Boot log: imx6q-sabrelite

    1 21:20:11.729790  lava-dispatcher, installed at version: 2022.10
    2 21:20:11.729970  start: 0 validate
    3 21:20:11.730094  Start time: 2022-11-09 21:20:11.730087+00:00 (UTC)
    4 21:20:11.730206  Using caching service: 'http://localhost/cache/?uri=%s'
    5 21:20:11.730331  Validating that http://localhost/cache/?uri=http%3A%2F%2Fstorage.kernelci.org%2Fimages%2Frootfs%2Fdebian%2Fbullseye-kselftest%2F20221024.1%2Farmhf%2Finitrd.cpio.gz exists
    6 21:20:12.024142  Using caching service: 'http://localhost/cache/?uri=%s'
    7 21:20:12.024920  Validating that http://localhost/cache/?uri=http%3A%2F%2Fstorage.kernelci.org%2Fcip%2Flinux-5.10.y-cip%2Fv5.10.153-cip19-3-gc76f4e7e5c71%2Farm%2Fmulti_v7_defconfig%2Bkselftest%2Fgcc-10%2Fkernel%2FzImage exists
    8 21:20:12.318121  Using caching service: 'http://localhost/cache/?uri=%s'
    9 21:20:12.318574  Validating that http://localhost/cache/?uri=http%3A%2F%2Fstorage.kernelci.org%2Fcip%2Flinux-5.10.y-cip%2Fv5.10.153-cip19-3-gc76f4e7e5c71%2Farm%2Fmulti_v7_defconfig%2Bkselftest%2Fgcc-10%2Fdtbs%2Fimx6q-sabrelite.dtb exists
   10 21:20:12.611615  Using caching service: 'http://localhost/cache/?uri=%s'
   11 21:20:12.612319  Validating that http://localhost/cache/?uri=http%3A%2F%2Fstorage.kernelci.org%2Fimages%2Frootfs%2Fdebian%2Fbullseye-kselftest%2F20221024.1%2Farmhf%2Ffull.rootfs.tar.xz exists
   12 21:20:12.900814  Using caching service: 'http://localhost/cache/?uri=%s'
   13 21:20:12.901573  Validating that http://localhost/cache/?uri=http%3A%2F%2Fstorage.kernelci.org%2Fcip%2Flinux-5.10.y-cip%2Fv5.10.153-cip19-3-gc76f4e7e5c71%2Farm%2Fmulti_v7_defconfig%2Bkselftest%2Fgcc-10%2Fmodules.tar.xz exists
   14 21:20:13.189808  validate duration: 1.46
   16 21:20:13.190072  start: 1 tftp-deploy (timeout 00:10:00) [common]
   17 21:20:13.190171  start: 1.1 download-retry (timeout 00:10:00) [common]
   18 21:20:13.190260  start: 1.1.1 http-download (timeout 00:10:00) [common]
   19 21:20:13.190354  Not decompressing ramdisk as can be used compressed.
   20 21:20:13.190434  downloading http://storage.kernelci.org/images/rootfs/debian/bullseye-kselftest/20221024.1/armhf/initrd.cpio.gz
   21 21:20:13.190497  saving as /var/lib/lava/dispatcher/tmp/7922243/tftp-deploy-c6o7r9rh/ramdisk/initrd.cpio.gz
   22 21:20:13.190557  total size: 4018164 (3MB)
   23 21:20:13.191681  progress   0% (0MB)
   24 21:20:13.192822  progress   5% (0MB)
   25 21:20:13.193826  progress  10% (0MB)
   26 21:20:13.194894  progress  15% (0MB)
   27 21:20:13.195949  progress  20% (0MB)
   28 21:20:13.196994  progress  25% (0MB)
   29 21:20:13.198024  progress  30% (1MB)
   30 21:20:13.199059  progress  35% (1MB)
   31 21:20:13.200247  progress  40% (1MB)
   32 21:20:13.201283  progress  45% (1MB)
   33 21:20:13.202311  progress  50% (1MB)
   34 21:20:13.203334  progress  55% (2MB)
   35 21:20:13.204367  progress  60% (2MB)
   36 21:20:13.205403  progress  65% (2MB)
   37 21:20:13.206431  progress  70% (2MB)
   38 21:20:13.207451  progress  75% (2MB)
   39 21:20:13.208632  progress  80% (3MB)
   40 21:20:13.209665  progress  85% (3MB)
   41 21:20:13.210690  progress  90% (3MB)
   42 21:20:13.211716  progress  95% (3MB)
   43 21:20:13.212763  progress 100% (3MB)
   44 21:20:13.212995  3MB downloaded in 0.02s (170.81MB/s)
   45 21:20:13.213140  end: 1.1.1 http-download (duration 00:00:00) [common]
   47 21:20:13.213388  end: 1.1 download-retry (duration 00:00:00) [common]
   48 21:20:13.213480  start: 1.2 download-retry (timeout 00:10:00) [common]
   49 21:20:13.213570  start: 1.2.1 http-download (timeout 00:10:00) [common]
   50 21:20:13.213669  downloading http://storage.kernelci.org/cip/linux-5.10.y-cip/v5.10.153-cip19-3-gc76f4e7e5c71/arm/multi_v7_defconfig+kselftest/gcc-10/kernel/zImage
   51 21:20:13.213739  saving as /var/lib/lava/dispatcher/tmp/7922243/tftp-deploy-c6o7r9rh/kernel/zImage
   52 21:20:13.213801  total size: 12452352 (11MB)
   53 21:20:13.213864  No compression specified
   54 21:20:16.716421  progress   0% (0MB)
   55 21:20:16.722849  progress   5% (0MB)
   56 21:20:16.725836  progress  10% (1MB)
   57 21:20:16.728808  progress  15% (1MB)
   58 21:20:16.731738  progress  20% (2MB)
   59 21:20:16.734680  progress  25% (3MB)
   60 21:20:16.737717  progress  30% (3MB)
   61 21:20:16.740649  progress  35% (4MB)
   62 21:20:16.743670  progress  40% (4MB)
   63 21:20:16.746648  progress  45% (5MB)
   64 21:20:16.749634  progress  50% (5MB)
   65 21:20:16.752582  progress  55% (6MB)
   66 21:20:16.755576  progress  60% (7MB)
   67 21:20:16.758542  progress  65% (7MB)
   68 21:20:16.761466  progress  70% (8MB)
   69 21:20:16.764359  progress  75% (8MB)
   70 21:20:16.767237  progress  80% (9MB)
   71 21:20:16.770123  progress  85% (10MB)
   72 21:20:16.773018  progress  90% (10MB)
   73 21:20:16.775900  progress  95% (11MB)
   74 21:20:16.778934  progress 100% (11MB)
   75 21:20:16.779089  11MB downloaded in 3.57s (3.33MB/s)
   76 21:20:16.779235  end: 1.2.1 http-download (duration 00:00:04) [common]
   78 21:20:16.779463  end: 1.2 download-retry (duration 00:00:04) [common]
   79 21:20:16.779549  start: 1.3 download-retry (timeout 00:09:56) [common]
   80 21:20:16.779633  start: 1.3.1 http-download (timeout 00:09:56) [common]
   81 21:20:16.779738  downloading http://storage.kernelci.org/cip/linux-5.10.y-cip/v5.10.153-cip19-3-gc76f4e7e5c71/arm/multi_v7_defconfig+kselftest/gcc-10/dtbs/imx6q-sabrelite.dtb
   82 21:20:16.779803  saving as /var/lib/lava/dispatcher/tmp/7922243/tftp-deploy-c6o7r9rh/dtb/imx6q-sabrelite.dtb
   83 21:20:16.779862  total size: 42449 (0MB)
   84 21:20:16.779920  No compression specified
   85 21:20:16.780986  progress  77% (0MB)
   86 21:20:16.781245  progress 100% (0MB)
   87 21:20:16.781408  0MB downloaded in 0.00s (26.24MB/s)
   88 21:20:16.781532  end: 1.3.1 http-download (duration 00:00:00) [common]
   90 21:20:16.781758  end: 1.3 download-retry (duration 00:00:00) [common]
   91 21:20:16.781843  start: 1.4 download-retry (timeout 00:09:56) [common]
   92 21:20:16.781924  start: 1.4.1 http-download (timeout 00:09:56) [common]
   93 21:20:16.782012  downloading http://storage.kernelci.org/images/rootfs/debian/bullseye-kselftest/20221024.1/armhf/full.rootfs.tar.xz
   94 21:20:16.782076  saving as /var/lib/lava/dispatcher/tmp/7922243/tftp-deploy-c6o7r9rh/nfsrootfs/full.rootfs.tar
   95 21:20:16.782134  total size: 195756868 (186MB)
   96 21:20:16.782192  Using unxz to decompress xz
   97 21:20:16.785382  progress   0% (0MB)
   98 21:20:17.304645  progress   5% (9MB)
   99 21:20:17.799552  progress  10% (18MB)
  100 21:20:18.345505  progress  15% (28MB)
  101 21:20:18.711654  progress  20% (37MB)
  102 21:20:18.998327  progress  25% (46MB)
  103 21:20:19.527473  progress  30% (56MB)
  104 21:20:20.048465  progress  35% (65MB)
  105 21:20:20.583357  progress  40% (74MB)
  106 21:20:21.109819  progress  45% (84MB)
  107 21:20:21.637602  progress  50% (93MB)
  108 21:20:22.221320  progress  55% (102MB)
  109 21:20:22.857173  progress  60% (112MB)
  110 21:20:22.981276  progress  65% (121MB)
  111 21:20:23.135634  progress  70% (130MB)
  112 21:20:23.226257  progress  75% (140MB)
  113 21:20:23.290935  progress  80% (149MB)
  114 21:20:23.354977  progress  85% (158MB)
  115 21:20:23.453536  progress  90% (168MB)
  116 21:20:23.723662  progress  95% (177MB)
  117 21:20:24.267914  progress 100% (186MB)
  118 21:20:24.272550  186MB downloaded in 7.49s (24.92MB/s)
  119 21:20:24.272848  end: 1.4.1 http-download (duration 00:00:07) [common]
  121 21:20:24.273105  end: 1.4 download-retry (duration 00:00:07) [common]
  122 21:20:24.273197  start: 1.5 download-retry (timeout 00:09:49) [common]
  123 21:20:24.273287  start: 1.5.1 http-download (timeout 00:09:49) [common]
  124 21:20:24.273407  downloading http://storage.kernelci.org/cip/linux-5.10.y-cip/v5.10.153-cip19-3-gc76f4e7e5c71/arm/multi_v7_defconfig+kselftest/gcc-10/modules.tar.xz
  125 21:20:24.273486  saving as /var/lib/lava/dispatcher/tmp/7922243/tftp-deploy-c6o7r9rh/modules/modules.tar
  126 21:20:24.273548  total size: 7362412 (7MB)
  127 21:20:24.273611  Using unxz to decompress xz
  128 21:20:24.562884  progress   0% (0MB)
  129 21:20:24.620622  progress   5% (0MB)
  130 21:20:24.644401  progress  10% (0MB)
  131 21:20:24.664087  progress  15% (1MB)
  132 21:20:24.682715  progress  20% (1MB)
  133 21:20:24.706855  progress  25% (1MB)
  134 21:20:24.726511  progress  30% (2MB)
  135 21:20:24.746233  progress  35% (2MB)
  136 21:20:24.765799  progress  40% (2MB)
  137 21:20:24.787872  progress  45% (3MB)
  138 21:20:24.807267  progress  50% (3MB)
  139 21:20:24.826651  progress  55% (3MB)
  140 21:20:24.846251  progress  60% (4MB)
  141 21:20:24.867487  progress  65% (4MB)
  142 21:20:24.888181  progress  70% (4MB)
  143 21:20:24.907177  progress  75% (5MB)
  144 21:20:24.926539  progress  80% (5MB)
  145 21:20:24.946284  progress  85% (5MB)
  146 21:20:24.968274  progress  90% (6MB)
  147 21:20:24.988014  progress  95% (6MB)
  148 21:20:25.007891  progress 100% (7MB)
  149 21:20:25.013196  7MB downloaded in 0.74s (9.49MB/s)
  150 21:20:25.013442  end: 1.5.1 http-download (duration 00:00:01) [common]
  152 21:20:25.013695  end: 1.5 download-retry (duration 00:00:01) [common]
  153 21:20:25.013790  start: 1.6 prepare-tftp-overlay (timeout 00:09:48) [common]
  154 21:20:25.013885  start: 1.6.1 extract-nfsrootfs (timeout 00:09:48) [common]
  155 21:20:26.971678  Extracted nfsroot to /var/lib/lava/dispatcher/tmp/7922243/extract-nfsrootfs-6gi3h13n
  156 21:20:26.971896  end: 1.6.1 extract-nfsrootfs (duration 00:00:02) [common]
  157 21:20:26.972003  start: 1.6.2 lava-overlay (timeout 00:09:46) [common]
  158 21:20:26.972141  [common] Preparing overlay tarball in /var/lib/lava/dispatcher/tmp/7922243/lava-overlay-g1bt66fv
  159 21:20:26.972243  makedir: /var/lib/lava/dispatcher/tmp/7922243/lava-overlay-g1bt66fv/lava-7922243/bin
  160 21:20:26.972326  makedir: /var/lib/lava/dispatcher/tmp/7922243/lava-overlay-g1bt66fv/lava-7922243/tests
  161 21:20:26.972406  makedir: /var/lib/lava/dispatcher/tmp/7922243/lava-overlay-g1bt66fv/lava-7922243/results
  162 21:20:26.972503  Creating /var/lib/lava/dispatcher/tmp/7922243/lava-overlay-g1bt66fv/lava-7922243/bin/lava-add-keys
  163 21:20:26.972633  Creating /var/lib/lava/dispatcher/tmp/7922243/lava-overlay-g1bt66fv/lava-7922243/bin/lava-add-sources
  164 21:20:26.972784  Creating /var/lib/lava/dispatcher/tmp/7922243/lava-overlay-g1bt66fv/lava-7922243/bin/lava-background-process-start
  165 21:20:26.972913  Creating /var/lib/lava/dispatcher/tmp/7922243/lava-overlay-g1bt66fv/lava-7922243/bin/lava-background-process-stop
  166 21:20:26.973053  Creating /var/lib/lava/dispatcher/tmp/7922243/lava-overlay-g1bt66fv/lava-7922243/bin/lava-common-functions
  167 21:20:26.973175  Creating /var/lib/lava/dispatcher/tmp/7922243/lava-overlay-g1bt66fv/lava-7922243/bin/lava-echo-ipv4
  168 21:20:26.973284  Creating /var/lib/lava/dispatcher/tmp/7922243/lava-overlay-g1bt66fv/lava-7922243/bin/lava-install-packages
  169 21:20:26.973394  Creating /var/lib/lava/dispatcher/tmp/7922243/lava-overlay-g1bt66fv/lava-7922243/bin/lava-installed-packages
  170 21:20:26.973530  Creating /var/lib/lava/dispatcher/tmp/7922243/lava-overlay-g1bt66fv/lava-7922243/bin/lava-os-build
  171 21:20:26.973637  Creating /var/lib/lava/dispatcher/tmp/7922243/lava-overlay-g1bt66fv/lava-7922243/bin/lava-probe-channel
  172 21:20:26.973745  Creating /var/lib/lava/dispatcher/tmp/7922243/lava-overlay-g1bt66fv/lava-7922243/bin/lava-probe-ip
  173 21:20:26.973851  Creating /var/lib/lava/dispatcher/tmp/7922243/lava-overlay-g1bt66fv/lava-7922243/bin/lava-target-ip
  174 21:20:26.973958  Creating /var/lib/lava/dispatcher/tmp/7922243/lava-overlay-g1bt66fv/lava-7922243/bin/lava-target-mac
  175 21:20:26.974065  Creating /var/lib/lava/dispatcher/tmp/7922243/lava-overlay-g1bt66fv/lava-7922243/bin/lava-target-storage
  176 21:20:26.974175  Creating /var/lib/lava/dispatcher/tmp/7922243/lava-overlay-g1bt66fv/lava-7922243/bin/lava-test-case
  177 21:20:26.974299  Creating /var/lib/lava/dispatcher/tmp/7922243/lava-overlay-g1bt66fv/lava-7922243/bin/lava-test-event
  178 21:20:26.974418  Creating /var/lib/lava/dispatcher/tmp/7922243/lava-overlay-g1bt66fv/lava-7922243/bin/lava-test-feedback
  179 21:20:26.974524  Creating /var/lib/lava/dispatcher/tmp/7922243/lava-overlay-g1bt66fv/lava-7922243/bin/lava-test-raise
  180 21:20:26.974629  Creating /var/lib/lava/dispatcher/tmp/7922243/lava-overlay-g1bt66fv/lava-7922243/bin/lava-test-reference
  181 21:20:26.974739  Creating /var/lib/lava/dispatcher/tmp/7922243/lava-overlay-g1bt66fv/lava-7922243/bin/lava-test-runner
  182 21:20:26.974844  Creating /var/lib/lava/dispatcher/tmp/7922243/lava-overlay-g1bt66fv/lava-7922243/bin/lava-test-set
  183 21:20:26.974978  Creating /var/lib/lava/dispatcher/tmp/7922243/lava-overlay-g1bt66fv/lava-7922243/bin/lava-test-shell
  184 21:20:26.975085  Updating /var/lib/lava/dispatcher/tmp/7922243/lava-overlay-g1bt66fv/lava-7922243/bin/lava-add-keys (debian)
  185 21:20:26.975210  Updating /var/lib/lava/dispatcher/tmp/7922243/lava-overlay-g1bt66fv/lava-7922243/bin/lava-add-sources (debian)
  186 21:20:26.975321  Updating /var/lib/lava/dispatcher/tmp/7922243/lava-overlay-g1bt66fv/lava-7922243/bin/lava-install-packages (debian)
  187 21:20:26.975444  Updating /var/lib/lava/dispatcher/tmp/7922243/lava-overlay-g1bt66fv/lava-7922243/bin/lava-installed-packages (debian)
  188 21:20:26.975580  Updating /var/lib/lava/dispatcher/tmp/7922243/lava-overlay-g1bt66fv/lava-7922243/bin/lava-os-build (debian)
  189 21:20:26.975703  Creating /var/lib/lava/dispatcher/tmp/7922243/lava-overlay-g1bt66fv/lava-7922243/environment
  190 21:20:26.975789  LAVA metadata
  191 21:20:26.975855  - LAVA_JOB_ID=7922243
  192 21:20:26.975918  - LAVA_DISPATCHER_IP=192.168.201.1
  193 21:20:26.976016  start: 1.6.2.1 ssh-authorize (timeout 00:09:46) [common]
  194 21:20:26.976230  end: 1.6.2.1 ssh-authorize (duration 00:00:00) [common]
  195 21:20:26.976320  start: 1.6.2.2 lava-vland-overlay (timeout 00:09:46) [common]
  196 21:20:26.976386  skipped lava-vland-overlay
  197 21:20:26.976463  end: 1.6.2.2 lava-vland-overlay (duration 00:00:00) [common]
  198 21:20:26.976545  start: 1.6.2.3 lava-multinode-overlay (timeout 00:09:46) [common]
  199 21:20:26.976608  skipped lava-multinode-overlay
  200 21:20:26.976834  end: 1.6.2.3 lava-multinode-overlay (duration 00:00:00) [common]
  201 21:20:26.976918  start: 1.6.2.4 test-definition (timeout 00:09:46) [common]
  202 21:20:26.976990  Loading test definitions
  203 21:20:26.977079  start: 1.6.2.4.1 inline-repo-action (timeout 00:09:46) [common]
  204 21:20:26.977151  Using /lava-7922243 at stage 0
  205 21:20:26.977402  uuid=7922243_1.6.2.4.1 testdef=None
  206 21:20:26.977491  end: 1.6.2.4.1 inline-repo-action (duration 00:00:00) [common]
  207 21:20:26.977577  start: 1.6.2.4.2 test-overlay (timeout 00:09:46) [common]
  208 21:20:26.978040  end: 1.6.2.4.2 test-overlay (duration 00:00:00) [common]
  210 21:20:26.978326  start: 1.6.2.4.3 test-install-overlay (timeout 00:09:46) [common]
  211 21:20:26.978800  end: 1.6.2.4.3 test-install-overlay (duration 00:00:00) [common]
  213 21:20:26.979090  start: 1.6.2.4.4 test-runscript-overlay (timeout 00:09:46) [common]
  214 21:20:26.979581  runner path: /var/lib/lava/dispatcher/tmp/7922243/lava-overlay-g1bt66fv/lava-7922243/0/tests/0_timesync-off test_uuid 7922243_1.6.2.4.1
  215 21:20:26.979726  end: 1.6.2.4.4 test-runscript-overlay (duration 00:00:00) [common]
  217 21:20:26.979955  start: 1.6.2.4.5 git-repo-action (timeout 00:09:46) [common]
  218 21:20:26.980029  Using /lava-7922243 at stage 0
  219 21:20:26.980151  Fetching tests from https://github.com/kernelci/test-definitions.git
  220 21:20:26.980244  Running '/usr/bin/git clone https://github.com/kernelci/test-definitions.git /var/lib/lava/dispatcher/tmp/7922243/lava-overlay-g1bt66fv/lava-7922243/0/tests/1_kselftest-lkdtm'
  221 21:20:32.603789  Running '/usr/bin/git checkout kernelci.org
  222 21:20:32.742517  Tests stored (tmp) in /var/lib/lava/dispatcher/tmp/7922243/lava-overlay-g1bt66fv/lava-7922243/0/tests/1_kselftest-lkdtm/automated/linux/kselftest/kselftest.yaml
  223 21:20:32.743171  uuid=7922243_1.6.2.4.5 testdef=None
  224 21:20:32.743327  end: 1.6.2.4.5 git-repo-action (duration 00:00:06) [common]
  226 21:20:32.743567  start: 1.6.2.4.6 test-overlay (timeout 00:09:40) [common]
  227 21:20:32.744234  end: 1.6.2.4.6 test-overlay (duration 00:00:00) [common]
  229 21:20:32.744467  start: 1.6.2.4.7 test-install-overlay (timeout 00:09:40) [common]
  230 21:20:32.745417  end: 1.6.2.4.7 test-install-overlay (duration 00:00:00) [common]
  232 21:20:32.745660  start: 1.6.2.4.8 test-runscript-overlay (timeout 00:09:40) [common]
  233 21:20:32.746457  runner path: /var/lib/lava/dispatcher/tmp/7922243/lava-overlay-g1bt66fv/lava-7922243/0/tests/1_kselftest-lkdtm test_uuid 7922243_1.6.2.4.5
  234 21:20:32.746545  BOARD='imx6q-sabrelite'
  235 21:20:32.746607  BRANCH='cip'
  236 21:20:32.746665  SKIPFILE='skipfile-lkft.yaml'
  237 21:20:32.746723  TESTPROG_URL='http://storage.kernelci.org/cip/linux-5.10.y-cip/v5.10.153-cip19-3-gc76f4e7e5c71/arm/multi_v7_defconfig+kselftest/gcc-10/kselftest.tar.xz'
  238 21:20:32.746781  TST_CASENAME=''
  239 21:20:32.746836  TST_CMDFILES='lkdtm'
  240 21:20:32.746961  end: 1.6.2.4.8 test-runscript-overlay (duration 00:00:00) [common]
  242 21:20:32.747163  Creating lava-test-runner.conf files
  243 21:20:32.747225  Using lava-test-runner path: /var/lib/lava/dispatcher/tmp/7922243/lava-overlay-g1bt66fv/lava-7922243/0 for stage 0
  244 21:20:32.747307  - 0_timesync-off
  245 21:20:32.747372  - 1_kselftest-lkdtm
  246 21:20:32.747462  end: 1.6.2.4 test-definition (duration 00:00:06) [common]
  247 21:20:32.747545  start: 1.6.2.5 compress-overlay (timeout 00:09:40) [common]
  248 21:20:40.017321  end: 1.6.2.5 compress-overlay (duration 00:00:07) [common]
  249 21:20:40.017481  start: 1.6.2.6 persistent-nfs-overlay (timeout 00:09:33) [common]
  250 21:20:40.017573  end: 1.6.2.6 persistent-nfs-overlay (duration 00:00:00) [common]
  251 21:20:40.017667  end: 1.6.2 lava-overlay (duration 00:00:13) [common]
  252 21:20:40.017758  start: 1.6.3 extract-overlay-ramdisk (timeout 00:09:33) [common]
  253 21:20:40.081020  end: 1.6.3 extract-overlay-ramdisk (duration 00:00:00) [common]
  254 21:20:40.081342  start: 1.6.4 extract-modules (timeout 00:09:33) [common]
  255 21:20:40.081447  extracting modules file /var/lib/lava/dispatcher/tmp/7922243/tftp-deploy-c6o7r9rh/modules/modules.tar to /var/lib/lava/dispatcher/tmp/7922243/extract-nfsrootfs-6gi3h13n
  256 21:20:40.175312  extracting modules file /var/lib/lava/dispatcher/tmp/7922243/tftp-deploy-c6o7r9rh/modules/modules.tar to /var/lib/lava/dispatcher/tmp/7922243/extract-overlay-ramdisk-whxe9ewj/ramdisk
  257 21:20:40.267124  end: 1.6.4 extract-modules (duration 00:00:00) [common]
  258 21:20:40.267293  start: 1.6.5 apply-overlay-tftp (timeout 00:09:33) [common]
  259 21:20:40.267383  [common] Applying overlay to NFS
  260 21:20:40.267452  [common] Applying overlay /var/lib/lava/dispatcher/tmp/7922243/compress-overlay-smwmwl6x/overlay-1.6.2.5.tar.gz to directory /var/lib/lava/dispatcher/tmp/7922243/extract-nfsrootfs-6gi3h13n
  261 21:20:40.714724  end: 1.6.5 apply-overlay-tftp (duration 00:00:00) [common]
  262 21:20:40.714889  start: 1.6.6 prepare-kernel (timeout 00:09:32) [common]
  263 21:20:40.714992  start: 1.6.6.1 uboot-prepare-kernel (timeout 00:09:32) [common]
  264 21:20:40.715090  end: 1.6.6.1 uboot-prepare-kernel (duration 00:00:00) [common]
  265 21:20:40.715178  end: 1.6.6 prepare-kernel (duration 00:00:00) [common]
  266 21:20:40.715280  start: 1.6.7 configure-preseed-file (timeout 00:09:32) [common]
  267 21:20:40.715416  end: 1.6.7 configure-preseed-file (duration 00:00:00) [common]
  268 21:20:40.715516  start: 1.6.8 compress-ramdisk (timeout 00:09:32) [common]
  269 21:20:40.715605  Building ramdisk /var/lib/lava/dispatcher/tmp/7922243/extract-overlay-ramdisk-whxe9ewj/ramdisk.cpio containing /var/lib/lava/dispatcher/tmp/7922243/extract-overlay-ramdisk-whxe9ewj/ramdisk
  270 21:20:40.818419  >> 79899 blocks

  271 21:20:42.277149  Adding RAMdisk u-boot header.
  272 21:20:42.277484  mkimage -A arm -T ramdisk -C none -d /var/lib/lava/dispatcher/tmp/7922243/extract-overlay-ramdisk-whxe9ewj/ramdisk.cpio.gz /var/lib/lava/dispatcher/tmp/7922243/extract-overlay-ramdisk-whxe9ewj/ramdisk.cpio.gz.uboot
  273 21:20:42.309179  output: Image Name:   
  274 21:20:42.309503  output: Created:      Wed Nov  9 21:20:42 2022
  275 21:20:42.309577  output: Image Type:   ARM Linux RAMDisk Image (uncompressed)
  276 21:20:42.309641  output: Data Size:    15269421 Bytes = 14911.54 KiB = 14.56 MiB
  277 21:20:42.309703  output: Load Address: 00000000
  278 21:20:42.309762  output: Entry Point:  00000000
  279 21:20:42.309820  output: 
  280 21:20:42.309925  rename /var/lib/lava/dispatcher/tmp/7922243/extract-overlay-ramdisk-whxe9ewj/ramdisk.cpio.gz.uboot to /var/lib/lava/dispatcher/tmp/7922243/tftp-deploy-c6o7r9rh/ramdisk/ramdisk.cpio.gz.uboot
  281 21:20:42.310122  end: 1.6.8 compress-ramdisk (duration 00:00:02) [common]
  282 21:20:42.310238  end: 1.6 prepare-tftp-overlay (duration 00:00:17) [common]
  283 21:20:42.310338  start: 1.7 lxc-create-udev-rule-action (timeout 00:09:31) [common]
  284 21:20:42.310415  No LXC device requested
  285 21:20:42.310499  end: 1.7 lxc-create-udev-rule-action (duration 00:00:00) [common]
  286 21:20:42.310587  start: 1.8 deploy-device-env (timeout 00:09:31) [common]
  287 21:20:42.310667  end: 1.8 deploy-device-env (duration 00:00:00) [common]
  288 21:20:42.310737  Checking files for TFTP limit of 4294967296 bytes.
  289 21:20:42.311199  end: 1 tftp-deploy (duration 00:00:29) [common]
  290 21:20:42.311302  start: 2 uboot-action (timeout 00:05:00) [common]
  291 21:20:42.311403  start: 2.1 uboot-from-media (timeout 00:05:00) [common]
  292 21:20:42.311489  end: 2.1 uboot-from-media (duration 00:00:00) [common]
  293 21:20:42.311578  start: 2.2 bootloader-overlay (timeout 00:05:00) [common]
  294 21:20:42.311733  substitutions:
  295 21:20:42.311803  - {BOOTX}: bootz 0x10000000 0x14000000 0x13f00000
  296 21:20:42.311867  - {DTB_ADDR}: 0x13f00000
  297 21:20:42.311928  - {DTB}: 7922243/tftp-deploy-c6o7r9rh/dtb/imx6q-sabrelite.dtb
  298 21:20:42.311986  - {INITRD}: 7922243/tftp-deploy-c6o7r9rh/ramdisk/ramdisk.cpio.gz.uboot
  299 21:20:42.312043  - {KERNEL_ADDR}: 0x10000000
  300 21:20:42.312099  - {KERNEL}: 7922243/tftp-deploy-c6o7r9rh/kernel/zImage
  301 21:20:42.312156  - {LAVA_MAC}: None
  302 21:20:42.312211  - {NFSROOTFS}: /var/lib/lava/dispatcher/tmp/7922243/extract-nfsrootfs-6gi3h13n
  303 21:20:42.312268  - {NFS_SERVER_IP}: 192.168.201.1
  304 21:20:42.312322  - {PRESEED_CONFIG}: None
  305 21:20:42.312377  - {PRESEED_LOCAL}: None
  306 21:20:42.312434  - {RAMDISK_ADDR}: 0x14000000
  307 21:20:42.312489  - {RAMDISK}: 7922243/tftp-deploy-c6o7r9rh/ramdisk/ramdisk.cpio.gz.uboot
  308 21:20:42.312543  - {ROOT_PART}: None
  309 21:20:42.312597  - {ROOT}: None
  310 21:20:42.312652  - {SERVER_IP}: 192.168.201.1
  311 21:20:42.312749  - {TEE_ADDR}: 0x83000000
  312 21:20:42.312803  - {TEE}: None
  313 21:20:42.312858  Parsed boot commands:
  314 21:20:42.312911  - setenv autoload no
  315 21:20:42.312966  - setenv initrd_high 0xffffffff
  316 21:20:42.313021  - setenv fdt_high 0xffffffff
  317 21:20:42.313074  - dhcp
  318 21:20:42.313127  - setenv serverip 192.168.201.1
  319 21:20:42.313181  - tftp 0x10000000 7922243/tftp-deploy-c6o7r9rh/kernel/zImage
  320 21:20:42.313235  - tftp 0x14000000 7922243/tftp-deploy-c6o7r9rh/ramdisk/ramdisk.cpio.gz.uboot
  321 21:20:42.313289  - setenv initrd_size ${filesize}
  322 21:20:42.313342  - tftp 0x13f00000 7922243/tftp-deploy-c6o7r9rh/dtb/imx6q-sabrelite.dtb
  323 21:20:42.313397  - setenv bootargs 'console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/7922243/extract-nfsrootfs-6gi3h13n,tcp,hard  ip=dhcp'
  324 21:20:42.313453  - bootz 0x10000000 0x14000000 0x13f00000
  325 21:20:42.313527  end: 2.2 bootloader-overlay (duration 00:00:00) [common]
  327 21:20:42.313748  start: 2.3 connect-device (timeout 00:05:00) [common]
  328 21:20:42.313824  [common] connect-device Connecting to device using '/usr/bin/console -f -M localhost imx6q-sabrelite-lava-cbg-4'
  329 21:20:42.316413  Setting prompt string to ['lava-test: # ']
  330 21:20:42.316750  end: 2.3 connect-device (duration 00:00:00) [common]
  331 21:20:42.316856  start: 2.4 uboot-commands (timeout 00:05:00) [common]
  332 21:20:42.316953  start: 2.4.1 reset-device (timeout 00:05:00) [common]
  333 21:20:42.317044  start: 2.4.1.1 pdu-reboot (timeout 00:05:00) [common]
  334 21:20:42.317208  Calling: 'nice' 'pduclient' '--daemon=localhost' '--hostname=eth8020-0' '--port=2' '--command=reboot'
  335 21:20:42.335886  >> Command sent successfully.

  336 21:20:42.337864  Returned 0 in 0 seconds
  337 21:20:42.438921  end: 2.4.1.1 pdu-reboot (duration 00:00:00) [common]
  339 21:20:42.439296  end: 2.4.1 reset-device (duration 00:00:00) [common]
  340 21:20:42.439423  start: 2.4.2 bootloader-interrupt (timeout 00:05:00) [common]
  341 21:20:42.439538  Setting prompt string to ['Hit any key to stop autoboot']
  342 21:20:42.439634  bootloader-interrupt: Wait for prompt ['Hit any key to stop autoboot'] (timeout 00:05:00)
  343 21:20:42.439946  [Enter `^Ec?' for help]
  344 21:20:49.904799  
  345 21:20:49.904945  
  346 21:20:49.905012  U-Boot 2021.10+dfsg-1+apertis10bv2023dev2b2 (Apr 18 2022 - 16:34:49 +0000)
  347 21:20:49.905077  
  348 21:20:49.905138  CPU:   Freescale i.MX6Q rev1.2 at 792 MHz
  349 21:20:49.905196  Reset cause: POR
  350 21:20:49.905250  Model: Freescale i.MX6 Quad SABRE Lite Board
  351 21:20:49.905305  Board: SABRE Lite
  352 21:20:49.905359  I2C:   ready
  353 21:20:49.905413  DRAM:  1 GiB
  354 21:20:49.980779  MMC:   FSL_SDHC: 0, FSL_SDHC: 1
  355 21:20:49.980918  Loading Environment from SPIFlash... SF: Detected gd25q16 with page size 256 Bytes, erase size 4 KiB, total 2 MiB
  356 21:20:49.980988  *** Warning - bad CRC, using default environment
  357 21:20:49.981053  
  358 21:20:49.981113  In:    serial
  359 21:20:49.981169  Out:   serial
  360 21:20:49.981225  Err:   serial
  361 21:20:50.012587  Net:   using phy at 7
  362 21:20:50.012705  FEC [PRIME], usb_ether
  363 21:20:50.012786  Error: usb_ether address not set.
  364 21:20:50.012847  
  365 21:20:50.012907  starting USB...
  366 21:20:50.013001  Bus usb@2184000: usb dr_mode not found
  367 21:20:50.060498  Bus usb@2184200: USB EHCI 1.00
  368 21:20:53.108194  scanning bus usb@2184000 for devices... 1 USB Device(s) found
  369 21:20:58.250988  scanning bus usb@2184200 for devices... 2 USB Device(s) found
  370 21:20:58.251174         scanning usb for storage devices... 0 Storage Device(s) found
  371 21:20:58.251264         scanning usb for ethernet devices... 0 Ethernet Device(s) found
  372 21:20:58.905337  File System is consistent
  373 21:20:58.921218  file found, deleting
  374 21:20:59.161712  File System is consistent
  376 21:20:59.340441  Hit any key to stop autoboot:  3 
  377 21:20:59.341256  end: 2.4.2 bootloader-interrupt (duration 00:00:17) [common]
  378 21:20:59.341890  start: 2.4.3 bootloader-commands (timeout 00:04:43) [common]
  379 21:20:59.342352  Setting prompt string to ['=>']
  380 21:20:59.342783  bootloader-commands: Wait for prompt ['=>'] (timeout 00:04:43)
  381 21:20:59.353498   0 
  382 21:20:59.354520  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']
  383 21:20:59.354950  Sending with 10 millisecond of delay
  385 21:21:00.497968  => setenv autoload no
  386 21:21:00.508220  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)
  387 21:21:00.509131  setenv autoload no
  388 21:21:00.509392  Sending with 10 millisecond of delay
  390 21:21:02.319511  => setenv initrd_high 0xffffffff
  391 21:21:02.329898  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 00:04:40)
  392 21:21:02.330380  setenv initrd_high 0xffffffff
  393 21:21:02.330722  Sending with 10 millisecond of delay
  395 21:21:03.957611  => setenv fdt_high 0xffffffff
  396 21:21:03.968055  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 00:04:38)
  397 21:21:03.968550  setenv fdt_high 0xffffffff
  398 21:21:03.968967  Sending with 10 millisecond of delay
  400 21:21:04.262139  => dhcp
  401 21:21:04.272418  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 00:04:38)
  402 21:21:04.272696  dhcp
  403 21:21:04.367878  BOOTP broadcast 1
  404 21:21:04.384041  DHCP client bound to address 192.168.201.34 (3 ms)
  405 21:21:04.384650  Sending with 10 millisecond of delay
  407 21:21:06.194686  => setenv serverip 192.168.201.1
  408 21:21:06.204961  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 00:04:36)
  409 21:21:06.205131  setenv serverip 192.168.201.1
  410 21:21:06.205372  Sending with 10 millisecond of delay
  412 21:21:09.773345  => tftp 0x10000000 7922243/tftp-deploy-c6o7r9rh/kernel/zImage
  413 21:21:09.784113  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)
  414 21:21:09.785045  tftp 0x10000000 7922243/tftp-deploy-c6o7r9rh/kernel/zImage
  415 21:21:09.878408  Using FEC device
  416 21:21:09.905111  TFTP from server 192.168.201.1; our IP address is 192.168.201.34
  417 21:21:09.905664  Filename '7922243/tftp-deploy-c6o7r9rh/kernel/zImage'.
  418 21:21:09.906048  Load address: 0x10000000
  419 21:21:10.000497  Loading: *#################################################################
  420 21:21:10.096416  	 #################################################################
  421 21:21:10.176258  	 #################################################################
  422 21:21:10.272102  	 #################################################################
  423 21:21:10.368018  	 #################################################################
  424 21:21:10.447880  	 #################################################################
  425 21:21:10.511695  	 #################################################################
  426 21:21:10.623589  	 #################################################################
  427 21:21:10.703277  	 #################################################################
  428 21:21:10.783208  	 #################################################################
  429 21:21:10.847103  	 #################################################################
  430 21:21:10.926907  	 #################################################################
  431 21:21:10.990897  	 #################################################################
  432 21:21:11.013988  	 ####
  433 21:21:11.014176  	 10.8 MiB/s
  434 21:21:11.014268  done
  435 21:21:11.014350  Bytes transferred = 12452352 (be0200 hex)
  436 21:21:11.014626  Sending with 10 millisecond of delay
  438 21:21:15.551862  => tftp 0x14000000 7922243/tftp-deploy-c6o7r9rh/ramdisk/ramdisk.cpio.gz.uboot
  439 21:21:15.562866  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 00:04:27)
  440 21:21:15.566582  tftp 0x14000000 7922243/tftp-deploy-c6o7r9rh/ramdisk/ramdisk.cpio.gz.uboot
  441 21:21:15.686643  Using FEC device
  442 21:21:15.686797  TFTP from server 192.168.201.1; our IP address is 192.168.201.34
  443 21:21:15.686866  Filename '7922243/tftp-deploy-c6o7r9rh/ramdisk/ramdisk.cpio.gz.uboot'.
  444 21:21:15.686929  Load address: 0x14000000
  445 21:21:15.766553  Loading: *#################################################################
  446 21:21:15.830423  	 #################################################################
  447 21:21:15.910214  	 #################################################################
  448 21:21:15.990061  	 #################################################################
  449 21:21:16.069858  	 #################################################################
  450 21:21:16.133784  	 #################################################################
  451 21:21:16.213719  	 #################################################################
  452 21:21:16.293559  	 #################################################################
  453 21:21:16.373655  	 #################################################################
  454 21:21:16.437267  	 #################################################################
  455 21:21:16.517171  	 #################################################################
  456 21:21:16.581263  	 #################################################################
  457 21:21:16.596946  
  458 21:21:16.660843  	 #################################################################
  459 21:21:16.740619  	 #################################################################
  460 21:21:16.804545  	 #################################################################
  461 21:21:16.898662  	 #################################################################
  462 21:21:16.898815  	 #
  463 21:21:16.898885  	 12.1 MiB/s
  464 21:21:16.898950  done
  465 21:21:16.899011  Bytes transferred = 15269485 (e8fe6d hex)
  466 21:21:16.899256  Sending with 10 millisecond of delay
  468 21:21:18.761519  => setenv initrd_size ${filesize}
  469 21:21:18.771775  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)
  470 21:21:18.771959  setenv initrd_size ${filesize}
  471 21:21:18.772202  Sending with 10 millisecond of delay
  473 21:21:22.928547  => tftp 0x13f00000 7922243/tftp-deploy-c6o7r9rh/dtb/imx6q-sabrelite.dtb
  474 21:21:22.938800  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)
  475 21:21:22.938970  tftp 0x13f00000 7922243/tftp-deploy-c6o7r9rh/dtb/imx6q-sabrelite.dtb
  476 21:21:23.031634  Using FEC device
  477 21:21:23.067472  TFTP from server 192.168.201.1; our IP address is 192.168.201.34
  478 21:21:23.067558  Filename '7922243/tftp-deploy-c6o7r9rh/dtb/imx6q-sabrelite.dtb'.
  479 21:21:23.067624  Load address: 0x13f00000
  480 21:21:23.067684  Loading: *###
  481 21:21:23.067742  	 10.1 MiB/s
  482 21:21:23.067798  done
  483 21:21:23.067853  Bytes transferred = 42449 (a5d1 hex)
  484 21:21:23.068081  Sending with 10 millisecond of delay
  486 21:21:33.001591  => setenv bootargs 'console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/7922243/extract-nfsrootfs-6gi3h13n,tcp,hard  ip=dhcp'
  487 21:21:33.012521  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 00:04:09)
  488 21:21:33.018837  setenv bootargs 'console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/7922243/extract-nfsrootfs-6gi3h13n,tcp,hard  ip=dhcp'
  489 21:21:33.019652  Sending with 10 millisecond of delay
  491 21:21:35.376074  => bootz 0x10000000 0x14000000 0x13f00000
  492 21:21:35.386868  Setting prompt string to 'Starting kernel'
  493 21:21:35.387342  Setting prompt string to ['Starting kernel']
  494 21:21:35.387713  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']
  495 21:21:35.388106  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 00:04:07)
  496 21:21:35.389041  bootz 0x10000000 0x14000000 0x13f00000
  497 21:21:35.389412  Kernel image @ 0x10000000 [ 0x000000 - 0xbe0200 ]
  498 21:21:35.419790  ## Loading init Ramdisk from Legacy Image at 14000000 ...
  499 21:21:35.420330     Image Name:   
  500 21:21:35.420695     Image Type:   ARM Linux RAMDisk Image (uncompressed)
  501 21:21:35.421024     Data Size:    15269421 Bytes = 14.6 MiB
  502 21:21:35.421329     Load Address: 00000000
  503 21:21:35.421624     Entry Point:  00000000
  504 21:21:35.607349     Verifying Checksum ... OK
  505 21:21:35.607885  ## Flattened Device Tree blob at 13f00000
  506 21:21:35.608229     Booting using the fdt blob at 0x13f00000
  507 21:21:35.608545     Using Device Tree in place at 13f00000, end 13f0d5d0
  508 21:21:35.608886  
  509 21:21:35.609187  Starting kernel ...
  510 21:21:35.609477  
  511 21:21:35.610228  end: 2.4.3 bootloader-commands (duration 00:00:36) [common]
  512 21:21:35.610706  start: 2.4.4 auto-login-action (timeout 00:04:07) [common]
  513 21:21:35.611073  Setting prompt string to ['Linux version [0-9]']
  514 21:21:35.611422  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']
  515 21:21:35.611783  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)
  516 21:21:44.275790  [    0.000000] Booting Linux on physical CPU 0x0
  517 21:21:44.276406  [    0.000000] Linux version 5.10.153-cip19 (KernelCI@build-j483450-arm-gcc-10-multi-v7-defconfig-kselftest-4zhz6) (arm-linux-gnueabihf-gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Wed Nov 9 20:58:40 UTC 2022
  518 21:21:44.276857  [    0.000000] CPU: ARMv7 Processor [412fc09a] revision 10 (ARMv7), cr=10c5387d
  519 21:21:44.277256  [    0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache
  520 21:21:44.278306  start: 2.4.4.1 login-action (timeout 00:03:58) [common]
  521 21:21:44.279016  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.
  522 21:21:44.279589  Setting prompt string to ['-+\\[ cut here \\]-+\\s+(.*\\s+-+\\[ end trace (\\w*) \\]-+)', '(Unhandled fault.*)\\r\\n', 'Kernel panic - (.*) end Kernel panic', 'Stack:\\s+(.*\\s+-+\\[ end trace (\\w*) \\]-+)', '^[^\\n]+WARNING:.*?$', '^[^\\n]+Oops(?: -|:).*?$', '^[^\\n]+BUG:.*?$']
  523 21:21:44.280041  Using line separator: #'\n'#
  524 21:21:44.280409  No login prompt set.
  525 21:21:44.280819  Parsing kernel messages
  526 21:21:44.281099  ['-+\\[ cut here \\]-+\\s+(.*\\s+-+\\[ end trace (\\w*) \\]-+)', '(Unhandled fault.*)\\r\\n', 'Kernel panic - (.*) end Kernel panic', 'Stack:\\s+(.*\\s+-+\\[ end trace (\\w*) \\]-+)', '^[^\\n]+WARNING:.*?$', '^[^\\n]+Oops(?: -|:).*?$', '^[^\\n]+BUG:.*?$', '/ #', 'Login timed out', 'Login incorrect']
  527 21:21:44.281210  [login-action] Waiting for messages, (timeout 00:03:58)
  528 21:21:44.319515  [    0.000000] OF: fdt: Machine model: Freescale i.MX6 Quad SABRE Lite Board
  529 21:21:44.320107  [    0.000000] Memory policy: Data cache writealloc
  530 21:21:44.320502  [    0.000000] efi: UEFI not found.
  531 21:21:44.320910  [    0.000000] OF: fdt: Reserved memory: unsupported node format, ignoring
  532 21:21:44.321271  [    0.000000] cma: Reserved 64 MiB at 0x4c000000
  533 21:21:44.321613  [    0.000000] Zone ranges:
  534 21:21:44.321945  [    0.000000]   DMA      [mem 0x0000000010000000-0x000000003fffffff]
  535 21:21:44.322333  [    0.000000]   Normal   empty
  536 21:21:44.322664  [    0.000000]   HighMem  [mem 0x0000000040000000-0x000000004fffffff]
  537 21:21:44.362973  [    0.000000] Movable zone start for each node
  538 21:21:44.363577  [    0.000000] Early memory node ranges
  539 21:21:44.363973  [    0.000000]   node   0: [mem 0x0000000010000000-0x000000004fffffff]
  540 21:21:44.364337  [    0.000000] Initmem setup node 0 [mem 0x0000000010000000-0x000000004fffffff]
  541 21:21:44.364720  [    0.000000] percpu: Embedded 21 pages/cpu s55468 r8192 d22356 u86016
  542 21:21:44.365072  [    0.000000] Built 1 zonelists, mobility grouping on.  Total pages: 260608
  543 21:21:44.406234  [    0.000000] Kernel command line: console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/7922243/extract-nfsrootfs-6gi3h13n,tcp,hard  ip=dhcp
  544 21:21:44.406787  [    0.000000] Dentry cache hash table entries: 131072 (order: 7, 524288 bytes, linear)
  545 21:21:44.407190  [    0.000000] Inode-cache hash table entries: 65536 (order: 6, 262144 bytes, linear)
  546 21:21:44.407554  [    0.000000] mem auto-init: stack:off, heap alloc:off, heap free:off
  547 21:21:44.407907  [    0.000000] Memory: 921608K/1048576K available (17408K kernel code, 2654K rwdata, 8120K rodata, 2048K init, 6693K bss, 61432K reserved, 65536K cma-reserved, 196608K highmem)
  548 21:21:44.449943  [    0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1
  549 21:21:44.450543  [    0.000000] ftrace: allocating 56051 entries in 165 pages
  550 21:21:44.450936  [    0.000000] ftrace: allocated 165 pages with 4 groups
  551 21:21:44.451300  [    0.000000] Running RCU self tests
  552 21:21:44.451650  [    0.000000] rcu: Hierarchical RCU implementation.
  553 21:21:44.451990  [    0.000000] rcu: 	RCU event tracing is enabled.
  554 21:21:44.452326  [    0.000000] rcu: 	RCU lockdep checking is enabled.
  555 21:21:44.452683  [    0.000000] rcu: 	RCU restricting CPUs from NR_CPUS=16 to nr_cpu_ids=4.
  556 21:21:44.453023  [    0.000000] 	Rude variant of Tasks RCU enabled.
  557 21:21:44.493622  [    0.000000] 	Tracing variant of Tasks RCU enabled.
  558 21:21:44.494224  [    0.000000] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies.
  559 21:21:44.494616  [    0.000000] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4
  560 21:21:44.494978  [    0.000000] NR_IRQS: 16, nr_irqs: 16, preallocated irqs: 16
  561 21:21:44.495321  [    0.000000] L2C-310 errata 752271 769419 enabled
  562 21:21:44.495655  [    0.000000] L2C-310 enabling early BRESP for Cortex-A9
  563 21:21:44.495984  [    0.000000] L2C-310 full line of zeros enabled for Cortex-A9
  564 21:21:44.536787  [    0.000000] L2C-310 ID prefetch enabled, offset 16 lines
  565 21:21:44.537380  [    0.000000] L2C-310 dynamic clock gating enabled, standby mode enabled
  566 21:21:44.537769  [    0.000000] L2C-310 cache controller enabled, 16 ways, 1024 kB
  567 21:21:44.538127  [    0.000000] L2C-310: CACHE_ID 0x410000c7, AUX_CTRL 0x76470001
  568 21:21:44.538467  [    0.000000] Switching to timer-based delay loop, resolution 333ns
  569 21:21:44.538800  [    0.000009] sched_clock: 32 bits at 3000kHz, resolution 333ns, wraps every 715827882841ns
  570 21:21:44.579987  [    0.000041] clocksource: mxc_timer1: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 637086815595 ns
  571 21:21:44.580131  [    0.004611] Console: colour dummy device 80x30
  572 21:21:44.580198  [    0.004676] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar
  573 21:21:44.580261  [    0.004705] ... MAX_LOCKDEP_SUBCLASSES:  8
  574 21:21:44.580321  [    0.004733] ... MAX_LOCK_DEPTH:          48
  575 21:21:44.580379  [    0.004761] ... MAX_LOCKDEP_KEYS:        8192
  576 21:21:44.580436  [    0.004787] ... CLASSHASH_SIZE:          4096
  577 21:21:44.580491  [    0.004813] ... MAX_LOCKDEP_ENTRIES:     32768
  578 21:21:44.580562  [    0.004839] ... MAX_LOCKDEP_CHAINS:      65536
  579 21:21:44.580619  [    0.004866] ... CHAINHASH_SIZE:          32768
  580 21:21:44.623935  
  581 21:21:44.624112  [    0.004891]  memory used by lock dependency info: 4061 kB
  582 21:21:44.624197  [    0.004918]  memory used for stack traces: 2112 kB
  583 21:21:44.624274  [    0.004945]  per task-struct memory footprint: 1536 bytes
  584 21:21:44.624349  [    0.005043] Calibrating delay loop (skipped), value calculated using timer frequency.. 6.00 BogoMIPS (lpj=30000)
  585 21:21:44.624422  [    0.005094] pid_max: default: 32768 minimum: 301
  586 21:21:44.624493  [    0.005477] LSM: Security Framework initializing
  587 21:21:44.624562  [    0.005590] LSM support for eBPF active
  588 21:21:44.667929  [    0.005734] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes, linear)
  589 21:21:44.668507  [    0.005785] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes, linear)
  590 21:21:44.668934  [    0.008351] CPU: Testing write buffer coherency: ok
  591 21:21:44.669298  [    0.008471] CPU0: Spectre v2: using BPIALL workaround
  592 21:21:44.669647  [    0.009577] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000
  593 21:21:44.669983  [    0.013525] Setting up static identity map for 0x10300000 - 0x103000ac
  594 21:21:44.670315  [    0.015983] rcu: Hierarchical SRCU implementation.
  595 21:21:44.670640  [    0.025718] EFI services will not be available.
  596 21:21:44.711371  [    0.027047] smp: Bringing up secondary CPUs ...
  597 21:21:44.711908  [    0.030454] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001
  598 21:21:44.712263  [    0.030469] CPU1: Spectre v2: using BPIALL workaround
  599 21:21:44.712589  [    0.034574] CPU2: thread -1, cpu 2, socket 0, mpidr 80000002
  600 21:21:44.712939  [    0.034588] CPU2: Spectre v2: using BPIALL workaround
  601 21:21:44.713248  [    0.038331] CPU3: thread -1, cpu 3, socket 0, mpidr 80000003
  602 21:21:44.713547  [    0.038347] CPU3: Spectre v2: using BPIALL workaround
  603 21:21:44.713841  [    0.039250] smp: Brought up 1 node, 4 CPUs
  604 21:21:44.754902  [    0.039294] SMP: Total of 4 processors activated (24.00 BogoMIPS).
  605 21:21:44.755447  [    0.039332] CPU: All CPU(s) started in SVC mode.
  606 21:21:44.755799  [    0.041970] devtmpfs: initialized
  607 21:21:44.756127  [    0.099946] VFP support v0.3: implementor 41 architecture 3 part 30 variant 9 rev 4
  608 21:21:44.756445  [    0.102613] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
  609 21:21:44.756788  [    0.102689] futex hash table entries: 1024 (order: 4, 65536 bytes, linear)
  610 21:21:44.757099  [    0.107459] pinctrl core: initialized pinctrl subsystem
  611 21:21:44.798094  [    0.114519] DMI not present or invalid.
  612 21:21:44.798535  [    0.116881] NET: Registered protocol family 16
  613 21:21:44.798881  [    0.128438] DMA: preallocated 256 KiB pool for atomic coherent allocations
  614 21:21:44.799206  [    0.138034] thermal_sys: Registered thermal governor 'step_wise'
  615 21:21:44.799520  [    0.138603] cpuidle: using governor menu
  616 21:21:44.799819  [    0.139198] CPU identified as i.MX6Q, silicon rev 1.2
  617 21:21:44.800118  [    0.889460] vdd1p1: supplied by regulator-dummy
  618 21:21:44.800414  [    0.921398] vdd3p0: supplied by regulator-dummy
  619 21:21:44.800736  [    0.952931] vdd2p5: supplied by regulator-dummy
  620 21:21:44.842082  [    0.984499] vddarm: supplied by regulator-dummy
  621 21:21:44.842620  [    1.017009] vddpu: supplied by regulator-dummy
  622 21:21:44.842968  [    1.047606] vddsoc: supplied by regulator-dummy
  623 21:21:44.843293  [    2.388471] No ATAGs?
  624 21:21:44.843601  [    2.389526] hw-breakpoint: found 5 (+1 reserved) breakpoint and 1 watchpoint registers.
  625 21:21:44.843909  [    2.389613] hw-breakpoint: maximum watchpoint size is 4 bytes.
  626 21:21:44.844211  [    2.409364] imx6q-pinctrl 20e0000.pinctrl: initialized IMX pinctrl driver
  627 21:21:44.844511  [    2.438788] Serial: AMBA PL011 UART driver
  628 21:21:44.844841  [    2.503861] Kprobes globally optimized
  629 21:21:44.885692  [    2.624267] iommu: Default domain type: Translated 
  630 21:21:44.886227  [    2.626385] vgaarb: loaded
  631 21:21:44.886578  [    2.631405] SCSI subsystem initialized
  632 21:21:44.886905  [    2.633585] usbcore: registered new interface driver usbfs
  633 21:21:44.887218  [    2.633898] usbcore: registered new interface driver hub
  634 21:21:44.887523  [    2.634140] usbcore: registered new device driver usb
  635 21:21:44.887822  [    2.641957] i2c i2c-0: IMX I2C adapter registered
  636 21:21:44.888118  [    2.649125] i2c i2c-1: IMX I2C adapter registered
  637 21:21:44.888410  [    2.653685] i2c i2c-2: IMX I2C adapter registered
  638 21:21:44.929315  [    2.658332] pps_core: LinuxPPS API ver. 1 registered
  639 21:21:44.929851  [    2.658374] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@linux.it>
  640 21:21:44.930205  [    2.658476] PTP clock support registered
  641 21:21:44.930530  [    2.675525] clocksource: Switched to clocksource mxc_timer1
  642 21:21:44.930842  [    4.436687] NET: Registered protocol family 2
  643 21:21:44.931149  [    4.437448] IP idents hash table entries: 16384 (order: 5, 131072 bytes, linear)
  644 21:21:44.931453  [    4.440874] tcp_listen_portaddr_hash hash table entries: 512 (order: 2, 22528 bytes, linear)
  645 21:21:44.973199  [    4.441058] TCP established hash table entries: 8192 (order: 3, 32768 bytes, linear)
  646 21:21:44.973787  [    4.441289] TCP bind hash table entries: 8192 (order: 6, 327680 bytes, linear)
  647 21:21:44.974187  [    4.442728] TCP: Hash tables configured (established 8192 bind 8192)
  648 21:21:44.974548  [    4.443790] MPTCP token hash table entries: 1024 (order: 3, 49152 bytes, linear)
  649 21:21:44.974891  [    4.444139] UDP hash table entries: 512 (order: 3, 49152 bytes, linear)
  650 21:21:44.975231  [    4.444416] UDP-Lite hash table entries: 512 (order: 3, 49152 bytes, linear)
  651 21:21:45.017189  [    4.445177] NET: Registered protocol family 1
  652 21:21:45.017769  [    4.448125] RPC: Registered named UNIX socket transport module.
  653 21:21:45.018162  [    4.448215] RPC: Registered udp transport module.
  654 21:21:45.018525  [    4.448257] RPC: Registered tcp transport module.
  655 21:21:45.018872  [    4.448299] RPC: Registered tcp NFSv4.1 backchannel transport module.
  656 21:21:45.019210  [    4.448353] NET: Registered protocol family 44
  657 21:21:45.019539  [    4.448420] PCI: CLS 0 bytes, default 64
  658 21:21:45.019865  [    4.450903] Trying to unpack rootfs image as initramfs...
  659 21:21:45.020193  [    6.339953] Freeing initrd memory: 14912K
  660 21:21:45.061204  [    6.341271] hw perfevents: no interrupt-affinity property for /pmu, guessing.
  661 21:21:45.061782  [    6.342584] hw perfevents: enabled with armv7_cortex_a9 PMU driver, 7 counters available
  662 21:21:45.062178  [    6.351881] Initialise system trusted keyrings
  663 21:21:45.062553  [    6.353271] workingset: timestamp_bits=30 max_order=18 bucket_order=0
  664 21:21:45.062867  [    6.404855] squashfs: version 4.0 (2009/01/31) Phillip Lougher
  665 21:21:45.063174  [    6.408779] NFS: Registering the id_resolver key type
  666 21:21:45.063474  [    6.408963] Key type id_resolver registered
  667 21:21:45.063769  [    6.409057] Key type id_legacy registered
  668 21:21:45.105217  [    6.409735] nfs4filelayout_init: NFSv4 File Layout Driver Registering...
  669 21:21:45.105758  [    6.409841] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering...
  670 21:21:45.106118  [    6.410037] ntfs: driver 2.1.32 [Flags: R/O].
  671 21:21:45.106450  [    6.412270] Key type asymmetric registered
  672 21:21:45.106765  [    6.412392] Asymmetric key parser 'x509' registered
  673 21:21:45.107072  [    6.412833] bounce: pool size: 64 pages
  674 21:21:45.107377  [    6.413018] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 247)
  675 21:21:45.107682  [    6.413126] io scheduler mq-deadline registered
  676 21:21:45.149213  [    6.413169] io scheduler kyber registered
  677 21:21:45.149796  [    6.414177] test_firmware: interface ready
  678 21:21:45.150187  [    6.596698] mxs-dma 110000.dma-apbh: initialized
  679 21:21:45.150548  [    6.662665] imx-sdma 20ec000.sdma: Direct firmware load for imx/sdma/sdma-imx6q.bin failed with error -2
  680 21:21:45.150896  [    6.662923] imx-sdma 20ec000.sdma: external firmware not found, using ROM firmware
  681 21:21:45.151236  [    6.933684] Serial: 8250/16550 driver, 5 ports, IRQ sharing enabled
  682 21:21:45.151570  [    6.954891] SuperH (H)SCI(F) driver initialized
  683 21:21:45.197537  [    6.958017] 2020000.serial: ttymxc0 at MMIO 0x2020000 (irq = 34, base_baud = 5000000) is a IMX
  684 21:21:45.198081  [    6.963309] 21e8000.serial: ttymxc1 at MMIO 0x21e8000 (irq = 81, base_baud = 5000000) is a IMX
  685 21:21:45.198438  [    7.894444] printk: console [ttymxc1] enabled
  686 21:21:45.198766  [    7.905382] msm_serial: driver initialized
  687 21:21:45.199079  [    7.910729] STMicroelectronics ASC driver initialized
  688 21:21:45.199385  [    7.922476] STM32 USART driver initialized
  689 21:21:45.237219  [    7.949420] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 0
  690 21:21:45.273227  [    7.972036] panel-simple panel-lcd: supply power not found, using dummy regulator
  691 21:21:45.273775  [    7.980567] panel-simple panel-lcd: Specify missing connector_type
  692 21:21:45.274133  [    7.988540] panel-simple panel-lvds0: supply power not found, using dummy regulator
  693 21:21:45.320940  [    8.044892] brd: module loaded
  694 21:21:45.399778  [    8.108600] loop: module loaded
  695 21:21:45.400233  [    8.115247] lkdtm: No crash points registered, enable through debugfs
  696 21:21:45.449728  [    8.138035] ahci-imx 2200000.sata: fsl,transmit-level-mV not specified, using 00000024
  697 21:21:45.450278  [    8.146088] ahci-imx 2200000.sata: fsl,transmit-boost-mdB not specified, using 00000480
  698 21:21:45.450642  [    8.154137] ahci-imx 2200000.sata: fsl,transmit-atten-16ths not specified, using 00002000
  699 21:21:45.450971  [    8.162422] ahci-imx 2200000.sata: fsl,receive-eq-mdB not specified, using 05000000
  700 21:21:45.451284  [    8.170492] ahci-imx 2200000.sata: supply ahci not found, using dummy regulator
  701 21:21:45.505709  [    8.178769] ahci-imx 2200000.sata: supply phy not found, using dummy regulator
  702 21:21:45.506255  [    8.186641] ahci-imx 2200000.sata: supply target not found, using dummy regulator
  703 21:21:45.506615  [    8.198006] ahci-imx 2200000.sata: SSS flag set, parallel bus scan disabled
  704 21:21:45.506945  [    8.205037] ahci-imx 2200000.sata: AHCI 0001.0300 32 slots 1 ports 3 Gbps 0x1 impl platform mode
  705 21:21:45.507262  [    8.213973] ahci-imx 2200000.sata: flags: ncq sntf stag pm led clo only pmp pio slum part ccc apst 
  706 21:21:45.507576  [    8.228629] scsi host0: ahci-imx
  707 21:21:45.549213  [    8.234288] ata1: SATA max UDMA/133 mmio [mem 0x02200000-0x02203fff] port 0x100 irq 84
  708 21:21:45.597415  [    8.301091] bgmac_bcma: Broadcom 47xx GBit MAC driver loaded
  709 21:21:45.597861  [    8.314968] pps pps0: new PPS source ptp0
  710 21:21:45.672347  [    8.361851] fec 2188000.ethernet eth0: registered PHC device 0
  711 21:21:45.672874  [    8.372695] e1000e: Intel(R) PRO/1000 Network Driver
  712 21:21:45.673239  [    8.377764] e1000e: Copyright(c) 1999 - 2015 Intel Corporation.
  713 21:21:45.673573  [    8.383969] igb: Intel(R) Gigabit Ethernet Network Driver
  714 21:21:45.673893  [    8.389457] igb: Copyright (c) 2007-2014 Intel Corporation.
  715 21:21:45.733286  [    8.417945] pegasus: v0.9.3 (2013/04/25), Pegasus/Pegasus II USB Ethernet driver
  716 21:21:45.733732  [    8.425638] usbcore: registered new interface driver pegasus
  717 21:21:45.734083  [    8.431547] usbcore: registered new interface driver asix
  718 21:21:45.734410  [    8.437189] usbcore: registered new interface driver ax88179_178a
  719 21:21:45.734732  [    8.443482] usbcore: registered new interface driver cdc_ether
  720 21:21:45.735040  [    8.449626] usbcore: registered new interface driver smsc75xx
  721 21:21:45.735338  [    8.455682] usbcore: registered new interface driver smsc95xx
  722 21:21:45.777175  [    8.461610] usbcore: registered new interface driver net1080
  723 21:21:45.777616  [    8.467516] usbcore: registered new interface driver cdc_subset
  724 21:21:45.777965  [    8.473632] usbcore: registered new interface driver zaurus
  725 21:21:45.778288  [    8.479547] usbcore: registered new interface driver cdc_ncm
  726 21:21:45.816649  [    8.498479] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
  727 21:21:45.817271  [    8.505124] ehci-pci: EHCI PCI platform driver
  728 21:21:45.817824  [    8.509826] ehci-platform: EHCI generic platform driver
  729 21:21:45.818370  [    8.516182] ehci-orion: EHCI orion driver
  730 21:21:45.818904  [    8.521155] SPEAr-ehci: EHCI SPEAr driver
  731 21:21:45.819374  [    8.526149] ehci-st: EHCI STMicroelectronics driver
  732 21:21:45.819832  [    8.531945] ehci-exynos: EHCI Exynos driver
  733 21:21:45.820278  [    8.537091] ehci-atmel: EHCI Atmel driver
  734 21:21:45.820750  [    8.542006] tegra-ehci: Tegra EHCI driver
  735 21:21:45.863155  [    8.547051] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
  736 21:21:45.863363  [    8.553398] ohci-pci: OHCI PCI platform driver
  737 21:21:45.863515  [    8.558114] ohci-platform: OHCI generic platform driver
  738 21:21:45.863657  [    8.564386] SPEAr-ohci: OHCI SPEAr driver
  739 21:21:45.863797  [    8.569396] ohci-st: OHCI STMicroelectronics driver
  740 21:21:45.863934  [    8.575199] ohci-atmel: OHCI Atmel driver
  741 21:21:45.864070  [    8.578178] ata1: SATA link down (SStatus 0 SControl 300)
  742 21:21:45.864206  [    8.582915] usbcore: registered new interface driver usb-storage
  743 21:21:45.904837  [    8.584999] ahci-imx 2200000.sata: no device found, disabling link.
  744 21:21:45.905008  [    8.597142] ahci-imx 2200000.sata: pass ahci_imx..hotplug=1 to enable hotplug
  745 21:21:45.905111  [    8.624660] i2c /dev entries driver
  746 21:21:46.056207  [    8.713944] sdhci: Secure Digital Host Controller Interface driver
  747 21:21:46.056419  [    8.720240] sdhci: Copyright(c) Pierre Ossman
  748 21:21:46.056535  [    8.734554] Synopsys Designware Multimedia Card Interface Driver
  749 21:21:46.056642  [    8.748365] sdhci-pltfm: SDHCI platform and OF driver helper
  750 21:21:46.056786  [    8.757987] sdhci-esdhc-imx 2198000.mmc: Got CD GPIO
  751 21:21:46.056889  [    8.763212] sdhci-esdhc-imx 2198000.mmc: Got WP GPIO
  752 21:21:46.056991  [    8.771923] sdhci-esdhc-imx 219c000.mmc: Got CD GPIO
  753 21:21:46.057081  [    8.779523] ledtrig-cpu: registered to indicate activity on CPUs
  754 21:21:46.125601  [    8.789573] usbcore: registered new interface driver usbhid
  755 21:21:46.125786  [    8.795184] usbhid: USB HID core driver
  756 21:21:46.125877  [    8.806783] mmc2: SDHCI controller on 2198000.mmc [2198000.mmc] using ADMA
  757 21:21:46.125961  [    8.818673] mmc3: SDHCI controller on 219c000.mmc [219c000.mmc] using ADMA
  758 21:21:46.126040  [    8.824667] ipip: IPv4 and MPLS over IPv4 tunneling driver
  759 21:21:46.126118  [    8.833842] gre: GRE over IPv4 demultiplexor driver
  760 21:21:46.126196  [    8.838848] ip_gre: GRE over IPv4 tunneling driver
  761 21:21:46.126270  [    8.849955] IPv4 over IPsec tunneling driver
  762 21:21:46.179642  [    8.859691] NET: Registered protocol family 10
  763 21:21:46.180228  [    8.864466] mmc2: new high speed SDHC card at address 59b4
  764 21:21:46.180622  [    8.871914] Segment Routing with IPv6
  765 21:21:46.181014  [    8.874394] mmcblk2: mmc2:59b4 SD    14.7 GiB 
  766 21:21:46.181364  [    8.882660] ip6_gre: GRE over IPv6 tunneling driver
  767 21:21:46.181704  [    8.890867] NET: Registered protocol family 17
  768 21:21:46.182036  [    8.896701] 8021q: 802.1Q VLAN Support v1.8
  769 21:21:46.182364  [    8.898727] GPT:Primary header thinks Alt. header is not at the end of the disk.
  770 21:21:46.182691  [    8.901893] Key type dns_resolver registered
  771 21:21:46.229481  [    8.908485] GPT:7812499 != 30863359
  772 21:21:46.230022  [    8.908503] GPT:Alternate GPT header not at the end of the disk.
  773 21:21:46.230374  [    8.908520] GPT:7812499 != 30863359
  774 21:21:46.230701  [    8.908536] GPT: Use GNU Parted to correct GPT errors.
  775 21:21:46.231017  [    8.908621]  mmcblk2: p1 p2 p3
  776 21:21:46.231322  [    8.932014] ThumbEE CPU extension supported.
  777 21:21:46.231622  [    8.938834] Registering SWP/SWPB emulation handler
  778 21:21:46.231917  [    8.945069] Loading compiled-in X.509 certificates
  779 21:21:46.445058  [    9.136016] panel-simple panel-lcd: supply power not found, using dummy regulator
  780 21:21:46.445594  [    9.144412] panel-simple panel-lcd: Specify missing connector_type
  781 21:21:46.445941  [    9.157874] panel-simple panel-lvds0: supply power not found, using dummy regulator
  782 21:21:46.501241  [    9.194911] imx_usb 2184200.usb: No over current polarity defined
  783 21:21:46.501796  [    9.208461] ci_hdrc ci_hdrc.1: EHCI Host Controller
  784 21:21:46.502141  [    9.213700] ci_hdrc ci_hdrc.1: new USB bus registered, assigned bus number 1
  785 21:21:46.533314  [    9.246167] ci_hdrc ci_hdrc.1: USB 2.0 started, EHCI 1.00
  786 21:21:46.558103  [    9.267554] hub 1-0:1.0: USB hub found
  787 21:21:46.558672  [    9.273898] hub 1-0:1.0: 1 port detected
  788 21:21:46.579172  [    9.290883] imx_thermal 20c8000.anatop:tempmon: Automotive CPU temperature grade - max:125C critical:120C passive:115C
  789 21:21:46.635062  [    9.323982] panel-simple panel-lcd: supply power not found, using dummy regulator
  790 21:21:46.635636  [    9.332365] panel-simple panel-lcd: Specify missing connector_type
  791 21:21:46.636014  [    9.345843] panel-simple panel-lvds0: supply power not found, using dummy regulator
  792 21:21:46.683657  [    9.377591] panel-simple panel-lcd: supply power not found, using dummy regulator
  793 21:21:46.684191  [    9.385933] panel-simple panel-lcd: Specify missing connector_type
  794 21:21:46.684534  [    9.399320] panel-simple panel-lvds0: supply power not found, using dummy regulator
  795 21:21:46.706812  [    9.419086] input: gpio-keys as /devices/platform/gpio-keys/input/input0
  796 21:21:46.755839  [    9.448825] panel-simple panel-lcd: supply power not found, using dummy regulator
  797 21:21:46.756375  [    9.457199] panel-simple panel-lcd: Specify missing connector_type
  798 21:21:46.756752  [    9.470644] panel-simple panel-lvds0: supply power not found, using dummy regulator
  799 21:21:46.797434  [    9.492834] Micrel KSZ9021 Gigabit PHY 2188000.ethernet-1:07: attached PHY driver [Micrel KSZ9021 Gigabit PHY] (mii_bus:phy_addr=2188000.ethernet-1:07, irq=POLL)
  800 21:21:46.797968  [    9.508288] IP-Config: Failed to open gretap0
  801 21:21:46.798307  [    9.512693] IP-Config: Failed to open erspan0
  802 21:21:46.954356  [    9.546043] Sending DHCP requests .
  803 21:21:46.954884  [    9.665812] usb 1-1: new high-speed USB device number 2 using ci_hdrc
  804 21:21:47.174041  [    9.885101] hub 1-1:1.0: USB hub found
  805 21:21:47.174612  [    9.889547] hub 1-1:1.0: 3 ports detected
  806 21:21:47.218558  [    9.924964] panel-simple panel-lcd: supply power not found, using dummy regulator
  807 21:21:47.219056  [    9.933579] panel-simple panel-lcd: Specify missing connector_type
  808 21:21:47.239416  [    9.949655] panel-simple panel-lvds0: supply power not found, using dummy regulator
  809 21:21:49.906727  [   12.325759] .
  810 21:21:49.933899  [   12.637105] fec 2188000.ethernet eth0: Link is Up - 1Gbps/Full - flow control off
  811 21:21:49.934441  [   12.647438] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
  812 21:21:54.527639  [   17.165916] ., OK
  813 21:21:54.528177  [   17.208354] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.34
  814 21:21:54.528526  [   17.216710] IP-Config: Complete:
  815 21:21:54.528895  [   17.220028]      device=eth0, hwaddr=00:19:b8:08:f1:10, ipaddr=192.168.201.34, mask=255.255.255.0, gw=192.168.201.1
  816 21:21:54.529215  [   17.230737]      host=imx6q-sabrelite-lava-cbg-4, domain=lava-rack, nis-domain=(none)
  817 21:21:54.529519  [   17.238777]      bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath=
  818 21:21:54.529814  [   17.238825]      nameserver0=192.168.201.1
  819 21:21:54.599110  [   17.309545] Freeing unused kernel memory: 2048K
  820 21:21:54.599363  [   17.316311] Run /init as init process
  821 21:21:54.631315  Loading, please wait...
  822 21:21:54.759075  Starting version 247.3-7+deb11u1
  823 21:21:58.624442  [   21.343472] imx-ipuv3 2400000.ipu: IPUv3H probed
  824 21:21:58.656449  [   21.373943] imx-ipuv3 2800000.ipu: IPUv3H probed
  825 21:21:58.692379  [   21.391037] panel-simple panel-lcd: supply power not found, using dummy regulator
  826 21:21:58.693047  [   21.406177] panel-simple panel-lcd: Specify missing connector_type
  827 21:21:58.719262  [   21.431120] panel-simple panel-lvds0: supply power not found, using dummy regulator
  828 21:21:58.812175  [   21.484251] panel-simple panel-lcd: supply power not found, using dummy regulator
  829 21:21:58.812754  [   21.499131] panel-simple panel-lcd: Specify missing connector_type
  830 21:21:58.813119  [   21.499680] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm])
  831 21:21:58.813452  [   21.500209] CAN device driver interface
  832 21:21:58.813827  [   21.512958] panel-simple panel-lvds0: supply power not found, using dummy regulator
  833 21:21:58.814234  [   21.514359] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm])
  834 21:21:58.853759  [   21.543527] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm])
  835 21:21:58.854297  [   21.552442] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm])
  836 21:21:58.854651  [   21.564408] panel-simple panel-lcd: supply power not found, using dummy regulator
  837 21:21:58.885039  [   21.597378] panel-simple panel-lcd: Specify missing connector_type
  838 21:21:58.900973  [   21.613920] panel-simple panel-lvds0: supply power not found, using dummy regulator
  839 21:21:58.960849  [   21.673387] panel-simple panel-lcd: supply power not found, using dummy regulator
  840 21:21:58.995767  [   21.694831] panel-simple panel-lcd: Specify missing connector_type
  841 21:21:58.996375  [   21.708465] caam 2100000.crypto: Entropy delay = 3200
  842 21:21:59.059557  [   21.774355] caam 2100000.crypto: Instantiated RNG4 SH0
  843 21:21:59.133611  [   21.835115] caam 2100000.crypto: Instantiated RNG4 SH1
  844 21:21:59.134148  [   21.840403] caam 2100000.crypto: device ID = 0x0a16010000000000 (Era 4)
  845 21:21:59.134510  [   21.847125] caam 2100000.crypto: job rings = 2, qi = 0
  846 21:21:59.206980  [   21.883260] etnaviv etnaviv: bound 130000.gpu (ops gpu_ops [etnaviv])
  847 21:21:59.207555  [   21.891718] etnaviv etnaviv: bound 134000.gpu (ops gpu_ops [etnaviv])
  848 21:21:59.207917  [   21.906667] etnaviv etnaviv: bound 2204000.gpu (ops gpu_ops [etnaviv])
  849 21:21:59.208246  [   21.913343] etnaviv-gpu 130000.gpu: model: GC2000, revision: 5108
  850 21:21:59.208562  [   21.918300] usb_phy_generic usbphynop1: supply vcc not found, using dummy regulator
  851 21:21:59.208907  [   21.928907] usb_phy_generic usbphynop1: dummy supplies not allowed for exclusive requests
  852 21:21:59.258609  [   21.938162] usb_phy_generic usbphynop2: supply vcc not found, using dummy regulator
  853 21:21:59.259164  [   21.947539] usb_phy_generic usbphynop2: dummy supplies not allowed for exclusive requests
  854 21:21:59.259524  [   21.960318] sgtl5000 0-000a: sgtl5000 revision 0x11
  855 21:21:59.259909  [   21.966634] etnaviv-gpu 134000.gpu: model: GC320, revision: 5007
  856 21:21:59.260241  [   21.973018] etnaviv-gpu 2204000.gpu: model: GC355, revision: 1215
  857 21:21:59.260555  [   21.979289] etnaviv-gpu 2204000.gpu: Ignoring GPU with VG and FE2.0
  858 21:21:59.321137  [   21.981303] sgtl5000 0-000a: Using internal LDO instead of VDDD: check ER1 erratum
  859 21:21:59.321675  [   21.995963] [drm] Initialized etnaviv 1.3.0 20151214 for etnaviv on minor 1
  860 21:21:59.322029  [   22.008039] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm])
  861 21:21:59.322363  [   22.016800] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm])
  862 21:21:59.322684  [   22.025490] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm])
  863 21:21:59.322989  [   22.034027] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm])
  864 21:21:59.345232  [   22.057476] panel-simple panel-lvds0: supply power not found, using dummy regulator
  865 21:21:59.395829  [   22.101647] panel-simple panel-lcd: supply power not found, using dummy regulator
  866 21:21:59.396010  [   22.110188] panel-simple panel-lcd: Specify missing connector_type
  867 21:21:59.453074  [   22.137130] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm])
  868 21:21:59.453580  [   22.145716] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm])
  869 21:21:59.453908  [   22.154213] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm])
  870 21:21:59.454212  [   22.162719] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm])
  871 21:22:00.107858  [   22.834871] caam algorithms registered in /proc/crypto
  872 21:22:00.123437  [   22.851771] caam 2100000.crypto: registering rng-caam
  873 21:22:00.251329  [   22.980831] random: crng init done
  874 21:22:00.278693  [   22.990620] panel-simple panel-lvds0: supply power not found, using dummy regulator
  875 21:22:00.321587  [   23.025994] panel-simple panel-lcd: supply power not found, using dummy regulator
  876 21:22:00.322111  [   23.034368] panel-simple panel-lcd: Specify missing connector_type
  877 21:22:00.365466  [   23.053418] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm])
  878 21:22:00.365992  [   23.061933] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm])
  879 21:22:00.366331  [   23.070492] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm])
  880 21:22:00.366646  [   23.078940] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm])
  881 21:22:00.428924  Begin: Loading essential drivers ... done.
  882 21:22:00.459870  Begin: Running /scripts/init-premount ... done.
  883 21:22:00.460396  Begin: Mounting root file system ... Begin: Running /scripts/nfs-top ... done.
  884 21:22:00.460810  Begin: Running /scripts/nfs-premount ... done.
  885 21:22:00.688810  IP-Config: erspan0 hardware address 00:00:00:00:00:00 mtu 1450 DHCP
  886 21:22:00.689346  SIOCSIFFLAGS: Cannot assign requested address
  887 21:22:00.733806  IP-Config: gretap0 hardware address 00:00:00:00:00:00 mtu 1462 DHCP
  888 21:22:00.734330  SIOCSIFFLAGS: Cannot assign requested address
  889 21:22:00.807541  IP-Config: eth0 hardware address 00:19:b8:08:f1:10 mtu 1500 DHCP
  890 21:22:00.808066  IP-Config: eth0 complete (dhcp from 192.168.201.1):
  891 21:22:00.808402   address: 192.168.201.34   broadcast: 192.168.201.255  netmask: 255.255.255.0   
  892 21:22:00.808750   gateway: 192.168.201.1    dns0     : 192.168.201.1    dns1   : 0.0.0.0         
  893 21:22:00.809058   host   : imx6q-sabrelite-lava-cbg-4                                      
  894 21:22:00.809358   domain : lava-rack                                                       
  895 21:22:00.809648   rootserver: 192.168.201.1 rootpath: 
  896 21:22:00.809933   filename  : 
  897 21:22:01.030477  done.
  898 21:22:01.060106  Begin: Running /scripts/nfs-bottom ... done.
  899 21:22:01.123874  Begin: Running /scripts/init-bottom ... done.
  900 21:22:02.678052  [   25.390706] systemd[1]: System time before build time, advancing clock.
  901 21:22:03.178135  [   25.865208] systemd[1]: systemd 247.3-7+deb11u1 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)
  902 21:22:03.178697  [   25.891768] systemd[1]: Detected architecture arm.
  903 21:22:03.194259  
  904 21:22:03.194797  Welcome to Debian GNU/Linux 11 (bullseye)!
  905 21:22:03.195150  
  906 21:22:03.250853  [   25.963918] systemd[1]: Set hostname to <debian-bullseye-armhf>.
  907 21:22:04.896151  [   27.585246] systemd[1]: Queued start job for default target Graphical Interface.
  908 21:22:04.896722  [   27.600788] systemd[1]: Created slice system-getty.slice.
  909 21:22:04.897076  [  OK  ] Created slice system-getty.slice.
  910 21:22:04.947834  [   27.651230] systemd[1]: Created slice system-modprobe.slice.
  911 21:22:04.948368  [  OK  ] Created slice system-modprobe.slice.
  912 21:22:04.996840  [   27.701211] systemd[1]: Created slice system-serial\x2dgetty.slice.
  913 21:22:04.997384  [  OK  ] Created slice system-serial\x2dgetty.slice.
  914 21:22:05.050761  [   27.750528] systemd[1]: Created slice User and Session Slice.
  915 21:22:05.051338  [  OK  ] Created slice User and Session Slice.
  916 21:22:05.100812  [   27.800414] systemd[1]: Started Dispatch Password Requests to Console Directory Watch.
  917 21:22:05.101349  [  OK  ] Started Dispatch Password …ts to Console Directory Watch.
  918 21:22:05.159608  [   27.859334] systemd[1]: Started Forward Password Requests to Wall Directory Watch.
  919 21:22:05.160178  [  OK  ] Started Forward Password R…uests to Wall Directory Watch.
  920 21:22:05.221443  [   27.908644] systemd[1]: Condition check resulted in Arbitrary Executable File Formats File System Automount Point being skipped.
  921 21:22:05.221987  [   27.921649] systemd[1]: Reached target Local Encrypted Volumes.
  922 21:22:05.222322  [  OK  ] Reached target Local Encrypted Volumes.
  923 21:22:05.265130  [   27.967040] systemd[1]: Reached target Paths.
  924 21:22:05.265673  [  OK  ] Reached target Paths.
  925 21:22:05.305236  [   28.006293] systemd[1]: Reached target Remote File Systems.
  926 21:22:05.305762  [  OK  ] Reached target Remote File Systems.
  927 21:22:05.321347  [   28.046528] systemd[1]: Reached target Slices.
  928 21:22:05.337302  [  OK  ] Reached target Slices.
  929 21:22:05.381166  [   28.087731] systemd[1]: Reached target Swap.
  930 21:22:05.381700  [  OK  ] Reached target Swap.
  931 21:22:05.427024  [   28.128059] systemd[1]: Listening on initctl Compatibility Named Pipe.
  932 21:22:05.427549  [  OK  ] Listening on initctl Compatibility Named Pipe.
  933 21:22:05.530833  [   28.224811] systemd[1]: Condition check resulted in Journal Audit Socket being skipped.
  934 21:22:05.531362  [   28.237501] systemd[1]: Listening on Journal Socket (/dev/log).
  935 21:22:05.531702  [  OK  ] Listening on Journal Socket (/dev/log).
  936 21:22:05.562892  [   28.283039] systemd[1]: Listening on Journal Socket.
  937 21:22:05.583763  [  OK  ] Listening on Journal Socket.
  938 21:22:05.634673  [   28.333488] systemd[1]: Listening on Network Service Netlink Socket.
  939 21:22:05.635204  [  OK  ] Listening on Network Service Netlink Socket.
  940 21:22:05.684623  [   28.388633] systemd[1]: Listening on udev Control Socket.
  941 21:22:05.685182  [  OK  ] Listening on udev Control Socket.
  942 21:22:05.724489  [   28.428666] systemd[1]: Listening on udev Kernel Socket.
  943 21:22:05.725046  [  OK  ] Listening on udev Kernel Socket.
  944 21:22:05.768447  [   28.469907] systemd[1]: Condition check resulted in Huge Pages File System being skipped.
  945 21:22:05.769001  [   28.480272] systemd[1]: Condition check resulted in POSIX Message Queue File System being skipped.
  946 21:22:05.792153  [   28.499639] systemd[1]: Mounting Kernel Debug File System...
  947 21:22:05.792722           Mounting Kernel Debug File System...
  948 21:22:05.847756  [   28.550246] systemd[1]: Mounting Kernel Trace File System...
  949 21:22:05.847917           Mounting Kernel Trace File System...
  950 21:22:05.897578  [   28.602035] systemd[1]: Starting Create list of static device nodes for the current kernel...
  951 21:22:05.897737           Starting Create list of st…odes for the current kernel...
  952 21:22:05.976680  [   28.680831] systemd[1]: Starting Load Kernel Module configfs...
  953 21:22:05.976872           Starting Load Kernel Module configfs...
  954 21:22:06.024034  [   28.736647] systemd[1]: Starting Load Kernel Module drm...
  955 21:22:06.024499           Starting Load Kernel Module drm...
  956 21:22:06.083897  [   28.796623] systemd[1]: Starting Load Kernel Module fuse...
  957 21:22:06.084432           Starting Load Kernel Module fuse...
  958 21:22:06.143478  [   28.856397] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped.
  959 21:22:06.159667  [   28.875535] fuse: init (API version 7.32)
  960 21:22:06.183771  [   28.892441] systemd[1]: Starting Journal Service...
  961 21:22:06.184294           Starting Journal Service...
  962 21:22:06.260383  [   28.968713] systemd[1]: Starting Load Kernel Modules...
  963 21:22:06.260943           Starting Load Kernel Modules...
  964 21:22:06.315230  [   29.018920] systemd[1]: Starting Remount Root and Kernel File Systems...
  965 21:22:06.315660           Starting Remount Root and Kernel File Systems...
  966 21:22:06.375712  [   29.080485] systemd[1]: Starting Coldplug All udev Devices...
  967 21:22:06.375880           Starting Coldplug All udev Devices...
  968 21:22:06.430948  [   29.136821] systemd[1]: Mounted Kernel Debug File System.
  969 21:22:06.431328  [  OK  ] Mounted Kernel Debug File System.
  970 21:22:06.484660  [   29.188929] systemd[1]: Mounted Kernel Trace File System.
  971 21:22:06.484750  [  OK  ] Mounted Kernel Trace File System.
  972 21:22:06.535984  [   29.234323] systemd[1]: Finished Create list of static device nodes for the current kernel.
  973 21:22:06.536515  [  OK  ] Finished Create list of st… nodes for the current kernel.
  974 21:22:06.633199  [   29.328040] systemd[1]: modprobe@configfs.service: Succeeded.
  975 21:22:06.633283  [   29.338658] systemd[1]: Finished Load Kernel Module configfs.
  976 21:22:06.633350  [  OK  ] Finished Load Kernel Module configfs.
  977 21:22:06.665142  [   29.392423] systemd[1]: modprobe@drm.service: Succeeded.
  978 21:22:06.697137  [   29.402653] systemd[1]: Finished Load Kernel Module drm.
  979 21:22:06.697220  [  OK  ] Finished Load Kernel Module drm.
  980 21:22:06.763003  [   29.462188] systemd[1]: modprobe@fuse.service: Succeeded.
  981 21:22:06.763087  [   29.472415] systemd[1]: Finished Load Kernel Module fuse.
  982 21:22:06.763153  [  OK  ] Finished Load Kernel Module fuse.
  983 21:22:06.820871  [   29.531650] systemd[1]: Finished Load Kernel Modules.
  984 21:22:06.820954  [  OK  ] Finished Load Kernel Modules.
  985 21:22:06.876301  [   29.581502] systemd[1]: Finished Remount Root and Kernel File Systems.
  986 21:22:06.876503  [  OK  ] Finished Remount Root and Kernel File Systems.
  987 21:22:06.932144  [   29.638615] systemd[1]: Mounting FUSE Control File System...
  988 21:22:06.932647           Mounting FUSE Control File System...
  989 21:22:06.993987  [   29.696411] systemd[1]: Mounting Kernel Configuration File System...
  990 21:22:06.994187           Mounting Kernel Configuration File System...
  991 21:22:07.076890  [   29.755029] systemd[1]: Condition check resulted in Rebuild Hardware Database being skipped.
  992 21:22:07.077436  [   29.764717] systemd[1]: Condition check resulted in Platform Persistent Storage Archival being skipped.
  993 21:22:07.077804  [   29.783577] systemd[1]: Starting Load/Save Random Seed...
  994 21:22:07.078125           Starting Load/Save Random Seed...
  995 21:22:07.123771  [   29.836037] systemd[1]: Starting Apply Kernel Variables...
  996 21:22:07.124305           Starting Apply Kernel Variables...
  997 21:22:07.171737  [   29.897035] systemd[1]: Starting Create System Users...
  998 21:22:07.187409           Starting Create System Users...
  999 21:22:07.234290  [   29.942208] systemd[1]: Started Journal Service.
 1000 21:22:07.234450  [  OK  ] Started Journal Service.
 1001 21:22:07.288369  [  OK  ] Mounted FUSE Control File System.
 1002 21:22:07.328542  [  OK  ] Mounted Kernel Configuration File System.
 1003 21:22:07.371371  [  OK  ] Finished Load/Save Random Seed.
 1004 21:22:07.419262  [  OK  ] Finished Apply Kernel Variables.
 1005 21:22:07.467471  [  OK  ] Finished Create System Users.
 1006 21:22:07.525057           Starting Flush Journal to Persistent Storage...
 1007 21:22:07.566006           Starting Create Static Device Nodes in /dev...
 1008 21:22:07.651010  [   30.362467] systemd-journald[270]: Received client request to flush runtime journal.
 1009 21:22:07.793376  [  OK  ] Finished Create Static Device Nodes in /dev.
 1010 21:22:07.837588  [  OK  ] Reached target Local File Systems (Pre).
 1011 21:22:07.876395  [  OK  ] Reached target Local File Systems.
 1012 21:22:07.951793           Starting Rule-based Manage…for Device Events and Files...
 1013 21:22:08.579589  [  OK  ] Finished Flush Journal to Persistent Storage.
 1014 21:22:08.617860  [  OK  ] Started Rule-based Manager for Device Events and Files.
 1015 21:22:08.745783           Starting Network Service...
 1016 21:22:08.833443           Starting Create Volatile Files and Directories...
 1017 21:22:09.839138  [  OK  ] Started Network Service.
 1018 21:22:09.891945  [  OK  ] Finished Create Volatile Files and Directories.
 1019 21:22:10.019799           Starting Network Name Resolution...
 1020 21:22:10.122573           Starting Network Time Synchronization...
 1021 21:22:10.168458           Starting Update UTMP about System Boot/Shutdown...
 1022 21:22:10.740802  [  OK  ] Finished Update UTMP about System Boot/Shutdown.
 1023 21:22:11.139584  [  OK  ] Started Network Time Synchronization.
 1024 21:22:11.186481  [  OK  ] Reached target System Time Set.
 1025 21:22:11.225437  [  OK  ] Reached target System Time Synchronized.
 1026 21:22:11.606621  [  OK  ] Started Network Name Resolution.
 1027 21:22:11.653731  [  OK  ] Reached target Network.
 1028 21:22:11.695681  [  OK  ] Reached target Host and Network Name Lookups.
 1029 21:22:12.950377  [  OK  ] Reached target Hardware activated USB gadget.
 1030 21:22:13.142290  [  OK  ] Found device /dev/ttymxc1.
 1031 21:22:13.291083  [  OK  ] Finished Coldplug All udev Devices.
 1032 21:22:14.265369  [  OK  ] Reached target System Initialization.
 1033 21:22:14.342574  [  OK  ] Started Daily apt download activities.
 1034 21:22:14.387163  [  OK  ] Started Daily apt upgrade and clean activities.
 1035 21:22:14.432788  [  OK  ] Started Periodic ext4 Onli…ata Check for All Filesystems.
 1036 21:22:14.483514  [  OK  ] Started Discard unused blocks once a week.
 1037 21:22:14.484057  [  OK  ] Started Daily Cleanup of Temporary Directories.
 1038 21:22:14.515093  [  OK  ] Reached target Timers.
 1039 21:22:14.563216  [  OK  ] Listening on D-Bus System Message Bus Socket.
 1040 21:22:14.595211  [  OK  ] Reached target Sockets.
 1041 21:22:14.626217  [  OK  ] Reached target Basic System.
 1042 21:22:14.662744  [  OK  ] Listening on Load/Save RF …itch Status /dev/rfkill Watch.
 1043 21:22:14.711033  [  OK  ] Started D-Bus System Message Bus.
 1044 21:22:14.811088           Starting Remove Stale Onli…t4 Metadata Check Snapshots...
 1045 21:22:14.907482           Starting User Login Management...
 1046 21:22:14.955284           Starting Permit User Sessions...
 1047 21:22:15.139871  [  OK  ] Finished Permit User Sessions.
 1048 21:22:15.288413  [  OK  ] Finished Remove Stale Onli…ext4 Metadata Check Snapshots.
 1049 21:22:16.959344  [  OK  ] Started User Login Management.
 1050 21:22:17.007273  [  OK  ] Started Getty on tty1.
 1051 21:22:17.078095  [  OK  ] Started Serial Getty on ttymxc1.
 1052 21:22:17.124049  [  OK  ] Reached target Login Prompts.
 1053 21:22:17.162906  [  OK  ] Reached target Multi-User System.
 1054 21:22:17.201881  [  OK  ] Reached target Graphical Interface.
 1055 21:22:17.249757           Starting Update UTMP about System Runlevel Changes...
 1056 21:22:17.418494  [  OK  ] Finished Update UTMP about System Runlevel Changes.
 1057 21:22:17.560170  
 1058 21:22:17.560314  
 1059 21:22:17.560382  Debian GNU/Linux 11 debian-bullseye-armhf ttymxc1
 1060 21:22:17.560445  
 1061 21:22:17.560504  debian-bullseye-armhf login: root (automatic login)
 1062 21:22:17.560563  
 1063 21:22:17.560619  
 1064 21:22:18.397002  Linux debian-bullseye-armhf 5.10.153-cip19 #1 SMP Wed Nov 9 20:58:40 UTC 2022 armv7l
 1065 21:22:18.397519  
 1066 21:22:18.397866  The programs included with the Debian GNU/Linux system are free software;
 1067 21:22:18.398195  the exact distribution terms for each program are described in the
 1068 21:22:18.398512  individual files in /usr/share/doc/*/copyright.
 1069 21:22:18.398823  
 1070 21:22:18.399119  Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent
 1071 21:22:18.399250  permitted by applicable law.
 1072 21:22:23.157259  Matched prompt #7: / #
 1074 21:22:23.157547  Setting prompt string to ['/ #']
 1075 21:22:23.157644  end: 2.4.4.1 login-action (duration 00:00:39) [common]
 1077 21:22:23.157838  end: 2.4.4 auto-login-action (duration 00:00:48) [common]
 1078 21:22:23.157924  start: 2.4.5 expect-shell-connection (timeout 00:03:19) [common]
 1079 21:22:23.157993  Setting prompt string to ['/ #']
 1080 21:22:23.158053  Forcing a shell prompt, looking for ['/ #']
 1082 21:22:23.208468  / # 
 1083 21:22:23.208563  expect-shell-connection: Wait for prompt ['/ #'] (timeout 00:05:00)
 1084 21:22:23.208650  Waiting using forced prompt support (timeout 00:02:30)
 1085 21:22:23.219987  
 1086 21:22:23.236133  end: 2.4.5 expect-shell-connection (duration 00:00:00) [common]
 1087 21:22:23.236235  start: 2.4.6 export-device-env (timeout 00:03:19) [common]
 1088 21:22:23.236443  Sending with 10 millisecond of delay
 1090 21:22:28.316766  / # export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/7922243/extract-nfsrootfs-6gi3h13n'
 1091 21:22:28.331469  export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/7922243/extract-nfsrootfs-6gi3h13n'
 1092 21:22:28.332315  Sending with 10 millisecond of delay
 1094 21:22:30.572100  / # export NFS_SERVER_IP='192.168.201.1'
 1095 21:22:30.583190  export NFS_SERVER_IP='192.168.201.1'
 1096 21:22:30.599479  end: 2.4.6 export-device-env (duration 00:00:07) [common]
 1097 21:22:30.600169  end: 2.4 uboot-commands (duration 00:01:48) [common]
 1098 21:22:30.600705  end: 2 uboot-action (duration 00:01:48) [common]
 1099 21:22:30.601231  start: 3 lava-test-retry (timeout 00:07:43) [common]
 1100 21:22:30.601751  start: 3.1 lava-test-shell (timeout 00:07:43) [common]
 1101 21:22:30.602168  Using namespace: common
 1103 21:22:30.703819  / # #
 1104 21:22:30.704012  lava-test-shell: Wait for prompt ['/ #'] (timeout 00:10:00)
 1105 21:22:30.710391  #
 1106 21:22:30.726594  Using /lava-7922243
 1108 21:22:30.827331  / # export SHELL=/bin/bash
 1109 21:22:30.838206  export SHELL=/bin/bash
 1111 21:22:30.954989  / # . /lava-7922243/environment
 1112 21:22:30.966001  . /lava-7922243/environment
 1114 21:22:31.082713  / # /lava-7922243/bin/lava-test-runner /lava-7922243/0
 1115 21:22:31.082805  Test shell timeout: 10s (minimum of the action and connection timeout)
 1116 21:22:31.093563  /lava-7922243/bin/lava-test-runner /lava-7922243/0
 1117 21:22:31.667770  + export TESTRUN_ID=0_timesync-off
 1118 21:22:31.667888  + TESTRUN_ID=0_timesync-off
 1119 21:22:31.667956  + cd /lava-7922243/0/tests/0_timesync-off
 1120 21:22:31.668019  ++ cat uuid
 1121 21:22:31.712513  + UUID=7922243_1.6.2.4.1
 1122 21:22:31.712597  + set +x
 1123 21:22:31.712688  <LAVA_SIGNAL_STARTRUN 0_timesync-off 7922243_1.6.2.4.1>
 1124 21:22:31.712773  + systemctl stop systemd-timesyncd
 1125 21:22:31.713010  Received signal: <STARTRUN> 0_timesync-off 7922243_1.6.2.4.1
 1126 21:22:31.713081  Starting test lava.0_timesync-off (7922243_1.6.2.4.1)
 1127 21:22:31.713166  Skipping test definition patterns.
 1128 21:22:31.853318  + set +x
 1129 21:22:31.853412  <LAVA_SIGNAL_ENDRUN 0_timesync-off 7922243_1.6.2.4.1>
 1130 21:22:31.853648  Received signal: <ENDRUN> 0_timesync-off 7922243_1.6.2.4.1
 1131 21:22:31.853730  Ending use of test pattern.
 1132 21:22:31.853794  Ending test lava.0_timesync-off (7922243_1.6.2.4.1), duration 0.14
 1134 21:22:32.075831  + export TESTRUN_ID=1_kselftest-lkdtm
 1135 21:22:32.075920  + TESTRUN_ID=1_kselftest-lkdtm
 1136 21:22:32.075987  + cd /lava-7922243/0/tests/1_kselftest-lkdtm
 1137 21:22:32.076049  ++ cat uuid
 1138 21:22:32.130817  + UUID=7922243_1.6.2.4.5
 1139 21:22:32.130978  + set +x
 1140 21:22:32.131092  <LAVA_SIGNAL_STARTRUN 1_kselftest-lkdtm 7922243_1.6.2.4.5>
 1141 21:22:32.131154  + cd ./automated/linux/kselftest/
 1142 21:22:32.131215  + ./kselftest.sh -c lkdtm -T '' -t kselftest_armhf.tar.gz -s false -u http://storage.kernelci.org/cip/linux-5.10.y-cip/v5.10.153-cip19-3-gc76f4e7e5c71/arm/multi_v7_defconfig+kselftest/gcc-10/kselftest.tar.xz -L '' -S skipfile-lkft.yaml -b imx6q-sabrelite -g cip -e '' -p /opt/kselftests/mainline/
 1143 21:22:32.131459  Received signal: <STARTRUN> 1_kselftest-lkdtm 7922243_1.6.2.4.5
 1144 21:22:32.131528  Starting test lava.1_kselftest-lkdtm (7922243_1.6.2.4.5)
 1145 21:22:32.131612  Skipping test definition patterns.
 1146 21:22:32.218617  INFO: Generating a skipfile based on /lava-7922243/0/tests/1_kselftest-lkdtm/automated/linux/kselftest/skipfile-lkft.yaml
 1147 21:22:32.423060  INFO: Using the following generated skipfile contents (until EOF):
 1148 21:22:32.423214  breakpoints:breakpoint_test
 1149 21:22:32.423281  breakpoints:step_after_suspend_test
 1150 21:22:32.423372  ftrace:ftracetest
 1151 21:22:32.423445  net:rtnetlink.sh
 1152 21:22:32.423519  net:tls
 1153 21:22:32.423605  netfilter:bridge_brouter.sh
 1154 21:22:32.423689  netfilter:nft_flowtable.sh
 1155 21:22:32.423757  netfilter:nft_trans_stress.sh
 1156 21:22:32.423828  pidfd:pidfd_wait
 1157 21:22:32.423882  INFO: EOF
 1158 21:22:32.535002  INFO: Installing sed perl wget xz-utils iproute2
 1159 21:22:33.701554  Hit:1 http://deb.debian.org/debian bullseye InRelease
 1160 21:22:47.149761  Reading package lists...
 1161 21:22:49.864892  Reading package lists...
 1162 21:22:50.759107  Building dependency tree...
 1163 21:22:50.759262  Reading state information...
 1164 21:22:50.971560  iproute2 is already the newest version (5.10.0-4).
 1165 21:22:50.971716  perl is already the newest version (5.32.1-4+deb11u2).
 1166 21:22:50.971785  sed is already the newest version (4.7-1).
 1167 21:22:50.971903  wget is already the newest version (1.21-1+deb11u1).
 1168 21:22:50.971976  xz-utils is already the newest version (5.2.5-2.1~deb11u1).
 1169 21:22:52.568326  0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
 1170 21:22:52.743848  --2022-11-09 21:22:52--  http://storage.kernelci.org/cip/linux-5.10.y-cip/v5.10.153-cip19-3-gc76f4e7e5c71/arm/multi_v7_defconfig+kselftest/gcc-10/kselftest.tar.xz
 1171 21:22:52.744178  Resolving storage.kernelci.org (storage.kernelci.org)... 52.250.1.28
 1172 21:22:52.887893  Connecting to storage.kernelci.org (storage.kernelci.org)|52.250.1.28|:80... connected.
 1173 21:22:53.031477  HTTP request sent, awaiting response... 200 OK
 1174 21:22:53.056968  Length: 1407832 (1.3M) [application/octet-stream]
 1175 21:22:53.057116  Saving to: 'kselftest.tar.xz'
 1176 21:22:53.057189  
 1177 21:22:53.057257  
 1178 21:22:53.338675  kselftest.tar.xz      0%[                    ]       0  --.-KB/s               
 1179 21:22:53.610542  kselftest.tar.xz      2%[                    ]  37.91K   134KB/s               
 1180 21:22:53.898275  kselftest.tar.xz      5%[>                   ]  77.50K   136KB/s               
 1181 21:22:54.185550  kselftest.tar.xz      8%[>                   ] 118.51K   138KB/s               
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 1220 21:23:02.433428  
 1221 21:23:06.873105  skiplist:
 1222 21:23:06.889198  ========================================
 1223 21:23:06.889630  breakpoints:breakpoint_test
 1224 21:23:07.367979  breakpoints:step_after_suspend_test
 1225 21:23:07.432165  ftrace:ftracetest
 1226 21:23:07.479853  net:rtnetlink.sh
 1227 21:23:07.527911  net:tls
 1228 21:23:07.591845  netfilter:bridge_brouter.sh
 1229 21:23:07.639765  netfilter:nft_flowtable.sh
 1230 21:23:07.687700  netfilter:nft_trans_stress.sh
 1231 21:23:07.735944  pidfd:pidfd_wait
 1232 21:23:07.799778  ========================================
 1233 21:23:10.194761  [   92.919750] kselftest: Running tests in lkdtm
 1234 21:23:10.242626  TAP version 13
 1235 21:23:10.274622  1..70
 1236 21:23:10.306568  # selftests: lkdtm: PANIC.sh
 1237 21:23:10.610011  # Skipping PANIC: crashes entire system
 1238 21:23:10.625948  ok 1 selftests: lkdtm: PANIC.sh # SKIP
 1239 21:23:10.657885  # selftests: lkdtm: BUG.sh
 1240 21:23:11.012886  [   93.703318] lkdtm: Performing direct entry BUG
 1241 21:23:11.013041  [   93.708198] ------------[ cut here ]------------
 1242 21:23:11.013107  [   93.712829] kernel BUG at drivers/misc/lkdtm/bugs.c:76!
 1243 21:23:11.013170  [   93.718072] Internal error: Oops - BUG: 0 [#1] SMP ARM
 1244 21:23:11.056272  [   93.723234] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv imx_ldb gpu_sched dw_hdmi_imx dw_hdmi parallel_display imxdrm imx_ipu_v3
 1245 21:23:11.056377  [   93.752522] CPU: 2 PID: 798 Comm: cat Not tainted 5.10.153-cip19 #1
 1246 21:23:11.056457  [   93.758813] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 1247 21:23:11.056533  [   93.765387] PC is at lkdtm_BUG+0x14/0x18
 1248 21:23:11.056593  [   93.769342] LR is at lkdtm_do_action+0x2c/0x4c
 1249 21:23:11.056650  [   93.773810] pc : [<c0c2f598>]    lr : [<c0c2f018>]    psr: a00e0013
 1250 21:23:11.056714  [   93.780098] sp : c6e75e58  ip : c6e75e68  fp : c6e75e64
 1251 21:23:11.056770  [   93.785344] r10: 00000004  r9 : c1ad09a4  r8 : c15e8634
 1252 21:23:11.099500  [   93.790592] r7 : c6e75f60  r6 : 00000004  r5 : c6d2e000  r4 : 00000001
 1253 21:23:11.099622  [   93.797142] r3 : c0c2f584  r2 : b0b478c4  r1 : ef7ab5e0  r0 : c15e863c
 1254 21:23:11.099719  [   93.803694] Flags: NzCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 1255 21:23:11.099808  [   93.810853] Control: 10c5387d  Table: 16e3404a  DAC: 00000051
 1256 21:23:11.099880  [   93.816624] Process cat (pid: 798, stack limit = 0x3a283cfa)
 1257 21:23:11.099964  [   93.822308] Stack: (0xc6e75e58 to 0xc6e76000)
 1258 21:23:11.142975  [   93.826693] 5e40:                                                       c6e75e74 c6e75e68
 1259 21:23:11.143139  [   93.834903] 5e60: c0c2f018 c0c2f590 c6e75e9c c6e75e78 c0c2f518 c0c2eff8 c0c2f3f8 c69b4780
 1260 21:23:11.143207  [   93.843114] 5e80: b6e8a000 00000004 c530cd80 c6e75f60 c6e75ec4 c6e75ea0 c07f6080 c0c2f404
 1261 21:23:11.143270  [   93.851322] 5ea0: 00000000 c69b4780 b6e8a000 c2816000 c6e75f60 c07f601c c6e75f5c c6e75ec8
 1262 21:23:11.143328  [   93.859530] 5ec0: c0598c00 c07f6028 00000001 00000000 c0599194 c13a1c60 c0599194 c6e74000
 1263 21:23:11.143386  [   93.867738] 5ee0: b6e8a000 00020000 00000004 00000004 0001fffc c6e75ee0 00000001 b6e89000
 1264 21:23:11.186167  [   93.875943] 5f00: c42dda40 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 1265 21:23:11.186311  [   93.884151] 5f20: 00000000 00000000 c13a1c60 b0b478c4 c205cf20 c69b4780 c69b4780 c6e74000
 1266 21:23:11.186380  [   93.892359] 5f40: b6e8a000 00000000 00000000 00000004 c6e75f94 c6e75f60 c0599194 c0598b00
 1267 21:23:11.186442  [   93.900567] 5f60: 00000000 00000000 c6e75fac b0b478c4 00000004 00000004 b6fd1e00 00000004
 1268 21:23:11.186501  [   93.908776] 5f80: c03002e4 c6e74000 c6e75fa4 c6e75f98 c0599224 c059912c 00000000 c6e75fa8
 1269 21:23:11.229455  [   93.916983] 5fa0: c03000c0 c0599218 00000004 00000004 00000001 b6e8a000 00000004 00000000
 1270 21:23:11.229540  [   93.925191] 5fc0: 00000004 00000004 b6fd1e00 00000004 00000001 00000000 00020000 bee74a54
 1271 21:23:11.229606  [   93.933398] 5fe0: 00000004 bee74788 b6f3c4cf b6ec27e6 800e0030 00000001 00000000 00000000
 1272 21:23:11.229668  [   93.941592] Backtrace: 
 1273 21:23:11.229726  [   93.944096] [<c0c2f584>] (lkdtm_BUG) from [<c0c2f018>] (lkdtm_do_action+0x2c/0x4c)
 1274 21:23:11.229784  [   93.951709] [<c0c2efec>] (lkdtm_do_action) from [<c0c2f518>] (direct_entry+0x120/0x18c)
 1275 21:23:11.272883  [   93.959757] [<c0c2f3f8>] (direct_entry) from [<c07f6080>] (full_proxy_write+0x64/0x94)
 1276 21:23:11.272988  [   93.967708]  r9:c6e75f60 r8:c530cd80 r7:00000004 r6:b6e8a000 r5:c69b4780 r4:c0c2f3f8
 1277 21:23:11.273055  [   93.975493] [<c07f601c>] (full_proxy_write) from [<c0598c00>] (vfs_write+0x10c/0x524)
 1278 21:23:11.273118  [   93.983353]  r9:c07f601c r8:c6e75f60 r7:c2816000 r6:b6e8a000 r5:c69b4780 r4:00000000
 1279 21:23:11.273177  [   93.991131] [<c0598af4>] (vfs_write) from [<c0599194>] (ksys_write+0x74/0xec)
 1280 21:23:11.273235  [   93.998298]  r10:00000004 r9:00000000 r8:00000000 r7:b6e8a000 r6:c6e74000 r5:c69b4780
 1281 21:23:11.316259  [   94.006148]  r4:c69b4780
 1282 21:23:11.316344  [   94.008717] [<c0599120>] (ksys_write) from [<c0599224>] (sys_write+0x18/0x1c)
 1283 21:23:11.316410  [   94.015883]  r9:c6e74000 r8:c03002e4 r7:00000004 r6:b6fd1e00 r5:00000004 r4:00000004
 1284 21:23:11.316470  [   94.023662] [<c059920c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 1285 21:23:11.316529  [   94.031253] Exception stack(0xc6e75fa8 to 0xc6e75ff0)
 1286 21:23:11.316587  [   94.036333] 5fa0:                   00000004 00000004 00000001 b6e8a000 00000004 00000000
 1287 21:23:11.359646  [   94.044540] 5fc0: 00000004 00000004 b6fd1e00 00000004 00000001 00000000 00020000 bee74a54
 1288 21:23:11.359743  [   94.052742] 5fe0: 00000004 bee74788 b6f3c4cf b6ec27e6
 1289 21:23:11.359823  [   94.057825] Code: e92dd800 e24cb004 e52de004 e8bd4000 (e7f001f2) 
 1290 21:23:11.359913  [   94.063952] ---[ end trace dfcb905fa2d201c0 ]---
 1291 21:23:11.359987  [   94.068597] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49
 1292 21:23:11.360045  [   94.077494] in_atomic(): 0, irqs_disabled(): 128, non_block: 0, pid: 798, name: cat
 1293 21:23:11.360101  [   94.085169] INFO: lockdep is turned off.
 1294 21:23:11.360157  [   94.089111] irq event stamp: 1624
 1295 21:23:11.402921  [   94.092469] hardirqs last  enabled at (1623): [<c03d5080>] console_unlock+0x4b0/0x6c0
 1296 21:23:11.403022  [   94.100333] hardirqs last disabled at (1624): [<c0300c60>] __und_svc+0x60/0x6c
 1297 21:23:11.403116  [   94.107586] softirqs last  enabled at (1620): [<c03021a8>] __do_softirq+0x378/0x5fc
 1298 21:23:11.403191  [   94.115273] softirqs last disabled at (1611): [<c035ef9c>] __irq_exit_rcu+0x178/0x1d0
 1299 21:23:11.403279  [   94.123133] CPU: 2 PID: 798 Comm: cat Tainted: G      D           5.10.153-cip19 #1
 1300 21:23:11.403353  [   94.130809] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 1301 21:23:11.446294  [   94.137354] Backtrace: 
 1302 21:23:11.446411  [   94.139867] [<c137e9d0>] (dump_backtrace) from [<c137ed90>] (show_stack+0x20/0x24)
 1303 21:23:11.446491  [   94.147466]  r7:ffffffff r6:600e0093 r5:00000000 r4:c1f0f7b4
 1304 21:23:11.446581  [   94.153167] [<c137ed70>] (show_stack) from [<c1385f0c>] (dump_stack+0xe0/0x100)
 1305 21:23:11.446655  [   94.160524] [<c1385e2c>] (dump_stack) from [<c038e50c>] (___might_sleep+0x1b0/0x2c0)
 1306 21:23:11.446740  [   94.168300]  r9:600e0093 r8:0000000b r7:c035bb84 r6:00000031 r5:c19cd1c4 r4:c6e74000
 1307 21:23:11.490142  [   94.176080] [<c038e35c>] (___might_sleep) from [<c038e68c>] (__might_sleep+0x70/0xb0)
 1308 21:23:11.490315  [   94.183936]  r6:00000000 r5:00000031 r4:c19cd1c4
 1309 21:23:11.490396  [   94.188602] [<c038e61c>] (__might_sleep) from [<c036cd0c>] (exit_signals+0x4c/0x3fc)
 1310 21:23:11.490473  [   94.196372]  r6:00000001 r5:c6e74000 r4:c41bb600
 1311 21:23:11.490547  [   94.201037] [<c036ccc0>] (exit_signals) from [<c035bb84>] (do_exit+0x10c/0xb4c)
 1312 21:23:11.490618  [   94.208377]  r8:0000000b r7:c1e0fc8c r6:ffffe000 r5:00000000 r4:c41bb600
 1313 21:23:11.490685  [   94.215116] [<c035ba78>] (do_exit) from [<c030ea88>] (die+0x374/0x380)
 1314 21:23:11.490754  [   94.221665]  r7:c1e0fc8c
 1315 21:23:11.533394  [   94.224232] [<c030e714>] (die) from [<c030ec04>] (do_undefinstr+0x170/0x240)
 1316 21:23:11.533703  [   94.231312]  r10:00000004 r9:c6e74000 r8:c15e8634 r7:00000000 r6:c6e75dc8 r5:c0c2f598
 1317 21:23:11.533889  [   94.239161]  r4:e7f001f2
 1318 21:23:11.534059  [   94.241730] [<c030ea94>] (do_undefinstr) from [<c0300c6c>] (__und_svc_finish+0x0/0x54)
 1319 21:23:11.534224  [   94.249669] Exception stack(0xc6e75dc8 to 0xc6e75e10)
 1320 21:23:11.534384  [   94.254752] 5dc0:                   c15e863c ef7ab5e0 b0b478c4 c0c2f584 00000001 c6d2e000
 1321 21:23:11.577065  [   94.262962] 5de0: 00000004 c6e75f60 c15e8634 c1ad09a4 00000004 c6e75e64 c6e75e68 c6e75e58
 1322 21:23:11.577643  [   94.271164] 5e00: c0c2f018 c0c2f598 a00e0013 ffffffff
 1323 21:23:11.578023  [   94.276243]  r7:c6e75dfc r6:ffffffff r5:a00e0013 r4:c0c2f59c
 1324 21:23:11.578375  [   94.281945] [<c0c2f584>] (lkdtm_BUG) from [<c0c2f018>] (lkdtm_do_action+0x2c/0x4c)
 1325 21:23:11.578712  [   94.289552] [<c0c2efec>] (lkdtm_do_action) from [<c0c2f518>] (direct_entry+0x120/0x18c)
 1326 21:23:11.579044  [   94.297592] [<c0c2f3f8>] (direct_entry) from [<c07f6080>] (full_proxy_write+0x64/0x94)
 1327 21:23:11.620079  [   94.305541]  r9:c6e75f60 r8:c530cd80 r7:00000004 r6:b6e8a000 r5:c69b4780 r4:c0c2f3f8
 1328 21:23:11.620271  [   94.313320] [<c07f601c>] (full_proxy_write) from [<c0598c00>] (vfs_write+0x10c/0x524)
 1329 21:23:11.620417  [   94.321180]  r9:c07f601c r8:c6e75f60 r7:c2816000 r6:b6e8a000 r5:c69b4780 r4:00000000
 1330 21:23:11.620556  [   94.328955] [<c0598af4>] (vfs_write) from [<c0599194>] (ksys_write+0x74/0xec)
 1331 21:23:11.620702  [   94.336121]  r10:00000004 r9:00000000 r8:00000000 r7:b6e8a000 r6:c6e74000 r5:c69b4780
 1332 21:23:11.620834  [   94.343970]  r4:c69b4780
 1333 21:23:11.620961  [   94.346537] [<c0599120>] (ksys_write) from [<c0599224>] (sys_write+0x18/0x1c)
 1334 21:23:11.673531  [   94.353703]  r9:c6e74000 r8:c03002e4 r7:00000004 r6:b6fd1e00 r5:00000004 r4:00000004
 1335 21:23:11.673748  [   94.361479] [<c059920c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 1336 21:23:11.673860  [   94.369069] Exception stack(0xc6e75fa8 to 0xc6e75ff0)
 1337 21:23:11.673963  [   94.374149] 5fa0:                   00000004 00000004 00000001 b6e8a000 00000004 00000000
 1338 21:23:11.674063  [   94.382357] 5fc0: 00000004 00000004 b6fd1e00 00000004 00000001 00000000 00020000 bee74a54
 1339 21:23:11.674158  [   94.390558] 5fe0: 00000004 bee74788 b6f3c4cf b6ec27e6
 1340 21:23:11.674251  # Segmentation fault
 1341 21:23:11.790170  # [   93.703318] lkdtm: Performing direct entry BUG
 1342 21:23:11.790311  # [   93.708198] ------------[ cut here ]------------
 1343 21:23:11.790386  # [   93.712829] kernel BUG at drivers/misc/lkdtm/bugs.c:76!
 1344 21:23:11.790455  # [   93.718072] Internal error: Oops - BUG: 0 [#1] SMP ARM
 1345 21:23:11.833435  # [   93.723234] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv imx_ldb gpu_sched dw_hdmi_imx dw_hdmi parallel_display imxdrm imx_ipu_v3
 1346 21:23:11.833675  # [   93.752522] CPU: 2 PID: 798 Comm: cat Not tainted 5.10.153-cip19 #1
 1347 21:23:11.833805  # [   93.758813] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 1348 21:23:11.833924  # [   93.765387] PC is at lkdtm_BUG+0x14/0x18
 1349 21:23:11.834038  # [   93.769342] LR is at lkdtm_do_action+0x2c/0x4c
 1350 21:23:11.834146  # [   93.773810] pc : [<c0c2f598>]    lr : [<c0c2f018>]    psr: a00e0013
 1351 21:23:11.834250  # [   93.780098] sp : c6e75e58  ip : c6e75e68  fp : c6e75e64
 1352 21:23:11.877134  # [   93.785344] r10: 00000004  r9 : c1ad09a4  r8 : c15e8634
 1353 21:23:11.877709  # [   93.790592] r7 : c6e75f60  r6 : 00000004  r5 : c6d2e000  r4 : 00000001
 1354 21:23:11.878091  # [   93.797142] r3 : c0c2f584  r2 : b0b478c4  r1 : ef7ab5e0  r0 : c15e863c
 1355 21:23:11.878438  # [   93.803694] Flags: NzCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 1356 21:23:11.878772  # [   93.810853] Control: 10c5387d  Table: 16e3404a  DAC: 00000051
 1357 21:23:11.879095  # [   93.816624] Process cat (pid: 798, stack limit = 0x3a283cfa)
 1358 21:23:11.879406  # [   93.822308] Stack: (0xc6e75e58 to 0xc6e76000)
 1359 21:23:11.921182  # [   93.826693] 5e40:                                                       c6e75e74 c6e75e68
 1360 21:23:11.921757  # [   93.834903] 5e60: c0c2f018 c0c2f590 c6e75e9c c6e75e78 c0c2f518 c0c2eff8 c0c2f3f8 c69b4780
 1361 21:23:11.922142  # [   93.843114] 5e80: b6e8a000 00000004 c530cd80 c6e75f60 c6e75ec4 c6e75ea0 c07f6080 c0c2f404
 1362 21:23:11.922483  # [   93.851322] 5ea0: 00000000 c69b4780 b6e8a000 c2816000 c6e75f60 c07f601c c6e75f5c c6e75ec8
 1363 21:23:11.922814  # [   93.859530] 5ec0: c0598c00 c07f6028 00000001 00000000 c0599194 c13a1c60 c0599194 c6e74000
 1364 21:23:11.965065  # [   93.867738] 5ee0: b6e8a000 00020000 00000004 00000004 0001fffc c6e75ee0 00000001 b6e89000
 1365 21:23:11.965485  # [   93.875943] 5f00: c42dda40 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 1366 21:23:11.965816  # [   93.884151] 5f20: 00000000 00000000 c13a1c60 b0b478c4 c205cf20 c69b4780 c69b4780 c6e74000
 1367 21:23:11.966124  # [   93.892359] 5f40: b6e8a000 00000000 00000000 00000004 c6e75f94 c6e75f60 c0599194 c0598b00
 1368 21:23:11.966419  # [   93.900567] 5f60: 00000000 00000000 c6e75fac b0b478c4 00000004 00000004 b6fd1e00 00000004
 1369 21:23:12.009148  # [   93.908776] 5f80: c03002e4 c6e74000 c6e75fa4 c6e75f98 c0599224 c059912c 00000000 c6e75fa8
 1370 21:23:12.009669  # [   93.916983] 5fa0: c03000c0 c0599218 00000004 00000004 00000001 b6e8a000 00000004 00000000
 1371 21:23:12.010021  # [   93.925191] 5fc0: 00000004 00000004 b6fd1e00 00000004 00000001 00000000 00020000 bee74a54
 1372 21:23:12.010334  # [   93.933398] 5fe0: 00000004 bee74788 b6f3c4cf b6ec27e6 800e0030 00000001 00000000 00000000
 1373 21:23:12.010631  # [   93.941592] Backtrace: 
 1374 21:23:12.010918  # [   93.944096] [<c0c2f584>] (lkdtm_BUG) from [<c0c2f018>] (lkdtm_do_action+0x2c/0x4c)
 1375 21:23:12.053112  # [   93.951709] [<c0c2efec>] (lkdtm_do_action) from [<c0c2f518>] (direct_entry+0x120/0x18c)
 1376 21:23:12.053628  # [   93.959757] [<c0c2f3f8>] (direct_entry) from [<c07f6080>] (full_proxy_write+0x64/0x94)
 1377 21:23:12.053966  # [   93.967708]  r9:c6e75f60 r8:c530cd80 r7:00000004 r6:b6e8a000 r5:c69b4780 r4:c0c2f3f8
 1378 21:23:12.054279  # [   93.975493] [<c07f601c>] (full_proxy_write) from [<c0598c00>] (vfs_write+0x10c/0x524)
 1379 21:23:12.054575  # [   93.983353]  r9:c07f601c r8:c6e75f60 r7:c2816000 r6:b6e8a000 r5:c69b4780 r4:00000000
 1380 21:23:12.054871  # [   93.991131] [<c0598af4>] (vfs_write) from [<c0599194>] (ksys_write+0x74/0xec)
 1381 21:23:12.096909  # [   93.998298]  r10:00000004 r9:00000000 r8:00000000 r7:b6e8a000 r6:c6e74000 r5:c69b4780
 1382 21:23:12.097147  # [   94.006148]  r4:c69b4780
 1383 21:23:12.097280  # [   94.008717] [<c0599120>] (ksys_write) from [<c0599224>] (sys_write+0x18/0x1c)
 1384 21:23:12.097403  # [   94.015883]  r9:c6e74000 r8:c03002e4 r7:00000004 r6:b6fd1e00 r5:00000004 r4:00000004
 1385 21:23:12.097520  # [   94.023662] [<c059920c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 1386 21:23:12.097634  # [   94.031253] Exception stack(0xc6e75fa8 to 0xc6e75ff0)
 1387 21:23:12.141002  # [   94.036333] 5fa0:                   00000004 00000004 00000001 b6e8a000 00000004 00000000
 1388 21:23:12.141176  # [   94.044540] 5fc0: 00000004 00000004 b6fd1e00 00000004 00000001 00000000 00020000 bee74a54
 1389 21:23:12.141254  # [   94.052742] 5fe0: 00000004 bee74788 b6f3c4cf b6ec27e6
 1390 21:23:12.141322  # [   94.057825] Code: e92dd800 e24cb004 e52d[   94.844719] lkdtm: Performing direct entry WARNING
 1391 21:23:12.141387  e004 e8bd4000 (e7f001f2) 
 1392 21:23:12.141449  # [   [   94.850346] ------------[ cut here ]------------
 1393 21:23:12.141510  94.063952] ---[ end trace dfcb905[   94.857767] WARNING: CPU: 3 PID: 869 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x48/0x4c
 1394 21:23:12.185010  fa2d201c0 ]---
 1395 21:23:12.185523  # [   94.068597] [   94.869106] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv imx_ldb gpu_sched dw_hdmi_imx dw_hdmi parallel_display imxdrm imx_ipu_v3
 1396 21:23:12.185876  BUG: sleeping function called fro[   94.900759] CPU: 3 PID: 869 Comm: cat Tainted: G      D W         5.10.153-cip19 #1
 1397 21:23:12.229284  m invalid context at include/linu[   94.911226] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 1398 21:23:12.229810  x/percpu-rwsem.h:49
 1399 21:23:12.230148  # [   94.077[   94.920617] Backtrace: 
 1400 21:23:12.230517  494] in_atomic(): 0, irqs_disable[   94.925947] [<c137e9d0>] (dump_backtrace) from [<c137ed90>] (show_stack+0x20/0x24)
 1401 21:23:12.230857  d(): 128, non_block: 0, pid: 798,[   94.936366]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4
 1402 21:23:12.231177   name: cat
 1403 21:23:12.231479  # [   94.085169] INFO[   94.944892] [<c137ed70>] (show_stack) from [<c1385f0c>] (dump_stack+0xe0/0x100)
 1404 21:23:12.273082  : lockdep is turned off.
 1405 21:23:12.273636  # [   9[   94.955063] [<c1385e2c>] (dump_stack) from [<c03566f0>] (__warn+0xfc/0x16c)
 1406 21:23:12.274010  4.089111] irq event stamp: 1624
 1407 21:23:12.274374  [   94.964883]  r9:00000009 r8:c0c2f5e4 r7:00000053 r6:00000009 r5:c0c2f5e4 r4:c1ad1060
 1408 21:23:12.274711  # [   94.092469] hardirqs last  e[   94.975488] [<c03565f4>] (__warn) from [<c137feb0>] (warn_slowpath_fmt+0x8c/0xa8)
 1409 21:23:12.275040  nabled at (1623): [<c03d5080>] co[   94.985842]  r7:00000053 r6:c1ad1060 r5:00000000 r4:c6ab0000
 1410 21:23:12.275361  nsole_unlock+0x4b0/0x6c0
 1411 21:23:12.317008  # [   9[   94.994370] [<c137fe28>] (warn_slowpath_fmt) from [<c0c2f5e4>] (lkdtm_WARNING+0x48/0x4c)
 1412 21:23:12.317170  4.100333] hardirqs last disabled [   95.005316]  r9:c1ad09a8 r8:c15e8634 r7:c6ab1f60 r6:00000008 r5:c421c000 r4:00000002
 1413 21:23:12.317246  at (1624): [<c0300c60>] __und_svc[   95.015926] [<c0c2f59c>] (lkdtm_WARNING) from [<c0c2f018>] (lkdtm_do_action+0x2c/0x4c)
 1414 21:23:12.317307  +0x60/0x6c
 1415 21:23:12.317368  # [   94.107586] soft[   95.026703] [<c0c2efec>] (lkdtm_do_action) from [<c0c2f518>] (direct_entry+0x120/0x18c)
 1416 21:23:12.361210  irqs last  enabled at (1620): [<c[   95.037574] [<c0c2f3f8>] (direct_entry) from [<c07f6080>] (full_proxy_write+0x64/0x94)
 1417 21:23:12.361735  03021a8>] __do_softirq+0x378/0x5f[   95.048345]  r9:c6ab1f60 r8:c530cd80 r7:00000008 r6:b6eb5000 r5:c4226780 r4:c0c2f3f8
 1418 21:23:12.362089  c
 1419 21:23:12.362399  # [   94.115273] softirqs last[   95.058958] [<c07f601c>] (full_proxy_write) from [<c0598c00>] (vfs_write+0x10c/0x524)
 1420 21:23:12.362702   disabled at (1611): [<c035ef9c>][   95.069645]  r9:c07f601c r8:c6ab1f60 r7:c2816000 r6:b6eb5000 r5:c4226780 r4:00000000
 1421 21:23:12.363000   __irq_exit_rcu+0x178/0x1d0
 1422 21:23:12.405343  # [ [   95.080250] [<c0598af4>] (vfs_write) from [<c0599194>] (ksys_write+0x74/0xec)
 1423 21:23:12.405964    94.123133] CPU: 2 PID: 798 Comm[   95.090247]  r10:00000004 r9:00000000 r8:00000000 r7:b6eb5000 r6:c6ab0000 r5:c4226780
 1424 21:23:12.406383  : cat Tainted: G      D          [   95.100936]  r4:c4226780
 1425 21:23:12.406747   5.10.153-cip19 #1
 1426 21:23:12.407101  # [   94.1308[   95.106338] [<c0599120>] (ksys_write) from [<c0599224>] (sys_write+0x18/0x1c)
 1427 21:23:12.407429  09] Hardware name: Freescale i.MX[   95.116335]  r9:c6ab0000 r8:c03002e4 r7:00000004 r6:b6ffce00 r5:00000008 r4:00000008
 1428 21:23:12.448900  6 Quad/DualLite (Device Tree)
 1429 21:23:12.449056  # [   95.126946] [<c059920c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 1430 21:23:12.449121  [   94.137354] Backtrace: 
 1431 21:23:12.449180  # [  [   95.137372] Exception stack(0xc6ab1fa8 to 0xc6ab1ff0)
 1432 21:23:12.449237   94.139867] [<c137e9d0>] (dump_ba[   95.145290] 1fa0:                   00000008 00000008 00000001 b6eb5000 00000008 00000000
 1433 21:23:12.449294  cktrace) from [<c137ed90>] (show_[   95.156330] 1fc0: 00000008 00000008 b6ffce00 00000004 00000001 00000000 00020000 be811a54
 1434 21:23:12.449350  stack+0x20/0x24)
 1435 21:23:12.493329  # [   94.147466[   95.167367] 1fe0: 00000004 be811788 b6f674cf b6eed7e6
 1436 21:23:12.493854  ]  r7:ffffffff r6:600e0093 r5:000[   95.175330] irq event stamp: 0
 1437 21:23:12.494193  00000 r4:c1f0f7b4
 1438 21:23:12.494512  # [   94.15316[   95.181243] hardirqs last  enabled at (0): [<00000000>] 0x0
 1439 21:23:12.494811  7] [<c137ed70>] (show_stack) from[   95.189686] hardirqs last disabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 1440 21:23:12.495117   [<c1385f0c>] (dump_stack+0xe0/0x[   95.200034] softirqs last  enabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 1441 21:23:12.495404  100)
 1442 21:23:12.537179  # [   94.160524] [<c1385e2c[   95.210374] softirqs last disabled at (0): [<00000000>] 0x0
 1443 21:23:12.537699  >] (dump_stack) from [<c038e50c>][   95.218806] ---[ end trace dfcb905fa2d201c1 ]---
 1444 21:23:12.538035   (___might_sleep+0x1b0/0x2c0)
 1445 21:23:12.538343  # [   94.168300]  r9:600e0093 r8:0000000b r7:c035bb84 r6:00000031 r5:c19cd1c4 r4:c6e74000
 1446 21:23:12.538640  # [   94.176080] [<c038e35c>] (___might_sleep) from [<c038e68c>] (__might_sleep+0x70/0xb0)
 1447 21:23:12.538929  # [   94.183936]  r6:00000000 r5:00000031 r4:c19cd1c4
 1448 21:23:12.581101  # [   94.188602] [<c038e61c>] (__might_sleep) from [<c036cd0c>] (exit_signals+0x4c/0x3fc)
 1449 21:23:12.581642  # [   94.196372]  r6:00000001 r5:c6e74000 r4:c41bb600
 1450 21:23:12.582018  # [   94.201037] [<c036ccc0>] (exit_signals) from [<c035bb84>] (do_exit+0x10c/0xb4c)
 1451 21:23:12.582355  # [   94.208377]  r8:0000000b r7:c1e0fc8c r6:ffffe000 r5:00000000 r4:c41bb600
 1452 21:23:12.582682  # [   94.215116] [<c035ba78>] (do_exit) from [<c030ea88>] (die+0x374/0x380)
 1453 21:23:12.582976  # [   94.221665]  r7:c1e0fc8c
 1454 21:23:12.583272  # [   94.224232] [<c030e714>] (die) from [<c030ec04>] (do_undefinstr+0x170/0x240)
 1455 21:23:12.629341  # [   94.231312]  r10:00000004 r9:c6e74000 r8:c15e8634 r7:00000000 r6:c6e75dc8 r5:c0c2f598
 1456 21:23:12.629866  # [   94.239161]  r4:e7f001f2
 1457 21:23:12.630199  # [   94.241730] [<c030ea94>] (do_undefinstr) from [<c0300c6c>] (__und_svc_finish+0x0/0x54)
 1458 21:23:12.630510  # [   94.249669] Exception stack(0xc6e75dc8 to 0xc6e75e10)
 1459 21:23:12.630804  # [   94.254752] 5dc0:                   c15e863c ef7ab5e0 b0b478c4 c0c2f584 00000001 c6d2e000
 1460 21:23:12.631092  # [   94.262962] 5de0: 00000004 c6e75f60 c15e8634 c1ad09a4 00000004 c6e75e64 c6e75e68 c6e75e58
 1461 21:23:12.631376  # [   94.271164] 5e00: c0c2f018 c0c2f598 a00e0013 ffffffff
 1462 21:23:12.673101  # [   94.276243]  r7:c6e75dfc r6:ffffffff r5:a00e0013 r4:c0c2f59c
 1463 21:23:12.673527  # [   94.281945] [<c0c2f584>] (lkdtm_BUG) from [<c0c2f018>] (lkdtm_do_action+0x2c/0x4c)
 1464 21:23:12.673863  # [   94.289552] [<c0c2efec>] (lkdtm_do_action) from [<c0c2f518>] (direct_entry+0x120/0x18c)
 1465 21:23:12.674173  # [   94.297592] [<c0c2f3f8>] (direct_entry) from [<c07f6080>] (full_proxy_write+0x64/0x94)
 1466 21:23:12.674467  # [   94.305541]  r9:c6e75f60 r8:c530cd80 r7:00000004 r6:b6e8a000 r5:c69b4780 r4:c0c2f3f8
 1467 21:23:12.674755  # [   94.313320] [<c07f601c>] (full_proxy_write) from [<c0598c00>] (vfs_write+0x10c/0x524)
 1468 21:23:12.717154  # [   94.321180]  r9:c07f601c r8:c6e75f60 r7:c2816000 r6:b6e8a000 r5:c69b4780 r4:00000000
 1469 21:23:12.717692  # [   94.328955] [<c0598af4>] (vfs_write) from [<c0599194>] (ksys_write+0x74/0xec)
 1470 21:23:12.718059  # [   94.336121]  r10:00000004 r9:00000000 r8:00000000 r7:b6e8a000 r6:c6e74000 r5:c69b4780
 1471 21:23:12.718391  # [   94.343970]  r4:c69b4780
 1472 21:23:12.718704  # [   94.346537] [<c0599120>] (ksys_write) from [<c0599224>] (sys_write+0x18/0x1c)
 1473 21:23:12.719014  # [   94.353703]  r9:c6e74000 r8:c03002e4 r7:00000004 r6:b6fd1e00 r5:00000004 r4:00000004
 1474 21:23:12.761103  # [   94.361479] [<c059920c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 1475 21:23:12.761751  # [   94.369069] Exception stack(0xc6e75fa8 to 0xc6e75ff0)
 1476 21:23:12.762242  # [   94.374149] 5fa0:                   00000004 00000004 00000001 b6e8a000 00000004 00000000
 1477 21:23:12.762714  # [   94.382357] 5fc0: 00000004 00000004 b6fd1e00 00000004 00000001 00000000 00020000 bee74a54
 1478 21:23:12.763175  # [   94.390558] 5fe0: 00000004 bee74788 b6f3c4cf b6ec27e6
 1479 21:23:12.763550  # BUG: saw 'kernel BUG at': ok
 1480 21:23:12.763847  ok 2 selftests: lkdtm: BUG.sh
 1481 21:23:12.764135  # selftests: lkdtm: WARNING.sh
 1482 21:23:12.805138  # [   94.844719] lkdtm: Performing direct entry WARNING
 1483 21:23:12.805656  # [   94.850346] ------------[ cut here ]------------
 1484 21:23:12.805998  # [   94.857767] WARNING: CPU: 3 PID: 869 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x48/0x4c
 1485 21:23:12.848880  # [   94.869106] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv imx_ldb gpu_sched dw_hdmi_imx dw_hdmi parallel_display imxdrm imx_ipu_v3
 1486 21:23:12.849059  # [   94.900759] CPU: 3 PID: 869 Comm: cat Tainted: G      D W         5.10.153-cip19 #1
 1487 21:23:12.849131  # [   94.911226] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 1488 21:23:12.849198  # [   94.920617] Backtrace: 
 1489 21:23:12.849262  # [   94.925947] [<c137e9d0>] (d[   95.534232] lkdtm: Performing direct entry WARNING_MESSAGE
 1490 21:23:12.849326  ump_backtrace) from [<c137ed90>] [   95.541568] ------------[ cut here ]------------
 1491 21:23:12.849387  (show_stack+0x20/0x24)
 1492 21:23:12.893094  # [   94.[   95.549105] WARNING: CPU: 3 PID: 904 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x4c/0x54
 1493 21:23:12.893647  936366]  r7:ffffffff r6:600e0013 [   95.561009] Warning message trigger count: 2
 1494 21:23:12.894005  r5:00000000 r4:c1f0f7b4
 1495 21:23:12.894322  # [   94[   95.568197] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv imx_ldb gpu_sched dw_hdmi_imx dw_hdmi parallel_display imxdrm imx_ipu_v3
 1496 21:23:12.937130  .944892] [<c137ed70>] (show_stack[   95.599848] CPU: 3 PID: 904 Comm: cat Tainted: G      D W         5.10.153-cip19 #1
 1497 21:23:12.937671  ) from [<c1385f0c>] (dump_stack+0[   95.610312] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 1498 21:23:12.938016  xe0/0x100)
 1499 21:23:12.938333  # [   94.955063] [<c1[   95.619703] Backtrace: 
 1500 21:23:12.938635  385e2c>] (dump_stack) from [<c035[   95.625035] [<c137e9d0>] (dump_backtrace) from [<c137ed90>] (show_stack+0x20/0x24)
 1501 21:23:12.938943  66f0>] (__warn+0xfc/0x16c)
 1502 21:23:12.939236  # [  [   95.635449]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4
 1503 21:23:12.981130   94.964883]  r9:00000009 r8:c0c2f[   95.643977] [<c137ed70>] (show_stack) from [<c1385f0c>] (dump_stack+0xe0/0x100)
 1504 21:23:12.981665  5e4 r7:00000053 r6:00000009 r5:c0[   95.654150] [<c1385e2c>] (dump_stack) from [<c03566f0>] (__warn+0xfc/0x16c)
 1505 21:23:12.982020  c2f5e4 r4:c1ad1060
 1506 21:23:12.982386  # [   94.9754[   95.663967]  r9:00000009 r8:c0c2f634 r7:00000058 r6:00000009 r5:c0c2f634 r4:c1ad1060
 1507 21:23:12.982730  88] [<c03565f4>] (__warn) from [<[   95.674574] [<c03565f4>] (__warn) from [<c137feb0>] (warn_slowpath_fmt+0x8c/0xa8)
 1508 21:23:13.025149  c137feb0>] (warn_slowpath_fmt+0x8[   95.684916]  r7:00000058 r6:c1ad1060 r5:c1ad107c r4:c6eb4000
 1509 21:23:13.025699  c/0xa8)
 1510 21:23:13.026042  # [   94.985842]  r7:000[   95.693446] [<c137fe28>] (warn_slowpath_fmt) from [<c0c2f634>] (lkdtm_WARNING_MESSAGE+0x4c/0x54)
 1511 21:23:13.026365  00053 r6:c1ad1060 r5:00000000 r4:[   95.705088]  r9:c1ad09b0 r8:c15e8634 r7:c6eb5f60 r6:00000010 r5:c6ae6000 r4:00000003
 1512 21:23:13.026687  c6ab0000
 1513 21:23:13.026987  # [   94.994370] [<c137[   95.715697] [<c0c2f5e8>] (lkdtm_WARNING_MESSAGE) from [<c0c2f018>] (lkdtm_do_action+0x2c/0x4c)
 1514 21:23:13.073104  fe28>] (warn_slowpath_fmt) from [[   95.727172] [<c0c2efec>] (lkdtm_do_action) from [<c0c2f518>] (direct_entry+0x120/0x18c)
 1515 21:23:13.073665  <c0c2f5e4>] (lkdtm_WARNING+0x48/0[   95.738040] [<c0c2f3f8>] (direct_entry) from [<c07f6080>] (full_proxy_write+0x64/0x94)
 1516 21:23:13.074015  x4c)
 1517 21:23:13.074333  # [   95.005316]  r9:c1ad09[   95.748813]  r9:c6eb5f60 r8:c530cd80 r7:00000010 r6:b6e97000 r5:c422a500 r4:c0c2f3f8
 1518 21:23:13.074651  a8 r8:c15e8634 r7:c6ab1f60 r6:000[   95.759426] [<c07f601c>] (full_proxy_write) from [<c0598c00>] (vfs_write+0x10c/0x524)
 1519 21:23:13.074955  00008 r5:c421c000 r4:00000002
 1520 21:23:13.117162  # [   95.770111]  r9:c07f601c r8:c6eb5f60 r7:c2816000 r6:b6e97000 r5:c422a500 r4:00000000
 1521 21:23:13.117694  [   95.015926] [<c0c2f59c>] (lkdt[   95.780718] [<c0598af4>] (vfs_write) from [<c0599194>] (ksys_write+0x74/0xec)
 1522 21:23:13.118044  m_WARNING) from [<c0c2f018>] (lkd[   95.790714]  r10:00000004 r9:00000000 r8:00000000 r7:b6e97000 r6:c6eb4000 r5:c422a500
 1523 21:23:13.118369  tm_do_action+0x2c/0x4c)
 1524 21:23:13.118678  # [   95[   95.801402]  r4:c422a500
 1525 21:23:13.118977  .026703] [<c0c2efec>] (lkdtm_do_a[   95.806805] [<c0599120>] (ksys_write) from [<c0599224>] (sys_write+0x18/0x1c)
 1526 21:23:13.160873  ction) from [<c0c2f518>] (direct_[   95.816801]  r9:c6eb4000 r8:c03002e4 r7:00000004 r6:b6fdee00 r5:00000010 r4:00000010
 1527 21:23:13.161035  entry+0x120/0x18c)
 1528 21:23:13.161101  # [   95.0375[   95.827411] [<c059920c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 1529 21:23:13.161164  74] [<c0c2f3f8>] (direct_entry) f[   95.837834] Exception stack(0xc6eb5fa8 to 0xc6eb5ff0)
 1530 21:23:13.161227  rom [<c07f6080>] (full_proxy_writ[   95.845753] 5fa0:                   00000010 00000010 00000001 b6e97000 00000010 00000000
 1531 21:23:13.161286  e+0x64/0x94)
 1532 21:23:13.204902  # [   95.048345]  r[   95.856794] 5fc0: 00000010 00000010 b6fdee00 00000004 00000001 00000000 00020000 be9f8a54
 1533 21:23:13.205110  9:c6ab1f60 r8:c530cd80 r7:0000000[   95.867830] 5fe0: 00000004 be9f8788 b6f494cf b6ecf7e6
 1534 21:23:13.205210  8 r6:b6eb5000 r5:c4226780 r4:c0c2[   95.875778] irq event stamp: 0
 1535 21:23:13.205305  f3f8
 1536 21:23:13.205394  # [   95.058958] [<c07f601c[   95.881668] hardirqs last  enabled at (0): [<00000000>] 0x0
 1537 21:23:13.205485  >] (full_proxy_write) from [<c059[   95.890144] hardirqs last disabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 1538 21:23:13.205585  8c00>] (vfs_write+0x10c/0x524)
 1539 21:23:13.249083  #[   95.900479] softirqs last  enabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 1540 21:23:13.249643   [   95.069645]  r9:c07f601c r8:c[   95.910825] softirqs last disabled at (0): [<00000000>] 0x0
 1541 21:23:13.249994  6ab1f60 r7:c2816000 r6:b6eb5000 r[   95.919259] ---[ end trace dfcb905fa2d201c2 ]---
 1542 21:23:13.250376  5:c4226780 r4:00000000
 1543 21:23:13.250723  # [   95.080250] [<c0598af4>] (vfs_write) from [<c0599194>] (ksys_write+0x74/0xec)
 1544 21:23:13.251073  # [   95.090247]  r10:00000004 r9:00000000 r8:00000000 r7:b6eb5000 r6:c6ab0000 r5:c4226780
 1545 21:23:13.251366  # [   95.100936]  r4:c4226780
 1546 21:23:13.293202  # [   95.106338] [<c0599120>] (ksys_write) from [<c0599224>] (sys_write+0x18/0x1c)
 1547 21:23:13.293736  # [   95.116335]  r9:c6ab0000 r8:c03002e4 r7:00000004 r6:b6ffce00 r5:00000008 r4:00000008
 1548 21:23:13.294089  # [   95.126946] [<c059920c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 1549 21:23:13.294409  # [   95.137372] Exception stack(0xc6ab1fa8 to 0xc6ab1ff0)
 1550 21:23:13.294716  # [   95.145290] 1fa0:                   00000008 00000008 00000001 b6eb5000 00000008 00000000
 1551 21:23:13.337369  # [   95.156330] 1fc0: 00000008 00000008 b6ffce00 00000004 00000001 00000000 00020000 be811a54
 1552 21:23:13.337942  # [   95.167367] 1fe0: 00000004 be811788 b6f674cf b6eed7e6
 1553 21:23:13.338365  # [   95.175330] irq event stamp: 0
 1554 21:23:13.338688  # [   95.181243] hardirqs last  enabled at (0): [<00000000>] 0x0
 1555 21:23:13.338997  # [   95.189686] hardirqs last disabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 1556 21:23:13.339298  # [   95.200034] softirqs last  enabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 1557 21:23:13.339619  # [   95.210374] softirqs last disabled at (0): [<00000000>] 0x0
 1558 21:23:13.339910  # [   95.218806] ---[ end trace dfcb905fa2d201c1 ]---
 1559 21:23:13.381143  # WARNING: saw 'WARNING:': ok
 1560 21:23:13.381704  ok 3 selftests: lkdtm: WARNING.sh
 1561 21:23:13.382051  # selftests: lkdtm: WARNING_MESSAGE.sh
 1562 21:23:13.382370  # [   95.534232] lkdtm: Performing direct entry WARNING_MESSAGE
 1563 21:23:13.382684  # [   95.541568] ------------[ cut here ]------------
 1564 21:23:13.382984  # [   95.549105] WARNING: CPU: 3 PID: 904 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x4c/0x54
 1565 21:23:13.383312  # [   95.561009] Warning message trigger count: 2
 1566 21:23:13.424849  # [   95.568197] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv imx_ldb gpu_sched dw_hdmi_imx dw_hdmi parallel_display imxdrm imx_ipu_v3
 1567 21:23:13.425008  # [   95.599848] CPU: 3 PID: 904 Comm: cat Tainted: G      D W         5.10.153-cip19 #1
 1568 21:23:13.425076  # [   95.610312] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 1569 21:23:13.425138  # [   95.619703] Backtrace: 
 1570 21:23:13.425196  # [   95.625035] [<c137e9d0>] (dump_backtrace) from [<c137ed90>] (show_stack+0x20/0x24)
 1571 21:23:13.469048  # [   95.635449]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4
 1572 21:23:13.469210  # [   95.643977] [<c137ed70>] (show_stack) from [<c1385f0c>] (dump_stack+0xe0/0x100)
 1573 21:23:13.469285  # [   95.654150] [<c1385e2c>] (dump_stack) from [<c03566f0>] (__warn+0xfc/0x16c)
 1574 21:23:13.469353  # [   95.663967]  r9:00000009 r8:c0c2f634 r7:00000058 r6:00000009 r5:c0c2f634 r4:c1ad1060
 1575 21:23:13.469419  # [   95.674574] [<c03565f4>] (__warn) from [<c137feb0>] (warn_slowpath_fmt+0x8c/0xa8)
 1576 21:23:13.469484  # [   95.684916]  r7:00000058 r6:c1ad1060 r5:c1ad107c r4:c6eb4000
 1577 21:23:13.512993  # [   95.693446] [<c137fe28>] (warn_slowpath_fmt) from [<c0c2f634>] (lkdtm_WARNING_MESSAGE+0x4c/0x54)
 1578 21:23:13.513231  # [   95.705088]  r9:c1ad09b0 r8:c15e8634 r7:c6eb5f60 r6:00000010 r5:c6ae6000 r4:00000003
 1579 21:23:13.513371  # [   95.715697] [<c0c2f5e8>] (lkdtm_WARNING_MESSAGE) from [<c0c2f018>] (lkdtm_do_action+0x2c/0x4c)
 1580 21:23:13.513506  # [   95.727172] [<c0c2efec>] (lkdtm_do_action) from [<c0c2f518>] (direct_entry+0x120/0x18c)
 1581 21:23:13.513625  # [   95.738040] [<c0c2f3f8>] (direct_entry) from [<c07f6080>] (full_proxy_write+0x64/0x94)
 1582 21:23:13.556971  # [   95.748813]  r9:c6eb5f60 r8:c530cd80 r7:00000010 r6:b6e97000 r5:c422a500 r4:c0c2f3f8
 1583 21:23:13.557142  # [   95.759426] [<c07f601c>] (full_proxy_write) from [<c0598c00>] (vfs_write+0x10c/0x524)
 1584 21:23:13.557219  # [   95.770111]  r9:c07f601c r8:c6eb5f60 r7:c2816000 r6:b6e97000 r5:c422a500 r4:00000000
 1585 21:23:13.557289  # [   95.780718] [<c0598af4>] (vfs_write) from [<c0599194>] (ksys_write+0x74/0xec)
 1586 21:23:13.557357  # [   95.790714]  r10:00000004 r9:00000000 r8:00000000 r7:b6e97000[   96.237998] lkdtm: Performing direct entry EXCEPTION
 1587 21:23:13.557425   r6:c6eb4000 r5:c422a500
 1588 21:23:13.601050  # [[    96.244011] 8<--- cut here ---
 1589 21:23:13.601369   95.801402]  r4:c422a500
 1590 21:23:13.601561  # [   9[   96.249740] Unable to handle kernel NULL pointer dereference at virtual address 00000000
 1591 21:23:13.601744  5.806805] [<c0599120>] (ksys_writ[   96.260849] pgd = b16eff71
 1592 21:23:13.601921  e) from [<c0599224>] (sys_write+0[   96.266236] [00000000] *pgd=00000000
 1593 21:23:13.602084  x18/0x1c)
 1594 21:23:13.602241  # [   95.816801]  r9:c[   96.272669] Internal error: Oops: 805 [#2] SMP ARM
 1595 21:23:13.602396  6eb4000 r8:c03002e4 r7:00000004 r[   96.280291] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv imx_ldb gpu_sched dw_hdmi_imx dw_hdmi parallel_display imxdrm imx_ipu_v3
 1596 21:23:13.602565  6:b6fdee00 r5:000000[1 0   r946:.311995] CPU: 2 PID: 936 Comm: cat Tainted: G      D W         5.10.153-cip19 #1
 1597 21:23:13.602724  0000010
 1598 21:23:13.602881  #[  [   9 6 .9352.188297] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 1599 21:23:13.645387  411] [<c059920c>] (sys_write)[  f 96.330176] PC is at lkdtm_EXCEPTION+0x18/0x20
 1600 21:23:13.645976  rom [<c03000[c 0 > ]9 6(.r3e3t7_211] LR is at lkdtm_do_action+0x2c/0x4c
 1601 21:23:13.646357  ast_syscall+0x[0 / 0 x9268.)3
 1602 21:23:13.646708  4
 1603 21:23:13.647139  3562] pc : [<c0c2f654>]    lr : [<c0c2f018>]    psr: a00e0013
 1604 21:23:13.647493   [   95.[8 3  79863.43]5 1E8x2c0e sp : c5fabe58  ip : c5fabe68  fp : c5fabe64
 1605 21:23:13.647824  ption st[a c k (906x.c365e8b659f2] r10: 0000000a  r9 : c1ad09c0  r8 : c15e8634
 1606 21:23:13.648150  8 to 0xc6[e b 5 f9f60.)3
 1607 21:23:13.648469  6
 1608 21:23:13.648821  5#6 5[] r7 : c5fabf60  r6 : 0000000a  r5 : c6cc4000  r4 : 00000004
 1609 21:23:13.686351     95.8457[5 3  ]9 65.f3a703:9 1 ] r3 : 00000000  r2 : fb26250d  r1 : ef7ab5e0  r0 : c15e8654
 1610 21:23:13.686542               [       9060.030802077] Flags: NzCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 1611 21:23:13.686638  10 0000001[0   0 09060.03090112 18] Control: 10c5387d  Table: 1683404a  DAC: 00000051
 1612 21:23:13.686727  6e97000 000[0 0 0 1906 .0309080706] Process cat (pid: 936, stack limit = 0xd7065ae4)
 1613 21:23:13.686814  000
 1614 21:23:13.686896  # [   9[5 . 8 59667.94406]2 6] Stack: (0xc5fabe58 to 0xc5fac000)
 1615 21:23:13.729588  5fc0: 00000010[  0 0 09060.041102444] be40:                                                       c5fabe74 c5fabe68
 1616 21:23:13.730065  b6fdee00 00000[0 0 4  9060.040202619] be60: c0c2f018 c0c2f648 c5fabe9c c5fabe78 c0c2f518 c0c2eff8 c0c2f3f8 c422b7c0
 1617 21:23:13.730466  01 00000000 00[ 0 2 09060.04 3b2e89] be80: b6e7d000 0000000a c530cd80 c5fabf60 c5fabec4 c5fabea0 c07f6080 c0c2f404
 1618 21:23:13.730824  9f8a54
 1619 21:23:13.731164  # [   9[5 . 8 69768.34042873] bea0: 00000000 c422b7c0 b6e7d000 c2816000 c5fabf60 c07f601c c5fabf5c c5fabec8
 1620 21:23:13.731493   5fe0: 00000004 [b e 9 f9867.84853046] bec0: c0598c00 c07f6028 00000001 00000000 c0599194 c13a1c60 c0599194 c5faa000
 1621 21:23:13.773166  b6f494cf b6ecf[7 e 6 
 1622 21:23:13.773742  9
 1623 21:23:13.774148  6#. 4[6 3303] bee0: b6e7d000 00020000 00000004 0000000a 0001fff6 c5fabee0 00000001 b6e7c000
 1624 21:23:13.774509   95.875778] irq[  e v e9n6t. 4s7t474] bf00: c58017c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 1625 21:23:13.774854  amp: 0
 1626 21:23:13.775174  # [   95.[8 8 1 69668.]4 3646] bf20: 00000000 00000000 c13a1c60 fb26250d c205cf20 c422b7c0 c422b7c0 c5faa000
 1627 21:23:13.775495  hardirqs last  [e n a b9l6e.d4 9a903] bf40: b6e7d000 00000000 00000000 00000004 c5fabf94 c5fabf60 c0599194 c0598b00
 1628 21:23:13.775815  t (0): [<000000[0 0 > ]9 60.x500
 1629 21:23:13.816822  074] bf60: 00000000 00000000 c5fabfac fb26250d 0000000a 0000000a b6fc4e00 00000004
 1630 21:23:13.816996  
 1631 21:23:13.817072  # [   95.89014[4 ]   h9a6r.d5i1r244] bf80: c03002e4 c5faa000 c5fabfa4 c5fabf98 c0599224 c059912c 00000000 c5fabfa8
 1632 21:23:13.817145  qs last disa[b l e d9 6a.t5 2(40415] bfa0: c03000c0 c0599218 0000000a 0000000a 00000001 b6e7d000 0000000a 00000000
 1633 21:23:13.817214  : [<c0353ce0>] [c o p y9_6p.r5o3c502] bfc0: 0000000a 0000000a b6fc4e00 00000004 00000001 00000000 00020000 beb2da54
 1634 21:23:13.817282  ess+0x5c8/0x[1 9 4 c9
 1635 21:23:13.817346  6
 1636 21:23:13.861152  .#5 4[4 672] bfe0: 00000004 beb2d788 b6f2f4cf b6eb57e6 800e0030 00000001 00000000 00000000
 1637 21:23:13.861698   95.900479] so[f t i r9q6s. 5l5a4752] Backtrace: 
 1638 21:23:13.862045  t  enabled at (0): [<c03[5 3 c e96.559204] [<c0c2f63c>] (lkdtm_EXCEPTION) from [<c0c2f018>] (lkdtm_do_action+0x2c/0x4c)
 1639 21:23:13.862376  >] copy_process+0x5c8/0[x 1 9 49c.569722] [<c0c2efec>] (lkdtm_do_action) from [<c0c2f518>] (direct_entry+0x120/0x18c)
 1640 21:23:13.862691  
 1641 21:23:13.862991  # [   95.910825] softir[q s   l6.580071] [<c0c2f3f8>] (direct_entry) from [<c07f6080>] (full_proxy_write+0x64/0x94)
 1642 21:23:13.905293  ast disabled at ([0 ) :  9[6<.0500410]  r9:c5fabf60 r8:c530cd80 r7:0000000a r6:b6e7d000 r5:c422b7c0 r4:c0c2f3f8
 1643 21:23:13.905891  000000>] 0x0
 1644 21:23:13.906294  # [   95.9[1 9 2 596.600239] [<c07f601c>] (full_proxy_write) from [<c0598c00>] (vfs_write+0x10c/0x524)
 1645 21:23:13.906654  ] ---[ end trac[e   d f9c6b.96015491]  r9:c07f601c r8:c5fabf60 r7:c2816000 r6:b6e7d000 r5:c422b7c0 r4:00000000
 1646 21:23:13.907004  fa2d201c2 ]---
 1647 21:23:13.907341  #[  W A R9N6I.N6G0229] [<c0598af4>] (vfs_write) from [<c0599194>] (ksys_write+0x74/0xec)
 1648 21:23:13.948908  _MESSAGE: saw[  ' m e9s6s.a6g2e9 44]  r10:00000004 r9:00000000 r8:00000000 r7:b6e7d000 r6:c5faa000 r5:c422b7c0
 1649 21:23:13.949145  trigger':[  o k 
 1650 21:23:13.949329  9
 1651 21:23:13.949502  6o.k6 349 1s8e]  r4:c422b7c0
 1652 21:23:13.949671  lftests: lkdtm: WA[R N I N9G6_.M643454] [<c0599120>] (ksys_write) from [<c0599224>] (sys_write+0x18/0x1c)
 1653 21:23:13.949803  SSAGE.sh
 1654 21:23:13.949930  # self[t e s t9s6:. 6l52756]  r9:c5faa000 r8:c03002e4 r7:00000004 r6:b6fc4e00 r5:0000000a r4:0000000a
 1655 21:23:13.950058  dtm: EXCEPTION.sh
 1656 21:23:13.950179  [   96.662584] [<c059920c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 1657 21:23:13.950304  [   96.671791] Exception stack(0xc5fabfa8 to 0xc5fabff0)
 1658 21:23:13.992972  [   96.676850] bfa0:                   0000000a 0000000a 00000001 b6e7d000 0000000a 00000000
 1659 21:23:13.993167  [   96.685036] bfc0: 0000000a 0000000a b6fc4e00 00000004 00000001 00000000 00020000 beb2da54
 1660 21:23:13.993261  [   96.693221] bfe0: 00000004 beb2d788 b6f2f4cf b6eb57e6
 1661 21:23:13.993350  [   96.698282] Code: e24cb004 e52de004 e8bd4000 e3a03000 (e5833000) 
 1662 21:23:13.993436  [   96.704428] ---[ end trace dfcb905fa2d201c3 ]---
 1663 21:23:13.993520  # Segmentation fault
 1664 21:23:14.078709  # [   96.237998] lkdtm: Performing direct entry EXCEPTION
 1665 21:23:14.079245  # [   96.244011] 8<--- cut here ---
 1666 21:23:14.079598  # [   96.249740] Unable to handle kernel NULL pointer dereference at virtual address 00000000
 1667 21:23:14.079928  # [   96.260849] pgd = b16eff71
 1668 21:23:14.080243  # [   96.266236] [00000000] *pgd=00000000
 1669 21:23:14.080544  # [   96.272669] Internal error: Oops: 805 [#2] SMP ARM
 1670 21:23:14.121371  # [   96.280291] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv imx_ldb gpu_sched dw_hdmi_imx dw_hdmi parallel_display imxdrm imx_ipu_v3
 1671 21:23:14.121461  # [   96.311995] CPU: 2 PID: 936 Comm: cat Tainted: G      D W         5.10.153-cip19 #1
 1672 21:23:14.121527  # [   96.321899] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 1673 21:23:14.121588  # [   96.330176] PC is at lkdtm_EXCEPTION+0x18/0x20
 1674 21:23:14.121646  # [   96.337211] LR is at lkdtm_do_action+0x2c/0x4c
 1675 21:23:14.121703  # [   96.343562] pc : [<c0c2f654>]    lr : [<c0c2f018>]    psr: a00e0013
 1676 21:23:14.165012  # [   96.351820] sp : c5fabe58  ip : c5fabe68  fp : c5fabe64
 1677 21:23:14.165306  # [   96.358692] r10: 0000000a  r9 : c1ad09c0  r8 : c15e8634
 1678 21:23:14.165481  # [   96.365653] r7 : c5fabf60  r6 : 0000000a  r5 : c6cc4000  r4 : 00000004
 1679 21:23:14.165638  # [   96.373913] r3 : 00000000  r2 : fb26250d  r1 : ef7ab5e0  r0 : c15e8654
 1680 21:23:14.165807  # [   96.382177] Flags: NzCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 1681 21:23:14.165968  # [   96.391218] Control: 10c5387d  Table: 1683404a  DAC: 00000051
 1682 21:23:14.166103  # [   96.398786] Process cat (pid: 936, stack limit = 0xd7065ae4)
 1683 21:23:14.213168  # [   96.406266] Stack: (0xc5fabe58 to 0xc5fac000)
 1684 21:23:14.213701  # [   96.412444] be40:                                                       c5fabe74 c5fabe68
 1685 21:23:14.214132  # [   96.422619] be60: c0c2f018 c0c2f648 c5fabe9c c5fabe78 c0c2f518 c0c2eff8 c0c2f3f8 c422b7c0
 1686 21:23:14.214477  # [   96.432789] be80: b6e7d000 0000000a c530cd80 c5fabf60 c5fabec4 c5fabea0 c07f6080 c0c2f404
 1687 21:23:14.214790  # [   96.442873] bea0: 00000000 c422b7c0 b6e7d000 c2816000 c5fabf60 c07f601c c5fabf5c c5fabec8
 1688 21:23:14.257173  # [   96.453046] bec0: c0598c00 c07f6028 00000001 00000000 c0599194 c13a1c60 c0599194 c5faa000
 1689 21:23:14.257719  # [   96.463303] bee0: b6e7d000 00020000 00000004 0000000a 0001fff6 c5fabee0 00000001 b6e7c000
 1690 21:23:14.258072  # [   96.473474] bf00: c58017c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 1691 21:23:14.258393  # [   96.483646] bf20: 00000000 00000000 c13a1c60 fb26250d c205cf20 c422b7c0 c422b7c0 c5faa000
 1692 21:23:14.258701  # [   96.493903] bf40: b6e7d000 00000000 00000000 00000004 c5fabf94 c5fabf60 c0599194 c0598b00
 1693 21:23:14.301150  # [   96.504074] bf60: 00000000 00000000 c5fabfac fb26250d 0000000a 0000000a b6fc4e00 00000004
 1694 21:23:14.301691  # [   96.514244] bf80: c03002e4 c5faa000 c5fabfa4 c5fabf98 c0599224 c059912c 00000000 c5fabfa8
 1695 21:23:14.302041  # [   96.524415] bfa0: c03000c0 c0599218 0000000a 0000000a 00000001 b6e7d000 0000000a 00000000
 1696 21:23:14.302366  # [   96.534502] bfc0: 0000000a 0000000a b6fc4e00 00000004 00000001 00000000 00020000 beb2da54
 1697 21:23:14.302676  # [   96.544672] bfe0: 00000004 beb2d788 b6f2f4cf b6eb57e6 800e0030 00000001 00000000 00000000
 1698 21:23:14.302977  # [   96.554752] Backtrace: 
 1699 21:23:14.349048  # [   96.559204] [<c0c2f63c>] (lkdtm_EXCEPTION) from [<c0c2f018>] (lkdtm_do_action+0x2c/0x4c)
 1700 21:23:14.349584  # [   96.569722] [<c0c2efec>] (lkdtm_do_action) from [<c0c2f518>] (direct_entry+0x120/0x18c)
 1701 21:23:14.349928  # [   96.580071] [<c0c2f3f8>] (direct_entry) from [<c07f6080>] (full_proxy_write+0x64/0x94)
 1702 21:23:14.350305  # [   96.590410]  r9:c5fabf60 r8:c530cd80 r7:0000000a r6:b6e7d000 r5:c422b7c0 r4:c0c2f3f8
 1703 21:23:14.350647  # [   96.600239] [<c07f601c>] (full_proxy_write) from [<c0598c00>] (vfs_write+0x10c/0x524)
 1704 21:23:14.350980  # [   96.610491]  r9:c07f601c r8:c5fabf60 r7:c2816000 r6:b6e7d000 r5:c422b7c0 r4:00000000
 1705 21:23:14.392893  # [   96.620229] [<c0598af4>] (vfs_write) from [<c0599194>] (ksys_write+0x74/0xec)
 1706 21:23:14.393078  # [   96.629444]  r10:00000004 r9:00000000 r8:00000000 r7:b6e7d000 r6:c5faa000 r5:c422b7c0
 1707 21:23:14.393173  # [   96.639180]  r4:c422b7c0
 1708 21:23:14.393251  # [   96.643454] [<c0599120>] (ksys_write) from [<c0599224>] (sys_write+0x18/0x1c)
 1709 21:23:14.393326  # [   96.652756]  r9:c5faa000 r8:c03002e4 r7:00000004 r6:b6fc4e00 r5:0000000a r4:0000000a
 1710 21:23:14.393397  # [   96.662584] [<c059920c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 1711 21:23:14.436950  # [   96.671791] Exception stack(0xc5fabfa8 to 0xc5fabff0)
 1712 21:23:14.437286  # [   96.676850] bfa0:                   0000000a 0000000a 00000001 b6e7d000 0000000a 00000000
 1713 21:23:14.437498  # [   96.685036] bfc0: 0000000a 0000000a b6fc4e00 00000004 00000001 00000000 00020000 beb2da54
 1714 21:23:14.437676  # [   96.693221] bfe0: 00000004 beb2d788 b6f2f4cf b6eb57e6
 1715 21:23:14.437845  # [   96.698282] Code: e24cb004 e52de004 e8bd4000 e3a03000 (e5833000) 
 1716 21:23:14.438010  # [   96.704428] ---[ end trace dfcb905fa2d201c3 ]---
 1717 21:23:14.438121  # EXCEPTION: missing 'call trace:': [FAIL]
 1718 21:23:14.438179  not ok 5 selftests: lkdtm: EXCEPTION.sh # exit=1
 1719 21:23:14.481012  # selftests: lkdtm: LOOP.sh
 1720 21:23:14.481449  # Skipping LOOP: Hangs the system
 1721 21:23:14.481794  ok 6 selftests: lkdtm: LOOP.sh # SKIP
 1722 21:23:14.482115  # selftests: lkdtm: EXHAUST_STACK.sh
 1723 21:23:14.513458  # Skipping EXHAUST_STACK: Corrupts memory on failure
 1724 21:23:14.529152  ok 7 selftests: lkdtm: EXHAUST_STACK.sh # SKIP
 1725 21:23:14.544984  # selftests: lkdtm: CORRUPT_STACK.sh
 1726 21:23:14.704817  # Skipping CORRUPT_STACK: Crashes entire system on success
 1727 21:23:14.704979  ok 8 selftests: lkdtm: CORRUPT_STACK.sh # SKIP
 1728 21:23:14.720814  # selftests: lkdtm: CORRUPT_STACK_STRONG.sh
 1729 21:23:14.891226  # Skipping CORRUPT_STACK_STRONG: Crashes entire system on success
 1730 21:23:14.891365  ok 9 selftests: lkdtm: CORRUPT_STACK_STRONG.sh # SKIP
 1731 21:23:14.907270  # selftests: lkdtm: CORRUPT_LIST_ADD.sh
 1732 21:23:15.130737  [   97.830022] lkdtm: Performing direct entry CORRUPT_LIST_ADD
 1733 21:23:15.130876  [   97.835683] lkdtm: attempting good list addition
 1734 21:23:15.130948  [   97.840315] lkdtm: attempting corrupted list addition
 1735 21:23:15.131015  [   97.845376] lkdtm: list_add() corruption not detected!
 1736 21:23:15.210609  # [   97.830022] lkdtm: Performing direct entry CORRUPT_LIST_ADD
 1737 21:23:15.210730  # [   97.835683] lkdtm: attempting good list addition
 1738 21:23:15.210798  # [   97.840315] lkdtm: attempting corrupted list addition
 1739 21:23:15.210862  # [   97.845376] lkdtm: list_add() corruption not detected!
 1740 21:23:15.210921  # CORRUPT_LIST_ADD: missing 'list_add corruption': [FAIL]
 1741 21:23:15.226474  not ok 10 selftests: lkdtm: CORRUPT_LIST_ADD.sh # exit=1
 1742 21:23:15.242443  # selftests: lkdtm: CORRUPT_LIST_DEL.sh
 1743 21:23:15.459145  [   98.162045] lkdtm: Performing direct entry CORRUPT_LIST_DEL
 1744 21:23:15.459278  [   98.167775] lkdtm: attempting good list removal
 1745 21:23:15.459345  [   98.172323] lkdtm: attempting corrupted list removal
 1746 21:23:15.459408  [   98.177462] lkdtm: list_del() corruption not detected!
 1747 21:23:15.538934  # [   98.162045] lkdtm: Performing direct entry CORRUPT_LIST_DEL
 1748 21:23:15.539076  # [   98.167775] lkdtm: attempting good list removal
 1749 21:23:15.539145  # [   98.172323] lkdtm: attempting corrupted list removal
 1750 21:23:15.539208  # [   98.177462] lkdtm: list_del() corruption not detected!
 1751 21:23:15.539269  # CORRUPT_LIST_DEL: missing 'list_del corruption': [FAIL]
 1752 21:23:15.554895  not ok 11 selftests: lkdtm: CORRUPT_LIST_DEL.sh # exit=1
 1753 21:23:15.570814  # selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh
 1754 21:23:15.778460  [   98.480218] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING
 1755 21:23:15.778590  [   98.486594] lkdtm: attempting bad read from page below current stack
 1756 21:23:15.778660  [   98.492964] lkdtm: FAIL: accessed page before stack! (byte: 0)
 1757 21:23:15.864324  # [   98.480218] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING
 1758 21:23:15.864428  # [   98.486594] lkdtm: attempting bad read from page below current stack
 1759 21:23:15.864497  # [   98.492964] lkdtm: FAIL: accessed page before stack! (byte: 0)
 1760 21:23:15.864561  # STACK_GUARD_PAGE_LEADING: missing 'call trace:': [FAIL]
 1761 21:23:15.887517  not ok 12 selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh # exit=1
 1762 21:23:15.903342  # selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh
 1763 21:23:16.094997  [   98.795713] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING
 1764 21:23:16.095132  [   98.802088] lkdtm: attempting bad read from page above current stack
 1765 21:23:16.095208  [   98.808550] lkdtm: FAIL: accessed page after stack! (byte: 1)
 1766 21:23:16.168016  # [   98.795713] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING
 1767 21:23:16.168113  # [   98.802088] lkdtm: attempting bad read from page above current stack
 1768 21:23:16.168182  # [   98.808550] lkdtm: FAIL: accessed page after stack! (byte: 1)
 1769 21:23:16.168249  # STACK_GUARD_PAGE_TRAILING: missing 'call trace:': [FAIL]
 1770 21:23:16.188762  not ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # exit=1
 1771 21:23:16.204805  # selftests: lkdtm: UNSET_SMEP.sh
 1772 21:23:16.388415  [   99.102698] lkdtm: Performing direct entry UNSET_SMEP
 1773 21:23:16.388536  [   99.107869] lkdtm: XFAIL: this test is x86_64-only
 1774 21:23:16.448300  # [   99.102698] lkdtm: Performing direct entry UNSET_SMEP
 1775 21:23:16.448389  # [   99.107869] lkdtm: XFAIL: this test is x86_64-only
 1776 21:23:16.464283  # UNSET_SMEP: saw 'XFAIL': [SKIP]
 1777 21:23:16.480235  ok 14 selftests: lkdtm: UNSET_SMEP.sh # SKIP
 1778 21:23:16.512298  # selftests: lkdtm: DOUBLE_FAULT.sh
 1779 21:23:16.684821  [   99.398456] lkdtm: Performing direct entry DOUBLE_FAULT
 1780 21:23:16.684955  [   99.403703] lkdtm: XFAIL: this test is ia32-only
 1781 21:23:16.743765  # [   99.398456] lkdtm: Performing direct entry DOUBLE_FAULT
 1782 21:23:16.743857  # [   99.403703] lkdtm: XFAIL: this test is ia32-only
 1783 21:23:16.759834  # DOUBLE_FAULT: saw 'XFAIL': [SKIP]
 1784 21:23:16.775810  ok 15 selftests: lkdtm: DOUBLE_FAULT.sh # SKIP
 1785 21:23:16.791613  # selftests: lkdtm: CORRUPT_PAC.sh
 1786 21:23:16.980291  [   99.693898] lkdtm: Performing direct entry CORRUPT_PAC
 1787 21:23:16.980431  [   99.699129] lkdtm: XFAIL: this test is arm64-only
 1788 21:23:17.042383  # [   99.693898] lkdtm: Performing direct entry CORRUPT_PAC
 1789 21:23:17.042490  # [   99.699129] lkdtm: XFAIL: this test is arm64-only
 1790 21:23:17.058218  # CORRUPT_PAC: saw 'XFAIL': [SKIP]
 1791 21:23:17.074302  ok 16 selftests: lkdtm: CORRUPT_PAC.sh # SKIP
 1792 21:23:17.106144  # selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh
 1793 21:23:17.286885  [   99.996056] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE
 1794 21:23:17.287015  [  100.002517] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS
 1795 21:23:17.353703  # [   99.996056] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE
 1796 21:23:17.353788  # [  100.002517] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS
 1797 21:23:17.369571  # UNALIGNED_LOAD_STORE_WRITE: saw 'XFAIL': [SKIP]
 1798 21:23:17.396584  ok 17 selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh # SKIP
 1799 21:23:17.412540  # selftests: lkdtm: OVERWRITE_ALLOCATION.sh
 1800 21:23:17.556453  # Skipping OVERWRITE_ALLOCATION: Corrupts memory on failure
 1801 21:23:17.572377  ok 18 selftests: lkdtm: OVERWRITE_ALLOCATION.sh # SKIP
 1802 21:23:17.588317  # selftests: lkdtm: WRITE_AFTER_FREE.sh
 1803 21:23:17.756939  # Skipping WRITE_AFTER_FREE: Corrupts memory on failure
 1804 21:23:17.757047  ok 19 selftests: lkdtm: WRITE_AFTER_FREE.sh # SKIP
 1805 21:23:17.772856  # selftests: lkdtm: READ_AFTER_FREE.sh
 1806 21:23:17.964793  [  100.666482] lkdtm: Performing direct entry READ_AFTER_FREE
 1807 21:23:17.964922  [  100.671992] lkdtm: Value in memory before free: 12345678
 1808 21:23:17.964988  [  100.677383] lkdtm: Attempting bad read from freed memory
 1809 21:23:17.965048  [  100.682705] lkdtm: Memory was not poisoned
 1810 21:23:18.051628  # [  100.666482] lkdtm: Performing direct entry READ_AFTER_FREE
 1811 21:23:18.051716  # [  100.671992] lkdtm: Value in memory before free: 12345678
 1812 21:23:18.051781  # [  100.677383] lkdtm: Attempting bad read from freed memory
 1813 21:23:18.051841  # [  100.682705] lkdtm: Memory was not poisoned
 1814 21:23:18.051898  # READ_AFTER_FREE: missing 'call trace:': [FAIL]
 1815 21:23:18.067725  not ok 20 selftests: lkdtm: READ_AFTER_FREE.sh # exit=1
 1816 21:23:18.083482  # selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh
 1817 21:23:18.251320  # Skipping WRITE_BUDDY_AFTER_FREE: Corrupts memory on failure
 1818 21:23:18.251433  ok 21 selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # SKIP
 1819 21:23:18.267128  # selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh
 1820 21:23:18.465872  [  101.168570] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE
 1821 21:23:18.465982  [  101.174639] lkdtm: Value in memory before free: 12345678
 1822 21:23:18.466047  [  101.180086] lkdtm: Attempting to read from freed memory
 1823 21:23:18.466106  [  101.185330] lkdtm: Buddy page was not poisoned
 1824 21:23:18.539850  # [  101.168570] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE
 1825 21:23:18.539939  # [  101.174639] lkdtm: Value in memory before free: 12345678
 1826 21:23:18.540004  # [  101.180086] lkdtm: Attempting to read from freed memory
 1827 21:23:18.540063  # [  101.185330] lkdtm: Buddy page was not poisoned
 1828 21:23:18.540119  # READ_BUDDY_AFTER_FREE: missing 'call trace:': [FAIL]
 1829 21:23:18.571648  not ok 22 selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh # exit=1
 1830 21:23:18.587686  # selftests: lkdtm: SLAB_FREE_DOUBLE.sh
 1831 21:23:18.768335  [  101.479446] lkdtm: Performing direct entry SLAB_FREE_DOUBLE
 1832 21:23:18.768461  [  101.485057] lkdtm: Attempting double slab free ...
 1833 21:23:18.826293  # [  101.479446] lkdtm: Performing direct entry SLAB_FREE_DOUBLE
 1834 21:23:18.826378  # [  101.485057] lkdtm: Attempting double slab free ...
 1835 21:23:18.842243  # SLAB_FREE_DOUBLE: missing 'call trace:': [FAIL]
 1836 21:23:18.858257  not ok 23 selftests: lkdtm: SLAB_FREE_DOUBLE.sh # exit=1
 1837 21:23:18.874179  # selftests: lkdtm: SLAB_FREE_CROSS.sh
 1838 21:23:19.064793  [  101.778267] lkdtm: Performing direct entry SLAB_FREE_CROSS
 1839 21:23:19.064919  [  101.783786] lkdtm: Attempting cross-cache slab free ...
 1840 21:23:19.133761  # [  101.778267] lkdtm: Performing direct entry SLAB_FREE_CROSS
 1841 21:23:19.133847  # [  101.783786] lkdtm: Attempting cross-cache slab free ...
 1842 21:23:19.149688  # SLAB_FREE_CROSS: missing 'call trace:': [FAIL]
 1843 21:23:19.165658  not ok 24 selftests: lkdtm: SLAB_FREE_CROSS.sh # exit=1
 1844 21:23:19.181901  # selftests: lkdtm: SLAB_FREE_PAGE.sh
 1845 21:23:19.370266  [  102.084356] lkdtm: Performing direct entry SLAB_FREE_PAGE
 1846 21:23:19.370386  [  102.089882] lkdtm: Attempting non-Slab slab free ...
 1847 21:23:19.439074  # [  102.084356] lkdtm: Performing direct entry SLAB_FREE_PAGE
 1848 21:23:19.439163  # [  102.089882] lkdtm: Attempting non-Slab slab free ...
 1849 21:23:19.455067  # SLAB_FREE_PAGE: missing 'call trace:': [FAIL]
 1850 21:23:19.471114  not ok 25 selftests: lkdtm: SLAB_FREE_PAGE.sh # exit=1
 1851 21:23:19.487208  # selftests: lkdtm: SOFTLOCKUP.sh
 1852 21:23:19.655828  # Skipping SOFTLOCKUP: Hangs the system
 1853 21:23:19.655944  ok 26 selftests: lkdtm: SOFTLOCKUP.sh # SKIP
 1854 21:23:19.672154  # selftests: lkdtm: HARDLOCKUP.sh
 1855 21:23:19.816165  # Skipping HARDLOCKUP: Hangs the system
 1856 21:23:19.832102  ok 27 selftests: lkdtm: HARDLOCKUP.sh # SKIP
 1857 21:23:19.848086  # selftests: lkdtm: SPINLOCKUP.sh
 1858 21:23:20.019855  # Skipping SPINLOCKUP: Hangs the system
 1859 21:23:20.020399  ok 28 selftests: lkdtm: SPINLOCKUP.sh # SKIP
 1860 21:23:20.035624  # selftests: lkdtm: HUNG_TASK.sh
 1861 21:23:20.211554  # Skipping HUNG_TASK: Hangs the system
 1862 21:23:20.212083  ok 29 selftests: lkdtm: HUNG_TASK.sh # SKIP
 1863 21:23:20.227656  # selftests: lkdtm: EXEC_DATA.sh
 1864 21:23:20.446718  [  103.135669] lkdtm: Performing direct entry EXEC_DATA
 1865 21:23:20.447250  [  103.140658] lkdtm: attempting ok execution at c0c2fd88
 1866 21:23:20.447597  [  103.145876] lkdtm: attempting bad execution at c26f7744
 1867 21:23:20.447921  [  103.151119] 8<--- cut here ---
 1868 21:23:20.448231  [  103.154181] Unable to handle kernel paging request at virtual address c26f7744
 1869 21:23:20.448536  [  103.161408] pgd = 77211e58
 1870 21:23:20.448885  [  103.164122] [c26f7744] *pgd=1261141e(bad)
 1871 21:23:20.449190  [  103.168151] Internal error: Oops: 8000000d [#3] SMP ARM
 1872 21:23:20.489754  [  103.173383] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv imx_ldb gpu_sched dw_hdmi_imx dw_hdmi parallel_display imxdrm imx_ipu_v3
 1873 21:23:20.490297  [  103.202415] CPU: 2 PID: 1779 Comm: cat Tainted: G      D W         5.10.153-cip19 #1
 1874 21:23:20.490653  [  103.210163] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 1875 21:23:20.490982  [  103.216703] PC is at data_area+0x0/0x40
 1876 21:23:20.537094  [  103.220549] LR is at execute_location+0xa4/0xb4
 1877 21:23:20.537620  [  103.225085] pc : [<c26f7744>]    lr : [<c138c4dc>]    psr: 600e0013
 1878 21:23:20.537970  [  103.231357] sp : c69afe38  ip : 00000027  fp : c69afe54
 1879 21:23:20.538296  [  103.236587] r10: 0000000a  r9 : c1ad0ba4  r8 : c15e8634
 1880 21:23:20.538610  [  103.241816] r7 : c69aff60  r6 : 00000001  r5 : c26f7744  r4 : c0c2fd88
 1881 21:23:20.538914  [  103.248347] r3 : 5d448dff  r2 : 5d448dff  r1 : ef7ab5e4  r0 : 0000002b
 1882 21:23:20.539215  [  103.254880] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 1883 21:23:20.581368  [  103.262020] Control: 10c5387d  Table: 1698404a  DAC: 00000051
 1884 21:23:20.581901  [  103.267773] Process cat (pid: 1779, stack limit = 0x79afdef2)
 1885 21:23:20.582256  [  103.273523] Stack: (0xc69afe38 to 0xc69b0000)
 1886 21:23:20.582581  [  103.277889] fe20:                                                       0000001f c6d2d000
 1887 21:23:20.582892  [  103.286075] fe40: 0000000a c69aff60 c69afe64 c69afe58 c138c648 c138c444 c69afe74 c69afe68
 1888 21:23:20.583196  [  103.294259] fe60: c0c2f018 c138c630 c69afe9c c69afe78 c0c2f518 c0c2eff8 c0c2f3f8 c5800280
 1889 21:23:20.625208  [  103.302444] fe80: b6e1e000 0000000a c530cd80 c69aff60 c69afec4 c69afea0 c07f6080 c0c2f404
 1890 21:23:20.625741  [  103.310629] fea0: 00000000 c5800280 b6e1e000 c2816000 c69aff60 c07f601c c69aff5c c69afec8
 1891 21:23:20.626095  [  103.318814] fec0: c0598c00 c07f6028 00000001 00000000 c0599194 c13a1c60 c0599194 c69ae000
 1892 21:23:20.626422  [  103.326999] fee0: b6e1e000 00020000 00000004 0000000a 0001fff6 c69afee0 00000001 b6e1d000
 1893 21:23:20.626735  [  103.335184] ff00: c6acf7c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 1894 21:23:20.627038  [  103.343369] ff20: 00000000 00000000 c13a1c60 5d448dff c205cf20 c5800280 c5800280 c69ae000
 1895 21:23:20.669278  [  103.351554] ff40: b6e1e000 00000000 00000000 00000004 c69aff94 c69aff60 c0599194 c0598b00
 1896 21:23:20.669816  [  103.359739] ff60: 00000000 00000000 c69affac 5d448dff 0000000a 0000000a b6f65e00 00000004
 1897 21:23:20.670173  [  103.367923] ff80: c03002e4 c69ae000 c69affa4 c69aff98 c0599224 c059912c 00000000 c69affa8
 1898 21:23:20.670499  [  103.376108] ffa0: c03000c0 c0599218 0000000a 0000000a 00000001 b6e1e000 0000000a 00000000
 1899 21:23:20.670811  [  103.384292] ffc0: 0000000a 0000000a b6f65e00 00000004 00000001 00000000 00020000 becc6a54
 1900 21:23:20.713342  [  103.392478] ffe0: 00000004 becc6788 b6ed04cf b6e567e6 800e0030 00000001 00000000 00000000
 1901 21:23:20.713873  [  103.400658] Backtrace: 
 1902 21:23:20.714226  [  103.403123] [<c138c438>] (execute_location) from [<c138c648>] (lkdtm_EXEC_DATA+0x24/0x28)
 1903 21:23:20.714551  [  103.411308]  r7:c69aff60 r6:0000000a r5:c6d2d000 r4:0000001f
 1904 21:23:20.714866  [  103.416985] [<c138c624>] (lkdtm_EXEC_DATA) from [<c0c2f018>] (lkdtm_do_action+0x2c/0x4c)
 1905 21:23:20.715174  [  103.425088] [<c0c2efec>] (lkdtm_do_action) from [<c0c2f518>] (direct_entry+0x120/0x18c)
 1906 21:23:20.757242  [  103.433106] [<c0c2f3f8>] (direct_entry) from [<c07f6080>] (full_proxy_write+0x64/0x94)
 1907 21:23:20.757776  [  103.441032]  r9:c69aff60 r8:c530cd80 r7:0000000a r6:b6e1e000 r5:c5800280 r4:c0c2f3f8
 1908 21:23:20.758126  [  103.448788] [<c07f601c>] (full_proxy_write) from [<c0598c00>] (vfs_write+0x10c/0x524)
 1909 21:23:20.758449  [  103.456628]  r9:c07f601c r8:c69aff60 r7:c2816000 r6:b6e1e000 r5:c5800280 r4:00000000
 1910 21:23:20.758760  [  103.464385] [<c0598af4>] (vfs_write) from [<c0599194>] (ksys_write+0x74/0xec)
 1911 21:23:20.759066  [  103.471530]  r10:00000004 r9:00000000 r8:00000000 r7:b6e1e000 r6:c69ae000 r5:c5800280
 1912 21:23:20.759368  [  103.479364]  r4:c5800280
 1913 21:23:20.801155  [  103.481907] [<c0599120>] (ksys_write) from [<c0599224>] (sys_write+0x18/0x1c)
 1914 21:23:20.801679  [  103.489051]  r9:c69ae000 r8:c03002e4 r7:00000004 r6:b6f65e00 r5:0000000a r4:0000000a
 1915 21:23:20.802024  [  103.496806] [<c059920c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 1916 21:23:20.802347  [  103.504380] Exception stack(0xc69affa8 to 0xc69afff0)
 1917 21:23:20.802657  [  103.509440] ffa0:                   0000000a 0000000a 00000001 b6e1e000 0000000a 00000000
 1918 21:23:20.802962  [  103.517626] ffc0: 0000000a 0000000a b6f65e00 00000004 00000001 00000000 00020000 becc6a54
 1919 21:23:20.845068  [  103.525810] ffe0: 00000004 becc6788 b6ed04cf b6e567e6
 1920 21:23:20.845558  [  103.530870] Code: 00000000 c5b9e0c0 c5b9e180 c5b9e240 (e1a0c00d) 
 1921 21:23:20.845883  [  103.536974] ---[ end trace dfcb905fa2d201c4 ]---
 1922 21:23:20.846217  # Segmentation fault
 1923 21:23:20.964876  # [  103.135669] lkdtm: Performing direct entry EXEC_DATA
 1924 21:23:20.965121  # [  103.140658] lkdtm: attempting ok execution at c0c2fd88
 1925 21:23:20.965259  # [  103.145876] lkdtm: attempting bad execution at c26f7744
 1926 21:23:20.965387  # [  103.151119] 8<--- cut here ---
 1927 21:23:20.965509  # [  103.154181] Unable to handle kernel paging request at virtual address c26f7744
 1928 21:23:20.965629  # [  103.161408] pgd = 77211e58
 1929 21:23:20.965745  # [  103.164122] [c26f7744] *pgd=1261141e(bad)
 1930 21:23:20.965860  # [  103.168151] Internal error: Oops: 8000000d [#3] SMP ARM
 1931 21:23:21.013250  # [  103.173383] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv imx_ldb gpu_sched dw_hdmi_imx dw_hdmi parallel_display imxdrm imx_ipu_v3
 1932 21:23:21.013818  # [  103.202415] CPU: 2 PID: 1779 Comm: cat Tainted: G      D W         5.10.153-cip19 #1
 1933 21:23:21.014290  # [  103.210163] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 1934 21:23:21.057211  # [  103.216703] PC is at data_area+0x0/0x40
 1935 21:23:21.057742  # [  103.220549] LR is at execute_location+0xa4/0xb4
 1936 21:23:21.058084  # [  103.225085] pc : [<c26f7744>]    lr : [<c138c4dc>]    psr: 600e0013
 1937 21:23:21.058403  # [  103.231357] sp : c69afe38  ip : 00000027  fp : c69afe54
 1938 21:23:21.058714  # [  103.236587] r10: 0000000a  r9 : c1ad0ba4  r8 : c15e8634
 1939 21:23:21.059013  # [  103.241816] r7 : c69aff60  r6 : 00000001  r5 : c26f7744  r4 : c0c2fd88
 1940 21:23:21.059308  # [  103.248347] r3 : 5d448dff  r2 : 5d448dff  r1 : ef7ab5e4  r0 : 0000002b
 1941 21:23:21.059599  # [  103.254880] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 1942 21:23:21.101139  # [  103.262020] Control: 10c5387d  Table: 1698404a  DAC: 00000051
 1943 21:23:21.101667  # [  103.267773] Process cat (pid: 1779, stack limit = 0x79afdef2)
 1944 21:23:21.102015  # [  103.273523] Stack: (0xc69afe38 to 0xc69b0000)
 1945 21:23:21.102335  # [  103.277889] fe20:                                                       0000001f c6d2d000
 1946 21:23:21.102645  # [  103.286075] fe40: 0000000a c69aff60 c69afe64 c69afe58 c138c648 c138c444 c69afe74 c69afe68
 1947 21:23:21.102944  # [  103.294259] fe60: c0c2f018 c138c630 c69afe9c c69afe78 c0c2f518 c0c2eff8 c0c2f3f8 c5800280
 1948 21:23:21.145144  # [  103.302444] fe80: b6e1e000 0000000a c530cd80 c69aff60 c69afec4 c69afea0 c07f6080 c0c2f404
 1949 21:23:21.145672  # [  103.310629] fea0: 00000000 c5800280 b6e1e000 c2816000 c69aff60 c07f601c c69aff5c c69afec8
 1950 21:23:21.146021  # [  103.318814] fec0: c0598c00 c07f6028 00000001 00000000 c0599194 c13a1c60 c0599194 c69ae000
 1951 21:23:21.146343  # [  103.326999] fee0: b6e1e000 00020000 00000004 0000000a 0001fff6 c69afee0 00000001 b6e1d000
 1952 21:23:21.146653  # [  103.335184] ff00: c6acf7c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 1953 21:23:21.189332  # [  103.343369] ff20: 00000000 00000000 c13a1c60 5d448dff c205cf20 c5800280 c5800280 c69ae000
 1954 21:23:21.189874  # [  103.351554] ff40: b6e1e000 00000000 00000000 00000004 c69aff94 c69aff60 c0599194 c0598b00
 1955 21:23:21.190239  # [  103.359739] ff60: 00000000 00000000 c69affac 5d448dff 0000000a 0000000a b6f65e00 00000004
 1956 21:23:21.190559  # [  103.367923] ff80: c03002e4 c69ae000 c69affa4 c69aff98 c0599224 c059912c 00000000 c69affa8
 1957 21:23:21.190871  # [  103.376108] ffa0: c03000c0 c0599218 0000000a 0000000a 00000001 b6e1e000 0000000a 00000000
 1958 21:23:21.233308  # [  103.384292] ffc0: 0000000a 0000000a b6f65e00 00000004 00000001 00000000 00020000 becc6a54
 1959 21:23:21.233838  # [  103.392478] ffe0: 00000004 becc6788 b6ed04cf b6e567e6 800e0030 00000001 00000000 00000000
 1960 21:23:21.234191  # [  103.400658] Backtrace: 
 1961 21:23:21.234510  # [  103.403123] [<c138c438>] (execute_location) from [<c138c648>] (lkdtm_EXEC_DATA+0x24/0x28)
 1962 21:23:21.234821  # [  103.411308]  r7:c69aff60 r6:0000000a r5:c6d2d000 r4:0000001f
 1963 21:23:21.235118  # [  103.416985] [<c138c624>] (lkdtm_EXEC_DATA) from [<c0c2f018>] (lkdtm_do_action+0x2c/0x4c)
 1964 21:23:21.281331  # [  103.425088] [<c0c2efec>] (lkdtm_do_action) from [<c0c2f518>] (direct_e[  103.955817] lkdtm: Performing direct entry EXEC_STACK
 1965 21:23:21.281866  ntry+0x120/0x18[c ) 
 1966 21:23:21.282217  1
 1967 21:23:21.282542  0#3 .[9 6 306] lkdtm: attempting ok execution at c0c2fd88
 1968 21:23:21.282862  103.433106] [<c0c2f3f8>] (direct_[  103.970624] lkdtm: attempting bad execution at c6ea5e0c
 1969 21:23:21.283179  entry) from [<c07f6080>] (full_pr[  103.978615] 8<--- cut here ---
 1970 21:23:21.283473  oxy_write+0x64/0x94[) 
 1971 21:23:21.283771   
 1972 21:23:21.284053  1#0 3[. 84461] Unable to handle kernel paging request at virtual address c6ea5e0c
 1973 21:23:21.284345   103.441032]  r9:c69aff60 r8:c5[3 103.993861] pgd = d603d9dc
 1974 21:23:21.325182  0cd80 r7:0000000a r6:b6e1e000 r5:[  103.999258] [c6ea5e0c] *pgd=16e1141e(bad)
 1975 21:23:21.325730  c5800280 r4:c0c2f3f8
 1976 21:23:21.326081  # [  103.44[  104.006139] Internal error: Oops: 8000000d [#4] SMP ARM
 1977 21:23:21.369251  8788] [<c07f601c>] (full_proxy_wr[  104.014224] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv imx_ldb gpu_sched dw_hdmi_imx dw_hdmi parallel_display imxdrm imx_ipu_v3
 1978 21:23:21.369807  ite) from [<c0598c00>] (vfs_write[  104.045932] CPU: 2 PID: 1855 Comm: cat Tainted: G      D W         5.10.153-cip19 #1
 1979 21:23:21.370165  +0x10c/0x524)
 1980 21:23:21.370488  # [  103.45[6 6 2104.056528] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 1981 21:23:21.370800  ]  r9:c07f601c r8:c69aff60 r7:c28[  104.065578] PC is at 0xc6ea5e0c
 1982 21:23:21.371099  16000 r6:b6e1e000 r5:c5800280 r4:[  104.071593] LR is at execute_location+0xa4/0xb4
 1983 21:23:21.371402  00000000
 1984 21:23:21.413407  # [  103.464385] [<c0[5 104.078975] pc : [<c6ea5e0c>]    lr : [<c138c4dc>]    psr: 600e0013
 1985 21:23:21.413941  98af4>] (vfs_write) fr[o m  1[0<4.087928] sp : c6ea5de8  ip : c6ea5cf0  fp : c6ea5e04
 1986 21:23:21.414302  0599194>] (ksys_write+0x[7 4 /1004.095496] r10: 0000000b  r9 : c1ad0bb0  r8 : c15e8634
 1987 21:23:21.414630  ec)
 1988 21:23:21.414935  # [  103.471530]  r10:00[0 0104.103151] r7 : c6ea5f60  r6 : 00000001  r5 : c6ea5e0c  r4 : c0c2fd88
 1989 21:23:21.415236  0004 r9:00000000 r8:0000[0  01000.112278] r3 : 4b3fb2a9  r2 : 4b3fb2a9  r1 : ef7ab5e0  r0 : 0000002b
 1990 21:23:21.457221   r7:b6e1e000 r6:c69ae000 r5:c58[0 104.121152] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 1991 21:23:21.457757  0280
 1992 21:23:21.458112  # [  103.479364]  r4:c5[ 8 104.130974] Control: 10c5387d  Table: 16b4004a  DAC: 00000051
 1993 21:23:21.458437  0280
 1994 21:23:21.458746  # [  103.481907] [<c05991[2 104.139324] Process cat (pid: 1855, stack limit = 0x707977e8)
 1995 21:23:21.459044  0>] (ksys_write) from [<c0[5 9 9104.147758] Stack: (0xc6ea5de8 to 0xc6ea6000)
 1996 21:23:21.459345  24>] (sys_write+0x18/0x1c)
 1997 21:23:21.459640  # [  [  104.154642] 5de0:                   c6ea4000 c6cbe000 0000000b c6ea5f60 c6ea5e64 c6ea5e08
 1998 21:23:21.501217  103.489051]  r9:c69ae000 r8:c0300[  104.165682] 5e00: c138c684 c138c444 c6ea5e6c e1a0c00d e92dd800 e24cb004 e52de004 e8bd4000
 1999 21:23:21.501763  2e4 r7:00000004 r6:b6f65e00 r5:00[  104.176723] 5e20: e89da800 e1a0c00d e92dd830 e24cb004 e52de004 e8bd4000 e3023374 e34c31b8
 2000 21:23:21.502126  00000a r4:0000000a
 2001 21:23:21.502453  # [  103.4968[  104.187763] 5e40: e3a02040 e3a01d33 e5930018 4b3fb2a9 0000000b 00000020 c6ea5e74 c6ea5e68
 2002 21:23:21.502766  06] [<c059920c>] (sys_write) from[  104.198802] 5e60: c0c2f018 c138c658 c6ea5e9c c6ea5e78 c0c2f518 c0c2eff8 c0c2f3f8 c5801540
 2003 21:23:21.545117   [<c03000c0>] (ret_fast_syscall+0[  104.209840] 5e80: b6e6a000 0000000b c530cd80 c6ea5f60 c6ea5ec4 c6ea5ea0 c07f6080 c0c2f404
 2004 21:23:21.545648  x0/0x28)
 2005 21:23:21.545992  # [  103.504380] Except[  104.220880] 5ea0: 00000000 c5801540 b6e6a000 c2816000 c6ea5f60 c07f601c c6ea5f5c c6ea5ec8
 2006 21:23:21.546320  ion stack(0xc69affa8 to 0xc69afff[  104.231920] 5ec0: c0598c00 c07f6028 00000001 00000000 c0599194 c13a1c60 c0599194 c6ea4000
 2007 21:23:21.546635  0)
 2008 21:23:21.546941  # [  103.509440] ffa0:       [  104.242958] 5ee0: b6e6a000 00020000 00000004 0000000b 0001fff5 c6ea5ee0 00000001 b6e69000
 2009 21:23:21.589288              0000000a 0000000a 000[  104.253996] 5f00: c42aba40 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 2010 21:23:21.589827  00001 b6e1e000 0000000a 00000000
 2011 21:23:21.590231  [  104.265040] 5f20: 00000000 00000000 c13a1c60 4b3fb2a9 c205cf20 c5801540 c5801540 c6ea4000
 2012 21:23:21.590564  
 2013 21:23:21.590873  # [  103.517626] ffc0: 0000000a [  104.276078] 5f40: b6e6a000 00000000 00000000 00000004 c6ea5f94 c6ea5f60 c0599194 c0598b00
 2014 21:23:21.591181  0000000a b6f65e00 00000004 000000[  104.287118] 5f60: 00000000 00000000 c6ea5fac 4b3fb2a9 0000000b 0000000b b6fb1e00 00000004
 2015 21:23:21.591488  01 00000000 00020000 becc6a54
 2016 21:23:21.633369  # [  104.298157] 5f80: c03002e4 c6ea4000 c6ea5fa4 c6ea5f98 c0599224 c059912c 00000000 c6ea5fa8
 2017 21:23:21.633903  [  103.525810] ffe0: 00000004 bec[  104.309195] 5fa0: c03000c0 c0599218 0000000b 0000000b 00000001 b6e6a000 0000000b 00000000
 2018 21:23:21.634260  c6788 b6ed04cf b6e567e6
 2019 21:23:21.634579  # [  103[  104.320236] 5fc0: 0000000b 0000000b b6fb1e00 00000004 00000001 00000000 00020000 be90da54
 2020 21:23:21.634887  .530870] Code: 00000000 c5b9e0c0 [  104.331272] 5fe0: 00000004 be90d788 b6f1c4cf b6ea27e6 800e0030 00000001 00000000 00000000
 2021 21:23:21.635195  c5b9e180 c5b9e240 (e1a0c00d) 
 2022 21:23:21.677305  # [  104.342300] Backtrace: 
 2023 21:23:21.677882  [  103.536974] ---[ end trace dfc[  104.347634] [<c138c438>] (execute_location) from [<c138c684>] (lkdtm_EXEC_STACK+0x38/0x54)
 2024 21:23:21.678246  b905fa2d201c4 ]---
 2025 21:23:21.678564  # EXEC_DATA: [  104.358751]  r7:c6ea5f60 r6:0000000b r5:c6cbe000 r4:c6ea4000
 2026 21:23:21.678879  missing 'call trace:': [FAIL]
 2027 21:23:21.679180  no[  104.367287] [<c138c64c>] (lkdtm_EXEC_STACK) from [<c0c2f018>] (lkdtm_do_action+0x2c/0x4c)
 2028 21:23:21.679480  t ok 30 selftests: lkdtm: E[X E C04.378302]  r4:00000020
 2029 21:23:21.679771  _DATA.sh # exit=1
 2030 21:23:21.721338  # selftests: l[  104.383371] [<c0c2efec>] (lkdtm_do_action) from [<c0c2f518>] (direct_entry+0x120/0x18c)
 2031 21:23:21.721873  kdtm: EXEC_STACK.sh
 2032 21:23:21.722218  [  104.394238] [<c0c2f3f8>] (direct_entry) from [<c07f6080>] (full_proxy_write+0x64/0x94)
 2033 21:23:21.722541  [  104.403965]  r9:c6ea5f60 r8:c530cd80 r7:0000000b r6:b6e6a000 r5:c5801540 r4:c0c2f3f8
 2034 21:23:21.722849  [  104.411749] [<c07f601c>] (full_proxy_write) from [<c0598c00>] (vfs_write+0x10c/0x524)
 2035 21:23:21.723151  [  104.419610]  r9:c07f601c r8:c6ea5f60 r7:c2816000 r6:b6e6a000 r5:c5801540 r4:00000000
 2036 21:23:21.765189  [  104.427388] [<c0598af4>] (vfs_write) from [<c0599194>] (ksys_write+0x74/0xec)
 2037 21:23:21.765720  [  104.434557]  r10:00000004 r9:00000000 r8:00000000 r7:b6e6a000 r6:c6ea4000 r5:c5801540
 2038 21:23:21.766072  [  104.442410]  r4:c5801540
 2039 21:23:21.766395  [  104.444977] [<c0599120>] (ksys_write) from [<c0599224>] (sys_write+0x18/0x1c)
 2040 21:23:21.766706  [  104.452145]  r9:c6ea4000 r8:c03002e4 r7:00000004 r6:b6fb1e00 r5:0000000b r4:0000000b
 2041 21:23:21.767008  [  104.459923] [<c059920c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 2042 21:23:21.767305  [  104.467515] Exception stack(0xc6ea5fa8 to 0xc6ea5ff0)
 2043 21:23:21.809148  [  104.472597] 5fa0:                   0000000b 0000000b 00000001 b6e6a000 0000000b 00000000
 2044 21:23:21.809674  [  104.480807] 5fc0: 0000000b 0000000b b6fb1e00 00000004 00000001 00000000 00020000 be90da54
 2045 21:23:21.810021  [  104.489010] 5fe0: 00000004 be90d788 b6f1c4cf b6ea27e6
 2046 21:23:21.810345  [  104.494094] Code: c6ea5e08 c138c684 c138c444 c6ea5e6c (e1a0c00d) 
 2047 21:23:21.810653  [  104.500223] ---[ end trace dfcb905fa2d201c5 ]---
 2048 21:23:21.810949  # Segmentation fault
 2049 21:23:21.907477  # [  103.955817] lkdtm: Performing direct entry EXEC_STACK
 2050 21:23:21.907916  # [  103.963306] lkdtm: attempting ok execution at c0c2fd88
 2051 21:23:21.908256  # [  103.970624] lkdtm: attempting bad execution at c6ea5e0c
 2052 21:23:21.908575  # [  103.978615] 8<--- cut here ---
 2053 21:23:21.908928  # [  103.984461] Unable to handle kernel paging request at virtual address c6ea5e0c
 2054 21:23:21.909237  # [  103.993861] pgd = d603d9dc
 2055 21:23:21.909529  # [  103.999258] [c6ea5e0c] *pgd=16e1141e(bad)
 2056 21:23:21.909819  # [  104.006139] Internal error: Oops: 8000000d [#4] SMP ARM
 2057 21:23:21.950633  # [  104.014224] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv imx_ldb gpu_sched dw_hdmi_imx dw_hdmi parallel_display imxdrm imx_ipu_v3
 2058 21:23:21.951080  # [  104.045932] CPU: 2 PID: 1855 Comm: cat Tainted: G      D W         5.10.153-cip19 #1
 2059 21:23:21.951427  # [  104.056528] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 2060 21:23:21.951751  # [  104.065578] PC is at 0xc6ea5e0c
 2061 21:23:21.993818  # [  104.071593] LR is at execute_location+0xa4/0xb4
 2062 21:23:21.994493  # [  104.078975] pc : [<c6ea5e0c>]    lr : [<c138c4dc>]    psr: 600e0013
 2063 21:23:21.995026  # [  104.087928] sp : c6ea5de8  ip : c6ea5cf0  fp : c6ea5e04
 2064 21:23:21.995539  # [  104.095496] r10: 0000000b  r9 : c1ad0bb0  r8 : c15e8634
 2065 21:23:21.996038  # [  104.103151] r7 : c6ea5f60  r6 : 00000001  r5 : c6ea5e0c  r4 : c0c2fd88
 2066 21:23:21.996529  # [  104.112278] r3 : 4b3fb2a9  r2 : 4b3fb2a9  r1 : ef7ab5e0  r0 : 0000002b
 2067 21:23:21.997057  # [  104.121152] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 2068 21:23:22.041122  # [  104.130974] Control: 10c5387d  Table: 16b4004a  DAC: 00000051
 2069 21:23:22.041637  # [  104.139324] Process cat (pid: 1855, stack limit = 0x707977e8)
 2070 21:23:22.041974  # [  104.147758] Stack: (0xc6ea5de8 to 0xc6ea6000)
 2071 21:23:22.042287  # [  104.154642] 5de0:                   c6ea4000 c6cbe000 0000000b c6ea5f60 c6ea5e64 c6ea5e08
 2072 21:23:22.042585  # [  104.165682] 5e00: c138c684 c138c444 c6ea5e6c e1a0c00d e92dd800 e24cb004 e52de004 e8bd4000
 2073 21:23:22.042877  # [  104.176723] 5e20: e89da800 e1a0c00d e92dd830 e24cb004 e52de004 e8bd4000 e3023374 e34c31b8
 2074 21:23:22.085191  # [  104.187763] 5e40: e3a02040 e3a01d33 e5930018 4b3fb2a9 0000000b 00000020 c6ea5e74 c6ea5e68
 2075 21:23:22.085713  # [  104.198802] 5e60: c0c2f018 c138c658 c6ea5e9c c6ea5e78 c0c2f518 c0c2eff8 c0c2f3f8 c5801540
 2076 21:23:22.086051  # [  104.209840] 5e80: b6e6a000 0000000b c530cd80 c6ea5f60 c6ea5ec4 c6ea5ea0 c07f6080 c0c2f404
 2077 21:23:22.086362  # [  104.220880] 5ea0: 00000000 c5801540 b6e6a000 c2816000 c6ea5f60 c07f601c c6ea5f5c c6ea5ec8
 2078 21:23:22.086659  # [  104.231920] 5ec0: c0598c00 c07f6028 00000001 00000000 c0599194 c13a1c60 c0599194 c6ea4000
 2079 21:23:22.129117  # [  104.242958] 5ee0: b6e6a000 00020000 00000004 0000000b 0001fff5 c6ea5ee0 00000001 b6e69000
 2080 21:23:22.129642  # [  104.253996] 5f00: c42aba40 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 2081 21:23:22.129978  # [  104.265040] 5f20: 00000000 00000000 c13a1c60 4b3fb2a9 c205cf20 c5801540 c5801540 c6ea4000
 2082 21:23:22.130288  # [  104.276078] 5f40: b6e6a000 00000000 00000000 00000004 c6ea5f94 c6ea5f60 c0599194 c0598b00
 2083 21:23:22.130584  # [  104.287118] 5f60: 00000000 00000000 c6ea5fac 4b3fb2a9 0000000b 0000000b b6fb1e00 00000004
 2084 21:23:22.177082  # [  104.298157] 5f80: c03002e4 c6ea4000 c6ea5fa4 c6ea5f98 c0599224 c059912c 00000000 c6ea5fa8
 2085 21:23:22.177232  # [  104.309195] 5fa0: c03000c0 c0599218 0000000b 0000000b 00000001 b6e6a000 0000000b 00000000
 2086 21:23:22.177341  # [  104.320236] 5fc0: 0000000b 0000000b b6fb1e00 00000004 00000001 00000000 00020000 be90da54
 2087 21:23:22.177422  # [  104.331272] 5fe0: 00000004 be90d788 b6f1c4cf b6ea27e6 800e0030 00000001 00000000 00000000
 2088 21:23:22.177482  # [  104.342300] Backtrace: 
 2089 21:23:22.177539  # [  104.347634] [<c138c438>] (execute_location) from [<c138c684>] (lkdtm_EXEC_STACK+0x38/0x54)
 2090 21:23:22.177597  # [  104.358751]  r7:c6ea5f60 r6:0000000b r5:c6cbe000 r4:c6ea4000
 2091 21:23:22.220994  # [  104.367287] [<c138c64c>] (lkdtm_EXEC_STACK) from [<c0c2f018>] (lkdtm_do_action+0x2c/0x4c)
 2092 21:23:22.221144  # [  104.378302]  r4:00000020
 2093 21:23:22.221217  # [  104.383371] [<c0c2efec>] (lkdtm_do_action) from [<c0c2f518>] (direct_entry+0x120/0x18c)
 2094 21:23:22.221285  # [  104.394238] [<c0c2f3f8>] (direct_entry) from [<c07f6080>] (full_proxy_write+0x64/0x94)
 2095 21:23:22.221351  # [  104.403965]  r9:c6ea5f60 r8:c530cd80 r7:0000000b r6:b6e6a000 r5:c5801540 r4:c0c2f3f8
 2096 21:23:22.221416  # [  104.411749] [<c07f601c>] (full_proxy_write) from [<c0598c00>] (vfs_write+0x10c/0x524)
 2097 21:23:22.265081  # [  104.419610]  r9:c07f601c r8:c6ea5f60 r7:c2816000 r6:b6e6a000 r5:c5801540 r4:00000000
 2098 21:23:22.265397  # [  104.427388[  104.950080] lkdtm: Performing direct entry EXEC_KMALLOC
 2099 21:23:22.265586  ] [<c0598af4>] (vfs_write) from [[  104.957043] lkdtm: attempting ok execution at c0c2fd88
 2100 21:23:22.265757  <c0599194>] (ksys_write+0x74/[0 x104.964969] lkdtm: attempting bad execution at c417b740
 2101 21:23:22.265922  ec)
 2102 21:23:22.266118  # [  104.434557]  r10:000000[  104.972917] 8<--- cut here ---
 2103 21:23:22.309340  04 r9:00000000 r[8 : 0100040.09078718] Unable to handle kernel paging request at virtual address c417b740
 2104 21:23:22.309872  0 r7:b6e6[a 0 0100 4r.69:8c860e2a] pgd = ccdc8f57
 2105 21:23:22.310217  4000 r5:c5801540
 2106 21:23:22.310529  # [  104.44[2 4104.992465] [c417b740] *pgd=1401141e(bad)
 2107 21:23:22.310828  10]  r4:c5801540
 2108 21:23:22.311128  [
 2109 21:23:22.311414   #  10[4 . 9199081] Internal error: Oops: 8000000d [#5] SMP ARM
 2110 21:23:22.353395  4.444977] [<c0599120>] (ksys_writ[  105.006383] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv imx_ldb gpu_sched dw_hdmi_imx dw_hdmi parallel_display imxdrm imx_ipu_v3
 2111 21:23:22.353993  e) from [<c0599224>][  ( s1y0s5_.038090] CPU: 1 PID: 1934 Comm: cat Tainted: G      D W         5.10.153-cip19 #1
 2112 21:23:22.354375  rite+0x18[/ 0 x110c5).
 2113 21:23:22.354717  0
 2114 21:23:22.355051  4#8 0[8 ] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 2115 21:23:22.355383   104.452145]  r9[: c 61e0a54.00056349] PC is at 0xc417b740
 2116 21:23:22.355702   r8:c03002e4 r7:00000004 [r 6 :1b5.061577] LR is at execute_location+0xa4/0xb4
 2117 21:23:22.397364  6fb1e00 r[5 : 0100050.000608b5 26] pc : [<c417b740>]    lr : [<c138c4dc>]    psr: 600e0013
 2118 21:23:22.397951  4:0000000[b 
 2119 21:23:22.398335   
 2120 21:23:22.398675  1#0 5[. 0 7160542.] sp : c69afe30  ip : c69afd38  fp : c69afe4c
 2121 21:23:22.399014  459923] [[ < 1c0055.90982304c8>6] r10: 0000000d  r9 : c1ad0bbc  r8 : c15e8634
 2122 21:23:22.399348   (sys_wr[i t e1)0 5f.r0o9m0 3[5<9] r7 : c69aff60  r6 : 00000001  r5 : c417b740  r4 : c0c2fd88
 2123 21:23:22.399667  03000c0>[]   (1r0e5t._0f9a8s6t2_0] r3 : 1d81c3e3  r2 : 1d81c3e3  r1 : ef7965e0  r0 : 0000002b
 2124 21:23:22.399987  yscall+0x0/0[ x 2180)5
 2125 21:23:22.400293  .
 2126 21:23:22.400612  1#0 6[8 4] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 2127 21:23:22.441209  
 2128 21:23:22.441772   104.467515[]   E1x0c5e.p1t1i5o8n1] Control: 10c5387d  Table: 16ea004a  DAC: 00000051
 2129 21:23:22.442150   stack(0xc6ea5[f a 81 0t5o. 102x3407] Process cat (pid: 1934, stack limit = 0x79afdef2)
 2130 21:23:22.442502  6ea5ff0)
 2131 21:23:22.442839  [#   [1 0 51.0143.141746] Stack: (0xc69afe30 to 0xc69b0000)
 2132 21:23:22.443161  597] 5fa0:      [    1 0 5 . 1 3 329] fe20:                                     c417b740 c4685000 0000000d c69aff60
 2133 21:23:22.443489       0000000b 0[0 0 0100050.b1 40500] fe40: c69afe64 c69afe50 c0c2fdd8 c138c444 00000021 c4685000 c69afe74 c69afe68
 2134 21:23:22.489170  0000001 b6e6a[0 0 01 0050.010507071] fe60: c0c2f018 c0c2fdac c69afe9c c69afe78 c0c2f518 c0c2eff8 c0c2f3f8 c6a83900
 2135 21:23:22.489750  0b 00000000
 2136 21:23:22.490136  #[  [  1 0150.41.647755] fe80: b6ddf000 0000000d c530cd80 c69aff60 c69afec4 c69afea0 c07f6080 c0c2f404
 2137 21:23:22.490487  0807] 5fc0: 0000[0 0 01b0 50.01077927] fea0: 00000000 c6a83900 b6ddf000 c2816000 c69aff60 c07f601c c69aff5c c69afec8
 2138 21:23:22.490834  000b b6fb1e00 0[0 0 0100050.41 80186] fec0: c0598c00 c07f6028 00000001 00000000 c0599194 c5cd7a24 c0599194 c69ae000
 2139 21:23:22.532913  0000001 00000000[  0 0100250.01098359] fee0: b6ddf000 00020000 00000004 0000000d 0001fff3 c69afee0 00000001 00000805
 2140 21:23:22.533112   be90da54
 2141 21:23:22.533204  #[  [  1 0150.42.0488615] ff00: c5801040 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 2142 21:23:22.533293  010] 5fe0: 000000[0 4  1b0e59.02d8700] ff20: 00000000 00000000 c69ae000 1d81c3e3 b6dde000 c6a83900 c6a83900 c69ae000
 2143 21:23:22.533381  788 b6f1c4cf b[6 e a12075e.62
 2144 21:23:22.533466  2
 2145 21:23:22.533547  8957] ff40: b6ddf000 00000000 00000000 00000004 c69aff94 c69aff60 c0599194 c0598b00
 2146 21:23:22.577175   [  104.494094[]   C1o0d5e.:2 3c9130] ff60: 00000000 00000000 c69affac 1d81c3e3 0000000d 0000000d b6f26e00 00000004
 2147 21:23:22.577714  ea5e08 c138c6[8 4  1c0153.82c449401] ff80: c03002e4 c69ae000 c69affa4 c69aff98 c0599224 c059912c 00000000 c69affa8
 2148 21:23:22.578067  4 c6ea5e6c (e1a0[c 0 01d0)5 .
 2149 21:23:22.578393  2
 2150 21:23:22.578701  59387] ffa0: c03000c0 c0599218 0000000d 0000000d 00000001 b6ddf000 0000000d 00000000
 2151 21:23:22.579014   [  104.500223] [- - -1[0 5e.n2d69646] ffc0: 0000000d 0000000d b6f26e00 00000004 00000001 00000000 00020000 be931a54
 2152 21:23:22.621330  trace dfcb905f[a 2 d120051.c257 9903] ffe0: 00000004 be931788 b6e914cf b6e177e6 800e0030 00000001 00000000 00000000
 2153 21:23:22.621869  ---
 2154 21:23:22.622225  # EXEC_[S T A1C0K5:. 2m9i0s069] Backtrace: 
 2155 21:23:22.622544  ing 'call trace:': [FAIL][
 2156 21:23:22.622850   
 2157 21:23:22.623146   n1o5.294437] [<c138c438>] (execute_location) from [<c0c2fdd8>] (lkdtm_EXEC_KMALLOC+0x38/0x44)
 2158 21:23:22.623440  t ok 31 selftests[:   l1k0d5t.m3:5297]  r7:c69aff60 r6:0000000d r5:c4685000 r4:c417b740
 2159 21:23:22.623735   EXEC_STACK.sh # exit=1[
 2160 21:23:22.624020   
 2161 21:23:22.624303   #1 0s.313043] [<c0c2fda0>] (lkdtm_EXEC_KMALLOC) from [<c0c2f018>] (lkdtm_do_action+0x2c/0x4c)
 2162 21:23:22.624588  elftests: [l k d1t0m5:. 3E2X3E7C25]  r5:c4685000 r4:00000021
 2163 21:23:22.624910  KMALLOC.sh
 2164 21:23:22.665262  [  105.329130] [<c0c2efec>] (lkdtm_do_action) from [<c0c2f518>] (direct_entry+0x120/0x18c)
 2165 21:23:22.665792  [  105.338177] [<c0c2f3f8>] (direct_entry) from [<c07f6080>] (full_proxy_write+0x64/0x94)
 2166 21:23:22.666145  [  105.346102]  r9:c69aff60 r8:c530cd80 r7:0000000d r6:b6ddf000 r5:c6a83900 r4:c0c2f3f8
 2167 21:23:22.666471  [  105.353860] [<c07f601c>] (full_proxy_write) from [<c0598c00>] (vfs_write+0x10c/0x524)
 2168 21:23:22.666786  [  105.361698]  r9:c07f601c r8:c69aff60 r7:c2816000 r6:b6ddf000 r5:c6a83900 r4:00000000
 2169 21:23:22.709263  [  105.369449] [<c0598af4>] (vfs_write) from [<c0599194>] (ksys_write+0x74/0xec)
 2170 21:23:22.709862  [  105.376592]  r10:00000004 r9:00000000 r8:00000000 r7:b6ddf000 r6:c69ae000 r5:c6a83900
 2171 21:23:22.710255  [  105.384425]  r4:c6a83900
 2172 21:23:22.710604  [  105.386968] [<c0599120>] (ksys_write) from [<c0599224>] (sys_write+0x18/0x1c)
 2173 21:23:22.710945  [  105.394110]  r9:c69ae000 r8:c03002e4 r7:00000004 r6:b6f26e00 r5:0000000d r4:0000000d
 2174 21:23:22.711271  [  105.401864] [<c059920c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 2175 21:23:22.711593  [  105.409437] Exception stack(0xc69affa8 to 0xc69afff0)
 2176 21:23:22.753069  [  105.414496] ffa0:                   0000000d 0000000d 00000001 b6ddf000 0000000d 00000000
 2177 21:23:22.753505  [  105.422681] ffc0: 0000000d 0000000d b6f26e00 00000004 00000001 00000000 00020000 be931a54
 2178 21:23:22.753848  [  105.430864] ffe0: 00000004 be931788 b6e914cf b6e177e6
 2179 21:23:22.754165  [  105.435925] Code: 00160017 00000002 00000000 00000000 (e1a0c00d) 
 2180 21:23:22.754473  [  105.442029] ---[ end trace dfcb905fa2d201c6 ]---
 2181 21:23:22.754770  # Segmentation fault
 2182 21:23:22.848739  # [  104.950080] lkdtm: Performing direct entry EXEC_KMALLOC
 2183 21:23:22.849238  # [  104.957043] lkdtm: attempting ok execution at c0c2fd88
 2184 21:23:22.849587  # [  104.964969] lkdtm: attempting bad execution at c417b740
 2185 21:23:22.849905  # [  104.972917] 8<--- cut here ---
 2186 21:23:22.850212  # [  104.978718] Unable to handle kernel paging request at virtual address c417b740
 2187 21:23:22.850514  # [  104.988021] pgd = ccdc8f57
 2188 21:23:22.850807  # [  104.992465] [c417b740] *pgd=1401141e(bad)
 2189 21:23:22.851096  # [  104.999081] Internal error: Oops: 8000000d [#5] SMP ARM
 2190 21:23:22.891706  # [  105.006383] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv imx_ldb gpu_sched dw_hdmi_imx dw_hdmi parallel_display imxdrm imx_ipu_v3
 2191 21:23:22.892159  # [  105.038090] CPU: 1 PID: 1934 Comm: cat Tainted: G      D W         5.10.153-cip19 #1
 2192 21:23:22.892511  # [  105.048082] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 2193 21:23:22.892887  # [  105.056349] PC is at 0xc417b740
 2194 21:23:22.893206  # [  105.061577] LR is at execute_location+0xa4/0xb4
 2195 21:23:22.935071  
 2196 21:23:22.935605  # [  105.068526] pc : [<c417b740>]    lr : [<c138c4dc>]    psr: 600e0013
 2197 21:23:22.935955  # [  105.076527] sp : c69afe30  ip : c69afd38  fp : c69afe4c
 2198 21:23:22.936278  # [  105.083486] r10: 0000000d  r9 : c1ad0bbc  r8 : c15e8634
 2199 21:23:22.936586  # [  105.090359] r7 : c69aff60  r6 : 00000001  r5 : c417b740  r4 : c0c2fd88
 2200 21:23:22.936941  # [  105.098620] r3 : 1d81c3e3  r2 : 1d81c3e3  r1 : ef7965e0  r0 : 0000002b
 2201 21:23:22.937243  # [  105.106884] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 2202 21:23:22.978183  # [  105.115841] Control: 10c5387d  Table: 16ea004a  DAC: 00000051
 2203 21:23:22.978725  # [  105.123407] Process cat (pid: 1934, stack limit = 0x79afdef2)
 2204 21:23:22.979073  # [  105.131146] Stack: (0xc69afe30 to 0xc69b0000)
 2205 21:23:22.979395  # [  105.137329] fe20:                                     c417b740 c4685000 0000000d c69aff60
 2206 21:23:22.979704  # [  105.147500] fe40: c69afe64 c69afe50 c0c2fdd8 c138c444 00000021 c4685000 c69afe74 c69afe68
 2207 21:23:22.980002  # [  105.157671] fe60: c0c2f018 c0c2fdac c69afe9c c69afe78 c0c2f518 c0c2eff8 c0c2f3f8 c6a83900
 2208 21:23:23.025178  # [  105.167755] fe80: b6ddf000 0000000d c530cd80 c69aff60 c69afec4 c69afea0 c07f6080 c0c2f404
 2209 21:23:23.025719  # [  105.177927] fea0: 00000000 c6a83900 b6ddf000 c2816000 c69aff60 c07f601c c69aff5c c69afec8
 2210 21:23:23.026073  # [  105.188186] fec0: c0598c00 c07f6028 00000001 00000000 c0599194 c5cd7a24 c0599194 c69ae000
 2211 21:23:23.026396  # [  105.198359] fee0: b6ddf000 00020000 00000004 0000000d 0001fff3 c69afee0 00000001 00000805
 2212 21:23:23.026708  # [  105.208615] ff00: c5801040 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 2213 21:23:23.027008  # [  105.218700] ff20: 00000000 00000000 c69ae000 1d81c3e3 b6dde000 c6a83900 c6a83900 c69ae000
 2214 21:23:23.069166  
 2215 21:23:23.069694  # [  105.228957] ff40: b6ddf000 00000000 00000000 00000004 c69aff94 c69aff60 c0599194 c0598b00
 2216 21:23:23.070046  # [  105.239130] ff60: 00000000 00000000 c69affac 1d81c3e3 0000000d 0000000d b6f26e00 00000004
 2217 21:23:23.070370  # [  105.249301] ff80: c03002e4 c69ae000 c69affa4 c69aff98 c0599224 c059912c 00000000 c69affa8
 2218 21:23:23.070683  # [  105.259387] ffa0: c03000c0 c0599218 0000000d 0000000d 00000001 b6ddf000 0000000d 00000000
 2219 21:23:23.070987  # [  105.269646] ffc0: 0000000d 0000000d b6f26e00 00000004 00000001 00000000 00020000 be931a54
 2220 21:23:23.113147  # [  105.279903] ffe0: 00000004 be931788 b6e914cf b6e177e6 800e0030 00000001 00000000 00000000
 2221 21:23:23.113675  # [  105.290069] Backtrace: 
 2222 21:23:23.114018  # [  105.294437] [<c138c438>] (execute_location) from [<c0c2fdd8>] (lkdtm_EXEC_KMALLOC+0x38/0x44)
 2223 21:23:23.114343  # [  105.305297]  r7:c69aff60 r6:0000000d r5:c4685000 r4:c417b740
 2224 21:23:23.114653  # [  105.313043] [<c0c2fda0>] (lkdtm_EXEC_KMALLOC) from [<c0c2f018>] (lkdtm_do_action+0x2c/0x4c)
 2225 21:23:23.114955  # [  105.323725]  r5:c4685000 r4:00000021
 2226 21:23:23.157171  # [  105.329130] [<c0c2efec>] (lkdtm_do_action) from [<c0c2f518>] (direct_entry+0x120/0x18c)
 2227 21:23:23.157698  # [  105.338177] [<c0c2f3f8>] (direct_entry) from [<c07f6080>] (full_proxy_write+0x64/0x94)
 2228 21:23:23.158047  # [  105.346102]  r9:c69aff6[  105.851381] lkdtm: Performing direct entry EXEC_VMALLOC
 2229 21:23:23.158370  0 r8:c530cd80 r7:0000000d r6:b6dd[  105.858765] lkdtm: attempting ok execution at c0c2fd88
 2230 21:23:23.158689  f000 r5:c6a83900 r4:c0c2f3f8
 2231 21:23:23.158994  # [[  105.866723] lkdtm: attempting bad execution at f096c000
 2232 21:23:23.159289    105.353860] [<c07f601c>] (full_[  105.874813] 8<--- cut here ---
 2233 21:23:23.201309  proxy_write) from [<c0598c00>] (v[  105.880798] Unable to handle kernel paging request at virtual address f096c000
 2234 21:23:23.201845  fs_write+0x10c/0x524)
 2235 21:23:23.202195  # [  105.3[  105.892007] pgd = 49f0384d
 2236 21:23:23.202513  61698]  r9:c07f601c r8:c69aff60 r[  105.896551] [f096c000] *pgd=1294b811, *pte=49a5765f, *ppte=49a5745f
 2237 21:23:23.202835  7:c2816000 r6:b6ddf000 r5:c6a8390[  105.905692] Internal error: Oops: 8000000f [#6] SMP ARM
 2238 21:23:23.245189  [  105.913742] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv imx_ldb gpu_sched dw_hdmi_imx dw_hdmi parallel_display imxdrm imx_ipu_v3
 2239 21:23:23.245369  [  105.942817] CPU: 0 PID: 2011 Comm: cat Tainted: G      D W         5.10.153-cip19 #1
 2240 21:23:23.245468  [  105.950567] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 2241 21:23:23.245550  [  105.957107] PC is at 0xf096c000
 2242 21:23:23.245623  [  105.960265] LR is at execute_location+0xa4/0xb4
 2243 21:23:23.245695  [  105.964804] pc : [<f096c000>]    lr : [<c138c4dc>]    psr: 600e0013
 2244 21:23:23.289183  [  105.971079] sp : c68cfe30  ip : 00000027  fp : c68cfe4c
 2245 21:23:23.289761  [  105.976312] r10: 0000000d  r9 : c1ad0bcc  r8 : c15e8634
 2246 21:23:23.290149  [  105.981546] r7 : c68cff60  r6 : 00000001  r5 : f096c000  r4 : c0c2fd88
 2247 21:23:23.290503  [  105.988080] r3 : 2cad9fe5  r2 : 2cad9fe5  r1 : ef7815e4  r0 : 0000002b
 2248 21:23:23.290844  [  105.994616] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 2249 21:23:23.291180  [  106.001760] Control: 10c5387d  Table: 168e404a  DAC: 00000051
 2250 21:23:23.291508  [  106.007514] Process cat (pid: 2011, stack limit = 0xe6211ffb)
 2251 21:23:23.333408  [  106.013268] Stack: (0xc68cfe30 to 0xc68d0000)
 2252 21:23:23.333996  [  106.017637] fe20:                                     f096c000 c6f27000 0000000d c68cff60
 2253 21:23:23.334389  [  106.025826] fe40: c68cfe64 c68cfe50 c0c2fe0c c138c444 00000022 c6f27000 c68cfe74 c68cfe68
 2254 21:23:23.334746  [  106.034017] fe60: c0c2f018 c0c2fdf0 c68cfe9c c68cfe78 c0c2f518 c0c2eff8 c0c2f3f8 c5f5ba40
 2255 21:23:23.335086  [  106.042206] fe80: b6dfd000 0000000d c530cd80 c68cff60 c68cfec4 c68cfea0 c07f6080 c0c2f404
 2256 21:23:23.377278  [  106.050395] fea0: 00000000 c5f5ba40 b6dfd000 c2816000 c68cff60 c07f601c c68cff5c c68cfec8
 2257 21:23:23.377852  [  106.058583] fec0: c0598c00 c07f6028 00000001 00000000 c0599194 c2d6b764 c0599194 c68ce000
 2258 21:23:23.378236  [  106.066772] fee0: b6dfd000 00020000 00000004 0000000d 0001fff3 c68cfee0 00000001 00000805
 2259 21:23:23.378590  [  106.074960] ff00: c6acf540 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 2260 21:23:23.378928  [  106.083149] ff20: 00000000 00000000 c68ce000 2cad9fe5 b6dfc000 c5f5ba40 c5f5ba40 c68ce000
 2261 21:23:23.379256  [  106.091337] ff40: b6dfd000 00000000 00000000 00000004 c68cff94 c68cff60 c0599194 c0598b00
 2262 21:23:23.421329  [  106.099526] ff60: 00000000 00000000 c68cffac 2cad9fe5 0000000d 0000000d b6f44e00 00000004
 2263 21:23:23.421928  [  106.107714] ff80: c03002e4 c68ce000 c68cffa4 c68cff98 c0599224 c059912c 00000000 c68cffa8
 2264 21:23:23.422313  [  106.115903] ffa0: c03000c0 c0599218 0000000d 0000000d 00000001 b6dfd000 0000000d 00000000
 2265 21:23:23.422662  [  106.124093] ffc0: 0000000d 0000000d b6f44e00 00000004 00000001 00000000 00020000 beaa0a54
 2266 21:23:23.423004  [  106.132281] ffe0: 00000004 beaa0788 b6eaf4cf b6e357e6 800e0030 00000001 00000000 00000000
 2267 21:23:23.423332  [  106.140463] Backtrace: 
 2268 21:23:23.465313  [  106.142935] [<c138c438>] (execute_location) from [<c0c2fe0c>] (lkdtm_EXEC_VMALLOC+0x28/0x34)
 2269 21:23:23.465894  [  106.151386]  r7:c68cff60 r6:0000000d r5:c6f27000 r4:f096c000
 2270 21:23:23.466282  [  106.157066] [<c0c2fde4>] (lkdtm_EXEC_VMALLOC) from [<c0c2f018>] (lkdtm_do_action+0x2c/0x4c)
 2271 21:23:23.466637  [  106.165426]  r5:c6f27000 r4:00000022
 2272 21:23:23.466976  [  106.169019] [<c0c2efec>] (lkdtm_do_action) from [<c0c2f518>] (direct_entry+0x120/0x18c)
 2273 21:23:23.467309  [  106.177043] [<c0c2f3f8>] (direct_entry) from [<c07f6080>] (full_proxy_write+0x64/0x94)
 2274 21:23:23.509415  [  106.184972]  r9:c68cff60 r8:c530cd80 r7:0000000d r6:b6dfd000 r5:c5f5ba40 r4:c0c2f3f8
 2275 21:23:23.509993  [  106.192734] [<c07f601c>] (full_proxy_write) from [<c0598c00>] (vfs_write+0x10c/0x524)
 2276 21:23:23.510382  [  106.200578]  r9:c07f601c r8:c68cff60 r7:c2816000 r6:b6dfd000 r5:c5f5ba40 r4:00000000
 2277 21:23:23.510737  [  106.208334] [<c0598af4>] (vfs_write) from [<c0599194>] (ksys_write+0x74/0xec)
 2278 21:23:23.511080  [  106.215482]  r10:00000004 r9:00000000 r8:00000000 r7:b6dfd000 r6:c68ce000 r5:c5f5ba40
 2279 21:23:23.511413  [  106.223318]  r4:c5f5ba40
 2280 21:23:23.553322  [  106.225865] [<c0599120>] (ksys_write) from [<c0599224>] (sys_write+0x18/0x1c)
 2281 21:23:23.553901  [  106.233012]  r9:c68ce000 r8:c03002e4 r7:00000004 r6:b6f44e00 r5:0000000d r4:0000000d
 2282 21:23:23.554288  [  106.240773] [<c059920c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 2283 21:23:23.554644  [  106.248349] Exception stack(0xc68cffa8 to 0xc68cfff0)
 2284 21:23:23.554984  [  106.253411] ffa0:                   0000000d 0000000d 00000001 b6dfd000 0000000d 00000000
 2285 21:23:23.555313  [  106.261602] ffc0: 0000000d 0000000d b6f44e00 00000004 00000001 00000000 00020000 beaa0a54
 2286 21:23:23.600794  [  106.269788] ffe0: 00000004 beaa0788 b6eaf4cf b6e357e6
 2287 21:23:23.600902  [  106.274857] Code: bad PC value
 2288 21:23:23.600987  0 r4:00000000
 2289 21:23:23.601068  # [  105.369449] [[  106.278005] ---[ end trace dfcb905fa2d201c7 ]---
 2290 21:23:23.601162  <c0598af4>] (vfs_write) from [<c0599194>] (ksys_write+0x74/0xec)
 2291 21:23:23.601244  # [  105.376592]  r10:00000004 r9:00000000 r8:00000000 r7:b6ddf000 r6:c69ae000 r5:c6a83900
 2292 21:23:23.601324  # [  105.384425]  r4:c6a83900
 2293 21:23:23.601401  # [  105.386968] [<c0599120>] (ksys_write) from [<c0599224>] (sys_write+0x18/0x1c)
 2294 21:23:23.601480  # [  105.394110]  r9:c69ae000 r8:c03002e4 r7:00000004 r6:b6f26e00 r5:0000000d r4:0000000d
 2295 21:23:23.648789  # [  105.401864] [<c059920c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 2296 21:23:23.648873  # [  105.409437] Exception stack(0xc69affa8 to 0xc69afff0)
 2297 21:23:23.648940  # [  105.414496] ffa0:                   0000000d 0000000d 00000001 b6ddf000 0000000d 00000000
 2298 21:23:23.649002  # [  105.422681] ffc0: 0000000d 0000000d b6f26e00 00000004 00000001 00000000 00020000 be931a54
 2299 21:23:23.649062  # [  105.430864] ffe0: 00000004 be931788 b6e914cf b6e177e6
 2300 21:23:23.649118  # [  105.435925] Code: 00160017 00000002 00000000 00000000 (e1a0c00d) 
 2301 21:23:23.696798  # [  105.442029] ---[ end trace dfcb905fa2d201c6 ]---
 2302 21:23:23.696964  # EXEC_KMALLOC: missing 'call trace:': [FAIL]
 2303 21:23:23.697034  not ok 32 selftests: lkdtm: EXEC_KMALLOC.sh # exit=1
 2304 21:23:23.697102  # selftests: lkdtm: EXEC_VMALLOC.sh
 2305 21:23:23.697166  # Segmentation fault
 2306 21:23:23.715729  # [  105.851381] lkdtm: Performing direct entry EXEC_VMALLOC
 2307 21:23:23.715820  # [  105.858765] lkdtm: attempting ok execution at c0c2fd88
 2308 21:23:23.715890  # [  105.866723] lkdtm: attempting bad execution at f096c000
 2309 21:23:23.715956  # [  105.874813] 8<--- cut here ---
 2310 21:23:23.716018  # [  105.880798] Unable to handle kernel paging request at virtual address f096c000
 2311 21:23:23.716081  # [  105.892007] pgd = 49f0384d
 2312 21:23:23.716153  # [  105.896551] [f096c000] *pgd=1294b811, *pte=49a5765f, *ppte=49a5745f
 2313 21:23:23.716218  # [  105.905692] Internal error: Oops: 8000000f [#6] SMP ARM
 2314 21:23:23.759219  # [  105.913742] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv imx_ldb gpu_sched dw_hdmi_imx dw_hdmi parallel_display imxdrm imx_ipu_v3
 2315 21:23:23.759669  # [  105.942817] CPU: 0 PID: 2011 Comm: cat Tainted: G      D W         5.10.153-cip19 #1
 2316 21:23:23.760015  # [  105.950567] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 2317 21:23:23.802288  # [  105.957107] PC is at 0xf096c000
 2318 21:23:23.802819  # [  105.960265] LR is at execute_location+0xa4/0xb4
 2319 21:23:23.803163  # [  105.964804] pc : [<f096c000>]    lr : [<c138c4dc>]    psr: 600e0013
 2320 21:23:23.803486  # [  105.971079] sp : c68cfe30  ip : 00000027  fp : c68cfe4c
 2321 21:23:23.803796  # [  105.976312] r10: 0000000d  r9 : c1ad0bcc  r8 : c15e8634
 2322 21:23:23.804098  # [  105.981546] r7 : c68cff60  r6 : 00000001  r5 : f096c000  r4 : c0c2fd88
 2323 21:23:23.804393  # [  105.988080] r3 : 2cad9fe5  r2 : 2cad9fe5  r1 : ef7815e4  r0 : 0000002b
 2324 21:23:23.804731  # [  105.994616] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 2325 21:23:23.848985  # [  106.001760] Control: 10c5387d  Table: 168e404a  DAC: 00000051
 2326 21:23:23.849162  # [  106.007514] Process cat (pid: 2011, stack limit = 0xe6211ffb)
 2327 21:23:23.849246  # [  106.013268] Stack: (0xc68cfe30 to 0xc68d0000)
 2328 21:23:23.849322  # [  106.017637] fe20:                                     f096c000 c6f27000 0000000d c68cff60
 2329 21:23:23.849396  # [  106.025826] fe40: c68cfe64 c68cfe50 c0c2fe0c c138c444 00000022 c6f27000 c68cfe74 c68cfe68
 2330 21:23:23.849466  # [  106.034017] fe60: c0c2f018 c0c2fdf0 c68cfe9c c68cfe78 c0c2f518 c0c2eff8 c0c2f3f8 c5f5ba40
 2331 21:23:23.893186  # [  106.042206] fe80: b6dfd000 0000000d c530cd80 c68cff60 c68cfec4 c68cfea0 c07f6080 c0c2f404
 2332 21:23:23.893717  # [  106.050395] fea0: 00000000 c5f5ba40 b6dfd000 c2816000 c68cff60 c07f601c c68cff5c c68cfec8
 2333 21:23:23.894063  # [  106.058583] fec0: c0598c00 c07f6028 00000001 00000000 c0599194 c2d6b764 c0599194 c68ce000
 2334 21:23:23.894385  # [  106.066772] fee0: b6dfd000 00020000 00000004 0000000d 0001fff3 c68cfee0 00000001 00000805
 2335 21:23:23.894696  # [  106.074960] ff00: c6acf540 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 2336 21:23:23.941082  # [  106.083149] ff20: 00000000 00000000 c68ce000 2cad9fe5 b6dfc000 c5f5ba40 c5f5ba40 c68ce000
 2337 21:23:23.941519  # [  106.091337] ff40: b6dfd000 00000000 00000000 00000004 c68cff94 c68cff60 c0599194 c0598b00
 2338 21:23:23.941863  # [  106.099526] ff60: 00000000 00000000 c68cffac 2cad9fe5 0000000d 0000000d b6f44e00 00000004
 2339 21:23:23.942186  # [  106.107714] ff80: c03002e4 c68ce000 c68cffa4 c68cff98 c0599224 c059912c 00000000 c68cffa8
 2340 21:23:23.942495  # [  106.115903] ffa0: c03000c0 c0599218 0000000d 0000000d 00000001 b6dfd000 0000000d 00000000
 2341 21:23:23.984911  # [  106.124093] ffc0: 0000000d 0000000d b6f44e00 00000004 00000001 00000000 00020000 beaa0a54
 2342 21:23:23.984999  # [  106.132281] ffe0: 00000004 beaa0788 b6eaf4cf b6e357e6 800e0030 00000001 00000000 00000000
 2343 21:23:23.985069  # [  106.140463] Backtrace: 
 2344 21:23:23.985133  # [  106.142935] [<c138c438>] (execute_location) from [<c0c2fe0c>] (lkdtm_EXEC_VMALLOC+0x28/0x34)
 2345 21:23:23.985196  # [  106.151386]  r7:c68cff60 r6:0000000d r5:c6f27000 r4:f096c000
 2346 21:23:23.985257  # [  106.157066] [<c0c2fde4>] (lkdtm_EXEC_VMALLOC) from [<c0c2f018>] (lkdtm_do_action+0x2c/0x4c)
 2347 21:23:23.985317  # [  106.165426]  r5:c6f27000 r4:00000022
 2348 21:23:24.028788  # [  106.169019] [<c0c2efec>] (lkdtm_do_action) from [<c0c2f518>] (direct_entry+0x120/0x18c)
 2349 21:23:24.028876  # [  106.177043] [<c0c2f3f8>] (direct_entry) from [<c07f6080>] (full_proxy_write+0x64/0x94)
 2350 21:23:24.028946  # [  106.184972]  r9:c68cff60 r8:c530cd80 r7:0000000d r6:b6dfd000 r5:c5f5ba40 r4:c0c2f3f8
 2351 21:23:24.029010  # [  106.192734] [<c07f601c>] (full_proxy_wr[  106.734555] lkdtm: Performing direct entry EXEC_RODATA
 2352 21:23:24.029072  ite) from [<c0598c00>] (vfs_write[  106.740189] lkdtm: attempting ok execution at c0c2fd88
 2353 21:23:24.029132  +0x10c/0x524)
 2354 21:23:24.072841  # [  106.200578]  [  106.748145] lkdtm: attempting bad execution at c15e88d0
 2355 21:23:24.072925  r9:c07f601c r8:c68cff60 r7:c28160[  106.756230] 8<--- cut here ---
 2356 21:23:24.072991  00 r6:b6d[f d 010006 .r756:2c150f] Unable to handle kernel paging request at virtual address c15e88d0
 2357 21:23:24.073054  5ba40 r4:00[0 0 010060.07
 2358 21:23:24.073142  7
 2359 21:23:24.073235  1#0 65] pgd = 34992e50
 2360 21:23:24.073312    106.208334] [<c0598a[f 4 1>0]6 775593] [c15e88d0] *pgd=1141941e(bad)
 2361 21:23:24.073380  (vfs_write) from [<c[0 5 9190169.781867] Internal error: Oops: 8000000d [#7] SMP ARM
 2362 21:23:24.073435  >] (ksys_write+0x74/0xec)
 2363 21:23:24.116879  # [  1[  106.789343] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv imx_ldb gpu_sched dw_hdmi_imx dw_hdmi parallel_display imxdrm imx_ipu_v3
 2364 21:23:24.117043  06.215482]  r10[: 0 0100060.08024045] CPU: 3 PID: 2088 Comm: cat Tainted: G      D W         5.10.153-cip19 #1
 2365 21:23:24.160883   r9:00000[ 0 0100 6r.88:300070707] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 2366 21:23:24.161009  000 r7:b6dfd000 r6:c68ce[0 0 01 06.839050] PC is at lkdtm_rodata_do_nothing+0x0/0x10
 2367 21:23:24.161097  5:c5f5ba40
 2368 21:23:24.161160  # [  10[6 . 212063.3846527] LR is at execute_location+0xa4/0xb4
 2369 21:23:24.161247  8]  r4:c5f5ba[4 0 
 2370 21:23:24.161334  1
 2371 21:23:24.161417  0#6 .[8 5 3122] pc : [<c15e88d0>]    lr : [<c138c4dc>]    psr: 600e0013
 2372 21:23:24.161474  06.22586[5 ]  1[0<6c.085691931925] sp : c6ecbe38  ip : c6ecbd40  fp : c6ecbe54
 2373 21:23:24.161560  >] (ksys[_ w r1i0t6e.)8 6f8r3o5m3] r10: 0000000c  r9 : c1ad0bdc  r8 : c15e8634
 2374 21:23:24.204800  [<c0599224>[]   (1s0y6s._8w7r5i3t3] r7 : c6ecbf60  r6 : 00000000  r5 : c15e88d0  r4 : c0c2fd88
 2375 21:23:24.204921  e+0x18/0x[1 c )1
 2376 21:23:24.204988  0
 2377 21:23:24.205051  6#. 8[8 3 6160] r3 : 8d9c3d06  r2 : 8d9c3d06  r1 : ef7c05e0  r0 : 0000002b
 2378 21:23:24.205113  6.233012]  r9[: c 61806c.e809010925] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 2379 21:23:24.205175  r8:c03002e4[  r 71:0060.0900000906] Control: 10c5387d  Table: 16e7004a  DAC: 00000051
 2380 21:23:24.205231  4 r6:b6f44e0[0   r150:60.0900080534] Process cat (pid: 2088, stack limit = 0x4f79cf4e)
 2381 21:23:24.205290  0d r4:0000000[d 
 2382 21:23:24.205345   
 2383 21:23:24.205401  1#0 6[. 9 116089] Stack: (0xc6ecbe38 to 0xc6ecc000)
 2384 21:23:24.248809  6.240773] [<c059[9 2 01c0>6]. 9(22453] be20:                                                       00000023 c468e000
 2385 21:23:24.248931  ys_write) from [<c[0 3 010006c.0932714] be40: 0000000c c6ecbf60 c6ecbe64 c6ecbe58 c138c6c4 c138c444 c6ecbe74 c6ecbe68
 2386 21:23:24.249000  ] (ret_fast_sy[s c a1l0l6+.09x403057] be60: c0c2f018 c138c6ac c6ecbe9c c6ecbe78 c0c2f518 c0c2eff8 c0c2f3f8 c4202140
 2387 21:23:24.249063  0x28)
 2388 21:23:24.249125  # [  10[6 . 2140863.4995]3228] be80: b6dc9000 0000000c c530cd80 c6ecbf60 c6ecbec4 c6ecbea0 c07f6080 c0c2f404
 2389 21:23:24.292807  Exception stack([0 x c16086c.f9f63400] bea0: 00000000 c4202140 b6dc9000 c2816000 c6ecbf60 c07f601c c6ecbf5c c6ecbec8
 2390 21:23:24.292922  8 to 0xc68cfff0[) 
 2391 21:23:24.292990   
 2392 21:23:24.293052  1#0 6[. 9 71657] bec0: c0598c00 c07f6028 00000001 00000000 c0599194 c13a1c60 c0599194 c6eca000
 2393 21:23:24.293115  06.253411] ffa[0 :  1 0 6 . 9 8 3827] bee0: b6dc9000 00020000 00000004 0000000c 0001fff4 c6ecbee0 00000001 b6dc8000
 2394 21:23:24.293176             0000[0 0 01d0 60.09090000] bf00: c42a8500 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 2395 21:23:24.336829  000d 00000001 b6d[f d 010007 .0004172] bf20: 00000000 00000000 c13a1c60 8d9c3d06 c205cf20 c4202140 c4202140 c6eca000
 2396 21:23:24.336979  00000d 00000000
 2397 21:23:24.337048  [#   [1 0 71.0064430] bf40: b6dc9000 00000000 00000000 00000004 c6ecbf94 c6ecbf60 c0599194 c0598b00
 2398 21:23:24.337139  .261602] ffc0:[  0 0100070.0002d4687] bf60: 00000000 00000000 c6ecbfac 8d9c3d06 0000000c 0000000c b6f10e00 00000004
 2399 21:23:24.337229  0000000d b6f44e[0 0  100070.00030859] bf80: c03002e4 c6eca000 c6ecbfa4 c6ecbf98 c0599224 c059912c 00000000 c6ecbfa8
 2400 21:23:24.380826  04 00000001 00[0 0 0100070. 00405028] bfa0: c03000c0 c0599218 0000000c 0000000c 00000001 b6dc9000 0000000c 00000000
 2401 21:23:24.380979  20000 beaa0a54
 2402 21:23:24.381048  [
 2403 21:23:24.381137   #  1[0 7 .10056201] bfc0: 0000000c 0000000c b6f10e00 00000004 00000001 00000000 00020000 be8c9a54
 2404 21:23:24.381227  .269788] ffe0[:   0100070.000605471] bfe0: 00000004 be8c9788 b6e7b4cf b6e017e6 800e0030 00000001 00000000 00000000
 2405 21:23:24.381317   beaa0788 b6eaf4[c f  1b067e.30575452] Backtrace: 
 2406 21:23:24.381402  e6
 2407 21:23:24.381458  # [  106.274857] Code[:   b1a7.079991] [<c138c438>] (execute_location) from [<c138c6c4>] (lkdtm_EXEC_RODATA+0x24/0x28)
 2408 21:23:24.381514  d PC value
 2409 21:23:24.424850  # [ [  1 0160.72.70890765]  r7:c6ecbf60 r6:0000000c r5:c468e000 r4:00000023
 2410 21:23:24.424985  05] ---[ end trace dfcb905fa2[d 2107.098515] [<c138c6a0>] (lkdtm_EXEC_RODATA) from [<c0c2f018>] (lkdtm_do_action+0x2c/0x4c)
 2411 21:23:24.425068  01c7 ]---
 2412 21:23:24.425147  # EXEC_VMALL[O C :1 0m.109376] [<c0c2efec>] (lkdtm_do_action) from [<c0c2f518>] (direct_entry+0x120/0x18c)
 2413 21:23:24.425235  issing 'call trace:': [FA[I L ]1
 2414 21:23:24.425293  7.119722] [<c0c2f3f8>] (direct_entry) from [<c07f6080>] (full_proxy_write+0x64/0x94)
 2415 21:23:24.425380  
 2416 21:23:24.425451  not ok 33 sel[f t e1s0t7s.:1 3l0060]  r9:c6ecbf60 r8:c530cd80 r7:0000000c r6:b6dc9000 r5:c4202140 r4:c0c2f3f8
 2417 21:23:24.468804  dtm: EXEC_VMALLOC.sh # e[x i t1=07.139803] [<c07f601c>] (full_proxy_write) from [<c0598c00>] (vfs_write+0x10c/0x524)
 2418 21:23:24.468926  
 2419 21:23:24.468993  # selftests: lkdt[m :  1E0X7E.C50057]  r9:c07f601c r8:c6ecbf60 r7:c2816000 r6:b6dc9000 r5:c4202140 r4:00000000
 2420 21:23:24.469056  _RODATA.sh
 2421 21:23:24.469115  [  107.159966] [<c0598af4>] (vfs_write) from [<c0599194>] (ksys_write+0x74/0xec)
 2422 21:23:24.469174  [  107.168139]  r10:00000004 r9:00000000 r8:00000000 r7:b6dc9000 r6:c6eca000 r5:c4202140
 2423 21:23:24.469231  [  107.175973]  r4:c4202140
 2424 21:23:24.512808  [  107.178517] [<c0599120>] (ksys_write) from [<c0599224>] (sys_write+0x18/0x1c)
 2425 21:23:24.512926  [  107.185661]  r9:c6eca000 r8:c03002e4 r7:00000004 r6:b6f10e00 r5:0000000c r4:0000000c
 2426 21:23:24.512992  [  107.193414] [<c059920c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 2427 21:23:24.513055  [  107.200987] Exception stack(0xc6ecbfa8 to 0xc6ecbff0)
 2428 21:23:24.513113  [  107.206047] bfa0:                   0000000c 0000000c 00000001 b6dc9000 0000000c 00000000
 2429 21:23:24.513190  [  107.214232] bfc0: 0000000c 0000000c b6f10e00 00000004 00000001 00000000 00020000 be8c9a54
 2430 21:23:24.556828  [  107.222415] bfe0: 00000004 be8c9788 b6e7b4cf b6e017e6
 2431 21:23:24.556963  [  107.227475] Code: 5f727563 6e756f63 00000074 aa55aa55 (e1a0c00d) 
 2432 21:23:24.557030  [  107.233578] ---[ end trace dfcb905fa2d201c8 ]---
 2433 21:23:24.557093  # Segmentation fault
 2434 21:23:24.635010  # [  106.734555] lkdtm: Performing direct entry EXEC_RODATA
 2435 21:23:24.635158  # [  106.740189] lkdtm: attempting ok execution at c0c2fd88
 2436 21:23:24.635225  # [  106.748145] lkdtm: attempting bad execution at c15e88d0
 2437 21:23:24.635285  # [  106.756230] 8<--- cut here ---
 2438 21:23:24.635342  # [  106.762105] Unable to handle kernel paging request at virtual address c15e88d0
 2439 21:23:24.635399  # [  106.771065] pgd = 34992e50
 2440 21:23:24.635454  # [  106.775593] [c15e88d0] *pgd=1141941e(bad)
 2441 21:23:24.635509  # [  106.781867] Internal error: Oops: 8000000d [#7] SMP ARM
 2442 21:23:24.678085  # [  106.789343] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv imx_ldb gpu_sched dw_hdmi_imx dw_hdmi parallel_display imxdrm imx_ipu_v3
 2443 21:23:24.678212  # [  106.821045] CPU: 3 PID: 2088 Comm: cat Tainted: G      D W         5.10.153-cip19 #1
 2444 21:23:24.678279  # [  106.830777] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 2445 21:23:24.724837  # [  106.839050] PC is at lkdtm_rodata_do_nothing+0x0/0x10
 2446 21:23:24.724960  # [  106.846527] LR is at execute_location+0xa4/0xb4
 2447 21:23:24.725027  # [  106.853222] pc : [<c15e88d0>]    lr : [<c138c4dc>]    psr: 600e0013
 2448 21:23:24.725089  # [  106.861395] sp : c6ecbe38  ip : c6ecbd40  fp : c6ecbe54
 2449 21:23:24.725173  # [  106.868353] r10: 0000000c  r9 : c1ad0bdc  r8 : c15e8634
 2450 21:23:24.725260  # [  106.875313] r7 : c6ecbf60  r6 : 00000000  r5 : c15e88d0  r4 : c0c2fd88
 2451 21:23:24.725359  # [  106.883662] r3 : 8d9c3d06  r2 : 8d9c3d06  r1 : ef7c05e0  r0 : 0000002b
 2452 21:23:24.768811  # [  106.891925] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 2453 21:23:24.768936  # [  106.900966] Control: 10c5387d  Table: 16e7004a  DAC: 00000051
 2454 21:23:24.769002  # [  106.908534] Process cat (pid: 2088, stack limit = 0x4f79cf4e)
 2455 21:23:24.769062  # [  106.916189] Stack: (0xc6ecbe38 to 0xc6ecc000)
 2456 21:23:24.769121  # [  106.922453] be20:                                                       00000023 c468e000
 2457 21:23:24.769179  # [  106.932714] be40: 0000000c c6ecbf60 c6ecbe64 c6ecbe58 c138c6c4 c138c444 c6ecbe74 c6ecbe68
 2458 21:23:24.769234  # [  106.943057] be60: c0c2f018 c138c6ac c6ecbe9c c6ecbe78 c0c2f518 c0c2eff8 c0c2f3f8 c4202140
 2459 21:23:24.812833  # [  106.953228] be80: b6dc9000 0000000c c530cd80 c6ecbf60 c6ecbec4 c6ecbea0 c07f6080 c0c2f404
 2460 21:23:24.812961  # [  106.963400] bea0: 00000000 c4202140 b6dc9000 c2816000 c6ecbf60 c07f601c c6ecbf5c c6ecbec8
 2461 21:23:24.813028  # [  106.973657] bec0: c0598c00 c07f6028 00000001 00000000 c0599194 c13a1c60 c0599194 c6eca000
 2462 21:23:24.813119  # [  106.983827] bee0: b6dc9000 00020000 00000004 0000000c 0001fff4 c6ecbee0 00000001 b6dc8000
 2463 21:23:24.813207  # [  106.994000] bf00: c42a8500 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 2464 21:23:24.856807  # [  107.004172] bf20: 00000000 00000000 c13a1c60 8d9c3d06 c205cf20 c4202140 c4202140 c6eca000
 2465 21:23:24.856930  # [  107.014430] bf40: b6dc9000 00000000 00000000 00000004 c6ecbf94 c6ecbf60 c0599194 c0598b00
 2466 21:23:24.856997  # [  107.024687] bf60: 00000000 00000000 c6ecbfac 8d9c3d06 0000000c 0000000c b6f10e00 00000004
 2467 21:23:24.857058  # [  107.034859] bf80: c03002e4 c6eca000 c6ecbfa4 c6ecbf98 c0599224 c059912c 00000000 c6ecbfa8
 2468 21:23:24.857116  # [  107.045028] bfa0: c03000c0 c0599218 0000000c 0000000c 00000001 b6dc9000 0000000c 00000000
 2469 21:23:24.900798  # [  107.055201] bfc0: 0000000c 0000000c b6f10e00 00000004 00000001 00000000 00020000 be8c9a54
 2470 21:23:24.900911  # [  107.065371] bfe0: 00000004 be8c9788 b6e7b4cf b6e017e6 800e0030 00000001 00000000 00000000
 2471 21:23:24.900976  # [  107.075452] Backtrace: 
 2472 21:23:24.901037  # [  107.079991] [<c138c438>] (execute_location) from [<c138c6c4>] (lkdtm_EXEC_RODATA+0x24/0x28)
 2473 21:23:24.901095  # [  107.090765]  r7:c6ecbf60 r6:0000000c r5:c468e000 r4:00000023
 2474 21:23:24.901153  # [  107.098515] [<c138c6a0>] (lkdtm_EXEC_RODATA) from [<c0c2f018>] (lkdtm_do_action+0x2c/0x4c)
 2475 21:23:24.944834  # [  107.109376] [<c0c2efec>] (lkdtm_do_action) from [<c0c2f518>] (direct_entry+0x120/0x18[  107.629304] lkdtm: Performing direct entry EXEC_USERSPACE
 2476 21:23:24.945007  c)
 2477 21:23:24.945076  # [  107.119722] [<c0c2f3f8>][  107.637049] lkdtm: attempting ok execution at c0c2fd88
 2478 21:23:24.945167   (direct_entry) from [<c07f6080>][  107.644988] lkdtm: attempting bad execution at b6f34000
 2479 21:23:24.945256   (full_proxy_write+0x64/0x94)
 2480 21:23:24.945342  # [  107.652992] Unhandled prefetch abort: page domain fault (0x00b) at 0xb6f34000
 2481 21:23:24.945428  [  107.130060]  r9:c6ecbf60 r8:c5[  107.662938] Internal error: : b [#8] SMP ARM
 2482 21:23:24.988822  30cd80 r7:0000000c r6:b6dc9000 r5[  107.670054] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv imx_ldb gpu_sched dw_hdmi_imx dw_hdmi parallel_display imxdrm imx_ipu_v3
 2483 21:23:24.988946  :c4202140 r4:c0c2f3f8
 2484 21:23:24.989012  # [ [  1 007.701768] CPU: 3 PID: 2164 Comm: cat Tainted: G      D W         5.10.153-cip19 #1
 2485 21:23:25.032777  7.139803] [<c07f601c[> ]  10(7f.u12029] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 2486 21:23:25.032904  ll_proxy_write) from [<c0[5 9 81c7.720741] PC is at 0xb6f34000
 2487 21:23:25.032972  00>] (vfs_write+0x10c/0x524)
 2488 21:23:25.033034  # [  107.726326] LR is at lkdtm_EXEC_USERSPACE+0xc4/0xd4
 2489 21:23:25.033094    107.150057]  r9:c07f6[0 1 c1 0r.733981] pc : [<b6f34000>]    lr : [<c0c2fedc>]    psr: 600e0013
 2490 21:23:25.033154  8:c6ecbf60 r7:[c 2 8110670.0704 2591] sp : c6ab1e48  ip : c6ab1d50  fp : c6ab1e64
 2491 21:23:25.033213  6:b6dc9000 r5[: c 4120072.174409 21] r10: 0000000f  r9 : c1ad0be8  r8 : c15e8634
 2492 21:23:25.076772  r4:00000000
 2493 21:23:25.076886  # [ [  1 01077..17556966] r7 : c6ab1f60  r6 : 0000000f  r5 : c457e000  r4 : b6f34000
 2494 21:23:25.076952  966] [<c0598af4>] ([v f s1_0w7r.i65585] r3 : ed5c0d2e  r2 : ed5c0d2e  r1 : ef7c05e0  r0 : 0000002b
 2495 21:23:25.077016  te) from [<c0599194>] (k[s y s1_07.774290] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 2496 21:23:25.077075  rite+0x74/0xec)
 2497 21:23:25.077131  #[  [  1 0170.7783858] Control: 10c5387d  Table: 16f0404a  DAC: 00000051
 2498 21:23:25.077202  168139]  r10:00000004 r[9 : 01000.791784] Process cat (pid: 2164, stack limit = 0x198af1df)
 2499 21:23:25.120809  00000 r8:0000000[0   r170:7b.67d99877] Stack: (0xc6ab1e48 to 0xc6ab2000)
 2500 21:23:25.120924  9000 r6:c6eca000 r5:c4202140
 2501 21:23:25.120991  # [  107.806338] 1e40:                   00000001 00000000 0000000f 00000024 c6ab1e74 c6ab1e68
 2502 21:23:25.121052    107.175973]  r4:c4202140
 2503 21:23:25.121110  #[  [107.817297] 1e60: c0c2f018 c0c2fe24 c6ab1e9c c6ab1e78 c0c2f518 c0c2eff8 c0c2f3f8 c6ace8c0
 2504 21:23:25.121168    107.178517] [<c0599120>] (k[s y107.828084] 1e80: b6dee000 0000000f c530cd80 c6ab1f60 c6ab1ec4 c6ab1ea0 c07f6080 c0c2f404
 2505 21:23:25.164776  s_write) from [<c0599224>] [( s y07.838871] 1ea0: 00000000 c6ace8c0 b6dee000 c2816000 c6ab1f60 c07f601c c6ab1f5c c6ab1ec8
 2506 21:23:25.164892  s_write+0x18/0x1c)
 2507 21:23:25.164957  # [  107.1[8  107.849573] 1ec0: c0598c00 c07f6028 00000001 00000000 c0599194 c41690e4 c0599194 c6ab0000
 2508 21:23:25.165020  661]  r9:c6eca000 r8:c03002e[4   107.860447] 1ee0: b6dee000 00020000 00000004 0000000f 0001fff1 c6ab1ee0 00000001 00000805
 2509 21:23:25.165082  7:00000004 r6:b6f10e00 r5:00[0 0 107.871233] 1f00: c5800500 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 2510 21:23:25.165142  00c r4:0000000c
 2511 21:23:25.208772  # [  107.19[3 4 107.882023] 1f20: 00000000 00000000 c6ab0000 ed5c0d2e b6ded000 c6ace8c0 c6ace8c0 c6ab0000
 2512 21:23:25.208886  4] [<c059920c>] (sys_write) fr[o  107.892811] 1f40: b6dee000 00000000 00000000 00000004 c6ab1f94 c6ab1f60 c0599194 c0598b00
 2513 21:23:25.208954   [<c03000c0>] (ret_fast_sy[s  c1a7.903684] 1f60: 00000000 00000000 c6ab1fac ed5c0d2e 0000000f 0000000f b6f35e00 00000004
 2514 21:23:25.209016  ll+0x0/0x28)
 2515 21:23:25.209075  # [  107.200987] [E 107.914300] 1f80: c03002e4 c6ab0000 c6ab1fa4 c6ab1f98 c0599224 c059912c 00000000 c6ab1fa8
 2516 21:23:25.252782  xception stack(0xc6ecbfa8 to[  0 107.925173] 1fa0: c03000c0 c0599218 0000000f 0000000f 00000001 b6dee000 0000000f 00000000
 2517 21:23:25.252896  c6ecbff0)
 2518 21:23:25.252962  # [  107.206047[]   b107.935961] 1fc0: 0000000f 0000000f b6f35e00 00000004 00000001 00000000 00020000 beffca54
 2519 21:23:25.253024  a0:                   0000000c[   107.946664] 1fe0: 00000004 beffc788 b6ea04cf b6e267e6 800e0030 00000001 00000000 00000000
 2520 21:23:25.253083  000000c 00000001 b6dc9000 0[0 0 007.957523] Backtrace: 
 2521 21:23:25.253143  000c 00000000
 2522 21:23:25.296784  # [  107.214232] b[  107.962528] [<c0c2fe18>] (lkdtm_EXEC_USERSPACE) from [<c0c2f018>] (lkdtm_do_action+0x2c/0x4c)
 2523 21:23:25.296898  fc0: 0000000c 000000[0 c  1b067f.973894]  r4:00000024
 2524 21:23:25.296964  0e00 00000004 00000001 00000000 0[  107.978715] [<c0c2efec>] (lkdtm_do_action) from [<c0c2f518>] (direct_entry+0x120/0x18c)
 2525 21:23:25.297028  0020000 be8c9a54
 2526 21:23:25.297088  # [  107.222415[  107.989590] [<c0c2f3f8>] (direct_entry) from [<c07f6080>] (full_proxy_write+0x64/0x94)
 2527 21:23:25.297146  ] bfe0: 00000004 be8c9788 b6[e 7 108.000362]  r9:c6ab1f60 r8:c530cd80 r7:0000000f r6:b6dee000 r5:c6ace8c0 r4:c0c2f3f8
 2528 21:23:25.297201  4cf b6e017e6
 2529 21:23:25.340764  # [  107.227475] Co[  108.010726] [<c07f601c>] (full_proxy_write) from [<c0598c00>] (vfs_write+0x10c/0x524)
 2530 21:23:25.340880  de: 5f727563 6e756f63 000000[7 4 108.021419]  r9:c07f601c r8:c6ab1f60 r7:c2816000 r6:b6dee000 r5:c6ace8c0 r4:00000000
 2531 21:23:25.340946  aa55aa55 (e1a0c00d) 
 2532 21:23:25.341007  # [  107.[2 108.031776] [<c0598af4>] (vfs_write) from [<c0599194>] (ksys_write+0x74/0xec)
 2533 21:23:25.341066  33578] ---[ end trace dfcb905[f a108.041605]  r10:00000004 r9:00000000 r8:00000000 r7:b6dee000 r6:c6ab0000 r5:c6ace8c0
 2534 21:23:25.341125  2d201c8 ]---
 2535 21:23:25.341181  #[  E X1E0C8_.R0O5D036]  r4:c6ace8c0
 2536 21:23:25.384785  ATA: missing 'call trace:': [FAIL  108.056587] [<c0599120>] (ksys_write) from [<c0599224>] (sys_write+0x18/0x1c)
 2537 21:23:25.384898  ]
 2538 21:23:25.384963  not ok 34 selftests: lkdtm: [E 108.066506]  r9:c6ab0000 r8:c03002e4 r7:00000004 r6:b6f35e00 r5:0000000f r4:0000000f
 2539 21:23:25.385026  XEC_RODATA.sh # exit=1
 2540 21:23:25.385084  # selftes[  108.076950] [<c059920c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 2541 21:23:25.385142  ts: lkdtm: EXEC_U[S E R1S0P8A.C0E7376] Exception stack(0xc6ab1fa8 to 0xc6ab1ff0)
 2542 21:23:25.385198  .sh
 2543 21:23:25.428792  [  108.094526] 1fa0:                   0000000f 0000000f 00000001 b6dee000 0000000f 00000000
 2544 21:23:25.428914  [  108.103142] 1fc0: 0000000f 0000000f b6f35e00 00000004 00000001 00000000 00020000 beffca54
 2545 21:23:25.428980  [  108.111345] 1fe0: 00000004 beffc788 b6ea04cf b6e267e6
 2546 21:23:25.429042  [  108.116430] Code: bad PC value
 2547 21:23:25.429100  [  108.119521] ---[ end trace dfcb905fa2d201c9 ]---
 2548 21:23:25.429157  # Segmentation fault
 2549 21:23:25.513749  # [  107.629304] lkdtm: Performing direct entry EXEC_USERSPACE
 2550 21:23:25.513904  # [  107.637049] lkdtm: attempting ok execution at c0c2fd88
 2551 21:23:25.513973  # [  107.644988] lkdtm: attempting bad execution at b6f34000
 2552 21:23:25.514063  # [  107.652992] Unhandled prefetch abort: page domain fault (0x00b) at 0xb6f34000
 2553 21:23:25.514137  # [  107.662938] Internal error: : b [#8] SMP ARM
 2554 21:23:25.556871  # [  107.670054] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv imx_ldb gpu_sched dw_hdmi_imx dw_hdmi parallel_display imxdrm imx_ipu_v3
 2555 21:23:25.557004  # [  107.701768] CPU: 3 PID: 2164 Comm: cat Tainted: G      D W         5.10.153-cip19 #1
 2556 21:23:25.557072  # [  107.712029] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 2557 21:23:25.557136  # [  107.720741] PC is at 0xb6f34000
 2558 21:23:25.557197  # [  107.726326] LR is at lkdtm_EXEC_USERSPACE+0xc4/0xd4
 2559 21:23:25.557255  # [  107.733981] pc : [<b6f34000>]    lr : [<c0c2fedc>]    psr: 600e0013
 2560 21:23:25.600850  # [  107.742591] sp : c6ab1e48  ip : c6ab1d50  fp : c6ab1e64
 2561 21:23:25.600971  # [  107.749821] r10: 0000000f  r9 : c1ad0be8  r8 : c15e8634
 2562 21:23:25.601038  # [  107.756966] r7 : c6ab1f60  r6 : 0000000f  r5 : c457e000  r4 : b6f34000
 2563 21:23:25.601101  # [  107.765585] r3 : ed5c0d2e  r2 : ed5c0d2e  r1 : ef7c05e0  r0 : 0000002b
 2564 21:23:25.601160  # [  107.774290] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 2565 21:23:25.601218  # [  107.783858] Control: 10c5387d  Table: 16f0404a  DAC: 00000051
 2566 21:23:25.601274  # [  107.791784] Process cat (pid: 2164, stack limit = 0x198af1df)
 2567 21:23:25.644835  # [  107.799877] Stack: (0xc6ab1e48 to 0xc6ab2000)
 2568 21:23:25.644954  # [  107.806338] 1e40:                   00000001 00000000 0000000f 00000024 c6ab1e74 c6ab1e68
 2569 21:23:25.645020  # [  107.817297] 1e60: c0c2f018 c0c2fe24 c6ab1e9c c6ab1e78 c0c2f518 c0c2eff8 c0c2f3f8 c6ace8c0
 2570 21:23:25.645148  # [  107.828084] 1e80: b6dee000 0000000f c530cd80 c6ab1f60 c6ab1ec4 c6ab1ea0 c07f6080 c0c2f404
 2571 21:23:25.645236  # [  107.838871] 1ea0: 00000000 c6ace8c0 b6dee000 c2816000 c6ab1f60 c07f601c c6ab1f5c c6ab1ec8
 2572 21:23:25.688825  # [  107.849573] 1ec0: c0598c00 c07f6028 00000001 00000000 c0599194 c41690e4 c0599194 c6ab0000
 2573 21:23:25.688959  # [  107.860447] 1ee0: b6dee000 00020000 00000004 0000000f 0001fff1 c6ab1ee0 00000001 00000805
 2574 21:23:25.689027  # [  107.871233] 1f00: c5800500 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 2575 21:23:25.689117  # [  107.882023] 1f20: 00000000 00000000 c6ab0000 ed5c0d2e b6ded000 c6ace8c0 c6ace8c0 c6ab0000
 2576 21:23:25.689216  # [  107.892811] 1f40: b6dee000 00000000 00000000 00000004 c6ab1f94 c6ab1f60 c0599194 c0598b00
 2577 21:23:25.689332  # [  107.903684] 1f60: 00000000 00000000 c6ab1fac ed5c0d2e 0000000f 0000000f b6f35e00 00000004
 2578 21:23:25.732804  # [  107.914300] 1f80: c03002e4 c6ab0000 c6ab1fa4 c6ab1f98 c0599224 c059912c 00000000 c6ab1fa8
 2579 21:23:25.732920  # [  107.925173] 1fa0: c03000c0 c0599218 0000000f 0000000f 00000001 b6dee000 0000000f 00000000
 2580 21:23:25.732986  # [  107.935961] 1fc0: 0000000f 0000000f b6f35e00 00000004 00000001 00000000 00020000 beffca54
 2581 21:23:25.733048  # [  107.946664] 1fe0: 00000004 beffc788 b6ea04cf b6e267e6 800e0030 00000001 00000000 00000000
 2582 21:23:25.733106  # [  107.957523] Backtrace: 
 2583 21:23:25.776809  # [  107.962528] [<c0c2fe18>] (lkdtm_EXEC_USERSPACE) from [<c0c2f018>] (lkdtm_do_action+0x2c/0x4c)
 2584 21:23:25.776928  # [  107.973894]  r4:00000024
 2585 21:23:25.776995  # [  107.978715] [<c0c2efec>] (lkdtm_do_action) from [<c0c2f518>] (direct_entry+0x120/0x18c)
 2586 21:23:25.777057  # [  107.989590] [<c0c2f3f8>] (direct_entry) from [<c07f6080>] (full_proxy_write+0x64/0x94)
 2587 21:23:25.777116  # [  108.000362]  r9:c6ab1f60 r8:c530cd80 r7:0000000f r6:b6dee000 r5:c6ace8c0 r4:c0c2f3f8
 2588 21:23:25.777173  # [  108.010726] [<c07f601c>] (full_proxy_write) from [<c0598c00>] (vfs_write+0x10c/0x524)
 2589 21:23:25.820772  # [  108.021419]  r9:c07f601c r8:c6ab1f60 r7:c2816000 r6:b6dee000 r5:c6ace8c0 r4:00000000
 2590 21:23:25.820885  # [  108.031776] [<c0598af4>] (vfs_write) from [<c0599194>] (ksys_write+0x74/0xec)
 2591 21:23:25.820951  # [  108.041605]  r10:00000004 r9:00000000 r8:00000000 r7:b6dee000 r6:c6ab0000 r5:c6ace8c0
 2592 21:23:25.821012  # [  108.052036]  r4:c6ace8c0
 2593 21:23:25.821071  # [  108.056587] [<c0599120>] (ksys_write) from [<c0599224>] (sys_write+0x18/0x1c)
 2594 21:23:25.821128  # [  108.066506]  r9:c6ab0000 r8:c03002e4 r7:00000004 r6:b6f35e00 r5:0000000f r4:0000000f
 2595 21:23:25.821184  # [  108.076950] [<c059920c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 2596 21:23:25.864815  # [  108.087376] Exception stack(0xc6ab1fa8 to 0xc6ab1ff0)
 2597 21:23:25.864950  # [  [  108.552103] lkdtm: Performing direct entry EXEC_NULL
 2598 21:23:25.865018  108.094526] 1fa0:                [  108.558734] lkdtm: attempting ok execution at c0c2fd88
 2599 21:23:25.865113     0000000f 0000000f 00000001 b6d[  108.566814] lkdtm: attempting bad execution at 00000000
 2600 21:23:25.865203  ee000 0000000f 00000000
 2601 21:23:25.865289  # [  108[  108.574790] 8<--- cut here ---
 2602 21:23:25.865359  .103142] 1fc0: 0000000f 0000000f [  108.580761] Unable to handle kernel NULL pointer dereference at virtual address 00000000
 2603 21:23:25.908785  b6f35e00 00000004 00000001 000000[  108.591771] pgd = ea39ce0b
 2604 21:23:25.908899  00 00020000 beffca54
 2605 21:23:25.908967  # [  108.11[  108.597265] [00000000] *pgd=00000000
 2606 21:23:25.909029  1345] 1fe0: 00000004 beffc788 b6e[  108.603692] Internal error: Oops: 80000005 [#9] SMP ARM
 2607 21:23:25.909091  a04cf b6e267e6
 2608 21:23:25.952817  # [  108.116430] [  108.611749] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv imx_ldb gpu_sched dw_hdmi_imx dw_hdmi parallel_display imxdrm imx_ipu_v3
 2609 21:23:25.952942  Code: bad PC value[
 2610 21:23:25.953008   
 2611 21:23:25.953069   #1 0[8 . 643453] CPU: 2 PID: 2235 Comm: cat Tainted: G      D W         5.10.153-cip19 #1
 2612 21:23:25.953130  08.119521][  - -1-0[8 .e6n5d3 3t59] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 2613 21:23:25.953191  ace dfcb905fa2d[2 0 11c089. 6]6-1712] PC is at 0x0
 2614 21:23:25.953247  -
 2615 21:23:25.953304  # EXEC_USERSPACE: mi[s s i1n08.666247] LR is at execute_location+0xa4/0xb4
 2616 21:23:25.996807   'call trace[: ' :1 0[8F.A6I7L3]112] pc : [<00000000>]    lr : [<c138c4dc>]    psr: 600e0013
 2617 21:23:25.996927  
 2618 21:23:25.996993  not ok 35[  s e1l0f8t.e6s8t1s2:85] sp : c6cd9e38  ip : 00000027  fp : c6cd9e54
 2619 21:23:25.997056  lkdtm: E[X E C1_0U8S.E6R8S8P33A0C r10: 0000000a  r9 : c1ad0bf8  r8 : c15e8634
 2620 21:23:25.997116  E.sh # exit[= 1 
 2621 21:23:25.997172  1
 2622 21:23:25.997228  0#8 .s6e9l5f2t4] r7 : c6cd9f60  r6 : 00000000  r5 : 00000000  r4 : c0c2fd88
 2623 21:23:25.997285  ests: lk[ d t1m0:8 .E7X0E3C5_5N0U r3 : dda8ec63  r2 : dda8ec63  r1 : ef7ab5e4  r0 : 0000002b
 2624 21:23:25.997340  LL.sh
 2625 21:23:25.997393  [  108.711727] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 2626 21:23:26.040782  [  108.719467] Control: 10c5387d  Table: 16e6404a  DAC: 00000051
 2627 21:23:26.040902  [  108.725219] Process cat (pid: 2235, stack limit = 0x8cd64fba)
 2628 21:23:26.040969  [  108.730972] Stack: (0xc6cd9e38 to 0xc6cda000)
 2629 21:23:26.041030  [  108.735337] 9e20:                                                       00000025 c5871000
 2630 21:23:26.041090  [  108.743523] 9e40: 0000000a c6cd9f60 c6cd9e64 c6cd9e58 c138c6e8 c138c444 c6cd9e74 c6cd9e68
 2631 21:23:26.041147  [  108.751709] 9e60: c0c2f018 c138c6d4 c6cd9e9c c6cd9e78 c0c2f518 c0c2eff8 c0c2f3f8 c6928640
 2632 21:23:26.084775  [  108.759894] 9e80: b6e97000 0000000a c530cd80 c6cd9f60 c6cd9ec4 c6cd9ea0 c07f6080 c0c2f404
 2633 21:23:26.084893  [  108.768081] 9ea0: 00000000 c6928640 b6e97000 c2816000 c6cd9f60 c07f601c c6cd9f5c c6cd9ec8
 2634 21:23:26.084961  [  108.776267] 9ec0: c0598c00 c07f6028 00000001 00000000 c0599194 c13a1c60 c0599194 c6cd8000
 2635 21:23:26.085022  [  108.784452] 9ee0: b6e97000 00020000 00000004 0000000a 0001fff6 c6cd9ee0 00000001 b6e96000
 2636 21:23:26.085079  [  108.792636] 9f00: c6acf2c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 2637 21:23:26.085135  [  108.800823] 9f20: 00000000 00000000 c13a1c60 dda8ec63 c205cf20 c6928640 c6928640 c6cd8000
 2638 21:23:26.129143  
 2639 21:23:26.129305  [  108.809009] 9f40: b6e97000 00000000 00000000 00000004 c6cd9f94 c6cd9f60 c0599194 c0598b00
 2640 21:23:26.129379  [  108.817195] 9f60: 00000000 00000000 c6cd9fac dda8ec63 0000000a 0000000a b6fdee00 00000004
 2641 21:23:26.129446  [  108.825379] 9f80: c03002e4 c6cd8000 c6cd9fa4 c6cd9f98 c0599224 c059912c 00000000 c6cd9fa8
 2642 21:23:26.129509  [  108.833562] 9fa0: c03000c0 c0599218 0000000a 0000000a 00000001 b6e97000 0000000a 00000000
 2643 21:23:26.129572  [  108.841747] 9fc0: 0000000a 0000000a b6fdee00 00000004 00000001 00000000 00020000 be9b3a54
 2644 21:23:26.172887  [  108.849932] 9fe0: 00000004 be9b3788 b6f494cf b6ecf7e6 800e0030 00000001 00000000 00000000
 2645 21:23:26.173106  [  108.858111] Backtrace: 
 2646 21:23:26.173222  [  108.860578] [<c138c438>] (execute_location) from [<c138c6e8>] (lkdtm_EXEC_NULL+0x20/0x24)
 2647 21:23:26.173327  [  108.868764]  r7:c6cd9f60 r6:0000000a r5:c5871000 r4:00000025
 2648 21:23:26.173429  [  108.874441] [<c138c6c8>] (lkdtm_EXEC_NULL) from [<c0c2f018>] (lkdtm_do_action+0x2c/0x4c)
 2649 21:23:26.173529  [  108.882544] [<c0c2efec>] (lkdtm_do_action) from [<c0c2f518>] (direct_entry+0x120/0x18c)
 2650 21:23:26.217283  [  108.890563] [<c0c2f3f8>] (direct_entry) from [<c07f6080>] (full_proxy_write+0x64/0x94)
 2651 21:23:26.217814  [  108.898490]  r9:c6cd9f60 r8:c530cd80 r7:0000000a r6:b6e97000 r5:c6928640 r4:c0c2f3f8
 2652 21:23:26.218168  [  108.906246] [<c07f601c>] (full_proxy_write) from [<c0598c00>] (vfs_write+0x10c/0x524)
 2653 21:23:26.218490  [  108.914085]  r9:c07f601c r8:c6cd9f60 r7:c2816000 r6:b6e97000 r5:c6928640 r4:00000000
 2654 21:23:26.218796  [  108.921837] [<c0598af4>] (vfs_write) from [<c0599194>] (ksys_write+0x74/0xec)
 2655 21:23:26.219095  [  108.928981]  r10:00000004 r9:00000000 r8:00000000 r7:b6e97000 r6:c6cd8000 r5:c6928640
 2656 21:23:26.264812  [  108.936815]  r4:c6928640
 2657 21:23:26.264970  [  108.939360] [<c0599120>] (ksys_write) from [<c0599224>] (sys_write+0x18/0x1c)
 2658 21:23:26.265052  [  108.946505]  r9:c6cd8000 r8:c03002e4 r7:00000004 r6:b6fdee00 r5:0000000a r4:0000000a
 2659 21:23:26.265128  [  108.954260] [<c059920c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 2660 21:23:26.265202  [  108.961835] Exception stack(0xc6cd9fa8 to 0xc6cd9ff0)
 2661 21:23:26.265288  [  108.966896] 9fa0:                   0000000a 0000000a 00000001 b6e97000 0000000a 00000000
 2662 21:23:26.308783  [  108.975082] 9fc0: 0000000a 0000000a b6fdee00 00000004 00000001 00000000 00020000 be9b3a54
 2663 21:23:26.308896  [  108.983265] 9fe0: 00000004 be9b3788 b6f494cf b6ecf7e6
 2664 21:23:26.309002  [  108.988330] Code: bad PC value
 2665 21:23:26.309090  [  108.991465] ---[ end trace dfcb905fa2d201ca ]---
 2666 21:23:26.309176  # Segmentation fault
 2667 21:23:26.398152  # [  108.552103] lkdtm: Performing direct entry EXEC_NULL
 2668 21:23:26.398558  # [  108.558734] lkdtm: attempting ok execution at c0c2fd88
 2669 21:23:26.398875  # [  108.566814] lkdtm: attempting bad execution at 00000000
 2670 21:23:26.399169  # [  108.574790] 8<--- cut here ---
 2671 21:23:26.399448  # [  108.580761] Unable to handle kernel NULL pointer dereference at virtual address 00000000
 2672 21:23:26.399727  # [  108.591771] pgd = ea39ce0b
 2673 21:23:26.399999  # [  108.597265] [00000000] *pgd=00000000
 2674 21:23:26.400266  # [  108.603692] Internal error: Oops: 80000005 [#9] SMP ARM
 2675 21:23:26.441145  # [  108.611749] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv imx_ldb gpu_sched dw_hdmi_imx dw_hdmi parallel_display imxdrm imx_ipu_v3
 2676 21:23:26.441557  # [  108.643453] CPU: 2 PID: 2235 Comm: cat Tainted: G      D W         5.10.153-cip19 #1
 2677 21:23:26.441873  # [  108.653359] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 2678 21:23:26.442168  # [  108.661712] PC is at 0x0
 2679 21:23:26.485111  # [  108.666247] LR is at execute_location+0xa4/0xb4
 2680 21:23:26.485637  # [  108.673112] pc : [<00000000>]    lr : [<c138c4dc>]    psr: 600e0013
 2681 21:23:26.485986  # [  108.681285] sp : c6cd9e38  ip : 00000027  fp : c6cd9e54
 2682 21:23:26.486306  # [  108.688330] r10: 0000000a  r9 : c1ad0bf8  r8 : c15e8634
 2683 21:23:26.486611  # [  108.695204] r7 : c6cd9f60  r6 : 00000000  r5 : 00000000  r4 : c0c2fd88
 2684 21:23:26.486909  # [  108.703550] r3 : dda8ec63  r2 : dda8ec63  r1 : ef7ab5e4  r0 : 0000002b
 2685 21:23:26.487206  # [  108.711727] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 2686 21:23:26.528785  # [  108.719467] Control: 10c5387d  Table: 16e6404a  DAC: 00000051
 2687 21:23:26.528900  # [  108.725219] Process cat (pid: 2235, stack limit = 0x8cd64fba)
 2688 21:23:26.528991  # [  108.730972] Stack: (0xc6cd9e38 to 0xc6cda000)
 2689 21:23:26.529072  # [  108.735337] 9e20:                                                       00000025 c5871000
 2690 21:23:26.529132  # [  108.743523] 9e40: 0000000a c6cd9f60 c6cd9e64 c6cd9e58 c138c6e8 c138c444 c6cd9e74 c6cd9e68
 2691 21:23:26.529189  # [  108.751709] 9e60: c0c2f018 c138c6d4 c6cd9e9c c6cd9e78 c0c2f518 c0c2eff8 c0c2f3f8 c6928640
 2692 21:23:26.572958  # [  108.759894] 9e80: b6e97000 0000000a c530cd80 c6cd9f60 c6cd9ec4 c6cd9ea0 c07f6080 c0c2f404
 2693 21:23:26.573395  # [  108.768081] 9ea0: 00000000 c6928640 b6e97000 c2816000 c6cd9f60 c07f601c c6cd9f5c c6cd9ec8
 2694 21:23:26.573737  # [  108.776267] 9ec0: c0598c00 c07f6028 00000001 00000000 c0599194 c13a1c60 c0599194 c6cd8000
 2695 21:23:26.574061  # [  108.784452] 9ee0: b6e97000 00020000 00000004 0000000a 0001fff6 c6cd9ee0 00000001 b6e96000
 2696 21:23:26.574369  # [  108.792636] 9f00: c6acf2c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 2697 21:23:26.617063  # [  108.800823] 9f20: 00000000 00000000 c13a1c60 dda8ec63 c205cf20 c6928640 c6928640 c6cd8000
 2698 21:23:26.617461  # [  108.809009] 9f40: b6e97000 00000000 00000000 00000004 c6cd9f94 c6cd9f60 c0599194 c0598b00
 2699 21:23:26.617776  # [  108.817195] 9f60: 00000000 00000000 c6cd9fac dda8ec63 0000000a 0000000a b6fdee00 00000004
 2700 21:23:26.618098  # [  108.825379] 9f80: c03002e4 c6cd8000 c6cd9fa4 c6cd9f98 c0599224 c059912c 00000000 c6cd9fa8
 2701 21:23:26.618403  # [  108.833562] 9fa0: c03000c0 c0599218 0000000a 0000000a 00000001 b6e97000 0000000a 00000000
 2702 21:23:26.660970  # [  108.841747] 9fc0: 0000000a 0000000a b6fdee00 00000004 00000001 00000000 00020000 be9b3a54
 2703 21:23:26.661407  # [  108.849932] 9fe0: 00000004 be9b3788 b6f494cf b6ecf7e6 800e0030 00000001 00000000 00000000
 2704 21:23:26.661728  # [  108.858111] Backtrace: 
 2705 21:23:26.662044  # [  108.860578] [<c138c438>] (execute_location) from [<c138c6e8>] (lkdtm_EXEC_NULL+0x20/0x24)
 2706 21:23:26.662356  # [  108.868764]  r7:c6cd9f60 r6:0000000a r5:c5871000 r4:00000025
 2707 21:23:26.662655  # [  108.874441] [<c138c6c8>] (lkdtm_EXEC_NULL) from [<c0c2f018>] (lkdtm_do_action+0x2c/0x4c)
 2708 21:23:26.705018  # [  108.882544] [<c0c2efec>] (lkdtm_do_action) from [<c0c2f518>] (direct_entry+0x120/0x18c)
 2709 21:23:26.705415  # [  108.890563] [<c0c2f3f8>] (direct_entry) from [<c07f6080>] (full_proxy_write+0x64/0x94)
 2710 21:23:26.705731  # [  108.898490]  r9:c6cd9f60 r8:c530cd80 r7:00[  109.402886] lkdtm: Performing direct entry ACCESS_USERSPACE
 2711 21:23:26.706032  00000a r6:b6e97000 r5:c6928640 r4[  109.409910] lkdtm: attempting bad read at b6f85000
 2712 21:23:26.706329  :c0c2f3f8
 2713 21:23:26.706607  # [  108.906246] [<c07[  109.417504] 8<--- cut here ---
 2714 21:23:26.706879  f601c>] (full_proxy[_ w r1i0t9e.)23370] Unhandled fault: page domain fault (0x01b) at 0xb6f85000
 2715 21:23:26.749004   from [<c059[8 c 0100>9].4 3(1v8f0] pgd = 2ecdb149
 2716 21:23:26.749401  s_write+0x10c/0x52[4 ) 
 2717 21:23:26.749714  1
 2718 21:23:26.750029  0#9 .[436418] [b6f85000] *pgd=490a0831
 2719 21:23:26.750344   108.914085]  r9:c07f6[0 1 c1 0r9.442169] Internal error: : 1b [#10] SMP ARM
 2720 21:23:26.792965  :c6cd9f60 r7:c2816000 r6:b6e97000[  109.448948] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv imx_ldb gpu_sched dw_hdmi_imx dw_hdmi parallel_display imxdrm imx_ipu_v3
 2721 21:23:26.793377   r5:c6928640 r4:00[0 0 0100090.
 2722 21:23:26.793692  480654] CPU: 1 PID: 2311 Comm: cat Tainted: G      D W         5.10.153-cip19 #1
 2723 21:23:26.794023  # [  108[. 9 210198.3479]0 5[5<9c Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 2724 21:23:26.794335  0598af4>] (vfs_write) f[r o m1 0[.498744] PC is at lkdtm_ACCESS_USERSPACE+0x114/0x16c
 2725 21:23:26.794645  <c0599194>] (ksys_write+0x[7 4 /109.506313] LR is at __irq_work_queue_local+0x40/0x74
 2726 21:23:26.794940  xec)
 2727 21:23:26.836978  # [  1[0 8 .190298.958113]870] pc : [<c0c30000>]    lr : [<c049bd54>]    psr: 600e0013
 2728 21:23:26.837470   r10:0000[0 0 0140 9r.95:20200040] sp : c6f53e38  ip : c6f53d40  fp : c6f53e64
 2729 21:23:26.837814  0000 r8:0[0 0 0100090.05 29r070:2] r10: 00000011  r9 : c1ad0c04  r8 : c15e8634
 2730 21:23:26.838145  6e97000 r6:[c 6 c1d0890.0503 5r953] r7 : c6f53f60  r6 : 00000051  r5 : c6f52000  r4 : b6f85000
 2731 21:23:26.838461  :c6928640
 2732 21:23:26.838760  [
 2733 21:23:26.839052   #  1[0 9 .150484.3910] r3 : 6bf2cfc5  r2 : 6bf2cfc5  r1 : ef7965e0  r0 : 00000026
 2734 21:23:26.839347  6815]  r4:c69[2 8 610490.
 2735 21:23:26.839643  5
 2736 21:23:26.839930  5#2 660] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 2737 21:23:26.880771    108.93936[0 ]  1[0<9c.0556919712] Control: 10c5387d  Table: 16f5404a  DAC: 00000051
 2738 21:23:26.880855  20>] (ksys_wr[i t e1)0 9f.r5o6m9 70] Process cat (pid: 2311, stack limit = 0x08e4581d)
 2739 21:23:26.880921  [<c0599224>[]   1(0s9y.s5_7w6r9i23] Stack: (0xc6f53e38 to 0xc6f54000)
 2740 21:23:26.880982  e+0x18/0x1c)
 2741 21:23:26.881039  [#   [1 0 91.05883.02] 3e20:                                                       00000022 00000000
 2742 21:23:26.881095  946505]  r9:c6cd8[0 0 01 0r98.:5c3189] 3e40: 00000000 6bf2cfc5 c6f53e6c 00000026 c4685000 00000011 c6f53e74 c6f53e68
 2743 21:23:26.929035  03002e4 r7:0000[0 0 0140 9r.66:0b446] 3e60: c0c2f018 c0c2fef8 c6f53e9c c6f53e78 c0c2f518 c0c2eff8 c0c2f3f8 c6a768c0
 2744 21:23:26.929552  6fdee00 r5:000[0 0 0100a9 .r641:3617] 3e80: b6e3f000 00000011 c530cd80 c6f53f60 c6f53ec4 c6f53ea0 c07f6080 c0c2f404
 2745 21:23:26.929903  000000a
 2746 21:23:26.930224  # [  1[0 8 .190594.26263788] 3ea0: 00000000 c6a768c0 b6e3f000 c2816000 c6f53f60 c07f601c c6f53f5c c6f53ec8
 2747 21:23:26.930535  ] [<c059920c>] [( s y1s0_9w.r6i3t959] 3ec0: c0598c00 c07f6028 00000001 00000000 c0599194 c13a1c60 c0599194 c6f52000
 2748 21:23:26.973083  e) from [<c0300[0 c 01>0]9 .(6r4e131] 3ee0: b6e3f000 00020000 00000004 00000011 0001ffef c6f53ee0 00000001 b6e3e000
 2749 21:23:26.973589  t_fast_syscall+[0 x 01/009x.2685)302] 3f00: c5800b40 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 2750 21:23:26.973929  
 2751 21:23:26.974246  # [  108.9618[3 5 ]1 0E9x.c66e4472] 3f20: 00000000 00000000 c13a1c60 6bf2cfc5 c205cf20 c6a768c0 c6a768c0 c6f52000
 2752 21:23:26.974557  tion stack(0xc6cd[9 f a180 9t.o6 4645] 3f40: b6e3f000 00000000 00000000 00000004 c6f53f94 c6f53f60 c0599194 c0598b00
 2753 21:23:26.974858  0xc6cd9ff0)
 2754 21:23:27.017099  # [[    110098..6986903] 3f60: 00000000 00000000 c6f53fac 6bf2cfc5 00000011 00000011 b6f86e00 00000004
 2755 21:23:27.017642  6896] 9fa0:   [     1 0 9 . 6 9 5073] 3f80: c03002e4 c6f52000 c6f53fa4 c6f53f98 c0599224 c059912c 00000000 c6f53fa8
 2756 21:23:27.017997        0000000a [0 0 0100090.07a0 245] 3fa0: c03000c0 c0599218 00000011 00000011 00000001 b6e3f000 00000011 00000000
 2757 21:23:27.018309  0[0 0 0100090.17 1b564e1967]0 030c0: 00000011 00000011 b6f86e00 00000004 00000001 00000000 00020000 be8fba54
 2758 21:23:27.018613   0000000a 00000[0 0 01
 2759 21:23:27.018901  0
 2760 21:23:27.019186  9#. 7[2 989] 3fe0: 00000004 be8fb788 b6ef14cf b6e777e6 800e0030 00000001 00000000 00000000
 2761 21:23:27.061138   108.975082] 9f[c 0 :1 0090.07030155] Backtrace: 
 2762 21:23:27.061688  00a 0000000a b6fdee00 0000000[4  109.739611] [<c0c2feec>] (lkdtm_ACCESS_USERSPACE) from [<c0c2f018>] (lkdtm_do_action+0x2c/0x4c)
 2763 21:23:27.062041  00000001 00000[0 0 01 0090.072500902]  r6:00000011 r5:c4685000 r4:00000026
 2764 21:23:27.062358  00 be9b3a54
 2765 21:23:27.062661  # [  108[. 9 8130296757518] [<c0c2efec>] (lkdtm_do_action) from [<c0c2f518>] (direct_entry+0x120/0x18c)
 2766 21:23:27.062954  5] 9fe0: 00000004 be9b3788[  b 6109.767779] [<c0c2f3f8>] (direct_entry) from [<c07f6080>] (full_proxy_write+0x64/0x94)
 2767 21:23:27.105319  494cf b6ecf7e6
 2768 21:23:27.105847  [
 2769 21:23:27.106204   #  1[0 9 .17078206]  r9:c6f53f60 r8:c530cd80 r7:00000011 r6:b6e3f000 r5:c6a768c0 r4:c0c2f3f8
 2770 21:23:27.106544  .988330] Code: bad PC va[l u e1
 2771 21:23:27.106879  09.787949] [<c07f601c>] (full_proxy_write) from [<c0598c00>] (vfs_write+0x10c/0x524)
 2772 21:23:27.107222  # [  108.991465] [- - -1[0 9e.n7d8201]  r9:c07f601c r8:c6f53f60 r7:c2816000 r6:b6e3f000 r5:c6a768c0 r4:00000000
 2773 21:23:27.107550   trace dfcb905fa2d201[c a  1]0-9-808027] [<c0598af4>] (vfs_write) from [<c0599194>] (ksys_write+0x74/0xec)
 2774 21:23:27.107875  -
 2775 21:23:27.149230  # EXEC_NUL[L :  1m0i9s.s8i1n7g12]  r10:00000004 r9:00000000 r8:00000000 r7:b6e3f000 r6:c6f52000 r5:c6a768c0
 2776 21:23:27.149765   'call [t r a1c0e9:.'8:2 7[1F4A5I  r4:c6a768c0
 2777 21:23:27.150110  L]
 2778 21:23:27.150420  not ok 36 self[t e s1t0s9:. 831334] [<c0599120>] (ksys_write) from [<c0599224>] (sys_write+0x18/0x1c)
 2779 21:23:27.150728  kdtm: EXEC_NULL[. s h1 0#9 .e8x4i635]  r9:c6f52000 r8:c03002e4 r7:00000004 r6:b6f86e00 r5:00000011 r4:00000011
 2780 21:23:27.151025  t=1
 2781 21:23:27.151308  # selftests: lkd[t m :1 0A9C850376] [<c059920c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 2782 21:23:27.151590  CESS_USERSP[A C E1.0s9h.
 2783 21:23:27.151865  8
 2784 21:23:27.192870  60194] Exception stack(0xc6f53fa8 to 0xc6f53ff0)
 2785 21:23:27.193016  [  109.866895] 3fa0:                   00000011 00000011 00000001 b6e3f000 00000011 00000000
 2786 21:23:27.193101  [  109.875079] 3fc0: 00000011 00000011 b6f86e00 00000004 00000001 00000000 00020000 be8fba54
 2787 21:23:27.193165  [  109.883261] 3fe0: 00000004 be8fb788 b6ef14cf b6e777e6
 2788 21:23:27.193229  [  109.888321] Code: e1a01004 e3010b28 e34c01ad eb1d45fd (e5943000) 
 2789 21:23:27.193291  [  109.894424] ---[ end trace dfcb905fa2d201cb ]---
 2790 21:23:27.193349  # Segmentation fault
 2791 21:23:27.334226  # [  109.402886] lkdtm: Performing direct entry ACCESS_USERSPACE
 2792 21:23:27.334673  # [  109.409910] lkdtm: attempting bad read at b6f85000
 2793 21:23:27.335017  # [  109.417504] 8<--- cut here ---
 2794 21:23:27.335338  # [  109.423370] Unhandled fault: page domain fault (0x01b) at 0xb6f85000
 2795 21:23:27.335669  # [  109.431890] pgd = 2ecdb149
 2796 21:23:27.336023  # [  109.436418] [b6f85000] *pgd=490a0831
 2797 21:23:27.336373  # [  109.442169] Internal error: : 1b [#10] SMP ARM
 2798 21:23:27.377469  # [  109.448948] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv imx_ldb gpu_sched dw_hdmi_imx dw_hdmi parallel_display imxdrm imx_ipu_v3
 2799 21:23:27.378026  # [  109.480654] CPU: 1 PID: 2311 Comm: cat Tainted: G      D W         5.10.153-cip19 #1
 2800 21:23:27.378380  # [  109.490559] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 2801 21:23:27.378704  # [  109.498744] PC is at lkdtm_ACCESS_USERSPACE+0x114/0x16c
 2802 21:23:27.379012  # [  109.506313] LR is at __irq_work_queue_local+0x40/0x74
 2803 21:23:27.425115  # [  109.513870] pc : [<c0c30000>]    lr : [<c049bd54>]    psr: 600e0013
 2804 21:23:27.425661  # [  109.522043] sp : c6f53e38  ip : c6f53d40  fp : c6f53e64
 2805 21:23:27.426012  # [  109.529002] r10: 00000011  r9 : c1ad0c04  r8 : c15e8634
 2806 21:23:27.426335  # [  109.535963] r7 : c6f53f60  r6 : 00000051  r5 : c6f52000  r4 : b6f85000
 2807 21:23:27.426648  # [  109.544310] r3 : 6bf2cfc5  r2 : 6bf2cfc5  r1 : ef7965e0  r0 : 00000026
 2808 21:23:27.426969  # [  109.552660] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 2809 21:23:27.473220  # [  109.561702] Control: 10c5387d  Table: 16f5404a  DAC: 00000051
 2810 21:23:27.473755  # [  109.569270] Process cat (pid: 2311, stack limit = 0x08e4581d)
 2811 21:23:27.474104  # [  109.576923] Stack: (0xc6f53e38 to 0xc6f54000)
 2812 21:23:27.474427  # [  109.583102] 3e20:                                                       00000022 00000000
 2813 21:23:27.474763  # [  109.593189] 3e40: 00000000 6bf2cfc5 c6f53e6c 00000026 c4685000 00000011 c6f53e74 c6f53e68
 2814 21:23:27.475072  # [  109.603446] 3e60: c0c2f018 c0c2fef8 c6f53e9c c6f53e78 c0c2f518 c0c2eff8 c0c2f3f8 c6a768c0
 2815 21:23:27.517208  # [  109.613617] 3e80: b6e3f000 00000011 c530cd80 c6f53f60 c6f53ec4 c6f53ea0 c07f6080 c0c2f404
 2816 21:23:27.517747  # [  109.623788] 3ea0: 00000000 c6a768c0 b6e3f000 c2816000 c6f53f60 c07f601c c6f53f5c c6f53ec8
 2817 21:23:27.518110  # [  109.633959] 3ec0: c0598c00 c07f6028 00000001 00000000 c0599194 c13a1c60 c0599194 c6f52000
 2818 21:23:27.518434  # [  109.644131] 3ee0: b6e3f000 00020000 00000004 00000011 0001ffef c6f53ee0 00000001 b6e3e000
 2819 21:23:27.518744  # [  109.654302] 3f00: c5800b40 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 2820 21:23:27.519061  # [  109.664472] 3f20: 00000000 00000000 c13a1c60 6bf2cfc5 c205cf20 c6a768c0 c6a768c0 c6f52000
 2821 21:23:27.561208  # [  109.674645] 3f40: b6e3f000 00000000 00000000 00000004 c6f53f94 c6f53f60 c0599194 c0598b00
 2822 21:23:27.561721  # [  109.684903] 3f60: 00000000 00000000 c6f53fac 6bf2cfc5 00000011 00000011 b6f86e00 00000004
 2823 21:23:27.562070  # [  109.695073] 3f80: c03002e4 c6f52000 c6f53fa4 c6f53f98 c0599224 c059912c 00000000 c6f53fa8
 2824 21:23:27.562394  # [  109.705245] 3fa0: c03000c0 c0599218 00000011 00000011 00000001 b6e3f000 00000011 00000000
 2825 21:23:27.562704  # [  109.715416] 3fc0: 00000011 00000011 b6f86e00 00000004 00000001 00000000 00020000 be8fba54
 2826 21:23:27.604826  # [  109.724989] 3fe0: 00000004 be8fb788 b6ef14cf b6e777e6 800e0030 00000001 00000000 00000000
 2827 21:23:27.605018  # [  109.735155] Backtrace: 
 2828 21:23:27.605119  # [  109.739611] [<c0c2feec>] (lkdtm_ACCESS_USERSPACE) from [<c0c2f018>] (lkdtm_do_action+0x2c/0x4c)
 2829 21:23:27.605209  # [  109.750902]  r6:00000011 r5:c4685000 r4:00000026
 2830 21:23:27.605298  # [  109.757518] [<c0c2efec>] (lkdtm_do_action) from [<c0c2f518>] (direct_entry+0x120/0x18c)
 2831 21:23:27.605382  # [  109.767779] [<c0c2f3f8>] (direct_entry) from [<c07f6080>] (full_proxy_write+0x64/0x94)
 2832 21:23:27.648819  # [  109.778206]  r9:c6f53f60 r8:c530cd80 r7:00000011 r6:b6e3f000 r5:c6a768c0 r4:c0c2f3f8
 2833 21:23:27.648989  # [  109.787949] [<c07f601c>] (full_proxy_write) from [<c0598c00>] (vfs_write+0x10c/0x524)
 2834 21:23:27.649058  # [  109.798201]  r9:c07f601c r8:c6f53f60 r7:c2816000 r6:b6e3f000 r5:c6a768c0 r4:00000000
 2835 21:23:27.649123  # [  109.808027] [<c0598af4>] (vfs_write) from [<c059[  110.350907] lkdtm: Performing direct entry ACCESS_NULL
 2836 21:23:27.649186  9194>] (ksys_write+0x74/0xec)
 2837 21:23:27.649247  # [  110.356701] lkdtm: attempting bad read at 00000000
 2838 21:23:27.649307  [  109.817412]  r10:00000004 r9:0[  110.364222] 8<--- cut here ---
 2839 21:23:27.693162  0000000 r8:00000000 r7:b6e3f000 r[  110.370156] Unable to handle kernel NULL pointer dereference at virtual address 00000000
 2840 21:23:27.693712  6:c6f52000 r5:c6a768c0
 2841 21:23:27.694063  # [  109.[  110.381222] pgd = 34985a86
 2842 21:23:27.694381  827145]  r4:c6a768c0
 2843 21:23:27.694693  # [  109.83[  110.386693] [00000000] *pgd=00000000
 2844 21:23:27.694993  1334] [<c0599120>] (k[s y s1_1w0r393101] Internal error: Oops: 5 [#11] SMP ARM
 2845 21:23:27.737324  ite) from [<c0599224>] (sys_write[  110.400058] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv imx_ldb gpu_sched dw_hdmi_imx dw_hdmi parallel_display imxdrm imx_ipu_v3
 2846 21:23:27.737882  +0x18/0x1c)
 2847 21:23:27.738243  # [  1[0 9 .18140.0431764] CPU: 3 PID: 2386 Comm: cat Tainted: G      D W         5.10.153-cip19 #1
 2848 21:23:27.738570  35]  r9:[c 6 f151200.0404 1r686:9] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 2849 21:23:27.781063  03002e4 r7:00000004 r6:b[6 f 81610.449942] PC is at lkdtm_ACCESS_NULL+0x28/0x68
 2850 21:23:27.781614  00 r5:00000011[  r 41:1000.040506981] LR is at 0x0
 2851 21:23:27.781972  11
 2852 21:23:27.782291  # [  1[0 9 .181500.347661]50 ] pc : [<c138c714>]    lr : [<00000000>]    psr: 600e0013
 2853 21:23:27.782603  [<c0599[2 0 c1>1]0 .(4s6y9s5_0w8r sp : c6d69e50  ip : 00000027  fp : c6d69e64
 2854 21:23:27.782903  ite) f[r o m1 1[0.<4c7063308000]cr10: 0000000c  r9 : c1ad0c18  r8 : c15e8634
 2855 21:23:27.783196  0>] (ret_f[a s t1_1s0y.s4c8a3l1l68] r7 : c6d69f60  r6 : 0000000c  r5 : c4681000  r4 : 00000000
 2856 21:23:27.783496  0x0/0x2[8 ) 
 2857 21:23:27.783790  1
 2858 21:23:27.825153  1#0 .[4 9 1150194. r3 : 45dad430  r2 : 45dad430  r1 : ef7c05e4  r0 : 00000026
 2859 21:23:27.825748  860194] Except[ i o1n1 0s.t4a9c9k93] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 2860 21:23:27.826145  (0xc6f53fa8[  t o1 100x.c560f85735] Control: 10c5387d  Table: 16e0004a  DAC: 00000051
 2861 21:23:27.826500  ff0)
 2862 21:23:27.826836  # [  1[0 9 .181606.859156]303] Process cat (pid: 2386, stack limit = 0xed9427ec)
 2863 21:23:27.827169  3fa0:        [     1 1 0 . 5 2 3 58] Stack: (0xc6d69e50 to 0xc6d6a000)
 2864 21:23:27.827500   00000011 0000001[1   101000.05030225] 9e40:                                     00000027 c4681000 c6d69e74 c6d69e68
 2865 21:23:27.869139  01 b6e3f000 0000[0 0 1111 00.05040483] 9e60: c0c2f018 c138c6f8 c6d69e9c c6d69e78 c0c2f518 c0c2eff8 c0c2f3f8 c4202280
 2866 21:23:27.869737  0000
 2867 21:23:27.870130  # [  109.[8 7 5101709.]5 53742] 9e80: b6de1000 0000000c c530cd80 c6d69f60 c6d69ec4 c6d69ea0 c07f6080 c0c2f404
 2868 21:23:27.870490  fc0: 00000011[  0 0101000.051610 11] 9ea0: 00000000 c4202280 b6de1000 c2816000 c6d69f60 c07f601c c6d69f5c c6d69ec8
 2869 21:23:27.870837  b6f86e00 0000000[4   101000.05070999] 9ec0: c0598c00 c07f6028 00000001 00000000 c0599194 c4168324 c0599194 c6d68000
 2870 21:23:27.913200  01 00000000 0[0 0 2101000.05 8b1e69] 9ee0: b6de1000 00020000 00000004 0000000c 0001fff4 c6d69ee0 00000001 00000805
 2871 21:23:27.913793  8fba54
 2872 21:23:27.914184  # [ [  1 0191.08.8539216253] 9f00: c6928140 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 2873 21:23:27.914535  ] 3fe0: 00000004[  b e181f0b.76801342] 9f20: 00000000 00000000 c6d68000 45dad430 b6de0000 c4202280 c4202280 c6d68000
 2874 21:23:27.914876   b6ef14cf b6e7[7 7 e161
 2875 21:23:27.915201  0
 2876 21:23:27.915525  .#6 1[1597] 9f40: b6de1000 00000000 00000000 00000004 c6d69f94 c6d69f60 c0599194 c0598b00
 2877 21:23:27.957218   109.888321] Co[d e :1 1e01.a6021770] 9f60: 00000000 00000000 c6d69fac 45dad430 0000000c 0000000c b6f28e00 00000004
 2878 21:23:27.957762  004 e3010b28 [e 3 41c1001.a6d3 1e40] 9f80: c03002e4 c6d68000 c6d69fa4 c6d69f98 c0599224 c059912c 00000000 c6d69fa8
 2879 21:23:27.958124  b1d45fd (e5943[0 0 01)1 0
 2880 21:23:27.958444  .
 2881 21:23:27.958751  6#4 2026] 9fa0: c03000c0 c0599218 0000000c 0000000c 00000001 b6de1000 0000000c 00000000
 2882 21:23:27.959060    109.894424] -[- - [1 1e0n.d6 5t198] 9fc0: 0000000c 0000000c b6f28e00 00000004 00000001 00000000 00020000 beeb1a54
 2883 21:23:28.001185  race dfcb905fa2[d 2 0111c0b. 6]6-369] 9fe0: 00000004 beeb1788 b6e934cf b6e197e6 800e0030 00000001 00000000 00000000
 2884 21:23:28.001773  --
 2885 21:23:28.002158  # ACCESS_USE[R S P1A1C0E.:6 72535] Backtrace: 
 2886 21:23:28.002509  issing 'call trace:': [FAIL]
 2887 21:23:28.002841  not[  110.677083] [<c138c6ec>] (lkdtm_ACCESS_NULL) from [<c0c2f018>] (lkdtm_do_action+0x2c/0x4c)
 2888 21:23:28.003180   ok 37 selft[e s t1s1:0 .l6k8d8t196]  r5:c4681000 r4:00000027
 2889 21:23:28.003501  : ACCESS_USERSPACE.sh #[  e x1i1t.693687] [<c0c2efec>] (lkdtm_do_action) from [<c0c2f518>] (direct_entry+0x120/0x18c)
 2890 21:23:28.003825  =1
 2891 21:23:28.004138  # selftests: lkdtm: A[C C E1S0.704035] [<c0c2f3f8>] (direct_entry) from [<c07f6080>] (full_proxy_write+0x64/0x94)
 2892 21:23:28.045177  S_NULL.sh
 2893 21:23:28.045713  [  110.714372]  r9:c6d69f60 r8:c530cd80 r7:0000000c r6:b6de1000 r5:c4202280 r4:c0c2f3f8
 2894 21:23:28.046062  [  110.723074] [<c07f601c>] (full_proxy_write) from [<c0598c00>] (vfs_write+0x10c/0x524)
 2895 21:23:28.046389  [  110.730911]  r9:c07f601c r8:c6d69f60 r7:c2816000 r6:b6de1000 r5:c4202280 r4:00000000
 2896 21:23:28.046697  [  110.738663] [<c0598af4>] (vfs_write) from [<c0599194>] (ksys_write+0x74/0xec)
 2897 21:23:28.046997  [  110.745809]  r10:00000004 r9:00000000 r8:00000000 r7:b6de1000 r6:c6d68000 r5:c4202280
 2898 21:23:28.047296  [  110.753643]  r4:c4202280
 2899 21:23:28.089055  [  110.756185] [<c0599120>] (ksys_write) from [<c0599224>] (sys_write+0x18/0x1c)
 2900 21:23:28.089566  [  110.763328]  r9:c6d68000 r8:c03002e4 r7:00000004 r6:b6f28e00 r5:0000000c r4:0000000c
 2901 21:23:28.089908  [  110.771083] [<c059920c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 2902 21:23:28.090229  [  110.778658] Exception stack(0xc6d69fa8 to 0xc6d69ff0)
 2903 21:23:28.090537  [  110.783717] 9fa0:                   0000000c 0000000c 00000001 b6de1000 0000000c 00000000
 2904 21:23:28.090840  [  110.791903] 9fc0: 0000000c 0000000c b6f28e00 00000004 00000001 00000000 00020000 beeb1a54
 2905 21:23:28.132833  [  110.800088] 9fe0: 00000004 beeb1788 b6e934cf b6e197e6
 2906 21:23:28.132916  [  110.805149] Code: e3010b28 e34c01ad e1a01004 ebffd438 (e5945000) 
 2907 21:23:28.132995  [  110.811334] ---[ end trace dfcb905fa2d201cc ]---
 2908 21:23:28.133132  # Segmentation fault
 2909 21:23:28.225827  # [  110.350907] lkdtm: Performing direct entry ACCESS_NULL
 2910 21:23:28.225987  # [  110.356701] lkdtm: attempting bad read at 00000000
 2911 21:23:28.226053  # [  110.364222] 8<--- cut here ---
 2912 21:23:28.226141  # [  110.370156] Unable to handle kernel NULL pointer dereference at virtual address 00000000
 2913 21:23:28.226225  # [  110.381222] pgd = 34985a86
 2914 21:23:28.226296  # [  110.386693] [00000000] *pgd=00000000
 2915 21:23:28.226351  # [  110.393101] Internal error: Oops: 5 [#11] SMP ARM
 2916 21:23:28.269349  # [  110.400058] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv imx_ldb gpu_sched dw_hdmi_imx dw_hdmi parallel_display imxdrm imx_ipu_v3
 2917 21:23:28.269905  # [  110.431764] CPU: 3 PID: 2386 Comm: cat Tainted: G      D W         5.10.153-cip19 #1
 2918 21:23:28.270258  # [  110.441669] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 2919 21:23:28.270584  # [  110.449942] PC is at lkdtm_ACCESS_NULL+0x28/0x68
 2920 21:23:28.270890  # [  110.456981] LR is at 0x0
 2921 21:23:28.313210  # [  110.461508] pc : [<c138c714>]    lr : [<00000000>]    psr: 600e0013
 2922 21:23:28.313754  # [  110.469508] sp : c6d69e50  ip : 00000027  fp : c6d69e64
 2923 21:23:28.314108  # [  110.476380] r10: 0000000c  r9 : c1ad0c18  r8 : c15e8634
 2924 21:23:28.314430  # [  110.483168] r7 : c6d69f60  r6 : 0000000c  r5 : c4681000  r4 : 00000000
 2925 21:23:28.314741  # [  110.491514] r3 : 45dad430  r2 : 45dad430  r1 : ef7c05e4  r0 : 00000026
 2926 21:23:28.315041  # [  110.499693] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 2927 21:23:28.315341  # [  110.508735] Control: 10c5387d  Table: 16e0004a  DAC: 00000051
 2928 21:23:28.356921  # [  110.516303] Process cat (pid: 2386, stack limit = 0xed9427ec)
 2929 21:23:28.357124  # [  110.523958] Stack: (0xc6d69e50 to 0xc6d6a000)
 2930 21:23:28.357231  # [  110.530225] 9e40:                                     00000027 c4681000 c6d69e74 c6d69e68
 2931 21:23:28.357339  # [  110.540483] 9e60: c0c2f018 c138c6f8 c6d69e9c c6d69e78 c0c2f518 c0c2eff8 c0c2f3f8 c4202280
 2932 21:23:28.357443  # [  110.550742] 9e80: b6de1000 0000000c c530cd80 c6d69f60 c6d69ec4 c6d69ea0 c07f6080 c0c2f404
 2933 21:23:28.357542  # [  110.560911] 9ea0: 00000000 c4202280 b6de1000 c2816000 c6d69f60 c07f601c c6d69f5c c6d69ec8
 2934 21:23:28.405308  # [  110.570999] 9ec0: c0598c00 c07f6028 00000001 00000000 c0599194 c4168324 c0599194 c6d68000
 2935 21:23:28.405849  # [  110.581169] 9ee0: b6de1000 00020000 00000004 0000000c 0001fff4 c6d69ee0 00000001 00000805
 2936 21:23:28.406204  # [  110.591253] 9f00: c6928140 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 2937 21:23:28.406525  # [  110.601342] 9f20: 00000000 00000000 c6d68000 45dad430 b6de0000 c4202280 c4202280 c6d68000
 2938 21:23:28.406835  # [  110.611597] 9f40: b6de1000 00000000 00000000 00000004 c6d69f94 c6d69f60 c0599194 c0598b00
 2939 21:23:28.448994  # [  110.621770] 9f60: 00000000 00000000 c6d69fac 45dad430 0000000c 0000000c b6f28e00 00000004
 2940 21:23:28.449154  # [  110.631940] 9f80: c03002e4 c6d68000 c6d69fa4 c6d69f98 c0599224 c059912c 00000000 c6d69fa8
 2941 21:23:28.449220  # [  110.642026] 9fa0: c03000c0 c0599218 0000000c 0000000c 00000001 b6de1000 0000000c 00000000
 2942 21:23:28.449281  # [  110.652198] 9fc0: 0000000c 0000000c b6f28e00 00000004 00000001 00000000 00020000 beeb1a54
 2943 21:23:28.449340  # [  110.662369] 9fe0: 00000004 beeb1788 b6e934cf b6e197e6 800e0030 00000001 00000000 00000000
 2944 21:23:28.449397  # [  110.672535] Backtrace: 
 2945 21:23:28.492945  # [  110.677083] [<c138c6ec>] (lkdtm_ACCESS_NULL) from [<c0c2f018>] (lkdtm_do_action+0x2c/0x4c)
 2946 21:23:28.493236  # [  110.688196]  r5:c4681000 r4:00000027
 2947 21:23:28.493405  # [  110.693687] [<c0c2efec>] (lkdtm_do_action) from [<c0c2f518>] (direct_entry+0x120/0x18c)
 2948 21:23:28.493562  # [  110.704035] [<c0c2f3f8>] (direct_entry) from [<c07f6080>] (full_proxy_write+0x64/0x94)
 2949 21:23:28.493706  # [  110.714372]  r9:c6d69f60 r8:c530cd80 r7:0000000c r6:b6de1000 r5:c4202280 r4:c0c2f3f8
 2950 21:23:28.541114  # [  110.723074] [<c07f601c>] (full_proxy_write) from [<c0598c00>] (vfs_write+0x10c/0x524)
 2951 21:23:28.541651  # [  110.730911]  r9:c07f601c r8:c6d69f60 r7:c2816000 r6:b6de1000 r5:c4202280 r4:00000000
 2952 21:23:28.541997  # [  110.738663] [<c0598af4>] (vfs_write) from [<c0599194>] (ksys_write+0x74/0xec)
 2953 21:23:28.542322  # [  110.745809]  r10:00000004 r9:00000000 r8:00000000 r7:b6de1000 r6:c6d68000 r5:c4202280
 2954 21:23:28.542632  # [  110.753643]  r4:c4202280
 2955 21:23:28.542932  # [  110.756185] [<c0599120>] (ks[  111.246593] lkdtm: Performing direct entry WRITE_RO
 2956 21:23:28.543228  ys_write) from [<c059922[4 > ]1 11.252907] lkdtm: attempting bad rodata write at c15e88cc
 2957 21:23:28.585352  sys_write+0x18/0x1c)
 2958 21:23:28.585928  # [  110.76[  111.260889] 8<--- cut here ---
 2959 21:23:28.586312  3328]  r9:c6d6800[0   r181:1c.0236750] Unable to handle kernel paging request at virtual address c15e88cc
 2960 21:23:28.586683  002e4 r7:00000004 [r 6 :1b161f.2276063] pgd = d5e14b5a
 2961 21:23:28.587034  e00 r5:0000000c r4:0000000c
 2962 21:23:28.587363  # [ [  111.280949] [c15e88cc] *pgd=1141941e(bad)
 2963 21:23:28.587685   110.771083] [<c059920c>] (sy[s _111.287837] Internal error: Oops: 80d [#12] SMP ARM
 2964 21:23:28.629151  write) from [<c03000c0>] (ret_fas[  111.295320] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv imx_ldb gpu_sched dw_hdmi_imx dw_hdmi parallel_display imxdrm imx_ipu_v3
 2965 21:23:28.629711  t_syscall+0x0/0x28)
 2966 21:23:28.630059  # [  110.7[7 111.327034] CPU: 3 PID: 2460 Comm: cat Tainted: G      D W         5.10.153-cip19 #1
 2967 21:23:28.630387  8658] Exception[  s t1a1c1k.(303x464] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 2968 21:23:28.630705  c6d69fa8 to 0xc6d69ff0)
 2969 21:23:28.673418  # [  110[  111.346013] PC is at lkdtm_WRITE_RO+0x44/0x50
 2970 21:23:28.674003  .783717] 9fa0:                   [  111.353245] LR is at __irq_work_queue_local+0x40/0x74
 2971 21:23:28.674396  0000000c 0000000c [0 0 0101010.0361147] pc : [<c138c530>]    lr : [<c049bd54>]    psr: 600e0013
 2972 21:23:28.674765   b6de1000 0000000c 0[0 0 0101010.369590] sp : c6905e50  ip : c6905d58  fp : c6905e64
 2973 21:23:28.675112  
 2974 21:23:28.675450  # [  110.7919[0 3 ]1 191f.c3077075] r10: 00000009  r9 : c1ad0c24  r8 : c15e8634
 2975 21:23:28.717191   0000000c 0000000c b[6 f 2181e10.384307] r7 : c6905f60  r6 : 00000009  r5 : c4564000  r4 : c15e88cc
 2976 21:23:28.717779   00000004 0000[0 0 0111 10.030903094] r3 : 0198b861  r2 : aa55aa55  r1 : ef7c05e0  r0 : c1ad1a28
 2977 21:23:28.718169  000 00020000 beeb1a5[4 
 2978 21:23:28.718530   
 2979 21:23:28.718868  1#1 1[.401630] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 2980 21:23:28.719212   110.800088] 9fe0: 00[0 0 0101014411030] Control: 10c5387d  Table: 16da004a  DAC: 00000051
 2981 21:23:28.719542   beeb1788 b6e934cf b6e[ 1 9171e16419038] Process cat (pid: 2460, stack limit = 0x3f8a9c59)
 2982 21:23:28.719864  
 2983 21:23:28.720182  # [  110.805149] [C o d1e1:1 .e27048] Stack: (0xc6905e50 to 0xc6906000)
 2984 21:23:28.760950  3010b28 e34c01ad e1a01004 ebffd43[  111.433590] 5e40:                                     00000028 c4564000 c6905e74 c6905e68
 2985 21:23:28.761098  8 (e5945000) 
 2986 21:23:28.761168  # [  110.811334][  111.444636] 5e60: c0c2f018 c138c4f8 c6905e9c c6905e78 c0c2f518 c0c2eff8 c0c2f3f8 c441b7c0
 2987 21:23:28.761235  ---[ end trace dfcb905fa2d201cc ][  111.455512] 5e80: b6df0000 00000009 c530cd80 c6905f60 c6905ec4 c6905ea0 c07f6080 c0c2f404
 2988 21:23:28.761300  ---
 2989 21:23:28.761362  # ACCESS_NULL: missing 'c[a  111.466554] 5ea0: 00000000 c441b7c0 b6df0000 c2816000 c6905f60 c07f601c c6905f5c c6905ec8
 2990 21:23:28.805110  l trace:': [FAIL]
 2991 21:23:28.805614  not ok 38 s[e  111.477429] 5ec0: c0598c00 c07f6028 00000001 00000000 c0599194 c4169be4 c0599194 c6904000
 2992 21:23:28.805967  ftests: lkdtm: ACCESS_NULL.sh [#  111.488304] 5ee0: b6df0000 00020000 00000004 00000009 0001fff7 c6905ee0 00000001 00000805
 2993 21:23:28.806294  exit=1
 2994 21:23:28.806602  # selftests: lkdtm[:   W111.499176] 5f00: c42aa500 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 2995 21:23:28.806906  ITE_RO.sh
 2996 21:23:28.807198  [  111.509880] 5f20: 00000000 00000000 c6904000 7a377e15 b6def000 c441b7c0 c441b7c0 c6904000
 2997 21:23:28.849083  [  111.519017] 5f40: b6df0000 00000000 00000000 00000004 c6905f94 c6905f60 c0599194 c0598b00
 2998 21:23:28.849540  [  111.527225] 5f60: 00000000 00000000 c6905fac 7a377e15 00000009 00000009 b6f37e00 00000004
 2999 21:23:28.849882  [  111.535433] 5f80: c03002e4 c6904000 c6905fa4 c6905f98 c0599224 c059912c 00000000 c6905fa8
 3000 21:23:28.850201  [  111.543640] 5fa0: c03000c0 c0599218 00000009 00000009 00000001 b6df0000 00000009 00000000
 3001 21:23:28.850510  [  111.551849] 5fc0: 00000009 00000009 b6f37e00 00000004 00000001 00000000 00020000 bedcfa54
 3002 21:23:28.893037  [  111.560056] 5fe0: 00000004 bedcf788 b6ea24cf b6e287e6 800e0030 00000001 00000000 00000000
 3003 21:23:28.893487  [  111.568249] Backtrace: 
 3004 21:23:28.893825  [  111.570761] [<c138c4ec>] (lkdtm_WRITE_RO) from [<c0c2f018>] (lkdtm_do_action+0x2c/0x4c)
 3005 21:23:28.894145  [  111.578794]  r5:c4564000 r4:00000028
 3006 21:23:28.894450  [  111.582411] [<c0c2efec>] (lkdtm_do_action) from [<c0c2f518>] (direct_entry+0x120/0x18c)
 3007 21:23:28.894750  [  111.590458] [<c0c2f3f8>] (direct_entry) from [<c07f6080>] (full_proxy_write+0x64/0x94)
 3008 21:23:28.895047  [  111.598407]  r9:c6905f60 r8:c530cd80 r7:00000009 r6:b6df0000 r5:c441b7c0 r4:c0c2f3f8
 3009 21:23:28.937015  [  111.606191] [<c07f601c>] (full_proxy_write) from [<c0598c00>] (vfs_write+0x10c/0x524)
 3010 21:23:28.937482  [  111.614054]  r9:c07f601c r8:c6905f60 r7:c2816000 r6:b6df0000 r5:c441b7c0 r4:00000000
 3011 21:23:28.937825  [  111.621831] [<c0598af4>] (vfs_write) from [<c0599194>] (ksys_write+0x74/0xec)
 3012 21:23:28.938145  [  111.629000]  r10:00000004 r9:00000000 r8:00000000 r7:b6df0000 r6:c6904000 r5:c441b7c0
 3013 21:23:28.938453  [  111.636849]  r4:c441b7c0
 3014 21:23:28.938751  [  111.639415] [<c0599120>] (ksys_write) from [<c0599224>] (sys_write+0x18/0x1c)
 3015 21:23:28.980955  [  111.646582]  r9:c6904000 r8:c03002e4 r7:00000004 r6:b6f37e00 r5:00000009 r4:00000009
 3016 21:23:28.981097  [  111.654364] [<c059920c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 3017 21:23:28.981191  [  111.661954] Exception stack(0xc6905fa8 to 0xc6905ff0)
 3018 21:23:28.981280  [  111.667034] 5fa0:                   00000009 00000009 00000001 b6df0000 00000009 00000000
 3019 21:23:28.981366  [  111.675242] 5fc0: 00000009 00000009 b6f37e00 00000004 00000001 00000000 00020000 bedcfa54
 3020 21:23:28.981437  [  111.683443] 5fe0: 00000004 bedcf788 b6ea24cf b6e287e6
 3021 21:23:29.024827  [  111.688526] Code: e34a3bcd e3010a28 e34c01ad e0233002 (e5843000) 
 3022 21:23:29.024911  [  111.694656] ---[ end trace dfcb905fa2d201cd ]---
 3023 21:23:29.024977  # Segmentation fault
 3024 21:23:29.121613  # [  111.246593] lkdtm: Performing direct entry WRITE_RO
 3025 21:23:29.122048  # [  111.252907] lkdtm: attempting bad rodata write at c15e88cc
 3026 21:23:29.122388  # [  111.260889] 8<--- cut here ---
 3027 21:23:29.122706  # [  111.266750] Unable to handle kernel paging request at virtual address c15e88cc
 3028 21:23:29.123011  # [  111.276063] pgd = d5e14b5a
 3029 21:23:29.123306  # [  111.280949] [c15e88cc] *pgd=1141941e(bad)
 3030 21:23:29.123599  # [  111.287837] Internal error: Oops: 80d [#12] SMP ARM
 3031 21:23:29.165099  # [  111.295320] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv imx_ldb gpu_sched dw_hdmi_imx dw_hdmi parallel_display imxdrm imx_ipu_v3
 3032 21:23:29.165549  # [  111.327034] CPU: 3 PID: 2460 Comm: cat Tainted: G      D W         5.10.153-cip19 #1
 3033 21:23:29.165897  # [  111.337464] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 3034 21:23:29.166222  # [  111.346013] PC is at lkdtm_WRITE_RO+0x44/0x50
 3035 21:23:29.213026  # [  111.353245] LR is at __irq_work_queue_local+0x40/0x74
 3036 21:23:29.213460  # [  111.361147] pc : [<c138c530>]    lr : [<c049bd54>]    psr: 600e0013
 3037 21:23:29.213804  # [  111.369590] sp : c6905e50  ip : c6905d58  fp : c6905e64
 3038 21:23:29.214120  # [  111.377075] r10: 00000009  r9 : c1ad0c24  r8 : c15e8634
 3039 21:23:29.214426  # [  111.384307] r7 : c6905f60  r6 : 00000009  r5 : c4564000  r4 : c15e88cc
 3040 21:23:29.214725  # [  111.393094] r3 : 0198b861  r2 : aa55aa55  r1 : ef7c05e0  r0 : c1ad1a28
 3041 21:23:29.215021  # [  111.401630] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 3042 21:23:29.260816  # [  111.411030] Control: 10c5387d  Table: 16da004a  DAC: 00000051
 3043 21:23:29.260899  # [  111.419038] Process cat (pid: 2460, stack limit = 0x3f8a9c59)
 3044 21:23:29.260963  # [  111.427048] Stack: (0xc6905e50 to 0xc6906000)
 3045 21:23:29.261023  # [  111.433590] 5e40:                                     00000028 c4564000 c6905e74 c6905e68
 3046 21:23:29.261082  # [  111.444636] 5e60: c0c2f018 c138c4f8 c6905e9c c6905e78 c0c2f518 c0c2eff8 c0c2f3f8 c441b7c0
 3047 21:23:29.261138  # [  111.455512] 5e80: b6df0000 00000009 c530cd80 c6905f60 c6905ec4 c6905ea0 c07f6080 c0c2f404
 3048 21:23:29.308971  # [  111.466554] 5ea0: 00000000 c441b7c0 b6df0000 c2816000 c6905f60 c07f601c c6905f5c c6905ec8
 3049 21:23:29.309405  # [  111.477429] 5ec0: c0598c00 c07f6028 00000001 00000000 c0599194 c4169be4 c0599194 c6904000
 3050 21:23:29.309747  # [  111.488304] 5ee0: b6df0000 00020000 00000004 00000009 0001fff7 c6905ee0 00000001 00000805
 3051 21:23:29.310065  # [  111.499176] 5f00: c42aa500 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 3052 21:23:29.310368  # [  111.509880] 5f20: 00000000 00000000 c6904000 7a377e15 b6def000 c441b7c0 c441b7c0 c6904000
 3053 21:23:29.356913  # [  111.519017] 5f40: b6df0000 00000000 00000000 00000004 c6905f94 c6905f60 c0599194 c0598b00
 3054 21:23:29.357007  # [  111.527225] 5f60: 00000000 00000000 c6905fac 7a377e15 00000009 00000009 b6f37e00 00000004
 3055 21:23:29.357082  # [  111.535433] 5f80: c03002e4 c6904000 c6905fa4 c6905f98 c0599224 c059912c 00000000 c6905fa8
 3056 21:23:29.357149  # [  111.543640] 5fa0: c03000c0 c0599218 00000009 00000009 00000001 b6df0000 00000009 00000000
 3057 21:23:29.357216  # [  111.551849] 5fc0: 00000009 00000009 b6f37e00 00000004 00000001 00000000 00020000 bedcfa54
 3058 21:23:29.357279  # [  111.560056] 5fe0: 00000004 bedcf788 b6ea24cf b6e287e6 800e0030 00000001 00000000 00000000
 3059 21:23:29.400801  # [  111.568249] Backtrace: 
 3060 21:23:29.400896  # [  111.570761] [<c138c4ec>] (lkdtm_WRITE_RO) from [<c0c2f018>] (lkdtm_do_action+0x2c/0x4c)
 3061 21:23:29.400971  # [  111.578794]  r5:c4564000 r4:00000028
 3062 21:23:29.401040  # [  111.582411] [<c0c2efec>] (lkdtm_do_action) from [<c0c2f518>] (direct_entry+0x120/0x18c)
 3063 21:23:29.401122  # [  111.590458] [<c0c2f3f8>] (direct_entry) from [<c07f6080>] (full_proxy_write+0x64/0x94)
 3064 21:23:29.401191  # [  111.598407]  r9:c6905f60 r8:c530cd80 r7:00000009 r6:b6df0000 r5:c441b7c0 r4:c0c2f3f8
 3065 21:23:29.444920  # [  111.606191] [<c07f601c>] (full_proxy_write) from [<c0598c00>] (vfs_write+0x10c/0x524)
 3066 21:23:29.445110  # [  111.614054]  r9:c07f601c r8:c6905f60 r7:c2816000 r6:b6df0000 r5:c441b7c0 r4:00000000
 3067 21:23:29.445204  # [  111.621831] [<c0598af4>] (vfs_write) from [<c0599194>] (ksys_write+0x74/0xec)
 3068 21:23:29.445285  # [  111.629000]  r10:00000004 r9:00000000 r8:00000000 r7:b6df0000 r6:c6904000 r5:c441b7c0
 3069 21:23:29.445362  # [  111.636849]  r4:c441b7c0
 3070 21:23:29.445437  # [  111.639415] [<c0599120>] (ksys[  112.144709] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT
 3071 21:23:29.489005  _write) from [<c0599224>] (sys_wr[  112.151763] lkdtm: attempting bad ro_after_init write at c1b83c60
 3072 21:23:29.489166  ite+0x18/0x1c)
 3073 21:23:29.489234  # [  111.646582] [  112.160704] 8<--- cut here ---
 3074 21:23:29.489297   r9:c6904000[  r 81:1c20.3106062564] Unable to handle kernel paging request at virtual address c1b83c60
 3075 21:23:29.489358  4 r7:00000004 [r 6 :1b162f.3177e5696] pgd = 5f0fd3ac
 3076 21:23:29.489420  0 r5:00000009 r4:0000000[9 
 3077 21:23:29.489479   
 3078 21:23:29.489535  1#12.180395] [c1b83c60] *pgd=11a1941e(bad)
 3079 21:23:29.489593  [  111.654364] [<[c 0 519192.21086839] Internal error: Oops: 80d [#13] SMP ARM
 3080 21:23:29.532923  >] (sys_write) from [<c03000c0>] [  112.193796] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv imx_ldb gpu_sched dw_hdmi_imx dw_hdmi parallel_display imxdrm imx_ipu_v3
 3081 21:23:29.533086  (ret_[f a s1t1_2s.y2s2c5a5l0l0+]0CPU: 1 PID: 2534 Comm: cat Tainted: G      D W         5.10.153-cip19 #1
 3082 21:23:29.533153  x0/0x28)
 3083 21:23:29.533212  [#   [1 1 21.1213.468606] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 3084 21:23:29.577200  954] Exception stack(0xc6[9 0 51f2.243165] PC is at lkdtm_WRITE_RO_AFTER_INIT+0x64/0x70
 3085 21:23:29.577739  a8 to 0xc6905ff0)
 3086 21:23:29.578080  # [  [1 1 11.12.250907] LR is at __irq_work_queue_local+0x40/0x74
 3087 21:23:29.578389  67034] 5f[a 0 :1 1 2 . 2 5 8 3 7 ] pc : [<c138c5a0>]    lr : [<c049bd54>]    psr: 600e0013
 3088 21:23:29.578697        [     1 1020.020606030797 ] sp : c6849e50  ip : c6849d58  fp : c6849e64
 3089 21:23:29.578988  0000009 000[0 0 010112. 2b763d2f51] r10: 00000014  r9 : c1ad0c30  r8 : c15e8634
 3090 21:23:29.620923  000 0000[0 0 0191 20.020800020906] r7 : c6849f60  r6 : 00000014  r5 : c6b55000  r4 : c1b83c60
 3091 21:23:29.621035  
 3092 21:23:29.621120  # [  [1 1 11.1627.52284825]5 75 r3 : fe67479e  r2 : 55aa55aa  r1 : ef7965e0  r0 : c1ad1a28
 3093 21:23:29.621201  fc0: 00000009 [0 0 011020.020996 36] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 3094 21:23:29.621280  b6f37e00 0[0 0 0101020.43 00507077] Control: 10c5387d  Table: 16e0404a  DAC: 00000051
 3095 21:23:29.621354  0001 00000000 [0 0 0121020.0301 3346] Process cat (pid: 2534, stack limit = 0x39401b66)
 3096 21:23:29.621429  edcfa54
 3097 21:23:29.621500  #[  [ 1 1 21.1312.160883] Stack: (0xc6849e50 to 0xc684a000)
 3098 21:23:29.665120  443] 5fe0: 000[0 0 010142 .b3e2d7180] 9e40:                                     00000029 c6b55000 c6849e74 c6849e68
 3099 21:23:29.665640  f788 b6ea24cf b6e2[8 7 e161
 3100 21:23:29.665971  2
 3101 21:23:29.666278  .#337353] 9e60: c0c2f018 c138c548 c6849e9c c6849e78 c0c2f518 c0c2eff8 c0c2f3f8 c4202640
 3102 21:23:29.666581  [  111.688526] [C o d1e1:2 .e3344696] 9e80: b6e3d000 00000014 c530cd80 c6849f60 c6849ec4 c6849ea0 c07f6080 c0c2f404
 3103 21:23:29.666873  a3bcd e3010a28 [e 3 41c1021.a3d5 869] 9ea0: 00000000 c4202640 b6e3d000 c2816000 c6849f60 c07f601c c6849f5c c6849ec8
 3104 21:23:29.667155  e0233002 (e584[3 0 0101)2 .
 3105 21:23:29.667432  36
 3106 21:23:29.708871  8#40] 9ec0: c0598c00 c07f6028 00000001 00000000 c0599194 c13a1c60 c0599194 c6848000
 3107 21:23:29.709016   [  111.6946[5 6 ]1 1-2-.-3[7 8e126] 9ee0: b6e3d000 00020000 00000004 00000014 0001ffec c6849ee0 00000001 b6e3c000
 3108 21:23:29.709087  d trace dfcb9[0 5 f1a122d.230818c11] 9f00: c42abe00 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 3109 21:23:29.709151  d ]---
 3110 21:23:29.709212  # WRITE_R[O :  1m1i2s.s3i8297] 9f20: 00000000 00000000 c13a1c60 69a94ce7 c205cf20 c4202640 c4202640 c6848000
 3111 21:23:29.752948  ng 'call trace[: ' :1 1[2F.A4I0L8554] 9f40: b6e3d000 00000000 00000000 00000004 c6849f94 c6849f60 c0599194 c0598b00
 3112 21:23:29.753093  
 3113 21:23:29.753162  not ok 39 selfte[s t s1:1 2l.k418728] 9f60: 00000000 00000000 c6849fac 69a94ce7 00000014 00000014 b6f84e00 00000004
 3114 21:23:29.753227  tm: WRITE_RO.sh[  #  1e1x2i.t4=21072] 9f80: c03002e4 c6848000 c6849fa4 c6849f98 c0599224 c059912c 00000000 c6849fa8
 3115 21:23:29.753289  
 3116 21:23:29.753348  # selftests: [l k d1t1m2:. 4W3R244] 9fa0: c03000c0 c0599218 00000014 00000014 00000001 b6e3d000 00000014 00000000
 3117 21:23:29.753406  ITE_RO_AFTER_IN[I T .1s1h2
 3118 21:23:29.753464  .
 3119 21:23:29.753520  449414] 9fc0: 00000014 00000014 b6f84e00 00000004 00000001 00000000 00020000 be878a54
 3120 21:23:29.797073  
 3121 21:23:29.797496  [  112.459499] 9fe0: 00000004 be878788 b6eef4cf b6e757e6 800e0030 00000001 00000000 00000000
 3122 21:23:29.797829  [  112.467677] Backtrace: 
 3123 21:23:29.798136  [  112.470150] [<c138c53c>] (lkdtm_WRITE_RO_AFTER_INIT) from [<c0c2f018>] (lkdtm_do_action+0x2c/0x4c)
 3124 21:23:29.798437  [  112.479114]  r5:c6b55000 r4:00000029
 3125 21:23:29.798725  [  112.482704] [<c0c2efec>] (lkdtm_do_action) from [<c0c2f518>] (direct_entry+0x120/0x18c)
 3126 21:23:29.799005  [  112.490724] [<c0c2f3f8>] (direct_entry) from [<c07f6080>] (full_proxy_write+0x64/0x94)
 3127 21:23:29.841135  [  112.498649]  r9:c6849f60 r8:c530cd80 r7:00000014 r6:b6e3d000 r5:c4202640 r4:c0c2f3f8
 3128 21:23:29.841634  [  112.506406] [<c07f601c>] (full_proxy_write) from [<c0598c00>] (vfs_write+0x10c/0x524)
 3129 21:23:29.841973  [  112.514245]  r9:c07f601c r8:c6849f60 r7:c2816000 r6:b6e3d000 r5:c4202640 r4:00000000
 3130 21:23:29.842287  [  112.521996] [<c0598af4>] (vfs_write) from [<c0599194>] (ksys_write+0x74/0xec)
 3131 21:23:29.842587  [  112.529141]  r10:00000004 r9:00000000 r8:00000000 r7:b6e3d000 r6:c6848000 r5:c4202640
 3132 21:23:29.842878  [  112.536974]  r4:c4202640
 3133 21:23:29.885092  [  112.539518] [<c0599120>] (ksys_write) from [<c0599224>] (sys_write+0x18/0x1c)
 3134 21:23:29.885527  [  112.546660]  r9:c6848000 r8:c03002e4 r7:00000004 r6:b6f84e00 r5:00000014 r4:00000014
 3135 21:23:29.885872  [  112.554415] [<c059920c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 3136 21:23:29.886195  [  112.561989] Exception stack(0xc6849fa8 to 0xc6849ff0)
 3137 21:23:29.886504  [  112.567049] 9fa0:                   00000014 00000014 00000001 b6e3d000 00000014 00000000
 3138 21:23:29.886807  [  112.575234] 9fc0: 00000014 00000014 b6f84e00 00000004 00000001 00000000 00020000 be878a54
 3139 21:23:29.887102  [  112.583417] 9fe0: 00000004 be878788 b6eef4cf b6e757e6
 3140 21:23:29.928797  [  112.588478] Code: e34a3bcd e3010a28 e34c01ad e0233002 (e5843000) 
 3141 21:23:29.928883  [  112.594583] ---[ end trace dfcb905fa2d201ce ]---
 3142 21:23:29.928949  # Segmentation fault
 3143 21:23:30.040996  # [  112.144709] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT
 3144 21:23:30.041149  # [  112.151763] lkdtm: attempting bad ro_after_init write at c1b83c60
 3145 21:23:30.041216  # [  112.160704] 8<--- cut here ---
 3146 21:23:30.041278  # [  112.166564] Unable to handle kernel paging request at virtual address c1b83c60
 3147 21:23:30.041350  # [  112.175696] pgd = 5f0fd3ac
 3148 21:23:30.041411  # [  112.180395] [c1b83c60] *pgd=11a1941e(bad)
 3149 21:23:30.041470  # [  112.186839] Internal error: Oops: 80d [#13] SMP ARM
 3150 21:23:30.088986  # [  112.193796] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv imx_ldb gpu_sched dw_hdmi_imx dw_hdmi parallel_display imxdrm imx_ipu_v3
 3151 21:23:30.089272  # [  112.225500] CPU: 1 PID: 2534 Comm: cat Tainted: G      D W         5.10.153-cip19 #1
 3152 21:23:30.089442  # [  112.234806] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 3153 21:23:30.089597  # [  112.243165] PC is at lkdtm_WRITE_RO_AFTER_INIT+0x64/0x70
 3154 21:23:30.089744  # [  112.250907] LR is at __irq_work_queue_local+0x40/0x74
 3155 21:23:30.133369  # [  112.258376] pc : [<c138c5a0>]    lr : [<c049bd54>]    psr: 600e0013
 3156 21:23:30.133965  # [  112.266377] sp : c6849e50  ip : c6849d58  fp : c6849e64
 3157 21:23:30.134353  # [  112.273251] r10: 00000014  r9 : c1ad0c30  r8 : c15e8634
 3158 21:23:30.134706  # [  112.280296] r7 : c6849f60  r6 : 00000014  r5 : c6b55000  r4 : c1b83c60
 3159 21:23:30.135045  # [  112.288557] r3 : fe67479e  r2 : 55aa55aa  r1 : ef7965e0  r0 : c1ad1a28
 3160 21:23:30.135377  # [  112.296736] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 3161 21:23:30.135707  # [  112.305777] Control: 10c5387d  Table: 16e0404a  DAC: 00000051
 3162 21:23:30.177196  # [  112.313346] Process cat (pid: 2534, stack limit = 0x39401b66)
 3163 21:23:30.177784  # [  112.321084] Stack: (0xc6849e50 to 0xc684a000)
 3164 21:23:30.178166  # [  112.327180] 9e40:                                     00000029 c6b55000 c6849e74 c6849e68
 3165 21:23:30.178521  # [  112.337353] 9e60: c0c2f018 c138c548 c6849e9c c6849e78 c0c2f518 c0c2eff8 c0c2f3f8 c4202640
 3166 21:23:30.178855  # [  112.347696] 9e80: b6e3d000 00000014 c530cd80 c6849f60 c6849ec4 c6849ea0 c07f6080 c0c2f404
 3167 21:23:30.179184  # [  112.357869] 9ea0: 00000000 c4202640 b6e3d000 c2816000 c6849f60 c07f601c c6849f5c c6849ec8
 3168 21:23:30.221209  # [  112.368040] 9ec0: c0598c00 c07f6028 00000001 00000000 c0599194 c13a1c60 c0599194 c6848000
 3169 21:23:30.221755  # [  112.378126] 9ee0: b6e3d000 00020000 00000004 00000014 0001ffec c6849ee0 00000001 b6e3c000
 3170 21:23:30.222112  # [  112.388211] 9f00: c42abe00 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 3171 21:23:30.222435  # [  112.398297] 9f20: 00000000 00000000 c13a1c60 69a94ce7 c205cf20 c4202640 c4202640 c6848000
 3172 21:23:30.222743  # [  112.408554] 9f40: b6e3d000 00000000 00000000 00000004 c6849f94 c6849f60 c0599194 c0598b00
 3173 21:23:30.265123  # [  112.418728] 9f60: 00000000 00000000 c6849fac 69a94ce7 00000014 00000014 b6f84e00 00000004
 3174 21:23:30.265629  # [  112.429072] 9f80: c03002e4 c6848000 c6849fa4 c6849f98 c0599224 c059912c 00000000 c6849fa8
 3175 21:23:30.265974  # [  112.439244] 9fa0: c03000c0 c0599218 00000014 00000014 00000001 b6e3d000 00000014 00000000
 3176 21:23:30.266292  # [  112.449414] 9fc0: 00000014 00000014 b6f84e00 00000004 00000001 00000000 00020000 be878a54
 3177 21:23:30.266601  # [  112.459499] 9fe0: 00000004 be878788 b6eef4cf b6e757e6 800e0030 00000001 00000000 00000000
 3178 21:23:30.266900  # [  112.467677] Backtrace: 
 3179 21:23:30.309340  # [  112.470150] [<c138c53c>] (lkdtm_WRITE_RO_AFTER_INIT) from [<c0c2f018>] (lkdtm_do_action+0x2c/0x4c)
 3180 21:23:30.309927  # [  112.479114]  r5:c6b55000 r4:00000029
 3181 21:23:30.310314  # [  112.482704] [<c0c2efec>] (lkdtm_do_action) from [<c0c2f518>] (direct_entry+0x120/0x18c)
 3182 21:23:30.310670  # [  112.490724] [<c0c2f3f8>] (direct_entry) from [<c07f6080>] (full_proxy_write+0x64/0x94)
 3183 21:23:30.311013  # [  112.498649]  r9:c6849f60 r8:c530cd80 r7:00000014 r6:b6e3d000 r5:c4202640 r4:c0c2f3f8
 3184 21:23:30.353102  # [  112.506406] [<c07f601c>] (full_proxy_write) from [<c0598c00>] (vfs_write+0x10c/0x524)
 3185 21:23:30.353638  # [  112.514245]  r9:c07f601c r8:c6849f60 r7:c2816000 r6:b6e3d000 r5:c4202640 r4:00000000
 3186 21:23:30.353984  # [  112.521996] [<c0598af4>] (vfs_write) from [<c0599194>] (ksys_write+0x74/0xec)
 3187 21:23:30.354304  # [  112.529141]  r10:00000004 r9:00000000 r8:00000000 r7:b6e3d000 r6:c6848000 r5:c4202640
 3188 21:23:30.354614  # [  112.536974]  r4:c4202640
 3189 21:23:30.354913  # [  112.539518] [<c0599120>] (ksys_write) from [<c0599224>] (sys_write+0x18/0x1c)
 3190 21:23:30.397181  # [  112.546660]  r9:c6848000 r8:c03002e4 r7:00000004 r6:b6f[  113.072722] lkdtm: Performing direct entry WRITE_KERN
 3191 21:23:30.397723  84e00 r5:00000014 r4:00000014
 3192 21:23:30.398074  # [  113.078523] lkdtm: attempting bad 7718540 byte write at c138c414
 3193 21:23:30.398392  [  112.554415] [<c059920c>] (sys_[  113.087515] 8<--- cut here ---
 3194 21:23:30.398703  write) from [<c[0 3 010103c.009>3244] Unable to handle kernel paging request at virtual address c138c414
 3195 21:23:30.399006   (ret_fast_syscall+[0 x 01/103x.202462] pgd = ea549869
 3196 21:23:30.399300  8)
 3197 21:23:30.399596  # [  112.561989] Exceptio[n  113.107332] [c138c414] *pgd=1121940e(bad)
 3198 21:23:30.441312  stack(0xc6849fa8 to 0xc68[4 9 f1f3.113949] Internal error: Oops: 80d [#14] SMP ARM
 3199 21:23:30.441907  0)
 3200 21:23:30.442302  # [  112.567049] 9fa0:       [  113.121247] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv imx_ldb gpu_sched dw_hdmi_imx dw_hdmi parallel_display imxdrm imx_ipu_v3
 3201 21:23:30.442680              00000014 0000[0 0 1143.152947] CPU: 2 PID: 2608 Comm: cat Tainted: G      D W         5.10.153-cip19 #1
 3202 21:23:30.485367   00000001 b6[e 3 d101030. 106030109] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 3203 21:23:30.485953  0014 00000000
 3204 21:23:30.486344  # [  112.[5 7 51213.171548] PC is at memcpy+0x50/0x330
 3205 21:23:30.486701  4] 9fc0: 0000001[4   0101030.1070720] LR is at 0xe92dd830
 3206 21:23:30.487051  14 b6f84e00 000000[0 4  101030.0182854] pc : [<c08ce0f0>]    lr : [<e92dd830>]    psr: 200e0013
 3207 21:23:30.487392  001 00000000 0[0 0 2101030.01 9b1283] sp : c68d3e2c  ip : e1a0c00d  fp : c68d3e64
 3208 21:23:30.487725  878a54
 3209 21:23:30.488050  # [ [  1 1121.35.8139481500] r10: 0000000b  r9 : c1ad0c44  r8 : e89da800
 3210 21:23:30.529198  ] 9fe0: 0000000[4   b1e1837.28075632] r7 : e8bd4000  r6 : e52de004  r5 : e24cb004  r4 : e92dd800
 3211 21:23:30.529780  8 b6eef4cf b6e7[5 7 e161
 3212 21:23:30.530166  3
 3213 21:23:30.530519  .#2 1[150] r3 : e1a0c00d  r2 : 0075c5ec  r1 : c0c2fda8  r0 : c138c414
 3214 21:23:30.530872    112.588478] Co[d e :1 1e33.42a22671] Flags: nzCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 3215 21:23:30.531286  bcd e3010a28 e[3 4 c10113a.d2 3e1883] Control: 10c5387d  Table: 16db004a  DAC: 00000051
 3216 21:23:30.531624  233002 (e5843000) [
 3217 21:23:30.531957   
 3218 21:23:30.532275   1#1 3[. 2 9622] Process cat (pid: 2608, stack limit = 0xd1eab938)
 3219 21:23:30.573113  112.594583] --[- [  1e1n3d. 2t4r7443] Stack: (0xc68d3e2c to 0xc68d4000)
 3220 21:23:30.573685  ce dfcb905fa2d201ce ]--[- 
 3221 21:23:30.574041   
 3222 21:23:30.574361  1#1 .253797] 3e20:                            c0c2fd88 0075c68c c68d3f60 c15e8634 c138c414
 3223 21:23:30.574682  WRITE_RO_AFTER_INIT[:   m1i1s3s.i64310] 3e40: c138c414 c138c5f8 0000002a c4584000 0000000b c68d3f60 c68d3e74 c68d3e68
 3224 21:23:30.574989  ng 'call trace:': [FAIL[] 
 3225 21:23:30.575285   
 3226 21:23:30.575574  1n1o.274654] 3e60: c0c2f018 c138c5b8 c68d3e9c c68d3e78 c0c2f518 c0c2eff8 c0c2f3f8 c4416640
 3227 21:23:30.617321  t ok 40 selftests: lk[d t m1:1 3W285167] 3e80: b6e25000 0000000b c530cd80 c68d3f60 c68d3ec4 c68d3ea0 c07f6080 c0c2f404
 3228 21:23:30.617917  RITE_RO_AFTER_INIT.sh[  #  1e1x3i295595] 3ea0: 00000000 c4416640 b6e25000 c2816000 c68d3f60 c07f601c c68d3f5c c68d3ec8
 3229 21:23:30.618312  t=1
 3230 21:23:30.618668  # selftests: lk[d t m1:1 3W.306025] 3ec0: c0598c00 c07f6028 00000001 00000000 c0599194 c13a1c60 c0599194 c68d2000
 3231 21:23:30.619009  ITE_KERN.sh
 3232 21:23:30.619336  [  113.316452] 3ee0: b6e25000 00020000 00000004 0000000b 0001fff5 c68d3ee0 00000001 b6e24000
 3233 21:23:30.619661  [  113.325751] 3f00: c5f243c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 3234 21:23:30.661169  [  113.333940] 3f20: 00000000 00000000 c13a1c60 561131c0 c205cf20 c4416640 c4416640 c68d2000
 3235 21:23:30.661761  [  113.342126] 3f40: b6e25000 00000000 00000000 00000004 c68d3f94 c68d3f60 c0599194 c0598b00
 3236 21:23:30.662151  [  113.350312] 3f60: 00000000 00000000 c68d3fac 561131c0 0000000b 0000000b b6f6ce00 00000004
 3237 21:23:30.662504  [  113.358497] 3f80: c03002e4 c68d2000 c68d3fa4 c68d3f98 c0599224 c059912c 00000000 c68d3fa8
 3238 21:23:30.662843  [  113.366684] 3fa0: c03000c0 c0599218 0000000b 0000000b 00000001 b6e25000 0000000b 00000000
 3239 21:23:30.704832  [  113.374871] 3fc0: 0000000b 0000000b b6f6ce00 00000004 00000001 00000000 00020000 be92fa54
 3240 21:23:30.704990  [  113.383055] 3fe0: 00000004 be92f788 b6ed74cf b6e5d7e6 800e0030 00000001 00000000 00000000
 3241 21:23:30.705093  [  113.391235] Backtrace: 
 3242 21:23:30.705153  [  113.393710] [<c138c5ac>] (lkdtm_WRITE_KERN) from [<c0c2f018>] (lkdtm_do_action+0x2c/0x4c)
 3243 21:23:30.705247  [  113.401897]  r7:c68d3f60 r6:0000000b r5:c4584000 r4:0000002a
 3244 21:23:30.705303  [  113.407570] [<c0c2efec>] (lkdtm_do_action) from [<c0c2f518>] (direct_entry+0x120/0x18c)
 3245 21:23:30.748935  [  113.415588] [<c0c2f3f8>] (direct_entry) from [<c07f6080>] (full_proxy_write+0x64/0x94)
 3246 21:23:30.749095  [  113.423514]  r9:c68d3f60 r8:c530cd80 r7:0000000b r6:b6e25000 r5:c4416640 r4:c0c2f3f8
 3247 21:23:30.749176  [  113.431270] [<c07f601c>] (full_proxy_write) from [<c0598c00>] (vfs_write+0x10c/0x524)
 3248 21:23:30.749280  [  113.439111]  r9:c07f601c r8:c68d3f60 r7:c2816000 r6:b6e25000 r5:c4416640 r4:00000000
 3249 21:23:30.749340  [  113.446864] [<c0598af4>] (vfs_write) from [<c0599194>] (ksys_write+0x74/0xec)
 3250 21:23:30.749396  [  113.454008]  r10:00000004 r9:00000000 r8:00000000 r7:b6e25000 r6:c68d2000 r5:c4416640
 3251 21:23:30.749452  [  113.461841]  r4:c4416640
 3252 21:23:30.792949  [  113.464383] [<c0599120>] (ksys_write) from [<c0599224>] (sys_write+0x18/0x1c)
 3253 21:23:30.793209  [  113.471527]  r9:c68d2000 r8:c03002e4 r7:00000004 r6:b6f6ce00 r5:0000000b r4:0000000b
 3254 21:23:30.793363  [  113.479282] [<c059920c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 3255 21:23:30.793505  [  113.486857] Exception stack(0xc68d3fa8 to 0xc68d3ff0)
 3256 21:23:30.793634  [  113.491916] 3fa0:                   0000000b 0000000b 00000001 b6e25000 0000000b 00000000
 3257 21:23:30.793755  [  113.500101] 3fc0: 0000000b 0000000b b6f6ce00 00000004 00000001 00000000 00020000 be92fa54
 3258 21:23:30.836883  [  113.508285] 3fe0: 00000004 be92f788 b6ed74cf b6e5d7e6
 3259 21:23:30.837024  [  113.513345] Code: f5d1f05c f5d1f07c e8b151f8 e2522020 (e8a051f8) 
 3260 21:23:30.837104  [  113.519448] ---[ end trace dfcb905fa2d201cf ]---
 3261 21:23:30.837178  # Segmentation fault
 3262 21:23:30.949511  # [  113.072722] lkdtm: Performing direct entry WRITE_KERN
 3263 21:23:30.949602  # [  113.078523] lkdtm: attempting bad 7718540 byte write at c138c414
 3264 21:23:30.949670  # [  113.087515] 8<--- cut here ---
 3265 21:23:30.949731  # [  113.093244] Unable to handle kernel paging request at virtual address c138c414
 3266 21:23:30.949791  # [  113.102462] pgd = ea549869
 3267 21:23:30.949847  # [  113.107332] [c138c414] *pgd=1121940e(bad)
 3268 21:23:30.949903  # [  113.113949] Internal error: Oops: 80d [#14] SMP ARM
 3269 21:23:30.996756  # [  113.121247] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv imx_ldb gpu_sched dw_hdmi_imx dw_hdmi parallel_display imxdrm imx_ipu_v3
 3270 21:23:30.996844  # [  113.152947] CPU: 2 PID: 2608 Comm: cat Tainted: G      D W         5.10.153-cip19 #1
 3271 21:23:30.996911  # [  113.163109] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 3272 21:23:30.996974  # [  113.171548] PC is at memcpy+0x50/0x330
 3273 21:23:30.997033  # [  113.177720] LR is at 0xe92dd830
 3274 21:23:31.041127  # [  113.182854] pc : [<c08ce0f0>]    lr : [<e92dd830>]    psr: 200e0013
 3275 21:23:31.041689  # [  113.191283] sp : c68d3e2c  ip : e1a0c00d  fp : c68d3e64
 3276 21:23:31.042140  # [  113.198500] r10: 0000000b  r9 : c1ad0c44  r8 : e89da800
 3277 21:23:31.042471  # [  113.205632] r7 : e8bd4000  r6 : e52de004  r5 : e24cb004  r4 : e92dd800
 3278 21:23:31.042786  # [  113.214150] r3 : e1a0c00d  r2 : 0075c5ec  r1 : c0c2fda8  r0 : c138c414
 3279 21:23:31.043116  # [  113.222671] Flags: nzCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 3280 21:23:31.043428  # [  113.231883] Control: 10c5387d  Table: 16db004a  DAC: 00000051
 3281 21:23:31.085173  # [  113.239622] Process cat (pid: 2608, stack limit = 0xd1eab938)
 3282 21:23:31.085804  # [  113.247443] Stack: (0xc68d3e2c to 0xc68d4000)
 3283 21:23:31.086248  # [  113.253797] 3e20:                            c0c2fd88 0075c68c c68d3f60 c15e8634 c138c414
 3284 21:23:31.086672  # [  113.264310] 3e40: c138c414 c138c5f8 0000002a c4584000 0000000b c68d3f60 c68d3e74 c68d3e68
 3285 21:23:31.087052  # [  113.274654] 3e60: c0c2f018 c138c5b8 c68d3e9c c68d3e78 c0c2f518 c0c2eff8 c0c2f3f8 c4416640
 3286 21:23:31.087391  # [  113.285167] 3e80: b6e25000 0000000b c530cd80 c68d3f60 c68d3ec4 c68d3ea0 c07f6080 c0c2f404
 3287 21:23:31.129233  
 3288 21:23:31.129809  # [  113.295595] 3ea0: 00000000 c4416640 b6e25000 c2816000 c68d3f60 c07f601c c68d3f5c c68d3ec8
 3289 21:23:31.130172  # [  113.306025] 3ec0: c0598c00 c07f6028 00000001 00000000 c0599194 c13a1c60 c0599194 c68d2000
 3290 21:23:31.130495  # [  113.316452] 3ee0: b6e25000 00020000 00000004 0000000b 0001fff5 c68d3ee0 00000001 b6e24000
 3291 21:23:31.130809  # [  113.325751] 3f00: c5f243c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 3292 21:23:31.131116  # [  113.333940] 3f20: 00000000 00000000 c13a1c60 561131c0 c205cf20 c4416640 c4416640 c68d2000
 3293 21:23:31.177108  # [  113.342126] 3f40: b6e25000 00000000 00000000 00000004 c68d3f94 c68d3f60 c0599194 c0598b00
 3294 21:23:31.177725  # [  113.350312] 3f60: 00000000 00000000 c68d3fac 561131c0 0000000b 0000000b b6f6ce00 00000004
 3295 21:23:31.178086  # [  113.358497] 3f80: c03002e4 c68d2000 c68d3fa4 c68d3f98 c0599224 c059912c 00000000 c68d3fa8
 3296 21:23:31.178415  # [  113.366684] 3fa0: c03000c0 c0599218 0000000b 0000000b 00000001 b6e25000 0000000b 00000000
 3297 21:23:31.178730  # [  113.374871] 3fc0: 0000000b 0000000b b6f6ce00 00000004 00000001 00000000 00020000 be92fa54
 3298 21:23:31.221339  # [  113.383055] 3fe0: 00000004 be92f788 b6ed74cf b6e5d7e6 800e0030 00000001 00000000 00000000
 3299 21:23:31.221890  # [  113.391235] Backtrace: 
 3300 21:23:31.222241  # [  113.393710] [<c138c5ac>] (lkdtm_WRITE_KERN) from [<c0c2f018>] (lkdtm_do_action+0x2c/0x4c)
 3301 21:23:31.222566  # [  113.401897]  r7:c68d3f60 r6:0000000b r5:c4584000 r4:0000002a
 3302 21:23:31.222876  # [  113.407570] [<c0c2efec>] (lkdtm_do_action) from [<c0c2f518>] (direct_entry+0x120/0x18c)
 3303 21:23:31.223180  # [  113.415588] [<c0c2f3f8>] (direct_entry) from [<c07f6080>] (full_proxy_write+0x64/0x94)
 3304 21:23:31.265329  # [  113.423514]  r9:c68d3f60 r8:c530cd80 r7:0000000b r6:b6e25000 r5:c4416640 r4:c0c2f3f8
 3305 21:23:31.265920  # [  113.431270] [<c07f601c>] (full_proxy_write) from [<c0598c00>] (vfs_write+0x10c/0x524)
 3306 21:23:31.266313  # [  113.439111]  r9:c07f601c r8:c68d3f60 r7:c2816000 r6:b6e25000 r5:c4416640 r4:00000000
 3307 21:23:31.266680  # [  113.446864] [<c0598af4>] (vfs_write) from [<c0599194>] (ksys_write+0x74/0xec)
 3308 21:23:31.267045  # [  113.454008]  r10:00000004 r9:00000000 r8:00000000 r7:b6e25000 r6:c68d2000 r5:c4416640
 3309 21:23:31.267552  # [  113.461841]  r4:c4416640
 3310 21:23:31.309224  # [  113.464383] [<c0599120>] (ksys_write) from [<c0599224>] (sys_write+0x18/0x1c)
 3311 21:23:31.309817  # [  113.471527]  r9:c68d2000 r8:c03002e4 r7:00000004 r6:b6f6ce00 r5:0000000b r4:0000000b
 3312 21:23:31.310210  # [  113.479282] [<c059920c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 3313 21:23:31.310570  # [  113.486857] Exception stack(0xc68d3fa8 to 0xc68d3ff0)
 3314 21:23:31.310917  # [  113.491916] 3fa0:                   0000000b 0000000b 00000001 b6e25000 000[  114.014684] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW
 3315 21:23:31.311259  0000b 00000000
 3316 21:23:31.352757  # [  113.500101] [  114.021245] lkdtm: attempting good refcount_inc() without overflow
 3317 21:23:31.352898  3fc0: 0000000b 0000000b b6f6ce00 [  114.030346] lkdtm: attempting bad refcount_inc() overflow
 3318 21:23:31.352968  00000004 00000001 00000000 000200[  114.038577] ------------[ cut here ]------------
 3319 21:23:31.353032  00 be92fa54
 3320 21:23:31.353093  # [  113.508285] 3fe[  114.046118] WARNING: CPU: 1 PID: 2683 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174
 3321 21:23:31.353152  0: 00000004 be92f788 b6ed74cf b6e[  114.057341] refcount_t: saturated; leaking memory.
 3322 21:23:31.353211  5d7e6
 3323 21:23:31.397198  # [  113.513345] Code: f5d[  114.064945] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv imx_ldb gpu_sched dw_hdmi_imx dw_hdmi parallel_display imxdrm imx_ipu_v3
 3324 21:23:31.397759  1f05c f5d1f07c e8b151f8 e2522020 [  114.096693] CPU: 1 PID: 2683 Comm: cat Tainted: G      D W         5.10.153-cip19 #1
 3325 21:23:31.398127  (e8a051f8) [
 3326 21:23:31.398449   
 3327 21:23:31.441170   #1 1[4 . 1101732.8] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 3328 21:23:31.441762  519448] ---[ end [t r a1c1e4 .d1f5596] Backtrace: 
 3329 21:23:31.442165  cb905fa2d201cf ]---
 3330 21:23:31.442521  # WRITE_KERN[  114.120144] [<c137e9d0>] (dump_backtrace) from [<c137ed90>] (show_stack+0x20/0x24)
 3331 21:23:31.442870  : missing 'call [t r a1c14e.:1'3:562]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4
 3332 21:23:31.443206   [FAIL]
 3333 21:23:31.443531  not ok 41 s[e l f1t1e4s.138219] [<c137ed70>] (show_stack) from [<c1385f0c>] (dump_stack+0xe0/0x100)
 3334 21:23:31.443863  s: lkdtm: WRITE_KERN.s[h   #1 1e4.147785] [<c1385e2c>] (dump_stack) from [<c03566f0>] (__warn+0xfc/0x16c)
 3335 21:23:31.444186  it=1
 3336 21:23:31.485001  # selftes[t s :1 1l4k.d1t5m084]  r9:00000009 r8:c086e50c r7:00000016 r6:00000009 r5:c086e50c r4:c1a24cf0
 3337 21:23:31.485205  : REFCOUNT_INC_OVERF[L O W1.1s4h.166824] [<c03565f4>] (__warn) from [<c137feb0>] (warn_slowpath_fmt+0x8c/0xa8)
 3338 21:23:31.485312  
 3339 21:23:31.485413  [  114.176557]  r7:00000016 r6:c1a24cf0 r5:c1a24cc8 r4:c6ab0000
 3340 21:23:31.485509  [  114.182309] [<c137fe28>] (warn_slowpath_fmt) from [<c086e50c>] (refcount_warn_saturate+0xd4/0x174)
 3341 21:23:31.485601  [  114.191277]  r9:c1ad0c50 r8:c15e8634 r7:c6ab1f60 r6:00000016 r5:c4685000 r4:c6ab0000
 3342 21:23:31.529302  [  114.199033] [<c086e438>] (refcount_warn_saturate) from [<c0c3009c>] (__refcount_add.constprop.0+0x44/0x58)
 3343 21:23:31.529787  [  114.208699] [<c0c30058>] (__refcount_add.constprop.0) from [<c138ca28>] (lkdtm_REFCOUNT_INC_OVERFLOW+0x78/0x9c)
 3344 21:23:31.530139  [  114.218802] [<c138c9b0>] (lkdtm_REFCOUNT_INC_OVERFLOW) from [<c0c2f018>] (lkdtm_do_action+0x2c/0x4c)
 3345 21:23:31.530499  [  114.227937]  r4:0000002b
 3346 21:23:31.530937  [  114.230482] [<c0c2efec>] (lkdtm_do_action) from [<c0c2f518>] (direct_entry+0x120/0x18c)
 3347 21:23:31.573330  [  114.238500] [<c0c2f3f8>] (direct_entry) from [<c07f6080>] (full_proxy_write+0x64/0x94)
 3348 21:23:31.573872  [  114.246426]  r9:c6ab1f60 r8:c530cd80 r7:00000016 r6:b6ea9000 r5:c43448c0 r4:c0c2f3f8
 3349 21:23:31.574229  [  114.254183] [<c07f601c>] (full_proxy_write) from [<c0598c00>] (vfs_write+0x10c/0x524)
 3350 21:23:31.574554  [  114.262021]  r9:c07f601c r8:c6ab1f60 r7:c2816000 r6:b6ea9000 r5:c43448c0 r4:00000000
 3351 21:23:31.574868  [  114.269773] [<c0598af4>] (vfs_write) from [<c0599194>] (ksys_write+0x74/0xec)
 3352 21:23:31.575174  [  114.276916]  r10:00000004 r9:00000000 r8:00000000 r7:b6ea9000 r6:c6ab0000 r5:c43448c0
 3353 21:23:31.575473  [  114.284748]  r4:c43448c0
 3354 21:23:31.617296  [  114.287293] [<c0599120>] (ksys_write) from [<c0599224>] (sys_write+0x18/0x1c)
 3355 21:23:31.617886  [  114.294435]  r9:c6ab0000 r8:c03002e4 r7:00000004 r6:b6ff0e00 r5:00000016 r4:00000016
 3356 21:23:31.618281  [  114.302189] [<c059920c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 3357 21:23:31.618638  [  114.309764] Exception stack(0xc6ab1fa8 to 0xc6ab1ff0)
 3358 21:23:31.618981  [  114.314824] 1fa0:                   00000016 00000016 00000001 b6ea9000 00000016 00000000
 3359 21:23:31.619317  [  114.323011] 1fc0: 00000016 00000016 b6ff0e00 00000004 00000001 00000000 00020000 bef73a54
 3360 21:23:31.664864  
 3361 21:23:31.665025  [  114.331193] 1fe0: 00000004 bef73788 b6f5b4cf b6ee17e6
 3362 21:23:31.665127  [  114.336313] irq event stamp: 0
 3363 21:23:31.665203  [  114.339386] hardirqs last  enabled at (0): [<00000000>] 0x0
 3364 21:23:31.665277  [  114.344976] hardirqs last disabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 3365 21:23:31.665347  [  114.352516] softirqs last  enabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 3366 21:23:31.665416  [  114.360072] softirqs last disabled at (0): [<00000000>] 0x0
 3367 21:23:31.665484  [  114.365691] ---[ end trace dfcb905fa2d201d0 ]---
 3368 21:23:31.665551  [  114.370327] lkdtm: Overflow detected: saturated
 3369 21:23:31.762757  # [  114.014684] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW
 3370 21:23:31.763297  # [  114.021245] lkdtm: attempting good refcount_inc() without overflow
 3371 21:23:31.763649  # [  114.030346] lkdtm: attempting bad refcount_inc() overflow
 3372 21:23:31.763972  # [  114.038577] ------------[ cut here ]------------
 3373 21:23:31.764280  # [  114.046118] WARNING: CPU: 1 PID: 2683 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174
 3374 21:23:31.764587  # [  114.057341] refcount_t: saturated; leaking memory.
 3375 21:23:31.805467  # [  114.064945] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv imx_ldb gpu_sched dw_hdmi_imx dw_hdmi parallel_display imxdrm imx_ipu_v3
 3376 21:23:31.806101  # [  114.096693] CPU: 1 PID: 2683 Comm: cat Tainted: G      D W         5.10.153-cip19 #1
 3377 21:23:31.806495  # [  114.107248] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 3378 21:23:31.806879  # [  114.115596] Backtrace: 
 3379 21:23:31.853220  # [  114.120144] [<c137e9d0>] (dump_backtrace) from [<c137ed90>] (show_stack+0x20/0x24)
 3380 21:23:31.853845  # [  114.130562]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4
 3381 21:23:31.854235  # [  114.138219] [<c137ed70>] (show_stack) from [<c1385f0c>] (dump_stack+0xe0/0x100)
 3382 21:23:31.854599  # [  114.147785] [<c1385e2c>] (dump_stack) from [<c03566f0>] (__warn+0xfc/0x16c)
 3383 21:23:31.854984  # [  114.157084]  r9:00000009 r8:c086e50c r7:00000016 r6:00000009 r5:c086e50c r4:c1a24cf0
 3384 21:23:31.855305  # [  114.166824] [<c03565f4>] (__warn) from [<c137feb0>] (warn_slowpath_fmt+0x8c/0xa8)
 3385 21:23:31.897190  # [  114.176557]  r7:00000016 r6:c1a24cf0 r5:c1a24cc8 r4:c6ab0000
 3386 21:23:31.897732  # [  114.182309] [<c137fe28>] (warn_slowpath_fmt) from [<c086e50c>] (refcount_warn_saturate+0xd4/0x174)
 3387 21:23:31.898095  # [  114.191277]  r9:c1ad0c50 r8:c15e8634 r7:c6ab1f60 r6:00000016 r5:c4685000 r4:c6ab0000
 3388 21:23:31.898447  # [  114.199033] [<c086e438>] (refcount_warn_saturate) from [<c0c3009c>] (__refcount_add.constprop.0+0x44/0x58)
 3389 21:23:31.898770  # [  114.208699] [<c0c30058>] (__refcount_add.constprop.0) from [<c138ca28>] (lkdtm_REFCOUNT_INC_OVERFLOW+0x78/0x9c)
 3390 21:23:31.941123  # [  114.218802] [<c138c9b0>] (lkdtm_REFCOUNT_INC_OVERFLOW) from [<c0c2f018>] (lkdtm_do_action+0x2c/0x4c)
 3391 21:23:31.941826  # [  114.227937]  r4:0000002b
 3392 21:23:31.942354  # [  114.230482] [<c0c2efec>] (lkdtm_do_action) from [<c0c2f518>] (direct_entry+0x120/0x18c)
 3393 21:23:31.942810  # [  114.238500] [<c0c2f3f8>] (direct_entry) from [<c07f6080>] (full_proxy_write+0x64/0x94)
 3394 21:23:31.943347  # [  114.246426]  r9:c6ab1f60 r8:c530cd80 r7:00000016 r6:b6ea9000 r5:c43448c0 r4:c0c2f3f8
 3395 21:23:31.943784  # [  114.254183] [<c07f601c>] (full_proxy_write) from [<c0598c00>] (vfs_write+0x10c/0x524)
 3396 21:23:31.984809  # [  114.262021]  r9:c07f601c r8:c6ab1f60 r7:c2816000 r6:b6ea9000 r5:c43448c0 r4:00000000
 3397 21:23:31.984899  # [  114.269773] [<c0598af4>] (vfs_write) from [<c0599194>] (ksys_write+0x74/0xec)
 3398 21:23:31.984984  # [  114.276916]  r10:00000004 r9:00000000 r8:00000000 r7:b6ea9000 r6:c6ab0000 r5:c43448c0
 3399 21:23:31.985081  # [  114.284748]  r4:c43448c0
 3400 21:23:31.985139  # [  114.287293] [<c0599120>] (ksys_write) from [<c0599224>] (sys_write+0x18/0x1c)
 3401 21:23:31.985197  # [  114.294435]  r9:c6ab0000 r8:c03002e4 r7:00000004 r6:b6ff0e00 r5:00000016 r4:00000016
 3402 21:23:32.029002  # [  114.302189] [<c059920c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 3403 21:23:32.029297  # [  114.309764] Exception stack(0xc6ab1fa8 to 0xc6ab1ff0)
 3404 21:23:32.029468  # [  114.314824] 1fa0:                   00000016 00000016 00000001 b6ea9000 00000016 00000000
 3405 21:23:32.029622  # [  114.323011] 1fc0: 00000016 00000016 b6ff0e00 00000004 00000001 00000000 00020000 bef73a54
 3406 21:23:32.029770  # [  114.331193] 1fe0: 00000004 bef73788 b6f5b4cf b6ee17e6
 3407 21:23:32.029913  # [  114.336313] irq event stamp: 0
 3408 21:23:32.030049  # [  114.339386] hardirqs last  enabled at (0): [<00000000>] 0x0
 3409 21:23:32.073300  # [  114.344976] hardirqs last disabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 3410 21:23:32.073886  # [  114.352516] softirqs last  enabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 3411 21:23:32.074308  # [  114.360072] softirqs last disabled at (0): [<00000000>] 0x0
 3412 21:23:32.074669  # [  114.365691] ---[ end trace dfcb905fa2d201d0 ]---
 3413 21:23:32.075011  # [  114.370327] lkdtm: Overflow detected: saturated
 3414 21:23:32.075342  # REFCOUNT_INC_OVERFLOW: missing 'call trace:': [FAIL]
 3415 21:23:32.075742  not o[  114.785143] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW
 3416 21:23:32.117288  k 42 selftests: lkdtm: REFCOUNT_I[  114.793559] lkdtm: attempting good refcount_add() without overflow
 3417 21:23:32.117878  NC_OVERFLOW.sh # exit=1
 3418 21:23:32.118275  # selfte[  114.802680] lkdtm: attempting bad refcount_add() overflow
 3419 21:23:32.118635  sts: lkdtm: REFCOUNT_ADD_OVERFLOW[  114.810842] ------------[ cut here ]------------
 3420 21:23:32.118977  .sh
 3421 21:23:32.119315  [  114.818338] WARNING: CPU: 2 PID: 2717 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174
 3422 21:23:32.119647  [  114.827182] refcount_t: saturated; leaking memory.
 3423 21:23:32.161153  [  114.831983] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv imx_ldb gpu_sched dw_hdmi_imx dw_hdmi parallel_display imxdrm imx_ipu_v3
 3424 21:23:32.161759  [  114.861135] CPU: 2 PID: 2717 Comm: cat Tainted: G      D W         5.10.153-cip19 #1
 3425 21:23:32.162150  [  114.868884] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 3426 21:23:32.162509  [  114.875418] Backtrace: 
 3427 21:23:32.204891  [  114.877894] [<c137e9d0>] (dump_backtrace) from [<c137ed90>] (show_stack+0x20/0x24)
 3428 21:23:32.205131  [  114.885473]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4
 3429 21:23:32.205269  [  114.891146] [<c137ed70>] (show_stack) from [<c1385f0c>] (dump_stack+0xe0/0x100)
 3430 21:23:32.205393  [  114.898470] [<c1385e2c>] (dump_stack) from [<c03566f0>] (__warn+0xfc/0x16c)
 3431 21:23:32.205510  [  114.905441]  r9:00000009 r8:c086e50c r7:00000016 r6:00000009 r5:c086e50c r4:c1a24cf0
 3432 21:23:32.205622  [  114.913195] [<c03565f4>] (__warn) from [<c137feb0>] (warn_slowpath_fmt+0x8c/0xa8)
 3433 21:23:32.205725  [  114.920686]  r7:00000016 r6:c1a24cf0 r5:c1a24cc8 r4:c6848000
 3434 21:23:32.249336  [  114.926359] [<c137fe28>] (warn_slowpath_fmt) from [<c086e50c>] (refcount_warn_saturate+0xd4/0x174)
 3435 21:23:32.249945  [  114.935327]  r9:c1ad0c68 r8:c15e8634 r7:c6849f60 r6:00000016 r5:c6d15000 r4:c6848000
 3436 21:23:32.250345  [  114.943083] [<c086e438>] (refcount_warn_saturate) from [<c0c3009c>] (__refcount_add.constprop.0+0x44/0x58)
 3437 21:23:32.250707  [  114.952748] [<c0c30058>] (__refcount_add.constprop.0) from [<c138cad0>] (lkdtm_REFCOUNT_ADD_OVERFLOW+0x84/0xa8)
 3438 21:23:32.293427  [  114.962849] [<c138ca4c>] (lkdtm_REFCOUNT_ADD_OVERFLOW) from [<c0c2f018>] (lkdtm_do_action+0x2c/0x4c)
 3439 21:23:32.294019  [  114.971984]  r4:0000002c
 3440 21:23:32.294406  [  114.974530] [<c0c2efec>] (lkdtm_do_action) from [<c0c2f518>] (direct_entry+0x120/0x18c)
 3441 21:23:32.294768  [  114.982548] [<c0c2f3f8>] (direct_entry) from [<c07f6080>] (full_proxy_write+0x64/0x94)
 3442 21:23:32.295111  [  114.990472]  r9:c6849f60 r8:c530cd80 r7:00000016 r6:b6e24000 r5:c42aa000 r4:c0c2f3f8
 3443 21:23:32.295451  [  114.998230] [<c07f601c>] (full_proxy_write) from [<c0598c00>] (vfs_write+0x10c/0x524)
 3444 21:23:32.295781  [  115.006067]  r9:c07f601c r8:c6849f60 r7:c2816000 r6:b6e24000 r5:c42aa000 r4:00000000
 3445 21:23:32.337300  [  115.013819] [<c0598af4>] (vfs_write) from [<c0599194>] (ksys_write+0x74/0xec)
 3446 21:23:32.337892  [  115.020963]  r10:00000004 r9:00000000 r8:00000000 r7:b6e24000 r6:c6848000 r5:c42aa000
 3447 21:23:32.338281  [  115.028796]  r4:c42aa000
 3448 21:23:32.338636  [  115.031338] [<c0599120>] (ksys_write) from [<c0599224>] (sys_write+0x18/0x1c)
 3449 21:23:32.338978  [  115.038481]  r9:c6848000 r8:c03002e4 r7:00000004 r6:b6f6be00 r5:00000016 r4:00000016
 3450 21:23:32.339347  [  115.046235] [<c059920c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 3451 21:23:32.380768  [  115.053810] Exception stack(0xc6849fa8 to 0xc6849ff0)
 3452 21:23:32.380946  [  115.058869] 9fa0:                   00000016 00000016 00000001 b6e24000 00000016 00000000
 3453 21:23:32.381016  [  115.067055] 9fc0: 00000016 00000016 b6f6be00 00000004 00000001 00000000 00020000 be9eda54
 3454 21:23:32.381110  [  115.075237] 9fe0: 00000004 be9ed788 b6ed64cf b6e5c7e6
 3455 21:23:32.381200  [  115.080381] irq event stamp: 0
 3456 21:23:32.381274  [  115.083453] hardirqs last  enabled at (0): [<00000000>] 0x0
 3457 21:23:32.381360  [  115.089070] hardirqs last disabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 3458 21:23:32.424949  [  115.096610] softirqs last  enabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 3459 21:23:32.425103  [  115.104129] softirqs last disabled at (0): [<00000000>] 0x0
 3460 21:23:32.425171  [  115.109751] ---[ end trace dfcb905fa2d201d1 ]---
 3461 21:23:32.425248  [  115.114384] lkdtm: Overflow detected: saturated
 3462 21:23:32.505940  # [  114.785143] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW
 3463 21:23:32.506026  # [  114.793559] lkdtm: attempting good refcount_add() without overflow
 3464 21:23:32.506095  # [  114.802680] lkdtm: attempting bad refcount_add() overflow
 3465 21:23:32.506157  # [  114.810842] ------------[ cut here ]------------
 3466 21:23:32.506218  # [  114.818338] WARNING: CPU: 2 PID: 2717 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174
 3467 21:23:32.506277  # [  114.827182] refcount_t: saturated; leaking memory.
 3468 21:23:32.548960  # [  114.831983] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv imx_ldb gpu_sched dw_hdmi_imx dw_hdmi parallel_display imxdrm imx_ipu_v3
 3469 21:23:32.549061  # [  114.861135] CPU: 2 PID: 2717 Comm: cat Tainted: G      D W         5.10.153-cip19 #1
 3470 21:23:32.549140  # [  114.868884] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 3471 21:23:32.549211  # [  114.875418] Backtrace: 
 3472 21:23:32.592936  # [  114.877894] [<c137e9d0>] (dump_backtrace) from [<c137ed90>] (show_stack+0x20/0x24)
 3473 21:23:32.593096  # [  114.885473]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4
 3474 21:23:32.593163  # [  114.891146] [<c137ed70>] (show_stack) from [<c1385f0c>] (dump_stack+0xe0/0x100)
 3475 21:23:32.593225  # [  114.898470] [<c1385e2c>] (dump_stack) from [<c03566f0>] (__warn+0xfc/0x16c)
 3476 21:23:32.593285  # [  114.905441]  r9:00000009 r8:c086e50c r7:00000016 r6:00000009 r5:c086e50c r4:c1a24cf0
 3477 21:23:32.593344  # [  114.913195] [<c03565f4>] (__warn) from [<c137feb0>] (warn_slowpath_fmt+0x8c/0xa8)
 3478 21:23:32.637151  # [  114.920686]  r7:00000016 r6:c1a24cf0 r5:c1a24cc8 r4:c6848000
 3479 21:23:32.637716  # [  114.926359] [<c137fe28>] (warn_slowpath_fmt) from [<c086e50c>] (refcount_warn_saturate+0xd4/0x174)
 3480 21:23:32.638102  # [  114.935327]  r9:c1ad0c68 r8:c15e8634 r7:c6849f60 r6:00000016 r5:c6d15000 r4:c6848000
 3481 21:23:32.638448  # [  114.943083] [<c086e438>] (refcount_warn_saturate) from [<c0c3009c>] (__refcount_add.constprop.0+0x44/0x58)
 3482 21:23:32.638775  # [  114.952748] [<c0c30058>] (__refcount_add.constprop.0) from [<c138cad0>] (lkdtm_REFCOUNT_ADD_OVERFLOW+0x84/0xa8)
 3483 21:23:32.680927  # [  114.962849] [<c138ca4c>] (lkdtm_REFCOUNT_ADD_OVERFLOW) from [<c0c2f018>] (lkdtm_do_action+0x2c/0x4c)
 3484 21:23:32.681146  # [  114.971984]  r4:0000002c
 3485 21:23:32.681257  # [  114.974530] [<c0c2efec>] (lkdtm_do_action) from [<c0c2f518>] (direct_entry+0x120/0x18c)
 3486 21:23:32.681392  # [  114.982548] [<c0c2f3f8>] (direct_entry) from [<c07f6080>] (full_proxy_write+0x64/0x94)
 3487 21:23:32.681499  # [  114.990472]  r9:c6849f60 r8:c530cd80 r7:00000016 r6:b6e24000 r5:c42aa000 r4:c0c2f3f8
 3488 21:23:32.681593  # [  114.998230] [<c07f601c>] (full_proxy_write) from [<c0598c00>] (vfs_write+0x10c/0x524)
 3489 21:23:32.725333  # [  115.006067]  r9:c07f601c r8:c6849f60 r7:c2816000 r6:b6e24000 r5:c42aa000 r4:00000000
 3490 21:23:32.725882  # [  115.013819] [<c0598af4>] (vfs_write) from [<c0599194>] (ksys_write+0x74/0xec)
 3491 21:23:32.726269  # [  115.020963]  r10:00000004 r9:00000000 r8:00000000 r7:b6e24000 r6:c6848000 r5:c42aa000
 3492 21:23:32.726600  # [  115.028796]  r4:c42aa000
 3493 21:23:32.726915  # [  115.031338] [<c0599120>] (ksys_write) from [<c0599224>] (sys_write+0x18/0x1c)
 3494 21:23:32.727223  # [  115.038481]  r9:c6848000 r8:c03002e4 r7:00000004 r6:b6f6be00 r5:00000016 r4:00000016
 3495 21:23:32.769348  # [  115.046235] [<c059920c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 3496 21:23:32.769940  # [  115.053810] Exception stack(0xc6849fa8 to 0xc6849ff0)
 3497 21:23:32.770330  # [  115.058869] 9fa0:                   00000016 00000016 00000001 b6e24000 00000016 00000000
 3498 21:23:32.770693  # [  115.067055] 9fc0: 00000016 00000016 b6f6be00 00000004 00000001 00000000 00020000 be9eda54
 3499 21:23:32.771038  # [  115.075237] 9fe0: 00000004 be9ed788 b6ed64cf b6e5c7e6
 3500 21:23:32.771377  # [  115.080381] irq event stamp: 0
 3501 21:23:32.771705  # [  115.083453] hardirqs last  enabled at (0): [<00000000>] 0x0
 3502 21:23:32.813312  # [  115.089070] hardirqs last disabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 3503 21:23:32.813927  # [  115.096610] softirqs last  enabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 3504 21:23:32.814347  # [  115.104129] softirqs last disabled at (0): [<00000000>] 0x0
 3505 21:23:32.814711  # [  115.109751] ---[ end trace dfcb905fa2d201d1 ]---
 3506 21:23:32.815055  # [  115.114384] lkdt[  115.521783] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW
 3507 21:23:32.815392  m: Overflow detected: saturated
 3508 21:23:32.815717  [  115.530154] lkdtm: attempting bad refcount_inc_not_zero() overflow
 3509 21:23:32.857337  # REFCOUNT_ADD_OVERFLOW: missing [  115.539199] ------------[ cut here ]------------
 3510 21:23:32.857922  'call trace:': [FAIL]
 3511 21:23:32.858309  not ok 43 [  115.546739] WARNING: CPU: 0 PID: 2751 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174
 3512 21:23:32.858679  selftests: lkdtm: REFCOUNT_ADD_OV[  115.558036] refcount_t: saturated; leaking memory.
 3513 21:23:32.859024  ERFLOW.sh # exit=1
 3514 21:23:32.901322  # selftests: [  115.565804] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv imx_ldb gpu_sched dw_hdmi_imx dw_hdmi parallel_display imxdrm imx_ipu_v3
 3515 21:23:32.901929  lkdtm: REFCOUNT_INC_NOT_ZERO_OVER[  115.597463] CPU: 0 PID: 2751 Comm: cat Tainted: G      D W         5.10.153-cip19 #1
 3516 21:23:32.902326  [  115.608025] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 3517 21:23:32.902685  [  115.614558] Backtrace: 
 3518 21:23:32.903027  [  115.617035] [<c137e9d0>] (dump_backtrace) from [<c137ed90>] (show_stack+0x20/0x24)
 3519 21:23:32.945123  [  115.624612]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4
 3520 21:23:32.945330  [  115.630284] [<c137ed70>] (show_stack) from [<c1385f0c>] (dump_stack+0xe0/0x100)
 3521 21:23:32.945443  [  115.637608] [<c1385e2c>] (dump_stack) from [<c03566f0>] (__warn+0xfc/0x16c)
 3522 21:23:32.945541  [  115.644579]  r9:00000009 r8:c086e4d8 r7:00000013 r6:00000009 r5:c086e4d8 r4:c1a24cf0
 3523 21:23:32.945635  [  115.652333] [<c03565f4>] (__warn) from [<c137feb0>] (warn_slowpath_fmt+0x8c/0xa8)
 3524 21:23:32.945726  [  115.659823]  r7:00000013 r6:c1a24cf0 r5:c1a24cc8 r4:c6fde000
 3525 21:23:32.989238  [  115.665497] [<c137fe28>] (warn_slowpath_fmt) from [<c086e4d8>] (refcount_warn_saturate+0xa0/0x174)
 3526 21:23:32.989839  [  115.674464]  r9:c1ad0c80 r8:c15e8634 r7:c6fdff60 r6:0000001f r5:c6f3c000 r4:7fffffff
 3527 21:23:32.990262  [  115.682222] [<c086e438>] (refcount_warn_saturate) from [<c138c99c>] (__refcount_add_not_zero.constprop.0+0x64/0x78)
 3528 21:23:32.990629  [  115.692668] [<c138c938>] (__refcount_add_not_zero.constprop.0) from [<c138cb44>] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x50/0x88)
 3529 21:23:32.990976  [  115.704324]  r5:c6f3c000 r4:c6fde000
 3530 21:23:33.033225  [  115.707917] [<c138caf4>] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW) from [<c0c2f018>] (lkdtm_do_action+0x2c/0x4c)
 3531 21:23:33.033820  [  115.717834]  r4:0000002d
 3532 21:23:33.034205  [  115.720381] [<c0c2efec>] (lkdtm_do_action) from [<c0c2f518>] (direct_entry+0x120/0x18c)
 3533 21:23:33.034569  [  115.728399] [<c0c2f3f8>] (direct_entry) from [<c07f6080>] (full_proxy_write+0x64/0x94)
 3534 21:23:33.034914  [  115.736323]  r9:c6fdff60 r8:c530cd80 r7:0000001f r6:b6e69000 r5:c5801b80 r4:c0c2f3f8
 3535 21:23:33.035252  [  115.744080] [<c07f601c>] (full_proxy_write) from [<c0598c00>] (vfs_write+0x10c/0x524)
 3536 21:23:33.077165  [  115.751919]  r9:c07f601c r8:c6fdff60 r7:c2816000 r6:b6e69000 r5:c5801b80 r4:00000000
 3537 21:23:33.077759  [  115.759670] [<c0598af4>] (vfs_write) from [<c0599194>] (ksys_write+0x74/0xec)
 3538 21:23:33.078152  [  115.766814]  r10:00000004 r9:00000000 r8:00000000 r7:b6e69000 r6:c6fde000 r5:c5801b80
 3539 21:23:33.078509  [  115.774646]  r4:c5801b80
 3540 21:23:33.078853  [  115.777188] [<c0599120>] (ksys_write) from [<c0599224>] (sys_write+0x18/0x1c)
 3541 21:23:33.079191  [  115.784331]  r9:c6fde000 r8:c03002e4 r7:00000004 r6:b6fb0e00 r5:0000001f r4:0000001f
 3542 21:23:33.079519  [  115.792085] [<c059920c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 3543 21:23:33.121365  [  115.799660] Exception stack(0xc6fdffa8 to 0xc6fdfff0)
 3544 21:23:33.121955  [  115.804719] ffa0:                   0000001f 0000001f 00000001 b6e69000 0000001f 00000000
 3545 21:23:33.122349  [  115.812903] ffc0: 0000001f 0000001f b6fb0e00 00000004 00000001 00000000 00020000 bea37a54
 3546 21:23:33.122706  [  115.821086] ffe0: 00000004 bea37788 b6f1b4cf b6ea17e6
 3547 21:23:33.123048  FLOW.sh
 3548 21:23:33.123382  [  115.826201] irq event stamp: 0
 3549 21:23:33.123711  [  115.830028] hardirqs last  enabled at (0): [<00000000>] 0x0
 3550 21:23:33.124034  [  115.835648] hardirqs last disabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 3551 21:23:33.165290  [  115.843174] softirqs last  enabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 3552 21:23:33.165878  [  115.850719] softirqs last disabled at (0): [<00000000>] 0x0
 3553 21:23:33.166306  [  115.856329] ---[ end trace dfcb905fa2d201d2 ]---
 3554 21:23:33.166666  [  115.860958] lkdtm: Overflow detected: saturated
 3555 21:23:33.265029  # [  115.521783] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW
 3556 21:23:33.265617  # [  115.530154] lkdtm: attempting bad refcount_inc_not_zero() overflow
 3557 21:23:33.266006  # [  115.539199] ------------[ cut here ]------------
 3558 21:23:33.266367  # [  115.546739] WARNING: CPU: 0 PID: 2751 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174
 3559 21:23:33.266721  # [  115.558036] refcount_t: saturated; leaking memory.
 3560 21:23:33.308067  # [  115.565804] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv imx_ldb gpu_sched dw_hdmi_imx dw_hdmi parallel_display imxdrm imx_ipu_v3
 3561 21:23:33.308796  # [  115.597463] CPU: 0 PID: 2751 Comm: cat Tainted: G      D W         5.10.153-cip19 #1
 3562 21:23:33.309230  # [  115.608025] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 3563 21:23:33.309615  # [  115.614558] Backtrace: 
 3564 21:23:33.309967  # [  115.617035] [<c137e9d0>] (dump_backtrace) from [<c137ed90>] (show_stack+0x20/0x24)
 3565 21:23:33.350987  # [  115.624612]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4
 3566 21:23:33.351635  # [  115.630284] [<c137ed70>] (show_stack) from [<c1385f0c>] (dump_stack+0xe0/0x100)
 3567 21:23:33.352029  # [  115.637608] [<c1385e2c>] (dump_stack) from [<c03566f0>] (__warn+0xfc/0x16c)
 3568 21:23:33.352498  # [  115.644579]  r9:00000009 r8:c086e4d8 r7:00000013 r6:00000009 r5:c086e4d8 r4:c1a24cf0
 3569 21:23:33.352962  # [  115.652333] [<c03565f4>] (__warn) from [<c137feb0>] (warn_slowpath_fmt+0x8c/0xa8)
 3570 21:23:33.353396  # [  115.659823]  r7:00000013 r6:c1a24cf0 r5:c1a24cc8 r4:c6fde000
 3571 21:23:33.394089  # [  115.665497] [<c137fe28>] (warn_slowpath_fmt) from [<c086e4d8>] (refcount_warn_saturate+0xa0/0x174)
 3572 21:23:33.394748  # [  115.674464]  r9:c1ad0c80 r8:c15e8634 r7:c6fdff60 r6:0000001f r5:c6f3c000 r4:7fffffff
 3573 21:23:33.395107  # [  115.682222] [<c086e438>] (refcount_warn_saturate) from [<c138c99c>] (__refcount_add_not_zero.constprop.0+0x64/0x78)
 3574 21:23:33.395503  # [  115.692668] [<c138c938>] (__refcount_add_not_zero.constprop.0) from [<c138cb44>] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x50/0x88)
 3575 21:23:33.395827  # [  115.704324]  r5:c6f3c000 r4:c6fde000
 3576 21:23:33.437055  # [  115.707917] [<c138caf4>] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW) from [<c0c2f018>] (lkdtm_do_action+0x2c/0x4c)
 3577 21:23:33.437621  # [  115.717834]  r4:0000002d
 3578 21:23:33.437977  # [  115.720381] [<c0c2efec>] (lkdtm_do_action) from [<c0c2f518>] (direct_entry+0x120/0x18c)
 3579 21:23:33.438353  # [  115.728399] [<c0c2f3f8>] (direct_entry) from [<c07f6080>] (full_proxy_write+0x64/0x94)
 3580 21:23:33.438703  # [  115.736323]  r9:c6fdff60 r8:c530cd80 r7:0000001f r6:b6e69000 r5:c5801b80 r4:c0c2f3f8
 3581 21:23:33.439167  # [  115.744080] [<c07f601c>] (full_proxy_write) from [<c0598c00>] (vfs_write+0x10c/0x524)
 3582 21:23:33.481199  # [  115.751919]  r9:c07f601c r8:c6fdff60 r7:c2816000 r6:b6e69000 r5:c5801b80 r4:00000000
 3583 21:23:33.481747  # [  115.759670] [<c0598af4>] (vfs_write) from [<c0599194>] (ksys_write+0x74/0xec)
 3584 21:23:33.482106  # [  115.766814]  r10:00000004 r9:00000000 r8:00000000 r7:b6e69000 r6:c6fde000 r5:c5801b80
 3585 21:23:33.482430  # [  115.774646]  r4:c5801b80
 3586 21:23:33.482739  # [  115.777188] [<c0599120>] (ksys_write) from [<c0599224>] (sys_write+0x18/0x1c)
 3587 21:23:33.483044  # [  115.784331]  r9:c6fde000 r8:c03002e4 r7:00000004 r6:b6fb0e00 r5:0000001f r4:0000001f
 3588 21:23:33.525333  # [  115.792085] [<c059920c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 3589 21:23:33.525924  # [  115.799660] Exception stack(0xc6fdffa8 to 0xc6fdfff0)
 3590 21:23:33.526316  # [  115.804719] ffa0:                   0000001f 0000001f 00000001 b6e69000 0000001f 00000000
 3591 21:23:33.526676  # [  115.812903] ffc0: 0000001f 0000001f b6fb0e00 00000004 00000001 00000000 00020000 bea37a54
 3592 21:23:33.527020  # [  115.821086] ffe0: 00000004 bea37788 b6f1b4cf b6ea17e6
 3593 21:23:33.527354  # [  115.826201] irq event stamp: 0
 3594 21:23:33.527682  # [  115.830028] hardirqs last  enabled at (0): [<00000000>] 0x0
 3595 21:23:33.569355  # [  115.835648] hardirqs last disabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 3596 21:23:33.569929  # [  115.843174] softirqs last  enabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 3597 21:23:33.570331  # [  115.850719] softirqs last disabled at (0): [<00000000>] 0x0
 3598 21:23:33.570697  # [  115.856329] ---[ end trace dfcb905fa2d201d2 ]---
 3599 21:23:33.571049  # [  115.860958] lkdtm: Overflow detected: saturated
 3600 21:23:33.571387  # REFCOUNT_INC_NOT_ZERO_OVERFLOW: missing 'call trace:': [FAIL]
 3601 21:23:33.571714  not ok 44 selftests: lkdtm: REFCOUNT_INC_NOT_ZER[  116.292523] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW
 3602 21:23:33.613208  O_OVERFLOW.sh # exit=1
 3603 21:23:33.613795  # selftes[  116.300083] lkdtm: attempting bad refcount_add_not_zero() overflow
 3604 21:23:33.614188  ts: lkdtm: REFCOUNT_ADD_NOT_ZERO_[  116.309139] ------------[ cut here ]------------
 3605 21:23:33.614547  OVERFLOW.sh
 3606 21:23:33.614891  [  116.316649] WARNING: CPU: 0 PID: 2785 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174
 3607 21:23:33.615228  [  116.326203] refcount_t: saturated; leaking memory.
 3608 21:23:33.657278  [  116.331013] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv imx_ldb gpu_sched dw_hdmi_imx dw_hdmi parallel_display imxdrm imx_ipu_v3
 3609 21:23:33.657884  [  116.360258] CPU: 0 PID: 2785 Comm: cat Tainted: G      D W         5.10.153-cip19 #1
 3610 21:23:33.658280  [  116.368007] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 3611 21:23:33.658644  [  116.374539] Backtrace: 
 3612 21:23:33.658985  [  116.377013] [<c137e9d0>] (dump_backtrace) from [<c137ed90>] (show_stack+0x20/0x24)
 3613 21:23:33.701219  [  116.384591]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4
 3614 21:23:33.701803  [  116.390266] [<c137ed70>] (show_stack) from [<c1385f0c>] (dump_stack+0xe0/0x100)
 3615 21:23:33.702190  [  116.397589] [<c1385e2c>] (dump_stack) from [<c03566f0>] (__warn+0xfc/0x16c)
 3616 21:23:33.702551  [  116.404558]  r9:00000009 r8:c086e4d8 r7:00000013 r6:00000009 r5:c086e4d8 r4:c1a24cf0
 3617 21:23:33.702898  [  116.412311] [<c03565f4>] (__warn) from [<c137feb0>] (warn_slowpath_fmt+0x8c/0xa8)
 3618 21:23:33.703234  [  116.419800]  r7:00000013 r6:c1a24cf0 r5:c1a24cc8 r4:c6848000
 3619 21:23:33.745324  [  116.425475] [<c137fe28>] (warn_slowpath_fmt) from [<c086e4d8>] (refcount_warn_saturate+0xa0/0x174)
 3620 21:23:33.745914  [  116.434444]  r9:c1ad0ca0 r8:c15e8634 r7:c6849f60 r6:0000001f r5:c6f3d000 r4:7fffffff
 3621 21:23:33.746307  [  116.442202] [<c086e438>] (refcount_warn_saturate) from [<c138c99c>] (__refcount_add_not_zero.constprop.0+0x64/0x78)
 3622 21:23:33.746671  [  116.452647] [<c138c938>] (__refcount_add_not_zero.constprop.0) from [<c138cbcc>] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x50/0x88)
 3623 21:23:33.747022  [  116.464302]  r5:c6f3d000 r4:c6848000
 3624 21:23:33.789281  [  116.467894] [<c138cb7c>] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW) from [<c0c2f018>] (lkdtm_do_action+0x2c/0x4c)
 3625 21:23:33.789890  [  116.477811]  r4:0000002e
 3626 21:23:33.790279  [  116.480357] [<c0c2efec>] (lkdtm_do_action) from [<c0c2f518>] (direct_entry+0x120/0x18c)
 3627 21:23:33.790639  [  116.488376] [<c0c2f3f8>] (direct_entry) from [<c07f6080>] (full_proxy_write+0x64/0x94)
 3628 21:23:33.790982  [  116.496300]  r9:c6849f60 r8:c530cd80 r7:0000001f r6:b6ddf000 r5:c42aa000 r4:c0c2f3f8
 3629 21:23:33.791317  [  116.504058] [<c07f601c>] (full_proxy_write) from [<c0598c00>] (vfs_write+0x10c/0x524)
 3630 21:23:33.833299  [  116.511894]  r9:c07f601c r8:c6849f60 r7:c2816000 r6:b6ddf000 r5:c42aa000 r4:00000000
 3631 21:23:33.833917  [  116.519645] [<c0598af4>] (vfs_write) from [<c0599194>] (ksys_write+0x74/0xec)
 3632 21:23:33.834312  [  116.526788]  r10:00000004 r9:00000000 r8:00000000 r7:b6ddf000 r6:c6848000 r5:c42aa000
 3633 21:23:33.834674  [  116.534621]  r4:c42aa000
 3634 21:23:33.835018  [  116.537164] [<c0599120>] (ksys_write) from [<c0599224>] (sys_write+0x18/0x1c)
 3635 21:23:33.835352  [  116.544308]  r9:c6848000 r8:c03002e4 r7:00000004 r6:b6f26e00 r5:0000001f r4:0000001f
 3636 21:23:33.835683  [  116.552062] [<c059920c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 3637 21:23:33.877157  [  116.559636] Exception stack(0xc6849fa8 to 0xc6849ff0)
 3638 21:23:33.877718  [  116.564697] 9fa0:                   0000001f 0000001f 00000001 b6ddf000 0000001f 00000000
 3639 21:23:33.878076  [  116.572883] 9fc0: 0000001f 0000001f b6f26e00 00000004 00000001 00000000 00020000 bee20a54
 3640 21:23:33.878399  [  116.581065] 9fe0: 00000004 bee20788 b6e914cf b6e177e6
 3641 21:23:33.878713  [  116.586166] irq event stamp: 0
 3642 21:23:33.879013  [  116.589240] hardirqs last  enabled at (0): [<00000000>] 0x0
 3643 21:23:33.879308  [  116.594829] hardirqs last disabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 3644 21:23:33.920999  [  116.602375] softirqs last  enabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 3645 21:23:33.921184  [  116.609941] softirqs last disabled at (0): [<00000000>] 0x0
 3646 21:23:33.921275  [  116.615553] ---[ end trace dfcb905fa2d201d3 ]---
 3647 21:23:33.921360  [  116.620184] lkdtm: Overflow detected: saturated
 3648 21:23:34.024714  # [  116.292523] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW
 3649 21:23:34.025295  # [  116.300083] lkdtm: attempting bad refcount_add_not_zero() overflow
 3650 21:23:34.025688  # [  116.309139] ------------[ cut here ]------------
 3651 21:23:34.026044  # [  116.316649] WARNING: CPU: 0 PID: 2785 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174
 3652 21:23:34.026394  # [  116.326203] refcount_t: saturated; leaking memory.
 3653 21:23:34.067591  # [  116.331013] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv imx_ldb gpu_sched dw_hdmi_imx dw_hdmi parallel_display imxdrm imx_ipu_v3
 3654 21:23:34.068150  # [  116.360258] CPU: 0 PID: 2785 Comm: cat Tainted: G      D W         5.10.153-cip19 #1
 3655 21:23:34.068507  # [  116.368007] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 3656 21:23:34.068915  # [  116.374539] Backtrace: 
 3657 21:23:34.069243  # [  116.377013] [<c137e9d0>] (dump_backtrace) from [<c137ed90>] (show_stack+0x20/0x24)
 3658 21:23:34.110271  # [  116.384591]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4
 3659 21:23:34.110452  # [  116.390266] [<c137ed70>] (show_stack) from [<c1385f0c>] (dump_stack+0xe0/0x100)
 3660 21:23:34.110544  # [  116.397589] [<c1385e2c>] (dump_stack) from [<c03566f0>] (__warn+0xfc/0x16c)
 3661 21:23:34.110622  # [  116.404558]  r9:00000009 r8:c086e4d8 r7:00000013 r6:00000009 r5:c086e4d8 r4:c1a24cf0
 3662 21:23:34.110698  # [  116.412311] [<c03565f4>] (__warn) from [<c137feb0>] (warn_slowpath_fmt+0x8c/0xa8)
 3663 21:23:34.110784  # [  116.419800]  r7:00000013 r6:c1a24cf0 r5:c1a24cc8 r4:c6848000
 3664 21:23:34.153327  # [  116.425475] [<c137fe28>] (warn_slowpath_fmt) from [<c086e4d8>] (refcount_warn_saturate+0xa0/0x174)
 3665 21:23:34.153467  # [  116.434444]  r9:c1ad0ca0 r8:c15e8634 r7:c6849f60 r6:0000001f r5:c6f3d000 r4:7fffffff
 3666 21:23:34.153534  # [  116.442202] [<c086e438>] (refcount_warn_saturate) from [<c138c99c>] (__refcount_add_not_zero.constprop.0+0x64/0x78)
 3667 21:23:34.153598  # [  116.452647] [<c138c938>] (__refcount_add_not_zero.constprop.0) from [<c138cbcc>] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x50/0x88)
 3668 21:23:34.153675  # [  116.464302]  r5:c6f3d000 r4:c6848000
 3669 21:23:34.196862  # [  116.467894] [<c138cb7c>] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW) from [<c0c2f018>] (lkdtm_do_action+0x2c/0x4c)
 3670 21:23:34.197014  # [  116.477811]  r4:0000002e
 3671 21:23:34.197082  # [  116.480357] [<c0c2efec>] (lkdtm_do_action) from [<c0c2f518>] (direct_entry+0x120/0x18c)
 3672 21:23:34.197145  # [  116.488376] [<c0c2f3f8>] (direct_entry) from [<c07f6080>] (full_proxy_write+0x64/0x94)
 3673 21:23:34.197206  # [  116.496300]  r9:c6849f60 r8:c530cd80 r7:0000001f r6:b6ddf000 r5:c42aa000 r4:c0c2f3f8
 3674 21:23:34.197265  # [  116.504058] [<c07f601c>] (full_proxy_write) from [<c0598c00>] (vfs_write+0x10c/0x524)
 3675 21:23:34.240850  # [  116.511894]  r9:c07f601c r8:c6849f60 r7:c2816000 r6:b6ddf000 r5:c42aa000 r4:00000000
 3676 21:23:34.241004  # [  116.519645] [<c0598af4>] (vfs_write) from [<c0599194>] (ksys_write+0x74/0xec)
 3677 21:23:34.241073  # [  116.526788]  r10:00000004 r9:00000000 r8:00000000 r7:b6ddf000 r6:c6848000 r5:c42aa000
 3678 21:23:34.241136  # [  116.534621]  r4:c42aa000
 3679 21:23:34.241196  # [  116.537164] [<c0599120>] (ksys_write) from [<c0599224>] (sys_write+0x18/0x1c)
 3680 21:23:34.241255  # [  116.544308]  r9:c6848000 r8:c03002e4 r7:00000004 r6:b6f26e00 r5:0000001f r4:0000001f
 3681 21:23:34.284840  # [  116.552062] [<c059920c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 3682 21:23:34.284985  # [  116.559636] Exception stack(0xc6849fa8 to 0xc6849ff0)
 3683 21:23:34.285054  # [  116.564697] 9fa0:                   0000001f 0000001f 00000001 b6ddf000 0000001f 00000000
 3684 21:23:34.285118  # [  116.572883] 9fc0: 0000001f 0000001f b6f26e00 00000004 00000001 00000000 00020000 bee20a54
 3685 21:23:34.285177  # [  116.581065] 9fe0: 00000004 bee20788 b6e914cf b6e177e6
 3686 21:23:34.285236  # [  116.586166] irq event stamp: 0
 3687 21:23:34.285292  # [  116.589240] hardirqs last  enabled at (0): [<00000000>] 0x0
 3688 21:23:34.329014  # [  116.594829] hardirqs last disabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 3689 21:23:34.329181  # [  116.602375] softirqs last  enabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 3690 21:23:34.329258  # [  116.609941] softirqs last disabled at (0): [<00000000>] 0x0
 3691 21:23:34.329329  # [  116.615553] ---[ end trace dfcb905fa2d201d3 ]---
 3692 21:23:34.329395  # [  116.620184] lkdt[  117.038804] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO
 3693 21:23:34.329461  m: Overflow detected: saturated
 3694 21:23:34.329521  [  117.047043] lkdtm: attempting good refcount_dec()
 3695 21:23:34.373016  # REFCOUNT_ADD_NOT_[Z E R1O1_7O.V54548] lkdtm: attempting bad refcount_dec() to zero
 3696 21:23:34.373257  ERFLOW: missing 'call trace:': [F[  117.062129] ------------[ cut here ]------------
 3697 21:23:34.373394  AIL]
 3698 21:23:34.373515  not ok 45 selftests: lkdtm:[  117.069591] WARNING: CPU: 2 PID: 2819 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174
 3699 21:23:34.373640   REFCOUNT_ADD_NOT_ZERO_OVERFLOW.s[  117.080852] refcount_t: decrement hit 0; leaking memory.
 3700 21:23:34.373757  h # exit=1
 3701 21:23:34.417312  # selftests: lkdtm: R[  117.089018] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv imx_ldb gpu_sched dw_hdmi_imx dw_hdmi parallel_display imxdrm imx_ipu_v3
 3702 21:23:34.417920  EFCOUNT_DEC_ZERO.sh
 3703 21:23:34.418300  [  117.120735] CPU: 2 PID: 2819 Comm: cat Tainted: G      D W         5.10.153-cip19 #1
 3704 21:23:34.418651  [  117.130256] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 3705 21:23:34.418987  [  117.136790] Backtrace: 
 3706 21:23:34.460955  [  117.139265] [<c137e9d0>] (dump_backtrace) from [<c137ed90>] (show_stack+0x20/0x24)
 3707 21:23:34.461179  [  117.146844]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4
 3708 21:23:34.461299  [  117.152518] [<c137ed70>] (show_stack) from [<c1385f0c>] (dump_stack+0xe0/0x100)
 3709 21:23:34.461408  [  117.159842] [<c1385e2c>] (dump_stack) from [<c03566f0>] (__warn+0xfc/0x16c)
 3710 21:23:34.461514  [  117.166812]  r9:00000009 r8:c086e4a4 r7:0000001f r6:00000009 r5:c086e4a4 r4:c1a24cf0
 3711 21:23:34.461616  [  117.174564] [<c03565f4>] (__warn) from [<c137feb0>] (warn_slowpath_fmt+0x8c/0xa8)
 3712 21:23:34.461715  [  117.182052]  r7:0000001f r6:c1a24cf0 r5:c1a24d54 r4:c6d6e000
 3713 21:23:34.505331  [  117.187725] [<c137fe28>] (warn_slowpath_fmt) from [<c086e4a4>] (refcount_warn_saturate+0x6c/0x174)
 3714 21:23:34.505909  [  117.196692]  r9:c1ad0cc0 r8:c15e8634 r7:c6d6ff60 r6:00000012 r5:c6d15000 r4:c6d6e000
 3715 21:23:34.506288  [  117.204452] [<c086e438>] (refcount_warn_saturate) from [<c138c934>] (__refcount_dec.constprop.0+0x38/0x3c)
 3716 21:23:34.506643  [  117.214118] [<c138c8fc>] (__refcount_dec.constprop.0) from [<c138cc60>] (lkdtm_REFCOUNT_DEC_ZERO+0x5c/0xd8)
 3717 21:23:34.506994  [  117.223873] [<c138cc04>] (lkdtm_REFCOUNT_DEC_ZERO) from [<c0c2f018>] (lkdtm_do_action+0x2c/0x4c)
 3718 21:23:34.549137  [  117.232664]  r4:0000002f
 3719 21:23:34.549707  [  117.235209] [<c0c2efec>] (lkdtm_do_action) from [<c0c2f518>] (direct_entry+0x120/0x18c)
 3720 21:23:34.550085  [  117.243226] [<c0c2f3f8>] (direct_entry) from [<c07f6080>] (full_proxy_write+0x64/0x94)
 3721 21:23:34.550434  [  117.251150]  r9:c6d6ff60 r8:c530cd80 r7:00000012 r6:b6e19000 r5:c44163c0 r4:c0c2f3f8
 3722 21:23:34.550798  [  117.258906] [<c07f601c>] (full_proxy_write) from [<c0598c00>] (vfs_write+0x10c/0x524)
 3723 21:23:34.551130  [  117.266744]  r9:c07f601c r8:c6d6ff60 r7:c2816000 r6:b6e19000 r5:c44163c0 r4:00000000
 3724 21:23:34.592861  [  117.274498] [<c0598af4>] (vfs_write) from [<c0599194>] (ksys_write+0x74/0xec)
 3725 21:23:34.593037  [  117.281642]  r10:00000004 r9:00000000 r8:00000000 r7:b6e19000 r6:c6d6e000 r5:c44163c0
 3726 21:23:34.593131  [  117.289475]  r4:c44163c0
 3727 21:23:34.593217  [  117.292018] [<c0599120>] (ksys_write) from [<c0599224>] (sys_write+0x18/0x1c)
 3728 21:23:34.593299  [  117.299162]  r9:c6d6e000 r8:c03002e4 r7:00000004 r6:b6f60e00 r5:00000012 r4:00000012
 3729 21:23:34.593379  [  117.306916] [<c059920c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 3730 21:23:34.593457  [  117.314491] Exception stack(0xc6d6ffa8 to 0xc6d6fff0)
 3731 21:23:34.636893  [  117.319550] ffa0:                   00000012 00000012 00000001 b6e19000 00000012 00000000
 3732 21:23:34.637114  [  117.327735] ffc0: 00000012 00000012 b6f60e00 00000004 00000001 00000000 00020000 be9c0a54
 3733 21:23:34.637234  [  117.335917] ffe0: 00000004 be9c0788 b6ecb4cf b6e517e6
 3734 21:23:34.637342  [  117.341026] irq event stamp: 0
 3735 21:23:34.637444  [  117.344099] hardirqs last  enabled at (0): [<00000000>] 0x0
 3736 21:23:34.637542  [  117.349714] hardirqs last disabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 3737 21:23:34.681226  [  117.357262] softirqs last  enabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 3738 21:23:34.681779  [  117.364776] softirqs last disabled at (0): [<00000000>] 0x0
 3739 21:23:34.682122  [  117.370407] ---[ end trace dfcb905fa2d201d4 ]---
 3740 21:23:34.682440  [  117.375040] lkdtm: Zero detected: saturated
 3741 21:23:34.773952  # [  117.038804] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO
 3742 21:23:34.774184  # [  117.047043] lkdtm: attempting good refcount_dec()
 3743 21:23:34.774322  # [  117.054548] lkdtm: attempting bad refcount_dec() to zero
 3744 21:23:34.774447  # [  117.062129] ------------[ cut here ]------------
 3745 21:23:34.774566  # [  117.069591] WARNING: CPU: 2 PID: 2819 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174
 3746 21:23:34.774684  # [  117.080852] refcount_t: decrement hit 0; leaking memory.
 3747 21:23:34.817392  # [  117.089018] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv imx_ldb gpu_sched dw_hdmi_imx dw_hdmi parallel_display imxdrm imx_ipu_v3
 3748 21:23:34.818032  # [  117.120735] CPU: 2 PID: 2819 Comm: cat Tainted: G      D W         5.10.153-cip19 #1
 3749 21:23:34.818426  # [  117.130256] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 3750 21:23:34.818779  # [  117.136790] Backtrace: 
 3751 21:23:34.865124  # [  117.139265] [<c137e9d0>] (dump_backtrace) from [<c137ed90>] (show_stack+0x20/0x24)
 3752 21:23:34.865650  # [  117.146844]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4
 3753 21:23:34.866004  # [  117.152518] [<c137ed70>] (show_stack) from [<c1385f0c>] (dump_stack+0xe0/0x100)
 3754 21:23:34.866398  # [  117.159842] [<c1385e2c>] (dump_stack) from [<c03566f0>] (__warn+0xfc/0x16c)
 3755 21:23:34.866794  # [  117.166812]  r9:00000009 r8:c086e4a4 r7:0000001f r6:00000009 r5:c086e4a4 r4:c1a24cf0
 3756 21:23:34.867105  # [  117.174564] [<c03565f4>] (__warn) from [<c137feb0>] (warn_slowpath_fmt+0x8c/0xa8)
 3757 21:23:34.913156  # [  117.182052]  r7:0000001f r6:c1a24cf0 r5:c1a24d54 r4:c6d6e000
 3758 21:23:34.913691  # [  117.187725] [<c137fe28>] (warn_slowpath_fmt) from [<c086e4a4>] (refcount_warn_saturate+0x6c/0x174)
 3759 21:23:34.914050  # [  117.196692]  r9:c1ad0cc0 r8:c15e8634 r7:c6d6ff60 r6:00000012 r5:c6d15000 r4:c6d6e000
 3760 21:23:34.914373  # [  117.204452] [<c086e438>] (refcount_warn_saturate) from [<c138c934>] (__refcount_dec.constprop.0+0x38/0x3c)
 3761 21:23:34.914680  # [  117.214118] [<c138c8fc>] (__refcount_dec.constprop.0) from [<c138cc60>] (lkdtm_REFCOUNT_DEC_ZERO+0x5c/0xd8)
 3762 21:23:34.961041  # [  117.223873] [<c138cc04>] (lkdtm_REFCOUNT_DEC_ZERO) from [<c0c2f018>] (lkdtm_do_action+0x2c/0x4c)
 3763 21:23:34.961593  # [  117.232664]  r4:0000002f
 3764 21:23:34.961938  # [  117.235209] [<c0c2efec>] (lkdtm_do_action) from [<c0c2f518>] (direct_entry+0x120/0x18c)
 3765 21:23:34.962283  # [  117.243226] [<c0c2f3f8>] (direct_entry) from [<c07f6080>] (full_proxy_write+0x64/0x94)
 3766 21:23:34.962611  # [  117.251150]  r9:c6d6ff60 r8:c530cd80 r7:00000012 r6:b6e19000 r5:c44163c0 r4:c0c2f3f8
 3767 21:23:34.962912  # [  117.258906] [<c07f601c>] (full_proxy_write) from [<c0598c00>] (vfs_write+0x10c/0x524)
 3768 21:23:35.005133  # [  117.266744]  r9:c07f601c r8:c6d6ff60 r7:c2816000 r6:b6e19000 r5:c44163c0 r4:00000000
 3769 21:23:35.005714  # [  117.274498] [<c0598af4>] (vfs_write) from [<c0599194>] (ksys_write+0x74/0xec)
 3770 21:23:35.006094  # [  117.281642]  r10:00000004 r9:00000000 r8:00000000 r7:b6e19000 r6:c6d6e000 r5:c44163c0
 3771 21:23:35.006442  # [  117.289475]  r4:c44163c0
 3772 21:23:35.006772  # [  117.292018] [<c0599120>] (ksys_write) from [<c0599224>] (sys_write+0x18/0x1c)
 3773 21:23:35.007096  # [  117.299162]  r9:c6d6e000 r8:c03002e4 r7:00000004 r6:b6f60e00 r5:00000012 r4:00000012
 3774 21:23:35.053056  # [  117.306916] [<c059920c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 3775 21:23:35.053631  # [  117.314491] Exception stack(0xc6d6ffa8 to 0xc6d6fff0)
 3776 21:23:35.054010  # [  117.319550] ffa0:                   00000012 00000012 00000001 b6e19000 00000012 00000000
 3777 21:23:35.054364  # [  117.327735] ffc0: 00000012 00000012 b6f60e00 00000004 00000001 00000000 00020000 be9c0a54
 3778 21:23:35.054700  # [  117.335917] ffe0: 00000004 be9c0788 b6ecb4cf b6e517e6
 3779 21:23:35.055022  # [  117.341026] irq event stamp: 0
 3780 21:23:35.055340  # [  117.344099] hardirqs last  enabled at (0): [<00000000>] 0x0
 3781 21:23:35.097290  # [  117.349714] hardirqs last disabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 3782 21:23:35.097867  # [  117.357262] softirqs last  enabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 3783 21:23:35.098263  # [  117.364776] softirqs last disabled at (0): [<00000000>] 0x0
 3784 21:23:35.098659  # [  117.370407] ---[ end trace dfcb905fa2d201d4 ]---
 3785 21:23:35.099001  # [  117.375040] lkdtm: Zero detected: saturated
 3786 21:23:35.099336  # REFCOUNT_DEC_ZERO: missing 'call trace:': [FAIL]
 3787 21:23:35.099683  not ok 46 selftests: lkdtm: REFCOUNT_D[  117.797380] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE
 3788 21:23:35.100008  EC_ZERO.sh # exit=1
 3789 21:23:35.141098  # selftests:[  117.805544] lkdtm: attempting bad refcount_dec() below zero
 3790 21:23:35.141703   lkdtm: REFCOUNT_DEC_NEGATIVE.sh
 3791 21:23:35.142113  [  117.813949] ------------[ cut here ]------------
 3792 21:23:35.142462  
 3793 21:23:35.142795  [  117.821466] WARNING: CPU: 0 PID: 2856 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174
 3794 21:23:35.143122  [  117.830009] refcount_t: decrement hit 0; leaking memory.
 3795 21:23:35.185324  [  117.835332] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv imx_ldb gpu_sched dw_hdmi_imx dw_hdmi parallel_display imxdrm imx_ipu_v3
 3796 21:23:35.185921  [  117.864614] CPU: 0 PID: 2856 Comm: cat Tainted: G      D W         5.10.153-cip19 #1
 3797 21:23:35.186306  [  117.872362] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 3798 21:23:35.186657  [  117.878896] Backtrace: 
 3799 21:23:35.186989  [  117.881375] [<c137e9d0>] (dump_backtrace) from [<c137ed90>] (show_stack+0x20/0x24)
 3800 21:23:35.187316  [  117.888953]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4
 3801 21:23:35.229414  [  117.894627] [<c137ed70>] (show_stack) from [<c1385f0c>] (dump_stack+0xe0/0x100)
 3802 21:23:35.230008  [  117.901949] [<c1385e2c>] (dump_stack) from [<c03566f0>] (__warn+0xfc/0x16c)
 3803 21:23:35.230442  [  117.908920]  r9:00000009 r8:c086e4a4 r7:0000001f r6:00000009 r5:c086e4a4 r4:c1a24cf0
 3804 21:23:35.230801  [  117.916673] [<c03565f4>] (__warn) from [<c137feb0>] (warn_slowpath_fmt+0x8c/0xa8)
 3805 21:23:35.231143  [  117.924162]  r7:0000001f r6:c1a24cf0 r5:c1a24d54 r4:c6d6e000
 3806 21:23:35.231473  [  117.929837] [<c137fe28>] (warn_slowpath_fmt) from [<c086e4a4>] (refcount_warn_saturate+0x6c/0x174)
 3807 21:23:35.273062  [  117.938804]  r9:c1ad0cd4 r8:c15e8634 r7:c6d6ff60 r6:00000016 r5:00000000 r4:c6d6e000
 3808 21:23:35.273492  [  117.946562] [<c086e438>] (refcount_warn_saturate) from [<c138c934>] (__refcount_dec.constprop.0+0x38/0x3c)
 3809 21:23:35.273831  [  117.956225] [<c138c8fc>] (__refcount_dec.constprop.0) from [<c138cd24>] (lkdtm_REFCOUNT_DEC_NEGATIVE+0x48/0x70)
 3810 21:23:35.274184  [  117.966329] [<c138ccdc>] (lkdtm_REFCOUNT_DEC_NEGATIVE) from [<c0c2f018>] (lkdtm_do_action+0x2c/0x4c)
 3811 21:23:35.274496  [  117.975468]  r5:c6f3c000 r4:00000030
 3812 21:23:35.317090  [  117.979058] [<c0c2efec>] (lkdtm_do_action) from [<c0c2f518>] (direct_entry+0x120/0x18c)
 3813 21:23:35.317656  [  117.987076] [<c0c2f3f8>] (direct_entry) from [<c07f6080>] (full_proxy_write+0x64/0x94)
 3814 21:23:35.318009  [  117.995002]  r9:c6d6ff60 r8:c530cd80 r7:00000016 r6:b6dd6000 r5:c4345680 r4:c0c2f3f8
 3815 21:23:35.318329  [  118.002758] [<c07f601c>] (full_proxy_write) from [<c0598c00>] (vfs_write+0x10c/0x524)
 3816 21:23:35.318634  [  118.010595]  r9:c07f601c r8:c6d6ff60 r7:c2816000 r6:b6dd6000 r5:c4345680 r4:00000000
 3817 21:23:35.318931  [  118.018346] [<c0598af4>] (vfs_write) from [<c0599194>] (ksys_write+0x74/0xec)
 3818 21:23:35.361303  [  118.025489]  r10:00000004 r9:00000000 r8:00000000 r7:b6dd6000 r6:c6d6e000 r5:c4345680
 3819 21:23:35.361883  [  118.033322]  r4:c4345680
 3820 21:23:35.362258  [  118.035866] [<c0599120>] (ksys_write) from [<c0599224>] (sys_write+0x18/0x1c)
 3821 21:23:35.362672  [  118.043009]  r9:c6d6e000 r8:c03002e4 r7:00000004 r6:b6f1de00 r5:00000016 r4:00000016
 3822 21:23:35.363122  [  118.050763] [<c059920c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 3823 21:23:35.363549  [  118.058337] Exception stack(0xc6d6ffa8 to 0xc6d6fff0)
 3824 21:23:35.404777  [  118.063397] ffa0:                   00000016 00000016 00000001 b6dd6000 00000016 00000000
 3825 21:23:35.404913  [  118.071581] ffc0: 00000016 00000016 b6f1de00 00000004 00000001 00000000 00020000 beb8fa54
 3826 21:23:35.404980  [  118.079764] ffe0: 00000004 beb8f788 b6e884cf b6e0e7e6
 3827 21:23:35.405041  [  118.084864] irq event stamp: 0
 3828 21:23:35.405099  [  118.087963] hardirqs last  enabled at (0): [<00000000>] 0x0
 3829 21:23:35.405156  [  118.093553] hardirqs last disabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 3830 21:23:35.405213  [  118.101137] softirqs last  enabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 3831 21:23:35.405268  [  118.108688] softirqs last disabled at (0): [<00000000>] 0x0
 3832 21:23:35.405323  [  118.114275] ---[ end trace dfcb905fa2d201d5 ]---
 3833 21:23:35.405378  [  118.118929] lkdtm: Negative detected: saturated
 3834 21:23:35.523593  # [  117.797380] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE
 3835 21:23:35.523985  # [  117.805544] lkdtm: attempting bad refcount_dec() below zero
 3836 21:23:35.524250  # [  117.813949] ------------[ cut here ]------------
 3837 21:23:35.524492  # [  117.821466] WARNING: CPU: 0 PID: 2856 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174
 3838 21:23:35.524764  # [  117.830009] refcount_t: decrement hit 0; leaking memory.
 3839 21:23:35.566819  # [  117.835332] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv imx_ldb gpu_sched dw_hdmi_imx dw_hdmi parallel_display imxdrm imx_ipu_v3
 3840 21:23:35.567416  # [  117.864614] CPU: 0 PID: 2856 Comm: cat Tainted: G      D W         5.10.153-cip19 #1
 3841 21:23:35.567797  # [  117.872362] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 3842 21:23:35.568146  # [  117.878896] Backtrace: 
 3843 21:23:35.568475  # [  117.881375] [<c137e9d0>] (dump_backtrace) from [<c137ed90>] (show_stack+0x20/0x24)
 3844 21:23:35.610052  # [  117.888953]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4
 3845 21:23:35.610579  # [  117.894627] [<c137ed70>] (show_stack) from [<c1385f0c>] (dump_stack+0xe0/0x100)
 3846 21:23:35.610921  # [  117.901949] [<c1385e2c>] (dump_stack) from [<c03566f0>] (__warn+0xfc/0x16c)
 3847 21:23:35.611312  # [  117.908920]  r9:00000009 r8:c086e4a4 r7:0000001f r6:00000009 r5:c086e4a4 r4:c1a24cf0
 3848 21:23:35.611629  # [  117.916673] [<c03565f4>] (__warn) from [<c137feb0>] (warn_slowpath_fmt+0x8c/0xa8)
 3849 21:23:35.611929  # [  117.924162]  r7:0000001f r6:c1a24cf0 r5:c1a24d54 r4:c6d6e000
 3850 21:23:35.657165  # [  117.929837] [<c137fe28>] (warn_slowpath_fmt) from [<c086e4a4>] (refcount_warn_saturate+0x6c/0x174)
 3851 21:23:35.657699  # [  117.938804]  r9:c1ad0cd4 r8:c15e8634 r7:c6d6ff60 r6:00000016 r5:00000000 r4:c6d6e000
 3852 21:23:35.658045  # [  117.946562] [<c086e438>] (refcount_warn_saturate) from [<c138c934>] (__refcount_dec.constprop.0+0x38/0x3c)
 3853 21:23:35.658359  # [  117.956225] [<c138c8fc>] (__refcount_dec.constprop.0) from [<c138cd24>] (lkdtm_REFCOUNT_DEC_NEGATIVE+0x48/0x70)
 3854 21:23:35.701111  # [  117.966329] [<c138ccdc>] (lkdtm_REFCOUNT_DEC_NEGATIVE) from [<c0c2f018>] (lkdtm_do_action+0x2c/0x4c)
 3855 21:23:35.701633  # [  117.975468]  r5:c6f3c000 r4:00000030
 3856 21:23:35.701978  # [  117.979058] [<c0c2efec>] (lkdtm_do_action) from [<c0c2f518>] (direct_entry+0x120/0x18c)
 3857 21:23:35.702301  # [  117.987076] [<c0c2f3f8>] (direct_entry) from [<c07f6080>] (full_proxy_write+0x64/0x94)
 3858 21:23:35.702605  # [  117.995002]  r9:c6d6ff60 r8:c530cd80 r7:00000016 r6:b6dd6000 r5:c4345680 r4:c0c2f3f8
 3859 21:23:35.702904  # [  118.002758] [<c07f601c>] (full_proxy_write) from [<c0598c00>] (vfs_write+0x10c/0x524)
 3860 21:23:35.745140  # [  118.010595]  r9:c07f601c r8:c6d6ff60 r7:c2816000 r6:b6dd6000 r5:c4345680 r4:00000000
 3861 21:23:35.745697  # [  118.018346] [<c0598af4>] (vfs_write) from [<c0599194>] (ksys_write+0x74/0xec)
 3862 21:23:35.746050  # [  118.025489]  r10:00000004 r9:00000000 r8:00000000 r7:b6dd6000 r6:c6d6e000 r5:c4345680
 3863 21:23:35.746374  # [  118.033322]  r4:c4345680
 3864 21:23:35.746681  # [  118.035866] [<c0599120>] (ksys_write) from [<c0599224>] (sys_write+0x18/0x1c)
 3865 21:23:35.746979  # [  118.043009]  r9:c6d6e000 r8:c03002e4 r7:00000004 r6:b6f1de00 r5:00000016 r4:00000016
 3866 21:23:35.747274  # [  118.050763] [<c059920c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 3867 21:23:35.789180  # [  118.058337] Exception stack(0xc6d6ffa8 to 0xc6d6fff0)
 3868 21:23:35.789721  # [  118.063397] ffa0:                   00000016 00000016 00000001 b6dd6000 00000016 00000000
 3869 21:23:35.790076  # [  118.071581] ffc0: 00000016 00000016 b6f1de00 00000004 00000001 00000000 00020000 beb8fa54
 3870 21:23:35.790399  # [  118.079764] ffe0: 00000004 beb8f788 b6e884cf b6e0e7e6
 3871 21:23:35.790708  # [  118.084864] irq event stamp: 0
 3872 21:23:35.791011  # [  118.087963] hardirqs last  enabled at (0): [<00000000>] 0x0
 3873 21:23:35.791309  # [  118.093553] hardirqs last disabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 3874 21:23:35.833311  # [  118.101137] softirqs last  enabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 3875 21:23:35.833858  # [  118.108688] softirqs last disabled at (0): [<00000000>] 0x0
 3876 21:23:35.834213  # [  118.114275] ---[ end trace dfcb905fa2d201d5 ]---
 3877 21:23:35.834532  # [  118.118929] lkdtm: Negative detected: saturated
 3878 21:23:35.834838  # REFCOUNT_DEC_NEGATIVE: saw 'Negative detected: saturated': ok
 3879 21:23:35.835138  ok 47 selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh
 3880 21:23:35.835440  # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh
 3881 21:23:35.877188  [  118.557964] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE
 3882 21:23:35.877778  [  118.564772] lkdtm: attempting bad refcount_dec_and_test() below zero
 3883 21:23:35.878166  [  118.571209] ------------[ cut here ]------------
 3884 21:23:35.878519  [  118.575901] WARNING: CPU: 1 PID: 2891 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174
 3885 21:23:35.878862  [  118.584435] refcount_t: underflow; use-after-free.
 3886 21:23:35.921327  [  118.589262] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv imx_ldb gpu_sched dw_hdmi_imx dw_hdmi parallel_display imxdrm imx_ipu_v3
 3887 21:23:35.921929  [  118.618416] CPU: 1 PID: 2891 Comm: cat Tainted: G      D W         5.10.153-cip19 #1
 3888 21:23:35.922323  [  118.626165] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 3889 21:23:35.922680  [  118.632697] Backtrace: 
 3890 21:23:35.923019  [  118.635173] [<c137e9d0>] (dump_backtrace) from [<c137ed90>] (show_stack+0x20/0x24)
 3891 21:23:35.923349  [  118.642753]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4
 3892 21:23:35.965323  [  118.648426] [<c137ed70>] (show_stack) from [<c1385f0c>] (dump_stack+0xe0/0x100)
 3893 21:23:35.965905  [  118.655750] [<c1385e2c>] (dump_stack) from [<c03566f0>] (__warn+0xfc/0x16c)
 3894 21:23:35.966292  [  118.662721]  r9:00000009 r8:c086e574 r7:0000001c r6:00000009 r5:c086e574 r4:c1a24cf0
 3895 21:23:35.966647  [  118.670473] [<c03565f4>] (__warn) from [<c137feb0>] (warn_slowpath_fmt+0x8c/0xa8)
 3896 21:23:35.966984  [  118.677963]  r7:0000001c r6:c1a24cf0 r5:c1a24d2c r4:c6b80000
 3897 21:23:35.967311  [  118.683636] [<c137fe28>] (warn_slowpath_fmt) from [<c086e574>] (refcount_warn_saturate+0x13c/0x174)
 3898 21:23:36.009350  [  118.692688]  r9:c1ad0cec r8:c15e8634 r7:c6b81f60 r6:0000001f r5:00000000 r4:c6b80000
 3899 21:23:36.009937  [  118.700446] [<c086e438>] (refcount_warn_saturate) from [<c0c30114>] (__refcount_sub_and_test.constprop.0+0x64/0x6c)
 3900 21:23:36.010326  [  118.710895] [<c0c300b0>] (__refcount_sub_and_test.constprop.0) from [<c138cd9c>] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x50/0x8c)
 3901 21:23:36.010685  [  118.722559] [<c138cd4c>] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE) from [<c0c2f018>] (lkdtm_do_action+0x2c/0x4c)
 3902 21:23:36.011027  [  118.732476]  r5:c4685000 r4:00000031
 3903 21:23:36.056980  [  118.736063] [<c0c2efec>] (lkdtm_do_action) from [<c0c2f518>] (direct_entry+0x120/0x18c)
 3904 21:23:36.057196  [  118.744083] [<c0c2f3f8>] (direct_entry) from [<c07f6080>] (full_proxy_write+0x64/0x94)
 3905 21:23:36.057263  [  118.752009]  r9:c6b81f60 r8:c530cd80 r7:0000001f r6:b6e4b000 r5:c4199b80 r4:c0c2f3f8
 3906 21:23:36.057353  [  118.759767] [<c07f601c>] (full_proxy_write) from [<c0598c00>] (vfs_write+0x10c/0x524)
 3907 21:23:36.057426  [  118.767606]  r9:c07f601c r8:c6b81f60 r7:c2816000 r6:b6e4b000 r5:c4199b80 r4:00000000
 3908 21:23:36.101254  [  118.775357] [<c0598af4>] (vfs_write) from [<c0599194>] (ksys_write+0x74/0xec)
 3909 21:23:36.101837  [  118.782500]  r10:00000004 r9:00000000 r8:00000000 r7:b6e4b000 r6:c6b80000 r5:c4199b80
 3910 21:23:36.102224  [  118.790333]  r4:c4199b80
 3911 21:23:36.102573  [  118.792875] [<c0599120>] (ksys_write) from [<c0599224>] (sys_write+0x18/0x1c)
 3912 21:23:36.102911  [  118.800018]  r9:c6b80000 r8:c03002e4 r7:00000004 r6:b6f92e00 r5:0000001f r4:0000001f
 3913 21:23:36.103244  [  118.807771] [<c059920c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 3914 21:23:36.103572  [  118.815345] Exception stack(0xc6b81fa8 to 0xc6b81ff0)
 3915 21:23:36.145128  [  118.820405] 1fa0:                   0000001f 0000001f 00000001 b6e4b000 0000001f 00000000
 3916 21:23:36.145567  [  118.828592] 1fc0: 0000001f 0000001f b6f92e00 00000004 00000001 00000000 00020000 bec59a54
 3917 21:23:36.145914  [  118.836775] 1fe0: 00000004 bec59788 b6efd4cf b6e837e6
 3918 21:23:36.146233  [  118.841904] irq event stamp: 0
 3919 21:23:36.146539  [  118.844975] hardirqs last  enabled at (0): [<00000000>] 0x0
 3920 21:23:36.146833  [  118.850593] hardirqs last disabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 3921 21:23:36.147126  [  118.858125] softirqs last  enabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 3922 21:23:36.189266  [  118.865658] softirqs last disabled at (0): [<00000000>] 0x0
 3923 21:23:36.189866  [  118.871259] ---[ end trace dfcb905fa2d201d6 ]---
 3924 21:23:36.190260  [  118.875921] lkdtm: Negative detected: saturated
 3925 21:23:36.286785  # [  118.557964] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE
 3926 21:23:36.287296  # [  118.564772] lkdtm: attempting bad refcount_dec_and_test() below zero
 3927 21:23:36.287645  # [  118.571209] ------------[ cut here ]------------
 3928 21:23:36.287967  # [  118.575901] WARNING: CPU: 1 PID: 2891 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174
 3929 21:23:36.288279  # [  118.584435] refcount_t: underflow; use-after-free.
 3930 21:23:36.330077  # [  118.589262] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv imx_ldb gpu_sched dw_hdmi_imx dw_hdmi parallel_display imxdrm imx_ipu_v3
 3931 21:23:36.330690  # [  118.618416] CPU: 1 PID: 2891 Comm: cat Tainted: G      D W         5.10.153-cip19 #1
 3932 21:23:36.331083  # [  118.626165] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 3933 21:23:36.331442  # [  118.632697] Backtrace: 
 3934 21:23:36.331781  # [  118.635173] [<c137e9d0>] (dump_backtrace) from [<c137ed90>] (show_stack+0x20/0x24)
 3935 21:23:36.373151  # [  118.642753]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4
 3936 21:23:36.373717  # [  118.648426] [<c137ed70>] (show_stack) from [<c1385f0c>] (dump_stack+0xe0/0x100)
 3937 21:23:36.374104  # [  118.655750] [<c1385e2c>] (dump_stack) from [<c03566f0>] (__warn+0xfc/0x16c)
 3938 21:23:36.374454  # [  118.662721]  r9:00000009 r8:c086e574 r7:0000001c r6:00000009 r5:c086e574 r4:c1a24cf0
 3939 21:23:36.374766  # [  118.670473] [<c03565f4>] (__warn) from [<c137feb0>] (warn_slowpath_fmt+0x8c/0xa8)
 3940 21:23:36.375067  # [  118.677963]  r7:0000001c r6:c1a24cf0 r5:c1a24d2c r4:c6b80000
 3941 21:23:36.417206  # [  118.683636] [<c137fe28>] (warn_slowpath_fmt) from [<c086e574>] (refcount_warn_saturate+0x13c/0x174)
 3942 21:23:36.417751  # [  118.692688]  r9:c1ad0cec r8:c15e8634 r7:c6b81f60 r6:0000001f r5:00000000 r4:c6b80000
 3943 21:23:36.418109  # [  118.700446] [<c086e438>] (refcount_warn_saturate) from [<c0c30114>] (__refcount_sub_and_test.constprop.0+0x64/0x6c)
 3944 21:23:36.418436  # [  118.710895] [<c0c300b0>] (__refcount_sub_and_test.constprop.0) from [<c138cd9c>] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x50/0x8c)
 3945 21:23:36.461206  # [  118.722559] [<c138cd4c>] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE) from [<c0c2f018>] (lkdtm_do_action+0x2c/0x4c)
 3946 21:23:36.461739  # [  118.732476]  r5:c4685000 r4:00000031
 3947 21:23:36.462083  # [  118.736063] [<c0c2efec>] (lkdtm_do_action) from [<c0c2f518>] (direct_entry+0x120/0x18c)
 3948 21:23:36.462403  # [  118.744083] [<c0c2f3f8>] (direct_entry) from [<c07f6080>] (full_proxy_write+0x64/0x94)
 3949 21:23:36.462711  # [  118.752009]  r9:c6b81f60 r8:c530cd80 r7:0000001f r6:b6e4b000 r5:c4199b80 r4:c0c2f3f8
 3950 21:23:36.463009  # [  118.759767] [<c07f601c>] (full_proxy_write) from [<c0598c00>] (vfs_write+0x10c/0x524)
 3951 21:23:36.504884  # [  118.767606]  r9:c07f601c r8:c6b81f60 r7:c2816000 r6:b6e4b000 r5:c4199b80 r4:00000000
 3952 21:23:36.505057  # [  118.775357] [<c0598af4>] (vfs_write) from [<c0599194>] (ksys_write+0x74/0xec)
 3953 21:23:36.505142  # [  118.782500]  r10:00000004 r9:00000000 r8:00000000 r7:b6e4b000 r6:c6b80000 r5:c4199b80
 3954 21:23:36.505216  # [  118.790333]  r4:c4199b80
 3955 21:23:36.505287  # [  118.792875] [<c0599120>] (ksys_write) from [<c0599224>] (sys_write+0x18/0x1c)
 3956 21:23:36.505357  # [  118.800018]  r9:c6b80000 r8:c03002e4 r7:00000004 r6:b6f92e00 r5:0000001f r4:0000001f
 3957 21:23:36.549354  # [  118.807771] [<c059920c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 3958 21:23:36.549947  # [  118.815345] Exception stack(0xc6b81fa8 to 0xc6b81ff0)
 3959 21:23:36.550357  # [  118.820405] 1fa0:                   0000001f 0000001f 00000001 b6e4b000 0000001f 00000000
 3960 21:23:36.550789  # [  118.828592] 1fc0: 0000001f 0000001f b6f92e00 00000004 00000001 00000000 00020000 bec59a54
 3961 21:23:36.551177  # [  118.836775] 1fe0: 00000004 bec59788 b6efd4cf b6e837e6
 3962 21:23:36.551519  # [  118.841904] irq event stamp: 0
 3963 21:23:36.551843  # [  118.844975] hardirqs last  enabled at (0): [<00000000>] 0x0
 3964 21:23:36.593344  # [  118.850593] hardirqs last disabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 3965 21:23:36.593933  # [  118.858125] softirqs last  enabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 3966 21:23:36.594321  # [  118.865658] softirqs last disabled at (0): [<00000000>] 0x0
 3967 21:23:36.594676  # [  118.871259] ---[ end trace dfcb905fa2d201d6 ]---
 3968 21:23:36.595013  # [  118.875921] lkdtm: Negative detected: saturated
 3969 21:23:36.595340  # REFCOUNT_DEC_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok
 3970 21:23:36.595666  ok 48 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh
 3971 21:23:36.595990  # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh
 3972 21:23:36.636954  
 3973 21:23:36.637117  [  119.325558] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE
 3974 21:23:36.637187  [  119.332367] lkdtm: attempting bad refcount_sub_and_test() below zero
 3975 21:23:36.637251  [  119.338782] ------------[ cut here ]------------
 3976 21:23:36.637312  [  119.343430] WARNING: CPU: 1 PID: 2926 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174
 3977 21:23:36.637374  [  119.352010] refcount_t: underflow; use-after-free.
 3978 21:23:36.681003  [  119.356841] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv imx_ldb gpu_sched dw_hdmi_imx dw_hdmi parallel_display imxdrm imx_ipu_v3
 3979 21:23:36.681299  [  119.386007] CPU: 1 PID: 2926 Comm: cat Tainted: G      D W         5.10.153-cip19 #1
 3980 21:23:36.681476  [  119.393756] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 3981 21:23:36.681659  [  119.400288] Backtrace: 
 3982 21:23:36.681833  [  119.402764] [<c137e9d0>] (dump_backtrace) from [<c137ed90>] (show_stack+0x20/0x24)
 3983 21:23:36.725202  [  119.410343]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4
 3984 21:23:36.725782  [  119.416016] [<c137ed70>] (show_stack) from [<c1385f0c>] (dump_stack+0xe0/0x100)
 3985 21:23:36.726163  [  119.423340] [<c1385e2c>] (dump_stack) from [<c03566f0>] (__warn+0xfc/0x16c)
 3986 21:23:36.726517  [  119.430310]  r9:00000009 r8:c086e574 r7:0000001c r6:00000009 r5:c086e574 r4:c1a24cf0
 3987 21:23:36.726854  [  119.438063] [<c03565f4>] (__warn) from [<c137feb0>] (warn_slowpath_fmt+0x8c/0xa8)
 3988 21:23:36.727181  [  119.445552]  r7:0000001c r6:c1a24cf0 r5:c1a24d2c r4:c6ab0000
 3989 21:23:36.769182  [  119.451225] [<c137fe28>] (warn_slowpath_fmt) from [<c086e574>] (refcount_warn_saturate+0x13c/0x174)
 3990 21:23:36.769760  [  119.460278]  r9:c1ad0d0c r8:c15e8634 r7:c6ab1f60 r6:0000001f r5:c4685000 r4:c6ab0000
 3991 21:23:36.770144  [  119.468036] [<c086e438>] (refcount_warn_saturate) from [<c0c30114>] (__refcount_sub_and_test.constprop.0+0x64/0x6c)
 3992 21:23:36.770503  [  119.478485] [<c0c300b0>] (__refcount_sub_and_test.constprop.0) from [<c138ce28>] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x50/0x8c)
 3993 21:23:36.813345  [  119.490149] [<c138cdd8>] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE) from [<c0c2f018>] (lkdtm_do_action+0x2c/0x4c)
 3994 21:23:36.813934  [  119.500066]  r4:00000032
 3995 21:23:36.814316  [  119.502612] [<c0c2efec>] (lkdtm_do_action) from [<c0c2f518>] (direct_entry+0x120/0x18c)
 3996 21:23:36.814676  [  119.510629] [<c0c2f3f8>] (direct_entry) from [<c07f6080>] (full_proxy_write+0x64/0x94)
 3997 21:23:36.815011  [  119.518554]  r9:c6ab1f60 r8:c530cd80 r7:0000001f r6:b6e29000 r5:c441a140 r4:c0c2f3f8
 3998 21:23:36.815372  [  119.526310] [<c07f601c>] (full_proxy_write) from [<c0598c00>] (vfs_write+0x10c/0x524)
 3999 21:23:36.815701  [  119.534149]  r9:c07f601c r8:c6ab1f60 r7:c2816000 r6:b6e29000 r5:c441a140 r4:00000000
 4000 21:23:36.857213  [  119.541901] [<c0598af4>] (vfs_write) from [<c0599194>] (ksys_write+0x74/0xec)
 4001 21:23:36.857799  [  119.549044]  r10:00000004 r9:00000000 r8:00000000 r7:b6e29000 r6:c6ab0000 r5:c441a140
 4002 21:23:36.858185  [  119.556878]  r4:c441a140
 4003 21:23:36.858534  [  119.559422] [<c0599120>] (ksys_write) from [<c0599224>] (sys_write+0x18/0x1c)
 4004 21:23:36.858874  [  119.566566]  r9:c6ab0000 r8:c03002e4 r7:00000004 r6:b6f70e00 r5:0000001f r4:0000001f
 4005 21:23:36.859209  [  119.574320] [<c059920c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 4006 21:23:36.900843  [  119.581894] Exception stack(0xc6ab1fa8 to 0xc6ab1ff0)
 4007 21:23:36.900985  [  119.586954] 1fa0:                   0000001f 0000001f 00000001 b6e29000 0000001f 00000000
 4008 21:23:36.901052  [  119.595140] 1fc0: 0000001f 0000001f b6f70e00 00000004 00000001 00000000 00020000 bed57a54
 4009 21:23:36.901114  [  119.603323] 1fe0: 00000004 bed57788 b6edb4cf b6e617e6
 4010 21:23:36.901173  [  119.608441] irq event stamp: 0
 4011 21:23:36.901231  [  119.611513] hardirqs last  enabled at (0): [<00000000>] 0x0
 4012 21:23:36.901287  [  119.617127] hardirqs last disabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 4013 21:23:36.945004  [  119.624643] softirqs last  enabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 4014 21:23:36.945240  [  119.632186] softirqs last disabled at (0): [<00000000>] 0x0
 4015 21:23:36.945371  [  119.637820] ---[ end trace dfcb905fa2d201d7 ]---
 4016 21:23:36.945489  [  119.642460] lkdtm: Negative detected: saturated
 4017 21:23:37.048779  # [  119.325558] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE
 4018 21:23:37.048963  # [  119.332367] lkdtm: attempting bad refcount_sub_and_test() below zero
 4019 21:23:37.049063  # [  119.338782] ------------[ cut here ]------------
 4020 21:23:37.049156  # [  119.343430] WARNING: CPU: 1 PID: 2926 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174
 4021 21:23:37.049249  # [  119.352010] refcount_t: underflow; use-after-free.
 4022 21:23:37.092447  # [  119.356841] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv imx_ldb gpu_sched dw_hdmi_imx dw_hdmi parallel_display imxdrm imx_ipu_v3
 4023 21:23:37.093031  # [  119.386007] CPU: 1 PID: 2926 Comm: cat Tainted: G      D W         5.10.153-cip19 #1
 4024 21:23:37.093386  # [  119.393756] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 4025 21:23:37.093730  # [  119.400288] Backtrace: 
 4026 21:23:37.094039  # [  119.402764] [<c137e9d0>] (dump_backtrace) from [<c137ed90>] (show_stack+0x20/0x24)
 4027 21:23:37.134874  # [  119.410343]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4
 4028 21:23:37.135018  # [  119.416016] [<c137ed70>] (show_stack) from [<c1385f0c>] (dump_stack+0xe0/0x100)
 4029 21:23:37.135085  # [  119.423340] [<c1385e2c>] (dump_stack) from [<c03566f0>] (__warn+0xfc/0x16c)
 4030 21:23:37.135148  # [  119.430310]  r9:00000009 r8:c086e574 r7:0000001c r6:00000009 r5:c086e574 r4:c1a24cf0
 4031 21:23:37.135209  # [  119.438063] [<c03565f4>] (__warn) from [<c137feb0>] (warn_slowpath_fmt+0x8c/0xa8)
 4032 21:23:37.135268  # [  119.445552]  r7:0000001c r6:c1a24cf0 r5:c1a24d2c r4:c6ab0000
 4033 21:23:37.177966  # [  119.451225] [<c137fe28>] (warn_slowpath_fmt) from [<c086e574>] (refcount_warn_saturate+0x13c/0x174)
 4034 21:23:37.178109  # [  119.460278]  r9:c1ad0d0c r8:c15e8634 r7:c6ab1f60 r6:0000001f r5:c4685000 r4:c6ab0000
 4035 21:23:37.178176  # [  119.468036] [<c086e438>] (refcount_warn_saturate) from [<c0c30114>] (__refcount_sub_and_test.constprop.0+0x64/0x6c)
 4036 21:23:37.178240  # [  119.478485] [<c0c300b0>] (__refcount_sub_and_test.constprop.0) from [<c138ce28>] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x50/0x8c)
 4037 21:23:37.221045  # [  119.490149] [<c138cdd8>] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE) from [<c0c2f018>] (lkdtm_do_action+0x2c/0x4c)
 4038 21:23:37.221175  # [  119.500066]  r4:00000032
 4039 21:23:37.221275  # [  119.502612] [<c0c2efec>] (lkdtm_do_action) from [<c0c2f518>] (direct_entry+0x120/0x18c)
 4040 21:23:37.221369  # [  119.510629] [<c0c2f3f8>] (direct_entry) from [<c07f6080>] (full_proxy_write+0x64/0x94)
 4041 21:23:37.221459  # [  119.518554]  r9:c6ab1f60 r8:c530cd80 r7:0000001f r6:b6e29000 r5:c441a140 r4:c0c2f3f8
 4042 21:23:37.221547  # [  119.526310] [<c07f601c>] (full_proxy_write) from [<c0598c00>] (vfs_write+0x10c/0x524)
 4043 21:23:37.269304  # [  119.534149]  r9:c07f601c r8:c6ab1f60 r7:c2816000 r6:b6e29000 r5:c441a140 r4:00000000
 4044 21:23:37.269852  # [  119.541901] [<c0598af4>] (vfs_write) from [<c0599194>] (ksys_write+0x74/0xec)
 4045 21:23:37.270282  # [  119.549044]  r10:00000004 r9:00000000 r8:00000000 r7:b6e29000 r6:c6ab0000 r5:c441a140
 4046 21:23:37.270609  # [  119.556878]  r4:c441a140
 4047 21:23:37.270917  # [  119.559422] [<c0599120>] (ksys_write) from [<c0599224>] (sys_write+0x18/0x1c)
 4048 21:23:37.271220  # [  119.566566]  r9:c6ab0000 r8:c03002e4 r7:00000004 r6:b6f70e00 r5:0000001f r4:0000001f
 4049 21:23:37.271512  # [  119.574320] [<c059920c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 4050 21:23:37.313322  # [  119.581894] Exception stack(0xc6ab1fa8 to 0xc6ab1ff0)
 4051 21:23:37.313909  # [  119.586954] 1fa0:                   0000001f 0000001f 00000001 b6e29000 0000001f 00000000
 4052 21:23:37.314299  # [  119.595140] 1fc0: 0000001f 0000001f b6f70e00 00000004 00000001 00000000 00020000 bed57a54
 4053 21:23:37.314655  # [  119.603323] 1fe0: 00000004 bed57788 b6edb4cf b6e617e6
 4054 21:23:37.314995  # [  119.608441] irq event stamp: 0
 4055 21:23:37.315325  # [  119.611513] hardirqs last  enabled at (0): [<00000000>] 0x0
 4056 21:23:37.315651  # [  119.617127] hardirqs last disabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 4057 21:23:37.361013  # [  119.624643] softirqs last  enabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 4058 21:23:37.361525  # [  119.632186] softirqs last disabled at (0): [<00000000>] 0x0
 4059 21:23:37.361870  # [  119.637820] ---[ end trace dfcb905fa2d201d7 ]---
 4060 21:23:37.362195  # [  119.642460] lkdtm: Negative detected: saturated
 4061 21:23:37.362505  # REFCOUNT_SUB_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok
 4062 21:23:37.362807  ok 49 selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh
 4063 21:23:37.363107  # selftests: lkdtm: REFC[  120.077056] lkdtm: Performing direct entry REFCOUNT_INC_ZERO
 4064 21:23:37.405110  OUNT_INC_ZER[O . s1h2
 4065 21:23:37.405666  0
 4066 21:23:37.406051  .084161] lkdtm: attempting safe refcount_inc_not_zero() from zero
 4067 21:23:37.406416  [  120.092215] lkdtm: Good: zero detected
 4068 21:23:37.406758  [  120.096038] lkdtm: Correctly stayed at zero
 4069 21:23:37.407088  [  120.100236] lkdtm: attempting bad refcount_inc() from zero
 4070 21:23:37.407409  [  120.105871] ------------[ cut here ]------------
 4071 21:23:37.407727  [  120.110546] WARNING: CPU: 1 PID: 2958 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174
 4072 21:23:37.408046  [  120.119112] refcount_t: addition on 0; use-after-free.
 4073 21:23:37.453273  [  120.124260] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv imx_ldb gpu_sched dw_hdmi_imx dw_hdmi parallel_display imxdrm imx_ipu_v3
 4074 21:23:37.453876  [  120.153414] CPU: 1 PID: 2958 Comm: cat Tainted: G      D W         5.10.153-cip19 #1
 4075 21:23:37.454266  [  120.161163] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 4076 21:23:37.454621  [  120.167695] Backtrace: 
 4077 21:23:37.497155  [  120.170171] [<c137e9d0>] (dump_backtrace) from [<c137ed90>] (show_stack+0x20/0x24)
 4078 21:23:37.497735  [  120.177751]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4
 4079 21:23:37.498119  [  120.183424] [<c137ed70>] (show_stack) from [<c1385f0c>] (dump_stack+0xe0/0x100)
 4080 21:23:37.498473  [  120.190747] [<c1385e2c>] (dump_stack) from [<c03566f0>] (__warn+0xfc/0x16c)
 4081 21:23:37.498813  [  120.197716]  r9:00000009 r8:c086e540 r7:00000019 r6:00000009 r5:c086e540 r4:c1a24cf0
 4082 21:23:37.499143  [  120.205469] [<c03565f4>] (__warn) from [<c137feb0>] (warn_slowpath_fmt+0x8c/0xa8)
 4083 21:23:37.541169  [  120.212959]  r7:00000019 r6:c1a24cf0 r5:c1a24d00 r4:c68e6000
 4084 21:23:37.541748  [  120.218632] [<c137fe28>] (warn_slowpath_fmt) from [<c086e540>] (refcount_warn_saturate+0x108/0x174)
 4085 21:23:37.542138  [  120.227687]  r9:c1ad0d2c r8:c15e8634 r7:c68e7f60 r6:00000012 r5:00000000 r4:c68e6000
 4086 21:23:37.542494  [  120.235443] [<c086e438>] (refcount_warn_saturate) from [<c0c300ac>] (__refcount_add.constprop.0+0x54/0x58)
 4087 21:23:37.542834  [  120.245110] [<c0c30058>] (__refcount_add.constprop.0) from [<c138cf0c>] (lkdtm_REFCOUNT_INC_ZERO+0xa8/0xcc)
 4088 21:23:37.585254  [  120.254867] [<c138ce64>] (lkdtm_REFCOUNT_INC_ZERO) from [<c0c2f018>] (lkdtm_do_action+0x2c/0x4c)
 4089 21:23:37.585841  [  120.263656]  r5:c6b3f000 r4:00000033
 4090 21:23:37.586226  [  120.267244] [<c0c2efec>] (lkdtm_do_action) from [<c0c2f518>] (direct_entry+0x120/0x18c)
 4091 21:23:37.586585  [  120.275263] [<c0c2f3f8>] (direct_entry) from [<c07f6080>] (full_proxy_write+0x64/0x94)
 4092 21:23:37.586928  [  120.283187]  r9:c68e7f60 r8:c530cd80 r7:00000012 r6:b6e42000 r5:c441b040 r4:c0c2f3f8
 4093 21:23:37.587262  [  120.290946] [<c07f601c>] (full_proxy_write) from [<c0598c00>] (vfs_write+0x10c/0x524)
 4094 21:23:37.629296  [  120.298785]  r9:c07f601c r8:c68e7f60 r7:c2816000 r6:b6e42000 r5:c441b040 r4:00000000
 4095 21:23:37.629881  [  120.306536] [<c0598af4>] (vfs_write) from [<c0599194>] (ksys_write+0x74/0xec)
 4096 21:23:37.630266  [  120.313680]  r10:00000004 r9:00000000 r8:00000000 r7:b6e42000 r6:c68e6000 r5:c441b040
 4097 21:23:37.630620  [  120.321514]  r4:c441b040
 4098 21:23:37.630955  [  120.324057] [<c0599120>] (ksys_write) from [<c0599224>] (sys_write+0x18/0x1c)
 4099 21:23:37.631284  [  120.331200]  r9:c68e6000 r8:c03002e4 r7:00000004 r6:b6f89e00 r5:00000012 r4:00000012
 4100 21:23:37.672818  [  120.338954] [<c059920c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 4101 21:23:37.672974  [  120.346528] Exception stack(0xc68e7fa8 to 0xc68e7ff0)
 4102 21:23:37.673053  [  120.351589] 7fa0:                   00000012 00000012 00000001 b6e42000 00000012 00000000
 4103 21:23:37.673115  [  120.359775] 7fc0: 00000012 00000012 b6f89e00 00000004 00000001 00000000 00020000 bed43a54
 4104 21:23:37.673198  [  120.367957] 7fe0: 00000004 bed43788 b6ef44cf b6e7a7e6
 4105 21:23:37.673267  [  120.373085] irq event stamp: 0
 4106 21:23:37.673322  [  120.376178] hardirqs last  enabled at (0): [<00000000>] 0x0
 4107 21:23:37.721117  [  120.381768] hardirqs last disabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 4108 21:23:37.721623  [  120.389315] softirqs last  enabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 4109 21:23:37.721970  [  120.396854] softirqs last disabled at (0): [<00000000>] 0x0
 4110 21:23:37.722288  [  120.402448] ---[ end trace dfcb905fa2d201d8 ]---
 4111 21:23:37.722596  [  120.407119] lkdtm: Zero detected: saturated
 4112 21:23:37.814013  # [  120.077056] lkdtm: Performing direct entry REFCOUNT_INC_ZERO
 4113 21:23:37.814555  # [  120.084161] lkdtm: attempting safe refcount_inc_not_zero() from zero
 4114 21:23:37.814923  # [  120.092215] lkdtm: Good: zero detected
 4115 21:23:37.815277  # [  120.096038] lkdtm: Correctly stayed at zero
 4116 21:23:37.815616  # [  120.100236] lkdtm: attempting bad refcount_inc() from zero
 4117 21:23:37.815956  # [  120.105871] ------------[ cut here ]------------
 4118 21:23:37.816247  # [  120.110546] WARNING: CPU: 1 PID: 2958 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174
 4119 21:23:37.861167  # [  120.119112] refcount_t: addition on 0; use-after-free.
 4120 21:23:37.861756  # [  120.124260] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv imx_ldb gpu_sched dw_hdmi_imx dw_hdmi parallel_display imxdrm imx_ipu_v3
 4121 21:23:37.862164  # [  120.153414] CPU: 1 PID: 2958 Comm: cat Tainted: G      D W         5.10.153-cip19 #1
 4122 21:23:37.904998  # [  120.161163] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 4123 21:23:37.905530  # [  120.167695] Backtrace: 
 4124 21:23:37.905914  # [  120.170171] [<c137e9d0>] (dump_backtrace) from [<c137ed90>] (show_stack+0x20/0x24)
 4125 21:23:37.906271  # [  120.177751]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4
 4126 21:23:37.906617  # [  120.183424] [<c137ed70>] (show_stack) from [<c1385f0c>] (dump_stack+0xe0/0x100)
 4127 21:23:37.906950  # [  120.190747] [<c1385e2c>] (dump_stack) from [<c03566f0>] (__warn+0xfc/0x16c)
 4128 21:23:37.907276  # [  120.197716]  r9:00000009 r8:c086e540 r7:00000019 r6:00000009 r5:c086e540 r4:c1a24cf0
 4129 21:23:37.949094  # [  120.205469] [<c03565f4>] (__warn) from [<c137feb0>] (warn_slowpath_fmt+0x8c/0xa8)
 4130 21:23:37.949532  # [  120.212959]  r7:00000019 r6:c1a24cf0 r5:c1a24d00 r4:c68e6000
 4131 21:23:37.949873  # [  120.218632] [<c137fe28>] (warn_slowpath_fmt) from [<c086e540>] (refcount_warn_saturate+0x108/0x174)
 4132 21:23:37.950193  # [  120.227687]  r9:c1ad0d2c r8:c15e8634 r7:c68e7f60 r6:00000012 r5:00000000 r4:c68e6000
 4133 21:23:37.950497  # [  120.235443] [<c086e438>] (refcount_warn_saturate) from [<c0c300ac>] (__refcount_add.constprop.0+0x54/0x58)
 4134 21:23:37.993108  # [  120.245110] [<c0c30058>] (__refcount_add.constprop.0) from [<c138cf0c>] (lkdtm_REFCOUNT_INC_ZERO+0xa8/0xcc)
 4135 21:23:37.993619  # [  120.254867] [<c138ce64>] (lkdtm_REFCOUNT_INC_ZERO) from [<c0c2f018>] (lkdtm_do_action+0x2c/0x4c)
 4136 21:23:37.993969  # [  120.263656]  r5:c6b3f000 r4:00000033
 4137 21:23:37.994290  # [  120.267244] [<c0c2efec>] (lkdtm_do_action) from [<c0c2f518>] (direct_entry+0x120/0x18c)
 4138 21:23:37.994603  # [  120.275263] [<c0c2f3f8>] (direct_entry) from [<c07f6080>] (full_proxy_write+0x64/0x94)
 4139 21:23:37.994901  # [  120.283187]  r9:c68e7f60 r8:c530cd80 r7:00000012 r6:b6e42000 r5:c441b040 r4:c0c2f3f8
 4140 21:23:38.037158  # [  120.290946] [<c07f601c>] (full_proxy_write) from [<c0598c00>] (vfs_write+0x10c/0x524)
 4141 21:23:38.037671  # [  120.298785]  r9:c07f601c r8:c68e7f60 r7:c2816000 r6:b6e42000 r5:c441b040 r4:00000000
 4142 21:23:38.038021  # [  120.306536] [<c0598af4>] (vfs_write) from [<c0599194>] (ksys_write+0x74/0xec)
 4143 21:23:38.038348  # [  120.313680]  r10:00000004 r9:00000000 r8:00000000 r7:b6e42000 r6:c68e6000 r5:c441b040
 4144 21:23:38.038657  # [  120.321514]  r4:c441b040
 4145 21:23:38.038955  # [  120.324057] [<c0599120>] (ksys_write) from [<c0599224>] (sys_write+0x18/0x1c)
 4146 21:23:38.081170  # [  120.331200]  r9:c68e6000 r8:c03002e4 r7:00000004 r6:b6f89e00 r5:00000012 r4:00000012
 4147 21:23:38.081705  # [  120.338954] [<c059920c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 4148 21:23:38.082051  # [  120.346528] Exception stack(0xc68e7fa8 to 0xc68e7ff0)
 4149 21:23:38.082371  # [  120.351589] 7fa0:                   00000012 00000012 00000001 b6e42000 00000012 00000000
 4150 21:23:38.082681  # [  120.359775] 7fc0: 00000012 00000012 b6f89e00 00000004 00000001 00000000 00020000 bed43a54
 4151 21:23:38.082982  # [  120.367957] 7fe0: 00000004 bed43788 b6ef44cf b6e7a7e6
 4152 21:23:38.083274  # [  120.373085] irq event stamp: 0
 4153 21:23:38.125165  # [  120.376178] hardirqs last  enabled at (0): [<00000000>] 0x0
 4154 21:23:38.125707  # [  120.381768] hardirqs last disabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 4155 21:23:38.126062  # [  120.389315] softirqs last  enabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 4156 21:23:38.126381  # [  120.396854] softirqs last disabled at (0): [<00000000>] 0x0
 4157 21:23:38.126690  # [  120.402448] ---[ end trace dfcb905fa2d201d8 ]---
 4158 21:23:38.126994  # [  120.407119] lkdtm: Zero detected: saturated
 4159 21:23:38.127287  # REFCOUNT_INC_ZERO: missing 'call trace:': [FAIL]
 4160 21:23:38.169173  not ok 50 selftests: lkdtm: REFCOUNT_INC_ZERO.sh # exit=1
 4161 21:23:38.169713  # selftests: lkdtm: REFCOUNT_ADD_ZERO.sh
 4162 21:23:38.170062  [  120.855315] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO
 4163 21:23:38.170384  [  120.861141] lkdtm: attempting safe refcount_add_not_zero() from zero
 4164 21:23:38.170697  [  120.867582] lkdtm: Good: zero detected
 4165 21:23:38.170999  [  120.871346] lkdtm: Correctly stayed at zero
 4166 21:23:38.171294  [  120.875599] lkdtm: attempting bad refcount_add() from zero
 4167 21:23:38.171585  [  120.881128] ------------[ cut here ]------------
 4168 21:23:38.212976  [  120.885819] WARNING: CPU: 1 PID: 2992 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174
 4169 21:23:38.213410  [  120.894353] refcount_t: addition on 0; use-after-free.
 4170 21:23:38.213757  [  120.899531] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv imx_ldb gpu_sched dw_hdmi_imx dw_hdmi parallel_display imxdrm imx_ipu_v3
 4171 21:23:38.214095  [  120.928679] CPU: 1 PID: 2992 Comm: cat Tainted: G      D W         5.10.153-cip19 #1
 4172 21:23:38.261172  [  120.936428] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 4173 21:23:38.261703  [  120.942961] Backtrace: 
 4174 21:23:38.262044  [  120.945439] [<c137e9d0>] (dump_backtrace) from [<c137ed90>] (show_stack+0x20/0x24)
 4175 21:23:38.262366  [  120.953018]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4
 4176 21:23:38.262675  [  120.958690] [<c137ed70>] (show_stack) from [<c1385f0c>] (dump_stack+0xe0/0x100)
 4177 21:23:38.262978  [  120.966012] [<c1385e2c>] (dump_stack) from [<c03566f0>] (__warn+0xfc/0x16c)
 4178 21:23:38.305072  [  120.972983]  r9:00000009 r8:c086e540 r7:00000019 r6:00000009 r5:c086e540 r4:c1a24cf0
 4179 21:23:38.305575  [  120.980735] [<c03565f4>] (__warn) from [<c137feb0>] (warn_slowpath_fmt+0x8c/0xa8)
 4180 21:23:38.305928  [  120.988224]  r7:00000019 r6:c1a24cf0 r5:c1a24d00 r4:c68ca000
 4181 21:23:38.306251  [  120.993898] [<c137fe28>] (warn_slowpath_fmt) from [<c086e540>] (refcount_warn_saturate+0x108/0x174)
 4182 21:23:38.306562  [  121.002950]  r9:c1ad0d40 r8:c15e8634 r7:c68cbf60 r6:00000012 r5:00000000 r4:c68ca000
 4183 21:23:38.306863  [  121.010706] [<c086e438>] (refcount_warn_saturate) from [<c0c300ac>] (__refcount_add.constprop.0+0x54/0x58)
 4184 21:23:38.349100  [  121.020372] [<c0c30058>] (__refcount_add.constprop.0) from [<c138cfd8>] (lkdtm_REFCOUNT_ADD_ZERO+0xa8/0xcc)
 4185 21:23:38.349606  [  121.030127] [<c138cf30>] (lkdtm_REFCOUNT_ADD_ZERO) from [<c0c2f018>] (lkdtm_do_action+0x2c/0x4c)
 4186 21:23:38.349958  [  121.038917]  r5:c6b3f000 r4:00000034
 4187 21:23:38.350283  [  121.042505] [<c0c2efec>] (lkdtm_do_action) from [<c0c2f518>] (direct_entry+0x120/0x18c)
 4188 21:23:38.350594  [  121.050523] [<c0c2f3f8>] (direct_entry) from [<c07f6080>] (full_proxy_write+0x64/0x94)
 4189 21:23:38.350897  [  121.058449]  r9:c68cbf60 r8:c530cd80 r7:00000012 r6:b6e5e000 r5:c441b180 r4:c0c2f3f8
 4190 21:23:38.393214  [  121.066206] [<c07f601c>] (full_proxy_write) from [<c0598c00>] (vfs_write+0x10c/0x524)
 4191 21:23:38.393799  [  121.074044]  r9:c07f601c r8:c68cbf60 r7:c2816000 r6:b6e5e000 r5:c441b180 r4:00000000
 4192 21:23:38.394185  [  121.081795] [<c0598af4>] (vfs_write) from [<c0599194>] (ksys_write+0x74/0xec)
 4193 21:23:38.394541  [  121.088939]  r10:00000004 r9:00000000 r8:00000000 r7:b6e5e000 r6:c68ca000 r5:c441b180
 4194 21:23:38.394881  [  121.096774]  r4:c441b180
 4195 21:23:38.395212  [  121.099316] [<c0599120>] (ksys_write) from [<c0599224>] (sys_write+0x18/0x1c)
 4196 21:23:38.436862  [  121.106460]  r9:c68ca000 r8:c03002e4 r7:00000004 r6:b6fa5e00 r5:00000012 r4:00000012
 4197 21:23:38.437023  [  121.114214] [<c059920c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 4198 21:23:38.437091  [  121.121788] Exception stack(0xc68cbfa8 to 0xc68cbff0)
 4199 21:23:38.437153  [  121.126849] bfa0:                   00000012 00000012 00000001 b6e5e000 00000012 00000000
 4200 21:23:38.437213  [  121.135035] bfc0: 00000012 00000012 b6fa5e00 00000004 00000001 00000000 00020000 bed01a54
 4201 21:23:38.437270  [  121.143219] bfe0: 00000004 bed01788 b6f104cf b6e967e6
 4202 21:23:38.437326  [  121.148340] irq event stamp: 0
 4203 21:23:38.481333  [  121.151413] hardirqs last  enabled at (0): [<00000000>] 0x0
 4204 21:23:38.481918  [  121.157028] hardirqs last disabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 4205 21:23:38.482305  [  121.164545] softirqs last  enabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 4206 21:23:38.482659  [  121.172086] softirqs last disabled at (0): [<00000000>] 0x0
 4207 21:23:38.482992  [  121.177700] ---[ end trace dfcb905fa2d201d9 ]---
 4208 21:23:38.483320  [  121.182332] lkdtm: Zero detected: saturated
 4209 21:23:38.589290  # [  120.855315] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO
 4210 21:23:38.589432  # [  120.861141] lkdtm: attempting safe refcount_add_not_zero() from zero
 4211 21:23:38.589499  # [  120.867582] lkdtm: Good: zero detected
 4212 21:23:38.589560  # [  120.871346] lkdtm: Correctly stayed at zero
 4213 21:23:38.589619  # [  120.875599] lkdtm: attempting bad refcount_add() from zero
 4214 21:23:38.589676  # [  120.881128] ------------[ cut here ]------------
 4215 21:23:38.589769  # [  120.885819] WARNING: CPU: 1 PID: 2992 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174
 4216 21:23:38.632898  # [  120.894353] refcount_t: addition on 0; use-after-free.
 4217 21:23:38.633016  # [  120.899531] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv imx_ldb gpu_sched dw_hdmi_imx dw_hdmi parallel_display imxdrm imx_ipu_v3
 4218 21:23:38.633086  # [  120.928679] CPU: 1 PID: 2992 Comm: cat Tainted: G      D W         5.10.153-cip19 #1
 4219 21:23:38.676865  # [  120.936428] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 4220 21:23:38.676979  # [  120.942961] Backtrace: 
 4221 21:23:38.677059  # [  120.945439] [<c137e9d0>] (dump_backtrace) from [<c137ed90>] (show_stack+0x20/0x24)
 4222 21:23:38.677134  # [  120.953018]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4
 4223 21:23:38.677195  # [  120.958690] [<c137ed70>] (show_stack) from [<c1385f0c>] (dump_stack+0xe0/0x100)
 4224 21:23:38.677253  # [  120.966012] [<c1385e2c>] (dump_stack) from [<c03566f0>] (__warn+0xfc/0x16c)
 4225 21:23:38.677323  # [  120.972983]  r9:00000009 r8:c086e540 r7:00000019 r6:00000009 r5:c086e540 r4:c1a24cf0
 4226 21:23:38.720820  # [  120.980735] [<c03565f4>] (__warn) from [<c137feb0>] (warn_slowpath_fmt+0x8c/0xa8)
 4227 21:23:38.720952  # [  120.988224]  r7:00000019 r6:c1a24cf0 r5:c1a24d00 r4:c68ca000
 4228 21:23:38.721022  # [  120.993898] [<c137fe28>] (warn_slowpath_fmt) from [<c086e540>] (refcount_warn_saturate+0x108/0x174)
 4229 21:23:38.721084  # [  121.002950]  r9:c1ad0d40 r8:c15e8634 r7:c68cbf60 r6:00000012 r5:00000000 r4:c68ca000
 4230 21:23:38.721174  # [  121.010706] [<c086e438>] (refcount_warn_saturate) from [<c0c300ac>] (__refcount_add.constprop.0+0x54/0x58)
 4231 21:23:38.764868  # [  121.020372] [<c0c30058>] (__refcount_add.constprop.0) from [<c138cfd8>] (lkdtm_REFCOUNT_ADD_ZERO+0xa8/0xcc)
 4232 21:23:38.764984  # [  121.030127] [<c138cf30>] (lkdtm_REFCOUNT_ADD_ZERO) from [<c0c2f018>] (lkdtm_do_action+0x2c/0x4c)
 4233 21:23:38.765052  # [  121.038917]  r5:c6b3f000 r4:00000034
 4234 21:23:38.765115  # [  121.042505] [<c0c2efec>] (lkdtm_do_action) from [<c0c2f518>] (direct_entry+0x120/0x18c)
 4235 21:23:38.765175  # [  121.050523] [<c0c2f3f8>] (direct_entry) from [<c07f6080>] (full_proxy_write+0x64/0x94)
 4236 21:23:38.765233  # [  121.058449]  r9:c68cbf60 r8:c530cd80 r7:00000012 r6:b6e5e000 r5:c441b180 r4:c0c2f3f8
 4237 21:23:38.808803  # [  121.066206] [<c07f601c>] (full_proxy_write) from [<c0598c00>] (vfs_write+0x10c/0x524)
 4238 21:23:38.808918  # [  121.074044]  r9:c07f601c r8:c68cbf60 r7:c2816000 r6:b6e5e000 r5:c441b180 r4:00000000
 4239 21:23:38.808985  # [  121.081795] [<c0598af4>] (vfs_write) from [<c0599194>] (ksys_write+0x74/0xec)
 4240 21:23:38.809049  # [  121.088939]  r10:00000004 r9:00000000 r8:00000000 r7:b6e5e000 r6:c68ca000 r5:c441b180
 4241 21:23:38.809108  # [  121.096774]  r4:c441b180
 4242 21:23:38.809166  # [  121.099316] [<c0599120>] (ksys_write) from [<c0599224>] (sys_write+0x18/0x1c)
 4243 21:23:38.852812  # [  121.106460]  r9:c68ca000 r8:c03002e4 r7:00000004 r6:b6fa5e00 r5:00000012 r4:00000012
 4244 21:23:38.852918  # [  121.114214] [<c059920c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 4245 21:23:38.852985  # [  121.121788] Exception stack(0xc68cbfa8 to 0xc68cbff0)
 4246 21:23:38.853047  # [  121.126849] bfa0:                   00000012 00000012 00000001 b6e5e000 00000012 00000000
 4247 21:23:38.853105  # [  121.135035] bfc0: 00000012 00000012 b6fa5e00 00000004 00000001 00000000 00020000 bed01a54
 4248 21:23:38.853162  # [  121.143219] bfe0: 00000004 bed01788 b6f104cf b6e967e6
 4249 21:23:38.853217  # [  121.148340] irq event stamp: 0
 4250 21:23:38.896829  # [  121.151413] hardirqs last  enabled at (0): [<00000000>] 0x0
 4251 21:23:38.896955  # [  121.157028] hardirqs last disabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 4252 21:23:38.897022  # [  121.164545] softirqs last  enabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 4253 21:23:38.897084  # [  121.172086] softirqs last disabled at (0): [<00000000>] 0x0
 4254 21:23:38.897141  # [  121.177700] ---[ end trace dfcb905fa2d201d9 ]---
 4255 21:23:38.897199  # [  121.182332] lkdtm: Zero detected: saturat[  121.615816] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED
 4256 21:23:38.897255  ed
 4257 21:23:38.940793  # REFCOUNT_[A D D1_2Z1E.R6O2:959] lkdtm: attempting bad refcount_inc() from saturated
 4258 21:23:38.940898   missing 'call trace:': [FAIL]
 4259 21:23:38.940964  n[  121.632026] ------------[ cut here ]------------
 4260 21:23:38.941026  ot ok 51 selftests: lkdtm: REFCOU[  121.639519] WARNING: CPU: 2 PID: 3029 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174
 4261 21:23:38.941086  NT_ADD_ZERO.sh # exit=1
 4262 21:23:38.941143  # selfte[  121.650773] refcount_t: saturated; leaking memory.
 4263 21:23:38.984790  sts: lkdtm: REFCOUNT_INC_SATURATE[  121.658366] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv imx_ldb gpu_sched dw_hdmi_imx dw_hdmi parallel_display imxdrm imx_ipu_v3
 4264 21:23:38.984910  D.sh
 4265 21:23:38.984975  [  121.690068] CPU: 2 PID: 3029 Comm: cat Tainted: G      D W         5.10.153-cip19 #1
 4266 21:23:38.985038  [  121.698295] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 4267 21:23:38.985097  [  121.704829] Backtrace: 
 4268 21:23:39.028857  [  121.707305] [<c137e9d0>] (dump_backtrace) from [<c137ed90>] (show_stack+0x20/0x24)
 4269 21:23:39.028994  [  121.714885]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4
 4270 21:23:39.029061  [  121.720558] [<c137ed70>] (show_stack) from [<c1385f0c>] (dump_stack+0xe0/0x100)
 4271 21:23:39.029122  [  121.727881] [<c1385e2c>] (dump_stack) from [<c03566f0>] (__warn+0xfc/0x16c)
 4272 21:23:39.029182  [  121.734852]  r9:00000009 r8:c086e50c r7:00000016 r6:00000009 r5:c086e50c r4:c1a24cf0
 4273 21:23:39.029241  [  121.742605] [<c03565f4>] (__warn) from [<c137feb0>] (warn_slowpath_fmt+0x8c/0xa8)
 4274 21:23:39.072818  [  121.750093]  r7:00000016 r6:c1a24cf0 r5:c1a24cc8 r4:c5fe4000
 4275 21:23:39.072955  [  121.755767] [<c137fe28>] (warn_slowpath_fmt) from [<c086e50c>] (refcount_warn_saturate+0xd4/0x174)
 4276 21:23:39.073022  [  121.764734]  r9:c1ad0d54 r8:c15e8634 r7:c5fe5f60 r6:00000017 r5:c698d000 r4:c5fe4000
 4277 21:23:39.073084  [  121.772489] [<c086e438>] (refcount_warn_saturate) from [<c0c3009c>] (__refcount_add.constprop.0+0x44/0x58)
 4278 21:23:39.073143  [  121.782154] [<c0c30058>] (__refcount_add.constprop.0) from [<c138d048>] (lkdtm_REFCOUNT_INC_SATURATED+0x4c/0x70)
 4279 21:23:39.116776  [  121.792345] [<c138cffc>] (lkdtm_REFCOUNT_INC_SATURATED) from [<c0c2f018>] (lkdtm_do_action+0x2c/0x4c)
 4280 21:23:39.116909  [  121.801568]  r4:00000035
 4281 21:23:39.116975  [  121.804113] [<c0c2efec>] (lkdtm_do_action) from [<c0c2f518>] (direct_entry+0x120/0x18c)
 4282 21:23:39.117037  [  121.812131] [<c0c2f3f8>] (direct_entry) from [<c07f6080>] (full_proxy_write+0x64/0x94)
 4283 21:23:39.117096  [  121.820057]  r9:c5fe5f60 r8:c530cd80 r7:00000017 r6:b6e6c000 r5:c4344640 r4:c0c2f3f8
 4284 21:23:39.117154  [  121.827814] [<c07f601c>] (full_proxy_write) from [<c0598c00>] (vfs_write+0x10c/0x524)
 4285 21:23:39.160854  [  121.835653]  r9:c07f601c r8:c5fe5f60 r7:c2816000 r6:b6e6c000 r5:c4344640 r4:00000000
 4286 21:23:39.161000  [  121.843407] [<c0598af4>] (vfs_write) from [<c0599194>] (ksys_write+0x74/0xec)
 4287 21:23:39.161066  [  121.850552]  r10:00000004 r9:00000000 r8:00000000 r7:b6e6c000 r6:c5fe4000 r5:c4344640
 4288 21:23:39.161128  [  121.858385]  r4:c4344640
 4289 21:23:39.161187  [  121.860931] [<c0599120>] (ksys_write) from [<c0599224>] (sys_write+0x18/0x1c)
 4290 21:23:39.161245  [  121.868076]  r9:c5fe4000 r8:c03002e4 r7:00000004 r6:b6fb3e00 r5:00000017 r4:00000017
 4291 21:23:39.161302  [  121.875829] [<c059920c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 4292 21:23:39.204838  [  121.883404] Exception stack(0xc5fe5fa8 to 0xc5fe5ff0)
 4293 21:23:39.205020  [  121.888464] 5fa0:                   00000017 00000017 00000001 b6e6c000 00000017 00000000
 4294 21:23:39.205089  [  121.896651] 5fc0: 00000017 00000017 b6fb3e00 00000004 00000001 00000000 00020000 befa1a54
 4295 21:23:39.205151  [  121.904836] 5fe0: 00000004 befa1788 b6f1e4cf b6ea47e6
 4296 21:23:39.205210  [  121.909958] irq event stamp: 0
 4297 21:23:39.205268  [  121.913031] hardirqs last  enabled at (0): [<00000000>] 0x0
 4298 21:23:39.205353  [  121.918648] hardirqs last disabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 4299 21:23:39.248861  [  121.926206] softirqs last  enabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 4300 21:23:39.249011  [  121.933710] softirqs last disabled at (0): [<00000000>] 0x0
 4301 21:23:39.249078  [  121.939333] ---[ end trace dfcb905fa2d201da ]---
 4302 21:23:39.249140  [  121.943968] lkdtm: Saturation detected: still saturated
 4303 21:23:39.353682  # [  121.615816] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED
 4304 21:23:39.353829  # [  121.623959] lkdtm: attempting bad refcount_inc() from saturated
 4305 21:23:39.353898  # [  121.632026] ------------[ cut here ]------------
 4306 21:23:39.353989  # [  121.639519] WARNING: CPU: 2 PID: 3029 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174
 4307 21:23:39.354063  # [  121.650773] refcount_t: saturated; leaking memory.
 4308 21:23:39.396901  # [  121.658366] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv imx_ldb gpu_sched dw_hdmi_imx dw_hdmi parallel_display imxdrm imx_ipu_v3
 4309 21:23:39.397004  # [  121.690068] CPU: 2 PID: 3029 Comm: cat Tainted: G      D W         5.10.153-cip19 #1
 4310 21:23:39.397070  # [  121.698295] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 4311 21:23:39.397132  # [  121.704829] Backtrace: 
 4312 21:23:39.397191  # [  121.707305] [<c137e9d0>] (dump_backtrace) from [<c137ed90>] (show_stack+0x20/0x24)
 4313 21:23:39.440822  # [  121.714885]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4
 4314 21:23:39.440906  # [  121.720558] [<c137ed70>] (show_stack) from [<c1385f0c>] (dump_stack+0xe0/0x100)
 4315 21:23:39.440971  # [  121.727881] [<c1385e2c>] (dump_stack) from [<c03566f0>] (__warn+0xfc/0x16c)
 4316 21:23:39.441030  # [  121.734852]  r9:00000009 r8:c086e50c r7:00000016 r6:00000009 r5:c086e50c r4:c1a24cf0
 4317 21:23:39.441088  # [  121.742605] [<c03565f4>] (__warn) from [<c137feb0>] (warn_slowpath_fmt+0x8c/0xa8)
 4318 21:23:39.441143  # [  121.750093]  r7:00000016 r6:c1a24cf0 r5:c1a24cc8 r4:c5fe4000
 4319 21:23:39.484827  # [  121.755767] [<c137fe28>] (warn_slowpath_fmt) from [<c086e50c>] (refcount_warn_saturate+0xd4/0x174)
 4320 21:23:39.484909  # [  121.764734]  r9:c1ad0d54 r8:c15e8634 r7:c5fe5f60 r6:00000017 r5:c698d000 r4:c5fe4000
 4321 21:23:39.484973  # [  121.772489] [<c086e438>] (refcount_warn_saturate) from [<c0c3009c>] (__refcount_add.constprop.0+0x44/0x58)
 4322 21:23:39.485034  # [  121.782154] [<c0c30058>] (__refcount_add.constprop.0) from [<c138d048>] (lkdtm_REFCOUNT_INC_SATURATED+0x4c/0x70)
 4323 21:23:39.528759  # [  121.792345] [<c138cffc>] (lkdtm_REFCOUNT_INC_SATURATED) from [<c0c2f018>] (lkdtm_do_action+0x2c/0x4c)
 4324 21:23:39.528842  # [  121.801568]  r4:00000035
 4325 21:23:39.528906  # [  121.804113] [<c0c2efec>] (lkdtm_do_action) from [<c0c2f518>] (direct_entry+0x120/0x18c)
 4326 21:23:39.528966  # [  121.812131] [<c0c2f3f8>] (direct_entry) from [<c07f6080>] (full_proxy_write+0x64/0x94)
 4327 21:23:39.529024  # [  121.820057]  r9:c5fe5f60 r8:c530cd80 r7:00000017 r6:b6e6c000 r5:c4344640 r4:c0c2f3f8
 4328 21:23:39.529081  # [  121.827814] [<c07f601c>] (full_proxy_write) from [<c0598c00>] (vfs_write+0x10c/0x524)
 4329 21:23:39.572769  # [  121.835653]  r9:c07f601c r8:c5fe5f60 r7:c2816000 r6:b6e6c000 r5:c4344640 r4:00000000
 4330 21:23:39.572852  # [  121.843407] [<c0598af4>] (vfs_write) from [<c0599194>] (ksys_write+0x74/0xec)
 4331 21:23:39.572917  # [  121.850552]  r10:00000004 r9:00000000 r8:00000000 r7:b6e6c000 r6:c5fe4000 r5:c4344640
 4332 21:23:39.572977  # [  121.858385]  r4:c4344640
 4333 21:23:39.573035  # [  121.860931] [<c0599120>] (ksys_write) from [<c0599224>] (sys_write+0x18/0x1c)
 4334 21:23:39.573091  # [  121.868076]  r9:c5fe4000 r8:c03002e4 r7:00000004 r6:b6fb3e00 r5:00000017 r4:00000017
 4335 21:23:39.573148  # [  121.875829] [<c059920c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 4336 21:23:39.616760  # [  121.883404] Exception stack(0xc5fe5fa8 to 0xc5fe5ff0)
 4337 21:23:39.616842  # [  121.888464] 5fa0:                   00000017 00000017 00000001 b6e6c000 00000017 00000000
 4338 21:23:39.616907  # [  121.896651] 5fc0: 00000017 00000017 b6fb3e00 00000004 00000001 00000000 00020000 befa1a54
 4339 21:23:39.616967  # [  121.904836] 5fe0: 00000004 befa1788 b6f1e4cf b6ea47e6
 4340 21:23:39.617026  # [  121.909958] irq event stamp: 0
 4341 21:23:39.617083  # [  121.913031] hardirqs last  enabled at (0): [<00000000>] 0x0
 4342 21:23:39.617140  # [  121.918648] hardirqs last disabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 4343 21:23:39.660798  # [  121.926206] softirqs last  enabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 4344 21:23:39.660893  # [  121.933710] softirqs last disabled at (0): [<00000000>] 0x0
 4345 21:23:39.660957  # [  121.939333] ---[ end trace dfcb905fa2d201da ]---
 4346 21:23:39.661045  # [  121.943968] lkdtm: Saturation detected: still saturated
 4347 21:23:39.661132  # REFCOUNT_INC_SATURATED:[  122.370603] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED
 4348 21:23:39.661214   saw 'Saturation detected: still [  122.377494] lkdtm: attempting bad refcount_dec() from saturated
 4349 21:23:39.661270  saturated': ok
 4350 21:23:39.704798  ok 52 selftests: [  122.386419] ------------[ cut here ]------------
 4351 21:23:39.704879  lkdtm: REFCOUNT_INC_SATURATED.sh
 4352 21:23:39.704942  [  122.393763] WARNING: CPU: 1 PID: 3064 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174
 4353 21:23:39.705001  
 4354 21:23:39.705058  # selftests: lkdtm: REFCOUNT_DEC[  122.405081] refcount_t: decrement hit 0; leaking memory.
 4355 21:23:39.705115  _SATURATED.sh
 4356 21:23:39.748760  [  122.413235] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv imx_ldb gpu_sched dw_hdmi_imx dw_hdmi parallel_display imxdrm imx_ipu_v3
 4357 21:23:39.748846  [  122.443382] CPU: 1 PID: 3064 Comm: cat Tainted: G      D W         5.10.153-cip19 #1
 4358 21:23:39.748911  [  122.451132] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 4359 21:23:39.748970  [  122.457666] Backtrace: 
 4360 21:23:39.749027  [  122.460143] [<c137e9d0>] (dump_backtrace) from [<c137ed90>] (show_stack+0x20/0x24)
 4361 21:23:39.749082  [  122.467721]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4
 4362 21:23:39.792780  [  122.473393] [<c137ed70>] (show_stack) from [<c1385f0c>] (dump_stack+0xe0/0x100)
 4363 21:23:39.792862  [  122.480718] [<c1385e2c>] (dump_stack) from [<c03566f0>] (__warn+0xfc/0x16c)
 4364 21:23:39.792927  [  122.487688]  r9:00000009 r8:c086e4a4 r7:0000001f r6:00000009 r5:c086e4a4 r4:c1a24cf0
 4365 21:23:39.792986  [  122.495441] [<c03565f4>] (__warn) from [<c137feb0>] (warn_slowpath_fmt+0x8c/0xa8)
 4366 21:23:39.793043  [  122.502930]  r7:0000001f r6:c1a24cf0 r5:c1a24d54 r4:c6848000
 4367 21:23:39.793097  [  122.508606] [<c137fe28>] (warn_slowpath_fmt) from [<c086e4a4>] (refcount_warn_saturate+0x6c/0x174)
 4368 21:23:39.836824  [  122.517572]  r9:c1ad0d6c r8:c15e8634 r7:c6849f60 r6:00000017 r5:c4685000 r4:c6848000
 4369 21:23:39.836907  [  122.525329] [<c086e438>] (refcount_warn_saturate) from [<c138c934>] (__refcount_dec.constprop.0+0x38/0x3c)
 4370 21:23:39.836973  [  122.534993] [<c138c8fc>] (__refcount_dec.constprop.0) from [<c138d0b4>] (lkdtm_REFCOUNT_DEC_SATURATED+0x48/0x6c)
 4371 21:23:39.837033  [  122.545183] [<c138d06c>] (lkdtm_REFCOUNT_DEC_SATURATED) from [<c0c2f018>] (lkdtm_do_action+0x2c/0x4c)
 4372 21:23:39.837091  [  122.554406]  r4:00000036
 4373 21:23:39.880787  [  122.556953] [<c0c2efec>] (lkdtm_do_action) from [<c0c2f518>] (direct_entry+0x120/0x18c)
 4374 21:23:39.880868  [  122.564970] [<c0c2f3f8>] (direct_entry) from [<c07f6080>] (full_proxy_write+0x64/0x94)
 4375 21:23:39.880931  [  122.572896]  r9:c6849f60 r8:c530cd80 r7:00000017 r6:b6e58000 r5:c4199040 r4:c0c2f3f8
 4376 21:23:39.880991  [  122.580653] [<c07f601c>] (full_proxy_write) from [<c0598c00>] (vfs_write+0x10c/0x524)
 4377 21:23:39.881049  [  122.588492]  r9:c07f601c r8:c6849f60 r7:c2816000 r6:b6e58000 r5:c4199040 r4:00000000
 4378 21:23:39.881105  [  122.596243] [<c0598af4>] (vfs_write) from [<c0599194>] (ksys_write+0x74/0xec)
 4379 21:23:39.924796  [  122.603387]  r10:00000004 r9:00000000 r8:00000000 r7:b6e58000 r6:c6848000 r5:c4199040
 4380 21:23:39.924876  [  122.611220]  r4:c4199040
 4381 21:23:39.924939  [  122.613764] [<c0599120>] (ksys_write) from [<c0599224>] (sys_write+0x18/0x1c)
 4382 21:23:39.924998  [  122.620908]  r9:c6848000 r8:c03002e4 r7:00000004 r6:b6f9fe00 r5:00000017 r4:00000017
 4383 21:23:39.925056  [  122.628663] [<c059920c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 4384 21:23:39.925112  [  122.636238] Exception stack(0xc6849fa8 to 0xc6849ff0)
 4385 21:23:39.968812  [  122.641298] 9fa0:                   00000017 00000017 00000001 b6e58000 00000017 00000000
 4386 21:23:39.968893  [  122.649485] 9fc0: 00000017 00000017 b6f9fe00 00000004 00000001 00000000 00020000 beb0ca54
 4387 21:23:39.968957  [  122.657668] 9fe0: 00000004 beb0c788 b6f0a4cf b6e907e6
 4388 21:23:39.969016  [  122.662792] irq event stamp: 0
 4389 21:23:39.969072  [  122.665886] hardirqs last  enabled at (0): [<00000000>] 0x0
 4390 21:23:39.969128  [  122.671477] hardirqs last disabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 4391 21:23:39.969182  [  122.679050] softirqs last  enabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 4392 21:23:39.969235  [  122.686591] softirqs last disabled at (0): [<00000000>] 0x0
 4393 21:23:40.012806  [  122.692179] ---[ end trace dfcb905fa2d201db ]---
 4394 21:23:40.012887  [  122.696845] lkdtm: Saturation detected: still saturated
 4395 21:23:40.106738  # [  122.370603] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED
 4396 21:23:40.106825  # [  122.377494] lkdtm: attempting bad refcount_dec() from saturated
 4397 21:23:40.106889  # [  122.386419] ------------[ cut here ]------------
 4398 21:23:40.106949  # [  122.393763] WARNING: CPU: 1 PID: 3064 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174
 4399 21:23:40.107008  # [  122.405081] refcount_t: decrement hit 0; leaking memory.
 4400 21:23:40.149807  # [  122.413235] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv imx_ldb gpu_sched dw_hdmi_imx dw_hdmi parallel_display imxdrm imx_ipu_v3
 4401 21:23:40.149893  # [  122.443382] CPU: 1 PID: 3064 Comm: cat Tainted: G      D W         5.10.153-cip19 #1
 4402 21:23:40.149957  # [  122.451132] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 4403 21:23:40.150017  # [  122.457666] Backtrace: 
 4404 21:23:40.150074  # [  122.460143] [<c137e9d0>] (dump_backtrace) from [<c137ed90>] (show_stack+0x20/0x24)
 4405 21:23:40.192834  # [  122.467721]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4
 4406 21:23:40.192916  # [  122.473393] [<c137ed70>] (show_stack) from [<c1385f0c>] (dump_stack+0xe0/0x100)
 4407 21:23:40.192979  # [  122.480718] [<c1385e2c>] (dump_stack) from [<c03566f0>] (__warn+0xfc/0x16c)
 4408 21:23:40.193039  # [  122.487688]  r9:00000009 r8:c086e4a4 r7:0000001f r6:00000009 r5:c086e4a4 r4:c1a24cf0
 4409 21:23:40.193112  # [  122.495441] [<c03565f4>] (__warn) from [<c137feb0>] (warn_slowpath_fmt+0x8c/0xa8)
 4410 21:23:40.193181  # [  122.502930]  r7:0000001f r6:c1a24cf0 r5:c1a24d54 r4:c6848000
 4411 21:23:40.236823  # [  122.508606] [<c137fe28>] (warn_slowpath_fmt) from [<c086e4a4>] (refcount_warn_saturate+0x6c/0x174)
 4412 21:23:40.236904  # [  122.517572]  r9:c1ad0d6c r8:c15e8634 r7:c6849f60 r6:00000017 r5:c4685000 r4:c6848000
 4413 21:23:40.236968  # [  122.525329] [<c086e438>] (refcount_warn_saturate) from [<c138c934>] (__refcount_dec.constprop.0+0x38/0x3c)
 4414 21:23:40.237029  # [  122.534993] [<c138c8fc>] (__refcount_dec.constprop.0) from [<c138d0b4>] (lkdtm_REFCOUNT_DEC_SATURATED+0x48/0x6c)
 4415 21:23:40.280818  # [  122.545183] [<c138d06c>] (lkdtm_REFCOUNT_DEC_SATURATED) from [<c0c2f018>] (lkdtm_do_action+0x2c/0x4c)
 4416 21:23:40.280899  # [  122.554406]  r4:00000036
 4417 21:23:40.280962  # [  122.556953] [<c0c2efec>] (lkdtm_do_action) from [<c0c2f518>] (direct_entry+0x120/0x18c)
 4418 21:23:40.281021  # [  122.564970] [<c0c2f3f8>] (direct_entry) from [<c07f6080>] (full_proxy_write+0x64/0x94)
 4419 21:23:40.281079  # [  122.572896]  r9:c6849f60 r8:c530cd80 r7:00000017 r6:b6e58000 r5:c4199040 r4:c0c2f3f8
 4420 21:23:40.281134  # [  122.580653] [<c07f601c>] (full_proxy_write) from [<c0598c00>] (vfs_write+0x10c/0x524)
 4421 21:23:40.324814  # [  122.588492]  r9:c07f601c r8:c6849f60 r7:c2816000 r6:b6e58000 r5:c4199040 r4:00000000
 4422 21:23:40.324897  # [  122.596243] [<c0598af4>] (vfs_write) from [<c0599194>] (ksys_write+0x74/0xec)
 4423 21:23:40.324962  # [  122.603387]  r10:00000004 r9:00000000 r8:00000000 r7:b6e58000 r6:c6848000 r5:c4199040
 4424 21:23:40.325021  # [  122.611220]  r4:c4199040
 4425 21:23:40.325078  # [  122.613764] [<c0599120>] (ksys_write) from [<c0599224>] (sys_write+0x18/0x1c)
 4426 21:23:40.325133  # [  122.620908]  r9:c6848000 r8:c03002e4 r7:00000004 r6:b6f9fe00 r5:00000017 r4:00000017
 4427 21:23:40.325188  # [  122.628663] [<c059920c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 4428 21:23:40.368819  # [  122.636238] Exception stack(0xc6849fa8 to 0xc6849ff0)
 4429 21:23:40.368925  # [  122.641298] 9fa0:                   00000017 00000017 00000001 b6e58000 00000017 00000000
 4430 21:23:40.369007  # [  122.649485] 9fc0: 00000017 00000017 b6f9fe00 00000004 00000001 00000000 00020000 beb0ca54
 4431 21:23:40.369095  # [  122.657668] 9fe0: 00000004 beb0c788 b6f0a4cf b6e907e6
 4432 21:23:40.369155  # [  122.662792] irq event stamp: 0
 4433 21:23:40.369212  # [  122.665886] hardirqs last  enabled at (0): [<00000000>] 0x0
 4434 21:23:40.369268  # [  122.671477] hardirqs last disabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 4435 21:23:40.412832  # [  122.679050] softirqs last  enabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 4436 21:23:40.412933  # [  122.686591] softirqs last disabled at (0): [<00000000>] 0x0
 4437 21:23:40.413000  # [  122.692179] ---[ end trace dfcb905fa2d201db ]---
 4438 21:23:40.413077  # [  122.696845] lkdtm: Saturation detected: still saturated
 4439 21:23:40.413139  # REFCOUNT_DEC_SATURATED: saw 'Saturation detected: still saturated': ok
 4440 21:23:40.413198  ok 53 selftests: lkdtm: REFCOUNT_DEC_SATURATED.sh
 4441 21:23:40.413273  # selftests: lkd[  123.133602] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED
 4442 21:23:40.456790  tm: REFCOUNT_ADD_SATURATED.sh
 4443 21:23:40.456878  [  123.141009] lkdtm: attempting bad refcount_dec() from saturated
 4444 21:23:40.456946  [  123.149605] ------------[ cut here ]------------
 4445 21:23:40.457008  [  123.154290] WARNING: CPU: 2 PID: 3099 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174
 4446 21:23:40.457069  [  123.162798] refcount_t: saturated; leaking memory.
 4447 21:23:40.500785  [  123.167635] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv imx_ldb gpu_sched dw_hdmi_imx dw_hdmi parallel_display imxdrm imx_ipu_v3
 4448 21:23:40.500873  [  123.196782] CPU: 2 PID: 3099 Comm: cat Tainted: G      D W         5.10.153-cip19 #1
 4449 21:23:40.500942  [  123.204531] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 4450 21:23:40.501006  [  123.211063] Backtrace: 
 4451 21:23:40.501066  [  123.213540] [<c137e9d0>] (dump_backtrace) from [<c137ed90>] (show_stack+0x20/0x24)
 4452 21:23:40.501126  [  123.221121]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4
 4453 21:23:40.544786  [  123.226795] [<c137ed70>] (show_stack) from [<c1385f0c>] (dump_stack+0xe0/0x100)
 4454 21:23:40.544869  [  123.234120] [<c1385e2c>] (dump_stack) from [<c03566f0>] (__warn+0xfc/0x16c)
 4455 21:23:40.544935  [  123.241091]  r9:00000009 r8:c086e50c r7:00000016 r6:00000009 r5:c086e50c r4:c1a24cf0
 4456 21:23:40.544996  [  123.248845] [<c03565f4>] (__warn) from [<c137feb0>] (warn_slowpath_fmt+0x8c/0xa8)
 4457 21:23:40.545055  [  123.256334]  r7:00000016 r6:c1a24cf0 r5:c1a24cc8 r4:c6b80000
 4458 21:23:40.545112  [  123.262007] [<c137fe28>] (warn_slowpath_fmt) from [<c086e50c>] (refcount_warn_saturate+0xd4/0x174)
 4459 21:23:40.588808  [  123.270975]  r9:c1ad0d84 r8:c15e8634 r7:c6b81f60 r6:00000017 r5:c6d27000 r4:c6b80000
 4460 21:23:40.588892  [  123.278732] [<c086e438>] (refcount_warn_saturate) from [<c0c3009c>] (__refcount_add.constprop.0+0x44/0x58)
 4461 21:23:40.588959  [  123.288400] [<c0c30058>] (__refcount_add.constprop.0) from [<c138d124>] (lkdtm_REFCOUNT_ADD_SATURATED+0x4c/0x70)
 4462 21:23:40.589021  [  123.298590] [<c138d0d8>] (lkdtm_REFCOUNT_ADD_SATURATED) from [<c0c2f018>] (lkdtm_do_action+0x2c/0x4c)
 4463 21:23:40.589079  [  123.307812]  r4:00000037
 4464 21:23:40.632794  [  123.310360] [<c0c2efec>] (lkdtm_do_action) from [<c0c2f518>] (direct_entry+0x120/0x18c)
 4465 21:23:40.632893  [  123.318377] [<c0c2f3f8>] (direct_entry) from [<c07f6080>] (full_proxy_write+0x64/0x94)
 4466 21:23:40.632959  [  123.326301]  r9:c6b81f60 r8:c530cd80 r7:00000017 r6:b6e61000 r5:c42aac80 r4:c0c2f3f8
 4467 21:23:40.633021  [  123.334059] [<c07f601c>] (full_proxy_write) from [<c0598c00>] (vfs_write+0x10c/0x524)
 4468 21:23:40.633081  [  123.341898]  r9:c07f601c r8:c6b81f60 r7:c2816000 r6:b6e61000 r5:c42aac80 r4:00000000
 4469 21:23:40.633149  [  123.349650] [<c0598af4>] (vfs_write) from [<c0599194>] (ksys_write+0x74/0xec)
 4470 21:23:40.676792  [  123.356794]  r10:00000004 r9:00000000 r8:00000000 r7:b6e61000 r6:c6b80000 r5:c42aac80
 4471 21:23:40.676876  [  123.364627]  r4:c42aac80
 4472 21:23:40.676941  [  123.367171] [<c0599120>] (ksys_write) from [<c0599224>] (sys_write+0x18/0x1c)
 4473 21:23:40.677002  [  123.374313]  r9:c6b80000 r8:c03002e4 r7:00000004 r6:b6fa8e00 r5:00000017 r4:00000017
 4474 21:23:40.677061  [  123.382067] [<c059920c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 4475 21:23:40.677118  [  123.389641] Exception stack(0xc6b81fa8 to 0xc6b81ff0)
 4476 21:23:40.720795  [  123.394702] 1fa0:                   00000017 00000017 00000001 b6e61000 00000017 00000000
 4477 21:23:40.720893  [  123.402887] 1fc0: 00000017 00000017 b6fa8e00 00000004 00000001 00000000 00020000 bebd7a54
 4478 21:23:40.721003  [  123.411073] 1fe0: 00000004 bebd7788 b6f134cf b6e997e6
 4479 21:23:40.721123  [  123.416181] irq event stamp: 0
 4480 21:23:40.721188  [  123.419255] hardirqs last  enabled at (0): [<00000000>] 0x0
 4481 21:23:40.721275  [  123.424843] hardirqs last disabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 4482 21:23:40.721383  [  123.432383] softirqs last  enabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 4483 21:23:40.721454  [  123.439926] softirqs last disabled at (0): [<00000000>] 0x0
 4484 21:23:40.764810  [  123.445538] ---[ end trace dfcb905fa2d201dc ]---
 4485 21:23:40.764907  [  123.450168] lkdtm: Saturation detected: still saturated
 4486 21:23:40.864346  # [  123.133602] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED
 4487 21:23:40.864433  # [  123.141009] lkdtm: attempting bad refcount_dec() from saturated
 4488 21:23:40.864503  # [  123.149605] ------------[ cut here ]------------
 4489 21:23:40.864568  # [  123.154290] WARNING: CPU: 2 PID: 3099 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174
 4490 21:23:40.864630  # [  123.162798] refcount_t: saturated; leaking memory.
 4491 21:23:40.907388  # [  123.167635] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv imx_ldb gpu_sched dw_hdmi_imx dw_hdmi parallel_display imxdrm imx_ipu_v3
 4492 21:23:40.907545  # [  123.196782] CPU: 2 PID: 3099 Comm: cat Tainted: G      D W         5.10.153-cip19 #1
 4493 21:23:40.907617  # [  123.204531] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 4494 21:23:40.907681  # [  123.211063] Backtrace: 
 4495 21:23:40.907753  # [  123.213540] [<c137e9d0>] (dump_backtrace) from [<c137ed90>] (show_stack+0x20/0x24)
 4496 21:23:40.950364  # [  123.221121]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4
 4497 21:23:40.950589  # [  123.226795] [<c137ed70>] (show_stack) from [<c1385f0c>] (dump_stack+0xe0/0x100)
 4498 21:23:40.950726  # [  123.234120] [<c1385e2c>] (dump_stack) from [<c03566f0>] (__warn+0xfc/0x16c)
 4499 21:23:40.950803  # [  123.241091]  r9:00000009 r8:c086e50c r7:00000016 r6:00000009 r5:c086e50c r4:c1a24cf0
 4500 21:23:40.950863  # [  123.248845] [<c03565f4>] (__warn) from [<c137feb0>] (warn_slowpath_fmt+0x8c/0xa8)
 4501 21:23:40.950921  # [  123.256334]  r7:00000016 r6:c1a24cf0 r5:c1a24cc8 r4:c6b80000
 4502 21:23:40.993542  # [  123.262007] [<c137fe28>] (warn_slowpath_fmt) from [<c086e50c>] (refcount_warn_saturate+0xd4/0x174)
 4503 21:23:40.993670  # [  123.270975]  r9:c1ad0d84 r8:c15e8634 r7:c6b81f60 r6:00000017 r5:c6d27000 r4:c6b80000
 4504 21:23:40.993748  # [  123.278732] [<c086e438>] (refcount_warn_saturate) from [<c0c3009c>] (__refcount_add.constprop.0+0x44/0x58)
 4505 21:23:40.993814  # [  123.288400] [<c0c30058>] (__refcount_add.constprop.0) from [<c138d124>] (lkdtm_REFCOUNT_ADD_SATURATED+0x4c/0x70)
 4506 21:23:41.036872  # [  123.298590] [<c138d0d8>] (lkdtm_REFCOUNT_ADD_SATURATED) from [<c0c2f018>] (lkdtm_do_action+0x2c/0x4c)
 4507 21:23:41.036967  # [  123.307812]  r4:00000037
 4508 21:23:41.037034  # [  123.310360] [<c0c2efec>] (lkdtm_do_action) from [<c0c2f518>] (direct_entry+0x120/0x18c)
 4509 21:23:41.037097  # [  123.318377] [<c0c2f3f8>] (direct_entry) from [<c07f6080>] (full_proxy_write+0x64/0x94)
 4510 21:23:41.037169  # [  123.326301]  r9:c6b81f60 r8:c530cd80 r7:00000017 r6:b6e61000 r5:c42aac80 r4:c0c2f3f8
 4511 21:23:41.037228  # [  123.334059] [<c07f601c>] (full_proxy_write) from [<c0598c00>] (vfs_write+0x10c/0x524)
 4512 21:23:41.080772  # [  123.341898]  r9:c07f601c r8:c6b81f60 r7:c2816000 r6:b6e61000 r5:c42aac80 r4:00000000
 4513 21:23:41.080861  # [  123.349650] [<c0598af4>] (vfs_write) from [<c0599194>] (ksys_write+0x74/0xec)
 4514 21:23:41.080929  # [  123.356794]  r10:00000004 r9:00000000 r8:00000000 r7:b6e61000 r6:c6b80000 r5:c42aac80
 4515 21:23:41.080992  # [  123.364627]  r4:c42aac80
 4516 21:23:41.081053  # [  123.367171] [<c0599120>] (ksys_write) from [<c0599224>] (sys_write+0x18/0x1c)
 4517 21:23:41.081112  # [  123.374313]  r9:c6b80000 r8:c03002e4 r7:00000004 r6:b6fa8e00 r5:00000017 r4:00000017
 4518 21:23:41.081170  # [  123.382067] [<c059920c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 4519 21:23:41.124800  # [  123.389641] Exception stack(0xc6b81fa8 to 0xc6b81ff0)
 4520 21:23:41.124885  # [  123.394702] 1fa0:                   00000017 00000017 00000001 b6e61000 00000017 00000000
 4521 21:23:41.124955  # [  123.402887] 1fc0: 00000017 00000017 b6fa8e00 00000004 00000001 00000000 00020000 bebd7a54
 4522 21:23:41.125019  # [  123.411073] 1fe0: 00000004 bebd7788 b6f134cf b6e997e6
 4523 21:23:41.125079  # [  123.416181] irq event stamp: 0
 4524 21:23:41.125140  # [  123.419255] hardirqs last  enabled at (0): [<00000000>] 0x0
 4525 21:23:41.125198  # [  123.424843] hardirqs last disabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 4526 21:23:41.168785  # [  123.432383] softirqs last  enabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 4527 21:23:41.168866  # [  123.439926] softirqs last disabled at (0): [<00000000>] 0x0
 4528 21:23:41.168945  # [  123.445538] ---[ end trace dfcb905fa2d201dc ]---
 4529 21:23:41.169010  # [  123.450168] lkdtm: Saturation detected: still saturated
 4530 21:23:41.169070  # REFCOUNT_ADD_SATURATED: saw 'Saturati[  123.881011] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED
 4531 21:23:41.169132  on detected: still saturated': ok[  123.890068] lkdtm: attempting bad refcount_inc_not_zero() from saturated
 4532 21:23:41.169194  
 4533 21:23:41.212902  ok 54 selftests: lkdtm: REFCOUN[  123.899566] ------------[ cut here ]------------
 4534 21:23:41.212987  T_ADD_SATURATED.sh
 4535 21:23:41.213053  # selftests: [  123.907222] WARNING: CPU: 3 PID: 3131 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174
 4536 21:23:41.213114  lkdtm: REFCOUNT_INC_NOT_ZERO_SATU[  123.918346] refcount_t: saturated; leaking memory.
 4537 21:23:41.213174  RATED.sh
 4538 21:23:41.256797  [  123.925998] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv imx_ldb gpu_sched dw_hdmi_imx dw_hdmi parallel_display imxdrm imx_ipu_v3
 4539 21:23:41.256890  [  123.955704] CPU: 3 PID: 3131 Comm: cat Tainted: G      D W         5.10.153-cip19 #1
 4540 21:23:41.256958  [  123.963455] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 4541 21:23:41.257020  [  123.969988] Backtrace: 
 4542 21:23:41.257078  [  123.972466] [<c137e9d0>] (dump_backtrace) from [<c137ed90>] (show_stack+0x20/0x24)
 4543 21:23:41.257136  [  123.980045]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4
 4544 21:23:41.300747  [  123.985720] [<c137ed70>] (show_stack) from [<c1385f0c>] (dump_stack+0xe0/0x100)
 4545 21:23:41.300854  [  123.993044] [<c1385e2c>] (dump_stack) from [<c03566f0>] (__warn+0xfc/0x16c)
 4546 21:23:41.300949  [  124.000016]  r9:00000009 r8:c086e4d8 r7:00000013 r6:00000009 r5:c086e4d8 r4:c1a24cf0
 4547 21:23:41.301024  [  124.007770] [<c03565f4>] (__warn) from [<c137feb0>] (warn_slowpath_fmt+0x8c/0xa8)
 4548 21:23:41.301112  [  124.015259]  r7:00000013 r6:c1a24cf0 r5:c1a24cc8 r4:c6ed2000
 4549 21:23:41.301185  [  124.020935] [<c137fe28>] (warn_slowpath_fmt) from [<c086e4d8>] (refcount_warn_saturate+0xa0/0x174)
 4550 21:23:41.344866  [  124.029904]  r9:c1ad0d9c r8:c15e8634 r7:c6ed3f60 r6:00000020 r5:c44f4000 r4:c0000000
 4551 21:23:41.344945  [  124.037663] [<c086e438>] (refcount_warn_saturate) from [<c138c99c>] (__refcount_add_not_zero.constprop.0+0x64/0x78)
 4552 21:23:41.345011  [  124.048111] [<c138c938>] (__refcount_add_not_zero.constprop.0) from [<c138d198>] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x50/0x88)
 4553 21:23:41.345071  [  124.059851]  r5:c44f4000 r4:c6ed2000
 4554 21:23:41.345129  [  124.063445] [<c138d148>] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED) from [<c0c2f018>] (lkdtm_do_action+0x2c/0x4c)
 4555 21:23:41.388805  
 4556 21:23:41.388882  [  124.073450]  r4:00000038
 4557 21:23:41.388945  [  124.075996] [<c0c2efec>] (lkdtm_do_action) from [<c0c2f518>] (direct_entry+0x120/0x18c)
 4558 21:23:41.389006  [  124.084016] [<c0c2f3f8>] (direct_entry) from [<c07f6080>] (full_proxy_write+0x64/0x94)
 4559 21:23:41.389065  [  124.091942]  r9:c6ed3f60 r8:c530cd80 r7:00000020 r6:b6e6c000 r5:c69b3900 r4:c0c2f3f8
 4560 21:23:41.389123  [  124.099699] [<c07f601c>] (full_proxy_write) from [<c0598c00>] (vfs_write+0x10c/0x524)
 4561 21:23:41.389178  [  124.107539]  r9:c07f601c r8:c6ed3f60 r7:c2816000 r6:b6e6c000 r5:c69b3900 r4:00000000
 4562 21:23:41.432778  [  124.115291] [<c0598af4>] (vfs_write) from [<c0599194>] (ksys_write+0x74/0xec)
 4563 21:23:41.432856  [  124.122436]  r10:00000004 r9:00000000 r8:00000000 r7:b6e6c000 r6:c6ed2000 r5:c69b3900
 4564 21:23:41.432920  [  124.130268]  r4:c69b3900
 4565 21:23:41.432982  [  124.132813] [<c0599120>] (ksys_write) from [<c0599224>] (sys_write+0x18/0x1c)
 4566 21:23:41.433040  [  124.139957]  r9:c6ed2000 r8:c03002e4 r7:00000004 r6:b6fb3e00 r5:00000020 r4:00000020
 4567 21:23:41.433097  [  124.147712] [<c059920c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 4568 21:23:41.476821  [  124.155286] Exception stack(0xc6ed3fa8 to 0xc6ed3ff0)
 4569 21:23:41.476933  [  124.160348] 3fa0:                   00000020 00000020 00000001 b6e6c000 00000020 00000000
 4570 21:23:41.477022  [  124.168535] 3fc0: 00000020 00000020 b6fb3e00 00000004 00000001 00000000 00020000 bee88a54
 4571 21:23:41.477120  [  124.176722] 3fe0: 00000004 bee88788 b6f1e4cf b6ea47e6
 4572 21:23:41.477205  [  124.181870] irq event stamp: 0
 4573 21:23:41.477289  [  124.184947] hardirqs last  enabled at (0): [<00000000>] 0x0
 4574 21:23:41.477373  [  124.190565] hardirqs last disabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 4575 21:23:41.520786  [  124.198093] softirqs last  enabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 4576 21:23:41.520885  [  124.205617] softirqs last disabled at (0): [<00000000>] 0x0
 4577 21:23:41.520970  [  124.211201] ---[ end trace dfcb905fa2d201dd ]---
 4578 21:23:41.521048  [  124.215856] lkdtm: Saturation detected: still saturated
 4579 21:23:41.629083  # [    0.000000] NR_IRQS: 16, nr_irqs: 16, preallocated irqs: 16
 4580 21:23:41.629263  # [    0.000000] L2C-310 errata 752271 769419 enabled
 4581 21:23:41.629345  # [    0.000000] L2C-310 enabling early BRESP for Cortex-A9
 4582 21:23:41.629421  # [    0.000000] L2C-310 full line of zeros enabled for Cortex-A9
 4583 21:23:41.629493  # [    0.000000] L2C-310 ID prefetch enabled, offset 16 lines
 4584 21:23:41.629565  # [    0.000000] L2C-310 dynamic clock gating enabled, standby mode enabled
 4585 21:23:41.629636  # [    0.000000] L2C-310 cache controller enabled, 16 ways, 1024 kB
 4586 21:23:41.673187  # [    0.000000] L2C-310: CACHE_ID 0x410000c7, AUX_CTRL 0x76470001
 4587 21:23:41.673731  # [    0.000000] Switching to timer-based delay loop, resolution 333ns
 4588 21:23:41.674094  # [  123.881011] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED
 4589 21:23:41.674421  # [  123.890068] lkdtm: attempting bad refcount_inc_not_zero() from saturated
 4590 21:23:41.674736  # [  123.899566] ------------[ cut here ]------------
 4591 21:23:41.675038  # [  123.907222] WARNING: CPU: 3 PID: 3131 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174
 4592 21:23:41.675339  # [  123.918346] refcount_t: saturated; leaking memory.
 4593 21:23:41.716863  # [  123.925998] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv imx_ldb gpu_sched dw_hdmi_imx dw_hdmi parallel_display imxdrm imx_ipu_v3
 4594 21:23:41.717006  # [  123.955704] CPU: 3 PID: 3131 Comm: cat Tainted: G      D W         5.10.153-cip19 #1
 4595 21:23:41.717089  # [  123.963455] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 4596 21:23:41.760923  # [  123.969988] Backtrace: 
 4597 21:23:41.761083  # [  123.972466] [<c137e9d0>] (dump_backtrace) from [<c137ed90>] (show_stack+0x20/0x24)
 4598 21:23:41.761158  # [  123.980045]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4
 4599 21:23:41.761230  # [  123.985720] [<c137ed70>] (show_stack) from [<c1385f0c>] (dump_stack+0xe0/0x100)
 4600 21:23:41.761297  # [  123.993044] [<c1385e2c>] (dump_stack) from [<c03566f0>] (__warn+0xfc/0x16c)
 4601 21:23:41.761362  # [  124.000016]  r9:00000009 r8:c086e4d8 r7:00000013 r6:00000009 r5:c086e4d8 r4:c1a24cf0
 4602 21:23:41.804970  # [  124.007770] [<c03565f4>] (__warn) from [<c137feb0>] (warn_slowpath_fmt+0x8c/0xa8)
 4603 21:23:41.805147  # [  124.015259]  r7:00000013 r6:c1a24cf0 r5:c1a24cc8 r4:c6ed2000
 4604 21:23:41.805236  # [  124.020935] [<c137fe28>] (warn_slowpath_fmt) from [<c086e4d8>] (refcount_warn_saturate+0xa0/0x174)
 4605 21:23:41.805316  # [  124.029904]  r9:c1ad0d9c r8:c15e8634 r7:c6ed3f60 r6:00000020 r5:c44f4000 r4:c0000000
 4606 21:23:41.805402  # [  124.037663] [<c086e438>] (refcount_warn_saturate) from [<c138c99c>] (__refcount_add_not_zero.constprop.0+0x64/0x78)
 4607 21:23:41.848867  # [  124.048111] [<c138c938>] (__refcount_add_not_zero.constprop.0) from [<c138d198>] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x50/0x88)
 4608 21:23:41.849053  # [  124.059851]  r5:c44f4000 r4:c6ed2000
 4609 21:23:41.849131  # [  124.063445] [<c138d148>] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED) from [<c0c2f018>] (lkdtm_do_action+0x2c/0x4c)
 4610 21:23:41.849203  # [  124.073450]  r4:00000038
 4611 21:23:41.849272  # [  124.075996] [<c0c2efec>] (lkdtm_do_action) from [<c0c2f518>] (direct_entry+0x120/0x18c)
 4612 21:23:41.849339  # [  124.084016] [<c0c2f3f8>] (direct_entry) from [<c07f6080>] (full_proxy_write+0x64/0x94)
 4613 21:23:41.893060  # [  124.091942]  r9:c6ed3f60 r8:c530cd80 r7:00000020 r6:b6e6c000 r5:c69b3900 r4:c0c2f3f8
 4614 21:23:41.893449  # [  124.099699] [<c07f601c>] (full_proxy_write) from [<c0598c00>] (vfs_write+0x10c/0x524)
 4615 21:23:41.893691  # [  124.107539]  r9:c07f601c r8:c6ed3f60 r7:c2816000 r6:b6e6c000 r5:c69b3900 r4:00000000
 4616 21:23:41.893911  # [  124.115291] [<c0598af4>] (vfs_write) from [<c0599194>] (ksys_write+0x74/0xec)
 4617 21:23:41.894118  # [  124.122436]  r10:00000004 r9:00000000 r8:00000000 r7:b6e6c000 r6:c6ed2000 r5:c69b3900
 4618 21:23:41.894317  # [  124.130268]  r4:c69b3900
 4619 21:23:41.894509  # [  124.132813] [<c0599120>] (ksys_write) from [<c0599224>] (sys_write+0x18/0x1c)
 4620 21:23:41.936827  # [  124.139957]  r9:c6ed2000 r8:c03002e4 r7:00000004 r6:b6fb3e00 r5:00000020 r4:00000020
 4621 21:23:41.936985  # [  124.147712] [<c059920c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 4622 21:23:41.937051  # [  124.155286] Exception stack(0xc6ed3fa8 to 0xc6ed3ff0)
 4623 21:23:41.937115  # [  124.160348] 3fa0:                   00000020 00000020 00000001 b6e6c000 00000020 00000000
 4624 21:23:41.937175  # [  124.168535] 3fc0: 00000020 00000020 b6fb3e00 00000004 00000001 00000000 00020000 bee88a54
 4625 21:23:41.937232  # [  124.176722] 3fe0: 00000004 bee88788 b6f1e4cf b6ea47e6
 4626 21:23:41.980779  # [  124.181870] irq event stamp: 0
 4627 21:23:41.980880  # [  124.1849[  124.668778] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED
 4628 21:23:41.980949  47] hardirqs last  enabled at (0)[  124.676074] lkdtm: attempting bad refcount_add_not_zero() from saturated
 4629 21:23:41.981013  : [<00000000>] 0x0
 4630 21:23:41.981073  # [  124.1905[  124.685562] ------------[ cut here ]------------
 4631 21:23:41.981132  65] hardirqs last disabled at (0)[  124.693021] WARNING: CPU: 3 PID: 3165 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174
 4632 21:23:42.025166  : [<c0353ce0>] copy_process+0x5c8[  124.704439] refcount_t: saturated; leaking memory.
 4633 21:23:42.025385  /0x194c
 4634 21:23:42.025499  # [  124.198093] softirq[  124.712011] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv imx_ldb gpu_sched dw_hdmi_imx dw_hdmi parallel_display imxdrm imx_ipu_v3
 4635 21:23:42.069155  s last  enabled at (0): [<c0353ce[  124.743691] CPU: 3 PID: 3165 Comm: cat Tainted: G      D W         5.10.153-cip19 #1
 4636 21:23:42.069693  0>] copy_pr[o c e1s2s4+.07x554c288] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 4637 21:23:42.070057  /0x194c
 4638 21:23:42.070396  # [  124[. 2 102546.17762595] Backtrace: 
 4639 21:23:42.070712   softirqs last disabled at (0): [[  124.767147] [<c137e9d0>] (dump_backtrace) from [<c137ed90>] (show_stack+0x20/0x24)
 4640 21:23:42.071041  <00000000>] 0x0
 4641 21:23:42.071352  # [[    112244.777565]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4
 4642 21:23:42.113289  211201] ---[ end trace dfcb9[0 5 124.785398] [<c137ed70>] (show_stack) from [<c1385f0c>] (dump_stack+0xe0/0x100)
 4643 21:23:42.113846  a2d201dd ]---
 4644 21:23:42.114201  # [  124[. 2 11528.795306] [<c1385e2c>] (dump_stack) from [<c03566f0>] (__warn+0xfc/0x16c)
 4645 21:23:42.114532  56] lkdtm: Sat[u r a1t2i4o.n8 0d4605]  r9:00000009 r8:c086e4d8 r7:00000013 r6:00000009 r5:c086e4d8 r4:c1a24cf0
 4646 21:23:42.114860  tected: still sat[u r a1t2e4d.
 4647 21:23:42.115167  8
 4648 21:23:42.115472  4343] [<c03565f4>] (__warn) from [<c137feb0>] (warn_slowpath_fmt+0x8c/0xa8)
 4649 21:23:42.115782  # REFCOUNT_IN[C _ N1O2T4_.8Z2E3R905]  r7:00000013 r6:c1a24cf0 r5:c1a24cc8 r4:c6b80000
 4650 21:23:42.160880  _SATURATED: missing 'call t[r  a124.831481] [<c137fe28>] (warn_slowpath_fmt) from [<c086e4d8>] (refcount_warn_saturate+0xa0/0x174)
 4651 21:23:42.161045  e:': [FAIL]
 4652 21:23:42.161112  not o[k   5152 4s.e842950]  r9:c1ad0dbc r8:c15e8634 r7:c6b81f60 r6:00000020 r5:c428c000 r4:c0000000
 4653 21:23:42.161177  ftests: lkdtm: REFCOUNT_IN[C _ N124.852866] [<c086e438>] (refcount_warn_saturate) from [<c138c99c>] (__refcount_add_not_zero.constprop.0+0x64/0x78)
 4654 21:23:42.161243  T_ZERO_SATURATED.sh # [e x i1t2=4.865814] [<c138c938>] (__refcount_add_not_zero.constprop.0) from [<c138d220>] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x50/0x88)
 4655 21:23:42.161304  
 4656 21:23:42.205149  # selft[e  s1t2s4:. 8l7k9d8t8m2]  r5:c428c000 r4:c6b80000
 4657 21:23:42.205407   REFCOUNT_ADD_NOT_ZERO_SATURATE[D 124.885206] [<c138d1d0>] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED) from [<c0c2f018>] (lkdtm_do_action+0x2c/0x4c)
 4658 21:23:42.205555  .sh
 4659 21:23:42.205690  [  124.897879]  r4:00000039
 4660 21:23:42.205819  [  124.900855] [<c0c2efec>] (lkdtm_do_action) from [<c0c2f518>] (direct_entry+0x120/0x18c)
 4661 21:23:42.205946  [  124.908874] [<c0c2f3f8>] (direct_entry) from [<c07f6080>] (full_proxy_write+0x64/0x94)
 4662 21:23:42.249336  [  124.916800]  r9:c6b81f60 r8:c530cd80 r7:00000020 r6:b6e3c000 r5:c41d7b80 r4:c0c2f3f8
 4663 21:23:42.249883  [  124.924557] [<c07f601c>] (full_proxy_write) from [<c0598c00>] (vfs_write+0x10c/0x524)
 4664 21:23:42.250244  [  124.932396]  r9:c07f601c r8:c6b81f60 r7:c2816000 r6:b6e3c000 r5:c41d7b80 r4:00000000
 4665 21:23:42.250565  [  124.940147] [<c0598af4>] (vfs_write) from [<c0599194>] (ksys_write+0x74/0xec)
 4666 21:23:42.250876  [  124.947292]  r10:00000004 r9:00000000 r8:00000000 r7:b6e3c000 r6:c6b80000 r5:c41d7b80
 4667 21:23:42.251178  [  124.955127]  r4:c41d7b80
 4668 21:23:42.251476  [  124.957671] [<c0599120>] (ksys_write) from [<c0599224>] (sys_write+0x18/0x1c)
 4669 21:23:42.292863  [  124.964813]  r9:c6b80000 r8:c03002e4 r7:00000004 r6:b6f83e00 r5:00000020 r4:00000020
 4670 21:23:42.293041  [  124.972567] [<c059920c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 4671 21:23:42.293120  [  124.980142] Exception stack(0xc6b81fa8 to 0xc6b81ff0)
 4672 21:23:42.293184  [  124.985203] 1fa0:                   00000020 00000020 00000001 b6e3c000 00000020 00000000
 4673 21:23:42.293256  [  124.993390] 1fc0: 00000020 00000020 b6f83e00 00000004 00000001 00000000 00020000 bec5ca54
 4674 21:23:42.293316  [  125.001574] 1fe0: 00000004 bec5c788 b6eee4cf b6e747e6
 4675 21:23:42.293374  [  125.006681] irq event stamp: 0
 4676 21:23:42.337266  [  125.009753] hardirqs last  enabled at (0): [<00000000>] 0x0
 4677 21:23:42.337813  [  125.015341] hardirqs last disabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 4678 21:23:42.338172  [  125.022891] softirqs last  enabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 4679 21:23:42.338499  [  125.030426] softirqs last disabled at (0): [<00000000>] 0x0
 4680 21:23:42.338810  [  125.036044] ---[ end trace dfcb905fa2d201de ]---
 4681 21:23:42.339145  [  125.040684] lkdtm: Saturation detected: still saturated
 4682 21:23:42.462693  # [  124.668778] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED
 4683 21:23:42.462982  # [  124.676074] lkdtm: attempting bad refcount_add_not_zero() from saturated
 4684 21:23:42.463151  # [  124.685562] ------------[ cut here ]------------
 4685 21:23:42.463309  # [  124.693021] WARNING: CPU: 3 PID: 3165 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174
 4686 21:23:42.463459  # [  124.704439] refcount_t: saturated; leaking memory.
 4687 21:23:42.505545  # [  124.712011] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv imx_ldb gpu_sched dw_hdmi_imx dw_hdmi parallel_display imxdrm imx_ipu_v3
 4688 21:23:42.505754  # [  124.743691] CPU: 3 PID: 3165 Comm: cat Tainted: G      D W         5.10.153-cip19 #1
 4689 21:23:42.505864  # [  124.754248] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 4690 21:23:42.505963  # [  124.762595] Backtrace: 
 4691 21:23:42.506056  # [  124.767147] [<c137e9d0>] (dump_backtrace) from [<c137ed90>] (show_stack+0x20/0x24)
 4692 21:23:42.549107  # [  124.777565]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4
 4693 21:23:42.549642  # [  124.785398] [<c137ed70>] (show_stack) from [<c1385f0c>] (dump_stack+0xe0/0x100)
 4694 21:23:42.550176  # [  124.795306] [<c1385e2c>] (dump_stack) from [<c03566f0>] (__warn+0xfc/0x16c)
 4695 21:23:42.550571  # [  124.804605]  r9:00000009 r8:c086e4d8 r7:00000013 r6:00000009 r5:c086e4d8 r4:c1a24cf0
 4696 21:23:42.550974  # [  124.814343] [<c03565f4>] (__warn) from [<c137feb0>] (warn_slowpath_fmt+0x8c/0xa8)
 4697 21:23:42.551373  # [  124.823905]  r7:00000013 r6:c1a24cf0 r5:c1a24cc8 r4:c6b80000
 4698 21:23:42.592910  # [  124.831481] [<c137fe28>] (warn_slowpath_fmt) from [<c086e4d8>] (refcount_warn_saturate+0xa0/0x174)
 4699 21:23:42.593085  # [  124.842950]  r9:c1ad0dbc r8:c15e8634 r7:c6b81f60 r6:00000020 r5:c428c000 r4:c0000000
 4700 21:23:42.593169  # [  124.852866] [<c086e438>] (refcount_warn_saturate) from [<c138c99c>] (__refcount_add_not_zero.constprop.0+0x64/0x78)
 4701 21:23:42.593247  # [  124.865814] [<c138c938>] (__refcount_add_not_zero.constprop.0) from [<c138d220>] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x50/0x88)
 4702 21:23:42.593323  # [  124.879882]  r5:c428c000 r4:c6b80000
 4703 21:23:42.637170  # [  124.885206] [<c138d1d0>] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED) from [<c0c2f018>] (lkdtm_do_action+0x2c/0x4c)
 4704 21:23:42.637765  # [  124.897879]  r4:00000039
 4705 21:23:42.638232  # [  124.900855] [<c0c2efec>] (lkdtm_do_action) from [<c0c2f518>] (direct_entry+0x120/0x18c)
 4706 21:23:42.638570  # [  124.908874] [<c0c2f3f8>] (direct_entry) from [<c07f6080>] (full_proxy_write+0x64/0x94)
 4707 21:23:42.638887  # [  124.916800]  r9:c6b81f60 r8:c530cd80 r7:00000020 r6:b6e3c000 r5:c41d7b80 r4:c0c2f3f8
 4708 21:23:42.639193  # [  124.924557] [<c07f601c>] (full_proxy_write) from [<c0598c00>] (vfs_write+0x10c/0x524)
 4709 21:23:42.685199  # [  124.932396]  r9:c07f601c r8:c6b81f60 r7:c2816000 r6:b6e3c000 r5:c41d7b80 r4:00000000
 4710 21:23:42.685364  # [  124.940147] [<c0598af4>] (vfs_write) from [<c0599194>] (ksys_write+0x74/0xec)
 4711 21:23:42.685443  # [  124.947292]  r10:00000004 r9:00000000 r8:00000000 r7:b6e3c000 r6:c6b80000 r5:c41d7b80
 4712 21:23:42.685511  # [  124.955127]  r4:c41d7b80
 4713 21:23:42.685576  # [  124.957671] [<c0599120>] (ksys_write) from [<c0599224>] (sys_write+0x18/0x1c)
 4714 21:23:42.685639  # [  124.964813]  r9:c6b80000 r8:c03002e4 r7:00000004 r6:b6f83e00 r5:00000020 r4:00000020
 4715 21:23:42.729111  # [  124.972567] [<c059920c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 4716 21:23:42.729332  # [  124.980142] Exception stack(0xc6b81fa8 to 0xc6b81ff0)
 4717 21:23:42.729448  # [  124.985203] 1fa0:                   00000020 00000020 00000001 b6e3c000 00000020 00000000
 4718 21:23:42.729556  # [  124.993390] 1fc0: 00000020 00000020 b6f83e00 00000004 00000001 00000000 00020000 bec5ca54
 4719 21:23:42.729659  # [  125.001574] 1fe0: 00000004 bec5c788 b6eee4cf b6e747e6
 4720 21:23:42.729760  # [  125.006681] irq event stamp: 0
 4721 21:23:42.729861  # [  125.009753] hardirqs last  enabled at (0): [<00000000>] 0x0
 4722 21:23:42.773046  # [  125.015341] hardirqs last disabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 4723 21:23:42.773559  # [  125.022891] softirqs last  enabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 4724 21:23:42.773910  # [  125.030426] softirqs last disabled at (0): [<00000000>] 0x0
 4725 21:23:42.774253  # [  125.036044] ---[ end trace dfcb905fa2d201de ]---
 4726 21:23:42.774668  # [  125.040684] lkdtm: Saturation detected: still saturated
 4727 21:23:42.775013  # REFCOUNT_ADD_NOT_ZERO_SATURATED: missing 'call trace:': [FAIL]
 4728 21:23:42.775404  not ok 56 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh # exit=1
 4729 21:23:42.817201  # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh
 4730 21:23:42.824830  [  125.515178] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED
 4731 21:23:42.825374  [  125.522220] lkdtm: attempting bad refcount_dec_and_test() from saturated
 4732 21:23:42.825730  [  125.528999] ------------[ cut here ]------------
 4733 21:23:42.826053  [  125.533655] WARNING: CPU: 0 PID: 3202 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174
 4734 21:23:42.826401  [  125.542330] refcount_t: underflow; use-after-free.
 4735 21:23:42.867914  [  125.547182] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv imx_ldb gpu_sched dw_hdmi_imx dw_hdmi parallel_display imxdrm imx_ipu_v3
 4736 21:23:42.868088  [  125.576425] CPU: 0 PID: 3202 Comm: cat Tainted: G      D W         5.10.153-cip19 #1
 4737 21:23:42.868175  [  125.584175] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 4738 21:23:42.868252  [  125.590707] Backtrace: 
 4739 21:23:42.868324  [  125.593183] [<c137e9d0>] (dump_backtrace) from [<c137ed90>] (show_stack+0x20/0x24)
 4740 21:23:42.911149  [  125.600761]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4
 4741 21:23:42.911486  [  125.606435] [<c137ed70>] (show_stack) from [<c1385f0c>] (dump_stack+0xe0/0x100)
 4742 21:23:42.911694  [  125.613758] [<c1385e2c>] (dump_stack) from [<c03566f0>] (__warn+0xfc/0x16c)
 4743 21:23:42.911880  [  125.620730]  r9:00000009 r8:c086e574 r7:0000001c r6:00000009 r5:c086e574 r4:c1a24cf0
 4744 21:23:42.912052  [  125.628485] [<c03565f4>] (__warn) from [<c137feb0>] (warn_slowpath_fmt+0x8c/0xa8)
 4745 21:23:42.912291  [  125.635975]  r7:0000001c r6:c1a24cf0 r5:c1a24d2c r4:c6b80000
 4746 21:23:42.954291  [  125.641652] [<c137fe28>] (warn_slowpath_fmt) from [<c086e574>] (refcount_warn_saturate+0x13c/0x174)
 4747 21:23:42.954868  [  125.650705]  r9:c1ad0ddc r8:c15e8634 r7:c6b81f60 r6:00000020 r5:c5ff6000 r4:c6b80000
 4748 21:23:42.955259  [  125.658463] [<c086e438>] (refcount_warn_saturate) from [<c0c30114>] (__refcount_sub_and_test.constprop.0+0x64/0x6c)
 4749 21:23:42.955623  [  125.668913] [<c0c300b0>] (__refcount_sub_and_test.constprop.0) from [<c138d2a8>] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x50/0x88)
 4750 21:23:42.997566  [  125.680665] [<c138d258>] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED) from [<c0c2f018>] (lkdtm_do_action+0x2c/0x4c)
 4751 21:23:42.998142  [  125.690669]  r4:0000003a
 4752 21:23:42.998525  [  125.693215] [<c0c2efec>] (lkdtm_do_action) from [<c0c2f518>] (direct_entry+0x120/0x18c)
 4753 21:23:42.998881  [  125.701234] [<c0c2f3f8>] (direct_entry) from [<c07f6080>] (full_proxy_write+0x64/0x94)
 4754 21:23:42.999224  [  125.709159]  r9:c6b81f60 r8:c530cd80 r7:00000020 r6:b6e40000 r5:c42e1680 r4:c0c2f3f8
 4755 21:23:42.999560  [  125.716916] [<c07f601c>] (full_proxy_write) from [<c0598c00>] (vfs_write+0x10c/0x524)
 4756 21:23:43.040941  [  125.724755]  r9:c07f601c r8:c6b81f60 r7:c2816000 r6:b6e40000 r5:c42e1680 r4:00000000
 4757 21:23:43.041188  [  125.732506] [<c0598af4>] (vfs_write) from [<c0599194>] (ksys_write+0x74/0xec)
 4758 21:23:43.041301  [  125.739649]  r10:00000004 r9:00000000 r8:00000000 r7:b6e40000 r6:c6b80000 r5:c42e1680
 4759 21:23:43.041399  [  125.747483]  r4:c42e1680
 4760 21:23:43.041490  [  125.750027] [<c0599120>] (ksys_write) from [<c0599224>] (sys_write+0x18/0x1c)
 4761 21:23:43.041581  [  125.757170]  r9:c6b80000 r8:c03002e4 r7:00000004 r6:b6f87e00 r5:00000020 r4:00000020
 4762 21:23:43.041669  [  125.764924] [<c059920c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 4763 21:23:43.085106  [  125.772498] Exception stack(0xc6b81fa8 to 0xc6b81ff0)
 4764 21:23:43.085643  [  125.777559] 1fa0:                   00000020 00000020 00000001 b6e40000 00000020 00000000
 4765 21:23:43.086006  [  125.785744] 1fc0: 00000020 00000020 b6f87e00 00000004 00000001 00000000 00020000 beb94a54
 4766 21:23:43.086332  [  125.793926] 1fe0: 00000004 beb94788 b6ef24cf b6e787e6
 4767 21:23:43.086647  [  125.799028] irq event stamp: 0
 4768 21:23:43.086950  [  125.802099] hardirqs last  enabled at (0): [<00000000>] 0x0
 4769 21:23:43.087247  [  125.807729] hardirqs last disabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 4770 21:23:43.128786  [  125.815228] softirqs last  enabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 4771 21:23:43.128943  [  125.822747] softirqs last disabled at (0): [<00000000>] 0x0
 4772 21:23:43.129011  [  125.828354] ---[ end trace dfcb905fa2d201df ]---
 4773 21:23:43.129073  [  125.832983] lkdtm: Saturation detected: still saturated
 4774 21:23:43.270378  # [  125.515178] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED
 4775 21:23:43.270911  # [  125.522220] lkdtm: attempting bad refcount_dec_and_test() from saturated
 4776 21:23:43.271264  # [  125.528999] ------------[ cut here ]------------
 4777 21:23:43.271587  # [  125.533655] WARNING: CPU: 0 PID: 3202 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174
 4778 21:23:43.271903  # [  125.542330] refcount_t: underflow; use-after-free.
 4779 21:23:43.313375  # [  125.547182] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv imx_ldb gpu_sched dw_hdmi_imx dw_hdmi parallel_display imxdrm imx_ipu_v3
 4780 21:23:43.313936  # [  125.576425] CPU: 0 PID: 3202 Comm: cat Tainted: G      D W         5.10.153-cip19 #1
 4781 21:23:43.314296  # [  125.584175] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 4782 21:23:43.314626  # [  125.590707] Backtrace: 
 4783 21:23:43.314944  # [  125.593183] [<c137e9d0>] (dump_backtrace) from [<c137ed90>] (show_stack+0x20/0x24)
 4784 21:23:43.356948  # [  125.600761]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4
 4785 21:23:43.357108  # [  125.606435] [<c137ed70>] (show_stack) from [<c1385f0c>] (dump_stack+0xe0/0x100)
 4786 21:23:43.357177  # [  125.613758] [<c1385e2c>] (dump_stack) from [<c03566f0>] (__warn+0xfc/0x16c)
 4787 21:23:43.357240  # [  125.620730]  r9:00000009 r8:c086e574 r7:0000001c r6:00000009 r5:c086e574 r4:c1a24cf0
 4788 21:23:43.357301  # [  125.628485] [<c03565f4>] (__warn) from [<c137feb0>] (warn_slowpath_fmt+0x8c/0xa8)
 4789 21:23:43.357360  # [  125.635975]  r7:0000001c r6:c1a24cf0 r5:c1a24d2c r4:c6b80000
 4790 21:23:43.400902  # [  125.641652] [<c137fe28>] (warn_slowpath_fmt) from [<c086e574>] (refcount_warn_saturate+0x13c/0x174)
 4791 21:23:43.401086  # [  125.650705]  r9:c1ad0ddc r8:c15e8634 r7:c6b81f60 r6:00000020 r5:c5ff6000 r4:c6b80000
 4792 21:23:43.401174  # [  125.658463] [<c086e438>] (refcount_warn_saturate) from [<c0c30114>] (__refcount_sub_and_test.constprop.0+0x64/0x6c)
 4793 21:23:43.401258  # [  125.668913] [<c0c300b0>] (__refcount_sub_and_test.constprop.0) from [<c138d2a8>] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x50/0x88)
 4794 21:23:43.449107  # [  125.680665] [<c138d258>] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED) from [<c0c2f018>] (lkdtm_do_action+0x2c/0x4c)
 4795 21:23:43.449647  # [  125.690669]  r4:0000003a
 4796 21:23:43.449994  # [  125.693215] [<c0c2efec>] (lkdtm_do_action) from [<c0c2f518>] (direct_entry+0x120/0x18c)
 4797 21:23:43.450321  # [  125.701234] [<c0c2f3f8>] (direct_entry) from [<c07f6080>] (full_proxy_write+0x64/0x94)
 4798 21:23:43.450632  # [  125.709159]  r9:c6b81f60 r8:c530cd80 r7:00000020 r6:b6e40000 r5:c42e1680 r4:c0c2f3f8
 4799 21:23:43.450933  # [  125.716916] [<c07f601c>] (full_proxy_write) from [<c0598c00>] (vfs_write+0x10c/0x524)
 4800 21:23:43.493125  # [  125.724755]  r9:c07f601c r8:c6b81f60 r7:c2816000 r6:b6e40000 r5:c42e1680 r4:00000000
 4801 21:23:43.493362  # [  125.732506] [<c0598af4>] (vfs_write) from [<c0599194>] (ksys_write+0x74/0xec)
 4802 21:23:43.493497  # [  125.739649]  r10:00000004 r9:00000000 r8:00000000 r7:b6e40000 r6:c6b80000 r5:c42e1680
 4803 21:23:43.493619  # [  125.747483]  r4:c42e1680
 4804 21:23:43.493734  # [  125.750027] [<c0599120>] (ksys_write) from [<c0599224>] (sys_write+0x18/0x1c)
 4805 21:23:43.493848  # [  125.757170]  r9:c6b80000 r8:c03002e4 r7:00000004 r6:b6f87e00 r5:00000020 r4:00000020
 4806 21:23:43.537088  # [  125.764924] [<c059920c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 4807 21:23:43.537283  # [  125.772498] Exception stack(0xc6b81fa8 to 0xc6b81ff0)
 4808 21:23:43.537373  # [  125.777559] 1fa0:                   00000020 00000020 00000001 b6e40000 00000020 00000000
 4809 21:23:43.537457  # [  125.785744] 1fc0: 00000020 00000020 b6f87e00 00000004 00000001 00000000 00020000 beb94a54
 4810 21:23:43.537536  # [  125.793926] 1fe0: 00000004 beb94788 b6ef24cf b6e787e6
 4811 21:23:43.537612  # [  125.799028] irq event stamp: 0
 4812 21:23:43.537688  # [  125.802099] hardirqs last  enabled at (0): [<00000000>] 0x0
 4813 21:23:43.581230  # [  125.807729] hardirqs last disabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 4814 21:23:43.581611  # [  125.815228] softirqs last  enabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 4815 21:23:43.581853  # [  125.822747] softirqs last disabled at (0): [<00000000>] 0x0
 4816 21:23:43.582093  # [  125.828354] ---[ end trace dfcb905fa2d201df ]---
 4817 21:23:43.582364  # [  125.832983] lkdtm: Saturation detected: still saturated
 4818 21:23:43.582627  # REFCOUNT_DEC_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok
 4819 21:23:43.582883  ok 57 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh
 4820 21:23:43.583134  # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh
 4821 21:23:43.625333  [  126.308091] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED
 4822 21:23:43.625914  [  126.314987] lkdtm: attempting bad refcount_sub_and_test() from saturated
 4823 21:23:43.626303  [  126.321871] ------------[ cut here ]------------
 4824 21:23:43.626666  [  126.326592] WARNING: CPU: 2 PID: 3237 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174
 4825 21:23:43.627018  [  126.335132] refcount_t: underflow; use-after-free.
 4826 21:23:43.669372  [  126.340082] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv imx_ldb gpu_sched dw_hdmi_imx dw_hdmi parallel_display imxdrm imx_ipu_v3
 4827 21:23:43.669966  [  126.369602] CPU: 2 PID: 3237 Comm: cat Tainted: G      D W         5.10.153-cip19 #1
 4828 21:23:43.670358  [  126.377353] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 4829 21:23:43.670723  [  126.383884] Backtrace: 
 4830 21:23:43.671067  [  126.386362] [<c137e9d0>] (dump_backtrace) from [<c137ed90>] (show_stack+0x20/0x24)
 4831 21:23:43.713314  [  126.393943]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4
 4832 21:23:43.713897  [  126.399616] [<c137ed70>] (show_stack) from [<c1385f0c>] (dump_stack+0xe0/0x100)
 4833 21:23:43.714290  [  126.406941] [<c1385e2c>] (dump_stack) from [<c03566f0>] (__warn+0xfc/0x16c)
 4834 21:23:43.714649  [  126.413913]  r9:00000009 r8:c086e574 r7:0000001c r6:00000009 r5:c086e574 r4:c1a24cf0
 4835 21:23:43.714993  [  126.421667] [<c03565f4>] (__warn) from [<c137feb0>] (warn_slowpath_fmt+0x8c/0xa8)
 4836 21:23:43.715331  [  126.429156]  r7:0000001c r6:c1a24cf0 r5:c1a24d2c r4:c6fde000
 4837 21:23:43.756922  [  126.434829] [<c137fe28>] (warn_slowpath_fmt) from [<c086e574>] (refcount_warn_saturate+0x13c/0x174)
 4838 21:23:43.757082  [  126.443886]  r9:c1ad0dfc r8:c15e8634 r7:c6fdff60 r6:00000020 r5:c698d000 r4:c6fde000
 4839 21:23:43.757149  [  126.451643] [<c086e438>] (refcount_warn_saturate) from [<c0c30114>] (__refcount_sub_and_test.constprop.0+0x64/0x6c)
 4840 21:23:43.757212  [  126.462092] [<c0c300b0>] (__refcount_sub_and_test.constprop.0) from [<c138d330>] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x50/0x88)
 4841 21:23:43.801364  [  126.473844] [<c138d2e0>] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED) from [<c0c2f018>] (lkdtm_do_action+0x2c/0x4c)
 4842 21:23:43.801949  [  126.483848]  r4:0000003b
 4843 21:23:43.802334  [  126.486395] [<c0c2efec>] (lkdtm_do_action) from [<c0c2f518>] (direct_entry+0x120/0x18c)
 4844 21:23:43.802694  [  126.494414] [<c0c2f3f8>] (direct_entry) from [<c07f6080>] (full_proxy_write+0x64/0x94)
 4845 21:23:43.803034  [  126.502338]  r9:c6fdff60 r8:c530cd80 r7:00000020 r6:b6e9c000 r5:c4428b40 r4:c0c2f3f8
 4846 21:23:43.803368  [  126.510095] [<c07f601c>] (full_proxy_write) from [<c0598c00>] (vfs_write+0x10c/0x524)
 4847 21:23:43.803694  [  126.517934]  r9:c07f601c r8:c6fdff60 r7:c2816000 r6:b6e9c000 r5:c4428b40 r4:00000000
 4848 21:23:43.845345  [  126.525686] [<c0598af4>] (vfs_write) from [<c0599194>] (ksys_write+0x74/0xec)
 4849 21:23:43.845926  [  126.532829]  r10:00000004 r9:00000000 r8:00000000 r7:b6e9c000 r6:c6fde000 r5:c4428b40
 4850 21:23:43.846317  [  126.540661]  r4:c4428b40
 4851 21:23:43.846674  [  126.543204] [<c0599120>] (ksys_write) from [<c0599224>] (sys_write+0x18/0x1c)
 4852 21:23:43.847021  [  126.550349]  r9:c6fde000 r8:c03002e4 r7:00000004 r6:b6fe3e00 r5:00000020 r4:00000020
 4853 21:23:43.847357  [  126.558103] [<c059920c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 4854 21:23:43.888914  [  126.565679] Exception stack(0xc6fdffa8 to 0xc6fdfff0)
 4855 21:23:43.889073  [  126.570742] ffa0:                   00000020 00000020 00000001 b6e9c000 00000020 00000000
 4856 21:23:43.889141  [  126.578927] ffc0: 00000020 00000020 b6fe3e00 00000004 00000001 00000000 00020000 bef66a54
 4857 21:23:43.889204  [  126.587111] ffe0: 00000004 bef66788 b6f4e4cf b6ed47e6
 4858 21:23:43.889264  [  126.592251] irq event stamp: 0
 4859 21:23:43.889322  [  126.595324] hardirqs last  enabled at (0): [<00000000>] 0x0
 4860 21:23:43.889380  [  126.600959] hardirqs last disabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 4861 21:23:43.933114  [  126.608531] softirqs last  enabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 4862 21:23:43.933311  [  126.616115] softirqs last disabled at (0): [<00000000>] 0x0
 4863 21:23:43.933412  [  126.621717] ---[ end trace dfcb905fa2d201e0 ]---
 4864 21:23:43.933508  [  126.626387] lkdtm: Saturation detected: still saturated
 4865 21:23:44.040302  # [  126.308091] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED
 4866 21:23:44.040533  # [  126.314987] lkdtm: attempting bad refcount_sub_and_test() from saturated
 4867 21:23:44.040684  # [  126.321871] ------------[ cut here ]------------
 4868 21:23:44.040809  # [  126.326592] WARNING: CPU: 2 PID: 3237 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174
 4869 21:23:44.040927  # [  126.335132] refcount_t: underflow; use-after-free.
 4870 21:23:44.083678  # [  126.340082] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev etnaviv imx_ldb gpu_sched dw_hdmi_imx dw_hdmi parallel_display imxdrm imx_ipu_v3
 4871 21:23:44.084267  # [  126.369602] CPU: 2 PID: 3237 Comm: cat Tainted: G      D W         5.10.153-cip19 #1
 4872 21:23:44.084700  # [  126.377353] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 4873 21:23:44.085076  # [  126.383884] Backtrace: 
 4874 21:23:44.085425  # [  126.386362] [<c137e9d0>] (dump_backtrace) from [<c137ed90>] (show_stack+0x20/0x24)
 4875 21:23:44.126506  
 4876 21:23:44.127033  # [  126.393943]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4
 4877 21:23:44.127386  # [  126.399616] [<c137ed70>] (show_stack) from [<c1385f0c>] (dump_stack+0xe0/0x100)
 4878 21:23:44.127718  # [  126.406941] [<c1385e2c>] (dump_stack) from [<c03566f0>] (__warn+0xfc/0x16c)
 4879 21:23:44.128037  # [  126.413913]  r9:00000009 r8:c086e574 r7:0000001c r6:00000009 r5:c086e574 r4:c1a24cf0
 4880 21:23:44.128347  # [  126.421667] [<c03565f4>] (__warn) from [<c137feb0>] (warn_slowpath_fmt+0x8c/0xa8)
 4881 21:23:44.128649  # [  126.429156]  r7:0000001c r6:c1a24cf0 r5:c1a24d2c r4:c6fde000
 4882 21:23:44.169221  # [  126.434829] [<c137fe28>] (warn_slowpath_fmt) from [<c086e574>] (refcount_warn_saturate+0x13c/0x174)
 4883 21:23:44.169375  # [  126.443886]  r9:c1ad0dfc r8:c15e8634 r7:c6fdff60 r6:00000020 r5:c698d000 r4:c6fde000
 4884 21:23:44.169441  # [  126.451643] [<c086e438>] (refcount_warn_saturate) from [<c0c30114>] (__refcount_sub_and_test.constprop.0+0x64/0x6c)
 4885 21:23:44.169505  # [  126.462092] [<c0c300b0>] (__refcount_sub_and_test.constprop.0) from [<c138d330>] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x50/0x88)
 4886 21:23:44.212889  # [  126.473844] [<c138d2e0>] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED) from [<c0c2f018>] (lkdtm_do_action+0x2c/0x4c)
 4887 21:23:44.213172  # [  126.483848]  r4:0000003b
 4888 21:23:44.213342  # [  126.486395] [<c0c2efec>] (lkdtm_do_action) from [<c0c2f518>] (direct_entry+0x120/0x18c)
 4889 21:23:44.213497  # [  126.494414] [<c0c2f3f8>] (direct_entry) from [<c07f6080>] (full_proxy_write+0x64/0x94)
 4890 21:23:44.213639  # [  126.502338]  r9:c6fdff60 r8:c530cd80 r7:00000020 r6:b6e9c000 r5:c4428b40 r4:c0c2f3f8
 4891 21:23:44.213778  # [  126.510095] [<c07f601c>] (full_proxy_write) from [<c0598c00>] (vfs_write+0x10c/0x524)
 4892 21:23:44.261108  # [  126.517934]  r9:c07f601c r8:c6fdff60 r7:c2816000 r6:b6e9c000 r5:c4428b40 r4:00000000
 4893 21:23:44.261686  # [  126.525686] [<c0598af4>] (vfs_write) from [<c0599194>] (ksys_write+0x74/0xec)
 4894 21:23:44.262075  # [  126.532829]  r10:00000004 r9:00000000 r8:00000000 r7:b6e9c000 r6:c6fde000 r5:c4428b40
 4895 21:23:44.262435  # [  126.540661]  r4:c4428b40
 4896 21:23:44.262786  # [  126.543204] [<c0599120>] (ksys_write) from [<c0599224>] (sys_write+0x18/0x1c)
 4897 21:23:44.263157  # [  126.550349]  r9:c6fde000 r8:c03002e4 r7:00000004 r6:b6fe3e00 r5:00000020 r4:00000020
 4898 21:23:44.304836  # [  126.558103] [<c059920c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 4899 21:23:44.304992  # [  126.565679] Exception stack(0xc6fdffa8 to 0xc6fdfff0)
 4900 21:23:44.305059  # [  126.570742] ffa0:                   00000020 00000020 00000001 b6e9c000 00000020 00000000
 4901 21:23:44.305122  # [  126.578927] ffc0: 00000020 00000020 b6fe3e00 00000004 00000001 00000000 00020000 bef66a54
 4902 21:23:44.305181  # [  126.587111] ffe0: 00000004 bef66788 b6f4e4cf b6ed47e6
 4903 21:23:44.305240  # [  126.592251] irq event stamp: 0
 4904 21:23:44.305295  # [  126.595324] hardirqs last  enabled at (0): [<00000000>] 0x0
 4905 21:23:44.349115  # [  126.600959] hardirqs last disabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 4906 21:23:44.349784  # [  126.608531] softirqs last  enabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 4907 21:23:44.350144  # [  126.616115] softirqs last disabled at (0): [<00000000>] 0x0
 4908 21:23:44.350472  # [  126.621717] ---[ end trace dfcb905fa2d201e0 ]---
 4909 21:23:44.350785  # [  126.626387] lkdtm: Saturation detected: still saturated
 4910 21:23:44.351091  # REFCOUNT_SUB_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok
 4911 21:23:44.351390  ok 58 selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh
 4912 21:23:44.351688  # selftests: lkdtm: REFCOUNT_TIMING.sh
 4913 21:23:44.393201  # Skipping REFCOUNT_TIMING: timing only
 4914 21:23:44.393739  ok 59 selftests: lkdtm: REFCOUNT_TIMING.sh # SKIP
 4915 21:23:44.394106  # selftests: lkdtm: ATOMIC_TIMING.sh
 4916 21:23:44.448340  # Skipping ATOMIC_TIMING: timing only
 4917 21:23:44.463916  ok 60 selftests: lkdtm: ATOMIC_TIMING.sh # SKIP
 4918 21:23:44.480085  # selftests: lkdtm: USERCOPY_HEAP_SIZE_TO.sh
 4919 21:23:44.739618  [  127.442066] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO
 4920 21:23:44.740177  [  127.448302] lkdtm: attempting good copy_to_user of correct size
 4921 21:23:44.740547  [  127.454308] lkdtm: attempting bad copy_to_user of too large size
 4922 21:23:44.872561  # [  127.442066] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO
 4923 21:23:44.873159  # [  127.448302] lkdtm: attempting good copy_to_user of correct size
 4924 21:23:44.873530  # [  127.454308] lkdtm: attempting bad copy_to_user of too large size
 4925 21:23:44.873870  # USERCOPY_HEAP_SIZE_TO: missing 'call trace:': [FAIL]
 4926 21:23:44.896507  not ok 61 selftests: lkdtm: USERCOPY_HEAP_SIZE_TO.sh # exit=1
 4927 21:23:44.912242  # selftests: lkdtm: USERCOPY_HEAP_SIZE_FROM.sh
 4928 21:23:45.167283  [  127.868195] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM
 4929 21:23:45.167413  [  127.874419] lkdtm: attempting good copy_from_user of correct size
 4930 21:23:45.167478  [  127.880630] lkdtm: attempting bad copy_from_user of too large size
 4931 21:23:45.283696  # [  127.868195] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM
 4932 21:23:45.284209  # [  127.874419] lkdtm: attempting good copy_from_user of correct size
 4933 21:23:45.284543  # [  127.880630] lkdtm: attempting bad copy_from_user of too large size
 4934 21:23:45.299316  # USERCOPY_HEAP_SIZE_FROM: missing 'call trace:': [FAIL]
 4935 21:23:45.325235  not ok 62 selftests: lkdtm: USERCOPY_HEAP_SIZE_FROM.sh # exit=1
 4936 21:23:45.340928  # selftests: lkdtm: USERCOPY_HEAP_WHITELIST_TO.sh
 4937 21:23:45.589453  [  128.292262] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO
 4938 21:23:45.589601  [  128.298832] lkdtm: attempting good copy_to_user inside whitelist
 4939 21:23:45.589691  [  128.304893] lkdtm: attempting bad copy_to_user outside whitelist
 4940 21:23:45.706386  # [  128.292262] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO
 4941 21:23:45.706472  # [  128.298832] lkdtm: attempting good copy_to_user inside whitelist
 4942 21:23:45.706537  # [  128.304893] lkdtm: attempting bad copy_to_user outside whitelist
 4943 21:23:45.722307  # USERCOPY_HEAP_WHITELIST_TO: missing 'call trace:': [FAIL]
 4944 21:23:45.747242  not ok 63 selftests: lkdtm: USERCOPY_HEAP_WHITELIST_TO.sh # exit=1
 4945 21:23:45.763430  # selftests: lkdtm: USERCOPY_HEAP_WHITELIST_FROM.sh
 4946 21:23:46.013802  [  128.718345] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM
 4947 21:23:46.013936  [  128.725003] lkdtm: attempting good copy_from_user inside whitelist
 4948 21:23:46.014005  [  128.731513] lkdtm: attempting bad copy_from_user outside whitelist
 4949 21:23:46.157241  # [  128.718345] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM
 4950 21:23:46.157802  # [  128.725003] lkdtm: attempting good copy_from_user inside whitelist
 4951 21:23:46.158172  # [  128.731513] lkdtm: attempting bad copy_from_user outside whitelist
 4952 21:23:46.158516  # USERCOPY_HEAP_WHITELIST_FROM: missing 'call trace:': [FAIL]
 4953 21:23:46.178887  not ok 64 selftests: lkdtm: USERCOPY_HEAP_WHITELIST_FROM.sh # exit=1
 4954 21:23:46.194959  # selftests: lkdtm: USERCOPY_STACK_FRAME_TO.sh
 4955 21:23:46.464062  [  129.155977] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO
 4956 21:23:46.464217  [  129.162187] lkdtm: good_stack: c6a33e0c-c6a33e2c
 4957 21:23:46.464283  [  129.166984] lkdtm: bad_stack : c6a33d84-c6a33da4
 4958 21:23:46.464356  [  129.171672] lkdtm: attempting good copy_to_user of local stack
 4959 21:23:46.464415  [  129.177654] lkdtm: attempting bad copy_to_user of distant stack
 4960 21:23:46.597908  # [  129.155977] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO
 4961 21:23:46.598067  # [  129.162187] lkdtm: good_stack: c6a33e0c-c6a33e2c
 4962 21:23:46.598136  # [  129.166984] lkdtm: bad_stack : c6a33d84-c6a33da4
 4963 21:23:46.598210  # [  129.171672] lkdtm: attempting good copy_to_user of local stack
 4964 21:23:46.598285  # [  129.177654] lkdtm: attempting bad copy_to_user of distant stack
 4965 21:23:46.598371  # USERCOPY_STACK_FRAME_TO: missing 'call trace:': [FAIL]
 4966 21:23:46.618839  not ok 65 selftests: lkdtm: USERCOPY_STACK_FRAME_TO.sh # exit=1
 4967 21:23:46.634643  # selftests: lkdtm: USERCOPY_STACK_FRAME_FROM.sh
 4968 21:23:46.896417  [  129.586711] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM
 4969 21:23:46.896542  [  129.593096] lkdtm: good_stack: c6c8be0c-c6c8be2c
 4970 21:23:46.896622  [  129.597798] lkdtm: bad_stack : c6c8bd84-c6c8bda4
 4971 21:23:46.896705  [  129.603746] lkdtm: attempting good copy_from_user of local stack
 4972 21:23:46.896814  [  129.609945] lkdtm: attempting bad copy_from_user of distant stack
 4973 21:23:47.035445  # [  129.586711] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM
 4974 21:23:47.035884  # [  129.593096] lkdtm: good_stack: c6c8be0c-c6c8be2c
 4975 21:23:47.036225  # [  129.597798] lkdtm: bad_stack : c6c8bd84-c6c8bda4
 4976 21:23:47.036542  # [  129.603746] lkdtm: attempting good copy_from_user of local stack
 4977 21:23:47.036882  # [  129.609945] lkdtm: attempting bad copy_from_user of distant stack
 4978 21:23:47.037183  # USERCOPY_STACK_FRAME_FROM: missing 'call trace:': [FAIL]
 4979 21:23:47.051518  not ok 66 selftests: lkdtm: USERCOPY_STACK_FRAME_FROM.sh # exit=1
 4980 21:23:47.066893  # selftests: lkdtm: USERCOPY_STACK_BEYOND.sh
 4981 21:23:47.343155  [  130.034194] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND
 4982 21:23:47.343691  [  130.040287] lkdtm: good_stack: c6c8be0c-c6c8be2c
 4983 21:23:47.344039  [  130.044920] lkdtm: bad_stack : c6c8bffc-c6c8c01c
 4984 21:23:47.344355  [  130.049751] lkdtm: attempting good copy_to_user of local stack
 4985 21:23:47.344688  [  130.055693] lkdtm: attempting bad copy_to_user of distant stack
 4986 21:23:47.472368  # [  130.034194] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND
 4987 21:23:47.472585  # [  130.040287] lkdtm: good_stack: c6c8be0c-c6c8be2c
 4988 21:23:47.472706  # [  130.044920] lkdtm: bad_stack : c6c8bffc-c6c8c01c
 4989 21:23:47.472808  # [  130.049751] lkdtm: attempting good copy_to_user of local stack
 4990 21:23:47.472904  # [  130.055693] lkdtm: attempting bad copy_to_user of distant stack
 4991 21:23:47.472999  # USERCOPY_STACK_BEYOND: missing 'call trace:': [FAIL]
 4992 21:23:47.488541  not ok 67 selftests: lkdtm: USERCOPY_STACK_BEYOND.sh # exit=1
 4993 21:23:47.504535  # selftests: lkdtm: USERCOPY_KERNEL.sh
 4994 21:23:47.767903  [  130.464968] lkdtm: Performing direct entry USERCOPY_KERNEL
 4995 21:23:47.768069  [  130.470572] lkdtm: attempting good copy_to_user from kernel rodata: c15e88e0
 4996 21:23:47.768140  [  130.477731] lkdtm: attempting bad copy_to_user from kernel text: c053a434
 4997 21:23:47.768208  [  130.484539] lkdtm: FAIL: survived bad copy_to_user()
 4998 21:23:47.897992  # [  130.464968] lkdtm: Performing direct entry USERCOPY_KERNEL
 4999 21:23:47.898527  # [  130.470572] lkdtm: attempting good copy_to_user from kernel rodata: c15e88e0
 5000 21:23:47.898878  # [  130.477731] lkdtm: attempting bad copy_to_user from kernel text: c053a434
 5001 21:23:47.899202  # [  130.484539] lkdtm: FAIL: survived bad copy_to_user()
 5002 21:23:47.899511  # USERCOPY_KERNEL: missing 'call trace:': [FAIL]
 5003 21:23:47.913639  not ok 68 selftests: lkdtm: USERCOPY_KERNEL.sh # exit=1
 5004 21:23:47.929751  # selftests: lkdtm: STACKLEAK_ERASING.sh
 5005 21:23:48.217741  [  130.908921] lkdtm: Performing direct entry STACKLEAK_ERASING
 5006 21:23:48.217890  [  130.914608] lkdtm: checking unused part of the thread stack (7732 bytes)...
 5007 21:23:48.217962  [  130.921708] lkdtm: FAIL: the erased part is not found (checked 7732 bytes)
 5008 21:23:48.218029  [  130.928694] lkdtm: FAIL: the thread stack is NOT properly erased
 5009 21:23:48.218101  [  130.934762] CPU: 2 PID: 3602 Comm: cat Tainted: G      D W         5.10.153-cip19 #1
 5010 21:23:48.218160  [  130.942516] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 5011 21:23:48.218217  [  130.949048] Backtrace: 
 5012 21:23:48.260884  [  130.951527] [<c137e9d0>] (dump_backtrace) from [<c137ed90>] (show_stack+0x20/0x24)
 5013 21:23:48.260969  [  130.959108]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4
 5014 21:23:48.261036  [  130.964781] [<c137ed70>] (show_stack) from [<c1385f0c>] (dump_stack+0xe0/0x100)
 5015 21:23:48.261098  [  130.972106] [<c1385e2c>] (dump_stack) from [<c138d618>] (lkdtm_STACKLEAK_ERASING+0x148/0x174)
 5016 21:23:48.261157  [  130.980640]  r9:c1ad0f04 r8:c15e8634 r7:c6f05f60 r6:c6f05e34 r5:c6f04000 r4:0000078d
 5017 21:23:48.303927  [  130.988399] [<c138d4d0>] (lkdtm_STACKLEAK_ERASING) from [<c0c2f018>] (lkdtm_do_action+0x2c/0x4c)
 5018 21:23:48.304011  [  130.997194]  r8:c15e8634 r7:c6f05f60 r6:00000012 r5:c698d000 r4:00000046
 5019 21:23:48.304079  [  131.003908] [<c0c2efec>] (lkdtm_do_action) from [<c0c2f518>] (direct_entry+0x120/0x18c)
 5020 21:23:48.304142  [  131.011927] [<c0c2f3f8>] (direct_entry) from [<c07f6080>] (full_proxy_write+0x64/0x94)
 5021 21:23:48.304202  [  131.019853]  r9:c6f05f60 r8:c530cd80 r7:00000012 r6:b6dbb000 r5:c42a03c0 r4:c0c2f3f8
 5022 21:23:48.304260  [  131.027610] [<c07f601c>] (full_proxy_write) from [<c0598c00>] (vfs_write+0x10c/0x524)
 5023 21:23:48.347229  [  131.035450]  r9:c07f601c r8:c6f05f60 r7:c2816000 r6:b6dbb000 r5:c42a03c0 r4:00000000
 5024 21:23:48.347320  [  131.043202] [<c0598af4>] (vfs_write) from [<c0599194>] (ksys_write+0x74/0xec)
 5025 21:23:48.347388  [  131.050346]  r10:00000004 r9:00000000 r8:00000000 r7:b6dbb000 r6:c6f04000 r5:c42a03c0
 5026 21:23:48.347449  [  131.058179]  r4:c42a03c0
 5027 21:23:48.347508  [  131.060723] [<c0599120>] (ksys_write) from [<c0599224>] (sys_write+0x18/0x1c)
 5028 21:23:48.347565  [  131.067869]  r9:c6f04000 r8:c03002e4 r7:00000004 r6:b6f02e00 r5:00000012 r4:00000012
 5029 21:23:48.389592  [  131.075626] [<c059920c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 5030 21:23:48.389804  [  131.083201] Exception stack(0xc6f05fa8 to 0xc6f05ff0)
 5031 21:23:48.389924  [  131.088262] 5fa0:                   00000012 00000012 00000001 b6dbb000 00000012 00000000
 5032 21:23:48.390036  [  131.096451] 5fc0: 00000012 00000012 b6f02e00 00000004 00000001 00000000 00020000 bed31a54
 5033 21:23:48.390143  [  131.104634] 5fe0: 00000004 bed31788 b6e6d4cf b6df37e6
 5034 21:23:48.517811  # [  130.908921] lkdtm: Performing direct entry STACKLEAK_ERASING
 5035 21:23:48.518397  # [  130.914608] lkdtm: checking unused part of the thread stack (7732 bytes)...
 5036 21:23:48.518779  # [  130.921708] lkdtm: FAIL: the erased part is not found (checked 7732 bytes)
 5037 21:23:48.519133  # [  130.928694] lkdtm: FAIL: the thread stack is NOT properly erased
 5038 21:23:48.519473  # [  130.934762] CPU: 2 PID: 3602 Comm: cat Tainted: G      D W         5.10.153-cip19 #1
 5039 21:23:48.519805  # [  130.942516] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 5040 21:23:48.560789  # [  130.949048] Backtrace: 
 5041 21:23:48.561339  # [  130.951527] [<c137e9d0>] (dump_backtrace) from [<c137ed90>] (show_stack+0x20/0x24)
 5042 21:23:48.561719  # [  130.959108]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4
 5043 21:23:48.562072  # [  130.964781] [<c137ed70>] (show_stack) from [<c1385f0c>] (dump_stack+0xe0/0x100)
 5044 21:23:48.562412  # [  130.972106] [<c1385e2c>] (dump_stack) from [<c138d618>] (lkdtm_STACKLEAK_ERASING+0x148/0x174)
 5045 21:23:48.562746  # [  130.980640]  r9:c1ad0f04 r8:c15e8634 r7:c6f05f60 r6:c6f05e34 r5:c6f04000 r4:0000078d
 5046 21:23:48.603417  # [  130.988399] [<c138d4d0>] (lkdtm_STACKLEAK_ERASING) from [<c0c2f018>] (lkdtm_do_action+0x2c/0x4c)
 5047 21:23:48.603569  # [  130.997194]  r8:c15e8634 r7:c6f05f60 r6:00000012 r5:c698d000 r4:00000046
 5048 21:23:48.603644  # [  131.003908] [<c0c2efec>] (lkdtm_do_action) from [<c0c2f518>] (direct_entry+0x120/0x18c)
 5049 21:23:48.603714  # [  131.011927] [<c0c2f3f8>] (direct_entry) from [<c07f6080>] (full_proxy_write+0x64/0x94)
 5050 21:23:48.603781  # [  131.019853]  r9:c6f05f60 r8:c530cd80 r7:00000012 r6:b6dbb000 r5:c42a03c0 r4:c0c2f3f8
 5051 21:23:48.603847  # [  131.027610] [<c07f601c>] (full_proxy_write) from [<c0598c00>] (vfs_write+0x10c/0x524)
 5052 21:23:48.647160  # [  131.035450]  r9:c07f601c r8:c6f05f60 r7:c2816000 r6:b6dbb000 r5:c42a03c0 r4:00000000
 5053 21:23:48.647704  # [  131.043202] [<c0598af4>] (vfs_write) from [<c0599194>] (ksys_write+0x74/0xec)
 5054 21:23:48.648059  # [  131.050346]  r10:00000004 r9:00000000 r8:00000000 r7:b6dbb000 r6:c6f04000 r5:c42a03c0
 5055 21:23:48.648384  # [  131.058179]  r4:c42a03c0
 5056 21:23:48.648725  # [  131.060723] [<c0599120>] (ksys_write) from [<c0599224>] (sys_write+0x18/0x1c)
 5057 21:23:48.649035  # [  131.067869]  r9:c6f04000 r8:c03002e4 r7:00000004 r6:b6f02e00 r5:00000012 r4:00000012
 5058 21:23:48.689933  # [  131.075626] [<c059920c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 5059 21:23:48.690109  # [  131.083201] Exception stack(0xc6f05fa8 to 0xc6f05ff0)
 5060 21:23:48.690194  # [  131.088262] 5fa0:                   00000012 00000012 00000001 b6dbb000 00000012 00000000
 5061 21:23:48.690275  # [  131.096451] 5fc0: 00000012 00000012 b6f02e00 00000004 00000001 00000000 00020000 bed31a54
 5062 21:23:48.690357  # [  131.104634] 5fe0: 00000004 bed31788 b6e6d4cf b6df37e6
 5063 21:23:48.690432  # STACKLEAK_ERASING: missing 'OK: the rest of the thread stack is properly erased': [FAIL]
 5064 21:23:48.709916  not ok 69 selftests: lkdtm: STACKLEAK_ERASING.sh # exit=1
 5065 21:23:48.710004  # selftests: lkdtm: CFI_FORWARD_PROTO.sh
 5066 21:23:48.854287  [  131.551887] lkdtm: Performing direct entry CFI_FORWARD_PROTO
 5067 21:23:48.854826  [  131.557623] lkdtm: Calling matched prototype ...
 5068 21:23:48.855205  [  131.562256] lkdtm: Calling mismatched prototype ...
 5069 21:23:48.855560  [  131.567317] lkdtm: Fail: survived mismatched prototype function call!
 5070 21:23:48.980079  # [  131.551887] lkdtm: Performing direct entry CFI_FORWARD_PROTO
 5071 21:23:48.980647  # [  131.557623] lkdtm: Calling matched prototype ...
 5072 21:23:48.981071  # [  131.562256] lkdtm: Calling mismatched prototype ...
 5073 21:23:48.981430  # [  131.567317] lkdtm: Fail: survived mismatched prototype function call!
 5074 21:23:48.981774  # CFI_FORWARD_PROTO: missing 'call trace:': [FAIL]
 5075 21:23:49.012103  not ok 70 selftests: lkdtm: CFI_FORWARD_PROTO.sh # exit=1
 5076 21:23:49.059713  <LAVA_TEST_RUNNER EXIT>
 5077 21:23:49.060369  ok: lava_test_shell seems to have completed
 5078 21:23:49.060500  Marking unfinished test run as failed
 5080 21:23:49.060729  end: 3.1 lava-test-shell (duration 00:01:18) [common]
 5081 21:23:49.060824  end: 3 lava-test-retry (duration 00:01:18) [common]
 5082 21:23:49.060919  start: 4 finalize (timeout 00:06:24) [common]
 5083 21:23:49.061014  start: 4.1 power-off (timeout 00:00:30) [common]
 5084 21:23:49.061159  Calling: 'nice' 'pduclient' '--daemon=localhost' '--hostname=eth8020-0' '--port=2' '--command=off'
 5085 21:23:49.080325  >> Command sent successfully.

 5086 21:23:49.082175  Returned 0 in 0 seconds
 5087 21:23:49.183116  end: 4.1 power-off (duration 00:00:00) [common]
 5089 21:23:49.183614  start: 4.2 read-feedback (timeout 00:06:24) [common]
 5090 21:23:49.184048  Listened to connection for namespace 'common' for up to 1s
 5091 21:23:49.184423  Listened to connection for namespace 'common' for up to 1s
 5092 21:23:50.188839  Finalising connection for namespace 'common'
 5093 21:23:50.189016  Disconnecting from shell: Finalise
 5094 21:23:50.189100  / # 
 5095 21:23:50.289836  end: 4.2 read-feedback (duration 00:00:01) [common]
 5096 21:23:50.289998  end: 4 finalize (duration 00:00:01) [common]
 5097 21:23:50.290115  Cleaning after the job
 5098 21:23:50.290215  Cleaning up download directory: /var/lib/lava/dispatcher/tmp/7922243/tftp-deploy-c6o7r9rh/ramdisk
 5099 21:23:50.291245  Cleaning up download directory: /var/lib/lava/dispatcher/tmp/7922243/tftp-deploy-c6o7r9rh/kernel
 5100 21:23:50.292053  Cleaning up download directory: /var/lib/lava/dispatcher/tmp/7922243/tftp-deploy-c6o7r9rh/dtb
 5101 21:23:50.292162  Cleaning up download directory: /var/lib/lava/dispatcher/tmp/7922243/tftp-deploy-c6o7r9rh/nfsrootfs
 5102 21:23:50.327302  Cleaning up download directory: /var/lib/lava/dispatcher/tmp/7922243/tftp-deploy-c6o7r9rh/modules
 5103 21:23:50.329607  Override tmp directory removed at /var/lib/lava/dispatcher/tmp/7922243
 5104 21:23:50.520654  Root tmp directory removed at /var/lib/lava/dispatcher/tmp/7922243
 5105 21:23:50.520828  Job finished correctly