Boot log: hp-11A-G6-EE-grunt

    1 21:34:07.285942  lava-dispatcher, installed at version: 2024.01
    2 21:34:07.286200  start: 0 validate
    3 21:34:07.286369  Start time: 2024-03-06 21:34:07.286360+00:00 (UTC)
    4 21:34:07.286531  Using caching service: 'http://localhost/cache/?uri=%s'
    5 21:34:07.286722  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 21:34:07.562542  Using caching service: 'http://localhost/cache/?uri=%s'
    7 21:34:07.563588  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 21:34:07.836156  Using caching service: 'http://localhost/cache/?uri=%s'
    9 21:34:07.837097  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 21:34:08.100845  Using caching service: 'http://localhost/cache/?uri=%s'
   11 21:34:08.101998  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 21:34:08.388037  validate duration: 1.10
   14 21:34:08.390042  start: 1 tftp-deploy (timeout 00:10:00) [common]
   15 21:34:08.390830  start: 1.1 download-retry (timeout 00:10:00) [common]
   16 21:34:08.391635  start: 1.1.1 http-download (timeout 00:10:00) [common]
   17 21:34:08.392561  Not decompressing ramdisk as can be used compressed.
   18 21:34:08.393269  downloading http://storage.kernelci.org/images/rootfs/debian/bullseye-kselftest/20240129.0/amd64/initrd.cpio.gz
   19 21:34:08.393829  saving as /var/lib/lava/dispatcher/tmp/12965436/tftp-deploy-1i93gzu9/ramdisk/initrd.cpio.gz
   20 21:34:08.394356  total size: 5431452 (5 MB)
   21 21:34:08.402275  progress   0 % (0 MB)
   22 21:34:08.409399  progress   5 % (0 MB)
   23 21:34:08.414105  progress  10 % (0 MB)
   24 21:34:08.417518  progress  15 % (0 MB)
   25 21:34:08.420853  progress  20 % (1 MB)
   26 21:34:08.423681  progress  25 % (1 MB)
   27 21:34:08.426126  progress  30 % (1 MB)
   28 21:34:08.428881  progress  35 % (1 MB)
   29 21:34:08.431041  progress  40 % (2 MB)
   30 21:34:08.433124  progress  45 % (2 MB)
   31 21:34:08.435085  progress  50 % (2 MB)
   32 21:34:08.437166  progress  55 % (2 MB)
   33 21:34:08.439089  progress  60 % (3 MB)
   34 21:34:08.440794  progress  65 % (3 MB)
   35 21:34:08.442906  progress  70 % (3 MB)
   36 21:34:08.444531  progress  75 % (3 MB)
   37 21:34:08.445985  progress  80 % (4 MB)
   38 21:34:08.447681  progress  85 % (4 MB)
   39 21:34:08.449421  progress  90 % (4 MB)
   40 21:34:08.451103  progress  95 % (4 MB)
   41 21:34:08.452680  progress 100 % (5 MB)
   42 21:34:08.452891  5 MB downloaded in 0.06 s (88.44 MB/s)
   43 21:34:08.453045  end: 1.1.1 http-download (duration 00:00:00) [common]
   45 21:34:08.453398  end: 1.1 download-retry (duration 00:00:00) [common]
   46 21:34:08.453552  start: 1.2 download-retry (timeout 00:10:00) [common]
   47 21:34:08.453667  start: 1.2.1 http-download (timeout 00:10:00) [common]
   48 21:34:08.453834  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 21:34:08.453932  saving as /var/lib/lava/dispatcher/tmp/12965436/tftp-deploy-1i93gzu9/kernel/bzImage
   50 21:34:08.454022  total size: 18058912 (17 MB)
   51 21:34:08.454111  No compression specified
   52 21:34:08.455983  progress   0 % (0 MB)
   53 21:34:08.460922  progress   5 % (0 MB)
   54 21:34:08.465748  progress  10 % (1 MB)
   55 21:34:08.470487  progress  15 % (2 MB)
   56 21:34:08.475644  progress  20 % (3 MB)
   57 21:34:08.480690  progress  25 % (4 MB)
   58 21:34:08.485961  progress  30 % (5 MB)
   59 21:34:08.490846  progress  35 % (6 MB)
   60 21:34:08.495895  progress  40 % (6 MB)
   61 21:34:08.501077  progress  45 % (7 MB)
   62 21:34:08.506141  progress  50 % (8 MB)
   63 21:34:08.511067  progress  55 % (9 MB)
   64 21:34:08.515790  progress  60 % (10 MB)
   65 21:34:08.520731  progress  65 % (11 MB)
   66 21:34:08.525437  progress  70 % (12 MB)
   67 21:34:08.530438  progress  75 % (12 MB)
   68 21:34:08.535101  progress  80 % (13 MB)
   69 21:34:08.539902  progress  85 % (14 MB)
   70 21:34:08.544862  progress  90 % (15 MB)
   71 21:34:08.549596  progress  95 % (16 MB)
   72 21:34:08.554478  progress 100 % (17 MB)
   73 21:34:08.554599  17 MB downloaded in 0.10 s (171.24 MB/s)
   74 21:34:08.554746  end: 1.2.1 http-download (duration 00:00:00) [common]
   76 21:34:08.554974  end: 1.2 download-retry (duration 00:00:00) [common]
   77 21:34:08.555065  start: 1.3 download-retry (timeout 00:10:00) [common]
   78 21:34:08.555148  start: 1.3.1 http-download (timeout 00:10:00) [common]
   79 21:34:08.555278  downloading http://storage.kernelci.org/images/rootfs/debian/bullseye-kselftest/20240129.0/amd64/full.rootfs.tar.xz
   80 21:34:08.555348  saving as /var/lib/lava/dispatcher/tmp/12965436/tftp-deploy-1i93gzu9/nfsrootfs/full.rootfs.tar
   81 21:34:08.555409  total size: 207179048 (197 MB)
   82 21:34:08.555470  Using unxz to decompress xz
   83 21:34:08.559645  progress   0 % (0 MB)
   84 21:34:09.115475  progress   5 % (9 MB)
   85 21:34:09.653224  progress  10 % (19 MB)
   86 21:34:10.264631  progress  15 % (29 MB)
   87 21:34:10.622562  progress  20 % (39 MB)
   88 21:34:10.981624  progress  25 % (49 MB)
   89 21:34:11.604307  progress  30 % (59 MB)
   90 21:34:12.167423  progress  35 % (69 MB)
   91 21:34:12.781040  progress  40 % (79 MB)
   92 21:34:13.340606  progress  45 % (88 MB)
   93 21:34:13.928219  progress  50 % (98 MB)
   94 21:34:14.560467  progress  55 % (108 MB)
   95 21:34:15.248893  progress  60 % (118 MB)
   96 21:34:15.387982  progress  65 % (128 MB)
   97 21:34:15.529632  progress  70 % (138 MB)
   98 21:34:15.623666  progress  75 % (148 MB)
   99 21:34:15.698836  progress  80 % (158 MB)
  100 21:34:15.770838  progress  85 % (167 MB)
  101 21:34:15.871038  progress  90 % (177 MB)
  102 21:34:16.149774  progress  95 % (187 MB)
  103 21:34:16.739856  progress 100 % (197 MB)
  104 21:34:16.745467  197 MB downloaded in 8.19 s (24.12 MB/s)
  105 21:34:16.745725  end: 1.3.1 http-download (duration 00:00:08) [common]
  107 21:34:16.746036  end: 1.3 download-retry (duration 00:00:08) [common]
  108 21:34:16.746124  start: 1.4 download-retry (timeout 00:09:52) [common]
  109 21:34:16.746215  start: 1.4.1 http-download (timeout 00:09:52) [common]
  110 21:34:16.746358  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 21:34:16.746434  saving as /var/lib/lava/dispatcher/tmp/12965436/tftp-deploy-1i93gzu9/modules/modules.tar
  112 21:34:16.746497  total size: 3317984 (3 MB)
  113 21:34:16.746561  Using unxz to decompress xz
  114 21:34:16.750841  progress   0 % (0 MB)
  115 21:34:16.757114  progress   5 % (0 MB)
  116 21:34:16.767590  progress  10 % (0 MB)
  117 21:34:16.777349  progress  15 % (0 MB)
  118 21:34:16.786900  progress  20 % (0 MB)
  119 21:34:16.797269  progress  25 % (0 MB)
  120 21:34:16.805817  progress  30 % (0 MB)
  121 21:34:16.813790  progress  35 % (1 MB)
  122 21:34:16.824093  progress  40 % (1 MB)
  123 21:34:16.836388  progress  45 % (1 MB)
  124 21:34:16.844470  progress  50 % (1 MB)
  125 21:34:16.855273  progress  55 % (1 MB)
  126 21:34:16.867760  progress  60 % (1 MB)
  127 21:34:16.877250  progress  65 % (2 MB)
  128 21:34:16.889020  progress  70 % (2 MB)
  129 21:34:16.899026  progress  75 % (2 MB)
  130 21:34:16.910659  progress  80 % (2 MB)
  131 21:34:16.920415  progress  85 % (2 MB)
  132 21:34:16.930360  progress  90 % (2 MB)
  133 21:34:16.940125  progress  95 % (3 MB)
  134 21:34:16.950042  progress 100 % (3 MB)
  135 21:34:16.954796  3 MB downloaded in 0.21 s (15.19 MB/s)
  136 21:34:16.955037  end: 1.4.1 http-download (duration 00:00:00) [common]
  138 21:34:16.955304  end: 1.4 download-retry (duration 00:00:00) [common]
  139 21:34:16.955397  start: 1.5 prepare-tftp-overlay (timeout 00:09:51) [common]
  140 21:34:16.955488  start: 1.5.1 extract-nfsrootfs (timeout 00:09:51) [common]
  141 21:34:20.451220  Extracted nfsroot to /var/lib/lava/dispatcher/tmp/12965436/extract-nfsrootfs-cpnzndgs
  142 21:34:20.451423  end: 1.5.1 extract-nfsrootfs (duration 00:00:03) [common]
  143 21:34:20.451525  start: 1.5.2 lava-overlay (timeout 00:09:48) [common]
  144 21:34:20.451690  [common] Preparing overlay tarball in /var/lib/lava/dispatcher/tmp/12965436/lava-overlay-u2dckq1c
  145 21:34:20.451863  makedir: /var/lib/lava/dispatcher/tmp/12965436/lava-overlay-u2dckq1c/lava-12965436/bin
  146 21:34:20.451966  makedir: /var/lib/lava/dispatcher/tmp/12965436/lava-overlay-u2dckq1c/lava-12965436/tests
  147 21:34:20.452064  makedir: /var/lib/lava/dispatcher/tmp/12965436/lava-overlay-u2dckq1c/lava-12965436/results
  148 21:34:20.452163  Creating /var/lib/lava/dispatcher/tmp/12965436/lava-overlay-u2dckq1c/lava-12965436/bin/lava-add-keys
  149 21:34:20.452308  Creating /var/lib/lava/dispatcher/tmp/12965436/lava-overlay-u2dckq1c/lava-12965436/bin/lava-add-sources
  150 21:34:20.452438  Creating /var/lib/lava/dispatcher/tmp/12965436/lava-overlay-u2dckq1c/lava-12965436/bin/lava-background-process-start
  151 21:34:20.452565  Creating /var/lib/lava/dispatcher/tmp/12965436/lava-overlay-u2dckq1c/lava-12965436/bin/lava-background-process-stop
  152 21:34:20.452693  Creating /var/lib/lava/dispatcher/tmp/12965436/lava-overlay-u2dckq1c/lava-12965436/bin/lava-common-functions
  153 21:34:20.452818  Creating /var/lib/lava/dispatcher/tmp/12965436/lava-overlay-u2dckq1c/lava-12965436/bin/lava-echo-ipv4
  154 21:34:20.452943  Creating /var/lib/lava/dispatcher/tmp/12965436/lava-overlay-u2dckq1c/lava-12965436/bin/lava-install-packages
  155 21:34:20.453081  Creating /var/lib/lava/dispatcher/tmp/12965436/lava-overlay-u2dckq1c/lava-12965436/bin/lava-installed-packages
  156 21:34:20.453208  Creating /var/lib/lava/dispatcher/tmp/12965436/lava-overlay-u2dckq1c/lava-12965436/bin/lava-os-build
  157 21:34:20.453334  Creating /var/lib/lava/dispatcher/tmp/12965436/lava-overlay-u2dckq1c/lava-12965436/bin/lava-probe-channel
  158 21:34:20.453458  Creating /var/lib/lava/dispatcher/tmp/12965436/lava-overlay-u2dckq1c/lava-12965436/bin/lava-probe-ip
  159 21:34:20.453668  Creating /var/lib/lava/dispatcher/tmp/12965436/lava-overlay-u2dckq1c/lava-12965436/bin/lava-target-ip
  160 21:34:20.453792  Creating /var/lib/lava/dispatcher/tmp/12965436/lava-overlay-u2dckq1c/lava-12965436/bin/lava-target-mac
  161 21:34:20.453915  Creating /var/lib/lava/dispatcher/tmp/12965436/lava-overlay-u2dckq1c/lava-12965436/bin/lava-target-storage
  162 21:34:20.454042  Creating /var/lib/lava/dispatcher/tmp/12965436/lava-overlay-u2dckq1c/lava-12965436/bin/lava-test-case
  163 21:34:20.454167  Creating /var/lib/lava/dispatcher/tmp/12965436/lava-overlay-u2dckq1c/lava-12965436/bin/lava-test-event
  164 21:34:20.454290  Creating /var/lib/lava/dispatcher/tmp/12965436/lava-overlay-u2dckq1c/lava-12965436/bin/lava-test-feedback
  165 21:34:20.454415  Creating /var/lib/lava/dispatcher/tmp/12965436/lava-overlay-u2dckq1c/lava-12965436/bin/lava-test-raise
  166 21:34:20.454563  Creating /var/lib/lava/dispatcher/tmp/12965436/lava-overlay-u2dckq1c/lava-12965436/bin/lava-test-reference
  167 21:34:20.454691  Creating /var/lib/lava/dispatcher/tmp/12965436/lava-overlay-u2dckq1c/lava-12965436/bin/lava-test-runner
  168 21:34:20.454818  Creating /var/lib/lava/dispatcher/tmp/12965436/lava-overlay-u2dckq1c/lava-12965436/bin/lava-test-set
  169 21:34:20.454945  Creating /var/lib/lava/dispatcher/tmp/12965436/lava-overlay-u2dckq1c/lava-12965436/bin/lava-test-shell
  170 21:34:20.455072  Updating /var/lib/lava/dispatcher/tmp/12965436/lava-overlay-u2dckq1c/lava-12965436/bin/lava-add-keys (debian)
  171 21:34:20.455234  Updating /var/lib/lava/dispatcher/tmp/12965436/lava-overlay-u2dckq1c/lava-12965436/bin/lava-add-sources (debian)
  172 21:34:20.455378  Updating /var/lib/lava/dispatcher/tmp/12965436/lava-overlay-u2dckq1c/lava-12965436/bin/lava-install-packages (debian)
  173 21:34:20.455516  Updating /var/lib/lava/dispatcher/tmp/12965436/lava-overlay-u2dckq1c/lava-12965436/bin/lava-installed-packages (debian)
  174 21:34:20.455708  Updating /var/lib/lava/dispatcher/tmp/12965436/lava-overlay-u2dckq1c/lava-12965436/bin/lava-os-build (debian)
  175 21:34:20.455831  Creating /var/lib/lava/dispatcher/tmp/12965436/lava-overlay-u2dckq1c/lava-12965436/environment
  176 21:34:20.455926  environment:
  177 21:34:20.455998  - battery_disconnected=1
  178 21:34:20.456061  LAVA metadata
  179 21:34:20.456119  - LAVA_JOB_ID=12965436
  180 21:34:20.456177  - LAVA_DISPATCHER_IP=192.168.201.1
  181 21:34:20.456274  start: 1.5.2.1 lava-vland-overlay (timeout 00:09:48) [common]
  182 21:34:20.456337  skipped lava-vland-overlay
  183 21:34:20.456409  end: 1.5.2.1 lava-vland-overlay (duration 00:00:00) [common]
  184 21:34:20.456499  start: 1.5.2.2 lava-multinode-overlay (timeout 00:09:48) [common]
  185 21:34:20.456558  skipped lava-multinode-overlay
  186 21:34:20.456630  end: 1.5.2.2 lava-multinode-overlay (duration 00:00:00) [common]
  187 21:34:20.456705  start: 1.5.2.3 test-definition (timeout 00:09:48) [common]
  188 21:34:20.456776  Loading test definitions
  189 21:34:20.456861  start: 1.5.2.3.1 inline-repo-action (timeout 00:09:48) [common]
  190 21:34:20.456928  Using /lava-12965436 at stage 0
  191 21:34:20.457201  uuid=12965436_1.5.2.3.1 testdef=None
  192 21:34:20.457286  end: 1.5.2.3.1 inline-repo-action (duration 00:00:00) [common]
  193 21:34:20.457367  start: 1.5.2.3.2 test-overlay (timeout 00:09:48) [common]
  194 21:34:20.458133  end: 1.5.2.3.2 test-overlay (duration 00:00:00) [common]
  196 21:34:20.458352  start: 1.5.2.3.3 test-install-overlay (timeout 00:09:48) [common]
  197 21:34:20.458900  end: 1.5.2.3.3 test-install-overlay (duration 00:00:00) [common]
  199 21:34:20.459124  start: 1.5.2.3.4 test-runscript-overlay (timeout 00:09:48) [common]
  200 21:34:20.459666  runner path: /var/lib/lava/dispatcher/tmp/12965436/lava-overlay-u2dckq1c/lava-12965436/0/tests/0_timesync-off test_uuid 12965436_1.5.2.3.1
  201 21:34:20.459822  end: 1.5.2.3.4 test-runscript-overlay (duration 00:00:00) [common]
  203 21:34:20.460040  start: 1.5.2.3.5 git-repo-action (timeout 00:09:48) [common]
  204 21:34:20.460110  Using /lava-12965436 at stage 0
  205 21:34:20.460207  Fetching tests from https://github.com/kernelci/test-definitions.git
  206 21:34:20.460292  Running '/usr/bin/git clone https://github.com/kernelci/test-definitions.git /var/lib/lava/dispatcher/tmp/12965436/lava-overlay-u2dckq1c/lava-12965436/0/tests/1_kselftest-lkdtm'
  207 21:34:23.984120  Running '/usr/bin/git checkout kernelci.org
  208 21:34:24.133777  Tests stored (tmp) in /var/lib/lava/dispatcher/tmp/12965436/lava-overlay-u2dckq1c/lava-12965436/0/tests/1_kselftest-lkdtm/automated/linux/kselftest/kselftest.yaml
  209 21:34:24.134703  uuid=12965436_1.5.2.3.5 testdef=None
  210 21:34:24.134892  end: 1.5.2.3.5 git-repo-action (duration 00:00:04) [common]
  212 21:34:24.135260  start: 1.5.2.3.6 test-overlay (timeout 00:09:44) [common]
  213 21:34:24.136487  end: 1.5.2.3.6 test-overlay (duration 00:00:00) [common]
  215 21:34:24.136853  start: 1.5.2.3.7 test-install-overlay (timeout 00:09:44) [common]
  216 21:34:24.138163  end: 1.5.2.3.7 test-install-overlay (duration 00:00:00) [common]
  218 21:34:24.138409  start: 1.5.2.3.8 test-runscript-overlay (timeout 00:09:44) [common]
  219 21:34:24.139732  runner path: /var/lib/lava/dispatcher/tmp/12965436/lava-overlay-u2dckq1c/lava-12965436/0/tests/1_kselftest-lkdtm test_uuid 12965436_1.5.2.3.5
  220 21:34:24.139861  BOARD='hp-11A-G6-EE-grunt'
  221 21:34:24.139954  BRANCH='cip-gitlab'
  222 21:34:24.140045  SKIPFILE='/dev/null'
  223 21:34:24.140135  SKIP_INSTALL='True'
  224 21:34:24.140221  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'
  225 21:34:24.140317  TST_CASENAME=''
  226 21:34:24.140406  TST_CMDFILES='lkdtm'
  227 21:34:24.140585  end: 1.5.2.3.8 test-runscript-overlay (duration 00:00:00) [common]
  229 21:34:24.140792  Creating lava-test-runner.conf files
  230 21:34:24.140863  Using lava-test-runner path: /var/lib/lava/dispatcher/tmp/12965436/lava-overlay-u2dckq1c/lava-12965436/0 for stage 0
  231 21:34:24.140958  - 0_timesync-off
  232 21:34:24.141029  - 1_kselftest-lkdtm
  233 21:34:24.141136  end: 1.5.2.3 test-definition (duration 00:00:04) [common]
  234 21:34:24.141254  start: 1.5.2.4 compress-overlay (timeout 00:09:44) [common]
  235 21:34:31.672279  end: 1.5.2.4 compress-overlay (duration 00:00:08) [common]
  236 21:34:31.672437  start: 1.5.2.5 persistent-nfs-overlay (timeout 00:09:37) [common]
  237 21:34:31.672536  end: 1.5.2.5 persistent-nfs-overlay (duration 00:00:00) [common]
  238 21:34:31.672634  end: 1.5.2 lava-overlay (duration 00:00:11) [common]
  239 21:34:31.672723  start: 1.5.3 extract-overlay-ramdisk (timeout 00:09:37) [common]
  240 21:34:31.811452  end: 1.5.3 extract-overlay-ramdisk (duration 00:00:00) [common]
  241 21:34:31.811858  start: 1.5.4 extract-modules (timeout 00:09:37) [common]
  242 21:34:31.811976  extracting modules file /var/lib/lava/dispatcher/tmp/12965436/tftp-deploy-1i93gzu9/modules/modules.tar to /var/lib/lava/dispatcher/tmp/12965436/extract-nfsrootfs-cpnzndgs
  243 21:34:31.902448  extracting modules file /var/lib/lava/dispatcher/tmp/12965436/tftp-deploy-1i93gzu9/modules/modules.tar to /var/lib/lava/dispatcher/tmp/12965436/extract-overlay-ramdisk-7jutnn8g/ramdisk
  244 21:34:31.991336  end: 1.5.4 extract-modules (duration 00:00:00) [common]
  245 21:34:31.991509  start: 1.5.5 apply-overlay-tftp (timeout 00:09:36) [common]
  246 21:34:31.991609  [common] Applying overlay to NFS
  247 21:34:31.991678  [common] Applying overlay /var/lib/lava/dispatcher/tmp/12965436/compress-overlay-22x2vxs6/overlay-1.5.2.4.tar.gz to directory /var/lib/lava/dispatcher/tmp/12965436/extract-nfsrootfs-cpnzndgs
  248 21:34:32.914931  end: 1.5.5 apply-overlay-tftp (duration 00:00:01) [common]
  249 21:34:32.915106  start: 1.5.6 configure-preseed-file (timeout 00:09:35) [common]
  250 21:34:32.915203  end: 1.5.6 configure-preseed-file (duration 00:00:00) [common]
  251 21:34:32.915291  start: 1.5.7 compress-ramdisk (timeout 00:09:35) [common]
  252 21:34:32.915369  Building ramdisk /var/lib/lava/dispatcher/tmp/12965436/extract-overlay-ramdisk-7jutnn8g/ramdisk.cpio containing /var/lib/lava/dispatcher/tmp/12965436/extract-overlay-ramdisk-7jutnn8g/ramdisk
  253 21:34:33.110039  >> 67790 blocks

  254 21:34:34.240476  rename /var/lib/lava/dispatcher/tmp/12965436/extract-overlay-ramdisk-7jutnn8g/ramdisk.cpio.gz to /var/lib/lava/dispatcher/tmp/12965436/tftp-deploy-1i93gzu9/ramdisk/ramdisk.cpio.gz
  255 21:34:34.240945  end: 1.5.7 compress-ramdisk (duration 00:00:01) [common]
  256 21:34:34.241069  start: 1.5.8 prepare-kernel (timeout 00:09:34) [common]
  257 21:34:34.241174  start: 1.5.8.1 prepare-fit (timeout 00:09:34) [common]
  258 21:34:34.241271  No mkimage arch provided, not using FIT.
  259 21:34:34.241368  end: 1.5.8.1 prepare-fit (duration 00:00:00) [common]
  260 21:34:34.241452  end: 1.5.8 prepare-kernel (duration 00:00:00) [common]
  261 21:34:34.241611  end: 1.5 prepare-tftp-overlay (duration 00:00:17) [common]
  262 21:34:34.241705  start: 1.6 lxc-create-udev-rule-action (timeout 00:09:34) [common]
  263 21:34:34.241788  No LXC device requested
  264 21:34:34.241873  end: 1.6 lxc-create-udev-rule-action (duration 00:00:00) [common]
  265 21:34:34.241961  start: 1.7 deploy-device-env (timeout 00:09:34) [common]
  266 21:34:34.242041  end: 1.7 deploy-device-env (duration 00:00:00) [common]
  267 21:34:34.242111  Checking files for TFTP limit of 4294967296 bytes.
  268 21:34:34.242521  end: 1 tftp-deploy (duration 00:00:26) [common]
  269 21:34:34.242625  start: 2 depthcharge-action (timeout 00:05:00) [common]
  270 21:34:34.242716  start: 2.1 depthcharge-overlay (timeout 00:05:00) [common]
  271 21:34:34.242846  substitutions:
  272 21:34:34.242913  - {DTB}: None
  273 21:34:34.242976  - {INITRD}: 12965436/tftp-deploy-1i93gzu9/ramdisk/ramdisk.cpio.gz
  274 21:34:34.243036  - {KERNEL}: 12965436/tftp-deploy-1i93gzu9/kernel/bzImage
  275 21:34:34.243095  - {LAVA_MAC}: None
  276 21:34:34.243152  - {NFSROOTFS}: /var/lib/lava/dispatcher/tmp/12965436/extract-nfsrootfs-cpnzndgs
  277 21:34:34.243210  - {NFS_SERVER_IP}: 192.168.201.1
  278 21:34:34.243265  - {PRESEED_CONFIG}: None
  279 21:34:34.243320  - {PRESEED_LOCAL}: None
  280 21:34:34.243375  - {RAMDISK}: 12965436/tftp-deploy-1i93gzu9/ramdisk/ramdisk.cpio.gz
  281 21:34:34.243429  - {ROOT_PART}: None
  282 21:34:34.243482  - {ROOT}: None
  283 21:34:34.243535  - {SERVER_IP}: 192.168.201.1
  284 21:34:34.243589  - {TEE}: None
  285 21:34:34.243642  Parsed boot commands:
  286 21:34:34.243695  - tftpboot 192.168.201.1 {DEPTHCHARGE_KERNEL} {CMDLINE} {DEPTHCHARGE_RAMDISK}
  287 21:34:34.243908  Parsed boot commands: tftpboot 192.168.201.1 12965436/tftp-deploy-1i93gzu9/kernel/bzImage 12965436/tftp-deploy-1i93gzu9/kernel/cmdline 12965436/tftp-deploy-1i93gzu9/ramdisk/ramdisk.cpio.gz
  288 21:34:34.244064  end: 2.1 depthcharge-overlay (duration 00:00:00) [common]
  289 21:34:34.244167  start: 2.2 depthcharge-retry (timeout 00:05:00) [common]
  290 21:34:34.244258  start: 2.2.1 reset-connection (timeout 00:05:00) [common]
  291 21:34:34.244345  start: 2.2.1.1 disconnect-device (timeout 00:05:00) [common]
  292 21:34:34.244416  Not connected, no need to disconnect.
  293 21:34:34.244491  end: 2.2.1.1 disconnect-device (duration 00:00:00) [common]
  294 21:34:34.244576  start: 2.2.1.2 connect-device (timeout 00:05:00) [common]
  295 21:34:34.244647  [common] connect-device Connecting to device using '/usr/local/bin/chromebook-console.sh hp-11A-G6-EE-grunt-cbg-8'
  296 21:34:34.248804  Setting prompt string to ['lava-test: # ']
  297 21:34:34.249174  end: 2.2.1.2 connect-device (duration 00:00:00) [common]
  298 21:34:34.249281  end: 2.2.1 reset-connection (duration 00:00:00) [common]
  299 21:34:34.249382  start: 2.2.2 reset-device (timeout 00:05:00) [common]
  300 21:34:34.249481  start: 2.2.2.1 pdu-reboot (timeout 00:05:00) [common]
  301 21:34:34.249751  Calling: 'pduclient' '--daemon=localhost' '--hostname=hp-11A-G6-EE-grunt-cbg-8' '--port=1' '--command=reboot'
  302 21:34:39.372841  >> Command sent successfully.

  303 21:34:39.375432  Returned 0 in 5 seconds
  304 21:34:39.475930  end: 2.2.2.1 pdu-reboot (duration 00:00:05) [common]
  306 21:34:39.476516  end: 2.2.2 reset-device (duration 00:00:05) [common]
  307 21:34:39.476700  start: 2.2.3 depthcharge-start (timeout 00:04:55) [common]
  308 21:34:39.476854  Setting prompt string to 'Starting depthcharge on grunt...'
  309 21:34:39.476985  Changing prompt to 'Starting depthcharge on grunt...'
  310 21:34:39.477127  depthcharge-start: Wait for prompt Starting depthcharge on grunt... (timeout 00:05:00)
  311 21:34:39.477637  [Enter `^Ec?' for help]

  312 21:34:39.874451  

  313 21:34:39.874707  

  314 21:34:39.875038  coreboot-56f9d1cd49 Thu Sep  5 21:57:06 UTC 2019 bootblock starting...

  315 21:34:39.875172  Family_Model: 00670f00

  316 21:34:39.875303  PMxC0 STATUS: 0x80800 DoReset BIT11 

  317 21:34:39.878114  DW I2C bus 1 at 0xfedc3000 (400 KHz)

  318 21:34:39.880391  VBOOT: Loading verstage.

  319 21:34:39.886065  CBFS: 'Master Header Locator' located CBFS at [df0000:ffffc0)

  320 21:34:39.889109  CBFS: Locating 'fallback/verstage'

  321 21:34:39.892618  CBFS: Found @ offset aa8c0 size d5a4

  322 21:34:39.907501  

  323 21:34:39.907643  

  324 21:34:39.913402  coreboot-56f9d1cd49 Thu Sep  5 21:57:06 UTC 2019 verstage starting...

  325 21:34:39.917997  Probing TPM I2C: done! DID_VID 0x00281ae0

  326 21:34:39.920216  TPM ready after 0 ms

  327 21:34:39.923634  cr50 TPM 2.0 (i2c 1:0x50 id 0x28)

  328 21:34:39.946915  TPM: setup succeeded

  329 21:34:39.965034  src/security/tpm/tss/tcg-2.0/tss.c:177 index 0x1007 return code 0

  330 21:34:39.968571  Chrome EC: UHEPI supported

  331 21:34:39.969540  Phase 1

  332 21:34:39.974837  FMAP: Found "FLASH" version 1.1 at d7f000.

  333 21:34:39.978478  FMAP: base = ff000000 size = 1000000 #areas = 30

  334 21:34:39.981727  FMAP: area GBB found @ d80000 (458752 bytes)

  335 21:34:39.989254  VB2:vb2_check_recovery() Recovery reason from previous boot: 0x0 / 0x0

  336 21:34:39.989346  Phase 2

  337 21:34:39.990008  Phase 3

  338 21:34:39.994112  FMAP: area GBB found @ d80000 (458752 bytes)

  339 21:34:40.002336  VB2:vb2_report_dev_firmware() This is developer signed firmware

  340 21:34:40.004788  FMAP: area VBLOCK_B found @ 23f000 (65536 bytes)

  341 21:34:40.009367  FMAP: area VBLOCK_B found @ 23f000 (65536 bytes)

  342 21:34:40.014718  VB2:vb2_verify_keyblock() Checking key block signature...

  343 21:34:40.041765  FMAP: area VBLOCK_B found @ 23f000 (65536 bytes)

  344 21:34:40.045573  FMAP: area VBLOCK_B found @ 23f000 (65536 bytes)

  345 21:34:40.049911  VB2:vb2_verify_fw_preamble() Verifying preamble.

  346 21:34:40.056420  Phase 4

  347 21:34:40.060962  FMAP: area FW_MAIN_B found @ 24f000 (2154432 bytes)

  348 21:34:40.067594  VB2:vb2api_init_hash() HW crypto for hash_alg 2 not supported, using SW

  349 21:34:40.186774  VB2:vb2_rsa_verify_digest() Digest check failed!

  350 21:34:40.191001  VB2:vb2_fail() Need recovery, reason: 0x1b / 0x7

  351 21:34:40.191105  Saving nvdata

  352 21:34:40.194793  Reboot requested (10020007)

  353 21:34:40.195430  board_reset() called!

  354 21:34:40.311391  

  355 21:34:40.311559  

  356 21:34:40.330129  coreboot-56f9d1cd49 Thu Sep  5 21:57:06 UTC 2019 bootblock starting...

  357 21:34:40.330289  Family_Model: 00670f00

  358 21:34:40.331200  PMxC0 STATUS: 0x80800 DoReset BIT11 

  359 21:34:40.331298  DW I2C bus 1 at 0xfedc3000 (400 KHz)

  360 21:34:40.331962  VBOOT: Loading verstage.

  361 21:34:40.332338  CBFS: 'Master Header Locator' located CBFS at [df0000:ffffc0)

  362 21:34:40.332421  CBFS: Locating 'fallback/verstage'

  363 21:34:40.332664  CBFS: Found @ offset aa8c0 size d5a4

  364 21:34:40.352908  

  365 21:34:40.353067  

  366 21:34:40.353406  coreboot-56f9d1cd49 Thu Sep  5 21:57:06 UTC 2019 verstage starting...

  367 21:34:40.471827  Probing TPM I2C: .done! DID_VID 0x00281ae0

  368 21:34:40.471992  TPM ready after 0 ms

  369 21:34:40.472567  cr50 TPM 2.0 (i2c 1:0x50 id 0x28)

  370 21:34:40.494719  TPM: setup succeeded

  371 21:34:40.513542  src/security/tpm/tss/tcg-2.0/tss.c:177 index 0x1007 return code 0

  372 21:34:40.515656  Chrome EC: UHEPI supported

  373 21:34:40.516661  Phase 1

  374 21:34:40.522963  FMAP: Found "FLASH" version 1.1 at d7f000.

  375 21:34:40.525718  FMAP: base = ff000000 size = 1000000 #areas = 30

  376 21:34:40.529453  FMAP: area GBB found @ d80000 (458752 bytes)

  377 21:34:40.536144  VB2:vb2_check_recovery() Recovery reason from previous boot: 0x1b / 0x7

  378 21:34:40.541736  VB2:vb2_check_recovery() We have a recovery request: 0x1b / 0x0

  379 21:34:40.545466  Recovery requested (1009000e)

  380 21:34:40.546280  Saving nvdata

  381 21:34:40.561160  tlcl_extend: response is 0

  382 21:34:40.576799  tlcl_extend: response is 0

  383 21:34:40.582404  CBFS: 'Master Header Locator' located CBFS at [df0000:ffffc0)

  384 21:34:40.588293  CBFS: Locating 'fallback/romstage'

  385 21:34:40.588849  CBFS: Found @ offset 80 size d2e4

  386 21:34:40.589614  

  387 21:34:40.590047  

  388 21:34:40.595244  coreboot-56f9d1cd49 Thu Sep  5 21:57:06 UTC 2019 romstage starting...

  389 21:34:40.601011  CBFS: 'Master Header Locator' located CBFS at [df0000:ffffc0)

  390 21:34:40.603531  CBFS: Locating 'smu_fw'

  391 21:34:40.607695  CBFS: Found @ offset 7bc00 size 12262

  392 21:34:40.631290  PSP: Load blob type 19 from @ffe6bc38... OK

  393 21:34:40.637231  Google Chrome set keyboard backlight: 4 status (0)

  394 21:34:40.638763  POST: 0x37

  395 21:34:40.640907  agesawrapper_amdinitreset() entry

  396 21:34:40.646245  CBFS: 'Master Header Locator' located CBFS at [df0000:ffffc0)

  397 21:34:40.649254  CBFS: Locating 'AGESA_PRE_MEM'

  398 21:34:40.652460  CBFS: Found @ offset df80 size 53bcc

  399 21:34:40.661608  agesawrapper_amdinitreset() returned AGESA_SUCCESS

  400 21:34:40.665102  POST: 0x38

  401 21:34:40.666021  agesawrapper_amdinitearly() entry

  402 21:34:40.680951  Warning - AGESA callout: platform_PcieSlotResetControl not supported

  403 21:34:40.687294  Warning - AGESA callout: platform_PcieSlotResetControl not supported

  404 21:34:40.708378  agesawrapper_amdinitearly() returned AGESA_SUCCESS

  405 21:34:40.709721  POST: 0x40

  406 21:34:40.711951  agesawrapper_amdinitpost() entry

  407 21:34:40.714745  DRAM clear on reset: Keep

  408 21:34:40.719010  variant_mainboard_read_spd SPD index 9

  409 21:34:40.724921  CBFS: 'Master Header Locator' located CBFS at [df0000:ffffc0)

  410 21:34:40.727110  CBFS: Locating 'spd.bin'

  411 21:34:40.730443  CBFS: Found @ offset 79bc0 size 2000

  412 21:34:40.990734  AGESA set: umamode UMA_SPECIFIED

  413 21:34:40.996120           : syslimit 0x12effffff, bottomio 0x00d00000

  414 21:34:41.000078           : uma size 16MB, uma start 0xcf000000

  415 21:34:41.005092  agesawrapper_amdinitpost() returned AGESA_SUCCESS

  416 21:34:41.006302  POST: 0x41

  417 21:34:41.010224  Boot Count incremented to 22245

  418 21:34:41.011018  POST: 0x42

  419 21:34:41.015421  PSP: Notify that DRAM is available... OK

  420 21:34:41.016190  POST: 0x43

  421 21:34:41.017010  CBMEM:

  422 21:34:41.020052  IMD: root @ cdfff000 254 entries.

  423 21:34:41.022893  IMD: root @ cdffec00 62 entries.

  424 21:34:41.026624  External stage cache:

  425 21:34:41.029107  IMD: root @ cefff000 254 entries.

  426 21:34:41.031966  IMD: root @ ceffec00 62 entries.

  427 21:34:41.035201  creating vboot_handoff structure

  428 21:34:41.038410  Chrome EC: UHEPI supported

  429 21:34:41.043426  Chrome EC: clear events_b mask to 0x0000000021004000

  430 21:34:41.046083  POST: 0x44

  431 21:34:41.050695  MTRR Range: Start=cd000000 End=ce000000 (Size 1000000)

  432 21:34:41.055361  MTRR Range: Start=ff000000 End=0 (Size 1000000)

  433 21:34:41.060904  MTRR Range: Start=ce800000 End=cf000000 (Size 800000)

  434 21:34:41.061268  POST: 0x45

  435 21:34:41.066660  CBFS: 'Master Header Locator' located CBFS at [df0000:ffffc0)

  436 21:34:41.069793  CBFS: Locating 'fallback/postcar'

  437 21:34:41.073278  CBFS: Found @ offset a2a80 size 41f4

  438 21:34:41.079214  Decompressing stage fallback/postcar @ 0xcdfa1fc0 (33488 bytes)

  439 21:34:41.088781  Loading module at cdfa2000 with entry cdfa2000. filesize: 0x3fd0 memsize: 0x8290

  440 21:34:41.093397  Processing 114 relocs. Offset value of 0xcbfa2000

  441 21:34:41.096338  

  442 21:34:41.096424  

  443 21:34:41.102601  coreboot-56f9d1cd49 Thu Sep  5 21:57:06 UTC 2019 postcar starting...

  444 21:34:41.108386  CBFS: 'Master Header Locator' located CBFS at [df0000:ffffc0)

  445 21:34:41.112210  CBFS: Locating 'fallback/ramstage'

  446 21:34:41.114715  CBFS: Found @ offset 61bc0 size 17f95

  447 21:34:41.120601  Decompressing stage fallback/ramstage @ 0xcde9efc0 (1055256 bytes)

  448 21:34:41.158236  Loading module at cde9f000 with entry cde9f000. filesize: 0x37198 memsize: 0x1019d8

  449 21:34:41.161275  Processing 3480 relocs. Offset value of 0xcdd9f000

  450 21:34:41.163935  

  451 21:34:41.164182  

  452 21:34:41.168795  coreboot-56f9d1cd49 Thu Sep  5 21:57:06 UTC 2019 ramstage starting...

  453 21:34:41.171324  POST: 0x39

  454 21:34:41.172959  FMAP: Found "FLASH" version 1.1 at d7f000.

  455 21:34:41.177351  FMAP: base = ff000000 size = 1000000 #areas = 30

  456 21:34:41.181398  FMAP: area RO_VPD found @ c00000 (16384 bytes)

  457 21:34:41.186904  WARNING: RO_VPD is uninitialized or empty.

  458 21:34:41.189595  FMAP: area RW_VPD found @ 465000 (8192 bytes)

  459 21:34:41.193653  FMAP: area RW_VPD found @ 465000 (8192 bytes)

  460 21:34:41.245200  POST: 0x80

  461 21:34:41.247486  Normal boot.

  462 21:34:41.247603  POST: 0x46

  463 21:34:41.252239  CBFS: 'Master Header Locator' located CBFS at [df0000:ffffc0)

  464 21:34:41.254201  CBFS: Locating 'smu_fw2'

  465 21:34:41.258046  CBFS: Found @ offset 8dec0 size 4cf2

  466 21:34:41.268038  PSP: Load blob type 1a from @ffe7def8... OK

  467 21:34:41.270159  POST: 0x47

  468 21:34:41.272544  agesawrapper_amdinitenv() entry

  469 21:34:41.277507  CBFS: 'Master Header Locator' located CBFS at [df0000:ffffc0)

  470 21:34:41.280156  CBFS: Locating 'AGESA_POST_MEM'

  471 21:34:41.283739  CBFS: Found @ offset b7f00 size 135b2

  472 21:34:41.289159  Decompressing stage AGESA_POST_MEM @ 0xcde6cfc0 (198492 bytes)

  473 21:34:41.320012  Loading module at cde6d000 with entry cde6d000. filesize: 0x2f340 memsize: 0x2f480

  474 21:34:41.324335  Processing 1271 relocs. Offset value of 0xce06d000

  475 21:34:41.327063  AGESA: Saving stage to cache

  476 21:34:41.331329  Fch OEM config in INIT ENV Done

  477 21:34:41.370892  agesawrapper_amdinitenv() returned AGESA_SUCCESS

  478 21:34:41.370990  POST: 0x70

  479 21:34:41.376938  BS: BS_PRE_DEVICE times (us): entry 124225 run 1059 exit 1

  480 21:34:41.377017  POST: 0x71

  481 21:34:41.378558  Board ID: 6

  482 21:34:41.380497  mainboard: EC init

  483 21:34:41.384007  Chrome EC: Set SMI mask to 0x0000000000000000

  484 21:34:41.386744  Chrome EC: UHEPI supported

  485 21:34:41.392203  Chrome EC: Set S5 LAZY WAKE mask to 0x0000000000000006

  486 21:34:41.397173  Chrome EC: Set S3 LAZY WAKE mask to 0x0000000010001006

  487 21:34:41.401752  Chrome EC: Set WAKE mask to 0x0000000000000000

  488 21:34:41.405795  DW I2C bus 0 at 0xfedc2000 (400 KHz)

  489 21:34:41.410277  DW I2C bus 2 at 0xfedc4000 (400 KHz)

  490 21:34:41.413138  DW I2C bus 3 at 0xfedc5000 (400 KHz)

  491 21:34:41.418299  FMAP: area RW_ELOG found @ 45d000 (16384 bytes)

  492 21:34:41.418384  Manufacturer: ef

  493 21:34:41.423749  SF: Detected W25Q128FW with sector size 0x1000, total 0x1000000

  494 21:34:41.426830  ELOG: NV offset 0x45d000 size 0x4000

  495 21:34:41.437275  ELOG: area is 4096 bytes, full threshold 3842, shrink size 1024

  496 21:34:41.442171  ELOG: Event(17) added with size 13 at 2024-03-06 21:34:40 UTC

  497 21:34:41.446741  POST: Unexpected post code in previous boot: 0x90

  498 21:34:41.452232  ELOG: Event(A3) added with size 11 at 2024-03-06 21:34:41 UTC

  499 21:34:41.457741  ELOG: Event(9F) added with size 14 at 2024-03-06 21:34:41 UTC

  500 21:34:41.460506  PM1_STS: PWRBTN BMSTATUS 

  501 21:34:41.468046  setup_bsp_ramtop, TOP MEM: msr.lo = 0xd0000000, msr.hi = 0x00000000

  502 21:34:41.472622  setup_bsp_ramtop, TOP MEM2: msr.lo = 0x2f000000, msr.hi = 0x00000001

  503 21:34:41.478019  BS: BS_DEV_INIT_CHIPS times (us): entry 0 run 96232 exit 1

  504 21:34:41.479623  POST: 0x72

  505 21:34:41.480753  Enumerating buses...

  506 21:34:41.485790  Show all devs... Before device enumeration.

  507 21:34:41.486934  Root Device: enabled 1

  508 21:34:41.489682  CPU_CLUSTER: 0: enabled 1

  509 21:34:41.492731  DOMAIN: 0000: enabled 1

  510 21:34:41.493907  MMIO: fedc2000: enabled 1

  511 21:34:41.498246  MMIO: fedc3000: enabled 1

  512 21:34:41.498573  MMIO: fedc4000: enabled 1

  513 21:34:41.500907  MMIO: fedc5000: enabled 1

  514 21:34:41.502454  APIC: 10: enabled 1

  515 21:34:41.506635  PCI: 00:00.0: enabled 1

  516 21:34:41.506712  PCI: 00:00.2: enabled 0

  517 21:34:41.509149  PCI: 00:01.0: enabled 1

  518 21:34:41.511688  PCI: 00:01.1: enabled 1

  519 21:34:41.514054  PCI: 00:02.0: enabled 1

  520 21:34:41.516132  PCI: 00:02.1: enabled 1

  521 21:34:41.517455  PCI: 00:02.2: enabled 1

  522 21:34:41.519962  PCI: 00:02.3: enabled 1

  523 21:34:41.522739  PCI: 00:02.4: enabled 1

  524 21:34:41.525853  PCI: 00:02.5: enabled 1

  525 21:34:41.526563  PCI: 00:08.0: enabled 1

  526 21:34:41.529130  PCI: 00:09.0: enabled 1

  527 21:34:41.530889  PCI: 00:09.2: enabled 1

  528 21:34:41.532980  PCI: 00:10.0: enabled 1

  529 21:34:41.535591  PCI: 00:11.0: enabled 0

  530 21:34:41.537674  PCI: 00:12.0: enabled 1

  531 21:34:41.539663  PCI: 00:14.0: enabled 1

  532 21:34:41.542460  PCI: 00:14.3: enabled 1

  533 21:34:41.543736  PCI: 00:14.7: enabled 1

  534 21:34:41.547292  PCI: 00:18.0: enabled 1

  535 21:34:41.550101  PCI: 00:18.1: enabled 1

  536 21:34:41.550432  PCI: 00:18.2: enabled 1

  537 21:34:41.552947  PCI: 00:18.3: enabled 1

  538 21:34:41.556831  PCI: 00:18.4: enabled 1

  539 21:34:41.557486  PCI: 00:18.5: enabled 1

  540 21:34:41.558919  GENERIC: 0.0: enabled 1

  541 21:34:41.562986  I2C: 00:1a: enabled 1

  542 21:34:41.563352  GENERIC: 0.1: enabled 1

  543 21:34:41.565349  I2C: 00:50: enabled 1

  544 21:34:41.567257  I2C: 00:15: enabled 1

  545 21:34:41.569173  I2C: 00:39: enabled 1

  546 21:34:41.571112  I2C: 00:10: enabled 1

  547 21:34:41.573402  PCI: 00:00.0: enabled 1

  548 21:34:41.575756  PNP: 0c09.0: enabled 1

  549 21:34:41.578014  Compare with tree...

  550 21:34:41.580061  Root Device: enabled 1

  551 21:34:41.582287   CPU_CLUSTER: 0: enabled 1

  552 21:34:41.584143    APIC: 10: enabled 1

  553 21:34:41.586581   DOMAIN: 0000: enabled 1

  554 21:34:41.588531    PCI: 00:00.0: enabled 1

  555 21:34:41.590812    PCI: 00:00.2: enabled 0

  556 21:34:41.593572    PCI: 00:01.0: enabled 1

  557 21:34:41.595993    PCI: 00:01.1: enabled 1

  558 21:34:41.597998    PCI: 00:02.0: enabled 1

  559 21:34:41.601403    PCI: 00:02.1: enabled 1

  560 21:34:41.603732    PCI: 00:02.2: enabled 1

  561 21:34:41.605675    PCI: 00:02.3: enabled 1

  562 21:34:41.608027    PCI: 00:02.4: enabled 1

  563 21:34:41.610030     PCI: 00:00.0: enabled 1

  564 21:34:41.612400    PCI: 00:02.5: enabled 1

  565 21:34:41.615073    PCI: 00:08.0: enabled 1

  566 21:34:41.617320    PCI: 00:09.0: enabled 1

  567 21:34:41.620742    PCI: 00:09.2: enabled 1

  568 21:34:41.621460    PCI: 00:10.0: enabled 1

  569 21:34:41.624449    PCI: 00:11.0: enabled 0

  570 21:34:41.626525    PCI: 00:12.0: enabled 1

  571 21:34:41.629086    PCI: 00:14.0: enabled 1

  572 21:34:41.631456    PCI: 00:14.3: enabled 1

  573 21:34:41.633713     PNP: 0c09.0: enabled 1

  574 21:34:41.636747    PCI: 00:14.7: enabled 1

  575 21:34:41.638117    PCI: 00:18.0: enabled 1

  576 21:34:41.640616    PCI: 00:18.1: enabled 1

  577 21:34:41.643186    PCI: 00:18.2: enabled 1

  578 21:34:41.645202    PCI: 00:18.3: enabled 1

  579 21:34:41.647467    PCI: 00:18.4: enabled 1

  580 21:34:41.650199    PCI: 00:18.5: enabled 1

  581 21:34:41.652923   MMIO: fedc2000: enabled 1

  582 21:34:41.654908    GENERIC: 0.0: enabled 1

  583 21:34:41.657101    I2C: 00:1a: enabled 1

  584 21:34:41.659598    GENERIC: 0.1: enabled 1

  585 21:34:41.661932   MMIO: fedc3000: enabled 1

  586 21:34:41.663723    I2C: 00:50: enabled 1

  587 21:34:41.666258   MMIO: fedc4000: enabled 1

  588 21:34:41.669503    I2C: 00:15: enabled 1

  589 21:34:41.671614   MMIO: fedc5000: enabled 1

  590 21:34:41.673405    I2C: 00:39: enabled 1

  591 21:34:41.675796    I2C: 00:10: enabled 1

  592 21:34:41.677810  Mainboard Grunt Enable.

  593 21:34:41.680237  Root Device scanning...

  594 21:34:41.683164  root_dev_scan_bus for Root Device

  595 21:34:41.685506  CPU_CLUSTER: 0 enabled

  596 21:34:41.687358  DOMAIN: 0000 enabled

  597 21:34:41.689299  MMIO: fedc2000 enabled

  598 21:34:41.691968  MMIO: fedc3000 enabled

  599 21:34:41.693888  MMIO: fedc4000 enabled

  600 21:34:41.695100  MMIO: fedc5000 enabled

  601 21:34:41.698051  DOMAIN: 0000 scanning...

  602 21:34:41.700362  PCI: pci_scan_bus for bus 00

  603 21:34:41.701579  POST: 0x24

  604 21:34:41.701855  sb_enable

  605 21:34:41.705381  PCI: 00:00.0 [1022/1576] enabled

  606 21:34:41.706542  sb_enable

  607 21:34:41.706917  sb_enable

  608 21:34:41.711156  PCI: 00:01.0 [1002/98e4] enabled

  609 21:34:41.711240  sb_enable

  610 21:34:41.713923  PCI: 00:01.1 [1002/15b3] enabled

  611 21:34:41.715502  sb_enable

  612 21:34:41.717794  PCI: 00:02.0 [1022/157b] enabled

  613 21:34:41.721971  sb_enable

  614 21:34:41.724332  PCI: Static device PCI: 00:02.1 not found, disabling it.

  615 21:34:41.725073  sb_enable

  616 21:34:41.727473  Capability: type 0x01 @ 0x50

  617 21:34:41.730224  Capability: type 0x10 @ 0x58

  618 21:34:41.732901  Capability: type 0x05 @ 0xa0

  619 21:34:41.735152  Capability: type 0x0d @ 0xc0

  620 21:34:41.738007  Capability: type 0x08 @ 0xc8

  621 21:34:41.741070  Capability: type 0x01 @ 0x50

  622 21:34:41.744059  Capability: type 0x10 @ 0x58

  623 21:34:41.746873  PCI: 00:02.2 subordinate bus PCI Express

  624 21:34:41.749721  PCI: 00:02.2 [1022/157c] enabled

  625 21:34:41.750646  sb_enable

  626 21:34:41.756689  PCI: Static device PCI: 00:02.3 not found, disabling it.

  627 21:34:41.756778  sb_enable

  628 21:34:41.759413  Capability: type 0x01 @ 0x50

  629 21:34:41.762583  Capability: type 0x10 @ 0x58

  630 21:34:41.764593  Capability: type 0x05 @ 0xa0

  631 21:34:41.767182  Capability: type 0x0d @ 0xc0

  632 21:34:41.770112  Capability: type 0x08 @ 0xc8

  633 21:34:41.772615  Capability: type 0x01 @ 0x50

  634 21:34:41.775668  Capability: type 0x10 @ 0x58

  635 21:34:41.779486  PCI: 00:02.4 subordinate bus PCI Express

  636 21:34:41.781790  PCI: 00:02.4 [1022/157c] enabled

  637 21:34:41.783268  sb_enable

  638 21:34:41.787495  PCI: Static device PCI: 00:02.5 not found, disabling it.

  639 21:34:41.791199  PCI: 00:03.0 [1022/157b] enabled

  640 21:34:41.792741  sb_enable

  641 21:34:41.794861  PCI: 00:08.0 [1022/1578] enabled

  642 21:34:41.795904  sb_enable

  643 21:34:41.798887  PCI: 00:09.0 [1022/157d] enabled

  644 21:34:41.799771  sb_enable

  645 21:34:41.805125  PCI: Static device PCI: 00:09.2 not found, disabling it.

  646 21:34:41.805917  sb_enable

  647 21:34:41.808891  PCI: 00:10.0 [1022/0000] bus ops

  648 21:34:41.811953  PCI: 00:10.0 [1022/7914] enabled

  649 21:34:41.812306  sb_enable

  650 21:34:41.813083  sb_enable

  651 21:34:41.816205  PCI: 00:12.0 [1022/0000] bus ops

  652 21:34:41.819318  PCI: 00:12.0 [1022/7908] enabled

  653 21:34:41.820405  sb_enable

  654 21:34:41.823169  PCI: 00:14.0 [1022/790b] bus ops

  655 21:34:41.827451  PCI: 00:14.0 [1022/790b] enabled

  656 21:34:41.827534  sb_enable

  657 21:34:41.829786  PCI: 00:14.3 [1022/0000] bus ops

  658 21:34:41.833232  PCI: 00:14.3 [1022/790e] enabled

  659 21:34:41.835191  sb_enable

  660 21:34:41.837198  PCI: 00:14.7 [1022/7906] enabled

  661 21:34:41.837969  sb_enable

  662 21:34:41.841174  PCI: 00:18.0 [1022/15b0] ops

  663 21:34:41.843570  PCI: 00:18.0 [1022/15b0] enabled

  664 21:34:41.844878  sb_enable

  665 21:34:41.848290  PCI: 00:18.1 [1022/15b1] enabled

  666 21:34:41.848923  sb_enable

  667 21:34:41.851436  PCI: 00:18.2 [1022/15b2] enabled

  668 21:34:41.853621  sb_enable

  669 21:34:41.855175  PCI: 00:18.3 [1022/15b3] enabled

  670 21:34:41.856320  sb_enable

  671 21:34:41.859329  PCI: 00:18.4 [1022/15b4] enabled

  672 21:34:41.860404  sb_enable

  673 21:34:41.863934  PCI: 00:18.5 [1022/15b5] enabled

  674 21:34:41.864686  POST: 0x25

  675 21:34:41.867703  PCI: 00:02.2 scanning...

  676 21:34:41.870166  do_pci_scan_bridge for PCI: 00:02.2

  677 21:34:41.872744  PCI: pci_scan_bus for bus 01

  678 21:34:41.873452  POST: 0x24

  679 21:34:41.875979  PCI: 01:00.0 [168c/003e] enabled

  680 21:34:41.877037  POST: 0x25

  681 21:34:41.878536  POST: 0x55

  682 21:34:41.881780  Capability: type 0x01 @ 0x40

  683 21:34:41.884591  Capability: type 0x05 @ 0x50

  684 21:34:41.886446  Capability: type 0x10 @ 0x70

  685 21:34:41.889169  Capability: type 0x01 @ 0x50

  686 21:34:41.891547  Capability: type 0x10 @ 0x58

  687 21:34:41.894595  Enabling Common Clock Configuration

  688 21:34:41.897295  ASPM: Enabled L0s and L1

  689 21:34:41.899664  Capability: type 0x01 @ 0x40

  690 21:34:41.902385  Capability: type 0x05 @ 0x50

  691 21:34:41.904901  Capability: type 0x10 @ 0x70

  692 21:34:41.910363  scan_bus: scanning of bus PCI: 00:02.2 took 40771 usecs

  693 21:34:41.912345  PCI: 00:02.4 scanning...

  694 21:34:41.917367  do_pci_scan_bridge for PCI: 00:02.4

  695 21:34:41.917706  PCI: pci_scan_bus for bus 02

  696 21:34:41.919057  POST: 0x24

  697 21:34:41.921980  PCI: 02:00.0 [1217/0000] ops

  698 21:34:41.925036  PCI: 02:00.0 [1217/8620] enabled

  699 21:34:41.925843  POST: 0x25

  700 21:34:41.928930  POST: 0x55

  701 21:34:41.930485  Capability: type 0x01 @ 0x6c

  702 21:34:41.932040  Capability: type 0x05 @ 0x48

  703 21:34:41.935072  Capability: type 0x10 @ 0x80

  704 21:34:41.937458  Capability: type 0x01 @ 0x50

  705 21:34:41.940155  Capability: type 0x10 @ 0x58

  706 21:34:41.942863  ASPM: Enabled L0s and L1

  707 21:34:41.944748  Capability: type 0x01 @ 0x6c

  708 21:34:41.947828  Capability: type 0x05 @ 0x48

  709 21:34:41.950563  Capability: type 0x10 @ 0x80

  710 21:34:41.955973  scan_bus: scanning of bus PCI: 00:02.4 took 40316 usecs

  711 21:34:41.957400  PCI: 00:10.0 scanning...

  712 21:34:41.960903  scan_usb_bus for PCI: 00:10.0

  713 21:34:41.964080  scan_usb_bus for PCI: 00:10.0 done

  714 21:34:41.968790  scan_bus: scanning of bus PCI: 00:10.0 took 8114 usecs

  715 21:34:41.970461  PCI: 00:12.0 scanning...

  716 21:34:41.973448  scan_usb_bus for PCI: 00:12.0

  717 21:34:41.976195  scan_usb_bus for PCI: 00:12.0 done

  718 21:34:41.981140  scan_bus: scanning of bus PCI: 00:12.0 took 8112 usecs

  719 21:34:41.983607  PCI: 00:14.0 scanning...

  720 21:34:41.987806  scan_generic_bus for PCI: 00:14.0

  721 21:34:41.990291  scan_generic_bus for PCI: 00:14.0 done

  722 21:34:41.995061  scan_bus: scanning of bus PCI: 00:14.0 took 8804 usecs

  723 21:34:41.997825  PCI: 00:14.3 scanning...

  724 21:34:42.000490  scan_lpc_bus for PCI: 00:14.3

  725 21:34:42.002776  PNP: 0c09.0 enabled

  726 21:34:42.006183  scan_lpc_bus for PCI: 00:14.3 done

  727 21:34:42.009601  scan_bus: scanning of bus PCI: 00:14.3 took 9951 usecs

  728 21:34:42.011184  POST: 0x55

  729 21:34:42.016199  scan_bus: scanning of bus DOMAIN: 0000 took 315149 usecs

  730 21:34:42.018052  MMIO: fedc2000 scanning...

  731 21:34:42.021768  scan_generic_bus for MMIO: fedc2000

  732 21:34:42.026219  bus: MMIO: fedc2000[0]->GENERIC: 0.0 enabled

  733 21:34:42.030344  bus: MMIO: fedc2000[0]->I2C: 01:1a enabled

  734 21:34:42.034138  bus: MMIO: fedc2000[0]->GENERIC: 0.1 enabled

  735 21:34:42.037604  scan_generic_bus for MMIO: fedc2000 done

  736 21:34:42.042654  scan_bus: scanning of bus MMIO: fedc2000 took 21196 usecs

  737 21:34:42.044967  MMIO: fedc3000 scanning...

  738 21:34:42.048128  scan_generic_bus for MMIO: fedc3000

  739 21:34:42.052730  bus: MMIO: fedc3000[0]->I2C: 02:50 enabled

  740 21:34:42.055404  scan_generic_bus for MMIO: fedc3000 done

  741 21:34:42.060799  scan_bus: scanning of bus MMIO: fedc3000 took 13178 usecs

  742 21:34:42.063478  MMIO: fedc4000 scanning...

  743 21:34:42.066623  scan_generic_bus for MMIO: fedc4000

  744 21:34:42.070920  bus: MMIO: fedc4000[0]->I2C: 03:15 enabled

  745 21:34:42.073987  scan_generic_bus for MMIO: fedc4000 done

  746 21:34:42.079196  scan_bus: scanning of bus MMIO: fedc4000 took 13161 usecs

  747 21:34:42.082227  MMIO: fedc5000 scanning...

  748 21:34:42.084784  scan_generic_bus for MMIO: fedc5000

  749 21:34:42.088972  bus: MMIO: fedc5000[0]->I2C: 04:39 enabled

  750 21:34:42.092638  bus: MMIO: fedc5000[0]->I2C: 04:10 enabled

  751 21:34:42.096303  scan_generic_bus for MMIO: fedc5000 done

  752 21:34:42.101354  scan_bus: scanning of bus MMIO: fedc5000 took 16981 usecs

  753 21:34:42.104453  root_dev_scan_bus for Root Device done

  754 21:34:42.109598  scan_bus: scanning of bus Root Device took 426263 usecs

  755 21:34:42.110842  done

  756 21:34:42.115502  BS: BS_DEV_ENUMERATE times (us): entry 0 run 631211 exit 0

  757 21:34:42.116718  POST: 0x73

  758 21:34:42.118938  found VGA at PCI: 00:01.0

  759 21:34:42.121613  Setting up VGA for PCI: 00:01.0

  760 21:34:42.126130  Setting PCI_BRIDGE_CTL_VGA for bridge DOMAIN: 0000

  761 21:34:42.130454  Setting PCI_BRIDGE_CTL_VGA for bridge Root Device

  762 21:34:42.132655  Allocating resources...

  763 21:34:42.134855  Reading resources...

  764 21:34:42.138198  Root Device read_resources bus 0 link: 0

  765 21:34:42.142814  CPU_CLUSTER: 0 read_resources bus 0 link: 0

  766 21:34:42.146764  CPU_CLUSTER: 0 read_resources bus 0 link: 0 done

  767 21:34:42.150569  DOMAIN: 0000 read_resources bus 0 link: 0

  768 21:34:42.154419  PCI: 00:02.2 read_resources bus 1 link: 0

  769 21:34:42.158704  PCI: 00:02.2 read_resources bus 1 link: 0 done

  770 21:34:42.162656  PCI: 00:02.4 read_resources bus 2 link: 0

  771 21:34:42.166947  PCI: 00:02.4 read_resources bus 2 link: 0 done

  772 21:34:42.170876  PCI: 00:14.3 read_resources bus 0 link: 0

  773 21:34:42.175240  PCI: 00:14.3 read_resources bus 0 link: 0 done

  774 21:34:42.180683  Adding PCIe enhanced config space BAR 0xf8000000-0xfc000000.

  775 21:34:42.185277  DOMAIN: 0000 read_resources bus 0 link: 0 done

  776 21:34:42.189000  MMIO: fedc2000 read_resources bus 1 link: 0

  777 21:34:42.193425  MMIO: fedc2000 read_resources bus 1 link: 0 done

  778 21:34:42.197319  MMIO: fedc3000 read_resources bus 2 link: 0

  779 21:34:42.201901  MMIO: fedc3000 read_resources bus 2 link: 0 done

  780 21:34:42.205838  MMIO: fedc4000 read_resources bus 3 link: 0

  781 21:34:42.210413  MMIO: fedc4000 read_resources bus 3 link: 0 done

  782 21:34:42.214198  MMIO: fedc5000 read_resources bus 4 link: 0

  783 21:34:42.218707  MMIO: fedc5000 read_resources bus 4 link: 0 done

  784 21:34:42.222651  Root Device read_resources bus 0 link: 0 done

  785 21:34:42.225645  Done reading resources.

  786 21:34:42.229767  Show resources in subtree (Root Device)...After reading.

  787 21:34:42.234437   Root Device child on link 0 CPU_CLUSTER: 0

  788 21:34:42.237975    CPU_CLUSTER: 0 child on link 0 APIC: 10

  789 21:34:42.240348     APIC: 10

  790 21:34:42.243051    DOMAIN: 0000 child on link 0 PCI: 00:00.0

  791 21:34:42.251338    DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffff flags 40040100 index 10000000

  792 21:34:42.259513    DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffffffff flags 40040200 index 10000100

  793 21:34:42.261690     PCI: 00:00.0

  794 21:34:42.262588     PCI: 00:00.2

  795 21:34:42.264276     PCI: 00:01.0

  796 21:34:42.274200     PCI: 00:01.0 resource base 0 size 4000000 align 26 gran 26 limit ffffffffffffffff flags 1201 index 10

  797 21:34:42.282326     PCI: 00:01.0 resource base 0 size 800000 align 23 gran 23 limit ffffffffffffffff flags 1201 index 18

  798 21:34:42.290747     PCI: 00:01.0 resource base 0 size 100 align 8 gran 8 limit ffff flags 100 index 20

  799 21:34:42.298947     PCI: 00:01.0 resource base 0 size 40000 align 18 gran 18 limit ffffffff flags 200 index 24

  800 21:34:42.306500     PCI: 00:01.0 resource base 0 size 20000 align 17 gran 17 limit ffffffff flags 2200 index 30

  801 21:34:42.308214     PCI: 00:01.1

  802 21:34:42.318045     PCI: 00:01.1 resource base 0 size 4000 align 14 gran 14 limit ffffffffffffffff flags 201 index 10

  803 21:34:42.319298     PCI: 00:02.0

  804 21:34:42.320021     PCI: 00:02.1

  805 21:34:42.324047     PCI: 00:02.2 child on link 0 PCI: 01:00.0

  806 21:34:42.332081     PCI: 00:02.2 resource base 0 size 0 align 12 gran 12 limit ffffffff flags 80102 index 1c

  807 21:34:42.340736     PCI: 00:02.2 resource base 0 size 0 align 20 gran 20 limit ffffffffffffffff flags 81202 index 24

  808 21:34:42.349110     PCI: 00:02.2 resource base 0 size 0 align 20 gran 20 limit ffffffff flags 80202 index 20

  809 21:34:42.350639      PCI: 01:00.0

  810 21:34:42.359921      PCI: 01:00.0 resource base 0 size 200000 align 21 gran 21 limit ffffffffffffffff flags 201 index 10

  811 21:34:42.361558     PCI: 00:02.3

  812 21:34:42.364900     PCI: 00:02.4 child on link 0 PCI: 02:00.0

  813 21:34:42.373400     PCI: 00:02.4 resource base 0 size 0 align 12 gran 12 limit ffffffff flags 80102 index 1c

  814 21:34:42.382015     PCI: 00:02.4 resource base 0 size 0 align 20 gran 20 limit ffffffffffffffff flags 81202 index 24

  815 21:34:42.390934     PCI: 00:02.4 resource base 0 size 0 align 20 gran 20 limit ffffffff flags 80202 index 20

  816 21:34:42.391671      PCI: 02:00.0

  817 21:34:42.400062      PCI: 02:00.0 resource base 0 size 1000 align 12 gran 12 limit ffffffff flags 200 index 10

  818 21:34:42.407831      PCI: 02:00.0 resource base 0 size 800 align 12 gran 11 limit ffffffff flags 200 index 14

  819 21:34:42.409515     PCI: 00:02.5

  820 21:34:42.411713     PCI: 00:03.0

  821 21:34:42.412491     PCI: 00:08.0

  822 21:34:42.421837     PCI: 00:08.0 resource base 0 size 20000 align 17 gran 17 limit ffffffffffffffff flags 1201 index 10

  823 21:34:42.430304     PCI: 00:08.0 resource base 0 size 100000 align 20 gran 20 limit ffffffff flags 200 index 18

  824 21:34:42.439958     PCI: 00:08.0 resource base 0 size 1000 align 12 gran 12 limit ffffffff flags 200 index 1c

  825 21:34:42.447139     PCI: 00:08.0 resource base 0 size 100000 align 20 gran 20 limit ffffffff flags 200 index 20

  826 21:34:42.454602     PCI: 00:08.0 resource base 0 size 2000 align 13 gran 13 limit ffffffff flags 200 index 24

  827 21:34:42.455817     PCI: 00:09.0

  828 21:34:42.458574     PCI: 00:09.2

  829 21:34:42.459362     PCI: 00:10.0

  830 21:34:42.467971     PCI: 00:10.0 resource base 0 size 2000 align 13 gran 13 limit ffffffffffffffff flags 201 index 10

  831 21:34:42.469899     PCI: 00:11.0

  832 21:34:42.470704     PCI: 00:12.0

  833 21:34:42.479457     PCI: 00:12.0 resource base 0 size 100 align 12 gran 8 limit ffffffff flags 200 index 10

  834 21:34:42.480209     PCI: 00:14.0

  835 21:34:42.484450     PCI: 00:14.3 child on link 0 PNP: 0c09.0

  836 21:34:42.492863     PCI: 00:14.3 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0040100 index 10000000

  837 21:34:42.502334     PCI: 00:14.3 resource base ff000000 size 1000000 align 0 gran 0 limit 0 flags c0040200 index 10000100

  838 21:34:42.510499     PCI: 00:14.3 resource base fec10000 size 400 align 0 gran 0 limit 0 flags e0040200 index 2

  839 21:34:42.518673     PCI: 00:14.3 resource base fec00000 size 1000 align 0 gran 0 limit 0 flags c0000200 index 3

  840 21:34:42.527233     PCI: 00:14.3 resource base fedc2000 size 4000 align 0 gran 0 limit 0 flags c0000200 index 4

  841 21:34:42.528735      PNP: 0c09.0

  842 21:34:42.536417      PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0

  843 21:34:42.537686     PCI: 00:14.7

  844 21:34:42.546240     PCI: 00:14.7 resource base 0 size 100 align 12 gran 8 limit ffffffffffffffff flags 201 index 10

  845 21:34:42.548125     PCI: 00:18.0

  846 21:34:42.557164     PCI: 00:18.0 resource base f8000000 size 4000000 align 0 gran 0 limit 0 flags f0000200 index c0010058

  847 21:34:42.565837     PCI: 00:18.0 resource base fec20000 size 1000 align 0 gran 0 limit 0 flags c0000200 index fec20000

  848 21:34:42.568228     PCI: 00:18.1

  849 21:34:42.569008     PCI: 00:18.2

  850 21:34:42.572071     PCI: 00:18.3

  851 21:34:42.572174     PCI: 00:18.4

  852 21:34:42.573253     PCI: 00:18.5

  853 21:34:42.577399    MMIO: fedc2000 child on link 0 GENERIC: 0.0

  854 21:34:42.579673     GENERIC: 0.0

  855 21:34:42.580450     I2C: 01:1a

  856 21:34:42.582063     GENERIC: 0.1

  857 21:34:42.585936    MMIO: fedc3000 child on link 0 I2C: 02:50

  858 21:34:42.587084     I2C: 02:50

  859 21:34:42.591266    MMIO: fedc4000 child on link 0 I2C: 03:15

  860 21:34:42.592446     I2C: 03:15

  861 21:34:42.596192    MMIO: fedc5000 child on link 0 I2C: 04:39

  862 21:34:42.597356     I2C: 04:39

  863 21:34:42.599637     I2C: 04:10

  864 21:34:42.604467  DOMAIN: 0000 io: base: 0 size: 0 align: 0 gran: 0 limit: ffff

  865 21:34:42.610509  PCI: 00:02.2 io: base: 0 size: 0 align: 12 gran: 12 limit: ffffffff

  866 21:34:42.617307  PCI: 00:02.2 io: base: 0 size: 0 align: 12 gran: 12 limit: ffffffff done

  867 21:34:42.622734  PCI: 00:02.4 io: base: 0 size: 0 align: 12 gran: 12 limit: ffffffff

  868 21:34:42.629725  PCI: 00:02.4 io: base: 0 size: 0 align: 12 gran: 12 limit: ffffffff done

  869 21:34:42.632444  PCI: 00:01.0 20 *  [0x0 - 0xff] io

  870 21:34:42.638545  DOMAIN: 0000 io: base: 100 size: 100 align: 8 gran: 0 limit: ffff done

  871 21:34:42.644249  DOMAIN: 0000 mem: base: 0 size: 0 align: 0 gran: 0 limit: ffffffff

  872 21:34:42.651664  PCI: 00:02.2 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff

  873 21:34:42.659400  PCI: 00:02.2 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff done

  874 21:34:42.664832  PCI: 00:02.2 mem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffff

  875 21:34:42.669383  PCI: 01:00.0 10 *  [0x0 - 0x1fffff] mem

  876 21:34:42.676717  PCI: 00:02.2 mem: base: 200000 size: 200000 align: 21 gran: 20 limit: ffffffff done

  877 21:34:42.683511  PCI: 00:02.4 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff

  878 21:34:42.691588  PCI: 00:02.4 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff done

  879 21:34:42.697339  PCI: 00:02.4 mem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffff

  880 21:34:42.700406  PCI: 02:00.0 10 *  [0x0 - 0xfff] mem

  881 21:34:42.707010  PCI: 02:00.0 14 *  [0x1000 - 0x17ff] mem

  882 21:34:42.711156  PCI: 00:02.4 mem: base: 1800 size: 100000 align: 20 gran: 20 limit: ffffffff done

  883 21:34:42.715191  PCI: 00:01.0 10 *  [0x0 - 0x3ffffff] prefmem

  884 21:34:42.719578  PCI: 00:01.0 18 *  [0x4000000 - 0x47fffff] prefmem

  885 21:34:42.723830  PCI: 00:02.2 20 *  [0x4800000 - 0x49fffff] mem

  886 21:34:42.728093  PCI: 00:02.4 20 *  [0x4a00000 - 0x4afffff] mem

  887 21:34:42.731978  PCI: 00:08.0 18 *  [0x4b00000 - 0x4bfffff] mem

  888 21:34:42.736389  PCI: 00:08.0 20 *  [0x4c00000 - 0x4cfffff] mem

  889 21:34:42.742111  PCI: 00:01.0 24 *  [0x4d00000 - 0x4d3ffff] mem

  890 21:34:42.744559  PCI: 00:01.0 30 *  [0x4d40000 - 0x4d5ffff] mem

  891 21:34:42.749850  PCI: 00:08.0 10 *  [0x4d60000 - 0x4d7ffff] prefmem

  892 21:34:42.753667  PCI: 00:01.1 10 *  [0x4d80000 - 0x4d83fff] mem

  893 21:34:42.757635  PCI: 00:08.0 24 *  [0x4d84000 - 0x4d85fff] mem

  894 21:34:42.761501  PCI: 00:10.0 10 *  [0x4d86000 - 0x4d87fff] mem

  895 21:34:42.766130  PCI: 00:08.0 1c *  [0x4d88000 - 0x4d88fff] mem

  896 21:34:42.769882  PCI: 00:12.0 10 *  [0x4d89000 - 0x4d890ff] mem

  897 21:34:42.774725  PCI: 00:14.7 10 *  [0x4d8a000 - 0x4d8a0ff] mem

  898 21:34:42.781766  DOMAIN: 0000 mem: base: 4d8a100 size: 4d8a100 align: 26 gran: 0 limit: ffffffff done

  899 21:34:42.785626  avoid_fixed_resources: DOMAIN: 0000

  900 21:34:42.789879  avoid_fixed_resources:@DOMAIN: 0000 10000000 limit 0000ffff

  901 21:34:42.795463  avoid_fixed_resources:@DOMAIN: 0000 10000100 limit ffffffff

  902 21:34:42.802483  constrain_resources: PCI: 00:14.3 10000000 base 00000000 limit 00000fff io (fixed)

  903 21:34:42.810350  constrain_resources: PCI: 00:14.3 10000100 base ff000000 limit ffffffff mem (fixed)

  904 21:34:42.816889  constrain_resources: PCI: 00:14.3 02 base fec10000 limit fec103ff mem (fixed)

  905 21:34:42.823813  constrain_resources: PCI: 00:14.3 03 base fec00000 limit fec00fff mem (fixed)

  906 21:34:42.831409  constrain_resources: PCI: 00:18.0 c0010058 base f8000000 limit fbffffff mem (fixed)

  907 21:34:42.837642  avoid_fixed_resources:@DOMAIN: 0000 10000000 base 00001000 limit 0000ffff

  908 21:34:42.843904  avoid_fixed_resources:@DOMAIN: 0000 10000100 base f0000000 limit f7ffffff

  909 21:34:42.846506  Setting resources...

  910 21:34:42.851622  DOMAIN: 0000 io: base:1000 size:100 align:8 gran:0 limit:ffff

  911 21:34:42.856071  PCI: 00:01.0 20 *  [0x1000 - 0x10ff] io

  912 21:34:42.861003  DOMAIN: 0000 io: next_base: 1100 size: 100 align: 8 gran: 0 done

  913 21:34:42.867011  PCI: 00:02.2 io: base:ffff size:0 align:12 gran:12 limit:ffff

  914 21:34:42.872114  PCI: 00:02.2 io: next_base: ffff size: 0 align: 12 gran: 12 done

  915 21:34:42.878018  PCI: 00:02.4 io: base:ffff size:0 align:12 gran:12 limit:ffff

  916 21:34:42.883774  PCI: 00:02.4 io: next_base: ffff size: 0 align: 12 gran: 12 done

  917 21:34:42.890432  DOMAIN: 0000 mem: base:f0000000 size:4d8a100 align:26 gran:0 limit:f7ffffff

  918 21:34:42.895099  PCI: 00:01.0 10 *  [0xf0000000 - 0xf3ffffff] prefmem

  919 21:34:42.899402  PCI: 00:01.0 18 *  [0xf4000000 - 0xf47fffff] prefmem

  920 21:34:42.904149  PCI: 00:02.2 20 *  [0xf4800000 - 0xf49fffff] mem

  921 21:34:42.908389  PCI: 00:02.4 20 *  [0xf4a00000 - 0xf4afffff] mem

  922 21:34:42.912635  PCI: 00:08.0 18 *  [0xf4b00000 - 0xf4bfffff] mem

  923 21:34:42.918208  PCI: 00:08.0 20 *  [0xf4c00000 - 0xf4cfffff] mem

  924 21:34:42.921232  PCI: 00:01.0 24 *  [0xf4d00000 - 0xf4d3ffff] mem

  925 21:34:42.925428  PCI: 00:01.0 30 *  [0xf4d40000 - 0xf4d5ffff] mem

  926 21:34:42.930544  PCI: 00:08.0 10 *  [0xf4d60000 - 0xf4d7ffff] prefmem

  927 21:34:42.934458  PCI: 00:01.1 10 *  [0xf4d80000 - 0xf4d83fff] mem

  928 21:34:42.939044  PCI: 00:08.0 24 *  [0xf4d84000 - 0xf4d85fff] mem

  929 21:34:42.943598  PCI: 00:10.0 10 *  [0xf4d86000 - 0xf4d87fff] mem

  930 21:34:42.947808  PCI: 00:08.0 1c *  [0xf4d88000 - 0xf4d88fff] mem

  931 21:34:42.952070  PCI: 00:12.0 10 *  [0xf4d89000 - 0xf4d890ff] mem

  932 21:34:42.957201  PCI: 00:14.7 10 *  [0xf4d8a000 - 0xf4d8a0ff] mem

  933 21:34:42.963693  DOMAIN: 0000 mem: next_base: f4d8a100 size: 4d8a100 align: 26 gran: 0 done

  934 21:34:42.969409  PCI: 00:02.2 prefmem: base:f7ffffff size:0 align:20 gran:20 limit:f7ffffff

  935 21:34:42.976387  PCI: 00:02.2 prefmem: next_base: f7ffffff size: 0 align: 20 gran: 20 done

  936 21:34:42.982888  PCI: 00:02.2 mem: base:f4800000 size:200000 align:21 gran:20 limit:f49fffff

  937 21:34:42.987220  PCI: 01:00.0 10 *  [0xf4800000 - 0xf49fffff] mem

  938 21:34:42.994692  PCI: 00:02.2 mem: next_base: f4a00000 size: 200000 align: 21 gran: 20 done

  939 21:34:43.000264  PCI: 00:02.4 prefmem: base:f7ffffff size:0 align:20 gran:20 limit:f7ffffff

  940 21:34:43.007314  PCI: 00:02.4 prefmem: next_base: f7ffffff size: 0 align: 20 gran: 20 done

  941 21:34:43.013560  PCI: 00:02.4 mem: base:f4a00000 size:100000 align:20 gran:20 limit:f4afffff

  942 21:34:43.018107  PCI: 02:00.0 10 *  [0xf4a00000 - 0xf4a00fff] mem

  943 21:34:43.023127  PCI: 02:00.0 14 *  [0xf4a01000 - 0xf4a017ff] mem

  944 21:34:43.028690  PCI: 00:02.4 mem: next_base: f4a01800 size: 100000 align: 20 gran: 20 done

  945 21:34:43.032664  Root Device assign_resources, bus 0 link: 0

  946 21:34:43.036903  DOMAIN: 0000 assign_resources, bus 0 link: 0

  947 21:34:43.045380  PCI: 00:01.0 10 <- [0x00f0000000 - 0x00f3ffffff] size 0x04000000 gran 0x1a prefmem64

  948 21:34:43.051587  PCI: 00:01.0 18 <- [0x00f4000000 - 0x00f47fffff] size 0x00800000 gran 0x17 prefmem64

  949 21:34:43.059018  PCI: 00:01.0 20 <- [0x0000001000 - 0x00000010ff] size 0x00000100 gran 0x08 io

  950 21:34:43.065991  PCI: 00:01.0 24 <- [0x00f4d00000 - 0x00f4d3ffff] size 0x00040000 gran 0x12 mem

  951 21:34:43.073077  PCI: 00:01.0 30 <- [0x00f4d40000 - 0x00f4d5ffff] size 0x00020000 gran 0x11 romem

  952 21:34:43.079868  PCI: 00:01.1 10 <- [0x00f4d80000 - 0x00f4d83fff] size 0x00004000 gran 0x0e mem64

  953 21:34:43.087234  PCI: 00:02.2 1c <- [0x000000ffff - 0x000000fffe] size 0x00000000 gran 0x0c bus 01 io

  954 21:34:43.095178  PCI: 00:02.2 24 <- [0x00f7ffffff - 0x00f7fffffe] size 0x00000000 gran 0x14 bus 01 prefmem

  955 21:34:43.103038  PCI: 00:02.2 20 <- [0x00f4800000 - 0x00f49fffff] size 0x00200000 gran 0x14 bus 01 mem

  956 21:34:43.106664  PCI: 00:02.2 assign_resources, bus 1 link: 0

  957 21:34:43.114297  PCI: 01:00.0 10 <- [0x00f4800000 - 0x00f49fffff] size 0x00200000 gran 0x15 mem64

  958 21:34:43.118266  PCI: 00:02.2 assign_resources, bus 1 link: 0

  959 21:34:43.125277  PCI: 00:02.4 1c <- [0x000000ffff - 0x000000fffe] size 0x00000000 gran 0x0c bus 02 io

  960 21:34:43.133446  PCI: 00:02.4 24 <- [0x00f7ffffff - 0x00f7fffffe] size 0x00000000 gran 0x14 bus 02 prefmem

  961 21:34:43.140870  PCI: 00:02.4 20 <- [0x00f4a00000 - 0x00f4afffff] size 0x00100000 gran 0x14 bus 02 mem

  962 21:34:43.144746  PCI: 00:02.4 assign_resources, bus 2 link: 0

  963 21:34:43.152182  PCI: 02:00.0 10 <- [0x00f4a00000 - 0x00f4a00fff] size 0x00001000 gran 0x0c mem

  964 21:34:43.158893  PCI: 02:00.0 14 <- [0x00f4a01000 - 0x00f4a017ff] size 0x00000800 gran 0x0b mem

  965 21:34:43.163105  PCI: 00:02.4 assign_resources, bus 2 link: 0

  966 21:34:43.170438  PCI: 00:08.0 10 <- [0x00f4d60000 - 0x00f4d7ffff] size 0x00020000 gran 0x11 prefmem64

  967 21:34:43.179351  PCI: 00:08.0 18 <- [0x00f4b00000 - 0x00f4bfffff] size 0x00100000 gran 0x14 mem

  968 21:34:43.184631  PCI: 00:08.0 1c <- [0x00f4d88000 - 0x00f4d88fff] size 0x00001000 gran 0x0c mem

  969 21:34:43.191490  PCI: 00:08.0 20 <- [0x00f4c00000 - 0x00f4cfffff] size 0x00100000 gran 0x14 mem

  970 21:34:43.198772  PCI: 00:08.0 24 <- [0x00f4d84000 - 0x00f4d85fff] size 0x00002000 gran 0x0d mem

  971 21:34:43.205577  PCI: 00:10.0 10 <- [0x00f4d86000 - 0x00f4d87fff] size 0x00002000 gran 0x0d mem64

  972 21:34:43.212514  PCI: 00:12.0 10 <- [0x00f4d89000 - 0x00f4d890ff] size 0x00000100 gran 0x08 mem

  973 21:34:43.216607  PCI: 00:14.3 assign_resources, bus 0 link: 0

  974 21:34:43.220590  PCI: 00:14.3 assign_resources, bus 0 link: 0

  975 21:34:43.227618  PCI: 00:14.7 10 <- [0x00f4d8a000 - 0x00f4d8a0ff] size 0x00000100 gran 0x08 mem64

  976 21:34:43.232593  DOMAIN: 0000 assign_resources, bus 0 link: 0

  977 21:34:43.236081  Root Device assign_resources, bus 0 link: 0

  978 21:34:43.238343  Done setting resources.

  979 21:34:43.244599  Show resources in subtree (Root Device)...After assigning values.

  980 21:34:43.249379   Root Device child on link 0 CPU_CLUSTER: 0

  981 21:34:43.251716    CPU_CLUSTER: 0 child on link 0 APIC: 10

  982 21:34:43.253281     APIC: 10

  983 21:34:43.256445    DOMAIN: 0000 child on link 0 PCI: 00:00.0

  984 21:34:43.266929    DOMAIN: 0000 resource base 1000 size 100 align 8 gran 0 limit ffff flags 40040100 index 10000000

  985 21:34:43.275464    DOMAIN: 0000 resource base f0000000 size 4d8a100 align 26 gran 0 limit f7ffffff flags 40040200 index 10000100

  986 21:34:43.283516    DOMAIN: 0000 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 10

  987 21:34:43.290814    DOMAIN: 0000 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index 11

  988 21:34:43.298982    DOMAIN: 0000 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index 12

  989 21:34:43.308806    DOMAIN: 0000 resource base 100000 size cdf00000 align 0 gran 0 limit 0 flags e0004200 index 13

  990 21:34:43.317471    DOMAIN: 0000 resource base ce000000 size 2000000 align 0 gran 0 limit 0 flags f0004200 index 14

  991 21:34:43.325339    DOMAIN: 0000 resource base 100000000 size 2f000000 align 0 gran 0 limit 0 flags e0004200 index 15

  992 21:34:43.327329     PCI: 00:00.0

  993 21:34:43.328841     PCI: 00:00.2

  994 21:34:43.329694     PCI: 00:01.0

  995 21:34:43.339407     PCI: 00:01.0 resource base f0000000 size 4000000 align 26 gran 26 limit f3ffffff flags 60001201 index 10

  996 21:34:43.348833     PCI: 00:01.0 resource base f4000000 size 800000 align 23 gran 23 limit f47fffff flags 60001201 index 18

  997 21:34:43.416962     PCI: 00:01.0 resource base 1000 size 100 align 8 gran 8 limit 10ff flags 60000100 index 20

  998 21:34:43.428722     PCI: 00:01.0 resource base f4d00000 size 40000 align 18 gran 18 limit f4d3ffff flags 60000200 index 24

  999 21:34:43.434347     PCI: 00:01.0 resource base f4d40000 size 20000 align 17 gran 17 limit f4d5ffff flags 60002200 index 30

 1000 21:34:43.434432     PCI: 00:01.1

 1001 21:34:43.445387     PCI: 00:01.1 resource base f4d80000 size 4000 align 14 gran 14 limit f4d83fff flags 60000201 index 10

 1002 21:34:43.445472     PCI: 00:02.0

 1003 21:34:43.450863     PCI: 00:02.1

 1004 21:34:43.450946     PCI: 00:02.2 child on link 0 PCI: 01:00.0

 1005 21:34:43.460928     PCI: 00:02.2 resource base ffff sizource base f4800000 size 200000 align 21 gran 20 limit f49fffff flags 60080202 index 20

 1006 21:34:43.466322      PCI: 01:00.0

 1007 21:34:43.472178      PCI: 01:00.0 resoase f4800000 size 200000 align 21 gran 21 limit f49fffff flags 60000201 index 10

 1008 21:34:43.482069     PCI: 00:02.3

 1009 21:34:43.482152     PCI: 00:02.4 child on link 0 PCI: 02:00.0

 1010 21:34:43.489431     PCI: 00:02.4 resource base ffff size 0 align12 gran 12 limit ffff flags 60080102 index 1c

 1011 21:34:43.494850     PCI: 00:02.4 resource base f7ffffff size 0 align 20 gran 20 limit f7ffffff flags 60081202 index 24

 1012 21:34:43.504979     PCI: 00:02.4 resource base f4a00000 size 100000 align 20 gran 20 limit f4afffff flags 60080202 index 20

 1013 21:34:43.505062      PCI: 02:00.0

 1014 21:34:43.506856      PCI: 02:00.0 resource base f4a00000 size 1000 align 12 gran 12 limit f4a00fff flags 60000200 index 10

 1015 21:34:43.509043      PCI: 02:00.0 resource base f4a01000 size 800 align 12 gran 11 limit f4a017ff flags 60000200 index 14

 1016 21:34:43.509126     PCI: 00:02.5

 1017 21:34:43.509191     PCI: 00:03.0

 1018 21:34:43.509250     PCI: 00:08.0

 1019 21:34:43.511757     PCI: 00:08.0 resource base f4d60000 size 20000 align 17 gran 17 limit f4d7ffff flags 60001201 index 10

 1020 21:34:43.514488     PCI: 00:08.0 resource base f4b00000 size 100000 align 20 gran 20 limit f4bfffff flags 60000200 index 18

 1021 21:34:43.515674     PCI: 00:08.0 resource base f4d88000 size 1000 align 12 gran 12 limit f4d88fff flags 60000200 index 1c

 1022 21:34:43.524328     PCI: 00:08.0 resource base f4c00000 size 100000 align 20 gran 20 limit f4cfffff flags 60000200 index 20

 1023 21:34:43.533700     PCI: 00:08.0 resource base f4d84000 size 2000 align 13 gran 13 limit f4d85fff flags 60000200 index 24

 1024 21:34:43.535627     PCI: 00:09.0

 1025 21:34:43.536765     PCI: 00:09.2

 1026 21:34:43.538913     PCI: 00:10.0

 1027 21:34:43.547178     PCI: 00:10.0 resource base f4d86000 size 2000 align 13 gran 13 limit f4d87fff flags 60000201 index 10

 1028 21:34:43.548642     PCI: 00:11.0

 1029 21:34:43.550075     PCI: 00:12.0

 1030 21:34:43.560251     PCI: 00:12.0 resource base f4d89000 size 100 align 12 gran 8 limit f4d890ff flags 60000200 index 10

 1031 21:34:43.560949     PCI: 00:14.0

 1032 21:34:43.564970     PCI: 00:14.3 child on link 0 PNP: 0c09.0

 1033 21:34:43.573519     PCI: 00:14.3 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0040100 index 10000000

 1034 21:34:43.582383     PCI: 00:14.3 resource base ff000000 size 1000000 align 0 gran 0 limit 0 flags c0040200 index 10000100

 1035 21:34:43.590678     PCI: 00:14.3 resource base fec10000 size 400 align 0 gran 0 limit 0 flags e0040200 index 2

 1036 21:34:43.599005     PCI: 00:14.3 resource base fec00000 size 1000 align 0 gran 0 limit 0 flags c0000200 index 3

 1037 21:34:43.608051     PCI: 00:14.3 resource base fedc2000 size 4000 align 0 gran 0 limit 0 flags c0000200 index 4

 1038 21:34:43.609913      PNP: 0c09.0

 1039 21:34:43.616917      PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0

 1040 21:34:43.618082     PCI: 00:14.7

 1041 21:34:43.627316     PCI: 00:14.7 resource base f4d8a000 size 100 align 12 gran 8 limit f4d8a0ff flags 60000201 index 10

 1042 21:34:43.629237     PCI: 00:18.0

 1043 21:34:43.637637     PCI: 00:18.0 resource base f8000000 size 4000000 align 0 gran 0 limit 0 flags f0000200 index c0010058

 1044 21:34:43.646564     PCI: 00:18.0 resource base fec20000 size 1000 align 0 gran 0 limit 0 flags c0000200 index fec20000

 1045 21:34:43.647952     PCI: 00:18.1

 1046 21:34:43.649691     PCI: 00:18.2

 1047 21:34:43.651822     PCI: 00:18.3

 1048 21:34:43.652840     PCI: 00:18.4

 1049 21:34:43.654296     PCI: 00:18.5

 1050 21:34:43.658643    MMIO: fedc2000 child on link 0 GENERIC: 0.0

 1051 21:34:43.660027     GENERIC: 0.0

 1052 21:34:43.661613     I2C: 01:1a

 1053 21:34:43.662711     GENERIC: 0.1

 1054 21:34:43.666264    MMIO: fedc3000 child on link 0 I2C: 02:50

 1055 21:34:43.668272     I2C: 02:50

 1056 21:34:43.671803    MMIO: fedc4000 child on link 0 I2C: 03:15

 1057 21:34:43.674320     I2C: 03:15

 1058 21:34:43.676957    MMIO: fedc5000 child on link 0 I2C: 04:39

 1059 21:34:43.678356     I2C: 04:39

 1060 21:34:43.680393     I2C: 04:10

 1061 21:34:43.682195  Done allocating resources.

 1062 21:34:43.687963  BS: BS_DEV_RESOURCES times (us): entry 0 run 1563801 exit 0

 1063 21:34:43.693524  PCI_INTR tables: Writing registers C00/C01 for PCI IRQ routing:

 1064 21:34:43.697315  PCI_INTR_INDEX	name		     PIC mode	APIC mode

 1065 21:34:43.700395  0x00		INTA#                0x03	0x10

 1066 21:34:43.704166  0x01		INTB#                0x04	0x11

 1067 21:34:43.707668  0x02		INTC#                0x05	0x12

 1068 21:34:43.712684  0x03		INTD#                0x07	0x13

 1069 21:34:43.714259  0x04		INTE#                0x0B	0x14

 1070 21:34:43.717747  0x05		INTF#                0x1F	0x1F

 1071 21:34:43.720318  0x06		INTG#                0x1F	0x16

 1072 21:34:43.724260  0x07		INTH#                0x1F	0x17

 1073 21:34:43.726917  0x08		Misc                 0xFA	0x00

 1074 21:34:43.730045  0x09		Misc0                0xF1	0x00

 1075 21:34:43.733637  0x0A		Misc1                0x00	0x00

 1076 21:34:43.737019  0x0B		Misc2                0x00	0x00

 1077 21:34:43.740590  0x0C		Ser IRQ INTA         0x1F	0x1F

 1078 21:34:43.743699  0x0D		Ser IRQ INTB         0x1F	0x1F

 1079 21:34:43.747236  0x0E		Ser IRQ INTC         0x1F	0x1F

 1080 21:34:43.751569  0x0F		Ser IRQ INTD         0x1F	0x1F

 1081 21:34:43.753503  0x10		SCI                  0x09	0x09

 1082 21:34:43.757513  0x11		SMBUS                0x1F	0x1F

 1083 21:34:43.760294  0x12		ASF                  0x1F	0x1F

 1084 21:34:43.765326  0x13		HDA                  0x03	0x10

 1085 21:34:43.767705  0x14		FC                   0x1F	0x1F

 1086 21:34:43.770226  0x16		PerMon               0x1F	0x1F

 1087 21:34:43.773675  0x17		SD                   0x03	0x10

 1088 21:34:43.777105  0x1A		SDIOt                0x00	0x1F

 1089 21:34:43.780230  0x30		EHCI                 0x05	0x12

 1090 21:34:43.783470  0x34		XHCI                 0x04	0x12

 1091 21:34:43.787460  0x41		SATA                 0x07	0x13

 1092 21:34:43.789718  0x62		GPIO                 0x07	0x07

 1093 21:34:43.794049  0x70		I2C0                 0x03	0x03

 1094 21:34:43.796577  0x71		I2C1                 0x0F	0x0F

 1095 21:34:43.799719  0x72		I2C2                 0x06	0x06

 1096 21:34:43.803847  0x73		I2C3                 0x0E	0x0E

 1097 21:34:43.806868  0x74		UART0                0x0A	0x0A

 1098 21:34:43.812339  0x75		UART1                0x0B	0x0B

 1099 21:34:43.815465  PCI_CFG IRQ: Write PCI config space IRQ assignments

 1100 21:34:43.818491  PCI IRQ: Found device 0:01.00 using PIN A

 1101 21:34:43.822297  PCI Devfn (0x8) not found in pirq_data table

 1102 21:34:43.825979  PCI IRQ: Found device 0:01.01 using PIN B

 1103 21:34:43.830194  	Found this device in pirq_data table entry 5

 1104 21:34:43.832461  	Orig INT_PIN	: 2 (PIN B)

 1105 21:34:43.835242  	PCI_INTR idx	: 0x13 (HDA)

 1106 21:34:43.837510  	INT_LINE	: 0x3 (IRQ 3)

 1107 21:34:43.840643  PCI IRQ: Found device 0:02.02 using PIN A

 1108 21:34:43.845204  	Found this device in pirq_data table entry 1

 1109 21:34:43.847949  	Orig INT_PIN	: 1 (PIN A)

 1110 21:34:43.850338  	PCI_INTR idx	: 0x01 (INTB#)

 1111 21:34:43.851887  	INT_LINE	: 0x4 (IRQ 4)

 1112 21:34:43.856057  PCI IRQ: Found device 0:02.04 using PIN A

 1113 21:34:43.859907  	Found this device in pirq_data table entry 3

 1114 21:34:43.862209  	Orig INT_PIN	: 1 (PIN A)

 1115 21:34:43.865014  	PCI_INTR idx	: 0x03 (INTD#)

 1116 21:34:43.867201  	INT_LINE	: 0x7 (IRQ 7)

 1117 21:34:43.870936  PCI IRQ: Found device 0:08.00 using PIN A

 1118 21:34:43.875617  PCI Devfn (0x40) not found in pirq_data table

 1119 21:34:43.878839  PCI IRQ: Found device 0:10.00 using PIN A

 1120 21:34:43.882662  	Found this device in pirq_data table entry 10

 1121 21:34:43.885325  	Orig INT_PIN	: 1 (PIN A)

 1122 21:34:43.888025  	PCI_INTR idx	: 0x34 (XHCI)

 1123 21:34:43.889926  	INT_LINE	: 0x4 (IRQ 4)

 1124 21:34:43.893732  PCI IRQ: Found device 0:12.00 using PIN A

 1125 21:34:43.897832  	Found this device in pirq_data table entry 9

 1126 21:34:43.900075  	Orig INT_PIN	: 1 (PIN A)

 1127 21:34:43.902890  	PCI_INTR idx	: 0x30 (EHCI)

 1128 21:34:43.904869  	INT_LINE	: 0x5 (IRQ 5)

 1129 21:34:43.908594  PCI IRQ: Found device 0:14.07 using PIN A

 1130 21:34:43.912975  	Found this device in pirq_data table entry 6

 1131 21:34:43.914755  	Orig INT_PIN	: 1 (PIN A)

 1132 21:34:43.917243  	PCI_INTR idx	: 0x17 (SD)

 1133 21:34:43.919161  	INT_LINE	: 0x3 (IRQ 3)

 1134 21:34:43.923028  PCI IRQ: Found device 2:00.00 using PIN A

 1135 21:34:43.926065  	With INT_PIN swizzled to PIN A

 1136 21:34:43.929742  	Attached to bridge device 0:02h.04h

 1137 21:34:43.933616  	Found this device in pirq_data table entry 3

 1138 21:34:43.936247  	Orig INT_PIN	: 1 (PIN A)

 1139 21:34:43.938994  	PCI_INTR idx	: 0x03 (INTD#)

 1140 21:34:43.940864  	INT_LINE	: 0x7 (IRQ 7)

 1141 21:34:43.945035  PCI IRQ: Found device 1:00.00 using PIN A

 1142 21:34:43.947326  	With INT_PIN swizzled to PIN A

 1143 21:34:43.951612  	Attached to bridge device 0:02h.02h

 1144 21:34:43.955101  	Found this device in pirq_data table entry 1

 1145 21:34:43.957421  	Orig INT_PIN	: 1 (PIN A)

 1146 21:34:43.960248  	PCI_INTR idx	: 0x01 (INTB#)

 1147 21:34:43.962195  	INT_LINE	: 0x4 (IRQ 4)

 1148 21:34:43.968035  PCI_CFG IRQ: Finished writing PCI config space IRQ assignments

 1149 21:34:43.969346  POST: 0x74

 1150 21:34:43.970128  Enabling resources...

 1151 21:34:43.973623  agesawrapper_amdinitmid() entry

 1152 21:34:43.981604  agesawrapper_amdinitmid() returned AGESA_SUCCESS

 1153 21:34:43.985285  PCI: 00:00.0 subsystem <- 1022/1576

 1154 21:34:43.987571  PCI: 00:00.0 cmd <- 04

 1155 21:34:43.989972  PCI: 00:01.0 subsystem <- 1002/98e4

 1156 21:34:43.992309  PCI: 00:01.0 cmd <- 07

 1157 21:34:43.995630  PCI: 00:01.1 subsystem <- 1002/15b3

 1158 21:34:43.997619  PCI: 00:01.1 cmd <- 02

 1159 21:34:44.001001  PCI: 00:02.0 subsystem <- 1022/157b

 1160 21:34:44.002997  PCI: 00:02.0 cmd <- 00

 1161 21:34:44.006496  PCI: 00:02.2 bridge ctrl <- 0003

 1162 21:34:44.008483  PCI: 00:02.2 cmd <- 06

 1163 21:34:44.011802  PCI: 00:02.4 bridge ctrl <- 0003

 1164 21:34:44.012953  PCI: 00:02.4 cmd <- 06

 1165 21:34:44.015268  PCI: 00:03.0 cmd <- 00

 1166 21:34:44.018688  PCI: 00:08.0 subsystem <- 1022/1578

 1167 21:34:44.021430  PCI: 00:08.0 cmd <- 06

 1168 21:34:44.024600  PCI: 00:09.0 subsystem <- 1022/157d

 1169 21:34:44.026880  PCI: 00:09.0 cmd <- 00

 1170 21:34:44.030437  PCI: 00:10.0 subsystem <- 1022/7914

 1171 21:34:44.031443  PCI: 00:10.0 cmd <- 02

 1172 21:34:44.034548  PCI: 00:12.0 subsystem <- 1022/7908

 1173 21:34:44.036628  PCI: 00:12.0 cmd <- 02

 1174 21:34:44.039986  PCI: 00:14.0 subsystem <- 1022/790b

 1175 21:34:44.042262  PCI: 00:14.0 cmd <- 403

 1176 21:34:44.045444  PCI: 00:14.3 subsystem <- 1022/790e

 1177 21:34:44.048200  PCI: 00:14.3 cmd <- 0f

 1178 21:34:44.053332  Southbridge LPC decode:PNP: 0c09.0, base=0x00000800, end=0x000009fe

 1179 21:34:44.055254  Covered by wideIO 0

 1180 21:34:44.058668  PCI: 00:14.7 subsystem <- 1022/7906

 1181 21:34:44.060667  PCI: 00:14.7 cmd <- 06

 1182 21:34:44.063047  PCI: 00:18.0 cmd <- 00

 1183 21:34:44.066136  PCI: 00:18.1 subsystem <- 1022/15b1

 1184 21:34:44.068097  PCI: 00:18.1 cmd <- 00

 1185 21:34:44.071601  PCI: 00:18.2 subsystem <- 1022/15b2

 1186 21:34:44.073382  PCI: 00:18.2 cmd <- 00

 1187 21:34:44.077121  PCI: 00:18.3 subsystem <- 1022/15b3

 1188 21:34:44.078700  PCI: 00:18.3 cmd <- 00

 1189 21:34:44.082796  PCI: 00:18.4 subsystem <- 1022/15b4

 1190 21:34:44.084287  PCI: 00:18.4 cmd <- 00

 1191 21:34:44.087288  PCI: 00:18.5 subsystem <- 1022/15b5

 1192 21:34:44.089441  PCI: 00:18.5 cmd <- 00

 1193 21:34:44.091495  PCI: 01:00.0 cmd <- 02

 1194 21:34:44.094887  PCI: 02:00.0 subsystem <- 1217/8620

 1195 21:34:44.096941  PCI: 02:00.0 cmd <- 06

 1196 21:34:44.098551  done.

 1197 21:34:44.103917  BS: BS_DEV_ENABLE times (us): entry 279587 run 130670 exit 0

 1198 21:34:44.105070  POST: 0x75

 1199 21:34:44.106961  Initializing devices...

 1200 21:34:44.110049  Root Device init ...

 1201 21:34:44.113643  Root Device init finished in 1948 usecs

 1202 21:34:44.113723  POST: 0x75

 1203 21:34:44.115931  CPU_CLUSTER: 0 init ...

 1204 21:34:44.119089  MTRR: Physical address space:

 1205 21:34:44.124556  0x0000000000000000 - 0x00000000000a0000 size 0x000a0000 type 6

 1206 21:34:44.129806  0x00000000000a0000 - 0x00000000000c0000 size 0x00020000 type 0

 1207 21:34:44.135960  0x00000000000c0000 - 0x00000000d0000000 size 0xcff40000 type 6

 1208 21:34:44.141316  0x00000000d0000000 - 0x00000000f0000000 size 0x20000000 type 0

 1209 21:34:44.147936  0x00000000f0000000 - 0x00000000f4800000 size 0x04800000 type 1

 1210 21:34:44.152136  0x00000000f4800000 - 0x0000000100000000 size 0x0b800000 type 0

 1211 21:34:44.157781  0x0000000100000000 - 0x000000012f000000 size 0x2f000000 type 6

 1212 21:34:44.161012  MTRR: Fixed MSR 0x250 0x1e1e1e1e1e1e1e1e

 1213 21:34:44.166163  MTRR: Fixed MSR 0x258 0x1e1e1e1e1e1e1e1e

 1214 21:34:44.168876  MTRR: Fixed MSR 0x259 0x0000000000000000

 1215 21:34:44.172494  MTRR: Fixed MSR 0x268 0x1e1e1e1e1e1e1e1e

 1216 21:34:44.176681  MTRR: Fixed MSR 0x269 0x1e1e1e1e1e1e1e1e

 1217 21:34:44.179336  MTRR: Fixed MSR 0x26a 0x1e1e1e1e1e1e1e1e

 1218 21:34:44.183534  MTRR: Fixed MSR 0x26b 0x1e1e1e1e1e1e1e1e

 1219 21:34:44.187380  MTRR: Fixed MSR 0x26c 0x1e1e1e1e1e1e1e1e

 1220 21:34:44.191071  MTRR: Fixed MSR 0x26d 0x1e1e1e1e1e1e1e1e

 1221 21:34:44.195321  MTRR: Fixed MSR 0x26e 0x1e1e1e1e1e1e1e1e

 1222 21:34:44.198038  MTRR: Fixed MSR 0x26f 0x1e1e1e1e1e1e1e1e

 1223 21:34:44.200651  call enable_fixed_mtrr()

 1224 21:34:44.203756  CPU physical address size: 48 bits

 1225 21:34:44.207673  MTRR: default type WB/UC MTRR counts: 8/6.

 1226 21:34:44.210831  MTRR: UC selected as default type.

 1227 21:34:44.215557  MTRR: 0 base 0x0000000000000000 mask 0x0000ffff80000000 type 6

 1228 21:34:44.222148  MTRR: 1 base 0x0000000080000000 mask 0x0000ffffc0000000 type 6

 1229 21:34:44.226931  MTRR: 2 base 0x00000000c0000000 mask 0x0000fffff0000000 type 6

 1230 21:34:44.233233  MTRR: 3 base 0x00000000f0000000 mask 0x0000fffffc000000 type 1

 1231 21:34:44.238144  MTRR: 4 base 0x00000000f4000000 mask 0x0000ffffff800000 type 1

 1232 21:34:44.243535  MTRR: 5 base 0x0000000100000000 mask 0x0000ffffc0000000 type 6

 1233 21:34:44.244742  

 1234 21:34:44.244815  MTRR check

 1235 21:34:44.247360  Fixed MTRRs   : Enabled

 1236 21:34:44.249344  Variable MTRRs: Enabled

 1237 21:34:44.249656  

 1238 21:34:44.250455  POST: 0x93

 1239 21:34:44.252745  Will perform SMM setup.

 1240 21:34:44.257647  CPU: AMD A4-9120C RADEON R4, 5 COMPUTE CORES 2C+3G  .

 1241 21:34:44.264843  Loading module at 00030000 with entry 00030000. filesize: 0x170 memsize: 0x170

 1242 21:34:44.268835  Processing 16 relocs. Offset value of 0x00030000

 1243 21:34:44.271156  Attempting to start 1 APs

 1244 21:34:44.274333  Waiting for 10ms after sending INIT.

 1245 21:34:44.289389  Waiting for 1st SIPI to complete...AP: slot 1 apic_id 11.

 1246 21:34:44.290652  done.

 1247 21:34:44.294238  Waiting for 2nd SIPI to complete...done.

 1248 21:34:44.301436  Loading module at 00038000 with entry 00038000. filesize: 0x1a8 memsize: 0x1a8

 1249 21:34:44.305942  Processing 13 relocs. Offset value of 0x00038000

 1250 21:34:44.310965  SMM Module: stub loaded at 00038000. Will call cdeb995b(00000000)

 1251 21:34:44.314354  Installing SMM handler to 0xce800000

 1252 21:34:44.323263  Loading module at ce810000 with entry ce81142b. filesize: 0x6c98 memsize: 0xad18

 1253 21:34:44.328229  Processing 481 relocs. Offset value of 0xce810000

 1254 21:34:44.335219  Loading module at ce808000 with entry ce808000. filesize: 0x1a8 memsize: 0x1a8

 1255 21:34:44.338680  Processing 13 relocs. Offset value of 0xce808000

 1256 21:34:44.344526  SMM Module: placing jmp sequence at ce807e00 rel16 0x01fd

 1257 21:34:44.349496  SMM Module: stub loaded at ce808000. Will call ce81142b(00000000)

 1258 21:34:44.351811  New SMBASE 0xce800000

 1259 21:34:44.354116  Relocation complete.

 1260 21:34:44.355697  New SMBASE 0xce7ffe00

 1261 21:34:44.357827  Relocation complete.

 1262 21:34:44.360060  Initializing CPU #0

 1263 21:34:44.362707  CPU: vendor AMD device 670f00

 1264 21:34:44.365698  CPU: family 15, model 70, stepping 00

 1265 21:34:44.369919  Setting up local APIC... apic_id: 0x10 done.

 1266 21:34:44.372732  CPU #0 initialized

 1267 21:34:44.373071  Initializing CPU #1

 1268 21:34:44.376530  CPU: vendor AMD device 670f00

 1269 21:34:44.379544  CPU: family 15, model 70, stepping 00

 1270 21:34:44.383572  Setting up local APIC... apic_id: 0x11 done.

 1271 21:34:44.384944  CPU #1 initialized

 1272 21:34:44.389490  bsp_do_flight_plan done after 91 msecs.

 1273 21:34:44.393302  MTRR: TEMPORARY Physical address space:

 1274 21:34:44.398674  0x0000000000000000 - 0x00000000000a0000 size 0x000a0000 type 6

 1275 21:34:44.403817  0x00000000000a0000 - 0x00000000000c0000 size 0x00020000 type 0

 1276 21:34:44.409401  0x00000000000c0000 - 0x00000000d0000000 size 0xcff40000 type 6

 1277 21:34:44.414615  0x00000000d0000000 - 0x00000000ff000000 size 0x2f000000 type 0

 1278 21:34:44.420580  0x00000000ff000000 - 0x0000000100000000 size 0x01000000 type 5

 1279 21:34:44.425997  0x0000000100000000 - 0x000000012f000000 size 0x2f000000 type 6

 1280 21:34:44.429468  MTRR: default type WB/UC MTRR counts: 7/5.

 1281 21:34:44.433303  MTRR: UC selected as default type.

 1282 21:34:44.438467  MTRR: 0 base 0x0000000000000000 mask 0x0000ffff80000000 type 6

 1283 21:34:44.443830  MTRR: 1 base 0x0000000080000000 mask 0x0000ffffc0000000 type 6

 1284 21:34:44.449900  MTRR: 2 base 0x00000000c0000000 mask 0x0000fffff0000000 type 6

 1285 21:34:44.455376  MTRR: 3 base 0x00000000ff000000 mask 0x0000ffffff000000 type 5

 1286 21:34:44.460601  MTRR: 4 base 0x0000000100000000 mask 0x0000ffffc0000000 type 6

 1287 21:34:44.464565  CPU_CLUSTER: 0 init finished in 346107 usecs

 1288 21:34:44.465957  POST: 0x75

 1289 21:34:44.466715  POST: 0x75

 1290 21:34:44.467909  POST: 0x75

 1291 21:34:44.469049  POST: 0x75

 1292 21:34:44.470229  POST: 0x75

 1293 21:34:44.471394  POST: 0x75

 1294 21:34:44.472098  POST: 0x75

 1295 21:34:44.474008  POST: 0x75

 1296 21:34:44.475213  PCI: 00:00.0 init ...

 1297 21:34:44.479043  PCI: 00:00.0 init finished in 2003 usecs

 1298 21:34:44.479728  POST: 0x75

 1299 21:34:44.480936  POST: 0x75

 1300 21:34:44.483903  PCI: 00:01.0 init ...

 1301 21:34:44.488855  CBFS: 'Master Header Locator' located CBFS at [df0000:ffffc0)

 1302 21:34:44.491665  CBFS: Locating 'pci1002,98e4.rom'

 1303 21:34:44.495893  CBFS: Found @ offset 92c00 size fe00

 1304 21:34:44.499043  Mapping PCI device 100298e4 to 100298e0

 1305 21:34:44.503287  In CBFS, ROM address for PCI: 00:01.0 = ffe82c48

 1306 21:34:44.509768  PCI expansion ROM, signature 0xaa55, INIT size 0xfe00, data ptr 0x01c0

 1307 21:34:44.513795  PCI ROM image, vendor ID 1002, device ID 98e0,

 1308 21:34:44.518115  PCI ROM image, Class Code 030000, Code Type 00

 1309 21:34:44.523148  Copying VGA ROM Image from ffe82c48 to 0xc0000, 0xfe00 bytes

 1310 21:34:44.531910  Real mode stub @00000600: 867 bytes

 1311 21:34:44.534058  Calling Option ROM...

 1312 21:34:44.557400  ... Option ROM returned.

 1313 21:34:44.560466  VBE: Getting information about VESA mode 41d2

 1314 21:34:44.563427  VBE: resolution:  1366x768@16

 1315 21:34:44.565872  VBE: framebuffer: f0000000

 1316 21:34:44.568269  VBE: Setting VESA mode 41d2

 1317 21:34:44.594808  VGA Option ROM was run

 1318 21:34:44.597912  PCI: 00:01.0 init finished in 112267 usecs

 1319 21:34:44.598639  POST: 0x75

 1320 21:34:44.600839  PCI: 00:01.1 init ...

 1321 21:34:44.604686  PCI: 00:01.1 init finished in 2003 usecs

 1322 21:34:44.605956  POST: 0x75

 1323 21:34:44.607426  PCI: 00:02.0 init ...

 1324 21:34:44.611448  PCI: 00:02.0 init finished in 2002 usecs

 1325 21:34:44.612900  POST: 0x75

 1326 21:34:44.612981  POST: 0x75

 1327 21:34:44.614172  POST: 0x75

 1328 21:34:44.614915  POST: 0x75

 1329 21:34:44.616524  POST: 0x75

 1330 21:34:44.617363  POST: 0x75

 1331 21:34:44.620022  PCI: 00:03.0 init ...

 1332 21:34:44.623006  PCI: 00:03.0 init finished in 2002 usecs

 1333 21:34:44.624795  POST: 0x75

 1334 21:34:44.626244  PCI: 00:08.0 init ...

 1335 21:34:44.629920  PCI: 00:08.0 init finished in 2002 usecs

 1336 21:34:44.631509  POST: 0x75

 1337 21:34:44.634006  PCI: 00:09.0 init ...

 1338 21:34:44.637572  PCI: 00:09.0 init finished in 2002 usecs

 1339 21:34:44.637654  POST: 0x75

 1340 21:34:44.639424  POST: 0x75

 1341 21:34:44.640761  PCI: 00:10.0 init ...

 1342 21:34:44.646576  PCI: 00:10.0 init finished in 2002 usecs

 1343 21:34:44.646654  POST: 0x75

 1344 21:34:44.646717  POST: 0x75

 1345 21:34:44.648733  PCI: 00:12.0 init ...

 1346 21:34:44.652537  PCI: 00:12.0 init finished in 2002 usecs

 1347 21:34:44.653259  POST: 0x75

 1348 21:34:44.655621  PCI: 00:14.0 init ...

 1349 21:34:44.659459  IOAPIC: Initializing IOAPIC at 0xfec00000

 1350 21:34:44.662925  IOAPIC: Bootstrap Processor Local APIC = 0x10

 1351 21:34:44.665251  IOAPIC: ID = 0x04

 1352 21:34:44.667682  IOAPIC: Dumping registers

 1353 21:34:44.669666    reg 0x0000: 0x04000000

 1354 21:34:44.671847    reg 0x0001: 0x00178021

 1355 21:34:44.674543    reg 0x0002: 0x04000000

 1356 21:34:44.676279  IOAPIC: 24 interrupts

 1357 21:34:44.679280  IOAPIC: Enabling interrupts on FSB

 1358 21:34:44.684108  IOAPIC: reg 0x00000000 value 0x10000000 0x00000700

 1359 21:34:44.689323  IOAPIC: reg 0x00000001 value 0x00000000 0x00010000

 1360 21:34:44.692634  IOAPIC: reg 0x00000002 value 0x00000000 0x00010000

 1361 21:34:44.698884  IOAPIC: reg 0x00000003 value 0x00000000 0x00010000

 1362 21:34:44.701977  IOAPIC: reg 0x00000004 value 0x00000000 0x00010000

 1363 21:34:44.706639  IOAPIC: reg 0x00000005 value 0x00000000 0x00010000

 1364 21:34:44.710964  IOAPIC: reg 0x00000006 value 0x00000000 0x00010000

 1365 21:34:44.715248  IOAPIC: reg 0x00000007 value 0x00000000 0x00010000

 1366 21:34:44.720303  IOAPIC: reg 0x00000008 value 0x00000000 0x00010000

 1367 21:34:44.724389  IOAPIC: reg 0x00000009 value 0x00000000 0x00010000

 1368 21:34:44.729206  IOAPIC: reg 0x0000000a value 0x00000000 0x00010000

 1369 21:34:44.733698  IOAPIC: reg 0x0000000b value 0x00000000 0x00010000

 1370 21:34:44.737900  IOAPIC: reg 0x0000000c value 0x00000000 0x00010000

 1371 21:34:44.742515  IOAPIC: reg 0x0000000d value 0x00000000 0x00010000

 1372 21:34:44.747412  IOAPIC: reg 0x0000000e value 0x00000000 0x00010000

 1373 21:34:44.752394  IOAPIC: reg 0x0000000f value 0x00000000 0x00010000

 1374 21:34:44.756216  IOAPIC: reg 0x00000010 value 0x00000000 0x00010000

 1375 21:34:44.760832  IOAPIC: reg 0x00000011 value 0x00000000 0x00010000

 1376 21:34:44.764848  IOAPIC: reg 0x00000012 value 0x00000000 0x00010000

 1377 21:34:44.770519  IOAPIC: reg 0x00000013 value 0x00000000 0x00010000

 1378 21:34:44.774389  IOAPIC: reg 0x00000014 value 0x00000000 0x00010000

 1379 21:34:44.779076  IOAPIC: reg 0x00000015 value 0x00000000 0x00010000

 1380 21:34:44.784407  IOAPIC: reg 0x00000016 value 0x00000000 0x00010000

 1381 21:34:44.788587  IOAPIC: reg 0x00000017 value 0x00000000 0x00010000

 1382 21:34:44.791869  PCI: 00:14.0 init finished in 133959 usecs

 1383 21:34:44.792255  POST: 0x75

 1384 21:34:44.794706  PCI: 00:14.3 init ...

 1385 21:34:44.795369  RTC Init

 1386 21:34:44.800318  PCI: 00:14.3 init finished in 2962 usecs

 1387 21:34:44.800400  POST: 0x75

 1388 21:34:44.802646  PCI: 00:14.7 init ...

 1389 21:34:44.806074  PCI: 00:14.7 init finished in 2002 usecs

 1390 21:34:44.806981  POST: 0x75

 1391 21:34:44.809749  PCI: 00:18.0 init ...

 1392 21:34:44.813301  IOAPIC: Initializing IOAPIC at 0xfec20000

 1393 21:34:44.817172  IOAPIC: Bootstrap Processor Local APIC = 0x10

 1394 21:34:44.819572  IOAPIC: ID = 0x05

 1395 21:34:44.821149  IOAPIC: Dumping registers

 1396 21:34:44.823508    reg 0x0000: 0x05000000

 1397 21:34:44.825976    reg 0x0001: 0x001f8021

 1398 21:34:44.828014    reg 0x0002: 0x00000000

 1399 21:34:44.829808  IOAPIC: 32 interrupts

 1400 21:34:44.832956  IOAPIC: Enabling interrupts on FSB

 1401 21:34:44.837243  IOAPIC: reg 0x00000000 value 0x10000000 0x00000700

 1402 21:34:44.842220  IOAPIC: reg 0x00000001 value 0x00000000 0x00010000

 1403 21:34:44.846877  IOAPIC: reg 0x00000002 value 0x00000000 0x00010000

 1404 21:34:44.851840  IOAPIC: reg 0x00000003 value 0x00000000 0x00010000

 1405 21:34:44.855732  IOAPIC: reg 0x00000004 value 0x00000000 0x00010000

 1406 21:34:44.861165  IOAPIC: reg 0x00000005 value 0x00000000 0x00010000

 1407 21:34:44.865540  IOAPIC: reg 0x00000006 value 0x00000000 0x00010000

 1408 21:34:44.869067  IOAPIC: reg 0x00000007 value 0x00000000 0x00010000

 1409 21:34:44.873742  IOAPIC: reg 0x00000008 value 0x00000000 0x00010000

 1410 21:34:44.879040  IOAPIC: reg 0x00000009 value 0x00000000 0x00010000

 1411 21:34:44.882420  IOAPIC: reg 0x0000000a value 0x00000000 0x00010000

 1412 21:34:44.887424  IOAPIC: reg 0x0000000b value 0x00000000 0x00010000

 1413 21:34:44.892289  IOAPIC: reg 0x0000000c value 0x00000000 0x00010000

 1414 21:34:44.896676  IOAPIC: reg 0x0000000d value 0x00000000 0x00010000

 1415 21:34:44.900584  IOAPIC: reg 0x0000000e value 0x00000000 0x00010000

 1416 21:34:44.905283  IOAPIC: reg 0x0000000f value 0x00000000 0x00010000

 1417 21:34:44.909970  IOAPIC: reg 0x00000010 value 0x00000000 0x00010000

 1418 21:34:44.913870  IOAPIC: reg 0x00000011 value 0x00000000 0x00010000

 1419 21:34:44.918873  IOAPIC: reg 0x00000012 value 0x00000000 0x00010000

 1420 21:34:44.923847  IOAPIC: reg 0x00000013 value 0x00000000 0x00010000

 1421 21:34:44.927668  IOAPIC: reg 0x00000014 value 0x00000000 0x00010000

 1422 21:34:44.932375  IOAPIC: reg 0x00000015 value 0x00000000 0x00010000

 1423 21:34:44.936843  IOAPIC: reg 0x00000016 value 0x00000000 0x00010000

 1424 21:34:44.941348  IOAPIC: reg 0x00000017 value 0x00000000 0x00010000

 1425 21:34:44.946016  IOAPIC: reg 0x00000018 value 0x00000000 0x00010000

 1426 21:34:44.950384  IOAPIC: reg 0x00000019 value 0x00000000 0x00010000

 1427 21:34:44.955498  IOAPIC: reg 0x0000001a value 0x00000000 0x00010000

 1428 21:34:44.959727  IOAPIC: reg 0x0000001b value 0x00000000 0x00010000

 1429 21:34:44.963950  IOAPIC: reg 0x0000001c value 0x00000000 0x00010000

 1430 21:34:44.969704  IOAPIC: reg 0x0000001d value 0x00000000 0x00010000

 1431 21:34:44.974043  IOAPIC: reg 0x0000001e value 0x00000000 0x00010000

 1432 21:34:44.978054  IOAPIC: reg 0x0000001f value 0x00000000 0x00010000

 1433 21:34:44.981414  PCI: 00:18.0 init finished in 170070 usecs

 1434 21:34:44.983003  POST: 0x75

 1435 21:34:44.984748  PCI: 00:18.1 init ...

 1436 21:34:44.988809  PCI: 00:18.1 init finished in 2002 usecs

 1437 21:34:44.990495  POST: 0x75

 1438 21:34:44.991782  PCI: 00:18.2 init ...

 1439 21:34:44.994842  PCI: 00:18.2 init finished in 2002 usecs

 1440 21:34:44.997240  POST: 0x75

 1441 21:34:44.998628  PCI: 00:18.3 init ...

 1442 21:34:45.001602  PCI: 00:18.3 init finished in 2002 usecs

 1443 21:34:45.002696  POST: 0x75

 1444 21:34:45.004642  PCI: 00:18.4 init ...

 1445 21:34:45.008080  PCI: 00:18.4 init finished in 2002 usecs

 1446 21:34:45.009098  POST: 0x75

 1447 21:34:45.012285  PCI: 00:18.5 init ...

 1448 21:34:45.014888  PCI: 00:18.5 init finished in 2002 usecs

 1449 21:34:45.015985  POST: 0x75

 1450 21:34:45.018648  PCI: 01:00.0 init ...

 1451 21:34:45.021758  PCI: 01:00.0 init finished in 2002 usecs

 1452 21:34:45.022945  POST: 0x75

 1453 21:34:45.024857  PCI: 02:00.0 init ...

 1454 21:34:45.029617  BayHub BH720: Power-saving enabled (link_ctrl=0x110103)

 1455 21:34:45.033925  PCI: 02:00.0 init finished in 7127 usecs

 1456 21:34:45.034682  POST: 0x75

 1457 21:34:45.036651  PNP: 0c09.0 init ...

 1458 21:34:45.041280  Google Chrome EC: Hello got back 11223344 status (0)

 1459 21:34:45.044591  Google Chrome EC: version:

 1460 21:34:45.048297      ro: careena_v2.0.11488-7215d6e0e4

 1461 21:34:45.052261      rw: careena_v2.0.11488-7215d6e0e4

 1462 21:34:45.052964    running image: 1

 1463 21:34:45.057433  Google Chrome EC uptime: 5.647 seconds

 1464 21:34:45.060911  Google Chrome AP resets since EC boot: 0

 1465 21:34:45.065050  Google Chrome most recent AP reset causes:

 1466 21:34:45.071097  Google Chrome EC reset flags at last EC boot: reset-pin

 1467 21:34:45.073467  PNP: 0c09.0 init finished in 34984 usecs

 1468 21:34:45.074647  POST: 0x75

 1469 21:34:45.075842  POST: 0x75

 1470 21:34:45.077388  POST: 0x75

 1471 21:34:45.077742  POST: 0x75

 1472 21:34:45.078848  POST: 0x75

 1473 21:34:45.079691  POST: 0x75

 1474 21:34:45.080922  POST: 0x75

 1475 21:34:45.083242  Devices initialized

 1476 21:34:45.085516  Show all devs... After init.

 1477 21:34:45.087531  Root Device: enabled 1

 1478 21:34:45.089893  CPU_CLUSTER: 0: enabled 1

 1479 21:34:45.092922  DOMAIN: 0000: enabled 1

 1480 21:34:45.094992  MMIO: fedc2000: enabled 1

 1481 21:34:45.098550  MMIO: fedc3000: enabled 1

 1482 21:34:45.099352  MMIO: fedc4000: enabled 1

 1483 21:34:45.102780  MMIO: fedc5000: enabled 1

 1484 21:34:45.103427  APIC: 10: enabled 1

 1485 21:34:45.106953  PCI: 00:00.0: enabled 1

 1486 21:34:45.108233  PCI: 00:00.2: enabled 0

 1487 21:34:45.110441  PCI: 00:01.0: enabled 1

 1488 21:34:45.112068  PCI: 00:01.1: enabled 1

 1489 21:34:45.114386  PCI: 00:02.0: enabled 1

 1490 21:34:45.116405  PCI: 00:02.1: enabled 0

 1491 21:34:45.118534  PCI: 00:02.2: enabled 1

 1492 21:34:45.121134  PCI: 00:02.3: enabled 0

 1493 21:34:45.122910  PCI: 00:02.4: enabled 1

 1494 21:34:45.125731  PCI: 00:02.5: enabled 0

 1495 21:34:45.127557  PCI: 00:08.0: enabled 1

 1496 21:34:45.129577  PCI: 00:09.0: enabled 1

 1497 21:34:45.131867  PCI: 00:09.2: enabled 0

 1498 21:34:45.134193  PCI: 00:10.0: enabled 1

 1499 21:34:45.136176  PCI: 00:11.0: enabled 0

 1500 21:34:45.138512  PCI: 00:12.0: enabled 1

 1501 21:34:45.141274  PCI: 00:14.0: enabled 1

 1502 21:34:45.144067  PCI: 00:14.3: enabled 1

 1503 21:34:45.145498  PCI: 00:14.7: enabled 1

 1504 21:34:45.148996  PCI: 00:18.0: enabled 1

 1505 21:34:45.149344  PCI: 00:18.1: enabled 1

 1506 21:34:45.153235  PCI: 00:18.2: enabled 1

 1507 21:34:45.154355  PCI: 00:18.3: enabled 1

 1508 21:34:45.155800  PCI: 00:18.4: enabled 1

 1509 21:34:45.157962  PCI: 00:18.5: enabled 1

 1510 21:34:45.160336  GENERIC: 0.0: enabled 1

 1511 21:34:45.162266  I2C: 01:1a: enabled 1

 1512 21:34:45.164293  GENERIC: 0.1: enabled 1

 1513 21:34:45.166436  I2C: 02:50: enabled 1

 1514 21:34:45.168643  I2C: 03:15: enabled 1

 1515 21:34:45.170748  I2C: 04:39: enabled 1

 1516 21:34:45.172473  I2C: 04:10: enabled 1

 1517 21:34:45.174604  PCI: 02:00.0: enabled 1

 1518 21:34:45.177818  PNP: 0c09.0: enabled 1

 1519 21:34:45.178961  PCI: 00:03.0: enabled 1

 1520 21:34:45.182460  PCI: 01:00.0: enabled 1

 1521 21:34:45.182892  APIC: 11: enabled 1

 1522 21:34:45.187912  BS: BS_DEV_INIT times (us): entry 0 run 1076976 exit 150

 1523 21:34:45.194131  ELOG: Event(A1) added with size 10 at 2024-03-06 21:34:44 UTC

 1524 21:34:45.201597  elog_add_boot_reason: Logged recovery mode boot (Dev-switch on), reason: 0x1b

 1525 21:34:45.205958  ELOG: Event(A0) added with size 9 at 2024-03-06 21:34:44 UTC

 1526 21:34:45.210278  elog_add_boot_reason: Logged dev mode boot

 1527 21:34:45.211421  POST: 0x76

 1528 21:34:45.212949  Finalize devices...

 1529 21:34:45.214540  Devices finalized

 1530 21:34:45.219112  FMAP: area RW_NVRAM found @ 467000 (20480 bytes)

 1531 21:34:45.222647  agesawrapper_amdinitlate() entry

 1532 21:34:45.240596  DmiTable:cdfbd4a3, AcpiPstatein: cdfbc2b9, AcpiSrat:00000000,AcpiSlit:00000000, Mce:cdfbd327, Cmc:cdfbd3e9,Alib:cdfbe586, AcpiIvrs:00000000 in agesawrapper_amdinitlate

 1533 21:34:45.245781  agesawrapper_amdinitlate() returned AGESA_SUCCESS

 1534 21:34:45.247754  agesawrapper_amdinitrtb() entry

 1535 21:34:45.253094  agesawrapper_amdinitrtb() returned AGESA_SUCCESS

 1536 21:34:45.258164  BS: BS_POST_DEVICE times (us): entry 22182 run 4547 exit 37877

 1537 21:34:45.263294  FMAP: area RW_MRC_CACHE found @ 0 (65536 bytes)

 1538 21:34:45.267491  MRC: Checking cached data update for 'RW_MRC_CACHE'.

 1539 21:34:45.271733  MRC: cache data 'RW_MRC_CACHE' needs update.

 1540 21:34:45.287688  ELOG: Event(AA) added with size 11 at 2024-03-06 21:34:44 UTC

 1541 21:34:45.289239  POST: 0x77

 1542 21:34:45.294397  BS: BS_OS_RESUME_CHECK times (us): entry 29687 run 1061 exit 0

 1543 21:34:45.295494  POST: 0x79

 1544 21:34:45.299420  POST: 0x9c

 1545 21:34:45.302561  CBFS: 'Master Header Locator' located CBFS at [df0000:ffffc0)

 1546 21:34:45.305601  CBFS: Locating 'fallback/dsdt.aml'

 1547 21:34:45.310385  CBFS: Found @ offset a6cc0 size 3b94

 1548 21:34:45.314808  CBFS: 'Master Header Locator' located CBFS at [df0000:ffffc0)

 1549 21:34:45.317062  CBFS: Locating 'fallback/slic'

 1550 21:34:45.320119  CBFS: 'fallback/slic' not found.

 1551 21:34:45.324029  ACPI: Writing ACPI tables at cde2e000.

 1552 21:34:45.325922  ACPI:    * FACS

 1553 21:34:45.327160  ACPI:    * DSDT

 1554 21:34:45.329746  Ramoops buffer: 0x100000@0xcdd2e000.

 1555 21:34:45.333239  ACPI:    * FADT

 1556 21:34:45.335133  pm_base: 0x0400

 1557 21:34:45.337444  ACPI: added table 1/32, length now 40

 1558 21:34:45.339378  ACPI:     * SSDT

 1559 21:34:45.341909  ACPI \_PR report 2 core(s)

 1560 21:34:45.345257  dw_i2c: bad counts. hcnt = -1 lcnt = 9

 1561 21:34:45.350453  dw_i2c: bad counts. hcnt = -1 lcnt = 13

 1562 21:34:45.352468  dw_i2c: bad counts. hcnt = -13 lcnt = 11

 1563 21:34:45.358011  dw_i2c: bad counts. hcnt = -7 lcnt = 16

 1564 21:34:45.361569  CBFS: 'Master Header Locator' located CBFS at [df0000:ffffc0)

 1565 21:34:45.364231  CBFS: Locating 'pci1002,98e4.rom'

 1566 21:34:45.369056  CBFS: Found @ offset 92c00 size fe00

 1567 21:34:45.371799  Mapping PCI device 100298e4 to 100298e0

 1568 21:34:45.375663  In CBFS, ROM address for PCI: 00:01.0 = ffe82c48

 1569 21:34:45.381876  PCI expansion ROM, signature 0xaa55, INIT size 0xfe00, data ptr 0x01c0

 1570 21:34:45.386473  PCI ROM image, vendor ID 1002, device ID 98e0,

 1571 21:34:45.390462  PCI ROM image, Class Code 030000, Code Type 00

 1572 21:34:45.399128  \_SB.I2CA.ADAU: Analog Digital DMIC

 1573 21:34:45.406077  \_SB.I2CA.DLG7: Dialog Semiconductor DA7219 Audio Codec address 01ah irq 0

 1574 21:34:45.410337  \_SB.I2CA.MAXM: Maxim Integrated 98357A Amplifier

 1575 21:34:45.413433  \_SB.I2CB.TPMI: I2C TPM at I2C: 02:50

 1576 21:34:45.417492  \_SB.I2CC.D015: ELAN Touchpad at I2C: 03:15

 1577 21:34:45.422208  \_SB.I2CD.D039: Raydium Touchscreen at I2C: 04:39

 1578 21:34:45.426034  \_SB.I2CD.D010: ELAN Touchscreen at I2C: 04:10

 1579 21:34:45.430226  ACPI: added table 2/32, length now 44

 1580 21:34:45.431336  ACPI:    * MCFG

 1581 21:34:45.434717  ACPI: added table 3/32, length now 48

 1582 21:34:45.436231  ACPI:    * TCPA

 1583 21:34:45.440093  TCPA log created at cdd0e000

 1584 21:34:45.443106  ACPI: added table 4/32, length now 52

 1585 21:34:45.443882  ACPI:    * MADT

 1586 21:34:45.446988  ACPI: added table 5/32, length now 56

 1587 21:34:45.448694  current = cde32e10

 1588 21:34:45.454701  CBFS: 'Master Header Locator' located CBFS at [df0000:ffffc0)

 1589 21:34:45.456971  CBFS: Locating 'pci1002,98e4.rom'

 1590 21:34:45.460971  CBFS: Found @ offset 92c00 size fe00

 1591 21:34:45.464107  Mapping PCI device 100298e4 to 100298e0

 1592 21:34:45.468356  In CBFS, ROM address for PCI: 00:01.0 = ffe82c48

 1593 21:34:45.475314  PCI expansion ROM, signature 0xaa55, INIT size 0xfe00, data ptr 0x01c0

 1594 21:34:45.478966  PCI ROM image, vendor ID 1002, device ID 98e0,

 1595 21:34:45.483217  PCI ROM image, Class Code 030000, Code Type 00

 1596 21:34:45.485663  ACPI:    * VFCT at cde32e10

 1597 21:34:45.491449             Copying initialized VBIOS image from 000c0000

 1598 21:34:45.494579  ACPI: added table 6/32, length now 60

 1599 21:34:45.496360  ACPI:    * HPET

 1600 21:34:45.498968  ACPI: added table 7/32, length now 64

 1601 21:34:45.503348  ACPI: added table 8/32, length now 68

 1602 21:34:45.504585  ACPI:    * IVRS at cde42e90

 1603 21:34:45.508575    AGESA IVRS table NULL. Skipping.

 1604 21:34:45.510321  ACPI:    * SRAT at cde42e90

 1605 21:34:45.514378    AGESA SRAT table NULL. Skipping.

 1606 21:34:45.516915  ACPI:   * SLIT at cde42e90

 1607 21:34:45.519586    AGESA SLIT table NULL. Skipping.

 1608 21:34:45.522647  ACPI:  * AGESA ALIB SSDT at cde42e90

 1609 21:34:45.526939  ACPI: added table 9/32, length now 72

 1610 21:34:45.528119  ACPI:    * SSDT at cde479f0

 1611 21:34:45.533707  ACPI: added table 10/32, length now 76

 1612 21:34:45.535600  ACPI:    * SSDT for PState at cde47e2c

 1613 21:34:45.536683  ACPI: done.

 1614 21:34:45.539541  ACPI tables: 106032 bytes.

 1615 21:34:45.541725  smbios_write_tables: cdd0d000

 1616 21:34:45.544526  Create SMBIOS type 17

 1617 21:34:45.546028  SMBIOS tables: 539 bytes.

 1618 21:34:45.550061  Writing table forward entry at 0x00000500

 1619 21:34:45.556220  Wrote coreboot table at: 00000500, 0x10 bytes, checksum 11f9

 1620 21:34:45.558621  Writing coreboot table at 0xcde52000

 1621 21:34:45.564060   0. 0000000000000000-0000000000000fff: CONFIGURATION TABLES

 1622 21:34:45.567998   1. 0000000000001000-000000000009ffff: RAM

 1623 21:34:45.572183   2. 00000000000a0000-00000000000fffff: RESERVED

 1624 21:34:45.576137   3. 0000000000100000-00000000cdd0cfff: RAM

 1625 21:34:45.581900   4. 00000000cdd0d000-00000000cde9efff: CONFIGURATION TABLES

 1626 21:34:45.585344   5. 00000000cde9f000-00000000cdfa0fff: RAMSTAGE

 1627 21:34:45.590869   6. 00000000cdfa1000-00000000cdffffff: CONFIGURATION TABLES

 1628 21:34:45.594993   7. 00000000ce000000-00000000cfffffff: RESERVED

 1629 21:34:45.599038   8. 00000000f8000000-00000000fbffffff: RESERVED

 1630 21:34:45.602839   9. 0000000100000000-000000012effffff: RAM

 1631 21:34:45.605929  Passing 5 GPIOs to payload:

 1632 21:34:45.610522              NAME |       PORT | POLARITY |     VALUE

 1633 21:34:45.615454     write protect |  undefined |     high |       low

 1634 21:34:45.620718          recovery |  undefined |     high |       low

 1635 21:34:45.624724               lid |  undefined |     high |      high

 1636 21:34:45.629434             power |  undefined |     high |       low

 1637 21:34:45.634192          EC in RW | 0x0000000f |     high |       low

 1638 21:34:45.635592  Board ID: 6

 1639 21:34:45.636368  SKU ID: 33

 1640 21:34:45.641742  CBFS: 'Master Header Locator' located CBFS at [df0000:ffffc0)

 1641 21:34:45.648022  Wrote coreboot table at: cde52000, 0x538 bytes, checksum 6ac4

 1642 21:34:45.649558  coreboot table: 1360 bytes.

 1643 21:34:45.652568  IMD ROOT    0. cdfff000 00001000

 1644 21:34:45.656727  IMD SMALL   1. cdffe000 00001000

 1645 21:34:45.658736  CONSOLE     2. cdfde000 00020000

 1646 21:34:45.662288  TIME STAMP  3. cdfdd000 00000910

 1647 21:34:45.664911  VBOOT       4. cdfdc000 00000c0c

 1648 21:34:45.667913  ACPISCRATCH 5. cdfac000 00030000

 1649 21:34:45.670626  ROMSTG STCK 6. cdfab000 00000400

 1650 21:34:45.673744  AFTER CAR   7. cdfa1000 0000a000

 1651 21:34:45.677170  RAMSTAGE    8. cde9e000 00103000

 1652 21:34:45.679862  REFCODE     9. cde6c000 00032000

 1653 21:34:45.682848  ACPI GNVS  10. cde6b000 00001000

 1654 21:34:45.686411  SMM BACKUP 11. cde5b000 00010000

 1655 21:34:45.689060  MRC DATA   12. cde5a000 00000e75

 1656 21:34:45.691709  COREBOOT   13. cde52000 00008000

 1657 21:34:45.694977  ACPI       14. cde2e000 00024000

 1658 21:34:45.698204  RAMOOPS    15. cdd2e000 00100000

 1659 21:34:45.700525  VGA ROM #0 16. cdd1e000 0000fe00

 1660 21:34:45.703472  TCPA TCGLOG17. cdd0e000 00010000

 1661 21:34:45.707185  SMBIOS     18. cdd0d000 00000800

 1662 21:34:45.708219  IMD small region:

 1663 21:34:45.711482    IMD ROOT    0. cdffec00 00000400

 1664 21:34:45.715180    VBOOT SEL   1. cdffebe0 00000008

 1665 21:34:45.718585    EC HOSTEVENT 2. cdffebc0 00000008

 1666 21:34:45.720929    ROMSTAGE    3. cdffeba0 00000004

 1667 21:34:45.725600    VPD         4. cdffeb20 0000006c

 1668 21:34:45.727975    POWER STATE 5. cdffeb00 00000010

 1669 21:34:45.730635    MEM INFO    6. cdffe9a0 00000149

 1670 21:34:45.734504    COREBOOTFWD 7. cdffe960 00000028

 1671 21:34:45.738979  BS: BS_WRITE_TABLES times (us): entry 2 run 438374 exit 0

 1672 21:34:45.739972  POST: 0x7a

 1673 21:34:45.745729  CBFS: 'Master Header Locator' located CBFS at [df0000:ffffc0)

 1674 21:34:45.748419  CBFS: Locating 'fallback/payload'

 1675 21:34:45.752761  CBFS: Found @ offset 1ae180 size 39f90

 1676 21:34:45.756486  Loading segment from ROM address 0xfff9e1b8

 1677 21:34:45.758523    code (compression=0)

 1678 21:34:45.766550    New segment dstaddr 0x30104020 memsize 0x254890 srcaddr 0xfff9e1f0 filesize 0x39f58

 1679 21:34:45.771157  Loading segment from ROM address 0xfff9e1d4

 1680 21:34:45.773004    Entry Point 0x30104020

 1681 21:34:45.781104  Loading Segment: addr: 0x0000000030104020 memsz: 0x0000000000254890 filesz: 0x0000000000039f58

 1682 21:34:45.784880  lb: [0x00000000cde9f000, 0x00000000cdfa09d8)

 1683 21:34:45.793721  Post relocation: addr: 0x0000000030104020 memsz: 0x0000000000254890 filesz: 0x0000000000039f58

 1684 21:34:45.794908  it's not compressed!

 1685 21:34:45.820083  [ 0x30104020, 3013df78, 0x303588b0) <- fff9e1f0

 1686 21:34:45.825359  Clearing Segment: addr: 0x000000003013df78 memsz: 0x000000000021a938

 1687 21:34:45.830462  dest 30104020, end 303588b0, bouncebuffer ffffffff

 1688 21:34:45.831991  Loaded segments

 1689 21:34:45.834395  Lock SMM configuration

 1690 21:34:45.835884  POST: 0xfe

 1691 21:34:45.840538  BS: BS_PAYLOAD_LOAD times (us): entry 230 run 92759 exit 3307

 1692 21:34:45.846236  PSP: Notify that POST is finishing... OK

 1693 21:34:45.846318  POST: 0x7b

 1694 21:34:45.848405  mp_park_aps done after 0 msecs.

 1695 21:34:45.852320  Jumping to boot code at 30104020(cde52000)

 1696 21:34:45.853384  POST: 0xf8

 1697 21:34:45.861063  CPU0: stack: cdeda000 - cdedb000, lowest used address cdeda558, stack used: 2728 bytes

 1698 21:34:45.863982  

 1699 21:34:45.864247  

 1700 21:34:45.864956  

 1701 21:34:45.868283  Starting depthcharge on grunt...

 1702 21:34:45.868363  

 1703 21:34:45.868790  end: 2.2.3 depthcharge-start (duration 00:00:06) [common]
 1704 21:34:45.868890  start: 2.2.4 bootloader-commands (timeout 00:04:48) [common]
 1705 21:34:45.868969  Setting prompt string to ['grunt:']
 1706 21:34:45.869052  bootloader-commands: Wait for prompt ['grunt:'] (timeout 00:04:48)
 1707 21:34:45.874051  WARNING: can't convert coreboot GPIOs, 'lid' won't be resampled at runtime!

 1708 21:34:45.874767  

 1709 21:34:45.880727  WARNING: can't convert coreboot GPIOs, 'power' won't be resampled at runtime!

 1710 21:34:45.881449  

 1711 21:34:45.886518  The GBB signature is at 0x30004020 and is:  24 47 42 42

 1712 21:34:45.888099  

 1713 21:34:45.893317  [firmware-grunt-11031.B-collabora] Dec 11 2020 09:59:28

 1714 21:34:45.893398  

 1715 21:34:45.893462  

 1716 21:34:45.893740  

 1717 21:34:45.894016  Setting prompt string to ['grunt:', '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}']
 1719 21:34:45.994361  grunt: tftpboot 192.168.201.1 12965436/tftp-deploy-1i93gzu9/kernel/bzImage 12965436/tftp-deploy-1i93gzu9/kernel/cmdline 12965436/tftp-deploy-1i93gzu9/ramdisk/ramdisk.cpio.gz

 1720 21:34:45.994479  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}']
 1721 21:34:45.994556  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 00:04:48)
 1722 21:34:45.995481  tftpboot 192.168.201.1 12965436/tftp-deploy-1i93gzu9/kernel/bzImage zu9/kernel/cmdline 12965436/tftp-deploy-1i93gzu9/ramdisk/ramdisk.cpio.gz

 1723 21:34:46.037653  

 1724 21:34:46.037735  Waiting for link

 1725 21:34:46.200320  

 1726 21:34:46.202073  R8152: Initializing

 1727 21:34:46.202967  

 1728 21:34:46.204777  Version 9 (ocp_data = 6010)

 1729 21:34:46.234315  

 1730 21:34:46.237086  R8152: Done initializing

 1731 21:34:46.237168  

 1732 21:34:46.238235  Adding net device

 1733 21:34:46.439761  

 1734 21:34:46.440093  done.

 1735 21:34:46.440820  

 1736 21:34:46.442989  MAC: 00:e0:4c:78:85:55

 1737 21:34:46.443070  

 1738 21:34:46.446090  Sending DHCP discover... done.

 1739 21:34:46.446172  

 1740 21:34:46.447723  Waiting for reply... done.

 1741 21:34:46.448366  

 1742 21:34:46.450377  Sending DHCP request... done.

 1743 21:34:46.452879  

 1744 21:34:46.456015  Waiting for reply... done.

 1745 21:34:46.456098  

 1746 21:34:46.458737  My ip is 192.168.201.11

 1747 21:34:46.458819  

 1748 21:34:46.461320  The DHCP server ip is 192.168.201.1

 1749 21:34:46.461665  

 1750 21:34:46.465462  TFTP server IP predefined by user: 192.168.201.1

 1751 21:34:46.465579  

 1752 21:34:46.472256  Bootfile predefined by user: 12965436/tftp-deploy-1i93gzu9/kernel/bzImage

 1753 21:34:46.472338  

 1754 21:34:46.475726  Sending tftp read request... done.

 1755 21:34:46.475807  

 1756 21:34:46.478490  Waiting for the transfer... 

 1757 21:34:46.479623  

 1758 21:34:46.752623  00000000 ################################################################

 1759 21:34:46.753236  

 1760 21:34:47.037426  00080000 ################################################################

 1761 21:34:47.038217  

 1762 21:34:47.324865  00100000 ################################################################

 1763 21:34:47.325728  

 1764 21:34:47.608201  00180000 ################################################################

 1765 21:34:47.609000  

 1766 21:34:47.893294  00200000 ################################################################

 1767 21:34:47.894274  

 1768 21:34:48.164232  00280000 ################################################################

 1769 21:34:48.165009  

 1770 21:34:48.439167  00300000 ################################################################

 1771 21:34:48.439607  

 1772 21:34:48.722740  00380000 ################################################################

 1773 21:34:48.723400  

 1774 21:34:48.990514  00400000 ################################################################

 1775 21:34:48.990885  

 1776 21:34:49.271623  00480000 ################################################################

 1777 21:34:49.271995  

 1778 21:34:49.535544  00500000 ################################################################

 1779 21:34:49.536372  

 1780 21:34:49.809304  00580000 ################################################################

 1781 21:34:49.809697  

 1782 21:34:50.068248  00600000 ################################################################

 1783 21:34:50.069417  

 1784 21:34:50.325165  00680000 ################################################################

 1785 21:34:50.325866  

 1786 21:34:50.582328  00700000 ################################################################

 1787 21:34:50.582690  

 1788 21:34:50.838142  00780000 ################################################################

 1789 21:34:50.838882  

 1790 21:34:51.097744  00800000 ################################################################

 1791 21:34:51.098823  

 1792 21:34:51.368951  00880000 ################################################################

 1793 21:34:51.369325  

 1794 21:34:51.625936  00900000 ################################################################

 1795 21:34:51.627074  

 1796 21:34:51.884950  00980000 ################################################################

 1797 21:34:51.885643  

 1798 21:34:52.154364  00a00000 ################################################################

 1799 21:34:52.154746  

 1800 21:34:52.439420  00a80000 ################################################################

 1801 21:34:52.440394  

 1802 21:34:52.733308  00b00000 ################################################################

 1803 21:34:52.734324  

 1804 21:34:53.046644  00b80000 ################################################################

 1805 21:34:53.047067  

 1806 21:34:53.335768  00c00000 ################################################################

 1807 21:34:53.336159  

 1808 21:34:53.628596  00c80000 ################################################################

 1809 21:34:53.628972  

 1810 21:34:53.920822  00d00000 ################################################################

 1811 21:34:53.921887  

 1812 21:34:54.257603  00d80000 ################################################################

 1813 21:34:54.258274  

 1814 21:34:54.551381  00e00000 ################################################################

 1815 21:34:54.551765  

 1816 21:34:54.836225  00e80000 ################################################################

 1817 21:34:54.836898  

 1818 21:34:55.136711  00f00000 ################################################################

 1819 21:34:55.137092  

 1820 21:34:55.433183  00f80000 ################################################################

 1821 21:34:55.433566  

 1822 21:34:55.769651  01000000 ################################################################

 1823 21:34:55.770782  

 1824 21:34:56.178991  01080000 ################################################################

 1825 21:34:56.180933  

 1826 21:34:56.357384  01100000 ############################# done.

 1827 21:34:56.357944  

 1828 21:34:56.360870  The bootfile was 18058912 bytes long.

 1829 21:34:56.361315  

 1830 21:34:56.363993  Sending tftp read request... done.

 1831 21:34:56.364406  

 1832 21:34:56.367097  Waiting for the transfer... 

 1833 21:34:56.367570  

 1834 21:34:56.648714  00000000 ################################################################

 1835 21:34:56.649348  

 1836 21:34:56.907926  00080000 ################################################################

 1837 21:34:56.909038  

 1838 21:34:57.179745  00100000 ################################################################

 1839 21:34:57.180678  

 1840 21:34:57.466359  00180000 ################################################################

 1841 21:34:57.467045  

 1842 21:34:57.724948  00200000 ################################################################

 1843 21:34:57.725923  

 1844 21:34:57.986407  00280000 ################################################################

 1845 21:34:57.987359  

 1846 21:34:58.320389  00300000 ################################################################

 1847 21:34:58.321128  

 1848 21:34:58.614876  00380000 ################################################################

 1849 21:34:58.615936  

 1850 21:34:58.889120  00400000 ################################################################

 1851 21:34:58.889563  

 1852 21:34:59.169126  00480000 ################################################################

 1853 21:34:59.170017  

 1854 21:34:59.440441  00500000 ################################################################

 1855 21:34:59.440854  

 1856 21:34:59.716452  00580000 ################################################################

 1857 21:34:59.717143  

 1858 21:34:59.979442  00600000 ################################################################

 1859 21:34:59.979846  

 1860 21:35:00.235345  00680000 ################################################################

 1861 21:35:00.236050  

 1862 21:35:00.491259  00700000 ################################################################

 1863 21:35:00.491962  

 1864 21:35:00.766687  00780000 ################################################################

 1865 21:35:00.767412  

 1866 21:35:01.019310  00800000 ################################################################

 1867 21:35:01.019777  

 1868 21:35:01.265674  00880000 ################################################################

 1869 21:35:01.266364  

 1870 21:35:01.551570  00900000 ################################################################

 1871 21:35:01.552459  

 1872 21:35:01.834180  00980000 ################################################################ done.

 1873 21:35:01.834325  

 1874 21:35:01.837665  Sending tftp read request... done.

 1875 21:35:01.837764  

 1876 21:35:01.840723  Waiting for the transfer... 

 1877 21:35:01.840841  

 1878 21:35:01.843668  00000000 # done.

 1879 21:35:01.843764  

 1880 21:35:01.849969  Command line loaded dynamically from TFTP file: 12965436/tftp-deploy-1i93gzu9/kernel/cmdline

 1881 21:35:01.850072  

 1882 21:35:01.876046  The command line is: earlyprintk=uart8250,mmio32,0xfedc6000,115200n8 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/12965436/extract-nfsrootfs-cpnzndgs,tcp,hard ip=dhcp tftpserverip=192.168.201.1

 1883 21:35:01.884043  

 1884 21:35:01.888608  Shutting down all USB controllers.

 1885 21:35:01.889175  

 1886 21:35:01.889751  Removing current net device

 1887 21:35:01.895062  

 1888 21:35:01.896892  Finalizing coreboot

 1889 21:35:01.897415  

 1890 21:35:01.897909  

 1891 21:35:01.898445  

 1892 21:35:01.904646  coreboot-56f9d1cd49 Thu Sep  5 21:57:06 UTC 2019 smm starting...

 1893 21:35:01.905242  

 1894 21:35:01.905707  SMI# #0

 1895 21:35:01.908567  Exiting depthcharge with code 4 at timestamp: 21593767

 1896 21:35:01.909225  

 1897 21:35:01.909765  

 1898 21:35:01.912202  end: 2.2.4 bootloader-commands (duration 00:00:16) [common]
 1899 21:35:01.912832  start: 2.2.5 auto-login-action (timeout 00:04:32) [common]
 1900 21:35:01.913331  Setting prompt string to ['Linux version [0-9]']
 1901 21:35:01.913816  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}']
 1902 21:35:01.914067  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)
 1903 21:35:01.914645  Starting kernel ...

 1904 21:35:01.914893  

 1905 21:35:01.915111  

 1906 21:35:02.508687  

 1907 21:35:02.509907  

 1908 21:35:02.510363  

 1909 21:35:02.514597  coreboot-56f9d1cd49 Thu Sep  5 21:57:06 UTC 2019 smm starting...

 1910 21:35:02.515189  

 1911 21:35:02.516116  SMI# #0

 1912 21:35:02.519560  Chrome EC: Set SMI mask to 0x0000000000000000

 1913 21:35:02.522096  Chrome EC: UHEPI supported

 1914 21:35:02.526942  Clearing pending EC events. Error code 1 is expected.

 1915 21:35:02.531194  EC returned error result code 9

 1916 21:35:02.534305  Chrome EC: Set SCI mask to 0x00000000142609fb

 1917 21:35:03.510722  start: 2.2.5.1 login-action (timeout 00:04:31) [common]
 1918 21:35:03.511248  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.
 1919 21:35:03.511764  Setting prompt string to []
 1920 21:35:03.512263  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']
 1921 21:35:03.512631  Using line separator: #'\n'#
 1922 21:35:03.512935  No login prompt set.
 1923 21:35:03.513246  Parsing kernel messages
 1924 21:35:03.513592  ['-\\[ 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']
 1925 21:35:03.514127  [login-action] Waiting for messages, (timeout 00:04:31)
 1926 21:35:03.514545  Waiting using forced prompt support (timeout 00:02:15)
 1927 21:35:03.527977  <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

 1928 21:35:03.555219  <6>[    0.000000] Command line: earlyprintk=uart8250,mmio32,0xfedc6000,115200n8 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/12965436/extract-nfsrootfs-cpnzndgs,tcp,hard ip=dhcp tftpserverip=192.168.201.1

 1929 21:35:03.559579  <6>[    0.000000] BIOS-provided physical RAM map:

 1930 21:35:03.566417  <6>[    0.000000] BIOS-e820: [mem 0x0000000000000000-0x0000000000000fff] type 16

 1931 21:35:03.573548  <6>[    0.000000] BIOS-e820: [mem 0x0000000000001000-0x000000000009ffff] usable

 1932 21:35:03.580611  <6>[    0.000000] BIOS-e820: [mem 0x00000000000a0000-0x00000000000fffff] reserved

 1933 21:35:03.587513  <6>[    0.000000] BIOS-e820: [mem 0x0000000000100000-0x00000000cdd0cfff] usable

 1934 21:35:03.594680  <6>[    0.000000] BIOS-e820: [mem 0x00000000cdd0d000-0x00000000cdffffff] type 16

 1935 21:35:03.602421  <6>[    0.000000] BIOS-e820: [mem 0x00000000ce000000-0x00000000cfffffff] reserved

 1936 21:35:03.609684  <6>[    0.000000] BIOS-e820: [mem 0x00000000f8000000-0x00000000fbffffff] reserved

 1937 21:35:03.616018  <6>[    0.000000] BIOS-e820: [mem 0x0000000100000000-0x000000012effffff] usable

 1938 21:35:03.621205  <6>[    0.000000] NX (Execute Disable) protection: active

 1939 21:35:03.625314  <6>[    0.000000] SMBIOS 2.7 present.

 1940 21:35:03.629915  <6>[    0.000000] DMI: Google Grunt/Grunt, BIOS  09/05/2019

 1941 21:35:03.634655  <6>[    0.000000] tsc: Fast TSC calibration using PIT

 1942 21:35:03.640420  <6>[    0.000000] tsc: Detected 1596.987 MHz processor

 1943 21:35:03.646017  <6>[    0.001314] last_pfn = 0x12f000 max_arch_pfn = 0x400000000

 1944 21:35:03.652733  <6>[    0.001805] x86/PAT: Configuration [0-7]: WB  WC  UC- UC  WB  WP  UC- WT  

 1945 21:35:03.659599  <6>[    0.003347] last_pfn = 0xcdd0d max_arch_pfn = 0x400000000

 1946 21:35:03.664563  <6>[    0.009878] check: Scanning 1 areas for low memory corruption

 1947 21:35:03.669591  <6>[    0.009889] Using GB pages for direct mapping

 1948 21:35:03.673946  <6>[    0.010359] RAMDISK: [mem 0x37601000-0x37ffffff]

 1949 21:35:03.680108  <6>[    0.010366] ACPI: Early table checksum verification disabled

 1950 21:35:03.685767  <6>[    0.010373] ACPI: RSDP 0x00000000000F0000 000024 (v02 COREv4)

 1951 21:35:03.694403  <6>[    0.010382] ACPI: XSDT 0x00000000CDE2E0E0 000074 (v01 COREv4 COREBOOT 00000000 CORE 00000000)

 1952 21:35:03.703471  <6>[    0.010395] ACPI: FACP 0x00000000CDE31E60 0000F4 (v04 COREv4 COREBOOT 00000000 CORE 00000000)

 1953 21:35:03.714498  <6>[    0.010406] ACPI: DSDT 0x00000000CDE2E280 003BE0 (v02 COREv4 COREBOOT 00010001 INTL 20180531)

 1954 21:35:03.717822  <6>[    0.010415] ACPI: FACS 0x00000000CDE2E240 000040

 1955 21:35:03.725951  <6>[    0.010423] ACPI: SSDT 0x00000000CDE31F60 000DB5 (v02 COREv4 COREBOOT 0000002A CORE 0000002A)

 1956 21:35:03.734824  <6>[    0.010431] ACPI: MCFG 0x00000000CDE32D20 00003C (v01 COREv4 COREBOOT 00000000 CORE 00000000)

 1957 21:35:03.743818  <6>[    0.010439] ACPI: TCPA 0x00000000CDE32D60 000032 (v02 COREv4 COREBOOT 00000000 CORE 00000000)

 1958 21:35:03.752306  <6>[    0.010447] ACPI: APIC 0x00000000CDE32DA0 00006E (v02 COREv4 COREBOOT 00000000 CORE 00000000)

 1959 21:35:03.761413  <6>[    0.010455] ACPI: VFCT 0x00000000CDE32E10 00FE69 (v01 COREv4 COREBOOT 00000000 CORE 00000000)

 1960 21:35:03.769408  <6>[    0.010463] ACPI: HPET 0x00000000CDE42C80 000038 (v01 COREv4 COREBOOT 00000000 CORE 00000000)

 1961 21:35:03.780204  <6>[    0.010470] ACPI: HEST 0x00000000CDE42CC0 0001D0 (v01 COREv4 COREBOOT 00000000 CORE 00000000)

 1962 21:35:03.786935  <6>[    0.010478] ACPI: SSDT 0x00000000CDE42E90 004B5B (v02 AMD    AGESA    00000002 MSFT 04000000)

 1963 21:35:03.796027  <6>[    0.010486] ACPI: SSDT 0x00000000CDE479F0 00043C (v01 AMD    AGESA    00000001 AMD  00000001)

 1964 21:35:03.803438  <6>[    0.010494] ACPI: Reserving FACP table memory at [mem 0xcde31e60-0xcde31f53]

 1965 21:35:03.810741  <6>[    0.010498] ACPI: Reserving DSDT table memory at [mem 0xcde2e280-0xcde31e5f]

 1966 21:35:03.818181  <6>[    0.010501] ACPI: Reserving FACS table memory at [mem 0xcde2e240-0xcde2e27f]

 1967 21:35:03.825051  <6>[    0.010505] ACPI: Reserving SSDT table memory at [mem 0xcde31f60-0xcde32d14]

 1968 21:35:03.832259  <6>[    0.010508] ACPI: Reserving MCFG table memory at [mem 0xcde32d20-0xcde32d5b]

 1969 21:35:03.839970  <6>[    0.010511] ACPI: Reserving TCPA table memory at [mem 0xcde32d60-0xcde32d91]

 1970 21:35:03.847504  <6>[    0.010514] ACPI: Reserving APIC table memory at [mem 0xcde32da0-0xcde32e0d]

 1971 21:35:03.855267  <6>[    0.010518] ACPI: Reserving VFCT table memory at [mem 0xcde32e10-0xcde42c78]

 1972 21:35:03.862174  <6>[    0.010521] ACPI: Reserving HPET table memory at [mem 0xcde42c80-0xcde42cb7]

 1973 21:35:03.868569  <6>[    0.010524] ACPI: Reserving HEST table memory at [mem 0xcde42cc0-0xcde42e8f]

 1974 21:35:03.876164  <6>[    0.010527] ACPI: Reserving SSDT table memory at [mem 0xcde42e90-0xcde479ea]

 1975 21:35:03.883949  <6>[    0.010531] ACPI: Reserving SSDT table memory at [mem 0xcde479f0-0xcde47e2b]

 1976 21:35:03.888077  <6>[    0.010596] No NUMA configuration found

 1977 21:35:03.894368  <6>[    0.010600] Faking a node at [mem 0x0000000000000000-0x000000012effffff]

 1978 21:35:03.900826  <6>[    0.010608] NODE_DATA(0) allocated [mem 0x12effa000-0x12effdfff]

 1979 21:35:03.904013  <6>[    0.010644] Zone ranges:

 1980 21:35:03.910191  <6>[    0.010648]   DMA      [mem 0x0000000000001000-0x0000000000ffffff]

 1981 21:35:03.916880  <6>[    0.010653]   DMA32    [mem 0x0000000001000000-0x00000000ffffffff]

 1982 21:35:03.922940  <6>[    0.010658]   Normal   [mem 0x0000000100000000-0x000000012effffff]

 1983 21:35:03.927724  <6>[    0.010662] Movable zone start for each node

 1984 21:35:03.931856  <6>[    0.010665] Early memory node ranges

 1985 21:35:03.938667  <6>[    0.010669]   node   0: [mem 0x0000000000001000-0x000000000009ffff]

 1986 21:35:03.944671  <6>[    0.010672]   node   0: [mem 0x0000000000100000-0x00000000cdd0cfff]

 1987 21:35:03.950578  <6>[    0.010676]   node   0: [mem 0x0000000100000000-0x000000012effffff]

 1988 21:35:03.960470  <6>[    0.010680] Initmem setup node 0 [mem 0x0000000000001000-0x000000012effffff]

 1989 21:35:03.963720  <6>[    0.010706] On node 0, zone DMA: 1 pages in unavailable ranges

 1990 21:35:03.971267  <6>[    0.010755] On node 0, zone DMA: 96 pages in unavailable ranges

 1991 21:35:03.977023  <6>[    0.027846] On node 0, zone Normal: 8947 pages in unavailable ranges

 1992 21:35:03.983651  <6>[    0.028462] On node 0, zone Normal: 4096 pages in unavailable ranges

 1993 21:35:03.987554  <6>[    0.028529] ACPI: PM-Timer IO Port: 0x418

 1994 21:35:03.994394  <6>[    0.028543] ACPI: LAPIC_NMI (acpi_id[0xff] high edge lint[0x1])

 1995 21:35:04.001593  <6>[    0.028564] IOAPIC[0]: apic_id 4, version 33, address 0xfec00000, GSI 0-23

 1996 21:35:04.008411  <6>[    0.028576] IOAPIC[1]: apic_id 5, version 33, address 0xfec20000, GSI 24-55

 1997 21:35:04.015091  <6>[    0.028581] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl)

 1998 21:35:04.022390  <6>[    0.028585] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 low level)

 1999 21:35:04.027835  <6>[    0.028596] Using ACPI (MADT) for SMP configuration information

 2000 21:35:04.033062  <6>[    0.028601] ACPI: HPET id: 0x10228201 base: 0xfed00000

 2001 21:35:04.038899  <6>[    0.028608] smpboot: Allowing 2 CPUs, 0 hotplug CPUs

 2002 21:35:04.046638  <6>[    0.028631] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff]

 2003 21:35:04.054981  <6>[    0.028635] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000fffff]

 2004 21:35:04.062194  <6>[    0.028640] PM: hibernation: Registered nosave memory: [mem 0xcdd0d000-0xcdffffff]

 2005 21:35:04.069969  <6>[    0.028643] PM: hibernation: Registered nosave memory: [mem 0xce000000-0xcfffffff]

 2006 21:35:04.077673  <6>[    0.028646] PM: hibernation: Registered nosave memory: [mem 0xd0000000-0xf7ffffff]

 2007 21:35:04.085393  <6>[    0.028649] PM: hibernation: Registered nosave memory: [mem 0xf8000000-0xfbffffff]

 2008 21:35:04.093712  <6>[    0.028652] PM: hibernation: Registered nosave memory: [mem 0xfc000000-0xffffffff]

 2009 21:35:04.099243  <6>[    0.028658] [mem 0xd0000000-0xf7ffffff] available for PCI devices

 2010 21:35:04.111400  <6>[    0.028665] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns

 2011 21:35:04.117877  <6>[    0.038091] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:2 nr_node_ids:1

 2012 21:35:04.125080  <6>[    0.038637] percpu: Embedded 59 pages/cpu s200848 r8192 d32624 u1048576

 2013 21:35:04.131958  <6>[    0.038703] Built 1 zonelists, mobility grouping on.  Total pages: 1019233

 2014 21:35:04.135832  <6>[    0.038708] Policy zone: Normal

 2015 21:35:04.163536  <5>[    0.038720] Kernel command line: earlyprintk=uart8250,mmio32,0xfedc6000,115200n8 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/12965436/extract-nfsrootfs-cpnzndgs,tcp,hard ip=dhcp tftpserverip=192.168.201.1

 2016 21:35:04.171673  <6>[    0.039838] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear)

 2017 21:35:04.181205  <6>[    0.040325] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear)

 2018 21:35:04.186788  <6>[    0.040355] mem auto-init: stack:off, heap alloc:off, heap free:off

 2019 21:35:04.200178  <6>[    0.081954] Memory: 3927424K/4141744K available (22546K kernel code, 3700K rwdata, 13620K rodata, 2160K init, 14004K bss, 214060K reserved, 0K cma-reserved)

 2020 21:35:04.207727  <6>[    0.082067] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=1

 2021 21:35:04.212303  <6>[    0.082151] ftrace: allocating 61513 entries in 241 pages

 2022 21:35:04.218173  <6>[    0.137864] ftrace: allocated 241 pages with 5 groups

 2023 21:35:04.221412  <6>[    0.138127] Running RCU self tests

 2024 21:35:04.226976  <6>[    0.138138] rcu: Hierarchical RCU implementation.

 2025 21:35:04.232298  <6>[    0.138142] rcu: 	RCU event tracing is enabled.

 2026 21:35:04.236464  <6>[    0.138145] rcu: 	RCU lockdep checking is enabled.

 2027 21:35:04.243622  <6>[    0.138148] rcu: 	RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=2.

 2028 21:35:04.247839  <6>[    0.138152] 	Rude variant of Tasks RCU enabled.

 2029 21:35:04.254000  <6>[    0.138155] 	Tracing variant of Tasks RCU enabled.

 2030 21:35:04.260922  <6>[    0.138159] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies.

 2031 21:35:04.267661  <6>[    0.138162] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2

 2032 21:35:04.275381  <6>[    0.145708] NR_IRQS: 4352, nr_irqs: 512, preallocated irqs: 16

 2033 21:35:04.277839  <5>[    0.146032] random: crng init done

 2034 21:35:04.282944  <6>[    0.146139] Console: colour dummy device 80x25

 2035 21:35:04.287209  <6>[    0.172155] printk: console [ttyS0] enabled

 2036 21:35:04.295158  <4>[    0.172309] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar

 2037 21:35:04.298654  <4>[    0.172578] ... MAX_LOCKDEP_SUBCLASSES:  8

 2038 21:35:04.303529  <4>[    0.172729] ... MAX_LOCK_DEPTH:          48

 2039 21:35:04.308289  <4>[    0.172882] ... MAX_LOCKDEP_KEYS:        8192

 2040 21:35:04.313062  <4>[    0.173041] ... CLASSHASH_SIZE:          4096

 2041 21:35:04.317846  <4>[    0.173200] ... MAX_LOCKDEP_ENTRIES:     32768

 2042 21:35:04.322808  <4>[    0.173361] ... MAX_LOCKDEP_CHAINS:      65536

 2043 21:35:04.326740  <4>[    0.173523] ... CHAINHASH_SIZE:          32768

 2044 21:35:04.334119  <4>[    0.173685]  memory used by lock dependency info: 6365 kB

 2045 21:35:04.338423  <4>[    0.173877]  memory used for stack traces: 4224 kB

 2046 21:35:04.343692  <4>[    0.174050]  per task-struct memory footprint: 1920 bytes

 2047 21:35:04.347550  <6>[    0.174296] ACPI: Core revision 20200925

 2048 21:35:04.357093  <6>[    0.174723] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 133484873504 ns

 2049 21:35:04.362661  <6>[    0.175091] APIC: Switch to symmetric I/O mode setup

 2050 21:35:04.368423  <6>[    0.175714] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=0 pin2=0

 2051 21:35:04.379125  <6>[    0.180080] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x170506c2f7f, max_idle_ns: 440795264135 ns

 2052 21:35:04.389775  <6>[    0.180465] Calibrating delay loop (skipped), value calculated using timer frequency.. 3193.97 BogoMIPS (lpj=1596987)

 2053 21:35:04.401161  <6>[    0.180843] BIOS may not properly restore RDRAND after suspend, hiding RDRAND via CPUID. Use rdrand=force to reenable.

 2054 21:35:04.405585  <6>[    0.181534] LVT offset 1 assigned for vector 0xf9

 2055 21:35:04.412317  <6>[    0.181715] Last level iTLB entries: 4KB 512, 2MB 1024, 4MB 512

 2056 21:35:04.418954  <6>[    0.181925] Last level dTLB entries: 4KB 1024, 2MB 1024, 4MB 512, 1GB 0

 2057 21:35:04.427637  <6>[    0.182164] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization

 2058 21:35:04.432225  <6>[    0.182455] Spectre V2 : Mitigation: Retpolines

 2059 21:35:04.441527  <6>[    0.182620] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch

 2060 21:35:04.448860  <6>[    0.182906] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB on VMEXIT

 2061 21:35:04.455052  <6>[    0.183141] Spectre V2 : Enabling Speculation Barrier for firmware calls

 2062 21:35:04.459994  <6>[    0.183452] RETBleed: Mitigation: untrained return thunk

 2063 21:35:04.469410  <6>[    0.183645] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier

 2064 21:35:04.479180  <6>[    0.183939] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl and seccomp

 2065 21:35:04.487142  <6>[    0.184283] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers'

 2066 21:35:04.493448  <6>[    0.184452] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers'

 2067 21:35:04.499815  <6>[    0.184677] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers'

 2068 21:35:04.506520  <6>[    0.184902] x86/fpu: xstate_offset[2]:  576, xstate_sizes[2]:  256

 2069 21:35:04.516403  <6>[    0.185121] x86/fpu: Enabled xstate features 0x7, context size is 832 bytes, using 'standard' format.

 2070 21:35:04.520721  Setting prompt string to ['-+\\[ end trace \\w* \\]-+[^\\n]*\\r', '/ #', 'Login timed out', 'Login incorrect']
 2071 21:35:04.521513  <4>[    0.209333] ------------[ cut here ]------------

 2072 21:35:04.531818  <4>[    0.209462] missing return thunk: lkdtm_rodata_do_nothing+0x0/0x10-lkdtm_rodata_do_nothing+0x5/0x10: e9 00 00 00 00

 2073 21:35:04.540290  <4>[    0.209474] WARNING: CPU: 0 PID: 0 at arch/x86/kernel/alternative.c:730 apply_returns+0x1c2/0x1e0

 2074 21:35:04.544358  <4>[    0.210136] Modules linked in:

 2075 21:35:04.550677  <4>[    0.210259] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.10.212-cip44 #1

 2076 21:35:04.557887  <4>[    0.210453] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 2077 21:35:04.562161  <4>[    0.210665] RIP: 0010:apply_returns+0x1c2/0x1e0

 2078 21:35:04.581524  <4>[    0.210832] 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 91 91 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

 2079 21:35:04.586182  <4>[    0.211452] RSP: 0000:ffffffff91c03e30 EFLAGS: 00010286

 2080 21:35:04.593439  <4>[    0.211643] RAX: 0000000000000000 RBX: ffffffff92821758 RCX: 0000000000000000

 2081 21:35:04.601038  <4>[    0.211893] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8f778541

 2082 21:35:04.608592  <4>[    0.212143] RBP: ffffffff91594740 R08: 0000000000000001 R09: 0000000000000001

 2083 21:35:04.616339  <4>[    0.212452] R10: ffffffff91c8ffc0 R11: 3fffffffffffffff R12: ffffffff9283a334

 2084 21:35:04.623313  <4>[    0.212702] R13: ffffffff91c03ea8 R14: 0000000000000005 R15: ffffffff91594745

 2085 21:35:04.631153  <4>[    0.212953] FS:  0000000000000000(0000) GS:ffff91a2eac00000(0000) knlGS:0000000000000000

 2086 21:35:04.637506  <4>[    0.213234] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 2087 21:35:04.645416  <4>[    0.213452] CR2: ffff91a2eefff000 CR3: 000000001aa26000 CR4: 00000000001506f0

 2088 21:35:04.647886  <4>[    0.213702] Call Trace:

 2089 21:35:04.651604  <4>[    0.213805]  ? __warn+0x80/0x110

 2090 21:35:04.655103  <4>[    0.213930]  ? apply_returns+0x1c2/0x1e0

 2091 21:35:04.659620  <4>[    0.214079]  ? report_bug+0x9e/0xc0

 2092 21:35:04.663183  <4>[    0.214212]  ? __warn_printk+0x6c/0x8d

 2093 21:35:04.668252  <4>[    0.214356]  ? handle_bug+0x41/0x90

 2094 21:35:04.670667  <4>[    0.214453]  ? exc_invalid_op+0x14/0x70

 2095 21:35:04.675350  <4>[    0.214599]  ? asm_exc_invalid_op+0x12/0x20

 2096 21:35:04.679701  <4>[    0.214761]  ? console_unlock+0x4d1/0x5f0

 2097 21:35:04.685350  <4>[    0.214910]  ? apply_returns+0x1c2/0x1e0

 2098 21:35:04.688785  <4>[    0.215070]  alternative_instructions+0x7d/0x143

 2099 21:35:04.693308  <4>[    0.215241]  arch_cpu_finalize_init+0x28/0x47

 2100 21:35:04.696939  <4>[    0.215454]  start_kernel+0x4a3/0x54d

 2101 21:35:04.703467  <4>[    0.215598]  secondary_startup_64_no_verify+0xc2/0xcb

 2102 21:35:04.706102  <4>[    0.215790] irq event stamp: 107927

 2103 21:35:04.715974  <4>[    0.215923] hardirqs last  enabled at (107935): [<ffffffff8f778541>] console_unlock+0x4d1/0x5f0

 2104 21:35:04.723898  <4>[    0.216225] hardirqs last disabled at (107942): [<ffffffff8f7784b4>] console_unlock+0x444/0x5f0

 2105 21:35:04.732705  <4>[    0.216454] softirqs last  enabled at (107952): [<ffffffff8f7083c1>] irq_enter_rcu+0x71/0x80

 2106 21:35:04.740905  <4>[    0.216747] softirqs last disabled at (107951): [<ffffffff8f7083a6>] irq_enter_rcu+0x56/0x80

 2107 21:35:04.746390  <4>[    0.217042] ---[ end trace 0e3e908715a0f2ed ]---

 2108 21:35:04.746689  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']
 2109 21:35:04.746780  login-action: kernel 'warning'
 2110 21:35:04.746854  [login-action] Waiting for messages, (timeout 00:04:29)
 2111 21:35:04.746923  Waiting using forced prompt support (timeout 00:02:15)
 2112 21:35:04.751132  <6>[    0.228332] Freeing SMP alternatives memory: 48K

 2113 21:35:04.756386  <6>[    0.228455] pid_max: default: 32768 minimum: 301

 2114 21:35:04.760537  <6>[    0.228699] LSM: Security Framework initializing

 2115 21:35:04.764532  <6>[    0.228891] SELinux:  Initializing.

 2116 21:35:04.768566  <6>[    0.229060] LSM support for eBPF active

 2117 21:35:04.776611  <6>[    0.229235] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear)

 2118 21:35:04.784962  <6>[    0.229469] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear)

 2119 21:35:04.791092  <6>[    0.232505] smpboot: CPU 0 Converting physical 2 to logical die 0

 2120 21:35:04.803109  <6>[    0.334742] smpboot: CPU0: AMD A4-9120C RADEON R4, 5 COMPUTE CORES 2C+3G (family: 0x15, model: 0x70, stepping: 0x0)

 2121 21:35:04.808452  <6>[    0.335448] Performance Events: Fam15h core perfctr, AMD PMU driver.

 2122 21:35:04.812940  <6>[    0.335459] ... version:                0

 2123 21:35:04.817207  <6>[    0.335608] ... bit width:              48

 2124 21:35:04.821216  <6>[    0.335759] ... generic registers:      6

 2125 21:35:04.826841  <6>[    0.335907] ... value mask:             0000ffffffffffff

 2126 21:35:04.832246  <6>[    0.336098] ... max period:             00007fffffffffff

 2127 21:35:04.836452  <6>[    0.336288] ... fixed-purpose events:   0

 2128 21:35:04.842444  <6>[    0.336452] ... event mask:             000000000000003f

 2129 21:35:04.846942  <6>[    0.336922] rcu: Hierarchical SRCU implementation.

 2130 21:35:04.852627  <6>[    0.338458] smp: Bringing up secondary CPUs ...

 2131 21:35:04.856860  <6>[    0.339119] x86: Booting SMP configuration:

 2132 21:35:04.861117  <6>[    0.339290] .... node  #0, CPUs:      #1

 2133 21:35:04.864792  <6>[    0.340597] smp: Brought up 1 node, 2 CPUs

 2134 21:35:04.871129  <6>[    0.340827] smpboot: Max logical packages: 1

 2135 21:35:04.876567  <6>[    0.340984] smpboot: Total of 2 processors activated (6387.94 BogoMIPS)

 2136 21:35:04.880217  <6>[    0.343604] devtmpfs: initialized

 2137 21:35:04.885373  <6>[    0.343812] x86/mm: Memory block size: 128MB

 2138 21:35:04.895669  <6>[    0.346524] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns

 2139 21:35:04.901247  <6>[    0.346805] futex hash table entries: 512 (order: 4, 65536 bytes, linear)

 2140 21:35:04.906971  <6>[    0.347590] pinctrl core: initialized pinctrl subsystem

 2141 21:35:04.912345  <6>[    0.348442] PM: RTC time: 21:35:02, date: 2024-03-06

 2142 21:35:04.917302  <6>[    0.349078] NET: Registered protocol family 16

 2143 21:35:04.922493  <6>[    0.349742] audit: initializing netlink subsys (disabled)

 2144 21:35:04.931776  <5>[    0.349968] audit: type=2000 audit(1709760901.174:1): state=initialized audit_enabled=0 res=1

 2145 21:35:04.937749  <6>[    0.350477] thermal_sys: Registered thermal governor 'step_wise'

 2146 21:35:04.943663  <6>[    0.350481] thermal_sys: Registered thermal governor 'user_space'

 2147 21:35:04.949847  <6>[    0.350776] cpuidle: using governor menu

 2148 21:35:04.952258  <6>[    0.351383] ACPI: bus type PCI registered

 2149 21:35:04.962671  <6>[    0.351684] PCI: MMCONFIG for domain 0000 [bus 00-40] at [mem 0xf8000000-0xfc0fffff] (base 0xf8000000)

 2150 21:35:04.969056  <6>[    0.352010] PCI: MMCONFIG at [mem 0xf8000000-0xfc0fffff] reserved in E820

 2151 21:35:04.979484  <6>[    0.352252] PCI: MMCONFIG for 0000 [bus00-1f] at [mem 0xf8000000-0xf9ffffff] (base 0xf8000000) (size reduced!)

 2152 21:35:04.985223  <6>[    0.352481] PCI: Using configuration type 1 for base access

 2153 21:35:04.989241  <6>[    0.373962] Kprobes globally optimized

 2154 21:35:04.995868  <6>[    0.374486] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages

 2155 21:35:05.002727  <6>[    0.374714] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages

 2156 21:35:05.010434  <6>[    0.375079] cryptomgr_test (28) used greatest stack depth: 14880 bytes left

 2157 21:35:05.015154  <6>[    0.377501] ACPI: Added _OSI(Module Device)

 2158 21:35:05.019403  <6>[    0.377661] ACPI: Added _OSI(Processor Device)

 2159 21:35:05.024382  <6>[    0.377825] ACPI: Added _OSI(3.0 _SCP Extensions)

 2160 21:35:05.030567  <6>[    0.377996] ACPI: Added _OSI(Processor Aggregator Device)

 2161 21:35:05.034594  <6>[    0.378192] ACPI: Added _OSI(Linux-Dell-Video)

 2162 21:35:05.039876  <6>[    0.378355] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio)

 2163 21:35:05.047342  <6>[    0.378469] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics)

 2164 21:35:05.052563  <6>[    0.392513] ACPI: 4 ACPI AML tables successfully acquired and loaded

 2165 21:35:05.055985  <6>[    0.401717] ACPI: EC: EC started

 2166 21:35:05.060322  <6>[    0.401859] ACPI: EC: interrupt blocked

 2167 21:35:05.066209  <6>[    0.402382] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62

 2168 21:35:05.073972  <6>[    0.402456] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC used to handle transactions

 2169 21:35:05.077122  <6>[    0.402715] ACPI: Interpreter enabled

 2170 21:35:05.081553  <6>[    0.402905] ACPI: (supports S0 S1 S3 S4 S5)

 2171 21:35:05.086741  <6>[    0.403062] ACPI: Using IOAPIC for interrupt routing

 2172 21:35:05.096141  <6>[    0.403276] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug

 2173 21:35:05.100818  <6>[    0.404073] ACPI: Enabled 3 GPEs in block 00 to 1F

 2174 21:35:05.105184  <6>[    0.406691] ACPI: Power Resource [P0U2] (off)

 2175 21:35:05.110003  <6>[    0.407004] ACPI: Power Resource [P3U2] (off)

 2176 21:35:05.114454  <6>[    0.408531] ACPI: Power Resource [P0U3] (off)

 2177 21:35:05.119676  <6>[    0.408803] ACPI: Power Resource [P3U3] (off)

 2178 21:35:05.123701  <6>[    0.417258] ACPI: Power Resource [PRIC] (on)

 2179 21:35:05.129545  <6>[    0.442938] ACPI: Power Resource [PRIC] (on)

 2180 21:35:05.134891  <6>[    0.473496] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff])

 2181 21:35:05.144424  <6>[    0.473730] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3]

 2182 21:35:05.151161  <6>[    0.474220] acpi PNP0A08:00: _OSC: OS now controls [PME PCIeCapability LTR]

 2183 21:35:05.162397  <6>[    0.474503] acpi PNP0A08:00: [Firmware Info]: MMCONFIG for domain 0000 [bus 00-1f] only partially covers this bridge

 2184 21:35:05.173834  <6>[    0.474977] acpi PNP0A08:00: host bridge window expanded to [io  0x0000-0x0cf7 window]; [io  0x03b0-0x03df window] ignored

 2185 21:35:05.179926  <6>[    0.475534] PCI host bridge to bus 0000:00

 2186 21:35:05.184725  <6>[    0.475688] pci_bus 0000:00: root bus resource [io  0x0000-0x0cf7 window]

 2187 21:35:05.191658  <6>[    0.475928] pci_bus 0000:00: root bus resource [io  0x0d00-0xffff window]

 2188 21:35:05.200870  <6>[    0.476168] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff]

 2189 21:35:05.206112  <6>[    0.476410] pci_bus 0000:00: root bus resource [mem 0x000c0000-0x000dffff]

 2190 21:35:05.213392  <6>[    0.476454] pci_bus 0000:00: root bus resource [mem 0xd0000000-0xffffffff]

 2191 21:35:05.218888  <6>[    0.476697] pci_bus 0000:00: root bus resource [bus 00-ff]

 2192 21:35:05.226514  <6>[    0.476948] pci 0000:00:00.0: [1022:1576] type 00 class 0x060000

 2193 21:35:05.231708  <6>[    0.477924] pci 0000:00:01.0: [1002:98e4] type 00 class 0x030000

 2194 21:35:05.239579  <6>[    0.478156] pci 0000:00:01.0: reg 0x10: [mem 0xf0000000-0xf3ffffff 64bit pref]

 2195 21:35:05.246652  <6>[    0.478419] pci 0000:00:01.0: reg 0x18: [mem 0xf4000000-0xf47fffff 64bit pref]

 2196 21:35:05.252137  <6>[    0.478460] pci 0000:00:01.0: reg 0x20: [io  0x1000-0x10ff]

 2197 21:35:05.259554  <6>[    0.478666] pci 0000:00:01.0: reg 0x24: [mem 0xf4d00000-0xf4d3ffff]

 2198 21:35:05.265284  <6>[    0.478894] pci 0000:00:01.0: reg 0x30: [mem 0xf4d40000-0xf4d5ffff pref]

 2199 21:35:05.270736  <6>[    0.479137] pci 0000:00:01.0: enabling Extended Tags

 2200 21:35:05.275671  <6>[    0.479517] pci 0000:00:01.0: supports D1 D2

 2201 21:35:05.281846  <6>[    0.479676] pci 0000:00:01.0: PME# supported from D1 D2 D3hot

 2202 21:35:05.288694  <6>[    0.480205] pci 0000:00:01.1: [1002:15b3] type 00 class 0x040300

 2203 21:35:05.295643  <6>[    0.480468] pci 0000:00:01.1: reg 0x10: [mem 0xf4d80000-0xf4d83fff 64bit]

 2204 21:35:05.299587  <6>[    0.480742] pci 0000:00:01.1: enabling Extended Tags

 2205 21:35:05.304637  <6>[    0.480970] pci 0000:00:01.1: supports D1 D2

 2206 21:35:05.310856  <6>[    0.481335] pci 0000:00:02.0: [1022:157b] type 00 class 0x060000

 2207 21:35:05.318034  <6>[    0.481673] pci 0000:00:02.2: [1022:157c] type 01 class 0x060400

 2208 21:35:05.323212  <6>[    0.481932] pci 0000:00:02.2: enabling Extended Tags

 2209 21:35:05.328215  <6>[    0.482176] pci 0000:00:02.2: PME# supported from D0 D3hot D3cold

 2210 21:35:05.334852  <6>[    0.482761] pci 0000:00:02.4: [1022:157c] type 01 class 0x060400

 2211 21:35:05.340278  <6>[    0.483019] pci 0000:00:02.4: enabling Extended Tags

 2212 21:35:05.346210  <6>[    0.483262] pci 0000:00:02.4: PME# supported from D0 D3hot D3cold

 2213 21:35:05.353334  <6>[    0.483762] pci 0000:00:03.0: [1022:157b] type 00 class 0x060000

 2214 21:35:05.359369  <6>[    0.484206] pci 0000:00:08.0: [1022:1578] type 00 class 0x108000

 2215 21:35:05.367277  <6>[    0.484467] pci 0000:00:08.0: reg 0x10: [mem 0xf4d60000-0xf4d7ffff 64bit pref]

 2216 21:35:05.372793  <6>[    0.484726] pci 0000:00:08.0: reg 0x18: [mem 0xf4b00000-0xf4bfffff]

 2217 21:35:05.379494  <6>[    0.484954] pci 0000:00:08.0: reg 0x1c: [mem 0xf4d88000-0xf4d88fff]

 2218 21:35:05.387787  <6>[    0.485182] pci 0000:00:08.0: reg 0x20: [mem 0xf4c00000-0xf4cfffff]

 2219 21:35:05.392143  <6>[    0.485458] pci 0000:00:08.0: reg 0x24: [mem 0xf4d84000-0xf4d85fff]

 2220 21:35:05.398774  <6>[    0.485904] pci 0000:00:09.0: [1022:157d] type 00 class 0x060000

 2221 21:35:05.404844  <6>[    0.486362] pci 0000:00:10.0: [1022:7914] type 00 class 0x0c0330

 2222 21:35:05.411796  <6>[    0.486478] pci 0000:00:10.0: reg 0x10: [mem 0xf4d86000-0xf4d87fff 64bit]

 2223 21:35:05.418386  <6>[    0.486853] pci 0000:00:10.0: PME# supported from D0 D3hot D3cold

 2224 21:35:05.424448  <6>[    0.487621] pci 0000:00:12.0: [1022:7908] type 00 class 0x0c0320

 2225 21:35:05.431446  <6>[    0.487853] pci 0000:00:12.0: reg 0x10: [mem 0xf4d89000-0xf4d890ff]

 2226 21:35:05.435991  <6>[    0.488170] pci 0000:00:12.0: supports D1 D2

 2227 21:35:05.442976  <6>[    0.488328] pci 0000:00:12.0: PME# supported from D0 D1 D2 D3hot D3cold

 2228 21:35:05.448982  <6>[    0.488729] pci 0000:00:14.0: [1022:790b] type 00 class 0x0c0500

 2229 21:35:05.455327  <6>[    0.489270] pci 0000:00:14.3: [1022:790e] type 00 class 0x060100

 2230 21:35:05.461165  <6>[    0.489795] pci 0000:00:14.7: [1022:7906] type 00 class 0x080501

 2231 21:35:05.469358  <6>[    0.490032] pci 0000:00:14.7: reg 0x10: [mem 0xf4d8a000-0xf4d8a0ff 64bit]

 2232 21:35:05.474463  <6>[    0.490518] pci 0000:00:14.7: PME# supported from D3cold

 2233 21:35:05.480186  <6>[    0.490985] pci 0000:00:18.0: [1022:15b0] type 00 class 0x060000

 2234 21:35:05.486466  <6>[    0.491404] pci 0000:00:18.1: [1022:15b1] type 00 class 0x060000

 2235 21:35:05.493167  <6>[    0.491654] pci 0000:00:18.2: [1022:15b2] type 00 class 0x060000

 2236 21:35:05.499423  <6>[    0.492077] pci 0000:00:18.3: [1022:15b3] type 00 class 0x060000

 2237 21:35:05.505132  <6>[    0.492663] pci 0000:00:18.4: [1022:15b4] type 00 class 0x060000

 2238 21:35:05.511795  <6>[    0.493074] pci 0000:00:18.5: [1022:15b5] type 00 class 0x060000

 2239 21:35:05.517756  <6>[    0.493686] pci 0000:01:00.0: [168c:003e] type 00 class 0x028000

 2240 21:35:05.525914  <6>[    0.493986] pci 0000:01:00.0: reg 0x10: [mem 0xf4800000-0xf49fffff 64bit]

 2241 21:35:05.530800  <6>[    0.494551] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold

 2242 21:35:05.536470  <6>[    0.495212] pci 0000:00:02.2: PCI bridge to [bus 01]

 2243 21:35:05.543345  <6>[    0.495400] pci 0000:00:02.2:   bridge window [mem 0xf4800000-0xf49fffff]

 2244 21:35:05.549510  <6>[    0.495652] pci 0000:02:00.0: [1217:8620] type 00 class 0x080501

 2245 21:35:05.556337  <6>[    0.495970] pci 0000:02:00.0: reg 0x10: [mem 0xf4a00000-0xf4a00fff]

 2246 21:35:05.562960  <6>[    0.496463] pci 0000:02:00.0: reg 0x14: [mem 0xf4a01000-0xf4a017ff]

 2247 21:35:05.568662  <6>[    0.496921] pci 0000:02:00.0: PME# supported from D3hot D3cold

 2248 21:35:05.573973  <6>[    0.499702] pci 0000:00:02.4: PCI bridge to [bus 02]

 2249 21:35:05.581444  <6>[    0.499898] pci 0000:00:02.4:   bridge window [mem 0xf4a00000-0xf4afffff]

 2250 21:35:05.588504  <6>[    0.502000] ACPI: PCI Interrupt Link [INTA] (IRQs *3 4 5 7 10 11 12 15)

 2251 21:35:05.595690  <6>[    0.502387] ACPI: PCI Interrupt Link [INTB] (IRQs 3 *4 5 7 10 11 12 15)

 2252 21:35:05.601737  <6>[    0.502565] ACPI: PCI Interrupt Link [INTC] (IRQs 3 4 *5 7 10 11 12 15)

 2253 21:35:05.608867  <6>[    0.502929] ACPI: PCI Interrupt Link [INTD] (IRQs 3 4 5 *7 10 11 12 15)

 2254 21:35:05.615315  <6>[    0.503493] ACPI: PCI Interrupt Link [INTE] (IRQs 3 4 5 7 10 *11 12 15)

 2255 21:35:05.621447  <6>[    0.503856] ACPI: PCI Interrupt Link [INTF] (IRQs 9) *0

 2256 21:35:05.628158  <6>[    0.504161] ACPI: PCI Interrupt Link [INTG] (IRQs 3 4 5 7 10 11 12 15) *0

 2257 21:35:05.635075  <6>[    0.504535] ACPI: PCI Interrupt Link [INTH] (IRQs 3 4 5 7 10 11 12 15) *0

 2258 21:35:05.639492  <6>[    0.508538] ACPI: EC: interrupt unblocked

 2259 21:35:05.643564  <6>[    0.508702] ACPI: EC: event unblocked

 2260 21:35:05.649307  <6>[    0.508845] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62

 2261 21:35:05.652229  <6>[    0.509033] ACPI: EC: GPE=0x3

 2262 21:35:05.659419  <6>[    0.509151] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC initialization complete

 2263 21:35:05.666742  <6>[    0.509400] ACPI: \_SB_.PCI0.LPCB.EC0_: EC: Used to handle transactions and events

 2264 21:35:05.671909  <6>[    0.509767] iommu: Default domain type: Translated 

 2265 21:35:05.678138  <6>[    0.510530] pci 0000:00:01.0: vgaarb: setting as boot VGA device

 2266 21:35:05.688233  <6>[    0.510735] pci 0000:00:01.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none

 2267 21:35:05.692513  <6>[    0.510735] pci 0000:00:01.0: vgaarb: bridge control possible

 2268 21:35:05.695884  <6>[    0.510735] vgaarb: loaded

 2269 21:35:05.700098  <5>[    0.511687] SCSI subsystem initialized

 2270 21:35:05.703996  <6>[    0.511847] ACPI: bus type USB registered

 2271 21:35:05.709778  <6>[    0.512494] usbcore: registered new interface driver usbfs

 2272 21:35:05.715512  <6>[    0.512730] usbcore: registered new interface driver hub

 2273 21:35:05.720316  <6>[    0.512942] usbcore: registered new device driver usb

 2274 21:35:05.725831  <6>[    0.530677] mc: Linux media interface: v0.10

 2275 21:35:05.731267  <6>[    0.531476] videodev: Linux video capture interface: v2.00

 2276 21:35:05.736473  <6>[    0.531703] pps_core: LinuxPPS API ver. 1 registered

 2277 21:35:05.746244  <6>[    0.531884] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@linux.it>

 2278 21:35:05.750273  <6>[    0.532207] PTP clock support registered

 2279 21:35:05.756093  <6>[    0.532586] Advanced Linux Sound Architecture Driver Initialized.

 2280 21:35:05.760615  <6>[    0.533661] NetLabel: Initializing

 2281 21:35:05.764172  <6>[    0.533792] NetLabel:  domain hash size = 128

 2282 21:35:05.770303  <6>[    0.533951] NetLabel:  protocols = UNLABELED CIPSOv4 CALIPSO

 2283 21:35:05.776209  <6>[    0.534203] NetLabel:  unlabeled traffic allowed by default

 2284 21:35:05.781344  <6>[    0.534550] PCI: Using ACPI for IRQ routing

 2285 21:35:05.786013  <6>[    0.536177] hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0

 2286 21:35:05.791771  <6>[    0.536364] hpet0: 3 comparators, 32-bit 14.318180 MHz counter

 2287 21:35:05.798377  <6>[    0.539535] clocksource: Switched to clocksource tsc-early

 2288 21:35:05.802075  <5>[    0.868802] VFS: Disk quotas dquot_6.6.0

 2289 21:35:05.809299  <6>[    0.868986] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes)

 2290 21:35:05.813789  <6>[    0.869523] pnp: PnP ACPI init

 2291 21:35:05.819167  <6>[    0.870065] system 00:00: [mem 0xfec1000a-0xfec11009] has been reserved

 2292 21:35:05.825188  <6>[    0.870712] system 00:03: [io  0x0900-0x09fe] has been reserved

 2293 21:35:05.830888  <6>[    0.871068] system 00:04: [io  0x0200] has been reserved

 2294 21:35:05.836466  <6>[    0.871262] system 00:04: [io  0x0204] has been reserved

 2295 21:35:05.842812  <6>[    0.871461] system 00:04: [io  0x0800-0x087f] has been reserved

 2296 21:35:05.849585  <6>[    0.871673] system 00:04: [io  0x0880-0x08ff] has been reserved

 2297 21:35:05.854203  <6>[    0.873460] pnp: PnP ACPI: found 6 devices

 2298 21:35:05.862717  <6>[    0.883730] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns

 2299 21:35:05.866783  <6>[    0.884137] NET: Registered protocol family 2

 2300 21:35:05.874280  <6>[    0.884496] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear)

 2301 21:35:05.883605  <6>[    0.885764] tcp_listen_portaddr_hash hash table entries: 2048 (order: 5, 163840 bytes, linear)

 2302 21:35:05.892430  <6>[    0.886139] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear)

 2303 21:35:05.898855  <6>[    0.886640] TCP bind hash table entries: 32768 (order: 9, 2359296 bytes, linear)

 2304 21:35:05.949943  <6>[    0.887921] TCP: Hash tables configured (established 32768 bind 32768)

 2305 21:35:05.955400  <6>[    0.888640] MPTCP token hash table entries: 4096 (order: 6, 360448 bytes, linear)

 2306 21:35:05.960658  <6>[    0.889061] UDP hash table entries: 2048 (order: 6, 327680 bytes, linear)

 2307 21:35:05.971808  <6>[    0.889456] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes, linear)

 2308 21:35:05.972827  <6>[    0.889977] NET: Registered protocol family 1

 2309 21:35:05.973270  <6>[    0.890666] RPC: Registered named UNIX socket transport module.

 2310 21:35:05.973731  <6>[    0.890899] RPC: Registered udp transport module.

 2311 21:35:05.974069  <6>[    0.891071] RPC: Registered tcp transport module.

 2312 21:35:05.975414  <6>[    0.891242] RPC: Registered tcp NFSv4.1 backchannel transport module.

 2313 21:35:05.975846  <6>[    0.891830] NET: Registered protocol family 44

 2314 21:35:05.976783  <6>[    0.892018] pci 0000:00:02.2: PCI bridge to [bus 01]

 2315 21:35:05.977898  <6>[    0.892214] pci 0000:00:02.2:   bridge window [mem 0xf4800000-0xf49fffff]

 2316 21:35:05.978279  <6>[    0.892461] pci 0000:00:02.4: PCI bridge to [bus 02]

 2317 21:35:05.984855  <6>[    0.892644] pci 0000:00:02.4:   bridge window [mem 0xf4a00000-0xf4afffff]

 2318 21:35:05.991396  <6>[    0.892892] pci_bus 0000:00: resource 4 [io  0x0000-0x0cf7 window]

 2319 21:35:05.998008  <6>[    0.893118] pci_bus 0000:00: resource 5 [io  0x0d00-0xffff window]

 2320 21:35:06.004086  <6>[    0.893338] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff]

 2321 21:35:06.011801  <6>[    0.893560] pci_bus 0000:00: resource 7 [mem 0x000c0000-0x000dffff]

 2322 21:35:06.017756  <6>[    0.893783] pci_bus 0000:00: resource 8 [mem 0xd0000000-0xffffffff]

 2323 21:35:06.023684  <6>[    0.894005] pci_bus 0000:01: resource 1 [mem 0xf4800000-0xf49fffff]

 2324 21:35:06.030656  <6>[    0.894235] pci_bus 0000:02: resource 1 [mem 0xf4a00000-0xf4afffff]

 2325 21:35:06.035022  <6>[    0.894585] pci 0000:00:01.0: disabling ATS

 2326 21:35:06.043711  <6>[    0.894745] pci 0000:00:01.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff]

 2327 21:35:06.050459  <6>[    0.895215] pci 0000:00:01.1: D0 power state depends on 0000:00:01.0

 2328 21:35:06.056886  <6>[    0.896205] pci 0000:00:10.0: PME# does not work under D0, disabling it

 2329 21:35:06.061253  <6>[    0.896968] PCI: CLS 64 bytes, default 64

 2330 21:35:06.065238  <6>[    0.897442] Unpacking initramfs...

 2331 21:35:06.068988  <6>[    1.157066] Freeing initrd memory: 10236K

 2332 21:35:06.075775  <6>[    1.157342] PCI-DMA: Using software bounce buffering for IO (SWIOTLB)

 2333 21:35:06.084152  <6>[    1.157573] software IO TLB: mapped [mem 0x00000000c9d0d000-0x00000000cdd0d000] (64MB)

 2334 21:35:06.089041  <6>[    1.157914] LVT offset 0 assigned for vector 0x400

 2335 21:35:06.093837  <6>[    1.158166] perf: AMD IBS detected (0x000007ff)

 2336 21:35:06.098344  <3>[    1.158391] kvm: no hardware support

 2337 21:35:06.102768  <6>[    1.158626] kvm: Nested Virtualization enabled

 2338 21:35:06.106803  <6>[    1.158792] SVM: kvm: Nested Paging enabled

 2339 21:35:06.111414  <6>[    1.158946] SVM: Virtual VMLOAD VMSAVE supported

 2340 21:35:06.116031  <6>[    1.159114] SVM: Virtual GIF supported

 2341 21:35:06.122190  <6>[    1.160608] check: Scanning for low memory corruption every 60 seconds

 2342 21:35:06.127076  <5>[    1.162086] Initialise system trusted keyrings

 2343 21:35:06.133977  <6>[    1.162441] workingset: timestamp_bits=56 max_order=20 bucket_order=0

 2344 21:35:06.139636  <5>[    1.172960] NFS: Registering the id_resolver key type

 2345 21:35:06.143922  <5>[    1.173180] Key type id_resolver registered

 2346 21:35:06.148370  <5>[    1.173363] Key type id_legacy registered

 2347 21:35:06.152395  <5>[    1.188230] Key type asymmetric registered

 2348 21:35:06.157013  <5>[    1.188405] Asymmetric key parser 'x509' registered

 2349 21:35:06.165531  <6>[    1.188639] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 248)

 2350 21:35:06.169882  <6>[    1.188911] io scheduler mq-deadline registered

 2351 21:35:06.174242  <6>[    1.189078] io scheduler kyber registered

 2352 21:35:06.178650  <4>[    1.189390] test_firmware: interface ready

 2353 21:35:06.184284  <6>[    1.191257] pcieport 0000:00:02.2: PME: Signaling with IRQ 25

 2354 21:35:06.190573  <6>[    1.191936] pcieport 0000:00:02.4: PME: Signaling with IRQ 26

 2355 21:35:06.194606  <6>[    1.192843] ACPI: AC Adapter [AC] (on-line)

 2356 21:35:06.206200  <6>[    1.193221] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:17/PNP0C09:00/PNP0C0D:00/input/input0

 2357 21:35:06.209904  <6>[    1.194119] ACPI: Lid Switch [LID0]

 2358 21:35:06.217471  <6>[    1.194389] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input1

 2359 21:35:06.222818  <6>[    1.194810] ACPI: Power Button [PWRF]

 2360 21:35:06.228541  <6>[    1.195195] ACPI: Video Device [IGFX] (multi-head: no  rom: yes  post: no)

 2361 21:35:06.238623  <6>[    1.195918] input: Video Bus as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/LNXVIDEO:00/input/input2

 2362 21:35:06.243548  <6>[    1.196366] ACPI: \_PR_.P000: Found 2 idle states

 2363 21:35:06.247525  <6>[    1.196940] ACPI: \_PR_.P001: Found 2 idle states

 2364 21:35:06.253731  <6>[    1.199007] thermal LNXTHERM:00: registered as thermal_zone0

 2365 21:35:06.258148  <6>[    1.199214] ACPI: Thermal Zone [THRM] (24 C)

 2366 21:35:06.265355  <6>[    1.199779] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled

 2367 21:35:06.271198  <6>[    1.199985] battery: ACPI: Battery Slot [BAT0] (battery absent)

 2368 21:35:06.277210  <6>[    1.202394] printk: console [ttyS0] disabled

 2369 21:35:06.284941  <6>[    1.202720] AMD0020:00: ttyS0 at MMIO 0xfedc6000 (irq = 10, base_baud = 3000000) is a 16550A

 2370 21:35:06.290311  <6>[    2.191552] tsc: Refined TSC clocksource calibration: 1597.002 MHz

 2371 21:35:06.295245  <6>[    2.195782] printk: console [ttyS0] enabled

 2372 21:35:06.305378  <6>[    2.202211] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x170514dcf86, max_idle_ns: 440795282824 ns

 2373 21:35:06.313845  <6>[    2.212427] AMD0020:01: ttyS1 at MMIO 0xfedc8000 (irq = 11, base_baud = 3000000) is a 16550A

 2374 21:35:06.319276  <6>[    4.009734] clocksource: Switched to clocksource tsc

 2375 21:35:06.323211  <6>[    4.010306] Non-volatile memory driver v1.3

 2376 21:35:06.327580  <6>[    4.019561] Linux agpgart interface v0.103

 2377 21:35:06.333354  <6>[    4.024167] ACPI: bus type drm_connector registered

 2378 21:35:06.338144  <6>[    4.029414] [drm] amdgpu kernel modesetting enabled.

 2379 21:35:06.344550  <6>[    4.034695] amdgpu 0000:00:01.0: vgaarb: deactivate vga console

 2380 21:35:06.353801  <6>[    4.041377] [drm] initializing kernel modesetting (STONEY 0x1002:0x98E4 0x1002:0x1EB0 0xEB).

 2381 21:35:06.362315  <4>[    4.050092] amdgpu 0000:00:01.0: amdgpu: Trusted Memory Zone (TMZ) feature not supported

 2382 21:35:06.367933  <6>[    4.058533] [drm] register mmio base: 0xF4D00000

 2383 21:35:06.372437  <6>[    4.063413] [drm] register mmio size: 262144

 2384 21:35:06.376834  <6>[    4.067950] [drm] add ip block number 0 <vi_common>

 2385 21:35:06.382260  <6>[    4.073087] [drm] add ip block number 1 <gmc_v8_0>

 2386 21:35:06.387039  <6>[    4.078138] [drm] add ip block number 2 <cz_ih>

 2387 21:35:06.392266  <6>[    4.082930] [drm] add ip block number 3 <gfx_v8_0>

 2388 21:35:06.397065  <6>[    4.087980] [drm] add ip block number 4 <sdma_v3_0>

 2389 21:35:06.402196  <6>[    4.093117] [drm] add ip block number 5 <powerplay>

 2390 21:35:06.407007  <6>[    4.098254] [drm] add ip block number 6 <dm>

 2391 21:35:06.411897  <6>[    4.102786] [drm] add ip block number 7 <uvd_v6_0>

 2392 21:35:06.417393  <6>[    4.107837] [drm] add ip block number 8 <vce_v3_0>

 2393 21:35:06.421977  <6>[    4.112890] [drm] add ip block number 9 <acp_ip>

 2394 21:35:06.429243  <6>[    4.117819] amdgpu 0000:00:01.0: amdgpu: Fetched VBIOS from VFCT

 2395 21:35:06.432788  <6>[    4.124087] amdgpu: ATOM BIOS: 113-C91400-010

 2396 21:35:06.438052  <6>[    4.128729] [drm] UVD is enabled in physical mode

 2397 21:35:06.441666  <6>[    4.133694] [drm] VCE enabled in VM mode

 2398 21:35:06.451351  <6>[    4.138012] [drm] vm size is 64 GB, 2 levels, block size is 10-bit, fragment size is 9-bit

 2399 21:35:06.460024  <6>[    4.146536] amdgpu 0000:00:01.0: amdgpu: VRAM: 16M 0x000000F400000000 - 0x000000F400FFFFFF (16M used)

 2400 21:35:06.469204  <6>[    4.156008] amdgpu 0000:00:01.0: amdgpu: GART: 1024M 0x000000FF00000000 - 0x000000FF3FFFFFFF

 2401 21:35:06.473710  <6>[    4.164708] [drm] Detected VRAM RAM=16M, BAR=16M

 2402 21:35:06.478219  <6>[    4.169586] [drm] RAM width 64bits UNKNOWN

 2403 21:35:06.485385  <6>[    4.174236] [TTM] Zone  kernel: Available graphics memory: 1968984 KiB

 2404 21:35:06.490337  <6>[    4.181055] [TTM] Initializing pool allocator

 2405 21:35:06.494731  <6>[    4.185695] [TTM] Initializing DMA pool allocator

 2406 21:35:06.500086  <6>[    4.190920] [drm] amdgpu: 16M of VRAM memory ready

 2407 21:35:06.505204  <6>[    4.196022] [drm] amdgpu: 2884M of GTT memory ready.

 2408 21:35:06.511688  <6>[    4.201251] [drm] GART: num cpu pages 262144, num gpu pages 262144

 2409 21:35:06.519101  <6>[    4.207785] [drm] PCIE GART of 1024M enabled (table at 0x000000F400401000).

 2410 21:35:06.527439  <6>[    4.217288] amdgpu: hwmgr_sw_init smu backed is smu8_smu

 2411 21:35:06.533208  <6>[    4.222923] [drm] Found UVD firmware Version: 1.43 Family ID: 15

 2412 21:35:06.537063  <6>[    4.229199] [drm] UVD ENC is disabled

 2413 21:35:06.543764  <6>[    4.233486] [drm] Found VCE firmware Version: 52.0 Binary ID: 3

 2414 21:35:06.549617  <6>[    4.241391] amdgpu: smu version 33.09.00

 2415 21:35:06.562438  <6>[    4.253417] [drm] DM_PPLIB: values for Engine clock

 2416 21:35:06.566570  <6>[    4.258562] [drm] DM_PPLIB:	 200000

 2417 21:35:06.571240  <6>[    4.262322] [drm] DM_PPLIB:	 300000

 2418 21:35:06.574599  <6>[    4.266074] [drm] DM_PPLIB:	 400000

 2419 21:35:06.577374  <6>[    4.269826] [drm] DM_PPLIB:	 450000

 2420 21:35:06.582119  <6>[    4.273583] [drm] DM_PPLIB:	 496560

 2421 21:35:06.585364  <6>[    4.277335] [drm] DM_PPLIB:	 533340

 2422 21:35:06.589435  <6>[    4.281089] [drm] DM_PPLIB:	 576000

 2423 21:35:06.592605  <6>[    4.284841] [drm] DM_PPLIB:	 600000

 2424 21:35:06.597593  <6>[    4.288608] [drm] DM_PPLIB: Validation clocks:

 2425 21:35:06.603717  <6>[    4.293315] [drm] DM_PPLIB:    engine_max_clock: 60000

 2426 21:35:06.608755  <6>[    4.298712] [drm] DM_PPLIB:    memory_max_clock: 93300

 2427 21:35:06.614142  <6>[    4.304106] [drm] DM_PPLIB:    level           : 8

 2428 21:35:06.618378  <6>[    4.309157] [drm] DM_PPLIB: values for Display clock

 2429 21:35:06.622384  <6>[    4.314381] [drm] DM_PPLIB:	 300000

 2430 21:35:06.626169  <6>[    4.318129] [drm] DM_PPLIB:	 400000

 2431 21:35:06.630239  <6>[    4.321879] [drm] DM_PPLIB:	 496560

 2432 21:35:06.635118  <6>[    4.325629] [drm] DM_PPLIB:	 626090

 2433 21:35:06.637188  <6>[    4.329379] [drm] DM_PPLIB:	 685720

 2434 21:35:06.641421  <6>[    4.333126] [drm] DM_PPLIB:	 757900

 2435 21:35:06.645042  <6>[    4.336874] [drm] DM_PPLIB:	 800000

 2436 21:35:06.648622  <6>[    4.340621] [drm] DM_PPLIB:	 847060

 2437 21:35:06.653221  <6>[    4.344369] [drm] DM_PPLIB: Validation clocks:

 2438 21:35:06.659638  <6>[    4.349072] [drm] DM_PPLIB:    engine_max_clock: 60000

 2439 21:35:06.664203  <6>[    4.354471] [drm] DM_PPLIB:    memory_max_clock: 93300

 2440 21:35:06.671459  <6>[    4.359865] [drm] DM_PPLIB:    level           : 8

 2441 21:35:06.674308  <6>[    4.364915] [drm] DM_PPLIB: values for Memory clock

 2442 21:35:06.678209  <6>[    4.370050] [drm] DM_PPLIB:	 667000

 2443 21:35:06.682146  <6>[    4.373800] [drm] DM_PPLIB:	 933000

 2444 21:35:06.686399  <6>[    4.377550] [drm] DM_PPLIB: Validation clocks:

 2445 21:35:06.692075  <6>[    4.382253] [drm] DM_PPLIB:    engine_max_clock: 60000

 2446 21:35:06.698044  <6>[    4.387650] [drm] DM_PPLIB:    memory_max_clock: 93300

 2447 21:35:06.702045  <6>[    4.393045] [drm] DM_PPLIB:    level           : 8

 2448 21:35:06.707915  <6>[    4.398219] [drm] Display Core initialized with v3.2.104!

 2449 21:35:06.816650  <6>[    4.507455] [drm] UVD initialized successfully.

 2450 21:35:06.922345  <6>[    4.613440] [drm] VCE initialized successfully.

 2451 21:35:06.931531  <6>[    4.618740] amdgpu 0000:00:01.0: amdgpu: SE 1, SH per SE 1, CU per SH 3, active_cu_number 3

 2452 21:35:06.937926  <6>[    4.628644] [drm] fb mappable at 0xCF86F000

 2453 21:35:06.942295  <6>[    4.633122] [drm] vram apper at 0xCF000000

 2454 21:35:06.945821  <6>[    4.637482] [drm] size 1179648

 2455 21:35:06.948211  <6>[    4.640800] [drm] fb depth is 8

 2456 21:35:06.952109  <6>[    4.644203] [drm]    pitch is 1536

 2457 21:35:06.961549  <6>[    4.648270] fbcon: amdgpudrmfb (fb0) is primary device

 2458 21:35:06.968279  <6>[    4.650215] Console: switching to colour frame buffer device 170x48

 2459 21:35:06.975442  <6>[    4.663948] amdgpu 0000:00:01.0: [drm] fb0: amdgpudrmfb frame buffer device

 2460 21:35:06.986813  <6>[    4.674861] [drm] Initialized amdgpu 3.40.0 20150101 for 0000:00:01.0 on minor 0

 2461 21:35:06.994382  <6>[    4.683855] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 1

 2462 21:35:07.004619  <6>[    4.697200] loop: module loaded

 2463 21:35:07.011904  <6>[    4.701023] lkdtm: No crash points registered, enable through debugfs

 2464 21:35:07.018312  <6>[    4.709105] e100: Intel(R) PRO/100 Network Driver

 2465 21:35:07.023906  <6>[    4.714077] e100: Copyright(c) 1999-2006 Intel Corporation

 2466 21:35:07.029075  <6>[    4.719859] e1000: Intel(R) PRO/1000 Network Driver

 2467 21:35:07.035246  <6>[    4.724997] e1000: Copyright (c) 1999-2006 Intel Corporation.

 2468 21:35:07.040776  <6>[    4.731070] e1000e: Intel(R) PRO/1000 Network Driver

 2469 21:35:07.046329  <6>[    4.736304] e1000e: Copyright(c) 1999 - 2015 Intel Corporation.

 2470 21:35:07.050414  <6>[    4.742532] sky2: driver version 1.30

 2471 21:35:07.056243  <6>[    4.746640] usbcore: registered new interface driver r8152

 2472 21:35:07.063812  <6>[    4.752658] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver

 2473 21:35:07.068006  <6>[    4.759479] ehci-pci: EHCI PCI platform driver

 2474 21:35:07.074019  <6>[    4.764584] ehci-pci 0000:00:12.0: EHCI Host Controller

 2475 21:35:07.082455  <6>[    4.770611] ehci-pci 0000:00:12.0: new USB bus registered, assigned bus number 1

 2476 21:35:07.087241  <6>[    4.778323] ehci-pci 0000:00:12.0: debug port 2

 2477 21:35:07.093154  <6>[    4.783282] ehci-pci 0000:00:12.0: irq 18, io mem 0xf4d89000

 2478 21:35:07.105708  <6>[    4.795726] ehci-pci 0000:00:12.0: USB 2.0 started, EHCI 1.00

 2479 21:35:07.114770  <6>[    4.802211] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10

 2480 21:35:07.123070  <6>[    4.810769] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1

 2481 21:35:07.129502  <6>[    4.818249] usb usb1: Product: EHCI Host Controller

 2482 21:35:07.134316  <6>[    4.823388] usb usb1: Manufacturer: Linux 5.10.212-cip44 ehci_hcd

 2483 21:35:07.138395  <6>[    4.829741] usb usb1: SerialNumber: 0000:00:12.0

 2484 21:35:07.143247  <6>[    4.835542] hub 1-0:1.0: USB hub found

 2485 21:35:07.147549  <6>[    4.839637] hub 1-0:1.0: 2 ports detected

 2486 21:35:07.155228  <6>[    4.844782] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver

 2487 21:35:07.159669  <6>[    4.851247] ohci-pci: OHCI PCI platform driver

 2488 21:35:07.166719  <6>[    4.856135] uhci_hcd: USB Universal Host Controller Interface driver

 2489 21:35:07.172173  <6>[    4.863091] xhci_hcd 0000:00:10.0: xHCI Host Controller

 2490 21:35:07.180687  <6>[    4.869288] xhci_hcd 0000:00:10.0: new USB bus registered, assigned bus number 2

 2491 21:35:07.190550  <6>[    4.877172] xhci_hcd 0000:00:10.0: hcc params 0x014040c3 hci version 0x100 quirks 0x0000000000000410

 2492 21:35:07.196889  <6>[    4.887578] xhci_hcd 0000:00:10.0: xHCI Host Controller

 2493 21:35:07.204665  <6>[    4.893325] xhci_hcd 0000:00:10.0: new USB bus registered, assigned bus number 3

 2494 21:35:07.211410  <6>[    4.900994] xhci_hcd 0000:00:10.0: Host supports USB 3.0 SuperSpeed

 2495 21:35:07.221089  <6>[    4.907732] usb usb2: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10

 2496 21:35:07.228096  <6>[    4.916272] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1

 2497 21:35:07.232868  <6>[    4.923752] usb usb2: Product: xHCI Host Controller

 2498 21:35:07.239854  <6>[    4.928897] usb usb2: Manufacturer: Linux 5.10.212-cip44 xhci-hcd

 2499 21:35:07.243826  <6>[    4.935251] usb usb2: SerialNumber: 0000:00:10.0

 2500 21:35:07.249143  <6>[    4.940732] hub 2-0:1.0: USB hub found

 2501 21:35:07.253035  <6>[    4.944829] hub 2-0:1.0: 4 ports detected

 2502 21:35:07.262088  <6>[    4.949765] usb usb3: We don't know the algorithms for LPM for this host, disabling LPM.

 2503 21:35:07.271024  <6>[    4.958191] usb usb3: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.10

 2504 21:35:07.278156  <6>[    4.966711] usb usb3: New USB device strings: Mfr=3, Product=2, SerialNumber=1

 2505 21:35:07.283128  <6>[    4.974196] usb usb3: Product: xHCI Host Controller

 2506 21:35:07.289452  <6>[    4.979396] usb usb3: Manufacturer: Linux 5.10.212-cip44 xhci-hcd

 2507 21:35:07.294375  <6>[    4.985750] usb usb3: SerialNumber: 0000:00:10.0

 2508 21:35:07.299078  <6>[    4.991195] hub 3-0:1.0: USB hub found

 2509 21:35:07.303172  <6>[    4.995294] hub 3-0:1.0: 4 ports detected

 2510 21:35:07.309787  <6>[    5.000252] usbcore: registered new interface driver usblp

 2511 21:35:07.316229  <6>[    5.006048] usbcore: registered new interface driver usb-storage

 2512 21:35:07.325573  <6>[    5.012619] udc-core: couldn't find an available UDC - added [g_ether] to list of pending drivers

 2513 21:35:07.332957  <6>[    5.021863] i8042: PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1

 2514 21:35:07.343270  <4>[    5.028911] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp

 2515 21:35:07.349183  <4>[    5.040621] i8042: Warning: Keylock active

 2516 21:35:07.354106  <6>[    5.045148] serio: i8042 KBD port at 0x60,0x64 irq 1

 2517 21:35:07.360657  <6>[    5.051697] rtc_cmos 00:01: RTC can wake from S4

 2518 21:35:07.366228  <6>[    5.057589] rtc_cmos 00:01: registered as rtc0

 2519 21:35:07.375428  <6>[    5.062533] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input3

 2520 21:35:07.382504  <6>[    5.063636] rtc_cmos 00:01: alarms up to one day, 114 bytes nvram, hpet irqs

 2521 21:35:07.391967  <6>[    5.079205] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com

 2522 21:35:07.398324  <6>[    5.087971] sdhci: Secure Digital Host Controller Interface driver

 2523 21:35:07.403069  <6>[    5.094412] sdhci: Copyright(c) Pierre Ossman

 2524 21:35:07.410508  <6>[    5.099234] sdhci-pci 0000:00:14.7: SDHCI controller found [1022:7906] (rev 1)

 2525 21:35:07.420163  <6>[    5.109726] usb 1-1: new high-speed USB device number 2 using ehci-pci

 2526 21:35:07.526436  <6>[    5.215047] mmc0: SDHCI controller on PCI [0000:00:14.7] using ADMA 64-bit

 2527 21:35:07.533449  <6>[    5.220505] usb 2-4: new high-speed USB device number 2 using xhci_hcd

 2528 21:35:07.540746  <6>[    5.222647] sdhci-pci 0000:02:00.0: SDHCI controller found [1217:8620] (rev 1)

 2529 21:35:07.549339  <6>[    5.238585] mmc1: emmc 1.8v flag is set, force 1.8v signaling voltage

 2530 21:35:07.556900  <6>[    5.246136] mmc1: SDHCI controller on PCI [0000:02:00.0] using ADMA

 2531 21:35:07.562251  <6>[    5.252959] hid: raw HID events driver (C) Jiri Kosina

 2532 21:35:07.572645  <6>[    5.258923] usb 1-1: New USB device found, idVendor=0438, idProduct=7900, bcdDevice= 0.18

 2533 21:35:07.577864  <6>[    5.265752] usbcore: registered new interface driver usbhid

 2534 21:35:07.587044  <6>[    5.267395] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0

 2535 21:35:07.590038  <6>[    5.273222] usbhid: USB HID core driver

 2536 21:35:07.595226  <6>[    5.277292] cros_ec_lpcs GOOG0004:00: Chrome EC device registered

 2537 21:35:07.600029  <6>[    5.284981] hub 1-1:1.0: USB hub found

 2538 21:35:07.606268  <6>[    5.292638] snd_hda_intel 0000:00:01.1: Force to non-snoop mode

 2539 21:35:07.609588  <6>[    5.301408] hub 1-1:1.0: 4 ports detected

 2540 21:35:07.614012  <6>[    5.305900] netem: version 1.3

 2541 21:35:07.620970  <3>[    5.308702] snd_hda_intel 0000:00:01.1: Cannot probe codecs, giving up

 2542 21:35:07.626387  <6>[    5.309391] ipip: IPv4 and MPLS over IPv4 tunneling driver

 2543 21:35:07.631626  <6>[    5.322962] IPv4 over IPsec tunneling driver

 2544 21:35:07.636769  <6>[    5.327869] Initializing XFRM netlink socket

 2545 21:35:07.641849  <6>[    5.332883] NET: Registered protocol family 10

 2546 21:35:07.647001  <6>[    5.338935] Segment Routing with IPv6

 2547 21:35:07.652041  <6>[    5.343680] NET: Registered protocol family 17

 2548 21:35:07.657166  <6>[    5.348695] 8021q: 802.1Q VLAN Support v1.8

 2549 21:35:07.662325  <5>[    5.353309] Key type dns_resolver registered

 2550 21:35:07.669794  <6>[    5.357860] x86/pm: family 0x15 cpu detected, MSR saving is needed during suspending.

 2551 21:35:07.675855  <6>[    5.366768] microcode: CPU0: patch_level=0x06006705

 2552 21:35:07.681111  <6>[    5.371966] microcode: CPU1: patch_level=0x06006705

 2553 21:35:07.686640  <6>[    5.377213] microcode: Microcode Update Driver: v2.2.

 2554 21:35:07.690871  <6>[    5.377224] IPI shorthand broadcast: enabled

 2555 21:35:07.699593  <6>[    5.387278] sched_clock: Marking stable (5357615390, 29463208)->(5413328765, -26250167)

 2556 21:35:07.704655  <6>[    5.395844] registered taskstats version 1

 2557 21:35:07.709173  <5>[    5.400238] Loading compiled-in X.509 certificates

 2558 21:35:07.715125  <6>[    5.406940] PM:   Magic number: 0:689:600

 2559 21:35:07.719134  <6>[    5.411402] drm ttm: hash matches

 2560 21:35:07.728754  <6>[    5.415171] usb 2-4: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=31.00

 2561 21:35:07.735109  <6>[    5.423615] usb 2-4: New USB device strings: Mfr=1, Product=2, SerialNumber=6

 2562 21:35:07.740267  <6>[    5.431118] usb 2-4: Product: USB 10/100/1000 LAN

 2563 21:35:07.744612  <6>[    5.431122] usb 2-4: Manufacturer: Realtek

 2564 21:35:07.748774  <6>[    5.431125] usb 2-4: SerialNumber: 001000001

 2565 21:35:07.753845  <6>[    5.436149] printk: console [netcon0] enabled

 2566 21:35:07.758604  <6>[    5.449632] netconsole: network logging started

 2567 21:35:07.765145  <6>[    5.455079] acpi_cpufreq: overriding BIOS provided _PSD data

 2568 21:35:07.877249  <6>[    5.564716] usb 2-4: reset high-speed USB device number 2 using xhci_hcd

 2569 21:35:07.959572  <6>[    5.648485] usb 1-1.1: new high-speed USB device number 3 using ehci-pci

 2570 21:35:08.070796  <6>[    5.758104] usb 1-1.1: New USB device found, idVendor=0408, idProduct=5186, bcdDevice= 0.03

 2571 21:35:08.078243  <6>[    5.766731] usb 1-1.1: New USB device strings: Mfr=1, Product=2, SerialNumber=3

 2572 21:35:08.083784  <6>[    5.774307] usb 1-1.1: Product: HP TrueVision HD Camera

 2573 21:35:08.089078  <6>[    5.779794] usb 1-1.1: Manufacturer: SunplusIT Inc

 2574 21:35:08.093897  <6>[    5.784847] usb 1-1.1: SerialNumber: SunplusIT Inc

 2575 21:35:08.132088  <6>[    5.821307] r8152 2-4:1.0: load rtl8153b-2 v2 04/27/23 successfully

 2576 21:35:08.190829  <6>[    5.879491] usb 1-1.2: new full-speed USB device number 4 using ehci-pci

 2577 21:35:08.198488  <6>[    5.890130] r8152 2-4:1.0 eth0: v1.11.11

 2578 21:35:08.291559  <6>[    5.978709] usb 1-1.2: New USB device found, idVendor=0cf3, idProduct=e300, bcdDevice= 0.01

 2579 21:35:08.299526  <6>[    5.987339] usb 1-1.2: New USB device strings: Mfr=0, Product=0, SerialNumber=0

 2580 21:35:08.842003  <6>[    6.532630] mmc1: new HS200 MMC card at address 0001

 2581 21:35:08.847480  <6>[    6.538911] mmcblk1: mmc1:0001 DF4016 14.7 GiB 

 2582 21:35:08.853827  <6>[    6.543920] mmcblk1boot0: mmc1:0001 DF4016 partition 1 4.00 MiB

 2583 21:35:08.860429  <6>[    6.550260] mmcblk1boot1: mmc1:0001 DF4016 partition 2 4.00 MiB

 2584 21:35:08.868237  <6>[    6.556870] mmcblk1rpmb: mmc1:0001 DF4016 partition 3 4.00 MiB, chardev (245:0)

 2585 21:35:08.884702  <6>[    6.574766]  mmcblk1: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12

 2586 21:35:09.842187  <6>[    7.531734] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready

 2587 21:35:09.846567  <6>[    7.532807] r8152 2-4:1.0 eth0: carrier on

 2588 21:35:12.038408  <5>[    7.543527] Sending DHCP requests .., OK

 2589 21:35:12.046282  <6>[    9.733926] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.11

 2590 21:35:12.049371  <6>[    9.742190] IP-Config: Complete:

 2591 21:35:12.060380  <6>[    9.745837]      device=eth0, hwaddr=00:e0:4c:78:85:55, ipaddr=192.168.201.11, mask=255.255.255.0, gw=192.168.201.1

 2592 21:35:12.068327  <6>[    9.756526]      host=hp-11a-g6-ee-grunt-cbg-8, domain=lava-rack, nis-domain=(none)

 2593 21:35:12.075454  <6>[    9.764438]      bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath=

 2594 21:35:12.079857  <6>[    9.764440]      nameserver0=192.168.201.1

 2595 21:35:12.088079  <5>[    9.776448] cfg80211: Loading compiled-in X.509 certificates for regulatory database

 2596 21:35:12.099660  <6>[    9.789071] modprobe (98) used greatest stack depth: 14208 bytes left

 2597 21:35:12.106537  <6>[    9.795798] modprobe (99) used greatest stack depth: 14120 bytes left

 2598 21:35:12.113113  <5>[    9.796771] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7'

 2599 21:35:12.121522  <5>[    9.809651] cfg80211: Loaded X.509 cert 'wens: 61c038651aabdcf94bd0ac7ff06c7248db18c600'

 2600 21:35:12.131448  <4>[    9.818372] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2

 2601 21:35:12.134170  <6>[    9.823648] ALSA device list:

 2602 21:35:12.140210  <6>[    9.827415] cfg80211: failed to load regulatory.db

 2603 21:35:12.142929  <6>[    9.830621]   No soundcards found.

 2604 21:35:12.149750  <4>[    9.839844] dw-apb-uart AMD0020:00: forbid DMA for kernel console

 2605 21:35:12.160736  <6>[    9.851010] Freeing unused kernel image (initmem) memory: 2160K

 2606 21:35:12.172749  <6>[    9.862851] Write protecting the kernel read-only data: 38912k

 2607 21:35:12.181152  <6>[    9.870386] Freeing unused kernel image (text/rodata gap) memory: 2028K

 2608 21:35:12.188085  <6>[    9.877699] Freeing unused kernel image (rodata/data gap) memory: 716K

 2609 21:35:12.192152  <6>[    9.884522] Run /init as init process

 2610 21:35:12.205346  <6>[    9.895121] cat (108) used greatest stack depth: 14024 bytes left

 2611 21:35:12.207404  Loading, please wait...

 2612 21:35:12.224467  Starting version 247.3-7+deb11u4

 2613 21:35:12.296819  <6>[    9.986294] udevadm (122) used greatest stack depth: 13560 bytes left

 2614 21:35:12.510806  <4>[   10.197781] da7219 i2c-DLGS7219:00: Using default DAI clk names: da7219-dai-wclk, da7219-dai-bclk

 2615 21:35:12.516850  <6>[   10.208077] chromeos ramoops using acpi device.

 2616 21:35:12.536433  <4>[   10.224530] cros-usbpd-notify-acpi GOOG0003:00: Couldn't get Chrome EC device pointer.

 2617 21:35:12.557919  <6>[   10.245232] cz-da7219-max98357a AMD7219:00: ASoC: CPU DAI designware-i2s.1.auto not registered

 2618 21:35:12.574026  <3>[   10.260980] cz-da7219-max98357a AMD7219:00: devm_snd_soc_register_card(acpd7219m98357) failed: -517

 2619 21:35:12.584286  <3>[   10.273394] designware-i2s designware-i2s.1.auto: IRQ index 0 not found

 2620 21:35:12.596240  <6>[   10.283454] cz-da7219-max98357a AMD7219:00: ASoC: CPU DAI designware-i2s.2.auto not registered

 2621 21:35:12.610884  <3>[   10.300258] designware-i2s designware-i2s.2.auto: IRQ index 0 not found

 2622 21:35:12.622914  <3>[   10.309667] cz-da7219-max98357a AMD7219:00: devm_snd_soc_register_card(acpd7219m98357) failed: -517

 2623 21:35:12.632215  <3>[   10.321849] designware-i2s designware-i2s.3.auto: IRQ index 0 not found

 2624 21:35:12.685385  <6>[   10.374078] uvcvideo: Found UVC 1.00 device HP TrueVision HD Camera (0408:5186)

 2625 21:35:12.695767  <6>[   10.386382]  amd-da7219-play: codec dai name = da7219-hifi

 2626 21:35:12.700504  

 2627 21:35:12.700611  

 2628 21:35:12.706807  coreboot-56f9d1cd49 Thu Sep  5 21:57:06 UTC 2019 smm starting...

 2629 21:35:12.706894  

 2630 21:35:12.707198  SMI# #0

 2631 21:35:12.708764  GSMI Unknown: 0xff

 2632 21:35:12.724083  <6>[   10.411157] input: acpd7219m98357 Headset Jack as /devices/platform/AMD7219:00/sound/card0/input4

 2633 21:35:12.725854  <6>[   10.418207

 2634 21:35:12.725944  

 2635 21:35:12.731912  coreboot-56f9d1cd49 Thu Sep  5 21:57:06 UTC 2019 smm starting...

 2636 21:35:12.732249  

 2637 21:35:12.732646  SMI# #1

 2638 21:35:12.734231  GSMI Handshake

 2639 21:35:12.744259  ] input: HP TrueVision HD Camera: HP Tru as /devices/pci0000:00/0000:00:12.0/usb1/1-1/1-1.1/1-1.1:1.0/input/input5

 2640 21:35:12.757176  <6>[   10.448984] Registered efivars operations

 2641 21:35:12.761142  <6>[   10.453614] gsmi version 1.0 loaded

 2642 21:35:12.769812  <6>[   10.459940] usbcore: registered new interface driver uvcvideo

 2643 21:35:12.774158  <6>[   10.465962] USB Video Class driver (1.1.1)

 2644 21:35:12.838563  Begin: Loading essential drivers ... done.

 2645 21:35:12.842188  Begin: Running /scripts/init-premount ... done.

 2646 21:35:12.848228  Begin: Mounting root file system ... Begin: Running /scripts/nfs-top ... done.

 2647 21:35:12.857028  Begin: Running /scripts/nfs-premount ... Waiting up to 60 secs for any ethernet to become available

 2648 21:35:12.860239  Device /sys/class/net/eth0 found

 2649 21:35:12.860322  done.

 2650 21:35:12.869242  IP-Config: eth0 hardware address 00:e0:4c:78:85:55 mtu 1500 DHCP

 2651 21:35:12.874080  IP-Config: eth0 complete (dhcp from 192.168.201.1):

 2652 21:35:12.881235   address: 192.168.201.11   broadcast: 192.168.201.255  netmask: 255.255.255.0   

 2653 21:35:12.888019   gateway: 192.168.201.1    dns0     : 192.168.201.1    dns1   : 0.0.0.0         

 2654 21:35:12.896378   host   : hp-11a-g6-ee-grunt-cbg-8                                        

 2655 21:35:12.901360   domain : lava-rack                                                       

 2656 21:35:12.904906   rootserver: 192.168.201.1 rootpath: 

 2657 21:35:12.906122   filename  : 

 2658 21:35:12.994459  <6>[   10.683523] nfsmount (164) used greatest stack depth: 12520 bytes left

 2659 21:35:12.994842  done.

 2660 21:35:13.001872  Begin: Running /scripts/nfs-bottom ... done.

 2661 21:35:13.015036  Begin: Running /scripts/init-bottom ... done.

 2662 21:35:14.023209  SELinux:  Could not open policy file <= /etc/selinux/targeted/policy/policy.33:  No such file or directory

 2663 21:35:14.205381  <30>[   11.878428] 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)

 2664 21:35:14.222842  <30>[   11.913920] systemd[1]: Detected architecture x86-64.

 2665 21:35:14.240724  

 2666 21:35:14.244760  Welcome to Debian GNU/Linux 11 (bullseye)!

 2667 21:35:14.244855  

 2668 21:35:14.253874  <30>[   11.943561] systemd[1]: Set hostname to <debian-bullseye-amd64>.

 2669 21:35:14.816332  <30>[   12.504750] systemd[1]: Queued start job for default target Graphical Interface.

 2670 21:35:14.823963  <30>[   12.514696] systemd[1]: Created slice system-getty.slice.

 2671 21:35:14.830326  [  OK  ] Created slice system-getty.slice.

 2672 21:35:14.837042  <30>[   12.527447] systemd[1]: Created slice system-modprobe.slice.

 2673 21:35:14.843255  [  OK  ] Created slice system-modprobe.slice.

 2674 21:35:14.853893  <30>[   12.543643] systemd[1]: Created slice system-serial\x2dgetty.slice.

 2675 21:35:14.860720  [  OK  ] Created slice system-serial\x2dgetty.slice.

 2676 21:35:14.869057  <30>[   12.559363] systemd[1]: Created slice User and Session Slice.

 2677 21:35:14.875783  [  OK  ] Created slice User and Session Slice.

 2678 21:35:14.887272  <30>[   12.575319] systemd[1]: Started Dispatch Password Requests to Console Directory Watch.

 2679 21:35:14.895311  [  OK  ] Started Dispatch Password …ts to Console Directory Watch.

 2680 21:35:14.904564  <30>[   12.593127] systemd[1]: Started Forward Password Requests to Wall Directory Watch.

 2681 21:35:14.913137  [  OK  ] Started Forward Password R…uests to Wall Directory Watch.

 2682 21:35:14.924579  <30>[   12.611018] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point.

 2683 21:35:14.932875  [  OK  ] Set up automount Arbitrary…s File System Automount Point.

 2684 21:35:14.939751  <30>[   12.629954] systemd[1]: Reached target Local Encrypted Volumes.

 2685 21:35:14.946607  [  OK  ] Reached target Local Encrypted Volumes.

 2686 21:35:14.953284  <30>[   12.644927] systemd[1]: Reached target Paths.

 2687 21:35:14.958257  [  OK  ] Reached target Paths.

 2688 21:35:14.965606  <30>[   12.655889] systemd[1]: Reached target Remote File Systems.

 2689 21:35:14.971732  [  OK  ] Reached target Remote File Systems.

 2690 21:35:14.979710  <30>[   12.670889] systemd[1]: Reached target Slices.

 2691 21:35:14.984488  [  OK  ] Reached target Slices.

 2692 21:35:14.990299  <30>[   12.681893] systemd[1]: Reached target Swap.

 2693 21:35:14.995169  [  OK  ] Reached target Swap.

 2694 21:35:15.004208  <30>[   12.693353] systemd[1]: Listening on initctl Compatibility Named Pipe.

 2695 21:35:15.011081  [  OK  ] Listening on initctl Compatibility Named Pipe.

 2696 21:35:15.019469  <30>[   12.709848] systemd[1]: Listening on Journal Audit Socket.

 2697 21:35:15.025281  [  OK  ] Listening on Journal Audit Socket.

 2698 21:35:15.035548  <30>[   12.725863] systemd[1]: Listening on Journal Socket (/dev/log).

 2699 21:35:15.042367  [  OK  ] Listening on Journal Socket (/dev/log).

 2700 21:35:15.050462  <30>[   12.741447] systemd[1]: Listening on Journal Socket.

 2701 21:35:15.056004  [  OK  ] Listening on Journal Socket.

 2702 21:35:15.064034  <30>[   12.753762] systemd[1]: Listening on Network Service Netlink Socket.

 2703 21:35:15.071179  [  OK  ] Listening on Network Service Netlink Socket.

 2704 21:35:15.081077  <30>[   12.771372] systemd[1]: Listening on udev Control Socket.

 2705 21:35:15.087081  [  OK  ] Listening on udev Control Socket.

 2706 21:35:15.095886  <30>[   12.786328] systemd[1]: Listening on udev Kernel Socket.

 2707 21:35:15.101838  [  OK  ] Listening on udev Kernel Socket.

 2708 21:35:15.112437  <30>[   12.803210] systemd[1]: Mounting Huge Pages File System...

 2709 21:35:15.118168           Mounting Huge Pages File System...

 2710 21:35:15.128280  <30>[   12.817747] systemd[1]: Mounting POSIX Message Queue File System...

 2711 21:35:15.134165           Mounting POSIX Message Queue File System...

 2712 21:35:15.144161  <30>[   12.834673] systemd[1]: Mounting Kernel Debug File System...

 2713 21:35:15.149698           Mounting Kernel Debug File System...

 2714 21:35:15.160497  <30>[   12.850946] systemd[1]: Mounting Kernel Trace File System...

 2715 21:35:15.166324           Mounting Kernel Trace File System...

 2716 21:35:15.186563  <30>[   12.873872] systemd[1]: Starting Create list of static device nodes for the current kernel...

 2717 21:35:15.193884           Starting Create list of st…odes for the current kernel...

 2718 21:35:15.203746  <30>[   12.893891] systemd[1]: Starting Load Kernel Module configfs...

 2719 21:35:15.209655           Starting Load Kernel Module configfs...

 2720 21:35:15.222944  <30>[   12.913309] systemd[1]: Starting Load Kernel Module drm...

 2721 21:35:15.228276           Starting Load Kernel Module drm...

 2722 21:35:15.237254  <30>[   12.927861] systemd[1]: Starting Load Kernel Module fuse...

 2723 21:35:15.242759           Starting Load Kernel Module fuse...

 2724 21:35:15.268018  <30>[   12.954954] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped.

 2725 21:35:15.279100  <30>[   12.970253] systemd[1]: Starting Journal Service...

 2726 21:35:15.283893           Starting Journal Service...

 2727 21:35:15.316823  <6>[   13.008415] fuse: init (API version 7.32)

 2728 21:35:15.332008  <30>[   13.022779] systemd[1]: Starting Load Kernel Modules...

 2729 21:35:15.337247           Starting Load Kernel Modules...

 2730 21:35:15.350377  <30>[   13.039796] systemd[1]: Starting Remount Root and Kernel File Systems...

 2731 21:35:15.356996           Starting Remount Root and Kernel File Systems...

 2732 21:35:15.365317  <30>[   13.055848] systemd[1]: Starting Coldplug All udev Devices...

 2733 21:35:15.371147           Starting Coldplug All udev Devices...

 2734 21:35:15.384234  <30>[   13.074827] systemd[1]: Mounted Huge Pages File System.

 2735 21:35:15.390178  [  OK  ] Mounted Huge Pages File System.

 2736 21:35:15.398634  <30>[   13.088658] systemd[1]: Mounted POSIX Message Queue File System.

 2737 21:35:15.414518  [  OK  ] Mounted POSIX Message Queue File System.

 2738 21:35:15.422132  <30>[   13.112570] systemd[1]: Mounted Kernel Debug File System.

 2739 21:35:15.428527  [  OK  ] Mounted Kernel Debug File System.

 2740 21:35:15.436246  <30>[   13.126769] systemd[1]: Mounted Kernel Trace File System.

 2741 21:35:15.442405  [  OK  ] Mounted Kernel Trace File System.

 2742 21:35:15.457395  <30>[   13.145282] systemd[1]: Finished Create list of static device nodes for the current kernel.

 2743 21:35:15.466104  [  OK  ] Finished Create list of st… nodes for the current kernel.

 2744 21:35:15.477165  <30>[   13.167378] systemd[1]: modprobe@configfs.service: Succeeded.

 2745 21:35:15.485335  <30>[   13.175656] systemd[1]: Finished Load Kernel Module configfs.

 2746 21:35:15.492187  [  OK  ] Finished Load Kernel Module configfs.

 2747 21:35:15.503540  <30>[   13.194168] systemd[1]: modprobe@drm.service: Succeeded.

 2748 21:35:15.510681  <30>[   13.201258] systemd[1]: Finished Load Kernel Module drm.

 2749 21:35:15.516993  [  OK  ] Finished Load Kernel Module drm.

 2750 21:35:15.528481  <30>[   13.218765] systemd[1]: modprobe@fuse.service: Succeeded.

 2751 21:35:15.536597  <30>[   13.227121] systemd[1]: Finished Load Kernel Module fuse.

 2752 21:35:15.543060  [  OK  ] Finished Load Kernel Module fuse.

 2753 21:35:15.550593  <30>[   13.241956] systemd[1]: Started Journal Service.

 2754 21:35:15.556604  [  OK  ] Started Journal Service.

 2755 21:35:15.566748  [  OK  ] Finished Load Kernel Modules.

 2756 21:35:15.577728  [  OK  ] Finished Remount Root and Kernel File Systems.

 2757 21:35:15.588253           Mounting FUSE Control File System...

 2758 21:35:15.597746           Mounting Kernel Configuration File System...

 2759 21:35:15.610964           Starting Flush Journal to Persistent Storage...

 2760 21:35:15.621631           Starting Load/Save Random Seed...

 2761 21:35:15.631608           Starting Apply Kernel Variables...

 2762 21:35:15.641211           Starting Create System Users...

 2763 21:35:15.657532  [  OK  ] Mounted FUSE Control File System.

 2764 21:35:15.667543  [  OK  ] Mounted Kernel Configuration File System.

 2765 21:35:15.675184  <46>[   13.360215] systemd-journald[199]: Received client request to flush runtime journal.

 2766 21:35:15.701389  [  OK  ] Finished Load/Save Random Seed.

 2767 21:35:15.711206  [  OK  ] Finished Apply Kernel Variables.

 2768 21:35:15.929684  [  OK  ] Finished Coldplug All udev Devices.

 2769 21:35:16.785954  [  OK  ] Finished Create System Users.

 2770 21:35:16.794680           Starting Create Static Device Nodes in /dev...

 2771 21:35:17.131601  [  OK  ] Finished Flush Journal to Persistent Storage.

 2772 21:35:17.184203  <6>[   14.873307] systemd-tmpfile (211) used greatest stack depth: 12368 bytes left

 2773 21:35:17.191869  [  OK  ] Finished Create Static Device Nodes in /dev.

 2774 21:35:17.201450  [  OK  ] Reached target Local File Systems (Pre).

 2775 21:35:17.210910  [  OK  ] Reached target Local File Systems.

 2776 21:35:17.222668           Starting Create Volatile Files and Directories...

 2777 21:35:17.237535           Starting Rule-based Manage…for Device Events and Files...

 2778 21:35:17.415940  [  OK  ] Started Rule-based Manager for Device Events and Files.

 2779 21:35:17.428868           Starting Network Service...

 2780 21:35:17.502207  [  OK  ] Finished Create Volatile Files and Directories.

 2781 21:35:17.519645           Starting Network Time Synchronization...

 2782 21:35:17.537292           Starting Update UTMP about System Boot/Shutdown...

 2783 21:35:17.626637  [  OK  ] Finished Update UTMP about System Boot/Shutdown.

 2784 21:35:18.133381  [  OK  ] Created slice system-systemd\x2dbacklight.slice.

 2785 21:35:18.150017           Starting Load/Save Screen …ess of backlight:amdgpu_bl0...

 2786 21:35:18.346740  [  OK  ] Found device /dev/ttyS0.

 2787 21:35:18.383408  [  OK  ] Started Network Time Synchronization.

 2788 21:35:18.392256  [  OK  ] Reached target System Time Set.

 2789 21:35:18.402583  [  OK  ] Reached target System Time Synchronized.

 2790 21:35:18.435915  [FAILED] Failed to start Load/Save …tness of backlight:amdgpu_bl0.

 2791 21:35:18.443691  See 'systemctl status systemd-backlight…klight:amdgpu_bl0.service' for details.

 2792 21:35:18.451911  [  OK  ] Started Network Service.

 2793 21:35:18.860848  [  OK  ] Reached target Sound Card.

 2794 21:35:18.870241  [  OK  ] Reached target System Initialization.

 2795 21:35:18.888117  [  OK  ] Started Daily apt download activities.

 2796 21:35:18.901126  [  OK  ] Started Daily apt upgrade and clean activities.

 2797 21:35:18.914217  [  OK  ] Started Periodic ext4 Onli…ata Check for All Filesystems.

 2798 21:35:18.924275  [  OK  ] Started Discard unused blocks once a week.

 2799 21:35:18.934111  [  OK  ] Started Daily Cleanup of Temporary Directories.

 2800 21:35:18.941745  [  OK  ] Reached target Timers.

 2801 21:35:18.955590  [  OK  ] Listening on D-Bus System Message Bus Socket.

 2802 21:35:18.964000  [  OK  ] Reached target Sockets.

 2803 21:35:18.972361  [  OK  ] Reached target Basic System.

 2804 21:35:18.984660  [  OK  ] Listening on Load/Save RF …itch Status /dev/rfkill Watch.

 2805 21:35:18.997229  [  OK  ] Started D-Bus System Message Bus.

 2806 21:35:19.053152           Starting Remove Stale Onli…t4 Metadata Check Snapshots...

 2807 21:35:19.084808           Starting User Login Management...

 2808 21:35:19.108970           Starting Network Name Resolution...

 2809 21:35:19.420588  [  OK  ] Started User Login Management.

 2810 21:35:19.487929  [  OK  ] Finished Remove Stale Onli…ext4 Metadata Check Snapshots.

 2811 21:35:19.937662  [  OK  ] Started Network Name Resolution.

 2812 21:35:19.946556  [  OK  ] Reached target Network.

 2813 21:35:19.957201  [  OK  ] Reached target Host and Network Name Lookups.

 2814 21:35:19.967681           Starting Permit User Sessions...

 2815 21:35:19.990356  [  OK  ] Finished Permit User Sessions.

 2816 21:35:20.002015  [  OK  ] Started Getty on tty1.

 2817 21:35:20.013708  [  OK  ] Started Serial Getty on ttyS0.

 2818 21:35:20.023102  [  OK  ] Reached target Login Prompts.

 2819 21:35:20.032239  [  OK  ] Reached target Multi-User System.

 2820 21:35:20.041529  [  OK  ] Reached target Graphical Interface.

 2821 21:35:20.055797           Starting Update UTMP about System Runlevel Changes...

 2822 21:35:20.080537  [  OK  ] Finished Update UTMP about System Runlevel Changes.

 2823 21:35:20.153027  

 2824 21:35:20.154299  

 2825 21:35:20.157712  Debian GNU/Linux 11 debian-bullseye-amd64 ttyS0

 2826 21:35:20.157795  

 2827 21:35:20.162485  debian-bullseye-amd64 login: root (automatic login)

 2828 21:35:20.162567  

 2829 21:35:20.162632  

 2830 21:35:20.469071  Linux debian-bullseye-amd64 5.10.212-cip44 #1 SMP Wed Mar 6 21:22:23 UTC 2024 x86_64

 2831 21:35:20.470158  

 2832 21:35:20.476345  The programs included with the Debian GNU/Linux system are free software;

 2833 21:35:20.482050  the exact distribution terms for each program are described in the

 2834 21:35:20.486377  individual files in /usr/share/doc/*/copyright.

 2835 21:35:20.486460  

 2836 21:35:20.492504  Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent

 2837 21:35:20.494572  permitted by applicable law.

 2838 21:35:21.009711  Matched prompt #10: / #
 2840 21:35:21.010100  Kernel warnings or errors detected.
 2841 21:35:21.010205  Setting prompt string to ['/ #']
 2842 21:35:21.010329  end: 2.2.5.1 login-action (duration 00:00:17) [common]
 2844 21:35:21.010569  end: 2.2.5 auto-login-action (duration 00:00:19) [common]
 2845 21:35:21.010661  start: 2.2.6 expect-shell-connection (timeout 00:04:13) [common]
 2846 21:35:21.010733  Setting prompt string to ['/ #']
 2847 21:35:21.010793  Forcing a shell prompt, looking for ['/ #']
 2849 21:35:21.061012  / # 

 2850 21:35:21.061145  expect-shell-connection: Wait for prompt ['/ #'] (timeout 00:05:00)
 2851 21:35:21.061270  Waiting using forced prompt support (timeout 00:02:30)
 2852 21:35:21.063553  

 2853 21:35:21.064923  end: 2.2.6 expect-shell-connection (duration 00:00:00) [common]
 2854 21:35:21.065027  start: 2.2.7 export-device-env (timeout 00:04:13) [common]
 2856 21:35:21.165351  / # export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/12965436/extract-nfsrootfs-cpnzndgs'

 2857 21:35:21.167190  export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/12965436/extract-nfsrootfs-cpnzndgs'

 2859 21:35:21.309986  / # export NFS_SERVER_IP='192.168.201.1'

 2860 21:35:21.311731  export NFS_SERVER_IP='192.168.201.1'

 2861 21:35:21.313040  end: 2.2.7 export-device-env (duration 00:00:00) [common]
 2862 21:35:21.313155  end: 2.2 depthcharge-retry (duration 00:00:47) [common]
 2863 21:35:21.313249  end: 2 depthcharge-action (duration 00:00:47) [common]
 2864 21:35:21.313337  start: 3 lava-test-retry (timeout 00:08:47) [common]
 2865 21:35:21.313425  start: 3.1 lava-test-shell (timeout 00:08:47) [common]
 2866 21:35:21.313550  Using namespace: common
 2868 21:35:21.413948  / # #

 2869 21:35:21.414069  lava-test-shell: Wait for prompt ['/ #'] (timeout 00:10:00)
 2870 21:35:21.416260  #

 2871 21:35:21.417217  Using /lava-12965436
 2873 21:35:21.517544  / # export SHELL=/bin/bash

 2874 21:35:21.519380  export SHELL=/bin/bash

 2876 21:35:21.620555  / # . /lava-12965436/environment

 2877 21:35:21.622256  . /lava-12965436/environment

 2879 21:35:21.727295  / # /lava-12965436/bin/lava-test-runner /lava-12965436/0

 2880 21:35:21.727425  Test shell timeout: 10s (minimum of the action and connection timeout)
 2881 21:35:21.729370  /lava-12965436/bin/lava-test-runner /lava-12965436/0

 2882 21:35:21.962585  + export TESTRUN_ID=0_timesync-off

 2883 21:35:21.965731  + TESTRUN_ID=0_timesync-off

 2884 21:35:21.971078  + cd /lava-12965436/0/tests/0_timesync-off

 2885 21:35:21.971163  ++ cat uuid

 2886 21:35:21.972610  + UUID=12965436_1.5.2.3.1

 2887 21:35:21.973693  + set +x

 2888 21:35:21.978603  <LAVA_SIGNAL_STARTRUN 0_timesync-off 12965436_1.5.2.3.1>

 2889 21:35:21.978873  Received signal: <STARTRUN> 0_timesync-off 12965436_1.5.2.3.1
 2890 21:35:21.978978  Starting test lava.0_timesync-off (12965436_1.5.2.3.1)
 2891 21:35:21.979101  Skipping test definition patterns.
 2892 21:35:21.981374  + systemctl stop systemd-timesyncd

 2893 21:35:22.014494  + set +x

 2894 21:35:22.018329  <LAVA_SIGNAL_ENDRUN 0_timesync-off 12965436_1.5.2.3.1>

 2895 21:35:22.018585  Received signal: <ENDRUN> 0_timesync-off 12965436_1.5.2.3.1
 2896 21:35:22.018669  Ending use of test pattern.
 2897 21:35:22.018733  Ending test lava.0_timesync-off (12965436_1.5.2.3.1), duration 0.04
 2899 21:35:22.090482  + export TESTRUN_ID=1_kselftest-lkdtm

 2900 21:35:22.093326  + TESTRUN_ID=1_kselftest-lkdtm

 2901 21:35:22.098150  + cd /lava-12965436/0/tests/1_kselftest-lkdtm

 2902 21:35:22.098233  ++ cat uuid

 2903 21:35:22.105000  + UUID=12965436_1.5.2.3.5

 2904 21:35:22.105082  + set +x

 2905 21:35:22.111667  <LAVA_SIGNAL_STARTRUN 1_kselftest-lkdtm 12965436_1.5.2.3.5>

 2906 21:35:22.111920  Received signal: <STARTRUN> 1_kselftest-lkdtm 12965436_1.5.2.3.5
 2907 21:35:22.112018  Starting test lava.1_kselftest-lkdtm (12965436_1.5.2.3.5)
 2908 21:35:22.112153  Skipping test definition patterns.
 2909 21:35:22.114434  + cd ./automated/linux/kselftest/

 2910 21:35:22.143021  + ./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 hp-11A-G6-EE-grunt -g cip-gitlab -e '' -p /opt/kselftests/mainline/ -n 1 -i 1

 2911 21:35:22.166328  INFO: install_deps skipped

 2912 21:35:22.284076  --2024-03-06 21:35:22--  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

 2913 21:35:22.300640  Resolving storage.kernelci.org (storage.kernelci.org)... 20.171.243.82

 2914 21:35:22.432082  Connecting to storage.kernelci.org (storage.kernelci.org)|20.171.243.82|:80... connected.

 2915 21:35:22.563717  HTTP request sent, awaiting response... 200 OK

 2916 21:35:22.568067  Length: 3370752 (3.2M) [application/octet-stream]

 2917 21:35:22.570831  Saving to: 'kselftest.tar.xz'

 2918 21:35:22.570904  

 2919 21:35:22.573021  

 2920 21:35:22.830154  kselftest.tar.xz      0%[                    ]       0  --.-KB/s               

 2921 21:35:23.095237  kselftest.tar.xz      1%[                    ]  46.39K   176KB/s               

 2922 21:35:23.360252  kselftest.tar.xz      6%[>                   ] 216.08K   408KB/s               

 2923 21:35:23.562125  kselftest.tar.xz     27%[====>               ] 894.83K  1.10MB/s               

 2924 21:35:23.828832  kselftest.tar.xz     45%[========>           ]   1.46M  1.46MB/s               

 2925 21:35:23.964851  kselftest.tar.xz     93%[=================>  ]   3.02M  2.39MB/s               

 2926 21:35:23.971048  kselftest.tar.xz    100%[===================>]   3.21M  2.30MB/s    in 1.4s    

 2927 21:35:23.971143  

 2928 21:35:24.260294  2024-03-06 21:35:24 (2.30 MB/s) - 'kselftest.tar.xz' saved [3370752/3370752]

 2929 21:35:24.260442  

 2930 21:35:31.746254  skiplist:

 2931 21:35:31.751329  ========================================

 2932 21:35:31.753755  ========================================

 2933 21:35:31.797796  lkdtm:PANIC.sh

 2934 21:35:31.799130  lkdtm:BUG.sh

 2935 21:35:31.801870  lkdtm:WARNING.sh

 2936 21:35:31.803124  lkdtm:WARNING_MESSAGE.sh

 2937 21:35:31.804817  lkdtm:EXCEPTION.sh

 2938 21:35:31.806966  lkdtm:LOOP.sh

 2939 21:35:31.810226  lkdtm:EXHAUST_STACK.sh

 2940 21:35:31.810747  lkdtm:CORRUPT_STACK.sh

 2941 21:35:31.812639  lkdtm:CORRUPT_STACK_STRONG.sh

 2942 21:35:31.815831  lkdtm:CORRUPT_LIST_ADD.sh

 2943 21:35:31.817919  lkdtm:CORRUPT_LIST_DEL.sh

 2944 21:35:31.820918  lkdtm:STACK_GUARD_PAGE_LEADING.sh

 2945 21:35:31.822968  lkdtm:STACK_GUARD_PAGE_TRAILING.sh

 2946 21:35:31.825083  lkdtm:UNSET_SMEP.sh

 2947 21:35:31.827732  lkdtm:DOUBLE_FAULT.sh

 2948 21:35:31.828826  lkdtm:CORRUPT_PAC.sh

 2949 21:35:31.833391  lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh

 2950 21:35:31.835014  lkdtm:OVERWRITE_ALLOCATION.sh

 2951 21:35:31.837066  lkdtm:WRITE_AFTER_FREE.sh

 2952 21:35:31.839142  lkdtm:READ_AFTER_FREE.sh

 2953 21:35:31.842320  lkdtm:WRITE_BUDDY_AFTER_FREE.sh

 2954 21:35:31.845676  lkdtm:READ_BUDDY_AFTER_FREE.sh

 2955 21:35:31.848042  lkdtm:SLAB_FREE_DOUBLE.sh

 2956 21:35:31.849272  lkdtm:SLAB_FREE_CROSS.sh

 2957 21:35:31.851931  lkdtm:SLAB_FREE_PAGE.sh

 2958 21:35:31.853960  lkdtm:SOFTLOCKUP.sh

 2959 21:35:31.855544  lkdtm:HARDLOCKUP.sh

 2960 21:35:31.857307  lkdtm:SPINLOCKUP.sh

 2961 21:35:31.859322  lkdtm:HUNG_TASK.sh

 2962 21:35:31.860560  lkdtm:EXEC_DATA.sh

 2963 21:35:31.863887  lkdtm:EXEC_STACK.sh

 2964 21:35:31.864664  lkdtm:EXEC_KMALLOC.sh

 2965 21:35:31.866806  lkdtm:EXEC_VMALLOC.sh

 2966 21:35:31.868461  lkdtm:EXEC_RODATA.sh

 2967 21:35:31.871380  lkdtm:EXEC_USERSPACE.sh

 2968 21:35:31.872695  lkdtm:EXEC_NULL.sh

 2969 21:35:31.874372  lkdtm:ACCESS_USERSPACE.sh

 2970 21:35:31.876771  lkdtm:ACCESS_NULL.sh

 2971 21:35:31.878335  lkdtm:WRITE_RO.sh

 2972 21:35:31.880805  lkdtm:WRITE_RO_AFTER_INIT.sh

 2973 21:35:31.883038  lkdtm:WRITE_KERN.sh

 2974 21:35:31.885975  lkdtm:REFCOUNT_INC_OVERFLOW.sh

 2975 21:35:31.888351  lkdtm:REFCOUNT_ADD_OVERFLOW.sh

 2976 21:35:31.892457  lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh

 2977 21:35:31.895497  lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh

 2978 21:35:31.898246  lkdtm:REFCOUNT_DEC_ZERO.sh

 2979 21:35:31.900671  lkdtm:REFCOUNT_DEC_NEGATIVE.sh

 2980 21:35:31.904075  lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh

 2981 21:35:31.907679  lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh

 2982 21:35:31.910594  lkdtm:REFCOUNT_INC_ZERO.sh

 2983 21:35:31.913374  lkdtm:REFCOUNT_ADD_ZERO.sh

 2984 21:35:31.915838  lkdtm:REFCOUNT_INC_SATURATED.sh

 2985 21:35:31.918873  lkdtm:REFCOUNT_DEC_SATURATED.sh

 2986 21:35:31.922152  lkdtm:REFCOUNT_ADD_SATURATED.sh

 2987 21:35:31.925455  lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh

 2988 21:35:31.929553  lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh

 2989 21:35:31.933896  lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh

 2990 21:35:31.936800  lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh

 2991 21:35:31.939254  lkdtm:REFCOUNT_TIMING.sh

 2992 21:35:31.940277  lkdtm:ATOMIC_TIMING.sh

 2993 21:35:31.943247  lkdtm:USERCOPY_HEAP_SIZE_TO.sh

 2994 21:35:31.945653  lkdtm:USERCOPY_HEAP_SIZE_FROM.sh

 2995 21:35:31.949239  lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh

 2996 21:35:31.954186  lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh

 2997 21:35:31.955212  lkdtm:USERCOPY_STACK_FRAME_TO.sh

 2998 21:35:31.958928  lkdtm:USERCOPY_STACK_FRAME_FROM.sh

 2999 21:35:31.961873  lkdtm:USERCOPY_STACK_BEYOND.sh

 3000 21:35:31.963561  lkdtm:USERCOPY_KERNEL.sh

 3001 21:35:31.966501  lkdtm:STACKLEAK_ERASING.sh

 3002 21:35:31.968297  lkdtm:CFI_FORWARD_PROTO.sh

 3003 21:35:31.972905  ============== Tests to run ===============

 3004 21:35:31.973769  lkdtm:PANIC.sh

 3005 21:35:31.975049  lkdtm:BUG.sh

 3006 21:35:31.977079  lkdtm:WARNING.sh

 3007 21:35:31.980047  lkdtm:WARNING_MESSAGE.sh

 3008 21:35:31.980833  lkdtm:EXCEPTION.sh

 3009 21:35:31.982523  lkdtm:LOOP.sh

 3010 21:35:31.984931  lkdtm:EXHAUST_STACK.sh

 3011 21:35:31.986429  lkdtm:CORRUPT_STACK.sh

 3012 21:35:31.988393  lkdtm:CORRUPT_STACK_STRONG.sh

 3013 21:35:31.991400  lkdtm:CORRUPT_LIST_ADD.sh

 3014 21:35:31.994513  lkdtm:CORRUPT_LIST_DEL.sh

 3015 21:35:31.996542  lkdtm:STACK_GUARD_PAGE_LEADING.sh

 3016 21:35:31.999663  lkdtm:STACK_GUARD_PAGE_TRAILING.sh

 3017 21:35:32.001742  lkdtm:UNSET_SMEP.sh

 3018 21:35:32.003392  lkdtm:DOUBLE_FAULT.sh

 3019 21:35:32.005448  lkdtm:CORRUPT_PAC.sh

 3020 21:35:32.008666  lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh

 3021 21:35:32.010942  lkdtm:OVERWRITE_ALLOCATION.sh

 3022 21:35:32.013545  lkdtm:WRITE_AFTER_FREE.sh

 3023 21:35:32.015714  lkdtm:READ_AFTER_FREE.sh

 3024 21:35:32.018916  lkdtm:WRITE_BUDDY_AFTER_FREE.sh

 3025 21:35:32.021454  lkdtm:READ_BUDDY_AFTER_FREE.sh

 3026 21:35:32.023955  lkdtm:SLAB_FREE_DOUBLE.sh

 3027 21:35:32.027815  lkdtm:SLAB_FREE_CROSS.sh

 3028 21:35:32.028531  lkdtm:SLAB_FREE_PAGE.sh

 3029 21:35:32.029923  lkdtm:SOFTLOCKUP.sh

 3030 21:35:32.031746  lkdtm:HARDLOCKUP.sh

 3031 21:35:32.033859  lkdtm:SPINLOCKUP.sh

 3032 21:35:32.035621  lkdtm:HUNG_TASK.sh

 3033 21:35:32.037000  lkdtm:EXEC_DATA.sh

 3034 21:35:32.038911  lkdtm:EXEC_STACK.sh

 3035 21:35:32.040729  lkdtm:EXEC_KMALLOC.sh

 3036 21:35:32.042963  lkdtm:EXEC_VMALLOC.sh

 3037 21:35:32.044758  lkdtm:EXEC_RODATA.sh

 3038 21:35:32.046847  lkdtm:EXEC_USERSPACE.sh

 3039 21:35:32.048406  lkdtm:EXEC_NULL.sh

 3040 21:35:32.052238  lkdtm:ACCESS_USERSPACE.sh

 3041 21:35:32.052987  lkdtm:ACCESS_NULL.sh

 3042 21:35:32.054661  lkdtm:WRITE_RO.sh

 3043 21:35:32.057150  lkdtm:WRITE_RO_AFTER_INIT.sh

 3044 21:35:32.059652  lkdtm:WRITE_KERN.sh

 3045 21:35:32.062046  lkdtm:REFCOUNT_INC_OVERFLOW.sh

 3046 21:35:32.064447  lkdtm:REFCOUNT_ADD_OVERFLOW.sh

 3047 21:35:32.068343  lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh

 3048 21:35:32.072184  lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh

 3049 21:35:32.075420  lkdtm:REFCOUNT_DEC_ZERO.sh

 3050 21:35:32.076763  lkdtm:REFCOUNT_DEC_NEGATIVE.sh

 3051 21:35:32.080667  lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh

 3052 21:35:32.084272  lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh

 3053 21:35:32.086157  lkdtm:REFCOUNT_INC_ZERO.sh

 3054 21:35:32.089217  lkdtm:REFCOUNT_ADD_ZERO.sh

 3055 21:35:32.092635  lkdtm:REFCOUNT_INC_SATURATED.sh

 3056 21:35:32.094880  lkdtm:REFCOUNT_DEC_SATURATED.sh

 3057 21:35:32.097061  lkdtm:REFCOUNT_ADD_SATURATED.sh

 3058 21:35:32.101215  lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh

 3059 21:35:32.105539  lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh

 3060 21:35:32.109749  lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh

 3061 21:35:32.111868  lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh

 3062 21:35:32.114194  lkdtm:REFCOUNT_TIMING.sh

 3063 21:35:32.116502  lkdtm:ATOMIC_TIMING.sh

 3064 21:35:32.119089  lkdtm:USERCOPY_HEAP_SIZE_TO.sh

 3065 21:35:32.121710  lkdtm:USERCOPY_HEAP_SIZE_FROM.sh

 3066 21:35:32.125579  lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh

 3067 21:35:32.128845  lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh

 3068 21:35:32.131274  lkdtm:USERCOPY_STACK_FRAME_TO.sh

 3069 21:35:32.135211  lkdtm:USERCOPY_STACK_FRAME_FROM.sh

 3070 21:35:32.137445  lkdtm:USERCOPY_STACK_BEYOND.sh

 3071 21:35:32.140128  lkdtm:USERCOPY_KERNEL.sh

 3072 21:35:32.142685  lkdtm:STACKLEAK_ERASING.sh

 3073 21:35:32.145565  lkdtm:CFI_FORWARD_PROTO.sh

 3074 21:35:32.148364  ===========End Tests to run ===============

 3075 21:35:32.150667  shardfile-lkdtm pass

 3076 21:35:32.503280  <12>[   30.194643] kselftest: Running tests in lkdtm

 3077 21:35:32.515702  TAP version 13

 3078 21:35:32.530281  1..70

 3079 21:35:32.544664  # selftests: lkdtm: PANIC.sh

 3080 21:35:32.980748  # Skipping PANIC: crashes entire system

 3081 21:35:32.983473  ok 1 selftests: lkdtm: PANIC.sh # SKIP

 3082 21:35:32.990492  # selftests: lkdtm: BUG.sh

 3083 21:35:33.125612  <6>[   30.816848] lkdtm: Performing direct entry BUG

 3084 21:35:33.130419  <4>[   30.821712] ------------[ cut here ]------------

 3085 21:35:33.136181  <2>[   30.826631] kernel BUG at drivers/misc/lkdtm/bugs.c:76!

 3086 21:35:33.141115  <4>[   30.832189] invalid opcode: 0000 [#1] SMP NOPTI

 3087 21:35:33.148739  <4>[   30.836976] CPU: 1 PID: 625 Comm: cat Tainted: G        W         5.10.212-cip44 #1

 3088 21:35:33.155362  <4>[   30.844878] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 3089 21:35:33.159688  <4>[   30.851053] RIP: 0010:lkdtm_BUG+0x5/0x10

 3090 21:35:33.178177  <4>[   30.855231] Code: 89 ff e8 4e c3 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 59 64 a8 00 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

 3091 21:35:33.184066  <4>[   30.874228] RSP: 0018:ffffb258c0c27e60 EFLAGS: 00010286

 3092 21:35:33.191323  <4>[   30.879706] RAX: ffffffff9017e5f0 RBX: 0000000000000001 RCX: 0000000000000000

 3093 21:35:33.198614  <4>[   30.887088] RDX: 0000000000000000 RSI: ffff91a2ead1bf50 RDI: ffffffff915942b0

 3094 21:35:33.206342  <4>[   30.894470] RBP: ffffffff91a7f050 R08: 0000000000000001 R09: 0000000000000001

 3095 21:35:33.214119  <4>[   30.901851] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3096 21:35:33.220876  <4>[   30.909233] R13: ffffb258c0c27f10 R14: ffffb258c0c27f10 R15: ffff91a2c3b54000

 3097 21:35:33.229520  <4>[   30.916615] FS:  00007f1abc646580(0000) GS:ffff91a2ead00000(0000) knlGS:0000000000000000

 3098 21:35:33.235389  <4>[   30.924951] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3099 21:35:33.242798  <4>[   30.930946] CR2: 00007f1abc446000 CR3: 0000000106606000 CR4: 00000000001506e0

 3100 21:35:33.244789  <4>[   30.938327] Call Trace:

 3101 21:35:33.250845  <4>[   30.941038]  ? __die_body.cold+0x1a/0x1f

 3102 21:35:33.252649  <4>[   30.945217]  ? die+0x2b/0x50

 3103 21:35:33.256575  <4>[   30.948354]  ? do_trap+0x91/0x110

 3104 21:35:33.261073  <4>[   30.951923]  ? lkdtm_BUG+0x5/0x10

 3105 21:35:33.263902  <4>[   30.955492]  ? do_error_trap+0x90/0x110

 3106 21:35:33.267107  <4>[   30.959582]  ? lkdtm_BUG+0x5/0x10

 3107 21:35:33.270839  <4>[   30.963151]  ? lkdtm_BUG+0x5/0x10

 3108 21:35:33.275195  <4>[   30.966722]  ? exc_invalid_op+0x4e/0x70

 3109 21:35:33.278629  <4>[   30.970812]  ? lkdtm_BUG+0x5/0x10

 3110 21:35:33.282794  <4>[   30.974385]  ? asm_exc_invalid_op+0x12/0x20

 3111 21:35:33.287181  <4>[   30.978822]  ? direct_entry+0xe0/0xe0

 3112 21:35:33.290252  <4>[   30.982739]  ? lkdtm_BUG+0x5/0x10

 3113 21:35:33.295670  <4>[   30.986311]  direct_entry.cold+0x2c/0x38

 3114 21:35:33.298440  <4>[   30.990490]  full_proxy_write+0x56/0x80

 3115 21:35:33.302701  <4>[   30.994582]  vfs_write+0xea/0x3b0

 3116 21:35:33.305810  <4>[   30.998152]  ksys_write+0x68/0xf0

 3117 21:35:33.310056  <4>[   31.001722]  do_syscall_64+0x33/0x40

 3118 21:35:33.314756  <4>[   31.005551]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 3119 21:35:33.320178  <4>[   31.010855] RIP: 0033:0x7f1abc552473

 3120 21:35:33.337931  <4>[   31.014686] 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

 3121 21:35:33.345405  <4>[   31.033683] RSP: 002b:00007ffe0fbadbb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3122 21:35:33.353343  <4>[   31.041501] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f1abc552473

 3123 21:35:33.360376  <4>[   31.048884] RDX: 0000000000000004 RSI: 00007f1abc446000 RDI: 0000000000000001

 3124 21:35:33.368770  <4>[   31.056266] RBP: 00007f1abc446000 R08: 00007f1abc445010 R09: 0000000000000000

 3125 21:35:33.375392  <4>[   31.063647] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3126 21:35:33.382687  <4>[   31.071030] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3127 21:35:33.424561  <4>[   31.078419] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 cros_ec_dev videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify chromeos_pstore snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table

 3128 21:35:33.425016  

 3129 21:35:33.425397  

 3130 21:35:33.428575  coreboot-56f9d1cd49 Thu Sep  5 21:57:06 UTC 2019 smm starting...

 3131 21:35:33.429082  

 3132 21:35:33.430020  SMI# #1

 3133 21:35:33.433591  GSMI Set Event Log (type=0xdead instance=0x3)

 3134 21:35:33.437537  FMAP: Found "FLASH" version 1.1 at d7f000.

 3135 21:35:33.441718  FMAP: base = ff000000 size = 1000000 #areas = 30

 3136 21:35:33.447437  FMAP: area RW_ELOG found @ 45d000 (16384 bytes)

 3137 21:35:33.448341  Manufacturer: ef

 3138 21:35:33.453322  SF: Detected W25Q128FW with sector size 0x1000, total 0x1000000

 3139 21:35:33.456950  ELOG: NV offset 0x45d000 size 0x4000

 3140 21:35:33.466573  ELOG: area is 4096 bytes, full threshold 3842, shrink size 1024

 3141 21:35:33.471697  ELOG: Event(81) added with size 13 at 2024-03-06 21:35:33 UTC

 3142 21:35:33.476316  <0>[   31.167875] gsmi: Log Shutdown Reason 0x03

 3143 21:35:33.481768  <4>[   31.172375] ---[ end trace 0e3e908715a0f2ef ]---

 3144 21:35:33.485771  <4>[   31.177298] RIP: 0010:lkdtm_BUG+0x5/0x10

 3145 21:35:33.504430  <4>[   31.181543] Code: 89 ff e8 4e c3 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 59 64 a8 00 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

 3146 21:35:33.509906  <4>[   31.200575] RSP: 0018:ffffb258c0c27e60 EFLAGS: 00010286

 3147 21:35:33.517679  <4>[   31.206143] RAX: ffffffff9017e5f0 RBX: 0000000000000001 RCX: 0000000000000000

 3148 21:35:33.525078  <4>[   31.213575] RDX: 0000000000000000 RSI: ffff91a2ead1bf50 RDI: ffffffff915942b0

 3149 21:35:33.532208  <4>[   31.221042] RBP: ffffffff91a7f050 R08: 0000000000000001 R09: 0000000000000001

 3150 21:35:33.539626  <4>[   31.228478] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3151 21:35:33.547422  <4>[   31.235908] R13: ffffb258c0c27f10 R14: ffffb258c0c27f10 R15: ffff91a2c3b54000

 3152 21:35:33.555919  <4>[   31.243316] FS:  00007f1abc646580(0000) GS:ffff91a2ead00000(0000) knlGS:0000000000000000

 3153 21:35:33.562690  <4>[   31.251703] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3154 21:35:33.569129  <4>[   31.257723] CR2: 00007f1abc446000 CR3: 0000000106606000 CR4: 00000000001506e0

 3155 21:35:33.571777  # Segmentation fault

 3156 21:35:33.638799  # [   30.816848] lkdtm: Performing direct entry BUG

 3157 21:35:33.645183  # [   30.821712] ------------[ cut here ]------------

 3158 21:35:33.648633  # [   30.826631] kernel BUG at drivers/misc/lkdtm/bugs.c:76!

 3159 21:35:33.653072  # [   30.832189] invalid opcode: 0000 [#1] SMP NOPTI

 3160 21:35:33.662590  # [   30.836976] CPU: 1 PID: 625 Comm: cat Tainted: G        W         5.10.212-cip44 #1

 3161 21:35:33.667039  # [   30.844878] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 3162 21:35:33.670722  # [   30.851053] RIP: 0010:lkdtm_BUG+0x5/0x10

 3163 21:35:33.689972  # [   30.855231] Code: 89 ff e8 4e c3 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 59 64 a8 00 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

 3164 21:35:33.695259  # [   30.874228] RSP: 0018:ffffb258c0c27e60 EFLAGS: 00010286

 3165 21:35:33.702820  # [   30.879706] RAX: ffffffff9017e5f0 RBX: 0000000000000001 RCX: 0000000000000000

 3166 21:35:33.709512  # [   30.887088] RDX: 0000000000000000 RSI: ffff91a2ead1bf50 RDI: ffffffff915942b0

 3167 21:35:33.717479  # [   30.894470] RBP: ffffffff91a7f050 R08: 0000000000000001 R09: 0000000000000001

 3168 21:35:33.724729  # [   30.901851] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3169 21:35:33.731323  # [   30.909233] R13: ffffb258c0c27f10 R14: ffffb258c0c27f10 R15: ffff91a2c3b54000

 3170 21:35:33.740078  # [   30.916615] FS:  00007f1abc646580(0000) GS:ffff91a2ead00000(0000) knlGS:0000000000000000

 3171 21:35:33.749624  # [   30.924951] CS:  0010 DS: 0000 ES: 0000 CR0: 0000<6>[   31.439922] lkdtm: Performing direct entry WARNING

 3172 21:35:33.750849  000080050033

 3173 21:35:33.757615  # [   30.930946] CR2: 00007f1abc446000 CR3: 0000000106606000 CR4: 00000000001506e0

 3174 21:35:33.760210  # [   30.938327] Call Trace:

 3175 21:35:33.764664  # [   30.941038]  ? __die_body.cold+0x1a/0x1f

 3176 21:35:33.767639  # [   30.945217]  ? die+0x2b/0x50

 3177 21:35:33.771197  # [   30.948354]  ? do_trap+0x91/0x110

 3178 21:35:33.776566  # [   <4>[   31.445551] ------------[ cut here ]------------

 3179 21:35:33.779489  30.951923]  ? lkdtm_BUG+0x5/0x10

 3180 21:35:33.784741  # [   30.955492]  ? do_error_trap+0x90/0x110

 3181 21:35:33.787135  # [   30.959582]  ? lkdtm_BUG+0x5/0x10

 3182 21:35:33.790817  # [   30.963151]  ? lkdtm_BUG+0x5/0x10

 3183 21:35:33.794585  # [   30.966722]  ? exc_invalid_op+0x4e/0x70

 3184 21:35:33.797844  # [   30.970812]  ? lkdtm_BUG+0x5/0x10

 3185 21:35:33.807572  # [   30.9<4>[   31.472569] WARNING: CPU: 1 PID: 663 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20

 3186 21:35:33.811317  74385]  ? asm_exc_invalid_op+0x12/0x20

 3187 21:35:33.815031  # [   30.978822]  ? direct_entry+0xe0/0xe0

 3188 21:35:33.818413  # [   30.982739]  ? lkdtm_BUG+0x5/0x10

 3189 21:35:33.822676  # [   30.986311]  direct_entry.cold+0x2c/0x38

 3190 21:35:33.826533  # [   30.990490]  full_proxy_write+0x56/0x80

 3191 21:35:33.829772  # [   30.994582]  vfs_write+0xea/0x3b0

 3192 21:35:33.870200  <4>[   31.503444] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 cros_ec_dev videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify chromeos_pstore snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table

 3193 21:35:33.870716  

 3194 21:35:33.872838  # [   30.998152]  ksys_write+0x68/0xf0

 3195 21:35:33.876529  # [   31.001722]  do_syscall_64+0x33/0x40

 3196 21:35:33.882227  # [   31.005551]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 3197 21:35:33.885782  # [   31.010855] RIP: 0033:0x7f1abc552473

 3198 21:35:33.900054  # [   31.014686] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff f<4>[   31.565496] CPU: 1 PID: 663 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 3199 21:35:33.912654  f ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 3200 21:35:33.920436  # [   31.033683] RSP: 002b:00007ffe0fbadbb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3201 21:35:33.929703  # [   31.041501] R<4>[   31.595607] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 3202 21:35:33.933551  AX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f1abc552473

 3203 21:35:33.940746  # [   31.048884] RDX: 0000000000000004 RSI: 00007f1abc446000 RDI: 0000000000000001

 3204 21:35:33.948413  # [   31.056266] RBP: 00007f1abc446000 R08: 00007f1abc445010 R09: 0000000000000000

 3205 21:35:33.954856  # [   31.063647] R10: <4>[   31.624030] RIP: 0010:lkdtm_WARNING+0x13/0x20

 3206 21:35:33.960628  fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3207 21:35:33.967156  # [   31.071030] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3208 21:35:33.995887  # [   31.078419] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debu<4>[   31.650767] 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 e9 2d 64 a8 00 <0f> 0b e9 26 64 a8 00 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 e1 77

 3209 21:35:34.025680  gfs cros_usbpd_logger cros_usbpd_charger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 cros_ec_dev videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify chromeos_pstore snd_soc_max98357a snd_soc_adau7002 snd_soc<4>[   31.691996] RSP: 0018:ffffb258c0c7fe60 EFLAGS: 00010202

 3210 21:35:34.032009  _da7219 acp_audio_dma snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table

 3211 21:35:34.035646  # [   31.167875] gsmi: Log Shutdown Reason 0x03

 3212 21:35:34.040893  # [   31.172375] ---[ end trace 0e3e908715a0f2ef ]---

 3213 21:35:34.047043  # [   31.177298] RIP: 0010:lkdtm_BUG+0x5/0x10

 3214 21:35:34.054530  # [   31.181<4>[   31.719616] RAX: ffffffff9017e600 RBX: 0000000000000002 RCX: 0000000000000000

 3215 21:35:34.071048  543] Code: 89 ff e8 4e c3 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 59 64 a8 00 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 21:35:34.082544  # [   31.200575] RSP: 0018:ffffb258c0c27e60 EFLAGS<4>[   31.749240] RDX: 0000000000000000 RSI: ffff91a2ead1bf50 RDI: ffffffff915942c0

 3217 21:35:34.084165  : 00010286

 3218 21:35:34.091591  # [   31.206143] RAX: ffffffff9017e5f0 RBX: 0000000000000001 RCX: 0000000000000000

 3219 21:35:34.098598  # [   31.213575] RDX: 0000000000000000 RSI: ffff91a2ead1bf50 RDI: ffffffff915942b0

 3220 21:35:34.113420  # [   31.221042] RBP: ffffffff91a7f050 R08: 0000000000000001 R09: 0000000000<4>[   31.778757] RBP: ffffffff91a1a6ef R08: 0000000000000000 R09: 0000000000000000

 3221 21:35:34.113952  000001

 3222 21:35:34.120851  # [   31.228478] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3223 21:35:34.128778  # [   31.235908] R13: ffffb258c0c27f10 R14: ffffb258c0c27f10 R15: ffff91a2c3b54000

 3224 21:35:34.141975  # [   31.243316] FS:  00007f1abc646580(0000) GS:ffff91a2ead00000(0000) knlGS:00<4>[   31.808359] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008

 3225 21:35:34.150356  00<4>[   31.837840] R13: ffffb258c0c7ff10 R14: ffffb258c0c7ff10 R15: ffff91a2c64e9000

 3226 21:35:34.151456  000000000000

 3227 21:35:34.157169  # [   31.251703] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3228 21:35:34.164122  # [   31.257723] CR2: 00007f1abc446000 CR3: 0000000106606000 CR4: 00000000001506e0

 3229 21:35:34.167186  # BUG: saw 'kernel BUG at': ok

 3230 21:35:34.170152  ok 2 selftests: lkdtm: BUG.sh

 3231 21:35:34.181530  # selftests: lkdtm: WARNING<4>[   31.845376] FS:  00007faf29421580(0000) GS:ffff91a2ead00000(0000) knlGS:0000000000000000

 3232 21:35:34.181998  .sh

 3233 21:35:34.186746  <4>[   31.875903] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3234 21:35:34.193872  <4>[   31.882322] CR2: 00007faf291ee000 CR3: 0000000103a66000 CR4: 00000000001506e0

 3235 21:35:34.197568  <4>[   31.889747] Call Trace:

 3236 21:35:34.200759  <4>[   31.892494]  ? __warn+0x80/0x110

 3237 21:35:34.204084  <4>[   31.896002]  ? lkdtm_WARNING+0x13/0x20

 3238 21:35:34.207811  <4>[   31.900030]  ? report_bug+0x9e/0xc0

 3239 21:35:34.212732  <4>[   31.903783]  ? handle_bug+0x41/0x90

 3240 21:35:34.216002  <4>[   31.907531]  ? exc_invalid_op+0x14/0x70

 3241 21:35:34.220869  <4>[   31.911629]  ? asm_exc_invalid_op+0x12/0x20

 3242 21:35:34.224578  <4>[   31.916074]  ? lkdtm_BUG+0x10/0x10

 3243 21:35:34.228505  <4>[   31.919737]  ? lkdtm_WARNING+0x13/0x20

 3244 21:35:34.232003  <4>[   31.923748]  direct_entry.cold+0x2c/0x38

 3245 21:35:34.237077  <4>[   31.927957]  full_proxy_write+0x56/0x80

 3246 21:35:34.240273  <4>[   31.932079]  vfs_write+0xea/0x3b0

 3247 21:35:34.244085  <4>[   31.935666]  ksys_write+0x68/0xf0

 3248 21:35:34.247359  <4>[   31.939248]  do_syscall_64+0x33/0x40

 3249 21:35:34.252368  <4>[   31.943099]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 3250 21:35:34.256465  <4>[   31.948429] RIP: 0033:0x7faf292fa473

 3251 21:35:34.276267  <4>[   31.952269] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 3252 21:35:34.283369  <4>[   31.971289] RSP: 002b:00007ffce2d5ca88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3253 21:35:34.290429  <4>[   31.979116] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007faf292fa473

 3254 21:35:34.297677  <4>[   31.986507] RDX: 0000000000000008 RSI: 00007faf291ee000 RDI: 0000000000000001

 3255 21:35:34.305316  <4>[   31.993899] RBP: 00007faf291ee000 R08: 00007faf291ed010 R09: 0000000000000000

 3256 21:35:34.312660  <4>[   32.001312] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3257 21:35:34.319970  <4>[   32.008710] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3258 21:35:34.323586  <4>[   32.016136] irq event stamp: 0

 3259 21:35:34.329748  <4>[   32.019454] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3260 21:35:34.338362  <4>[   32.025981] hardirqs last disabled at (0): [<ffffffff8f6fddac>] copy_process+0x65c/0x20e0

 3261 21:35:34.347077  <4>[   32.034424] softirqs last  enabled at (0): [<ffffffff8f6fddac>] copy_process+0x65c/0x20e0

 3262 21:35:34.353238  <4>[   32.042856] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3263 21:35:34.358344  <4>[   32.049380] ---[ end trace 0e3e908715a0f2f0 ]---

 3264 21:35:34.386566  # [   31.439922] lkdtm: Performing direct entry WARNING

 3265 21:35:34.392199  # [   31.445551] ------------[ cut here ]------------

 3266 21:35:34.399579  # [   31.472569] WARNING: CPU: 1 PID: 663 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20

 3267 21:35:34.440085  # [   31.503444] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 cros_ec_dev videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify chromeos_pstore snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table

 3268 21:35:34.447785  # [   31.565496] CPU: 1 PID: 663 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 3269 21:35:34.455272  # [   31.595607] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 3270 21:35:34.458085  # [   31.624030] RIP: 0010:lkdtm_WARNING+0x13/0x20

 3271 21:35:34.477097  # [   31.650767] 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 e9 2d 64 a8 00 <0f> 0b e9 26 64 a8 00 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 e1 77

 3272 21:35:34.482361  # [   31.691996] RSP: 0018:ffffb258c0c7fe60 EFLAGS: 00010202

 3273 21:35:34.490493  # [   31.719616] RAX: ffffffff9017e600 RBX: 0000000000000002 RCX: 0000000000000000

 3274 21:35:34.498963  # [   31.749240] RDX: 0000000000000000 RSI: ffff91a2ead1bf50 RDI: ffffffff915942c0

 3275 21:35:34.504519  # [   31.778757] RBP: ffffffff91a1a6ef R08: 0000000000000000 R09: 0000000000000000

 3276 21:35:34.511942  # [   31.808359] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008

 3277 21:35:34.518911  # [   31.837840] R13: ffffb258c0c7ff10 R14: ffffb258c0c7ff10 R15: ffff91a2c64e9000

 3278 21:35:34.527433  # [   31.845376] FS:  00007faf29421580(0000) GS:ffff91a2ead00000(0000) knlGS:0000000000000000

 3279 21:35:34.533065  # [   31.875903] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3280 21:35:34.540061  # [   31.882322] CR2: 00007faf291ee000 CR3: 0000000103a66000 CR4: 00000000001506e0

 3281 21:35:34.542916  # [   31.889747] Call Trace:

 3282 21:35:34.546225  # [   31.892494]  ? __warn+0x80/0x110

 3283 21:35:34.550182  # [   31.896002]  ? lkdtm_WARNING+0x13/0x20

 3284 21:35:34.554975  # [   31.900030]  ? report_bug+0x9e/0xc0

 3285 21:35:34.560956  # [   31.903783]  <6>[   32.238394] lkdtm: Performing direct entry WARNING_MESSAGE

 3286 21:35:34.563160  ? handle_bug+0x41/0x90

 3287 21:35:34.567081  # [   31.907531]  ? exc_invalid_op+0x14/0x70

 3288 21:35:34.571792  # [   31.911629]  ? asm_exc_invalid_op+0x12/0x20

 3289 21:35:34.575014  # [   31.916074]  ? lkdtm_BUG+0x10/0x10

 3290 21:35:34.579783  # [   31.919737]  ? lkdtm_WARNING+0x13/0x20

 3291 21:35:34.582777  # [   31.923748]  direct_entry.cold+0x2c/0x38

 3292 21:35:34.588419  # [<4>[   32.256875] ------------[ cut here ]------------

 3293 21:35:34.592468     31.927957]  full_proxy_write+0x56/0x80

 3294 21:35:34.596050  # [   31.932079]  vfs_write+0xea/0x3b0

 3295 21:35:34.598461  # [   31.935666]  ksys_write+0x68/0xf0

 3296 21:35:34.602620  # [   31.939248]  do_syscall_64+0x33/0x40

 3297 21:35:34.607922  # [   31.943099]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 3298 21:35:34.615058  # [   31.948429] RIP: 0033:0x7<4>[   32.283949] Warning message trigger count: 2

 3299 21:35:34.616233  faf292fa473

 3300 21:35:34.634527  # [   31.952269] 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

 3301 21:35:34.647894  # [   31.971289] RSP: 002<4>[   32.310735] WARNING: CPU: 1 PID: 699 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30

 3302 21:35:34.653166  b:00007ffce2d5ca88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3303 21:35:34.660005  # [   31.979116] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007faf292fa473

 3304 21:35:34.666296  # [   31.986507] RDX: 0000000000000008 RSI: 00007faf291ee000 RDI: 0000000000000001

 3305 21:35:34.708679  # [   31.993899] RBP: 00<4>[   32.342195] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 cros_ec_dev videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify chromeos_pstore snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table

 3306 21:35:34.713769  007faf291ee000 R08: 00007faf291ed010 R09: 0000000000000000

 3307 21:35:34.722048  # [   32.001312] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3308 21:35:34.728106  # [   32.008710] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3309 21:35:34.738882  # [   32.016136] irq event s<4>[   32.404264] CPU: 1 PID: 699 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 3310 21:35:34.740594  tamp: 0

 3311 21:35:34.745685  # [   32.019454] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3312 21:35:34.754204  # [   32.025981] hardirqs last disabled at (0): [<ffffffff8f6fddac>] copy_process+0x65c/0x20e0

 3313 21:35:34.767161  # [   32.034424] softirqs last  enabled at (0): [<ffffffff8f6fddac>] copy_pro<4>[   32.434351] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 3314 21:35:34.768588  cess+0x65c/0x20e0

 3315 21:35:34.775422  # [   32.042856] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3316 21:35:34.779867  # [   32.049380] ---[ end trace 0e3e908715a0f2f0 ]---

 3317 21:35:34.782848  # WARNING: saw 'WARNING:': ok

 3318 21:35:34.785528  ok 3 selftests: lkdtm: WARNING.sh

 3319 21:35:34.789160  # selftests: lkdtm: WARNING_MESSAGE.sh

 3320 21:35:34.793986  <4>[   32.462709] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30

 3321 21:35:34.812774  <4>[   32.490012] Code: 26 64 a8 00 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 e1 77 2a 03 48 c7 c7 50 ac a1 91 8d 70 01 89 35 d1 77 2a 03 e8 72 00 68 00 <0f> 0b e9 f9 63 a8 00 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7

 3322 21:35:34.818881  <4>[   32.509060] RSP: 0018:ffffb258c0cefe60 EFLAGS: 00010286

 3323 21:35:34.825974  <4>[   32.514543] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000

 3324 21:35:34.833545  <4>[   32.521931] RDX: ffff91a2ead2c620 RSI: ffff91a2ead1bf50 RDI: ffff91a2ead1bf50

 3325 21:35:34.841353  <4>[   32.529321] RBP: ffffffff91a1a6f7 R08: 0000000000000000 R09: 0000000000000000

 3326 21:35:34.848326  <4>[   32.536710] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010

 3327 21:35:34.855875  <4>[   32.544132] R13: ffffb258c0ceff10 R14: ffffb258c0ceff10 R15: ffff91a2c3d21000

 3328 21:35:34.864483  <4>[   32.551620] FS:  00007f23bd531580(0000) GS:ffff91a2ead00000(0000) knlGS:0000000000000000

 3329 21:35:34.869927  <4>[   32.559973] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3330 21:35:34.877280  <4>[   32.566044] CR2: 00007f23bd2fe000 CR3: 00000001037d8000 CR4: 00000000001506e0

 3331 21:35:34.880363  <4>[   32.573485] Call Trace:

 3332 21:35:34.883590  <4>[   32.576277]  ? __warn+0x80/0x110

 3333 21:35:34.889442  <4>[   32.579814]  ? lkdtm_WARNING_MESSAGE+0x20/0x30

 3334 21:35:34.892413  <4>[   32.584623]  ? report_bug+0x9e/0xc0

 3335 21:35:34.897564  <4>[   32.588426]  ? handle_bug+0x41/0x90

 3336 21:35:34.900286  <4>[   32.592231]  ? exc_invalid_op+0x14/0x70

 3337 21:35:34.904824  <4>[   32.596383]  ? asm_exc_invalid_op+0x12/0x20

 3338 21:35:34.909773  <4>[   32.600847]  ? lkdtm_WARNING_MESSAGE+0x20/0x30

 3339 21:35:34.913601  <4>[   32.605563]  direct_entry.cold+0x2c/0x38

 3340 21:35:34.918401  <4>[   32.609748]  full_proxy_write+0x56/0x80

 3341 21:35:34.921390  <4>[   32.613845]  vfs_write+0xea/0x3b0

 3342 21:35:34.924992  <4>[   32.617458]  ksys_write+0x68/0xf0

 3343 21:35:34.929340  <4>[   32.621035]  do_syscall_64+0x33/0x40

 3344 21:35:34.934044  <4>[   32.624870]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 3345 21:35:34.938189  <4>[   32.630182] RIP: 0033:0x7f23bd40a473

 3346 21:35:34.957335  <4>[   32.634020] 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

 3347 21:35:34.964693  <4>[   32.653048] RSP: 002b:00007ffc0b3dbc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3348 21:35:34.972055  <4>[   32.660879] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f23bd40a473

 3349 21:35:34.979574  <4>[   32.668271] RDX: 0000000000000010 RSI: 00007f23bd2fe000 RDI: 0000000000000001

 3350 21:35:34.987621  <4>[   32.675663] RBP: 00007f23bd2fe000 R08: 00007f23bd2fd010 R09: 0000000000000000

 3351 21:35:34.994164  <4>[   32.683056] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3352 21:35:35.002032  <4>[   32.690463] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3353 21:35:35.005543  <4>[   32.697866] irq event stamp: 0

 3354 21:35:35.012094  <4>[   32.701184] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3355 21:35:35.020226  <4>[   32.707712] hardirqs last disabled at (0): [<ffffffff8f6fddac>] copy_process+0x65c/0x20e0

 3356 21:35:35.029150  <4>[   32.716168] softirqs last  enabled at (0): [<ffffffff8f6fddac>] copy_process+0x65c/0x20e0

 3357 21:35:35.035209  <4>[   32.724608] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3358 21:35:35.040236  <4>[   32.731144] ---[ end trace 0e3e908715a0f2f1 ]---

 3359 21:35:35.070370  # [   32.238394] lkdtm: Performing direct entry WARNING_MESSAGE

 3360 21:35:35.074477  # [   32.256875] ------------[ cut here ]------------

 3361 21:35:35.079065  # [   32.283949] Warning message trigger count: 2

 3362 21:35:35.088121  # [   32.310735] WARNING: CPU: 1 PID: 699 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30

 3363 21:35:35.127534  # [   32.342195] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 cros_ec_dev videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify chromeos_pstore snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table

 3364 21:35:35.136342  # [   32.404264] CPU: 1 PID: 699 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 3365 21:35:35.141132  # [   32.434351] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 3366 21:35:35.147372  # [   32.462709] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30

 3367 21:35:35.166091  # [   32.490012] Code: 26 64 a8 00 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 e1 77 2a 03 48 c7 c7 50 ac a1 91 8d 70 01 89 35 d1 77 2a 03 e8 72 00 68 00 <0f> 0b e9 f9 63 a8 00 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7

 3368 21:35:35.171625  # [   32.509060] RSP: 0018:ffffb258c0cefe60 EFLAGS: 00010286

 3369 21:35:35.178157  # [   32.514543] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000

 3370 21:35:35.185242  # [   32.521931] RDX: ffff91a2ead2c620 RSI: ffff91a2ead1bf50 RDI: ffff91a2ead1bf50

 3371 21:35:35.192653  # [   32.529321] RBP: ffffffff91a1a6f7 R08: 0000000000000000 R09: 0000000000000000

 3372 21:35:35.201890  # [   32.536710] R10: 00000000ffffe000 R11: 3ff<6>[   32.872860] lkdtm: Performing direct entry EXCEPTION

 3373 21:35:35.205381  fffffffffffff R12: 0000000000000010

 3374 21:35:35.213650  # [   32.544132] R13: ffffb258c0ceff10 R14: ffffb258c0ceff10 R15: ffff91a2c3d21000

 3375 21:35:35.221050  # [   32.551620] FS:  00007f23bd531580(0000) GS:ffff91a2ead00000(0000) knlGS:0000000000000000

 3376 21:35:35.231203  # [   32.559973] CS:  0010 DS: 0000 ES: <1>[   32.897941] BUG: kernel NULL pointer dereference, address: 0000000000000000

 3377 21:35:35.234470  00<00 CR0: 0000000080050033

 3378 21:35:35.242848  # [   32.566044] CR2: 00007f23bd2fe000 CR3: 00000001037d8000 CR4: 00000000001506e0

 3379 21:35:35.244408  # [   32.573485] Call Trace:

 3380 21:35:35.247175  # [   32.576277]  ? __warn+0x80/0x110

 3381 21:35:35.251905  # [   32.579814]  ? lkdtm_WARNING_MESSAGE+0x20/0x30

 3382 21:35:35.258794  # [   32.584623]  ? re1>[   32.927275] #PF: supervisor write access in kernel mode

 3383 21:35:35.260691  port_bug+0x9e/0xc0

 3384 21:35:35.264782  # [   32.588426]  ? handle_bug+0x41/0x90

 3385 21:35:35.268799  # [   32.592231]  ? exc_invalid_op+0x14/0x70

 3386 21:35:35.273578  # [   32.596383]  ? asm_exc_invalid_op+0x12/0x20

 3387 21:35:35.277073  # [   32.600847]  ? lkdtm_WARNING_MESSAGE+0x20/0x30

 3388 21:35:35.286388  # [   32.605563]  direct_entry.cold+0x2c/0x38<1>[   32.954946] #PF: error_code(0x0002) - not-present page

 3389 21:35:35.287250  

 3390 21:35:35.291092  # [   32.609748]  full_proxy_write+0x56/0x80

 3391 21:35:35.294376  # [   32.613845]  vfs_write+0xea/0x3b0

 3392 21:35:35.297738  # [   32.617458]  ksys_write+0x68/0xf0

 3393 21:35:35.301444  # [   32.621035]  do_syscall_64+0x33/0x40

 3394 21:35:35.306341  # [   32.624870]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 3395 21:35:35.312159  # [   32.630182] RIP: 003<6>[   32.982518] PGD 0 P4D 0 

 3396 21:35:35.314028  3:<0x7f23bd40a473

 3397 21:35:35.332382  # [   32.634020] 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

 3398 21:35:35.337660  # [   32.653048] RSP4>[   33.007493] Oops: 0002 [#2] SMP NOPTI

 3399 21:35:35.344964  : 002b:00007ffc0b3dbc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3400 21:35:35.351253  # [   32.660879] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f23bd40a473

 3401 21:35:35.359185  # [   32.668271] RDX: 0000000000000010 RSI: 00007f23bd2fe000 RDI: 0000000000000001

 3402 21:35:35.367861  # [   32.675663] RB<4>[   33.033598] CPU: 1 PID: 732 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 3403 21:35:35.373844  <4>[   33.063684] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 3404 21:35:35.379978  P: 00007f23bd2fe000 R08: 00007f23bd2fd010 R09: 0000000000000000

 3405 21:35:35.387942  # [   32.683056] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3406 21:35:35.394145  # [   32.690463] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3407 21:35:35.401158  # [   32.697866] irq ev<4>[   33.069860] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20

 3408 21:35:35.401974  ent stamp: 0

 3409 21:35:35.408524  # [   32.701184] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3410 21:35:35.416981  # [   32.707712] hardirqs last disabled at (0): [<ffffffff8f6fddac>] copy_process+0x65c/0x20e0

 3411 21:35:35.442103  # [   32.716168] softirqs last  enabled at (0): [<ffffffff8f6fddac>] cop<4>[   33.096734] Code: 48 c7 c7 50 ac a1 91 8d 70 01 89 35 d1 77 2a 03 e8 72 00 68 00 0f 0b e9 f9 63 a8 00 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 e9 db 63 a8 00 66 66 2e 0f 1f 84

 3412 21:35:35.444236  y_<process+0x65c/0x20e0

 3413 21:35:35.450705  # [   32.724608] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3414 21:35:35.455158  # [   32.731144] ---[ end trace 0e3e908715a0f2f1 ]---

 3415 21:35:35.459465  # WARNING_MESSAGE: saw 'message trigger': ok

 3416 21:35:35.462640  ok 4 selftests: lkdtm: WARNING_MESSAGE.sh

 3417 21:35:35.470203  # selftests: l4>[   33.137915] RSP: 0018:ffffb258c0d67e60 EFLAGS: 00010286

 3418 21:35:35.477243  <4>[   33.165578] RAX: ffffffff9017e650 RBX: 0000000000000004 RCX: 0000000000000000

 3419 21:35:35.478846  kdtm: EXCEPTION.sh

 3420 21:35:35.486664  <4>[   33.172961] RDX: 0000000000000000 RSI: ffff91a2ead1bf50 RDI: ffffffff915942e0

 3421 21:35:35.493758  <4>[   33.182074] RBP: ffffffff9190e0cf R08: 0000000000000000 R09: 0000000000000000

 3422 21:35:35.500830  <4>[   33.189456] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a

 3423 21:35:35.508266  <4>[   33.196841] R13: ffffb258c0d67f10 R14: ffffb258c0d67f10 R15: ffff91a2c37d8000

 3424 21:35:35.516658  <4>[   33.204224] FS:  00007f7b43087580(0000) GS:ffff91a2ead00000(0000) knlGS:0000000000000000

 3425 21:35:35.524246  <4>[   33.212560] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3426 21:35:35.530196  <4>[   33.218555] CR2: 0000000000000000 CR3: 0000000103d2a000 CR4: 00000000001506e0

 3427 21:35:35.533115  <4>[   33.225937] Call Trace:

 3428 21:35:35.536784  <4>[   33.228648]  ? __die_body.cold+0x1a/0x1f

 3429 21:35:35.541871  <4>[   33.232831]  ? no_context+0x177/0x380

 3430 21:35:35.545106  <4>[   33.236750]  ? exc_page_fault+0x53/0x170

 3431 21:35:35.550196  <4>[   33.240928]  ? asm_exc_page_fault+0x1e/0x30

 3432 21:35:35.555497  <4>[   33.245367]  ? lkdtm_WARNING_MESSAGE+0x30/0x30

 3433 21:35:35.559020  <4>[   33.250066]  ? lkdtm_EXCEPTION+0x5/0x20

 3434 21:35:35.562842  <4>[   33.254160]  direct_entry.cold+0x2c/0x38

 3435 21:35:35.567860  <4>[   33.258339]  full_proxy_write+0x56/0x80

 3436 21:35:35.571602  <4>[   33.262433]  vfs_write+0xea/0x3b0

 3437 21:35:35.573898  <4>[   33.266004]  ksys_write+0x68/0xf0

 3438 21:35:35.577730  <4>[   33.269576]  do_syscall_64+0x33/0x40

 3439 21:35:35.583493  <4>[   33.273407]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 3440 21:35:35.587324  <4>[   33.278713] RIP: 0033:0x7f7b42f62473

 3441 21:35:35.605978  <4>[   33.282542] 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

 3442 21:35:35.613844  <4>[   33.301540] RSP: 002b:00007ffd4da05e48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3443 21:35:35.621443  <4>[   33.309358] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f7b42f62473

 3444 21:35:35.628031  <4>[   33.316741] RDX: 000000000000000a RSI: 00007f7b42e56000 RDI: 0000000000000001

 3445 21:35:35.636012  <4>[   33.324125] RBP: 00007f7b42e56000 R08: 00007f7b42e55010 R09: 0000000000000000

 3446 21:35:35.643793  <4>[   33.331508] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3447 21:35:35.650945  <4>[   33.338890] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3448 21:35:35.690441  <4>[   33.346280] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 cros_ec_dev videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify chromeos_pstore snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table

 3449 21:35:35.693705  <4>[   33.386203] CR2: 0000000000000000

 3450 21:35:35.698872  <4>[   33.389836] ---[ end trace 0e3e908715a0f2f2 ]---

 3451 21:35:35.702953  <4>[   33.394750] RIP: 0010:lkdtm_BUG+0x5/0x10

 3452 21:35:35.722408  <4>[   33.399059] Code: 89 ff e8 4e c3 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 59 64 a8 00 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

 3453 21:35:35.727652  <4>[   33.418093] RSP: 0018:ffffb258c0c27e60 EFLAGS: 00010286

 3454 21:35:35.735376  <4>[   33.423669] RAX: ffffffff9017e5f0 RBX: 0000000000000001 RCX: 0000000000000000

 3455 21:35:35.742629  <4>[   33.431131] RDX: 0000000000000000 RSI: ffff91a2ead1bf50 RDI: ffffffff915942b0

 3456 21:35:35.749885  <4>[   33.438593] RBP: ffffffff91a7f050 R08: 0000000000000001 R09: 0000000000000001

 3457 21:35:35.757511  <4>[   33.446048] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3458 21:35:35.764704  <4>[   33.453530] R13: ffffb258c0c27f10 R14: ffffb258c0c27f10 R15: ffff91a2c3b54000

 3459 21:35:35.773358  <4>[   33.461008] FS:  00007f7b43087580(0000) GS:ffff91a2ead00000(0000) knlGS:0000000000000000

 3460 21:35:35.779535  <4>[   33.469406] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3461 21:35:35.786878  <4>[   33.475471] CR2: 0000000000000000 CR3: 0000000103d2a000 CR4: 00000000001506e0

 3462 21:35:36.316077  <6>[   34.005585] lkdtm: Performing direct entry CORRUPT_LIST_ADD

 3463 21:35:36.317039  # Killed

 3464 21:35:36.321951  # [   32.872860] lkdtm: Performing direct entry EXCEPTION

 3465 21:35:36.328654  # [   32.897941] BUG: kernel NULL pointer dereference, address: 0000000000000000

 3466 21:35:36.334264  # [   32.927275] #PF: supervisor write access in kernel mode

 3467 21:35:36.342965  # [   32.954946] #PF: error_code(0x0002) - <6>[   34.011425] lkdtm: attempting good list addition

 3468 21:35:36.344174  not-present page

 3469 21:35:36.346858  # [   32.982518] PGD 0 P4D 0 

 3470 21:35:36.350522  # [   33.007493] Oops: 0002 [#2] SMP NOPTI

 3471 21:35:36.358188  # [   33.033598] CPU: 1 PID: 732 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 3472 21:35:36.364658  # [   33.063684] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 3473 21:35:36.369970  # [<6>[   34.038493] lkdtm: attempting corrupted list addition

 3474 21:35:36.375035     33.069860] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20

 3475 21:35:36.397602  # [   33.096734] Code: 48 c7 c7 50 ac a1 91 8d 70 01 89 35 d1 77 2a 03 e8 72 00 68 00 0f 0b e9 f9 63 a8 00 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 e9 db 63 a8 00 66 66 2<3>[   34.066015] lkdtm: list_add() corruption not detected!

 3476 21:35:36.399115  e 0f 1f 84

 3477 21:35:36.404969  # [   33.137915] RSP: 0018:ffffb258c0d67e60 EFLAGS: 00010286

 3478 21:35:36.411979  # [   33.165578] RAX: ffffffff9017e650 RBX: 0000000000000004 RCX: 0000000000000000

 3479 21:35:36.418665  # [   33.172961] RDX: 0000000000000000 RSI: ffff91a2ead1bf50 RDI: ffffffff915942e0

 3480 21:35:36.426421  # [   33.182074] RBP: ffffffff9190e0cf R08: 0000000000000000 R09: 0000000000000000

 3481 21:35:36.433872  # [   33.189456] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a

 3482 21:35:36.440583  # [   33.196841] R13: ffffb258c0d67f10 R14: ffffb258c0d67f10 R15: ffff91a2c37d8000

 3483 21:35:36.448499  # [   33.204224] FS:  00007f7b43087580(0000) GS:ffff91a2ead00000(0000) knlGS:0000000000000000

 3484 21:35:36.455182  # [   33.212560] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3485 21:35:36.462768  # [   33.218555] CR2: 0000000000000000 CR3: 0000000103d2a000 CR4: 00000000001506e0

 3486 21:35:36.464507  # [   33.225937] Call Trace:

 3487 21:35:36.468350  # [   33.228648]  ? __die_body.cold+0x1a/0x1f

 3488 21:35:36.473064  # [   33.232831]  ? no_context+0x177/0x380

 3489 21:35:36.476800  # [   33.236750]  ? exc_page_fault+0x53/0x170

 3490 21:35:36.481947  # [   33.240928]  ? asm_exc_page_fault+0x1e/0x30

 3491 21:35:36.485293  # [   33.245367]  ? lkdtm_WARNING_MESSAGE+0x30/0x30

 3492 21:35:36.488860  # [   33.250066]  ? lkdtm_EXCEPTION+0x5/0x20

 3493 21:35:36.493982  # [   33.254160]  direct_entry.cold+0x2c/0x38

 3494 21:35:36.497707  # [   33.258339]  full_proxy_write+0x56/0x80

 3495 21:35:36.501718  # [   33.262433]  vfs_write+0xea/0x3b0

 3496 21:35:36.504152  # [   33.266004]  ksys_write+0x68/0xf0

 3497 21:35:36.507759  # [   33.269576]  do_syscall_64+0x33/0x40

 3498 21:35:36.513153  # [   33.273407]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 3499 21:35:36.518614  # [   33.278713] RIP: 0033:0x7f7b42f62473

 3500 21:35:36.536219  # [   33.282542] 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

 3501 21:35:36.544341  # [   33.301540] RSP: 002b:00007ffd4da05e48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3502 21:35:36.551059  # [   33.309358] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f7b42f62473

 3503 21:35:36.559402  # [   33.316741] RDX: 00<6>[   34.233155] lkdtm: Performing direct entry CORRUPT_LIST_DEL

 3504 21:35:36.564041  0000000000000a RSI: 00007f7b42e56000 RDI: 0000000000000001

 3505 21:35:36.571235  # [   33.324125] RBP: 00007f7b42e56000 R08: 00007f7b42e55010 R09: 0000000000000000

 3506 21:35:36.578552  # [   33.331508] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3507 21:35:36.586093  # [   33.338890] R13: 000000<6>[   34.254695] lkdtm: attempting good list removal

 3508 21:35:36.590569  0000000001 R14: 0000000000020000 R15: 0000000000020000

 3509 21:35:36.613136  # [   33.346280] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops <6>[   34.281673] lkdtm: attempting corrupted list removal

 3510 21:35:36.641163  videobuf2_v4l2 cros_ec_dev videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify chromeos_pstore snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c coreboot_tabl<3>[   34.309070] lkdtm: list_del() corruption not detected!

 3511 21:35:36.641795  e

 3512 21:35:36.645376  # [   33.386203] CR2: 0000000000000000

 3513 21:35:36.649593  # [   33.389836] ---[ end trace 0e3e908715a0f2f2 ]---

 3514 21:35:36.653190  # [   33.394750] RIP: 0010:lkdtm_BUG+0x5/0x10

 3515 21:35:36.671856  # [   33.399059] Code: 89 ff e8 4e c3 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 59 64 a8 00 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

 3516 21:35:36.678124  # [   33.418093] RSP: 0018:ffffb258c0c27e60 EFLAGS: 00010286

 3517 21:35:36.685429  # [   33.423669] RAX: ffffffff9017e5f0 RBX: 0000000000000001 RCX: 0000000000000000

 3518 21:35:36.692157  # [   33.431131] RDX: 0000000000000000 RSI: ffff91a2ead1bf50 RDI: ffffffff915942b0

 3519 21:35:36.699356  # [   33.438593] RBP: ffffffff91a7f050 R08: 0000000000000001 R09: 0000000000000001

 3520 21:35:36.707006  # [   33.446048] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3521 21:35:36.714493  # [   33.453530] R13: ffffb258c0c27f10 R14: ffffb258c0c27f10 R15: ffff91a2c3b54000

 3522 21:35:36.722187  # [   33.461008] FS:  00007f7b43087580(0000) GS:ffff91a2ead00000(0000) knlGS:0000000000000000

 3523 21:35:36.727949  # [   33.469406] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3524 21:35:36.735413  # [   33.475471] CR2: 0000000000000000 CR3: 0000000103d2a000 CR4: 00000000001506e0

 3525 21:35:36.738265  # EXCEPTION: saw 'call trace:': ok

 3526 21:35:36.741584  ok 5 selftests: lkdtm: EXCEPTION.sh

 3527 21:35:36.744407  # selftests: lkdtm: LOOP.sh

 3528 21:35:36.747556  # Skipping LOOP: Hangs the system

 3529 21:35:36.752475  ok 6 selftests: lkdtm: LOOP.sh # SKIP

 3530 21:35:36.754094  # selftests: lkdtm: EXHAUST_STACK.sh

 3531 21:35:36.758678  # Skipping EXHAUST_STACK: Corrupts memory on failure

 3532 21:35:36.762752  ok 7 selftests: lkdtm: EXHAUST_STACK.sh # SKIP

 3533 21:35:36.766452  # selftests: lkdtm: CORRUPT_STACK.sh

 3534 21:35:36.770824  # Skipping CORRUPT_STACK: Crashes entire system on success

 3535 21:35:36.775060  ok 8 selftests: lkdtm: CORRUPT_STACK.sh # SKIP

 3536 21:35:36.779485  # selftests: lkdtm: CORRUPT_STACK_STRONG.sh

 3537 21:35:36.785868  # Skipping CORRUPT_STACK_STRONG: Crashes entire system on success

 3538 21:35:36.789905  ok 9 selftests: lkdtm: CORRUPT_STACK_STRONG.sh # SKIP

 3539 21:35:36.792784  # selftests: lkdtm: CORRUPT_LIST_ADD.sh

 3540 21:35:36.802661  # [   34.005585] lkdtm: Perfor<6>[   34.480296] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING

 3541 21:35:36.806343  ming direct entry CORRUPT_LIST_ADD

 3542 21:35:36.810942  # [   34.011425] lkdtm: attempting good list addition

 3543 21:35:36.815630  # [   34.038493] lkdtm: attempting corrupted list addition

 3544 21:35:36.820520  # [   34.066015] lkdtm: list_add() corruption not detected!

 3545 21:35:36.831020  # CORRUPT_LIST_ADD: missing 'list_add corrup<6>[   34.498475] lkdtm: attempting bad read from page below current stack

 3546 21:35:36.833152  tion': [FAIL]

 3547 21:35:36.837844  not ok 10 selftests: lkdtm: CORRUPT_LIST_ADD.sh # exit=1

 3548 21:35:36.843062  # selftests: lkdtm: CORRUPT_LIST_DEL.sh

 3549 21:35:36.847541  # [   34.233155] lkdtm: Performing direct entry CORRUPT_LIST_DEL

 3550 21:35:36.852519  # [   34.254695] lkdtm: attempting good list removal

 3551 21:35:36.863637  # [   34.281673] lkdtm<0>[   34.527282] BUG: stack guard page was hit at 00000000641b7237 (stack is 000000003478fd65..000000000cf3ea54)

 3552 21:35:36.867356  : attempting corrupted list removal

 3553 21:35:36.871973  # [   34.309070] lkdtm: list_del() corruption not detected!

 3554 21:35:36.876919  # CORRUPT_LIST_DEL: missing 'list_del corruption': [FAIL]

 3555 21:35:36.882288  not ok 11 selftests: lkdtm: CORRUPT_LIST_DEL.sh # exit=1

 3556 21:35:36.892649  # selftests: lkdtm: STACK_GUARD_PAGE_LEAD<4>[   34.559415] kernel stack overflow (page fault): 0000 [#3] SMP NOPTI

 3557 21:35:36.893460  ING.sh

 3558 21:35:36.901528  <4>[   34.588115] CPU: 1 PID: 965 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 3559 21:35:36.907561  <4>[   34.596707] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 3560 21:35:36.913848  <4>[   34.602883] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a

 3561 21:35:36.931755  <4>[   34.608986] Code: e8 3b 00 0f 1f 44 00 00 53 48 c7 c7 f0 af a1 91 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 22 de fb ff 48 c7 c7 30 b0 a1 91 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 08 de fb ff 0f 1f 44

 3562 21:35:36.937571  <4>[   34.627983] RSP: 0018:ffffb258c1107e50 EFLAGS: 00010246

 3563 21:35:36.945058  <4>[   34.633462] RAX: 0000000000000038 RBX: ffffb258c1104000 RCX: 0000000000000000

 3564 21:35:36.952644  <4>[   34.640845] RDX: 0000000000000000 RSI: ffff91a2ead1bf50 RDI: ffffffff91a1b030

 3565 21:35:36.960242  <4>[   34.648228] RBP: ffffffff91a1a75a R08: 0000000000000000 R09: 0000000000000000

 3566 21:35:36.967140  <4>[   34.655611] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019

 3567 21:35:36.975000  <4>[   34.662993] R13: ffffb258c1107f10 R14: ffffb258c1107f10 R15: ffff91a2c3b46000

 3568 21:35:36.982710  <4>[   34.670376] FS:  00007f36f72c6580(0000) GS:ffff91a2ead00000(0000) knlGS:0000000000000000

 3569 21:35:36.988775  <4>[   34.678712] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3570 21:35:36.997059  <4>[   34.684707] CR2: ffffb258c1103fff CR3: 0000000102fcc000 CR4: 00000000001506e0

 3571 21:35:36.999022  <4>[   34.692091] Call Trace:

 3572 21:35:37.002092  <4>[   34.694797]  <#DF>

 3573 21:35:37.005455  <4>[   34.697071]  ? __die_body.cold+0x1a/0x1f

 3574 21:35:37.008585  <4>[   34.701250]  ? die+0x2b/0x50

 3575 21:35:37.013172  <4>[   34.704404]  ? handle_stack_overflow+0x3e/0x4d

 3576 21:35:37.016861  <4>[   34.709105]  ? no_context+0x24d/0x380

 3577 21:35:37.019491  <4>[   34.713019]  </#DF>

 3578 21:35:37.060217  <4>[   34.715376] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 cros_ec_dev videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify chromeos_pstore snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table

 3579 21:35:37.064741  <4>[   34.755296] ---[ end trace 0e3e908715a0f2f3 ]---

 3580 21:35:37.069598  <4>[   34.760169] RIP: 0010:lkdtm_BUG+0x5/0x10

 3581 21:35:37.087611  <4>[   34.764346] Code: 89 ff e8 4e c3 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 59 64 a8 00 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

 3582 21:35:37.092973  <4>[   34.783345] RSP: 0018:ffffb258c0c27e60 EFLAGS: 00010286

 3583 21:35:37.100326  <4>[   34.788825] RAX: ffffffff9017e5f0 RBX: 0000000000000001 RCX: 0000000000000000

 3584 21:35:37.107803  <4>[   34.796210] RDX: 0000000000000000 RSI: ffff91a2ead1bf50 RDI: ffffffff915942b0

 3585 21:35:37.115330  <4>[   34.803596] RBP: ffffffff91a7f050 R08: 0000000000000001 R09: 0000000000000001

 3586 21:35:37.122769  <4>[   34.810979] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3587 21:35:37.130520  <4>[   34.818377] R13: ffffb258c0c27f10 R14: ffffb258c0c27f10 R15: ffff91a2c3b54000

 3588 21:35:37.138178  <4>[   34.825764] FS:  00007f36f72c6580(0000) GS:ffff91a2ead00000(0000) knlGS:0000000000000000

 3589 21:35:37.144161  <4>[   34.834102] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3590 21:35:37.152205  <4>[   34.840099] CR2: ffffb258c1103fff CR3: 0000000102fcc000 CR4: 00000000001506e0

 3591 21:35:37.160552  <3>[   34.847485] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 3592 21:35:37.168266  <3>[   34.856601] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 965, name: cat

 3593 21:35:37.172816  <4>[   34.864334] INFO: lockdep is turned off.

 3594 21:35:37.176005  <4>[   34.868511] irq event stamp: 0

 3595 21:35:37.183022  <4>[   34.871822] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3596 21:35:37.191089  <4>[   34.878342] hardirqs last disabled at (0): [<ffffffff8f6fddac>] copy_process+0x65c/0x20e0

 3597 21:35:37.199173  <4>[   34.886767] softirqs last  enabled at (0): [<ffffffff8f6fddac>] copy_process+0x65c/0x20e0

 3598 21:35:37.206779  <4>[   34.895192] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3599 21:35:37.213821  <4>[   34.901712] CPU: 1 PID: 965 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 3600 21:35:37.219736  <4>[   34.909615] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 3601 21:35:37.222690  <4>[   34.915784] Call Trace:

 3602 21:35:37.227065  <4>[   34.918494]  dump_stack+0x77/0x9b

 3603 21:35:37.230402  <4>[   34.922068]  ___might_sleep.cold+0xa6/0xb6

 3604 21:35:37.234276  <4>[   34.926422]  exit_signals+0x1c/0x300

 3605 21:35:37.237771  <4>[   34.930252]  do_exit+0xc2/0xab0

 3606 21:35:37.241705  <4>[   34.933653]  ? ksys_write+0x68/0xf0

 3607 21:35:37.245471  <4>[   34.937397]  make_task_dead+0x2f/0x30

 3608 21:35:37.250182  <4>[   34.941319]  rewind_stack_and_make_dead+0x17/0x20

 3609 21:35:37.254203  <4>[   34.946276] RIP: 0033:0x7f36f71a2473

 3610 21:35:37.273538  <4>[   34.950108] 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

 3611 21:35:37.281695  <4>[   34.969104] RSP: 002b:00007ffc68796388 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3612 21:35:37.288704  <4>[   34.976925] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f36f71a2473

 3613 21:35:37.296072  <4>[   34.984307] RDX: 0000000000000019 RSI: 00007f36f7096000 RDI: 0000000000000001

 3614 21:35:37.303423  <4>[   34.991691] RBP: 00007f36f7096000 R08: 00007f36f7095010 R09: 0000000000000000

 3615 21:35:37.310829  <4>[   34.999075] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3616 21:35:37.318031  <4>[   35.006459] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3617 21:35:37.483451  <6>[   35.172524] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING

 3618 21:35:37.485302  # Segmentation fault

 3619 21:35:37.491949  # [   34.480296] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING

 3620 21:35:37.498659  # [   34.498475] lkdtm: attempting bad read from page below current stack

 3621 21:35:37.511752  # [   34.527282] BUG: stack guard page was hit at 00000000641b7237 (stack is 00000000<6>[   35.179226] lkdtm: attempting bad read from page above current stack

 3622 21:35:37.514734  3478fd65..000000000cf3ea54)

 3623 21:35:37.521566  # [   34.559415] kernel stack overflow (page fault): 0000 [#3] SMP NOPTI

 3624 21:35:37.528902  # [   34.588115] CPU: 1 PID: 965 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 3625 21:35:37.544288  # [   34.596707] Hardware name: Google Grunt/Grunt, BIOS  09/05<0>[   35.208036] BUG: stack guard page was hit at 0000000088e61331 (stack is 000000009092e43b..000000002033132c)

 3626 21:35:37.550507  <4>[   35.240148] kernel stack overflow (page fault): 0000 [#4] SMP NOPTI

 3627 21:35:37.558463  <4>[   35.246686] CPU: 0 PID: 999 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 3628 21:35:37.564724  <4>[   35.254595] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 3629 21:35:37.571410  <4>[   35.260773] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d

 3630 21:35:37.590261  <4>[   35.266947] Code: de fb ff 0f 1f 44 00 00 53 48 c7 c7 68 b0 a1 91 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 e8 dd fb ff 48 c7 c7 a8 b0 a1 91 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 cb dd fb ff

 3631 21:35:37.595806  <4>[   35.285945] RSP: 0018:ffffb258c119fe50 EFLAGS: 00010246

 3632 21:35:37.603218  <4>[   35.291429] RAX: 0000000000000038 RBX: ffffb258c119c000 RCX: 0000000000000000

 3633 21:35:37.610284  <4>[   35.298812] RDX: 0000000000000000 RSI: ffff91a2eac1bf50 RDI: ffffffff91a1b0a8

 3634 21:35:37.617924  <4>[   35.306196] RBP: ffffffff91a1a773 R08: 0000000000000000 R09: 0000000000000000

 3635 21:35:37.625377  <4>[   35.313579] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a

 3636 21:35:37.632280  <4>[   35.320961] R13: ffffb258c119ff10 R14: ffffb258c119ff10 R15: ffff91a2c343e000

 3637 21:35:37.640620  <4>[   35.328347] FS:  00007f1fe7eea580(0000) GS:ffff91a2eac00000(0000) knlGS:0000000000000000

 3638 21:35:37.647718  <4>[   35.336700] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3639 21:35:37.654188  <4>[   35.342697] CR2: ffffb258c11a0000 CR3: 00000001036b2000 CR4: 00000000001506f0

 3640 21:35:37.656655  <4>[   35.350079] Call Trace:

 3641 21:35:37.659880  <4>[   35.352783]  <#DF>

 3642 21:35:37.663277  <4>[   35.355057]  ? __die_body.cold+0x1a/0x1f

 3643 21:35:37.666652  <4>[   35.359239]  ? die+0x2b/0x50

 3644 21:35:37.671242  <4>[   35.362377]  ? handle_stack_overflow+0x3e/0x4d

 3645 21:35:37.675384  <4>[   35.367096]  ? no_context+0x24d/0x380

 3646 21:35:37.677365  <4>[   35.371011]  </#DF>

 3647 21:35:37.717100  <4>[   35.373368] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 cros_ec_dev videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify chromeos_pstore snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table

 3648 21:35:37.723632  <4>[   35.413296] ---[ end trace 0e3e908715a0f2f4 ]---

 3649 21:35:37.726892  <4>[   35.418169] RIP: 0010:lkdtm_BUG+0x5/0x10

 3650 21:35:37.746111  <4>[   35.422345] Code: 89 ff e8 4e c3 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 59 64 a8 00 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

 3651 21:35:37.751470  <4>[   35.441341] RSP: 0018:ffffb258c0c27e60 EFLAGS: 00010286

 3652 21:35:37.758841  <4>[   35.446821] RAX: ffffffff9017e5f0 RBX: 0000000000000001 RCX: 0000000000000000

 3653 21:35:37.765714  <4>[   35.454211] RDX: 0000000000000000 RSI: ffff91a2ead1bf50 RDI: ffffffff915942b0

 3654 21:35:37.773646  <4>[   35.461598] RBP: ffffffff91a7f050 R08: 0000000000000001 R09: 0000000000000001

 3655 21:35:37.780846  <4>[   35.468982] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3656 21:35:37.788228  <4>[   35.476365] R13: ffffb258c0c27f10 R14: ffffb258c0c27f10 R15: ffff91a2c3b54000

 3657 21:35:37.796618  <4>[   35.483749] FS:  00007f1fe7eea580(0000) GS:ffff91a2eac00000(0000) knlGS:0000000000000000

 3658 21:35:37.801668  <4>[   35.492086] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3659 21:35:37.809687  <4>[   35.498083] CR2: ffffb258c11a0000 CR3: 00000001036b2000 CR4: 00000000001506f0

 3660 21:35:37.810627  /2019

 3661 21:35:37.816041  # [   34.602883] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a

 3662 21:35:37.835383  # [   34.608986] Code: e8 3b 00 0f 1f 44 00 00 53 48 c7 c7 f0 af a1 91 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 22 de fb ff 48 c7 c7 30 b0 a1 91 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 08 de fb ff 0f 1f 44

 3663 21:35:37.840427  # [   34.627983] RSP: 0018:ffffb258c1107e50 EFLAGS: 00010246

 3664 21:35:37.847729  # [   34.633462] RAX: 0000000000000038 RBX: ffffb258c1104000 RCX: 0000000000000000

 3665 21:35:37.855166  # [   34.640845] RDX: 0000000000000000 RSI: ffff91a2ead1bf50 RDI: ffffffff91a1b030

 3666 21:35:37.862693  # [   34.648228] RBP: ffffffff91a1a75a R08: 0000000000000000 R09: 0000000000000000

 3667 21:35:37.869569  # [   34.655611] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019

 3668 21:35:37.877586  # [   34.662993] R13: ffffb258c1107f10 R14: ffffb258c1107f10 R15: ffff91a2c3b46000

 3669 21:35:37.885545  # [   34.670376] FS:  00007f36f72c6580(0000) GS:ffff91a2ead00000(0000) knlGS:0000000000000000

 3670 21:35:37.891659  # [   34.678712] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3671 21:35:37.898647  # [   34.684707] CR2: ffffb258c1103fff CR3: 0000000102fcc000 CR4: 00000000001506e0

 3672 21:35:37.900923  # [   34.692091] Call Trace:

 3673 21:35:37.903709  # [   34.694797]  <#DF>

 3674 21:35:37.908820  # [   34.697071]  ? __die_body.cold+0x1a/0x1f

 3675 21:35:37.910471  # [   34.701250]  ? die+0x2b/0x50

 3676 21:35:37.915196  # [   34.704404]  ? handle_stack_overflow+0x3e/0x4d

 3677 21:35:37.919664  # [   34.709105]  ? no_context+0x24d/0x380

 3678 21:35:37.921343  # [   34.713019]  </#DF>

 3679 21:35:37.960426  # [   34.715376] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 cros_ec_dev videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify chromeos_pstore snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table

 3680 21:35:37.966105  # [   34.755296] ---[ end trace 0e3e908715a0f2f3 ]---

 3681 21:35:37.969602  # [   34.760169] RIP: 0010:lkdtm_BUG+0x5/0x10

 3682 21:35:37.992387  # [   34.764346] Code: 89 ff e8 4e c3 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 59 64 a8 00 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<6>[   35.669714] lkdtm: Performing direct entry UNSET_SMEP

 3683 21:35:37.993543   00 78 2a 03

 3684 21:35:37.998937  # [   34.783345] RSP: 0018:ffffb258c0c27e60 EFLAGS: 00010286

 3685 21:35:38.007082  # [   34.788825] RAX: ffffffff9017e5f0 RBX: 0000000000000001 RCX: 0000000000000000

 3686 21:35:38.014218  # [   34.796210] RDX: 0000000000000000 RSI: ffff91a2ead1bf50 RDI: ffffffff915942b0

 3687 21:35:38.019604  # [   34.803<6>[   35.688435] lkdtm: trying to clear SMEP normally

 3688 21:35:38.026255  596] RBP: ffffffff91a7f050 R08: 0000000000000001 R09: 0000000000000001

 3689 21:35:38.032922  # [   34.810979] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3690 21:35:38.041001  # [   34.818377] R13: ffffb258c0c27f10 R14: ffffb258c0c27f10 R15: ffff91a2c3b54000

 3691 21:35:38.046978  # [   34.825764]<4>[   35.715507] ------------[ cut here ]------------

 3692 21:35:38.054345   FS:  00007f36f72c6580(0000) GS:ffff91a2ead00000(0000) knlGS:0000000000000000

 3693 21:35:38.059277  # [   34.834102] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3694 21:35:38.066886  # [   34.840099] CR2: ffffb258c1103fff CR3: 0000000102fcc000 CR4: 00000000001506e0

 3695 21:35:38.073601  # [   34.847485] BUG: sle<4>[   35.742558] pinned CR4 bits changed: 0x100000!?

 3696 21:35:38.080570  eping function called from invalid context at include/linux/percpu-rwsem.h:49

 3697 21:35:38.087988  # [   34.856601] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 965, name: cat

 3698 21:35:38.092346  # [   34.864334] INFO: lockdep is turned off.

 3699 21:35:38.096048  # [   34.868511] irq event stamp: 0

 3700 21:35:38.105169  # [  <4>[   35.769547] WARNING: CPU: 1 PID: 1037 at arch/x86/kernel/cpu/common.c:397 native_write_cr4+0x45/0x60

 3701 21:35:38.111248   34.871822] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3702 21:35:38.119716  # [   34.878342] hardirqs last disabled at (0): [<ffffffff8f6fddac>] copy_process+0x65c/0x20e0

 3703 21:35:38.168849  # [   34.886767] softirqs last  enabled at (0): [<ffffffff8f6fddac>] copy_process+0x65c/0x2<4>[   35.801071] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 cros_ec_dev videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify chromeos_pstore snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table

 3704 21:35:38.169304  0e0

 3705 21:35:38.174842  # [   34.895192] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3706 21:35:38.182030  # [   34.901712] CPU: 1 PID: 965 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 3707 21:35:38.187811  # [   34.909615] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 3708 21:35:38.197393  # [   34.915784]<4>[   35.863147] CPU: 1 PID: 1037 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 3709 21:35:38.204280   Call Trace:<4>[   35.893238] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 3710 21:35:38.205196  

 3711 21:35:38.210271  <4>[   35.900483] RIP: 0010:native_write_cr4+0x45/0x60

 3712 21:35:38.229207  <4>[   35.905530] Code: 39 c2 75 2d 48 85 f6 75 05 e9 37 26 54 01 80 3d 6a 50 86 02 00 75 f2 48 c7 c7 70 81 91 91 c6 05 5a 50 86 02 01 e8 8d c2 13 01 <0f> 0b e9 14 26 54 01 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09

 3713 21:35:38.237103  # [   34.918494]  dump_stack+0x77/0x9b<4>[   35.924547] RSP: 0018:ffffb258c1227e48 EFLAGS: 00010286

 3714 21:35:38.244874  <4>[   35.933303] RAX: 0000000000000000 RBX: 00000000000506e0 RCX: 0000000000000000

 3715 21:35:38.245818  

 3716 21:35:38.252871  <4>[   35.940724] RDX: ffff91a2ead2c620 RSI: ffff91a2ead1bf50 RDI: ffff91a2ead1bf50

 3717 21:35:38.262207  # [   34.922068]  ___might_<4>[   35.948287] RBP: ffffffff91a1a78d R08: 0000000000000000 R09: 0000000000000000

 3718 21:35:38.269185  <4>[   35.958008] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b

 3719 21:35:38.278880  sleep.cold+0xa6/0xb6<4>[   35.965429] R13: ffffb258c1227f10 R14: ffffb258c1227f10 R15: ffff91a2c2640000

 3720 21:35:38.279343  

 3721 21:35:38.287977  <4>[   35.974571] FS:  00007f71948a53c0(0000) GS:ffff91a2ead00000(0000) knlGS:0000000000000000

 3722 21:35:38.296603  # [   34.926422]  exit_signals+0x1c/0x300<4>[   35.983097] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3723 21:35:38.304233  <4>[   35.992645] CR2: 00007f7194676000 CR3: 000000010561e000 CR4: 00000000001506e0

 3724 21:35:38.304871  

 3725 21:35:38.306825  <4>[   36.000032] Call Trace:

 3726 21:35:38.310182  # [   34.930252]  do_exit+0xc2/0xab0

 3727 21:35:38.314316  <4>[   36.002948]  ? __warn+0x80/0x110

 3728 21:35:38.318065  # [   34.933653]  ? ksys_write+0x68/0xf0

 3729 21:35:38.321619  # [   34.937397]  make_task_dead+0x2f/0x30

 3730 21:35:38.326219  # [   34.941319]  rewind_stack_and_make_dead+0x17/0x20

 3731 21:35:38.329576  # [   34.946276] RIP: 0033:0x7f36f71a2473

 3732 21:35:38.342294  # [   34.950108] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff <4>[   36.009808]  ? native_write_cr4+0x45/0x60

 3733 21:35:38.353623  ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 3734 21:35:38.360569  # [   34.969104] RSP: 002b:00007ffc68796388 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3735 21:35:38.365984  # [   34.976925] RAX<4>[   36.036188]  ? report_bug+0x9e/0xc0

 3736 21:35:38.373564  : ffffffffffffffda RBX: 0000000000000019 RCX: 00007f36f71a2473

 3737 21:35:38.379998  # [   34.984307] RDX: 0000000000000019 RSI: 00007f36f7096000 RDI: 0000000000000001

 3738 21:35:38.386605  # [   34.991691] RBP: 00007f36f7096000 R08: 00007f36f7095010 R09: 0000000000000000

 3739 21:35:38.392445  # [   34.999075] R10: ff<4>[   36.062170]  ? handle_bug+0x41/0x90

 3740 21:35:38.397550  fffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3741 21:35:38.404775  # [   35.006459] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3742 21:35:38.408819  # STACK_GUARD_PAGE_LEADING: saw 'call trace:': ok

 3743 21:35:38.414435  ok 12 selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh

 3744 21:35:38.419871  # selfte<4>[   36.088083]  ? exc_invalid_op+0x14/0x70

 3745 21:35:38.422256  sts: lkdtm: STACK_GUARD_PAGE_TRAILING.sh

 3746 21:35:38.423810  # Segmentation fault

 3747 21:35:38.430339  # [   35.172524] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING

 3748 21:35:38.436756  # [   35.179226] lkdtm: attempting bad read from page above current stack

 3749 21:35:38.445095  # [   35.208036] BUG: stack guard page was<4>[   36.114434]  ? asm_exc_invalid_op+0x12/0x20

 3750 21:35:38.452265   hit at 0000000088e61331 (stack is 000000009092e43b..000000002033132c)

 3751 21:35:38.457789  # [   35.240148] kernel stack overflow (page fault): 0000 [#4] SMP NOPTI

 3752 21:35:38.465976  # [   35.246686] CPU: 0 PID: 999 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 3753 21:35:38.471376  # [   35.254595] Har<4>[   36.141033]  ? native_write_cr4+0x45/0x60

 3754 21:35:38.476243  dware name: Google Grunt/Grunt, BIOS  09/05/2019

 3755 21:35:38.482189  # [   35.260773] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d

 3756 21:35:38.498459  # [   35.266947] Code: de fb ff 0f 1f 44 00 00 53 48 c7 c7 68 b0 a1 91 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 e8 dd fb ff 48 c7 c7<4>[   36.167445]  ? native_write_cr4+0x45/0x60

 3757 21:35:38.505411   a8 b0 a1 91 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 cb dd fb ff

 3758 21:35:38.510696  # [   35.285945] RSP: 0018:ffffb258c119fe50 EFLAGS: 00010246

 3759 21:35:38.517738  # [   35.291429] RAX: 0000000000000038 RBX: ffffb258c119c000 RCX: 0000000000000000

 3760 21:35:38.522882  <4>[   36.193879]  lkdtm_UNSET_SMEP.cold+0x1d/0x103

 3761 21:35:38.535187  # [   35.298812] RDX: 0000000000000000 RSI: ffff91a2eac1bf50 RDI: ffffffff91a1b0a8<4>[   36.218256]  direct_entry.cold+0x2c/0x38

 3762 21:35:38.535708  

 3763 21:35:38.542036  # [   35.306196] RBP: ffffffff91a1a773 R08: 0000000000000000 R09: 0000000000000000

 3764 21:35:38.548980  # [   35.313579] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a

 3765 21:35:38.555764  # [   35.320961] R13: ffffb258c119ff10 R14: ffffb258c119ff10 R15: ffff91a2c343e000

 3766 21:35:38.559681  # <4>[   36.229540]  full_proxy_write+0x56/0x80

 3767 21:35:38.569113  [   35.328347] FS:  00007f1fe7eea580(0000) GS:ffff91a2eac00000(0000) knlGS:0000000000000000

 3768 21:35:38.574019  # [   35.336700] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3769 21:35:38.581370  # [   35.342697] CR2: ffffb258c11a0000 CR3: 00000001036b2000 CR4: 00000000001506f0

 3770 21:35:38.585550  # [   35.35<4>[   36.255807]  vfs_write+0xea/0x3b0

 3771 21:35:38.587773  0079] Call Trace:

 3772 21:35:38.590819  <4>[   36.281588]  ksys_write+0x68/0xf0

 3773 21:35:38.593559  # [   35.352783]  <#DF>

 3774 21:35:38.597071  # [   35.355057]  ? __die_body.cold+0x1a/0x1f

 3775 21:35:38.600748  # [   35.359239]  ? die+0x2b/0x50

 3776 21:35:38.606017  # [   35.362377]  ? handle_stack_overflow+0x3e/0x4d

 3777 21:35:38.608436  # [   35.367096]  ? no_context+0x24d/0x380

 3778 21:35:38.611168  # [   35.371011]  </#DF>

 3779 21:35:38.616780  # [   35.373368] Modules l<4>[   36.286779]  do_syscall_64+0x33/0x40

 3780 21:35:38.644744  inked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 cros_ec_dev videobuf2_common designware_i2s snd_soc_acp_da7219mx983<4>[   36.312811]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 3781 21:35:38.662378  57_mach cros_usbpd_notify chromeos_pstore snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table

 3782 21:35:38.664554  # [   35.413296] ---[ end trace 0e3e908715a0f2f4 ]---

 3783 21:35:38.670178  # [   35.418169] RIP: 00<4>[   36.340291] RIP: 0033:0x7f7194782473

 3784 21:35:38.672413  10:lkdtm_BUG+0x5/0x10

 3785 21:35:38.691296  # [   35.422345] Code: 89 ff e8 4e c3 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 59 64 a8 00 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

 3786 21:35:38.711357  # [   35.441341<4>[   36.366313] 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

 3787 21:35:38.715873  ] RSP: 0018:ffffb258c0c27e60 EFLAGS: 00010286

 3788 21:35:38.723258  # [   35.446821] RAX: ffffffff9017e5f0 RBX: 0000000000000001 RCX: 0000000000000000

 3789 21:35:38.730272  # [   35.454211] RDX: 0000000000000000 RSI: ffff91a2ead1bf50 RDI: ffffffff915942b0

 3790 21:35:38.742447  # [   35.461598] RBP: ffffffff91a7f050 R0<4>[   36.407503] RSP: 002b:00007ffd214cfeb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3791 21:35:38.745314  8: 0000000000000001 R09: 0000000000000001

 3792 21:35:38.759854  # [   35.468982] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004<4>[   36.437510] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f7194782473

 3793 21:35:38.760342  

 3794 21:35:38.767402  <4>[   36.455745] RDX: 000000000000000b RSI: 00007f7194676000 RDI: 0000000000000001

 3795 21:35:38.775412  # [   35.476365] R13: ffffb258c0c27f10 R14: ffffb258c0c27f10 R15: ffff91a2c3b54000

 3796 21:35:38.783434  # [   35.483749] FS:  00007f1fe7eea580(0000) GS:ffff91a2eac00000(0000) knlGS:0000000000000000

 3797 21:35:38.788853  # [   35.492086] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3798 21:35:38.796606  # [   35.<4>[   36.463298] RBP: 00007f7194676000 R08: 00007f7194675010 R09: 0000000000000000

 3799 21:35:38.804532  498083] CR2: ffffb258c11a0000 CR3: 00000001036b2000 CR4: 00000000001506f0

 3800 21:35:38.808054  # STACK_GUARD_PAGE_TRAILING: saw 'call trace:': ok

 3801 21:35:38.813075  ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh

 3802 21:35:38.817124  # selftests: lkdtm: UNSET_SMEP.sh

 3803 21:35:38.823132  <4>[   36.492855] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3804 21:35:38.831274  <4>[   36.518961] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3805 21:35:38.833634  <4>[   36.526381] irq event stamp: 0

 3806 21:35:38.840437  <4>[   36.529709] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3807 21:35:38.849891  <4>[   36.536244] hardirqs last disabled at (0): [<ffffffff8f6fddac>] copy_process+0x65c/0x20e0

 3808 21:35:38.857778  <4>[   36.544682] softirqs last  enabled at (0): [<ffffffff8f6fddac>] copy_process+0x65c/0x20e0

 3809 21:35:38.863633  <4>[   36.553108] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3810 21:35:38.869161  <4>[   36.559628] ---[ end trace 0e3e908715a0f2f5 ]---

 3811 21:35:38.873628  <6>[   36.564504] lkdtm: ok: SMEP did not get cleared

 3812 21:35:38.878789  <6>[   36.569290] lkdtm: trying to clear SMEP with call gadget

 3813 21:35:38.883738  <6>[   36.574881] lkdtm: ok: SMEP removal was reverted

 3814 21:35:38.915440  # [   35.669714] lkdtm: Performing direct entry UNSET_SMEP

 3815 21:35:38.919478  # [   35.688435] lkdtm: trying to clear SMEP normally

 3816 21:35:38.924683  # [   35.715507] ------------[ cut here ]------------

 3817 21:35:38.930169  # [   35.742558] pinned CR4 bits changed: 0x100000!?

 3818 21:35:38.938423  # [   35.769547] WARNING: CPU: 1 PID: 1037 at arch/x86/kernel/cpu/common.c:397 native_write_cr4+0x45/0x60

 3819 21:35:38.978188  # [   35.801071] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 cros_ec_dev videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify chromeos_pstore snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table

 3820 21:35:38.987595  # [   35.863147] CPU: 1 PID: 1037 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 3821 21:35:38.992087  # [   35.893238] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 3822 21:35:38.997060  # [   35.900483] RIP: 0010:native_write_cr4+0x45/0x60

 3823 21:35:39.015679  # [   35.905530] Code: 39 c2 75 2d 48 85 f6 75 05 e9 37 26 54 01 80 3d 6a 50 86 02 00 75 f2 48 c7 c7 70 81 91 91 c6 05 5a 50 86 02 01 e8 8d c2 13 01 <0f> 0b e9 14 26 54 01 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09

 3824 21:35:39.020998  # [   35.924547] RSP: 0018:ffffb258c1227e48 EFLAGS: 00010286

 3825 21:35:39.029147  # [   35.933303] RAX: 0000000000000000 RBX: 00000000000506e0 RCX: 0000000000000000

 3826 21:35:39.035618  # [   35.940724] RDX: ffff91a2ead2c620 RSI: ffff91a2ead1bf50 RDI: ffff91a2ead1bf50

 3827 21:35:39.046026  # [   35.948287] RBP: ffffffff91a1a78d R08: 0000<6>[   36.719127] lkdtm: Performing direct entry DOUBLE_FAULT

 3828 21:35:39.048413  000000000000 R09: 0000000000000000

 3829 21:35:39.055931  # [   35.958008] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b

 3830 21:35:39.062943  # [   35.965429] R13: ffffb258c1227f10 R14: ffffb258c1227f10 R15: ffff91a2c2640000

 3831 21:35:39.072452  # [   35.974571] FS:  00007f71948a53c0(0000) GS:ffff<3>[   36.741195] lkdtm: XFAIL: this test is ia32-only

 3832 21:35:39.076045  91a2ead00000(0000) knlGS:0000000000000000

 3833 21:35:39.083223  # [   35.983097] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3834 21:35:39.089248  # [   35.992645] CR2: 00007f7194676000 CR3: 000000010561e000 CR4: 00000000001506e0

 3835 21:35:39.092553  # [   36.000032] Call Trace:

 3836 21:35:39.096722  # [   36.002948]  ? __warn+0x80/0x110

 3837 21:35:39.099734  # [   36.009808]  ? native_write_cr4+0x45/0x60

 3838 21:35:39.102871  # [   36.036188]  ? report_bug+0x9e/0xc0

 3839 21:35:39.107182  # [   36.062170]  ? handle_bug+0x41/0x90

 3840 21:35:39.110858  # [   36.088083]  ? exc_invalid_op+0x14/0x70

 3841 21:35:39.115085  # [   36.114434]  ? asm_exc_invalid_op+0x12/0x20

 3842 21:35:39.120140  # [   36.141033]  ? native_write_cr4+0x45/0x60

 3843 21:35:39.123751  # [   36.167445]  ? native_write_cr4+0x45/0x60

 3844 21:35:39.127982  # [   36.193879]  lkdtm_UNSET_SMEP.cold+0x1d/0x103

 3845 21:35:39.134263  # [   36.218256]  direct_entry.cold+0x2c/0x38

 3846 21:35:39.135829  # [   36.229540]  full_proxy_write+0x56/0x80

 3847 21:35:39.139934  # [   36.255807]  vfs_write+0xea/0x3b0

 3848 21:35:39.142794  # [   36.281588]  ksys_write+0x68/0xf0

 3849 21:35:39.147107  # [   36.286779]  do_syscall_64+0x33/0x40

 3850 21:35:39.151986  # [   36.312811]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 3851 21:35:39.156313  # [   36.340291] RIP: 0033:0x7f7194782473

 3852 21:35:39.174234  # [   36.366313] 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

 3853 21:35:39.182810  # [   36.407503] RSP: 002b:00007ffd214cfeb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3854 21:35:39.189727  # [   36.437510] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f7194782473

 3855 21:35:39.196276  # [   36.455745] RDX: 000000000000000b RSI: 00007f7194676000 RDI: 0000000000000001

 3856 21:35:39.204936  # [   36.463298] RBP: 00007f7194676000 R08: 00007f7194675010 R09: 0000000000000000

 3857 21:35:39.211486  # [   36.492855] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3858 21:35:39.218396  # [   36.518961] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3859 21:35:39.221533  # [   36.526381] irq event stamp: 0

 3860 21:35:39.232914  # [   36.529709] hardirqs last  enabled at (0): [<0000000000000000>] <6>[   36.903338] lkdtm: Performing direct entry CORRUPT_PAC

 3861 21:35:39.233369  0x0

 3862 21:35:39.241625  # [   36.536244] hardirqs last disabled at (0): [<ffffffff8f6fddac>] copy_process+0x65c/0x20e0

 3863 21:35:39.251647  # [   36.544682] softirqs last  enabled at (0): [<ffffffff8f6fddac>] copy_process+0x65c/0x20e0

 3864 21:35:39.260736  # [   36.553108] softirqs last disabled at (0): [<000000000<3>[   36.929084] lkdtm: XFAIL: this test is arm64-only

 3865 21:35:39.261973  0000000>] 0x0

 3866 21:35:39.266026  # [   36.559628] ---[ end trace 0e3e908715a0f2f5 ]---

 3867 21:35:39.270582  # [   36.564504] lkdtm: ok: SMEP did not get cleared

 3868 21:35:39.276872  # [   36.569290] lkdtm: trying to clear SMEP with call gadget

 3869 21:35:39.281646  # [   36.574881] lkdtm: ok: SMEP removal was reverted

 3870 21:35:39.285308  # UNSET_SMEP: saw 'pinned CR4 bits changed:': ok

 3871 21:35:39.289468  ok 14 selftests: lkdtm: UNSET_SMEP.sh

 3872 21:35:39.291508  # selftests: lkdtm: DOUBLE_FAULT.sh

 3873 21:35:39.297784  # [   36.719127] lkdtm: Performing direct entry DOUBLE_FAULT

 3874 21:35:39.302063  # [   36.741195] lkdtm: XFAIL: this test is ia32-only

 3875 21:35:39.305358  # DOUBLE_FAULT: saw 'XFAIL': [SKIP]

 3876 21:35:39.309859  ok 15 selftests: lkdtm: DOUBLE_FAULT.sh # SKIP

 3877 21:35:39.312478  # selftests: lkdtm: CORRUPT_PAC.sh

 3878 21:35:39.317698  # [   36.903338] lkdtm: Performing direct entry CORRUPT_PAC

 3879 21:35:39.322614  # [   36.929084] lkdtm: XFAIL: this test is arm64-only

 3880 21:35:39.325732  # CORRUPT_PAC: saw 'XFAIL': [SKIP]

 3881 21:35:39.330594  ok 16 selftests: lkdtm: CORRUPT_PAC.sh # SKIP

 3882 21:35:39.334154  # selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh

 3883 21:35:39.400834  <6>[   37.089390] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE

 3884 21:35:39.406887  <3>[   37.096110] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS

 3885 21:35:39.432967  # [   37.089390] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE

 3886 21:35:39.439635  # [   37.096110] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS

 3887 21:35:39.444300  # UNALIGNED_LOAD_STORE_WRITE: saw 'XFAIL': [SKIP]

 3888 21:35:39.452562  ok 17 selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh # SKIP

 3889 21:35:39.458865  # selftests: lkdtm: OVERWRITE_ALLOCATION.sh

 3890 21:35:39.523973  # Skipping OVERWRITE_ALLOCATION: Corrupts memory on failure

 3891 21:35:39.528813  ok 18 selftests: lkdtm: OVERWRITE_ALLOCATION.sh # SKIP

 3892 21:35:39.532036  # selftests: lkdtm: WRITE_AFTER_FREE.sh

 3893 21:35:39.587390  # Skipping WRITE_AFTER_FREE: Corrupts memory on failure

 3894 21:35:39.591064  ok 19 selftests: lkdtm: WRITE_AFTER_FREE.sh # SKIP

 3895 21:35:39.594993  # selftests: lkdtm: READ_AFTER_FREE.sh

 3896 21:35:39.689025  <6>[   37.379286] lkdtm: Performing direct entry READ_AFTER_FREE

 3897 21:35:39.694535  <6>[   37.385044] lkdtm: Value in memory before free: 12345678

 3898 21:35:39.700229  <6>[   37.390656] lkdtm: Attempting bad read from freed memory

 3899 21:35:39.704629  <6>[   37.396258] lkdtm: Memory was not poisoned

 3900 21:35:39.741951  # [   37.379286] lkdtm: Performing direct entry READ_AFTER_FREE

 3901 21:35:39.747059  # [   37.385044] lkdtm: Value in memory before free: 12345678

 3902 21:35:39.752371  # [   37.390656] lkdtm: Attempting bad read from freed memory

 3903 21:35:39.757076  # [   37.396258] lkdtm: Memory was not poisoned

 3904 21:35:39.761106  # READ_AFTER_FREE: missing 'call trace:': [FAIL]

 3905 21:35:39.765974  not ok 20 selftests: lkdtm: READ_AFTER_FREE.sh # exit=1

 3906 21:35:39.769699  # selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh

 3907 21:35:39.827294  # Skipping WRITE_BUDDY_AFTER_FREE: Corrupts memory on failure

 3908 21:35:39.831927  ok 21 selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # SKIP

 3909 21:35:39.835706  # selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh

 3910 21:35:39.924368  <6>[   37.613251] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE

 3911 21:35:39.929723  <6>[   37.619527] lkdtm: Value in memory before free: 12345678

 3912 21:35:39.935177  <6>[   37.625127] lkdtm: Attempting to read from freed memory

 3913 21:35:39.939366  <6>[   37.630625] lkdtm: Buddy page was not poisoned

 3914 21:35:39.970562  # [   37.613251] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE

 3915 21:35:39.975346  # [   37.619527] lkdtm: Value in memory before free: 12345678

 3916 21:35:39.981835  # [   37.625127] lkdtm: Attempting to read from freed memory

 3917 21:35:39.985101  # [   37.630625] lkdtm: Buddy page was not poisoned

 3918 21:35:39.990203  # READ_BUDDY_AFTER_FREE: missing 'call trace:': [FAIL]

 3919 21:35:39.997567  not ok 22 selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh # exit=1

 3920 21:35:39.999061  # selftests: lkdtm: SLAB_FREE_DOUBLE.sh

 3921 21:35:40.096392  <6>[   37.786682] lkdtm: Performing direct entry SLAB_FREE_DOUBLE

 3922 21:35:40.101792  <6>[   37.792543] lkdtm: Attempting double slab free ...

 3923 21:35:40.130727  # [   37.786682] lkdtm: Performing direct entry SLAB_FREE_DOUBLE

 3924 21:35:40.134737  # [   37.792543] lkdtm: Attempting double slab free ...

 3925 21:35:40.142949  # SLAB_FREE_DOUBLE: missing 'call trace:': [FAIL]

 3926 21:35:40.150449  not ok 23 selftests: lkdtm: SLAB_FREE_DOUBLE.sh # exit=1

 3927 21:35:40.157462  # selftests: lkdtm: SLAB_FREE_CROSS.sh

 3928 21:35:40.255071  <6>[   37.945519] lkdtm: Performing direct entry SLAB_FREE_CROSS

 3929 21:35:40.260738  <6>[   37.951344] lkdtm: Attempting cross-cache slab free ...

 3930 21:35:40.284830  # [   37.945519] lkdtm: Performing direct entry SLAB_FREE_CROSS

 3931 21:35:40.289856  # [   37.951344] lkdtm: Attempting cross-cache slab free ...

 3932 21:35:40.296457  # SLAB_FREE_CROSS: missing 'call trace:': [FAIL]

 3933 21:35:40.303796  not ok 24 selftests: lkdtm: SLAB_FREE_CROSS.sh # exit=1

 3934 21:35:40.309713  # selftests: lkdtm: SLAB_FREE_PAGE.sh

 3935 21:35:40.405946  <6>[   38.096430] lkdtm: Performing direct entry SLAB_FREE_PAGE

 3936 21:35:40.411645  <6>[   38.102097] lkdtm: Attempting non-Slab slab free ...

 3937 21:35:40.446838  # [   38.096430] lkdtm: Performing direct entry SLAB_FREE_PAGE

 3938 21:35:40.451061  # [   38.102097] lkdtm: Attempting non-Slab slab free ...

 3939 21:35:40.456725  # SLAB_FREE_PAGE: missing 'call trace:': [FAIL]

 3940 21:35:40.463568  not ok 25 selftests: lkdtm: SLAB_FREE_PAGE.sh # exit=1

 3941 21:35:40.468508  # selftests: lkdtm: SOFTLOCKUP.sh

 3942 21:35:40.532234  # Skipping SOFTLOCKUP: Hangs the system

 3943 21:35:40.536019  ok 26 selftests: lkdtm: SOFTLOCKUP.sh # SKIP

 3944 21:35:40.541613  # selftests: lkdtm: HARDLOCKUP.sh

 3945 21:35:40.610739  # Skipping HARDLOCKUP: Hangs the system

 3946 21:35:40.614925  ok 27 selftests: lkdtm: HARDLOCKUP.sh # SKIP

 3947 21:35:40.619571  # selftests: lkdtm: SPINLOCKUP.sh

 3948 21:35:40.683198  # Skipping SPINLOCKUP: Hangs the system

 3949 21:35:40.687444  ok 28 selftests: lkdtm: SPINLOCKUP.sh # SKIP

 3950 21:35:40.690371  # selftests: lkdtm: HUNG_TASK.sh

 3951 21:35:40.739422  # Skipping HUNG_TASK: Hangs the system

 3952 21:35:40.743490  ok 29 selftests: lkdtm: HUNG_TASK.sh # SKIP

 3953 21:35:40.747209  # selftests: lkdtm: EXEC_DATA.sh

 3954 21:35:40.815890  <6>[   38.506952] lkdtm: Performing direct entry EXEC_DATA

 3955 21:35:40.821698  <6>[   38.512191] lkdtm: attempting ok execution at ffffffff9017e9c0

 3956 21:35:40.830090  <6>[   38.518351] lkdtm: attempting bad execution at ffffffff93425e40

 3957 21:35:40.835787  <2>[   38.524551] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)

 3958 21:35:40.843151  <1>[   38.532281] BUG: unable to handle page fault for address: ffffffff93425e40

 3959 21:35:40.849023  <1>[   38.539403] #PF: supervisor instruction fetch in kernel mode

 3960 21:35:40.854820  <1>[   38.545313] #PF: error_code(0x0011) - permissions violation

 3961 21:35:40.861593  <6>[   38.551136] PGD 1aa29067 P4D 1aa29067 PUD 1aa2a063 PMD 800000001c2001e3 

 3962 21:35:40.865605  <4>[   38.558090] Oops: 0011 [#5] SMP NOPTI

 3963 21:35:40.873441  <4>[   38.562009] CPU: 1 PID: 1560 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 3964 21:35:40.880093  <4>[   38.569996] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 3965 21:35:40.884885  <4>[   38.576170] RIP: 0010:data_area+0x0/0x40

 3966 21:35:40.903590  <4>[   38.580345] Code: ff ff 00 b4 ec c4 a2 91 ff ff 00 b3 ec c4 a2 91 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 e9 76 60 a8 00 66 0f 1f 44 00 00 0f 1f 44 00 00 55

 3967 21:35:40.909197  <4>[   38.599342] RSP: 0018:ffffb258c19c7e48 EFLAGS: 00010246

 3968 21:35:40.915663  <4>[   38.604817] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000

 3969 21:35:40.923031  <4>[   38.612199] RDX: 0000000000000000 RSI: ffff91a2ead1bf50 RDI: ffff91a2ead1bf50

 3970 21:35:40.930883  <4>[   38.619581] RBP: ffffffff93425e40 R08: 0000000000000000 R09: 0000000000000000

 3971 21:35:40.938728  <4>[   38.626963] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a

 3972 21:35:40.945077  <4>[   38.634344] R13: ffffb258c19c7f10 R14: ffffb258c19c7f10 R15: ffff91a2c3d2f000

 3973 21:35:40.954021  <4>[   38.641733] FS:  00007fac6aa7d3c0(0000) GS:ffff91a2ead00000(0000) knlGS:0000000000000000

 3974 21:35:40.959979  <4>[   38.650068] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3975 21:35:40.967544  <4>[   38.656062] CR2: ffffffff93425e40 CR3: 0000000106534000 CR4: 00000000001506e0

 3976 21:35:40.969625  <4>[   38.663444] Call Trace:

 3977 21:35:40.973752  <4>[   38.666152]  ? __die_body.cold+0x1a/0x1f

 3978 21:35:40.978692  <4>[   38.670330]  ? no_context+0x177/0x380

 3979 21:35:40.982160  <4>[   38.674249]  ? exc_page_fault+0xd7/0x170

 3980 21:35:40.986601  <4>[   38.678430]  ? asm_exc_page_fault+0x1e/0x30

 3981 21:35:40.991436  <4>[   38.682873]  ? execute_location+0x48/0x56

 3982 21:35:40.995191  <4>[   38.687138]  ? direct_entry.cold+0x2c/0x38

 3983 21:35:40.999333  <4>[   38.691493]  ? full_proxy_write+0x56/0x80

 3984 21:35:41.003933  <4>[   38.695757]  ? vfs_write+0xea/0x3b0

 3985 21:35:41.007001  <4>[   38.699501]  ? ksys_write+0x68/0xf0

 3986 21:35:41.011143  <4>[   38.703245]  ? do_syscall_64+0x33/0x40

 3987 21:35:41.016272  <4>[   38.707248]  ? entry_SYSCALL_64_after_hwframe+0x62/0xc7

 3988 21:35:41.057064  <4>[   38.712743] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 cros_ec_dev videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify chromeos_pstore snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table

 3989 21:35:41.059882  <4>[   38.752658] CR2: ffffffff93425e40

 3990 21:35:41.064624  <4>[   38.756229] ---[ end trace 0e3e908715a0f2f6 ]---

 3991 21:35:41.068613  <4>[   38.761102] RIP: 0010:lkdtm_BUG+0x5/0x10

 3992 21:35:41.087757  <4>[   38.765278] Code: 89 ff e8 4e c3 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 59 64 a8 00 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

 3993 21:35:41.093649  <4>[   38.784272] RSP: 0018:ffffb258c0c27e60 EFLAGS: 00010286

 3994 21:35:41.100635  <4>[   38.789748] RAX: ffffffff9017e5f0 RBX: 0000000000000001 RCX: 0000000000000000

 3995 21:35:41.108316  <4>[   38.797131] RDX: 0000000000000000 RSI: ffff91a2ead1bf50 RDI: ffffffff915942b0

 3996 21:35:41.116262  <4>[   38.804514] RBP: ffffffff91a7f050 R08: 0000000000000001 R09: 0000000000000001

 3997 21:35:41.124082  <4>[   38.811899] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3998 21:35:41.130466  <4>[   38.819280] R13: ffffb258c0c27f10 R14: ffffb258c0c27f10 R15: ffff91a2c3b54000

 3999 21:35:41.139042  <4>[   38.826662] FS:  00007fac6aa7d3c0(0000) GS:ffff91a2ead00000(0000) knlGS:0000000000000000

 4000 21:35:41.144360  <4>[   38.834998] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4001 21:35:41.152401  <4>[   38.840993] CR2: ffffffff93425e40 CR3: 0000000106534000 CR4: 00000000001506e0

 4002 21:35:41.161292  <3>[   38.848377] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 4003 21:35:41.170080  <3>[   38.857493] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1560, name: cat

 4004 21:35:41.172927  <4>[   38.865308] INFO: lockdep is turned off.

 4005 21:35:41.176398  <4>[   38.869483] irq event stamp: 0

 4006 21:35:41.183172  <4>[   38.872794] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 4007 21:35:41.191910  <4>[   38.879312] hardirqs last disabled at (0): [<ffffffff8f6fddac>] copy_process+0x65c/0x20e0

 4008 21:35:41.199885  <4>[   38.887735] softirqs last  enabled at (0): [<ffffffff8f6fddac>] copy_process+0x65c/0x20e0

 4009 21:35:41.207042  <4>[   38.896156] softirqs last disabled at (0): [<0000000000000000>] 0x0

 4010 21:35:41.213997  <4>[   38.902674] CPU: 1 PID: 1560 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 4011 21:35:41.220323  <4>[   38.910663] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 4012 21:35:41.223215  <4>[   38.916830] Call Trace:

 4013 21:35:41.226844  <4>[   38.919537]  dump_stack+0x77/0x9b

 4014 21:35:41.230896  <4>[   38.923109]  ___might_sleep.cold+0xa6/0xb6

 4015 21:35:41.236648  <4>[   38.927461]  exit_signals+0x1c/0x300

 4016 21:35:41.238338  <4>[   38.931292]  do_exit+0xc2/0xab0

 4017 21:35:41.242651  <4>[   38.934688]  ? ksys_write+0x68/0xf0

 4018 21:35:41.246356  <4>[   38.938433]  make_task_dead+0x2f/0x30

 4019 21:35:41.250735  <4>[   38.942352]  rewind_stack_and_make_dead+0x17/0x20

 4020 21:35:41.254810  <4>[   38.947319] RIP: 0033:0x7fac6a95a473

 4021 21:35:41.273944  <4>[   38.951149] 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

 4022 21:35:41.281620  <4>[   38.970144] RSP: 002b:00007ffdeff565b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4023 21:35:41.288689  <4>[   38.977962] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fac6a95a473

 4024 21:35:41.297403  <4>[   38.985357] RDX: 000000000000000a RSI: 00007fac6a84e000 RDI: 0000000000000001

 4025 21:35:41.304104  <4>[   38.992738] RBP: 00007fac6a84e000 R08: 00007fac6a84d010 R09: 0000000000000000

 4026 21:35:41.311642  <4>[   39.000121] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4027 21:35:41.318432  <4>[   39.007503] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4028 21:35:41.320455  # Killed

 4029 21:35:41.356140  # [   38.506952] lkdtm: Performing direct entry EXEC_DATA

 4030 21:35:41.362742  # [   38.512191] lkdtm: attempting ok execution at ffffffff9017e9c0

 4031 21:35:41.369953  # [   38.518351] lkdtm: attempting bad execution at ffffffff93425e40

 4032 21:35:41.375669  # [   38.524551] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)

 4033 21:35:41.382650  # [   38.532281] BUG: unable to handle page fault for address: ffffffff93425e40

 4034 21:35:41.388523  # [   38.539403] #PF: supervisor instruction fetch in kernel mode

 4035 21:35:41.394462  # [   38.545313] #PF: error_code(0x0011) - permissions violation

 4036 21:35:41.402417  # [   38.551136] PGD 1aa29067 P4D 1aa29067 PUD 1aa2a063 PMD 800000001c2001e3 

 4037 21:35:41.405690  # [   38.558090] Oops: 0011 [#5] SMP NOPTI

 4038 21:35:41.413617  # [   38.562009] CPU: 1 PID: 1560 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 4039 21:35:41.418895  # [   38.569996] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 4040 21:35:41.424399  # [   38.576170] RIP: 0010:data_area+0x0/0x40

 4041 21:35:41.442066  # [   38.580345] Code: ff ff 00 b4 ec c4 a2 91 ff ff 00 b3 ec c4 a2 91 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 e9 76 60 a8 00 66 0f 1f 44 00 00 0f 1f 44 00 00 55

 4042 21:35:41.448225  # [   38.599342] RSP: 0018:ffffb258c19c7e48 EFLAGS: 00010246

 4043 21:35:41.455280  # [   38.604817] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000

 4044 21:35:41.462269  # [   38.612199] RDX: 0000000000000000 RSI: ffff91a2ead1bf50 RDI: ffff91a2ead1bf50

 4045 21:35:41.472348  # [   38.619581] RBP: ffffffff93425e40 R08: 0000000000000000<6>[   39.155374] lkdtm: Performing direct entry EXEC_STACK

 4046 21:35:41.474365   R09: 0000000000000000

 4047 21:35:41.481893  # [   38.626963] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a

 4048 21:35:41.489594  # [   38.634344] R13: ffffb258c19c7f10 R14: ffffb258c19c7f10 R15: ffff91a2c3d2f000

 4049 21:35:41.501078  # [   38.641733] FS:  00007fac6aa7d3c0(0000) GS:ffff91a2ead00000<6>[   39.168892] lkdtm: attempting ok execution at ffffffff9017e9c0

 4050 21:35:41.503707  (0000) knlGS:0000000000000000

 4051 21:35:41.509626  # [   38.650068] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4052 21:35:41.516712  # [   38.656062] CR2: ffffffff93425e40 CR3: 0000000106534000 CR4: 00000000001506e0

 4053 21:35:41.520096  # [   38.663444] Call Trace:

 4054 21:35:41.529139  # [   38.666152]  ? __die_body.cold+0x1a/0x<6>[   39.197178] lkdtm: attempting bad execution at ffffb258c1a57e18

 4055 21:35:41.529508  1f

 4056 21:35:41.533434  # [   38.670330]  ? no_context+0x177/0x380

 4057 21:35:41.537394  # [   38.674249]  ? exc_page_fault+0xd7/0x170

 4058 21:35:41.541958  # [   38.678430]  ? asm_exc_page_fault+0x1e/0x30

 4059 21:35:41.546861  # [   38.682873]  ? execute_location+0x48/0x56

 4060 21:35:41.550939  # [   38.687138]  ? direct_entry.cold+0x2c/0x38

 4061 21:35:41.559300  # [   38.69149<2>[   39.225523] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)

 4062 21:35:41.562389  3]  ? full_proxy_write+0x56/0x80

 4063 21:35:41.565593  # [   38.695757]  ? vfs_write+0xea/0x3b0

 4064 21:35:41.569205  # [   38.699501]  ? ksys_write+0x68/0xf0

 4065 21:35:41.573797  # [   38.703245]  ? do_syscall_64+0x33/0x40

 4066 21:35:41.579207  # [   38.707248]  ? entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4067 21:35:41.588757  # [   38.712743] Modules linked<1>[   39.255408] BUG: unable to handle page fault for address: ffffb258c1a57e18

 4068 21:35:41.617123   in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 cros_ec_dev videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_ma<1>[   39.284714] #PF: supervisor instruction fetch in kernel mode

 4069 21:35:41.622708  <1>[   39.312811] #PF: error_code(0x0011) - permissions violation

 4070 21:35:41.638100  ch cros_usbpd_notify chromeos_pstore snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table

 4071 21:35:41.642020  # [   38.752658] CR2: ffffffff93425e40

 4072 21:35:41.653063  # [   38.756229] ---[ end trace 0e3e908715a0<6>[   39.318634] PGD 100000067 P4D 100000067 PUD 10023b067 PMD 102fdb067 PTE 80000001030f2163

 4073 21:35:41.654085  f2f6 ]---

 4074 21:35:41.658319  # [   38.761102] RIP: 0010:lkdtm_BUG+0x5/0x10

 4075 21:35:41.678683  # [   38.765278] Code: 89 ff e8 4e c3 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 59 64 a8 00 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<4>[   39.349154] Oops: 0011 [#6] SMP NOPTI

 4076 21:35:41.681581   83 05 00 78 2a 03

 4077 21:35:41.685934  # [   38.784272] RSP: 0018:ffffb258c0c27e60 EFLAGS: 00010286

 4078 21:35:41.693978  # [   38.789748] RAX: ffffffff9017e5f0 RBX: 0000000000000001 RCX: 0000000000000000

 4079 21:35:41.700592  # [   38.797131] RDX: 0000000000000000 RSI: ffff91a2ead1bf50 RDI: ffffffff915942b0

 4080 21:35:41.709136  # [   <4>[   39.375259] CPU: 1 PID: 1597 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 4081 21:35:41.716240  38<.804514] RBP: ffffffff91a7f050 R08: 0000000000000001 R09: 0000000000000001

 4082 21:35:41.723957  # [   38.811899] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4083 21:35:41.730459  # [   38.819280] R13: ffffb258c0c27f10 R14: ffffb258c0c27f10 R15: ffff91a2c3b54000

 4084 21:35:41.737652  # [   38.84>[   39.405431] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 4085 21:35:41.744852  26662] FS:  00007fac6aa7d3c0(0000) GS:ffff91a2ead00000(0000) knlGS:0000000000000000

 4086 21:35:41.750951  # [   38.834998] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4087 21:35:41.757956  # [   38.840993] CR2: ffffffff93425e40 CR3: 0000000106534000 CR4: 00000000001506e0

 4088 21:35:41.764741  # [   38.848377] BU<4>[   39.433793] RIP: 0010:0xffffb258c1a57e18

 4089 21:35:41.771258  G: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 4090 21:35:41.778918  # [   38.857493] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1560, name: cat

 4091 21:35:41.783147  # [   38.865308] INFO: lockdep is turned off.

 4092 21:35:41.806207  # [   38.869483] irq event stamp: 0<4>[   39.460153] Code: 00 00 18 7e a5 c1 58 b2 ff ff c0 66 84 90 ff ff ff ff 20 00 00 00 00 00 00 00 b6 a8 a1 91 ff ff ff ff ec 67 84 90 ff ff ff ff <0f> 1f 44 00 00 e9 76 60 a8 00 66 0f 1f 44 00 00 0f 1f 44 00 00 55

 4093 21:35:41.806302  

 4094 21:35:41.811297  # [   38.872794] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 4095 21:35:41.820378  # [   38.879312] hardirqs last disabled at (0): [<ffffffff8f6fddac>] copy_process+0x65c/0x20e0

 4096 21:35:41.832323  # [   38.887735] softirqs last  enabled at (0): [<ffffffff8f6fddac>] copy_process+0x<4>[   39.501336] RSP: 0018:ffffb258c1a57df8 EFLAGS: 00010246

 4097 21:35:41.834022  65<c/0x20e0

 4098 21:35:41.839861  # [   38.896156] softirqs last disabled at (0): [<0000000000000000>] 0x0

 4099 21:35:41.848623  # [   38.902674] CPU: 1 PID: 1560 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 4100 21:35:41.854436  # [   38.910663] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 4101 21:35:41.862594  # [   38.4>[   39.528998] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000

 4102 21:35:41.864335  91<6830] Call Trace:

 4103 21:35:41.867446  # [   38.919537]  dump_stack+0x77/0x9b

 4104 21:35:41.871633  # [   38.923109]  ___might_sleep.cold+0xa6/0xb6

 4105 21:35:41.876028  # [   38.927461]  exit_signals+0x1c/0x300

 4106 21:35:41.878853  # [   38.931292]  do_exit+0xc2/0xab0

 4107 21:35:41.883253  # [   38.934688]  ? ksys_write+0x68/0xf0

 4108 21:35:41.891826  # [   38.938433]  make_4>[   39.558569] RDX: 0000000000000000 RSI: ffff91a2ead1bf50 RDI: ffff91a2ead1bf50

 4109 21:35:41.899731  <4>[   39.588139] RBP: ffffb258c1a57e18 R08: 0000000000000000 R09: 0000000000000000

 4110 21:35:41.901670  task_dead+0x2f/0x30

 4111 21:35:41.905645  # [   38.942352]  rewind_stack_and_make_dead+0x17/0x20

 4112 21:35:41.910008  # [   38.947319] RIP: 0033:0x7fac6a95a473

 4113 21:35:41.928702  # [   38.951149] 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<4>[   39.595521] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b

 4114 21:35:41.937061   0<0 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 4115 21:35:41.944676  # [   38.970144] RSP: 002b:00007ffdeff565b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4116 21:35:41.951223  # [   38.977962] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fac6a95a473

 4117 21:35:41.958567  #4>[   39.625087] R13: ffffb258c1a57f10 R14: ffffb258c1a57f10 R15: ffff91a2c2fd3000

 4118 21:35:41.966032   [   38.985357] RDX: 000000000000000a RSI: 00007fac6a84e000 RDI: 0000000000000001

 4119 21:35:41.973381  # [   38.992738] RBP: 00007fac6a84e000 R08: 00007fac6a84d010 R09: 0000000000000000

 4120 21:35:41.980472  # [   39.000121] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4121 21:35:41.989615  # [  <4>[   39.654660] FS:  00007f945387e580(0000) GS:ffff91a2ead00000(0000) knlGS:0000000000000000

 4122 21:35:41.996077   3<9.007503] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4123 21:35:42.000946  # EXEC_DATA: saw 'call trace:': ok

 4124 21:35:42.002487  ok 30 selftests: lkdtm: EXEC_DATA.sh

 4125 21:35:42.005175  # selftests: lkdtm: EXEC_STACK.sh

 4126 21:35:42.011174  4>[   39.685182] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4127 21:35:42.018459  <4>[   39.707474] CR2: ffffb258c1a57e18 CR3: 00000001046f4000 CR4: 00000000001506e0

 4128 21:35:42.021667  <4>[   39.714856] Call Trace:

 4129 21:35:42.025867  <4>[   39.717571]  ? __die_body.cold+0x1a/0x1f

 4130 21:35:42.029955  <4>[   39.721752]  ? no_context+0x177/0x380

 4131 21:35:42.033243  <4>[   39.725675]  ? exc_page_fault+0xd7/0x170

 4132 21:35:42.037621  <4>[   39.729854]  ? asm_exc_page_fault+0x1e/0x30

 4133 21:35:42.042558  <4>[   39.734300]  ? execute_location+0x48/0x56

 4134 21:35:42.046901  <4>[   39.738564]  ? lkdtm_EXEC_STACK+0x26/0x44

 4135 21:35:42.050941  <4>[   39.742830]  ? direct_entry.cold+0x2c/0x38

 4136 21:35:42.055256  <4>[   39.747186]  ? full_proxy_write+0x56/0x80

 4137 21:35:42.060720  <4>[   39.751455]  ? vfs_write+0xea/0x3b0

 4138 21:35:42.062341  <4>[   39.755200]  ? ksys_write+0x68/0xf0

 4139 21:35:42.066558  <4>[   39.758945]  ? do_syscall_64+0x33/0x40

 4140 21:35:42.071961  <4>[   39.762950]  ? entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4141 21:35:42.112095  <4>[   39.768431] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 cros_ec_dev videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify chromeos_pstore snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table

 4142 21:35:42.115609  <4>[   39.808358] CR2: ffffb258c1a57e18

 4143 21:35:42.120807  <4>[   39.811930] ---[ end trace 0e3e908715a0f2f7 ]---

 4144 21:35:42.125271  <4>[   39.816803] RIP: 0010:lkdtm_BUG+0x5/0x10

 4145 21:35:42.145597  <4>[   39.820982] Code: 89 ff e8 4e c3 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 59 64 a8 00 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

 4146 21:35:42.149237  <4>[   39.839980] RSP: 0018:ffffb258c0c27e60 EFLAGS: 00010286

 4147 21:35:42.156778  <4>[   39.845459] RAX: ffffffff9017e5f0 RBX: 0000000000000001 RCX: 0000000000000000

 4148 21:35:42.164004  <4>[   39.852841] RDX: 0000000000000000 RSI: ffff91a2ead1bf50 RDI: ffffffff915942b0

 4149 21:35:42.172322  <4>[   39.860225] RBP: ffffffff91a7f050 R08: 0000000000000001 R09: 0000000000000001

 4150 21:35:42.179386  <4>[   39.867607] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4151 21:35:42.186272  <4>[   39.874993] R13: ffffb258c0c27f10 R14: ffffb258c0c27f10 R15: ffff91a2c3b54000

 4152 21:35:42.194148  <4>[   39.882377] FS:  00007f945387e580(0000) GS:ffff91a2ead00000(0000) knlGS:0000000000000000

 4153 21:35:42.200561  <4>[   39.890716] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4154 21:35:42.208163  <4>[   39.896712] CR2: ffffb258c1a57e18 CR3: 00000001046f4000 CR4: 00000000001506e0

 4155 21:35:42.218236  <3>[   39.904099] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 4156 21:35:42.225331  <3>[   39.913216] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1597, name: cat

 4157 21:35:42.229551  <4>[   39.921036] INFO: lockdep is turned off.

 4158 21:35:42.232292  <4>[   39.925212] irq event stamp: 0

 4159 21:35:42.239720  <4>[   39.928523] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 4160 21:35:42.248258  <4>[   39.935044] hardirqs last disabled at (0): [<ffffffff8f6fddac>] copy_process+0x65c/0x20e0

 4161 21:35:42.255719  <4>[   39.943470] softirqs last  enabled at (0): [<ffffffff8f6fddac>] copy_process+0x65c/0x20e0

 4162 21:35:42.262210  <4>[   39.951894] softirqs last disabled at (0): [<0000000000000000>] 0x0

 4163 21:35:42.270150  <4>[   39.958412] CPU: 1 PID: 1597 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 4164 21:35:42.276725  <4>[   39.966402] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 4165 21:35:42.279181  <4>[   39.972571] Call Trace:

 4166 21:35:42.282558  <4>[   39.975279]  dump_stack+0x77/0x9b

 4167 21:35:42.287919  <4>[   39.978853]  ___might_sleep.cold+0xa6/0xb6

 4168 21:35:42.290691  <4>[   39.983209]  exit_signals+0x1c/0x300

 4169 21:35:42.294937  <4>[   39.987041]  do_exit+0xc2/0xab0

 4170 21:35:42.298280  <4>[   39.990440]  ? ksys_write+0x68/0xf0

 4171 21:35:42.301920  <4>[   39.994187]  make_task_dead+0x2f/0x30

 4172 21:35:42.306990  <4>[   39.998108]  rewind_stack_and_make_dead+0x17/0x20

 4173 21:35:42.310757  <4>[   40.003067] RIP: 0033:0x7f945375a473

 4174 21:35:42.329400  <4>[   40.006900] 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

 4175 21:35:42.337700  <4>[   40.025897] RSP: 002b:00007fff4fbb9238 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4176 21:35:42.344895  <4>[   40.033718] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f945375a473

 4177 21:35:42.353266  <4>[   40.041100] RDX: 000000000000000b RSI: 00007f945364e000 RDI: 0000000000000001

 4178 21:35:42.359990  <4>[   40.048485] RBP: 00007f945364e000 R08: 00007f945364d010 R09: 0000000000000000

 4179 21:35:42.366544  <4>[   40.055867] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4180 21:35:42.374110  <4>[   40.063252] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4181 21:35:42.542660  <6>[   40.233509] lkdtm: Performing direct entry EXEC_KMALLOC

 4182 21:35:42.543866  # Killed

 4183 21:35:42.549135  # [   39.155374] lkdtm: Performing direct entry EXEC_STACK

 4184 21:35:42.555597  # [   39.168892] lkdtm: attempting ok execution at ffffffff9017e9c0

 4185 21:35:42.562180  # [   39.197178] lkdtm: attempting bad execution at ffffb258c1a57e18

 4186 21:35:42.570727  # [   39.225523] kernel tried to execute NX-pro<6>[   40.238999] lkdtm: attempting ok execution at ffffffff9017e9c0

 4187 21:35:42.575174  tected page - exploit attempt? (uid: 0)

 4188 21:35:42.581723  # [   39.255408] BUG: unable to handle page fault for address: ffffb258c1a57e18

 4189 21:35:42.587383  # [   39.284714] #PF: supervisor instruction fetch in kernel mode

 4190 21:35:42.593773  # [   39.312811] #PF: error_code(0x0011) - permissions violation

 4191 21:35:42.599334  #<6>[   40.267285] lkdtm: attempting bad execution at ffff91a2c30f6000

 4192 21:35:42.607132   [   39.318634] PGD 100000067 P4D 100000067 PUD 10023b067 PMD 102fdb067 PTE 80000001030f2163

 4193 21:35:42.611231  # [   39.349154] Oops: 0011 [#6] SMP NOPTI

 4194 21:35:42.620152  # [   39.375259] CPU: 1 PID: 1597 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 4195 21:35:42.629751  # [   39.405431] Hardware n<2>[   40.295696] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)

 4196 21:35:42.634036  ame: Google Grunt/Grunt, BIOS  09/05/2019

 4197 21:35:42.637359  # [   39.433793] RIP: 0010:0xffffb258c1a57e18

 4198 21:35:42.658729  # [   39.460153] Code: 00 00 18 7e a5 c1 58 b2 ff ff c0 66 84 90 ff ff ff ff 20 00 00 00 00 00 00 00 b6 a8 a1 91 ff ff ff ff ec 67 84 90 ff ff ff ff <0f> 1f 44 00 00 <1>[   40.325538] BUG: unable to handle page fault for address: ffff91a2c30f6000

 4199 21:35:42.663435  e9< 76 60 a8 00 66 0f 1f 44 00 00 0f 1f 44 00 00 55

 4200 21:35:42.668818  # [   39.501336] RSP: 0018:ffffb258c1a57df8 EFLAGS: 00010246

 4201 21:35:42.675913  # [   39.528998] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000

 4202 21:35:42.686563  # [   39.558569] RDX: 0000000000000000 RSI: ffff91a2ead1bf1>[   40.354849] #PF: supervisor instruction fetch in kernel mode

 4203 21:35:42.692439  <1>[   40.382944] #PF: error_code(0x0011) - permissions violation

 4204 21:35:42.694695  50 RDI: ffff91a2ead1bf50

 4205 21:35:42.701904  # [   39.588139] RBP: ffffb258c1a57e18 R08: 0000000000000000 R09: 0000000000000000

 4206 21:35:42.709434  # [   39.595521] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b

 4207 21:35:42.722344  # [   39.625087] R13: ffffb258c1a57f10 R14: ffffb258c1a57f10 R<6>[   40.388768] PGD 1c401067 P4D 1c401067 PUD 1c405067 PMD 80000001030001e3 

 4208 21:35:42.723600  15: ffff91a2c2fd3000

 4209 21:35:42.732323  # [   39.654660] FS:  00007f945387e580(0000) GS:ffff91a2ead00000(0000) knlGS:0000000000000000

 4210 21:35:42.737736  # [   39.685182] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4211 21:35:42.747373  # [   39.707474] CR2: ffffb258c1a57e18 CR3: 00000001046f4000 CR4: 00000<4>[   40.417900] Oops: 0011 [#7] SMP NOPTI

 4212 21:35:42.749757  000001506e0

 4213 21:35:42.752135  # [   39.714856] Call Trace:

 4214 21:35:42.756424  # [   39.717571]  ? __die_body.cold+0x1a/0x1f

 4215 21:35:42.759336  # [   39.721752]  ? no_context+0x177/0x380

 4216 21:35:42.764263  # [   39.725675]  ? exc_page_fault+0xd7/0x170

 4217 21:35:42.767457  # [   39.729854]  ? asm_exc_page_fault+0x1e/0x30

 4218 21:35:42.777932  # [   39.734300]  ? execu<4>[   40.444005] CPU: 1 PID: 1634 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 4219 21:35:42.784125  <4>[   40.474178] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 4220 21:35:42.787026  te_location+0x48/0x56

 4221 21:35:42.790415  # [   39.738564]  ? lkdtm_EXEC_STACK+0x26/0x44

 4222 21:35:42.794642  # [   39.742830]  ? direct_entry.cold+0x2c/0x38

 4223 21:35:42.799370  # [   39.747186]  ? full_proxy_write+0x56/0x80

 4224 21:35:42.803437  # [   39.751455]  ? vfs_write+0xea/0x3b0

 4225 21:35:42.805989  # [   39.755200]  ? ksys_write+0x68/0xf0

 4226 21:35:42.809995  # [ <4>[   40.480350] RIP: 0010:0xffff91a2c30f6000

 4227 21:35:42.815539    39.758945]  ? do_syscall_64+0x33/0x40

 4228 21:35:42.820520  # [   39.762950]  ? entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4229 21:35:42.851734  # [   39.768431] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger gs<4>[   40.506708] Code: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 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 e9 76 60 a8 00 66 0f 1f 44 00 00 0f 1f 44 00 00 55

 4230 21:35:42.879128  mi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 cros_ec_dev videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify chromeos_pstore snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma snd_soc_core snd_comp<4>[   40.547891] RSP: 0018:ffffb258c1ae7e38 EFLAGS: 00010246

 4231 21:35:42.884215  re<ss snd_pcm_dmaengine regmap_i2c coreboot_table

 4232 21:35:42.888675  # [   39.808358] CR2: ffffb258c1a57e18

 4233 21:35:42.892530  # [   39.811930] ---[ end trace 0e3e908715a0f2f7 ]---

 4234 21:35:42.896257  # [   39.816803] RIP: 0010:lkdtm_BUG+0x5/0x10

 4235 21:35:42.908998  # [   39.820982] Code: 89 ff e8 4e c3 79 ff 48 c7 c0 ea ff ff ff4>[   40.575556] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000

 4236 21:35:42.922263   e<b de 48 c7 c0 ea ff ff ff e9 59 64 a8 00 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

 4237 21:35:42.928714  # [   39.839980] RSP: 0018:ffffb258c0c27e60 EFLAGS: 00010286

 4238 21:35:42.938270  # [   39.845459] RAX: ffffffff9017e5f0 R4>[   40.605126] RDX: 0000000000000000 RSI: ffff91a2ead1bf50 RDI: ffff91a2ead1bf50

 4239 21:35:42.942219  BX<: 0000000000000001 RCX: 0000000000000000

 4240 21:35:42.949948  # [   39.852841] RDX: 0000000000000000 RSI: ffff91a2ead1bf50 RDI: ffffffff915942b0

 4241 21:35:42.956695  # [   39.860225] RBP: ffffffff91a7f050 R08: 0000000000000001 R09: 0000000000000001

 4242 21:35:42.968031  # [   39.867607] R10: 00000000ffffe000 R11: 4>[   40.634697] RBP: ffff91a2c30f6000 R08: 0000000000000000 R09: 0000000000000000

 4243 21:35:42.971532  3f<ffffffffffffff R12: 0000000000000004

 4244 21:35:42.978901  # [   39.874993] R13: ffffb258c0c27f10 R14: ffffb258c0c27f10 R15: ffff91a2c3b54000

 4245 21:35:42.986759  # [   39.882377] FS:  00007f945387e580(0000) GS:ffff91a2ead00000(0000) knlGS:0000000000000000

 4246 21:35:42.998912  # [   39.890716] CS:  0010 DS: 0000 E4>[   40.664268] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d

 4247 21:35:43.000526  S: 0000 CR0: 0000000080050033

 4248 21:35:43.007302  # [   39.896712] CR2: ffffb258c1a57e18 CR3: 00000001046f4000 CR4: 00000000001506e0

 4249 21:35:43.017376  # [   39.904099] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 4250 21:35:43.028092  # [   39.913216] in_atomic(): 0, irqs<4>[   40.693841] R13: ffffb258c1ae7f10 R14: ffffb258c1ae7f10 R15: ffff91a2c46fd000

 4251 21:35:43.031631  _disabled(): 1, non_block: 0, pid: 1597, name: cat

 4252 21:35:43.035766  # [   39.921036] INFO: lockdep is turned off.

 4253 21:35:43.039379  # [   39.925212] irq event stamp: 0

 4254 21:35:43.045006  # [   39.928523] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 4255 21:35:43.058765  # [   39.935044] hardirqs last disabled at (0)<4>[   40.723411] FS:  00007f05b93fd3c0(0000) GS:ffff91a2ead00000(0000) knlGS:0000000000000000

 4256 21:35:43.062210  : <[<ffffffff8f6fddac>] copy_process+0x65c/0x20e0

 4257 21:35:43.070697  # [   39.943470] softirqs last  enabled at (0): [<ffffffff8f6fddac>] copy_process+0x65c/0x20e0

 4258 21:35:43.077650  # [   39.951894] softirqs last disabled at (0): [<0000000000000000>] 0x0

 4259 21:35:43.085918  # [   39.958412] CPU: 1 PID: 1597 Co4>[   40.753933] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4260 21:35:43.090873  mm<: cat Tainted: G      D W         5.10.212-cip44 #1

 4261 21:35:43.096458  # [   39.966402] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 4262 21:35:43.100562  # [   39.972571] Call Trace:

 4263 21:35:43.102982  # [   39.975279]  dump_stack+0x77/0x9b

 4264 21:35:43.107465  # [   39.978853]  ___might_sleep.cold+0xa6/0xb6

 4265 21:35:43.115555  # [   39.9834>[   40.782117] CR2: ffff91a2c30f6000 CR3: 0000000102e1e000 CR4: 00000000001506e0

 4266 21:35:43.118233  20<9]  exit_signals+0x1c/0x300

 4267 21:35:43.121456  # [   39.987041]  do_exit+0xc2/0xab0

 4268 21:35:43.125251  # [   39.990440]  ? ksys_write+0x68/0xf0

 4269 21:35:43.129384  # [   39.994187]  make_task_dead+0x2f/0x30

 4270 21:35:43.135071  # [   39.998108]  rewind_stack_and_make_dead+0x17/0x20

 4271 21:35:43.137194  # [   40.003067] RIP: 0033:0x7f945375a473

 4272 21:35:43.140041  # 4>[   40.811688] Call Trace:

 4273 21:35:43.158926  [   40.006900] 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

 4274 21:35:43.166891  # [   40.025897] RSP: 002b:00007fff4fbb9<4>[   40.836589]  ? __die_body.cold+0x1a/0x1f

 4275 21:35:43.171398  238 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4276 21:35:43.180385  # [   40.033718] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f945375a473

 4277 21:35:43.185628  # [   40.041100] RDX: 000000000000000b RSI: 00007f945364e000 RDI: 0000000000000001

 4278 21:35:43.192970  # [   40.048485] RBP: 00007f945364e000 <4>[   40.862948]  ? no_context+0x177/0x380

 4279 21:35:43.196328  R08: 00007f945364d010 R09: 0000000000000000

 4280 21:35:43.204475  # [   40.055867] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4281 21:35:43.211979  # [   40.063252] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4282 21:35:43.214968  # EXEC_STACK: saw 'call trace:': ok

 4283 21:35:43.219208  ok 31 <4>[   40.889052]  ? exc_page_fault+0xd7/0x170

 4284 21:35:43.222319  selftests: lkdtm: EXEC_STACK.sh

 4285 21:35:43.225093  # selftests: lkdtm: EXEC_KMALLOC.sh

 4286 21:35:43.229632  <4>[   40.915413]  ? asm_exc_page_fault+0x1e/0x30

 4287 21:35:43.234142  <4>[   40.925923]  ? execute_location+0x48/0x56

 4288 21:35:43.238401  <4>[   40.930190]  ? lkdtm_EXEC_KMALLOC+0x2c/0x40

 4289 21:35:43.242562  <4>[   40.934627]  ? direct_entry.cold+0x2c/0x38

 4290 21:35:43.246854  <4>[   40.938983]  ? full_proxy_write+0x56/0x80

 4291 21:35:43.250908  <4>[   40.943249]  ? vfs_write+0xea/0x3b0

 4292 21:35:43.254340  <4>[   40.946994]  ? ksys_write+0x68/0xf0

 4293 21:35:43.258880  <4>[   40.950741]  ? do_syscall_64+0x33/0x40

 4294 21:35:43.264199  <4>[   40.954748]  ? entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4295 21:35:43.304039  <4>[   40.960230] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 cros_ec_dev videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify chromeos_pstore snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table

 4296 21:35:43.308170  <4>[   41.000156] CR2: ffff91a2c30f6000

 4297 21:35:43.312171  <4>[   41.003728] ---[ end trace 0e3e908715a0f2f8 ]---

 4298 21:35:43.316475  <4>[   41.008600] RIP: 0010:lkdtm_BUG+0x5/0x10

 4299 21:35:43.335548  <4>[   41.012779] Code: 89 ff e8 4e c3 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 59 64 a8 00 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

 4300 21:35:43.341100  <4>[   41.031776] RSP: 0018:ffffb258c0c27e60 EFLAGS: 00010286

 4301 21:35:43.348579  <4>[   41.037257] RAX: ffffffff9017e5f0 RBX: 0000000000000001 RCX: 0000000000000000

 4302 21:35:43.355701  <4>[   41.044639] RDX: 0000000000000000 RSI: ffff91a2ead1bf50 RDI: ffffffff915942b0

 4303 21:35:43.362884  <4>[   41.052024] RBP: ffffffff91a7f050 R08: 0000000000000001 R09: 0000000000000001

 4304 21:35:43.370702  <4>[   41.059407] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4305 21:35:43.377914  <4>[   41.066791] R13: ffffb258c0c27f10 R14: ffffb258c0c27f10 R15: ffff91a2c3b54000

 4306 21:35:43.386299  <4>[   41.074175] FS:  00007f05b93fd3c0(0000) GS:ffff91a2ead00000(0000) knlGS:0000000000000000

 4307 21:35:43.391971  <4>[   41.082511] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4308 21:35:43.399164  <4>[   41.088507] CR2: ffff91a2c30f6000 CR3: 0000000102e1e000 CR4: 00000000001506e0

 4309 21:35:43.409028  <3>[   41.095896] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 4310 21:35:43.416277  <3>[   41.105013] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1634, name: cat

 4311 21:35:43.420756  <4>[   41.112831] INFO: lockdep is turned off.

 4312 21:35:43.424491  <4>[   41.117007] irq event stamp: 0

 4313 21:35:43.430533  <4>[   41.120318] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 4314 21:35:43.438760  <4>[   41.126838] hardirqs last disabled at (0): [<ffffffff8f6fddac>] copy_process+0x65c/0x20e0

 4315 21:35:43.447642  <4>[   41.135263] softirqs last  enabled at (0): [<ffffffff8f6fddac>] copy_process+0x65c/0x20e0

 4316 21:35:43.453735  <4>[   41.143688] softirqs last disabled at (0): [<0000000000000000>] 0x0

 4317 21:35:43.462739  <4>[   41.150208] CPU: 1 PID: 1634 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 4318 21:35:43.468770  <4>[   41.158199] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 4319 21:35:43.470856  <4>[   41.164369] Call Trace:

 4320 21:35:43.474015  <4>[   41.167077]  dump_stack+0x77/0x9b

 4321 21:35:43.478770  <4>[   41.170653]  ___might_sleep.cold+0xa6/0xb6

 4322 21:35:43.482527  <4>[   41.175006]  exit_signals+0x1c/0x300

 4323 21:35:43.486654  <4>[   41.178839]  do_exit+0xc2/0xab0

 4324 21:35:43.489546  <4>[   41.182240]  ? ksys_write+0x68/0xf0

 4325 21:35:43.494020  <4>[   41.185984]  make_task_dead+0x2f/0x30

 4326 21:35:43.498356  <4>[   41.189906]  rewind_stack_and_make_dead+0x17/0x20

 4327 21:35:43.504001  <4>[   41.194864] RIP: 0033:0x7f05b92da473

 4328 21:35:43.522306  <4>[   41.198695] 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

 4329 21:35:43.530027  <4>[   41.217694] RSP: 002b:00007ffea28ae558 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4330 21:35:43.537232  <4>[   41.225513] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f05b92da473

 4331 21:35:43.545048  <4>[   41.232895] RDX: 000000000000000d RSI: 00007f05b91ce000 RDI: 0000000000000001

 4332 21:35:43.552292  <4>[   41.240280] RBP: 00007f05b91ce000 R08: 00007f05b91cd010 R09: 0000000000000000

 4333 21:35:43.559168  <4>[   41.247662] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4334 21:35:43.565769  <4>[   41.255048] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4335 21:35:43.780659  <6>[   41.470699] lkdtm: Performing direct entry EXEC_VMALLOC

 4336 21:35:43.780809  # Killed

 4337 21:35:43.787014  # [   40.233509] lkdtm: Performing direct entry EXEC_KMALLOC

 4338 21:35:43.792162  # [   40.238999] lkdtm: attempting ok execution at ffffffff9017e9c0

 4339 21:35:43.798981  # [   40.267285] lkdtm: attempting bad execution at ffff91a2c30f6000

 4340 21:35:43.808007  # [   40.295696] kernel tried to execute NX-p<6>[   41.476268] lkdtm: attempting ok execution at ffffffff9017e9c0

 4341 21:35:43.812362  rotected page - exploit attempt? (uid: 0)

 4342 21:35:43.818954  # [   40.325538] BUG: unable to handle page fault for address: ffff91a2c30f6000

 4343 21:35:43.825171  # [   40.354849] #PF: supervisor instruction fetch in kernel mode

 4344 21:35:43.830585  # [   40.382944] #PF: error_code(0x0011) - permissions violation

 4345 21:35:43.836340  <6>[   41.504558] lkdtm: attempting bad execution at ffffb258c0785000

 4346 21:35:43.837140  

 4347 21:35:43.844209  # [   40.388768] PGD 1c401067 P4D 1c401067 PUD 1c405067 PMD 80000001030001e3 

 4348 21:35:43.847508  # [   40.417900] Oops: 0011 [#7] SMP NOPTI

 4349 21:35:43.855912  # [   40.444005] CPU: 1 PID: 1634 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 4350 21:35:43.866597  # [   40.474178] Hardware name: Google Gr<2>[   41.532919] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)

 4351 21:35:43.873207  <1>[   41.562771] BUG: unable to handle page fault for address: ffffb258c0785000

 4352 21:35:43.880019  <1>[   41.569894] #PF: supervisor instruction fetch in kernel mode

 4353 21:35:43.885197  <1>[   41.575803] #PF: error_code(0x0011) - permissions violation

 4354 21:35:43.894537  <6>[   41.581626] PGD 100000067 P4D 100000067 PUD 10023b067 PMD 1050d1067 PTE 8000000106605163

 4355 21:35:43.897970  <4>[   41.589969] Oops: 0011 [#8] SMP NOPTI

 4356 21:35:43.905343  <4>[   41.593888] CPU: 0 PID: 1671 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 4357 21:35:43.911593  <4>[   41.601877] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 4358 21:35:43.915707  <4>[   41.608050] RIP: 0010:0xffffb258c0785000

 4359 21:35:43.922991  <4>[   41.612228] Code: Unable to access opcode bytes at RIP 0xffffb258c0784fd6.

 4360 21:35:43.928499  <4>[   41.619349] RSP: 0018:ffffb258c1b6fe38 EFLAGS: 00010246

 4361 21:35:43.936273  <4>[   41.624827] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000

 4362 21:35:43.943207  <4>[   41.632209] RDX: 0000000000000000 RSI: ffff91a2eac1bf50 RDI: ffff91a2eac1bf50

 4363 21:35:43.950546  <4>[   41.639591] RBP: ffffb258c0785000 R08: 0000000000000000 R09: 0000000000000000

 4364 21:35:43.957929  <4>[   41.646973] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d

 4365 21:35:43.965674  <4>[   41.654354] R13: ffffb258c1b6ff10 R14: ffffb258c1b6ff10 R15: ffff91a2c6605000

 4366 21:35:43.973630  <4>[   41.661755] FS:  00007f68d66d0580(0000) GS:ffff91a2eac00000(0000) knlGS:0000000000000000

 4367 21:35:43.979627  <4>[   41.670090] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4368 21:35:43.987278  <4>[   41.676086] CR2: ffffb258c0784fd6 CR3: 0000000103d68000 CR4: 00000000001506f0

 4369 21:35:43.990051  <4>[   41.683468] Call Trace:

 4370 21:35:43.993674  <4>[   41.686177]  ? __die_body.cold+0x1a/0x1f

 4371 21:35:43.997900  <4>[   41.690358]  ? no_context+0x177/0x380

 4372 21:35:44.001957  <4>[   41.694280]  ? exc_page_fault+0xd7/0x170

 4373 21:35:44.006375  <4>[   41.698463]  ? asm_exc_page_fault+0x1e/0x30

 4374 21:35:44.011673  <4>[   41.702906]  ? execute_location+0x48/0x56

 4375 21:35:44.016616  <4>[   41.707170]  ? lkdtm_EXEC_VMALLOC+0x20/0x30

 4376 21:35:44.019836  <4>[   41.711608]  ? direct_entry.cold+0x2c/0x38

 4377 21:35:44.023801  <4>[   41.715962]  ? full_proxy_write+0x56/0x80

 4378 21:35:44.028182  <4>[   41.720227]  ? vfs_write+0xea/0x3b0

 4379 21:35:44.031471  <4>[   41.723973]  ? ksys_write+0x68/0xf0

 4380 21:35:44.035876  <4>[   41.727718]  ? do_syscall_64+0x33/0x40

 4381 21:35:44.040421  <4>[   41.731723]  ? entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4382 21:35:44.080832  <4>[   41.737203] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 cros_ec_dev videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify chromeos_pstore snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table

 4383 21:35:44.084854  <4>[   41.777125] CR2: ffffb258c0785000

 4384 21:35:44.089543  <4>[   41.780696] ---[ end trace 0e3e908715a0f2f9 ]---

 4385 21:35:44.094678  <4>[   41.785568] RIP: 0010:lkdtm_BUG+0x5/0x10

 4386 21:35:44.113099  <4>[   41.789746] Code: 89 ff e8 4e c3 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 59 64 a8 00 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

 4387 21:35:44.117893  <4>[   41.808742] RSP: 0018:ffffb258c0c27e60 EFLAGS: 00010286

 4388 21:35:44.126954  <4>[   41.814220] RAX: ffffffff9017e5f0 RBX: 0000000000000001 RCX: 0000000000000000

 4389 21:35:44.132668  <4>[   41.821602] RDX: 0000000000000000 RSI: ffff91a2ead1bf50 RDI: ffffffff915942b0

 4390 21:35:44.140498  <4>[   41.828984] RBP: ffffffff91a7f050 R08: 0000000000000001 R09: 0000000000000001

 4391 21:35:44.147711  <4>[   41.836368] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4392 21:35:44.156393  <4>[   41.843751] R13: ffffb258c0c27f10 R14: ffffb258c0c27f10 R15: ffff91a2c3b54000

 4393 21:35:44.162843  <4>[   41.851135] FS:  00007f68d66d0580(0000) GS:ffff91a2eac00000(0000) knlGS:0000000000000000

 4394 21:35:44.169565  <4>[   41.859471] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4395 21:35:44.176561  <4>[   41.865467] CR2: ffffb258c0784fd6 CR3: 0000000103d68000 CR4: 00000000001506f0

 4396 21:35:44.179075  unt/Grunt, BIOS  09/05/2019

 4397 21:35:44.184299  # [   40.480350] RIP: 0010:0xffff91a2c30f6000

 4398 21:35:44.202115  # [   40.506708] Code: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 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 e9 76 60 a8 00 66 0f 1f 44 00 00 0f 1f 44 00 00 55

 4399 21:35:44.207520  # [   40.547891] RSP: 0018:ffffb258c1ae7e38 EFLAGS: 00010246

 4400 21:35:44.214219  # [   40.575556] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000

 4401 21:35:44.223012  # [   40.605126] RDX: 0000000000000000 RSI: ffff91a2ead1bf50 RDI: ffff91a2ead1bf50

 4402 21:35:44.229691  # [   40.634697] RBP: ffff91a2c30f6000 R08: 0000000000000000 R09: 0000000000000000

 4403 21:35:44.236724  # [   40.664268] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d

 4404 21:35:44.243665  # [   40.693841] R13: ffffb258c1ae7f10 R14: ffffb258c1ae7f10 R15: ffff91a2c46fd000

 4405 21:35:44.252089  # [   40.723411] FS:  00007f05b93fd3c0(0000) GS:ffff91a2ead00000(0000) knlGS:0000000000000000

 4406 21:35:44.258162  # [   40.753933] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4407 21:35:44.265427  # [   40.782117] CR2: ffff91a2c30f6000 CR3: 0000000102e1e000 CR4: 00000000001506e0

 4408 21:35:44.267910  # [   40.811688] Call Trace:

 4409 21:35:44.271964  # [   40.836589]  ? __die_body.cold+0x1a/0x1f

 4410 21:35:44.276811  # [   40.862948]  ? no_context+0x177/0x380

 4411 21:35:44.280074  # [   40.889052]  ? exc_page_fault+0xd7/0x170

 4412 21:35:44.284738  # [   40.915413]  ? asm_exc_page_fault+0x1e/0x30

 4413 21:35:44.288094  # [   40.925923]  ? execute_location+0x48/0x56

 4414 21:35:44.292532  # [   40.930190]  ? lkdtm_EXEC_KMALLOC+0x2c/0x40

 4415 21:35:44.297290  # [   40.934627]  ? direct_entry.cold+0x2c/0x38

 4416 21:35:44.300971  # [   40.938983]  ? full_proxy_write+0x56/0x80

 4417 21:35:44.305064  # [   40.943249]  ? vfs_write+0xea/0x3b0

 4418 21:35:44.308259  # [   40.946994]  ? ksys_write+0x68/0xf0

 4419 21:35:44.312021  # [   40.950741]  ? do_syscall_64+0x33/0x40

 4420 21:35:44.317431  # [   40.954748]  ? entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4421 21:35:44.337301  # [   40.960230] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger gsmi uvcvideo <6>[   42.027134] lkdtm: Performing direct entry EXEC_RODATA

 4422 21:35:44.365480  videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 cros_ec_dev videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify chromeos_pstore snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma snd_soc_core snd_compress snd_pcm<6>[   42.033639] lkdtm: attempting ok execution at ffffffff9017e9c0

 4423 21:35:44.369299  _dmaengine regmap_i2c coreboot_table

 4424 21:35:44.372140  # [   41.000156] CR2: ffff91a2c30f6000

 4425 21:35:44.378200  # [   41.003728] ---[ end trace 0e3e908715a0f2f8 ]---

 4426 21:35:44.381210  # [   41.008600] RIP: 0010:lkdtm_BUG+0x5/0x10

 4427 21:35:44.393573  # [   41.012779] Code: 89 ff e8 4e c3 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7<6>[   42.061954] lkdtm: attempting bad execution at ffffffff91594740

 4428 21:35:44.406005   c0 ea ff ff ff e9 59 64 a8 00 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

 4429 21:35:44.411307  # [   41.031776] RSP: 0018:ffffb258c0c27e60 EFLAGS: 00010286

 4430 21:35:44.423694  # [   41.037257] RAX: ffffffff9017e5f0 RBX: 00000000<2>[   42.090312] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)

 4431 21:35:44.431058  <1>[   42.120163] BUG: unable to handle page fault for address: ffffffff91594740

 4432 21:35:44.437010  <1>[   42.127287] #PF: supervisor instruction fetch in kernel mode

 4433 21:35:44.442459  <1>[   42.133197] #PF: error_code(0x0011) - permissions violation

 4434 21:35:44.449524  <6>[   42.139020] PGD 1aa29067 P4D 1aa29067 PUD 1aa2a063 PMD 800000001a2001e1 

 4435 21:35:44.453345  <4>[   42.145975] Oops: 0011 [#9] SMP NOPTI

 4436 21:35:44.461976  <4>[   42.149894] CPU: 0 PID: 1708 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 4437 21:35:44.468754  <4>[   42.157884] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 4438 21:35:44.473268  <4>[   42.164061] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10

 4439 21:35:44.492167  <4>[   42.169453] Code: ff ff 5c 7c 84 90 ff ff ff ff 02 ab a1 91 ff ff ff ff a2 63 84 90 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

 4440 21:35:44.498391  <4>[   42.188451] RSP: 0018:ffffb258c1bdfe48 EFLAGS: 00010246

 4441 21:35:44.505566  <4>[   42.193929] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000

 4442 21:35:44.512793  <4>[   42.201313] RDX: 0000000000000000 RSI: ffff91a2eac1bf50 RDI: ffff91a2eac1bf50

 4443 21:35:44.519545  <4>[   42.208697] RBP: ffffffff91594740 R08: 0000000000000000 R09: 0000000000000000

 4444 21:35:44.527175  <4>[   42.216079] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c

 4445 21:35:44.534744  <4>[   42.223464] R13: ffffb258c1bdff10 R14: ffffb258c1bdff10 R15: ffff91a2c2fa7000

 4446 21:35:44.543473  <4>[   42.230849] FS:  00007f8bf68553c0(0000) GS:ffff91a2eac00000(0000) knlGS:0000000000000000

 4447 21:35:44.548638  <4>[   42.239184] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4448 21:35:44.556545  <4>[   42.245179] CR2: ffffffff91594740 CR3: 000000010368e000 CR4: 00000000001506f0

 4449 21:35:44.559526  <4>[   42.252561] Call Trace:

 4450 21:35:44.563179  <4>[   42.255270]  ? __die_body.cold+0x1a/0x1f

 4451 21:35:44.567379  <4>[   42.259451]  ? no_context+0x177/0x380

 4452 21:35:44.571486  <4>[   42.263372]  ? exc_page_fault+0xd7/0x170

 4453 21:35:44.575583  <4>[   42.267552]  ? asm_exc_page_fault+0x1e/0x30

 4454 21:35:44.580532  <4>[   42.271996]  ? execute_location+0x48/0x56

 4455 21:35:44.584217  <4>[   42.276261]  ? direct_entry.cold+0x2c/0x38

 4456 21:35:44.588278  <4>[   42.280614]  ? full_proxy_write+0x56/0x80

 4457 21:35:44.592334  <4>[   42.284878]  ? vfs_write+0xea/0x3b0

 4458 21:35:44.596367  <4>[   42.288622]  ? ksys_write+0x68/0xf0

 4459 21:35:44.600983  <4>[   42.292367]  ? do_syscall_64+0x33/0x40

 4460 21:35:44.605946  <4>[   42.296371]  ? entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4461 21:35:44.646095  <4>[   42.301852] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 cros_ec_dev videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify chromeos_pstore snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table

 4462 21:35:44.649118  <4>[   42.341777] CR2: ffffffff91594740

 4463 21:35:44.654147  <4>[   42.345349] ---[ end trace 0e3e908715a0f2fa ]---

 4464 21:35:44.659181  <4>[   42.350223] RIP: 0010:lkdtm_BUG+0x5/0x10

 4465 21:35:44.677423  <4>[   42.354400] Code: 89 ff e8 4e c3 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 59 64 a8 00 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

 4466 21:35:44.682473  <4>[   42.373396] RSP: 0018:ffffb258c0c27e60 EFLAGS: 00010286

 4467 21:35:44.689802  <4>[   42.378873] RAX: ffffffff9017e5f0 RBX: 0000000000000001 RCX: 0000000000000000

 4468 21:35:44.697330  <4>[   42.386256] RDX: 0000000000000000 RSI: ffff91a2ead1bf50 RDI: ffffffff915942b0

 4469 21:35:44.704576  <4>[   42.393645] RBP: ffffffff91a7f050 R08: 0000000000000001 R09: 0000000000000001

 4470 21:35:44.711791  <4>[   42.401027] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4471 21:35:44.719759  <4>[   42.408409] R13: ffffb258c0c27f10 R14: ffffb258c0c27f10 R15: ffff91a2c3b54000

 4472 21:35:44.728196  <4>[   42.415793] FS:  00007f8bf68553c0(0000) GS:ffff91a2eac00000(0000) knlGS:0000000000000000

 4473 21:35:44.734219  <4>[   42.424130] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4474 21:35:44.741471  <4>[   42.430126] CR2: ffffffff91594740 CR3: 000000010368e000 CR4: 00000000001506f0

 4475 21:35:44.750463  <3>[   42.437512] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 4476 21:35:44.757987  <3>[   42.446628] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1708, name: cat

 4477 21:35:44.762229  <4>[   42.454448] INFO: lockdep is turned off.

 4478 21:35:44.765616  <4>[   42.458626] irq event stamp: 0

 4479 21:35:44.772221  <4>[   42.461939] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 4480 21:35:44.781522  <4>[   42.468458] hardirqs last disabled at (0): [<ffffffff8f6fddac>] copy_process+0x65c/0x20e0

 4481 21:35:44.789752  <4>[   42.476884] softirqs last  enabled at (0): [<ffffffff8f6fddac>] copy_process+0x65c/0x20e0

 4482 21:35:44.795564  <4>[   42.485307] softirqs last disabled at (0): [<0000000000000000>] 0x0

 4483 21:35:44.803540  <4>[   42.491833] CPU: 0 PID: 1708 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 4484 21:35:44.809521  <4>[   42.499822] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 4485 21:35:44.812269  <4>[   42.506012] Call Trace:

 4486 21:35:44.816055  <4>[   42.508723]  dump_stack+0x77/0x9b

 4487 21:35:44.820487  <4>[   42.512299]  ___might_sleep.cold+0xa6/0xb6

 4488 21:35:44.825957  <4>[   42.516652]  exit_signals+0x1c/0x300

 4489 21:35:44.827389  <4>[   42.520486]  do_exit+0xc2/0xab0

 4490 21:35:44.831410  <4>[   42.523895]  ? ksys_write+0x68/0xf0

 4491 21:35:44.835905  <4>[   42.527640]  make_task_dead+0x2f/0x30

 4492 21:35:44.840704  <4>[   42.531557]  rewind_stack_and_make_dead+0x17/0x20

 4493 21:35:44.844775  <4>[   42.536514] RIP: 0033:0x7f8bf6732473

 4494 21:35:44.863154  <4>[   42.540345] 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

 4495 21:35:44.871315  <4>[   42.559343] RSP: 002b:00007ffc53176c38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4496 21:35:44.879539  <4>[   42.567162] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f8bf6732473

 4497 21:35:44.885598  <4>[   42.574544] RDX: 000000000000000c RSI: 00007f8bf6626000 RDI: 0000000000000001

 4498 21:35:44.893391  <4>[   42.581927] RBP: 00007f8bf6626000 R08: 00007f8bf6625010 R09: 0000000000000000

 4499 21:35:44.900321  <4>[   42.589309] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4500 21:35:44.908121  <4>[   42.596691] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4501 21:35:44.910631  00000001 RCX: 0000000000000000

 4502 21:35:44.918924  # [   41.044639] RDX: 0000000000000000 RSI: ffff91a2ead1bf50 RDI: ffffffff915942b0

 4503 21:35:44.926918  # [   41.052024] RBP: ffffffff91a7f050 R08: 0000000000000001 R09: 0000000000000001

 4504 21:35:44.932255  # [   41.059407] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4505 21:35:44.939645  # [   41.066791] R13: ffffb258c0c27f10 R14: ffffb258c0c27f10 R15: ffff91a2c3b54000

 4506 21:35:44.949230  # [   41.074175] FS:  00007f05b93fd3c0(0000) GS:ffff91a2ead00000(0000) knlGS:0000000000000000

 4507 21:35:44.953405  # [   41.082511] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4508 21:35:44.962063  # [   41.088507] CR2: ffff91a2c30f6000 CR3: 0000000102e1e000 CR4: 00000000001506e0

 4509 21:35:44.970023  # [   41.095896] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 4510 21:35:44.977881  # [   41.105013] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1634, name: cat

 4511 21:35:44.982210  # [   41.112831] INFO: lockdep is turned off.

 4512 21:35:44.985218  # [   41.117007] irq event stamp: 0

 4513 21:35:44.992030  # [   41.120318] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 4514 21:35:44.999868  # [   41.126838] hardirqs last disabled at (0): [<ffffffff8f6fddac>] copy_process+0x65c/0x20e0

 4515 21:35:45.009028  # [   41.135263] softirqs last  enabled at (0): [<ffffffff8f6fddac>] copy_process+0x65c/0x20e0

 4516 21:35:45.014712  # [   41.143688] softirqs last disabled at (0): [<0000000000000000>] 0x0

 4517 21:35:45.022402  # [   41.150208] CPU: 1 PID: 1634 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 4518 21:35:45.028761  # [   41.158199] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 4519 21:35:45.031217  # [   41.164369] Call Trace:

 4520 21:35:45.034501  # [   41.167077]  dump_stack+0x77/0x9b

 4521 21:35:45.038630  # [   41.170653]  ___might_sleep.cold+0xa6/0xb6

 4522 21:35:45.046637  # [   41.175006]  exit_s<6>[   42.722946] lkdtm: Performing direct entry EXEC_USERSPACE

 4523 21:35:45.048113  ignals+0x1c/0x300

 4524 21:35:45.052433  # [   41.178839]  do_exit+0xc2/0xab0

 4525 21:35:45.055697  # [   41.182240]  ? ksys_write+0x68/0xf0

 4526 21:35:45.059174  # [   41.185984]  make_task_dead+0x2f/0x30

 4527 21:35:45.064478  # [   41.189906]  rewind_stack_and_make_dead+0x17/0x20

 4528 21:35:45.068151  # [   41.194864] RIP: 0033:0x7f05b92da473

 4529 21:35:45.075077  # [   41.19869<6>[   42.742914] lkdtm: attempting ok execution at ffffffff9017e9c0

 4530 21:35:45.092679  5] 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

 4531 21:35:45.103289  # [   41.217694] RSP: 002b:00007ffea28ae558 EFLAGS: <6>[   42.771240] lkdtm: attempting bad execution at 00007ffbc90dd000

 4532 21:35:45.106359  00000246 ORIG_RAX: 0000000000000001

 4533 21:35:45.114169  # [   41.225513] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f05b92da473

 4534 21:35:45.121860  # [   41.232895] RDX: 000000000000000d RSI: 00007f05b91ce000 RDI: 0000000000000001

 4535 21:35:45.131503  # [   41.240280] RBP: 00007f05b91ce000 R08: 00007f0<2>[   42.799523] unable to execute userspace code (SMEP?) (uid: 0)

 4536 21:35:45.134017  5b91cd010 R09: 0000000000000000

 4537 21:35:45.141792  # [   41.247662] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4538 21:35:45.148947  # [   41.255048] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4539 21:35:45.152643  # EXEC_KMALLOC: saw 'call trace:': ok

 4540 21:35:45.161022  ok 32 selftests:<1>[   42.827685] BUG: unable to handle page fault for address: 00007ffbc90dd000

 4541 21:35:45.163682   lkdtm: EXEC_KMALLOC.sh

 4542 21:35:45.166755  # selftests: lkdtm: EXEC_VMALLOC.sh

 4543 21:35:45.166838  # Killed

 4544 21:35:45.172313  # [   41.470699] lkdtm: Performing direct entry EXEC_VMALLOC

 4545 21:35:45.178457  # [   41.476268] lkdtm: attempting ok execution at ffffffff9017e9c0

 4546 21:35:45.188869  # [   41.504558] lkdtm: attempting bad execution at f<1>[   42.856992] #PF: supervisor instruction fetch in kernel mode

 4547 21:35:45.194983  <1>[   42.885086] #PF: error_code(0x0011) - permissions violation

 4548 21:35:45.197056  fffb258c0785000

 4549 21:35:45.203902  # [   41.532919] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)

 4550 21:35:45.211046  # [   41.562771] BUG: unable to handle page fault for address: ffffb258c0785000

 4551 21:35:45.217090  # [   41.569894] #PF: supervisor instruction fetch in kernel mode

 4552 21:35:45.224489  # [<6>[   42.890910] PGD 105c26067 P4D 105c26067 PUD 1046f5067 PMD 105c27067 PTE 10b257067

 4553 21:35:45.230279     41.575803] #PF: error_code(0x0011) - permissions violation

 4554 21:35:45.238308  # [   41.581626] PGD 100000067 P4D 100000067 PUD 10023b067 PMD 1050d1067 PTE 8000000106605163

 4555 21:35:45.241976  # [   41.589969] Oops: 0011 [#8] SMP NOPTI

 4556 21:35:45.250918  # [   41.593888] CPU: 0 PID: 1671 Comm: cat Tainted: G<4>[   42.920823] Oops: 0011 [#10] SMP NOPTI

 4557 21:35:45.253943        D W         5.10.212-cip44 #1

 4558 21:35:45.260223  # [   41.601877] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 4559 21:35:45.263908  # [   41.608050] RIP: 0010:0xffffb258c0785000

 4560 21:35:45.271852  # [   41.612228] Code: Unable to access opcode bytes at RIP 0xffffb258c0784fd6.

 4561 21:35:45.280948  # [   41.619349] RSP:<4>[   42.947015] CPU: 1 PID: 1745 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 4562 21:35:45.286938  <4>[   42.977188] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 4563 21:35:45.290455   0018:ffffb258c1b6fe38 EFLAGS: 00010246

 4564 21:35:45.298359  # [   41.624827] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000

 4565 21:35:45.305272  # [   41.632209] RDX: 0000000000000000 RSI: ffff91a2eac1bf50 RDI: ffff91a2eac1bf50

 4566 21:35:45.312796  # [   41.639591] RBP: ffffb258c0785000 R08: 000<4>[   42.983363] RIP: 0010:0x7ffbc90dd000

 4567 21:35:45.317044  0000000000000 R09: 0000000000000000

 4568 21:35:45.324982  # [   41.646973] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d

 4569 21:35:45.331486  # [   41.654354] R13: ffffb258c1b6ff10 R14: ffffb258c1b6ff10 R15: ffff91a2c6605000

 4570 21:35:45.342289  # [   41.661755] FS:  00007f68d66d0580(0000) GS:fff<4>[   43.009373] Code: Unable to access opcode bytes at RIP 0x7ffbc90dcfd6.

 4571 21:35:45.345935  f9<1a2eac00000(0000) knlGS:0000000000000000

 4572 21:35:45.353083  # [   41.670090] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4573 21:35:45.360393  # [   41.676086] CR2: ffffb258c0784fd6 CR3: 0000000103d68000 CR4: 00000000001506f0

 4574 21:35:45.362106  # [   41.683468] Call Trace:

 4575 21:35:45.370002  # [   41.686177]  ? __die_body4>[   43.038335] RSP: 0018:ffffb258c1c5fe50 EFLAGS: 00010246

 4576 21:35:45.371168  .cold+0x1a/0x1f

 4577 21:35:45.375303  # [   41.690358]  ? no_context+0x177/0x380

 4578 21:35:45.379399  # [   41.694280]  ? exc_page_fault+0xd7/0x170

 4579 21:35:45.383413  # [   41.698463]  ? asm_exc_page_fault+0x1e/0x30

 4580 21:35:45.387709  # [   41.702906]  ? execute_location+0x48/0x56

 4581 21:35:45.392113  # [   41.707170]  ? lkdtm_EXEC_VMALLOC+0x20/0x30

 4582 21:35:45.399505  <4>[   43.066000] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000

 4583 21:35:45.406931  <4>[   43.095569] RDX: 0000000000000000 RSI: ffff91a2ead1bf50 RDI: ffff91a2ead1bf50

 4584 21:35:45.410959  # [   41.711608]  ? direct_entry.cold+0x2c/0x38

 4585 21:35:45.415138  # [   41.715962]  ? full_proxy_write+0x56/0x80

 4586 21:35:45.418742  # [   41.720227]  ? vfs_write+0xea/0x3b0

 4587 21:35:45.422332  # [   41.723973]  ? ksys_write+0x68/0xf0

 4588 21:35:45.426153  # [   41.727718]  ? do_syscall_64+0x33/0x40

 4589 21:35:45.436000  # [   41.731723]  ? entry_SYSC<4>[   43.102952] RBP: 00007ffbc90dd000 R08: 0000000000000000 R09: 0000000000000000

 4590 21:35:45.444044  <4>[   43.132517] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f

 4591 21:35:45.446347  ALL_64_after_hwframe+0x62/0xc7

 4592 21:35:45.473066  # [   41.737203] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 cros_ec_d<4>[   43.139900] R13: ffffb258c1c5ff10 R14: ffffb258c1c5ff10 R15: ffff91a2c2fc6000

 4593 21:35:45.493437  ev< videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify chromeos_pstore snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table

 4594 21:35:45.504319  # [   41.777125] CR2:4>[   43.169468] FS:  00007ffbc90df580(0000) GS:ffff91a2ead00000(0000) knlGS:0000000000000000

 4595 21:35:45.505680   f<fffb258c0785000

 4596 21:35:45.511276  # [   41.780696] ---[ end trace 0e3e908715a0f2f9 ]---

 4597 21:35:45.514365  # [   41.785568] RIP: 0010:lkdtm_BUG+0x5/0x10

 4598 21:35:45.532141  # [   41.789746] Code: 89 ff e8 4e c3 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 59 64 a8 00 48 c7 c0 f4 ff ff ff eb c9 04>[   43.199993] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4599 21:35:45.539438  <4>[   43.228179] CR2: 00007ffbc90dd000 CR3: 0000000103b7c000 CR4: 00000000001506e0

 4600 21:35:45.546840  f 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

 4601 21:35:45.552238  # [   41.808742] RSP: 0018:ffffb258c0c27e60 EFLAGS: 00010286

 4602 21:35:45.559272  # [   41.814220] RAX: ffffffff9017e5f0 RBX: 0000000000000001 RCX: 0000000000000000

 4603 21:35:45.565549  # [   41.821602] RDX: 00000<4>[   43.235560] Call Trace:

 4604 21:35:45.569549  00000000000 RSI: ffff91a2ead1bf50 RDI: ffffffff915942b0

 4605 21:35:45.576551  # [   41.828984] RBP: ffffffff91a7f050 R08: 0000000000000001 R09: 0000000000000001

 4606 21:35:45.583410  # [   41.836368] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4607 21:35:45.590993  # [   41.843751] R13: ffffb258c<4>[   43.260458]  ? __die_body.cold+0x1a/0x1f

 4608 21:35:45.595636  0c27f10 R14: ffffb258c0c27f10 R15: ffff91a2c3b54000

 4609 21:35:45.603090  # [   41.851135] FS:  00007f68d66d0580(0000) GS:ffff91a2eac00000(0000) knlGS:0000000000000000

 4610 21:35:45.609897  # [   41.859471] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4611 21:35:45.616579  # [   41.865467] CR2: ffffb258c0784fd6 C<4>[   43.286816]  ? no_context+0x177/0x380

 4612 21:35:45.620045  R3: 0000000103d68000 CR4: 00000000001506f0

 4613 21:35:45.623588  # EXEC_VMALLOC: saw 'call trace:': ok

 4614 21:35:45.627292  ok 33 selftests: lkdtm: EXEC_VMALLOC.sh

 4615 21:35:45.631262  # selftests: lkdtm: EXEC_RODATA.sh

 4616 21:35:45.631977  # Killed

 4617 21:35:45.636553  # [   42.027134] lkdtm: Performing direct entry EXEC_RODATA

 4618 21:35:45.642741  # [   42.033639] lkdtm: a<4>[   43.312919]  ? exc_page_fault+0x53/0x170

 4619 21:35:45.647030  ttempting ok execution at ffffffff9017e9c0

 4620 21:35:45.653628  # [   42.061954] lkdtm: attempting bad execution at ffffffff91594740

 4621 21:35:45.660576  # [   42.090312] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)

 4622 21:35:45.669360  # [   42.120163] BUG: unable to handle page fault for <4>[   43.339277]  ? asm_exc_page_fault+0x1e/0x30

 4623 21:35:45.672359  address: ffffffff91594740

 4624 21:35:45.677565  # [   42.127287] #PF: supervisor instruction fetch in kernel mode

 4625 21:35:45.683721  # [   42.133197] #PF: error_code(0x0011) - permissions violation

 4626 21:35:45.690479  # [   42.139020] PGD 1aa29067 P4D 1aa29067 PUD 1aa2a063 PMD 800000001a2001e1 

 4627 21:35:45.698259  # [   42.145975] <4>[   43.365907]  ? lkdtm_EXEC_USERSPACE.cold+0x69/0xae

 4628 21:35:45.700151  Oops: 0011 [#9] SMP NOPTI

 4629 21:35:45.708304  # [   42.149894] CPU: 0 PID: 1708 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 4630 21:35:45.713179  # [   42.157884] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 4631 21:35:45.718568  # [   42.164061] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10

 4632 21:35:45.723589  # [   4<4>[   43.393129]  ? direct_entry.cold+0x2c/0x38

 4633 21:35:45.742177  2.169453] Code: ff ff 5c 7c 84 90 ff ff ff ff 02 ab a1 91 ff ff ff ff a2 63 84 90 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

 4634 21:35:45.750623  # [   42.188451] RSP: 0018:ffffb258c1bdfe48 E<4>[   43.419669]  ? full_proxy_write+0x56/0x80

 4635 21:35:45.751405  FLAGS: 00010246

 4636 21:35:45.758691  # [   42.193929] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000

 4637 21:35:45.766214  # [   42.201313] RDX: 0000000000000000 RSI: ffff91a2eac1bf50 RDI: ffff91a2eac1bf50

 4638 21:35:45.775511  # [   42.208697] RBP: ffffffff91594740 R08: 0000000000000000 R09: 00000<4>[   43.446119]  ? vfs_write+0xea/0x3b0

 4639 21:35:45.776869  00000000000

 4640 21:35:45.783929  # [   42.216079] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c

 4641 21:35:45.791915  # [   42.223464] R13: ffffb258c1bdff10 R14: ffffb258c1bdff10 R15: ffff91a2c2fa7000

 4642 21:35:45.801740  # [   42.230849] FS:  00007f8bf68553c0(0000) GS:ffff91a2eac00000(0000) knlG<4>[   43.472047]  ? ksys_write+0x68/0xf0

 4643 21:35:45.803321  S:0000000000000000

 4644 21:35:45.809182  # [   42.239184] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4645 21:35:45.816811  # [   42.245179] CR2: ffffffff91594740 CR3: 000000010368e000 CR4: 00000000001506f0

 4646 21:35:45.818922  # [   42.252561] Call Trace:

 4647 21:35:45.823422  # [   42.255270]  ? __die_body.cold+0x1a/0x1f

 4648 21:35:45.827983  # [   4<4>[   43.497978]  ? do_syscall_64+0x33/0x40

 4649 21:35:45.830946  2.259451]  ? no_context+0x177/0x380

 4650 21:35:45.835308  # [   42.263372]  ? exc_page_fault+0xd7/0x170

 4651 21:35:45.841074  # [   42.267552]  ? asm_exc_page_fault+0x1e/0x30

 4652 21:35:45.844241  # [   42.271996]  ? execute_location+0x48/0x56

 4653 21:35:45.847909  # [   42.276261]  ? direct_entry.cold+0x2c/0x38

 4654 21:35:45.855737  # [   42.280614]  ? full_<4>[   43.524168]  ? entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4655 21:35:45.857662  proxy_write+0x56/0x80

 4656 21:35:45.860869  # [   42.284878]  ? vfs_write+0xea/0x3b0

 4657 21:35:45.865398  # [   42.288622]  ? ksys_write+0x68/0xf0

 4658 21:35:45.869356  # [   42.292367]  ? do_syscall_64+0x33/0x40

 4659 21:35:45.874356  # [   42.296371]  ? entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4660 21:35:45.917690  # [   42.301852] Modules linked in: fuse i<4>[   43.551835] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 cros_ec_dev videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify chromeos_pstore snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table

 4661 21:35:45.943712  p_tables cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 cros_ec_dev videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usb<4>[   43.613904] CR2: 00007ffbc90dd000

 4662 21:35:45.957281  pd_notify chromeos_pstore snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table

 4663 21:35:45.961486  # [   42.341777] CR2: ffffffff91594740

 4664 21:35:45.965891  # [   42.345349] ---[ end trace 0e3e908715a0f2fa ]---

 4665 21:35:45.970705  <4>[   43.639718] ---[ end trace 0e3e908715a0f2fb ]---

 4666 21:35:45.977098  # [   42.350223] RIP: 0010:lkdtm_BUG+0x5/0x10

 4667 21:35:45.996611  # [   42.354400] Code: 89 ff e8 4e c3 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 59 64 a8 00 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 7<4>[   43.666749] RIP: 0010:lkdtm_BUG+0x5/0x10

 4668 21:35:45.997699  8 2a 03

 4669 21:35:46.003508  # [   42.373396] RSP: 0018:ffffb258c0c27e60 EFLAGS: 00010286

 4670 21:35:46.010151  # [   42.378873] RAX: ffffffff9017e5f0 RBX: 0000000000000001 RCX: 0000000000000000

 4671 21:35:46.018897  # [   42.386256] RDX: 0000000000000000 RSI: ffff91a2ead1bf50 RDI: ffffffff915942b0

 4672 21:35:46.037753  # [   42.393645] <4>[   43.693237] Code: 89 ff e8 4e c3 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 59 64 a8 00 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

 4673 21:35:46.044006  RBP: ffffffff91a7f050 R08: 0000000000000001 R09: 0000000000000001

 4674 21:35:46.051280  # [   42.401027] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4675 21:35:46.059173  # [   42.408409] R13: ffffb258c0c27f10 R14: ffffb258c0c27f10 R15: ffff91a2c3b54000

 4676 21:35:46.065723  # [   42.415793] FS: <4>[   43.734350] RSP: 0018:ffffb258c0c27e60 EFLAGS: 00010286

 4677 21:35:46.072177   00007f8bf68553c0(0000) GS:ffff91a2eac00000(0000) knlGS:0000000000000000

 4678 21:35:46.077989  # [   42.424130] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4679 21:35:46.085452  # [   42.430126] CR2: ffffffff91594740 CR3: 000000010368e000 CR4: 00000000001506f0

 4680 21:35:46.095120  # [   42.437512] BUG: sleeping<4>[   43.762013] RAX: ffffffff9017e5f0 RBX: 0000000000000001 RCX: 0000000000000000

 4681 21:35:46.102001   function called from invalid context at include/linux/percpu-rwsem.h:49

 4682 21:35:46.109826  # [   42.446628] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1708, name: cat

 4683 21:35:46.113580  # [   42.454448] INFO: lockdep is turned off.

 4684 21:35:46.116936  # [   42.458626] irq event stamp: 0

 4685 21:35:46.125654  # [   42.<4>[   43.791569] RDX: 0000000000000000 RSI: ffff91a2ead1bf50 RDI: ffffffff915942b0

 4686 21:35:46.130791  461939] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 4687 21:35:46.138731  # [   42.468458] hardirqs last disabled at (0): [<ffffffff8f6fddac>] copy_process+0x65c/0x20e0

 4688 21:35:46.147262  # [   42.476884] softirqs last  enabled at (0): [<ffffffff8f6fddac>] copy_process+0x65c/0x20e0

 4689 21:35:46.154466  <4>[   43.821128] RBP: ffffffff91a7f050 R08: 0000000000000001 R09: 0000000000000001

 4690 21:35:46.154551  

 4691 21:35:46.160712  # [   42.485307] softirqs last disabled at (0): [<0000000000000000>] 0x0

 4692 21:35:46.169175  # [   42.491833] CPU: 0 PID: 1708 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 4693 21:35:46.175817  # [   42.499822] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 4694 21:35:46.183806  # [   42.506012] Cal<4>[   43.850708] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4695 21:35:46.184533  l Trace:

 4696 21:35:46.188400  # [   42.508723]  dump_stack+0x77/0x9b

 4697 21:35:46.192902  # [   42.512299]  ___might_sleep.cold+0xa6/0xb6

 4698 21:35:46.196271  # [   42.516652]  exit_signals+0x1c/0x300

 4699 21:35:46.199809  # [   42.520486]  do_exit+0xc2/0xab0

 4700 21:35:46.203130  # [   42.523895]  ? ksys_write+0x68/0xf0

 4701 21:35:46.213435  # [   42.527640]  make_task_dead+0<4>[   43.880267] R13: ffffb258c0c27f10 R14: ffffb258c0c27f10 R15: ffff91a2c3b54000

 4702 21:35:46.214264  x2f/0x30

 4703 21:35:46.219829  # [   42.531557]  rewind_stack_and_make_dead+0x17/0x20

 4704 21:35:46.223973  # [   42.536514] RIP: 0033:0x7f8bf6732473

 4705 21:35:46.243634  # [   42.540345] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 0<4>[   43.909844] FS:  00007ffbc90df580(0000) GS:ffff91a2ead00000(0000) knlGS:0000000000000000

 4706 21:35:46.250815  5 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 4707 21:35:46.258215  # [   42.559343] RSP: 002b:00007ffc53176c38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4708 21:35:46.266055  # [   42.567162] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f8bf6732473

 4709 21:35:46.272736  # [   42.574<4>[   43.940359] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4710 21:35:46.279736  544] RDX: 000000000000000c RSI: 00007f8bf6626000 RDI: 0000000000000001

 4711 21:35:46.285635  # [   42.581927] RBP: 00007f8bf6626000 R08: 00007f8bf6625010 R09: 0000000000000000

 4712 21:35:46.293999  # [   42.589309] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4713 21:35:46.301980  # [   42.596691<4>[   43.968552] CR2: 00007ffbc90dd000 CR3: 0000000103b7c000 CR4: 00000000001506e0

 4714 21:35:46.307931  ] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4715 21:35:46.311183  # EXEC_RODATA: saw 'call trace:': ok

 4716 21:35:46.314409  ok 34 selftests: lkdtm: EXEC_RODATA.sh

 4717 21:35:46.318195  # selftests: lkdtm: EXEC_USERSPACE.sh

 4718 21:35:46.318573  # Killed

 4719 21:35:46.419012  # [   42.722946] lkdtm: Performing direct entry EXEC_USERSPACE

 4720 21:35:46.423607  # [   42.742914] lkdtm: attempting ok execution at ffffffff9017e9c0

 4721 21:35:46.429722  # [   42.771240] lkdtm: attempting bad execution at 00007ffbc90dd000

 4722 21:35:46.435745  # [   42.799523] unable to execute userspace code (SMEP?) (uid: 0)

 4723 21:35:46.442844  # [   42.827685] BUG: unable to handle page fault for address: 00007ffbc90dd000

 4724 21:35:46.448427  # [   42.856992] #PF: supervisor instruction fetch in kernel mode

 4725 21:35:46.455645  # [   42.885086] #PF: error_code(0x0011) - permissions violation

 4726 21:35:46.461739  # [   42.890910] PGD 105c26067 P4D 105c26067 PUD 1046f5067 PMD 105c27067 PTE 10b257067

 4727 21:35:46.465675  # [   42.920823] Oops: 0011 [#10] SMP NOPTI

 4728 21:35:46.473741  # [   42.947015] CPU: 1 PID: 1745 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 4729 21:35:46.480238  # [   42.977188] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 4730 21:35:46.483944  # [   42.983363] RIP: 0010:0x7ffbc90dd000

 4731 21:35:46.489972  # [   43.009373] Code: Unable to access opcode bytes at RIP 0x7ffbc90dcfd6.

 4732 21:35:46.495596  # [   43.038335] RSP: 0018:ffffb258c1c5fe50 EFLAGS: 00010246

 4733 21:35:46.506467  # [   43.066000] RAX: 0000000000000033 RBX: 0000000000000024 RC<6>[   44.196569] lkdtm: Performing direct entry EXEC_NULL

 4734 21:35:46.508161  X: 0000000000000000

 4735 21:35:46.516020  # [   43.095569] RDX: 0000000000000000 RSI: ffff91a2ead1bf50 RDI: ffff91a2ead1bf50

 4736 21:35:46.522622  # [   43.102952] RBP: 00007ffbc90dd000 R08: 0000000000000000 R09: 0000000000000000

 4737 21:35:46.534285  # [   43.132517] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0<6>[   44.202542] lkdtm: attempting ok execution at ffffffff9017e9c0

 4738 21:35:46.536120  00000000000000f

 4739 21:35:46.543044  # [   43.139900] R13: ffffb258c1c5ff10 R14: ffffb258c1c5ff10 R15: ffff91a2c2fc6000

 4740 21:35:46.551379  # [   43.169468] FS:  00007ffbc90df580(0000) GS:ffff91a2ead00000(0000) knlGS:0000000000000000

 4741 21:35:46.562496  # [   43.199993] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080<6>[   44.230849] lkdtm: attempting bad execution at 0000000000000000

 4742 21:35:46.563307  050033

 4743 21:35:46.572204  # [   43.228179] CR2: 00007ffbc90dd000 CR3: 0000000103b7c000 CR4: 00000000001506e0

 4744 21:35:46.575441  # [   43.235560] Call Trace:

 4745 21:35:46.577572  # [   43.260458]  ? __die_body.cold+0x1a/0x1f

 4746 21:35:46.581296  # [   43.286816]  ? no_context+0x177/0x380

 4747 21:35:46.592263  # [   43.312919]  ? exc_page_fault+0x53/0x1<1>[   44.259252] BUG: kernel NULL pointer dereference, address: 0000000000000000

 4748 21:35:46.598400  <1>[   44.288563] #PF: supervisor instruction fetch in kernel mode

 4749 21:35:46.603325  <1>[   44.294472] #PF: error_code(0x0010) - not-present page

 4750 21:35:46.606475  <6>[   44.299860] PGD 0 P4D 0 

 4751 21:35:46.611335  <4>[   44.302653] Oops: 0010 [#11] SMP NOPTI

 4752 21:35:46.618592  <4>[   44.306657] CPU: 0 PID: 1782 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 4753 21:35:46.625084  <4>[   44.314645] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 4754 21:35:46.627735  <4>[   44.320816] RIP: 0010:0x0

 4755 21:35:46.634643  <4>[   44.323694] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6.

 4756 21:35:46.640331  <4>[   44.330815] RSP: 0018:ffffb258c1cefe48 EFLAGS: 00010246

 4757 21:35:46.647264  <4>[   44.336291] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000

 4758 21:35:46.655157  <4>[   44.343674] RDX: 0000000000000000 RSI: ffff91a2eac1bf50 RDI: ffff91a2eac1bf50

 4759 21:35:46.662320  <4>[   44.351057] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000

 4760 21:35:46.669659  <4>[   44.358439] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a

 4761 21:35:46.678221  <4>[   44.365819] R13: ffffb258c1ceff10 R14: ffffb258c1ceff10 R15: ffff91a2c2fa6000

 4762 21:35:46.685212  <4>[   44.373203] FS:  00007f6b80d46580(0000) GS:ffff91a2eac00000(0000) knlGS:0000000000000000

 4763 21:35:46.691354  <4>[   44.381539] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4764 21:35:46.699179  <4>[   44.387534] CR2: ffffffffffffffd6 CR3: 0000000105248000 CR4: 00000000001506f0

 4765 21:35:46.701140  <4>[   44.394915] Call Trace:

 4766 21:35:46.705921  <4>[   44.397623]  ? __die_body.cold+0x1a/0x1f

 4767 21:35:46.710066  <4>[   44.401803]  ? no_context+0x177/0x380

 4768 21:35:46.715930  <4>[   44.405722]  ? exc_page_fault+0x53/0x170

 4769 21:35:46.718507  <4>[   44.409900]  ? asm_exc_page_fault+0x1e/0x30

 4770 21:35:46.722333  <4>[   44.414343]  execute_location+0x48/0x56

 4771 21:35:46.726306  <4>[   44.418433]  direct_entry.cold+0x2c/0x38

 4772 21:35:46.730417  <4>[   44.422631]  full_proxy_write+0x56/0x80

 4773 21:35:46.734446  <4>[   44.426723]  vfs_write+0xea/0x3b0

 4774 21:35:46.737631  <4>[   44.430294]  ksys_write+0x68/0xf0

 4775 21:35:46.741209  <4>[   44.433864]  do_syscall_64+0x33/0x40

 4776 21:35:46.747847  <4>[   44.437694]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4777 21:35:46.750638  <4>[   44.442997] RIP: 0033:0x7f6b80c52473

 4778 21:35:46.770145  <4>[   44.446827] 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

 4779 21:35:46.778265  <4>[   44.465823] RSP: 002b:00007ffc81681328 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4780 21:35:46.784926  <4>[   44.473640] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f6b80c52473

 4781 21:35:46.791870  <4>[   44.481021] RDX: 000000000000000a RSI: 00007f6b80b46000 RDI: 0000000000000001

 4782 21:35:46.799723  <4>[   44.488404] RBP: 00007f6b80b46000 R08: 00007f6b80b45010 R09: 0000000000000000

 4783 21:35:46.807301  <4>[   44.495787] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4784 21:35:46.814885  <4>[   44.503169] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4785 21:35:46.854717  <4>[   44.510556] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 cros_ec_dev videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify chromeos_pstore snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table

 4786 21:35:46.857609  <4>[   44.550481] CR2: 0000000000000000

 4787 21:35:46.858410  70

 4788 21:35:46.863337  # [   43.339277]  ? asm_exc_page_fault+0x1e/0x30

 4789 21:35:46.867845  # [   43.365907]  ? lkdtm_EXEC_USERSPACE.cold+0x69/0xae

 4790 21:35:46.871844  # [   43.393129]  ? direct_entry.cold+0x2c/0x38

 4791 21:35:46.876027  # [   43.419669]  ? full_proxy_write+0x56/0x80

 4792 21:35:46.879624  # [   43.446119]  ? vfs_write+0xea/0x3b0

 4793 21:35:46.885036  # [   <4>[   44.554127] ---[ end trace 0e3e908715a0f2fc ]---

 4794 21:35:46.887752  43.472047]  ? ksys_write+0x68/0xf0

 4795 21:35:46.892306  # [   43.497978]  ? do_syscall_64+0x33/0x40

 4796 21:35:46.898519  # [   43.524168]  ? entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4797 21:35:46.912454  # [   43.551835] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs<4>[   44.581214] RIP: 0010:lkdtm_BUG+0x5/0x10

 4798 21:35:46.952936   cros_usbpd_logger cros_usbpd_charger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 cros_ec_dev videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify chromeos_pstore snd_soc_max98357a snd_soc_adau7002 snd_soc_da<4>[   44.607562] Code: 89 ff e8 4e c3 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 59 64 a8 00 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

 4799 21:35:46.960201  7219 acp_audio_dma snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table

 4800 21:35:46.966543  # [   43.613904] CR2: 00007ffbc90dd000

 4801 21:35:46.970005  # [   43.639718] ---[ end trace 0e3e908715a0f2fb ]---

 4802 21:35:46.973041  # [   43.666749] RIP: 0010:lkdtm_BUG+0x5/0x10

 4803 21:35:46.981006  # [   43.693237] Code: 8<4>[   44.648769] RSP: 0018:ffffb258c0c27e60 EFLAGS: 00010286

 4804 21:35:46.996993  9 ff e8 4e c3 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 59 64 a8 00 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

 4805 21:35:47.002933  # [   43.734350] RSP: 0018:ffffb258c0c27e60 EFLAGS: 00010286

 4806 21:35:47.009761  <4>[   44.676426] RAX: ffffffff9017e5f0 RBX: 0000000000000001 RCX: 0000000000000000

 4807 21:35:47.017196  # [   43.762013] RAX: ffffffff9017e5f0 RBX: 0000000000000001 RCX: 0000000000000000

 4808 21:35:47.024728  # [   43.791569] RDX: 0000000000000000 RSI: ffff91a2ead1bf50 RDI: ffffffff915942b0

 4809 21:35:47.031974  # [   43.821128] RBP: ffffffff91a7f050 R08: 0000000000000001 R09: 0000000000000001

 4810 21:35:47.039310  # [ <4>[   44.706027] RDX: 0000000000000000 RSI: ffff91a2ead1bf50 RDI: ffffffff915942b0

 4811 21:35:47.046112    43.850708] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4812 21:35:47.054661  # [   43.880267] R13: ffffb258c0c27f10 R14: ffffb258c0c27f10 R15: ffff91a2c3b54000

 4813 21:35:47.068535  # [   43.909844] FS:  00007ffbc90df580(0000) GS:ffff91a2ead00000(0000) knlGS:000000000000000<4>[   44.735565] RBP: ffffffff91a7f050 R08: 0000000000000001 R09: 0000000000000001

 4814 21:35:47.068927  0

 4815 21:35:47.074937  # [   43.940359] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4816 21:35:47.083049  # [   43.968552] CR2: 00007ffbc90dd000 CR3: 0000000103b7c000 CR4: 00000000001506e0

 4817 21:35:47.086085  # EXEC_USERSPACE: saw 'call trace:': ok

 4818 21:35:47.090152  ok 35 selftests: lkdtm: EXEC_USERSPACE.sh

 4819 21:35:47.098268  # selftests: lkdt<4>[   44.765146] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4820 21:35:47.099640  m: EXEC_NULL.sh

 4821 21:35:47.107011  <4>[   44.794675] R13: ffffb258c0c27f10 R14: ffffb258c0c27f10 R15: ffff91a2c3b54000

 4822 21:35:47.115426  <4>[   44.803526] FS:  00007f6b80d46580(0000) GS:ffff91a2eac00000(0000) knlGS:0000000000000000

 4823 21:35:47.121721  <4>[   44.811871] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4824 21:35:47.128630  <4>[   44.817875] CR2: ffffffffffffffd6 CR3: 0000000105248000 CR4: 00000000001506f0

 4825 21:35:47.130380  # Killed

 4826 21:35:47.158173  # [   44.196569] lkdtm: Performing direct entry EXEC_NULL

 4827 21:35:47.163500  # [   44.202542] lkdtm: attempting ok execution at ffffffff9017e9c0

 4828 21:35:47.169631  # [   44.230849] lkdtm: attempting bad execution at 0000000000000000

 4829 21:35:47.177071  # [   44.259252] BUG: kernel NULL pointer dereference, address: 0000000000000000

 4830 21:35:47.182517  # [   44.288563] #PF: supervisor instruction fetch in kernel mode

 4831 21:35:47.191704  # [   44.294472] #PF: error_code(0x0010) - not-present page

 4832 21:35:47.191829  # [   44.299860] PGD 0 P4D 0 

 4833 21:35:47.194458  # [   44.302653] Oops: 0010 [#11] SMP NOPTI

 4834 21:35:47.202729  # [   44.306657] CPU: 0 PID: 1782 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 4835 21:35:47.208223  # [   44.314645] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 4836 21:35:47.211313  # [   44.320816] RIP: 0010:0x0

 4837 21:35:47.218090  # [   44.323694] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6.

 4838 21:35:47.224034  # [   44.330815] RSP: 0018:ffffb258c1cefe48 EFLAGS: 00010246

 4839 21:35:47.230789  # [   44.336291] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000

 4840 21:35:47.237827  # [   44.343674] RDX: 0000000000000000 RSI: ffff91a2eac1bf50 RDI: ffff91a2eac1bf50

 4841 21:35:47.245276  # [   44.351057] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000

 4842 21:35:47.252884  # [   44.358439] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a

 4843 21:35:47.259748  # [   44.365819] R13: ffffb258c1ceff10 R14: ffffb258c1ceff10 R15: ffff91a2c2fa6000

 4844 21:35:47.274130  # [   44.373203] FS:  00007f6b80d46580(0000) GS:ffff91a2eac00000(0000) knlGS:0000000000000000<6>[   44.961853] lkdtm: Performing direct entry ACCESS_USERSPACE

 4845 21:35:47.274279  

 4846 21:35:47.280316  # [   44.381539] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4847 21:35:47.287315  # [   44.387534] CR2: ffffffffffffffd6 CR3: 0000000105248000 CR4: 00000000001506f0

 4848 21:35:47.290202  # [   44.394915] Call Trace:

 4849 21:35:47.294301  # [   44.397623]  ? __die_body.cold+0x1a/0x1f

 4850 21:35:47.303066  # [   44.401803]  ? no_co<6>[   44.970212] lkdtm: attempting bad read at 00007f3a2afb4000

 4851 21:35:47.303855  ntext+0x177/0x380

 4852 21:35:47.308427  # [   44.405722]  ? exc_page_fault+0x53/0x170

 4853 21:35:47.311774  # [   44.409900]  ? asm_exc_page_fault+0x1e/0x30

 4854 21:35:47.316000  # [   44.414343]  execute_location+0x48/0x56

 4855 21:35:47.320478  # [   44.418433]  direct_entry.cold+0x2c/0x38

 4856 21:35:47.324612  # [   44.422631]  full_proxy_write+0x56/0x80

 4857 21:35:47.328476  #<3>[   44.998136] lkdtm: FAIL: survived bad read

 4858 21:35:47.331812   [   44.426723]  vfs_write+0xea/0x3b0

 4859 21:35:47.334942  # [   44.430294]  ksys_write+0x68/0xf0

 4860 21:35:47.338960  # [   44.433864]  do_syscall_64+0x33/0x40

 4861 21:35:47.344245  # [   44.437694]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4862 21:35:47.348000  # [   44.442997] RIP: 0033:0x7f6b80c52473

 4863 21:35:47.356972  # [   44.446827] Code: 8b 15 21<6>[   45.024681] lkdtm: attempting bad write at 00007f3a2afb4000

 4864 21:35:47.372805   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

 4865 21:35:47.382924  # [   44.465823] RSP: 002b:00007ffc81681328 EFLAGS: 00000246 ORIG_RAX<3>[   45.052676] lkdtm: FAIL: survived bad write

 4866 21:35:47.384532  : 0000000000000001

 4867 21:35:47.391586  # [   44.473640] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f6b80c52473

 4868 21:35:47.399367  # [   44.481021] RDX: 000000000000000a RSI: 00007f6b80b46000 RDI: 0000000000000001

 4869 21:35:47.406409  # [   44.488404] RBP: 00007f6b80b46000 R08: 00007f6b80b45010 R09: 0000000000000000

 4870 21:35:47.415054  # [   44.495787] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4871 21:35:47.421014  # [   44.503169] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4872 21:35:47.461236  # [   44.510556] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 cros_ec_dev videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify chromeos_pstore snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table

 4873 21:35:47.465298  # [   44.550481] CR2: 0000000000000000

 4874 21:35:47.469665  # [   44.554127] ---[ end trace 0e3e908715a0f2fc ]---

 4875 21:35:47.473682  # [   44.581214] RIP: 0010:lkdtm_BUG+0x5/0x10

 4876 21:35:47.491743  # [   44.607562] Code: 89 ff e8 4e c3 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 59 64 a8 00 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

 4877 21:35:47.499771  # [   44.648769] RSP:<6>[   45.180922] lkdtm: Performing direct entry ACCESS_NULL

 4878 21:35:47.502820   0018:ffffb258c0c27e60 EFLAGS: 00010286

 4879 21:35:47.510006  # [   44.676426] RAX: ffffffff9017e5f0 RBX: 0000000000000001 RCX: 0000000000000000

 4880 21:35:47.518469  # [   44.706027] RDX: 0000000000000000 RSI: ffff91a2ead1bf50 RDI: ffffffff915942b0

 4881 21:35:47.527484  # [   44.735565] RBP: ffffffff91a7f050 R08: 000<6>[   45.195639] lkdtm: attempting bad read at 0000000000000000

 4882 21:35:47.530434  0000000000001 R09: 0000000000000001

 4883 21:35:47.538222  # [   44.765146] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4884 21:35:47.545161  # [   44.794675] R13: ffffb258c0c27f10 R14: ffffb258c0c27f10 R15: ffff91a2c3b54000

 4885 21:35:47.556696  # [   44.803526] FS:  00007f6b80d46580(0000) GS:fff<1>[   45.223620] BUG: kernel NULL pointer dereference, address: 0000000000000000

 4886 21:35:47.562061  <1>[   45.252925] #PF: supervisor read access in kernel mode

 4887 21:35:47.568750  <1>[   45.258314] #PF: error_code(0x0000) - not-present page

 4888 21:35:47.570463  <6>[   45.263706] PGD 0 P4D 0 

 4889 21:35:47.573853  f91a2eac00000(0000) knlGS:0000000000000000

 4890 21:35:47.580327  # [   44.811871] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4891 21:35:47.587641  # [   44.817875] CR2: ffffffffffffffd6 CR3: 0000000105248000 CR4: 00000000001506f0

 4892 21:35:47.590306  # EXEC_NULL: saw 'call trace:': ok

 4893 21:35:47.596831  ok 36 selftests: lkdtm: <4>[   45.266500] Oops: 0000 [#12] SMP NOPTI

 4894 21:35:47.597590  EXEC_NULL.sh

 4895 21:35:47.602122  # selftests: lkdtm: ACCESS_USERSPACE.sh

 4896 21:35:47.606775  # [   44.961853] lkdtm: Performing direct entry ACCESS_USERSPACE

 4897 21:35:47.612558  # [   44.970212] lkdtm: attempting bad read at 00007f3a2afb4000

 4898 21:35:47.617302  # [   44.998136] lkdtm: FAIL: survived bad read

 4899 21:35:47.626143  # [   45.024681] lkdt<4>[   45.292688] CPU: 1 PID: 1853 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 4900 21:35:47.632682  <4>[   45.322859] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 4901 21:35:47.636955  m: attempting bad write at 00007f3a2afb4000

 4902 21:35:47.640910  # [   45.052676] lkdtm: FAIL: survived bad write

 4903 21:35:47.645401  # ACCESS_USERSPACE: missing 'call trace:': [FAIL]

 4904 21:35:47.650464  not ok 37 selftests: lkdtm: ACCESS_USERSPACE.sh # exit=1

 4905 21:35:47.653209  # selftests: lkdtm: ACCESS_NULL.sh

 4906 21:35:47.658534  <4>[   45.329032] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53

 4907 21:35:47.677521  <4>[   45.354782] 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 a1 91 e8 da d6 fb ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 48 b8 a1 91 48 01

 4908 21:35:47.683019  <4>[   45.373778] RSP: 0018:ffffb258c1df7e58 EFLAGS: 00010246

 4909 21:35:47.690460  <4>[   45.379272] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000

 4910 21:35:47.698010  <4>[   45.386654] RDX: 0000000000000000 RSI: ffff91a2ead1bf50 RDI: ffff91a2ead1bf50

 4911 21:35:47.705442  <4>[   45.394036] RBP: ffffffff91a1a911 R08: 0000000000000000 R09: 0000000000000000

 4912 21:35:47.713292  <4>[   45.401418] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c

 4913 21:35:47.719632  <4>[   45.408800] R13: ffffb258c1df7f10 R14: ffffb258c1df7f10 R15: ffff91a2c37d0000

 4914 21:35:47.728335  <4>[   45.416183] FS:  00007f7d6516e580(0000) GS:ffff91a2ead00000(0000) knlGS:0000000000000000

 4915 21:35:47.734264  <4>[   45.424521] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4916 21:35:47.742217  <4>[   45.430525] CR2: 0000000000000000 CR3: 0000000103d7e000 CR4: 00000000001506e0

 4917 21:35:47.743869  <4>[   45.437909] Call Trace:

 4918 21:35:47.748283  <4>[   45.440619]  ? __die_body.cold+0x1a/0x1f

 4919 21:35:47.752463  <4>[   45.444799]  ? no_context+0x177/0x380

 4920 21:35:47.756317  <4>[   45.448728]  ? exc_page_fault+0x53/0x170

 4921 21:35:47.761931  <4>[   45.452909]  ? asm_exc_page_fault+0x1e/0x30

 4922 21:35:47.765134  <4>[   45.457351]  ? lkdtm_ACCESS_NULL+0x14/0x53

 4923 21:35:47.769557  <4>[   45.461702]  ? lkdtm_ACCESS_NULL+0x14/0x53

 4924 21:35:47.774557  <4>[   45.466055]  direct_entry.cold+0x2c/0x38

 4925 21:35:47.778311  <4>[   45.470238]  full_proxy_write+0x56/0x80

 4926 21:35:47.781192  <4>[   45.474331]  vfs_write+0xea/0x3b0

 4927 21:35:47.784944  <4>[   45.477903]  ksys_write+0x68/0xf0

 4928 21:35:47.788691  <4>[   45.481491]  do_syscall_64+0x33/0x40

 4929 21:35:47.794215  <4>[   45.485322]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4930 21:35:47.797873  <4>[   45.490640] RIP: 0033:0x7f7d6507a473

 4931 21:35:47.817182  <4>[   45.494471] 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

 4932 21:35:47.825673  <4>[   45.513469] RSP: 002b:00007fff16b231b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4933 21:35:47.832275  <4>[   45.521288] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f7d6507a473

 4934 21:35:47.841199  <4>[   45.528672] RDX: 000000000000000c RSI: 00007f7d64f6e000 RDI: 0000000000000001

 4935 21:35:47.847350  <4>[   45.536056] RBP: 00007f7d64f6e000 R08: 00007f7d64f6d010 R09: 0000000000000000

 4936 21:35:47.854171  <4>[   45.543439] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4937 21:35:47.861726  <4>[   45.550824] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4938 21:35:47.901712  <4>[   45.558212] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 cros_ec_dev videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify chromeos_pstore snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table

 4939 21:35:47.905144  <4>[   45.598137] CR2: 0000000000000000

 4940 21:35:47.910975  <4>[   45.601772] ---[ end trace 0e3e908715a0f2fd ]---

 4941 21:35:47.914498  <4>[   45.606676] RIP: 0010:lkdtm_BUG+0x5/0x10

 4942 21:35:47.933502  <4>[   45.610999] Code: 89 ff e8 4e c3 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 59 64 a8 00 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

 4943 21:35:47.939130  <4>[   45.630028] RSP: 0018:ffffb258c0c27e60 EFLAGS: 00010286

 4944 21:35:47.946276  <4>[   45.635597] RAX: ffffffff9017e5f0 RBX: 0000000000000001 RCX: 0000000000000000

 4945 21:35:47.953643  <4>[   45.643041] RDX: 0000000000000000 RSI: ffff91a2ead1bf50 RDI: ffffffff915942b0

 4946 21:35:47.961483  <4>[   45.650490] RBP: ffffffff91a7f050 R08: 0000000000000001 R09: 0000000000000001

 4947 21:35:47.968813  <4>[   45.657950] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4948 21:35:47.976283  <4>[   45.665391] R13: ffffb258c0c27f10 R14: ffffb258c0c27f10 R15: ffff91a2c3b54000

 4949 21:35:47.984642  <4>[   45.672833] FS:  00007f7d6516e580(0000) GS:ffff91a2ead00000(0000) knlGS:0000000000000000

 4950 21:35:47.990612  <4>[   45.681264] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4951 21:35:47.998214  <4>[   45.687322] CR2: 0000000000000000 CR3: 0000000103d7e000 CR4: 00000000001506e0

 4952 21:35:48.135161  <6>[   45.826577] lkdtm: Performing direct entry WRITE_RO

 4953 21:35:48.137130  # Killed

 4954 21:35:48.142264  # [   45.180922] lkdtm: Performing direct entry ACCESS_NULL

 4955 21:35:48.148414  # [   45.195639] lkdtm: attempting bad read at 0000000000000000

 4956 21:35:48.155526  # [   45.223620] BUG: kernel NULL pointer dereference, address: 0000000000000000

 4957 21:35:48.163940  # [   45.252925] #PF: supervisor read <6>[   45.831784] lkdtm: attempting bad rodata write at ffffffff91594730

 4958 21:35:48.165948  access in kernel mode

 4959 21:35:48.172004  # [   45.258314] #PF: error_code(0x0000) - not-present page

 4960 21:35:48.175707  # [   45.263706] PGD 0 P4D 0 

 4961 21:35:48.177872  # [   45.266500] Oops: 0000 [#12] SMP NOPTI

 4962 21:35:48.185939  # [   45.292688] CPU: 1 PID: 1853 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 4963 21:35:48.193592  # [  <1>[   45.860440] BUG: unable to handle page fault for address: ffffffff91594730

 4964 21:35:48.199678  <1>[   45.889686] #PF: supervisor write access in kernel mode

 4965 21:35:48.204560  <1>[   45.895166] #PF: error_code(0x0003) - permissions violation

 4966 21:35:48.211655  <6>[   45.900990] PGD 1aa29067 P4D 1aa29067 PUD 1aa2a063 PMD 800000001a2001e1 

 4967 21:35:48.216154  <4>[   45.907946] Oops: 0003 [#13] SMP NOPTI

 4968 21:35:48.224254  <4>[   45.911950] CPU: 0 PID: 1889 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 4969 21:35:48.230162  <4>[   45.919939] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 4970 21:35:48.234647  <4>[   45.926115] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a

 4971 21:35:48.254134  <4>[   45.930813] Code: 00 48 c7 c7 00 b7 a1 91 48 c7 c6 30 47 59 91 e8 84 d9 fb ff 48 8b 05 43 e0 d4 00 ba 34 12 cd ab 48 c7 c7 30 b7 a1 91 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

 4972 21:35:48.258831  <4>[   45.949808] RSP: 0018:ffffb258c1e7fe60 EFLAGS: 00010202

 4973 21:35:48.266524  <4>[   45.955284] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000

 4974 21:35:48.275881  <4>[   45.962668] RDX: 00000000abcd1234 RSI: ffff91a2eac1bf50 RDI: ffffffff91a1b730

 4975 21:35:48.280874  <4>[   45.970049] RBP: ffffffff91a1a91d R08: 0000000000000000 R09: 0000000000000000

 4976 21:35:48.288632  <4>[   45.977432] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009

 4977 21:35:48.295940  <4>[   45.984814] R13: ffffb258c1e7ff10 R14: ffffb258c1e7ff10 R15: ffff91a2c5764000

 4978 21:35:48.304480  <4>[   45.992196] FS:  00007fe308d8a580(0000) GS:ffff91a2eac00000(0000) knlGS:0000000000000000

 4979 21:35:48.310105  <4>[   46.000531] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4980 21:35:48.317748  <4>[   46.006525] CR2: ffffffff91594730 CR3: 00000001064e8000 CR4: 00000000001506f0

 4981 21:35:48.320235  <4>[   46.013907] Call Trace:

 4982 21:35:48.325303  <4>[   46.016617]  ? __die_body.cold+0x1a/0x1f

 4983 21:35:48.329205  <4>[   46.020798]  ? no_context+0x177/0x380

 4984 21:35:48.332516  <4>[   46.024718]  ? exc_page_fault+0xd7/0x170

 4985 21:35:48.338765  <4>[   46.028895]  ? asm_exc_page_fault+0x1e/0x30

 4986 21:35:48.340849  <4>[   46.033336]  ? lkdtm_WRITE_RO+0x2e/0x3a

 4987 21:35:48.344997  <4>[   46.037427]  direct_entry.cold+0x2c/0x38

 4988 21:35:48.349508  <4>[   46.041608]  full_proxy_write+0x56/0x80

 4989 21:35:48.353286  <4>[   46.045701]  vfs_write+0xea/0x3b0

 4990 21:35:48.356545  <4>[   46.049271]  ksys_write+0x68/0xf0

 4991 21:35:48.360570  <4>[   46.052841]  do_syscall_64+0x33/0x40

 4992 21:35:48.366505  <4>[   46.056672]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4993 21:35:48.370030  <4>[   46.061977] RIP: 0033:0x7fe308c62473

 4994 21:35:48.388566  <4>[   46.065807] 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

 4995 21:35:48.396240  <4>[   46.084802] RSP: 002b:00007ffe4f25f498 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4996 21:35:48.403919  <4>[   46.092619] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007fe308c62473

 4997 21:35:48.410880  <4>[   46.100000] RDX: 0000000000000009 RSI: 00007fe308b56000 RDI: 0000000000000001

 4998 21:35:48.418251  <4>[   46.107381] RBP: 00007fe308b56000 R08: 00007fe308b55010 R09: 0000000000000000

 4999 21:35:48.425868  <4>[   46.114763] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5000 21:35:48.433070  <4>[   46.122146] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5001 21:35:48.473419  <4>[   46.129532] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 cros_ec_dev videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify chromeos_pstore snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table

 5002 21:35:48.477177  <4>[   46.169447] CR2: ffffffff91594730

 5003 21:35:48.481223  <4>[   46.173018] ---[ end trace 0e3e908715a0f2fe ]---

 5004 21:35:48.486026  <4>[   46.177889] RIP: 0010:lkdtm_BUG+0x5/0x10

 5005 21:35:48.504683  <4>[   46.182064] Code: 89 ff e8 4e c3 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 59 64 a8 00 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

 5006 21:35:48.509973  <4>[   46.201061] RSP: 0018:ffffb258c0c27e60 EFLAGS: 00010286

 5007 21:35:48.517623  <4>[   46.206537] RAX: ffffffff9017e5f0 RBX: 0000000000000001 RCX: 0000000000000000

 5008 21:35:48.524925  <4>[   46.213920] RDX: 0000000000000000 RSI: ffff91a2ead1bf50 RDI: ffffffff915942b0

 5009 21:35:48.532358  <4>[   46.221302] RBP: ffffffff91a7f050 R08: 0000000000000001 R09: 0000000000000001

 5010 21:35:48.540196  <4>[   46.228684] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 5011 21:35:48.547426  <4>[   46.236066] R13: ffffb258c0c27f10 R14: ffffb258c0c27f10 R15: ffff91a2c3b54000

 5012 21:35:48.555776  <4>[   46.243447] FS:  00007fe308d8a580(0000) GS:ffff91a2eac00000(0000) knlGS:0000000000000000

 5013 21:35:48.562040  <4>[   46.251782] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5014 21:35:48.569454  <4>[   46.257777] CR2: ffffffff91594730 CR3: 00000001064e8000 CR4: 00000000001506f0

 5015 21:35:48.578019  <3>[   46.265160] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 5016 21:35:48.585673  <3>[   46.274274] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1889, name: cat

 5017 21:35:48.590162  <4>[   46.282090] INFO: lockdep is turned off.

 5018 21:35:48.593634  <4>[   46.286267] irq event stamp: 0

 5019 21:35:48.599754  <4>[   46.289576] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5020 21:35:48.608006  <4>[   46.296094] hardirqs last disabled at (0): [<ffffffff8f6fddac>] copy_process+0x65c/0x20e0

 5021 21:35:48.617296  <4>[   46.304520] softirqs last  enabled at (0): [<ffffffff8f6fddac>] copy_process+0x65c/0x20e0

 5022 21:35:48.623762  <4>[   46.312943] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5023 21:35:48.631315  <4>[   46.319461] CPU: 0 PID: 1889 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 5024 21:35:48.637720  <4>[   46.327451] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 5025 21:35:48.640171  <4>[   46.333620] Call Trace:

 5026 21:35:48.643387  <4>[   46.336327]  dump_stack+0x77/0x9b

 5027 21:35:48.648934  <4>[   46.339900]  ___might_sleep.cold+0xa6/0xb6

 5028 21:35:48.652013  <4>[   46.344254]  exit_signals+0x1c/0x300

 5029 21:35:48.655197  <4>[   46.348098]  do_exit+0xc2/0xab0

 5030 21:35:48.659268  <4>[   46.351498]  ? ksys_write+0x68/0xf0

 5031 21:35:48.664183  <4>[   46.355243]  make_task_dead+0x2f/0x30

 5032 21:35:48.667924  <4>[   46.359177]  rewind_stack_and_make_dead+0x17/0x20

 5033 21:35:48.671975  <4>[   46.364135] RIP: 0033:0x7fe308c62473

 5034 21:35:48.691153  <4>[   46.367980] 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

 5035 21:35:48.698634  <4>[   46.386975] RSP: 002b:00007ffe4f25f498 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5036 21:35:48.706098  <4>[   46.394785] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007fe308c62473

 5037 21:35:48.714020  <4>[   46.402168] RDX: 0000000000000009 RSI: 00007fe308b56000 RDI: 0000000000000001

 5038 21:35:48.720690  <4>[   46.409551] RBP: 00007fe308b56000 R08: 00007fe308b55010 R09: 0000000000000000

 5039 21:35:48.728021  <4>[   46.416932] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5040 21:35:48.735688  <4>[   46.424314] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5041 21:35:48.741572   45.322859] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 5042 21:35:48.746050  # [   45.329032] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53

 5043 21:35:48.765607  # [   45.354782] 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 a1 91 e8 da d6 fb ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 48 b8 a1 91 48 01

 5044 21:35:48.770307  # [   45.373778] RSP: 0018:ffffb258c1df7e58 EFLAGS: 00010246

 5045 21:35:48.777318  # [   45.379272] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000

 5046 21:35:48.785285  # [   45.386654] RDX: 0000000000000000 RSI: ffff91a2ead1bf50 RDI: ffff91a2ead1bf50

 5047 21:35:48.792237  # [   45.394036] RBP: ffffffff91a1a911 R08: 0000000000000000 R09: 0000000000000000

 5048 21:35:48.799462  # [   45.401418] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c

 5049 21:35:48.808594  # [   45.408800] R13: ffffb258c1df7f10 R14: ffffb258c1df7f10 R15: ffff91a2c37d0000

 5050 21:35:48.814913  # [   45.416183] FS:  00007f7d6516e580(0000) GS:ffff91a2ead00000(0000) knlGS:0000000000000000

 5051 21:35:48.820861  # [   45.424521] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5052 21:35:48.827949  # [   45.430525] CR2: 0000000000000000 CR3: 0000000103d7e000 CR4: 00000000001506e0

 5053 21:35:48.831030  # [   45.437909] Call Trace:

 5054 21:35:48.835511  # [   45.440619]  ? __die_body.cold+0x1a/0x1f

 5055 21:35:48.838360  # [   45.444799]  ? no_context+0x177/0x380

 5056 21:35:48.842937  # [   45.448728]  ? exc_page_fault+0x53/0x170

 5057 21:35:48.847130  # [   45.452909]  ? asm_exc_page_fault+0x1e/0x30

 5058 21:35:48.851458  # [   45.457351]  ? lkdtm_ACCESS_NULL+0x14/0x53

 5059 21:35:48.855967  # [   45.461702]  ? lkdtm_ACCESS_NULL+0x14/0x53

 5060 21:35:48.859627  # [   45.466055]  direct_entry.cold+0x2c/0x38

 5061 21:35:48.863460  # [   45.470238]  full_proxy_write+0x56/0x80

 5062 21:35:48.866726  # [   45.474331]  vfs_write+0xea/0x3b0

 5063 21:35:48.871146  # [   45.477903]  ksys_write+0x68/0xf0

 5064 21:35:48.874328  # [   45.481491]  do_syscall_64+0x33/0x40

 5065 21:35:48.879617  # [   45.485322]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5066 21:35:48.882832  # [   45.490640] RIP: 0033:0x7f7d6507a473

 5067 21:35:48.901671  # [   45.494471] 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 21:35:48.909608  # [   45.513469] RSP: 002b:00007fff16b231b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5069 21:35:48.919220  # [   45.521288] RAX: ffffffffffffffda<6>[   46.597571] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT

 5070 21:35:48.922977   RBX: 000000000000000c RCX: 00007f7d6507a473

 5071 21:35:48.931092  # [   45.528672] RDX: 000000000000000c RSI: 00007f7d64f6e000 RDI: 0000000000000001

 5072 21:35:48.938537  # [   45.536056] RBP: 00007f7d64f6e000 R08: 00007f7d64f6d010 R09: 0000000000000000

 5073 21:35:48.949762  # [   45.543439] R10: fffffffffffffbc5 R11<6>[   46.615403] lkdtm: attempting bad ro_after_init write at ffffffff91aa1350

 5074 21:35:48.952236  : 0000000000000246 R12: 0000000000000001

 5075 21:35:48.960154  # [   45.550824] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5076 21:35:48.977316  # [   45.558212] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_usbpd_logge<1>[   46.644655] BUG: unable to handle page fault for address: ffffffff91aa1350

 5077 21:35:49.005600  r cros_usbpd_charger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 cros_ec_dev videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify chromeos_pstore snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dm<1>[   46.673929] #PF: supervisor write access in kernel mode

 5078 21:35:49.011133  <1>[   46.701588] #PF: error_code(0x0003) - permissions violation

 5079 21:35:49.017417  a snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table

 5080 21:35:49.020701  # [   45.598137] CR2: 0000000000000000

 5081 21:35:49.025606  # [   45.601772] ---[ end trace 0e3e908715a0f2fd ]---

 5082 21:35:49.029957  # [   45.606676] RIP: 0010:lkdtm_BUG+0x5/0x10

 5083 21:35:49.041370  # [   45.610999] Code: 89 ff e8 4e c3 79 <6>[   46.707410] PGD 1aa29067 P4D 1aa29067 PUD 1aa2a063 PMD 105619063 PTE 800000001a8a1161

 5084 21:35:49.057257  ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 59 64 a8 00 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

 5085 21:35:49.062639  # [   45.630028] RSP: 0018:ffffb258c0c27e60 EFLAGS: 00010286

 5086 21:35:49.067622  # [   45.635597] <4>[   46.737671] Oops: 0003 [#14] SMP NOPTI

 5087 21:35:49.073522  RAX: ffffffff9017e5f0 RBX: 0000000000000001 RCX: 0000000000000000

 5088 21:35:49.080936  # [   45.643041] RDX: 0000000000000000 RSI: ffff91a2ead1bf50 RDI: ffffffff915942b0

 5089 21:35:49.087681  # [   45.650490] RBP: ffffffff91a7f050 R08: 0000000000000001 R09: 0000000000000001

 5090 21:35:49.097344  # [   45.657950] R10:<4>[   46.763863] CPU: 1 PID: 1925 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 5091 21:35:49.104171  <4>[   46.794035] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 5092 21:35:49.109674   00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 5093 21:35:49.116976  # [   45.665391] R13: ffffb258c0c27f10 R14: ffffb258c0c27f10 R15: ffff91a2c3b54000

 5094 21:35:49.126598  # [   45.672833] FS:  00007f7d6516e580(0000) GS:ffff91a2ead00000(0000) knlGS:0000000000000000

 5095 21:35:49.132055  # [   45.68126<4>[   46.800211] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a

 5096 21:35:49.136623  4] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5097 21:35:49.143548  # [   45.687322] CR2: 0000000000000000 CR3: 0000000103d7e000 CR4: 00000000001506e0

 5098 21:35:49.147302  # ACCESS_NULL: saw 'call trace:': ok

 5099 21:35:49.150532  ok 38 selftests: lkdtm: ACCESS_NULL.sh

 5100 21:35:49.153460  # selftests: lkdtm: WRITE_RO.sh

 5101 21:35:49.173703  # Kille<4>[   46.828038] Code: b7 a1 91 e9 36 d9 fb ff 48 c7 c7 88 b7 a1 91 e8 2a d9 fb ff 48 8b 05 09 ac 25 01 ba 34 12 cd ab 48 c7 c7 30 b7 a1 91 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

 5102 21:35:49.173821  d

 5103 21:35:49.178332  # [   45.826577] lkdtm: Performing direct entry WRITE_RO

 5104 21:35:49.184917  # [   45.831784] lkdtm: attempting bad rodata write at ffffffff91594730

 5105 21:35:49.191872  # [   45.860440] BUG: unable to handle page fault for address: ffffffff91594730

 5106 21:35:49.201378  # [   45.889686] #PF: supervisor write ac<4>[   46.869238] RSP: 0018:ffffb258c1ef7e60 EFLAGS: 00010202

 5107 21:35:49.208381  <4>[   46.896900] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000

 5108 21:35:49.210128  cess in kernel mode

 5109 21:35:49.215236  # [   45.895166] #PF: error_code(0x0003) - permissions violation

 5110 21:35:49.222681  # [   45.900990] PGD 1aa29067 P4D 1aa29067 PUD 1aa2a063 PMD 800000001a2001e1 

 5111 21:35:49.227221  # [   45.907946] Oops: 0003 [#13] SMP NOPTI

 5112 21:35:49.237433  # [   45.911950] CPU: 0 PID: 1889 Comm: cat T<4>[   46.904282] RDX: 00000000abcd1234 RSI: ffff91a2ead1bf50 RDI: ffffffff91a1b730

 5113 21:35:49.241671  ai<nted: G      D W         5.10.212-cip44 #1

 5114 21:35:49.247698  # [   45.919939] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 5115 21:35:49.252505  # [   45.926115] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a

 5116 21:35:49.267063  # [   45.930813] Code: 00 48 c7 c7 00 b7 a1 91 48 c7 c6 30 47 59 91 e8 84 d9 fb ff 48 84>[   46.933849] RBP: ffffffff91a1a926 R08: 0000000000000000 R09: 0000000000000000

 5117 21:35:49.278120  b 05 43 e0 d4 00 ba 34 12 cd ab 48 c7 c7 30 b7 a1 91 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

 5118 21:35:49.284340  # [   45.949808] RSP: 0018:ffffb258c1e7fe60 EFLAGS: 00010202

 5119 21:35:49.297515  # [   45.955284] RAX: 000000000198b861 RBX: 0000000000000028 RC<4>[   46.963420] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014

 5120 21:35:49.298641  X:< 0000000000000000

 5121 21:35:49.306017  # [   45.962668] RDX: 00000000abcd1234 RSI: ffff91a2eac1bf50 RDI: ffffffff91a1b730

 5122 21:35:49.313005  # [   45.970049] RBP: ffffffff91a1a91d R08: 0000000000000000 R09: 0000000000000000

 5123 21:35:49.326656  # [   45.977432] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 04>[   46.992988] R13: ffffb258c1ef7f10 R14: ffffb258c1ef7f10 R15: ffff91a2c35b2000

 5124 21:35:49.327541  000000000000009

 5125 21:35:49.335190  # [   45.984814] R13: ffffb258c1e7ff10 R14: ffffb258c1e7ff10 R15: ffff91a2c5764000

 5126 21:35:49.343896  # [   45.992196] FS:  00007fe308d8a580(0000) GS:ffff91a2eac00000(0000) knlGS:0000000000000000

 5127 21:35:49.356891  # [   46.000531] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080<4>[   47.022560] FS:  00007f11537d9580(0000) GS:ffff91a2ead00000(0000) knlGS:0000000000000000

 5128 21:35:49.358101  05<0033

 5129 21:35:49.364951  # [   46.006525] CR2: ffffffff91594730 CR3: 00000001064e8000 CR4: 00000000001506f0

 5130 21:35:49.367422  # [   46.013907] Call Trace:

 5131 21:35:49.371694  # [   46.016617]  ? __die_body.cold+0x1a/0x1f

 5132 21:35:49.375295  # [   46.020798]  ? no_context+0x177/0x380

 5133 21:35:49.385002  # [   46.024718]  ? exc_page_fault+0xd7/0x14>[   47.053082] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5134 21:35:49.386991  70<

 5135 21:35:49.390142  # [   46.028895]  ? asm_exc_page_fault+0x1e/0x30

 5136 21:35:49.393557  # [   46.033336]  ? lkdtm_WRITE_RO+0x2e/0x3a

 5137 21:35:49.398167  # [   46.037427]  direct_entry.cold+0x2c/0x38

 5138 21:35:49.402198  # [   46.041608]  full_proxy_write+0x56/0x80

 5139 21:35:49.405225  # [   46.045701]  vfs_write+0xea/0x3b0

 5140 21:35:49.414858  # [   46.049271]  ksys_4>[   47.081268] CR2: ffffffff91aa1350 CR3: 0000000105658000 CR4: 00000000001506e0

 5141 21:35:49.416987  <4>[   47.110839] Call Trace:

 5142 21:35:49.419028  write+0x68/0xf0

 5143 21:35:49.422583  # [   46.052841]  do_syscall_64+0x33/0x40

 5144 21:35:49.427527  # [   46.056672]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5145 21:35:49.431319  # [   46.061977] RIP: 0033:0x7fe308c62473

 5146 21:35:49.444004  # [   46.065807] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 6<4>[   47.113551]  ? __die_body.cold+0x1a/0x1f

 5147 21:35:49.454540  4 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5148 21:35:49.462035  # [   46.084802] RSP: 002b:00007ffe4f25f498 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5149 21:35:49.470349  # [   46.092619] RAX: ffffffffffffffda RBX<4>[   47.139907]  ? no_context+0x177/0x380

 5150 21:35:49.473271  : 0000000000000009 RCX: 00007fe308c62473

 5151 21:35:49.480783  # [   46.100000] RDX: 0000000000000009 RSI: 00007fe308b56000 RDI: 0000000000000001

 5152 21:35:49.488894  # [   46.107381] RBP: 00007fe308b56000 R08: 00007fe308b55010 R09: 0000000000000000

 5153 21:35:49.496468  # [   46.114763] R10: fffffffffffffbc5 R11: 00<4>[   47.166009]  ? exc_page_fault+0xd7/0x170

 5154 21:35:49.501196  00000000000246 R12: 0000000000000001

 5155 21:35:49.507012  # [   46.122146] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5156 21:35:49.522676  # [   46.129532] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cr<4>[   47.192369]  ? asm_exc_page_fault+0x1e/0x30

 5157 21:35:49.550206  os_usbpd_charger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 cros_ec_dev videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify chromeos_pstore snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma sn<4>[   47.218997]  ? lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a

 5158 21:35:49.557241  d_soc_core snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table

 5159 21:35:49.560053  # [   46.169447] CR2: ffffffff91594730

 5160 21:35:49.564065  # [   46.173018] ---[ end trace 0e3e908715a0f2fe ]---

 5161 21:35:49.568290  # [   46.177889] RIP: 0010:lkdtm_BUG+0x5/0x10

 5162 21:35:49.576253  # [   46.182064] Code: 89 ff e8 4e c3 79 ff 4<4>[   47.246221]  direct_entry.cold+0x2c/0x38

 5163 21:35:49.591118  8 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 59 64 a8 00 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

 5164 21:35:49.597252  # [   46.201061] RSP: 0018:ffffb258c0c27e60 EFLAGS: 00010286

 5165 21:35:49.602719  # [   46.206537] RAX:<4>[   47.272586]  full_proxy_write+0x56/0x80

 5166 21:35:49.608133   ffffffff9017e5f0 RBX: 0000000000000001 RCX: 0000000000000000

 5167 21:35:49.615204  # [   46.213920] RDX: 0000000000000000 RSI: ffff91a2ead1bf50 RDI: ffffffff915942b0

 5168 21:35:49.622891  # [   46.221302] RBP: ffffffff91a7f050 R08: 0000000000000001 R09: 0000000000000001

 5169 21:35:49.628740  # [   46.228684] R10: 000<4>[   47.298862]  vfs_write+0xea/0x3b0

 5170 21:35:49.633110  00000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 5171 21:35:49.640690  # [   46.236066] R13: ffffb258c0c27f10 R14: ffffb258c0c27f10 R15: ffff91a2c3b54000

 5172 21:35:49.649199  # [   46.243447] FS:  00007fe308d8a580(0000) GS:ffff91a2eac00000(0000) knlGS:0000000000000000

 5173 21:35:49.653958  # [   46.251782] C<4>[   47.324616]  ksys_write+0x68/0xf0

 5174 21:35:49.658871  S:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5175 21:35:49.665595  # [   46.257777] CR2: ffffffff91594730 CR3: 00000001064e8000 CR4: 00000000001506f0

 5176 21:35:49.674677  # [   46.265160] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 5177 21:35:49.680129  # [   46.274274] i<4>[   47.350371]  do_syscall_64+0x33/0x40

 5178 21:35:49.688655  n_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1889, name: cat

 5179 21:35:49.691507  # [   46.282090] INFO: lockdep is turned off.

 5180 21:35:49.693907  # [   46.286267] irq event stamp: 0

 5181 21:35:49.699906  # [   46.289576] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5182 21:35:49.707319  # [   46.296094] hardirqs l<4>[   47.376386]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5183 21:35:49.713983  ast disabled at (0): [<ffffffff8f6fddac>] copy_process+0x65c/0x20e0

 5184 21:35:49.722108  # [   46.304520] softirqs last  enabled at (0): [<ffffffff8f6fddac>] copy_process+0x65c/0x20e0

 5185 21:35:49.729487  # [   46.312943] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5186 21:35:49.733730  # [   46.319461] <4>[   47.403877] RIP: 0033:0x7f11536b2473

 5187 21:35:49.740336  CPU: 0 PID: 1889 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 5188 21:35:49.746309  # [   46.327451] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 5189 21:35:49.748695  # [   46.333620] Call Trace:

 5190 21:35:49.752487  # [   46.336327]  dump_stack+0x77/0x9b

 5191 21:35:49.775568  # [   46.339900]  ___might_sleep.cold+0xa6<4>[   47.429893] 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

 5192 21:35:49.775658  /0xb6

 5193 21:35:49.779691  # [   46.344254]  exit_signals+0x1c/0x300

 5194 21:35:49.782509  # [   46.348098]  do_exit+0xc2/0xab0

 5195 21:35:49.786592  # [   46.351498]  ? ksys_write+0x68/0xf0

 5196 21:35:49.790301  # [   46.355243]  make_task_dead+0x2f/0x30

 5197 21:35:49.794859  # [   46.359177]  rewind_stack_and_make_dead+0x17/0x20

 5198 21:35:49.804703  # [   46.364135] RIP: 0033<4>[   47.471076] RSP: 002b:00007ffc382dd678 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5199 21:35:49.806121  :0<x7fe308c62473

 5200 21:35:49.825059  # [   46.367980] 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

 5201 21:35:49.834556  # [   46.386975] RSP:4>[   47.501081] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f11536b2473

 5202 21:35:49.841832  <4>[   47.530653] RDX: 0000000000000014 RSI: 00007f11535a6000 RDI: 0000000000000001

 5203 21:35:49.848342   002b:00007ffe4f25f498 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5204 21:35:49.855106  # [   46.394785] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007fe308c62473

 5205 21:35:49.862555  # [   46.402168] RDX: 0000000000000009 RSI: 00007fe308b56000 RDI: 0000000000000001

 5206 21:35:49.870938  # [   46.409551] RBP<4>[   47.538036] RBP: 00007f11535a6000 R08: 00007f11535a5010 R09: 0000000000000000

 5207 21:35:49.879509  <4>[   47.567603] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5208 21:35:49.884319  : 00007fe308b56000 R08: 00007fe308b55010 R09: 0000000000000000

 5209 21:35:49.891376  # [   46.416932] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5210 21:35:49.898503  # [   46.424314] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5211 21:35:49.908787  # WRITE_RO: saw 'call tr<4>[   47.574987] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5212 21:35:49.909663  ace:': ok

 5213 21:35:49.912371  ok 39 selftests: lkdtm: WRITE_RO.sh

 5214 21:35:49.916949  # selftests: lkdtm: WRITE_RO_AFTER_INIT.sh

 5215 21:35:49.956103  <4>[   47.604557] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 cros_ec_dev videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify chromeos_pstore snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table

 5216 21:35:49.959401  <4>[   47.652413] CR2: ffffffff91aa1350

 5217 21:35:49.964727  <4>[   47.655988] ---[ end trace 0e3e908715a0f2ff ]---

 5218 21:35:49.968384  <4>[   47.660862] RIP: 0010:lkdtm_BUG+0x5/0x10

 5219 21:35:49.987690  <4>[   47.665040] Code: 89 ff e8 4e c3 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 59 64 a8 00 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

 5220 21:35:49.995193  <4>[   47.684036] RSP: 0018:ffffb258c0c27e60 EFLAGS: 00010286

 5221 21:35:50.000732  <4>[   47.689514] RAX: ffffffff9017e5f0 RBX: 0000000000000001 RCX: 0000000000000000

 5222 21:35:50.008135  <4>[   47.696898] RDX: 0000000000000000 RSI: ffff91a2ead1bf50 RDI: ffffffff915942b0

 5223 21:35:50.015890  <4>[   47.704280] RBP: ffffffff91a7f050 R08: 0000000000000001 R09: 0000000000000001

 5224 21:35:50.022500  <4>[   47.711663] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 5225 21:35:50.029969  <4>[   47.719046] R13: ffffb258c0c27f10 R14: ffffb258c0c27f10 R15: ffff91a2c3b54000

 5226 21:35:50.038059  <4>[   47.726430] FS:  00007f11537d9580(0000) GS:ffff91a2ead00000(0000) knlGS:0000000000000000

 5227 21:35:50.045195  <4>[   47.734766] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5228 21:35:50.052653  <4>[   47.740763] CR2: ffffffff91aa1350 CR3: 0000000105658000 CR4: 00000000001506e0

 5229 21:35:50.061108  <3>[   47.748148] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 5230 21:35:50.068875  <3>[   47.757265] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1925, name: cat

 5231 21:35:50.073312  <4>[   47.765081] INFO: lockdep is turned off.

 5232 21:35:50.076126  <4>[   47.769258] irq event stamp: 0

 5233 21:35:50.082860  <4>[   47.772568] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5234 21:35:50.091644  <4>[   47.779088] hardirqs last disabled at (0): [<ffffffff8f6fddac>] copy_process+0x65c/0x20e0

 5235 21:35:50.099712  <4>[   47.787512] softirqs last  enabled at (0): [<ffffffff8f6fddac>] copy_process+0x65c/0x20e0

 5236 21:35:50.106196  <4>[   47.795935] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5237 21:35:50.114101  <4>[   47.802453] CPU: 1 PID: 1925 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 5238 21:35:50.120400  <4>[   47.810441] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 5239 21:35:50.123027  <4>[   47.816610] Call Trace:

 5240 21:35:50.126251  <4>[   47.819319]  dump_stack+0x77/0x9b

 5241 21:35:50.131337  <4>[   47.822894]  ___might_sleep.cold+0xa6/0xb6

 5242 21:35:50.134722  <4>[   47.827249]  exit_signals+0x1c/0x300

 5243 21:35:50.137673  <4>[   47.831081]  do_exit+0xc2/0xab0

 5244 21:35:50.141643  <4>[   47.834479]  ? ksys_write+0x68/0xf0

 5245 21:35:50.146109  <4>[   47.838225]  make_task_dead+0x2f/0x30

 5246 21:35:50.150340  <4>[   47.842144]  rewind_stack_and_make_dead+0x17/0x20

 5247 21:35:50.155200  <4>[   47.847102] RIP: 0033:0x7f11536b2473

 5248 21:35:50.174339  <4>[   47.850934] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5249 21:35:50.181682  <4>[   47.869931] RSP: 002b:00007ffc382dd678 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5250 21:35:50.189068  <4>[   47.877749] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f11536b2473

 5251 21:35:50.196611  <4>[   47.885133] RDX: 0000000000000014 RSI: 00007f11535a6000 RDI: 0000000000000001

 5252 21:35:50.204532  <4>[   47.892516] RBP: 00007f11535a6000 R08: 00007f11535a5010 R09: 0000000000000000

 5253 21:35:50.210582  <4>[   47.899899] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5254 21:35:50.218393  <4>[   47.907282] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5255 21:35:50.228954  <4>[   47.914711] clocksource: Long readout interval, skipping watchdog check: cs_nsec: 1179237163 wd_nsec: 1179236606

 5256 21:35:50.229803  # Killed

 5257 21:35:50.279499  # [   46.597571] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT

 5258 21:35:50.286473  # [   46.615403] lkdtm: attempting bad ro_after_init write at ffffffff91aa1350

 5259 21:35:50.293282  # [   46.644655] BUG: unable to handle page fault for address: ffffffff91aa1350

 5260 21:35:50.300559  # [   46.673929] #PF: supervisor write access in kernel mode

 5261 21:35:50.304163  # [   46.701588] #PF: error_code(0x0003) - permissions violation

 5262 21:35:50.311981  # [   46.707410] PGD 1aa29067 P4D 1aa29067 PUD 1aa2a063 PMD 105619063 PTE 800000001a8a1161

 5263 21:35:50.316948  # [   46.737671] Oops: 0003 [#14] SMP NOPTI

 5264 21:35:50.323864  # [   46.763863] CPU: 1 PID: 1925 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 5265 21:35:50.330164  # [   46.794035] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 5266 21:35:50.336748  # [   46.800211] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a

 5267 21:35:50.354841  # [   46.828038] Code: b7 a1 91 e9 36 d9 fb ff 48 c7 c7 88 b7 a1 91 e8 2a d9 fb ff 48 8b 05 09 ac 25 01 ba 34 12 cd ab 48 c7 c7 30 b7 a1 91 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

 5268 21:35:50.361327  # [   46.869238] RSP: 0018:ffffb258c1ef7e60 EFLAGS: 00010202

 5269 21:35:50.367634  # [   46.896900] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000

 5270 21:35:50.374966  # [   46.904282] RDX: 00000000abcd1234 RSI: ffff91a2ead1bf50 RDI: ffffffff91a1b730

 5271 21:35:50.381447  # [   46.933849] RBP: ffffffff91a1a926 R08: 0000000000000000 R09: 0000000000000000

 5272 21:35:50.389755  # [   46.963420] R10: 000000<6>[   48.068002] lkdtm: Performing direct entry WRITE_KERN

 5273 21:35:50.394580  00ffffe000 R11: 3fffffffffffffff R12: 0000000000000014

 5274 21:35:50.401912  # [   46.992988] R13: ffffb258c1ef7f10 R14: ffffb258c1ef7f10 R15: ffff91a2c35b2000

 5275 21:35:50.411435  # [   47.022560] FS:  00007f11537d9580(0000) GS:ffff91a2ead00000(0000) knlGS:0000000000000000

 5276 21:35:50.419420  # [   47.053082] CS: <6>[   48.085768] lkdtm: attempting bad 7109799 byte write at ffffffff90846667

 5277 21:35:50.422744   0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5278 21:35:50.430148  # [   47.081268] CR2: ffffffff91aa1350 CR3: 0000000105658000 CR4: 00000000001506e0

 5279 21:35:50.433367  # [   47.110839] Call Trace:

 5280 21:35:50.436663  # [   47.113551]  ? __die_body.cold+0x1a/0x1f

 5281 21:35:50.440471  # [   47.139907]  ? no_context+0x177/0x380

 5282 21:35:50.448842  # [ <1>[   48.114927] BUG: unable to handle page fault for address: ffffffff90846667

 5283 21:35:50.452431    47.166009]  ? exc_page_fault+0xd7/0x170

 5284 21:35:50.456261  # [   47.192369]  ? asm_exc_page_fault+0x1e/0x30

 5285 21:35:50.461235  # [   47.218997]  ? lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a

 5286 21:35:50.465839  # [   47.246221]  direct_entry.cold+0x2c/0x38

 5287 21:35:50.468681  # [   47.272586]  full_proxy_write+0x56/0x80

 5288 21:35:50.475722  # [   47.2988<1>[   48.144205] #PF: supervisor write access in kernel mode

 5289 21:35:50.481923  <1>[   48.171863] #PF: error_code(0x0003) - permissions violation

 5290 21:35:50.483635  62]  vfs_write+0xea/0x3b0

 5291 21:35:50.487241  # [   47.324616]  ksys_write+0x68/0xf0

 5292 21:35:50.491543  # [   47.350371]  do_syscall_64+0x33/0x40

 5293 21:35:50.496663  # [   47.376386]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5294 21:35:50.499826  # [   47.403877] RIP: 0033:0x7f11536b2473

 5295 21:35:50.510147  # [   47.429893] Code: 8b 15 21 2a 0e 00 f7<6>[   48.177700] PGD 1aa29067 P4D 1aa29067 PUD 1aa2a063 PMD 196001e1 

 5296 21:35:50.525735   d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5297 21:35:50.536137  # [   47.471076] RSP: 002b:00007ffc382dd678 EFLAGS: 00000246 ORIG_RAX: 0000000000<4>[   48.206139] Oops: 0003 [#15] SMP NOPTI

 5298 21:35:50.536930  000001

 5299 21:35:50.544539  # [   47.501081] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f11536b2473

 5300 21:35:50.551550  # [   47.530653] RDX: 0000000000000014 RSI: 00007f11535a6000 RDI: 0000000000000001

 5301 21:35:50.566887  # [   47.538036] RBP: 00007f11535a6000 R08: 00007f11535a5010 R09: 00000000000000<4>[   48.232332] CPU: 1 PID: 1961 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 5302 21:35:50.572712  <4>[   48.262503] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 5303 21:35:50.572796  00

 5304 21:35:50.580678  # [   47.567603] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5305 21:35:50.587263  # [   47.574987] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5306 21:35:50.599865  # [   47.604557] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cr<4>[   48.268681] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e

 5307 21:35:50.640527  os_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 cros_ec_dev videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify chromeos_pstore snd_soc_max98357<4>[   48.295728] Code: 53 48 c7 c3 67 66 84 90 49 89 dc 48 89 da 49 81 ec c0 e9 17 90 4c 89 e6 e8 dd d8 fb ff 48 89 df 4c 89 e1 48 c7 c6 c0 e9 17 90 <f3> a4 48 c7 c7 30 b7 a1 91 e8 c2 d8 fb ff 5b 41 5c e9 b7 fe ff ff

 5308 21:35:50.651602  a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table

 5309 21:35:50.654289  # [   47.652413] CR2: ffffffff91aa1350

 5310 21:35:50.659609  # [   47.655988] ---[ end trace 0e3e908715a0f2ff ]---

 5311 21:35:50.667982  # [   47.660862] RIP: 0010:lkdtm_BUG+0x5/0<4>[   48.336910] RSP: 0018:ffffb258c1f6fe50 EFLAGS: 00010246

 5312 21:35:50.675697  <4>[   48.364573] RAX: 000000000000003c RBX: ffffffff90846667 RCX: 00000000006c7ca7

 5313 21:35:50.677376  x10

 5314 21:35:50.694767  # [   47.665040] Code: 89 ff e8 4e c3 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 59 64 a8 00 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

 5315 21:35:50.706281  # [   47.684036] RSP: 0018:ffffb2<4>[   48.371956] RDX: 0000000000000000 RSI: ffffffff9017e9c0 RDI: ffffffff90846667

 5316 21:35:50.707893  58<c0c27e60 EFLAGS: 00010286

 5317 21:35:50.715169  # [   47.689514] RAX: ffffffff9017e5f0 RBX: 0000000000000001 RCX: 0000000000000000

 5318 21:35:50.722287  # [   47.696898] RDX: 0000000000000000 RSI: ffff91a2ead1bf50 RDI: ffffffff915942b0

 5319 21:35:50.736910  # [   47.704280] RBP: ffffffff91a7f050 R08: 0000000000000004>[   48.401522] RBP: ffffffff91a1a93a R08: 0000000000000000 R09: 0000000000000000

 5320 21:35:50.737005  1 R09: 0000000000000001

 5321 21:35:50.744210  # [   47.711663] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 5322 21:35:50.751867  # [   47.719046] R13: ffffb258c0c27f10 R14: ffffb258c0c27f10 R15: ffff91a2c3b54000

 5323 21:35:50.764531  # [   47.726430] FS:  00007f11537d9580(0000) GS:ffff91a2ead0000<4>[   48.431094] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000006c7ca7

 5324 21:35:50.767166  0(<0000) knlGS:0000000000000000

 5325 21:35:50.773023  # [   47.734766] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5326 21:35:50.780246  # [   47.740763] CR2: ffffffff91aa1350 CR3: 0000000105658000 CR4: 00000000001506e0

 5327 21:35:50.794272  # [   47.748148] BUG: sleeping function called from invalid context at i4>[   48.460662] R13: ffffb258c1f6ff10 R14: ffffb258c1f6ff10 R15: ffff91a2c3d68000

 5328 21:35:50.797192  nclude/linux/percpu-rwsem.h:49

 5329 21:35:50.804855  # [   47.757265] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1925, name: cat

 5330 21:35:50.808985  # [   47.765081] INFO: lockdep is turned off.

 5331 21:35:50.811938  # [   47.769258] irq event stamp: 0

 5332 21:35:50.824606  # [   47.772568] hardirqs last  enabled at (0): [<0<4>[   48.490233] FS:  00007faa3d49e580(0000) GS:ffff91a2ead00000(0000) knlGS:0000000000000000

 5333 21:35:50.827135  00<0000000000000>] 0x0

 5334 21:35:50.834728  # [   47.779088] hardirqs last disabled at (0): [<ffffffff8f6fddac>] copy_process+0x65c/0x20e0

 5335 21:35:50.843540  # [   47.787512] softirqs last  enabled at (0): [<ffffffff8f6fddac>] copy_process+0x65c/0x20e0

 5336 21:35:50.852988  # [   47.795935] softirqs last disabled a4>[   48.520756] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5337 21:35:50.855934  t <(0): [<0000000000000000>] 0x0

 5338 21:35:50.863529  # [   47.802453] CPU: 1 PID: 1925 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 5339 21:35:50.870910  # [   47.810441] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 5340 21:35:50.872048  # [   47.816610] Call Trace:

 5341 21:35:50.882138  # [   47.819319]  dump_stack+0x74>[   48.548940] CR2: ffffffff90846667 CR3: 0000000102fbe000 CR4: 00000000001506e0

 5342 21:35:50.884651  <4>[   48.578512] Call Trace:

 5343 21:35:50.885706  7/0x9b

 5344 21:35:50.890089  # [   47.822894]  ___might_sleep.cold+0xa6/0xb6

 5345 21:35:50.893737  # [   47.827249]  exit_signals+0x1c/0x300

 5346 21:35:50.897872  # [   47.831081]  do_exit+0xc2/0xab0

 5347 21:35:50.901376  # [   47.834479]  ? ksys_write+0x68/0xf0

 5348 21:35:50.904286  # [   47.838225]  make_task_dead+0x2f/0x30

 5349 21:35:50.910947  # [   47.842144]  rewind_stack_a<4>[   48.581226]  ? __die_body.cold+0x1a/0x1f

 5350 21:35:50.913508  nd_make_dead+0x17/0x20

 5351 21:35:50.916718  # [   47.847102] RIP: 0033:0x7f11536b2473

 5352 21:35:50.937023  # [   47.850934] 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<4>[   48.607582]  ? no_context+0x177/0x380

 5353 21:35:50.940330   48 83 ec 28 48 89 54 24 18

 5354 21:35:50.947596  # [   47.869931] RSP: 002b:00007ffc382dd678 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5355 21:35:50.954623  # [   47.877749] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f11536b2473

 5356 21:35:50.965214  # [   47.885133] RDX: 0000000000000014 RSI: 00007f1153<4>[   48.633682]  ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32

 5357 21:35:50.967270  5a6000 RDI: 0000000000000001

 5358 21:35:50.974654  # [   47.892516] RBP: 00007f11535a6000 R08: 00007f11535a5010 R09: 0000000000000000

 5359 21:35:50.981991  # [   47.899899] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5360 21:35:50.992092  # [   47.907282] R13: 0000000000000001 R14: 00000000000200<4>[   48.660997]  ? exc_page_fault+0xd7/0x170

 5361 21:35:50.993566  00 R15: 0000000000020000

 5362 21:35:51.004003  # [   47.914711] clocksource: Long readout interval, skipping watchdog check: cs_nsec: 1179237163 wd_nsec: 1179236606

 5363 21:35:51.007812  # WRITE_RO_AFTER_INIT: saw 'call trace:': ok

 5364 21:35:51.011856  ok 40 selftests: lkdtm: WRITE_RO_AFTER_INIT.sh

 5365 21:35:51.017771  # selftests: lkdt<4>[   48.687358]  ? asm_exc_page_fault+0x1e/0x30

 5366 21:35:51.019500  m: WRITE_KERN.sh

 5367 21:35:51.024130  <4>[   48.713980]  ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32

 5368 21:35:51.029708  <4>[   48.720670]  ? lkdtm_SLAB_FREE_PAGE+0x40/0x40

 5369 21:35:51.035827  <4>[   48.725281]  ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32

 5370 21:35:51.038290  <4>[   48.730414]  ? lkdtm_WRITE_KERN+0x38/0x4e

 5371 21:35:51.042304  <4>[   48.734680]  direct_entry.cold+0x2c/0x38

 5372 21:35:51.047266  <4>[   48.738862]  full_proxy_write+0x56/0x80

 5373 21:35:51.050543  <4>[   48.742957]  vfs_write+0xea/0x3b0

 5374 21:35:51.054595  <4>[   48.746527]  ksys_write+0x68/0xf0

 5375 21:35:51.058599  <4>[   48.750100]  do_syscall_64+0x33/0x40

 5376 21:35:51.062594  <4>[   48.753932]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5377 21:35:51.067255  <4>[   48.759238] RIP: 0033:0x7faa3d3aa473

 5378 21:35:51.086282  <4>[   48.763070] 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

 5379 21:35:51.093497  <4>[   48.782067] RSP: 002b:00007ffd1592f308 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5380 21:35:51.100914  <4>[   48.789886] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007faa3d3aa473

 5381 21:35:51.108024  <4>[   48.797271] RDX: 000000000000000b RSI: 00007faa3d29e000 RDI: 0000000000000001

 5382 21:35:51.116165  <4>[   48.804653] RBP: 00007faa3d29e000 R08: 00007faa3d29d010 R09: 0000000000000000

 5383 21:35:51.122992  <4>[   48.812038] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5384 21:35:51.130274  <4>[   48.819421] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5385 21:35:51.170684  <4>[   48.826810] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 cros_ec_dev videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify chromeos_pstore snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table

 5386 21:35:51.174064  <4>[   48.866736] CR2: ffffffff90846667

 5387 21:35:51.178750  <4>[   48.870307] ---[ end trace 0e3e908715a0f300 ]---

 5388 21:35:51.183174  <4>[   48.875179] RIP: 0010:lkdtm_BUG+0x5/0x10

 5389 21:35:51.201802  <4>[   48.879359] Code: 89 ff e8 4e c3 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 59 64 a8 00 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

 5390 21:35:51.208766  <4>[   48.898358] RSP: 0018:ffffb258c0c27e60 EFLAGS: 00010286

 5391 21:35:51.214617  <4>[   48.903836] RAX: ffffffff9017e5f0 RBX: 0000000000000001 RCX: 0000000000000000

 5392 21:35:51.222359  <4>[   48.911219] RDX: 0000000000000000 RSI: ffff91a2ead1bf50 RDI: ffffffff915942b0

 5393 21:35:51.230249  <4>[   48.918604] RBP: ffffffff91a7f050 R08: 0000000000000001 R09: 0000000000000001

 5394 21:35:51.238186  <4>[   48.925989] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 5395 21:35:51.244105  <4>[   48.933373] R13: ffffb258c0c27f10 R14: ffffb258c0c27f10 R15: ffff91a2c3b54000

 5396 21:35:51.253034  <4>[   48.940759] FS:  00007faa3d49e580(0000) GS:ffff91a2ead00000(0000) knlGS:0000000000000000

 5397 21:35:51.259021  <4>[   48.949098] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5398 21:35:51.266345  <4>[   48.955093] CR2: ffffffff90846667 CR3: 0000000102fbe000 CR4: 00000000001506e0

 5399 21:35:51.275685  <3>[   48.962480] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 5400 21:35:51.283188  <3>[   48.971596] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1961, name: cat

 5401 21:35:51.286927  <4>[   48.979415] INFO: lockdep is turned off.

 5402 21:35:51.291255  <4>[   48.983592] irq event stamp: 0

 5403 21:35:51.297029  <4>[   48.986900] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5404 21:35:51.305586  <4>[   48.993420] hardirqs last disabled at (0): [<ffffffff8f6fddac>] copy_process+0x65c/0x20e0

 5405 21:35:51.313890  <4>[   49.001846] softirqs last  enabled at (0): [<ffffffff8f6fddac>] copy_process+0x65c/0x20e0

 5406 21:35:51.320469  <4>[   49.010271] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5407 21:35:51.328240  <4>[   49.016791] CPU: 1 PID: 1961 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 5408 21:35:51.335240  <4>[   49.024780] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 5409 21:35:51.338201  <4>[   49.030949] Call Trace:

 5410 21:35:51.341484  <4>[   49.033659]  dump_stack+0x77/0x9b

 5411 21:35:51.345611  <4>[   49.037231]  ___might_sleep.cold+0xa6/0xb6

 5412 21:35:51.349325  <4>[   49.041585]  exit_signals+0x1c/0x300

 5413 21:35:51.353408  <4>[   49.045416]  do_exit+0xc2/0xab0

 5414 21:35:51.355894  <4>[   49.048816]  ? ksys_write+0x68/0xf0

 5415 21:35:51.361527  <4>[   49.052560]  ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32

 5416 21:35:51.365115  <4>[   49.057691]  make_task_dead+0x2f/0x30

 5417 21:35:51.370320  <4>[   49.061612]  rewind_stack_and_make_dead+0x17/0x20

 5418 21:35:51.374438  <4>[   49.066570] RIP: 0033:0x7faa3d3aa473

 5419 21:35:51.393153  <4>[   49.070400] 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

 5420 21:35:51.401263  <4>[   49.089396] RSP: 002b:00007ffd1592f308 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5421 21:35:51.408076  <4>[   49.097217] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007faa3d3aa473

 5422 21:35:51.415493  <4>[   49.104602] RDX: 000000000000000b RSI: 00007faa3d29e000 RDI: 0000000000000001

 5423 21:35:51.423253  <4>[   49.111983] RBP: 00007faa3d29e000 R08: 00007faa3d29d010 R09: 0000000000000000

 5424 21:35:51.430040  <4>[   49.119369] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5425 21:35:51.437636  <4>[   49.126752] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5426 21:35:51.685539  <6>[   49.375398] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW

 5427 21:35:51.686301  # Killed

 5428 21:35:51.691565  # [   48.068002] lkdtm: Performing direct entry WRITE_KERN

 5429 21:35:51.698220  # [   48.085768] lkdtm: attempting bad 7109799 byte write at ffffffff90846667

 5430 21:35:51.705440  # [   48.114927] BUG: unable to handle page fault for address: ffffffff90846667

 5431 21:35:51.714206  # [   48.144205] #PF: supe<6>[   49.381673] lkdtm: attempting good refcount_inc() without overflow

 5432 21:35:51.717554  rvisor write access in kernel mode

 5433 21:35:51.722371  # [   48.171863] #PF: error_code(0x0003) - permissions violation

 5434 21:35:51.729191  # [   48.177700] PGD 1aa29067 P4D 1aa29067 PUD 1aa2a063 PMD 196001e1 

 5435 21:35:51.732833  # [   48.206139] Oops: 0003 [#15] SMP NOPTI

 5436 21:35:51.741670  # [   48.232332] CPU: 1 PID: 1961 Comm<6>[   49.410305] lkdtm: attempting bad refcount_inc() overflow

 5437 21:35:51.746022  : cat Tainted: G      D W         5.10.212-cip44 #1

 5438 21:35:51.752314  # [   48.262503] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 5439 21:35:51.757009  # [   48.268681] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e

 5440 21:35:51.769332  # [   48.295728] Code: 53 48 c7 c3 67 66 84 90 49 89 dc 48 89 da 49 81 ec c0 e<4>[   49.438151] ------------[ cut here ]------------

 5441 21:35:51.781138  9 17 90 4c 89 e6 e8 dd d8 fb ff 48 89 df 4c 89 e1 48 c7 c6 c0 e9 17 90 <f3> a4 48 c7 c7 30 b7 a1 91 e8 c2 d8 fb ff 5b 41 5c e9 b7 fe ff ff

 5442 21:35:51.786703  # [   48.336910] RSP: 0018:ffffb258c1f6fe50 EFLAGS: 00010246

 5443 21:35:51.795941  # [   48.364573] RAX: 000000000000003c RBX: ffffffff90<4>[   49.465184] refcount_t: saturated; leaking memory.

 5444 21:35:51.798834  846667 RCX: 00000000006c7ca7

 5445 21:35:51.806078  # [   48.371956] RDX: 0000000000000000 RSI: ffffffff9017e9c0 RDI: ffffffff90846667

 5446 21:35:51.813678  # [   48.401522] RBP: ffffffff91a1a93a R08: 0000000000000000 R09: 0000000000000000

 5447 21:35:51.826707  # [   48.431094] R10: 00000000ffffe000 R11: 3fffffffffffff<4>[   49.492457] WARNING: CPU: 1 PID: 1997 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110

 5448 21:35:51.829930  ff R12: 00000000006c7ca7

 5449 21:35:51.836323  # [   48.460662] R13: ffffb258c1f6ff10 R14: ffffb258c1f6ff10 R15: ffff91a2c3d68000

 5450 21:35:51.845533  # [   48.490233] FS:  00007faa3d49e580(0000) GS:ffff91a2ead00000(0000) knlGS:0000000000000000

 5451 21:35:51.889564  # [   48.520756] CS:  0010 DS: 0000 ES: 0000 CR0: 0<4>[   49.523282] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 cros_ec_dev videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify chromeos_pstore snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table

 5452 21:35:51.890280  000000080050033

 5453 21:35:51.898861  # [   48.548940] CR2: ffffffff90846667 CR3: 0000000102fbe000 CR4: 00000000001506e0

 5454 21:35:51.900421  # [   48.578512] Call Trace:

 5455 21:35:51.904669  # [   48.581226]  ? __die_body.cold+0x1a/0x1f

 5456 21:35:51.907916  # [   48.607582]  ? no_context+0x177/0x380

 5457 21:35:51.919578  # [   48.633682]  ? lkdtm_SLAB_FRE<4>[   49.585391] CPU: 1 PID: 1997 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 5458 21:35:51.921943  E_CROSS.cold+0x32/0x32

 5459 21:35:51.926163  # [   48.660997]  ? exc_page_fault+0xd7/0x170

 5460 21:35:51.929838  # [   48.687358]  ? asm_exc_page_fault+0x1e/0x30

 5461 21:35:51.935322  # [   48.713980]  ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32

 5462 21:35:51.939105  # [   48.720670]  ? lkdtm_SLAB_FREE_PAGE+0x40/0x40

 5463 21:35:51.949303  # [   48.725281]  ? lkdtm<4>[   49.615545] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 5464 21:35:51.950167  _SLAB_FREE_CROSS.cold+0x32/0x32

 5465 21:35:51.954351  # [   48.730414]  ? lkdtm_WRITE_KERN+0x38/0x4e

 5466 21:35:51.959760  # [   48.734680]  direct_entry.cold+0x2c/0x38

 5467 21:35:51.962331  # [   48.738862]  full_proxy_write+0x56/0x80

 5468 21:35:51.967858  # [   48.742957]  vfs_write+0xea/0x3b0

 5469 21:35:51.969544  # [   48.746527]  ksys_write+0x68/0xf0

 5470 21:35:51.974995  # <4>[   49.643904] RIP: 0010:refcount_warn_saturate+0x51/0x110

 5471 21:35:51.979472  [   48.750100]  do_syscall_64+0x33/0x40

 5472 21:35:51.984313  # [   48.753932]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5473 21:35:51.988272  # [   48.759238] RIP: 0033:0x7faa3d3aa473

 5474 21:35:52.016267  # [   48.763070] 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<4>[   49.671566] Code: 84 bc 00 00 00 e9 2f a2 04 01 85 f6 74 46 80 3d 4b cd 36 02 00 75 ee 48 c7 c7 a0 53 97 91 c6 05 3b cd 36 02 01 e8 81 3e c4 00 <0f> 0b e9 08 a2 04 01 80 3d 27 cd 36 02 00 75 cb 48 c7 c7 c8 53 97

 5475 21:35:52.025624   00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5476 21:35:52.033870  # [   48.782067] RSP: 002b:00007ffd1592f308 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5477 21:35:52.043836  # [   48.789886] RAX: ffffffffffffffda RBX: 000000000000000b <4>[   49.712854] RSP: 0018:ffffb258c1ff7e48 EFLAGS: 00010286

 5478 21:35:52.046446  RCX: 00007faa3d3aa473

 5479 21:35:52.053669  # [   48.797271] RDX: 000000000000000b RSI: 00007faa3d29e000 RDI: 0000000000000001

 5480 21:35:52.060336  # [   48.804653] RBP: 00007faa3d29e000 R08: 00007faa3d29d010 R09: 0000000000000000

 5481 21:35:52.074715  # [   48.812038] R10: fffffffffffffbc5 R11: 0000000000000246 R12:<4>[   49.740535] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000

 5482 21:35:52.075130   0000000000000001

 5483 21:35:52.083363  # [   48.819421] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5484 21:35:52.103821  # [   48.826810] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger gs<4>[   49.769998] RDX: ffff91a2ead2c620 RSI: ffff91a2ead1bf50 RDI: ffff91a2ead1bf50

 5485 21:35:52.132474  mi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 cros_ec_dev videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify chromeos_pstore snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma snd_soc_core snd_comp<4>[   49.799635] RBP: ffffffff91a1a945 R08: 0000000000000000 R09: 0000000000000000

 5486 21:35:52.136962  ress snd_pcm_dmaengine regmap_i2c coreboot_table

 5487 21:35:52.141847  # [   48.866736] CR2: ffffffff90846667

 5488 21:35:52.146488  # [   48.870307] ---[ end trace 0e3e908715a0f300 ]---

 5489 21:35:52.149784  # [   48.875179] RIP: 0010:lkdtm_BUG+0x5/0x10

 5490 21:35:52.161983  # [   48.879359] Code: 89 ff e8 4e c3 79 ff 48 c7 c0 ea ff ff ff<4>[   49.829224] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016

 5491 21:35:52.176948   eb de 48 c7 c0 ea ff ff ff e9 59 64 a8 00 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

 5492 21:35:52.181628  # [   48.898358] RSP: 0018:ffffb258c0c27e60 EFLAGS: 00010286

 5493 21:35:52.192601  # [   48.903836] RAX: ffffffff9017e5f0 R<4>[   49.858733] R13: ffffb258c1ff7f10 R14: ffffb258c1ff7f10 R15: ffff91a2c368f000

 5494 21:35:52.196443  BX: 0000000000000001 RCX: 0000000000000000

 5495 21:35:52.204274  # [   48.911219] RDX: 0000000000000000 RSI: ffff91a2ead1bf50 RDI: ffffffff915942b0

 5496 21:35:52.218239  # [   48.918604] RBP: ffffffff91a7f050 R08: 0000000000000001 R09: 0000000000000001<4>[   49.888282] FS:  00007f795b609580(0000) GS:ffff91a2ead00000(0000) knlGS:0000000000000000

 5497 21:35:52.218894  

 5498 21:35:52.231537  # [   48.925989] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004<4>[   49.914818] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5499 21:35:52.231937  

 5500 21:35:52.239811  # [   48.933373] R13: ffffb258c0c27f10 R14: ffffb258c0c27f10 R15: ffff91a2c3b54000

 5501 21:35:52.254278  # [   48.940759] FS:  00007faa3d49e580(0000) GS:ffff91a2ead00000(0000) knlGS:0000000000000000<4>[   49.928105] CR2: 00007f795b3d6000 CR3: 0000000104724000 CR4: 00000000001506e0

 5502 21:35:52.254689  

 5503 21:35:52.257504  <4>[   49.951026] Call Trace:

 5504 21:35:52.263631  # [   48.949098] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5505 21:35:52.270930  # [   48.955093] CR2: ffffffff90846667 CR3: 0000000102fbe000 CR4: 00000000001506e0

 5506 21:35:52.280218  # [   48.962480] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 5507 21:35:52.283276  <4>[   49.953906]  ? __warn+0x80/0x110

 5508 21:35:52.291186  # [   48.971596] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1961, name: cat

 5509 21:35:52.294930  # [   48.979415] INFO: lockdep is turned off.

 5510 21:35:52.298538  # [   48.983592] irq event stamp: 0

 5511 21:35:52.304762  # [   48.986900] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5512 21:35:52.310563  # [   48.<4>[   49.979581]  ? refcount_warn_saturate+0x51/0x110

 5513 21:35:52.318990  993420] hardirqs last disabled at (0): [<ffffffff8f6fddac>] copy_process+0x65c/0x20e0

 5514 21:35:52.326672  # [   49.001846] softirqs last  enabled at (0): [<ffffffff8f6fddac>] copy_process+0x65c/0x20e0

 5515 21:35:52.332620  # [   49.010271] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5516 21:35:52.336306  <4>[   50.006636]  ? report_bug+0x9e/0xc0

 5517 21:35:52.336419  

 5518 21:35:52.344505  # [   49.016791] CPU: 1 PID: 1961 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 5519 21:35:52.350332  # [   49.024780] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 5520 21:35:52.352867  # [   49.030949] Call Trace:

 5521 21:35:52.356238  # [   49.033659]  dump_stack+0x77/0x9b

 5522 21:35:52.361926  # [   49.037231]  ___mig<4>[   50.032617]  ? handle_bug+0x41/0x90

 5523 21:35:52.364212  ht_sleep.cold+0xa6/0xb6

 5524 21:35:52.367934  # [   49.041585]  exit_signals+0x1c/0x300

 5525 21:35:52.370956  # [   49.045416]  do_exit+0xc2/0xab0

 5526 21:35:52.374941  # [   49.048816]  ? ksys_write+0x68/0xf0

 5527 21:35:52.379895  # [   49.052560]  ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32

 5528 21:35:52.383955  # [   49.057691]  make_task_dead+0x2f/0x30

 5529 21:35:52.388737  # [   <4>[   50.058526]  ? exc_invalid_op+0x14/0x70

 5530 21:35:52.392836  49.061612]  rewind_stack_and_make_dead+0x17/0x20

 5531 21:35:52.396553  # [   49.066570] RIP: 0033:0x7faa3d3aa473

 5532 21:35:52.415010  # [   49.070400] 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 <4>[   50.084801]  ? asm_exc_invalid_op+0x12/0x20

 5533 21:35:52.420042  ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5534 21:35:52.427336  # [   49.089396] RSP: 002b:00007ffd1592f308 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5535 21:35:52.439570  # [   49.097217] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007faa3d3aa473<4>[   50.111461]  ? refcount_warn_saturate+0x51/0x110

 5536 21:35:52.440667  

 5537 21:35:52.447213  # [   49.104602] RDX: 000000000000000b RSI: 00007faa3d29e000 RDI: 0000000000000001

 5538 21:35:52.454302  # [   49.111983] RBP: 00007faa3d29e000 R08: 00007faa3d29d010 R09: 0000000000000000

 5539 21:35:52.461938  # [   49.119369] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5540 21:35:52.466579  # <4>[   50.135848]  ? refcount_warn_saturate+0x51/0x110

 5541 21:35:52.473796  [   49.126752] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5542 21:35:52.476798  # WRITE_KERN: saw 'call trace:': ok

 5543 21:35:52.480192  ok 41 selftests: lkdtm: WRITE_KERN.sh

 5544 21:35:52.484734  # selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh

 5545 21:35:52.489059  <4>[   50.162952]  lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98

 5546 21:35:52.493381  <4>[   50.185634]  direct_entry.cold+0x2c/0x38

 5547 21:35:52.497923  <4>[   50.189866]  full_proxy_write+0x56/0x80

 5548 21:35:52.500825  <4>[   50.193988]  vfs_write+0xea/0x3b0

 5549 21:35:52.504707  <4>[   50.197618]  ksys_write+0x68/0xf0

 5550 21:35:52.508340  <4>[   50.201216]  do_syscall_64+0x33/0x40

 5551 21:35:52.514089  <4>[   50.205087]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5552 21:35:52.518877  <4>[   50.210419] RIP: 0033:0x7f795b4e2473

 5553 21:35:52.536860  <4>[   50.214261] 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

 5554 21:35:52.544707  <4>[   50.233263] RSP: 002b:00007ffd790b59a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5555 21:35:52.552952  <4>[   50.241111] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f795b4e2473

 5556 21:35:52.559757  <4>[   50.248511] RDX: 0000000000000016 RSI: 00007f795b3d6000 RDI: 0000000000000001

 5557 21:35:52.566831  <4>[   50.255900] RBP: 00007f795b3d6000 R08: 00007f795b3d5010 R09: 0000000000000000

 5558 21:35:52.574247  <4>[   50.263288] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5559 21:35:52.581961  <4>[   50.270701] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5560 21:35:52.585091  <4>[   50.278103] irq event stamp: 0

 5561 21:35:52.591970  <4>[   50.281421] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5562 21:35:52.599949  <4>[   50.287949] hardirqs last disabled at (0): [<ffffffff8f6fddac>] copy_process+0x65c/0x20e0

 5563 21:35:52.608983  <4>[   50.296381] softirqs last  enabled at (0): [<ffffffff8f6fddac>] copy_process+0x65c/0x20e0

 5564 21:35:52.615412  <4>[   50.304827] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5565 21:35:52.619645  <4>[   50.311351] ---[ end trace 0e3e908715a0f301 ]---

 5566 21:35:52.624342  <6>[   50.316230] lkdtm: Overflow detected: saturated

 5567 21:35:52.657684  # [   49.375398] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW

 5568 21:35:52.664308  # [   49.381673] lkdtm: attempting good refcount_inc() without overflow

 5569 21:35:52.669082  # [   49.410305] lkdtm: attempting bad refcount_inc() overflow

 5570 21:35:52.674895  # [   49.438151] ------------[ cut here ]------------

 5571 21:35:52.678544  # [   49.465184] refcount_t: saturated; leaking memory.

 5572 21:35:52.688920  # [   49.492457] WARNING: CPU: 1 PID: 1997 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110

 5573 21:35:52.727128  # [   49.523282] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 cros_ec_dev videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify chromeos_pstore snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table

 5574 21:35:52.735592  # [   49.585391] CPU: 1 PID: 1997 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 5575 21:35:52.741232  # [   49.615545] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 5576 21:35:52.746700  # [   49.643904] RIP: 0010:refcount_warn_saturate+0x51/0x110

 5577 21:35:52.768551  # [   49.671566] Code: 84 bc 00 00 00 e9 2f a2 04 01 85 f6 74 46 80 3d 4b cd 36 02 00 75 ee 48 c7 c7 a0 53 97 91 c6 05 3b cd 36 02 01 e8 81 3e c4 00 <0f> 0b e9 08 a2 04 01 80 3d 2<6>[   50.448882] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW

 5578 21:35:52.771509  7 cd 36 02 00 75 cb 48 c7 c7 c8 53 97

 5579 21:35:52.777160  # [   49.712854] RSP: 0018:ffffb258c1ff7e48 EFLAGS: 00010286

 5580 21:35:52.784643  # [   49.740535] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000

 5581 21:35:52.796758  # [   49.769998] RDX: ffff91a2ead2c620 RSI: ffff91a2ead1bf50 RDI: ffff9<6>[   50.464727] lkdtm: attempting good refcount_add() without overflow

 5582 21:35:52.798663  1a2ead1bf50

 5583 21:35:52.805705  # [   49.799635] RBP: ffffffff91a1a945 R08: 0000000000000000 R09: 0000000000000000

 5584 21:35:52.813058  # [   49.829224] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016

 5585 21:35:52.825383  # [   49.858733] R13: ffffb258c1ff7f10 R14: ffffb258c1ff7f10 R15: ffff91a2c<6>[   50.493351] lkdtm: attempting bad refcount_add() overflow

 5586 21:35:52.825777  368f000

 5587 21:35:52.834340  # [   49.888282] FS:  00007f795b609580(0000) GS:ffff91a2ead00000(0000) knlGS:0000000000000000

 5588 21:35:52.840012  # [   49.914818] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5589 21:35:52.846872  # [   49.928105] CR2: 00007f795b3d6000 CR3: 0000000104724000 CR4: 00000000001506e0

 5590 21:35:52.852023  <4>[   50.521209] ------------[ cut here ]------------

 5591 21:35:52.854649  # [   49.951026] Call Trace:

 5592 21:35:52.859167  # [   49.953906]  ? __warn+0x80/0x110

 5593 21:35:52.862850  # [   49.979581]  ? refcount_warn_saturate+0x51/0x110

 5594 21:35:52.866417  # [   50.006636]  ? report_bug+0x9e/0xc0

 5595 21:35:52.869969  # [   50.032617]  ? handle_bug+0x41/0x90

 5596 21:35:52.874728  # [   50.058526]  ? exc_invalid_op+0x14/0x70

 5597 21:35:52.879244  # <4>[   50.548256] refcount_t: saturated; leaking memory.

 5598 21:35:52.883898  [   50.084801]  ? asm_exc_invalid_op+0x12/0x20

 5599 21:35:52.888238  # [   50.111461]  ? refcount_warn_saturate+0x51/0x110

 5600 21:35:52.892809  # [   50.135848]  ? refcount_warn_saturate+0x51/0x110

 5601 21:35:52.898722  # [   50.162952]  lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98

 5602 21:35:52.910244  # [   50.185634]  direct_entry.cold+0x2c/<4>[   50.575610] WARNING: CPU: 1 PID: 2030 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110

 5603 21:35:52.911715  0x38

 5604 21:35:52.914559  # [   50.189866]  full_proxy_write+0x56/0x80

 5605 21:35:52.917846  # [   50.193988]  vfs_write+0xea/0x3b0

 5606 21:35:52.921114  # [   50.197618]  ksys_write+0x68/0xf0

 5607 21:35:52.925286  # [   50.201216]  do_syscall_64+0x33/0x40

 5608 21:35:52.930623  # [   50.205087]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5609 21:35:52.971911  # [   50.210419] RIP:<4>[   50.606404] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 cros_ec_dev videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify chromeos_pstore snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table

 5610 21:35:52.973890   0033:0x7f795b4e2473

 5611 21:35:52.993315  # [   50.214261] 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

 5612 21:35:53.002395  # [   50.233263]<4>[   50.668438] CPU: 1 PID: 2030 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 5613 21:35:53.008364   RSP: 002b:00007ffd790b59a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5614 21:35:53.015931  # [   50.241111] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f795b4e2473

 5615 21:35:53.023370  # [   50.248511] RDX: 0000000000000016 RSI: 00007f795b3d6000 RDI: 0000000000000001

 5616 21:35:53.030552  # [   50.255900<4>[   50.698616] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 5617 21:35:53.036794  ] RBP: 00007f795b3d6000 R08: 00007f795b3d5010 R09: 0000000000000000

 5618 21:35:53.043641  # [   50.263288] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5619 21:35:53.051339  # [   50.270701] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5620 21:35:53.058673  # [   50.278103] ir<4>[   50.726970] RIP: 0010:refcount_warn_saturate+0x51/0x110

 5621 21:35:53.061906  q event stamp: 0

 5622 21:35:53.066138  # [   50.281421] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5623 21:35:53.075119  # [   50.287949] hardirqs last disabled at (0): [<ffffffff8f6fddac>] copy_process+0x65c/0x20e0

 5624 21:35:53.099416  # [   50.296381] softirqs last  enabled at (0): [<ffffffff8f6fddac>]<4>[   50.754645] Code: 84 bc 00 00 00 e9 2f a2 04 01 85 f6 74 46 80 3d 4b cd 36 02 00 75 ee 48 c7 c7 a0 53 97 91 c6 05 3b cd 36 02 01 e8 81 3e c4 00 <0f> 0b e9 08 a2 04 01 80 3d 27 cd 36 02 00 75 cb 48 c7 c7 c8 53 97

 5625 21:35:53.101688   copy_process+0x65c/0x20e0

 5626 21:35:53.108195  # [   50.304827] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5627 21:35:53.112873  # [   50.311351] ---[ end trace 0e3e908715a0f301 ]---

 5628 21:35:53.118033  # [   50.316230] lkdtm: Overflow detected: saturated

 5629 21:35:53.127004  # REFCOUNT_INC_OVERFLOW: saw 'call trace:': o<4>[   50.795843] RSP: 0018:ffffb258c407fe48 EFLAGS: 00010286

 5630 21:35:53.127311  k

 5631 21:35:53.132173  ok 42 selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh

 5632 21:35:53.135968  # selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh

 5633 21:35:53.142937  <4>[   50.823497] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000

 5634 21:35:53.150738  <4>[   50.839488] RDX: ffff91a2ead2c620 RSI: ffff91a2ead1bf50 RDI: ffff91a2ead1bf50

 5635 21:35:53.157860  <4>[   50.846963] RBP: ffffffff91a1a95b R08: 0000000000000000 R09: 0000000000000000

 5636 21:35:53.165187  <4>[   50.854396] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016

 5637 21:35:53.173316  <4>[   50.861828] R13: ffffb258c407ff10 R14: ffffb258c407ff10 R15: ffff91a2c2fa6000

 5638 21:35:53.181153  <4>[   50.869257] FS:  00007f43467d53c0(0000) GS:ffff91a2ead00000(0000) knlGS:0000000000000000

 5639 21:35:53.187118  <4>[   50.877649] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5640 21:35:53.194400  <4>[   50.883707] CR2: 00007f43465a6000 CR3: 0000000103430000 CR4: 00000000001506e0

 5641 21:35:53.197291  <4>[   50.891184] Call Trace:

 5642 21:35:53.201014  <4>[   50.894034]  ? __warn+0x80/0x110

 5643 21:35:53.205813  <4>[   50.897582]  ? refcount_warn_saturate+0x51/0x110

 5644 21:35:53.209714  <4>[   50.902542]  ? report_bug+0x9e/0xc0

 5645 21:35:53.213676  <4>[   50.906374]  ? handle_bug+0x41/0x90

 5646 21:35:53.217758  <4>[   50.910204]  ? exc_invalid_op+0x14/0x70

 5647 21:35:53.222430  <4>[   50.914382]  ? asm_exc_invalid_op+0x12/0x20

 5648 21:35:53.227402  <4>[   50.918931]  ? refcount_warn_saturate+0x51/0x110

 5649 21:35:53.232261  <4>[   50.923910]  ? refcount_warn_saturate+0x51/0x110

 5650 21:35:53.237519  <4>[   50.928889]  lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7

 5651 21:35:53.241738  <4>[   50.934025]  direct_entry.cold+0x2c/0x38

 5652 21:35:53.245906  <4>[   50.938289]  full_proxy_write+0x56/0x80

 5653 21:35:53.249664  <4>[   50.942478]  vfs_write+0xea/0x3b0

 5654 21:35:53.253142  <4>[   50.946109]  ksys_write+0x68/0xf0

 5655 21:35:53.256926  <4>[   50.949739]  do_syscall_64+0x33/0x40

 5656 21:35:53.262877  <4>[   50.953607]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5657 21:35:53.266265  <4>[   50.958929] RIP: 0033:0x7f43466b2473

 5658 21:35:53.285393  <4>[   50.962764] 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

 5659 21:35:53.293036  <4>[   50.981787] RSP: 002b:00007fff17c53e48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5660 21:35:53.301315  <4>[   50.989618] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f43466b2473

 5661 21:35:53.308097  <4>[   50.997011] RDX: 0000000000000016 RSI: 00007f43465a6000 RDI: 0000000000000001

 5662 21:35:53.315556  <4>[   51.004419] RBP: 00007f43465a6000 R08: 00007f43465a5010 R09: 0000000000000000

 5663 21:35:53.323235  <4>[   51.011810] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5664 21:35:53.330453  <4>[   51.019200] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5665 21:35:53.333818  <4>[   51.026598] irq event stamp: 0

 5666 21:35:53.340148  <4>[   51.029924] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5667 21:35:53.348885  <4>[   51.036495] hardirqs last disabled at (0): [<ffffffff8f6fddac>] copy_process+0x65c/0x20e0

 5668 21:35:53.357085  <4>[   51.044935] softirqs last  enabled at (0): [<ffffffff8f6fddac>] copy_process+0x65c/0x20e0

 5669 21:35:53.364321  <4>[   51.053380] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5670 21:35:53.368387  <4>[   51.059902] ---[ end trace 0e3e908715a0f302 ]---

 5671 21:35:53.372814  <6>[   51.064781] lkdtm: Overflow detected: saturated

 5672 21:35:53.408065  # [   50.448882] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW

 5673 21:35:53.415010  # [   50.464727] lkdtm: attempting good refcount_add() without overflow

 5674 21:35:53.420386  # [   50.493351] lkdtm: attempting bad refcount_add() overflow

 5675 21:35:53.425052  # [   50.521209] ------------[ cut here ]------------

 5676 21:35:53.429890  # [   50.548256] refcount_t: saturated; leaking memory.

 5677 21:35:53.439183  # [   50.575610] WARNING: CPU: 1 PID: 2030 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110

 5678 21:35:53.477780  # [   50.606404] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 cros_ec_dev videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify chromeos_pstore snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table

 5679 21:35:53.486671  # [   50.668438] CPU: 1 PID: 2030 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 5680 21:35:53.492928  # [   50.698616] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 5681 21:35:53.498071  # [   50.726970] RIP: 0010:refcount_warn_saturate+0x51/0x110

 5682 21:35:53.516518  # [   50.754645] Code: 84 bc 00 00 00 e9 2f a2 04 01 85 f6 74 46 80 3d 4b cd 36 02 00 75 ee 48 c7 c7 a0 53 97 91 c6 05 3b cd 36 02 01 e8 81 3e c4 00 <0f> 0b e9 08 a2 04 01 80 3d 27 cd 36 02 00 75 cb 48 c7 c7 c8 53 97

 5683 21:35:53.525237  # [   50.795843] RSP:<6>[   51.201060] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW

 5684 21:35:53.528597   0018:ffffb258c407fe48 EFLAGS: 00010286

 5685 21:35:53.536088  # [   50.823497] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000

 5686 21:35:53.543642  # [   50.839488] RDX: ffff91a2ead2c620 RSI: ffff91a2ead1bf50 RDI: ffff91a2ead1bf50

 5687 21:35:53.553874  # [   50.846963] RBP: ffffffff91a1a95b R08: 000<6>[   51.221504] lkdtm: attempting bad refcount_inc_not_zero() overflow

 5688 21:35:53.557174  0000000000000 R09: 0000000000000000

 5689 21:35:53.564144  # [   50.854396] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016

 5690 21:35:53.571881  # [   50.861828] R13: ffffb258c407ff10 R14: ffffb258c407ff10 R15: ffff91a2c2fa6000

 5691 21:35:53.580558  # [   50.869257] FS:  00007f43467d53c0(0000) GS:fff<4>[   51.250146] ------------[ cut here ]------------

 5692 21:35:53.584533  f91a2ead00000(0000) knlGS:0000000000000000

 5693 21:35:53.590794  # [   50.877649] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5694 21:35:53.597793  # [   50.883707] CR2: 00007f43465a6000 CR3: 0000000103430000 CR4: 00000000001506e0

 5695 21:35:53.600671  # [   50.891184] Call Trace:

 5696 21:35:53.608585  # [   50.894034]  ? __warn+0x8<4>[   51.277224] refcount_t: saturated; leaking memory.

 5697 21:35:53.608688  0/0x110

 5698 21:35:53.613315  # [   50.897582]  ? refcount_warn_saturate+0x51/0x110

 5699 21:35:53.617530  # [   50.902542]  ? report_bug+0x9e/0xc0

 5700 21:35:53.622099  # [   50.906374]  ? handle_bug+0x41/0x90

 5701 21:35:53.625184  # [   50.910204]  ? exc_invalid_op+0x14/0x70

 5702 21:35:53.629307  # [   50.914382]  ? asm_exc_invalid_op+0x12/0x20

 5703 21:35:53.639319  # [   50.918<4>[   51.304608] WARNING: CPU: 1 PID: 2063 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110

 5704 21:35:53.642561  931]  ? refcount_warn_saturate+0x51/0x110

 5705 21:35:53.647977  # [   50.923910]  ? refcount_warn_saturate+0x51/0x110

 5706 21:35:53.653720  # [   50.928889]  lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7

 5707 21:35:53.657178  # [   50.934025]  direct_entry.cold+0x2c/0x38

 5708 21:35:53.660096  # [   50.938289]  full_proxy_write+0x56/0x80

 5709 21:35:53.700965  # [   50<4>[   51.335353] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 cros_ec_dev videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify chromeos_pstore snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table

 5710 21:35:53.703691  .942478]  vfs_write+0xea/0x3b0

 5711 21:35:53.707301  # [   50.946109]  ksys_write+0x68/0xf0

 5712 21:35:53.710743  # [   50.949739]  do_syscall_64+0x33/0x40

 5713 21:35:53.716219  # [   50.953607]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5714 21:35:53.720062  # [   50.958929] RIP: 0033:0x7f43466b2473

 5715 21:35:53.732375  # [   50.962764] Code: 8b 15 21 2a 0e <4>[   51.397406] CPU: 1 PID: 2063 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 5716 21:35:53.747006  00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5717 21:35:53.759928  # [   50.981787] RSP: 002b:00007fff17c53e48 EFLAGS: 00000246 ORIG_RAX: 00000<4>[   51.427562] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 5718 21:35:53.760840  00000000001

 5719 21:35:53.768278  # [   50.989618] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f43466b2473

 5720 21:35:53.774850  # [   50.997011] RDX: 0000000000000016 RSI: 00007f43465a6000 RDI: 0000000000000001

 5721 21:35:53.786990  # [   51.004419] RBP: 00007f43465a6000 R08: 00007f43465a5010 R09: 000000000<4>[   51.455908] RIP: 0010:refcount_warn_saturate+0x97/0x110

 5722 21:35:53.789028  0000000

 5723 21:35:53.795544  # [   51.011810] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5724 21:35:53.802893  # [   51.019200] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5725 21:35:53.806554  # [   51.026598] irq event stamp: 0

 5726 21:35:53.828799  # [   51.029924] hardirqs last  enabled at<4>[   51.483591] Code: 02 01 e8 5e 3e c4 00 0f 0b e9 e5 a1 04 01 80 3d 06 cd 36 02 00 75 a8 48 c7 c7 a0 53 97 91 c6 05 f6 cc 36 02 01 e8 3b 3e c4 00 <0f> 0b e9 c2 a1 04 01 80 3d e0 cc 36 02 00 75 85 48 c7 c7 f8 53 97

 5727 21:35:53.830875   (0): [<0000000000000000>] 0x0

 5728 21:35:53.839587  # [   51.036495] hardirqs last disabled at (0): [<ffffffff8f6fddac>] copy_process+0x65c/0x20e0

 5729 21:35:53.848191  # [   51.044935] softirqs last  enabled at (0): [<ffffffff8f6fddac>] copy_process+0x65c/0x20e0

 5730 21:35:53.856184  # [   51.053380] softirqs last d<4>[   51.524757] RSP: 0018:ffffb258c40ffe38 EFLAGS: 00010282

 5731 21:35:53.861094  isabled at (0): [<0000000000000000>] 0x0

 5732 21:35:53.864401  # [   51.059902] ---[ end trace 0e3e908715a0f302 ]---

 5733 21:35:53.869320  # [   51.064781] lkdtm: Overflow detected: saturated

 5734 21:35:53.873086  # REFCOUNT_ADD_OVERFLOW: saw 'call trace:': ok

 5735 21:35:53.878076  ok 43 selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh

 5736 21:35:53.885905  # selft<4>[   51.552447] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000

 5737 21:35:53.889680  ests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh

 5738 21:35:53.896888  <4>[   51.582028] RDX: ffff91a2ead2c620 RSI: ffff91a2ead1bf50 RDI: ffff91a2ead1bf50

 5739 21:35:53.904377  <4>[   51.593579] RBP: ffffffff91a1a598 R08: 0000000000000000 R09: 0000000000000000

 5740 21:35:53.911989  <4>[   51.601019] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f

 5741 21:35:53.919230  <4>[   51.608483] R13: ffffb258c40fff10 R14: ffffb258c40fff10 R15: ffff91a2c5cb6000

 5742 21:35:53.927889  <4>[   51.615932] FS:  00007ffba1f08580(0000) GS:ffff91a2ead00000(0000) knlGS:0000000000000000

 5743 21:35:53.933809  <4>[   51.624334] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5744 21:35:53.941246  <4>[   51.630399] CR2: 00007ffba1cd6000 CR3: 00000001035b6000 CR4: 00000000001506e0

 5745 21:35:53.944139  <4>[   51.637871] Call Trace:

 5746 21:35:53.947596  <4>[   51.640682]  ? __warn+0x80/0x110

 5747 21:35:53.952560  <4>[   51.644302]  ? refcount_warn_saturate+0x97/0x110

 5748 21:35:53.956520  <4>[   51.649265]  ? report_bug+0x9e/0xc0

 5749 21:35:53.960524  <4>[   51.653085]  ? handle_bug+0x41/0x90

 5750 21:35:53.964483  <4>[   51.656973]  ? exc_invalid_op+0x14/0x70

 5751 21:35:53.968800  <4>[   51.661149]  ? asm_exc_invalid_op+0x12/0x20

 5752 21:35:53.974142  <4>[   51.665811]  ? refcount_warn_saturate+0x97/0x110

 5753 21:35:53.979217  <4>[   51.670748]  ? refcount_warn_saturate+0x97/0x110

 5754 21:35:53.985379  <4>[   51.675705]  __refcount_add_not_zero.constprop.0+0x2a/0x35

 5755 21:35:53.991267  <4>[   51.681632]  lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76

 5756 21:35:53.995940  <4>[   51.687507]  direct_entry.cold+0x2c/0x38

 5757 21:35:53.999842  <4>[   51.691695]  full_proxy_write+0x56/0x80

 5758 21:35:54.002788  <4>[   51.695796]  vfs_write+0xea/0x3b0

 5759 21:35:54.008268  <4>[   51.699373]  ksys_write+0x68/0xf0

 5760 21:35:54.010259  <4>[   51.702951]  do_syscall_64+0x33/0x40

 5761 21:35:54.015956  <4>[   51.706789]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5762 21:35:54.019474  <4>[   51.712148] RIP: 0033:0x7ffba1de2473

 5763 21:35:54.039382  <4>[   51.715998] 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

 5764 21:35:54.046129  <4>[   51.735000] RSP: 002b:00007ffc033da708 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5765 21:35:54.054340  <4>[   51.742849] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007ffba1de2473

 5766 21:35:54.062083  <4>[   51.750245] RDX: 000000000000001f RSI: 00007ffba1cd6000 RDI: 0000000000000001

 5767 21:35:54.068595  <4>[   51.757654] RBP: 00007ffba1cd6000 R08: 00007ffba1cd5010 R09: 0000000000000000

 5768 21:35:54.076121  <4>[   51.765045] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5769 21:35:54.083903  <4>[   51.772456] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5770 21:35:54.087607  <4>[   51.779853] irq event stamp: 0

 5771 21:35:54.093331  <4>[   51.783173] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5772 21:35:54.101930  <4>[   51.789703] hardirqs last disabled at (0): [<ffffffff8f6fddac>] copy_process+0x65c/0x20e0

 5773 21:35:54.110138  <4>[   51.798135] softirqs last  enabled at (0): [<ffffffff8f6fddac>] copy_process+0x65c/0x20e0

 5774 21:35:54.117546  <4>[   51.806591] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5775 21:35:54.121395  <4>[   51.813123] ---[ end trace 0e3e908715a0f303 ]---

 5776 21:35:54.126103  <6>[   51.818013] lkdtm: Overflow detected: saturated

 5777 21:35:54.164733  # [   51.201060] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW

 5778 21:35:54.170395  # [   51.221504] lkdtm: attempting bad refcount_inc_not_zero() overflow

 5779 21:35:54.175509  # [   51.250146] ------------[ cut here ]------------

 5780 21:35:54.180620  # [   51.277224] refcount_t: saturated; leaking memory.

 5781 21:35:54.190337  # [   51.304608] WARNING: CPU: 1 PID: 2063 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110

 5782 21:35:54.228985  # [   51.335353] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 cros_ec_dev videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify chromeos_pstore snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table

 5783 21:35:54.236146  # [   51.397406] CPU: 1 PID: 2063 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 5784 21:35:54.242847  # [   51.427562] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 5785 21:35:54.247569  # [   51.455908] RIP: 0010:refcount_warn_saturate+0x97/0x110

 5786 21:35:54.266651  # [   51.483591] Code: 02 01 e8 5e 3e c4 00 0f 0b e9 e5 a1 04 01 80 3d 06 cd 36 02 00 75 a8 48 c7 c7 a0 53 97 91 c6 05 f6 cc 36 02 01 e8 3b 3e c4 00 <0f> 0b e9 c2 a1 04 01 80 3d e0 cc 36 02 00 75 85 48 c7 c7 f8 53 97

 5787 21:35:54.271788  # [   51.524757] RSP: 0018:ffffb258c40ffe38 EFLAGS: 00010282

 5788 21:35:54.280001  # [   51.552447] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000

 5789 21:35:54.286584  # [   51.582028] RDX: ffff91a2ead2c620 RSI: ffff91a2ead1bf50 RDI: ffff91a2ead1bf50

 5790 21:35:54.297289  # [   51.593579] RBP: ffffffff91a1a598 R08<6>[   51.964853] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW

 5791 21:35:54.300714  : 0000000000000000 R09: 0000000000000000

 5792 21:35:54.308587  # [   51.601019] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f

 5793 21:35:54.315886  # [   51.608483] R13: ffffb258c40fff10 R14: ffffb258c40fff10 R15: ffff91a2c5cb6000

 5794 21:35:54.325933  # [   51.615932] FS:  00007ffba1f08580(0000) G<6>[   51.993681] lkdtm: attempting bad refcount_add_not_zero() overflow

 5795 21:35:54.330900  S:ffff91a2ead00000(0000) knlGS:0000000000000000

 5796 21:35:54.336239  # [   51.624334] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5797 21:35:54.344232  # [   51.630399] CR2: 00007ffba1cd6000 CR3: 00000001035b6000 CR4: 00000000001506e0

 5798 21:35:54.345950  # [   51.637871] Call Trace:

 5799 21:35:54.353457  # [   51.640682]  ? __war<4>[   52.022318] ------------[ cut here ]------------

 5800 21:35:54.354651  n+0x80/0x110

 5801 21:35:54.359009  # [   51.644302]  ? refcount_warn_saturate+0x97/0x110

 5802 21:35:54.363055  # [   51.649265]  ? report_bug+0x9e/0xc0

 5803 21:35:54.366526  # [   51.653085]  ? handle_bug+0x41/0x90

 5804 21:35:54.370738  # [   51.656973]  ? exc_invalid_op+0x14/0x70

 5805 21:35:54.374623  # [   51.661149]  ? asm_exc_invalid_op+0x12/0x20

 5806 21:35:54.380214  # [   5<4>[   52.049402] refcount_t: saturated; leaking memory.

 5807 21:35:54.384625  1.665811]  ? refcount_warn_saturate+0x97/0x110

 5808 21:35:54.390184  # [   51.670748]  ? refcount_warn_saturate+0x97/0x110

 5809 21:35:54.394681  # [   51.675705]  __refcount_add_not_zero.constprop.0+0x2a/0x35

 5810 21:35:54.400775  # [   51.681632]  lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76

 5811 21:35:54.410784  # [   51.687507]  dire<4>[   52.076678] WARNING: CPU: 1 PID: 2096 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110

 5812 21:35:54.413718  ct_entry.cold+0x2c/0x38

 5813 21:35:54.417274  # [   51.691695]  full_proxy_write+0x56/0x80

 5814 21:35:54.420713  # [   51.695796]  vfs_write+0xea/0x3b0

 5815 21:35:54.424272  # [   51.699373]  ksys_write+0x68/0xf0

 5816 21:35:54.428666  # [   51.702951]  do_syscall_64+0x33/0x40

 5817 21:35:54.433169  # [   51.706789]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5818 21:35:54.473659  # <4>[   52.107583] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 cros_ec_dev videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify chromeos_pstore snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table

 5819 21:35:54.477181  [   51.712148] RIP: 0033:0x7ffba1de2473

 5820 21:35:54.503998  # [   51.715998] 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 1<4>[   52.169644] CPU: 1 PID: 2096 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 5821 21:35:54.504146  8

 5822 21:35:54.511432  # [   51.735000] RSP: 002b:00007ffc033da708 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5823 21:35:54.518267  # [   51.742849] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007ffba1de2473

 5824 21:35:54.531707  # [   51.750245] RDX: 000000000000001f RSI: 00007ffba1cd6000 RDI: 00000000000000<4>[   52.199802] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 5825 21:35:54.532357  01

 5826 21:35:54.539157  # [   51.757654] RBP: 00007ffba1cd6000 R08: 00007ffba1cd5010 R09: 0000000000000000

 5827 21:35:54.546825  # [   51.765045] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5828 21:35:54.554286  # [   51.772456] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5829 21:35:54.560106  <4>[   52.228143] RIP: 0010:refcount_warn_saturate+0x97/0x110

 5830 21:35:54.562657  # [   51.779853] irq event stamp: 0

 5831 21:35:54.568801  # [   51.783173] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5832 21:35:54.577445  # [   51.789703] hardirqs last disabled at (0): [<ffffffff8f6fddac>] copy_process+0x65c/0x20e0

 5833 21:35:54.601182  # [   51.798135] softirqs last  enabled at (0): [<4>[   52.255741] Code: 02 01 e8 5e 3e c4 00 0f 0b e9 e5 a1 04 01 80 3d 06 cd 36 02 00 75 a8 48 c7 c7 a0 53 97 91 c6 05 f6 cc 36 02 01 e8 3b 3e c4 00 <0f> 0b e9 c2 a1 04 01 80 3d e0 cc 36 02 00 75 85 48 c7 c7 f8 53 97

 5834 21:35:54.604662  <ffffffff8f6fddac>] copy_process+0x65c/0x20e0

 5835 21:35:54.610851  # [   51.806591] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5836 21:35:54.617165  # [   51.813123] ---[ end trace 0e3e908715a0f303 ]---

 5837 21:35:54.620393  # [   51.818013] lkdtm: Overflow detected: saturated

 5838 21:35:54.628649  # REFCOUNT_INC_NOT_ZERO_OV<4>[   52.296944] RSP: 0018:ffffb258c4177e38 EFLAGS: 00010282

 5839 21:35:54.630736  ERFLOW: saw 'call trace:': ok

 5840 21:35:54.636021  ok 44 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh

 5841 21:35:54.641664  # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh

 5842 21:35:54.647876  <4>[   52.324592] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000

 5843 21:35:54.656789  <4>[   52.344546] RDX: ffff91a2ead2c620 RSI: ffff91a2ead1bf50 RDI: ffff91a2ead1bf50

 5844 21:35:54.662870  <4>[   52.351956] RBP: ffffffff91a1a5b8 R08: 0000000000000000 R09: 0000000000000000

 5845 21:35:54.670416  <4>[   52.359378] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f

 5846 21:35:54.677581  <4>[   52.366793] R13: ffffb258c4177f10 R14: ffffb258c4177f10 R15: ffff91a2c660d000

 5847 21:35:54.686881  <4>[   52.374208] FS:  00007fde1a81e580(0000) GS:ffff91a2ead00000(0000) knlGS:0000000000000000

 5848 21:35:54.691978  <4>[   52.382573] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5849 21:35:54.699756  <4>[   52.388625] CR2: 00007fde1a61e000 CR3: 0000000103428000 CR4: 00000000001506e0

 5850 21:35:54.702115  <4>[   52.396039] Call Trace:

 5851 21:35:54.706559  <4>[   52.398789]  ? __warn+0x80/0x110

 5852 21:35:54.710678  <4>[   52.402304]  ? refcount_warn_saturate+0x97/0x110

 5853 21:35:54.714371  <4>[   52.407215]  ? report_bug+0x9e/0xc0

 5854 21:35:54.718241  <4>[   52.410995]  ? handle_bug+0x41/0x90

 5855 21:35:54.723073  <4>[   52.414785]  ? exc_invalid_op+0x14/0x70

 5856 21:35:54.726626  <4>[   52.418908]  ? asm_exc_invalid_op+0x12/0x20

 5857 21:35:54.732092  <4>[   52.423398]  ? refcount_warn_saturate+0x97/0x110

 5858 21:35:54.736573  <4>[   52.428298]  ? refcount_warn_saturate+0x97/0x110

 5859 21:35:54.742353  <4>[   52.433250]  __refcount_add_not_zero.constprop.0+0x2a/0x35

 5860 21:35:54.748148  <4>[   52.439060]  lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76

 5861 21:35:54.752704  <4>[   52.444978]  direct_entry.cold+0x2c/0x38

 5862 21:35:54.757128  <4>[   52.449251]  full_proxy_write+0x56/0x80

 5863 21:35:54.760426  <4>[   52.453435]  vfs_write+0xea/0x3b0

 5864 21:35:54.764190  <4>[   52.457093]  ksys_write+0x68/0xf0

 5865 21:35:54.767909  <4>[   52.460751]  do_syscall_64+0x33/0x40

 5866 21:35:54.774642  <4>[   52.464784]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5867 21:35:54.777820  <4>[   52.470149] RIP: 0033:0x7fde1a72a473

 5868 21:35:54.796693  <4>[   52.474079] 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

 5869 21:35:54.804695  <4>[   52.493277] RSP: 002b:00007ffe420292e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5870 21:35:54.811934  <4>[   52.501237] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fde1a72a473

 5871 21:35:54.819835  <4>[   52.508734] RDX: 000000000000001f RSI: 00007fde1a61e000 RDI: 0000000000000001

 5872 21:35:54.827057  <4>[   52.516190] RBP: 00007fde1a61e000 R08: 00007fde1a61d010 R09: 0000000000000000

 5873 21:35:54.834473  <4>[   52.523619] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5874 21:35:54.842470  <4>[   52.531048] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5875 21:35:54.845844  <4>[   52.538454] irq event stamp: 0

 5876 21:35:54.852314  <4>[   52.541770] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5877 21:35:54.860045  <4>[   52.548295] hardirqs last disabled at (0): [<ffffffff8f6fddac>] copy_process+0x65c/0x20e0

 5878 21:35:54.868681  <4>[   52.556748] softirqs last  enabled at (0): [<ffffffff8f6fddac>] copy_process+0x65c/0x20e0

 5879 21:35:54.875185  <4>[   52.565185] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5880 21:35:54.880626  <4>[   52.571709] ---[ end trace 0e3e908715a0f304 ]---

 5881 21:35:54.884911  <6>[   52.576587] lkdtm: Overflow detected: saturated

 5882 21:35:54.920482  # [   51.964853] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW

 5883 21:35:54.926634  # [   51.993681] lkdtm: attempting bad refcount_add_not_zero() overflow

 5884 21:35:54.931522  # [   52.022318] ------------[ cut here ]------------

 5885 21:35:54.935993  # [   52.049402] refcount_t: saturated; leaking memory.

 5886 21:35:54.944557  # [   52.076678] WARNING: CPU: 1 PID: 2096 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110

 5887 21:35:54.984495  # [   52.107583] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 cros_ec_dev videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify chromeos_pstore snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table

 5888 21:35:54.992244  # [   52.169644] CPU: 1 PID: 2096 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 5889 21:35:54.999110  # [   52.199802] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 5890 21:35:55.004191  # [   52.228143] RIP: 0010:refcount_warn_saturate+0x97/0x110

 5891 21:35:55.023586  # [   52.255741] Code: 02 01 e8 5e 3e c4 00 0f 0b e9 e5 a1 04 01 80 3d 06 cd 36 02 00 75 a8 48 c7 c7 a0 53 97 91 c6 05 f6 cc 36 02 01 e8 3b 3e c4 00 <0f> 0b e9 c2 a1 04 01 80 3d e0 cc 36 02 00 75 85 48 c7 c7 f8 53 97

 5892 21:35:55.028052  # [   52.296944] RSP: 0018:ffffb258c4177e38 EFLAGS: 00010282

 5893 21:35:55.037049  # [   52.324592] RAX: 000000000000<6>[   52.727270] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO

 5894 21:35:55.041438  0000 RBX: 000000007fffffff RCX: 0000000000000000

 5895 21:35:55.048454  # [   52.344546] RDX: ffff91a2ead2c620 RSI: ffff91a2ead1bf50 RDI: ffff91a2ead1bf50

 5896 21:35:55.055725  # [   52.351956] RBP: ffffffff91a1a5b8 R08: 0000000000000000 R09: 0000000000000000

 5897 21:35:55.064289  # [   52.359378] R10: 00000000ffffe000<6>[   52.733297] lkdtm: attempting good refcount_dec()

 5898 21:35:55.068449   R11: 3fffffffffffffff R12: 000000000000001f

 5899 21:35:55.075393  # [   52.366793] R13: ffffb258c4177f10 R14: ffffb258c4177f10 R15: ffff91a2c660d000

 5900 21:35:55.084201  # [   52.374208] FS:  00007fde1a81e580(0000) GS:ffff91a2ead00000(0000) knlGS:0000000000000000

 5901 21:35:55.092203  # [   52.382573] CS:  0010 DS: <6>[   52.760458] lkdtm: attempting bad refcount_dec() to zero

 5902 21:35:55.095049  0000 ES: 0000 CR0: 0000000080050033

 5903 21:35:55.102332  # [   52.388625] CR2: 00007fde1a61e000 CR3: 0000000103428000 CR4: 00000000001506e0

 5904 21:35:55.104838  # [   52.396039] Call Trace:

 5905 21:35:55.110127  # [   52.398789]  ? __warn+0x80/0x110

 5906 21:35:55.113639  # [   52.402304]  ? refcount_warn_saturate+0x97/0x110

 5907 21:35:55.120205  # [   52.40<4>[   52.788213] ------------[ cut here ]------------

 5908 21:35:55.122307  7215]  ? report_bug+0x9e/0xc0

 5909 21:35:55.125639  # [   52.410995]  ? handle_bug+0x41/0x90

 5910 21:35:55.129246  # [   52.414785]  ? exc_invalid_op+0x14/0x70

 5911 21:35:55.133501  # [   52.418908]  ? asm_exc_invalid_op+0x12/0x20

 5912 21:35:55.138211  # [   52.423398]  ? refcount_warn_saturate+0x97/0x110

 5913 21:35:55.146544  # [   52.428298]  ? refcount_war<4>[   52.815254] refcount_t: decrement hit 0; leaking memory.

 5914 21:35:55.149003  n_saturate+0x97/0x110

 5915 21:35:55.154293  # [   52.433250]  __refcount_add_not_zero.constprop.0+0x2a/0x35

 5916 21:35:55.160112  # [   52.439060]  lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76

 5917 21:35:55.164446  # [   52.444978]  direct_entry.cold+0x2c/0x38

 5918 21:35:55.167993  # [   52.449251]  full_proxy_write+0x56/0x80

 5919 21:35:55.177696  # [   52.<4>[   52.843063] WARNING: CPU: 1 PID: 2129 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110

 5920 21:35:55.180375  453435]  vfs_write+0xea/0x3b0

 5921 21:35:55.183632  # [   52.457093]  ksys_write+0x68/0xf0

 5922 21:35:55.187682  # [   52.460751]  do_syscall_64+0x33/0x40

 5923 21:35:55.192733  # [   52.464784]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5924 21:35:55.196590  # [   52.470149] RIP: 0033:0x7fde1a72a473

 5925 21:35:55.240418  # [   52.474079] Code: 8b 15 21 2a 0e 0<4>[   52.873876] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 cros_ec_dev videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify chromeos_pstore snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table

 5926 21:35:55.255314  0 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5927 21:35:55.270202  # [   52.493277] RSP: 002b:00007ffe420292e8 EFLAGS: 00000246 ORIG_RAX: 000000<4>[   52.936050] CPU: 1 PID: 2129 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 5928 21:35:55.271053  0000000001

 5929 21:35:55.278173  # [   52.501237] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fde1a72a473

 5930 21:35:55.285908  # [   52.508734] RDX: 000000000000001f RSI: 00007fde1a61e000 RDI: 0000000000000001

 5931 21:35:55.298315  # [   52.516190] RBP: 00007fde1a61e000 R08: 00007fde1a61d010 R09: 0000000000<4>[   52.966129] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 5932 21:35:55.299099  000000

 5933 21:35:55.306001  # [   52.523619] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5934 21:35:55.313854  # [   52.531048] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5935 21:35:55.316609  # [   52.538454] irq event stamp: 0

 5936 21:35:55.325576  # [   52.541770] hardirqs last  enabled at <4>[   52.994544] RIP: 0010:refcount_warn_saturate+0xfb/0x110

 5937 21:35:55.328374  (0): [<0000000000000000>] 0x0

 5938 21:35:55.338622  # [   52.548295] hardirqs last disabled at (0): [<ffffffff8f6fddac>] copy_process+0x65c/0x20e0

 5939 21:35:55.346541  # [   52.556748] softirqs last  enabled at (0): [<ffffffff8f6fddac>] copy_process+0x65c/0x20e0

 5940 21:35:55.367150  # [   52.565185] softirqs last di<4>[   53.022173] Code: 50 54 97 91 c6 05 a7 cc 36 02 01 e8 f1 3d c4 00 0f 0b e9 78 a1 04 01 48 c7 c7 20 54 97 91 c6 05 8e cc 36 02 01 e8 d7 3d c4 00 <0f> 0b e9 5e a1 04 01 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b

 5941 21:35:55.372653  sabled at (0): [<0000000000000000>] 0x0

 5942 21:35:55.377277  # [   52.571709] ---[ end trace 0e3e908715a0f304 ]---

 5943 21:35:55.380197  # [   52.576587] lkdtm: Overflow detected: saturated

 5944 21:35:55.384821  # REFCOUNT_ADD_NOT_ZERO_OVERFLOW: saw 'call trace:': ok

 5945 21:35:55.394910  ok 45 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVE<4>[   53.063368] RSP: 0018:ffffb258c41e7e48 EFLAGS: 00010286

 5946 21:35:55.395700  RFLOW.sh

 5947 21:35:55.399170  # selftests: lkdtm: REFCOUNT_DEC_ZERO.sh

 5948 21:35:55.406959  <4>[   53.091015] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000

 5949 21:35:55.413864  <4>[   53.102907] RDX: ffff91a2ead2c620 RSI: ffff91a2ead1bf50 RDI: ffff91a2ead1bf50

 5950 21:35:55.422358  <4>[   53.110337] RBP: ffffffff91a1a971 R08: 0000000000000000 R09: 0000000000000000

 5951 21:35:55.428792  <4>[   53.117783] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012

 5952 21:35:55.436068  <4>[   53.125219] R13: ffffb258c41e7f10 R14: ffffb258c41e7f10 R15: ffff91a2c3359000

 5953 21:35:55.444580  <4>[   53.132650] FS:  00007f0418c6a580(0000) GS:ffff91a2ead00000(0000) knlGS:0000000000000000

 5954 21:35:55.452978  <4>[   53.141040] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5955 21:35:55.458107  <4>[   53.147098] CR2: 00007f0418a36000 CR3: 00000001035be000 CR4: 00000000001506e0

 5956 21:35:55.460974  <4>[   53.154562] Call Trace:

 5957 21:35:55.464433  <4>[   53.157382]  ? __warn+0x80/0x110

 5958 21:35:55.469239  <4>[   53.160920]  ? refcount_warn_saturate+0xfb/0x110

 5959 21:35:55.473248  <4>[   53.165884]  ? report_bug+0x9e/0xc0

 5960 21:35:55.476731  <4>[   53.169753]  ? handle_bug+0x41/0x90

 5961 21:35:55.481250  <4>[   53.173563]  ? exc_invalid_op+0x14/0x70

 5962 21:35:55.485671  <4>[   53.177757]  ? asm_exc_invalid_op+0x12/0x20

 5963 21:35:55.490737  <4>[   53.182328]  ? refcount_warn_saturate+0xfb/0x110

 5964 21:35:55.496155  <4>[   53.187347]  ? refcount_warn_saturate+0xfb/0x110

 5965 21:35:55.500572  <4>[   53.192407]  lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd

 5966 21:35:55.504943  <4>[   53.197158]  direct_entry.cold+0x2c/0x38

 5967 21:35:55.509114  <4>[   53.201534]  full_proxy_write+0x56/0x80

 5968 21:35:55.512887  <4>[   53.205655]  vfs_write+0xea/0x3b0

 5969 21:35:55.516902  <4>[   53.209321]  ksys_write+0x68/0xf0

 5970 21:35:55.520275  <4>[   53.212960]  do_syscall_64+0x33/0x40

 5971 21:35:55.525615  <4>[   53.216840]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5972 21:35:55.529716  <4>[   53.222209] RIP: 0033:0x7f0418b42473

 5973 21:35:55.548948  <4>[   53.226057] 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

 5974 21:35:55.556392  <4>[   53.245080] RSP: 002b:00007ffdd5fa92f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5975 21:35:55.564333  <4>[   53.252911] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f0418b42473

 5976 21:35:55.571313  <4>[   53.260302] RDX: 0000000000000012 RSI: 00007f0418a36000 RDI: 0000000000000001

 5977 21:35:55.578561  <4>[   53.267694] RBP: 00007f0418a36000 R08: 00007f0418a35010 R09: 0000000000000000

 5978 21:35:55.586429  <4>[   53.275084] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5979 21:35:55.593420  <4>[   53.282492] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5980 21:35:55.597005  <4>[   53.289892] irq event stamp: 0

 5981 21:35:55.604567  <4>[   53.293218] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5982 21:35:55.611706  <4>[   53.299746] hardirqs last disabled at (0): [<ffffffff8f6fddac>] copy_process+0x65c/0x20e0

 5983 21:35:55.620149  <4>[   53.308201] softirqs last  enabled at (0): [<ffffffff8f6fddac>] copy_process+0x65c/0x20e0

 5984 21:35:55.627151  <4>[   53.316639] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5985 21:35:55.632041  <4>[   53.323174] ---[ end trace 0e3e908715a0f305 ]---

 5986 21:35:55.635952  <6>[   53.328051] lkdtm: Zero detected: saturated

 5987 21:35:55.674381  # [   52.727270] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO

 5988 21:35:55.677614  # [   52.733297] lkdtm: attempting good refcount_dec()

 5989 21:35:55.683416  # [   52.760458] lkdtm: attempting bad refcount_dec() to zero

 5990 21:35:55.688051  # [   52.788213] ------------[ cut here ]------------

 5991 21:35:55.693510  # [   52.815254] refcount_t: decrement hit 0; leaking memory.

 5992 21:35:55.702154  # [   52.843063] WARNING: CPU: 1 PID: 2129 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110

 5993 21:35:55.741756  # [   52.873876] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 cros_ec_dev videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify chromeos_pstore snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table

 5994 21:35:55.749689  # [   52.936050] CPU: 1 PID: 2129 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 5995 21:35:55.756096  # [   52.966129] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 5996 21:35:55.761961  # [   52.994544] RIP: 0010:refcount_warn_saturate+0xfb/0x110

 5997 21:35:55.780409  # [   53.022173] Code: 50 54 97 91 c6 05 a7 cc 36 02 01 e8 f1 3d c4 00 0f 0b e9 78 a1 04 01 48 c7 c7 20 54 97 91 c6 05 8e cc 36 02 01 e8 d7 3d c4 00 <0f> 0b e9 5e a1 04 01 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b

 5998 21:35:55.785718  # [   53.063368] RSP: 0018:ffffb258c41e7e48 EFLAGS: 00010286

 5999 21:35:55.792861  # [   53.091015] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000

 6000 21:35:55.805876  # [   53.102907] RDX: ffff91a2ead2c620 RSI: ffff91a2ead1bf50 RDI: ffff<6>[   53.475522] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE

 6001 21:35:55.807033  91a2ead1bf50

 6002 21:35:55.813860  # [   53.110337] RBP: ffffffff91a1a971 R08: 0000000000000000 R09: 0000000000000000

 6003 21:35:55.821493  # [   53.117783] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012

 6004 21:35:55.833645  # [   53.125219] R13: ffffb258c41e7f10 R14: ffffb258c41e7f10 R15: ffff91a2<6>[   53.501433] lkdtm: attempting bad refcount_dec() below zero

 6005 21:35:55.834029  c3359000

 6006 21:35:55.843181  # [   53.132650] FS:  00007f0418c6a580(0000) GS:ffff91a2ead00000(0000) knlGS:0000000000000000

 6007 21:35:55.847824  # [   53.141040] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6008 21:35:55.855379  # [   53.147098] CR2: 00007f0418a36000 CR3: 00000001035be000 CR4: 00000000001506e0

 6009 21:35:55.859792  <4>[   53.529446] ------------[ cut here ]------------

 6010 21:35:55.860505  

 6011 21:35:55.862894  # [   53.154562] Call Trace:

 6012 21:35:55.866204  # [   53.157382]  ? __warn+0x80/0x110

 6013 21:35:55.871645  # [   53.160920]  ? refcount_warn_saturate+0xfb/0x110

 6014 21:35:55.874861  # [   53.165884]  ? report_bug+0x9e/0xc0

 6015 21:35:55.878184  # [   53.169753]  ? handle_bug+0x41/0x90

 6016 21:35:55.882813  # [   53.173563]  ? exc_invalid_op+0x14/0x70

 6017 21:35:55.887794  #<4>[   53.556546] refcount_t: decrement hit 0; leaking memory.

 6018 21:35:55.892442   [   53.177757]  ? asm_exc_invalid_op+0x12/0x20

 6019 21:35:55.897813  # [   53.182328]  ? refcount_warn_saturate+0xfb/0x110

 6020 21:35:55.902198  # [   53.187347]  ? refcount_warn_saturate+0xfb/0x110

 6021 21:35:55.907151  # [   53.192407]  lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd

 6022 21:35:55.919124  # [   53.197158]  direct_entry.cold+0x2c/0x3<4>[   53.584321] WARNING: CPU: 1 PID: 2165 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110

 6023 21:35:55.919259  8

 6024 21:35:55.922887  # [   53.201534]  full_proxy_write+0x56/0x80

 6025 21:35:55.926508  # [   53.205655]  vfs_write+0xea/0x3b0

 6026 21:35:55.930197  # [   53.209321]  ksys_write+0x68/0xf0

 6027 21:35:55.934002  # [   53.212960]  do_syscall_64+0x33/0x40

 6028 21:35:55.939010  # [   53.216840]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6029 21:35:55.980764  # [   53.222209] RIP: 00<4>[   53.615227] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 cros_ec_dev videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify chromeos_pstore snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table

 6030 21:35:55.982322  33:0x7f0418b42473

 6031 21:35:56.001509  # [   53.226057] 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

 6032 21:35:56.010949  # [   53.245080] RS<4>[   53.677267] CPU: 1 PID: 2165 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 6033 21:35:56.017055  P: 002b:00007ffdd5fa92f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6034 21:35:56.024160  # [   53.252911] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f0418b42473

 6035 21:35:56.031637  # [   53.260302] RDX: 0000000000000012 RSI: 00007f0418a36000 RDI: 0000000000000001

 6036 21:35:56.039673  # [   53.267694] R<4>[   53.707439] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 6037 21:35:56.045730  BP: 00007f0418a36000 R08: 00007f0418a35010 R09: 0000000000000000

 6038 21:35:56.053498  # [   53.275084] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6039 21:35:56.059551  # [   53.282492] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6040 21:35:56.067610  # [   53.289892] irq e<4>[   53.735777] RIP: 0010:refcount_warn_saturate+0xfb/0x110

 6041 21:35:56.068722  vent stamp: 0

 6042 21:35:56.075402  # [   53.293218] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6043 21:35:56.083143  # [   53.299746] hardirqs last disabled at (0): [<ffffffff8f6fddac>] copy_process+0x65c/0x20e0

 6044 21:35:56.108494  # [   53.308201] softirqs last  enabled at (0): [<ffffffff8f6fddac>] co<4>[   53.763426] Code: 50 54 97 91 c6 05 a7 cc 36 02 01 e8 f1 3d c4 00 0f 0b e9 78 a1 04 01 48 c7 c7 20 54 97 91 c6 05 8e cc 36 02 01 e8 d7 3d c4 00 <0f> 0b e9 5e a1 04 01 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b

 6045 21:35:56.111221  py_process+0x65c/0x20e0

 6046 21:35:56.116613  # [   53.316639] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6047 21:35:56.122531  # [   53.323174] ---[ end trace 0e3e908715a0f305 ]---

 6048 21:35:56.126610  # [   53.328051] lkdtm: Zero detected: saturated

 6049 21:35:56.130786  # REFCOUNT_DEC_ZERO: saw 'call trace:': ok

 6050 21:35:56.135724  ok 46 se<4>[   53.804599] RSP: 0018:ffffb258c4267e48 EFLAGS: 00010286

 6051 21:35:56.140003  lftests: lkdtm: REFCOUNT_DEC_ZERO.sh

 6052 21:35:56.142952  # selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh

 6053 21:35:56.151384  <4>[   53.832279] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000

 6054 21:35:56.157722  <4>[   53.846927] RDX: ffff91a2ead2c620 RSI: ffff91a2ead1bf50 RDI: ffff91a2ead1bf50

 6055 21:35:56.165018  <4>[   53.854394] RBP: ffffffff91a1a983 R08: 0000000000000000 R09: 0000000000000000

 6056 21:35:56.172965  <4>[   53.861831] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016

 6057 21:35:56.180978  <4>[   53.869312] R13: ffffb258c4267f10 R14: ffffb258c4267f10 R15: ffff91a2c6601000

 6058 21:35:56.188483  <4>[   53.876750] FS:  00007ff0845fa580(0000) GS:ffff91a2ead00000(0000) knlGS:0000000000000000

 6059 21:35:56.194773  <4>[   53.885152] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6060 21:35:56.202321  <4>[   53.891236] CR2: 00007ff0843c6000 CR3: 00000001037d0000 CR4: 00000000001506e0

 6061 21:35:56.204939  <4>[   53.898715] Call Trace:

 6062 21:35:56.208505  <4>[   53.901555]  ? __warn+0x80/0x110

 6063 21:35:56.213432  <4>[   53.905181]  ? refcount_warn_saturate+0xfb/0x110

 6064 21:35:56.217639  <4>[   53.910182]  ? report_bug+0x9e/0xc0

 6065 21:35:56.221103  <4>[   53.914039]  ? handle_bug+0x41/0x90

 6066 21:35:56.226183  <4>[   53.918028]  ? exc_invalid_op+0x14/0x70

 6067 21:35:56.230104  <4>[   53.922197]  ? asm_exc_invalid_op+0x12/0x20

 6068 21:35:56.234812  <4>[   53.926728]  ? refcount_warn_saturate+0xfb/0x110

 6069 21:35:56.239809  <4>[   53.931697]  ? refcount_warn_saturate+0xfb/0x110

 6070 21:35:56.245329  <4>[   53.936697]  lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61

 6071 21:35:56.250023  <4>[   53.941873]  direct_entry.cold+0x2c/0x38

 6072 21:35:56.254135  <4>[   53.946098]  full_proxy_write+0x56/0x80

 6073 21:35:56.257236  <4>[   53.950210]  vfs_write+0xea/0x3b0

 6074 21:35:56.261354  <4>[   53.953807]  ksys_write+0x68/0xf0

 6075 21:35:56.264702  <4>[   53.957393]  do_syscall_64+0x33/0x40

 6076 21:35:56.271276  <4>[   53.961234]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6077 21:35:56.274012  <4>[   53.966549] RIP: 0033:0x7ff0844d2473

 6078 21:35:56.293062  <4>[   53.970388] 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

 6079 21:35:56.301042  <4>[   53.989411] RSP: 002b:00007fff760c3a48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6080 21:35:56.308591  <4>[   53.997240] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007ff0844d2473

 6081 21:35:56.316172  <4>[   54.004632] RDX: 0000000000000016 RSI: 00007ff0843c6000 RDI: 0000000000000001

 6082 21:35:56.323017  <4>[   54.012047] RBP: 00007ff0843c6000 R08: 00007ff0843c5010 R09: 0000000000000000

 6083 21:35:56.330604  <4>[   54.019444] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6084 21:35:56.338863  <4>[   54.026846] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6085 21:35:56.342964  <4>[   54.034243] irq event stamp: 0

 6086 21:35:56.350057  <4>[   54.037562] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6087 21:35:56.357144  <4>[   54.044097] hardirqs last disabled at (0): [<ffffffff8f6fddac>] copy_process+0x65c/0x20e0

 6088 21:35:56.365208  <4>[   54.052528] softirqs last  enabled at (0): [<ffffffff8f6fddac>] copy_process+0x65c/0x20e0

 6089 21:35:56.371384  <4>[   54.060960] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6090 21:35:56.375936  <4>[   54.067477] ---[ end trace 0e3e908715a0f306 ]---

 6091 21:35:56.380931  <6>[   54.072356] lkdtm: Negative detected: saturated

 6092 21:35:56.417893  # [   53.475522] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE

 6093 21:35:56.423152  # [   53.501433] lkdtm: attempting bad refcount_dec() below zero

 6094 21:35:56.428411  # [   53.529446] ------------[ cut here ]------------

 6095 21:35:56.433247  # [   53.556546] refcount_t: decrement hit 0; leaking memory.

 6096 21:35:56.441870  # [   53.584321] WARNING: CPU: 1 PID: 2165 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110

 6097 21:35:56.481742  # [   53.615227] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 cros_ec_dev videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify chromeos_pstore snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table

 6098 21:35:56.489543  # [   53.677267] CPU: 1 PID: 2165 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 6099 21:35:56.495687  # [   53.707439] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 6100 21:35:56.501154  # [   53.735777] RIP: 0010:refcount_warn_saturate+0xfb/0x110

 6101 21:35:56.521394  # [   53.763426] Code: 50 54 97 91 c6 05 a7 cc 36 02 01 e8 f1 3d c4 00 0f 0b e9 78 a1 04 01 48 c7 c7 20 54 97 91 c6 05 8e cc 36 02 01 e8 d7 3d c4 00 <0f> 0b e9 5e a1 04 01 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b

 6102 21:35:56.526072  # [   53.804599] RSP: 0018:ffffb258c4267e48 EFLAGS: 00010286

 6103 21:35:56.533852  # [   53.832279] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000

 6104 21:35:56.539997  # [   53.846927] RDX: ffff91a2ead2c620 RSI: ffff91a2ead1bf50 RDI: ffff91a2ead1bf50

 6105 21:35:56.546985  # [   53.854394] RBP: ffffffff91a1a983 R08: 0000000000000000 R09: 0000000000000000

 6106 21:35:56.557008  # [   53.861831] R10: <6>[   54.241759] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE

 6107 21:35:56.562010  00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016

 6108 21:35:56.568913  # [   53.869312] R13: ffffb258c4267f10 R14: ffffb258c4267f10 R15: ffff91a2c6601000

 6109 21:35:56.577200  # [   53.876750] FS:  00007ff0845fa580(0000) GS:ffff91a2ead00000(0000) knlGS:0000000000000000

 6110 21:35:56.584756  # [   53.885152<6>[   54.252448] lkdtm: attempting bad refcount_dec_and_test() below zero

 6111 21:35:56.589670  ] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6112 21:35:56.597634  # [   53.891236] CR2: 00007ff0843c6000 CR3: 00000001037d0000 CR4: 00000000001506e0

 6113 21:35:56.600107  # [   53.898715] Call Trace:

 6114 21:35:56.603676  # [   53.901555]  ? __warn+0x80/0x110

 6115 21:35:56.612472  # [   53.905181]  ? refcount_warn_saturate+0xfb/0x<4>[   54.281336] ------------[ cut here ]------------

 6116 21:35:56.612594  110

 6117 21:35:56.616578  # [   53.910182]  ? report_bug+0x9e/0xc0

 6118 21:35:56.619775  # [   53.914039]  ? handle_bug+0x41/0x90

 6119 21:35:56.624506  # [   53.918028]  ? exc_invalid_op+0x14/0x70

 6120 21:35:56.628251  # [   53.922197]  ? asm_exc_invalid_op+0x12/0x20

 6121 21:35:56.633024  # [   53.926728]  ? refcount_warn_saturate+0xfb/0x110

 6122 21:35:56.639359  # [   53.931697]<4>[   54.308407] refcount_t: underflow; use-after-free.

 6123 21:35:56.644234    ? refcount_warn_saturate+0xfb/0x110

 6124 21:35:56.647317  # [   53.936697]  lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61

 6125 21:35:56.651723  # [   53.941873]  direct_entry.cold+0x2c/0x38

 6126 21:35:56.655588  # [   53.946098]  full_proxy_write+0x56/0x80

 6127 21:35:56.658847  # [   53.950210]  vfs_write+0xea/0x3b0

 6128 21:35:56.670221  # [   53.953807]  ksys_writ<4>[   54.335681] WARNING: CPU: 0 PID: 2201 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110

 6129 21:35:56.672058  e+0x68/0xf0

 6130 21:35:56.675865  # [   53.957393]  do_syscall_64+0x33/0x40

 6131 21:35:56.680321  # [   53.961234]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6132 21:35:56.684400  # [   53.966549] RIP: 0033:0x7ff0844d2473

 6133 21:35:56.732310  # [   53.970388] 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<4>[   54.366534] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 cros_ec_dev videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify chromeos_pstore snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table

 6134 21:35:56.742506   04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6135 21:35:56.750376  # [   53.989411] RSP: 002b:00007fff760c3a48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6136 21:35:56.762952  # [   53.997240] RAX: ffffffffffffffda RBX: 00<4>[   54.428617] CPU: 0 PID: 2201 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 6137 21:35:56.765687  00000000000016 RCX: 00007ff0844d2473

 6138 21:35:56.773694  # [   54.004632] RDX: 0000000000000016 RSI: 00007ff0843c6000 RDI: 0000000000000001

 6139 21:35:56.780369  # [   54.012047] RBP: 00007ff0843c6000 R08: 00007ff0843c5010 R09: 0000000000000000

 6140 21:35:56.791136  # [   54.019444] R10: fffffffffffffbc5 R11: 000000<4>[   54.458779] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 6141 21:35:56.794086  0000000246 R12: 0000000000000001

 6142 21:35:56.801235  # [   54.026846] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6143 21:35:56.804141  # [   54.034243] irq event stamp: 0

 6144 21:35:56.811916  # [   54.037562] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6145 21:35:56.818559  # [   54.044097] hardirqs l<4>[   54.487145] RIP: 0010:refcount_warn_saturate+0xba/0x110

 6146 21:35:56.824318  ast disabled at (0): [<ffffffff8f6fddac>] copy_process+0x65c/0x20e0

 6147 21:35:56.833335  # [   54.052528] softirqs last  enabled at (0): [<ffffffff8f6fddac>] copy_process+0x65c/0x20e0

 6148 21:35:56.839171  # [   54.060960] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6149 21:35:56.860212  # [   54.067477] <4>[   54.514810] Code: 02 01 e8 3b 3e c4 00 0f 0b e9 c2 a1 04 01 80 3d e0 cc 36 02 00 75 85 48 c7 c7 f8 53 97 91 c6 05 d0 cc 36 02 01 e8 18 3e c4 00 <0f> 0b e9 9f a1 04 01 80 3d bb cc 36 02 00 0f 85 5e ff ff ff 48 c7

 6150 21:35:56.863067  ---[ end trace 0e3e908715a0f306 ]---

 6151 21:35:56.867634  # [   54.072356] lkdtm: Negative detected: saturated

 6152 21:35:56.873561  # REFCOUNT_DEC_NEGATIVE: saw 'Negative detected: saturated': ok

 6153 21:35:56.877485  ok 47 selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh

 6154 21:35:56.887290  # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIV<4>[   54.555993] RSP: 0018:ffffb258c42e7e40 EFLAGS: 00010286

 6155 21:35:56.888085  E.sh

 6156 21:35:56.895486  <4>[   54.583616] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000

 6157 21:35:56.902334  <4>[   54.591514] RDX: ffff91a2eac2c620 RSI: ffff91a2eac1bf50 RDI: ffff91a2eac1bf50

 6158 21:35:56.909913  <4>[   54.598913] RBP: ffffffff91a1a5d8 R08: 0000000000000000 R09: 0000000000000000

 6159 21:35:56.917666  <4>[   54.606311] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f

 6160 21:35:56.924673  <4>[   54.613704] R13: ffffb258c42e7f10 R14: ffffb258c42e7f10 R15: ffff91a2c35b8000

 6161 21:35:56.934044  <4>[   54.621097] FS:  00007fd8e8791580(0000) GS:ffff91a2eac00000(0000) knlGS:0000000000000000

 6162 21:35:56.940339  <4>[   54.629442] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6163 21:35:56.946299  <4>[   54.635448] CR2: 00007fd8e855e000 CR3: 0000000102e0a000 CR4: 00000000001506f0

 6164 21:35:56.949702  <4>[   54.642838] Call Trace:

 6165 21:35:56.953147  <4>[   54.645561]  ? __warn+0x80/0x110

 6166 21:35:56.958959  <4>[   54.649057]  ? refcount_warn_saturate+0xba/0x110

 6167 21:35:56.963556  <4>[   54.653940]  ? report_bug+0x9e/0xc0

 6168 21:35:56.965167  <4>[   54.657694]  ? handle_bug+0x41/0x90

 6169 21:35:56.969259  <4>[   54.661448]  ? exc_invalid_op+0x14/0x70

 6170 21:35:56.974156  <4>[   54.665549]  ? asm_exc_invalid_op+0x12/0x20

 6171 21:35:56.979052  <4>[   54.670000]  ? refcount_warn_saturate+0xba/0x110

 6172 21:35:56.984379  <4>[   54.674883]  __refcount_sub_and_test.constprop.0+0x3c/0x50

 6173 21:35:56.990160  <4>[   54.680630]  lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78

 6174 21:35:56.994715  <4>[   54.686470]  direct_entry.cold+0x2c/0x38

 6175 21:35:56.998451  <4>[   54.690656]  full_proxy_write+0x56/0x80

 6176 21:35:57.001780  <4>[   54.694757]  vfs_write+0xea/0x3b0

 6177 21:35:57.005751  <4>[   54.698339]  ksys_write+0x68/0xf0

 6178 21:35:57.009197  <4>[   54.701919]  do_syscall_64+0x33/0x40

 6179 21:35:57.015222  <4>[   54.705761]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6180 21:35:57.018434  <4>[   54.711077] RIP: 0033:0x7fd8e866a473

 6181 21:35:57.037800  <4>[   54.714916] 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

 6182 21:35:57.046029  <4>[   54.733920] RSP: 002b:00007ffecc257a28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6183 21:35:57.054809  <4>[   54.741749] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fd8e866a473

 6184 21:35:57.060850  <4>[   54.749141] RDX: 000000000000001f RSI: 00007fd8e855e000 RDI: 0000000000000001

 6185 21:35:57.067931  <4>[   54.756533] RBP: 00007fd8e855e000 R08: 00007fd8e855d010 R09: 0000000000000000

 6186 21:35:57.075180  <4>[   54.763923] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6187 21:35:57.083603  <4>[   54.771312] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6188 21:35:57.085740  <4>[   54.778709] irq event stamp: 0

 6189 21:35:57.092076  <4>[   54.782026] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6190 21:35:57.101313  <4>[   54.788552] hardirqs last disabled at (0): [<ffffffff8f6fddac>] copy_process+0x65c/0x20e0

 6191 21:35:57.109808  <4>[   54.796984] softirqs last  enabled at (0): [<ffffffff8f6fddac>] copy_process+0x65c/0x20e0

 6192 21:35:57.115309  <4>[   54.805416] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6193 21:35:57.121092  <4>[   54.811940] ---[ end trace 0e3e908715a0f307 ]---

 6194 21:35:57.125378  <6>[   54.816821] lkdtm: Negative detected: saturated

 6195 21:35:57.163345  # [   54.241759] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE

 6196 21:35:57.169073  # [   54.252448] lkdtm: attempting bad refcount_dec_and_test() below zero

 6197 21:35:57.173385  # [   54.281336] ------------[ cut here ]------------

 6198 21:35:57.178492  # [   54.308407] refcount_t: underflow; use-after-free.

 6199 21:35:57.186906  # [   54.335681] WARNING: CPU: 0 PID: 2201 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110

 6200 21:35:57.226377  # [   54.366534] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 cros_ec_dev videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify chromeos_pstore snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table

 6201 21:35:57.234867  # [   54.428617] CPU: 0 PID: 2201 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 6202 21:35:57.240448  # [   54.458779] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 6203 21:35:57.246272  # [   54.487145] RIP: 0010:refcount_warn_saturate+0xba/0x110

 6204 21:35:57.264691  # [   54.514810] Code: 02 01 e8 3b 3e c4 00 0f 0b e9 c2 a1 04 01 80 3d e0 cc 36 02 00 75 85 48 c7 c7 f8 53 97 91 c6 05 d0 cc 36 02 01 e8 18 3e c4 00 <0f> 0b e9 9f a1 04 01 80 3d bb cc 36 02 00 0f 85 5e ff ff ff 48 c7

 6205 21:35:57.271382  # [   54.555993] RSP: 0018:ffffb258c42e7e40 EFLAGS: 00010286

 6206 21:35:57.277612  # [   54.583616] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000

 6207 21:35:57.285542  # [   54.591514] RDX: ffff91a2eac2c620 RSI: ffff91a2eac1bf50 RDI: ffff91a2eac1bf50

 6208 21:35:57.292618  # [   54.598913] RBP: ffffffff91a1a5d8 R08: 0000000000000000 R09: 0000000000000000

 6209 21:35:57.300029  # [   54.606311] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f

 6210 21:35:57.306505  # [   54.613704] R13: ffffb258c42e7f10 R14: ffffb258c42e7f10 R15: ffff91a2c35b8000

 6211 21:35:57.316248  # [   54.621097] FS:  00007fd8e8791580(0000) GS:ffff91a2eac00000(0000) knlGS:0000000000000000

 6212 21:35:57.324380  # [   54.629442] CS:  0010 DS<6>[   54.994612] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE

 6213 21:35:57.327988  : 0000 ES: 0000 CR0: 0000000080050033

 6214 21:35:57.335986  # [   54.635448] CR2: 00007fd8e855e000 CR3: 0000000102e0a000 CR4: 00000000001506f0

 6215 21:35:57.337956  # [   54.642838] Call Trace:

 6216 21:35:57.341158  # [   54.645561]  ? __warn+0x80/0x110

 6217 21:35:57.345943  # [   54.649057]  ? refcount_warn_saturate+0xba/0x110

 6218 21:35:57.354217  # [   54.<6>[   55.020818] lkdtm: attempting bad refcount_sub_and_test() below zero

 6219 21:35:57.357104  653940]  ? report_bug+0x9e/0xc0

 6220 21:35:57.360313  # [   54.657694]  ? handle_bug+0x41/0x90

 6221 21:35:57.364539  # [   54.661448]  ? exc_invalid_op+0x14/0x70

 6222 21:35:57.369150  # [   54.665549]  ? asm_exc_invalid_op+0x12/0x20

 6223 21:35:57.372584  # [   54.670000]  ? refcount_warn_saturate+0xba/0x110

 6224 21:35:57.380489  # [   54.674883]  __refcount_s<4>[   55.049647] ------------[ cut here ]------------

 6225 21:35:57.383862  ub_and_test.constprop.0+0x3c/0x50

 6226 21:35:57.388990  # [   54.680630]  lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78

 6227 21:35:57.393608  # [   54.686470]  direct_entry.cold+0x2c/0x38

 6228 21:35:57.397681  # [   54.690656]  full_proxy_write+0x56/0x80

 6229 21:35:57.400577  # [   54.694757]  vfs_write+0xea/0x3b0

 6230 21:35:57.407888  # [   54.698339]  ksys<4>[   55.076662] refcount_t: underflow; use-after-free.

 6231 21:35:57.408972  _write+0x68/0xf0

 6232 21:35:57.412723  # [   54.701919]  do_syscall_64+0x33/0x40

 6233 21:35:57.417993  # [   54.705761]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6234 21:35:57.421921  # [   54.711077] RIP: 0033:0x7fd8e866a473

 6235 21:35:57.438337  # [   54.714916] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 <4>[   55.103922] WARNING: CPU: 1 PID: 2237 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110

 6236 21:35:57.449670  64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6237 21:35:57.456849  # [   54.733920] RSP: 002b:00007ffecc257a28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6238 21:35:57.500490  # [   54.741749] RAX: ffffffffffffffda RB<4>[   55.134753] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 cros_ec_dev videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify chromeos_pstore snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table

 6239 21:35:57.504859  X: 000000000000001f RCX: 00007fd8e866a473

 6240 21:35:57.511401  # [   54.749141] RDX: 000000000000001f RSI: 00007fd8e855e000 RDI: 0000000000000001

 6241 21:35:57.519040  # [   54.756533] RBP: 00007fd8e855e000 R08: 00007fd8e855d010 R09: 0000000000000000

 6242 21:35:57.530297  # [   54.763923] R10: fffffffffffffbc5 R11: 0<4>[   55.196817] CPU: 1 PID: 2237 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 6243 21:35:57.534382  000000000000246 R12: 0000000000000001

 6244 21:35:57.541137  # [   54.771312] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6245 21:35:57.544359  # [   54.778709] irq event stamp: 0

 6246 21:35:57.551263  # [   54.782026] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6247 21:35:57.559129  # [   54.788552] hardi<4>[   55.226988] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 6248 21:35:57.566023  rqs last disabled at (0): [<ffffffff8f6fddac>] copy_process+0x65c/0x20e0

 6249 21:35:57.573629  # [   54.796984] softirqs last  enabled at (0): [<ffffffff8f6fddac>] copy_process+0x65c/0x20e0

 6250 21:35:57.580359  # [   54.805416] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6251 21:35:57.586942  # [   54.811<4>[   55.255358] RIP: 0010:refcount_warn_saturate+0xba/0x110

 6252 21:35:57.590186  940] ---[ end trace 0e3e908715a0f307 ]---

 6253 21:35:57.595020  # [   54.816821] lkdtm: Negative detected: saturated

 6254 21:35:57.602622  # REFCOUNT_DEC_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok

 6255 21:35:57.606681  ok 48 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh

 6256 21:35:57.627952  # selftests: lkdtm: REFCOU<4>[   55.283020] Code: 02 01 e8 3b 3e c4 00 0f 0b e9 c2 a1 04 01 80 3d e0 cc 36 02 00 75 85 48 c7 c7 f8 53 97 91 c6 05 d0 cc 36 02 01 e8 18 3e c4 00 <0f> 0b e9 9f a1 04 01 80 3d bb cc 36 02 00 0f 85 5e ff ff ff 48 c7

 6257 21:35:57.630961  NT_SUB_AND_TEST_NEGATIVE.sh

 6258 21:35:57.635995  <4>[   55.324207] RSP: 0018:ffffb258c4367e40 EFLAGS: 00010286

 6259 21:35:57.643327  <4>[   55.332219] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000

 6260 21:35:57.651295  <4>[   55.339715] RDX: ffff91a2ead2c620 RSI: ffff91a2ead1bf50 RDI: ffff91a2ead1bf50

 6261 21:35:57.657850  <4>[   55.347136] RBP: ffffffff91a1a5f8 R08: 0000000000000000 R09: 0000000000000000

 6262 21:35:57.665634  <4>[   55.354590] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f

 6263 21:35:57.672899  <4>[   55.362042] R13: ffffb258c4367f10 R14: ffffb258c4367f10 R15: ffff91a2c35be000

 6264 21:35:57.681627  <4>[   55.369541] FS:  00007fc788c9e580(0000) GS:ffff91a2ead00000(0000) knlGS:0000000000000000

 6265 21:35:57.687361  <4>[   55.377932] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6266 21:35:57.695528  <4>[   55.383970] CR2: 00007fc788a6e000 CR3: 0000000105248000 CR4: 00000000001506e0

 6267 21:35:57.697932  <4>[   55.391434] Call Trace:

 6268 21:35:57.701031  <4>[   55.394245]  ? __warn+0x80/0x110

 6269 21:35:57.707467  <4>[   55.397769]  ? refcount_warn_saturate+0xba/0x110

 6270 21:35:57.710054  <4>[   55.402669]  ? report_bug+0x9e/0xc0

 6271 21:35:57.713955  <4>[   55.406430]  ? handle_bug+0x41/0x90

 6272 21:35:57.718042  <4>[   55.410176]  ? exc_invalid_op+0x14/0x70

 6273 21:35:57.722194  <4>[   55.414271]  ? asm_exc_invalid_op+0x12/0x20

 6274 21:35:57.727724  <4>[   55.418717]  ? refcount_warn_saturate+0xba/0x110

 6275 21:35:57.733219  <4>[   55.423619]  __refcount_sub_and_test.constprop.0+0x3c/0x50

 6276 21:35:57.738717  <4>[   55.429390]  lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b

 6277 21:35:57.743429  <4>[   55.435226]  direct_entry.cold+0x2c/0x38

 6278 21:35:57.747623  <4>[   55.439446]  full_proxy_write+0x56/0x80

 6279 21:35:57.750712  <4>[   55.443550]  vfs_write+0xea/0x3b0

 6280 21:35:57.755563  <4>[   55.447130]  ksys_write+0x68/0xf0

 6281 21:35:57.758332  <4>[   55.450711]  do_syscall_64+0x33/0x40

 6282 21:35:57.763750  <4>[   55.454568]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6283 21:35:57.767141  <4>[   55.459884] RIP: 0033:0x7fc788b7a473

 6284 21:35:57.786307  <4>[   55.463722] 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

 6285 21:35:57.794250  <4>[   55.482728] RSP: 002b:00007ffc04752848 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6286 21:35:57.801370  <4>[   55.490583] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fc788b7a473

 6287 21:35:57.809348  <4>[   55.497982] RDX: 000000000000001f RSI: 00007fc788a6e000 RDI: 0000000000000001

 6288 21:35:57.817617  <4>[   55.505382] RBP: 00007fc788a6e000 R08: 00007fc788a6d010 R09: 0000000000000000

 6289 21:35:57.823713  <4>[   55.512772] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6290 21:35:57.832022  <4>[   55.520171] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6291 21:35:57.834446  <4>[   55.527567] irq event stamp: 0

 6292 21:35:57.840853  <4>[   55.530887] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6293 21:35:57.849702  <4>[   55.537415] hardirqs last disabled at (0): [<ffffffff8f6fddac>] copy_process+0x65c/0x20e0

 6294 21:35:57.858389  <4>[   55.545848] softirqs last  enabled at (0): [<ffffffff8f6fddac>] copy_process+0x65c/0x20e0

 6295 21:35:57.864577  <4>[   55.554289] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6296 21:35:57.869734  <4>[   55.560814] ---[ end trace 0e3e908715a0f308 ]---

 6297 21:35:57.874080  <6>[   55.565692] lkdtm: Negative detected: saturated

 6298 21:35:57.911943  # [   54.994612] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE

 6299 21:35:57.918614  # [   55.020818] lkdtm: attempting bad refcount_sub_and_test() below zero

 6300 21:35:57.923441  # [   55.049647] ------------[ cut here ]------------

 6301 21:35:57.928733  # [   55.076662] refcount_t: underflow; use-after-free.

 6302 21:35:57.936925  # [   55.103922] WARNING: CPU: 1 PID: 2237 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110

 6303 21:35:57.977167  # [   55.134753] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 cros_ec_dev videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify chromeos_pstore snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table

 6304 21:35:57.984458  # [   55.196817] CPU: 1 PID: 2237 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 6305 21:35:57.991466  # [   55.226988] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 6306 21:35:57.996301  # [   55.255358] RIP: 0010:refcount_warn_saturate+0xba/0x110

 6307 21:35:58.014845  # [   55.283020] Code: 02 01 e8 3b 3e c4 00 0f 0b e9 c2 a1 04 01 80 3d e0 cc 36 02 00 75 85 48 c7 c7 f8 53 97 91 c6 05 d0 cc 36 02 01 e8 18 3e c4 00 <0f> 0b e9 9f a1 04 01 80 3d bb cc 36 02 00 0f 85 5e ff ff ff 48 c7

 6308 21:35:58.021949  # [   55.324207] RSP: 0018:ffffb258c4367e40 EFLAGS: 00010286

 6309 21:35:58.028191  # [   55.332219] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000

 6310 21:35:58.034612  # [   55.339715] RDX: ffff91a2ead2c620 RSI: ffff91a2ead1bf50 RDI: ffff91a2ead1bf50

 6311 21:35:58.042656  # [   55.347136] RBP: ffffffff91a1a5f8 R08: 0000000000000000 R09: 0000000000000000

 6312 21:35:58.049266  # [   55.354590] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f

 6313 21:35:58.057046  # [   55.362042] R13: ffffb258c4367f10 R14: ffffb258c4367f10 R15: ffff91a2c35be000

 6314 21:35:58.066465  # [   55.369541] FS:  00007fc788c9e580(0000)<6>[   55.742173] lkdtm: Performing direct entry REFCOUNT_INC_ZERO

 6315 21:35:58.070675   GS:ffff91a2ead00000(0000) knlGS:0000000000000000

 6316 21:35:58.076834  # [   55.377932] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6317 21:35:58.084390  # [   55.383970] CR2: 00007fc788a6e000 CR3: 0000000105248000 CR4: 00000000001506e0

 6318 21:35:58.086483  # [   55.391434] Call Trace:

 6319 21:35:58.095115  # [   55.394245]  ? __w<6>[   55.762744] lkdtm: attempting safe refcount_inc_not_zero() from zero

 6320 21:35:58.097823  arn+0x80/0x110

 6321 21:35:58.101260  # [   55.397769]  ? refcount_warn_saturate+0xba/0x110

 6322 21:35:58.105163  # [   55.402669]  ? report_bug+0x9e/0xc0

 6323 21:35:58.108907  # [   55.406430]  ? handle_bug+0x41/0x90

 6324 21:35:58.112678  # [   55.410176]  ? exc_invalid_op+0x14/0x70

 6325 21:35:58.117378  # [   55.414271]  ? asm_exc_invalid_op+0x12/0x20

 6326 21:35:58.121630  # [  <6>[   55.791550] lkdtm: Good: zero detected

 6327 21:35:58.125735   55.418717]  ? refcount_warn_saturate+0xba/0x110

 6328 21:35:58.131944  # [   55.423619]  __refcount_sub_and_test.constprop.0+0x3c/0x50

 6329 21:35:58.137301  # [   55.429390]  lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b

 6330 21:35:58.142426  # [   55.435226]  direct_entry.cold+0x2c/0x38

 6331 21:35:58.147880  # [   55.439446]  full_proxy<6>[   55.817726] lkdtm: Correctly stayed at zero

 6332 21:35:58.149906  _write+0x56/0x80

 6333 21:35:58.152931  # [   55.443550]  vfs_write+0xea/0x3b0

 6334 21:35:58.156948  # [   55.447130]  ksys_write+0x68/0xf0

 6335 21:35:58.160236  # [   55.450711]  do_syscall_64+0x33/0x40

 6336 21:35:58.165203  # [   55.454568]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6337 21:35:58.169281  # [   55.459884] RIP: 0033:0x7fc788b7a473

 6338 21:35:58.176209  # [   55.463<6>[   55.844342] lkdtm: attempting bad refcount_inc() from zero

 6339 21:35:58.193438  722] 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

 6340 21:35:58.202537  # [   55.482728] RSP: 002b:00007ffc04752848 EFLAGS<4>[   55.872261] ------------[ cut here ]------------

 6341 21:35:58.206467  : 00000246 ORIG_RAX: 0000000000000001

 6342 21:35:58.214674  # [   55.490583] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fc788b7a473

 6343 21:35:58.220932  # [   55.497982] RDX: 000000000000001f RSI: 00007fc788a6e000 RDI: 0000000000000001

 6344 21:35:58.230697  # [   55.505382] RBP: 00007fc788a6e000 R08: 00007<4>[   55.899308] refcount_t: addition on 0; use-after-free.

 6345 21:35:58.234092  fc788a6d010 R09: 0000000000000000

 6346 21:35:58.240764  # [   55.512772] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6347 21:35:58.248572  # [   55.520171] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6348 21:35:58.251362  # [   55.527567] irq event stamp: 0

 6349 21:35:58.261498  # [   55.530887]<4>[   55.926937] WARNING: CPU: 1 PID: 2270 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110

 6350 21:35:58.267155   hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6351 21:35:58.275704  # [   55.537415] hardirqs last disabled at (0): [<ffffffff8f6fddac>] copy_process+0x65c/0x20e0

 6352 21:35:58.283428  # [   55.545848] softirqs last  enabled at (0): [<ffffffff8f6fddac>] copy_process+0x65c/0x20e0

 6353 21:35:58.323608  # [   <4>[   55.957771] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 cros_ec_dev videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify chromeos_pstore snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table

 6354 21:35:58.329529  55.554289] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6355 21:35:58.334426  # [   55.560814] ---[ end trace 0e3e908715a0f308 ]---

 6356 21:35:58.339483  # [   55.565692] lkdtm: Negative detected: saturated

 6357 21:35:58.345341  # REFCOUNT_SUB_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok

 6358 21:35:58.354216  ok 49<4>[   56.019835] CPU: 1 PID: 2270 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 6359 21:35:58.360259   selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh

 6360 21:35:58.362736  # selftests: lkdtm: REFCOUNT_INC_ZERO.sh

 6361 21:35:58.367916  <4>[   56.050006] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 6362 21:35:58.373338  <4>[   56.064521] RIP: 0010:refcount_warn_saturate+0x74/0x110

 6363 21:35:58.392865  <4>[   56.070109] Code: 02 01 e8 81 3e c4 00 0f 0b e9 08 a2 04 01 80 3d 27 cd 36 02 00 75 cb 48 c7 c7 c8 53 97 91 c6 05 17 cd 36 02 01 e8 5e 3e c4 00 <0f> 0b e9 e5 a1 04 01 80 3d 06 cd 36 02 00 75 a8 48 c7 c7 a0 53 97

 6364 21:35:58.398310  <4>[   56.089139] RSP: 0018:ffffb258c43efe48 EFLAGS: 00010286

 6365 21:35:58.406157  <4>[   56.094676] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000

 6366 21:35:58.412914  <4>[   56.102109] RDX: ffff91a2ead2c620 RSI: ffff91a2ead1bf50 RDI: ffff91a2ead1bf50

 6367 21:35:58.420461  <4>[   56.109533] RBP: ffffffff91a1a999 R08: 0000000000000000 R09: 0000000000000000

 6368 21:35:58.427909  <4>[   56.116937] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012

 6369 21:35:58.435157  <4>[   56.124364] R13: ffffb258c43eff10 R14: ffffb258c43eff10 R15: ffff91a2c35b8000

 6370 21:35:58.443678  <4>[   56.131771] FS:  00007fcf584ee580(0000) GS:ffff91a2ead00000(0000) knlGS:0000000000000000

 6371 21:35:58.449679  <4>[   56.140154] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6372 21:35:58.456811  <4>[   56.146173] CR2: 00007fcf582ee000 CR3: 0000000102fbe000 CR4: 00000000001506e0

 6373 21:35:58.459583  <4>[   56.153621] Call Trace:

 6374 21:35:58.463201  <4>[   56.156371]  ? __warn+0x80/0x110

 6375 21:35:58.468128  <4>[   56.159911]  ? refcount_warn_saturate+0x74/0x110

 6376 21:35:58.472289  <4>[   56.164819]  ? report_bug+0x9e/0xc0

 6377 21:35:58.475896  <4>[   56.168623]  ? handle_bug+0x41/0x90

 6378 21:35:58.480254  <4>[   56.172384]  ? exc_invalid_op+0x14/0x70

 6379 21:35:58.484799  <4>[   56.176482]  ? asm_exc_invalid_op+0x12/0x20

 6380 21:35:58.489807  <4>[   56.180930]  ? refcount_warn_saturate+0x74/0x110

 6381 21:35:58.494910  <4>[   56.185807]  ? refcount_warn_saturate+0x74/0x110

 6382 21:35:58.498732  <4>[   56.190716]  lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1

 6383 21:35:58.503729  <4>[   56.195433]  direct_entry.cold+0x2c/0x38

 6384 21:35:58.507823  <4>[   56.199622]  full_proxy_write+0x56/0x80

 6385 21:35:58.511485  <4>[   56.203721]  vfs_write+0xea/0x3b0

 6386 21:35:58.514901  <4>[   56.207299]  ksys_write+0x68/0xf0

 6387 21:35:58.518234  <4>[   56.210876]  do_syscall_64+0x33/0x40

 6388 21:35:58.524485  <4>[   56.214717]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6389 21:35:58.528002  <4>[   56.220052] RIP: 0033:0x7fcf583fa473

 6390 21:35:58.546357  <4>[   56.223897] 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

 6391 21:35:58.554566  <4>[   56.242902] RSP: 002b:00007ffcf975dc28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6392 21:35:58.561623  <4>[   56.250749] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fcf583fa473

 6393 21:35:58.569974  <4>[   56.258157] RDX: 0000000000000012 RSI: 00007fcf582ee000 RDI: 0000000000000001

 6394 21:35:58.576822  <4>[   56.265547] RBP: 00007fcf582ee000 R08: 00007fcf582ed010 R09: 0000000000000000

 6395 21:35:58.583648  <4>[   56.272938] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6396 21:35:58.591276  <4>[   56.280330] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6397 21:35:58.594617  <4>[   56.287751] irq event stamp: 0

 6398 21:35:58.601152  <4>[   56.291077] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6399 21:35:58.609815  <4>[   56.297614] hardirqs last disabled at (0): [<ffffffff8f6fddac>] copy_process+0x65c/0x20e0

 6400 21:35:58.617874  <4>[   56.306046] softirqs last  enabled at (0): [<ffffffff8f6fddac>] copy_process+0x65c/0x20e0

 6401 21:35:58.624868  <4>[   56.314477] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6402 21:35:58.629428  <4>[   56.321009] ---[ end trace 0e3e908715a0f309 ]---

 6403 21:35:58.633864  <6>[   56.325888] lkdtm: Zero detected: saturated

 6404 21:35:58.676617  # [   55.742173] lkdtm: Performing direct entry REFCOUNT_INC_ZERO

 6405 21:35:58.681774  # [   55.762744] lkdtm: attempting safe refcount_inc_not_zero() from zero

 6406 21:35:58.685295  # [   55.791550] lkdtm: Good: zero detected

 6407 21:35:58.689512  # [   55.817726] lkdtm: Correctly stayed at zero

 6408 21:35:58.695537  # [   55.844342] lkdtm: attempting bad refcount_inc() from zero

 6409 21:35:58.701408  # [   55.872261] ------------[ cut here ]------------

 6410 21:35:58.705874  # [   55.899308] refcount_t: addition on 0; use-after-free.

 6411 21:35:58.714076  # [   55.926937] WARNING: CPU: 1 PID: 2270 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110

 6412 21:35:58.754274  # [   55.957771] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 cros_ec_dev videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify chromeos_pstore snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table

 6413 21:35:58.762485  # [   56.019835] CPU: 1 PID: 2270 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 6414 21:35:58.768316  # [   56.050006] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 6415 21:35:58.773296  # [   56.064521] RIP: 0010:refcount_warn_saturate+0x74/0x110

 6416 21:35:58.792255  # [   56.070109] Code: 02 01 e8 81 3e c4 00 0f 0b e9 08 a2 04 01 80 3d 27 cd 36 02 00 75 cb 48 c7 c7 c8 53 97 91 c6 05 17 cd 36 02 01 e8 5e 3e c4 00 <0f> 0b e9 e5 a1 04 01 80 3d 06 cd 36 02 00 75 a8 48 c7 c7 a0 53 97

 6417 21:35:58.797269  # [   56.089139] RSP: 0018:ffffb258c43efe48 EFLAGS: 00010286

 6418 21:35:58.806358  # [   56.094676] RAX: 00000000000000<6>[   56.477202] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO

 6419 21:35:58.810946  00 RBX: 0000000000000033 RCX: 0000000000000000

 6420 21:35:58.817914  # [   56.102109] RDX: ffff91a2ead2c620 RSI: ffff91a2ead1bf50 RDI: ffff91a2ead1bf50

 6421 21:35:58.825685  # [   56.109533] RBP: ffffffff91a1a999 R08: 0000000000000000 R09: 0000000000000000

 6422 21:35:58.835133  # [   56.116937] R10: 00000000ffffe000 R<6>[   56.502765] lkdtm: attempting safe refcount_add_not_zero() from zero

 6423 21:35:58.839126  11: 3fffffffffffffff R12: 0000000000000012

 6424 21:35:58.847113  # [   56.124364] R13: ffffb258c43eff10 R14: ffffb258c43eff10 R15: ffff91a2c35b8000

 6425 21:35:58.854398  # [   56.131771] FS:  00007fcf584ee580(0000) GS:ffff91a2ead00000(0000) knlGS:0000000000000000

 6426 21:35:58.861707  # [   56.140154] CS:  0010 DS: 00<6>[   56.531566] lkdtm: Good: zero detected

 6427 21:35:58.864947  00 ES: 0000 CR0: 0000000080050033

 6428 21:35:58.871699  # [   56.146173] CR2: 00007fcf582ee000 CR3: 0000000102fbe000 CR4: 00000000001506e0

 6429 21:35:58.874197  # [   56.153621] Call Trace:

 6430 21:35:58.878145  # [   56.156371]  ? __warn+0x80/0x110

 6431 21:35:58.883159  # [   56.159911]  ? refcount_warn_saturate+0x74/0x110

 6432 21:35:58.888089  # [   56.1648<6>[   56.557776] lkdtm: Correctly stayed at zero

 6433 21:35:58.891008  19]  ? report_bug+0x9e/0xc0

 6434 21:35:58.894349  # [   56.168623]  ? handle_bug+0x41/0x90

 6435 21:35:58.898461  # [   56.172384]  ? exc_invalid_op+0x14/0x70

 6436 21:35:58.902512  # [   56.176482]  ? asm_exc_invalid_op+0x12/0x20

 6437 21:35:58.907466  # [   56.180930]  ? refcount_warn_saturate+0x74/0x110

 6438 21:35:58.915853  # [   56.185807]  ? refcount_warn_<6>[   56.584389] lkdtm: attempting bad refcount_add() from zero

 6439 21:35:58.918554  saturate+0x74/0x110

 6440 21:35:58.922310  # [   56.190716]  lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1

 6441 21:35:58.926336  # [   56.195433]  direct_entry.cold+0x2c/0x38

 6442 21:35:58.931185  # [   56.199622]  full_proxy_write+0x56/0x80

 6443 21:35:58.934153  # [   56.203721]  vfs_write+0xea/0x3b0

 6444 21:35:58.937736  # [   56.207299]  ksys_write+0x68/0xf0

 6445 21:35:58.943563  # [   56.<4>[   56.612397] ------------[ cut here ]------------

 6446 21:35:58.946219  210876]  do_syscall_64+0x33/0x40

 6447 21:35:58.950985  # [   56.214717]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6448 21:35:58.954639  # [   56.220052] RIP: 0033:0x7fcf583fa473

 6449 21:35:58.970706  # [   56.223897] 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 <4>[   56.639384] refcount_t: addition on 0; use-after-free.

 6450 21:35:58.978926  c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6451 21:35:58.987072  # [   56.242902] RSP: 002b:00007ffcf975dc28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6452 21:35:59.001039  # [   56.250749] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00<4>[   56.666953] WARNING: CPU: 1 PID: 2303 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110

 6453 21:35:59.002607  007fcf583fa473

 6454 21:35:59.010864  # [   56.258157] RDX: 0000000000000012 RSI: 00007fcf582ee000 RDI: 0000000000000001

 6455 21:35:59.017191  # [   56.265547] RBP: 00007fcf582ee000 R08: 00007fcf582ed010 R09: 0000000000000000

 6456 21:35:59.064439  # [   56.272938] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 000000<4>[   56.697855] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 cros_ec_dev videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify chromeos_pstore snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table

 6457 21:35:59.064582  0000000001

 6458 21:35:59.072269  # [   56.280330] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6459 21:35:59.076420  # [   56.287751] irq event stamp: 0

 6460 21:35:59.082289  # [   56.291077] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6461 21:35:59.094037  # [   56.297614] hardirqs last disabled at (0): [<4>[   56.759867] CPU: 1 PID: 2303 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 6462 21:35:59.098228  <ffffffff8f6fddac>] copy_process+0x65c/0x20e0

 6463 21:35:59.106540  # [   56.306046] softirqs last  enabled at (0): [<ffffffff8f6fddac>] copy_process+0x65c/0x20e0

 6464 21:35:59.112324  # [   56.314477] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6465 21:35:59.122451  # [   56.321009] ---[ end trace 0e3e908<4>[   56.790046] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 6466 21:35:59.123654  715a0f309 ]---

 6467 21:35:59.127862  # [   56.325888] lkdtm: Zero detected: saturated

 6468 21:35:59.131656  # REFCOUNT_INC_ZERO: saw 'call trace:': ok

 6469 21:35:59.135682  ok 50 selftests: lkdtm: REFCOUNT_INC_ZERO.sh

 6470 21:35:59.138869  # selftests: lkdtm: REFCOUNT_ADD_ZERO.sh

 6471 21:35:59.146176  <4>[   56.818401] RIP: 0010:refcount_warn_saturate+0x74/0x110

 6472 21:35:59.163323  <4>[   56.841052] Code: 02 01 e8 81 3e c4 00 0f 0b e9 08 a2 04 01 80 3d 27 cd 36 02 00 75 cb 48 c7 c7 c8 53 97 91 c6 05 17 cd 36 02 01 e8 5e 3e c4 00 <0f> 0b e9 e5 a1 04 01 80 3d 06 cd 36 02 00 75 a8 48 c7 c7 a0 53 97

 6473 21:35:59.169096  <4>[   56.860072] RSP: 0018:ffffb258c4457e48 EFLAGS: 00010286

 6474 21:35:59.177013  <4>[   56.865582] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000

 6475 21:35:59.184043  <4>[   56.872988] RDX: ffff91a2ead2c620 RSI: ffff91a2ead1bf50 RDI: ffff91a2ead1bf50

 6476 21:35:59.192034  <4>[   56.880397] RBP: ffffffff91a1a9ab R08: 0000000000000000 R09: 0000000000000000

 6477 21:35:59.198681  <4>[   56.887806] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012

 6478 21:35:59.206917  <4>[   56.895221] R13: ffffb258c4457f10 R14: ffffb258c4457f10 R15: ffff91a2c46fa000

 6479 21:35:59.214590  <4>[   56.902628] FS:  00007fa1a9b22580(0000) GS:ffff91a2ead00000(0000) knlGS:0000000000000000

 6480 21:35:59.221497  <4>[   56.911093] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6481 21:35:59.227882  <4>[   56.917110] CR2: 00007fa1a98ee000 CR3: 00000001036b2000 CR4: 00000000001506e0

 6482 21:35:59.230841  <4>[   56.924566] Call Trace:

 6483 21:35:59.234283  <4>[   56.927302]  ? __warn+0x80/0x110

 6484 21:35:59.239132  <4>[   56.930843]  ? refcount_warn_saturate+0x74/0x110

 6485 21:35:59.243060  <4>[   56.935743]  ? report_bug+0x9e/0xc0

 6486 21:35:59.246823  <4>[   56.939572]  ? handle_bug+0x41/0x90

 6487 21:35:59.251139  <4>[   56.943376]  ? exc_invalid_op+0x14/0x70

 6488 21:35:59.255494  <4>[   56.947527]  ? asm_exc_invalid_op+0x12/0x20

 6489 21:35:59.260210  <4>[   56.952074]  ? refcount_warn_saturate+0x74/0x110

 6490 21:35:59.265436  <4>[   56.957027]  ? refcount_warn_saturate+0x74/0x110

 6491 21:35:59.270249  <4>[   56.961986]  lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1

 6492 21:35:59.274534  <4>[   56.966782]  direct_entry.cold+0x2c/0x38

 6493 21:35:59.278635  <4>[   56.971052]  full_proxy_write+0x56/0x80

 6494 21:35:59.282407  <4>[   56.975253]  vfs_write+0xea/0x3b0

 6495 21:35:59.285711  <4>[   56.978903]  ksys_write+0x68/0xf0

 6496 21:35:59.289902  <4>[   56.982535]  do_syscall_64+0x33/0x40

 6497 21:35:59.295644  <4>[   56.986458]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6498 21:35:59.300028  <4>[   56.991839] RIP: 0033:0x7fa1a99fa473

 6499 21:35:59.318881  <4>[   56.995718] 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

 6500 21:35:59.326125  <4>[   57.014753] RSP: 002b:00007ffe612ef1d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6501 21:35:59.334386  <4>[   57.022592] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fa1a99fa473

 6502 21:35:59.341010  <4>[   57.029979] RDX: 0000000000000012 RSI: 00007fa1a98ee000 RDI: 0000000000000001

 6503 21:35:59.348390  <4>[   57.037381] RBP: 00007fa1a98ee000 R08: 00007fa1a98ed010 R09: 0000000000000000

 6504 21:35:59.356288  <4>[   57.044769] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6505 21:35:59.363090  <4>[   57.052182] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6506 21:35:59.367467  <4>[   57.059581] irq event stamp: 0

 6507 21:35:59.372945  <4>[   57.062901] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6508 21:35:59.381822  <4>[   57.069444] hardirqs last disabled at (0): [<ffffffff8f6fddac>] copy_process+0x65c/0x20e0

 6509 21:35:59.390332  <4>[   57.077875] softirqs last  enabled at (0): [<ffffffff8f6fddac>] copy_process+0x65c/0x20e0

 6510 21:35:59.396943  <4>[   57.086320] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6511 21:35:59.401059  <4>[   57.092845] ---[ end trace 0e3e908715a0f30a ]---

 6512 21:35:59.405590  <6>[   57.097724] lkdtm: Zero detected: saturated

 6513 21:35:59.439986  # [   56.477202] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO

 6514 21:35:59.447433  # [   56.502765] lkdtm: attempting safe refcount_add_not_zero() from zero

 6515 21:35:59.450339  # [   56.531566] lkdtm: Good: zero detected

 6516 21:35:59.454728  # [   56.557776] lkdtm: Correctly stayed at zero

 6517 21:35:59.460206  # [   56.584389] lkdtm: attempting bad refcount_add() from zero

 6518 21:35:59.466269  # [   56.612397] ------------[ cut here ]------------

 6519 21:35:59.470850  # [   56.639384] refcount_t: addition on 0; use-after-free.

 6520 21:35:59.479109  # [   56.666953] WARNING: CPU: 1 PID: 2303 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110

 6521 21:35:59.519065  # [   56.697855] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 cros_ec_dev videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify chromeos_pstore snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table

 6522 21:35:59.526609  # [   56.759867] CPU: 1 PID: 2303 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 6523 21:35:59.532911  # [   56.790046] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 6524 21:35:59.538370  # [   56.818401] RIP: 0010:refcount_warn_saturate+0x74/0x110

 6525 21:35:59.557097  # [   56.841052] Code: 02 01 e8 81 3e c4 00 0f 0b e9 08 a2 04 01 80 3d 27 cd 36 02 00 75 cb 48 c7 c7 c8 53 97 91 c6 05 17 cd 36 02 01 e8 5e 3e c4 00 <0f> 0b e9 e5 a1 04 01 80 3d 06 cd 36 02 00 75 a8 48 c7 c7 a0 53 97

 6526 21:35:59.562374  # [   56.860072] RSP: 0018:ffffb258c4457e48 EFLAGS: 00010286

 6527 21:35:59.569879  # [   56.865582] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000

 6528 21:35:59.581408  # [   56.872988] RDX: ffff91a2ead2c620 RSI: ffff91a2ead1bf50 RDI: <6>[   57.254000] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED

 6529 21:35:59.583377  ffff91a2ead1bf50

 6530 21:35:59.591483  # [   56.880397] RBP: ffffffff91a1a9ab R08: 0000000000000000 R09: 0000000000000000

 6531 21:35:59.597810  # [   56.887806] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012

 6532 21:35:59.609836  # [   56.895221] R13: ffffb258c4457f10 R14: ffffb258c4457f10 R15: ffff<6>[   57.278123] lkdtm: attempting bad refcount_inc() from saturated

 6533 21:35:59.612521  91a2c46fa000

 6534 21:35:59.619831  # [   56.902628] FS:  00007fa1a9b22580(0000) GS:ffff91a2ead00000(0000) knlGS:0000000000000000

 6535 21:35:59.625206  # [   56.911093] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6536 21:35:59.638317  # [   56.917110] CR2: 00007fa1a98ee000 CR3: 00000001036b2000 CR4: 0000000000150<4>[   57.306541] ------------[ cut here ]------------

 6537 21:35:59.638433  6e0

 6538 21:35:59.640511  # [   56.924566] Call Trace:

 6539 21:35:59.644384  # [   56.927302]  ? __warn+0x80/0x110

 6540 21:35:59.648836  # [   56.930843]  ? refcount_warn_saturate+0x74/0x110

 6541 21:35:59.652397  # [   56.935743]  ? report_bug+0x9e/0xc0

 6542 21:35:59.655691  # [   56.939572]  ? handle_bug+0x41/0x90

 6543 21:35:59.664513  # [   56.943376]  ? exc_invalid_op+0x14/0x7<4>[   57.333601] refcount_t: saturated; leaking memory.

 6544 21:35:59.664610  0

 6545 21:35:59.670099  # [   56.947527]  ? asm_exc_invalid_op+0x12/0x20

 6546 21:35:59.673491  # [   56.952074]  ? refcount_warn_saturate+0x74/0x110

 6547 21:35:59.678895  # [   56.957027]  ? refcount_warn_saturate+0x74/0x110

 6548 21:35:59.682932  # [   56.961986]  lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1

 6549 21:35:59.695309  # [   56.966782]  direct_entry.cold+0x2c<4>[   57.360916] WARNING: CPU: 0 PID: 2339 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110

 6550 21:35:59.696449  /0x38

 6551 21:35:59.700626  # [   56.971052]  full_proxy_write+0x56/0x80

 6552 21:35:59.703230  # [   56.975253]  vfs_write+0xea/0x3b0

 6553 21:35:59.706669  # [   56.978903]  ksys_write+0x68/0xf0

 6554 21:35:59.711045  # [   56.982535]  do_syscall_64+0x33/0x40

 6555 21:35:59.716097  # [   56.986458]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6556 21:35:59.757905  # [   56.991839] RIP<4>[   57.391715] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 cros_ec_dev videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify chromeos_pstore snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table

 6557 21:35:59.760140  : 0033:0x7fa1a99fa473

 6558 21:35:59.778330  # [   56.995718] 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

 6559 21:35:59.787341  # [   57.014753<4>[   57.453798] CPU: 0 PID: 2339 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 6560 21:35:59.793916  ] RSP: 002b:00007ffe612ef1d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6561 21:35:59.802311  # [   57.022592] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fa1a99fa473

 6562 21:35:59.808208  # [   57.029979] RDX: 0000000000000012 RSI: 00007fa1a98ee000 RDI: 0000000000000001

 6563 21:35:59.815670  # [   57.03738<4>[   57.483976] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 6564 21:35:59.821869  1] RBP: 00007fa1a98ee000 R08: 00007fa1a98ed010 R09: 0000000000000000

 6565 21:35:59.829089  # [   57.044769] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6566 21:35:59.836514  # [   57.052182] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6567 21:35:59.844311  # [   57.059581] i<4>[   57.512340] RIP: 0010:refcount_warn_saturate+0x51/0x110

 6568 21:35:59.845058  rq event stamp: 0

 6569 21:35:59.851572  # [   57.062901] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6570 21:35:59.860006  # [   57.069444] hardirqs last disabled at (0): [<ffffffff8f6fddac>] copy_process+0x65c/0x20e0

 6571 21:35:59.884549  # [   57.077875] softirqs last  enabled at (0): [<ffffffff8f6fddac><4>[   57.540009] Code: 84 bc 00 00 00 e9 2f a2 04 01 85 f6 74 46 80 3d 4b cd 36 02 00 75 ee 48 c7 c7 a0 53 97 91 c6 05 3b cd 36 02 01 e8 81 3e c4 00 <0f> 0b e9 08 a2 04 01 80 3d 27 cd 36 02 00 75 cb 48 c7 c7 c8 53 97

 6572 21:35:59.887406  ] copy_process+0x65c/0x20e0

 6573 21:35:59.894173  # [   57.086320] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6574 21:35:59.899067  # [   57.092845] ---[ end trace 0e3e908715a0f30a ]---

 6575 21:35:59.902663  # [   57.097724] lkdtm: Zero detected: saturated

 6576 21:35:59.906935  # REFCOUNT_ADD_ZERO: saw 'call trace:': ok

 6577 21:35:59.912424  ok 5<4>[   57.581192] RSP: 0018:ffffb258c44cfe48 EFLAGS: 00010286

 6578 21:35:59.916020  1 selftests: lkdtm: REFCOUNT_ADD_ZERO.sh

 6579 21:35:59.920890  # selftests: lkdtm: REFCOUNT_INC_SATURATED.sh

 6580 21:35:59.927925  <4>[   57.608828] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000

 6581 21:35:59.934639  <4>[   57.623905] RDX: ffff91a2eac2c620 RSI: ffff91a2eac1bf50 RDI: ffff91a2eac1bf50

 6582 21:35:59.942638  <4>[   57.631304] RBP: ffffffff91a1a9bd R08: 0000000000000000 R09: 0000000000000000

 6583 21:35:59.949875  <4>[   57.638704] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017

 6584 21:35:59.956995  <4>[   57.646097] R13: ffffb258c44cff10 R14: ffffb258c44cff10 R15: ffff91a2c35b7000

 6585 21:35:59.966309  <4>[   57.653490] FS:  00007f9d21fb0580(0000) GS:ffff91a2eac00000(0000) knlGS:0000000000000000

 6586 21:35:59.971596  <4>[   57.661835] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6587 21:35:59.979120  <4>[   57.667841] CR2: 00007f9d21d7e000 CR3: 0000000103a66000 CR4: 00000000001506f0

 6588 21:35:59.981252  <4>[   57.675233] Call Trace:

 6589 21:35:59.984794  <4>[   57.677953]  ? __warn+0x80/0x110

 6590 21:35:59.989781  <4>[   57.681471]  ? refcount_warn_saturate+0x51/0x110

 6591 21:35:59.993863  <4>[   57.686357]  ? report_bug+0x9e/0xc0

 6592 21:35:59.997430  <4>[   57.690113]  ? handle_bug+0x41/0x90

 6593 21:36:00.002924  <4>[   57.693868]  ? exc_invalid_op+0x14/0x70

 6594 21:36:00.006352  <4>[   57.697970]  ? asm_exc_invalid_op+0x12/0x20

 6595 21:36:00.010884  <4>[   57.702422]  ? refcount_warn_saturate+0x51/0x110

 6596 21:36:00.015618  <4>[   57.707302]  ? refcount_warn_saturate+0x51/0x110

 6597 21:36:00.020750  <4>[   57.712182]  lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64

 6598 21:36:00.025007  <4>[   57.717325]  direct_entry.cold+0x2c/0x38

 6599 21:36:00.029195  <4>[   57.721548]  full_proxy_write+0x56/0x80

 6600 21:36:00.033998  <4>[   57.725652]  vfs_write+0xea/0x3b0

 6601 21:36:00.036522  <4>[   57.729232]  ksys_write+0x68/0xf0

 6602 21:36:00.039863  <4>[   57.732813]  do_syscall_64+0x33/0x40

 6603 21:36:00.045490  <4>[   57.736671]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6604 21:36:00.050377  <4>[   57.741986] RIP: 0033:0x7f9d21e8a473

 6605 21:36:00.069591  <4>[   57.745827] 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

 6606 21:36:00.076484  <4>[   57.764831] RSP: 002b:00007fff2bad2698 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6607 21:36:00.083490  <4>[   57.772658] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f9d21e8a473

 6608 21:36:00.091650  <4>[   57.780050] RDX: 0000000000000017 RSI: 00007f9d21d7e000 RDI: 0000000000000001

 6609 21:36:00.098447  <4>[   57.787441] RBP: 00007f9d21d7e000 R08: 00007f9d21d7d010 R09: 0000000000000000

 6610 21:36:00.105927  <4>[   57.794833] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6611 21:36:00.113374  <4>[   57.802224] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6612 21:36:00.117049  <4>[   57.809621] irq event stamp: 0

 6613 21:36:00.123018  <4>[   57.812940] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6614 21:36:00.131827  <4>[   57.819465] hardirqs last disabled at (0): [<ffffffff8f6fddac>] copy_process+0x65c/0x20e0

 6615 21:36:00.139905  <4>[   57.827899] softirqs last  enabled at (0): [<ffffffff8f6fddac>] copy_process+0x65c/0x20e0

 6616 21:36:00.146228  <4>[   57.836333] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6617 21:36:00.153934  <4>[   57.842876] ---[ end trace 0e3e908715a0f30b ]---

 6618 21:36:00.156712  <6>[   57.847754] lkdtm: Saturation detected: still saturated

 6619 21:36:00.191948  # [   57.254000] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED

 6620 21:36:00.198429  # [   57.278123] lkdtm: attempting bad refcount_inc() from saturated

 6621 21:36:00.202871  # [   57.306541] ------------[ cut here ]------------

 6622 21:36:00.207575  # [   57.333601] refcount_t: saturated; leaking memory.

 6623 21:36:00.216198  # [   57.360916] WARNING: CPU: 0 PID: 2339 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110

 6624 21:36:00.256075  # [   57.391715] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 cros_ec_dev videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify chromeos_pstore snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table

 6625 21:36:00.263841  # [   57.453798] CPU: 0 PID: 2339 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 6626 21:36:00.270025  # [   57.483976] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 6627 21:36:00.275927  # [   57.512340] RIP: 0010:refcount_warn_saturate+0x51/0x110

 6628 21:36:00.296114  # [   57.540009] Code: 84 bc 00 00 00 e9 2f a2 04 01 85 f6 74 46 80 3d 4b cd 36 02 00 75 ee 48 c7 c7 a0 53 97 91 c6 05 3b cd 36 02 01 e8 81 3e c4 00 <0f> 0b e9 08 a2 04 01 80 3d 27 cd 36 02 00 75 cb 48 c7 c7 c8 53 97

 6629 21:36:00.300199  # [   57.581192] RSP: 0018:ffffb258c44cfe48 EFLAGS: 00010286

 6630 21:36:00.308169  # [   57.608828] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000

 6631 21:36:00.314856  # [   57.623905] RDX: ffff91a2eac2c620 RSI: ffff91a2eac1bf50 RDI: ffff91a2eac1bf50

 6632 21:36:00.321372  # [   57.631304] RBP: ffffffff91a1a9bd R08: 0000000000000000 R09: 0000000000000000

 6633 21:36:00.329606  # [   57.638704] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017

 6634 21:36:00.336124  # [   57.646097] R13: ffffb258c44cff10 R14: ffffb258c44cff10 R15: ffff91a2c35b7000

 6635 21:36:00.344370  # [   57.653490] FS:  00007f9d21fb0580(0000) GS:ffff91a2eac00000(0000) knlGS:0000000000000000

 6636 21:36:00.351926  # [   57.661835]<6>[   58.027954] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED

 6637 21:36:00.357161   CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6638 21:36:00.364223  # [   57.667841] CR2: 00007f9d21d7e000 CR3: 0000000103a66000 CR4: 00000000001506f0

 6639 21:36:00.366692  # [   57.675233] Call Trace:

 6640 21:36:00.369969  # [   57.677953]  ? __warn+0x80/0x110

 6641 21:36:00.380684  # [   57.681471]  ? refcount_warn_saturate+0x51/0x1<6>[   58.048578] lkdtm: attempting bad refcount_dec() from saturated

 6642 21:36:00.380769  10

 6643 21:36:00.384761  # [   57.686357]  ? report_bug+0x9e/0xc0

 6644 21:36:00.388589  # [   57.690113]  ? handle_bug+0x41/0x90

 6645 21:36:00.392704  # [   57.693868]  ? exc_invalid_op+0x14/0x70

 6646 21:36:00.396687  # [   57.697970]  ? asm_exc_invalid_op+0x12/0x20

 6647 21:36:00.401716  # [   57.702422]  ? refcount_warn_saturate+0x51/0x110

 6648 21:36:00.407487  # [   57.707302] <4>[   58.076942] ------------[ cut here ]------------

 6649 21:36:00.411633   ? refcount_warn_saturate+0x51/0x110

 6650 21:36:00.415939  # [   57.712182]  lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64

 6651 21:36:00.420066  # [   57.717325]  direct_entry.cold+0x2c/0x38

 6652 21:36:00.424687  # [   57.721548]  full_proxy_write+0x56/0x80

 6653 21:36:00.427693  # [   57.725652]  vfs_write+0xea/0x3b0

 6654 21:36:00.435131  # [   57.729232]  ksys_writ<4>[   58.103986] refcount_t: decrement hit 0; leaking memory.

 6655 21:36:00.437199  e+0x68/0xf0

 6656 21:36:00.440009  # [   57.732813]  do_syscall_64+0x33/0x40

 6657 21:36:00.445672  # [   57.736671]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6658 21:36:00.449371  # [   57.741986] RIP: 0033:0x7f9d21e8a473

 6659 21:36:00.466685  # [   57.745827] 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<4>[   58.131777] WARNING: CPU: 1 PID: 2375 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110

 6660 21:36:00.476709   04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6661 21:36:00.485960  # [   57.764831] RSP: 002b:00007fff2bad2698 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6662 21:36:00.528174  # [   57.772658] RAX: ffffffffffffffda RBX: 00<4>[   58.162600] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 cros_ec_dev videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify chromeos_pstore snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table

 6663 21:36:00.532311  00000000000017 RCX: 00007f9d21e8a473

 6664 21:36:00.538897  # [   57.780050] RDX: 0000000000000017 RSI: 00007f9d21d7e000 RDI: 0000000000000001

 6665 21:36:00.546225  # [   57.787441] RBP: 00007f9d21d7e000 R08: 00007f9d21d7d010 R09: 0000000000000000

 6666 21:36:00.559833  # [   57.794833] R10: fffffffffffffbc5 R11: 000000<4>[   58.224670] CPU: 1 PID: 2375 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 6667 21:36:00.562148  0000000246 R12: 0000000000000001

 6668 21:36:00.569011  # [   57.802224] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6669 21:36:00.571925  # [   57.809621] irq event stamp: 0

 6670 21:36:00.578145  # [   57.812940] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6671 21:36:00.586961  # [   57.819465] hardirqs l<4>[   58.254841] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 6672 21:36:00.593707  ast disabled at (0): [<ffffffff8f6fddac>] copy_process+0x65c/0x20e0

 6673 21:36:00.602009  # [   57.827899] softirqs last  enabled at (0): [<ffffffff8f6fddac>] copy_process+0x65c/0x20e0

 6674 21:36:00.607590  # [   57.836333] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6675 21:36:00.615126  # [   57.842876] <4>[   58.283190] RIP: 0010:refcount_warn_saturate+0xfb/0x110

 6676 21:36:00.617864  ---[ end trace 0e3e908715a0f30b ]---

 6677 21:36:00.623749  # [   57.847754] lkdtm: Saturation detected: still saturated

 6678 21:36:00.629708  # REFCOUNT_INC_SATURATED: saw 'Saturation detected: still saturated': ok

 6679 21:36:00.634132  ok 52 selftests: lkdtm: REFCOUNT_INC_SATURATED.sh

 6680 21:36:00.656715  # selftests: lkdtm: REFCOUNT_DE<4>[   58.310858] Code: 50 54 97 91 c6 05 a7 cc 36 02 01 e8 f1 3d c4 00 0f 0b e9 78 a1 04 01 48 c7 c7 20 54 97 91 c6 05 8e cc 36 02 01 e8 d7 3d c4 00 <0f> 0b e9 5e a1 04 01 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b

 6681 21:36:00.657102  C_SATURATED.sh

 6682 21:36:00.662347  <4>[   58.352040] RSP: 0018:ffffb258c4557e48 EFLAGS: 00010286

 6683 21:36:00.670070  <4>[   58.358920] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000

 6684 21:36:00.677978  <4>[   58.366409] RDX: ffff91a2ead2c620 RSI: ffff91a2ead1bf50 RDI: ffff91a2ead1bf50

 6685 21:36:00.684595  <4>[   58.373825] RBP: ffffffff91a1a9d4 R08: 0000000000000000 R09: 0000000000000000

 6686 21:36:00.692182  <4>[   58.381305] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017

 6687 21:36:00.699988  <4>[   58.388807] R13: ffffb258c4557f10 R14: ffffb258c4557f10 R15: ffff91a2c6606000

 6688 21:36:00.708207  <4>[   58.396243] FS:  00007f3278fa53c0(0000) GS:ffff91a2ead00000(0000) knlGS:0000000000000000

 6689 21:36:00.714633  <4>[   58.404627] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6690 21:36:00.721404  <4>[   58.410649] CR2: 00007f3278d76000 CR3: 0000000103a64000 CR4: 00000000001506e0

 6691 21:36:00.724251  <4>[   58.418112] Call Trace:

 6692 21:36:00.727851  <4>[   58.420879]  ? __warn+0x80/0x110

 6693 21:36:00.732841  <4>[   58.424449]  ? refcount_warn_saturate+0xfb/0x110

 6694 21:36:00.737848  <4>[   58.429385]  ? report_bug+0x9e/0xc0

 6695 21:36:00.740513  <4>[   58.433217]  ? handle_bug+0x41/0x90

 6696 21:36:00.744732  <4>[   58.437026]  ? exc_invalid_op+0x14/0x70

 6697 21:36:00.749441  <4>[   58.441169]  ? asm_exc_invalid_op+0x12/0x20

 6698 21:36:00.754296  <4>[   58.445653]  ? refcount_warn_saturate+0xfb/0x110

 6699 21:36:00.759810  <4>[   58.450543]  ? refcount_warn_saturate+0xfb/0x110

 6700 21:36:00.765178  <4>[   58.455433]  lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f

 6701 21:36:00.769858  <4>[   58.460578]  direct_entry.cold+0x2c/0x38

 6702 21:36:00.772346  <4>[   58.464767]  full_proxy_write+0x56/0x80

 6703 21:36:00.776310  <4>[   58.468871]  vfs_write+0xea/0x3b0

 6704 21:36:00.779653  <4>[   58.472451]  ksys_write+0x68/0xf0

 6705 21:36:00.783535  <4>[   58.476048]  do_syscall_64+0x33/0x40

 6706 21:36:00.788714  <4>[   58.479904]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6707 21:36:00.792740  <4>[   58.485220] RIP: 0033:0x7f3278e82473

 6708 21:36:00.811464  <4>[   58.489060] 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

 6709 21:36:00.819419  <4>[   58.508090] RSP: 002b:00007fff835e9d88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6710 21:36:00.827041  <4>[   58.515928] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f3278e82473

 6711 21:36:00.834131  <4>[   58.523329] RDX: 0000000000000017 RSI: 00007f3278d76000 RDI: 0000000000000001

 6712 21:36:00.841654  <4>[   58.530719] RBP: 00007f3278d76000 R08: 00007f3278d75010 R09: 0000000000000000

 6713 21:36:00.849010  <4>[   58.538108] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6714 21:36:00.856443  <4>[   58.545509] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6715 21:36:00.860013  <4>[   58.552904] irq event stamp: 0

 6716 21:36:00.866285  <4>[   58.556224] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6717 21:36:00.875280  <4>[   58.562769] hardirqs last disabled at (0): [<ffffffff8f6fddac>] copy_process+0x65c/0x20e0

 6718 21:36:00.883204  <4>[   58.571201] softirqs last  enabled at (0): [<ffffffff8f6fddac>] copy_process+0x65c/0x20e0

 6719 21:36:00.890562  <4>[   58.579643] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6720 21:36:00.894868  <4>[   58.586167] ---[ end trace 0e3e908715a0f30c ]---

 6721 21:36:00.900260  <6>[   58.591045] lkdtm: Saturation detected: still saturated

 6722 21:36:00.937426  # [   58.027954] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED

 6723 21:36:00.943576  # [   58.048578] lkdtm: attempting bad refcount_dec() from saturated

 6724 21:36:00.948263  # [   58.076942] ------------[ cut here ]------------

 6725 21:36:00.953911  # [   58.103986] refcount_t: decrement hit 0; leaking memory.

 6726 21:36:00.962444  # [   58.131777] WARNING: CPU: 1 PID: 2375 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110

 6727 21:36:01.002140  # [   58.162600] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 cros_ec_dev videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify chromeos_pstore snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table

 6728 21:36:01.010281  # [   58.224670] CPU: 1 PID: 2375 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 6729 21:36:01.016498  # [   58.254841] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 6730 21:36:01.021472  # [   58.283190] RIP: 0010:refcount_warn_saturate+0xfb/0x110

 6731 21:36:01.040537  # [   58.310858] Code: 50 54 97 91 c6 05 a7 cc 36 02 01 e8 f1 3d c4 00 0f 0b e9 78 a1 04 01 48 c7 c7 20 54 97 91 c6 05 8e cc 36 02 01 e8 d7 3d c4 00 <0f> 0b e9 5e a1 04 01 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b

 6732 21:36:01.046833  # [   58.352040] RSP: 0018:ffffb258c4557e48 EFLAGS: 00010286

 6733 21:36:01.053039  # [   58.358920] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000

 6734 21:36:01.060424  # [   58.366409] RDX: ffff91a2ead2c620 RSI: ffff91a2ead1bf50 RDI: ffff91a2ead1bf50

 6735 21:36:01.068889  # [   58.<6>[   58.752604] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED

 6736 21:36:01.074993  373825] RBP: ffffffff91a1a9d4 R08: 0000000000000000 R09: 0000000000000000

 6737 21:36:01.081080  # [   58.381305] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017

 6738 21:36:01.088706  # [   58.388807] R13: ffffb258c4557f10 R14: ffffb258c4557f10 R15: ffff91a2c6606000

 6739 21:36:01.095624  # [   58.3962<6>[   58.763789] lkdtm: attempting bad refcount_dec() from saturated

 6740 21:36:01.103216  43] FS:  00007f3278fa53c0(0000) GS:ffff91a2ead00000(0000) knlGS:0000000000000000

 6741 21:36:01.109379  # [   58.404627] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6742 21:36:01.116361  # [   58.410649] CR2: 00007f3278d76000 CR3: 0000000103a64000 CR4: 00000000001506e0

 6743 21:36:01.122951  # [   58.418112] Call <4>[   58.792139] ------------[ cut here ]------------

 6744 21:36:01.124554  Trace:

 6745 21:36:01.127086  # [   58.420879]  ? __warn+0x80/0x110

 6746 21:36:01.131657  # [   58.424449]  ? refcount_warn_saturate+0xfb/0x110

 6747 21:36:01.135060  # [   58.429385]  ? report_bug+0x9e/0xc0

 6748 21:36:01.139310  # [   58.433217]  ? handle_bug+0x41/0x90

 6749 21:36:01.143164  # [   58.437026]  ? exc_invalid_op+0x14/0x70

 6750 21:36:01.149914  # [   58.441169]  ? asm_<4>[   58.819220] refcount_t: saturated; leaking memory.

 6751 21:36:01.152357  exc_invalid_op+0x12/0x20

 6752 21:36:01.157436  # [   58.445653]  ? refcount_warn_saturate+0xfb/0x110

 6753 21:36:01.162036  # [   58.450543]  ? refcount_warn_saturate+0xfb/0x110

 6754 21:36:01.166791  # [   58.455433]  lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f

 6755 21:36:01.171719  # [   58.460578]  direct_entry.cold+0x2c/0x38

 6756 21:36:01.180846  # [   58.464767<4>[   58.846618] WARNING: CPU: 1 PID: 2411 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110

 6757 21:36:01.183483  ]  full_proxy_write+0x56/0x80

 6758 21:36:01.187416  # [   58.468871]  vfs_write+0xea/0x3b0

 6759 21:36:01.190632  # [   58.472451]  ksys_write+0x68/0xf0

 6760 21:36:01.194323  # [   58.476048]  do_syscall_64+0x33/0x40

 6761 21:36:01.199824  # [   58.479904]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6762 21:36:01.203088  # [   58.485220] RIP: 0033:0x7f3278e82473

 6763 21:36:01.243291  <4>[   58.877315] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 cros_ec_dev videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify chromeos_pstore snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table

 6764 21:36:01.243449  

 6765 21:36:01.262147  # [   58.489060] 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

 6766 21:36:01.273661  # [   58.508090] RSP: 002b:00007fff83<4>[   58.939453] CPU: 1 PID: 2411 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 6767 21:36:01.277817  5e9d88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6768 21:36:01.284968  # [   58.515928] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f3278e82473

 6769 21:36:01.292729  # [   58.523329] RDX: 0000000000000017 RSI: 00007f3278d76000 RDI: 0000000000000001

 6770 21:36:01.301618  # [   58.530719] RBP: 00007f3278d760<4>[   58.969570] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 6771 21:36:01.306081  00 R08: 00007f3278d75010 R09: 0000000000000000

 6772 21:36:01.312964  # [   58.538108] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6773 21:36:01.320373  # [   58.545509] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6774 21:36:01.324287  # [   58.552904] irq event stamp: 0

 6775 21:36:01.329325  # [<4>[   58.997998] RIP: 0010:refcount_warn_saturate+0x51/0x110

 6776 21:36:01.335313     58.556224] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6777 21:36:01.343508  # [   58.562769] hardirqs last disabled at (0): [<ffffffff8f6fddac>] copy_process+0x65c/0x20e0

 6778 21:36:01.370622  # [   58.571201] softirqs last  enabled at (0): [<ffffffff8f6fddac>] copy_process+0x65c/0<4>[   59.025584] Code: 84 bc 00 00 00 e9 2f a2 04 01 85 f6 74 46 80 3d 4b cd 36 02 00 75 ee 48 c7 c7 a0 53 97 91 c6 05 3b cd 36 02 01 e8 81 3e c4 00 <0f> 0b e9 08 a2 04 01 80 3d 27 cd 36 02 00 75 cb 48 c7 c7 c8 53 97

 6779 21:36:01.371673  x20e0

 6780 21:36:01.377669  # [   58.579643] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6781 21:36:01.381963  # [   58.586167] ---[ end trace 0e3e908715a0f30c ]---

 6782 21:36:01.387583  # [   58.591045] lkdtm: Saturation detected: still saturated

 6783 21:36:01.398315  # REFCOUNT_DEC_SATURATED: saw 'Saturation detected: still <4>[   59.066783] RSP: 0018:ffffb258c45d7e48 EFLAGS: 00010286

 6784 21:36:01.399861  saturated': ok

 6785 21:36:01.404144  ok 53 selftests: lkdtm: REFCOUNT_DEC_SATURATED.sh

 6786 21:36:01.407987  # selftests: lkdtm: REFCOUNT_ADD_SATURATED.sh

 6787 21:36:01.415912  <4>[   59.094435] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000

 6788 21:36:01.422920  <4>[   59.111711] RDX: ffff91a2ead2c620 RSI: ffff91a2ead1bf50 RDI: ffff91a2ead1bf50

 6789 21:36:01.430072  <4>[   59.119139] RBP: ffffffff91a1a9eb R08: 0000000000000000 R09: 0000000000000000

 6790 21:36:01.437311  <4>[   59.126566] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017

 6791 21:36:01.445666  <4>[   59.133999] R13: ffffb258c45d7f10 R14: ffffb258c45d7f10 R15: ffff91a2c4727000

 6792 21:36:01.453246  <4>[   59.141428] FS:  00007f45808d6580(0000) GS:ffff91a2ead00000(0000) knlGS:0000000000000000

 6793 21:36:01.460189  <4>[   59.149816] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6794 21:36:01.466534  <4>[   59.155862] CR2: 00007f45806d6000 CR3: 0000000106534000 CR4: 00000000001506e0

 6795 21:36:01.469414  <4>[   59.163318] Call Trace:

 6796 21:36:01.473269  <4>[   59.166104]  ? __warn+0x80/0x110

 6797 21:36:01.477967  <4>[   59.169699]  ? refcount_warn_saturate+0x51/0x110

 6798 21:36:01.481830  <4>[   59.174647]  ? report_bug+0x9e/0xc0

 6799 21:36:01.485724  <4>[   59.178532]  ? handle_bug+0x41/0x90

 6800 21:36:01.489904  <4>[   59.182416]  ? exc_invalid_op+0x14/0x70

 6801 21:36:01.494517  <4>[   59.186601]  ? asm_exc_invalid_op+0x12/0x20

 6802 21:36:01.499582  <4>[   59.191128]  ? refcount_warn_saturate+0x51/0x110

 6803 21:36:01.504601  <4>[   59.196143]  ? refcount_warn_saturate+0x51/0x110

 6804 21:36:01.509733  <4>[   59.201100]  lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64

 6805 21:36:01.514237  <4>[   59.206339]  direct_entry.cold+0x2c/0x38

 6806 21:36:01.518317  <4>[   59.210634]  full_proxy_write+0x56/0x80

 6807 21:36:01.521655  <4>[   59.214783]  vfs_write+0xea/0x3b0

 6808 21:36:01.525374  <4>[   59.218372]  ksys_write+0x68/0xf0

 6809 21:36:01.529154  <4>[   59.221965]  do_syscall_64+0x33/0x40

 6810 21:36:01.534462  <4>[   59.225811]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6811 21:36:01.538531  <4>[   59.231143] RIP: 0033:0x7f45807e2473

 6812 21:36:01.558150  <4>[   59.234984] 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

 6813 21:36:01.565689  <4>[   59.253987] RSP: 002b:00007ffeb7c991a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6814 21:36:01.572843  <4>[   59.261826] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f45807e2473

 6815 21:36:01.580450  <4>[   59.269219] RDX: 0000000000000017 RSI: 00007f45806d6000 RDI: 0000000000000001

 6816 21:36:01.588813  <4>[   59.276610] RBP: 00007f45806d6000 R08: 00007f45806d5010 R09: 0000000000000000

 6817 21:36:01.594758  <4>[   59.284001] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6818 21:36:01.602475  <4>[   59.291393] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6819 21:36:01.606780  <4>[   59.298816] irq event stamp: 0

 6820 21:36:01.612519  <4>[   59.302141] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6821 21:36:01.620949  <4>[   59.308681] hardirqs last disabled at (0): [<ffffffff8f6fddac>] copy_process+0x65c/0x20e0

 6822 21:36:01.629059  <4>[   59.317113] softirqs last  enabled at (0): [<ffffffff8f6fddac>] copy_process+0x65c/0x20e0

 6823 21:36:01.636273  <4>[   59.325553] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6824 21:36:01.640593  <4>[   59.332078] ---[ end trace 0e3e908715a0f30d ]---

 6825 21:36:01.645997  <6>[   59.336958] lkdtm: Saturation detected: still saturated

 6826 21:36:01.685809  # [   58.752604] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED

 6827 21:36:01.692352  # [   58.763789] lkdtm: attempting bad refcount_dec() from saturated

 6828 21:36:01.696112  # [   58.792139] ------------[ cut here ]------------

 6829 21:36:01.700848  # [   58.819220] refcount_t: saturated; leaking memory.

 6830 21:36:01.710473  # [   58.846618] WARNING: CPU: 1 PID: 2411 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110

 6831 21:36:01.750021  # [   58.877315] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 cros_ec_dev videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify chromeos_pstore snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table

 6832 21:36:01.758474  # [   58.939453] CPU: 1 PID: 2411 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 6833 21:36:01.763675  # [   58.969570] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 6834 21:36:01.768936  # [   58.997998] RIP: 0010:refcount_warn_saturate+0x51/0x110

 6835 21:36:01.788010  # [   59.025584] Code: 84 bc 00 00 00 e9 2f a2 04 01 85 f6 74 46 80 3d 4b cd 36 02 00 75 ee 48 c7 c7 a0 53 97 91 c6 05 3b cd 36 02 01 e8 81 3e c4 00 <0f> 0b e9 08 a2 04 01 80 3d 27 cd 36 02 00 75 cb 48 c7 c7 c8 53 97

 6836 21:36:01.792965  # [   59.066783] RSP: 0018:ffffb258c45d7e48 EFLAGS: 00010286

 6837 21:36:01.800603  # [   59.094435] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000

 6838 21:36:01.808278  # [   59.111711] RDX: ffff91a2ead2c620 RSI: ffff91a2ead1bf50 RDI: ffff91a2ead1bf50

 6839 21:36:01.819048  # [   59.119139] RBP: ffffffff91a1a9eb R08: 00000<6>[   59.487148] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED

 6840 21:36:01.822814  00000000000 R09: 0000000000000000

 6841 21:36:01.829281  # [   59.126566] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017

 6842 21:36:01.836898  # [   59.133999] R13: ffffb258c45d7f10 R14: ffffb258c45d7f10 R15: ffff91a2c4727000

 6843 21:36:01.848345  # [   59.141428] FS:  00007f45808d6580(0000) GS:ffff9<6>[   59.515477] lkdtm: attempting bad refcount_inc_not_zero() from saturated

 6844 21:36:01.852072  1a2ead00000(0000) knlGS:0000000000000000

 6845 21:36:01.858024  # [   59.149816] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6846 21:36:01.866155  # [   59.155862] CR2: 00007f45806d6000 CR3: 0000000106534000 CR4: 00000000001506e0

 6847 21:36:01.867943  # [   59.163318] Call Trace:

 6848 21:36:01.875015  # [   59.166104]  ? __warn+0x80/<4>[   59.544640] ------------[ cut here ]------------

 6849 21:36:01.876228  0x110

 6850 21:36:01.880790  # [   59.169699]  ? refcount_warn_saturate+0x51/0x110

 6851 21:36:01.884902  # [   59.174647]  ? report_bug+0x9e/0xc0

 6852 21:36:01.887827  # [   59.178532]  ? handle_bug+0x41/0x90

 6853 21:36:01.892867  # [   59.182416]  ? exc_invalid_op+0x14/0x70

 6854 21:36:01.896605  # [   59.186601]  ? asm_exc_invalid_op+0x12/0x20

 6855 21:36:01.902328  # [   59.19112<4>[   59.571703] refcount_t: saturated; leaking memory.

 6856 21:36:01.905899  8]  ? refcount_warn_saturate+0x51/0x110

 6857 21:36:01.911322  # [   59.196143]  ? refcount_warn_saturate+0x51/0x110

 6858 21:36:01.915698  # [   59.201100]  lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64

 6859 21:36:01.920607  # [   59.206339]  direct_entry.cold+0x2c/0x38

 6860 21:36:01.924071  # [   59.210634]  full_proxy_write+0x56/0x80

 6861 21:36:01.933233  # [   59.<4>[   59.598981] WARNING: CPU: 0 PID: 2444 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110

 6862 21:36:01.935961  214783]  vfs_write+0xea/0x3b0

 6863 21:36:01.940517  # [   59.218372]  ksys_write+0x68/0xf0

 6864 21:36:01.943419  # [   59.221965]  do_syscall_64+0x33/0x40

 6865 21:36:01.948564  # [   59.225811]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6866 21:36:01.952221  # [   59.231143] RIP: 0033:0x7f45807e2473

 6867 21:36:01.995691  # [   59.234984] Code: 8b 15 21 2a 0e 0<4>[   59.629810] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 cros_ec_dev videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify chromeos_pstore snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table

 6868 21:36:02.011161  0 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6869 21:36:02.025698  # [   59.253987] RSP: 002b:00007ffeb7c991a8 EFLAGS: 00000246 ORIG_RAX: 000000<4>[   59.691889] CPU: 0 PID: 2444 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 6870 21:36:02.026680  0000000001

 6871 21:36:02.033893  # [   59.261826] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f45807e2473

 6872 21:36:02.042365  # [   59.269219] RDX: 0000000000000017 RSI: 00007f45806d6000 RDI: 0000000000000001

 6873 21:36:02.054234  # [   59.276610] RBP: 00007f45806d6000 R08: 00007f45806d5010 R09: 0000000000<4>[   59.722064] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 6874 21:36:02.055355  000000

 6875 21:36:02.062339  # [   59.284001] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6876 21:36:02.069770  # [   59.291393] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6877 21:36:02.073106  # [   59.298816] irq event stamp: 0

 6878 21:36:02.083882  # [   59.302141] hardirqs last  enabled at <4>[   59.750438] RIP: 0010:refcount_warn_saturate+0x97/0x110

 6879 21:36:02.085108  (0): [<0000000000000000>] 0x0

 6880 21:36:02.093445  # [   59.308681] hardirqs last disabled at (0): [<ffffffff8f6fddac>] copy_process+0x65c/0x20e0

 6881 21:36:02.102172  # [   59.317113] softirqs last  enabled at (0): [<ffffffff8f6fddac>] copy_process+0x65c/0x20e0

 6882 21:36:02.123818  # [   59.325553] softirqs last di<4>[   59.778102] Code: 02 01 e8 5e 3e c4 00 0f 0b e9 e5 a1 04 01 80 3d 06 cd 36 02 00 75 a8 48 c7 c7 a0 53 97 91 c6 05 f6 cc 36 02 01 e8 3b 3e c4 00 <0f> 0b e9 c2 a1 04 01 80 3d e0 cc 36 02 00 75 85 48 c7 c7 f8 53 97

 6883 21:36:02.126498  sabled at (0): [<0000000000000000>] 0x0

 6884 21:36:02.131194  # [   59.332078] ---[ end trace 0e3e908715a0f30d ]---

 6885 21:36:02.137114  # [   59.336958] lkdtm: Saturation detected: still saturated

 6886 21:36:02.143266  # REFCOUNT_ADD_SATURATED: saw 'Saturation detected: still saturated': ok

 6887 21:36:02.150631  ok 54 selftests: lkdtm: <4>[   59.819290] RSP: 0018:ffffb258c4647e38 EFLAGS: 00010282

 6888 21:36:02.152854  REFCOUNT_ADD_SATURATED.sh

 6889 21:36:02.157868  # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh

 6890 21:36:02.166112  <4>[   59.846922] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000

 6891 21:36:02.173075  <4>[   59.861488] RDX: ffff91a2eac2c620 RSI: ffff91a2eac1bf50 RDI: ffff91a2eac1bf50

 6892 21:36:02.179803  <4>[   59.868880] RBP: ffffffff91a1a618 R08: 0000000000000000 R09: 0000000000000000

 6893 21:36:02.187764  <4>[   59.876269] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020

 6894 21:36:02.194859  <4>[   59.883657] R13: ffffb258c4647f10 R14: ffffb258c4647f10 R15: ffff91a2c65f3000

 6895 21:36:02.202885  <4>[   59.891047] FS:  00007faf69a0f580(0000) GS:ffff91a2eac00000(0000) knlGS:0000000000000000

 6896 21:36:02.208609  <4>[   59.899391] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6897 21:36:02.216355  <4>[   59.905393] CR2: 00007faf697de000 CR3: 0000000103d2e000 CR4: 00000000001506f0

 6898 21:36:02.218833  <4>[   59.912783] Call Trace:

 6899 21:36:02.222968  <4>[   59.915502]  ? __warn+0x80/0x110

 6900 21:36:02.227975  <4>[   59.918996]  ? refcount_warn_saturate+0x97/0x110

 6901 21:36:02.231306  <4>[   59.923876]  ? report_bug+0x9e/0xc0

 6902 21:36:02.235382  <4>[   59.927631]  ? handle_bug+0x41/0x90

 6903 21:36:02.238959  <4>[   59.931380]  ? exc_invalid_op+0x14/0x70

 6904 21:36:02.244087  <4>[   59.935480]  ? asm_exc_invalid_op+0x12/0x20

 6905 21:36:02.248623  <4>[   59.939929]  ? refcount_warn_saturate+0x97/0x110

 6906 21:36:02.253082  <4>[   59.944808]  ? refcount_warn_saturate+0x97/0x110

 6907 21:36:02.259142  <4>[   59.949690]  __refcount_add_not_zero.constprop.0+0x2a/0x35

 6908 21:36:02.265194  <4>[   59.955437]  lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76

 6909 21:36:02.268918  <4>[   59.961358]  direct_entry.cold+0x2c/0x38

 6910 21:36:02.274146  <4>[   59.965546]  full_proxy_write+0x56/0x80

 6911 21:36:02.276591  <4>[   59.969650]  vfs_write+0xea/0x3b0

 6912 21:36:02.280251  <4>[   59.973233]  ksys_write+0x68/0xf0

 6913 21:36:02.284456  <4>[   59.976816]  do_syscall_64+0x33/0x40

 6914 21:36:02.289358  <4>[   59.980657]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6915 21:36:02.294000  <4>[   59.985974] RIP: 0033:0x7faf698ea473

 6916 21:36:02.312308  <4>[   59.989814] 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

 6917 21:36:02.320830  <4>[   60.008820] RSP: 002b:00007ffd0451ba78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6918 21:36:02.328306  <4>[   60.016648] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007faf698ea473

 6919 21:36:02.335385  <4>[   60.024039] RDX: 0000000000000020 RSI: 00007faf697de000 RDI: 0000000000000001

 6920 21:36:02.342138  <4>[   60.031431] RBP: 00007faf697de000 R08: 00007faf697dd010 R09: 0000000000000000

 6921 21:36:02.350720  <4>[   60.038824] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6922 21:36:02.357373  <4>[   60.046216] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6923 21:36:02.361082  <4>[   60.053613] irq event stamp: 0

 6924 21:36:02.367186  <4>[   60.056933] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6925 21:36:02.375357  <4>[   60.063458] hardirqs last disabled at (0): [<ffffffff8f6fddac>] copy_process+0x65c/0x20e0

 6926 21:36:02.383950  <4>[   60.071890] softirqs last  enabled at (0): [<ffffffff8f6fddac>] copy_process+0x65c/0x20e0

 6927 21:36:02.390895  <4>[   60.080322] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6928 21:36:02.395617  <4>[   60.086846] ---[ end trace 0e3e908715a0f30e ]---

 6929 21:36:02.400734  <6>[   60.091726] lkdtm: Saturation detected: still saturated

 6930 21:36:02.440280  # [   59.487148] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED

 6931 21:36:02.446993  # [   59.515477] lkdtm: attempting bad refcount_inc_not_zero() from saturated

 6932 21:36:02.451987  # [   59.544640] ------------[ cut here ]------------

 6933 21:36:02.457285  # [   59.571703] refcount_t: saturated; leaking memory.

 6934 21:36:02.465845  # [   59.598981] WARNING: CPU: 0 PID: 2444 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110

 6935 21:36:02.505208  # [   59.629810] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 cros_ec_dev videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify chromeos_pstore snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table

 6936 21:36:02.512685  # [   59.691889] CPU: 0 PID: 2444 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 6937 21:36:02.519322  # [   59.722064] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 6938 21:36:02.524069  # [   59.750438] RIP: 0010:refcount_warn_saturate+0x97/0x110

 6939 21:36:02.542896  # [   59.778102] Code: 02 01 e8 5e 3e c4 00 0f 0b e9 e5 a1 04 01 80 3d 06 cd 36 02 00 75 a8 48 c7 c7 a0 53 97 91 c6 05 f6 cc 36 02 01 e8 3b 3e c4 00 <0f> 0b e9 c2 a1 04 01 80 3d e0 cc 36 02 00 75 85 48 c7 c7 f8 53 97

 6940 21:36:02.549636  # [   59.819290] RSP: 0018:ffffb258c4647e38 EFLAGS: 00010282

 6941 21:36:02.555828  # [   59.846922] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000

 6942 21:36:02.562849  # [   59.861488] RDX: ffff91a2eac2c620 RSI: ffff91a2eac1bf50 RDI: ffff91a2eac1bf50

 6943 21:36:02.571228  # [   59.868880] RBP: ffffffff91a1a618 R08: 0000000000000000 R09: 0000000000000000

 6944 21:36:02.577870  # [   59.876269] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020

 6945 21:36:02.585280  # [   59.883657] R13: ffffb258c4647f10 R14: ffffb258c4647f10 R15: ffff91a2c65f3000

 6946 21:36:02.600175  # [   59.891047] FS:  00007faf69a0f580(0000) GS:ffff91a2eac00000(0000) knlGS:000000000000<6>[   60.278101] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED

 6947 21:36:02.600286  0000

 6948 21:36:02.605927  # [   59.899391] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6949 21:36:02.613600  # [   59.905393] CR2: 00007faf697de000 CR3: 0000000103d2e000 CR4: 00000000001506f0

 6950 21:36:02.615950  # [   59.912783] Call Trace:

 6951 21:36:02.619413  # [   59.915502]  ? __warn+0x80/0x110

 6952 21:36:02.629212  # [   59.918996]  ? refcount_<6>[   60.296093] lkdtm: attempting bad refcount_add_not_zero() from saturated

 6953 21:36:02.631504  warn_saturate+0x97/0x110

 6954 21:36:02.635197  # [   59.923876]  ? report_bug+0x9e/0xc0

 6955 21:36:02.638220  # [   59.927631]  ? handle_bug+0x41/0x90

 6956 21:36:02.642675  # [   59.931380]  ? exc_invalid_op+0x14/0x70

 6957 21:36:02.646496  # [   59.935480]  ? asm_exc_invalid_op+0x12/0x20

 6958 21:36:02.655534  # [   59.939929]  ? refcount_warn_saturate+0x97/0x<4>[   60.325231] ------------[ cut here ]------------

 6959 21:36:02.656869  110

 6960 21:36:02.661854  # [   59.944808]  ? refcount_warn_saturate+0x97/0x110

 6961 21:36:02.667212  # [   59.949690]  __refcount_add_not_zero.constprop.0+0x2a/0x35

 6962 21:36:02.672926  # [   59.955437]  lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76

 6963 21:36:02.677090  # [   59.961358]  direct_entry.cold+0x2c/0x38

 6964 21:36:02.683522  # [   59.965546] <4>[   60.352276] refcount_t: saturated; leaking memory.

 6965 21:36:02.686056   full_proxy_write+0x56/0x80

 6966 21:36:02.689462  # [   59.969650]  vfs_write+0xea/0x3b0

 6967 21:36:02.693808  # [   59.973233]  ksys_write+0x68/0xf0

 6968 21:36:02.696361  # [   59.976816]  do_syscall_64+0x33/0x40

 6969 21:36:02.702434  # [   59.980657]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6970 21:36:02.705697  # [   59.985974] RIP: 0033:0x7faf698ea473

 6971 21:36:02.714597  #<4>[   60.379527] WARNING: CPU: 1 PID: 2477 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110

 6972 21:36:02.732703   [   59.989814] 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

 6973 21:36:02.775957  # [   60.008820] RSP: 002b:00007ffd0451<4>[   60.410364] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 cros_ec_dev videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify chromeos_pstore snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table

 6974 21:36:02.780456  ba78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6975 21:36:02.787868  # [   60.016648] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007faf698ea473

 6976 21:36:02.795368  # [   60.024039] RDX: 0000000000000020 RSI: 00007faf697de000 RDI: 0000000000000001

 6977 21:36:02.806187  # [   60.031431] RBP: 00007faf697de000<4>[   60.472430] CPU: 1 PID: 2477 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 6978 21:36:02.810159   R08: 00007faf697dd010 R09: 0000000000000000

 6979 21:36:02.818130  # [   60.038824] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6980 21:36:02.824702  # [   60.046216] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6981 21:36:02.828076  # [   60.053613] irq event stamp: 0

 6982 21:36:02.834418  # [  <4>[   60.502610] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 6983 21:36:02.841083   60.056933] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6984 21:36:02.849134  # [   60.063458] hardirqs last disabled at (0): [<ffffffff8f6fddac>] copy_process+0x65c/0x20e0

 6985 21:36:02.862020  # [   60.071890] softirqs last  enabled at (0): [<ffffffff8f6fddac>] copy_process+0x65c/0x2<4>[   60.530967] RIP: 0010:refcount_warn_saturate+0x97/0x110

 6986 21:36:02.863133  0e0

 6987 21:36:02.868839  # [   60.080322] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6988 21:36:02.873511  # [   60.086846] ---[ end trace 0e3e908715a0f30e ]---

 6989 21:36:02.881213  # [   60.091726] lkdtm: Saturation detected: still saturated

 6990 21:36:02.884595  # REFCOUNT_INC_NOT_ZERO_SATURATED: saw 'call trace:': ok

 6991 21:36:02.903099  ok<4>[   60.558629] Code: 02 01 e8 5e 3e c4 00 0f 0b e9 e5 a1 04 01 80 3d 06 cd 36 02 00 75 a8 48 c7 c7 a0 53 97 91 c6 05 f6 cc 36 02 01 e8 3b 3e c4 00 <0f> 0b e9 c2 a1 04 01 80 3d e0 cc 36 02 00 75 85 48 c7 c7 f8 53 97

 6992 21:36:02.909281   55 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh

 6993 21:36:02.913466  # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh

 6994 21:36:02.918876  <4>[   60.599808] RSP: 0018:ffffb258c46afe38 EFLAGS: 00010282

 6995 21:36:02.926178  <4>[   60.615187] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000

 6996 21:36:02.933673  <4>[   60.622678] RDX: ffff91a2ead2c620 RSI: ffff91a2ead1bf50 RDI: ffff91a2ead1bf50

 6997 21:36:02.940808  <4>[   60.630088] RBP: ffffffff91a1a638 R08: 0000000000000000 R09: 0000000000000000

 6998 21:36:02.948918  <4>[   60.637544] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020

 6999 21:36:02.955718  <4>[   60.644985] R13: ffffb258c46aff10 R14: ffffb258c46aff10 R15: ffff91a2c394d000

 7000 21:36:02.964059  <4>[   60.652463] FS:  00007f6f0463e580(0000) GS:ffff91a2ead00000(0000) knlGS:0000000000000000

 7001 21:36:02.970454  <4>[   60.660836] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 7002 21:36:02.977674  <4>[   60.666877] CR2: 00007f6f0443e000 CR3: 00000001036b2000 CR4: 00000000001506e0

 7003 21:36:02.980438  <4>[   60.674293] Call Trace:

 7004 21:36:02.983754  <4>[   60.677047]  ? __warn+0x80/0x110

 7005 21:36:02.989016  <4>[   60.680567]  ? refcount_warn_saturate+0x97/0x110

 7006 21:36:02.992445  <4>[   60.685505]  ? report_bug+0x9e/0xc0

 7007 21:36:02.996606  <4>[   60.689284]  ? handle_bug+0x41/0x90

 7008 21:36:03.000791  <4>[   60.693143]  ? exc_invalid_op+0x14/0x70

 7009 21:36:03.005301  <4>[   60.697308]  ? asm_exc_invalid_op+0x12/0x20

 7010 21:36:03.010131  <4>[   60.701806]  ? refcount_warn_saturate+0x97/0x110

 7011 21:36:03.015130  <4>[   60.706712]  ? refcount_warn_saturate+0x97/0x110

 7012 21:36:03.020924  <4>[   60.711601]  __refcount_add_not_zero.constprop.0+0x2a/0x35

 7013 21:36:03.026808  <4>[   60.717383]  lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76

 7014 21:36:03.030951  <4>[   60.723332]  direct_entry.cold+0x2c/0x38

 7015 21:36:03.035042  <4>[   60.727520]  full_proxy_write+0x56/0x80

 7016 21:36:03.039423  <4>[   60.731624]  vfs_write+0xea/0x3b0

 7017 21:36:03.042286  <4>[   60.735205]  ksys_write+0x68/0xf0

 7018 21:36:03.046292  <4>[   60.738787]  do_syscall_64+0x33/0x40

 7019 21:36:03.051458  <4>[   60.742629]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 7020 21:36:03.055997  <4>[   60.747956] RIP: 0033:0x7f6f0454a473

 7021 21:36:03.074590  <4>[   60.751796] 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

 7022 21:36:03.082153  <4>[   60.770803] RSP: 002b:00007ffd16f94a48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 7023 21:36:03.089883  <4>[   60.778632] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f6f0454a473

 7024 21:36:03.096867  <4>[   60.786047] RDX: 0000000000000020 RSI: 00007f6f0443e000 RDI: 0000000000000001

 7025 21:36:03.104407  <4>[   60.793460] RBP: 00007f6f0443e000 R08: 00007f6f0443d010 R09: 0000000000000000

 7026 21:36:03.112140  <4>[   60.800863] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 7027 21:36:03.119537  <4>[   60.808253] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 7028 21:36:03.123247  <4>[   60.815657] irq event stamp: 0

 7029 21:36:03.129020  <4>[   60.818975] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 7030 21:36:03.138047  <4>[   60.825519] hardirqs last disabled at (0): [<ffffffff8f6fddac>] copy_process+0x65c/0x20e0

 7031 21:36:03.146106  <4>[   60.833951] softirqs last  enabled at (0): [<ffffffff8f6fddac>] copy_process+0x65c/0x20e0

 7032 21:36:03.153073  <4>[   60.842400] softirqs last disabled at (0): [<0000000000000000>] 0x0

 7033 21:36:03.157104  <4>[   60.848938] ---[ end trace 0e3e908715a0f30f ]---

 7034 21:36:03.162784  <6>[   60.853817] lkdtm: Saturation detected: still saturated

 7035 21:36:03.204971  # [   60.278101] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED

 7036 21:36:03.210875  # [   60.296093] lkdtm: attempting bad refcount_add_not_zero() from saturated

 7037 21:36:03.215802  # [   60.325231] ------------[ cut here ]------------

 7038 21:36:03.221223  # [   60.352276] refcount_t: saturated; leaking memory.

 7039 21:36:03.228986  # [   60.379527] WARNING: CPU: 1 PID: 2477 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110

 7040 21:36:03.269708  # [   60.410364] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 cros_ec_dev videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify chromeos_pstore snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table

 7041 21:36:03.277068  # [   60.472430] CPU: 1 PID: 2477 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 7042 21:36:03.283363  # [   60.502610] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 7043 21:36:03.287998  # [   60.530967] RIP: 0010:refcount_warn_saturate+0x97/0x110

 7044 21:36:03.307967  # [   60.558629] Code: 02 01 e8 5e 3e c4 00 0f 0b e9 e5 a1 04 01 80 3d 06 cd 36 02 00 75 a8 48 c7 c7 a0 53 97 91 c6 05 f6 cc 36 02 01 e8 3b 3e c4 00 <0f> 0b e9 c2 a1 04 01 80 3d e0 cc 36 02 00 75 85 48 c7 c7 f8 53 97

 7045 21:36:03.312372  # [   60.599808] RSP: 0018:ffffb258c46afe38 EFLAGS: 00010282

 7046 21:36:03.319898  # [   60.615187] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000

 7047 21:36:03.327266  # [   60.622678] RDX: ffff91a2ead2c620 RSI: ffff91a2ead1bf50 RDI: ffff91a2ead1bf50

 7048 21:36:03.334593  # [   60.630088] RBP: ffffffff91a1a638 R08: 0000000000000000 R09: 0000000000000000

 7049 21:36:03.341791  # [   60.637544] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020

 7050 21:36:03.349972  # [   60.644985] R13: ffffb258c46aff10 R14: ffffb258c46aff10 R15: ffff91a2c394d000

 7051 21:36:03.363525  # [   60.652463] FS:  00007f6f0463e580(0000) GS:ffff91a2ead00000(0000) knlGS:00000000000<6>[   61.032099] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED

 7052 21:36:03.363936  00000

 7053 21:36:03.370586  # [   60.660836] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 7054 21:36:03.377958  # [   60.666877] CR2: 00007f6f0443e000 CR3: 00000001036b2000 CR4: 00000000001506e0

 7055 21:36:03.379938  # [   60.674293] Call Trace:

 7056 21:36:03.384103  # [   60.677047]  ? __warn+0x80/0x110

 7057 21:36:03.392670  # [   60.680567]  ? refcount<6>[   61.059994] lkdtm: attempting bad refcount_dec_and_test() from saturated

 7058 21:36:03.394839  _warn_saturate+0x97/0x110

 7059 21:36:03.399078  # [   60.685505]  ? report_bug+0x9e/0xc0

 7060 21:36:03.403596  # [   60.689284]  ? handle_bug+0x41/0x90

 7061 21:36:03.406952  # [   60.693143]  ? exc_invalid_op+0x14/0x70

 7062 21:36:03.411032  # [   60.697308]  ? asm_exc_invalid_op+0x12/0x20

 7063 21:36:03.420690  # [   60.701806]  ? refcount_warn_saturate+0x97/0<4>[   61.089145] ------------[ cut here ]------------

 7064 21:36:03.420807  x110

 7065 21:36:03.425458  # [   60.706712]  ? refcount_warn_saturate+0x97/0x110

 7066 21:36:03.431182  # [   60.711601]  __refcount_add_not_zero.constprop.0+0x2a/0x35

 7067 21:36:03.436446  # [   60.717383]  lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76

 7068 21:36:03.440665  # [   60.723332]  direct_entry.cold+0x2c/0x38

 7069 21:36:03.447516  # [   60.727520]<4>[   61.116228] refcount_t: underflow; use-after-free.

 7070 21:36:03.451071    full_proxy_write+0x56/0x80

 7071 21:36:03.453099  # [   60.731624]  vfs_write+0xea/0x3b0

 7072 21:36:03.457527  # [   60.735205]  ksys_write+0x68/0xf0

 7073 21:36:03.460431  # [   60.738787]  do_syscall_64+0x33/0x40

 7074 21:36:03.465413  # [   60.742629]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 7075 21:36:03.469313  # [   60.747956] RIP: 0033:0x7f6f0454a473

 7076 21:36:03.479075  <4>[   61.143602] WARNING: CPU: 1 PID: 2513 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110

 7077 21:36:03.496726  # [   60.751796] 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

 7078 21:36:03.539990  # [   60.770803] RSP: 002b:00007ffd16f<4>[   61.174342] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 cros_ec_dev videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify chromeos_pstore snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table

 7079 21:36:03.544634  94a48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 7080 21:36:03.551566  # [   60.778632] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f6f0454a473

 7081 21:36:03.559092  # [   60.786047] RDX: 0000000000000020 RSI: 00007f6f0443e000 RDI: 0000000000000001

 7082 21:36:03.569842  # [   60.793460] RBP: 00007f6f0443e00<4>[   61.236414] CPU: 1 PID: 2513 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 7083 21:36:03.574445  0 R08: 00007f6f0443d010 R09: 0000000000000000

 7084 21:36:03.582089  # [   60.800863] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 7085 21:36:03.588817  # [   60.808253] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 7086 21:36:03.592072  # [   60.815657] irq event stamp: 0

 7087 21:36:03.598168  # [ <4>[   61.266565] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 7088 21:36:03.604447    60.818975] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 7089 21:36:03.612970  # [   60.825519] hardirqs last disabled at (0): [<ffffffff8f6fddac>] copy_process+0x65c/0x20e0

 7090 21:36:03.627679  # [   60.833951] softirqs last  enabled at (0): [<ffffffff8f6fddac>] copy_process+0x65c/0x<4>[   61.294916] RIP: 0010:refcount_warn_saturate+0xba/0x110

 7091 21:36:03.627822  20e0

 7092 21:36:03.632950  # [   60.842400] softirqs last disabled at (0): [<0000000000000000>] 0x0

 7093 21:36:03.639124  # [   60.848938] ---[ end trace 0e3e908715a0f30f ]---

 7094 21:36:03.643700  # [   60.853817] lkdtm: Saturation detected: still saturated

 7095 21:36:03.648214  # REFCOUNT_ADD_NOT_ZERO_SATURATED: saw 'call trace:': ok

 7096 21:36:03.667016  o<4>[   61.322585] Code: 02 01 e8 3b 3e c4 00 0f 0b e9 c2 a1 04 01 80 3d e0 cc 36 02 00 75 85 48 c7 c7 f8 53 97 91 c6 05 d0 cc 36 02 01 e8 18 3e c4 00 <0f> 0b e9 9f a1 04 01 80 3d bb cc 36 02 00 0f 85 5e ff ff ff 48 c7

 7097 21:36:03.672861  k 56 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh

 7098 21:36:03.677130  # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh

 7099 21:36:03.682855  <4>[   61.363769] RSP: 0018:ffffb258c4727e40 EFLAGS: 00010286

 7100 21:36:03.690137  <4>[   61.379206] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000

 7101 21:36:03.697626  <4>[   61.386643] RDX: ffff91a2ead2c620 RSI: ffff91a2ead1bf50 RDI: ffff91a2ead1bf50

 7102 21:36:03.705202  <4>[   61.394069] RBP: ffffffff91a1a658 R08: 0000000000000000 R09: 0000000000000000

 7103 21:36:03.712518  <4>[   61.401510] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020

 7104 21:36:03.719717  <4>[   61.408937] R13: ffffb258c4727f10 R14: ffffb258c4727f10 R15: ffff91a2c2e75000

 7105 21:36:03.728106  <4>[   61.416381] FS:  00007f7e537ef580(0000) GS:ffff91a2ead00000(0000) knlGS:0000000000000000

 7106 21:36:03.735086  <4>[   61.424764] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 7107 21:36:03.741764  <4>[   61.430810] CR2: 00007f7e535be000 CR3: 00000001036de000 CR4: 00000000001506e0

 7108 21:36:03.744250  <4>[   61.438238] Call Trace:

 7109 21:36:03.747956  <4>[   61.441032]  ? __warn+0x80/0x110

 7110 21:36:03.753027  <4>[   61.444598]  ? refcount_warn_saturate+0xba/0x110

 7111 21:36:03.756972  <4>[   61.449554]  ? report_bug+0x9e/0xc0

 7112 21:36:03.760610  <4>[   61.453346]  ? handle_bug+0x41/0x90

 7113 21:36:03.764691  <4>[   61.457173]  ? exc_invalid_op+0x14/0x70

 7114 21:36:03.769166  <4>[   61.461358]  ? asm_exc_invalid_op+0x12/0x20

 7115 21:36:03.774382  <4>[   61.465891]  ? refcount_warn_saturate+0xba/0x110

 7116 21:36:03.780370  <4>[   61.470921]  __refcount_sub_and_test.constprop.0+0x3c/0x50

 7117 21:36:03.786263  <4>[   61.476711]  lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76

 7118 21:36:03.790197  <4>[   61.482716]  direct_entry.cold+0x2c/0x38

 7119 21:36:03.794624  <4>[   61.486951]  full_proxy_write+0x56/0x80

 7120 21:36:03.798676  <4>[   61.491096]  vfs_write+0xea/0x3b0

 7121 21:36:03.801714  <4>[   61.494710]  ksys_write+0x68/0xf0

 7122 21:36:03.805630  <4>[   61.498300]  do_syscall_64+0x33/0x40

 7123 21:36:03.811464  <4>[   61.502162]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 7124 21:36:03.815340  <4>[   61.507482] RIP: 0033:0x7f7e536ca473

 7125 21:36:03.833880  <4>[   61.511323] 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

 7126 21:36:03.842139  <4>[   61.530328] RSP: 002b:00007ffeddf599d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 7127 21:36:03.849659  <4>[   61.538177] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f7e536ca473

 7128 21:36:03.857610  <4>[   61.545568] RDX: 0000000000000020 RSI: 00007f7e535be000 RDI: 0000000000000001

 7129 21:36:03.865662  <4>[   61.552960] RBP: 00007f7e535be000 R08: 00007f7e535bd010 R09: 0000000000000000

 7130 21:36:03.871731  <4>[   61.560351] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 7131 21:36:03.878442  <4>[   61.567766] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 7132 21:36:03.883066  <4>[   61.575171] irq event stamp: 0

 7133 21:36:03.888454  <4>[   61.578501] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 7134 21:36:03.897010  <4>[   61.585028] hardirqs last disabled at (0): [<ffffffff8f6fddac>] copy_process+0x65c/0x20e0

 7135 21:36:03.906012  <4>[   61.593459] softirqs last  enabled at (0): [<ffffffff8f6fddac>] copy_process+0x65c/0x20e0

 7136 21:36:03.912054  <4>[   61.601907] softirqs last disabled at (0): [<0000000000000000>] 0x0

 7137 21:36:03.916898  <4>[   61.608431] ---[ end trace 0e3e908715a0f310 ]---

 7138 21:36:03.922092  <6>[   61.613311] lkdtm: Saturation detected: still saturated

 7139 21:36:03.962127  # [   61.032099] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED

 7140 21:36:03.969468  # [   61.059994] lkdtm: attempting bad refcount_dec_and_test() from saturated

 7141 21:36:03.974215  # [   61.089145] ------------[ cut here ]------------

 7142 21:36:03.979987  # [   61.116228] refcount_t: underflow; use-after-free.

 7143 21:36:03.987362  # [   61.143602] WARNING: CPU: 1 PID: 2513 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110

 7144 21:36:04.026720  # [   61.174342] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 cros_ec_dev videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify chromeos_pstore snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table

 7145 21:36:04.035093  # [   61.236414] CPU: 1 PID: 2513 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 7146 21:36:04.040721  # [   61.266565] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 7147 21:36:04.046966  # [   61.294916] RIP: 0010:refcount_warn_saturate+0xba/0x110

 7148 21:36:04.065169  # [   61.322585] Code: 02 01 e8 3b 3e c4 00 0f 0b e9 c2 a1 04 01 80 3d e0 cc 36 02 00 75 85 48 c7 c7 f8 53 97 91 c6 05 d0 cc 36 02 01 e8 18 3e c4 00 <0f> 0b e9 9f a1 04 01 80 3d bb cc 36 02 00 0f 85 5e ff ff ff 48 c7

 7149 21:36:04.070521  # [   61.363769] RSP: 0018:ffffb258c4727e40 EFLAGS: 00010286

 7150 21:36:04.077658  # [   61.379206] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000

 7151 21:36:04.084649  # [   61.386643] RDX: ffff91a2ead2c620 RSI: ffff91a2ead1bf50 RDI: ffff91a2ead1bf50

 7152 21:36:04.091977  # [   61.394069] RBP: ffffffff91a1a658 R08: 0000000000000000 R09: 0000000000000000

 7153 21:36:04.099407  # [  <6>[   61.771898] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED

 7154 21:36:04.107316   61.401510] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020

 7155 21:36:04.113699  # [   61.408937] R13: ffffb258c4727f10 R14: ffffb258c4727f10 R15: ffff91a2c2e75000

 7156 21:36:04.128740  # [   61.416381] FS:  00007f7e537ef580(0000) GS:ffff91a2ead00000(0000) knlGS:0000000000000000<6>[   61.796032] lkdtm: attempting bad refcount_sub_and_test() from saturated

 7157 21:36:04.129515  

 7158 21:36:04.135065  # [   61.424764] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 7159 21:36:04.142094  # [   61.430810] CR2: 00007f7e535be000 CR3: 00000001036de000 CR4: 00000000001506e0

 7160 21:36:04.146041  # [   61.438238] Call Trace:

 7161 21:36:04.148117  # [   61.441032]  ? __warn+0x80/0x110

 7162 21:36:04.155855  # [   61.444598]  ? refcount_warn<4>[   61.825182] ------------[ cut here ]------------

 7163 21:36:04.157774  _saturate+0xba/0x110

 7164 21:36:04.161094  # [   61.449554]  ? report_bug+0x9e/0xc0

 7165 21:36:04.165246  # [   61.453346]  ? handle_bug+0x41/0x90

 7166 21:36:04.169611  # [   61.457173]  ? exc_invalid_op+0x14/0x70

 7167 21:36:04.173340  # [   61.461358]  ? asm_exc_invalid_op+0x12/0x20

 7168 21:36:04.178067  # [   61.465891]  ? refcount_warn_saturate+0xba/0x110

 7169 21:36:04.183237  <4>[   61.852273] refcount_t: underflow; use-after-free.

 7170 21:36:04.183323  

 7171 21:36:04.189100  # [   61.470921]  __refcount_sub_and_test.constprop.0+0x3c/0x50

 7172 21:36:04.194902  # [   61.476711]  lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76

 7173 21:36:04.198718  # [   61.482716]  direct_entry.cold+0x2c/0x38

 7174 21:36:04.202410  # [   61.486951]  full_proxy_write+0x56/0x80

 7175 21:36:04.214814  # [   61.491096]  vfs_write+0x<4>[   61.879534] WARNING: CPU: 1 PID: 2549 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110

 7176 21:36:04.214909  ea/0x3b0

 7177 21:36:04.221115  # [   61.494710]  ksys_write+0x68/0xf0

 7178 21:36:04.221870  # [   61.498300]  do_syscall_64+0x33/0x40

 7179 21:36:04.228064  # [   61.502162]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 7180 21:36:04.231407  # [   61.507482] RIP: 0033:0x7f7e536ca473

 7181 21:36:04.275998  # [   61.511323] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c<4>[   61.910451] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 cros_ec_dev videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify chromeos_pstore snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table

 7182 21:36:04.289925  7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 7183 21:36:04.297990  # [   61.530328] RSP: 002b:00007ffeddf599d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 7184 21:36:04.306145  # [   61.<4>[   61.972425] CPU: 1 PID: 2549 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 7185 21:36:04.313217  538177] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f7e536ca473

 7186 21:36:04.320455  # [   61.545568] RDX: 0000000000000020 RSI: 00007f7e535be000 RDI: 0000000000000001

 7187 21:36:04.328631  # [   61.552960] RBP: 00007f7e535be000 R08: 00007f7e535bd010 R09: 0000000000000000

 7188 21:36:04.334413  # [   61.5603<4>[   62.002678] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 7189 21:36:04.341323  51] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 7190 21:36:04.347986  # [   61.567766] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 7191 21:36:04.352312  # [   61.575171] irq event stamp: 0

 7192 21:36:04.363378  # [   61.578501] hardirqs last  enabled at (0): [<00000000000000<4>[   62.030991] RIP: 0010:refcount_warn_saturate+0xba/0x110

 7193 21:36:04.363486  00>] 0x0

 7194 21:36:04.371601  # [   61.585028] hardirqs last disabled at (0): [<ffffffff8f6fddac>] copy_process+0x65c/0x20e0

 7195 21:36:04.379726  # [   61.593459] softirqs last  enabled at (0): [<ffffffff8f6fddac>] copy_process+0x65c/0x20e0

 7196 21:36:04.404063  # [   61.601907] softirqs last disabled at (0): [<0000<4>[   62.058613] Code: 02 01 e8 3b 3e c4 00 0f 0b e9 c2 a1 04 01 80 3d e0 cc 36 02 00 75 85 48 c7 c7 f8 53 97 91 c6 05 d0 cc 36 02 01 e8 18 3e c4 00 <0f> 0b e9 9f a1 04 01 80 3d bb cc 36 02 00 0f 85 5e ff ff ff 48 c7

 7197 21:36:04.405317  000000000000>] 0x0

 7198 21:36:04.410287  # [   61.608431] ---[ end trace 0e3e908715a0f310 ]---

 7199 21:36:04.415711  # [   61.613311] lkdtm: Saturation detected: still saturated

 7200 21:36:04.422515  # REFCOUNT_DEC_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok

 7201 21:36:04.431446  ok 57 selftests: lkdtm: REFCOUNT_DEC<4>[   62.099819] RSP: 0018:ffffb258c4787e40 EFLAGS: 00010286

 7202 21:36:04.432928  _AND_TEST_SATURATED.sh

 7203 21:36:04.437879  # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh

 7204 21:36:04.444949  <4>[   62.127446] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000

 7205 21:36:04.452731  <4>[   62.141766] RDX: ffff91a2ead2c620 RSI: ffff91a2ead1bf50 RDI: ffff91a2ead1bf50

 7206 21:36:04.459990  <4>[   62.149183] RBP: ffffffff91a1a678 R08: 0000000000000000 R09: 0000000000000000

 7207 21:36:04.467186  <4>[   62.156605] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020

 7208 21:36:04.475055  <4>[   62.164019] R13: ffffb258c4787f10 R14: ffffb258c4787f10 R15: ffff91a2c3d69000

 7209 21:36:04.483274  <4>[   62.171445] FS:  00007fb6ef752580(0000) GS:ffff91a2ead00000(0000) knlGS:0000000000000000

 7210 21:36:04.489079  <4>[   62.179805] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 7211 21:36:04.497269  <4>[   62.185853] CR2: 00007fb6ef51e000 CR3: 0000000102e74000 CR4: 00000000001506e0

 7212 21:36:04.499885  <4>[   62.193270] Call Trace:

 7213 21:36:04.503361  <4>[   62.196023]  ? __warn+0x80/0x110

 7214 21:36:04.508612  <4>[   62.199537]  ? refcount_warn_saturate+0xba/0x110

 7215 21:36:04.512695  <4>[   62.204452]  ? report_bug+0x9e/0xc0

 7216 21:36:04.515261  <4>[   62.208229]  ? handle_bug+0x41/0x90

 7217 21:36:04.519497  <4>[   62.212060]  ? exc_invalid_op+0x14/0x70

 7218 21:36:04.523962  <4>[   62.216217]  ? asm_exc_invalid_op+0x12/0x20

 7219 21:36:04.529718  <4>[   62.220755]  ? refcount_warn_saturate+0xba/0x110

 7220 21:36:04.534754  <4>[   62.225720]  __refcount_sub_and_test.constprop.0+0x3c/0x50

 7221 21:36:04.540894  <4>[   62.231550]  lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76

 7222 21:36:04.545021  <4>[   62.237550]  direct_entry.cold+0x2c/0x38

 7223 21:36:04.549511  <4>[   62.241816]  full_proxy_write+0x56/0x80

 7224 21:36:04.553864  <4>[   62.246063]  vfs_write+0xea/0x3b0

 7225 21:36:04.556677  <4>[   62.249698]  ksys_write+0x68/0xf0

 7226 21:36:04.560588  <4>[   62.253372]  do_syscall_64+0x33/0x40

 7227 21:36:04.566214  <4>[   62.257291]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 7228 21:36:04.570141  <4>[   62.262691] RIP: 0033:0x7fb6ef62a473

 7229 21:36:04.589331  <4>[   62.266633] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 7230 21:36:04.597246  <4>[   62.285818] RSP: 002b:00007ffca010d2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 7231 21:36:04.604578  <4>[   62.293767] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fb6ef62a473

 7232 21:36:04.611972  <4>[   62.301216] RDX: 0000000000000020 RSI: 00007fb6ef51e000 RDI: 0000000000000001

 7233 21:36:04.619424  <4>[   62.308654] RBP: 00007fb6ef51e000 R08: 00007fb6ef51d010 R09: 0000000000000000

 7234 21:36:04.627261  <4>[   62.316131] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 7235 21:36:04.634197  <4>[   62.323573] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 7236 21:36:04.637830  <4>[   62.330986] irq event stamp: 0

 7237 21:36:04.644735  <4>[   62.334314] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 7238 21:36:04.652757  <4>[   62.340841] hardirqs last disabled at (0): [<ffffffff8f6fddac>] copy_process+0x65c/0x20e0

 7239 21:36:04.661291  <4>[   62.349292] softirqs last  enabled at (0): [<ffffffff8f6fddac>] copy_process+0x65c/0x20e0

 7240 21:36:04.667698  <4>[   62.357731] softirqs last disabled at (0): [<0000000000000000>] 0x0

 7241 21:36:04.672498  <4>[   62.364273] ---[ end trace 0e3e908715a0f311 ]---

 7242 21:36:04.677979  <6>[   62.369169] lkdtm: Saturation detected: still saturated

 7243 21:36:04.717936  # [   61.771898] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED

 7244 21:36:04.724919  # [   61.796032] lkdtm: attempting bad refcount_sub_and_test() from saturated

 7245 21:36:04.730725  # [   61.825182] ------------[ cut here ]------------

 7246 21:36:04.735337  # [   61.852273] refcount_t: underflow; use-after-free.

 7247 21:36:04.743179  # [   61.879534] WARNING: CPU: 1 PID: 2549 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110

 7248 21:36:04.783410  # [   61.910451] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 cros_ec_dev videobuf2_common designware_i2s snd_soc_acp_da7219mx98357_mach cros_usbpd_notify chromeos_pstore snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c coreboot_table

 7249 21:36:04.790829  # [   61.972425] CPU: 1 PID: 2549 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 7250 21:36:04.797075  # [   62.002678] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 7251 21:36:04.802401  # [   62.030991] RIP: 0010:refcount_warn_saturate+0xba/0x110

 7252 21:36:04.822544  # [   62.058613] Code: 02 01 e8 3b 3e c4 00 0f 0b e9 c2 a1 04 01 80 3d e0 cc 36 02 00 75 85 48 c7 c7 f8 53 97 91 c6 05 d0 cc 36 02 01 e8 18 3e c4 00 <0f> 0b e9 9f a1 04 01 80 3d bb cc 36 02 00 0f 85 5e ff ff ff 48 c7

 7253 21:36:04.826697  # [   62.099819] RSP: 0018:ffffb258c4787e40 EFLAGS: 00010286

 7254 21:36:04.833897  # [   62.127446] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000

 7255 21:36:04.842566  # [   62.141766] RDX: ffff91a2ead2c620 RSI: ffff91a2ead1bf50 RDI: ffff91a2ead1bf50

 7256 21:36:04.849101  # [   62.149183] RBP: ffffffff91a1a678 R08: 0000000000000000 R09: 0000000000000000

 7257 21:36:04.857135  # [   62.156605] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020

 7258 21:36:04.863934  # [   62.164019] R13: ffffb258c4787f10 R14: ffffb258c4787f10 R15: ffff91a2c3d69000

 7259 21:36:04.871475  # [   62.171445] FS:  00007fb6ef752580(0000) GS:ffff91a2ead00000(0000) knlGS:0000000000000000

 7260 21:36:04.877939  # [   62.179805] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 7261 21:36:04.884542  # [   62.185853] CR2: 00007fb6ef51e000 CR3: 0000000102e74000 CR4: 00000000001506e0

 7262 21:36:04.887232  # [   62.193270] Call Trace:

 7263 21:36:04.892052  # [   62.196023]  ? __warn+0x80/0x110

 7264 21:36:04.894983  # [   62.199537]  ? refcount_warn_saturate+0xba/0x110

 7265 21:36:04.899404  # [   62.204452]  ? report_bug+0x9e/0xc0

 7266 21:36:04.902579  # [   62.208229]  ? handle_bug+0x41/0x90

 7267 21:36:04.906686  # [   62.212060]  ? exc_invalid_op+0x14/0x70

 7268 21:36:04.911306  # [   62.216217]  ? asm_exc_invalid_op+0x12/0x20

 7269 21:36:04.915849  # [   62.220755]  ? refcount_warn_saturate+0xba/0x110

 7270 21:36:04.921929  # [   62.225720]  __refcount_sub_and_test.constprop.0+0x3c/0x50

 7271 21:36:04.927074  # [   62.231550]  lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76

 7272 21:36:04.930901  # [   62.237550]  direct_entry.cold+0x2c/0x38

 7273 21:36:04.934973  # [   62.241816]  full_proxy_write+0x56/0x80

 7274 21:36:04.938574  # [   62.246063]  vfs_write+0xea/0x3b0

 7275 21:36:04.941793  # [   62.249698]  ksys_write+0x68/0xf0

 7276 21:36:04.946212  # [   62.253372]  do_syscall_64+0x33/0x40

 7277 21:36:04.950973  # [   62.257291]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 7278 21:36:04.955240  # [   62.262691] RIP: 0033:0x7fb6ef62a473

 7279 21:36:04.968446  # [   62.266633] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1<6>[   62.655570] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO

 7280 21:36:04.980159  f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 7281 21:36:04.988538  # [   62.285818] RSP: 002b:00007ffca010d2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 7282 21:36:04.996457  # [   62.293767] RAX: ffffffffffffff<6>[   62.664871] lkdtm: attempting good copy_to_user of correct size

 7283 21:36:05.002211  da RBX: 0000000000000020 RCX: 00007fb6ef62a473

 7284 21:36:05.008631  # [   62.301216] RDX: 0000000000000020 RSI: 00007fb6ef51e000 RDI: 0000000000000001

 7285 21:36:05.015266  # [   62.308654] RBP: 00007fb6ef51e000 R08: 00007fb6ef51d010 R09: 0000000000000000

 7286 21:36:05.026071  # [   62.316131] R10: fffffffffffffbc5 R<6>[   62.693257] lkdtm: attempting bad copy_to_user of too large size

 7287 21:36:05.029285  11: 0000000000000246 R12: 0000000000000001

 7288 21:36:05.036887  # [   62.323573] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 7289 21:36:05.039608  # [   62.330986] irq event stamp: 0

 7290 21:36:05.046487  # [   62.334314] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 7291 21:36:05.054321  # [   62.340841] hardirqs last disabled at (0): [<ffffffff8f6fddac>] copy_process+0x65c/0x20e0

 7292 21:36:05.062670  # [   62.349292] softirqs last  enabled at (0): [<ffffffff8f6fddac>] copy_process+0x65c/0x20e0

 7293 21:36:05.069551  # [   62.357731] softirqs last disabled at (0): [<0000000000000000>] 0x0

 7294 21:36:05.073817  # [   62.364273] ---[ end trace 0e3e908715a0f311 ]---

 7295 21:36:05.079164  # [   62.369169] lkdtm: Saturation detected: still saturated

 7296 21:36:05.086991  # REFCOUNT_SUB_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok

 7297 21:36:05.092500  ok 58 selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh

 7298 21:36:05.095226  # selftests: lkdtm: REFCOUNT_TIMING.sh

 7299 21:36:05.098829  # Skipping REFCOUNT_TIMING: timing only

 7300 21:36:05.103187  ok 59 selftests: lkdtm: REFCOUNT_TIMING.sh # SKIP

 7301 21:36:05.106504  # selftests: lkdtm: ATOMIC_TIMING.sh

 7302 21:36:05.111167  # Skipping ATOMIC_TIMING: timing only

 7303 21:36:05.115286  ok 60 selftests: lkdtm: ATOMIC_TIMING.sh # SKIP

 7304 21:36:05.118197  # selftests: lkdtm: USERCOPY_HEAP_SIZE_TO.sh

 7305 21:36:05.124293  # [   62.655570] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO

 7306 21:36:05.130727  # [   62.664871] lkdtm: attempting good copy_to_user of correct size

 7307 21:36:05.136132  # [   62.693257] lkdtm: attempting bad copy_to_user of too large size

 7308 21:36:05.141657  # USERCOPY_HEAP_SIZE_TO: missing 'call trace:': [FAIL]

 7309 21:36:05.146778  not ok 61 selftests: lkdtm: USERCOPY_HEAP_SIZE_TO.sh # exit=1

 7310 21:36:05.150788  # selftests: lkdtm: USERCOPY_HEAP_SIZE_FROM.sh

 7311 21:36:05.219376  <6>[   62.908706] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM

 7312 21:36:05.225148  <6>[   62.915150] lkdtm: attempting good copy_from_user of correct size

 7313 21:36:05.231659  <6>[   62.921538] lkdtm: attempting bad copy_from_user of too large size

 7314 21:36:05.264187  # [   62.908706] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM

 7315 21:36:05.272157  # [   62.915150] lkdtm: attempting good copy_from_user of correct size

 7316 21:36:05.276914  # [   62.921538] lkdtm: attempting bad copy_from_user of too large size

 7317 21:36:05.281905  # USERCOPY_HEAP_SIZE_FROM: missing 'call trace:': [FAIL]

 7318 21:36:05.288072  not ok 62 selftests: lkdtm: USERCOPY_HEAP_SIZE_FROM.sh # exit=1

 7319 21:36:05.291810  # selftests: lkdtm: USERCOPY_HEAP_WHITELIST_TO.sh

 7320 21:36:05.375110  <6>[   63.065069] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO

 7321 21:36:05.381433  <6>[   63.071795] lkdtm: attempting good copy_to_user inside whitelist

 7322 21:36:05.388001  <6>[   63.078110] lkdtm: attempting bad copy_to_user outside whitelist

 7323 21:36:05.419994  # [   63.065069] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO

 7324 21:36:05.424763  # [   63.071795] lkdtm: attempting good copy_to_user inside whitelist

 7325 21:36:05.431328  # [   63.078110] lkdtm: attempting bad copy_to_user outside whitelist

 7326 21:36:05.436736  # USERCOPY_HEAP_WHITELIST_TO: missing 'call trace:': [FAIL]

 7327 21:36:05.442156  not ok 63 selftests: lkdtm: USERCOPY_HEAP_WHITELIST_TO.sh # exit=1

 7328 21:36:05.446574  # selftests: lkdtm: USERCOPY_HEAP_WHITELIST_FROM.sh

 7329 21:36:05.535009  <6>[   63.224541] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM

 7330 21:36:05.542011  <6>[   63.231441] lkdtm: attempting good copy_from_user inside whitelist

 7331 21:36:05.547819  <6>[   63.237895] lkdtm: attempting bad copy_from_user outside whitelist

 7332 21:36:05.579161  # [   63.224541] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM

 7333 21:36:05.585309  # [   63.231441] lkdtm: attempting good copy_from_user inside whitelist

 7334 21:36:05.592159  # [   63.237895] lkdtm: attempting bad copy_from_user outside whitelist

 7335 21:36:05.597366  # USERCOPY_HEAP_WHITELIST_FROM: missing 'call trace:': [FAIL]

 7336 21:36:05.603550  not ok 64 selftests: lkdtm: USERCOPY_HEAP_WHITELIST_FROM.sh # exit=1

 7337 21:36:05.607261  # selftests: lkdtm: USERCOPY_STACK_FRAME_TO.sh

 7338 21:36:05.683223  <6>[   63.372432] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO

 7339 21:36:05.688613  <6>[   63.378879] lkdtm: good_stack: ffffb258c4aefe20-ffffb258c4aefe40

 7340 21:36:05.694600  <6>[   63.385176] lkdtm: bad_stack : ffffb258c4aefda8-ffffb258c4aefdc8

 7341 21:36:05.701124  <6>[   63.391456] lkdtm: attempting good copy_to_user of local stack

 7342 21:36:05.707305  <6>[   63.397557] lkdtm: attempting bad copy_to_user of distant stack

 7343 21:36:05.746568  # [   63.372432] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO

 7344 21:36:05.752749  # [   63.378879] lkdtm: good_stack: ffffb258c4aefe20-ffffb258c4aefe40

 7345 21:36:05.759030  # [   63.385176] lkdtm: bad_stack : ffffb258c4aefda8-ffffb258c4aefdc8

 7346 21:36:05.764733  # [   63.391456] lkdtm: attempting good copy_to_user of local stack

 7347 21:36:05.770600  # [   63.397557] lkdtm: attempting bad copy_to_user of distant stack

 7348 21:36:05.776718  # USERCOPY_STACK_FRAME_TO: missing 'call trace:': [FAIL]

 7349 21:36:05.781266  not ok 65 selftests: lkdtm: USERCOPY_STACK_FRAME_TO.sh # exit=1

 7350 21:36:05.785534  # selftests: lkdtm: USERCOPY_STACK_FRAME_FROM.sh

 7351 21:36:05.849883  <6>[   63.539701] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM

 7352 21:36:05.855956  <6>[   63.546319] lkdtm: good_stack: ffffb258c4b6fe20-ffffb258c4b6fe40

 7353 21:36:05.863581  <6>[   63.552614] lkdtm: bad_stack : ffffb258c4b6fda8-ffffb258c4b6fdc8

 7354 21:36:05.868436  <6>[   63.558903] lkdtm: attempting good copy_from_user of local stack

 7355 21:36:05.875048  <6>[   63.565179] lkdtm: attempting bad copy_from_user of distant stack

 7356 21:36:05.914998  # [   63.539701] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM

 7357 21:36:05.922466  # [   63.546319] lkdtm: good_stack: ffffb258c4b6fe20-ffffb258c4b6fe40

 7358 21:36:05.927365  # [   63.552614] lkdtm: bad_stack : ffffb258c4b6fda8-ffffb258c4b6fdc8

 7359 21:36:05.933841  # [   63.558903] lkdtm: attempting good copy_from_user of local stack

 7360 21:36:05.939521  # [   63.565179] lkdtm: attempting bad copy_from_user of distant stack

 7361 21:36:05.944794  # USERCOPY_STACK_FRAME_FROM: missing 'call trace:': [FAIL]

 7362 21:36:05.950387  not ok 66 selftests: lkdtm: USERCOPY_STACK_FRAME_FROM.sh # exit=1

 7363 21:36:05.954122  # selftests: lkdtm: USERCOPY_STACK_BEYOND.sh

 7364 21:36:06.023480  <6>[   63.713852] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND

 7365 21:36:06.029649  <6>[   63.720129] lkdtm: good_stack: ffffb258c4c07e20-ffffb258c4c07e40

 7366 21:36:06.036065  <6>[   63.726425] lkdtm: bad_stack : ffffb258c4c07ff8-ffffb258c4c08018

 7367 21:36:06.042023  <6>[   63.732702] lkdtm: attempting good copy_to_user of local stack

 7368 21:36:06.048265  <6>[   63.738799] lkdtm: attempting bad copy_to_user of distant stack

 7369 21:36:06.053844  <4>[   63.744986] lkdtm: copy_to_user failed, but lacked Oops

 7370 21:36:06.086853  # [   63.713852] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND

 7371 21:36:06.092162  # [   63.720129] lkdtm: good_stack: ffffb258c4c07e20-ffffb258c4c07e40

 7372 21:36:06.098469  # [   63.726425] lkdtm: bad_stack : ffffb258c4c07ff8-ffffb258c4c08018

 7373 21:36:06.105853  # [   63.732702] lkdtm: attempting good copy_to_user of local stack

 7374 21:36:06.111220  # [   63.738799] lkdtm: attempting bad copy_to_user of distant stack

 7375 21:36:06.116524  # [   63.744986] lkdtm: copy_to_user failed, but lacked Oops

 7376 21:36:06.121197  # USERCOPY_STACK_BEYOND: missing 'call trace:': [FAIL]

 7377 21:36:06.126815  not ok 67 selftests: lkdtm: USERCOPY_STACK_BEYOND.sh # exit=1

 7378 21:36:06.129615  # selftests: lkdtm: USERCOPY_KERNEL.sh

 7379 21:36:06.192334  <6>[   63.883213] lkdtm: Performing direct entry USERCOPY_KERNEL

 7380 21:36:06.200741  <6>[   63.888981] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff91594750

 7381 21:36:06.208508  <6>[   63.897027] lkdtm: attempting bad copy_to_user from kernel text: ffffffff8f8e3ce0

 7382 21:36:06.213595  <3>[   63.904792] lkdtm: FAIL: survived bad copy_to_user()

 7383 21:36:06.255206  # [   63.883213] lkdtm: Performing direct entry USERCOPY_KERNEL

 7384 21:36:06.263567  # [   63.888981] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff91594750

 7385 21:36:06.270980  # [   63.897027] lkdtm: attempting bad copy_to_user from kernel text: ffffffff8f8e3ce0

 7386 21:36:06.275781  # [   63.904792] lkdtm: FAIL: survived bad copy_to_user()

 7387 21:36:06.280629  # USERCOPY_KERNEL: missing 'call trace:': [FAIL]

 7388 21:36:06.285180  not ok 68 selftests: lkdtm: USERCOPY_KERNEL.sh # exit=1

 7389 21:36:06.288801  # selftests: lkdtm: STACKLEAK_ERASING.sh

 7390 21:36:06.357154  <6>[   64.047702] lkdtm: Performing direct entry STACKLEAK_ERASING

 7391 21:36:06.364462  <6>[   64.053625] lkdtm: checking unused part of the thread stack (15928 bytes)...

 7392 21:36:06.371782  <3>[   64.060968] lkdtm: FAIL: the erased part is not found (checked 15928 bytes)

 7393 21:36:06.378251  <3>[   64.068189] lkdtm: FAIL: the thread stack is NOT properly erased

 7394 21:36:06.386520  <4>[   64.074454] CPU: 0 PID: 2925 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 7395 21:36:06.392213  <4>[   64.082444] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 7396 21:36:06.395057  <4>[   64.088613] Call Trace:

 7397 21:36:06.398753  <4>[   64.091347]  dump_stack+0x77/0x9b

 7398 21:36:06.403847  <4>[   64.094919]  lkdtm_STACKLEAK_ERASING+0x116/0x144

 7399 21:36:06.407560  <4>[   64.099792]  direct_entry.cold+0x2c/0x38

 7400 21:36:06.411233  <4>[   64.103972]  full_proxy_write+0x56/0x80

 7401 21:36:06.415922  <4>[   64.108063]  vfs_write+0xea/0x3b0

 7402 21:36:06.418912  <4>[   64.111635]  ksys_write+0x68/0xf0

 7403 21:36:06.422626  <4>[   64.115206]  do_syscall_64+0x33/0x40

 7404 21:36:06.428135  <4>[   64.119036]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 7405 21:36:06.431530  <4>[   64.124340] RIP: 0033:0x7f47392ca473

 7406 21:36:06.451097  <4>[   64.128169] 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

 7407 21:36:06.458431  <4>[   64.147165] RSP: 002b:00007ffc342e8e78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 7408 21:36:06.466103  <4>[   64.154983] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f47392ca473

 7409 21:36:06.473451  <4>[   64.162364] RDX: 0000000000000012 RSI: 00007f47391be000 RDI: 0000000000000001

 7410 21:36:06.481927  <4>[   64.169746] RBP: 00007f47391be000 R08: 00007f47391bd010 R09: 0000000000000000

 7411 21:36:06.488379  <4>[   64.177128] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 7412 21:36:06.495425  <4>[   64.184509] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 7413 21:36:06.552782  # [   64.047702] lkdtm: Performing direct entry STACKLEAK_ERASING

 7414 21:36:06.561020  # [   64.053625] lkdtm: checking unused part of the thread stack (15928 bytes)...

 7415 21:36:06.567802  # [   64.060968] lkdtm: FAIL: the erased part is not found (checked 15928 bytes)

 7416 21:36:06.574023  # [   64.068189] lkdtm: FAIL: the thread stack is NOT properly erased

 7417 21:36:06.581336  # [   64.074454] CPU: 0 PID: 2925 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 7418 21:36:06.587729  # [   64.082444] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 7419 21:36:06.590184  # [   64.088613] Call Trace:

 7420 21:36:06.593537  # [   64.091347]  dump_stack+0x77/0x9b

 7421 21:36:06.597966  # [   64.094919]  lkdtm_STACKLEAK_ERASING+0x116/0x144

 7422 21:36:06.602214  # [   64.099792]  direct_entry.cold+0x2c/0x38

 7423 21:36:06.606918  # [   64.103972]  full_proxy_write+0x56/0x80

 7424 21:36:06.609330  # [   64.108063]  vfs_write+0xea/0x3b0

 7425 21:36:06.613768  # [   64.111635]  ksys_write+0x68/0xf0

 7426 21:36:06.616589  # [   64.115206]  do_syscall_64+0x33/0x40

 7427 21:36:06.622105  # [   64.119036]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 7428 21:36:06.626186  # [   64.124340] RIP: 0033:0x7f47392ca473

 7429 21:36:06.644818  # [   64.128169] 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

 7430 21:36:06.652364  # [   64.147165] RSP: 002b:00007ffc342e8e78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 7431 21:36:06.663739  # [   64.154983] RAX: ffffffffffffffda RBX: 0000000000000012 RCX:<6>[   64.340312] lkdtm: Performing direct entry CFI_FORWARD_PROTO

 7432 21:36:06.665519   00007f47392ca473

 7433 21:36:06.673965  # [   64.162364] RDX: 0000000000000012 RSI: 00007f47391be000 RDI: 0000000000000001

 7434 21:36:06.679919  # [   64.169746] RBP: 00007f47391be000 R08: 00007f47391bd010 R09: 0000000000000000

 7435 21:36:06.691058  # [   64.177128] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 000<6>[   64.360457] lkdtm: Calling matched prototype ...

 7436 21:36:06.692180  0000000000001

 7437 21:36:06.699304  # [   64.184509] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 7438 21:36:06.708097  # STACKLEAK_ERASING: missing 'OK: the rest of the thread stack is properly erased': [FAIL]

 7439 21:36:06.713287  not ok 69 selftests: lkdtm: STACKLEAK_ERASING.sh # exit=1

 7440 21:36:06.718116  # self<6>[   64.387554] lkdtm: Calling mismatched prototype ...

 7441 21:36:06.722151  tests: lkdtm: CFI_FORWARD_PROTO.sh

 7442 21:36:06.727990  <6>[   64.414820] lkdtm: Fail: survived mismatched prototype function call!

 7443 21:36:06.765811  # [   64.340312] lkdtm: Performing direct entry CFI_FORWARD_PROTO

 7444 21:36:06.770264  # [   64.360457] lkdtm: Calling matched prototype ...

 7445 21:36:06.775149  # [   64.387554] lkdtm: Calling mismatched prototype ...

 7446 21:36:06.781825  # [   64.414820] lkdtm: Fail: survived mismatched prototype function call!

 7447 21:36:06.786820  # CFI_FORWARD_PROTO: missing 'call trace:': [FAIL]

 7448 21:36:06.791225  not ok 70 selftests: lkdtm: CFI_FORWARD_PROTO.sh # exit=1

 7449 21:36:07.251322  Traceback (most recent call last):

 7450 21:36:07.260923    File "/lava-12965436/0/tests/1_kselftest-lkdtm/automated/linux/kselftest/./parse-output.py", line 4, in <module>

 7451 21:36:07.262577      from tap import parser

 7452 21:36:07.267038  ModuleNotFoundError: No module named 'tap'

 7453 21:36:07.270884  + ../../utils/send-to-lava.sh ./output/result.txt

 7454 21:36:07.305563  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=shardfile-lkdtm RESULT=pass>

 7455 21:36:07.305699  + set +x

 7456 21:36:07.306391  Received signal: <TESTCASE> TEST_CASE_ID=shardfile-lkdtm RESULT=pass
 7458 21:36:07.310355  <LAVA_SIGNAL_ENDRUN 1_kselftest-lkdtm 12965436_1.5.2.3.5>

 7459 21:36:07.310610  Received signal: <ENDRUN> 1_kselftest-lkdtm 12965436_1.5.2.3.5
 7460 21:36:07.310685  Ending use of test pattern.
 7461 21:36:07.310748  Ending test lava.1_kselftest-lkdtm (12965436_1.5.2.3.5), duration 45.20
 7463 21:36:07.312781  <LAVA_TEST_RUNNER EXIT>

 7464 21:36:07.313033  ok: lava_test_shell seems to have completed
 7465 21:36:07.313130  shardfile-lkdtm: pass

 7466 21:36:07.313219  end: 3.1 lava-test-shell (duration 00:00:46) [common]
 7467 21:36:07.313302  end: 3 lava-test-retry (duration 00:00:46) [common]
 7468 21:36:07.313390  start: 4 finalize (timeout 00:08:01) [common]
 7469 21:36:07.313505  start: 4.1 power-off (timeout 00:00:30) [common]
 7470 21:36:07.313668  Calling: 'pduclient' '--daemon=localhost' '--hostname=hp-11A-G6-EE-grunt-cbg-8' '--port=1' '--command=off'
 7471 21:36:07.384010  >> Command sent successfully.

 7472 21:36:07.386536  Returned 0 in 0 seconds
 7473 21:36:07.486986  end: 4.1 power-off (duration 00:00:00) [common]
 7475 21:36:07.487347  start: 4.2 read-feedback (timeout 00:08:01) [common]
 7476 21:36:07.487626  Listened to connection for namespace 'common' for up to 1s
 7477 21:36:07.487911  Listened to connection for namespace 'common' for up to 1s
 7478 21:36:07.489563  Listened to connection for namespace 'common' for up to 1s
 7479 21:36:07.490323  Listened to connection for namespace 'common' for up to 1s
 7480 21:36:07.491141  Listened to connection for namespace 'common' for up to 1s
 7481 21:36:07.493602  Listened to connection for namespace 'common' for up to 1s
 7482 21:36:07.494044  Listened to connection for namespace 'common' for up to 1s
 7483 21:36:07.495266  Listened to connection for namespace 'common' for up to 1s
 7484 21:36:07.496483  Listened to connection for namespace 'common' for up to 1s
 7485 21:36:07.499482  Listened to connection for namespace 'common' for up to 1s
 7486 21:36:07.500287  Listened to connection for namespace 'common' for up to 1s
 7487 21:36:07.501092  Listened to connection for namespace 'common' for up to 1s
 7488 21:36:07.502305  Listened to connection for namespace 'common' for up to 1s
 7489 21:36:07.502680  Listened to connection for namespace 'common' for up to 1s
 7490 21:36:07.503894  Listened to connection for namespace 'common' for up to 1s
 7491 21:36:07.506990  Listened to connection for namespace 'common' for up to 1s
 7492 21:36:07.509598  Listened to connection for namespace 'common' for up to 1s
 7493 21:36:07.510845  Listened to connection for namespace 'common' for up to 1s
 7494 21:36:07.511301  Listened to connection for namespace 'common' for up to 1s
 7495 21:36:07.511686  Listened to connection for namespace 'common' for up to 1s
 7496 21:36:07.512541  Listened to connection for namespace 'common' for up to 1s
 7497 21:36:07.512895  Listened to connection for namespace 'common' for up to 1s
 7498 21:36:07.513693  Listened to connection for namespace 'common' for up to 1s
 7499 21:36:07.514163  Listened to connection for namespace 'common' for up to 1s
 7500 21:36:07.515374  Listened to connection for namespace 'common' for up to 1s
 7501 21:36:07.515836  Listened to connection for namespace 'common' for up to 1s
 7502 21:36:07.516633  Listened to connection for namespace 'common' for up to 1s
 7503 21:36:07.517429  Listened to connection for namespace 'common' for up to 1s
 7504 21:36:07.518537  Listened to connection for namespace 'common' for up to 1s
 7505 21:36:07.520047  Listened to connection for namespace 'common' for up to 1s
 7506 21:36:07.520370  Listened to connection for namespace 'common' for up to 1s
 7507 21:36:07.521511  Listened to connection for namespace 'common' for up to 1s
 7508 21:36:07.521965  Listened to connection for namespace 'common' for up to 1s
 7509 21:36:07.522619  Listened to connection for namespace 'common' for up to 1s
 7510 21:36:07.523074  Listened to connection for namespace 'common' for up to 1s
 7511 21:36:07.524821  Listened to connection for namespace 'common' for up to 1s
 7512 21:36:07.525912  Listened to connection for namespace 'common' for up to 1s
 7513 21:36:07.526605  Listened to connection for namespace 'common' for up to 1s
 7514 21:36:07.527052  Listened to connection for namespace 'common' for up to 1s
 7515 21:36:07.527330  Listened to connection for namespace 'common' for up to 1s
 7516 21:36:07.528155  Listened to connection for namespace 'common' for up to 1s
 7517 21:36:07.528861  Listened to connection for namespace 'common' for up to 1s
 7518 21:36:07.530473  Listened to connection for namespace 'common' for up to 1s
 7519 21:36:07.530848  Listened to connection for namespace 'common' for up to 1s
 7520 21:36:07.534284  Listened to connection for namespace 'common' for up to 1s
 7521 21:36:07.535039  Listened to connection for namespace 'common' for up to 1s
 7522 21:36:07.535471  Listened to connection for namespace 'common' for up to 1s
 7523 21:36:07.536756  Listened to connection for namespace 'common' for up to 1s
 7524 21:36:07.537128  Listened to connection for namespace 'common' for up to 1s
 7525 21:36:07.537926  Listened to connection for namespace 'common' for up to 1s
 7526 21:36:07.539141  Listened to connection for namespace 'common' for up to 1s
 7527 21:36:07.540791  Listened to connection for namespace 'common' for up to 1s
 7528 21:36:07.542371  Listened to connection for namespace 'common' for up to 1s
 7529 21:36:07.543091  Listened to connection for namespace 'common' for up to 1s
 7530 21:36:07.545002  Listened to connection for namespace 'common' for up to 1s
 7531 21:36:07.545647  Listened to connection for namespace 'common' for up to 1s
 7532 21:36:07.546498  Listened to connection for namespace 'common' for up to 1s
 7533 21:36:07.546870  Listened to connection for namespace 'common' for up to 1s
 7534 21:36:07.547683  Listened to connection for namespace 'common' for up to 1s
 7535 21:36:07.548064  Listened to connection for namespace 'common' for up to 1s
 7536 21:36:07.548776  Listened to connection for namespace 'common' for up to 1s
 7537 21:36:07.549564  Listened to connection for namespace 'common' for up to 1s
 7538 21:36:07.549859  Listened to connection for namespace 'common' for up to 1s
 7539 21:36:07.551821  Listened to connection for namespace 'common' for up to 1s
 7540 21:36:07.552272  Listened to connection for namespace 'common' for up to 1s
 7541 21:36:07.555012  Listened to connection for namespace 'common' for up to 1s
 7542 21:36:07.556116  Listened to connection for namespace 'common' for up to 1s
 7543 21:36:07.558660  Listened to connection for namespace 'common' for up to 1s
 7544 21:36:07.560822  Listened to connection for namespace 'common' for up to 1s
 7545 21:36:07.561472  Listened to connection for namespace 'common' for up to 1s
 7546 21:36:07.563384  Listened to connection for namespace 'common' for up to 1s
 7547 21:36:07.564078  Listened to connection for namespace 'common' for up to 1s
 7548 21:36:07.565511  Listened to connection for namespace 'common' for up to 1s
 7549 21:36:07.566097  Listened to connection for namespace 'common' for up to 1s
 7550 21:36:07.566465  Listened to connection for namespace 'common' for up to 1s
 7551 21:36:07.567162  Listened to connection for namespace 'common' for up to 1s
 7552 21:36:07.568257  Listened to connection for namespace 'common' for up to 1s
 7553 21:36:07.570086  Listened to connection for namespace 'common' for up to 1s
 7554 21:36:07.570450  Listened to connection for namespace 'common' for up to 1s
 7555 21:36:07.571919  Listened to connection for namespace 'common' for up to 1s
 7556 21:36:07.574443  Listened to connection for namespace 'common' for up to 1s
 7557 21:36:07.574737  Listened to connection for namespace 'common' for up to 1s
 7558 21:36:07.575555  Listened to connection for namespace 'common' for up to 1s
 7559 21:36:07.576547  Listened to connection for namespace 'common' for up to 1s
 7560 21:36:07.577274  Listened to connection for namespace 'common' for up to 1s
 7561 21:36:07.578387  Listened to connection for namespace 'common' for up to 1s
 7562 21:36:07.579513  Listened to connection for namespace 'common' for up to 1s
 7563 21:36:07.579884  Listened to connection for namespace 'common' for up to 1s
 7564 21:36:07.581191  Listened to connection for namespace 'common' for up to 1s
 7565 21:36:07.582868  Listened to connection for namespace 'common' for up to 1s
 7566 21:36:07.584055  Listened to connection for namespace 'common' for up to 1s
 7567 21:36:07.584467  Listened to connection for namespace 'common' for up to 1s
 7568 21:36:07.585487  Listened to connection for namespace 'common' for up to 1s
 7569 21:36:07.586105  Listened to connection for namespace 'common' for up to 1s
 7570 21:36:07.586453  Listened to connection for namespace 'common' for up to 1s
 7571 21:36:07.587762  Listened to connection for namespace 'common' for up to 1s
 7572 21:36:07.588154  Listened to connection for namespace 'common' for up to 1s
 7573 21:36:07.589698  Listened to connection for namespace 'common' for up to 1s
 7574 21:36:07.590914  Listened to connection for namespace 'common' for up to 1s
 7575 21:36:07.591735  Listened to connection for namespace 'common' for up to 1s
 7576 21:36:07.592170  Listened to connection for namespace 'common' for up to 1s
 7577 21:36:07.592960  Listened to connection for namespace 'common' for up to 1s
 7578 21:36:07.594197  Listened to connection for namespace 'common' for up to 1s
 7579 21:36:07.595081  Listened to connection for namespace 'common' for up to 1s
 7580 21:36:07.596281  Listened to connection for namespace 'common' for up to 1s
 7581 21:36:07.597496  Listened to connection for namespace 'common' for up to 1s
 7582 21:36:07.599550  Listened to connection for namespace 'common' for up to 1s
 7583 21:36:07.602923  Listened to connection for namespace 'common' for up to 1s
 7584 21:36:07.604113  Listened to connection for namespace 'common' for up to 1s
 7585 21:36:07.604527  Listened to connection for namespace 'common' for up to 1s
 7586 21:36:07.605369  Listened to connection for namespace 'common' for up to 1s
 7587 21:36:07.605777  Listened to connection for namespace 'common' for up to 1s
 7588 21:36:07.606566  Listened to connection for namespace 'common' for up to 1s
 7589 21:36:07.607672  Listened to connection for namespace 'common' for up to 1s
 7590 21:36:07.608452  Listened to connection for namespace 'common' for up to 1s
 7591 21:36:07.610058  Listened to connection for namespace 'common' for up to 1s
 7592 21:36:07.612528  Listened to connection for namespace 'common' for up to 1s
 7593 21:36:07.612913  Listened to connection for namespace 'common' for up to 1s
 7594 21:36:07.613330  Listened to connection for namespace 'common' for up to 1s
 7595 21:36:07.614559  Listened to connection for namespace 'common' for up to 1s
 7596 21:36:07.615855  Listened to connection for namespace 'common' for up to 1s
 7597 21:36:07.616754  Listened to connection for namespace 'common' for up to 1s
 7598 21:36:07.617105  Listened to connection for namespace 'common' for up to 1s
 7599 21:36:07.617502  Listened to connection for namespace 'common' for up to 1s
 7600 21:36:07.617916  Listened to connection for namespace 'common' for up to 1s
 7601 21:36:07.619151  Listened to connection for namespace 'common' for up to 1s
 7602 21:36:07.620777  Listened to connection for namespace 'common' for up to 1s
 7603 21:36:07.623356  Listened to connection for namespace 'common' for up to 1s
 7604 21:36:07.624121  Listened to connection for namespace 'common' for up to 1s
 7605 21:36:07.624556  Listened to connection for namespace 'common' for up to 1s
 7606 21:36:07.625005  Listened to connection for namespace 'common' for up to 1s
 7607 21:36:07.625828  Listened to connection for namespace 'common' for up to 1s
 7608 21:36:07.626189  Listened to connection for namespace 'common' for up to 1s
 7609 21:36:07.629014  Listened to connection for namespace 'common' for up to 1s
 7610 21:36:07.630169  Listened to connection for namespace 'common' for up to 1s
 7611 21:36:07.630905  Listened to connection for namespace 'common' for up to 1s
 7612 21:36:07.631306  Listened to connection for namespace 'common' for up to 1s
 7613 21:36:07.632046  Listened to connection for namespace 'common' for up to 1s
 7614 21:36:07.633077  Listened to connection for namespace 'common' for up to 1s
 7615 21:36:07.636820  Listened to connection for namespace 'common' for up to 1s
 7616 21:36:07.637176  Listened to connection for namespace 'common' for up to 1s
 7617 21:36:07.638601  Listened to connection for namespace 'common' for up to 1s
 7618 21:36:07.638965  Listened to connection for namespace 'common' for up to 1s
 7619 21:36:07.641032  Listened to connection for namespace 'common' for up to 1s
 7620 21:36:07.641404  Listened to connection for namespace 'common' for up to 1s
 7621 21:36:07.644258  Listened to connection for namespace 'common' for up to 1s
 7622 21:36:07.647216  Listened to connection for namespace 'common' for up to 1s
 7623 21:36:07.650342  Listened to connection for namespace 'common' for up to 1s
 7624 21:36:07.651938  Listened to connection for namespace 'common' for up to 1s
 7625 21:36:07.652660  Listened to connection for namespace 'common' for up to 1s
 7626 21:36:07.653442  Listened to connection for namespace 'common' for up to 1s
 7627 21:36:07.654642  Listened to connection for namespace 'common' for up to 1s
 7628 21:36:07.655496  Listened to connection for namespace 'common' for up to 1s
 7629 21:36:07.656173  Listened to connection for namespace 'common' for up to 1s
 7630 21:36:07.656595  Listened to connection for namespace 'common' for up to 1s
 7631 21:36:07.658753  Listened to connection for namespace 'common' for up to 1s
 7632 21:36:07.659164  Listened to connection for namespace 'common' for up to 1s
 7633 21:36:07.659583  Listened to connection for namespace 'common' for up to 1s
 7634 21:36:07.662945  Listened to connection for namespace 'common' for up to 1s
 7635 21:36:07.663712  Listened to connection for namespace 'common' for up to 1s
 7636 21:36:07.664132  Listened to connection for namespace 'common' for up to 1s
 7637 21:36:07.664487  Listened to connection for namespace 'common' for up to 1s
 7638 21:36:07.665247  Listened to connection for namespace 'common' for up to 1s
 7639 21:36:07.665985  Listened to connection for namespace 'common' for up to 1s
 7640 21:36:07.666714  Listened to connection for namespace 'common' for up to 1s
 7641 21:36:07.667178  Listened to connection for namespace 'common' for up to 1s
 7642 21:36:07.667933  Listened to connection for namespace 'common' for up to 1s
 7643 21:36:07.668391  Listened to connection for namespace 'common' for up to 1s
 7644 21:36:07.669149  Listened to connection for namespace 'common' for up to 1s
 7645 21:36:07.670350  Listened to connection for namespace 'common' for up to 1s
 7646 21:36:07.671878  Listened to connection for namespace 'common' for up to 1s
 7647 21:36:07.672230  Listened to connection for namespace 'common' for up to 1s
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 7660 21:36:07.685329  Listened to connection for namespace 'common' for up to 1s
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 7680 21:36:07.704430  Listened to connection for namespace 'common' for up to 1s
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 7685 21:36:07.708629  Listened to connection for namespace 'common' for up to 1s
 7686 21:36:07.709021  Listened to connection for namespace 'common' for up to 1s
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 8234 21:36:08.280023  Listened to connection for namespace 'common' for up to 1s
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 8236 21:36:08.281953  Listened to connection for namespace 'common' for up to 1s
 8237 21:36:08.282270  Listened to connection for namespace 'common' for up to 1s
 8238 21:36:08.284277  Listened to connection for namespace 'common' for up to 1s
 8239 21:36:08.284582  Listened to connection for namespace 'common' for up to 1s
 8240 21:36:08.285072  Listened to connection for namespace 'common' for up to 1s
 8241 21:36:08.285890  Listened to connection for namespace 'common' for up to 1s
 8242 21:36:08.286638  Listened to connection for namespace 'common' for up to 1s
 8243 21:36:08.287843  Listened to connection for namespace 'common' for up to 1s
 8244 21:36:08.288714  Listened to connection for namespace 'common' for up to 1s
 8245 21:36:08.290780  Listened to connection for namespace 'common' for up to 1s
 8246 21:36:08.295412  Listened to connection for namespace 'common' for up to 1s
 8247 21:36:08.297071  Listened to connection for namespace 'common' for up to 1s
 8248 21:36:08.298694  Listened to connection for namespace 'common' for up to 1s
 8249 21:36:08.299870  Listened to connection for namespace 'common' for up to 1s
 8250 21:36:08.300289  Listened to connection for namespace 'common' for up to 1s
 8251 21:36:08.300701  Listened to connection for namespace 'common' for up to 1s
 8252 21:36:08.301106  Listened to connection for namespace 'common' for up to 1s
 8253 21:36:08.303198  Listened to connection for namespace 'common' for up to 1s
 8254 21:36:08.304876  Listened to connection for namespace 'common' for up to 1s
 8255 21:36:08.305296  Listened to connection for namespace 'common' for up to 1s
 8256 21:36:08.306478  Listened to connection for namespace 'common' for up to 1s
 8257 21:36:08.307686  Listened to connection for namespace 'common' for up to 1s
 8258 21:36:08.309689  Listened to connection for namespace 'common' for up to 1s
 8259 21:36:08.310385  Listened to connection for namespace 'common' for up to 1s
 8260 21:36:08.312031  Listened to connection for namespace 'common' for up to 1s
 8261 21:36:08.312432  Listened to connection for namespace 'common' for up to 1s
 8262 21:36:08.313945  Listened to connection for namespace 'common' for up to 1s
 8263 21:36:08.314867  Listened to connection for namespace 'common' for up to 1s
 8264 21:36:08.315684  Listened to connection for namespace 'common' for up to 1s
 8265 21:36:08.316423  Listened to connection for namespace 'common' for up to 1s
 8266 21:36:08.316809  Listened to connection for namespace 'common' for up to 1s
 8267 21:36:08.318409  Listened to connection for namespace 'common' for up to 1s
 8268 21:36:08.318732  Listened to connection for namespace 'common' for up to 1s
 8269 21:36:08.319553  Listened to connection for namespace 'common' for up to 1s
 8270 21:36:08.320700  Listened to connection for namespace 'common' for up to 1s
 8271 21:36:08.321084  Listened to connection for namespace 'common' for up to 1s
 8272 21:36:08.323371  Listened to connection for namespace 'common' for up to 1s
 8273 21:36:08.325695  Listened to connection for namespace 'common' for up to 1s
 8274 21:36:08.326289  Listened to connection for namespace 'common' for up to 1s
 8275 21:36:08.327988  Listened to connection for namespace 'common' for up to 1s
 8276 21:36:08.328835  Listened to connection for namespace 'common' for up to 1s
 8277 21:36:08.330903  Listened to connection for namespace 'common' for up to 1s
 8278 21:36:08.331303  Listened to connection for namespace 'common' for up to 1s
 8279 21:36:08.332122  Listened to connection for namespace 'common' for up to 1s
 8280 21:36:08.332555  Listened to connection for namespace 'common' for up to 1s
 8281 21:36:08.334153  Listened to connection for namespace 'common' for up to 1s
 8282 21:36:08.334544  Listened to connection for namespace 'common' for up to 1s
 8283 21:36:08.334874  Listened to connection for namespace 'common' for up to 1s
 8284 21:36:08.335348  Listened to connection for namespace 'common' for up to 1s
 8285 21:36:08.335676  Listened to connection for namespace 'common' for up to 1s
 8286 21:36:08.336511  Listened to connection for namespace 'common' for up to 1s
 8287 21:36:08.337297  Listened to connection for namespace 'common' for up to 1s
 8288 21:36:08.339556  Listened to connection for namespace 'common' for up to 1s
 8289 21:36:08.340331  Listened to connection for namespace 'common' for up to 1s
 8290 21:36:08.341057  Listened to connection for namespace 'common' for up to 1s
 8291 21:36:08.341387  Listened to connection for namespace 'common' for up to 1s
 8292 21:36:08.342444  Listened to connection for namespace 'common' for up to 1s
 8293 21:36:08.343614  Listened to connection for namespace 'common' for up to 1s
 8294 21:36:08.344743  Listened to connection for namespace 'common' for up to 1s
 8295 21:36:08.345913  Listened to connection for namespace 'common' for up to 1s
 8296 21:36:08.347230  Listened to connection for namespace 'common' for up to 1s
 8297 21:36:08.350928  Listened to connection for namespace 'common' for up to 1s
 8298 21:36:08.351632  Listened to connection for namespace 'common' for up to 1s
 8299 21:36:08.351954  Listened to connection for namespace 'common' for up to 1s
 8300 21:36:08.353741  Listened to connection for namespace 'common' for up to 1s
 8301 21:36:08.354064  Listened to connection for namespace 'common' for up to 1s
 8302 21:36:08.354768  Listened to connection for namespace 'common' for up to 1s
 8303 21:36:08.355160  Listened to connection for namespace 'common' for up to 1s
 8304 21:36:08.355483  Listened to connection for namespace 'common' for up to 1s
 8305 21:36:08.356293  Listened to connection for namespace 'common' for up to 1s
 8306 21:36:08.356875  Listened to connection for namespace 'common' for up to 1s
 8307 21:36:08.357631  Listened to connection for namespace 'common' for up to 1s
 8308 21:36:08.358093  Listened to connection for namespace 'common' for up to 1s
 8309 21:36:08.358738  Listened to connection for namespace 'common' for up to 1s
 8310 21:36:08.359691  Listened to connection for namespace 'common' for up to 1s
 8311 21:36:08.360386  Listened to connection for namespace 'common' for up to 1s
 8312 21:36:08.361639  Listened to connection for namespace 'common' for up to 1s
 8313 21:36:08.362158  Listened to connection for namespace 'common' for up to 1s
 8314 21:36:08.362484  Listened to connection for namespace 'common' for up to 1s
 8315 21:36:08.364630  Listened to connection for namespace 'common' for up to 1s
 8316 21:36:08.365403  Listened to connection for namespace 'common' for up to 1s
 8317 21:36:08.365778  Listened to connection for namespace 'common' for up to 1s
 8318 21:36:08.366445  Listened to connection for namespace 'common' for up to 1s
 8319 21:36:08.367501  Listened to connection for namespace 'common' for up to 1s
 8320 21:36:08.367832  Listened to connection for namespace 'common' for up to 1s
 8321 21:36:08.368309  Listened to connection for namespace 'common' for up to 1s
 8322 21:36:08.369339  Listened to connection for namespace 'common' for up to 1s
 8323 21:36:08.370109  Listened to connection for namespace 'common' for up to 1s
 8324 21:36:08.370834  Listened to connection for namespace 'common' for up to 1s
 8325 21:36:08.371237  Listened to connection for namespace 'common' for up to 1s
 8326 21:36:08.372366  Listened to connection for namespace 'common' for up to 1s
 8327 21:36:08.372771  Listened to connection for namespace 'common' for up to 1s
 8328 21:36:08.373174  Listened to connection for namespace 'common' for up to 1s
 8329 21:36:08.374433  Listened to connection for namespace 'common' for up to 1s
 8330 21:36:08.374763  Listened to connection for namespace 'common' for up to 1s
 8331 21:36:08.390862  Listened to connection for namespace 'common' for up to 1s
 8332 21:36:08.391277  Listened to connection for namespace 'common' for up to 1s
 8333 21:36:08.487659  Finalising connection for namespace 'common'
 8334 21:36:08.487839  Disconnecting from shell: Finalise
 8335 21:36:08.487913  / # 
 8336 21:36:08.588427  end: 4.2 read-feedback (duration 00:00:01) [common]
 8337 21:36:08.588598  end: 4 finalize (duration 00:00:01) [common]
 8338 21:36:08.588714  Cleaning after the job
 8339 21:36:08.588813  Cleaning up download directory: /var/lib/lava/dispatcher/tmp/12965436/tftp-deploy-1i93gzu9/ramdisk
 8340 21:36:08.590379  Cleaning up download directory: /var/lib/lava/dispatcher/tmp/12965436/tftp-deploy-1i93gzu9/kernel
 8341 21:36:08.593109  Cleaning up download directory: /var/lib/lava/dispatcher/tmp/12965436/tftp-deploy-1i93gzu9/nfsrootfs
 8342 21:36:08.685372  Cleaning up download directory: /var/lib/lava/dispatcher/tmp/12965436/tftp-deploy-1i93gzu9/modules
 8343 21:36:08.688893  Override tmp directory removed at /var/lib/lava/dispatcher/tmp/12965436
 8344 21:36:09.305812  Root tmp directory removed at /var/lib/lava/dispatcher/tmp/12965436
 8345 21:36:09.305990  Job finished correctly