Boot log: asus-C433TA-AJ0005-rammus

    1 16:00:29.754344  lava-dispatcher, installed at version: 2023.03
    2 16:00:29.754556  start: 0 validate
    3 16:00:29.754682  Start time: 2023-05-30 16:00:29.754675+00:00 (UTC)
    4 16:00:29.754800  Using caching service: 'http://localhost/cache/?uri=%s'
    5 16:00:29.754931  Validating that http://localhost/cache/?uri=http%3A%2F%2Fstorage.kernelci.org%2Fimages%2Frootfs%2Fdebian%2Fbullseye-kselftest%2F20230527.0%2Famd64%2Finitrd.cpio.gz exists
    6 16:00:30.045850  Using caching service: 'http://localhost/cache/?uri=%s'
    7 16:00:30.046688  Validating that http://localhost/cache/?uri=http%3A%2F%2Fstorage.kernelci.org%2Fcip-gitlab%2Fci-iwamatsu-linux-5.10.y-cip-rc%2Fv5.10.180-cip34-213-g6582dd41d2c22%2Fx86_64%2Fx86_64_defconfig%2Bx86-chromebook%2Bkselftest%2Fgcc-10%2Fkernel%2FbzImage exists
    8 16:00:30.342654  Using caching service: 'http://localhost/cache/?uri=%s'
    9 16:00:30.343469  Validating that http://localhost/cache/?uri=http%3A%2F%2Fstorage.kernelci.org%2Fimages%2Frootfs%2Fdebian%2Fbullseye-kselftest%2F20230527.0%2Famd64%2Ffull.rootfs.tar.xz exists
   10 16:00:30.639389  Using caching service: 'http://localhost/cache/?uri=%s'
   11 16:00:30.640176  Validating that http://localhost/cache/?uri=http%3A%2F%2Fstorage.kernelci.org%2Fcip-gitlab%2Fci-iwamatsu-linux-5.10.y-cip-rc%2Fv5.10.180-cip34-213-g6582dd41d2c22%2Fx86_64%2Fx86_64_defconfig%2Bx86-chromebook%2Bkselftest%2Fgcc-10%2Fmodules.tar.xz exists
   12 16:00:30.935085  validate duration: 1.18
   14 16:00:30.936629  start: 1 tftp-deploy (timeout 00:10:00) [common]
   15 16:00:30.937228  start: 1.1 download-retry (timeout 00:10:00) [common]
   16 16:00:30.937920  start: 1.1.1 http-download (timeout 00:10:00) [common]
   17 16:00:30.938733  Not decompressing ramdisk as can be used compressed.
   18 16:00:30.939430  downloading http://storage.kernelci.org/images/rootfs/debian/bullseye-kselftest/20230527.0/amd64/initrd.cpio.gz
   19 16:00:30.939857  saving as /var/lib/lava/dispatcher/tmp/10527071/tftp-deploy-gzt7f09a/ramdisk/initrd.cpio.gz
   20 16:00:30.940218  total size: 5432291 (5MB)
   21 16:00:30.945553  progress   0% (0MB)
   22 16:00:30.955224  progress   5% (0MB)
   23 16:00:30.962059  progress  10% (0MB)
   24 16:00:30.966538  progress  15% (0MB)
   25 16:00:30.970513  progress  20% (1MB)
   26 16:00:30.973698  progress  25% (1MB)
   27 16:00:30.976362  progress  30% (1MB)
   28 16:00:30.979173  progress  35% (1MB)
   29 16:00:30.981416  progress  40% (2MB)
   30 16:00:30.983657  progress  45% (2MB)
   31 16:00:30.985606  progress  50% (2MB)
   32 16:00:30.987793  progress  55% (2MB)
   33 16:00:30.989619  progress  60% (3MB)
   34 16:00:30.991373  progress  65% (3MB)
   35 16:00:30.993311  progress  70% (3MB)
   36 16:00:30.994904  progress  75% (3MB)
   37 16:00:30.996476  progress  80% (4MB)
   38 16:00:30.998031  progress  85% (4MB)
   39 16:00:30.999751  progress  90% (4MB)
   40 16:00:31.001178  progress  95% (4MB)
   41 16:00:31.002615  progress 100% (5MB)
   42 16:00:31.002830  5MB downloaded in 0.06s (82.73MB/s)
   43 16:00:31.002987  end: 1.1.1 http-download (duration 00:00:00) [common]
   45 16:00:31.003234  end: 1.1 download-retry (duration 00:00:00) [common]
   46 16:00:31.003335  start: 1.2 download-retry (timeout 00:10:00) [common]
   47 16:00:31.003425  start: 1.2.1 http-download (timeout 00:10:00) [common]
   48 16:00:31.003575  downloading http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.180-cip34-213-g6582dd41d2c22/x86_64/x86_64_defconfig+x86-chromebook+kselftest/gcc-10/kernel/bzImage
   49 16:00:31.003652  saving as /var/lib/lava/dispatcher/tmp/10527071/tftp-deploy-gzt7f09a/kernel/bzImage
   50 16:00:31.003715  total size: 16408096 (15MB)
   51 16:00:31.003776  No compression specified
   52 16:00:31.004906  progress   0% (0MB)
   53 16:00:31.009164  progress   5% (0MB)
   54 16:00:31.013341  progress  10% (1MB)
   55 16:00:31.017584  progress  15% (2MB)
   56 16:00:31.021756  progress  20% (3MB)
   57 16:00:31.025934  progress  25% (3MB)
   58 16:00:31.030115  progress  30% (4MB)
   59 16:00:31.034286  progress  35% (5MB)
   60 16:00:31.038451  progress  40% (6MB)
   61 16:00:31.042590  progress  45% (7MB)
   62 16:00:31.046783  progress  50% (7MB)
   63 16:00:31.050939  progress  55% (8MB)
   64 16:00:31.055162  progress  60% (9MB)
   65 16:00:31.059439  progress  65% (10MB)
   66 16:00:31.063635  progress  70% (10MB)
   67 16:00:31.068139  progress  75% (11MB)
   68 16:00:31.072302  progress  80% (12MB)
   69 16:00:31.076447  progress  85% (13MB)
   70 16:00:31.080512  progress  90% (14MB)
   71 16:00:31.084661  progress  95% (14MB)
   72 16:00:31.088810  progress 100% (15MB)
   73 16:00:31.089011  15MB downloaded in 0.09s (183.46MB/s)
   74 16:00:31.089157  end: 1.2.1 http-download (duration 00:00:00) [common]
   76 16:00:31.089386  end: 1.2 download-retry (duration 00:00:00) [common]
   77 16:00:31.089473  start: 1.3 download-retry (timeout 00:10:00) [common]
   78 16:00:31.089559  start: 1.3.1 http-download (timeout 00:10:00) [common]
   79 16:00:31.089692  downloading http://storage.kernelci.org/images/rootfs/debian/bullseye-kselftest/20230527.0/amd64/full.rootfs.tar.xz
   80 16:00:31.089764  saving as /var/lib/lava/dispatcher/tmp/10527071/tftp-deploy-gzt7f09a/nfsrootfs/full.rootfs.tar
   81 16:00:31.089826  total size: 207183956 (197MB)
   82 16:00:31.089886  Using unxz to decompress xz
   83 16:00:31.093539  progress   0% (0MB)
   84 16:00:31.640461  progress   5% (9MB)
   85 16:00:32.164538  progress  10% (19MB)
   86 16:00:32.758014  progress  15% (29MB)
   87 16:00:33.115350  progress  20% (39MB)
   88 16:00:33.464590  progress  25% (49MB)
   89 16:00:34.051308  progress  30% (59MB)
   90 16:00:34.594761  progress  35% (69MB)
   91 16:00:35.193670  progress  40% (79MB)
   92 16:00:35.745900  progress  45% (88MB)
   93 16:00:36.318970  progress  50% (98MB)
   94 16:00:36.935497  progress  55% (108MB)
   95 16:00:37.605667  progress  60% (118MB)
   96 16:00:37.749156  progress  65% (128MB)
   97 16:00:37.890667  progress  70% (138MB)
   98 16:00:37.987563  progress  75% (148MB)
   99 16:00:38.054427  progress  80% (158MB)
  100 16:00:38.123357  progress  85% (167MB)
  101 16:00:38.227644  progress  90% (177MB)
  102 16:00:38.494212  progress  95% (187MB)
  103 16:00:39.075261  progress 100% (197MB)
  104 16:00:39.081170  197MB downloaded in 7.99s (24.73MB/s)
  105 16:00:39.081444  end: 1.3.1 http-download (duration 00:00:08) [common]
  107 16:00:39.081696  end: 1.3 download-retry (duration 00:00:08) [common]
  108 16:00:39.081787  start: 1.4 download-retry (timeout 00:09:52) [common]
  109 16:00:39.081874  start: 1.4.1 http-download (timeout 00:09:52) [common]
  110 16:00:39.082021  downloading http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.180-cip34-213-g6582dd41d2c22/x86_64/x86_64_defconfig+x86-chromebook+kselftest/gcc-10/modules.tar.xz
  111 16:00:39.082093  saving as /var/lib/lava/dispatcher/tmp/10527071/tftp-deploy-gzt7f09a/modules/modules.tar
  112 16:00:39.082153  total size: 3411028 (3MB)
  113 16:00:39.082215  Using unxz to decompress xz
  114 16:00:39.085914  progress   0% (0MB)
  115 16:00:39.091830  progress   5% (0MB)
  116 16:00:39.099970  progress  10% (0MB)
  117 16:00:39.109763  progress  15% (0MB)
  118 16:00:39.123013  progress  20% (0MB)
  119 16:00:39.133445  progress  25% (0MB)
  120 16:00:39.141251  progress  30% (1MB)
  121 16:00:39.151465  progress  35% (1MB)
  122 16:00:39.163300  progress  40% (1MB)
  123 16:00:39.173032  progress  45% (1MB)
  124 16:00:39.186308  progress  50% (1MB)
  125 16:00:39.195992  progress  55% (1MB)
  126 16:00:39.205498  progress  60% (1MB)
  127 16:00:39.215135  progress  65% (2MB)
  128 16:00:39.224738  progress  70% (2MB)
  129 16:00:39.236444  progress  75% (2MB)
  130 16:00:39.245976  progress  80% (2MB)
  131 16:00:39.255652  progress  85% (2MB)
  132 16:00:39.264977  progress  90% (2MB)
  133 16:00:39.274556  progress  95% (3MB)
  134 16:00:39.285643  progress 100% (3MB)
  135 16:00:39.290615  3MB downloaded in 0.21s (15.61MB/s)
  136 16:00:39.290878  end: 1.4.1 http-download (duration 00:00:00) [common]
  138 16:00:39.291130  end: 1.4 download-retry (duration 00:00:00) [common]
  139 16:00:39.291223  start: 1.5 prepare-tftp-overlay (timeout 00:09:52) [common]
  140 16:00:39.291357  start: 1.5.1 extract-nfsrootfs (timeout 00:09:52) [common]
  141 16:00:42.434665  Extracted nfsroot to /var/lib/lava/dispatcher/tmp/10527071/extract-nfsrootfs-91ay7doq
  142 16:00:42.434866  end: 1.5.1 extract-nfsrootfs (duration 00:00:03) [common]
  143 16:00:42.435007  start: 1.5.2 lava-overlay (timeout 00:09:49) [common]
  144 16:00:42.435228  [common] Preparing overlay tarball in /var/lib/lava/dispatcher/tmp/10527071/lava-overlay-jrka1gaw
  145 16:00:42.435745  makedir: /var/lib/lava/dispatcher/tmp/10527071/lava-overlay-jrka1gaw/lava-10527071/bin
  146 16:00:42.435884  makedir: /var/lib/lava/dispatcher/tmp/10527071/lava-overlay-jrka1gaw/lava-10527071/tests
  147 16:00:42.436027  makedir: /var/lib/lava/dispatcher/tmp/10527071/lava-overlay-jrka1gaw/lava-10527071/results
  148 16:00:42.436174  Creating /var/lib/lava/dispatcher/tmp/10527071/lava-overlay-jrka1gaw/lava-10527071/bin/lava-add-keys
  149 16:00:42.436374  Creating /var/lib/lava/dispatcher/tmp/10527071/lava-overlay-jrka1gaw/lava-10527071/bin/lava-add-sources
  150 16:00:42.436552  Creating /var/lib/lava/dispatcher/tmp/10527071/lava-overlay-jrka1gaw/lava-10527071/bin/lava-background-process-start
  151 16:00:42.436681  Creating /var/lib/lava/dispatcher/tmp/10527071/lava-overlay-jrka1gaw/lava-10527071/bin/lava-background-process-stop
  152 16:00:42.436802  Creating /var/lib/lava/dispatcher/tmp/10527071/lava-overlay-jrka1gaw/lava-10527071/bin/lava-common-functions
  153 16:00:42.436920  Creating /var/lib/lava/dispatcher/tmp/10527071/lava-overlay-jrka1gaw/lava-10527071/bin/lava-echo-ipv4
  154 16:00:42.437038  Creating /var/lib/lava/dispatcher/tmp/10527071/lava-overlay-jrka1gaw/lava-10527071/bin/lava-install-packages
  155 16:00:42.437260  Creating /var/lib/lava/dispatcher/tmp/10527071/lava-overlay-jrka1gaw/lava-10527071/bin/lava-installed-packages
  156 16:00:42.437376  Creating /var/lib/lava/dispatcher/tmp/10527071/lava-overlay-jrka1gaw/lava-10527071/bin/lava-os-build
  157 16:00:42.437491  Creating /var/lib/lava/dispatcher/tmp/10527071/lava-overlay-jrka1gaw/lava-10527071/bin/lava-probe-channel
  158 16:00:42.437608  Creating /var/lib/lava/dispatcher/tmp/10527071/lava-overlay-jrka1gaw/lava-10527071/bin/lava-probe-ip
  159 16:00:42.437724  Creating /var/lib/lava/dispatcher/tmp/10527071/lava-overlay-jrka1gaw/lava-10527071/bin/lava-target-ip
  160 16:00:42.437840  Creating /var/lib/lava/dispatcher/tmp/10527071/lava-overlay-jrka1gaw/lava-10527071/bin/lava-target-mac
  161 16:00:42.437961  Creating /var/lib/lava/dispatcher/tmp/10527071/lava-overlay-jrka1gaw/lava-10527071/bin/lava-target-storage
  162 16:00:42.438080  Creating /var/lib/lava/dispatcher/tmp/10527071/lava-overlay-jrka1gaw/lava-10527071/bin/lava-test-case
  163 16:00:42.438198  Creating /var/lib/lava/dispatcher/tmp/10527071/lava-overlay-jrka1gaw/lava-10527071/bin/lava-test-event
  164 16:00:42.438312  Creating /var/lib/lava/dispatcher/tmp/10527071/lava-overlay-jrka1gaw/lava-10527071/bin/lava-test-feedback
  165 16:00:42.438426  Creating /var/lib/lava/dispatcher/tmp/10527071/lava-overlay-jrka1gaw/lava-10527071/bin/lava-test-raise
  166 16:00:42.438557  Creating /var/lib/lava/dispatcher/tmp/10527071/lava-overlay-jrka1gaw/lava-10527071/bin/lava-test-reference
  167 16:00:42.438675  Creating /var/lib/lava/dispatcher/tmp/10527071/lava-overlay-jrka1gaw/lava-10527071/bin/lava-test-runner
  168 16:00:42.438790  Creating /var/lib/lava/dispatcher/tmp/10527071/lava-overlay-jrka1gaw/lava-10527071/bin/lava-test-set
  169 16:00:42.438908  Creating /var/lib/lava/dispatcher/tmp/10527071/lava-overlay-jrka1gaw/lava-10527071/bin/lava-test-shell
  170 16:00:42.439025  Updating /var/lib/lava/dispatcher/tmp/10527071/lava-overlay-jrka1gaw/lava-10527071/bin/lava-add-keys (debian)
  171 16:00:42.439262  Updating /var/lib/lava/dispatcher/tmp/10527071/lava-overlay-jrka1gaw/lava-10527071/bin/lava-add-sources (debian)
  172 16:00:42.439412  Updating /var/lib/lava/dispatcher/tmp/10527071/lava-overlay-jrka1gaw/lava-10527071/bin/lava-install-packages (debian)
  173 16:00:42.439542  Updating /var/lib/lava/dispatcher/tmp/10527071/lava-overlay-jrka1gaw/lava-10527071/bin/lava-installed-packages (debian)
  174 16:00:42.439670  Updating /var/lib/lava/dispatcher/tmp/10527071/lava-overlay-jrka1gaw/lava-10527071/bin/lava-os-build (debian)
  175 16:00:42.439782  Creating /var/lib/lava/dispatcher/tmp/10527071/lava-overlay-jrka1gaw/lava-10527071/environment
  176 16:00:42.439872  LAVA metadata
  177 16:00:42.439939  - LAVA_JOB_ID=10527071
  178 16:00:42.440000  - LAVA_DISPATCHER_IP=192.168.201.1
  179 16:00:42.440098  start: 1.5.2.1 lava-vland-overlay (timeout 00:09:48) [common]
  180 16:00:42.440162  skipped lava-vland-overlay
  181 16:00:42.440236  end: 1.5.2.1 lava-vland-overlay (duration 00:00:00) [common]
  182 16:00:42.440312  start: 1.5.2.2 lava-multinode-overlay (timeout 00:09:48) [common]
  183 16:00:42.440371  skipped lava-multinode-overlay
  184 16:00:42.440440  end: 1.5.2.2 lava-multinode-overlay (duration 00:00:00) [common]
  185 16:00:42.440528  start: 1.5.2.3 test-definition (timeout 00:09:48) [common]
  186 16:00:42.440598  Loading test definitions
  187 16:00:42.440685  start: 1.5.2.3.1 inline-repo-action (timeout 00:09:48) [common]
  188 16:00:42.440753  Using /lava-10527071 at stage 0
  189 16:00:42.441007  uuid=10527071_1.5.2.3.1 testdef=None
  190 16:00:42.441097  end: 1.5.2.3.1 inline-repo-action (duration 00:00:00) [common]
  191 16:00:42.441214  start: 1.5.2.3.2 test-overlay (timeout 00:09:48) [common]
  192 16:00:42.441647  end: 1.5.2.3.2 test-overlay (duration 00:00:00) [common]
  194 16:00:42.441863  start: 1.5.2.3.3 test-install-overlay (timeout 00:09:48) [common]
  195 16:00:42.442390  end: 1.5.2.3.3 test-install-overlay (duration 00:00:00) [common]
  197 16:00:42.442621  start: 1.5.2.3.4 test-runscript-overlay (timeout 00:09:48) [common]
  198 16:00:42.443198  runner path: /var/lib/lava/dispatcher/tmp/10527071/lava-overlay-jrka1gaw/lava-10527071/0/tests/0_timesync-off test_uuid 10527071_1.5.2.3.1
  199 16:00:42.443480  end: 1.5.2.3.4 test-runscript-overlay (duration 00:00:00) [common]
  201 16:00:42.443705  start: 1.5.2.3.5 git-repo-action (timeout 00:09:48) [common]
  202 16:00:42.443806  Using /lava-10527071 at stage 0
  203 16:00:42.443900  Fetching tests from https://github.com/kernelci/test-definitions.git
  204 16:00:42.443976  Running '/usr/bin/git clone https://github.com/kernelci/test-definitions.git /var/lib/lava/dispatcher/tmp/10527071/lava-overlay-jrka1gaw/lava-10527071/0/tests/1_kselftest-lkdtm'
  205 16:00:46.709116  Running '/usr/bin/git checkout kernelci.org
  206 16:00:46.853175  Tests stored (tmp) in /var/lib/lava/dispatcher/tmp/10527071/lava-overlay-jrka1gaw/lava-10527071/0/tests/1_kselftest-lkdtm/automated/linux/kselftest/kselftest.yaml
  207 16:00:46.853890  uuid=10527071_1.5.2.3.5 testdef=None
  208 16:00:46.854056  end: 1.5.2.3.5 git-repo-action (duration 00:00:04) [common]
  210 16:00:46.854332  start: 1.5.2.3.6 test-overlay (timeout 00:09:44) [common]
  211 16:00:46.855079  end: 1.5.2.3.6 test-overlay (duration 00:00:00) [common]
  213 16:00:46.855389  start: 1.5.2.3.7 test-install-overlay (timeout 00:09:44) [common]
  214 16:00:46.856347  end: 1.5.2.3.7 test-install-overlay (duration 00:00:00) [common]
  216 16:00:46.856613  start: 1.5.2.3.8 test-runscript-overlay (timeout 00:09:44) [common]
  217 16:00:46.857534  runner path: /var/lib/lava/dispatcher/tmp/10527071/lava-overlay-jrka1gaw/lava-10527071/0/tests/1_kselftest-lkdtm test_uuid 10527071_1.5.2.3.5
  218 16:00:46.857632  BOARD='asus-C433TA-AJ0005-rammus'
  219 16:00:46.857708  BRANCH='cip-gitlab'
  220 16:00:46.857787  SKIPFILE='/dev/null'
  221 16:00:46.857886  SKIP_INSTALL='True'
  222 16:00:46.857982  TESTPROG_URL='http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.180-cip34-213-g6582dd41d2c22/x86_64/x86_64_defconfig+x86-chromebook+kselftest/gcc-10/kselftest.tar.xz'
  223 16:00:46.858082  TST_CASENAME=''
  224 16:00:46.858177  TST_CMDFILES='lkdtm'
  225 16:00:46.858370  end: 1.5.2.3.8 test-runscript-overlay (duration 00:00:00) [common]
  227 16:00:46.858731  Creating lava-test-runner.conf files
  228 16:00:46.858834  Using lava-test-runner path: /var/lib/lava/dispatcher/tmp/10527071/lava-overlay-jrka1gaw/lava-10527071/0 for stage 0
  229 16:00:46.858969  - 0_timesync-off
  230 16:00:46.859077  - 1_kselftest-lkdtm
  231 16:00:46.859215  end: 1.5.2.3 test-definition (duration 00:00:04) [common]
  232 16:00:46.859371  start: 1.5.2.4 compress-overlay (timeout 00:09:44) [common]
  233 16:00:54.209635  end: 1.5.2.4 compress-overlay (duration 00:00:07) [common]
  234 16:00:54.209788  start: 1.5.2.5 persistent-nfs-overlay (timeout 00:09:37) [common]
  235 16:00:54.209882  end: 1.5.2.5 persistent-nfs-overlay (duration 00:00:00) [common]
  236 16:00:54.209988  end: 1.5.2 lava-overlay (duration 00:00:12) [common]
  237 16:00:54.210082  start: 1.5.3 extract-overlay-ramdisk (timeout 00:09:37) [common]
  238 16:00:54.340441  end: 1.5.3 extract-overlay-ramdisk (duration 00:00:00) [common]
  239 16:00:54.340783  start: 1.5.4 extract-modules (timeout 00:09:37) [common]
  240 16:00:54.340900  extracting modules file /var/lib/lava/dispatcher/tmp/10527071/tftp-deploy-gzt7f09a/modules/modules.tar to /var/lib/lava/dispatcher/tmp/10527071/extract-nfsrootfs-91ay7doq
  241 16:00:54.416823  extracting modules file /var/lib/lava/dispatcher/tmp/10527071/tftp-deploy-gzt7f09a/modules/modules.tar to /var/lib/lava/dispatcher/tmp/10527071/extract-overlay-ramdisk-30r6hhzv/ramdisk
  242 16:00:54.495406  end: 1.5.4 extract-modules (duration 00:00:00) [common]
  243 16:00:54.495569  start: 1.5.5 apply-overlay-tftp (timeout 00:09:36) [common]
  244 16:00:54.495657  [common] Applying overlay to NFS
  245 16:00:54.495727  [common] Applying overlay /var/lib/lava/dispatcher/tmp/10527071/compress-overlay-2jnk9siw/overlay-1.5.2.4.tar.gz to directory /var/lib/lava/dispatcher/tmp/10527071/extract-nfsrootfs-91ay7doq
  246 16:00:55.380781  end: 1.5.5 apply-overlay-tftp (duration 00:00:01) [common]
  247 16:00:55.380941  start: 1.5.6 configure-preseed-file (timeout 00:09:36) [common]
  248 16:00:55.381033  end: 1.5.6 configure-preseed-file (duration 00:00:00) [common]
  249 16:00:55.381125  start: 1.5.7 compress-ramdisk (timeout 00:09:36) [common]
  250 16:00:55.381214  Building ramdisk /var/lib/lava/dispatcher/tmp/10527071/extract-overlay-ramdisk-30r6hhzv/ramdisk.cpio containing /var/lib/lava/dispatcher/tmp/10527071/extract-overlay-ramdisk-30r6hhzv/ramdisk
  251 16:00:55.538640  >> 69033 blocks

  252 16:00:56.661084  rename /var/lib/lava/dispatcher/tmp/10527071/extract-overlay-ramdisk-30r6hhzv/ramdisk.cpio.gz to /var/lib/lava/dispatcher/tmp/10527071/tftp-deploy-gzt7f09a/ramdisk/ramdisk.cpio.gz
  253 16:00:56.661493  end: 1.5.7 compress-ramdisk (duration 00:00:01) [common]
  254 16:00:56.661607  start: 1.5.8 prepare-kernel (timeout 00:09:34) [common]
  255 16:00:56.661705  start: 1.5.8.1 prepare-fit (timeout 00:09:34) [common]
  256 16:00:56.661796  No mkimage arch provided, not using FIT.
  257 16:00:56.661882  end: 1.5.8.1 prepare-fit (duration 00:00:00) [common]
  258 16:00:56.661966  end: 1.5.8 prepare-kernel (duration 00:00:00) [common]
  259 16:00:56.662071  end: 1.5 prepare-tftp-overlay (duration 00:00:17) [common]
  260 16:00:56.662172  start: 1.6 lxc-create-udev-rule-action (timeout 00:09:34) [common]
  261 16:00:56.662251  No LXC device requested
  262 16:00:56.662334  end: 1.6 lxc-create-udev-rule-action (duration 00:00:00) [common]
  263 16:00:56.662422  start: 1.7 deploy-device-env (timeout 00:09:34) [common]
  264 16:00:56.662503  end: 1.7 deploy-device-env (duration 00:00:00) [common]
  265 16:00:56.662575  Checking files for TFTP limit of 4294967296 bytes.
  266 16:00:56.662972  end: 1 tftp-deploy (duration 00:00:26) [common]
  267 16:00:56.663075  start: 2 depthcharge-action (timeout 00:05:00) [common]
  268 16:00:56.663164  start: 2.1 depthcharge-overlay (timeout 00:05:00) [common]
  269 16:00:56.663324  substitutions:
  270 16:00:56.663394  - {DTB}: None
  271 16:00:56.663457  - {INITRD}: 10527071/tftp-deploy-gzt7f09a/ramdisk/ramdisk.cpio.gz
  272 16:00:56.663516  - {KERNEL}: 10527071/tftp-deploy-gzt7f09a/kernel/bzImage
  273 16:00:56.663574  - {LAVA_MAC}: None
  274 16:00:56.663630  - {NFSROOTFS}: /var/lib/lava/dispatcher/tmp/10527071/extract-nfsrootfs-91ay7doq
  275 16:00:56.663688  - {NFS_SERVER_IP}: 192.168.201.1
  276 16:00:56.663743  - {PRESEED_CONFIG}: None
  277 16:00:56.663798  - {PRESEED_LOCAL}: None
  278 16:00:56.663852  - {RAMDISK}: 10527071/tftp-deploy-gzt7f09a/ramdisk/ramdisk.cpio.gz
  279 16:00:56.663906  - {ROOT_PART}: None
  280 16:00:56.663960  - {ROOT}: None
  281 16:00:56.664013  - {SERVER_IP}: 192.168.201.1
  282 16:00:56.664067  - {TEE}: None
  283 16:00:56.664121  Parsed boot commands:
  284 16:00:56.664173  - tftpboot 192.168.201.1 {DEPTHCHARGE_KERNEL} {CMDLINE} {DEPTHCHARGE_RAMDISK}
  285 16:00:56.664341  Parsed boot commands: tftpboot 192.168.201.1 10527071/tftp-deploy-gzt7f09a/kernel/bzImage 10527071/tftp-deploy-gzt7f09a/kernel/cmdline 10527071/tftp-deploy-gzt7f09a/ramdisk/ramdisk.cpio.gz
  286 16:00:56.664429  end: 2.1 depthcharge-overlay (duration 00:00:00) [common]
  287 16:00:56.664510  start: 2.2 depthcharge-retry (timeout 00:05:00) [common]
  288 16:00:56.664598  start: 2.2.1 reset-connection (timeout 00:05:00) [common]
  289 16:00:56.664686  start: 2.2.1.1 disconnect-device (timeout 00:05:00) [common]
  290 16:00:56.664755  Not connected, no need to disconnect.
  291 16:00:56.664827  end: 2.2.1.1 disconnect-device (duration 00:00:00) [common]
  292 16:00:56.664905  start: 2.2.1.2 connect-device (timeout 00:05:00) [common]
  293 16:00:56.664974  [common] connect-device Connecting to device using '/usr/bin/console -k -f -M localhost asus-C433TA-AJ0005-rammus-cbg-3'
  294 16:00:56.668396  Setting prompt string to ['lava-test: # ']
  295 16:00:56.668708  end: 2.2.1.2 connect-device (duration 00:00:00) [common]
  296 16:00:56.668809  end: 2.2.1 reset-connection (duration 00:00:00) [common]
  297 16:00:56.668901  start: 2.2.2 reset-device (timeout 00:05:00) [common]
  298 16:00:56.668991  start: 2.2.2.1 pdu-reboot (timeout 00:05:00) [common]
  299 16:00:56.669179  Calling: 'pduclient' '--daemon=localhost' '--hostname=asus-C433TA-AJ0005-rammus-cbg-3' '--port=1' '--command=reboot'
  300 16:01:01.821069  >> Command sent successfully.

  301 16:01:01.831314  Returned 0 in 5 seconds
  302 16:01:01.932513  end: 2.2.2.1 pdu-reboot (duration 00:00:05) [common]
  304 16:01:01.934024  end: 2.2.2 reset-device (duration 00:00:05) [common]
  305 16:01:01.934579  start: 2.2.3 depthcharge-start (timeout 00:04:55) [common]
  306 16:01:01.935148  Setting prompt string to 'Starting depthcharge on rammus...'
  307 16:01:01.935621  Changing prompt to 'Starting depthcharge on rammus...'
  308 16:01:01.936028  depthcharge-start: Wait for prompt Starting depthcharge on rammus... (timeout 00:05:00)
  309 16:01:01.937285  [Enter `^Ec?' for help]

  310 16:01:02.496620  

  311 16:01:02.497373  

  312 16:01:02.497930  coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep  4 02:38:51 UTC 2020 bootblock starting...

  313 16:01:02.498719  CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz

  314 16:01:02.499130  CPU: ID 806e9, Kabylake H0, ucode: 00000097

  315 16:01:02.499564  CPU: AES supported, TXT NOT supported, VT supported

  316 16:01:02.499915  MCH: device id 590c (rev 02) is Kabylake-Y

  317 16:01:02.500249  PCH: device id 9d4b (rev 21) is Kabylake-Y iHDCP 2.2 Premium

  318 16:01:02.500572  IGD: device id 591c (rev 02) is Amberlake ULX GT2

  319 16:01:02.500729  VBOOT: Loading verstage.

  320 16:01:02.500797  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

  321 16:01:02.572739  CBFS: Locating 'fallback/verstage'

  322 16:01:02.573331  CBFS: Found @ offset 1a0a80 size f47c

  323 16:01:02.573712  

  324 16:01:02.574067  

  325 16:01:02.574716  coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep  4 02:38:51 UTC 2020 verstage starting...

  326 16:01:02.575798  Probing TPM: .Timeout wait for TPM IRQ!

  327 16:01:02.579479  .Timeout wait for TPM IRQ!

  328 16:01:02.592350  . done!

  329 16:01:02.596265  TPM ready after 0 ms

  330 16:01:02.599356  Connected to device vid:did:rid of 1ae0:0028:00

  331 16:01:02.609424  Firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_A:0.5.6/cr50_v1.9308_87_mp.510-d2da4373

  332 16:01:02.612648  Initialized TPM device CR50 revision 0

  333 16:01:02.659739  tlcl_send_startup: Startup return code is 0

  334 16:01:02.660327  TPM: setup succeeded

  335 16:01:02.672730  src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x1007 return code 0

  336 16:01:02.675702  Chrome EC: UHEPI supported

  337 16:01:02.679341  Phase 1

  338 16:01:02.682524  FMAP: Found "FLASH" version 1.1 at c10000.

  339 16:01:02.689634  FMAP: base = ff000000 size = 1000000 #areas = 33

  340 16:01:02.693129  FMAP: area GBB found @ c11000 (978944 bytes)

  341 16:01:02.699859  VB2:vb2_check_recovery() Recovery reason from previous boot: 0x0 / 0x0

  342 16:01:02.700339  Phase 2

  343 16:01:02.703008  Phase 3

  344 16:01:02.706500  FMAP: area GBB found @ c11000 (978944 bytes)

  345 16:01:02.712541  VB2:vb2_report_dev_firmware() This is developer signed firmware

  346 16:01:02.719730  FMAP: area VBLOCK_B found @ 5e8000 (65536 bytes)

  347 16:01:02.722798  FMAP: area VBLOCK_B found @ 5e8000 (65536 bytes)

  348 16:01:02.729546  VB2:vb2_verify_keyblock() Checking key block signature...

  349 16:01:02.749751  FMAP: area VBLOCK_B found @ 5e8000 (65536 bytes)

  350 16:01:02.753220  FMAP: area VBLOCK_B found @ 5e8000 (65536 bytes)

  351 16:01:02.759600  VB2:vb2_verify_fw_preamble() Verifying preamble.

  352 16:01:02.765812  Phase 4

  353 16:01:02.769068  FMAP: area FW_MAIN_B found @ 5f8000 (4030400 bytes)

  354 16:01:02.776381  VB2:vb2api_init_hash() HW crypto for hash_alg 2 not supported, using SW

  355 16:01:03.034950  VB2:vb2_rsa_verify_digest() Digest check failed!

  356 16:01:03.038182  VB2:vb2_fail() Need recovery, reason: 0x1b / 0x7

  357 16:01:03.041621  Saving nvdata

  358 16:01:03.045171  Reboot requested (10020007)

  359 16:01:03.047939  board_reset() called!

  360 16:01:03.048371  full_reset() called!

  361 16:01:07.471069  

  362 16:01:07.471669  

  363 16:01:07.477359  coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep  4 02:38:51 UTC 2020 bootblock starting...

  364 16:01:07.484243  CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz

  365 16:01:07.487735  CPU: ID 806e9, Kabylake H0, ucode: 00000097

  366 16:01:07.494342  CPU: AES supported, TXT NOT supported, VT supported

  367 16:01:07.498032  MCH: device id 590c (rev 02) is Kabylake-Y

  368 16:01:07.503842  PCH: device id 9d4b (rev 21) is Kabylake-Y iHDCP 2.2 Premium

  369 16:01:07.507126  IGD: device id 591c (rev 02) is Amberlake ULX GT2

  370 16:01:07.510503  VBOOT: Loading verstage.

  371 16:01:07.517366  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

  372 16:01:07.520481  CBFS: Locating 'fallback/verstage'

  373 16:01:07.523952  CBFS: Found @ offset 1a0a80 size f47c

  374 16:01:07.537585  

  375 16:01:07.538160  

  376 16:01:07.544152  coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep  4 02:38:51 UTC 2020 verstage starting...

  377 16:01:07.560460  Probing TPM: . done!

  378 16:01:07.563807  TPM ready after 0 ms

  379 16:01:07.566892  Connected to device vid:did:rid of 1ae0:0028:00

  380 16:01:07.576953  Firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_A:0.5.6/cr50_v1.9308_87_mp.510-d2da4373

  381 16:01:07.580357  Initialized TPM device CR50 revision 0

  382 16:01:07.627026  tlcl_send_startup: Startup return code is 0

  383 16:01:07.627655  TPM: setup succeeded

  384 16:01:07.640290  src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x1007 return code 0

  385 16:01:07.643761  Chrome EC: UHEPI supported

  386 16:01:07.647302  Phase 1

  387 16:01:07.650938  FMAP: Found "FLASH" version 1.1 at c10000.

  388 16:01:07.657040  FMAP: base = ff000000 size = 1000000 #areas = 33

  389 16:01:07.660298  FMAP: area GBB found @ c11000 (978944 bytes)

  390 16:01:07.667119  VB2:vb2_check_recovery() Recovery reason from previous boot: 0x1b / 0x7

  391 16:01:07.673951  VB2:vb2_check_recovery() We have a recovery request: 0x1b / 0x0

  392 16:01:07.676979  Recovery requested (1009000e)

  393 16:01:07.677456  Saving nvdata

  394 16:01:07.688028  tlcl_extend: response is 0

  395 16:01:07.696836  tlcl_extend: response is 0

  396 16:01:07.702941  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

  397 16:01:07.707247  CBFS: Locating 'fallback/romstage'

  398 16:01:07.709694  CBFS: Found @ offset 80 size 10ffc

  399 16:01:07.713767  

  400 16:01:07.714242  

  401 16:01:07.720324  coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep  4 02:38:51 UTC 2020 romstage starting...

  402 16:01:07.727502  pm1_sts: 0100 pm1_en: 0000 pm1_cnt: 00001c00

  403 16:01:07.730920  gpe0_sts[0]: 00000000 gpe0_en[0]: 00000000

  404 16:01:07.734484  gpe0_sts[1]: 00000000 gpe0_en[1]: 00000000

  405 16:01:07.741908  gpe0_sts[2]: 00000001 gpe0_en[2]: 00000000

  406 16:01:07.744310  gpe0_sts[3]: 00000000 gpe0_en[3]: 00010000

  407 16:01:07.747791  TCO_STS:   0000 0000

  408 16:01:07.750415  GEN_PMCON: e0040200 0000523a

  409 16:01:07.753843  GBLRST_CAUSE: 00000000 00000000

  410 16:01:07.754431  prev_sleep_state 5

  411 16:01:07.757048  Boot Count incremented to 42948

  412 16:01:07.763729  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

  413 16:01:07.767015  CBFS: Locating 'fspm.bin'

  414 16:01:07.770246  CBFS: Found @ offset 103fc0 size 63000

  415 16:01:07.774008  Chrome EC: UHEPI supported

  416 16:01:07.781512  FMAP: Found "FLASH" version 1.1 at c10000.

  417 16:01:07.784760  FMAP: base = ff000000 size = 1000000 #areas = 33

  418 16:01:07.791505  FMAP: area RECOVERY_MRC_CACHE found @ 9d0000 (65536 bytes)

  419 16:01:07.795699  Probing TPM:  done!

  420 16:01:07.802538  Connected to device vid:did:rid of 1ae0:0028:00

  421 16:01:07.812101  Firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_A:0.5.6/cr50_v1.9308_87_mp.510-d2da4373

  422 16:01:07.818775  Initialized TPM device CR50 revision 0

  423 16:01:07.828094  src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0

  424 16:01:07.834916  MRC: Hash comparison successful. Using data from RECOVERY_MRC_CACHE

  425 16:01:07.838591  MRC cache found, size 1868

  426 16:01:07.841947  bootmode is set to :2

  427 16:01:07.842523  SPD index 1

  428 16:01:07.848404  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

  429 16:01:07.851584  CBFS: Locating 'spd.bin'

  430 16:01:07.855140  CBFS: Found @ offset 1a0240 size 800

  431 16:01:07.857991  SPD: module type is LPDDR3

  432 16:01:07.861308  SPD: module part is K4E8E324EB-EGCF   

  433 16:01:07.868117  SPD: banks 8, ranks 1, rows 15, columns 10, density 8192 Mb

  434 16:01:07.871745  SPD: device width 32 bits, bus width 64 bits

  435 16:01:07.877904  SPD: module size is 2048 MB (per channel)

  436 16:01:07.988518  CBMEM:

  437 16:01:07.992007  IMD: root @ 7afff000 254 entries.

  438 16:01:07.994636  IMD: root @ 7affec00 62 entries.

  439 16:01:07.998357  External stage cache:

  440 16:01:08.001365  IMD: root @ 7b3ff000 254 entries.

  441 16:01:08.004800  IMD: root @ 7b3fec00 62 entries.

  442 16:01:08.008432  creating vboot_handoff structure

  443 16:01:08.014823  Chrome EC: clear events_b mask to 0x0000000021004000

  444 16:01:08.029958  src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0

  445 16:01:08.044366  tlcl_write: response is 0

  446 16:01:08.053067  src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0

  447 16:01:08.059379  MRC: TPM MRC hash updated successfully.

  448 16:01:08.059944  2 DIMMs found

  449 16:01:08.062622  top_of_ram = 0x7b000000

  450 16:01:08.069205  MTRR Range: Start=7a000000 End=7b000000 (Size 1000000)

  451 16:01:08.072394  MTRR Range: Start=7b000000 End=7b800000 (Size 800000)

  452 16:01:08.079186  MTRR Range: Start=ff000000 End=0 (Size 1000000)

  453 16:01:08.083111  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

  454 16:01:08.085542  CBFS: Locating 'fallback/postcar'

  455 16:01:08.092532  CBFS: Found @ offset 197000 size 3f04

  456 16:01:08.098722  Decompressing stage fallback/postcar @ 0x7abd0fc0 (32720 bytes)

  457 16:01:08.108685  Loading module at 7abd1000 with entry 7abd1000. filesize: 0x3cd0 memsize: 0x7f90

  458 16:01:08.111850  Processing 118 relocs. Offset value of 0x78bd1000

  459 16:01:08.117872  

  460 16:01:08.118450  

  461 16:01:08.124554  coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep  4 02:38:51 UTC 2020 postcar starting...

  462 16:01:08.131052  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

  463 16:01:08.134458  CBFS: Locating 'fallback/ramstage'

  464 16:01:08.141440  CBFS: Found @ offset e8d80 size 1a462

  465 16:01:08.144318  Decompressing stage fallback/ramstage @ 0x7ab05fc0 (826808 bytes)

  466 16:01:08.183854  Loading module at 7ab06000 with entry 7ab06000. filesize: 0x38d90 memsize: 0xc9d78

  467 16:01:08.187347  Processing 3657 relocs. Offset value of 0x79d06000

  468 16:01:08.190081  

  469 16:01:08.190555  

  470 16:01:08.196907  coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep  4 02:38:51 UTC 2020 ramstage starting...

  471 16:01:08.203376  FMAP: Found "FLASH" version 1.1 at c10000.

  472 16:01:08.207293  FMAP: base = ff000000 size = 1000000 #areas = 33

  473 16:01:08.213475  FMAP: area RO_VPD found @ c00000 (16384 bytes)

  474 16:01:08.216772  WARNING: RO_VPD is uninitialized or empty.

  475 16:01:08.219725  FMAP: area RW_VPD found @ 9f8000 (8192 bytes)

  476 16:01:08.226452  FMAP: area RW_VPD found @ 9f8000 (8192 bytes)

  477 16:01:08.226952  Normal boot.

  478 16:01:08.232864  BS: BS_PRE_DEVICE times (us): entry 0 run 30 exit 0

  479 16:01:08.239556  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

  480 16:01:08.243175  CBFS: Locating 'cpu_microcode_blob.bin'

  481 16:01:08.246531  CBFS: Found @ offset 11100 size d7c00

  482 16:01:08.250032  microcode: sig=0x806e9 pf=0x10 revision=0x97

  483 16:01:08.253089  Skip microcode update

  484 16:01:08.260010  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

  485 16:01:08.262930  CBFS: Locating 'fsps.bin'

  486 16:01:08.266136  CBFS: Found @ offset 167fc0 size 2f000

  487 16:01:08.291724  Detected 2 core, 4 thread CPU.

  488 16:01:08.295044  Setting up SMI for CPU

  489 16:01:08.298197  IED base = 0x7b400000

  490 16:01:08.298783  IED size = 0x00400000

  491 16:01:08.301445  Will perform SMM setup.

  492 16:01:08.308165  CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz.

  493 16:01:08.314582  Loading module at 00030000 with entry 00030000. filesize: 0x170 memsize: 0x170

  494 16:01:08.317878  Processing 16 relocs. Offset value of 0x00030000

  495 16:01:08.321981  Attempting to start 3 APs

  496 16:01:08.325012  Waiting for 10ms after sending INIT.

  497 16:01:08.341494  Waiting for 1st SIPI to complete...done.

  498 16:01:08.342071  AP: slot 2 apic_id 2.

  499 16:01:08.345012  AP: slot 3 apic_id 3.

  500 16:01:08.348462  Waiting for 2nd SIPI to complete...done.

  501 16:01:08.351484  AP: slot 1 apic_id 1.

  502 16:01:08.357843  Loading module at 00038000 with entry 00038000. filesize: 0x1a8 memsize: 0x1a8

  503 16:01:08.364591  Processing 13 relocs. Offset value of 0x00038000

  504 16:01:08.371372  SMM Module: stub loaded at 00038000. Will call 7ab21603(00000000)

  505 16:01:08.374458  Installing SMM handler to 0x7b000000

  506 16:01:08.381398  Loading module at 7b010000 with entry 7b010a19. filesize: 0x3b08 memsize: 0x8bc0

  507 16:01:08.387797  Processing 243 relocs. Offset value of 0x7b010000

  508 16:01:08.394429  Loading module at 7b008000 with entry 7b008000. filesize: 0x1a8 memsize: 0x1a8

  509 16:01:08.400971  Processing 13 relocs. Offset value of 0x7b008000

  510 16:01:08.404870  SMM Module: placing jmp sequence at 7b007c00 rel16 0x03fd

  511 16:01:08.410823  SMM Module: placing jmp sequence at 7b007800 rel16 0x07fd

  512 16:01:08.417505  SMM Module: placing jmp sequence at 7b007400 rel16 0x0bfd

  513 16:01:08.424149  SMM Module: stub loaded at 7b008000. Will call 7b010a19(00000000)

  514 16:01:08.427072  Clearing SMI status registers

  515 16:01:08.427759  SMI_STS: PM1 

  516 16:01:08.430370  PM1_STS: PWRBTN 

  517 16:01:08.433611  TCO_STS: BOOT SECOND_TO 

  518 16:01:08.434085  New SMBASE 0x7b000000

  519 16:01:08.437122  In relocation handler: CPU 0

  520 16:01:08.443723  New SMBASE=0x7b000000 IEDBASE=0x7b400000

  521 16:01:08.447969  Writing SMRR. base = 0x7b000006, mask=0xff800800

  522 16:01:08.450869  Relocation complete.

  523 16:01:08.451510  New SMBASE 0x7afffc00

  524 16:01:08.453771  In relocation handler: CPU 1

  525 16:01:08.457226  New SMBASE=0x7afffc00 IEDBASE=0x7b400000

  526 16:01:08.463721  Writing SMRR. base = 0x7b000006, mask=0xff800800

  527 16:01:08.466641  Relocation complete.

  528 16:01:08.467105  New SMBASE 0x7afff400

  529 16:01:08.470162  In relocation handler: CPU 3

  530 16:01:08.473163  New SMBASE=0x7afff400 IEDBASE=0x7b400000

  531 16:01:08.480530  Writing SMRR. base = 0x7b000006, mask=0xff800800

  532 16:01:08.483025  Relocation complete.

  533 16:01:08.483530  New SMBASE 0x7afff800

  534 16:01:08.486972  In relocation handler: CPU 2

  535 16:01:08.490387  New SMBASE=0x7afff800 IEDBASE=0x7b400000

  536 16:01:08.496420  Writing SMRR. base = 0x7b000006, mask=0xff800800

  537 16:01:08.499764  Relocation complete.

  538 16:01:08.500345  Initializing CPU #0

  539 16:01:08.503116  CPU: vendor Intel device 806e9

  540 16:01:08.506429  CPU: family 06, model 8e, stepping 09

  541 16:01:08.513079  Setting up local APIC... apic_id: 0x00 done.

  542 16:01:08.516421  Turbo is available but hidden

  543 16:01:08.517002  Turbo has been enabled

  544 16:01:08.519661  SGX : param.enable = 0

  545 16:01:08.522807  Skip microcode update

  546 16:01:08.523322  CPU #0 initialized

  547 16:01:08.525922  Initializing CPU #1

  548 16:01:08.529513  Initializing CPU #3

  549 16:01:08.530106  Initializing CPU #2

  550 16:01:08.532804  CPU: vendor Intel device 806e9

  551 16:01:08.536250  CPU: family 06, model 8e, stepping 09

  552 16:01:08.539399  CPU: vendor Intel device 806e9

  553 16:01:08.542630  CPU: family 06, model 8e, stepping 09

  554 16:01:08.549546  Setting up local APIC...CPU: vendor Intel device 806e9

  555 16:01:08.553048  CPU: family 06, model 8e, stepping 09

  556 16:01:08.556007   apic_id: 0x03 done.

  557 16:01:08.562943  Setting up local APIC...Setting up local APIC...Skip microcode update

  558 16:01:08.563556   apic_id: 0x02 done.

  559 16:01:08.566032  CPU #3 initialized

  560 16:01:08.569513  Skip microcode update

  561 16:01:08.570089   apic_id: 0x01 done.

  562 16:01:08.572581  CPU #2 initialized

  563 16:01:08.576199  Skip microcode update

  564 16:01:08.576770  CPU #1 initialized

  565 16:01:08.582725  bsp_do_flight_plan done after 228 msecs.

  566 16:01:08.583210  CPU: frequency set to 3400 MHz

  567 16:01:08.586246  Enabling SMIs.

  568 16:01:08.586826  Locking SMM.

  569 16:01:08.589051  VMX : param.enable = 1

  570 16:01:08.592415  VMX status: enabled, unlocked

  571 16:01:08.595814  SGX: pre-conditions not met

  572 16:01:08.599009  VMX status: enabled, unlocked

  573 16:01:08.602276  SGX: pre-conditions not met

  574 16:01:08.605572  VMX status: enabled, unlocked

  575 16:01:08.606166  VMX status: enabled, unlocked

  576 16:01:08.608801  SGX: pre-conditions not met

  577 16:01:08.611967  SGX: pre-conditions not met

  578 16:01:08.618796  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

  579 16:01:08.622022  CBFS: Locating 'vbt.bin'

  580 16:01:08.624813  CBFS: Found @ offset 103a00 size 48e

  581 16:01:08.628257  Found a VBT of 4608 bytes after decompression

  582 16:01:08.633132  psys_pmax = 360

  583 16:01:08.636716  FMAP: area GBB found @ c11000 (978944 bytes)

  584 16:01:08.753917  ITSS IRQ Polarities Before:

  585 16:01:08.756963  IPC0: 0x00ff4000

  586 16:01:08.757091  IPC1: 0x00000007

  587 16:01:08.759949  IPC2: 0x00000000

  588 16:01:08.760034  IPC3: 0x00000000

  589 16:01:08.763449  ITSS IRQ Polarities After:

  590 16:01:08.766818  IPC0: 0x00ff4000

  591 16:01:08.766903  IPC1: 0x00000007

  592 16:01:08.770354  IPC2: 0x00000000

  593 16:01:08.770440  IPC3: 0x00000000

  594 16:01:08.776501  Override DT after FSP-S, PCH is KBL/SKL PCH-LP SKU

  595 16:01:08.783277  BS: BS_DEV_INIT_CHIPS times (us): entry 376045 run 171099 exit 0

  596 16:01:08.787177  Enumerating buses...

  597 16:01:08.790369  Show all devs... Before device enumeration.

  598 16:01:08.793386  Root Device: enabled 1

  599 16:01:08.793470  CPU_CLUSTER: 0: enabled 1

  600 16:01:08.796744  DOMAIN: 0000: enabled 1

  601 16:01:08.799743  APIC: 00: enabled 1

  602 16:01:08.802976  PCI: 00:00.0: enabled 1

  603 16:01:08.803061  PCI: 00:02.0: enabled 1

  604 16:01:08.806798  PCI: 00:14.0: enabled 1

  605 16:01:08.809810  PCI: 00:14.1: enabled 0

  606 16:01:08.813048  PCI: 00:14.2: enabled 1

  607 16:01:08.813132  PCI: 00:15.0: enabled 1

  608 16:01:08.817097  PCI: 00:15.1: enabled 1

  609 16:01:08.819763  PCI: 00:15.2: enabled 0

  610 16:01:08.819847  PCI: 00:15.3: enabled 0

  611 16:01:08.823226  PCI: 00:16.0: enabled 1

  612 16:01:08.826020  PCI: 00:16.1: enabled 0

  613 16:01:08.829285  PCI: 00:16.2: enabled 0

  614 16:01:08.829369  PCI: 00:16.3: enabled 0

  615 16:01:08.832928  PCI: 00:16.4: enabled 0

  616 16:01:08.836289  PCI: 00:17.0: enabled 0

  617 16:01:08.839720  PCI: 00:19.0: enabled 1

  618 16:01:08.839803  PCI: 00:19.1: enabled 1

  619 16:01:08.842971  PCI: 00:19.2: enabled 0

  620 16:01:08.846217  PCI: 00:1c.0: enabled 1

  621 16:01:08.849347  PCI: 00:1c.1: enabled 0

  622 16:01:08.849677  PCI: 00:1c.2: enabled 0

  623 16:01:08.853115  PCI: 00:1c.3: enabled 0

  624 16:01:08.856650  PCI: 00:1c.4: enabled 0

  625 16:01:08.857014  PCI: 00:1c.5: enabled 0

  626 16:01:08.859364  PCI: 00:1c.6: enabled 0

  627 16:01:08.862987  PCI: 00:1c.7: enabled 0

  628 16:01:08.866215  PCI: 00:1d.0: enabled 0

  629 16:01:08.866469  PCI: 00:1d.1: enabled 0

  630 16:01:08.869274  PCI: 00:1d.2: enabled 0

  631 16:01:08.872948  PCI: 00:1d.3: enabled 0

  632 16:01:08.876097  PCI: 00:1e.0: enabled 1

  633 16:01:08.876391  PCI: 00:1e.1: enabled 0

  634 16:01:08.879062  PCI: 00:1e.2: enabled 1

  635 16:01:08.882614  PCI: 00:1e.3: enabled 0

  636 16:01:08.885914  PCI: 00:1e.4: enabled 1

  637 16:01:08.886239  PCI: 00:1e.5: enabled 0

  638 16:01:08.889316  PCI: 00:1e.6: enabled 1

  639 16:01:08.892692  PCI: 00:1f.0: enabled 1

  640 16:01:08.895995  PCI: 00:1f.1: enabled 1

  641 16:01:08.896472  PCI: 00:1f.2: enabled 1

  642 16:01:08.899383  PCI: 00:1f.3: enabled 1

  643 16:01:08.902995  PCI: 00:1f.4: enabled 1

  644 16:01:08.903624  PCI: 00:1f.5: enabled 1

  645 16:01:08.906022  PCI: 00:1f.6: enabled 0

  646 16:01:08.909372  USB0 port 0: enabled 1

  647 16:01:08.912520  I2C: 00:5c: enabled 1

  648 16:01:08.912998  I2C: 00:15: enabled 1

  649 16:01:08.915634  I2C: 00:39: enabled 1

  650 16:01:08.919704  I2C: 00:3a: enabled 1

  651 16:01:08.920283  I2C: 00:1a: enabled 1

  652 16:01:08.922372  PCI: 00:00.0: enabled 1

  653 16:01:08.926600  SPI: 00: enabled 1

  654 16:01:08.927180  PNP: 0c09.0: enabled 1

  655 16:01:08.929967  USB2 port 0: enabled 1

  656 16:01:08.932438  USB2 port 1: enabled 1

  657 16:01:08.933017  USB2 port 2: enabled 1

  658 16:01:08.935633  USB2 port 4: enabled 1

  659 16:01:08.939420  USB2 port 8: enabled 1

  660 16:01:08.939991  APIC: 01: enabled 1

  661 16:01:08.942370  APIC: 02: enabled 1

  662 16:01:08.945745  APIC: 03: enabled 1

  663 16:01:08.946324  Compare with tree...

  664 16:01:08.949020  Root Device: enabled 1

  665 16:01:08.952414   CPU_CLUSTER: 0: enabled 1

  666 16:01:08.955739    APIC: 00: enabled 1

  667 16:01:08.956318    APIC: 01: enabled 1

  668 16:01:08.959021    APIC: 02: enabled 1

  669 16:01:08.963443    APIC: 03: enabled 1

  670 16:01:08.964019   DOMAIN: 0000: enabled 1

  671 16:01:08.965766    PCI: 00:00.0: enabled 1

  672 16:01:08.968603    PCI: 00:02.0: enabled 1

  673 16:01:08.971863    PCI: 00:14.0: enabled 1

  674 16:01:08.975236     USB0 port 0: enabled 1

  675 16:01:08.975771      USB2 port 0: enabled 1

  676 16:01:08.978689      USB2 port 1: enabled 1

  677 16:01:08.981866      USB2 port 2: enabled 1

  678 16:01:08.985189      USB2 port 4: enabled 1

  679 16:01:08.988498      USB2 port 8: enabled 1

  680 16:01:08.988979    PCI: 00:14.1: enabled 0

  681 16:01:08.991776    PCI: 00:14.2: enabled 1

  682 16:01:08.995523    PCI: 00:15.0: enabled 1

  683 16:01:08.998853     I2C: 00:5c: enabled 1

  684 16:01:09.001688    PCI: 00:15.1: enabled 1

  685 16:01:09.002164     I2C: 00:15: enabled 1

  686 16:01:09.005569    PCI: 00:15.2: enabled 0

  687 16:01:09.009394    PCI: 00:15.3: enabled 0

  688 16:01:09.011722    PCI: 00:16.0: enabled 1

  689 16:01:09.015195    PCI: 00:16.1: enabled 0

  690 16:01:09.015804    PCI: 00:16.2: enabled 0

  691 16:01:09.018608    PCI: 00:16.3: enabled 0

  692 16:01:09.021939    PCI: 00:16.4: enabled 0

  693 16:01:09.025097    PCI: 00:17.0: enabled 0

  694 16:01:09.028264    PCI: 00:19.0: enabled 1

  695 16:01:09.028742    PCI: 00:19.1: enabled 1

  696 16:01:09.031429     I2C: 00:39: enabled 1

  697 16:01:09.035673     I2C: 00:3a: enabled 1

  698 16:01:09.038246     I2C: 00:1a: enabled 1

  699 16:01:09.038821    PCI: 00:19.2: enabled 0

  700 16:01:09.041777    PCI: 00:1c.0: enabled 1

  701 16:01:09.045139     PCI: 00:00.0: enabled 1

  702 16:01:09.048211    PCI: 00:1c.1: enabled 0

  703 16:01:09.051906    PCI: 00:1c.2: enabled 0

  704 16:01:09.052791    PCI: 00:1c.3: enabled 0

  705 16:01:09.055126    PCI: 00:1c.4: enabled 0

  706 16:01:09.058153    PCI: 00:1c.5: enabled 0

  707 16:01:09.061508    PCI: 00:1c.6: enabled 0

  708 16:01:09.064644    PCI: 00:1c.7: enabled 0

  709 16:01:09.065132    PCI: 00:1d.0: enabled 0

  710 16:01:09.067891    PCI: 00:1d.1: enabled 0

  711 16:01:09.071391    PCI: 00:1d.2: enabled 0

  712 16:01:09.074721    PCI: 00:1d.3: enabled 0

  713 16:01:09.078438    PCI: 00:1e.0: enabled 1

  714 16:01:09.078907    PCI: 00:1e.1: enabled 0

  715 16:01:09.081185    PCI: 00:1e.2: enabled 1

  716 16:01:09.084543     SPI: 00: enabled 1

  717 16:01:09.088112    PCI: 00:1e.3: enabled 0

  718 16:01:09.088686    PCI: 00:1e.4: enabled 1

  719 16:01:09.091208    PCI: 00:1e.5: enabled 0

  720 16:01:09.094660    PCI: 00:1e.6: enabled 1

  721 16:01:09.097589    PCI: 00:1f.0: enabled 1

  722 16:01:09.101669     PNP: 0c09.0: enabled 1

  723 16:01:09.102170    PCI: 00:1f.1: enabled 1

  724 16:01:09.104651    PCI: 00:1f.2: enabled 1

  725 16:01:09.107827    PCI: 00:1f.3: enabled 1

  726 16:01:09.111015    PCI: 00:1f.4: enabled 1

  727 16:01:09.114601    PCI: 00:1f.5: enabled 1

  728 16:01:09.115178    PCI: 00:1f.6: enabled 0

  729 16:01:09.117564  Root Device scanning...

  730 16:01:09.121351  root_dev_scan_bus for Root Device

  731 16:01:09.124088  CPU_CLUSTER: 0 enabled

  732 16:01:09.127587  DOMAIN: 0000 enabled

  733 16:01:09.128087  DOMAIN: 0000 scanning...

  734 16:01:09.130868  PCI: pci_scan_bus for bus 00

  735 16:01:09.133969  PCI: 00:00.0 [8086/0000] ops

  736 16:01:09.137203  PCI: 00:00.0 [8086/590c] enabled

  737 16:01:09.140629  PCI: 00:02.0 [8086/0000] ops

  738 16:01:09.143797  PCI: 00:02.0 [8086/591c] enabled

  739 16:01:09.147303  PCI: 00:04.0 [8086/1903] enabled

  740 16:01:09.151244  PCI: 00:08.0 [8086/1911] enabled

  741 16:01:09.153783  PCI: 00:14.0 [8086/0000] bus ops

  742 16:01:09.157059  PCI: 00:14.0 [8086/9d2f] enabled

  743 16:01:09.160525  PCI: 00:14.2 [8086/9d31] enabled

  744 16:01:09.163755  PCI: 00:15.0 [8086/0000] bus ops

  745 16:01:09.167112  PCI: 00:15.0 [8086/9d60] enabled

  746 16:01:09.170151  PCI: 00:15.1 [8086/0000] bus ops

  747 16:01:09.173706  PCI: 00:15.1 [8086/9d61] enabled

  748 16:01:09.177243  PCI: 00:16.0 [8086/0000] ops

  749 16:01:09.180052  PCI: 00:16.0 [8086/9d3a] enabled

  750 16:01:09.183161  PCI: 00:19.0 [8086/0000] ops

  751 16:01:09.186573  PCI: 00:19.0 [8086/9d66] enabled

  752 16:01:09.189740  PCI: 00:19.1 [8086/0000] bus ops

  753 16:01:09.193097  PCI: 00:19.1 [8086/9d65] enabled

  754 16:01:09.196718  PCI: 00:1c.0 [8086/0000] bus ops

  755 16:01:09.199548  PCI: 00:1c.0 [8086/9d10] enabled

  756 16:01:09.203199  PCI: 00:1e.0 [8086/0000] ops

  757 16:01:09.206216  PCI: 00:1e.0 [8086/9d27] enabled

  758 16:01:09.210058  PCI: 00:1e.2 [8086/0000] bus ops

  759 16:01:09.212995  PCI: 00:1e.2 [8086/9d29] enabled

  760 16:01:09.216231  PCI: 00:1e.4 [8086/9d2b] enabled

  761 16:01:09.219480  PCI: 00:1e.6 [8086/0000] ops

  762 16:01:09.223005  PCI: 00:1e.6 [8086/9d2d] enabled

  763 16:01:09.226627  PCI: 00:1f.0 [8086/0000] bus ops

  764 16:01:09.229412  PCI: 00:1f.0 [8086/9d4b] enabled

  765 16:01:09.233059  PCI: Static device PCI: 00:1f.1 not found, disabling it.

  766 16:01:09.235914  PCI: 00:1f.2 [8086/0000] bus ops

  767 16:01:09.239508  PCI: 00:1f.2 [8086/9d21] enabled

  768 16:01:09.243238  PCI: 00:1f.3 [8086/0000] bus ops

  769 16:01:09.246193  PCI: 00:1f.3 [8086/9d71] enabled

  770 16:01:09.249575  PCI: 00:1f.4 [8086/0000] bus ops

  771 16:01:09.252564  PCI: 00:1f.4 [8086/9d23] enabled

  772 16:01:09.256148  PCI: 00:1f.5 [8086/0000] bus ops

  773 16:01:09.259129  PCI: 00:1f.5 [8086/9d24] enabled

  774 16:01:09.262895  PCI: 00:14.0 scanning...

  775 16:01:09.266111  scan_usb_bus for PCI: 00:14.0

  776 16:01:09.268945  USB0 port 0 enabled

  777 16:01:09.269031  USB0 port 0 scanning...

  778 16:01:09.273248  scan_usb_bus for USB0 port 0

  779 16:01:09.275903  USB2 port 0 enabled

  780 16:01:09.279044  USB2 port 1 enabled

  781 16:01:09.279130  USB2 port 2 enabled

  782 16:01:09.282379  USB2 port 4 enabled

  783 16:01:09.282468  USB2 port 8 enabled

  784 16:01:09.286435  USB2 port 0 scanning...

  785 16:01:09.289519  scan_usb_bus for USB2 port 0

  786 16:01:09.292673  scan_usb_bus for USB2 port 0 done

  787 16:01:09.299828  scan_bus: scanning of bus USB2 port 0 took 8974 usecs

  788 16:01:09.302211  USB2 port 1 scanning...

  789 16:01:09.302296  scan_usb_bus for USB2 port 1

  790 16:01:09.305496  scan_usb_bus for USB2 port 1 done

  791 16:01:09.312262  scan_bus: scanning of bus USB2 port 1 took 8970 usecs

  792 16:01:09.315690  USB2 port 2 scanning...

  793 16:01:09.318892  scan_usb_bus for USB2 port 2

  794 16:01:09.322010  scan_usb_bus for USB2 port 2 done

  795 16:01:09.325658  scan_bus: scanning of bus USB2 port 2 took 8965 usecs

  796 16:01:09.329027  USB2 port 4 scanning...

  797 16:01:09.332018  scan_usb_bus for USB2 port 4

  798 16:01:09.335440  scan_usb_bus for USB2 port 4 done

  799 16:01:09.342550  scan_bus: scanning of bus USB2 port 4 took 8964 usecs

  800 16:01:09.342637  USB2 port 8 scanning...

  801 16:01:09.345832  scan_usb_bus for USB2 port 8

  802 16:01:09.348987  scan_usb_bus for USB2 port 8 done

  803 16:01:09.355679  scan_bus: scanning of bus USB2 port 8 took 8974 usecs

  804 16:01:09.358945  scan_usb_bus for USB0 port 0 done

  805 16:01:09.365331  scan_bus: scanning of bus USB0 port 0 took 90968 usecs

  806 16:01:09.368628  scan_usb_bus for PCI: 00:14.0 done

  807 16:01:09.374902  scan_bus: scanning of bus PCI: 00:14.0 took 107760 usecs

  808 16:01:09.374991  PCI: 00:15.0 scanning...

  809 16:01:09.378378  scan_generic_bus for PCI: 00:15.0

  810 16:01:09.385424  bus: PCI: 00:15.0[0]->I2C: 01:5c enabled

  811 16:01:09.388403  scan_generic_bus for PCI: 00:15.0 done

  812 16:01:09.391644  scan_bus: scanning of bus PCI: 00:15.0 took 14155 usecs

  813 16:01:09.394717  PCI: 00:15.1 scanning...

  814 16:01:09.398125  scan_generic_bus for PCI: 00:15.1

  815 16:01:09.404717  bus: PCI: 00:15.1[0]->I2C: 02:15 enabled

  816 16:01:09.408055  scan_generic_bus for PCI: 00:15.1 done

  817 16:01:09.411558  scan_bus: scanning of bus PCI: 00:15.1 took 14153 usecs

  818 16:01:09.415118  PCI: 00:19.1 scanning...

  819 16:01:09.418090  scan_generic_bus for PCI: 00:19.1

  820 16:01:09.421487  bus: PCI: 00:19.1[0]->I2C: 03:39 enabled

  821 16:01:09.427877  bus: PCI: 00:19.1[0]->I2C: 03:3a enabled

  822 16:01:09.431222  bus: PCI: 00:19.1[0]->I2C: 03:1a enabled

  823 16:01:09.434854  scan_generic_bus for PCI: 00:19.1 done

  824 16:01:09.441183  scan_bus: scanning of bus PCI: 00:19.1 took 22370 usecs

  825 16:01:09.445087  PCI: 00:1c.0 scanning...

  826 16:01:09.447815  do_pci_scan_bridge for PCI: 00:1c.0

  827 16:01:09.451569  PCI: pci_scan_bus for bus 01

  828 16:01:09.454977  PCI: 01:00.0 [8086/095a] enabled

  829 16:01:09.457483  Capability: type 0x01 @ 0xc8

  830 16:01:09.457610  Capability: type 0x05 @ 0xd0

  831 16:01:09.460722  Capability: type 0x10 @ 0x40

  832 16:01:09.464228  Capability: type 0x10 @ 0x40

  833 16:01:09.467292  Enabling Common Clock Configuration

  834 16:01:09.474148  L1 Sub-State supported from root port 28

  835 16:01:09.474263  L1 Sub-State Support = 0xf

  836 16:01:09.477579  CommonModeRestoreTime = 0x28

  837 16:01:09.483725  Power On Value = 0x1e, Power On Scale = 0x0

  838 16:01:09.483815  ASPM: Enabled L1

  839 16:01:09.487079  Capability: type 0x01 @ 0xc8

  840 16:01:09.490581  Capability: type 0x05 @ 0xd0

  841 16:01:09.493737  Capability: type 0x10 @ 0x40

  842 16:01:09.500321  scan_bus: scanning of bus PCI: 00:1c.0 took 53535 usecs

  843 16:01:09.500410  PCI: 00:1e.2 scanning...

  844 16:01:09.506899  scan_generic_bus for PCI: 00:1e.2

  845 16:01:09.510505  bus: PCI: 00:1e.2[0]->SPI: 00 enabled

  846 16:01:09.513422  scan_generic_bus for PCI: 00:1e.2 done

  847 16:01:09.520447  scan_bus: scanning of bus PCI: 00:1e.2 took 13851 usecs

  848 16:01:09.520547  PCI: 00:1f.0 scanning...

  849 16:01:09.523537  scan_lpc_bus for PCI: 00:1f.0

  850 16:01:09.527459  PNP: 0c09.0 enabled

  851 16:01:09.530017  scan_lpc_bus for PCI: 00:1f.0 done

  852 16:01:09.536840  scan_bus: scanning of bus PCI: 00:1f.0 took 11323 usecs

  853 16:01:09.536928  PCI: 00:1f.2 scanning...

  854 16:01:09.539995  scan_lpc_bus for PCI: 00:1f.2

  855 16:01:09.543267  scan_lpc_bus for PCI: 00:1f.2 done

  856 16:01:09.550027  scan_bus: scanning of bus PCI: 00:1f.2 took 9266 usecs

  857 16:01:09.553227  PCI: 00:1f.3 scanning...

  858 16:01:09.559844  scan_bus: scanning of bus PCI: 00:1f.3 took 2716 usecs

  859 16:01:09.559931  PCI: 00:1f.4 scanning...

  860 16:01:09.563056  scan_generic_bus for PCI: 00:1f.4

  861 16:01:09.569426  scan_generic_bus for PCI: 00:1f.4 done

  862 16:01:09.573392  scan_bus: scanning of bus PCI: 00:1f.4 took 10045 usecs

  863 16:01:09.576069  PCI: 00:1f.5 scanning...

  864 16:01:09.579607  scan_generic_bus for PCI: 00:1f.5

  865 16:01:09.583096  scan_generic_bus for PCI: 00:1f.5 done

  866 16:01:09.589909  scan_bus: scanning of bus PCI: 00:1f.5 took 10045 usecs

  867 16:01:09.596119  scan_bus: scanning of bus DOMAIN: 0000 took 466119 usecs

  868 16:01:09.599238  root_dev_scan_bus for Root Device done

  869 16:01:09.605894  scan_bus: scanning of bus Root Device took 486234 usecs

  870 16:01:09.605979  done

  871 16:01:09.609245  Chrome EC: UHEPI supported

  872 16:01:09.616219  FMAP: area RECOVERY_MRC_CACHE found @ 9d0000 (65536 bytes)

  873 16:01:09.619886  MRC: Checking cached data update for 'RECOVERY_MRC_CACHE'.

  874 16:01:09.629474  SF: Detected FAST_SPI Hardware Sequencer with sector size 0x1000, total 0x1000000

  875 16:01:09.636027  FMAP: area UNIFIED_MRC_CACHE found @ 9d0000 (131072 bytes)

  876 16:01:09.638954  SPI flash protection: WPSW=0 SRP0=0

  877 16:01:09.645729  MRC: NOT enabling PRR for 'UNIFIED_MRC_CACHE'.

  878 16:01:09.649395  BS: BS_DEV_ENUMERATE times (us): entry 0 run 826131 exit 39234

  879 16:01:09.652221  found VGA at PCI: 00:02.0

  880 16:01:09.655512  Setting up VGA for PCI: 00:02.0

  881 16:01:09.662217  Setting PCI_BRIDGE_CTL_VGA for bridge DOMAIN: 0000

  882 16:01:09.665559  Setting PCI_BRIDGE_CTL_VGA for bridge Root Device

  883 16:01:09.669150  Allocating resources...

  884 16:01:09.671756  Reading resources...

  885 16:01:09.675396  Root Device read_resources bus 0 link: 0

  886 16:01:09.678435  CPU_CLUSTER: 0 read_resources bus 0 link: 0

  887 16:01:09.685198  CPU_CLUSTER: 0 read_resources bus 0 link: 0 done

  888 16:01:09.688862  DOMAIN: 0000 read_resources bus 0 link: 0

  889 16:01:09.695079  PCI: 00:14.0 read_resources bus 0 link: 0

  890 16:01:09.698086  USB0 port 0 read_resources bus 0 link: 0

  891 16:01:09.704714  USB0 port 0 read_resources bus 0 link: 0 done

  892 16:01:09.708487  PCI: 00:14.0 read_resources bus 0 link: 0 done

  893 16:01:09.714524  PCI: 00:15.0 read_resources bus 1 link: 0

  894 16:01:09.717851  PCI: 00:15.0 read_resources bus 1 link: 0 done

  895 16:01:09.721337  PCI: 00:15.1 read_resources bus 2 link: 0

  896 16:01:09.728072  PCI: 00:15.1 read_resources bus 2 link: 0 done

  897 16:01:09.731445  PCI: 00:19.1 read_resources bus 3 link: 0

  898 16:01:09.738528  PCI: 00:19.1 read_resources bus 3 link: 0 done

  899 16:01:09.741829  PCI: 00:1c.0 read_resources bus 1 link: 0

  900 16:01:09.748470  PCI: 00:1c.0 read_resources bus 1 link: 0 done

  901 16:01:09.751910  PCI: 00:1e.2 read_resources bus 4 link: 0

  902 16:01:09.758193  PCI: 00:1e.2 read_resources bus 4 link: 0 done

  903 16:01:09.761500  PCI: 00:1f.0 read_resources bus 0 link: 0

  904 16:01:09.767985  PCI: 00:1f.0 read_resources bus 0 link: 0 done

  905 16:01:09.774909  DOMAIN: 0000 read_resources bus 0 link: 0 done

  906 16:01:09.778097  Root Device read_resources bus 0 link: 0 done

  907 16:01:09.781461  Done reading resources.

  908 16:01:09.784713  Show resources in subtree (Root Device)...After reading.

  909 16:01:09.791147   Root Device child on link 0 CPU_CLUSTER: 0

  910 16:01:09.795148    CPU_CLUSTER: 0 child on link 0 APIC: 00

  911 16:01:09.795234     APIC: 00

  912 16:01:09.797906     APIC: 01

  913 16:01:09.797991     APIC: 02

  914 16:01:09.801459     APIC: 03

  915 16:01:09.804802    DOMAIN: 0000 child on link 0 PCI: 00:00.0

  916 16:01:09.814636    DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffff flags 40040100 index 10000000

  917 16:01:09.824186    DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffffffff flags 40040200 index 10000100

  918 16:01:09.824285     PCI: 00:00.0

  919 16:01:09.834571     PCI: 00:00.0 resource base e0000000 size 4000000 align 0 gran 0 limit 0 flags f0000200 index 0

  920 16:01:09.844178     PCI: 00:00.0 resource base fed10000 size 8000 align 0 gran 0 limit 0 flags f0000200 index 1

  921 16:01:09.854173     PCI: 00:00.0 resource base fed18000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 2

  922 16:01:09.863828     PCI: 00:00.0 resource base fed19000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 3

  923 16:01:09.870628     PCI: 00:00.0 resource base fed84000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 4

  924 16:01:09.880614     PCI: 00:00.0 resource base fed80000 size 4000 align 0 gran 0 limit 0 flags f0000200 index 5

  925 16:01:09.890593     PCI: 00:00.0 resource base fed90000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 6

  926 16:01:09.900473     PCI: 00:00.0 resource base fed91000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 7

  927 16:01:09.906876     PCI: 00:00.0 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 8

  928 16:01:09.916697     PCI: 00:00.0 resource base c0000 size 7af40000 align 0 gran 0 limit 0 flags e0004200 index 9

  929 16:01:09.926799     PCI: 00:00.0 resource base 7b000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index b

  930 16:01:09.936708     PCI: 00:00.0 resource base 7b800000 size 4800000 align 0 gran 0 limit 0 flags f0000200 index c

  931 16:01:09.946837     PCI: 00:00.0 resource base 100000000 size 7f000000 align 0 gran 0 limit 0 flags e0004200 index d

  932 16:01:09.956501     PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index e

  933 16:01:09.966278     PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index f

  934 16:01:09.966376     PCI: 00:02.0

  935 16:01:09.976475     PCI: 00:02.0 resource base 0 size 1000000 align 24 gran 24 limit ffffffffffffffff flags 201 index 10

  936 16:01:09.986478     PCI: 00:02.0 resource base 0 size 10000000 align 28 gran 28 limit ffffffffffffffff flags 1201 index 18

  937 16:01:09.996030     PCI: 00:02.0 resource base 0 size 40 align 6 gran 6 limit ffff flags 100 index 20

  938 16:01:09.996123     PCI: 00:04.0

  939 16:01:10.006297     PCI: 00:04.0 resource base 0 size 8000 align 15 gran 15 limit ffffffffffffffff flags 201 index 10

  940 16:01:10.009691     PCI: 00:08.0

  941 16:01:10.019025     PCI: 00:08.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

  942 16:01:10.022408     PCI: 00:14.0 child on link 0 USB0 port 0

  943 16:01:10.032294     PCI: 00:14.0 resource base 0 size 10000 align 16 gran 16 limit ffffffffffffffff flags 201 index 10

  944 16:01:10.038969      USB0 port 0 child on link 0 USB2 port 0

  945 16:01:10.039057       USB2 port 0

  946 16:01:10.042723       USB2 port 1

  947 16:01:10.042809       USB2 port 2

  948 16:01:10.045545       USB2 port 4

  949 16:01:10.045631       USB2 port 8

  950 16:01:10.049012     PCI: 00:14.1

  951 16:01:10.049097     PCI: 00:14.2

  952 16:01:10.059427     PCI: 00:14.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

  953 16:01:10.062525     PCI: 00:15.0 child on link 0 I2C: 01:5c

  954 16:01:10.071887     PCI: 00:15.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

  955 16:01:10.075386      I2C: 01:5c

  956 16:01:10.078728     PCI: 00:15.1 child on link 0 I2C: 02:15

  957 16:01:10.089057     PCI: 00:15.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

  958 16:01:10.091782      I2C: 02:15

  959 16:01:10.091867     PCI: 00:15.2

  960 16:01:10.095215     PCI: 00:15.3

  961 16:01:10.095305     PCI: 00:16.0

  962 16:01:10.105650     PCI: 00:16.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

  963 16:01:10.108294     PCI: 00:16.1

  964 16:01:10.108379     PCI: 00:16.2

  965 16:01:10.112480     PCI: 00:16.3

  966 16:01:10.112566     PCI: 00:16.4

  967 16:01:10.115144     PCI: 00:17.0

  968 16:01:10.115259     PCI: 00:19.0

  969 16:01:10.128391     PCI: 00:19.0 resource base fe034000 size 1000 align 12 gran 12 limit ffffffffffffffff flags c0000200 index 10

  970 16:01:10.138132     PCI: 00:19.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18

  971 16:01:10.141656     PCI: 00:19.1 child on link 0 I2C: 03:39

  972 16:01:10.151570     PCI: 00:19.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

  973 16:01:10.151689      I2C: 03:39

  974 16:01:10.154785      I2C: 03:3a

  975 16:01:10.154869      I2C: 03:1a

  976 16:01:10.158098     PCI: 00:19.2

  977 16:01:10.162482     PCI: 00:1c.0 child on link 0 PCI: 01:00.0

  978 16:01:10.171204     PCI: 00:1c.0 resource base 0 size 0 align 12 gran 12 limit ffff flags 80102 index 1c

  979 16:01:10.181048     PCI: 00:1c.0 resource base 0 size 0 align 20 gran 20 limit ffffffffffffffff flags 81202 index 24

  980 16:01:10.187776     PCI: 00:1c.0 resource base 0 size 0 align 20 gran 20 limit ffffffff flags 80202 index 20

  981 16:01:10.190881      PCI: 01:00.0

  982 16:01:10.201073      PCI: 01:00.0 resource base 0 size 2000 align 13 gran 13 limit ffffffffffffffff flags 201 index 10

  983 16:01:10.204451     PCI: 00:1c.1

  984 16:01:10.204535     PCI: 00:1c.2

  985 16:01:10.207550     PCI: 00:1c.3

  986 16:01:10.207634     PCI: 00:1c.4

  987 16:01:10.211143     PCI: 00:1c.5

  988 16:01:10.211275     PCI: 00:1c.6

  989 16:01:10.214524     PCI: 00:1c.7

  990 16:01:10.214608     PCI: 00:1d.0

  991 16:01:10.217754     PCI: 00:1d.1

  992 16:01:10.217837     PCI: 00:1d.2

  993 16:01:10.220929     PCI: 00:1d.3

  994 16:01:10.221012     PCI: 00:1e.0

  995 16:01:10.230712     PCI: 00:1e.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

  996 16:01:10.233920     PCI: 00:1e.1

  997 16:01:10.237434     PCI: 00:1e.2 child on link 0 SPI: 00

  998 16:01:10.247197     PCI: 00:1e.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

  999 16:01:10.247320      SPI: 00

 1000 16:01:10.250615     PCI: 00:1e.3

 1001 16:01:10.250702     PCI: 00:1e.4

 1002 16:01:10.260505     PCI: 00:1e.4 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

 1003 16:01:10.263896     PCI: 00:1e.5

 1004 16:01:10.263979     PCI: 00:1e.6

 1005 16:01:10.274385     PCI: 00:1e.6 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10

 1006 16:01:10.277025     PCI: 00:1f.0 child on link 0 PNP: 0c09.0

 1007 16:01:10.286895     PCI: 00:1f.0 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0000100 index 0

 1008 16:01:10.290061      PNP: 0c09.0

 1009 16:01:10.296954      PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0

 1010 16:01:10.300499     PCI: 00:1f.1

 1011 16:01:10.300584     PCI: 00:1f.2

 1012 16:01:10.310231     PCI: 00:1f.2 resource base 0 size 4000 align 14 gran 14 limit ffffffff flags 200 index 10

 1013 16:01:10.320336     PCI: 00:1f.2 resource base fe000000 size 10000 align 0 gran 0 limit 0 flags d0000200 index 48

 1014 16:01:10.329675     PCI: 00:1f.2 resource base 1800 size 100 align 0 gran 0 limit 0 flags c0000100 index 40

 1015 16:01:10.329761     PCI: 00:1f.3

 1016 16:01:10.339723     PCI: 00:1f.3 resource base 0 size 4000 align 14 gran 14 limit ffffffffffffffff flags 201 index 10

 1017 16:01:10.349792     PCI: 00:1f.3 resource base 0 size 10000 align 16 gran 16 limit ffffffffffffffff flags 201 index 20

 1018 16:01:10.353522     PCI: 00:1f.4

 1019 16:01:10.359604     PCI: 00:1f.4 resource base efa0 size 20 align 0 gran 0 limit efbf flags f0000100 index 20

 1020 16:01:10.369869     PCI: 00:1f.4 resource base 0 size 100 align 12 gran 8 limit ffffffffffffffff flags 201 index 10

 1021 16:01:10.373703     PCI: 00:1f.5

 1022 16:01:10.382546     PCI: 00:1f.5 resource base 0 size 1000 align 12 gran 12 limit ffffffff flags 200 index 10

 1023 16:01:10.382630     PCI: 00:1f.6

 1024 16:01:10.389293  DOMAIN: 0000 io: base: 0 size: 0 align: 0 gran: 0 limit: ffff

 1025 16:01:10.396118  PCI: 00:1c.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff

 1026 16:01:10.402197  PCI: 00:1c.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff done

 1027 16:01:10.405580  PCI: 00:02.0 20 *  [0x0 - 0x3f] io

 1028 16:01:10.412911  DOMAIN: 0000 io: base: 40 size: 40 align: 6 gran: 0 limit: ffff done

 1029 16:01:10.418786  DOMAIN: 0000 mem: base: 0 size: 0 align: 0 gran: 0 limit: ffffffff

 1030 16:01:10.471896  PCI: 00:1c.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff

 1031 16:01:10.472426  PCI: 00:1c.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff done

 1032 16:01:10.473155  PCI: 00:1c.0 mem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffff

 1033 16:01:10.473238  PCI: 01:00.0 10 *  [0x0 - 0x1fff] mem

 1034 16:01:10.473509  PCI: 00:1c.0 mem: base: 2000 size: 100000 align: 20 gran: 20 limit: ffffffff done

 1035 16:01:10.473760  PCI: 00:02.0 18 *  [0x0 - 0xfffffff] prefmem

 1036 16:01:10.474200  PCI: 00:02.0 10 *  [0x10000000 - 0x10ffffff] mem

 1037 16:01:10.474947  PCI: 00:1c.0 20 *  [0x11000000 - 0x110fffff] mem

 1038 16:01:10.475048  PCI: 00:14.0 10 *  [0x11100000 - 0x1110ffff] mem

 1039 16:01:10.521613  PCI: 00:1f.3 20 *  [0x11110000 - 0x1111ffff] mem

 1040 16:01:10.521927  PCI: 00:04.0 10 *  [0x11120000 - 0x11127fff] mem

 1041 16:01:10.521997  PCI: 00:1f.2 10 *  [0x11128000 - 0x1112bfff] mem

 1042 16:01:10.522609  PCI: 00:1f.3 10 *  [0x1112c000 - 0x1112ffff] mem

 1043 16:01:10.522692  PCI: 00:08.0 10 *  [0x11130000 - 0x11130fff] mem

 1044 16:01:10.522937  PCI: 00:14.2 10 *  [0x11131000 - 0x11131fff] mem

 1045 16:01:10.523468  PCI: 00:15.0 10 *  [0x11132000 - 0x11132fff] mem

 1046 16:01:10.523915  PCI: 00:15.1 10 *  [0x11133000 - 0x11133fff] mem

 1047 16:01:10.524178  PCI: 00:16.0 10 *  [0x11134000 - 0x11134fff] mem

 1048 16:01:10.524249  PCI: 00:19.0 18 *  [0x11135000 - 0x11135fff] mem

 1049 16:01:10.571219  PCI: 00:19.1 10 *  [0x11136000 - 0x11136fff] mem

 1050 16:01:10.571516  PCI: 00:1e.0 10 *  [0x11137000 - 0x11137fff] mem

 1051 16:01:10.572295  PCI: 00:1e.2 10 *  [0x11138000 - 0x11138fff] mem

 1052 16:01:10.572377  PCI: 00:1e.4 10 *  [0x11139000 - 0x11139fff] mem

 1053 16:01:10.572623  PCI: 00:1e.6 10 *  [0x1113a000 - 0x1113afff] mem

 1054 16:01:10.572691  PCI: 00:1f.5 10 *  [0x1113b000 - 0x1113bfff] mem

 1055 16:01:10.573763  PCI: 00:1f.4 10 *  [0x1113c000 - 0x1113c0ff] mem

 1056 16:01:10.574122  DOMAIN: 0000 mem: base: 1113c100 size: 1113c100 align: 28 gran: 0 limit: ffffffff done

 1057 16:01:10.574761  avoid_fixed_resources: DOMAIN: 0000

 1058 16:01:10.599252  avoid_fixed_resources:@DOMAIN: 0000 10000000 limit 0000ffff

 1059 16:01:10.599530  avoid_fixed_resources:@DOMAIN: 0000 10000100 limit ffffffff

 1060 16:01:10.600054  constrain_resources: PCI: 00:00.0 00 base e0000000 limit e3ffffff mem (fixed)

 1061 16:01:10.600315  constrain_resources: PCI: 00:00.0 08 base 00000000 limit 0009ffff mem (fixed)

 1062 16:01:10.603555  constrain_resources: PCI: 00:00.0 09 base 000c0000 limit 7affffff mem (fixed)

 1063 16:01:10.609970  constrain_resources: PCI: 00:00.0 0b base 7b000000 limit 7b7fffff mem (fixed)

 1064 16:01:10.619670  constrain_resources: PCI: 00:00.0 0c base 7b800000 limit 7fffffff mem (fixed)

 1065 16:01:10.626266  constrain_resources: PCI: 00:1f.0 00 base 00000000 limit 00000fff io (fixed)

 1066 16:01:10.632906  constrain_resources: PCI: 00:1f.2 40 base 00001800 limit 000018ff io (fixed)

 1067 16:01:10.643365  constrain_resources: PCI: 00:1f.4 20 base 0000efa0 limit 0000efbf io (fixed)

 1068 16:01:10.650232  avoid_fixed_resources:@DOMAIN: 0000 10000000 base 00001900 limit 0000ef9f

 1069 16:01:10.655986  avoid_fixed_resources:@DOMAIN: 0000 10000100 base c0000000 limit dfffffff

 1070 16:01:10.659948  Setting resources...

 1071 16:01:10.662775  DOMAIN: 0000 io: base:1900 size:40 align:6 gran:0 limit:ef9f

 1072 16:01:10.669406  PCI: 00:02.0 20 *  [0x1c00 - 0x1c3f] io

 1073 16:01:10.676409  DOMAIN: 0000 io: next_base: 1c40 size: 40 align: 6 gran: 0 done

 1074 16:01:10.679138  PCI: 00:1c.0 io: base:ef9f size:0 align:12 gran:12 limit:ef9f

 1075 16:01:10.685777  PCI: 00:1c.0 io: next_base: ef9f size: 0 align: 12 gran: 12 done

 1076 16:01:10.695969  DOMAIN: 0000 mem: base:c0000000 size:1113c100 align:28 gran:0 limit:dfffffff

 1077 16:01:10.698880  PCI: 00:02.0 18 *  [0xc0000000 - 0xcfffffff] prefmem

 1078 16:01:10.705540  PCI: 00:02.0 10 *  [0xd0000000 - 0xd0ffffff] mem

 1079 16:01:10.708663  PCI: 00:1c.0 20 *  [0xd1000000 - 0xd10fffff] mem

 1080 16:01:10.715347  PCI: 00:14.0 10 *  [0xd1100000 - 0xd110ffff] mem

 1081 16:01:10.719046  PCI: 00:1f.3 20 *  [0xd1110000 - 0xd111ffff] mem

 1082 16:01:10.725324  PCI: 00:04.0 10 *  [0xd1120000 - 0xd1127fff] mem

 1083 16:01:10.728989  PCI: 00:1f.2 10 *  [0xd1128000 - 0xd112bfff] mem

 1084 16:01:10.735445  PCI: 00:1f.3 10 *  [0xd112c000 - 0xd112ffff] mem

 1085 16:01:10.738887  PCI: 00:08.0 10 *  [0xd1130000 - 0xd1130fff] mem

 1086 16:01:10.745254  PCI: 00:14.2 10 *  [0xd1131000 - 0xd1131fff] mem

 1087 16:01:10.748366  PCI: 00:15.0 10 *  [0xd1132000 - 0xd1132fff] mem

 1088 16:01:10.752134  PCI: 00:15.1 10 *  [0xd1133000 - 0xd1133fff] mem

 1089 16:01:10.758623  PCI: 00:16.0 10 *  [0xd1134000 - 0xd1134fff] mem

 1090 16:01:10.761674  PCI: 00:19.0 18 *  [0xd1135000 - 0xd1135fff] mem

 1091 16:01:10.768004  PCI: 00:19.1 10 *  [0xd1136000 - 0xd1136fff] mem

 1092 16:01:10.771618  PCI: 00:1e.0 10 *  [0xd1137000 - 0xd1137fff] mem

 1093 16:01:10.778233  PCI: 00:1e.2 10 *  [0xd1138000 - 0xd1138fff] mem

 1094 16:01:10.781858  PCI: 00:1e.4 10 *  [0xd1139000 - 0xd1139fff] mem

 1095 16:01:10.788243  PCI: 00:1e.6 10 *  [0xd113a000 - 0xd113afff] mem

 1096 16:01:10.792300  PCI: 00:1f.5 10 *  [0xd113b000 - 0xd113bfff] mem

 1097 16:01:10.797986  PCI: 00:1f.4 10 *  [0xd113c000 - 0xd113c0ff] mem

 1098 16:01:10.804634  DOMAIN: 0000 mem: next_base: d113c100 size: 1113c100 align: 28 gran: 0 done

 1099 16:01:10.811188  PCI: 00:1c.0 prefmem: base:dfffffff size:0 align:20 gran:20 limit:dfffffff

 1100 16:01:10.817897  PCI: 00:1c.0 prefmem: next_base: dfffffff size: 0 align: 20 gran: 20 done

 1101 16:01:10.827861  PCI: 00:1c.0 mem: base:d1000000 size:100000 align:20 gran:20 limit:d10fffff

 1102 16:01:10.831062  PCI: 01:00.0 10 *  [0xd1000000 - 0xd1001fff] mem

 1103 16:01:10.837580  PCI: 00:1c.0 mem: next_base: d1002000 size: 100000 align: 20 gran: 20 done

 1104 16:01:10.844092  Root Device assign_resources, bus 0 link: 0

 1105 16:01:10.847442  DOMAIN: 0000 assign_resources, bus 0 link: 0

 1106 16:01:10.857612  PCI: 00:02.0 10 <- [0x00d0000000 - 0x00d0ffffff] size 0x01000000 gran 0x18 mem64

 1107 16:01:10.864494  PCI: 00:02.0 18 <- [0x00c0000000 - 0x00cfffffff] size 0x10000000 gran 0x1c prefmem64

 1108 16:01:10.873772  PCI: 00:02.0 20 <- [0x0000001c00 - 0x0000001c3f] size 0x00000040 gran 0x06 io

 1109 16:01:10.880511  PCI: 00:04.0 10 <- [0x00d1120000 - 0x00d1127fff] size 0x00008000 gran 0x0f mem64

 1110 16:01:10.887082  PCI: 00:08.0 10 <- [0x00d1130000 - 0x00d1130fff] size 0x00001000 gran 0x0c mem64

 1111 16:01:10.897292  PCI: 00:14.0 10 <- [0x00d1100000 - 0x00d110ffff] size 0x00010000 gran 0x10 mem64

 1112 16:01:10.900595  PCI: 00:14.0 assign_resources, bus 0 link: 0

 1113 16:01:10.906919  PCI: 00:14.0 assign_resources, bus 0 link: 0

 1114 16:01:10.913672  PCI: 00:14.2 10 <- [0x00d1131000 - 0x00d1131fff] size 0x00001000 gran 0x0c mem64

 1115 16:01:10.923473  PCI: 00:15.0 10 <- [0x00d1132000 - 0x00d1132fff] size 0x00001000 gran 0x0c mem64

 1116 16:01:10.926562  PCI: 00:15.0 assign_resources, bus 1 link: 0

 1117 16:01:10.930014  PCI: 00:15.0 assign_resources, bus 1 link: 0

 1118 16:01:10.939930  PCI: 00:15.1 10 <- [0x00d1133000 - 0x00d1133fff] size 0x00001000 gran 0x0c mem64

 1119 16:01:10.942909  PCI: 00:15.1 assign_resources, bus 2 link: 0

 1120 16:01:10.949812  PCI: 00:15.1 assign_resources, bus 2 link: 0

 1121 16:01:10.956334  PCI: 00:16.0 10 <- [0x00d1134000 - 0x00d1134fff] size 0x00001000 gran 0x0c mem64

 1122 16:01:10.966331  PCI: 00:19.0 18 <- [0x00d1135000 - 0x00d1135fff] size 0x00001000 gran 0x0c mem64

 1123 16:01:10.973109  PCI: 00:19.1 10 <- [0x00d1136000 - 0x00d1136fff] size 0x00001000 gran 0x0c mem64

 1124 16:01:10.976229  PCI: 00:19.1 assign_resources, bus 3 link: 0

 1125 16:01:10.982627  PCI: 00:19.1 assign_resources, bus 3 link: 0

 1126 16:01:10.989037  PCI: 00:1c.0 1c <- [0x000000ef9f - 0x000000ef9e] size 0x00000000 gran 0x0c bus 01 io

 1127 16:01:10.998945  PCI: 00:1c.0 24 <- [0x00dfffffff - 0x00dffffffe] size 0x00000000 gran 0x14 bus 01 prefmem

 1128 16:01:11.009322  PCI: 00:1c.0 20 <- [0x00d1000000 - 0x00d10fffff] size 0x00100000 gran 0x14 bus 01 mem

 1129 16:01:11.012455  PCI: 00:1c.0 assign_resources, bus 1 link: 0

 1130 16:01:11.022200  PCI: 01:00.0 10 <- [0x00d1000000 - 0x00d1001fff] size 0x00002000 gran 0x0d mem64

 1131 16:01:11.025664  PCI: 00:1c.0 assign_resources, bus 1 link: 0

 1132 16:01:11.035086  PCI: 00:1e.0 10 <- [0x00d1137000 - 0x00d1137fff] size 0x00001000 gran 0x0c mem64

 1133 16:01:11.041845  PCI: 00:1e.2 10 <- [0x00d1138000 - 0x00d1138fff] size 0x00001000 gran 0x0c mem64

 1134 16:01:11.045114  PCI: 00:1e.2 assign_resources, bus 4 link: 0

 1135 16:01:11.051773  PCI: 00:1e.2 assign_resources, bus 4 link: 0

 1136 16:01:11.058676  PCI: 00:1e.4 10 <- [0x00d1139000 - 0x00d1139fff] size 0x00001000 gran 0x0c mem64

 1137 16:01:11.068420  PCI: 00:1e.6 10 <- [0x00d113a000 - 0x00d113afff] size 0x00001000 gran 0x0c mem64

 1138 16:01:11.071238  PCI: 00:1f.0 assign_resources, bus 0 link: 0

 1139 16:01:11.078054  PCI: 00:1f.0 assign_resources, bus 0 link: 0

 1140 16:01:11.081303  LPC: Trying to open IO window from 800 size 1ff

 1141 16:01:11.088073  PCI: 00:1f.2 10 <- [0x00d1128000 - 0x00d112bfff] size 0x00004000 gran 0x0e mem

 1142 16:01:11.098100  PCI: 00:1f.3 10 <- [0x00d112c000 - 0x00d112ffff] size 0x00004000 gran 0x0e mem64

 1143 16:01:11.104326  PCI: 00:1f.3 20 <- [0x00d1110000 - 0x00d111ffff] size 0x00010000 gran 0x10 mem64

 1144 16:01:11.114627  PCI: 00:1f.4 10 <- [0x00d113c000 - 0x00d113c0ff] size 0x00000100 gran 0x08 mem64

 1145 16:01:11.120841  PCI: 00:1f.5 10 <- [0x00d113b000 - 0x00d113bfff] size 0x00001000 gran 0x0c mem

 1146 16:01:11.127629  DOMAIN: 0000 assign_resources, bus 0 link: 0

 1147 16:01:11.131409  Root Device assign_resources, bus 0 link: 0

 1148 16:01:11.133998  Done setting resources.

 1149 16:01:11.141228  Show resources in subtree (Root Device)...After assigning values.

 1150 16:01:11.145012   Root Device child on link 0 CPU_CLUSTER: 0

 1151 16:01:11.147578    CPU_CLUSTER: 0 child on link 0 APIC: 00

 1152 16:01:11.151222     APIC: 00

 1153 16:01:11.151345     APIC: 01

 1154 16:01:11.151432     APIC: 02

 1155 16:01:11.154136     APIC: 03

 1156 16:01:11.157330    DOMAIN: 0000 child on link 0 PCI: 00:00.0

 1157 16:01:11.167249    DOMAIN: 0000 resource base 1900 size 40 align 6 gran 0 limit ef9f flags 40040100 index 10000000

 1158 16:01:11.177248    DOMAIN: 0000 resource base c0000000 size 1113c100 align 28 gran 0 limit dfffffff flags 40040200 index 10000100

 1159 16:01:11.180351     PCI: 00:00.0

 1160 16:01:11.190340     PCI: 00:00.0 resource base e0000000 size 4000000 align 0 gran 0 limit 0 flags f0000200 index 0

 1161 16:01:11.200241     PCI: 00:00.0 resource base fed10000 size 8000 align 0 gran 0 limit 0 flags f0000200 index 1

 1162 16:01:11.210218     PCI: 00:00.0 resource base fed18000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 2

 1163 16:01:11.216749     PCI: 00:00.0 resource base fed19000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 3

 1164 16:01:11.227108     PCI: 00:00.0 resource base fed84000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 4

 1165 16:01:11.236864     PCI: 00:00.0 resource base fed80000 size 4000 align 0 gran 0 limit 0 flags f0000200 index 5

 1166 16:01:11.246573     PCI: 00:00.0 resource base fed90000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 6

 1167 16:01:11.256422     PCI: 00:00.0 resource base fed91000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 7

 1168 16:01:11.262707     PCI: 00:00.0 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 8

 1169 16:01:11.272702     PCI: 00:00.0 resource base c0000 size 7af40000 align 0 gran 0 limit 0 flags e0004200 index 9

 1170 16:01:11.282586     PCI: 00:00.0 resource base 7b000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index b

 1171 16:01:11.292705     PCI: 00:00.0 resource base 7b800000 size 4800000 align 0 gran 0 limit 0 flags f0000200 index c

 1172 16:01:11.302488     PCI: 00:00.0 resource base 100000000 size 7f000000 align 0 gran 0 limit 0 flags e0004200 index d

 1173 16:01:11.312151     PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index e

 1174 16:01:11.319192     PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index f

 1175 16:01:11.322593     PCI: 00:02.0

 1176 16:01:11.331998     PCI: 00:02.0 resource base d0000000 size 1000000 align 24 gran 24 limit d0ffffff flags 60000201 index 10

 1177 16:01:11.342017     PCI: 00:02.0 resource base c0000000 size 10000000 align 28 gran 28 limit cfffffff flags 60001201 index 18

 1178 16:01:11.352085     PCI: 00:02.0 resource base 1c00 size 40 align 6 gran 6 limit 1c3f flags 60000100 index 20

 1179 16:01:11.355448     PCI: 00:04.0

 1180 16:01:11.364935     PCI: 00:04.0 resource base d1120000 size 8000 align 15 gran 15 limit d1127fff flags 60000201 index 10

 1181 16:01:11.365021     PCI: 00:08.0

 1182 16:01:11.375070     PCI: 00:08.0 resource base d1130000 size 1000 align 12 gran 12 limit d1130fff flags 60000201 index 10

 1183 16:01:11.381497     PCI: 00:14.0 child on link 0 USB0 port 0

 1184 16:01:11.391645     PCI: 00:14.0 resource base d1100000 size 10000 align 16 gran 16 limit d110ffff flags 60000201 index 10

 1185 16:01:11.394978      USB0 port 0 child on link 0 USB2 port 0

 1186 16:01:11.398451       USB2 port 0

 1187 16:01:11.398534       USB2 port 1

 1188 16:01:11.401302       USB2 port 2

 1189 16:01:11.401385       USB2 port 4

 1190 16:01:11.404737       USB2 port 8

 1191 16:01:11.404820     PCI: 00:14.1

 1192 16:01:11.408202     PCI: 00:14.2

 1193 16:01:11.418521     PCI: 00:14.2 resource base d1131000 size 1000 align 12 gran 12 limit d1131fff flags 60000201 index 10

 1194 16:01:11.421164     PCI: 00:15.0 child on link 0 I2C: 01:5c

 1195 16:01:11.430900     PCI: 00:15.0 resource base d1132000 size 1000 align 12 gran 12 limit d1132fff flags 60000201 index 10

 1196 16:01:11.434523      I2C: 01:5c

 1197 16:01:11.437619     PCI: 00:15.1 child on link 0 I2C: 02:15

 1198 16:01:11.447652     PCI: 00:15.1 resource base d1133000 size 1000 align 12 gran 12 limit d1133fff flags 60000201 index 10

 1199 16:01:11.450710      I2C: 02:15

 1200 16:01:11.450806     PCI: 00:15.2

 1201 16:01:11.454280     PCI: 00:15.3

 1202 16:01:11.454365     PCI: 00:16.0

 1203 16:01:11.463896     PCI: 00:16.0 resource base d1134000 size 1000 align 12 gran 12 limit d1134fff flags 60000201 index 10

 1204 16:01:11.467617     PCI: 00:16.1

 1205 16:01:11.467718     PCI: 00:16.2

 1206 16:01:11.470580     PCI: 00:16.3

 1207 16:01:11.470663     PCI: 00:16.4

 1208 16:01:11.474056     PCI: 00:17.0

 1209 16:01:11.474141     PCI: 00:19.0

 1210 16:01:11.487162     PCI: 00:19.0 resource base fe034000 size 1000 align 12 gran 12 limit ffffffffffffffff flags c0000200 index 10

 1211 16:01:11.497022     PCI: 00:19.0 resource base d1135000 size 1000 align 12 gran 12 limit d1135fff flags 60000201 index 18

 1212 16:01:11.500467     PCI: 00:19.1 child on link 0 I2C: 03:39

 1213 16:01:11.509984     PCI: 00:19.1 resource base d1136000 size 1000 align 12 gran 12 limit d1136fff flags 60000201 index 10

 1214 16:01:11.513777      I2C: 03:39

 1215 16:01:11.513878      I2C: 03:3a

 1216 16:01:11.516693      I2C: 03:1a

 1217 16:01:11.516776     PCI: 00:19.2

 1218 16:01:11.523650     PCI: 00:1c.0 child on link 0 PCI: 01:00.0

 1219 16:01:11.529912     PCI: 00:1c.0 resource base ef9f size 0 align 12 gran 12 limit ef9f flags 60080102 index 1c

 1220 16:01:11.540236     PCI: 00:1c.0 resource base dfffffff size 0 align 20 gran 20 limit dfffffff flags 60081202 index 24

 1221 16:01:11.553047     PCI: 00:1c.0 resource base d1000000 size 100000 align 20 gran 20 limit d10fffff flags 60080202 index 20

 1222 16:01:11.553172      PCI: 01:00.0

 1223 16:01:11.562959      PCI: 01:00.0 resource base d1000000 size 2000 align 13 gran 13 limit d1001fff flags 60000201 index 10

 1224 16:01:11.567094     PCI: 00:1c.1

 1225 16:01:11.567181     PCI: 00:1c.2

 1226 16:01:11.570314     PCI: 00:1c.3

 1227 16:01:11.570396     PCI: 00:1c.4

 1228 16:01:11.572955     PCI: 00:1c.5

 1229 16:01:11.573038     PCI: 00:1c.6

 1230 16:01:11.576208     PCI: 00:1c.7

 1231 16:01:11.576291     PCI: 00:1d.0

 1232 16:01:11.579313     PCI: 00:1d.1

 1233 16:01:11.579396     PCI: 00:1d.2

 1234 16:01:11.582697     PCI: 00:1d.3

 1235 16:01:11.582780     PCI: 00:1e.0

 1236 16:01:11.592868     PCI: 00:1e.0 resource base d1137000 size 1000 align 12 gran 12 limit d1137fff flags 60000201 index 10

 1237 16:01:11.595951     PCI: 00:1e.1

 1238 16:01:11.599570     PCI: 00:1e.2 child on link 0 SPI: 00

 1239 16:01:11.609749     PCI: 00:1e.2 resource base d1138000 size 1000 align 12 gran 12 limit d1138fff flags 60000201 index 10

 1240 16:01:11.612450      SPI: 00

 1241 16:01:11.612535     PCI: 00:1e.3

 1242 16:01:11.616073     PCI: 00:1e.4

 1243 16:01:11.625519     PCI: 00:1e.4 resource base d1139000 size 1000 align 12 gran 12 limit d1139fff flags 60000201 index 10

 1244 16:01:11.625605     PCI: 00:1e.5

 1245 16:01:11.628846     PCI: 00:1e.6

 1246 16:01:11.639049     PCI: 00:1e.6 resource base d113a000 size 1000 align 12 gran 12 limit d113afff flags 60000201 index 10

 1247 16:01:11.642057     PCI: 00:1f.0 child on link 0 PNP: 0c09.0

 1248 16:01:11.652347     PCI: 00:1f.0 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0000100 index 0

 1249 16:01:11.652433      PNP: 0c09.0

 1250 16:01:11.661935      PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0

 1251 16:01:11.665360     PCI: 00:1f.1

 1252 16:01:11.665443     PCI: 00:1f.2

 1253 16:01:11.675215     PCI: 00:1f.2 resource base d1128000 size 4000 align 14 gran 14 limit d112bfff flags 60000200 index 10

 1254 16:01:11.685174     PCI: 00:1f.2 resource base fe000000 size 10000 align 0 gran 0 limit 0 flags d0000200 index 48

 1255 16:01:11.694950     PCI: 00:1f.2 resource base 1800 size 100 align 0 gran 0 limit 0 flags c0000100 index 40

 1256 16:01:11.695041     PCI: 00:1f.3

 1257 16:01:11.705071     PCI: 00:1f.3 resource base d112c000 size 4000 align 14 gran 14 limit d112ffff flags 60000201 index 10

 1258 16:01:11.718051     PCI: 00:1f.3 resource base d1110000 size 10000 align 16 gran 16 limit d111ffff flags 60000201 index 20

 1259 16:01:11.718150     PCI: 00:1f.4

 1260 16:01:11.727940     PCI: 00:1f.4 resource base efa0 size 20 align 0 gran 0 limit efbf flags f0000100 index 20

 1261 16:01:11.737808     PCI: 00:1f.4 resource base d113c000 size 100 align 12 gran 8 limit d113c0ff flags 60000201 index 10

 1262 16:01:11.737898     PCI: 00:1f.5

 1263 16:01:11.748197     PCI: 00:1f.5 resource base d113b000 size 1000 align 12 gran 12 limit d113bfff flags 60000200 index 10

 1264 16:01:11.751142     PCI: 00:1f.6

 1265 16:01:11.754513  Done allocating resources.

 1266 16:01:11.760663  BS: BS_DEV_RESOURCES times (us): entry 0 run 2113831 exit 29

 1267 16:01:11.760748  Enabling resources...

 1268 16:01:11.767786  PCI: 00:00.0 subsystem <- 8086/590c

 1269 16:01:11.767870  PCI: 00:00.0 cmd <- 06

 1270 16:01:11.771052  PCI: 00:02.0 subsystem <- 8086/591c

 1271 16:01:11.775017  PCI: 00:02.0 cmd <- 03

 1272 16:01:11.777624  PCI: 00:04.0 cmd <- 02

 1273 16:01:11.781107  PCI: 00:08.0 cmd <- 06

 1274 16:01:11.785095  PCI: 00:14.0 subsystem <- 8086/9d2f

 1275 16:01:11.787793  PCI: 00:14.0 cmd <- 02

 1276 16:01:11.790784  PCI: 00:14.2 subsystem <- 8086/9d31

 1277 16:01:11.790868  PCI: 00:14.2 cmd <- 02

 1278 16:01:11.797094  PCI: 00:15.0 subsystem <- 8086/9d60

 1279 16:01:11.797178  PCI: 00:15.0 cmd <- 06

 1280 16:01:11.800430  PCI: 00:15.1 subsystem <- 8086/9d61

 1281 16:01:11.804176  PCI: 00:15.1 cmd <- 06

 1282 16:01:11.807290  PCI: 00:16.0 subsystem <- 8086/9d3a

 1283 16:01:11.810565  PCI: 00:16.0 cmd <- 02

 1284 16:01:11.813670  PCI: 00:19.0 subsystem <- 8086/9d66

 1285 16:01:11.817098  PCI: 00:19.0 cmd <- 06

 1286 16:01:11.820575  PCI: 00:19.1 subsystem <- 8086/9d65

 1287 16:01:11.823678  PCI: 00:19.1 cmd <- 06

 1288 16:01:11.827060  PCI: 00:1c.0 bridge ctrl <- 0003

 1289 16:01:11.830430  PCI: 00:1c.0 subsystem <- 8086/9d10

 1290 16:01:11.833664  PCI: 00:1c.0 cmd <- 06

 1291 16:01:11.836943  PCI: 00:1e.0 subsystem <- 8086/9d27

 1292 16:01:11.837039  PCI: 00:1e.0 cmd <- 06

 1293 16:01:11.843192  PCI: 00:1e.2 subsystem <- 8086/9d29

 1294 16:01:11.843311  PCI: 00:1e.2 cmd <- 06

 1295 16:01:11.846924  PCI: 00:1e.4 subsystem <- 8086/9d2b

 1296 16:01:11.850055  PCI: 00:1e.4 cmd <- 06

 1297 16:01:11.853185  PCI: 00:1e.6 subsystem <- 8086/9d2d

 1298 16:01:11.856623  PCI: 00:1e.6 cmd <- 06

 1299 16:01:11.859698  PCI: 00:1f.0 subsystem <- 8086/9d4b

 1300 16:01:11.863071  PCI: 00:1f.0 cmd <- 407

 1301 16:01:11.866071  PCI: 00:1f.2 subsystem <- 8086/9d21

 1302 16:01:11.869499  PCI: 00:1f.2 cmd <- 02

 1303 16:01:11.873174  PCI: 00:1f.3 subsystem <- 8086/9d71

 1304 16:01:11.875991  PCI: 00:1f.3 cmd <- 02

 1305 16:01:11.879444  PCI: 00:1f.4 subsystem <- 8086/9d23

 1306 16:01:11.883009  PCI: 00:1f.4 cmd <- 03

 1307 16:01:11.885656  PCI: 00:1f.5 subsystem <- 8086/9d24

 1308 16:01:11.885739  PCI: 00:1f.5 cmd <- 406

 1309 16:01:11.895404  PCI: 01:00.0 subsystem <- 8086/095a

 1310 16:01:11.895488  PCI: 01:00.0 cmd <- 02

 1311 16:01:11.899551  done.

 1312 16:01:11.917487  ME: Version : 11.8.50.3470

 1313 16:01:11.923904  BS: BS_DEV_ENABLE times (us): entry 228 run 139293 exit 19498

 1314 16:01:11.926917  Initializing devices...

 1315 16:01:11.930075  Root Device init ...

 1316 16:01:11.933973  Chrome EC: Set SMI mask to 0x0000000000000001

 1317 16:01:11.940698  Chrome EC: Set S5 LAZY WAKE mask to 0x0000000000000006

 1318 16:01:11.947263  Chrome EC: Set S3 LAZY WAKE mask to 0x0000000010001006

 1319 16:01:11.950395  Chrome EC: Set S0iX LAZY WAKE mask to 0x0000000010001006

 1320 16:01:11.957320  Chrome EC: Set WAKE mask to 0x0000000000000000

 1321 16:01:11.960433  Root Device init finished in 30856 usecs

 1322 16:01:11.963581  CPU_CLUSTER: 0 init ...

 1323 16:01:11.966802  CPU_CLUSTER: 0 init finished in 2443 usecs

 1324 16:01:11.971523  PCI: 00:00.0 init ...

 1325 16:01:11.974598  CPU TDP: 5 Watts

 1326 16:01:11.978244  CPU PL2 = 18 Watts

 1327 16:01:11.981246  PCI: 00:00.0 init finished in 6974 usecs

 1328 16:01:11.984471  PCI: 00:02.0 init ...

 1329 16:01:11.987853  PCI: 00:02.0 init finished in 2249 usecs

 1330 16:01:11.991621  PCI: 00:04.0 init ...

 1331 16:01:11.994511  PCI: 00:04.0 init finished in 2247 usecs

 1332 16:01:11.997544  PCI: 00:08.0 init ...

 1333 16:01:12.000796  PCI: 00:08.0 init finished in 2247 usecs

 1334 16:01:12.004453  PCI: 00:14.0 init ...

 1335 16:01:12.007203  PCI: 00:14.0 init finished in 2247 usecs

 1336 16:01:12.011054  PCI: 00:14.2 init ...

 1337 16:01:12.014359  PCI: 00:14.2 init finished in 2247 usecs

 1338 16:01:12.017156  PCI: 00:15.0 init ...

 1339 16:01:12.020901  DW I2C bus 0 at 0xd1132000 (400 KHz)

 1340 16:01:12.023949  PCI: 00:15.0 init finished in 5965 usecs

 1341 16:01:12.027452  PCI: 00:15.1 init ...

 1342 16:01:12.030394  DW I2C bus 1 at 0xd1133000 (400 KHz)

 1343 16:01:12.034044  PCI: 00:15.1 init finished in 5966 usecs

 1344 16:01:12.037090  PCI: 00:16.0 init ...

 1345 16:01:12.040199  PCI: 00:16.0 init finished in 2249 usecs

 1346 16:01:12.044687  PCI: 00:19.1 init ...

 1347 16:01:12.048305  DW I2C bus 5 at 0xd1136000 (400 KHz)

 1348 16:01:12.054943  PCI: 00:19.1 init finished in 5965 usecs

 1349 16:01:12.055027  PCI: 00:1c.0 init ...

 1350 16:01:12.057507  Initializing PCH PCIe bridge.

 1351 16:01:12.064266  PCI: 00:1c.0 init finished in 5287 usecs

 1352 16:01:12.068233  PCI: 00:1e.4 init ...

 1353 16:01:12.071186  PCI: 00:1e.4 init finished in 2248 usecs

 1354 16:01:12.075738  PCI: 00:1f.0 init ...

 1355 16:01:12.078393  IOAPIC: Initializing IOAPIC at 0xfec00000

 1356 16:01:12.085350  IOAPIC: Bootstrap Processor Local APIC = 0x00

 1357 16:01:12.085434  IOAPIC: ID = 0x02

 1358 16:01:12.088303  IOAPIC: Dumping registers

 1359 16:01:12.091606    reg 0x0000: 0x02000000

 1360 16:01:12.094873    reg 0x0001: 0x00770020

 1361 16:01:12.098020    reg 0x0002: 0x00000000

 1362 16:01:12.101835  PCI: 00:1f.0 init finished in 23466 usecs

 1363 16:01:12.104731  PCI: 00:1f.2 init ...

 1364 16:01:12.104814  RTC Init

 1365 16:01:12.107964  Set power on after power failure.

 1366 16:01:12.111043  Disabling ACPI via APMC:

 1367 16:01:12.116047  done.

 1368 16:01:12.116131  Disabling Deep S3

 1369 16:01:12.119912  Disabling Deep S3

 1370 16:01:12.119993  Enabling Deep S4

 1371 16:01:12.123276  Enabling Deep S4

 1372 16:01:12.123362  Enabling Deep S5

 1373 16:01:12.126754  Enabling Deep S5

 1374 16:01:12.129874  PCI: 00:1f.2 init finished in 23952 usecs

 1375 16:01:12.133363  PCI: 00:1f.4 init ...

 1376 16:01:12.136240  PCI: 00:1f.4 init finished in 2258 usecs

 1377 16:01:12.141053  PCI: 01:00.0 init ...

 1378 16:01:12.144940  PCI: 01:00.0 init finished in 2392 usecs

 1379 16:01:12.148569  PNP: 0c09.0 init ...

 1380 16:01:12.154898  Google Chrome EC: Hello got back 11223344 status (0)

 1381 16:01:12.158418  Google Chrome EC: version:

 1382 16:01:12.161416      ro: rammus_v2.0.387-f0df0fe2e

 1383 16:01:12.165020      rw: rammus_v2.0.425-6e0dd622e

 1384 16:01:12.168248    running image: 1

 1385 16:01:12.171466  EC returned error result code 1

 1386 16:01:12.174714  PNP: 0c09.0 init finished in 24409 usecs

 1387 16:01:12.178465  Devices initialized

 1388 16:01:12.181233  Show all devs... After init.

 1389 16:01:12.181313  Root Device: enabled 1

 1390 16:01:12.185199  CPU_CLUSTER: 0: enabled 1

 1391 16:01:12.187796  DOMAIN: 0000: enabled 1

 1392 16:01:12.187876  APIC: 00: enabled 1

 1393 16:01:12.191038  PCI: 00:00.0: enabled 1

 1394 16:01:12.194510  PCI: 00:02.0: enabled 1

 1395 16:01:12.197956  PCI: 00:14.0: enabled 1

 1396 16:01:12.198036  PCI: 00:14.1: enabled 0

 1397 16:01:12.200993  PCI: 00:14.2: enabled 1

 1398 16:01:12.204317  PCI: 00:15.0: enabled 1

 1399 16:01:12.207381  PCI: 00:15.1: enabled 1

 1400 16:01:12.207462  PCI: 00:15.2: enabled 0

 1401 16:01:12.210947  PCI: 00:15.3: enabled 0

 1402 16:01:12.214215  PCI: 00:16.0: enabled 1

 1403 16:01:12.217422  PCI: 00:16.1: enabled 0

 1404 16:01:12.217503  PCI: 00:16.2: enabled 0

 1405 16:01:12.221031  PCI: 00:16.3: enabled 0

 1406 16:01:12.224161  PCI: 00:16.4: enabled 0

 1407 16:01:12.227732  PCI: 00:17.0: enabled 0

 1408 16:01:12.227813  PCI: 00:19.0: enabled 1

 1409 16:01:12.230481  PCI: 00:19.1: enabled 1

 1410 16:01:12.234378  PCI: 00:19.2: enabled 0

 1411 16:01:12.237425  PCI: 00:1c.0: enabled 1

 1412 16:01:12.237505  PCI: 00:1c.1: enabled 0

 1413 16:01:12.240630  PCI: 00:1c.2: enabled 0

 1414 16:01:12.244146  PCI: 00:1c.3: enabled 0

 1415 16:01:12.246879  PCI: 00:1c.4: enabled 0

 1416 16:01:12.246987  PCI: 00:1c.5: enabled 0

 1417 16:01:12.250189  PCI: 00:1c.6: enabled 0

 1418 16:01:12.253574  PCI: 00:1c.7: enabled 0

 1419 16:01:12.253654  PCI: 00:1d.0: enabled 0

 1420 16:01:12.257181  PCI: 00:1d.1: enabled 0

 1421 16:01:12.260505  PCI: 00:1d.2: enabled 0

 1422 16:01:12.263428  PCI: 00:1d.3: enabled 0

 1423 16:01:12.263510  PCI: 00:1e.0: enabled 1

 1424 16:01:12.266469  PCI: 00:1e.1: enabled 0

 1425 16:01:12.269789  PCI: 00:1e.2: enabled 1

 1426 16:01:12.273074  PCI: 00:1e.3: enabled 0

 1427 16:01:12.273156  PCI: 00:1e.4: enabled 1

 1428 16:01:12.276416  PCI: 00:1e.5: enabled 0

 1429 16:01:12.279706  PCI: 00:1e.6: enabled 1

 1430 16:01:12.283267  PCI: 00:1f.0: enabled 1

 1431 16:01:12.283349  PCI: 00:1f.1: enabled 0

 1432 16:01:12.286407  PCI: 00:1f.2: enabled 1

 1433 16:01:12.289704  PCI: 00:1f.3: enabled 1

 1434 16:01:12.292936  PCI: 00:1f.4: enabled 1

 1435 16:01:12.293018  PCI: 00:1f.5: enabled 1

 1436 16:01:12.296258  PCI: 00:1f.6: enabled 0

 1437 16:01:12.299571  USB0 port 0: enabled 1

 1438 16:01:12.299653  I2C: 01:5c: enabled 1

 1439 16:01:12.303132  I2C: 02:15: enabled 1

 1440 16:01:12.305806  I2C: 03:39: enabled 1

 1441 16:01:12.309514  I2C: 03:3a: enabled 1

 1442 16:01:12.309596  I2C: 03:1a: enabled 1

 1443 16:01:12.313092  PCI: 01:00.0: enabled 1

 1444 16:01:12.316106  SPI: 00: enabled 1

 1445 16:01:12.316188  PNP: 0c09.0: enabled 1

 1446 16:01:12.319043  USB2 port 0: enabled 1

 1447 16:01:12.322696  USB2 port 1: enabled 1

 1448 16:01:12.322778  USB2 port 2: enabled 1

 1449 16:01:12.325880  USB2 port 4: enabled 1

 1450 16:01:12.329207  USB2 port 8: enabled 1

 1451 16:01:12.329289  APIC: 01: enabled 1

 1452 16:01:12.332319  APIC: 02: enabled 1

 1453 16:01:12.336079  APIC: 03: enabled 1

 1454 16:01:12.336162  PCI: 00:04.0: enabled 1

 1455 16:01:12.338909  PCI: 00:08.0: enabled 1

 1456 16:01:12.345193  FMAP: area RW_ELOG found @ 9f0000 (16384 bytes)

 1457 16:01:12.348711  ELOG: NV offset 0x9f0000 size 0x4000

 1458 16:01:12.355389  ELOG: area is 4096 bytes, full threshold 3842, shrink size 1024

 1459 16:01:12.361990  ELOG: Event(17) added with size 13 at 2023-05-30 16:01:12 UTC

 1460 16:01:12.368551  POST: Unexpected post code in previous boot: 0x34

 1461 16:01:12.374899  ELOG: Event(A3) added with size 11 at 2023-05-30 16:01:12 UTC

 1462 16:01:12.381661  ELOG: Event(92) added with size 9 at 2023-05-30 16:01:12 UTC

 1463 16:01:12.387955  ELOG: Event(9A) added with size 9 at 2023-05-30 16:01:12 UTC

 1464 16:01:12.391444  ELOG: Event(AD) added with size 10 at 2023-05-30 16:01:12 UTC

 1465 16:01:12.397869  ELOG: Event(9F) added with size 14 at 2023-05-30 16:01:12 UTC

 1466 16:01:12.404672  BS: BS_DEV_INIT times (us): entry 0 run 417179 exit 60032

 1467 16:01:12.411212  ELOG: Event(A1) added with size 10 at 2023-05-30 16:01:12 UTC

 1468 16:01:12.421176  elog_add_boot_reason: Logged recovery mode boot (Dev-switch on), reason: 0x1b

 1469 16:01:12.427731  ELOG: Event(A0) added with size 9 at 2023-05-30 16:01:12 UTC

 1470 16:01:12.430971  elog_add_boot_reason: Logged dev mode boot

 1471 16:01:12.431184  Finalize devices...

 1472 16:01:12.434152  Devices finalized

 1473 16:01:12.440794  FMAP: area RW_NVRAM found @ 9fa000 (24576 bytes)

 1474 16:01:12.444039  BS: BS_POST_DEVICE times (us): entry 25556 run 3967 exit 5192

 1475 16:01:12.450932  BS: BS_OS_RESUME_CHECK times (us): entry 0 run 55 exit 0

 1476 16:01:12.457550  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

 1477 16:01:12.460403  CBFS: Locating 'fallback/dsdt.aml'

 1478 16:01:12.464225  CBFS: Found @ offset 19af40 size 4691

 1479 16:01:12.470600  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

 1480 16:01:12.473507  CBFS: Locating 'fallback/slic'

 1481 16:01:12.482018  CBFS: 'fallback/slic' not found.

 1482 16:01:12.485417  ACPI: Writing ACPI tables at 7aa9a000.

 1483 16:01:12.485657  ACPI:    * FACS

 1484 16:01:12.488426  ACPI:    * DSDT

 1485 16:01:12.491722  Ramoops buffer: 0x100000@0x7a999000.

 1486 16:01:12.494693  SGX: not enabled or not supported. skip gnvs fill

 1487 16:01:12.500359  ACPI:    * FADT

 1488 16:01:12.500515  SCI is IRQ9

 1489 16:01:12.507425  ACPI: added table 1/32, length now 40

 1490 16:01:12.507560  ACPI:     * SSDT

 1491 16:01:12.510110  Found 1 CPU(s) with 4 core(s) each.

 1492 16:01:12.516557  \_SB.PCI0.I2C0.H05C: SISC Touchscreen at I2C: 01:5c

 1493 16:01:12.519585  \_SB.PCI0.I2C1.D015: ELAN Touchpad at I2C: 02:15

 1494 16:01:12.526568  \_SB.PCI0.I2C5.MAXR: Maxim MAX98927 Codec address 039h

 1495 16:01:12.532832  \_SB.PCI0.I2C5.MAXL: Maxim MAX98927 Codec address 03ah

 1496 16:01:12.539561  \_SB.PCI0.I2C5.DLG7: Dialog Semiconductor DA7219 Audio Codec address 01ah irq 105

 1497 16:01:12.542665  Error: Could not locate 'wifi_sar' in VPD.

 1498 16:01:12.549196  Error: failed from getting SAR limits!

 1499 16:01:12.552481  \_SB.PCI0.RP01.WIFI: Intel WiFi PCI: 01:00.0

 1500 16:01:12.556087  \_SB.PCI0.SPI0.S001: SPI Device at SPI: 00

 1501 16:01:12.562219  \_SB.PCI0.XHCI.RHUB.HS01: USB Type C Port 1 at USB2 port 0

 1502 16:01:12.569433  \_SB.PCI0.XHCI.RHUB.HS02: USB Type A Port 1 at USB2 port 1

 1503 16:01:12.572497  \_SB.PCI0.XHCI.RHUB.HS03: Bluetooth at USB2 port 2

 1504 16:01:12.578983  \_SB.PCI0.XHCI.RHUB.HS05: USB Type C Port 2 at USB2 port 4

 1505 16:01:12.582285  \_SB.PCI0.XHCI.RHUB.HS09: Camera at USB2 port 8

 1506 16:01:12.588888  ACPI: added table 2/32, length now 44

 1507 16:01:12.588971  ACPI:    * MCFG

 1508 16:01:12.592191  ACPI: added table 3/32, length now 48

 1509 16:01:12.595082  ACPI:    * TPM2

 1510 16:01:12.598853  ACPI: added table 4/32, length now 52

 1511 16:01:12.598934  ACPI:    * MADT

 1512 16:01:12.601666  SCI is IRQ9

 1513 16:01:12.605120  ACPI: added table 5/32, length now 56

 1514 16:01:12.608657  current = 7aa9fa60

 1515 16:01:12.611565  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

 1516 16:01:12.618394  CBFS: Locating 'dmic-4ch-48khz-16b.bin'

 1517 16:01:12.621465  CBFS: Found @ offset 167000 size ba8

 1518 16:01:12.627987  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

 1519 16:01:12.631564  CBFS: Locating 'dmic-4ch-48khz-32b.bin'

 1520 16:01:12.634518  CBFS: Found @ offset 19f640 size ba8

 1521 16:01:12.641168  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

 1522 16:01:12.644694  CBFS: Locating 'dialog-2ch-48khz-24b.bin'

 1523 16:01:12.647724  CBFS: Found @ offset 167cc0 size 64

 1524 16:01:12.654693  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

 1525 16:01:12.660946  CBFS: Locating 'dialog-2ch-48khz-24b.bin'

 1526 16:01:12.664253  CBFS: Found @ offset 167cc0 size 64

 1527 16:01:12.670686  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

 1528 16:01:12.674007  CBFS: Locating 'max98927-render-2ch-48khz-24b.bin'

 1529 16:01:12.677223  CBFS: Found @ offset 167c00 size 64

 1530 16:01:12.684385  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

 1531 16:01:12.690748  CBFS: Locating 'max98927-render-2ch-48khz-16b.bin'

 1532 16:01:12.693928  CBFS: Found @ offset 103f00 size 64

 1533 16:01:12.697285  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

 1534 16:01:12.704330  CBFS: Locating 'max98927-render-2ch-48khz-16b.bin'

 1535 16:01:12.707347  CBFS: Found @ offset 103f00 size 64

 1536 16:01:12.710515  ACPI:    * NHLT

 1537 16:01:12.714056  ACPI: added table 6/32, length now 60

 1538 16:01:12.714139  ACPI:    * DMAR

 1539 16:01:12.716745  ACPI: added table 7/32, length now 64

 1540 16:01:12.720074  ACPI: * IGD OpRegion

 1541 16:01:12.723485  GMA: Found VBT in CBFS

 1542 16:01:12.726497  GMA: Found valid VBT in CBFS

 1543 16:01:12.726581  current = 7aaa3610

 1544 16:01:12.730243  ACPI: added table 8/32, length now 68

 1545 16:01:12.733283  ACPI:    * HPET

 1546 16:01:12.736787  ACPI: added table 9/32, length now 72

 1547 16:01:12.736870  ACPI: done.

 1548 16:01:12.740028  ACPI tables: 38592 bytes.

 1549 16:01:12.743480  smbios_write_tables: 7a998000

 1550 16:01:12.746776  Create SMBIOS type 17

 1551 16:01:12.750394  PCI: 01:00.0 (Intel WiFi)

 1552 16:01:12.753260  SMBIOS tables: 662 bytes.

 1553 16:01:12.756609  Writing table forward entry at 0x00000500

 1554 16:01:12.762933  Wrote coreboot table at: 00000500, 0x10 bytes, checksum a532

 1555 16:01:12.766439  Writing coreboot table at 0x7aabe000

 1556 16:01:12.772966   0. 0000000000000000-0000000000000fff: CONFIGURATION TABLES

 1557 16:01:12.776091   1. 0000000000001000-000000000009ffff: RAM

 1558 16:01:12.779315   2. 00000000000a0000-00000000000fffff: RESERVED

 1559 16:01:12.786086   3. 0000000000100000-000000007a997fff: RAM

 1560 16:01:12.792869   4. 000000007a998000-000000007ab05fff: CONFIGURATION TABLES

 1561 16:01:12.796158   5. 000000007ab06000-000000007abcffff: RAMSTAGE

 1562 16:01:12.802492   6. 000000007abd0000-000000007affffff: CONFIGURATION TABLES

 1563 16:01:12.805903   7. 000000007b000000-000000007fffffff: RESERVED

 1564 16:01:12.812527   8. 00000000e0000000-00000000e3ffffff: RESERVED

 1565 16:01:12.815759   9. 00000000fe000000-00000000fe00ffff: RESERVED

 1566 16:01:12.822761  10. 00000000fed10000-00000000fed19fff: RESERVED

 1567 16:01:12.825665  11. 00000000fed80000-00000000fed84fff: RESERVED

 1568 16:01:12.829087  12. 00000000fed90000-00000000fed91fff: RESERVED

 1569 16:01:12.835961  13. 0000000100000000-000000017effffff: RAM

 1570 16:01:12.839225  Graphics framebuffer located at 0xc0000000

 1571 16:01:12.842333  Passing 6 GPIOs to payload:

 1572 16:01:12.848638              NAME |       PORT | POLARITY |     VALUE

 1573 16:01:12.851932     write protect |  undefined |     high |       low

 1574 16:01:12.858597          recovery |  undefined |     high |       low

 1575 16:01:12.862289               lid |  undefined |     high |      high

 1576 16:01:12.869052             power |  undefined |     high |       low

 1577 16:01:12.875117             oprom |  undefined |     high |       low

 1578 16:01:12.879252          EC in RW | 0x00000036 |     high |       low

 1579 16:01:12.881857  Board ID: 6

 1580 16:01:12.888234  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

 1581 16:01:12.891444  Wrote coreboot table at: 7aabe000, 0x5a4 bytes, checksum 17c2

 1582 16:01:12.895180  coreboot table: 1468 bytes.

 1583 16:01:12.898015  IMD ROOT    0. 7afff000 00001000

 1584 16:01:12.901365  IMD SMALL   1. 7affe000 00001000

 1585 16:01:12.905234  FSP MEMORY  2. 7abfe000 00400000

 1586 16:01:12.907899  CONSOLE     3. 7abde000 00020000

 1587 16:01:12.911234  TIME STAMP  4. 7abdd000 00000910

 1588 16:01:12.914520  VBOOT       5. 7abdc000 00000c0c

 1589 16:01:12.917829  MRC DATA    6. 7abda000 00001878

 1590 16:01:12.921030  ROMSTG STCK 7. 7abd9000 00000400

 1591 16:01:12.924568  AFTER CAR   8. 7abd0000 00009000

 1592 16:01:12.927576  RAMSTAGE    9. 7ab05000 000cb000

 1593 16:01:12.931160  REFCODE    10. 7aad6000 0002f000

 1594 16:01:12.934009  SMM BACKUP 11. 7aac6000 00010000

 1595 16:01:12.940652  COREBOOT   12. 7aabe000 00008000

 1596 16:01:12.944831  ACPI       13. 7aa9a000 00024000

 1597 16:01:12.947433  ACPI GNVS  14. 7aa99000 00001000

 1598 16:01:12.950810  RAMOOPS    15. 7a999000 00100000

 1599 16:01:12.953561  SMBIOS     16. 7a998000 00000800

 1600 16:01:12.953643  IMD small region:

 1601 16:01:12.957461    IMD ROOT    0. 7affec00 00000400

 1602 16:01:12.960438    FSP RUNTIME 1. 7affebe0 00000004

 1603 16:01:12.963441    VBOOT SEL   2. 7affebc0 00000008

 1604 16:01:12.966777    EC HOSTEVENT 3. 7affeba0 00000008

 1605 16:01:12.973578    POWER STATE 4. 7affeb60 00000040

 1606 16:01:12.976611    ROMSTAGE    5. 7affeb40 00000004

 1607 16:01:12.980268    MEM INFO    6. 7affe980 000001a9

 1608 16:01:12.983441    VPD         7. 7affe920 00000047

 1609 16:01:12.986739    COREBOOTFWD 8. 7affe8e0 00000028

 1610 16:01:12.990378  MTRR: Physical address space:

 1611 16:01:12.996713  0x0000000000000000 - 0x00000000000a0000 size 0x000a0000 type 6

 1612 16:01:13.000192  0x00000000000a0000 - 0x00000000000c0000 size 0x00020000 type 0

 1613 16:01:13.006432  0x00000000000c0000 - 0x000000007b800000 size 0x7b740000 type 6

 1614 16:01:13.013243  0x000000007b800000 - 0x00000000c0000000 size 0x44800000 type 0

 1615 16:01:13.020197  0x00000000c0000000 - 0x00000000d0000000 size 0x10000000 type 1

 1616 16:01:13.026383  0x00000000d0000000 - 0x0000000100000000 size 0x30000000 type 0

 1617 16:01:13.032847  0x0000000100000000 - 0x000000017f000000 size 0x7f000000 type 6

 1618 16:01:13.036163  MTRR: Fixed MSR 0x250 0x0606060606060606

 1619 16:01:13.039564  MTRR: Fixed MSR 0x258 0x0606060606060606

 1620 16:01:13.045975  MTRR: Fixed MSR 0x259 0x0000000000000000

 1621 16:01:13.049271  MTRR: Fixed MSR 0x268 0x0606060606060606

 1622 16:01:13.052544  MTRR: Fixed MSR 0x269 0x0606060606060606

 1623 16:01:13.055809  MTRR: Fixed MSR 0x26a 0x0606060606060606

 1624 16:01:13.062815  MTRR: Fixed MSR 0x26b 0x0606060606060606

 1625 16:01:13.065694  MTRR: Fixed MSR 0x26c 0x0606060606060606

 1626 16:01:13.069036  MTRR: Fixed MSR 0x26d 0x0606060606060606

 1627 16:01:13.072609  MTRR: Fixed MSR 0x26e 0x0606060606060606

 1628 16:01:13.076049  MTRR: Fixed MSR 0x26f 0x0606060606060606

 1629 16:01:13.080405  call enable_fixed_mtrr()

 1630 16:01:13.084170  CPU physical address size: 39 bits

 1631 16:01:13.090323  MTRR: default type WB/UC MTRR counts: 6/5.

 1632 16:01:13.093864  MTRR: UC selected as default type.

 1633 16:01:13.099959  MTRR: 0 base 0x0000000000000000 mask 0x0000007f80000000 type 6

 1634 16:01:13.103405  MTRR: 1 base 0x000000007b800000 mask 0x0000007fff800000 type 0

 1635 16:01:13.110082  MTRR: 2 base 0x000000007c000000 mask 0x0000007ffc000000 type 0

 1636 16:01:13.116609  MTRR: 3 base 0x00000000c0000000 mask 0x0000007ff0000000 type 1

 1637 16:01:13.123218  MTRR: 4 base 0x0000000100000000 mask 0x0000007f80000000 type 6

 1638 16:01:13.126734  

 1639 16:01:13.126817  MTRR check

 1640 16:01:13.130108  Fixed MTRRs   : Enabled

 1641 16:01:13.130194  Variable MTRRs: Enabled

 1642 16:01:13.130261  

 1643 16:01:13.136893  MTRR: Fixed MSR 0x250 0x0606060606060606

 1644 16:01:13.139949  MTRR: Fixed MSR 0x258 0x0606060606060606

 1645 16:01:13.143208  MTRR: Fixed MSR 0x259 0x0000000000000000

 1646 16:01:13.146911  MTRR: Fixed MSR 0x268 0x0606060606060606

 1647 16:01:13.153550  MTRR: Fixed MSR 0x269 0x0606060606060606

 1648 16:01:13.156491  MTRR: Fixed MSR 0x26a 0x0606060606060606

 1649 16:01:13.159893  MTRR: Fixed MSR 0x26b 0x0606060606060606

 1650 16:01:13.163126  MTRR: Fixed MSR 0x26c 0x0606060606060606

 1651 16:01:13.170120  MTRR: Fixed MSR 0x26d 0x0606060606060606

 1652 16:01:13.172578  MTRR: Fixed MSR 0x26e 0x0606060606060606

 1653 16:01:13.176256  MTRR: Fixed MSR 0x26f 0x0606060606060606

 1654 16:01:13.182767  BS: BS_WRITE_TABLES times (us): entry 0 run 537419 exit 146328

 1655 16:01:13.186141  call enable_fixed_mtrr()

 1656 16:01:13.192642  CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0)

 1657 16:01:13.196182  CPU physical address size: 39 bits

 1658 16:01:13.199684  CBFS: Locating 'fallback/payload'

 1659 16:01:13.202853  MTRR: Fixed MSR 0x250 0x0606060606060606

 1660 16:01:13.205771  MTRR: Fixed MSR 0x250 0x0606060606060606

 1661 16:01:13.212519  MTRR: Fixed MSR 0x258 0x0606060606060606

 1662 16:01:13.215846  MTRR: Fixed MSR 0x259 0x0000000000000000

 1663 16:01:13.218994  MTRR: Fixed MSR 0x268 0x0606060606060606

 1664 16:01:13.222601  MTRR: Fixed MSR 0x269 0x0606060606060606

 1665 16:01:13.229089  MTRR: Fixed MSR 0x26a 0x0606060606060606

 1666 16:01:13.232077  MTRR: Fixed MSR 0x26b 0x0606060606060606

 1667 16:01:13.235218  MTRR: Fixed MSR 0x26c 0x0606060606060606

 1668 16:01:13.238846  MTRR: Fixed MSR 0x26d 0x0606060606060606

 1669 16:01:13.245197  MTRR: Fixed MSR 0x26e 0x0606060606060606

 1670 16:01:13.248379  MTRR: Fixed MSR 0x26f 0x0606060606060606

 1671 16:01:13.251880  MTRR: Fixed MSR 0x258 0x0606060606060606

 1672 16:01:13.258336  MTRR: Fixed MSR 0x259 0x0000000000000000

 1673 16:01:13.261677  MTRR: Fixed MSR 0x268 0x0606060606060606

 1674 16:01:13.264883  MTRR: Fixed MSR 0x269 0x0606060606060606

 1675 16:01:13.268509  MTRR: Fixed MSR 0x26a 0x0606060606060606

 1676 16:01:13.274984  MTRR: Fixed MSR 0x26b 0x0606060606060606

 1677 16:01:13.278161  MTRR: Fixed MSR 0x26c 0x0606060606060606

 1678 16:01:13.281494  MTRR: Fixed MSR 0x26d 0x0606060606060606

 1679 16:01:13.285311  MTRR: Fixed MSR 0x26e 0x0606060606060606

 1680 16:01:13.288091  MTRR: Fixed MSR 0x26f 0x0606060606060606

 1681 16:01:13.291431  call enable_fixed_mtrr()

 1682 16:01:13.294521  call enable_fixed_mtrr()

 1683 16:01:13.297732  CPU physical address size: 39 bits

 1684 16:01:13.304186  CPU physical address size: 39 bits

 1685 16:01:13.307424  CBFS: Found @ offset 223040 size 360b4

 1686 16:01:13.310808  Checking segment from ROM address 0xfff23078

 1687 16:01:13.314185  Checking segment from ROM address 0xfff23094

 1688 16:01:13.320508  Loading segment from ROM address 0xfff23078

 1689 16:01:13.324062    code (compression=0)

 1690 16:01:13.331007    New segment dstaddr 0x30104020 memsize 0x64d8b0 srcaddr 0xfff230b0 filesize 0x3607c

 1691 16:01:13.340371  Loading Segment: addr: 0x30104020 memsz: 0x000000000064d8b0 filesz: 0x000000000003607c

 1692 16:01:13.340454  it's not compressed!

 1693 16:01:13.426659  [ 0x30104020, 3013a09c, 0x307518d0) <- fff230b0

 1694 16:01:13.433610  Clearing Segment: addr: 0x000000003013a09c memsz: 0x0000000000617834

 1695 16:01:13.439860  Loading segment from ROM address 0xfff23094

 1696 16:01:13.439943    Entry Point 0x30104020

 1697 16:01:13.442880  Loaded segments

 1698 16:01:13.468040  Finalizing chipset.

 1699 16:01:13.474978  ME: Host Firmware Status Register 1 : 0x90000245

 1700 16:01:13.478182  ME: Host Firmware Status Register 2 : 0x6B000306

 1701 16:01:13.484952  ME: Host Firmware Status Register 3 : 0x00000020

 1702 16:01:13.488123  ME: Host Firmware Status Register 4 : 0x00084000

 1703 16:01:13.491870  ME: Host Firmware Status Register 5 : 0x00000000

 1704 16:01:13.498003  ME: Host Firmware Status Register 6 : 0x40000002

 1705 16:01:13.501074  ME: FW Partition Table      : OK

 1706 16:01:13.504291  ME: Bringup Loader Failure  : NO

 1707 16:01:13.508468  ME: Firmware Init Complete  : YES

 1708 16:01:13.511095  ME: Manufacturing Mode      : NO

 1709 16:01:13.514377  ME: Boot Options Present    : NO

 1710 16:01:13.517798  ME: Update In Progress      : NO

 1711 16:01:13.520941  ME: D3 Support              : NO

 1712 16:01:13.524133  ME: D0i3 Support            : YES

 1713 16:01:13.527711  ME: Low Power State Enabled : YES

 1714 16:01:13.530826  ME: CPU Replaced            : NO

 1715 16:01:13.534183  ME: CPU Replacement Valid   : YES

 1716 16:01:13.537114  ME: Current Working State   : Normal

 1717 16:01:13.543863  ME: Current Operation State : M0 with UMA

 1718 16:01:13.547610  ME: Current Operation Mode  : Normal

 1719 16:01:13.550299  ME: Error Code              : No Error

 1720 16:01:13.553937  ME: Progress Phase          : Host Communication

 1721 16:01:13.560315  ME: Power Management Event  : Power cycle reset through Moff

 1722 16:01:13.567160  ME: Progress Phase State    : Host communication established

 1723 16:01:13.570361  ME: Power Down Mitigation   : NO

 1724 16:01:13.573663  ME: FPF status              : fused

 1725 16:01:13.576857  Clearing MCA.

 1726 16:01:13.576958  Finalizing SMM.

 1727 16:01:13.583246  BS: BS_PAYLOAD_LOAD times (us): entry 606 run 259940 exit 135313

 1728 16:01:13.586842  mp_park_aps done after 0 msecs.

 1729 16:01:13.589775  Jumping to boot code at 30104020(7aabe000)

 1730 16:01:13.599694  CPU0: stack: 7ab46000 - 7ab47000, lowest used address 7ab46abc, stack used: 1348 bytes

 1731 16:01:13.599777  

 1732 16:01:13.599842  

 1733 16:01:13.599901  

 1734 16:01:13.602923  Starting depthcharge on rammus...

 1735 16:01:13.603005  

 1736 16:01:13.603383  end: 2.2.3 depthcharge-start (duration 00:00:12) [common]
 1737 16:01:13.603478  start: 2.2.4 bootloader-commands (timeout 00:04:43) [common]
 1738 16:01:13.603564  Setting prompt string to ['rammus:']
 1739 16:01:13.603642  bootloader-commands: Wait for prompt ['rammus:'] (timeout 00:04:43)
 1740 16:01:13.609916  WARNING: can't convert coreboot GPIOs, 'lid' won't be resampled at runtime!

 1741 16:01:13.609999  

 1742 16:01:13.619584  WARNING: can't convert coreboot GPIOs, 'power' won't be resampled at runtime!

 1743 16:01:13.619668  

 1744 16:01:13.626659  The GBB signature is at 0x30004020 and is:  24 47 42 42

 1745 16:01:13.629343  

 1746 16:01:13.633042  [firmware-rammus-11275.B-collabora] Dec 11 2020 10:26:21

 1747 16:01:13.633124  

 1748 16:01:13.633188  

 1749 16:01:13.633247  

 1750 16:01:13.636019  Setting prompt string to ['rammus:', 'Tftp failed.', 'Dhcp release failed.', 'No space left for ramdisk', 'TFTP failed for ramdisk.', 'Dhcp release failed.', 'Out of space adding TFTP server IP to the command line.', 'No network device.', 'Error code \\d+( \\([\\w\\s]+\\))?\\r\\n', '(Bulk read error(.*)){3}']
 1752 16:01:13.736387  rammus: tftpboot 192.168.201.1 10527071/tftp-deploy-gzt7f09a/kernel/bzImage 10527071/tftp-deploy-gzt7f09a/kernel/cmdline 10527071/tftp-deploy-gzt7f09a/ramdisk/ramdisk.cpio.gz

 1753 16:01:13.736559  Setting prompt string to ['Starting kernel', 'Tftp failed.', 'Dhcp release failed.', 'No space left for ramdisk', 'TFTP failed for ramdisk.', 'Dhcp release failed.', 'Out of space adding TFTP server IP to the command line.', 'No network device.', 'Error code \\d+( \\([\\w\\s]+\\))?\\r\\n', '(Bulk read error(.*)){3}']
 1754 16:01:13.736654  bootloader-commands: Wait for prompt ['Starting kernel', 'Tftp failed.', 'Dhcp release failed.', 'No space left for ramdisk', 'TFTP failed for ramdisk.', 'Dhcp release failed.', 'Out of space adding TFTP server IP to the command line.', 'No network device.', 'Error code \\d+( \\([\\w\\s]+\\))?\\r\\n', '(Bulk read error(.*)){3}'] (timeout 00:04:43)
 1755 16:01:13.741200  tftpboot 192.168.201.1 10527071/tftp-deploy-gzt7f09a/kernel/bzIploy-gzt7f09a/kernel/cmdline 10527071/tftp-deploy-gzt7f09a/ramdisk/ramdisk.cpio.gz

 1756 16:01:13.741287  

 1757 16:01:13.741352  Waiting for link

 1758 16:01:14.249458  

 1759 16:01:14.249599  R8152: Initializing

 1760 16:01:14.249669  

 1761 16:01:14.253577  Version 9 (ocp_data = 6010)

 1762 16:01:14.253661  

 1763 16:01:14.256199  R8152: Done initializing

 1764 16:01:14.256283  

 1765 16:01:14.259447  Adding net device

 1766 16:01:14.459081  

 1767 16:01:14.459225  done.

 1768 16:01:14.459300  

 1769 16:01:14.459362  MAC: 00:e0:4c:78:7f:da

 1770 16:01:14.459421  

 1771 16:01:14.462868  Sending DHCP discover... done.

 1772 16:01:14.462952  

 1773 16:01:14.465588  Waiting for reply... done.

 1774 16:01:14.465671  

 1775 16:01:14.469193  Sending DHCP request... done.

 1776 16:01:14.469331  

 1777 16:01:14.479553  Waiting for reply... done.

 1778 16:01:14.479637  

 1779 16:01:14.479701  My ip is 192.168.201.12

 1780 16:01:14.479761  

 1781 16:01:14.482918  The DHCP server ip is 192.168.201.1

 1782 16:01:14.486208  

 1783 16:01:14.489654  TFTP server IP predefined by user: 192.168.201.1

 1784 16:01:14.489736  

 1785 16:01:14.496234  Bootfile predefined by user: 10527071/tftp-deploy-gzt7f09a/kernel/bzImage

 1786 16:01:14.496358  

 1787 16:01:14.499250  Sending tftp read request... done.

 1788 16:01:14.499380  

 1789 16:01:14.502738  Waiting for the transfer... 

 1790 16:01:14.505753  

 1791 16:01:14.782355  00000000 ################################################################

 1792 16:01:14.782497  

 1793 16:01:15.045002  00080000 ################################################################

 1794 16:01:15.045143  

 1795 16:01:15.323508  00100000 ################################################################

 1796 16:01:15.323640  

 1797 16:01:15.594769  00180000 ################################################################

 1798 16:01:15.594907  

 1799 16:01:15.866217  00200000 ################################################################

 1800 16:01:15.866356  

 1801 16:01:16.141911  00280000 ################################################################

 1802 16:01:16.142051  

 1803 16:01:16.426660  00300000 ################################################################

 1804 16:01:16.426799  

 1805 16:01:16.723645  00380000 ################################################################

 1806 16:01:16.723790  

 1807 16:01:17.019828  00400000 ################################################################

 1808 16:01:17.019988  

 1809 16:01:17.312367  00480000 ################################################################

 1810 16:01:17.312507  

 1811 16:01:17.606938  00500000 ################################################################

 1812 16:01:17.607079  

 1813 16:01:17.899573  00580000 ################################################################

 1814 16:01:17.899713  

 1815 16:01:18.179142  00600000 ################################################################

 1816 16:01:18.179320  

 1817 16:01:18.463571  00680000 ################################################################

 1818 16:01:18.463709  

 1819 16:01:18.750345  00700000 ################################################################

 1820 16:01:18.750500  

 1821 16:01:19.040297  00780000 ################################################################

 1822 16:01:19.040450  

 1823 16:01:19.335109  00800000 ################################################################

 1824 16:01:19.335331  

 1825 16:01:19.603556  00880000 ################################################################

 1826 16:01:19.603713  

 1827 16:01:19.868502  00900000 ################################################################

 1828 16:01:19.868663  

 1829 16:01:20.149850  00980000 ################################################################

 1830 16:01:20.149998  

 1831 16:01:20.431761  00a00000 ################################################################

 1832 16:01:20.431913  

 1833 16:01:20.725945  00a80000 ################################################################

 1834 16:01:20.726127  

 1835 16:01:21.019904  00b00000 ################################################################

 1836 16:01:21.020060  

 1837 16:01:21.312793  00b80000 ################################################################

 1838 16:01:21.312978  

 1839 16:01:21.573204  00c00000 ################################################################

 1840 16:01:21.573363  

 1841 16:01:21.840076  00c80000 ################################################################

 1842 16:01:21.840213  

 1843 16:01:22.127700  00d00000 ################################################################

 1844 16:01:22.127882  

 1845 16:01:22.425852  00d80000 ################################################################

 1846 16:01:22.426010  

 1847 16:01:22.722988  00e00000 ################################################################

 1848 16:01:22.723133  

 1849 16:01:23.020216  00e80000 ################################################################

 1850 16:01:23.020356  

 1851 16:01:23.311111  00f00000 ################################################################

 1852 16:01:23.311332  

 1853 16:01:23.396225  00f80000 ################### done.

 1854 16:01:23.396386  

 1855 16:01:23.399232  The bootfile was 16408096 bytes long.

 1856 16:01:23.399357  

 1857 16:01:23.402810  Sending tftp read request... done.

 1858 16:01:23.402904  

 1859 16:01:23.405625  Waiting for the transfer... 

 1860 16:01:23.405713  

 1861 16:01:23.694654  00000000 ################################################################

 1862 16:01:23.694811  

 1863 16:01:23.982258  00080000 ################################################################

 1864 16:01:23.982429  

 1865 16:01:24.273840  00100000 ################################################################

 1866 16:01:24.273984  

 1867 16:01:24.563150  00180000 ################################################################

 1868 16:01:24.563357  

 1869 16:01:24.845959  00200000 ################################################################

 1870 16:01:24.846145  

 1871 16:01:25.140938  00280000 ################################################################

 1872 16:01:25.141137  

 1873 16:01:25.436151  00300000 ################################################################

 1874 16:01:25.436330  

 1875 16:01:25.732264  00380000 ################################################################

 1876 16:01:25.732420  

 1877 16:01:26.014255  00400000 ################################################################

 1878 16:01:26.014406  

 1879 16:01:26.309193  00480000 ################################################################

 1880 16:01:26.309344  

 1881 16:01:26.605873  00500000 ################################################################

 1882 16:01:26.606034  

 1883 16:01:26.867616  00580000 ################################################################

 1884 16:01:26.867768  

 1885 16:01:27.119285  00600000 ################################################################

 1886 16:01:27.119439  

 1887 16:01:27.380932  00680000 ################################################################

 1888 16:01:27.381081  

 1889 16:01:27.639365  00700000 ################################################################

 1890 16:01:27.639513  

 1891 16:01:27.896808  00780000 ################################################################

 1892 16:01:27.896955  

 1893 16:01:28.151969  00800000 ################################################################

 1894 16:01:28.152126  

 1895 16:01:28.406389  00880000 ################################################################

 1896 16:01:28.406531  

 1897 16:01:28.704378  00900000 ################################################################

 1898 16:01:28.704524  

 1899 16:01:28.997023  00980000 ################################################################

 1900 16:01:28.997161  

 1901 16:01:29.080941  00a00000 ################### done.

 1902 16:01:29.081094  

 1903 16:01:29.084388  Sending tftp read request... done.

 1904 16:01:29.084478  

 1905 16:01:29.087649  Waiting for the transfer... 

 1906 16:01:29.087735  

 1907 16:01:29.090861  00000000 # done.

 1908 16:01:29.090947  

 1909 16:01:29.097476  Command line loaded dynamically from TFTP file: 10527071/tftp-deploy-gzt7f09a/kernel/cmdline

 1910 16:01:29.097565  

 1911 16:01:29.127596  The command line is: earlyprintk=uart8250,mmio32,0xde000000,115200n8 console_msg_format=syslog earlycon console=ttyS0,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/10527071/extract-nfsrootfs-91ay7doq,tcp,hard ip=dhcp tftpserverip=192.168.201.1

 1912 16:01:29.131775  

 1913 16:01:29.134943  Shutting down all USB controllers.

 1914 16:01:29.135029  

 1915 16:01:29.135094  Removing current net device

 1916 16:01:29.135157  

 1917 16:01:29.138306  Finalizing coreboot

 1918 16:01:29.138391  

 1919 16:01:29.144672  Exiting depthcharge with code 4 at timestamp: 21798640

 1920 16:01:29.144764  

 1921 16:01:29.144832  

 1922 16:01:29.144895  Starting kernel ...

 1923 16:01:29.144954  

 1924 16:01:29.145014  

 1925 16:01:29.145397  end: 2.2.4 bootloader-commands (duration 00:00:16) [common]
 1926 16:01:29.145494  start: 2.2.5 auto-login-action (timeout 00:04:28) [common]
 1927 16:01:29.145572  Setting prompt string to ['Linux version [0-9]']
 1928 16:01:29.145640  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}']
 1929 16:01:29.145709  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)
 1930 16:01:30.991142  

 1931 16:01:30.991531  start: 2.2.5.1 login-action (timeout 00:04:26) [common]
 1932 16:01:30.991650  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.
 1933 16:01:30.991775  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']
 1934 16:01:30.991865  Using line separator: #'\n'#
 1935 16:01:30.991939  No login prompt set.
 1936 16:01:30.992018  Parsing kernel messages
 1937 16:01:30.992113  ['-\\[ 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']
 1938 16:01:30.992297  [login-action] Waiting for messages, (timeout 00:04:26)
 1939 16:01:31.013909  <5>[    0.000000] Linux version 5.10.181-cip34 (KernelCI@build-j1586849-x86-64-gcc-10-x86-64-defconfig-x86-chromebo2x5bz) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Tue May 30 15:47:57 UTC 2023

 1940 16:01:31.040128  <6>[    0.000000] Command line: earlyprintk=uart8250,mmio32,0xde000000,115200n8 console_msg_format=syslog earlycon console=ttyS0,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/10527071/extract-nfsrootfs-91ay7doq,tcp,hard ip=dhcp tftpserverip=192.168.201.1

 1941 16:01:31.050198  <6>[    0.000000] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers'

 1942 16:01:31.056691  <6>[    0.000000] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers'

 1943 16:01:31.063191  <6>[    0.000000] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers'

 1944 16:01:31.073122  <6>[    0.000000] x86/fpu: Supporting XSAVE feature 0x008: 'MPX bounds registers'

 1945 16:01:31.079828  <6>[    0.000000] x86/fpu: Supporting XSAVE feature 0x010: 'MPX CSR'

 1946 16:01:31.086451  <6>[    0.000000] x86/fpu: xstate_offset[2]:  576, xstate_sizes[2]:  256

 1947 16:01:31.092588  <6>[    0.000000] x86/fpu: xstate_offset[3]:  832, xstate_sizes[3]:   64

 1948 16:01:31.099104  <6>[    0.000000] x86/fpu: xstate_offset[4]:  896, xstate_sizes[4]:   64

 1949 16:01:31.112388  <6>[    0.000000] x86/fpu: Enabled xstate features 0x1f, context size is 960 bytes, using 'compacted' format.

 1950 16:01:31.115378  <6>[    0.000000] BIOS-provided physical RAM map:

 1951 16:01:31.125442  <6>[    0.000000] BIOS-e820: [mem 0x0000000000000000-0x0000000000000fff] type 16

 1952 16:01:31.131865  <6>[    0.000000] BIOS-e820: [mem 0x0000000000001000-0x000000000009ffff] usable

 1953 16:01:31.141771  <6>[    0.000000] BIOS-e820: [mem 0x00000000000a0000-0x00000000000fffff] reserved

 1954 16:01:31.148718  <6>[    0.000000] BIOS-e820: [mem 0x0000000000100000-0x000000007a997fff] usable

 1955 16:01:31.154856  <6>[    0.000000] BIOS-e820: [mem 0x000000007a998000-0x000000007affffff] type 16

 1956 16:01:31.164955  <6>[    0.000000] BIOS-e820: [mem 0x000000007b000000-0x000000007fffffff] reserved

 1957 16:01:31.171126  <6>[    0.000000] BIOS-e820: [mem 0x00000000e0000000-0x00000000e3ffffff] reserved

 1958 16:01:31.181004  <6>[    0.000000] BIOS-e820: [mem 0x00000000fe000000-0x00000000fe00ffff] reserved

 1959 16:01:31.187736  <6>[    0.000000] BIOS-e820: [mem 0x00000000fed10000-0x00000000fed19fff] reserved

 1960 16:01:31.197181  <6>[    0.000000] BIOS-e820: [mem 0x00000000fed80000-0x00000000fed84fff] reserved

 1961 16:01:31.204068  <6>[    0.000000] BIOS-e820: [mem 0x00000000fed90000-0x00000000fed91fff] reserved

 1962 16:01:31.213541  <6>[    0.000000] BIOS-e820: [mem 0x0000000100000000-0x000000017effffff] usable

 1963 16:01:31.216784  <6>[    0.000000] NX (Execute Disable) protection: active

 1964 16:01:31.223574  <6>[    0.000000] SMBIOS 2.7 present.

 1965 16:01:31.229922  <6>[    0.000000] DMI: Google Rammus/Rammus, BIOS  09/04/2020

 1966 16:01:31.233633  <6>[    0.000000] tsc: Detected 1600.000 MHz processor

 1967 16:01:31.239810  <6>[    0.000000] tsc: Detected 1599.960 MHz TSC

 1968 16:01:31.246368  <6>[    0.000048] last_pfn = 0x17f000 max_arch_pfn = 0x400000000

 1969 16:01:31.253409  <6>[    0.001218] x86/PAT: Configuration [0-7]: WB  WC  UC- UC  WB  WP  UC- WT  

 1970 16:01:31.259479  <6>[    0.006027] last_pfn = 0x7a998 max_arch_pfn = 0x400000000

 1971 16:01:31.265995  <6>[    0.020378] check: Scanning 1 areas for low memory corruption

 1972 16:01:31.272896  <6>[    0.020389] Using GB pages for direct mapping

 1973 16:01:31.275938  <6>[    0.020819] RAMDISK: [mem 0x375db000-0x37ffffff]

 1974 16:01:31.282931  <6>[    0.020825] ACPI: Early table checksum verification disabled

 1975 16:01:31.288955  <6>[    0.020832] ACPI: RSDP 0x00000000000F0000 000024 (v02 CORE  )

 1976 16:01:31.299052  <6>[    0.020842] ACPI: XSDT 0x000000007AA9A0E0 00006C (v01 CORE   COREBOOT 00000000 CORE 00000000)

 1977 16:01:31.308939  <6>[    0.020856] ACPI: FACP 0x000000007AA9E970 0000F4 (v04 CORE   COREBOOT 00000000 CORE 00000000)

 1978 16:01:31.318623  <6>[    0.020869] ACPI: DSDT 0x000000007AA9A280 0046E3 (v05 COREv4 COREBOOT 20110725 INTL 20180531)

 1979 16:01:31.325037  <6>[    0.020879] ACPI: FACS 0x000000007AA9A240 000040

 1980 16:01:31.331749  <6>[    0.020888] ACPI: FACS 0x000000007AA9A240 000040

 1981 16:01:31.341610  <6>[    0.020897] ACPI: SSDT 0x000000007AA9EA70 000EFA (v02 CORE   COREBOOT 0000002A CORE 0000002A)

 1982 16:01:31.351455  <6>[    0.020908] ACPI: MCFG 0x000000007AA9F970 00003C (v01 CORE   COREBOOT 00000000 CORE 00000000)

 1983 16:01:31.360993  <6>[    0.020918] ACPI: TPM2 0x000000007AA9F9B0 000040 (v04 CORE   COREBOOT 00000000 CORE 00000000)

 1984 16:01:31.371753  <6>[    0.020927] ACPI: APIC 0x000000007AA9F9F0 00006C (v02 CORE   COREBOOT 00000000 CORE 00000000)

 1985 16:01:31.381069  <6>[    0.020937] ACPI: NHLT 0x000000007AA9FA60 001B1C (v05 GOOGLE RAMMUS   00000000 CORE 00000000)

 1986 16:01:31.390803  <6>[    0.020947] ACPI: DMAR 0x000000007AAA1580 000088 (v01 CORE   COREBOOT 00000000 CORE 00000000)

 1987 16:01:31.400927  <6>[    0.020957] ACPI: DBG2 0x000000007AAA3610 000061 (v00 CORE   COREBOOT 00000000 CORE 00000000)

 1988 16:01:31.411232  <6>[    0.020966] ACPI: HPET 0x000000007AAA3680 000038 (v01 CORE   COREBOOT 00000000 CORE 00000000)

 1989 16:01:31.416837  <6>[    0.020976] ACPI: Reserving FACP table memory at [mem 0x7aa9e970-0x7aa9ea63]

 1990 16:01:31.426671  <6>[    0.020980] ACPI: Reserving DSDT table memory at [mem 0x7aa9a280-0x7aa9e962]

 1991 16:01:31.433487  <6>[    0.020984] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f]

 1992 16:01:31.442960  <6>[    0.020988] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f]

 1993 16:01:31.449650  <6>[    0.020992] ACPI: Reserving SSDT table memory at [mem 0x7aa9ea70-0x7aa9f969]

 1994 16:01:31.459640  <6>[    0.020996] ACPI: Reserving MCFG table memory at [mem 0x7aa9f970-0x7aa9f9ab]

 1995 16:01:31.466153  <6>[    0.020999] ACPI: Reserving TPM2 table memory at [mem 0x7aa9f9b0-0x7aa9f9ef]

 1996 16:01:31.476129  <6>[    0.021003] ACPI: Reserving APIC table memory at [mem 0x7aa9f9f0-0x7aa9fa5b]

 1997 16:01:31.482507  <6>[    0.021007] ACPI: Reserving NHLT table memory at [mem 0x7aa9fa60-0x7aaa157b]

 1998 16:01:31.492459  <6>[    0.021011] ACPI: Reserving DMAR table memory at [mem 0x7aaa1580-0x7aaa1607]

 1999 16:01:31.498986  <6>[    0.021014] ACPI: Reserving DBG2 table memory at [mem 0x7aaa3610-0x7aaa3670]

 2000 16:01:31.509385  <6>[    0.021018] ACPI: Reserving HPET table memory at [mem 0x7aaa3680-0x7aaa36b7]

 2001 16:01:31.512415  <6>[    0.021149] No NUMA configuration found

 2002 16:01:31.519015  <6>[    0.021153] Faking a node at [mem 0x0000000000000000-0x000000017effffff]

 2003 16:01:31.528893  <6>[    0.021161] NODE_DATA(0) allocated [mem 0x17effa000-0x17effdfff]

 2004 16:01:31.531786  <6>[    0.021198] Zone ranges:

 2005 16:01:31.538927  <6>[    0.021202]   DMA      [mem 0x0000000000001000-0x0000000000ffffff]

 2006 16:01:31.545595  <6>[    0.021208]   DMA32    [mem 0x0000000001000000-0x00000000ffffffff]

 2007 16:01:31.551768  <6>[    0.021214]   Normal   [mem 0x0000000100000000-0x000000017effffff]

 2008 16:01:31.558578  <6>[    0.021219] Movable zone start for each node

 2009 16:01:31.561764  <6>[    0.021223] Early memory node ranges

 2010 16:01:31.567993  <6>[    0.021227]   node   0: [mem 0x0000000000001000-0x000000000009ffff]

 2011 16:01:31.574935  <6>[    0.021231]   node   0: [mem 0x0000000000100000-0x000000007a997fff]

 2012 16:01:31.584526  <6>[    0.021235]   node   0: [mem 0x0000000100000000-0x000000017effffff]

 2013 16:01:31.591237  <6>[    0.021240] Initmem setup node 0 [mem 0x0000000000001000-0x000000017effffff]

 2014 16:01:31.597648  <6>[    0.021269] On node 0, zone DMA: 1 pages in unavailable ranges

 2015 16:01:31.603806  <6>[    0.021306] On node 0, zone DMA: 96 pages in unavailable ranges

 2016 16:01:31.614042  <6>[    0.031175] On node 0, zone Normal: 22120 pages in unavailable ranges

 2017 16:01:31.620229  <6>[    0.031229] On node 0, zone Normal: 4096 pages in unavailable ranges

 2018 16:01:31.627625  <6>[    0.031252] Reserving Intel graphics memory at [mem 0x7c000000-0x7fffffff]

 2019 16:01:31.633580  <6>[    0.031596] ACPI: PM-Timer IO Port: 0x1808

 2020 16:01:31.639795  <6>[    0.031645] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-119

 2021 16:01:31.649313  <6>[    0.031656] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl)

 2022 16:01:31.656626  <6>[    0.031661] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level)

 2023 16:01:31.662897  <6>[    0.031672] Using ACPI (MADT) for SMP configuration information

 2024 16:01:31.669206  <6>[    0.031677] ACPI: HPET id: 0x8086a701 base: 0xfed00000

 2025 16:01:31.672958  <6>[    0.031683] TSC deadline timer available

 2026 16:01:31.678972  <6>[    0.031687] smpboot: Allowing 4 CPUs, 0 hotplug CPUs

 2027 16:01:31.688739  <6>[    0.031710] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff]

 2028 16:01:31.698512  <6>[    0.031715] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000fffff]

 2029 16:01:31.705425  <6>[    0.031719] PM: hibernation: Registered nosave memory: [mem 0x7a998000-0x7affffff]

 2030 16:01:31.715491  <6>[    0.031723] PM: hibernation: Registered nosave memory: [mem 0x7b000000-0x7fffffff]

 2031 16:01:31.725402  <6>[    0.031726] PM: hibernation: Registered nosave memory: [mem 0x80000000-0xdfffffff]

 2032 16:01:31.731445  <6>[    0.031729] PM: hibernation: Registered nosave memory: [mem 0xe0000000-0xe3ffffff]

 2033 16:01:31.741179  <6>[    0.031733] PM: hibernation: Registered nosave memory: [mem 0xe4000000-0xfdffffff]

 2034 16:01:31.750939  <6>[    0.031736] PM: hibernation: Registered nosave memory: [mem 0xfe000000-0xfe00ffff]

 2035 16:01:31.757846  <6>[    0.031739] PM: hibernation: Registered nosave memory: [mem 0xfe010000-0xfed0ffff]

 2036 16:01:31.767672  <6>[    0.031743] PM: hibernation: Registered nosave memory: [mem 0xfed10000-0xfed19fff]

 2037 16:01:31.777720  <6>[    0.031746] PM: hibernation: Registered nosave memory: [mem 0xfed1a000-0xfed7ffff]

 2038 16:01:31.784142  <6>[    0.031749] PM: hibernation: Registered nosave memory: [mem 0xfed80000-0xfed84fff]

 2039 16:01:31.793863  <6>[    0.031752] PM: hibernation: Registered nosave memory: [mem 0xfed85000-0xfed8ffff]

 2040 16:01:31.803529  <6>[    0.031756] PM: hibernation: Registered nosave memory: [mem 0xfed90000-0xfed91fff]

 2041 16:01:31.810407  <6>[    0.031759] PM: hibernation: Registered nosave memory: [mem 0xfed92000-0xffffffff]

 2042 16:01:31.820083  <6>[    0.031766] [mem 0x80000000-0xdfffffff] available for PCI devices

 2043 16:01:31.830087  <6>[    0.031772] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns

 2044 16:01:31.839721  <6>[    0.044916] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:4 nr_node_ids:1

 2045 16:01:31.846487  <6>[    0.045136] percpu: Embedded 59 pages/cpu s200848 r8192 d32624 u524288

 2046 16:01:31.855813  <6>[    0.045199] Built 1 zonelists, mobility grouping on.  Total pages: 1006266

 2047 16:01:31.859370  <6>[    0.045203] Policy zone: Normal

 2048 16:01:31.888800  <5>[    0.045214] Kernel command line: earlyprintk=uart8250,mmio32,0xde000000,115200n8 console_msg_format=syslog earlycon console=ttyS0,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/10527071/extract-nfsrootfs-91ay7doq,tcp,hard ip=dhcp tftpserverip=192.168.201.1

 2049 16:01:31.895353  <6>[    0.045649] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear)

 2050 16:01:31.905705  <6>[    0.045857] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear)

 2051 16:01:31.912013  <6>[    0.045931] mem auto-init: stack:off, heap alloc:off, heap free:off

 2052 16:01:31.928270  <6>[    0.064486] Memory: 3878204K/4089052K available (22546K kernel code, 3691K rwdata, 9380K rodata, 2148K init, 14096K bss, 210588K reserved, 0K cma-reserved)

 2053 16:01:31.935079  <6>[    0.064617] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1

 2054 16:01:31.941360  <6>[    0.064670] Kernel/User page tables isolation: enabled

 2055 16:01:31.948076  <6>[    0.064747] ftrace: allocating 60777 entries in 238 pages

 2056 16:01:31.954358  <6>[    0.118102] ftrace: allocated 238 pages with 6 groups

 2057 16:01:31.957947  <6>[    0.118338] Running RCU self tests

 2058 16:01:31.964546  <6>[    0.118351] rcu: Hierarchical RCU implementation.

 2059 16:01:31.971007  <6>[    0.118355] rcu: 	RCU event tracing is enabled.

 2060 16:01:31.974571  <6>[    0.118358] rcu: 	RCU lockdep checking is enabled.

 2061 16:01:31.983907  <6>[    0.118362] rcu: 	RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=4.

 2062 16:01:31.987471  <6>[    0.118367] 	Rude variant of Tasks RCU enabled.

 2063 16:01:31.993861  <6>[    0.118370] 	Tracing variant of Tasks RCU enabled.

 2064 16:01:32.003898  <6>[    0.118374] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies.

 2065 16:01:32.010643  <6>[    0.118378] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4

 2066 16:01:32.016786  <6>[    0.126499] NR_IRQS: 4352, nr_irqs: 1024, preallocated irqs: 16

 2067 16:01:32.023227  <5>[    0.126921] random: crng init done

 2068 16:01:32.026439  <6>[    0.127024] Console: colour dummy device 80x25

 2069 16:01:32.033776  <6>[    0.205476] printk: console [ttyS0] enabled

 2070 16:01:32.040150  <4>[    0.205865] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar

 2071 16:01:32.046217  <4>[    0.206548] ... MAX_LOCKDEP_SUBCLASSES:  8

 2072 16:01:32.049599  <4>[    0.206929] ... MAX_LOCK_DEPTH:          48

 2073 16:01:32.056498  <4>[    0.207318] ... MAX_LOCKDEP_KEYS:        8192

 2074 16:01:32.062809  <4>[    0.207720] ... CLASSHASH_SIZE:          4096

 2075 16:01:32.065987  <4>[    0.208117] ... MAX_LOCKDEP_ENTRIES:     32768

 2076 16:01:32.072412  <4>[    0.208527] ... MAX_LOCKDEP_CHAINS:      65536

 2077 16:01:32.076042  <4>[    0.208938] ... CHAINHASH_SIZE:          32768

 2078 16:01:32.082089  <4>[    0.209342]  memory used by lock dependency info: 6365 kB

 2079 16:01:32.088674  <4>[    0.209831]  memory used for stack traces: 4224 kB

 2080 16:01:32.095397  <4>[    0.210270]  per task-struct memory footprint: 1920 bytes

 2081 16:01:32.098520  <6>[    0.210805] ACPI: Core revision 20200925

 2082 16:01:32.108525  <6>[    0.211342] hpet: HPET dysfunctional in PC10. Force disabled.

 2083 16:01:32.111793  <6>[    0.211870] APIC: Switch to symmetric I/O mode setup

 2084 16:01:32.124592  <6>[    0.216366] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x170fff30cc4, max_idle_ns: 440795237869 ns

 2085 16:01:32.138047  <6>[    0.217302] Calibrating delay loop (skipped), value calculated using timer frequency.. 3199.92 BogoMIPS (lpj=1599960)

 2086 16:01:32.141173  <6>[    0.218227] pid_max: default: 32768 minimum: 301

 2087 16:01:32.147885  <6>[    0.218287] LSM: Security Framework initializing

 2088 16:01:32.150992  <6>[    0.218287] SELinux:  Initializing.

 2089 16:01:32.157541  <6>[    0.218287] LSM support for eBPF active

 2090 16:01:32.164072  <6>[    0.218287] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear)

 2091 16:01:32.173830  <6>[    0.218287] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear)

 2092 16:01:32.180789  <6>[    0.218287] mce: CPU0: Thermal monitoring enabled (TM1)

 2093 16:01:32.187507  <6>[    0.218287] process: using mwait in idle threads

 2094 16:01:32.193460  <6>[    0.218287] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8

 2095 16:01:32.200284  <6>[    0.218287] Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4

 2096 16:01:32.210087  <6>[    0.218287] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization

 2097 16:01:32.213368  <6>[    0.218287] Spectre V2 : Mitigation: IBRS

 2098 16:01:32.223194  <6>[    0.218287] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch

 2099 16:01:32.233282  <6>[    0.218287] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB on VMEXIT

 2100 16:01:32.236256  <6>[    0.218287] RETBleed: Mitigation: IBRS

 2101 16:01:32.245951  <6>[    0.218287] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier

 2102 16:01:32.252357  <6>[    0.218287] Spectre V2 : User space: Mitigation: STIBP via seccomp and prctl

 2103 16:01:32.266232  <6>[    0.218287] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl and seccomp

 2104 16:01:32.272341  <6>[    0.218287] MDS: Vulnerable: Clear CPU buffers attempted, no microcode

 2105 16:01:32.282545  <6>[    0.218287] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode

 2106 16:01:32.285550  <6>[    0.218287] SRBDS: Vulnerable: No microcode

 2107 16:01:32.289401  Setting prompt string to ['-+\\[ end trace \\w* \\]-+[^\\n]*\\r', '/ #', 'Login timed out', 'Login incorrect']
 2108 16:01:32.292010  <4>[    0.218287] ------------[ cut here ]------------

 2109 16:01:32.305119  <4>[    0.218287] missing return thunk: lkdtm_rodata_do_nothing+0x0/0x10-lkdtm_rodata_do_nothing+0x5/0x10: e9 00 00 00 00

 2110 16:01:32.315119  <4>[    0.218287] WARNING: CPU: 0 PID: 0 at arch/x86/kernel/alternative.c:712 apply_returns+0x1f5/0x220

 2111 16:01:32.318312  <4>[    0.218287] Modules linked in:

 2112 16:01:32.324930  <4>[    0.218287] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.10.181-cip34 #1

 2113 16:01:32.331541  <4>[    0.218287] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 2114 16:01:32.338025  <4>[    0.218287] RIP: 0010:apply_returns+0x1f5/0x220

 2115 16:01:32.357632  <4>[    0.218287] Code: 46 02 00 0f 85 e1 fe ff ff 49 89 e8 b9 05 00 00 00 4c 89 f2 48 89 ee 48 c7 c7 00 69 6f a1 c6 05 7b eb 46 02 01 e8 82 f7 10 01 <0f> 0b e9 b9 fe ff ff 44 89 f9 c7 00 cc cc cc cc c7 44 08 fc cc cc

 2116 16:01:32.364169  <4>[    0.218287] RSP: 0000:ffffffffa1a03de0 EFLAGS: 00010282

 2117 16:01:32.374032  <4>[    0.218287] RAX: 0000000000000000 RBX: ffffffffa260b358 RCX: 0000000000000000

 2118 16:01:32.380650  <4>[    0.218287] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff9f977c91

 2119 16:01:32.390191  <4>[    0.218287] RBP: ffffffffa137ecc0 R08: 0000000000000001 R09: 0000000000000001

 2120 16:01:32.396847  <4>[    0.218287] R10: ffffffffa1a8fee0 R11: 3fffffffffffffff R12: ffffffffa26234a8

 2121 16:01:32.406838  <4>[    0.218287] R13: cccccccccccccccc R14: ffffffffa137ecc5 R15: 0000000000000004

 2122 16:01:32.416666  <4>[    0.218287] FS:  0000000000000000(0000) GS:ffff9efd3ac00000(0000) knlGS:0000000000000000

 2123 16:01:32.423199  <4>[    0.218287] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 2124 16:01:32.429632  <4>[    0.218287] CR2: ffff9efd3efff000 CR3: 0000000020626001 CR4: 00000000003706f0

 2125 16:01:32.432747  <4>[    0.218287] Call Trace:

 2126 16:01:32.439179  <4>[    0.218287]  ? __warn+0x80/0x110

 2127 16:01:32.442566  <4>[    0.218287]  ? apply_returns+0x1f5/0x220

 2128 16:01:32.446172  <4>[    0.218287]  ? report_bug+0x9e/0xc0

 2129 16:01:32.452602  <4>[    0.218287]  ? __warn_printk+0x6c/0x8d

 2130 16:01:32.455537  <4>[    0.218287]  ? handle_bug+0x41/0x90

 2131 16:01:32.459734  <4>[    0.218287]  ? exc_invalid_op+0x14/0x70

 2132 16:01:32.465677  <4>[    0.218287]  ? asm_exc_invalid_op+0x12/0x20

 2133 16:01:32.468714  <4>[    0.218287]  ? console_unlock+0x4d1/0x5f0

 2134 16:01:32.475568  <4>[    0.218287]  ? apply_returns+0x1f5/0x220

 2135 16:01:32.478929  <4>[    0.218287]  alternative_instructions+0x7d/0x143

 2136 16:01:32.485317  <4>[    0.218287]  check_bugs+0xe9f/0xefb

 2137 16:01:32.488862  <4>[    0.218287]  start_kernel+0x517/0x54d

 2138 16:01:32.495764  <4>[    0.218287]  secondary_startup_64_no_verify+0xc2/0xcb

 2139 16:01:32.498803  <4>[    0.218287] irq event stamp: 198811

 2140 16:01:32.508134  <4>[    0.218287] hardirqs last  enabled at (198819): [<ffffffff9f977c91>] console_unlock+0x4d1/0x5f0

 2141 16:01:32.517988  <4>[    0.218287] hardirqs last disabled at (198826): [<ffffffff9f977c04>] console_unlock+0x444/0x5f0

 2142 16:01:32.531158  <4>[    0.218287] softirqs last  enabled at (1840): [<ffffffff9f9cf4cb>] cgroup_idr_alloc.constprop.0+0x5b/0xe0

 2143 16:01:32.540826  <4>[    0.218287] softirqs last disabled at (1838): [<ffffffff9f9cf49e>] cgroup_idr_alloc.constprop.0+0x2e/0xe0

 2144 16:01:32.547364  <4>[    0.218287] ---[ end trace ffd54ce207130e74 ]---

 2145 16:01:32.548167  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']
 2146 16:01:32.548568  login-action: kernel 'warning'
 2147 16:01:32.548916  [login-action] Waiting for messages, (timeout 00:04:24)
 2148 16:01:32.550728  <6>[    0.218287] Freeing SMP alternatives memory: 48K

 2149 16:01:32.564329  <6>[    0.218287] smpboot: CPU0: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz (family: 0x6, model: 0x8e, stepping: 0x9)

 2150 16:01:32.573928  <6>[    0.223393] Performance Events: PEBS fmt3+, Skylake events, 32-deep LBR, full-width counters, Intel PMU driver.

 2151 16:01:32.580470  <6>[    0.225300] ... version:                4

 2152 16:01:32.583546  <6>[    0.226292] ... bit width:              48

 2153 16:01:32.590067  <6>[    0.227292] ... generic registers:      4

 2154 16:01:32.596592  <6>[    0.228292] ... value mask:             0000ffffffffffff

 2155 16:01:32.603709  <6>[    0.229292] ... max period:             00007fffffffffff

 2156 16:01:32.606835  <6>[    0.230292] ... fixed-purpose events:   3

 2157 16:01:32.612974  <6>[    0.231292] ... event mask:             000000070000000f

 2158 16:01:32.620087  <6>[    0.235389] rcu: Hierarchical SRCU implementation.

 2159 16:01:32.623153  <6>[    0.250349] smp: Bringing up secondary CPUs ...

 2160 16:01:32.629433  <6>[    0.256369] x86: Booting SMP configuration:

 2161 16:01:32.632722  <6>[    0.257295] .... node  #0, CPUs:      #1

 2162 16:01:32.649498  <4>[    0.263383] MDS CPU bug present and SMT on, data leak possible. See https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/mds.html for more details.

 2163 16:01:32.669131  <4>[    0.265294] MMIO Stale Data CPU bug present and SMT on, data leak possible. See https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/processor_mmio_stale_data.html for more details.

 2164 16:01:32.672572  <4>[    0.271332]  #2 #3

 2165 16:01:32.675543  <6>[    0.289343] smp: Brought up 1 node, 4 CPUs

 2166 16:01:32.682084  <6>[    0.291294] smpboot: Max logical packages: 1

 2167 16:01:32.688104  <6>[    0.292293] smpboot: Total of 4 processors activated (12799.68 BogoMIPS)

 2168 16:01:32.691585  <6>[    0.305385] devtmpfs: initialized

 2169 16:01:32.698145  <6>[    0.308322] x86/mm: Memory block size: 128MB

 2170 16:01:32.708140  <6>[    0.335329] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns

 2171 16:01:32.717875  <6>[    0.336303] futex hash table entries: 1024 (order: 5, 131072 bytes, linear)

 2172 16:01:32.724285  <6>[    0.340331] pinctrl core: initialized pinctrl subsystem

 2173 16:01:32.727552  <6>[    0.348294] PM: RTC time: 16:01:29, date: 2023-05-30

 2174 16:01:32.734145  <6>[    0.353321] NET: Registered protocol family 16

 2175 16:01:32.740944  <6>[    0.359352] audit: initializing netlink subsys (disabled)

 2176 16:01:32.750678  <5>[    0.360331] audit: type=2000 audit(1685462489.143:1): state=initialized audit_enabled=0 res=1

 2177 16:01:32.757470  <6>[    0.365382] thermal_sys: Registered thermal governor 'step_wise'

 2178 16:01:32.763596  <6>[    0.366294] thermal_sys: Registered thermal governor 'user_space'

 2179 16:01:32.770046  <6>[    0.367358] cpuidle: using governor menu

 2180 16:01:32.773812  <6>[    0.370382] ACPI: bus type PCI registered

 2181 16:01:32.783509  <6>[    0.373359] PCI: MMCONFIG for domain 0000 [bus 00-3f] at [mem 0xe0000000-0xe3ffffff] (base 0xe0000000)

 2182 16:01:32.793417  <6>[    0.374296] PCI: MMCONFIG at [mem 0xe0000000-0xe3ffffff] reserved in E820

 2183 16:01:32.800608  <6>[    0.375331] PCI: Using configuration type 1 for base access

 2184 16:01:32.802821  <6>[    0.636392] Kprobes globally optimized

 2185 16:01:32.812992  <6>[    0.639329] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages

 2186 16:01:32.819987  <6>[    0.640314] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages

 2187 16:01:32.826164  <6>[    0.643293] cryptomgr_test (38) used greatest stack depth: 14880 bytes left

 2188 16:01:32.832678  <6>[    0.667345] ACPI: Added _OSI(Module Device)

 2189 16:01:32.839008  <6>[    0.671295] ACPI: Added _OSI(Processor Device)

 2190 16:01:32.842467  <6>[    0.674294] ACPI: Added _OSI(3.0 _SCP Extensions)

 2191 16:01:32.848731  <6>[    0.678296] ACPI: Added _OSI(Processor Aggregator Device)

 2192 16:01:32.855329  <6>[    0.682296] ACPI: Added _OSI(Linux-Dell-Video)

 2193 16:01:32.862184  <6>[    0.686295] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio)

 2194 16:01:32.868499  <6>[    0.690296] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics)

 2195 16:01:32.874993  <6>[    0.780395] ACPI: 2 ACPI AML tables successfully acquired and loaded

 2196 16:01:32.878309  <6>[    0.840407] ACPI: EC: EC started

 2197 16:01:32.885087  <6>[    0.843293] ACPI: EC: interrupt blocked

 2198 16:01:32.887856  <6>[    0.852344] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62

 2199 16:01:32.898492  <6>[    0.856298] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC used to handle transactions

 2200 16:01:32.901141  <6>[    0.861294] ACPI: Interpreter enabled

 2201 16:01:32.907448  <6>[    0.864352] ACPI: (supports S0 S3 S4 S5)

 2202 16:01:32.914430  <6>[    0.868295] ACPI: Using IOAPIC for interrupt routing

 2203 16:01:32.924010  <6>[    0.872364] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug

 2204 16:01:32.927449  <6>[    1.001397] ACPI: Power Resource [PRIC] (on)

 2205 16:01:32.934437  <6>[    1.240400] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff])

 2206 16:01:32.947383  <6>[    1.245309] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3]

 2207 16:01:32.953373  <6>[    1.254312] acpi PNP0A08:00: _OSC: OS now controls [PME PCIeCapability LTR]

 2208 16:01:32.966822  <6>[    1.259358] acpi PNP0A08:00: [Firmware Info]: MMCONFIG for domain 0000 [bus 00-3f] only partially covers this bridge

 2209 16:01:32.970000  <6>[    1.272348] PCI host bridge to bus 0000:00

 2210 16:01:32.980024  <6>[    1.275297] pci_bus 0000:00: root bus resource [io  0x0000-0x0cf7 window]

 2211 16:01:32.986418  <6>[    1.281296] pci_bus 0000:00: root bus resource [io  0x0d00-0xffff window]

 2212 16:01:32.995993  <6>[    1.286296] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window]

 2213 16:01:33.002521  <6>[    1.291296] pci_bus 0000:00: root bus resource [mem 0x000c0000-0x000c3fff window]

 2214 16:01:33.012856  <6>[    1.297296] pci_bus 0000:00: root bus resource [mem 0x000c4000-0x000c7fff window]

 2215 16:01:33.022325  <6>[    1.302295] pci_bus 0000:00: root bus resource [mem 0x000c8000-0x000cbfff window]

 2216 16:01:33.028592  <6>[    1.308300] pci_bus 0000:00: root bus resource [mem 0x000cc000-0x000cffff window]

 2217 16:01:33.039084  <6>[    1.314296] pci_bus 0000:00: root bus resource [mem 0x000d0000-0x000d3fff window]

 2218 16:01:33.048630  <6>[    1.319297] pci_bus 0000:00: root bus resource [mem 0x000d4000-0x000d7fff window]

 2219 16:01:33.054721  <6>[    1.325296] pci_bus 0000:00: root bus resource [mem 0x000d8000-0x000dbfff window]

 2220 16:01:33.064851  <6>[    1.330295] pci_bus 0000:00: root bus resource [mem 0x000dc000-0x000dffff window]

 2221 16:01:33.074489  <6>[    1.336296] pci_bus 0000:00: root bus resource [mem 0x000e0000-0x000e3fff window]

 2222 16:01:33.081262  <6>[    1.342296] pci_bus 0000:00: root bus resource [mem 0x000e4000-0x000e7fff window]

 2223 16:01:33.090971  <6>[    1.347295] pci_bus 0000:00: root bus resource [mem 0x000e8000-0x000ebfff window]

 2224 16:01:33.100692  <6>[    1.353296] pci_bus 0000:00: root bus resource [mem 0x000ec000-0x000effff window]

 2225 16:01:33.107687  <6>[    1.358295] pci_bus 0000:00: root bus resource [mem 0x000f0000-0x000fffff window]

 2226 16:01:33.117636  <6>[    1.364296] pci_bus 0000:00: root bus resource [mem 0x80000001-0xdfffffff window]

 2227 16:01:33.126946  <6>[    1.370296] pci_bus 0000:00: root bus resource [mem 0x800000000-0xbffffffff window]

 2228 16:01:33.133817  <6>[    1.375298] pci_bus 0000:00: root bus resource [mem 0xfd000000-0xfe7fffff window]

 2229 16:01:33.143426  <6>[    1.381299] pci_bus 0000:00: root bus resource [mem 0xfed40000-0xfed44fff window]

 2230 16:01:33.149655  <6>[    1.386296] pci_bus 0000:00: root bus resource [bus 00-ff]

 2231 16:01:33.157115  <6>[    1.391378] pci 0000:00:00.0: [8086:590c] type 00 class 0x060000

 2232 16:01:33.164649  <6>[    1.403369] pci 0000:00:02.0: [8086:591c] type 00 class 0x030000

 2233 16:01:33.172055  <6>[    1.408315] pci 0000:00:02.0: reg 0x10: [mem 0xd0000000-0xd0ffffff 64bit]

 2234 16:01:33.179321  <6>[    1.414307] pci 0000:00:02.0: reg 0x18: [mem 0xc0000000-0xcfffffff 64bit pref]

 2235 16:01:33.186673  <6>[    1.419304] pci 0000:00:02.0: reg 0x20: [io  0x1c00-0x1c3f]

 2236 16:01:33.193879  <6>[    1.427390] pci 0000:00:04.0: [8086:1903] type 00 class 0x118000

 2237 16:01:33.201400  <6>[    1.433317] pci 0000:00:04.0: reg 0x10: [mem 0xd1120000-0xd1127fff 64bit]

 2238 16:01:33.209238  <6>[    1.443382] pci 0000:00:08.0: [8086:1911] type 00 class 0x088000

 2239 16:01:33.216420  <6>[    1.448318] pci 0000:00:08.0: reg 0x10: [mem 0xd1130000-0xd1130fff 64bit]

 2240 16:01:33.223034  <6>[    1.458398] pci 0000:00:14.0: [8086:9d2f] type 00 class 0x0c0330

 2241 16:01:33.229632  <6>[    1.463331] pci 0000:00:14.0: reg 0x10: [mem 0xd1100000-0xd110ffff 64bit]

 2242 16:01:33.239413  <6>[    1.470314] pci 0000:00:14.0: PME# supported from D3hot D3cold

 2243 16:01:33.246104  <6>[    1.479353] pci 0000:00:14.2: [8086:9d31] type 00 class 0x118000

 2244 16:01:33.252994  <6>[    1.484331] pci 0000:00:14.2: reg 0x10: [mem 0xd1131000-0xd1131fff 64bit]

 2245 16:01:33.259081  <6>[    1.495311] pci 0000:00:15.0: [8086:9d60] type 00 class 0x118000

 2246 16:01:33.268896  <6>[    1.500339] pci 0000:00:15.0: reg 0x10: [mem 0xd1132000-0xd1132fff 64bit]

 2247 16:01:33.275344  <6>[    1.511322] pci 0000:00:15.1: [8086:9d61] type 00 class 0x118000

 2248 16:01:33.282038  <6>[    1.516339] pci 0000:00:15.1: reg 0x10: [mem 0xd1133000-0xd1133fff 64bit]

 2249 16:01:33.288918  <6>[    1.527354] pci 0000:00:19.0: [8086:9d66] type 00 class 0x118000

 2250 16:01:33.298226  <6>[    1.532338] pci 0000:00:19.0: reg 0x10: [mem 0xfe034000-0xfe034fff 64bit]

 2251 16:01:33.304962  <6>[    1.538325] pci 0000:00:19.0: reg 0x18: [mem 0xd1135000-0xd1135fff 64bit]

 2252 16:01:33.311839  <6>[    1.548403] pci 0000:00:19.1: [8086:9d65] type 00 class 0x118000

 2253 16:01:33.321225  <6>[    1.554338] pci 0000:00:19.1: reg 0x10: [mem 0xd1136000-0xd1136fff 64bit]

 2254 16:01:33.327720  <6>[    1.565350] pci 0000:00:1c.0: [8086:9d10] type 01 class 0x060400

 2255 16:01:33.334701  <6>[    1.571363] pci 0000:00:1c.0: PME# supported from D0 D3hot D3cold

 2256 16:01:33.341559  <6>[    1.581374] pci 0000:00:1e.0: [8086:9d27] type 00 class 0x118000

 2257 16:01:33.351489  <6>[    1.587340] pci 0000:00:1e.0: reg 0x10: [mem 0xd1137000-0xd1137fff 64bit]

 2258 16:01:33.357491  <6>[    1.598322] pci 0000:00:1e.2: [8086:9d29] type 00 class 0x118000

 2259 16:01:33.363888  <6>[    1.603338] pci 0000:00:1e.2: reg 0x10: [mem 0xd1138000-0xd1138fff 64bit]

 2260 16:01:33.370385  <6>[    1.614316] pci 0000:00:1e.4: [8086:9d2b] type 00 class 0x080501

 2261 16:01:33.380839  <6>[    1.619331] pci 0000:00:1e.4: reg 0x10: [mem 0xd1139000-0xd1139fff 64bit]

 2262 16:01:33.386902  <6>[    1.630394] pci 0000:00:1e.6: [8086:9d2d] type 00 class 0x080501

 2263 16:01:33.393617  <6>[    1.636337] pci 0000:00:1e.6: reg 0x10: [mem 0xd113a000-0xd113afff 64bit]

 2264 16:01:33.399760  <6>[    1.646401] pci 0000:00:1f.0: [8086:9d4b] type 00 class 0x060100

 2265 16:01:33.410232  <6>[    1.657384] pci 0000:00:1f.2: [8086:9d21] type 00 class 0x058000

 2266 16:01:33.416541  <6>[    1.662326] pci 0000:00:1f.2: reg 0x10: [mem 0xd1128000-0xd112bfff]

 2267 16:01:33.422974  <6>[    1.672371] pci 0000:00:1f.3: [8086:9d71] type 00 class 0x040100

 2268 16:01:33.429715  <6>[    1.677337] pci 0000:00:1f.3: reg 0x10: [mem 0xd112c000-0xd112ffff 64bit]

 2269 16:01:33.439629  <6>[    1.683351] pci 0000:00:1f.3: reg 0x20: [mem 0xd1110000-0xd111ffff 64bit]

 2270 16:01:33.445644  <6>[    1.688392] pci 0000:00:1f.3: PME# supported from D3hot D3cold

 2271 16:01:33.452458  <6>[    1.698355] pci 0000:00:1f.4: [8086:9d23] type 00 class 0x0c0500

 2272 16:01:33.458998  <6>[    1.704365] pci 0000:00:1f.4: reg 0x10: [mem 0xd113c000-0xd113c0ff 64bit]

 2273 16:01:33.465784  <6>[    1.709373] pci 0000:00:1f.4: reg 0x20: [io  0xefa0-0xefbf]

 2274 16:01:33.475560  <6>[    1.719350] pci 0000:00:1f.5: [8086:9d24] type 00 class 0x000000

 2275 16:01:33.482020  <6>[    1.724326] pci 0000:00:1f.5: reg 0x10: [mem 0xfe010000-0xfe010fff]

 2276 16:01:33.488556  <6>[    1.757295] pci 0000:01:00.0: [8086:095a] type 00 class 0x028000

 2277 16:01:33.495285  <6>[    1.784294] pci 0000:01:00.0: reg 0x10: [mem 0xd1000000-0xd1001fff 64bit]

 2278 16:01:33.504453  <6>[    1.909295] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold

 2279 16:01:33.507877  <6>[    1.977330] pci 0000:00:1c.0: PCI bridge to [bus 01]

 2280 16:01:33.517846  <6>[    1.981312] pci 0000:00:1c.0:   bridge window [mem 0xd1000000-0xd10fffff]

 2281 16:01:33.524487  <6>[    1.996395] ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 10 12 14 15) *11

 2282 16:01:33.533912  <6>[    2.005303] ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 *10 12 14 15)

 2283 16:01:33.540789  <6>[    2.012300] ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 6 10 12 14 15) *11

 2284 16:01:33.547428  <6>[    2.019296] ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 10 12 14 15) *11

 2285 16:01:33.557530  <6>[    2.027296] ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 6 10 12 14 15) *11

 2286 16:01:33.563356  <6>[    2.034295] ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 6 10 12 14 15) *11

 2287 16:01:33.573942  <6>[    2.042295] ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 5 6 10 12 14 15) *11

 2288 16:01:33.580195  <6>[    2.049301] ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 6 10 12 14 15) *11

 2289 16:01:33.587062  <6>[    2.099304] ACPI: EC: interrupt unblocked

 2290 16:01:33.589516  <6>[    2.102294] ACPI: EC: event unblocked

 2291 16:01:33.596181  <6>[    2.105295] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62

 2292 16:01:33.599460  <6>[    2.109299] ACPI: EC: GPE=0x6e

 2293 16:01:33.606672  <6>[    2.112299] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC initialization complete

 2294 16:01:33.615890  <6>[    2.117296] ACPI: \_SB_.PCI0.LPCB.EC0_: EC: Used to handle transactions and events

 2295 16:01:33.622545  <6>[    2.127305] iommu: Default domain type: Translated 

 2296 16:01:33.629093  <6>[    2.131319] pci 0000:00:02.0: vgaarb: setting as boot VGA device

 2297 16:01:33.638799  <6>[    2.131880] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none

 2298 16:01:33.645384  <6>[    2.132308] pci 0000:00:02.0: vgaarb: bridge control possible

 2299 16:01:33.648702  <6>[    2.133295] vgaarb: loaded

 2300 16:01:33.652354  <5>[    2.137394] SCSI subsystem initialized

 2301 16:01:33.658544  <6>[    2.140320] ACPI: bus type USB registered

 2302 16:01:33.665406  <6>[    2.141396] usbcore: registered new interface driver usbfs

 2303 16:01:33.671529  <6>[    2.142342] usbcore: registered new interface driver hub

 2304 16:01:33.678614  <6>[    2.143322] usbcore: registered new device driver usb

 2305 16:01:33.681707  <6>[    2.144390] mc: Linux media interface: v0.10

 2306 16:01:33.687857  <6>[    2.145316] videodev: Linux video capture interface: v2.00

 2307 16:01:33.694597  <6>[    2.146319] pps_core: LinuxPPS API ver. 1 registered

 2308 16:01:33.704788  <6>[    2.147292] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@linux.it>

 2309 16:01:33.711047  <6>[    2.148301] PTP clock support registered

 2310 16:01:33.717414  <6>[    2.152397] Advanced Linux Sound Architecture Driver Initialized.

 2311 16:01:33.720700  <6>[    2.160298] NetLabel: Initializing

 2312 16:01:33.727323  <6>[    2.161293] NetLabel:  domain hash size = 128

 2313 16:01:33.733933  <6>[    2.162292] NetLabel:  protocols = UNLABELED CIPSOv4 CALIPSO

 2314 16:01:33.740481  <6>[    2.163356] NetLabel:  unlabeled traffic allowed by default

 2315 16:01:33.743446  <6>[    2.165381] PCI: Using ACPI for IRQ routing

 2316 16:01:33.750418  <6>[    2.233345] clocksource: Switched to clocksource tsc-early

 2317 16:01:33.753915  <5>[    2.548973] VFS: Disk quotas dquot_6.6.0

 2318 16:01:33.763381  <6>[    2.549383] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes)

 2319 16:01:33.766794  <6>[    2.550332] pnp: PnP ACPI init

 2320 16:01:33.773480  <6>[    2.551247] system 00:00: [mem 0xfed10000-0xfed17fff] has been reserved

 2321 16:01:33.783580  <6>[    2.551861] system 00:00: [mem 0xfed18000-0xfed18fff] has been reserved

 2322 16:01:33.789937  <6>[    2.552468] system 00:00: [mem 0xfed19000-0xfed19fff] has been reserved

 2323 16:01:33.796253  <6>[    2.553064] system 00:00: [mem 0xe0000000-0xe3ffffff] has been reserved

 2324 16:01:33.806224  <6>[    2.553668] system 00:00: [mem 0xfed20000-0xfed3ffff] has been reserved

 2325 16:01:33.812609  <6>[    2.554264] system 00:00: [mem 0xfed90000-0xfed93fff] could not be reserved

 2326 16:01:33.822301  <6>[    2.554897] system 00:00: [mem 0xfed45000-0xfed8ffff] could not be reserved

 2327 16:01:33.829010  <6>[    2.555532] system 00:00: [mem 0xff000000-0xffffffff] has been reserved

 2328 16:01:33.835474  <6>[    2.556127] system 00:00: [mem 0xfee00000-0xfeefffff] has been reserved

 2329 16:01:33.845206  <6>[    2.556731] system 00:00: [mem 0xfed00000-0xfed003ff] has been reserved

 2330 16:01:33.851959  <6>[    2.558032] system 00:01: [io  0x1800-0x18fe] has been reserved

 2331 16:01:33.858548  <6>[    2.558862] system 00:03: [io  0x0900-0x09fe] has been reserved

 2332 16:01:33.865187  <6>[    2.559595] system 00:04: [io  0x0200] has been reserved

 2333 16:01:33.871457  <6>[    2.560082] system 00:04: [io  0x0204] has been reserved

 2334 16:01:33.877827  <6>[    2.560580] system 00:04: [io  0x0800-0x087f] has been reserved

 2335 16:01:33.884263  <6>[    2.561118] system 00:04: [io  0x0880-0x08ff] has been reserved

 2336 16:01:33.890990  <6>[    2.563873] pnp: PnP ACPI: found 6 devices

 2337 16:01:33.900737  <6>[    2.575803] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns

 2338 16:01:33.903805  <6>[    2.576693] NET: Registered protocol family 2

 2339 16:01:33.914081  <6>[    2.577228] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear)

 2340 16:01:33.923774  <6>[    2.579199] tcp_listen_portaddr_hash hash table entries: 2048 (order: 5, 163840 bytes, linear)

 2341 16:01:33.934442  <6>[    2.580155] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear)

 2342 16:01:33.940050  <6>[    2.581023] TCP bind hash table entries: 32768 (order: 9, 2359296 bytes, linear)

 2343 16:01:33.949772  <6>[    2.583239] TCP: Hash tables configured (established 32768 bind 32768)

 2344 16:01:33.956961  <6>[    2.584097] MPTCP token hash table entries: 4096 (order: 6, 360448 bytes, linear)

 2345 16:01:33.966364  <6>[    2.584999] UDP hash table entries: 2048 (order: 6, 327680 bytes, linear)

 2346 16:01:33.973112  <6>[    2.585823] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes, linear)

 2347 16:01:33.980081  <6>[    2.586783] NET: Registered protocol family 1

 2348 16:01:33.986521  <6>[    2.587740] RPC: Registered named UNIX socket transport module.

 2349 16:01:33.992900  <6>[    2.588295] RPC: Registered udp transport module.

 2350 16:01:33.995918  <6>[    2.588745] RPC: Registered tcp transport module.

 2351 16:01:34.005852  <6>[    2.589179] RPC: Registered tcp NFSv4.1 backchannel transport module.

 2352 16:01:34.009518  <6>[    2.590221] NET: Registered protocol family 44

 2353 16:01:34.015562  <6>[    2.590666] pci 0000:00:1c.0: PCI bridge to [bus 01]

 2354 16:01:34.025498  <6>[    2.591130] pci 0000:00:1c.0:   bridge window [mem 0xd1000000-0xd10fffff]

 2355 16:01:34.031751  <6>[    2.591763] pci_bus 0000:00: resource 4 [io  0x0000-0x0cf7 window]

 2356 16:01:34.038679  <6>[    2.592318] pci_bus 0000:00: resource 5 [io  0x0d00-0xffff window]

 2357 16:01:34.045004  <6>[    2.592881] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window]

 2358 16:01:34.054984  <6>[    2.593552] pci_bus 0000:00: resource 7 [mem 0x000c0000-0x000c3fff window]

 2359 16:01:34.061219  <6>[    2.594167] pci_bus 0000:00: resource 8 [mem 0x000c4000-0x000c7fff window]

 2360 16:01:34.071390  <6>[    2.594790] pci_bus 0000:00: resource 9 [mem 0x000c8000-0x000cbfff window]

 2361 16:01:34.078186  <6>[    2.595415] pci_bus 0000:00: resource 10 [mem 0x000cc000-0x000cffff window]

 2362 16:01:34.087819  <6>[    2.596038] pci_bus 0000:00: resource 11 [mem 0x000d0000-0x000d3fff window]

 2363 16:01:34.094107  <6>[    2.596667] pci_bus 0000:00: resource 12 [mem 0x000d4000-0x000d7fff window]

 2364 16:01:34.104094  <6>[    2.597289] pci_bus 0000:00: resource 13 [mem 0x000d8000-0x000dbfff window]

 2365 16:01:34.110820  <6>[    2.597918] pci_bus 0000:00: resource 14 [mem 0x000dc000-0x000dffff window]

 2366 16:01:34.120360  <6>[    2.598550] pci_bus 0000:00: resource 15 [mem 0x000e0000-0x000e3fff window]

 2367 16:01:34.127146  <6>[    2.599173] pci_bus 0000:00: resource 16 [mem 0x000e4000-0x000e7fff window]

 2368 16:01:34.133775  <6>[    2.599834] pci_bus 0000:00: resource 17 [mem 0x000e8000-0x000ebfff window]

 2369 16:01:34.143535  <6>[    2.600466] pci_bus 0000:00: resource 18 [mem 0x000ec000-0x000effff window]

 2370 16:01:34.150609  <6>[    2.601089] pci_bus 0000:00: resource 19 [mem 0x000f0000-0x000fffff window]

 2371 16:01:34.159538  <6>[    2.601718] pci_bus 0000:00: resource 20 [mem 0x80000001-0xdfffffff window]

 2372 16:01:34.165799  <6>[    2.602341] pci_bus 0000:00: resource 21 [mem 0x800000000-0xbffffffff window]

 2373 16:01:34.176115  <6>[    2.602984] pci_bus 0000:00: resource 22 [mem 0xfd000000-0xfe7fffff window]

 2374 16:01:34.182762  <6>[    2.603617] pci_bus 0000:00: resource 23 [mem 0xfed40000-0xfed44fff window]

 2375 16:01:34.192415  <6>[    2.604240] pci_bus 0000:01: resource 1 [mem 0xd1000000-0xd10fffff]

 2376 16:01:34.202410  <6>[    2.605155] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff]

 2377 16:01:34.205699  <6>[    2.607424] PCI: CLS 64 bytes, default 64

 2378 16:01:34.208548  <6>[    2.608104] Unpacking initramfs...

 2379 16:01:34.215499  <6>[    2.922377] Freeing initrd memory: 10388K

 2380 16:01:34.218589  <6>[    2.922835] DMAR: Host address width 39

 2381 16:01:34.225152  <6>[    2.923224] DMAR: DRHD base: 0x000000fed90000 flags: 0x0

 2382 16:01:34.235485  <6>[    2.923805] DMAR: dmar0: reg_base_addr fed90000 ver 1:0 cap 1c0000c40660462 ecap 19e2ff0505e

 2383 16:01:34.241303  <6>[    2.924562] DMAR: RMRR base: 0x0000007b800000 end: 0x0000007fffffff

 2384 16:01:34.248355  <6>[    2.925125] DMAR: DRHD base: 0x000000fed91000 flags: 0x1

 2385 16:01:34.257952  <6>[    2.925629] DMAR: dmar1: reg_base_addr fed91000 ver 1:0 cap d2008c40660462 ecap f050da

 2386 16:01:34.264249  <6>[    2.926420] PCI-DMA: Using software bounce buffering for IO (SWIOTLB)

 2387 16:01:34.274162  <6>[    2.926999] software IO TLB: mapped [mem 0x0000000076998000-0x000000007a998000] (64MB)

 2388 16:01:34.284228  <6>[    2.927877] RAPL PMU: API unit is 2^-32 Joules, 5 fixed counters, 655360 ms ovfl timer

 2389 16:01:34.291148  <6>[    2.928598] RAPL PMU: hw unit of domain pp0-core 2^-14 Joules

 2390 16:01:34.297578  <6>[    2.929118] RAPL PMU: hw unit of domain package 2^-14 Joules

 2391 16:01:34.303915  <6>[    2.929649] RAPL PMU: hw unit of domain dram 2^-14 Joules

 2392 16:01:34.310358  <6>[    2.930140] RAPL PMU: hw unit of domain pp1-gpu 2^-14 Joules

 2393 16:01:34.317163  <6>[    2.930659] RAPL PMU: hw unit of domain psys 2^-14 Joules

 2394 16:01:34.320157  <3>[    2.932501] kvm: already loaded the other module

 2395 16:01:34.329962  <6>[    2.937138] check: Scanning for low memory corruption every 60 seconds

 2396 16:01:34.333436  <5>[    2.940092] Initialise system trusted keyrings

 2397 16:01:34.343098  <6>[    2.940716] workingset: timestamp_bits=56 max_order=20 bucket_order=0

 2398 16:01:34.346661  <5>[    2.955583] NFS: Registering the id_resolver key type

 2399 16:01:34.352928  <5>[    2.956078] Key type id_resolver registered

 2400 16:01:34.356226  <5>[    2.956508] Key type id_legacy registered

 2401 16:01:34.362789  <5>[    2.972342] Key type asymmetric registered

 2402 16:01:34.369273  <5>[    2.972764] Asymmetric key parser 'x509' registered

 2403 16:01:34.375739  <6>[    2.973253] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 248)

 2404 16:01:34.382500  <6>[    2.973939] io scheduler mq-deadline registered

 2405 16:01:34.385236  <6>[    2.974360] io scheduler kyber registered

 2406 16:01:34.392024  <4>[    2.974918] test_firmware: interface ready

 2407 16:01:34.398560  <6>[    2.976470] pcieport 0000:00:1c.0: PME: Signaling with IRQ 120

 2408 16:01:34.405135  <6>[    2.977978] ACPI: AC Adapter [AC] (on-line)

 2409 16:01:34.415250  <6>[    2.978672] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/PNP0C0D:00/input/input0

 2410 16:01:34.421416  <6>[    2.980266] ACPI: Lid Switch [LID0]

 2411 16:01:34.428168  <6>[    2.980805] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input1

 2412 16:01:34.435192  <6>[    2.981654] ACPI: Power Button [PWRF]

 2413 16:01:34.437859  <6>[    2.982272] ACPI: \_PR_.CP00: Found 3 idle states

 2414 16:01:34.444475  <6>[    2.983331] ACPI: \_PR_.CP01: Found 3 idle states

 2415 16:01:34.451125  <6>[    2.984214] ACPI: \_PR_.CP02: Found 3 idle states

 2416 16:01:34.454621  <6>[    2.985081] ACPI: \_PR_.CP03: Found 3 idle states

 2417 16:01:34.464568  <6>[    2.986359] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled

 2418 16:01:34.467449  <4>[    2.989085] hpet_acpi_add: no address or irqs in _CRS

 2419 16:01:34.473780  <6>[    2.989802] Non-volatile memory driver v1.3

 2420 16:01:34.480360  <6>[    2.989966] battery: ACPI: Battery Slot [BAT0] (battery present)

 2421 16:01:34.487454  <6>[    2.990309] Linux agpgart interface v0.103

 2422 16:01:34.490259  <6>[    2.991543] [drm] amdgpu kernel modesetting enabled.

 2423 16:01:34.497115  <6>[    2.993954] i915 0000:00:02.0: vgaarb: deactivate vga console

 2424 16:01:34.510205  <6>[    3.048104] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem

 2425 16:01:34.520143  <6>[    3.049801] i915 0000:00:02.0: [drm] Finished loading DMC firmware i915/kbl_dmc_ver1_04.bin (v1.4)

 2426 16:01:34.526840  <6>[    3.079166] [drm] Initialized i915 1.6.0 20200917 for 0000:00:02.0 on minor 0

 2427 16:01:34.536279  <6>[    3.082399] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 1

 2428 16:01:34.539867  <6>[    3.096548] loop: module loaded

 2429 16:01:34.546045  <6>[    3.097494] lkdtm: No crash points registered, enable through debugfs

 2430 16:01:34.553044  <6>[    3.117015] printk: console [ttyS0] disabled

 2431 16:01:34.562672  <6>[    3.117779] dw-apb-uart.2: ttyS0 at MMIO 0xfe034000 (irq = 32, base_baud = 115200) is a 16550A

 2432 16:01:34.568698  <6>[    3.961587] tsc: Refined TSC clocksource calibration: 1608.000 MHz

 2433 16:01:34.575252  <6>[    3.963066] printk: console [ttyS0] enabled

 2434 16:01:34.585733  <6>[    3.971821] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x172daa3a18b, max_idle_ns: 440795212390 ns

 2435 16:01:34.594964  <6>[    3.994981] dw-apb-uart.4: ttyS1 at MMIO 0xd1137000 (irq = 20, base_baud = 115200) is a 16550A

 2436 16:01:34.653275  <6>[    6.741969] clocksource: Switched to clocksource tsc

 2437 16:01:34.660037  <6>[    6.742077] fbcon: i915drmfb (fb0) is primary device

 2438 16:01:34.666553  <4>[    6.743839] pxa2xx-spi pxa2xx-spi.5: no DMA channels available, using PIO

 2439 16:01:34.676143  <6>[    6.750848] e100: Intel(R) PRO/100 Network Driver

 2440 16:01:34.679445  <6>[    6.750851] e100: Copyright(c) 1999-2006 Intel Corporation

 2441 16:01:34.698059  <6>[    6.750903] e1000: Intel(R) PRO/1000 Network Driver

 2442 16:01:34.699127  <6>[    6.750905] e1000: Copyright (c) 1999-2006 Intel Corporation.

 2443 16:01:34.701886  <6>[    6.750971] e1000e: Intel(R) PRO/1000 Network Driver

 2444 16:01:34.705411  <6>[    6.750973] e1000e: Copyright(c) 1999 - 2015 Intel Corporation.

 2445 16:01:34.709123  <6>[    6.751045] sky2: driver version 1.30

 2446 16:01:34.718291  <6>[    6.751308] usbcore: registered new interface driver r8152

 2447 16:01:34.725086  <6>[    6.751718] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver

 2448 16:01:34.731232  <6>[    6.751740] ehci-pci: EHCI PCI platform driver

 2449 16:01:34.738302  <6>[    6.751799] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver

 2450 16:01:34.741922  <6>[    6.751814] ohci-pci: OHCI PCI platform driver

 2451 16:01:34.748535  <6>[    6.751868] uhci_hcd: USB Universal Host Controller Interface driver

 2452 16:01:34.755088  <6>[    6.752774] xhci_hcd 0000:00:14.0: xHCI Host Controller

 2453 16:01:34.764676  <6>[    6.753691] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 1

 2454 16:01:34.771182  <6>[    6.754394] tpm_tis_spi spi-PRP0001:00: TPM ready IRQ confirmed on attempt 2

 2455 16:01:34.781613  <6>[    6.755119] xhci_hcd 0000:00:14.0: hcc params 0x200077c1 hci version 0x100 quirks 0x0000000081109810

 2456 16:01:34.790944  <6>[    6.755169] xhci_hcd 0000:00:14.0: cache line size of 64 is not supported

 2457 16:01:34.797432  <6>[    6.757054] xhci_hcd 0000:00:14.0: xHCI Host Controller

 2458 16:01:34.804173  <6>[    6.757540] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 2

 2459 16:01:34.814169  <6>[    6.757551] xhci_hcd 0000:00:14.0: Host supports USB 3.0 SuperSpeed

 2460 16:01:34.820893  <6>[    6.758363] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10

 2461 16:01:34.830095  <6>[    6.758391] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1

 2462 16:01:34.836920  <6>[    6.758396] usb usb1: Product: xHCI Host Controller

 2463 16:01:34.843511  <6>[    6.758400] usb usb1: Manufacturer: Linux 5.10.181-cip34 xhci-hcd

 2464 16:01:34.850575  <6>[    6.758428] usb usb1: SerialNumber: 0000:00:14.0

 2465 16:01:34.853193  <6>[    6.760008] hub 1-0:1.0: USB hub found

 2466 16:01:34.856622  <6>[    6.760143] hub 1-0:1.0: 12 ports detected

 2467 16:01:34.866311  <6>[    6.763039] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.10

 2468 16:01:34.876014  <6>[    6.763043] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1

 2469 16:01:34.883205  <6>[    6.763046] usb usb2: Product: xHCI Host Controller

 2470 16:01:34.889800  <6>[    6.763049] usb usb2: Manufacturer: Linux 5.10.181-cip34 xhci-hcd

 2471 16:01:34.892977  <6>[    6.763052] usb usb2: SerialNumber: 0000:00:14.0

 2472 16:01:34.899931  <6>[    6.763750] hub 2-0:1.0: USB hub found

 2473 16:01:34.902722  <6>[    6.763791] hub 2-0:1.0: 6 ports detected

 2474 16:01:34.909524  <6>[    6.765183] usbcore: registered new interface driver usblp

 2475 16:01:34.916081  <6>[    6.765243] usbcore: registered new interface driver usb-storage

 2476 16:01:34.928889  <6>[    6.765702] udc-core: couldn't find an available UDC - added [g_ether] to list of pending drivers

 2477 16:01:34.935650  <6>[    6.765812] i8042: PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1

 2478 16:01:34.948503  <4>[    6.765814] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp

 2479 16:01:34.952016  <4>[    6.766456] i8042: Warning: Keylock active

 2480 16:01:34.958428  <6>[    6.766735] serio: i8042 KBD port at 0x60,0x64 irq 1

 2481 16:01:34.962046  <6>[    6.768574] rtc_cmos 00:02: RTC can wake from S4

 2482 16:01:34.968646  <6>[    6.770658] rtc_cmos 00:02: registered as rtc0

 2483 16:01:34.974749  <6>[    6.770847] rtc_cmos 00:02: alarms up to one month, 242 bytes nvram

 2484 16:01:34.984876  <6>[    6.771374] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input2

 2485 16:01:34.991835  <6>[    6.773005] i801_smbus 0000:00:1f.4: SPD Write Disable is set

 2486 16:01:34.998262  <6>[    6.773045] i801_smbus 0000:00:1f.4: SMBus using PCI interrupt

 2487 16:01:35.004812  <6>[    6.773860] i2c i2c-9: 2/2 memory slots populated (from DMI)

 2488 16:01:35.014558  <6>[    6.775576] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com

 2489 16:01:35.021243  <6>[    6.775615] intel_pstate: Intel P-state driver initializing

 2490 16:01:35.027234  <6>[    6.776526] intel_pstate: HWP enabled

 2491 16:01:35.034154  <6>[    6.776564] sdhci: Secure Digital Host Controller Interface driver

 2492 16:01:35.040644  <6>[    6.776565] sdhci: Copyright(c) Pierre Ossman

 2493 16:01:35.047239  <6>[    6.776593] sdhci-pci 0000:00:1e.4: SDHCI controller found [8086:9d2b] (rev 21)

 2494 16:01:35.057057  <6>[    6.777060] tpm_tis_spi spi-PRP0001:00: 2.0 TPM (device-id 0x28, rev-id 0)

 2495 16:01:35.063673  <6>[    6.777756] mmc0: SDHCI controller on PCI [0000:00:1e.4] using ADMA 64-bit

 2496 16:01:35.073610  <6>[    6.778032] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2497 16:01:35.076815  <6>[    6.779976] hid: raw HID events driver (C) Jiri Kosina

 2498 16:01:35.087063  <6>[    6.780303] Console: switching to colour frame buffer device 240x67

 2499 16:01:35.093175  <6>[    6.780830] usbcore: registered new interface driver usbhid

 2500 16:01:35.096914  <6>[    6.780831] usbhid: USB HID core driver

 2501 16:01:35.109592  <6>[    6.781285] input: Tablet Mode Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/GOOG0006:00/input/input3

 2502 16:01:35.116281  <6>[    6.785813] cros_ec_lpcs GOOG0004:00: Chrome EC device registered

 2503 16:01:35.126639  <6>[    6.786381] snd_hda_intel 0000:00:1f.3: DSP detected with PCI class/subclass/prog-if info 0x040100

 2504 16:01:35.132706  <6>[    6.787218] ipip: IPv4 and MPLS over IPv4 tunneling driver

 2505 16:01:35.139343  <6>[    6.787523] IPv4 over IPsec tunneling driver

 2506 16:01:35.143363  <6>[    6.787792] Initializing XFRM netlink socket

 2507 16:01:35.149236  <6>[    6.788287] NET: Registered protocol family 10

 2508 16:01:35.152708  <6>[    6.789052] Segment Routing with IPv6

 2509 16:01:35.159365  <6>[    6.789754] NET: Registered protocol family 17

 2510 16:01:35.162346  <5>[    6.789856] Key type dns_resolver registered

 2511 16:01:35.171982  <6>[    6.790307] snd_hda_intel 0000:00:1f.3: bound 0000:00:02.0 (ops i915_audio_component_bind_ops)

 2512 16:01:35.178813  <6>[    6.800881] microcode: sig=0x806e9, pf=0x10, revision=0x98

 2513 16:01:35.188933  <6>[    6.806567] i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device

 2514 16:01:35.195213  <3>[    6.818592] snd_hda_intel 0000:00:1f.3: Cannot probe codecs, giving up

 2515 16:01:35.201936  <6>[    6.820039] microcode: Microcode Update Driver: v2.2.

 2516 16:01:35.215362  <6>[    6.890143] tpm_tis_spi spi-PRP0001:00: Cr50 firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_A:0.5.6/cr50_v1.9308_87_mp.510-d2

 2517 16:01:35.218366  <6>[    6.895265] IPI shorthand broadcast: enabled

 2518 16:01:35.225148  <6>[    6.975661] mmc0: new HS400 MMC card at address 0001

 2519 16:01:35.234788  <6>[    6.976673] sched_clock: Marking stable (6886218411, 90403069)->(5317396496, 1659224984)

 2520 16:01:35.241515  <6>[    6.983099] mmcblk0: mmc0:0001 DA4064 58.2 GiB 

 2521 16:01:35.245218  <6>[    6.995249] registered taskstats version 1

 2522 16:01:35.251743  <6>[    6.999672] mmcblk0boot0: mmc0:0001 DA4064 partition 1 4.00 MiB

 2523 16:01:35.258072  <5>[    7.004438] Loading compiled-in X.509 certificates

 2524 16:01:35.264550  <6>[    7.014057] mmcblk0boot1: mmc0:0001 DA4064 partition 2 4.00 MiB

 2525 16:01:35.271248  <6>[    7.024055] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2526 16:01:35.281115  <6>[    7.028241] mmcblk0rpmb: mmc0:0001 DA4064 partition 3 16.0 MiB, chardev (245:0)

 2527 16:01:35.291169  <6>[    7.036777] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2528 16:01:35.297906  <6>[    7.055998]  mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12

 2529 16:01:35.300981  <6>[    7.066412] PM:   Magic number: 7:906:35

 2530 16:01:35.311077  <6>[    7.077661] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2531 16:01:35.314423  <6>[    7.081768] bdi 7:0: hash matches

 2532 16:01:35.321031  <6>[    7.460075] usb 1-3: new full-speed USB device number 2 using xhci_hcd

 2533 16:01:35.327331  <6>[    7.467828] printk: console [netcon0] enabled

 2534 16:01:35.330758  <6>[    7.473058] netconsole: network logging started

 2535 16:01:35.469690  <6>[    7.607305] usb 1-3: New USB device found, idVendor=8087, idProduct=0a2a, bcdDevice= 0.03

 2536 16:01:35.478902  <6>[    7.616824] usb 1-3: New USB device strings: Mfr=0, Product=0, SerialNumber=0

 2537 16:01:35.491549  <6>[    7.629775] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2538 16:01:35.581928  <6>[    7.719763] usb 2-3: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd

 2539 16:01:35.602921  <6>[    7.741026] usb 2-3: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=31.00

 2540 16:01:35.613408  <6>[    7.750484] usb 2-3: New USB device strings: Mfr=1, Product=2, SerialNumber=6

 2541 16:01:35.619406  <6>[    7.758765] usb 2-3: Product: USB 10/100/1000 LAN

 2542 16:01:35.622914  <6>[    7.764326] usb 2-3: Manufacturer: Realtek

 2543 16:01:35.630045  <6>[    7.769208] usb 2-3: SerialNumber: 001000001

 2544 16:01:35.639409  <6>[    7.776911] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2545 16:01:35.716672  <6>[    7.854667] usb 1-9: new high-speed USB device number 3 using xhci_hcd

 2546 16:01:35.886785  <6>[    8.024493] usb 1-9: New USB device found, idVendor=13d3, idProduct=56d4, bcdDevice=18.07

 2547 16:01:35.896597  <6>[    8.033971] usb 1-9: New USB device strings: Mfr=3, Product=1, SerialNumber=2

 2548 16:01:35.903048  <6>[    8.042260] usb 1-9: Product: USB2.0 HD UVC WebCam

 2549 16:01:35.906117  <6>[    8.047928] usb 1-9: Manufacturer: Azurewave

 2550 16:01:35.912419  <6>[    8.053016] usb 1-9: SerialNumber: 0x0001

 2551 16:01:35.927093  <6>[    8.065322] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2552 16:01:35.972793  <6>[    8.110585] usb 2-3: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd

 2553 16:01:36.018431  <6>[    8.155790] r8152 2-3:1.0: load rtl8153b-2 v2 04/27/23 successfully

 2554 16:01:36.050575  <6>[    8.191838] r8152 2-3:1.0 eth0: v1.11.11

 2555 16:01:36.060492  <6>[    8.196939] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2556 16:01:37.706228  <6>[    9.847543] r8152 2-3:1.0 eth0: carrier on

 2557 16:01:37.712870  <6>[    9.848542] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready

 2558 16:01:40.607004  <5>[    9.860464] Sending DHCP requests .., OK

 2559 16:01:40.617553  <6>[   12.753324] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.12

 2560 16:01:40.620103  <6>[   12.762592] IP-Config: Complete:

 2561 16:01:40.633357  <6>[   12.766512]      device=eth0, hwaddr=00:e0:4c:78:7f:da, ipaddr=192.168.201.12, mask=255.255.255.0, gw=192.168.201.1

 2562 16:01:40.639670  <6>[   12.778487]      host=asus-c433ta-aj0005-rammus-cbg-3, domain=lava-rack, nis-domain=(none)

 2563 16:01:40.649777  <6>[   12.788030]      bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath=

 2564 16:01:40.656869  <6>[   12.788034]      nameserver0=192.168.201.1

 2565 16:01:40.663065  <5>[   12.801501] cfg80211: Loading compiled-in X.509 certificates for regulatory database

 2566 16:01:40.675104  <6>[   12.813348] modprobe (102) used greatest stack depth: 14208 bytes left

 2567 16:01:40.681804  <5>[   12.816305] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7'

 2568 16:01:40.692209  <4>[   12.828806] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2

 2569 16:01:40.695475  <6>[   12.829538] ALSA device list:

 2570 16:01:40.701676  <6>[   12.838801] cfg80211: failed to load regulatory.db

 2571 16:01:40.704433  <6>[   12.842378]   No soundcards found.

 2572 16:01:40.715093  <4>[   12.852491] dw-apb-uart dw-apb-uart.2: forbid DMA for kernel console

 2573 16:01:40.724289  <6>[   12.862229] Freeing unused kernel image (initmem) memory: 2148K

 2574 16:01:40.739328  <6>[   12.877729] Write protecting the kernel read-only data: 34816k

 2575 16:01:40.746101  <6>[   12.885427] Freeing unused kernel image (text/rodata gap) memory: 2028K

 2576 16:01:40.756501  <6>[   12.893416] Freeing unused kernel image (rodata/data gap) memory: 860K

 2577 16:01:40.759572  <6>[   12.901079] Run /init as init process

 2578 16:01:40.765881  <6>[   12.906593] mkdir (106) used greatest stack depth: 13944 bytes left

 2579 16:01:40.769167  Loading, please wait...

 2580 16:01:40.780292  Starting version 247.3-7+deb11u2

 2581 16:01:40.789757  <6>[   12.925223] systemd-udevd (124) used greatest stack depth: 13816 bytes left

 2582 16:01:40.834829  <6>[   12.972878] udevadm (126) used greatest stack depth: 13592 bytes left

 2583 16:01:40.956208  <6>[   13.094447] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2584 16:01:40.967789  <6>[   13.105508] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2585 16:01:40.974200  <6>[   13.114308] chromeos ramoops using acpi device.

 2586 16:01:40.983671  <4>[   13.114393] cros-usbpd-notify-acpi GOOG0003:00: Couldn't get Chrome EC device pointer.

 2587 16:01:40.990619  <6>[   13.120702] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2588 16:01:41.005953  <6>[   13.144385] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2589 16:01:41.016592  <4>[   13.154587] i2c_hid i2c-PNP0C50:00: supply vdd not found, using dummy regulator

 2590 16:01:41.026410  <4>[   13.163598] i2c_hid i2c-PNP0C50:00: supply vddl not found, using dummy regulator

 2591 16:01:41.036979  <6>[   13.175279] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2592 16:01:41.064656  <6>[   13.202923] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2593 16:01:41.071293  <6>[   13.208733] Registered efivars operations

 2594 16:01:41.074241  <6>[   13.216250] gsmi version 1.0 loaded

 2595 16:01:41.204654  <6>[   13.336344] input: PNP0C50:00 0457:157E Touchscreen as /devices/pci0000:00/0000:00:15.0/i2c_designware.0/i2c-6/i2c-PNP0C50:00/0018:0457:157E.0001/input/input4

 2596 16:01:41.219463  <6>[   13.354671] hid-generic 0018:0457:157E.0001: input,hidraw0: I2C HID v1.00 Device [PNP0C50:00 0457:157E] on i2c-PNP0C50:00

 2597 16:01:41.230082  <6>[   13.367623] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2598 16:01:41.241696  <6>[   13.379804] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2599 16:01:41.257579  <6>[   13.395881] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2600 16:01:41.273376  <6>[   13.410615] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2601 16:01:41.284597  <6>[   13.421745] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2602 16:01:41.295906  <6>[   13.433220] uvcvideo: Found UVC 1.00 device USB2.0 HD UVC WebCam (13d3:56d4)

 2603 16:01:41.306258  <4>[   13.440818] da7219 i2c-DLGS7219:00: Using default DAI clk names: da7219-dai-wclk, da7219-dai-bclk

 2604 16:01:41.313430  <6>[   13.451834] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2605 16:01:41.323584  <6>[   13.461957] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2606 16:01:41.340119  <6>[   13.474639] input: USB2.0 HD UVC WebCam: USB2.0 HD as /devices/pci0000:00/0000:00:14.0/usb1/1-9/1-9:1.0/input/input6

 2607 16:01:41.349811  <6>[   13.487157] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21)

 2608 16:01:41.356320  <6>[   13.487971] usbcore: registered new interface driver uvcvideo

 2609 16:01:41.359418  <6>[   13.502512] USB Video Class driver (1.1.1)

 2610 16:01:41.375118  <6>[   13.513224] udevadm (139) used greatest stack depth: 13400 bytes left

 2611 16:01:41.378395  Begin: Loading essential drivers ... done.

 2612 16:01:41.384995  Begin: Running /scripts/init-premount ... done.

 2613 16:01:41.391923  Begin: Mounting root file system ... Begin: Running /scripts/nfs-top ... done.

 2614 16:01:41.401010  Begin: Running /scripts/nfs-premount ... Waiting up to 60 secs for any ethernet to become available

 2615 16:01:41.404738  Device /sys/class/net/eth0 found

 2616 16:01:41.405237  done.

 2617 16:01:41.411241  IP-Config: eth0 hardware address 00:e0:4c:78:7f:da mtu 1500 DHCP

 2618 16:01:41.417676  IP-Config: eth0 complete (dhcp from 192.168.201.1):

 2619 16:01:41.424560   address: 192.168.201.12   broadcast: 192.168.201.255  netmask: 255.255.255.0   

 2620 16:01:41.434584   gateway: 192.168.201.1    dns0     : 192.168.201.1    dns1   : 0.0.0.0         

 2621 16:01:41.440850   host   : asus-c433ta-aj0005-rammus-cbg-3                                 

 2622 16:01:41.447353   domain : lava-rack                                                       

 2623 16:01:41.450719   rootserver: 192.168.201.1 rootpath: 

 2624 16:01:41.453596   filename  : 

 2625 16:01:41.480564  <6>[   13.619353] nfsmount (171) used greatest stack depth: 12688 bytes left

 2626 16:01:41.480737  done.

 2627 16:01:41.490872  Begin: Running /scripts/nfs-bottom ... done.

 2628 16:01:41.505751  Begin: Running /scripts/init-bottom ... done.

 2629 16:01:42.567407  SELinux:  Could not open policy file <= /etc/selinux/targeted/policy/policy.33:  No such file or directory

 2630 16:01:42.758190  <30>[   14.880289] systemd[1]: systemd 247.3-7+deb11u2 running in system mode. (+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 +ZSTD +SECCOMP +BLKID +ELFUTILS +KMOD +IDN2 -IDN +PCRE2 default-hierarchy=unified)

 2631 16:01:42.776967  <30>[   14.918699] systemd[1]: Detected architecture x86-64.

 2632 16:01:42.797229  

 2633 16:01:42.799982  Welcome to Debian GNU/Linux 11 (bullseye)!

 2634 16:01:42.800452  

 2635 16:01:42.811385  <30>[   14.949673] systemd[1]: Set hostname to <debian-bullseye-amd64>.

 2636 16:01:43.568229  <30>[   15.706735] systemd[1]: Queued start job for default target Graphical Interface.

 2637 16:01:43.577362  <30>[   15.718890] systemd[1]: Created slice system-getty.slice.

 2638 16:01:43.587191  [  OK  ] Created slice system-getty.slice.

 2639 16:01:43.593965  <30>[   15.735020] systemd[1]: Created slice system-modprobe.slice.

 2640 16:01:43.604004  [  OK  ] Created slice system-modprobe.slice.

 2641 16:01:43.613266  <30>[   15.751024] systemd[1]: Created slice system-serial\x2dgetty.slice.

 2642 16:01:43.620742  [  OK  ] Created slice system-serial\x2dgetty.slice.

 2643 16:01:43.626884  <30>[   15.768044] systemd[1]: Created slice User and Session Slice.

 2644 16:01:43.637221  [  OK  ] Created slice User and Session Slice.

 2645 16:01:43.646706  <30>[   15.785019] systemd[1]: Started Dispatch Password Requests to Console Directory Watch.

 2646 16:01:43.657011  [  OK  ] Started Dispatch Password …ts to Console Directory Watch.

 2647 16:01:43.668898  <30>[   15.806892] systemd[1]: Started Forward Password Requests to Wall Directory Watch.

 2648 16:01:43.678590  [  OK  ] Started Forward Password R…uests to Wall Directory Watch.

 2649 16:01:43.691604  <30>[   15.826581] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point.

 2650 16:01:43.701717  [  OK  ] Set up automount Arbitrary…s File System Automount Point.

 2651 16:01:43.711596  <30>[   15.849798] systemd[1]: Reached target Local Encrypted Volumes.

 2652 16:01:43.717995  [  OK  ] Reached target Local Encrypted Volumes.

 2653 16:01:43.725171  <30>[   15.866800] systemd[1]: Reached target Paths.

 2654 16:01:43.731851  [  OK  ] Reached target Paths.

 2655 16:01:43.739397  <30>[   15.880760] systemd[1]: Reached target Remote File Systems.

 2656 16:01:43.749567  [  OK  ] Reached target Remote File Systems.

 2657 16:01:43.756122  <30>[   15.896743] systemd[1]: Reached target Slices.

 2658 16:01:43.762719  [  OK  ] Reached target Slices.

 2659 16:01:43.769884  <30>[   15.910754] systemd[1]: Reached target Swap.

 2660 16:01:43.776094  [  OK  ] Reached target Swap.

 2661 16:01:43.782352  <30>[   15.921996] systemd[1]: Listening on initctl Compatibility Named Pipe.

 2662 16:01:43.792260  [  OK  ] Listening on initctl Compatibility Named Pipe.

 2663 16:01:43.798640  <30>[   15.939704] systemd[1]: Listening on Journal Audit Socket.

 2664 16:01:43.805798  [  OK  ] Listening on Journal Audit Socket.

 2665 16:01:43.818861  <30>[   15.956738] systemd[1]: Listening on Journal Socket (/dev/log).

 2666 16:01:43.824469  [  OK  ] Listening on Journal Socket (/dev/log).

 2667 16:01:43.831700  <30>[   15.973062] systemd[1]: Listening on Journal Socket.

 2668 16:01:43.838124  [  OK  ] Listening on Journal Socket.

 2669 16:01:43.850746  <30>[   15.988949] systemd[1]: Listening on Network Service Netlink Socket.

 2670 16:01:43.857039  [  OK  ] Listening on Network Service Netlink Socket.

 2671 16:01:43.866836  <30>[   16.008625] systemd[1]: Listening on udev Control Socket.

 2672 16:01:43.876927  [  OK  ] Listening on udev Control Socket.

 2673 16:01:43.883832  <30>[   16.025003] systemd[1]: Listening on udev Kernel Socket.

 2674 16:01:43.889839  [  OK  ] Listening on udev Kernel Socket.

 2675 16:01:43.900812  <30>[   16.042378] systemd[1]: Mounting Huge Pages File System...

 2676 16:01:43.907492           Mounting Huge Pages File System...

 2677 16:01:43.921138  <30>[   16.059175] systemd[1]: Mounting POSIX Message Queue File System...

 2678 16:01:43.927211           Mounting POSIX Message Queue File System...

 2679 16:01:43.938812  <30>[   16.076931] systemd[1]: Mounting Kernel Debug File System...

 2680 16:01:43.942383           Mounting Kernel Debug File System...

 2681 16:01:43.955606  <30>[   16.094033] systemd[1]: Mounting Kernel Trace File System...

 2682 16:01:43.958932           Mounting Kernel Trace File System...

 2683 16:01:43.973741  <30>[   16.111762] systemd[1]: Starting Create list of static device nodes for the current kernel...

 2684 16:01:43.983554           Starting Create list of st…odes for the current kernel...

 2685 16:01:43.993783  <30>[   16.132045] systemd[1]: Starting Load Kernel Module configfs...

 2686 16:01:44.000190           Starting Load Kernel Module configfs...

 2687 16:01:44.008204  <30>[   16.149897] systemd[1]: Starting Load Kernel Module drm...

 2688 16:01:44.014622           Starting Load Kernel Module drm...

 2689 16:01:44.023595  <30>[   16.165148] systemd[1]: Starting Load Kernel Module fuse...

 2690 16:01:44.030559           Starting Load Kernel Module fuse...

 2691 16:01:44.071607  <30>[   16.205963] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped.

 2692 16:01:44.074460  <6>[   16.216629] fuse: init (API version 7.32)

 2693 16:01:44.081685  <30>[   16.222851] systemd[1]: Starting Journal Service...

 2694 16:01:44.087913           Starting Journal Service...

 2695 16:01:44.098408  <30>[   16.240176] systemd[1]: Starting Load Kernel Modules...

 2696 16:01:44.105647           Starting Load Kernel Modules...

 2697 16:01:44.115490  <30>[   16.254224] systemd[1]: Starting Remount Root and Kernel File Systems...

 2698 16:01:44.122241           Starting Remount Root and Kernel File Systems...

 2699 16:01:44.134844  <30>[   16.273416] systemd[1]: Starting Coldplug All udev Devices...

 2700 16:01:44.138116           Starting Coldplug All udev Devices...

 2701 16:01:44.148543  <30>[   16.290503] systemd[1]: Mounted Huge Pages File System.

 2702 16:01:44.155539  [  OK  ] Mounted Huge Pages File System.

 2703 16:01:44.167543  <30>[   16.305823] systemd[1]: Mounted POSIX Message Queue File System.

 2704 16:01:44.174384  [  OK  ] Mounted POSIX Message Queue File System.

 2705 16:01:44.180849  <30>[   16.322699] systemd[1]: Mounted Kernel Debug File System.

 2706 16:01:44.187392  [  OK  ] Mounted Kernel Debug File System.

 2707 16:01:44.197905  <30>[   16.339718] systemd[1]: Mounted Kernel Trace File System.

 2708 16:01:44.204918  [  OK  ] Mounted Kernel Trace File System.

 2709 16:01:44.218271  <30>[   16.356743] systemd[1]: Finished Create list of static device nodes for the current kernel.

 2710 16:01:44.228219  [  OK  ] Finished Create list of st… nodes for the current kernel.

 2711 16:01:44.241271  <30>[   16.379450] systemd[1]: modprobe@configfs.service: Succeeded.

 2712 16:01:44.247996  <30>[   16.386836] systemd[1]: Finished Load Kernel Module configfs.

 2713 16:01:44.253961  [  OK  ] Finished Load Kernel Module configfs.

 2714 16:01:44.262040  <30>[   16.403383] systemd[1]: modprobe@drm.service: Succeeded.

 2715 16:01:44.268749  <30>[   16.410370] systemd[1]: Finished Load Kernel Module drm.

 2716 16:01:44.275148  [  OK  ] Finished Load Kernel Module drm.

 2717 16:01:44.285056  <30>[   16.426392] systemd[1]: modprobe@fuse.service: Succeeded.

 2718 16:01:44.292202  <30>[   16.433494] systemd[1]: Finished Load Kernel Module fuse.

 2719 16:01:44.299093  [  OK  ] Finished Load Kernel Module fuse.

 2720 16:01:44.309870  <30>[   16.451427] systemd[1]: Finished Load Kernel Modules.

 2721 16:01:44.316194  [  OK  ] Finished Load Kernel Modules.

 2722 16:01:44.327804  <30>[   16.466203] systemd[1]: Finished Remount Root and Kernel File Systems.

 2723 16:01:44.334911  [  OK  ] Finished Remount Root and Kernel File Systems.

 2724 16:01:44.343693  <30>[   16.484998] systemd[1]: Started Journal Service.

 2725 16:01:44.349794  [  OK  ] Started Journal Service.

 2726 16:01:44.361118           Mounting FUSE Control File System...

 2727 16:01:44.372475           Mounting Kernel Configuration File System...

 2728 16:01:44.389874           Starting Flush Journal to Persistent Storage...

 2729 16:01:44.397371           Starting Load/Save Random Seed...

 2730 16:01:44.405223           Starting Apply Kernel Variables...

 2731 16:01:44.413690           Starting Create System Users...

 2732 16:01:44.431382  [  OK  ] Mounted FUSE Control File System[0<46>[   16.568808] systemd-journald[207]: Received client request to flush runtime journal.

 2733 16:01:44.431655  m.

 2734 16:01:44.443871  [  OK  ] Mounted Kernel Configuration File System.

 2735 16:01:44.450439  [  OK  ] Finished Load/Save Random Seed.

 2736 16:01:44.460836  [  OK  ] Finished Apply Kernel Variables.

 2737 16:01:44.571328  [  OK  ] Finished Coldplug All udev Devices.

 2738 16:01:45.557573  [  OK  ] Finished Create System Users.

 2739 16:01:45.571483           Starting Create Static Device Nodes in /dev...

 2740 16:01:45.897608  [  OK  ] Finished Flush Journal to Persistent Storage.

 2741 16:01:45.972841  <6>[   18.111089] systemd-tmpfile (218) used greatest stack depth: 12528 bytes left

 2742 16:01:45.979406  [  OK  ] Finished Create Static Device Nodes in /dev.

 2743 16:01:45.991482  [  OK  ] Reached target Local File Systems (Pre).

 2744 16:01:46.002953  [  OK  ] Reached target Local File Systems.

 2745 16:01:46.017081           Starting Create Volatile Files and Directories...

 2746 16:01:46.037994           Starting Rule-based Manage…for Device Events and Files...

 2747 16:01:46.188010  [  OK  ] Started Rule-based Manager for Device Events and Files.

 2748 16:01:46.198935           Starting Network Service...

 2749 16:01:46.244534  [  OK  ] Finished Create Volatile Files and Directories.

 2750 16:01:46.260763           Starting Network Time Synchronization...

 2751 16:01:46.274432           Starting Update UTMP about System Boot/Shutdown...

 2752 16:01:46.521406  [  OK  ] Finished Update UTMP about System Boot/Shutdown.

 2753 16:01:46.687107  [  OK  ] Found device Sunrise Point-LP Serial IO UART Controller.

 2754 16:01:46.904042  [  OK  ] Created slice system-systemd\x2dbacklight.slice.

 2755 16:01:46.913825  [  OK  ] Listening on Load/Save RF …itch Status /dev/rfkill Watch.

 2756 16:01:46.927243           Starting Load/Save Screen …f backlight:intel_backlight...

 2757 16:01:46.939409           Starting Load/Save Screen …eds:chromeos::kbd_backlight...

 2758 16:01:47.003056  [  OK  ] Finished Load/Save Screen … of backlight:intel_backlight.

 2759 16:01:47.016157  [  OK  ] Started Network Time Synchronization.

 2760 16:01:47.022717  [  OK  ] Started Network Service.

 2761 16:01:47.036471  [  OK  ] Finished Load/Save Screen … leds:chromeos::kbd_backlight.

 2762 16:01:47.049410  [  OK  ] Reached target System Initialization.

 2763 16:01:47.059056  [  OK  ] Started Daily Cleanup of Temporary Directories.

 2764 16:01:47.065884  [  OK  ] Reached target System Time Set.

 2765 16:01:47.077994  [  OK  ] Reached target System Time Synchronized.

 2766 16:01:47.094236  [  OK  ] Started Daily apt download activities.

 2767 16:01:47.105636  [  OK  ] Started Daily apt upgrade and clean activities.

 2768 16:01:47.119345  [  OK  ] Started Periodic ext4 Onli…ata Check for All Filesystems.

 2769 16:01:47.133962  [  OK  ] Started Discard unused blocks once a week.

 2770 16:01:47.140673  [  OK  ] Reached target Timers.

 2771 16:01:47.312775  [  OK  ] Listening on D-Bus System Message Bus Socket.

 2772 16:01:47.320065  [  OK  ] Reached target Sockets.

 2773 16:01:47.326636  [  OK  ] Reached target Basic System.

 2774 16:01:47.340781  [  OK  ] Started D-Bus System Message Bus.

 2775 16:01:47.863564           Starting Remove Stale Onli…t4 Metadata Check Snapshots...

 2776 16:01:48.079360           Starting User Login Management...

 2777 16:01:48.230150           Starting Network Name Resolution...

 2778 16:01:48.464754  [  OK  ] Finished Remove Stale Onli…ext4 Metadata Check Snapshots.

 2779 16:01:48.483041  [  OK  ] Started User Login Management.

 2780 16:01:49.043291  [  OK  ] Started Network Name Resolution.

 2781 16:01:49.051236  [  OK  ] Reached target Network.

 2782 16:01:49.063161  [  OK  ] Reached target Host and Network Name Lookups.

 2783 16:01:49.071173           Starting Permit User Sessions...

 2784 16:01:49.095010  [  OK  ] Finished Permit User Sessions.

 2785 16:01:49.107233  [  OK  ] Started Getty on tty1.

 2786 16:01:49.117278  [  OK  ] Started Serial Getty on ttyS0.

 2787 16:01:49.128674  [  OK  ] Reached target Login Prompts.

 2788 16:01:49.141004  [  OK  ] Reached target Multi-User System.

 2789 16:01:49.152268  [  OK  ] Reached target Graphical Interface.

 2790 16:01:49.169580           Starting Update UTMP about System Runlevel Changes...

 2791 16:01:49.225937  [  OK  ] Finished Update UTMP about System Runlevel Changes.

 2792 16:01:49.275081  

 2793 16:01:49.275182  

 2794 16:01:49.278300  Debian GNU/Linux 11 debian-bullseye-amd64 ttyS0

 2795 16:01:49.278391  

 2796 16:01:49.284869  debian-bullseye-amd64 login: root (automatic login)

 2797 16:01:49.284950  

 2798 16:01:49.285015  

 2799 16:01:49.585102  Linux debian-bullseye-amd64 5.10.181-cip34 #1 SMP Tue May 30 15:47:57 UTC 2023 x86_64

 2800 16:01:49.585262  

 2801 16:01:49.591652  The programs included with the Debian GNU/Linux system are free software;

 2802 16:01:49.598513  the exact distribution terms for each program are described in the

 2803 16:01:49.605213  individual files in /usr/share/doc/*/copyright.

 2804 16:01:49.605319  

 2805 16:01:49.611585  Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent

 2806 16:01:49.614719  permitted by applicable law.

 2807 16:01:50.104230  Matched prompt #10: / #
 2809 16:01:50.104674  Kernel warnings or errors detected.
 2810 16:01:50.104772  Setting prompt string to ['/ #']
 2811 16:01:50.104900  end: 2.2.5.1 login-action (duration 00:00:19) [common]
 2813 16:01:50.105267  end: 2.2.5 auto-login-action (duration 00:00:21) [common]
 2814 16:01:50.105395  start: 2.2.6 expect-shell-connection (timeout 00:04:07) [common]
 2815 16:01:50.105497  Setting prompt string to ['/ #']
 2816 16:01:50.105586  Forcing a shell prompt, looking for ['/ #']
 2818 16:01:50.155870  / # 

 2819 16:01:50.155981  expect-shell-connection: Wait for prompt ['/ #'] (timeout 00:05:00)
 2820 16:01:50.156056  Waiting using forced prompt support (timeout 00:02:30)
 2821 16:01:50.161953  

 2822 16:01:50.162224  end: 2.2.6 expect-shell-connection (duration 00:00:00) [common]
 2823 16:01:50.162316  start: 2.2.7 export-device-env (timeout 00:04:07) [common]
 2825 16:01:50.262664  / # export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/10527071/extract-nfsrootfs-91ay7doq'

 2826 16:01:50.268353  export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/10527071/extract-nfsrootfs-91ay7doq'

 2828 16:01:50.368878  / # export NFS_SERVER_IP='192.168.201.1'

 2829 16:01:50.374133  export NFS_SERVER_IP='192.168.201.1'

 2830 16:01:50.374415  end: 2.2.7 export-device-env (duration 00:00:00) [common]
 2831 16:01:50.374514  end: 2.2 depthcharge-retry (duration 00:00:54) [common]
 2832 16:01:50.374645  end: 2 depthcharge-action (duration 00:00:54) [common]
 2833 16:01:50.374748  start: 3 lava-test-retry (timeout 00:08:41) [common]
 2834 16:01:50.374831  start: 3.1 lava-test-shell (timeout 00:08:41) [common]
 2835 16:01:50.374907  Using namespace: common
 2837 16:01:50.475285  / # #

 2838 16:01:50.475441  lava-test-shell: Wait for prompt ['/ #'] (timeout 00:10:00)
 2839 16:01:50.480760  #

 2840 16:01:50.481028  Using /lava-10527071
 2842 16:01:50.581364  / # export SHELL=/bin/bash

 2843 16:01:50.586785  export SHELL=/bin/bash

 2845 16:01:50.687339  / # . /lava-10527071/environment

 2846 16:01:50.692358  . /lava-10527071/environment

 2848 16:01:50.798192  / # /lava-10527071/bin/lava-test-runner /lava-10527071/0

 2849 16:01:50.798307  Test shell timeout: 10s (minimum of the action and connection timeout)
 2850 16:01:50.803299  /lava-10527071/bin/lava-test-runner /lava-10527071/0

 2851 16:01:51.078852  + export TESTRUN_ID=0_timesync-off

 2852 16:01:51.078989  + TESTRUN_ID=0_timesync-off

 2853 16:01:51.085944  + cd /lava-10527071/0/tests/0_timesync-off

 2854 16:01:51.086103  ++ cat uuid

 2855 16:01:51.088647  + UUID=10527071_1.5.2.3.1

 2856 16:01:51.088731  + set +x

 2857 16:01:51.095202  <LAVA_SIGNAL_STARTRUN 0_timesync-off 10527071_1.5.2.3.1>

 2858 16:01:51.095481  Received signal: <STARTRUN> 0_timesync-off 10527071_1.5.2.3.1
 2859 16:01:51.095559  Starting test lava.0_timesync-off (10527071_1.5.2.3.1)
 2860 16:01:51.095647  Skipping test definition patterns.
 2861 16:01:51.098613  + systemctl stop systemd-timesyncd

 2862 16:01:51.119370  + set +x

 2863 16:01:51.122766  <LAVA_SIGNAL_ENDRUN 0_timesync-off 10527071_1.5.2.3.1>

 2864 16:01:51.123013  Received signal: <ENDRUN> 0_timesync-off 10527071_1.5.2.3.1
 2865 16:01:51.123100  Ending use of test pattern.
 2866 16:01:51.123191  Ending test lava.0_timesync-off (10527071_1.5.2.3.1), duration 0.03
 2868 16:01:51.157495  + export TESTRUN_ID=1_kselftest-lkdtm

 2869 16:01:51.160836  + TESTRUN_ID=1_kselftest-lkdtm

 2870 16:01:51.164231  + cd /lava-10527071/0/tests/1_kselftest-lkdtm

 2871 16:01:51.164316  ++ cat uuid

 2872 16:01:51.167650  + UUID=10527071_1.5.2.3.5

 2873 16:01:51.167723  + set +x

 2874 16:01:51.173949  <LAVA_SIGNAL_STARTRUN 1_kselftest-lkdtm 10527071_1.5.2.3.5>

 2875 16:01:51.174200  Received signal: <STARTRUN> 1_kselftest-lkdtm 10527071_1.5.2.3.5
 2876 16:01:51.174268  Starting test lava.1_kselftest-lkdtm (10527071_1.5.2.3.5)
 2877 16:01:51.174354  Skipping test definition patterns.
 2878 16:01:51.177355  + cd ./automated/linux/kselftest/

 2879 16:01:51.213586  + ./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/v5.10.180-cip34-213-g6582dd41d2c22/x86_64/x86_64_defconfig+x86-chromebook+kselftest/gcc-10/kselftest.tar.xz -L '' -S /dev/null -b asus-C433TA-AJ0005-rammus -g cip-gitlab -e '' -p /opt/kselftests/mainline/ -n 1 -i 1

 2880 16:01:51.216622  INFO: install_deps skipped

 2881 16:01:51.317903  --2023-05-30 16:01:51--  http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.180-cip34-213-g6582dd41d2c22/x86_64/x86_64_defconfig+x86-chromebook+kselftest/gcc-10/kselftest.tar.xz

 2882 16:01:51.324331  Resolving storage.kernelci.org (storage.kernelci.org)... 52.250.1.28

 2883 16:01:51.469220  Connecting to storage.kernelci.org (storage.kernelci.org)|52.250.1.28|:80... connected.

 2884 16:01:51.617690  HTTP request sent, awaiting response... 200 OK

 2885 16:01:51.620995  Length: 3595136 (3.4M) [application/octet-stream]

 2886 16:01:51.624839  Saving to: 'kselftest.tar.xz'

 2887 16:01:51.624922  

 2888 16:01:51.624987  

 2889 16:01:51.912729  kselftest.tar.xz      0%[                    ]       0  --.-KB/s               

 2890 16:01:52.209586  kselftest.tar.xz      1%[                    ]  50.15K   171KB/s               

 2891 16:01:52.587804  kselftest.tar.xz      6%[>                   ] 217.50K   368KB/s               

 2892 16:01:52.947910  kselftest.tar.xz     19%[==>                 ] 667.17K   689KB/s               

 2893 16:01:53.150564  kselftest.tar.xz     41%[=======>            ]   1.43M  1.08MB/s               

 2894 16:01:53.350521  kselftest.tar.xz     81%[===============>    ]   2.81M  1.83MB/s               

 2895 16:01:53.396445  kselftest.tar.xz     97%[==================> ]   3.35M  1.93MB/s               

 2896 16:01:53.402521  kselftest.tar.xz    100%[===================>]   3.43M  1.93MB/s    in 1.8s    

 2897 16:01:53.402605  

 2898 16:01:53.714127  2023-05-30 16:01:53 (1.93 MB/s) - 'kselftest.tar.xz' saved [3595136/3595136]

 2899 16:01:53.714274  

 2900 16:02:01.664381  skiplist:

 2901 16:02:01.667717  ========================================

 2902 16:02:01.670922  ========================================

 2903 16:02:01.705665  lkdtm:PANIC.sh

 2904 16:02:01.705761  lkdtm:BUG.sh

 2905 16:02:01.709185  lkdtm:WARNING.sh

 2906 16:02:01.712013  lkdtm:WARNING_MESSAGE.sh

 2907 16:02:01.712098  lkdtm:EXCEPTION.sh

 2908 16:02:01.715883  lkdtm:LOOP.sh

 2909 16:02:01.715960  lkdtm:EXHAUST_STACK.sh

 2910 16:02:01.718815  lkdtm:CORRUPT_STACK.sh

 2911 16:02:01.721967  lkdtm:CORRUPT_STACK_STRONG.sh

 2912 16:02:01.725621  lkdtm:CORRUPT_LIST_ADD.sh

 2913 16:02:01.728615  lkdtm:CORRUPT_LIST_DEL.sh

 2914 16:02:01.731888  lkdtm:STACK_GUARD_PAGE_LEADING.sh

 2915 16:02:01.735485  lkdtm:STACK_GUARD_PAGE_TRAILING.sh

 2916 16:02:01.735560  lkdtm:UNSET_SMEP.sh

 2917 16:02:01.738545  lkdtm:DOUBLE_FAULT.sh

 2918 16:02:01.742073  lkdtm:CORRUPT_PAC.sh

 2919 16:02:01.745435  lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh

 2920 16:02:01.748999  lkdtm:OVERWRITE_ALLOCATION.sh

 2921 16:02:01.749072  lkdtm:WRITE_AFTER_FREE.sh

 2922 16:02:01.751756  lkdtm:READ_AFTER_FREE.sh

 2923 16:02:01.755101  lkdtm:WRITE_BUDDY_AFTER_FREE.sh

 2924 16:02:01.758412  lkdtm:READ_BUDDY_AFTER_FREE.sh

 2925 16:02:01.762075  lkdtm:SLAB_FREE_DOUBLE.sh

 2926 16:02:01.764880  lkdtm:SLAB_FREE_CROSS.sh

 2927 16:02:01.764963  lkdtm:SLAB_FREE_PAGE.sh

 2928 16:02:01.768801  lkdtm:SOFTLOCKUP.sh

 2929 16:02:01.771609  lkdtm:HARDLOCKUP.sh

 2930 16:02:01.771688  lkdtm:SPINLOCKUP.sh

 2931 16:02:01.775230  lkdtm:HUNG_TASK.sh

 2932 16:02:01.775333  lkdtm:EXEC_DATA.sh

 2933 16:02:01.778316  lkdtm:EXEC_STACK.sh

 2934 16:02:01.781738  lkdtm:EXEC_KMALLOC.sh

 2935 16:02:01.781811  lkdtm:EXEC_VMALLOC.sh

 2936 16:02:01.784879  lkdtm:EXEC_RODATA.sh

 2937 16:02:01.788033  lkdtm:EXEC_USERSPACE.sh

 2938 16:02:01.788113  lkdtm:EXEC_NULL.sh

 2939 16:02:01.791276  lkdtm:ACCESS_USERSPACE.sh

 2940 16:02:01.794654  lkdtm:ACCESS_NULL.sh

 2941 16:02:01.794725  lkdtm:WRITE_RO.sh

 2942 16:02:01.797992  lkdtm:WRITE_RO_AFTER_INIT.sh

 2943 16:02:01.801147  lkdtm:WRITE_KERN.sh

 2944 16:02:01.804943  lkdtm:REFCOUNT_INC_OVERFLOW.sh

 2945 16:02:01.808000  lkdtm:REFCOUNT_ADD_OVERFLOW.sh

 2946 16:02:01.811501  lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh

 2947 16:02:01.814761  lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh

 2948 16:02:01.817913  lkdtm:REFCOUNT_DEC_ZERO.sh

 2949 16:02:01.821598  lkdtm:REFCOUNT_DEC_NEGATIVE.sh

 2950 16:02:01.824343  lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh

 2951 16:02:01.827899  lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh

 2952 16:02:01.831566  lkdtm:REFCOUNT_INC_ZERO.sh

 2953 16:02:01.834862  lkdtm:REFCOUNT_ADD_ZERO.sh

 2954 16:02:01.838107  lkdtm:REFCOUNT_INC_SATURATED.sh

 2955 16:02:01.841289  lkdtm:REFCOUNT_DEC_SATURATED.sh

 2956 16:02:01.844643  lkdtm:REFCOUNT_ADD_SATURATED.sh

 2957 16:02:01.848368  lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh

 2958 16:02:01.851404  lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh

 2959 16:02:01.854834  lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh

 2960 16:02:01.861135  lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh

 2961 16:02:01.864591  lkdtm:REFCOUNT_TIMING.sh

 2962 16:02:01.864673  lkdtm:ATOMIC_TIMING.sh

 2963 16:02:01.867515  lkdtm:USERCOPY_HEAP_SIZE_TO.sh

 2964 16:02:01.870880  lkdtm:USERCOPY_HEAP_SIZE_FROM.sh

 2965 16:02:01.874225  lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh

 2966 16:02:01.877550  lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh

 2967 16:02:01.880761  lkdtm:USERCOPY_STACK_FRAME_TO.sh

 2968 16:02:01.884100  lkdtm:USERCOPY_STACK_FRAME_FROM.sh

 2969 16:02:01.887612  lkdtm:USERCOPY_STACK_BEYOND.sh

 2970 16:02:01.890985  lkdtm:USERCOPY_KERNEL.sh

 2971 16:02:01.893993  lkdtm:STACKLEAK_ERASING.sh

 2972 16:02:01.897315  lkdtm:CFI_FORWARD_PROTO.sh

 2973 16:02:01.900346  ============== Tests to run ===============

 2974 16:02:01.904140  lkdtm:PANIC.sh

 2975 16:02:01.904223  lkdtm:BUG.sh

 2976 16:02:01.907612  lkdtm:WARNING.sh

 2977 16:02:01.907695  lkdtm:WARNING_MESSAGE.sh

 2978 16:02:01.910594  lkdtm:EXCEPTION.sh

 2979 16:02:01.910677  lkdtm:LOOP.sh

 2980 16:02:01.914037  lkdtm:EXHAUST_STACK.sh

 2981 16:02:01.916878  lkdtm:CORRUPT_STACK.sh

 2982 16:02:01.920181  lkdtm:CORRUPT_STACK_STRONG.sh

 2983 16:02:01.923512  lkdtm:CORRUPT_LIST_ADD.sh

 2984 16:02:01.923594  lkdtm:CORRUPT_LIST_DEL.sh

 2985 16:02:01.926672  lkdtm:STACK_GUARD_PAGE_LEADING.sh

 2986 16:02:01.929945  lkdtm:STACK_GUARD_PAGE_TRAILING.sh

 2987 16:02:01.933209  lkdtm:UNSET_SMEP.sh

 2988 16:02:01.936623  lkdtm:DOUBLE_FAULT.sh

 2989 16:02:01.936706  lkdtm:CORRUPT_PAC.sh

 2990 16:02:01.943225  lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh

 2991 16:02:01.943354  lkdtm:OVERWRITE_ALLOCATION.sh

 2992 16:02:01.946333  lkdtm:WRITE_AFTER_FREE.sh

 2993 16:02:01.949558  lkdtm:READ_AFTER_FREE.sh

 2994 16:02:01.952849  lkdtm:WRITE_BUDDY_AFTER_FREE.sh

 2995 16:02:01.956417  lkdtm:READ_BUDDY_AFTER_FREE.sh

 2996 16:02:01.959711  lkdtm:SLAB_FREE_DOUBLE.sh

 2997 16:02:01.963003  lkdtm:SLAB_FREE_CROSS.sh

 2998 16:02:01.963085  lkdtm:SLAB_FREE_PAGE.sh

 2999 16:02:01.966192  lkdtm:SOFTLOCKUP.sh

 3000 16:02:01.969217  lkdtm:HARDLOCKUP.sh

 3001 16:02:01.969299  lkdtm:SPINLOCKUP.sh

 3002 16:02:01.972659  lkdtm:HUNG_TASK.sh

 3003 16:02:01.972741  lkdtm:EXEC_DATA.sh

 3004 16:02:01.976059  lkdtm:EXEC_STACK.sh

 3005 16:02:01.979095  lkdtm:EXEC_KMALLOC.sh

 3006 16:02:01.979176  lkdtm:EXEC_VMALLOC.sh

 3007 16:02:01.982644  lkdtm:EXEC_RODATA.sh

 3008 16:02:01.985874  lkdtm:EXEC_USERSPACE.sh

 3009 16:02:01.985956  lkdtm:EXEC_NULL.sh

 3010 16:02:01.988725  lkdtm:ACCESS_USERSPACE.sh

 3011 16:02:01.992323  lkdtm:ACCESS_NULL.sh

 3012 16:02:01.992405  lkdtm:WRITE_RO.sh

 3013 16:02:01.995259  lkdtm:WRITE_RO_AFTER_INIT.sh

 3014 16:02:01.998842  lkdtm:WRITE_KERN.sh

 3015 16:02:02.002164  lkdtm:REFCOUNT_INC_OVERFLOW.sh

 3016 16:02:02.005712  lkdtm:REFCOUNT_ADD_OVERFLOW.sh

 3017 16:02:02.008632  lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh

 3018 16:02:02.012484  lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh

 3019 16:02:02.015550  lkdtm:REFCOUNT_DEC_ZERO.sh

 3020 16:02:02.018599  lkdtm:REFCOUNT_DEC_NEGATIVE.sh

 3021 16:02:02.021954  lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh

 3022 16:02:02.025436  lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh

 3023 16:02:02.028975  lkdtm:REFCOUNT_INC_ZERO.sh

 3024 16:02:02.031821  lkdtm:REFCOUNT_ADD_ZERO.sh

 3025 16:02:02.035623  lkdtm:REFCOUNT_INC_SATURATED.sh

 3026 16:02:02.038330  lkdtm:REFCOUNT_DEC_SATURATED.sh

 3027 16:02:02.041573  lkdtm:REFCOUNT_ADD_SATURATED.sh

 3028 16:02:02.045108  lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh

 3029 16:02:02.048237  lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh

 3030 16:02:02.054751  lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh

 3031 16:02:02.058313  lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh

 3032 16:02:02.061234  lkdtm:REFCOUNT_TIMING.sh

 3033 16:02:02.061315  lkdtm:ATOMIC_TIMING.sh

 3034 16:02:02.064734  lkdtm:USERCOPY_HEAP_SIZE_TO.sh

 3035 16:02:02.068020  lkdtm:USERCOPY_HEAP_SIZE_FROM.sh

 3036 16:02:02.071440  lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh

 3037 16:02:02.074592  lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh

 3038 16:02:02.078158  lkdtm:USERCOPY_STACK_FRAME_TO.sh

 3039 16:02:02.084453  lkdtm:USERCOPY_STACK_FRAME_FROM.sh

 3040 16:02:02.084535  lkdtm:USERCOPY_STACK_BEYOND.sh

 3041 16:02:02.087611  lkdtm:USERCOPY_KERNEL.sh

 3042 16:02:02.091219  lkdtm:STACKLEAK_ERASING.sh

 3043 16:02:02.094238  lkdtm:CFI_FORWARD_PROTO.sh

 3044 16:02:02.097512  ===========End Tests to run ===============

 3045 16:02:02.142304  <12>[   34.284674] kselftest: Running tests in lkdtm

 3046 16:02:02.148669  TAP version 13

 3047 16:02:02.158017  1..70

 3048 16:02:02.163628  # selftests: lkdtm: PANIC.sh

 3049 16:02:02.534853  # Skipping PANIC: crashes entire system

 3050 16:02:02.538346  ok 1 selftests: lkdtm: PANIC.sh # SKIP

 3051 16:02:02.541805  # selftests: lkdtm: BUG.sh

 3052 16:02:02.616150  <6>[   34.758284] lkdtm: Performing direct entry BUG

 3053 16:02:02.623141  <4>[   34.763790] ------------[ cut here ]------------

 3054 16:02:02.629162  <2>[   34.769301] kernel BUG at drivers/misc/lkdtm/bugs.c:76!

 3055 16:02:02.632286  <4>[   34.775516] invalid opcode: 0000 [#1] SMP PTI

 3056 16:02:02.642233  <4>[   34.780689] CPU: 3 PID: 637 Comm: cat Tainted: G        W         5.10.181-cip34 #1

 3057 16:02:02.648875  <4>[   34.789545] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3058 16:02:02.655289  <4>[   34.796645] RIP: 0010:lkdtm_BUG+0x5/0x10

 3059 16:02:02.675292  <4>[   34.801319] Code: 89 ff e8 4e e7 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 57 e9 02

 3060 16:02:02.682129  <4>[   34.822589] RSP: 0018:ffffac21c131fe60 EFLAGS: 00010286

 3061 16:02:02.688316  <4>[   34.828714] RAX: ffffffffa0379430 RBX: 0000000000000001 RCX: 0000000000000000

 3062 16:02:02.698465  <4>[   34.836974] RDX: 0000000000000000 RSI: ffff9efd3ad9bf70 RDI: ffffffffa137e830

 3063 16:02:02.704693  <4>[   34.845234] RBP: ffffffffa185db78 R08: 0000000000000001 R09: 0000000000000001

 3064 16:02:02.714516  <4>[   34.853493] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3065 16:02:02.721495  <4>[   34.861753] R13: ffffac21c131ff10 R14: ffffac21c131ff10 R15: ffff9efcc43c9000

 3066 16:02:02.730932  <4>[   34.870013] FS:  00007f2f4b62c580(0000) GS:ffff9efd3ad80000(0000) knlGS:0000000000000000

 3067 16:02:02.737588  <4>[   34.879334] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3068 16:02:02.747909  <4>[   34.886041] CR2: 00007f2f4b436000 CR3: 0000000103cae006 CR4: 00000000003706e0

 3069 16:02:02.751010  <4>[   34.894300] Call Trace:

 3070 16:02:02.753754  <4>[   34.897319]  ? __die_body.cold+0x1a/0x1f

 3071 16:02:02.757237  <4>[   34.901994]  ? die+0x2b/0x50

 3072 16:02:02.760376  <4>[   34.905498]  ? do_trap+0x91/0x110

 3073 16:02:02.767250  <4>[   34.909494]  ? lkdtm_BUG+0x5/0x10

 3074 16:02:02.770585  <4>[   34.913491]  ? do_error_trap+0x90/0x110

 3075 16:02:02.773442  <4>[   34.918062]  ? lkdtm_BUG+0x5/0x10

 3076 16:02:02.780175  <4>[   34.922040]  ? lkdtm_BUG+0x5/0x10

 3077 16:02:02.783408  <4>[   34.926030]  ? exc_invalid_op+0x4e/0x70

 3078 16:02:02.786867  <4>[   34.930600]  ? lkdtm_BUG+0x5/0x10

 3079 16:02:02.793177  <4>[   34.934589]  ? asm_exc_invalid_op+0x12/0x20

 3080 16:02:02.796579  <4>[   34.939549]  ? direct_entry+0xe0/0xe0

 3081 16:02:02.799901  <4>[   34.943926]  ? lkdtm_BUG+0x5/0x10

 3082 16:02:02.806441  <4>[   34.947916]  direct_entry.cold+0x2c/0x38

 3083 16:02:02.809483  <4>[   34.952587]  full_proxy_write+0x53/0x80

 3084 16:02:02.813122  <4>[   34.957160]  vfs_write+0xe7/0x3b0

 3085 16:02:02.816394  <4>[   34.961148]  ksys_write+0x68/0xf0

 3086 16:02:02.822761  <4>[   34.965128]  do_syscall_64+0x30/0x40

 3087 16:02:02.829137  <4>[   34.969399]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 3088 16:02:02.832507  <4>[   34.975329] RIP: 0033:0x7f2f4b542473

 3089 16:02:02.852088  <4>[   34.979609] 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

 3090 16:02:02.862084  <4>[   35.000879] RSP: 002b:00007ffdae77f8a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3091 16:02:02.872092  <4>[   35.009625] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f2f4b542473

 3092 16:02:02.878613  <4>[   35.017877] RDX: 0000000000000004 RSI: 00007f2f4b436000 RDI: 0000000000000001

 3093 16:02:02.888237  <4>[   35.026137] RBP: 00007f2f4b436000 R08: 00007f2f4b435010 R09: 0000000000000000

 3094 16:02:02.895262  <4>[   35.034397] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3095 16:02:02.905282  <4>[   35.042661] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3096 16:02:02.957234  <4>[   35.050935] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 3097 16:02:02.964119  <0>[   35.105625] gsmi: Log Shutdown Reason 0x03

 3098 16:02:02.967633  <4>[   35.110529] ---[ end trace ffd54ce207130e76 ]---

 3099 16:02:02.973759  <4>[   35.116003] RIP: 0010:lkdtm_BUG+0x5/0x10

 3100 16:02:02.993302  <4>[   35.120677] Code: 89 ff e8 4e e7 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 57 e9 02

 3101 16:02:03.000468  <4>[   35.141956] RSP: 0018:ffffac21c131fe60 EFLAGS: 00010286

 3102 16:02:03.009669  <4>[   35.148090] RAX: ffffffffa0379430 RBX: 0000000000000001 RCX: 0000000000000000

 3103 16:02:03.016557  <4>[   35.156350] RDX: 0000000000000000 RSI: ffff9efd3ad9bf70 RDI: ffffffffa137e830

 3104 16:02:03.026409  <4>[   35.164642] RBP: ffffffffa185db78 R08: 0000000000000001 R09: 0000000000000001

 3105 16:02:03.032862  <4>[   35.172904] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3106 16:02:03.042989  <4>[   35.181167] R13: ffffac21c131ff10 R14: ffffac21c131ff10 R15: ffff9efcc43c9000

 3107 16:02:03.052379  <4>[   35.189444] FS:  00007f2f4b62c580(0000) GS:ffff9efd3ad80000(0000) knlGS:0000000000000000

 3108 16:02:03.059100  <4>[   35.198782] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3109 16:02:03.065887  <4>[   35.205520] CR2: 00007f2f4b436000 CR3: 0000000103cae006 CR4: 00000000003706e0

 3110 16:02:03.069008  # Segmentation fault

 3111 16:02:03.085583  # [   34.758284] lkdtm: Performing direct entry BUG

 3112 16:02:03.092226  # [   34.763790] ------------[ cut here ]------------

 3113 16:02:03.095784  # [   34.769301] kernel BUG at drivers/misc/lkdtm/bugs.c:76!

 3114 16:02:03.101933  # [   34.775516] invalid opcode: 0000 [#1] SMP PTI

 3115 16:02:03.112778  # [   34.780689] CPU: 3 PID: 637 Comm: cat Tainted: G        W         5.10.181-cip34 #1

 3116 16:02:03.118612  # [   34.789545] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3117 16:02:03.122069  # [   34.796645] RIP: 0010:lkdtm_BUG+0x5/0x10

 3118 16:02:03.144671  # [   34.801319] Code: 89 ff e8 4e e7 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 57 e9 02

 3119 16:02:03.147877  # [   34.822589] RSP: 0018:ffffac21c131fe60 EFLAGS: 00010286

 3120 16:02:03.154924  <6>[   35.295267] lkdtm: Performing direct entry WARNING

 3121 16:02:03.161283  <4>[   35.302700] ------------[ cut here ]------------

 3122 16:02:03.171002  <4>[   35.308161] WARNING: CPU: 3 PID: 675 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20

 3123 16:02:03.223939  <4>[   35.317889] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 3124 16:02:03.236792  # [   34.828714] RAX: ffffffffa0379430 RBX: 0000000000000001 RCX<4>[   35.370667] CPU: 3 PID: 675 Comm: cat Tainted: G      D W         5.10.181-cip34 #1

 3125 16:02:03.246682  <4>[   35.385725] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3126 16:02:03.246770  : 0000000000000000

 3127 16:02:03.256949  # [   34.836974] RDX: 0000000000000000 RSI: <4>[   35.392852] RIP: 0010:lkdtm_WARNING+0x13/0x20

 3128 16:02:03.279616  <4>[   35.404214] 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 60 57 e9 02 01 75 05 c3 cc cc cc cc <0f> 0b c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 41 57

 3129 16:02:03.283337  <4>[   35.425522] RSP: 0018:ffffac21c13d7e60 EFLAGS: 00010202

 3130 16:02:03.289446  ffff9efd3ad9bf70 RDI: ffffffffa137e830

 3131 16:02:03.299612  # [   34.845234] RBP: ff<4>[   35.431665] RAX: ffffffffa0379440 RBX: 0000000000000002 RCX: 0000000000000000

 3132 16:02:03.305962  <4>[   35.446132] RDX: 0000000000000000 RSI: ffff9efd3ad9bf70 RDI: ffffffffa137e840

 3133 16:02:03.315863  <4>[   35.454395] RBP: ffffffffa17f9477 R08: 0000000000000000 R09: 0000000000000000

 3134 16:02:03.322503  <4>[   35.462658] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008

 3135 16:02:03.332142  <4>[   35.470922] R13: ffffac21c13d7f10 R14: ffffac21c13d7f10 R15: ffff9efcc595a000

 3136 16:02:03.342350  <4>[   35.479187] FS:  00007fab69c89580(0000) GS:ffff9efd3ad80000(0000) knlGS:0000000000000000

 3137 16:02:03.348846  <4>[   35.488519] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3138 16:02:03.355549  <4>[   35.495229] CR2: 00007fab69a93000 CR3: 0000000103cc4004 CR4: 00000000003706e0

 3139 16:02:03.358367  <4>[   35.503493] Call Trace:

 3140 16:02:03.361575  <4>[   35.506532]  ? __warn+0x80/0x110

 3141 16:02:03.368475  ffffffa185db78 R08: 0000000000000001 R09: 0000000000000001

 3142 16:02:03.374923  # [ <4>[   35.510438]  ? lkdtm_WARNING+0x13/0x20

 3143 16:02:03.378080  <4>[   35.521123]  ? report_bug+0x9e/0xc0

 3144 16:02:03.381403  <4>[   35.525310]  ? handle_bug+0x41/0x90

 3145 16:02:03.387888  <4>[   35.529498]  ? exc_invalid_op+0x14/0x70

 3146 16:02:03.391202  <4>[   35.534074]  ? asm_exc_invalid_op+0x12/0x20

 3147 16:02:03.395076  <4>[   35.539040]  ? lkdtm_BUG+0x10/0x10

 3148 16:02:03.401100  <4>[   35.543153]  ? lkdtm_WARNING+0x13/0x20

 3149 16:02:03.404223  <4>[   35.547655]  direct_entry.cold+0x2c/0x38

 3150 16:02:03.410640  <4>[   35.552352]  full_proxy_write+0x53/0x80

 3151 16:02:03.413867  <4>[   35.556953]  vfs_write+0xe7/0x3b0

 3152 16:02:03.417430  <4>[   35.560975]  ksys_write+0x68/0xf0

 3153 16:02:03.420611  <4>[   35.564967]  do_syscall_64+0x30/0x40

 3154 16:02:03.427332  <4>[   35.569250]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 3155 16:02:03.430597  <4>[   35.575184] RIP: 0033:0x7fab69b9f473

 3156 16:02:03.453373  <4>[   35.579479] 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

 3157 16:02:03.463115  <4>[   35.600789] RSP: 002b:00007fffc0652598 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3158 16:02:03.470145  <4>[   35.609538] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007fab69b9f473

 3159 16:02:03.479936  <4>[   35.617801] RDX: 0000000000000008 RSI: 00007fab69a93000 RDI: 0000000000000001

 3160 16:02:03.486208  <4>[   35.626065] RBP: 00007fab69a93000 R08: 00007fab69a92010 R09: 0000000000000000

 3161 16:02:03.496409  <4>[   35.634330] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3162 16:02:03.502572  <4>[   35.642594] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3163 16:02:03.512668    34.853493] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00<4>[   35.650863] irq event stamp: 0

 3164 16:02:03.515778  00000000000004

 3165 16:02:03.525718  # [   34.861753] R13: ffffac21c131ff10 R14: ffff<4>[   35.660774] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3166 16:02:03.535456  <4>[   35.674282] hardirqs last disabled at (0): [<ffffffff9f8fd844>] copy_process+0x664/0x1c60

 3167 16:02:03.545427  <4>[   35.683708] softirqs last  enabled at (0): [<ffffffff9f8fd844>] copy_process+0x664/0x1c60

 3168 16:02:03.552437  <4>[   35.693134] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3169 16:02:03.558880  <4>[   35.700443] ---[ end trace ffd54ce207130e77 ]---

 3170 16:02:03.561883  ac21c131ff10 R15: ffff9efcc43c9000

 3171 16:02:03.571915  # [   34.870013] FS:  00007f2f4b62c580(0000) GS:ffff9efd3ad80000(0000) knlGS:0000000000000000

 3172 16:02:03.578667  # [   34.879334] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3173 16:02:03.584776  # [   34.886041] CR2: 00007f2f4b436000 CR3: 0000000103cae006 CR4: 00000000003706e0

 3174 16:02:03.588230  # [   34.894300] Call Trace:

 3175 16:02:03.595008  # [   34.897319]  ? __die_body.cold+0x1a/0x1f

 3176 16:02:03.598032  # [   34.901994]  ? die+0x2b/0x50

 3177 16:02:03.601211  # [   34.905498]  ? do_trap+0x91/0x110

 3178 16:02:03.604495  # [   34.909494]  ? lkdtm_BUG+0x5/0x10

 3179 16:02:03.608565  # [   34.913491]  ? do_error_trap+0x90/0x110

 3180 16:02:03.611229  # [   34.918062]  ? lkdtm_BUG+0x5/0x10

 3181 16:02:03.618293  # [   34.922040]  ? lkdtm_BUG+0x5/0x10

 3182 16:02:03.621260  # [   34.926030]  ? exc_invalid_op+0x4e/0x70

 3183 16:02:03.624646  # [   34.930600]  ? lkdtm_BUG+0x5/0x10

 3184 16:02:03.630879  # [   34.934589]  ? asm_exc_invalid_op+0x12/0x20

 3185 16:02:03.640793  # [   34.939549]  ? direct_entr<6>[   35.780300] lkdtm: Performing direct entry WARNING_MESSAGE

 3186 16:02:03.640877  y+0xe0/0xe0

 3187 16:02:03.644136  # [   34.943926]  ? lkdtm_BUG+0x5/0x10

 3188 16:02:03.650513  # [   34.94<4>[   35.786947] ------------[ cut here ]------------

 3189 16:02:03.653965  7916]  direct_entry.cold+0x2c/0x38

 3190 16:02:03.663999  # [   34.952587]  full_proxy<4>[   35.798641] Warning message trigger count: 2

 3191 16:02:03.664089  _write+0x53/0x80

 3192 16:02:03.666959  # [   34.957160]  vfs_write+0xe7/0x3b0

 3193 16:02:03.680024  # [   <4>[   35.809945] WARNING: CPU: 0 PID: 710 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30

 3194 16:02:03.683541  34.961148]  ksys_write+0x68/0xf0

 3195 16:02:03.739425  # [   34.965128]  do_syscall_6<4>[   35.826661] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 3196 16:02:03.739514  4+0x30/0x40

 3197 16:02:03.752712  # [   34.969399]  entry_SYSCALL_64_after_hwframe+0x<4>[   35.885612] CPU: 0 PID: 710 Comm: cat Tainted: G      D W         5.10.181-cip34 #1

 3198 16:02:03.752807  61/0xc6

 3199 16:02:03.759512  # [   34.975329] RIP: 0033:0x7f2f4b542473

 3200 16:02:03.765816  # [   34.979<4>[   35.900665] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3201 16:02:03.779012  609] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff<4>[   35.913989] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30

 3202 16:02:03.805207   eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 <4>[   35.926132] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 41 57 e9 02 48 c7 c7 d8 99 7f a1 8d 70 01 89 35 31 57 e9 02 e8 57 d2 64 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7

 3203 16:02:03.818690  00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48<4>[   35.953633] RSP: 0018:ffffac21c142fe60 EFLAGS: 00010286

 3204 16:02:03.818774   89 54 24 18

 3205 16:02:03.832017  # [   35.000879] RSP: 002b:00007ffdae77f8a8 EFLAGS<4>[   35.965982] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000

 3206 16:02:03.838379  : 00000246 ORIG_RAX: 0000000000000001

 3207 16:02:03.848355  # [   35.009625] RAX: fff<4>[   35.980538] RDX: ffff9efd3ac2c660 RSI: ffff9efd3ac1bf70 RDI: ffff9efd3ac1bf70

 3208 16:02:03.854780  fffffffffffda RBX: 0000000000000004 RCX: 00007f2f4b542473

 3209 16:02:03.861874  # [  <4>[   35.994954] RBP: ffffffffa17f947f R08: 0000000000000000 R09: 0000000000000000

 3210 16:02:03.877878   35.017877] RDX: 0000000000000004 RSI: 00007f2f4b436000 RDI: 000<4>[   36.009528] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010

 3211 16:02:03.877961  0000000000001

 3212 16:02:03.891077  # [   35.026137] RBP: 00007f2f4b436000 R08: 00007<4>[   36.023961] R13: ffffac21c142ff10 R14: ffffac21c142ff10 R15: ffff9efcc47e7000

 3213 16:02:03.894420  f2f4b435010 R09: 0000000000000000

 3214 16:02:03.907449  # [   35.034397] R10: fffffff<4>[   36.038467] FS:  00007f2dca55a580(0000) GS:ffff9efd3ac00000(0000) knlGS:0000000000000000

 3215 16:02:03.911034  ffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3216 16:02:03.920374  # [   35.<4>[   36.053973] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3217 16:02:03.933849  042661] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000<4>[   36.066906] CR2: 00007f2dca364000 CR3: 0000000103cb6006 CR4: 00000000003706f0

 3218 16:02:03.933933  000020000

 3219 16:02:03.943507  # [   35.050935] Modules linked in: fuse ip_tables cr<4>[   36.081382] Call Trace:

 3220 16:02:03.953339  os_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industriali<4>[   36.090651]  ? __warn+0x80/0x110

 3221 16:02:03.963561  o_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvide<4>[   36.100735]  ? lkdtm_WARNING_MESSAGE+0x20/0x30

 3222 16:02:03.976873  o videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightb<4>[   36.112216]  ? report_bug+0x9e/0xc0

 3223 16:02:03.985958  ar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_<4>[   36.122608]  ? handle_bug+0x41/0x90

 3224 16:02:03.996442  core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v<4>[   36.133057]  ? exc_invalid_op+0x14/0x70

 3225 16:02:04.009381  4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine vide<4>[   36.143805]  ? asm_exc_invalid_op+0x12/0x20

 3226 16:02:04.019395  obuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstor<4>[   36.155012]  ? lkdtm_WARNING_MESSAGE+0x20/0x30

 3227 16:02:04.022312  e cros_kbd_led_backlight coreboot_table

 3228 16:02:04.029017  # [   35.105625] gsmi: <4>[   36.166486]  direct_entry.cold+0x2c/0x38

 3229 16:02:04.032390  Log Shutdown Reason 0x03

 3230 16:02:04.042132  # [   35.110529] ---[ end trace ffd54c<4>[   36.177396]  full_proxy_write+0x53/0x80

 3231 16:02:04.042215  e207130e76 ]---

 3232 16:02:04.045397  # [   35.116003] RIP: 0010:lkdtm_BUG+0x5/0x10

 3233 16:02:04.052010  <4>[   36.188148]  vfs_write+0xe7/0x3b0

 3234 16:02:04.061786  # [   35.120677] Code: 89 ff e8 4e e7 79 ff 48 c7 c0 ea ff ff ff<4>[   36.198381]  ksys_write+0x68/0xf0

 3235 16:02:04.071716   eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff <4>[   36.208568]  do_syscall_64+0x30/0x40

 3236 16:02:04.084989  eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44<4>[   36.219086]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 3237 16:02:04.085073   00 00 83 05 60 57 e9 02

 3238 16:02:04.094826  # [   35.141956] RSP: 0018:ffffac21c13<4>[   36.231218] RIP: 0033:0x7f2dca470473

 3239 16:02:04.098321  1fe60 EFLAGS: 00010286

 3240 16:02:04.121000  # [   35.148090] RAX: ffffffffa0379430 R<4>[   36.241738] 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

 3241 16:02:04.127349  BX: 0000000000000001 RCX: 0000000000000000

 3242 16:02:04.137653  # [   35.156350] RDX<4>[   36.269213] RSP: 002b:00007ffc5a6e0968 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3243 16:02:04.143919  : 0000000000000000 RSI: ffff9efd3ad9bf70 RDI: ffffffffa137e830

 3244 16:02:04.150671  <4>[   36.284168] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f2dca470473

 3245 16:02:04.166883  # [   35.164642] RBP: ffffffffa185db78 R08: 0000000000000001 R09<4>[   36.298664] RDX: 0000000000000010 RSI: 00007f2dca364000 RDI: 0000000000000001

 3246 16:02:04.166968  : 0000000000000001

 3247 16:02:04.180257  # [   35.172904] R10: 00000000ffffe000 R11: <4>[   36.313155] RBP: 00007f2dca364000 R08: 00007f2dca363010 R09: 0000000000000000

 3248 16:02:04.183215  3fffffffffffffff R12: 0000000000000004

 3249 16:02:04.193162  # [   35.181167] R13: ff<4>[   36.327641] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3250 16:02:04.200177  ffac21c131ff10 R14: ffffac21c131ff10 R15: ffff9efcc43c9000

 3251 16:02:04.209601  # [ <4>[   36.342144] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3252 16:02:04.219366    35.189444] FS:  00007f2f4b62c580(0000) GS:ffff9efd3ad80000(000<4>[   36.356639] irq event stamp: 0

 3253 16:02:04.222872  0) knlGS:0000000000000000

 3254 16:02:04.232652  # [   35.198782] CS:  0010 DS: 0000 E<4>[   36.366572] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3255 16:02:04.235668  S: 0000 CR0: 0000000080050033

 3256 16:02:04.249188  # [   35.205520] CR2: 00007f2f4b4<4>[   36.380085] hardirqs last disabled at (0): [<ffffffff9f8fd844>] copy_process+0x664/0x1c60

 3257 16:02:04.252486  36000 CR3: 0000000103cae006 CR4: 00000000003706e0

 3258 16:02:04.265478  # BUG: saw 'k<4>[   36.395756] softirqs last  enabled at (0): [<ffffffff9f8fd844>] copy_process+0x664/0x1c60

 3259 16:02:04.265562  ernel BUG at': ok

 3260 16:02:04.269045  ok 2 selftests: lkdtm: BUG.sh

 3261 16:02:04.278472  # selftests: l<4>[   36.411392] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3262 16:02:04.278555  kdtm: WARNING.sh

 3263 16:02:04.288481  # [   35.295267] lkdtm: Performing direct entr<4>[   36.424916] ---[ end trace ffd54ce207130e78 ]---

 3264 16:02:04.291763  y WARNING

 3265 16:02:04.294973  # [   35.302700] ------------[ cut here ]------------

 3266 16:02:04.304645  # [   35.308161] WARNING: CPU: 3 PID: 675 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20

 3267 16:02:04.357224  # [   35.317889] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 3268 16:02:04.370976  # [   35.370667] CPU: 3 PID: 675 Comm: cat Tainted: G      D <6>[   36.510373] lkdtm: Performing direct entry EXCEPTION

 3269 16:02:04.374011  W         5.10.181-cip34 #1

 3270 16:02:04.383791  # [   35.385725] Hardware name: Goo<1>[   36.517010] BUG: kernel NULL pointer dereference, address: 0000000000000000

 3271 16:02:04.390353  <1>[   36.531271] #PF: supervisor write access in kernel mode

 3272 16:02:04.397336  <1>[   36.537396] #PF: error_code(0x0002) - not-present page

 3273 16:02:04.400521  <6>[   36.543438] PGD 0 P4D 0 

 3274 16:02:04.403358  <4>[   36.546555] Oops: 0002 [#2] SMP PTI

 3275 16:02:04.413685  <4>[   36.550738] CPU: 0 PID: 742 Comm: cat Tainted: G      D W         5.10.181-cip34 #1

 3276 16:02:04.420140  <4>[   36.559582] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3277 16:02:04.423244  <4>[   36.566683] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20

 3278 16:02:04.446162  <4>[   36.571940] Code: 48 c7 c7 d8 99 7f a1 8d 70 01 89 35 31 57 e9 02 e8 57 d2 64 00 0f 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 <c7> 04 25 00 00 00 00 00 00 00 00 c3 cc cc cc cc 66 66 2e 0f 1f 84

 3279 16:02:04.452970  <4>[   36.593215] RSP: 0018:ffffac21c14efe60 EFLAGS: 00010286

 3280 16:02:04.459726  <4>[   36.599340] RAX: ffffffffa0379490 RBX: 0000000000000004 RCX: 0000000000000000

 3281 16:02:04.469201  <4>[   36.607602] RDX: 0000000000000000 RSI: ffff9efd3ac1bf70 RDI: ffffffffa137e860

 3282 16:02:04.475975  <4>[   36.615869] RBP: ffffffffa16ed9df R08: 0000000000000000 R09: 0000000000000000

 3283 16:02:04.485774  <4>[   36.624129] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a

 3284 16:02:04.492465  <4>[   36.632391] R13: ffffac21c14eff10 R14: ffffac21c14eff10 R15: ffff9efcc5f13000

 3285 16:02:04.502138  <4>[   36.640653] FS:  00007f7caffdb580(0000) GS:ffff9efd3ac00000(0000) knlGS:0000000000000000

 3286 16:02:04.508767  <4>[   36.649983] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3287 16:02:04.518524  <4>[   36.656692] CR2: 0000000000000000 CR3: 0000000103cb6005 CR4: 00000000003706f0

 3288 16:02:04.521913  <4>[   36.664952] Call Trace:

 3289 16:02:04.525234  <4>[   36.667972]  ? __die_body.cold+0x1a/0x1f

 3290 16:02:04.528170  <4>[   36.672648]  ? no_context+0x177/0x380

 3291 16:02:04.534852  <4>[   36.677035]  ? exc_page_fault+0x53/0x170

 3292 16:02:04.538163  <4>[   36.681711]  ? asm_exc_page_fault+0x1e/0x30

 3293 16:02:04.545291  <4>[   36.686672]  ? lkdtm_WARNING_MESSAGE+0x30/0x30

 3294 16:02:04.548169  <4>[   36.691924]  ? lkdtm_EXCEPTION+0x5/0x20

 3295 16:02:04.554708  <4>[   36.696496]  direct_entry.cold+0x2c/0x38

 3296 16:02:04.558059  <4>[   36.701168]  full_proxy_write+0x53/0x80

 3297 16:02:04.561173  <4>[   36.705747]  vfs_write+0xe7/0x3b0

 3298 16:02:04.567704  <4>[   36.709735]  ksys_write+0x68/0xf0

 3299 16:02:04.571055  <4>[   36.713716]  do_syscall_64+0x30/0x40

 3300 16:02:04.577656  <4>[   36.717987]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 3301 16:02:04.580973  <4>[   36.723939] RIP: 0033:0x7f7cafef1473

 3302 16:02:04.600626  <4>[   36.728218] 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

 3303 16:02:04.610423  <4>[   36.749495] RSP: 002b:00007ffeb5ae7dd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3304 16:02:04.620821  <4>[   36.758232] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f7cafef1473

 3305 16:02:04.627013  <4>[   36.766493] RDX: 000000000000000a RSI: 00007f7cafde5000 RDI: 0000000000000001

 3306 16:02:04.637045  <4>[   36.774756] RBP: 00007f7cafde5000 R08: 00007f7cafde4010 R09: 0000000000000000

 3307 16:02:04.643435  <4>[   36.783016] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3308 16:02:04.653540  <4>[   36.791278] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3309 16:02:04.706263  <4>[   36.799543] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 3310 16:02:04.709382  <4>[   36.852313] CR2: 0000000000000000

 3311 16:02:04.712664  <4>[   36.856301] ---[ end trace ffd54ce207130e79 ]---

 3312 16:02:04.719230  <4>[   36.861739] RIP: 0010:lkdtm_BUG+0x5/0x10

 3313 16:02:04.739083  <4>[   36.866407] Code: 89 ff e8 4e e7 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 57 e9 02

 3314 16:02:04.745786  <4>[   36.887679] RSP: 0018:ffffac21c131fe60 EFLAGS: 00010286

 3315 16:02:04.755474  <4>[   36.893803] RAX: ffffffffa0379430 RBX: 0000000000000001 RCX: 0000000000000000

 3316 16:02:04.762281  <4>[   36.902062] RDX: 0000000000000000 RSI: ffff9efd3ad9bf70 RDI: ffffffffa137e830

 3317 16:02:04.771861  <4>[   36.910320] RBP: ffffffffa185db78 R08: 0000000000000001 R09: 0000000000000001

 3318 16:02:04.778663  <4>[   36.918580] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3319 16:02:04.788457  <4>[   36.926840] R13: ffffac21c131ff10 R14: ffffac21c131ff10 R15: ffff9efcc43c9000

 3320 16:02:04.798385  <4>[   36.935092] FS:  00007f7caffdb580(0000) GS:ffff9efd3ac00000(0000) knlGS:0000000000000000

 3321 16:02:04.805037  <4>[   36.944410] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3322 16:02:04.811573  <4>[   36.951115] CR2: 0000000000000000 CR3: 0000000103cb6005 CR4: 00000000003706f0

 3323 16:02:04.821492  <3>[   36.959375] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 3324 16:02:04.831387  <3>[   36.969577] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 742, name: cat

 3325 16:02:04.834624  <4>[   36.978225] INFO: lockdep is turned off.

 3326 16:02:04.837826  <4>[   36.982891] irq event stamp: 0

 3327 16:02:04.847500  <4>[   36.986588] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3328 16:02:04.857735  <4>[   36.993869] hardirqs last disabled at (0): [<ffffffff9f8fd844>] copy_process+0x664/0x1c60

 3329 16:02:04.864089  <4>[   37.003294] softirqs last  enabled at (0): [<ffffffff9f8fd844>] copy_process+0x664/0x1c60

 3330 16:02:04.873994  <4>[   37.012720] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3331 16:02:04.880434  <4>[   37.020010] CPU: 0 PID: 742 Comm: cat Tainted: G      D W         5.10.181-cip34 #1

 3332 16:02:04.886914  <4>[   37.028853] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3333 16:02:04.890170  <4>[   37.035948] Call Trace:

 3334 16:02:04.897000  <4>[   37.038958]  dump_stack+0x77/0x9b

 3335 16:02:04.900284  <4>[   37.042948]  ___might_sleep.cold+0xa6/0xb6

 3336 16:02:04.903381  <4>[   37.047812]  exit_signals+0x1c/0x300

 3337 16:02:04.909956  <4>[   37.052098]  do_exit+0xc2/0xab0

 3338 16:02:04.913311  <4>[   37.055893]  ? ksys_write+0x68/0xf0

 3339 16:02:04.916631  <4>[   37.060076]  make_task_dead+0x2f/0x30

 3340 16:02:04.923207  <4>[   37.064453]  rewind_stack_and_make_dead+0x17/0x20

 3341 16:02:04.926282  <4>[   37.069994] RIP: 0033:0x7f7cafef1473

 3342 16:02:04.949526  <4>[   37.074272] 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

 3343 16:02:04.956569  <4>[   37.095542] RSP: 002b:00007ffeb5ae7dd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3344 16:02:04.966455  <4>[   37.104288] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f7cafef1473

 3345 16:02:04.972630  <4>[   37.112548] RDX: 000000000000000a RSI: 00007f7cafde5000 RDI: 0000000000000001

 3346 16:02:04.982551  <4>[   37.120806] RBP: 00007f7cafde5000 R08: 00007f7cafde4010 R09: 0000000000000000

 3347 16:02:04.988871  <4>[   37.129065] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3348 16:02:04.999152  <4>[   37.137326] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3349 16:02:05.002003  gle Rammus/Rammus, BIOS  09/04/2020

 3350 16:02:05.005408  # [   35.392852] RIP: 0010:lkdtm_WARNING+0x13/0x20

 3351 16:02:05.028836  # [   35.404214] 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 60 57 e9 02 01 75 05 c3 cc cc cc cc <0f> 0b c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 41 57

 3352 16:02:05.035150  # [   35.425522] RSP: 0018:ffffac21c13d7e60 EFLAGS: 00010202

 3353 16:02:05.041623  # [   35.431665] RAX: ffffffffa0379440 RBX: 0000000000000002 RCX: 0000000000000000

 3354 16:02:05.051196  # [   35.446132] RDX: 0000000000000000 RSI: ffff9efd3ad9bf70 RDI: ffffffffa137e840

 3355 16:02:05.058137  # [   35.454395] RBP: ffffffffa17f9477 R08: 0000000000000000 R09: 0000000000000000

 3356 16:02:05.068202  # [   35.462658] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008

 3357 16:02:05.074867  # [   35.470922] R13: ffffac21c13d7f10 R14: ffffac21c13d7f10 R15: ffff9efcc595a000

 3358 16:02:05.084224  # [   35.479187] FS:  00007fab69c89580(0000) GS:ffff9efd3ad80000(0000) knlGS:0000000000000000

 3359 16:02:05.091054  # [   35.488519] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3360 16:02:05.097617  # [   35.495229] CR2: 00007fab69a93000 CR3: 0000000103cc4004 CR4: 00000000003706e0

 3361 16:02:05.100993  # [   35.503493] Call Trace:

 3362 16:02:05.104219  # [   35.506532]  ? __warn+0x80/0x110

 3363 16:02:05.110910  # [   35.510438]  ? lkdtm_WARNING+0x13/0x20

 3364 16:02:05.114080  # [   35.521123]  ? report_bug+0x9e/0xc0

 3365 16:02:05.117455  # [   35.525310]  ? handle_bug+0x41/0x90

 3366 16:02:05.123710  # [   35.529498]  ? exc_invalid_op+0x14/0x70

 3367 16:02:05.127540  # [   35.534074]  ? asm_exc_invalid_op+0x12/0x20

 3368 16:02:05.130340  # [   35.539040]  ? lkdtm_BUG+0x10/0x10

 3369 16:02:05.137107  # [   35.543153]  ? lkdtm_WARNING+0x13/0x20

 3370 16:02:05.140522  # [   35.547655]  direct_entry.cold+0x2c/0x38

 3371 16:02:05.143683  # [   35.552352]  full_proxy_write+0x53/0x80

 3372 16:02:05.147049  # [   35.556953]  vfs_write+0xe7/0x3b0

 3373 16:02:05.153708  # [   35.560975]  ksys_write+0x68/0xf0

 3374 16:02:05.156737  # [   35.564967]  do_syscall_64+0x30/0x40

 3375 16:02:05.163722  # [   35.569250]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 3376 16:02:05.166627  # [   35.575184] RIP: 0033:0x7fab69b9f473

 3377 16:02:05.186301  # [   35.579479] 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

 3378 16:02:05.196647  # [   35.600789] RSP: 002b:00007fffc0652598 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3379 16:02:05.206240  # [   35.609538] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007fab69b9f473

 3380 16:02:05.212793  # [   35.617801] RDX: 0000000000000008 RSI: 00007fab69a93000 RDI: 0000000000000001

 3381 16:02:05.219380  # [   35.626065] RBP: 00007fab69a93000 R08: 00007fab69a92010 R09: 0000000000000000

 3382 16:02:05.229298  # [   35.634330] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3383 16:02:05.236282  # [   35.642594] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3384 16:02:05.246163  # [   35.650863] irq event stamp: <6>[   37.382396] lkdtm: Performing direct entry CORRUPT_LIST_ADD

 3385 16:02:05.252346  <6>[   37.394520] lkdtm: attempting good list addition

 3386 16:02:05.252432  0

 3387 16:02:05.265718  # [   35.660774] hardirqs last  enabled at (0): [<00000000000<6>[   37.399998] lkdtm: attempting corrupted list addition

 3388 16:02:05.272101  <3>[   37.412138] lkdtm: list_add() corruption not detected!

 3389 16:02:05.272186  00000>] 0x0

 3390 16:02:05.281862  # [   35.674282] hardirqs last disabled at (0): [<ffffffff9f8fd844>] copy_process+0x664/0x1c60

 3391 16:02:05.292167  # [   35.683708] softirqs last  enabled at (0): [<ffffffff9f8fd844>] copy_process+0x664/0x1c60

 3392 16:02:05.298691  # [   35.693134] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3393 16:02:05.301849  # [   35.700443] ---[ end trace ffd54ce207130e77 ]---

 3394 16:02:05.305047  # WARNING: saw 'WARNING:': ok

 3395 16:02:05.308215  ok 3 selftests: lkdtm: WARNING.sh

 3396 16:02:05.315115  # selftests: lkdtm: WARNING_MESSAGE.sh

 3397 16:02:05.318361  # [   35.780300] lkdtm: Performing direct entry WARNING_MESSAGE

 3398 16:02:05.325117  # [   35.786947] ------------[ cut here ]------------

 3399 16:02:05.331634  # [   35.798641] Warning message trigger count: 2

 3400 16:02:05.341554  # [   35.809945] WARNING: CPU: 0 PID: 710 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30

 3401 16:02:05.357659  # [   35.826661] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industri<6>[   37.494977] lkdtm: Performing direct entry CORRUPT_LIST_DEL

 3402 16:02:05.364746  <6>[   37.505546] lkdtm: attempting good list removal

 3403 16:02:05.370775  <6>[   37.510924] lkdtm: attempting corrupted list removal

 3404 16:02:05.380775  alio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcv<3>[   37.516787] lkdtm: list_del() corruption not detected!

 3405 16:02:05.417563  ideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 3406 16:02:05.426827  # [   35.885612] CPU: 0 PID: 710 Comm: cat Tainted: G      D W         5.10.181-cip34 #1

 3407 16:02:05.433373  # [   35.900665] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3408 16:02:05.440426  # [   35.913989] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30

 3409 16:02:05.459867  # [   35.926132] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 41 57 e9 02 48 c7 c7 d8 99 7f a1 8d 70 01 89 35 31 57 e9 02 e8 57 d2 64 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7

 3410 16:02:05.466376  # [   35.953633] RSP: 0018:ffffac21c142fe60 EFLAGS: 00010286

 3411 16:02:05.472796  # [   35.965982] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000

 3412 16:02:05.482845  # [   35.980538] RDX: ffff9efd3ac2c660 RSI: ffff9efd3ac1bf70 RDI: ffff9efd3ac1bf70

 3413 16:02:05.489317  # [   35.994954] RBP: ffffffffa17f947f R08: 0000000000000000 R09: 0000000000000000

 3414 16:02:05.499418  # [   36.009528] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010

 3415 16:02:05.506205  # [   36.023961] R13: ffffac21c142ff10 R14: ffffac21c142ff10 R15: ffff9efcc47e7000

 3416 16:02:05.515567  # [   36.038467] FS:  00007f2dca55a580(0000) GS:ffff9efd3ac00000(0000) knlGS:0000000000000000

 3417 16:02:05.522185  # [   36.053973] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3418 16:02:05.532130  # [   36.066906] CR2: 0<6>[   37.667327] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING

 3419 16:02:05.538936  0007f2dca364000 CR3: 0000000103cb6006 CR4: 00000000003706f0

 3420 16:02:05.545403  # [<6>[   37.679399] lkdtm: attempting bad read from page below current stack

 3421 16:02:05.548681     36.081382] Call Trace:

 3422 16:02:05.561964  # [   36.090651]  ? __warn+0x80/0x110<0>[   37.693040] BUG: stack guard page was hit at 0000000010566e0c (stack is 00000000bb86a6fe..000000002c94bfc9)

 3423 16:02:05.568589  <4>[   37.710378] kernel stack overflow (page fault): 0000 [#3] SMP PTI

 3424 16:02:05.578500  <4>[   37.717474] CPU: 0 PID: 967 Comm: cat Tainted: G      D W         5.10.181-cip34 #1

 3425 16:02:05.585461  <4>[   37.726316] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3426 16:02:05.591357  <4>[   37.733414] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a

 3427 16:02:05.614569  <4>[   37.740224] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 78 9d 7f a1 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 b5 de fb ff 48 c7 c7 b8 9d 7f a1 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 9b de fb ff 0f 1f 44

 3428 16:02:05.621246  <4>[   37.761495] RSP: 0018:ffffac21c180fe50 EFLAGS: 00010246

 3429 16:02:05.628055  <4>[   37.767611] RAX: 0000000000000038 RBX: ffffac21c180c000 RCX: 0000000000000000

 3430 16:02:05.637743  <4>[   37.775862] RDX: 0000000000000000 RSI: ffff9efd3ac1bf70 RDI: ffffffffa17f9db8

 3431 16:02:05.644600  <4>[   37.784121] RBP: ffffffffa17f94e2 R08: 0000000000000000 R09: 0000000000000000

 3432 16:02:05.653787  <4>[   37.792379] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019

 3433 16:02:05.660528  <4>[   37.800639] R13: ffffac21c180ff10 R14: ffffac21c180ff10 R15: ffff9efcc309c000

 3434 16:02:05.670534  <4>[   37.808900] FS:  00007f917fbb2580(0000) GS:ffff9efd3ac00000(0000) knlGS:0000000000000000

 3435 16:02:05.676973  <4>[   37.818219] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3436 16:02:05.686866  <4>[   37.824923] CR2: ffffac21c180bfff CR3: 0000000105cd0006 CR4: 00000000003706f0

 3437 16:02:05.690390  <4>[   37.833183] Call Trace:

 3438 16:02:05.690474  <4>[   37.836200]  <#DF>

 3439 16:02:05.696929  <4>[   37.838733]  ? __die_body.cold+0x1a/0x1f

 3440 16:02:05.700233  <4>[   37.843408]  ? die+0x2b/0x50

 3441 16:02:05.703514  <4>[   37.846917]  ? handle_stack_overflow+0x3e/0x4d

 3442 16:02:05.709827  <4>[   37.852167]  ? no_context+0x24d/0x380

 3443 16:02:05.713162  <4>[   37.856534]  </#DF>

 3444 16:02:05.765843  <4>[   37.859162] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 3445 16:02:05.769287  <4>[   37.911933] ---[ end trace ffd54ce207130e7a ]---

 3446 16:02:05.775724  <4>[   37.917386] RIP: 0010:lkdtm_BUG+0x5/0x10

 3447 16:02:05.795694  <4>[   37.922060] Code: 89 ff e8 4e e7 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 57 e9 02

 3448 16:02:05.802198  <4>[   37.943336] RSP: 0018:ffffac21c131fe60 EFLAGS: 00010286

 3449 16:02:05.808824  <4>[   37.949460] RAX: ffffffffa0379430 RBX: 0000000000000001 RCX: 0000000000000000

 3450 16:02:05.818868  <4>[   37.957720] RDX: 0000000000000000 RSI: ffff9efd3ad9bf70 RDI: ffffffffa137e830

 3451 16:02:05.825135  <4>[   37.965979] RBP: ffffffffa185db78 R08: 0000000000000001 R09: 0000000000000001

 3452 16:02:05.835514  <4>[   37.974239] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3453 16:02:05.844977  <4>[   37.982499] R13: ffffac21c131ff10 R14: ffffac21c131ff10 R15: ffff9efcc43c9000

 3454 16:02:05.851735  <4>[   37.990759] FS:  00007f917fbb2580(0000) GS:ffff9efd3ac00000(0000) knlGS:0000000000000000

 3455 16:02:05.857803  <4>[   38.000089] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3456 16:02:05.867549  <4>[   38.006796] CR2: ffffac21c180bfff CR3: 0000000105cd0006 CR4: 00000000003706f0

 3457 16:02:05.877656  <3>[   38.015059] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 3458 16:02:05.887608  <3>[   38.025262] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 967, name: cat

 3459 16:02:05.890585  <4>[   38.033912] INFO: lockdep is turned off.

 3460 16:02:05.894130  <4>[   38.038580] irq event stamp: 0

 3461 16:02:05.900594  <4>[   38.042278] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3462 16:02:05.910694  <4>[   38.049568] hardirqs last disabled at (0): [<ffffffff9f8fd844>] copy_process+0x664/0x1c60

 3463 16:02:05.920279  <4>[   38.058995] softirqs last  enabled at (0): [<ffffffff9f8fd844>] copy_process+0x664/0x1c60

 3464 16:02:05.927055  <4>[   38.068414] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3465 16:02:05.937450  <4>[   38.075696] CPU: 0 PID: 967 Comm: cat Tainted: G      D W         5.10.181-cip34 #1

 3466 16:02:05.943489  <4>[   38.084531] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3467 16:02:05.946639  <4>[   38.091626] Call Trace:

 3468 16:02:05.950127  <4>[   38.094646]  dump_stack+0x77/0x9b

 3469 16:02:05.956482  <4>[   38.098642]  ___might_sleep.cold+0xa6/0xb6

 3470 16:02:05.959796  <4>[   38.103507]  exit_signals+0x1c/0x300

 3471 16:02:05.962850  <4>[   38.107794]  do_exit+0xc2/0xab0

 3472 16:02:05.969429  <4>[   38.111590]  ? ksys_write+0x68/0xf0

 3473 16:02:05.973157  <4>[   38.115780]  make_task_dead+0x2f/0x30

 3474 16:02:05.979659  <4>[   38.120149]  rewind_stack_and_make_dead+0x17/0x20

 3475 16:02:05.982673  <4>[   38.125692] RIP: 0033:0x7f917fac8473

 3476 16:02:06.002620  <4>[   38.129973] 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

 3477 16:02:06.012483  <4>[   38.151249] RSP: 002b:00007fffbc01ae48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3478 16:02:06.022399  <4>[   38.159996] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f917fac8473

 3479 16:02:06.028654  <4>[   38.168256] RDX: 0000000000000019 RSI: 00007f917f9bc000 RDI: 0000000000000001

 3480 16:02:06.038701  <4>[   38.176516] RBP: 00007f917f9bc000 R08: 00007f917f9bb010 R09: 0000000000000000

 3481 16:02:06.045893  <4>[   38.184777] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3482 16:02:06.055140  <4>[   38.193037] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3483 16:02:06.055251  

 3484 16:02:06.058249  # [   36.100735]  ? lkdtm_WARNING_MESSAGE+0x20/0x30

 3485 16:02:06.061620  # [   36.112216]  ? report_bug+0x9e/0xc0

 3486 16:02:06.068542  # [   36.122608]  ? handle_bug+0x41/0x90

 3487 16:02:06.071808  # [   36.133057]  ? exc_invalid_op+0x14/0x70

 3488 16:02:06.078318  # [   36.143805]  ? asm_exc_invalid_op+0x12/0x20

 3489 16:02:06.081270  # [   36.155012]  ? lkdtm_WARNING_MESSAGE+0x20/0x30

 3490 16:02:06.087807  # [   36.166486]  direct_entry.cold+0x2c/0x38

 3491 16:02:06.091028  # [   36.177396]  full_proxy_write+0x53/0x80

 3492 16:02:06.094344  # [   36.188148]  vfs_write+0xe7/0x3b0

 3493 16:02:06.097685  # [   36.198381]  ksys_write+0x68/0xf0

 3494 16:02:06.104504  # [   36.208568]  do_syscall_64+0x30/0x40

 3495 16:02:06.107717  # [   36.219086]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 3496 16:02:06.114105  # [   36.231218] RIP: 0033:0x7f2dca470473

 3497 16:02:06.134093  # [   36.241738] 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

 3498 16:02:06.143688  # [   36.269213] RSP: 002b:00007ffc5a6e0968 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3499 16:02:06.153950  # [   36.284168] RAX: ffffffffffffffda RBX: 00<6>[   38.292523] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING

 3500 16:02:06.157277  00000000000010 RCX: 00007f2dca470473

 3501 16:02:06.166904  # [   36.298664] RDX: 0000<6>[   38.301951] lkdtm: attempting bad read from page above current stack

 3502 16:02:06.173664  000000000010 RSI: 00007f2dca364000 RDI: 0000000000000001

 3503 16:02:06.186457  # [   <0>[   38.315571] BUG: stack guard page was hit at 000000008c42977c (stack is 000000006e6f1680..000000003b8b786c)

 3504 16:02:06.192939  <4>[   38.332944] kernel stack overflow (page fault): 0000 [#4] SMP PTI

 3505 16:02:06.202863  <4>[   38.340041] CPU: 0 PID: 1000 Comm: cat Tainted: G      D W         5.10.181-cip34 #1

 3506 16:02:06.209569  <4>[   38.348974] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3507 16:02:06.216167  <4>[   38.356075] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d

 3508 16:02:06.235604  <4>[   38.362981] Code: de fb ff 0f 1f 44 00 00 53 48 c7 c7 f0 9d 7f a1 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 7b de fb ff 48 c7 c7 30 9e 7f a1 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 5e de fb ff

 3509 16:02:06.242249  <4>[   38.384253] RSP: 0018:ffffac21c1877e50 EFLAGS: 00010246

 3510 16:02:06.252670  <4>[   38.390377] RAX: 0000000000000038 RBX: ffffac21c1874000 RCX: 0000000000000000

 3511 16:02:06.258984  <4>[   38.398636] RDX: 0000000000000000 RSI: ffff9efd3ac1bf70 RDI: ffffffffa17f9e30

 3512 16:02:06.268727  <4>[   38.406897] RBP: ffffffffa17f94fb R08: 0000000000000000 R09: 0000000000000000

 3513 16:02:06.275448  <4>[   38.415159] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a

 3514 16:02:06.284807  <4>[   38.423421] R13: ffffac21c1877f10 R14: ffffac21c1877f10 R15: ffff9efcc3c43000

 3515 16:02:06.295145  <4>[   38.431682] FS:  00007f63f9e7b580(0000) GS:ffff9efd3ac00000(0000) knlGS:0000000000000000

 3516 16:02:06.301803  <4>[   38.441010] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3517 16:02:06.308042  <4>[   38.447717] CR2: ffffac21c1878000 CR3: 0000000103cc4004 CR4: 00000000003706f0

 3518 16:02:06.311472  <4>[   38.455977] Call Trace:

 3519 16:02:06.314503  <4>[   38.458994]  <#DF>

 3520 16:02:06.317933  <4>[   38.461528]  ? __die_body.cold+0x1a/0x1f

 3521 16:02:06.321287  <4>[   38.466203]  ? die+0x2b/0x50

 3522 16:02:06.328163  <4>[   38.469713]  ? handle_stack_overflow+0x3e/0x4d

 3523 16:02:06.330892  <4>[   38.474966]  ? no_context+0x24d/0x380

 3524 16:02:06.334474  <4>[   38.479341]  </#DF>

 3525 16:02:06.387009  <4>[   38.481968] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 3526 16:02:06.394368  <4>[   38.534740] ---[ end trace ffd54ce207130e7b ]---

 3527 16:02:06.397079  <4>[   38.540191] RIP: 0010:lkdtm_BUG+0x5/0x10

 3528 16:02:06.420147  <4>[   38.544864] Code: 89 ff e8 4e e7 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 57 e9 02

 3529 16:02:06.423070  <4>[   38.566138] RSP: 0018:ffffac21c131fe60 EFLAGS: 00010286

 3530 16:02:06.433194  <4>[   38.572264] RAX: ffffffffa0379430 RBX: 0000000000000001 RCX: 0000000000000000

 3531 16:02:06.439760  <4>[   38.580524] RDX: 0000000000000000 RSI: ffff9efd3ad9bf70 RDI: ffffffffa137e830

 3532 16:02:06.449669  <4>[   38.588786] RBP: ffffffffa185db78 R08: 0000000000000001 R09: 0000000000000001

 3533 16:02:06.459827  <4>[   38.597046] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3534 16:02:06.465998  <4>[   38.605305] R13: ffffac21c131ff10 R14: ffffac21c131ff10 R15: ffff9efcc43c9000

 3535 16:02:06.476333  <4>[   38.613568] FS:  00007f63f9e7b580(0000) GS:ffff9efd3ac00000(0000) knlGS:0000000000000000

 3536 16:02:06.482673  <4>[   38.622896] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3537 16:02:06.489923  <4>[   38.629604] CR2: ffffac21c1878000 CR3: 0000000103cc4004 CR4: 00000000003706f0

 3538 16:02:06.499162  36.313155] RBP: 00007f2dca364000 R08: 00007f2dca363010 R09: 0000000000000000

 3539 16:02:06.505512  # [   36.327641] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3540 16:02:06.515473  # [   36.342144] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3541 16:02:06.518884  # [   36.356639] irq event stamp: 0

 3542 16:02:06.525237  # [   36.366572] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3543 16:02:06.535233  # [   36.380085] hardirqs last disabled at (0): [<ffffffff9f8fd844>] copy_process+0x664/0x1c60

 3544 16:02:06.545293  # [   36.395756] softirqs last  enabled at (0): [<ffffffff9f8fd844>] copy_process+0x664/0x1c60

 3545 16:02:06.551443  # [   36.411392] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3546 16:02:06.554844  # [   36.424916] ---[ end trace ffd54ce207130e78 ]---

 3547 16:02:06.561495  # WARNING_MESSAGE: saw 'message trigger': ok

 3548 16:02:06.564692  ok 4 selftests: lkdtm: WARNING_MESSAGE.sh

 3549 16:02:06.567998  # selftests: lkdtm: EXCEPTION.sh

 3550 16:02:06.568081  # Killed

 3551 16:02:06.574588  # [   36.510373] lkdtm: Performing direct entry EXCEPTION

 3552 16:02:06.584563  # [   36.517010] BUG: kernel NULL pointer dereference, address: 0000000000000000

 3553 16:02:06.587667  # [   36.531271] #PF: supervisor write access in kernel mode

 3554 16:02:06.594319  # [   36.537396] #PF: error_code(0x0002) - not-present page

 3555 16:02:06.597566  # [   36.543438] PGD 0 P4D 0 

 3556 16:02:06.601073  # [   36.546555] Oops: 0002 [#2] SMP PTI

 3557 16:02:06.611115  # [   36.550738] CPU: 0 PID: 742 Comm: cat Tainted: G      D W         5.10.181-cip34 #1

 3558 16:02:06.617582  # [   36.559582] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3559 16:02:06.624066  # [   36.566683] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20

 3560 16:02:06.644108  # [   36.571940] Code: 48 c7 c7 d8 99 7f a1 8d 70 01 89 35 31 57 e9 02 e8 57 d2 64 00 0f 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 <c7> 04 25 00 00 00 00 00 00 00 00 c3 cc cc cc cc 66 66 2e 0f 1f 84

 3561 16:02:06.650447  # [   36.593215] RS<6>[   38.792606] lkdtm: Performing direct entry UNSET_SMEP

 3562 16:02:06.657405  <6>[   38.799186] lkdtm: trying to clear SMEP normally

 3563 16:02:06.663680  <4>[   38.804637] ------------[ cut here ]------------

 3564 16:02:06.667184  <4>[   38.810086] pinned CR4 bits changed: 0x100000!?

 3565 16:02:06.673636  P: 0018:ffffac21c14efe60 EFLAGS: 00010286

 3566 16:02:06.683669  # [   36.599340] RAX:<4>[   38.815453] WARNING: CPU: 2 PID: 1036 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60

 3567 16:02:06.689836   ffffffffa0379490 RBX: 0000000000000004 RCX: 0000000000000000

 3568 16:02:06.742679  #<4>[   38.832162] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 3569 16:02:06.752599  <4>[   38.891167] CPU: 2 PID: 1036 Comm: cat Tainted: G      D W         5.10.181-cip34 #1

 3570 16:02:06.759066  <4>[   38.900136] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3571 16:02:06.765846  <4>[   38.907236] RIP: 0010:native_write_cr4+0x45/0x60

 3572 16:02:06.785569  <4>[   38.912686] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d f3 34 46 02 00 75 f2 48 c7 c7 a0 7a 6f a1 c6 05 e3 34 46 02 01 e8 d2 40 10 01 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09

 3573 16:02:06.792230  <4>[   38.933993] RSP: 0018:ffffac21c18d7e48 EFLAGS: 00010286

 3574 16:02:06.808658   [   36.607602] RDX: 0000000000000000 RSI: ffff9efd3ac1bf70 RDI:<4>[   38.940124] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 0000000000000000

 3575 16:02:06.808746   ffffffffa137e860

 3576 16:02:06.822056  # [   36.615869] RBP: ffffffffa16ed9df R08: 0<4>[   38.954604] RDX: ffff9efd3ad2c660 RSI: ffff9efd3ad1bf70 RDI: ffff9efd3ad1bf70

 3577 16:02:06.831621  <4>[   38.969083] RBP: ffffffffa17f9515 R08: 0000000000000000 R09: 0000000000000000

 3578 16:02:06.838147  <4>[   38.977349] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b

 3579 16:02:06.848118  <4>[   38.985615] R13: ffffac21c18d7f10 R14: ffffac21c18d7f10 R15: ffff9efcc5916000

 3580 16:02:06.854566  <4>[   38.993880] FS:  00007f8d315b6580(0000) GS:ffff9efd3ad00000(0000) knlGS:0000000000000000

 3581 16:02:06.861153  <4>[   39.003212] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3582 16:02:06.870941  <4>[   39.009918] CR2: 00007f8d313c0000 CR3: 00000001041a0002 CR4: 00000000003706e0

 3583 16:02:06.874522  000000000000000 R09: 0000000000000000

 3584 16:02:06.880954  # [   36.624129] R10: 000<4>[   39.018211] Call Trace:

 3585 16:02:06.884098  00000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a

 3586 16:02:06.890865  # [  <4>[   39.027447]  ? __warn+0x80/0x110

 3587 16:02:06.894427  <4>[   39.037554]  ? native_write_cr4+0x45/0x60

 3588 16:02:06.900778  <4>[   39.042326]  ? report_bug+0x9e/0xc0

 3589 16:02:06.904061  <4>[   39.046544]  ? handle_bug+0x41/0x90

 3590 16:02:06.907378  <4>[   39.050733]  ? exc_invalid_op+0x14/0x70

 3591 16:02:06.914106  <4>[   39.055309]  ? asm_exc_invalid_op+0x12/0x20

 3592 16:02:06.917375  <4>[   39.060278]  ? native_write_cr4+0x45/0x60

 3593 16:02:06.923741  <4>[   39.065076]  ? native_write_cr4+0x45/0x60

 3594 16:02:06.926903  <4>[   39.069849]  lkdtm_UNSET_SMEP.cold+0x1d/0x103

 3595 16:02:06.933444  <4>[   39.075038]  direct_entry.cold+0x2c/0x38

 3596 16:02:06.936643  <4>[   39.079712]  full_proxy_write+0x53/0x80

 3597 16:02:06.940502  <4>[   39.084317]  vfs_write+0xe7/0x3b0

 3598 16:02:06.943527  <4>[   39.088312]  ksys_write+0x68/0xf0

 3599 16:02:06.949760  <4>[   39.092326]  do_syscall_64+0x30/0x40

 3600 16:02:06.956552  <4>[   39.096612]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 3601 16:02:06.959574  <4>[   39.102548] RIP: 0033:0x7f8d314cc473

 3602 16:02:06.979889  <4>[   39.106832] 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

 3603 16:02:06.989205  <4>[   39.128115] RSP: 002b:00007ffdf0d2cdb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3604 16:02:06.999102  <4>[   39.136866] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f8d314cc473

 3605 16:02:07.005502  <4>[   39.145132] RDX: 000000000000000b RSI: 00007f8d313c0000 RDI: 0000000000000001

 3606 16:02:07.015836  <4>[   39.153398] RBP: 00007f8d313c0000 R08: 00007f8d313bf010 R09: 0000000000000000

 3607 16:02:07.022292  <4>[   39.161665] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3608 16:02:07.031849  <4>[   39.169930] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3609 16:02:07.035489  <4>[   39.178201] irq event stamp: 0

 3610 16:02:07.041863  <4>[   39.181930] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3611 16:02:07.051437  <4>[   39.189226] hardirqs last disabled at (0): [<ffffffff9f8fd844>] copy_process+0x664/0x1c60

 3612 16:02:07.061801  <4>[   39.198657] softirqs last  enabled at (0): [<ffffffff9f8fd844>] copy_process+0x664/0x1c60

 3613 16:02:07.068257  <4>[   39.208086] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3614 16:02:07.074579  <4>[   39.215381] ---[ end trace ffd54ce207130e7c ]---

 3615 16:02:07.078068  <6>[   39.220830] lkdtm: ok: SMEP did not get cleared

 3616 16:02:07.091161   36.632391] R13: ffffac21c14eff10 R14: ffffac21c14eff10 R15: fff<6>[   39.226181] lkdtm: trying to clear SMEP with call gadget

 3617 16:02:07.097664  <6>[   39.238622] lkdtm: ok: SMEP removal was reverted

 3618 16:02:07.097748  f9efcc5f13000

 3619 16:02:07.107654  # [   36.640653] FS:  00007f7caffdb580(0000) GS:ffff9efd3ac00000(0000) knlGS:0000000000000000

 3620 16:02:07.113963  # [   36.649983] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3621 16:02:07.120892  # [   36.656692] CR2: 0000000000000000 CR3: 0000000103cb6005 CR4: 00000000003706f0

 3622 16:02:07.123701  # [   36.664952] Call Trace:

 3623 16:02:07.130648  # [   36.667972]  ? __die_body.cold+0x1a/0x1f

 3624 16:02:07.133704  # [   36.672648]  ? no_context+0x177/0x380

 3625 16:02:07.137041  # [   36.677035]  ? exc_page_fault+0x53/0x170

 3626 16:02:07.143465  # [   36.681711]  ? asm_exc_page_fault+0x1e/0x30

 3627 16:02:07.147040  # [   36.686672]  ? lkdtm_WARNING_MESSAGE+0x30/0x30

 3628 16:02:07.153363  # [   36.691924]  ? lkdtm_EXCEPTION+0x5/0x20

 3629 16:02:07.156850  # [   36.696496]  direct_entry.cold+0x2c/0x38

 3630 16:02:07.163567  # [   36.701168]  full_proxy_write+0x53/0x80

 3631 16:02:07.166579  # [   36.705747]  vfs_write+0xe7/0x3b0

 3632 16:02:07.169986  # [   36.709735]  ksys_write+0x68/0xf0

 3633 16:02:07.173616  # [   36.713716]  do_syscall_64+0x30/0x40

 3634 16:02:07.179964  # [   36.717987]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 3635 16:02:07.183165  # [   36.723939] RIP: 0033:0x7f7cafef1473

 3636 16:02:07.203084  # [   36.728218] 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 1<6>[   39.339797] lkdtm: Performing direct entry DOUBLE_FAULT

 3637 16:02:07.206156  <3>[   39.349635] lkdtm: XFAIL: this test is ia32-only

 3638 16:02:07.215871  4 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 3639 16:02:07.226489  # [   36.749495] RSP: 002b:00007ffeb5ae7dd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3640 16:02:07.232545  # [   36.758232] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f7cafef1473

 3641 16:02:07.242388  # [   36.766493] RDX: 000000000000000a RSI: 00007f7cafde5000 RDI: 0000000000000001

 3642 16:02:07.249095  # [   36.774756] RBP: 00007f7cafde5000 R08: 00007f7cafde4010 R09: 0000000000000000

 3643 16:02:07.259180  # [   36.783016] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3644 16:02:07.265464  # [   36.791278] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3645 16:02:07.294972  # [   36.799543] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs <6>[   39.432565] lkdtm: Performing direct entry CORRUPT_PAC

 3646 16:02:07.305094  cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_ch<3>[   39.441954] lkdtm: XFAIL: this test is arm64-only

 3647 16:02:07.331582  ardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 3648 16:02:07.334608  # [   36.852313] CR2: 0000000000000000

 3649 16:02:07.338279  # [   36.856301] ---[ end trace ffd54ce207130e79 ]---

 3650 16:02:07.344563  # [   36.861739] RIP: 0010:lkdtm_BUG+0x5/0x10

 3651 16:02:07.364406  # [   36.866407] Code: 89 ff e8 4e e7 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 57 e9 02

 3652 16:02:07.371227  # [   36.887679] RSP: 0018:ffffac21c131fe60 EFLAGS: 00010286

 3653 16:02:07.380668  # [   36.893803] RAX: ffffffffa0379430 RBX: 0000000000000001 RCX: 0000000000000000

 3654 16:02:07.387779  # [   36.902062<6>[   39.527837] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE

 3655 16:02:07.404098  ] RDX: 0000000000000000 RSI: ffff9efd3ad9bf70 RDI: ffffffffa137e<3>[   39.535793] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS

 3656 16:02:07.404183  830

 3657 16:02:07.410365  # [   36.910320] RBP: ffffffffa185db78 R08: 0000000000000001 R09: 0000000000000001

 3658 16:02:07.420320  # [   36.918580] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3659 16:02:07.426824  # [   36.926840] R13: ffffac21c131ff10 R14: ffffac21c131ff10 R15: ffff9efcc43c9000

 3660 16:02:07.436902  # [   36.935092] FS:  00007f7caffdb580(0000) GS:ffff9efd3ac00000(0000) knlGS:0000000000000000

 3661 16:02:07.443410  # [   36.944410] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3662 16:02:07.449847  # [   36.951115] CR2: 0000000000000000 CR3: 0000000103cb6005 CR4: 00000000003706f0

 3663 16:02:07.459798  # [   36.959375] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 3664 16:02:07.469674  # [   36.969577] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 742, name: cat

 3665 16:02:07.473160  # [   36.978225] INFO: lockdep is turned off.

 3666 16:02:07.479646  # [   36.982891] irq event stamp: 0

 3667 16:02:07.486475  # [   36.986588] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3668 16:02:07.496270  # [   36.993869] hardirqs last disabled at (0): [<ffffffff9f8fd844>] copy_process+0x664/0x1c60

 3669 16:02:07.502838  # [   37.003294] softirqs last  enabled at (0): [<ffffffff9f8fd844>] copy_process+0x664/0x1c60

 3670 16:02:07.512853  # [   37.012720] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3671 16:02:07.519528  # [   37.020010] CPU: 0 PID: 742 Comm: cat Tainted: G      D W         5.10.181-cip34 #1

 3672 16:02:07.525839  # [   37.028853] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3673 16:02:07.529345  # [   37.035948] Call Trace:

 3674 16:02:07.532409  # [   37.038958]  dump_stack+0x77/0x9b

 3675 16:02:07.539138  # [   37.042948]  ___might_sleep.cold+0xa6/0xb6

 3676 16:02:07.545550  # [   3<6>[   39.686023] lkdtm: Performing direct entry READ_AFTER_FREE

 3677 16:02:07.548821  7.047812]  exit_signals+0x1c/0x300

 3678 16:02:07.559114  # [   37.052098]  do_exit+0x<6>[   39.693061] lkdtm: Value in memory before free: 12345678

 3679 16:02:07.559198  c2/0xab0

 3680 16:02:07.562297  # [   37.055893]  ? ksys_write+0x68/0xf0

 3681 16:02:07.571947  # [   37.060<6>[   39.705517] lkdtm: Attempting bad read from freed memory

 3682 16:02:07.574966  076]  make_task_dead+0x2f/0x30

 3683 16:02:07.581630  # [   37.064453]  rewind_stack_a<6>[   39.717942] lkdtm: Memory was not poisoned

 3684 16:02:07.585179  nd_make_dead+0x17/0x20

 3685 16:02:07.588107  # [   37.069994] RIP: 0033:0x7f7cafef1473

 3686 16:02:07.608016  # [   37.074272] 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

 3687 16:02:07.617898  # [   37.095542] RSP: 002b:00007ffeb5ae7dd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3688 16:02:07.624768  # [   37.104288] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f7cafef1473

 3689 16:02:07.634195  # [   37.112548] RDX: 000000000000000a RSI: 00007f7cafde5000 RDI: 0000000000000001

 3690 16:02:07.640929  # [   37.120806] RBP: 00007f7cafde5000 R08: 00007f7cafde4010 R09: 0000000000000000

 3691 16:02:07.650883  # [   37.129065] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3692 16:02:07.657665  # [   37.137326] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3693 16:02:07.660820  # EXCEPTION: saw 'call trace:': ok

 3694 16:02:07.667452  ok 5 selftests: lkdtm: EXCEPTION.sh

 3695 16:02:07.667537  # selftests: lkdtm: LOOP.sh

 3696 16:02:07.670905  # Skipping LOOP: Hangs the system

 3697 16:02:07.677232  ok 6 selftests: lkdtm: LOOP.sh # SKIP

 3698 16:02:07.681145  # selftests: lkdtm: EXHAUST_STACK.sh

 3699 16:02:07.683673  # Skipping EXHAUST_STACK: Corrupts memory on failure

 3700 16:02:07.693721  ok 7 selftests: lkdtm: EXH<6>[   39.829731] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE

 3701 16:02:07.696681  AUST_STACK.sh # SKIP

 3702 16:02:07.700201  # selftests: lkdtm: CORRUPT_STACK.sh

 3703 16:02:07.706882  # Sk<6>[   39.841727] lkdtm: Value in memory before free: 12345678

 3704 16:02:07.713371  ipping CORRUPT_STACK: Crashes entire system on success

 3705 16:02:07.719669  ok 8 sel<6>[   39.854171] lkdtm: Attempting to read from freed memory

 3706 16:02:07.723526  ftests: lkdtm: CORRUPT_STACK.sh # SKIP

 3707 16:02:07.730038  # selftests: lkdtm: CORR<6>[   39.866540] lkdtm: Buddy page was not poisoned

 3708 16:02:07.733303  UPT_STACK_STRONG.sh

 3709 16:02:07.739877  # Skipping CORRUPT_STACK_STRONG: Crashes entire system on success

 3710 16:02:07.742903  ok 9 selftests: lkdtm: CORRUPT_STACK_STRONG.sh # SKIP

 3711 16:02:07.749269  # selftests: lkdtm: CORRUPT_LIST_ADD.sh

 3712 16:02:07.756013  # [   37.382396] lkdtm: Performing direct entry CORRUPT_LIST_ADD

 3713 16:02:07.759057  # [   37.394520] lkdtm: attempting good list addition

 3714 16:02:07.765629  # [   37.399998] lkdtm: attempting corrupted list addition

 3715 16:02:07.772467  # [   37.412138] lkdtm: list_add() corruption not detected!

 3716 16:02:07.779199  # CORRUPT_LIST_ADD: missing 'list_add corruption': [FAIL]

 3717 16:02:07.782409  not ok 10 selftests: lkdtm: CORRUPT_LIST_ADD.sh # exit=1

 3718 16:02:07.785806  # selftests: lkdtm: CORRUPT_LIST_DEL.sh

 3719 16:02:07.792484  # [   37.494977] lkdtm: Performing direct entry CORRUPT_LIST_DEL

 3720 16:02:07.798732  # [   37.505546] lkdtm: attempting good list removal

 3721 16:02:07.805555  # [   37.510924] lkdtm: attempting corrupted list removal

 3722 16:02:07.812216  # [   37.516787] lkdtm: list_del() corruption not detected!

 3723 16:02:07.818332  # CORRUP<6>[   39.953015] lkdtm: Performing direct entry SLAB_FREE_DOUBLE

 3724 16:02:07.825095  <6>[   39.965274] lkdtm: Attempting double slab free ...

 3725 16:02:07.828252  T_LIST_DEL: missing 'list_del corruption': [FAIL]

 3726 16:02:07.834589  not ok 11 selftests: lkdtm: CORRUPT_LIST_DEL.sh # exit=1

 3727 16:02:07.838256  # selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh

 3728 16:02:07.841543  # Segmentation fault

 3729 16:02:07.847792  # [   37.667327] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING

 3730 16:02:07.854563  # [   37.679399] lkdtm: attempting bad read from page below current stack

 3731 16:02:07.867495  # [   37.693040] BUG: stack guard page was hit at 0000000010566e0c (stack is 00000000bb86a6fe..000000002c94bfc9)

 3732 16:02:07.874390  # [   37.710378] kernel stack overflow (page fault): 0000 [#3] SMP PTI

 3733 16:02:07.881003  # [   37.717474] CPU: 0 PID: 967 Comm: cat Tainted: G      D W         5.10.181-cip34 #1

 3734 16:02:07.890614  # [   37.726316] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3735 16:02:07.897247  # [   37.733414] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a

 3736 16:02:07.903954  # [   37.740224] Code:<6>[   40.041717] lkdtm: Performing direct entry SLAB_FREE_CROSS

 3737 16:02:07.916839   cc cc cc 0f 1f 44 00 00 53 48 c7 c7 78 9d 7f a1 50 65 48 8b 04 <6>[   40.051996] lkdtm: Attempting cross-cache slab free ...

 3738 16:02:07.930097  25 40 b0 01 00 48 8b 58 18 e8 b5 de fb ff 48 c7 c7 b8 9d 7f a1 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 9b de fb ff 0f 1f 44

 3739 16:02:07.936827  # [   37.761495] RSP: 0018:ffffac21c180fe50 EFLAGS: 00010246

 3740 16:02:07.943242  # [   37.767611] RAX: 0000000000000038 RBX: ffffac21c180c000 RCX: 0000000000000000

 3741 16:02:07.953250  # [   37.775862] RDX: 0000000000000000 RSI: ffff9efd3ac1bf70 RDI: ffffffffa17f9db8

 3742 16:02:07.959798  # [   37.784121] RBP: ffffffffa17f94e2 R08: 0000000000000000 R09: 0000000000000000

 3743 16:02:07.969909  # [   37.792379] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019

 3744 16:02:07.976736  # [   37.800639] R13: ffffac21c180ff10 R14: ffffac21c180ff10 R15: ffff9efcc309c000

 3745 16:02:07.985985  # [   37.808900] FS:  00007f917fbb2580(0000) GS:ffff9efd3ac00000(0000) knlGS:0000000000000000

 3746 16:02:07.999007  # [   37.818219] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008<6>[   40.134903] lkdtm: Performing direct entry SLAB_FREE_PAGE

 3747 16:02:08.002582  <6>[   40.145233] lkdtm: Attempting non-Slab slab free ...

 3748 16:02:08.005655  0050033

 3749 16:02:08.012240  # [   37.824923] CR2: ffffac21c180bfff CR3: 0000000105cd0006 CR4: 00000000003706f0

 3750 16:02:08.015849  # [   37.833183] Call Trace:

 3751 16:02:08.018905  # [   37.836200]  <#DF>

 3752 16:02:08.022765  # [   37.838733]  ? __die_body.cold+0x1a/0x1f

 3753 16:02:08.025475  # [   37.843408]  ? die+0x2b/0x50

 3754 16:02:08.032354  # [   37.846917]  ? handle_stack_overflow+0x3e/0x4d

 3755 16:02:08.035565  # [   37.852167]  ? no_context+0x24d/0x380

 3756 16:02:08.038538  # [   37.856534]  </#DF>

 3757 16:02:08.091433  # [   37.859162] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 3758 16:02:08.095028  # [   37.911933] ---[ end trace ffd54ce207130e7a ]---

 3759 16:02:08.101064  # [   37.917386] RIP: 0010:lkdtm_BUG+0x5/0x10

 3760 16:02:08.121152  # [   37.922060] Code: 89 ff e8 4e e7 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 57 e9 02

 3761 16:02:08.127592  # [   37.943336] RSP: 0018:ffffac21c131fe60 EFLAGS: 00010286

 3762 16:02:08.137272  # [   37.949460] RAX: ffffffffa0379430 RBX: 0000000000000001 RCX: 0000000000000000

 3763 16:02:08.143709  # [   37.957720] RDX: 0000000000000000 RSI: ffff9efd3ad9bf70 RDI: ffffffffa137e830

 3764 16:02:08.153443  # [   37.965979] RBP: ffffffffa185db78 R08: 0000000000000001 R09: 0000000000000001

 3765 16:02:08.160242  # [   37.974239] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3766 16:02:08.167138  # [   37.982499] R13: ffffac21c131ff10 R14: ffffac21c131ff10 R15: ffff9efcc43c9000

 3767 16:02:08.177037  # [   37.990759] FS:  00007f917fbb2580(0000) GS:ffff9efd3ac00000(0000) knlGS:0000000000000000

 3768 16:02:08.183619  # [   38.000089] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3769 16:02:08.193163  # [   38.006796] CR2: ffffac21c180bfff CR3: 0000000105cd0006 CR4: 00000000003706f0

 3770 16:02:08.202790  # [   38.015059] BUG: sleeping function <6>[   40.343608] lkdtm: Performing direct entry EXEC_DATA

 3771 16:02:08.209891  <6>[   40.349577] lkdtm: attempting ok execution at ffffffffa0379800

 3772 16:02:08.216086  <6>[   40.356434] lkdtm: attempting bad execution at ffffffffa320ebe0

 3773 16:02:08.222612  called from invalid context at include/linux/percpu-rwsem.h:49

 3774 16:02:08.229464  <2>[   40.363352] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)

 3775 16:02:08.239295  <1>[   40.378209] BUG: unable to handle page fault for address: ffffffffa320ebe0

 3776 16:02:08.245850  <1>[   40.386179] #PF: supervisor instruction fetch in kernel mode

 3777 16:02:08.252461  <1>[   40.392789] #PF: error_code(0x0011) - permissions violation

 3778 16:02:08.259207  <6>[   40.399303] PGD 20629067 P4D 20629067 PUD 2062a063 PMD 8000000021e000e3 

 3779 16:02:08.262271  <4>[   40.407083] Oops: 0011 [#5] SMP PTI

 3780 16:02:08.272225  <4>[   40.411265] CPU: 3 PID: 1543 Comm: cat Tainted: G      D W         5.10.181-cip34 #1

 3781 16:02:08.278680  <4>[   40.420206] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3782 16:02:08.285156  <4>[   40.427305] RIP: 0010:data_area+0x0/0x40

 3783 16:02:08.304856  <4>[   40.431973] Code: ff ff 00 d2 e7 c4 fc 9e ff ff 00 d1 e7 c4 fc 9e ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55

 3784 16:02:08.311613  <4>[   40.453250] RSP: 0018:ffffac21c20d7e48 EFLAGS: 00010246

 3785 16:02:08.321290  <4>[   40.459375] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000

 3786 16:02:08.328248  <4>[   40.467637] RDX: 0000000000000000 RSI: ffff9efd3ad9bf70 RDI: ffff9efd3ad9bf70

 3787 16:02:08.338144  <4>[   40.475899] RBP: ffffffffa320ebe0 R08: 0000000000000000 R09: 0000000000000000

 3788 16:02:08.345038  <4>[   40.484161] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a

 3789 16:02:08.354131  <4>[   40.492440] R13: ffffac21c20d7f10 R14: ffffac21c20d7f10 R15: ffff9efcc5ae2000

 3790 16:02:08.364182  <4>[   40.500701] FS:  00007fcba2cc3580(0000) GS:ffff9efd3ad80000(0000) knlGS:0000000000000000

 3791 16:02:08.370964  <4>[   40.510031] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3792 16:02:08.377281  <4>[   40.516739] CR2: ffffffffa320ebe0 CR3: 0000000103cb4002 CR4: 00000000003706e0

 3793 16:02:08.380383  <4>[   40.524999] Call Trace:

 3794 16:02:08.384135  <4>[   40.528020]  ? __die_body.cold+0x1a/0x1f

 3795 16:02:08.390357  <4>[   40.532691]  ? no_context+0x177/0x380

 3796 16:02:08.393634  <4>[   40.537072]  ? exc_page_fault+0xd7/0x170

 3797 16:02:08.400532  <4>[   40.541741]  ? asm_exc_page_fault+0x1e/0x30

 3798 16:02:08.403455  <4>[   40.546705]  ? execute_location+0x45/0x56

 3799 16:02:08.409983  <4>[   40.551471]  ? direct_entry.cold+0x2c/0x38

 3800 16:02:08.413082  <4>[   40.556337]  ? full_proxy_write+0x53/0x80

 3801 16:02:08.416431  <4>[   40.561104]  ? vfs_write+0xe7/0x3b0

 3802 16:02:08.423391  <4>[   40.565278]  ? ksys_write+0x68/0xf0

 3803 16:02:08.426349  <4>[   40.569462]  ? do_syscall_64+0x30/0x40

 3804 16:02:08.433340  <4>[   40.573936]  ? entry_SYSCALL_64_after_hwframe+0x61/0xc6

 3805 16:02:08.485800  <4>[   40.580064] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 3806 16:02:08.496050  # [   38.025262] in_atomic(): 0, irqs_disabled(): 1, non_block: <4>[   40.632858] CR2: ffffffffa320ebe0

 3807 16:02:08.502288  <4>[   40.643058] ---[ end trace ffd54ce207130e7d ]---

 3808 16:02:08.505612  <4>[   40.648505] RIP: 0010:lkdtm_BUG+0x5/0x10

 3809 16:02:08.525374  <4>[   40.653173] Code: 89 ff e8 4e e7 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 57 e9 02

 3810 16:02:08.531802  <4>[   40.674447] RSP: 0018:ffffac21c131fe60 EFLAGS: 00010286

 3811 16:02:08.541776  <4>[   40.680573] RAX: ffffffffa0379430 RBX: 0000000000000001 RCX: 0000000000000000

 3812 16:02:08.548342  <4>[   40.688835] RDX: 0000000000000000 RSI: ffff9efd3ad9bf70 RDI: ffffffffa137e830

 3813 16:02:08.558343  <4>[   40.697097] RBP: ffffffffa185db78 R08: 0000000000000001 R09: 0000000000000001

 3814 16:02:08.565520  <4>[   40.705356] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3815 16:02:08.574956  <4>[   40.713617] R13: ffffac21c131ff10 R14: ffffac21c131ff10 R15: ffff9efcc43c9000

 3816 16:02:08.584604  <4>[   40.721877] FS:  00007fcba2cc3580(0000) GS:ffff9efd3ad80000(0000) knlGS:0000000000000000

 3817 16:02:08.591364  <4>[   40.731205] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3818 16:02:08.597836  <4>[   40.737911] CR2: ffffffffa320ebe0 CR3: 0000000103cb4002 CR4: 00000000003706e0

 3819 16:02:08.607981  <3>[   40.746173] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 3820 16:02:08.617647  <3>[   40.756374] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1543, name: cat

 3821 16:02:08.620688  <4>[   40.765121] INFO: lockdep is turned off.

 3822 16:02:08.627305  <4>[   40.769787] irq event stamp: 0

 3823 16:02:08.634374  <4>[   40.773491] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3824 16:02:08.643959  <4>[   40.780781] hardirqs last disabled at (0): [<ffffffff9f8fd844>] copy_process+0x664/0x1c60

 3825 16:02:08.650515  <4>[   40.790208] softirqs last  enabled at (0): [<ffffffff9f8fd844>] copy_process+0x664/0x1c60

 3826 16:02:08.660346  <4>[   40.799634] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3827 16:02:08.666950  <4>[   40.806925] CPU: 3 PID: 1543 Comm: cat Tainted: G      D W         5.10.181-cip34 #1

 3828 16:02:08.676692  <4>[   40.815858] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3829 16:02:08.676777  <4>[   40.822953] Call Trace:

 3830 16:02:08.683389  <4>[   40.825972]  dump_stack+0x77/0x9b

 3831 16:02:08.686763  <4>[   40.829960]  ___might_sleep.cold+0xa6/0xb6

 3832 16:02:08.689860  <4>[   40.834824]  exit_signals+0x1c/0x300

 3833 16:02:08.696693  <4>[   40.839105]  do_exit+0xc2/0xab0

 3834 16:02:08.699931  <4>[   40.842901]  ? ksys_write+0x68/0xf0

 3835 16:02:08.703351  <4>[   40.847083]  make_task_dead+0x2f/0x30

 3836 16:02:08.709948  <4>[   40.851452]  rewind_stack_and_make_dead+0x17/0x20

 3837 16:02:08.713025  <4>[   40.856986] RIP: 0033:0x7fcba2bd9473

 3838 16:02:08.735976  <4>[   40.861266] 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

 3839 16:02:08.742485  <4>[   40.882534] RSP: 002b:00007ffc0e44a7d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3840 16:02:08.752488  <4>[   40.891282] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fcba2bd9473

 3841 16:02:08.759020  <4>[   40.899542] RDX: 000000000000000a RSI: 00007fcba2acd000 RDI: 0000000000000001

 3842 16:02:08.769148  <4>[   40.907802] RBP: 00007fcba2acd000 R08: 00007fcba2acc010 R09: 0000000000000000

 3843 16:02:08.775452  <4>[   40.916063] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3844 16:02:08.785263  <4>[   40.924325] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3845 16:02:08.788846  0, pid: 967, name: cat

 3846 16:02:08.792011  # [   38.033912] INFO: lockdep is turned off.

 3847 16:02:08.795267  # [   38.038580] irq event stamp: 0

 3848 16:02:08.801952  # [   38.042278] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3849 16:02:08.812023  # [   38.049568] hardirqs last disabled at (0): [<ffffffff9f8fd844>] copy_process+0x664/0x1c60

 3850 16:02:08.822013  # [   38.058995] softirqs last  enabled at (0): [<ffffffff9f8fd844>] copy_process+0x664/0x1c60

 3851 16:02:08.828367  # [   38.068414] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3852 16:02:08.838202  # [   38.075696] CPU: 0 PID: 967 Comm: cat Tainted: G      D W         5.10.181-cip34 #1

 3853 16:02:08.844681  # [   38.084531] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3854 16:02:08.847869  # [   38.091626] Call Trace:

 3855 16:02:08.851242  # [   38.094646]  dump_stack+0x77/0x9b

 3856 16:02:08.854394  # [   38.098642]  ___might_sleep.cold+0xa6/0xb6

 3857 16:02:08.861030  # [   38.103507]  exit_signals+0x1c/0x300

 3858 16:02:08.864700  # [   38.107794]  do_exit+0xc2/0xab0

 3859 16:02:08.867909  # [   38.111590]  ? ksys_write+0x68/0xf0

 3860 16:02:08.871055  # [   38.115780]  make_task_dead+0x2f/0x30

 3861 16:02:08.877995  # [   38.120149]  rewind_stack_and_make_dead+0x17/0x20

 3862 16:02:08.881178  # [   38.125692] RIP: 0033:0x7f917fac8473

 3863 16:02:08.897188  # [   38.129973] 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<6>[   41.033926] lkdtm: Performing direct entry EXEC_STACK

 3864 16:02:08.904044  <6>[   41.044232] lkdtm: attempting ok execution at ffffffffa0379800

 3865 16:02:08.910854  <6>[   41.051071] lkdtm: attempting bad execution at ffffac21c2167e18

 3866 16:02:08.920426  <2>[   41.057979] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)

 3867 16:02:08.926659  <1>[   41.066660] BUG: unable to handle page fault for address: ffffac21c2167e18

 3868 16:02:08.933516  <1>[   41.074630] #PF: supervisor instruction fetch in kernel mode

 3869 16:02:08.940374  <1>[   41.081232] #PF: error_code(0x0011) - permissions violation

 3870 16:02:08.956538  4 <8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 6>[   41.087745] PGD 100000067 P4D 100000067 PUD 100231067 PMD 102657067 PTE 8000000106f54063

 3871 16:02:08.959854  <4>[   41.103298] Oops: 0011 [#6] SMP PTI

 3872 16:02:08.969886  <4>[   41.107481] CPU: 3 PID: 1579 Comm: cat Tainted: G      D W         5.10.181-cip34 #1

 3873 16:02:08.976435  <4>[   41.116440] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3874 16:02:08.979618  <4>[   41.123529] RIP: 0010:0xffffac21c2167e18

 3875 16:02:09.002631  <4>[   41.128198] Code: 00 00 18 7e 16 c2 21 ac ff ff 51 e6 a0 a0 ff ff ff ff 20 00 00 00 00 00 00 00 3e 96 7f a1 ff ff ff ff 80 e7 a0 a0 ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55

 3876 16:02:09.009043  <4>[   41.149462] RSP: 0018:ffffac21c2167df8 EFLAGS: 00010246

 3877 16:02:09.016170  <4>[   41.155586] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000

 3878 16:02:09.025521  <4>[   41.163847] RDX: 0000000000000000 RSI: ffff9efd3ad9bf70 RDI: ffff9efd3ad9bf70

 3879 16:02:09.032125  <4>[   41.172105] RBP: ffffac21c2167e18 R08: 0000000000000000 R09: 0000000000000000

 3880 16:02:09.042575  <4>[   41.180366] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b

 3881 16:02:09.048839  <4>[   41.188626] R13: ffffac21c2167f10 R14: ffffac21c2167f10 R15: ffff9efcc2a0c000

 3882 16:02:09.058627  <4>[   41.196887] FS:  00007fb5f9e1d580(0000) GS:ffff9efd3ad80000(0000) knlGS:0000000000000000

 3883 16:02:09.065042  <4>[   41.206216] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3884 16:02:09.074826  <4>[   41.212922] CR2: ffffac21c2167e18 CR3: 0000000106e58003 CR4: 00000000003706e0

 3885 16:02:09.074910  <4>[   41.221183] Call Trace:

 3886 16:02:09.081832  <4>[   41.224203]  ? __die_body.cold+0x1a/0x1f

 3887 16:02:09.084942  <4>[   41.228873]  ? no_context+0x177/0x380

 3888 16:02:09.091685  <4>[   41.233252]  ? exc_page_fault+0xd7/0x170

 3889 16:02:09.094921  <4>[   41.237923]  ? asm_exc_page_fault+0x1e/0x30

 3890 16:02:09.101401  <4>[   41.242887]  ? execute_location+0x45/0x56

 3891 16:02:09.104535  <4>[   41.247654]  ? lkdtm_EXEC_STACK+0x26/0x44

 3892 16:02:09.111179  <4>[   41.252436]  ? direct_entry.cold+0x2c/0x38

 3893 16:02:09.114692  00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 3894 16:02:09.121031  # [<4>[   41.257310]  ? full_proxy_write+0x53/0x80

 3895 16:02:09.124738  <4>[   41.268289]  ? vfs_write+0xe7/0x3b0

 3896 16:02:09.127573  <4>[   41.272473]  ? ksys_write+0x68/0xf0

 3897 16:02:09.134474  <4>[   41.276676]  ? do_syscall_64+0x30/0x40

 3898 16:02:09.141039  <4>[   41.281142]  ? entry_SYSCALL_64_after_hwframe+0x61/0xc6

 3899 16:02:09.200263     38.151249] RSP: 002b:00007fffbc01ae48 EFLAGS: 00000246 ORIG_R<4>[   41.287269] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 3900 16:02:09.203689  <4>[   41.346268] CR2: ffffac21c2167e18

 3901 16:02:09.206806  <4>[   41.350255] ---[ end trace ffd54ce207130e7e ]---

 3902 16:02:09.213207  <4>[   41.355703] RIP: 0010:lkdtm_BUG+0x5/0x10

 3903 16:02:09.233344  <4>[   41.360370] Code: 89 ff e8 4e e7 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 57 e9 02

 3904 16:02:09.239448  <4>[   41.381646] RSP: 0018:ffffac21c131fe60 EFLAGS: 00010286

 3905 16:02:09.249724  <4>[   41.387773] RAX: ffffffffa0379430 RBX: 0000000000000001 RCX: 0000000000000000

 3906 16:02:09.256447  <4>[   41.396035] RDX: 0000000000000000 RSI: ffff9efd3ad9bf70 RDI: ffffffffa137e830

 3907 16:02:09.265665  <4>[   41.404297] RBP: ffffffffa185db78 R08: 0000000000000001 R09: 0000000000000001

 3908 16:02:09.272310  <4>[   41.412558] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3909 16:02:09.282053  <4>[   41.420818] R13: ffffac21c131ff10 R14: ffffac21c131ff10 R15: ffff9efcc43c9000

 3910 16:02:09.292186  <4>[   41.429081] FS:  00007fb5f9e1d580(0000) GS:ffff9efd3ad80000(0000) knlGS:0000000000000000

 3911 16:02:09.298650  <4>[   41.438411] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3912 16:02:09.305469  <4>[   41.445118] CR2: ffffac21c2167e18 CR3: 0000000106e58003 CR4: 00000000003706e0

 3913 16:02:09.308413  AX: 0000000000000001

 3914 16:02:09.315041  # [   38.159996] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f917fac8473

 3915 16:02:09.325150  # [   38.168256] RDX: 0000000000000019 RSI: 00007f917f9bc000 RDI: 0000000000000001

 3916 16:02:09.331902  # [   38.176516] RBP: 00007f917f9bc000 R08: 00007f917f9bb010 R09: 0000000000000000

 3917 16:02:09.341581  # [   38.184777] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3918 16:02:09.348158  # [   38.193037] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3919 16:02:09.354891  # STACK_GUARD_PAGE_LEADING: saw 'call trace:': ok

 3920 16:02:09.357922  ok 12 selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh

 3921 16:02:09.364546  # selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh

 3922 16:02:09.364629  # Segmentation fault

 3923 16:02:09.374299  # [   38.292523] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING

 3924 16:02:09.381399  # [   38.301951] lkdtm: attempting bad read from page above current stack

 3925 16:02:09.390626  # [   38.315571] BUG: stack guard page was hit at 000000008c42977c (stack is 000000006e6f1680..000000003b8b786c)

 3926 16:02:09.397411  # [   38.332944] kernel stack overflow (page fault): 0000 [#4] SMP PTI

 3927 16:02:09.407191  # [   38.340041] CPU: 0 PID: 1000 Comm: cat Tainted: G      D W         5.10.181-cip34 #1

 3928 16:02:09.417176  # [   38.348974] Hardware name: Google Ramm<6>[   41.553664] lkdtm: Performing direct entry EXEC_KMALLOC

 3929 16:02:09.424035  <6>[   41.565228] lkdtm: attempting ok execution at ffffffffa0379800

 3930 16:02:09.430145  <6>[   41.572077] lkdtm: attempting bad execution at ffff9efcc50b1680

 3931 16:02:09.440171  <2>[   41.579011] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)

 3932 16:02:09.446752  <1>[   41.587669] BUG: unable to handle page fault for address: ffff9efcc50b1680

 3933 16:02:09.453731  <1>[   41.595637] #PF: supervisor instruction fetch in kernel mode

 3934 16:02:09.459819  <1>[   41.602244] #PF: error_code(0x0011) - permissions violation

 3935 16:02:09.469635  <6>[   41.608755] PGD 22001067 P4D 22001067 PUD 100870063 PMD 1050d7063 PTE 80000001050b1063

 3936 16:02:09.473287  <4>[   41.617893] Oops: 0011 [#7] SMP PTI

 3937 16:02:09.483510  <4>[   41.622068] CPU: 3 PID: 1615 Comm: cat Tainted: G      D W         5.10.181-cip34 #1

 3938 16:02:09.489725  <4>[   41.631010] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3939 16:02:09.496006  <4>[   41.638098] RIP: 0010:0xffff9efcc50b1680

 3940 16:02:09.515894  <4>[   41.642766] Code: 00 00 02 00 00 00 00 00 00 00 c0 1f 0b c5 fc 9e ff ff 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fb ef 8f 9f ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55

 3941 16:02:09.522663  <4>[   41.664040] RSP: 0018:ffffac21c2047e38 EFLAGS: 00010246

 3942 16:02:09.529253  <4>[   41.670165] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000

 3943 16:02:09.539130  <4>[   41.678449] RDX: 0000000000000000 RSI: ffff9efd3ad9bf70 RDI: ffff9efd3ad9bf70

 3944 16:02:09.549002  <4>[   41.686710] RBP: ffff9efcc50b1680 R08: 0000000000000000 R09: 0000000000000000

 3945 16:02:09.556008  <4>[   41.694969] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d

 3946 16:02:09.565468  <4>[   41.703227] R13: ffffac21c2047f10 R14: ffffac21c2047f10 R15: ffff9efcc32d6000

 3947 16:02:09.572002  <4>[   41.711493] FS:  00007f0a720d5580(0000) GS:ffff9efd3ad80000(0000) knlGS:0000000000000000

 3948 16:02:09.578506  <4>[   41.720821] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3949 16:02:09.589534  <4>[   41.727528] CR2: ffff9efcc50b1680 CR3: 0000000103484005 CR4: 00000000003706e0

 3950 16:02:09.591605  <4>[   41.735780] Call Trace:

 3951 16:02:09.594944  <4>[   41.738799]  ? __die_body.cold+0x1a/0x1f

 3952 16:02:09.601297  <4>[   41.743481]  ? no_context+0x177/0x380

 3953 16:02:09.604552  <4>[   41.747893]  ? exc_page_fault+0xd7/0x170

 3954 16:02:09.611360  <4>[   41.752563]  ? asm_exc_page_fault+0x1e/0x30

 3955 16:02:09.614389  <4>[   41.757526]  ? execute_location+0x45/0x56

 3956 16:02:09.620908  <4>[   41.762292]  ? lkdtm_EXEC_KMALLOC+0x2c/0x40

 3957 16:02:09.624286  <4>[   41.767251]  ? direct_entry.cold+0x2c/0x38

 3958 16:02:09.627692  <4>[   41.772114]  ? full_proxy_write+0x53/0x80

 3959 16:02:09.634349  <4>[   41.776881]  ? vfs_write+0xe7/0x3b0

 3960 16:02:09.637528  <4>[   41.781063]  ? ksys_write+0x68/0xf0

 3961 16:02:09.640758  <4>[   41.785246]  ? do_syscall_64+0x30/0x40

 3962 16:02:09.647335  <4>[   41.789712]  ? entry_SYSCALL_64_after_hwframe+0x61/0xc6

 3963 16:02:09.650742  us/Rammus, BIOS  09/04/2020

 3964 16:02:09.707040  # [   38.356075] RIP: 0010:lkdtm_ST<4>[   41.795841] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 3965 16:02:09.710112  <4>[   41.854791] CR2: ffff9efcc50b1680

 3966 16:02:09.717276  <4>[   41.858780] ---[ end trace ffd54ce207130e7f ]---

 3967 16:02:09.719918  <4>[   41.864226] RIP: 0010:lkdtm_BUG+0x5/0x10

 3968 16:02:09.743053  <4>[   41.868893] Code: 89 ff e8 4e e7 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 57 e9 02

 3969 16:02:09.749899  <4>[   41.890157] RSP: 0018:ffffac21c131fe60 EFLAGS: 00010286

 3970 16:02:09.756268  <4>[   41.896281] RAX: ffffffffa0379430 RBX: 0000000000000001 RCX: 0000000000000000

 3971 16:02:09.765769  <4>[   41.904541] RDX: 0000000000000000 RSI: ffff9efd3ad9bf70 RDI: ffffffffa137e830

 3972 16:02:09.772833  <4>[   41.912801] RBP: ffffffffa185db78 R08: 0000000000000001 R09: 0000000000000001

 3973 16:02:09.782226  <4>[   41.921062] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3974 16:02:09.788976  <4>[   41.929322] R13: ffffac21c131ff10 R14: ffffac21c131ff10 R15: ffff9efcc43c9000

 3975 16:02:09.798892  <4>[   41.937581] FS:  00007f0a720d5580(0000) GS:ffff9efd3ad80000(0000) knlGS:0000000000000000

 3976 16:02:09.805440  <4>[   41.946909] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3977 16:02:09.815226  <4>[   41.953614] CR2: ffff9efcc50b1680 CR3: 0000000103484005 CR4: 00000000003706e0

 3978 16:02:09.825137  <3>[   41.961873] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 3979 16:02:09.831739  <3>[   41.972075] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1615, name: cat

 3980 16:02:09.838727  <4>[   41.980820] INFO: lockdep is turned off.

 3981 16:02:09.841426  <4>[   41.985487] irq event stamp: 0

 3982 16:02:09.848237  <4>[   41.989184] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3983 16:02:09.857940  <4>[   41.996466] hardirqs last disabled at (0): [<ffffffff9f8fd844>] copy_process+0x664/0x1c60

 3984 16:02:09.868361  <4>[   42.005891] softirqs last  enabled at (0): [<ffffffff9f8fd844>] copy_process+0x664/0x1c60

 3985 16:02:09.874393  <4>[   42.015318] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3986 16:02:09.884421  <4>[   42.022608] CPU: 3 PID: 1615 Comm: cat Tainted: G      D W         5.10.181-cip34 #1

 3987 16:02:09.891091  <4>[   42.031547] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 3988 16:02:09.894403  <4>[   42.038643] Call Trace:

 3989 16:02:09.897738  <4>[   42.041663]  dump_stack+0x77/0x9b

 3990 16:02:09.904459  <4>[   42.045651]  ___might_sleep.cold+0xa6/0xb6

 3991 16:02:09.907219  <4>[   42.050514]  exit_signals+0x1c/0x300

 3992 16:02:09.910679  <4>[   42.054787]  do_exit+0xc2/0xab0

 3993 16:02:09.914415  <4>[   42.058583]  ? ksys_write+0x68/0xf0

 3994 16:02:09.920446  <4>[   42.062767]  make_task_dead+0x2f/0x30

 3995 16:02:09.923749  <4>[   42.067144]  rewind_stack_and_make_dead+0x17/0x20

 3996 16:02:09.930176  <4>[   42.072677] RIP: 0033:0x7f0a71feb473

 3997 16:02:09.950023  <4>[   42.076948] 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

 3998 16:02:09.959996  <4>[   42.098222] RSP: 002b:00007ffdb3e3e538 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3999 16:02:09.966832  <4>[   42.106970] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f0a71feb473

 4000 16:02:09.976420  <4>[   42.115232] RDX: 000000000000000d RSI: 00007f0a71edf000 RDI: 0000000000000001

 4001 16:02:09.983215  <4>[   42.123492] RBP: 00007f0a71edf000 R08: 00007f0a71ede010 R09: 0000000000000000

 4002 16:02:09.992812  <4>[   42.131753] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4003 16:02:09.999500  <4>[   42.140014] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4004 16:02:10.002785  ACK_GUARD_PAGE_TRAILING+0x27/0x3d

 4005 16:02:10.025654  # [   38.362981] Code: de fb ff 0f 1f 44 00 00 53 48 c7 c7 f0 9d 7f a1 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 7b de fb ff 48 c7 c7 30 9e 7f a1 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 5e de fb ff

 4006 16:02:10.032219  # [   38.384253] RSP: 0018:ffffac21c1877e50 EFLAGS: 00010246

 4007 16:02:10.038867  # [   38.390377] RAX: 0000000000000038 RBX: ffffac21c1874000 RCX: 0000000000000000

 4008 16:02:10.048895  # [   38.398636] RDX: 0000000000000000 RSI: ffff9efd3ac1bf70 RDI: ffffffffa17f9e30

 4009 16:02:10.055694  # [   38.406897] RBP: ffffffffa17f94fb R08: 0000000000000000 R09: 0000000000000000

 4010 16:02:10.065163  # [   38.415159] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a

 4011 16:02:10.071754  # [   38.423421] R13: ffffac21c1877f10 R14: ffffac21c1877f10 R15: ffff9efcc3c43000

 4012 16:02:10.081904  # [   38.431682] FS:  00007f63f9e7b580(0000) GS:ffff9efd3ac00000(0000) knlGS:0000000000000000

 4013 16:02:10.088260  # [   38.441010] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4014 16:02:10.095121  # [   38.447717] CR2: ffffac21c1878000 CR3: 0000000103cc4004 CR4: 00000000003706f0

 4015 16:02:10.098464  # [   38.455977] Call Trace:

 4016 16:02:10.101669  # [   38.458994]  <#DF>

 4017 16:02:10.104792  # [   38.461528]  ? __die_body.cold+0x1a/0x1f

 4018 16:02:10.108342  # [   38.466203]  ? die+0x2b/0x50

 4019 16:02:10.118176  # [   38.469713]  ? handle_stack_<6>[   42.256723] lkdtm: Performing direct entry EXEC_VMALLOC

 4020 16:02:10.121173  overflow+0x3e/0x4d

 4021 16:02:10.124674  # [   38.474966]  ? no_context+0x24d/0x380

 4022 16:02:10.131322  <6>[   42.266361] lkdtm: attempting ok execution at ffffffffa0379800

 4023 16:02:10.134293  # [   38.479341]  </#DF>

 4024 16:02:10.143975  # [   38.481968] Modules linked in: fu<6>[   42.279371] lkdtm: attempting bad execution at ffffac21c0375000

 4025 16:02:10.160718  se ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_c<2>[   42.292534] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)

 4026 16:02:10.167166  <1>[   42.307385] BUG: unable to handle page fault for address: ffffac21c0375000

 4027 16:02:10.173901  <1>[   42.315356] #PF: supervisor instruction fetch in kernel mode

 4028 16:02:10.180745  <1>[   42.321966] #PF: error_code(0x0011) - permissions violation

 4029 16:02:10.190587  <6>[   42.328492] PGD 100000067 P4D 100000067 PUD 100231067 PMD 1009a8067 PTE 8000000106f64063

 4030 16:02:10.193659  <4>[   42.337833] Oops: 0011 [#8] SMP PTI

 4031 16:02:10.203413  <4>[   42.342015] CPU: 0 PID: 1651 Comm: cat Tainted: G      D W         5.10.181-cip34 #1

 4032 16:02:10.210469  <4>[   42.350957] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4033 16:02:10.216599  <4>[   42.358055] RIP: 0010:0xffffac21c0375000

 4034 16:02:10.223228  <4>[   42.362724] Code: Unable to access opcode bytes at RIP 0xffffac21c0374fd6.

 4035 16:02:10.229833  <4>[   42.370686] RSP: 0018:ffffac21c2257e38 EFLAGS: 00010246

 4036 16:02:10.236351  <4>[   42.376812] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000

 4037 16:02:10.246505  <4>[   42.385073] RDX: 0000000000000000 RSI: ffff9efd3ac1bf70 RDI: ffff9efd3ac1bf70

 4038 16:02:10.252394  <4>[   42.393335] RBP: ffffac21c0375000 R08: 0000000000000000 R09: 0000000000000000

 4039 16:02:10.262391  <4>[   42.401597] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d

 4040 16:02:10.268932  <4>[   42.409859] R13: ffffac21c2257f10 R14: ffffac21c2257f10 R15: ffff9efcc6f64000

 4041 16:02:10.278865  <4>[   42.418123] FS:  00007f4eb6de2580(0000) GS:ffff9efd3ac00000(0000) knlGS:0000000000000000

 4042 16:02:10.285602  <4>[   42.427445] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4043 16:02:10.295484  <4>[   42.434153] CR2: ffffac21c0374fd6 CR3: 0000000106fb0005 CR4: 00000000003706f0

 4044 16:02:10.298607  <4>[   42.442415] Call Trace:

 4045 16:02:10.301945  <4>[   42.445450]  ? __die_body.cold+0x1a/0x1f

 4046 16:02:10.305472  <4>[   42.450125]  ? no_context+0x177/0x380

 4047 16:02:10.312379  <4>[   42.454503]  ? exc_page_fault+0xd7/0x170

 4048 16:02:10.315453  <4>[   42.459179]  ? asm_exc_page_fault+0x1e/0x30

 4049 16:02:10.321909  <4>[   42.464134]  ? execute_location+0x45/0x56

 4050 16:02:10.324919  <4>[   42.468897]  ? lkdtm_EXEC_VMALLOC+0x20/0x30

 4051 16:02:10.331892  <4>[   42.473848]  ? direct_entry.cold+0x2c/0x38

 4052 16:02:10.334763  <4>[   42.478714]  ? full_proxy_write+0x53/0x80

 4053 16:02:10.341745  <4>[   42.483490]  ? vfs_write+0xe7/0x3b0

 4054 16:02:10.344767  <4>[   42.487673]  ? ksys_write+0x68/0xf0

 4055 16:02:10.347694  <4>[   42.491856]  ? do_syscall_64+0x30/0x40

 4056 16:02:10.354724  <4>[   42.496330]  ? entry_SYSCALL_64_after_hwframe+0x61/0xc6

 4057 16:02:10.407134  <4>[   42.502459] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 4058 16:02:10.410452  <4>[   42.555250] CR2: ffffac21c0375000

 4059 16:02:10.416960  <4>[   42.559245] ---[ end trace ffd54ce207130e80 ]---

 4060 16:02:10.420300  <4>[   42.564693] RIP: 0010:lkdtm_BUG+0x5/0x10

 4061 16:02:10.443130  <4>[   42.569366] Code: 89 ff e8 4e e7 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 57 e9 02

 4062 16:02:10.449702  <4>[   42.590642] RSP: 0018:ffffac21c131fe60 EFLAGS: 00010286

 4063 16:02:10.456571  <4>[   42.596758] RAX: ffffffffa0379430 RBX: 0000000000000001 RCX: 0000000000000000

 4064 16:02:10.465945  <4>[   42.605018] RDX: 0000000000000000 RSI: ffff9efd3ad9bf70 RDI: ffffffffa137e830

 4065 16:02:10.472951  <4>[   42.613279] RBP: ffffffffa185db78 R08: 0000000000000001 R09: 0000000000000001

 4066 16:02:10.482545  <4>[   42.621540] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4067 16:02:10.489080  <4>[   42.629802] R13: ffffac21c131ff10 R14: ffffac21c131ff10 R15: ffff9efcc43c9000

 4068 16:02:10.498680  <4>[   42.638063] FS:  00007f4eb6de2580(0000) GS:ffff9efd3ac00000(0000) knlGS:0000000000000000

 4069 16:02:10.505830  <4>[   42.647383] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4070 16:02:10.515145  <4>[   42.654090] CR2: ffffac21c0374fd6 CR3: 0000000106fb0005 CR4: 00000000003706f0

 4071 16:02:10.558545  ore industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 4072 16:02:10.561416  # [   38.534740] ---[ end trace ffd54ce207130e7b ]---

 4073 16:02:10.568268  # [   38.540191] RIP: 0010:lkdtm_BUG+0x5/0x10

 4074 16:02:10.587841  # [   38.544864] Code: 89 ff e8 4e e7 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 57 e9 02

 4075 16:02:10.594869  # [   38.566138] RSP: 0018:ffffac21c131fe60 EFLAGS: 00010286

 4076 16:02:10.604269  # [   38.572264] RAX: ffffffffa0379430 RBX: 0000000000000001 RCX: 0000000000000000

 4077 16:02:10.610770  # [   38.580524] RDX: 0000000000000000 RSI: ffff9efd3ad9bf70 RDI: ffffffffa137e830

 4078 16:02:10.617369  # [   38.588786] RBP: ffffffffa185db78 R08: 0000000000000001 R09: 0000000000000001

 4079 16:02:10.627486  # [   38.597046] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4080 16:02:10.633958  # [   38.605305] R13: ffffac21c131ff10 R14: ffffac21c131ff10 R15: ffff9efcc43c9000

 4081 16:02:10.644032  # [   38.613568] FS:  00007f63f9e7b580(0000) GS:ffff9efd3ac00000(0000) knlGS:0000000000000000

 4082 16:02:10.650393  # [   38.622896] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4083 16:02:10.660263  # [   38.629604] CR2: ffffac21c1878000 CR3: 0000000103cc4004 CR4: 00000000003706f0

 4084 16:02:10.664184  # STACK_GUARD_PAGE_TRAILING: saw 'call trace:': ok

 4085 16:02:10.670396  ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh

 4086 16:02:10.673690  # selftests: lkdtm: UNSET_SMEP.sh

 4087 16:02:10.680393  # [   38.792606] lkdtm: Performing direct entry UNSET_SMEP

 4088 16:02:10.683867  # [   38.799186] lkdtm: trying to clear SMEP normally

 4089 16:02:10.693390  # [   38.804637] ------------[ cut here ]------<6>[   42.831015] lkdtm: Performing direct entry EXEC_RODATA

 4090 16:02:10.703208  <6>[   42.842426] lkdtm: attempting ok execution at ffffffffa0379800

 4091 16:02:10.709977  <6>[   42.849269] lkdtm: attempting bad execution at ffffffffa137ecc0

 4092 16:02:10.716128  <2>[   42.856192] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)

 4093 16:02:10.725916  <1>[   42.864848] BUG: unable to handle page fault for address: ffffffffa137ecc0

 4094 16:02:10.732786  <1>[   42.872819] #PF: supervisor instruction fetch in kernel mode

 4095 16:02:10.739173  <1>[   42.879428] #PF: error_code(0x0011) - permissions violation

 4096 16:02:10.745851  <6>[   42.885940] PGD 20629067 P4D 20629067 PUD 2062a063 PMD 800000001fe000e1 

 4097 16:02:10.745935  ------

 4098 16:02:10.752181  # [   38.810086] pinned CR4 bits changed: 0x100000!?

 4099 16:02:10.756175  # <4>[   42.893722] Oops: 0011 [#9] SMP PTI

 4100 16:02:10.765550  <4>[   42.904120] CPU: 2 PID: 1687 Comm: cat Tainted: G      D W         5.10.181-cip34 #1

 4101 16:02:10.772228  <4>[   42.913060] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4102 16:02:10.778398  <4>[   42.920158] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10

 4103 16:02:10.801471  <4>[   42.926185] Code: ff ff f0 fb a0 a0 ff ff ff ff 8a 98 7f a1 ff ff ff ff 36 e3 a0 a0 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

 4104 16:02:10.804802  <4>[   42.947460] RSP: 0018:ffffac21c22efe48 EFLAGS: 00010246

 4105 16:02:10.814380  <4>[   42.953575] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000

 4106 16:02:10.821303  <4>[   42.961837] RDX: 0000000000000000 RSI: ffff9efd3ad1bf70 RDI: ffff9efd3ad1bf70

 4107 16:02:10.830846  <4>[   42.970097] RBP: ffffffffa137ecc0 R08: 0000000000000000 R09: 0000000000000000

 4108 16:02:10.837835  <4>[   42.978357] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c

 4109 16:02:10.847292  <4>[   42.986617] R13: ffffac21c22eff10 R14: ffffac21c22eff10 R15: ffff9efcc5f24000

 4110 16:02:10.857640  <4>[   42.994896] FS:  00007fc3aa0a0580(0000) GS:ffff9efd3ad00000(0000) knlGS:0000000000000000

 4111 16:02:10.864011  <4>[   43.004226] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4112 16:02:10.870648  <4>[   43.010935] CR2: ffffffffa137ecc0 CR3: 0000000105f8e004 CR4: 00000000003706e0

 4113 16:02:10.873554  <4>[   43.019196] Call Trace:

 4114 16:02:10.880241  <4>[   43.022216]  ? __die_body.cold+0x1a/0x1f

 4115 16:02:10.883742  <4>[   43.026886]  ? no_context+0x177/0x380

 4116 16:02:10.886961  <4>[   43.031265]  ? exc_page_fault+0xd7/0x170

 4117 16:02:10.893271  <4>[   43.035933]  ? asm_exc_page_fault+0x1e/0x30

 4118 16:02:10.896576  <4>[   43.040898]  ? execute_location+0x45/0x56

 4119 16:02:10.903379  <4>[   43.045662]  ? direct_entry.cold+0x2c/0x38

 4120 16:02:10.906535  <4>[   43.050525]  ? full_proxy_write+0x53/0x80

 4121 16:02:10.912856  <4>[   43.055290]  ? vfs_write+0xe7/0x3b0

 4122 16:02:10.916043  <4>[   43.059464]  ? ksys_write+0x68/0xf0

 4123 16:02:10.919652  <4>[   43.063667]  ? do_syscall_64+0x30/0x40

 4124 16:02:10.926258  <4>[   43.068141]  ? entry_SYSCALL_64_after_hwframe+0x61/0xc6

 4125 16:02:10.985101  [   38.815453] WARNING: CPU: 2 PID: 1036 at arch/x86/kernel/cpu/<4>[   43.074270] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 4126 16:02:10.988747  <4>[   43.133267] CR2: ffffffffa137ecc0

 4127 16:02:10.994961  <4>[   43.137256] ---[ end trace ffd54ce207130e81 ]---

 4128 16:02:10.998375  <4>[   43.142693] RIP: 0010:lkdtm_BUG+0x5/0x10

 4129 16:02:11.021479  <4>[   43.147360] Code: 89 ff e8 4e e7 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 57 e9 02

 4130 16:02:11.028071  <4>[   43.168633] RSP: 0018:ffffac21c131fe60 EFLAGS: 00010286

 4131 16:02:11.034535  <4>[   43.174757] RAX: ffffffffa0379430 RBX: 0000000000000001 RCX: 0000000000000000

 4132 16:02:11.044685  <4>[   43.183019] RDX: 0000000000000000 RSI: ffff9efd3ad9bf70 RDI: ffffffffa137e830

 4133 16:02:11.051616  <4>[   43.191270] RBP: ffffffffa185db78 R08: 0000000000000001 R09: 0000000000000001

 4134 16:02:11.060914  <4>[   43.199529] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4135 16:02:11.067477  <4>[   43.207789] R13: ffffac21c131ff10 R14: ffffac21c131ff10 R15: ffff9efcc43c9000

 4136 16:02:11.077313  <4>[   43.216049] FS:  00007fc3aa0a0580(0000) GS:ffff9efd3ad00000(0000) knlGS:0000000000000000

 4137 16:02:11.084290  <4>[   43.225377] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4138 16:02:11.093593  <4>[   43.232084] CR2: ffffffffa137ecc0 CR3: 0000000105f8e004 CR4: 00000000003706e0

 4139 16:02:11.097491  common.c:392 native_write_cr4+0x45/0x60

 4140 16:02:11.149827  # [   38.832162] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 4141 16:02:11.159528  # [   38.891167] CPU: 2 PID: 1036 Comm: cat Tainted: G      D W         5.10.181-cip34 #1

 4142 16:02:11.166086  # [   38.900136] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4143 16:02:11.169549  # [   38.907236] RIP: 0010:native_write_cr4+0x45/0x60

 4144 16:02:11.192291  # [   38.912686] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d f3 34 46 02 00 75 f2 48 c7 c7 a0 7a 6f a1 c6 05 e3 34 46 02 01 e8 d2 40 10 01 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09

 4145 16:02:11.198825  # [   38.933993] RSP: 0018:ffffac21c18d7e48 EFLAGS: 00010286

 4146 16:02:11.206342  # [   3<6>[   43.342773] lkdtm: Performing direct entry EXEC_USERSPACE

 4147 16:02:11.212138  <6>[   43.352390] lkdtm: attempting ok execution at ffffffffa0379800

 4148 16:02:11.225242  8.940124] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 00000<6>[   43.359219] lkdtm: attempting bad execution at 00007f2b77b9c000

 4149 16:02:11.232323  <2>[   43.372330] unable to execute userspace code (SMEP?) (uid: 0)

 4150 16:02:11.238504  <1>[   43.379069] BUG: unable to handle page fault for address: 00007f2b77b9c000

 4151 16:02:11.245228  <1>[   43.387031] #PF: supervisor instruction fetch in kernel mode

 4152 16:02:11.251688  <1>[   43.393640] #PF: error_code(0x0011) - permissions violation

 4153 16:02:11.261497  <6>[   43.400154] PGD 8000000103bbd067 P4D 8000000103bbd067 PUD 1047e7067 PMD 105f8a067 PTE 107b36067

 4154 16:02:11.268110  <4>[   43.410167] Oops: 0011 [#10] SMP PTI

 4155 16:02:11.274888  <4>[   43.414448] CPU: 3 PID: 1723 Comm: cat Tainted: G      D W         5.10.181-cip34 #1

 4156 16:02:11.281428  <4>[   43.423390] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4157 16:02:11.288076  <4>[   43.430487] RIP: 0010:0x7f2b77b9c000

 4158 16:02:11.294802  <4>[   43.434767] Code: Unable to access opcode bytes at RIP 0x7f2b77b9bfd6.

 4159 16:02:11.301234  <4>[   43.442348] RSP: 0018:ffffac21c2387e50 EFLAGS: 00010246

 4160 16:02:11.308082  <4>[   43.448489] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000

 4161 16:02:11.317259  <4>[   43.456749] RDX: 0000000000000000 RSI: ffff9efd3ad9bf70 RDI: ffff9efd3ad9bf70

 4162 16:02:11.327092  <4>[   43.465011] RBP: 00007f2b77b9c000 R08: 0000000000000000 R09: 0000000000000000

 4163 16:02:11.334102  <4>[   43.473273] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f

 4164 16:02:11.343525  <4>[   43.481533] R13: ffffac21c2387f10 R14: ffffac21c2387f10 R15: ffff9efcc5f8e000

 4165 16:02:11.350511  <4>[   43.489796] FS:  00007f2b77b6d580(0000) GS:ffff9efd3ad80000(0000) knlGS:0000000000000000

 4166 16:02:11.357143  <4>[   43.499126] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4167 16:02:11.366717  <4>[   43.505832] CR2: 00007f2b77b9c000 CR3: 0000000102660004 CR4: 00000000003706e0

 4168 16:02:11.370139  <4>[   43.514094] Call Trace:

 4169 16:02:11.373509  <4>[   43.517115]  ? __die_body.cold+0x1a/0x1f

 4170 16:02:11.380227  <4>[   43.521784]  ? no_context+0x177/0x380

 4171 16:02:11.383497  <4>[   43.526164]  ? exc_page_fault+0x53/0x170

 4172 16:02:11.389495  <4>[   43.530834]  ? asm_exc_page_fault+0x1e/0x30

 4173 16:02:11.393214  <4>[   43.535798]  ? lkdtm_EXEC_USERSPACE.cold+0x66/0xae

 4174 16:02:11.399697  <4>[   43.541443]  ? direct_entry.cold+0x2c/0x38

 4175 16:02:11.402800  <4>[   43.546308]  ? full_proxy_write+0x53/0x80

 4176 16:02:11.406285  <4>[   43.551075]  ? vfs_write+0xe7/0x3b0

 4177 16:02:11.412879  <4>[   43.555258]  ? ksys_write+0x68/0xf0

 4178 16:02:11.416698  <4>[   43.559441]  ? do_syscall_64+0x30/0x40

 4179 16:02:11.422865  <4>[   43.563915]  ? entry_SYSCALL_64_after_hwframe+0x61/0xc6

 4180 16:02:11.474809  <4>[   43.570042] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 4181 16:02:11.474936  00000000000

 4182 16:02:11.484768  # [   38.954604] RDX: ffff9efd3ad2c660 RSI: ffff9ef<4>[   43.622837] CR2: 00007f2b77b9c000

 4183 16:02:11.491218  <4>[   43.633036] ---[ end trace ffd54ce207130e82 ]---

 4184 16:02:11.494596  <4>[   43.638491] RIP: 0010:lkdtm_BUG+0x5/0x10

 4185 16:02:11.517794  <4>[   43.643151] Code: 89 ff e8 4e e7 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 57 e9 02

 4186 16:02:11.524296  <4>[   43.664413] RSP: 0018:ffffac21c131fe60 EFLAGS: 00010286

 4187 16:02:11.530867  <4>[   43.670537] RAX: ffffffffa0379430 RBX: 0000000000000001 RCX: 0000000000000000

 4188 16:02:11.540829  <4>[   43.678798] RDX: 0000000000000000 RSI: ffff9efd3ad9bf70 RDI: ffffffffa137e830

 4189 16:02:11.547200  <4>[   43.687058] RBP: ffffffffa185db78 R08: 0000000000000001 R09: 0000000000000001

 4190 16:02:11.557091  <4>[   43.695317] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4191 16:02:11.564138  <4>[   43.703578] R13: ffffac21c131ff10 R14: ffffac21c131ff10 R15: ffff9efcc43c9000

 4192 16:02:11.573910  <4>[   43.711838] FS:  00007f2b77b6d580(0000) GS:ffff9efd3ad80000(0000) knlGS:0000000000000000

 4193 16:02:11.580245  <4>[   43.721168] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4194 16:02:11.590186  <4>[   43.727875] CR2: 00007f2b77b9c000 CR3: 0000000102660004 CR4: 00000000003706e0

 4195 16:02:11.599801  <3>[   43.736137] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 4196 16:02:11.606755  <3>[   43.746341] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1723, name: cat

 4197 16:02:11.613397  <4>[   43.755087] INFO: lockdep is turned off.

 4198 16:02:11.616465  <4>[   43.759755] irq event stamp: 0

 4199 16:02:11.623089  <4>[   43.763453] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 4200 16:02:11.633078  <4>[   43.770734] hardirqs last disabled at (0): [<ffffffff9f8fd844>] copy_process+0x664/0x1c60

 4201 16:02:11.642875  <4>[   43.780162] softirqs last  enabled at (0): [<ffffffff9f8fd844>] copy_process+0x664/0x1c60

 4202 16:02:11.649776  <4>[   43.789580] softirqs last disabled at (0): [<0000000000000000>] 0x0

 4203 16:02:11.659680  <4>[   43.796860] CPU: 3 PID: 1723 Comm: cat Tainted: G      D W         5.10.181-cip34 #1

 4204 16:02:11.665887  <4>[   43.805800] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4205 16:02:11.669215  <4>[   43.812894] Call Trace:

 4206 16:02:11.672495  <4>[   43.815912]  dump_stack+0x77/0x9b

 4207 16:02:11.675912  <4>[   43.819901]  ___might_sleep.cold+0xa6/0xb6

 4208 16:02:11.682518  <4>[   43.824765]  exit_signals+0x1c/0x300

 4209 16:02:11.685907  <4>[   43.829045]  do_exit+0xc2/0xab0

 4210 16:02:11.688860  <4>[   43.832831]  ? ksys_write+0x68/0xf0

 4211 16:02:11.692432  <4>[   43.837006]  make_task_dead+0x2f/0x30

 4212 16:02:11.698990  <4>[   43.841382]  rewind_stack_and_make_dead+0x17/0x20

 4213 16:02:11.702036  <4>[   43.846924] RIP: 0033:0x7f2b77a83473

 4214 16:02:11.725528  <4>[   43.851203] 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

 4215 16:02:11.734961  <4>[   43.872487] RSP: 002b:00007ffd9afc9ca8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4216 16:02:11.741849  <4>[   43.881232] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 00007f2b77a83473

 4217 16:02:11.751344  <4>[   43.889492] RDX: 000000000000000f RSI: 00007f2b77977000 RDI: 0000000000000001

 4218 16:02:11.757751  <4>[   43.897752] RBP: 00007f2b77977000 R08: 00007f2b77976010 R09: 0000000000000000

 4219 16:02:11.768256  <4>[   43.906013] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4220 16:02:11.774448  <4>[   43.914274] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4221 16:02:11.777523  d3ad1bf70 RDI: ffff9efd3ad1bf70

 4222 16:02:11.787562  # [   38.969083] RBP: ffffffffa17f9515 R08: 0000000000000000 R09: 0000000000000000

 4223 16:02:11.793990  # [   38.977349] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b

 4224 16:02:11.803822  # [   38.985615] R13: ffffac21c18d7f10 R14: ffffac21c18d7f10 R15: ffff9efcc5916000

 4225 16:02:11.810929  # [   38.993880] FS:  00007f8d315b6580(0000) GS:ffff9efd3ad00000(0000) knlGS:0000000000000000

 4226 16:02:11.817432  # [   39.003212] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4227 16:02:11.827094  # [   39.009918] CR2: 00007f8d313c0000 CR3: 00000001041a0002 CR4: 00000000003706e0

 4228 16:02:11.830216  # [   39.018211] Call Trace:

 4229 16:02:11.833759  # [   39.027447]  ? __warn+0x80/0x110

 4230 16:02:11.837013  # [   39.037554]  ? native_write_cr4+0x45/0x60

 4231 16:02:11.843327  # [   39.042326]  ? report_bug+0x9e/0xc0

 4232 16:02:11.846969  # [   39.046544]  ? handle_bug+0x41/0x90

 4233 16:02:11.849913  # [   39.050733]  ? exc_invalid_op+0x14/0x70

 4234 16:02:11.856652  # [   39.055309]  ? asm_exc_invalid_op+0x12/0x20

 4235 16:02:11.859906  # [   39.060278]  ? native_write_cr4+0x45/0x60

 4236 16:02:11.863055  # [   39.065076]  ? native_write_cr4+0x45/0x60

 4237 16:02:11.869961  # [   39.069849]  lkdtm_UNSET_SMEP.cold+0x1d/0x103

 4238 16:02:11.873306  # [   39.075038]  direct_entry.cold+0x2c/0x38

 4239 16:02:11.879862  # [   39.079712]  full_proxy_write+0x53/0x80

 4240 16:02:11.882841  # [   39.084317]  vfs_write+0xe7/0x3b0

 4241 16:02:11.886312  # [   39.088312]  ksys_write+0x68/0xf0

 4242 16:02:11.889761  # [   39.092326]  do_syscall_64+0x30/0x40

 4243 16:02:11.896118  # [   39.096612]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 4244 16:02:11.899365  # [   39.102548] RIP: 0033:0x7f8d314cc473

 4245 16:02:11.922644  # [   39.106832] 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

 4246 16:02:11.929193  # [   39.128115] RSP: 002b:00007ffdf0d2cdb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4247 16:02:11.939056  # [   39.136866] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f8d314cc473

 4248 16:02:11.945314  # [   39.145132] RDX: 000000000000000b RSI: 00007f8d313c0000 RDI: 0000000000000001

 4249 16:02:11.955155  # [   39.153398] RBP: 00007f8d313c0000 R08: 00007f8d313bf010 R09: 0000000000000000

 4250 16:02:11.962061  # [   39.161665] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4251 16:02:11.971943  # [   39.169930] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4252 16:02:11.975200  # [   39.178201] irq event stamp: 0

 4253 16:02:11.981476  # [   39.181930] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 4254 16:02:11.991235  # [   39.189226] hardirqs last disabled at<6>[   44.133417] lkdtm: Performing direct entry EXEC_NULL

 4255 16:02:11.998112  <6>[   44.139726] lkdtm: attempting ok execution at ffffffffa0379800

 4256 16:02:12.004505   (0): [<ffffffff9f8fd844>] copy_process+0x664/0x1c60

 4257 16:02:12.010941  # [   39.1<6>[   44.146535] lkdtm: attempting bad execution at 0000000000000000

 4258 16:02:12.027900  98657] softirqs last  enabled at (0): [<ffffffff9f8fd844>] copy_<1>[   44.159657] BUG: kernel NULL pointer dereference, address: 0000000000000000

 4259 16:02:12.034232  <1>[   44.173932] #PF: supervisor instruction fetch in kernel mode

 4260 16:02:12.040796  <1>[   44.180542] #PF: error_code(0x0010) - not-present page

 4261 16:02:12.040880  <6>[   44.186569] PGD 0 P4D 0 

 4262 16:02:12.047204  <4>[   44.189685] Oops: 0010 [#11] SMP PTI

 4263 16:02:12.053690  <4>[   44.193965] CPU: 1 PID: 1759 Comm: cat Tainted: G      D W         5.10.181-cip34 #1

 4264 16:02:12.063500  <4>[   44.202906] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4265 16:02:12.066692  <4>[   44.210004] RIP: 0010:0x0

 4266 16:02:12.073240  <4>[   44.213216] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6.

 4267 16:02:12.079925  <4>[   44.221185] RSP: 0018:ffffac21c242fe48 EFLAGS: 00010246

 4268 16:02:12.086478  <4>[   44.227302] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000

 4269 16:02:12.097131  <4>[   44.235566] RDX: 0000000000000000 RSI: ffff9efd3ac9bf70 RDI: ffff9efd3ac9bf70

 4270 16:02:12.103467  <4>[   44.243820] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000

 4271 16:02:12.112943  <4>[   44.252083] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a

 4272 16:02:12.119236  <4>[   44.260337] R13: ffffac21c242ff10 R14: ffffac21c242ff10 R15: ffff9efcc2663000

 4273 16:02:12.130090  <4>[   44.268599] FS:  00007ff9792ca580(0000) GS:ffff9efd3ac80000(0000) knlGS:0000000000000000

 4274 16:02:12.135719  <4>[   44.277930] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4275 16:02:12.146137  <4>[   44.284637] CR2: ffffffffffffffd6 CR3: 0000000105fb6004 CR4: 00000000003706e0

 4276 16:02:12.149143  <4>[   44.292899] Call Trace:

 4277 16:02:12.149225  pr<ocess+0x664/0x1c60

 4278 16:02:12.159236  # [   39.208086] softirqs last disabled at4>[   44.295921]  ? __die_body.cold+0x1a/0x1f

 4279 16:02:12.162438  <4>[   44.306810]  ? no_context+0x177/0x380

 4280 16:02:12.165833   (0): [<0000000000000000>] 0x0

 4281 16:02:12.175505  # [   39.215381] ---[ end trace <4>[   44.311191]  ? exc_page_fault+0x53/0x170

 4282 16:02:12.178679  <4>[   44.322072]  ? asm_exc_page_fault+0x1e/0x30

 4283 16:02:12.181964  ffd54ce207130e7c ]---

 4284 16:02:12.188753  # [   39.220830] lkdtm: ok: SMEP did not <4>[   44.327038]  execute_location+0x45/0x56

 4285 16:02:12.195526  <4>[   44.337843]  direct_entry.cold+0x2c/0x38

 4286 16:02:12.198638  <4>[   44.342513]  full_proxy_write+0x53/0x80

 4287 16:02:12.204920  <4>[   44.347089]  vfs_write+0xe7/0x3b0

 4288 16:02:12.208597  <4>[   44.351080]  ksys_write+0x68/0xf0

 4289 16:02:12.211738  <4>[   44.355062]  do_syscall_64+0x30/0x40

 4290 16:02:12.218264  <4>[   44.359344]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 4291 16:02:12.221175  <4>[   44.365276] RIP: 0033:0x7ff9791e0473

 4292 16:02:12.244612  <4>[   44.369557] 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

 4293 16:02:12.250904  <4>[   44.390834] RSP: 002b:00007fffbd2078d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4294 16:02:12.260824  <4>[   44.399584] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007ff9791e0473

 4295 16:02:12.267157  <4>[   44.407846] RDX: 000000000000000a RSI: 00007ff9790d4000 RDI: 0000000000000001

 4296 16:02:12.277251  <4>[   44.416107] RBP: 00007ff9790d4000 R08: 00007ff9790d3010 R09: 0000000000000000

 4297 16:02:12.283802  <4>[   44.424369] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4298 16:02:12.293426  <4>[   44.432631] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4299 16:02:12.293509  get cleared

 4300 16:02:12.353250  # [   39.226181] lkdtm: trying to clear SMEP with c<4>[   44.440899] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 4301 16:02:12.356353  <4>[   44.499867] CR2: 0000000000000000

 4302 16:02:12.363115  <4>[   44.503856] ---[ end trace ffd54ce207130e83 ]---

 4303 16:02:12.366811  <4>[   44.509305] RIP: 0010:lkdtm_BUG+0x5/0x10

 4304 16:02:12.389504  <4>[   44.513975] Code: 89 ff e8 4e e7 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 57 e9 02

 4305 16:02:12.392733  <4>[   44.535243] RSP: 0018:ffffac21c131fe60 EFLAGS: 00010286

 4306 16:02:12.402791  <4>[   44.541368] RAX: ffffffffa0379430 RBX: 0000000000000001 RCX: 0000000000000000

 4307 16:02:12.409035  <4>[   44.549622] RDX: 0000000000000000 RSI: ffff9efd3ad9bf70 RDI: ffffffffa137e830

 4308 16:02:12.419033  <4>[   44.557885] RBP: ffffffffa185db78 R08: 0000000000000001 R09: 0000000000000001

 4309 16:02:12.425887  <4>[   44.566148] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4310 16:02:12.435172  <4>[   44.574410] R13: ffffac21c131ff10 R14: ffffac21c131ff10 R15: ffff9efcc43c9000

 4311 16:02:12.445223  <4>[   44.582695] FS:  00007ff9792ca580(0000) GS:ffff9efd3ac80000(0000) knlGS:0000000000000000

 4312 16:02:12.451951  <4>[   44.592026] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4313 16:02:12.458109  <4>[   44.598734] CR2: ffffffffffffffd6 CR3: 0000000105fb6004 CR4: 00000000003706e0

 4314 16:02:12.461706  all gadget

 4315 16:02:12.465379  # [   39.238622] lkdtm: ok: SMEP removal was reverted

 4316 16:02:12.471669  # UNSET_SMEP: saw 'pinned CR4 bits changed:': ok

 4317 16:02:12.475059  ok 14 selftests: lkdtm: UNSET_SMEP.sh

 4318 16:02:12.478324  # selftests: lkdtm: DOUBLE_FAULT.sh

 4319 16:02:12.484865  # [   39.339797] lkdtm: Performing direct entry DOUBLE_FAULT

 4320 16:02:12.488345  # [   39.349635] lkdtm: XFAIL: this test is ia32-only

 4321 16:02:12.491214  # DOUBLE_FAULT: saw 'XFAIL': [SKIP]

 4322 16:02:12.498103  ok 15 selftests: lkdtm: DOUBLE_FAULT.sh # SKIP

 4323 16:02:12.501387  # selftests: lkdtm: CORRUPT_PAC.sh

 4324 16:02:12.507917  # [   39.432565] lkdtm: Performing direct entry CORRUPT_PAC

 4325 16:02:12.511460  # [   39.441954] lkdtm: XFAIL: this test is arm64-only

 4326 16:02:12.514316  # CORRUPT_PAC: saw 'XFAIL': [SKIP]

 4327 16:02:12.520842  ok 16 selftests: lkdtm: CORRUPT_PAC.sh # SKIP

 4328 16:02:12.524375  # selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh

 4329 16:02:12.534671  # [   39.527837] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE

 4330 16:02:12.541185  # [   39.535793] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS

 4331 16:02:12.547526  # UNALIGNED_LOAD_STORE_WRITE: saw 'XFAIL': [SKIP]

 4332 16:02:12.550387  ok 17 selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh # SKIP

 4333 16:02:12.557247  # selftests: lkdtm: OVERWRITE_ALLOCATION.sh

 4334 16:02:12.560948  # Skipping OVERWRITE_ALLOCATION: Corrupts memory on failure

 4335 16:02:12.567178  ok 18 selftests: lkdtm: OVERWRITE_ALLOCATION.sh # SKIP

 4336 16:02:12.577023  # selftests: lkdtm: WRITE_AFTER_FREE.sh<6>[   44.714225] lkdtm: Performing direct entry ACCESS_USERSPACE

 4337 16:02:12.577107  

 4338 16:02:12.583405  # Skipping WRITE_AFTER_FREE: Corrupts memory on failure

 4339 16:02:12.589916  ok 19<6>[   44.725462] lkdtm: attempting bad read at 00007f44695fe000

 4340 16:02:12.593684   selftests: lkdtm: WRITE_AFTER_FREE.sh # SKIP

 4341 16:02:12.603352  # selftests: lkdt<1>[   44.738078] BUG: unable to handle page fault for address: 00007f44695fe000

 4342 16:02:12.610219  <1>[   44.752233] #PF: supervisor read access in kernel mode

 4343 16:02:12.616186  <1>[   44.758250] #PF: error_code(0x0001) - permissions violation

 4344 16:02:12.625884  <6>[   44.764763] PGD 8000000105b5f067 P4D 8000000105b5f067 PUD 105dbf067 PMD 1034b6067 PTE 108de4067

 4345 16:02:12.632460  <4>[   44.774783] Oops: 0001 [#12] SMP PTI

 4346 16:02:12.639300  <4>[   44.779064] CPU: 0 PID: 1794 Comm: cat Tainted: G      D W         5.10.181-cip34 #1

 4347 16:02:12.649125  <4>[   44.788005] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4348 16:02:12.655572  <4>[   44.795105] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3

 4349 16:02:12.675225  <4>[   44.801623] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 a8 a5 7f a1 e8 ef d7 fb ff 48 c7 c7 d0 a5 7f a1 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 d6 d7 fb ff 48 89 ee 48 c7 c7 f8 a5 7f

 4350 16:02:12.682132  <4>[   44.822885] RSP: 0018:ffffac21c24efe48 EFLAGS: 00010246

 4351 16:02:12.688498  <4>[   44.829010] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000

 4352 16:02:12.698319  <4>[   44.837271] RDX: 0000000000000000 RSI: ffff9efd3ac1bf70 RDI: ffffffffa17fa5d0

 4353 16:02:12.705029  <4>[   44.845531] RBP: 00007f44695fe000 R08: 0000000000000000 R09: 0000000000000000

 4354 16:02:12.714803  <4>[   44.853792] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011

 4355 16:02:12.721290  <4>[   44.862051] R13: ffffac21c24eff10 R14: ffffac21c24eff10 R15: ffff9efcc3c72000

 4356 16:02:12.731035  <4>[   44.870312] FS:  00007f44695cf580(0000) GS:ffff9efd3ac00000(0000) knlGS:0000000000000000

 4357 16:02:12.737661  <4>[   44.879641] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4358 16:02:12.747545  <4>[   44.886347] CR2: 00007f44695fe000 CR3: 0000000102664001 CR4: 00000000003706f0

 4359 16:02:12.750792  <4>[   44.894608] Call Trace:

 4360 16:02:12.754269  <4>[   44.897627]  ? __die_body.cold+0x1a/0x1f

 4361 16:02:12.760455  <4>[   44.902303]  ? no_context+0x177/0x380

 4362 16:02:12.763759  <4>[   44.906687]  ? exc_page_fault+0x53/0x170

 4363 16:02:12.766928  <4>[   44.911362]  ? asm_exc_page_fault+0x1e/0x30

 4364 16:02:12.774008  <4>[   44.916326]  ? lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3

 4365 16:02:12.780388  <4>[   44.922167]  ? lkdtm_ACCESS_USERSPACE.cold+0x35/0xa3

 4366 16:02:12.783295  <4>[   44.928002]  direct_entry.cold+0x2c/0x38

 4367 16:02:12.790439  <4>[   44.932673]  full_proxy_write+0x53/0x80

 4368 16:02:12.793244  <4>[   44.937250]  vfs_write+0xe7/0x3b0

 4369 16:02:12.796491  <4>[   44.941246]  ksys_write+0x68/0xf0

 4370 16:02:12.803665  <4>[   44.945234]  do_syscall_64+0x30/0x40

 4371 16:02:12.806678  <4>[   44.949514]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 4372 16:02:12.813030  <4>[   44.955437] RIP: 0033:0x7f44694e5473

 4373 16:02:12.833016  <4>[   44.959718] 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

 4374 16:02:12.842490  <4>[   44.980993] RSP: 002b:00007ffd7c01f618 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4375 16:02:12.849387  <4>[   44.989741] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f44694e5473

 4376 16:02:12.858967  <4>[   44.998002] RDX: 0000000000000011 RSI: 00007f44693d9000 RDI: 0000000000000001

 4377 16:02:12.865487  <4>[   45.006263] RBP: 00007f44693d9000 R08: 00007f44693d8010 R09: 0000000000000000

 4378 16:02:12.875753  <4>[   45.014525] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4379 16:02:12.882097  <4>[   45.022787] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4380 16:02:12.935134  <4>[   45.031042] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 4381 16:02:12.941206  <4>[   45.083812] CR2: 00007f44695fe000

 4382 16:02:12.944487  <4>[   45.087801] ---[ end trace ffd54ce207130e84 ]---

 4383 16:02:12.951164  <4>[   45.093238] RIP: 0010:lkdtm_BUG+0x5/0x10

 4384 16:02:12.971220  <4>[   45.097913] Code: 89 ff e8 4e e7 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 57 e9 02

 4385 16:02:12.977812  <4>[   45.119184] RSP: 0018:ffffac21c131fe60 EFLAGS: 00010286

 4386 16:02:12.987449  <4>[   45.125309] RAX: ffffffffa0379430 RBX: 0000000000000001 RCX: 0000000000000000

 4387 16:02:12.994191  <4>[   45.133559] RDX: 0000000000000000 RSI: ffff9efd3ad9bf70 RDI: ffffffffa137e830

 4388 16:02:13.003913  <4>[   45.141818] RBP: ffffffffa185db78 R08: 0000000000000001 R09: 0000000000000001

 4389 16:02:13.010279  <4>[   45.150079] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4390 16:02:13.020666  <4>[   45.158340] R13: ffffac21c131ff10 R14: ffffac21c131ff10 R15: ffff9efcc43c9000

 4391 16:02:13.026819  <4>[   45.166599] FS:  00007f44695cf580(0000) GS:ffff9efd3ac00000(0000) knlGS:0000000000000000

 4392 16:02:13.033789  <4>[   45.175927] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4393 16:02:13.043278  <4>[   45.182625] CR2: 00007f44695fe000 CR3: 0000000102664001 CR4: 00000000003706f0

 4394 16:02:13.053486  <3>[   45.190884] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 4395 16:02:13.063310  <3>[   45.201086] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1794, name: cat

 4396 16:02:13.066552  <4>[   45.209822] INFO: lockdep is turned off.

 4397 16:02:13.069905  <4>[   45.214489] irq event stamp: 0

 4398 16:02:13.076370  <4>[   45.218185] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 4399 16:02:13.086256  <4>[   45.225475] hardirqs last disabled at (0): [<ffffffff9f8fd844>] copy_process+0x664/0x1c60

 4400 16:02:13.096019  <4>[   45.234891] softirqs last  enabled at (0): [<ffffffff9f8fd844>] copy_process+0x664/0x1c60

 4401 16:02:13.102922  <4>[   45.244317] softirqs last disabled at (0): [<0000000000000000>] 0x0

 4402 16:02:13.112620  <4>[   45.251597] CPU: 0 PID: 1794 Comm: cat Tainted: G      D W         5.10.181-cip34 #1

 4403 16:02:13.119391  <4>[   45.260535] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4404 16:02:13.122531  <4>[   45.267629] Call Trace:

 4405 16:02:13.125834  <4>[   45.270649]  dump_stack+0x77/0x9b

 4406 16:02:13.132284  <4>[   45.274642]  ___might_sleep.cold+0xa6/0xb6

 4407 16:02:13.135470  <4>[   45.279497]  exit_signals+0x1c/0x300

 4408 16:02:13.138795  <4>[   45.283783]  do_exit+0xc2/0xab0

 4409 16:02:13.145272  <4>[   45.287577]  ? ksys_write+0x68/0xf0

 4410 16:02:13.148691  <4>[   45.291760]  make_task_dead+0x2f/0x30

 4411 16:02:13.154937  <4>[   45.296135]  rewind_stack_and_make_dead+0x17/0x20

 4412 16:02:13.158553  <4>[   45.301676] RIP: 0033:0x7f44694e5473

 4413 16:02:13.178321  <4>[   45.305955] 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

 4414 16:02:13.187965  <4>[   45.327217] RSP: 002b:00007ffd7c01f618 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4415 16:02:13.198261  <4>[   45.335964] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f44694e5473

 4416 16:02:13.204693  <4>[   45.344214] RDX: 0000000000000011 RSI: 00007f44693d9000 RDI: 0000000000000001

 4417 16:02:13.214478  <4>[   45.352463] RBP: 00007f44693d9000 R08: 00007f44693d8010 R09: 0000000000000000

 4418 16:02:13.221391  <4>[   45.360722] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4419 16:02:13.230747  <4>[   45.368979] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4420 16:02:13.230827  m: READ_AFTER_FREE.sh

 4421 16:02:13.237838  # [   39.686023] lkdtm: Performing direct entry READ_AFTER_FREE

 4422 16:02:13.243924  # [   39.693061] lkdtm: Value in memory before free: 12345678

 4423 16:02:13.250665  # [   39.705517] lkdtm: Attempting bad read from freed memory

 4424 16:02:13.253935  # [   39.717942] lkdtm: Memory was not poisoned

 4425 16:02:13.260769  # READ_AFTER_FREE: missing 'call trace:': [FAIL]

 4426 16:02:13.263952  not ok 20 selftests: lkdtm: READ_AFTER_FREE.sh # exit=1

 4427 16:02:13.270795  # selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh

 4428 16:02:13.277139  # Skipping WRITE_BUDDY_AFTER_FREE: Corrupts memory on failure

 4429 16:02:13.280518  ok 21 selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # SKIP

 4430 16:02:13.287686  # selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh

 4431 16:02:13.293632  # [   39.829731] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE

 4432 16:02:13.300411  # [   39.841727] lkdtm: Value in memory before free: 12345678

 4433 16:02:13.306728  # [   39.854171] lkdtm: Attempting to read from freed memory

 4434 16:02:13.310298  # [   39.866540] lkdtm: Buddy page was not poisoned

 4435 16:02:13.316763  # READ_BUDDY_AFTER_FREE: missing 'call trace:': [FAIL]

 4436 16:02:13.323448  not ok 22 selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh # exit=1

 4437 16:02:13.326748  # selftests: lkdtm: SLAB_FREE_DOUBLE.sh

 4438 16:02:13.333091  # [   39.953015] lkdtm: Performing direct entry SLAB_FREE_DOUBLE

 4439 16:02:13.339434  # [   39.965274] lkdtm: Attempting double slab free ...

 4440 16:02:13.342894  # SLAB_FREE_DOUBLE: missing 'call trace:': [FAIL]

 4441 16:02:13.349917  not ok 23 selftests: lkdtm: SLAB_FREE_DOUBLE.sh # exit=1

 4442 16:02:13.352685  # selftests: lkdtm: SLAB_FREE_CROSS.sh

 4443 16:02:13.359684  # [   40.041717] lkdtm: Performing direct entry SLAB_FREE_CROSS

 4444 16:02:13.366082  # [   40.051996] lkdtm: Attempting cross-cache slab free ...

 4445 16:02:13.368914  # SLAB_FREE_CROSS: missing 'call trace:': [FAIL]

 4446 16:02:13.375745  not ok 24 selftests: lkdtm: SLAB_FREE_CROSS.sh # exit=1

 4447 16:02:13.379016  # selftests: lkdtm: SLAB_FREE_PAGE.sh

 4448 16:02:13.385454  # [   40.134903] lkdtm: Performing direct entry SLAB_FREE_PAGE

 4449 16:02:13.392090  # [   40.145233] lkdtm: Attempting non-Slab slab free ...

 4450 16:02:13.395711  # SLAB_FREE_PAGE: missing 'call trace:': [FAIL]

 4451 16:02:13.402436  not ok 25 selftests: lkdtm: SLAB_FREE_PAGE.sh # exit=1

 4452 16:02:13.405791  # selftests: lkdtm: SOFTLOCKUP.sh

 4453 16:02:13.408612  # Skipping SOFTLOCKUP: Hangs the system

 4454 16:02:13.412156  ok 26 selftests: lkdtm: SOFTLOCKUP.sh # SKIP

 4455 16:02:13.415441  # selftests: lkdtm: HARDLOCKUP.sh

 4456 16:02:13.422260  # Skipping HARDLOCKUP: Hangs the system

 4457 16:02:13.425135  ok 27 selftests: lkdtm: HARDLOCKUP.sh # SKIP

 4458 16:02:13.428881  # selftests: lkdtm: SPINLOCKUP.sh

 4459 16:02:13.431716  # Skipping SPINLOCKUP: Hangs the system

 4460 16:02:13.434802  ok 28 selftests: lkdtm: SPINLOCKUP.sh # SKIP

 4461 16:02:13.438525  # selftests: lkdtm: HUNG_TASK.sh

 4462 16:02:13.447943  # Skipping<6>[   45.587652] lkdtm: Performing direct entry ACCESS_NULL

 4463 16:02:13.451405   HUNG_TASK: Hangs the system

 4464 16:02:13.457843  ok 29 selftests: lkdtm: HUNG_TASK.<6>[   45.594622] lkdtm: attempting bad read at 0000000000000000

 4465 16:02:13.461386  sh # SKIP

 4466 16:02:13.464590  # selftests: lkdtm: EXEC_DATA.sh

 4467 16:02:13.464677  # Killed

 4468 16:02:13.474697  # [   40.<1>[   45.607255] BUG: kernel NULL pointer dereference, address: 0000000000000000

 4469 16:02:13.481286  <1>[   45.621513] #PF: supervisor read access in kernel mode

 4470 16:02:13.484506  <1>[   45.627531] #PF: error_code(0x0000) - not-present page

 4471 16:02:13.487518  <6>[   45.633555] PGD 0 P4D 0 

 4472 16:02:13.494166  <4>[   45.636662] Oops: 0000 [#13] SMP PTI

 4473 16:02:13.500799  <4>[   45.640933] CPU: 0 PID: 1829 Comm: cat Tainted: G      D W         5.10.181-cip34 #1

 4474 16:02:13.510586  <4>[   45.649862] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4475 16:02:13.514241  <4>[   45.656959] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53

 4476 16:02:13.537519  <4>[   45.662496] Code: 93 d7 fb ff be 00 10 00 00 48 89 ef e8 35 65 0f ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 a8 a5 7f a1 e8 6d d7 fb ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 d0 a5 7f a1 48 01

 4477 16:02:13.543811  <4>[   45.683756] RSP: 0018:ffffac21c254fe58 EFLAGS: 00010246

 4478 16:02:13.550327  <4>[   45.689878] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000

 4479 16:02:13.560309  <4>[   45.698137] RDX: 0000000000000000 RSI: ffff9efd3ac1bf70 RDI: ffff9efd3ac1bf70

 4480 16:02:13.567530  <4>[   45.706396] RBP: ffffffffa17f9699 R08: 0000000000000000 R09: 0000000000000000

 4481 16:02:13.576967  <4>[   45.714655] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c

 4482 16:02:13.583369  <4>[   45.722904] R13: ffffac21c254ff10 R14: ffffac21c254ff10 R15: ffff9efcc30ad000

 4483 16:02:13.593271  <4>[   45.731164] FS:  00007f3b188b7580(0000) GS:ffff9efd3ac00000(0000) knlGS:0000000000000000

 4484 16:02:13.600027  <4>[   45.740482] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4485 16:02:13.606365  <4>[   45.747187] CR2: 0000000000000000 CR3: 0000000106c0c001 CR4: 00000000003706f0

 4486 16:02:13.609899  <4>[   45.755448] Call Trace:

 4487 16:02:13.616550  <4>[   45.758469]  ? __die_body.cold+0x1a/0x1f

 4488 16:02:13.619870  <4>[   45.763135]  ? no_context+0x177/0x380

 4489 16:02:13.623203  <4>[   45.767521]  ? exc_page_fault+0x53/0x170

 4490 16:02:13.629609  <4>[   45.772186]  ? asm_exc_page_fault+0x1e/0x30

 4491 16:02:13.633063  <4>[   45.777149]  ? lkdtm_ACCESS_NULL+0x14/0x53

 4492 16:02:13.639442  <4>[   45.782015]  ? lkdtm_ACCESS_NULL+0x14/0x53

 4493 16:02:13.642672  <4>[   45.786876]  direct_entry.cold+0x2c/0x38

 4494 16:02:13.649116  <4>[   45.791546]  full_proxy_write+0x53/0x80

 4495 16:02:13.652322  <4>[   45.796125]  vfs_write+0xe7/0x3b0

 4496 16:02:13.655567  <4>[   45.800114]  ksys_write+0x68/0xf0

 4497 16:02:13.659277  <4>[   45.804102]  do_syscall_64+0x30/0x40

 4498 16:02:13.665763  <4>[   45.808372]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 4499 16:02:13.672078  <4>[   45.814301] RIP: 0033:0x7f3b187cd473

 4500 16:02:13.691968  <4>[   45.818581] 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

 4501 16:02:13.701704  <4>[   45.839853] RSP: 002b:00007ffc56be5588 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4502 16:02:13.708471  <4>[   45.848598] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f3b187cd473

 4503 16:02:13.718165  <4>[   45.856857] RDX: 000000000000000c RSI: 00007f3b186c1000 RDI: 0000000000000001

 4504 16:02:13.724928  <4>[   45.865117] RBP: 00007f3b186c1000 R08: 00007f3b186c0010 R09: 0000000000000000

 4505 16:02:13.734689  <4>[   45.873377] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4506 16:02:13.741494  <4>[   45.881637] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4507 16:02:13.793782  <4>[   45.889899] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 4508 16:02:13.801027  <4>[   45.942667] CR2: 0000000000000000

 4509 16:02:13.803823  <4>[   45.946656] ---[ end trace ffd54ce207130e85 ]---

 4510 16:02:13.810770  <4>[   45.952102] RIP: 0010:lkdtm_BUG+0x5/0x10

 4511 16:02:13.830610  <4>[   45.956774] Code: 89 ff e8 4e e7 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 57 e9 02

 4512 16:02:13.836983  <4>[   45.978048] RSP: 0018:ffffac21c131fe60 EFLAGS: 00010286

 4513 16:02:13.843475  <4>[   45.984172] RAX: ffffffffa0379430 RBX: 0000000000000001 RCX: 0000000000000000

 4514 16:02:13.853453  <4>[   45.992431] RDX: 0000000000000000 RSI: ffff9efd3ad9bf70 RDI: ffffffffa137e830

 4515 16:02:13.860041  <4>[   46.000691] RBP: ffffffffa185db78 R08: 0000000000000001 R09: 0000000000000001

 4516 16:02:13.869753  <4>[   46.008950] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4517 16:02:13.876259  <4>[   46.017209] R13: ffffac21c131ff10 R14: ffffac21c131ff10 R15: ffff9efcc43c9000

 4518 16:02:13.886202  <4>[   46.025468] FS:  00007f3b188b7580(0000) GS:ffff9efd3ac00000(0000) knlGS:0000000000000000

 4519 16:02:13.892854  <4>[   46.034796] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4520 16:02:13.902752  <4>[   46.041502] CR2: 0000000000000000 CR3: 0000000106c0c001 CR4: 00000000003706f0

 4521 16:02:13.905823  343608] lkdtm: Performing direct entry EXEC_DATA

 4522 16:02:13.912893  # [   40.349577] lkdtm: attempting ok execution at ffffffffa0379800

 4523 16:02:13.919233  # [   40.356434] lkdtm: attempting bad execution at ffffffffa320ebe0

 4524 16:02:13.928841  # [   40.363352] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)

 4525 16:02:13.935461  # [   40.378209] BUG: unable to handle page fault for address: ffffffffa320ebe0

 4526 16:02:13.942446  # [   40.386179] #PF: supervisor instruction fetch in kernel mode

 4527 16:02:13.948574  # [   40.392789] #PF: error_code(0x0011) - permissions violation

 4528 16:02:13.958509  # [   40.399303] PGD 20629067 P4D 20629067 PUD 2062a063 PMD 8000000021e000e3 

 4529 16:02:13.961920  # [   40.407083] Oops: 0011 [#5] SMP PTI

 4530 16:02:13.971975  # [   40.411265] CPU: 3 PID: 1543 Comm: cat Tainted: G      D W         5.10.181-cip34 #1

 4531 16:02:13.978414  # [   40.420206] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4532 16:02:13.981785  # [   40.427305] RIP: 0010:data_area+0x0/0x40

 4533 16:02:14.004409  # [   40.431973] Code: ff ff 00 d2 e7 c4 fc 9e ff ff 00 d1 e7 c4 fc 9e ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55

 4534 16:02:14.007867  # [   40.453250] RSP: 0018:ffffac21c20d7e48 EFLAGS: 00010246

 4535 16:02:14.021458  # [   40.459375] RAX: 0000000000000033 RBX: 000000<6>[   46.156429] lkdtm: Performing direct entry WRITE_RO

 4536 16:02:14.027184  <6>[   46.167390] lkdtm: attempting bad rodata write at ffffffffa137ecb0

 4537 16:02:14.033756  <1>[   46.174601] BUG: unable to handle page fault for address: ffffffffa137ecb0

 4538 16:02:14.040607  <1>[   46.182582] #PF: supervisor write access in kernel mode

 4539 16:02:14.043691  0000000001 RCX: 0000000000000000

 4540 16:02:14.053802  # [   40.467637] RDX: 00000000<1>[   46.188711] #PF: error_code(0x0003) - permissions violation

 4541 16:02:14.060200  <6>[   46.201439] PGD 20629067 P4D 20629067 PUD 2062a063 PMD 800000001fe000e1 

 4542 16:02:14.066711  00000000 RSI: ffff9efd3ad9bf70 RDI: ffff9efd3ad9bf70

 4543 16:02:14.073357  # [   40.4<4>[   46.209220] Oops: 0003 [#14] SMP PTI

 4544 16:02:14.079740  <4>[   46.219732] CPU: 2 PID: 1864 Comm: cat Tainted: G      D W         5.10.181-cip34 #1

 4545 16:02:14.090008  <4>[   46.228676] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4546 16:02:14.093287  <4>[   46.235776] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a

 4547 16:02:14.116032  <4>[   46.241029] Code: 00 48 c7 c7 88 a4 7f a1 48 c7 c6 b0 ec 37 a1 e8 17 da fb ff 48 8b 05 2f 06 97 00 ba 34 12 cd ab 48 c7 c7 b8 a4 7f a1 48 31 d0 <48> 89 05 19 06 97 00 e9 f5 d9 fb ff 0f 1f 44 00 00 48 8b 05 88 fc

 4548 16:02:14.119392  <4>[   46.262298] RSP: 0018:ffffac21c25efe60 EFLAGS: 00010202

 4549 16:02:14.129239  <4>[   46.268440] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000

 4550 16:02:14.135866  <4>[   46.276701] RDX: 00000000abcd1234 RSI: ffff9efd3ad1bf70 RDI: ffffffffa17fa4b8

 4551 16:02:14.145495  <4>[   46.284961] RBP: ffffffffa17f96a5 R08: 0000000000000000 R09: 0000000000000000

 4552 16:02:14.155241  <4>[   46.293221] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009

 4553 16:02:14.162043  <4>[   46.301493] R13: ffffac21c25eff10 R14: ffffac21c25eff10 R15: ffff9efcc5f93000

 4554 16:02:14.171620  <4>[   46.309754] FS:  00007f263c84f580(0000) GS:ffff9efd3ad00000(0000) knlGS:0000000000000000

 4555 16:02:14.178817  <4>[   46.319084] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4556 16:02:14.184848  <4>[   46.325792] CR2: ffffffffa137ecb0 CR3: 0000000106dec002 CR4: 00000000003706e0

 4557 16:02:14.188089  <4>[   46.334055] Call Trace:

 4558 16:02:14.194630  <4>[   46.337076]  ? __die_body.cold+0x1a/0x1f

 4559 16:02:14.198499  <4>[   46.341747]  ? no_context+0x177/0x380

 4560 16:02:14.204463  <4>[   46.346127]  ? exc_page_fault+0xd7/0x170

 4561 16:02:14.207959  <4>[   46.350798]  ? asm_exc_page_fault+0x1e/0x30

 4562 16:02:14.211354  <4>[   46.355762]  ? lkdtm_WRITE_RO+0x2e/0x3a

 4563 16:02:14.217951  <4>[   46.360334]  direct_entry.cold+0x2c/0x38

 4564 16:02:14.221271  <4>[   46.364997]  full_proxy_write+0x53/0x80

 4565 16:02:14.224188  <4>[   46.369570]  vfs_write+0xe7/0x3b0

 4566 16:02:14.231450  <4>[   46.373558]  ksys_write+0x68/0xf0

 4567 16:02:14.234020  <4>[   46.377548]  do_syscall_64+0x30/0x40

 4568 16:02:14.240772  <4>[   46.381829]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 4569 16:02:14.244192  <4>[   46.387753] RIP: 0033:0x7f263c765473

 4570 16:02:14.267146  <4>[   46.392033] 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

 4571 16:02:14.273947  <4>[   46.413308] RSP: 002b:00007ffca1b59408 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4572 16:02:14.283773  <4>[   46.422048] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f263c765473

 4573 16:02:14.290247  <4>[   46.430308] RDX: 0000000000000009 RSI: 00007f263c659000 RDI: 0000000000000001

 4574 16:02:14.299888  <4>[   46.438570] RBP: 00007f263c659000 R08: 00007f263c658010 R09: 0000000000000000

 4575 16:02:14.306779  <4>[   46.446832] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4576 16:02:14.316753  <4>[   46.455092] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4577 16:02:14.375618  75899] RBP: ffffffffa320ebe0 R08: 0000000000000000 R09: 00000000<4>[   46.463357] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 4578 16:02:14.378859  <4>[   46.522354] CR2: ffffffffa137ecb0

 4579 16:02:14.385879  <4>[   46.526342] ---[ end trace ffd54ce207130e86 ]---

 4580 16:02:14.389026  <4>[   46.531789] RIP: 0010:lkdtm_BUG+0x5/0x10

 4581 16:02:14.408525  <4>[   46.536457] Code: 89 ff e8 4e e7 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 57 e9 02

 4582 16:02:14.415199  <4>[   46.557734] RSP: 0018:ffffac21c131fe60 EFLAGS: 00010286

 4583 16:02:14.425458  <4>[   46.563850] RAX: ffffffffa0379430 RBX: 0000000000000001 RCX: 0000000000000000

 4584 16:02:14.431701  <4>[   46.572110] RDX: 0000000000000000 RSI: ffff9efd3ad9bf70 RDI: ffffffffa137e830

 4585 16:02:14.441738  <4>[   46.580372] RBP: ffffffffa185db78 R08: 0000000000000001 R09: 0000000000000001

 4586 16:02:14.448076  <4>[   46.588632] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4587 16:02:14.457885  <4>[   46.596893] R13: ffffac21c131ff10 R14: ffffac21c131ff10 R15: ffff9efcc43c9000

 4588 16:02:14.467696  <4>[   46.605154] FS:  00007f263c84f580(0000) GS:ffff9efd3ad00000(0000) knlGS:0000000000000000

 4589 16:02:14.474238  <4>[   46.614496] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4590 16:02:14.480901  <4>[   46.621202] CR2: ffffffffa137ecb0 CR3: 0000000106dec002 CR4: 00000000003706e0

 4591 16:02:14.491071  <3>[   46.629464] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 4592 16:02:14.500625  <3>[   46.639687] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1864, name: cat

 4593 16:02:14.503855  <4>[   46.648440] INFO: lockdep is turned off.

 4594 16:02:14.510920  <4>[   46.653107] irq event stamp: 0

 4595 16:02:14.516924  <4>[   46.656803] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 4596 16:02:14.526846  <4>[   46.664094] hardirqs last disabled at (0): [<ffffffff9f8fd844>] copy_process+0x664/0x1c60

 4597 16:02:14.537014  <4>[   46.673522] softirqs last  enabled at (0): [<ffffffff9f8fd844>] copy_process+0x664/0x1c60

 4598 16:02:14.543456  <4>[   46.682947] softirqs last disabled at (0): [<0000000000000000>] 0x0

 4599 16:02:14.549935  <4>[   46.690237] CPU: 2 PID: 1864 Comm: cat Tainted: G      D W         5.10.181-cip34 #1

 4600 16:02:14.559819  <4>[   46.699177] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4601 16:02:14.563054  <4>[   46.706272] Call Trace:

 4602 16:02:14.566269  <4>[   46.709292]  dump_stack+0x77/0x9b

 4603 16:02:14.569584  <4>[   46.713282]  ___might_sleep.cold+0xa6/0xb6

 4604 16:02:14.576305  <4>[   46.718147]  exit_signals+0x1c/0x300

 4605 16:02:14.579800  <4>[   46.722441]  do_exit+0xc2/0xab0

 4606 16:02:14.582767  <4>[   46.726238]  ? ksys_write+0x68/0xf0

 4607 16:02:14.586260  <4>[   46.730440]  make_task_dead+0x2f/0x30

 4608 16:02:14.589446  00000000

 4609 16:02:14.599239  # [   40.484161] R10: 00000000ffffe000 R11: 3fffffffff<4>[   46.734819]  rewind_stack_and_make_dead+0x17/0x20

 4610 16:02:14.602750  <4>[   46.746572] RIP: 0033:0x7f263c765473

 4611 16:02:14.625615  <4>[   46.750851] 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

 4612 16:02:14.632556  <4>[   46.772126] RSP: 002b:00007ffca1b59408 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4613 16:02:14.642053  <4>[   46.780865] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f263c765473

 4614 16:02:14.648644  <4>[   46.789125] RDX: 0000000000000009 RSI: 00007f263c659000 RDI: 0000000000000001

 4615 16:02:14.658563  <4>[   46.797387] RBP: 00007f263c659000 R08: 00007f263c658010 R09: 0000000000000000

 4616 16:02:14.665259  <4>[   46.805647] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4617 16:02:14.674984  <4>[   46.813908] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4618 16:02:14.678372  ffffff R12: 000000000000000a

 4619 16:02:14.684832  # [   40.492440] R13: ffffac21c20d7f10 R14: ffffac21c20d7f10 R15: ffff9efcc5ae2000

 4620 16:02:14.694672  # [   40.500701] FS:  00007fcba2cc3580(0000) GS:ffff9efd3ad80000(0000) knlGS:0000000000000000

 4621 16:02:14.701380  # [   40.510031] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4622 16:02:14.711541  # [   40.516739] CR2: ffffffffa320ebe0 CR3: 0000000103cb4002 CR4: 00000000003706e0

 4623 16:02:14.711626  # [   40.524999] Call Trace:

 4624 16:02:14.717827  # [   40.528020]  ? __die_body.cold+0x1a/0x1f

 4625 16:02:14.720875  # [   40.532691]  ? no_context+0x177/0x380

 4626 16:02:14.724184  # [   40.537072]  ? exc_page_fault+0xd7/0x170

 4627 16:02:14.730820  # [   40.541741]  ? asm_exc_page_fault+0x1e/0x30

 4628 16:02:14.734051  # [   40.546705]  ? execute_location+0x45/0x56

 4629 16:02:14.740923  # [   40.551471]  ? direct_entry.cold+0x2c/0x38

 4630 16:02:14.744196  # [   40.556337]  ? full_proxy_write+0x53/0x80

 4631 16:02:14.747201  # [   40.561104]  ? vfs_write+0xe7/0x3b0

 4632 16:02:14.754064  # [   40.565278]  ? ksys_write+0x68/0xf0

 4633 16:02:14.757829  # [   40.569462]  ? do_syscall_64+0x30/0x40

 4634 16:02:14.763921  # [   40.573936]  ? entry_SYSCALL_64_after_hwframe+0x61/0xc6

 4635 16:02:14.817147  # [   40.580064] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 4636 16:02:14.820120  # [   40.632858] CR2: ffffffffa320ebe0

 4637 16:02:14.826863  # [   40.643058] ---[ end trace ffd54ce207130e7d ]---

 4638 16:02:14.829815  # [   40.648505] RIP: 0010:lkdtm_BUG+0x5/0x10

 4639 16:02:14.843232  # [   40.653173] Code: 89 ff e8 4e e7 79 ff 48 c7 c0 ea ff ff ff <6>[   46.979538] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT

 4640 16:02:14.856165  eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff e<6>[   46.990618] lkdtm: attempting bad ro_after_init write at ffffffffa187e330

 4641 16:02:14.872533  b c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 <1>[   47.004748] BUG: unable to handle page fault for address: ffffffffa187e330

 4642 16:02:14.876012  <1>[   47.018887] #PF: supervisor write access in kernel mode

 4643 16:02:14.882312  <1>[   47.025004] #PF: error_code(0x0003) - permissions violation

 4644 16:02:14.892305  <6>[   47.031516] PGD 20629067 P4D 20629067 PUD 2062a063 PMD 105231063 PTE 800000002047e061

 4645 16:02:14.895622  <4>[   47.040563] Oops: 0003 [#15] SMP PTI

 4646 16:02:14.905803  <4>[   47.044844] CPU: 0 PID: 1899 Comm: cat Tainted: G      D W         5.10.181-cip34 #1

 4647 16:02:14.912179  <4>[   47.053785] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4648 16:02:14.918518  <4>[   47.060886] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a

 4649 16:02:14.941739  <4>[   47.067203] Code: a4 7f a1 e9 c9 d9 fb ff 48 c7 c7 10 a5 7f a1 e8 bd d9 fb ff 48 8b 05 55 fc e6 00 ba 34 12 cd ab 48 c7 c7 b8 a4 7f a1 48 31 d0 <48> 89 05 3f fc e6 00 e9 9b d9 fb ff 0f 1f 44 00 00 41 54 48 c7 c7

 4650 16:02:14.948046  <4>[   47.088489] RSP: 0018:ffffac21c267fe60 EFLAGS: 00010202

 4651 16:02:14.954692  <4>[   47.094615] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000

 4652 16:02:14.964844  <4>[   47.102876] RDX: 00000000abcd1234 RSI: ffff9efd3ac1bf70 RDI: ffffffffa17fa4b8

 4653 16:02:14.971274  <4>[   47.111138] RBP: ffffffffa17f96ae R08: 0000000000000000 R09: 0000000000000000

 4654 16:02:14.981056  <4>[   47.119398] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014

 4655 16:02:14.987751  <4>[   47.127659] R13: ffffac21c267ff10 R14: ffffac21c267ff10 R15: ffff9efcc5f71000

 4656 16:02:14.997677  <4>[   47.135921] FS:  00007f8dd035b580(0000) GS:ffff9efd3ac00000(0000) knlGS:0000000000000000

 4657 16:02:15.004009  <4>[   47.145250] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4658 16:02:15.013922  <4>[   47.151957] CR2: ffffffffa187e330 CR3: 0000000103b92004 CR4: 00000000003706f0

 4659 16:02:15.014006  <4>[   47.160219] Call Trace:

 4660 16:02:15.020405  <4>[   47.163239]  ? __die_body.cold+0x1a/0x1f

 4661 16:02:15.023653  <4>[   47.167914]  ? no_context+0x177/0x380

 4662 16:02:15.030483  <4>[   47.172301]  ? exc_page_fault+0xd7/0x170

 4663 16:02:15.033614  <4>[   47.176978]  ? asm_exc_page_fault+0x1e/0x30

 4664 16:02:15.040311  <4>[   47.181941]  ? lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a

 4665 16:02:15.043507  <4>[   47.187587]  direct_entry.cold+0x2c/0x38

 4666 16:02:15.050040  <4>[   47.192257]  full_proxy_write+0x53/0x80

 4667 16:02:15.053266  <4>[   47.196837]  vfs_write+0xe7/0x3b0

 4668 16:02:15.056930  <4>[   47.200827]  ksys_write+0x68/0xf0

 4669 16:02:15.059848  <4>[   47.204817]  do_syscall_64+0x30/0x40

 4670 16:02:15.066709  <4>[   47.209088]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 4671 16:02:15.073373  <4>[   47.215011] RIP: 0033:0x7f8dd0271473

 4672 16:02:15.092858  <4>[   47.219281] 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

 4673 16:02:15.102845  <4>[   47.240558] RSP: 002b:00007ffecf6b62d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4674 16:02:15.109371  <4>[   47.249305] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f8dd0271473

 4675 16:02:15.119667  <4>[   47.257565] RDX: 0000000000000014 RSI: 00007f8dd0165000 RDI: 0000000000000001

 4676 16:02:15.125737  <4>[   47.265827] RBP: 00007f8dd0165000 R08: 00007f8dd0164010 R09: 0000000000000000

 4677 16:02:15.135506  <4>[   47.274090] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4678 16:02:15.142135  <4>[   47.282352] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4679 16:02:15.194611  <4>[   47.290617] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 4680 16:02:15.198312  <4>[   47.343396] CR2: ffffffffa187e330

 4681 16:02:15.204463  <4>[   47.347385] ---[ end trace ffd54ce207130e87 ]---

 4682 16:02:15.211076  <4>[   47.352833] RIP: 0010:lkdtm_BUG+0x5/0x10

 4683 16:02:15.230963  <4>[   47.357500] Code: 89 ff e8 4e e7 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 57 e9 02

 4684 16:02:15.237560  <4>[   47.378778] RSP: 0018:ffffac21c131fe60 EFLAGS: 00010286

 4685 16:02:15.243957  <4>[   47.384904] RAX: ffffffffa0379430 RBX: 0000000000000001 RCX: 0000000000000000

 4686 16:02:15.254003  <4>[   47.393165] RDX: 0000000000000000 RSI: ffff9efd3ad9bf70 RDI: ffffffffa137e830

 4687 16:02:15.260378  <4>[   47.401437] RBP: ffffffffa185db78 R08: 0000000000000001 R09: 0000000000000001

 4688 16:02:15.270480  <4>[   47.409699] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4689 16:02:15.277248  <4>[   47.417961] R13: ffffac21c131ff10 R14: ffffac21c131ff10 R15: ffff9efcc43c9000

 4690 16:02:15.287022  <4>[   47.426224] FS:  00007f8dd035b580(0000) GS:ffff9efd3ac00000(0000) knlGS:0000000000000000

 4691 16:02:15.293606  <4>[   47.435555] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4692 16:02:15.303106  <4>[   47.442263] CR2: ffffffffa187e330 CR3: 0000000103b92004 CR4: 00000000003706f0

 4693 16:02:15.306804  00 00 83 05 60 57 e9 02

 4694 16:02:15.310057  # [   40.674447] RSP: 0018:ffffac21c131fe60 EFLAGS: 00010286

 4695 16:02:15.319888  # [   40.680573] RAX: ffffffffa0379430 RBX: 0000000000000001 RCX: 0000000000000000

 4696 16:02:15.326213  # [   40.688835] RDX: 0000000000000000 RSI: ffff9efd3ad9bf70 RDI: ffffffffa137e830

 4697 16:02:15.335988  # [   40.697097] RBP: ffffffffa185db78 R08: 0000000000000001 R09: 0000000000000001

 4698 16:02:15.342729  # [   40.705356] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4699 16:02:15.352606  # [   40.713617] R13: ffffac21c131ff10 R14: ffffac21c131ff10 R15: ffff9efcc43c9000

 4700 16:02:15.362302  # [   40.721877] FS:  00007fcba2cc3580(0000) GS:ffff9efd3ad80000(0000) knlGS:0000000000000000

 4701 16:02:15.369246  # [   40.731205] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4702 16:02:15.376103  # [   40.737911] CR2: ffffffffa320ebe0 CR3: 0000000103cb4002 CR4: 00000000003706e0

 4703 16:02:15.385775  # [   40.746173] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 4704 16:02:15.395411  # [   40.756374] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1543, name: cat

 4705 16:02:15.398710  # [   40.765121] INFO: lockdep is turned off.

 4706 16:02:15.401743  # [   40.769787] irq event stamp: 0

 4707 16:02:15.411668  # [   40.773491] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 4708 16:02:15.418237  # [   40.780781] hardirqs last disabled at (0): [<ffffffff9f8fd844>] copy_process+0x664/0x1c60

 4709 16:02:15.428226  # [   40.790208<6>[   47.565145] lkdtm: Performing direct entry WRITE_KERN

 4710 16:02:15.434649  <6>[   47.574579] lkdtm: attempting bad 6901243 byte write at ffffffffa0a0e5fb

 4711 16:02:15.441171  <1>[   47.582389] BUG: unable to handle page fault for address: ffffffffa0a0e5fb

 4712 16:02:15.448168  <1>[   47.590372] #PF: supervisor write access in kernel mode

 4713 16:02:15.461132  ] softirqs last  enabled at (0): [<ffffffff9f8fd844>] copy_proce<1>[   47.596505] #PF: error_code(0x0003) - permissions violation

 4714 16:02:15.467470  <6>[   47.609230] PGD 20629067 P4D 20629067 PUD 2062a063 PMD 1f6000e1 

 4715 16:02:15.470922  ss+0x664/0x1c60

 4716 16:02:15.480832  # [   40.799634] softirqs last disabled at (0):<4>[   47.616235] Oops: 0003 [#16] SMP PTI

 4717 16:02:15.487374  <4>[   47.626728] CPU: 3 PID: 1934 Comm: cat Tainted: G      D W         5.10.181-cip34 #1

 4718 16:02:15.493987  <4>[   47.635670] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4719 16:02:15.500147  <4>[   47.642769] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e

 4720 16:02:15.523749  <4>[   47.648215] Code: 53 48 c7 c3 fb e5 a0 a0 49 89 dc 48 89 da 49 81 ec 00 98 37 a0 4c 89 e6 e8 70 d9 fb ff 48 89 df 4c 89 e1 48 c7 c6 00 98 37 a0 <f3> a4 48 c7 c7 b8 a4 7f a1 e8 55 d9 fb ff 5b 41 5c e9 b7 fe ff ff

 4721 16:02:15.526795  <4>[   47.669490] RSP: 0018:ffffac21c2707e50 EFLAGS: 00010246

 4722 16:02:15.536567  <4>[   47.675616] RAX: 000000000000003c RBX: ffffffffa0a0e5fb RCX: 0000000000694dfb

 4723 16:02:15.543084  <4>[   47.683877] RDX: 0000000000000000 RSI: ffffffffa0379800 RDI: ffffffffa0a0e5fb

 4724 16:02:15.553142  <4>[   47.692129] RBP: ffffffffa17f96c2 R08: 0000000000000000 R09: 0000000000000000

 4725 16:02:15.559840  <4>[   47.700390] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000694dfb

 4726 16:02:15.569177  <4>[   47.708652] R13: ffffac21c2707f10 R14: ffffac21c2707f10 R15: ffff9efcc5a8d000

 4727 16:02:15.579118  <4>[   47.716913] FS:  00007fecdf6d2580(0000) GS:ffff9efd3ad80000(0000) knlGS:0000000000000000

 4728 16:02:15.585738  <4>[   47.726243] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4729 16:02:15.592653  <4>[   47.732949] CR2: ffffffffa0a0e5fb CR3: 0000000102874001 CR4: 00000000003706e0

 4730 16:02:15.595796  <4>[   47.741211] Call Trace:

 4731 16:02:15.602166  <4>[   47.744232]  ? __die_body.cold+0x1a/0x1f

 4732 16:02:15.605447  <4>[   47.748902]  ? no_context+0x177/0x380

 4733 16:02:15.612013  <4>[   47.753281]  ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32

 4734 16:02:15.615565  <4>[   47.759020]  ? exc_page_fault+0xd7/0x170

 4735 16:02:15.621857  <4>[   47.763682]  ? asm_exc_page_fault+0x1e/0x30

 4736 16:02:15.625320  <4>[   47.768643]  ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32

 4737 16:02:15.631753  <4>[   47.774380]  ? lkdtm_SLAB_FREE_PAGE+0x40/0x40

 4738 16:02:15.638256  <4>[   47.779525]  ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32

 4739 16:02:15.641510  <4>[   47.785264]  ? lkdtm_WRITE_KERN+0x38/0x4e

 4740 16:02:15.648198  <4>[   47.790031]  direct_entry.cold+0x2c/0x38

 4741 16:02:15.651505  <4>[   47.794702]  full_proxy_write+0x53/0x80

 4742 16:02:15.654760  <4>[   47.799276]  vfs_write+0xe7/0x3b0

 4743 16:02:15.657915  <4>[   47.803266]  ksys_write+0x68/0xf0

 4744 16:02:15.664716  <4>[   47.807255]  do_syscall_64+0x30/0x40

 4745 16:02:15.671074  <4>[   47.811535]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 4746 16:02:15.674262  <4>[   47.817480] RIP: 0033:0x7fecdf5e8473

 4747 16:02:15.694215  <4>[   47.821791] 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

 4748 16:02:15.703870  <4>[   47.843068] RSP: 002b:00007ffdaed42fd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4749 16:02:15.713795  <4>[   47.851809] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007fecdf5e8473

 4750 16:02:15.720730  <4>[   47.860071] RDX: 000000000000000b RSI: 00007fecdf4dc000 RDI: 0000000000000001

 4751 16:02:15.730785  <4>[   47.868333] RBP: 00007fecdf4dc000 R08: 00007fecdf4db010 R09: 0000000000000000

 4752 16:02:15.736900  <4>[   47.876593] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4753 16:02:15.746802  <4>[   47.884854] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4754 16:02:15.746906   [<0000000000000000>] 0x0

 4755 16:02:15.806224  # [   40.806925] CPU: 3 PID: 1543 Com<4>[   47.893119] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 4756 16:02:15.808982  <4>[   47.952115] CR2: ffffffffa0a0e5fb

 4757 16:02:15.812490  <4>[   47.956103] ---[ end trace ffd54ce207130e88 ]---

 4758 16:02:15.819322  <4>[   47.961549] RIP: 0010:lkdtm_BUG+0x5/0x10

 4759 16:02:15.838739  <4>[   47.966218] Code: 89 ff e8 4e e7 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 57 e9 02

 4760 16:02:15.846204  <4>[   47.987492] RSP: 0018:ffffac21c131fe60 EFLAGS: 00010286

 4761 16:02:15.855078  <4>[   47.993615] RAX: ffffffffa0379430 RBX: 0000000000000001 RCX: 0000000000000000

 4762 16:02:15.861811  <4>[   48.001877] RDX: 0000000000000000 RSI: ffff9efd3ad9bf70 RDI: ffffffffa137e830

 4763 16:02:15.871865  <4>[   48.010138] RBP: ffffffffa185db78 R08: 0000000000000001 R09: 0000000000000001

 4764 16:02:15.878455  <4>[   48.018398] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4765 16:02:15.887965  <4>[   48.026659] R13: ffffac21c131ff10 R14: ffffac21c131ff10 R15: ffff9efcc43c9000

 4766 16:02:15.898195  <4>[   48.034921] FS:  00007fecdf6d2580(0000) GS:ffff9efd3ad80000(0000) knlGS:0000000000000000

 4767 16:02:15.905068  <4>[   48.044250] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4768 16:02:15.911300  <4>[   48.050957] CR2: ffffffffa0a0e5fb CR3: 0000000102874001 CR4: 00000000003706e0

 4769 16:02:15.921180  <3>[   48.059220] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 4770 16:02:15.931263  <3>[   48.069438] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1934, name: cat

 4771 16:02:15.934600  <4>[   48.078186] INFO: lockdep is turned off.

 4772 16:02:15.937417  <4>[   48.082854] irq event stamp: 0

 4773 16:02:15.947199  <4>[   48.086551] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 4774 16:02:15.953827  <4>[   48.093842] hardirqs last disabled at (0): [<ffffffff9f8fd844>] copy_process+0x664/0x1c60

 4775 16:02:15.963982  <4>[   48.103262] softirqs last  enabled at (0): [<ffffffff9f8fd844>] copy_process+0x664/0x1c60

 4776 16:02:15.973559  <4>[   48.112680] softirqs last disabled at (0): [<0000000000000000>] 0x0

 4777 16:02:15.980176  <4>[   48.119970] CPU: 3 PID: 1934 Comm: cat Tainted: G      D W         5.10.181-cip34 #1

 4778 16:02:15.986792  <4>[   48.128909] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4779 16:02:15.990289  <4>[   48.136004] Call Trace:

 4780 16:02:15.996919  <4>[   48.139020]  dump_stack+0x77/0x9b

 4781 16:02:15.999886  <4>[   48.143010]  ___might_sleep.cold+0xa6/0xb6

 4782 16:02:16.003326  <4>[   48.147877]  exit_signals+0x1c/0x300

 4783 16:02:16.006618  <4>[   48.152189]  do_exit+0xc2/0xab0

 4784 16:02:16.013714  <4>[   48.155983]  ? ksys_write+0x68/0xf0

 4785 16:02:16.019833  <4>[   48.160167]  ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32

 4786 16:02:16.023418  <4>[   48.165904]  make_task_dead+0x2f/0x30

 4787 16:02:16.029752  <4>[   48.170282]  rewind_stack_and_make_dead+0x17/0x20

 4788 16:02:16.033016  <4>[   48.175823] RIP: 0033:0x7fecdf5e8473

 4789 16:02:16.052769  <4>[   48.180102] 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

 4790 16:02:16.062698  <4>[   48.201380] RSP: 002b:00007ffdaed42fd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4791 16:02:16.069097  <4>[   48.210128] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007fecdf5e8473

 4792 16:02:16.078821  <4>[   48.218388] RDX: 000000000000000b RSI: 00007fecdf4dc000 RDI: 0000000000000001

 4793 16:02:16.089039  <4>[   48.226649] RBP: 00007fecdf4dc000 R08: 00007fecdf4db010 R09: 0000000000000000

 4794 16:02:16.095693  <4>[   48.234911] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4795 16:02:16.105071  <4>[   48.243174] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4796 16:02:16.108441  m: cat Tainted: G      D W         5.10.181-cip34 #1

 4797 16:02:16.115185  # [   40.815858] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4798 16:02:16.118462  # [   40.822953] Call Trace:

 4799 16:02:16.121654  # [   40.825972]  dump_stack+0x77/0x9b

 4800 16:02:16.128266  # [   40.829960]  ___might_sleep.cold+0xa6/0xb6

 4801 16:02:16.131819  # [   40.834824]  exit_signals+0x1c/0x300

 4802 16:02:16.134714  # [   40.839105]  do_exit+0xc2/0xab0

 4803 16:02:16.138269  # [   40.842901]  ? ksys_write+0x68/0xf0

 4804 16:02:16.145258  # [   40.847083]  make_task_dead+0x2f/0x30

 4805 16:02:16.148111  # [   40.851452]  rewind_stack_and_make_dead+0x17/0x20

 4806 16:02:16.154660  # [   40.856986] RIP: 0033:0x7fcba2bd9473

 4807 16:02:16.174229  # [   40.861266] 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

 4808 16:02:16.184231  # [   40.882534] RSP: 002b:00007ffc0e44a7d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4809 16:02:16.190666  # [   40.891282] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fcba2bd9473

 4810 16:02:16.200568  # [   40.899542] RDX: 000000000000000a RSI: 00007fcba2acd000 RDI: 0000000000000001

 4811 16:02:16.207212  # [   40.907802] RBP: 00007fcba2acd000 R08: 00007fcba2acc010 R09: 0000000000000000

 4812 16:02:16.217555  # [   40.916063] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4813 16:02:16.223596  # [   40.924325] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4814 16:02:16.226679  # EXEC_DATA: saw 'call trace:': ok

 4815 16:02:16.230094  ok 30 selftests: lkdtm: EXEC_DATA.sh

 4816 16:02:16.240235  # selftests: lkdtm: EXEC_STACK.s<6>[   48.376740] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW

 4817 16:02:16.249987  <6>[   48.388967] lkdtm: attempting good refcount_inc() without overflow

 4818 16:02:16.256306  <6>[   48.396190] lkdtm: attempting bad refcount_inc() overflow

 4819 16:02:16.259522  <4>[   48.402525] ------------[ cut here ]------------

 4820 16:02:16.266294  <4>[   48.407980] refcount_t: saturated; leaking memory.

 4821 16:02:16.276171  <4>[   48.413653] WARNING: CPU: 3 PID: 1969 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110

 4822 16:02:16.276256  h

 4823 16:02:16.276323  # Killed

 4824 16:02:16.335152  # [   41.033926] lkdtm: Performing direct entry EXE<4>[   48.423383] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 4825 16:02:16.345035  <4>[   48.482348] CPU: 3 PID: 1969 Comm: cat Tainted: G      D W         5.10.181-cip34 #1

 4826 16:02:16.351422  <4>[   48.491324] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4827 16:02:16.358162  <4>[   48.498450] RIP: 0010:refcount_warn_saturate+0x51/0x110

 4828 16:02:16.358255  C_STACK

 4829 16:02:16.384279  # [   41.044232] lkdtm: attempting ok execution at ffff<4>[   48.504586] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 31 f3 f6 01 00 75 ee 48 c7 c7 68 46 75 a1 c6 05 21 f3 f6 01 01 e8 26 fe c0 00 <0f> 0b c3 cc cc cc cc 80 3d 0d f3 f6 01 00 75 cb 48 c7 c7 90 46 75

 4830 16:02:16.384390  ffffa0379800

 4831 16:02:16.397790  # [   41.051071] lkdtm: attempting bad execution a<4>[   48.532079] RSP: 0018:ffffac21c27a7e48 EFLAGS: 00010286

 4832 16:02:16.397878  t ffffac21c2167e18

 4833 16:02:16.410516  # [   41.057979] kernel tried to execute NX-<4>[   48.544421] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000

 4834 16:02:16.414261  protected page - exploit attempt? (uid: 0)

 4835 16:02:16.427232  # [   41.066660] BUG<4>[   48.558902] RDX: ffff9efd3adac660 RSI: ffff9efd3ad9bf70 RDI: ffff9efd3ad9bf70

 4836 16:02:16.433700  <4>[   48.573382] RBP: ffffffffa17f96cd R08: 0000000000000000 R09: 0000000000000000

 4837 16:02:16.443590  <4>[   48.581646] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016

 4838 16:02:16.450270  <4>[   48.589912] R13: ffffac21c27a7f10 R14: ffffac21c27a7f10 R15: ffff9efcc5d9d000

 4839 16:02:16.460206  <4>[   48.598179] FS:  00007f39dbfea580(0000) GS:ffff9efd3ad80000(0000) knlGS:0000000000000000

 4840 16:02:16.466934  <4>[   48.607534] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4841 16:02:16.473373  : unable to handle page fault for address: ffffac21c2167e18

 4842 16:02:16.480158  # [<4>[   48.614259] CR2: 00007f39dbdf4000 CR3: 0000000102ae6002 CR4: 00000000003706e0

 4843 16:02:16.483354  <4>[   48.628730] Call Trace:

 4844 16:02:16.489758  <4>[   48.631755]  ? __warn+0x80/0x110

 4845 16:02:16.493282  <4>[   48.635680]  ? refcount_warn_saturate+0x51/0x110

 4846 16:02:16.496308  <4>[   48.641131]  ? report_bug+0x9e/0xc0

 4847 16:02:16.503123  <4>[   48.645317]  ? handle_bug+0x41/0x90

 4848 16:02:16.506352  <4>[   48.649504]  ? exc_invalid_op+0x14/0x70

 4849 16:02:16.513259  <4>[   48.654079]  ? asm_exc_invalid_op+0x12/0x20

 4850 16:02:16.515838  <4>[   48.659045]  ? refcount_warn_saturate+0x51/0x110

 4851 16:02:16.522724  <4>[   48.664525]  ? refcount_warn_saturate+0x51/0x110

 4852 16:02:16.529409  <4>[   48.669975]  lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98

 4853 16:02:16.532684  <4>[   48.675619]  direct_entry.cold+0x2c/0x38

 4854 16:02:16.539207  <4>[   48.680294]  full_proxy_write+0x53/0x80

 4855 16:02:16.542583  <4>[   48.684893]  vfs_write+0xe7/0x3b0

 4856 16:02:16.545488  <4>[   48.688885]  ksys_write+0x68/0xf0

 4857 16:02:16.549054  <4>[   48.692878]  do_syscall_64+0x30/0x40

 4858 16:02:16.555516  <4>[   48.697162]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 4859 16:02:16.558376  <4>[   48.703096] RIP: 0033:0x7f39dbf00473

 4860 16:02:16.581658  <4>[   48.707380] 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

 4861 16:02:16.591516  <4>[   48.728660] RSP: 002b:00007ffca36a7a48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4862 16:02:16.597672  <4>[   48.737428] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f39dbf00473

 4863 16:02:16.604527     41.074630] #PF: supervisor instruction fetch in kernel mode

 4864 16:02:16.610907  <4>[   48.745703] RDX: 0000000000000016 RSI: 00007f39dbdf4000 RDI: 0000000000000001

 4865 16:02:16.620641  <4>[   48.760180] RBP: 00007f39dbdf4000 R08: 00007f39dbdf3010 R09: 0000000000000000

 4866 16:02:16.627461  <4>[   48.768445] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4867 16:02:16.637427  <4>[   48.776711] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4868 16:02:16.640617  <4>[   48.784979] irq event stamp: 0

 4869 16:02:16.647560  <4>[   48.788703] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 4870 16:02:16.656893  <4>[   48.795996] hardirqs last disabled at (0): [<ffffffff9f8fd844>] copy_process+0x664/0x1c60

 4871 16:02:16.666880  <4>[   48.805441] softirqs last  enabled at (0): [<ffffffff9f8fd844>] copy_process+0x664/0x1c60

 4872 16:02:16.680269  # [   41.081232] #PF: error_code(0x0011) - permissions violation<4>[   48.814874] softirqs last disabled at (0): [<0000000000000000>] 0x0

 4873 16:02:16.686884  <4>[   48.828380] ---[ end trace ffd54ce207130e89 ]---

 4874 16:02:16.686993  

 4875 16:02:16.696522  # [   41.087745] PGD 100000067 P4D 100000067 PUD 100231067 PMD<6>[   48.833831] lkdtm: Overflow detected: saturated

 4876 16:02:16.700119   102657067 PTE 8000000106f54063

 4877 16:02:16.706427  # [   41.103298] Oops: 0011 [#6] SMP PTI

 4878 16:02:16.713035  # [   41.107481] CPU: 3 PID: 1579 Comm: cat Tainted: G      D W         5.10.181-cip34 #1

 4879 16:02:16.719444  # [   41.116440] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4880 16:02:16.726242  # [   41.123529] RIP: 0010:0xffffac21c2167e18

 4881 16:02:16.745964  # [   41.128198] Code: 00 00 18 7e 16 c2 21 ac ff ff 51 e6 a0 a0 ff ff ff ff 20 00 00 00 00 00 00 00 3e 96 7f a1 ff ff ff ff 80 e7 a0 a0 ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55

 4882 16:02:16.752617  # [   41.149462] RSP: 0018:ffffac21c2167df8 EFLAGS: 00010246

 4883 16:02:16.759002  # [   41.155586] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000

 4884 16:02:16.769421  # [   41.163847] RDX: 0000000000000000 RSI: ffff9efd3ad9bf70 RDI: ffff9efd3ad9bf70

 4885 16:02:16.775699  # [   41.172105] RBP: ffffac21c2167e18 R08: 0000000000000000 R09: 0000000000000000

 4886 16:02:16.785223  # [   41.180366] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b

 4887 16:02:16.792279  # [   41.188626] R13: ffffac21c2167f10 R14: ffffac21c2167f10 R15: ffff9efcc2a0c000

 4888 16:02:16.801972  # [   41.196887] FS:  00007fb5f9e1d580(0000) GS:ffff9efd3ad80000(0000) knlGS:0000000000000000

 4889 16:02:16.808555  # [   41.206216] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4890 16:02:16.818497  # [   41.212922] CR2: ffffac21c2167e18 CR3: 0000000106e58003 CR4: 00000000003706e0

 4891 16:02:16.821484  # [   41.221183] Call Trace:

 4892 16:02:16.824751  # [   41.224203]  ? __die_body.cold+0x1a/0x1f

 4893 16:02:16.827922  # [   41.228873]  ? no_context+0x177/0x380

 4894 16:02:16.834945  # [   41.233252]  ? exc_page_fault+0xd7/0x170

 4895 16:02:16.838092  # [   41.237923]  ? asm_exc_page_fault+0x1e/0x30

 4896 16:02:16.844660  # [   41.242887]  ? execute_location+0x45/0x56

 4897 16:02:16.854649  # [   41.247654]  ? lkdtm_EXEC_STACK+0<6>[   48.992762] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW

 4898 16:02:16.861017  <6>[   49.001576] lkdtm: attempting good refcount_add() without overflow

 4899 16:02:16.867676  <6>[   49.008798] lkdtm: attempting bad refcount_add() overflow

 4900 16:02:16.874174  <4>[   49.015137] ------------[ cut here ]------------

 4901 16:02:16.877578  <4>[   49.020594] refcount_t: saturated; leaking memory.

 4902 16:02:16.887456  <4>[   49.026248] WARNING: CPU: 3 PID: 2001 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110

 4903 16:02:16.890572  x26/0x44

 4904 16:02:16.894333  # [   41.252436]  ? direct_entry.cold+0x2c/0x38

 4905 16:02:16.946279  # [  <4>[   49.035974] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 4906 16:02:16.956426  <4>[   49.094974] CPU: 3 PID: 2001 Comm: cat Tainted: G      D W         5.10.181-cip34 #1

 4907 16:02:16.962940  <4>[   49.103949] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4908 16:02:16.969308  <4>[   49.111049] RIP: 0010:refcount_warn_saturate+0x51/0x110

 4909 16:02:16.989382  <4>[   49.117179] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 31 f3 f6 01 00 75 ee 48 c7 c7 68 46 75 a1 c6 05 21 f3 f6 01 01 e8 26 fe c0 00 <0f> 0b c3 cc cc cc cc 80 3d 0d f3 f6 01 00 75 cb 48 c7 c7 90 46 75

 4910 16:02:16.996037  <4>[   49.138460] RSP: 0018:ffffac21c2817e48 EFLAGS: 00010286

 4911 16:02:17.005458  <4>[   49.144595] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000

 4912 16:02:17.011980  <4>[   49.152861] RDX: ffff9efd3adac660 RSI: ffff9efd3ad9bf70 RDI: ffff9efd3ad9bf70

 4913 16:02:17.022327  <4>[   49.161126] RBP: ffffffffa17f96e3 R08: 0000000000000000 R09: 0000000000000000

 4914 16:02:17.028562  <4>[   49.169391] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016

 4915 16:02:17.038524  <4>[   49.177656] R13: ffffac21c2817f10 R14: ffffac21c2817f10 R15: ffff9efcc6cf2000

 4916 16:02:17.048631  <4>[   49.185920] FS:  00007fc3d32b6580(0000) GS:ffff9efd3ad80000(0000) knlGS:0000000000000000

 4917 16:02:17.054835  <4>[   49.195252] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4918 16:02:17.061330  <4>[   49.201962] CR2: 00007fc3d30c0000 CR3: 0000000105b40005 CR4: 00000000003706e0

 4919 16:02:17.064393  <4>[   49.210227] Call Trace:

 4920 16:02:17.068142  <4>[   49.213251]  ? __warn+0x80/0x110

 4921 16:02:17.074225   41.257310]  ? full_proxy_write+0x53/0x80

 4922 16:02:17.080871  # [   41.268289]  ? v<4>[   49.217172]  ? refcount_warn_saturate+0x51/0x110

 4923 16:02:17.084108  <4>[   49.228830]  ? report_bug+0x9e/0xc0

 4924 16:02:17.090467  <4>[   49.233018]  ? handle_bug+0x41/0x90

 4925 16:02:17.094103  <4>[   49.237202]  ? exc_invalid_op+0x14/0x70

 4926 16:02:17.100637  <4>[   49.241777]  ? asm_exc_invalid_op+0x12/0x20

 4927 16:02:17.103879  <4>[   49.246743]  ? refcount_warn_saturate+0x51/0x110

 4928 16:02:17.110622  <4>[   49.252221]  ? refcount_warn_saturate+0x51/0x110

 4929 16:02:17.116837  <4>[   49.257669]  lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7

 4930 16:02:17.120241  <4>[   49.263312]  direct_entry.cold+0x2c/0x38

 4931 16:02:17.123468  <4>[   49.267985]  full_proxy_write+0x53/0x80

 4932 16:02:17.130103  <4>[   49.272560]  vfs_write+0xe7/0x3b0

 4933 16:02:17.133584  <4>[   49.276553]  ksys_write+0x68/0xf0

 4934 16:02:17.136481  <4>[   49.280544]  do_syscall_64+0x30/0x40

 4935 16:02:17.143095  <4>[   49.284827]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 4936 16:02:17.146388  <4>[   49.290762] RIP: 0033:0x7fc3d31cc473

 4937 16:02:17.170228  <4>[   49.295044] 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

 4938 16:02:17.176510  <4>[   49.316324] RSP: 002b:00007ffd94938838 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4939 16:02:17.186162  <4>[   49.325076] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fc3d31cc473

 4940 16:02:17.192839  <4>[   49.333341] RDX: 0000000000000016 RSI: 00007fc3d30c0000 RDI: 0000000000000001

 4941 16:02:17.202803  <4>[   49.341605] RBP: 00007fc3d30c0000 R08: 00007fc3d30bf010 R09: 0000000000000000

 4942 16:02:17.209339  <4>[   49.349860] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4943 16:02:17.219022  <4>[   49.358126] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4944 16:02:17.222097  <4>[   49.366394] irq event stamp: 0

 4945 16:02:17.228682  <4>[   49.370118] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 4946 16:02:17.238827  <4>[   49.377429] hardirqs last disabled at (0): [<ffffffff9f8fd844>] copy_process+0x664/0x1c60

 4947 16:02:17.241735  fs_write+0xe7/0x3b0

 4948 16:02:17.245419  # [   41.272473]  ? ksys_write+0x68/0xf0

 4949 16:02:17.254943  #<4>[   49.386870] softirqs last  enabled at (0): [<ffffffff9f8fd844>] copy_process+0x664/0x1c60

 4950 16:02:17.261916  <4>[   49.402512] softirqs last disabled at (0): [<0000000000000000>] 0x0

 4951 16:02:17.264842   [   41.276676]  ? do_syscall_64+0x30/0x40

 4952 16:02:17.274943  # [   41.281142]  ? <4>[   49.409806] ---[ end trace ffd54ce207130e8a ]---

 4953 16:02:17.277770  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 4954 16:02:17.284540  # [   41.287269] Modul<6>[   49.421473] lkdtm: Overflow detected: saturated

 4955 16:02:17.337204  es linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 4956 16:02:17.340420  # [   41.346268] CR2: ffffac21c2167e18

 4957 16:02:17.343827  # [   41.350255] ---[ end trace ffd54ce207130e7e ]---

 4958 16:02:17.350316  # [   41.355703] RIP: 0010:lkdtm_BUG+0x5/0x10

 4959 16:02:17.370325  # [   41.360370] Code: 89 ff e8 4e e7 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 57 e9 02

 4960 16:02:17.376565  # [   41.381646] RSP: 0018:ffffac21c131fe60 EFLAGS: 00010286

 4961 16:02:17.383455  # [   41.387773] RAX: ffffffffa0379430 RBX: 0000000000000001 RCX: 0000000000000000

 4962 16:02:17.393159  # [   41.396035] RDX: 0000000000000000 RSI: ffff9efd3ad9bf70 RDI: ffffffffa137e830

 4963 16:02:17.406833  # [   41.404297] RBP: ffffffffa185db78 R08<6>[   49.540794] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW

 4964 16:02:17.409806  : 0000000000000001 R09: 0000000000000001

 4965 16:02:17.419926  # [   41.412558] R10: <6>[   49.552799] lkdtm: attempting bad refcount_inc_not_zero() overflow

 4966 16:02:17.426257  00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4967 16:02:17.429750  # <4>[   49.566214] ------------[ cut here ]------------

 4968 16:02:17.436062  <4>[   49.577875] refcount_t: saturated; leaking memory.

 4969 16:02:17.452754  [   41.420818] R13: ffffac21c131ff10 R14: ffffac21c131ff10 R15: <4>[   49.583551] WARNING: CPU: 1 PID: 2033 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110

 4970 16:02:17.453180  ffff9efcc43c9000

 4971 16:02:17.511773  # [   41.429081] FS:  00007fb5f9e1d580(0000) G<4>[   49.599456] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 4972 16:02:17.515322  S:ffff9efd3ad80000(0000) knlGS:0000000000000000

 4973 16:02:17.525240  # [   41.438411<4>[   49.658426] CPU: 1 PID: 2033 Comm: cat Tainted: G      D W         5.10.181-cip34 #1

 4974 16:02:17.531690  ] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4975 16:02:17.538283  # [   41.44<4>[   49.673588] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 4976 16:02:17.551120  5118] CR2: ffffac21c2167e18 CR3: 0000000106e58003 CR4: 000000000<4>[   49.686908] RIP: 0010:refcount_warn_saturate+0x97/0x110

 4977 16:02:17.551607  03706e0

 4978 16:02:17.557806  # EXEC_STACK: saw 'call trace:': ok

 4979 16:02:17.577595  ok 31 selftests: l<4>[   49.699253] Code: 01 01 e8 03 fe c0 00 0f 0b c3 cc cc cc cc 80 3d ec f2 f6 01 00 75 a8 48 c7 c7 68 46 75 a1 c6 05 dc f2 f6 01 01 e8 e0 fd c0 00 <0f> 0b c3 cc cc cc cc 80 3d c6 f2 f6 01 00 75 85 48 c7 c7 c0 46 75

 4980 16:02:17.581264  kdtm: EXEC_STACK.sh

 4981 16:02:17.584780  # selftests: lkdtm: EXEC_KMALLOC.sh

 4982 16:02:17.591055  # Kill<4>[   49.726754] RSP: 0018:ffffac21c28c7e38 EFLAGS: 00010282

 4983 16:02:17.591540  ed

 4984 16:02:17.607223  # [   41.553664] lkdtm: Performing direct entry EXEC_KMALLOC<4>[   49.739105] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000

 4985 16:02:17.607704  

 4986 16:02:17.620225  # [   41.565228] lkdtm: attempting ok execution at ffffffffa03<4>[   49.753585] RDX: ffff9efd3acac660 RSI: ffff9efd3ac9bf70 RDI: ffff9efd3ac9bf70

 4987 16:02:17.620310  79800

 4988 16:02:17.633222  # [   41.572077] lkdtm: attempting bad execution at ffff9<4>[   49.768063] RBP: ffffffffa17f9320 R08: 0000000000000000 R09: 0000000000000000

 4989 16:02:17.636758  efcc50b1680

 4990 16:02:17.649702  # [   41.579011] kernel tried to execute NX-protect<4>[   49.782548] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f

 4991 16:02:17.652980  ed page - exploit attempt? (uid: 0)

 4992 16:02:17.663147  # [   41.587669] BUG: unabl<4>[   49.797032] R13: ffffac21c28c7f10 R14: ffffac21c28c7f10 R15: ffff9efcc6eda000

 4993 16:02:17.669339  e to handle page fault for address: ffff9efcc50b1680

 4994 16:02:17.679679  # [   41.5<4>[   49.811517] FS:  00007f7764bed580(0000) GS:ffff9efd3ac80000(0000) knlGS:0000000000000000

 4995 16:02:17.685762  95637] #PF: supervisor instruction fetch in kernel mode

 4996 16:02:17.692340  # [   4<4>[   49.827069] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4997 16:02:17.698859  1.602244] #PF: error_code(0x0011) - permissions violation

 4998 16:02:17.705707  # [  <4>[   49.839998] CR2: 00007f77649f7000 CR3: 00000001030a8003 CR4: 00000000003706e0

 4999 16:02:17.715560   41.608755] PGD 22001067 P4D 22001067 PUD 100870063 PMD 1050d706<4>[   49.854490] Call Trace:

 5000 16:02:17.718737  3 PTE 80000001050b1063

 5001 16:02:17.725562  # [   41.617893] Oops: 0011 [#7] SMP PTI<4>[   49.863735]  ? __warn+0x80/0x110

 5002 16:02:17.725662  

 5003 16:02:17.738218  # [   41.622068] CPU: 3 PID: 1615 Comm: cat Tainted: G      D <4>[   49.873842]  ? refcount_warn_saturate+0x97/0x110

 5004 16:02:17.741596  W         5.10.181-cip34 #1

 5005 16:02:17.748653  # [   41.631010] Hardware name: Goo<4>[   49.885510]  ? report_bug+0x9e/0xc0

 5006 16:02:17.751666  gle Rammus/Rammus, BIOS  09/04/2020

 5007 16:02:17.758230  # [   41.638098] RIP: 0010:<4>[   49.895914]  ? handle_bug+0x41/0x90

 5008 16:02:17.761738  0xffff9efcc50b1680

 5009 16:02:17.768117  # [   41.642766] Code: 00 00 02 00 00 00 00 <4>[   49.906315]  ? exc_invalid_op+0x14/0x70

 5010 16:02:17.781358  00 00 00 c0 1f 0b c5 fc 9e ff ff 04 00 00 00 00 00 00 00 00 00 0<4>[   49.917108]  ? asm_exc_invalid_op+0x12/0x20

 5011 16:02:17.791204  0 00 00 00 00 00 fb ef 8f 9f ff ff ff ff <0f> 1f 44 00 00 c3 cc <4>[   49.928291]  ? refcount_warn_saturate+0x97/0x110

 5012 16:02:17.797592  cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55

 5013 16:02:17.804442  # [   41.664040] R<4>[   49.939953]  ? refcount_warn_saturate+0x97/0x110

 5014 16:02:17.807451  SP: 0018:ffffac21c2047e38 EFLAGS: 00010246

 5015 16:02:17.817485  # [   41.670165] RAX<4>[   49.951620]  __refcount_add_not_zero.constprop.0+0x2a/0x35

 5016 16:02:17.824033  : 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000

 5017 16:02:17.830641  <4>[   49.964260]  lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76

 5018 16:02:17.840380  # [   41.678449] RDX: 0000000000000000 RSI: ffff9efd3ad9bf70 RDI<4>[   49.976994]  direct_entry.cold+0x2c/0x38

 5019 16:02:17.843521  : ffff9efd3ad9bf70

 5020 16:02:17.850323  # [   41.686710] RBP: ffff9efcc50b1680 R08: <4>[   49.987883]  full_proxy_write+0x53/0x80

 5021 16:02:17.853394  0000000000000000 R09: 0000000000000000

 5022 16:02:17.859964  # [   41.694969] R10: 00<4>[   49.998674]  vfs_write+0xe7/0x3b0

 5023 16:02:17.866582  000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d

 5024 16:02:17.869937  # [ <4>[   50.008882]  ksys_write+0x68/0xf0

 5025 16:02:17.882963    41.703227] R13: ffffac21c2047f10 R14: ffffac21c2047f10 R15: ff<4>[   50.019090]  do_syscall_64+0x30/0x40

 5026 16:02:17.883073  ff9efcc32d6000

 5027 16:02:17.892846  # [   41.711493] FS:  00007f0a720d5580(0000) GS:<4>[   50.029591]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 5028 16:02:17.899359  ffff9efd3ad80000(0000) knlGS:0000000000000000

 5029 16:02:17.906221  # [   41.720821] <4>[   50.041743] RIP: 0033:0x7f7764b03473

 5030 16:02:17.909631  CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5031 16:02:17.932716  # [   41.7275<4>[   50.052239] 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

 5032 16:02:17.945548  28] CR2: ffff9efcc50b1680 CR3: 0000000103484005 CR4: 00000000003<4>[   50.079737] RSP: 002b:00007ffe7e5b2d88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5033 16:02:17.949213  706e0

 5034 16:02:17.952050  # [   41.735780] Call Trace:

 5035 16:02:17.962314  # [   41.738799]  ? __die_b<4>[   50.094705] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f7764b03473

 5036 16:02:17.962398  ody.cold+0x1a/0x1f

 5037 16:02:17.968905  # [   41.743481]  ? no_context+0x177/0x380

 5038 16:02:17.975085  <4>[   50.109187] RDX: 000000000000001f RSI: 00007f77649f7000 RDI: 0000000000000001

 5039 16:02:17.981813  # [   41.747893]  ? exc_page_fault+0xd7/0x170

 5040 16:02:17.991794  # [   41.752563] <4>[   50.123670] RBP: 00007f77649f7000 R08: 00007f77649f6010 R09: 0000000000000000

 5041 16:02:17.994805   ? asm_exc_page_fault+0x1e/0x30

 5042 16:02:18.005493  # [   41.757526]  ? execute_loc<4>[   50.138152] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5043 16:02:18.008016  ation+0x45/0x56

 5044 16:02:18.017663  # [   41.762292]  ? lkdtm_EXEC_KMALLOC+0x2c/0x4<4>[   50.152635] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5045 16:02:18.021440  0

 5046 16:02:18.024303  # [   41.767251]  ? direct_entry.cold+0x2c/0x38

 5047 16:02:18.027565  # [   41.772<4>[   50.167120] irq event stamp: 0

 5048 16:02:18.034294  114]  ? full_proxy_write+0x53/0x80

 5049 16:02:18.044102  # [   41.776881]  ? vfs_writ<4>[   50.177031] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5050 16:02:18.044185  e+0xe7/0x3b0

 5051 16:02:18.047360  # [   41.781063]  ? ksys_write+0x68/0xf0

 5052 16:02:18.057507  # [   41<4>[   50.190544] hardirqs last disabled at (0): [<ffffffff9f8fd844>] copy_process+0x664/0x1c60

 5053 16:02:18.060909  .785246]  ? do_syscall_64+0x30/0x40

 5054 16:02:18.073666  # [   41.789712]  ? entry_S<4>[   50.206191] softirqs last  enabled at (0): [<ffffffff9f8fd844>] copy_process+0x664/0x1c60

 5055 16:02:18.077082  YSCALL_64_after_hwframe+0x61/0xc6

 5056 16:02:18.087134  # [   41.795841] Modules link<4>[   50.221836] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5057 16:02:18.100130  ed in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_<4>[   50.235345] ---[ end trace ffd54ce207130e8b ]---

 5058 16:02:18.109894  sensors_core industrialio_triggered_buffer kfifo_buf industriali<6>[   50.247011] lkdtm: Overflow detected: saturated

 5059 16:02:18.149609  o snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 5060 16:02:18.152520  # [   41.854791] CR2: ffff9efcc50b1680

 5061 16:02:18.155959  # [   41.858780] ---[ end trace ffd54ce207130e7f ]---

 5062 16:02:18.162528  # [   41.864226] RIP: 0010:lkdtm_BUG+0x5/0x10

 5063 16:02:18.182492  # [   41.868893] Code: 89 ff e8 4e e7 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 57 e9 02

 5064 16:02:18.188883  # [   41.890157] RSP: 0018:ffffac21c131fe60 EFLAGS: 00010286

 5065 16:02:18.198804  # [   41.896281] RAX: ffffffffa0379430 RBX: 0000000000000001 RCX: 0000000000000000

 5066 16:02:18.205805  # [   41.904541] RDX: 0000000000000000 RSI: ffff9efd3ad9bf70 RDI: ffffffffa137e830

 5067 16:02:18.215801  # [   41.912801] RBP: ffffffffa185db78 R08: 0000000000000001 R09: 0000000000000001

 5068 16:02:18.222171  # [   41.921062] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 5069 16:02:18.232116  # [   41.<6>[   50.365353] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW

 5070 16:02:18.238485  <6>[   50.378332] lkdtm: attempting bad refcount_add_not_zero() overflow

 5071 16:02:18.244871  <4>[   50.385556] ------------[ cut here ]------------

 5072 16:02:18.248253  <4>[   50.391018] refcount_t: saturated; leaking memory.

 5073 16:02:18.258065  <4>[   50.396686] WARNING: CPU: 2 PID: 2065 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110

 5074 16:02:18.310565  <4>[   50.406416] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 5075 16:02:18.327100  929322] R13: ffffac21c131ff10 R14: ffffac21c131ff10 R15: ffff9ef<4>[   50.459202] CPU: 2 PID: 2065 Comm: cat Tainted: G      D W         5.10.181-cip34 #1

 5076 16:02:18.333801  <4>[   50.474356] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5077 16:02:18.340088  <4>[   50.481459] RIP: 0010:refcount_warn_saturate+0x97/0x110

 5078 16:02:18.359746  <4>[   50.487588] Code: 01 01 e8 03 fe c0 00 0f 0b c3 cc cc cc cc 80 3d ec f2 f6 01 00 75 a8 48 c7 c7 68 46 75 a1 c6 05 dc f2 f6 01 01 e8 e0 fd c0 00 <0f> 0b c3 cc cc cc cc 80 3d c6 f2 f6 01 00 75 85 48 c7 c7 c0 46 75

 5079 16:02:18.366478  <4>[   50.508870] RSP: 0018:ffffac21c2927e38 EFLAGS: 00010282

 5080 16:02:18.369699  cc43c9000

 5081 16:02:18.383114  # [   41.937581] FS:  00007f0a720d5580(0000) GS:ffff9<4>[   50.515000] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000

 5082 16:02:18.389351  <4>[   50.529499] RDX: ffff9efd3ad2c660 RSI: ffff9efd3ad1bf70 RDI: ffff9efd3ad1bf70

 5083 16:02:18.399174  <4>[   50.537794] RBP: ffffffffa17f9340 R08: 0000000000000000 R09: 0000000000000000

 5084 16:02:18.405834  <4>[   50.546057] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f

 5085 16:02:18.416028  <4>[   50.554323] R13: ffffac21c2927f10 R14: ffffac21c2927f10 R15: ffff9efcc6e61000

 5086 16:02:18.425637  <4>[   50.562588] FS:  00007fc98e3a4580(0000) GS:ffff9efd3ad00000(0000) knlGS:0000000000000000

 5087 16:02:18.432046  <4>[   50.571925] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5088 16:02:18.435895  efd3ad80000(0000) knlGS:0000000000000000

 5089 16:02:18.445493  # [   41.946909] CS:  <4>[   50.578663] CR2: 00007fc98e1ae000 CR3: 0000000105a6c005 CR4: 00000000003706e0

 5090 16:02:18.448816  <4>[   50.593138] Call Trace:

 5091 16:02:18.451765  <4>[   50.596163]  ? __warn+0x80/0x110

 5092 16:02:18.458300  <4>[   50.600088]  ? refcount_warn_saturate+0x97/0x110

 5093 16:02:18.461691  <4>[   50.605536]  ? report_bug+0x9e/0xc0

 5094 16:02:18.465097  <4>[   50.609724]  ? handle_bug+0x41/0x90

 5095 16:02:18.471385  <4>[   50.613909]  ? exc_invalid_op+0x14/0x70

 5096 16:02:18.474996  <4>[   50.618491]  ? asm_exc_invalid_op+0x12/0x20

 5097 16:02:18.481514  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5098 16:02:18.487794  # [   41.953614] C<4>[   50.623450]  ? refcount_warn_saturate+0x97/0x110

 5099 16:02:18.491425  <4>[   50.635115]  ? refcount_warn_saturate+0x97/0x110

 5100 16:02:18.497625  <4>[   50.640564]  __refcount_add_not_zero.constprop.0+0x2a/0x35

 5101 16:02:18.504193  <4>[   50.646983]  lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76

 5102 16:02:18.511049  <4>[   50.653500]  direct_entry.cold+0x2c/0x38

 5103 16:02:18.514079  <4>[   50.658172]  full_proxy_write+0x53/0x80

 5104 16:02:18.517647  <4>[   50.662748]  vfs_write+0xe7/0x3b0

 5105 16:02:18.524065  <4>[   50.666738]  ksys_write+0x68/0xf0

 5106 16:02:18.527376  <4>[   50.670730]  do_syscall_64+0x30/0x40

 5107 16:02:18.533987  <4>[   50.675013]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 5108 16:02:18.537141  <4>[   50.680946] RIP: 0033:0x7fc98e2ba473

 5109 16:02:18.560396  <4>[   50.685230] 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

 5110 16:02:18.566627  <4>[   50.706511] RSP: 002b:00007ffdcaeeedf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5111 16:02:18.576583  <4>[   50.715261] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fc98e2ba473

 5112 16:02:18.582963  <4>[   50.723515] RDX: 000000000000001f RSI: 00007fc98e1ae000 RDI: 0000000000000001

 5113 16:02:18.592939  <4>[   50.731770] RBP: 00007fc98e1ae000 R08: 00007fc98e1ad010 R09: 0000000000000000

 5114 16:02:18.599451  <4>[   50.740034] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5115 16:02:18.609423  <4>[   50.748297] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5116 16:02:18.612735  <4>[   50.756556] irq event stamp: 0

 5117 16:02:18.619433  <4>[   50.760279] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5118 16:02:18.629369  <4>[   50.767573] hardirqs last disabled at (0): [<ffffffff9f8fd844>] copy_process+0x664/0x1c60

 5119 16:02:18.639056  <4>[   50.777002] softirqs last  enabled at (0): [<ffffffff9f8fd844>] copy_process+0x664/0x1c60

 5120 16:02:18.652763  R2: ffff9efcc50b1680 CR3: 0000000103484005 CR4: 00000000003706e0<4>[   50.786433] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5121 16:02:18.652876  

 5122 16:02:18.665251  # [   41.961873] BUG: sleeping function called from invalid co<4>[   50.799943] ---[ end trace ffd54ce207130e8c ]---

 5123 16:02:18.668278  <6>[   50.811611] lkdtm: Overflow detected: saturated

 5124 16:02:18.675056  ntext at include/linux/percpu-rwsem.h:49

 5125 16:02:18.681265  # [   41.972075] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1615, name: cat

 5126 16:02:18.688157  # [   41.980820] INFO: lockdep is turned off.

 5127 16:02:18.691538  # [   41.985487] irq event stamp: 0

 5128 16:02:18.697944  # [   41.989184] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5129 16:02:18.707827  # [   41.996466] hardirqs last disabled at (0): [<ffffffff9f8fd844>] copy_process+0x664/0x1c60

 5130 16:02:18.714687  # [   42.005891] softirqs last  enabled at (0): [<ffffffff9f8fd844>] copy_process+0x664/0x1c60

 5131 16:02:18.724507  # [   42.015318] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5132 16:02:18.730689  # [   42.022608] CPU: 3 PID: 1615 Comm: cat Tainted: G      D W         5.10.181-cip34 #1

 5133 16:02:18.737252  # [   42.031547] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5134 16:02:18.740619  # [   42.038643] Call Trace:

 5135 16:02:18.747427  # [   42.041663]  dump_stack+0x77/0x9b

 5136 16:02:18.750806  # [   42.045651]  ___might_sleep.cold+0xa6/0xb6

 5137 16:02:18.754127  # [   42.050514]  exit_signals+0x1c/0x300

 5138 16:02:18.757342  # [   42.054787]  do_exit+0xc2/0xab0

 5139 16:02:18.763746  # [   42.058583]  ? ksys_write+0x68/0xf0

 5140 16:02:18.767274  # [   42.062767]  make_task_dead+0x2f/0x30

 5141 16:02:18.773602  # [   42.067144]  rewind_stack_and_make_dead+0x17/0x20

 5142 16:02:18.777213  # [   42.072677] RIP: 0033:0x7f0a71feb473

 5143 16:02:18.793819  # [   42.076948] 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 <6>[   50.931045] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO

 5144 16:02:18.807124  00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3<6>[   50.941743] lkdtm: attempting good refcount_dec()

 5145 16:02:18.810567   0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5146 16:02:18.816803  # [   42.098222] RSP: 0<6>[   50.953478] lkdtm: attempting bad refcount_dec() to zero

 5147 16:02:18.829534  02b:00007ffdb3e3e538 EFLAGS: 00000246 ORIG_RAX: 0000000000000001<4>[   50.965904] ------------[ cut here ]------------

 5148 16:02:18.836617  <4>[   50.977569] refcount_t: decrement hit 0; leaking memory.

 5149 16:02:18.836779  

 5150 16:02:18.853198  # [   42.106970] RAX: ffffffffffffffda RBX: 000000000000000d R<4>[   50.983850] WARNING: CPU: 0 PID: 2097 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110

 5151 16:02:18.853604  CX: 00007f0a71feb473

 5152 16:02:18.912451  # [   42.115232] RDX: 000000000000000d RSI<4>[   50.999769] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 5153 16:02:18.916077  : 00007f0a71edf000 RDI: 0000000000000001

 5154 16:02:18.925483  # [   42.123492] RBP: <4>[   51.058744] CPU: 0 PID: 2097 Comm: cat Tainted: G      D W         5.10.181-cip34 #1

 5155 16:02:18.932436  00007f0a71edf000 R08: 00007f0a71ede010 R09: 0000000000000000

 5156 16:02:18.939005  # <4>[   51.073892] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5157 16:02:18.951838  [   42.131753] R10: fffffffffffffbc5 R11: 0000000000000246 R12: <4>[   51.087248] RIP: 0010:refcount_warn_saturate+0xfb/0x110

 5158 16:02:18.955061  0000000000000001

 5159 16:02:18.978240  # [   42.140014] R13: 0000000000000001 R14: 00<4>[   51.099617] Code: 18 47 75 a1 c6 05 8d f2 f6 01 01 e8 96 fd c0 00 0f 0b c3 cc cc cc cc 48 c7 c7 e8 46 75 a1 c6 05 74 f2 f6 01 01 e8 7c fd c0 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b

 5160 16:02:18.984603  00000000020000 R15: 0000000000020000

 5161 16:02:18.991563  # EXEC_KMALLOC: saw 'call <4>[   51.127112] RSP: 0018:ffffac21c29cfe48 EFLAGS: 00010286

 5162 16:02:18.994973  trace:': ok

 5163 16:02:18.997831  ok 32 selftests: lkdtm: EXEC_KMALLOC.sh

 5164 16:02:19.007976  # selftest<4>[   51.139491] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000

 5165 16:02:19.008537  s: lkdtm: EXEC_VMALLOC.sh

 5166 16:02:19.011126  # Killed

 5167 16:02:19.021193  # [   42.256723] lkdtm: Per<4>[   51.153980] RDX: ffff9efd3ac2c660 RSI: ffff9efd3ac1bf70 RDI: ffff9efd3ac1bf70

 5168 16:02:19.024131  forming direct entry EXEC_VMALLOC

 5169 16:02:19.034288  # [   42.266361] lkdtm: attem<4>[   51.168503] RBP: ffffffffa17f96f9 R08: 0000000000000000 R09: 0000000000000000

 5170 16:02:19.040891  pting ok execution at ffffffffa0379800

 5171 16:02:19.050765  # [   42.279371] lkdtm: <4>[   51.182978] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012

 5172 16:02:19.054258  attempting bad execution at ffffac21c0375000

 5173 16:02:19.063948  # [   42.292534] k<4>[   51.197479] R13: ffffac21c29cff10 R14: ffffac21c29cff10 R15: ffff9efcc2ae6000

 5174 16:02:19.079863  ernel tried to execute NX-protected page - exploit attempt? (uid<4>[   51.211970] FS:  00007fd8e4c50580(0000) GS:ffff9efd3ac00000(0000) knlGS:0000000000000000

 5175 16:02:19.080428  : 0)

 5176 16:02:19.093105  # [   42.307385] BUG: unable to handle page fault for addr<4>[   51.227582] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5177 16:02:19.096498  ess: ffffac21c0375000

 5178 16:02:19.106706  # [   42.315356] #PF: supervisor instruct<4>[   51.240469] CR2: 00007fd8e4a5a000 CR3: 0000000105a66001 CR4: 00000000003706f0

 5179 16:02:19.109955  ion fetch in kernel mode

 5180 16:02:19.116019  # [   42.321966] #PF: error_code(0x001<4>[   51.254978] Call Trace:

 5181 16:02:19.119361  1) - permissions violation

 5182 16:02:19.126135  # [   42.328492] PGD 100000067 P4D 1<4>[   51.264237]  ? __warn+0x80/0x110

 5183 16:02:19.132848  00000067 PUD 100231067 PMD 1009a8067 PTE 8000000106f64063

 5184 16:02:19.139408  # [  <4>[   51.274372]  ? refcount_warn_saturate+0xfb/0x110

 5185 16:02:19.142437   42.337833] Oops: 0011 [#8] SMP PTI

 5186 16:02:19.148896  # [   42.342015] CPU: 0 PID<4>[   51.286034]  ? report_bug+0x9e/0xc0

 5187 16:02:19.155936  : 1651 Comm: cat Tainted: G      D W         5.10.181-cip34 #1

 5188 16:02:19.158598  <4>[   51.296490]  ? handle_bug+0x41/0x90

 5189 16:02:19.172016  # [   42.350957] Hardware name: Google Rammus/Rammus, BIOS  09/0<4>[   51.306890]  ? exc_invalid_op+0x14/0x70

 5190 16:02:19.172578  4/2020

 5191 16:02:19.175382  # [   42.358055] RIP: 0010:0xffffac21c0375000

 5192 16:02:19.183015  # [   42.<4>[   51.317710]  ? asm_exc_invalid_op+0x12/0x20

 5193 16:02:19.191617  362724] Code: Unable to access opcode bytes at RIP 0xffffac21c03<4>[   51.328897]  ? refcount_warn_saturate+0xfb/0x110

 5194 16:02:19.195562  74fd6.

 5195 16:02:19.204547  # [   42.370686] RSP: 0018:ffffac21c2257e38 EFLAGS: 0001<4>[   51.340597]  ? refcount_warn_saturate+0xfb/0x110

 5196 16:02:19.205032  0246

 5197 16:02:19.217811  # [   42.376812] RAX: 0000000000000033 RBX: 00000000000000<4>[   51.352256]  lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd

 5198 16:02:19.218383  01 RCX: 0000000000000000

 5199 16:02:19.228177  # [   42.385073] RDX: 0000000000000000<4>[   51.363764]  direct_entry.cold+0x2c/0x38

 5200 16:02:19.230902   RSI: ffff9efd3ac1bf70 RDI: ffff9efd3ac1bf70

 5201 16:02:19.237672  # [   42.393335] R<4>[   51.374645]  full_proxy_write+0x53/0x80

 5202 16:02:19.247729  BP: ffffac21c0375000 R08: 0000000000000000 R09: 0000000000000000<4>[   51.385492]  vfs_write+0xe7/0x3b0

 5203 16:02:19.248322  

 5204 16:02:19.257342  # [   42.401597] R10: 00000000ffffe000 R11: 3fffffffffffffff R<4>[   51.395697]  ksys_write+0x68/0xf0

 5205 16:02:19.260744  12: 000000000000000d

 5206 16:02:19.270221  # [   42.409859] R13: ffffac21c2257f10 R14<4>[   51.405977]  do_syscall_64+0x30/0x40

 5207 16:02:19.273945  : ffffac21c2257f10 R15: ffff9efcc6f64000

 5208 16:02:19.280081  # [   42.418123] FS:  <4>[   51.416428]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 5209 16:02:19.293601  00007f4eb6de2580(0000) GS:ffff9efd3ac00000(0000) knlGS:000000000<4>[   51.428563] RIP: 0033:0x7fd8e4b66473

 5210 16:02:19.294205  0000000

 5211 16:02:19.319626  # [   42.427445] CS:  0010 DS: 0000 ES: 0000 CR0: 00000<4>[   51.439061] 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

 5212 16:02:19.320222  00080050033

 5213 16:02:19.332465  # [   42.434153] CR2: ffffac21c0374fd6 CR3: 0000000<4>[   51.466614] RSP: 002b:00007ffd83fc9478 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5214 16:02:19.335933  106fb0005 CR4: 00000000003706f0

 5215 16:02:19.339484  # [   42.442415] Call Trace:

 5216 16:02:19.349394  #<4>[   51.481569] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fd8e4b66473

 5217 16:02:19.352922   [   42.445450]  ? __die_body.cold+0x1a/0x1f

 5218 16:02:19.362604  # [   42.450125]  <4>[   51.496082] RDX: 0000000000000012 RSI: 00007fd8e4a5a000 RDI: 0000000000000001

 5219 16:02:19.365928  ? no_context+0x177/0x380

 5220 16:02:19.378857  # [   42.454503]  ? exc_page_fault+0xd<4>[   51.510556] RBP: 00007fd8e4a5a000 R08: 00007fd8e4a59010 R09: 0000000000000000

 5221 16:02:19.379469  7/0x170

 5222 16:02:19.382130  # [   42.459179]  ? asm_exc_page_fault+0x1e/0x30

 5223 16:02:19.392203  # [  <4>[   51.525047] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5224 16:02:19.395171   42.464134]  ? execute_location+0x45/0x56

 5225 16:02:19.408420  # [   42.468897]  ? l<4>[   51.539545] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5226 16:02:19.409028  kdtm_EXEC_VMALLOC+0x20/0x30

 5227 16:02:19.418197  # [   42.473848]  ? direct_entry.co<4>[   51.554041] irq event stamp: 0

 5228 16:02:19.418769  ld+0x2c/0x38

 5229 16:02:19.421310  # [   42.478714]  ? full_proxy_write+0x53/0x80

 5230 16:02:19.431288  # <4>[   51.563965] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5231 16:02:19.434951  [   42.483490]  ? vfs_write+0xe7/0x3b0

 5232 16:02:19.444607  # [   42.487673]  ? ksys<4>[   51.577443] hardirqs last disabled at (0): [<ffffffff9f8fd844>] copy_process+0x664/0x1c60

 5233 16:02:19.447872  _write+0x68/0xf0

 5234 16:02:19.451844  # [   42.491856]  ? do_syscall_64+0x30/0x40

 5235 16:02:19.461267  #<4>[   51.593094] softirqs last  enabled at (0): [<ffffffff9f8fd844>] copy_process+0x664/0x1c60

 5236 16:02:19.468080   [   42.496330]  ? entry_SYSCALL_64_after_hwframe+0x61/0xc6

 5237 16:02:19.474328  # [<4>[   51.608733] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5238 16:02:19.487841     42.502459] Modules linked in: fuse ip_tables cros_ec_lid_angl<4>[   51.622252] ---[ end trace ffd54ce207130e8d ]---

 5239 16:02:19.497252  e cros_ec_sensors cros_ec_sensors_core industrialio_triggered_bu<6>[   51.633932] lkdtm: Zero detected: saturated

 5240 16:02:19.536368  ffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 5241 16:02:19.543619  # [   42.555250] CR2: ffffac21c0375000

 5242 16:02:19.546585  # [   42.559245] ---[ end trace ffd54ce207130e80 ]---

 5243 16:02:19.552882  # [   42.564693] RIP: 0010:lkdtm_BUG+0x5/0x10

 5244 16:02:19.572796  # [   42.569366] Code: 89 ff e8 4e e7 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 57 e9 02

 5245 16:02:19.579635  # [   42.590642] RSP: 0018:ffffac21c131fe60 EFLAGS: 00010286

 5246 16:02:19.585871  # [   42.596758] RAX: ffffffffa0379430 RBX: 0000000000000001 RCX: 0000000000000000

 5247 16:02:19.595901  # [   42.605018] RDX: 0000000000000000 RSI: ffff9efd3ad9bf70 RDI: ffffffffa137e830

 5248 16:02:19.603048  # [   42.613279] RBP: ffffffffa185db78 R08: 0000000000000001 R09: 0000000000000001

 5249 16:02:19.612350  # [   42.621540] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 5250 16:02:19.618805  # [   42.629802] R13: ffffac21c131ff10 R14: ffffac21c131ff10 R15: ffff9efcc43c9000

 5251 16:02:19.628791  # [   42.638063] FS:  00007f4eb6de2580(0000) GS:ffff9efd3ac00000(0000) knlGS:0000000000000000

 5252 16:02:19.641752  # [   42.647383] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080<6>[   51.777925] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE

 5253 16:02:19.642343  050033

 5254 16:02:19.654942  # [   42.654090] CR2: ffffac21c0374fd6 CR3: 0000000106fb<6>[   51.788869] lkdtm: attempting bad refcount_dec() below zero

 5255 16:02:19.658188  0005 CR4: 00000000003706f0

 5256 16:02:19.665244  # EXEC_VMALLOC: saw 'call trace:': o<4>[   51.801611] ------------[ cut here ]------------

 5257 16:02:19.665719  k

 5258 16:02:19.671364  ok 33 selftests: lkdtm: EXEC_VMALLOC.sh

 5259 16:02:19.677860  # selftests: lkdtm: <4>[   51.813267] refcount_t: decrement hit 0; leaking memory.

 5260 16:02:19.681483  EXEC_RODATA.sh

 5261 16:02:19.681952  # Killed

 5262 16:02:19.694159  # [   42.831015] lkdtm: Performing dir<4>[   51.825723] WARNING: CPU: 1 PID: 2132 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110

 5263 16:02:19.697543  ect entry EXEC_RODATA

 5264 16:02:19.753499  # [   42.842426] lkdtm: attempting ok exe<4>[   51.841652] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 5265 16:02:19.757252  cution at ffffffffa0379800

 5266 16:02:19.770659  # [   42.849269] lkdtm: attempting b<4>[   51.900621] CPU: 1 PID: 2132 Comm: cat Tainted: G      D W         5.10.181-cip34 #1

 5267 16:02:19.773395  ad execution at ffffffffa137ecc0

 5268 16:02:19.783468  # [   42.856192] kernel tried <4>[   51.915779] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5269 16:02:19.786769  to execute NX-protected page - exploit attempt? (uid: 0)

 5270 16:02:19.793677  # [   <4>[   51.929092] RIP: 0010:refcount_warn_saturate+0xfb/0x110

 5271 16:02:19.823056  42.864848] BUG: unable to handle page fault for address: fffffff<4>[   51.941445] Code: 18 47 75 a1 c6 05 8d f2 f6 01 01 e8 96 fd c0 00 0f 0b c3 cc cc cc cc 48 c7 c7 e8 46 75 a1 c6 05 74 f2 f6 01 01 e8 7c fd c0 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b

 5272 16:02:19.829662  <4>[   51.968944] RSP: 0018:ffffac21c2a57e48 EFLAGS: 00010286

 5273 16:02:19.830249  fa137ecc0

 5274 16:02:19.842484  # [   42.872819] #PF: supervisor instruction fetch in<4>[   51.975096] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000

 5275 16:02:19.852373  <4>[   51.989573] RDX: ffff9efd3acac660 RSI: ffff9efd3ac9bf70 RDI: ffff9efd3ac9bf70

 5276 16:02:19.858719  <4>[   51.997839] RBP: ffffffffa17f970b R08: 0000000000000000 R09: 0000000000000000

 5277 16:02:19.868695  <4>[   52.006104] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016

 5278 16:02:19.875400  <4>[   52.014370] R13: ffffac21c2a57f10 R14: ffffac21c2a57f10 R15: ffff9efcc5a6b000

 5279 16:02:19.884875  <4>[   52.022636] FS:  00007f44f5d28580(0000) GS:ffff9efd3ac80000(0000) knlGS:0000000000000000

 5280 16:02:19.885447   kernel mode

 5281 16:02:19.898498  # [   42.879428] #PF: error_code(0x0011) - permiss<4>[   52.031971] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5282 16:02:19.904825  <4>[   52.044891] CR2: 00007f44f5b32000 CR3: 00000001045bc005 CR4: 00000000003706e0

 5283 16:02:19.907929  ions violation

 5284 16:02:19.914946  # [   42.885940] PGD 20629067 P4D 20629067 PUD 2<4>[   52.053156] Call Trace:

 5285 16:02:19.918368  062a063 PMD 800000001fe000e1 

 5286 16:02:19.924376  # [   42.893722] Oops: 0011 [#9] <4>[   52.062393]  ? __warn+0x80/0x110

 5287 16:02:19.931713  <4>[   52.072503]  ? refcount_warn_saturate+0xfb/0x110

 5288 16:02:19.932301  SMP PTI

 5289 16:02:19.940868  # [   42.904120] CPU: 2 PID: 1687 Comm: cat Tainted: G <4>[   52.077953]  ? report_bug+0x9e/0xc0

 5290 16:02:19.944113       D W         5.10.181-cip34 #1

 5291 16:02:19.950918  # [   42.913060] Hardware na<4>[   52.088351]  ? handle_bug+0x41/0x90

 5292 16:02:19.957235  <4>[   52.098753]  ? exc_invalid_op+0x14/0x70

 5293 16:02:19.960702  me: Google Rammus/Rammus, BIOS  09/04/2020

 5294 16:02:19.967133  # [   42.920158] RIP<4>[   52.103331]  ? asm_exc_invalid_op+0x12/0x20

 5295 16:02:19.970295  : 0010:lkdtm_rodata_do_nothing+0x0/0x10

 5296 16:02:19.980394  # [   42.926185] Code: <4>[   52.114512]  ? refcount_warn_saturate+0xfb/0x110

 5297 16:02:19.990755  ff ff f0 fb a0 a0 ff ff ff ff 8a 98 7f a1 ff ff ff ff 36 e3 a0 a<4>[   52.126175]  ? refcount_warn_saturate+0xfb/0x110

 5298 16:02:20.003685  0 ff ff ff ff 55 aa 55 aa 00 00 00 00 00 00 00 00 00 00 00 00 <e<4>[   52.137838]  lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61

 5299 16:02:20.013504  9> 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 54 68 69 73 20 6<4>[   52.149698]  direct_entry.cold+0x2c/0x38

 5300 16:02:20.014090  9

 5301 16:02:20.020466  # [   42.947460] RSP: 0018:ffffac21c22efe48 EFLAGS: 00010246

 5302 16:02:20.023046  <4>[   52.160585]  full_proxy_write+0x53/0x80

 5303 16:02:20.023602  

 5304 16:02:20.033366  # [   42.953575] RAX: 0000000000000033 RBX: 0000000000000000 RC<4>[   52.171377]  vfs_write+0xe7/0x3b0

 5305 16:02:20.040187  <4>[   52.181586]  ksys_write+0x68/0xf0

 5306 16:02:20.040758  X: 0000000000000000

 5307 16:02:20.049747  # [   42.961837] RDX: 0000000000000000 RSI:<4>[   52.185604]  do_syscall_64+0x30/0x40

 5308 16:02:20.056354  <4>[   52.196095]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 5309 16:02:20.059717   ffff9efd3ad1bf70 RDI: ffff9efd3ad1bf70

 5310 16:02:20.065913  # [   42.970097] RBP: f<4>[   52.202029] RIP: 0033:0x7f44f5c3e473

 5311 16:02:20.086140  <4>[   52.212522] 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

 5312 16:02:20.092163  fffffffa137ecc0 R08: 0000000000000000 R09: 0000000000000000

 5313 16:02:20.102636  # [<4>[   52.233801] RSP: 002b:00007ffd8d3e65c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5314 16:02:20.109121  <4>[   52.248762] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f44f5c3e473

 5315 16:02:20.125842     42.978357] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0<4>[   52.257026] RDX: 0000000000000016 RSI: 00007f44f5b32000 RDI: 0000000000000001

 5316 16:02:20.132028  <4>[   52.271501] RBP: 00007f44f5b32000 R08: 00007f44f5b31010 R09: 0000000000000000

 5317 16:02:20.141910  <4>[   52.279767] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5318 16:02:20.148134  <4>[   52.288031] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5319 16:02:20.151769  00000000000000c

 5320 16:02:20.157996  # [   42.986617] R13: ffffac21c22eff10 R14: fff<4>[   52.296298] irq event stamp: 0

 5321 16:02:20.164484  <4>[   52.306211] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5322 16:02:20.171233  fac21c22eff10 R15: ffff9efcc5f24000

 5323 16:02:20.180906  # [   42.994896] FS:  00007<4>[   52.313509] hardirqs last disabled at (0): [<ffffffff9f8fd844>] copy_process+0x664/0x1c60

 5324 16:02:20.190805  <4>[   52.329148] softirqs last  enabled at (0): [<ffffffff9f8fd844>] copy_process+0x664/0x1c60

 5325 16:02:20.204468  fc3aa0a0580(0000) GS:ffff9efd3ad00000(0000) knlGS:00000000000000<4>[   52.338577] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5326 16:02:20.210968  <4>[   52.352079] ---[ end trace ffd54ce207130e8e ]---

 5327 16:02:20.211585  00

 5328 16:02:20.220551  # [   43.004226] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080<6>[   52.357529] lkdtm: Negative detected: saturated

 5329 16:02:20.223953  050033

 5330 16:02:20.230404  # [   43.010935] CR2: ffffffffa137ecc0 CR3: 0000000105f8e004 CR4: 00000000003706e0

 5331 16:02:20.234029  # [   43.019196] Call Trace:

 5332 16:02:20.237234  # [   43.022216]  ? __die_body.cold+0x1a/0x1f

 5333 16:02:20.243562  # [   43.026886]  ? no_context+0x177/0x380

 5334 16:02:20.246806  # [   43.031265]  ? exc_page_fault+0xd7/0x170

 5335 16:02:20.253890  # [   43.035933]  ? asm_exc_page_fault+0x1e/0x30

 5336 16:02:20.256666  # [   43.040898]  ? execute_location+0x45/0x56

 5337 16:02:20.260224  # [   43.045662]  ? direct_entry.cold+0x2c/0x38

 5338 16:02:20.266562  # [   43.050525]  ? full_proxy_write+0x53/0x80

 5339 16:02:20.269883  # [   43.055290]  ? vfs_write+0xe7/0x3b0

 5340 16:02:20.272938  # [   43.059464]  ? ksys_write+0x68/0xf0

 5341 16:02:20.279973  # [   43.063667]  ? do_syscall_64+0x30/0x40

 5342 16:02:20.283299  # [   43.068141]  ? entry_SYSCALL_64_after_hwframe+0x61/0xc6

 5343 16:02:20.336072  # [   43.074270] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 5344 16:02:20.342346  # [   43.133267] CR2: ffffffffa137ecc0

 5345 16:02:20.345505  # [   43.137256] ---[ end trace ffd54ce207130e81 ]---

 5346 16:02:20.352077  # [   43.142693] RIP: 0010:lkdtm_BUG+0x5/0x10

 5347 16:02:20.372069  # [   43.147360] Code: 89 ff e8 4e e7 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44<6>[   52.506112] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE

 5348 16:02:20.384809   00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 6<6>[   52.520166] lkdtm: attempting bad refcount_dec_and_test() below zero

 5349 16:02:20.387977  0 57 e9 02

 5350 16:02:20.397877  # [   43.168633] RSP: 0018:ffffac21c131fe60 EFLAGS: <4>[   52.533796] ------------[ cut here ]------------

 5351 16:02:20.398394  00010286

 5352 16:02:20.410987  # [   43.174757] RAX: ffffffffa0379430 RBX: 0000000000<4>[   52.545449] refcount_t: underflow; use-after-free.

 5353 16:02:20.414442  000001 RCX: 0000000000000000

 5354 16:02:20.424362  # [   43.183019] RDX: 000000000000<4>[   52.557368] WARNING: CPU: 0 PID: 2167 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110

 5355 16:02:20.430947  0000 RSI: ffff9efd3ad9bf70 RDI: ffffffffa137e830

 5356 16:02:20.483177  # [   43.19127<4>[   52.573255] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 5357 16:02:20.499898  0] RBP: ffffffffa185db78 R08: 0000000000000001 R09: 000000000000<4>[   52.632294] CPU: 0 PID: 2167 Comm: cat Tainted: G      D W         5.10.181-cip34 #1

 5358 16:02:20.500484  0001

 5359 16:02:20.513560  # [   43.199529] R10: 00000000ffffe000 R11: 3fffffffffffff<4>[   52.647443] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5360 16:02:20.515933  ff R12: 0000000000000004

 5361 16:02:20.526011  # [   43.207789] R13: ffffac21c131ff10<4>[   52.660743] RIP: 0010:refcount_warn_saturate+0xba/0x110

 5362 16:02:20.529313   R14: ffffac21c131ff10 R15: ffff9efcc43c9000

 5363 16:02:20.552064  # [   43.216049] F<4>[   52.673081] Code: 01 01 e8 e0 fd c0 00 0f 0b c3 cc cc cc cc 80 3d c6 f2 f6 01 00 75 85 48 c7 c7 c0 46 75 a1 c6 05 b6 f2 f6 01 01 e8 bd fd c0 00 <0f> 0b c3 cc cc cc cc 80 3d a1 f2 f6 01 00 0f 85 5e ff ff ff 48 c7

 5364 16:02:20.565839  S:  00007fc3aa0a0580(0000) GS:ffff9efd3ad00000(0000) knlGS:00000<4>[   52.700570] RSP: 0018:ffffac21c2af7e40 EFLAGS: 00010286

 5365 16:02:20.566438  00000000000

 5366 16:02:20.578600  # [   43.225377] CS:  0010 DS: 0000 ES: 0000 CR0: 0<4>[   52.712936] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000

 5367 16:02:20.582520  000000080050033

 5368 16:02:20.595349  # [   43.232084] CR2: ffffffffa137ecc0 CR3: 000<4>[   52.727389] RDX: ffff9efd3ac2c660 RSI: ffff9efd3ac1bf70 RDI: ffff9efd3ac1bf70

 5369 16:02:20.598020  0000105f8e004 CR4: 00000000003706e0

 5370 16:02:20.608235  # EXEC_RODATA: saw 'call tr<4>[   52.741897] RBP: ffffffffa17f9360 R08: 0000000000000000 R09: 0000000000000000

 5371 16:02:20.611150  ace:': ok

 5372 16:02:20.614779  ok 34 selftests: lkdtm: EXEC_RODATA.sh

 5373 16:02:20.624227  # selftests: <4>[   52.756359] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f

 5374 16:02:20.624826  lkdtm: EXEC_USERSPACE.sh

 5375 16:02:20.627707  # Killed

 5376 16:02:20.637548  # [   43.342773] lkdtm: Perf<4>[   52.770869] R13: ffffac21c2af7f10 R14: ffffac21c2af7f10 R15: ffff9efcc26d7000

 5377 16:02:20.640975  orming direct entry EXEC_USERSPACE

 5378 16:02:20.654736  # [   43.352390] lkdtm: atte<4>[   52.785329] FS:  00007f5cb979e580(0000) GS:ffff9efd3ac00000(0000) knlGS:0000000000000000

 5379 16:02:20.657248  mpting ok execution at ffffffffa0379800

 5380 16:02:20.667200  # [   43.359219] lkdtm:<4>[   52.800889] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5381 16:02:20.670557   attempting bad execution at 00007f2b77b9c000

 5382 16:02:20.680378  # [   43.372330] <4>[   52.813822] CR2: 00007f5cb95a8000 CR3: 0000000102998006 CR4: 00000000003706f0

 5383 16:02:20.687021  unable to execute userspace code (SMEP?) (uid: 0)

 5384 16:02:20.690334  # [   43.3790<4>[   52.828326] Call Trace:

 5385 16:02:20.700004  69] BUG: unable to handle page fault for address: 00007f2b77b9c0<4>[   52.837547]  ? __warn+0x80/0x110

 5386 16:02:20.700576  00

 5387 16:02:20.713247  # [   43.387031] #PF: supervisor instruction fetch in kernel<4>[   52.847684]  ? refcount_warn_saturate+0xba/0x110

 5388 16:02:20.713822   mode

 5389 16:02:20.723373  # [   43.393640] #PF: error_code(0x0011) - permissions vi<4>[   52.859327]  ? report_bug+0x9e/0xc0

 5390 16:02:20.723853  olation

 5391 16:02:20.732977  # [   43.400154] PGD 8000000103bbd067 P4D 8000000103bbd<4>[   52.869752]  ? handle_bug+0x41/0x90

 5392 16:02:20.735990  067 PUD 1047e7067 PMD 105f8a067 PTE 107b36067

 5393 16:02:20.742795  # [   43.410167] <4>[   52.880136]  ? exc_invalid_op+0x14/0x70

 5394 16:02:20.746163  Oops: 0011 [#10] SMP PTI

 5395 16:02:20.756302  # [   43.414448] CPU: 3 PID: 1723 Comm<4>[   52.890957]  ? asm_exc_invalid_op+0x12/0x20

 5396 16:02:20.759317  : cat Tainted: G      D W         5.10.181-cip34 #1

 5397 16:02:20.765806  # [   43.42<4>[   52.902120]  ? refcount_warn_saturate+0xba/0x110

 5398 16:02:20.772167  3390] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5399 16:02:20.778852  # [<4>[   52.913788]  __refcount_sub_and_test.constprop.0+0x3c/0x50

 5400 16:02:20.782360     43.430487] RIP: 0010:0x7f2b77b9c000

 5401 16:02:20.792187  # [   43.434767] Code: U<4>[   52.926437]  lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78

 5402 16:02:20.798686  nable to access opcode bytes at RIP 0x7f2b77b9bfd6.

 5403 16:02:20.801898  # [   43.44<4>[   52.939173]  direct_entry.cold+0x2c/0x38

 5404 16:02:20.808261  2348] RSP: 0018:ffffac21c2387e50 EFLAGS: 00010246

 5405 16:02:20.814962  # [   43.4484<4>[   52.950047]  full_proxy_write+0x53/0x80

 5406 16:02:20.824759  89] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 00000000000<4>[   52.960848]  vfs_write+0xe7/0x3b0

 5407 16:02:20.825321  00000

 5408 16:02:20.834719  # [   43.456749] RDX: 0000000000000000 RSI: ffff9efd3ad9b<4>[   52.971049]  ksys_write+0x68/0xf0

 5409 16:02:20.837855  f70 RDI: ffff9efd3ad9bf70

 5410 16:02:20.844241  # [   43.465011] RBP: 00007f2b77b9c00<4>[   52.981292]  do_syscall_64+0x30/0x40

 5411 16:02:20.847530  0 R08: 0000000000000000 R09: 0000000000000000

 5412 16:02:20.857711  # [   43.473273] <4>[   52.991766]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 5413 16:02:20.867444  R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000<4>[   53.003917] RIP: 0033:0x7f5cb96b4473

 5414 16:02:20.867963  f

 5415 16:02:20.893628  # [   43.481533] R13: ffffac21c2387f10 R14: ffffac21c2387f10 <4>[   53.014440] 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

 5416 16:02:20.897108  R15: ffff9efcc5f8e000

 5417 16:02:20.910494  # [   43.489796] FS:  00007f2b77b6d580(00<4>[   53.041948] RSP: 002b:00007ffdab443b68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5418 16:02:20.913413  00) GS:ffff9efd3ad80000(0000) knlGS:0000000000000000

 5419 16:02:20.923030  # [   43.4<4>[   53.056896] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f5cb96b4473

 5420 16:02:20.929770  99126] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5421 16:02:20.939618  # [   <4>[   53.071387] RDX: 000000000000001f RSI: 00007f5cb95a8000 RDI: 0000000000000001

 5422 16:02:20.953006  43.505832] CR2: 00007f2b77b9c000 CR3: 0000000102660004 CR4: 0000<4>[   53.085861] RBP: 00007f5cb95a8000 R08: 00007f5cb95a7010 R09: 0000000000000000

 5423 16:02:20.953598  0000003706e0

 5424 16:02:20.956185  # [   43.514094] Call Trace:

 5425 16:02:20.965990  # [   43.517115]  ? <4>[   53.100374] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5426 16:02:20.969377  __die_body.cold+0x1a/0x1f

 5427 16:02:20.982250  # [   43.521784]  ? no_context+0x177/<4>[   53.114866] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5428 16:02:20.982804  0x380

 5429 16:02:20.985556  # [   43.526164]  ? exc_page_fault+0x53/0x170

 5430 16:02:20.992172  # [   43.5<4>[   53.129376] irq event stamp: 0

 5431 16:02:20.995358  30834]  ? asm_exc_page_fault+0x1e/0x30

 5432 16:02:21.005169  # [   43.535798]  ? lkdt<4>[   53.139288] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5433 16:02:21.008415  m_EXEC_USERSPACE.cold+0x66/0xae

 5434 16:02:21.021868  # [   43.541443]  ? direct_entr<4>[   53.152813] hardirqs last disabled at (0): [<ffffffff9f8fd844>] copy_process+0x664/0x1c60

 5435 16:02:21.022357  y.cold+0x2c/0x38

 5436 16:02:21.038702  # [   43.546308]  ? full_proxy_write+0x53/0x80<4>[   53.168453] softirqs last  enabled at (0): [<ffffffff9f8fd844>] copy_process+0x664/0x1c60

 5437 16:02:21.039250  

 5438 16:02:21.041643  # [   43.551075]  ? vfs_write+0xe7/0x3b0

 5439 16:02:21.050856  # [   43.555258]  ? <4>[   53.184110] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5440 16:02:21.051427  ksys_write+0x68/0xf0

 5441 16:02:21.060692  # [   43.559441]  ? do_syscall_64+0x30/0x4<4>[   53.197617] ---[ end trace ffd54ce207130e8f ]---

 5442 16:02:21.061225  0

 5443 16:02:21.067111  # [   43.563915]  ? entry_SYSCALL_64_after_hwframe+0x61/0xc6

 5444 16:02:21.073834  <6>[   53.209315] lkdtm: Negative detected: saturated

 5445 16:02:21.073957  

 5446 16:02:21.126295  # [   43.570042] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 5447 16:02:21.129540  # [   43.622837] CR2: 00007f2b77b9c000

 5448 16:02:21.135689  # [   43.633036] ---[ end trace ffd54ce207130e82 ]---

 5449 16:02:21.139492  # [   43.638491] RIP: 0010:lkdtm_BUG+0x5/0x10

 5450 16:02:21.162150  # [   43.643151] Code: 89 ff e8 4e e7 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 57 e9 02

 5451 16:02:21.165416  # [   43.664413] RSP: 0018:ffffac21c131fe60 EFLAGS: 00010286

 5452 16:02:21.175452  # [   43.670537] RAX: ffffffffa0379430 RBX: 0000000000000001 RCX: 0000000000000000

 5453 16:02:21.182008  # [   43.678798] RDX: 0000000000000000 RSI: ffff9efd3ad9bf70 RDI: ffffffffa137e830

 5454 16:02:21.192036  # [   43.687058] RBP: ffffffffa185db78 R08: 0000000000000001 R09: 0000000000000001

 5455 16:02:21.205035  # [   43.695317] R10: 00000000ffffe000 R11: 3fffffffffffffff R1<6>[   53.340620] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE

 5456 16:02:21.211331  <6>[   53.353021] lkdtm: attempting bad refcount_sub_and_test() below zero

 5457 16:02:21.218485  <4>[   53.360451] ------------[ cut here ]------------

 5458 16:02:21.221562  2: 0000000000000004

 5459 16:02:21.230994  # [   43.703578] R13: ffffac21c131ff10 R14:<4>[   53.365902] refcount_t: underflow; use-after-free.

 5460 16:02:21.240866  <4>[   53.377787] WARNING: CPU: 3 PID: 2202 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110

 5461 16:02:21.244432   ffffac21c131ff10 R15: ffff9efcc43c9000

 5462 16:02:21.300413  # [   43.711838] FS:  0<4>[   53.387515] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 5463 16:02:21.307399  <4>[   53.446499] CPU: 3 PID: 2202 Comm: cat Tainted: G      D W         5.10.181-cip34 #1

 5464 16:02:21.313356  <4>[   53.455488] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5465 16:02:21.320788  <4>[   53.462622] RIP: 0010:refcount_warn_saturate+0xba/0x110

 5466 16:02:21.342943  <4>[   53.468753] Code: 01 01 e8 e0 fd c0 00 0f 0b c3 cc cc cc cc 80 3d c6 f2 f6 01 00 75 85 48 c7 c7 c0 46 75 a1 c6 05 b6 f2 f6 01 01 e8 bd fd c0 00 <0f> 0b c3 cc cc cc cc 80 3d a1 f2 f6 01 00 0f 85 5e ff ff ff 48 c7

 5467 16:02:21.350218  <4>[   53.490035] RSP: 0018:ffffac21c2b77e40 EFLAGS: 00010286

 5468 16:02:21.356665  <4>[   53.496164] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000

 5469 16:02:21.372023  0007f2b77b6d580(0000) GS:ffff9efd3ad80000(0000) knlGS:0000000000<4>[   53.504430] RDX: ffff9efd3adac660 RSI: ffff9efd3ad9bf70 RDI: ffff9efd3ad9bf70

 5470 16:02:21.372145  000000

 5471 16:02:21.385287  # [   43.721168] CS:  0010 DS: 0000 ES: 0000 CR0: 000000<4>[   53.518913] RBP: ffffffffa17f9380 R08: 0000000000000000 R09: 0000000000000000

 5472 16:02:21.394914  <4>[   53.533396] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f

 5473 16:02:21.395006  0080050033

 5474 16:02:21.408253  # [   43.727875] CR2: 00007f2b77b9c000 CR3: 00000001<4>[   53.541661] R13: ffffac21c2b77f10 R14: ffffac21c2b77f10 R15: ffff9efcc4283000

 5475 16:02:21.418249  <4>[   53.556141] FS:  00007f074e3b3580(0000) GS:ffff9efd3ad80000(0000) knlGS:0000000000000000

 5476 16:02:21.425300  <4>[   53.565486] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5477 16:02:21.431624  <4>[   53.572228] CR2: 00007f074e1bd000 CR3: 0000000104a06004 CR4: 00000000003706e0

 5478 16:02:21.434524  <4>[   53.580504] Call Trace:

 5479 16:02:21.441289  <4>[   53.583546]  ? __warn+0x80/0x110

 5480 16:02:21.441468  02660004 CR4: 00000000003706e0

 5481 16:02:21.451131  # [   43.736137] BUG: sleeping f<4>[   53.587457]  ? refcount_warn_saturate+0xba/0x110

 5482 16:02:21.454541  <4>[   53.599113]  ? report_bug+0x9e/0xc0

 5483 16:02:21.461489  <4>[   53.603325]  ? handle_bug+0x41/0x90

 5484 16:02:21.464624  <4>[   53.607511]  ? exc_invalid_op+0x14/0x70

 5485 16:02:21.470797  <4>[   53.612085]  ? asm_exc_invalid_op+0x12/0x20

 5486 16:02:21.474131  <4>[   53.617051]  ? refcount_warn_saturate+0xba/0x110

 5487 16:02:21.481000  <4>[   53.622526]  __refcount_sub_and_test.constprop.0+0x3c/0x50

 5488 16:02:21.487330  <4>[   53.628945]  lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b

 5489 16:02:21.493862  <4>[   53.635463]  direct_entry.cold+0x2c/0x38

 5490 16:02:21.496942  <4>[   53.640136]  full_proxy_write+0x53/0x80

 5491 16:02:21.500663  <4>[   53.644712]  vfs_write+0xe7/0x3b0

 5492 16:02:21.503466  <4>[   53.648705]  ksys_write+0x68/0xf0

 5493 16:02:21.510378  <4>[   53.652698]  do_syscall_64+0x30/0x40

 5494 16:02:21.517030  <4>[   53.656981]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 5495 16:02:21.520241  <4>[   53.662915] RIP: 0033:0x7f074e2c9473

 5496 16:02:21.539945  <4>[   53.667198] 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

 5497 16:02:21.550455  <4>[   53.688492] RSP: 002b:00007fff5f6abba8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5498 16:02:21.556593  <4>[   53.697276] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f074e2c9473

 5499 16:02:21.566486  <4>[   53.705540] RDX: 000000000000001f RSI: 00007f074e1bd000 RDI: 0000000000000001

 5500 16:02:21.573407  <4>[   53.713805] RBP: 00007f074e1bd000 R08: 00007f074e1bc010 R09: 0000000000000000

 5501 16:02:21.582824  <4>[   53.722068] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5502 16:02:21.593135  <4>[   53.730322] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5503 16:02:21.595886  <4>[   53.738590] irq event stamp: 0

 5504 16:02:21.603036  <4>[   53.742290] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5505 16:02:21.612417  <4>[   53.749585] hardirqs last disabled at (0): [<ffffffff9f8fd844>] copy_process+0x664/0x1c60

 5506 16:02:21.622775  <4>[   53.759015] softirqs last  enabled at (0): [<ffffffff9f8fd844>] copy_process+0x664/0x1c60

 5507 16:02:21.629219  <4>[   53.768446] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5508 16:02:21.638751  unction called from invalid context at include/linux/percpu-rwse<4>[   53.775742] ---[ end trace ffd54ce207130e90 ]---

 5509 16:02:21.645395  <6>[   53.787402] lkdtm: Negative detected: saturated

 5510 16:02:21.645831  m.h:49

 5511 16:02:21.655345  # [   43.746341] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1723, name: cat

 5512 16:02:21.658513  # [   43.755087] INFO: lockdep is turned off.

 5513 16:02:21.662268  # [   43.759755] irq event stamp: 0

 5514 16:02:21.671487  # [   43.763453] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5515 16:02:21.678192  # [   43.770734] hardirqs last disabled at (0): [<ffffffff9f8fd844>] copy_process+0x664/0x1c60

 5516 16:02:21.688070  # [   43.780162] softirqs last  enabled at (0): [<ffffffff9f8fd844>] copy_process+0x664/0x1c60

 5517 16:02:21.694845  # [   43.789580] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5518 16:02:21.704101  # [   43.796860] CPU: 3 PID: 1723 Comm: cat Tainted: G      D W         5.10.181-cip34 #1

 5519 16:02:21.711245  # [   43.805800] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5520 16:02:21.714013  # [   43.812894] Call Trace:

 5521 16:02:21.717298  # [   43.815912]  dump_stack+0x77/0x9b

 5522 16:02:21.724109  # [   43.819901]  ___might_sleep.cold+0xa6/0xb6

 5523 16:02:21.727147  # [   43.824765]  exit_signals+0x1c/0x300

 5524 16:02:21.730430  # [   43.829045]  do_exit+0xc2/0xab0

 5525 16:02:21.734127  # [   43.832831]  ? ksys_write+0x68/0xf0

 5526 16:02:21.740672  # [   43.837006]  make_task_dead+0x2f/0x30

 5527 16:02:21.743812  # [   43.841382]  rewind_stack_and_make_dead+0x17/0x20

 5528 16:02:21.750205  # [   43.846924] RIP: 0033:0x7f2b77a83473

 5529 16:02:21.776839  # [   43.851203] 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 <6>[   53.912741] lkdtm: Performing direct entry REFCOUNT_INC_ZERO

 5530 16:02:21.783337  <6>[   53.923715] lkdtm: attempting safe refcount_inc_not_zero() from zero

 5531 16:02:21.786431  <6>[   53.931121] lkdtm: Good: zero detected

 5532 16:02:21.793033  <6>[   53.935608] lkdtm: Correctly stayed at zero

 5533 16:02:21.793163  24 18

 5534 16:02:21.805896  # [   43.872487] RSP: 002b:00007ffd9afc9ca8 EFLAGS: 00000<6>[   53.940570] lkdtm: attempting bad refcount_inc() from zero

 5535 16:02:21.809246  <4>[   53.953202] ------------[ cut here ]------------

 5536 16:02:21.812786  246 ORIG_RAX: 0000000000000001

 5537 16:02:21.822790  # [   43.881232] RAX: ffffffffff<4>[   53.958651] refcount_t: addition on 0; use-after-free.

 5538 16:02:21.832331  <4>[   53.970925] WARNING: CPU: 3 PID: 2234 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110

 5539 16:02:21.838959  ffffda RBX: 000000000000000f RCX: 00007f2b77a83473

 5540 16:02:21.891803  # [   43.889<4>[   53.980655] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 5541 16:02:21.901947  <4>[   54.039643] CPU: 3 PID: 2234 Comm: cat Tainted: G      D W         5.10.181-cip34 #1

 5542 16:02:21.915000  492] RDX: 000000000000000f RSI: 00007f2b77977000 RDI: 0000000000<4>[   54.048605] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5543 16:02:21.921704  <4>[   54.061916] RIP: 0010:refcount_warn_saturate+0x74/0x110

 5544 16:02:21.941192  <4>[   54.068076] Code: 01 01 e8 26 fe c0 00 0f 0b c3 cc cc cc cc 80 3d 0d f3 f6 01 00 75 cb 48 c7 c7 90 46 75 a1 c6 05 fd f2 f6 01 01 e8 03 fe c0 00 <0f> 0b c3 cc cc cc cc 80 3d ec f2 f6 01 00 75 a8 48 c7 c7 68 46 75

 5545 16:02:21.947558  <4>[   54.089359] RSP: 0018:ffffac21c2be7e48 EFLAGS: 00010286

 5546 16:02:21.957430  <4>[   54.095491] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000

 5547 16:02:21.964219  <4>[   54.103759] RDX: ffff9efd3adac660 RSI: ffff9efd3ad9bf70 RDI: ffff9efd3ad9bf70

 5548 16:02:21.974115  <4>[   54.112026] RBP: ffffffffa17f9721 R08: 0000000000000000 R09: 0000000000000000

 5549 16:02:21.980351  <4>[   54.120292] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012

 5550 16:02:21.990357  <4>[   54.128557] R13: ffffac21c2be7f10 R14: ffffac21c2be7f10 R15: ffff9efcc4287000

 5551 16:02:21.999954  <4>[   54.136825] FS:  00007fe69897c580(0000) GS:ffff9efd3ad80000(0000) knlGS:0000000000000000

 5552 16:02:22.006602  <4>[   54.146159] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5553 16:02:22.013384  <4>[   54.152890] CR2: 00007fe698786000 CR3: 00000001029cc001 CR4: 00000000003706e0

 5554 16:02:22.016510  <4>[   54.161155] Call Trace:

 5555 16:02:22.019742  <4>[   54.164181]  ? __warn+0x80/0x110

 5556 16:02:22.026091  <4>[   54.168106]  ? refcount_warn_saturate+0x74/0x110

 5557 16:02:22.029396  <4>[   54.173558]  ? report_bug+0x9e/0xc0

 5558 16:02:22.032716  <4>[   54.177777]  ? handle_bug+0x41/0x90

 5559 16:02:22.039809  <4>[   54.181964]  ? exc_invalid_op+0x14/0x70

 5560 16:02:22.042800  <4>[   54.186539]  ? asm_exc_invalid_op+0x12/0x20

 5561 16:02:22.049706  <4>[   54.191508]  ? refcount_warn_saturate+0x74/0x110

 5562 16:02:22.056426  <4>[   54.196989]  ? refcount_warn_saturate+0x74/0x110

 5563 16:02:22.059168  <4>[   54.202446]  lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1

 5564 16:02:22.062309  000001

 5565 16:02:22.072804  # [   43.897752] RBP: 00007f2b77977000 R08: 00007f2b7797<4>[   54.207702]  direct_entry.cold+0x2c/0x38

 5566 16:02:22.075479  <4>[   54.218586]  full_proxy_write+0x53/0x80

 5567 16:02:22.078743  <4>[   54.223192]  vfs_write+0xe7/0x3b0

 5568 16:02:22.082180  6010 R09: 0000000000000000

 5569 16:02:22.088761  # [   43.906013] R10: fffffffffffffb<4>[   54.227209]  ksys_write+0x68/0xf0

 5570 16:02:22.095229  c5 R11: 0000000000000246 R12: 0000000000000001

 5571 16:02:22.101967  # [   43.914274]<4>[   54.237416]  do_syscall_64+0x30/0x40

 5572 16:02:22.111484   R13: 0000000000000001 R14: 0000000000020000 R15: 00000000000200<4>[   54.247916]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 5573 16:02:22.118077  <4>[   54.260070] RIP: 0033:0x7fe698892473

 5574 16:02:22.137831  <4>[   54.264384] 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

 5575 16:02:22.148077  <4>[   54.285669] RSP: 002b:00007ffc03744988 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5576 16:02:22.154773  <4>[   54.294442] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fe698892473

 5577 16:02:22.164842  <4>[   54.302708] RDX: 0000000000000012 RSI: 00007fe698786000 RDI: 0000000000000001

 5578 16:02:22.170942  <4>[   54.310974] RBP: 00007fe698786000 R08: 00007fe698785010 R09: 0000000000000000

 5579 16:02:22.180743  <4>[   54.319242] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5580 16:02:22.187206  <4>[   54.327508] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5581 16:02:22.190899  <4>[   54.335780] irq event stamp: 0

 5582 16:02:22.200421  <4>[   54.339510] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5583 16:02:22.207508  <4>[   54.346808] hardirqs last disabled at (0): [<ffffffff9f8fd844>] copy_process+0x664/0x1c60

 5584 16:02:22.217008  <4>[   54.356240] softirqs last  enabled at (0): [<ffffffff9f8fd844>] copy_process+0x664/0x1c60

 5585 16:02:22.226699  <4>[   54.365672] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5586 16:02:22.230047  <4>[   54.372967] ---[ end trace ffd54ce207130e91 ]---

 5587 16:02:22.236360  <6>[   54.378415] lkdtm: Zero detected: saturated

 5588 16:02:22.236621  00

 5589 16:02:22.239754  # EXEC_USERSPACE: saw 'call trace:': ok

 5590 16:02:22.243148  ok 35 selftests: lkdtm: EXEC_USERSPACE.sh

 5591 16:02:22.246310  # selftests: lkdtm: EXEC_NULL.sh

 5592 16:02:22.249605  # Killed

 5593 16:02:22.252876  # [   44.133417] lkdtm: Performing direct entry EXEC_NULL

 5594 16:02:22.259851  # [   44.139726] lkdtm: attempting ok execution at ffffffffa0379800

 5595 16:02:22.266444  # [   44.146535] lkdtm: attempting bad execution at 0000000000000000

 5596 16:02:22.276073  # [   44.159657] BUG: kernel NULL pointer dereference, address: 0000000000000000

 5597 16:02:22.283047  # [   44.173932] #PF: supervisor instruction fetch in kernel mode

 5598 16:02:22.289456  # [   44.180542] #PF: error_code(0x0010) - not-present page

 5599 16:02:22.292480  # [   44.186569] PGD 0 P4D 0 

 5600 16:02:22.295618  # [   44.189685] Oops: 0010 [#11] SMP PTI

 5601 16:02:22.305880  # [   44.193965] CPU: 1 PID: 1759 Comm: cat Tainted: G      D W         5.10.181-cip34 #1

 5602 16:02:22.312454  # [   44.202906] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5603 16:02:22.315954  # [   44.210004] RIP: 0010:0x0

 5604 16:02:22.322484  # [   44.213216] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6.

 5605 16:02:22.328895  # [   44.221185] RSP: 0018:ffffac21c242fe48 EFLAGS: 00010246

 5606 16:02:22.335476  # [   44.227302] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000

 5607 16:02:22.345286  # [   44.235566] RDX: 0000000000000000 RSI: ffff9efd3ac9bf70 RDI: ffff9efd3ac9bf70

 5608 16:02:22.351708  # [   44.243820] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000

 5609 16:02:22.361663  # [   44.252<6>[   54.501254] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO

 5610 16:02:22.374783  083] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000<6>[   54.508161] lkdtm: attempting safe refcount_add_not_zero() from zero

 5611 16:02:22.374874  00000a

 5612 16:02:22.384612  # [   44.260337] R13: ffffac21c242ff10 R14: ffffac21c242<6>[   54.521768] lkdtm: Good: zero detected

 5613 16:02:22.387813  ff10 R15: ffff9efcc2663000

 5614 16:02:22.394719  # [   44.268599] FS:  00007ff9792ca5<6>[   54.532457] lkdtm: Correctly stayed at zero

 5615 16:02:22.401221  80(0000) GS:ffff9efd3ac80000(0000) knlGS:0000000000000000

 5616 16:02:22.407639  # [  <6>[   54.543671] lkdtm: attempting bad refcount_add() from zero

 5617 16:02:22.414144   44.277930] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5618 16:02:22.420657  #<4>[   54.556281] ------------[ cut here ]------------

 5619 16:02:22.430726   [   44.284637] CR2: ffffffffffffffd6 CR3: 0000000105fb6004 CR4:<4>[   54.567987] refcount_t: addition on 0; use-after-free.

 5620 16:02:22.434774   00000000003706e0

 5621 16:02:22.437506  # [   44.292899] Call Trace:

 5622 16:02:22.447840  # [   44.295921<4>[   54.580255] WARNING: CPU: 0 PID: 2266 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110

 5623 16:02:22.450982  ]  ? __die_body.cold+0x1a/0x1f

 5624 16:02:22.506633  # [   44.306810]  ? no_context+0<4>[   54.596245] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 5625 16:02:22.510188  x177/0x380

 5626 16:02:22.513207  # [   44.311191]  ? exc_page_fault+0x53/0x170

 5627 16:02:22.523387  # [  <4>[   54.655217] CPU: 0 PID: 2266 Comm: cat Tainted: G      D W         5.10.181-cip34 #1

 5628 16:02:22.526223   44.322072]  ? asm_exc_page_fault+0x1e/0x30

 5629 16:02:22.536282  # [   44.327038]  e<4>[   54.670417] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5630 16:02:22.539528  xecute_location+0x45/0x56

 5631 16:02:22.549495  # [   44.337843]  direct_entry.cold+0<4>[   54.683734] RIP: 0010:refcount_warn_saturate+0x74/0x110

 5632 16:02:22.549945  x2c/0x38

 5633 16:02:22.552635  # [   44.342513]  full_proxy_write+0x53/0x80

 5634 16:02:22.576001  # [   44<4>[   54.696065] Code: 01 01 e8 26 fe c0 00 0f 0b c3 cc cc cc cc 80 3d 0d f3 f6 01 00 75 cb 48 c7 c7 90 46 75 a1 c6 05 fd f2 f6 01 01 e8 03 fe c0 00 <0f> 0b c3 cc cc cc cc 80 3d ec f2 f6 01 00 75 a8 48 c7 c7 68 46 75

 5635 16:02:22.579310  .347089]  vfs_write+0xe7/0x3b0

 5636 16:02:22.589416  # [   44.351080]  ksys_write+0x6<4>[   54.723563] RSP: 0018:ffffac21c2c67e48 EFLAGS: 00010286

 5637 16:02:22.589858  8/0xf0

 5638 16:02:22.592314  # [   44.355062]  do_syscall_64+0x30/0x40

 5639 16:02:22.602468  # [   44.3593<4>[   54.735914] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000

 5640 16:02:22.608779  44]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 5641 16:02:22.618681  # [   44.365276] <4>[   54.750425] RDX: ffff9efd3ac2c660 RSI: ffff9efd3ac1bf70 RDI: ffff9efd3ac1bf70

 5642 16:02:22.619129  RIP: 0033:0x7ff9791e0473

 5643 16:02:22.631615  # [   44.369557] Code: 8b 15 21 2a 0e <4>[   54.764888] RBP: ffffffffa17f9733 R08: 0000000000000000 R09: 0000000000000000

 5644 16:02:22.645191  00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 2<4>[   54.779396] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012

 5645 16:02:22.661142  5 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff <4>[   54.793878] R13: ffffac21c2c67f10 R14: ffffac21c2c67f10 R15: ffff9efcc5e51000

 5646 16:02:22.664443  ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5647 16:02:22.677984  # [   44.390<4>[   54.808353] FS:  00007fcff49df580(0000) GS:ffff9efd3ac00000(0000) knlGS:0000000000000000

 5648 16:02:22.690666  834] RSP: 002b:00007fffbd2078d8 EFLAGS: 00000246 ORIG_RAX: 00000<4>[   54.823910] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5649 16:02:22.690859  00000000001

 5650 16:02:22.703871  # [   44.399584] RAX: ffffffffffffffda RBX: 0000000<4>[   54.836873] CR2: 00007fcff47e9000 CR3: 0000000104776003 CR4: 00000000003706f0

 5651 16:02:22.707176  00000000a RCX: 00007ff9791e0473

 5652 16:02:22.713574  # [   44.407846] RDX: 000000000<4>[   54.851327] Call Trace:

 5653 16:02:22.716698  000000a RSI: 00007ff9790d4000 RDI: 0000000000000001

 5654 16:02:22.723718  # [   44.41<4>[   54.860610]  ? __warn+0x80/0x110

 5655 16:02:22.733933  6107] RBP: 00007ff9790d4000 R08: 00007ff9790d3010 R09: 000000000<4>[   54.870693]  ? refcount_warn_saturate+0x74/0x110

 5656 16:02:22.736528  0000000

 5657 16:02:22.747066  # [   44.424369] R10: fffffffffffffbc5 R11: 00000000000<4>[   54.882357]  ? report_bug+0x9e/0xc0

 5658 16:02:22.747526  00246 R12: 0000000000000001

 5659 16:02:22.756882  # [   44.432631] R13: 0000000000000<4>[   54.892748]  ? handle_bug+0x41/0x90

 5660 16:02:22.760123  001 R14: 0000000000020000 R15: 0000000000020000

 5661 16:02:22.766965  # [   44.440899<4>[   54.903142]  ? exc_invalid_op+0x14/0x70

 5662 16:02:22.776652  ] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_se<4>[   54.913929]  ? asm_exc_invalid_op+0x12/0x20

 5663 16:02:22.789770  nsors cros_ec_sensors_core industrialio_triggered_buffer kfifo_b<4>[   54.925116]  ? refcount_warn_saturate+0x74/0x110

 5664 16:02:22.799463  uf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_e<4>[   54.936800]  ? refcount_warn_saturate+0x74/0x110

 5665 16:02:22.812333  c_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_<4>[   54.948454]  lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1

 5666 16:02:22.823138  usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros<4>[   54.959927]  direct_entry.cold+0x2c/0x38

 5667 16:02:22.832563  _ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_ther<4>[   54.970885]  full_proxy_write+0x53/0x80

 5668 16:02:22.845677  mal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regma<4>[   54.981696]  vfs_write+0xe7/0x3b0

 5669 16:02:22.856039  p_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight c<4>[   54.991899]  ksys_write+0x68/0xf0

 5670 16:02:22.856629  oreboot_table

 5671 16:02:22.858879  # [   44.499867] CR2: 0000000000000000

 5672 16:02:22.865559  # [   44.<4>[   55.002114]  do_syscall_64+0x30/0x40

 5673 16:02:22.868880  503856] ---[ end trace ffd54ce207130e83 ]---

 5674 16:02:22.878377  # [   44.509305] R<4>[   55.012600]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 5675 16:02:22.882334  IP: 0010:lkdtm_BUG+0x5/0x10

 5676 16:02:22.888111  # [   44.513975] Code: 89 ff e8 4e <4>[   55.024752] RIP: 0033:0x7fcff48f5473

 5677 16:02:22.914735  e7 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc c<4>[   55.035292] 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

 5678 16:02:22.931031  c cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f <4>[   55.062816] RSP: 002b:00007ffe3527c8b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5679 16:02:22.937707  <4>[   55.077770] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fcff48f5473

 5680 16:02:22.944608  1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 57 e9 02

 5681 16:02:22.954108  # [   44.<4>[   55.086067] RDX: 0000000000000012 RSI: 00007fcff47e9000 RDI: 0000000000000001

 5682 16:02:22.957353  535243] RSP: 0018:ffffac21c131fe60 EFLAGS: 00010286

 5683 16:02:22.967356  # [   44.54<4>[   55.100555] RBP: 00007fcff47e9000 R08: 00007fcff47e8010 R09: 0000000000000000

 5684 16:02:22.977029  <4>[   55.115022] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5685 16:02:22.990170  1368] RAX: ffffffffa0379430 RBX: 0000000000000001 RCX: 000000000<4>[   55.123320] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5686 16:02:22.990768  0000000

 5687 16:02:22.999940  # [   44.549622] RDX: 0000000000000000 RSI: ffff9efd3ad<4>[   55.137819] irq event stamp: 0

 5688 16:02:23.003214  9bf70 RDI: ffffffffa137e830

 5689 16:02:23.013230  # [   44.557885] RBP: ffffffffa185d<4>[   55.147753] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5690 16:02:23.019726  b78 R08: 0000000000000001 R09: 0000000000000001

 5691 16:02:23.029987  # [   44.566148<4>[   55.161274] hardirqs last disabled at (0): [<ffffffff9f8fd844>] copy_process+0x664/0x1c60

 5692 16:02:23.045958  ] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000<4>[   55.176899] softirqs last  enabled at (0): [<ffffffff9f8fd844>] copy_process+0x664/0x1c60

 5693 16:02:23.046452  004

 5694 16:02:23.059427  # [   44.574410] R13: ffffac21c131ff10 R14: ffffac21c131ff1<4>[   55.192580] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5695 16:02:23.062553  0 R15: ffff9efcc43c9000

 5696 16:02:23.069370  # [   44.582695] FS:  00007ff9792ca580(<4>[   55.206134] ---[ end trace ffd54ce207130e92 ]---

 5697 16:02:23.075814  0000) GS:ffff9efd3ac80000(0000) knlGS:0000000000000000

 5698 16:02:23.082442  # [   44<6>[   55.217764] lkdtm: Zero detected: saturated

 5699 16:02:23.088879  .592026] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5700 16:02:23.095447  # [   44.598734] CR2: ffffffffffffffd6 CR3: 0000000105fb6004 CR4: 00000000003706e0

 5701 16:02:23.098850  # EXEC_NULL: saw 'call trace:': ok

 5702 16:02:23.102054  ok 36 selftests: lkdtm: EXEC_NULL.sh

 5703 16:02:23.105208  # selftests: lkdtm: ACCESS_USERSPACE.sh

 5704 16:02:23.108390  # Killed

 5705 16:02:23.115428  # [   44.714225] lkdtm: Performing direct entry ACCESS_USERSPACE

 5706 16:02:23.121747  # [   44.725462] lkdtm: attempting bad read at 00007f44695fe000

 5707 16:02:23.128602  # [   44.738078] BUG: unable to handle page fault for address: 00007f44695fe000

 5708 16:02:23.135338  # [   44.752233] #PF: supervisor read access in kernel mode

 5709 16:02:23.141824  # [   44.758250] #PF: error_code(0x0001) - permissions violation

 5710 16:02:23.151446  # [   44.764763] PGD 8000000105b5f067 P4D 8000000105b5f067 PUD 105dbf067 PMD 1034b6067 PTE 108de4067

 5711 16:02:23.154922  # [   44.774783] Oops: 0001 [#12] SMP PTI

 5712 16:02:23.164522  # [   44.779064] CPU: 0 PID: 1794 Comm: cat Tainted: G      D W         5.10.181-cip34 #1

 5713 16:02:23.171154  # [   44.788005] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5714 16:02:23.177533  # [   44.795105] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3

 5715 16:02:23.197753  # [   44.801623] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 a8 a5 7f a1 e8 ef d7 fb ff 48 c7 c7 d0 a5 7f a1 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 d6 d7 fb ff 48 89 ee 48 c7 c7 f8 a5 7f

 5716 16:02:23.204387  # [   44.822885] RSP: 0018:ffffac21c24efe48 EFLAGS: 00010246

 5717 16:02:23.213903  # [   44.829010] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000

 5718 16:02:23.220275  # [   44.837271] RDX: 0000000000000000 RSI: ffff9efd3ac1bf70 RDI: ffffffffa17fa5d0

 5719 16:02:23.227100  # [   44.845531] RBP: 00007f44695fe000 R08: 0000000000000000 R09: 0000000000000000

 5720 16:02:23.237016  # [   44.853792] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011

 5721 16:02:23.243570  # [   44.862051] R13: ffffac21c24eff10 R14: ffffac21c24eff10 R15: ffff9efcc3c72000

 5722 16:02:23.253487  # [   44.870312] FS:  00007f44695cf580(0000) GS:ffff9efd3ac00000(0000) knlGS:0000000000000000

 5723 16:02:23.259926  # [   44.879641] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5724 16:02:23.269760  # [   44.88<6>[   55.407390] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED

 5725 16:02:23.283375  6347] CR2: 00007f44695fe000 CR3: 0000000102664001 CR4: 000000000<6>[   55.416260] lkdtm: attempting bad refcount_inc() from saturated

 5726 16:02:23.283969  03706f0

 5727 16:02:23.286459  # [   44.894608] Call Trace:

 5728 16:02:23.293098  # [   44.897627]  ? __die<4>[   55.429382] ------------[ cut here ]------------

 5729 16:02:23.296253  _body.cold+0x1a/0x1f

 5730 16:02:23.306154  # [   44.902303]  ? no_context+0x177/0x380<4>[   55.441046] refcount_t: saturated; leaking memory.

 5731 16:02:23.306762  

 5732 16:02:23.309700  # [   44.906687]  ? exc_page_fault+0x53/0x170

 5733 16:02:23.322742  # [   44.911362<4>[   55.452960] WARNING: CPU: 1 PID: 2301 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110

 5734 16:02:23.325679  ]  ? asm_exc_page_fault+0x1e/0x30

 5735 16:02:23.381409  # [   44.916326]  ? lkdtm_ACC<4>[   55.468891] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 5736 16:02:23.384933  ESS_USERSPACE.cold+0x41/0xa3

 5737 16:02:23.394168  # [   44.922167]  ? lkdtm_ACCESS_U<4>[   55.527863] CPU: 1 PID: 2301 Comm: cat Tainted: G      D W         5.10.181-cip34 #1

 5738 16:02:23.397895  SERSPACE.cold+0x35/0xa3

 5739 16:02:23.407591  # [   44.928002]  direct_entry.cold+0x2<4>[   55.543026] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5740 16:02:23.411526  c/0x38

 5741 16:02:23.414122  # [   44.932673]  full_proxy_write+0x53/0x80

 5742 16:02:23.421187  # [   44.9<4>[   55.556340] RIP: 0010:refcount_warn_saturate+0x51/0x110

 5743 16:02:23.444033  <4>[   55.568685] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 31 f3 f6 01 00 75 ee 48 c7 c7 68 46 75 a1 c6 05 21 f3 f6 01 01 e8 26 fe c0 00 <0f> 0b c3 cc cc cc cc 80 3d 0d f3 f6 01 00 75 cb 48 c7 c7 90 46 75

 5744 16:02:23.444588  37250]  vfs_write+0xe7/0x3b0

 5745 16:02:23.453924  # [   44.941246]  ksys_write+0x68/<4>[   55.589989] RSP: 0018:ffffac21c2cefe48 EFLAGS: 00010286

 5746 16:02:23.456970  0xf0

 5747 16:02:23.460115  # [   44.945234]  do_syscall_64+0x30/0x40

 5748 16:02:23.470285  # [   44.949514<4>[   55.602309] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000

 5749 16:02:23.476994  <4>[   55.616789] RDX: ffff9efd3acac660 RSI: ffff9efd3ac9bf70 RDI: ffff9efd3ac9bf70

 5750 16:02:23.483444  ]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 5751 16:02:23.492908  # [   44.955437] RI<4>[   55.625057] RBP: ffffffffa17f9745 R08: 0000000000000000 R09: 0000000000000000

 5752 16:02:23.500084  <4>[   55.639531] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017

 5753 16:02:23.503343  P: 0033:0x7f44694e5473

 5754 16:02:23.516208  # [   44.959718] Code: 8b 15 21 2a 0e 00<4>[   55.647797] R13: ffffac21c2ceff10 R14: ffffac21c2ceff10 R15: ffff9efcc2656000

 5755 16:02:23.523095  <4>[   55.662274] FS:  00007f26f92ad580(0000) GS:ffff9efd3ac80000(0000) knlGS:0000000000000000

 5756 16:02:23.535925   f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 <4>[   55.671607] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5757 16:02:23.545393  <4>[   55.684530] CR2: 00007f26f90b7000 CR3: 0000000105bb2003 CR4: 00000000003706e0

 5758 16:02:23.555445  18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff<4>[   55.692798] Call Trace:

 5759 16:02:23.558646   77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5760 16:02:23.565416  # [   44.98099<4>[   55.702033]  ? __warn+0x80/0x110

 5761 16:02:23.571711  <4>[   55.712142]  ? refcount_warn_saturate+0x51/0x110

 5762 16:02:23.582163  3] RSP: 002b:00007ffd7c01f618 EFLAGS: 00000246 ORIG_RAX: 0000000<4>[   55.717592]  ? report_bug+0x9e/0xc0

 5763 16:02:23.582737  000000001

 5764 16:02:23.591814  # [   44.989741] RAX: ffffffffffffffda RBX: 000000000<4>[   55.727990]  ? handle_bug+0x41/0x90

 5765 16:02:23.594793  <4>[   55.738391]  ? exc_invalid_op+0x14/0x70

 5766 16:02:23.598338  0000011 RCX: 00007f44694e5473

 5767 16:02:23.608077  # [   44.998002] RDX: 00000000000<4>[   55.742966]  ? asm_exc_invalid_op+0x12/0x20

 5768 16:02:23.611387  00011 RSI: 00007f44693d9000 RDI: 0000000000000001

 5769 16:02:23.617892  # [   45.0062<4>[   55.754143]  ? refcount_warn_saturate+0x51/0x110

 5770 16:02:23.624339  <4>[   55.765807]  ? refcount_warn_saturate+0x51/0x110

 5771 16:02:23.634357  63] RBP: 00007f44693d9000 R08: 00007f44693d8010 R09: 00000000000<4>[   55.771283]  lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64

 5772 16:02:23.637703  00000

 5773 16:02:23.647607  # [   45.014525] R10: fffffffffffffbc5 R11: 0000000000000<4>[   55.783235]  direct_entry.cold+0x2c/0x38

 5774 16:02:23.650700  246 R12: 0000000000000001

 5775 16:02:23.657147  # [   45.022787] R13: 000000000000000<4>[   55.794124]  full_proxy_write+0x53/0x80

 5776 16:02:23.660499  1 R14: 0000000000020000 R15: 0000000000020000

 5777 16:02:23.667335  # [   45.031042] <4>[   55.804943]  vfs_write+0xe7/0x3b0

 5778 16:02:23.677440  Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sens<4>[   55.815139]  ksys_write+0x68/0xf0

 5779 16:02:23.686994  ors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf<4>[   55.825347]  do_syscall_64+0x30/0x40

 5780 16:02:23.693441  <4>[   55.835845]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 5781 16:02:23.703301   industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_<4>[   55.841782] RIP: 0033:0x7f26f91c3473

 5782 16:02:23.726728  <4>[   55.852275] 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

 5783 16:02:23.739861  debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_us<4>[   55.873559] RSP: 002b:00007ffe70e569f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5784 16:02:23.749617  <4>[   55.888520] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f26f91c3473

 5785 16:02:23.763161  bpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_e<4>[   55.896786] RDX: 0000000000000017 RSI: 00007f26f90b7000 RDI: 0000000000000001

 5786 16:02:23.772579  <4>[   55.911265] RBP: 00007f26f90b7000 R08: 00007f26f90b6010 R09: 0000000000000000

 5787 16:02:23.785652  c_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_therma<4>[   55.919531] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5788 16:02:23.795651  <4>[   55.934009] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5789 16:02:23.805447  l cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_<4>[   55.942280] irq event stamp: 0

 5790 16:02:23.818332  i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight cor<4>[   55.952190] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5791 16:02:23.818821  eboot_table

 5792 16:02:23.825359  # [   45.083812] CR2: 00007f44695fe000

 5793 16:02:23.834936  # [   45.08<4>[   55.965704] hardirqs last disabled at (0): [<ffffffff9f8fd844>] copy_process+0x664/0x1c60

 5794 16:02:23.838588  7801] ---[ end trace ffd54ce207130e84 ]---

 5795 16:02:23.848553  # [   45.093238] RIP<4>[   55.981355] softirqs last  enabled at (0): [<ffffffff9f8fd844>] copy_process+0x664/0x1c60

 5796 16:02:23.858041  <4>[   55.997005] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5797 16:02:23.861878  : 0010:lkdtm_BUG+0x5/0x10

 5798 16:02:23.867991  # [   45.097913] Code: 89 ff e8 4e e7<4>[   56.004301] ---[ end trace ffd54ce207130e93 ]---

 5799 16:02:23.874138  <6>[   56.015960] lkdtm: Saturation detected: still saturated

 5800 16:02:23.891046   79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 57 e9 02

 5801 16:02:23.897316  # [   45.119184] RSP: 0018:ffffac21c131fe60 EFLAGS: 00010286

 5802 16:02:23.907101  # [   45.125309] RAX: ffffffffa0379430 RBX: 0000000000000001 RCX: 0000000000000000

 5803 16:02:23.913583  # [   45.133559] RDX: 0000000000000000 RSI: ffff9efd3ad9bf70 RDI: ffffffffa137e830

 5804 16:02:23.923490  # [   45.141818] RBP: ffffffffa185db78 R08: 0000000000000001 R09: 0000000000000001

 5805 16:02:23.930116  # [   45.150079] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 5806 16:02:23.940181  # [   45.158340] R13: ffffac21c131ff10 R14: ffffac21c131ff10 R15: ffff9efcc43c9000

 5807 16:02:23.946727  # [   45.166599] FS:  00007f44695cf580(0000) GS:ffff9efd3ac00000(0000) knlGS:0000000000000000

 5808 16:02:23.953463  # [   45.175927] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5809 16:02:23.963581  # [   45.182625] CR2: 00007f44695fe000 CR3: 0000000102664001 CR4: 00000000003706f0

 5810 16:02:23.973011  # [   45.190884] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 5811 16:02:23.983057  # [   45.201086] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1794, name: cat

 5812 16:02:23.986531  # [   45.209822] INFO: lockdep is turned off.

 5813 16:02:23.990068  # [   45.214489] irq event stamp: 0

 5814 16:02:23.996137  # [   45.218185] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5815 16:02:24.006390  # [   45.225475] hardirqs last disabled at (0): [<ffffffff9f8fd844>] copy_process+0x664/0x1c60

 5816 16:02:24.015962  # [   45.234891] softirqs last  enabled at (0): [<ffffffff9f8fd844>] copy_process+0x664/0x1c60

 5817 16:02:24.022621  # [   45.244317] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5818 16:02:24.035921  # [   45.251597] CPU: 0 PID: 1794 Comm: cat Tainted: G      D W         5<6>[   56.174714] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED

 5819 16:02:24.039243  .10.181-cip34 #1

 5820 16:02:24.049183  # [   45.260535] Hardware name: Google Rammus/<6>[   56.184574] lkdtm: attempting bad refcount_dec() from saturated

 5821 16:02:24.051968  Rammus, BIOS  09/04/2020

 5822 16:02:24.056170  # [   45.267629] Call Trace:

 5823 16:02:24.062056  # [   45<4>[   56.197732] ------------[ cut here ]------------

 5824 16:02:24.065347  .270649]  dump_stack+0x77/0x9b

 5825 16:02:24.075435  # [   45.274642]  ___might_sleep<4>[   56.209372] refcount_t: decrement hit 0; leaking memory.

 5826 16:02:24.075973  .cold+0xa6/0xb6

 5827 16:02:24.081637  # [   45.279497]  exit_signals+0x1c/0x300

 5828 16:02:24.091387  # [ <4>[   56.221815] WARNING: CPU: 0 PID: 2336 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110

 5829 16:02:24.094702    45.283783]  do_exit+0xc2/0xab0

 5830 16:02:24.150935  # [   45.287577]  ? ksys_write<4>[   56.237796] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 5831 16:02:24.151531  +0x68/0xf0

 5832 16:02:24.154468  # [   45.291760]  make_task_dead+0x2f/0x30

 5833 16:02:24.164211  # [   45<4>[   56.296721] CPU: 0 PID: 2336 Comm: cat Tainted: G      D W         5.10.181-cip34 #1

 5834 16:02:24.170770  .296135]  rewind_stack_and_make_dead+0x17/0x20

 5835 16:02:24.177102  # [   45.301676]<4>[   56.311955] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5836 16:02:24.180585   RIP: 0033:0x7f44694e5473

 5837 16:02:24.190160  # [   45.305955] Code: 8b 15 21 2a 0e<4>[   56.325231] RIP: 0010:refcount_warn_saturate+0xfb/0x110

 5838 16:02:24.216952   00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 <4>[   56.337607] Code: 18 47 75 a1 c6 05 8d f2 f6 01 01 e8 96 fd c0 00 0f 0b c3 cc cc cc cc 48 c7 c7 e8 46 75 a1 c6 05 74 f2 f6 01 01 e8 7c fd c0 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b

 5839 16:02:24.230072  25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff<4>[   56.365060] RSP: 0018:ffffac21c2d87e48 EFLAGS: 00010286

 5840 16:02:24.236368   ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5841 16:02:24.243433  # [   45.32<4>[   56.377446] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000

 5842 16:02:24.259626  7217] RSP: 002b:00007ffd7c01f618 EFLAGS: 00000246 ORIG_RAX: 0000<4>[   56.391886] RDX: ffff9efd3ac2c660 RSI: ffff9efd3ac1bf70 RDI: ffff9efd3ac1bf70

 5843 16:02:24.260197  000000000001

 5844 16:02:24.273199  # [   45.335964] RAX: ffffffffffffffda RBX: 000000<4>[   56.406396] RBP: ffffffffa17f975c R08: 0000000000000000 R09: 0000000000000000

 5845 16:02:24.276166  0000000011 RCX: 00007f44694e5473

 5846 16:02:24.289754  # [   45.344214] RDX: 00000000<4>[   56.420855] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017

 5847 16:02:24.292327  00000011 RSI: 00007f44693d9000 RDI: 0000000000000001

 5848 16:02:24.302468  # [   45.3<4>[   56.435339] R13: ffffac21c2d87f10 R14: ffffac21c2d87f10 R15: ffff9efcc3d2d000

 5849 16:02:24.318698  52463] RBP: 00007f44693d9000 R08: 00007f44693d8010 R09: 00000000<4>[   56.449815] FS:  00007fc60cb5d580(0000) GS:ffff9efd3ac00000(0000) knlGS:0000000000000000

 5850 16:02:24.319360  00000000

 5851 16:02:24.331850  # [   45.360722] R10: fffffffffffffbc5 R11: 0000000000<4>[   56.465376] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5852 16:02:24.335093  000246 R12: 0000000000000001

 5853 16:02:24.344995  # [   45.368979] R13: 000000000000<4>[   56.478301] CR2: 00007fc60c967000 CR3: 0000000105f92005 CR4: 00000000003706f0

 5854 16:02:24.351881  0001 R14: 0000000000020000 R15: 0000000000020000

 5855 16:02:24.354946  # ACCESS_USERS<4>[   56.492785] Call Trace:

 5856 16:02:24.358378  PACE: saw 'call trace:': ok

 5857 16:02:24.364731  ok 37 selftests: lkdtm: ACCESS_USER<4>[   56.502026]  ? __warn+0x80/0x110

 5858 16:02:24.365300  SPACE.sh

 5859 16:02:24.368353  # selftests: lkdtm: ACCESS_NULL.sh

 5860 16:02:24.371233  # Killed

 5861 16:02:24.377841  # [   45<4>[   56.512149]  ? refcount_warn_saturate+0xfb/0x110

 5862 16:02:24.381084  .587652] lkdtm: Performing direct entry ACCESS_NULL

 5863 16:02:24.387610  # [   45.59<4>[   56.523807]  ? report_bug+0x9e/0xc0

 5864 16:02:24.391436  4622] lkdtm: attempting bad read at 0000000000000000

 5865 16:02:24.397363  # [   45.6<4>[   56.534213]  ? handle_bug+0x41/0x90

 5866 16:02:24.407434  07255] BUG: kernel NULL pointer dereference, address: 0000000000<4>[   56.544607]  ? exc_invalid_op+0x14/0x70

 5867 16:02:24.407921  000000

 5868 16:02:24.420237  # [   45.621513] #PF: supervisor read access in kernel m<4>[   56.555430]  ? asm_exc_invalid_op+0x12/0x20

 5869 16:02:24.420800  ode

 5870 16:02:24.430372  # [   45.627531] #PF: error_code(0x0000) - not-present page<4>[   56.566588]  ? refcount_warn_saturate+0xfb/0x110

 5871 16:02:24.430945  

 5872 16:02:24.433845  # [   45.633555] PGD 0 P4D 0 

 5873 16:02:24.443794  # [   45.636662] Oops: 0000 [#1<4>[   56.578246]  ? refcount_warn_saturate+0xfb/0x110

 5874 16:02:24.444374  3] SMP PTI

 5875 16:02:24.453727  # [   45.640933] CPU: 0 PID: 1829 Comm: cat Tainted:<4>[   56.589910]  lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f

 5876 16:02:24.456540   G      D W         5.10.181-cip34 #1

 5877 16:02:24.466763  # [   45.649862] Hardware<4>[   56.601886]  direct_entry.cold+0x2c/0x38

 5878 16:02:24.469968   name: Google Rammus/Rammus, BIOS  09/04/2020

 5879 16:02:24.476582  # [   45.656959] <4>[   56.612763]  full_proxy_write+0x53/0x80

 5880 16:02:24.480061  RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53

 5881 16:02:24.486249  # [   45.662496] Code: 93<4>[   56.623557]  vfs_write+0xe7/0x3b0

 5882 16:02:24.496008   d7 fb ff be 00 10 00 00 48 89 ef e8 35 65 0f ff e9 69 ff ff ff <4>[   56.633767]  ksys_write+0x68/0xf0

 5883 16:02:24.505985  0f 1f 44 00 00 53 31 f6 48 c7 c7 a8 a5 7f a1 e8 6d d7 fb ff <48><4>[   56.643998]  do_syscall_64+0x30/0x40

 5884 16:02:24.512739   8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 d0 a5 7f a1 48 01

 5885 16:02:24.518903  <4>[   56.654502]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 5886 16:02:24.519481  

 5887 16:02:24.525346  # [   45.683756] RSP: 0018:ffffac21c254fe58 EFLAGS: 00010246

 5888 16:02:24.528611  #<4>[   56.666671] RIP: 0033:0x7fc60ca73473

 5889 16:02:24.558518   [   45.689878] RAX: 000000000000002e RBX: 0000000000000027 RCX:<4>[   56.677147] 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

 5890 16:02:24.559089   0000000000000000

 5891 16:02:24.571934  # [   45.698137] RDX: 0000000000000000 RSI: f<4>[   56.704659] RSP: 002b:00007fff815aaf28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5892 16:02:24.575454  fff9efd3ac1bf70 RDI: ffff9efd3ac1bf70

 5893 16:02:24.585132  # [   45.706396] RBP: fff<4>[   56.719607] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fc60ca73473

 5894 16:02:24.591835  fffffa17f9699 R08: 0000000000000000 R09: 0000000000000000

 5895 16:02:24.601457  # [  <4>[   56.734130] RDX: 0000000000000017 RSI: 00007fc60c967000 RDI: 0000000000000001

 5896 16:02:24.614627   45.714655] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000<4>[   56.748575] RBP: 00007fc60c967000 R08: 00007fc60c966010 R09: 0000000000000000

 5897 16:02:24.617823  000000000000c

 5898 16:02:24.631361  # [   45.722904] R13: ffffac21c254ff10 R14: ffffa<4>[   56.763067] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5899 16:02:24.634505  c21c254ff10 R15: ffff9efcc30ad000

 5900 16:02:24.644203  # [   45.731164] FS:  00007f3<4>[   56.777542] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5901 16:02:24.654452  b188b7580(0000) GS:ffff9efd3ac00000(0000) knlGS:0000000000000000<4>[   56.792031] irq event stamp: 0

 5902 16:02:24.654929  

 5903 16:02:24.667873  # [   45.740482] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005<4>[   56.801941] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5904 16:02:24.668457  0033

 5905 16:02:24.683486  # [   45.747187] CR2: 0000000000000000 CR3: 0000000106c0c0<4>[   56.815436] hardirqs last disabled at (0): [<ffffffff9f8fd844>] copy_process+0x664/0x1c60

 5906 16:02:24.687136  01 CR4: 00000000003706f0

 5907 16:02:24.690460  # [   45.755448] Call Trace:

 5908 16:02:24.699738  # [   45<4>[   56.831113] softirqs last  enabled at (0): [<ffffffff9f8fd844>] copy_process+0x664/0x1c60

 5909 16:02:24.703444  .758469]  ? __die_body.cold+0x1a/0x1f

 5910 16:02:24.713196  # [   45.763135]  ? no_co<4>[   56.846753] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5911 16:02:24.713842  ntext+0x177/0x380

 5912 16:02:24.723563  # [   45.767521]  ? exc_page_fault+0x53/0x170<4>[   56.860266] ---[ end trace ffd54ce207130e94 ]---

 5913 16:02:24.724053  

 5914 16:02:24.729718  # [   45.772186]  ? asm_exc_page_fault+0x1e/0x30

 5915 16:02:24.736158  # [   45.777<6>[   56.871945] lkdtm: Saturation detected: still saturated

 5916 16:02:24.739438  149]  ? lkdtm_ACCESS_NULL+0x14/0x53

 5917 16:02:24.746102  # [   45.782015]  ? lkdtm_ACCESS_NULL+0x14/0x53

 5918 16:02:24.749364  # [   45.786876]  direct_entry.cold+0x2c/0x38

 5919 16:02:24.755653  # [   45.791546]  full_proxy_write+0x53/0x80

 5920 16:02:24.758979  # [   45.796125]  vfs_write+0xe7/0x3b0

 5921 16:02:24.762444  # [   45.800114]  ksys_write+0x68/0xf0

 5922 16:02:24.765698  # [   45.804102]  do_syscall_64+0x30/0x40

 5923 16:02:24.772266  # [   45.808372]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 5924 16:02:24.775928  # [   45.814301] RIP: 0033:0x7f3b187cd473

 5925 16:02:24.798745  # [   45.818581] 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

 5926 16:02:24.805282  # [   45.839853] RSP: 002b:00007ffc56be5588 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5927 16:02:24.814719  # [   45.848598] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f3b187cd473

 5928 16:02:24.821633  # [   45.856857] RDX: 000000000000000c RSI: 00007f3b186c1000 RDI: 0000000000000001

 5929 16:02:24.831146  # [   45.865117] RBP: 00007f3b186c1000 R08: 00007f3b186c0010 R09: 0000000000000000

 5930 16:02:24.837810  # [   45.873377] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5931 16:02:24.848048  # [   45.881637] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5932 16:02:24.900256  # [   45.889899] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c<6>[   57.039310] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED

 5933 16:02:24.913847   cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight corebo<6>[   57.046824] lkdtm: attempting bad refcount_dec() from saturated

 5934 16:02:24.913941  ot_table

 5935 16:02:24.916892  # [   45.942667] CR2: 0000000000000000

 5936 16:02:24.923581  # [   45.94665<4>[   57.059928] ------------[ cut here ]------------

 5937 16:02:24.926790  6] ---[ end trace ffd54ce207130e85 ]---

 5938 16:02:24.936775  # [   45.952102] RIP: 0<4>[   57.071581] refcount_t: saturated; leaking memory.

 5939 16:02:24.936862  010:lkdtm_BUG+0x5/0x10

 5940 16:02:24.952852  # [   45.956774] Code: 89 ff e8 4e e7 79<4>[   57.083496] WARNING: CPU: 0 PID: 2371 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110

 5941 16:02:25.011969   ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc <4>[   57.099430] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 5942 16:02:25.025437  cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84<4>[   57.158397] CPU: 0 PID: 2371 Comm: cat Tainted: G      D W         5.10.181-cip34 #1

 5943 16:02:25.031842  <4>[   57.173543] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 5944 16:02:25.038402   00 00 00 00 00 0f 1f 44 00 00 83 05 60 57 e9 02

 5945 16:02:25.044820  # [   45.97804<4>[   57.180667] RIP: 0010:refcount_warn_saturate+0x51/0x110

 5946 16:02:25.048404  8] RSP: 0018:ffffac21c131fe60 EFLAGS: 00010286

 5947 16:02:25.071180  # [   45.984172]<4>[   57.193045] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 31 f3 f6 01 00 75 ee 48 c7 c7 68 46 75 a1 c6 05 21 f3 f6 01 01 e8 26 fe c0 00 <0f> 0b c3 cc cc cc cc 80 3d 0d f3 f6 01 00 75 cb 48 c7 c7 90 46 75

 5948 16:02:25.084619   RAX: ffffffffa0379430 RBX: 0000000000000001 RCX: 00000000000000<4>[   57.220532] RSP: 0018:ffffac21c2e17e48 EFLAGS: 00010286

 5949 16:02:25.084935  00

 5950 16:02:25.100738  # [   45.992431] RDX: 0000000000000000 RSI: ffff9efd3ad9bf70<4>[   57.232924] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000

 5951 16:02:25.101096   RDI: ffffffffa137e830

 5952 16:02:25.113845  # [   46.000691] RBP: ffffffffa185db78 R<4>[   57.247409] RDX: ffff9efd3ac2c660 RSI: ffff9efd3ac1bf70 RDI: ffff9efd3ac1bf70

 5953 16:02:25.117387  08: 0000000000000001 R09: 0000000000000001

 5954 16:02:25.127460  # [   46.008950] R10<4>[   57.261867] RBP: ffffffffa17f9773 R08: 0000000000000000 R09: 0000000000000000

 5955 16:02:25.133399  : 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 5956 16:02:25.143229  <4>[   57.276323] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017

 5957 16:02:25.156829  # [   46.017209] R13: ffffac21c131ff10 R14: ffffac21c131ff10 R15<4>[   57.290832] R13: ffffac21c2e17f10 R14: ffffac21c2e17f10 R15: ffff9efcc5bb5000

 5958 16:02:25.160379  : ffff9efcc43c9000

 5959 16:02:25.172953  # [   46.025468] FS:  00007f3b188b7580(0000)<4>[   57.305293] FS:  00007fa15bdd9580(0000) GS:ffff9efd3ac00000(0000) knlGS:0000000000000000

 5960 16:02:25.179517   GS:ffff9efd3ac00000(0000) knlGS:0000000000000000

 5961 16:02:25.185920  # [   46.0347<4>[   57.320873] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5962 16:02:25.192958  96] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5963 16:02:25.199529  # [   46.<4>[   57.333780] CR2: 00007fa15bbe3000 CR3: 0000000106e60001 CR4: 00000000003706f0

 5964 16:02:25.209179  041502] CR2: 0000000000000000 CR3: 0000000106c0c001 CR4: 0000000<4>[   57.348314] Call Trace:

 5965 16:02:25.212926  0003706f0

 5966 16:02:25.215748  # ACCESS_NULL: saw 'call trace:': ok

 5967 16:02:25.219172  ok 38 selftests<4>[   57.357525]  ? __warn+0x80/0x110

 5968 16:02:25.222247  : lkdtm: ACCESS_NULL.sh

 5969 16:02:25.225881  # selftests: lkdtm: WRITE_RO.sh

 5970 16:02:25.232286  # Kill<4>[   57.367642]  ? refcount_warn_saturate+0x51/0x110

 5971 16:02:25.232771  ed

 5972 16:02:25.239506  # [   46.156429] lkdtm: Performing direct entry WRITE_RO

 5973 16:02:25.242136  # <4>[   57.379296]  ? report_bug+0x9e/0xc0

 5974 16:02:25.252634  [   46.167390] lkdtm: attempting bad rodata write at ffffffffa13<4>[   57.389759]  ? handle_bug+0x41/0x90

 5975 16:02:25.253226  7ecb0

 5976 16:02:25.261689  # [   46.174601] BUG: unable to handle page fault for add<4>[   57.400113]  ? exc_invalid_op+0x14/0x70

 5977 16:02:25.265709  ress: ffffffffa137ecb0

 5978 16:02:25.274623  # [   46.182582] #PF: supervisor write a<4>[   57.410915]  ? asm_exc_invalid_op+0x12/0x20

 5979 16:02:25.278531  ccess in kernel mode

 5980 16:02:25.284941  # [   46.188711] #PF: error_code(0x0003) -<4>[   57.422077]  ? refcount_warn_saturate+0x51/0x110

 5981 16:02:25.287721   permissions violation

 5982 16:02:25.297848  # [   46.201439] PGD 20629067 P4D 206290<4>[   57.433805]  ? refcount_warn_saturate+0x51/0x110

 5983 16:02:25.301201  67 PUD 2062a063 PMD 800000001fe000e1 

 5984 16:02:25.310776  # [   46.209220] Oops: 00<4>[   57.445453]  lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64

 5985 16:02:25.311215  03 [#14] SMP PTI

 5986 16:02:25.320709  # [   46.219732] CPU: 2 PID: 1864 Comm: cat Ta<4>[   57.457432]  direct_entry.cold+0x2c/0x38

 5987 16:02:25.323896  inted: G      D W         5.10.181-cip34 #1

 5988 16:02:25.330316  # [   46.228676] Ha<4>[   57.468317]  full_proxy_write+0x53/0x80

 5989 16:02:25.336676  rdware name: Google Rammus/Rammus, BIOS  09/04/2020

 5990 16:02:25.340167  # [   46.23<4>[   57.479112]  vfs_write+0xe7/0x3b0

 5991 16:02:25.346806  5776] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a

 5992 16:02:25.350096  # [   46.241029] Code:<4>[   57.489286]  ksys_write+0x68/0xf0

 5993 16:02:25.363191   00 48 c7 c7 88 a4 7f a1 48 c7 c6 b0 ec 37 a1 e8 17 da fb ff 48 <4>[   57.499504]  do_syscall_64+0x30/0x40

 5994 16:02:25.373138  8b 05 2f 06 97 00 ba 34 12 cd ab 48 c7 c7 b8 a4 7f a1 48 31 d0 <<4>[   57.510010]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 5995 16:02:25.385970  48> 89 05 19 06 97 00 e9 f5 d9 fb ff 0f 1f 44 00 00 48 8b 05 88 <4>[   57.522170] RIP: 0033:0x7fa15bcef473

 5996 16:02:25.386075  fc

 5997 16:02:25.412272  # [   46.262298] RSP: 0018:ffffac21c25efe60 EFLAGS: 00010202<4>[   57.532656] 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

 5998 16:02:25.412440  

 5999 16:02:25.429768  # [   46.268440] RAX: 000000000198b861 RBX: 0000000000000028 R<4>[   57.560155] RSP: 002b:00007ffdcad074e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6000 16:02:25.430030  CX: 0000000000000000

 6001 16:02:25.442196  # [   46.276701] RDX: 00000000abcd1234 RSI<4>[   57.575105] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fa15bcef473

 6002 16:02:25.445532  : ffff9efd3ad1bf70 RDI: ffffffffa17fa4b8

 6003 16:02:25.455217  # [   46.284961] RBP: <4>[   57.589613] RDX: 0000000000000017 RSI: 00007fa15bbe3000 RDI: 0000000000000001

 6004 16:02:25.461762  ffffffffa17f96a5 R08: 0000000000000000 R09: 0000000000000000

 6005 16:02:25.471798  # <4>[   57.604075] RBP: 00007fa15bbe3000 R08: 00007fa15bbe2010 R09: 0000000000000000

 6006 16:02:25.484739  [   46.293221] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: <4>[   57.618574] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6007 16:02:25.488117  0000000000000009

 6008 16:02:25.501162  # [   46.301493] R13: ffffac21c25eff10 R14: ff<4>[   57.633041] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6009 16:02:25.504399  ffac21c25eff10 R15: ffff9efcc5f93000

 6010 16:02:25.510818  # [   46.309754] FS:  0000<4>[   57.647541] irq event stamp: 0

 6011 16:02:25.524305  7f263c84f580(0000) GS:ffff9efd3ad00000(0000) knlGS:0000000000000<4>[   57.657441] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6012 16:02:25.524420  000

 6013 16:02:25.537200  # [   46.319084] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008<4>[   57.670973] hardirqs last disabled at (0): [<ffffffff9f8fd844>] copy_process+0x664/0x1c60

 6014 16:02:25.540292  0050033

 6015 16:02:25.553354  # [   46.325792] CR2: ffffffffa137ecb0 CR3: 0000000106d<4>[   57.686601] softirqs last  enabled at (0): [<ffffffff9f8fd844>] copy_process+0x664/0x1c60

 6016 16:02:25.556725  ec002 CR4: 00000000003706e0

 6017 16:02:25.560029  # [   46.334055] Call Trace:

 6018 16:02:25.566470  # [  <4>[   57.702268] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6019 16:02:25.573165   46.337076]  ? __die_body.cold+0x1a/0x1f

 6020 16:02:25.580132  # [   46.341747]  ? no<4>[   57.715761] ---[ end trace ffd54ce207130e95 ]---

 6021 16:02:25.583021  _context+0x177/0x380

 6022 16:02:25.593054  # [   46.346127]  ? exc_page_fault+0xd7/0x<6>[   57.727447] lkdtm: Saturation detected: still saturated

 6023 16:02:25.593228  170

 6024 16:02:25.595959  # [   46.350798]  ? asm_exc_page_fault+0x1e/0x30

 6025 16:02:25.602493  # [   46.355762]  ? lkdtm_WRITE_RO+0x2e/0x3a

 6026 16:02:25.605975  # [   46.360334]  direct_entry.cold+0x2c/0x38

 6027 16:02:25.609249  # [   46.364997]  full_proxy_write+0x53/0x80

 6028 16:02:25.616182  # [   46.369570]  vfs_write+0xe7/0x3b0

 6029 16:02:25.619479  # [   46.373558]  ksys_write+0x68/0xf0

 6030 16:02:25.622596  # [   46.377548]  do_syscall_64+0x30/0x40

 6031 16:02:25.629178  # [   46.381829]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 6032 16:02:25.632735  # [   46.387753] RIP: 0033:0x7f263c765473

 6033 16:02:25.655723  # [   46.392033] 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

 6034 16:02:25.662290  # [   46.413308] RSP: 002b:00007ffca1b59408 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6035 16:02:25.672285  # [   46.422048] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f263c765473

 6036 16:02:25.679092  # [   46.430308] RDX: 0000000000000009 RSI: 00007f263c659000 RDI: 0000000000000001

 6037 16:02:25.688610  # [   46.438570] RBP: 00007f263c659000 R08: 00007f263c658010 R09: 0000000000000000

 6038 16:02:25.695005  # [   46.446832] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6039 16:02:25.705513  # [   46.455092] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6040 16:02:25.757871  # [   46.463357] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 6041 16:02:25.761452  # [   46.522354] CR2: ffffffffa137ecb0

 6042 16:02:25.764607  # [   46.526342] ---[ end trace ffd54ce207130e86 ]---

 6043 16:02:25.774011  # [   46<6>[   57.907711] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED

 6044 16:02:25.781019  <6>[   57.921757] lkdtm: attempting bad refcount_inc_not_zero() from saturated

 6045 16:02:25.787588  <4>[   57.929567] ------------[ cut here ]------------

 6046 16:02:25.794249  <4>[   57.935013] refcount_t: saturated; leaking memory.

 6047 16:02:25.803744  <4>[   57.940684] WARNING: CPU: 3 PID: 2403 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110

 6048 16:02:25.807384  .531789] RIP: 0010:lkdtm_BUG+0x5/0x10

 6049 16:02:25.862980  # [   46.536457] Code: 89<4>[   57.950411] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 6050 16:02:25.869375  <4>[   58.009379] CPU: 3 PID: 2403 Comm: cat Tainted: G      D W         5.10.181-cip34 #1

 6051 16:02:25.882731   ff e8 4e e7 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff <4>[   58.018326] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6052 16:02:25.896211  ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f><4>[   58.031644] RIP: 0010:refcount_warn_saturate+0x97/0x110

 6053 16:02:25.902784   0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 57 e9 02

 6054 16:02:25.925417  <4>[   58.043989] Code: 01 01 e8 03 fe c0 00 0f 0b c3 cc cc cc cc 80 3d ec f2 f6 01 00 75 a8 48 c7 c7 68 46 75 a1 c6 05 dc f2 f6 01 01 e8 e0 fd c0 00 <0f> 0b c3 cc cc cc cc 80 3d c6 f2 f6 01 00 75 85 48 c7 c7 c0 46 75

 6055 16:02:25.928599  <4>[   58.071506] RSP: 0018:ffffac21c2e8fe38 EFLAGS: 00010282

 6056 16:02:25.938588  <4>[   58.077663] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000

 6057 16:02:25.945017  <4>[   58.085928] RDX: ffff9efd3adac660 RSI: ffff9efd3ad9bf70 RDI: ffff9efd3ad9bf70

 6058 16:02:25.955134  <4>[   58.094216] RBP: ffffffffa17f93a0 R08: 0000000000000000 R09: 0000000000000000

 6059 16:02:25.955756  

 6060 16:02:25.962263  # [   46.557734] RSP: 0018:ffffac21c131fe60 EFLAGS: 00010286

 6061 16:02:25.968390  #<4>[   58.102494] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020

 6062 16:02:25.978358  <4>[   58.116969] R13: ffffac21c2e8ff10 R14: ffffac21c2e8ff10 R15: ffff9efcc5f4c000

 6063 16:02:25.988316  <4>[   58.125234] FS:  00007f5075b93580(0000) GS:ffff9efd3ad80000(0000) knlGS:0000000000000000

 6064 16:02:25.994722  <4>[   58.134566] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6065 16:02:26.001072  <4>[   58.141267] CR2: 00007f507599d000 CR3: 0000000103cee004 CR4: 00000000003706e0

 6066 16:02:26.004549  <4>[   58.149521] Call Trace:

 6067 16:02:26.007834  <4>[   58.152537]  ? __warn+0x80/0x110

 6068 16:02:26.014363  <4>[   58.156463]  ? refcount_warn_saturate+0x97/0x110

 6069 16:02:26.017412  <4>[   58.161932]  ? report_bug+0x9e/0xc0

 6070 16:02:26.023970  <4>[   58.166119]  ? handle_bug+0x41/0x90

 6071 16:02:26.027351  <4>[   58.170304]  ? exc_invalid_op+0x14/0x70

 6072 16:02:26.034056  <4>[   58.174878]  ? asm_exc_invalid_op+0x12/0x20

 6073 16:02:26.037161  <4>[   58.179845]  ? refcount_warn_saturate+0x97/0x110

 6074 16:02:26.043611  <4>[   58.185300]  ? refcount_warn_saturate+0x97/0x110

 6075 16:02:26.050652  <4>[   58.190748]  __refcount_add_not_zero.constprop.0+0x2a/0x35

 6076 16:02:26.057018  <4>[   58.197168]  lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76

 6077 16:02:26.060229  <4>[   58.203781]  direct_entry.cold+0x2c/0x38

 6078 16:02:26.067128  <4>[   58.208455]  full_proxy_write+0x53/0x80

 6079 16:02:26.069959  <4>[   58.213030]  vfs_write+0xe7/0x3b0

 6080 16:02:26.073668  <4>[   58.217021]  ksys_write+0x68/0xf0

 6081 16:02:26.076352  <4>[   58.221013]  do_syscall_64+0x30/0x40

 6082 16:02:26.083335  <4>[   58.225295]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 6083 16:02:26.089493  <4>[   58.231229] RIP: 0033:0x7f5075aa9473

 6084 16:02:26.109395  <4>[   58.235511] 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

 6085 16:02:26.119445  <4>[   58.256791] RSP: 002b:00007ffe2b68d1d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6086 16:02:26.125508  <4>[   58.265541] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f5075aa9473

 6087 16:02:26.135460  <4>[   58.273797] RDX: 0000000000000020 RSI: 00007f507599d000 RDI: 0000000000000001

 6088 16:02:26.142127  <4>[   58.282052] RBP: 00007f507599d000 R08: 00007f507599c010 R09: 0000000000000000

 6089 16:02:26.151927  <4>[   58.290317] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6090 16:02:26.158679  <4>[   58.298580] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6091 16:02:26.161858  <4>[   58.306846] irq event stamp: 0

 6092 16:02:26.178073   [   46.563850] RAX: ffffffffa0379430 RBX: 0000000000000001 RCX:<4>[   58.310572] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6093 16:02:26.178568   0000000000000000

 6094 16:02:26.191400  # [   46.572110] RDX: 0000000000000000 RSI: f<4>[   58.324083] hardirqs last disabled at (0): [<ffffffff9f8fd844>] copy_process+0x664/0x1c60

 6095 16:02:26.201374  <4>[   58.339728] softirqs last  enabled at (0): [<ffffffff9f8fd844>] copy_process+0x664/0x1c60

 6096 16:02:26.204330  fff9efd3ad9bf70 RDI: ffffffffa137e830

 6097 16:02:26.214463  # [   46.580372] RBP: fff<4>[   58.349158] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6098 16:02:26.221038  <4>[   58.362665] ---[ end trace ffd54ce207130e96 ]---

 6099 16:02:26.227485  <6>[   58.368112] lkdtm: Saturation detected: still saturated

 6100 16:02:26.234078  fffffa185db78 R08: 0000000000000001 R09: 0000000000000001

 6101 16:02:26.240696  # [   46.588632] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 6102 16:02:26.247103  # [   46.596893] R13: ffffac21c131ff10 R14: ffffac21c131ff10 R15: ffff9efcc43c9000

 6103 16:02:26.257309  # [   46.605154] FS:  00007f263c84f580(0000) GS:ffff9efd3ad00000(0000) knlGS:0000000000000000

 6104 16:02:26.263754  # [   46.614496] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6105 16:02:26.274275  # [   46.621202] CR2: ffffffffa137ecb0 CR3: 0000000106dec002 CR4: 00000000003706e0

 6106 16:02:26.283346  # [   46.629464] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 6107 16:02:26.293656  # [   46.639687] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1864, name: cat

 6108 16:02:26.296602  # [   46.648440] INFO: lockdep is turned off.

 6109 16:02:26.299795  # [   46.653107] irq event stamp: 0

 6110 16:02:26.306030  # [   46.656803] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6111 16:02:26.316252  # [   46.664094] hardirqs last disabled at (0): [<ffffffff9f8fd844>] copy_process+0x664/0x1c60

 6112 16:02:26.326244  # [   46.673522] softirqs last  enabled at (0): [<ffffffff9f8fd844>] copy_process+0x664/0x1c60

 6113 16:02:26.332909  # [   46.682947] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6114 16:02:26.343152  # [   46.690237] CPU: 2 PID: 1864 Comm: cat Tainted: G      D W         5.10.181-cip34 #1

 6115 16:02:26.350103  # [   46.699177] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6116 16:02:26.353335  # [   46.706272] Call Trace:

 6117 16:02:26.356053  # [   46.709292]  dump_stack+0x77/0x9b

 6118 16:02:26.359370  # [   46.713282]  ___might_sleep.cold+0xa6/0xb6

 6119 16:02:26.365820  # [   46.718147]  exit_signals+0x1c/0x300

 6120 16:02:26.369313  # [   46.722441]  do_exit+0xc2/0xab0

 6121 16:02:26.372283  # [   46.726238]  ? ksys_write+0x68/0xf0

 6122 16:02:26.375950  # [   46.730440]  make_task_dead+0x2f/0x30

 6123 16:02:26.382183  # [   46.734819]  rewind_stack_and_make_dead+0x17/0x20

 6124 16:02:26.392003  # [ <6>[   58.527642] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED

 6125 16:02:26.395759    46.746572] RIP: 0033:0x7f263c765473

 6126 16:02:26.405692  # [   46.750851] Code: 8b<6>[   58.538312] lkdtm: attempting bad refcount_add_not_zero() from saturated

 6127 16:02:26.415526   15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f <4>[   58.552291] ------------[ cut here ]------------

 6128 16:02:26.429009  00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48><4>[   58.563955] refcount_t: saturated; leaking memory.

 6129 16:02:26.435606   3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6130 16:02:26.445456  <4>[   58.575845] WARNING: CPU: 1 PID: 2435 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110

 6131 16:02:26.446034  

 6132 16:02:26.504413  # [   46.772126] RSP: 002b:00007ffca1b59408 EFLAGS: 00000246 OR<4>[   58.591754] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 6133 16:02:26.507390  IG_RAX: 0000000000000001

 6134 16:02:26.517484  # [   46.780865] RAX: ffffffffffffffda<4>[   58.650723] CPU: 1 PID: 2435 Comm: cat Tainted: G      D W         5.10.181-cip34 #1

 6135 16:02:26.523876   RBX: 0000000000000009 RCX: 00007f263c765473

 6136 16:02:26.530685  # [   46.789125] R<4>[   58.665886] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6137 16:02:26.543609  DX: 0000000000000009 RSI: 00007f263c659000 RDI: 0000000000000001<4>[   58.679201] RIP: 0010:refcount_warn_saturate+0x97/0x110

 6138 16:02:26.567035  <4>[   58.691545] Code: 01 01 e8 03 fe c0 00 0f 0b c3 cc cc cc cc 80 3d ec f2 f6 01 00 75 a8 48 c7 c7 68 46 75 a1 c6 05 dc f2 f6 01 01 e8 e0 fd c0 00 <0f> 0b c3 cc cc cc cc 80 3d c6 f2 f6 01 00 75 85 48 c7 c7 c0 46 75

 6139 16:02:26.567669  

 6140 16:02:26.576786  # [   46.797387] RBP: 00007f263c659000 R08: 00007f263c658010 R<4>[   58.712852] RSP: 0018:ffffac21c2f17e38 EFLAGS: 00010282

 6141 16:02:26.579888  09: 0000000000000000

 6142 16:02:26.592909  # [   46.805647] R10: fffffffffffffbc5 R11<4>[   58.725171] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000

 6143 16:02:26.599877  <4>[   58.739651] RDX: ffff9efd3acac660 RSI: ffff9efd3ac9bf70 RDI: ffff9efd3ac9bf70

 6144 16:02:26.606177  : 0000000000000246 R12: 0000000000000001

 6145 16:02:26.615944  # [   46.813908] R13: <4>[   58.747917] RBP: ffffffffa17f93c0 R08: 0000000000000000 R09: 0000000000000000

 6146 16:02:26.622516  <4>[   58.762392] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020

 6147 16:02:26.628996  0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6148 16:02:26.639112  # <4>[   58.770658] R13: ffffac21c2f17f10 R14: ffffac21c2f17f10 R15: ffff9efcc5fdc000

 6149 16:02:26.645799  <4>[   58.785136] FS:  00007f7bfe328580(0000) GS:ffff9efd3ac80000(0000) knlGS:0000000000000000

 6150 16:02:26.648708  WRITE_RO: saw 'call trace:': ok

 6151 16:02:26.658951  ok 39 selftests: lkdtm: WRITE_R<4>[   58.794484] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6152 16:02:26.668684  <4>[   58.807412] CR2: 00007f7bfe132000 CR3: 0000000105ac0003 CR4: 00000000003706e0

 6153 16:02:26.671931  <4>[   58.815677] Call Trace:

 6154 16:02:26.672524  O.sh

 6155 16:02:26.675206  # selftests: lkdtm: WRITE_RO_AFTER_INIT.sh

 6156 16:02:26.678603  # Killed

 6157 16:02:26.681556  # [ <4>[   58.818700]  ? __warn+0x80/0x110

 6158 16:02:26.688744  <4>[   58.828835]  ? refcount_warn_saturate+0x97/0x110

 6159 16:02:26.691623    46.979538] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT

 6160 16:02:26.698219  <4>[   58.834285]  ? report_bug+0x9e/0xc0

 6161 16:02:26.698708  

 6162 16:02:26.708047  # [   46.990618] lkdtm: attempting bad ro_after_init write at f<4>[   58.844680]  ? handle_bug+0x41/0x90

 6163 16:02:26.711277  <4>[   58.855078]  ? exc_invalid_op+0x14/0x70

 6164 16:02:26.714690  fffffffa187e330

 6165 16:02:26.724563  # [   47.004748] BUG: unable to handle page fau<4>[   58.859654]  ? asm_exc_invalid_op+0x12/0x20

 6166 16:02:26.728078  lt for address: ffffffffa187e330

 6167 16:02:26.734158  # [   47.018887] #PF: supervis<4>[   58.870828]  ? refcount_warn_saturate+0x97/0x110

 6168 16:02:26.741373  <4>[   58.882495]  ? refcount_warn_saturate+0x97/0x110

 6169 16:02:26.744646  or write access in kernel mode

 6170 16:02:26.754146  # [   47.025004] #PF: error_code<4>[   58.887944]  __refcount_add_not_zero.constprop.0+0x2a/0x35

 6171 16:02:26.761140  <4>[   58.900574]  lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76

 6172 16:02:26.763948  (0x0003) - permissions violation

 6173 16:02:26.770727  # [   47.031516] PGD 20629067 <4>[   58.907202]  direct_entry.cold+0x2c/0x38

 6174 16:02:26.776874  P4D 20629067 PUD 2062a063 PMD 105231063 PTE 800000002047e061

 6175 16:02:26.780324  # <4>[   58.918085]  full_proxy_write+0x53/0x80

 6176 16:02:26.786982  [   47.040563] Oops: 0003 [#15] SMP PTI

 6177 16:02:26.790101  # [   47.044844] CPU: 0<4>[   58.928881]  vfs_write+0xe7/0x3b0

 6178 16:02:26.803641   PID: 1899 Comm: cat Tainted: G      D W         5.10.181-cip34 <4>[   58.939089]  ksys_write+0x68/0xf0

 6179 16:02:26.804117  #1

 6180 16:02:26.812887  # [   47.053785] Hardware name: Google Rammus/Rammus, BIOS  <4>[   58.949299]  do_syscall_64+0x30/0x40

 6181 16:02:26.813364  09/04/2020

 6182 16:02:26.823670  # [   47.060886] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT<4>[   58.959798]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 6183 16:02:26.826031  +0x4e/0x5a

 6184 16:02:26.836371  # [   47.067203] Code: a4 7f a1 e9 c9 d9 fb ff 48 c7<4>[   58.971950] RIP: 0033:0x7f7bfe23e473

 6185 16:02:26.862530   c7 10 a5 7f a1 e8 bd d9 fb ff 48 8b 05 55 fc e6 00 ba 34 12 cd <4>[   58.982450] 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

 6186 16:02:26.879173  ab 48 c7 c7 b8 a4 7f a1 48 31 d0 <48> 89 05 3f fc e6 00 e9 9b d9<4>[   59.009949] RSP: 002b:00007ffebabaa178 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6187 16:02:26.882804   fb ff 0f 1f 44 00 00 41 54 48 c7 c7

 6188 16:02:26.892569  # [   47.088489] RSP: 0018<4>[   59.024917] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f7bfe23e473

 6189 16:02:26.895246  :ffffac21c267fe60 EFLAGS: 00010202

 6190 16:02:26.905060  # [   47.094615] RAX: 000000<4>[   59.039399] RDX: 0000000000000020 RSI: 00007f7bfe132000 RDI: 0000000000000001

 6191 16:02:26.911598  00fe67479e RBX: 0000000000000029 RCX: 0000000000000000

 6192 16:02:26.921846  # [   47<4>[   59.053882] RBP: 00007f7bfe132000 R08: 00007f7bfe131010 R09: 0000000000000000

 6193 16:02:26.934821  .102876] RDX: 00000000abcd1234 RSI: ffff9efd3ac1bf70 RDI: ffffff<4>[   59.068365] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6194 16:02:26.938031  ffa17fa4b8

 6195 16:02:26.951361  # [   47.111138] RBP: ffffffffa17f96ae R08: 00000000<4>[   59.082850] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6196 16:02:26.954800  00000000 R09: 0000000000000000

 6197 16:02:26.961076  # [   47.119398] R10: 00000000ff<4>[   59.097339] irq event stamp: 0

 6198 16:02:26.964419  ffe000 R11: 3fffffffffffffff R12: 0000000000000014

 6199 16:02:26.974073  # [   47.127<4>[   59.107253] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6200 16:02:26.990508  659] R13: ffffac21c267ff10 R14: ffffac21c267ff10 R15: ffff9efcc5<4>[   59.120762] hardirqs last disabled at (0): [<ffffffff9f8fd844>] copy_process+0x664/0x1c60

 6201 16:02:26.991110  f71000

 6202 16:02:27.003654  # [   47.135921] FS:  00007f8dd035b580(0000) GS:ffff9efd<4>[   59.136410] softirqs last  enabled at (0): [<ffffffff9f8fd844>] copy_process+0x664/0x1c60

 6203 16:02:27.013946  <4>[   59.152058] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6204 16:02:27.016593  3ac00000(0000) knlGS:0000000000000000

 6205 16:02:27.023515  # [   47.145250] CS:  001<4>[   59.159353] ---[ end trace ffd54ce207130e97 ]---

 6206 16:02:27.026717  0 DS: 0000 ES: 0000 CR0: 0000000080050033

 6207 16:02:27.036661  # [   47.151957] CR2:<6>[   59.171017] lkdtm: Saturation detected: still saturated

 6208 16:02:27.042812   ffffffffa187e330 CR3: 0000000103b92004 CR4: 00000000003706f0

 6209 16:02:27.046246  # [   47.160219] Call Trace:

 6210 16:02:27.049331  # [   47.163239]  ? __die_body.cold+0x1a/0x1f

 6211 16:02:27.052977  # [   47.167914]  ? no_context+0x177/0x380

 6212 16:02:27.059221  # [   47.172301]  ? exc_page_fault+0xd7/0x170

 6213 16:02:27.062524  # [   47.176978]  ? asm_exc_page_fault+0x1e/0x30

 6214 16:02:27.069378  # [   47.181941]  ? lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a

 6215 16:02:27.072362  # [   47.187587]  direct_entry.cold+0x2c/0x38

 6216 16:02:27.078939  # [   47.192257]  full_proxy_write+0x53/0x80

 6217 16:02:27.082231  # [   47.196837]  vfs_write+0xe7/0x3b0

 6218 16:02:27.085697  # [   47.200827]  ksys_write+0x68/0xf0

 6219 16:02:27.088858  # [   47.204817]  do_syscall_64+0x30/0x40

 6220 16:02:27.095448  # [   47.209088]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 6221 16:02:27.098912  # [   47.215011] RIP: 0033:0x7f8dd0271473

 6222 16:02:27.121872  # [   47.219281] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6223 16:02:27.128798  # [   47.240558] RSP: 002b:00007ffecf6b62d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6224 16:02:27.138915  # [   47.249305] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f8dd0271473

 6225 16:02:27.145507  # [   47.257565] RDX: 0000000000000014 RSI: 00007f8dd0165000 RDI: 0000000000000001

 6226 16:02:27.155006  # [   47.265827] RBP: 00007f8dd0165000 R08: 00007f8dd0164010 R09: 0000000000000000

 6227 16:02:27.161725  # [   47.274090] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6228 16:02:27.171563  # [   47.282352] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6229 16:02:27.194973  # [   47.290617] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf indust<6>[   59.331857] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED

 6230 16:02:27.201283  <6>[   59.340498] lkdtm: attempting bad refcount_dec_and_test() from saturated

 6231 16:02:27.207439  <4>[   59.348309] ------------[ cut here ]------------

 6232 16:02:27.210769  <4>[   59.353758] refcount_t: underflow; use-after-free.

 6233 16:02:27.220525  <4>[   59.359430] WARNING: CPU: 3 PID: 2470 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110

 6234 16:02:27.280454  rialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs<4>[   59.369162] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 6235 16:02:27.289706  <4>[   59.428131] CPU: 3 PID: 2470 Comm: cat Tainted: G      D W         5.10.181-cip34 #1

 6236 16:02:27.296482  <4>[   59.437076] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6237 16:02:27.303538  <4>[   59.444177] RIP: 0010:refcount_warn_saturate+0xba/0x110

 6238 16:02:27.322427  <4>[   59.450306] Code: 01 01 e8 e0 fd c0 00 0f 0b c3 cc cc cc cc 80 3d c6 f2 f6 01 00 75 85 48 c7 c7 c0 46 75 a1 c6 05 b6 f2 f6 01 01 e8 bd fd c0 00 <0f> 0b c3 cc cc cc cc 80 3d a1 f2 f6 01 00 0f 85 5e ff ff ff 48 c7

 6239 16:02:27.329065  <4>[   59.471585] RSP: 0018:ffffac21c2f9fe40 EFLAGS: 00010286

 6240 16:02:27.339230  <4>[   59.477713] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000

 6241 16:02:27.346122  <4>[   59.485979] RDX: ffff9efd3adac660 RSI: ffff9efd3ad9bf70 RDI: ffff9efd3ad9bf70

 6242 16:02:27.355239  <4>[   59.494243] RBP: ffffffffa17f93e0 R08: 0000000000000000 R09: 0000000000000000

 6243 16:02:27.362317  <4>[   59.502508] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020

 6244 16:02:27.372099  <4>[   59.510774] R13: ffffac21c2f9ff10 R14: ffffac21c2f9ff10 R15: ffff9efcc3c45000

 6245 16:02:27.381757  <4>[   59.519040] FS:  00007fbdba71f580(0000) GS:ffff9efd3ad80000(0000) knlGS:0000000000000000

 6246 16:02:27.388661  <4>[   59.528373] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6247 16:02:27.395198  <4>[   59.535084] CR2: 00007fbdba529000 CR3: 0000000106dfa006 CR4: 00000000003706e0

 6248 16:02:27.397965  <4>[   59.543350] Call Trace:

 6249 16:02:27.401468  <4>[   59.546373]  ? __warn+0x80/0x110

 6250 16:02:27.408139  <4>[   59.550287]  ? refcount_warn_saturate+0xba/0x110

 6251 16:02:27.411348  <4>[   59.555736]  ? report_bug+0x9e/0xc0

 6252 16:02:27.417764  <4>[   59.559923]  ? handle_bug+0x41/0x90

 6253 16:02:27.421024  <4>[   59.564108]  ? exc_invalid_op+0x14/0x70

 6254 16:02:27.427743  <4>[   59.568682]  ? asm_exc_invalid_op+0x12/0x20

 6255 16:02:27.431127  <4>[   59.573648]  ? refcount_warn_saturate+0xba/0x110

 6256 16:02:27.437303  <4>[   59.579097]  __refcount_sub_and_test.constprop.0+0x3c/0x50

 6257 16:02:27.444011  <4>[   59.585517]  lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76

 6258 16:02:27.451092  <4>[   59.592131]  direct_entry.cold+0x2c/0x38

 6259 16:02:27.453848  <4>[   59.596803]  full_proxy_write+0x53/0x80

 6260 16:02:27.457231  <4>[   59.601404]  vfs_write+0xe7/0x3b0

 6261 16:02:27.467169   cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_cha<4>[   59.605427]  ksys_write+0x68/0xf0

 6262 16:02:27.480229  rger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_senso<4>[   59.615636]  do_syscall_64+0x30/0x40

 6263 16:02:27.490259  rhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_<4>[   59.626134]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 6264 16:02:27.497170  <4>[   59.638286] RIP: 0033:0x7fbdba635473

 6265 16:02:27.516588  <4>[   59.642599] 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

 6266 16:02:27.526296  <4>[   59.663880] RSP: 002b:00007ffcd2b5d1c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6267 16:02:27.532512  <4>[   59.672629] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fbdba635473

 6268 16:02:27.542375  <4>[   59.680899] RDX: 0000000000000020 RSI: 00007fbdba529000 RDI: 0000000000000001

 6269 16:02:27.556000  ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cro<4>[   59.689193] RBP: 00007fbdba529000 R08: 00007fbdba528010 R09: 0000000000000000

 6270 16:02:27.566041  <4>[   59.703670] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6271 16:02:27.572331  <4>[   59.711934] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6272 16:02:27.575611  <4>[   59.720203] irq event stamp: 0

 6273 16:02:27.582570  <4>[   59.723927] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6274 16:02:27.592169  <4>[   59.731222] hardirqs last disabled at (0): [<ffffffff9f8fd844>] copy_process+0x664/0x1c60

 6275 16:02:27.602113  <4>[   59.740652] softirqs last  enabled at (0): [<ffffffff9f8fd844>] copy_process+0x664/0x1c60

 6276 16:02:27.608699  <4>[   59.750082] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6277 16:02:27.615330  <4>[   59.757376] ---[ end trace ffd54ce207130e98 ]---

 6278 16:02:27.621651  <6>[   59.762824] lkdtm: Saturation detected: still saturated

 6279 16:02:27.628699  s_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 6280 16:02:27.631342  # [   47.343396] CR2: ffffffffa187e330

 6281 16:02:27.637936  # [   47.347385] ---[ end trace ffd54ce207130e87 ]---

 6282 16:02:27.641547  # [   47.352833] RIP: 0010:lkdtm_BUG+0x5/0x10

 6283 16:02:27.664423  # [   47.357500] Code: 89 ff e8 4e e7 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 57 e9 02

 6284 16:02:27.667434  # [   47.378778] RSP: 0018:ffffac21c131fe60 EFLAGS: 00010286

 6285 16:02:27.677463  # [   47.384904] RAX: ffffffffa0379430 RBX: 0000000000000001 RCX: 0000000000000000

 6286 16:02:27.687648  # [   47.393165] RDX: 0000000000000000 RSI: ffff9efd3ad9bf70 RDI: ffffffffa137e830

 6287 16:02:27.694130  # [   47.401437] RBP: ffffffffa185db78 R08: 0000000000000001 R09: 0000000000000001

 6288 16:02:27.703933  # [   47.409699] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 6289 16:02:27.710819  # [   47.417961] R13: ffffac21c131ff10 R14: ffffac21c131ff10 R15: ffff9efcc43c9000

 6290 16:02:27.720849  # [   47.426224] FS:  00007f8dd035b580(0000) GS:ffff9efd3ac00000(0000) knlGS:0000000000000000

 6291 16:02:27.726861  # [   47.435555] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6292 16:02:27.736669  # [   47.442263] CR2: ffffffffa187e330 CR3: 0000000103b92004 CR4: 00000000003706f0

 6293 16:02:27.740095  # WRITE_RO_AFTER_INIT: saw 'call trace:': ok

 6294 16:02:27.746893  ok 40 selftests: lkdtm: WRITE_RO_AFTER_INIT.sh

 6295 16:02:27.750292  # selftests: lkdtm: WRITE_KERN.sh

 6296 16:02:27.750763  # Killed

 6297 16:02:27.757100  # [   47.565145] lkdtm: Performing direct entry WRITE_KERN

 6298 16:02:27.763235  # [   47.574579] lkdtm: attempting bad 6901243 byte write at ffffffffa0a0e5fb

 6299 16:02:27.773295  # [   47.582389] BUG: unable to handle page fault for address: ffffffffa0a0e5fb

 6300 16:02:27.779795  # [   47.590372] #PF: supervisor write access in kernel mode

 6301 16:02:27.786304  # [   47.596505] #PF: error_code(0x0003) - permissions violation

 6302 16:02:27.793060  # [   47.609230] PGD 20629067 P4D 20629067 PUD 2062a063 PMD 1f6000e1 

 6303 16:02:27.796093  # [   47.616235] Oops: 0003 [#16] SMP PTI

 6304 16:02:27.805807  # [   47.626728] CPU: 3 PID: 1934 Comm: cat Tainted: G      D W         5.10.181-cip34 #1

 6305 16:02:27.812410  # [   47.635670] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6306 16:02:27.818972  # [   47.642769] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e

 6307 16:02:27.841874  # [   47.648215] Code: 53 48 c7 c3 fb e5 a0 a0 49 89 dc 48 89 da 49 81 ec 00 98 37 a0 4c 89 e6 e8 70 d9 fb ff 48 89 df 4c 89 e1 48 c7 c6 00 98 37 a0 <f3> a4 48 c7 c7 b8 a4 7f a1 e8 55 d9 fb ff 5b 41 5c e9 b7 fe ff ff

 6308 16:02:27.848703  # [   47.669490] RSP: 0018:ffffac21c2707e50 EFLAGS: 00010246

 6309 16:02:27.855058  # [   47.675616] RAX: 000000000000003c RBX: ffffffffa0a0e5fb RCX: 0000000000694dfb

 6310 16:02:27.865100  # [   47.683877] RDX: 0000000000000000 RSI: ffffffffa0379800 RDI: ffffffffa0a0e5fb

 6311 16:02:27.871528  # [   47.692129] RBP: ffffffffa17f96c2 R08: 0000000000000000 R09: 0000000000000000

 6312 16:02:27.881290  # [   47.700390] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000694dfb

 6313 16:02:27.888170  # [   47.708652] R13: ffffac21c2707f10 R14: ffffac21c2707f10 R15: ffff9efcc5a8d000

 6314 16:02:27.897727  # [   47.716913] FS:  00007fecdf6d2580(0000) GS:ffff9efd3ad80000(0000) knlGS:0000000000000000

 6315 16:02:27.904759  # [   47.726243] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6316 16:02:27.914490  # [   47.732949] CR2: ffffffffa0a0e5fb CR3: 0000000102874001 CR4: 00000000003706e0

 6317 16:02:27.917630  # [   47.741211] Call Trace:

 6318 16:02:27.921178  # [   47.744232]  ? __die_body.cold+0x1a/0x1f

 6319 16:02:27.924367  # [   47.748902]  ? no_context+0x177/0x380

 6320 16:02:27.930975  # [   47.753281]  ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32

 6321 16:02:27.937142  # [   47.759020]  ? exc_page_fault+0xd7/0x170

 6322 16:02:27.940830  # [   47.763682]  ? asm_exc_page_fault+0x1e/0x30

 6323 16:02:27.947329  # [   47.768643]  ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32

 6324 16:02:27.950445  # [   47.774380]  ? lkdtm_SLAB_FREE_PAGE+0x40/0x40

 6325 16:02:27.957195  # [   47.779525]  ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32

 6326 16:02:27.963467  # [   47.785264]  ? lkdtm_WRITE_KERN+0x38/0x4e

 6327 16:02:27.966910  # [   47.790031]  direct_entry.cold+0x2c/0x38

 6328 16:02:27.973596  # [   47.794702]  full_proxy_write+0x53/0x80

 6329 16:02:27.976663  # [   47.799276]  vfs_write+0xe7/0x3b0

 6330 16:02:27.979475  # [   47.803266]  ksys_write+0x68/0xf0

 6331 16:02:27.983301  # [   47.807255]  do_syscall_64+0x30/0x40

 6332 16:02:27.989742  # [   47.811535]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 6333 16:02:27.996210  # [   47.817480] RIP: 0033:0x7fecdf5e8473

 6334 16:02:28.015580  # [   47.821791] 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

 6335 16:02:28.025773  # [   47.843068] RSP: 002b:00007ffdaed42fd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6336 16:02:28.035524  # [   47.851809] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007fecdf5e8473

 6337 16:02:28.041946  # [   47.860071] RDX: 000000000000000b RSI: 00007fecdf4dc000 RDI: 0000000000000001

 6338 16:02:28.052269  # [   47.868333] RBP: 00007fecdf4dc000 R08: 00007fecdf4db010 R09: 0000000000000000

 6339 16:02:28.058783  # [   47.876593] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6340 16:02:28.068617  # [   47.884854] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6341 16:02:28.121232  # [   47.893119] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 6342 16:02:28.127969  # [   47.952115] CR2: ffffffffa0a0e5fb

 6343 16:02:28.131177  # [   47.956103] ---[ end trace ffd54ce207130e88 ]---

 6344 16:02:28.137290  # [   47.961549] RIP: 0010:lkdtm_BUG+0x5/0x10

 6345 16:02:28.157066  # [   47.966218] Code: 89 ff e8 4e e7 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 57 e9 02

 6346 16:02:28.163643  # [   47.987492] RSP: 0018:ffffac21c131fe60 EFLAGS: 00010286

 6347 16:02:28.173391  # [   47.993615] RAX: ffffffffa0379430 RBX: 0000000000000001 RCX: 0000000000000000

 6348 16:02:28.182975  # [   48.001877] RDX: 0000000000000000 RSI: ffff9efd3ad9bf70 RDI: ffffffffa137e830

 6349 16:02:28.189982  # [   48.010138] RBP: ffffffffa185db78 R08: 0000000000000001 R09: 0000000000000001

 6350 16:02:28.199321  # [   48.018398] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 6351 16:02:28.206480  # [   48.026659] R13: ffffac21c131ff10 R14: ffffac21c131ff10 R15: ffff9efcc43c9000

 6352 16:02:28.216281  # [   48.034921] FS:  00007fecdf6d2580(0000) GS:ffff9efd3ad80000(0000) knlGS:0000000000000000

 6353 16:02:28.222625  # [   48.044250] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6354 16:02:28.232789  # [   48.050957] CR2: ffffffffa0a0e5fb CR3: 0000000102874001 CR4: 00000000003706e0

 6355 16:02:28.242540  # [   48.059220] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 6356 16:02:28.252656  # [   48.069438] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1934, name: cat

 6357 16:02:28.255439  # [   48.078186] INFO: lockdep is turned off.

 6358 16:02:28.258651  # [   48.082854] irq event stamp: 0

 6359 16:02:28.265473  # [   48.086551] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6360 16:02:28.275020  # [   48.093842] hardirqs last disabled at (0): [<ffffffff9f8fd844>] copy_process+0x664/0x1c60

 6361 16:02:28.285225  # [   48.103262] softirqs last  enabled at (0): [<ffffffff9f8fd844>] copy_process+0x664/0x1c60

 6362 16:02:28.291662  # [   48.112680] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6363 16:02:28.301835  # [   48.119970] CPU: 3 PID: 1934 Comm: cat Tainted: G      D W         5.10.181-cip34 #1

 6364 16:02:28.308413  # [   48.128909] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6365 16:02:28.311319  # [   48.136004] Call Trace:

 6366 16:02:28.314804  # [   48.139020]  dump_stack+0x77/0x9b

 6367 16:02:28.320963  # [   48.143010]  ___might_sleep.cold+0xa6/0xb6

 6368 16:02:28.324426  # [   48.147877]  exit_signals+0x1c/0x300

 6369 16:02:28.327633  # [   48.152189]  do_exit+0xc2/0xab0

 6370 16:02:28.331019  # [   48.155983]  ? ksys_write+0x68/0xf0

 6371 16:02:28.337383  # [   48.160167]  ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32

 6372 16:02:28.340774  # [   48.165904]  make_task_dead+0x2f/0x30

 6373 16:02:28.347900  # [   48.170282]  rewind_stack_and_make_dead+0x17/0x20

 6374 16:02:28.350962  # [   48.175823] RIP: 0033:0x7fecdf5e8473

 6375 16:02:28.373436  # [   48.180102] 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

 6376 16:02:28.386691  # [   48.201380] RSP: 002b:00007ffdaed42fd8 EFLAGS: 00000246 ORIG_RAX: 0000000000<6>[   60.524832] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED

 6377 16:02:28.396796  <6>[   60.535659] lkdtm: attempting bad refcount_sub_and_test() from saturated

 6378 16:02:28.397376  000001

 6379 16:02:28.406284  # [   48.210128] RAX: ffffffffffffffda RBX: 000000000000<4>[   60.543443] ------------[ cut here ]------------

 6380 16:02:28.412841  <4>[   60.555117] refcount_t: underflow; use-after-free.

 6381 16:02:28.415991  000b RCX: 00007fecdf5e8473

 6382 16:02:28.429476  # [   48.218388] RDX: 00000000000000<4>[   60.560780] WARNING: CPU: 3 PID: 2505 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110

 6383 16:02:28.432532  0b RSI: 00007fecdf4dc000 RDI: 0000000000000001

 6384 16:02:28.488447  # [   48.226649]<4>[   60.576698] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 6385 16:02:28.498287  <4>[   60.635701] CPU: 3 PID: 2505 Comm: cat Tainted: G      D W         5.10.181-cip34 #1

 6386 16:02:28.505362  <4>[   60.644645] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6387 16:02:28.511669  <4>[   60.651737] RIP: 0010:refcount_warn_saturate+0xba/0x110

 6388 16:02:28.530992  <4>[   60.657864] Code: 01 01 e8 e0 fd c0 00 0f 0b c3 cc cc cc cc 80 3d c6 f2 f6 01 00 75 85 48 c7 c7 c0 46 75 a1 c6 05 b6 f2 f6 01 01 e8 bd fd c0 00 <0f> 0b c3 cc cc cc cc 80 3d a1 f2 f6 01 00 0f 85 5e ff ff ff 48 c7

 6389 16:02:28.537569  <4>[   60.679145] RSP: 0018:ffffac21c302fe40 EFLAGS: 00010286

 6390 16:02:28.547846  <4>[   60.685272] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000

 6391 16:02:28.554347  <4>[   60.693536] RDX: ffff9efd3adac660 RSI: ffff9efd3ad9bf70 RDI: ffff9efd3ad9bf70

 6392 16:02:28.563989  <4>[   60.701793] RBP: ffffffffa17f9400 R08: 0000000000000000 R09: 0000000000000000

 6393 16:02:28.570881  <4>[   60.710057] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020

 6394 16:02:28.580414  <4>[   60.718320] R13: ffffac21c302ff10 R14: ffffac21c302ff10 R15: ffff9efcc59b8000

 6395 16:02:28.586840  <4>[   60.726585] FS:  00007ff372a7b580(0000) GS:ffff9efd3ad80000(0000) knlGS:0000000000000000

 6396 16:02:28.596606  <4>[   60.735917] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6397 16:02:28.603356  <4>[   60.742620] CR2: 00007ff372885000 CR3: 0000000103bc8006 CR4: 00000000003706e0

 6398 16:02:28.606437  <4>[   60.750883] Call Trace:

 6399 16:02:28.609837  <4>[   60.753906]  ? __warn+0x80/0x110

 6400 16:02:28.616523  <4>[   60.757832]  ? refcount_warn_saturate+0xba/0x110

 6401 16:02:28.619379  <4>[   60.763280]  ? report_bug+0x9e/0xc0

 6402 16:02:28.623421  <4>[   60.767481]  ? handle_bug+0x41/0x90

 6403 16:02:28.629334  <4>[   60.771699]  ? exc_invalid_op+0x14/0x70

 6404 16:02:28.632945  <4>[   60.776273]  ? asm_exc_invalid_op+0x12/0x20

 6405 16:02:28.639051  <4>[   60.781240]  ? refcount_warn_saturate+0xba/0x110

 6406 16:02:28.646142  <4>[   60.786719]  __refcount_sub_and_test.constprop.0+0x3c/0x50

 6407 16:02:28.652758  <4>[   60.793139]  lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76

 6408 16:02:28.655767  <4>[   60.799752]  direct_entry.cold+0x2c/0x38

 6409 16:02:28.668377   RBP: 00007fecdf4dc000 R08: 00007fecdf4db010 R09: 00000000000000<4>[   60.804428]  full_proxy_write+0x53/0x80

 6410 16:02:28.668968  00

 6411 16:02:28.678285  # [   48.234911] R10: fffffffffffffbc5 R11: 0000000000000246<4>[   60.815220]  vfs_write+0xe7/0x3b0

 6412 16:02:28.681699  <4>[   60.825423]  ksys_write+0x68/0xf0

 6413 16:02:28.685266   R12: 0000000000000001

 6414 16:02:28.691622  # [   48.243174] R13: 0000000000000001 R<4>[   60.829422]  do_syscall_64+0x30/0x40

 6415 16:02:28.698431  <4>[   60.839926]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 6416 16:02:28.701718  <4>[   60.845890] RIP: 0033:0x7ff372991473

 6417 16:02:28.724812  <4>[   60.850172] 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

 6418 16:02:28.728073  14: 0000000000020000 R15: 0000000000020000

 6419 16:02:28.737936  # WRITE_KERN: saw 'c<4>[   60.871461] RSP: 002b:00007ffc3866a568 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6420 16:02:28.741232  all trace:': ok

 6421 16:02:28.744189  ok 41 selftests: lkdtm: WRITE_KERN.sh

 6422 16:02:28.754235  # selfte<4>[   60.886445] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007ff372991473

 6423 16:02:28.760792  <4>[   60.900924] RDX: 0000000000000020 RSI: 00007ff372885000 RDI: 0000000000000001

 6424 16:02:28.771029  <4>[   60.909187] RBP: 00007ff372885000 R08: 00007ff372884010 R09: 0000000000000000

 6425 16:02:28.777348  <4>[   60.917444] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6426 16:02:28.780762  sts: lkdtm: REFCOUNT_INC_OVERFLOW.sh

 6427 16:02:28.793773  # [   48.376740] lkdtm: Pe<4>[   60.925712] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6428 16:02:28.797091  <4>[   60.940190] irq event stamp: 0

 6429 16:02:28.803653  <4>[   60.943914] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6430 16:02:28.813474  <4>[   60.951207] hardirqs last disabled at (0): [<ffffffff9f8fd844>] copy_process+0x664/0x1c60

 6431 16:02:28.823557  <4>[   60.960638] softirqs last  enabled at (0): [<ffffffff9f8fd844>] copy_process+0x664/0x1c60

 6432 16:02:28.830331  <4>[   60.970067] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6433 16:02:28.836693  <4>[   60.977359] ---[ end trace ffd54ce207130e99 ]---

 6434 16:02:28.843216  <6>[   60.982799] lkdtm: Saturation detected: still saturated

 6435 16:02:28.846239  rforming direct entry REFCOUNT_INC_OVERFLOW

 6436 16:02:28.852618  # [   48.388967] lkdtm: attempting good refcount_inc() without overflow

 6437 16:02:28.859354  # [   48.396190] lkdtm: attempting bad refcount_inc() overflow

 6438 16:02:28.865881  # [   48.402525] ------------[ cut here ]------------

 6439 16:02:28.869209  # [   48.407980] refcount_t: saturated; leaking memory.

 6440 16:02:28.879460  # [   48.413653] WARNING: CPU: 3 PID: 1969 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110

 6441 16:02:28.931857  # [   48.423383] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 6442 16:02:28.942344  # [   48.482348] CPU: 3 PID: 1969 Comm: cat Tainted: G      D W         5.10.181-cip34 #1

 6443 16:02:28.948160  # [   48.491324] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6444 16:02:28.954819  # [   48.498450] RIP: 0010:refcount_warn_saturate+0x51/0x110

 6445 16:02:28.974680  # [   48.504586] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 31 f3 f6 01 00 75 ee 48 c7 c7 68 46 75 a1 c6 05 21 f3 f6 01 01 e8 26 fe c0 00 <0f> 0b c3 cc cc cc cc 80 3d 0d f3 f6 01 00 75 cb 48 c7 c7 90 46 75

 6446 16:02:28.981353  # [   48.532079] RSP: 0018:ffffac21c27a7e48 EFLAGS: 00010286

 6447 16:02:28.991367  # [   48.544421] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000

 6448 16:02:28.997703  # [   48.558902] RDX: ffff9efd3adac660 RSI: ffff9efd3ad9bf70 RDI: ffff9efd3ad9bf70

 6449 16:02:29.007592  # [   48.573382] RBP: ffffffffa17f96cd R08: 0000000000000000 R09: 0000000000000000

 6450 16:02:29.014172  # [   48.581646] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016

 6451 16:02:29.023904  # [   48.589912] R13: ffffac21c27a7f10 R14: ffffac21c27a7f10 R15: ffff9efcc5d9d000

 6452 16:02:29.033728  # [   48.598179] FS:  00007f39dbfea580(0000) GS:ffff9efd3ad80000(0000) knlGS:0000000000000000

 6453 16:02:29.040256  # [   48.607534] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6454 16:02:29.046577  # [   48.614259] CR2: 00007f39dbdf4000 CR3: 0000000102ae6002 CR4: 00000000003706e0

 6455 16:02:29.050636  # [   48.628730] Call Trace:

 6456 16:02:29.056933  # [   48.631755]  ? __warn+0x80/0x110

 6457 16:02:29.060374  # [   48.635680]  ? refcount_warn_saturate+0x51/0x110

 6458 16:02:29.066641  # [   48.641131]  ? report_bug+0x9e/0xc0

 6459 16:02:29.070217  # [   48.645317]  ? handle_bug+0x41/0x90

 6460 16:02:29.073383  # [   48.649504]  ? exc_invalid_op+0x14/0x70

 6461 16:02:29.079845  # [   48.654079]  ? asm_exc_invalid_op+0x12/0x20

 6462 16:02:29.083317  # [   48.659045]  ? refcount_warn_saturate+0x51/0x110

 6463 16:02:29.089742  # [   48.664525]  ? refcount_warn_saturate+0x51/0x110

 6464 16:02:29.096376  # [   48.669975]  lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98

 6465 16:02:29.099978  # [   48.675619]  direct_entry.cold+0x2c/0x38

 6466 16:02:29.106129  # [   48.680294]  full_proxy_write+0x53/0x80

 6467 16:02:29.109510  # [   48.684893]  vfs_write+0xe7/0x3b0

 6468 16:02:29.112782  # [   48.688885]  ksys_write+0x68/0xf0

 6469 16:02:29.119391  # [   48.692878]  do_syscall_64+0x30/0x40

 6470 16:02:29.122682  # [   48.697162]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 6471 16:02:29.128955  # [   48.703096] RIP: 0033:0x7f39dbf00473

 6472 16:02:29.148558  # [   48.707380] 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

 6473 16:02:29.158512  # [   48.728660] RSP: 002b:00007ffca36a7a48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6474 16:02:29.165141  # [   48.737428] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f39dbf00473

 6475 16:02:29.175320  # [   48.745703] RDX: 0000000000000016 RSI: 00007f39dbdf4000 RDI: 0000000000000001

 6476 16:02:29.182143  # [   48.760180] RBP: 00007f39dbdf4000 R08: 00007f39dbdf3010 R09: 0000000000000000

 6477 16:02:29.191458  # [   48.768445] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6478 16:02:29.198280  # [   48.776711] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6479 16:02:29.205216  # [   48.784979] irq event stamp: 0

 6480 16:02:29.211402  # [   48.788703] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6481 16:02:29.221224  # [   48.795996] hardirqs last disabled at (0): [<ffffffff9f8fd844>] copy_process+0x664/0x1c60

 6482 16:02:29.231019  # [   48.805441] softirqs last  enabled at (0): [<ffffffff9f8fd844>] copy_process+0x664/0x1c60

 6483 16:02:29.237636  # [   48.814874] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6484 16:02:29.243917  # [   48.828380] ---[ end trace ffd54ce207130e89 ]---

 6485 16:02:29.247333  # [   48.833831] lkdtm: Overflow detected: saturated

 6486 16:02:29.254768  # REFCOUNT_INC_OVERFLOW: saw 'call trace:': ok

 6487 16:02:29.257478  ok 42 selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh

 6488 16:02:29.263916  # selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh

 6489 16:02:29.270500  # [   48.992762] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW

 6490 16:02:29.277139  # [   49.001576] lkdtm: attempting good refcount_add() without overflow

 6491 16:02:29.283356  # [   49.008798] lkdtm: attempting bad refcount_add() overflow

 6492 16:02:29.290527  # [   49.015137] ------------[ cut here ]------------

 6493 16:02:29.296803  # [   49.020594] refcount_t: saturated; leaking memory.

 6494 16:02:29.306710  # [   49.026248] WARNING: CPU: 3 PID: 2001 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110

 6495 16:02:29.359435  # [   49.035974] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 6496 16:02:29.369210  # [   49.094974] CPU: 3 PID: 2001 Comm: cat Tainted: G      D W         5.10.181-cip34 #1

 6497 16:02:29.375634  # [   49.103949] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6498 16:02:29.382123  # [   49.111049] RIP: 0010:refcount_warn_saturate+0x51/0x110

 6499 16:02:29.405428  # [   49.117179] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 31 f3 f6 01 00 75 ee 48 c7 c7 68 46 75 a1 c6 05 21 f3 f6 01 01 e8 26 fe c0 00 <0f> 0b c3 cc cc cc cc 80 3d 0d f3 f6 01 00 75 cb 48 c7 c7 90 46 75

 6500 16:02:29.413130  # [   49.138460] RSP: 0018:ffffac21c2817e48 EFLAGS: 00010286

 6501 16:02:29.418665  # [   49.144595] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000

 6502 16:02:29.428105  # [   49.152861] RDX: ffff9efd3adac660 RSI: ffff9efd3ad9bf70 RDI: ffff9efd3ad9bf70

 6503 16:02:29.434755  # [   49.161126] RBP: ffffffffa17f96e3 R08: 0000000000000000 R09: 0000000000000000

 6504 16:02:29.444553  # [   49.169391] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016

 6505 16:02:29.451221  # [   49.177656] R13: ffffac21c2817f10 R14: ffffac21c2817f10 R15: ffff9efcc6cf2000

 6506 16:02:29.461016  # [   49.185920] FS:  00007fc3d32b6580(0000) GS:ffff9efd3ad80000(0000) knlGS:0000000000000000

 6507 16:02:29.467629  # [   49.195252] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6508 16:02:29.474180  # [   49.201962] CR2: 00007fc3d30c0000 CR3: 0000000105b40005 CR4: 00000000003706e0

 6509 16:02:29.477592  # [   49.210227] Call Trace:

 6510 16:02:29.481204  # [   49.213251]  ? __warn+0x80/0x110

 6511 16:02:29.487710  # [   49.217172]  ? refcount_warn_saturate+0x51/0x110

 6512 16:02:29.491624  # [   49.228830]  ? report_bug+0x9e/0xc0

 6513 16:02:29.497461  # [   49.233018]  ? handle_bug+0x41/0x90

 6514 16:02:29.501233  # [   49.237202]  ? exc_invalid_op+0x14/0x70

 6515 16:02:29.503983  # [   49.241777]  ? asm_exc_invalid_op+0x12/0x20

 6516 16:02:29.510555  # [   49.246743]  ? refcount_warn_saturate+0x51/0x110

 6517 16:02:29.517176  # [   49.252221]  ? refcount_warn_saturate+0x51/0x110

 6518 16:02:29.520584  # [   49.257669]  lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7

 6519 16:02:29.527002  # [   49.263312]  direct_entry.cold+0x2c/0x38

 6520 16:02:29.530429  # [   49.267985]  full_proxy_write+0x53/0x80

 6521 16:02:29.540113  # [   49.272560]  vfs_wri<6>[   61.677545] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO

 6522 16:02:29.540597  te+0xe7/0x3b0

 6523 16:02:29.547055  # [   49.276553]  ksys_write+0x68/0xf0

 6524 16:02:29.553794  # [   49.<6>[   61.687530] lkdtm: attempting good copy_to_user of correct size

 6525 16:02:29.557085  280544]  do_syscall_64+0x30/0x40

 6526 16:02:29.566544  # [   49.284827]  entry_SYSCAL<6>[   61.700633] lkdtm: attempting bad copy_to_user of too large size

 6527 16:02:29.570032  L_64_after_hwframe+0x61/0xc6

 6528 16:02:29.573061  # [   49.290762] RIP: 0033:0x7fc3d31cc473

 6529 16:02:29.596028  # [   49.295044] 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

 6530 16:02:29.603239  # [   49.316324] RSP: 002b:00007ffd94938838 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6531 16:02:29.612982  # [   49.325076] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fc3d31cc473

 6532 16:02:29.619308  # [   49.333341] RDX: 0000000000000016 RSI: 00007fc3d30c0000 RDI: 0000000000000001

 6533 16:02:29.629152  # [   49.341605] RBP: 00007fc3d30c0000 R08: 00007fc3d30bf010 R09: 0000000000000000

 6534 16:02:29.635670  # [   49.349860] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6535 16:02:29.645348  # [   49.358126] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6536 16:02:29.649103  # [   49.366394] irq event stamp: 0

 6537 16:02:29.655296  # [   49.370118] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6538 16:02:29.665230  # [   49.377429] hardirqs last disabled at (0): [<ffffffff9f8fd844>] copy_process+0x664/0x1c60

 6539 16:02:29.672314  # [   49.386870] softirqs last  enabled at (0): [<ffffffff9f8fd844>] copy_process+0x664/0x1c60

 6540 16:02:29.682340  # [   49.402512] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6541 16:02:29.685696  # [   49.409806] ---[ end trace ffd54ce207130e8a ]---

 6542 16:02:29.691790  # [   49.421473] lkdtm: Overflow detected: saturated

 6543 16:02:29.695152  # REFCOUNT_ADD_OVERFLOW: saw 'call trace:': ok

 6544 16:02:29.701371  ok 43 selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh

 6545 16:02:29.704599  # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh

 6546 16:02:29.714710  # [   49.540794] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW

 6547 16:02:29.721512  # [   49.552799] lkdtm: attempting bad refcount_inc_not_zero() overflow

 6548 16:02:29.728123  # [   49<6>[   61.864395] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM

 6549 16:02:29.734358  .566214] ------------[ cut here ]------------

 6550 16:02:29.741059  # [   49.577875] <6>[   61.876454] lkdtm: attempting good copy_from_user of correct size

 6551 16:02:29.751063  <6>[   61.889768] lkdtm: attempting bad copy_from_user of too large size

 6552 16:02:29.754270  refcount_t: saturated; leaking memory.

 6553 16:02:29.763973  # [   49.583551] WARNING: CPU: 1 PID: 2033 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110

 6554 16:02:29.816592  # [   49.599456] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 6555 16:02:29.823169  # [   49.658426] CPU: 1 PID: 2033 Comm: cat Tainted: G      D W         5.10.181-cip34 #1

 6556 16:02:29.829740  # [   49.673588] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6557 16:02:29.836247  # [   49.686908] RIP: 0010:refcount_warn_saturate+0x97/0x110

 6558 16:02:29.859435  # [   49.699253] Code: 01 01 e8 03 fe c0 00 0f 0b c3 cc cc cc cc 80 3d ec f2 f6 01 00 75 a8 48 c7 c7 68 46 75 a1 c6 05 dc f2 f6 01 01 e8 e0 fd c0 00 <0f> 0b c3 cc cc cc cc 80 3d c6 f2 f6 01 00 75 85 48 c7 c7 c0 46 75

 6559 16:02:29.865788  # [   49.726754] RSP: 0018:ffffac21c28c7e38 EFLAGS: 00010282

 6560 16:02:29.872491  # [   49.739105] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000

 6561 16:02:29.882560  # [   49.753585] RDX: ffff9efd3acac660 RSI: ffff9efd3ac9bf70 RDI: ffff9efd3ac9bf70

 6562 16:02:29.892228  # [   49.768063] RBP: ffffffffa17f9320 R08: 0000000000<6>[   62.030042] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO

 6563 16:02:29.895212  000000 R09: 0000000000000000

 6564 16:02:29.905309  # [   49.782548] R10: 00000000ffff<6>[   62.041545] lkdtm: attempting good copy_to_user inside whitelist

 6565 16:02:29.911633  e000 R11: 3fffffffffffffff R12: 000000000000001f

 6566 16:02:29.918459  # [   49.79703<6>[   62.054846] lkdtm: attempting bad copy_to_user outside whitelist

 6567 16:02:29.928373  2] R13: ffffac21c28c7f10 R14: ffffac21c28c7f10 R15: ffff9efcc6eda000

 6568 16:02:29.934973  # [   49.811517] FS:  00007f7764bed580(0000) GS:ffff9efd3ac80000(0000) knlGS:0000000000000000

 6569 16:02:29.941823  # [   49.827069] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6570 16:02:29.951898  # [   49.839998] CR2: 00007f77649f7000 CR3: 00000001030a8003 CR4: 00000000003706e0

 6571 16:02:29.954875  # [   49.854490] Call Trace:

 6572 16:02:29.958040  # [   49.863735]  ? __warn+0x80/0x110

 6573 16:02:29.961360  # [   49.873842]  ? refcount_warn_saturate+0x97/0x110

 6574 16:02:29.968292  # [   49.885510]  ? report_bug+0x9e/0xc0

 6575 16:02:29.971480  # [   49.895914]  ? handle_bug+0x41/0x90

 6576 16:02:29.975368  # [   49.906315]  ? exc_invalid_op+0x14/0x70

 6577 16:02:29.981585  # [   49.917108]  ? asm_exc_invalid_op+0x12/0x20

 6578 16:02:29.984767  # [   49.928291]  ? refcount_warn_saturate+0x97/0x110

 6579 16:02:29.991165  # [   49.939953]  ? refcount_warn_saturate+0x97/0x110

 6580 16:02:29.998725  # [   49.951620]  __refcount_add_not_zero.constprop.0+0x2a/0x35

 6581 16:02:30.004719  # [   49.964260]  lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76

 6582 16:02:30.007751  # [   49.976994]  direct_entry.cold+0x2c/0x38

 6583 16:02:30.014439  # [   49.987883]  full_proxy_write+0x53/0x80

 6584 16:02:30.017976  # [   49.998674]  vfs_write+0xe7/0x3b0

 6585 16:02:30.021265  # [   50.008882]  ksys_write+0x68/0xf0

 6586 16:02:30.024355  # [   50.019090]  do_syscall_64+0x30/0x40

 6587 16:02:30.031104  # [   50.029591]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 6588 16:02:30.034816  # [   50.041743] RIP: 0033:0x7f7764b03473

 6589 16:02:30.057959  # [   50.052239] 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

 6590 16:02:30.064378  # [   50.079737] RSP: 002b:00007ffe7e5b2d88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6591 16:02:30.073935  # [   50.094705] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f7764b03473

 6592 16:02:30.080439  # [   50.109187] RDX: 000000000000001f RSI: 00007f77649f7000 RDI: 0000000000000001

 6593 16:02:30.090549  # [   50.123670] RBP: 00007f77649f7000 R08: 00007f77649f6010 R09: 0000000000000000

 6594 16:02:30.103719  # [   50.138152] R10: fffffffffffffbc5 R11: 00000000<6>[   62.238437] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM

 6595 16:02:30.106616  00000246 R12: 0000000000000001

 6596 16:02:30.116749  # [   50.152635] R13: 0000000000<6>[   62.249677] lkdtm: attempting good copy_from_user inside whitelist

 6597 16:02:30.119731  000001 R14: 0000000000020000 R15: 0000000000020000

 6598 16:02:30.129778  # [   50.167<6>[   62.263114] lkdtm: attempting bad copy_from_user outside whitelist

 6599 16:02:30.133229  120] irq event stamp: 0

 6600 16:02:30.139607  # [   50.177031] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6601 16:02:30.149639  # [   50.190544] hardirqs last disabled at (0): [<ffffffff9f8fd844>] copy_process+0x664/0x1c60

 6602 16:02:30.155963  # [   50.206191] softirqs last  enabled at (0): [<ffffffff9f8fd844>] copy_process+0x664/0x1c60

 6603 16:02:30.165559  # [   50.221836] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6604 16:02:30.168562  # [   50.235345] ---[ end trace ffd54ce207130e8b ]---

 6605 16:02:30.175530  # [   50.247011] lkdtm: Overflow detected: saturated

 6606 16:02:30.178460  # REFCOUNT_INC_NOT_ZERO_OVERFLOW: saw 'call trace:': ok

 6607 16:02:30.185590  ok 44 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh

 6608 16:02:30.191733  # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh

 6609 16:02:30.198331  # [   50.365353] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW

 6610 16:02:30.205142  # [   50.378332] lkdtm: attempting bad refcount_add_not_zero() overflow

 6611 16:02:30.211872  # [   50.385556] ------------[ cut here ]------------

 6612 16:02:30.218208  # [   50.391018] refcount_t: saturated; leaking memory.

 6613 16:02:30.228479  # [   50.396686] WARNING: CPU: 2 PID: 2065 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110

 6614 16:02:30.271443  # [   50.406416] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_ther<6>[   62.408638] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO

 6615 16:02:30.281152  <6>[   62.420434] lkdtm: good_stack: ffffac21c33bfe20-ffffac21c33bfe40

 6616 16:02:30.294377  mal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regma<6>[   62.427453] lkdtm: bad_stack : ffffac21c33bfda8-ffffac21c33bfdc8

 6617 16:02:30.307290  p_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight c<6>[   62.440680] lkdtm: attempting good copy_to_user of local stack

 6618 16:02:30.313778  <6>[   62.453717] lkdtm: attempting bad copy_to_user of distant stack

 6619 16:02:30.314256  oreboot_table

 6620 16:02:30.323727  # [   50.459202] CPU: 2 PID: 2065 Comm: cat Tainted: G      D W         5.10.181-cip34 #1

 6621 16:02:30.330630  # [   50.474356] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6622 16:02:30.337425  # [   50.481459] RIP: 0010:refcount_warn_saturate+0x97/0x110

 6623 16:02:30.356965  # [   50.487588] Code: 01 01 e8 03 fe c0 00 0f 0b c3 cc cc cc cc 80 3d ec f2 f6 01 00 75 a8 48 c7 c7 68 46 75 a1 c6 05 dc f2 f6 01 01 e8 e0 fd c0 00 <0f> 0b c3 cc cc cc cc 80 3d c6 f2 f6 01 00 75 85 48 c7 c7 c0 46 75

 6624 16:02:30.363510  # [   50.508870] RSP: 0018:ffffac21c2927e38 EFLAGS: 00010282

 6625 16:02:30.373262  # [   50.515000] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000

 6626 16:02:30.380079  # [   50.529499] RDX: ffff9efd3ad2c660 RSI: ffff9efd3ad1bf70 RDI: ffff9efd3ad1bf70

 6627 16:02:30.386620  # [   50.537794] RBP: ffffffffa17f9340 R08: 0000000000000000 R09: 0000000000000000

 6628 16:02:30.396396  # [   50.546057] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f

 6629 16:02:30.402917  # [   50.554323] R13: ffffac21c2927f10 R14: ffffac21c2927f10 R15: ffff9efcc6e61000

 6630 16:02:30.413351  # [   50.562588] FS:  00007fc98e3a4580(0000) GS:ffff9efd3ad00000(0000) knlGS:0000000000000000

 6631 16:02:30.419453  # [   50.571925] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6632 16:02:30.429267  # [   50.578663] CR2: 00007fc98e1ae000 CR3: 0000000105a6c005 CR4: 00000000003706e0

 6633 16:02:30.432559  # [   50.593138] Call Trace:

 6634 16:02:30.435879  # [   50.596163]  ? __warn+0x80/0x110

 6635 16:02:30.439098  # [   50.600088]  ? refcount_warn_saturate+0x97/0x110

 6636 16:02:30.445820  # [   50.605536]  ? report_bug+0x9e/0xc0

 6637 16:02:30.449924  # [   50.609724]  ? handle_bug+0x41/0x90

 6638 16:02:30.455810  # [   50.6139<6>[   62.597044] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM

 6639 16:02:30.459389  09]  ? exc_invalid_op+0x14/0x70

 6640 16:02:30.469131  # [   50.618491]  ? asm_exc_inv<6>[   62.604798] lkdtm: good_stack: ffffac21c345fe20-ffffac21c345fe40

 6641 16:02:30.472580  alid_op+0x12/0x20

 6642 16:02:30.482335  # [   50.623450]  ? refcount_warn_saturate+0x<6>[   62.618037] lkdtm: bad_stack : ffffac21c345fda8-ffffac21c345fdc8

 6643 16:02:30.485831  97/0x110

 6644 16:02:30.488955  # [   50.635115]  ? refcount_warn_saturate+0x97/0x110

 6645 16:02:30.498895  <6>[   62.631246] lkdtm: attempting good copy_from_user of local stack

 6646 16:02:30.499519  

 6647 16:02:30.511399  # [   50.640564]  __refcount_add_not_zero.constprop.0+0x2a/0x35<6>[   62.644529] lkdtm: attempting bad copy_from_user of distant stack

 6648 16:02:30.512012  

 6649 16:02:30.518469  # [   50.646983]  lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76

 6650 16:02:30.521308  # [   50.653500]  direct_entry.cold+0x2c/0x38

 6651 16:02:30.524976  # [   50.658172]  full_proxy_write+0x53/0x80

 6652 16:02:30.531324  # [   50.662748]  vfs_write+0xe7/0x3b0

 6653 16:02:30.534549  # [   50.666738]  ksys_write+0x68/0xf0

 6654 16:02:30.537813  # [   50.670730]  do_syscall_64+0x30/0x40

 6655 16:02:30.544314  # [   50.675013]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 6656 16:02:30.547236  # [   50.680946] RIP: 0033:0x7fc98e2ba473

 6657 16:02:30.567217  # [   50.685230] 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

 6658 16:02:30.576867  # [   50.706511] RSP: 002b:00007ffdcaeeedf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6659 16:02:30.586875  # [   50.715261] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fc98e2ba473

 6660 16:02:30.593378  # [   50.723515] RDX: 000000000000001f RSI: 00007fc98e1ae000 RDI: 0000000000000001

 6661 16:02:30.603837  # [   50.731770] RBP: 00007fc98e1ae000 R08: 00007fc98e1ad010 R09: 0000000000000000

 6662 16:02:30.610227  # [   50.740034] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6663 16:02:30.616875  # [   50.748297] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6664 16:02:30.623027  # [   50.756556] irq event stamp: 0

 6665 16:02:30.629399  # [   50.760279] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6666 16:02:30.639514  # [   50.767573] hardirqs last disabled at (0): [<ffffffff9f8fd844>] copy_process+0x664/0x1c60

 6667 16:02:30.652821  # [   50.777002] softirqs last  enabled at (0): [<ffffffff9f8fd844>] copy_process+0x664<6>[   62.790891] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND

 6668 16:02:30.656130  /0x1c60

 6669 16:02:30.666115  # [   50.786433] softirqs last disabled at (0): [<00000<6>[   62.801783] lkdtm: good_stack: ffffac21c34dfe20-ffffac21c34dfe40

 6670 16:02:30.675859  <6>[   62.815001] lkdtm: bad_stack : ffffac21c34dfff8-ffffac21c34e0018

 6671 16:02:30.682830  <6>[   62.822014] lkdtm: attempting good copy_to_user of local stack

 6672 16:02:30.683446  00000000000>] 0x0

 6673 16:02:30.695810  # [   50.799943] ---[ end trace ffd54ce207130<6>[   62.828852] lkdtm: attempting bad copy_to_user of distant stack

 6674 16:02:30.701921  <4>[   62.841965] lkdtm: copy_to_user failed, but lacked Oops

 6675 16:02:30.702247  e8c ]---

 6676 16:02:30.705022  # [   50.811611] lkdtm: Overflow detected: saturated

 6677 16:02:30.712142  # REFCOUNT_ADD_NOT_ZERO_OVERFLOW: saw 'call trace:': ok

 6678 16:02:30.718811  ok 45 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh

 6679 16:02:30.721982  # selftests: lkdtm: REFCOUNT_DEC_ZERO.sh

 6680 16:02:30.728500  # [   50.931045] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO

 6681 16:02:30.735125  # [   50.941743] lkdtm: attempting good refcount_dec()

 6682 16:02:30.741470  # [   50.953478] lkdtm: attempting bad refcount_dec() to zero

 6683 16:02:30.744982  # [   50.965904] ------------[ cut here ]------------

 6684 16:02:30.751498  # [   50.977569] refcount_t: decrement hit 0; leaking memory.

 6685 16:02:30.761453  # [   50.983850] WARNING: CPU: 0 PID: 2097 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110

 6686 16:02:30.814106  # [   50.999769] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 6687 16:02:30.824147  # [   51.058744] CPU: 0 PID: 2097 Comm: cat Tainted: G      D W         5.10.181-cip34 #1

 6688 16:02:30.830425  # [   51.073892] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6689 16:02:30.836693  # [   51.087248] RIP: 0010:refcount_warn_saturate+0xfb/0x110

 6690 16:02:30.856972  # [   51.099617] Code: 18 47 75 a1 c6 05 8d f2 f6 01 01 e8 96 fd c0 00 0f 0b c3 cc cc cc cc 48 c7 c7 e8 46 75 a1 c6 05 74 f2 f6 01 01 e8 7c fd c0 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b

 6691 16:02:30.863055  # [   51.127112] RSP: 0018:ffffac21c29cfe48 EFLAGS: 00010286

 6692 16:02:30.869798  # [   51.139491] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000

 6693 16:02:30.883081  # [   51.153980] RDX: ffff9efd3ac2c6<6>[   63.016900] lkdtm: Performing direct entry USERCOPY_KERNEL

 6694 16:02:30.886668  60 RSI: ffff9efd3ac1bf70 RDI: ffff9efd3ac1bf70

 6695 16:02:30.896609  # [   51.168503]<6>[   63.028805] lkdtm: attempting good copy_to_user from kernel rodata: ffffffffa137ecd0

 6696 16:02:30.913148   RBP: ffffffffa17f96f9 R08: 0000000000000000 R09: 00000000000000<6>[   63.043990] lkdtm: attempting bad copy_to_user from kernel text: ffffffff9fae1300

 6697 16:02:30.913725  00

 6698 16:02:30.922510  # [   51.182978] R10: 00000000ffffe000 R11: 3fffffffffffffff<3>[   63.058834] lkdtm: FAIL: survived bad copy_to_user()

 6699 16:02:30.925622   R12: 0000000000000012

 6700 16:02:30.932398  # [   51.197479] R13: ffffac21c29cff10 R14: ffffac21c29cff10 R15: ffff9efcc2ae6000

 6701 16:02:30.942695  # [   51.211970] FS:  00007fd8e4c50580(0000) GS:ffff9efd3ac00000(0000) knlGS:0000000000000000

 6702 16:02:30.949049  # [   51.227582] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6703 16:02:30.958663  # [   51.240469] CR2: 00007fd8e4a5a000 CR3: 0000000105a66001 CR4: 00000000003706f0

 6704 16:02:30.961622  # [   51.254978] Call Trace:

 6705 16:02:30.965235  # [   51.264237]  ? __warn+0x80/0x110

 6706 16:02:30.968338  # [   51.274372]  ? refcount_warn_saturate+0xfb/0x110

 6707 16:02:30.974811  # [   51.286034]  ? report_bug+0x9e/0xc0

 6708 16:02:30.977965  # [   51.296490]  ? handle_bug+0x41/0x90

 6709 16:02:30.981343  # [   51.306890]  ? exc_invalid_op+0x14/0x70

 6710 16:02:30.988171  # [   51.317710]  ? asm_exc_invalid_op+0x12/0x20

 6711 16:02:30.991440  # [   51.328897]  ? refcount_warn_saturate+0xfb/0x110

 6712 16:02:30.997746  # [   51.340597]  ? refcount_warn_saturate+0xfb/0x110

 6713 16:02:31.004946  # [   51.352256]  lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd

 6714 16:02:31.008245  # [   51.363764]  direct_entry.cold+0x2c/0x38

 6715 16:02:31.011645  # [   51.374645]  full_proxy_write+0x53/0x80

 6716 16:02:31.014640  # [   51.385492]  vfs_write+0xe7/0x3b0

 6717 16:02:31.021563  # [   51.395697]  ksys_write+0x68/0xf0

 6718 16:02:31.024184  # [   51.405977]  do_syscall_64+0x30/0x40

 6719 16:02:31.030827  # [   51.416428]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 6720 16:02:31.034066  # [   51.428563] RIP: 0033:0x7fd8e4b66473

 6721 16:02:31.060311  # [   51.439061] 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 4<6>[   63.199299] lkdtm: Performing direct entry STACKLEAK_ERASING

 6722 16:02:31.064185  8 89 54 24 18

 6723 16:02:31.073675  # [   51.466614] RSP: 002b:00007ffd83fc9478 EFLAG<6>[   63.208198] lkdtm: checking unused part of the thread stack (15928 bytes)...

 6724 16:02:31.080342  S: 00000246 ORIG_RAX: 0000000000000001

 6725 16:02:31.090008  # [   51.481569] RAX: ff<3>[   63.222588] lkdtm: FAIL: the erased part is not found (checked 15928 bytes)

 6726 16:02:31.096468  ffffffffffffda RBX: 0000000000000012 RCX: 00007fd8e4b66473

 6727 16:02:31.103373  # [ <3>[   63.236866] lkdtm: FAIL: the thread stack is NOT properly erased

 6728 16:02:31.116189    51.496082] RDX: 0000000000000012 RSI: 00007fd8e4a5a000 RDI: 00<4>[   63.250086] CPU: 1 PID: 2870 Comm: cat Tainted: G      D W         5.10.181-cip34 #1

 6729 16:02:31.126620  <4>[   63.265243] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6730 16:02:31.129789  <4>[   63.272338] Call Trace:

 6731 16:02:31.130248  00000000000001

 6732 16:02:31.139488  # [   51.510556] RBP: 00007fd8e4a5a000 R08: 0000<4>[   63.275362]  dump_stack+0x77/0x9b

 6733 16:02:31.142539  <4>[   63.285566]  lkdtm_STACKLEAK_ERASING+0x116/0x144

 6734 16:02:31.149202  <4>[   63.291013]  direct_entry.cold+0x2c/0x38

 6735 16:02:31.152462  <4>[   63.295685]  full_proxy_write+0x53/0x80

 6736 16:02:31.155767  7fd8e4a59010 R09: 0000000000000000

 6737 16:02:31.162421  # [   51.525047] R10: ffffff<4>[   63.300260]  vfs_write+0xe7/0x3b0

 6738 16:02:31.165760  <4>[   63.310462]  ksys_write+0x68/0xf0

 6739 16:02:31.172102  <4>[   63.314455]  do_syscall_64+0x30/0x40

 6740 16:02:31.175377  fffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6741 16:02:31.181798  # [   51<4>[   63.318736]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 6742 16:02:31.188714  <4>[   63.330882] RIP: 0033:0x7f6277225473

 6743 16:02:31.208597  <4>[   63.335164] 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

 6744 16:02:31.218234  <4>[   63.356443] RSP: 002b:00007ffe5b7af278 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6745 16:02:31.224783  <4>[   63.365192] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f6277225473

 6746 16:02:31.234863  <4>[   63.373454] RDX: 0000000000000012 RSI: 00007f6277119000 RDI: 0000000000000001

 6747 16:02:31.241340  <4>[   63.381715] RBP: 00007f6277119000 R08: 00007f6277118010 R09: 0000000000000000

 6748 16:02:31.250898  <4>[   63.389977] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6749 16:02:31.257534  <4>[   63.398238] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6750 16:02:31.267019  .539545] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6751 16:02:31.270637  # [   51.554041] irq event stamp: 0

 6752 16:02:31.277616  # [   51.563965] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6753 16:02:31.287311  # [   51.577443] hardirqs last disabled at (0): [<ffffffff9f8fd844>] copy_process+0x664/0x1c60

 6754 16:02:31.296776  # [   51.593094] softirqs last  enabled at (0): [<ffffffff9f8fd844>] copy_process+0x664/0x1c60

 6755 16:02:31.303130  # [   51.608733] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6756 16:02:31.306589  # [   51.622252] ---[ end trace ffd54ce207130e8d ]---

 6757 16:02:31.313148  # [   51.633932] lkdtm: Zero detected: saturated

 6758 16:02:31.316502  # REFCOUNT_DEC_ZERO: saw 'call trace:': ok

 6759 16:02:31.323375  ok 46 selftests: lkdtm: REFCOUNT_DEC_ZERO.sh

 6760 16:02:31.326570  # selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh

 6761 16:02:31.333203  # [   51.777925] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE

 6762 16:02:31.339540  # [   51.788869] lkdtm: attempting bad refcount_dec() below zero

 6763 16:02:31.346348  # [   51.801611] ------------[ cut here ]------------

 6764 16:02:31.352483  # [   51.813267] refcount_t: decrement hit 0; leaking memory.

 6765 16:02:31.359287  # [   51.825723] WARNING: CPU: 1 PID: 2132 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110

 6766 16:02:31.411700  # [   51.841652] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 6767 16:02:31.421770  # [   51.900621] CPU: 1 PID: 2132 Comm: cat Tainted: G      D W         5.10.181-cip34 #1

 6768 16:02:31.428246  # [   51.915779] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6769 16:02:31.435056  # [   51.929092] RIP: 0010:refcount_warn_saturate+0xfb/0x110

 6770 16:02:31.445117  # [   51.941445] Code: 18 47 75 a1 c6 05 <6>[   63.583953] lkdtm: Performing direct entry CFI_FORWARD_PROTO

 6771 16:02:31.451685  <6>[   63.593695] lkdtm: Calling matched prototype ...

 6772 16:02:31.458107  <6>[   63.599152] lkdtm: Calling mismatched prototype ...

 6773 16:02:31.465054  <6>[   63.604899] lkdtm: Fail: survived mismatched prototype function call!

 6774 16:02:31.481093  8d f2 f6 01 01 e8 96 fd c0 00 0f 0b c3 cc cc cc cc 48 c7 c7 e8 46 75 a1 c6 05 74 f2 f6 01 01 e8 7c fd c0 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b

 6775 16:02:31.487525  # [   51.968944] RSP: 0018:ffffac21c2a57e48 EFLAGS: 00010286

 6776 16:02:31.497258  # [   51.975096] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000

 6777 16:02:31.503812  # [   51.989573] RDX: ffff9efd3acac660 RSI: ffff9efd3ac9bf70 RDI: ffff9efd3ac9bf70

 6778 16:02:31.513169  # [   51.997839] RBP: ffffffffa17f970b R08: 0000000000000000 R09: 0000000000000000

 6779 16:02:31.520056  # [   52.006104] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016

 6780 16:02:31.529739  # [   52.014370] R13: ffffac21c2a57f10 R14: ffffac21c2a57f10 R15: ffff9efcc5a6b000

 6781 16:02:31.539906  # [   52.022636] FS:  00007f44f5d28580(0000) GS:ffff9efd3ac80000(0000) knlGS:0000000000000000

 6782 16:02:31.546845  # [   52.031971] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6783 16:02:31.553071  # [   52.044891] CR2: 00007f44f5b32000 CR3: 00000001045bc005 CR4: 00000000003706e0

 6784 16:02:31.556657  # [   52.053156] Call Trace:

 6785 16:02:31.559817  # [   52.062393]  ? __warn+0x80/0x110

 6786 16:02:31.565906  # [   52.072503]  ? refcount_warn_saturate+0xfb/0x110

 6787 16:02:31.569472  # [   52.077953]  ? report_bug+0x9e/0xc0

 6788 16:02:31.576058  # [   52.088351]  ? handle_bug+0x41/0x90

 6789 16:02:31.579087  # [   52.098753]  ? exc_invalid_op+0x14/0x70

 6790 16:02:31.586128  # [   52.103331]  ? asm_exc_invalid_op+0x12/0x20

 6791 16:02:31.589811  # [   52.114512]  ? refcount_warn_saturate+0xfb/0x110

 6792 16:02:31.595656  # [   52.126175]  ? refcount_warn_saturate+0xfb/0x110

 6793 16:02:31.602223  # [   52.137838]  lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61

 6794 16:02:31.605609  # [   52.149698]  direct_entry.cold+0x2c/0x38

 6795 16:02:31.612205  # [   52.160585]  full_proxy_write+0x53/0x80

 6796 16:02:31.615501  # [   52.171377]  vfs_write+0xe7/0x3b0

 6797 16:02:31.618857  # [   52.181586]  ksys_write+0x68/0xf0

 6798 16:02:31.622469  # [   52.185604]  do_syscall_64+0x30/0x40

 6799 16:02:31.628437  # [   52.196095]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 6800 16:02:31.635203  # [   52.202029] RIP: 0033:0x7f44f5c3e473

 6801 16:02:31.654975  # [   52.212522] 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

 6802 16:02:31.664966  # [   52.233801] RSP: 002b:00007ffd8d3e65c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6803 16:02:31.674764  # [   52.248762] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f44f5c3e473

 6804 16:02:31.681276  # [   52.257026] RDX: 0000000000000016 RSI: 00007f44f5b32000 RDI: 0000000000000001

 6805 16:02:31.691214  # [   52.271501] RBP: 00007f44f5b32000 R08: 00007f44f5b31010 R09: 0000000000000000

 6806 16:02:31.697719  # [   52.279767] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6807 16:02:31.707804  # [   52.288031] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6808 16:02:31.710692  # [   52.296298] irq event stamp: 0

 6809 16:02:31.717100  # [   52.306211] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6810 16:02:31.727234  # [   52.313509] hardirqs last disabled at (0): [<ffffffff9f8fd844>] copy_process+0x664/0x1c60

 6811 16:02:31.736859  # [   52.329148] softirqs last  enabled at (0): [<ffffffff9f8fd844>] copy_process+0x664/0x1c60

 6812 16:02:31.747292  # [   52.338577] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6813 16:02:31.750508  # [   52.352079] ---[ end trace ffd54ce207130e8e ]---

 6814 16:02:31.756560  # [   52.357529] lkdtm: Negative detected: saturated

 6815 16:02:31.763400  # REFCOUNT_DEC_NEGATIVE: saw 'Negative detected: saturated': ok

 6816 16:02:31.769707  ok 47 selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh

 6817 16:02:31.773386  # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh

 6818 16:02:31.782907  # [   52.506112] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE

 6819 16:02:31.789261  # [   52.520166] lkdtm: attempting bad refcount_dec_and_test() below zero

 6820 16:02:31.795734  # [   52.533796] ------------[ cut here ]------------

 6821 16:02:31.799147  # [   52.545449] refcount_t: underflow; use-after-free.

 6822 16:02:31.808924  # [   52.557368] WARNING: CPU: 0 PID: 2167 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110

 6823 16:02:31.864497  # [   52.573255] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 6824 16:02:31.874867  # [   52.632294] CPU: 0 PID: 2167 Comm: cat Tainted: G      D W         5.10.181-cip34 #1

 6825 16:02:31.881302  # [   52.647443] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6826 16:02:31.887828  # [   52.660743] RIP: 0010:refcount_warn_saturate+0xba/0x110

 6827 16:02:31.907356  # [   52.673081] Code: 01 01 e8 e0 fd c0 00 0f 0b c3 cc cc cc cc 80 3d c6 f2 f6 01 00 75 85 48 c7 c7 c0 46 75 a1 c6 05 b6 f2 f6 01 01 e8 bd fd c0 00 <0f> 0b c3 cc cc cc cc 80 3d a1 f2 f6 01 00 0f 85 5e ff ff ff 48 c7

 6828 16:02:31.913996  # [   52.700570] RSP: 0018:ffffac21c2af7e40 EFLAGS: 00010286

 6829 16:02:31.923931  # [   52.712936] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000

 6830 16:02:31.930082  # [   52.727389] RDX: ffff9efd3ac2c660 RSI: ffff9efd3ac1bf70 RDI: ffff9efd3ac1bf70

 6831 16:02:31.940128  # [   52.741897] RBP: ffffffffa17f9360 R08: 0000000000000000 R09: 0000000000000000

 6832 16:02:31.950170  # [   52.756359] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f

 6833 16:02:31.956550  # [   52.770869] R13: ffffac21c2af7f10 R14: ffffac21c2af7f10 R15: ffff9efcc26d7000

 6834 16:02:31.966388  # [   52.785329] FS:  00007f5cb979e580(0000) GS:ffff9efd3ac00000(0000) knlGS:0000000000000000

 6835 16:02:31.973004  # [   52.800889] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6836 16:02:31.982785  # [   52.813822] CR2: 00007f5cb95a8000 CR3: 0000000102998006 CR4: 00000000003706f0

 6837 16:02:31.985861  # [   52.828326] Call Trace:

 6838 16:02:31.989363  # [   52.837547]  ? __warn+0x80/0x110

 6839 16:02:31.996212  # [   52.847684]  ? refcount_warn_saturate+0xba/0x110

 6840 16:02:31.999413  # [   52.859327]  ? report_bug+0x9e/0xc0

 6841 16:02:32.002300  # [   52.869752]  ? handle_bug+0x41/0x90

 6842 16:02:32.009024  # [   52.880136]  ? exc_invalid_op+0x14/0x70

 6843 16:02:32.012265  # [   52.890957]  ? asm_exc_invalid_op+0x12/0x20

 6844 16:02:32.018856  # [   52.902120]  ? refcount_warn_saturate+0xba/0x110

 6845 16:02:32.025952  # [   52.913788]  __refcount_sub_and_test.constprop.0+0x3c/0x50

 6846 16:02:32.031876  # [   52.926437]  lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78

 6847 16:02:32.035605  # [   52.939173]  direct_entry.cold+0x2c/0x38

 6848 16:02:32.042176  # [   52.950047]  full_proxy_write+0x53/0x80

 6849 16:02:32.045292  # [   52.960848]  vfs_write+0xe7/0x3b0

 6850 16:02:32.048903  # [   52.971049]  ksys_write+0x68/0xf0

 6851 16:02:32.051579  # [   52.981292]  do_syscall_64+0x30/0x40

 6852 16:02:32.058101  # [   52.991766]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 6853 16:02:32.065519  # [   53.003917] RIP: 0033:0x7f5cb96b4473

 6854 16:02:32.084862  # [   53.014440] 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

 6855 16:02:32.094548  # [   53.041948] RSP: 002b:00007ffdab443b68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6856 16:02:32.104466  # [   53.056896] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f5cb96b4473

 6857 16:02:32.110618  # [   53.071387] RDX: 000000000000001f RSI: 00007f5cb95a8000 RDI: 0000000000000001

 6858 16:02:32.120624  # [   53.085861] RBP: 00007f5cb95a8000 R08: 00007f5cb95a7010 R09: 0000000000000000

 6859 16:02:32.127103  # [   53.100374] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6860 16:02:32.136854  # [   53.114866] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6861 16:02:32.140433  # [   53.129376] irq event stamp: 0

 6862 16:02:32.146560  # [   53.139288] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6863 16:02:32.156645  # [   53.152813] hardirqs last disabled at (0): [<ffffffff9f8fd844>] copy_process+0x664/0x1c60

 6864 16:02:32.166526  # [   53.168453] softirqs last  enabled at (0): [<ffffffff9f8fd844>] copy_process+0x664/0x1c60

 6865 16:02:32.173683  # [   53.184110] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6866 16:02:32.179755  # [   53.197617] ---[ end trace ffd54ce207130e8f ]---

 6867 16:02:32.186205  # [   53.209315] lkdtm: Negative detected: saturated

 6868 16:02:32.193099  # REFCOUNT_DEC_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok

 6869 16:02:32.199659  ok 48 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh

 6870 16:02:32.206363  # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh

 6871 16:02:32.212568  # [   53.340620] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE

 6872 16:02:32.218987  # [   53.353021] lkdtm: attempting bad refcount_sub_and_test() below zero

 6873 16:02:32.226261  # [   53.360451] ------------[ cut here ]------------

 6874 16:02:32.232131  # [   53.365902] refcount_t: underflow; use-after-free.

 6875 16:02:32.242127  # [   53.377787] WARNING: CPU: 3 PID: 2202 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110

 6876 16:02:32.297498  # [   53.387515] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 6877 16:02:32.304464  # [   53.446499] CPU: 3 PID: 2202 Comm: cat Tainted: G      D W         5.10.181-cip34 #1

 6878 16:02:32.311018  # [   53.455488] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6879 16:02:32.317664  # [   53.462622] RIP: 0010:refcount_warn_saturate+0xba/0x110

 6880 16:02:32.340321  # [   53.468753] Code: 01 01 e8 e0 fd c0 00 0f 0b c3 cc cc cc cc 80 3d c6 f2 f6 01 00 75 85 48 c7 c7 c0 46 75 a1 c6 05 b6 f2 f6 01 01 e8 bd fd c0 00 <0f> 0b c3 cc cc cc cc 80 3d a1 f2 f6 01 00 0f 85 5e ff ff ff 48 c7

 6881 16:02:32.347090  # [   53.490035] RSP: 0018:ffffac21c2b77e40 EFLAGS: 00010286

 6882 16:02:32.353488  # [   53.496164] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000

 6883 16:02:32.363610  # [   53.504430] RDX: ffff9efd3adac660 RSI: ffff9efd3ad9bf70 RDI: ffff9efd3ad9bf70

 6884 16:02:32.373338  # [   53.518913] RBP: ffffffffa17f9380 R08: 0000000000000000 R09: 0000000000000000

 6885 16:02:32.380986  # [   53.533396] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f

 6886 16:02:32.389504  # [   53.541661] R13: ffffac21c2b77f10 R14: ffffac21c2b77f10 R15: ffff9efcc4283000

 6887 16:02:32.399352  # [   53.556141] FS:  00007f074e3b3580(0000) GS:ffff9efd3ad80000(0000) knlGS:0000000000000000

 6888 16:02:32.406447  # [   53.565486] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6889 16:02:32.412648  # [   53.572228] CR2: 00007f074e1bd000 CR3: 0000000104a06004 CR4: 00000000003706e0

 6890 16:02:32.416155  # [   53.580504] Call Trace:

 6891 16:02:32.422606  # [   53.583546]  ? __warn+0x80/0x110

 6892 16:02:32.425821  # [   53.587457]  ? refcount_warn_saturate+0xba/0x110

 6893 16:02:32.432027  # [   53.599113]  ? report_bug+0x9e/0xc0

 6894 16:02:32.435582  # [   53.603325]  ? handle_bug+0x41/0x90

 6895 16:02:32.439377  # [   53.607511]  ? exc_invalid_op+0x14/0x70

 6896 16:02:32.445458  # [   53.612085]  ? asm_exc_invalid_op+0x12/0x20

 6897 16:02:32.448581  # [   53.617051]  ? refcount_warn_saturate+0xba/0x110

 6898 16:02:32.455241  # [   53.622526]  __refcount_sub_and_test.constprop.0+0x3c/0x50

 6899 16:02:32.464816  # [   53.628945]  lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b

 6900 16:02:32.468554  # [   53.635463]  direct_entry.cold+0x2c/0x38

 6901 16:02:32.471348  # [   53.640136]  full_proxy_write+0x53/0x80

 6902 16:02:32.478140  # [   53.644712]  vfs_write+0xe7/0x3b0

 6903 16:02:32.481450  # [   53.648705]  ksys_write+0x68/0xf0

 6904 16:02:32.485065  # [   53.652698]  do_syscall_64+0x30/0x40

 6905 16:02:32.491488  # [   53.656981]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 6906 16:02:32.494738  # [   53.662915] RIP: 0033:0x7f074e2c9473

 6907 16:02:32.517854  # [   53.667198] 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

 6908 16:02:32.527410  # [   53.688492] RSP: 002b:00007fff5f6abba8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6909 16:02:32.533547  # [   53.697276] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f074e2c9473

 6910 16:02:32.544229  # [   53.705540] RDX: 000000000000001f RSI: 00007f074e1bd000 RDI: 0000000000000001

 6911 16:02:32.550329  # [   53.713805] RBP: 00007f074e1bd000 R08: 00007f074e1bc010 R09: 0000000000000000

 6912 16:02:32.560354  # [   53.722068] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6913 16:02:32.570151  # [   53.730322] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6914 16:02:32.573296  # [   53.738590] irq event stamp: 0

 6915 16:02:32.580021  # [   53.742290] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6916 16:02:32.589918  # [   53.749585] hardirqs last disabled at (0): [<ffffffff9f8fd844>] copy_process+0x664/0x1c60

 6917 16:02:32.599968  # [   53.759015] softirqs last  enabled at (0): [<ffffffff9f8fd844>] copy_process+0x664/0x1c60

 6918 16:02:32.605958  # [   53.768446] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6919 16:02:32.612825  # [   53.775742] ---[ end trace ffd54ce207130e90 ]---

 6920 16:02:32.619321  # [   53.787402] lkdtm: Negative detected: saturated

 6921 16:02:32.626236  # REFCOUNT_SUB_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok

 6922 16:02:32.632410  ok 49 selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh

 6923 16:02:32.635780  # selftests: lkdtm: REFCOUNT_INC_ZERO.sh

 6924 16:02:32.642689  # [   53.912741] lkdtm: Performing direct entry REFCOUNT_INC_ZERO

 6925 16:02:32.648710  # [   53.923715] lkdtm: attempting safe refcount_inc_not_zero() from zero

 6926 16:02:32.655866  # [   53.931121] lkdtm: Good: zero detected

 6927 16:02:32.659040  # [   53.935608] lkdtm: Correctly stayed at zero

 6928 16:02:32.665537  # [   53.940570] lkdtm: attempting bad refcount_inc() from zero

 6929 16:02:32.672055  # [   53.953202] ------------[ cut here ]------------

 6930 16:02:32.678412  # [   53.958651] refcount_t: addition on 0; use-after-free.

 6931 16:02:32.688270  # [   53.970925] WARNING: CPU: 3 PID: 2234 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110

 6932 16:02:32.743957  # [   53.980655] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 6933 16:02:32.750380  # [   54.039643] CPU: 3 PID: 2234 Comm: cat Tainted: G      D W         5.10.181-cip34 #1

 6934 16:02:32.760613  # [   54.048605] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6935 16:02:32.763896  # [   54.061916] RIP: 0010:refcount_warn_saturate+0x74/0x110

 6936 16:02:32.786800  # [   54.068076] Code: 01 01 e8 26 fe c0 00 0f 0b c3 cc cc cc cc 80 3d 0d f3 f6 01 00 75 cb 48 c7 c7 90 46 75 a1 c6 05 fd f2 f6 01 01 e8 03 fe c0 00 <0f> 0b c3 cc cc cc cc 80 3d ec f2 f6 01 00 75 a8 48 c7 c7 68 46 75

 6937 16:02:32.793917  # [   54.089359] RSP: 0018:ffffac21c2be7e48 EFLAGS: 00010286

 6938 16:02:32.800203  # [   54.095491] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000

 6939 16:02:32.809996  # [   54.103759] RDX: ffff9efd3adac660 RSI: ffff9efd3ad9bf70 RDI: ffff9efd3ad9bf70

 6940 16:02:32.819743  # [   54.112026] RBP: ffffffffa17f9721 R08: 0000000000000000 R09: 0000000000000000

 6941 16:02:32.826201  # [   54.120292] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012

 6942 16:02:32.835689  # [   54.128557] R13: ffffac21c2be7f10 R14: ffffac21c2be7f10 R15: ffff9efcc4287000

 6943 16:02:32.845905  # [   54.136825] FS:  00007fe69897c580(0000) GS:ffff9efd3ad80000(0000) knlGS:0000000000000000

 6944 16:02:32.852198  # [   54.146159] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6945 16:02:32.858844  # [   54.152890] CR2: 00007fe698786000 CR3: 00000001029cc001 CR4: 00000000003706e0

 6946 16:02:32.862149  # [   54.161155] Call Trace:

 6947 16:02:32.865450  # [   54.164181]  ? __warn+0x80/0x110

 6948 16:02:32.871810  # [   54.168106]  ? refcount_warn_saturate+0x74/0x110

 6949 16:02:32.875131  # [   54.173558]  ? report_bug+0x9e/0xc0

 6950 16:02:32.881620  # [   54.177777]  ? handle_bug+0x41/0x90

 6951 16:02:32.884529  # [   54.181964]  ? exc_invalid_op+0x14/0x70

 6952 16:02:32.891309  # [   54.186539]  ? asm_exc_invalid_op+0x12/0x20

 6953 16:02:32.894740  # [   54.191508]  ? refcount_warn_saturate+0x74/0x110

 6954 16:02:32.901217  # [   54.196989]  ? refcount_warn_saturate+0x74/0x110

 6955 16:02:32.907955  # [   54.202446]  lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1

 6956 16:02:32.911012  # [   54.207702]  direct_entry.cold+0x2c/0x38

 6957 16:02:32.914127  # [   54.218586]  full_proxy_write+0x53/0x80

 6958 16:02:32.920779  # [   54.223192]  vfs_write+0xe7/0x3b0

 6959 16:02:32.924192  # [   54.227209]  ksys_write+0x68/0xf0

 6960 16:02:32.927674  # [   54.237416]  do_syscall_64+0x30/0x40

 6961 16:02:32.934185  # [   54.247916]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 6962 16:02:32.937393  # [   54.260070] RIP: 0033:0x7fe698892473

 6963 16:02:32.960562  # [   54.264384] 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

 6964 16:02:32.970239  # [   54.285669] RSP: 002b:00007ffc03744988 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6965 16:02:32.976508  # [   54.294442] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fe698892473

 6966 16:02:32.986920  # [   54.302708] RDX: 0000000000000012 RSI: 00007fe698786000 RDI: 0000000000000001

 6967 16:02:32.992902  # [   54.310974] RBP: 00007fe698786000 R08: 00007fe698785010 R09: 0000000000000000

 6968 16:02:33.003435  # [   54.319242] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6969 16:02:33.012868  # [   54.327508] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6970 16:02:33.015974  # [   54.335780] irq event stamp: 0

 6971 16:02:33.022894  # [   54.339510] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6972 16:02:33.032887  # [   54.346808] hardirqs last disabled at (0): [<ffffffff9f8fd844>] copy_process+0x664/0x1c60

 6973 16:02:33.043123  # [   54.356240] softirqs last  enabled at (0): [<ffffffff9f8fd844>] copy_process+0x664/0x1c60

 6974 16:02:33.049457  # [   54.365672] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6975 16:02:33.055772  # [   54.372967] ---[ end trace ffd54ce207130e91 ]---

 6976 16:02:33.059524  # [   54.378415] lkdtm: Zero detected: saturated

 6977 16:02:33.062722  # REFCOUNT_INC_ZERO: saw 'call trace:': ok

 6978 16:02:33.069148  ok 50 selftests: lkdtm: REFCOUNT_INC_ZERO.sh

 6979 16:02:33.072549  # selftests: lkdtm: REFCOUNT_ADD_ZERO.sh

 6980 16:02:33.079551  # [   54.501254] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO

 6981 16:02:33.088916  # [   54.508161] lkdtm: attempting safe refcount_add_not_zero() from zero

 6982 16:02:33.092425  # [   54.521768] lkdtm: Good: zero detected

 6983 16:02:33.095796  # [   54.532457] lkdtm: Correctly stayed at zero

 6984 16:02:33.102288  # [   54.543671] lkdtm: attempting bad refcount_add() from zero

 6985 16:02:33.108677  # [   54.556281] ------------[ cut here ]------------

 6986 16:02:33.115678  # [   54.567987] refcount_t: addition on 0; use-after-free.

 6987 16:02:33.124960  # [   54.580255] WARNING: CPU: 0 PID: 2266 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110

 6988 16:02:33.177813  # [   54.596245] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 6989 16:02:33.187602  # [   54.655217] CPU: 0 PID: 2266 Comm: cat Tainted: G      D W         5.10.181-cip34 #1

 6990 16:02:33.194386  # [   54.670417] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 6991 16:02:33.200844  # [   54.683734] RIP: 0010:refcount_warn_saturate+0x74/0x110

 6992 16:02:33.223826  # [   54.696065] Code: 01 01 e8 26 fe c0 00 0f 0b c3 cc cc cc cc 80 3d 0d f3 f6 01 00 75 cb 48 c7 c7 90 46 75 a1 c6 05 fd f2 f6 01 01 e8 03 fe c0 00 <0f> 0b c3 cc cc cc cc 80 3d ec f2 f6 01 00 75 a8 48 c7 c7 68 46 75

 6993 16:02:33.230365  # [   54.723563] RSP: 0018:ffffac21c2c67e48 EFLAGS: 00010286

 6994 16:02:33.236840  # [   54.735914] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000

 6995 16:02:33.246641  # [   54.750425] RDX: ffff9efd3ac2c660 RSI: ffff9efd3ac1bf70 RDI: ffff9efd3ac1bf70

 6996 16:02:33.253559  # [   54.764888] RBP: ffffffffa17f9733 R08: 0000000000000000 R09: 0000000000000000

 6997 16:02:33.263327  # [   54.779396] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012

 6998 16:02:33.273456  # [   54.793878] R13: ffffac21c2c67f10 R14: ffffac21c2c67f10 R15: ffff9efcc5e51000

 6999 16:02:33.279741  # [   54.808353] FS:  00007fcff49df580(0000) GS:ffff9efd3ac00000(0000) knlGS:0000000000000000

 7000 16:02:33.285962  # [   54.823910] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 7001 16:02:33.296206  # [   54.836873] CR2: 00007fcff47e9000 CR3: 0000000104776003 CR4: 00000000003706f0

 7002 16:02:33.299132  # [   54.851327] Call Trace:

 7003 16:02:33.302646  # [   54.860610]  ? __warn+0x80/0x110

 7004 16:02:33.309122  # [   54.870693]  ? refcount_warn_saturate+0x74/0x110

 7005 16:02:33.312323  # [   54.882357]  ? report_bug+0x9e/0xc0

 7006 16:02:33.315745  # [   54.892748]  ? handle_bug+0x41/0x90

 7007 16:02:33.322786  # [   54.903142]  ? exc_invalid_op+0x14/0x70

 7008 16:02:33.326140  # [   54.913929]  ? asm_exc_invalid_op+0x12/0x20

 7009 16:02:33.332451  # [   54.925116]  ? refcount_warn_saturate+0x74/0x110

 7010 16:02:33.338938  # [   54.936800]  ? refcount_warn_saturate+0x74/0x110

 7011 16:02:33.341939  # [   54.948454]  lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1

 7012 16:02:33.348540  # [   54.959927]  direct_entry.cold+0x2c/0x38

 7013 16:02:33.351771  # [   54.970885]  full_proxy_write+0x53/0x80

 7014 16:02:33.355225  # [   54.981696]  vfs_write+0xe7/0x3b0

 7015 16:02:33.361910  # [   54.991899]  ksys_write+0x68/0xf0

 7016 16:02:33.364725  # [   55.002114]  do_syscall_64+0x30/0x40

 7017 16:02:33.371351  # [   55.012600]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 7018 16:02:33.375478  # [   55.024752] RIP: 0033:0x7fcff48f5473

 7019 16:02:33.397714  # [   55.035292] 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

 7020 16:02:33.407604  # [   55.062816] RSP: 002b:00007ffe3527c8b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 7021 16:02:33.413789  # [   55.077770] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fcff48f5473

 7022 16:02:33.423983  # [   55.086067] RDX: 0000000000000012 RSI: 00007fcff47e9000 RDI: 0000000000000001

 7023 16:02:33.430679  # [   55.100555] RBP: 00007fcff47e9000 R08: 00007fcff47e8010 R09: 0000000000000000

 7024 16:02:33.440656  # [   55.115022] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 7025 16:02:33.450237  # [   55.123320] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 7026 16:02:33.453966  # [   55.137819] irq event stamp: 0

 7027 16:02:33.459952  # [   55.147753] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 7028 16:02:33.470343  # [   55.161274] hardirqs last disabled at (0): [<ffffffff9f8fd844>] copy_process+0x664/0x1c60

 7029 16:02:33.479902  # [   55.176899] softirqs last  enabled at (0): [<ffffffff9f8fd844>] copy_process+0x664/0x1c60

 7030 16:02:33.486466  # [   55.192580] softirqs last disabled at (0): [<0000000000000000>] 0x0

 7031 16:02:33.493087  # [   55.206134] ---[ end trace ffd54ce207130e92 ]---

 7032 16:02:33.496166  # [   55.217764] lkdtm: Zero detected: saturated

 7033 16:02:33.502935  # REFCOUNT_ADD_ZERO: saw 'call trace:': ok

 7034 16:02:33.505856  ok 51 selftests: lkdtm: REFCOUNT_ADD_ZERO.sh

 7035 16:02:33.512604  # selftests: lkdtm: REFCOUNT_INC_SATURATED.sh

 7036 16:02:33.519033  # [   55.407390] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED

 7037 16:02:33.526121  # [   55.416260] lkdtm: attempting bad refcount_inc() from saturated

 7038 16:02:33.532242  # [   55.429382] ------------[ cut here ]------------

 7039 16:02:33.538784  # [   55.441046] refcount_t: saturated; leaking memory.

 7040 16:02:33.545192  # [   55.452960] WARNING: CPU: 1 PID: 2301 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110

 7041 16:02:33.601836  # [   55.468891] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 7042 16:02:33.611597  # [   55.527863] CPU: 1 PID: 2301 Comm: cat Tainted: G      D W         5.10.181-cip34 #1

 7043 16:02:33.617780  # [   55.543026] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 7044 16:02:33.624536  # [   55.556340] RIP: 0010:refcount_warn_saturate+0x51/0x110

 7045 16:02:33.647297  # [   55.568685] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 31 f3 f6 01 00 75 ee 48 c7 c7 68 46 75 a1 c6 05 21 f3 f6 01 01 e8 26 fe c0 00 <0f> 0b c3 cc cc cc cc 80 3d 0d f3 f6 01 00 75 cb 48 c7 c7 90 46 75

 7046 16:02:33.654174  # [   55.589989] RSP: 0018:ffffac21c2cefe48 EFLAGS: 00010286

 7047 16:02:33.660282  # [   55.602309] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000

 7048 16:02:33.670076  # [   55.616789] RDX: ffff9efd3acac660 RSI: ffff9efd3ac9bf70 RDI: ffff9efd3ac9bf70

 7049 16:02:33.676783  # [   55.625057] RBP: ffffffffa17f9745 R08: 0000000000000000 R09: 0000000000000000

 7050 16:02:33.686828  # [   55.639531] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017

 7051 16:02:33.693756  # [   55.647797] R13: ffffac21c2ceff10 R14: ffffac21c2ceff10 R15: ffff9efcc2656000

 7052 16:02:33.703108  # [   55.662274] FS:  00007f26f92ad580(0000) GS:ffff9efd3ac80000(0000) knlGS:0000000000000000

 7053 16:02:33.712944  # [   55.671607] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 7054 16:02:33.720046  # [   55.684530] CR2: 00007f26f90b7000 CR3: 0000000105bb2003 CR4: 00000000003706e0

 7055 16:02:33.722694  # [   55.692798] Call Trace:

 7056 16:02:33.726413  # [   55.702033]  ? __warn+0x80/0x110

 7057 16:02:33.732301  # [   55.712142]  ? refcount_warn_saturate+0x51/0x110

 7058 16:02:33.735981  # [   55.717592]  ? report_bug+0x9e/0xc0

 7059 16:02:33.742214  # [   55.727990]  ? handle_bug+0x41/0x90

 7060 16:02:33.745239  # [   55.738391]  ? exc_invalid_op+0x14/0x70

 7061 16:02:33.752537  # [   55.742966]  ? asm_exc_invalid_op+0x12/0x20

 7062 16:02:33.755576  # [   55.754143]  ? refcount_warn_saturate+0x51/0x110

 7063 16:02:33.762183  # [   55.765807]  ? refcount_warn_saturate+0x51/0x110

 7064 16:02:33.768613  # [   55.771283]  lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64

 7065 16:02:33.771706  # [   55.783235]  direct_entry.cold+0x2c/0x38

 7066 16:02:33.778337  # [   55.794124]  full_proxy_write+0x53/0x80

 7067 16:02:33.781676  # [   55.804943]  vfs_write+0xe7/0x3b0

 7068 16:02:33.785589  # [   55.815139]  ksys_write+0x68/0xf0

 7069 16:02:33.787946  # [   55.825347]  do_syscall_64+0x30/0x40

 7070 16:02:33.795045  # [   55.835845]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 7071 16:02:33.798164  # [   55.841782] RIP: 0033:0x7f26f91c3473

 7072 16:02:33.820950  # [   55.852275] 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

 7073 16:02:33.831212  # [   55.873559] RSP: 002b:00007ffe70e569f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 7074 16:02:33.837586  # [   55.888520] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f26f91c3473

 7075 16:02:33.847400  # [   55.896786] RDX: 0000000000000017 RSI: 00007f26f90b7000 RDI: 0000000000000001

 7076 16:02:33.857181  # [   55.911265] RBP: 00007f26f90b7000 R08: 00007f26f90b6010 R09: 0000000000000000

 7077 16:02:33.863638  # [   55.919531] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 7078 16:02:33.873974  # [   55.934009] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 7079 16:02:33.877074  # [   55.942280] irq event stamp: 0

 7080 16:02:33.883518  # [   55.952190] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 7081 16:02:33.892788  # [   55.965704] hardirqs last disabled at (0): [<ffffffff9f8fd844>] copy_process+0x664/0x1c60

 7082 16:02:33.902846  # [   55.981355] softirqs last  enabled at (0): [<ffffffff9f8fd844>] copy_process+0x664/0x1c60

 7083 16:02:33.912708  # [   55.997005] softirqs last disabled at (0): [<0000000000000000>] 0x0

 7084 16:02:33.915985  # [   56.004301] ---[ end trace ffd54ce207130e93 ]---

 7085 16:02:33.922706  # [   56.015960] lkdtm: Saturation detected: still saturated

 7086 16:02:33.929210  # REFCOUNT_INC_SATURATED: saw 'Saturation detected: still saturated': ok

 7087 16:02:33.936053  ok 52 selftests: lkdtm: REFCOUNT_INC_SATURATED.sh

 7088 16:02:33.939305  # selftests: lkdtm: REFCOUNT_DEC_SATURATED.sh

 7089 16:02:33.948943  # [   56.174714] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED

 7090 16:02:33.955837  # [   56.184574] lkdtm: attempting bad refcount_dec() from saturated

 7091 16:02:33.958932  # [   56.197732] ------------[ cut here ]------------

 7092 16:02:33.965549  # [   56.209372] refcount_t: decrement hit 0; leaking memory.

 7093 16:02:33.975082  # [   56.221815] WARNING: CPU: 0 PID: 2336 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110

 7094 16:02:34.030933  # [   56.237796] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 7095 16:02:34.040923  # [   56.296721] CPU: 0 PID: 2336 Comm: cat Tainted: G      D W         5.10.181-cip34 #1

 7096 16:02:34.047025  # [   56.311955] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 7097 16:02:34.053960  # [   56.325231] RIP: 0010:refcount_warn_saturate+0xfb/0x110

 7098 16:02:34.077234  # [   56.337607] Code: 18 47 75 a1 c6 05 8d f2 f6 01 01 e8 96 fd c0 00 0f 0b c3 cc cc cc cc 48 c7 c7 e8 46 75 a1 c6 05 74 f2 f6 01 01 e8 7c fd c0 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b

 7099 16:02:34.079871  # [   56.365060] RSP: 0018:ffffac21c2d87e48 EFLAGS: 00010286

 7100 16:02:34.089834  # [   56.377446] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000

 7101 16:02:34.099899  # [   56.391886] RDX: ffff9efd3ac2c660 RSI: ffff9efd3ac1bf70 RDI: ffff9efd3ac1bf70

 7102 16:02:34.106074  # [   56.406396] RBP: ffffffffa17f975c R08: 0000000000000000 R09: 0000000000000000

 7103 16:02:34.115957  # [   56.420855] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017

 7104 16:02:34.122929  # [   56.435339] R13: ffffac21c2d87f10 R14: ffffac21c2d87f10 R15: ffff9efcc3d2d000

 7105 16:02:34.132252  # [   56.449815] FS:  00007fc60cb5d580(0000) GS:ffff9efd3ac00000(0000) knlGS:0000000000000000

 7106 16:02:34.139032  # [   56.465376] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 7107 16:02:34.148775  # [   56.478301] CR2: 00007fc60c967000 CR3: 0000000105f92005 CR4: 00000000003706f0

 7108 16:02:34.151923  # [   56.492785] Call Trace:

 7109 16:02:34.155491  # [   56.502026]  ? __warn+0x80/0x110

 7110 16:02:34.162285  # [   56.512149]  ? refcount_warn_saturate+0xfb/0x110

 7111 16:02:34.165254  # [   56.523807]  ? report_bug+0x9e/0xc0

 7112 16:02:34.168914  # [   56.534213]  ? handle_bug+0x41/0x90

 7113 16:02:34.175075  # [   56.544607]  ? exc_invalid_op+0x14/0x70

 7114 16:02:34.178364  # [   56.555430]  ? asm_exc_invalid_op+0x12/0x20

 7115 16:02:34.185199  # [   56.566588]  ? refcount_warn_saturate+0xfb/0x110

 7116 16:02:34.188234  # [   56.578246]  ? refcount_warn_saturate+0xfb/0x110

 7117 16:02:34.194723  # [   56.589910]  lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f

 7118 16:02:34.201808  # [   56.601886]  direct_entry.cold+0x2c/0x38

 7119 16:02:34.205000  # [   56.612763]  full_proxy_write+0x53/0x80

 7120 16:02:34.208214  # [   56.623557]  vfs_write+0xe7/0x3b0

 7121 16:02:34.211489  # [   56.633767]  ksys_write+0x68/0xf0

 7122 16:02:34.218648  # [   56.643998]  do_syscall_64+0x30/0x40

 7123 16:02:34.224758  # [   56.654502]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 7124 16:02:34.227568  # [   56.666671] RIP: 0033:0x7fc60ca73473

 7125 16:02:34.250498  # [   56.677147] 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 16:02:34.257263  # [   56.704659] RSP: 002b:00007fff815aaf28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 7127 16:02:34.266776  # [   56.719607] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fc60ca73473

 7128 16:02:34.273767  # [   56.734130] RDX: 0000000000000017 RSI: 00007fc60c967000 RDI: 0000000000000001

 7129 16:02:34.283410  # [   56.748575] RBP: 00007fc60c967000 R08: 00007fc60c966010 R09: 0000000000000000

 7130 16:02:34.293103  # [   56.763067] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 7131 16:02:34.300013  # [   56.777542] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 7132 16:02:34.302860  # [   56.792031] irq event stamp: 0

 7133 16:02:34.312663  # [   56.801941] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 7134 16:02:34.322330  # [   56.815436] hardirqs last disabled at (0): [<ffffffff9f8fd844>] copy_process+0x664/0x1c60

 7135 16:02:34.328962  # [   56.831113] softirqs last  enabled at (0): [<ffffffff9f8fd844>] copy_process+0x664/0x1c60

 7136 16:02:34.339342  # [   56.846753] softirqs last disabled at (0): [<0000000000000000>] 0x0

 7137 16:02:34.341943  # [   56.860266] ---[ end trace ffd54ce207130e94 ]---

 7138 16:02:34.348632  # [   56.871945] lkdtm: Saturation detected: still saturated

 7139 16:02:34.358498  # REFCOUNT_DEC_SATURATED: saw 'Saturation detected: still saturated': ok

 7140 16:02:34.362205  ok 53 selftests: lkdtm: REFCOUNT_DEC_SATURATED.sh

 7141 16:02:34.368641  # selftests: lkdtm: REFCOUNT_ADD_SATURATED.sh

 7142 16:02:34.374809  # [   57.039310] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED

 7143 16:02:34.381368  # [   57.046824] lkdtm: attempting bad refcount_dec() from saturated

 7144 16:02:34.388206  # [   57.059928] ------------[ cut here ]------------

 7145 16:02:34.391428  # [   57.071581] refcount_t: saturated; leaking memory.

 7146 16:02:34.400907  # [   57.083496] WARNING: CPU: 0 PID: 2371 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110

 7147 16:02:34.456875  # [   57.099430] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 7148 16:02:34.466634  # [   57.158397] CPU: 0 PID: 2371 Comm: cat Tainted: G      D W         5.10.181-cip34 #1

 7149 16:02:34.473160  # [   57.173543] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 7150 16:02:34.479712  # [   57.180667] RIP: 0010:refcount_warn_saturate+0x51/0x110

 7151 16:02:34.502803  # [   57.193045] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 31 f3 f6 01 00 75 ee 48 c7 c7 68 46 75 a1 c6 05 21 f3 f6 01 01 e8 26 fe c0 00 <0f> 0b c3 cc cc cc cc 80 3d 0d f3 f6 01 00 75 cb 48 c7 c7 90 46 75

 7152 16:02:34.509495  # [   57.220532] RSP: 0018:ffffac21c2e17e48 EFLAGS: 00010286

 7153 16:02:34.516113  # [   57.232924] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000

 7154 16:02:34.525884  # [   57.247409] RDX: ffff9efd3ac2c660 RSI: ffff9efd3ac1bf70 RDI: ffff9efd3ac1bf70

 7155 16:02:34.532323  # [   57.261867] RBP: ffffffffa17f9773 R08: 0000000000000000 R09: 0000000000000000

 7156 16:02:34.542255  # [   57.276323] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017

 7157 16:02:34.552054  # [   57.290832] R13: ffffac21c2e17f10 R14: ffffac21c2e17f10 R15: ffff9efcc5bb5000

 7158 16:02:34.561832  # [   57.305293] FS:  00007fa15bdd9580(0000) GS:ffff9efd3ac00000(0000) knlGS:0000000000000000

 7159 16:02:34.568677  # [   57.320873] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 7160 16:02:34.574995  # [   57.333780] CR2: 00007fa15bbe3000 CR3: 0000000106e60001 CR4: 00000000003706f0

 7161 16:02:34.578166  # [   57.348314] Call Trace:

 7162 16:02:34.581787  # [   57.357525]  ? __warn+0x80/0x110

 7163 16:02:34.587822  # [   57.367642]  ? refcount_warn_saturate+0x51/0x110

 7164 16:02:34.591340  # [   57.379296]  ? report_bug+0x9e/0xc0

 7165 16:02:34.598272  # [   57.389759]  ? handle_bug+0x41/0x90

 7166 16:02:34.601796  # [   57.400113]  ? exc_invalid_op+0x14/0x70

 7167 16:02:34.604410  # [   57.410915]  ? asm_exc_invalid_op+0x12/0x20

 7168 16:02:34.611123  # [   57.422077]  ? refcount_warn_saturate+0x51/0x110

 7169 16:02:34.618046  # [   57.433805]  ? refcount_warn_saturate+0x51/0x110

 7170 16:02:34.624133  # [   57.445453]  lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64

 7171 16:02:34.627515  # [   57.457432]  direct_entry.cold+0x2c/0x38

 7172 16:02:34.630809  # [   57.468317]  full_proxy_write+0x53/0x80

 7173 16:02:34.637713  # [   57.479112]  vfs_write+0xe7/0x3b0

 7174 16:02:34.640768  # [   57.489286]  ksys_write+0x68/0xf0

 7175 16:02:34.643655  # [   57.499504]  do_syscall_64+0x30/0x40

 7176 16:02:34.650618  # [   57.510010]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 7177 16:02:34.653696  # [   57.522170] RIP: 0033:0x7fa15bcef473

 7178 16:02:34.677005  # [   57.532656] 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

 7179 16:02:34.686351  # [   57.560155] RSP: 002b:00007ffdcad074e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 7180 16:02:34.693206  # [   57.575105] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fa15bcef473

 7181 16:02:34.703325  # [   57.589613] RDX: 0000000000000017 RSI: 00007fa15bbe3000 RDI: 0000000000000001

 7182 16:02:34.710402  # [   57.604075] RBP: 00007fa15bbe3000 R08: 00007fa15bbe2010 R09: 0000000000000000

 7183 16:02:34.719716  # [   57.618574] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 7184 16:02:34.729606  # [   57.633041] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 7185 16:02:34.732747  # [   57.647541] irq event stamp: 0

 7186 16:02:34.739421  # [   57.657441] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 7187 16:02:34.749466  # [   57.670973] hardirqs last disabled at (0): [<ffffffff9f8fd844>] copy_process+0x664/0x1c60

 7188 16:02:34.758686  # [   57.686601] softirqs last  enabled at (0): [<ffffffff9f8fd844>] copy_process+0x664/0x1c60

 7189 16:02:34.765563  # [   57.702268] softirqs last disabled at (0): [<0000000000000000>] 0x0

 7190 16:02:34.772193  # [   57.715761] ---[ end trace ffd54ce207130e95 ]---

 7191 16:02:34.778529  # [   57.727447] lkdtm: Saturation detected: still saturated

 7192 16:02:34.785616  # REFCOUNT_ADD_SATURATED: saw 'Saturation detected: still saturated': ok

 7193 16:02:34.791642  ok 54 selftests: lkdtm: REFCOUNT_ADD_SATURATED.sh

 7194 16:02:34.794865  # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh

 7195 16:02:34.805175  # [   57.907711] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED

 7196 16:02:34.811148  # [   57.921757] lkdtm: attempting bad refcount_inc_not_zero() from saturated

 7197 16:02:34.818085  # [   57.929567] ------------[ cut here ]------------

 7198 16:02:34.824429  # [   57.935013] refcount_t: saturated; leaking memory.

 7199 16:02:34.834423  # [   57.940684] WARNING: CPU: 3 PID: 2403 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110

 7200 16:02:34.887108  # [   57.950411] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 7201 16:02:34.896617  # [   58.009379] CPU: 3 PID: 2403 Comm: cat Tainted: G      D W         5.10.181-cip34 #1

 7202 16:02:34.903524  # [   58.018326] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 7203 16:02:34.910008  # [   58.031644] RIP: 0010:refcount_warn_saturate+0x97/0x110

 7204 16:02:34.932751  # [   58.043989] Code: 01 01 e8 03 fe c0 00 0f 0b c3 cc cc cc cc 80 3d ec f2 f6 01 00 75 a8 48 c7 c7 68 46 75 a1 c6 05 dc f2 f6 01 01 e8 e0 fd c0 00 <0f> 0b c3 cc cc cc cc 80 3d c6 f2 f6 01 00 75 85 48 c7 c7 c0 46 75

 7205 16:02:34.939381  # [   58.071506] RSP: 0018:ffffac21c2e8fe38 EFLAGS: 00010282

 7206 16:02:34.948737  # [   58.077663] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000

 7207 16:02:34.955792  # [   58.085928] RDX: ffff9efd3adac660 RSI: ffff9efd3ad9bf70 RDI: ffff9efd3ad9bf70

 7208 16:02:34.965330  # [   58.094216] RBP: ffffffffa17f93a0 R08: 0000000000000000 R09: 0000000000000000

 7209 16:02:34.972156  # [   58.102494] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020

 7210 16:02:34.982231  # [   58.116969] R13: ffffac21c2e8ff10 R14: ffffac21c2e8ff10 R15: ffff9efcc5f4c000

 7211 16:02:34.991946  # [   58.125234] FS:  00007f5075b93580(0000) GS:ffff9efd3ad80000(0000) knlGS:0000000000000000

 7212 16:02:34.998701  # [   58.134566] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 7213 16:02:35.004975  # [   58.141267] CR2: 00007f507599d000 CR3: 0000000103cee004 CR4: 00000000003706e0

 7214 16:02:35.008234  # [   58.149521] Call Trace:

 7215 16:02:35.014853  # [   58.152537]  ? __warn+0x80/0x110

 7216 16:02:35.017948  # [   58.156463]  ? refcount_warn_saturate+0x97/0x110

 7217 16:02:35.021380  # [   58.161932]  ? report_bug+0x9e/0xc0

 7218 16:02:35.027869  # [   58.166119]  ? handle_bug+0x41/0x90

 7219 16:02:35.031077  # [   58.170304]  ? exc_invalid_op+0x14/0x70

 7220 16:02:35.037680  # [   58.174878]  ? asm_exc_invalid_op+0x12/0x20

 7221 16:02:35.040757  # [   58.179845]  ? refcount_warn_saturate+0x97/0x110

 7222 16:02:35.047373  # [   58.185300]  ? refcount_warn_saturate+0x97/0x110

 7223 16:02:35.053946  # [   58.190748]  __refcount_add_not_zero.constprop.0+0x2a/0x35

 7224 16:02:35.060761  # [   58.197168]  lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76

 7225 16:02:35.067008  # [   58.203781]  direct_entry.cold+0x2c/0x38

 7226 16:02:35.070406  # [   58.208455]  full_proxy_write+0x53/0x80

 7227 16:02:35.073817  # [   58.213030]  vfs_write+0xe7/0x3b0

 7228 16:02:35.077019  # [   58.217021]  ksys_write+0x68/0xf0

 7229 16:02:35.083563  # [   58.221013]  do_syscall_64+0x30/0x40

 7230 16:02:35.090000  # [   58.225295]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 7231 16:02:35.093077  # [   58.231229] RIP: 0033:0x7f5075aa9473

 7232 16:02:35.116580  # [   58.235511] 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

 7233 16:02:35.122893  # [   58.256791] RSP: 002b:00007ffe2b68d1d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 7234 16:02:35.132798  # [   58.265541] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f5075aa9473

 7235 16:02:35.139539  # [   58.273797] RDX: 0000000000000020 RSI: 00007f507599d000 RDI: 0000000000000001

 7236 16:02:35.149120  # [   58.282052] RBP: 00007f507599d000 R08: 00007f507599c010 R09: 0000000000000000

 7237 16:02:35.155814  # [   58.290317] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 7238 16:02:35.165583  # [   58.298580] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 7239 16:02:35.168754  # [   58.306846] irq event stamp: 0

 7240 16:02:35.175712  # [   58.310572] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 7241 16:02:35.185185  # [   58.324083] hardirqs last disabled at (0): [<ffffffff9f8fd844>] copy_process+0x664/0x1c60

 7242 16:02:35.195500  # [   58.339728] softirqs last  enabled at (0): [<ffffffff9f8fd844>] copy_process+0x664/0x1c60

 7243 16:02:35.205323  # [   58.349158] softirqs last disabled at (0): [<0000000000000000>] 0x0

 7244 16:02:35.208437  # [   58.362665] ---[ end trace ffd54ce207130e96 ]---

 7245 16:02:35.215426  # [   58.368112] lkdtm: Saturation detected: still saturated

 7246 16:02:35.221728  # REFCOUNT_INC_NOT_ZERO_SATURATED: saw 'call trace:': ok

 7247 16:02:35.228768  ok 55 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh

 7248 16:02:35.234978  # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh

 7249 16:02:35.240973  # [   58.527642] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED

 7250 16:02:35.248018  # [   58.538312] lkdtm: attempting bad refcount_add_not_zero() from saturated

 7251 16:02:35.254872  # [   58.552291] ------------[ cut here ]------------

 7252 16:02:35.261387  # [   58.563955] refcount_t: saturated; leaking memory.

 7253 16:02:35.271053  # [   58.575845] WARNING: CPU: 1 PID: 2435 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110

 7254 16:02:35.323597  # [   58.591754] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 7255 16:02:35.332991  # [   58.650723] CPU: 1 PID: 2435 Comm: cat Tainted: G      D W         5.10.181-cip34 #1

 7256 16:02:35.340290  # [   58.665886] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 7257 16:02:35.346288  # [   58.679201] RIP: 0010:refcount_warn_saturate+0x97/0x110

 7258 16:02:35.369608  # [   58.691545] Code: 01 01 e8 03 fe c0 00 0f 0b c3 cc cc cc cc 80 3d ec f2 f6 01 00 75 a8 48 c7 c7 68 46 75 a1 c6 05 dc f2 f6 01 01 e8 e0 fd c0 00 <0f> 0b c3 cc cc cc cc 80 3d c6 f2 f6 01 00 75 85 48 c7 c7 c0 46 75

 7259 16:02:35.375928  # [   58.712852] RSP: 0018:ffffac21c2f17e38 EFLAGS: 00010282

 7260 16:02:35.382773  # [   58.725171] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000

 7261 16:02:35.392538  # [   58.739651] RDX: ffff9efd3acac660 RSI: ffff9efd3ac9bf70 RDI: ffff9efd3ac9bf70

 7262 16:02:35.399041  # [   58.747917] RBP: ffffffffa17f93c0 R08: 0000000000000000 R09: 0000000000000000

 7263 16:02:35.409174  # [   58.762392] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020

 7264 16:02:35.418563  # [   58.770658] R13: ffffac21c2f17f10 R14: ffffac21c2f17f10 R15: ffff9efcc5fdc000

 7265 16:02:35.425567  # [   58.785136] FS:  00007f7bfe328580(0000) GS:ffff9efd3ac80000(0000) knlGS:0000000000000000

 7266 16:02:35.435138  # [   58.794484] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 7267 16:02:35.441741  # [   58.807412] CR2: 00007f7bfe132000 CR3: 0000000105ac0003 CR4: 00000000003706e0

 7268 16:02:35.445017  # [   58.815677] Call Trace:

 7269 16:02:35.448311  # [   58.818700]  ? __warn+0x80/0x110

 7270 16:02:35.454833  # [   58.828835]  ? refcount_warn_saturate+0x97/0x110

 7271 16:02:35.458413  # [   58.834285]  ? report_bug+0x9e/0xc0

 7272 16:02:35.461524  # [   58.844680]  ? handle_bug+0x41/0x90

 7273 16:02:35.467820  # [   58.855078]  ? exc_invalid_op+0x14/0x70

 7274 16:02:35.471282  # [   58.859654]  ? asm_exc_invalid_op+0x12/0x20

 7275 16:02:35.478339  # [   58.870828]  ? refcount_warn_saturate+0x97/0x110

 7276 16:02:35.484351  # [   58.882495]  ? refcount_warn_saturate+0x97/0x110

 7277 16:02:35.491400  # [   58.887944]  __refcount_add_not_zero.constprop.0+0x2a/0x35

 7278 16:02:35.497839  # [   58.900574]  lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76

 7279 16:02:35.500755  # [   58.907202]  direct_entry.cold+0x2c/0x38

 7280 16:02:35.507635  # [   58.918085]  full_proxy_write+0x53/0x80

 7281 16:02:35.510906  # [   58.928881]  vfs_write+0xe7/0x3b0

 7282 16:02:35.514503  # [   58.939089]  ksys_write+0x68/0xf0

 7283 16:02:35.520457  # [   58.949299]  do_syscall_64+0x30/0x40

 7284 16:02:35.523996  # [   58.959798]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 7285 16:02:35.530405  # [   58.971950] RIP: 0033:0x7f7bfe23e473

 7286 16:02:35.549851  # [   58.982450] 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

 7287 16:02:35.560063  # [   59.009949] RSP: 002b:00007ffebabaa178 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 7288 16:02:35.569786  # [   59.024917] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f7bfe23e473

 7289 16:02:35.575977  # [   59.039399] RDX: 0000000000000020 RSI: 00007f7bfe132000 RDI: 0000000000000001

 7290 16:02:35.586423  # [   59.053882] RBP: 00007f7bfe132000 R08: 00007f7bfe131010 R09: 0000000000000000

 7291 16:02:35.592461  # [   59.068365] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 7292 16:02:35.602548  # [   59.082850] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 7293 16:02:35.605639  # [   59.097339] irq event stamp: 0

 7294 16:02:35.612447  # [   59.107253] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 7295 16:02:35.621842  # [   59.120762] hardirqs last disabled at (0): [<ffffffff9f8fd844>] copy_process+0x664/0x1c60

 7296 16:02:35.632019  # [   59.136410] softirqs last  enabled at (0): [<ffffffff9f8fd844>] copy_process+0x664/0x1c60

 7297 16:02:35.641941  # [   59.152058] softirqs last disabled at (0): [<0000000000000000>] 0x0

 7298 16:02:35.644945  # [   59.159353] ---[ end trace ffd54ce207130e97 ]---

 7299 16:02:35.651764  # [   59.171017] lkdtm: Saturation detected: still saturated

 7300 16:02:35.658479  # REFCOUNT_ADD_NOT_ZERO_SATURATED: saw 'call trace:': ok

 7301 16:02:35.664958  ok 56 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh

 7302 16:02:35.668099  # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh

 7303 16:02:35.678209  # [   59.331857] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED

 7304 16:02:35.684850  # [   59.340498] lkdtm: attempting bad refcount_dec_and_test() from saturated

 7305 16:02:35.691314  # [   59.348309] ------------[ cut here ]------------

 7306 16:02:35.697884  # [   59.353758] refcount_t: underflow; use-after-free.

 7307 16:02:35.708220  # [   59.359430] WARNING: CPU: 3 PID: 2470 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110

 7308 16:02:35.760308  # [   59.369162] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 7309 16:02:35.770748  # [   59.428131] CPU: 3 PID: 2470 Comm: cat Tainted: G      D W         5.10.181-cip34 #1

 7310 16:02:35.777004  # [   59.437076] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 7311 16:02:35.783494  # [   59.444177] RIP: 0010:refcount_warn_saturate+0xba/0x110

 7312 16:02:35.806413  # [   59.450306] Code: 01 01 e8 e0 fd c0 00 0f 0b c3 cc cc cc cc 80 3d c6 f2 f6 01 00 75 85 48 c7 c7 c0 46 75 a1 c6 05 b6 f2 f6 01 01 e8 bd fd c0 00 <0f> 0b c3 cc cc cc cc 80 3d a1 f2 f6 01 00 0f 85 5e ff ff ff 48 c7

 7313 16:02:35.812588  # [   59.471585] RSP: 0018:ffffac21c2f9fe40 EFLAGS: 00010286

 7314 16:02:35.819749  # [   59.477713] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000

 7315 16:02:35.829873  # [   59.485979] RDX: ffff9efd3adac660 RSI: ffff9efd3ad9bf70 RDI: ffff9efd3ad9bf70

 7316 16:02:35.839359  # [   59.494243] RBP: ffffffffa17f93e0 R08: 0000000000000000 R09: 0000000000000000

 7317 16:02:35.845481  # [   59.502508] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020

 7318 16:02:35.855325  # [   59.510774] R13: ffffac21c2f9ff10 R14: ffffac21c2f9ff10 R15: ffff9efcc3c45000

 7319 16:02:35.865409  # [   59.519040] FS:  00007fbdba71f580(0000) GS:ffff9efd3ad80000(0000) knlGS:0000000000000000

 7320 16:02:35.872173  # [   59.528373] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 7321 16:02:35.879236  # [   59.535084] CR2: 00007fbdba529000 CR3: 0000000106dfa006 CR4: 00000000003706e0

 7322 16:02:35.881639  # [   59.543350] Call Trace:

 7323 16:02:35.885384  # [   59.546373]  ? __warn+0x80/0x110

 7324 16:02:35.891650  # [   59.550287]  ? refcount_warn_saturate+0xba/0x110

 7325 16:02:35.895213  # [   59.555736]  ? report_bug+0x9e/0xc0

 7326 16:02:35.902067  # [   59.559923]  ? handle_bug+0x41/0x90

 7327 16:02:35.905011  # [   59.564108]  ? exc_invalid_op+0x14/0x70

 7328 16:02:35.911228  # [   59.568682]  ? asm_exc_invalid_op+0x12/0x20

 7329 16:02:35.914421  # [   59.573648]  ? refcount_warn_saturate+0xba/0x110

 7330 16:02:35.921328  # [   59.579097]  __refcount_sub_and_test.constprop.0+0x3c/0x50

 7331 16:02:35.927910  # [   59.585517]  lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76

 7332 16:02:35.934263  # [   59.592131]  direct_entry.cold+0x2c/0x38

 7333 16:02:35.937527  # [   59.596803]  full_proxy_write+0x53/0x80

 7334 16:02:35.941249  # [   59.601404]  vfs_write+0xe7/0x3b0

 7335 16:02:35.947646  # [   59.605427]  ksys_write+0x68/0xf0

 7336 16:02:35.950788  # [   59.615636]  do_syscall_64+0x30/0x40

 7337 16:02:35.957789  # [   59.626134]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 7338 16:02:35.960598  # [   59.638286] RIP: 0033:0x7fbdba635473

 7339 16:02:35.983331  # [   59.642599] 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

 7340 16:02:35.993493  # [   59.663880] RSP: 002b:00007ffcd2b5d1c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 7341 16:02:36.000183  # [   59.672629] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fbdba635473

 7342 16:02:36.010268  # [   59.680899] RDX: 0000000000000020 RSI: 00007fbdba529000 RDI: 0000000000000001

 7343 16:02:36.016451  # [   59.689193] RBP: 00007fbdba529000 R08: 00007fbdba528010 R09: 0000000000000000

 7344 16:02:36.026324  # [   59.703670] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 7345 16:02:36.035968  # [   59.711934] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 7346 16:02:36.039060  # [   59.720203] irq event stamp: 0

 7347 16:02:36.045922  # [   59.723927] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 7348 16:02:36.055807  # [   59.731222] hardirqs last disabled at (0): [<ffffffff9f8fd844>] copy_process+0x664/0x1c60

 7349 16:02:36.065502  # [   59.740652] softirqs last  enabled at (0): [<ffffffff9f8fd844>] copy_process+0x664/0x1c60

 7350 16:02:36.071953  # [   59.750082] softirqs last disabled at (0): [<0000000000000000>] 0x0

 7351 16:02:36.078599  # [   59.757376] ---[ end trace ffd54ce207130e98 ]---

 7352 16:02:36.085677  # [   59.762824] lkdtm: Saturation detected: still saturated

 7353 16:02:36.091561  # REFCOUNT_DEC_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok

 7354 16:02:36.098752  ok 57 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh

 7355 16:02:36.105020  # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh

 7356 16:02:36.111865  # [   60.524832] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED

 7357 16:02:36.121610  # [   60.535659] lkdtm: attempting bad refcount_sub_and_test() from saturated

 7358 16:02:36.124887  # [   60.543443] ------------[ cut here ]------------

 7359 16:02:36.131029  # [   60.555117] refcount_t: underflow; use-after-free.

 7360 16:02:36.141004  # [   60.560780] WARNING: CPU: 3 PID: 2505 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110

 7361 16:02:36.196782  # [   60.576698] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger cros_usbpd_charger cros_ec_chardev snd_soc_core videobuf2_memops cros_ec_sensorhub snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common i2c_hid regmap_i2c cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table

 7362 16:02:36.206514  # [   60.635701] CPU: 3 PID: 2505 Comm: cat Tainted: G      D W         5.10.181-cip34 #1

 7363 16:02:36.213211  # [   60.644645] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 7364 16:02:36.219293  # [   60.651737] RIP: 0010:refcount_warn_saturate+0xba/0x110

 7365 16:02:36.242953  # [   60.657864] Code: 01 01 e8 e0 fd c0 00 0f 0b c3 cc cc cc cc 80 3d c6 f2 f6 01 00 75 85 48 c7 c7 c0 46 75 a1 c6 05 b6 f2 f6 01 01 e8 bd fd c0 00 <0f> 0b c3 cc cc cc cc 80 3d a1 f2 f6 01 00 0f 85 5e ff ff ff 48 c7

 7366 16:02:36.245983  # [   60.679145] RSP: 0018:ffffac21c302fe40 EFLAGS: 00010286

 7367 16:02:36.255937  # [   60.685272] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000

 7368 16:02:36.265834  # [   60.693536] RDX: ffff9efd3adac660 RSI: ffff9efd3ad9bf70 RDI: ffff9efd3ad9bf70

 7369 16:02:36.271997  # [   60.701793] RBP: ffffffffa17f9400 R08: 0000000000000000 R09: 0000000000000000

 7370 16:02:36.282158  # [   60.710057] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020

 7371 16:02:36.288093  # [   60.718320] R13: ffffac21c302ff10 R14: ffffac21c302ff10 R15: ffff9efcc59b8000

 7372 16:02:36.298390  # [   60.726585] FS:  00007ff372a7b580(0000) GS:ffff9efd3ad80000(0000) knlGS:0000000000000000

 7373 16:02:36.304770  # [   60.735917] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 7374 16:02:36.314848  # [   60.742620] CR2: 00007ff372885000 CR3: 0000000103bc8006 CR4: 00000000003706e0

 7375 16:02:36.318168  # [   60.750883] Call Trace:

 7376 16:02:36.321307  # [   60.753906]  ? __warn+0x80/0x110

 7377 16:02:36.327659  # [   60.757832]  ? refcount_warn_saturate+0xba/0x110

 7378 16:02:36.330890  # [   60.763280]  ? report_bug+0x9e/0xc0

 7379 16:02:36.334666  # [   60.767481]  ? handle_bug+0x41/0x90

 7380 16:02:36.340837  # [   60.771699]  ? exc_invalid_op+0x14/0x70

 7381 16:02:36.344547  # [   60.776273]  ? asm_exc_invalid_op+0x12/0x20

 7382 16:02:36.351099  # [   60.781240]  ? refcount_warn_saturate+0xba/0x110

 7383 16:02:36.356933  # [   60.786719]  __refcount_sub_and_test.constprop.0+0x3c/0x50

 7384 16:02:36.363973  # [   60.793139]  lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76

 7385 16:02:36.366940  # [   60.799752]  direct_entry.cold+0x2c/0x38

 7386 16:02:36.373221  # [   60.804428]  full_proxy_write+0x53/0x80

 7387 16:02:36.376918  # [   60.815220]  vfs_write+0xe7/0x3b0

 7388 16:02:36.380226  # [   60.825423]  ksys_write+0x68/0xf0

 7389 16:02:36.386801  # [   60.829422]  do_syscall_64+0x30/0x40

 7390 16:02:36.389981  # [   60.839926]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 7391 16:02:36.396294  # [   60.845890] RIP: 0033:0x7ff372991473

 7392 16:02:36.416190  # [   60.850172] 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

 7393 16:02:36.426004  # [   60.871461] RSP: 002b:00007ffc3866a568 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 7394 16:02:36.435848  # [   60.886445] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007ff372991473

 7395 16:02:36.442366  # [   60.900924] RDX: 0000000000000020 RSI: 00007ff372885000 RDI: 0000000000000001

 7396 16:02:36.452436  # [   60.909187] RBP: 00007ff372885000 R08: 00007ff372884010 R09: 0000000000000000

 7397 16:02:36.462198  # [   60.917444] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 7398 16:02:36.468866  # [   60.925712] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 7399 16:02:36.472133  # [   60.940190] irq event stamp: 0

 7400 16:02:36.478611  # [   60.943914] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 7401 16:02:36.488853  # [   60.951207] hardirqs last disabled at (0): [<ffffffff9f8fd844>] copy_process+0x664/0x1c60

 7402 16:02:36.498385  # [   60.960638] softirqs last  enabled at (0): [<ffffffff9f8fd844>] copy_process+0x664/0x1c60

 7403 16:02:36.507942  # [   60.970067] softirqs last disabled at (0): [<0000000000000000>] 0x0

 7404 16:02:36.511546  # [   60.977359] ---[ end trace ffd54ce207130e99 ]---

 7405 16:02:36.517568  # [   60.982799] lkdtm: Saturation detected: still saturated

 7406 16:02:36.527495  # REFCOUNT_SUB_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok

 7407 16:02:36.533784  ok 58 selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh

 7408 16:02:36.537242  # selftests: lkdtm: REFCOUNT_TIMING.sh

 7409 16:02:36.540389  # Skipping REFCOUNT_TIMING: timing only

 7410 16:02:36.547796  ok 59 selftests: lkdtm: REFCOUNT_TIMING.sh # SKIP

 7411 16:02:36.550797  # selftests: lkdtm: ATOMIC_TIMING.sh

 7412 16:02:36.553763  # Skipping ATOMIC_TIMING: timing only

 7413 16:02:36.556873  ok 60 selftests: lkdtm: ATOMIC_TIMING.sh # SKIP

 7414 16:02:36.564186  # selftests: lkdtm: USERCOPY_HEAP_SIZE_TO.sh

 7415 16:02:36.570730  # [   61.677545] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO

 7416 16:02:36.576762  # [   61.687530] lkdtm: attempting good copy_to_user of correct size

 7417 16:02:36.583540  # [   61.700633] lkdtm: attempting bad copy_to_user of too large size

 7418 16:02:36.589937  # USERCOPY_HEAP_SIZE_TO: missing 'call trace:': [FAIL]

 7419 16:02:36.596622  not ok 61 selftests: lkdtm: USERCOPY_HEAP_SIZE_TO.sh # exit=1

 7420 16:02:36.602973  # selftests: lkdtm: USERCOPY_HEAP_SIZE_FROM.sh

 7421 16:02:36.609488  # [   61.864395] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM

 7422 16:02:36.615824  # [   61.876454] lkdtm: attempting good copy_from_user of correct size

 7423 16:02:36.622483  # [   61.889768] lkdtm: attempting bad copy_from_user of too large size

 7424 16:02:36.629467  # USERCOPY_HEAP_SIZE_FROM: missing 'call trace:': [FAIL]

 7425 16:02:36.635734  not ok 62 selftests: lkdtm: USERCOPY_HEAP_SIZE_FROM.sh # exit=1

 7426 16:02:36.642053  # selftests: lkdtm: USERCOPY_HEAP_WHITELIST_TO.sh

 7427 16:02:36.648917  # [   62.030042] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO

 7428 16:02:36.655597  # [   62.041545] lkdtm: attempting good copy_to_user inside whitelist

 7429 16:02:36.662203  # [   62.054846] lkdtm: attempting bad copy_to_user outside whitelist

 7430 16:02:36.668798  # USERCOPY_HEAP_WHITELIST_TO: missing 'call trace:': [FAIL]

 7431 16:02:36.675035  not ok 63 selftests: lkdtm: USERCOPY_HEAP_WHITELIST_TO.sh # exit=1

 7432 16:02:36.681921  # selftests: lkdtm: USERCOPY_HEAP_WHITELIST_FROM.sh

 7433 16:02:36.688490  # [   62.238437] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM

 7434 16:02:36.698211  # [   62.249677] lkdtm: attempting good copy_from_user inside whitelist

 7435 16:02:36.705136  # [   62.263114] lkdtm: attempting bad copy_from_user outside whitelist

 7436 16:02:36.711634  # USERCOPY_HEAP_WHITELIST_FROM: missing 'call trace:': [FAIL]

 7437 16:02:36.718070  not ok 64 selftests: lkdtm: USERCOPY_HEAP_WHITELIST_FROM.sh # exit=1

 7438 16:02:36.721318  # selftests: lkdtm: USERCOPY_STACK_FRAME_TO.sh

 7439 16:02:36.731291  # [   62.408638] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO

 7440 16:02:36.737395  # [   62.420434] lkdtm: good_stack: ffffac21c33bfe20-ffffac21c33bfe40

 7441 16:02:36.744387  # [   62.427453] lkdtm: bad_stack : ffffac21c33bfda8-ffffac21c33bfdc8

 7442 16:02:36.750721  # [   62.440680] lkdtm: attempting good copy_to_user of local stack

 7443 16:02:36.756993  # [   62.453717] lkdtm: attempting bad copy_to_user of distant stack

 7444 16:02:36.764206  # USERCOPY_STACK_FRAME_TO: missing 'call trace:': [FAIL]

 7445 16:02:36.770662  not ok 65 selftests: lkdtm: USERCOPY_STACK_FRAME_TO.sh # exit=1

 7446 16:02:36.777179  # selftests: lkdtm: USERCOPY_STACK_FRAME_FROM.sh

 7447 16:02:36.783777  # [   62.597044] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM

 7448 16:02:36.790512  # [   62.604798] lkdtm: good_stack: ffffac21c345fe20-ffffac21c345fe40

 7449 16:02:36.796331  # [   62.618037] lkdtm: bad_stack : ffffac21c345fda8-ffffac21c345fdc8

 7450 16:02:36.803363  # [   62.631246] lkdtm: attempting good copy_from_user of local stack

 7451 16:02:36.813239  # [   62.644529] lkdtm: attempting bad copy_from_user of distant stack

 7452 16:02:36.816482  # USERCOPY_STACK_FRAME_FROM: missing 'call trace:': [FAIL]

 7453 16:02:36.822666  not ok 66 selftests: lkdtm: USERCOPY_STACK_FRAME_FROM.sh # exit=1

 7454 16:02:36.829479  # selftests: lkdtm: USERCOPY_STACK_BEYOND.sh

 7455 16:02:36.836111  # [   62.790891] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND

 7456 16:02:36.842690  # [   62.801783] lkdtm: good_stack: ffffac21c34dfe20-ffffac21c34dfe40

 7457 16:02:36.849182  # [   62.815001] lkdtm: bad_stack : ffffac21c34dfff8-ffffac21c34e0018

 7458 16:02:36.858602  # [   62.822014] lkdtm: attempting good copy_to_user of local stack

 7459 16:02:36.865626  # [   62.828852] lkdtm: attempting bad copy_to_user of distant stack

 7460 16:02:36.872081  # [   62.841965] lkdtm: copy_to_user failed, but lacked Oops

 7461 16:02:36.875559  # USERCOPY_STACK_BEYOND: missing 'call trace:': [FAIL]

 7462 16:02:36.881831  not ok 67 selftests: lkdtm: USERCOPY_STACK_BEYOND.sh # exit=1

 7463 16:02:36.885027  # selftests: lkdtm: USERCOPY_KERNEL.sh

 7464 16:02:36.891751  # [   63.016900] lkdtm: Performing direct entry USERCOPY_KERNEL

 7465 16:02:36.902013  # [   63.028805] lkdtm: attempting good copy_to_user from kernel rodata: ffffffffa137ecd0

 7466 16:02:36.911572  # [   63.043990] lkdtm: attempting bad copy_to_user from kernel text: ffffffff9fae1300

 7467 16:02:36.918288  # [   63.058834] lkdtm: FAIL: survived bad copy_to_user()

 7468 16:02:36.921463  # USERCOPY_KERNEL: missing 'call trace:': [FAIL]

 7469 16:02:36.927880  not ok 68 selftests: lkdtm: USERCOPY_KERNEL.sh # exit=1

 7470 16:02:36.931471  # selftests: lkdtm: STACKLEAK_ERASING.sh

 7471 16:02:36.937967  # [   63.199299] lkdtm: Performing direct entry STACKLEAK_ERASING

 7472 16:02:36.947339  # [   63.208198] lkdtm: checking unused part of the thread stack (15928 bytes)...

 7473 16:02:36.953894  # [   63.222588] lkdtm: FAIL: the erased part is not found (checked 15928 bytes)

 7474 16:02:36.960567  # [   63.236866] lkdtm: FAIL: the thread stack is NOT properly erased

 7475 16:02:36.970116  # [   63.250086] CPU: 1 PID: 2870 Comm: cat Tainted: G      D W         5.10.181-cip34 #1

 7476 16:02:36.977100  # [   63.265243] Hardware name: Google Rammus/Rammus, BIOS  09/04/2020

 7477 16:02:36.980610  # [   63.272338] Call Trace:

 7478 16:02:36.987323  # [   63.275362]  dump_stack+0x77/0x9b

 7479 16:02:36.990093  # [   63.285566]  lkdtm_STACKLEAK_ERASING+0x116/0x144

 7480 16:02:36.996913  # [   63.291013]  direct_entry.cold+0x2c/0x38

 7481 16:02:37.000128  # [   63.295685]  full_proxy_write+0x53/0x80

 7482 16:02:37.003670  # [   63.300260]  vfs_write+0xe7/0x3b0

 7483 16:02:37.010137  # [   63.310462]  ksys_write+0x68/0xf0

 7484 16:02:37.013041  # [   63.314455]  do_syscall_64+0x30/0x40

 7485 16:02:37.019862  # [   63.318736]  entry_SYSCALL_64_after_hwframe+0x61/0xc6

 7486 16:02:37.023152  # [   63.330882] RIP: 0033:0x7f6277225473

 7487 16:02:37.045329  # [   63.335164] 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

 7488 16:02:37.052074  # [   63.356443] RSP: 002b:00007ffe5b7af278 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 7489 16:02:37.062263  # [   63.365192] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f6277225473

 7490 16:02:37.071878  # [   63.373454] RDX: 0000000000000012 RSI: 00007f6277119000 RDI: 0000000000000001

 7491 16:02:37.078735  # [   63.381715] RBP: 00007f6277119000 R08: 00007f6277118010 R09: 0000000000000000

 7492 16:02:37.088631  # [   63.389977] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 7493 16:02:37.095021  # [   63.398238] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 7494 16:02:37.104858  # STACKLEAK_ERASING: missing 'OK: the rest of the thread stack is properly erased': [FAIL]

 7495 16:02:37.111363  not ok 69 selftests: lkdtm: STACKLEAK_ERASING.sh # exit=1

 7496 16:02:37.114434  # selftests: lkdtm: CFI_FORWARD_PROTO.sh

 7497 16:02:37.121069  # [   63.583953] lkdtm: Performing direct entry CFI_FORWARD_PROTO

 7498 16:02:37.127385  # [   63.593695] lkdtm: Calling matched prototype ...

 7499 16:02:37.130822  # [   63.599152] lkdtm: Calling mismatched prototype ...

 7500 16:02:37.137395  # [   63.604899] lkdtm: Fail: survived mismatched prototype function call!

 7501 16:02:37.144198  # CFI_FORWARD_PROTO: missing 'call trace:': [FAIL]

 7502 16:02:37.150496  not ok 70 selftests: lkdtm: CFI_FORWARD_PROTO.sh # exit=1

 7503 16:02:37.691978  lkdtm_PANIC_sh skip

 7504 16:02:37.695135  lkdtm_BUG_sh pass

 7505 16:02:37.695639  lkdtm_WARNING_sh pass

 7506 16:02:37.698558  lkdtm_WARNING_MESSAGE_sh pass

 7507 16:02:37.701465  lkdtm_EXCEPTION_sh pass

 7508 16:02:37.704496  lkdtm_LOOP_sh skip

 7509 16:02:37.704578  lkdtm_EXHAUST_STACK_sh skip

 7510 16:02:37.707930  lkdtm_CORRUPT_STACK_sh skip

 7511 16:02:37.711551  lkdtm_CORRUPT_STACK_STRONG_sh skip

 7512 16:02:37.714520  lkdtm_CORRUPT_LIST_ADD_sh fail

 7513 16:02:37.717973  lkdtm_CORRUPT_LIST_DEL_sh fail

 7514 16:02:37.721182  lkdtm_STACK_GUARD_PAGE_LEADING_sh pass

 7515 16:02:37.727811  lkdtm_STACK_GUARD_PAGE_TRAILING_sh pass

 7516 16:02:37.727894  lkdtm_UNSET_SMEP_sh pass

 7517 16:02:37.730825  lkdtm_DOUBLE_FAULT_sh skip

 7518 16:02:37.734080  lkdtm_CORRUPT_PAC_sh skip

 7519 16:02:37.737680  lkdtm_UNALIGNED_LOAD_STORE_WRITE_sh skip

 7520 16:02:37.740772  lkdtm_OVERWRITE_ALLOCATION_sh skip

 7521 16:02:37.744395  lkdtm_WRITE_AFTER_FREE_sh skip

 7522 16:02:37.747410  lkdtm_READ_AFTER_FREE_sh fail

 7523 16:02:37.751101  lkdtm_WRITE_BUDDY_AFTER_FREE_sh skip

 7524 16:02:37.754206  lkdtm_READ_BUDDY_AFTER_FREE_sh fail

 7525 16:02:37.757402  lkdtm_SLAB_FREE_DOUBLE_sh fail

 7526 16:02:37.760648  lkdtm_SLAB_FREE_CROSS_sh fail

 7527 16:02:37.764229  lkdtm_SLAB_FREE_PAGE_sh fail

 7528 16:02:37.767177  lkdtm_SOFTLOCKUP_sh skip

 7529 16:02:37.770653  lkdtm_HARDLOCKUP_sh skip

 7530 16:02:37.770737  lkdtm_SPINLOCKUP_sh skip

 7531 16:02:37.773894  lkdtm_HUNG_TASK_sh skip

 7532 16:02:37.777195  lkdtm_EXEC_DATA_sh pass

 7533 16:02:37.780292  lkdtm_EXEC_STACK_sh pass

 7534 16:02:37.783487  lkdtm_EXEC_KMALLOC_sh pass

 7535 16:02:37.783571  lkdtm_EXEC_VMALLOC_sh pass

 7536 16:02:37.787559  lkdtm_EXEC_RODATA_sh pass

 7537 16:02:37.790704  lkdtm_EXEC_USERSPACE_sh pass

 7538 16:02:37.793813  lkdtm_EXEC_NULL_sh pass

 7539 16:02:37.797038  lkdtm_ACCESS_USERSPACE_sh pass

 7540 16:02:37.797122  lkdtm_ACCESS_NULL_sh pass

 7541 16:02:37.800732  lkdtm_WRITE_RO_sh pass

 7542 16:02:37.803578  lkdtm_WRITE_RO_AFTER_INIT_sh pass

 7543 16:02:37.806630  lkdtm_WRITE_KERN_sh pass

 7544 16:02:37.810278  lkdtm_REFCOUNT_INC_OVERFLOW_sh pass

 7545 16:02:37.813577  lkdtm_REFCOUNT_ADD_OVERFLOW_sh pass

 7546 16:02:37.820056  lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW_sh pass

 7547 16:02:37.823455  lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW_sh pass

 7548 16:02:37.826547  lkdtm_REFCOUNT_DEC_ZERO_sh pass

 7549 16:02:37.830083  lkdtm_REFCOUNT_DEC_NEGATIVE_sh pass

 7550 16:02:37.833305  lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE_sh pass

 7551 16:02:37.840023  lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE_sh pass

 7552 16:02:37.843114  lkdtm_REFCOUNT_INC_ZERO_sh pass

 7553 16:02:37.846483  lkdtm_REFCOUNT_ADD_ZERO_sh pass

 7554 16:02:37.849672  lkdtm_REFCOUNT_INC_SATURATED_sh pass

 7555 16:02:37.853342  lkdtm_REFCOUNT_DEC_SATURATED_sh pass

 7556 16:02:37.856247  lkdtm_REFCOUNT_ADD_SATURATED_sh pass

 7557 16:02:37.859653  lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED_sh pass

 7558 16:02:37.866083  lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED_sh pass

 7559 16:02:37.869857  lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED_sh pass

 7560 16:02:37.875804  lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED_sh pass

 7561 16:02:37.875887  lkdtm_REFCOUNT_TIMING_sh skip

 7562 16:02:37.879242  lkdtm_ATOMIC_TIMING_sh skip

 7563 16:02:37.882445  lkdtm_USERCOPY_HEAP_SIZE_TO_sh fail

 7564 16:02:37.889413  lkdtm_USERCOPY_HEAP_SIZE_FROM_sh fail

 7565 16:02:37.892455  lkdtm_USERCOPY_HEAP_WHITELIST_TO_sh fail

 7566 16:02:37.895586  lkdtm_USERCOPY_HEAP_WHITELIST_FROM_sh fail

 7567 16:02:37.899215  lkdtm_USERCOPY_STACK_FRAME_TO_sh fail

 7568 16:02:37.902495  lkdtm_USERCOPY_STACK_FRAME_FROM_sh fail

 7569 16:02:37.908784  lkdtm_USERCOPY_STACK_BEYOND_sh fail

 7570 16:02:37.908868  lkdtm_USERCOPY_KERNEL_sh fail

 7571 16:02:37.912084  lkdtm_STACKLEAK_ERASING_sh fail

 7572 16:02:37.915528  lkdtm_CFI_FORWARD_PROTO_sh fail

 7573 16:02:37.922638  + ../../utils/send-to-lava.sh ./output/result.txt

 7574 16:02:37.928574  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_PANIC_sh RESULT=skip>

 7575 16:02:37.929153  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_PANIC_sh RESULT=skip
 7577 16:02:37.935481  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_BUG_sh RESULT=pass>

 7578 16:02:37.935736  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_BUG_sh RESULT=pass
 7580 16:02:37.939164  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_WARNING_sh RESULT=pass
 7582 16:02:37.941705  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_WARNING_sh RESULT=pass>

 7583 16:02:37.948865  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_WARNING_MESSAGE_sh RESULT=pass>

 7584 16:02:37.949120  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_WARNING_MESSAGE_sh RESULT=pass
 7586 16:02:37.955208  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXCEPTION_sh RESULT=pass>

 7587 16:02:37.955527  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXCEPTION_sh RESULT=pass
 7589 16:02:37.961473  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_LOOP_sh RESULT=skip>

 7590 16:02:37.961753  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_LOOP_sh RESULT=skip
 7592 16:02:37.968212  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXHAUST_STACK_sh RESULT=skip>

 7593 16:02:37.968494  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXHAUST_STACK_sh RESULT=skip
 7595 16:02:37.975073  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_CORRUPT_STACK_sh RESULT=skip>

 7596 16:02:37.975344  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_CORRUPT_STACK_sh RESULT=skip
 7598 16:02:37.981251  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_CORRUPT_STACK_STRONG_sh RESULT=skip>

 7599 16:02:37.981523  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_CORRUPT_STACK_STRONG_sh RESULT=skip
 7601 16:02:37.987979  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_CORRUPT_LIST_ADD_sh RESULT=fail>

 7602 16:02:37.988251  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_CORRUPT_LIST_ADD_sh RESULT=fail
 7604 16:02:38.005503  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_CORRUPT_LIST_DEL_sh RESULT=fail>

 7605 16:02:38.005782  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_CORRUPT_LIST_DEL_sh RESULT=fail
 7607 16:02:38.038109  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_STACK_GUARD_PAGE_LEADING_sh RESULT=pass>

 7608 16:02:38.038385  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_STACK_GUARD_PAGE_LEADING_sh RESULT=pass
 7610 16:02:38.084817  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_STACK_GUARD_PAGE_TRAILING_sh RESULT=pass>

 7611 16:02:38.085107  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_STACK_GUARD_PAGE_TRAILING_sh RESULT=pass
 7613 16:02:38.120284  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_UNSET_SMEP_sh RESULT=pass
 7615 16:02:38.123501  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_UNSET_SMEP_sh RESULT=pass>

 7616 16:02:38.159173  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_DOUBLE_FAULT_sh RESULT=skip>

 7617 16:02:38.159490  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_DOUBLE_FAULT_sh RESULT=skip
 7619 16:02:38.192664  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_CORRUPT_PAC_sh RESULT=skip>

 7620 16:02:38.192921  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_CORRUPT_PAC_sh RESULT=skip
 7622 16:02:38.220665  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_UNALIGNED_LOAD_STORE_WRITE_sh RESULT=skip>

 7623 16:02:38.220930  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_UNALIGNED_LOAD_STORE_WRITE_sh RESULT=skip
 7625 16:02:38.248815  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_OVERWRITE_ALLOCATION_sh RESULT=skip>

 7626 16:02:38.249077  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_OVERWRITE_ALLOCATION_sh RESULT=skip
 7628 16:02:38.286388  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_WRITE_AFTER_FREE_sh RESULT=skip>

 7629 16:02:38.286653  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_WRITE_AFTER_FREE_sh RESULT=skip
 7631 16:02:38.323901  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_READ_AFTER_FREE_sh RESULT=fail>

 7632 16:02:38.324161  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_READ_AFTER_FREE_sh RESULT=fail
 7634 16:02:38.355376  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_WRITE_BUDDY_AFTER_FREE_sh RESULT=skip>

 7635 16:02:38.355654  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_WRITE_BUDDY_AFTER_FREE_sh RESULT=skip
 7637 16:02:38.394004  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_READ_BUDDY_AFTER_FREE_sh RESULT=fail>

 7638 16:02:38.394267  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_READ_BUDDY_AFTER_FREE_sh RESULT=fail
 7640 16:02:38.427688  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_SLAB_FREE_DOUBLE_sh RESULT=fail>

 7641 16:02:38.427944  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_SLAB_FREE_DOUBLE_sh RESULT=fail
 7643 16:02:38.461967  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_SLAB_FREE_CROSS_sh RESULT=fail>

 7644 16:02:38.462234  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_SLAB_FREE_CROSS_sh RESULT=fail
 7646 16:02:38.493760  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_SLAB_FREE_PAGE_sh RESULT=fail>

 7647 16:02:38.494021  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_SLAB_FREE_PAGE_sh RESULT=fail
 7649 16:02:38.516847  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_SOFTLOCKUP_sh RESULT=skip
 7651 16:02:38.519835  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_SOFTLOCKUP_sh RESULT=skip>

 7652 16:02:38.542624  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_HARDLOCKUP_sh RESULT=skip
 7654 16:02:38.545802  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_HARDLOCKUP_sh RESULT=skip>

 7655 16:02:38.568811  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_SPINLOCKUP_sh RESULT=skip
 7657 16:02:38.571935  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_SPINLOCKUP_sh RESULT=skip>

 7658 16:02:38.595539  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_HUNG_TASK_sh RESULT=skip>

 7659 16:02:38.595800  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_HUNG_TASK_sh RESULT=skip
 7661 16:02:38.621469  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXEC_DATA_sh RESULT=pass
 7663 16:02:38.624759  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXEC_DATA_sh RESULT=pass>

 7664 16:02:38.648496  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXEC_STACK_sh RESULT=pass
 7666 16:02:38.651606  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXEC_STACK_sh RESULT=pass>

 7667 16:02:38.678036  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXEC_KMALLOC_sh RESULT=pass>

 7668 16:02:38.678299  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXEC_KMALLOC_sh RESULT=pass
 7670 16:02:38.706456  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXEC_VMALLOC_sh RESULT=pass>

 7671 16:02:38.706713  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXEC_VMALLOC_sh RESULT=pass
 7673 16:02:38.734480  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXEC_RODATA_sh RESULT=pass
 7675 16:02:38.737666  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXEC_RODATA_sh RESULT=pass>

 7676 16:02:38.765859  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXEC_USERSPACE_sh RESULT=pass>

 7677 16:02:38.766120  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXEC_USERSPACE_sh RESULT=pass
 7679 16:02:38.788845  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXEC_NULL_sh RESULT=pass>

 7680 16:02:38.789099  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXEC_NULL_sh RESULT=pass
 7682 16:02:38.818872  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_ACCESS_USERSPACE_sh RESULT=pass>

 7683 16:02:38.819158  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_ACCESS_USERSPACE_sh RESULT=pass
 7685 16:02:38.844769  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_ACCESS_NULL_sh RESULT=pass>

 7686 16:02:38.845091  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_ACCESS_NULL_sh RESULT=pass
 7688 16:02:38.871581  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_WRITE_RO_sh RESULT=pass>

 7689 16:02:38.871853  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_WRITE_RO_sh RESULT=pass
 7691 16:02:38.903877  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_WRITE_RO_AFTER_INIT_sh RESULT=pass>

 7692 16:02:38.904131  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_WRITE_RO_AFTER_INIT_sh RESULT=pass
 7694 16:02:38.931263  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_WRITE_KERN_sh RESULT=pass
 7696 16:02:38.934344  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_WRITE_KERN_sh RESULT=pass>

 7697 16:02:38.971428  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_INC_OVERFLOW_sh RESULT=pass>

 7698 16:02:38.971690  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_INC_OVERFLOW_sh RESULT=pass
 7700 16:02:39.003859  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_ADD_OVERFLOW_sh RESULT=pass>

 7701 16:02:39.004111  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_ADD_OVERFLOW_sh RESULT=pass
 7703 16:02:39.032413  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW_sh RESULT=pass>

 7704 16:02:39.032671  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW_sh RESULT=pass
 7706 16:02:39.063555  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW_sh RESULT=pass>

 7707 16:02:39.063821  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW_sh RESULT=pass
 7709 16:02:39.099273  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_DEC_ZERO_sh RESULT=pass>

 7710 16:02:39.099540  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_DEC_ZERO_sh RESULT=pass
 7712 16:02:39.129010  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_DEC_NEGATIVE_sh RESULT=pass>

 7713 16:02:39.129271  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_DEC_NEGATIVE_sh RESULT=pass
 7715 16:02:39.155829  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE_sh RESULT=pass>

 7716 16:02:39.156081  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE_sh RESULT=pass
 7718 16:02:39.183648  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE_sh RESULT=pass>

 7719 16:02:39.183909  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE_sh RESULT=pass
 7721 16:02:39.215725  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_INC_ZERO_sh RESULT=pass>

 7722 16:02:39.216030  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_INC_ZERO_sh RESULT=pass
 7724 16:02:39.243344  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_ADD_ZERO_sh RESULT=pass>

 7725 16:02:39.243626  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_ADD_ZERO_sh RESULT=pass
 7727 16:02:39.274620  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_INC_SATURATED_sh RESULT=pass>

 7728 16:02:39.274917  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_INC_SATURATED_sh RESULT=pass
 7730 16:02:39.306921  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_DEC_SATURATED_sh RESULT=pass>

 7731 16:02:39.307174  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_DEC_SATURATED_sh RESULT=pass
 7733 16:02:39.339435  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_ADD_SATURATED_sh RESULT=pass>

 7734 16:02:39.339724  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_ADD_SATURATED_sh RESULT=pass
 7736 16:02:39.369453  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED_sh RESULT=pass>

 7737 16:02:39.369717  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED_sh RESULT=pass
 7739 16:02:39.408193  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED_sh RESULT=pass>

 7740 16:02:39.408450  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED_sh RESULT=pass
 7742 16:02:39.455376  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED_sh RESULT=pass>

 7743 16:02:39.456147  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED_sh RESULT=pass
 7745 16:02:39.513152  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED_sh RESULT=pass>

 7746 16:02:39.514111  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED_sh RESULT=pass
 7748 16:02:39.576026  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_TIMING_sh RESULT=skip>

 7749 16:02:39.576795  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_TIMING_sh RESULT=skip
 7751 16:02:39.646370  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_ATOMIC_TIMING_sh RESULT=skip>

 7752 16:02:39.647357  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_ATOMIC_TIMING_sh RESULT=skip
 7754 16:02:39.711220  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_HEAP_SIZE_TO_sh RESULT=fail>

 7755 16:02:39.711967  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_HEAP_SIZE_TO_sh RESULT=fail
 7757 16:02:39.784111  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_HEAP_SIZE_FROM_sh RESULT=fail>

 7758 16:02:39.784842  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_HEAP_SIZE_FROM_sh RESULT=fail
 7760 16:02:39.847884  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_HEAP_WHITELIST_TO_sh RESULT=fail>

 7761 16:02:39.848628  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_HEAP_WHITELIST_TO_sh RESULT=fail
 7763 16:02:39.919575  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_HEAP_WHITELIST_FROM_sh RESULT=fail>

 7764 16:02:39.920333  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_HEAP_WHITELIST_FROM_sh RESULT=fail
 7766 16:02:39.994391  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_STACK_FRAME_TO_sh RESULT=fail>

 7767 16:02:39.995208  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_STACK_FRAME_TO_sh RESULT=fail
 7769 16:02:40.051818  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_STACK_FRAME_FROM_sh RESULT=fail>

 7770 16:02:40.052590  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_STACK_FRAME_FROM_sh RESULT=fail
 7772 16:02:40.104443  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_STACK_BEYOND_sh RESULT=fail>

 7773 16:02:40.105284  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_STACK_BEYOND_sh RESULT=fail
 7775 16:02:40.158227  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_KERNEL_sh RESULT=fail>

 7776 16:02:40.158962  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_KERNEL_sh RESULT=fail
 7778 16:02:40.211616  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_STACKLEAK_ERASING_sh RESULT=fail>

 7779 16:02:40.212588  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_STACKLEAK_ERASING_sh RESULT=fail
 7781 16:02:40.277252  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_CFI_FORWARD_PROTO_sh RESULT=fail>

 7782 16:02:40.277729  + set +x

 7783 16:02:40.278364  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_CFI_FORWARD_PROTO_sh RESULT=fail
 7785 16:02:40.283661  <LAVA_SIGNAL_ENDRUN 1_kselftest-lkdtm 10527071_1.5.2.3.5>

 7786 16:02:40.284541  Received signal: <ENDRUN> 1_kselftest-lkdtm 10527071_1.5.2.3.5
 7787 16:02:40.284959  Ending use of test pattern.
 7788 16:02:40.285309  Ending test lava.1_kselftest-lkdtm (10527071_1.5.2.3.5), duration 49.11
 7790 16:02:40.286509  ok: lava_test_shell seems to have completed
 7791 16:02:40.289707  lkdtm_ACCESS_NULL_sh: pass
lkdtm_ACCESS_USERSPACE_sh: pass
lkdtm_ATOMIC_TIMING_sh: skip
lkdtm_BUG_sh: pass
lkdtm_CFI_FORWARD_PROTO_sh: fail
lkdtm_CORRUPT_LIST_ADD_sh: fail
lkdtm_CORRUPT_LIST_DEL_sh: fail
lkdtm_CORRUPT_PAC_sh: skip
lkdtm_CORRUPT_STACK_STRONG_sh: skip
lkdtm_CORRUPT_STACK_sh: skip
lkdtm_DOUBLE_FAULT_sh: skip
lkdtm_EXCEPTION_sh: pass
lkdtm_EXEC_DATA_sh: pass
lkdtm_EXEC_KMALLOC_sh: pass
lkdtm_EXEC_NULL_sh: pass
lkdtm_EXEC_RODATA_sh: pass
lkdtm_EXEC_STACK_sh: pass
lkdtm_EXEC_USERSPACE_sh: pass
lkdtm_EXEC_VMALLOC_sh: pass
lkdtm_EXHAUST_STACK_sh: skip
lkdtm_HARDLOCKUP_sh: skip
lkdtm_HUNG_TASK_sh: skip
lkdtm_LOOP_sh: skip
lkdtm_OVERWRITE_ALLOCATION_sh: skip
lkdtm_PANIC_sh: skip
lkdtm_READ_AFTER_FREE_sh: fail
lkdtm_READ_BUDDY_AFTER_FREE_sh: fail
lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW_sh: pass
lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED_sh: pass
lkdtm_REFCOUNT_ADD_OVERFLOW_sh: pass
lkdtm_REFCOUNT_ADD_SATURATED_sh: pass
lkdtm_REFCOUNT_ADD_ZERO_sh: pass
lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE_sh: pass
lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED_sh: pass
lkdtm_REFCOUNT_DEC_NEGATIVE_sh: pass
lkdtm_REFCOUNT_DEC_SATURATED_sh: pass
lkdtm_REFCOUNT_DEC_ZERO_sh: pass
lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW_sh: pass
lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED_sh: pass
lkdtm_REFCOUNT_INC_OVERFLOW_sh: pass
lkdtm_REFCOUNT_INC_SATURATED_sh: pass
lkdtm_REFCOUNT_INC_ZERO_sh: pass
lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE_sh: pass
lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED_sh: pass
lkdtm_REFCOUNT_TIMING_sh: skip
lkdtm_SLAB_FREE_CROSS_sh: fail
lkdtm_SLAB_FREE_DOUBLE_sh: fail
lkdtm_SLAB_FREE_PAGE_sh: fail
lkdtm_SOFTLOCKUP_sh: skip
lkdtm_SPINLOCKUP_sh: skip
lkdtm_STACKLEAK_ERASING_sh: fail
lkdtm_STACK_GUARD_PAGE_LEADING_sh: pass
lkdtm_STACK_GUARD_PAGE_TRAILING_sh: pass
lkdtm_UNALIGNED_LOAD_STORE_WRITE_sh: skip
lkdtm_UNSET_SMEP_sh: pass
lkdtm_USERCOPY_HEAP_SIZE_FROM_sh: fail
lkdtm_USERCOPY_HEAP_SIZE_TO_sh: fail
lkdtm_USERCOPY_HEAP_WHITELIST_FROM_sh: fail
lkdtm_USERCOPY_HEAP_WHITELIST_TO_sh: fail
lkdtm_USERCOPY_KERNEL_sh: fail
lkdtm_USERCOPY_STACK_BEYOND_sh: fail
lkdtm_USERCOPY_STACK_FRAME_FROM_sh: fail
lkdtm_USERCOPY_STACK_FRAME_TO_sh: fail
lkdtm_WARNING_MESSAGE_sh: pass
lkdtm_WARNING_sh: pass
lkdtm_WRITE_AFTER_FREE_sh: skip
lkdtm_WRITE_BUDDY_AFTER_FREE_sh: skip
lkdtm_WRITE_KERN_sh: pass
lkdtm_WRITE_RO_AFTER_INIT_sh: pass
lkdtm_WRITE_RO_sh: pass

 7792 16:02:40.290314  end: 3.1 lava-test-shell (duration 00:00:50) [common]
 7793 16:02:40.290809  end: 3 lava-test-retry (duration 00:00:50) [common]
 7794 16:02:40.291346  start: 4 finalize (timeout 00:07:51) [common]
 7795 16:02:40.291866  start: 4.1 power-off (timeout 00:00:30) [common]
 7796 16:02:40.292764  Calling: 'pduclient' '--daemon=localhost' '--hostname=asus-C433TA-AJ0005-rammus-cbg-3' '--port=1' '--command=off'
 7797 16:02:40.413229  >> Command sent successfully.

 7798 16:02:40.416887  Returned 0 in 0 seconds
 7799 16:02:40.517860  end: 4.1 power-off (duration 00:00:00) [common]
 7801 16:02:40.519396  start: 4.2 read-feedback (timeout 00:07:50) [common]
 7803 16:02:40.521754  Listened to connection for namespace 'common' for up to 1s
 7804 16:02:41.520605  Finalising connection for namespace 'common'
 7805 16:02:41.520975  Disconnecting from shell: Finalise
 7806 16:02:41.521277  / # 
 7807 16:02:41.621885  end: 4.2 read-feedback (duration 00:00:01) [common]
 7808 16:02:41.622204  end: 4 finalize (duration 00:00:01) [common]
 7809 16:02:41.622479  Cleaning after the job
 7810 16:02:41.622712  Cleaning up download directory: /var/lib/lava/dispatcher/tmp/10527071/tftp-deploy-gzt7f09a/ramdisk
 7811 16:02:41.625022  Cleaning up download directory: /var/lib/lava/dispatcher/tmp/10527071/tftp-deploy-gzt7f09a/kernel
 7812 16:02:41.626829  Cleaning up download directory: /var/lib/lava/dispatcher/tmp/10527071/tftp-deploy-gzt7f09a/nfsrootfs
 7813 16:02:41.695223  Cleaning up download directory: /var/lib/lava/dispatcher/tmp/10527071/tftp-deploy-gzt7f09a/modules
 7814 16:02:41.697932  Override tmp directory removed at /var/lib/lava/dispatcher/tmp/10527071
 7815 16:02:42.182521  Root tmp directory removed at /var/lib/lava/dispatcher/tmp/10527071
 7816 16:02:42.182704  Job finished correctly