Boot log: imx6q-sabrelite

    1 07:24:27.773996  lava-dispatcher, installed at version: 2023.03
    2 07:24:27.774197  start: 0 validate
    3 07:24:27.774321  Start time: 2023-05-26 07:24:27.774313+00:00 (UTC)
    4 07:24:27.774439  Using caching service: 'http://localhost/cache/?uri=%s'
    5 07:24:27.774568  Validating that http://localhost/cache/?uri=http%3A%2F%2Fstorage.kernelci.org%2Fimages%2Frootfs%2Fdebian%2Fbullseye-kselftest%2F20230519.0%2Farmhf%2Finitrd.cpio.gz exists
    6 07:24:28.065103  Using caching service: 'http://localhost/cache/?uri=%s'
    7 07:24:28.065747  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-cip33-21-g090289427e8b2%2Farm%2Fmulti_v7_defconfig%2Bkselftest%2Fgcc-10%2Fkernel%2FzImage exists
    8 07:24:33.069883  Using caching service: 'http://localhost/cache/?uri=%s'
    9 07:24:33.070604  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-cip33-21-g090289427e8b2%2Farm%2Fmulti_v7_defconfig%2Bkselftest%2Fgcc-10%2Fdtbs%2Fimx6q-sabrelite.dtb exists
   10 07:24:33.074950  Using caching service: 'http://localhost/cache/?uri=%s'
   11 07:24:33.075509  Validating that http://localhost/cache/?uri=http%3A%2F%2Fstorage.kernelci.org%2Fimages%2Frootfs%2Fdebian%2Fbullseye-kselftest%2F20230519.0%2Farmhf%2Ffull.rootfs.tar.xz exists
   12 07:24:33.364977  Using caching service: 'http://localhost/cache/?uri=%s'
   13 07:24:33.365579  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-cip33-21-g090289427e8b2%2Farm%2Fmulti_v7_defconfig%2Bkselftest%2Fgcc-10%2Fmodules.tar.xz exists
   14 07:24:45.171749  validate duration: 17.40
   16 07:24:45.172051  start: 1 tftp-deploy (timeout 00:10:00) [common]
   17 07:24:45.172145  start: 1.1 download-retry (timeout 00:10:00) [common]
   18 07:24:45.172228  start: 1.1.1 http-download (timeout 00:10:00) [common]
   19 07:24:45.172345  Not decompressing ramdisk as can be used compressed.
   20 07:24:45.172426  downloading http://storage.kernelci.org/images/rootfs/debian/bullseye-kselftest/20230519.0/armhf/initrd.cpio.gz
   21 07:24:45.172489  saving as /var/lib/lava/dispatcher/tmp/10462856/tftp-deploy-9w45tp6z/ramdisk/initrd.cpio.gz
   22 07:24:45.172550  total size: 4021294 (3MB)
   23 07:24:45.459729  progress   0% (0MB)
   24 07:24:45.460970  progress   5% (0MB)
   25 07:24:45.462005  progress  10% (0MB)
   26 07:24:45.463076  progress  15% (0MB)
   27 07:24:45.464090  progress  20% (0MB)
   28 07:24:45.465107  progress  25% (0MB)
   29 07:24:45.466132  progress  30% (1MB)
   30 07:24:45.467188  progress  35% (1MB)
   31 07:24:45.468361  progress  40% (1MB)
   32 07:24:45.469367  progress  45% (1MB)
   33 07:24:45.470378  progress  50% (1MB)
   34 07:24:45.471425  progress  55% (2MB)
   35 07:24:45.472441  progress  60% (2MB)
   36 07:24:45.473457  progress  65% (2MB)
   37 07:24:45.474469  progress  70% (2MB)
   38 07:24:45.475675  progress  75% (2MB)
   39 07:24:45.476687  progress  80% (3MB)
   40 07:24:45.477700  progress  85% (3MB)
   41 07:24:45.478716  progress  90% (3MB)
   42 07:24:45.479729  progress  95% (3MB)
   43 07:24:45.480760  progress 100% (3MB)
   44 07:24:45.480954  3MB downloaded in 0.31s (12.44MB/s)
   45 07:24:45.481100  end: 1.1.1 http-download (duration 00:00:00) [common]
   47 07:24:45.481334  end: 1.1 download-retry (duration 00:00:00) [common]
   48 07:24:45.481418  start: 1.2 download-retry (timeout 00:10:00) [common]
   49 07:24:45.481501  start: 1.2.1 http-download (timeout 00:10:00) [common]
   50 07:24:45.481630  downloading http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.180-cip33-21-g090289427e8b2/arm/multi_v7_defconfig+kselftest/gcc-10/kernel/zImage
   51 07:24:45.481699  saving as /var/lib/lava/dispatcher/tmp/10462856/tftp-deploy-9w45tp6z/kernel/zImage
   52 07:24:45.481764  total size: 12415488 (11MB)
   53 07:24:45.481825  No compression specified
   54 07:24:45.482938  progress   0% (0MB)
   55 07:24:45.485982  progress   5% (0MB)
   56 07:24:45.489080  progress  10% (1MB)
   57 07:24:45.492150  progress  15% (1MB)
   58 07:24:45.495299  progress  20% (2MB)
   59 07:24:45.498378  progress  25% (2MB)
   60 07:24:45.501493  progress  30% (3MB)
   61 07:24:45.504591  progress  35% (4MB)
   62 07:24:45.507669  progress  40% (4MB)
   63 07:24:45.510782  progress  45% (5MB)
   64 07:24:45.513822  progress  50% (5MB)
   65 07:24:45.516902  progress  55% (6MB)
   66 07:24:45.520008  progress  60% (7MB)
   67 07:24:45.523087  progress  65% (7MB)
   68 07:24:45.526193  progress  70% (8MB)
   69 07:24:45.529263  progress  75% (8MB)
   70 07:24:45.532292  progress  80% (9MB)
   71 07:24:45.535288  progress  85% (10MB)
   72 07:24:45.538276  progress  90% (10MB)
   73 07:24:45.541158  progress  95% (11MB)
   74 07:24:45.544199  progress 100% (11MB)
   75 07:24:45.544418  11MB downloaded in 0.06s (188.99MB/s)
   76 07:24:45.544561  end: 1.2.1 http-download (duration 00:00:00) [common]
   78 07:24:45.544785  end: 1.2 download-retry (duration 00:00:00) [common]
   79 07:24:45.544870  start: 1.3 download-retry (timeout 00:10:00) [common]
   80 07:24:45.544956  start: 1.3.1 http-download (timeout 00:10:00) [common]
   81 07:24:45.545085  downloading http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.180-cip33-21-g090289427e8b2/arm/multi_v7_defconfig+kselftest/gcc-10/dtbs/imx6q-sabrelite.dtb
   82 07:24:45.545154  saving as /var/lib/lava/dispatcher/tmp/10462856/tftp-deploy-9w45tp6z/dtb/imx6q-sabrelite.dtb
   83 07:24:45.545214  total size: 42449 (0MB)
   84 07:24:45.545276  No compression specified
   85 07:24:45.837987  progress  77% (0MB)
   86 07:24:45.838309  progress 100% (0MB)
   87 07:24:45.838448  0MB downloaded in 0.29s (0.14MB/s)
   88 07:24:45.838656  end: 1.3.1 http-download (duration 00:00:00) [common]
   90 07:24:45.838920  end: 1.3 download-retry (duration 00:00:00) [common]
   91 07:24:45.839005  start: 1.4 download-retry (timeout 00:09:59) [common]
   92 07:24:45.839087  start: 1.4.1 http-download (timeout 00:09:59) [common]
   93 07:24:45.839235  downloading http://storage.kernelci.org/images/rootfs/debian/bullseye-kselftest/20230519.0/armhf/full.rootfs.tar.xz
   94 07:24:45.839302  saving as /var/lib/lava/dispatcher/tmp/10462856/tftp-deploy-9w45tp6z/nfsrootfs/full.rootfs.tar
   95 07:24:45.839363  total size: 195816340 (186MB)
   96 07:24:45.839446  Using unxz to decompress xz
   97 07:24:46.134069  progress   0% (0MB)
   98 07:24:46.644246  progress   5% (9MB)
   99 07:24:47.141325  progress  10% (18MB)
  100 07:24:47.694215  progress  15% (28MB)
  101 07:24:48.069030  progress  20% (37MB)
  102 07:24:48.357756  progress  25% (46MB)
  103 07:24:48.902917  progress  30% (56MB)
  104 07:24:49.427515  progress  35% (65MB)
  105 07:24:49.969973  progress  40% (74MB)
  106 07:24:50.502787  progress  45% (84MB)
  107 07:24:51.037172  progress  50% (93MB)
  108 07:24:51.627320  progress  55% (102MB)
  109 07:24:52.272629  progress  60% (112MB)
  110 07:24:52.390568  progress  65% (121MB)
  111 07:24:52.544750  progress  70% (130MB)
  112 07:24:52.634304  progress  75% (140MB)
  113 07:24:52.703033  progress  80% (149MB)
  114 07:24:52.766761  progress  85% (158MB)
  115 07:24:52.864777  progress  90% (168MB)
  116 07:24:53.139146  progress  95% (177MB)
  117 07:24:53.679877  progress 100% (186MB)
  118 07:24:53.685949  186MB downloaded in 7.85s (23.80MB/s)
  119 07:24:53.686243  end: 1.4.1 http-download (duration 00:00:08) [common]
  121 07:24:53.686506  end: 1.4 download-retry (duration 00:00:08) [common]
  122 07:24:53.686633  start: 1.5 download-retry (timeout 00:09:51) [common]
  123 07:24:53.686722  start: 1.5.1 http-download (timeout 00:09:51) [common]
  124 07:24:53.686850  downloading http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.180-cip33-21-g090289427e8b2/arm/multi_v7_defconfig+kselftest/gcc-10/modules.tar.xz
  125 07:24:53.686922  saving as /var/lib/lava/dispatcher/tmp/10462856/tftp-deploy-9w45tp6z/modules/modules.tar
  126 07:24:53.686984  total size: 7477008 (7MB)
  127 07:24:53.687048  Using unxz to decompress xz
  128 07:24:53.690670  progress   0% (0MB)
  129 07:24:53.707686  progress   5% (0MB)
  130 07:24:53.727810  progress  10% (0MB)
  131 07:24:53.747265  progress  15% (1MB)
  132 07:24:53.768875  progress  20% (1MB)
  133 07:24:53.791140  progress  25% (1MB)
  134 07:24:53.813362  progress  30% (2MB)
  135 07:24:53.833339  progress  35% (2MB)
  136 07:24:53.855042  progress  40% (2MB)
  137 07:24:53.875055  progress  45% (3MB)
  138 07:24:53.896840  progress  50% (3MB)
  139 07:24:53.916760  progress  55% (3MB)
  140 07:24:53.936646  progress  60% (4MB)
  141 07:24:53.958305  progress  65% (4MB)
  142 07:24:53.979162  progress  70% (5MB)
  143 07:24:54.001339  progress  75% (5MB)
  144 07:24:54.022602  progress  80% (5MB)
  145 07:24:54.042866  progress  85% (6MB)
  146 07:24:54.065379  progress  90% (6MB)
  147 07:24:54.085670  progress  95% (6MB)
  148 07:24:54.107943  progress 100% (7MB)
  149 07:24:54.112723  7MB downloaded in 0.43s (16.75MB/s)
  150 07:24:54.112990  end: 1.5.1 http-download (duration 00:00:00) [common]
  152 07:24:54.113249  end: 1.5 download-retry (duration 00:00:00) [common]
  153 07:24:54.113340  start: 1.6 prepare-tftp-overlay (timeout 00:09:51) [common]
  154 07:24:54.113436  start: 1.6.1 extract-nfsrootfs (timeout 00:09:51) [common]
  155 07:24:57.135041  Extracted nfsroot to /var/lib/lava/dispatcher/tmp/10462856/extract-nfsrootfs-71h3mz8u
  156 07:24:57.135257  end: 1.6.1 extract-nfsrootfs (duration 00:00:03) [common]
  157 07:24:57.135362  start: 1.6.2 lava-overlay (timeout 00:09:48) [common]
  158 07:24:57.135519  [common] Preparing overlay tarball in /var/lib/lava/dispatcher/tmp/10462856/lava-overlay-vqyucmhf
  159 07:24:57.135638  makedir: /var/lib/lava/dispatcher/tmp/10462856/lava-overlay-vqyucmhf/lava-10462856/bin
  160 07:24:57.135734  makedir: /var/lib/lava/dispatcher/tmp/10462856/lava-overlay-vqyucmhf/lava-10462856/tests
  161 07:24:57.135826  makedir: /var/lib/lava/dispatcher/tmp/10462856/lava-overlay-vqyucmhf/lava-10462856/results
  162 07:24:57.135921  Creating /var/lib/lava/dispatcher/tmp/10462856/lava-overlay-vqyucmhf/lava-10462856/bin/lava-add-keys
  163 07:24:57.136055  Creating /var/lib/lava/dispatcher/tmp/10462856/lava-overlay-vqyucmhf/lava-10462856/bin/lava-add-sources
  164 07:24:57.136205  Creating /var/lib/lava/dispatcher/tmp/10462856/lava-overlay-vqyucmhf/lava-10462856/bin/lava-background-process-start
  165 07:24:57.136363  Creating /var/lib/lava/dispatcher/tmp/10462856/lava-overlay-vqyucmhf/lava-10462856/bin/lava-background-process-stop
  166 07:24:57.136478  Creating /var/lib/lava/dispatcher/tmp/10462856/lava-overlay-vqyucmhf/lava-10462856/bin/lava-common-functions
  167 07:24:57.136592  Creating /var/lib/lava/dispatcher/tmp/10462856/lava-overlay-vqyucmhf/lava-10462856/bin/lava-echo-ipv4
  168 07:24:57.136704  Creating /var/lib/lava/dispatcher/tmp/10462856/lava-overlay-vqyucmhf/lava-10462856/bin/lava-install-packages
  169 07:24:57.136817  Creating /var/lib/lava/dispatcher/tmp/10462856/lava-overlay-vqyucmhf/lava-10462856/bin/lava-installed-packages
  170 07:24:57.136930  Creating /var/lib/lava/dispatcher/tmp/10462856/lava-overlay-vqyucmhf/lava-10462856/bin/lava-os-build
  171 07:24:57.137043  Creating /var/lib/lava/dispatcher/tmp/10462856/lava-overlay-vqyucmhf/lava-10462856/bin/lava-probe-channel
  172 07:24:57.137156  Creating /var/lib/lava/dispatcher/tmp/10462856/lava-overlay-vqyucmhf/lava-10462856/bin/lava-probe-ip
  173 07:24:57.137268  Creating /var/lib/lava/dispatcher/tmp/10462856/lava-overlay-vqyucmhf/lava-10462856/bin/lava-target-ip
  174 07:24:57.137380  Creating /var/lib/lava/dispatcher/tmp/10462856/lava-overlay-vqyucmhf/lava-10462856/bin/lava-target-mac
  175 07:24:57.137491  Creating /var/lib/lava/dispatcher/tmp/10462856/lava-overlay-vqyucmhf/lava-10462856/bin/lava-target-storage
  176 07:24:57.137609  Creating /var/lib/lava/dispatcher/tmp/10462856/lava-overlay-vqyucmhf/lava-10462856/bin/lava-test-case
  177 07:24:57.137724  Creating /var/lib/lava/dispatcher/tmp/10462856/lava-overlay-vqyucmhf/lava-10462856/bin/lava-test-event
  178 07:24:57.137836  Creating /var/lib/lava/dispatcher/tmp/10462856/lava-overlay-vqyucmhf/lava-10462856/bin/lava-test-feedback
  179 07:24:57.137948  Creating /var/lib/lava/dispatcher/tmp/10462856/lava-overlay-vqyucmhf/lava-10462856/bin/lava-test-raise
  180 07:24:57.138059  Creating /var/lib/lava/dispatcher/tmp/10462856/lava-overlay-vqyucmhf/lava-10462856/bin/lava-test-reference
  181 07:24:57.138171  Creating /var/lib/lava/dispatcher/tmp/10462856/lava-overlay-vqyucmhf/lava-10462856/bin/lava-test-runner
  182 07:24:57.138282  Creating /var/lib/lava/dispatcher/tmp/10462856/lava-overlay-vqyucmhf/lava-10462856/bin/lava-test-set
  183 07:24:57.138392  Creating /var/lib/lava/dispatcher/tmp/10462856/lava-overlay-vqyucmhf/lava-10462856/bin/lava-test-shell
  184 07:24:57.138506  Updating /var/lib/lava/dispatcher/tmp/10462856/lava-overlay-vqyucmhf/lava-10462856/bin/lava-add-keys (debian)
  185 07:24:57.138708  Updating /var/lib/lava/dispatcher/tmp/10462856/lava-overlay-vqyucmhf/lava-10462856/bin/lava-add-sources (debian)
  186 07:24:57.138836  Updating /var/lib/lava/dispatcher/tmp/10462856/lava-overlay-vqyucmhf/lava-10462856/bin/lava-install-packages (debian)
  187 07:24:57.139003  Updating /var/lib/lava/dispatcher/tmp/10462856/lava-overlay-vqyucmhf/lava-10462856/bin/lava-installed-packages (debian)
  188 07:24:57.139162  Updating /var/lib/lava/dispatcher/tmp/10462856/lava-overlay-vqyucmhf/lava-10462856/bin/lava-os-build (debian)
  189 07:24:57.139302  Creating /var/lib/lava/dispatcher/tmp/10462856/lava-overlay-vqyucmhf/lava-10462856/environment
  190 07:24:57.139421  LAVA metadata
  191 07:24:57.139487  - LAVA_JOB_ID=10462856
  192 07:24:57.139546  - LAVA_DISPATCHER_IP=192.168.201.1
  193 07:24:57.139639  start: 1.6.2.1 ssh-authorize (timeout 00:09:48) [common]
  194 07:24:57.139839  end: 1.6.2.1 ssh-authorize (duration 00:00:00) [common]
  195 07:24:57.139924  start: 1.6.2.2 lava-vland-overlay (timeout 00:09:48) [common]
  196 07:24:57.139986  skipped lava-vland-overlay
  197 07:24:57.140057  end: 1.6.2.2 lava-vland-overlay (duration 00:00:00) [common]
  198 07:24:57.140134  start: 1.6.2.3 lava-multinode-overlay (timeout 00:09:48) [common]
  199 07:24:57.140195  skipped lava-multinode-overlay
  200 07:24:57.140265  end: 1.6.2.3 lava-multinode-overlay (duration 00:00:00) [common]
  201 07:24:57.140339  start: 1.6.2.4 test-definition (timeout 00:09:48) [common]
  202 07:24:57.140408  Loading test definitions
  203 07:24:57.140492  start: 1.6.2.4.1 inline-repo-action (timeout 00:09:48) [common]
  204 07:24:57.140563  Using /lava-10462856 at stage 0
  205 07:24:57.140824  uuid=10462856_1.6.2.4.1 testdef=None
  206 07:24:57.140906  end: 1.6.2.4.1 inline-repo-action (duration 00:00:00) [common]
  207 07:24:57.140985  start: 1.6.2.4.2 test-overlay (timeout 00:09:48) [common]
  208 07:24:57.141401  end: 1.6.2.4.2 test-overlay (duration 00:00:00) [common]
  210 07:24:57.141616  start: 1.6.2.4.3 test-install-overlay (timeout 00:09:48) [common]
  211 07:24:57.142227  end: 1.6.2.4.3 test-install-overlay (duration 00:00:00) [common]
  213 07:24:57.142446  start: 1.6.2.4.4 test-runscript-overlay (timeout 00:09:48) [common]
  214 07:24:57.143073  runner path: /var/lib/lava/dispatcher/tmp/10462856/lava-overlay-vqyucmhf/lava-10462856/0/tests/0_timesync-off test_uuid 10462856_1.6.2.4.1
  215 07:24:57.143217  end: 1.6.2.4.4 test-runscript-overlay (duration 00:00:00) [common]
  217 07:24:57.143432  start: 1.6.2.4.5 git-repo-action (timeout 00:09:48) [common]
  218 07:24:57.143502  Using /lava-10462856 at stage 0
  219 07:24:57.143593  Fetching tests from https://github.com/kernelci/test-definitions.git
  220 07:24:57.143668  Running '/usr/bin/git clone https://github.com/kernelci/test-definitions.git /var/lib/lava/dispatcher/tmp/10462856/lava-overlay-vqyucmhf/lava-10462856/0/tests/1_kselftest-lkdtm'
  221 07:25:03.045485  Running '/usr/bin/git checkout kernelci.org
  222 07:25:03.098808  Tests stored (tmp) in /var/lib/lava/dispatcher/tmp/10462856/lava-overlay-vqyucmhf/lava-10462856/0/tests/1_kselftest-lkdtm/automated/linux/kselftest/kselftest.yaml
  223 07:25:03.099492  uuid=10462856_1.6.2.4.5 testdef=None
  224 07:25:03.099673  end: 1.6.2.4.5 git-repo-action (duration 00:00:06) [common]
  226 07:25:03.099957  start: 1.6.2.4.6 test-overlay (timeout 00:09:42) [common]
  227 07:25:03.100697  end: 1.6.2.4.6 test-overlay (duration 00:00:00) [common]
  229 07:25:03.100965  start: 1.6.2.4.7 test-install-overlay (timeout 00:09:42) [common]
  230 07:25:03.102009  end: 1.6.2.4.7 test-install-overlay (duration 00:00:00) [common]
  232 07:25:03.102282  start: 1.6.2.4.8 test-runscript-overlay (timeout 00:09:42) [common]
  233 07:25:03.103308  runner path: /var/lib/lava/dispatcher/tmp/10462856/lava-overlay-vqyucmhf/lava-10462856/0/tests/1_kselftest-lkdtm test_uuid 10462856_1.6.2.4.5
  234 07:25:03.103412  BOARD='imx6q-sabrelite'
  235 07:25:03.103504  BRANCH='cip-gitlab'
  236 07:25:03.103591  SKIPFILE='/dev/null'
  237 07:25:03.103677  SKIP_INSTALL='True'
  238 07:25:03.103761  TESTPROG_URL='http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.180-cip33-21-g090289427e8b2/arm/multi_v7_defconfig+kselftest/gcc-10/kselftest.tar.xz'
  239 07:25:03.103819  TST_CASENAME=''
  240 07:25:03.103874  TST_CMDFILES='lkdtm'
  241 07:25:03.104010  end: 1.6.2.4.8 test-runscript-overlay (duration 00:00:00) [common]
  243 07:25:03.104217  Creating lava-test-runner.conf files
  244 07:25:03.104280  Using lava-test-runner path: /var/lib/lava/dispatcher/tmp/10462856/lava-overlay-vqyucmhf/lava-10462856/0 for stage 0
  245 07:25:03.104367  - 0_timesync-off
  246 07:25:03.104434  - 1_kselftest-lkdtm
  247 07:25:03.104526  end: 1.6.2.4 test-definition (duration 00:00:06) [common]
  248 07:25:03.104612  start: 1.6.2.5 compress-overlay (timeout 00:09:42) [common]
  249 07:25:10.206965  end: 1.6.2.5 compress-overlay (duration 00:00:07) [common]
  250 07:25:10.207135  start: 1.6.2.6 persistent-nfs-overlay (timeout 00:09:35) [common]
  251 07:25:10.207250  end: 1.6.2.6 persistent-nfs-overlay (duration 00:00:00) [common]
  252 07:25:10.207376  end: 1.6.2 lava-overlay (duration 00:00:13) [common]
  253 07:25:10.207494  start: 1.6.3 extract-overlay-ramdisk (timeout 00:09:35) [common]
  254 07:25:10.284681  end: 1.6.3 extract-overlay-ramdisk (duration 00:00:00) [common]
  255 07:25:10.285039  start: 1.6.4 extract-modules (timeout 00:09:35) [common]
  256 07:25:10.285180  extracting modules file /var/lib/lava/dispatcher/tmp/10462856/tftp-deploy-9w45tp6z/modules/modules.tar to /var/lib/lava/dispatcher/tmp/10462856/extract-nfsrootfs-71h3mz8u
  257 07:25:10.441131  extracting modules file /var/lib/lava/dispatcher/tmp/10462856/tftp-deploy-9w45tp6z/modules/modules.tar to /var/lib/lava/dispatcher/tmp/10462856/extract-overlay-ramdisk-jpkbym50/ramdisk
  258 07:25:10.600314  end: 1.6.4 extract-modules (duration 00:00:00) [common]
  259 07:25:10.600483  start: 1.6.5 apply-overlay-tftp (timeout 00:09:35) [common]
  260 07:25:10.600582  [common] Applying overlay to NFS
  261 07:25:10.600651  [common] Applying overlay /var/lib/lava/dispatcher/tmp/10462856/compress-overlay-lr618a24/overlay-1.6.2.5.tar.gz to directory /var/lib/lava/dispatcher/tmp/10462856/extract-nfsrootfs-71h3mz8u
  262 07:25:11.448263  end: 1.6.5 apply-overlay-tftp (duration 00:00:01) [common]
  263 07:25:11.448447  start: 1.6.6 prepare-kernel (timeout 00:09:34) [common]
  264 07:25:11.448576  start: 1.6.6.1 uboot-prepare-kernel (timeout 00:09:34) [common]
  265 07:25:11.448702  end: 1.6.6.1 uboot-prepare-kernel (duration 00:00:00) [common]
  266 07:25:11.448813  end: 1.6.6 prepare-kernel (duration 00:00:00) [common]
  267 07:25:11.448927  start: 1.6.7 configure-preseed-file (timeout 00:09:34) [common]
  268 07:25:11.449035  end: 1.6.7 configure-preseed-file (duration 00:00:00) [common]
  269 07:25:11.449118  start: 1.6.8 compress-ramdisk (timeout 00:09:34) [common]
  270 07:25:11.449197  Building ramdisk /var/lib/lava/dispatcher/tmp/10462856/extract-overlay-ramdisk-jpkbym50/ramdisk.cpio containing /var/lib/lava/dispatcher/tmp/10462856/extract-overlay-ramdisk-jpkbym50/ramdisk
  271 07:25:11.645619  >> 80694 blocks

  272 07:25:13.358353  Adding RAMdisk u-boot header.
  273 07:25:13.358727  mkimage -A arm -T ramdisk -C none -d /var/lib/lava/dispatcher/tmp/10462856/extract-overlay-ramdisk-jpkbym50/ramdisk.cpio.gz /var/lib/lava/dispatcher/tmp/10462856/extract-overlay-ramdisk-jpkbym50/ramdisk.cpio.gz.uboot
  274 07:25:13.443470  output: Image Name:   
  275 07:25:13.443832  output: Created:      Fri May 26 08:25:13 2023
  276 07:25:13.443915  output: Image Type:   ARM Linux RAMDisk Image (uncompressed)
  277 07:25:13.443986  output: Data Size:    15448029 Bytes = 15085.97 KiB = 14.73 MiB
  278 07:25:13.444056  output: Load Address: 00000000
  279 07:25:13.444122  output: Entry Point:  00000000
  280 07:25:13.444187  output: 
  281 07:25:13.444313  rename /var/lib/lava/dispatcher/tmp/10462856/extract-overlay-ramdisk-jpkbym50/ramdisk.cpio.gz.uboot to /var/lib/lava/dispatcher/tmp/10462856/tftp-deploy-9w45tp6z/ramdisk/ramdisk.cpio.gz.uboot
  282 07:25:13.444526  end: 1.6.8 compress-ramdisk (duration 00:00:02) [common]
  283 07:25:13.444649  end: 1.6 prepare-tftp-overlay (duration 00:00:19) [common]
  284 07:25:13.444759  start: 1.7 lxc-create-udev-rule-action (timeout 00:09:32) [common]
  285 07:25:13.444844  No LXC device requested
  286 07:25:13.444931  end: 1.7 lxc-create-udev-rule-action (duration 00:00:00) [common]
  287 07:25:13.445020  start: 1.8 deploy-device-env (timeout 00:09:32) [common]
  288 07:25:13.445102  end: 1.8 deploy-device-env (duration 00:00:00) [common]
  289 07:25:13.445182  Checking files for TFTP limit of 4294967296 bytes.
  290 07:25:13.445688  end: 1 tftp-deploy (duration 00:00:28) [common]
  291 07:25:13.445799  start: 2 uboot-action (timeout 00:05:00) [common]
  292 07:25:13.445909  start: 2.1 uboot-from-media (timeout 00:05:00) [common]
  293 07:25:13.445999  end: 2.1 uboot-from-media (duration 00:00:00) [common]
  294 07:25:13.446091  start: 2.2 bootloader-overlay (timeout 00:05:00) [common]
  295 07:25:13.446247  substitutions:
  296 07:25:13.446323  - {BOOTX}: bootz 0x10000000 0x14000000 0x13f00000
  297 07:25:13.446394  - {DTB_ADDR}: 0x13f00000
  298 07:25:13.446458  - {DTB}: 10462856/tftp-deploy-9w45tp6z/dtb/imx6q-sabrelite.dtb
  299 07:25:13.446530  - {INITRD}: 10462856/tftp-deploy-9w45tp6z/ramdisk/ramdisk.cpio.gz.uboot
  300 07:25:13.446593  - {KERNEL_ADDR}: 0x10000000
  301 07:25:13.446653  - {KERNEL}: 10462856/tftp-deploy-9w45tp6z/kernel/zImage
  302 07:25:13.446713  - {LAVA_MAC}: None
  303 07:25:13.446772  - {NFSROOTFS}: /var/lib/lava/dispatcher/tmp/10462856/extract-nfsrootfs-71h3mz8u
  304 07:25:13.446831  - {NFS_SERVER_IP}: 192.168.201.1
  305 07:25:13.446889  - {PRESEED_CONFIG}: None
  306 07:25:13.446946  - {PRESEED_LOCAL}: None
  307 07:25:13.447004  - {RAMDISK_ADDR}: 0x14000000
  308 07:25:13.447072  - {RAMDISK}: 10462856/tftp-deploy-9w45tp6z/ramdisk/ramdisk.cpio.gz.uboot
  309 07:25:13.447126  - {ROOT_PART}: None
  310 07:25:13.447180  - {ROOT}: None
  311 07:25:13.447234  - {SERVER_IP}: 192.168.201.1
  312 07:25:13.447288  - {TEE_ADDR}: 0x83000000
  313 07:25:13.447341  - {TEE}: None
  314 07:25:13.447394  Parsed boot commands:
  315 07:25:13.447449  - setenv autoload no
  316 07:25:13.447503  - setenv initrd_high 0xffffffff
  317 07:25:13.447557  - setenv fdt_high 0xffffffff
  318 07:25:13.447610  - dhcp
  319 07:25:13.447666  - setenv serverip 192.168.201.1
  320 07:25:13.447719  - tftp 0x10000000 10462856/tftp-deploy-9w45tp6z/kernel/zImage
  321 07:25:13.447773  - tftp 0x14000000 10462856/tftp-deploy-9w45tp6z/ramdisk/ramdisk.cpio.gz.uboot
  322 07:25:13.447826  - setenv initrd_size ${filesize}
  323 07:25:13.447880  - tftp 0x13f00000 10462856/tftp-deploy-9w45tp6z/dtb/imx6q-sabrelite.dtb
  324 07:25:13.447933  - setenv bootargs 'console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/10462856/extract-nfsrootfs-71h3mz8u,tcp,hard  ip=dhcp'
  325 07:25:13.447989  - bootz 0x10000000 0x14000000 0x13f00000
  326 07:25:13.448059  end: 2.2 bootloader-overlay (duration 00:00:00) [common]
  328 07:25:13.448283  start: 2.3 connect-device (timeout 00:05:00) [common]
  329 07:25:13.448358  [common] connect-device Connecting to device using '/usr/bin/console -f -k -M localhost imx6q-sabrelite-lava-cbg-2'
  330 07:25:13.451635  Setting prompt string to ['lava-test: # ']
  331 07:25:13.451950  end: 2.3 connect-device (duration 00:00:00) [common]
  332 07:25:13.452061  start: 2.4 uboot-commands (timeout 00:05:00) [common]
  333 07:25:13.452157  start: 2.4.1 reset-device (timeout 00:05:00) [common]
  334 07:25:13.452247  start: 2.4.1.1 pdu-reboot (timeout 00:05:00) [common]
  335 07:25:13.452418  Calling: 'pduclient' '--daemon=localhost' '--hostname=pms-0' '--port=3' '--command=reboot'
  336 07:25:18.578818  >> Command sent successfully.

  337 07:25:18.585073  Returned 0 in 5 seconds
  338 07:25:18.685789  end: 2.4.1.1 pdu-reboot (duration 00:00:05) [common]
  340 07:25:18.687119  end: 2.4.1 reset-device (duration 00:00:05) [common]
  341 07:25:18.687619  start: 2.4.2 bootloader-interrupt (timeout 00:04:55) [common]
  342 07:25:18.688068  Setting prompt string to ['Hit any key to stop autoboot']
  343 07:25:18.688456  bootloader-interrupt: Wait for prompt ['Hit any key to stop autoboot'] (timeout 00:05:00)
  344 07:25:18.689610  [Enter `^Ec?' for help]

  345 07:25:21.243674  

  346 07:25:21.244008  

  347 07:25:21.244206  U-Boot 2021.10+dfsg-1+apertis10bv2023dev2b2 (Apr 18 2022 - 16:34:49 +0000)

  348 07:25:21.244397  

  349 07:25:21.244568  CPU:   Freescale i.MX6Q rev1.0 at 792 MHz

  350 07:25:21.244735  Reset cause: POR

  351 07:25:21.244897  Model: Freescale i.MX6 Quad SABRE Lite Board

  352 07:25:21.245055  Board: SABRE Lite

  353 07:25:21.245211  I2C:   ready

  354 07:25:21.245368  DRAM:  1 GiB

  355 07:25:21.291566  MMC:   FSL_SDHC: 0, FSL_SDHC: 1

  356 07:25:21.336864  Loading Environment from SPIFlash... SF: Detected sst25vf016b with page size 256 Bytes, erase size 4 KiB, total 2 MiB

  357 07:25:21.337431  *** Warning - bad CRC, using default environment

  358 07:25:21.337814  

  359 07:25:21.338139  In:    serial

  360 07:25:21.338452  Out:   serial

  361 07:25:21.338786  Err:   serial

  362 07:25:21.339088  Net:   using phy at 6

  363 07:25:21.357733  FEC [PRIME], usb_ether

  364 07:25:21.358274  Error: usb_ether address not set.

  365 07:25:21.358646  

  366 07:25:21.358972  starting USB...

  367 07:25:21.359285  Bus usb@2184000: usb dr_mode not found

  368 07:25:21.405834  Bus usb@2184200: USB EHCI 1.00

  369 07:25:24.456179  scanning bus usb@2184000 for devices... 1 USB Device(s) found

  370 07:25:29.598854  scanning bus usb@2184200 for devices... 2 USB Device(s) found

  371 07:25:29.599455         scanning usb for storage devices... 0 Storage Device(s) found

  372 07:25:29.599844         scanning usb for ethernet devices... 0 Ethernet Device(s) found

  374 07:25:29.794024  Hit any key to stop autoboot:  3 

  375 07:25:29.794910  end: 2.4.2 bootloader-interrupt (duration 00:00:11) [common]
  376 07:25:29.795479  start: 2.4.3 bootloader-commands (timeout 00:04:44) [common]
  377 07:25:29.795929  Setting prompt string to ['=>']
  378 07:25:29.796378  bootloader-commands: Wait for prompt ['=>'] (timeout 00:04:44)
  379 07:25:29.806429   0 

  380 07:25:29.807556  Setting prompt string to ['=>', 'Resetting CPU', 'Must RESET board to recover', 'TIMEOUT', 'Retry count exceeded', 'Retry time exceeded; starting again', 'ERROR: The remote end did not respond in time.', 'File not found', 'Bad Linux ARM64 Image magic!', 'Wrong Ramdisk Image Format', 'Ramdisk image is corrupt or invalid', 'ERROR: Failed to allocate', 'TFTP error: trying to overwrite reserved memory', 'Bad Linux RISCV Image magic!', 'Wrong Image Format for boot', 'ERROR: Did not find a cmdline Flattened Device Tree', 'ERROR: RD image overlaps OS image']
  381 07:25:29.808050  Sending with 10 millisecond of delay
  383 07:25:30.949947  => setenv autoload no

  384 07:25:30.960911  bootloader-commands: Wait for prompt ['=>', 'Resetting CPU', 'Must RESET board to recover', 'TIMEOUT', 'Retry count exceeded', 'Retry time exceeded; starting again', 'ERROR: The remote end did not respond in time.', 'File not found', 'Bad Linux ARM64 Image magic!', 'Wrong Ramdisk Image Format', 'Ramdisk image is corrupt or invalid', 'ERROR: Failed to allocate', 'TFTP error: trying to overwrite reserved memory', 'Bad Linux RISCV Image magic!', 'Wrong Image Format for boot', 'ERROR: Did not find a cmdline Flattened Device Tree', 'ERROR: RD image overlaps OS image'] (timeout 00:04:42)
  385 07:25:30.964288  setenv autoload no

  386 07:25:30.964565  Sending with 10 millisecond of delay
  388 07:25:32.760735  => setenv initrd_high 0xffffffff

  389 07:25:32.770983  bootloader-commands: Wait for prompt ['=>', 'Resetting CPU', 'Must RESET board to recover', 'TIMEOUT', 'Retry count exceeded', 'Retry time exceeded; starting again', 'ERROR: The remote end did not respond in time.', 'File not found', 'Bad Linux ARM64 Image magic!', 'Wrong Ramdisk Image Format', 'Ramdisk image is corrupt or invalid', 'ERROR: Failed to allocate', 'TFTP error: trying to overwrite reserved memory', 'Bad Linux RISCV Image magic!', 'Wrong Image Format for boot', 'ERROR: Did not find a cmdline Flattened Device Tree', 'ERROR: RD image overlaps OS image'] (timeout 00:04:41)
  390 07:25:32.771161  setenv initrd_high 0xffffffff

  391 07:25:32.771415  Sending with 10 millisecond of delay
  393 07:25:34.390426  => setenv fdt_high 0xffffffff

  394 07:25:34.401500  bootloader-commands: Wait for prompt ['=>', 'Resetting CPU', 'Must RESET board to recover', 'TIMEOUT', 'Retry count exceeded', 'Retry time exceeded; starting again', 'ERROR: The remote end did not respond in time.', 'File not found', 'Bad Linux ARM64 Image magic!', 'Wrong Ramdisk Image Format', 'Ramdisk image is corrupt or invalid', 'ERROR: Failed to allocate', 'TFTP error: trying to overwrite reserved memory', 'Bad Linux RISCV Image magic!', 'Wrong Image Format for boot', 'ERROR: Did not find a cmdline Flattened Device Tree', 'ERROR: RD image overlaps OS image'] (timeout 00:04:39)
  395 07:25:34.402554  setenv fdt_high 0xffffffff

  396 07:25:34.403303  Sending with 10 millisecond of delay
  398 07:25:34.696368  => dhcp

  399 07:25:34.707183  bootloader-commands: Wait for prompt ['=>', 'Resetting CPU', 'Must RESET board to recover', 'TIMEOUT', 'Retry count exceeded', 'Retry time exceeded; starting again', 'ERROR: The remote end did not respond in time.', 'File not found', 'Bad Linux ARM64 Image magic!', 'Wrong Ramdisk Image Format', 'Ramdisk image is corrupt or invalid', 'ERROR: Failed to allocate', 'TFTP error: trying to overwrite reserved memory', 'Bad Linux RISCV Image magic!', 'Wrong Image Format for boot', 'ERROR: Did not find a cmdline Flattened Device Tree', 'ERROR: RD image overlaps OS image'] (timeout 00:04:39)
  400 07:25:34.712943  dhcp

  401 07:25:34.808805  BOOTP broadcast 1

  402 07:25:34.824947  DHCP client bound to address 192.168.201.13 (8 ms)

  403 07:25:34.825777  Sending with 10 millisecond of delay
  405 07:25:36.635754  => setenv serverip 192.168.201.1

  406 07:25:36.646585  bootloader-commands: Wait for prompt ['=>', 'Resetting CPU', 'Must RESET board to recover', 'TIMEOUT', 'Retry count exceeded', 'Retry time exceeded; starting again', 'ERROR: The remote end did not respond in time.', 'File not found', 'Bad Linux ARM64 Image magic!', 'Wrong Ramdisk Image Format', 'Ramdisk image is corrupt or invalid', 'ERROR: Failed to allocate', 'TFTP error: trying to overwrite reserved memory', 'Bad Linux RISCV Image magic!', 'Wrong Image Format for boot', 'ERROR: Did not find a cmdline Flattened Device Tree', 'ERROR: RD image overlaps OS image'] (timeout 00:04:37)
  407 07:25:36.647508  setenv serverip 192.168.201.1

  408 07:25:36.648201  Sending with 10 millisecond of delay
  410 07:25:40.278101  => tftp 0x10000000 10462856/tftp-deploy-9w45tp6z/kernel/zImage

  411 07:25:40.289029  bootloader-commands: Wait for prompt ['=>', 'Resetting CPU', 'Must RESET board to recover', 'TIMEOUT', 'Retry count exceeded', 'Retry time exceeded; starting again', 'ERROR: The remote end did not respond in time.', 'File not found', 'Bad Linux ARM64 Image magic!', 'Wrong Ramdisk Image Format', 'Ramdisk image is corrupt or invalid', 'ERROR: Failed to allocate', 'TFTP error: trying to overwrite reserved memory', 'Bad Linux RISCV Image magic!', 'Wrong Image Format for boot', 'ERROR: Did not find a cmdline Flattened Device Tree', 'ERROR: RD image overlaps OS image'] (timeout 00:04:33)
  412 07:25:40.290407  tftp 0x10000000 10462856/tftp-deploy-9w45tp6z/kernel/zImage

  413 07:25:40.407436  Using FEC device

  414 07:25:40.407985  TFTP from server 192.168.201.1; our IP address is 192.168.201.13

  415 07:25:40.408448  Filename '10462856/tftp-deploy-9w45tp6z/kernel/zImage'.

  416 07:25:40.408876  Load address: 0x10000000

  417 07:25:40.727003  Loading: *#################################################################

  418 07:25:41.030562  	 #################################################################

  419 07:25:41.334096  	 #################################################################

  420 07:25:41.637746  	 #################################################################

  421 07:25:41.957427  	 #################################################################

  422 07:25:42.261081  	 #################################################################

  423 07:25:42.580616  	 #################################################################

  424 07:25:42.900340  	 #################################################################

  425 07:25:43.220103  	 #################################################################

  426 07:25:43.491223  	 #################################################################

  427 07:25:43.763386  	 #################################################################

  428 07:25:44.099010  	 #################################################################

  429 07:25:44.418529  	 #################################################################

  430 07:25:44.439571  	 #

  431 07:25:44.440121  	 2.9 MiB/s

  432 07:25:44.440473  done

  433 07:25:44.440795  Bytes transferred = 12415488 (bd7200 hex)

  434 07:25:44.441430  Sending with 10 millisecond of delay
  436 07:25:49.037216  => tftp 0x14000000 10462856/tftp-deploy-9w45tp6z/ramdisk/ramdisk.cpio.gz.uboot

  437 07:25:49.048003  bootloader-commands: Wait for prompt ['=>', 'Resetting CPU', 'Must RESET board to recover', 'TIMEOUT', 'Retry count exceeded', 'Retry time exceeded; starting again', 'ERROR: The remote end did not respond in time.', 'File not found', 'Bad Linux ARM64 Image magic!', 'Wrong Ramdisk Image Format', 'Ramdisk image is corrupt or invalid', 'ERROR: Failed to allocate', 'TFTP error: trying to overwrite reserved memory', 'Bad Linux RISCV Image magic!', 'Wrong Image Format for boot', 'ERROR: Did not find a cmdline Flattened Device Tree', 'ERROR: RD image overlaps OS image'] (timeout 00:04:24)
  438 07:25:49.048824  tftp 0x14000000 10462856/tftp-deploy-9w45tp6z/ramdisk/ramdisk.cpio.gz.uboot

  439 07:25:49.172069  Using FEC device

  440 07:25:49.172602  TFTP from server 192.168.201.1; our IP address is 192.168.201.13

  441 07:25:49.172961  Filename '10462856/tftp-deploy-9w45tp6z/ramdisk/ramdisk.cpio.gz.uboot'.

  442 07:25:49.173100  Load address: 0x14000000

  443 07:25:49.363471  Loading: *#################################################################

  444 07:25:49.555215  	 #################################################################

  445 07:25:49.746977  	 #################################################################

  446 07:25:49.938779  	 #################################################################

  447 07:25:50.130459  	 #################################################################

  448 07:25:50.322201  	 #################################################################

  449 07:25:50.514031  	 #################################################################

  450 07:25:50.705775  	 #################################################################

  451 07:25:50.897543  	 #################################################################

  452 07:25:51.089348  	 #################################################################

  453 07:25:51.281160  	 #################################################################

  454 07:25:51.488896  	 #################################################################

  455 07:25:51.680705  	 #################################################################

  456 07:25:51.872501  	 #################################################################

  457 07:25:52.064254  	 #################################################################

  458 07:25:52.256060  	 #################################################################

  459 07:25:52.288472  	 #############

  460 07:25:52.288903  	 4.7 MiB/s

  461 07:25:52.289244  done

  462 07:25:52.304578  Bytes transferred = 15448093 (ebb81d hex)

  463 07:25:52.305436  Sending with 10 millisecond of delay
  465 07:25:54.174238  => setenv initrd_size ${filesize}

  466 07:25:54.185008  bootloader-commands: Wait for prompt ['=>', 'Resetting CPU', 'Must RESET board to recover', 'TIMEOUT', 'Retry count exceeded', 'Retry time exceeded; starting again', 'ERROR: The remote end did not respond in time.', 'File not found', 'Bad Linux ARM64 Image magic!', 'Wrong Ramdisk Image Format', 'Ramdisk image is corrupt or invalid', 'ERROR: Failed to allocate', 'TFTP error: trying to overwrite reserved memory', 'Bad Linux RISCV Image magic!', 'Wrong Image Format for boot', 'ERROR: Did not find a cmdline Flattened Device Tree', 'ERROR: RD image overlaps OS image'] (timeout 00:04:19)
  467 07:25:54.190668  setenv initrd_size ${filesize}

  468 07:25:54.191464  Sending with 10 millisecond of delay
  470 07:25:58.427588  => tftp 0x13f00000 10462856/tftp-deploy-9w45tp6z/dtb/imx6q-sabrelite.dtb

  471 07:25:58.438659  bootloader-commands: Wait for prompt ['=>', 'Resetting CPU', 'Must RESET board to recover', 'TIMEOUT', 'Retry count exceeded', 'Retry time exceeded; starting again', 'ERROR: The remote end did not respond in time.', 'File not found', 'Bad Linux ARM64 Image magic!', 'Wrong Ramdisk Image Format', 'Ramdisk image is corrupt or invalid', 'ERROR: Failed to allocate', 'TFTP error: trying to overwrite reserved memory', 'Bad Linux RISCV Image magic!', 'Wrong Image Format for boot', 'ERROR: Did not find a cmdline Flattened Device Tree', 'ERROR: RD image overlaps OS image'] (timeout 00:04:15)
  472 07:25:58.441992  tftp 0x13f00000 10462856/tftp-deploy-9w45tp6z/dtb/imx6q-sabrelite.dtb

  473 07:25:58.562101  Using FEC device

  474 07:25:58.562265  TFTP from server 192.168.201.1; our IP address is 192.168.201.13

  475 07:25:58.562351  Filename '10462856/tftp-deploy-9w45tp6z/dtb/imx6q-sabrelite.dtb'.

  476 07:25:58.562419  Load address: 0x13f00000

  477 07:25:58.585770  Loading: *###

  478 07:25:58.586288  	 2.5 MiB/s

  479 07:25:58.586665  done

  480 07:25:58.586982  Bytes transferred = 42449 (a5d1 hex)

  481 07:25:58.587544  Sending with 10 millisecond of delay
  483 07:26:08.586885  => setenv bootargs 'console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/10462856/extract-nfsrootfs-71h3mz8u,tcp,hard  ip=dhcp'

  484 07:26:08.597793  bootloader-commands: Wait for prompt ['=>', 'Resetting CPU', 'Must RESET board to recover', 'TIMEOUT', 'Retry count exceeded', 'Retry time exceeded; starting again', 'ERROR: The remote end did not respond in time.', 'File not found', 'Bad Linux ARM64 Image magic!', 'Wrong Ramdisk Image Format', 'Ramdisk image is corrupt or invalid', 'ERROR: Failed to allocate', 'TFTP error: trying to overwrite reserved memory', 'Bad Linux RISCV Image magic!', 'Wrong Image Format for boot', 'ERROR: Did not find a cmdline Flattened Device Tree', 'ERROR: RD image overlaps OS image'] (timeout 00:04:05)
  485 07:26:08.598689  setenv bootargs 'console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/10462856/extract-nfsrootfs-71h3mz8u,tcp,hard  ip=dhcp'

  486 07:26:08.599364  Sending with 10 millisecond of delay
  488 07:26:10.954874  => bootz 0x10000000 0x14000000 0x13f00000

  489 07:26:10.965876  Setting prompt string to ['Starting kernel', 'Resetting CPU', 'Must RESET board to recover', 'TIMEOUT', 'Retry count exceeded', 'Retry time exceeded; starting again', 'ERROR: The remote end did not respond in time.', 'File not found', 'Bad Linux ARM64 Image magic!', 'Wrong Ramdisk Image Format', 'Ramdisk image is corrupt or invalid', 'ERROR: Failed to allocate', 'TFTP error: trying to overwrite reserved memory', 'Bad Linux RISCV Image magic!', 'Wrong Image Format for boot', 'ERROR: Did not find a cmdline Flattened Device Tree', 'ERROR: RD image overlaps OS image']
  490 07:26:10.966473  bootloader-commands: Wait for prompt ['Starting kernel', 'Resetting CPU', 'Must RESET board to recover', 'TIMEOUT', 'Retry count exceeded', 'Retry time exceeded; starting again', 'ERROR: The remote end did not respond in time.', 'File not found', 'Bad Linux ARM64 Image magic!', 'Wrong Ramdisk Image Format', 'Ramdisk image is corrupt or invalid', 'ERROR: Failed to allocate', 'TFTP error: trying to overwrite reserved memory', 'Bad Linux RISCV Image magic!', 'Wrong Image Format for boot', 'ERROR: Did not find a cmdline Flattened Device Tree', 'ERROR: RD image overlaps OS image'] (timeout 00:04:02)
  491 07:26:10.999068  bootz 0x10000000 0x14000000 0x13f00000

  492 07:26:10.999617  Kernel image @ 0x10000000 [ 0x000000 - 0xbd7200 ]

  493 07:26:10.999981  ## Loading init Ramdisk from Legacy Image at 14000000 ...

  494 07:26:11.000318     Image Name:   

  495 07:26:11.000637     Image Type:   ARM Linux RAMDisk Image (uncompressed)

  496 07:26:11.000952     Data Size:    15448029 Bytes = 14.7 MiB

  497 07:26:11.001259     Load Address: 00000000

  498 07:26:11.001562     Entry Point:  00000000

  499 07:26:11.188894     Verifying Checksum ... OK

  500 07:26:11.189406  ## Flattened Device Tree blob at 13f00000

  501 07:26:11.189737     Booting using the fdt blob at 0x13f00000

  502 07:26:11.190044     Using Device Tree in place at 13f00000, end 13f0d5d0

  503 07:26:11.190339  

  504 07:26:11.190698  Starting kernel ...

  505 07:26:11.191008  

  506 07:26:11.191733  end: 2.4.3 bootloader-commands (duration 00:00:41) [common]
  507 07:26:11.192195  start: 2.4.4 auto-login-action (timeout 00:04:02) [common]
  508 07:26:11.192569  Setting prompt string to ['Linux version [0-9]']
  509 07:26:11.192929  Setting prompt string to ['Linux version [0-9]', 'Resetting CPU', 'Must RESET board to recover', 'TIMEOUT', 'Retry count exceeded', 'Retry time exceeded; starting again', 'ERROR: The remote end did not respond in time.', 'File not found', 'Bad Linux ARM64 Image magic!', 'Wrong Ramdisk Image Format', 'Ramdisk image is corrupt or invalid', 'ERROR: Failed to allocate', 'TFTP error: trying to overwrite reserved memory', 'Bad Linux RISCV Image magic!', 'Wrong Image Format for boot', 'ERROR: Did not find a cmdline Flattened Device Tree', 'ERROR: RD image overlaps OS image']
  510 07:26:11.193300  auto-login-action: Wait for prompt ['Linux version [0-9]', 'Resetting CPU', 'Must RESET board to recover', 'TIMEOUT', 'Retry count exceeded', 'Retry time exceeded; starting again', 'ERROR: The remote end did not respond in time.', 'File not found', 'Bad Linux ARM64 Image magic!', 'Wrong Ramdisk Image Format', 'Ramdisk image is corrupt or invalid', 'ERROR: Failed to allocate', 'TFTP error: trying to overwrite reserved memory', 'Bad Linux RISCV Image magic!', 'Wrong Image Format for boot', 'ERROR: Did not find a cmdline Flattened Device Tree', 'ERROR: RD image overlaps OS image'] (timeout 00:05:00)
  511 07:26:19.094332  [    0.000000] Booting Linux on physical CPU 0x0

  512 07:26:19.094496  [    0.000000] Linux version 5.10.180-cip33 (KernelCI@build-j1563634-arm-gcc-10-multi-v7-defconfig-kselftest-jrxb7) (arm-linux-gnueabihf-gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Fri May 26 07:09:52 UTC 2023

  513 07:26:19.094615  [    0.000000] CPU: ARMv7 Processor [412fc09a] revision 10 (ARMv7), cr=10c5387d

  514 07:26:19.094682  [    0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache

  515 07:26:19.094980  start: 2.4.4.1 login-action (timeout 00:03:54) [common]
  516 07:26:19.095065  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.
  517 07:26:19.095153  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']
  518 07:26:19.095229  Using line separator: #'\n'#
  519 07:26:19.095292  No login prompt set.
  520 07:26:19.095357  Parsing kernel messages
  521 07:26:19.095415  ['-\\[ 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']
  522 07:26:19.095517  [login-action] Waiting for messages, (timeout 00:03:54)
  523 07:26:19.137913  [    0.000000] OF: fdt: Machine model: Freescale i.MX6 Quad SABRE Lite Board

  524 07:26:19.138090  [    0.000000] Memory policy: Data cache writealloc

  525 07:26:19.138174  [    0.000000] efi: UEFI not found.

  526 07:26:19.138238  [    0.000000] OF: fdt: Reserved memory: unsupported node format, ignoring

  527 07:26:19.138300  [    0.000000] cma: Reserved 64 MiB at 0x4c000000

  528 07:26:19.138359  [    0.000000] Zone ranges:

  529 07:26:19.138424  [    0.000000]   DMA      [mem 0x0000000010000000-0x000000003fffffff]

  530 07:26:19.138482  [    0.000000]   Normal   empty

  531 07:26:19.138565  [    0.000000]   HighMem  [mem 0x0000000040000000-0x000000004fffffff]

  532 07:26:19.181274  [    0.000000] Movable zone start for each node

  533 07:26:19.181437  [    0.000000] Early memory node ranges

  534 07:26:19.181505  [    0.000000]   node   0: [mem 0x0000000010000000-0x000000004fffffff]

  535 07:26:19.181570  [    0.000000] Initmem setup node 0 [mem 0x0000000010000000-0x000000004fffffff]

  536 07:26:19.181633  [    0.000000] percpu: Embedded 21 pages/cpu s55468 r8192 d22356 u86016

  537 07:26:19.181695  [    0.000000] Built 1 zonelists, mobility grouping on.  Total pages: 260608

  538 07:26:19.224676  [    0.000000] Kernel command line: console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/10462856/extract-nfsrootfs-71h3mz8u,tcp,hard  ip=dhcp

  539 07:26:19.224862  [    0.000000] Dentry cache hash table entries: 131072 (order: 7, 524288 bytes, linear)

  540 07:26:19.224956  [    0.000000] Inode-cache hash table entries: 65536 (order: 6, 262144 bytes, linear)

  541 07:26:19.225042  [    0.000000] mem auto-init: stack:off, heap alloc:off, heap free:off

  542 07:26:19.225129  [    0.000000] Memory: 921428K/1048576K available (17408K kernel code, 2656K rwdata, 8100K rodata, 2048K init, 6694K bss, 61612K reserved, 65536K cma-reserved, 196608K highmem)

  543 07:26:19.268743  [    0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1

  544 07:26:19.269292  [    0.000000] ftrace: allocating 55470 entries in 163 pages

  545 07:26:19.269652  [    0.000000] ftrace: allocated 163 pages with 4 groups

  546 07:26:19.269990  [    0.000000] Running RCU self tests

  547 07:26:19.270312  [    0.000000] rcu: Hierarchical RCU implementation.

  548 07:26:19.270659  [    0.000000] rcu: 	RCU event tracing is enabled.

  549 07:26:19.270970  [    0.000000] rcu: 	RCU lockdep checking is enabled.

  550 07:26:19.271274  [    0.000000] rcu: 	RCU restricting CPUs from NR_CPUS=16 to nr_cpu_ids=4.

  551 07:26:19.311901  [    0.000000] 	Rude variant of Tasks RCU enabled.

  552 07:26:19.312447  [    0.000000] 	Tracing variant of Tasks RCU enabled.

  553 07:26:19.312809  [    0.000000] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies.

  554 07:26:19.313144  [    0.000000] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4

  555 07:26:19.313464  [    0.000000] NR_IRQS: 16, nr_irqs: 16, preallocated irqs: 16

  556 07:26:19.313781  [    0.000000] L2C-310 errata 752271 769419 enabled

  557 07:26:19.314088  [    0.000000] L2C-310 enabling early BRESP for Cortex-A9

  558 07:26:19.314388  [    0.000000] L2C-310 full line of zeros enabled for Cortex-A9

  559 07:26:19.355326  [    0.000000] L2C-310 ID prefetch enabled, offset 16 lines

  560 07:26:19.355878  [    0.000000] L2C-310 dynamic clock gating enabled, standby mode enabled

  561 07:26:19.356244  [    0.000000] L2C-310 cache controller enabled, 16 ways, 1024 kB

  562 07:26:19.356579  [    0.000000] L2C-310: CACHE_ID 0x410000c7, AUX_CTRL 0x76470001

  563 07:26:19.356901  [    0.000000] Switching to timer-based delay loop, resolution 15ns

  564 07:26:19.357214  [    0.000008] sched_clock: 32 bits at 66MHz, resolution 15ns, wraps every 32537631224ns

  565 07:26:19.398913  [    0.000041] clocksource: mxc_timer1: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 28958491609 ns

  566 07:26:19.399464  [    0.004581] Console: colour dummy device 80x30

  567 07:26:19.399825  [    0.004650] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar

  568 07:26:19.400163  [    0.004680] ... MAX_LOCKDEP_SUBCLASSES:  8

  569 07:26:19.400483  [    0.004709] ... MAX_LOCK_DEPTH:          48

  570 07:26:19.400794  [    0.004738] ... MAX_LOCKDEP_KEYS:        8192

  571 07:26:19.401101  [    0.004766] ... CLASSHASH_SIZE:          4096

  572 07:26:19.401406  [    0.004793] ... MAX_LOCKDEP_ENTRIES:     32768

  573 07:26:19.401706  [    0.004820] ... MAX_LOCKDEP_CHAINS:      65536

  574 07:26:19.441844  [    0.004847] ... CHAINHASH_SIZE:          32768

  575 07:26:19.442008  [    0.004874]  memory used by lock dependency info: 4061 kB

  576 07:26:19.442076  [    0.004901]  memory used for stack traces: 2112 kB

  577 07:26:19.442141  [    0.004928]  per task-struct memory footprint: 1536 bytes

  578 07:26:19.442203  [    0.005028] Calibrating delay loop (skipped), value calculated using timer frequency.. 132.00 BogoMIPS (lpj=660000)

  579 07:26:19.442268  [    0.005081] pid_max: default: 32768 minimum: 301

  580 07:26:19.442328  [    0.005440] LSM: Security Framework initializing

  581 07:26:19.442386  [    0.005548] LSM support for eBPF active

  582 07:26:19.485544  [    0.005685] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes, linear)

  583 07:26:19.485784  [    0.005735] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes, linear)

  584 07:26:19.485922  [    0.008279] CPU: Testing write buffer coherency: ok

  585 07:26:19.486051  [    0.008411] CPU0: Spectre v2: using BPIALL workaround

  586 07:26:19.486170  [    0.009440] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000

  587 07:26:19.486290  [    0.012981] Setting up static identity map for 0x10300000 - 0x103000ac

  588 07:26:19.486404  [    0.015390] rcu: Hierarchical SRCU implementation.

  589 07:26:19.486518  [    0.024275] EFI services will not be available.

  590 07:26:19.529179  [    0.025441] smp: Bringing up secondary CPUs ...

  591 07:26:19.529725  [    0.028340] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001

  592 07:26:19.530102  [    0.028355] CPU1: Spectre v2: using BPIALL workaround

  593 07:26:19.530441  [    0.031880] CPU2: thread -1, cpu 2, socket 0, mpidr 80000002

  594 07:26:19.530804  [    0.031895] CPU2: Spectre v2: using BPIALL workaround

  595 07:26:19.531125  [    0.035048] CPU3: thread -1, cpu 3, socket 0, mpidr 80000003

  596 07:26:19.531440  [    0.035062] CPU3: Spectre v2: using BPIALL workaround

  597 07:26:19.531744  [    0.035741] smp: Brought up 1 node, 4 CPUs

  598 07:26:19.572561  [    0.035777] SMP: Total of 4 processors activated (528.00 BogoMIPS).

  599 07:26:19.572746  [    0.035807] CPU: All CPU(s) started in SVC mode.

  600 07:26:19.572843  [    0.038194] devtmpfs: initialized

  601 07:26:19.572929  [    0.086273] VFP support v0.3: implementor 41 architecture 3 part 30 variant 9 rev 4

  602 07:26:19.573016  [    0.088815] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns

  603 07:26:19.573099  [    0.089009] futex hash table entries: 1024 (order: 4, 65536 bytes, linear)

  604 07:26:19.573182  [    0.093699] pinctrl core: initialized pinctrl subsystem

  605 07:26:19.615883  [    0.100096] DMI not present or invalid.

  606 07:26:19.616243  [    0.102271] NET: Registered protocol family 16

  607 07:26:19.616481  [    0.112071] DMA: preallocated 256 KiB pool for atomic coherent allocations

  608 07:26:19.616704  [    0.120608] thermal_sys: Registered thermal governor 'step_wise'

  609 07:26:19.616915  [    0.121119] cpuidle: using governor menu

  610 07:26:19.617122  [    0.121605] CPU identified as i.MX6Q, silicon rev 1.0

  611 07:26:19.617326  [    0.763395] vdd1p1: supplied by regulator-dummy

  612 07:26:19.617528  [    0.790734] vdd3p0: supplied by regulator-dummy

  613 07:26:19.617728  [    0.817637] vdd2p5: supplied by regulator-dummy

  614 07:26:19.659537  [    0.844605] vddarm: supplied by regulator-dummy

  615 07:26:19.660065  [    0.872387] vddpu: supplied by regulator-dummy

  616 07:26:19.660425  [    0.898549] vddsoc: supplied by regulator-dummy

  617 07:26:19.660758  [    2.047029] No ATAGs?

  618 07:26:19.661080  [    2.047574] hw-breakpoint: found 5 (+1 reserved) breakpoint and 1 watchpoint registers.

  619 07:26:19.661401  [    2.047651] hw-breakpoint: maximum watchpoint size is 4 bytes.

  620 07:26:19.661712  [    2.064910] imx6q-pinctrl 20e0000.pinctrl: initialized IMX pinctrl driver

  621 07:26:19.662017  [    2.091089] Serial: AMBA PL011 UART driver

  622 07:26:19.662318  [    2.147287] Kprobes globally optimized

  623 07:26:19.703120  [    2.250653] iommu: Default domain type: Translated 

  624 07:26:19.703677  [    2.252664] vgaarb: loaded

  625 07:26:19.704048  [    2.256986] SCSI subsystem initialized

  626 07:26:19.704385  [    2.258895] usbcore: registered new interface driver usbfs

  627 07:26:19.704710  [    2.259183] usbcore: registered new interface driver hub

  628 07:26:19.705028  [    2.259392] usbcore: registered new device driver usb

  629 07:26:19.705335  [    2.266224] i2c i2c-0: IMX I2C adapter registered

  630 07:26:19.705638  [    2.272279] i2c i2c-1: IMX I2C adapter registered

  631 07:26:19.705938  [    2.276215] i2c i2c-2: IMX I2C adapter registered

  632 07:26:19.746478  [    2.280409] pps_core: LinuxPPS API ver. 1 registered

  633 07:26:19.747016  [    2.280447] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@linux.it>

  634 07:26:19.747377  [    2.280537] PTP clock support registered

  635 07:26:19.747712  [    2.297176] clocksource: Switched to clocksource mxc_timer1

  636 07:26:19.748034  [    3.866308] NET: Registered protocol family 2

  637 07:26:19.748350  [    3.867126] IP idents hash table entries: 16384 (order: 5, 131072 bytes, linear)

  638 07:26:19.748665  [    3.870146] tcp_listen_portaddr_hash hash table entries: 512 (order: 2, 22528 bytes, linear)

  639 07:26:19.789998  [    3.870317] TCP established hash table entries: 8192 (order: 3, 32768 bytes, linear)

  640 07:26:19.790570  [    3.870525] TCP bind hash table entries: 8192 (order: 6, 327680 bytes, linear)

  641 07:26:19.790936  [    3.871964] TCP: Hash tables configured (established 8192 bind 8192)

  642 07:26:19.791274  [    3.873003] MPTCP token hash table entries: 1024 (order: 3, 49152 bytes, linear)

  643 07:26:19.791600  [    3.873334] UDP hash table entries: 512 (order: 3, 49152 bytes, linear)

  644 07:26:19.791918  [    3.873584] UDP-Lite hash table entries: 512 (order: 3, 49152 bytes, linear)

  645 07:26:19.833655  [    3.874278] NET: Registered protocol family 1

  646 07:26:19.834198  [    3.876890] RPC: Registered named UNIX socket transport module.

  647 07:26:19.834586  [    3.876972] RPC: Registered udp transport module.

  648 07:26:19.834923  [    3.877006] RPC: Registered tcp transport module.

  649 07:26:19.835245  [    3.877040] RPC: Registered tcp NFSv4.1 backchannel transport module.

  650 07:26:19.835563  [    3.877183] NET: Registered protocol family 44

  651 07:26:19.835870  [    3.877247] PCI: CLS 0 bytes, default 64

  652 07:26:19.836172  [    3.879490] Trying to unpack rootfs image as initramfs...

  653 07:26:19.836474  [    5.674102] Freeing initrd memory: 15088K

  654 07:26:19.876596  [    5.675020] hw perfevents: no interrupt-affinity property for /pmu, guessing.

  655 07:26:19.876773  [    5.676335] hw perfevents: enabled with armv7_cortex_a9 PMU driver, 7 counters available

  656 07:26:19.876868  [    5.684492] Initialise system trusted keyrings

  657 07:26:19.876950  [    5.685614] workingset: timestamp_bits=30 max_order=18 bucket_order=0

  658 07:26:19.877031  [    5.728828] squashfs: version 4.0 (2009/01/31) Phillip Lougher

  659 07:26:19.877110  [    5.732261] NFS: Registering the id_resolver key type

  660 07:26:19.877186  [    5.732426] Key type id_resolver registered

  661 07:26:19.922823  [    5.732506] Key type id_legacy registered

  662 07:26:19.923187  [    5.733059] nfs4filelayout_init: NFSv4 File Layout Driver Registering...

  663 07:26:19.923426  [    5.733158] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering...

  664 07:26:19.923645  [    5.733349] ntfs: driver 2.1.32 [Flags: R/O].

  665 07:26:19.923857  [    5.735229] Key type asymmetric registered

  666 07:26:19.924066  [    5.735349] Asymmetric key parser 'x509' registered

  667 07:26:19.924273  [    5.735744] bounce: pool size: 64 pages

  668 07:26:19.924472  [    5.735899] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 247)

  669 07:26:19.970984  [    5.736001] io scheduler mq-deadline registered

  670 07:26:19.971515  [    5.736040] io scheduler kyber registered

  671 07:26:19.971871  [    5.736885] test_firmware: interface ready

  672 07:26:19.972205  [    5.898527] mxs-dma 110000.dma-apbh: initialized

  673 07:26:19.972527  [    5.957040] imx-sdma 20ec000.sdma: Direct firmware load for imx/sdma/sdma-imx6q.bin failed with error -2

  674 07:26:19.972849  [    5.957363] imx-sdma 20ec000.sdma: external firmware not found, using ROM firmware

  675 07:26:19.973161  [    6.175976] Serial: 8250/16550 driver, 5 ports, IRQ sharing enabled

  676 07:26:19.973464  [    6.194451] SuperH (H)SCI(F) driver initialized

  677 07:26:20.024996  [    6.197297] 2020000.serial: ttymxc0 at MMIO 0x2020000 (irq = 34, base_baud = 5000000) is a IMX

  678 07:26:20.025545  [    6.201893] 21e8000.serial: ttymxc1 at MMIO 0x21e8000 (irq = 81, base_baud = 5000000) is a IMX

  679 07:26:20.025911  [    7.131981] printk: console [ttymxc1] enabled

  680 07:26:20.026241  [    7.142208] msm_serial: driver initialized

  681 07:26:20.026595  [    7.147362] STMicroelectronics ASC driver initialized

  682 07:26:20.026919  [    7.158572] STM32 USART driver initialized

  683 07:26:20.051270  [    7.183149] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 0

  684 07:26:20.086168  [    7.204771] panel-simple panel-lcd: supply power not found, using dummy regulator

  685 07:26:20.086736  [    7.213125] panel-simple panel-lcd: Specify missing connector_type

  686 07:26:20.087101  [    7.220770] panel-simple panel-lvds0: supply power not found, using dummy regulator

  687 07:26:20.133379  [    7.269422] brd: module loaded

  688 07:26:20.193829  [    7.322393] loop: module loaded

  689 07:26:20.194086  [    7.328534] lkdtm: No crash points registered, enable through debugfs

  690 07:26:20.241372  [    7.349334] ahci-imx 2200000.sata: fsl,transmit-level-mV not specified, using 00000024

  691 07:26:20.241923  [    7.357358] ahci-imx 2200000.sata: fsl,transmit-boost-mdB not specified, using 00000480

  692 07:26:20.242288  [    7.365398] ahci-imx 2200000.sata: fsl,transmit-atten-16ths not specified, using 00002000

  693 07:26:20.242661  [    7.373665] ahci-imx 2200000.sata: fsl,receive-eq-mdB not specified, using 05000000

  694 07:26:20.242988  [    7.381679] ahci-imx 2200000.sata: supply ahci not found, using dummy regulator

  695 07:26:20.295888  [    7.389811] ahci-imx 2200000.sata: supply phy not found, using dummy regulator

  696 07:26:20.296432  [    7.397541] ahci-imx 2200000.sata: supply target not found, using dummy regulator

  697 07:26:20.296795  [    7.408799] ahci-imx 2200000.sata: SSS flag set, parallel bus scan disabled

  698 07:26:20.297128  [    7.415824] ahci-imx 2200000.sata: AHCI 0001.0300 32 slots 1 ports 3 Gbps 0x1 impl platform mode

  699 07:26:20.297453  [    7.424738] ahci-imx 2200000.sata: flags: ncq sntf stag pm led clo only pmp pio slum part ccc apst 

  700 07:26:20.297770  [    7.438650] scsi host0: ahci-imx

  701 07:26:20.339033  [    7.443973] ata1: SATA max UDMA/133 mmio [mem 0x02200000-0x02203fff] port 0x100 irq 84

  702 07:26:20.371549  [    7.503917] bgmac_bcma: Broadcom 47xx GBit MAC driver loaded

  703 07:26:20.372092  [    7.516969] pps pps0: new PPS source ptp0

  704 07:26:20.454362  [    7.559903] fec 2188000.ethernet eth0: registered PHC device 0

  705 07:26:20.454951  [    7.570233] e1000e: Intel(R) PRO/1000 Network Driver

  706 07:26:20.455317  [    7.575230] e1000e: Copyright(c) 1999 - 2015 Intel Corporation.

  707 07:26:20.455652  [    7.581445] igb: Intel(R) Gigabit Ethernet Network Driver

  708 07:26:20.455969  [    7.586873] igb: Copyright (c) 2007-2014 Intel Corporation.

  709 07:26:20.504832  [    7.613022] pegasus: v0.9.3 (2013/04/25), Pegasus/Pegasus II USB Ethernet driver

  710 07:26:20.505382  [    7.620643] usbcore: registered new interface driver pegasus

  711 07:26:20.505818  [    7.626510] usbcore: registered new interface driver asix

  712 07:26:20.506158  [    7.632115] usbcore: registered new interface driver ax88179_178a

  713 07:26:20.506483  [    7.638409] usbcore: registered new interface driver cdc_ether

  714 07:26:20.506827  [    7.644471] usbcore: registered new interface driver smsc75xx

  715 07:26:20.507131  [    7.650476] usbcore: registered new interface driver smsc95xx

  716 07:26:20.546982  [    7.656378] usbcore: registered new interface driver net1080

  717 07:26:20.547493  [    7.662239] usbcore: registered new interface driver cdc_subset

  718 07:26:20.547847  [    7.668362] usbcore: registered new interface driver zaurus

  719 07:26:20.548178  [    7.674198] usbcore: registered new interface driver cdc_ncm

  720 07:26:20.589021  [    7.691914] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver

  721 07:26:20.589564  [    7.698590] ehci-pci: EHCI PCI platform driver

  722 07:26:20.589925  [    7.703217] ehci-platform: EHCI generic platform driver

  723 07:26:20.590260  [    7.709469] ehci-orion: EHCI orion driver

  724 07:26:20.590604  [    7.714347] SPEAr-ehci: EHCI SPEAr driver

  725 07:26:20.590921  [    7.719233] ehci-st: EHCI STMicroelectronics driver

  726 07:26:20.591229  [    7.724929] ehci-exynos: EHCI Exynos driver

  727 07:26:20.591529  [    7.729959] ehci-atmel: EHCI Atmel driver

  728 07:26:20.591827  [    7.734763] tegra-ehci: Tegra EHCI driver

  729 07:26:20.638670  [    7.739664] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver

  730 07:26:20.639212  [    7.745938] ohci-pci: OHCI PCI platform driver

  731 07:26:20.639568  [    7.750596] ohci-platform: OHCI generic platform driver

  732 07:26:20.639899  [    7.756748] SPEAr-ohci: OHCI SPEAr driver

  733 07:26:20.640213  [    7.761631] ohci-st: OHCI STMicroelectronics driver

  734 07:26:20.640522  [    7.767383] ohci-atmel: OHCI Atmel driver

  735 07:26:20.640823  [    7.774634] usbcore: registered new interface driver usb-storage

  736 07:26:20.641127  [    7.779769] ata1: SATA link down (SStatus 0 SControl 300)

  737 07:26:20.682999  [    7.786393] ahci-imx 2200000.sata: no device found, disabling link.

  738 07:26:20.683539  [    7.792785] ahci-imx 2200000.sata: pass ahci_imx..hotplug=1 to enable hotplug

  739 07:26:20.683899  [    7.811054] i2c /dev entries driver

  740 07:26:20.807489  [    7.891154] sdhci: Secure Digital Host Controller Interface driver

  741 07:26:20.807980  [    7.897413] sdhci: Copyright(c) Pierre Ossman

  742 07:26:20.808307  [    7.910789] Synopsys Designware Multimedia Card Interface Driver

  743 07:26:20.808615  [    7.923760] sdhci-pltfm: SDHCI platform and OF driver helper

  744 07:26:20.808908  [    7.932997] sdhci-esdhc-imx 2198000.mmc: Got CD GPIO

  745 07:26:20.809195  [    7.933007] sdhci-esdhc-imx 219c000.mmc: Got CD GPIO

  746 07:26:20.809475  [    7.933175] sdhci-esdhc-imx 2198000.mmc: Got WP GPIO

  747 07:26:20.809753  [    7.949899] ledtrig-cpu: registered to indicate activity on CPUs

  748 07:26:20.878174  [    7.959554] usbcore: registered new interface driver usbhid

  749 07:26:20.878612  [    7.965159] usbhid: USB HID core driver

  750 07:26:20.878943  [    7.976637] mmc3: SDHCI controller on 219c000.mmc [219c000.mmc] using ADMA

  751 07:26:20.879251  [    7.985161] mmc2: SDHCI controller on 2198000.mmc [2198000.mmc] using ADMA

  752 07:26:20.879546  [    7.991934] ipip: IPv4 and MPLS over IPv4 tunneling driver

  753 07:26:20.879834  [    8.000003] IPv4 over IPsec tunneling driver

  754 07:26:20.880116  [    8.008778] NET: Registered protocol family 10

  755 07:26:20.880393  [    8.018643] Segment Routing with IPv6

  756 07:26:20.931894  [    8.028065] NET: Registered protocol family 17

  757 07:26:20.932299  [    8.031616] mmc2: new high speed SDHC card at address 0001

  758 07:26:20.932627  [    8.034361] Key type dns_resolver registered

  759 07:26:20.932928  [    8.041832] mmcblk2: mmc2:0001 SD 14.8 GiB 

  760 07:26:20.933221  [    8.055115] ThumbEE CPU extension supported.

  761 07:26:20.933509  [    8.059525] Registering SWP/SWPB emulation handler

  762 07:26:20.933790  [    8.065819] Loading compiled-in X.509 certificates

  763 07:26:20.934068  [    8.068611] GPT:Primary header thinks Alt. header is not at the end of the disk.

  764 07:26:20.934345  [    8.078315] GPT:29296874 != 30965759

  765 07:26:20.974759  [    8.081935] GPT:Alternate GPT header not at the end of the disk.

  766 07:26:20.974981  [    8.088051] GPT:29296874 != 30965759

  767 07:26:20.975159  [    8.091660] GPT: Use GNU Parted to correct GPT errors.

  768 07:26:20.975327  [    8.096904]  mmcblk2: p1 p2 p3

  769 07:26:21.146160  [    8.258866] panel-simple panel-lcd: supply power not found, using dummy regulator

  770 07:26:21.146322  [    8.267355] panel-simple panel-lcd: Specify missing connector_type

  771 07:26:21.146392  [    8.281177] panel-simple panel-lvds0: supply power not found, using dummy regulator

  772 07:26:21.205927  [    8.320156] imx_usb 2184200.usb: No over current polarity defined

  773 07:26:21.206014  [    8.333561] ci_hdrc ci_hdrc.1: EHCI Host Controller

  774 07:26:21.206082  [    8.338943] ci_hdrc ci_hdrc.1: new USB bus registered, assigned bus number 1

  775 07:26:21.236028  [    8.368650] ci_hdrc ci_hdrc.1: USB 2.0 started, EHCI 1.00

  776 07:26:21.259087  [    8.387837] hub 1-0:1.0: USB hub found

  777 07:26:21.259285  [    8.393556] hub 1-0:1.0: 1 port detected

  778 07:26:21.290857  [    8.408963] imx_thermal 20c8000.anatop:tempmon: invalid sensor calibration data

  779 07:26:21.290969  [    8.416318] imx_thermal 20c8000.anatop:tempmon: error -EINVAL: failed to init from nvmem

  780 07:26:21.291038  [    8.424564] imx_thermal: probe of 20c8000.anatop:tempmon failed with error -22

  781 07:26:21.340798  [    8.453630] panel-simple panel-lcd: supply power not found, using dummy regulator

  782 07:26:21.340886  [    8.461987] panel-simple panel-lcd: Specify missing connector_type

  783 07:26:21.340955  [    8.475800] panel-simple panel-lvds0: supply power not found, using dummy regulator

  784 07:26:21.396713  [    8.508776] panel-simple panel-lcd: supply power not found, using dummy regulator

  785 07:26:21.396799  [    8.517121] panel-simple panel-lcd: Specify missing connector_type

  786 07:26:21.396868  [    8.530941] panel-simple panel-lvds0: supply power not found, using dummy regulator

  787 07:26:21.419626  [    8.552284] input: gpio-keys as /devices/platform/gpio-keys/input/input0

  788 07:26:21.470599  [    8.583575] panel-simple panel-lcd: supply power not found, using dummy regulator

  789 07:26:21.470684  [    8.591946] panel-simple panel-lcd: Specify missing connector_type

  790 07:26:21.470753  [    8.605876] panel-simple panel-lvds0: supply power not found, using dummy regulator

  791 07:26:21.502459  [    8.629116] Micrel KSZ9021 Gigabit PHY 2188000.ethernet-1:06: attached PHY driver [Micrel KSZ9021 Gigabit PHY] (mii_bus:phy_addr=2188000.ethernet-1:06, irq=POLL)

  792 07:26:21.685195  [    8.817400] usb 1-1: new high-speed USB device number 2 using ci_hdrc

  793 07:26:21.877358  [    9.025698] hub 1-1:1.0: USB hub found

  794 07:26:21.893297  [    9.030400] hub 1-1:1.0: 3 ports detected

  795 07:26:21.951027  [    9.063974] panel-simple panel-lcd: supply power not found, using dummy regulator

  796 07:26:21.951222  [    9.072339] panel-simple panel-lcd: Specify missing connector_type

  797 07:26:21.951375  [    9.086352] panel-simple panel-lvds0: supply power not found, using dummy regulator

  798 07:26:23.594297  [   10.719083] fec 2188000.ethernet eth0: Link is Up - 100Mbps/Full - flow control off

  799 07:26:23.594873  [   10.727734] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready

  800 07:26:23.688584  [   10.757262] Sending DHCP requests ., OK

  801 07:26:23.689128  [   10.801541] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.13

  802 07:26:23.689489  [   10.809686] IP-Config: Complete:

  803 07:26:23.689823  [   10.812948]      device=eth0, hwaddr=00:19:b8:00:e5:47, ipaddr=192.168.201.13, mask=255.255.255.0, gw=192.168.201.1

  804 07:26:23.690150  [   10.823464]      host=imx6q-sabrelite-lava-cbg-2, domain=lava-rack, nis-domain=(none)

  805 07:26:23.690468  [   10.831401]      bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath=

  806 07:26:23.704011  [   10.831421]      nameserver0=192.168.201.1

  807 07:26:23.752009  [   10.899109] Freeing unused kernel memory: 2048K

  808 07:26:23.767869  [   10.908188] Run /init as init process

  809 07:26:23.831987  Loading, please wait...

  810 07:26:23.975609  Starting version 247.3-7+deb11u2

  811 07:26:28.145484  [   15.280608] imx-ipuv3 2400000.ipu: IPUv3H probed

  812 07:26:28.191145  [   15.316559] panel-simple panel-lcd: supply power not found, using dummy regulator

  813 07:26:28.191688  [   15.325283] panel-simple panel-lcd: Specify missing connector_type

  814 07:26:28.223387  [   15.358857] imx-ipuv3 2800000.ipu: IPUv3H probed

  815 07:26:28.254269  [   15.385519] panel-simple panel-lvds0: supply power not found, using dummy regulator

  816 07:26:28.286344  [   15.428964] CAN device driver interface

  817 07:26:28.366679  [   15.461705] panel-simple panel-lcd: supply power not found, using dummy regulator

  818 07:26:28.367217  [   15.474854] etnaviv etnaviv: bound 130000.gpu (ops gpu_ops [etnaviv])

  819 07:26:28.367574  [   15.486606] etnaviv etnaviv: bound 134000.gpu (ops gpu_ops [etnaviv])

  820 07:26:28.367905  [   15.488769] panel-simple panel-lcd: Specify missing connector_type

  821 07:26:28.368223  [   15.494479] etnaviv etnaviv: bound 2204000.gpu (ops gpu_ops [etnaviv])

  822 07:26:28.368554  [   15.506008] etnaviv-gpu 130000.gpu: model: GC2000, revision: 5108

  823 07:26:28.396492  [   15.515517] etnaviv-gpu 134000.gpu: model: GC320, revision: 5007

  824 07:26:28.396671  [   15.525252] etnaviv-gpu 2204000.gpu: model: GC355, revision: 1215

  825 07:26:28.396754  [   15.531652] etnaviv-gpu 2204000.gpu: Ignoring GPU with VG and FE2.0

  826 07:26:28.428850  [   15.554798] panel-simple panel-lvds0: supply power not found, using dummy regulator

  827 07:26:28.429135  [   15.555314] [drm] Initialized etnaviv 1.3.0 20151214 for etnaviv on minor 1

  828 07:26:28.476710  [   15.582898] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm])

  829 07:26:28.477253  [   15.591782] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm])

  830 07:26:28.477611  [   15.600693] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm])

  831 07:26:28.477941  [   15.609549] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm])

  832 07:26:28.478260  [   15.616836] panel-simple panel-lcd: supply power not found, using dummy regulator

  833 07:26:28.492035  [   15.626268] panel-simple panel-lcd: Specify missing connector_type

  834 07:26:28.535024  [   15.661260] caam 2100000.crypto: Entropy delay = 3200

  835 07:26:28.535569  [   15.665463] panel-simple panel-lvds0: supply power not found, using dummy regulator

  836 07:26:28.583049  [   15.727171] caam 2100000.crypto: Instantiated RNG4 SH0

  837 07:26:28.678960  [   15.787933] caam 2100000.crypto: Instantiated RNG4 SH1

  838 07:26:28.679498  [   15.789304] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm])

  839 07:26:28.679857  [   15.793141] caam 2100000.crypto: device ID = 0x0a16010000000000 (Era 4)

  840 07:26:28.680186  [   15.801908] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm])

  841 07:26:28.680503  [   15.808169] caam 2100000.crypto: job rings = 2, qi = 0

  842 07:26:28.680814  [   15.812079] usb_phy_generic usbphynop1: supply vcc not found, using dummy regulator

  843 07:26:28.723586  [   15.816723] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm])

  844 07:26:28.724129  [   15.822545] usb_phy_generic usbphynop1: dummy supplies not allowed for exclusive requests

  845 07:26:28.724486  [   15.829833] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm])

  846 07:26:28.724816  [   15.838298] usb_phy_generic usbphynop2: supply vcc not found, using dummy regulator

  847 07:26:28.725132  [   15.862742] usb_phy_generic usbphynop2: dummy supplies not allowed for exclusive requests

  848 07:26:28.725444  [   15.868415] sgtl5000 0-000a: sgtl5000 revision 0x11

  849 07:26:28.755950  [   15.869157] panel-simple panel-lcd: supply power not found, using dummy regulator

  850 07:26:28.756499  [   15.870048] panel-simple panel-lcd: Specify missing connector_type

  851 07:26:28.756857  [   15.878210] panel-simple panel-lvds0: supply power not found, using dummy regulator

  852 07:26:28.787830  [   15.920285] sgtl5000 0-000a: Using internal LDO instead of VDDD: check ER1 erratum

  853 07:26:28.860579  [   15.963706] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm])

  854 07:26:28.861127  [   15.972300] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm])

  855 07:26:28.861488  [   15.981083] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm])

  856 07:26:28.861826  [   15.989745] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm])

  857 07:26:28.928626  [   16.053983] panel-simple panel-lcd: supply power not found, using dummy regulator

  858 07:26:28.929168  [   16.062573] panel-simple panel-lcd: Specify missing connector_type

  859 07:26:28.960614  [   16.094007] panel-simple panel-lvds0: supply power not found, using dummy regulator

  860 07:26:29.036472  [   16.142279] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm])

  861 07:26:29.037019  [   16.151029] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm])

  862 07:26:29.037377  [   16.160002] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm])

  863 07:26:29.037712  [   16.168693] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm])

  864 07:26:29.611562  [   16.743825] caam algorithms registered in /proc/crypto

  865 07:26:29.667436  [   16.763155] caam 2100000.crypto: registering rng-caam

  866 07:26:29.667978  [   16.776626] panel-simple panel-lcd: supply power not found, using dummy regulator

  867 07:26:29.668337  [   16.785161] panel-simple panel-lcd: Specify missing connector_type

  868 07:26:29.668669  [   16.800414] panel-simple panel-lvds0: supply power not found, using dummy regulator

  869 07:26:29.747329  [   16.844628] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm])

  870 07:26:29.747841  [   16.853272] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm])

  871 07:26:29.748173  [   16.861874] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm])

  872 07:26:29.748478  [   16.870385] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm])

  873 07:26:29.748768  [   16.888356] panel-simple panel-lcd: supply power not found, using dummy regulator

  874 07:26:29.762164  [   16.896840] panel-simple panel-lcd: Specify missing connector_type

  875 07:26:29.788545  [   16.920514] panel-simple panel-lvds0: supply power not found, using dummy regulator

  876 07:26:29.804485  [   16.952519] random: crng init done

  877 07:26:29.859616  [   16.959643] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm])

  878 07:26:29.860156  [   16.968149] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm])

  879 07:26:29.860514  [   16.976625] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm])

  880 07:26:29.860844  [   16.985136] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm])

  881 07:26:29.861161  Begin: Loading essential drivers ... done.

  882 07:26:29.861469  Begin: Running /scripts/init-premount ... done.

  883 07:26:29.885384  Begin: Mounting root file system ... Begin: Running /scripts/nfs-top ... done.

  884 07:26:29.885928  Begin: Running /scripts/nfs-premount ... Waiting up to 60 secs for any ethernet to become available

  885 07:26:29.901453  Device /sys/class/net/eth0 found

  886 07:26:29.901990  done.

  887 07:26:30.182191  IP-Config: eth0 hardware address 00:19:b8:00:e5:47 mtu 1500 DHCP

  888 07:26:30.182760  IP-Config: eth0 complete (dhcp from 192.168.201.1):

  889 07:26:30.183119   address: 192.168.201.13   broadcast: 192.168.201.255  netmask: 255.255.255.0   

  890 07:26:30.183453   gateway: 192.168.201.1    dns0     : 192.168.201.1    dns1   : 0.0.0.0         

  891 07:26:30.183776   host   : imx6q-sabrelite-lava-cbg-2                                      

  892 07:26:30.184092   domain : lava-rack                                                       

  893 07:26:30.184397   rootserver: 192.168.201.1 rootpath: 

  894 07:26:30.184695   filename  : 

  895 07:26:30.261901  done.

  896 07:26:30.285921  Begin: Running /scripts/nfs-bottom ... done.

  897 07:26:30.365709  Begin: Running /scripts/init-bottom ... done.

  898 07:26:32.017545  [   19.149656] systemd[1]: System time before build time, advancing clock.

  899 07:26:32.307074  [   19.414777] 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)

  900 07:26:32.307633  [   19.440881] systemd[1]: Detected architecture arm.

  901 07:26:32.323079  

  902 07:26:32.339318  Welcome to Debian GNU/Linux 11 (bullseye)!

  903 07:26:32.339861  

  904 07:26:32.382982  [   19.514447] systemd[1]: Set hostname to <debian-bullseye-armhf>.

  905 07:26:34.241858  [   21.352442] systemd[1]: Queued start job for default target Graphical Interface.

  906 07:26:34.242407  [   21.367014] systemd[1]: Created slice system-getty.slice.

  907 07:26:34.242787  [  OK  ] Created slice system-getty.slice.

  908 07:26:34.300539  [   21.422156] systemd[1]: Created slice system-modprobe.slice.

  909 07:26:34.300799  [  OK  ] Created slice system-modprobe.slice.

  910 07:26:34.351525  [   21.472134] systemd[1]: Created slice system-serial\x2dgetty.slice.

  911 07:26:34.352065  [  OK  ] Created slice system-serial\x2dgetty.slice.

  912 07:26:34.400519  [   21.521381] systemd[1]: Created slice User and Session Slice.

  913 07:26:34.401059  [  OK  ] Created slice User and Session Slice.

  914 07:26:34.451414  [   21.571232] systemd[1]: Started Dispatch Password Requests to Console Directory Watch.

  915 07:26:34.451953  [  OK  ] Started Dispatch Password …ts to Console Directory Watch.

  916 07:26:34.500405  [   21.620443] systemd[1]: Started Forward Password Requests to Wall Directory Watch.

  917 07:26:34.500948  [  OK  ] Started Forward Password R…uests to Wall Directory Watch.

  918 07:26:34.558434  [   21.668882] systemd[1]: Condition check resulted in Arbitrary Executable File Formats File System Automount Point being skipped.

  919 07:26:34.559017  [   21.682633] systemd[1]: Reached target Local Encrypted Volumes.

  920 07:26:34.559373  [  OK  ] Reached target Local Encrypted Volumes.

  921 07:26:34.574436  [   21.718645] systemd[1]: Reached target Paths.

  922 07:26:34.590414  [  OK  ] Reached target Paths.

  923 07:26:34.637299  [   21.759124] systemd[1]: Reached target Remote File Systems.

  924 07:26:34.637834  [  OK  ] Reached target Remote File Systems.

  925 07:26:34.667970  [   21.797576] systemd[1]: Reached target Slices.

  926 07:26:34.668509  [  OK  ] Reached target Slices.

  927 07:26:34.711291  [   21.838263] systemd[1]: Reached target Swap.

  928 07:26:34.711834  [  OK  ] Reached target Swap.

  929 07:26:34.761027  [   21.882299] systemd[1]: Listening on initctl Compatibility Named Pipe.

  930 07:26:34.761567  [  OK  ] Listening on initctl Compatibility Named Pipe.

  931 07:26:34.854966  [   21.986760] systemd[1]: Condition check resulted in Journal Audit Socket being skipped.

  932 07:26:34.880995  [   22.004740] systemd[1]: Listening on Journal Socket (/dev/log).

  933 07:26:34.881532  [  OK  ] Listening on Journal Socket (/dev/log).

  934 07:26:34.938979  [   22.064166] systemd[1]: Listening on Journal Socket.

  935 07:26:34.939516  [  OK  ] Listening on Journal Socket.

  936 07:26:34.992479  [   22.113811] systemd[1]: Listening on Network Service Netlink Socket.

  937 07:26:34.993207  [  OK  ] Listening on Network Service Netlink Socket.

  938 07:26:35.048042  [   22.168468] systemd[1]: Listening on udev Control Socket.

  939 07:26:35.048281  [  OK  ] Listening on udev Control Socket.

  940 07:26:35.091553  [   22.212524] systemd[1]: Listening on udev Kernel Socket.

  941 07:26:35.092091  [  OK  ] Listening on udev Kernel Socket.

  942 07:26:35.143256  [   22.262329] systemd[1]: Condition check resulted in Huge Pages File System being skipped.

  943 07:26:35.143936  [   22.272722] systemd[1]: Condition check resulted in POSIX Message Queue File System being skipped.

  944 07:26:35.167218  [   22.294288] systemd[1]: Mounting Kernel Debug File System...

  945 07:26:35.167761           Mounting Kernel Debug File System...

  946 07:26:35.218096  [   22.340966] systemd[1]: Mounting Kernel Trace File System...

  947 07:26:35.218668           Mounting Kernel Trace File System...

  948 07:26:35.275111  [   22.397034] systemd[1]: Starting Create list of static device nodes for the current kernel...

  949 07:26:35.275627           Starting Create list of st…odes for the current kernel...

  950 07:26:35.331455  [   22.453970] systemd[1]: Starting Load Kernel Module configfs...

  951 07:26:35.331613           Starting Load Kernel Module configfs...

  952 07:26:35.387912  [   22.520295] systemd[1]: Starting Load Kernel Module drm...

  953 07:26:35.388421           Starting Load Kernel Module drm...

  954 07:26:35.446841  [   22.579041] systemd[1]: Starting Load Kernel Module fuse...

  955 07:26:35.447388           Starting Load Kernel Module fuse...

  956 07:26:35.506583  [   22.638332] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped.

  957 07:26:35.551528  [   22.673240] fuse: init (API version 7.32)

  958 07:26:35.552047  [   22.677402] systemd[1]: Starting Journal Service...

  959 07:26:35.552386           Starting Journal Service...

  960 07:26:35.609245  [   22.738467] systemd[1]: Starting Load Kernel Modules...

  961 07:26:35.609408           Starting Load Kernel Modules...

  962 07:26:35.664996  [   22.788941] systemd[1]: Starting Remount Root and Kernel File Systems...

  963 07:26:35.665152           Starting Remount Root and Kernel File Systems...

  964 07:26:35.715892  [   22.839585] systemd[1]: Starting Coldplug All udev Devices...

  965 07:26:35.716062           Starting Coldplug All udev Devices...

  966 07:26:35.771895  [   22.899739] systemd[1]: Mounted Kernel Debug File System.

  967 07:26:35.772058  [  OK  ] Mounted Kernel Debug File System.

  968 07:26:35.816774  [   22.941083] systemd[1]: Mounted Kernel Trace File System.

  969 07:26:35.816860  [  OK  ] Mounted Kernel Trace File System.

  970 07:26:35.870057  [   22.988536] systemd[1]: Finished Create list of static device nodes for the current kernel.

  971 07:26:35.870497  [  OK  ] Finished Create list of st… nodes for the current kernel.

  972 07:26:35.962110  [   23.074776] systemd[1]: modprobe@configfs.service: Succeeded.

  973 07:26:35.962643  [   23.086139] systemd[1]: Finished Load Kernel Module configfs.

  974 07:26:35.962973  [  OK  ] Finished Load Kernel Module configfs.

  975 07:26:36.019957  [   23.134208] systemd[1]: modprobe@drm.service: Succeeded.

  976 07:26:36.020431  [   23.144366] systemd[1]: Finished Load Kernel Module drm.

  977 07:26:36.020756  [  OK  ] Finished Load Kernel Module drm.

  978 07:26:36.079835  [   23.193895] systemd[1]: modprobe@fuse.service: Succeeded.

  979 07:26:36.080337  [   23.204209] systemd[1]: Finished Load Kernel Module fuse.

  980 07:26:36.080659  [  OK  ] Finished Load Kernel Module fuse.

  981 07:26:36.124892  [   23.253385] systemd[1]: Finished Load Kernel Modules.

  982 07:26:36.125392  [  OK  ] Finished Load Kernel Modules.

  983 07:26:36.170032  [   23.293170] systemd[1]: Finished Remount Root and Kernel File Systems.

  984 07:26:36.170624  [  OK  ] Finished Remount Root and Kernel File Systems.

  985 07:26:36.225426  [   23.351395] systemd[1]: Mounting FUSE Control File System...

  986 07:26:36.225905           Mounting FUSE Control File System...

  987 07:26:36.273552  [   23.397557] systemd[1]: Mounting Kernel Configuration File System...

  988 07:26:36.274091           Mounting Kernel Configuration File System...

  989 07:26:36.309593  [   23.428754] systemd[1]: Condition check resulted in Rebuild Hardware Database being skipped.

  990 07:26:36.310102  [   23.439471] systemd[1]: Condition check resulted in Platform Persistent Storage Archival being skipped.

  991 07:26:36.334395  [   23.460064] systemd[1]: Starting Load/Save Random Seed...

  992 07:26:36.334821           Starting Load/Save Random Seed...

  993 07:26:36.387481  [   23.519514] systemd[1]: Starting Apply Kernel Variables...

  994 07:26:36.388009           Starting Apply Kernel Variables...

  995 07:26:36.435524  [   23.579100] systemd[1]: Starting Create System Users...

  996 07:26:36.451405           Starting Create System Users...

  997 07:26:36.497436  [   23.626264] systemd[1]: Started Journal Service.

  998 07:26:36.497940  [  OK  ] Started Journal Service.

  999 07:26:36.545329  [  OK  ] Mounted FUSE Control File System.

 1000 07:26:36.593336  [  OK  ] Mounted Kernel Configuration File System.

 1001 07:26:36.632874  [  OK  ] Finished Load/Save Random Seed.

 1002 07:26:36.674773  [  OK  ] Finished Apply Kernel Variables.

 1003 07:26:36.728024           Starting Flush Journal to Persistent Storage...

 1004 07:26:36.769015  [  OK  ] Finished Create System Users.

 1005 07:26:36.811924           Starting Create Static Device Nodes in /dev...

 1006 07:26:36.872980  [   24.005123] systemd-journald[273]: Received client request to flush runtime journal.

 1007 07:26:37.060825  [  OK  ] Finished Create Static Device Nodes in /dev.

 1008 07:26:37.107942  [  OK  ] Reached target Local File Systems (Pre).

 1009 07:26:37.155891  [  OK  ] Reached target Local File Systems.

 1010 07:26:37.210809           Starting Rule-based Manage…for Device Events and Files...

 1011 07:26:38.713715  [  OK  ] Finished Flush Journal to Persistent Storage.

 1012 07:26:38.761825           Starting Create Volatile Files and Directories...

 1013 07:26:38.809913  [  OK  ] Started Rule-based Manager for Device Events and Files.

 1014 07:26:38.889838           Starting Network Service...

 1015 07:26:40.079269  [  OK  ] Finished Create Volatile Files and Directories.

 1016 07:26:40.168340           Starting Network Time Synchronization...

 1017 07:26:40.224298           Starting Update UTMP about System Boot/Shutdown...

 1018 07:26:40.304010  [  OK  ] Started Network Service.

 1019 07:26:40.431339           Starting Network Name Resolution...

 1020 07:26:40.708045  [  OK  ] Finished Update UTMP about System Boot/Shutdown.

 1021 07:26:41.457426  [  OK  ] Started Network Time Synchronization.

 1022 07:26:41.489308  [  OK  ] Reached target System Time Set.

 1023 07:26:41.528253  [  OK  ] Reached target System Time Synchronized.

 1024 07:26:42.318068  [  OK  ] Started Network Name Resolution.

 1025 07:26:42.349948  [  OK  ] Reached target Network.

 1026 07:26:42.397783  [  OK  ] Reached target Host and Network Name Lookups.

 1027 07:26:43.560825  [  OK  ] Finished Coldplug All udev Devices.

 1028 07:26:43.728262  [  OK  ] Reached target System Initialization.

 1029 07:26:43.849213  [  OK  ] Started Daily apt download activities.

 1030 07:26:43.897054  [  OK  ] Started Daily apt upgrade and clean activities.

 1031 07:26:43.917844  [  OK  ] Started Periodic ext4 Onli…ata Check for All Filesystems.

 1032 07:26:43.968407  [  OK  ] Started Discard unused blocks once a week.

 1033 07:26:43.968609  [  OK  ] Started Daily Cleanup of Temporary Directories.

 1034 07:26:44.016833  [  OK  ] Reached target Timers.

 1035 07:26:44.048791  [  OK  ] Reached target Hardware activated USB gadget.

 1036 07:26:44.070707  [  OK  ] Listening on D-Bus System Message Bus Socket.

 1037 07:26:44.102769  [  OK  ] Reached target Sockets.

 1038 07:26:44.134639  [  OK  ] Reached target Basic System.

 1039 07:26:44.182501  [  OK  ] Started D-Bus System Message Bus.

 1040 07:26:44.307595           Starting Remove Stale Onli…t4 Metadata Check Snapshots...

 1041 07:26:44.451900           Starting User Login Management...

 1042 07:26:44.499644           Starting Permit User Sessions...

 1043 07:26:44.691079  [  OK  ] Found device /dev/ttymxc1.

 1044 07:26:44.871911  [  OK  ] Finished Permit User Sessions.

 1045 07:26:46.046007  [  OK  ] Finished Remove Stale Onli…ext4 Metadata Check Snapshots.

 1046 07:26:48.102816  [*     ] A start job is running for User Login Management (13s / 1min 40s)

 1047 07:26:48.221410  M

 1048 07:26:48.221956  [  OK  ] Started User Login Management.

 1049 07:26:48.269422  [  OK  ] Listening on Load/Save RF …itch Status /dev/rfkill Watch.

 1050 07:26:48.317273  [  OK  ] Started Getty on tty1.

 1051 07:26:48.378185  [  OK  ] Started Serial Getty on ttymxc1.

 1052 07:26:48.410039  [  OK  ] Reached target Login Prompts.

 1053 07:26:48.452967  [  OK  ] Reached target Multi-User System.

 1054 07:26:48.493429  [  OK  ] Reached target Graphical Interface.

 1055 07:26:48.522478           Starting Update UTMP about System Runlevel Changes...

 1056 07:26:48.720291  [  OK  ] Finished Update UTMP about System Runlevel Changes.

 1057 07:26:48.856618  

 1058 07:26:48.857123  

 1059 07:26:48.857450  Debian GNU/Linux 11 debian-bullseye-armhf ttymxc1

 1060 07:26:48.857747  

 1061 07:26:48.858029  debian-bullseye-armhf login: root (automatic login)

 1062 07:26:48.858307  

 1063 07:26:48.858611  

 1064 07:26:49.473164  Linux debian-bullseye-armhf 5.10.180-cip33 #1 SMP Fri May 26 07:09:52 UTC 2023 armv7l

 1065 07:26:49.473659  

 1066 07:26:49.473977  The programs included with the Debian GNU/Linux system are free software;

 1067 07:26:49.474277  the exact distribution terms for each program are described in the

 1068 07:26:49.474590  individual files in /usr/share/doc/*/copyright.

 1069 07:26:49.474875  

 1070 07:26:49.475151  Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent

 1071 07:26:49.475424  permitted by applicable law.

 1072 07:26:55.077397  Matched prompt #10: / #
 1074 07:26:55.078463  Setting prompt string to ['/ #']
 1075 07:26:55.078899  end: 2.4.4.1 login-action (duration 00:00:36) [common]
 1077 07:26:55.079805  end: 2.4.4 auto-login-action (duration 00:00:44) [common]
 1078 07:26:55.080227  start: 2.4.5 expect-shell-connection (timeout 00:03:18) [common]
 1079 07:26:55.080568  Setting prompt string to ['/ #']
 1080 07:26:55.080856  Forcing a shell prompt, looking for ['/ #']
 1082 07:26:55.131638  / # 

 1083 07:26:55.132208  expect-shell-connection: Wait for prompt ['/ #'] (timeout 00:05:00)
 1084 07:26:55.132611  Waiting using forced prompt support (timeout 00:02:30)
 1085 07:26:55.140597  

 1086 07:26:55.156943  end: 2.4.5 expect-shell-connection (duration 00:00:00) [common]
 1087 07:26:55.157547  start: 2.4.6 export-device-env (timeout 00:03:18) [common]
 1088 07:26:55.157972  Sending with 10 millisecond of delay
 1090 07:27:00.308480  / # export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/10462856/extract-nfsrootfs-71h3mz8u'

 1091 07:27:00.319576  export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/10462856/extract-nfsrootfs-71h3mz8u'

 1092 07:27:00.329413  Sending with 10 millisecond of delay
 1094 07:27:02.566275  / # export NFS_SERVER_IP='192.168.201.1'

 1095 07:27:02.579488  export NFS_SERVER_IP='192.168.201.1'

 1096 07:27:02.580383  end: 2.4.6 export-device-env (duration 00:00:07) [common]
 1097 07:27:02.580896  end: 2.4 uboot-commands (duration 00:01:49) [common]
 1098 07:27:02.581371  end: 2 uboot-action (duration 00:01:49) [common]
 1099 07:27:02.581819  start: 3 lava-test-retry (timeout 00:07:43) [common]
 1100 07:27:02.582286  start: 3.1 lava-test-shell (timeout 00:07:43) [common]
 1101 07:27:02.582693  Using namespace: common
 1103 07:27:02.684328  / # #

 1104 07:27:02.684900  lava-test-shell: Wait for prompt ['/ #'] (timeout 00:10:00)
 1105 07:27:02.691353  #

 1106 07:27:02.707651  Using /lava-10462856
 1108 07:27:02.809323  / # export SHELL=/bin/bash

 1109 07:27:02.818953  export SHELL=/bin/bash

 1111 07:27:02.964909  / # . /lava-10462856/environment

 1112 07:27:02.978765  . /lava-10462856/environment

 1114 07:27:03.121051  / # /lava-10462856/bin/lava-test-runner /lava-10462856/0

 1115 07:27:03.121653  Test shell timeout: 10s (minimum of the action and connection timeout)
 1116 07:27:03.138201  /lava-10462856/bin/lava-test-runner /lava-10462856/0

 1117 07:27:03.840832  + export TESTRUN_ID=0_timesync-off

 1118 07:27:03.861518  + TESTRUN_ID=0_timesync-off

 1119 07:27:03.862027  + cd /lava-10462856/0/tests/0_timesync-off

 1120 07:27:03.862356  ++ cat uuid

 1121 07:27:03.907457  + UUID=10462856_1.6.2.4.1

 1122 07:27:03.907952  + set +x

 1123 07:27:03.908279  <LAVA_SIGNAL_STARTRUN 0_timesync-off 10462856_1.6.2.4.1>

 1124 07:27:03.908593  + systemctl stop systemd-timesyncd

 1125 07:27:03.909147  Received signal: <STARTRUN> 0_timesync-off 10462856_1.6.2.4.1
 1126 07:27:03.909470  Starting test lava.0_timesync-off (10462856_1.6.2.4.1)
 1127 07:27:03.909847  Skipping test definition patterns.
 1128 07:27:04.078319  + set +x

 1129 07:27:04.078855  <LAVA_SIGNAL_ENDRUN 0_timesync-off 10462856_1.6.2.4.1>

 1130 07:27:04.079430  Received signal: <ENDRUN> 0_timesync-off 10462856_1.6.2.4.1
 1131 07:27:04.079803  Ending use of test pattern.
 1132 07:27:04.080094  Ending test lava.0_timesync-off (10462856_1.6.2.4.1), duration 0.17
 1134 07:27:04.347457  + export TESTRUN_ID=1_kselftest-lkdtm

 1135 07:27:04.347961  + TESTRUN_ID=1_kselftest-lkdtm

 1136 07:27:04.348287  + cd /lava-10462856/0/tests/1_kselftest-lkdtm

 1137 07:27:04.348583  ++ cat uuid

 1138 07:27:04.435115  + UUID=10462856_1.6.2.4.5

 1139 07:27:04.435437  + set +x

 1140 07:27:04.435645  <LAVA_SIGNAL_STARTRUN 1_kselftest-lkdtm 10462856_1.6.2.4.5>

 1141 07:27:04.435849  + cd ./automated/linux/kselftest/

 1142 07:27:04.436083  + ./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-cip33-21-g090289427e8b2/arm/multi_v7_defconfig+kselftest/gcc-10/kselftest.tar.xz -L '' -S /dev/null -b imx6q-sabrelite -g cip-gitlab -e '' -p /opt/kselftests/mainline/ -n 1 -i 1

 1143 07:27:04.436534  Received signal: <STARTRUN> 1_kselftest-lkdtm 10462856_1.6.2.4.5
 1144 07:27:04.436755  Starting test lava.1_kselftest-lkdtm (10462856_1.6.2.4.5)
 1145 07:27:04.437008  Skipping test definition patterns.
 1146 07:27:04.642698  INFO: install_deps skipped

 1147 07:27:04.841526  --2023-05-26 07:27:04--  http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.180-cip33-21-g090289427e8b2/arm/multi_v7_defconfig+kselftest/gcc-10/kselftest.tar.xz

 1148 07:27:04.857144  Resolving storage.kernelci.org (storage.kernelci.org)... 52.250.1.28

 1149 07:27:05.006255  Connecting to storage.kernelci.org (storage.kernelci.org)|52.250.1.28|:80... connected.

 1150 07:27:05.165813  HTTP request sent, awaiting response... 200 OK

 1151 07:27:05.166346  Length: 1407392 (1.3M) [application/octet-stream]

 1152 07:27:05.166725  Saving to: 'kselftest.tar.xz'

 1153 07:27:05.167042  

 1154 07:27:05.167338  

 1155 07:27:05.420953  kselftest.tar.xz      0%[                    ]       0  --.-KB/s               

 1156 07:27:05.721089  kselftest.tar.xz      3%[                    ]  44.98K   162KB/s               

 1157 07:27:06.086855  kselftest.tar.xz     15%[==>                 ] 217.50K   390KB/s               

 1158 07:27:06.227768  kselftest.tar.xz     53%[=========>          ] 736.46K   798KB/s               

 1159 07:27:06.227950  kselftest.tar.xz    100%[===================>]   1.34M  1.26MB/s    in 1.1s    

 1160 07:27:06.228029  

 1161 07:27:06.370608  2023-05-26 07:27:06 (1.26 MB/s) - 'kselftest.tar.xz' saved [1407392/1407392]

 1162 07:27:06.370815  

 1163 07:27:12.591669  skiplist:

 1164 07:27:12.592165  ========================================

 1165 07:27:12.592485  ========================================

 1166 07:27:12.782357  lkdtm:PANIC.sh

 1167 07:27:12.782910  lkdtm:BUG.sh

 1168 07:27:12.783251  lkdtm:WARNING.sh

 1169 07:27:12.783564  lkdtm:WARNING_MESSAGE.sh

 1170 07:27:12.783865  lkdtm:EXCEPTION.sh

 1171 07:27:12.784160  lkdtm:LOOP.sh

 1172 07:27:12.784451  lkdtm:EXHAUST_STACK.sh

 1173 07:27:12.784736  lkdtm:CORRUPT_STACK.sh

 1174 07:27:12.785017  lkdtm:CORRUPT_STACK_STRONG.sh

 1175 07:27:12.785295  lkdtm:CORRUPT_LIST_ADD.sh

 1176 07:27:12.785574  lkdtm:CORRUPT_LIST_DEL.sh

 1177 07:27:12.785852  lkdtm:STACK_GUARD_PAGE_LEADING.sh

 1178 07:27:12.786130  lkdtm:STACK_GUARD_PAGE_TRAILING.sh

 1179 07:27:12.786404  lkdtm:UNSET_SMEP.sh

 1180 07:27:12.786718  lkdtm:DOUBLE_FAULT.sh

 1181 07:27:12.786997  lkdtm:CORRUPT_PAC.sh

 1182 07:27:12.787272  lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh

 1183 07:27:12.787546  lkdtm:OVERWRITE_ALLOCATION.sh

 1184 07:27:12.787653  lkdtm:WRITE_AFTER_FREE.sh

 1185 07:27:12.825511  lkdtm:READ_AFTER_FREE.sh

 1186 07:27:12.825743  lkdtm:WRITE_BUDDY_AFTER_FREE.sh

 1187 07:27:12.825875  lkdtm:READ_BUDDY_AFTER_FREE.sh

 1188 07:27:12.825994  lkdtm:SLAB_FREE_DOUBLE.sh

 1189 07:27:12.826108  lkdtm:SLAB_FREE_CROSS.sh

 1190 07:27:12.826218  lkdtm:SLAB_FREE_PAGE.sh

 1191 07:27:12.826320  lkdtm:SOFTLOCKUP.sh

 1192 07:27:12.826419  lkdtm:HARDLOCKUP.sh

 1193 07:27:12.826525  lkdtm:SPINLOCKUP.sh

 1194 07:27:12.826625  lkdtm:HUNG_TASK.sh

 1195 07:27:12.826722  lkdtm:EXEC_DATA.sh

 1196 07:27:12.826817  lkdtm:EXEC_STACK.sh

 1197 07:27:12.826914  lkdtm:EXEC_KMALLOC.sh

 1198 07:27:12.827009  lkdtm:EXEC_VMALLOC.sh

 1199 07:27:12.827104  lkdtm:EXEC_RODATA.sh

 1200 07:27:12.827197  lkdtm:EXEC_USERSPACE.sh

 1201 07:27:12.827291  lkdtm:EXEC_NULL.sh

 1202 07:27:12.827386  lkdtm:ACCESS_USERSPACE.sh

 1203 07:27:12.827480  lkdtm:ACCESS_NULL.sh

 1204 07:27:12.827574  lkdtm:WRITE_RO.sh

 1205 07:27:12.827668  lkdtm:WRITE_RO_AFTER_INIT.sh

 1206 07:27:12.868513  lkdtm:WRITE_KERN.sh

 1207 07:27:12.869004  lkdtm:REFCOUNT_INC_OVERFLOW.sh

 1208 07:27:12.869318  lkdtm:REFCOUNT_ADD_OVERFLOW.sh

 1209 07:27:12.869607  lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh

 1210 07:27:12.869887  lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh

 1211 07:27:12.870158  lkdtm:REFCOUNT_DEC_ZERO.sh

 1212 07:27:12.870424  lkdtm:REFCOUNT_DEC_NEGATIVE.sh

 1213 07:27:12.870713  lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh

 1214 07:27:12.870973  lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh

 1215 07:27:12.871230  lkdtm:REFCOUNT_INC_ZERO.sh

 1216 07:27:12.871488  lkdtm:REFCOUNT_ADD_ZERO.sh

 1217 07:27:12.871743  lkdtm:REFCOUNT_INC_SATURATED.sh

 1218 07:27:12.871996  lkdtm:REFCOUNT_DEC_SATURATED.sh

 1219 07:27:12.872248  lkdtm:REFCOUNT_ADD_SATURATED.sh

 1220 07:27:12.872505  lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh

 1221 07:27:12.911783  lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh

 1222 07:27:12.912323  lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh

 1223 07:27:12.912662  lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh

 1224 07:27:12.912978  lkdtm:REFCOUNT_TIMING.sh

 1225 07:27:12.913278  lkdtm:ATOMIC_TIMING.sh

 1226 07:27:12.913573  lkdtm:USERCOPY_HEAP_SIZE_TO.sh

 1227 07:27:12.913863  lkdtm:USERCOPY_HEAP_SIZE_FROM.sh

 1228 07:27:12.914149  lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh

 1229 07:27:12.914431  lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh

 1230 07:27:12.914751  lkdtm:USERCOPY_STACK_FRAME_TO.sh

 1231 07:27:12.915034  lkdtm:USERCOPY_STACK_FRAME_FROM.sh

 1232 07:27:12.915316  lkdtm:USERCOPY_STACK_BEYOND.sh

 1233 07:27:12.915593  lkdtm:USERCOPY_KERNEL.sh

 1234 07:27:12.915869  lkdtm:STACKLEAK_ERASING.sh

 1235 07:27:12.954889  lkdtm:CFI_FORWARD_PROTO.sh

 1236 07:27:12.955414  ============== Tests to run ===============

 1237 07:27:12.955761  lkdtm:PANIC.sh

 1238 07:27:12.956079  lkdtm:BUG.sh

 1239 07:27:12.956384  lkdtm:WARNING.sh

 1240 07:27:12.956675  lkdtm:WARNING_MESSAGE.sh

 1241 07:27:12.956960  lkdtm:EXCEPTION.sh

 1242 07:27:12.957240  lkdtm:LOOP.sh

 1243 07:27:12.957523  lkdtm:EXHAUST_STACK.sh

 1244 07:27:12.957799  lkdtm:CORRUPT_STACK.sh

 1245 07:27:12.958075  lkdtm:CORRUPT_STACK_STRONG.sh

 1246 07:27:12.958353  lkdtm:CORRUPT_LIST_ADD.sh

 1247 07:27:12.958660  lkdtm:CORRUPT_LIST_DEL.sh

 1248 07:27:12.958939  lkdtm:STACK_GUARD_PAGE_LEADING.sh

 1249 07:27:12.959219  lkdtm:STACK_GUARD_PAGE_TRAILING.sh

 1250 07:27:12.959492  lkdtm:UNSET_SMEP.sh

 1251 07:27:12.959765  lkdtm:DOUBLE_FAULT.sh

 1252 07:27:12.960038  lkdtm:CORRUPT_PAC.sh

 1253 07:27:12.960312  lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh

 1254 07:27:12.960585  lkdtm:OVERWRITE_ALLOCATION.sh

 1255 07:27:12.997957  lkdtm:WRITE_AFTER_FREE.sh

 1256 07:27:12.998488  lkdtm:READ_AFTER_FREE.sh

 1257 07:27:12.998864  lkdtm:WRITE_BUDDY_AFTER_FREE.sh

 1258 07:27:12.999185  lkdtm:READ_BUDDY_AFTER_FREE.sh

 1259 07:27:12.999488  lkdtm:SLAB_FREE_DOUBLE.sh

 1260 07:27:12.999783  lkdtm:SLAB_FREE_CROSS.sh

 1261 07:27:13.000068  lkdtm:SLAB_FREE_PAGE.sh

 1262 07:27:13.000354  lkdtm:SOFTLOCKUP.sh

 1263 07:27:13.000633  lkdtm:HARDLOCKUP.sh

 1264 07:27:13.000912  lkdtm:SPINLOCKUP.sh

 1265 07:27:13.001187  lkdtm:HUNG_TASK.sh

 1266 07:27:13.001465  lkdtm:EXEC_DATA.sh

 1267 07:27:13.001742  lkdtm:EXEC_STACK.sh

 1268 07:27:13.002018  lkdtm:EXEC_KMALLOC.sh

 1269 07:27:13.002292  lkdtm:EXEC_VMALLOC.sh

 1270 07:27:13.002586  lkdtm:EXEC_RODATA.sh

 1271 07:27:13.002863  lkdtm:EXEC_USERSPACE.sh

 1272 07:27:13.003136  lkdtm:EXEC_NULL.sh

 1273 07:27:13.003408  lkdtm:ACCESS_USERSPACE.sh

 1274 07:27:13.003682  lkdtm:ACCESS_NULL.sh

 1275 07:27:13.041008  lkdtm:WRITE_RO.sh

 1276 07:27:13.041546  lkdtm:WRITE_RO_AFTER_INIT.sh

 1277 07:27:13.041889  lkdtm:WRITE_KERN.sh

 1278 07:27:13.042205  lkdtm:REFCOUNT_INC_OVERFLOW.sh

 1279 07:27:13.042534  lkdtm:REFCOUNT_ADD_OVERFLOW.sh

 1280 07:27:13.042837  lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh

 1281 07:27:13.043126  lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh

 1282 07:27:13.043412  lkdtm:REFCOUNT_DEC_ZERO.sh

 1283 07:27:13.043693  lkdtm:REFCOUNT_DEC_NEGATIVE.sh

 1284 07:27:13.043971  lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh

 1285 07:27:13.044249  lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh

 1286 07:27:13.044527  lkdtm:REFCOUNT_INC_ZERO.sh

 1287 07:27:13.044805  lkdtm:REFCOUNT_ADD_ZERO.sh

 1288 07:27:13.045081  lkdtm:REFCOUNT_INC_SATURATED.sh

 1289 07:27:13.045357  lkdtm:REFCOUNT_DEC_SATURATED.sh

 1290 07:27:13.084010  lkdtm:REFCOUNT_ADD_SATURATED.sh

 1291 07:27:13.084537  lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh

 1292 07:27:13.084878  lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh

 1293 07:27:13.085190  lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh

 1294 07:27:13.085490  lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh

 1295 07:27:13.085783  lkdtm:REFCOUNT_TIMING.sh

 1296 07:27:13.086067  lkdtm:ATOMIC_TIMING.sh

 1297 07:27:13.086351  lkdtm:USERCOPY_HEAP_SIZE_TO.sh

 1298 07:27:13.086673  lkdtm:USERCOPY_HEAP_SIZE_FROM.sh

 1299 07:27:13.086961  lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh

 1300 07:27:13.087244  lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh

 1301 07:27:13.087522  lkdtm:USERCOPY_STACK_FRAME_TO.sh

 1302 07:27:13.087798  lkdtm:USERCOPY_STACK_FRAME_FROM.sh

 1303 07:27:13.088073  lkdtm:USERCOPY_STACK_BEYOND.sh

 1304 07:27:13.088347  lkdtm:USERCOPY_KERNEL.sh

 1305 07:27:13.104370  lkdtm:STACKLEAK_ERASING.sh

 1306 07:27:13.104903  lkdtm:CFI_FORWARD_PROTO.sh

 1307 07:27:13.105251  ===========End Tests to run ===============

 1308 07:27:15.419077  [   62.553512] kselftest: Running tests in lkdtm

 1309 07:27:15.451019  TAP version 13

 1310 07:27:15.482983  1..70

 1311 07:27:15.531044  # selftests: lkdtm: PANIC.sh

 1312 07:27:16.089810  # Skipping PANIC: crashes entire system

 1313 07:27:16.105723  ok 1 selftests: lkdtm: PANIC.sh # SKIP

 1314 07:27:16.137765  # selftests: lkdtm: BUG.sh

 1315 07:27:16.542554  [   63.651326] lkdtm: Performing direct entry BUG

 1316 07:27:16.543087  [   63.656348] ------------[ cut here ]------------

 1317 07:27:16.543426  [   63.660996] kernel BUG at drivers/misc/lkdtm/bugs.c:76!

 1318 07:27:16.543744  [   63.666249] Internal error: Oops - BUG: 0 [#1] SMP ARM

 1319 07:27:16.585068  [   63.671400] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3

 1320 07:27:16.585253  [   63.700474] CPU: 3 PID: 693 Comm: cat Not tainted 5.10.180-cip33 #1

 1321 07:27:16.585355  [   63.706749] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 1322 07:27:16.585437  [   63.713295] PC is at lkdtm_BUG+0x14/0x18

 1323 07:27:16.585515  [   63.717227] LR is at lkdtm_do_action+0x2c/0x4c

 1324 07:27:16.585590  [   63.721680] pc : [<c0c548f4>]    lr : [<c0c54374>]    psr: a00e0013

 1325 07:27:16.585664  [   63.727955] sp : c5ee3e58  ip : c5ee3e68  fp : c5ee3e64

 1326 07:27:16.585736  [   63.733186] r10: 00000004  r9 : c1accfe4  r8 : c15e8cf8

 1327 07:27:16.628843  [   63.738418] r7 : c5ee3f60  r6 : 00000004  r5 : c6bef000  r4 : 00000001

 1328 07:27:16.629091  [   63.744951] r3 : c0c548e0  r2 : 9864547b  r1 : ef7c05e0  r0 : c15e8d00

 1329 07:27:16.629234  [   63.751488] Flags: NzCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 1330 07:27:16.629367  [   63.758631] Control: 10c5387d  Table: 15e7004a  DAC: 00000051

 1331 07:27:16.629490  [   63.764387] Process cat (pid: 693, stack limit = 0xc6e72e69)

 1332 07:27:16.629608  [   63.770054] Stack: (0xc5ee3e58 to 0xc5ee4000)

 1333 07:27:16.672178  [   63.774422] 3e40:                                                       c5ee3e74 c5ee3e68

 1334 07:27:16.672685  [   63.782611] 3e60: c0c54374 c0c548ec c5ee3e9c c5ee3e78 c0c54874 c0c54354 c0c54754 c693aa00

 1335 07:27:16.673006  [   63.790801] 3e80: b6e0e000 00000004 c3082240 c5ee3f60 c5ee3ec4 c5ee3ea0 c07e03d4 c0c54760

 1336 07:27:16.673301  [   63.798990] 3ea0: 00000000 c693aa00 b6e0e000 c2815800 c5ee3f60 c07e0370 c5ee3f5c c5ee3ec8

 1337 07:27:16.673583  [   63.807180] 3ec0: c059ac40 c07e037c 00000001 00000000 c059b1ec c13a0ff0 c059b1ec c5ee2000

 1338 07:27:16.673861  [   63.815368] 3ee0: b6e0e000 00020000 00000004 00000004 0001fffc c5ee3ee0 00000001 b6e0d000

 1339 07:27:16.715456  [   63.823556] 3f00: c5a65540 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 1340 07:27:16.715957  [   63.831746] 3f20: 00000000 00000000 c13a0ff0 9864547b c205dc60 c693aa00 c693aa00 c5ee2000

 1341 07:27:16.716274  [   63.839935] 3f40: b6e0e000 00000000 00000000 00000004 c5ee3f94 c5ee3f60 c059b1ec c059ab40

 1342 07:27:16.716570  [   63.848123] 3f60: 00000000 00000000 c5ee3fac 9864547b 00000004 00000004 b6f55e00 00000004

 1343 07:27:16.716854  [   63.856312] 3f80: c03002e4 c5ee2000 c5ee3fa4 c5ee3f98 c059b27c c059b184 00000000 c5ee3fa8

 1344 07:27:16.758715  [   63.864500] 3fa0: c03000c0 c059b270 00000004 00000004 00000001 b6e0e000 00000004 00000000

 1345 07:27:16.759216  [   63.872688] 3fc0: 00000004 00000004 b6f55e00 00000004 00000001 00000000 00020000 beea6ac4

 1346 07:27:16.759536  [   63.880876] 3fe0: 00000004 beea67f8 b6ebfd8f b6e467e6 800e0030 00000001 00000000 00000000

 1347 07:27:16.759829  [   63.889057] Backtrace: 

 1348 07:27:16.760112  [   63.891525] [<c0c548e0>] (lkdtm_BUG) from [<c0c54374>] (lkdtm_do_action+0x2c/0x4c)

 1349 07:27:16.760387  [   63.899111] [<c0c54348>] (lkdtm_do_action) from [<c0c54874>] (direct_entry+0x120/0x18c)

 1350 07:27:16.801929  [   63.907134] [<c0c54754>] (direct_entry) from [<c07e03d4>] (full_proxy_write+0x64/0x94)

 1351 07:27:16.802431  [   63.915065]  r9:c5ee3f60 r8:c3082240 r7:00000004 r6:b6e0e000 r5:c693aa00 r4:c0c54754

 1352 07:27:16.802782  [   63.922828] [<c07e0370>] (full_proxy_write) from [<c059ac40>] (vfs_write+0x10c/0x53c)

 1353 07:27:16.803078  [   63.930672]  r9:c07e0370 r8:c5ee3f60 r7:c2815800 r6:b6e0e000 r5:c693aa00 r4:00000000

 1354 07:27:16.803359  [   63.938428] [<c059ab34>] (vfs_write) from [<c059b1ec>] (ksys_write+0x74/0xec)

 1355 07:27:16.803674  [   63.945576]  r10:00000004 r9:00000000 r8:00000000 r7:b6e0e000 r6:c5ee2000 r5:c693aa00

 1356 07:27:16.845172  [   63.953411]  r4:c693aa00

 1357 07:27:16.845667  [   63.955958] [<c059b178>] (ksys_write) from [<c059b27c>] (sys_write+0x18/0x1c)

 1358 07:27:16.845990  [   63.963105]  r9:c5ee2000 r8:c03002e4 r7:00000004 r6:b6f55e00 r5:00000004 r4:00000004

 1359 07:27:16.846284  [   63.970862] [<c059b264>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 1360 07:27:16.846593  [   63.978439] Exception stack(0xc5ee3fa8 to 0xc5ee3ff0)

 1361 07:27:16.846879  [   63.983500] 3fa0:                   00000004 00000004 00000001 b6e0e000 00000004 00000000

 1362 07:27:16.888452  [   63.991688] 3fc0: 00000004 00000004 b6f55e00 00000004 00000001 00000000 00020000 beea6ac4

 1363 07:27:16.888955  [   63.999873] 3fe0: 00000004 beea67f8 b6ebfd8f b6e467e6

 1364 07:27:16.889275  [   64.004939] Code: e92dd800 e24cb004 e52de004 e8bd4000 (e7f001f2) 

 1365 07:27:16.889571  [   64.011047] ---[ end trace eec2cb921daffbbc ]---

 1366 07:27:16.889856  [   64.015675] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 1367 07:27:16.890133  [   64.024555] in_atomic(): 0, irqs_disabled(): 128, non_block: 0, pid: 693, name: cat

 1368 07:27:16.890403  [   64.032217] INFO: lockdep is turned off.

 1369 07:27:16.890702  [   64.036146] irq event stamp: 1614

 1370 07:27:16.931471  [   64.039480] hardirqs last  enabled at (1613): [<c03d6ce8>] console_unlock+0x4b0/0x6c0

 1371 07:27:16.931946  [   64.047323] hardirqs last disabled at (1614): [<c0300c60>] __und_svc+0x60/0x6c

 1372 07:27:16.932244  [   64.054555] softirqs last  enabled at (1412): [<c030219c>] __do_softirq+0x36c/0x5a0

 1373 07:27:16.932516  [   64.062222] softirqs last disabled at (1395): [<c035f968>] __irq_exit_rcu+0x178/0x1d0

 1374 07:27:16.932777  [   64.070061] CPU: 3 PID: 693 Comm: cat Tainted: G      D           5.10.180-cip33 #1

 1375 07:27:16.933034  [   64.077722] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 1376 07:27:16.974974  [   64.084254] Backtrace: 

 1377 07:27:16.975446  [   64.086728] [<c137df4c>] (dump_backtrace) from [<c137e30c>] (show_stack+0x20/0x24)

 1378 07:27:16.975747  [   64.094308]  r7:ffffffff r6:600e0093 r5:00000000 r4:c1f0fcb8

 1379 07:27:16.976020  [   64.099985] [<c137e2ec>] (show_stack) from [<c1385568>] (dump_stack+0xe0/0x100)

 1380 07:27:16.976282  [   64.107315] [<c1385488>] (dump_stack) from [<c038fb6c>] (___might_sleep+0x188/0x2e0)

 1381 07:27:16.976569  [   64.115072]  r9:600e0093 r8:0000000b r7:c035c4c4 r6:00000031 r5:c19c9470 r4:c5ee2000

 1382 07:27:17.018172  [   64.122828] [<c038f9e4>] (___might_sleep) from [<c038fd34>] (__might_sleep+0x70/0xb0)

 1383 07:27:17.018692  [   64.130667]  r6:00000000 r5:00000031 r4:c19c9470

 1384 07:27:17.019013  [   64.135303] [<c038fcc4>] (__might_sleep) from [<c036dadc>] (exit_signals+0x4c/0x420)

 1385 07:27:17.019306  [   64.143055]  r6:00000001 r5:c5ee2000 r4:c46da880

 1386 07:27:17.019586  [   64.147692] [<c036da90>] (exit_signals) from [<c035c4c4>] (do_exit+0x100/0xafc)

 1387 07:27:17.019865  [   64.155010]  r8:0000000b r7:c1e0f84c r6:ffffe000 r5:00000000 r4:c46da880

 1388 07:27:17.020137  [   64.161727] [<c035c3c4>] (do_exit) from [<c035e3c0>] (make_task_dead+0x68/0x74)

 1389 07:27:17.061406  [   64.169041]  r7:c1e0f84c

 1390 07:27:17.061880  [   64.171591] [<c035e358>] (make_task_dead) from [<c030e95c>] (die+0x370/0x37c)

 1391 07:27:17.062173  [   64.178739] [<c030e5ec>] (die) from [<c030ead8>] (do_undefinstr+0x170/0x240)

 1392 07:27:17.062445  [   64.185798]  r10:00000004 r9:c5ee2000 r8:c15e8cf8 r7:00000000 r6:c5ee3dc8 r5:c0c548f4

 1393 07:27:17.062729  [   64.193633]  r4:e7f001f2

 1394 07:27:17.062982  [   64.196180] [<c030e968>] (do_undefinstr) from [<c0300c6c>] (__und_svc_finish+0x0/0x54)

 1395 07:27:17.063232  [   64.204103] Exception stack(0xc5ee3dc8 to 0xc5ee3e10)

 1396 07:27:17.104642  [   64.209167] 3dc0:                   c15e8d00 ef7c05e0 9864547b c0c548e0 00000001 c6bef000

 1397 07:27:17.105118  [   64.217357] 3de0: 00000004 c5ee3f60 c15e8cf8 c1accfe4 00000004 c5ee3e64 c5ee3e68 c5ee3e58

 1398 07:27:17.105415  [   64.225543] 3e00: c0c54374 c0c548f4 a00e0013 ffffffff

 1399 07:27:17.105686  [   64.230605]  r7:c5ee3dfc r6:ffffffff r5:a00e0013 r4:c0c548f8

 1400 07:27:17.105948  [   64.236278] [<c0c548e0>] (lkdtm_BUG) from [<c0c54374>] (lkdtm_do_action+0x2c/0x4c)

 1401 07:27:17.106204  [   64.243859] [<c0c54348>] (lkdtm_do_action) from [<c0c54874>] (direct_entry+0x120/0x18c)

 1402 07:27:17.147893  [   64.251876] [<c0c54754>] (direct_entry) from [<c07e03d4>] (full_proxy_write+0x64/0x94)

 1403 07:27:17.148396  [   64.259803]  r9:c5ee3f60 r8:c3082240 r7:00000004 r6:b6e0e000 r5:c693aa00 r4:c0c54754

 1404 07:27:17.148713  [   64.267559] [<c07e0370>] (full_proxy_write) from [<c059ac40>] (vfs_write+0x10c/0x53c)

 1405 07:27:17.149005  [   64.275399]  r9:c07e0370 r8:c5ee3f60 r7:c2815800 r6:b6e0e000 r5:c693aa00 r4:00000000

 1406 07:27:17.149287  [   64.283154] [<c059ab34>] (vfs_write) from [<c059b1ec>] (ksys_write+0x74/0xec)

 1407 07:27:17.149562  [   64.290300]  r10:00000004 r9:00000000 r8:00000000 r7:b6e0e000 r6:c5ee2000 r5:c693aa00

 1408 07:27:17.149833  [   64.298135]  r4:c693aa00

 1409 07:27:17.191087  [   64.300681] [<c059b178>] (ksys_write) from [<c059b27c>] (sys_write+0x18/0x1c)

 1410 07:27:17.191584  [   64.307828]  r9:c5ee2000 r8:c03002e4 r7:00000004 r6:b6f55e00 r5:00000004 r4:00000004

 1411 07:27:17.191899  [   64.315583] [<c059b264>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 1412 07:27:17.192193  [   64.323158] Exception stack(0xc5ee3fa8 to 0xc5ee3ff0)

 1413 07:27:17.192471  [   64.328220] 3fa0:                   00000004 00000004 00000001 b6e0e000 00000004 00000000

 1414 07:27:17.211572  [   64.336407] 3fc0: 00000004 00000004 b6f55e00 00000004 00000001 00000000 00020000 beea6ac4

 1415 07:27:17.211748  [   64.344592] 3fe0: 00000004 beea67f8 b6ebfd8f b6e467e6

 1416 07:27:17.211818  # Segmentation fault

 1417 07:27:17.318943  # [   63.651326] lkdtm: Performing direct entry BUG

 1418 07:27:17.319374  # [   63.656348] ------------[ cut here ]------------

 1419 07:27:17.319641  # [   63.660996] kernel BUG at drivers/misc/lkdtm/bugs.c:76!

 1420 07:27:17.319890  # [   63.666249] Internal error: Oops - BUG: 0 [#1] SMP ARM

 1421 07:27:17.362691  # [   63.671400] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3

 1422 07:27:17.362779  # [   63.700474] CPU: 3 PID: 693 Comm: cat Not tainted 5.10.180-cip33 #1

 1423 07:27:17.362847  # [   63.706749] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 1424 07:27:17.362909  # [   63.713295] PC is at lkdtm_BUG+0x14/0x18

 1425 07:27:17.362970  # [   63.717227] LR is at lkdtm_do_action+0x2c/0x4c

 1426 07:27:17.363027  # [   63.721680] pc : [<c0c548f4>]    lr : [<c0c54374>]    psr: a00e0013

 1427 07:27:17.363085  # [   63.727955] sp : c5ee3e58  ip : c5ee3e68  fp : c5ee3e64

 1428 07:27:17.406707  # [   63.733186] r10: 00000004  r9 : c1accfe4  r8 : c15e8cf8

 1429 07:27:17.406791  # [   63.738418] r7 : c5ee3f60  r6 : 00000004  r5 : c6bef000  r4 : 00000001

 1430 07:27:17.406858  # [   63.744951] r3 : c0c548e0  r2 : 9864547b  r1 : ef7c05e0  r0 : c15e8d00

 1431 07:27:17.406919  # [   63.751488] Flags: NzCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 1432 07:27:17.406979  # [   63.758631] Control: 10c5387d  Table: 15e7004a  DAC: 00000051

 1433 07:27:17.407035  # [   63.764387] Process cat (pid: 693, stack limit = 0xc6e72e69)

 1434 07:27:17.407092  # [   63.770054] Stack: (0xc5ee3e58 to 0xc5ee4000)

 1435 07:27:17.451056  # [   63.774422] 3e40:                                                       c5ee3e74 c5ee3e68

 1436 07:27:17.451280  # [   63.782611] 3e60: c0c54374 c0c548ec c5ee3e9c c5ee3e78 c0c54874 c0c54354 c0c54754 c693aa00

 1437 07:27:17.451403  # [   63.790801] 3e80: b6e0e000 00000004 c3082240 c5ee3f60 c5ee3ec4 c5ee3ea0 c07e03d4 c0c54760

 1438 07:27:17.451515  # [   63.798990] 3ea0: 00000000 c693aa00 b6e0e000 c2815800 c5ee3f60 c07e0370 c5ee3f5c c5ee3ec8

 1439 07:27:17.451620  # [   63.807180] 3ec0: c059ac40 c07e037c 00000001 00000000 c059b1ec c13a0ff0 c059b1ec c5ee2000

 1440 07:27:17.495189  # [   63.815368] 3ee0: b6e0e000 00020000 00000004 00000004 0001fffc c5ee3ee0 00000001 b6e0d000

 1441 07:27:17.495690  # [   63.823556] 3f00: c5a65540 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 1442 07:27:17.496020  # [   63.831746] 3f20: 00000000 00000000 c13a0ff0 9864547b c205dc60 c693aa00 c693aa00 c5ee2000

 1443 07:27:17.496316  # [   63.839935] 3f40: b6e0e000 00000000 00000000 00000004 c5ee3f94 c5ee3f60 c059b1ec c059ab40

 1444 07:27:17.496600  # [   63.848123] 3f60: 00000000 00000000 c5ee3fac 9864547b 00000004 00000004 b6f55e00 00000004

 1445 07:27:17.539039  # [   63.856312] 3f80: c03002e4 c5ee2000 c5ee3fa4 c5ee3f98 c059b27c c059b184 00000000 c5ee3fa8

 1446 07:27:17.539539  # [   63.864500] 3fa0: c03000c0 c059b270 00000004 00000004 00000001 b6e0e000 00000004 00000000

 1447 07:27:17.539868  # [   63.872688] 3fc0: 00000004 00000004 b6f55e00 00000004 00000001 00000000 00020000 beea6ac4

 1448 07:27:17.540164  # [   63.880876] 3fe0: 00000004 beea67f8 b6ebfd8f b6e467e6 800e0030 00000001 00000000 00000000

 1449 07:27:17.540448  # [   63.889057] Backtrace: 

 1450 07:27:17.540725  # [   63.891525] [<c0c548e0>] (lkdtm_BUG) from [<c0c54374>] (lkdtm_do_action+0x2c/0x4c)

 1451 07:27:17.583058  # [   63.899111] [<c0c54348>] (lkdtm_do_action) from [<c0c54874>] (direct_entry+0x120/0x18c)

 1452 07:27:17.583559  # [   63.907134] [<c0c54754>] (direct_entry) from [<c07e03d4>] (full_proxy_write+0x64/0x94)

 1453 07:27:17.583888  # [   63.915065]  r9:c5ee3f60 r8:c3082240 r7:00000004 r6:b6e0e000 r5:c693aa00 r4:c0c54754

 1454 07:27:17.584186  # [   63.922828] [<c07e0370>] (full_proxy_write) from [<c059ac40>] (vfs_write+0x10c/0x53c)

 1455 07:27:17.584468  # [   63.930672]  r9:c07e0370 r8:c5ee3f60 r7:c2815800 r6:b6e0e000 r5:c693aa00 r4:00000000

 1456 07:27:17.584745  # [   63.938428] [<c059ab34>] (vfs_write) from [<c059b1ec>] (ksys_write+0x74/0xec)

 1457 07:27:17.626696  # [   63.945576]  r10:00000004 r9:00000000 r8:00000000 r7:b6e0e000 r6:c5ee2000 r5:c693aa00

 1458 07:27:17.626904  # [   63.953411]  r4:c693aa00

 1459 07:27:17.627021  # [   63.955958] [<c059b178>] (ksys_write) from [<c059b27c>] (sys_write+0x18/0x1c)

 1460 07:27:17.627097  # [   63.963105]  r9:c5ee2000 r8:c03002e4 r7:00000004 r6:b6f55e00 r5:00000004 r4:00000004

 1461 07:27:17.627196  # [   63.970862] [<c059b264>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 1462 07:27:17.627268  # [   63.978439] Exception stack(0xc5ee3fa8 to 0xc5ee3ff0)

 1463 07:27:17.671078  # [   63.983500] 3fa0:                   00000004 00000004 00000001 b6e0e000 00000004 00000000

 1464 07:27:17.671556  # [   63.991688] 3fc0: 00000004 00000004 b6f55e00 00000004 00000001 00000000 00020000 beea6ac4

 1465 07:27:17.671860  # [   63.999873] 3fe0: 00000004 beea67f8 b6ebfd8f b6e467e6

 1466 07:27:17.672170  # [   64.004939] Code: e92dd800 e24cb004 e52de004 e8bd4000 (e7f001f2) 

 1467 07:27:17.672450  # [   64.011047] ---[ end trace eec2cb921daffbbc ]---

 1468 07:27:17.672728  # [   64.015675] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 1469 07:27:17.715174  # [   64.024555] in_atomic(): 0, irqs_disabled(): 128, non_block: 0, pid: 693, name: cat

 1470 07:27:17.715669  # [   64.032217] INFO: lockdep is turned off.

 1471 07:27:17.715996  # [   64.036146] irq event stamp: 1614

 1472 07:27:17.716292  # [   64.039480] hardirqs last  enabled at (1613): [<c03d6ce8>] console_unlock+0x4b0/0x6c0

 1473 07:27:17.716575  # [   64.047323] hardirqs last disabled at (1614): [<c0300c60>] __und_svc+0x60/0x6c

 1474 07:27:17.716853  # [   64.054555] softirqs last  enabled at (1412): [<c030219c>] __do_softirq+0x36c/0x5a0

 1475 07:27:17.717123  # [   64.062222] softirqs last disabled at (1395): [<c035f968>] __irq_exit_rcu+0x178/0x1d0

 1476 07:27:17.759204  # [   64.070061] CPU: 3 PID: 693 Comm: cat Tainted: G      D           5.10.180-cip33 #1

 1477 07:27:17.759739  # [   64.077722] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 1478 07:27:17.760092  # [   64.084254] Backtrace: 

 1479 07:27:17.760410  # [   64.086728] [<c137df4c>] (dump_backtrace) from [<c137e30c>] (show_stack+0x20/0x24)

 1480 07:27:17.760716  # [   64.094308]  r7:ffffffff r6:600e0093 r5:00000000 r4:c1f0fcb8

 1481 07:27:17.761019  # [   64.099985] [<c137e2ec>] (show_stack) from [<c1385568>] (dump_stack+0xe0/0x100)

 1482 07:27:17.761316  # [   64.107315] [<c1385488>] (dump[   64.896542] lkdtm: Performing direct entry WARNING

 1483 07:27:17.803267  _stack) from [<c038fb6c>] (___mig[   64.901712] ------------[ cut here ]------------

 1484 07:27:17.803769  ht_sleep+0x188/0x2e0)

 1485 07:27:17.804091  # [   64.1[   64.909203] WARNING: CPU: 2 PID: 764 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x48/0x4c

 1486 07:27:17.847299  15072]  r9:600e0093 r8:0000000b r[   64.920454] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3

 1487 07:27:17.847825  7:c035c4c4 r6:00000031 r5:c19c947[   64.952160] CPU: 2 PID: 764 Comm: cat Tainted: G      D W         5.10.180-cip33 #1

 1488 07:27:17.848162  0 r4:c5ee2000

 1489 07:27:17.848464  # [   64.122828] [[   64.962630] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 1490 07:27:17.848751  <c038f9e4>] (___might_sleep) from[   64.972018] Backtrace: 

 1491 07:27:17.849027   [<c038fd34>] (__might_sleep+0x70[   64.977346] [<c137df4c>] (dump_backtrace) from [<c137e30c>] (show_stack+0x20/0x24)

 1492 07:27:17.849301  /0xb0)

 1493 07:27:17.891300  # [   64.130667]  r6:0000[   64.987764]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8

 1494 07:27:17.891799  0000 r5:00000031 r4:c19c9470

 1495 07:27:17.892130  # [[   64.996291] [<c137e2ec>] (show_stack) from [<c1385568>] (dump_stack+0xe0/0x100)

 1496 07:27:17.892426     64.135303] [<c038fcc4>] (__mig[   65.006462] [<c1385488>] (dump_stack) from [<c0356820>] (__warn+0x98/0x14c)

 1497 07:27:17.892712  ht_sleep) from [<c036dadc>] (exit[   65.016276]  r9:00000009 r8:c0c54940 r7:00000053 r6:00000009 r5:c0c54940 r4:c1acd6a0

 1498 07:27:17.893016  _signals+0x4c/0x420)

 1499 07:27:17.935264  # [   64.14[   65.026883] [<c0356788>] (__warn) from [<c137f448>] (warn_slowpath_fmt+0x8c/0xa8)

 1500 07:27:17.935800  3055]  r6:00000001 r5:c5ee2000 r4[   65.037223]  r7:00000053 r6:c1acd6a0 r5:00000000 r4:c68ce000

 1501 07:27:17.936163  :c46da880

 1502 07:27:17.936485  # [   64.147692] [<c03[   65.045747] [<c137f3c0>] (warn_slowpath_fmt) from [<c0c54940>] (lkdtm_WARNING+0x48/0x4c)

 1503 07:27:17.936796  6da90>] (exit_signals) from [<c03[   65.056694]  r9:c1accfe8 r8:c15e8cf8 r7:c68cff60 r6:00000008 r5:c6c23000 r4:00000002

 1504 07:27:17.937105  5c4c4>] (do_exit+0x100/0xafc)

 1505 07:27:17.979258  # [   65.067299] [<c0c548f8>] (lkdtm_WARNING) from [<c0c54374>] (lkdtm_do_action+0x2c/0x4c)

 1506 07:27:17.979795  [   64.155010]  r8:0000000b r7:c1[   65.078076] [<c0c54348>] (lkdtm_do_action) from [<c0c54874>] (direct_entry+0x120/0x18c)

 1507 07:27:17.980156  e0f84c r6:ffffe000 r5:00000000 r4[   65.088946] [<c0c54754>] (direct_entry) from [<c07e03d4>] (full_proxy_write+0x64/0x94)

 1508 07:27:17.980480  :c46da880

 1509 07:27:17.980787  # [   64.161727] [<c03[   65.099716]  r9:c68cff60 r8:c3082240 r7:00000008 r6:b6e37000 r5:c5c197c0 r4:c0c54754

 1510 07:27:18.023276  5c3c4>] (do_exit) from [<c035e3c0[   65.110329] [<c07e0370>] (full_proxy_write) from [<c059ac40>] (vfs_write+0x10c/0x53c)

 1511 07:27:18.023817  >] (make_task_dead+0x68/0x74)

 1512 07:27:18.024165  # [   65.121011]  r9:c07e0370 r8:c68cff60 r7:c2815800 r6:b6e37000 r5:c5c197c0 r4:00000000

 1513 07:27:18.024486  [   64.169041]  r7:c1e0f84c

 1514 07:27:18.024789  # [ [   65.131615] [<c059ab34>] (vfs_write) from [<c059b1ec>] (ksys_write+0x74/0xec)

 1515 07:27:18.025088    64.171591] [<c035e358>] (make_t[   65.141611]  r10:00000004 r9:00000000 r8:00000000 r7:b6e37000 r6:c68ce000 r5:c5c197c0

 1516 07:27:18.025386  ask_dead) from [<c030e95c>] (die+[   65.152295]  r4:c5c197c0

 1517 07:27:18.025676  0x370/0x37c)

 1518 07:27:18.067261  # [   64.178739] [<[   65.157697] [<c059b178>] (ksys_write) from [<c059b27c>] (sys_write+0x18/0x1c)

 1519 07:27:18.067801  c030e5ec>] (die) from [<c030ead8>[   65.167692]  r9:c68ce000 r8:c03002e4 r7:00000004 r6:b6f7ee00 r5:00000008 r4:00000008

 1520 07:27:18.068159  ] (do_undefinstr+0x170/0x240)

 1521 07:27:18.068476  # [   65.178299] [<c059b264>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 1522 07:27:18.068785  [   64.185798]  r10:00000004 r9:c[   65.188722] Exception stack(0xc68cffa8 to 0xc68cfff0)

 1523 07:27:18.110660  5ee2000 r8:c15e8cf8 r7:00000000 r[   65.196642] ffa0:                   00000008 00000008 00000001 b6e37000 00000008 00000000

 1524 07:27:18.110820  6:c5ee3dc8 r5:c0c548f4

 1525 07:27:18.110889  # [   64.[   65.207679] ffc0: 00000008 00000008 b6f7ee00 00000004 00000001 00000000 00020000 be996ac4

 1526 07:27:18.110953  193633]  r4:e7f001f2

 1527 07:27:18.111015  # [   64.19[   65.218712] ffe0: 00000004 be9967f8 b6ee8d8f b6e6f7e6

 1528 07:27:18.111088  6180] [<c030e968>] (do_undefinstr[   65.226701] irq event stamp: 0

 1529 07:27:18.111164  ) from [<c0300c6c>] (__und_svc_fi[   65.232580] hardirqs last  enabled at (0): [<00000000>] 0x0

 1530 07:27:18.111220  nish+0x0/0x54)

 1531 07:27:18.155182  # [   64.204103] [   65.241037] hardirqs last disabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 1532 07:27:18.155689  Exception stack(0xc5ee3dc8 to 0xc[   65.251397] softirqs last  enabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 1533 07:27:18.156015  5ee3e10)

 1534 07:27:18.156315  # [   64.209167] 3dc0: [   65.261712] softirqs last disabled at (0): [<00000000>] 0x0

 1535 07:27:18.156601                    c15e8d00 ef7c05[   65.270140] ---[ end trace eec2cb921daffbbd ]---

 1536 07:27:18.156880  e0 9864547b c0c548e0 00000001 c6bef000

 1537 07:27:18.157148  # [   64.217357] 3de0: 00000004 c5ee3f60 c15e8cf8 c1accfe4 00000004 c5ee3e64 c5ee3e68 c5ee3e58

 1538 07:27:18.199031  # [   64.225543] 3e00: c0c54374 c0c548f4 a00e0013 ffffffff

 1539 07:27:18.199532  # [   64.230605]  r7:c5ee3dfc r6:ffffffff r5:a00e0013 r4:c0c548f8

 1540 07:27:18.199860  # [   64.236278] [<c0c548e0>] (lkdtm_BUG) from [<c0c54374>] (lkdtm_do_action+0x2c/0x4c)

 1541 07:27:18.200153  # [   64.243859] [<c0c54348>] (lkdtm_do_action) from [<c0c54874>] (direct_entry+0x120/0x18c)

 1542 07:27:18.200437  # [   64.251876] [<c0c54754>] (direct_entry) from [<c07e03d4>] (full_proxy_write+0x64/0x94)

 1543 07:27:18.200716  # [   64.259803]  r9:c5ee3f60 r8:c3082240 r7:00000004 r6:b6e0e000 r5:c693aa00 r4:c0c54754

 1544 07:27:18.243204  # [   64.267559] [<c07e0370>] (full_proxy_write) from [<c059ac40>] (vfs_write+0x10c/0x53c)

 1545 07:27:18.243741  # [   64.275399]  r9:c07e0370 r8:c5ee3f60 r7:c2815800 r6:b6e0e000 r5:c693aa00 r4:00000000

 1546 07:27:18.244094  # [   64.283154] [<c059ab34>] (vfs_write) from [<c059b1ec>] (ksys_write+0x74/0xec)

 1547 07:27:18.244414  # [   64.290300]  r10:00000004 r9:00000000 r8:00000000 r7:b6e0e000 r6:c5ee2000 r5:c693aa00

 1548 07:27:18.244720  # [   64.298135]  r4:c693aa00

 1549 07:27:18.245018  # [   64.300681] [<c059b178>] (ksys_write) from [<c059b27c>] (sys_write+0x18/0x1c)

 1550 07:27:18.287025  # [   64.307828]  r9:c5ee2000 r8:c03002e4 r7:00000004 r6:b6f55e00 r5:00000004 r4:00000004

 1551 07:27:18.287555  # [   64.315583] [<c059b264>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 1552 07:27:18.287899  # [   64.323158] Exception stack(0xc5ee3fa8 to 0xc5ee3ff0)

 1553 07:27:18.288219  # [   64.328220] 3fa0:                   00000004 00000004 00000001 b6e0e000 00000004 00000000

 1554 07:27:18.288524  # [   64.336407] 3fc0: 00000004 00000004 b6f55e00 00000004 00000001 00000000 00020000 beea6ac4

 1555 07:27:18.288825  # [   64.344592] 3fe0: 00000004 beea67f8 b6ebfd8f b6e467e6

 1556 07:27:18.289117  # BUG: saw 'kernel BUG at': ok

 1557 07:27:18.331039  ok 2 selftests: lkdtm: BUG.sh

 1558 07:27:18.331502  # selftests: lkdtm: WARNING.sh

 1559 07:27:18.331792  # [   64.896542] lkdtm: Performing direct entry WARNING

 1560 07:27:18.332061  # [   64.901712] ------------[ cut here ]------------

 1561 07:27:18.332345  # [   64.909203] WARNING: CPU: 2 PID: 764 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x48/0x4c

 1562 07:27:18.374976  # [   64.920454] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3

 1563 07:27:18.375489  # [   64.952160] CPU: 2 PID: 764 Comm: cat Tainted: G      D W         5.10.180-cip33 #1

 1564 07:27:18.375809  # [   64.962630] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 1565 07:27:18.376104  # [   64.972018] Backtrace: 

 1566 07:27:18.376385  # [   64.977346] [<c137df4c>] (dump_backtrace) from [<c137e30c>] (show_stack+0x20/0x24)

 1567 07:27:18.376660  # [   64.987764]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8

 1568 07:27:18.418980  # [   64.996291] [<c137e2ec>] (show_stack) from [<c1385568>] (dump_stack+0xe0/0x100)

 1569 07:27:18.419480  # [   65.006462] [<c1385488>] (dump_stack) from [<c0356820>] (__warn+0x98/0x14c)

 1570 07:27:18.419796  # [   65.016276]  r9:00000009 r8:c0c54940 r7:00000053 r6:00000009 r5:c0c54940 r4:c1acd6a0

 1571 07:27:18.420089  # [   65.026883] [<c0356788>] (__warn) from [<c137f448>] (warn_slowpath_fmt+0x8c/0xa8)

 1572 07:27:18.420370  # [   65.037223]  r7:00000053 r6:c1acd6a0 r5:00000000 r4:c68ce000

 1573 07:27:18.420643  # [   65.045747] [<c137f3c0>] (warn_slowpath_fmt) from [<c0c54940>] (lkdtm_WARNING+0x48/0x4c)

 1574 07:27:18.463004  # [   65.056694]  r9:c1accfe8 r8:c15e8cf8 r7:c68cff60 r6:00000008 r5:c6c23000 r4:00000002

 1575 07:27:18.463508  # [   65.067299] [<c0c548f8>] (lkdtm_WARNING) from [<c0c54374>] (lkdtm_do_action+0x2c/0x4c)

 1576 07:27:18.463827  # [   65.078076] [<c0c54348>] (lkdtm_do_action) from [<c0c54874>] (direct_entry+0x120/0x18c)

 1577 07:27:18.464122  # [   65.088946] [<c0c54754>] (direct_entry) from [<c07e03d4>] (full_proxy_write+0x64/0x94)

 1578 07:27:18.464405  # [   65.099716]  r9:c68cff60 r8:c3082240 r7:00000008 r6:b6e37000 r5:c5c197c0 r4:c0c54754

 1579 07:27:18.507280  # [   65.110329] [<c07e0370>] (full_proxy_write) from [<c059ac40>] (vfs_write+0x10c/0x53c)

 1580 07:27:18.507783  # [   65.121011]  r9:c07e0370 r8:c68cff60 r7:c2815800 r6:b6e37000 r5:c5c197c0 r4:00000000

 1581 07:27:18.508109  # [   65.131615] [<c059ab34>] (vfs_write) from [<c059b1ec>] (ksys_write+0x74/0xec)

 1582 07:27:18.508401  # [   65.141611]  r10:00000004 r9:00000000 r8:00000000 r7:b6e37000 r6:c68ce000 r5:c5c197c0

 1583 07:27:18.508681  # [   65.152295]  r4:c5c197c0

 1584 07:27:18.508956  # [   65.157697] [<c059b178>] (ksys_write) from [<c059b27c>] (sys_write+0x18/0x1c)

 1585 07:27:18.551306  # [   65.167692]  r9:c68ce000 r8:c03002e4 r7:00000004 r6:b6f7ee00 r5:00000008 r4:00000008

 1586 07:27:18.551841  # [   65.178299] [<c059b264>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 1587 07:27:18.552193  # [   65.188722] Exception stack(0xc68cffa8 to 0xc68cfff0)

 1588 07:27:18.552516  # [   65.196642] ffa0:                   00000008 00000008 00000001 b6e37000 00000008 00000000

 1589 07:27:18.552826  # [   65.207679] ffc0: 00000008 00000008 b6f7ee00 00000004 00000001 00000000 00020000 be996ac4

 1590 07:27:18.553124  # [   65.218712] ffe0: 00000004 be9967f8 b6ee8d8f b6e6f7e6

 1591 07:27:18.553415  # [   65.226701] irq event stamp: 0

 1592 07:27:18.595196  # [   65.232580] hardirqs last  enabled at (0): [<00000000>] 0x0

 1593 07:27:18.595698  # [   65.241037] hardirqs last disabled at (0): [<c035[   65.682355] lkdtm: Performing direct entry WARNING_MESSAGE

 1594 07:27:18.596031  3d90>] copy_process+0x5f8/0x1944

 1595 07:27:18.596328  [   65.689798] ------------[ cut here ]------------

 1596 07:27:18.596609  

 1597 07:27:18.596883  # [   65.251397] softirqs last  [   65.697293] WARNING: CPU: 0 PID: 799 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x4c/0x54

 1598 07:27:18.597174  enabled at (0): [<c0353d90>] copy[   65.709305] Warning message trigger count: 2

 1599 07:27:18.597445  _process+0x5f8/0x1944

 1600 07:27:18.639263  # [   65.2[   65.718544] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3

 1601 07:27:18.639778  61712] softirqs last disabled at [   65.748172] CPU: 0 PID: 799 Comm: cat Tainted: G      D W         5.10.180-cip33 #1

 1602 07:27:18.683099  [   65.758637] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 1603 07:27:18.683595  [   65.765173] Backtrace: 

 1604 07:27:18.683919  [   65.767653] [<c137df4c>] (dump_backtrace) from [<c137e30c>] (show_stack+0x20/0x24)

 1605 07:27:18.684211  [   65.775235]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8

 1606 07:27:18.684492  [   65.780911] [<c137e2ec>] (show_stack) from [<c1385568>] (dump_stack+0xe0/0x100)

 1607 07:27:18.684769  [   65.788238] [<c1385488>] (dump_stack) from [<c0356820>] (__warn+0x98/0x14c)

 1608 07:27:18.685040  [   65.795213]  r9:00000009 r8:c0c54990 r7:00000058 r6:00000009 r5:c0c54990 r4:c1acd6a0

 1609 07:27:18.727292  [   65.802972] [<c0356788>] (__warn) from [<c137f448>] (warn_slowpath_fmt+0x8c/0xa8)

 1610 07:27:18.727797  [   65.810463]  r7:00000058 r6:c1acd6a0 r5:c1acd6bc r4:c5b0c000

 1611 07:27:18.728121  [   65.816142] [<c137f3c0>] (warn_slowpath_fmt) from [<c0c54990>] (lkdtm_WARNING_MESSAGE+0x4c/0x54)

 1612 07:27:18.728417  [   65.824937]  r9:c1accff0 r8:c15e8cf8 r7:c5b0df60 r6:00000010 r5:c6bc3000 r4:00000003

 1613 07:27:18.728697  [   65.832694] [<c0c54944>] (lkdtm_WARNING_MESSAGE) from [<c0c54374>] (lkdtm_do_action+0x2c/0x4c)

 1614 07:27:18.728972  [   65.841318] [<c0c54348>] (lkdtm_do_action) from [<c0c54874>] (direct_entry+0x120/0x18c)

 1615 07:27:18.771261  [   65.849339] [<c0c54754>] (direct_entry) from [<c07e03d4>] (full_proxy_write+0x64/0x94)

 1616 07:27:18.771795  [   65.857267]  r9:c5b0df60 r8:c3082240 r7:00000010 r6:b6e54000 r5:c5c032c0 r4:c0c54754

 1617 07:27:18.772147  [   65.865027] [<c07e0370>] (full_proxy_write) from [<c059ac40>] (vfs_write+0x10c/0x53c)

 1618 07:27:18.772467  [   65.872868]  r9:c07e0370 r8:c5b0df60 r7:c2815800 r6:b6e54000 r5:c5c032c0 r4:00000000

 1619 07:27:18.772770  [   65.880625] [<c059ab34>] (vfs_write) from [<c059b1ec>] (ksys_write+0x74/0xec)

 1620 07:27:18.815220  [   65.887771]  r10:00000004 r9:00000000 r8:00000000 r7:b6e54000 r6:c5b0c000 r5:c5c032c0

 1621 07:27:18.815754  [   65.895607]  r4:c5c032c0

 1622 07:27:18.816103  [   65.898152] [<c059b178>] (ksys_write) from [<c059b27c>] (sys_write+0x18/0x1c)

 1623 07:27:18.816423  [   65.905299]  r9:c5b0c000 r8:c03002e4 r7:00000004 r6:b6f9be00 r5:00000010 r4:00000010

 1624 07:27:18.816728  [   65.913057] [<c059b264>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 1625 07:27:18.817030  [   65.920634] Exception stack(0xc5b0dfa8 to 0xc5b0dff0)

 1626 07:27:18.817321  [   65.925698] dfa0:                   00000010 00000010 00000001 b6e54000 00000010 00000000

 1627 07:27:18.859051  [   65.933890] dfc0: 00000010 00000010 b6f9be00 00000004 00000001 00000000 00020000 bebe7ac4

 1628 07:27:18.859622  [   65.942075] dfe0: 00000004 bebe77f8 b6f05d8f b6e8c7e6

 1629 07:27:18.859993  (0): [<00000000>] 0x0

 1630 07:27:18.860311  # [   65.2[   65.947204] irq event stamp: 0

 1631 07:27:18.860617  70140] ---[ end trace eec2cb921da[   65.953128] hardirqs last  enabled at (0): [<00000000>] 0x0

 1632 07:27:18.860927  ffbbd ]---

 1633 07:27:18.861224  # WARNING: saw 'WARNI[   65.961589] hardirqs last disabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 1634 07:27:18.861521  NG:': ok

 1635 07:27:18.861813  ok 3 selftests: lkdtm: [   65.971955] softirqs last  enabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 1636 07:27:18.862103  WARNING.sh

 1637 07:27:18.862387  # selftests: lkdtm: W[   65.982320] softirqs last disabled at (0): [<00000000>] 0x0

 1638 07:27:18.862719  ARNING_MESSAGE.sh

 1639 07:27:18.862989  [   65.990766] ---[ end trace eec2cb921daffbbe ]---

 1640 07:27:18.947377  # [   65.682355] lkdtm: Performing direct entry WARNING_MESSAGE

 1641 07:27:18.947898  # [   65.689798] ------------[ cut here ]------------

 1642 07:27:18.948246  # [   65.697293] WARNING: CPU: 0 PID: 799 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x4c/0x54

 1643 07:27:18.948572  # [   65.709305] Warning message trigger count: 2

 1644 07:27:18.990208  # [   65.718544] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3

 1645 07:27:18.990790  # [   65.748172] CPU: 0 PID: 799 Comm: cat Tainted: G      D W         5.10.180-cip33 #1

 1646 07:27:18.991144  # [   65.758637] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 1647 07:27:18.991470  # [   65.765173] Backtrace: 

 1648 07:27:18.991777  # [   65.767653] [<c137df4c>] (dump_backtrace) from [<c137e30c>] (show_stack+0x20/0x24)

 1649 07:27:18.992083  # [   65.775235]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8

 1650 07:27:19.033252  # [   65.780911] [<c137e2ec>] (show_stack) from [<c1385568>] (dump_stack+0xe0/0x100)

 1651 07:27:19.033862  # [   65.788238] [<c1385488>] (dump_stack) from [<c0356820>] (__warn+0x98/0x14c)

 1652 07:27:19.034187  # [   65.795213]  r9:00000009 r8:c0c54990 r7:00000058 r6:00000009 r5:c0c54990 r4:c1acd6a0

 1653 07:27:19.034658  # [   65.802972] [<c0356788>] (__warn) from [<c137f448>] (warn_slowpath_fmt+0x8c/0xa8)

 1654 07:27:19.034993  # [   65.810463]  r7:00000058 r6:c1acd6a0 r5:c1acd6bc r4:c5b0c000

 1655 07:27:19.035351  # [   65.816142] [<c137f3c0>] (warn_slowpath_fmt) from [<c0c54990>] (lkdtm_WARNING_MESSAGE+0x4c/0x54)

 1656 07:27:19.076256  # [   65.824937]  r9:c1accff0 r8:c15e8cf8 r7:c5b0df60 r6:00000010 r5:c6bc3000 r4:00000003

 1657 07:27:19.076809  # [   65.832694] [<c0c54944>] (lkdtm_WARNING_MESSAGE) from [<c0c54374>] (lkdtm_do_action+0x2c/0x4c)

 1658 07:27:19.077132  # [   65.841318] [<c0c54348>] (lkdtm_do_action) from [<c0c54874>] (direct_entry+0x120/0x18c)

 1659 07:27:19.077428  # [   65.849339] [<c0c54754>] (direct_entry) from [<c07e03d4>] (full_proxy_write+0x64/0x94)

 1660 07:27:19.077807  # [   65.857267]  r9:c5b0df60 r8:c3082240 r7:00000010 r6:b6e54000 r5:c5c032c0 r4:c0c54754

 1661 07:27:19.119246  # [   65.865027] [<c07e0370>] (full_proxy_write) from [<c059ac40>] (vfs_write+0x10c/0x53c)

 1662 07:27:19.119861  # [   65.872868]  r9:c07e0370 r8:c5b0df60 r7:c2815800 r6:b6e54000 r5:c5c032c0 r4:00000000

 1663 07:27:19.120460  # [   65.880625] [<c059ab34>] (vfs_write) from [<c059b1ec>] (ksys_write+0x74/0xec)

 1664 07:27:19.121046  # [   65.887771]  r10:00000004 r9:00000000 r8:00000000 r7:b6e54000 r6:c5b0c000 r5:c5c032c0

 1665 07:27:19.121553  # [   65.895607]  r4:c5c032c0

 1666 07:27:19.121937  # [   65.898152] [<c059b178>] (ksys_write) from [<c059b27c>] (sys_write+0x18/0x1c)

 1667 07:27:19.166849  # [   65.905299]  r9:c5b0c000 r8:c03002e4 r7:00000004 r6:b6f9be00 r5:00000010 r4:00000010

 1668 07:27:19.167041  # [   65.913057] [<c059b264>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 1669 07:27:19.167145  # [   65.920634] Exception stack(0xc5b0dfa8 to 0xc5b0dff0)

 1670 07:27:19.167236  # [   65.925698] dfa0:                   00000010 00000010 00000001 b6e54000 00000010 00000000

 1671 07:27:19.167322  # [   65.933890] dfc0: 00000010 00000010 b6f9be00 00000004 00000001 00000000 00020000 bebe7ac4

 1672 07:27:19.167418  # [   65.942075] dfe0: 00000004 bebe77f8 b6f05d8f b6e8c7e6

 1673 07:27:19.167529  # [   65.947204] irq event stamp: 0

 1674 07:27:19.215903  # [   65.953128] hardirqs last  enabled at (0): [<00000000>] 0x0

 1675 07:27:19.216403  # [   65.961589] hardirqs last disabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 1676 07:27:19.216716  # [   65.971955] softirqs last  enabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 1677 07:27:19.217006  # [   65.982320] softirqs last disabled at (0): [<00000000>] 0x0

 1678 07:27:19.217287  # [   65.990766] ---[ end trace eec2cb921daffbbe ]---

 1679 07:27:19.217563  # WARNING_MESSAGE: saw 'message trigger': ok

 1680 07:27:19.217832  ok 4 selftests: lkdtm: WARNING_MESSAGE.sh

 1681 07:27:19.218098  # selftests: lkdtm: EXCEPTION.sh

 1682 07:27:19.296089  [   66.405924] lkdtm: Performing direct entry EXCEPTION

 1683 07:27:19.296268  [   66.411031] 8<--- cut here ---

 1684 07:27:19.296364  [   66.414103] Unable to handle kernel NULL pointer dereference at virtual address 00000000

 1685 07:27:19.296455  [   66.422253] pgd = 1d79727b

 1686 07:27:19.296543  [   66.425003] [00000000] *pgd=00000000

 1687 07:27:19.296630  [   66.428659] Internal error: Oops: 805 [#2] SMP ARM

 1688 07:27:19.339899  [   66.433465] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3

 1689 07:27:19.340416  [   66.462527] CPU: 2 PID: 831 Comm: cat Tainted: G      D W         5.10.180-cip33 #1

 1690 07:27:19.340738  [   66.470193] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 1691 07:27:19.341031  [   66.476739] PC is at lkdtm_EXCEPTION+0x18/0x20

 1692 07:27:19.341311  [   66.481193] LR is at lkdtm_do_action+0x2c/0x4c

 1693 07:27:19.341585  [   66.485647] pc : [<c0c549b0>]    lr : [<c0c54374>]    psr: a00e0013

 1694 07:27:19.383161  [   66.491921] sp : c5ee3e58  ip : c5ee3e68  fp : c5ee3e64

 1695 07:27:19.383696  [   66.497153] r10: 0000000a  r9 : c1acd000  r8 : c15e8cf8

 1696 07:27:19.384047  [   66.502386] r7 : c5ee3f60  r6 : 0000000a  r5 : c5e40000  r4 : 00000004

 1697 07:27:19.384369  [   66.508920] r3 : 00000000  r2 : 63d8488c  r1 : ef7ab5e0  r0 : c15e8d18

 1698 07:27:19.384679  [   66.515458] Flags: NzCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 1699 07:27:19.384976  [   66.522604] Control: 10c5387d  Table: 16e5004a  DAC: 00000051

 1700 07:27:19.385267  [   66.528361] Process cat (pid: 831, stack limit = 0xc6e72e69)

 1701 07:27:19.427028  [   66.534027] Stack: (0xc5ee3e58 to 0xc5ee4000)

 1702 07:27:19.427560  [   66.538394] 3e40:                                                       c5ee3e74 c5ee3e68

 1703 07:27:19.427915  [   66.546586] 3e60: c0c54374 c0c549a4 c5ee3e9c c5ee3e78 c0c54874 c0c54354 c0c54754 c5c023c0

 1704 07:27:19.428234  [   66.554774] 3e80: b6e37000 0000000a c3082240 c5ee3f60 c5ee3ec4 c5ee3ea0 c07e03d4 c0c54760

 1705 07:27:19.428536  [   66.562964] 3ea0: 00000000 c5c023c0 b6e37000 c2815800 c5ee3f60 c07e0370 c5ee3f5c c5ee3ec8

 1706 07:27:19.428834  [   66.571154] 3ec0: c059ac40 c07e037c 00000001 00000000 c059b1ec c13a0ff0 c059b1ec c5ee2000

 1707 07:27:19.471163  [   66.579342] 3ee0: b6e37000 00020000 00000004 0000000a 0001fff6 c5ee3ee0 00000001 b6e36000

 1708 07:27:19.471714  [   66.587530] 3f00: c5a64c80 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 1709 07:27:19.472066  [   66.595719] 3f20: 00000000 00000000 c13a0ff0 63d8488c c205dc60 c5c023c0 c5c023c0 c5ee2000

 1710 07:27:19.472385  [   66.603911] 3f40: b6e37000 00000000 00000000 00000004 c5ee3f94 c5ee3f60 c059b1ec c059ab40

 1711 07:27:19.472692  [   66.612100] 3f60: 00000000 00000000 c5ee3fac 63d8488c 0000000a 0000000a b6f7ee00 00000004

 1712 07:27:19.515156  [   66.620289] 3f80: c03002e4 c5ee2000 c5ee3fa4 c5ee3f98 c059b27c c059b184 00000000 c5ee3fa8

 1713 07:27:19.515690  [   66.628477] 3fa0: c03000c0 c059b270 0000000a 0000000a 00000001 b6e37000 0000000a 00000000

 1714 07:27:19.516041  [   66.636666] 3fc0: 0000000a 0000000a b6f7ee00 00000004 00000001 00000000 00020000 be8deac4

 1715 07:27:19.516360  [   66.644855] 3fe0: 00000004 be8de7f8 b6ee8d8f b6e6f7e6 800e0030 00000001 00000000 00000000

 1716 07:27:19.516665  [   66.653037] Backtrace: 

 1717 07:27:19.516968  [   66.655506] [<c0c54998>] (lkdtm_EXCEPTION) from [<c0c54374>] (lkdtm_do_action+0x2c/0x4c)

 1718 07:27:19.559176  [   66.663611] [<c0c54348>] (lkdtm_do_action) from [<c0c54874>] (direct_entry+0x120/0x18c)

 1719 07:27:19.559716  [   66.671635] [<c0c54754>] (direct_entry) from [<c07e03d4>] (full_proxy_write+0x64/0x94)

 1720 07:27:19.560070  [   66.679568]  r9:c5ee3f60 r8:c3082240 r7:0000000a r6:b6e37000 r5:c5c023c0 r4:c0c54754

 1721 07:27:19.560393  [   66.687330] [<c07e0370>] (full_proxy_write) from [<c059ac40>] (vfs_write+0x10c/0x53c)

 1722 07:27:19.560700  [   66.695172]  r9:c07e0370 r8:c5ee3f60 r7:c2815800 r6:b6e37000 r5:c5c023c0 r4:00000000

 1723 07:27:19.603165  [   66.702928] [<c059ab34>] (vfs_write) from [<c059b1ec>] (ksys_write+0x74/0xec)

 1724 07:27:19.603699  [   66.710076]  r10:00000004 r9:00000000 r8:00000000 r7:b6e37000 r6:c5ee2000 r5:c5c023c0

 1725 07:27:19.604052  [   66.717913]  r4:c5c023c0

 1726 07:27:19.604370  [   66.720460] [<c059b178>] (ksys_write) from [<c059b27c>] (sys_write+0x18/0x1c)

 1727 07:27:19.604681  [   66.727608]  r9:c5ee2000 r8:c03002e4 r7:00000004 r6:b6f7ee00 r5:0000000a r4:0000000a

 1728 07:27:19.604982  [   66.735370] [<c059b264>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 1729 07:27:19.605276  [   66.742947] Exception stack(0xc5ee3fa8 to 0xc5ee3ff0)

 1730 07:27:19.646725  [   66.748011] 3fa0:                   0000000a 0000000a 00000001 b6e37000 0000000a 00000000

 1731 07:27:19.646893  [   66.756198] 3fc0: 0000000a 0000000a b6f7ee00 00000004 00000001 00000000 00020000 be8deac4

 1732 07:27:19.646962  [   66.764383] 3fe0: 00000004 be8de7f8 b6ee8d8f b6e6f7e6

 1733 07:27:19.647025  [   66.769446] Code: e24cb004 e52de004 e8bd4000 e3a03000 (e5833000) 

 1734 07:27:19.647084  [   66.775616] ---[ end trace eec2cb921daffbbf ]---

 1735 07:27:19.647141  # Segmentation fault

 1736 07:27:19.748143  # [   66.405924] lkdtm: Performing direct entry EXCEPTION

 1737 07:27:19.748326  # [   66.411031] 8<--- cut here ---

 1738 07:27:19.748428  # [   66.414103] Unable to handle kernel NULL pointer dereference at virtual address 00000000

 1739 07:27:19.748522  # [   66.422253] pgd = 1d79727b

 1740 07:27:19.748617  # [   66.425003] [00000000] *pgd=00000000

 1741 07:27:19.748706  # [   66.428659] Internal error: Oops: 805 [#2] SMP ARM

 1742 07:27:19.791204  # [   66.433465] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3

 1743 07:27:19.791295  # [   66.462527] CPU: 2 PID: 831 Comm: cat Tainted: G      D W         5.10.180-cip33 #1

 1744 07:27:19.791365  # [   66.470193] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 1745 07:27:19.791433  # [   66.476739] PC is at lkdtm_EXCEPTION+0x18/0x20

 1746 07:27:19.791536  # [   66.481193] LR is at lkdtm_do_action+0x2c/0x4c

 1747 07:27:19.838998  # [   66.485647] pc : [<c0c549b0>]    lr : [<c0c54374>]    psr: a00e0013

 1748 07:27:19.839177  # [   66.491921] sp : c5ee3e58  ip : c5ee3e68  fp : c5ee3e64

 1749 07:27:19.839263  # [   66.497153] r10: 0000000a  r9 : c1acd000  r8 : c15e8cf8

 1750 07:27:19.839343  # [   66.502386] r7 : c5ee3f60  r6 : 0000000a  r5 : c5e40000  r4 : 00000004

 1751 07:27:19.839418  # [   66.508920] r3 : 00000000  r2 : 63d8488c  r1 : ef7ab5e0  r0 : c15e8d18

 1752 07:27:19.839491  # [   66.515458] Flags: NzCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 1753 07:27:19.839564  # [   66.522604] Control: 10c5387d  Table: 16e5004a  DAC: 00000051

 1754 07:27:19.882960  # [   66.528361] Process cat (pid: 831, stack limit = 0xc6e72e69)

 1755 07:27:19.883199  # [   66.534027] Stack: (0xc5ee3e58 to 0xc5ee4000)

 1756 07:27:19.883336  # [   66.538394] 3e40:                                                       c5ee3e74 c5ee3e68

 1757 07:27:19.883462  # [   66.546586] 3e60: c0c54374 c0c549a4 c5ee3e9c c5ee3e78 c0c54874 c0c54354 c0c54754 c5c023c0

 1758 07:27:19.883581  # [   66.554774] 3e80: b6e37000 0000000a c3082240 c5ee3f60 c5ee3ec4 c5ee3ea0 c07e03d4 c0c54760

 1759 07:27:19.883698  # [   66.562964] 3ea0: 00000000 c5c023c0 b6e37000 c2815800 c5ee3f60 c07e0370 c5ee3f5c c5ee3ec8

 1760 07:27:19.927022  # [   66.571154] 3ec0: c059ac40 c07e037c 00000001 00000000 c059b1ec c13a0ff0 c059b1ec c5ee2000

 1761 07:27:19.927543  # [   66.579342] 3ee0: b6e37000 00020000 00000004 0000000a 0001fff6 c5ee3ee0 00000001 b6e36000

 1762 07:27:19.927941  # [   66.587530] 3f00: c5a64c80 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 1763 07:27:19.928265  # [   66.595719] 3f20: 00000000 00000000 c13a0ff0 63d8488c c205dc60 c5c023c0 c5c023c0 c5ee2000

 1764 07:27:19.928572  # [   66.603911] 3f40: b6e37000 00000000 00000000 00000004 c5ee3f94 c5ee3f60 c059b1ec c059ab40

 1765 07:27:19.975042  # [   66.612100] 3f60: 00000000 00000000 c5ee3fac 63d8488c 0000000a 0000000a b6f7ee00 00000004

 1766 07:27:19.975586  # [   66.620289] 3f80: c03002e4 c5ee2000 c5ee3fa4 c5ee3f98 c059b27c c059b184 00000000 c5ee3fa8

 1767 07:27:19.975965  # [   66.628477] 3fa0: c03000c0 c059b270 0000000a 0000000a 00000001 b6e37000 0000000a 00000000

 1768 07:27:19.976345  # [   66.636666] 3fc0: 0000000a 0000000a b6f7ee00 00000004 00000001 00000000 00020000 be8deac4

 1769 07:27:19.976677  # [   66.644855] 3fe0: 00000004 be8de7f8 b6ee8d8f b6e6f7e6 800e0030 00000001 00000000 00000000

 1770 07:27:19.976984  # [   66.653037] Backtrace: 

 1771 07:27:20.019209  # [   66.655506] [<c0c54998>] (lkdtm_EXCEPTION) from [<c0c54374>] (lkdtm_do_action+0x2c/0x4c)

 1772 07:27:20.019746  # [   66.663611] [<c0c54348>] (lkdtm_do_action) from [<c0c54874>] (direct_entry+0x120/0x18c)

 1773 07:27:20.020096  # [   66.671635] [<c0c54754>] (direct_entry) from [<c07e03d4>] (full_proxy_write+0x64/0x94)

 1774 07:27:20.020415  # [   66.679568]  r9:c5ee3f60 r8:c3082240 r7:0000000a r6:b6e37000 r5:c5c023c0 r4:c0c54754

 1775 07:27:20.020721  # [   66.687330] [<c07e0370>] (full_proxy_write) from [<c059ac40>] (vfs_write+0x10c/0x53c)

 1776 07:27:20.063087  # [   66.695172]  r9:c07e0370 r8:c5ee3f60 r7:c2815800 r6:b6e37000 r5:c5c023c0 r4:00000000

 1777 07:27:20.063623  # [   66.702928] [<c059ab34>] (vfs_write) from [<c059b1ec>] (ksys_write+0x74/0xec)

 1778 07:27:20.063982  # [   66.710076]  r10:00000004 r9:00000000 r8:00000000 r7:b6e37000 r6:c5ee2000 r5:c5c023c0

 1779 07:27:20.064305  # [   66.717913]  r4:c5c023c0

 1780 07:27:20.064611  # [   66.720460] [<c059b178>] (ksys_write) from [<c059b27c>] (sys_write+0x18/0x1c)

 1781 07:27:20.064913  # [   66.727608]  r9:c5ee2000 r8:c03002e4 r7:00000004 r6:b6f7ee00 r5:0000000a r4:0000000a

 1782 07:27:20.065208  # [   66.735370] [<c059b264>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 1783 07:27:20.106981  # [   66.742947] Exception stack(0xc5ee3fa8 to 0xc5ee3ff0)

 1784 07:27:20.107516  # [   66.748011] 3fa0:                   0000000a 0000000a 00000001 b6e37000 0000000a 00000000

 1785 07:27:20.107933  # [   66.756198] 3fc0: 0000000a 0000000a b6f7ee00 00000004 00000001 00000000 00020000 be8deac4

 1786 07:27:20.108271  # [   66.764383] 3fe0: 00000004 be8de7f8 b6ee8d8f b6e6f7e6

 1787 07:27:20.108583  # [   66.769446] Code: e24cb004 e52de004 e8bd4000 e3a03000 (e5833000) 

 1788 07:27:20.108887  # [   66.775616] ---[ end trace eec2cb921daffbbf ]---

 1789 07:27:20.109184  # EXCEPTION: missing 'call trace:': [FAIL]

 1790 07:27:20.151047  not ok 5 selftests: lkdtm: EXCEPTION.sh # exit=1

 1791 07:27:20.151554  # selftests: lkdtm: LOOP.sh

 1792 07:27:20.151980  # Skipping LOOP: Hangs the system

 1793 07:27:20.152281  ok 6 selftests: lkdtm: LOOP.sh # SKIP

 1794 07:27:20.152631  # selftests: lkdtm: EXHAUST_STACK.sh

 1795 07:27:20.305428  # Skipping EXHAUST_STACK: Corrupts memory on failure

 1796 07:27:20.321120  ok 7 selftests: lkdtm: EXHAUST_STACK.sh # SKIP

 1797 07:27:20.337275  # selftests: lkdtm: CORRUPT_STACK.sh

 1798 07:27:20.538972  # Skipping CORRUPT_STACK: Crashes entire system on success

 1799 07:27:20.539515  ok 8 selftests: lkdtm: CORRUPT_STACK.sh # SKIP

 1800 07:27:20.554822  # selftests: lkdtm: CORRUPT_STACK_STRONG.sh

 1801 07:27:20.751387  # Skipping CORRUPT_STACK_STRONG: Crashes entire system on success

 1802 07:27:20.751913  ok 9 selftests: lkdtm: CORRUPT_STACK_STRONG.sh # SKIP

 1803 07:27:20.767421  # selftests: lkdtm: CORRUPT_LIST_ADD.sh

 1804 07:27:21.038567  [   68.158247] lkdtm: Performing direct entry CORRUPT_LIST_ADD

 1805 07:27:21.039104  [   68.163844] lkdtm: attempting good list addition

 1806 07:27:21.039425  [   68.168521] lkdtm: attempting corrupted list addition

 1807 07:27:21.039720  [   68.173588] lkdtm: list_add() corruption not detected!

 1808 07:27:21.131351  # [   68.158247] lkdtm: Performing direct entry CORRUPT_LIST_ADD

 1809 07:27:21.131882  # [   68.163844] lkdtm: attempting good list addition

 1810 07:27:21.132231  # [   68.168521] lkdtm: attempting corrupted list addition

 1811 07:27:21.132549  # [   68.173588] lkdtm: list_add() corruption not detected!

 1812 07:27:21.132849  # CORRUPT_LIST_ADD: missing 'list_add corruption': [FAIL]

 1813 07:27:21.163262  not ok 10 selftests: lkdtm: CORRUPT_LIST_ADD.sh # exit=1

 1814 07:27:21.195412  # selftests: lkdtm: CORRUPT_LIST_DEL.sh

 1815 07:27:21.460864  [   68.583263] lkdtm: Performing direct entry CORRUPT_LIST_DEL

 1816 07:27:21.461398  [   68.588927] lkdtm: attempting good list removal

 1817 07:27:21.461750  [   68.593471] lkdtm: attempting corrupted list removal

 1818 07:27:21.462067  [   68.598486] lkdtm: list_del() corruption not detected!

 1819 07:27:21.556705  # [   68.583263] lkdtm: Performing direct entry CORRUPT_LIST_DEL

 1820 07:27:21.557228  # [   68.588927] lkdtm: attempting good list removal

 1821 07:27:21.557566  # [   68.593471] lkdtm: attempting corrupted list removal

 1822 07:27:21.557873  # [   68.598486] lkdtm: list_del() corruption not detected!

 1823 07:27:21.558166  # CORRUPT_LIST_DEL: missing 'list_del corruption': [FAIL]

 1824 07:27:21.572367  not ok 11 selftests: lkdtm: CORRUPT_LIST_DEL.sh # exit=1

 1825 07:27:21.604582  # selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh

 1826 07:27:21.843479  [   68.965309] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING

 1827 07:27:21.843634  [   68.971669] lkdtm: attempting bad read from page below current stack

 1828 07:27:21.843701  [   68.978112] lkdtm: FAIL: accessed page before stack! (byte: 0)

 1829 07:27:21.923590  # [   68.965309] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING

 1830 07:27:21.924075  # [   68.971669] lkdtm: attempting bad read from page below current stack

 1831 07:27:21.924388  # [   68.978112] lkdtm: FAIL: accessed page before stack! (byte: 0)

 1832 07:27:21.939828  # STACK_GUARD_PAGE_LEADING: missing 'call trace:': [FAIL]

 1833 07:27:21.971517  not ok 12 selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh # exit=1

 1834 07:27:21.987680  # selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh

 1835 07:27:22.237234  [   69.357964] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING

 1836 07:27:22.237833  [   69.364343] lkdtm: attempting bad read from page above current stack

 1837 07:27:22.238185  [   69.370802] lkdtm: FAIL: accessed page after stack! (byte: 0)

 1838 07:27:22.332830  # [   69.357964] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING

 1839 07:27:22.333361  # [   69.364343] lkdtm: attempting bad read from page above current stack

 1840 07:27:22.333704  # [   69.370802] lkdtm: FAIL: accessed page after stack! (byte: 0)

 1841 07:27:22.334021  # STACK_GUARD_PAGE_TRAILING: missing 'call trace:': [FAIL]

 1842 07:27:22.357950  not ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # exit=1

 1843 07:27:22.373759  # selftests: lkdtm: UNSET_SMEP.sh

 1844 07:27:22.637725  [   69.770552] lkdtm: Performing direct entry UNSET_SMEP

 1845 07:27:22.637920  [   69.775712] lkdtm: XFAIL: this test is x86_64-only

 1846 07:27:22.709886  # [   69.770552] lkdtm: Performing direct entry UNSET_SMEP

 1847 07:27:22.710419  # [   69.775712] lkdtm: XFAIL: this test is x86_64-only

 1848 07:27:22.742079  # UNSET_SMEP: saw 'XFAIL': [SKIP]

 1849 07:27:22.757967  ok 14 selftests: lkdtm: UNSET_SMEP.sh # SKIP

 1850 07:27:22.789714  # selftests: lkdtm: DOUBLE_FAULT.sh

 1851 07:27:23.041045  [   70.173283] lkdtm: Performing direct entry DOUBLE_FAULT

 1852 07:27:23.041226  [   70.178677] lkdtm: XFAIL: this test is ia32-only

 1853 07:27:23.118894  # [   70.173283] lkdtm: Performing direct entry DOUBLE_FAULT

 1854 07:27:23.119272  # [   70.178677] lkdtm: XFAIL: this test is ia32-only

 1855 07:27:23.151000  # DOUBLE_FAULT: saw 'XFAIL': [SKIP]

 1856 07:27:23.183082  ok 15 selftests: lkdtm: DOUBLE_FAULT.sh # SKIP

 1857 07:27:23.214864  # selftests: lkdtm: CORRUPT_PAC.sh

 1858 07:27:23.479205  [   70.611282] lkdtm: Performing direct entry CORRUPT_PAC

 1859 07:27:23.479712  [   70.616471] lkdtm: XFAIL: this test is arm64-only

 1860 07:27:23.553270  # [   70.611282] lkdtm: Performing direct entry CORRUPT_PAC

 1861 07:27:23.553764  # [   70.616471] lkdtm: XFAIL: this test is arm64-only

 1862 07:27:23.585184  # CORRUPT_PAC: saw 'XFAIL': [SKIP]

 1863 07:27:23.617099  ok 16 selftests: lkdtm: CORRUPT_PAC.sh # SKIP

 1864 07:27:23.664994  # selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh

 1865 07:27:23.909059  [   71.038301] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE

 1866 07:27:23.909277  [   71.044768] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS

 1867 07:27:23.986248  # [   71.038301] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE

 1868 07:27:23.986816  # [   71.044768] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS

 1869 07:27:24.018178  # UNALIGNED_LOAD_STORE_WRITE: saw 'XFAIL': [SKIP]

 1870 07:27:24.048030  ok 17 selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh # SKIP

 1871 07:27:24.080005  # selftests: lkdtm: OVERWRITE_ALLOCATION.sh

 1872 07:27:24.282461  # Skipping OVERWRITE_ALLOCATION: Corrupts memory on failure

 1873 07:27:24.283031  ok 18 selftests: lkdtm: OVERWRITE_ALLOCATION.sh # SKIP

 1874 07:27:24.298327  # selftests: lkdtm: WRITE_AFTER_FREE.sh

 1875 07:27:24.490166  # Skipping WRITE_AFTER_FREE: Corrupts memory on failure

 1876 07:27:24.505829  ok 19 selftests: lkdtm: WRITE_AFTER_FREE.sh # SKIP

 1877 07:27:24.522060  # selftests: lkdtm: READ_AFTER_FREE.sh

 1878 07:27:24.780406  [   71.901386] lkdtm: Performing direct entry READ_AFTER_FREE

 1879 07:27:24.780934  [   71.906933] lkdtm: Value in memory before free: 12345678

 1880 07:27:24.781276  [   71.912440] lkdtm: Attempting bad read from freed memory

 1881 07:27:24.781594  [   71.917895] lkdtm: Memory was not poisoned

 1882 07:27:24.862275  # [   71.901386] lkdtm: Performing direct entry READ_AFTER_FREE

 1883 07:27:24.862852  # [   71.906933] lkdtm: Value in memory before free: 12345678

 1884 07:27:24.863199  # [   71.912440] lkdtm: Attempting bad read from freed memory

 1885 07:27:24.863514  # [   71.917895] lkdtm: Memory was not poisoned

 1886 07:27:24.877911  # READ_AFTER_FREE: missing 'call trace:': [FAIL]

 1887 07:27:24.909790  not ok 20 selftests: lkdtm: READ_AFTER_FREE.sh # exit=1

 1888 07:27:24.941702  # selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh

 1889 07:27:25.141317  # Skipping WRITE_BUDDY_AFTER_FREE: Corrupts memory on failure

 1890 07:27:25.141509  ok 21 selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # SKIP

 1891 07:27:25.156998  # selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh

 1892 07:27:25.412767  [   72.534219] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE

 1893 07:27:25.413326  [   72.540372] lkdtm: Value in memory before free: 12345678

 1894 07:27:25.413683  [   72.545725] lkdtm: Attempting to read from freed memory

 1895 07:27:25.414000  [   72.551140] lkdtm: Buddy page was not poisoned

 1896 07:27:25.503547  # [   72.534219] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE

 1897 07:27:25.504090  # [   72.540372] lkdtm: Value in memory before free: 12345678

 1898 07:27:25.504442  # [   72.545725] lkdtm: Attempting to read from freed memory

 1899 07:27:25.504762  # [   72.551140] lkdtm: Buddy page was not poisoned

 1900 07:27:25.519473  # READ_BUDDY_AFTER_FREE: missing 'call trace:': [FAIL]

 1901 07:27:25.547455  not ok 22 selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh # exit=1

 1902 07:27:25.563317  # selftests: lkdtm: SLAB_FREE_DOUBLE.sh

 1903 07:27:25.807500  [   72.940605] lkdtm: Performing direct entry SLAB_FREE_DOUBLE

 1904 07:27:25.807685  [   72.946217] lkdtm: Attempting double slab free ...

 1905 07:27:25.884654  # [   72.940605] lkdtm: Performing direct entry SLAB_FREE_DOUBLE

 1906 07:27:25.884978  # [   72.946217] lkdtm: Attempting double slab free ...

 1907 07:27:25.900706  # SLAB_FREE_DOUBLE: missing 'call trace:': [FAIL]

 1908 07:27:25.932539  not ok 23 selftests: lkdtm: SLAB_FREE_DOUBLE.sh # exit=1

 1909 07:27:25.964427  # selftests: lkdtm: SLAB_FREE_CROSS.sh

 1910 07:27:26.202242  [   73.334573] lkdtm: Performing direct entry SLAB_FREE_CROSS

 1911 07:27:26.202874  [   73.340285] lkdtm: Attempting cross-cache slab free ...

 1912 07:27:26.283675  # [   73.334573] lkdtm: Performing direct entry SLAB_FREE_CROSS

 1913 07:27:26.284203  # [   73.340285] lkdtm: Attempting cross-cache slab free ...

 1914 07:27:26.315880  # SLAB_FREE_CROSS: missing 'call trace:': [FAIL]

 1915 07:27:26.331858  not ok 24 selftests: lkdtm: SLAB_FREE_CROSS.sh # exit=1

 1916 07:27:26.363768  # selftests: lkdtm: SLAB_FREE_PAGE.sh

 1917 07:27:26.597660  [   73.730310] lkdtm: Performing direct entry SLAB_FREE_PAGE

 1918 07:27:26.597849  [   73.735767] lkdtm: Attempting non-Slab slab free ...

 1919 07:27:26.674989  # [   73.730310] lkdtm: Performing direct entry SLAB_FREE_PAGE

 1920 07:27:26.675371  # [   73.735767] lkdtm: Attempting non-Slab slab free ...

 1921 07:27:26.722786  # SLAB_FREE_PAGE: missing 'call trace:': [FAIL]

 1922 07:27:26.754892  not ok 25 selftests: lkdtm: SLAB_FREE_PAGE.sh # exit=1

 1923 07:27:26.770660  # selftests: lkdtm: SOFTLOCKUP.sh

 1924 07:27:26.992281  # Skipping SOFTLOCKUP: Hangs the system

 1925 07:27:26.992810  ok 26 selftests: lkdtm: SOFTLOCKUP.sh # SKIP

 1926 07:27:27.008348  # selftests: lkdtm: HARDLOCKUP.sh

 1927 07:27:27.199648  # Skipping HARDLOCKUP: Hangs the system

 1928 07:27:27.215893  ok 27 selftests: lkdtm: HARDLOCKUP.sh # SKIP

 1929 07:27:27.231570  # selftests: lkdtm: SPINLOCKUP.sh

 1930 07:27:27.434213  # Skipping SPINLOCKUP: Hangs the system

 1931 07:27:27.434832  ok 28 selftests: lkdtm: SPINLOCKUP.sh # SKIP

 1932 07:27:27.450167  # selftests: lkdtm: HUNG_TASK.sh

 1933 07:27:27.654983  # Skipping HUNG_TASK: Hangs the system

 1934 07:27:27.655562  ok 29 selftests: lkdtm: HUNG_TASK.sh # SKIP

 1935 07:27:27.670595  # selftests: lkdtm: EXEC_DATA.sh

 1936 07:27:27.944016  [   75.053267] lkdtm: Performing direct entry EXEC_DATA

 1937 07:27:27.944551  [   75.058321] lkdtm: attempting ok execution at c0c550e4

 1938 07:27:27.944897  [   75.063478] lkdtm: attempting bad execution at c26f892c

 1939 07:27:27.945215  [   75.068788] 8<--- cut here ---

 1940 07:27:27.945520  [   75.071856] Unable to handle kernel paging request at virtual address c26f892c

 1941 07:27:27.945822  [   75.079091] pgd = 69c8bd1c

 1942 07:27:27.946111  [   75.081806] [c26f892c] *pgd=1261141e(bad)

 1943 07:27:27.946398  [   75.085843] Internal error: Oops: 8000000d [#3] SMP ARM

 1944 07:27:27.987226  [   75.091078] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3

 1945 07:27:27.987774  [   75.120152] CPU: 1 PID: 1674 Comm: cat Tainted: G      D W         5.10.180-cip33 #1

 1946 07:27:27.988125  [   75.127902] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 1947 07:27:27.988450  [   75.134447] PC is at data_area+0x0/0x40

 1948 07:27:28.030413  [   75.138301] LR is at execute_location+0xa4/0xb4

 1949 07:27:28.030971  [   75.142841] pc : [<c26f892c>]    lr : [<c138bb38>]    psr: 600e0013

 1950 07:27:28.031322  [   75.149116] sp : c6957e38  ip : c6957d40  fp : c6957e54

 1951 07:27:28.031643  [   75.154348] r10: 0000000a  r9 : c1acd1e4  r8 : c15e8cf8

 1952 07:27:28.031948  [   75.159580] r7 : c6957f60  r6 : 00000001  r5 : c26f892c  r4 : c0c550e4

 1953 07:27:28.032250  [   75.166114] r3 : 0a37a751  r2 : 0a37a751  r1 : ef7965e0  r0 : 0000002b

 1954 07:27:28.032547  [   75.172650] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 1955 07:27:28.073725  [   75.179794] Control: 10c5387d  Table: 16cd804a  DAC: 00000051

 1956 07:27:28.074265  [   75.185549] Process cat (pid: 1674, stack limit = 0xefeb9716)

 1957 07:27:28.074667  [   75.191302] Stack: (0xc6957e38 to 0xc6958000)

 1958 07:27:28.075001  [   75.195671] 7e20:                                                       0000001f c5e44000

 1959 07:27:28.075312  [   75.203861] 7e40: 0000000a c6957f60 c6957e64 c6957e58 c138bca4 c138baa0 c6957e74 c6957e68

 1960 07:27:28.075620  [   75.212049] 7e60: c0c54374 c138bc8c c6957e9c c6957e78 c0c54874 c0c54354 c0c54754 c5aedcc0

 1961 07:27:28.116939  [   75.220238] 7e80: b6dc5000 0000000a c3082240 c6957f60 c6957ec4 c6957ea0 c07e03d4 c0c54760

 1962 07:27:28.117471  [   75.228426] 7ea0: 00000000 c5aedcc0 b6dc5000 c2815800 c6957f60 c07e0370 c6957f5c c6957ec8

 1963 07:27:28.117824  [   75.236613] 7ec0: c059ac40 c07e037c 00000001 00000000 c059b1ec c13a0ff0 c059b1ec c6956000

 1964 07:27:28.118149  [   75.244801] 7ee0: b6dc5000 00020000 00000004 0000000a 0001fff6 c6957ee0 00000001 b6dc4000

 1965 07:27:28.118456  [   75.252989] 7f00: c68e8500 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 1966 07:27:28.118789  [   75.261178] 7f20: 00000000 00000000 c13a0ff0 0a37a751 c205dc60 c5aedcc0 c5aedcc0 c6956000

 1967 07:27:28.159970  [   75.269368] 7f40: b6dc5000 00000000 00000000 00000004 c6957f94 c6957f60 c059b1ec c059ab40

 1968 07:27:28.160512  [   75.277557] 7f60: 00000000 00000000 c6957fac 0a37a751 0000000a 0000000a b6f0ce00 00000004

 1969 07:27:28.160864  [   75.285746] 7f80: c03002e4 c6956000 c6957fa4 c6957f98 c059b27c c059b184 00000000 c6957fa8

 1970 07:27:28.161185  [   75.293934] 7fa0: c03000c0 c059b270 0000000a 0000000a 00000001 b6dc5000 0000000a 00000000

 1971 07:27:28.161491  [   75.302123] 7fc0: 0000000a 0000000a b6f0ce00 00000004 00000001 00000000 00020000 bea53ac4

 1972 07:27:28.203396  [   75.310310] 7fe0: 00000004 bea537f8 b6e76d8f b6dfd7e6 800e0030 00000001 00000000 00000000

 1973 07:27:28.203931  [   75.318493] Backtrace: 

 1974 07:27:28.204273  [   75.320966] [<c138ba94>] (execute_location) from [<c138bca4>] (lkdtm_EXEC_DATA+0x24/0x28)

 1975 07:27:28.204592  [   75.329156]  r7:c6957f60 r6:0000000a r5:c5e44000 r4:0000001f

 1976 07:27:28.204897  [   75.334833] [<c138bc80>] (lkdtm_EXEC_DATA) from [<c0c54374>] (lkdtm_do_action+0x2c/0x4c)

 1977 07:27:28.205201  [   75.342936] [<c0c54348>] (lkdtm_do_action) from [<c0c54874>] (direct_entry+0x120/0x18c)

 1978 07:27:28.246623  [   75.350957] [<c0c54754>] (direct_entry) from [<c07e03d4>] (full_proxy_write+0x64/0x94)

 1979 07:27:28.247162  [   75.358886]  r9:c6957f60 r8:c3082240 r7:0000000a r6:b6dc5000 r5:c5aedcc0 r4:c0c54754

 1980 07:27:28.247507  [   75.366647] [<c07e0370>] (full_proxy_write) from [<c059ac40>] (vfs_write+0x10c/0x53c)

 1981 07:27:28.247827  [   75.374489]  r9:c07e0370 r8:c6957f60 r7:c2815800 r6:b6dc5000 r5:c5aedcc0 r4:00000000

 1982 07:27:28.248133  [   75.382247] [<c059ab34>] (vfs_write) from [<c059b1ec>] (ksys_write+0x74/0xec)

 1983 07:27:28.248435  [   75.389397]  r10:00000004 r9:00000000 r8:00000000 r7:b6dc5000 r6:c6956000 r5:c5aedcc0

 1984 07:27:28.289799  [   75.397233]  r4:c5aedcc0

 1985 07:27:28.290327  [   75.399780] [<c059b178>] (ksys_write) from [<c059b27c>] (sys_write+0x18/0x1c)

 1986 07:27:28.290707  [   75.406927]  r9:c6956000 r8:c03002e4 r7:00000004 r6:b6f0ce00 r5:0000000a r4:0000000a

 1987 07:27:28.291035  [   75.414688] [<c059b264>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 1988 07:27:28.291346  [   75.422263] Exception stack(0xc6957fa8 to 0xc6957ff0)

 1989 07:27:28.291649  [   75.427325] 7fa0:                   0000000a 0000000a 00000001 b6dc5000 0000000a 00000000

 1990 07:27:28.320757  [   75.435513] 7fc0: 0000000a 0000000a b6f0ce00 00000004 00000001 00000000 00020000 bea53ac4

 1991 07:27:28.320935  [   75.443700] 7fe0: 00000004 bea537f8 b6e76d8f b6dfd7e6

 1992 07:27:28.321031  [   75.448765] Code: 00000000 c2c066c0 c2c06780 c2c06840 (e1a0c00d) 

 1993 07:27:28.321160  [   75.454872] ---[ end trace eec2cb921daffbc0 ]---

 1994 07:27:28.321249  # Segmentation fault

 1995 07:27:28.459960  # [   75.053267] lkdtm: Performing direct entry EXEC_DATA

 1996 07:27:28.460149  # [   75.058321] lkdtm: attempting ok execution at c0c550e4

 1997 07:27:28.460249  # [   75.063478] lkdtm: attempting bad execution at c26f892c

 1998 07:27:28.460346  # [   75.068788] 8<--- cut here ---

 1999 07:27:28.460438  # [   75.071856] Unable to handle kernel paging request at virtual address c26f892c

 2000 07:27:28.460531  # [   75.079091] pgd = 69c8bd1c

 2001 07:27:28.460618  # [   75.081806] [c26f892c] *pgd=1261141e(bad)

 2002 07:27:28.460709  # [   75.085843] Internal error: Oops: 8000000d [#3] SMP ARM

 2003 07:27:28.503006  # [   75.091078] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3

 2004 07:27:28.503092  # [   75.120152] CPU: 1 PID: 1674 Comm: cat Tainted: G      D W         5.10.180-cip33 #1

 2005 07:27:28.503161  # [   75.127902] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 2006 07:27:28.546075  # [   75.134447] PC is at data_area+0x0/0x40

 2007 07:27:28.546186  # [   75.138301] LR is at execute_location+0xa4/0xb4

 2008 07:27:28.546283  # [   75.142841] pc : [<c26f892c>]    lr : [<c138bb38>]    psr: 600e0013

 2009 07:27:28.546376  # [   75.149116] sp : c6957e38  ip : c6957d40  fp : c6957e54

 2010 07:27:28.546466  # [   75.154348] r10: 0000000a  r9 : c1acd1e4  r8 : c15e8cf8

 2011 07:27:28.546550  # [   75.159580] r7 : c6957f60  r6 : 00000001  r5 : c26f892c  r4 : c0c550e4

 2012 07:27:28.546610  # [   75.166114] r3 : 0a37a751  r2 : 0a37a751  r1 : ef7965e0  r0 : 0000002b

 2013 07:27:28.546667  # [   75.172650] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 2014 07:27:28.589139  # [   75.179794] Control: 10c5387d  Table: 16cd804a  DAC: 00000051

 2015 07:27:28.589223  # [   75.185549] Process cat (pid: 1674, stack limit = 0xefeb9716)

 2016 07:27:28.589291  # [   75.191302] Stack: (0xc6957e38 to 0xc6958000)

 2017 07:27:28.589354  # [   75.195671] 7e20:                                                       0000001f c5e44000

 2018 07:27:28.589415  # [   75.203861] 7e40: 0000000a c6957f60 c6957e64 c6957e58 c138bca4 c138baa0 c6957e74 c6957e68

 2019 07:27:28.589475  # [   75.212049] 7e60: c0c54374 c138bc8c c6957e9c c6957e78 c0c54874 c0c54354 c0c54754 c5aedcc0

 2020 07:27:28.632314  # [   75.220238] 7e80: b6dc5000 0000000a c3082240 c6957f60 c6957ec4 c6957ea0 c07e03d4 c0c54760

 2021 07:27:28.632501  # [   75.228426] 7ea0: 00000000 c5aedcc0 b6dc5000 c2815800 c6957f60 c07e0370 c6957f5c c6957ec8

 2022 07:27:28.632597  # [   75.236613] 7ec0: c059ac40 c07e037c 00000001 00000000 c059b1ec c13a0ff0 c059b1ec c6956000

 2023 07:27:28.632703  # [   75.244801] 7ee0: b6dc5000 00020000 00000004 0000000a 0001fff6 c6957ee0 00000001 b6dc4000

 2024 07:27:28.632791  # [   75.252989] 7f00: c68e8500 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 2025 07:27:28.675906  # [   75.261178] 7f20: 00000000 00000000 c13a0ff0 0a37a751 c205dc60 c5aedcc0 c5aedcc0 c6956000

 2026 07:27:28.676381  # [   75.269368] 7f40: b6dc5000 00000000 00000000 00000004 c6957f94 c6957f60 c059b1ec c059ab40

 2027 07:27:28.676680  # [   75.277557] 7f60: 00000000 00000000 c6957fac 0a37a751 0000000a 0000000a b6f0ce00 00000004

 2028 07:27:28.676957  # [   75.285746] 7f80: c03002e4 c6956000 c6957fa4 c6957f98 c059b27c c059b184 00000000 c6957fa8

 2029 07:27:28.677219  # [   75.293934] 7fa0: c03000c0 c059b270 0000000a 0000000a 00000001 b6dc5000 0000000a 00000000

 2030 07:27:28.718747  # [   75.302123] 7fc0: 0000000a 0000000a b6f0ce00 00000004 00000001 00000000 00020000 bea53ac4

 2031 07:27:28.719244  # [   75.310310] 7fe0: 00000004 bea537f8 b6e76d8f b6dfd7e6 800e0030 00000001 00000000 00000000

 2032 07:27:28.719569  # [   75.318493] Backtrace: 

 2033 07:27:28.719865  # [   75.320966] [<c138ba94>] (execute_location) from [<c138bca4>] (lkdtm_EXEC_DATA+0x24/0x28)

 2034 07:27:28.720150  # [   75.329156]  r7:c6957f60 r6:0000000a r5:c5e44000 r4:0000001f

 2035 07:27:28.720427  # [   75.334833] [<c138bc80>] (lkdtm_EXEC_DATA) from [<c0c54374>] (lkdtm_do_action+0x2c/0x4c)

 2036 07:27:28.761773  # [   75.342936] [<c0c54348>] (lkdtm_do_action) from [<c0c54874>] (direct_entry+0x120/0x18c)

 2037 07:27:28.762270  # [   75.350957] [<c0c54754>] (direct_entry) from [<c07e03d4>] (full_proxy_write+0x64/0x94)

 2038 07:27:28.762617  # [   75.358886]  r9:c6957f60 r8:c3082240 r7:0000000a r6:b6dc5000 r5:c5aedcc0 r4:c0c54754

 2039 07:27:28.762918  # [   75.366647] [<c07e0370>] (full_proxy_write) from [<c059ac40>] (vfs_write+0x10c/0x53c)

 2040 07:27:28.763205  # [   75.374489]  r9:c07e0370 r8:c6957f60 r7:c2815800 r6:b6dc5000 r5:c5aedcc0 r4:00000000

 2041 07:27:28.763482  # [   75.382247] [<c059ab34>] (vfs_write) from [<c059b1ec>] (ksys_write+0x74/0xec)

 2042 07:27:28.804845  # [   75.389397]  r10:00000004 r9:00000000 r8:00000000 r7:b6dc5000 r6:c6956000 r5:c5aedcc0

 2043 07:27:28.805347  # [   75.397233]  r4:c5aedcc0

 2044 07:27:28.805668  # [   75.399780] [<c059b178>] (ksys_write) from [<c059b27c>] (sys_write+0x18/0x1c)

 2045 07:27:28.805964  # [   75.406927]  r9:c6956000 r8:c03002e4 r7:00000004 r6:b6f0ce00 r5:0000000a r4:0000000a

 2046 07:27:28.806244  # [   75.414688] [<c059b264>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 2047 07:27:28.806544  # [   75.422263] Exception stack(0xc6957fa8 to 0xc6957ff0)

 2048 07:27:28.848290  # [   75.427325] 7fa0:                   0000000a 0000000a 00000001 b6dc5000 0000000a 00000000

 2049 07:27:28.848793  # [   75.435513] 7fc0: 0000000a 0000000a b6f0ce00 00000004 00000001 00000000 00020000 bea53ac4

 2050 07:27:28.849112  # [   75.443700] 7fe0: 00000004 bea537f8 b6e76d8f b6dfd7e6

 2051 07:27:28.849404  # [   75.448765] Code: 00000000 c2[   75.975341] lkdtm: Performing direct entry EXEC_STACK

 2052 07:27:28.849685  c066c0 c2c06780 c2c06840 (e1a0c00[   75.981960] lkdtm: attempting ok execution at c0c550e4

 2053 07:27:28.849963  d) 

 2054 07:27:28.850232  # [   75.454872] ---[ end tr[   75.990050] lkdtm: attempting bad execution at c691fe0c

 2055 07:27:28.850503  ace eec2cb921daffbc0 ]---

 2056 07:27:28.891602  # EXEC[   75.998069] 8<--- cut here ---

 2057 07:27:28.892134  _DATA: missing 'call trace:[' :  76.003893] Unable to handle kernel paging request at virtual address c691fe0c

 2058 07:27:28.892485  [FAIL]

 2059 07:27:28.892803  not ok 30 sel[f t e s7t6s013635] pgd = 94a17a0b

 2060 07:27:28.893113  : lkdtm: EXEC_DATA.sh # exit=1

 2061 07:27:28.893410  #[   76.018602] [c691fe0c] *pgd=1681141e(bad)

 2062 07:27:28.893706   selftests: lkdtm: EXEC_STACK.sh

 2063 07:27:28.893995  [   76.025492] Internal error: Oops: 8000000d [#4] SMP ARM

 2064 07:27:28.894282  

 2065 07:27:28.935114  [   76.033574] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3

 2066 07:27:28.935607  [   76.062856] CPU: 3 PID: 1750 Comm: cat Tainted: G      D W         5.10.180-cip33 #1

 2067 07:27:28.935952  [   76.070620] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 2068 07:27:28.936248  [   76.077176] PC is at 0xc691fe0c

 2069 07:27:28.936531  [   76.080359] LR is at execute_location+0xa4/0xb4

 2070 07:27:28.979035  [   76.084916] pc : [<c691fe0c>]    lr : [<c138bb38>]    psr: 600e0013

 2071 07:27:28.979540  [   76.091204] sp : c691fde8  ip : c691fcf0  fp : c691fe04

 2072 07:27:28.979867  [   76.096448] r10: 0000000b  r9 : c1acd1f0  r8 : c15e8cf8

 2073 07:27:28.980160  [   76.101696] r7 : c691ff60  r6 : 00000001  r5 : c691fe0c  r4 : c0c550e4

 2074 07:27:28.980440  [   76.108245] r3 : 79d2a9af  r2 : 79d2a9af  r1 : ef7c05e0  r0 : 0000002b

 2075 07:27:28.980716  [   76.114798] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 2076 07:27:28.980988  [   76.121957] Control: 10c5387d  Table: 15e7004a  DAC: 00000051

 2077 07:27:29.023139  [   76.127726] Process cat (pid: 1750, stack limit = 0x30131618)

 2078 07:27:29.023642  [   76.133497] Stack: (0xc691fde8 to 0xc6920000)

 2079 07:27:29.023972  [   76.137888] fde0:                   c691e000 c6bfd000 0000000b c691ff60 c691fe64 c691fe08

 2080 07:27:29.024295  [   76.146096] fe00: c138bce0 c138baa0 c691fe6c e1a0c00d e92dd800 e24cb004 e52de004 e8bd4000

 2081 07:27:29.024606  [   76.154303] fe20: e89da800 e1a0c00d e92dd830 e24cb004 e52de004 e8bd4000 e30d3374 e34c31b7

 2082 07:27:29.024911  [   76.162511] fe40: e3a02040 e3a01d33 e5930018 79d2a9af 0000000b 00000020 c691fe74 c691fe68

 2083 07:27:29.067189  [   76.170718] fe60: c0c54374 c138bcb4 c691fe9c c691fe78 c0c54874 c0c54354 c0c54754 c68e9a40

 2084 07:27:29.067720  [   76.178924] fe80: b6e74000 0000000b c3082240 c691ff60 c691fec4 c691fea0 c07e03d4 c0c54760

 2085 07:27:29.068075  [   76.187131] fea0: 00000000 c68e9a40 b6e74000 c2815800 c691ff60 c07e0370 c691ff5c c691fec8

 2086 07:27:29.068396  [   76.195342] fec0: c059ac40 c07e037c 00000001 00000000 c059b1ec c13a0ff0 c059b1ec c691e000

 2087 07:27:29.068704  [   76.203548] fee0: b6e74000 00020000 00000004 0000000b 0001fff5 c691fee0 00000001 b6e73000

 2088 07:27:29.111166  [   76.211754] ff00: c5c5c140 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 2089 07:27:29.111701  [   76.219962] ff20: 00000000 00000000 c13a0ff0 79d2a9af c205dc60 c68e9a40 c68e9a40 c691e000

 2090 07:27:29.112061  [   76.228170] ff40: b6e74000 00000000 00000000 00000004 c691ff94 c691ff60 c059b1ec c059ab40

 2091 07:27:29.112384  [   76.236378] ff60: 00000000 00000000 c691ffac 79d2a9af 0000000b 0000000b b6fbbe00 00000004

 2092 07:27:29.112692  [   76.244586] ff80: c03002e4 c691e000 c691ffa4 c691ff98 c059b27c c059b184 00000000 c691ffa8

 2093 07:27:29.112994  [   76.252794] ffa0: c03000c0 c059b270 0000000b 0000000b 00000001 b6e74000 0000000b 00000000

 2094 07:27:29.155129  [   76.261003] ffc0: 0000000b 0000000b b6fbbe00 00000004 00000001 00000000 00020000 be8ceac4

 2095 07:27:29.155663  [   76.269210] ffe0: 00000004 be8ce7f8 b6f25d8f b6eac7e6 800e0030 00000001 00000000 00000000

 2096 07:27:29.156019  [   76.277406] Backtrace: 

 2097 07:27:29.156339  [   76.279916] [<c138ba94>] (execute_location) from [<c138bce0>] (lkdtm_EXEC_STACK+0x38/0x54)

 2098 07:27:29.156649  [   76.288215]  r7:c691ff60 r6:0000000b r5:c6bfd000 r4:c691e000

 2099 07:27:29.156951  [   76.293915] [<c138bca8>] (lkdtm_EXEC_STACK) from [<c0c54374>] (lkdtm_do_action+0x2c/0x4c)

 2100 07:27:29.157246  [   76.302114]  r4:00000020

 2101 07:27:29.199156  [   76.304681] [<c0c54348>] (lkdtm_do_action) from [<c0c54874>] (direct_entry+0x120/0x18c)

 2102 07:27:29.199691  [   76.312725] [<c0c54754>] (direct_entry) from [<c07e03d4>] (full_proxy_write+0x64/0x94)

 2103 07:27:29.200047  [   76.320672]  r9:c691ff60 r8:c3082240 r7:0000000b r6:b6e74000 r5:c68e9a40 r4:c0c54754

 2104 07:27:29.200367  [   76.328456] [<c07e0370>] (full_proxy_write) from [<c059ac40>] (vfs_write+0x10c/0x53c)

 2105 07:27:29.200674  [   76.336316]  r9:c07e0370 r8:c691ff60 r7:c2815800 r6:b6e74000 r5:c68e9a40 r4:00000000

 2106 07:27:29.243165  [   76.344092] [<c059ab34>] (vfs_write) from [<c059b1ec>] (ksys_write+0x74/0xec)

 2107 07:27:29.243704  [   76.351256]  r10:00000004 r9:00000000 r8:00000000 r7:b6e74000 r6:c691e000 r5:c68e9a40

 2108 07:27:29.244061  [   76.359105]  r4:c68e9a40

 2109 07:27:29.244379  [   76.361670] [<c059b178>] (ksys_write) from [<c059b27c>] (sys_write+0x18/0x1c)

 2110 07:27:29.244685  [   76.368834]  r9:c691e000 r8:c03002e4 r7:00000004 r6:b6fbbe00 r5:0000000b r4:0000000b

 2111 07:27:29.244988  [   76.376612] [<c059b264>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 2112 07:27:29.245280  [   76.384201] Exception stack(0xc691ffa8 to 0xc691fff0)

 2113 07:27:29.286765  [   76.389280] ffa0:                   0000000b 0000000b 00000001 b6e74000 0000000b 00000000

 2114 07:27:29.286953  [   76.397486] ffc0: 0000000b 0000000b b6fbbe00 00000004 00000001 00000000 00020000 be8ceac4

 2115 07:27:29.287032  [   76.405687] ffe0: 00000004 be8ce7f8 b6f25d8f b6eac7e6

 2116 07:27:29.287094  [   76.410770] Code: c691fe08 c138bce0 c138baa0 c691fe6c (e1a0c00d) 

 2117 07:27:29.287153  [   76.416896] ---[ end trace eec2cb921daffbc1 ]---

 2118 07:27:29.287211  # Segmentation fault

 2119 07:27:29.406050  # [   75.975341] lkdtm: Performing direct entry EXEC_STACK

 2120 07:27:29.406534  # [   75.981960] lkdtm: attempting ok execution at c0c550e4

 2121 07:27:29.406834  # [   75.990050] lkdtm: attempting bad execution at c691fe0c

 2122 07:27:29.407109  # [   75.998069] 8<--- cut here ---

 2123 07:27:29.407369  # [   76.003893] Unable to handle kernel paging request at virtual address c691fe0c

 2124 07:27:29.407625  # [   76.013635] pgd = 94a17a0b

 2125 07:27:29.407875  # [   76.018602] [c691fe0c] *pgd=1681141e(bad)

 2126 07:27:29.408121  # [   76.025492] Internal error: Oops: 8000000d [#4] SMP ARM

 2127 07:27:29.449136  # [   76.033574] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3

 2128 07:27:29.449515  # [   76.062856] CPU: 3 PID: 1750 Comm: cat Tainted: G      D W         5.10.180-cip33 #1

 2129 07:27:29.449812  # [   76.070620] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 2130 07:27:29.450085  # [   76.077176] PC is at 0xc691fe0c

 2131 07:27:29.491955  # [   76.080359] LR is at execute_location+0xa4/0xb4

 2132 07:27:29.492036  # [   76.084916] pc : [<c691fe0c>]    lr : [<c138bb38>]    psr: 600e0013

 2133 07:27:29.492102  # [   76.091204] sp : c691fde8  ip : c691fcf0  fp : c691fe04

 2134 07:27:29.492163  # [   76.096448] r10: 0000000b  r9 : c1acd1f0  r8 : c15e8cf8

 2135 07:27:29.492250  # [   76.101696] r7 : c691ff60  r6 : 00000001  r5 : c691fe0c  r4 : c0c550e4

 2136 07:27:29.492308  # [   76.108245] r3 : 79d2a9af  r2 : 79d2a9af  r1 : ef7c05e0  r0 : 0000002b

 2137 07:27:29.492364  # [   76.114798] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 2138 07:27:29.535199  # [   76.121957] Control: 10c5387d  Table: 15e7004a  DAC: 00000051

 2139 07:27:29.535559  # [   76.127726] Process cat (pid: 1750, stack limit = 0x30131618)

 2140 07:27:29.535847  # [   76.133497] Stack: (0xc691fde8 to 0xc6920000)

 2141 07:27:29.536117  # [   76.137888] fde0:                   c691e000 c6bfd000 0000000b c691ff60 c691fe64 c691fe08

 2142 07:27:29.536381  # [   76.146096] fe00: c138bce0 c138baa0 c691fe6c e1a0c00d e92dd800 e24cb004 e52de004 e8bd4000

 2143 07:27:29.536637  # [   76.154303] fe20: e89da800 e1a0c00d e92dd830 e24cb004 e52de004 e8bd4000 e30d3374 e34c31b7

 2144 07:27:29.578735  # [   76.162511] fe40: e3a02040 e3a01d33 e5930018 79d2a9af 0000000b 00000020 c691fe74 c691fe68

 2145 07:27:29.578817  # [   76.170718] fe60: c0c54374 c138bcb4 c691fe9c c691fe78 c0c54874 c0c54354 c0c54754 c68e9a40

 2146 07:27:29.578883  # [   76.178924] fe80: b6e74000 0000000b c3082240 c691ff60 c691fec4 c691fea0 c07e03d4 c0c54760

 2147 07:27:29.578944  # [   76.187131] fea0: 00000000 c68e9a40 b6e74000 c2815800 c691ff60 c07e0370 c691ff5c c691fec8

 2148 07:27:29.579003  # [   76.195342] fec0: c059ac40 c07e037c 00000001 00000000 c059b1ec c13a0ff0 c059b1ec c691e000

 2149 07:27:29.627006  # [   76.203548] fee0: b6e74000 00020000 00000004 0000000b 0001fff5 c691fee0 00000001 b6e73000

 2150 07:27:29.627181  # [   76.211754] ff00: c5c5c140 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 2151 07:27:29.627267  # [   76.219962] ff20: 00000000 00000000 c13a0ff0 79d2a9af c205dc60 c68e9a40 c68e9a40 c691e000

 2152 07:27:29.627345  # [   76.228170] ff40: b6e74000 00000000 00000000 00000004 c691ff94 c691ff60 c059b1ec c059ab40

 2153 07:27:29.627419  # [   76.236378] ff60: 00000000 00000000 c691ffac 79d2a9af 0000000b 0000000b b6fbbe00 00000004

 2154 07:27:29.671007  # [   76.244586] ff80: c03002e4 c691e000 c691ffa4 c691ff98 c059b27c c059b184 00000000 c691ffa8

 2155 07:27:29.671294  # [   76.252794] ffa0: c03000c0 c059b270 0000000b 0000000b 00000001 b6e74000 0000000b 00000000

 2156 07:27:29.671471  # [   76.261003] ffc0: 0000000b 0000000b b6fbbe00 00000004 00000001 00000000 00020000 be8ceac4

 2157 07:27:29.671629  # [   76.269210] ffe0: 00000004 be8ce7f8 b6f25d8f b6eac7e6 800e0030 00000001 00000000 00000000

 2158 07:27:29.671782  # [   76.277406] Backtrace: 

 2159 07:27:29.671972  # [   76.279916] [<c138ba94>] (execute_location) from [<c138bce0>] (lkdtm_EXEC_STACK+0x38/0x54)

 2160 07:27:29.715071  # [   76.288215]  r7:c691ff60 r6:0000000b r5:c6bfd000 r4:c691e000

 2161 07:27:29.715593  # [   76.293915] [<c138bca8>] (lkdtm_EXEC_STACK) from [<c0c54374>] (lkdtm_do_action+0x2c/0x4c)

 2162 07:27:29.715952  # [   76.302114]  r4:00000020

 2163 07:27:29.716270  # [   76.304681] [<c0c54348>] (lkdtm_do_action) from [<c0c54874>] (direct_entry+0x120/0x18c)

 2164 07:27:29.716576  # [   76.312725] [<c0c54754>] (direct_entry) from [<c07e03d4>] (full_proxy_write+0x64/0x94)

 2165 07:27:29.716879  # [   76.320672]  r9:c691ff60 r8:c3082240 r7:0000000b r6:b6e74000 r5:c68e9a40 r4:c0c54754

 2166 07:27:29.759187  # [   76.328456] [<c07e0370>] (full_proxy_write) from [<c059ac40>] (vfs_write+0x10c/0x53c)

 2167 07:27:29.759689  # [   76.336316]  r9:c07e0370 r8:c691ff60 r7:c2815800 r6:b6e74000 r5:c68e9a40 r4:00000000

 2168 07:27:29.760026  # [   76.344092] [<c059ab34>] (vfs_write) from [<c059b1ec>] (ksys_write+0x74/0xec)

 2169 07:27:29.760322  # [   76.351256]  r10:00000004 r9:00000000 r8:00000000 r7:b6e74000 r6:c691e000 r5:c68e9a40

 2170 07:27:29.760603  # [   76.359105]  r4:c68e9a40

 2171 07:27:29.760900  # [   76.361670] [<c059b178>] (ksys_write) from [<c059b27c>] (sys_write+0x18/0x1c)

 2172 07:27:29.761196  # [   76.368834]  r9:c691e000 r8:c03002e4 r7:00000004 r6:b6fbbe00 r5:0000000b r4:0000000b

 2173 07:27:29.803191  # [   76.376612] [<c059b264>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 2174 07:27:29.803691  # [   76.384201] Exception stack(0xc691ffa8 to 0xc691fff0)

 2175 07:27:29.804019  # [   76.389280] ffa0:                   0000000b 0000000b 00000001 b6e74000 0000000b 00000000

 2176 07:27:29.804314  # [   76.397486] ffc0: 0000000b 0000000b b6fbbe00 00000004 00000001 00000000 00020000 be8ceac4

 2177 07:27:29.804596  # [   76.405687] ffe0: 00000004 be8ce7f8 b6f25d8f b6eac7e6

 2178 07:27:29.804874  # [   76.410770] Code: c691fe08 c138bce0 c138baa0 c691fe6c (e1a0c00d) 

 2179 07:27:29.847271  # [   76.416896] ---[ end trace eec2cb921daffbc1 ]---

 2180 07:27:29.847801  # EXEC_STACK: missing 'call trace:': [FAIL]

 2181 07:27:29.848161  not ok 31 selftes[   76.953410] lkdtm: Performing direct entry EXEC_KMALLOC

 2182 07:27:29.848489  ts: lkdtm: EXEC_STACK.sh # exit=1[   76.960325] lkdtm: attempting ok execution at c0c550e4

 2183 07:27:29.848797  

 2184 07:27:29.849095  # selftests: lkdtm: EXEC_KMALLO[   76.968361] lkdtm: attempting bad execution at c46c0380

 2185 07:27:29.849389  C.sh

 2186 07:27:29.849675  [   76.976314] 8<--- cut here ---

 2187 07:27:29.849962  [   76.979877] Unable to handle kernel paging request at virtual address c46c0380

 2188 07:27:29.850251  [   76.987109] pgd = 8fdcfabc

 2189 07:27:29.891286  [   76.989823] [c46c0380] *pgd=1461141e(bad)

 2190 07:27:29.891819  [   76.993859] Internal error: Oops: 8000000d [#5] SMP ARM

 2191 07:27:29.892175  [   76.999093] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3

 2192 07:27:29.935297  [   77.028169] CPU: 1 PID: 1830 Comm: cat Tainted: G      D W         5.10.180-cip33 #1

 2193 07:27:29.935834  [   77.035919] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 2194 07:27:29.936186  [   77.042458] PC is at 0xc46c0380

 2195 07:27:29.936505  [   77.045619] LR is at execute_location+0xa4/0xb4

 2196 07:27:29.936810  [   77.050158] pc : [<c46c0380>]    lr : [<c138bb38>]    psr: 600e0013

 2197 07:27:29.937113  [   77.056433] sp : c5d59e30  ip : 00000027  fp : c5d59e4c

 2198 07:27:29.937408  [   77.061665] r10: 0000000d  r9 : c1acd1fc  r8 : c15e8cf8

 2199 07:27:29.937698  [   77.066898] r7 : c5d59f60  r6 : 00000001  r5 : c46c0380  r4 : c0c550e4

 2200 07:27:29.979271  [   77.073433] r3 : 77c6c772  r2 : 77c6c772  r1 : ef7965e4  r0 : 0000002b

 2201 07:27:29.979807  [   77.079970] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 2202 07:27:29.980165  [   77.087114] Control: 10c5387d  Table: 16d1c04a  DAC: 00000051

 2203 07:27:29.980483  [   77.092868] Process cat (pid: 1830, stack limit = 0x19e87949)

 2204 07:27:29.980783  [   77.098622] Stack: (0xc5d59e30 to 0xc5d5a000)

 2205 07:27:29.981083  [   77.102991] 9e20:                                     c46c0380 c5e44000 0000000d c5d59f60

 2206 07:27:29.981374  [   77.111183] 9e40: c5d59e64 c5d59e50 c0c55134 c138baa0 00000021 c5e44000 c5d59e74 c5d59e68

 2207 07:27:30.023280  [   77.119372] 9e60: c0c54374 c0c55108 c5d59e9c c5d59e78 c0c54874 c0c54354 c0c54754 c5c5d040

 2208 07:27:30.023782  [   77.127562] 9e80: b6df7000 0000000d c3082240 c5d59f60 c5d59ec4 c5d59ea0 c07e03d4 c0c54760

 2209 07:27:30.024136  [   77.135752] 9ea0: 00000000 c5c5d040 b6df7000 c2815800 c5d59f60 c07e0370 c5d59f5c c5d59ec8

 2210 07:27:30.024457  [   77.143941] 9ec0: c059ac40 c07e037c 00000001 00000000 c059b1ec c46d2424 c059b1ec c5d58000

 2211 07:27:30.024763  [   77.152130] 9ee0: b6df7000 00020000 00000004 0000000d 0001fff3 c5d59ee0 00000001 00000805

 2212 07:27:30.067299  [   77.160318] 9f00: c5987b80 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 2213 07:27:30.067833  [   77.168507] 9f20: 00000000 00000000 c5d58000 77c6c772 b6df6000 c5c5d040 c5c5d040 c5d58000

 2214 07:27:30.068191  [   77.176696] 9f40: b6df7000 00000000 00000000 00000004 c5d59f94 c5d59f60 c059b1ec c059ab40

 2215 07:27:30.068514  [   77.184886] 9f60: 00000000 00000000 c5d59fac 77c6c772 0000000d 0000000d b6f3ee00 00000004

 2216 07:27:30.068820  [   77.193074] 9f80: c03002e4 c5d58000 c5d59fa4 c5d59f98 c059b27c c059b184 00000000 c5d59fa8

 2217 07:27:30.111313  [   77.201263] 9fa0: c03000c0 c059b270 0000000d 0000000d 00000001 b6df7000 0000000d 00000000

 2218 07:27:30.111850  [   77.209452] 9fc0: 0000000d 0000000d b6f3ee00 00000004 00000001 00000000 00020000 bef8eac4

 2219 07:27:30.112203  [   77.217640] 9fe0: 00000004 bef8e7f8 b6ea8d8f b6e2f7e6 800e0030 00000001 00000000 00000000

 2220 07:27:30.112519  [   77.225822] Backtrace: 

 2221 07:27:30.112822  [   77.228299] [<c138ba94>] (execute_location) from [<c0c55134>] (lkdtm_EXEC_KMALLOC+0x38/0x44)

 2222 07:27:30.113125  [   77.236750]  r7:c5d59f60 r6:0000000d r5:c5e44000 r4:c46c0380

 2223 07:27:30.155293  [   77.242422] [<c0c550fc>] (lkdtm_EXEC_KMALLOC) from [<c0c54374>] (lkdtm_do_action+0x2c/0x4c)

 2224 07:27:30.155798  [   77.250780]  r5:c5e44000 r4:00000021

 2225 07:27:30.156170  [   77.254368] [<c0c54348>] (lkdtm_do_action) from [<c0c54874>] (direct_entry+0x120/0x18c)

 2226 07:27:30.156495  [   77.262390] [<c0c54754>] (direct_entry) from [<c07e03d4>] (full_proxy_write+0x64/0x94)

 2227 07:27:30.156803  [   77.270318]  r9:c5d59f60 r8:c3082240 r7:0000000d r6:b6df7000 r5:c5c5d040 r4:c0c54754

 2228 07:27:30.157110  [   77.278080] [<c07e0370>] (full_proxy_write) from [<c059ac40>] (vfs_write+0x10c/0x53c)

 2229 07:27:30.199213  [   77.285924]  r9:c07e0370 r8:c5d59f60 r7:c2815800 r6:b6df7000 r5:c5c5d040 r4:00000000

 2230 07:27:30.199754  [   77.293682] [<c059ab34>] (vfs_write) from [<c059b1ec>] (ksys_write+0x74/0xec)

 2231 07:27:30.200111  [   77.300829]  r10:00000004 r9:00000000 r8:00000000 r7:b6df7000 r6:c5d58000 r5:c5c5d040

 2232 07:27:30.200436  [   77.308666]  r4:c5c5d040

 2233 07:27:30.200744  [   77.311215] [<c059b178>] (ksys_write) from [<c059b27c>] (sys_write+0x18/0x1c)

 2234 07:27:30.201047  [   77.318361]  r9:c5d58000 r8:c03002e4 r7:00000004 r6:b6f3ee00 r5:0000000d r4:0000000d

 2235 07:27:30.201399  [   77.326121] [<c059b264>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 2236 07:27:30.242987  [   77.333698] Exception stack(0xc5d59fa8 to 0xc5d59ff0)

 2237 07:27:30.243620  [   77.338762] 9fa0:                   0000000d 0000000d 00000001 b6df7000 0000000d 00000000

 2238 07:27:30.244024  [   77.346953] 9fc0: 0000000d 0000000d b6f3ee00 00000004 00000001 00000000 00020000 bef8eac4

 2239 07:27:30.244468  [   77.355140] 9fe0: 00000004 bef8e7f8 b6ea8d8f b6e2f7e6

 2240 07:27:30.244815  [   77.360205] Code: 00160017 e7fddef0 e7fddef0 e7fddef0 (e1a0c00d) 

 2241 07:27:30.245145  [   77.366314] ---[ end trace eec2cb921daffbc2 ]---

 2242 07:27:30.245455  # Segmentation fault

 2243 07:27:30.393667  # [   76.953410] lkdtm: Performing direct entry EXEC_KMALLOC

 2244 07:27:30.393779  # [   76.960325] lkdtm: attempting ok execution at c0c550e4

 2245 07:27:30.393876  # [   76.968361] lkdtm: attempting bad execution at c46c0380

 2246 07:27:30.393969  # [   76.976314] 8<--- cut here ---

 2247 07:27:30.394061  # [   76.979877] Unable to handle kernel paging request at virtual address c46c0380

 2248 07:27:30.394151  # [   76.987109] pgd = 8fdcfabc

 2249 07:27:30.394238  # [   76.989823] [c46c0380] *pgd=1461141e(bad)

 2250 07:27:30.394326  # [   76.993859] Internal error: Oops: 8000000d [#5] SMP ARM

 2251 07:27:30.436775  # [   76.999093] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3

 2252 07:27:30.436885  # [   77.028169] CPU: 1 PID: 1830 Comm: cat Tainted: G      D W         5.10.180-cip33 #1

 2253 07:27:30.437013  # [   77.035919] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 2254 07:27:30.437108  # [   77.042458] PC is at 0xc46c0380

 2255 07:27:30.479874  # [   77.045619] LR is at execute_location+0xa4/0xb4

 2256 07:27:30.479986  # [   77.050158] pc : [<c46c0380>]    lr : [<c138bb38>]    psr: 600e0013

 2257 07:27:30.480095  # [   77.056433] sp : c5d59e30  ip : 00000027  fp : c5d59e4c

 2258 07:27:30.480192  # [   77.061665] r10: 0000000d  r9 : c1acd1fc  r8 : c15e8cf8

 2259 07:27:30.480284  # [   77.066898] r7 : c5d59f60  r6 : 00000001  r5 : c46c0380  r4 : c0c550e4

 2260 07:27:30.480376  # [   77.073433] r3 : 77c6c772  r2 : 77c6c772  r1 : ef7965e4  r0 : 0000002b

 2261 07:27:30.480465  # [   77.079970] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 2262 07:27:30.522956  # [   77.087114] Control: 10c5387d  Table: 16d1c04a  DAC: 00000051

 2263 07:27:30.523068  # [   77.092868] Process cat (pid: 1830, stack limit = 0x19e87949)

 2264 07:27:30.523168  # [   77.098622] Stack: (0xc5d59e30 to 0xc5d5a000)

 2265 07:27:30.523261  # [   77.102991] 9e20:                                     c46c0380 c5e44000 0000000d c5d59f60

 2266 07:27:30.523355  # [   77.111183] 9e40: c5d59e64 c5d59e50 c0c55134 c138baa0 00000021 c5e44000 c5d59e74 c5d59e68

 2267 07:27:30.523445  # [   77.119372] 9e60: c0c54374 c0c55108 c5d59e9c c5d59e78 c0c54874 c0c54354 c0c54754 c5c5d040

 2268 07:27:30.570999  # [   77.127562] 9e80: b6df7000 0000000d c3082240 c5d59f60 c5d59ec4 c5d59ea0 c07e03d4 c0c54760

 2269 07:27:30.571515  # [   77.135752] 9ea0: 00000000 c5c5d040 b6df7000 c2815800 c5d59f60 c07e0370 c5d59f5c c5d59ec8

 2270 07:27:30.571841  # [   77.143941] 9ec0: c059ac40 c07e037c 00000001 00000000 c059b1ec c46d2424 c059b1ec c5d58000

 2271 07:27:30.572137  # [   77.152130] 9ee0: b6df7000 00020000 00000004 0000000d 0001fff3 c5d59ee0 00000001 00000805

 2272 07:27:30.572428  # [   77.160318] 9f00: c5987b80 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 2273 07:27:30.615029  # [   77.168507] 9f20: 00000000 00000000 c5d58000 77c6c772 b6df6000 c5c5d040 c5c5d040 c5d58000

 2274 07:27:30.615574  # [   77.176696] 9f40: b6df7000 00000000 00000000 00000004 c5d59f94 c5d59f60 c059b1ec c059ab40

 2275 07:27:30.615926  # [   77.184886] 9f60: 00000000 00000000 c5d59fac 77c6c772 0000000d 0000000d b6f3ee00 00000004

 2276 07:27:30.616249  # [   77.193074] 9f80: c03002e4 c5d58000 c5d59fa4 c5d59f98 c059b27c c059b184 00000000 c5d59fa8

 2277 07:27:30.616563  # [   77.201263] 9fa0: c03000c0 c059b270 0000000d 0000000d 00000001 b6df7000 0000000d 00000000

 2278 07:27:30.659067  # [   77.209452] 9fc0: 0000000d 0000000d b6f3ee00 00000004 00000001 00000000 00020000 bef8eac4

 2279 07:27:30.659609  # [   77.217640] 9fe0: 00000004 bef8e7f8 b6ea8d8f b6e2f7e6 800e0030 00000001 00000000 00000000

 2280 07:27:30.659969  # [   77.225822] Backtrace: 

 2281 07:27:30.660290  # [   77.228299] [<c138ba94>] (execute_location) from [<c0c55134>] (lkdtm_EXEC_KMALLOC+0x38/0x44)

 2282 07:27:30.660600  # [   77.236750]  r7:c5d59f60 r6:0000000d r5:c5e44000 r4:c46c0380

 2283 07:27:30.660906  # [   77.242422] [<c0c550fc>] (lkdtm_EXEC_KMALLOC) from [<c0c54374>] (lkdtm_do_action+0x2c/0x4c)

 2284 07:27:30.661205  # [   77.250780]  r5:c5e44000 r4:00000021

 2285 07:27:30.703036  # [   77.254368] [<c0c54348>] (lkdtm_do_action) from [<c0c54874>] (direct_entry+0x120/0x18c)

 2286 07:27:30.703574  # [   77.262390] [<c0c54754>] (direct_entry) from [<c07e03d4>] (full_proxy_write+0x64/0x94)

 2287 07:27:30.703933  # [   77.270318]  r9:c5d59f60 r8:c3082240 r7:0000000d r6:b6df7000 r5:c5c5d040 r4:c0c54754

 2288 07:27:30.704260  # [   77.278080] [<c07e0370>] (full_proxy_write) from [<c059ac40>] (vfs_write+0x10c/0x53c)

 2289 07:27:30.704574  # [   77.285924]  r9:c07e0370 r8:c5d59f60 r7:c2815800 r6:b6df7000 r5:c5c5d040 r4:00000000

 2290 07:27:30.747075  # [   77.293682] [<c059ab34>] (vfs_write) from [<c059b1ec>] (ksys_write+0x74/0xec)

 2291 07:27:30.747617  # [   77.300829]  r10:00000004 r9:00000000 r8:00000000 r7:b6df7000 r6:c5d58000 r5:c5c5d040

 2292 07:27:30.747967  # [   77.308666]  r4:c5c5d040

 2293 07:27:30.748287  # [   77.311215] [<c059b178>] (ksys_write) from [<c059b27c>] (sys_write+0x18/0x1c)

 2294 07:27:30.748597  # [   77.318361]  r9:c5d58000 r8:c03002e4 r7:00000004 r6:b6f3ee00 r5:0000000d r4:0000000d

 2295 07:27:30.748901  # [   77.326121] [<c059b264>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 2296 07:27:30.749197  # [   77.333698] Exception stack(0xc5d59fa8 to 0xc5d59ff0)

 2297 07:27:30.791011  # [   77.338762] 9fa0:                   0000000d 0000000d 00000001 b6df7000 0000000d 00000000

 2298 07:27:30.791577  # [   77.346953] 9fc0: 0000000d 0000000d b6f3ee00 00000004 00000001 00000000 00020000 bef8eac4

 2299 07:27:30.791940  # [   77.35[   77.906473] lkdtm: Performing direct entry EXEC_VMALLOC

 2300 07:27:30.792266  5140] 9fe0: 00000004 bef8e7f8 b6e[   77.912621] lkdtm: attempting ok execution at c0c550e4

 2301 07:27:30.792593  a8d8f b6e2f7e6

 2302 07:27:30.792897  # [   77.360205] [   77.920597] lkdtm: attempting bad execution at f096c000

 2303 07:27:30.793198  Code: 00160017 e7fddef0 e7fddef0 [   77.928720] 8<--- cut here ---

 2304 07:27:30.835059  e7fddef0 (e1a0c00d) 

 2305 07:27:30.835263  # [   77.36[   77.934607] Unable to handle kernel paging request at virtual address f096c000

 2306 07:27:30.835373  6314] ---[ end trace eec2cb921daf[   77.944776] pgd = a8f28a5a

 2307 07:27:30.835474  fbc2 ]---

 2308 07:27:30.835568  # EXEC_KMALLOC: missin[   77.950396] [f096c000] *pgd=12949811, *pte=4b82a65f, *ppte=4b82a45f

 2309 07:27:30.835663  g 'call trace:': [FAIL]

 2310 07:27:30.835754  not ok 3[   77.959528] Internal error: Oops: 8000000f [#6] SMP ARM

 2311 07:27:30.878854  [   77.967571] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3

 2312 07:27:30.879190  [   77.996645] CPU: 0 PID: 1907 Comm: cat Tainted: G      D W         5.10.180-cip33 #1

 2313 07:27:30.879398  [   78.004396] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 2314 07:27:30.879603  [   78.010935] PC is at 0xf096c000

 2315 07:27:30.879781  [   78.014099] LR is at execute_location+0xa4/0xb4

 2316 07:27:30.923275  [   78.018642] pc : [<f096c000>]    lr : [<c138bb38>]    psr: 600e0013

 2317 07:27:30.923814  [   78.024917] sp : c5ee3e30  ip : c5ee3d38  fp : c5ee3e4c

 2318 07:27:30.924173  [   78.030148] r10: 0000000d  r9 : c1acd20c  r8 : c15e8cf8

 2319 07:27:30.924496  [   78.035380] r7 : c5ee3f60  r6 : 00000001  r5 : f096c000  r4 : c0c550e4

 2320 07:27:30.924809  [   78.041914] r3 : ee8ad311  r2 : ee8ad311  r1 : ef7815e0  r0 : 0000002b

 2321 07:27:30.925113  [   78.048450] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 2322 07:27:30.925414  [   78.055594] Control: 10c5387d  Table: 16b1404a  DAC: 00000051

 2323 07:27:30.967289  [   78.061349] Process cat (pid: 1907, stack limit = 0xc6e72e69)

 2324 07:27:30.967830  [   78.067105] Stack: (0xc5ee3e30 to 0xc5ee4000)

 2325 07:27:30.968244  [   78.071475] 3e20:                                     f096c000 c6bc8000 0000000d c5ee3f60

 2326 07:27:30.968577  [   78.079665] 3e40: c5ee3e64 c5ee3e50 c0c55168 c138baa0 00000022 c6bc8000 c5ee3e74 c5ee3e68

 2327 07:27:30.968893  [   78.087854] 3e60: c0c54374 c0c5514c c5ee3e9c c5ee3e78 c0c54874 c0c54354 c0c54754 c5e82dc0

 2328 07:27:30.969202  [   78.096043] 3e80: b6db7000 0000000d c3082240 c5ee3f60 c5ee3ec4 c5ee3ea0 c07e03d4 c0c54760

 2329 07:27:31.011341  [   78.104231] 3ea0: 00000000 c5e82dc0 b6db7000 c2815800 c5ee3f60 c07e0370 c5ee3f5c c5ee3ec8

 2330 07:27:31.011880  [   78.112421] 3ec0: c059ac40 c07e037c 00000001 00000000 c059b1ec c13a0ff0 c059b1ec c5ee2000

 2331 07:27:31.012233  [   78.120610] 3ee0: b6db7000 00020000 00000004 0000000d 0001fff3 c5ee3ee0 00000001 b6db6000

 2332 07:27:31.012557  [   78.128798] 3f00: c6906780 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 2333 07:27:31.012863  [   78.136986] 3f20: 00000000 00000000 c13a0ff0 ee8ad311 c205dc60 c5e82dc0 c5e82dc0 c5ee2000

 2334 07:27:31.055324  [   78.145177] 3f40: b6db7000 00000000 00000000 00000004 c5ee3f94 c5ee3f60 c059b1ec c059ab40

 2335 07:27:31.055855  [   78.153366] 3f60: 00000000 00000000 c5ee3fac ee8ad311 0000000d 0000000d b6efee00 00000004

 2336 07:27:31.056213  [   78.161555] 3f80: c03002e4 c5ee2000 c5ee3fa4 c5ee3f98 c059b27c c059b184 00000000 c5ee3fa8

 2337 07:27:31.056591  [   78.169742] 3fa0: c03000c0 c059b270 0000000d 0000000d 00000001 b6db7000 0000000d 00000000

 2338 07:27:31.056910  [   78.177934] 3fc0: 0000000d 0000000d b6efee00 00000004 00000001 00000000 00020000 bea34ac4

 2339 07:27:31.057216  [   78.186123] 3fe0: 00000004 bea347f8 b6e68d8f b6def7e6 800e0030 00000001 00000000 00000000

 2340 07:27:31.099304  [   78.194305] Backtrace: 

 2341 07:27:31.099835  [   78.196782] [<c138ba94>] (execute_location) from [<c0c55168>] (lkdtm_EXEC_VMALLOC+0x28/0x34)

 2342 07:27:31.100193  [   78.205233]  r7:c5ee3f60 r6:0000000d r5:c6bc8000 r4:f096c000

 2343 07:27:31.100519  [   78.210907] [<c0c55140>] (lkdtm_EXEC_VMALLOC) from [<c0c54374>] (lkdtm_do_action+0x2c/0x4c)

 2344 07:27:31.100829  [   78.219265]  r5:c6bc8000 r4:00000022

 2345 07:27:31.101129  [   78.222854] [<c0c54348>] (lkdtm_do_action) from [<c0c54874>] (direct_entry+0x120/0x18c)

 2346 07:27:31.143272  [   78.230876] [<c0c54754>] (direct_entry) from [<c07e03d4>] (full_proxy_write+0x64/0x94)

 2347 07:27:31.143813  [   78.238805]  r9:c5ee3f60 r8:c3082240 r7:0000000d r6:b6db7000 r5:c5e82dc0 r4:c0c54754

 2348 07:27:31.144225  [   78.246567] [<c07e0370>] (full_proxy_write) from [<c059ac40>] (vfs_write+0x10c/0x53c)

 2349 07:27:31.144563  [   78.254409]  r9:c07e0370 r8:c5ee3f60 r7:c2815800 r6:b6db7000 r5:c5e82dc0 r4:00000000

 2350 07:27:31.144875  [   78.262165] [<c059ab34>] (vfs_write) from [<c059b1ec>] (ksys_write+0x74/0xec)

 2351 07:27:31.145211  [   78.269311]  r10:00000004 r9:00000000 r8:00000000 r7:b6db7000 r6:c5ee2000 r5:c5e82dc0

 2352 07:27:31.145522  [   78.277147]  r4:c5e82dc0

 2353 07:27:31.187322  [   78.279693] [<c059b178>] (ksys_write) from [<c059b27c>] (sys_write+0x18/0x1c)

 2354 07:27:31.187860  [   78.286839]  r9:c5ee2000 r8:c03002e4 r7:00000004 r6:b6efee00 r5:0000000d r4:0000000d

 2355 07:27:31.188218  [   78.294600] [<c059b264>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 2356 07:27:31.188540  [   78.302176] Exception stack(0xc5ee3fa8 to 0xc5ee3ff0)

 2357 07:27:31.188851  [   78.307239] 3fa0:                   0000000d 0000000d 00000001 b6db7000 0000000d 00000000

 2358 07:27:31.189157  [   78.315429] 3fc0: 0000000d 0000000d b6efee00 00000004 00000001 00000000 00020000 bea34ac4

 2359 07:27:31.230774  [   78.323615] 3fe0: 00000004 bea347f8 b6e68d8f b6def7e6

 2360 07:27:31.230943  [   78.328684] Code: bad PC value

 2361 07:27:31.231040  2 selftests: lkdtm: EXEC_KMALLOC.[   78.331848] ---[ end trace eec2cb921daffbc3 ]---

 2362 07:27:31.231122  sh # exit=1

 2363 07:27:31.231195  # selftests: lkdtm: EXEC_VMALLOC.sh

 2364 07:27:31.231265  # Segmentation fault

 2365 07:27:31.373140  # [   77.906473] lkdtm: Performing direct entry EXEC_VMALLOC

 2366 07:27:31.373642  # [   77.912621] lkdtm: attempting ok execution at c0c550e4

 2367 07:27:31.373968  # [   77.920597] lkdtm: attempting bad execution at f096c000

 2368 07:27:31.374268  # [   77.928720] 8<--- cut here ---

 2369 07:27:31.374582  # [   77.934607] Unable to handle kernel paging request at virtual address f096c000

 2370 07:27:31.374872  # [   77.944776] pgd = a8f28a5a

 2371 07:27:31.375146  # [   77.950396] [f096c000] *pgd=12949811, *pte=4b82a65f, *ppte=4b82a45f

 2372 07:27:31.375419  # [   77.959528] Internal error: Oops: 8000000f [#6] SMP ARM

 2373 07:27:31.416013  # [   77.967571] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3

 2374 07:27:31.416425  # [   77.996645] CPU: 0 PID: 1907 Comm: cat Tainted: G      D W         5.10.180-cip33 #1

 2375 07:27:31.416746  # [   78.004396] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 2376 07:27:31.417057  # [   78.010935] PC is at 0xf096c000

 2377 07:27:31.458795  # [   78.014099] LR is at execute_location+0xa4/0xb4

 2378 07:27:31.458877  # [   78.018642] pc : [<f096c000>]    lr : [<c138bb38>]    psr: 600e0013

 2379 07:27:31.458945  # [   78.024917] sp : c5ee3e30  ip : c5ee3d38  fp : c5ee3e4c

 2380 07:27:31.459026  # [   78.030148] r10: 0000000d  r9 : c1acd20c  r8 : c15e8cf8

 2381 07:27:31.459099  # [   78.035380] r7 : c5ee3f60  r6 : 00000001  r5 : f096c000  r4 : c0c550e4

 2382 07:27:31.459156  # [   78.041914] r3 : ee8ad311  r2 : ee8ad311  r1 : ef7815e0  r0 : 0000002b

 2383 07:27:31.459240  # [   78.048450] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 2384 07:27:31.502813  # [   78.055594] Control: 10c5387d  Table: 16b1404a  DAC: 00000051

 2385 07:27:31.503006  # [   78.061349] Process cat (pid: 1907, stack limit = 0xc6e72e69)

 2386 07:27:31.503106  # [   78.067105] Stack: (0xc5ee3e30 to 0xc5ee4000)

 2387 07:27:31.503197  # [   78.071475] 3e20:                                     f096c000 c6bc8000 0000000d c5ee3f60

 2388 07:27:31.503285  # [   78.079665] 3e40: c5ee3e64 c5ee3e50 c0c55168 c138baa0 00000022 c6bc8000 c5ee3e74 c5ee3e68

 2389 07:27:31.503371  # [   78.087854] 3e60: c0c54374 c0c5514c c5ee3e9c c5ee3e78 c0c54874 c0c54354 c0c54754 c5e82dc0

 2390 07:27:31.546839  # [   78.096043] 3e80: b6db7000 0000000d c3082240 c5ee3f60 c5ee3ec4 c5ee3ea0 c07e03d4 c0c54760

 2391 07:27:31.547058  # [   78.104231] 3ea0: 00000000 c5e82dc0 b6db7000 c2815800 c5ee3f60 c07e0370 c5ee3f5c c5ee3ec8

 2392 07:27:31.547181  # [   78.112421] 3ec0: c059ac40 c07e037c 00000001 00000000 c059b1ec c13a0ff0 c059b1ec c5ee2000

 2393 07:27:31.547294  # [   78.120610] 3ee0: b6db7000 00020000 00000004 0000000d 0001fff3 c5ee3ee0 00000001 b6db6000

 2394 07:27:31.547400  # [   78.128798] 3f00: c6906780 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 2395 07:27:31.591201  # [   78.136986] 3f20: 00000000 00000000 c13a0ff0 ee8ad311 c205dc60 c5e82dc0 c5e82dc0 c5ee2000

 2396 07:27:31.591741  # [   78.145177] 3f40: b6db7000 00000000 00000000 00000004 c5ee3f94 c5ee3f60 c059b1ec c059ab40

 2397 07:27:31.592097  # [   78.153366] 3f60: 00000000 00000000 c5ee3fac ee8ad311 0000000d 0000000d b6efee00 00000004

 2398 07:27:31.592422  # [   78.161555] 3f80: c03002e4 c5ee2000 c5ee3fa4 c5ee3f98 c059b27c c059b184 00000000 c5ee3fa8

 2399 07:27:31.592731  # [   78.169742] 3fa0: c03000c0 c059b270 0000000d 0000000d 00000001 b6db7000 0000000d 00000000

 2400 07:27:31.635051  # [   78.177934] 3fc0: 0000000d 0000000d b6efee00 00000004 00000001 00000000 00020000 bea34ac4

 2401 07:27:31.635573  # [   78.186123] 3fe0: 00000004 bea347f8 b6e68d8f b6def7e6 800e0030 00000001 00000000 00000000

 2402 07:27:31.635943  # [   78.194305] Backtrace: 

 2403 07:27:31.636262  # [   78.196782] [<c138ba94>] (execute_location) from [<c0c55168>] (lkdtm_EXEC_VMALLOC+0x28/0x34)

 2404 07:27:31.636568  # [   78.205233]  r7:c5ee3f60 r6:0000000d r5:c6bc8000 r4:f096c000

 2405 07:27:31.636865  # [   78.210907] [<c0c55140>] (lkdtm_EXEC_VMALLOC) from [<c0c54374>] (lkdtm_do_action+0x2c/0x4c)

 2406 07:27:31.637156  # [   78.219265]  r5:c6bc8000 r4:00000022

 2407 07:27:31.678989  # [   78.222854] [<c0c54348>] (lkdtm_do_action) from [<c0c54874>] (direct_entry+0x120/0x18c)

 2408 07:27:31.679207  # [   78.230876] [<c0c54754>] (direct_entry) from [<c07e03d4>] (full_proxy_write+0x64/0x94)

 2409 07:27:31.679325  # [   78.238805]  r9:c5ee3f60 r8:c3082240 r7:0000000d r6:b6db7000 r5:c5e82dc0 r4:c0c54754

 2410 07:27:31.679425  # [   78.246567] [<c07e0370>] (full_proxy_write) from [<c059ac40>] (vfs_write+0x10c/0x53c)

 2411 07:27:31.679521  # [   78.254409]  r9:c07e0370 r8:c5ee3f60 r7:c2815800 r6:b6db7000 r5:c5e82dc0 r4:00000000

 2412 07:27:31.723172  # [   78.262165] [<c059ab34>] (vfs_write) from [<c059b1ec>] (ksys_write+0x74/0xec)

 2413 07:27:31.723699  # [   78.269311]  r10:00000004 r9:00000000 r8:00000000 r7:b6db7000 r6:c5ee2000 r5:c5e82dc0

 2414 07:27:31.724045  # [   78.277147]  r4:c5e82dc0

 2415 07:27:31.724356  # [   78.279693] [<c059b178>] (ksys_write) from [<c059b27c>] (sys_write+0x18/0x1c)

 2416 07:27:31.724656  # [   78.286839]  r9:c5ee2000 r8:c03002e4 r7:00000004 r6:b6efee00 r5:0000000d r4:0000000d

 2417 07:27:31.724949  # [   78.294600] [<c059b264>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 2418 07:27:31.725238  # [   78.302176] Exception stack(0xc5ee3fa8 to 0xc5ee3ff0)

 2419 07:27:31.767168  # [   78.307239] 3fa0:                   0000000d 0000000[   78.869970] lkdtm: Performing direct entry EXEC_RODATA

 2420 07:27:31.767714  d 00000001 b6db7000 0000000d 0000[   78.877028] lkdtm: attempting ok execution at c0c550e4

 2421 07:27:31.768073  0000

 2422 07:27:31.768403  # [   78.315429] 3fc0: 0000[   78.885189] lkdtm: attempting bad execution at c15e8f94

 2423 07:27:31.768715  000d 0000000d b6efee00 00000004 0[   78.893216] 8<--- cut here ---

 2424 07:27:31.769030  0000001 00000000 00020000 [b e a 78.899052] Unable to handle kernel paging request at virtual address c15e8f94

 2425 07:27:31.769336  4ac4

 2426 07:27:31.769631  # [   78.323615] 3[f e 0 :78.908796] pgd = 82f69bd4

 2427 07:27:31.811175  00000004 bea347f8 b6e68d8f b6def7[   78.913935] [c15e8f94] *pgd=1141941e(bad)

 2428 07:27:31.811727  e6

 2429 07:27:31.812076  # [   78.328684] Code: ba[d   78.920821] Internal error: Oops: 8000000d [#7] SMP ARM

 2430 07:27:31.812402  PC value

 2431 07:27:31.855195  # [   78.331848] ---[ e[   78.928647] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3

 2432 07:27:31.855752  nd trace eec2cb921daffbc3 ]---

 2433 07:27:31.856109  #[   78.960365] CPU: 3 PID: 1984 Comm: cat Tainted: G      D W         5.10.180-cip33 #1

 2434 07:27:31.856440   EXEC_VMALLOC: missing [' c a l7l.970964] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 2435 07:27:31.856755   trace:': [FAIL]

 2436 07:27:31.857060  not ok 33 selft[   78.979854] PC is at lkdtm_rodata_do_nothing+0x0/0x10

 2437 07:27:31.857368  ests: lkdtm: EXEC_VMALLOC.sh # ex[   78.987774] LR is at execute_location+0xa4/0xb4

 2438 07:27:31.857664  it=1

 2439 07:27:31.899264  # selftests: lkdtm:[  E X E8.995158] pc : [<c15e8f94>]    lr : [<c138bb38>]    psr: 600e0013

 2440 07:27:31.899799  C_RODATA.sh

 2441 07:27:31.900152  [   79.003855] sp : c6909e38  ip : c6909d40  fp : c6909e54

 2442 07:27:31.900474  [   79.010210] r10: 0000000c  r9 : c1acd21c  r8 : c15e8cf8

 2443 07:27:31.900785  [   79.015457] r7 : c6909f60  r6 : 00000000  r5 : c15e8f94  r4 : c0c550e4

 2444 07:27:31.901091  [   79.022005] r3 : e9ae55df  r2 : e9ae55df  r1 : ef7c05e0  r0 : 0000002b

 2445 07:27:31.901390  [   79.028558] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 2446 07:27:31.901684  [   79.035718] Control: 10c5387d  Table: 1681804a  DAC: 00000051

 2447 07:27:31.943192  [   79.041488] Process cat (pid: 1984, stack limit = 0x2399e39f)

 2448 07:27:31.943701  [   79.047257] Stack: (0xc6909e38 to 0xc690a000)

 2449 07:27:31.944065  [   79.051643] 9e20:                                                       00000023 c6bfc000

 2450 07:27:31.944393  [   79.059853] 9e40: 0000000c c6909f60 c6909e64 c6909e58 c138bd20 c138baa0 c6909e74 c6909e68

 2451 07:27:31.944702  [   79.068059] 9e60: c0c54374 c138bd08 c6909e9c c6909e78 c0c54874 c0c54354 c0c54754 c68e9cc0

 2452 07:27:31.945008  [   79.076267] 9e80: b6e3d000 0000000c c3082240 c6909f60 c6909ec4 c6909ea0 c07e03d4 c0c54760

 2453 07:27:31.987280  [   79.084475] 9ea0: 00000000 c68e9cc0 b6e3d000 c2815800 c6909f60 c07e0370 c6909f5c c6909ec8

 2454 07:27:31.987821  [   79.092682] 9ec0: c059ac40 c07e037c 00000001 00000000 c059b1ec c13a0ff0 c059b1ec c6908000

 2455 07:27:31.988183  [   79.100890] 9ee0: b6e3d000 00020000 00000004 0000000c 0001fff4 c6909ee0 00000001 b6e3c000

 2456 07:27:31.988510  [   79.109096] 9f00: c44a83c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 2457 07:27:31.988823  [   79.117304] 9f20: 00000000 00000000 c13a0ff0 e9ae55df c205dc60 c68e9cc0 c68e9cc0 c6908000

 2458 07:27:32.031233  [   79.125511] 9f40: b6e3d000 00000000 00000000 00000004 c6909f94 c6909f60 c059b1ec c059ab40

 2459 07:27:32.031771  [   79.133718] 9f60: 00000000 00000000 c6909fac e9ae55df 0000000c 0000000c b6f84e00 00000004

 2460 07:27:32.032131  [   79.141924] 9f80: c03002e4 c6908000 c6909fa4 c6909f98 c059b27c c059b184 00000000 c6909fa8

 2461 07:27:32.032457  [   79.150132] 9fa0: c03000c0 c059b270 0000000c 0000000c 00000001 b6e3d000 0000000c 00000000

 2462 07:27:32.032768  [   79.158339] 9fc0: 0000000c 0000000c b6f84e00 00000004 00000001 00000000 00020000 becd5ac4

 2463 07:27:32.075283  [   79.166546] 9fe0: 00000004 becd57f8 b6eeed8f b6e757e6 800e0030 00000001 00000000 00000000

 2464 07:27:32.075823  [   79.174741] Backtrace: 

 2465 07:27:32.076180  [   79.177247] [<c138ba94>] (execute_location) from [<c138bd20>] (lkdtm_EXEC_RODATA+0x24/0x28)

 2466 07:27:32.076503  [   79.185630]  r7:c6909f60 r6:0000000c r5:c6bfc000 r4:00000023

 2467 07:27:32.076817  [   79.191329] [<c138bcfc>] (lkdtm_EXEC_RODATA) from [<c0c54374>] (lkdtm_do_action+0x2c/0x4c)

 2468 07:27:32.077124  [   79.199626] [<c0c54348>] (lkdtm_do_action) from [<c0c54874>] (direct_entry+0x120/0x18c)

 2469 07:27:32.077424  [   79.207673] [<c0c54754>] (direct_entry) from [<c07e03d4>] (full_proxy_write+0x64/0x94)

 2470 07:27:32.119182  [   79.215622]  r9:c6909f60 r8:c3082240 r7:0000000c r6:b6e3d000 r5:c68e9cc0 r4:c0c54754

 2471 07:27:32.119689  [   79.223406] [<c07e0370>] (full_proxy_write) from [<c059ac40>] (vfs_write+0x10c/0x53c)

 2472 07:27:32.120024  [   79.231265]  r9:c07e0370 r8:c6909f60 r7:c2815800 r6:b6e3d000 r5:c68e9cc0 r4:00000000

 2473 07:27:32.120366  [   79.239041] [<c059ab34>] (vfs_write) from [<c059b1ec>] (ksys_write+0x74/0xec)

 2474 07:27:32.120678  [   79.246208]  r10:00000004 r9:00000000 r8:00000000 r7:b6e3d000 r6:c6908000 r5:c68e9cc0

 2475 07:27:32.120981  [   79.254057]  r4:c68e9cc0

 2476 07:27:32.163287  [   79.256622] [<c059b178>] (ksys_write) from [<c059b27c>] (sys_write+0x18/0x1c)

 2477 07:27:32.163836  [   79.263786]  r9:c6908000 r8:c03002e4 r7:00000004 r6:b6f84e00 r5:0000000c r4:0000000c

 2478 07:27:32.164208  [   79.271565] [<c059b264>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 2479 07:27:32.164535  [   79.279157] Exception stack(0xc6909fa8 to 0xc6909ff0)

 2480 07:27:32.164847  [   79.284236] 9fa0:                   0000000c 0000000c 00000001 b6e3d000 0000000c 00000000

 2481 07:27:32.165156  [   79.292443] 9fc0: 0000000c 0000000c b6f84e00 00000004 00000001 00000000 00020000 becd5ac4

 2482 07:27:32.206696  [   79.300643] 9fe0: 00000004 becd57f8 b6eeed8f b6e757e6

 2483 07:27:32.206817  [   79.305726] Code: 5f727563 6e756f63 00000074 aa55aa55 (e1a0c00d) 

 2484 07:27:32.206884  [   79.311852] ---[ end trace eec2cb921daffbc4 ]---

 2485 07:27:32.206946  # Segmentation fault

 2486 07:27:32.331645  # [   78.869970] lkdtm: Performing direct entry EXEC_RODATA

 2487 07:27:32.331818  # [   78.877028] lkdtm: attempting ok execution at c0c550e4

 2488 07:27:32.331890  # [   78.885189] lkdtm: attempting bad execution at c15e8f94

 2489 07:27:32.331982  # [   78.893216] 8<--- cut here ---

 2490 07:27:32.332056  # [   78.899052] Unable to handle kernel paging request at virtual address c15e8f94

 2491 07:27:32.332143  # [   78.908796] pgd = 82f69bd4

 2492 07:27:32.332216  # [   78.913935] [c15e8f94] *pgd=1141941e(bad)

 2493 07:27:32.332302  # [   78.920821] Internal error: Oops: 8000000d [#7] SMP ARM

 2494 07:27:32.374595  # [   78.928647] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3

 2495 07:27:32.374697  # [   78.960365] CPU: 3 PID: 1984 Comm: cat Tainted: G      D W         5.10.180-cip33 #1

 2496 07:27:32.374795  # [   78.970964] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 2497 07:27:32.374872  # [   78.979854] PC is at lkdtm_rodata_do_nothing+0x0/0x10

 2498 07:27:32.418762  # [   78.987774] LR is at execute_location+0xa4/0xb4

 2499 07:27:32.418858  # [   78.995158] pc : [<c15e8f94>]    lr : [<c138bb38>]    psr: 600e0013

 2500 07:27:32.418925  # [   79.003855] sp : c6909e38  ip : c6909d40  fp : c6909e54

 2501 07:27:32.418986  # [   79.010210] r10: 0000000c  r9 : c1acd21c  r8 : c15e8cf8

 2502 07:27:32.419061  # [   79.015457] r7 : c6909f60  r6 : 00000000  r5 : c15e8f94  r4 : c0c550e4

 2503 07:27:32.419133  # [   79.022005] r3 : e9ae55df  r2 : e9ae55df  r1 : ef7c05e0  r0 : 0000002b

 2504 07:27:32.419228  # [   79.028558] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 2505 07:27:32.462931  # [   79.035718] Control: 10c5387d  Table: 1681804a  DAC: 00000051

 2506 07:27:32.463116  # [   79.041488] Process cat (pid: 1984, stack limit = 0x2399e39f)

 2507 07:27:32.463208  # [   79.047257] Stack: (0xc6909e38 to 0xc690a000)

 2508 07:27:32.463293  # [   79.051643] 9e20:                                                       00000023 c6bfc000

 2509 07:27:32.463374  # [   79.059853] 9e40: 0000000c c6909f60 c6909e64 c6909e58 c138bd20 c138baa0 c6909e74 c6909e68

 2510 07:27:32.463456  # [   79.068059] 9e60: c0c54374 c138bd08 c6909e9c c6909e78 c0c54874 c0c54354 c0c54754 c68e9cc0

 2511 07:27:32.506797  # [   79.076267] 9e80: b6e3d000 0000000c c3082240 c6909f60 c6909ec4 c6909ea0 c07e03d4 c0c54760

 2512 07:27:32.507013  # [   79.084475] 9ea0: 00000000 c68e9cc0 b6e3d000 c2815800 c6909f60 c07e0370 c6909f5c c6909ec8

 2513 07:27:32.507126  # [   79.092682] 9ec0: c059ac40 c07e037c 00000001 00000000 c059b1ec c13a0ff0 c059b1ec c6908000

 2514 07:27:32.507225  # [   79.100890] 9ee0: b6e3d000 00020000 00000004 0000000c 0001fff4 c6909ee0 00000001 b6e3c000

 2515 07:27:32.507319  # [   79.109096] 9f00: c44a83c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 2516 07:27:32.550997  # [   79.117304] 9f20: 00000000 00000000 c13a0ff0 e9ae55df c205dc60 c68e9cc0 c68e9cc0 c6908000

 2517 07:27:32.551485  # [   79.125511] 9f40: b6e3d000 00000000 00000000 00000004 c6909f94 c6909f60 c059b1ec c059ab40

 2518 07:27:32.551812  # [   79.133718] 9f60: 00000000 00000000 c6909fac e9ae55df 0000000c 0000000c b6f84e00 00000004

 2519 07:27:32.552091  # [   79.141924] 9f80: c03002e4 c6908000 c6909fa4 c6909f98 c059b27c c059b184 00000000 c6909fa8

 2520 07:27:32.552361  # [   79.150132] 9fa0: c03000c0 c059b270 0000000c 0000000c 00000001 b6e3d000 0000000c 00000000

 2521 07:27:32.595060  # [   79.158339] 9fc0: 0000000c 0000000c b6f84e00 00000004 00000001 00000000 00020000 becd5ac4

 2522 07:27:32.595607  # [   79.166546] 9fe0: 00000004 becd57f8 b6eeed8f b6e757e6 800e0030 00000001 00000000 00000000

 2523 07:27:32.595971  # [   79.174741] Backtrace: 

 2524 07:27:32.596299  # [   79.177247] [<c138ba94>] (execute_location) from [<c138bd20>] (lkdtm_EXEC_RODATA+0x24/0x28)

 2525 07:27:32.596610  # [   79.185630]  r7:c6909f60 r6:0000000c r5:c6bfc000 r4:00000023

 2526 07:27:32.596915  # [   79.191329] [<c138bcfc>] (lkdtm_EXEC_RODATA) from [<c0c54374>] (lkdtm_do_action+0x2c/0x4c)

 2527 07:27:32.597216  # [   79.199626] [<c0c54348>] (lkdtm_do_action) from [<c0c54874>] (direct_entry+0x120/0x18c)

 2528 07:27:32.639221  # [   79.207673] [<c0c54754>] (direct_entry) from [<c07e03d4>] (full_proxy_write+0x64/0x94)

 2529 07:27:32.639758  # [   79.215622]  r9:c6909f60 r8:c3082240 r7:0000000c r6:b6e3d000 r5:c68e9cc0 r4:c0c54754

 2530 07:27:32.640115  # [   79.223406] [<c07e0370>] (full_proxy_write) from [<c059ac40>] (vfs_write+0x10c/0x53c)

 2531 07:27:32.640437  # [   79.231265]  r9:c07e0370 r8:c6909f60 r7:c2815800 r6:b6e3d000 r5:c68e9cc0 r4:00000000

 2532 07:27:32.640747  # [   79.239041] [<c059ab34>] (vfs_write) from [<c059b1ec>] (ksys_write+0x74/0xec)

 2533 07:27:32.682721  # [   79.246208]  r10:00000004 r9:00000000 r8:00000000 r7:b6e3d000 r6:c6908000 r5:c68e9cc0

 2534 07:27:32.682890  # [   79.254057]  r4:c68e9cc0

 2535 07:27:32.682989  # [   79.256622] [<c059b178>] (ksys_write) from [<c059b27c>] (sys_write+0x18/0x1c)

 2536 07:27:32.683068  # [   79.263786]  r9:c6908000 r8:c03002e4 r7:00000004 r6:b6f84e00 r5:0000000c r4:0000000c

 2537 07:27:32.683144  # [   79.271565] [<c059b264>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 2538 07:27:32.683220  # [   79.279157] Exception stack(0xc6909fa8 to 0xc6909ff0)

 2539 07:27:32.683296  # [   79.284236] 9fa0:                   0000000c 0000000c 00000001 b6e3d000 0000000c 00000000

 2540 07:27:32.727128  # [   79.292443] 9fc0: 0000000c 0000000c b6f84e00 00000004 00000001 00000000 00020000 becd5ac4

 2541 07:27:32.727669  # [   79.300643] 9fe0: 00000004 becd57f8 [   79.840355] lkdtm: Performing direct entry EXEC_USERSPACE

 2542 07:27:32.728029  b6eeed8f b6e757e6

 2543 07:27:32.728349  # [   79.30572[   79.846399] lkdtm: attempting ok execution at c0c550e4

 2544 07:27:32.728656  6] Code: 5f727563 6e756f63 00000074 aa55aa55 (e1a0c00d) 

 2545 07:27:32.728967  # [   [   79.857409] lkdtm: attempting bad execution at b6f43000

 2546 07:27:32.771288  79.311852] ---[ end trace eec2cb9[   79.865179] Unhandled prefetch abort: page domain fault (0x00b) at 0xb6f43000

 2547 07:27:32.771843  21daffbc4 ]---

 2548 07:27:32.772202  # EXEC[_ R O D7A9.875159] Internal error: : b [#8] SMP ARM

 2549 07:27:32.772526  A: missing 'call trace:': [FAIL]

 2550 07:27:32.772839  [   79.881766] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3

 2551 07:27:32.773163  

 2552 07:27:32.815275  not ok 34 selftests: lkd[t m :  9.913472] CPU: 2 PID: 2060 Comm: cat Tainted: G      D W         5.10.180-cip33 #1

 2553 07:27:32.815819  EXEC_RODATA.s[h   #  7e9x.i9t2=3134] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 2554 07:27:32.816179  

 2555 07:27:32.816498  # selftests: lkdtm: E[X E C _7U.932074] PC is at 0xb6f43000

 2556 07:27:32.816808  SERSPACE.sh

 2557 07:27:32.817109  [   79.937561] LR is at lkdtm_EXEC_USERSPACE+0xc4/0xd4

 2558 07:27:32.817409  [   79.943557] pc : [<b6f43000>]    lr : [<c0c55238>]    psr: 60070013

 2559 07:27:32.817704  [   79.949831] sp : c6957e48  ip : c6957d50  fp : c6957e64

 2560 07:27:32.859299  [   79.955063] r10: 0000000f  r9 : c1acd228  r8 : c15e8cf8

 2561 07:27:32.859839  [   79.960295] r7 : c6957f60  r6 : 0000000f  r5 : c5e44000  r4 : b6f43000

 2562 07:27:32.860200  [   79.966830] r3 : 3b67a8f2  r2 : 3b67a8f2  r1 : ef7ab5e0  r0 : 0000002b

 2563 07:27:32.860523  [   79.973366] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 2564 07:27:32.860833  [   79.980510] Control: 10c5387d  Table: 1478004a  DAC: 00000051

 2565 07:27:32.861135  [   79.986265] Process cat (pid: 2060, stack limit = 0xefeb9716)

 2566 07:27:32.861429  [   79.992021] Stack: (0xc6957e48 to 0xc6958000)

 2567 07:27:32.903281  [   79.996393] 7e40:                   00000001 00000000 0000000f 00000024 c6957e74 c6957e68

 2568 07:27:32.903790  [   80.004581] 7e60: c0c54374 c0c55180 c6957e9c c6957e78 c0c54874 c0c54354 c0c54754 c6906280

 2569 07:27:32.904123  [   80.012769] 7e80: b6dfd000 0000000f c3082240 c6957f60 c6957ec4 c6957ea0 c07e03d4 c0c54760

 2570 07:27:32.904425  [   80.020958] 7ea0: 00000000 c6906280 b6dfd000 c2815800 c6957f60 c07e0370 c6957f5c c6957ec8

 2571 07:27:32.904709  [   80.029148] 7ec0: c059ac40 c07e037c 00000001 00000000 c059b1ec c44adea4 c059b1ec c6956000

 2572 07:27:32.904990  [   80.037338] 7ee0: b6dfd000 00020000 00000004 0000000f 0001fff1 c6957ee0 00000001 00000805

 2573 07:27:32.947269  [   80.045525] 7f00: c6ad0b40 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 2574 07:27:32.947811  [   80.053714] 7f20: 00000000 00000000 c6956000 3b67a8f2 b6dfc000 c6906280 c6906280 c6956000

 2575 07:27:32.948169  [   80.061902] 7f40: b6dfd000 00000000 00000000 00000004 c6957f94 c6957f60 c059b1ec c059ab40

 2576 07:27:32.948495  [   80.070090] 7f60: 00000000 00000000 c6957fac 3b67a8f2 0000000f 0000000f b6f44e00 00000004

 2577 07:27:32.948808  [   80.078280] 7f80: c03002e4 c6956000 c6957fa4 c6957f98 c059b27c c059b184 00000000 c6957fa8

 2578 07:27:32.991288  [   80.086469] 7fa0: c03000c0 c059b270 0000000f 0000000f 00000001 b6dfd000 0000000f 00000000

 2579 07:27:32.991830  [   80.094658] 7fc0: 0000000f 0000000f b6f44e00 00000004 00000001 00000000 00020000 bece1ac4

 2580 07:27:32.992189  [   80.102849] 7fe0: 00000004 bece17f8 b6eaed8f b6e357e6 800e0030 00000001 00000000 00000000

 2581 07:27:32.992512  [   80.111031] Backtrace: 

 2582 07:27:32.992823  [   80.113504] [<c0c55174>] (lkdtm_EXEC_USERSPACE) from [<c0c54374>] (lkdtm_do_action+0x2c/0x4c)

 2583 07:27:32.993130  [   80.122038]  r4:00000024

 2584 07:27:33.035294  [   80.124585] [<c0c54348>] (lkdtm_do_action) from [<c0c54874>] (direct_entry+0x120/0x18c)

 2585 07:27:33.035847  [   80.132608] [<c0c54754>] (direct_entry) from [<c07e03d4>] (full_proxy_write+0x64/0x94)

 2586 07:27:33.036203  [   80.140536]  r9:c6957f60 r8:c3082240 r7:0000000f r6:b6dfd000 r5:c6906280 r4:c0c54754

 2587 07:27:33.036531  [   80.148298] [<c07e0370>] (full_proxy_write) from [<c059ac40>] (vfs_write+0x10c/0x53c)

 2588 07:27:33.036840  [   80.156141]  r9:c07e0370 r8:c6957f60 r7:c2815800 r6:b6dfd000 r5:c6906280 r4:00000000

 2589 07:27:33.037143  [   80.163897] [<c059ab34>] (vfs_write) from [<c059b1ec>] (ksys_write+0x74/0xec)

 2590 07:27:33.079285  [   80.171043]  r10:00000004 r9:00000000 r8:00000000 r7:b6dfd000 r6:c6956000 r5:c6906280

 2591 07:27:33.079828  [   80.178878]  r4:c6906280

 2592 07:27:33.080187  [   80.181425] [<c059b178>] (ksys_write) from [<c059b27c>] (sys_write+0x18/0x1c)

 2593 07:27:33.080510  [   80.188572]  r9:c6956000 r8:c03002e4 r7:00000004 r6:b6f44e00 r5:0000000f r4:0000000f

 2594 07:27:33.080823  [   80.196330] [<c059b264>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 2595 07:27:33.081125  [   80.203907] Exception stack(0xc6957fa8 to 0xc6957ff0)

 2596 07:27:33.081423  [   80.208972] 7fa0:                   0000000f 0000000f 00000001 b6dfd000 0000000f 00000000

 2597 07:27:33.122651  [   80.217160] 7fc0: 0000000f 0000000f b6f44e00 00000004 00000001 00000000 00020000 bece1ac4

 2598 07:27:33.122737  [   80.225346] 7fe0: 00000004 bece17f8 b6eaed8f b6e357e6

 2599 07:27:33.122805  [   80.230412] Code: bad PC value

 2600 07:27:33.122904  [   80.233483] ---[ end trace eec2cb921daffbc5 ]---

 2601 07:27:33.122964  # Segmentation fault

 2602 07:27:33.286606  # [   79.840355] lkdtm: Performing direct entry EXEC_USERSPACE

 2603 07:27:33.286765  # [   79.846399] lkdtm: attempting ok execution at c0c550e4

 2604 07:27:33.286833  # [   79.857409] lkdtm: attempting bad execution at b6f43000

 2605 07:27:33.286896  # [   79.865179] Unhandled prefetch abort: page domain fault (0x00b) at 0xb6f43000

 2606 07:27:33.286958  # [   79.875159] Internal error: : b [#8] SMP ARM

 2607 07:27:33.330085  # [   79.881766] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3

 2608 07:27:33.330327  # [   79.913472] CPU: 2 PID: 2060 Comm: cat Tainted: G      D W         5.10.180-cip33 #1

 2609 07:27:33.330465  # [   79.923634] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 2610 07:27:33.330601  # [   79.932074] PC is at 0xb6f43000

 2611 07:27:33.330720  # [   79.937561] LR is at lkdtm_EXEC_USERSPACE+0xc4/0xd4

 2612 07:27:33.373148  # [   79.943557] pc : [<b6f43000>]    lr : [<c0c55238>]    psr: 60070013

 2613 07:27:33.373691  # [   79.949831] sp : c6957e48  ip : c6957d50  fp : c6957e64

 2614 07:27:33.374047  # [   79.955063] r10: 0000000f  r9 : c1acd228  r8 : c15e8cf8

 2615 07:27:33.374377  # [   79.960295] r7 : c6957f60  r6 : 0000000f  r5 : c5e44000  r4 : b6f43000

 2616 07:27:33.374726  # [   79.966830] r3 : 3b67a8f2  r2 : 3b67a8f2  r1 : ef7ab5e0  r0 : 0000002b

 2617 07:27:33.375044  # [   79.973366] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 2618 07:27:33.375353  # [   79.980510] Control: 10c5387d  Table: 1478004a  DAC: 00000051

 2619 07:27:33.416271  # [   79.986265] Process cat (pid: 2060, stack limit = 0xefeb9716)

 2620 07:27:33.416837  # [   79.992021] Stack: (0xc6957e48 to 0xc6958000)

 2621 07:27:33.417195  # [   79.996393] 7e40:                   00000001 00000000 0000000f 00000024 c6957e74 c6957e68

 2622 07:27:33.417527  # [   80.004581] 7e60: c0c54374 c0c55180 c6957e9c c6957e78 c0c54874 c0c54354 c0c54754 c6906280

 2623 07:27:33.417840  # [   80.012769] 7e80: b6dfd000 0000000f c3082240 c6957f60 c6957ec4 c6957ea0 c07e03d4 c0c54760

 2624 07:27:33.418145  # [   80.020958] 7ea0: 00000000 c6906280 b6dfd000 c2815800 c6957f60 c07e0370 c6957f5c c6957ec8

 2625 07:27:33.459265  # [   80.029148] 7ec0: c059ac40 c07e037c 00000001 00000000 c059b1ec c44adea4 c059b1ec c6956000

 2626 07:27:33.459814  # [   80.037338] 7ee0: b6dfd000 00020000 00000004 0000000f 0001fff1 c6957ee0 00000001 00000805

 2627 07:27:33.460173  # [   80.045525] 7f00: c6ad0b40 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 2628 07:27:33.460503  # [   80.053714] 7f20: 00000000 00000000 c6956000 3b67a8f2 b6dfc000 c6906280 c6906280 c6956000

 2629 07:27:33.460818  # [   80.061902] 7f40: b6dfd000 00000000 00000000 00000004 c6957f94 c6957f60 c059b1ec c059ab40

 2630 07:27:33.502968  # [   80.070090] 7f60: 00000000 00000000 c6957fac 3b67a8f2 0000000f 0000000f b6f44e00 00000004

 2631 07:27:33.503511  # [   80.078280] 7f80: c03002e4 c6956000 c6957fa4 c6957f98 c059b27c c059b184 00000000 c6957fa8

 2632 07:27:33.503880  # [   80.086469] 7fa0: c03000c0 c059b270 0000000f 0000000f 00000001 b6dfd000 0000000f 00000000

 2633 07:27:33.504208  # [   80.094658] 7fc0: 0000000f 0000000f b6f44e00 00000004 00000001 00000000 00020000 bece1ac4

 2634 07:27:33.504525  # [   80.102849] 7fe0: 00000004 bece17f8 b6eaed8f b6e357e6 800e0030 00000001 00000000 00000000

 2635 07:27:33.504832  # [   80.111031] Backtrace: 

 2636 07:27:33.551057  # [   80.113504] [<c0c55174>] (lkdtm_EXEC_USERSPACE) from [<c0c54374>] (lkdtm_do_action+0x2c/0x4c)

 2637 07:27:33.551614  # [   80.122038]  r4:00000024

 2638 07:27:33.551983  # [   80.124585] [<c0c54348>] (lkdtm_do_action) from [<c0c54874>] (direct_entry+0x120/0x18c)

 2639 07:27:33.552314  # [   80.132608] [<c0c54754>] (direct_entry) from [<c07e03d4>] (full_proxy_write+0x64/0x94)

 2640 07:27:33.552632  # [   80.140536]  r9:c6957f60 r8:c3082240 r7:0000000f r6:b6dfd000 r5:c6906280 r4:c0c54754

 2641 07:27:33.552942  # [   80.148298] [<c07e0370>] (full_proxy_write) from [<c059ac40>] (vfs_write+0x10c/0x53c)

 2642 07:27:33.595294  # [   80.156141]  r9:c07e0370 r8:c6957f60 r7:c2815800 r6:b6dfd000 r5:c6906280 r4:00000000

 2643 07:27:33.595837  # [   80.163897] [<c059ab34>] (vfs_write) from [<c059b1ec>] (ksys_write+0x74/0xec)

 2644 07:27:33.596201  # [   80.171043]  r10:00000004 r9:00000000 r8:00000000 r7:b6dfd000 r6:c6956000 r5:c6906280

 2645 07:27:33.596528  # [   80.178878]  r4:c6906280

 2646 07:27:33.596841  # [   80.181425] [<c059b178>] (ksys_write) from [<c059b27c>] (sys_write+0x18/0x1c)

 2647 07:27:33.597152  # [   80.188572]  r9:c6956000 r8:c03002e4 r7:00000004 r6:b6f44e00 r5:0000000f r4:0000000f

 2648 07:27:33.639203  # [   80.196330] [<c059b264>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 2649 07:27:33.639749  # [   80.203907] Exception stack(0xc6957fa8 to 0xc6957ff0)

 2650 07:27:33.640110  # [   80.208972] 7fa0:                   0000000f 0000000f 00000001 b6dfd000 0000000f 00000000

 2651 07:27:33.640443  # [   80.217160] 7fc0: 0000000f 0000000f b6f44e00 00000004 00000001 00000000 00020000 bece1ac4

 2652 07:27:33.640762  # [   80.225346] 7fe0: 00000004 bece17f8 b6eaed8f b6e357e6

 2653 07:27:33.641071  # [   80.230412] Code: bad PC value

 2654 07:27:33.641374  # [   80.233483] ---[ end trace eec2cb921daffbc5 ]---

 2655 07:27:33.641671  # EXEC_USERSPACE: missing 'call trace:': [FAIL]

 2656 07:27:33.682706  not ok 35 selftests: lkdtm: EXEC_USERSPACE.sh # exit=1

 2657 07:27:33.682867  # selftests: lkdtm: EXEC_NULL.sh

 2658 07:27:33.682934  [   80.792056] lkdtm: Performing direct entry EXEC_NULL

 2659 07:27:33.682997  [   80.797113] lkdtm: attempting ok execution at c0c550e4

 2660 07:27:33.683057  [   80.802267] lkdtm: attempting bad execution at 00000000

 2661 07:27:33.683116  [   80.807584] 8<--- cut here ---

 2662 07:27:33.683175  [   80.810657] Unable to handle kernel NULL pointer dereference at virtual address 00000000

 2663 07:27:33.683233  [   80.818804] pgd = 664de0d0

 2664 07:27:33.683289  [   80.821545] [00000000] *pgd=00000000

 2665 07:27:33.683344  [   80.825158] Internal error: Oops: 80000005 [#9] SMP ARM

 2666 07:27:33.726985  [   80.830399] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3

 2667 07:27:33.727163  [   80.859461] CPU: 3 PID: 2131 Comm: cat Tainted: G      D W         5.10.180-cip33 #1

 2668 07:27:33.727251  [   80.867213] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 2669 07:27:33.771095  [   80.873752] PC is at 0x0

 2670 07:27:33.771316  [   80.876307] LR is at execute_location+0xa4/0xb4

 2671 07:27:33.771439  [   80.880847] pc : [<00000000>]    lr : [<c138bb38>]    psr: 600e0013

 2672 07:27:33.771548  [   80.887121] sp : c6aebe38  ip : c6aebd40  fp : c6aebe54

 2673 07:27:33.771652  [   80.892353] r10: 0000000a  r9 : c1acd238  r8 : c15e8cf8

 2674 07:27:33.771753  [   80.897585] r7 : c6aebf60  r6 : 00000000  r5 : 00000000  r4 : c0c550e4

 2675 07:27:33.771855  [   80.904119] r3 : 5f4e8163  r2 : 5f4e8163  r1 : ef7c05e0  r0 : 0000002b

 2676 07:27:33.815299  [   80.910655] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 2677 07:27:33.815847  [   80.917800] Control: 10c5387d  Table: 16c7004a  DAC: 00000051

 2678 07:27:33.816205  [   80.923556] Process cat (pid: 2131, stack limit = 0xf015b8ac)

 2679 07:27:33.816531  [   80.929309] Stack: (0xc6aebe38 to 0xc6aec000)

 2680 07:27:33.816846  [   80.933677] be20:                                                       00000025 c6bfd000

 2681 07:27:33.817156  [   80.941866] be40: 0000000a c6aebf60 c6aebe64 c6aebe58 c138bd44 c138baa0 c6aebe74 c6aebe68

 2682 07:27:33.817461  [   80.950056] be60: c0c54374 c138bd30 c6aebe9c c6aebe78 c0c54874 c0c54354 c0c54754 c68e9040

 2683 07:27:33.859278  [   80.958247] be80: b6e91000 0000000a c3082240 c6aebf60 c6aebec4 c6aebea0 c07e03d4 c0c54760

 2684 07:27:33.859829  [   80.966436] bea0: 00000000 c68e9040 b6e91000 c2815800 c6aebf60 c07e0370 c6aebf5c c6aebec8

 2685 07:27:33.860191  [   80.974627] bec0: c059ac40 c07e037c 00000001 00000000 c059b1ec c13a0ff0 c059b1ec c6aea000

 2686 07:27:33.860516  [   80.982814] bee0: b6e91000 00020000 00000004 0000000a 0001fff6 c6aebee0 00000001 b6e90000

 2687 07:27:33.860832  [   80.991004] bf00: c6906500 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 2688 07:27:33.903284  [   80.999194] bf20: 00000000 00000000 c13a0ff0 5f4e8163 c205dc60 c68e9040 c68e9040 c6aea000

 2689 07:27:33.903826  [   81.007383] bf40: b6e91000 00000000 00000000 00000004 c6aebf94 c6aebf60 c059b1ec c059ab40

 2690 07:27:33.904193  [   81.015572] bf60: 00000000 00000000 c6aebfac 5f4e8163 0000000a 0000000a b6fd8e00 00000004

 2691 07:27:33.904521  [   81.023761] bf80: c03002e4 c6aea000 c6aebfa4 c6aebf98 c059b27c c059b184 00000000 c6aebfa8

 2692 07:27:33.904835  [   81.031950] bfa0: c03000c0 c059b270 0000000a 0000000a 00000001 b6e91000 0000000a 00000000

 2693 07:27:33.947287  [   81.040140] bfc0: 0000000a 0000000a b6fd8e00 00000004 00000001 00000000 00020000 bec8dac4

 2694 07:27:33.947836  [   81.048329] bfe0: 00000004 bec8d7f8 b6f42d8f b6ec97e6 800e0030 00000001 00000000 00000000

 2695 07:27:33.948200  [   81.056510] Backtrace: 

 2696 07:27:33.948523  [   81.058984] [<c138ba94>] (execute_location) from [<c138bd44>] (lkdtm_EXEC_NULL+0x20/0x24)

 2697 07:27:33.948842  [   81.067172]  r7:c6aebf60 r6:0000000a r5:c6bfd000 r4:00000025

 2698 07:27:33.949156  [   81.072851] [<c138bd24>] (lkdtm_EXEC_NULL) from [<c0c54374>] (lkdtm_do_action+0x2c/0x4c)

 2699 07:27:33.949460  [   81.080954] [<c0c54348>] (lkdtm_do_action) from [<c0c54874>] (direct_entry+0x120/0x18c)

 2700 07:27:33.991262  [   81.088976] [<c0c54754>] (direct_entry) from [<c07e03d4>] (full_proxy_write+0x64/0x94)

 2701 07:27:33.991812  [   81.096905]  r9:c6aebf60 r8:c3082240 r7:0000000a r6:b6e91000 r5:c68e9040 r4:c0c54754

 2702 07:27:33.992179  [   81.104667] [<c07e0370>] (full_proxy_write) from [<c059ac40>] (vfs_write+0x10c/0x53c)

 2703 07:27:33.992513  [   81.112509]  r9:c07e0370 r8:c6aebf60 r7:c2815800 r6:b6e91000 r5:c68e9040 r4:00000000

 2704 07:27:33.992830  [   81.120266] [<c059ab34>] (vfs_write) from [<c059b1ec>] (ksys_write+0x74/0xec)

 2705 07:27:34.035283  [   81.127413]  r10:00000004 r9:00000000 r8:00000000 r7:b6e91000 r6:c6aea000 r5:c68e9040

 2706 07:27:34.035829  [   81.135248]  r4:c68e9040

 2707 07:27:34.036192  [   81.137797] [<c059b178>] (ksys_write) from [<c059b27c>] (sys_write+0x18/0x1c)

 2708 07:27:34.036522  [   81.144943]  r9:c6aea000 r8:c03002e4 r7:00000004 r6:b6fd8e00 r5:0000000a r4:0000000a

 2709 07:27:34.036834  [   81.152703] [<c059b264>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 2710 07:27:34.037142  [   81.160279] Exception stack(0xc6aebfa8 to 0xc6aebff0)

 2711 07:27:34.037444  [   81.165342] bfa0:                   0000000a 0000000a 00000001 b6e91000 0000000a 00000000

 2712 07:27:34.078706  [   81.173531] bfc0: 0000000a 0000000a b6fd8e00 00000004 00000001 00000000 00020000 bec8dac4

 2713 07:27:34.078884  [   81.181716] bfe0: 00000004 bec8d7f8 b6f42d8f b6ec97e6

 2714 07:27:34.078995  [   81.186782] Code: bad PC value

 2715 07:27:34.079058  [   81.189947] ---[ end trace eec2cb921daffbc6 ]---

 2716 07:27:34.079134  # Segmentation fault

 2717 07:27:34.233252  # [   80.792056] lkdtm: Performing direct entry EXEC_NULL

 2718 07:27:34.233625  # [   80.797113] lkdtm: attempting ok execution at c0c550e4

 2719 07:27:34.233928  # [   80.802267] lkdtm: attempting bad execution at 00000000

 2720 07:27:34.234207  # [   80.807584] 8<--- cut here ---

 2721 07:27:34.234476  # [   80.810657] Unable to handle kernel NULL pointer dereference at virtual address 00000000

 2722 07:27:34.234770  # [   80.818804] pgd = 664de0d0

 2723 07:27:34.235051  # [   80.821545] [00000000] *pgd=00000000

 2724 07:27:34.235329  # [   80.825158] Internal error: Oops: 80000005 [#9] SMP ARM

 2725 07:27:34.275970  # [   80.830399] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3

 2726 07:27:34.276056  # [   80.859461] CPU: 3 PID: 2131 Comm: cat Tainted: G      D W         5.10.180-cip33 #1

 2727 07:27:34.276125  # [   80.867213] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 2728 07:27:34.276189  # [   80.873752] PC is at 0x0

 2729 07:27:34.319104  # [   80.876307] LR is at execute_location+0xa4/0xb4

 2730 07:27:34.319204  # [   80.880847] pc : [<00000000>]    lr : [<c138bb38>]    psr: 600e0013

 2731 07:27:34.319300  # [   80.887121] sp : c6aebe38  ip : c6aebd40  fp : c6aebe54

 2732 07:27:34.319391  # [   80.892353] r10: 0000000a  r9 : c1acd238  r8 : c15e8cf8

 2733 07:27:34.319480  # [   80.897585] r7 : c6aebf60  r6 : 00000000  r5 : 00000000  r4 : c0c550e4

 2734 07:27:34.319554  # [   80.904119] r3 : 5f4e8163  r2 : 5f4e8163  r1 : ef7c05e0  r0 : 0000002b

 2735 07:27:34.319641  # [   80.910655] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 2736 07:27:34.362937  # [   80.917800] Control: 10c5387d  Table: 16c7004a  DAC: 00000051

 2737 07:27:34.363455  # [   80.923556] Process cat (pid: 2131, stack limit = 0xf015b8ac)

 2738 07:27:34.363777  # [   80.929309] Stack: (0xc6aebe38 to 0xc6aec000)

 2739 07:27:34.364084  # [   80.933677] be20:                                                       00000025 c6bfd000

 2740 07:27:34.364378  # [   80.941866] be40: 0000000a c6aebf60 c6aebe64 c6aebe58 c138bd44 c138baa0 c6aebe74 c6aebe68

 2741 07:27:34.364665  # [   80.950056] be60: c0c54374 c138bd30 c6aebe9c c6aebe78 c0c54874 c0c54354 c0c54754 c68e9040

 2742 07:27:34.406984  # [   80.958247] be80: b6e91000 0000000a c3082240 c6aebf60 c6aebec4 c6aebea0 c07e03d4 c0c54760

 2743 07:27:34.407482  # [   80.966436] bea0: 00000000 c68e9040 b6e91000 c2815800 c6aebf60 c07e0370 c6aebf5c c6aebec8

 2744 07:27:34.407807  # [   80.974627] bec0: c059ac40 c07e037c 00000001 00000000 c059b1ec c13a0ff0 c059b1ec c6aea000

 2745 07:27:34.408110  # [   80.982814] bee0: b6e91000 00020000 00000004 0000000a 0001fff6 c6aebee0 00000001 b6e90000

 2746 07:27:34.408404  # [   80.991004] bf00: c6906500 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 2747 07:27:34.451194  # [   80.999194] bf20: 00000000 00000000 c13a0ff0 5f4e8163 c205dc60 c68e9040 c68e9040 c6aea000

 2748 07:27:34.451740  # [   81.007383] bf40: b6e91000 00000000 00000000 00000004 c6aebf94 c6aebf60 c059b1ec c059ab40

 2749 07:27:34.452112  # [   81.015572] bf60: 00000000 00000000 c6aebfac 5f4e8163 0000000a 0000000a b6fd8e00 00000004

 2750 07:27:34.452440  # [   81.023761] bf80: c03002e4 c6aea000 c6aebfa4 c6aebf98 c059b27c c059b184 00000000 c6aebfa8

 2751 07:27:34.452755  # [   81.031950] bfa0: c03000c0 c059b270 0000000a 0000000a 00000001 b6e91000 0000000a 00000000

 2752 07:27:34.495047  # [   81.040140] bfc0: 0000000a 0000000a b6fd8e00 00000004 00000001 00000000 00020000 bec8dac4

 2753 07:27:34.495595  # [   81.048329] bfe0: 00000004 bec8d7f8 b6f42d8f b6ec97e6 800e0030 00000001 00000000 00000000

 2754 07:27:34.495970  # [   81.056510] Backtrace: 

 2755 07:27:34.496302  # [   81.058984] [<c138ba94>] (execute_location) from [<c138bd44>] (lkdtm_EXEC_NULL+0x20/0x24)

 2756 07:27:34.496616  # [   81.067172]  r7:c6aebf60 r6:0000000a r5:c6bfd000 r4:00000025

 2757 07:27:34.496923  # [   81.072851] [<c138bd24>] (lkdtm_EXEC_NULL) from [<c0c54374>] (lkdtm_do_action+0x2c/0x4c)

 2758 07:27:34.539185  # [   81.080954] [<c0c54348>] (lkdtm_do_action) from [<c0c54874>] (direct_entry+0x120/0x18c)

 2759 07:27:34.539721  # [   81.088976] [<c0c54754>] (direct_entry) from [<c07e03d4>] (full_proxy_write+0x64/0x94)

 2760 07:27:34.540080  # [   81.096905]  r9:c6aebf60 r8:c3082240 r7:0000000a r6:b6e91000 r5:c68e9040 r4:c0c54754

 2761 07:27:34.540409  # [   81.104667] [<c07e0370>] (full_proxy_write) from [<c059ac40>] (vfs_write+0x10c/0x53c)

 2762 07:27:34.540723  # [   81.112509]  r9:c07e0370 r8:c6aebf60 r7:c2815800 r6:b6e91000 r5:c68e9040 r4:00000000

 2763 07:27:34.541031  # [   81.120266] [<c059ab34>] (vfs_write) from [<c059b1ec>] (ksys_write+0x74/0xec)

 2764 07:27:34.583271  # [   81.127413]  r10:00000004 r9:00000000 r8:00000000 r7:b6e91000 r6:c6aea000 r5:c68e9040

 2765 07:27:34.583809  # [   81.135248]  r4:c68e9040

 2766 07:27:34.584169  # [   81.137797] [<c059b178>] (ksys_write) from [<c059b27c>] (sys_write+0x18/0x1c)

 2767 07:27:34.584504  # [   81.144943]  r9:c6aea000 r8:c03002e4 r7:00000004 r6:b6fd8e00 r5:0000000a r4:0000000a

 2768 07:27:34.584821  # [   81.152703] [<c059b264>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 2769 07:27:34.585127  # [   81.160279] Exception stack(0xc6aebfa8 to 0xc6aebff0)

 2770 07:27:34.626986  # [   81.165342] bfa0:                   0000000a 0000000a 00000001 b6e91000 0000000a 00000000

 2771 07:27:34.627203  # [   81.173531] bfc0: 0000000a 0000000a b6fd8e00 00000004 00000001 00000000 00020000 bec8dac4

 2772 07:27:34.627324  # [   81.181716] bfe0: 00000004 bec8d7f8 b6f42d8f b6ec97e6

 2773 07:27:34.627435  # [   81.186782] Code: bad PC value

 2774 07:27:34.627542  # [   81.189947] ---[ end trace eec2cb921daffbc6 ]---

 2775 07:27:34.627647  # EXEC_NULL: missing 'call trace:': [FAIL]

 2776 07:27:34.627748  not ok 36 selftests: lkdtm: EXEC_NULL.sh # exit=1

 2777 07:27:34.627849  # self[   81.760914] lkdtm: Performing direct entry ACCESS_USERSPACE

 2778 07:27:34.671266  tests: lkdtm: ACCESS_USERSPACE.sh[   81.768424] lkdtm: attempting bad read at b6f52000

 2779 07:27:34.671806  

 2780 07:27:34.672166  [   81.775977] 8<--- cut here ---

 2781 07:27:34.672497  [   81.779204] Unhandled fault: page domain fault (0x01b) at 0xb6f52000

 2782 07:27:34.672816  [   81.785568] pgd = 2b1c87b8

 2783 07:27:34.673122  [   81.788283] [b6f52000] *pgd=494b0831

 2784 07:27:34.673424  [   81.791880] Internal error: : 1b [#10] SMP ARM

 2785 07:27:34.715282  [   81.796334] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3

 2786 07:27:34.715834  [   81.825410] CPU: 1 PID: 2207 Comm: cat Tainted: G      D W         5.10.180-cip33 #1

 2787 07:27:34.716198  [   81.833162] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 2788 07:27:34.716530  [   81.839708] PC is at lkdtm_ACCESS_USERSPACE+0x114/0x16c

 2789 07:27:34.716845  [   81.844945] LR is at 0x0

 2790 07:27:34.717149  [   81.847487] pc : [<c0c5535c>]    lr : [<00000000>]    psr: 600e0013

 2791 07:27:34.717453  [   81.853761] sp : c5c6de38  ip : 00000027  fp : c5c6de64

 2792 07:27:34.759284  [   81.858993] r10: 00000011  r9 : c1acd244  r8 : c15e8cf8

 2793 07:27:34.759789  [   81.864224] r7 : c5c6df60  r6 : 00000051  r5 : c5c6c000  r4 : b6f52000

 2794 07:27:34.760165  [   81.870757] r3 : c960688d  r2 : c960688d  r1 : ef7965e4  r0 : 00000026

 2795 07:27:34.760490  [   81.877295] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 2796 07:27:34.760803  [   81.884439] Control: 10c5387d  Table: 16dac04a  DAC: 00000051

 2797 07:27:34.761109  [   81.890194] Process cat (pid: 2207, stack limit = 0x54250671)

 2798 07:27:34.761407  [   81.895949] Stack: (0xc5c6de38 to 0xc5c6e000)

 2799 07:27:34.803291  [   81.900317] de20:                                                       00000022 00000000

 2800 07:27:34.803797  [   81.908507] de40: 00000000 c960688d c5c6de6c 00000026 c5e44000 00000011 c5c6de74 c5c6de68

 2801 07:27:34.804171  [   81.916696] de60: c0c54374 c0c55254 c5c6de9c c5c6de78 c0c54874 c0c54354 c0c54754 c5b092c0

 2802 07:27:34.804502  [   81.924885] de80: b6e0c000 00000011 c3082240 c5c6df60 c5c6dec4 c5c6dea0 c07e03d4 c0c54760

 2803 07:27:34.804821  [   81.933074] dea0: 00000000 c5b092c0 b6e0c000 c2815800 c5c6df60 c07e0370 c5c6df5c c5c6dec8

 2804 07:27:34.847290  [   81.941263] dec0: c059ac40 c07e037c 00000001 00000000 c059b1ec c13a0ff0 c059b1ec c5c6c000

 2805 07:27:34.847831  [   81.949452] dee0: b6e0c000 00020000 00000004 00000011 0001ffef c5c6dee0 00000001 b6e0b000

 2806 07:27:34.848194  [   81.957639] df00: c68e8f00 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 2807 07:27:34.848523  [   81.965826] df20: 00000000 00000000 c13a0ff0 c960688d c205dc60 c5b092c0 c5b092c0 c5c6c000

 2808 07:27:34.848837  [   81.974016] df40: b6e0c000 00000000 00000000 00000004 c5c6df94 c5c6df60 c059b1ec c059ab40

 2809 07:27:34.849146  [   81.982203] df60: 00000000 00000000 c5c6dfac c960688d 00000011 00000011 b6f53e00 00000004

 2810 07:27:34.891262  [   81.990392] df80: c03002e4 c5c6c000 c5c6dfa4 c5c6df98 c059b27c c059b184 00000000 c5c6dfa8

 2811 07:27:34.891799  [   81.998581] dfa0: c03000c0 c059b270 00000011 00000011 00000001 b6e0c000 00000011 00000000

 2812 07:27:34.892159  [   82.006768] dfc0: 00000011 00000011 b6f53e00 00000004 00000001 00000000 00020000 bebbcac4

 2813 07:27:34.892484  [   82.014957] dfe0: 00000004 bebbc7f8 b6ebdd8f b6e447e6 800e0030 00000001 00000000 00000000

 2814 07:27:34.892797  [   82.023139] Backtrace: 

 2815 07:27:34.935268  [   82.025609] [<c0c55248>] (lkdtm_ACCESS_USERSPACE) from [<c0c54374>] (lkdtm_do_action+0x2c/0x4c)

 2816 07:27:34.935804  [   82.034320]  r6:00000011 r5:c5e44000 r4:00000026

 2817 07:27:34.936163  [   82.038951] [<c0c54348>] (lkdtm_do_action) from [<c0c54874>] (direct_entry+0x120/0x18c)

 2818 07:27:34.936490  [   82.046973] [<c0c54754>] (direct_entry) from [<c07e03d4>] (full_proxy_write+0x64/0x94)

 2819 07:27:34.936803  [   82.054903]  r9:c5c6df60 r8:c3082240 r7:00000011 r6:b6e0c000 r5:c5b092c0 r4:c0c54754

 2820 07:27:34.937110  [   82.062664] [<c07e0370>] (full_proxy_write) from [<c059ac40>] (vfs_write+0x10c/0x53c)

 2821 07:27:34.979041  [   82.070506]  r9:c07e0370 r8:c5c6df60 r7:c2815800 r6:b6e0c000 r5:c5b092c0 r4:00000000

 2822 07:27:34.979579  [   82.078261] [<c059ab34>] (vfs_write) from [<c059b1ec>] (ksys_write+0x74/0xec)

 2823 07:27:34.979947  [   82.085407]  r10:00000004 r9:00000000 r8:00000000 r7:b6e0c000 r6:c5c6c000 r5:c5b092c0

 2824 07:27:34.980274  [   82.093242]  r4:c5b092c0

 2825 07:27:34.980589  [   82.095789] [<c059b178>] (ksys_write) from [<c059b27c>] (sys_write+0x18/0x1c)

 2826 07:27:34.980899  [   82.102936]  r9:c5c6c000 r8:c03002e4 r7:00000004 r6:b6f53e00 r5:00000011 r4:00000011

 2827 07:27:34.981202  [   82.110694] [<c059b264>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 2828 07:27:35.022705  [   82.118270] Exception stack(0xc5c6dfa8 to 0xc5c6dff0)

 2829 07:27:35.022881  [   82.123332] dfa0:                   00000011 00000011 00000001 b6e0c000 00000011 00000000

 2830 07:27:35.022951  [   82.131520] dfc0: 00000011 00000011 b6f53e00 00000004 00000001 00000000 00020000 bebbcac4

 2831 07:27:35.023043  [   82.139706] dfe0: 00000004 bebbc7f8 b6ebdd8f b6e447e6

 2832 07:27:35.023133  [   82.144770] Code: e1a01004 e30e0168 e34c01ac eb1cae86 (e5943000) 

 2833 07:27:35.023207  [   82.150878] ---[ end trace eec2cb921daffbc7 ]---

 2834 07:27:35.023294  # Segmentation fault

 2835 07:27:35.155717  # [   81.760914] lkdtm: Performing direct entry ACCESS_USERSPACE

 2836 07:27:35.155890  # [   81.768424] lkdtm: attempting bad read at b6f52000

 2837 07:27:35.155961  # [   81.775977] 8<--- cut here ---

 2838 07:27:35.156053  # [   81.779204] Unhandled fault: page domain fault (0x01b) at 0xb6f52000

 2839 07:27:35.156114  # [   81.785568] pgd = 2b1c87b8

 2840 07:27:35.156202  # [   81.788283] [b6f52000] *pgd=494b0831

 2841 07:27:35.156273  # [   81.791880] Internal error: : 1b [#10] SMP ARM

 2842 07:27:35.198683  # [   81.796334] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3

 2843 07:27:35.198770  # [   81.825410] CPU: 1 PID: 2207 Comm: cat Tainted: G      D W         5.10.180-cip33 #1

 2844 07:27:35.198898  # [   81.833162] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 2845 07:27:35.198988  # [   81.839708] PC is at lkdtm_ACCESS_USERSPACE+0x114/0x16c

 2846 07:27:35.199061  # [   81.844945] LR is at 0x0

 2847 07:27:35.242648  # [   81.847487] pc : [<c0c5535c>]    lr : [<00000000>]    psr: 600e0013

 2848 07:27:35.242732  # [   81.853761] sp : c5c6de38  ip : 00000027  fp : c5c6de64

 2849 07:27:35.242799  # [   81.858993] r10: 00000011  r9 : c1acd244  r8 : c15e8cf8

 2850 07:27:35.242883  # [   81.864224] r7 : c5c6df60  r6 : 00000051  r5 : c5c6c000  r4 : b6f52000

 2851 07:27:35.242984  # [   81.870757] r3 : c960688d  r2 : c960688d  r1 : ef7965e4  r0 : 00000026

 2852 07:27:35.243078  # [   81.877295] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 2853 07:27:35.243136  # [   81.884439] Control: 10c5387d  Table: 16dac04a  DAC: 00000051

 2854 07:27:35.286693  # [   81.890194] Process cat (pid: 2207, stack limit = 0x54250671)

 2855 07:27:35.286791  # [   81.895949] Stack: (0xc5c6de38 to 0xc5c6e000)

 2856 07:27:35.286887  # [   81.900317] de20:                                                       00000022 00000000

 2857 07:27:35.286979  # [   81.908507] de40: 00000000 c960688d c5c6de6c 00000026 c5e44000 00000011 c5c6de74 c5c6de68

 2858 07:27:35.287068  # [   81.916696] de60: c0c54374 c0c55254 c5c6de9c c5c6de78 c0c54874 c0c54354 c0c54754 c5b092c0

 2859 07:27:35.287141  # [   81.924885] de80: b6e0c000 00000011 c3082240 c5c6df60 c5c6dec4 c5c6dea0 c07e03d4 c0c54760

 2860 07:27:35.330747  # [   81.933074] dea0: 00000000 c5b092c0 b6e0c000 c2815800 c5c6df60 c07e0370 c5c6df5c c5c6dec8

 2861 07:27:35.330831  # [   81.941263] dec0: c059ac40 c07e037c 00000001 00000000 c059b1ec c13a0ff0 c059b1ec c5c6c000

 2862 07:27:35.330898  # [   81.949452] dee0: b6e0c000 00020000 00000004 00000011 0001ffef c5c6dee0 00000001 b6e0b000

 2863 07:27:35.330960  # [   81.957639] df00: c68e8f00 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 2864 07:27:35.331020  # [   81.965826] df20: 00000000 00000000 c13a0ff0 c960688d c205dc60 c5b092c0 c5b092c0 c5c6c000

 2865 07:27:35.375132  # [   81.974016] df40: b6e0c000 00000000 00000000 00000004 c5c6df94 c5c6df60 c059b1ec c059ab40

 2866 07:27:35.375640  # [   81.982203] df60: 00000000 00000000 c5c6dfac c960688d 00000011 00000011 b6f53e00 00000004

 2867 07:27:35.375988  # [   81.990392] df80: c03002e4 c5c6c000 c5c6dfa4 c5c6df98 c059b27c c059b184 00000000 c5c6dfa8

 2868 07:27:35.376289  # [   81.998581] dfa0: c03000c0 c059b270 00000011 00000011 00000001 b6e0c000 00000011 00000000

 2869 07:27:35.376577  # [   82.006768] dfc0: 00000011 00000011 b6f53e00 00000004 00000001 00000000 00020000 bebbcac4

 2870 07:27:35.419171  # [   82.014957] dfe0: 00000004 bebbc7f8 b6ebdd8f b6e447e6 800e0030 00000001 00000000 00000000

 2871 07:27:35.419696  # [   82.023139] Backtrace: 

 2872 07:27:35.420057  # [   82.025609] [<c0c55248>] (lkdtm_ACCESS_USERSPACE) from [<c0c54374>] (lkdtm_do_action+0x2c/0x4c)

 2873 07:27:35.420385  # [   82.034320]  r6:00000011 r5:c5e44000 r4:00000026

 2874 07:27:35.420700  # [   82.038951] [<c0c54348>] (lkdtm_do_action) from [<c0c54874>] (direct_entry+0x120/0x18c)

 2875 07:27:35.421010  # [   82.046973] [<c0c54754>] (direct_entry) from [<c07e03d4>] (full_proxy_write+0x64/0x94)

 2876 07:27:35.463016  # [   82.054903]  r9:c5c6df60 r8:c3082240 r7:00000011 r6:b6e0c000 r5:c5b092c0 r4:c0c54754

 2877 07:27:35.463555  # [   82.062664] [<c07e0370>] (full_proxy_write) from [<c059ac40>] (vfs_write+0x10c/0x53c)

 2878 07:27:35.463932  # [   82.070506]  r9:c07e0370 r8:c5c6df60 r7:c2815800 r6:b6e0c000 r5:c5b092c0 r4:00000000

 2879 07:27:35.464261  # [   82.078261] [<c059ab34>] (vfs_write) from [<c059b1ec>] (ksys_write+0x74/0xec)

 2880 07:27:35.464576  # [   82.085407]  r10:00000004 r9:00000000 r8:00000000 r7:b6e0c000 r6:c5c6c000 r5:c5b092c0

 2881 07:27:35.464880  # [   82.093242]  r4:c5b092c0

 2882 07:27:35.465180  # [   82.095789] [<c059b178>] (ksys_write) from [<c059b27c>] (sys_write+0x18/0x1c)

 2883 07:27:35.507128  # [   82.102936]  r9:c5c6c000 r8:c03002e4 r7:00000004 r6:b6f53e00 r5:00000011 r4:00000011

 2884 07:27:35.507659  # [   82.110694] [<c059b264>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 2885 07:27:35.508023  # [   82.118270] Exception stack(0xc5c6dfa8 to 0xc5c6dff0)

 2886 07:27:35.508350  # [   82.123332] dfa0:                   00000011 00000011 00000001 b6e0c000 00000011 00000000

 2887 07:27:35.508666  # [   82.131520] dfc0: 00000011 00000011 b6f53e00 00000004 00000001 00000000 00020000 bebbcac4

 2888 07:27:35.508973  # [   82.139706] dfe0: 00000004 bebbc7f8 b6ebdd8f b6e447e6

 2889 07:27:35.551033  # [   82.144770] Code: e1a01004 e30e0168 e34c01ac eb1cae86 (e5943000) 

 2890 07:27:35.551563  # [   82.150878] ---[ end trace eec2cb921daffbc7 ]---

 2891 07:27:35.551923  # ACCESS_USERSPACE: missing 'call trace:': [FAIL]

 2892 07:27:35.552252  not ok 37 selftests: lkdtm: ACCESS_USERSPACE.sh # exit=1

 2893 07:27:35.552572  # selftests: lkdtm: ACCESS_NULL.sh

 2894 07:27:35.597812  [   82.707455] lkdtm: Performing direct entry ACCESS_NULL

 2895 07:27:35.598333  [   82.712622] lkdtm: attempting bad read at 00000000

 2896 07:27:35.598723  [   82.717538] 8<--- cut here ---

 2897 07:27:35.599055  [   82.720630] Unable to handle kernel NULL pointer dereference at virtual address 00000000

 2898 07:27:35.599373  [   82.728802] pgd = 7016fe64

 2899 07:27:35.599678  [   82.731543] [00000000] *pgd=00000000

 2900 07:27:35.599978  [   82.735151] Internal error: Oops: 5 [#11] SMP ARM

 2901 07:27:35.641411  [   82.739866] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3

 2902 07:27:35.641959  [   82.768928] CPU: 1 PID: 2282 Comm: cat Tainted: G      D W         5.10.180-cip33 #1

 2903 07:27:35.642320  [   82.776679] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 2904 07:27:35.642680  [   82.783231] PC is at lkdtm_ACCESS_NULL+0x28/0x68

 2905 07:27:35.642999  [   82.787870] LR is at __irq_work_queue_local+0x40/0x74

 2906 07:27:35.684598  [   82.792931] pc : [<c138bd70>]    lr : [<c049d9c4>]    psr: 600e0013

 2907 07:27:35.685131  [   82.799206] sp : c5dd7e50  ip : c5dd7d58  fp : c5dd7e64

 2908 07:27:35.685487  [   82.804437] r10: 0000000c  r9 : c1acd258  r8 : c15e8cf8

 2909 07:27:35.685814  [   82.809670] r7 : c5dd7f60  r6 : 0000000c  r5 : c6c1c000  r4 : 00000000

 2910 07:27:35.686130  [   82.816203] r3 : f178d7b7  r2 : f178d7b7  r1 : ef7965e0  r0 : 00000026

 2911 07:27:35.686438  [   82.822741] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 2912 07:27:35.686772  [   82.829886] Control: 10c5387d  Table: 168f004a  DAC: 00000051

 2913 07:27:35.727536  [   82.835642] Process cat (pid: 2282, stack limit = 0x9e6df80b)

 2914 07:27:35.728065  [   82.841398] Stack: (0xc5dd7e50 to 0xc5dd8000)

 2915 07:27:35.728420  [   82.845768] 7e40:                                     00000027 c6c1c000 c5dd7e74 c5dd7e68

 2916 07:27:35.728751  [   82.853959] 7e60: c0c54374 c138bd54 c5dd7e9c c5dd7e78 c0c54874 c0c54354 c0c54754 c5e82dc0

 2917 07:27:35.729066  [   82.862147] 7e80: b6df9000 0000000c c3082240 c5dd7f60 c5dd7ec4 c5dd7ea0 c07e03d4 c0c54760

 2918 07:27:35.729373  [   82.870335] 7ea0: 00000000 c5e82dc0 b6df9000 c2815800 c5dd7f60 c07e0370 c5dd7f5c c5dd7ec8

 2919 07:27:35.771114  [   82.878525] 7ec0: c059ac40 c07e037c 00000001 00000000 c059b1ec c44af764 c059b1ec c5dd6000

 2920 07:27:35.771639  [   82.886715] 7ee0: b6df9000 00020000 00000004 0000000c 0001fff4 c5dd7ee0 00000001 00000805

 2921 07:27:35.771994  [   82.894902] 7f00: c6ad1900 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 2922 07:27:35.772324  [   82.903091] 7f20: 00000000 00000000 c5dd6000 f178d7b7 b6df8000 c5e82dc0 c5e82dc0 c5dd6000

 2923 07:27:35.772638  [   82.911279] 7f40: b6df9000 00000000 00000000 00000004 c5dd7f94 c5dd7f60 c059b1ec c059ab40

 2924 07:27:35.815001  [   82.919468] 7f60: 00000000 00000000 c5dd7fac f178d7b7 0000000c 0000000c b6f40e00 00000004

 2925 07:27:35.815528  [   82.927657] 7f80: c03002e4 c5dd6000 c5dd7fa4 c5dd7f98 c059b27c c059b184 00000000 c5dd7fa8

 2926 07:27:35.815892  [   82.935845] 7fa0: c03000c0 c059b270 0000000c 0000000c 00000001 b6df9000 0000000c 00000000

 2927 07:27:35.816221  [   82.944034] 7fc0: 0000000c 0000000c b6f40e00 00000004 00000001 00000000 00020000 be922ac4

 2928 07:27:35.816535  [   82.952223] 7fe0: 00000004 be9227f8 b6eaad8f b6e317e6 800e0030 00000001 00000000 00000000

 2929 07:27:35.816842  [   82.960405] Backtrace: 

 2930 07:27:35.859107  [   82.962881] [<c138bd48>] (lkdtm_ACCESS_NULL) from [<c0c54374>] (lkdtm_do_action+0x2c/0x4c)

 2931 07:27:35.859637  [   82.971154]  r5:c6c1c000 r4:00000027

 2932 07:27:35.860001  [   82.974744] [<c0c54348>] (lkdtm_do_action) from [<c0c54874>] (direct_entry+0x120/0x18c)

 2933 07:27:35.860331  [   82.982768] [<c0c54754>] (direct_entry) from [<c07e03d4>] (full_proxy_write+0x64/0x94)

 2934 07:27:35.860648  [   82.990696]  r9:c5dd7f60 r8:c3082240 r7:0000000c r6:b6df9000 r5:c5e82dc0 r4:c0c54754

 2935 07:27:35.860958  [   82.998459] [<c07e0370>] (full_proxy_write) from [<c059ac40>] (vfs_write+0x10c/0x53c)

 2936 07:27:35.903128  [   83.006300]  r9:c07e0370 r8:c5dd7f60 r7:c2815800 r6:b6df9000 r5:c5e82dc0 r4:00000000

 2937 07:27:35.903658  [   83.014055] [<c059ab34>] (vfs_write) from [<c059b1ec>] (ksys_write+0x74/0xec)

 2938 07:27:35.904021  [   83.021202]  r10:00000004 r9:00000000 r8:00000000 r7:b6df9000 r6:c5dd6000 r5:c5e82dc0

 2939 07:27:35.904349  [   83.029038]  r4:c5e82dc0

 2940 07:27:35.904658  [   83.031588] [<c059b178>] (ksys_write) from [<c059b27c>] (sys_write+0x18/0x1c)

 2941 07:27:35.904966  [   83.038736]  r9:c5dd6000 r8:c03002e4 r7:00000004 r6:b6f40e00 r5:0000000c r4:0000000c

 2942 07:27:35.954470  [   83.046501] [<c059b264>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 2943 07:27:35.954657  [   83.054080] Exception stack(0xc5dd7fa8 to 0xc5dd7ff0)

 2944 07:27:35.954725  [   83.059146] 7fa0:                   0000000c 0000000c 00000001 b6df9000 0000000c 00000000

 2945 07:27:35.954788  [   83.067337] 7fc0: 0000000c 0000000c b6f40e00 00000004 00000001 00000000 00020000 be922ac4

 2946 07:27:35.954909  [   83.075525] 7fe0: 00000004 be9227f8 b6eaad8f b6e317e6

 2947 07:27:35.954969  [   83.080590] Code: e30e0168 e34c01ac e1a01004 ebffd401 (e5945000) 

 2948 07:27:35.955027  [   83.086783] ---[ end trace eec2cb921daffbc8 ]---

 2949 07:27:35.955111  # Segmentation fault

 2950 07:27:36.116555  # [   82.707455] lkdtm: Performing direct entry ACCESS_NULL

 2951 07:27:36.116722  # [   82.712622] lkdtm: attempting bad read at 00000000

 2952 07:27:36.116792  # [   82.717538] 8<--- cut here ---

 2953 07:27:36.116884  # [   82.720630] Unable to handle kernel NULL pointer dereference at virtual address 00000000

 2954 07:27:36.116975  # [   82.728802] pgd = 7016fe64

 2955 07:27:36.117035  # [   82.731543] [00000000] *pgd=00000000

 2956 07:27:36.117121  # [   82.735151] Internal error: Oops: 5 [#11] SMP ARM

 2957 07:27:36.159638  # [   82.739866] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3

 2958 07:27:36.159738  # [   82.768928] CPU: 1 PID: 2282 Comm: cat Tainted: G      D W         5.10.180-cip33 #1

 2959 07:27:36.159816  # [   82.776679] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 2960 07:27:36.159887  # [   82.783231] PC is at lkdtm_ACCESS_NULL+0x28/0x68

 2961 07:27:36.202803  # [   82.787870] LR is at __irq_work_queue_local+0x40/0x74

 2962 07:27:36.202998  # [   82.792931] pc : [<c138bd70>]    lr : [<c049d9c4>]    psr: 600e0013

 2963 07:27:36.203112  # [   82.799206] sp : c5dd7e50  ip : c5dd7d58  fp : c5dd7e64

 2964 07:27:36.203212  # [   82.804437] r10: 0000000c  r9 : c1acd258  r8 : c15e8cf8

 2965 07:27:36.203307  # [   82.809670] r7 : c5dd7f60  r6 : 0000000c  r5 : c6c1c000  r4 : 00000000

 2966 07:27:36.203411  # [   82.816203] r3 : f178d7b7  r2 : f178d7b7  r1 : ef7965e0  r0 : 00000026

 2967 07:27:36.203505  # [   82.822741] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 2968 07:27:36.250961  # [   82.829886] Control: 10c5387d  Table: 168f004a  DAC: 00000051

 2969 07:27:36.251473  # [   82.835642] Process cat (pid: 2282, stack limit = 0x9e6df80b)

 2970 07:27:36.251818  # [   82.841398] Stack: (0xc5dd7e50 to 0xc5dd8000)

 2971 07:27:36.252121  # [   82.845768] 7e40:                                     00000027 c6c1c000 c5dd7e74 c5dd7e68

 2972 07:27:36.252412  # [   82.853959] 7e60: c0c54374 c138bd54 c5dd7e9c c5dd7e78 c0c54874 c0c54354 c0c54754 c5e82dc0

 2973 07:27:36.252696  # [   82.862147] 7e80: b6df9000 0000000c c3082240 c5dd7f60 c5dd7ec4 c5dd7ea0 c07e03d4 c0c54760

 2974 07:27:36.294978  # [   82.870335] 7ea0: 00000000 c5e82dc0 b6df9000 c2815800 c5dd7f60 c07e0370 c5dd7f5c c5dd7ec8

 2975 07:27:36.295484  # [   82.878525] 7ec0: c059ac40 c07e037c 00000001 00000000 c059b1ec c44af764 c059b1ec c5dd6000

 2976 07:27:36.295827  # [   82.886715] 7ee0: b6df9000 00020000 00000004 0000000c 0001fff4 c5dd7ee0 00000001 00000805

 2977 07:27:36.296132  # [   82.894902] 7f00: c6ad1900 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 2978 07:27:36.296425  # [   82.903091] 7f20: 00000000 00000000 c5dd6000 f178d7b7 b6df8000 c5e82dc0 c5e82dc0 c5dd6000

 2979 07:27:36.338948  # [   82.911279] 7f40: b6df9000 00000000 00000000 00000004 c5dd7f94 c5dd7f60 c059b1ec c059ab40

 2980 07:27:36.339483  # [   82.919468] 7f60: 00000000 00000000 c5dd7fac f178d7b7 0000000c 0000000c b6f40e00 00000004

 2981 07:27:36.339839  # [   82.927657] 7f80: c03002e4 c5dd6000 c5dd7fa4 c5dd7f98 c059b27c c059b184 00000000 c5dd7fa8

 2982 07:27:36.340165  # [   82.935845] 7fa0: c03000c0 c059b270 0000000c 0000000c 00000001 b6df9000 0000000c 00000000

 2983 07:27:36.340482  # [   82.944034] 7fc0: 0000000c 0000000c b6f40e00 00000004 00000001 00000000 00020000 be922ac4

 2984 07:27:36.340790  # [   82.952223] 7fe0: 00000004 be9227f8 b6eaad8f b6e317e6 800e0030 00000001 00000000 00000000

 2985 07:27:36.382880  # [   82.960405] Backtrace: 

 2986 07:27:36.383371  # [   82.962881] [<c138bd48>] (lkdtm_ACCESS_NULL) from [<c0c54374>] (lkdtm_do_action+0x2c/0x4c)

 2987 07:27:36.383717  # [   82.971154]  r5:c6c1c000 r4:00000027

 2988 07:27:36.384026  # [   82.974744] [<c0c54348>] (lkdtm_do_action) from [<c0c54874>] (direct_entry+0x120/0x18c)

 2989 07:27:36.384320  # [   82.982768] [<c0c54754>] (direct_entry) from [<c07e03d4>] (full_proxy_write+0x64/0x94)

 2990 07:27:36.384606  # [   82.990696]  r9:c5dd7f60 r8:c3082240 r7:0000000c r6:b6df9000 r5:c5e82dc0 r4:c0c54754

 2991 07:27:36.427253  # [   82.998459] [<c07e0370>] (full_proxy_write) from [<c059ac40>] (vfs_write+0x10c/0x53c)

 2992 07:27:36.427786  # [   83.006300]  r9:c07e0370 r8:c5dd7f60 r7:c2815800 r6:b6df9000 r5:c5e82dc0 r4:00000000

 2993 07:27:36.428148  # [   83.014055] [<c059ab34>] (vfs_write) from [<c059b1ec>] (ksys_write+0x74/0xec)

 2994 07:27:36.428475  # [   83.021202]  r10:00000004 r9:00000000 r8:00000000 r7:b6df9000 r6:c5dd6000 r5:c5e82dc0

 2995 07:27:36.428790  # [   83.029038]  r4:c5e82dc0

 2996 07:27:36.429096  # [   83.031588] [<c059b178>] (ksys_write) from [<c059b27c>] (sys_write+0x18/0x1c)

 2997 07:27:36.470833  # [   83.038736]  r9:c5dd6000 r8:c03002e4 r7:00000004 r6:b6f40e00 r5:0000000c r4:0000000c

 2998 07:27:36.471012  # [   83.046501] [<c059b264>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 2999 07:27:36.471101  # [   83.054080] Exception stack(0xc5dd7fa8 to 0xc5dd7ff0)

 3000 07:27:36.471182  # [   83.059146] 7fa0:                   0000000c 0000000c 00000001 b6df9000 0000000c 00000000

 3001 07:27:36.471259  # [   83.067337] 7fc0: 0000000c 0000000c b6f40e00 00000004 00000001 00000000 00020000 be922ac4

 3002 07:27:36.471334  # [   83.075525] 7fe0: 00000004 be9227f8 b6eaad8f b6e317e6

 3003 07:27:36.471407  # [   83.080590] Code: e30e0168 e34c01ac e1a01004 ebffd401 (e5945000) 

 3004 07:27:36.514975  # [   83.086783] ---[ end trace eec2cb921daffbc8 ]---

 3005 07:27:36.515225  # ACCESS_NULL: missing 'call trace:': [FAIL]

 3006 07:27:36.515373  not ok 38 selftests: lkdtm: ACCESS_NULL.sh # exit=1

 3007 07:27:36.515514  # selftests: l[   83.627415] lkdtm: Performing direct entry WRITE_RO

 3008 07:27:36.515646  kdtm: WRITE_RO.sh

 3009 07:27:36.515773  [   83.633323] lkdtm: attempting bad rodata write at c15e8f90

 3010 07:27:36.515898  [   83.640506] 8<--- cut here ---

 3011 07:27:36.516056  [   83.643580] Unable to handle kernel paging request at virtual address c15e8f90

 3012 07:27:36.516189  [   83.650815] pgd = 38f3dc3e

 3013 07:27:36.516323  [   83.653532] [c15e8f90] *pgd=1141941e(bad)

 3014 07:27:36.559242  [   83.657569] Internal error: Oops: 80d [#12] SMP ARM

 3015 07:27:36.559771  [   83.662457] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3

 3016 07:27:36.560149  [   83.691530] CPU: 0 PID: 2356 Comm: cat Tainted: G      D W         5.10.180-cip33 #1

 3017 07:27:36.603241  [   83.699283] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 3018 07:27:36.603770  [   83.705834] PC is at lkdtm_WRITE_RO+0x44/0x50

 3019 07:27:36.604130  [   83.710213] LR is at __irq_work_queue_local+0x40/0x74

 3020 07:27:36.604456  [   83.715276] pc : [<c138bb8c>]    lr : [<c049d9c4>]    psr: 600e0013

 3021 07:27:36.604770  [   83.721549] sp : c5c03e50  ip : c5c03d58  fp : c5c03e64

 3022 07:27:36.605076  [   83.726779] r10: 00000009  r9 : c1acd264  r8 : c15e8cf8

 3023 07:27:36.605378  [   83.732011] r7 : c5c03f60  r6 : 00000009  r5 : c6bad000  r4 : c15e8f90

 3024 07:27:36.647233  [   83.738546] r3 : 0198b861  r2 : aa55aa55  r1 : ef7815e0  r0 : c1ace068

 3025 07:27:36.647762  [   83.745082] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 3026 07:27:36.648122  [   83.752227] Control: 10c5387d  Table: 1471404a  DAC: 00000051

 3027 07:27:36.648444  [   83.757981] Process cat (pid: 2356, stack limit = 0xa3d5e96a)

 3028 07:27:36.648749  [   83.763735] Stack: (0xc5c03e50 to 0xc5c04000)

 3029 07:27:36.649047  [   83.768105] 3e40:                                     00000028 c6bad000 c5c03e74 c5c03e68

 3030 07:27:36.649340  [   83.776293] 3e60: c0c54374 c138bb54 c5c03e9c c5c03e78 c0c54874 c0c54354 c0c54754 c5e80dc0

 3031 07:27:36.691034  [   83.784483] 3e80: b6e54000 00000009 c3082240 c5c03f60 c5c03ec4 c5c03ea0 c07e03d4 c0c54760

 3032 07:27:36.691236  [   83.792671] 3ea0: 00000000 c5e80dc0 b6e54000 c2815800 c5c03f60 c07e0370 c5c03f5c c5c03ec8

 3033 07:27:36.691345  [   83.800863] 3ec0: c059ac40 c07e037c 00000001 00000000 c059b1ec c13a0ff0 c059b1ec c5c02000

 3034 07:27:36.691444  [   83.809052] 3ee0: b6e54000 00020000 00000004 00000009 0001fff7 c5c03ee0 00000001 b6e53000

 3035 07:27:36.691537  [   83.817239] 3f00: c5e13900 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 3036 07:27:36.735131  [   83.825431] 3f20: 00000000 00000000 c13a0ff0 67f578c5 c205dc60 c5e80dc0 c5e80dc0 c5c02000

 3037 07:27:36.735478  [   83.833619] 3f40: b6e54000 00000000 00000000 00000004 c5c03f94 c5c03f60 c059b1ec c059ab40

 3038 07:27:36.735696  [   83.841809] 3f60: 00000000 00000000 c5c03fac 67f578c5 00000009 00000009 b6f9be00 00000004

 3039 07:27:36.735894  [   83.849998] 3f80: c03002e4 c5c02000 c5c03fa4 c5c03f98 c059b27c c059b184 00000000 c5c03fa8

 3040 07:27:36.736086  [   83.858185] 3fa0: c03000c0 c059b270 00000009 00000009 00000001 b6e54000 00000009 00000000

 3041 07:27:36.779251  [   83.866374] 3fc0: 00000009 00000009 b6f9be00 00000004 00000001 00000000 00020000 bee99ac4

 3042 07:27:36.779771  [   83.874563] 3fe0: 00000004 bee997f8 b6f05d8f b6e8c7e6 800e0030 00000001 00000000 00000000

 3043 07:27:36.780118  [   83.882744] Backtrace: 

 3044 07:27:36.780434  [   83.885222] [<c138bb48>] (lkdtm_WRITE_RO) from [<c0c54374>] (lkdtm_do_action+0x2c/0x4c)

 3045 07:27:36.780741  [   83.893235]  r5:c6bad000 r4:00000028

 3046 07:27:36.781042  [   83.896825] [<c0c54348>] (lkdtm_do_action) from [<c0c54874>] (direct_entry+0x120/0x18c)

 3047 07:27:36.781341  [   83.904849] [<c0c54754>] (direct_entry) from [<c07e03d4>] (full_proxy_write+0x64/0x94)

 3048 07:27:36.823259  [   83.912778]  r9:c5c03f60 r8:c3082240 r7:00000009 r6:b6e54000 r5:c5e80dc0 r4:c0c54754

 3049 07:27:36.823779  [   83.920538] [<c07e0370>] (full_proxy_write) from [<c059ac40>] (vfs_write+0x10c/0x53c)

 3050 07:27:36.824127  [   83.928382]  r9:c07e0370 r8:c5c03f60 r7:c2815800 r6:b6e54000 r5:c5e80dc0 r4:00000000

 3051 07:27:36.824447  [   83.936138] [<c059ab34>] (vfs_write) from [<c059b1ec>] (ksys_write+0x74/0xec)

 3052 07:27:36.824765  [   83.943286]  r10:00000004 r9:00000000 r8:00000000 r7:b6e54000 r6:c5c02000 r5:c5e80dc0

 3053 07:27:36.825064  [   83.951122]  r4:c5e80dc0

 3054 07:27:36.825352  [   83.953669] [<c059b178>] (ksys_write) from [<c059b27c>] (sys_write+0x18/0x1c)

 3055 07:27:36.866868  [   83.960816]  r9:c5c02000 r8:c03002e4 r7:00000004 r6:b6f9be00 r5:00000009 r4:00000009

 3056 07:27:36.867395  [   83.968575] [<c059b264>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 3057 07:27:36.867769  [   83.976153] Exception stack(0xc5c03fa8 to 0xc5c03ff0)

 3058 07:27:36.868113  [   83.981215] 3fa0:                   00000009 00000009 00000001 b6e54000 00000009 00000000

 3059 07:27:36.868448  [   83.989402] 3fc0: 00000009 00000009 b6f9be00 00000004 00000001 00000000 00020000 bee99ac4

 3060 07:27:36.868756  [   83.997588] 3fe0: 00000004 bee997f8 b6f05d8f b6e8c7e6

 3061 07:27:36.910995  [   84.002652] Code: e34a3bcd e30e0068 e34c01ac e0233002 (e5843000) 

 3062 07:27:36.911520  [   84.008760] ---[ end trace eec2cb921daffbc9 ]---

 3063 07:27:36.911881  # Segmentation fault

 3064 07:27:37.026545  # [   83.627415] lkdtm: Performing direct entry WRITE_RO

 3065 07:27:37.026724  # [   83.633323] lkdtm: attempting bad rodata write at c15e8f90

 3066 07:27:37.026815  # [   83.640506] 8<--- cut here ---

 3067 07:27:37.026908  # [   83.643580] Unable to handle kernel paging request at virtual address c15e8f90

 3068 07:27:37.026991  # [   83.650815] pgd = 38f3dc3e

 3069 07:27:37.027070  # [   83.653532] [c15e8f90] *pgd=1141941e(bad)

 3070 07:27:37.027148  # [   83.657569] Internal error: Oops: 80d [#12] SMP ARM

 3071 07:27:37.069800  # [   83.662457] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3

 3072 07:27:37.070212  # [   83.691530] CPU: 0 PID: 2356 Comm: cat Tainted: G      D W         5.10.180-cip33 #1

 3073 07:27:37.070654  # [   83.699283] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 3074 07:27:37.071007  # [   83.705834] PC is at lkdtm_WRITE_RO+0x44/0x50

 3075 07:27:37.112979  # [   83.710213] LR is at __irq_work_queue_local+0x40/0x74

 3076 07:27:37.113450  # [   83.715276] pc : [<c138bb8c>]    lr : [<c049d9c4>]    psr: 600e0013

 3077 07:27:37.113771  # [   83.721549] sp : c5c03e50  ip : c5c03d58  fp : c5c03e64

 3078 07:27:37.114072  # [   83.726779] r10: 00000009  r9 : c1acd264  r8 : c15e8cf8

 3079 07:27:37.114359  # [   83.732011] r7 : c5c03f60  r6 : 00000009  r5 : c6bad000  r4 : c15e8f90

 3080 07:27:37.114704  # [   83.738546] r3 : 0198b861  r2 : aa55aa55  r1 : ef7815e0  r0 : c1ace068

 3081 07:27:37.114999  # [   83.745082] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 3082 07:27:37.156106  # [   83.752227] Control: 10c5387d  Table: 1471404a  DAC: 00000051

 3083 07:27:37.156607  # [   83.757981] Process cat (pid: 2356, stack limit = 0xa3d5e96a)

 3084 07:27:37.156939  # [   83.763735] Stack: (0xc5c03e50 to 0xc5c04000)

 3085 07:27:37.157238  # [   83.768105] 3e40:                                     00000028 c6bad000 c5c03e74 c5c03e68

 3086 07:27:37.157527  # [   83.776293] 3e60: c0c54374 c138bb54 c5c03e9c c5c03e78 c0c54874 c0c54354 c0c54754 c5e80dc0

 3087 07:27:37.157811  # [   83.784483] 3e80: b6e54000 00000009 c3082240 c5c03f60 c5c03ec4 c5c03ea0 c07e03d4 c0c54760

 3088 07:27:37.199197  # [   83.792671] 3ea0: 00000000 c5e80dc0 b6e54000 c2815800 c5c03f60 c07e0370 c5c03f5c c5c03ec8

 3089 07:27:37.199697  # [   83.800863] 3ec0: c059ac40 c07e037c 00000001 00000000 c059b1ec c13a0ff0 c059b1ec c5c02000

 3090 07:27:37.200021  # [   83.809052] 3ee0: b6e54000 00020000 00000004 00000009 0001fff7 c5c03ee0 00000001 b6e53000

 3091 07:27:37.200320  # [   83.817239] 3f00: c5e13900 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 3092 07:27:37.200610  # [   83.825431] 3f20: 00000000 00000000 c13a0ff0 67f578c5 c205dc60 c5e80dc0 c5e80dc0 c5c02000

 3093 07:27:37.247062  # [   83.833619] 3f40: b6e54000 00000000 00000000 00000004 c5c03f94 c5c03f60 c059b1ec c059ab40

 3094 07:27:37.247608  # [   83.841809] 3f60: 00000000 00000000 c5c03fac 67f578c5 00000009 00000009 b6f9be00 00000004

 3095 07:27:37.248014  # [   83.849998] 3f80: c03002e4 c5c02000 c5c03fa4 c5c03f98 c059b27c c059b184 00000000 c5c03fa8

 3096 07:27:37.248343  # [   83.858185] 3fa0: c03000c0 c059b270 00000009 00000009 00000001 b6e54000 00000009 00000000

 3097 07:27:37.248662  # [   83.866374] 3fc0: 00000009 00000009 b6f9be00 00000004 00000001 00000000 00020000 bee99ac4

 3098 07:27:37.248971  # [   83.874563] 3fe0: 00000004 bee997f8 b6f05d8f b6e8c7e6 800e0030 00000001 00000000 00000000

 3099 07:27:37.291067  # [   83.882744] Backtrace: 

 3100 07:27:37.291599  # [   83.885222] [<c138bb48>] (lkdtm_WRITE_RO) from [<c0c54374>] (lkdtm_do_action+0x2c/0x4c)

 3101 07:27:37.291961  # [   83.893235]  r5:c6bad000 r4:00000028

 3102 07:27:37.292286  # [   83.896825] [<c0c54348>] (lkdtm_do_action) from [<c0c54874>] (direct_entry+0x120/0x18c)

 3103 07:27:37.292600  # [   83.904849] [<c0c54754>] (direct_entry) from [<c07e03d4>] (full_proxy_write+0x64/0x94)

 3104 07:27:37.292911  # [   83.912778]  r9:c5c03f60 r8:c3082240 r7:00000009 r6:b6e54000 r5:c5e80dc0 r4:c0c54754

 3105 07:27:37.335252  # [   83.920538] [<c07e0370>] (full_proxy_write) from [<c059ac40>] (vfs_write+0x10c/0x53c)

 3106 07:27:37.335787  # [   83.928382]  r9:c07e0370 r8:c5c03f60 r7:c2815800 r6:b6e54000 r5:c5e80dc0 r4:00000000

 3107 07:27:37.336148  # [   83.936138] [<c059ab34>] (vfs_write) from [<c059b1ec>] (ksys_write+0x74/0xec)

 3108 07:27:37.336479  # [   83.943286]  r10:00000004 r9:00000000 r8:00000000 r7:b6e54000 r6:c5c02000 r5:c5e80dc0

 3109 07:27:37.336791  # [   83.951122]  r4:c5e80dc0

 3110 07:27:37.337096  # [   83.953669] [<c059b178>] (ksys_write) from [<c059b27c>] (sys_write+0x18/0x1c)

 3111 07:27:37.379144  # [   83.960816]  r9:c5c02000 r8:c03002e4 r7:00000004 r6:b6f9be00 r5:00000009 r4:00000009

 3112 07:27:37.379678  # [   83.968575] [<c059b264>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 3113 07:27:37.380037  # [   83.976153] Exception stack(0xc5c03fa8 to 0xc5c03ff0)

 3114 07:27:37.380365  # [   83.981215] 3fa0:                   00000009 00000009 00000001 b6e54000 00000009 00000000

 3115 07:27:37.380678  # [   83.989402] 3fc0: 00000009 00000009 b6f9be00 00000004 00000001 00000000 00020000 bee99ac4

 3116 07:27:37.380985  # [   83.997588] 3fe0: 00000004 bee997f8 b6f05d8f b6e8c7e6

 3117 07:27:37.381285  # [   84.002652] Code: e34a3bcd e30e0068 e34c01ac e0233002 (e5843000) 

 3118 07:27:37.423238  # [   84.008760] [   84.523788] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT

 3119 07:27:37.423781  ---[ end trace eec2cb921daffbc9 ][   84.530896] lkdtm: attempting bad ro_after_init write at c1b7ec60

 3120 07:27:37.424151  ---

 3121 07:27:37.424483  # WRITE_RO: missing 'call tr[   84.539833] 8<--- cut here ---

 3122 07:27:37.424801  ace:': [FAIL][

 3123 07:27:37.425110   

 3124 07:27:37.425410   n o8t4 .o5k4 5378] Unable to handle kernel paging request at virtual address c1b7ec60

 3125 07:27:37.425715  9 selftests: lk[d t m :8 4W.R5I5T812] pgd = a8f28a5a

 3126 07:27:37.426018  E_RO.sh # exit=1

 3127 07:27:37.426311  [

 3128 07:27:37.426628   #   8s4e.l5f59513] [c1b7ec60] *pgd=11a1941e(bad)

 3129 07:27:37.467253  ests: lkdtm: WRITE_RO_A[F T E 8R4.565621] Internal error: Oops: 80d [#13] SMP ARM

 3130 07:27:37.467786  INIT.sh

 3131 07:27:37.468146  [   84.572834] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3

 3132 07:27:37.468491  [   84.602459] CPU: 3 PID: 2430 Comm: cat Tainted: G      D W         5.10.180-cip33 #1

 3133 07:27:37.511234  [   84.610208] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 3134 07:27:37.511770  [   84.616760] PC is at lkdtm_WRITE_RO_AFTER_INIT+0x64/0x70

 3135 07:27:37.512133  [   84.622093] LR is at __irq_work_queue_local+0x40/0x74

 3136 07:27:37.512457  [   84.627154] pc : [<c138bbfc>]    lr : [<c049d9c4>]    psr: 600e0013

 3137 07:27:37.512775  [   84.633428] sp : c5ee3e50  ip : c5ee3d58  fp : c5ee3e64

 3138 07:27:37.513084  [   84.638659] r10: 00000014  r9 : c1acd270  r8 : c15e8cf8

 3139 07:27:37.513385  [   84.643890] r7 : c5ee3f60  r6 : 00000014  r5 : c6bfd000  r4 : c1b7ec60

 3140 07:27:37.555243  [   84.650424] r3 : fe67479e  r2 : 55aa55aa  r1 : ef7c05e0  r0 : c1ace068

 3141 07:27:37.555777  [   84.656960] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 3142 07:27:37.556142  [   84.664104] Control: 10c5387d  Table: 16b1404a  DAC: 00000051

 3143 07:27:37.556467  [   84.669859] Process cat (pid: 2430, stack limit = 0xc6e72e69)

 3144 07:27:37.556780  [   84.675614] Stack: (0xc5ee3e50 to 0xc5ee4000)

 3145 07:27:37.557091  [   84.679983] 3e40:                                     00000029 c6bfd000 c5ee3e74 c5ee3e68

 3146 07:27:37.557396  [   84.688172] 3e60: c0c54374 c138bba4 c5ee3e9c c5ee3e78 c0c54874 c0c54354 c0c54754 c69063c0

 3147 07:27:37.599249  [   84.696360] 3e80: b6e1b000 00000014 c3082240 c5ee3f60 c5ee3ec4 c5ee3ea0 c07e03d4 c0c54760

 3148 07:27:37.599782  [   84.704548] 3ea0: 00000000 c69063c0 b6e1b000 c2815800 c5ee3f60 c07e0370 c5ee3f5c c5ee3ec8

 3149 07:27:37.600141  [   84.712736] 3ec0: c059ac40 c07e037c 00000001 00000000 c059b1ec c13a0ff0 c059b1ec c5ee2000

 3150 07:27:37.600472  [   84.720925] 3ee0: b6e1b000 00020000 00000004 00000014 0001ffec c5ee3ee0 00000001 b6e1a000

 3151 07:27:37.600787  [   84.729115] 3f00: c68e9040 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 3152 07:27:37.643246  [   84.737302] 3f20: 00000000 00000000 c13a0ff0 d59419dc c205dc60 c69063c0 c69063c0 c5ee2000

 3153 07:27:37.643783  [   84.745491] 3f40: b6e1b000 00000000 00000000 00000004 c5ee3f94 c5ee3f60 c059b1ec c059ab40

 3154 07:27:37.644146  [   84.753679] 3f60: 00000000 00000000 c5ee3fac d59419dc 00000014 00000014 b6f62e00 00000004

 3155 07:27:37.644473  [   84.761866] 3f80: c03002e4 c5ee2000 c5ee3fa4 c5ee3f98 c059b27c c059b184 00000000 c5ee3fa8

 3156 07:27:37.644788  [   84.770054] 3fa0: c03000c0 c059b270 00000014 00000014 00000001 b6e1b000 00000014 00000000

 3157 07:27:37.687262  [   84.778243] 3fc0: 00000014 00000014 b6f62e00 00000004 00000001 00000000 00020000 be9c3ac4

 3158 07:27:37.687800  [   84.786432] 3fe0: 00000004 be9c37f8 b6eccd8f b6e537e6 800e0030 00000001 00000000 00000000

 3159 07:27:37.688161  [   84.794615] Backtrace: 

 3160 07:27:37.688486  [   84.797091] [<c138bb98>] (lkdtm_WRITE_RO_AFTER_INIT) from [<c0c54374>] (lkdtm_do_action+0x2c/0x4c)

 3161 07:27:37.688801  [   84.806059]  r5:c6bfd000 r4:00000029

 3162 07:27:37.689108  [   84.809650] [<c0c54348>] (lkdtm_do_action) from [<c0c54874>] (direct_entry+0x120/0x18c)

 3163 07:27:37.689410  [   84.817673] [<c0c54754>] (direct_entry) from [<c07e03d4>] (full_proxy_write+0x64/0x94)

 3164 07:27:37.731250  [   84.825602]  r9:c5ee3f60 r8:c3082240 r7:00000014 r6:b6e1b000 r5:c69063c0 r4:c0c54754

 3165 07:27:37.731783  [   84.833363] [<c07e0370>] (full_proxy_write) from [<c059ac40>] (vfs_write+0x10c/0x53c)

 3166 07:27:37.732143  [   84.841203]  r9:c07e0370 r8:c5ee3f60 r7:c2815800 r6:b6e1b000 r5:c69063c0 r4:00000000

 3167 07:27:37.732471  [   84.848959] [<c059ab34>] (vfs_write) from [<c059b1ec>] (ksys_write+0x74/0xec)

 3168 07:27:37.732784  [   84.856106]  r10:00000004 r9:00000000 r8:00000000 r7:b6e1b000 r6:c5ee2000 r5:c69063c0

 3169 07:27:37.733088  [   84.863942]  r4:c69063c0

 3170 07:27:37.774965  [   84.866488] [<c059b178>] (ksys_write) from [<c059b27c>] (sys_write+0x18/0x1c)

 3171 07:27:37.775519  [   84.873635]  r9:c5ee2000 r8:c03002e4 r7:00000004 r6:b6f62e00 r5:00000014 r4:00000014

 3172 07:27:37.775909  [   84.881393] [<c059b264>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 3173 07:27:37.776288  [   84.888968] Exception stack(0xc5ee3fa8 to 0xc5ee3ff0)

 3174 07:27:37.776616  [   84.894031] 3fa0:                   00000014 00000014 00000001 b6e1b000 00000014 00000000

 3175 07:27:37.776952  [   84.902219] 3fc0: 00000014 00000014 b6f62e00 00000004 00000001 00000000 00020000 be9c3ac4

 3176 07:27:37.818870  [   84.910404] 3fe0: 00000004 be9c37f8 b6eccd8f b6e537e6

 3177 07:27:37.819037  [   84.915468] Code: e34a3bcd e30e0068 e34c01ac e0233002 (e5843000) 

 3178 07:27:37.819115  [   84.921576] ---[ end trace eec2cb921daffbca ]---

 3179 07:27:37.819188  # Segmentation fault

 3180 07:27:37.994378  # [   84.523788] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT

 3181 07:27:37.994571  # [   84.530896] lkdtm: attempting bad ro_after_init write at c1b7ec60

 3182 07:27:37.994644  # [   84.539833] 8<--- cut here ---

 3183 07:27:37.994711  # [   84.545678] Unable to handle kernel paging request at virtual address c1b7ec60

 3184 07:27:37.994777  # [   84.554812] pgd = a8f28a5a

 3185 07:27:37.994838  # [   84.559513] [c1b7ec60] *pgd=11a1941e(bad)

 3186 07:27:37.994908  # [   84.565621] Internal error: Oops: 80d [#13] SMP ARM

 3187 07:27:38.037394  # [   84.572834] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3

 3188 07:27:38.037551  # [   84.602459] CPU: 3 PID: 2430 Comm: cat Tainted: G      D W         5.10.180-cip33 #1

 3189 07:27:38.037624  # [   84.610208] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 3190 07:27:38.037689  # [   84.616760] PC is at lkdtm_WRITE_RO_AFTER_INIT+0x64/0x70

 3191 07:27:38.081180  # [   84.622093] LR is at __irq_work_queue_local+0x40/0x74

 3192 07:27:38.081681  # [   84.627154] pc : [<c138bbfc>]    lr : [<c049d9c4>]    psr: 600e0013

 3193 07:27:38.082008  # [   84.633428] sp : c5ee3e50  ip : c5ee3d58  fp : c5ee3e64

 3194 07:27:38.082309  # [   84.638659] r10: 00000014  r9 : c1acd270  r8 : c15e8cf8

 3195 07:27:38.082622  # [   84.643890] r7 : c5ee3f60  r6 : 00000014  r5 : c6bfd000  r4 : c1b7ec60

 3196 07:27:38.082929  # [   84.650424] r3 : fe67479e  r2 : 55aa55aa  r1 : ef7c05e0  r0 : c1ace068

 3197 07:27:38.083236  # [   84.656960] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 3198 07:27:38.124182  # [   84.664104] Control: 10c5387d  Table: 16b1404a  DAC: 00000051

 3199 07:27:38.124715  # [   84.669859] Process cat (pid: 2430, stack limit = 0xc6e72e69)

 3200 07:27:38.125072  # [   84.675614] Stack: (0xc5ee3e50 to 0xc5ee4000)

 3201 07:27:38.125398  # [   84.679983] 3e40:                                     00000029 c6bfd000 c5ee3e74 c5ee3e68

 3202 07:27:38.125713  # [   84.688172] 3e60: c0c54374 c138bba4 c5ee3e9c c5ee3e78 c0c54874 c0c54354 c0c54754 c69063c0

 3203 07:27:38.126021  # [   84.696360] 3e80: b6e1b000 00000014 c3082240 c5ee3f60 c5ee3ec4 c5ee3ea0 c07e03d4 c0c54760

 3204 07:27:38.167136  # [   84.704548] 3ea0: 00000000 c69063c0 b6e1b000 c2815800 c5ee3f60 c07e0370 c5ee3f5c c5ee3ec8

 3205 07:27:38.167756  # [   84.712736] 3ec0: c059ac40 c07e037c 00000001 00000000 c059b1ec c13a0ff0 c059b1ec c5ee2000

 3206 07:27:38.168138  # [   84.720925] 3ee0: b6e1b000 00020000 00000004 00000014 0001ffec c5ee3ee0 00000001 b6e1a000

 3207 07:27:38.168471  # [   84.729115] 3f00: c68e9040 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 3208 07:27:38.168866  # [   84.737302] 3f20: 00000000 00000000 c13a0ff0 d59419dc c205dc60 c69063c0 c69063c0 c5ee2000

 3209 07:27:38.210892  # [   84.745491] 3f40: b6e1b000 00000000 00000000 00000004 c5ee3f94 c5ee3f60 c059b1ec c059ab40

 3210 07:27:38.211465  # [   84.753679] 3f60: 00000000 00000000 c5ee3fac d59419dc 00000014 00000014 b6f62e00 00000004

 3211 07:27:38.211825  # [   84.761866] 3f80: c03002e4 c5ee2000 c5ee3fa4 c5ee3f98 c059b27c c059b184 00000000 c5ee3fa8

 3212 07:27:38.212153  # [   84.770054] 3fa0: c03000c0 c059b270 00000014 00000014 00000001 b6e1b000 00000014 00000000

 3213 07:27:38.212470  # [   84.778243] 3fc0: 00000014 00000014 b6f62e00 00000004 00000001 00000000 00020000 be9c3ac4

 3214 07:27:38.254935  # [   84.786432] 3fe0: 00000004 be9c37f8 b6eccd8f b6e537e6 800e0030 00000001 00000000 00000000

 3215 07:27:38.255496  # [   84.794615] Backtrace: 

 3216 07:27:38.255852  # [   84.797091] [<c138bb98>] (lkdtm_WRITE_RO_AFTER_INIT) from [<c0c54374>] (lkdtm_do_action+0x2c/0x4c)

 3217 07:27:38.256183  # [   84.806059]  r5:c6bfd000 r4:00000029

 3218 07:27:38.256519  # [   84.809650] [<c0c54348>] (lkdtm_do_action) from [<c0c54874>] (direct_entry+0x120/0x18c)

 3219 07:27:38.256833  # [   84.817673] [<c0c54754>] (direct_entry) from [<c07e03d4>] (full_proxy_write+0x64/0x94)

 3220 07:27:38.257138  # [   84.825602]  r9:c5ee3f60 r8:c3082240 r7:00000014 r6:b6e1b000 r5:c69063c0 r4:c0c54754

 3221 07:27:38.299005  # [   84.833363] [<c07e0370>] (full_proxy_write) from [<c059ac40>] (vfs_write+0x10c/0x53c)

 3222 07:27:38.299512  # [   84.841203]  r9:c07e0370 r8:c5ee3f60 r7:c2815800 r6:b6e1b000 r5:c69063c0 r4:00000000

 3223 07:27:38.299851  # [   84.848959] [<c059ab34>] (vfs_write) from [<c059b1ec>] (ksys_write+0x74/0xec)

 3224 07:27:38.300182  # [   84.856106]  r10:00000004 r9:00000000 r8:00000000 r7:b6e1b000 r6:c5ee2000 r5:c69063c0

 3225 07:27:38.300498  # [   84.863942]  r4:c69063c0

 3226 07:27:38.300806  # [   84.866488] [<c059b178>] (ksys_write) from [<c059b27c>] (sys_write+0x18/0x1c)

 3227 07:27:38.343175  # [   84.873635]  r9:c5ee2000 r8:c03002e4 r7:00000004 r6:b6f62e00 r5:00000014 r4:00000014

 3228 07:27:38.343708  # [   84.881393] [<c059b264>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 3229 07:27:38.344067  # [   84.888968] Exception stack(0xc5ee3fa8 to 0xc5ee3ff0)

 3230 07:27:38.344395  # [   84.894031] 3fa0:                   00000014 00000014 00000001 b6e1b000 00000014 00000000

 3231 07:27:38.344712  # [   84.902219] 3fc0: 00000014 00000014 b6f62e00 00000004 00000001 00000000 00020000 be9c3ac4

 3232 07:27:38.345018  # [   84.910404] 3fe0: 00000004 be9c37f8 b6eccd8f b6e537e6

 3233 07:27:38.390965  # [   84.915468] Code: e34a3bcd e30e0068 e34c01ac e0233002 (e5843000) 

 3234 07:27:38.391497  # [   84.921576] ---[ end trace eec2cb921daffbca ]---

 3235 07:27:38.391850  # WRITE_RO_AFTER_INIT: missing 'call trace:': [FAIL]

 3236 07:27:38.392176  not ok 40 selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # exit=1

 3237 07:27:38.392494  # selftests: lkdtm: WRITE_KERN.sh

 3238 07:27:38.392803  [   85.520643] lkdtm: Performing direct entry WRITE_KERN

 3239 07:27:38.393105  [   85.525725] lkdtm: attempting bad 7563660 byte write at c138ba70

 3240 07:27:38.393403  [   85.531847] 8<--- cut here ---

 3241 07:27:38.393697  [   85.534916] Unable to handle kernel paging request at virtual address c138ba70

 3242 07:27:38.434981  [   85.542150] pgd = aafc262c

 3243 07:27:38.435515  [   85.544865] [c138ba70] *pgd=1121940e(bad)

 3244 07:27:38.435879  [   85.548901] Internal error: Oops: 80d [#14] SMP ARM

 3245 07:27:38.436214  [   85.553788] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3

 3246 07:27:38.479007  [   85.582860] CPU: 3 PID: 2504 Comm: cat Tainted: G      D W         5.10.180-cip33 #1

 3247 07:27:38.479549  [   85.590613] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 3248 07:27:38.479909  [   85.597157] PC is at memcpy+0x50/0x330

 3249 07:27:38.480231  [   85.600917] LR is at 0xe92dd830

 3250 07:27:38.480540  [   85.604068] pc : [<c08d36b0>]    lr : [<e92dd830>]    psr: 200e0013

 3251 07:27:38.480847  [   85.610340] sp : c6a8fe2c  ip : e1a0c00d  fp : c6a8fe64

 3252 07:27:38.481145  [   85.615572] r10: 0000000b  r9 : c1acd284  r8 : e89da800

 3253 07:27:38.481440  [   85.620804] r7 : e8bd4000  r6 : e52de004  r5 : e24cb004  r4 : e92dd800

 3254 07:27:38.523150  [   85.627338] r3 : e1a0c00d  r2 : 007368ec  r1 : c0c55104  r0 : c138ba70

 3255 07:27:38.523683  [   85.633874] Flags: nzCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 3256 07:27:38.524041  [   85.641018] Control: 10c5387d  Table: 15ffc04a  DAC: 00000051

 3257 07:27:38.524368  [   85.646772] Process cat (pid: 2504, stack limit = 0xd3cce7ab)

 3258 07:27:38.524680  [   85.652527] Stack: (0xc6a8fe2c to 0xc6a90000)

 3259 07:27:38.524985  [   85.656898] fe20:                            c0c550e4 0073698c c6a8ff60 c15e8cf8 c138ba70

 3260 07:27:38.525287  [   85.665088] fe40: c138ba70 c138bc54 0000002a c6bfb000 0000000b c6a8ff60 c6a8fe74 c6a8fe68

 3261 07:27:38.567148  [   85.673278] fe60: c0c54374 c138bc14 c6a8fe9c c6a8fe78 c0c54874 c0c54354 c0c54754 c6907e00

 3262 07:27:38.567687  [   85.681467] fe80: b6dd0000 0000000b c3082240 c6a8ff60 c6a8fec4 c6a8fea0 c07e03d4 c0c54760

 3263 07:27:38.568050  [   85.689657] fea0: 00000000 c6907e00 b6dd0000 c2815800 c6a8ff60 c07e0370 c6a8ff5c c6a8fec8

 3264 07:27:38.568381  [   85.697847] fec0: c059ac40 c07e037c 00000001 00000000 c059b1ec c13a0ff0 c059b1ec c6a8e000

 3265 07:27:38.568697  [   85.706036] fee0: b6dd0000 00020000 00000004 0000000b 0001fff5 c6a8fee0 00000001 b6dcf000

 3266 07:27:38.611153  [   85.714225] ff00: c5e81540 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 3267 07:27:38.611694  [   85.722416] ff20: 00000000 00000000 c13a0ff0 91bdede2 c205dc60 c6907e00 c6907e00 c6a8e000

 3268 07:27:38.612059  [   85.730604] ff40: b6dd0000 00000000 00000000 00000004 c6a8ff94 c6a8ff60 c059b1ec c059ab40

 3269 07:27:38.612387  [   85.738794] ff60: 00000000 00000000 c6a8ffac 91bdede2 0000000b 0000000b b6f17e00 00000004

 3270 07:27:38.612705  [   85.746983] ff80: c03002e4 c6a8e000 c6a8ffa4 c6a8ff98 c059b27c c059b184 00000000 c6a8ffa8

 3271 07:27:38.655134  [   85.755171] ffa0: c03000c0 c059b270 0000000b 0000000b 00000001 b6dd0000 0000000b 00000000

 3272 07:27:38.655667  [   85.763360] ffc0: 0000000b 0000000b b6f17e00 00000004 00000001 00000000 00020000 bec37ac4

 3273 07:27:38.656026  [   85.771550] ffe0: 00000004 bec377f8 b6e81d8f b6e087e6 800e0030 00000001 00000000 00000000

 3274 07:27:38.656354  [   85.779733] Backtrace: 

 3275 07:27:38.656663  [   85.782214] [<c138bc08>] (lkdtm_WRITE_KERN) from [<c0c54374>] (lkdtm_do_action+0x2c/0x4c)

 3276 07:27:38.656971  [   85.790405]  r7:c6a8ff60 r6:0000000b r5:c6bfb000 r4:0000002a

 3277 07:27:38.699153  [   85.796079] [<c0c54348>] (lkdtm_do_action) from [<c0c54874>] (direct_entry+0x120/0x18c)

 3278 07:27:38.699690  [   85.804102] [<c0c54754>] (direct_entry) from [<c07e03d4>] (full_proxy_write+0x64/0x94)

 3279 07:27:38.700049  [   85.812031]  r9:c6a8ff60 r8:c3082240 r7:0000000b r6:b6dd0000 r5:c6907e00 r4:c0c54754

 3280 07:27:38.700378  [   85.819795] [<c07e0370>] (full_proxy_write) from [<c059ac40>] (vfs_write+0x10c/0x53c)

 3281 07:27:38.700692  [   85.827636]  r9:c07e0370 r8:c6a8ff60 r7:c2815800 r6:b6dd0000 r5:c6907e00 r4:00000000

 3282 07:27:38.700999  [   85.835392] [<c059ab34>] (vfs_write) from [<c059b1ec>] (ksys_write+0x74/0xec)

 3283 07:27:38.743219  [   85.842538]  r10:00000004 r9:00000000 r8:00000000 r7:b6dd0000 r6:c6a8e000 r5:c6907e00

 3284 07:27:38.743748  [   85.850374]  r4:c6907e00

 3285 07:27:38.744104  [   85.852920] [<c059b178>] (ksys_write) from [<c059b27c>] (sys_write+0x18/0x1c)

 3286 07:27:38.744433  [   85.860066]  r9:c6a8e000 r8:c03002e4 r7:00000004 r6:b6f17e00 r5:0000000b r4:0000000b

 3287 07:27:38.744745  [   85.867826] [<c059b264>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 3288 07:27:38.745048  [   85.875402] Exception stack(0xc6a8ffa8 to 0xc6a8fff0)

 3289 07:27:38.745350  [   85.880465] ffa0:                   0000000b 0000000b 00000001 b6dd0000 0000000b 00000000

 3290 07:27:38.786947  [   85.888655] ffc0: 0000000b 0000000b b6f17e00 00000004 00000001 00000000 00020000 bec37ac4

 3291 07:27:38.787477  [   85.896839] ffe0: 00000004 bec377f8 b6e81d8f b6e087e6

 3292 07:27:38.787810  [   85.901904] Code: f5d1f05c f5d1f07c e8b151f8 e2522020 (e8a051f8) 

 3293 07:27:38.788141  [   85.908012] ---[ end trace eec2cb921daffbcb ]---

 3294 07:27:38.788433  # Segmentation fault

 3295 07:27:38.944579  # [   85.520643] lkdtm: Performing direct entry WRITE_KERN

 3296 07:27:38.945063  # [   85.525725] lkdtm: attempting bad 7563660 byte write at c138ba70

 3297 07:27:38.945406  # [   85.531847] 8<--- cut here ---

 3298 07:27:38.945816  # [   85.534916] Unable to handle kernel paging request at virtual address c138ba70

 3299 07:27:38.946202  # [   85.542150] pgd = aafc262c

 3300 07:27:38.946482  # [   85.544865] [c138ba70] *pgd=1121940e(bad)

 3301 07:27:38.946784  # [   85.548901] Internal error: Oops: 80d [#14] SMP ARM

 3302 07:27:38.987455  # [   85.553788] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3

 3303 07:27:38.987859  # [   85.582860] CPU: 3 PID: 2504 Comm: cat Tainted: G      D W         5.10.180-cip33 #1

 3304 07:27:38.988192  # [   85.590613] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 3305 07:27:38.988478  # [   85.597157] PC is at memcpy+0x50/0x330

 3306 07:27:38.988768  # [   85.600917] LR is at 0xe92dd830

 3307 07:27:39.030837  # [   85.604068] pc : [<c08d36b0>]    lr : [<e92dd830>]    psr: 200e0013

 3308 07:27:39.031212  # [   85.610340] sp : c6a8fe2c  ip : e1a0c00d  fp : c6a8fe64

 3309 07:27:39.031509  # [   85.615572] r10: 0000000b  r9 : c1acd284  r8 : e89da800

 3310 07:27:39.031789  # [   85.620804] r7 : e8bd4000  r6 : e52de004  r5 : e24cb004  r4 : e92dd800

 3311 07:27:39.032059  # [   85.627338] r3 : e1a0c00d  r2 : 007368ec  r1 : c0c55104  r0 : c138ba70

 3312 07:27:39.032325  # [   85.633874] Flags: nzCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 3313 07:27:39.032583  # [   85.641018] Control: 10c5387d  Table: 15ffc04a  DAC: 00000051

 3314 07:27:39.074853  # [   85.646772] Process cat (pid: 2504, stack limit = 0xd3cce7ab)

 3315 07:27:39.075253  # [   85.652527] Stack: (0xc6a8fe2c to 0xc6a90000)

 3316 07:27:39.075635  # [   85.656898] fe20:                            c0c550e4 0073698c c6a8ff60 c15e8cf8 c138ba70

 3317 07:27:39.075932  # [   85.665088] fe40: c138ba70 c138bc54 0000002a c6bfb000 0000000b c6a8ff60 c6a8fe74 c6a8fe68

 3318 07:27:39.076207  # [   85.673278] fe60: c0c54374 c138bc14 c6a8fe9c c6a8fe78 c0c54874 c0c54354 c0c54754 c6907e00

 3319 07:27:39.119015  # [   85.681467] fe80: b6dd0000 0000000b c3082240 c6a8ff60 c6a8fec4 c6a8fea0 c07e03d4 c0c54760

 3320 07:27:39.119518  # [   85.689657] fea0: 00000000 c6907e00 b6dd0000 c2815800 c6a8ff60 c07e0370 c6a8ff5c c6a8fec8

 3321 07:27:39.119843  # [   85.697847] fec0: c059ac40 c07e037c 00000001 00000000 c059b1ec c13a0ff0 c059b1ec c6a8e000

 3322 07:27:39.120147  # [   85.706036] fee0: b6dd0000 00020000 00000004 0000000b 0001fff5 c6a8fee0 00000001 b6dcf000

 3323 07:27:39.120440  # [   85.714225] ff00: c5e81540 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 3324 07:27:39.120725  # [   85.722416] ff20: 00000000 00000000 c13a0ff0 91bdede2 c205dc60 c6907e00 c6907e00 c6a8e000

 3325 07:27:39.163033  # [   85.730604] ff40: b6dd0000 00000000 00000000 00000004 c6a8ff94 c6a8ff60 c059b1ec c059ab40

 3326 07:27:39.163540  # [   85.738794] ff60: 00000000 00000000 c6a8ffac 91bdede2 0000000b 0000000b b6f17e00 00000004

 3327 07:27:39.163883  # [   85.746983] ff80: c03002e4 c6a8e000 c6a8ffa4 c6a8ff98 c059b27c c059b184 00000000 c6a8ffa8

 3328 07:27:39.164184  # [   85.755171] ffa0: c03000c0 c059b270 0000000b 0000000b 00000001 b6dd0000 0000000b 00000000

 3329 07:27:39.164503  # [   85.763360] ffc0: 0000000b 0000000b b6f17e00 00000004 00000001 00000000 00020000 bec37ac4

 3330 07:27:39.207181  # [   85.771550] ffe0: 00000004 bec377f8 b6e81d8f b6e087e6 800e0030 00000001 00000000 00000000

 3331 07:27:39.207716  # [   85.779733] Backtrace: 

 3332 07:27:39.208074  # [   85.782214] [<c138bc08>] (lkdtm_WRITE_KERN) from [<c0c54374>] (lkdtm_do_action+0x2c/0x4c)

 3333 07:27:39.208444  # [   85.790405]  r7:c6a8ff60 r6:0000000b r5:c6bfb000 r4:0000002a

 3334 07:27:39.208767  # [   85.796079] [<c0c54348>] (lkdtm_do_action) from [<c0c54874>] (direct_entry+0x120/0x18c)

 3335 07:27:39.209094  # [   85.804102] [<c0c54754>] (direct_entry) from [<c07e03d4>] (full_proxy_write+0x64/0x94)

 3336 07:27:39.251016  # [   85.812031]  r9:c6a8ff60 r8:c3082240 r7:0000000b r6:b6dd0000 r5:c6907e00 r4:c0c54754

 3337 07:27:39.251585  # [   85.819795] [<c07e0370>] (full_proxy_write) from [<c059ac40>] (vfs_write+0x10c/0x53c)

 3338 07:27:39.251937  # [   85.827636]  r9:c07e0370 r8:c6a8ff60 r7:c2815800 r6:b6dd0000 r5:c6907e00 r4:00000000

 3339 07:27:39.252264  # [   85.835392] [<c059ab34>] (vfs_write) from [<c059b1ec>] (ksys_write+0x74/0xec)

 3340 07:27:39.252578  # [   85.842538]  r10:00000004 r9:00000000 r8:00000000 r7:b6dd0000 r6:c6a8e000 r5:c6907e00

 3341 07:27:39.252904  # [   85.850374]  r4:c6907e00

 3342 07:27:39.295185  # [   85.852920] [<c059b178>] (ksys_write) from [<c059b27c>] (sys_write+0x18/0x1c)

 3343 07:27:39.295722  # [   85.860066]  r9:c6a8e000 r8:c03002e4 r7:00000004 r6:b6f17e00 r5:0000000b r4:0000000b

 3344 07:27:39.296088  # [   85.867826] [<c059b264>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 3345 07:27:39.296413  # [   85.875402] Exception stack(0xc6a8ffa8 to 0xc6a8fff0)

 3346 07:27:39.296726  # [   85.880465] ffa0:                   0000000b 0000000b 00000001 b6dd0000 0000000b 00000000

 3347 07:27:39.297035  # [   85.888655] ffc0: 0000000b 0000000b b6f17e00 00000004 00000001 00000000 00020000 bec37ac4

 3348 07:27:39.339017  # [   85.896839] ffe0: 00000004 bec377f8 b6e81d8f b6e087e6

 3349 07:27:39.339552  # [   85.901904] Code: f5d1f05c f5d1f07c e8b151f8 e2522020 (e8a051f8) 

 3350 07:27:39.339908  # [   85.908012] ---[ end trace eec2cb921daffbcb ]---

 3351 07:27:39.340237  # WRITE_KERN: missing 'call trace:': [FAIL]

 3352 07:27:39.340550  not ok 41 selftests: lkdtm: WRITE_KERN.sh # exit=1

 3353 07:27:39.340861  # selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh

 3354 07:27:39.402473  [   86.510928] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW

 3355 07:27:39.403033  [   86.516986] lkdtm: attempting good refcount_inc() without overflow

 3356 07:27:39.403387  [   86.523299] lkdtm: attempting bad refcount_inc() overflow

 3357 07:27:39.403715  [   86.528771] ------------[ cut here ]------------

 3358 07:27:39.404028  [   86.533421] WARNING: CPU: 1 PID: 2579 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174

 3359 07:27:39.404335  [   86.541927] refcount_t: saturated; leaking memory.

 3360 07:27:39.445709  [   86.546734] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3

 3361 07:27:39.446256  [   86.576012] CPU: 1 PID: 2579 Comm: cat Tainted: G      D W         5.10.180-cip33 #1

 3362 07:27:39.446648  [   86.583765] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 3363 07:27:39.446985  [   86.590299] Backtrace: 

 3364 07:27:39.488967  [   86.592777] [<c137df4c>] (dump_backtrace) from [<c137e30c>] (show_stack+0x20/0x24)

 3365 07:27:39.489503  [   86.600360]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8

 3366 07:27:39.489857  [   86.606038] [<c137e2ec>] (show_stack) from [<c1385568>] (dump_stack+0xe0/0x100)

 3367 07:27:39.490185  [   86.613366] [<c1385488>] (dump_stack) from [<c0356820>] (__warn+0x98/0x14c)

 3368 07:27:39.490497  [   86.620340]  r9:00000009 r8:c0873990 r7:00000016 r6:00000009 r5:c0873990 r4:c1a212e0

 3369 07:27:39.490854  [   86.628096] [<c0356788>] (__warn) from [<c137f448>] (warn_slowpath_fmt+0x8c/0xa8)

 3370 07:27:39.491159  [   86.635589]  r7:00000016 r6:c1a212e0 r5:c1a212b8 r4:c5ac0000

 3371 07:27:39.532007  [   86.641264] [<c137f3c0>] (warn_slowpath_fmt) from [<c0873990>] (refcount_warn_saturate+0xd4/0x174)

 3372 07:27:39.532544  [   86.650234]  r9:c1acd290 r8:c15e8cf8 r7:c5ac1f60 r6:00000016 r5:c5e44000 r4:c5ac0000

 3373 07:27:39.532902  [   86.657995] [<c08738bc>] (refcount_warn_saturate) from [<c0c553f8>] (__refcount_add.constprop.0+0x44/0x58)

 3374 07:27:39.533236  [   86.667671] [<c0c553b4>] (__refcount_add.constprop.0) from [<c138c084>] (lkdtm_REFCOUNT_INC_OVERFLOW+0x78/0x9c)

 3375 07:27:39.575447  [   86.677773] [<c138c00c>] (lkdtm_REFCOUNT_INC_OVERFLOW) from [<c0c54374>] (lkdtm_do_action+0x2c/0x4c)

 3376 07:27:39.575981  [   86.686912]  r4:0000002b

 3377 07:27:39.576334  [   86.689459] [<c0c54348>] (lkdtm_do_action) from [<c0c54874>] (direct_entry+0x120/0x18c)

 3378 07:27:39.576663  [   86.697479] [<c0c54754>] (direct_entry) from [<c07e03d4>] (full_proxy_write+0x64/0x94)

 3379 07:27:39.576975  [   86.705408]  r9:c5ac1f60 r8:c3082240 r7:00000016 r6:b6e39000 r5:c5aed040 r4:c0c54754

 3380 07:27:39.577282  [   86.713170] [<c07e0370>] (full_proxy_write) from [<c059ac40>] (vfs_write+0x10c/0x53c)

 3381 07:27:39.619011  [   86.721010]  r9:c07e0370 r8:c5ac1f60 r7:c2815800 r6:b6e39000 r5:c5aed040 r4:00000000

 3382 07:27:39.619547  [   86.728767] [<c059ab34>] (vfs_write) from [<c059b1ec>] (ksys_write+0x74/0xec)

 3383 07:27:39.619911  [   86.735914]  r10:00000004 r9:00000000 r8:00000000 r7:b6e39000 r6:c5ac0000 r5:c5aed040

 3384 07:27:39.620243  [   86.743750]  r4:c5aed040

 3385 07:27:39.620555  [   86.746295] [<c059b178>] (ksys_write) from [<c059b27c>] (sys_write+0x18/0x1c)

 3386 07:27:39.620861  [   86.753441]  r9:c5ac0000 r8:c03002e4 r7:00000004 r6:b6f80e00 r5:00000016 r4:00000016

 3387 07:27:39.621162  [   86.761198] [<c059b264>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 3388 07:27:39.663004  [   86.768775] Exception stack(0xc5ac1fa8 to 0xc5ac1ff0)

 3389 07:27:39.663562  [   86.773838] 1fa0:                   00000016 00000016 00000001 b6e39000 00000016 00000000

 3390 07:27:39.663944  [   86.782029] 1fc0: 00000016 00000016 b6f80e00 00000004 00000001 00000000 00020000 bef7eac4

 3391 07:27:39.664278  [   86.790214] 1fe0: 00000004 bef7e7f8 b6eead8f b6e717e6

 3392 07:27:39.664639  [   86.795361] irq event stamp: 0

 3393 07:27:39.664957  [   86.798468] hardirqs last  enabled at (0): [<00000000>] 0x0

 3394 07:27:39.665298  [   86.804065] hardirqs last disabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 3395 07:27:39.706967  [   86.811612] softirqs last  enabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 3396 07:27:39.707366  [   86.819179] softirqs last disabled at (0): [<00000000>] 0x0

 3397 07:27:39.707688  [   86.824772] ---[ end trace eec2cb921daffbcc ]---

 3398 07:27:39.707985  [   86.829440] lkdtm: Overflow detected: saturated

 3399 07:27:39.836371  # [   86.510928] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW

 3400 07:27:39.836905  # [   86.516986] lkdtm: attempting good refcount_inc() without overflow

 3401 07:27:39.837257  # [   86.523299] lkdtm: attempting bad refcount_inc() overflow

 3402 07:27:39.837584  # [   86.528771] ------------[ cut here ]------------

 3403 07:27:39.837900  # [   86.533421] WARNING: CPU: 1 PID: 2579 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174

 3404 07:27:39.838214  # [   86.541927] refcount_t: saturated; leaking memory.

 3405 07:27:39.879386  # [   86.546734] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3

 3406 07:27:39.879940  # [   86.576012] CPU: 1 PID: 2579 Comm: cat Tainted: G      D W         5.10.180-cip33 #1

 3407 07:27:39.880300  # [   86.583765] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 3408 07:27:39.880628  # [   86.590299] Backtrace: 

 3409 07:27:39.923029  # [   86.592777] [<c137df4c>] (dump_backtrace) from [<c137e30c>] (show_stack+0x20/0x24)

 3410 07:27:39.923566  # [   86.600360]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8

 3411 07:27:39.923930  # [   86.606038] [<c137e2ec>] (show_stack) from [<c1385568>] (dump_stack+0xe0/0x100)

 3412 07:27:39.924288  # [   86.613366] [<c1385488>] (dump_stack) from [<c0356820>] (__warn+0x98/0x14c)

 3413 07:27:39.924610  # [   86.620340]  r9:00000009 r8:c0873990 r7:00000016 r6:00000009 r5:c0873990 r4:c1a212e0

 3414 07:27:39.924942  # [   86.628096] [<c0356788>] (__warn) from [<c137f448>] (warn_slowpath_fmt+0x8c/0xa8)

 3415 07:27:39.967033  # [   86.635589]  r7:00000016 r6:c1a212e0 r5:c1a212b8 r4:c5ac0000

 3416 07:27:39.967593  # [   86.641264] [<c137f3c0>] (warn_slowpath_fmt) from [<c0873990>] (refcount_warn_saturate+0xd4/0x174)

 3417 07:27:39.967976  # [   86.650234]  r9:c1acd290 r8:c15e8cf8 r7:c5ac1f60 r6:00000016 r5:c5e44000 r4:c5ac0000

 3418 07:27:39.968307  # [   86.657995] [<c08738bc>] (refcount_warn_saturate) from [<c0c553f8>] (__refcount_add.constprop.0+0x44/0x58)

 3419 07:27:39.968636  # [   86.667671] [<c0c553b4>] (__refcount_add.constprop.0) from [<c138c084>] (lkdtm_REFCOUNT_INC_OVERFLOW+0x78/0x9c)

 3420 07:27:40.015195  # [   86.677773] [<c138c00c>] (lkdtm_REFCOUNT_INC_OVERFLOW) from [<c0c54374>] (lkdtm_do_action+0x2c/0x4c)

 3421 07:27:40.015733  # [   86.686912]  r4:0000002b

 3422 07:27:40.016088  # [   86.689459] [<c0c54348>] (lkdtm_do_action) from [<c0c54874>] (direct_entry+0x120/0x18c)

 3423 07:27:40.016418  # [   86.697479] [<c0c54754>] (direct_entry) from [<c07e03d4>] (full_proxy_write+0x64/0x94)

 3424 07:27:40.016735  # [   86.705408]  r9:c5ac1f60 r8:c3082240 r7:00000016 r6:b6e39000 r5:c5aed040 r4:c0c54754

 3425 07:27:40.017044  # [   86.713170] [<c07e0370>] (full_proxy_write) from [<c059ac40>] (vfs_write+0x10c/0x53c)

 3426 07:27:40.059042  # [   86.721010]  r9:c07e0370 r8:c5ac1f60 r7:c2815800 r6:b6e39000 r5:c5aed040 r4:00000000

 3427 07:27:40.059585  # [   86.728767] [<c059ab34>] (vfs_write) from [<c059b1ec>] (ksys_write+0x74/0xec)

 3428 07:27:40.059948  # [   86.735914]  r10:00000004 r9:00000000 r8:00000000 r7:b6e39000 r6:c5ac0000 r5:c5aed040

 3429 07:27:40.060276  # [   86.743750]  r4:c5aed040

 3430 07:27:40.060587  # [   86.746295] [<c059b178>] (ksys_write) from [<c059b27c>] (sys_write+0x18/0x1c)

 3431 07:27:40.060895  # [   86.753441]  r9:c5ac0000 r8:c03002e4 r7:00000004 r6:b6f80e00 r5:00000016 r4:00000016

 3432 07:27:40.103023  # [   86.761198] [<c059b264>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 3433 07:27:40.103566  # [   86.768775] Exception stack(0xc5ac1fa8 to 0xc5ac1ff0)

 3434 07:27:40.103928  # [   86.773838] 1fa0:                   00000016 00000016 00000001 b6e39000 00000016 00000000

 3435 07:27:40.104260  # [   86.782029] 1fc0: 00000016 00000016 b6f80e00 00000004 00000001 00000000 00020000 bef7eac4

 3436 07:27:40.104573  # [   86.790214] 1fe0: 00000004 bef7e7f8 b6eead8f b6e717e6

 3437 07:27:40.104883  # [   86.795361] irq event stamp: 0

 3438 07:27:40.105185  # [   86.798468] hardirqs last  enabled at (0): [<00000000>] 0x0

 3439 07:27:40.147701  # [   86.804065] hardirqs last disabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 3440 07:27:40.148234  # [   86.811612] softirqs last  enabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 3441 07:27:40.148590  # [   86.819179] softirqs last disabled at (0): [<00000000>] 0x0

 3442 07:27:40.148918  # [   86.824772] ---[ end trace eec2cb921daffbcc ]---

 3443 07:27:40.149232  # [   86.829440] lkdtm: Overflow detected: saturated

 3444 07:27:40.149540  # REFCOUNT_INC_OVERFLOW: missing 'call trace:': [FAIL]

 3445 07:27:40.149842  not ok 42 selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # exit=1

 3446 07:27:40.150146  # selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh

 3447 07:27:40.247285  [   87.356252] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW

 3448 07:27:40.247818  [   87.362448] lkdtm: attempting good refcount_add() without overflow

 3449 07:27:40.248167  [   87.368723] lkdtm: attempting bad refcount_add() overflow

 3450 07:27:40.248495  [   87.374138] ------------[ cut here ]------------

 3451 07:27:40.248808  [   87.378841] WARNING: CPU: 0 PID: 2613 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174

 3452 07:27:40.249118  [   87.387342] refcount_t: saturated; leaking memory.

 3453 07:27:40.291023  [   87.392147] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3

 3454 07:27:40.291576  [   87.421481] CPU: 0 PID: 2613 Comm: cat Tainted: G      D W         5.10.180-cip33 #1

 3455 07:27:40.291939  [   87.429235] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 3456 07:27:40.292267  [   87.435771] Backtrace: 

 3457 07:27:40.335160  [   87.438248] [<c137df4c>] (dump_backtrace) from [<c137e30c>] (show_stack+0x20/0x24)

 3458 07:27:40.335696  [   87.445830]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8

 3459 07:27:40.336054  [   87.451506] [<c137e2ec>] (show_stack) from [<c1385568>] (dump_stack+0xe0/0x100)

 3460 07:27:40.336384  [   87.458834] [<c1385488>] (dump_stack) from [<c0356820>] (__warn+0x98/0x14c)

 3461 07:27:40.336698  [   87.465807]  r9:00000009 r8:c0873990 r7:00000016 r6:00000009 r5:c0873990 r4:c1a212e0

 3462 07:27:40.337009  [   87.473564] [<c0356788>] (__warn) from [<c137f448>] (warn_slowpath_fmt+0x8c/0xa8)

 3463 07:27:40.337311  [   87.481055]  r7:00000016 r6:c1a212e0 r5:c1a212b8 r4:c5edc000

 3464 07:27:40.379201  [   87.486729] [<c137f3c0>] (warn_slowpath_fmt) from [<c0873990>] (refcount_warn_saturate+0xd4/0x174)

 3465 07:27:40.379751  [   87.495699]  r9:c1acd2a8 r8:c15e8cf8 r7:c5eddf60 r6:00000016 r5:c6bb0000 r4:c5edc000

 3466 07:27:40.380111  [   87.503460] [<c08738bc>] (refcount_warn_saturate) from [<c0c553f8>] (__refcount_add.constprop.0+0x44/0x58)

 3467 07:27:40.380446  [   87.513132] [<c0c553b4>] (__refcount_add.constprop.0) from [<c138c12c>] (lkdtm_REFCOUNT_ADD_OVERFLOW+0x84/0xa8)

 3468 07:27:40.423203  [   87.523236] [<c138c0a8>] (lkdtm_REFCOUNT_ADD_OVERFLOW) from [<c0c54374>] (lkdtm_do_action+0x2c/0x4c)

 3469 07:27:40.423741  [   87.532374]  r4:0000002c

 3470 07:27:40.424095  [   87.534921] [<c0c54348>] (lkdtm_do_action) from [<c0c54874>] (direct_entry+0x120/0x18c)

 3471 07:27:40.424422  [   87.542940] [<c0c54754>] (direct_entry) from [<c07e03d4>] (full_proxy_write+0x64/0x94)

 3472 07:27:40.424737  [   87.550870]  r9:c5eddf60 r8:c3082240 r7:00000016 r6:b6e65000 r5:c5e12280 r4:c0c54754

 3473 07:27:40.425041  [   87.558630] [<c07e0370>] (full_proxy_write) from [<c059ac40>] (vfs_write+0x10c/0x53c)

 3474 07:27:40.467203  [   87.566470]  r9:c07e0370 r8:c5eddf60 r7:c2815800 r6:b6e65000 r5:c5e12280 r4:00000000

 3475 07:27:40.467740  [   87.574225] [<c059ab34>] (vfs_write) from [<c059b1ec>] (ksys_write+0x74/0xec)

 3476 07:27:40.468098  [   87.581371]  r10:00000004 r9:00000000 r8:00000000 r7:b6e65000 r6:c5edc000 r5:c5e12280

 3477 07:27:40.468424  [   87.589206]  r4:c5e12280

 3478 07:27:40.468737  [   87.591753] [<c059b178>] (ksys_write) from [<c059b27c>] (sys_write+0x18/0x1c)

 3479 07:27:40.469046  [   87.598898]  r9:c5edc000 r8:c03002e4 r7:00000004 r6:b6face00 r5:00000016 r4:00000016

 3480 07:27:40.469349  [   87.606656] [<c059b264>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 3481 07:27:40.511022  [   87.614233] Exception stack(0xc5eddfa8 to 0xc5eddff0)

 3482 07:27:40.511559  [   87.619299] dfa0:                   00000016 00000016 00000001 b6e65000 00000016 00000000

 3483 07:27:40.511922  [   87.627488] dfc0: 00000016 00000016 b6face00 00000004 00000001 00000000 00020000 bead6ac4

 3484 07:27:40.512251  [   87.635674] dfe0: 00000004 bead67f8 b6f16d8f b6e9d7e6

 3485 07:27:40.512566  [   87.640829] irq event stamp: 0

 3486 07:27:40.512873  [   87.643908] hardirqs last  enabled at (0): [<00000000>] 0x0

 3487 07:27:40.513175  [   87.649538] hardirqs last disabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 3488 07:27:40.554865  [   87.657329] softirqs last  enabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 3489 07:27:40.555286  [   87.665956] softirqs last disabled at (0): [<00000000>] 0x0

 3490 07:27:40.555606  [   87.671611] ---[ end trace eec2cb921daffbcd ]---

 3491 07:27:40.555908  [   87.676246] lkdtm: Overflow detected: saturated

 3492 07:27:40.700529  # [   87.356252] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW

 3493 07:27:40.701041  # [   87.362448] lkdtm: attempting good refcount_add() without overflow

 3494 07:27:40.701372  # [   87.368723] lkdtm: attempting bad refcount_add() overflow

 3495 07:27:40.701673  # [   87.374138] ------------[ cut here ]------------

 3496 07:27:40.701991  # [   87.378841] WARNING: CPU: 0 PID: 2613 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174

 3497 07:27:40.702302  # [   87.387342] refcount_t: saturated; leaking memory.

 3498 07:27:40.743594  # [   87.392147] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3

 3499 07:27:40.744111  # [   87.421481] CPU: 0 PID: 2613 Comm: cat Tainted: G      D W         5.10.180-cip33 #1

 3500 07:27:40.744442  # [   87.429235] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 3501 07:27:40.744747  # [   87.435771] Backtrace: 

 3502 07:27:40.791183  # [   87.438248] [<c137df4c>] (dump_backtrace) from [<c137e30c>] (show_stack+0x20/0x24)

 3503 07:27:40.791686  # [   87.445830]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8

 3504 07:27:40.792018  # [   87.451506] [<c137e2ec>] (show_stack) from [<c1385568>] (dump_stack+0xe0/0x100)

 3505 07:27:40.792321  # [   87.458834] [<c1385488>] (dump_stack) from [<c0356820>] (__warn+0x98/0x14c)

 3506 07:27:40.792608  # [   87.465807]  r9:00000009 r8:c0873990 r7:00000016 r6:00000009 r5:c0873990 r4:c1a212e0

 3507 07:27:40.792891  # [   87.473564] [<c0356788>] (__warn) from [<c137f448>] (warn_slowpath_fmt+0x8c/0xa8)

 3508 07:27:40.835013  # [   87.481055]  r7:00000016 r6:c1a212e0 r5:c1a212b8 r4:c5edc000

 3509 07:27:40.835510  # [   87.486729] [<c137f3c0>] (warn_slowpath_fmt) from [<c0873990>] (refcount_warn_saturate+0xd4/0x174)

 3510 07:27:40.835835  # [   87.495699]  r9:c1acd2a8 r8:c15e8cf8 r7:c5eddf60 r6:00000016 r5:c6bb0000 r4:c5edc000

 3511 07:27:40.836133  # [   87.503460] [<c08738bc>] (refcount_warn_saturate) from [<c0c553f8>] (__refcount_add.constprop.0+0x44/0x58)

 3512 07:27:40.836423  # [   87.513132] [<c0c553b4>] (__refcount_add.constprop.0) from [<c138c12c>] (lkdtm_REFCOUNT_ADD_OVERFLOW+0x84/0xa8)

 3513 07:27:40.879029  # [   87.523236] [<c138c0a8>] (lkdtm_REFCOUNT_ADD_OVERFLOW) from [<c0c54374>] (lkdtm_do_action+0x2c/0x4c)

 3514 07:27:40.879524  # [   87.532374]  r4:0000002c

 3515 07:27:40.879846  # [   87.534921] [<c0c54348>] (lkdtm_do_action) from [<c0c54874>] (direct_entry+0x120/0x18c)

 3516 07:27:40.880150  # [   87.542940] [<c0c54754>] (direct_entry) from [<c07e03d4>] (full_proxy_write+0x64/0x94)

 3517 07:27:40.880441  # [   87.550870]  r9:c5eddf60 r8:c3082240 r7:00000016 r6:b6e65000 r5:c5e12280 r4:c0c54754

 3518 07:27:40.880725  # [   87.558630] [<c07e0370>] (full_proxy_write) from [<c059ac40>] (vfs_write+0x10c/0x53c)

 3519 07:27:40.923022  # [   87.566470]  r9:c07e0370 r8:c5eddf60 r7:c2815800 r6:b6e65000 r5:c5e12280 r4:00000000

 3520 07:27:40.923522  # [   87.574225] [<c059ab34>] (vfs_write) from [<c059b1ec>] (ksys_write+0x74/0xec)

 3521 07:27:40.923848  # [   87.581371]  r10:00000004 r9:00000000 r8:00000000 r7:b6e65000 r6:c5edc000 r5:c5e12280

 3522 07:27:40.924146  # [   87.589206]  r4:c5e12280

 3523 07:27:40.924434  # [   87.591753] [<c059b178>] (ksys_write) from [<c059b27c>] (sys_write+0x18/0x1c)

 3524 07:27:40.924719  # [   87.598898]  r9:c5edc000 r8:c03002e4 r7:00000004 r6:b6face00 r5:00000016 r4:00000016

 3525 07:27:40.967173  # [   87.606656] [<c059b264>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 3526 07:27:40.967649  # [   87.614233] Exception stack(0xc5eddfa8 to 0xc5eddff0)

 3527 07:27:40.967980  # [   87.619299] dfa0:                   00000016 00000016 00000001 b6e65000 00000016 00000000

 3528 07:27:40.968285  # [   87.627488] dfc0: 00000016 00000016 b6face00 00000004 00000001 00000000 00020000 bead6ac4

 3529 07:27:40.968574  # [   87.635674] dfe0: 00000004 bead67f8 b6f16d8f b6e9d7e6

 3530 07:27:40.968857  # [   87.640829] irq event stamp: 0

 3531 07:27:40.969134  # [   87.643908] hardirqs last  enabled at (0): [<00000000>] 0x0

 3532 07:27:41.011985  # [   87.649538] hardirqs last disabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 3533 07:27:41.012490  # [   87.657329] softirqs last  enabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 3534 07:27:41.012817  # [   87.665956] softirqs last disabled at (0): [<00000000>] 0x0

 3535 07:27:41.013116  # [   87.671611] ---[ end trace eec2cb921daffbcd ]---

 3536 07:27:41.013402  # [   87.676246] lkdtm: Overflow detected: saturated

 3537 07:27:41.013684  # REFCOUNT_ADD_OVERFLOW: missing 'call trace:': [FAIL]

 3538 07:27:41.013960  not ok 43 selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh # exit=1

 3539 07:27:41.014241  # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh

 3540 07:27:41.105653  [   88.214805] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW

 3541 07:27:41.106153  [   88.221762] lkdtm: attempting bad refcount_inc_not_zero() overflow

 3542 07:27:41.106480  [   88.228053] ------------[ cut here ]------------

 3543 07:27:41.106868  [   88.232731] WARNING: CPU: 1 PID: 2647 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174

 3544 07:27:41.107194  [   88.241245] refcount_t: saturated; leaking memory.

 3545 07:27:41.148978  [   88.246052] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3

 3546 07:27:41.149531  [   88.275281] CPU: 1 PID: 2647 Comm: cat Tainted: G      D W         5.10.180-cip33 #1

 3547 07:27:41.149888  [   88.283035] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 3548 07:27:41.150216  [   88.289569] Backtrace: 

 3549 07:27:41.150556  [   88.292048] [<c137df4c>] (dump_backtrace) from [<c137e30c>] (show_stack+0x20/0x24)

 3550 07:27:41.192179  [   88.299631]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8

 3551 07:27:41.192715  [   88.305306] [<c137e2ec>] (show_stack) from [<c1385568>] (dump_stack+0xe0/0x100)

 3552 07:27:41.193073  [   88.312636] [<c1385488>] (dump_stack) from [<c0356820>] (__warn+0x98/0x14c)

 3553 07:27:41.193401  [   88.319610]  r9:00000009 r8:c087395c r7:00000013 r6:00000009 r5:c087395c r4:c1a212e0

 3554 07:27:41.193718  [   88.327367] [<c0356788>] (__warn) from [<c137f448>] (warn_slowpath_fmt+0x8c/0xa8)

 3555 07:27:41.194026  [   88.334859]  r7:00000013 r6:c1a212e0 r5:c1a212b8 r4:c5a22000

 3556 07:27:41.235475  [   88.340534] [<c137f3c0>] (warn_slowpath_fmt) from [<c087395c>] (refcount_warn_saturate+0xa0/0x174)

 3557 07:27:41.236011  [   88.349503]  r9:c1acd2c0 r8:c15e8cf8 r7:c5a23f60 r6:0000001f r5:c5e44000 r4:7fffffff

 3558 07:27:41.236366  [   88.357267] [<c08738bc>] (refcount_warn_saturate) from [<c138bff8>] (__refcount_add_not_zero.constprop.0+0x64/0x78)

 3559 07:27:41.236697  [   88.367724] [<c138bf94>] (__refcount_add_not_zero.constprop.0) from [<c138c1a0>] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x50/0x88)

 3560 07:27:41.237012  [   88.379382]  r5:c5e44000 r4:c5a22000

 3561 07:27:41.279020  [   88.382977] [<c138c150>] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW) from [<c0c54374>] (lkdtm_do_action+0x2c/0x4c)

 3562 07:27:41.279555  [   88.392898]  r4:0000002d

 3563 07:27:41.279914  [   88.395445] [<c0c54348>] (lkdtm_do_action) from [<c0c54874>] (direct_entry+0x120/0x18c)

 3564 07:27:41.280238  [   88.403467] [<c0c54754>] (direct_entry) from [<c07e03d4>] (full_proxy_write+0x64/0x94)

 3565 07:27:41.280553  [   88.411394]  r9:c5a23f60 r8:c3082240 r7:0000001f r6:b6e67000 r5:c5e9c3c0 r4:c0c54754

 3566 07:27:41.280860  [   88.419156] [<c07e0370>] (full_proxy_write) from [<c059ac40>] (vfs_write+0x10c/0x53c)

 3567 07:27:41.323024  [   88.426997]  r9:c07e0370 r8:c5a23f60 r7:c2815800 r6:b6e67000 r5:c5e9c3c0 r4:00000000

 3568 07:27:41.323557  [   88.434752] [<c059ab34>] (vfs_write) from [<c059b1ec>] (ksys_write+0x74/0xec)

 3569 07:27:41.323920  [   88.441897]  r10:00000004 r9:00000000 r8:00000000 r7:b6e67000 r6:c5a22000 r5:c5e9c3c0

 3570 07:27:41.324247  [   88.449732]  r4:c5e9c3c0

 3571 07:27:41.324561  [   88.452281] [<c059b178>] (ksys_write) from [<c059b27c>] (sys_write+0x18/0x1c)

 3572 07:27:41.324870  [   88.459428]  r9:c5a22000 r8:c03002e4 r7:00000004 r6:b6faee00 r5:0000001f r4:0000001f

 3573 07:27:41.325168  [   88.467186] [<c059b264>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 3574 07:27:41.366883  [   88.474764] Exception stack(0xc5a23fa8 to 0xc5a23ff0)

 3575 07:27:41.367382  [   88.479829] 3fa0:                   0000001f 0000001f 00000001 b6e67000 0000001f 00000000

 3576 07:27:41.367707  [   88.488020] 3fc0: 0000001f 0000001f b6faee00 00000004 00000001 00000000 00020000 bec64ac4

 3577 07:27:41.368013  [   88.496205] 3fe0: 00000004 bec647f8 b6f18d8f b6e9f7e6

 3578 07:27:41.368300  [   88.501337] irq event stamp: 0

 3579 07:27:41.368584  [   88.504416] hardirqs last  enabled at (0): [<00000000>] 0x0

 3580 07:27:41.368864  [   88.510040] hardirqs last disabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 3581 07:27:41.410677  [   88.517588] softirqs last  enabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 3582 07:27:41.410775  [   88.525124] softirqs last disabled at (0): [<00000000>] 0x0

 3583 07:27:41.410869  [   88.530767] ---[ end trace eec2cb921daffbce ]---

 3584 07:27:41.410933  [   88.535412] lkdtm: Overflow detected: saturated

 3585 07:27:41.551502  # [   88.214805] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW

 3586 07:27:41.552035  # [   88.221762] lkdtm: attempting bad refcount_inc_not_zero() overflow

 3587 07:27:41.552389  # [   88.228053] ------------[ cut here ]------------

 3588 07:27:41.552716  # [   88.232731] WARNING: CPU: 1 PID: 2647 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174

 3589 07:27:41.553035  # [   88.241245] refcount_t: saturated; leaking memory.

 3590 07:27:41.594962  # [   88.246052] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3

 3591 07:27:41.595512  # [   88.275281] CPU: 1 PID: 2647 Comm: cat Tainted: G      D W         5.10.180-cip33 #1

 3592 07:27:41.595869  # [   88.283035] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 3593 07:27:41.596195  # [   88.289569] Backtrace: 

 3594 07:27:41.596508  # [   88.292048] [<c137df4c>] (dump_backtrace) from [<c137e30c>] (show_stack+0x20/0x24)

 3595 07:27:41.639147  # [   88.299631]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8

 3596 07:27:41.639683  # [   88.305306] [<c137e2ec>] (show_stack) from [<c1385568>] (dump_stack+0xe0/0x100)

 3597 07:27:41.640043  # [   88.312636] [<c1385488>] (dump_stack) from [<c0356820>] (__warn+0x98/0x14c)

 3598 07:27:41.640367  # [   88.319610]  r9:00000009 r8:c087395c r7:00000013 r6:00000009 r5:c087395c r4:c1a212e0

 3599 07:27:41.640678  # [   88.327367] [<c0356788>] (__warn) from [<c137f448>] (warn_slowpath_fmt+0x8c/0xa8)

 3600 07:27:41.640986  # [   88.334859]  r7:00000013 r6:c1a212e0 r5:c1a212b8 r4:c5a22000

 3601 07:27:41.683019  # [   88.340534] [<c137f3c0>] (warn_slowpath_fmt) from [<c087395c>] (refcount_warn_saturate+0xa0/0x174)

 3602 07:27:41.683527  # [   88.349503]  r9:c1acd2c0 r8:c15e8cf8 r7:c5a23f60 r6:0000001f r5:c5e44000 r4:7fffffff

 3603 07:27:41.683882  # [   88.357267] [<c08738bc>] (refcount_warn_saturate) from [<c138bff8>] (__refcount_add_not_zero.constprop.0+0x64/0x78)

 3604 07:27:41.684182  # [   88.367724] [<c138bf94>] (__refcount_add_not_zero.constprop.0) from [<c138c1a0>] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x50/0x88)

 3605 07:27:41.684468  # [   88.379382]  r5:c5e44000 r4:c5a22000

 3606 07:27:41.727188  # [   88.382977] [<c138c150>] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW) from [<c0c54374>] (lkdtm_do_action+0x2c/0x4c)

 3607 07:27:41.727686  # [   88.392898]  r4:0000002d

 3608 07:27:41.728022  # [   88.395445] [<c0c54348>] (lkdtm_do_action) from [<c0c54874>] (direct_entry+0x120/0x18c)

 3609 07:27:41.728318  # [   88.403467] [<c0c54754>] (direct_entry) from [<c07e03d4>] (full_proxy_write+0x64/0x94)

 3610 07:27:41.728599  # [   88.411394]  r9:c5a23f60 r8:c3082240 r7:0000001f r6:b6e67000 r5:c5e9c3c0 r4:c0c54754

 3611 07:27:41.728874  # [   88.419156] [<c07e0370>] (full_proxy_write) from [<c059ac40>] (vfs_write+0x10c/0x53c)

 3612 07:27:41.771034  # [   88.426997]  r9:c07e0370 r8:c5a23f60 r7:c2815800 r6:b6e67000 r5:c5e9c3c0 r4:00000000

 3613 07:27:41.771530  # [   88.434752] [<c059ab34>] (vfs_write) from [<c059b1ec>] (ksys_write+0x74/0xec)

 3614 07:27:41.771852  # [   88.441897]  r10:00000004 r9:00000000 r8:00000000 r7:b6e67000 r6:c5a22000 r5:c5e9c3c0

 3615 07:27:41.772144  # [   88.449732]  r4:c5e9c3c0

 3616 07:27:41.772459  # [   88.452281] [<c059b178>] (ksys_write) from [<c059b27c>] (sys_write+0x18/0x1c)

 3617 07:27:41.772757  # [   88.459428]  r9:c5a22000 r8:c03002e4 r7:00000004 r6:b6faee00 r5:0000001f r4:0000001f

 3618 07:27:41.815199  # [   88.467186] [<c059b264>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 3619 07:27:41.815737  # [   88.474764] Exception stack(0xc5a23fa8 to 0xc5a23ff0)

 3620 07:27:41.816095  # [   88.479829] 3fa0:                   0000001f 0000001f 00000001 b6e67000 0000001f 00000000

 3621 07:27:41.816424  # [   88.488020] 3fc0: 0000001f 0000001f b6faee00 00000004 00000001 00000000 00020000 bec64ac4

 3622 07:27:41.816742  # [   88.496205] 3fe0: 00000004 bec647f8 b6f18d8f b6e9f7e6

 3623 07:27:41.817052  # [   88.501337] irq event stamp: 0

 3624 07:27:41.817353  # [   88.504416] hardirqs last  enabled at (0): [<00000000>] 0x0

 3625 07:27:41.863188  # [   88.510040] hardirqs last disabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 3626 07:27:41.863737  # [   88.517588] softirqs last  enabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 3627 07:27:41.864096  # [   88.525124] softirqs last disabled at (0): [<00000000>] 0x0

 3628 07:27:41.864425  # [   88.530767] ---[ end trace eec2cb921daffbce ]---

 3629 07:27:41.864740  # [   88.535412] lkdtm: Overflow detected: saturated

 3630 07:27:41.865045  # REFCOUNT_INC_NOT_ZERO_OVERFLOW: missing 'call trace:': [FAIL]

 3631 07:27:41.865342  not ok 44 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh # exit=1

 3632 07:27:41.865643  # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh

 3633 07:27:41.958955  [   89.068085] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW

 3634 07:27:41.959455  [   89.074899] lkdtm: attempting bad refcount_add_not_zero() overflow

 3635 07:27:41.959778  [   89.081156] ------------[ cut here ]------------

 3636 07:27:41.960077  [   89.085807] WARNING: CPU: 3 PID: 2681 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174

 3637 07:27:41.960372  [   89.094309] refcount_t: saturated; leaking memory.

 3638 07:27:42.003050  [   89.099148] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3

 3639 07:27:42.003567  [   89.128397] CPU: 3 PID: 2681 Comm: cat Tainted: G      D W         5.10.180-cip33 #1

 3640 07:27:42.003942  [   89.136150] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 3641 07:27:42.004273  [   89.142685] Backtrace: 

 3642 07:27:42.004588  [   89.145164] [<c137df4c>] (dump_backtrace) from [<c137e30c>] (show_stack+0x20/0x24)

 3643 07:27:42.047163  [   89.152745]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8

 3644 07:27:42.047701  [   89.158421] [<c137e2ec>] (show_stack) from [<c1385568>] (dump_stack+0xe0/0x100)

 3645 07:27:42.048059  [   89.165749] [<c1385488>] (dump_stack) from [<c0356820>] (__warn+0x98/0x14c)

 3646 07:27:42.048383  [   89.172725]  r9:00000009 r8:c087395c r7:00000013 r6:00000009 r5:c087395c r4:c1a212e0

 3647 07:27:42.048700  [   89.180482] [<c0356788>] (__warn) from [<c137f448>] (warn_slowpath_fmt+0x8c/0xa8)

 3648 07:27:42.049006  [   89.187976]  r7:00000013 r6:c1a212e0 r5:c1a212b8 r4:c5edc000

 3649 07:27:42.091169  [   89.193649] [<c137f3c0>] (warn_slowpath_fmt) from [<c087395c>] (refcount_warn_saturate+0xa0/0x174)

 3650 07:27:42.091707  [   89.202618]  r9:c1acd2e0 r8:c15e8cf8 r7:c5eddf60 r6:0000001f r5:c6bfb000 r4:7fffffff

 3651 07:27:42.092068  [   89.210382] [<c08738bc>] (refcount_warn_saturate) from [<c138bff8>] (__refcount_add_not_zero.constprop.0+0x64/0x78)

 3652 07:27:42.092402  [   89.220836] [<c138bf94>] (__refcount_add_not_zero.constprop.0) from [<c138c228>] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x50/0x88)

 3653 07:27:42.092717  [   89.232493]  r5:c6bfb000 r4:c5edc000

 3654 07:27:42.135174  [   89.236086] [<c138c1d8>] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW) from [<c0c54374>] (lkdtm_do_action+0x2c/0x4c)

 3655 07:27:42.135707  [   89.246007]  r4:0000002e

 3656 07:27:42.136063  [   89.248553] [<c0c54348>] (lkdtm_do_action) from [<c0c54874>] (direct_entry+0x120/0x18c)

 3657 07:27:42.136395  [   89.256575] [<c0c54754>] (direct_entry) from [<c07e03d4>] (full_proxy_write+0x64/0x94)

 3658 07:27:42.136708  [   89.264506]  r9:c5eddf60 r8:c3082240 r7:0000001f r6:b6dea000 r5:c5aed400 r4:c0c54754

 3659 07:27:42.137015  [   89.272267] [<c07e0370>] (full_proxy_write) from [<c059ac40>] (vfs_write+0x10c/0x53c)

 3660 07:27:42.179174  [   89.280108]  r9:c07e0370 r8:c5eddf60 r7:c2815800 r6:b6dea000 r5:c5aed400 r4:00000000

 3661 07:27:42.179711  [   89.287863] [<c059ab34>] (vfs_write) from [<c059b1ec>] (ksys_write+0x74/0xec)

 3662 07:27:42.180072  [   89.295011]  r10:00000004 r9:00000000 r8:00000000 r7:b6dea000 r6:c5edc000 r5:c5aed400

 3663 07:27:42.180401  [   89.302846]  r4:c5aed400

 3664 07:27:42.180715  [   89.305393] [<c059b178>] (ksys_write) from [<c059b27c>] (sys_write+0x18/0x1c)

 3665 07:27:42.181025  [   89.312540]  r9:c5edc000 r8:c03002e4 r7:00000004 r6:b6f31e00 r5:0000001f r4:0000001f

 3666 07:27:42.181327  [   89.320297] [<c059b264>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 3667 07:27:42.222943  [   89.327874] Exception stack(0xc5eddfa8 to 0xc5eddff0)

 3668 07:27:42.223474  [   89.332938] dfa0:                   0000001f 0000001f 00000001 b6dea000 0000001f 00000000

 3669 07:27:42.223829  [   89.341127] dfc0: 0000001f 0000001f b6f31e00 00000004 00000001 00000000 00020000 befd3ac4

 3670 07:27:42.224156  [   89.349313] dfe0: 00000004 befd37f8 b6e9bd8f b6e227e6

 3671 07:27:42.224469  [   89.354441] irq event stamp: 0

 3672 07:27:42.224775  [   89.357545] hardirqs last  enabled at (0): [<00000000>] 0x0

 3673 07:27:42.225073  [   89.363140] hardirqs last disabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 3674 07:27:42.266970  [   89.370694] softirqs last  enabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 3675 07:27:42.267146  [   89.378271] softirqs last disabled at (0): [<00000000>] 0x0

 3676 07:27:42.267233  [   89.383873] ---[ end trace eec2cb921daffbcf ]---

 3677 07:27:42.267314  [   89.388551] lkdtm: Overflow detected: saturated

 3678 07:27:42.404869  # [   89.068085] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW

 3679 07:27:42.405410  # [   89.074899] lkdtm: attempting bad refcount_add_not_zero() overflow

 3680 07:27:42.405761  # [   89.081156] ------------[ cut here ]------------

 3681 07:27:42.406089  # [   89.085807] WARNING: CPU: 3 PID: 2681 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174

 3682 07:27:42.406407  # [   89.094309] refcount_t: saturated; leaking memory.

 3683 07:27:42.447850  # [   89.099148] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3

 3684 07:27:42.448403  # [   89.128397] CPU: 3 PID: 2681 Comm: cat Tainted: G      D W         5.10.180-cip33 #1

 3685 07:27:42.448759  # [   89.136150] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 3686 07:27:42.449086  # [   89.142685] Backtrace: 

 3687 07:27:42.449397  # [   89.145164] [<c137df4c>] (dump_backtrace) from [<c137e30c>] (show_stack+0x20/0x24)

 3688 07:27:42.491036  # [   89.152745]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8

 3689 07:27:42.491572  # [   89.158421] [<c137e2ec>] (show_stack) from [<c1385568>] (dump_stack+0xe0/0x100)

 3690 07:27:42.491929  # [   89.165749] [<c1385488>] (dump_stack) from [<c0356820>] (__warn+0x98/0x14c)

 3691 07:27:42.492255  # [   89.172725]  r9:00000009 r8:c087395c r7:00000013 r6:00000009 r5:c087395c r4:c1a212e0

 3692 07:27:42.492572  # [   89.180482] [<c0356788>] (__warn) from [<c137f448>] (warn_slowpath_fmt+0x8c/0xa8)

 3693 07:27:42.492890  # [   89.187976]  r7:00000013 r6:c1a212e0 r5:c1a212b8 r4:c5edc000

 3694 07:27:42.539004  # [   89.193649] [<c137f3c0>] (warn_slowpath_fmt) from [<c087395c>] (refcount_warn_saturate+0xa0/0x174)

 3695 07:27:42.539504  # [   89.202618]  r9:c1acd2e0 r8:c15e8cf8 r7:c5eddf60 r6:0000001f r5:c6bfb000 r4:7fffffff

 3696 07:27:42.539843  # [   89.210382] [<c08738bc>] (refcount_warn_saturate) from [<c138bff8>] (__refcount_add_not_zero.constprop.0+0x64/0x78)

 3697 07:27:42.540151  # [   89.220836] [<c138bf94>] (__refcount_add_not_zero.constprop.0) from [<c138c228>] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x50/0x88)

 3698 07:27:42.540448  # [   89.232493]  r5:c6bfb000 r4:c5edc000

 3699 07:27:42.583193  # [   89.236086] [<c138c1d8>] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW) from [<c0c54374>] (lkdtm_do_action+0x2c/0x4c)

 3700 07:27:42.583694  # [   89.246007]  r4:0000002e

 3701 07:27:42.584024  # [   89.248553] [<c0c54348>] (lkdtm_do_action) from [<c0c54874>] (direct_entry+0x120/0x18c)

 3702 07:27:42.584325  # [   89.256575] [<c0c54754>] (direct_entry) from [<c07e03d4>] (full_proxy_write+0x64/0x94)

 3703 07:27:42.584612  # [   89.264506]  r9:c5eddf60 r8:c3082240 r7:0000001f r6:b6dea000 r5:c5aed400 r4:c0c54754

 3704 07:27:42.584897  # [   89.272267] [<c07e0370>] (full_proxy_write) from [<c059ac40>] (vfs_write+0x10c/0x53c)

 3705 07:27:42.627008  # [   89.280108]  r9:c07e0370 r8:c5eddf60 r7:c2815800 r6:b6dea000 r5:c5aed400 r4:00000000

 3706 07:27:42.627505  # [   89.287863] [<c059ab34>] (vfs_write) from [<c059b1ec>] (ksys_write+0x74/0xec)

 3707 07:27:42.627830  # [   89.295011]  r10:00000004 r9:00000000 r8:00000000 r7:b6dea000 r6:c5edc000 r5:c5aed400

 3708 07:27:42.628131  # [   89.302846]  r4:c5aed400

 3709 07:27:42.628419  # [   89.305393] [<c059b178>] (ksys_write) from [<c059b27c>] (sys_write+0x18/0x1c)

 3710 07:27:42.628701  # [   89.312540]  r9:c5edc000 r8:c03002e4 r7:00000004 r6:b6f31e00 r5:0000001f r4:0000001f

 3711 07:27:42.671197  # [   89.320297] [<c059b264>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 3712 07:27:42.671703  # [   89.327874] Exception stack(0xc5eddfa8 to 0xc5eddff0)

 3713 07:27:42.672035  # [   89.332938] dfa0:                   0000001f 0000001f 00000001 b6dea000 0000001f 00000000

 3714 07:27:42.672338  # [   89.341127] dfc0: 0000001f 0000001f b6f31e00 00000004 00000001 00000000 00020000 befd3ac4

 3715 07:27:42.672629  # [   89.349313] dfe0: 00000004 befd37f8 b6e9bd8f b6e227e6

 3716 07:27:42.672914  # [   89.354441] irq event stamp: 0

 3717 07:27:42.673194  # [   89.357545] hardirqs last  enabled at (0): [<00000000>] 0x0

 3718 07:27:42.716061  # [   89.363140] hardirqs last disabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 3719 07:27:42.716560  # [   89.370694] softirqs last  enabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 3720 07:27:42.716885  # [   89.378271] softirqs last disabled at (0): [<00000000>] 0x0

 3721 07:27:42.717183  # [   89.383873] ---[ end trace eec2cb921daffbcf ]---

 3722 07:27:42.717470  # [   89.388551] lkdtm: Overflow detected: saturated

 3723 07:27:42.717749  # REFCOUNT_ADD_NOT_ZERO_OVERFLOW: missing 'call trace:': [FAIL]

 3724 07:27:42.718025  not ok 45 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh # exit=1

 3725 07:27:42.718303  # selftests: lkdtm: REFCOUNT_DEC_ZERO.sh

 3726 07:27:42.823220  [   89.931001] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO

 3727 07:27:42.823454  [   89.936686] lkdtm: attempting good refcount_dec()

 3728 07:27:42.823587  [   89.941475] lkdtm: attempting bad refcount_dec() to zero

 3729 07:27:42.823711  [   89.946804] ------------[ cut here ]------------

 3730 07:27:42.823829  [   89.951506] WARNING: CPU: 3 PID: 2715 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174

 3731 07:27:42.823944  [   89.960015] refcount_t: decrement hit 0; leaking memory.

 3732 07:27:42.866922  [   89.965342] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3

 3733 07:27:42.867312  [   89.994574] CPU: 3 PID: 2715 Comm: cat Tainted: G      D W         5.10.180-cip33 #1

 3734 07:27:42.867558  [   90.002326] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 3735 07:27:42.867775  [   90.008861] Backtrace: 

 3736 07:27:42.867984  [   90.011337] [<c137df4c>] (dump_backtrace) from [<c137e30c>] (show_stack+0x20/0x24)

 3737 07:27:42.911032  [   90.018920]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8

 3738 07:27:42.911534  [   90.024595] [<c137e2ec>] (show_stack) from [<c1385568>] (dump_stack+0xe0/0x100)

 3739 07:27:42.911873  [   90.031922] [<c1385488>] (dump_stack) from [<c0356820>] (__warn+0x98/0x14c)

 3740 07:27:42.912178  [   90.038896]  r9:00000009 r8:c0873928 r7:0000001f r6:00000009 r5:c0873928 r4:c1a212e0

 3741 07:27:42.912472  [   90.046654] [<c0356788>] (__warn) from [<c137f448>] (warn_slowpath_fmt+0x8c/0xa8)

 3742 07:27:42.912759  [   90.054147]  r7:0000001f r6:c1a212e0 r5:c1a21344 r4:c6852000

 3743 07:27:42.955014  [   90.059823] [<c137f3c0>] (warn_slowpath_fmt) from [<c0873928>] (refcount_warn_saturate+0x6c/0x174)

 3744 07:27:42.955551  [   90.068793]  r9:c1acd300 r8:c15e8cf8 r7:c6853f60 r6:00000012 r5:c6bfb000 r4:c6852000

 3745 07:27:42.955911  [   90.076554] [<c08738bc>] (refcount_warn_saturate) from [<c138bf90>] (__refcount_dec.constprop.0+0x38/0x3c)

 3746 07:27:42.956238  [   90.086227] [<c138bf58>] (__refcount_dec.constprop.0) from [<c138c2bc>] (lkdtm_REFCOUNT_DEC_ZERO+0x5c/0xd8)

 3747 07:27:42.956555  [   90.095984] [<c138c260>] (lkdtm_REFCOUNT_DEC_ZERO) from [<c0c54374>] (lkdtm_do_action+0x2c/0x4c)

 3748 07:27:42.999170  [   90.104777]  r4:0000002f

 3749 07:27:42.999669  [   90.107325] [<c0c54348>] (lkdtm_do_action) from [<c0c54874>] (direct_entry+0x120/0x18c)

 3750 07:27:43.000004  [   90.115348] [<c0c54754>] (direct_entry) from [<c07e03d4>] (full_proxy_write+0x64/0x94)

 3751 07:27:43.000314  [   90.123277]  r9:c6853f60 r8:c3082240 r7:00000012 r6:b6ddd000 r5:c5aecc80 r4:c0c54754

 3752 07:27:43.000607  [   90.131040] [<c07e0370>] (full_proxy_write) from [<c059ac40>] (vfs_write+0x10c/0x53c)

 3753 07:27:43.000892  [   90.138883]  r9:c07e0370 r8:c6853f60 r7:c2815800 r6:b6ddd000 r5:c5aecc80 r4:00000000

 3754 07:27:43.043055  [   90.146638] [<c059ab34>] (vfs_write) from [<c059b1ec>] (ksys_write+0x74/0xec)

 3755 07:27:43.043589  [   90.153784]  r10:00000004 r9:00000000 r8:00000000 r7:b6ddd000 r6:c6852000 r5:c5aecc80

 3756 07:27:43.043948  [   90.161620]  r4:c5aecc80

 3757 07:27:43.044274  [   90.164167] [<c059b178>] (ksys_write) from [<c059b27c>] (sys_write+0x18/0x1c)

 3758 07:27:43.044586  [   90.171314]  r9:c6852000 r8:c03002e4 r7:00000004 r6:b6f24e00 r5:00000012 r4:00000012

 3759 07:27:43.044892  [   90.179071] [<c059b264>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 3760 07:27:43.045195  [   90.186647] Exception stack(0xc6853fa8 to 0xc6853ff0)

 3761 07:27:43.086759  [   90.191711] 3fa0:                   00000012 00000012 00000001 b6ddd000 00000012 00000000

 3762 07:27:43.086950  [   90.199900] 3fc0: 00000012 00000012 b6f24e00 00000004 00000001 00000000 00020000 bee89ac4

 3763 07:27:43.087043  [   90.208085] 3fe0: 00000004 bee897f8 b6e8ed8f b6e157e6

 3764 07:27:43.087107  [   90.213251] irq event stamp: 0

 3765 07:27:43.087194  [   90.216329] hardirqs last  enabled at (0): [<00000000>] 0x0

 3766 07:27:43.087253  [   90.221959] hardirqs last disabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 3767 07:27:43.130706  [   90.229511] softirqs last  enabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 3768 07:27:43.130799  [   90.237042] softirqs last disabled at (0): [<00000000>] 0x0

 3769 07:27:43.130873  [   90.242697] ---[ end trace eec2cb921daffbd0 ]---

 3770 07:27:43.130944  [   90.247374] lkdtm: Zero detected: saturated

 3771 07:27:43.264976  # [   89.931001] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO

 3772 07:27:43.265473  # [   89.936686] lkdtm: attempting good refcount_dec()

 3773 07:27:43.265827  # [   89.941475] lkdtm: attempting bad refcount_dec() to zero

 3774 07:27:43.266151  # [   89.946804] ------------[ cut here ]------------

 3775 07:27:43.266463  # [   89.951506] WARNING: CPU: 3 PID: 2715 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174

 3776 07:27:43.266853  # [   89.960015] refcount_t: decrement hit 0; leaking memory.

 3777 07:27:43.307820  # [   89.965342] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3

 3778 07:27:43.308369  # [   89.994574] CPU: 3 PID: 2715 Comm: cat Tainted: G      D W         5.10.180-cip33 #1

 3779 07:27:43.308725  # [   90.002326] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 3780 07:27:43.309052  # [   90.008861] Backtrace: 

 3781 07:27:43.355186  # [   90.011337] [<c137df4c>] (dump_backtrace) from [<c137e30c>] (show_stack+0x20/0x24)

 3782 07:27:43.355688  # [   90.018920]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8

 3783 07:27:43.356050  # [   90.024595] [<c137e2ec>] (show_stack) from [<c1385568>] (dump_stack+0xe0/0x100)

 3784 07:27:43.356379  # [   90.031922] [<c1385488>] (dump_stack) from [<c0356820>] (__warn+0x98/0x14c)

 3785 07:27:43.356690  # [   90.038896]  r9:00000009 r8:c0873928 r7:0000001f r6:00000009 r5:c0873928 r4:c1a212e0

 3786 07:27:43.356997  # [   90.046654] [<c0356788>] (__warn) from [<c137f448>] (warn_slowpath_fmt+0x8c/0xa8)

 3787 07:27:43.357298  # [   90.054147]  r7:0000001f r6:c1a212e0 r5:c1a21344 r4:c6852000

 3788 07:27:43.398998  # [   90.059823] [<c137f3c0>] (warn_slowpath_fmt) from [<c0873928>] (refcount_warn_saturate+0x6c/0x174)

 3789 07:27:43.399469  # [   90.068793]  r9:c1acd300 r8:c15e8cf8 r7:c6853f60 r6:00000012 r5:c6bfb000 r4:c6852000

 3790 07:27:43.399769  # [   90.076554] [<c08738bc>] (refcount_warn_saturate) from [<c138bf90>] (__refcount_dec.constprop.0+0x38/0x3c)

 3791 07:27:43.400085  # [   90.086227] [<c138bf58>] (__refcount_dec.constprop.0) from [<c138c2bc>] (lkdtm_REFCOUNT_DEC_ZERO+0x5c/0xd8)

 3792 07:27:43.443194  # [   90.095984] [<c138c260>] (lkdtm_REFCOUNT_DEC_ZERO) from [<c0c54374>] (lkdtm_do_action+0x2c/0x4c)

 3793 07:27:43.443694  # [   90.104777]  r4:0000002f

 3794 07:27:43.444025  # [   90.107325] [<c0c54348>] (lkdtm_do_action) from [<c0c54874>] (direct_entry+0x120/0x18c)

 3795 07:27:43.444327  # [   90.115348] [<c0c54754>] (direct_entry) from [<c07e03d4>] (full_proxy_write+0x64/0x94)

 3796 07:27:43.444617  # [   90.123277]  r9:c6853f60 r8:c3082240 r7:00000012 r6:b6ddd000 r5:c5aecc80 r4:c0c54754

 3797 07:27:43.444907  # [   90.131040] [<c07e0370>] (full_proxy_write) from [<c059ac40>] (vfs_write+0x10c/0x53c)

 3798 07:27:43.486997  # [   90.138883]  r9:c07e0370 r8:c6853f60 r7:c2815800 r6:b6ddd000 r5:c5aecc80 r4:00000000

 3799 07:27:43.487502  # [   90.146638] [<c059ab34>] (vfs_write) from [<c059b1ec>] (ksys_write+0x74/0xec)

 3800 07:27:43.487838  # [   90.153784]  r10:00000004 r9:00000000 r8:00000000 r7:b6ddd000 r6:c6852000 r5:c5aecc80

 3801 07:27:43.488139  # [   90.161620]  r4:c5aecc80

 3802 07:27:43.488424  # [   90.164167] [<c059b178>] (ksys_write) from [<c059b27c>] (sys_write+0x18/0x1c)

 3803 07:27:43.488711  # [   90.171314]  r9:c6852000 r8:c03002e4 r7:00000004 r6:b6f24e00 r5:00000012 r4:00000012

 3804 07:27:43.488991  # [   90.179071] [<c059b264>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 3805 07:27:43.531186  # [   90.186647] Exception stack(0xc6853fa8 to 0xc6853ff0)

 3806 07:27:43.531660  # [   90.191711] 3fa0:                   00000012 00000012 00000001 b6ddd000 00000012 00000000

 3807 07:27:43.532002  # [   90.199900] 3fc0: 00000012 00000012 b6f24e00 00000004 00000001 00000000 00020000 bee89ac4

 3808 07:27:43.532305  # [   90.208085] 3fe0: 00000004 bee897f8 b6e8ed8f b6e157e6

 3809 07:27:43.532593  # [   90.213251] irq event stamp: 0

 3810 07:27:43.532878  # [   90.216329] hardirqs last  enabled at (0): [<00000000>] 0x0

 3811 07:27:43.575212  # [   90.221959] hardirqs last disabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 3812 07:27:43.575714  # [   90.229511] softirqs last  enabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 3813 07:27:43.576045  # [   90.237042] softirqs last disabled at (0): [<00000000>] 0x0

 3814 07:27:43.576345  # [   90.242697] ---[ end trace eec2cb921daffbd0 ]---

 3815 07:27:43.576632  # [   90.247374] lkdtm: Zero detected: saturated

 3816 07:27:43.576915  # REFCOUNT_DEC_ZERO: missing 'call trace:': [FAIL]

 3817 07:27:43.577192  not ok 46 selftests: lkdtm: REFCOUNT_DEC_ZERO.sh # exit=1

 3818 07:27:43.577469  # selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh

 3819 07:27:43.683049  [   90.792138] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE

 3820 07:27:43.683548  [   90.798295] lkdtm: attempting bad refcount_dec() below zero

 3821 07:27:43.683874  [   90.803905] ------------[ cut here ]------------

 3822 07:27:43.684175  [   90.808628] WARNING: CPU: 1 PID: 2752 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174

 3823 07:27:43.684468  [   90.817160] refcount_t: decrement hit 0; leaking memory.

 3824 07:27:43.727031  [   90.822487] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3

 3825 07:27:43.727540  [   90.851726] CPU: 1 PID: 2752 Comm: cat Tainted: G      D W         5.10.180-cip33 #1

 3826 07:27:43.727873  [   90.859479] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 3827 07:27:43.728176  [   90.866013] Backtrace: 

 3828 07:27:43.728462  [   90.868491] [<c137df4c>] (dump_backtrace) from [<c137e30c>] (show_stack+0x20/0x24)

 3829 07:27:43.771166  [   90.876075]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8

 3830 07:27:43.771666  [   90.881753] [<c137e2ec>] (show_stack) from [<c1385568>] (dump_stack+0xe0/0x100)

 3831 07:27:43.771998  [   90.889081] [<c1385488>] (dump_stack) from [<c0356820>] (__warn+0x98/0x14c)

 3832 07:27:43.772298  [   90.896055]  r9:00000009 r8:c0873928 r7:0000001f r6:00000009 r5:c0873928 r4:c1a212e0

 3833 07:27:43.772588  [   90.903813] [<c0356788>] (__warn) from [<c137f448>] (warn_slowpath_fmt+0x8c/0xa8)

 3834 07:27:43.772872  [   90.911304]  r7:0000001f r6:c1a212e0 r5:c1a21344 r4:c5c5e000

 3835 07:27:43.815190  [   90.916979] [<c137f3c0>] (warn_slowpath_fmt) from [<c0873928>] (refcount_warn_saturate+0x6c/0x174)

 3836 07:27:43.815725  [   90.925950]  r9:c1acd314 r8:c15e8cf8 r7:c5c5ff60 r6:00000016 r5:00000000 r4:c5c5e000

 3837 07:27:43.816085  [   90.933710] [<c08738bc>] (refcount_warn_saturate) from [<c138bf90>] (__refcount_dec.constprop.0+0x38/0x3c)

 3838 07:27:43.816414  [   90.943381] [<c138bf58>] (__refcount_dec.constprop.0) from [<c138c380>] (lkdtm_REFCOUNT_DEC_NEGATIVE+0x48/0x70)

 3839 07:27:43.816726  [   90.953483] [<c138c338>] (lkdtm_REFCOUNT_DEC_NEGATIVE) from [<c0c54374>] (lkdtm_do_action+0x2c/0x4c)

 3840 07:27:43.859207  [   90.962624]  r5:c5e44000 r4:00000030

 3841 07:27:43.859738  [   90.966213] [<c0c54348>] (lkdtm_do_action) from [<c0c54874>] (direct_entry+0x120/0x18c)

 3842 07:27:43.860100  [   90.974235] [<c0c54754>] (direct_entry) from [<c07e03d4>] (full_proxy_write+0x64/0x94)

 3843 07:27:43.860428  [   90.982164]  r9:c5c5ff60 r8:c3082240 r7:00000016 r6:b6dc1000 r5:c5dda3c0 r4:c0c54754

 3844 07:27:43.860743  [   90.989924] [<c07e0370>] (full_proxy_write) from [<c059ac40>] (vfs_write+0x10c/0x53c)

 3845 07:27:43.861051  [   90.997766]  r9:c07e0370 r8:c5c5ff60 r7:c2815800 r6:b6dc1000 r5:c5dda3c0 r4:00000000

 3846 07:27:43.903174  [   91.005521] [<c059ab34>] (vfs_write) from [<c059b1ec>] (ksys_write+0x74/0xec)

 3847 07:27:43.903710  [   91.012669]  r10:00000004 r9:00000000 r8:00000000 r7:b6dc1000 r6:c5c5e000 r5:c5dda3c0

 3848 07:27:43.904071  [   91.020505]  r4:c5dda3c0

 3849 07:27:43.904396  [   91.023053] [<c059b178>] (ksys_write) from [<c059b27c>] (sys_write+0x18/0x1c)

 3850 07:27:43.904713  [   91.030201]  r9:c5c5e000 r8:c03002e4 r7:00000004 r6:b6f08e00 r5:00000016 r4:00000016

 3851 07:27:43.905021  [   91.037958] [<c059b264>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 3852 07:27:43.905322  [   91.045535] Exception stack(0xc5c5ffa8 to 0xc5c5fff0)

 3853 07:27:43.946662  [   91.050599] ffa0:                   00000016 00000016 00000001 b6dc1000 00000016 00000000

 3854 07:27:43.946774  [   91.058788] ffc0: 00000016 00000016 b6f08e00 00000004 00000001 00000000 00020000 bee37ac4

 3855 07:27:43.946895  [   91.066975] ffe0: 00000004 bee377f8 b6e72d8f b6df97e6

 3856 07:27:43.946972  [   91.072120] irq event stamp: 0

 3857 07:27:43.947032  [   91.075197] hardirqs last  enabled at (0): [<00000000>] 0x0

 3858 07:27:43.947118  [   91.080824] hardirqs last disabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 3859 07:27:43.990995  [   91.088388] softirqs last  enabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 3860 07:27:43.991178  [   91.095894] softirqs last disabled at (0): [<00000000>] 0x0

 3861 07:27:43.991272  [   91.101540] ---[ end trace eec2cb921daffbd1 ]---

 3862 07:27:43.991359  [   91.106184] lkdtm: Negative detected: saturated

 3863 07:27:44.124113  # [   90.792138] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE

 3864 07:27:44.124621  # [   90.798295] lkdtm: attempting bad refcount_dec() below zero

 3865 07:27:44.124947  # [   90.803905] ------------[ cut here ]------------

 3866 07:27:44.125249  # [   90.808628] WARNING: CPU: 1 PID: 2752 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174

 3867 07:27:44.125543  # [   90.817160] refcount_t: decrement hit 0; leaking memory.

 3868 07:27:44.166859  # [   90.822487] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3

 3869 07:27:44.167067  # [   90.851726] CPU: 1 PID: 2752 Comm: cat Tainted: G      D W         5.10.180-cip33 #1

 3870 07:27:44.167179  # [   90.859479] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 3871 07:27:44.167280  # [   90.866013] Backtrace: 

 3872 07:27:44.167376  # [   90.868491] [<c137df4c>] (dump_backtrace) from [<c137e30c>] (show_stack+0x20/0x24)

 3873 07:27:44.210981  # [   90.876075]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8

 3874 07:27:44.211454  # [   90.881753] [<c137e2ec>] (show_stack) from [<c1385568>] (dump_stack+0xe0/0x100)

 3875 07:27:44.211768  # [   90.889081] [<c1385488>] (dump_stack) from [<c0356820>] (__warn+0x98/0x14c)

 3876 07:27:44.212049  # [   90.896055]  r9:00000009 r8:c0873928 r7:0000001f r6:00000009 r5:c0873928 r4:c1a212e0

 3877 07:27:44.212317  # [   90.903813] [<c0356788>] (__warn) from [<c137f448>] (warn_slowpath_fmt+0x8c/0xa8)

 3878 07:27:44.212581  # [   90.911304]  r7:0000001f r6:c1a212e0 r5:c1a21344 r4:c5c5e000

 3879 07:27:44.255046  # [   90.916979] [<c137f3c0>] (warn_slowpath_fmt) from [<c0873928>] (refcount_warn_saturate+0x6c/0x174)

 3880 07:27:44.255553  # [   90.925950]  r9:c1acd314 r8:c15e8cf8 r7:c5c5ff60 r6:00000016 r5:00000000 r4:c5c5e000

 3881 07:27:44.255888  # [   90.933710] [<c08738bc>] (refcount_warn_saturate) from [<c138bf90>] (__refcount_dec.constprop.0+0x38/0x3c)

 3882 07:27:44.256190  # [   90.943381] [<c138bf58>] (__refcount_dec.constprop.0) from [<c138c380>] (lkdtm_REFCOUNT_DEC_NEGATIVE+0x48/0x70)

 3883 07:27:44.256482  # [   90.953483] [<c138c338>] (lkdtm_REFCOUNT_DEC_NEGATIVE) from [<c0c54374>] (lkdtm_do_action+0x2c/0x4c)

 3884 07:27:44.298962  # [   90.962624]  r5:c5e44000 r4:00000030

 3885 07:27:44.299472  # [   90.966213] [<c0c54348>] (lkdtm_do_action) from [<c0c54874>] (direct_entry+0x120/0x18c)

 3886 07:27:44.299802  # [   90.974235] [<c0c54754>] (direct_entry) from [<c07e03d4>] (full_proxy_write+0x64/0x94)

 3887 07:27:44.300106  # [   90.982164]  r9:c5c5ff60 r8:c3082240 r7:00000016 r6:b6dc1000 r5:c5dda3c0 r4:c0c54754

 3888 07:27:44.300398  # [   90.989924] [<c07e0370>] (full_proxy_write) from [<c059ac40>] (vfs_write+0x10c/0x53c)

 3889 07:27:44.300683  # [   90.997766]  r9:c07e0370 r8:c5c5ff60 r7:c2815800 r6:b6dc1000 r5:c5dda3c0 r4:00000000

 3890 07:27:44.342994  # [   91.005521] [<c059ab34>] (vfs_write) from [<c059b1ec>] (ksys_write+0x74/0xec)

 3891 07:27:44.343500  # [   91.012669]  r10:00000004 r9:00000000 r8:00000000 r7:b6dc1000 r6:c5c5e000 r5:c5dda3c0

 3892 07:27:44.343824  # [   91.020505]  r4:c5dda3c0

 3893 07:27:44.344121  # [   91.023053] [<c059b178>] (ksys_write) from [<c059b27c>] (sys_write+0x18/0x1c)

 3894 07:27:44.344411  # [   91.030201]  r9:c5c5e000 r8:c03002e4 r7:00000004 r6:b6f08e00 r5:00000016 r4:00000016

 3895 07:27:44.344691  # [   91.037958] [<c059b264>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 3896 07:27:44.386892  # [   91.045535] Exception stack(0xc5c5ffa8 to 0xc5c5fff0)

 3897 07:27:44.387405  # [   91.050599] ffa0:                   00000016 00000016 00000001 b6dc1000 00000016 00000000

 3898 07:27:44.387738  # [   91.058788] ffc0: 00000016 00000016 b6f08e00 00000004 00000001 00000000 00020000 bee37ac4

 3899 07:27:44.388041  # [   91.066975] ffe0: 00000004 bee377f8 b6e72d8f b6df97e6

 3900 07:27:44.388332  # [   91.072120] irq event stamp: 0

 3901 07:27:44.388612  # [   91.075197] hardirqs last  enabled at (0): [<00000000>] 0x0

 3902 07:27:44.388890  # [   91.080824] hardirqs last disabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 3903 07:27:44.431070  # [   91.088388] softirqs last  enabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 3904 07:27:44.431572  # [   91.095894] softirqs last disabled at (0): [<00000000>] 0x0

 3905 07:27:44.431904  # [   91.101540] ---[ end trace eec2cb921daffbd1 ]---

 3906 07:27:44.432207  # [   91.106184] lkdtm: Negative detected: saturated

 3907 07:27:44.432497  # REFCOUNT_DEC_NEGATIVE: saw 'Negative detected: saturated': ok

 3908 07:27:44.432782  ok 47 selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh

 3909 07:27:44.433060  # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh

 3910 07:27:44.553804  [   91.660888] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE

 3911 07:27:44.554058  [   91.667804] lkdtm: attempting bad refcount_dec_and_test() below zero

 3912 07:27:44.554210  [   91.674194] ------------[ cut here ]------------

 3913 07:27:44.554347  [   91.678924] WARNING: CPU: 1 PID: 2787 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174

 3914 07:27:44.554481  [   91.687505] refcount_t: underflow; use-after-free.

 3915 07:27:44.597361  [   91.692311] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3

 3916 07:27:44.597915  [   91.721569] CPU: 1 PID: 2787 Comm: cat Tainted: G      D W         5.10.180-cip33 #1

 3917 07:27:44.598242  [   91.729325] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 3918 07:27:44.598570  [   91.735859] Backtrace: 

 3919 07:27:44.598898  [   91.738337] [<c137df4c>] (dump_backtrace) from [<c137e30c>] (show_stack+0x20/0x24)

 3920 07:27:44.640619  [   91.745919]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8

 3921 07:27:44.641153  [   91.751595] [<c137e2ec>] (show_stack) from [<c1385568>] (dump_stack+0xe0/0x100)

 3922 07:27:44.641507  [   91.758924] [<c1385488>] (dump_stack) from [<c0356820>] (__warn+0x98/0x14c)

 3923 07:27:44.641834  [   91.765898]  r9:00000009 r8:c08739f8 r7:0000001c r6:00000009 r5:c08739f8 r4:c1a212e0

 3924 07:27:44.642148  [   91.773656] [<c0356788>] (__warn) from [<c137f448>] (warn_slowpath_fmt+0x8c/0xa8)

 3925 07:27:44.642454  [   91.781150]  r7:0000001c r6:c1a212e0 r5:c1a2131c r4:c68ce000

 3926 07:27:44.683577  [   91.786825] [<c137f3c0>] (warn_slowpath_fmt) from [<c08739f8>] (refcount_warn_saturate+0x13c/0x174)

 3927 07:27:44.684082  [   91.795883]  r9:c1acd32c r8:c15e8cf8 r7:c68cff60 r6:0000001f r5:00000000 r4:c68ce000

 3928 07:27:44.684408  [   91.803643] [<c08738bc>] (refcount_warn_saturate) from [<c0c55470>] (__refcount_sub_and_test.constprop.0+0x64/0x6c)

 3929 07:27:44.684714  [   91.814100] [<c0c5540c>] (__refcount_sub_and_test.constprop.0) from [<c138c3f8>] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x50/0x8c)

 3930 07:27:44.685032  [   91.825767] [<c138c3a8>] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE) from [<c0c54374>] (lkdtm_do_action+0x2c/0x4c)

 3931 07:27:44.727145  [   91.835687]  r5:c6c26000 r4:00000031

 3932 07:27:44.727678  [   91.839274] [<c0c54348>] (lkdtm_do_action) from [<c0c54874>] (direct_entry+0x120/0x18c)

 3933 07:27:44.728032  [   91.847294] [<c0c54754>] (direct_entry) from [<c07e03d4>] (full_proxy_write+0x64/0x94)

 3934 07:27:44.728361  [   91.855223]  r9:c68cff60 r8:c3082240 r7:0000001f r6:b6e64000 r5:c5e9d900 r4:c0c54754

 3935 07:27:44.728676  [   91.862985] [<c07e0370>] (full_proxy_write) from [<c059ac40>] (vfs_write+0x10c/0x53c)

 3936 07:27:44.728984  [   91.870827]  r9:c07e0370 r8:c68cff60 r7:c2815800 r6:b6e64000 r5:c5e9d900 r4:00000000

 3937 07:27:44.771047  [   91.878583] [<c059ab34>] (vfs_write) from [<c059b1ec>] (ksys_write+0x74/0xec)

 3938 07:27:44.771585  [   91.885731]  r10:00000004 r9:00000000 r8:00000000 r7:b6e64000 r6:c68ce000 r5:c5e9d900

 3939 07:27:44.771951  [   91.893567]  r4:c5e9d900

 3940 07:27:44.772279  [   91.896116] [<c059b178>] (ksys_write) from [<c059b27c>] (sys_write+0x18/0x1c)

 3941 07:27:44.772592  [   91.903264]  r9:c68ce000 r8:c03002e4 r7:00000004 r6:b6fabe00 r5:0000001f r4:0000001f

 3942 07:27:44.772899  [   91.911022] [<c059b264>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 3943 07:27:44.814950  [   91.918599] Exception stack(0xc68cffa8 to 0xc68cfff0)

 3944 07:27:44.815503  [   91.923663] ffa0:                   0000001f 0000001f 00000001 b6e64000 0000001f 00000000

 3945 07:27:44.815866  [   91.931852] ffc0: 0000001f 0000001f b6fabe00 00000004 00000001 00000000 00020000 bed35ac4

 3946 07:27:44.816192  [   91.940039] ffe0: 00000004 bed357f8 b6f15d8f b6e9c7e6

 3947 07:27:44.816508  [   91.945169] irq event stamp: 0

 3948 07:27:44.816813  [   91.948277] hardirqs last  enabled at (0): [<00000000>] 0x0

 3949 07:27:44.817110  [   91.953874] hardirqs last disabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 3950 07:27:44.858975  [   91.961426] softirqs last  enabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 3951 07:27:44.859346  [   91.968978] softirqs last disabled at (0): [<00000000>] 0x0

 3952 07:27:44.859643  [   91.974571] ---[ end trace eec2cb921daffbd2 ]---

 3953 07:27:44.859918  [   91.979239] lkdtm: Negative detected: saturated

 3954 07:27:45.000113  # [   91.660888] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE

 3955 07:27:45.000615  # [   91.667804] lkdtm: attempting bad refcount_dec_and_test() below zero

 3956 07:27:45.000965  # [   91.674194] ------------[ cut here ]------------

 3957 07:27:45.001298  # [   91.678924] WARNING: CPU: 1 PID: 2787 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174

 3958 07:27:45.001614  # [   91.687505] refcount_t: underflow; use-after-free.

 3959 07:27:45.043313  # [   91.692311] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3

 3960 07:27:45.043865  # [   91.721569] CPU: 1 PID: 2787 Comm: cat Tainted: G      D W         5.10.180-cip33 #1

 3961 07:27:45.044221  # [   91.729325] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 3962 07:27:45.044551  # [   91.735859] Backtrace: 

 3963 07:27:45.044865  # [   91.738337] [<c137df4c>] (dump_backtrace) from [<c137e30c>] (show_stack+0x20/0x24)

 3964 07:27:45.091210  # [   91.745919]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8

 3965 07:27:45.091746  # [   91.751595] [<c137e2ec>] (show_stack) from [<c1385568>] (dump_stack+0xe0/0x100)

 3966 07:27:45.092105  # [   91.758924] [<c1385488>] (dump_stack) from [<c0356820>] (__warn+0x98/0x14c)

 3967 07:27:45.092435  # [   91.765898]  r9:00000009 r8:c08739f8 r7:0000001c r6:00000009 r5:c08739f8 r4:c1a212e0

 3968 07:27:45.092746  # [   91.773656] [<c0356788>] (__warn) from [<c137f448>] (warn_slowpath_fmt+0x8c/0xa8)

 3969 07:27:45.093053  # [   91.781150]  r7:0000001c r6:c1a212e0 r5:c1a2131c r4:c68ce000

 3970 07:27:45.134983  # [   91.786825] [<c137f3c0>] (warn_slowpath_fmt) from [<c08739f8>] (refcount_warn_saturate+0x13c/0x174)

 3971 07:27:45.135482  # [   91.795883]  r9:c1acd32c r8:c15e8cf8 r7:c68cff60 r6:0000001f r5:00000000 r4:c68ce000

 3972 07:27:45.135807  # [   91.803643] [<c08738bc>] (refcount_warn_saturate) from [<c0c55470>] (__refcount_sub_and_test.constprop.0+0x64/0x6c)

 3973 07:27:45.136114  # [   91.814100] [<c0c5540c>] (__refcount_sub_and_test.constprop.0) from [<c138c3f8>] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x50/0x8c)

 3974 07:27:45.179155  # [   91.825767] [<c138c3a8>] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE) from [<c0c54374>] (lkdtm_do_action+0x2c/0x4c)

 3975 07:27:45.179642  # [   91.835687]  r5:c6c26000 r4:00000031

 3976 07:27:45.179994  # [   91.839274] [<c0c54348>] (lkdtm_do_action) from [<c0c54874>] (direct_entry+0x120/0x18c)

 3977 07:27:45.180299  # [   91.847294] [<c0c54754>] (direct_entry) from [<c07e03d4>] (full_proxy_write+0x64/0x94)

 3978 07:27:45.180588  # [   91.855223]  r9:c68cff60 r8:c3082240 r7:0000001f r6:b6e64000 r5:c5e9d900 r4:c0c54754

 3979 07:27:45.180870  # [   91.862985] [<c07e0370>] (full_proxy_write) from [<c059ac40>] (vfs_write+0x10c/0x53c)

 3980 07:27:45.222959  # [   91.870827]  r9:c07e0370 r8:c68cff60 r7:c2815800 r6:b6e64000 r5:c5e9d900 r4:00000000

 3981 07:27:45.223460  # [   91.878583] [<c059ab34>] (vfs_write) from [<c059b1ec>] (ksys_write+0x74/0xec)

 3982 07:27:45.223788  # [   91.885731]  r10:00000004 r9:00000000 r8:00000000 r7:b6e64000 r6:c68ce000 r5:c5e9d900

 3983 07:27:45.224092  # [   91.893567]  r4:c5e9d900

 3984 07:27:45.224381  # [   91.896116] [<c059b178>] (ksys_write) from [<c059b27c>] (sys_write+0x18/0x1c)

 3985 07:27:45.224666  # [   91.903264]  r9:c68ce000 r8:c03002e4 r7:00000004 r6:b6fabe00 r5:0000001f r4:0000001f

 3986 07:27:45.266923  # [   91.911022] [<c059b264>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 3987 07:27:45.267433  # [   91.918599] Exception stack(0xc68cffa8 to 0xc68cfff0)

 3988 07:27:45.267778  # [   91.923663] ffa0:                   0000001f 0000001f 00000001 b6e64000 0000001f 00000000

 3989 07:27:45.268082  # [   91.931852] ffc0: 0000001f 0000001f b6fabe00 00000004 00000001 00000000 00020000 bed35ac4

 3990 07:27:45.268372  # [   91.940039] ffe0: 00000004 bed357f8 b6f15d8f b6e9c7e6

 3991 07:27:45.268654  # [   91.945169] irq event stamp: 0

 3992 07:27:45.268931  # [   91.948277] hardirqs last  enabled at (0): [<00000000>] 0x0

 3993 07:27:45.311094  # [   91.953874] hardirqs last disabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 3994 07:27:45.311603  # [   91.961426] softirqs last  enabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 3995 07:27:45.311942  # [   91.968978] softirqs last disabled at (0): [<00000000>] 0x0

 3996 07:27:45.312247  # [   91.974571] ---[ end trace eec2cb921daffbd2 ]---

 3997 07:27:45.312538  # [   91.979239] lkdtm: Negative detected: saturated

 3998 07:27:45.312823  # REFCOUNT_DEC_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok

 3999 07:27:45.313101  ok 48 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh

 4000 07:27:45.313377  # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh

 4001 07:27:45.440593  [   92.545084] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE

 4002 07:27:45.440848  [   92.552015] lkdtm: attempting bad refcount_sub_and_test() below zero

 4003 07:27:45.441000  [   92.558455] ------------[ cut here ]------------

 4004 07:27:45.441140  [   92.563107] WARNING: CPU: 1 PID: 2822 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174

 4005 07:27:45.441274  [   92.571705] refcount_t: underflow; use-after-free.

 4006 07:27:45.483835  [   92.576511] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3

 4007 07:27:45.484230  [   92.605743] CPU: 1 PID: 2822 Comm: cat Tainted: G      D W         5.10.180-cip33 #1

 4008 07:27:45.484479  [   92.613497] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 4009 07:27:45.484699  [   92.620031] Backtrace: 

 4010 07:27:45.484906  [   92.622509] [<c137df4c>] (dump_backtrace) from [<c137e30c>] (show_stack+0x20/0x24)

 4011 07:27:45.485113  [   92.630089]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8

 4012 07:27:45.527392  [   92.635767] [<c137e2ec>] (show_stack) from [<c1385568>] (dump_stack+0xe0/0x100)

 4013 07:27:45.527894  [   92.643097] [<c1385488>] (dump_stack) from [<c0356820>] (__warn+0x98/0x14c)

 4014 07:27:45.528222  [   92.650071]  r9:00000009 r8:c08739f8 r7:0000001c r6:00000009 r5:c08739f8 r4:c1a212e0

 4015 07:27:45.528523  [   92.657827] [<c0356788>] (__warn) from [<c137f448>] (warn_slowpath_fmt+0x8c/0xa8)

 4016 07:27:45.528808  [   92.665319]  r7:0000001c r6:c1a212e0 r5:c1a2131c r4:c68ce000

 4017 07:27:45.529091  [   92.670993] [<c137f3c0>] (warn_slowpath_fmt) from [<c08739f8>] (refcount_warn_saturate+0x13c/0x174)

 4018 07:27:45.571033  [   92.680049]  r9:c1acd34c r8:c15e8cf8 r7:c68cff60 r6:0000001f r5:c6c26000 r4:c68ce000

 4019 07:27:45.571532  [   92.687811] [<c08738bc>] (refcount_warn_saturate) from [<c0c55470>] (__refcount_sub_and_test.constprop.0+0x64/0x6c)

 4020 07:27:45.571872  [   92.698267] [<c0c5540c>] (__refcount_sub_and_test.constprop.0) from [<c138c484>] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x50/0x8c)

 4021 07:27:45.572176  [   92.709932] [<c138c434>] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE) from [<c0c54374>] (lkdtm_do_action+0x2c/0x4c)

 4022 07:27:45.572468  [   92.719852]  r4:00000032

 4023 07:27:45.615008  [   92.722398] [<c0c54348>] (lkdtm_do_action) from [<c0c54874>] (direct_entry+0x120/0x18c)

 4024 07:27:45.615548  [   92.730420] [<c0c54754>] (direct_entry) from [<c07e03d4>] (full_proxy_write+0x64/0x94)

 4025 07:27:45.615881  [   92.738350]  r9:c68cff60 r8:c3082240 r7:0000001f r6:b6e2d000 r5:c5ddaf00 r4:c0c54754

 4026 07:27:45.616183  [   92.746110] [<c07e0370>] (full_proxy_write) from [<c059ac40>] (vfs_write+0x10c/0x53c)

 4027 07:27:45.616500  [   92.753951]  r9:c07e0370 r8:c68cff60 r7:c2815800 r6:b6e2d000 r5:c5ddaf00 r4:00000000

 4028 07:27:45.659189  [   92.761707] [<c059ab34>] (vfs_write) from [<c059b1ec>] (ksys_write+0x74/0xec)

 4029 07:27:45.659728  [   92.768854]  r10:00000004 r9:00000000 r8:00000000 r7:b6e2d000 r6:c68ce000 r5:c5ddaf00

 4030 07:27:45.660088  [   92.776691]  r4:c5ddaf00

 4031 07:27:45.660414  [   92.779239] [<c059b178>] (ksys_write) from [<c059b27c>] (sys_write+0x18/0x1c)

 4032 07:27:45.660728  [   92.786387]  r9:c68ce000 r8:c03002e4 r7:00000004 r6:b6f74e00 r5:0000001f r4:0000001f

 4033 07:27:45.661035  [   92.794148] [<c059b264>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 4034 07:27:45.661337  [   92.801725] Exception stack(0xc68cffa8 to 0xc68cfff0)

 4035 07:27:45.702712  [   92.806789] ffa0:                   0000001f 0000001f 00000001 b6e2d000 0000001f 00000000

 4036 07:27:45.702898  [   92.814978] ffc0: 0000001f 0000001f b6f74e00 00000004 00000001 00000000 00020000 bea75ac4

 4037 07:27:45.702979  [   92.823163] ffe0: 00000004 bea757f8 b6eded8f b6e657e6

 4038 07:27:45.703055  [   92.828310] irq event stamp: 0

 4039 07:27:45.703115  [   92.831389] hardirqs last  enabled at (0): [<00000000>] 0x0

 4040 07:27:45.703209  [   92.836982] hardirqs last disabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 4041 07:27:45.703302  [   92.844537] softirqs last  enabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 4042 07:27:45.747218  [   92.852100] softirqs last disabled at (0): [<00000000>] 0x0

 4043 07:27:45.747692  [   92.857729] ---[ end trace eec2cb921daffbd3 ]---

 4044 07:27:45.748026  [   92.862370] lkdtm: Negative detected: saturated

 4045 07:27:45.882243  # [   92.545084] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE

 4046 07:27:45.882785  # [   92.552015] lkdtm: attempting bad refcount_sub_and_test() below zero

 4047 07:27:45.883115  # [   92.558455] ------------[ cut here ]------------

 4048 07:27:45.883418  # [   92.563107] WARNING: CPU: 1 PID: 2822 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174

 4049 07:27:45.883710  # [   92.571705] refcount_t: underflow; use-after-free.

 4050 07:27:45.925297  # [   92.576511] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3

 4051 07:27:45.925812  # [   92.605743] CPU: 1 PID: 2822 Comm: cat Tainted: G      D W         5.10.180-cip33 #1

 4052 07:27:45.926141  # [   92.613497] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 4053 07:27:45.926442  # [   92.620031] Backtrace: 

 4054 07:27:45.926775  # [   92.622509] [<c137df4c>] (dump_backtrace) from [<c137e30c>] (show_stack+0x20/0x24)

 4055 07:27:45.968330  # [   92.630089]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8

 4056 07:27:45.968864  # [   92.635767] [<c137e2ec>] (show_stack) from [<c1385568>] (dump_stack+0xe0/0x100)

 4057 07:27:45.969218  # [   92.643097] [<c1385488>] (dump_stack) from [<c0356820>] (__warn+0x98/0x14c)

 4058 07:27:45.969544  # [   92.650071]  r9:00000009 r8:c08739f8 r7:0000001c r6:00000009 r5:c08739f8 r4:c1a212e0

 4059 07:27:45.969855  # [   92.657827] [<c0356788>] (__warn) from [<c137f448>] (warn_slowpath_fmt+0x8c/0xa8)

 4060 07:27:45.970163  # [   92.665319]  r7:0000001c r6:c1a212e0 r5:c1a2131c r4:c68ce000

 4061 07:27:46.011113  # [   92.670993] [<c137f3c0>] (warn_slowpath_fmt) from [<c08739f8>] (refcount_warn_saturate+0x13c/0x174)

 4062 07:27:46.011617  # [   92.680049]  r9:c1acd34c r8:c15e8cf8 r7:c68cff60 r6:0000001f r5:c6c26000 r4:c68ce000

 4063 07:27:46.011945  # [   92.687811] [<c08738bc>] (refcount_warn_saturate) from [<c0c55470>] (__refcount_sub_and_test.constprop.0+0x64/0x6c)

 4064 07:27:46.012252  # [   92.698267] [<c0c5540c>] (__refcount_sub_and_test.constprop.0) from [<c138c484>] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x50/0x8c)

 4065 07:27:46.055028  # [   92.709932] [<c138c434>] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE) from [<c0c54374>] (lkdtm_do_action+0x2c/0x4c)

 4066 07:27:46.055525  # [   92.719852]  r4:00000032

 4067 07:27:46.055846  # [   92.722398] [<c0c54348>] (lkdtm_do_action) from [<c0c54874>] (direct_entry+0x120/0x18c)

 4068 07:27:46.056148  # [   92.730420] [<c0c54754>] (direct_entry) from [<c07e03d4>] (full_proxy_write+0x64/0x94)

 4069 07:27:46.056433  # [   92.738350]  r9:c68cff60 r8:c3082240 r7:0000001f r6:b6e2d000 r5:c5ddaf00 r4:c0c54754

 4070 07:27:46.056717  # [   92.746110] [<c07e0370>] (full_proxy_write) from [<c059ac40>] (vfs_write+0x10c/0x53c)

 4071 07:27:46.099026  # [   92.753951]  r9:c07e0370 r8:c68cff60 r7:c2815800 r6:b6e2d000 r5:c5ddaf00 r4:00000000

 4072 07:27:46.099530  # [   92.761707] [<c059ab34>] (vfs_write) from [<c059b1ec>] (ksys_write+0x74/0xec)

 4073 07:27:46.099876  # [   92.768854]  r10:00000004 r9:00000000 r8:00000000 r7:b6e2d000 r6:c68ce000 r5:c5ddaf00

 4074 07:27:46.100182  # [   92.776691]  r4:c5ddaf00

 4075 07:27:46.100472  # [   92.779239] [<c059b178>] (ksys_write) from [<c059b27c>] (sys_write+0x18/0x1c)

 4076 07:27:46.100757  # [   92.786387]  r9:c68ce000 r8:c03002e4 r7:00000004 r6:b6f74e00 r5:0000001f r4:0000001f

 4077 07:27:46.143223  # [   92.794148] [<c059b264>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 4078 07:27:46.143726  # [   92.801725] Exception stack(0xc68cffa8 to 0xc68cfff0)

 4079 07:27:46.144059  # [   92.806789] ffa0:                   0000001f 0000001f 00000001 b6e2d000 0000001f 00000000

 4080 07:27:46.144364  # [   92.814978] ffc0: 0000001f 0000001f b6f74e00 00000004 00000001 00000000 00020000 bea75ac4

 4081 07:27:46.144657  # [   92.823163] ffe0: 00000004 bea757f8 b6eded8f b6e657e6

 4082 07:27:46.144944  # [   92.828310] irq event stamp: 0

 4083 07:27:46.145219  # [   92.831389] hardirqs last  enabled at (0): [<00000000>] 0x0

 4084 07:27:46.194304  # [   92.836982] hardirqs last disabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 4085 07:27:46.194830  # [   92.844537] softirqs last  enabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 4086 07:27:46.195157  # [   92.852100] softirqs last disabled at (0): [<00000000>] 0x0

 4087 07:27:46.195456  # [   92.857729] ---[ end trace eec2cb921daffbd3 ]---

 4088 07:27:46.195743  # [   92.862370] lkdtm: Negative detected: saturated

 4089 07:27:46.196023  # REFCOUNT_SUB_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok

 4090 07:27:46.196300  ok 49 selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh

 4091 07:27:46.196576  # selftests: lkdtm: REFCOUNT_INC_ZERO.sh

 4092 07:27:46.302161  [   93.408649] lkdtm: Performing direct entry REFCOUNT_INC_ZERO

 4093 07:27:46.302682  [   93.414359] lkdtm: attempting safe refcount_inc_not_zero() from zero

 4094 07:27:46.303010  [   93.420915] lkdtm: Good: zero detected

 4095 07:27:46.303308  [   93.424700] lkdtm: Correctly stayed at zero

 4096 07:27:46.303593  [   93.428957] lkdtm: attempting bad refcount_inc() from zero

 4097 07:27:46.303871  [   93.434460] ------------[ cut here ]------------

 4098 07:27:46.304148  [   93.439163] WARNING: CPU: 0 PID: 2854 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174

 4099 07:27:46.304424  [   93.447833] refcount_t: addition on 0; use-after-free.

 4100 07:27:46.345394  [   93.452986] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3

 4101 07:27:46.345912  [   93.482213] CPU: 0 PID: 2854 Comm: cat Tainted: G      D W         5.10.180-cip33 #1

 4102 07:27:46.346244  [   93.489967] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 4103 07:27:46.388648  [   93.496503] Backtrace: 

 4104 07:27:46.389147  [   93.498981] [<c137df4c>] (dump_backtrace) from [<c137e30c>] (show_stack+0x20/0x24)

 4105 07:27:46.389477  [   93.506563]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8

 4106 07:27:46.389778  [   93.512240] [<c137e2ec>] (show_stack) from [<c1385568>] (dump_stack+0xe0/0x100)

 4107 07:27:46.390070  [   93.519568] [<c1385488>] (dump_stack) from [<c0356820>] (__warn+0x98/0x14c)

 4108 07:27:46.390355  [   93.526543]  r9:00000009 r8:c08739c4 r7:00000019 r6:00000009 r5:c08739c4 r4:c1a212e0

 4109 07:27:46.431474  [   93.534300] [<c0356788>] (__warn) from [<c137f448>] (warn_slowpath_fmt+0x8c/0xa8)

 4110 07:27:46.431978  [   93.541792]  r7:00000019 r6:c1a212e0 r5:c1a212f0 r4:c5c02000

 4111 07:27:46.432303  [   93.547465] [<c137f3c0>] (warn_slowpath_fmt) from [<c08739c4>] (refcount_warn_saturate+0x108/0x174)

 4112 07:27:46.432610  [   93.556523]  r9:c1acd36c r8:c15e8cf8 r7:c5c03f60 r6:00000012 r5:00000000 r4:c5c02000

 4113 07:27:46.432902  [   93.564284] [<c08738bc>] (refcount_warn_saturate) from [<c0c55408>] (__refcount_add.constprop.0+0x54/0x58)

 4114 07:27:46.433190  [   93.573957] [<c0c553b4>] (__refcount_add.constprop.0) from [<c138c568>] (lkdtm_REFCOUNT_INC_ZERO+0xa8/0xcc)

 4115 07:27:46.475135  [   93.583712] [<c138c4c0>] (lkdtm_REFCOUNT_INC_ZERO) from [<c0c54374>] (lkdtm_do_action+0x2c/0x4c)

 4116 07:27:46.475670  [   93.592503]  r5:c6bb3000 r4:00000033

 4117 07:27:46.476022  [   93.596092] [<c0c54348>] (lkdtm_do_action) from [<c0c54874>] (direct_entry+0x120/0x18c)

 4118 07:27:46.476351  [   93.604113] [<c0c54754>] (direct_entry) from [<c07e03d4>] (full_proxy_write+0x64/0x94)

 4119 07:27:46.476663  [   93.612041]  r9:c5c03f60 r8:c3082240 r7:00000012 r6:b6dcf000 r5:c5aec280 r4:c0c54754

 4120 07:27:46.476972  [   93.619803] [<c07e0370>] (full_proxy_write) from [<c059ac40>] (vfs_write+0x10c/0x53c)

 4121 07:27:46.519052  [   93.627645]  r9:c07e0370 r8:c5c03f60 r7:c2815800 r6:b6dcf000 r5:c5aec280 r4:00000000

 4122 07:27:46.519587  [   93.635401] [<c059ab34>] (vfs_write) from [<c059b1ec>] (ksys_write+0x74/0xec)

 4123 07:27:46.519953  [   93.642550]  r10:00000004 r9:00000000 r8:00000000 r7:b6dcf000 r6:c5c02000 r5:c5aec280

 4124 07:27:46.520283  [   93.650386]  r4:c5aec280

 4125 07:27:46.520596  [   93.652933] [<c059b178>] (ksys_write) from [<c059b27c>] (sys_write+0x18/0x1c)

 4126 07:27:46.520904  [   93.660080]  r9:c5c02000 r8:c03002e4 r7:00000004 r6:b6f16e00 r5:00000012 r4:00000012

 4127 07:27:46.563031  [   93.667837] [<c059b264>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 4128 07:27:46.563562  [   93.675414] Exception stack(0xc5c03fa8 to 0xc5c03ff0)

 4129 07:27:46.563930  [   93.680478] 3fa0:                   00000012 00000012 00000001 b6dcf000 00000012 00000000

 4130 07:27:46.564264  [   93.688668] 3fc0: 00000012 00000012 b6f16e00 00000004 00000001 00000000 00020000 bed91ac4

 4131 07:27:46.564578  [   93.696854] 3fe0: 00000004 bed917f8 b6e80d8f b6e077e6

 4132 07:27:46.564885  [   93.702010] irq event stamp: 0

 4133 07:27:46.565184  [   93.705089] hardirqs last  enabled at (0): [<00000000>] 0x0

 4134 07:27:46.606981  [   93.710722] hardirqs last disabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 4135 07:27:46.607476  [   93.718526] softirqs last  enabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 4136 07:27:46.607796  [   93.726062] softirqs last disabled at (0): [<00000000>] 0x0

 4137 07:27:46.608097  [   93.731701] ---[ end trace eec2cb921daffbd4 ]---

 4138 07:27:46.608391  [   93.736337] lkdtm: Zero detected: saturated

 4139 07:27:46.801851  # [   93.408649] lkdtm: Performing direct entry REFCOUNT_INC_ZERO

 4140 07:27:46.802387  # [   93.414359] lkdtm: attempting safe refcount_inc_not_zero() from zero

 4141 07:27:46.802777  # [   93.420915] lkdtm: Good: zero detected

 4142 07:27:46.803104  # [   93.424700] lkdtm: Correctly stayed at zero

 4143 07:27:46.803413  # [   93.428957] lkdtm: attempting bad refcount_inc() from zero

 4144 07:27:46.803717  # [   93.434460] ------------[ cut here ]------------

 4145 07:27:46.804011  # [   93.439163] WARNING: CPU: 0 PID: 2854 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174

 4146 07:27:46.804302  # [   93.447833] refcount_t: addition on 0; use-after-free.

 4147 07:27:46.844347  # [   93.452986] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3

 4148 07:27:46.844570  # [   93.482213] CPU: 0 PID: 2854 Comm: cat Tainted: G      D W         5.10.180-cip33 #1

 4149 07:27:46.844688  # [   93.489967] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 4150 07:27:46.887910  # [   93.496503] Backtrace: 

 4151 07:27:46.888393  # [   93.498981] [<c137df4c>] (dump_backtrace) from [<c137e30c>] (show_stack+0x20/0x24)

 4152 07:27:46.888711  # [   93.506563]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8

 4153 07:27:46.889002  # [   93.512240] [<c137e2ec>] (show_stack) from [<c1385568>] (dump_stack+0xe0/0x100)

 4154 07:27:46.889282  # [   93.519568] [<c1385488>] (dump_stack) from [<c0356820>] (__warn+0x98/0x14c)

 4155 07:27:46.889552  # [   93.526543]  r9:00000009 r8:c08739c4 r7:00000019 r6:00000009 r5:c08739c4 r4:c1a212e0

 4156 07:27:46.934998  # [   93.534300] [<c0356788>] (__warn) from [<c137f448>] (warn_slowpath_fmt+0x8c/0xa8)

 4157 07:27:46.935482  # [   93.541792]  r7:00000019 r6:c1a212e0 r5:c1a212f0 r4:c5c02000

 4158 07:27:46.935805  # [   93.547465] [<c137f3c0>] (warn_slowpath_fmt) from [<c08739c4>] (refcount_warn_saturate+0x108/0x174)

 4159 07:27:46.936107  # [   93.556523]  r9:c1acd36c r8:c15e8cf8 r7:c5c03f60 r6:00000012 r5:00000000 r4:c5c02000

 4160 07:27:46.936398  # [   93.564284] [<c08738bc>] (refcount_warn_saturate) from [<c0c55408>] (__refcount_add.constprop.0+0x54/0x58)

 4161 07:27:46.979049  # [   93.573957] [<c0c553b4>] (__refcount_add.constprop.0) from [<c138c568>] (lkdtm_REFCOUNT_INC_ZERO+0xa8/0xcc)

 4162 07:27:46.979554  # [   93.583712] [<c138c4c0>] (lkdtm_REFCOUNT_INC_ZERO) from [<c0c54374>] (lkdtm_do_action+0x2c/0x4c)

 4163 07:27:46.979891  # [   93.592503]  r5:c6bb3000 r4:00000033

 4164 07:27:46.980191  # [   93.596092] [<c0c54348>] (lkdtm_do_action) from [<c0c54874>] (direct_entry+0x120/0x18c)

 4165 07:27:46.980482  # [   93.604113] [<c0c54754>] (direct_entry) from [<c07e03d4>] (full_proxy_write+0x64/0x94)

 4166 07:27:46.980766  # [   93.612041]  r9:c5c03f60 r8:c3082240 r7:00000012 r6:b6dcf000 r5:c5aec280 r4:c0c54754

 4167 07:27:47.023039  # [   93.619803] [<c07e0370>] (full_proxy_write) from [<c059ac40>] (vfs_write+0x10c/0x53c)

 4168 07:27:47.023559  # [   93.627645]  r9:c07e0370 r8:c5c03f60 r7:c2815800 r6:b6dcf000 r5:c5aec280 r4:00000000

 4169 07:27:47.023904  # [   93.635401] [<c059ab34>] (vfs_write) from [<c059b1ec>] (ksys_write+0x74/0xec)

 4170 07:27:47.024257  # [   93.642550]  r10:00000004 r9:00000000 r8:00000000 r7:b6dcf000 r6:c5c02000 r5:c5aec280

 4171 07:27:47.024571  # [   93.650386]  r4:c5aec280

 4172 07:27:47.024877  # [   93.652933] [<c059b178>] (ksys_write) from [<c059b27c>] (sys_write+0x18/0x1c)

 4173 07:27:47.067198  # [   93.660080]  r9:c5c02000 r8:c03002e4 r7:00000004 r6:b6f16e00 r5:00000012 r4:00000012

 4174 07:27:47.067706  # [   93.667837] [<c059b264>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 4175 07:27:47.068039  # [   93.675414] Exception stack(0xc5c03fa8 to 0xc5c03ff0)

 4176 07:27:47.068341  # [   93.680478] 3fa0:                   00000012 00000012 00000001 b6dcf000 00000012 00000000

 4177 07:27:47.068632  # [   93.688668] 3fc0: 00000012 00000012 b6f16e00 00000004 00000001 00000000 00020000 bed91ac4

 4178 07:27:47.068916  # [   93.696854] 3fe0: 00000004 bed917f8 b6e80d8f b6e077e6

 4179 07:27:47.069190  # [   93.702010] irq event stamp: 0

 4180 07:27:47.111262  # [   93.705089] hardirqs last  enabled at (0): [<00000000>] 0x0

 4181 07:27:47.111803  # [   93.710722] hardirqs last disabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 4182 07:27:47.112164  # [   93.718526] softirqs last  enabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 4183 07:27:47.112494  # [   93.726062] softirqs last disabled at (0): [<00000000>] 0x0

 4184 07:27:47.112810  # [   93.731701] ---[ end trace eec2cb921daffbd4 ]---

 4185 07:27:47.113120  # [   93.736337] lkdtm: Zero detected: saturated

 4186 07:27:47.113423  # REFCOUNT_INC_ZERO: missing 'call trace:': [FAIL]

 4187 07:27:47.113723  not ok 50 selftests: lkdtm: REFCOUNT_INC_ZERO.sh # exit=1

 4188 07:27:47.155297  # selftests: lkdtm: REFCOUNT_ADD_ZERO.sh

 4189 07:27:47.233312  [   94.342854] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO

 4190 07:27:47.233808  [   94.348631] lkdtm: attempting safe refcount_add_not_zero() from zero

 4191 07:27:47.234131  [   94.355000] lkdtm: Good: zero detected

 4192 07:27:47.234429  [   94.358828] lkdtm: Correctly stayed at zero

 4193 07:27:47.234796  [   94.363027] lkdtm: attempting bad refcount_add() from zero

 4194 07:27:47.235092  [   94.368572] ------------[ cut here ]------------

 4195 07:27:47.235378  [   94.373221] WARNING: CPU: 1 PID: 2888 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174

 4196 07:27:47.276959  [   94.381791] refcount_t: addition on 0; use-after-free.

 4197 07:27:47.277466  [   94.386943] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3

 4198 07:27:47.277807  [   94.416214] CPU: 1 PID: 2888 Comm: cat Tainted: G      D W         5.10.180-cip33 #1

 4199 07:27:47.320177  [   94.423968] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 4200 07:27:47.320677  [   94.430504] Backtrace: 

 4201 07:27:47.321002  [   94.432982] [<c137df4c>] (dump_backtrace) from [<c137e30c>] (show_stack+0x20/0x24)

 4202 07:27:47.321305  [   94.440565]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8

 4203 07:27:47.321592  [   94.446241] [<c137e2ec>] (show_stack) from [<c1385568>] (dump_stack+0xe0/0x100)

 4204 07:27:47.321878  [   94.453568] [<c1385488>] (dump_stack) from [<c0356820>] (__warn+0x98/0x14c)

 4205 07:27:47.322156  [   94.460543]  r9:00000009 r8:c08739c4 r7:00000019 r6:00000009 r5:c08739c4 r4:c1a212e0

 4206 07:27:47.363395  [   94.468300] [<c0356788>] (__warn) from [<c137f448>] (warn_slowpath_fmt+0x8c/0xa8)

 4207 07:27:47.363931  [   94.475793]  r7:00000019 r6:c1a212e0 r5:c1a212f0 r4:c6922000

 4208 07:27:47.364283  [   94.481466] [<c137f3c0>] (warn_slowpath_fmt) from [<c08739c4>] (refcount_warn_saturate+0x108/0x174)

 4209 07:27:47.364609  [   94.490522]  r9:c1acd380 r8:c15e8cf8 r7:c6923f60 r6:00000012 r5:00000000 r4:c6922000

 4210 07:27:47.364927  [   94.498282] [<c08738bc>] (refcount_warn_saturate) from [<c0c55408>] (__refcount_add.constprop.0+0x54/0x58)

 4211 07:27:47.407021  [   94.507955] [<c0c553b4>] (__refcount_add.constprop.0) from [<c138c634>] (lkdtm_REFCOUNT_ADD_ZERO+0xa8/0xcc)

 4212 07:27:47.407561  [   94.517709] [<c138c58c>] (lkdtm_REFCOUNT_ADD_ZERO) from [<c0c54374>] (lkdtm_do_action+0x2c/0x4c)

 4213 07:27:47.407927  [   94.526501]  r5:c6c16000 r4:00000034

 4214 07:27:47.408255  [   94.530090] [<c0c54348>] (lkdtm_do_action) from [<c0c54874>] (direct_entry+0x120/0x18c)

 4215 07:27:47.408568  [   94.538111] [<c0c54754>] (direct_entry) from [<c07e03d4>] (full_proxy_write+0x64/0x94)

 4216 07:27:47.408875  [   94.546038]  r9:c6923f60 r8:c3082240 r7:00000012 r6:b6e21000 r5:c692a8c0 r4:c0c54754

 4217 07:27:47.451045  [   94.553801] [<c07e0370>] (full_proxy_write) from [<c059ac40>] (vfs_write+0x10c/0x53c)

 4218 07:27:47.451583  [   94.561644]  r9:c07e0370 r8:c6923f60 r7:c2815800 r6:b6e21000 r5:c692a8c0 r4:00000000

 4219 07:27:47.451944  [   94.569399] [<c059ab34>] (vfs_write) from [<c059b1ec>] (ksys_write+0x74/0xec)

 4220 07:27:47.452271  [   94.576546]  r10:00000004 r9:00000000 r8:00000000 r7:b6e21000 r6:c6922000 r5:c692a8c0

 4221 07:27:47.452582  [   94.584383]  r4:c692a8c0

 4222 07:27:47.452889  [   94.586931] [<c059b178>] (ksys_write) from [<c059b27c>] (sys_write+0x18/0x1c)

 4223 07:27:47.453193  [   94.594080]  r9:c6922000 r8:c03002e4 r7:00000004 r6:b6f68e00 r5:00000012 r4:00000012

 4224 07:27:47.494948  [   94.601836] [<c059b264>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 4225 07:27:47.495417  [   94.609413] Exception stack(0xc6923fa8 to 0xc6923ff0)

 4226 07:27:47.495717  [   94.614477] 3fa0:                   00000012 00000012 00000001 b6e21000 00000012 00000000

 4227 07:27:47.495999  [   94.622667] 3fc0: 00000012 00000012 b6f68e00 00000004 00000001 00000000 00020000 becd4ac4

 4228 07:27:47.496266  [   94.630852] 3fe0: 00000004 becd47f8 b6ed2d8f b6e597e6

 4229 07:27:47.496558  [   94.635988] irq event stamp: 0

 4230 07:27:47.496835  [   94.639109] hardirqs last  enabled at (0): [<00000000>] 0x0

 4231 07:27:47.538941  [   94.644712] hardirqs last disabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 4232 07:27:47.539316  [   94.652251] softirqs last  enabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 4233 07:27:47.539619  [   94.659787] softirqs last disabled at (0): [<00000000>] 0x0

 4234 07:27:47.539899  [   94.665378] ---[ end trace eec2cb921daffbd5 ]---

 4235 07:27:47.540168  [   94.670064] lkdtm: Zero detected: saturated

 4236 07:27:47.711074  # [   94.342854] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO

 4237 07:27:47.711575  # [   94.348631] lkdtm: attempting safe refcount_add_not_zero() from zero

 4238 07:27:47.711932  # [   94.355000] lkdtm: Good: zero detected

 4239 07:27:47.712257  # [   94.358828] lkdtm: Correctly stayed at zero

 4240 07:27:47.712573  # [   94.363027] lkdtm: attempting bad refcount_add() from zero

 4241 07:27:47.712880  # [   94.368572] ------------[ cut here ]------------

 4242 07:27:47.713182  # [   94.373221] WARNING: CPU: 1 PID: 2888 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174

 4243 07:27:47.755036  # [   94.381791] refcount_t: addition on 0; use-after-free.

 4244 07:27:47.755541  # [   94.386943] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3

 4245 07:27:47.755893  # [   94.416214] CPU: 1 PID: 2888 Comm: cat Tainted: G      D W         5.10.180-cip33 #1

 4246 07:27:47.799195  # [   94.423968] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 4247 07:27:47.799734  # [   94.430504] Backtrace: 

 4248 07:27:47.800092  # [   94.432982] [<c137df4c>] (dump_backtrace) from [<c137e30c>] (show_stack+0x20/0x24)

 4249 07:27:47.800420  # [   94.440565]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8

 4250 07:27:47.800736  # [   94.446241] [<c137e2ec>] (show_stack) from [<c1385568>] (dump_stack+0xe0/0x100)

 4251 07:27:47.801042  # [   94.453568] [<c1385488>] (dump_stack) from [<c0356820>] (__warn+0x98/0x14c)

 4252 07:27:47.801341  # [   94.460543]  r9:00000009 r8:c08739c4 r7:00000019 r6:00000009 r5:c08739c4 r4:c1a212e0

 4253 07:27:47.842850  # [   94.468300] [<c0356788>] (__warn) from [<c137f448>] (warn_slowpath_fmt+0x8c/0xa8)

 4254 07:27:47.843019  # [   94.475793]  r7:00000019 r6:c1a212e0 r5:c1a212f0 r4:c6922000

 4255 07:27:47.843101  # [   94.481466] [<c137f3c0>] (warn_slowpath_fmt) from [<c08739c4>] (refcount_warn_saturate+0x108/0x174)

 4256 07:27:47.843176  # [   94.490522]  r9:c1acd380 r8:c15e8cf8 r7:c6923f60 r6:00000012 r5:00000000 r4:c6922000

 4257 07:27:47.843247  # [   94.498282] [<c08738bc>] (refcount_warn_saturate) from [<c0c55408>] (__refcount_add.constprop.0+0x54/0x58)

 4258 07:27:47.886939  # [   94.507955] [<c0c553b4>] (__refcount_add.constprop.0) from [<c138c634>] (lkdtm_REFCOUNT_ADD_ZERO+0xa8/0xcc)

 4259 07:27:47.887110  # [   94.517709] [<c138c58c>] (lkdtm_REFCOUNT_ADD_ZERO) from [<c0c54374>] (lkdtm_do_action+0x2c/0x4c)

 4260 07:27:47.887192  # [   94.526501]  r5:c6c16000 r4:00000034

 4261 07:27:47.887265  # [   94.530090] [<c0c54348>] (lkdtm_do_action) from [<c0c54874>] (direct_entry+0x120/0x18c)

 4262 07:27:47.887336  # [   94.538111] [<c0c54754>] (direct_entry) from [<c07e03d4>] (full_proxy_write+0x64/0x94)

 4263 07:27:47.887404  # [   94.546038]  r9:c6923f60 r8:c3082240 r7:00000012 r6:b6e21000 r5:c692a8c0 r4:c0c54754

 4264 07:27:47.930875  # [   94.553801] [<c07e0370>] (full_proxy_write) from [<c059ac40>] (vfs_write+0x10c/0x53c)

 4265 07:27:47.931193  # [   94.561644]  r9:c07e0370 r8:c6923f60 r7:c2815800 r6:b6e21000 r5:c692a8c0 r4:00000000

 4266 07:27:47.931397  # [   94.569399] [<c059ab34>] (vfs_write) from [<c059b1ec>] (ksys_write+0x74/0xec)

 4267 07:27:47.931584  # [   94.576546]  r10:00000004 r9:00000000 r8:00000000 r7:b6e21000 r6:c6922000 r5:c692a8c0

 4268 07:27:47.931761  # [   94.584383]  r4:c692a8c0

 4269 07:27:47.931928  # [   94.586931] [<c059b178>] (ksys_write) from [<c059b27c>] (sys_write+0x18/0x1c)

 4270 07:27:47.974974  # [   94.594080]  r9:c6922000 r8:c03002e4 r7:00000004 r6:b6f68e00 r5:00000012 r4:00000012

 4271 07:27:47.975487  # [   94.601836] [<c059b264>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 4272 07:27:47.975822  # [   94.609413] Exception stack(0xc6923fa8 to 0xc6923ff0)

 4273 07:27:47.976126  # [   94.614477] 3fa0:                   00000012 00000012 00000001 b6e21000 00000012 00000000

 4274 07:27:47.976420  # [   94.622667] 3fc0: 00000012 00000012 b6f68e00 00000004 00000001 00000000 00020000 becd4ac4

 4275 07:27:47.976706  # [   94.630852] 3fe0: 00000004 becd47f8 b6ed2d8f b6e597e6

 4276 07:27:47.976989  # [   94.635988] irq event stamp: 0

 4277 07:27:48.019311  # [   94.639109] hardirqs last  enabled at (0): [<00000000>] 0x0

 4278 07:27:48.019811  # [   94.644712] hardirqs last disabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 4279 07:27:48.020143  # [   94.652251] softirqs last  enabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 4280 07:27:48.020448  # [   94.659787] softirqs last disabled at (0): [<00000000>] 0x0

 4281 07:27:48.020736  # [   94.665378] ---[ end trace eec2cb921daffbd5 ]---

 4282 07:27:48.021022  # [   94.670064] lkdtm: Zero detected: saturated

 4283 07:27:48.021297  # REFCOUNT_ADD_ZERO: missing 'call trace:': [FAIL]

 4284 07:27:48.063328  not ok 51 selftests: lkdtm: REFCOUNT_ADD_ZERO.sh # exit=1

 4285 07:27:48.063828  # selftests: lkdtm: REFCOUNT_INC_SATURATED.sh

 4286 07:27:48.148573  [   95.258461] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED

 4287 07:27:48.148832  [   95.264580] lkdtm: attempting bad refcount_inc() from saturated

 4288 07:27:48.148987  [   95.270558] ------------[ cut here ]------------

 4289 07:27:48.149124  [   95.275207] WARNING: CPU: 3 PID: 2925 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174

 4290 07:27:48.149258  [   95.283693] refcount_t: saturated; leaking memory.

 4291 07:27:48.192389  [   95.288553] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3

 4292 07:27:48.192933  [   95.317786] CPU: 3 PID: 2925 Comm: cat Tainted: G      D W         5.10.180-cip33 #1

 4293 07:27:48.193290  [   95.325539] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 4294 07:27:48.193622  [   95.332073] Backtrace: 

 4295 07:27:48.193951  [   95.334552] [<c137df4c>] (dump_backtrace) from [<c137e30c>] (show_stack+0x20/0x24)

 4296 07:27:48.235310  [   95.342133]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8

 4297 07:27:48.235842  [   95.347811] [<c137e2ec>] (show_stack) from [<c1385568>] (dump_stack+0xe0/0x100)

 4298 07:27:48.236196  [   95.355137] [<c1385488>] (dump_stack) from [<c0356820>] (__warn+0x98/0x14c)

 4299 07:27:48.236518  [   95.362110]  r9:00000009 r8:c0873990 r7:00000016 r6:00000009 r5:c0873990 r4:c1a212e0

 4300 07:27:48.236831  [   95.369868] [<c0356788>] (__warn) from [<c137f448>] (warn_slowpath_fmt+0x8c/0xa8)

 4301 07:27:48.237141  [   95.377359]  r7:00000016 r6:c1a212e0 r5:c1a212b8 r4:c6a8e000

 4302 07:27:48.278995  [   95.383034] [<c137f3c0>] (warn_slowpath_fmt) from [<c0873990>] (refcount_warn_saturate+0xd4/0x174)

 4303 07:27:48.279535  [   95.392005]  r9:c1acd394 r8:c15e8cf8 r7:c6a8ff60 r6:00000017 r5:c6bf9000 r4:c6a8e000

 4304 07:27:48.279889  [   95.399765] [<c08738bc>] (refcount_warn_saturate) from [<c0c553f8>] (__refcount_add.constprop.0+0x44/0x58)

 4305 07:27:48.280218  [   95.409441] [<c0c553b4>] (__refcount_add.constprop.0) from [<c138c6a4>] (lkdtm_REFCOUNT_INC_SATURATED+0x4c/0x70)

 4306 07:27:48.280538  [   95.419631] [<c138c658>] (lkdtm_REFCOUNT_INC_SATURATED) from [<c0c54374>] (lkdtm_do_action+0x2c/0x4c)

 4307 07:27:48.280847  [   95.428859]  r4:00000035

 4308 07:27:48.323047  [   95.431407] [<c0c54348>] (lkdtm_do_action) from [<c0c54874>] (direct_entry+0x120/0x18c)

 4309 07:27:48.323581  [   95.439428] [<c0c54754>] (direct_entry) from [<c07e03d4>] (full_proxy_write+0x64/0x94)

 4310 07:27:48.323948  [   95.447357]  r9:c6a8ff60 r8:c3082240 r7:00000017 r6:b6de4000 r5:c5ccd400 r4:c0c54754

 4311 07:27:48.324282  [   95.455118] [<c07e0370>] (full_proxy_write) from [<c059ac40>] (vfs_write+0x10c/0x53c)

 4312 07:27:48.324597  [   95.462959]  r9:c07e0370 r8:c6a8ff60 r7:c2815800 r6:b6de4000 r5:c5ccd400 r4:00000000

 4313 07:27:48.367158  [   95.470715] [<c059ab34>] (vfs_write) from [<c059b1ec>] (ksys_write+0x74/0xec)

 4314 07:27:48.367694  [   95.477861]  r10:00000004 r9:00000000 r8:00000000 r7:b6de4000 r6:c6a8e000 r5:c5ccd400

 4315 07:27:48.368053  [   95.485696]  r4:c5ccd400

 4316 07:27:48.368377  [   95.488243] [<c059b178>] (ksys_write) from [<c059b27c>] (sys_write+0x18/0x1c)

 4317 07:27:48.368692  [   95.495391]  r9:c6a8e000 r8:c03002e4 r7:00000004 r6:b6f2be00 r5:00000017 r4:00000017

 4318 07:27:48.369000  [   95.503149] [<c059b264>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 4319 07:27:48.369301  [   95.510726] Exception stack(0xc6a8ffa8 to 0xc6a8fff0)

 4320 07:27:48.410718  [   95.515790] ffa0:                   00000017 00000017 00000001 b6de4000 00000017 00000000

 4321 07:27:48.410907  [   95.523980] ffc0: 00000017 00000017 b6f2be00 00000004 00000001 00000000 00020000 beb9bac4

 4322 07:27:48.410988  [   95.532165] ffe0: 00000004 beb9b7f8 b6e95d8f b6e1c7e6

 4323 07:27:48.411091  [   95.537299] irq event stamp: 0

 4324 07:27:48.411151  [   95.540379] hardirqs last  enabled at (0): [<00000000>] 0x0

 4325 07:27:48.411246  [   95.545973] hardirqs last disabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 4326 07:27:48.411305  [   95.553520] softirqs last  enabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 4327 07:27:48.455198  [   95.561084] softirqs last disabled at (0): [<00000000>] 0x0

 4328 07:27:48.455671  [   95.566680] ---[ end trace eec2cb921daffbd6 ]---

 4329 07:27:48.455982  [   95.571352] lkdtm: Saturation detected: still saturated

 4330 07:27:48.605741  # [   95.258461] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED

 4331 07:27:48.606277  # [   95.264580] lkdtm: attempting bad refcount_inc() from saturated

 4332 07:27:48.606670  # [   95.270558] ------------[ cut here ]------------

 4333 07:27:48.607010  # [   95.275207] WARNING: CPU: 3 PID: 2925 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174

 4334 07:27:48.607331  # [   95.283693] refcount_t: saturated; leaking memory.

 4335 07:27:48.648776  # [   95.288553] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3

 4336 07:27:48.649328  # [   95.317786] CPU: 3 PID: 2925 Comm: cat Tainted: G      D W         5.10.180-cip33 #1

 4337 07:27:48.649687  # [   95.325539] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 4338 07:27:48.650016  # [   95.332073] Backtrace: 

 4339 07:27:48.650331  # [   95.334552] [<c137df4c>] (dump_backtrace) from [<c137e30c>] (show_stack+0x20/0x24)

 4340 07:27:48.650683  # [   95.342133]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8

 4341 07:27:48.691721  # [   95.347811] [<c137e2ec>] (show_stack) from [<c1385568>] (dump_stack+0xe0/0x100)

 4342 07:27:48.692260  # [   95.355137] [<c1385488>] (dump_stack) from [<c0356820>] (__warn+0x98/0x14c)

 4343 07:27:48.692616  # [   95.362110]  r9:00000009 r8:c0873990 r7:00000016 r6:00000009 r5:c0873990 r4:c1a212e0

 4344 07:27:48.692947  # [   95.369868] [<c0356788>] (__warn) from [<c137f448>] (warn_slowpath_fmt+0x8c/0xa8)

 4345 07:27:48.693261  # [   95.377359]  r7:00000016 r6:c1a212e0 r5:c1a212b8 r4:c6a8e000

 4346 07:27:48.739017  # [   95.383034] [<c137f3c0>] (warn_slowpath_fmt) from [<c0873990>] (refcount_warn_saturate+0xd4/0x174)

 4347 07:27:48.739533  # [   95.392005]  r9:c1acd394 r8:c15e8cf8 r7:c6a8ff60 r6:00000017 r5:c6bf9000 r4:c6a8e000

 4348 07:27:48.739876  # [   95.399765] [<c08738bc>] (refcount_warn_saturate) from [<c0c553f8>] (__refcount_add.constprop.0+0x44/0x58)

 4349 07:27:48.740185  # [   95.409441] [<c0c553b4>] (__refcount_add.constprop.0) from [<c138c6a4>] (lkdtm_REFCOUNT_INC_SATURATED+0x4c/0x70)

 4350 07:27:48.740474  # [   95.419631] [<c138c658>] (lkdtm_REFCOUNT_INC_SATURATED) from [<c0c54374>] (lkdtm_do_action+0x2c/0x4c)

 4351 07:27:48.740756  # [   95.428859]  r4:00000035

 4352 07:27:48.786991  # [   95.431407] [<c0c54348>] (lkdtm_do_action) from [<c0c54874>] (direct_entry+0x120/0x18c)

 4353 07:27:48.787500  # [   95.439428] [<c0c54754>] (direct_entry) from [<c07e03d4>] (full_proxy_write+0x64/0x94)

 4354 07:27:48.787853  # [   95.447357]  r9:c6a8ff60 r8:c3082240 r7:00000017 r6:b6de4000 r5:c5ccd400 r4:c0c54754

 4355 07:27:48.788204  # [   95.455118] [<c07e0370>] (full_proxy_write) from [<c059ac40>] (vfs_write+0x10c/0x53c)

 4356 07:27:48.788521  # [   95.462959]  r9:c07e0370 r8:c6a8ff60 r7:c2815800 r6:b6de4000 r5:c5ccd400 r4:00000000

 4357 07:27:48.835032  # [   95.470715] [<c059ab34>] (vfs_write) from [<c059b1ec>] (ksys_write+0x74/0xec)

 4358 07:27:48.835586  # [   95.477861]  r10:00000004 r9:00000000 r8:00000000 r7:b6de4000 r6:c6a8e000 r5:c5ccd400

 4359 07:27:48.835947  # [   95.485696]  r4:c5ccd400

 4360 07:27:48.836272  # [   95.488243] [<c059b178>] (ksys_write) from [<c059b27c>] (sys_write+0x18/0x1c)

 4361 07:27:48.836587  # [   95.495391]  r9:c6a8e000 r8:c03002e4 r7:00000004 r6:b6f2be00 r5:00000017 r4:00000017

 4362 07:27:48.836897  # [   95.503149] [<c059b264>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 4363 07:27:48.837199  # [   95.510726] Exception stack(0xc6a8ffa8 to 0xc6a8fff0)

 4364 07:27:48.879031  # [   95.515790] ffa0:                   00000017 00000017 00000001 b6de4000 00000017 00000000

 4365 07:27:48.879528  # [   95.523980] ffc0: 00000017 00000017 b6f2be00 00000004 00000001 00000000 00020000 beb9bac4

 4366 07:27:48.879854  # [   95.532165] ffe0: 00000004 beb9b7f8 b6e95d8f b6e1c7e6

 4367 07:27:48.880158  # [   95.537299] irq event stamp: 0

 4368 07:27:48.880446  # [   95.540379] hardirqs last  enabled at (0): [<00000000>] 0x0

 4369 07:27:48.880729  # [   95.545973] hardirqs last disabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 4370 07:27:48.923298  # [   95.553520] softirqs last  enabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 4371 07:27:48.923801  # [   95.561084] softirqs last disabled at (0): [<00000000>] 0x0

 4372 07:27:48.924136  # [   95.566680] ---[ end trace eec2cb921daffbd6 ]---

 4373 07:27:48.924440  # [   95.571352] lkdtm: Saturation detected: still saturated

 4374 07:27:48.924731  # REFCOUNT_INC_SATURATED: saw 'Saturation detected: still saturated': ok

 4375 07:27:48.925010  ok 52 selftests: lkdtm: REFCOUNT_INC_SATURATED.sh

 4376 07:27:48.925289  # selftests: lkdtm: REFCOUNT_DEC_SATURATED.sh

 4377 07:27:49.038481  [   96.147869] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED

 4378 07:27:49.038780  [   96.154015] lkdtm: attempting bad refcount_dec() from saturated

 4379 07:27:49.038954  [   96.160048] ------------[ cut here ]------------

 4380 07:27:49.039113  [   96.164729] WARNING: CPU: 3 PID: 2960 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174

 4381 07:27:49.039259  [   96.173265] refcount_t: decrement hit 0; leaking memory.

 4382 07:27:49.081903  [   96.178627] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3

 4383 07:27:49.082418  [   96.207852] CPU: 3 PID: 2960 Comm: cat Tainted: G      D W         5.10.180-cip33 #1

 4384 07:27:49.082791  [   96.215607] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 4385 07:27:49.083098  [   96.222143] Backtrace: 

 4386 07:27:49.083387  [   96.224620] [<c137df4c>] (dump_backtrace) from [<c137e30c>] (show_stack+0x20/0x24)

 4387 07:27:49.125244  [   96.232202]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8

 4388 07:27:49.125738  [   96.237877] [<c137e2ec>] (show_stack) from [<c1385568>] (dump_stack+0xe0/0x100)

 4389 07:27:49.126060  [   96.245204] [<c1385488>] (dump_stack) from [<c0356820>] (__warn+0x98/0x14c)

 4390 07:27:49.126358  [   96.252180]  r9:00000009 r8:c0873928 r7:0000001f r6:00000009 r5:c0873928 r4:c1a212e0

 4391 07:27:49.126692  [   96.259936] [<c0356788>] (__warn) from [<c137f448>] (warn_slowpath_fmt+0x8c/0xa8)

 4392 07:27:49.127018  [   96.267430]  r7:0000001f r6:c1a212e0 r5:c1a21344 r4:c5cce000

 4393 07:27:49.168364  [   96.273106] [<c137f3c0>] (warn_slowpath_fmt) from [<c0873928>] (refcount_warn_saturate+0x6c/0x174)

 4394 07:27:49.168902  [   96.282075]  r9:c1acd3ac r8:c15e8cf8 r7:c5ccff60 r6:00000017 r5:c6bf9000 r4:c5cce000

 4395 07:27:49.169258  [   96.289837] [<c08738bc>] (refcount_warn_saturate) from [<c138bf90>] (__refcount_dec.constprop.0+0x38/0x3c)

 4396 07:27:49.169587  [   96.299507] [<c138bf58>] (__refcount_dec.constprop.0) from [<c138c710>] (lkdtm_REFCOUNT_DEC_SATURATED+0x48/0x6c)

 4397 07:27:49.169905  [   96.309699] [<c138c6c8>] (lkdtm_REFCOUNT_DEC_SATURATED) from [<c0c54374>] (lkdtm_do_action+0x2c/0x4c)

 4398 07:27:49.170212  [   96.318925]  r4:00000036

 4399 07:27:49.211477  [   96.321470] [<c0c54348>] (lkdtm_do_action) from [<c0c54874>] (direct_entry+0x120/0x18c)

 4400 07:27:49.212015  [   96.329491] [<c0c54754>] (direct_entry) from [<c07e03d4>] (full_proxy_write+0x64/0x94)

 4401 07:27:49.212368  [   96.337419]  r9:c5ccff60 r8:c3082240 r7:00000017 r6:b6ded000 r5:c5e128c0 r4:c0c54754

 4402 07:27:49.212695  [   96.345180] [<c07e0370>] (full_proxy_write) from [<c059ac40>] (vfs_write+0x10c/0x53c)

 4403 07:27:49.213009  [   96.353020]  r9:c07e0370 r8:c5ccff60 r7:c2815800 r6:b6ded000 r5:c5e128c0 r4:00000000

 4404 07:27:49.254952  [   96.360775] [<c059ab34>] (vfs_write) from [<c059b1ec>] (ksys_write+0x74/0xec)

 4405 07:27:49.255488  [   96.367922]  r10:00000004 r9:00000000 r8:00000000 r7:b6ded000 r6:c5cce000 r5:c5e128c0

 4406 07:27:49.255841  [   96.375758]  r4:c5e128c0

 4407 07:27:49.256167  [   96.378303] [<c059b178>] (ksys_write) from [<c059b27c>] (sys_write+0x18/0x1c)

 4408 07:27:49.256480  [   96.385451]  r9:c5cce000 r8:c03002e4 r7:00000004 r6:b6f34e00 r5:00000017 r4:00000017

 4409 07:27:49.256790  [   96.393209] [<c059b264>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 4410 07:27:49.257093  [   96.400786] Exception stack(0xc5ccffa8 to 0xc5ccfff0)

 4411 07:27:49.298898  [   96.405850] ffa0:                   00000017 00000017 00000001 b6ded000 00000017 00000000

 4412 07:27:49.299415  [   96.414041] ffc0: 00000017 00000017 b6f34e00 00000004 00000001 00000000 00020000 bed47ac4

 4413 07:27:49.299780  [   96.422226] ffe0: 00000004 bed477f8 b6e9ed8f b6e257e6

 4414 07:27:49.300094  [   96.427363] irq event stamp: 0

 4415 07:27:49.300412  [   96.430442] hardirqs last  enabled at (0): [<00000000>] 0x0

 4416 07:27:49.300699  [   96.436040] hardirqs last disabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 4417 07:27:49.301023  [   96.443620] softirqs last  enabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 4418 07:27:49.343224  [   96.451217] softirqs last disabled at (0): [<00000000>] 0x0

 4419 07:27:49.343698  [   96.456813] ---[ end trace eec2cb921daffbd7 ]---

 4420 07:27:49.344042  [   96.461486] lkdtm: Saturation detected: still saturated

 4421 07:27:49.495475  # [   96.147869] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED

 4422 07:27:49.496011  # [   96.154015] lkdtm: attempting bad refcount_dec() from saturated

 4423 07:27:49.496364  # [   96.160048] ------------[ cut here ]------------

 4424 07:27:49.496696  # [   96.164729] WARNING: CPU: 3 PID: 2960 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174

 4425 07:27:49.497015  # [   96.173265] refcount_t: decrement hit 0; leaking memory.

 4426 07:27:49.543190  # [   96.178627] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3

 4427 07:27:49.543705  # [   96.207852] CPU: 3 PID: 2960 Comm: cat Tainted: G      D W         5.10.180-cip33 #1

 4428 07:27:49.544069  # [   96.215607] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 4429 07:27:49.544403  # [   96.222143] Backtrace: 

 4430 07:27:49.544719  # [   96.224620] [<c137df4c>] (dump_backtrace) from [<c137e30c>] (show_stack+0x20/0x24)

 4431 07:27:49.587179  # [   96.232202]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8

 4432 07:27:49.587718  # [   96.237877] [<c137e2ec>] (show_stack) from [<c1385568>] (dump_stack+0xe0/0x100)

 4433 07:27:49.588076  # [   96.245204] [<c1385488>] (dump_stack) from [<c0356820>] (__warn+0x98/0x14c)

 4434 07:27:49.588407  # [   96.252180]  r9:00000009 r8:c0873928 r7:0000001f r6:00000009 r5:c0873928 r4:c1a212e0

 4435 07:27:49.588722  # [   96.259936] [<c0356788>] (__warn) from [<c137f448>] (warn_slowpath_fmt+0x8c/0xa8)

 4436 07:27:49.589029  # [   96.267430]  r7:0000001f r6:c1a212e0 r5:c1a21344 r4:c5cce000

 4437 07:27:49.630853  # [   96.273106] [<c137f3c0>] (warn_slowpath_fmt) from [<c0873928>] (refcount_warn_saturate+0x6c/0x174)

 4438 07:27:49.631020  # [   96.282075]  r9:c1acd3ac r8:c15e8cf8 r7:c5ccff60 r6:00000017 r5:c6bf9000 r4:c5cce000

 4439 07:27:49.631091  # [   96.289837] [<c08738bc>] (refcount_warn_saturate) from [<c138bf90>] (__refcount_dec.constprop.0+0x38/0x3c)

 4440 07:27:49.631160  # [   96.299507] [<c138bf58>] (__refcount_dec.constprop.0) from [<c138c710>] (lkdtm_REFCOUNT_DEC_SATURATED+0x48/0x6c)

 4441 07:27:49.631225  # [   96.309699] [<c138c6c8>] (lkdtm_REFCOUNT_DEC_SATURATED) from [<c0c54374>] (lkdtm_do_action+0x2c/0x4c)

 4442 07:27:49.674979  # [   96.318925]  r4:00000036

 4443 07:27:49.675227  # [   96.321470] [<c0c54348>] (lkdtm_do_action) from [<c0c54874>] (direct_entry+0x120/0x18c)

 4444 07:27:49.675382  # [   96.329491] [<c0c54754>] (direct_entry) from [<c07e03d4>] (full_proxy_write+0x64/0x94)

 4445 07:27:49.675522  # [   96.337419]  r9:c5ccff60 r8:c3082240 r7:00000017 r6:b6ded000 r5:c5e128c0 r4:c0c54754

 4446 07:27:49.675660  # [   96.345180] [<c07e0370>] (full_proxy_write) from [<c059ac40>] (vfs_write+0x10c/0x53c)

 4447 07:27:49.675810  # [   96.353020]  r9:c07e0370 r8:c5ccff60 r7:c2815800 r6:b6ded000 r5:c5e128c0 r4:00000000

 4448 07:27:49.718972  # [   96.360775] [<c059ab34>] (vfs_write) from [<c059b1ec>] (ksys_write+0x74/0xec)

 4449 07:27:49.719471  # [   96.367922]  r10:00000004 r9:00000000 r8:00000000 r7:b6ded000 r6:c5cce000 r5:c5e128c0

 4450 07:27:49.719797  # [   96.375758]  r4:c5e128c0

 4451 07:27:49.720098  # [   96.378303] [<c059b178>] (ksys_write) from [<c059b27c>] (sys_write+0x18/0x1c)

 4452 07:27:49.720390  # [   96.385451]  r9:c5cce000 r8:c03002e4 r7:00000004 r6:b6f34e00 r5:00000017 r4:00000017

 4453 07:27:49.720702  # [   96.393209] [<c059b264>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 4454 07:27:49.763049  # [   96.400786] Exception stack(0xc5ccffa8 to 0xc5ccfff0)

 4455 07:27:49.763543  # [   96.405850] ffa0:                   00000017 00000017 00000001 b6ded000 00000017 00000000

 4456 07:27:49.763881  # [   96.414041] ffc0: 00000017 00000017 b6f34e00 00000004 00000001 00000000 00020000 bed47ac4

 4457 07:27:49.764213  # [   96.422226] ffe0: 00000004 bed477f8 b6e9ed8f b6e257e6

 4458 07:27:49.764508  # [   96.427363] irq event stamp: 0

 4459 07:27:49.764792  # [   96.430442] hardirqs last  enabled at (0): [<00000000>] 0x0

 4460 07:27:49.765074  # [   96.436040] hardirqs last disabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 4461 07:27:49.807223  # [   96.443620] softirqs last  enabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 4462 07:27:49.807729  # [   96.451217] softirqs last disabled at (0): [<00000000>] 0x0

 4463 07:27:49.808057  # [   96.456813] ---[ end trace eec2cb921daffbd7 ]---

 4464 07:27:49.808362  # [   96.461486] lkdtm: Saturation detected: still saturated

 4465 07:27:49.808649  # REFCOUNT_DEC_SATURATED: saw 'Saturation detected: still saturated': ok

 4466 07:27:49.808931  ok 53 selftests: lkdtm: REFCOUNT_DEC_SATURATED.sh

 4467 07:27:49.809208  # selftests: lkdtm: REFCOUNT_ADD_SATURATED.sh

 4468 07:27:49.950109  [   97.059356] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED

 4469 07:27:49.950629  [   97.065476] lkdtm: attempting bad refcount_dec() from saturated

 4470 07:27:49.950958  [   97.071488] ------------[ cut here ]------------

 4471 07:27:49.951259  [   97.076137] WARNING: CPU: 1 PID: 2995 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174

 4472 07:27:49.951571  [   97.084627] refcount_t: saturated; leaking memory.

 4473 07:27:49.993332  [   97.089466] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3

 4474 07:27:49.993883  [   97.118715] CPU: 1 PID: 2995 Comm: cat Tainted: G      D W         5.10.180-cip33 #1

 4475 07:27:49.994241  [   97.126467] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 4476 07:27:49.994595  [   97.133004] Backtrace: 

 4477 07:27:49.994916  [   97.135483] [<c137df4c>] (dump_backtrace) from [<c137e30c>] (show_stack+0x20/0x24)

 4478 07:27:50.036500  [   97.143065]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8

 4479 07:27:50.037033  [   97.148742] [<c137e2ec>] (show_stack) from [<c1385568>] (dump_stack+0xe0/0x100)

 4480 07:27:50.037383  [   97.156070] [<c1385488>] (dump_stack) from [<c0356820>] (__warn+0x98/0x14c)

 4481 07:27:50.037707  [   97.163043]  r9:00000009 r8:c0873990 r7:00000016 r6:00000009 r5:c0873990 r4:c1a212e0

 4482 07:27:50.038023  [   97.170800] [<c0356788>] (__warn) from [<c137f448>] (warn_slowpath_fmt+0x8c/0xa8)

 4483 07:27:50.038330  [   97.178293]  r7:00000016 r6:c1a212e0 r5:c1a212b8 r4:c6852000

 4484 07:27:50.079565  [   97.183969] [<c137f3c0>] (warn_slowpath_fmt) from [<c0873990>] (refcount_warn_saturate+0xd4/0x174)

 4485 07:27:50.080101  [   97.192940]  r9:c1acd3c4 r8:c15e8cf8 r7:c6853f60 r6:00000017 r5:c6bb3000 r4:c6852000

 4486 07:27:50.080454  [   97.200700] [<c08738bc>] (refcount_warn_saturate) from [<c0c553f8>] (__refcount_add.constprop.0+0x44/0x58)

 4487 07:27:50.080783  [   97.210376] [<c0c553b4>] (__refcount_add.constprop.0) from [<c138c780>] (lkdtm_REFCOUNT_ADD_SATURATED+0x4c/0x70)

 4488 07:27:50.081097  [   97.220565] [<c138c734>] (lkdtm_REFCOUNT_ADD_SATURATED) from [<c0c54374>] (lkdtm_do_action+0x2c/0x4c)

 4489 07:27:50.081403  [   97.229791]  r4:00000037

 4490 07:27:50.123048  [   97.232336] [<c0c54348>] (lkdtm_do_action) from [<c0c54874>] (direct_entry+0x120/0x18c)

 4491 07:27:50.123589  [   97.240355] [<c0c54754>] (direct_entry) from [<c07e03d4>] (full_proxy_write+0x64/0x94)

 4492 07:27:50.123945  [   97.248284]  r9:c6853f60 r8:c3082240 r7:00000017 r6:b6e1f000 r5:c692b680 r4:c0c54754

 4493 07:27:50.124273  [   97.256046] [<c07e0370>] (full_proxy_write) from [<c059ac40>] (vfs_write+0x10c/0x53c)

 4494 07:27:50.124589  [   97.263887]  r9:c07e0370 r8:c6853f60 r7:c2815800 r6:b6e1f000 r5:c692b680 r4:00000000

 4495 07:27:50.167043  [   97.271642] [<c059ab34>] (vfs_write) from [<c059b1ec>] (ksys_write+0x74/0xec)

 4496 07:27:50.167581  [   97.278789]  r10:00000004 r9:00000000 r8:00000000 r7:b6e1f000 r6:c6852000 r5:c692b680

 4497 07:27:50.167945  [   97.286624]  r4:c692b680

 4498 07:27:50.168271  [   97.289169] [<c059b178>] (ksys_write) from [<c059b27c>] (sys_write+0x18/0x1c)

 4499 07:27:50.168585  [   97.296316]  r9:c6852000 r8:c03002e4 r7:00000004 r6:b6f66e00 r5:00000017 r4:00000017

 4500 07:27:50.168895  [   97.304074] [<c059b264>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 4501 07:27:50.169200  [   97.311652] Exception stack(0xc6853fa8 to 0xc6853ff0)

 4502 07:27:50.210647  [   97.316715] 3fa0:                   00000017 00000017 00000001 b6e1f000 00000017 00000000

 4503 07:27:50.210807  [   97.324906] 3fc0: 00000017 00000017 b6f66e00 00000004 00000001 00000000 00020000 bed0cac4

 4504 07:27:50.210874  [   97.333093] 3fe0: 00000004 bed0c7f8 b6ed0d8f b6e577e6

 4505 07:27:50.210975  [   97.338220] irq event stamp: 0

 4506 07:27:50.211099  [   97.341297] hardirqs last  enabled at (0): [<00000000>] 0x0

 4507 07:27:50.211195  [   97.346891] hardirqs last disabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 4508 07:27:50.211253  [   97.354442] softirqs last  enabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 4509 07:27:50.255004  [   97.362029] softirqs last disabled at (0): [<00000000>] 0x0

 4510 07:27:50.255178  [   97.367693] ---[ end trace eec2cb921daffbd8 ]---

 4511 07:27:50.255266  [   97.372335] lkdtm: Saturation detected: still saturated

 4512 07:27:50.407015  # [    0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache

 4513 07:27:50.407555  # [   97.059356] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED

 4514 07:27:50.407908  # [   97.065476] lkdtm: attempting bad refcount_dec() from saturated

 4515 07:27:50.408237  # [   97.071488] ------------[ cut here ]------------

 4516 07:27:50.408550  # [   97.076137] WARNING: CPU: 1 PID: 2995 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174

 4517 07:27:50.408860  # [   97.084627] refcount_t: saturated; leaking memory.

 4518 07:27:50.451036  # [   97.089466] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3

 4519 07:27:50.451589  # [   97.118715] CPU: 1 PID: 2995 Comm: cat Tainted: G      D W         5.10.180-cip33 #1

 4520 07:27:50.451951  # [   97.126467] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 4521 07:27:50.452281  # [   97.133004] Backtrace: 

 4522 07:27:50.495042  # [   97.135483] [<c137df4c>] (dump_backtrace) from [<c137e30c>] (show_stack+0x20/0x24)

 4523 07:27:50.495579  # [   97.143065]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8

 4524 07:27:50.495939  # [   97.148742] [<c137e2ec>] (show_stack) from [<c1385568>] (dump_stack+0xe0/0x100)

 4525 07:27:50.496268  # [   97.156070] [<c1385488>] (dump_stack) from [<c0356820>] (__warn+0x98/0x14c)

 4526 07:27:50.496580  # [   97.163043]  r9:00000009 r8:c0873990 r7:00000016 r6:00000009 r5:c0873990 r4:c1a212e0

 4527 07:27:50.496889  # [   97.170800] [<c0356788>] (__warn) from [<c137f448>] (warn_slowpath_fmt+0x8c/0xa8)

 4528 07:27:50.539007  # [   97.178293]  r7:00000016 r6:c1a212e0 r5:c1a212b8 r4:c6852000

 4529 07:27:50.539513  # [   97.183969] [<c137f3c0>] (warn_slowpath_fmt) from [<c0873990>] (refcount_warn_saturate+0xd4/0x174)

 4530 07:27:50.539855  # [   97.192940]  r9:c1acd3c4 r8:c15e8cf8 r7:c6853f60 r6:00000017 r5:c6bb3000 r4:c6852000

 4531 07:27:50.540186  # [   97.200700] [<c08738bc>] (refcount_warn_saturate) from [<c0c553f8>] (__refcount_add.constprop.0+0x44/0x58)

 4532 07:27:50.540492  # [   97.210376] [<c0c553b4>] (__refcount_add.constprop.0) from [<c138c780>] (lkdtm_REFCOUNT_ADD_SATURATED+0x4c/0x70)

 4533 07:27:50.583200  # [   97.220565] [<c138c734>] (lkdtm_REFCOUNT_ADD_SATURATED) from [<c0c54374>] (lkdtm_do_action+0x2c/0x4c)

 4534 07:27:50.583701  # [   97.229791]  r4:00000037

 4535 07:27:50.584035  # [   97.232336] [<c0c54348>] (lkdtm_do_action) from [<c0c54874>] (direct_entry+0x120/0x18c)

 4536 07:27:50.584361  # [   97.240355] [<c0c54754>] (direct_entry) from [<c07e03d4>] (full_proxy_write+0x64/0x94)

 4537 07:27:50.584661  # [   97.248284]  r9:c6853f60 r8:c3082240 r7:00000017 r6:b6e1f000 r5:c692b680 r4:c0c54754

 4538 07:27:50.626991  # [   97.256046] [<c07e0370>] (full_proxy_write) from [<c059ac40>] (vfs_write+0x10c/0x53c)

 4539 07:27:50.627491  # [   97.263887]  r9:c07e0370 r8:c6853f60 r7:c2815800 r6:b6e1f000 r5:c692b680 r4:00000000

 4540 07:27:50.627814  # [   97.271642] [<c059ab34>] (vfs_write) from [<c059b1ec>] (ksys_write+0x74/0xec)

 4541 07:27:50.628115  # [   97.278789]  r10:00000004 r9:00000000 r8:00000000 r7:b6e1f000 r6:c6852000 r5:c692b680

 4542 07:27:50.628429  # [   97.286624]  r4:c692b680

 4543 07:27:50.628721  # [   97.289169] [<c059b178>] (ksys_write) from [<c059b27c>] (sys_write+0x18/0x1c)

 4544 07:27:50.629001  # [   97.296316]  r9:c6852000 r8:c03002e4 r7:00000004 r6:b6f66e00 r5:00000017 r4:00000017

 4545 07:27:50.671037  # [   97.304074] [<c059b264>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 4546 07:27:50.671531  # [   97.311652] Exception stack(0xc6853fa8 to 0xc6853ff0)

 4547 07:27:50.671866  # [   97.316715] 3fa0:                   00000017 00000017 00000001 b6e1f000 00000017 00000000

 4548 07:27:50.672167  # [   97.324906] 3fc0: 00000017 00000017 b6f66e00 00000004 00000001 00000000 00020000 bed0cac4

 4549 07:27:50.672457  # [   97.333093] 3fe0: 00000004 bed0c7f8 b6ed0d8f b6e577e6

 4550 07:27:50.672741  # [   97.338220] irq event stamp: 0

 4551 07:27:50.673019  # [   97.341297] hardirqs last  enabled at (0): [<00000000>] 0x0

 4552 07:27:50.715141  # [   97.346891] hardirqs last disabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 4553 07:27:50.715654  # [   97.354442] softirqs last  enabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 4554 07:27:50.715989  # [   97.362029] softirqs last disabled at (0): [<00000000>] 0x0

 4555 07:27:50.716291  # [   97.367693] ---[ end trace eec2cb921daffbd8 ]---

 4556 07:27:50.716582  # [   97.372335] lkdtm: Saturation detected: still saturated

 4557 07:27:50.716867  # REFCOUNT_ADD_SATURATED: saw 'Saturation detected: still saturated': ok

 4558 07:27:50.717143  ok 54 selftests: lkdtm: REFCOUNT_ADD_SATURATED.sh

 4559 07:27:50.759173  # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh

 4560 07:27:50.853831  [   97.962621] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED

 4561 07:27:50.854331  [   97.969657] lkdtm: attempting bad refcount_inc_not_zero() from saturated

 4562 07:27:50.854697  [   97.976398] ------------[ cut here ]------------

 4563 07:27:50.855007  [   97.981203] WARNING: CPU: 1 PID: 3027 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174

 4564 07:27:50.855305  [   97.989783] refcount_t: saturated; leaking memory.

 4565 07:27:50.897376  [   97.994613] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3

 4566 07:27:50.897926  [   98.024196] CPU: 1 PID: 3027 Comm: cat Tainted: G      D W         5.10.180-cip33 #1

 4567 07:27:50.898284  [   98.031967] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 4568 07:27:50.898641  [   98.038517] Backtrace: 

 4569 07:27:50.898959  [   98.041028] [<c137df4c>] (dump_backtrace) from [<c137e30c>] (show_stack+0x20/0x24)

 4570 07:27:50.940689  [   98.048633]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8

 4571 07:27:50.941226  [   98.054333] [<c137e2ec>] (show_stack) from [<c1385568>] (dump_stack+0xe0/0x100)

 4572 07:27:50.941552  [   98.061686] [<c1385488>] (dump_stack) from [<c0356820>] (__warn+0x98/0x14c)

 4573 07:27:50.941852  [   98.068679]  r9:00000009 r8:c087395c r7:00000013 r6:00000009 r5:c087395c r4:c1a212e0

 4574 07:27:50.942171  [   98.076460] [<c0356788>] (__warn) from [<c137f448>] (warn_slowpath_fmt+0x8c/0xa8)

 4575 07:27:50.942475  [   98.083968]  r7:00000013 r6:c1a212e0 r5:c1a212b8 r4:c5c6c000

 4576 07:27:50.983992  [   98.089665] [<c137f3c0>] (warn_slowpath_fmt) from [<c087395c>] (refcount_warn_saturate+0xa0/0x174)

 4577 07:27:50.984532  [   98.098656]  r9:c1acd3dc r8:c15e8cf8 r7:c5c6df60 r6:00000020 r5:c6c10000 r4:c0000000

 4578 07:27:50.984886  [   98.106446] [<c08738bc>] (refcount_warn_saturate) from [<c138bff8>] (__refcount_add_not_zero.constprop.0+0x64/0x78)

 4579 07:27:50.985216  [   98.116926] [<c138bf94>] (__refcount_add_not_zero.constprop.0) from [<c138c7f4>] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x50/0x88)

 4580 07:27:50.985529  [   98.128685]  r5:c6c10000 r4:c5c6c000

 4581 07:27:51.027289  [   98.132302] [<c138c7a4>] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED) from [<c0c54374>] (lkdtm_do_action+0x2c/0x4c)

 4582 07:27:51.027823  [   98.142321]  r4:00000038

 4583 07:27:51.028177  [   98.144887] [<c0c54348>] (lkdtm_do_action) from [<c0c54874>] (direct_entry+0x120/0x18c)

 4584 07:27:51.028506  [   98.152933] [<c0c54754>] (direct_entry) from [<c07e03d4>] (full_proxy_write+0x64/0x94)

 4585 07:27:51.028820  [   98.160881]  r9:c5c6df60 r8:c3082240 r7:00000020 r6:b6eab000 r5:c5fcd040 r4:c0c54754

 4586 07:27:51.029128  [   98.168667] [<c07e0370>] (full_proxy_write) from [<c059ac40>] (vfs_write+0x10c/0x53c)

 4587 07:27:51.070990  [   98.176527]  r9:c07e0370 r8:c5c6df60 r7:c2815800 r6:b6eab000 r5:c5fcd040 r4:00000000

 4588 07:27:51.071521  [   98.184302] [<c059ab34>] (vfs_write) from [<c059b1ec>] (ksys_write+0x74/0xec)

 4589 07:27:51.071872  [   98.191468]  r10:00000004 r9:00000000 r8:00000000 r7:b6eab000 r6:c5c6c000 r5:c5fcd040

 4590 07:27:51.072197  [   98.199316]  r4:c5fcd040

 4591 07:27:51.072507  [   98.201882] [<c059b178>] (ksys_write) from [<c059b27c>] (sys_write+0x18/0x1c)

 4592 07:27:51.072816  [   98.209048]  r9:c5c6c000 r8:c03002e4 r7:00000004 r6:b6ff2e00 r5:00000020 r4:00000020

 4593 07:27:51.115017  [   98.216827] [<c059b264>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 4594 07:27:51.115554  [   98.224419] Exception stack(0xc5c6dfa8 to 0xc5c6dff0)

 4595 07:27:51.115919  [   98.229502] dfa0:                   00000020 00000020 00000001 b6eab000 00000020 00000000

 4596 07:27:51.116244  [   98.237712] dfc0: 00000020 00000020 b6ff2e00 00000004 00000001 00000000 00020000 bec31ac4

 4597 07:27:51.116559  [   98.245915] dfe0: 00000004 bec317f8 b6f5cd8f b6ee37e6

 4598 07:27:51.116864  [   98.251156] irq event stamp: 0

 4599 07:27:51.117162  [   98.254262] hardirqs last  enabled at (0): [<00000000>] 0x0

 4600 07:27:51.117458  [   98.259954] hardirqs last disabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 4601 07:27:51.158663  [   98.267546] softirqs last  enabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 4602 07:27:51.158748  [   98.275074] softirqs last disabled at (0): [<00000000>] 0x0

 4603 07:27:51.158873  [   98.280740] ---[ end trace eec2cb921daffbd9 ]---

 4604 07:27:51.158950  [   98.285397] lkdtm: Saturation detected: still saturated

 4605 07:27:51.358164  # [   97.962621] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED

 4606 07:27:51.358737  # [   97.969657] lkdtm: attempting bad refcount_inc_not_zero() from saturated

 4607 07:27:51.359097  # [   97.976398] ------------[ cut here ]------------

 4608 07:27:51.359425  # [   97.981203] WARNING: CPU: 1 PID: 3027 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174

 4609 07:27:51.359742  # [   97.989783] refcount_t: saturated; leaking memory.

 4610 07:27:51.401165  # [   97.994613] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3

 4611 07:27:51.401714  # [   98.024196] CPU: 1 PID: 3027 Comm: cat Tainted: G      D W         5.10.180-cip33 #1

 4612 07:27:51.402071  # [   98.031967] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 4613 07:27:51.402397  # [   98.038517] Backtrace: 

 4614 07:27:51.402766  # [   98.041028] [<c137df4c>] (dump_backtrace) from [<c137e30c>] (show_stack+0x20/0x24)

 4615 07:27:51.444242  # [   98.048633]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8

 4616 07:27:51.444776  # [   98.054333] [<c137e2ec>] (show_stack) from [<c1385568>] (dump_stack+0xe0/0x100)

 4617 07:27:51.445130  # [   98.061686] [<c1385488>] (dump_stack) from [<c0356820>] (__warn+0x98/0x14c)

 4618 07:27:51.445459  # [   98.068679]  r9:00000009 r8:c087395c r7:00000013 r6:00000009 r5:c087395c r4:c1a212e0

 4619 07:27:51.445773  # [   98.076460] [<c0356788>] (__warn) from [<c137f448>] (warn_slowpath_fmt+0x8c/0xa8)

 4620 07:27:51.446082  # [   98.083968]  r7:00000013 r6:c1a212e0 r5:c1a212b8 r4:c5c6c000

 4621 07:27:51.487104  # [   98.089665] [<c137f3c0>] (warn_slowpath_fmt) from [<c087395c>] (refcount_warn_saturate+0xa0/0x174)

 4622 07:27:51.487592  # [   98.098656]  r9:c1acd3dc r8:c15e8cf8 r7:c5c6df60 r6:00000020 r5:c6c10000 r4:c0000000

 4623 07:27:51.487931  # [   98.106446] [<c08738bc>] (refcount_warn_saturate) from [<c138bff8>] (__refcount_add_not_zero.constprop.0+0x64/0x78)

 4624 07:27:51.488239  # [   98.116926] [<c138bf94>] (__refcount_add_not_zero.constprop.0) from [<c138c7f4>] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x50/0x88)

 4625 07:27:51.488533  # [   98.128685]  r5:c6c10000 r4:c5c6c000

 4626 07:27:51.535167  # [   98.132302] [<c138c7a4>] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED) from [<c0c54374>] (lkdtm_do_action+0x2c/0x4c)

 4627 07:27:51.535684  # [   98.142321]  r4:00000038

 4628 07:27:51.536025  # [   98.144887] [<c0c54348>] (lkdtm_do_action) from [<c0c54874>] (direct_entry+0x120/0x18c)

 4629 07:27:51.536328  # [   98.152933] [<c0c54754>] (direct_entry) from [<c07e03d4>] (full_proxy_write+0x64/0x94)

 4630 07:27:51.536619  # [   98.160881]  r9:c5c6df60 r8:c3082240 r7:00000020 r6:b6eab000 r5:c5fcd040 r4:c0c54754

 4631 07:27:51.579044  # [   98.168667] [<c07e0370>] (full_proxy_write) from [<c059ac40>] (vfs_write+0x10c/0x53c)

 4632 07:27:51.579549  # [   98.176527]  r9:c07e0370 r8:c5c6df60 r7:c2815800 r6:b6eab000 r5:c5fcd040 r4:00000000

 4633 07:27:51.579882  # [   98.184302] [<c059ab34>] (vfs_write) from [<c059b1ec>] (ksys_write+0x74/0xec)

 4634 07:27:51.580183  # [   98.191468]  r10:00000004 r9:00000000 r8:00000000 r7:b6eab000 r6:c5c6c000 r5:c5fcd040

 4635 07:27:51.580470  # [   98.199316]  r4:c5fcd040

 4636 07:27:51.580753  # [   98.201882] [<c059b178>] (ksys_write) from [<c059b27c>] (sys_write+0x18/0x1c)

 4637 07:27:51.581032  # [   98.209048]  r9:c5c6c000 r8:c03002e4 r7:00000004 r6:b6ff2e00 r5:00000020 r4:00000020

 4638 07:27:51.622835  # [   98.216827] [<c059b264>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 4639 07:27:51.623010  # [   98.224419] Exception stack(0xc5c6dfa8 to 0xc5c6dff0)

 4640 07:27:51.623082  # [   98.229502] dfa0:                   00000020 00000020 00000001 b6eab000 00000020 00000000

 4641 07:27:51.623150  # [   98.237712] dfc0: 00000020 00000020 b6ff2e00 00000004 00000001 00000000 00020000 bec31ac4

 4642 07:27:51.623214  # [   98.245915] dfe0: 00000004 bec317f8 b6f5cd8f b6ee37e6

 4643 07:27:51.623277  # [   98.251156] irq event stamp: 0

 4644 07:27:51.623337  # [   98.254262] hardirqs last  enabled at (0): [<00000000>] 0x0

 4645 07:27:51.667068  # [   98.259954] hardirqs last disabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 4646 07:27:51.667284  # [   98.267546] softirqs last  enabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 4647 07:27:51.667408  # [   98.275074] softirqs last disabled at (0): [<00000000>] 0x0

 4648 07:27:51.667519  # [   98.280740] ---[ end trace eec2cb921daffbd9 ]---

 4649 07:27:51.667626  # [   98.285397] lkdtm: Saturation detected: still saturated

 4650 07:27:51.667729  # REFCOUNT_INC_NOT_ZERO_SATURATED: missing 'call trace:': [FAIL]

 4651 07:27:51.667827  not ok 55 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh # exit=1

 4652 07:27:51.711270  # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh

 4653 07:27:51.799184  [   98.908102] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED

 4654 07:27:51.799469  [   98.915077] lkdtm: attempting bad refcount_add_not_zero() from saturated

 4655 07:27:51.799641  [   98.921967] ------------[ cut here ]------------

 4656 07:27:51.799800  [   98.926652] WARNING: CPU: 1 PID: 3061 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174

 4657 07:27:51.799950  [   98.935201] refcount_t: saturated; leaking memory.

 4658 07:27:51.842941  [   98.940093] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3

 4659 07:27:51.843429  [   98.969724] CPU: 1 PID: 3061 Comm: cat Tainted: G      D W         5.10.180-cip33 #1

 4660 07:27:51.843729  [   98.977497] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 4661 07:27:51.844002  [   98.984047] Backtrace: 

 4662 07:27:51.844260  [   98.986561] [<c137df4c>] (dump_backtrace) from [<c137e30c>] (show_stack+0x20/0x24)

 4663 07:27:51.886836  [   98.994165]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8

 4664 07:27:51.887000  [   98.999867] [<c137e2ec>] (show_stack) from [<c1385568>] (dump_stack+0xe0/0x100)

 4665 07:27:51.887076  [   99.007221] [<c1385488>] (dump_stack) from [<c0356820>] (__warn+0x98/0x14c)

 4666 07:27:51.887148  [   99.014215]  r9:00000009 r8:c087395c r7:00000013 r6:00000009 r5:c087395c r4:c1a212e0

 4667 07:27:51.887214  [   99.021996] [<c0356788>] (__warn) from [<c137f448>] (warn_slowpath_fmt+0x8c/0xa8)

 4668 07:27:51.887277  [   99.029506]  r7:00000013 r6:c1a212e0 r5:c1a212b8 r4:c5c5e000

 4669 07:27:51.930956  [   99.035202] [<c137f3c0>] (warn_slowpath_fmt) from [<c087395c>] (refcount_warn_saturate+0xa0/0x174)

 4670 07:27:51.931163  [   99.044193]  r9:c1acd3fc r8:c15e8cf8 r7:c5c5ff60 r6:00000020 r5:c6c29000 r4:c0000000

 4671 07:27:51.931275  [   99.051983] [<c08738bc>] (refcount_warn_saturate) from [<c138bff8>] (__refcount_add_not_zero.constprop.0+0x64/0x78)

 4672 07:27:51.931375  [   99.062463] [<c138bf94>] (__refcount_add_not_zero.constprop.0) from [<c138c87c>] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x50/0x88)

 4673 07:27:51.931471  [   99.074223]  r5:c6c29000 r4:c5c5e000

 4674 07:27:51.975107  [   99.077839] [<c138c82c>] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED) from [<c0c54374>] (lkdtm_do_action+0x2c/0x4c)

 4675 07:27:51.975544  [   99.087859]  r4:00000039

 4676 07:27:51.975829  [   99.090424] [<c0c54348>] (lkdtm_do_action) from [<c0c54874>] (direct_entry+0x120/0x18c)

 4677 07:27:51.976088  [   99.098469] [<c0c54754>] (direct_entry) from [<c07e03d4>] (full_proxy_write+0x64/0x94)

 4678 07:27:51.976332  [   99.106417]  r9:c5c5ff60 r8:c3082240 r7:00000020 r6:b6df4000 r5:c5fcc3c0 r4:c0c54754

 4679 07:27:51.976570  [   99.114203] [<c07e0370>] (full_proxy_write) from [<c059ac40>] (vfs_write+0x10c/0x53c)

 4680 07:27:52.019177  [   99.122063]  r9:c07e0370 r8:c5c5ff60 r7:c2815800 r6:b6df4000 r5:c5fcc3c0 r4:00000000

 4681 07:27:52.019680  [   99.129841] [<c059ab34>] (vfs_write) from [<c059b1ec>] (ksys_write+0x74/0xec)

 4682 07:27:52.020017  [   99.137008]  r10:00000004 r9:00000000 r8:00000000 r7:b6df4000 r6:c5c5e000 r5:c5fcc3c0

 4683 07:27:52.020323  [   99.144856]  r4:c5fcc3c0

 4684 07:27:52.020614  [   99.147423] [<c059b178>] (ksys_write) from [<c059b27c>] (sys_write+0x18/0x1c)

 4685 07:27:52.020904  [   99.154591]  r9:c5c5e000 r8:c03002e4 r7:00000004 r6:b6f3be00 r5:00000020 r4:00000020

 4686 07:27:52.063207  [   99.162369] [<c059b264>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 4687 07:27:52.063745  [   99.169964] Exception stack(0xc5c5ffa8 to 0xc5c5fff0)

 4688 07:27:52.064102  [   99.175047] ffa0:                   00000020 00000020 00000001 b6df4000 00000020 00000000

 4689 07:27:52.064430  [   99.183256] ffc0: 00000020 00000020 b6f3be00 00000004 00000001 00000000 00020000 beaaeac4

 4690 07:27:52.064742  [   99.191459] ffe0: 00000004 beaae7f8 b6ea5d8f b6e2c7e6

 4691 07:27:52.065052  [   99.196668] irq event stamp: 0

 4692 07:27:52.065353  [   99.199832] hardirqs last  enabled at (0): [<00000000>] 0x0

 4693 07:27:52.065650  [   99.205459] hardirqs last disabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 4694 07:27:52.106761  [   99.213046] softirqs last  enabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 4695 07:27:52.106918  [   99.220632] softirqs last disabled at (0): [<00000000>] 0x0

 4696 07:27:52.106984  [   99.226245] ---[ end trace eec2cb921daffbda ]---

 4697 07:27:52.107047  [   99.230978] lkdtm: Saturation detected: still saturated

 4698 07:27:52.300051  # [   98.908102] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED

 4699 07:27:52.300581  # [   98.915077] lkdtm: attempting bad refcount_add_not_zero() from saturated

 4700 07:27:52.300932  # [   98.921967] ------------[ cut here ]------------

 4701 07:27:52.301260  # [   98.926652] WARNING: CPU: 1 PID: 3061 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174

 4702 07:27:52.301577  # [   98.935201] refcount_t: saturated; leaking memory.

 4703 07:27:52.343383  # [   98.940093] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3

 4704 07:27:52.343933  # [   98.969724] CPU: 1 PID: 3061 Comm: cat Tainted: G      D W         5.10.180-cip33 #1

 4705 07:27:52.344290  # [   98.977497] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 4706 07:27:52.344617  # [   98.984047] Backtrace: 

 4707 07:27:52.344930  # [   98.986561] [<c137df4c>] (dump_backtrace) from [<c137e30c>] (show_stack+0x20/0x24)

 4708 07:27:52.387052  # [   98.994165]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8

 4709 07:27:52.387587  # [   98.999867] [<c137e2ec>] (show_stack) from [<c1385568>] (dump_stack+0xe0/0x100)

 4710 07:27:52.387948  # [   99.007221] [<c1385488>] (dump_stack) from [<c0356820>] (__warn+0x98/0x14c)

 4711 07:27:52.388273  # [   99.014215]  r9:00000009 r8:c087395c r7:00000013 r6:00000009 r5:c087395c r4:c1a212e0

 4712 07:27:52.388587  # [   99.021996] [<c0356788>] (__warn) from [<c137f448>] (warn_slowpath_fmt+0x8c/0xa8)

 4713 07:27:52.388894  # [   99.029506]  r7:00000013 r6:c1a212e0 r5:c1a212b8 r4:c5c5e000

 4714 07:27:52.431005  # [   99.035202] [<c137f3c0>] (warn_slowpath_fmt) from [<c087395c>] (refcount_warn_saturate+0xa0/0x174)

 4715 07:27:52.431513  # [   99.044193]  r9:c1acd3fc r8:c15e8cf8 r7:c5c5ff60 r6:00000020 r5:c6c29000 r4:c0000000

 4716 07:27:52.431850  # [   99.051983] [<c08738bc>] (refcount_warn_saturate) from [<c138bff8>] (__refcount_add_not_zero.constprop.0+0x64/0x78)

 4717 07:27:52.432160  # [   99.062463] [<c138bf94>] (__refcount_add_not_zero.constprop.0) from [<c138c87c>] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x50/0x88)

 4718 07:27:52.432451  # [   99.074223]  r5:c6c29000 r4:c5c5e000

 4719 07:27:52.475026  # [   99.077839] [<c138c82c>] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED) from [<c0c54374>] (lkdtm_do_action+0x2c/0x4c)

 4720 07:27:52.475529  # [   99.087859]  r4:00000039

 4721 07:27:52.475861  # [   99.090424] [<c0c54348>] (lkdtm_do_action) from [<c0c54874>] (direct_entry+0x120/0x18c)

 4722 07:27:52.476166  # [   99.098469] [<c0c54754>] (direct_entry) from [<c07e03d4>] (full_proxy_write+0x64/0x94)

 4723 07:27:52.476455  # [   99.106417]  r9:c5c5ff60 r8:c3082240 r7:00000020 r6:b6df4000 r5:c5fcc3c0 r4:c0c54754

 4724 07:27:52.476738  # [   99.114203] [<c07e0370>] (full_proxy_write) from [<c059ac40>] (vfs_write+0x10c/0x53c)

 4725 07:27:52.519030  # [   99.122063]  r9:c07e0370 r8:c5c5ff60 r7:c2815800 r6:b6df4000 r5:c5fcc3c0 r4:00000000

 4726 07:27:52.519549  # [   99.129841] [<c059ab34>] (vfs_write) from [<c059b1ec>] (ksys_write+0x74/0xec)

 4727 07:27:52.519894  # [   99.137008]  r10:00000004 r9:00000000 r8:00000000 r7:b6df4000 r6:c5c5e000 r5:c5fcc3c0

 4728 07:27:52.520196  # [   99.144856]  r4:c5fcc3c0

 4729 07:27:52.520481  # [   99.147423] [<c059b178>] (ksys_write) from [<c059b27c>] (sys_write+0x18/0x1c)

 4730 07:27:52.520762  # [   99.154591]  r9:c5c5e000 r8:c03002e4 r7:00000004 r6:b6f3be00 r5:00000020 r4:00000020

 4731 07:27:52.563190  # [   99.162369] [<c059b264>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 4732 07:27:52.563694  # [   99.169964] Exception stack(0xc5c5ffa8 to 0xc5c5fff0)

 4733 07:27:52.564027  # [   99.175047] ffa0:                   00000020 00000020 00000001 b6df4000 00000020 00000000

 4734 07:27:52.564331  # [   99.183256] ffc0: 00000020 00000020 b6f3be00 00000004 00000001 00000000 00020000 beaaeac4

 4735 07:27:52.564618  # [   99.191459] ffe0: 00000004 beaae7f8 b6ea5d8f b6e2c7e6

 4736 07:27:52.564899  # [   99.196668] irq event stamp: 0

 4737 07:27:52.565178  # [   99.199832] hardirqs last  enabled at (0): [<00000000>] 0x0

 4738 07:27:52.607178  # [   99.205459] hardirqs last disabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 4739 07:27:52.607729  # [   99.213046] softirqs last  enabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 4740 07:27:52.608095  # [   99.220632] softirqs last disabled at (0): [<00000000>] 0x0

 4741 07:27:52.608424  # [   99.226245] ---[ end trace eec2cb921daffbda ]---

 4742 07:27:52.608740  # [   99.230978] lkdtm: Saturation detected: still saturated

 4743 07:27:52.609049  # REFCOUNT_ADD_NOT_ZERO_SATURATED: missing 'call trace:': [FAIL]

 4744 07:27:52.609354  not ok 56 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh # exit=1

 4745 07:27:52.651061  # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh

 4746 07:27:52.750839  [   99.860236] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED

 4747 07:27:52.751161  [   99.867242] lkdtm: attempting bad refcount_dec_and_test() from saturated

 4748 07:27:52.751364  [   99.873981] ------------[ cut here ]------------

 4749 07:27:52.751547  [   99.878694] WARNING: CPU: 3 PID: 3098 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174

 4750 07:27:52.751719  [   99.887295] refcount_t: underflow; use-after-free.

 4751 07:27:52.795041  [   99.892101] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3

 4752 07:27:52.795560  [   99.921349] CPU: 3 PID: 3098 Comm: cat Tainted: G      D W         5.10.180-cip33 #1

 4753 07:27:52.795904  [   99.929103] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 4754 07:27:52.796210  [   99.935639] Backtrace: 

 4755 07:27:52.796500  [   99.938118] [<c137df4c>] (dump_backtrace) from [<c137e30c>] (show_stack+0x20/0x24)

 4756 07:27:52.839169  [   99.945700]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8

 4757 07:27:52.839671  [   99.951378] [<c137e2ec>] (show_stack) from [<c1385568>] (dump_stack+0xe0/0x100)

 4758 07:27:52.840033  [   99.958708] [<c1385488>] (dump_stack) from [<c0356820>] (__warn+0x98/0x14c)

 4759 07:27:52.840362  [   99.965684]  r9:00000009 r8:c08739f8 r7:0000001c r6:00000009 r5:c08739f8 r4:c1a212e0

 4760 07:27:52.840677  [   99.973443] [<c0356788>] (__warn) from [<c137f448>] (warn_slowpath_fmt+0x8c/0xa8)

 4761 07:27:52.840998  [   99.980935]  r7:0000001c r6:c1a212e0 r5:c1a2131c r4:c6852000

 4762 07:27:52.883188  [   99.986610] [<c137f3c0>] (warn_slowpath_fmt) from [<c08739f8>] (refcount_warn_saturate+0x13c/0x174)

 4763 07:27:52.883729  [   99.995669]  r9:c1acd41c r8:c15e8cf8 r7:c6853f60 r6:00000020 r5:c6bf9000 r4:c6852000

 4764 07:27:52.884095  [  100.003431] [<c08738bc>] (refcount_warn_saturate) from [<c0c55470>] (__refcount_sub_and_test.constprop.0+0x64/0x6c)

 4765 07:27:52.884426  [  100.013889] [<c0c5540c>] (__refcount_sub_and_test.constprop.0) from [<c138c904>] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x50/0x88)

 4766 07:27:52.927176  [  100.025644] [<c138c8b4>] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED) from [<c0c54374>] (lkdtm_do_action+0x2c/0x4c)

 4767 07:27:52.927712  [  100.035652]  r4:0000003a

 4768 07:27:52.928071  [  100.038199] [<c0c54348>] (lkdtm_do_action) from [<c0c54874>] (direct_entry+0x120/0x18c)

 4769 07:27:52.928396  [  100.046220] [<c0c54754>] (direct_entry) from [<c07e03d4>] (full_proxy_write+0x64/0x94)

 4770 07:27:52.928710  [  100.054148]  r9:c6853f60 r8:c3082240 r7:00000020 r6:b6e64000 r5:c5e13680 r4:c0c54754

 4771 07:27:52.929018  [  100.061910] [<c07e0370>] (full_proxy_write) from [<c059ac40>] (vfs_write+0x10c/0x53c)

 4772 07:27:52.971190  [  100.069752]  r9:c07e0370 r8:c6853f60 r7:c2815800 r6:b6e64000 r5:c5e13680 r4:00000000

 4773 07:27:52.971696  [  100.077508] [<c059ab34>] (vfs_write) from [<c059b1ec>] (ksys_write+0x74/0xec)

 4774 07:27:52.972065  [  100.084655]  r10:00000004 r9:00000000 r8:00000000 r7:b6e64000 r6:c6852000 r5:c5e13680

 4775 07:27:52.972392  [  100.092492]  r4:c5e13680

 4776 07:27:52.972706  [  100.095037] [<c059b178>] (ksys_write) from [<c059b27c>] (sys_write+0x18/0x1c)

 4777 07:27:52.973016  [  100.102185]  r9:c6852000 r8:c03002e4 r7:00000004 r6:b6fabe00 r5:00000020 r4:00000020

 4778 07:27:52.973317  [  100.109943] [<c059b264>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 4779 07:27:53.015063  [  100.117520] Exception stack(0xc6853fa8 to 0xc6853ff0)

 4780 07:27:53.015640  [  100.122583] 3fa0:                   00000020 00000020 00000001 b6e64000 00000020 00000000

 4781 07:27:53.016024  [  100.130775] 3fc0: 00000020 00000020 b6fabe00 00000004 00000001 00000000 00020000 be978ac4

 4782 07:27:53.016420  [  100.138960] 3fe0: 00000004 be9787f8 b6f15d8f b6e9c7e6

 4783 07:27:53.016815  [  100.144103] irq event stamp: 0

 4784 07:27:53.017188  [  100.147210] hardirqs last  enabled at (0): [<00000000>] 0x0

 4785 07:27:53.017598  [  100.152809] hardirqs last disabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 4786 07:27:53.059137  [  100.160359] softirqs last  enabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 4787 07:27:53.059609  [  100.167930] softirqs last disabled at (0): [<00000000>] 0x0

 4788 07:27:53.059945  [  100.173526] ---[ end trace eec2cb921daffbdb ]---

 4789 07:27:53.060240  [  100.178192] lkdtm: Saturation detected: still saturated

 4790 07:27:53.217135  # [   99.860236] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED

 4791 07:27:53.217635  # [   99.867242] lkdtm: attempting bad refcount_dec_and_test() from saturated

 4792 07:27:53.217954  # [   99.873981] ------------[ cut here ]------------

 4793 07:27:53.218250  # [   99.878694] WARNING: CPU: 3 PID: 3098 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174

 4794 07:27:53.218572  # [   99.887295] refcount_t: underflow; use-after-free.

 4795 07:27:53.260239  # [   99.892101] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3

 4796 07:27:53.260786  # [   99.921349] CPU: 3 PID: 3098 Comm: cat Tainted: G      D W         5.10.180-cip33 #1

 4797 07:27:53.261132  # [   99.929103] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 4798 07:27:53.261455  # [   99.935639] Backtrace: 

 4799 07:27:53.307011  # [   99.938118] [<c137df4c>] (dump_backtrace) from [<c137e30c>] (show_stack+0x20/0x24)

 4800 07:27:53.307505  # [   99.945700]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8

 4801 07:27:53.307819  # [   99.951378] [<c137e2ec>] (show_stack) from [<c1385568>] (dump_stack+0xe0/0x100)

 4802 07:27:53.308113  # [   99.958708] [<c1385488>] (dump_stack) from [<c0356820>] (__warn+0x98/0x14c)

 4803 07:27:53.308397  # [   99.965684]  r9:00000009 r8:c08739f8 r7:0000001c r6:00000009 r5:c08739f8 r4:c1a212e0

 4804 07:27:53.308678  # [   99.973443] [<c0356788>] (__warn) from [<c137f448>] (warn_slowpath_fmt+0x8c/0xa8)

 4805 07:27:53.308949  # [   99.980935]  r7:0000001c r6:c1a212e0 r5:c1a2131c r4:c6852000

 4806 07:27:53.351000  # [   99.986610] [<c137f3c0>] (warn_slowpath_fmt) from [<c08739f8>] (refcount_warn_saturate+0x13c/0x174)

 4807 07:27:53.351473  # [   99.995669]  r9:c1acd41c r8:c15e8cf8 r7:c6853f60 r6:00000020 r5:c6bf9000 r4:c6852000

 4808 07:27:53.351843  # [  100.003431] [<c08738bc>] (refcount_warn_saturate) from [<c0c55470>] (__refcount_sub_and_test.constprop.0+0x64/0x6c)

 4809 07:27:53.352169  # [  100.013889] [<c0c5540c>] (__refcount_sub_and_test.constprop.0) from [<c138c904>] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x50/0x88)

 4810 07:27:53.395024  # [  100.025644] [<c138c8b4>] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED) from [<c0c54374>] (lkdtm_do_action+0x2c/0x4c)

 4811 07:27:53.395493  # [  100.035652]  r4:0000003a

 4812 07:27:53.395801  # [  100.038199] [<c0c54348>] (lkdtm_do_action) from [<c0c54874>] (direct_entry+0x120/0x18c)

 4813 07:27:53.396113  # [  100.046220] [<c0c54754>] (direct_entry) from [<c07e03d4>] (full_proxy_write+0x64/0x94)

 4814 07:27:53.396397  # [  100.054148]  r9:c6853f60 r8:c3082240 r7:00000020 r6:b6e64000 r5:c5e13680 r4:c0c54754

 4815 07:27:53.396677  # [  100.061910] [<c07e0370>] (full_proxy_write) from [<c059ac40>] (vfs_write+0x10c/0x53c)

 4816 07:27:53.438972  # [  100.069752]  r9:c07e0370 r8:c6853f60 r7:c2815800 r6:b6e64000 r5:c5e13680 r4:00000000

 4817 07:27:53.439515  # [  100.077508] [<c059ab34>] (vfs_write) from [<c059b1ec>] (ksys_write+0x74/0xec)

 4818 07:27:53.439882  # [  100.084655]  r10:00000004 r9:00000000 r8:00000000 r7:b6e64000 r6:c6852000 r5:c5e13680

 4819 07:27:53.440204  # [  100.092492]  r4:c5e13680

 4820 07:27:53.440489  # [  100.095037] [<c059b178>] (ksys_write) from [<c059b27c>] (sys_write+0x18/0x1c)

 4821 07:27:53.440770  # [  100.102185]  r9:c6852000 r8:c03002e4 r7:00000004 r6:b6fabe00 r5:00000020 r4:00000020

 4822 07:27:53.483039  # [  100.109943] [<c059b264>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 4823 07:27:53.483543  # [  100.117520] Exception stack(0xc6853fa8 to 0xc6853ff0)

 4824 07:27:53.483874  # [  100.122583] 3fa0:                   00000020 00000020 00000001 b6e64000 00000020 00000000

 4825 07:27:53.484168  # [  100.130775] 3fc0: 00000020 00000020 b6fabe00 00000004 00000001 00000000 00020000 be978ac4

 4826 07:27:53.484447  # [  100.138960] 3fe0: 00000004 be9787f8 b6f15d8f b6e9c7e6

 4827 07:27:53.484721  # [  100.144103] irq event stamp: 0

 4828 07:27:53.484989  # [  100.147210] hardirqs last  enabled at (0): [<00000000>] 0x0

 4829 07:27:53.527289  # [  100.152809] hardirqs last disabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 4830 07:27:53.527790  # [  100.160359] softirqs last  enabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 4831 07:27:53.528119  # [  100.167930] softirqs last disabled at (0): [<00000000>] 0x0

 4832 07:27:53.528413  # [  100.173526] ---[ end trace eec2cb921daffbdb ]---

 4833 07:27:53.528695  # [  100.178192] lkdtm: Saturation detected: still saturated

 4834 07:27:53.528973  # REFCOUNT_DEC_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok

 4835 07:27:53.529244  ok 57 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh

 4836 07:27:53.571184  # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh

 4837 07:27:53.673687  [  100.778736] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED

 4838 07:27:53.673940  [  100.785638] lkdtm: attempting bad refcount_sub_and_test() from saturated

 4839 07:27:53.674088  [  100.792433] ------------[ cut here ]------------

 4840 07:27:53.674226  [  100.797133] WARNING: CPU: 1 PID: 3133 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174

 4841 07:27:53.674357  [  100.805674] refcount_t: underflow; use-after-free.

 4842 07:27:53.717267  [  100.810529] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3

 4843 07:27:53.717780  [  100.839774] CPU: 1 PID: 3133 Comm: cat Tainted: G      D W         5.10.180-cip33 #1

 4844 07:27:53.718105  [  100.847528] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 4845 07:27:53.718401  [  100.854062] Backtrace: 

 4846 07:27:53.718712  [  100.856540] [<c137df4c>] (dump_backtrace) from [<c137e30c>] (show_stack+0x20/0x24)

 4847 07:27:53.718996  [  100.864123]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8

 4848 07:27:53.760365  [  100.869800] [<c137e2ec>] (show_stack) from [<c1385568>] (dump_stack+0xe0/0x100)

 4849 07:27:53.760887  [  100.877128] [<c1385488>] (dump_stack) from [<c0356820>] (__warn+0x98/0x14c)

 4850 07:27:53.761238  [  100.884101]  r9:00000009 r8:c08739f8 r7:0000001c r6:00000009 r5:c08739f8 r4:c1a212e0

 4851 07:27:53.761563  [  100.891858] [<c0356788>] (__warn) from [<c137f448>] (warn_slowpath_fmt+0x8c/0xa8)

 4852 07:27:53.761872  [  100.899353]  r7:0000001c r6:c1a212e0 r5:c1a2131c r4:c6908000

 4853 07:27:53.803497  [  100.905028] [<c137f3c0>] (warn_slowpath_fmt) from [<c08739f8>] (refcount_warn_saturate+0x13c/0x174)

 4854 07:27:53.804033  [  100.914085]  r9:c1acd43c r8:c15e8cf8 r7:c6909f60 r6:00000020 r5:c4674000 r4:c6908000

 4855 07:27:53.804381  [  100.921848] [<c08738bc>] (refcount_warn_saturate) from [<c0c55470>] (__refcount_sub_and_test.constprop.0+0x64/0x6c)

 4856 07:27:53.804702  [  100.932305] [<c0c5540c>] (__refcount_sub_and_test.constprop.0) from [<c138c98c>] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x50/0x88)

 4857 07:27:53.805014  [  100.944059] [<c138c93c>] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED) from [<c0c54374>] (lkdtm_do_action+0x2c/0x4c)

 4858 07:27:53.805314  [  100.954066]  r4:0000003b

 4859 07:27:53.847039  [  100.956613] [<c0c54348>] (lkdtm_do_action) from [<c0c54874>] (direct_entry+0x120/0x18c)

 4860 07:27:53.847572  [  100.964636] [<c0c54754>] (direct_entry) from [<c07e03d4>] (full_proxy_write+0x64/0x94)

 4861 07:27:53.847921  [  100.972567]  r9:c6909f60 r8:c3082240 r7:00000020 r6:b6dcd000 r5:c6ad0500 r4:c0c54754

 4862 07:27:53.848245  [  100.980330] [<c07e0370>] (full_proxy_write) from [<c059ac40>] (vfs_write+0x10c/0x53c)

 4863 07:27:53.848551  [  100.988172]  r9:c07e0370 r8:c6909f60 r7:c2815800 r6:b6dcd000 r5:c6ad0500 r4:00000000

 4864 07:27:53.891039  [  100.995927] [<c059ab34>] (vfs_write) from [<c059b1ec>] (ksys_write+0x74/0xec)

 4865 07:27:53.891576  [  101.003074]  r10:00000004 r9:00000000 r8:00000000 r7:b6dcd000 r6:c6908000 r5:c6ad0500

 4866 07:27:53.891934  [  101.010910]  r4:c6ad0500

 4867 07:27:53.892252  [  101.013457] [<c059b178>] (ksys_write) from [<c059b27c>] (sys_write+0x18/0x1c)

 4868 07:27:53.892560  [  101.020606]  r9:c6908000 r8:c03002e4 r7:00000004 r6:b6f14e00 r5:00000020 r4:00000020

 4869 07:27:53.892859  [  101.028366] [<c059b264>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 4870 07:27:53.893152  [  101.035943] Exception stack(0xc6909fa8 to 0xc6909ff0)

 4871 07:27:53.935053  [  101.041007] 9fa0:                   00000020 00000020 00000001 b6dcd000 00000020 00000000

 4872 07:27:53.935992  [  101.049198] 9fc0: 00000020 00000020 b6f14e00 00000004 00000001 00000000 00020000 bedc0ac4

 4873 07:27:53.936604  [  101.057385] 9fe0: 00000004 bedc07f8 b6e7ed8f b6e057e6

 4874 07:27:53.937186  [  101.062522] irq event stamp: 0

 4875 07:27:53.937889  [  101.065599] hardirqs last  enabled at (0): [<00000000>] 0x0

 4876 07:27:53.938595  [  101.071229] hardirqs last disabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 4877 07:27:53.939107  [  101.078781] softirqs last  enabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 4878 07:27:53.979135  [  101.086311] softirqs last disabled at (0): [<00000000>] 0x0

 4879 07:27:53.979604  [  101.091961] ---[ end trace eec2cb921daffbdc ]---

 4880 07:27:53.979938  [  101.096620] lkdtm: Saturation detected: still saturated

 4881 07:27:54.131203  # [  100.778736] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED

 4882 07:27:54.131740  # [  100.785638] lkdtm: attempting bad refcount_sub_and_test() from saturated

 4883 07:27:54.132091  # [  100.792433] ------------[ cut here ]------------

 4884 07:27:54.132415  # [  100.797133] WARNING: CPU: 1 PID: 3133 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174

 4885 07:27:54.132731  # [  100.805674] refcount_t: underflow; use-after-free.

 4886 07:27:54.175035  # [  100.810529] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core ac97_bus phy_generic snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx dw_hdmi parallel_display etnaviv imxdrm gpu_sched imx_ipu_v3

 4887 07:27:54.175586  # [  100.839774] CPU: 1 PID: 3133 Comm: cat Tainted: G      D W         5.10.180-cip33 #1

 4888 07:27:54.175977  # [  100.847528] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 4889 07:27:54.176314  # [  100.854062] Backtrace: 

 4890 07:27:54.176621  # [  100.856540] [<c137df4c>] (dump_backtrace) from [<c137e30c>] (show_stack+0x20/0x24)

 4891 07:27:54.219041  # [  100.864123]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8

 4892 07:27:54.219541  # [  100.869800] [<c137e2ec>] (show_stack) from [<c1385568>] (dump_stack+0xe0/0x100)

 4893 07:27:54.219898  # [  100.877128] [<c1385488>] (dump_stack) from [<c0356820>] (__warn+0x98/0x14c)

 4894 07:27:54.220223  # [  100.884101]  r9:00000009 r8:c08739f8 r7:0000001c r6:00000009 r5:c08739f8 r4:c1a212e0

 4895 07:27:54.220533  # [  100.891858] [<c0356788>] (__warn) from [<c137f448>] (warn_slowpath_fmt+0x8c/0xa8)

 4896 07:27:54.220849  # [  100.899353]  r7:0000001c r6:c1a212e0 r5:c1a2131c r4:c6908000

 4897 07:27:54.262981  # [  100.905028] [<c137f3c0>] (warn_slowpath_fmt) from [<c08739f8>] (refcount_warn_saturate+0x13c/0x174)

 4898 07:27:54.263485  # [  100.914085]  r9:c1acd43c r8:c15e8cf8 r7:c6909f60 r6:00000020 r5:c4674000 r4:c6908000

 4899 07:27:54.263814  # [  100.921848] [<c08738bc>] (refcount_warn_saturate) from [<c0c55470>] (__refcount_sub_and_test.constprop.0+0x64/0x6c)

 4900 07:27:54.264111  # [  100.932305] [<c0c5540c>] (__refcount_sub_and_test.constprop.0) from [<c138c98c>] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x50/0x88)

 4901 07:27:54.307194  # [  100.944059] [<c138c93c>] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED) from [<c0c54374>] (lkdtm_do_action+0x2c/0x4c)

 4902 07:27:54.307693  # [  100.954066]  r4:0000003b

 4903 07:27:54.308023  # [  100.956613] [<c0c54348>] (lkdtm_do_action) from [<c0c54874>] (direct_entry+0x120/0x18c)

 4904 07:27:54.308321  # [  100.964636] [<c0c54754>] (direct_entry) from [<c07e03d4>] (full_proxy_write+0x64/0x94)

 4905 07:27:54.308605  # [  100.972567]  r9:c6909f60 r8:c3082240 r7:00000020 r6:b6dcd000 r5:c6ad0500 r4:c0c54754

 4906 07:27:54.308884  # [  100.980330] [<c07e0370>] (full_proxy_write) from [<c059ac40>] (vfs_write+0x10c/0x53c)

 4907 07:27:54.350984  # [  100.988172]  r9:c07e0370 r8:c6909f60 r7:c2815800 r6:b6dcd000 r5:c6ad0500 r4:00000000

 4908 07:27:54.351489  # [  100.995927] [<c059ab34>] (vfs_write) from [<c059b1ec>] (ksys_write+0x74/0xec)

 4909 07:27:54.351825  # [  101.003074]  r10:00000004 r9:00000000 r8:00000000 r7:b6dcd000 r6:c6908000 r5:c6ad0500

 4910 07:27:54.352127  # [  101.010910]  r4:c6ad0500

 4911 07:27:54.352411  # [  101.013457] [<c059b178>] (ksys_write) from [<c059b27c>] (sys_write+0x18/0x1c)

 4912 07:27:54.352690  # [  101.020606]  r9:c6908000 r8:c03002e4 r7:00000004 r6:b6f14e00 r5:00000020 r4:00000020

 4913 07:27:54.395166  # [  101.028366] [<c059b264>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 4914 07:27:54.395669  # [  101.035943] Exception stack(0xc6909fa8 to 0xc6909ff0)

 4915 07:27:54.395999  # [  101.041007] 9fa0:                   00000020 00000020 00000001 b6dcd000 00000020 00000000

 4916 07:27:54.396298  # [  101.049198] 9fc0: 00000020 00000020 b6f14e00 00000004 00000001 00000000 00020000 bedc0ac4

 4917 07:27:54.396582  # [  101.057385] 9fe0: 00000004 bedc07f8 b6e7ed8f b6e057e6

 4918 07:27:54.396861  # [  101.062522] irq event stamp: 0

 4919 07:27:54.397130  # [  101.065599] hardirqs last  enabled at (0): [<00000000>] 0x0

 4920 07:27:54.439190  # [  101.071229] hardirqs last disabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 4921 07:27:54.439692  # [  101.078781] softirqs last  enabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 4922 07:27:54.440020  # [  101.086311] softirqs last disabled at (0): [<00000000>] 0x0

 4923 07:27:54.440410  # [  101.091961] ---[ end trace eec2cb921daffbdc ]---

 4924 07:27:54.440703  # [  101.096620] lkdtm: Saturation detected: still saturated

 4925 07:27:54.440983  # REFCOUNT_SUB_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok

 4926 07:27:54.441256  ok 58 selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh

 4927 07:27:54.441530  # selftests: lkdtm: REFCOUNT_TIMING.sh

 4928 07:27:54.483025  # Skipping REFCOUNT_TIMING: timing only

 4929 07:27:54.483598  ok 59 selftests: lkdtm: REFCOUNT_TIMING.sh # SKIP

 4930 07:27:54.483965  # selftests: lkdtm: ATOMIC_TIMING.sh

 4931 07:27:54.644890  # Skipping ATOMIC_TIMING: timing only

 4932 07:27:54.660775  ok 60 selftests: lkdtm: ATOMIC_TIMING.sh # SKIP

 4933 07:27:54.692719  # selftests: lkdtm: USERCOPY_HEAP_SIZE_TO.sh

 4934 07:27:55.022722  [  102.145130] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO

 4935 07:27:55.023212  [  102.151395] lkdtm: attempting good copy_to_user of correct size

 4936 07:27:55.023534  [  102.157550] lkdtm: attempting bad copy_to_user of too large size

 4937 07:27:55.172661  # [  102.145130] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO

 4938 07:27:55.173207  # [  102.151395] lkdtm: attempting good copy_to_user of correct size

 4939 07:27:55.173552  # [  102.157550] lkdtm: attempting bad copy_to_user of too large size

 4940 07:27:55.188682  # USERCOPY_HEAP_SIZE_TO: missing 'call trace:': [FAIL]

 4941 07:27:55.220552  not ok 61 selftests: lkdtm: USERCOPY_HEAP_SIZE_TO.sh # exit=1

 4942 07:27:55.236404  # selftests: lkdtm: USERCOPY_HEAP_SIZE_FROM.sh

 4943 07:27:55.576231  [  102.697656] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM

 4944 07:27:55.576419  [  102.703919] lkdtm: attempting good copy_from_user of correct size

 4945 07:27:55.576487  [  102.710201] lkdtm: attempting bad copy_from_user of too large size

 4946 07:27:55.725443  # [  102.697656] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM

 4947 07:27:55.725978  # [  102.703919] lkdtm: attempting good copy_from_user of correct size

 4948 07:27:55.726327  # [  102.710201] lkdtm: attempting bad copy_from_user of too large size

 4949 07:27:55.741223  # USERCOPY_HEAP_SIZE_FROM: missing 'call trace:': [FAIL]

 4950 07:27:55.779104  not ok 62 selftests: lkdtm: USERCOPY_HEAP_SIZE_FROM.sh # exit=1

 4951 07:27:55.795017  # selftests: lkdtm: USERCOPY_HEAP_WHITELIST_TO.sh

 4952 07:27:56.130952  [  103.253045] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO

 4953 07:27:56.131158  [  103.259615] lkdtm: attempting good copy_to_user inside whitelist

 4954 07:27:56.131281  [  103.265674] lkdtm: attempting bad copy_to_user outside whitelist

 4955 07:27:56.279009  # [  103.253045] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO

 4956 07:27:56.279508  # [  103.259615] lkdtm: attempting good copy_to_user inside whitelist

 4957 07:27:56.279853  # [  103.265674] lkdtm: attempting bad copy_to_user outside whitelist

 4958 07:27:56.295232  # USERCOPY_HEAP_WHITELIST_TO: missing 'call trace:': [FAIL]

 4959 07:27:56.326940  not ok 63 selftests: lkdtm: USERCOPY_HEAP_WHITELIST_TO.sh # exit=1

 4960 07:27:56.342902  # selftests: lkdtm: USERCOPY_HEAP_WHITELIST_FROM.sh

 4961 07:27:56.678050  [  103.800030] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM

 4962 07:27:56.678561  [  103.806697] lkdtm: attempting good copy_from_user inside whitelist

 4963 07:27:56.678892  [  103.812974] lkdtm: attempting bad copy_from_user outside whitelist

 4964 07:27:56.830734  # [  103.800030] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM

 4965 07:27:56.831273  # [  103.806697] lkdtm: attempting good copy_from_user inside whitelist

 4966 07:27:56.831625  # [  103.812974] lkdtm: attempting bad copy_from_user outside whitelist

 4967 07:27:56.855888  # USERCOPY_HEAP_WHITELIST_FROM: missing 'call trace:': [FAIL]

 4968 07:27:56.881609  not ok 64 selftests: lkdtm: USERCOPY_HEAP_WHITELIST_FROM.sh # exit=1

 4969 07:27:56.897371  # selftests: lkdtm: USERCOPY_STACK_FRAME_TO.sh

 4970 07:27:57.246562  [  104.356913] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO

 4971 07:27:57.246806  [  104.363282] lkdtm: good_stack: c5ee3e0c-c5ee3e2c

 4972 07:27:57.246943  [  104.368057] lkdtm: bad_stack : c5ee3d84-c5ee3da4

 4973 07:27:57.247073  [  104.372738] lkdtm: attempting good copy_to_user of local stack

 4974 07:27:57.247196  [  104.378695] lkdtm: attempting bad copy_to_user of distant stack

 4975 07:27:57.411425  # [  104.356913] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO

 4976 07:27:57.412003  # [  104.363282] lkdtm: good_stack: c5ee3e0c-c5ee3e2c

 4977 07:27:57.412333  # [  104.368057] lkdtm: bad_stack : c5ee3d84-c5ee3da4

 4978 07:27:57.412631  # [  104.372738] lkdtm: attempting good copy_to_user of local stack

 4979 07:27:57.412934  # [  104.378695] lkdtm: attempting bad copy_to_user of distant stack

 4980 07:27:57.443392  # USERCOPY_STACK_FRAME_TO: missing 'call trace:': [FAIL]

 4981 07:27:57.475439  not ok 65 selftests: lkdtm: USERCOPY_STACK_FRAME_TO.sh # exit=1

 4982 07:27:57.491238  # selftests: lkdtm: USERCOPY_STACK_FRAME_FROM.sh

 4983 07:27:57.847414  [  104.959371] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM

 4984 07:27:57.847581  [  104.965787] lkdtm: good_stack: c6a8fe0c-c6a8fe2c

 4985 07:27:57.847661  [  104.970498] lkdtm: bad_stack : c6a8fd84-c6a8fda4

 4986 07:27:57.847737  [  104.975147] lkdtm: attempting good copy_from_user of local stack

 4987 07:27:57.847809  [  104.981242] lkdtm: attempting bad copy_from_user of distant stack

 4988 07:27:58.006476  # [  104.959371] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM

 4989 07:27:58.007003  # [  104.965787] lkdtm: good_stack: c6a8fe0c-c6a8fe2c

 4990 07:27:58.007348  # [  104.970498] lkdtm: bad_stack : c6a8fd84-c6a8fda4

 4991 07:27:58.007672  # [  104.975147] lkdtm: attempting good copy_from_user of local stack

 4992 07:27:58.007961  # [  104.981242] lkdtm: attempting bad copy_from_user of distant stack

 4993 07:27:58.022237  # USERCOPY_STACK_FRAME_FROM: missing 'call trace:': [FAIL]

 4994 07:27:58.054425  not ok 66 selftests: lkdtm: USERCOPY_STACK_FRAME_FROM.sh # exit=1

 4995 07:27:58.086337  # selftests: lkdtm: USERCOPY_STACK_BEYOND.sh

 4996 07:27:58.437323  [  105.548092] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND

 4997 07:27:58.437812  [  105.554158] lkdtm: good_stack: c5d59e0c-c5d59e2c

 4998 07:27:58.438133  [  105.558855] lkdtm: bad_stack : c5d59ffc-c5d5a01c

 4999 07:27:58.438426  [  105.563503] lkdtm: attempting good copy_to_user of local stack

 5000 07:27:58.438766  [  105.569448] lkdtm: attempting bad copy_to_user of distant stack

 5001 07:27:58.608163  # [  105.548092] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND

 5002 07:27:58.608660  # [  105.554158] lkdtm: good_stack: c5d59e0c-c5d59e2c

 5003 07:27:58.608979  # [  105.558855] lkdtm: bad_stack : c5d59ffc-c5d5a01c

 5004 07:27:58.609272  # [  105.563503] lkdtm: attempting good copy_to_user of local stack

 5005 07:27:58.609552  # [  105.569448] lkdtm: attempting bad copy_to_user of distant stack

 5006 07:27:58.609827  # USERCOPY_STACK_BEYOND: missing 'call trace:': [FAIL]

 5007 07:27:58.630961  not ok 67 selftests: lkdtm: USERCOPY_STACK_BEYOND.sh # exit=1

 5008 07:27:58.647172  # selftests: lkdtm: USERCOPY_KERNEL.sh

 5009 07:27:58.972096  [  106.086730] lkdtm: Performing direct entry USERCOPY_KERNEL

 5010 07:27:58.972593  [  106.092424] lkdtm: attempting good copy_to_user from kernel rodata: c15e8fa4

 5011 07:27:58.972914  [  106.099689] lkdtm: attempting bad copy_to_user from kernel text: c053cb74

 5012 07:27:58.973209  [  106.106532] lkdtm: FAIL: survived bad copy_to_user()

 5013 07:27:59.123938  # [  106.086730] lkdtm: Performing direct entry USERCOPY_KERNEL

 5014 07:27:59.124437  # [  106.092424] lkdtm: attempting good copy_to_user from kernel rodata: c15e8fa4

 5015 07:27:59.124758  # [  106.099689] lkdtm: attempting bad copy_to_user from kernel text: c053cb74

 5016 07:27:59.125052  # [  106.106532] lkdtm: FAIL: survived bad copy_to_user()

 5017 07:27:59.139864  # USERCOPY_KERNEL: missing 'call trace:': [FAIL]

 5018 07:27:59.171831  not ok 68 selftests: lkdtm: USERCOPY_KERNEL.sh # exit=1

 5019 07:27:59.203625  # selftests: lkdtm: STACKLEAK_ERASING.sh

 5020 07:27:59.566841  [  106.672767] lkdtm: Performing direct entry STACKLEAK_ERASING

 5021 07:27:59.567342  [  106.678555] lkdtm: checking unused part of the thread stack (7732 bytes)...

 5022 07:27:59.567664  [  106.685567] lkdtm: FAIL: the erased part is not found (checked 7732 bytes)

 5023 07:27:59.567958  [  106.692515] lkdtm: FAIL: the thread stack is NOT properly erased

 5024 07:27:59.568239  [  106.698592] CPU: 2 PID: 3498 Comm: cat Tainted: G      D W         5.10.180-cip33 #1

 5025 07:27:59.568517  [  106.706347] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 5026 07:27:59.568786  [  106.712882] Backtrace: 

 5027 07:27:59.610056  [  106.715361] [<c137df4c>] (dump_backtrace) from [<c137e30c>] (show_stack+0x20/0x24)

 5028 07:27:59.610574  [  106.722943]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8

 5029 07:27:59.610897  [  106.728620] [<c137e2ec>] (show_stack) from [<c1385568>] (dump_stack+0xe0/0x100)

 5030 07:27:59.611195  [  106.735955] [<c1385488>] (dump_stack) from [<c138cc74>] (lkdtm_STACKLEAK_ERASING+0x148/0x174)

 5031 07:27:59.611479  [  106.744492]  r9:c1acd544 r8:c15e8cf8 r7:c5c5ff60 r6:c5c5fe34 r5:c5c5e000 r4:0000078d

 5032 07:27:59.611759  [  106.752255] [<c138cb2c>] (lkdtm_STACKLEAK_ERASING) from [<c0c54374>] (lkdtm_do_action+0x2c/0x4c)

 5033 07:27:59.653228  [  106.761049]  r8:c15e8cf8 r7:c5c5ff60 r6:00000012 r5:c6ad2000 r4:00000046

 5034 07:27:59.653726  [  106.767764] [<c0c54348>] (lkdtm_do_action) from [<c0c54874>] (direct_entry+0x120/0x18c)

 5035 07:27:59.654047  [  106.775787] [<c0c54754>] (direct_entry) from [<c07e03d4>] (full_proxy_write+0x64/0x94)

 5036 07:27:59.654341  [  106.783716]  r9:c5c5ff60 r8:c3082240 r7:00000012 r6:b6e82000 r5:c5c5c640 r4:c0c54754

 5037 07:27:59.654660  [  106.791479] [<c07e0370>] (full_proxy_write) from [<c059ac40>] (vfs_write+0x10c/0x53c)

 5038 07:27:59.696524  [  106.799321]  r9:c07e0370 r8:c5c5ff60 r7:c2815800 r6:b6e82000 r5:c5c5c640 r4:00000000

 5039 07:27:59.697056  [  106.807077] [<c059ab34>] (vfs_write) from [<c059b1ec>] (ksys_write+0x74/0xec)

 5040 07:27:59.697404  [  106.814226]  r10:00000004 r9:00000000 r8:00000000 r7:b6e82000 r6:c5c5e000 r5:c5c5c640

 5041 07:27:59.697723  [  106.822061]  r4:c5c5c640

 5042 07:27:59.698028  [  106.824609] [<c059b178>] (ksys_write) from [<c059b27c>] (sys_write+0x18/0x1c)

 5043 07:27:59.698331  [  106.831756]  r9:c5c5e000 r8:c03002e4 r7:00000004 r6:b6fc9e00 r5:00000012 r4:00000012

 5044 07:27:59.698652  [  106.839517] [<c059b264>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 5045 07:27:59.733334  [  106.847094] Exception stack(0xc5c5ffa8 to 0xc5c5fff0)

 5046 07:27:59.733699  [  106.852159] ffa0:                   00000012 00000012 00000001 b6e82000 00000012 00000000

 5047 07:27:59.733992  [  106.860350] ffc0: 00000012 00000012 b6fc9e00 00000004 00000001 00000000 00020000 beddfac4

 5048 07:27:59.734267  [  106.868535] ffe0: 00000004 beddf7f8 b6f33d8f b6eba7e6

 5049 07:27:59.896736  # [  106.672767] lkdtm: Performing direct entry STACKLEAK_ERASING

 5050 07:27:59.897205  # [  106.678555] lkdtm: checking unused part of the thread stack (7732 bytes)...

 5051 07:27:59.897500  # [  106.685567] lkdtm: FAIL: the erased part is not found (checked 7732 bytes)

 5052 07:27:59.897776  # [  106.692515] lkdtm: FAIL: the thread stack is NOT properly erased

 5053 07:27:59.898037  # [  106.698592] CPU: 2 PID: 3498 Comm: cat Tainted: G      D W         5.10.180-cip33 #1

 5054 07:27:59.898296  # [  106.706347] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 5055 07:27:59.940094  # [  106.712882] Backtrace: 

 5056 07:27:59.940591  # [  106.715361] [<c137df4c>] (dump_backtrace) from [<c137e30c>] (show_stack+0x20/0x24)

 5057 07:27:59.940914  # [  106.722943]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fcb8

 5058 07:27:59.941207  # [  106.728620] [<c137e2ec>] (show_stack) from [<c1385568>] (dump_stack+0xe0/0x100)

 5059 07:27:59.941487  # [  106.735955] [<c1385488>] (dump_stack) from [<c138cc74>] (lkdtm_STACKLEAK_ERASING+0x148/0x174)

 5060 07:27:59.941765  # [  106.744492]  r9:c1acd544 r8:c15e8cf8 r7:c5c5ff60 r6:c5c5fe34 r5:c5c5e000 r4:0000078d

 5061 07:27:59.983015  # [  106.752255] [<c138cb2c>] (lkdtm_STACKLEAK_ERASING) from [<c0c54374>] (lkdtm_do_action+0x2c/0x4c)

 5062 07:27:59.983521  # [  106.761049]  r8:c15e8cf8 r7:c5c5ff60 r6:00000012 r5:c6ad2000 r4:00000046

 5063 07:27:59.983842  # [  106.767764] [<c0c54348>] (lkdtm_do_action) from [<c0c54874>] (direct_entry+0x120/0x18c)

 5064 07:27:59.984138  # [  106.775787] [<c0c54754>] (direct_entry) from [<c07e03d4>] (full_proxy_write+0x64/0x94)

 5065 07:27:59.984419  # [  106.783716]  r9:c5c5ff60 r8:c3082240 r7:00000012 r6:b6e82000 r5:c5c5c640 r4:c0c54754

 5066 07:27:59.984694  # [  106.791479] [<c07e0370>] (full_proxy_write) from [<c059ac40>] (vfs_write+0x10c/0x53c)

 5067 07:28:00.026002  # [  106.799321]  r9:c07e0370 r8:c5c5ff60 r7:c2815800 r6:b6e82000 r5:c5c5c640 r4:00000000

 5068 07:28:00.026500  # [  106.807077] [<c059ab34>] (vfs_write) from [<c059b1ec>] (ksys_write+0x74/0xec)

 5069 07:28:00.026846  # [  106.814226]  r10:00000004 r9:00000000 r8:00000000 r7:b6e82000 r6:c5c5e000 r5:c5c5c640

 5070 07:28:00.027141  # [  106.822061]  r4:c5c5c640

 5071 07:28:00.027420  # [  106.824609] [<c059b178>] (ksys_write) from [<c059b27c>] (sys_write+0x18/0x1c)

 5072 07:28:00.027695  # [  106.831756]  r9:c5c5e000 r8:c03002e4 r7:00000004 r6:b6fc9e00 r5:00000012 r4:00000012

 5073 07:28:00.069272  # [  106.839517] [<c059b264>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 5074 07:28:00.069750  # [  106.847094] Exception stack(0xc5c5ffa8 to 0xc5c5fff0)

 5075 07:28:00.070084  # [  106.852159] ffa0:                   00000012 00000012 00000001 b6e82000 00000012 00000000

 5076 07:28:00.070376  # [  106.860350] ffc0: 00000012 00000012 b6fc9e00 00000004 00000001 00000000 00020000 beddfac4

 5077 07:28:00.070669  # [  106.868535] ffe0: 00000004 beddf7f8 b6f33d8f b6eba7e6

 5078 07:28:00.070966  # STACKLEAK_ERASING: missing 'OK: the rest of the thread stack is properly erased': [FAIL]

 5079 07:28:00.089510  not ok 69 selftests: lkdtm: STACKLEAK_ERASING.sh # exit=1

 5080 07:28:00.089987  # selftests: lkdtm: CFI_FORWARD_PROTO.sh

 5081 07:28:00.313080  [  107.432956] lkdtm: Performing direct entry CFI_FORWARD_PROTO

 5082 07:28:00.313585  [  107.438783] lkdtm: Calling matched prototype ...

 5083 07:28:00.313909  [  107.443440] lkdtm: Calling mismatched prototype ...

 5084 07:28:00.314207  [  107.448416] lkdtm: Fail: survived mismatched prototype function call!

 5085 07:28:00.468704  # [  107.432956] lkdtm: Performing direct entry CFI_FORWARD_PROTO

 5086 07:28:00.469202  # [  107.438783] lkdtm: Calling matched prototype ...

 5087 07:28:00.469522  # [  107.443440] lkdtm: Calling mismatched prototype ...

 5088 07:28:00.469817  # [  107.448416] lkdtm: Fail: survived mismatched prototype function call!

 5089 07:28:00.470098  # CFI_FORWARD_PROTO: missing 'call trace:': [FAIL]

 5090 07:28:00.500688  not ok 70 selftests: lkdtm: CFI_FORWARD_PROTO.sh # exit=1

 5091 07:28:01.299029  lkdtm_PANIC_sh skip

 5092 07:28:01.299561  lkdtm_BUG_sh pass

 5093 07:28:01.341840  lkdtm_WARNING_sh pass

 5094 07:28:01.342335  lkdtm_WARNING_MESSAGE_sh pass

 5095 07:28:01.342723  lkdtm_EXCEPTION_sh fail

 5096 07:28:01.343044  lkdtm_LOOP_sh skip

 5097 07:28:01.343347  lkdtm_EXHAUST_STACK_sh skip

 5098 07:28:01.343638  lkdtm_CORRUPT_STACK_sh skip

 5099 07:28:01.343907  lkdtm_CORRUPT_STACK_STRONG_sh skip

 5100 07:28:01.344171  lkdtm_CORRUPT_LIST_ADD_sh fail

 5101 07:28:01.344459  lkdtm_CORRUPT_LIST_DEL_sh fail

 5102 07:28:01.344739  lkdtm_STACK_GUARD_PAGE_LEADING_sh fail

 5103 07:28:01.345021  lkdtm_STACK_GUARD_PAGE_TRAILING_sh fail

 5104 07:28:01.345304  lkdtm_UNSET_SMEP_sh skip

 5105 07:28:01.345583  lkdtm_DOUBLE_FAULT_sh skip

 5106 07:28:01.345863  lkdtm_CORRUPT_PAC_sh skip

 5107 07:28:01.346144  lkdtm_UNALIGNED_LOAD_STORE_WRITE_sh skip

 5108 07:28:01.346434  lkdtm_OVERWRITE_ALLOCATION_sh skip

 5109 07:28:01.384787  lkdtm_WRITE_AFTER_FREE_sh skip

 5110 07:28:01.385282  lkdtm_READ_AFTER_FREE_sh fail

 5111 07:28:01.385594  lkdtm_WRITE_BUDDY_AFTER_FREE_sh skip

 5112 07:28:01.385882  lkdtm_READ_BUDDY_AFTER_FREE_sh fail

 5113 07:28:01.386160  lkdtm_SLAB_FREE_DOUBLE_sh fail

 5114 07:28:01.386430  lkdtm_SLAB_FREE_CROSS_sh fail

 5115 07:28:01.386722  lkdtm_SLAB_FREE_PAGE_sh fail

 5116 07:28:01.386983  lkdtm_SOFTLOCKUP_sh skip

 5117 07:28:01.387243  lkdtm_HARDLOCKUP_sh skip

 5118 07:28:01.387497  lkdtm_SPINLOCKUP_sh skip

 5119 07:28:01.387752  lkdtm_HUNG_TASK_sh skip

 5120 07:28:01.388007  lkdtm_EXEC_DATA_sh fail

 5121 07:28:01.388260  lkdtm_EXEC_STACK_sh fail

 5122 07:28:01.388512  lkdtm_EXEC_KMALLOC_sh fail

 5123 07:28:01.388766  lkdtm_EXEC_VMALLOC_sh fail

 5124 07:28:01.389018  lkdtm_EXEC_RODATA_sh fail

 5125 07:28:01.389271  lkdtm_EXEC_USERSPACE_sh fail

 5126 07:28:01.427879  lkdtm_EXEC_NULL_sh fail

 5127 07:28:01.428375  lkdtm_ACCESS_USERSPACE_sh fail

 5128 07:28:01.428688  lkdtm_ACCESS_NULL_sh fail

 5129 07:28:01.428975  lkdtm_WRITE_RO_sh fail

 5130 07:28:01.429252  lkdtm_WRITE_RO_AFTER_INIT_sh fail

 5131 07:28:01.429521  lkdtm_WRITE_KERN_sh fail

 5132 07:28:01.429789  lkdtm_REFCOUNT_INC_OVERFLOW_sh fail

 5133 07:28:01.430050  lkdtm_REFCOUNT_ADD_OVERFLOW_sh fail

 5134 07:28:01.430310  lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW_sh fail

 5135 07:28:01.430595  lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW_sh fail

 5136 07:28:01.430861  lkdtm_REFCOUNT_DEC_ZERO_sh fail

 5137 07:28:01.431118  lkdtm_REFCOUNT_DEC_NEGATIVE_sh pass

 5138 07:28:01.431374  lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE_sh pass

 5139 07:28:01.431629  lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE_sh pass

 5140 07:28:01.471016  lkdtm_REFCOUNT_INC_ZERO_sh fail

 5141 07:28:01.471511  lkdtm_REFCOUNT_ADD_ZERO_sh fail

 5142 07:28:01.471830  lkdtm_REFCOUNT_INC_SATURATED_sh pass

 5143 07:28:01.472122  lkdtm_REFCOUNT_DEC_SATURATED_sh pass

 5144 07:28:01.472398  lkdtm_REFCOUNT_ADD_SATURATED_sh pass

 5145 07:28:01.472670  lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED_sh fail

 5146 07:28:01.472937  lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED_sh fail

 5147 07:28:01.473200  lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED_sh pass

 5148 07:28:01.473461  lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED_sh pass

 5149 07:28:01.473722  lkdtm_REFCOUNT_TIMING_sh skip

 5150 07:28:01.473981  lkdtm_ATOMIC_TIMING_sh skip

 5151 07:28:01.474236  lkdtm_USERCOPY_HEAP_SIZE_TO_sh fail

 5152 07:28:01.474490  lkdtm_USERCOPY_HEAP_SIZE_FROM_sh fail

 5153 07:28:01.518257  lkdtm_USERCOPY_HEAP_WHITELIST_TO_sh fail

 5154 07:28:01.518776  lkdtm_USERCOPY_HEAP_WHITELIST_FROM_sh fail

 5155 07:28:01.519095  lkdtm_USERCOPY_STACK_FRAME_TO_sh fail

 5156 07:28:01.519383  lkdtm_USERCOPY_STACK_FRAME_FROM_sh fail

 5157 07:28:01.519662  lkdtm_USERCOPY_STACK_BEYOND_sh fail

 5158 07:28:01.519935  lkdtm_USERCOPY_KERNEL_sh fail

 5159 07:28:01.520202  lkdtm_STACKLEAK_ERASING_sh fail

 5160 07:28:01.520466  lkdtm_CFI_FORWARD_PROTO_sh fail

 5161 07:28:01.520722  + ../../utils/send-to-lava.sh ./output/result.txt

 5162 07:28:01.520992  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_PANIC_sh RESULT=skip>

 5163 07:28:01.522549  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_PANIC_sh RESULT=skip
 5165 07:28:01.582009  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_BUG_sh RESULT=pass>

 5166 07:28:01.582749  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_BUG_sh RESULT=pass
 5168 07:28:01.682786  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_WARNING_sh RESULT=pass>

 5169 07:28:01.683533  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_WARNING_sh RESULT=pass
 5171 07:28:01.785562  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_WARNING_MESSAGE_sh RESULT=pass>

 5172 07:28:01.786303  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_WARNING_MESSAGE_sh RESULT=pass
 5174 07:28:01.886413  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXCEPTION_sh RESULT=fail>

 5175 07:28:01.887196  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXCEPTION_sh RESULT=fail
 5177 07:28:01.990320  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_LOOP_sh RESULT=skip>

 5178 07:28:01.991100  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_LOOP_sh RESULT=skip
 5180 07:28:02.118029  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXHAUST_STACK_sh RESULT=skip>

 5181 07:28:02.118809  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXHAUST_STACK_sh RESULT=skip
 5183 07:28:02.250496  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_CORRUPT_STACK_sh RESULT=skip>

 5184 07:28:02.251320  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_CORRUPT_STACK_sh RESULT=skip
 5186 07:28:02.357526  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_CORRUPT_STACK_STRONG_sh RESULT=skip>

 5187 07:28:02.358275  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_CORRUPT_STACK_STRONG_sh RESULT=skip
 5189 07:28:02.479926  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_CORRUPT_LIST_ADD_sh RESULT=fail>

 5190 07:28:02.480715  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_CORRUPT_LIST_ADD_sh RESULT=fail
 5192 07:28:02.607694  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_CORRUPT_LIST_DEL_sh RESULT=fail>

 5193 07:28:02.608446  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_CORRUPT_LIST_DEL_sh RESULT=fail
 5195 07:28:02.735436  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_STACK_GUARD_PAGE_LEADING_sh RESULT=fail>

 5196 07:28:02.736190  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_STACK_GUARD_PAGE_LEADING_sh RESULT=fail
 5198 07:28:02.860350  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_STACK_GUARD_PAGE_TRAILING_sh RESULT=fail>

 5199 07:28:02.861100  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_STACK_GUARD_PAGE_TRAILING_sh RESULT=fail
 5201 07:28:02.967088  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_UNSET_SMEP_sh RESULT=skip>

 5202 07:28:02.967840  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_UNSET_SMEP_sh RESULT=skip
 5204 07:28:03.089804  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_DOUBLE_FAULT_sh RESULT=skip>

 5205 07:28:03.090617  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_DOUBLE_FAULT_sh RESULT=skip
 5207 07:28:03.207326  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_CORRUPT_PAC_sh RESULT=skip>

 5208 07:28:03.208112  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_CORRUPT_PAC_sh RESULT=skip
 5210 07:28:03.330047  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_UNALIGNED_LOAD_STORE_WRITE_sh RESULT=skip>

 5211 07:28:03.330818  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_UNALIGNED_LOAD_STORE_WRITE_sh RESULT=skip
 5213 07:28:03.453976  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_OVERWRITE_ALLOCATION_sh RESULT=skip>

 5214 07:28:03.454801  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_OVERWRITE_ALLOCATION_sh RESULT=skip
 5216 07:28:03.571585  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_WRITE_AFTER_FREE_sh RESULT=skip>

 5217 07:28:03.572373  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_WRITE_AFTER_FREE_sh RESULT=skip
 5219 07:28:03.682290  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_READ_AFTER_FREE_sh RESULT=fail>

 5220 07:28:03.683108  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_READ_AFTER_FREE_sh RESULT=fail
 5222 07:28:03.819174  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_WRITE_BUDDY_AFTER_FREE_sh RESULT=skip>

 5223 07:28:03.819966  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_WRITE_BUDDY_AFTER_FREE_sh RESULT=skip
 5225 07:28:03.961569  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_READ_BUDDY_AFTER_FREE_sh RESULT=fail>

 5226 07:28:03.962360  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_READ_BUDDY_AFTER_FREE_sh RESULT=fail
 5228 07:28:04.078308  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_SLAB_FREE_DOUBLE_sh RESULT=fail>

 5229 07:28:04.079132  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_SLAB_FREE_DOUBLE_sh RESULT=fail
 5231 07:28:04.195094  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_SLAB_FREE_CROSS_sh RESULT=fail>

 5232 07:28:04.195880  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_SLAB_FREE_CROSS_sh RESULT=fail
 5234 07:28:04.313991  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_SLAB_FREE_PAGE_sh RESULT=fail>

 5235 07:28:04.314800  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_SLAB_FREE_PAGE_sh RESULT=fail
 5237 07:28:04.441601  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_SOFTLOCKUP_sh RESULT=skip>

 5238 07:28:04.442399  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_SOFTLOCKUP_sh RESULT=skip
 5240 07:28:04.581209  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_HARDLOCKUP_sh RESULT=skip>

 5241 07:28:04.582024  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_HARDLOCKUP_sh RESULT=skip
 5243 07:28:04.693221  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_SPINLOCKUP_sh RESULT=skip>

 5244 07:28:04.694019  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_SPINLOCKUP_sh RESULT=skip
 5246 07:28:04.810861  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_HUNG_TASK_sh RESULT=skip>

 5247 07:28:04.811651  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_HUNG_TASK_sh RESULT=skip
 5249 07:28:04.922439  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXEC_DATA_sh RESULT=fail>

 5250 07:28:04.923269  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXEC_DATA_sh RESULT=fail
 5252 07:28:05.042393  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXEC_STACK_sh RESULT=fail>

 5253 07:28:05.043215  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXEC_STACK_sh RESULT=fail
 5255 07:28:05.153136  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXEC_KMALLOC_sh RESULT=fail>

 5256 07:28:05.153929  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXEC_KMALLOC_sh RESULT=fail
 5258 07:28:05.269898  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXEC_VMALLOC_sh RESULT=fail>

 5259 07:28:05.270702  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXEC_VMALLOC_sh RESULT=fail
 5261 07:28:05.378503  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXEC_RODATA_sh RESULT=fail>

 5262 07:28:05.379334  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXEC_RODATA_sh RESULT=fail
 5264 07:28:05.495208  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXEC_USERSPACE_sh RESULT=fail>

 5265 07:28:05.496003  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXEC_USERSPACE_sh RESULT=fail
 5267 07:28:05.607019  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXEC_NULL_sh RESULT=fail>

 5268 07:28:05.607819  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXEC_NULL_sh RESULT=fail
 5270 07:28:05.725805  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_ACCESS_USERSPACE_sh RESULT=fail>

 5271 07:28:05.726631  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_ACCESS_USERSPACE_sh RESULT=fail
 5273 07:28:05.834353  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_ACCESS_NULL_sh RESULT=fail>

 5274 07:28:05.835179  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_ACCESS_NULL_sh RESULT=fail
 5276 07:28:05.938054  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_WRITE_RO_sh RESULT=fail>

 5277 07:28:05.938847  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_WRITE_RO_sh RESULT=fail
 5279 07:28:06.061755  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_WRITE_RO_AFTER_INIT_sh RESULT=fail>

 5280 07:28:06.062579  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_WRITE_RO_AFTER_INIT_sh RESULT=fail
 5282 07:28:06.189574  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_WRITE_KERN_sh RESULT=fail>

 5283 07:28:06.190382  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_WRITE_KERN_sh RESULT=fail
 5285 07:28:06.307149  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_INC_OVERFLOW_sh RESULT=fail>

 5286 07:28:06.307940  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_INC_OVERFLOW_sh RESULT=fail
 5288 07:28:06.415095  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_ADD_OVERFLOW_sh RESULT=fail>

 5289 07:28:06.415887  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_ADD_OVERFLOW_sh RESULT=fail
 5291 07:28:06.519961  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW_sh RESULT=fail>

 5292 07:28:06.520723  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW_sh RESULT=fail
 5294 07:28:06.639694  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW_sh RESULT=fail>

 5295 07:28:06.640450  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW_sh RESULT=fail
 5297 07:28:06.750541  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_DEC_ZERO_sh RESULT=fail>

 5298 07:28:06.751299  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_DEC_ZERO_sh RESULT=fail
 5300 07:28:06.870263  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_DEC_NEGATIVE_sh RESULT=pass>

 5301 07:28:06.871092  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_DEC_NEGATIVE_sh RESULT=pass
 5303 07:28:06.988948  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE_sh RESULT=pass>

 5304 07:28:06.989765  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE_sh RESULT=pass
 5306 07:28:07.100696  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE_sh RESULT=pass>

 5307 07:28:07.101488  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE_sh RESULT=pass
 5309 07:28:07.210405  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_INC_ZERO_sh RESULT=fail>

 5310 07:28:07.211225  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_INC_ZERO_sh RESULT=fail
 5312 07:28:07.333995  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_ADD_ZERO_sh RESULT=fail>

 5313 07:28:07.334818  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_ADD_ZERO_sh RESULT=fail
 5315 07:28:07.434749  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_INC_SATURATED_sh RESULT=pass>

 5316 07:28:07.435547  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_INC_SATURATED_sh RESULT=pass
 5318 07:28:07.535487  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_DEC_SATURATED_sh RESULT=pass>

 5319 07:28:07.536281  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_DEC_SATURATED_sh RESULT=pass
 5321 07:28:07.645351  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_ADD_SATURATED_sh RESULT=pass>

 5322 07:28:07.646153  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_ADD_SATURATED_sh RESULT=pass
 5324 07:28:07.745932  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED_sh RESULT=fail>

 5325 07:28:07.746683  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED_sh RESULT=fail
 5327 07:28:07.856720  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED_sh RESULT=fail>

 5328 07:28:07.857513  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED_sh RESULT=fail
 5330 07:28:07.968395  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED_sh RESULT=pass>

 5331 07:28:07.969187  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED_sh RESULT=pass
 5333 07:28:08.070278  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED_sh RESULT=pass>

 5334 07:28:08.071104  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED_sh RESULT=pass
 5336 07:28:08.176043  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_TIMING_sh RESULT=skip>

 5337 07:28:08.176837  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_TIMING_sh RESULT=skip
 5339 07:28:08.287974  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_ATOMIC_TIMING_sh RESULT=skip>

 5340 07:28:08.288768  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_ATOMIC_TIMING_sh RESULT=skip
 5342 07:28:08.411477  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_HEAP_SIZE_TO_sh RESULT=fail>

 5343 07:28:08.412269  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_HEAP_SIZE_TO_sh RESULT=fail
 5345 07:28:08.538274  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_HEAP_SIZE_FROM_sh RESULT=fail>

 5346 07:28:08.539109  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_HEAP_SIZE_FROM_sh RESULT=fail
 5348 07:28:08.648969  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_HEAP_WHITELIST_TO_sh RESULT=fail>

 5349 07:28:08.649777  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_HEAP_WHITELIST_TO_sh RESULT=fail
 5351 07:28:08.767953  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_HEAP_WHITELIST_FROM_sh RESULT=fail>

 5352 07:28:08.768756  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_HEAP_WHITELIST_FROM_sh RESULT=fail
 5354 07:28:08.886753  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_STACK_FRAME_TO_sh RESULT=fail>

 5355 07:28:08.887569  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_STACK_FRAME_TO_sh RESULT=fail
 5357 07:28:09.012479  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_STACK_FRAME_FROM_sh RESULT=fail>

 5358 07:28:09.013279  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_STACK_FRAME_FROM_sh RESULT=fail
 5360 07:28:09.120998  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_STACK_BEYOND_sh RESULT=fail>

 5361 07:28:09.121803  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_STACK_BEYOND_sh RESULT=fail
 5363 07:28:09.225827  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_KERNEL_sh RESULT=fail>

 5364 07:28:09.226624  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_KERNEL_sh RESULT=fail
 5366 07:28:09.348438  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_STACKLEAK_ERASING_sh RESULT=fail>

 5367 07:28:09.349224  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_STACKLEAK_ERASING_sh RESULT=fail
 5369 07:28:09.470384  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_CFI_FORWARD_PROTO_sh RESULT=fail>

 5370 07:28:09.470947  + set +x

 5371 07:28:09.471298  <LAVA_SIGNAL_ENDRUN 1_kselftest-lkdtm 10462856_1.6.2.4.5>

 5372 07:28:09.471626  <LAVA_TEST_RUNNER EXIT>

 5373 07:28:09.472204  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_CFI_FORWARD_PROTO_sh RESULT=fail
 5375 07:28:09.473297  Received signal: <ENDRUN> 1_kselftest-lkdtm 10462856_1.6.2.4.5
 5376 07:28:09.473653  Ending use of test pattern.
 5377 07:28:09.473966  Ending test lava.1_kselftest-lkdtm (10462856_1.6.2.4.5), duration 65.04
 5379 07:28:09.475063  ok: lava_test_shell seems to have completed
 5380 07:28:09.477873  lkdtm_ACCESS_NULL_sh: fail
lkdtm_ACCESS_USERSPACE_sh: fail
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: fail
lkdtm_EXEC_DATA_sh: fail
lkdtm_EXEC_KMALLOC_sh: fail
lkdtm_EXEC_NULL_sh: fail
lkdtm_EXEC_RODATA_sh: fail
lkdtm_EXEC_STACK_sh: fail
lkdtm_EXEC_USERSPACE_sh: fail
lkdtm_EXEC_VMALLOC_sh: fail
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: fail
lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED_sh: fail
lkdtm_REFCOUNT_ADD_OVERFLOW_sh: fail
lkdtm_REFCOUNT_ADD_SATURATED_sh: pass
lkdtm_REFCOUNT_ADD_ZERO_sh: fail
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: fail
lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW_sh: fail
lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED_sh: fail
lkdtm_REFCOUNT_INC_OVERFLOW_sh: fail
lkdtm_REFCOUNT_INC_SATURATED_sh: pass
lkdtm_REFCOUNT_INC_ZERO_sh: fail
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: fail
lkdtm_STACK_GUARD_PAGE_TRAILING_sh: fail
lkdtm_UNALIGNED_LOAD_STORE_WRITE_sh: skip
lkdtm_UNSET_SMEP_sh: skip
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: fail
lkdtm_WRITE_RO_AFTER_INIT_sh: fail
lkdtm_WRITE_RO_sh: fail

 5381 07:28:09.477987  end: 3.1 lava-test-shell (duration 00:01:07) [common]
 5382 07:28:09.478074  end: 3 lava-test-retry (duration 00:01:07) [common]
 5383 07:28:09.478160  start: 4 finalize (timeout 00:06:36) [common]
 5384 07:28:09.478249  start: 4.1 power-off (timeout 00:00:30) [common]
 5385 07:28:09.478380  Calling: 'pduclient' '--daemon=localhost' '--hostname=pms-0' '--port=3' '--command=off'
 5386 07:28:09.557233  >> Command sent successfully.

 5387 07:28:09.561032  Returned 0 in 0 seconds
 5388 07:28:09.661941  end: 4.1 power-off (duration 00:00:00) [common]
 5390 07:28:09.663402  start: 4.2 read-feedback (timeout 00:06:36) [common]
 5391 07:28:09.664520  Listened to connection for namespace 'common' for up to 1s
 5392 07:28:09.665300  Listened to connection for namespace 'common' for up to 1s
 5393 07:28:10.665386  Finalising connection for namespace 'common'
 5394 07:28:10.666021  Disconnecting from shell: Finalise
 5395 07:28:10.666406  / # 
 5396 07:28:10.767647  end: 4.2 read-feedback (duration 00:00:01) [common]
 5397 07:28:10.768353  end: 4 finalize (duration 00:00:01) [common]
 5398 07:28:10.768927  Cleaning after the job
 5399 07:28:10.769396  Cleaning up download directory: /var/lib/lava/dispatcher/tmp/10462856/tftp-deploy-9w45tp6z/ramdisk
 5400 07:28:10.773454  Cleaning up download directory: /var/lib/lava/dispatcher/tmp/10462856/tftp-deploy-9w45tp6z/kernel
 5401 07:28:10.774808  Cleaning up download directory: /var/lib/lava/dispatcher/tmp/10462856/tftp-deploy-9w45tp6z/dtb
 5402 07:28:10.774975  Cleaning up download directory: /var/lib/lava/dispatcher/tmp/10462856/tftp-deploy-9w45tp6z/nfsrootfs
 5403 07:28:10.832493  Cleaning up download directory: /var/lib/lava/dispatcher/tmp/10462856/tftp-deploy-9w45tp6z/modules
 5404 07:28:10.836158  Override tmp directory removed at /var/lib/lava/dispatcher/tmp/10462856
 5405 07:28:11.299417  Root tmp directory removed at /var/lib/lava/dispatcher/tmp/10462856
 5406 07:28:11.299613  Job finished correctly