Boot log: imx6q-sabrelite

    1 12:15:37.460016  lava-dispatcher, installed at version: 2022.11
    2 12:15:37.460188  start: 0 validate
    3 12:15:37.460314  Start time: 2023-01-04 12:15:37.460307+00:00 (UTC)
    4 12:15:37.460427  Using caching service: 'http://localhost/cache/?uri=%s'
    5 12:15:37.460548  Validating that http://localhost/cache/?uri=http%3A%2F%2Fstorage.kernelci.org%2Fimages%2Frootfs%2Fdebian%2Fbullseye-kselftest%2F20221230.0%2Farmhf%2Finitrd.cpio.gz exists
    6 12:15:39.466750  Using caching service: 'http://localhost/cache/?uri=%s'
    7 12:15:39.467449  Validating that http://localhost/cache/?uri=http%3A%2F%2Fstorage.kernelci.org%2Fcip-gitlab%2Fci-iwamatsu-linux-5.10.y-cip-rc%2Fv5.10.161-cip23-65-gca8c192cb189%2Farm%2Fmulti_v7_defconfig%2Bkselftest%2Fgcc-10%2Fkernel%2FzImage exists
    8 12:15:45.977077  Using caching service: 'http://localhost/cache/?uri=%s'
    9 12:15:45.977748  Validating that http://localhost/cache/?uri=http%3A%2F%2Fstorage.kernelci.org%2Fcip-gitlab%2Fci-iwamatsu-linux-5.10.y-cip-rc%2Fv5.10.161-cip23-65-gca8c192cb189%2Farm%2Fmulti_v7_defconfig%2Bkselftest%2Fgcc-10%2Fdtbs%2Fimx6q-sabrelite.dtb exists
   10 12:15:45.982464  Using caching service: 'http://localhost/cache/?uri=%s'
   11 12:15:45.983031  Validating that http://localhost/cache/?uri=http%3A%2F%2Fstorage.kernelci.org%2Fimages%2Frootfs%2Fdebian%2Fbullseye-kselftest%2F20221230.0%2Farmhf%2Ffull.rootfs.tar.xz exists
   12 12:16:55.593651  Using caching service: 'http://localhost/cache/?uri=%s'
   13 12:16:55.593825  Validating that http://localhost/cache/?uri=http%3A%2F%2Fstorage.kernelci.org%2Fcip-gitlab%2Fci-iwamatsu-linux-5.10.y-cip-rc%2Fv5.10.161-cip23-65-gca8c192cb189%2Farm%2Fmulti_v7_defconfig%2Bkselftest%2Fgcc-10%2Fmodules.tar.xz exists
   14 12:16:55.887582  validate duration: 78.43
   16 12:16:55.887887  start: 1 tftp-deploy (timeout 00:10:00) [common]
   17 12:16:55.888003  start: 1.1 download-retry (timeout 00:10:00) [common]
   18 12:16:55.888094  start: 1.1.1 http-download (timeout 00:10:00) [common]
   19 12:16:55.888199  Not decompressing ramdisk as can be used compressed.
   20 12:16:55.888283  downloading http://storage.kernelci.org/images/rootfs/debian/bullseye-kselftest/20221230.0/armhf/initrd.cpio.gz
   21 12:16:55.888397  saving as /var/lib/lava/dispatcher/tmp/8570582/tftp-deploy-m1t52ubc/ramdisk/initrd.cpio.gz
   22 12:16:55.888461  total size: 4020222 (3MB)
   23 12:16:56.176372  progress   0% (0MB)
   24 12:16:56.177606  progress   5% (0MB)
   25 12:16:56.178651  progress  10% (0MB)
   26 12:16:56.179643  progress  15% (0MB)
   27 12:16:56.180683  progress  20% (0MB)
   28 12:16:56.181683  progress  25% (0MB)
   29 12:16:56.182671  progress  30% (1MB)
   30 12:16:56.183696  progress  35% (1MB)
   31 12:16:56.184913  progress  40% (1MB)
   32 12:16:56.185903  progress  45% (1MB)
   33 12:16:56.186885  progress  50% (1MB)
   34 12:16:56.187905  progress  55% (2MB)
   35 12:16:56.188968  progress  60% (2MB)
   36 12:16:56.189986  progress  65% (2MB)
   37 12:16:56.190967  progress  70% (2MB)
   38 12:16:56.192101  progress  75% (2MB)
   39 12:16:56.193122  progress  80% (3MB)
   40 12:16:56.194107  progress  85% (3MB)
   41 12:16:56.195094  progress  90% (3MB)
   42 12:16:56.196071  progress  95% (3MB)
   43 12:16:56.197150  progress 100% (3MB)
   44 12:16:56.197391  3MB downloaded in 0.31s (12.41MB/s)
   45 12:16:56.197548  end: 1.1.1 http-download (duration 00:00:00) [common]
   47 12:16:56.197797  end: 1.1 download-retry (duration 00:00:00) [common]
   48 12:16:56.197886  start: 1.2 download-retry (timeout 00:10:00) [common]
   49 12:16:56.197972  start: 1.2.1 http-download (timeout 00:10:00) [common]
   50 12:16:56.198104  downloading http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.161-cip23-65-gca8c192cb189/arm/multi_v7_defconfig+kselftest/gcc-10/kernel/zImage
   51 12:16:56.198186  saving as /var/lib/lava/dispatcher/tmp/8570582/tftp-deploy-m1t52ubc/kernel/zImage
   52 12:16:56.198265  total size: 12349952 (11MB)
   53 12:16:56.198340  No compression specified
   54 12:16:56.487301  progress   0% (0MB)
   55 12:16:56.490485  progress   5% (0MB)
   56 12:16:56.493582  progress  10% (1MB)
   57 12:16:56.496662  progress  15% (1MB)
   58 12:16:56.499699  progress  20% (2MB)
   59 12:16:56.502733  progress  25% (2MB)
   60 12:16:56.505775  progress  30% (3MB)
   61 12:16:56.508618  progress  35% (4MB)
   62 12:16:56.511663  progress  40% (4MB)
   63 12:16:56.514731  progress  45% (5MB)
   64 12:16:56.517795  progress  50% (5MB)
   65 12:16:56.520862  progress  55% (6MB)
   66 12:16:56.523888  progress  60% (7MB)
   67 12:16:56.526744  progress  65% (7MB)
   68 12:16:56.529728  progress  70% (8MB)
   69 12:16:56.532691  progress  75% (8MB)
   70 12:16:56.535680  progress  80% (9MB)
   71 12:16:56.538703  progress  85% (10MB)
   72 12:16:56.541689  progress  90% (10MB)
   73 12:16:56.544679  progress  95% (11MB)
   74 12:16:56.547533  progress 100% (11MB)
   75 12:16:56.547850  11MB downloaded in 0.35s (33.69MB/s)
   76 12:16:56.548004  end: 1.2.1 http-download (duration 00:00:00) [common]
   78 12:16:56.548283  end: 1.2 download-retry (duration 00:00:00) [common]
   79 12:16:56.548373  start: 1.3 download-retry (timeout 00:09:59) [common]
   80 12:16:56.548461  start: 1.3.1 http-download (timeout 00:09:59) [common]
   81 12:16:56.548589  downloading http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.161-cip23-65-gca8c192cb189/arm/multi_v7_defconfig+kselftest/gcc-10/dtbs/imx6q-sabrelite.dtb
   82 12:16:56.548665  saving as /var/lib/lava/dispatcher/tmp/8570582/tftp-deploy-m1t52ubc/dtb/imx6q-sabrelite.dtb
   83 12:16:56.548743  total size: 42449 (0MB)
   84 12:16:56.548805  No compression specified
   85 12:16:56.831728  progress  77% (0MB)
   86 12:16:56.832086  progress 100% (0MB)
   87 12:16:56.832326  0MB downloaded in 0.28s (0.14MB/s)
   88 12:16:56.832472  end: 1.3.1 http-download (duration 00:00:00) [common]
   90 12:16:56.832758  end: 1.3 download-retry (duration 00:00:00) [common]
   91 12:16:56.832848  start: 1.4 download-retry (timeout 00:09:59) [common]
   92 12:16:56.832936  start: 1.4.1 http-download (timeout 00:09:59) [common]
   93 12:16:56.833042  downloading http://storage.kernelci.org/images/rootfs/debian/bullseye-kselftest/20221230.0/armhf/full.rootfs.tar.xz
   94 12:16:56.833125  saving as /var/lib/lava/dispatcher/tmp/8570582/tftp-deploy-m1t52ubc/nfsrootfs/full.rootfs.tar
   95 12:16:56.833201  total size: 195803972 (186MB)
   96 12:16:56.833262  Using unxz to decompress xz
   97 12:16:56.836636  progress   0% (0MB)
   98 12:16:57.376639  progress   5% (9MB)
   99 12:16:57.889401  progress  10% (18MB)
  100 12:16:58.457335  progress  15% (28MB)
  101 12:16:58.841616  progress  20% (37MB)
  102 12:16:59.136825  progress  25% (46MB)
  103 12:16:59.690963  progress  30% (56MB)
  104 12:17:00.246349  progress  35% (65MB)
  105 12:17:00.812455  progress  40% (74MB)
  106 12:17:01.367433  progress  45% (84MB)
  107 12:17:01.925980  progress  50% (93MB)
  108 12:17:02.542175  progress  55% (102MB)
  109 12:17:03.232187  progress  60% (112MB)
  110 12:17:03.361399  progress  65% (121MB)
  111 12:17:03.519334  progress  70% (130MB)
  112 12:17:03.624082  progress  75% (140MB)
  113 12:17:03.697766  progress  80% (149MB)
  114 12:17:03.766844  progress  85% (158MB)
  115 12:17:03.867466  progress  90% (168MB)
  116 12:17:04.152884  progress  95% (177MB)
  117 12:17:04.713484  progress 100% (186MB)
  118 12:17:04.719034  186MB downloaded in 7.89s (23.68MB/s)
  119 12:17:04.719382  end: 1.4.1 http-download (duration 00:00:08) [common]
  121 12:17:04.719793  end: 1.4 download-retry (duration 00:00:08) [common]
  122 12:17:04.719927  start: 1.5 download-retry (timeout 00:09:51) [common]
  123 12:17:04.720059  start: 1.5.1 http-download (timeout 00:09:51) [common]
  124 12:17:04.720220  downloading http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.161-cip23-65-gca8c192cb189/arm/multi_v7_defconfig+kselftest/gcc-10/modules.tar.xz
  125 12:17:04.720331  saving as /var/lib/lava/dispatcher/tmp/8570582/tftp-deploy-m1t52ubc/modules/modules.tar
  126 12:17:04.720430  total size: 7469972 (7MB)
  127 12:17:04.720530  Using unxz to decompress xz
  128 12:17:04.724500  progress   0% (0MB)
  129 12:17:04.741670  progress   5% (0MB)
  130 12:17:04.762372  progress  10% (0MB)
  131 12:17:04.784467  progress  15% (1MB)
  132 12:17:04.805560  progress  20% (1MB)
  133 12:17:04.826183  progress  25% (1MB)
  134 12:17:04.849398  progress  30% (2MB)
  135 12:17:04.869408  progress  35% (2MB)
  136 12:17:04.891369  progress  40% (2MB)
  137 12:17:04.911462  progress  45% (3MB)
  138 12:17:04.931696  progress  50% (3MB)
  139 12:17:04.954436  progress  55% (3MB)
  140 12:17:04.974858  progress  60% (4MB)
  141 12:17:04.998751  progress  65% (4MB)
  142 12:17:05.022201  progress  70% (5MB)
  143 12:17:05.046668  progress  75% (5MB)
  144 12:17:05.069833  progress  80% (5MB)
  145 12:17:05.090812  progress  85% (6MB)
  146 12:17:05.111728  progress  90% (6MB)
  147 12:17:05.131985  progress  95% (6MB)
  148 12:17:05.152096  progress 100% (7MB)
  149 12:17:05.158656  7MB downloaded in 0.44s (16.26MB/s)
  150 12:17:05.158983  end: 1.5.1 http-download (duration 00:00:00) [common]
  152 12:17:05.159259  end: 1.5 download-retry (duration 00:00:00) [common]
  153 12:17:05.159358  start: 1.6 prepare-tftp-overlay (timeout 00:09:51) [common]
  154 12:17:05.159457  start: 1.6.1 extract-nfsrootfs (timeout 00:09:51) [common]
  155 12:17:07.145948  Extracted nfsroot to /var/lib/lava/dispatcher/tmp/8570582/extract-nfsrootfs-y3_lk7vm
  156 12:17:07.146161  end: 1.6.1 extract-nfsrootfs (duration 00:00:02) [common]
  157 12:17:07.146265  start: 1.6.2 lava-overlay (timeout 00:09:49) [common]
  158 12:17:07.146400  [common] Preparing overlay tarball in /var/lib/lava/dispatcher/tmp/8570582/lava-overlay-cmjpeglf
  159 12:17:07.146501  makedir: /var/lib/lava/dispatcher/tmp/8570582/lava-overlay-cmjpeglf/lava-8570582/bin
  160 12:17:07.146621  makedir: /var/lib/lava/dispatcher/tmp/8570582/lava-overlay-cmjpeglf/lava-8570582/tests
  161 12:17:07.146702  makedir: /var/lib/lava/dispatcher/tmp/8570582/lava-overlay-cmjpeglf/lava-8570582/results
  162 12:17:07.146800  Creating /var/lib/lava/dispatcher/tmp/8570582/lava-overlay-cmjpeglf/lava-8570582/bin/lava-add-keys
  163 12:17:07.146931  Creating /var/lib/lava/dispatcher/tmp/8570582/lava-overlay-cmjpeglf/lava-8570582/bin/lava-add-sources
  164 12:17:07.147047  Creating /var/lib/lava/dispatcher/tmp/8570582/lava-overlay-cmjpeglf/lava-8570582/bin/lava-background-process-start
  165 12:17:07.147162  Creating /var/lib/lava/dispatcher/tmp/8570582/lava-overlay-cmjpeglf/lava-8570582/bin/lava-background-process-stop
  166 12:17:07.147274  Creating /var/lib/lava/dispatcher/tmp/8570582/lava-overlay-cmjpeglf/lava-8570582/bin/lava-common-functions
  167 12:17:07.147384  Creating /var/lib/lava/dispatcher/tmp/8570582/lava-overlay-cmjpeglf/lava-8570582/bin/lava-echo-ipv4
  168 12:17:07.147494  Creating /var/lib/lava/dispatcher/tmp/8570582/lava-overlay-cmjpeglf/lava-8570582/bin/lava-install-packages
  169 12:17:07.147603  Creating /var/lib/lava/dispatcher/tmp/8570582/lava-overlay-cmjpeglf/lava-8570582/bin/lava-installed-packages
  170 12:17:07.147711  Creating /var/lib/lava/dispatcher/tmp/8570582/lava-overlay-cmjpeglf/lava-8570582/bin/lava-os-build
  171 12:17:07.147820  Creating /var/lib/lava/dispatcher/tmp/8570582/lava-overlay-cmjpeglf/lava-8570582/bin/lava-probe-channel
  172 12:17:07.147930  Creating /var/lib/lava/dispatcher/tmp/8570582/lava-overlay-cmjpeglf/lava-8570582/bin/lava-probe-ip
  173 12:17:07.148038  Creating /var/lib/lava/dispatcher/tmp/8570582/lava-overlay-cmjpeglf/lava-8570582/bin/lava-target-ip
  174 12:17:07.148145  Creating /var/lib/lava/dispatcher/tmp/8570582/lava-overlay-cmjpeglf/lava-8570582/bin/lava-target-mac
  175 12:17:07.148252  Creating /var/lib/lava/dispatcher/tmp/8570582/lava-overlay-cmjpeglf/lava-8570582/bin/lava-target-storage
  176 12:17:07.148364  Creating /var/lib/lava/dispatcher/tmp/8570582/lava-overlay-cmjpeglf/lava-8570582/bin/lava-test-case
  177 12:17:07.148475  Creating /var/lib/lava/dispatcher/tmp/8570582/lava-overlay-cmjpeglf/lava-8570582/bin/lava-test-event
  178 12:17:07.148586  Creating /var/lib/lava/dispatcher/tmp/8570582/lava-overlay-cmjpeglf/lava-8570582/bin/lava-test-feedback
  179 12:17:07.148902  Creating /var/lib/lava/dispatcher/tmp/8570582/lava-overlay-cmjpeglf/lava-8570582/bin/lava-test-raise
  180 12:17:07.149015  Creating /var/lib/lava/dispatcher/tmp/8570582/lava-overlay-cmjpeglf/lava-8570582/bin/lava-test-reference
  181 12:17:07.149125  Creating /var/lib/lava/dispatcher/tmp/8570582/lava-overlay-cmjpeglf/lava-8570582/bin/lava-test-runner
  182 12:17:07.149236  Creating /var/lib/lava/dispatcher/tmp/8570582/lava-overlay-cmjpeglf/lava-8570582/bin/lava-test-set
  183 12:17:07.149344  Creating /var/lib/lava/dispatcher/tmp/8570582/lava-overlay-cmjpeglf/lava-8570582/bin/lava-test-shell
  184 12:17:07.149454  Updating /var/lib/lava/dispatcher/tmp/8570582/lava-overlay-cmjpeglf/lava-8570582/bin/lava-add-keys (debian)
  185 12:17:07.149567  Updating /var/lib/lava/dispatcher/tmp/8570582/lava-overlay-cmjpeglf/lava-8570582/bin/lava-add-sources (debian)
  186 12:17:07.149679  Updating /var/lib/lava/dispatcher/tmp/8570582/lava-overlay-cmjpeglf/lava-8570582/bin/lava-install-packages (debian)
  187 12:17:07.149791  Updating /var/lib/lava/dispatcher/tmp/8570582/lava-overlay-cmjpeglf/lava-8570582/bin/lava-installed-packages (debian)
  188 12:17:07.149901  Updating /var/lib/lava/dispatcher/tmp/8570582/lava-overlay-cmjpeglf/lava-8570582/bin/lava-os-build (debian)
  189 12:17:07.149998  Creating /var/lib/lava/dispatcher/tmp/8570582/lava-overlay-cmjpeglf/lava-8570582/environment
  190 12:17:07.150082  LAVA metadata
  191 12:17:07.150147  - LAVA_JOB_ID=8570582
  192 12:17:07.150210  - LAVA_DISPATCHER_IP=192.168.201.1
  193 12:17:07.150306  start: 1.6.2.1 ssh-authorize (timeout 00:09:49) [common]
  194 12:17:07.150489  end: 1.6.2.1 ssh-authorize (duration 00:00:00) [common]
  195 12:17:07.150580  start: 1.6.2.2 lava-vland-overlay (timeout 00:09:49) [common]
  196 12:17:07.150646  skipped lava-vland-overlay
  197 12:17:07.150723  end: 1.6.2.2 lava-vland-overlay (duration 00:00:00) [common]
  198 12:17:07.150805  start: 1.6.2.3 lava-multinode-overlay (timeout 00:09:49) [common]
  199 12:17:07.150867  skipped lava-multinode-overlay
  200 12:17:07.150941  end: 1.6.2.3 lava-multinode-overlay (duration 00:00:00) [common]
  201 12:17:07.151022  start: 1.6.2.4 test-definition (timeout 00:09:49) [common]
  202 12:17:07.151093  Loading test definitions
  203 12:17:07.151181  start: 1.6.2.4.1 inline-repo-action (timeout 00:09:49) [common]
  204 12:17:07.151250  Using /lava-8570582 at stage 0
  205 12:17:07.151473  uuid=8570582_1.6.2.4.1 testdef=None
  206 12:17:07.151561  end: 1.6.2.4.1 inline-repo-action (duration 00:00:00) [common]
  207 12:17:07.151647  start: 1.6.2.4.2 test-overlay (timeout 00:09:49) [common]
  208 12:17:07.152062  end: 1.6.2.4.2 test-overlay (duration 00:00:00) [common]
  210 12:17:07.152293  start: 1.6.2.4.3 test-install-overlay (timeout 00:09:49) [common]
  211 12:17:07.152791  end: 1.6.2.4.3 test-install-overlay (duration 00:00:00) [common]
  213 12:17:07.153029  start: 1.6.2.4.4 test-runscript-overlay (timeout 00:09:49) [common]
  214 12:17:07.153493  runner path: /var/lib/lava/dispatcher/tmp/8570582/lava-overlay-cmjpeglf/lava-8570582/0/tests/0_timesync-off test_uuid 8570582_1.6.2.4.1
  215 12:17:07.153641  end: 1.6.2.4.4 test-runscript-overlay (duration 00:00:00) [common]
  217 12:17:07.153873  start: 1.6.2.4.5 git-repo-action (timeout 00:09:49) [common]
  218 12:17:07.153947  Using /lava-8570582 at stage 0
  219 12:17:07.154043  Fetching tests from https://github.com/kernelci/test-definitions.git
  220 12:17:07.154123  Running '/usr/bin/git clone https://github.com/kernelci/test-definitions.git /var/lib/lava/dispatcher/tmp/8570582/lava-overlay-cmjpeglf/lava-8570582/0/tests/1_kselftest-lkdtm'
  221 12:17:13.606379  Running '/usr/bin/git checkout kernelci.org
  222 12:17:13.740322  Tests stored (tmp) in /var/lib/lava/dispatcher/tmp/8570582/lava-overlay-cmjpeglf/lava-8570582/0/tests/1_kselftest-lkdtm/automated/linux/kselftest/kselftest.yaml
  223 12:17:13.741096  uuid=8570582_1.6.2.4.5 testdef=None
  224 12:17:13.741255  end: 1.6.2.4.5 git-repo-action (duration 00:00:07) [common]
  226 12:17:13.741509  start: 1.6.2.4.6 test-overlay (timeout 00:09:42) [common]
  227 12:17:13.742214  end: 1.6.2.4.6 test-overlay (duration 00:00:00) [common]
  229 12:17:13.742449  start: 1.6.2.4.7 test-install-overlay (timeout 00:09:42) [common]
  230 12:17:13.743406  end: 1.6.2.4.7 test-install-overlay (duration 00:00:00) [common]
  232 12:17:13.743649  start: 1.6.2.4.8 test-runscript-overlay (timeout 00:09:42) [common]
  233 12:17:13.744502  runner path: /var/lib/lava/dispatcher/tmp/8570582/lava-overlay-cmjpeglf/lava-8570582/0/tests/1_kselftest-lkdtm test_uuid 8570582_1.6.2.4.5
  234 12:17:13.744593  BOARD='imx6q-sabrelite'
  235 12:17:13.744685  BRANCH='cip-gitlab'
  236 12:17:13.744776  SKIPFILE='skipfile-lkft.yaml'
  237 12:17:13.744835  TESTPROG_URL='http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.161-cip23-65-gca8c192cb189/arm/multi_v7_defconfig+kselftest/gcc-10/kselftest.tar.xz'
  238 12:17:13.744899  TST_CASENAME=''
  239 12:17:13.744956  TST_CMDFILES='lkdtm'
  240 12:17:13.745087  end: 1.6.2.4.8 test-runscript-overlay (duration 00:00:00) [common]
  242 12:17:13.745297  Creating lava-test-runner.conf files
  243 12:17:13.745361  Using lava-test-runner path: /var/lib/lava/dispatcher/tmp/8570582/lava-overlay-cmjpeglf/lava-8570582/0 for stage 0
  244 12:17:13.745446  - 0_timesync-off
  245 12:17:13.745511  - 1_kselftest-lkdtm
  246 12:17:13.745600  end: 1.6.2.4 test-definition (duration 00:00:07) [common]
  247 12:17:13.745685  start: 1.6.2.5 compress-overlay (timeout 00:09:42) [common]
  248 12:17:21.009888  end: 1.6.2.5 compress-overlay (duration 00:00:07) [common]
  249 12:17:21.010049  start: 1.6.2.6 persistent-nfs-overlay (timeout 00:09:35) [common]
  250 12:17:21.010142  end: 1.6.2.6 persistent-nfs-overlay (duration 00:00:00) [common]
  251 12:17:21.010241  end: 1.6.2 lava-overlay (duration 00:00:14) [common]
  252 12:17:21.010332  start: 1.6.3 extract-overlay-ramdisk (timeout 00:09:35) [common]
  253 12:17:21.073368  end: 1.6.3 extract-overlay-ramdisk (duration 00:00:00) [common]
  254 12:17:21.073714  start: 1.6.4 extract-modules (timeout 00:09:35) [common]
  255 12:17:21.073820  extracting modules file /var/lib/lava/dispatcher/tmp/8570582/tftp-deploy-m1t52ubc/modules/modules.tar to /var/lib/lava/dispatcher/tmp/8570582/extract-nfsrootfs-y3_lk7vm
  256 12:17:21.168168  extracting modules file /var/lib/lava/dispatcher/tmp/8570582/tftp-deploy-m1t52ubc/modules/modules.tar to /var/lib/lava/dispatcher/tmp/8570582/extract-overlay-ramdisk-mwe6z_we/ramdisk
  257 12:17:21.262441  end: 1.6.4 extract-modules (duration 00:00:00) [common]
  258 12:17:21.262605  start: 1.6.5 apply-overlay-tftp (timeout 00:09:35) [common]
  259 12:17:21.262698  [common] Applying overlay to NFS
  260 12:17:21.262770  [common] Applying overlay /var/lib/lava/dispatcher/tmp/8570582/compress-overlay-vtgkg4xc/overlay-1.6.2.5.tar.gz to directory /var/lib/lava/dispatcher/tmp/8570582/extract-nfsrootfs-y3_lk7vm
  261 12:17:21.707505  end: 1.6.5 apply-overlay-tftp (duration 00:00:00) [common]
  262 12:17:21.707670  start: 1.6.6 prepare-kernel (timeout 00:09:34) [common]
  263 12:17:21.707768  start: 1.6.6.1 uboot-prepare-kernel (timeout 00:09:34) [common]
  264 12:17:21.707868  end: 1.6.6.1 uboot-prepare-kernel (duration 00:00:00) [common]
  265 12:17:21.707953  end: 1.6.6 prepare-kernel (duration 00:00:00) [common]
  266 12:17:21.708039  start: 1.6.7 configure-preseed-file (timeout 00:09:34) [common]
  267 12:17:21.708121  end: 1.6.7 configure-preseed-file (duration 00:00:00) [common]
  268 12:17:21.708206  start: 1.6.8 compress-ramdisk (timeout 00:09:34) [common]
  269 12:17:21.708281  Building ramdisk /var/lib/lava/dispatcher/tmp/8570582/extract-overlay-ramdisk-mwe6z_we/ramdisk.cpio containing /var/lib/lava/dispatcher/tmp/8570582/extract-overlay-ramdisk-mwe6z_we/ramdisk
  270 12:17:21.814655  >> 80750 blocks

  271 12:17:23.251630  Adding RAMdisk u-boot header.
  272 12:17:23.251982  mkimage -A arm -T ramdisk -C none -d /var/lib/lava/dispatcher/tmp/8570582/extract-overlay-ramdisk-mwe6z_we/ramdisk.cpio.gz /var/lib/lava/dispatcher/tmp/8570582/extract-overlay-ramdisk-mwe6z_we/ramdisk.cpio.gz.uboot
  273 12:17:23.283279  output: Image Name:   
  274 12:17:23.283618  output: Created:      Wed Jan  4 12:17:23 2023
  275 12:17:23.283695  output: Image Type:   ARM Linux RAMDisk Image (uncompressed)
  276 12:17:23.283803  output: Data Size:    15432193 Bytes = 15070.50 KiB = 14.72 MiB
  277 12:17:23.283892  output: Load Address: 00000000
  278 12:17:23.283967  output: Entry Point:  00000000
  279 12:17:23.284053  output: 
  280 12:17:23.284184  rename /var/lib/lava/dispatcher/tmp/8570582/extract-overlay-ramdisk-mwe6z_we/ramdisk.cpio.gz.uboot to /var/lib/lava/dispatcher/tmp/8570582/tftp-deploy-m1t52ubc/ramdisk/ramdisk.cpio.gz.uboot
  281 12:17:23.284376  end: 1.6.8 compress-ramdisk (duration 00:00:02) [common]
  282 12:17:23.284492  end: 1.6 prepare-tftp-overlay (duration 00:00:18) [common]
  283 12:17:23.284610  start: 1.7 lxc-create-udev-rule-action (timeout 00:09:33) [common]
  284 12:17:23.284725  No LXC device requested
  285 12:17:23.284852  end: 1.7 lxc-create-udev-rule-action (duration 00:00:00) [common]
  286 12:17:23.284966  start: 1.8 deploy-device-env (timeout 00:09:33) [common]
  287 12:17:23.285077  end: 1.8 deploy-device-env (duration 00:00:00) [common]
  288 12:17:23.285175  Checking files for TFTP limit of 4294967296 bytes.
  289 12:17:23.285655  end: 1 tftp-deploy (duration 00:00:27) [common]
  290 12:17:23.285763  start: 2 uboot-action (timeout 00:05:00) [common]
  291 12:17:23.285868  start: 2.1 uboot-from-media (timeout 00:05:00) [common]
  292 12:17:23.285952  end: 2.1 uboot-from-media (duration 00:00:00) [common]
  293 12:17:23.286044  start: 2.2 bootloader-overlay (timeout 00:05:00) [common]
  294 12:17:23.286204  substitutions:
  295 12:17:23.286276  - {BOOTX}: bootz 0x10000000 0x14000000 0x13f00000
  296 12:17:23.286340  - {DTB_ADDR}: 0x13f00000
  297 12:17:23.286400  - {DTB}: 8570582/tftp-deploy-m1t52ubc/dtb/imx6q-sabrelite.dtb
  298 12:17:23.286458  - {INITRD}: 8570582/tftp-deploy-m1t52ubc/ramdisk/ramdisk.cpio.gz.uboot
  299 12:17:23.286516  - {KERNEL_ADDR}: 0x10000000
  300 12:17:23.286572  - {KERNEL}: 8570582/tftp-deploy-m1t52ubc/kernel/zImage
  301 12:17:23.286628  - {LAVA_MAC}: None
  302 12:17:23.286683  - {NFSROOTFS}: /var/lib/lava/dispatcher/tmp/8570582/extract-nfsrootfs-y3_lk7vm
  303 12:17:23.286738  - {NFS_SERVER_IP}: 192.168.201.1
  304 12:17:23.286793  - {PRESEED_CONFIG}: None
  305 12:17:23.286848  - {PRESEED_LOCAL}: None
  306 12:17:23.286902  - {RAMDISK_ADDR}: 0x14000000
  307 12:17:23.286956  - {RAMDISK}: 8570582/tftp-deploy-m1t52ubc/ramdisk/ramdisk.cpio.gz.uboot
  308 12:17:23.287010  - {ROOT_PART}: None
  309 12:17:23.287064  - {ROOT}: None
  310 12:17:23.287118  - {SERVER_IP}: 192.168.201.1
  311 12:17:23.287172  - {TEE_ADDR}: 0x83000000
  312 12:17:23.287225  - {TEE}: None
  313 12:17:23.287279  Parsed boot commands:
  314 12:17:23.287332  - setenv autoload no
  315 12:17:23.287388  - setenv initrd_high 0xffffffff
  316 12:17:23.287442  - setenv fdt_high 0xffffffff
  317 12:17:23.287496  - dhcp
  318 12:17:23.287550  - setenv serverip 192.168.201.1
  319 12:17:23.287603  - tftp 0x10000000 8570582/tftp-deploy-m1t52ubc/kernel/zImage
  320 12:17:23.287657  - tftp 0x14000000 8570582/tftp-deploy-m1t52ubc/ramdisk/ramdisk.cpio.gz.uboot
  321 12:17:23.287712  - setenv initrd_size ${filesize}
  322 12:17:23.287766  - tftp 0x13f00000 8570582/tftp-deploy-m1t52ubc/dtb/imx6q-sabrelite.dtb
  323 12:17:23.287820  - setenv bootargs 'console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/8570582/extract-nfsrootfs-y3_lk7vm,tcp,hard  ip=dhcp'
  324 12:17:23.287876  - bootz 0x10000000 0x14000000 0x13f00000
  325 12:17:23.287949  end: 2.2 bootloader-overlay (duration 00:00:00) [common]
  327 12:17:23.288170  start: 2.3 connect-device (timeout 00:05:00) [common]
  328 12:17:23.288244  [common] connect-device Connecting to device using '/usr/bin/console -f -M localhost imx6q-sabrelite-lava-cbg-4'
  329 12:17:23.290847  Setting prompt string to ['lava-test: # ']
  330 12:17:23.291127  end: 2.3 connect-device (duration 00:00:00) [common]
  331 12:17:23.291235  start: 2.4 uboot-commands (timeout 00:05:00) [common]
  332 12:17:23.291332  start: 2.4.1 reset-device (timeout 00:05:00) [common]
  333 12:17:23.291445  start: 2.4.1.1 pdu-reboot (timeout 00:05:00) [common]
  334 12:17:23.291618  Calling: 'nice' 'pduclient' '--daemon=localhost' '--hostname=eth8020-0' '--port=2' '--command=reboot'
  335 12:17:23.309885  >> Command sent successfully.

  336 12:17:23.311662  Returned 0 in 0 seconds
  337 12:17:23.413045  end: 2.4.1.1 pdu-reboot (duration 00:00:00) [common]
  339 12:17:23.414349  end: 2.4.1 reset-device (duration 00:00:00) [common]
  340 12:17:23.414820  start: 2.4.2 bootloader-interrupt (timeout 00:05:00) [common]
  341 12:17:23.415233  Setting prompt string to ['Hit any key to stop autoboot']
  342 12:17:23.415574  bootloader-interrupt: Wait for prompt ['Hit any key to stop autoboot'] (timeout 00:05:00)
  343 12:17:23.416700  [Enter `^Ec?' for help]
  344 12:17:31.012347  
  345 12:17:31.012946  
  346 12:17:31.038302  U-Boot 2021.10+dfsg-1+apertis10bv2023dev2b2 (Apr 18 2022 - 16:34:49 +0000)
  347 12:17:31.038848  
  348 12:17:31.039195  CPU:   Freescale i.MX6Q rev1.2 at 792 MHz
  349 12:17:31.039516  Reset cause: POR
  350 12:17:31.039823  Model: Freescale i.MX6 Quad SABRE Lite Board
  351 12:17:31.040123  Board: SABRE Lite
  352 12:17:31.040418  I2C:   ready
  353 12:17:31.040735  DRAM:  1 GiB
  354 12:17:31.114189  MMC:   FSL_SDHC: 0, FSL_SDHC: 1
  355 12:17:31.114728  Loading Environment from SPIFlash... SF: Detected gd25q16 with page size 256 Bytes, erase size 4 KiB, total 2 MiB
  356 12:17:31.115082  *** Warning - bad CRC, using default environment
  357 12:17:31.115419  
  358 12:17:31.115732  In:    serial
  359 12:17:31.116036  Out:   serial
  360 12:17:31.116334  Err:   serial
  361 12:17:31.146053  Net:   using phy at 7
  362 12:17:31.146597  FEC [PRIME], usb_ether
  363 12:17:31.146943  Error: usb_ether address not set.
  364 12:17:31.147264  
  365 12:17:31.147573  starting USB...
  366 12:17:31.147874  Bus usb@2184000: usb dr_mode not found
  367 12:17:31.194015  Bus usb@2184200: USB EHCI 1.00
  368 12:17:34.241550  scanning bus usb@2184000 for devices... 1 USB Device(s) found
  369 12:17:39.384190  scanning bus usb@2184200 for devices... 2 USB Device(s) found
  370 12:17:39.384715         scanning usb for storage devices... 0 Storage Device(s) found
  371 12:17:39.385031         scanning usb for ethernet devices... 0 Ethernet Device(s) found
  372 12:17:41.029563  Couldn't find partition mmc 0:1
  373 12:17:41.030067  Error selecting device
  374 12:17:41.061520  File System is consistent
  375 12:17:41.077333  file found, deleting
  376 12:17:41.316780  File System is consistent
  378 12:17:41.495451  Hit any key to stop autoboot:  3 
  379 12:17:41.495987  end: 2.4.2 bootloader-interrupt (duration 00:00:18) [common]
  380 12:17:41.496419  start: 2.4.3 bootloader-commands (timeout 00:04:42) [common]
  381 12:17:41.496783  Setting prompt string to ['=>']
  382 12:17:41.497119  bootloader-commands: Wait for prompt ['=>'] (timeout 00:04:42)
  383 12:17:41.508316   0 
  384 12:17:41.509099  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']
  385 12:17:41.509465  Sending with 10 millisecond of delay
  387 12:17:42.651536  => setenv autoload no
  388 12:17:42.662499  bootloader-commands: Wait for prompt ['=>', 'Resetting CPU', 'Must RESET board to recover', 'TIMEOUT', 'Retry count exceeded', 'Retry time exceeded; starting again', 'ERROR: The remote end did not respond in time.', 'File not found', 'Bad Linux ARM64 Image magic!', 'Wrong Ramdisk Image Format', 'Ramdisk image is corrupt or invalid', 'ERROR: Failed to allocate', 'TFTP error: trying to overwrite reserved memory', 'Bad Linux RISCV Image magic!', 'Wrong Image Format for boot', 'ERROR: Did not find a cmdline Flattened Device Tree', 'ERROR: RD image overlaps OS image'] (timeout 00:04:41)
  389 12:17:42.666310  setenv autoload no
  390 12:17:42.666566  Sending with 10 millisecond of delay
  392 12:17:44.477516  => setenv initrd_high 0xffffffff
  393 12:17:44.488438  bootloader-commands: Wait for prompt ['=>', 'Resetting CPU', 'Must RESET board to recover', 'TIMEOUT', 'Retry count exceeded', 'Retry time exceeded; starting again', 'ERROR: The remote end did not respond in time.', 'File not found', 'Bad Linux ARM64 Image magic!', 'Wrong Ramdisk Image Format', 'Ramdisk image is corrupt or invalid', 'ERROR: Failed to allocate', 'TFTP error: trying to overwrite reserved memory', 'Bad Linux RISCV Image magic!', 'Wrong Image Format for boot', 'ERROR: Did not find a cmdline Flattened Device Tree', 'ERROR: RD image overlaps OS image'] (timeout 00:04:39)
  394 12:17:44.495307  setenv initrd_high 0xffffffff
  395 12:17:44.496096  Sending with 10 millisecond of delay
  397 12:17:46.121118  => setenv fdt_high 0xffffffff
  398 12:17:46.132154  bootloader-commands: Wait for prompt ['=>', 'Resetting CPU', 'Must RESET board to recover', 'TIMEOUT', 'Retry count exceeded', 'Retry time exceeded; starting again', 'ERROR: The remote end did not respond in time.', 'File not found', 'Bad Linux ARM64 Image magic!', 'Wrong Ramdisk Image Format', 'Ramdisk image is corrupt or invalid', 'ERROR: Failed to allocate', 'TFTP error: trying to overwrite reserved memory', 'Bad Linux RISCV Image magic!', 'Wrong Image Format for boot', 'ERROR: Did not find a cmdline Flattened Device Tree', 'ERROR: RD image overlaps OS image'] (timeout 00:04:37)
  399 12:17:46.133115  setenv fdt_high 0xffffffff
  400 12:17:46.133757  Sending with 10 millisecond of delay
  402 12:17:46.428269  => dhcp
  403 12:17:46.439341  bootloader-commands: Wait for prompt ['=>', 'Resetting CPU', 'Must RESET board to recover', 'TIMEOUT', 'Retry count exceeded', 'Retry time exceeded; starting again', 'ERROR: The remote end did not respond in time.', 'File not found', 'Bad Linux ARM64 Image magic!', 'Wrong Ramdisk Image Format', 'Ramdisk image is corrupt or invalid', 'ERROR: Failed to allocate', 'TFTP error: trying to overwrite reserved memory', 'Bad Linux RISCV Image magic!', 'Wrong Image Format for boot', 'ERROR: Did not find a cmdline Flattened Device Tree', 'ERROR: RD image overlaps OS image'] (timeout 00:04:37)
  404 12:17:46.443874  dhcp
  405 12:17:46.553596  BOOTP broadcast 1
  406 12:17:46.554185  DHCP client bound to address 192.168.201.34 (3 ms)
  407 12:17:46.554815  Sending with 10 millisecond of delay
  409 12:17:48.367144  => setenv serverip 192.168.201.1
  410 12:17:48.377410  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 00:04:35)
  411 12:17:48.377614  setenv serverip 192.168.201.1
  412 12:17:48.377856  Sending with 10 millisecond of delay
  414 12:17:51.941323  => tftp 0x10000000 8570582/tftp-deploy-m1t52ubc/kernel/zImage
  415 12:17:51.951549  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 00:04:31)
  416 12:17:51.951719  tftp 0x10000000 8570582/tftp-deploy-m1t52ubc/kernel/zImage
  417 12:17:52.047709  Using FEC device
  418 12:17:52.074233  TFTP from server 192.168.201.1; our IP address is 192.168.201.34
  419 12:17:52.074407  Filename '8570582/tftp-deploy-m1t52ubc/kernel/zImage'.
  420 12:17:52.074482  Load address: 0x10000000
  421 12:17:52.153983  Loading: *#################################################################
  422 12:17:52.217763  	 #################################################################
  423 12:17:52.297707  	 #################################################################
  424 12:17:52.377556  	 #################################################################
  425 12:17:52.441446  	 #################################################################
  426 12:17:52.521334  	 #################################################################
  427 12:17:52.601115  	 #################################################################
  428 12:17:52.664975  	 #################################################################
  429 12:17:52.744851  	 #################################################################
  430 12:17:52.824759  	 #################################################################
  431 12:17:52.888650  	 #################################################################
  432 12:17:52.968506  	 #################################################################
  433 12:17:53.055999  	 ##############################################################
  434 12:17:53.056543  	 12.1 MiB/s
  435 12:17:53.056939  done
  436 12:17:53.057274  Bytes transferred = 12349952 (bc7200 hex)
  437 12:17:53.057885  Sending with 10 millisecond of delay
  439 12:17:57.589935  => tftp 0x14000000 8570582/tftp-deploy-m1t52ubc/ramdisk/ramdisk.cpio.gz.uboot
  440 12:17:57.600748  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 00:04:26)
  441 12:17:57.608107  tftp 0x14000000 8570582/tftp-deploy-m1t52ubc/ramdisk/ramdisk.cpio.gz.uboot
  442 12:17:57.724132  Using FEC device
  443 12:17:57.724294  TFTP from server 192.168.201.1; our IP address is 192.168.201.34
  444 12:17:57.724361  Filename '8570582/tftp-deploy-m1t52ubc/ramdisk/ramdisk.cpio.gz.uboot'.
  445 12:17:57.724425  Load address: 0x14000000
  446 12:17:57.803912  Loading: *#################################################################
  447 12:17:57.883755  	 #################################################################
  448 12:17:57.963598  	 #################################################################
  449 12:17:58.027466  	 #################################################################
  450 12:17:58.107272  	 #################################################################
  451 12:17:58.187184  	 #################################################################
  452 12:17:58.267037  	 #################################################################
  453 12:17:58.346870  	 #################################################################
  454 12:17:58.410739  	 #################################################################
  455 12:17:58.490575  	 #################################################################
  456 12:17:58.570488  	 #################################################################
  457 12:17:58.650367  	 #################################################################
  458 12:17:58.714265  	 #################################################################
  459 12:17:58.794078  	 #################################################################
  460 12:17:58.873958  	 #################################################################
  461 12:17:58.953963  	 #################################################################
  462 12:17:58.954063  	 ############
  463 12:17:58.954143  	 11.8 MiB/s
  464 12:17:58.954233  done
  465 12:17:58.970623  Bytes transferred = 15432257 (eb7a41 hex)
  466 12:17:58.971460  Sending with 10 millisecond of delay
  468 12:18:00.840315  => setenv initrd_size ${filesize}
  469 12:18:00.851366  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 00:04:22)
  470 12:18:00.855080  setenv initrd_size ${filesize}
  471 12:18:00.855935  Sending with 10 millisecond of delay
  473 12:18:05.042638  => tftp 0x13f00000 8570582/tftp-deploy-m1t52ubc/dtb/imx6q-sabrelite.dtb
  474 12:18:05.053527  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 00:04:18)
  475 12:18:05.055188  tftp 0x13f00000 8570582/tftp-deploy-m1t52ubc/dtb/imx6q-sabrelite.dtb
  476 12:18:05.192245  Using FEC device
  477 12:18:05.192783  TFTP from server 192.168.201.1; our IP address is 192.168.201.34
  478 12:18:05.193154  Filename '8570582/tftp-deploy-m1t52ubc/dtb/imx6q-sabrelite.dtb'.
  479 12:18:05.193485  Load address: 0x13f00000
  480 12:18:05.193798  Loading: *###
  481 12:18:05.194102  	 4.5 MiB/s
  482 12:18:05.194395  done
  483 12:18:05.194688  Bytes transferred = 42449 (a5d1 hex)
  484 12:18:05.195250  Sending with 10 millisecond of delay
  486 12:18:15.136878  => setenv bootargs 'console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/8570582/extract-nfsrootfs-y3_lk7vm,tcp,hard  ip=dhcp'
  487 12:18:15.147813  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 00:04:08)
  488 12:18:15.148749  setenv bootargs 'console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/8570582/extract-nfsrootfs-y3_lk7vm,tcp,hard  ip=dhcp'
  489 12:18:15.149404  Sending with 10 millisecond of delay
  491 12:18:17.510813  => bootz 0x10000000 0x14000000 0x13f00000
  492 12:18:17.521682  Setting prompt string to 'Starting kernel'
  493 12:18:17.522245  Setting prompt string to ['Starting kernel']
  494 12:18:17.522613  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 12:18:17.522992  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 00:04:06)
  496 12:18:17.555360  bootz 0x10000000 0x14000000 0x13f00000
  497 12:18:17.555887  Kernel image @ 0x10000000 [ 0x000000 - 0xbc7200 ]
  498 12:18:17.556231  ## Loading init Ramdisk from Legacy Image at 14000000 ...
  499 12:18:17.556546     Image Name:   
  500 12:18:17.556882     Image Type:   ARM Linux RAMDisk Image (uncompressed)
  501 12:18:17.557185     Data Size:    15432193 Bytes = 14.7 MiB
  502 12:18:17.557477     Load Address: 00000000
  503 12:18:17.557763     Entry Point:  00000000
  504 12:18:17.744262     Verifying Checksum ... OK
  505 12:18:17.744833  ## Flattened Device Tree blob at 13f00000
  506 12:18:17.745188     Booting using the fdt blob at 0x13f00000
  507 12:18:17.745514     Using Device Tree in place at 13f00000, end 13f0d5d0
  508 12:18:17.745826  
  509 12:18:17.746132  Starting kernel ...
  510 12:18:17.746429  
  511 12:18:17.747159  end: 2.4.3 bootloader-commands (duration 00:00:36) [common]
  512 12:18:17.747632  start: 2.4.4 auto-login-action (timeout 00:04:06) [common]
  513 12:18:17.747993  Setting prompt string to ['Linux version [0-9]']
  514 12:18:17.748353  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 12:18:17.748742  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 12:18:26.301204  [    0.000000] Booting Linux on physical CPU 0x0
  517 12:18:26.301755  [    0.000000] Linux version 5.10.162-cip23 (KernelCI@build-j782913-arm-gcc-10-multi-v7-defconfig-kselftest-4mvsz) (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 Jan 4 11:56:45 UTC 2023
  518 12:18:26.302127  [    0.000000] CPU: ARMv7 Processor [412fc09a] revision 10 (ARMv7), cr=10c5387d
  519 12:18:26.302458  [    0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache
  520 12:18:26.303216  start: 2.4.4.1 login-action (timeout 00:03:57) [common]
  521 12:18:26.303639  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 12:18:26.304042  Setting prompt string to ['-\\[ cut here \\]', 'Unhandled fault', 'BUG: KCSAN:', 'BUG: KASAN:', 'BUG: KFENCE:', 'Oops(?: -|:)', 'WARNING:', '(kernel BUG at|BUG:)', 'invalid opcode:', 'Kernel panic - not syncing']
  523 12:18:26.304414  Using line separator: #'\n'#
  524 12:18:26.304766  No login prompt set.
  525 12:18:26.305115  Parsing kernel messages
  526 12:18:26.305416  ['-\\[ cut here \\]', 'Unhandled fault', 'BUG: KCSAN:', 'BUG: KASAN:', 'BUG: KFENCE:', 'Oops(?: -|:)', 'WARNING:', '(kernel BUG at|BUG:)', 'invalid opcode:', 'Kernel panic - not syncing', '/ #', 'Login timed out', 'Login incorrect']
  527 12:18:26.305954  [login-action] Waiting for messages, (timeout 00:03:57)
  528 12:18:26.344545  [    0.000000] OF: fdt: Machine model: Freescale i.MX6 Quad SABRE Lite Board
  529 12:18:26.344783  [    0.000000] Memory policy: Data cache writealloc
  530 12:18:26.344905  [    0.000000] efi: UEFI not found.
  531 12:18:26.345012  [    0.000000] OF: fdt: Reserved memory: unsupported node format, ignoring
  532 12:18:26.345114  [    0.000000] cma: Reserved 64 MiB at 0x4c000000
  533 12:18:26.345215  [    0.000000] Zone ranges:
  534 12:18:26.345312  [    0.000000]   DMA      [mem 0x0000000010000000-0x000000003fffffff]
  535 12:18:26.345404  [    0.000000]   Normal   empty
  536 12:18:26.345496  [    0.000000]   HighMem  [mem 0x0000000040000000-0x000000004fffffff]
  537 12:18:26.345586  [    0.000000] Movable zone start for each node
  538 12:18:26.388227  [    0.000000] Early memory node ranges
  539 12:18:26.388798  [    0.000000]   node   0: [mem 0x0000000010000000-0x000000004fffffff]
  540 12:18:26.389153  [    0.000000] Initmem setup node 0 [mem 0x0000000010000000-0x000000004fffffff]
  541 12:18:26.389480  [    0.000000] percpu: Embedded 21 pages/cpu s55468 r8192 d22356 u86016
  542 12:18:26.389795  [    0.000000] Built 1 zonelists, mobility grouping on.  Total pages: 260608
  543 12:18:26.431569  [    0.000000] Kernel command line: console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/8570582/extract-nfsrootfs-y3_lk7vm,tcp,hard  ip=dhcp
  544 12:18:26.432139  [    0.000000] Dentry cache hash table entries: 131072 (order: 7, 524288 bytes, linear)
  545 12:18:26.432494  [    0.000000] Inode-cache hash table entries: 65536 (order: 6, 262144 bytes, linear)
  546 12:18:26.432863  [    0.000000] mem auto-init: stack:off, heap alloc:off, heap free:off
  547 12:18:26.433181  [    0.000000] Memory: 921452K/1048576K available (17408K kernel code, 2651K rwdata, 8100K rodata, 2048K init, 6692K bss, 61588K reserved, 65536K cma-reserved, 196608K highmem)
  548 12:18:26.474852  [    0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1
  549 12:18:26.475369  [    0.000000] ftrace: allocating 55473 entries in 163 pages
  550 12:18:26.475691  [    0.000000] ftrace: allocated 163 pages with 4 groups
  551 12:18:26.475993  [    0.000000] Running RCU self tests
  552 12:18:26.476280  [    0.000000] rcu: Hierarchical RCU implementation.
  553 12:18:26.476560  [    0.000000] rcu: 	RCU event tracing is enabled.
  554 12:18:26.476862  [    0.000000] rcu: 	RCU lockdep checking is enabled.
  555 12:18:26.477134  [    0.000000] rcu: 	RCU restricting CPUs from NR_CPUS=16 to nr_cpu_ids=4.
  556 12:18:26.477404  [    0.000000] 	Rude variant of Tasks RCU enabled.
  557 12:18:26.518771  [    0.000000] 	Tracing variant of Tasks RCU enabled.
  558 12:18:26.519319  [    0.000000] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies.
  559 12:18:26.519675  [    0.000000] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4
  560 12:18:26.520023  [    0.000000] NR_IRQS: 16, nr_irqs: 16, preallocated irqs: 16
  561 12:18:26.520344  [    0.000000] L2C-310 errata 752271 769419 enabled
  562 12:18:26.520653  [    0.000000] L2C-310 enabling early BRESP for Cortex-A9
  563 12:18:26.520988  [    0.000000] L2C-310 full line of zeros enabled for Cortex-A9
  564 12:18:26.562421  [    0.000000] L2C-310 ID prefetch enabled, offset 16 lines
  565 12:18:26.562968  [    0.000000] L2C-310 dynamic clock gating enabled, standby mode enabled
  566 12:18:26.563322  [    0.000000] L2C-310 cache controller enabled, 16 ways, 1024 kB
  567 12:18:26.563652  [    0.000000] L2C-310: CACHE_ID 0x410000c7, AUX_CTRL 0x76470001
  568 12:18:26.563962  [    0.000000] Switching to timer-based delay loop, resolution 333ns
  569 12:18:26.564266  [    0.000009] sched_clock: 32 bits at 3000kHz, resolution 333ns, wraps every 715827882841ns
  570 12:18:26.564567  [    0.000042] clocksource: mxc_timer1: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 637086815595 ns
  571 12:18:26.605744  [    0.004620] Console: colour dummy device 80x30
  572 12:18:26.606290  [    0.004685] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar
  573 12:18:26.606647  [    0.004713] ... MAX_LOCKDEP_SUBCLASSES:  8
  574 12:18:26.606972  [    0.004739] ... MAX_LOCK_DEPTH:          48
  575 12:18:26.607281  [    0.004765] ... MAX_LOCKDEP_KEYS:        8192
  576 12:18:26.607585  [    0.004790] ... CLASSHASH_SIZE:          4096
  577 12:18:26.607881  [    0.004815] ... MAX_LOCKDEP_ENTRIES:     32768
  578 12:18:26.608176  [    0.004840] ... MAX_LOCKDEP_CHAINS:      65536
  579 12:18:26.608468  [    0.004866] ... CHAINHASH_SIZE:          32768
  580 12:18:26.649143  [    0.004890]  memory used by lock dependency info: 4061 kB
  581 12:18:26.649684  [    0.004915]  memory used for stack traces: 2112 kB
  582 12:18:26.650033  [    0.004941]  per task-struct memory footprint: 1536 bytes
  583 12:18:26.650357  [    0.005044] Calibrating delay loop (skipped), value calculated using timer frequency.. 6.00 BogoMIPS (lpj=30000)
  584 12:18:26.650677  [    0.005094] pid_max: default: 32768 minimum: 301
  585 12:18:26.650982  [    0.005477] LSM: Security Framework initializing
  586 12:18:26.651280  [    0.005589] LSM support for eBPF active
  587 12:18:26.693114  [    0.005733] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes, linear)
  588 12:18:26.693658  [    0.005783] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes, linear)
  589 12:18:26.694009  [    0.008417] CPU: Testing write buffer coherency: ok
  590 12:18:26.694332  [    0.008546] CPU0: Spectre v2: using BPIALL workaround
  591 12:18:26.694642  [    0.009660] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000
  592 12:18:26.694945  [    0.013578] Setting up static identity map for 0x10300000 - 0x103000ac
  593 12:18:26.695248  [    0.016003] rcu: Hierarchical SRCU implementation.
  594 12:18:26.695539  [    0.025577] EFI services will not be available.
  595 12:18:26.736620  [    0.026893] smp: Bringing up secondary CPUs ...
  596 12:18:26.737201  [    0.030247] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001
  597 12:18:26.737552  [    0.030263] CPU1: Spectre v2: using BPIALL workaround
  598 12:18:26.737877  [    0.034319] CPU2: thread -1, cpu 2, socket 0, mpidr 80000002
  599 12:18:26.738191  [    0.034334] CPU2: Spectre v2: using BPIALL workaround
  600 12:18:26.738492  [    0.037987] CPU3: thread -1, cpu 3, socket 0, mpidr 80000003
  601 12:18:26.738789  [    0.038002] CPU3: Spectre v2: using BPIALL workaround
  602 12:18:26.739078  [    0.038998] smp: Brought up 1 node, 4 CPUs
  603 12:18:26.780241  [    0.039044] SMP: Total of 4 processors activated (24.00 BogoMIPS).
  604 12:18:26.780817  [    0.039079] CPU: All CPU(s) started in SVC mode.
  605 12:18:26.781172  [    0.041889] devtmpfs: initialized
  606 12:18:26.781493  [    0.100602] VFP support v0.3: implementor 41 architecture 3 part 30 variant 9 rev 4
  607 12:18:26.781811  [    0.103329] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
  608 12:18:26.782118  [    0.103401] futex hash table entries: 1024 (order: 4, 65536 bytes, linear)
  609 12:18:26.782417  [    0.108220] pinctrl core: initialized pinctrl subsystem
  610 12:18:26.782709  [    0.115339] DMI not present or invalid.
  611 12:18:26.823726  
  612 12:18:26.824266  [    0.117731] NET: Registered protocol family 16
  613 12:18:26.824618  [    0.129480] DMA: preallocated 256 KiB pool for atomic coherent allocations
  614 12:18:26.824982  [    0.139128] thermal_sys: Registered thermal governor 'step_wise'
  615 12:18:26.825298  [    0.139688] cpuidle: using governor menu
  616 12:18:26.825602  [    0.140216] CPU identified as i.MX6Q, silicon rev 1.2
  617 12:18:26.825904  [    0.872574] vdd1p1: supplied by regulator-dummy
  618 12:18:26.826200  [    0.903869] vdd3p0: supplied by regulator-dummy
  619 12:18:26.826491  [    0.934697] vdd2p5: supplied by regulator-dummy
  620 12:18:26.867317  [    0.965661] vddarm: supplied by regulator-dummy
  621 12:18:26.867860  [    0.997432] vddpu: supplied by regulator-dummy
  622 12:18:26.868211  [    1.027334] vddsoc: supplied by regulator-dummy
  623 12:18:26.868535  [    2.336320] No ATAGs?
  624 12:18:26.868878  [    2.337352] hw-breakpoint: found 5 (+1 reserved) breakpoint and 1 watchpoint registers.
  625 12:18:26.869190  [    2.337439] hw-breakpoint: maximum watchpoint size is 4 bytes.
  626 12:18:26.869493  [    2.357259] imx6q-pinctrl 20e0000.pinctrl: initialized IMX pinctrl driver
  627 12:18:26.869790  [    2.387042] Serial: AMBA PL011 UART driver
  628 12:18:26.870083  [    2.452836] Kprobes globally optimized
  629 12:18:26.910583  [    2.573898] iommu: Default domain type: Translated 
  630 12:18:26.911126  [    2.576097] vgaarb: loaded
  631 12:18:26.911473  [    2.581184] SCSI subsystem initialized
  632 12:18:26.911796  [    2.583334] usbcore: registered new interface driver usbfs
  633 12:18:26.912108  [    2.583653] usbcore: registered new interface driver hub
  634 12:18:26.912409  [    2.583894] usbcore: registered new device driver usb
  635 12:18:26.912740  [    2.591817] i2c i2c-0: IMX I2C adapter registered
  636 12:18:26.913037  [    2.598971] i2c i2c-1: IMX I2C adapter registered
  637 12:18:26.913325  [    2.603514] i2c i2c-2: IMX I2C adapter registered
  638 12:18:26.954313  [    2.608174] pps_core: LinuxPPS API ver. 1 registered
  639 12:18:26.954855  [    2.608219] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@linux.it>
  640 12:18:26.955212  [    2.608318] PTP clock support registered
  641 12:18:26.955535  [    2.626607] clocksource: Switched to clocksource mxc_timer1
  642 12:18:26.955845  [    4.322704] NET: Registered protocol family 2
  643 12:18:26.956146  [    4.323518] IP idents hash table entries: 16384 (order: 5, 131072 bytes, linear)
  644 12:18:26.956444  [    4.327040] tcp_listen_portaddr_hash hash table entries: 512 (order: 2, 22528 bytes, linear)
  645 12:18:26.997678  [    4.327225] TCP established hash table entries: 8192 (order: 3, 32768 bytes, linear)
  646 12:18:26.998188  [    4.327456] TCP bind hash table entries: 8192 (order: 6, 327680 bytes, linear)
  647 12:18:26.998514  [    4.328898] TCP: Hash tables configured (established 8192 bind 8192)
  648 12:18:26.998816  [    4.329978] MPTCP token hash table entries: 1024 (order: 3, 49152 bytes, linear)
  649 12:18:26.999129  [    4.330330] UDP hash table entries: 512 (order: 3, 49152 bytes, linear)
  650 12:18:26.999435  [    4.330588] UDP-Lite hash table entries: 512 (order: 3, 49152 bytes, linear)
  651 12:18:26.999733  [    4.331339] NET: Registered protocol family 1
  652 12:18:27.041497  
  653 12:18:27.042039  [    4.334220] RPC: Registered named UNIX socket transport module.
  654 12:18:27.042392  [    4.334310] RPC: Registered udp transport module.
  655 12:18:27.042720  [    4.334352] RPC: Registered tcp transport module.
  656 12:18:27.043034  [    4.334392] RPC: Registered tcp NFSv4.1 backchannel transport module.
  657 12:18:27.043338  [    4.334446] NET: Registered protocol family 44
  658 12:18:27.043634  [    4.334513] PCI: CLS 0 bytes, default 64
  659 12:18:27.043926  [    4.337278] Trying to unpack rootfs image as initramfs...
  660 12:18:27.044212  [    6.239810] Freeing initrd memory: 15072K
  661 12:18:27.085139  [    6.241104] hw perfevents: no interrupt-affinity property for /pmu, guessing.
  662 12:18:27.085681  [    6.242262] hw perfevents: enabled with armv7_cortex_a9 PMU driver, 7 counters available
  663 12:18:27.086035  [    6.251692] Initialise system trusted keyrings
  664 12:18:27.086363  [    6.252717] workingset: timestamp_bits=30 max_order=18 bucket_order=0
  665 12:18:27.086675  [    6.305279] squashfs: version 4.0 (2009/01/31) Phillip Lougher
  666 12:18:27.086978  [    6.309146] NFS: Registering the id_resolver key type
  667 12:18:27.087273  [    6.309325] Key type id_resolver registered
  668 12:18:27.087563  [    6.309419] Key type id_legacy registered
  669 12:18:27.129194  [    6.310070] nfs4filelayout_init: NFSv4 File Layout Driver Registering...
  670 12:18:27.129756  [    6.310177] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering...
  671 12:18:27.130114  [    6.310389] ntfs: driver 2.1.32 [Flags: R/O].
  672 12:18:27.130438  [    6.312581] Key type asymmetric registered
  673 12:18:27.130749  [    6.312709] Asymmetric key parser 'x509' registered
  674 12:18:27.131053  [    6.313159] bounce: pool size: 64 pages
  675 12:18:27.131348  [    6.313328] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 247)
  676 12:18:27.131642  [    6.313433] io scheduler mq-deadline registered
  677 12:18:27.173312  [    6.313475] io scheduler kyber registered
  678 12:18:27.173858  [    6.314443] test_firmware: interface ready
  679 12:18:27.174214  [    6.498681] mxs-dma 110000.dma-apbh: initialized
  680 12:18:27.174537  [    6.564978] imx-sdma 20ec000.sdma: Direct firmware load for imx/sdma/sdma-imx6q.bin failed with error -2
  681 12:18:27.174854  [    6.565253] imx-sdma 20ec000.sdma: external firmware not found, using ROM firmware
  682 12:18:27.175161  [    6.824493] Serial: 8250/16550 driver, 5 ports, IRQ sharing enabled
  683 12:18:27.175462  [    6.845695] SuperH (H)SCI(F) driver initialized
  684 12:18:27.230179  [    6.848843] 2020000.serial: ttymxc0 at MMIO 0x2020000 (irq = 34, base_baud = 5000000) is a IMX
  685 12:18:27.230732  [    6.854145] 21e8000.serial: ttymxc1 at MMIO 0x21e8000 (irq = 81, base_baud = 5000000) is a IMX
  686 12:18:27.231086  [    7.785637] printk: console [ttymxc1] enabled
  687 12:18:27.231407  [    7.796960] msm_serial: driver initialized
  688 12:18:27.231720  [    7.802171] STMicroelectronics ASC driver initialized
  689 12:18:27.232023  [    7.813996] STM32 USART driver initialized
  690 12:18:27.261957  [    7.841294] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 0
  691 12:18:27.299084  [    7.864170] panel-simple panel-lcd: supply power not found, using dummy regulator
  692 12:18:27.299629  [    7.872691] panel-simple panel-lcd: Specify missing connector_type
  693 12:18:27.299982  [    7.880691] panel-simple panel-lvds0: supply power not found, using dummy regulator
  694 12:18:27.346854  [    7.937395] brd: module loaded
  695 12:18:27.424828  [    8.000813] loop: module loaded
  696 12:18:27.425419  [    8.007469] lkdtm: No crash points registered, enable through debugfs
  697 12:18:27.474687  [    8.030216] ahci-imx 2200000.sata: fsl,transmit-level-mV not specified, using 00000024
  698 12:18:27.475194  [    8.038262] ahci-imx 2200000.sata: fsl,transmit-boost-mdB not specified, using 00000480
  699 12:18:27.475515  [    8.046374] ahci-imx 2200000.sata: fsl,transmit-atten-16ths not specified, using 00002000
  700 12:18:27.475811  [    8.054596] ahci-imx 2200000.sata: fsl,receive-eq-mdB not specified, using 05000000
  701 12:18:27.476098  [    8.062661] ahci-imx 2200000.sata: supply ahci not found, using dummy regulator
  702 12:18:27.531104  [    8.070939] ahci-imx 2200000.sata: supply phy not found, using dummy regulator
  703 12:18:27.531614  [    8.078841] ahci-imx 2200000.sata: supply target not found, using dummy regulator
  704 12:18:27.531935  [    8.090278] ahci-imx 2200000.sata: SSS flag set, parallel bus scan disabled
  705 12:18:27.532230  [    8.097410] ahci-imx 2200000.sata: AHCI 0001.0300 32 slots 1 ports 3 Gbps 0x1 impl platform mode
  706 12:18:27.532522  [    8.106242] ahci-imx 2200000.sata: flags: ncq sntf stag pm led clo only pmp pio slum part ccc apst 
  707 12:18:27.532830  [    8.120859] scsi host0: ahci-imx
  708 12:18:27.573209  [    8.126630] ata1: SATA max UDMA/133 mmio [mem 0x02200000-0x02203fff] port 0x100 irq 84
  709 12:18:27.623221  [    8.193922] bgmac_bcma: Broadcom 47xx GBit MAC driver loaded
  710 12:18:27.623762  [    8.207863] pps pps0: new PPS source ptp0
  711 12:18:27.698254  [    8.254502] fec 2188000.ethernet eth0: registered PHC device 0
  712 12:18:27.698799  [    8.265387] e1000e: Intel(R) PRO/1000 Network Driver
  713 12:18:27.699153  [    8.270452] e1000e: Copyright(c) 1999 - 2015 Intel Corporation.
  714 12:18:27.699481  [    8.276705] igb: Intel(R) Gigabit Ethernet Network Driver
  715 12:18:27.699797  [    8.282141] igb: Copyright (c) 2007-2014 Intel Corporation.
  716 12:18:27.759356  [    8.310788] pegasus: v0.9.3 (2013/04/25), Pegasus/Pegasus II USB Ethernet driver
  717 12:18:27.759899  [    8.318474] usbcore: registered new interface driver pegasus
  718 12:18:27.760248  [    8.324416] usbcore: registered new interface driver asix
  719 12:18:27.760573  [    8.330082] usbcore: registered new interface driver ax88179_178a
  720 12:18:27.760954  [    8.336416] usbcore: registered new interface driver cdc_ether
  721 12:18:27.761265  [    8.342500] usbcore: registered new interface driver smsc75xx
  722 12:18:27.761562  [    8.348552] usbcore: registered new interface driver smsc95xx
  723 12:18:27.801392  [    8.354477] usbcore: registered new interface driver net1080
  724 12:18:27.801936  [    8.360388] usbcore: registered new interface driver cdc_subset
  725 12:18:27.802286  [    8.366545] usbcore: registered new interface driver zaurus
  726 12:18:27.802601  [    8.372407] usbcore: registered new interface driver cdc_ncm
  727 12:18:27.842423  [    8.391434] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
  728 12:18:27.842624  [    8.398139] ehci-pci: EHCI PCI platform driver
  729 12:18:27.842725  [    8.402775] ehci-platform: EHCI generic platform driver
  730 12:18:27.842815  [    8.409143] ehci-orion: EHCI orion driver
  731 12:18:27.842902  [    8.414128] SPEAr-ehci: EHCI SPEAr driver
  732 12:18:27.842986  [    8.419131] ehci-st: EHCI STMicroelectronics driver
  733 12:18:27.843068  [    8.424940] ehci-exynos: EHCI Exynos driver
  734 12:18:27.843148  [    8.430121] ehci-atmel: EHCI Atmel driver
  735 12:18:27.843226  [    8.435060] tegra-ehci: Tegra EHCI driver
  736 12:18:27.893617  [    8.440150] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
  737 12:18:27.894147  [    8.446495] ohci-pci: OHCI PCI platform driver
  738 12:18:27.894489  [    8.451132] ohci-platform: OHCI generic platform driver
  739 12:18:27.894804  [    8.457438] SPEAr-ohci: OHCI SPEAr driver
  740 12:18:27.895106  [    8.462386] ohci-st: OHCI STMicroelectronics driver
  741 12:18:27.895399  [    8.468249] ohci-atmel: OHCI Atmel driver
  742 12:18:27.895686  [    8.475957] usbcore: registered new interface driver usb-storage
  743 12:18:27.895972  [    8.479067] ata1: SATA link down (SStatus 0 SControl 300)
  744 12:18:27.937293  [    8.487836] ahci-imx 2200000.sata: no device found, disabling link.
  745 12:18:27.937826  [    8.494147] ahci-imx 2200000.sata: pass ahci_imx..hotplug=1 to enable hotplug
  746 12:18:27.938170  [    8.516172] i2c /dev entries driver
  747 12:18:28.082090  [    8.605948] sdhci: Secure Digital Host Controller Interface driver
  748 12:18:28.082632  [    8.612242] sdhci: Copyright(c) Pierre Ossman
  749 12:18:28.082984  [    8.626705] Synopsys Designware Multimedia Card Interface Driver
  750 12:18:28.083307  [    8.640496] sdhci-pltfm: SDHCI platform and OF driver helper
  751 12:18:28.083618  [    8.650124] sdhci-esdhc-imx 219c000.mmc: Got CD GPIO
  752 12:18:28.083922  [    8.650132] sdhci-esdhc-imx 2198000.mmc: Got CD GPIO
  753 12:18:28.084219  [    8.660475] sdhci-esdhc-imx 2198000.mmc: Got WP GPIO
  754 12:18:28.084510  [    8.667891] ledtrig-cpu: registered to indicate activity on CPUs
  755 12:18:28.125486  [    8.678019] usbcore: registered new interface driver usbhid
  756 12:18:28.126031  [    8.683633] usbhid: USB HID core driver
  757 12:18:28.163735  [    8.704790] mmc3: SDHCI controller on 219c000.mmc [219c000.mmc] using ADMA
  758 12:18:28.164279  [    8.713090] ipip: IPv4 and MPLS over IPv4 tunneling driver
  759 12:18:28.164634  [    8.721274] gre: GRE over IPv4 demultiplexor driver
  760 12:18:28.164991  [    8.725558] mmc2: SDHCI controller on 2198000.mmc [2198000.mmc] using ADMA
  761 12:18:28.165309  [    8.726192] ip_gre: GRE over IPv4 tunneling driver
  762 12:18:28.165612  [    8.744335] IPv4 over IPsec tunneling driver
  763 12:18:28.165912  [    8.754125] NET: Registered protocol family 10
  764 12:18:28.223405  [    8.765403] Segment Routing with IPv6
  765 12:18:28.223946  [    8.773945] mmc2: new high speed SDHC card at address 59b4
  766 12:18:28.224292  [    8.775992] ip6_gre: GRE over IPv6 tunneling driver
  767 12:18:28.224620  [    8.783612] mmcblk2: mmc2:59b4 SD    14.7 GiB 
  768 12:18:28.224966  [    8.787888] NET: Registered protocol family 17
  769 12:18:28.225270  [    8.795461] Key type dns_resolver registered
  770 12:18:28.225566  [    8.807139] GPT:Primary header thinks Alt. header is not at the end of the disk.
  771 12:18:28.225865  [    8.814695] GPT:29296874 != 30863359
  772 12:18:28.226152  [    8.816115] ThumbEE CPU extension supported.
  773 12:18:28.265284  [    8.818434] GPT:Alternate GPT header not at the end of the disk.
  774 12:18:28.265830  [    8.822712] Registering SWP/SWPB emulation handler
  775 12:18:28.266187  [    8.828789] GPT:29296874 != 30863359
  776 12:18:28.266518  [    8.834917] Loading compiled-in X.509 certificates
  777 12:18:28.266832  [    8.837277] GPT: Use GNU Parted to correct GPT errors.
  778 12:18:28.267137  [    8.847454]  mmcblk2: p1 p2 p3
  779 12:18:28.467774  [    9.028133] panel-simple panel-lcd: supply power not found, using dummy regulator
  780 12:18:28.468313  [    9.036587] panel-simple panel-lcd: Specify missing connector_type
  781 12:18:28.468689  [    9.049879] panel-simple panel-lvds0: supply power not found, using dummy regulator
  782 12:18:28.525964  [    9.086643] imx_usb 2184200.usb: No over current polarity defined
  783 12:18:28.526509  [    9.099929] ci_hdrc ci_hdrc.1: EHCI Host Controller
  784 12:18:28.526860  [    9.105164] ci_hdrc ci_hdrc.1: new USB bus registered, assigned bus number 1
  785 12:18:28.557920  [    9.137072] ci_hdrc ci_hdrc.1: USB 2.0 started, EHCI 1.00
  786 12:18:28.581762  [    9.158104] hub 1-0:1.0: USB hub found
  787 12:18:28.582303  [    9.164552] hub 1-0:1.0: 1 port detected
  788 12:18:28.602869  [    9.181460] imx_thermal 20c8000.anatop:tempmon: Automotive CPU temperature grade - max:125C critical:120C passive:115C
  789 12:18:28.658803  [    9.213975] panel-simple panel-lcd: supply power not found, using dummy regulator
  790 12:18:28.659347  [    9.222385] panel-simple panel-lcd: Specify missing connector_type
  791 12:18:28.659702  [    9.235692] panel-simple panel-lvds0: supply power not found, using dummy regulator
  792 12:18:28.706755  [    9.267014] panel-simple panel-lcd: supply power not found, using dummy regulator
  793 12:18:28.707299  [    9.275299] panel-simple panel-lcd: Specify missing connector_type
  794 12:18:28.707651  [    9.288878] panel-simple panel-lvds0: supply power not found, using dummy regulator
  795 12:18:28.728428  [    9.308150] input: gpio-keys as /devices/platform/gpio-keys/input/input0
  796 12:18:28.777380  [    9.337866] panel-simple panel-lcd: supply power not found, using dummy regulator
  797 12:18:28.777926  [    9.346237] panel-simple panel-lcd: Specify missing connector_type
  798 12:18:28.778275  [    9.359594] panel-simple panel-lvds0: supply power not found, using dummy regulator
  799 12:18:28.819416  [    9.381836] 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 12:18:28.819962  [    9.397216] IP-Config: Failed to open gretap0
  801 12:18:28.820315  [    9.401622] IP-Config: Failed to open erspan0
  802 12:18:28.978065  [    9.436425] Sending DHCP requests .
  803 12:18:28.978610  [    9.556965] usb 1-1: new high-speed USB device number 2 using ci_hdrc
  804 12:18:29.197771  [    9.776014] hub 1-1:1.0: USB hub found
  805 12:18:29.198316  [    9.780446] hub 1-1:1.0: 3 ports detected
  806 12:18:29.253568  [    9.811357] panel-simple panel-lcd: supply power not found, using dummy regulator
  807 12:18:29.254116  [    9.819728] panel-simple panel-lcd: Specify missing connector_type
  808 12:18:29.254466  [    9.833254] panel-simple panel-lvds0: supply power not found, using dummy regulator
  809 12:18:31.986600  [   12.216658] .
  810 12:18:31.987095  [   12.558249] fec 2188000.ethernet eth0: Link is Up - 1Gbps/Full - flow control off
  811 12:18:31.987424  [   12.569630] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
  812 12:18:36.538604  [   17.086658] ., OK
  813 12:18:36.592378  [   17.139026] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.34
  814 12:18:36.592947  [   17.147276] IP-Config: Complete:
  815 12:18:36.593295  [   17.150590]      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 12:18:36.593618  [   17.161123]      host=imx6q-sabrelite-lava-cbg-4, domain=lava-rack, nis-domain=(none)
  817 12:18:36.593924  [   17.169019]      bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath=
  818 12:18:36.594222  [   17.169037]      nameserver0=192.168.201.1
  819 12:18:36.654271  [   17.232228] Freeing unused kernel memory: 2048K
  820 12:18:36.654817  [   17.238347] Run /init as init process
  821 12:18:36.702323  Loading, please wait...
  822 12:18:36.814170  Starting version 247.3-7+deb11u1
  823 12:18:40.678332  [   21.273409] imx-ipuv3 2400000.ipu: IPUv3H probed
  824 12:18:40.759237  [   21.304296] imx-ipuv3 2800000.ipu: IPUv3H probed
  825 12:18:40.759382  [   21.309383] panel-simple panel-lcd: supply power not found, using dummy regulator
  826 12:18:40.759449  [   21.325770] panel-simple panel-lcd: Specify missing connector_type
  827 12:18:40.759512  [   21.341233] panel-simple panel-lvds0: supply power not found, using dummy regulator
  828 12:18:40.826612  [   21.393863] panel-simple panel-lcd: supply power not found, using dummy regulator
  829 12:18:40.827161  [   21.402479] CAN device driver interface
  830 12:18:40.827583  [   21.403057] panel-simple panel-lcd: Specify missing connector_type
  831 12:18:40.854619  [   21.434497] panel-simple panel-lvds0: supply power not found, using dummy regulator
  832 12:18:40.910541  [   21.469205] panel-simple panel-lcd: supply power not found, using dummy regulator
  833 12:18:40.911089  [   21.477633] panel-simple panel-lcd: Specify missing connector_type
  834 12:18:40.911443  [   21.491281] panel-simple panel-lvds0: supply power not found, using dummy regulator
  835 12:18:41.021354  [   21.592648] caam 2100000.crypto: Entropy delay = 3200
  836 12:18:41.021899  [   21.600302] etnaviv etnaviv: bound 130000.gpu (ops gpu_ops [etnaviv])
  837 12:18:41.042052  [   21.621919] etnaviv etnaviv: bound 134000.gpu (ops gpu_ops [etnaviv])
  838 12:18:41.078074  [   21.646764] etnaviv etnaviv: bound 2204000.gpu (ops gpu_ops [etnaviv])
  839 12:18:41.078620  [   21.653381] etnaviv-gpu 130000.gpu: model: GC2000, revision: 5108
  840 12:18:41.078974  [   21.658699] caam 2100000.crypto: Instantiated RNG4 SH0
  841 12:18:41.150802  [   21.719466] caam 2100000.crypto: Instantiated RNG4 SH1
  842 12:18:41.151356  [   21.724666] caam 2100000.crypto: device ID = 0x0a16010000000000 (Era 4)
  843 12:18:41.151717  [   21.731438] caam 2100000.crypto: job rings = 2, qi = 0
  844 12:18:41.210816  [   21.767733] usb_phy_generic usbphynop1: supply vcc not found, using dummy regulator
  845 12:18:41.211307  [   21.774169] panel-simple panel-lcd: supply power not found, using dummy regulator
  846 12:18:41.211664  [   21.776225] usb_phy_generic usbphynop1: dummy supplies not allowed for exclusive requests
  847 12:18:41.212070  [   21.783845] panel-simple panel-lcd: Specify missing connector_type
  848 12:18:41.212395  [   21.791992] usb_phy_generic usbphynop2: supply vcc not found, using dummy regulator
  849 12:18:41.212749  [   21.802980] sgtl5000 0-000a: sgtl5000 revision 0x11
  850 12:18:41.275214  [   21.806059] usb_phy_generic usbphynop2: dummy supplies not allowed for exclusive requests
  851 12:18:41.275734  [   21.808373] panel-simple panel-lvds0: supply power not found, using dummy regulator
  852 12:18:41.276087  [   21.833421] sgtl5000 0-000a: Using internal LDO instead of VDDD: check ER1 erratum
  853 12:18:41.276414  [   21.844951] panel-simple panel-lcd: supply power not found, using dummy regulator
  854 12:18:41.276776  [   21.854571] panel-simple panel-lcd: Specify missing connector_type
  855 12:18:41.290448  [   21.868540] panel-simple panel-lvds0: supply power not found, using dummy regulator
  856 12:18:41.356490  [   21.908100] etnaviv-gpu 134000.gpu: model: GC320, revision: 5007
  857 12:18:41.357060  [   21.914879] etnaviv-gpu 2204000.gpu: model: GC355, revision: 1215
  858 12:18:41.357408  [   21.921244] etnaviv-gpu 2204000.gpu: Ignoring GPU with VG and FE2.0
  859 12:18:41.357731  [   21.931067] [drm] Initialized etnaviv 1.3.0 20151214 for etnaviv on minor 1
  860 12:18:41.358041  [   21.936597] panel-simple panel-lcd: supply power not found, using dummy regulator
  861 12:18:41.358344  [   21.946655] panel-simple panel-lcd: Specify missing connector_type
  862 12:18:41.411351  [   21.951657] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm])
  863 12:18:41.411920  [   21.965585] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm])
  864 12:18:41.412273  [   21.974515] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm])
  865 12:18:41.412599  [   21.984423] panel-simple panel-lvds0: supply power not found, using dummy regulator
  866 12:18:41.412958  [   21.990670] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm])
  867 12:18:41.493967  [   22.068084] panel-simple panel-lcd: supply power not found, using dummy regulator
  868 12:18:41.494190  [   22.076547] panel-simple panel-lcd: Specify missing connector_type
  869 12:18:41.526554  [   22.108421] panel-simple panel-lvds0: supply power not found, using dummy regulator
  870 12:18:41.634154  [   22.185751] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm])
  871 12:18:41.634714  [   22.195073] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm])
  872 12:18:41.635061  [   22.203704] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm])
  873 12:18:41.635377  [   22.212192] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm])
  874 12:18:41.985537  [   22.565404] caam algorithms registered in /proc/crypto
  875 12:18:42.001446  [   22.582123] caam 2100000.crypto: registering rng-caam
  876 12:18:42.043285  [   22.603405] panel-simple panel-lcd: supply power not found, using dummy regulator
  877 12:18:42.043768  [   22.611924] panel-simple panel-lcd: Specify missing connector_type
  878 12:18:42.044190  [   22.626426] panel-simple panel-lvds0: supply power not found, using dummy regulator
  879 12:18:42.108026  [   22.659604] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm])
  880 12:18:42.108296  [   22.668176] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm])
  881 12:18:42.108446  [   22.676757] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm])
  882 12:18:42.108584  [   22.685184] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm])
  883 12:18:42.137900  [   22.711261] panel-simple panel-lcd: supply power not found, using dummy regulator
  884 12:18:42.138015  [   22.719734] panel-simple panel-lcd: Specify missing connector_type
  885 12:18:42.164817  [   22.744648] panel-simple panel-lvds0: supply power not found, using dummy regulator
  886 12:18:42.180984  [   22.770858] random: crng init done
  887 12:18:42.230769  [   22.783013] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm])
  888 12:18:42.230860  [   22.791598] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm])
  889 12:18:42.230932  [   22.800186] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm])
  890 12:18:42.230998  [   22.808675] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm])
  891 12:18:42.279077  Begin: Loading essential drivers ... done.
  892 12:18:42.310608  Begin: Running /scripts/init-premount ... done.
  893 12:18:42.310696  Begin: Mounting root file system ... Begin: Running /scripts/nfs-top ... done.
  894 12:18:42.310765  Begin: Running /scripts/nfs-premount ... Waiting up to 60 secs for any ethernet to become available
  895 12:18:42.342750  Device /sys/class/net/erspan0 found
  896 12:18:42.343209  done.
  897 12:18:42.597395  IP-Config: erspan0 hardware address 00:00:00:00:00:00 mtu 1450 DHCP
  898 12:18:42.597921  SIOCSIFFLAGS: Cannot assign requested address
  899 12:18:42.666876  IP-Config: eth0 hardware address 00:19:b8:08:f1:10 mtu 1500 DHCP
  900 12:18:42.732751  IP-Config: gretap0 hardware address 00:00:00:00:00:00 mtu 1462 DHCP
  901 12:18:42.733308  SIOCSIFFLAGS: Cannot assign requested address
  902 12:18:42.733762  IP-Config: eth0 complete (dhcp from 192.168.201.1):
  903 12:18:42.734189   address: 192.168.201.34   broadcast: 192.168.201.255  netmask: 255.255.255.0   
  904 12:18:42.734607   gateway: 192.168.201.1    dns0     : 192.168.201.1    dns1   : 0.0.0.0         
  905 12:18:42.735019   host   : imx6q-sabrelite-lava-cbg-4                                      
  906 12:18:42.735426   domain : lava-rack                                                       
  907 12:18:42.748031   rootserver: 192.168.201.1 rootpath: 
  908 12:18:42.748486   filename  : 
  909 12:18:42.939379  done.
  910 12:18:42.971682  Begin: Running /scripts/nfs-bottom ... done.
  911 12:18:43.035409  Begin: Running /scripts/init-bottom ... done.
  912 12:18:44.696394  [   25.277282] systemd[1]: System time before build time, advancing clock.
  913 12:18:44.952096  [   25.515611] 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)
  914 12:18:44.968056  [   25.554235] systemd[1]: Detected architecture arm.
  915 12:18:44.983956  
  916 12:18:44.984498  Welcome to Debian GNU/Linux 11 (bullseye)!
  917 12:18:44.984993  
  918 12:18:45.031980  [   25.614832] systemd[1]: Set hostname to <debian-bullseye-armhf>.
  919 12:18:46.756822  [   27.314981] systemd[1]: Queued start job for default target Graphical Interface.
  920 12:18:46.757350  [   27.329651] systemd[1]: Created slice system-getty.slice.
  921 12:18:46.757699  [  OK  ] Created slice system-getty.slice.
  922 12:18:46.804136  [   27.372195] systemd[1]: Created slice system-modprobe.slice.
  923 12:18:46.804695  [  OK  ] Created slice system-modprobe.slice.
  924 12:18:46.850766  [   27.422153] systemd[1]: Created slice system-serial\x2dgetty.slice.
  925 12:18:46.851343  [  OK  ] Created slice system-serial\x2dgetty.slice.
  926 12:18:46.905015  [   27.471388] systemd[1]: Created slice User and Session Slice.
  927 12:18:46.905591  [  OK  ] Created slice User and Session Slice.
  928 12:18:46.954897  [   27.521170] systemd[1]: Started Dispatch Password Requests to Console Directory Watch.
  929 12:18:46.955482  [  OK  ] Started Dispatch Password …ts to Console Directory Watch.
  930 12:18:47.012418  [   27.580316] systemd[1]: Started Forward Password Requests to Wall Directory Watch.
  931 12:18:47.013045  [  OK  ] Started Forward Password R…uests to Wall Directory Watch.
  932 12:18:47.074266  [   27.629384] systemd[1]: Condition check resulted in Arbitrary Executable File Formats File System Automount Point being skipped.
  933 12:18:47.074840  [   27.642419] systemd[1]: Reached target Local Encrypted Volumes.
  934 12:18:47.075196  [  OK  ] Reached target Local Encrypted Volumes.
  935 12:18:47.118130  [   27.687992] systemd[1]: Reached target Paths.
  936 12:18:47.118671  [  OK  ] Reached target Paths.
  937 12:18:47.159204  [   27.727220] systemd[1]: Reached target Remote File Systems.
  938 12:18:47.159744  [  OK  ] Reached target Remote File Systems.
  939 12:18:47.175320  [   27.767355] systemd[1]: Reached target Slices.
  940 12:18:47.191089  [  OK  ] Reached target Slices.
  941 12:18:47.235064  [   27.808730] systemd[1]: Reached target Swap.
  942 12:18:47.235606  [  OK  ] Reached target Swap.
  943 12:18:47.280163  [   27.849002] systemd[1]: Listening on initctl Compatibility Named Pipe.
  944 12:18:47.280723  [  OK  ] Listening on initctl Compatibility Named Pipe.
  945 12:18:47.394993  [   27.953437] systemd[1]: Condition check resulted in Journal Audit Socket being skipped.
  946 12:18:47.395581  [   27.968849] systemd[1]: Listening on Journal Socket (/dev/log).
  947 12:18:47.395968  [  OK  ] Listening on Journal Socket (/dev/log).
  948 12:18:47.440999  [   28.013537] systemd[1]: Listening on Journal Socket.
  949 12:18:47.441585  [  OK  ] Listening on Journal Socket.
  950 12:18:47.497356  [   28.064043] systemd[1]: Listening on Network Service Netlink Socket.
  951 12:18:47.497896  [  OK  ] Listening on Network Service Netlink Socket.
  952 12:18:47.547608  [   28.118602] systemd[1]: Listening on udev Control Socket.
  953 12:18:47.548158  [  OK  ] Listening on udev Control Socket.
  954 12:18:47.590743  [   28.162037] systemd[1]: Listening on udev Kernel Socket.
  955 12:18:47.591279  [  OK  ] Listening on udev Kernel Socket.
  956 12:18:47.644253  [   28.210769] systemd[1]: Condition check resulted in Huge Pages File System being skipped.
  957 12:18:47.644831  [   28.221159] systemd[1]: Condition check resulted in POSIX Message Queue File System being skipped.
  958 12:18:47.667453  [   28.242667] systemd[1]: Mounting Kernel Debug File System...
  959 12:18:47.668024           Mounting Kernel Debug File System...
  960 12:18:47.719232  [   28.288601] systemd[1]: Mounting Kernel Trace File System...
  961 12:18:47.719775           Mounting Kernel Trace File System...
  962 12:18:47.770675  [   28.342686] systemd[1]: Starting Create list of static device nodes for the current kernel...
  963 12:18:47.770764           Starting Create list of st…odes for the current kernel...
  964 12:18:47.847620  [   28.419312] systemd[1]: Starting Load Kernel Module configfs...
  965 12:18:47.847796           Starting Load Kernel Module configfs...
  966 12:18:47.888645  [   28.468528] systemd[1]: Starting Load Kernel Module drm...
  967 12:18:47.888990           Starting Load Kernel Module drm...
  968 12:18:47.945997  [   28.519193] systemd[1]: Starting Load Kernel Module fuse...
  969 12:18:47.946597           Starting Load Kernel Module fuse...
  970 12:18:47.987463  [   28.566996] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped.
  971 12:18:48.027516  [   28.600381] systemd[1]: Starting Journal Service...
  972 12:18:48.027686  [   28.602845] fuse: init (API version 7.32)
  973 12:18:48.027765           Starting Journal Service...
  974 12:18:48.085051  [   28.657476] systemd[1]: Starting Load Kernel Modules...
  975 12:18:48.085218           Starting Load Kernel Modules...
  976 12:18:48.137942  [   28.710403] systemd[1]: Starting Remount Root and Kernel File Systems...
  977 12:18:48.138036           Starting Remount Root and Kernel File Systems...
  978 12:18:48.185801  [   28.757247] systemd[1]: Starting Coldplug All udev Devices...
  979 12:18:48.185953           Starting Coldplug All udev Devices...
  980 12:18:48.247605  [   28.818552] systemd[1]: Mounted Kernel Debug File System.
  981 12:18:48.247690  [  OK  ] Mounted Kernel Debug File System.
  982 12:18:48.287582  [   28.860024] systemd[1]: Mounted Kernel Trace File System.
  983 12:18:48.287663  [  OK  ] Mounted Kernel Trace File System.
  984 12:18:48.348438  [   28.915401] systemd[1]: Finished Create list of static device nodes for the current kernel.
  985 12:18:48.348524  [  OK  ] Finished Create list of st… nodes for the current kernel.
  986 12:18:48.445372  [   29.009050] systemd[1]: modprobe@configfs.service: Succeeded.
  987 12:18:48.445535  [   29.019461] systemd[1]: Finished Load Kernel Module configfs.
  988 12:18:48.445601  [  OK  ] Finished Load Kernel Module configfs.
  989 12:18:48.477301  [   29.073142] systemd[1]: modprobe@drm.service: Succeeded.
  990 12:18:48.510283  
  991 12:18:48.510452  [   29.083066] systemd[1]: Finished Load Kernel Module drm.
  992 12:18:48.510533  [  OK  ] Finished Load Kernel Module drm.
  993 12:18:48.559614  [   29.122458] systemd[1]: modprobe@fuse.service: Succeeded.
  994 12:18:48.560152  [   29.132497] systemd[1]: Finished Load Kernel Module fuse.
  995 12:18:48.560502  [  OK  ] Finished Load Kernel Module fuse.
  996 12:18:48.605419  [   29.182896] systemd[1]: Finished Load Kernel Modules.
  997 12:18:48.605959  [  OK  ] Finished Load Kernel Modules.
  998 12:18:48.659929  [   29.232415] systemd[1]: Finished Remount Root and Kernel File Systems.
  999 12:18:48.660081  [  OK  ] Finished Remount Root and Kernel File Systems.
 1000 12:18:48.728669  [   29.300246] systemd[1]: Mounting FUSE Control File System...
 1001 12:18:48.728805           Mounting FUSE Control File System...
 1002 12:18:48.784573  [   29.356242] systemd[1]: Mounting Kernel Configuration File System...
 1003 12:18:48.784720           Mounting Kernel Configuration File System...
 1004 12:18:48.836731  [   29.404840] systemd[1]: Condition check resulted in Rebuild Hardware Database being skipped.
 1005 12:18:48.836897  [   29.414643] systemd[1]: Condition check resulted in Platform Persistent Storage Archival being skipped.
 1006 12:18:48.860634  [   29.434817] systemd[1]: Starting Load/Save Random Seed...
 1007 12:18:48.860850           Starting Load/Save Random Seed...
 1008 12:18:48.906776  [   29.486769] systemd[1]: Starting Apply Kernel Variables...
 1009 12:18:48.906941           Starting Apply Kernel Variables...
 1010 12:18:48.954867  [   29.547839] systemd[1]: Starting Create System Users...
 1011 12:18:48.971013           Starting Create System Users...
 1012 12:18:48.996686  [   29.574188] systemd[1]: Started Journal Service.
 1013 12:18:48.997228  [  OK  ] Started Journal Service.
 1014 12:18:49.044759  [  OK  ] Mounted FUSE Control File System.
 1015 12:18:49.092642  [  OK  ] Mounted Kernel Configuration File System.
 1016 12:18:49.152136  [  OK  ] Finished Load/Save Random Seed.
 1017 12:18:49.206277  [  OK  ] Finished Apply Kernel Variables.
 1018 12:18:49.249239  [  OK  ] Finished Create System Users.
 1019 12:18:49.313235           Starting Flush Journal to Persistent Storage...
 1020 12:18:49.377063           Starting Create Static Device Nodes in /dev...
 1021 12:18:49.430110  [   30.009205] systemd-journald[281]: Received client request to flush runtime journal.
 1022 12:18:49.583927  [  OK  ] Finished Create Static Device Nodes in /dev.
 1023 12:18:49.630553  [  OK  ] Reached target Local File Systems (Pre).
 1024 12:18:49.659024  [  OK  ] Reached target Local File Systems.
 1025 12:18:49.714943           Starting Rule-based Manage…for Device Events and Files...
 1026 12:18:50.274483  [  OK  ] Finished Flush Journal to Persistent Storage.
 1027 12:18:50.332219           Starting Create Volatile Files and Directories...
 1028 12:18:50.371335  [  OK  ] Started Rule-based Manager for Device Events and Files.
 1029 12:18:50.451259           Starting Network Service...
 1030 12:18:51.441196  [  OK  ] Finished Create Volatile Files and Directories.
 1031 12:18:51.513357           Starting Network Time Synchronization...
 1032 12:18:51.550874           Starting Update UTMP about System Boot/Shutdown...
 1033 12:18:51.567456  [  OK  ] Started Network Service.
 1034 12:18:51.727134           Starting Network Name Resolution...
 1035 12:18:51.989791  [  OK  ] Finished Update UTMP about System Boot/Shutdown.
 1036 12:18:52.739334  [  OK  ] Started Network Time Synchronization.
 1037 12:18:52.780110  [  OK  ] Reached target System Time Set.
 1038 12:18:52.811075  [  OK  ] Reached target System Time Synchronized.
 1039 12:18:53.142959  [  OK  ] Started Network Name Resolution.
 1040 12:18:53.190011  [  OK  ] Reached target Network.
 1041 12:18:53.218941  [  OK  ] Reached target Host and Network Name Lookups.
 1042 12:18:54.257700  [  OK  ] Reached target Hardware activated USB gadget.
 1043 12:18:54.417325  [  OK  ] Found device /dev/ttymxc1.
 1044 12:18:54.486955  [  OK  ] Finished Coldplug All udev Devices.
 1045 12:18:54.580692  [  OK  ] Reached target System Initialization.
 1046 12:18:54.652519  [  OK  ] Started Daily apt download activities.
 1047 12:18:54.668532  [  OK  ] Started Daily apt upgrade and clean activities.
 1048 12:18:54.699414  [  OK  ] Started Periodic ext4 Onli…ata Check for All Filesystems.
 1049 12:18:54.743322  [  OK  ] Started Discard unused blocks once a week.
 1050 12:18:54.765336  [  OK  ] Started Daily Cleanup of Temporary Directories.
 1051 12:18:54.781323  [  OK  ] Reached target Timers.
 1052 12:18:54.824471  [  OK  ] Listening on D-Bus System Message Bus Socket.
 1053 12:18:54.856188  [  OK  ] Reached target Sockets.
 1054 12:18:54.899162  [  OK  ] Reached target Basic System.
 1055 12:18:54.940950  [  OK  ] Started D-Bus System Message Bus.
 1056 12:18:55.046762           Starting Remove Stale Onli…t4 Metadata Check Snapshots...
 1057 12:18:55.190784           Starting User Login Management...
 1058 12:18:55.255082           Starting Permit User Sessions...
 1059 12:18:55.567225  [  OK  ] Finished Permit User Sessions.
 1060 12:18:56.274704  [  OK  ] Finished Remove Stale Onli…ext4 Metadata Check Snapshots.
 1061 12:18:58.128201  [  OK  ] Started User Login Management.
 1062 12:18:58.173033  [  OK  ] Listening on Load/Save RF …itch Status /dev/rfkill Watch.
 1063 12:18:58.220903  [  OK  ] Started Getty on tty1.
 1064 12:18:58.295475  [  OK  ] Started Serial Getty on ttymxc1.
 1065 12:18:58.337575  [  OK  ] Reached target Login Prompts.
 1066 12:18:58.374631  [  OK  ] Reached target Multi-User System.
 1067 12:18:58.390640  [  OK  ] Reached target Graphical Interface.
 1068 12:18:58.447698           Starting Update UTMP about System Runlevel Changes...
 1069 12:18:58.644490  [  OK  ] Finished Update UTMP about System Runlevel Changes.
 1070 12:18:58.771626  
 1071 12:18:58.771809  
 1072 12:18:58.771896  Debian GNU/Linux 11 debian-bullseye-armhf ttymxc1
 1073 12:18:58.771975  
 1074 12:18:58.787675  debian-bullseye-armhf login: root (automatic login)
 1075 12:18:58.787886  
 1076 12:18:58.788002  
 1077 12:18:59.412831  Linux debian-bullseye-armhf 5.10.162-cip23 #1 SMP Wed Jan 4 11:56:45 UTC 2023 armv7l
 1078 12:18:59.413380  
 1079 12:18:59.413740  The programs included with the Debian GNU/Linux system are free software;
 1080 12:18:59.414075  the exact distribution terms for each program are described in the
 1081 12:18:59.414388  individual files in /usr/share/doc/*/copyright.
 1082 12:18:59.414694  
 1083 12:18:59.415002  Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent
 1084 12:18:59.415303  permitted by applicable law.
 1085 12:19:04.285577  Matched prompt #10: / #
 1087 12:19:04.286751  Setting prompt string to ['/ #']
 1088 12:19:04.287205  end: 2.4.4.1 login-action (duration 00:00:38) [common]
 1090 12:19:04.288215  end: 2.4.4 auto-login-action (duration 00:00:47) [common]
 1091 12:19:04.288689  start: 2.4.5 expect-shell-connection (timeout 00:03:19) [common]
 1092 12:19:04.289053  Setting prompt string to ['/ #']
 1093 12:19:04.289367  Forcing a shell prompt, looking for ['/ #']
 1095 12:19:04.340476  / # 
 1096 12:19:04.341142  expect-shell-connection: Wait for prompt ['/ #'] (timeout 00:05:00)
 1097 12:19:04.341562  Waiting using forced prompt support (timeout 00:02:30)
 1098 12:19:04.348729  
 1099 12:19:04.365111  end: 2.4.5 expect-shell-connection (duration 00:00:00) [common]
 1100 12:19:04.365759  start: 2.4.6 export-device-env (timeout 00:03:19) [common]
 1101 12:19:04.366782  Sending with 10 millisecond of delay
 1103 12:19:09.445368  / # export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/8570582/extract-nfsrootfs-y3_lk7vm'
 1104 12:19:09.459048  export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/8570582/extract-nfsrootfs-y3_lk7vm'
 1105 12:19:09.459323  Sending with 10 millisecond of delay
 1107 12:19:11.689639  / # export NFS_SERVER_IP='192.168.201.1'
 1108 12:19:11.700765  export NFS_SERVER_IP='192.168.201.1'
 1109 12:19:11.712367  end: 2.4.6 export-device-env (duration 00:00:07) [common]
 1110 12:19:11.713020  end: 2.4 uboot-commands (duration 00:01:48) [common]
 1111 12:19:11.713504  end: 2 uboot-action (duration 00:01:48) [common]
 1112 12:19:11.714067  start: 3 lava-test-retry (timeout 00:07:44) [common]
 1113 12:19:11.714541  start: 3.1 lava-test-shell (timeout 00:07:44) [common]
 1114 12:19:11.714935  Using namespace: common
 1116 12:19:11.816685  / # #
 1117 12:19:11.817394  lava-test-shell: Wait for prompt ['/ #'] (timeout 00:10:00)
 1118 12:19:11.823778  #
 1119 12:19:11.840249  Using /lava-8570582
 1121 12:19:11.942461  / # export SHELL=/bin/bash
 1122 12:19:11.951623  export SHELL=/bin/bash
 1124 12:19:12.069193  / # . /lava-8570582/environment
 1125 12:19:12.079254  . /lava-8570582/environment
 1127 12:19:12.196584  / # /lava-8570582/bin/lava-test-runner /lava-8570582/0
 1128 12:19:12.197247  Test shell timeout: 10s (minimum of the action and connection timeout)
 1129 12:19:12.207178  /lava-8570582/bin/lava-test-runner /lava-8570582/0
 1130 12:19:12.886104  + export TESTRUN_ID=0_timesync-off
 1131 12:19:12.886648  + TESTRUN_ID=0_timesync-off
 1132 12:19:12.887006  + cd /lava-8570582/0/tests/0_timesync-off
 1133 12:19:12.887335  ++ cat uuid
 1134 12:19:12.937974  + UUID=8570582_1.6.2.4.1
 1135 12:19:12.938584  + set +x
 1136 12:19:12.939046  <LAVA_SIGNAL_STARTRUN 0_timesync-off 8570582_1.6.2.4.1>
 1137 12:19:12.939612  + systemctl stop systemd-timesyncd
 1138 12:19:12.940302  Received signal: <STARTRUN> 0_timesync-off 8570582_1.6.2.4.1
 1139 12:19:12.940718  Starting test lava.0_timesync-off (8570582_1.6.2.4.1)
 1140 12:19:12.941256  Skipping test definition patterns.
 1141 12:19:13.094988  + set +x
 1142 12:19:13.095126  <LAVA_SIGNAL_ENDRUN 0_timesync-off 8570582_1.6.2.4.1>
 1143 12:19:13.095374  Received signal: <ENDRUN> 0_timesync-off 8570582_1.6.2.4.1
 1144 12:19:13.095474  Ending use of test pattern.
 1145 12:19:13.095554  Ending test lava.0_timesync-off (8570582_1.6.2.4.1), duration 0.15
 1147 12:19:13.315694  + export TESTRUN_ID=1_kselftest-lkdtm
 1148 12:19:13.315834  + TESTRUN_ID=1_kselftest-lkdtm
 1149 12:19:13.315918  + cd /lava-8570582/0/tests/1_kselftest-lkdtm
 1150 12:19:13.316011  ++ cat uuid
 1151 12:19:13.331653  + UUID=8570582_1.6.2.4.5
 1152 12:19:13.331750  + set +x
 1153 12:19:13.379780  <LAVA_SIGNAL_STARTRUN 1_kselftest-lkdtm 8570582_1.6.2.4.5>
 1154 12:19:13.379943  + cd ./automated/linux/kselftest/
 1155 12:19:13.380040  + ./kselftest.sh -c lkdtm -T '' -t kselftest_armhf.tar.gz -s false -u http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.161-cip23-65-gca8c192cb189/arm/multi_v7_defconfig+kselftest/gcc-10/kselftest.tar.xz -L '' -S skipfile-lkft.yaml -b imx6q-sabrelite -g cip-gitlab -e '' -p /opt/kselftests/mainline/ -n 1 -i 1
 1156 12:19:13.380301  Received signal: <STARTRUN> 1_kselftest-lkdtm 8570582_1.6.2.4.5
 1157 12:19:13.380370  Starting test lava.1_kselftest-lkdtm (8570582_1.6.2.4.5)
 1158 12:19:13.380512  Skipping test definition patterns.
 1159 12:19:13.464385  INFO: Generating a skipfile based on /lava-8570582/0/tests/1_kselftest-lkdtm/automated/linux/kselftest/skipfile-lkft.yaml
 1160 12:19:13.699978  INFO: Using the following generated skipfile contents (until EOF):
 1161 12:19:13.700159  breakpoints:breakpoint_test
 1162 12:19:13.700265  breakpoints:step_after_suspend_test
 1163 12:19:13.700345  ftrace:ftracetest
 1164 12:19:13.700442  net:rtnetlink.sh
 1165 12:19:13.700501  net:tls
 1166 12:19:13.700571  netfilter:bridge_brouter.sh
 1167 12:19:13.700629  netfilter:nft_flowtable.sh
 1168 12:19:13.700716  netfilter:nft_trans_stress.sh
 1169 12:19:13.700816  pidfd:pidfd_wait
 1170 12:19:13.700872  INFO: EOF
 1171 12:19:13.795809  INFO: Installing sed perl wget xz-utils iproute2
 1172 12:19:14.914384  Hit:1 http://deb.debian.org/debian bullseye InRelease
 1173 12:19:28.135170  Reading package lists...
 1174 12:19:30.721269  Reading package lists...
 1175 12:19:31.615840  Building dependency tree...
 1176 12:19:31.616384  Reading state information...
 1177 12:19:31.839420  iproute2 is already the newest version (5.10.0-4).
 1178 12:19:31.839960  perl is already the newest version (5.32.1-4+deb11u2).
 1179 12:19:31.840314  sed is already the newest version (4.7-1).
 1180 12:19:31.840731  wget is already the newest version (1.21-1+deb11u1).
 1181 12:19:31.841062  xz-utils is already the newest version (5.2.5-2.1~deb11u1).
 1182 12:19:33.451862  0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
 1183 12:19:33.637203  --2023-01-04 12:19:33--  http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.161-cip23-65-gca8c192cb189/arm/multi_v7_defconfig+kselftest/gcc-10/kselftest.tar.xz
 1184 12:19:33.658458  Resolving storage.kernelci.org (storage.kernelci.org)... 52.250.1.28
 1185 12:19:33.786102  Connecting to storage.kernelci.org (storage.kernelci.org)|52.250.1.28|:80... connected.
 1186 12:19:33.957880  HTTP request sent, awaiting response... 200 OK
 1187 12:19:33.958424  Length: 1407780 (1.3M) [application/octet-stream]
 1188 12:19:33.958776  Saving to: 'kselftest.tar.xz'
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 1239 12:19:45.121745  
 1240 12:19:49.985189  skiplist:
 1241 12:19:49.985736  ========================================
 1242 12:19:49.986083  breakpoints:breakpoint_test
 1243 12:19:50.272439  breakpoints:step_after_suspend_test
 1244 12:19:50.320506  ftrace:ftracetest
 1245 12:19:50.384459  net:rtnetlink.sh
 1246 12:19:50.432361  net:tls
 1247 12:19:50.496386  netfilter:bridge_brouter.sh
 1248 12:19:50.544269  netfilter:nft_flowtable.sh
 1249 12:19:50.592080  netfilter:nft_trans_stress.sh
 1250 12:19:50.640023  pidfd:pidfd_wait
 1251 12:19:50.704093  ========================================
 1252 12:19:50.851647  lkdtm:PANIC.sh
 1253 12:19:50.852192  lkdtm:BUG.sh
 1254 12:19:50.852547  lkdtm:WARNING.sh
 1255 12:19:50.852922  lkdtm:WARNING_MESSAGE.sh
 1256 12:19:50.853276  lkdtm:EXCEPTION.sh
 1257 12:19:50.853594  lkdtm:LOOP.sh
 1258 12:19:50.853901  lkdtm:EXHAUST_STACK.sh
 1259 12:19:50.854203  lkdtm:CORRUPT_STACK.sh
 1260 12:19:50.854500  lkdtm:CORRUPT_STACK_STRONG.sh
 1261 12:19:50.854796  lkdtm:CORRUPT_LIST_ADD.sh
 1262 12:19:50.855113  lkdtm:CORRUPT_LIST_DEL.sh
 1263 12:19:50.855407  lkdtm:STACK_GUARD_PAGE_LEADING.sh
 1264 12:19:50.855697  lkdtm:STACK_GUARD_PAGE_TRAILING.sh
 1265 12:19:50.855987  lkdtm:UNSET_SMEP.sh
 1266 12:19:50.856277  lkdtm:DOUBLE_FAULT.sh
 1267 12:19:50.856568  lkdtm:CORRUPT_PAC.sh
 1268 12:19:50.856915  lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh
 1269 12:19:50.857216  lkdtm:OVERWRITE_ALLOCATION.sh
 1270 12:19:50.857440  lkdtm:WRITE_AFTER_FREE.sh
 1271 12:19:50.894531  lkdtm:READ_AFTER_FREE.sh
 1272 12:19:50.894756  lkdtm:WRITE_BUDDY_AFTER_FREE.sh
 1273 12:19:50.894879  lkdtm:READ_BUDDY_AFTER_FREE.sh
 1274 12:19:50.894988  lkdtm:SLAB_FREE_DOUBLE.sh
 1275 12:19:50.895091  lkdtm:SLAB_FREE_CROSS.sh
 1276 12:19:50.895194  lkdtm:SLAB_FREE_PAGE.sh
 1277 12:19:50.895307  lkdtm:SOFTLOCKUP.sh
 1278 12:19:50.895413  lkdtm:HARDLOCKUP.sh
 1279 12:19:50.895515  lkdtm:SPINLOCKUP.sh
 1280 12:19:50.895617  lkdtm:HUNG_TASK.sh
 1281 12:19:50.895718  lkdtm:EXEC_DATA.sh
 1282 12:19:50.895819  lkdtm:EXEC_STACK.sh
 1283 12:19:50.895919  lkdtm:EXEC_KMALLOC.sh
 1284 12:19:50.896020  lkdtm:EXEC_VMALLOC.sh
 1285 12:19:50.896120  lkdtm:EXEC_RODATA.sh
 1286 12:19:50.896221  lkdtm:EXEC_USERSPACE.sh
 1287 12:19:50.896321  lkdtm:EXEC_NULL.sh
 1288 12:19:50.896422  lkdtm:ACCESS_USERSPACE.sh
 1289 12:19:50.896521  lkdtm:ACCESS_NULL.sh
 1290 12:19:50.896620  lkdtm:WRITE_RO.sh
 1291 12:19:50.896734  lkdtm:WRITE_RO_AFTER_INIT.sh
 1292 12:19:50.937965  lkdtm:WRITE_KERN.sh
 1293 12:19:50.938512  lkdtm:REFCOUNT_INC_OVERFLOW.sh
 1294 12:19:50.938874  lkdtm:REFCOUNT_ADD_OVERFLOW.sh
 1295 12:19:50.939206  lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh
 1296 12:19:50.939522  lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh
 1297 12:19:50.939829  lkdtm:REFCOUNT_DEC_ZERO.sh
 1298 12:19:50.940130  lkdtm:REFCOUNT_DEC_NEGATIVE.sh
 1299 12:19:50.940430  lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh
 1300 12:19:50.940774  lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh
 1301 12:19:50.941084  lkdtm:REFCOUNT_INC_ZERO.sh
 1302 12:19:50.941382  lkdtm:REFCOUNT_ADD_ZERO.sh
 1303 12:19:50.941674  lkdtm:REFCOUNT_INC_SATURATED.sh
 1304 12:19:50.941963  lkdtm:REFCOUNT_DEC_SATURATED.sh
 1305 12:19:50.942251  lkdtm:REFCOUNT_ADD_SATURATED.sh
 1306 12:19:50.942537  lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh
 1307 12:19:50.980778  lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh
 1308 12:19:50.981301  lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh
 1309 12:19:50.981658  lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh
 1310 12:19:50.981989  lkdtm:REFCOUNT_TIMING.sh
 1311 12:19:50.982311  lkdtm:ATOMIC_TIMING.sh
 1312 12:19:50.982622  lkdtm:USERCOPY_HEAP_SIZE_TO.sh
 1313 12:19:50.982926  lkdtm:USERCOPY_HEAP_SIZE_FROM.sh
 1314 12:19:50.983232  lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh
 1315 12:19:50.983530  lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh
 1316 12:19:50.983825  lkdtm:USERCOPY_STACK_FRAME_TO.sh
 1317 12:19:50.984154  lkdtm:USERCOPY_STACK_FRAME_FROM.sh
 1318 12:19:50.984447  lkdtm:USERCOPY_STACK_BEYOND.sh
 1319 12:19:50.984784  lkdtm:USERCOPY_KERNEL.sh
 1320 12:19:50.985085  lkdtm:STACKLEAK_ERASING.sh
 1321 12:19:51.023948  lkdtm:CFI_FORWARD_PROTO.sh
 1322 12:19:51.024498  ============== Tests to run ===============
 1323 12:19:51.024910  lkdtm:PANIC.sh
 1324 12:19:51.025244  lkdtm:BUG.sh
 1325 12:19:51.025562  lkdtm:WARNING.sh
 1326 12:19:51.025873  lkdtm:WARNING_MESSAGE.sh
 1327 12:19:51.026178  lkdtm:EXCEPTION.sh
 1328 12:19:51.026480  lkdtm:LOOP.sh
 1329 12:19:51.026809  lkdtm:EXHAUST_STACK.sh
 1330 12:19:51.027108  lkdtm:CORRUPT_STACK.sh
 1331 12:19:51.027401  lkdtm:CORRUPT_STACK_STRONG.sh
 1332 12:19:51.027694  lkdtm:CORRUPT_LIST_ADD.sh
 1333 12:19:51.027983  lkdtm:CORRUPT_LIST_DEL.sh
 1334 12:19:51.028270  lkdtm:STACK_GUARD_PAGE_LEADING.sh
 1335 12:19:51.028561  lkdtm:STACK_GUARD_PAGE_TRAILING.sh
 1336 12:19:51.028900  lkdtm:UNSET_SMEP.sh
 1337 12:19:51.029198  lkdtm:DOUBLE_FAULT.sh
 1338 12:19:51.029484  lkdtm:CORRUPT_PAC.sh
 1339 12:19:51.029770  lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh
 1340 12:19:51.030057  lkdtm:OVERWRITE_ALLOCATION.sh
 1341 12:19:51.066904  lkdtm:WRITE_AFTER_FREE.sh
 1342 12:19:51.067452  lkdtm:READ_AFTER_FREE.sh
 1343 12:19:51.067807  lkdtm:WRITE_BUDDY_AFTER_FREE.sh
 1344 12:19:51.068139  lkdtm:READ_BUDDY_AFTER_FREE.sh
 1345 12:19:51.068459  lkdtm:SLAB_FREE_DOUBLE.sh
 1346 12:19:51.068822  lkdtm:SLAB_FREE_CROSS.sh
 1347 12:19:51.069142  lkdtm:SLAB_FREE_PAGE.sh
 1348 12:19:51.069445  lkdtm:SOFTLOCKUP.sh
 1349 12:19:51.069747  lkdtm:HARDLOCKUP.sh
 1350 12:19:51.070045  lkdtm:SPINLOCKUP.sh
 1351 12:19:51.070336  lkdtm:HUNG_TASK.sh
 1352 12:19:51.070629  lkdtm:EXEC_DATA.sh
 1353 12:19:51.070918  lkdtm:EXEC_STACK.sh
 1354 12:19:51.071205  lkdtm:EXEC_KMALLOC.sh
 1355 12:19:51.071495  lkdtm:EXEC_VMALLOC.sh
 1356 12:19:51.071782  lkdtm:EXEC_RODATA.sh
 1357 12:19:51.072065  lkdtm:EXEC_USERSPACE.sh
 1358 12:19:51.072356  lkdtm:EXEC_NULL.sh
 1359 12:19:51.072645  lkdtm:ACCESS_USERSPACE.sh
 1360 12:19:51.072979  lkdtm:ACCESS_NULL.sh
 1361 12:19:51.109886  lkdtm:WRITE_RO.sh
 1362 12:19:51.110416  lkdtm:WRITE_RO_AFTER_INIT.sh
 1363 12:19:51.110774  lkdtm:WRITE_KERN.sh
 1364 12:19:51.111104  lkdtm:REFCOUNT_INC_OVERFLOW.sh
 1365 12:19:51.111419  lkdtm:REFCOUNT_ADD_OVERFLOW.sh
 1366 12:19:51.111744  lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh
 1367 12:19:51.112066  lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh
 1368 12:19:51.112371  lkdtm:REFCOUNT_DEC_ZERO.sh
 1369 12:19:51.112693  lkdtm:REFCOUNT_DEC_NEGATIVE.sh
 1370 12:19:51.112997  lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh
 1371 12:19:51.113292  lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh
 1372 12:19:51.113585  lkdtm:REFCOUNT_INC_ZERO.sh
 1373 12:19:51.113879  lkdtm:REFCOUNT_ADD_ZERO.sh
 1374 12:19:51.114171  lkdtm:REFCOUNT_INC_SATURATED.sh
 1375 12:19:51.114459  lkdtm:REFCOUNT_DEC_SATURATED.sh
 1376 12:19:51.114751  lkdtm:REFCOUNT_ADD_SATURATED.sh
 1377 12:19:51.157222  
 1378 12:19:51.157784  lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh
 1379 12:19:51.158149  lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh
 1380 12:19:51.158480  lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh
 1381 12:19:51.158796  lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh
 1382 12:19:51.159101  lkdtm:REFCOUNT_TIMING.sh
 1383 12:19:51.159403  lkdtm:ATOMIC_TIMING.sh
 1384 12:19:51.159724  lkdtm:USERCOPY_HEAP_SIZE_TO.sh
 1385 12:19:51.160032  lkdtm:USERCOPY_HEAP_SIZE_FROM.sh
 1386 12:19:51.160331  lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh
 1387 12:19:51.160626  lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh
 1388 12:19:51.160978  lkdtm:USERCOPY_STACK_FRAME_TO.sh
 1389 12:19:51.161278  lkdtm:USERCOPY_STACK_FRAME_FROM.sh
 1390 12:19:51.161570  lkdtm:USERCOPY_STACK_BEYOND.sh
 1391 12:19:51.161860  lkdtm:USERCOPY_KERNEL.sh
 1392 12:19:51.201258  lkdtm:STACKLEAK_ERASING.sh
 1393 12:19:51.201822  lkdtm:CFI_FORWARD_PROTO.sh
 1394 12:19:51.202191  ===========End Tests to run ===============
 1395 12:19:53.330033  [   93.913976] kselftest: Running tests in lkdtm
 1396 12:19:53.362138  TAP version 13
 1397 12:19:53.410010  1..70
 1398 12:19:53.441806  # selftests: lkdtm: PANIC.sh
 1399 12:19:53.777320  # Skipping PANIC: crashes entire system
 1400 12:19:53.793253  ok 1 selftests: lkdtm: PANIC.sh # SKIP
 1401 12:19:53.840977  # selftests: lkdtm: BUG.sh
 1402 12:19:54.214404  [   94.771409] lkdtm: Performing direct entry BUG
 1403 12:19:54.214962  [   94.776181] ------------[ cut here ]------------
 1404 12:19:54.215324  [   94.780820] kernel BUG at drivers/misc/lkdtm/bugs.c:76!
 1405 12:19:54.215655  [   94.786070] Internal error: Oops - BUG: 0 [#1] SMP ARM
 1406 12:19:54.257670  [   94.791231] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3
 1407 12:19:54.258240  [   94.820524] CPU: 1 PID: 812 Comm: cat Not tainted 5.10.162-cip23 #1
 1408 12:19:54.258606  [   94.826813] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 1409 12:19:54.258946  [   94.833376] PC is at lkdtm_BUG+0x14/0x18
 1410 12:19:54.259299  [   94.837328] LR is at lkdtm_do_action+0x2c/0x4c
 1411 12:19:54.259619  [   94.841796] pc : [<c0c335c0>]    lr : [<c0c33040>]    psr: a00e0013
 1412 12:19:54.259927  [   94.848084] sp : c6bbbe58  ip : c6bbbe68  fp : c6bbbe64
 1413 12:19:54.260230  [   94.853332] r10: 00000004  r9 : c1accccc  r8 : c15e8704
 1414 12:19:54.301184  [   94.858580] r7 : c6bbbf60  r6 : 00000004  r5 : c5f93000  r4 : 00000001
 1415 12:19:54.301741  [   94.865128] r3 : c0c335ac  r2 : 481c8be2  r1 : ef7965e0  r0 : c15e870c
 1416 12:19:54.302102  [   94.871681] Flags: NzCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 1417 12:19:54.302436  [   94.878840] Control: 10c5387d  Table: 16ebc04a  DAC: 00000051
 1418 12:19:54.302758  [   94.884612] Process cat (pid: 812, stack limit = 0xf1e0903f)
 1419 12:19:54.303071  [   94.890295] Stack: (0xc6bbbe58 to 0xc6bbc000)
 1420 12:19:54.344503  [   94.894680] be40:                                                       c6bbbe74 c6bbbe68
 1421 12:19:54.345093  [   94.902891] be60: c0c33040 c0c335b8 c6bbbe9c c6bbbe78 c0c33540 c0c33020 c0c33420 c5811400
 1422 12:19:54.345457  [   94.911099] be80: b6e46000 00000004 c5357900 c6bbbf60 c6bbbec4 c6bbbea0 c07e0650 c0c3342c
 1423 12:19:54.345790  [   94.919307] bea0: 00000000 c5811400 b6e46000 c2816000 c6bbbf60 c07e05ec c6bbbf5c c6bbbec8
 1424 12:19:54.346110  [   94.927515] bec0: c0598d04 c07e05f8 00000001 00000000 c0599298 c13732e0 c0599298 c6bba000
 1425 12:19:54.346420  [   94.935725] bee0: b6e46000 00020000 00000004 00000004 0001fffc c6bbbee0 00000001 b6e45000
 1426 12:19:54.387760  [   94.943932] bf00: c448c8c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 1427 12:19:54.388319  [   94.952139] bf20: 00000000 00000000 c13732e0 481c8be2 c205c620 c5811400 c5811400 c6bba000
 1428 12:19:54.388718  [   94.960346] bf40: b6e46000 00000000 00000000 00000004 c6bbbf94 c6bbbf60 c0599298 c0598c04
 1429 12:19:54.389061  [   94.968556] bf60: 00000000 00000000 c6bbbfac 481c8be2 00000004 00000004 b6f8de00 00000004
 1430 12:19:54.389383  [   94.976764] bf80: c03002e4 c6bba000 c6bbbfa4 c6bbbf98 c0599328 c0599230 00000000 c6bbbfa8
 1431 12:19:54.431146  [   94.984972] bfa0: c03000c0 c059931c 00000004 00000004 00000001 b6e46000 00000004 00000000
 1432 12:19:54.431708  [   94.993179] bfc0: 00000004 00000004 b6f8de00 00000004 00000001 00000000 00020000 be82ca64
 1433 12:19:54.432072  [   95.001388] bfe0: 00000004 be82c798 b6ef84cf b6e7e7e6 800e0030 00000001 00000000 00000000
 1434 12:19:54.432407  [   95.009582] Backtrace: 
 1435 12:19:54.432778  [   95.012079] [<c0c335ac>] (lkdtm_BUG) from [<c0c33040>] (lkdtm_do_action+0x2c/0x4c)
 1436 12:19:54.433109  [   95.019686] [<c0c33014>] (lkdtm_do_action) from [<c0c33540>] (direct_entry+0x120/0x18c)
 1437 12:19:54.474368  [   95.027731] [<c0c33420>] (direct_entry) from [<c07e0650>] (full_proxy_write+0x64/0x94)
 1438 12:19:54.474925  [   95.035683]  r9:c6bbbf60 r8:c5357900 r7:00000004 r6:b6e46000 r5:c5811400 r4:c0c33420
 1439 12:19:54.475284  [   95.043469] [<c07e05ec>] (full_proxy_write) from [<c0598d04>] (vfs_write+0x10c/0x524)
 1440 12:19:54.475620  [   95.051331]  r9:c07e05ec r8:c6bbbf60 r7:c2816000 r6:b6e46000 r5:c5811400 r4:00000000
 1441 12:19:54.475942  [   95.059109] [<c0598bf8>] (vfs_write) from [<c0599298>] (ksys_write+0x74/0xec)
 1442 12:19:54.476256  [   95.066275]  r10:00000004 r9:00000000 r8:00000000 r7:b6e46000 r6:c6bba000 r5:c5811400
 1443 12:19:54.517792  [   95.074123]  r4:c5811400
 1444 12:19:54.518348  [   95.076691] [<c0599224>] (ksys_write) from [<c0599328>] (sys_write+0x18/0x1c)
 1445 12:19:54.518710  [   95.083858]  r9:c6bba000 r8:c03002e4 r7:00000004 r6:b6f8de00 r5:00000004 r4:00000004
 1446 12:19:54.519044  [   95.091637] [<c0599310>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 1447 12:19:54.519368  [   95.099228] Exception stack(0xc6bbbfa8 to 0xc6bbbff0)
 1448 12:19:54.519683  [   95.104308] bfa0:                   00000004 00000004 00000001 b6e46000 00000004 00000000
 1449 12:19:54.561243  [   95.112515] bfc0: 00000004 00000004 b6f8de00 00000004 00000001 00000000 00020000 be82ca64
 1450 12:19:54.561801  [   95.120716] bfe0: 00000004 be82c798 b6ef84cf b6e7e7e6
 1451 12:19:54.562166  [   95.125800] Code: e92dd800 e24cb004 e52de004 e8bd4000 (e7f001f2) 
 1452 12:19:54.562529  [   95.131926] ---[ end trace 602be0240ace6245 ]---
 1453 12:19:54.562861  [   95.136573] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49
 1454 12:19:54.563181  [   95.145472] in_atomic(): 0, irqs_disabled(): 128, non_block: 0, pid: 812, name: cat
 1455 12:19:54.563494  [   95.153145] INFO: lockdep is turned off.
 1456 12:19:54.563795  [   95.157086] irq event stamp: 1592
 1457 12:19:54.604153  [   95.160445] hardirqs last  enabled at (1591): [<c03d5060>] console_unlock+0x4b0/0x6c0
 1458 12:19:54.604735  [   95.168308] hardirqs last disabled at (1592): [<c0300c60>] __und_svc+0x60/0x6c
 1459 12:19:54.605104  [   95.175567] softirqs last  enabled at (1088): [<c10c4774>] release_sock+0x8c/0xa8
 1460 12:19:54.605436  [   95.183078] softirqs last disabled at (1086): [<c10c4710>] release_sock+0x28/0xa8
 1461 12:19:54.605754  [   95.190592] CPU: 1 PID: 812 Comm: cat Tainted: G      D           5.10.162-cip23 #1
 1462 12:19:54.606067  [   95.198269] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 1463 12:19:54.647969  [   95.204815] Backtrace: 
 1464 12:19:54.648526  [   95.207319] [<c134ff48>] (dump_backtrace) from [<c1350308>] (show_stack+0x20/0x24)
 1465 12:19:54.648926  [   95.214918]  r7:ffffffff r6:600e0093 r5:00000000 r4:c1f0f6f8
 1466 12:19:54.649261  [   95.220613] [<c13502e8>] (show_stack) from [<c13574fc>] (dump_stack+0xe0/0x100)
 1467 12:19:54.649583  [   95.227967] [<c135741c>] (dump_stack) from [<c038e488>] (___might_sleep+0x1ac/0x2bc)
 1468 12:19:54.649907  [   95.235743]  r9:600e0093 r8:0000000b r7:c035bc18 r6:00000031 r5:c19c9360 r4:c6bba000
 1469 12:19:54.691273  [   95.243521] [<c038e2dc>] (___might_sleep) from [<c038e608>] (__might_sleep+0x70/0xb0)
 1470 12:19:54.691857  [   95.251375]  r6:00000000 r5:00000031 r4:c19c9360
 1471 12:19:54.692220  [   95.256040] [<c038e598>] (__might_sleep) from [<c036cf14>] (exit_signals+0x4c/0x3fc)
 1472 12:19:54.692560  [   95.263807]  r6:00000001 r5:c6bba000 r4:c6d16c00
 1473 12:19:54.692920  [   95.268470] [<c036cec8>] (exit_signals) from [<c035bc18>] (do_exit+0x100/0xb38)
 1474 12:19:54.693241  [   95.275809]  r8:0000000b r7:c1e0facc r6:ffffe000 r5:00000000 r4:c6d16c00
 1475 12:19:54.693549  [   95.282547] [<c035bb18>] (do_exit) from [<c030ea90>] (die+0x370/0x37c)
 1476 12:19:54.693855  [   95.289095]  r7:c1e0facc
 1477 12:19:54.734759  [   95.291660] [<c030e720>] (die) from [<c030ec0c>] (do_undefinstr+0x170/0x240)
 1478 12:19:54.735312  [   95.298741]  r10:00000004 r9:c6bba000 r8:c15e8704 r7:00000000 r6:c6bbbdc8 r5:c0c335c0
 1479 12:19:54.735677  [   95.306590]  r4:e7f001f2
 1480 12:19:54.736011  [   95.309159] [<c030ea9c>] (do_undefinstr) from [<c0300c6c>] (__und_svc_finish+0x0/0x54)
 1481 12:19:54.736335  [   95.317097] Exception stack(0xc6bbbdc8 to 0xc6bbbe10)
 1482 12:19:54.736647  [   95.322180] bdc0:                   c15e870c ef7965e0 481c8be2 c0c335ac 00000001 c5f93000
 1483 12:19:54.778123  [   95.330389] bde0: 00000004 c6bbbf60 c15e8704 c1accccc 00000004 c6bbbe64 c6bbbe68 c6bbbe58
 1484 12:19:54.778678  [   95.338590] be00: c0c33040 c0c335c0 a00e0013 ffffffff
 1485 12:19:54.779037  [   95.343668]  r7:c6bbbdfc r6:ffffffff r5:a00e0013 r4:c0c335c4
 1486 12:19:54.779370  [   95.349362] [<c0c335ac>] (lkdtm_BUG) from [<c0c33040>] (lkdtm_do_action+0x2c/0x4c)
 1487 12:19:54.779691  [   95.356965] [<c0c33014>] (lkdtm_do_action) from [<c0c33540>] (direct_entry+0x120/0x18c)
 1488 12:19:54.780005  [   95.365004] [<c0c33420>] (direct_entry) from [<c07e0650>] (full_proxy_write+0x64/0x94)
 1489 12:19:54.821509  [   95.372953]  r9:c6bbbf60 r8:c5357900 r7:00000004 r6:b6e46000 r5:c5811400 r4:c0c33420
 1490 12:19:54.822064  [   95.380731] [<c07e05ec>] (full_proxy_write) from [<c0598d04>] (vfs_write+0x10c/0x524)
 1491 12:19:54.822423  [   95.388592]  r9:c07e05ec r8:c6bbbf60 r7:c2816000 r6:b6e46000 r5:c5811400 r4:00000000
 1492 12:19:54.822756  [   95.396367] [<c0598bf8>] (vfs_write) from [<c0599298>] (ksys_write+0x74/0xec)
 1493 12:19:54.823072  [   95.403533]  r10:00000004 r9:00000000 r8:00000000 r7:b6e46000 r6:c6bba000 r5:c5811400
 1494 12:19:54.823385  [   95.411381]  r4:c5811400
 1495 12:19:54.823689  [   95.413948] [<c0599224>] (ksys_write) from [<c0599328>] (sys_write+0x18/0x1c)
 1496 12:19:54.874537  [   95.421113]  r9:c6bba000 r8:c03002e4 r7:00000004 r6:b6f8de00 r5:00000004 r4:00000004
 1497 12:19:54.875058  [   95.428888] [<c0599310>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 1498 12:19:54.875389  [   95.436479] Exception stack(0xc6bbbfa8 to 0xc6bbbff0)
 1499 12:19:54.875696  [   95.441560] bfa0:                   00000004 00000004 00000001 b6e46000 00000004 00000000
 1500 12:19:54.875992  [   95.449768] bfc0: 00000004 00000004 b6f8de00 00000004 00000001 00000000 00020000 be82ca64
 1501 12:19:54.876281  [   95.457970] bfe0: 00000004 be82c798 b6ef84cf b6e7e7e6
 1502 12:19:54.876563  # Segmentation fault
 1503 12:19:54.975617  # [   94.771409] lkdtm: Performing direct entry BUG
 1504 12:19:54.975825  # [   94.776181] ------------[ cut here ]------------
 1505 12:19:54.975961  # [   94.780820] kernel BUG at drivers/misc/lkdtm/bugs.c:76!
 1506 12:19:54.976087  # [   94.786070] Internal error: Oops - BUG: 0 [#1] SMP ARM
 1507 12:19:55.019182  # [   94.791231] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3
 1508 12:19:55.019683  # [   94.820524] CPU: 1 PID: 812 Comm: cat Not tainted 5.10.162-cip23 #1
 1509 12:19:55.019994  # [   94.826813] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 1510 12:19:55.020313  # [   94.833376] PC is at lkdtm_BUG+0x14/0x18
 1511 12:19:55.020601  # [   94.837328] LR is at lkdtm_do_action+0x2c/0x4c
 1512 12:19:55.020921  # [   94.841796] pc : [<c0c335c0>]    lr : [<c0c33040>]    psr: a00e0013
 1513 12:19:55.021197  # [   94.848084] sp : c6bbbe58  ip : c6bbbe68  fp : c6bbbe64
 1514 12:19:55.062030  # [   94.853332] r10: 00000004  r9 : c1accccc  r8 : c15e8704
 1515 12:19:55.062248  # [   94.858580] r7 : c6bbbf60  r6 : 00000004  r5 : c5f93000  r4 : 00000001
 1516 12:19:55.062363  # [   94.865128] r3 : c0c335ac  r2 : 481c8be2  r1 : ef7965e0  r0 : c15e870c
 1517 12:19:55.062466  # [   94.871681] Flags: NzCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 1518 12:19:55.062564  # [   94.878840] Control: 10c5387d  Table: 16ebc04a  DAC: 00000051
 1519 12:19:55.062661  # [   94.884612] Process cat (pid: 812, stack limit = 0xf1e0903f)
 1520 12:19:55.062755  # [   94.890295] Stack: (0xc6bbbe58 to 0xc6bbc000)
 1521 12:19:55.105109  # [   94.894680] be40:                                                       c6bbbe74 c6bbbe68
 1522 12:19:55.105639  # [   94.902891] be60: c0c33040 c0c335b8 c6bbbe9c c6bbbe78 c0c33540 c0c33020 c0c33420 c5811400
 1523 12:19:55.105964  # [   94.911099] be80: b6e46000 00000004 c5357900 c6bbbf60 c6bbbec4 c6bbbea0 c07e0650 c0c3342c
 1524 12:19:55.106266  # [   94.919307] bea0: 00000000 c5811400 b6e46000 c2816000 c6bbbf60 c07e05ec c6bbbf5c c6bbbec8
 1525 12:19:55.106554  # [   94.927515] bec0: c0598d04 c07e05f8 00000001 00000000 c0599298 c13732e0 c0599298 c6bba000
 1526 12:19:55.149201  # [   94.935725] bee0: b6e46000 00020000 00000004 00000004 0001fffc c6bbbee0 00000001 b6e45000
 1527 12:19:55.149730  # [   94.943932] bf00: c448c8c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 1528 12:19:55.150075  # [   94.952139] bf20: 00000000 00000000 c13732e0 481c8be2 c205c620 c5811400 c5811400 c6bba000
 1529 12:19:55.150393  # [   94.960346] bf40: b6e46000 00000000 00000000 00000004 c6bbbf94 c6bbbf60 c0599298 c0598c04
 1530 12:19:55.150692  # [   94.968556] bf60: 00000000 00000000 c6bbbfac 481c8be2 00000004 00000004 b6f8de00 00000004
 1531 12:19:55.193080  # [   94.976764] bf80: c03002e4 c6bba000 c6bbbfa4 c6bbbf98 c0599328 c0599230 00000000 c6bbbfa8
 1532 12:19:55.193598  # [   94.984972] bfa0: c03000c0 c059931c 00000004 00000004 00000001 b6e46000 00000004 00000000
 1533 12:19:55.193932  # [   94.993179] bfc0: 00000004 00000004 b6f8de00 00000004 00000001 00000000 00020000 be82ca64
 1534 12:19:55.194241  # [   95.001388] bfe0: 00000004 be82c798 b6ef84cf b6e7e7e6 800e0030 00000001 00000000 00000000
 1535 12:19:55.194536  # [   95.009582] Backtrace: 
 1536 12:19:55.194824  # [   95.012079] [<c0c335ac>] (lkdtm_BUG) from [<c0c33040>] (lkdtm_do_action+0x2c/0x4c)
 1537 12:19:55.237101  # [   95.019686] [<c0c33014>] (lkdtm_do_action) from [<c0c33540>] (direct_entry+0x120/0x18c)
 1538 12:19:55.237619  # [   95.027731] [<c0c33420>] (direct_entry) from [<c07e0650>] (full_proxy_write+0x64/0x94)
 1539 12:19:55.237950  # [   95.035683]  r9:c6bbbf60 r8:c5357900 r7:00000004 r6:b6e46000 r5:c5811400 r4:c0c33420
 1540 12:19:55.238257  # [   95.043469] [<c07e05ec>] (full_proxy_write) from [<c0598d04>] (vfs_write+0x10c/0x524)
 1541 12:19:55.238553  # [   95.051331]  r9:c07e05ec r8:c6bbbf60 r7:c2816000 r6:b6e46000 r5:c5811400 r4:00000000
 1542 12:19:55.238841  # [   95.059109] [<c0598bf8>] (vfs_write) from [<c0599298>] (ksys_write+0x74/0xec)
 1543 12:19:55.281349  # [   95.066275]  r10:00000004 r9:00000000 r8:00000000 r7:b6e46000 r6:c6bba000 r5:c5811400
 1544 12:19:55.281871  # [   95.074123]  r4:c5811400
 1545 12:19:55.282206  # [   95.076691] [<c0599224>] (ksys_write) from [<c0599328>] (sys_write+0x18/0x1c)
 1546 12:19:55.282515  # [   95.083858]  r9:c6bba000 r8:c03002e4 r7:00000004 r6:b6f8de00 r5:00000004 r4:00000004
 1547 12:19:55.282810  # [   95.091637] [<c0599310>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 1548 12:19:55.283101  # [   95.099228] Exception stack(0xc6bbbfa8 to 0xc6bbbff0)
 1549 12:19:55.325367  # [   95.104308] bfa0:                   00000004 00000004 00000001 b6e46000 00000004 00000000
 1550 12:19:55.325922  # [   95.112515] bfc0: 00000004 00000004 b6f8de00 00000004 00000001 00000000 00020000 be82ca64
 1551 12:19:55.326288  # [   95.120716] bfe0: 00000004 be82c798 b6ef84cf b6e7e7e6
 1552 12:19:55.326621  # [   95.125800] Code: e92dd800 e24cb004 e52de004 e8bd4000 (e7f001f2) 
 1553 12:19:55.326939  # [   95.131926] ---[ end trace 602be0240ace6245 ]---
 1554 12:19:55.327253  # [   95.136573] BUG: sleeping function called from inv[   95.909710] lkdtm: Performing direct entry WARNING
 1555 12:19:55.369327  alid context at include/linux/per[   95.914753] ------------[ cut here ]------------
 1556 12:19:55.369883  cpu-rwsem.h:49
 1557 12:19:55.370248  # [   95.145472] [   95.922527] WARNING: CPU: 1 PID: 883 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x48/0x4c
 1558 12:19:55.413418  in_atomic(): 0, irqs_disabled(): [   95.933599] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3
 1559 12:19:55.413992  128, non_block: 0, pid: 812, name[   95.965362] CPU: 1 PID: 883 Comm: cat Tainted: G      D W         5.10.162-cip23 #1
 1560 12:19:55.414375  : cat
 1561 12:19:55.414708  # [   95.153145] INFO: loc[   95.975768] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 1562 12:19:55.415031  kdep is turned off.
 1563 12:19:55.415341  # [   95.157[   95.985156] Backtrace: 
 1564 12:19:55.415645  086] irq event stamp: 1592
 1565 12:19:55.415956  # [  [   95.990479] [<c134ff48>] (dump_backtrace) from [<c1350308>] (show_stack+0x20/0x24)
 1566 12:19:55.457438   95.160445] hardirqs last  enable[   96.000895]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6f8
 1567 12:19:55.458002  d at (1591): [<c03d5060>] console[   96.009416] [<c13502e8>] (show_stack) from [<c13574fc>] (dump_stack+0xe0/0x100)
 1568 12:19:55.458377  _unlock+0x4b0/0x6c0
 1569 12:19:55.458713  # [   95.168[   96.019587] [<c135741c>] (dump_stack) from [<c03567a4>] (__warn+0xfc/0x16c)
 1570 12:19:55.459040  308] hardirqs last disabled at (1[   96.029404]  r9:00000009 r8:c0c3360c r7:00000053 r6:00000009 r5:c0c3360c r4:c1acd388
 1571 12:19:55.459370  592): [<c0300c60>] __und_svc+0x60[   96.040008] [<c03566a8>] (__warn) from [<c1351428>] (warn_slowpath_fmt+0x8c/0xa8)
 1572 12:19:55.459690  /0x6c
 1573 12:19:55.501446  # [   95.175567] softirqs [   96.050346]  r7:00000053 r6:c1acd388 r5:00000000 r4:c5c1a000
 1574 12:19:55.502003  last  enabled at (1088): [<c10c47[   96.058868] [<c13513a0>] (warn_slowpath_fmt) from [<c0c3360c>] (lkdtm_WARNING+0x48/0x4c)
 1575 12:19:55.502376  74>] release_sock+0x8c/0xa8
 1576 12:19:55.502718  # [ [   96.069817]  r9:c1acccd0 r8:c15e8704 r7:c5c1bf60 r6:00000008 r5:c5f93000 r4:00000002
 1577 12:19:55.503041    95.183078] softirqs last disabl[   96.080418] [<c0c335c4>] (lkdtm_WARNING) from [<c0c33040>] (lkdtm_do_action+0x2c/0x4c)
 1578 12:19:55.545430  ed at (1086): [<c10c4710>] releas[   96.091196] [<c0c33014>] (lkdtm_do_action) from [<c0c33540>] (direct_entry+0x120/0x18c)
 1579 12:19:55.545994  e_sock+0x28/0xa8
 1580 12:19:55.546359  # [   95.190592[   96.102064] [<c0c33420>] (direct_entry) from [<c07e0650>] (full_proxy_write+0x64/0x94)
 1581 12:19:55.546696  ] CPU: 1 PID: 812 Comm: cat Taint[   96.112834]  r9:c5c1bf60 r8:c5357900 r7:00000008 r6:b6e60000 r5:c5b17e00 r4:c0c33420
 1582 12:19:55.547020  ed: G      D           5.10.162-c[   96.123440] [<c07e05ec>] (full_proxy_write) from [<c0598d04>] (vfs_write+0x10c/0x524)
 1583 12:19:55.547338  ip23 #1
 1584 12:19:55.589426  # [   95.198269] Hardwar[   96.134124]  r9:c07e05ec r8:c5c1bf60 r7:c2816000 r6:b6e60000 r5:c5b17e00 r4:00000000
 1585 12:19:55.589986  e name: Freescale i.MX6 Quad/Dual[   96.144725] [<c0598bf8>] (vfs_write) from [<c0599298>] (ksys_write+0x74/0xec)
 1586 12:19:55.590356  Lite (Device Tree)
 1587 12:19:55.590685  # [   95.2048[   96.154720]  r10:00000004 r9:00000000 r8:00000000 r7:b6e60000 r6:c5c1a000 r5:c5b17e00
 1588 12:19:55.591008  15] Backtrace: 
 1589 12:19:55.591323  # [   95.207319][   96.165403]  r4:c5b17e00
 1590 12:19:55.633293   [<c134ff48>] (dump_backtrace) fr[   96.170803] [<c0599224>] (ksys_write) from [<c0599328>] (sys_write+0x18/0x1c)
 1591 12:19:55.633851  om [<c1350308>] (show_stack+0x20/[   96.180796]  r9:c5c1a000 r8:c03002e4 r7:00000004 r6:b6fa7e00 r5:00000008 r4:00000008
 1592 12:19:55.634221  0x24)
 1593 12:19:55.634566  # [   95.214918]  r7:fffff[   96.191402] [<c0599310>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 1594 12:19:55.634896  fff r6:600e[   96.201824] Exception stack(0xc5c1bfa8 to 0xc5c1bff0)
 1595 12:19:55.635211  [   96.207830] bfa0:                   00000008 00000008 00000001 b6e60000 00000008 00000000
 1596 12:19:55.676830  [   96.216015] bfc0: 00000008 00000008 b6fa7e00 00000004 00000001 00000000 00020000 bebefa64
 1597 12:19:55.677036  [   96.224199] bfe0: 00000004 bebef798 b6f124cf b6e987e6
 1598 12:19:55.677147  [   96.229298] irq event stamp: 0
 1599 12:19:55.677228  00[   96.232370] hardirqs last  enabled at (0): [<00000000>] 0x0
 1600 12:19:55.677305  [   96.238143] hardirqs last disabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974
 1601 12:19:55.677366  93 r5:00000000 r4:c1f0f6f8[   96.245641] softirqs last  enabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974
 1602 12:19:55.677454  
 1603 12:19:55.677512  [   96.255411] softirqs last disabled at (0): [<00000000>] 0x0
 1604 12:19:55.721164  # [   95.220613] [<c13502e8>] (sh[   96.261185] ---[ end trace 602be0240ace6246 ]---
 1605 12:19:55.721720  ow_stack) from [<c13574fc>] (dump_stack+0xe0/0x100)
 1606 12:19:55.722085  # [   95.227967] [<c135741c>] (dump_stack) from [<c038e488>] (___might_sleep+0x1ac/0x2bc)
 1607 12:19:55.722427  # [   95.235743]  r9:600e0093 r8:0000000b r7:c035bc18 r6:00000031 r5:c19c9360 r4:c6bba000
 1608 12:19:55.722752  # [   95.243521] [<c038e2dc>] (___might_sleep) from [<c038e608>] (__might_sleep+0x70/0xb0)
 1609 12:19:55.723067  # [   95.251375]  r6:00000000 r5:00000031 r4:c19c9360
 1610 12:19:55.723375  # [   95.256040] [<c038e598>] (__might_sleep) from [<c036cf14>] (exit_signals+0x4c/0x3fc)
 1611 12:19:55.765342  # [   95.263807]  r6:00000001 r5:c6bba000 r4:c6d16c00
 1612 12:19:55.765902  # [   95.268470] [<c036cec8>] (exit_signals) from [<c035bc18>] (do_exit+0x100/0xb38)
 1613 12:19:55.766269  # [   95.275809]  r8:0000000b r7:c1e0facc r6:ffffe000 r5:00000000 r4:c6d16c00
 1614 12:19:55.766609  # [   95.282547] [<c035bb18>] (do_exit) from [<c030ea90>] (die+0x370/0x37c)
 1615 12:19:55.766930  # [   95.289095]  r7:c1e0facc
 1616 12:19:55.767240  # [   95.291660] [<c030e720>] (die) from [<c030ec0c>] (do_undefinstr+0x170/0x240)
 1617 12:19:55.813127  # [   95.298741]  r10:00000004 r9:c6bba000 r8:c15e8704 r7:00000000 r6:c6bbbdc8 r5:c0c335c0
 1618 12:19:55.813682  # [   95.306590]  r4:e7f001f2
 1619 12:19:55.814042  # [   95.309159] [<c030ea9c>] (do_undefinstr) from [<c0300c6c>] (__und_svc_finish+0x0/0x54)
 1620 12:19:55.814378  # [   95.317097] Exception stack(0xc6bbbdc8 to 0xc6bbbe10)
 1621 12:19:55.814700  # [   95.322180] bdc0:                   c15e870c ef7965e0 481c8be2 c0c335ac 00000001 c5f93000
 1622 12:19:55.815019  # [   95.330389] bde0: 00000004 c6bbbf60 c15e8704 c1accccc 00000004 c6bbbe64 c6bbbe68 c6bbbe58
 1623 12:19:55.815328  # [   95.338590] be00: c0c33040 c0c335c0 a00e0013 ffffffff
 1624 12:19:55.857202  # [   95.343668]  r7:c6bbbdfc r6:ffffffff r5:a00e0013 r4:c0c335c4
 1625 12:19:55.857722  # [   95.349362] [<c0c335ac>] (lkdtm_BUG) from [<c0c33040>] (lkdtm_do_action+0x2c/0x4c)
 1626 12:19:55.858056  # [   95.356965] [<c0c33014>] (lkdtm_do_action) from [<c0c33540>] (direct_entry+0x120/0x18c)
 1627 12:19:55.858367  # [   95.365004] [<c0c33420>] (direct_entry) from [<c07e0650>] (full_proxy_write+0x64/0x94)
 1628 12:19:55.858662  # [   95.372953]  r9:c6bbbf60 r8:c5357900 r7:00000004 r6:b6e46000 r5:c5811400 r4:c0c33420
 1629 12:19:55.858979  # [   95.380731] [<c07e05ec>] (full_proxy_write) from [<c0598d04>] (vfs_write+0x10c/0x524)
 1630 12:19:55.901255  # [   95.388592]  r9:c07e05ec r8:c6bbbf60 r7:c2816000 r6:b6e46000 r5:c5811400 r4:00000000
 1631 12:19:55.901810  # [   95.396367] [<c0598bf8>] (vfs_write) from [<c0599298>] (ksys_write+0x74/0xec)
 1632 12:19:55.902175  # [   95.403533]  r10:00000004 r9:00000000 r8:00000000 r7:b6e46000 r6:c6bba000 r5:c5811400
 1633 12:19:55.902512  # [   95.411381]  r4:c5811400
 1634 12:19:55.902832  # [   95.413948] [<c0599224>] (ksys_write) from [<c0599328>] (sys_write+0x18/0x1c)
 1635 12:19:55.903147  # [   95.421113]  r9:c6bba000 r8:c03002e4 r7:00000004 r6:b6f8de00 r5:00000004 r4:00000004
 1636 12:19:55.945077  # [   95.428888] [<c0599310>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 1637 12:19:55.945630  # [   95.436479] Exception stack(0xc6bbbfa8 to 0xc6bbbff0)
 1638 12:19:55.945993  # [   95.441560] bfa0:                   00000004 00000004 00000001 b6e46000 00000004 00000000
 1639 12:19:55.946331  # [   95.449768] bfc0: 00000004 00000004 b6f8de00 00000004 00000001 00000000 00020000 be82ca64
 1640 12:19:55.946652  # [   95.457970] bfe0: 00000004 be82c798 b6ef84cf b6e7e7e6
 1641 12:19:55.946968  # BUG: saw 'kernel BUG at': ok
 1642 12:19:55.947272  ok 2 selftests: lkdtm: BUG.sh
 1643 12:19:55.947572  # selftests: lkdtm: WARNING.sh
 1644 12:19:55.989339  # [   95.909710] lkdtm: Performing direct entry WARNING
 1645 12:19:55.989853  # [   95.914753] ------------[ cut here ]------------
 1646 12:19:55.990220  # [   95.922527] WARNING: CPU: 1 PID: 883 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x48/0x4c
 1647 12:19:55.990557  # [   95.933599] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3
 1648 12:19:56.033294  # [   95.965362] CPU: 1 PID: 883 Comm: cat Tainted: G      D W         5.10.162-cip23 #1
 1649 12:19:56.033849  # [   95.975768] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 1650 12:19:56.034216  # [   95.985156] Backtrace: 
 1651 12:19:56.034548  # [   95.990479] [<c134ff48>] (dump_backtrace) from [<c1350308>] (show_stack+0x20/0x24)
 1652 12:19:56.034871  # [   96.000895]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6f8
 1653 12:19:56.035185  # [   96.009416] [<c13502e8>] (show_stack) from [<c13574fc>] (dump_stack+0xe0/0x100)
 1654 12:19:56.077335  # [   96.019587] [<c135741c>] (dump_stack) from [<c03567a4>] (__warn+0xfc/0x16c[   96.612650] lkdtm: Performing direct entry WARNING_MESSAGE
 1655 12:19:56.077893  )
 1656 12:19:56.078256  # [   96.029404]  r9:00000009 [   96.618875] ------------[ cut here ]------------
 1657 12:19:56.078590  r8:c0c3360c r7:00000053 r6:000000[   96.626279] WARNING: CPU: 1 PID: 918 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x4c/0x54
 1658 12:19:56.078913  09 r5:c0c3360c r4:c1acd388
 1659 12:19:56.079230  # [  [   96.638394] Warning message trigger count: 2
 1660 12:19:56.121171   96.040008] [<c03566a8>] (__warn)[   96.645413] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3
 1661 12:19:56.121744   from [<c1351428>] (warn_slowpath[   96.677174] CPU: 1 PID: 918 Comm: cat Tainted: G      D W         5.10.162-cip23 #1
 1662 12:19:56.122113  _fmt+0x8c/0xa8)
 1663 12:19:56.122451  # [   96.050346][   96.687639] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 1664 12:19:56.165455    r7:00000053 r6:c1acd388 r5:0000[   96.697036] Backtrace: 
 1665 12:19:56.166012  0000 r4:c5c1a000
 1666 12:19:56.166382  # [   96.058868[   96.702393] [<c134ff48>] (dump_backtrace) from [<c1350308>] (show_stack+0x20/0x24)
 1667 12:19:56.166715  ] [<c13513a0>] (warn_slowpath_fmt[   96.712808]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6f8
 1668 12:19:56.167038  ) from [<c0c3360c>] (lkdtm_WARNIN[   96.721343] [<c13502e8>] (show_stack) from [<c13574fc>] (dump_stack+0xe0/0x100)
 1669 12:19:56.167353  G+0x48/0x4c)
 1670 12:19:56.209440  # [   96.069817]  r[   96.731531] [<c135741c>] (dump_stack) from [<c03567a4>] (__warn+0xfc/0x16c)
 1671 12:19:56.210001  9:c1acccd0 r8:c15e8704 r7:c5c1bf6[   96.741351]  r9:00000009 r8:c0c3365c r7:00000058 r6:00000009 r5:c0c3365c r4:c1acd388
 1672 12:19:56.210375  0 r6:00000008 r5:c5f93000 r4:0000[   96.751974] [<c03566a8>] (__warn) from [<c1351428>] (warn_slowpath_fmt+0x8c/0xa8)
 1673 12:19:56.210724  0002
 1674 12:19:56.211049  # [   96.080418] [<c0c335c4[   96.762315]  r7:00000058 r6:c1acd388 r5:c1acd3a4 r4:c4736000
 1675 12:19:56.211367  >] (lkdtm_WARNING) from [<c0c3304[   96.770857] [<c13513a0>] (warn_slowpath_fmt) from [<c0c3365c>] (lkdtm_WARNING_MESSAGE+0x4c/0x54)
 1676 12:19:56.253481  0>] (lkdtm_do_action+0x2c/0x4c)
 1677 12:19:56.254039  [   96.782504]  r9:c1acccd8 r8:c15e8704 r7:c4737f60 r6:00000010 r5:c6be4000 r4:00000003
 1678 12:19:56.254406  # [   96.091196] [<c0c33014>] (lk[   96.793122] [<c0c33610>] (lkdtm_WARNING_MESSAGE) from [<c0c33040>] (lkdtm_do_action+0x2c/0x4c)
 1679 12:19:56.254749  dtm_do_action) from [<c0c33540>] [   96.804601] [<c0c33014>] (lkdtm_do_action) from [<c0c33540>] (direct_entry+0x120/0x18c)
 1680 12:19:56.255105  (direct_entry+0x120/0x18c)
 1681 12:19:56.255426  # [  [   96.815483] [<c0c33420>] (direct_entry) from [<c07e0650>] (full_proxy_write+0x64/0x94)
 1682 12:19:56.297463   96.102064] [<c0c33420>] (direct_[   96.826264]  r9:c4737f60 r8:c5357900 r7:00000010 r6:b6def000 r5:c5810280 r4:c0c33420
 1683 12:19:56.298020  entry) from [<c07e0650>] (full_pr[   96.836887] [<c07e05ec>] (full_proxy_write) from [<c0598d04>] (vfs_write+0x10c/0x524)
 1684 12:19:56.298385  oxy_write+0x64/0x94)
 1685 12:19:56.298722  # [   96.11[   96.847577]  r9:c07e05ec r8:c4737f60 r7:c2816000 r6:b6def000 r5:c5810280 r4:00000000
 1686 12:19:56.299047  2834]  r9:c5c1bf60 r8:c5357900 r7[   96.858194] [<c0598bf8>] (vfs_write) from [<c0599298>] (ksys_write+0x74/0xec)
 1687 12:19:56.341446  :00000008 r6:b6e60000 r5:c5b17e00[   96.868197]  r10:00000004 r9:00000000 r8:00000000 r7:b6def000 r6:c4736000 r5:c5810280
 1688 12:19:56.342010   r4:c0c33420
 1689 12:19:56.342377  # [   96.123440] [<[   96.878889]  r4:c5810280
 1690 12:19:56.342714  c07e05ec>] (full_proxy_write) fro[   96.884308] [<c0599224>] (ksys_write) from [<c0599328>] (sys_write+0x18/0x1c)
 1691 12:19:56.343040  m [<c0598d04>] (vfs_write+0x10c/0[   96.894309]  r9:c4736000 r8:c03002e4 r7:00000004 r6:b6f36e00 r5:00000010 r4:00000010
 1692 12:19:56.343358  x524)
 1693 12:19:56.385442  # [   96.134124]  r9:c07e0[   96.904929] [<c0599310>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 1694 12:19:56.385998  5ec r8:c5c1bf60 r7:c2816000 r6:b6[   96.915356] Exception stack(0xc4737fa8 to 0xc4737ff0)
 1695 12:19:56.386372  e60000 r5:c5b17e00 r4:00000000
 1696 12:19:56.386705  #[   96.923287] 7fa0:                   00000010 00000010 00000001 b6def000 00000010 00000000
 1697 12:19:56.387030   [   96.144725] [<c0598bf8>] (vfs[   96.934338] 7fc0: 00000010 00000010 b6f36e00 00000004 00000001 00000000 00020000 bee9ea64
 1698 12:19:56.387347  _write) from [<c0599298>] (ksys_w[   96.945377] 7fe0: 00000004 bee9e798 b6ea14cf b6e277e6
 1699 12:19:56.387653  rite+0x74/0xec)
 1700 12:19:56.432930  # [   96.154720][   96.953479] irq event stamp: 0
 1701 12:19:56.433103    r10:00000004 r9:00000000 r8:000[   96.959294] hardirqs last  enabled at (0): [<00000000>] 0x0
 1702 12:19:56.433180  00000 r7:b6e60000 r6:c5c1a000 r5:[   96.967760] hardirqs last disabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974
 1703 12:19:56.433255  c5b17e00
 1704 12:19:56.433323  # [   96.165403]  r4:c5[   96.978124] softirqs last  enabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974
 1705 12:19:56.433391  b17e00
 1706 12:19:56.433454  # [   96.170803] [<c05992[   96.988500] softirqs last disabled at (0): [<00000000>] 0x0
 1707 12:19:56.477374  24>] (ksys_write) from [<c0599328[   96.996942] ---[ end trace 602be0240ace6247 ]---
 1708 12:19:56.477939  >] (sys_write+0x18/0x1c)
 1709 12:19:56.478296  # [   96.180796]  r9:c5c1a000 r8:c03002e4 r7:00000004 r6:b6fa7e00 r5:00000008 r4:00000008
 1710 12:19:56.478657  # [   96.191402] [<c0599310>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 1711 12:19:56.478982  # [   96.201824] Exception stack(0xc5c1bfa8 to 0xc5c1bff0)
 1712 12:19:56.479295  # [   96.207830] bfa0:                   00000008 00000008 00000001 b6e60000 00000008 00000000
 1713 12:19:56.521355  # [   96.216015] bfc0: 00000008 00000008 b6fa7e00 00000004 00000001 00000000 00020000 bebefa64
 1714 12:19:56.521911  # [   96.224199] bfe0: 00000004 bebef798 b6f124cf b6e987e6
 1715 12:19:56.522275  # [   96.229298] irq event stamp: 0
 1716 12:19:56.522611  # [   96.232370] hardirqs last  enabled at (0): [<00000000>] 0x0
 1717 12:19:56.522933  # [   96.238143] hardirqs last disabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974
 1718 12:19:56.523247  # [   96.245641] softirqs last  enabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974
 1719 12:19:56.523551  # [   96.255411] softirqs last disabled at (0): [<00000000>] 0x0
 1720 12:19:56.523854  # [   96.261185] ---[ end trace 602be0240ace6246 ]---
 1721 12:19:56.565348  # WARNING: saw 'WARNING:': ok
 1722 12:19:56.565900  ok 3 selftests: lkdtm: WARNING.sh
 1723 12:19:56.566266  # selftests: lkdtm: WARNING_MESSAGE.sh
 1724 12:19:56.566603  # [   96.612650] lkdtm: Performing direct entry WARNING_MESSAGE
 1725 12:19:56.566924  # [   96.618875] ------------[ cut here ]------------
 1726 12:19:56.567241  # [   96.626279] WARNING: CPU: 1 PID: 918 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x4c/0x54
 1727 12:19:56.567551  # [   96.638394] Warning message trigger count: 2
 1728 12:19:56.609069  # [   96.645413] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3
 1729 12:19:56.609599  # [   96.677174] CPU: 1 PID: 918 Comm: cat Tainted: G      D W         5.10.162-cip23 #1
 1730 12:19:56.609953  # [   96.687639] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 1731 12:19:56.610291  # [   96.697036] Backtrace: 
 1732 12:19:56.610615  # [   96.702393] [<c134ff48>] (dump_backtrace) from [<c1350308>] (show_stack+0x20/0x24)
 1733 12:19:56.653253  # [   96.712808]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6f8
 1734 12:19:56.653811  # [   96.721343] [<c13502e8>] (show_stack) from [<c13574fc>] (dump_stack+0xe0/0x100)
 1735 12:19:56.654195  # [   96.731531] [<c135741c>] (dump_stack) from [<c03567a4>] (__warn+0xfc/0x16c)
 1736 12:19:56.654538  # [   96.741351]  r9:00000009 r8:c0c3365c r7:00000058 r6:00000009 r5:c0c3365c r4:c1acd388
 1737 12:19:56.654864  # [   96.751974] [<c03566a8>] (__warn) from [<c1351428>] (warn_slowpath_fmt+0x8c/0xa8)
 1738 12:19:56.655179  # [   96.762315]  r7:00000058 r6:c1acd388 r5:c1acd3a4 r4:c4736000
 1739 12:19:56.697092  # [   96.770857] [<c13513a0>] (warn_slowpath_fmt) from [<c0c3365c>] (lkdtm_WARNING_MESSAGE+0x4c/0x54)
 1740 12:19:56.697652  # [   96.782504]  r9:c1acccd8 r8:c15e8704 r7:c4737f60 r6:00000010 r5:c6be4000 r4:00000003
 1741 12:19:56.698013  # [   96.793122] [<c0c33610>] (lkdtm_WARNING_MESSAGE) from [<c0c33040>] (lkdtm_do_action+0x2c/0x4c)
 1742 12:19:56.698346  # [   96.804601] [<c0c33014>] (lkdtm_do_action) from [<c0c33540>] (direct_entry+0x120/0x18c)
 1743 12:19:56.698670  # [   96.815483] [<c0c33420>] (direct_entry) from [<c07e0650>] (full_proxy_write+0x64/0x94)
 1744 12:19:56.741142  # [   96.826264]  r9:c4737f60 r8:c5357900 r7:00000010 r6:b6def000 r5:c5810280 r4:c0c33420
 1745 12:19:56.741710  # [   96.836887] [<c07e05ec>] (full_proxy_write) from [<c0598d04>] (vfs_write+0x10c/0x524)
 1746 12:19:56.742090  # [   96.847577]  r9:c07e05ec r8:c4737f60 r7:c2816000 r6:b6def000 r5:c5810280 r4:00000000
 1747 12:19:56.742456  # [   96.858194] [<c0598bf8>] (vfs_write) from [<c0599298>] (ksys_write+0x74/0xec)
 1748 12:19:56.742790  # [   96.868197]  r10:00000004 r9:00000000 r8:00000000 r7:b6def000 r6:c4736000 r5:c5810280
 1749 12:19:56.743106  # [   96.878889]  r4:c5810280
 1750 12:19:56.785283  # [   96.884308] [<c0599224>] (ksys_write) from [<c0599328>] (sys_write+0x18/0x1c)
 1751 12:19:56.785860  # [   96.894309]  r9:c4736000 r8:c03002e4 r7:00000004 r6:b6f36e00 r5:00000010 r4:00000010
 1752 12:19:56.786242  # [   96.904929] [<c0599310>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 1753 12:19:56.786578  # [   96.915356] Exception stack(0xc4737fa8 to 0xc4737ff0)
 1754 12:19:56.786900  # [   96.923287] 7fa0:                   00000010 00000010 00000001 b6def000 00000010 00000000
 1755 12:19:56.787216  # [   96.934338] 7fc0: 00000010 00000010 b6f36e00 00000004 00000001 00000000 00020000 bee9ea64
 1756 12:19:56.829439  # [   96.945377] 7fe0: 00000004 bee9e798 b6ea14cf b6e277e6
 1757 12:19:56.830013  # [   96.953479] irq event s[   97.346749] lkdtm: Performing direct entry EXCEPTION
 1758 12:19:56.830390  tamp: 0
 1759 12:19:56.830723  # [   96.959294] hardirq[   97.354044] 8<--- cut here ---
 1760 12:19:56.831046  s last  enabled at (0): [<0000000[   97.360080] Unable to handle kernel NULL pointer dereference at virtual address 00000000
 1761 12:19:56.831368  0>] 0x0
 1762 12:19:56.831679  # [   96.967760] hardirq[   97.371026] pgd = 52d289ad
 1763 12:19:56.831987  s last disabled at (0): [<c0353d0[   97.376612] [00000000] *pgd=00000000
 1764 12:19:56.832292  4>] copy_process+0x5f8/0x1974
 1765 12:19:56.873127  # [   97.383053] Internal error: Oops: 805 [#2] SMP ARM
 1766 12:19:56.873688  [   97.390669] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3
 1767 12:19:56.874068  [   97.419747] CPU: 0 PID: 950 Comm: cat Tainted: G      D W         5.10.162-cip23 #1
 1768 12:19:56.917218  [   97.427411] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 1769 12:19:56.917773  [   97.433956] PC is at lkdtm_EXCEPTION+0x18/0x20
 1770 12:19:56.918140  [   97.438412] LR is at lkdtm_do_action+0x2c/0x4c
 1771 12:19:56.918477  [   97.442865] pc : [<c0c3367c>]    lr : [<c0c33040>]    psr: a00e0013
 1772 12:19:56.918802  [   97.449138] sp : c69d3e58  ip : c69d3e68  fp : c69d3e64
 1773 12:19:56.919118  [   97.454371] r10: 0000000a  r9 : c1accce8  r8 : c15e8704
 1774 12:19:56.919425  [   97.459603] r7 : c69d3f60  r6 : 0000000a  r5 : c6b13000  r4 : 00000004
 1775 12:19:56.919731  [   97.466138] r3 : 00000000  r2 : 6e8a0e85  r1 : ef7815e0  r0 : c15e8724
 1776 12:19:56.920031  [   97.472674] Flags: NzCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 1777 12:19:56.920328  [   97.479817] Control: 10c5387d  Table: 16e3804a  DAC: 00000051
 1778 12:19:56.920625  [   97.485573] Process cat (pid: 950, stack limit = 0x4c6e9b10)
 1779 12:19:56.920958  [   97.491239] Stack: (0xc69d3e58 to 0xc69d4000)
 1780 12:19:56.921254  [   97.495608] 3e40:                                                       c69d3e74 c69d3e68
 1781 12:19:56.921547  [   97.503796] 3e60: c0c33040 c0c33670 c69d3e9c c69d3e78 c0c33540 c0c33020 c0c33420 c5811a40
 1782 12:19:56.961376  [   97.511985] 3e80: b6e8b000 0000000a c5357900 c69d3f60 c69d3ec4 c69d3ea0 c07e0650 c0c3342c
 1783 12:19:56.961937  [   97.520175] 3ea0: 00000000 c5811a40 b6e8b000 c2816000 c69d3f60 c07e05ec c69d3f5c c69d3ec8
 1784 12:19:56.962301  [   97.528365] 3ec0: c0598d04 c07e05f8 00000001 00000000 c0599298 c13732e0 c0599298 c69d2000
 1785 12:19:56.962637  [   97.536554] 3ee0: b6e8b000 00020000 00000004 0000000a 0001fff6 c69d3ee0 00000001 b6e8a000
 1786 12:19:56.962959  [   97.544742] 3f00: c5a7f540 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 1787 12:19:57.002934  [   97.552931] 3f20: 00000000 00000000 c13732e0 6e8a0e85 c205c620 c5811a40 c5811a40 c69d2000
 1788 12:19:57.003493  [   97.561121] 3f40: b6e8b000 00000000 00000000 00000004 c69d3f94 c69d3f60 c0599298 c0598c04
 1789 12:19:57.003856  [   97.569310] 3f60: 00000000 00000000 c69d3fac 6e8a0e85 0000000a 0000000a b6fd2e00 00000004
 1790 12:19:57.004194  [   97.577498] 3f80: c03002e4 c69d2000 c69d3fa4 c69d3f98 c0599328 c0599230 00000000 c69d3fa8
 1791 12:19:57.004517  [   97.585688] 3fa0: c03000c0 c059931c 0000000a 0000000a 00000001 b6e8b000 0000000a 00000000
 1792 12:19:57.004891  [   97.593877] 3fc0: 0000000a 0000000a b6fd2e00 00000004 00000001 00000000 00020000 bef81a64
 1793 12:19:57.046189  [   97.602065] 3fe0: 00000004 bef81798 b6f3d4cf b6ec37e6 800e0030 00000001 00000000 00000000
 1794 12:19:57.046744  [   97.610247] Backtrace: 
 1795 12:19:57.047104  [   97.612716] [<c0c33664>] (lkdtm_EXCEPTION) from [<c0c33040>] (lkdtm_do_action+0x2c/0x4c)
 1796 12:19:57.047441  [   97.620821] [<c0c33014>] (lkdtm_do_action) from [<c0c33540>] (direct_entry+0x120/0x18c)
 1797 12:19:57.047763  [   97.628845] [<c0c33420>] (direct_entry) from [<c07e0650>] (full_proxy_write+0x64/0x94)
 1798 12:19:57.048079  [   97.636775]  r9:c69d3f60 r8:c5357900 r7:0000000a r6:b6e8b000 r5:c5811a40 r4:c0c33420
 1799 12:19:57.089347  [   97.644539] [<c07e05ec>] (full_proxy_write) from [<c0598d04>] (vfs_write+0x10c/0x524)
 1800 12:19:57.089905  [   97.652381]  r9:c07e05ec r8:c69d3f60 r7:c2816000 r6:b6e8b000 r5:c5811a40 r4:00000000
 1801 12:19:57.090270  [   97.660137] [<c0598bf8>] (vfs_write) from [<c0599298>] (ksys_write+0x74/0xec)
 1802 12:19:57.090605  [   97.667285]  r10:00000004 r9:00000000 r8:00000000 r7:b6e8b000 r6:c69d2000 r5:c5811a40
 1803 12:19:57.090929  [   97.675122]  r4:c5811a40
 1804 12:19:57.091240  [   97.677671] [<c0599224>] (ksys_write) from [<c0599328>] (sys_write+0x18/0x1c)
 1805 12:19:57.133213  [   97.684818]  r9:c69d2000 r8:c03002e4 r7:00000004 r6:b6fd2e00 r5:0000000a r4:0000000a
 1806 12:19:57.133767  [   97.692576] [<c0599310>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 1807 12:19:57.134135  [   97.700152] Exception stack(0xc69d3fa8 to 0xc69d3ff0)
 1808 12:19:57.134472  [   97.705215] 3fa0:                   0000000a 0000000a 00000001 b6e8b000 0000000a 00000000
 1809 12:19:57.134834  [   97.713403] 3fc0: 0000000a 0000000a b6fd2e00 00000004 00000001 00000000 00020000 bef81a64
 1810 12:19:57.135171  [   97.721589] 3fe0: 00000004 bef81798 b6f3d4cf b6ec37e6
 1811 12:19:57.135482  [   97.726653] Code: e24cb004 e52de004 e8bd4000 e3a03000 (e5833000) 
 1812 12:19:57.179280  [   96.978124] softirqs last  ena[   97.732832] ---[ end trace 602be0240ace6248 ]---
 1813 12:19:57.179467  bled at (0): [<c0353d04>] copy_process+0x5f8/0x1974
 1814 12:19:57.179572  # [   96.988500] softirqs last disabled at (0): [<00000000>] 0x0
 1815 12:19:57.179643  # [   96.996942] ---[ end trace 602be0240ace6247 ]---
 1816 12:19:57.179735  # WARNING_MESSAGE: saw 'message trigger': ok
 1817 12:19:57.179801  ok 4 selftests: lkdtm: WARNING_MESSAGE.sh
 1818 12:19:57.179861  # selftests: lkdtm: EXCEPTION.sh
 1819 12:19:57.179922  # Segmentation fault
 1820 12:19:57.255287  # [   97.346749] lkdtm: Performing direct entry EXCEPTION
 1821 12:19:57.255481  # [   97.354044] 8<--- cut here ---
 1822 12:19:57.255555  # [   97.360080] Unable to handle kernel NULL pointer dereference at virtual address 00000000
 1823 12:19:57.255622  # [   97.371026] pgd = 52d289ad
 1824 12:19:57.255702  # [   97.376612] [00000000] *pgd=00000000
 1825 12:19:57.255788  # [   97.383053] Internal error: Oops: 805 [#2] SMP ARM
 1826 12:19:57.299059  # [   97.390669] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3
 1827 12:19:57.299591  # [   97.419747] CPU: 0 PID: 950 Comm: cat Tainted: G      D W         5.10.162-cip23 #1
 1828 12:19:57.299929  # [   97.427411] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 1829 12:19:57.300239  # [   97.433956] PC is at lkdtm_EXCEPTION+0x18/0x20
 1830 12:19:57.300540  # [   97.438412] LR is at lkdtm_do_action+0x2c/0x4c
 1831 12:19:57.342116  # [   97.442865] pc : [<c0c3367c>]    lr : [<c0c33040>]    psr: a00e0013
 1832 12:19:57.342671  # [   97.449138] sp : c69d3e58  ip : c69d3e68  fp : c69d3e64
 1833 12:19:57.343035  # [   97.454371] r10: 0000000a  r9 : c1accce8  r8 : c15e8704
 1834 12:19:57.343369  # [   97.459603] r7 : c69d3f60  r6 : 0000000a  r5 : c6b13000  r4 : 00000004
 1835 12:19:57.343696  # [   97.466138] r3 : 00000000  r2 : 6e8a0e85  r1 : ef7815e0  r0 : c15e8724
 1836 12:19:57.344010  # [   97.472674] Flags: NzCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 1837 12:19:57.344317  # [   97.479817] Control: 10c5387d  Table: 16e3804a  DAC: 00000051
 1838 12:19:57.389196  # [   97.485573] Process cat (pid: 950, stack limit = 0x4c6e9b10)
 1839 12:19:57.389719  # [   97.491239] Stack: (0xc69d3e58 to 0xc69d4000)
 1840 12:19:57.390092  # [   97.495608] 3e40:                                                       c69d3e74 c69d3e68
 1841 12:19:57.390407  # [   97.503796] 3e60: c0c33040 c0c33670 c69d3e9c c69d3e78 c0c33540 c0c33020 c0c33420 c5811a40
 1842 12:19:57.390726  # [   97.511985] 3e80: b6e8b000 0000000a c5357900 c69d3f60 c69d3ec4 c69d3ea0 c07e0650 c0c3342c
 1843 12:19:57.391021  # [   97.520175] 3ea0: 00000000 c5811a40 b6e8b000 c2816000 c69d3f60 c07e05ec c69d3f5c c69d3ec8
 1844 12:19:57.433231  # [   97.528365] 3ec0: c0598d04 c07e05f8 00000001 00000000 c0599298 c13732e0 c0599298 c69d2000
 1845 12:19:57.433819  # [   97.536554] 3ee0: b6e8b000 00020000 00000004 0000000a 0001fff6 c69d3ee0 00000001 b6e8a000
 1846 12:19:57.434194  # [   97.544742] 3f00: c5a7f540 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 1847 12:19:57.434530  # [   97.552931] 3f20: 00000000 00000000 c13732e0 6e8a0e85 c205c620 c5811a40 c5811a40 c69d2000
 1848 12:19:57.434878  # [   97.561121] 3f40: b6e8b000 00000000 00000000 00000004 c69d3f94 c69d3f60 c0599298 c0598c04
 1849 12:19:57.477237  # [   97.569310] 3f60: 00000000 00000000 c69d3fac 6e8a0e85 0000000a 0000000a b6fd2e00 00000004
 1850 12:19:57.477797  # [   97.577498] 3f80: c03002e4 c69d2000 c69d3fa4 c69d3f98 c0599328 c0599230 00000000 c69d3fa8
 1851 12:19:57.478168  # [   97.585688] 3fa0: c03000c0 c059931c 0000000a 0000000a 00000001 b6e8b000 0000000a 00000000
 1852 12:19:57.478500  # [   97.593877] 3fc0: 0000000a 0000000a b6fd2e00 00000004 00000001 00000000 00020000 bef81a64
 1853 12:19:57.478848  # [   97.602065] 3fe0: 00000004 bef81798 b6f3d4cf b6ec37e6 800e0030 00000001 00000000 00000000
 1854 12:19:57.479167  # [   97.610247] Backtrace: 
 1855 12:19:57.521236  # [   97.612716] [<c0c33664>] (lkdtm_EXCEPTION) from [<c0c33040>] (lkdtm_do_action+0x2c/0x4c)
 1856 12:19:57.521796  # [   97.620821] [<c0c33014>] (lkdtm_do_action) from [<c0c33540>] (direct_entry+0x120/0x18c)
 1857 12:19:57.522161  # [   97.628845] [<c0c33420>] (direct_entry) from [<c07e0650>] (full_proxy_write+0x64/0x94)
 1858 12:19:57.522497  # [   97.636775]  r9:c69d3f60 r8:c5357900 r7:0000000a r6:b6e8b000 r5:c5811a40 r4:c0c33420
 1859 12:19:57.522818  # [   97.644539] [<c07e05ec>] (full_proxy_write) from [<c0598d04>] (vfs_write+0x10c/0x524)
 1860 12:19:57.565237  # [   97.652381]  r9:c07e05ec r8:c69d3f60 r7:c2816000 r6:b6e8b000 r5:c5811a40 r4:00000000
 1861 12:19:57.565820  # [   97.660137] [<c0598bf8>] (vfs_write) from [<c0599298>] (ksys_write+0x74/0xec)
 1862 12:19:57.566186  # [   97.667285]  r10:00000004 r9:00000000 r8:00000000 r7:b6e8b000 r6:c69d2000 r5:c5811a40
 1863 12:19:57.566537  # [   97.675122]  r4:c5811a40
 1864 12:19:57.566869  # [   97.677671] [<c0599224>] (ksys_write) from [<c0599328>] (sys_write+0x18/0x1c)
 1865 12:19:57.567265  # [   97.684818]  r9:c69d2000 r8:c03002e4 r7:00000004 r6:b6fd2e00 r5:0000000a r4:0000000a
 1866 12:19:57.567587  # [   97.692576] [<c0599310>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 1867 12:19:57.609145  # [   97.700152] Exception stack(0xc69d3fa8 to 0xc69d3ff0)
 1868 12:19:57.609660  # [   97.705215] 3fa0:                   0000000a 0000000a 00000001 b6e8b000 0000000a 00000000
 1869 12:19:57.610037  # [   97.713403] 3fc0: 0000000a 0000000a b6fd2e00 00000004 00000001 00000000 00020000 bef81a64
 1870 12:19:57.610373  # [   97.721589] 3fe0: 00000004 bef81798 b6f3d4cf b6ec37e6
 1871 12:19:57.610694  # [   97.726653] Code: e24cb004 e52de004 e8bd4000 e3a03000 (e5833000) 
 1872 12:19:57.611006  # [   97.732832] ---[ end trace 602be0240ace6248 ]---
 1873 12:19:57.611314  # EXCEPTION: missing 'call trace:': [FAIL]
 1874 12:19:57.653246  not ok 5 selftests: lkdtm: EXCEPTION.sh # exit=1
 1875 12:19:57.653816  # selftests: lkdtm: LOOP.sh
 1876 12:19:57.654216  # Skipping LOOP: Hangs the system
 1877 12:19:57.654554  ok 6 selftests: lkdtm: LOOP.sh # SKIP
 1878 12:19:57.654900  # selftests: lkdtm: EXHAUST_STACK.sh
 1879 12:19:57.715603  # Skipping EXHAUST_STACK: Corrupts memory on failure
 1880 12:19:57.716157  ok 7 selftests: lkdtm: EXHAUST_STACK.sh # SKIP
 1881 12:19:57.731630  # selftests: lkdtm: CORRUPT_STACK.sh
 1882 12:19:57.901932  # Skipping CORRUPT_STACK: Crashes entire system on success
 1883 12:19:57.902476  ok 8 selftests: lkdtm: CORRUPT_STACK.sh # SKIP
 1884 12:19:57.918175  # selftests: lkdtm: CORRUPT_STACK_STRONG.sh
 1885 12:19:58.087826  # Skipping CORRUPT_STACK_STRONG: Crashes entire system on success
 1886 12:19:58.088405  ok 9 selftests: lkdtm: CORRUPT_STACK_STRONG.sh # SKIP
 1887 12:19:58.103614  # selftests: lkdtm: CORRUPT_LIST_ADD.sh
 1888 12:19:58.343144  [   98.912256] lkdtm: Performing direct entry CORRUPT_LIST_ADD
 1889 12:19:58.343735  [   98.918002] lkdtm: attempting good list addition
 1890 12:19:58.344101  [   98.922662] lkdtm: attempting corrupted list addition
 1891 12:19:58.344437  [   98.927790] lkdtm: list_add() corruption not detected!
 1892 12:19:58.428047  # [   98.912256] lkdtm: Performing direct entry CORRUPT_LIST_ADD
 1893 12:19:58.428601  # [   98.918002] lkdtm: attempting good list addition
 1894 12:19:58.428993  # [   98.922662] lkdtm: attempting corrupted list addition
 1895 12:19:58.429329  # [   98.927790] lkdtm: list_add() corruption not detected!
 1896 12:19:58.429652  # CORRUPT_LIST_ADD: missing 'list_add corruption': [FAIL]
 1897 12:19:58.443950  not ok 10 selftests: lkdtm: CORRUPT_LIST_ADD.sh # exit=1
 1898 12:19:58.475923  # selftests: lkdtm: CORRUPT_LIST_DEL.sh
 1899 12:19:58.691917  [   99.262113] lkdtm: Performing direct entry CORRUPT_LIST_DEL
 1900 12:19:58.692085  [   99.267831] lkdtm: attempting good list removal
 1901 12:19:58.692158  [   99.272400] lkdtm: attempting corrupted list removal
 1902 12:19:58.692230  [   99.277451] lkdtm: list_del() corruption not detected!
 1903 12:19:58.764375  # [   99.262113] lkdtm: Performing direct entry CORRUPT_LIST_DEL
 1904 12:19:58.764977  # [   99.267831] lkdtm: attempting good list removal
 1905 12:19:58.765365  # [   99.272400] lkdtm: attempting corrupted list removal
 1906 12:19:58.765715  # [   99.277451] lkdtm: list_del() corruption not detected!
 1907 12:19:58.780358  # CORRUPT_LIST_DEL: missing 'list_del corruption': [FAIL]
 1908 12:19:58.796173  not ok 11 selftests: lkdtm: CORRUPT_LIST_DEL.sh # exit=1
 1909 12:19:58.828209  # selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh
 1910 12:19:59.041150  [   99.611238] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING
 1911 12:19:59.041329  [   99.617620] lkdtm: attempting bad read from page below current stack
 1912 12:19:59.041417  [   99.623983] lkdtm: FAIL: accessed page before stack! (byte: 0)
 1913 12:19:59.114318  # [   99.611238] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING
 1914 12:19:59.114839  # [   99.617620] lkdtm: attempting bad read from page below current stack
 1915 12:19:59.115172  # [   99.623983] lkdtm: FAIL: accessed page before stack! (byte: 0)
 1916 12:19:59.130512  # STACK_GUARD_PAGE_LEADING: missing 'call trace:': [FAIL]
 1917 12:19:59.160519  not ok 12 selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh # exit=1
 1918 12:19:59.176478  # selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh
 1919 12:19:59.393321  [   99.964489] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING
 1920 12:19:59.393482  [   99.970957] lkdtm: attempting bad read from page above current stack
 1921 12:19:59.393551  [   99.977363] lkdtm: FAIL: accessed page after stack! (byte: 6c)
 1922 12:19:59.473603  # [   99.964489] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING
 1923 12:19:59.474163  # [   99.970957] lkdtm: attempting bad read from page above current stack
 1924 12:19:59.474526  # [   99.977363] lkdtm: FAIL: accessed page after stack! (byte: 6c)
 1925 12:19:59.489598  # STACK_GUARD_PAGE_TRAILING: missing 'call trace:': [FAIL]
 1926 12:19:59.520750  not ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # exit=1
 1927 12:19:59.536749  # selftests: lkdtm: UNSET_SMEP.sh
 1928 12:19:59.757032  [  100.337831] lkdtm: Performing direct entry UNSET_SMEP
 1929 12:19:59.757615  [  100.342904] lkdtm: XFAIL: this test is x86_64-only
 1930 12:19:59.825958  # [  100.337831] lkdtm: Performing direct entry UNSET_SMEP
 1931 12:19:59.826512  # [  100.342904] lkdtm: XFAIL: this test is x86_64-only
 1932 12:19:59.841806  # UNSET_SMEP: saw 'XFAIL': [SKIP]
 1933 12:19:59.873838  ok 14 selftests: lkdtm: UNSET_SMEP.sh # SKIP
 1934 12:19:59.889910  # selftests: lkdtm: DOUBLE_FAULT.sh
 1935 12:20:00.093267  [  100.673134] lkdtm: Performing direct entry DOUBLE_FAULT
 1936 12:20:00.093780  [  100.678524] lkdtm: XFAIL: this test is ia32-only
 1937 12:20:00.161896  # [  100.673134] lkdtm: Performing direct entry DOUBLE_FAULT
 1938 12:20:00.162220  # [  100.678524] lkdtm: XFAIL: this test is ia32-only
 1939 12:20:00.178052  # DOUBLE_FAULT: saw 'XFAIL': [SKIP]
 1940 12:20:00.210189  ok 15 selftests: lkdtm: DOUBLE_FAULT.sh # SKIP
 1941 12:20:00.242101  # selftests: lkdtm: CORRUPT_PAC.sh
 1942 12:20:00.438656  [  101.017219] lkdtm: Performing direct entry CORRUPT_PAC
 1943 12:20:00.439203  [  101.022378] lkdtm: XFAIL: this test is arm64-only
 1944 12:20:00.507533  # [  101.017219] lkdtm: Performing direct entry CORRUPT_PAC
 1945 12:20:00.508082  # [  101.022378] lkdtm: XFAIL: this test is arm64-only
 1946 12:20:00.523525  # CORRUPT_PAC: saw 'XFAIL': [SKIP]
 1947 12:20:00.555433  ok 16 selftests: lkdtm: CORRUPT_PAC.sh # SKIP
 1948 12:20:00.571445  # selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh
 1949 12:20:00.788767  [  101.362248] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE
 1950 12:20:00.789312  [  101.368776] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS
 1951 12:20:00.849731  # [  101.362248] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE
 1952 12:20:00.850281  # [  101.368776] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS
 1953 12:20:00.865553  # UNALIGNED_LOAD_STORE_WRITE: saw 'XFAIL': [SKIP]
 1954 12:20:00.897451  ok 17 selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh # SKIP
 1955 12:20:00.913546  # selftests: lkdtm: OVERWRITE_ALLOCATION.sh
 1956 12:20:01.073394  # Skipping OVERWRITE_ALLOCATION: Corrupts memory on failure
 1957 12:20:01.089093  ok 18 selftests: lkdtm: OVERWRITE_ALLOCATION.sh # SKIP
 1958 12:20:01.105124  # selftests: lkdtm: WRITE_AFTER_FREE.sh
 1959 12:20:01.264763  # Skipping WRITE_AFTER_FREE: Corrupts memory on failure
 1960 12:20:01.280880  ok 19 selftests: lkdtm: WRITE_AFTER_FREE.sh # SKIP
 1961 12:20:01.296645  # selftests: lkdtm: READ_AFTER_FREE.sh
 1962 12:20:01.522101  [  102.091435] lkdtm: Performing direct entry READ_AFTER_FREE
 1963 12:20:01.522667  [  102.097158] lkdtm: Value in memory before free: 12345678
 1964 12:20:01.523147  [  102.102515] lkdtm: Attempting bad read from freed memory
 1965 12:20:01.523571  [  102.107881] lkdtm: Memory was not poisoned
 1966 12:20:01.607837  # [  102.091435] lkdtm: Performing direct entry READ_AFTER_FREE
 1967 12:20:01.608381  # [  102.097158] lkdtm: Value in memory before free: 12345678
 1968 12:20:01.608872  # [  102.102515] lkdtm: Attempting bad read from freed memory
 1969 12:20:01.609297  # [  102.107881] lkdtm: Memory was not poisoned
 1970 12:20:01.609701  # READ_AFTER_FREE: missing 'call trace:': [FAIL]
 1971 12:20:01.624083  not ok 20 selftests: lkdtm: READ_AFTER_FREE.sh # exit=1
 1972 12:20:01.656056  # selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh
 1973 12:20:01.822472  # Skipping WRITE_BUDDY_AFTER_FREE: Corrupts memory on failure
 1974 12:20:01.823027  ok 21 selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # SKIP
 1975 12:20:01.838672  # selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh
 1976 12:20:02.062094  [  102.628485] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE
 1977 12:20:02.062582  [  102.634518] lkdtm: Value in memory before free: 12345678
 1978 12:20:02.062896  [  102.640004] lkdtm: Attempting to read from freed memory
 1979 12:20:02.063184  [  102.645274] lkdtm: Buddy page was not poisoned
 1980 12:20:02.139003  # [  102.628485] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE
 1981 12:20:02.139512  # [  102.634518] lkdtm: Value in memory before free: 12345678
 1982 12:20:02.139847  # [  102.640004] lkdtm: Attempting to read from freed memory
 1983 12:20:02.140158  # [  102.645274] lkdtm: Buddy page was not poisoned
 1984 12:20:02.140454  # READ_BUDDY_AFTER_FREE: missing 'call trace:': [FAIL]
 1985 12:20:02.175692  not ok 22 selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh # exit=1
 1986 12:20:02.191843  # selftests: lkdtm: SLAB_FREE_DOUBLE.sh
 1987 12:20:02.387682  [  102.965492] lkdtm: Performing direct entry SLAB_FREE_DOUBLE
 1988 12:20:02.387863  [  102.971317] lkdtm: Attempting double slab free ...
 1989 12:20:02.447976  # [  102.965492] lkdtm: Performing direct entry SLAB_FREE_DOUBLE
 1990 12:20:02.448364  # [  102.971317] lkdtm: Attempting double slab free ...
 1991 12:20:02.463596  # SLAB_FREE_DOUBLE: missing 'call trace:': [FAIL]
 1992 12:20:02.495456  not ok 23 selftests: lkdtm: SLAB_FREE_DOUBLE.sh # exit=1
 1993 12:20:02.511383  # selftests: lkdtm: SLAB_FREE_CROSS.sh
 1994 12:20:02.699005  [  103.280027] lkdtm: Performing direct entry SLAB_FREE_CROSS
 1995 12:20:02.699156  [  103.285552] lkdtm: Attempting cross-cache slab free ...
 1996 12:20:02.761818  # [  103.280027] lkdtm: Performing direct entry SLAB_FREE_CROSS
 1997 12:20:02.761904  # [  103.285552] lkdtm: Attempting cross-cache slab free ...
 1998 12:20:02.777772  # SLAB_FREE_CROSS: missing 'call trace:': [FAIL]
 1999 12:20:02.793746  not ok 24 selftests: lkdtm: SLAB_FREE_CROSS.sh # exit=1
 2000 12:20:02.809748  # selftests: lkdtm: SLAB_FREE_PAGE.sh
 2001 12:20:03.006280  [  103.583789] lkdtm: Performing direct entry SLAB_FREE_PAGE
 2002 12:20:03.006367  [  103.589419] lkdtm: Attempting non-Slab slab free ...
 2003 12:20:03.066189  # [  103.583789] lkdtm: Performing direct entry SLAB_FREE_PAGE
 2004 12:20:03.066274  # [  103.589419] lkdtm: Attempting non-Slab slab free ...
 2005 12:20:03.082110  # SLAB_FREE_PAGE: missing 'call trace:': [FAIL]
 2006 12:20:03.098052  not ok 25 selftests: lkdtm: SLAB_FREE_PAGE.sh # exit=1
 2007 12:20:03.114029  
 2008 12:20:03.130006  # selftests: lkdtm: SOFTLOCKUP.sh
 2009 12:20:03.273739  # Skipping SOFTLOCKUP: Hangs the system
 2010 12:20:03.289670  ok 26 selftests: lkdtm: SOFTLOCKUP.sh # SKIP
 2011 12:20:03.305608  # selftests: lkdtm: HARDLOCKUP.sh
 2012 12:20:03.465353  # Skipping HARDLOCKUP: Hangs the system
 2013 12:20:03.481671  ok 27 selftests: lkdtm: HARDLOCKUP.sh # SKIP
 2014 12:20:03.497617  # selftests: lkdtm: SPINLOCKUP.sh
 2015 12:20:03.657608  # Skipping SPINLOCKUP: Hangs the system
 2016 12:20:03.673632  ok 28 selftests: lkdtm: SPINLOCKUP.sh # SKIP
 2017 12:20:03.689527  # selftests: lkdtm: HUNG_TASK.sh
 2018 12:20:03.849348  # Skipping HUNG_TASK: Hangs the system
 2019 12:20:03.865325  ok 29 selftests: lkdtm: HUNG_TASK.sh # SKIP
 2020 12:20:03.881069  # selftests: lkdtm: EXEC_DATA.sh
 2021 12:20:04.118415  [  104.676218] lkdtm: Performing direct entry EXEC_DATA
 2022 12:20:04.118965  [  104.681297] lkdtm: attempting ok execution at c0c33db0
 2023 12:20:04.119426  [  104.686487] lkdtm: attempting bad execution at c26f696c
 2024 12:20:04.119849  [  104.691727] 8<--- cut here ---
 2025 12:20:04.120258  [  104.694788] Unable to handle kernel paging request at virtual address c26f696c
 2026 12:20:04.120695  [  104.702019] pgd = e4f1c5f9
 2027 12:20:04.121104  [  104.704733] [c26f696c] *pgd=1261141e(bad)
 2028 12:20:04.121503  [  104.708766] Internal error: Oops: 8000000d [#3] SMP ARM
 2029 12:20:04.161621  [  104.713997] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3
 2030 12:20:04.162187  [  104.743032] CPU: 0 PID: 1793 Comm: cat Tainted: G      D W         5.10.162-cip23 #1
 2031 12:20:04.162654  [  104.750780] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 2032 12:20:04.163088  [  104.757321] PC is at data_area+0x0/0x40
 2033 12:20:04.204893  [  104.761173] LR is at execute_location+0xa4/0xb4
 2034 12:20:04.205441  [  104.765710] pc : [<c26f696c>]    lr : [<c135dacc>]    psr: 600e0013
 2035 12:20:04.205909  [  104.771982] sp : c5803e38  ip : 00000027  fp : c5803e54
 2036 12:20:04.206337  [  104.777210] r10: 0000000a  r9 : c1accecc  r8 : c15e8704
 2037 12:20:04.206752  [  104.782440] r7 : c5803f60  r6 : 00000001  r5 : c26f696c  r4 : c0c33db0
 2038 12:20:04.207163  [  104.788973] r3 : b6d16a95  r2 : b6d16a95  r1 : ef7815e4  r0 : 0000002b
 2039 12:20:04.207564  [  104.795506] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 2040 12:20:04.248365  [  104.802648] Control: 10c5387d  Table: 1580404a  DAC: 00000051
 2041 12:20:04.248952  [  104.808399] Process cat (pid: 1793, stack limit = 0x0ea696a8)
 2042 12:20:04.249424  [  104.814150] Stack: (0xc5803e38 to 0xc5804000)
 2043 12:20:04.249855  [  104.818514] 3e20:                                                       0000001f c5e02000
 2044 12:20:04.250275  [  104.826700] 3e40: 0000000a c5803f60 c5803e64 c5803e58 c135dc38 c135da34 c5803e74 c5803e68
 2045 12:20:04.250687  [  104.834885] 3e60: c0c33040 c135dc20 c5803e9c c5803e78 c0c33540 c0c33020 c0c33420 c5b34000
 2046 12:20:04.291583  [  104.843072] 3e80: b6e04000 0000000a c5357900 c5803f60 c5803ec4 c5803ea0 c07e0650 c0c3342c
 2047 12:20:04.292136  [  104.851258] 3ea0: 00000000 c5b34000 b6e04000 c2816000 c5803f60 c07e05ec c5803f5c c5803ec8
 2048 12:20:04.292598  [  104.859444] 3ec0: c0598d04 c07e05f8 00000001 00000000 c0599298 c13732e0 c0599298 c5802000
 2049 12:20:04.293057  [  104.867629] 3ee0: b6e04000 00020000 00000004 0000000a 0001fff6 c5803ee0 00000001 b6e03000
 2050 12:20:04.293478  [  104.875814] 3f00: c5812640 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 2051 12:20:04.293890  [  104.883998] 3f20: 00000000 00000000 c13732e0 b6d16a95 c205c620 c5b34000 c5b34000 c5802000
 2052 12:20:04.334706  [  104.892182] 3f40: b6e04000 00000000 00000000 00000004 c5803f94 c5803f60 c0599298 c0598c04
 2053 12:20:04.335262  [  104.900367] 3f60: 00000000 00000000 c5803fac b6d16a95 0000000a 0000000a b6f4be00 00000004
 2054 12:20:04.335724  [  104.908553] 3f80: c03002e4 c5802000 c5803fa4 c5803f98 c0599328 c0599230 00000000 c5803fa8
 2055 12:20:04.336153  [  104.916738] 3fa0: c03000c0 c059931c 0000000a 0000000a 00000001 b6e04000 0000000a 00000000
 2056 12:20:04.336577  [  104.924923] 3fc0: 0000000a 0000000a b6f4be00 00000004 00000001 00000000 00020000 bef0ea64
 2057 12:20:04.377683  [  104.933107] 3fe0: 00000004 bef0e798 b6eb64cf b6e3c7e6 800e0030 00000001 00000000 00000000
 2058 12:20:04.378237  [  104.941286] Backtrace: 
 2059 12:20:04.378697  [  104.943755] [<c135da28>] (execute_location) from [<c135dc38>] (lkdtm_EXEC_DATA+0x24/0x28)
 2060 12:20:04.379126  [  104.951939]  r7:c5803f60 r6:0000000a r5:c5e02000 r4:0000001f
 2061 12:20:04.379539  [  104.957613] [<c135dc14>] (lkdtm_EXEC_DATA) from [<c0c33040>] (lkdtm_do_action+0x2c/0x4c)
 2062 12:20:04.379951  [  104.965715] [<c0c33014>] (lkdtm_do_action) from [<c0c33540>] (direct_entry+0x120/0x18c)
 2063 12:20:04.421092  [  104.973734] [<c0c33420>] (direct_entry) from [<c07e0650>] (full_proxy_write+0x64/0x94)
 2064 12:20:04.421647  [  104.981660]  r9:c5803f60 r8:c5357900 r7:0000000a r6:b6e04000 r5:c5b34000 r4:c0c33420
 2065 12:20:04.422113  [  104.989417] [<c07e05ec>] (full_proxy_write) from [<c0598d04>] (vfs_write+0x10c/0x524)
 2066 12:20:04.422543  [  104.997256]  r9:c07e05ec r8:c5803f60 r7:c2816000 r6:b6e04000 r5:c5b34000 r4:00000000
 2067 12:20:04.422959  [  105.005007] [<c0598bf8>] (vfs_write) from [<c0599298>] (ksys_write+0x74/0xec)
 2068 12:20:04.423369  [  105.012151]  r10:00000004 r9:00000000 r8:00000000 r7:b6e04000 r6:c5802000 r5:c5b34000
 2069 12:20:04.464247  [  105.019983]  r4:c5b34000
 2070 12:20:04.464827  [  105.022525] [<c0599224>] (ksys_write) from [<c0599328>] (sys_write+0x18/0x1c)
 2071 12:20:04.465295  [  105.029668]  r9:c5802000 r8:c03002e4 r7:00000004 r6:b6f4be00 r5:0000000a r4:0000000a
 2072 12:20:04.465726  [  105.037422] [<c0599310>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 2073 12:20:04.466146  [  105.044995] Exception stack(0xc5803fa8 to 0xc5803ff0)
 2074 12:20:04.466560  [  105.050054] 3fa0:                   0000000a 0000000a 00000001 b6e04000 0000000a 00000000
 2075 12:20:04.495259  [  105.058239] 3fc0: 0000000a 0000000a b6f4be00 00000004 00000001 00000000 00020000 bef0ea64
 2076 12:20:04.495453  [  105.066421] 3fe0: 00000004 bef0e798 b6eb64cf b6e3c7e6
 2077 12:20:04.495547  [  105.071483] Code: 00000000 c2e15840 c2e15900 c2e159c0 (e1a0c00d) 
 2078 12:20:04.495627  [  105.077587] ---[ end trace 602be0240ace6249 ]---
 2079 12:20:04.495705  # Segmentation fault
 2080 12:20:04.625340  # [  104.676218] lkdtm: Performing direct entry EXEC_DATA
 2081 12:20:04.625500  # [  104.681297] lkdtm: attempting ok execution at c0c33db0
 2082 12:20:04.625597  # [  104.686487] lkdtm: attempting bad execution at c26f696c
 2083 12:20:04.625679  # [  104.691727] 8<--- cut here ---
 2084 12:20:04.625759  # [  104.694788] Unable to handle kernel paging request at virtual address c26f696c
 2085 12:20:04.625838  # [  104.702019] pgd = e4f1c5f9
 2086 12:20:04.625916  # [  104.704733] [c26f696c] *pgd=1261141e(bad)
 2087 12:20:04.625992  # [  104.708766] Internal error: Oops: 8000000d [#3] SMP ARM
 2088 12:20:04.668347  # [  104.713997] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3
 2089 12:20:04.668456  # [  104.743032] CPU: 0 PID: 1793 Comm: cat Tainted: G      D W         5.10.162-cip23 #1
 2090 12:20:04.668545  # [  104.750780] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 2091 12:20:04.712283  # [  104.757321] PC is at data_area+0x0/0x40
 2092 12:20:04.712858  # [  104.761173] LR is at execute_location+0xa4/0xb4
 2093 12:20:04.713320  # [  104.765710] pc : [<c26f696c>]    lr : [<c135dacc>]    psr: 600e0013
 2094 12:20:04.713747  # [  104.771982] sp : c5803e38  ip : 00000027  fp : c5803e54
 2095 12:20:04.714163  # [  104.777210] r10: 0000000a  r9 : c1accecc  r8 : c15e8704
 2096 12:20:04.714572  # [  104.782440] r7 : c5803f60  r6 : 00000001  r5 : c26f696c  r4 : c0c33db0
 2097 12:20:04.714973  # [  104.788973] r3 : b6d16a95  r2 : b6d16a95  r1 : ef7815e4  r0 : 0000002b
 2098 12:20:04.715372  # [  104.795506] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 2099 12:20:04.754999  # [  104.802648] Control: 10c5387d  Table: 1580404a  DAC: 00000051
 2100 12:20:04.755579  # [  104.808399] Process cat (pid: 1793, stack limit = 0x0ea696a8)
 2101 12:20:04.756041  # [  104.814150] Stack: (0xc5803e38 to 0xc5804000)
 2102 12:20:04.756486  # [  104.818514] 3e20:                                                       0000001f c5e02000
 2103 12:20:04.756968  # [  104.826700] 3e40: 0000000a c5803f60 c5803e64 c5803e58 c135dc38 c135da34 c5803e74 c5803e68
 2104 12:20:04.757387  # [  104.834885] 3e60: c0c33040 c135dc20 c5803e9c c5803e78 c0c33540 c0c33020 c0c33420 c5b34000
 2105 12:20:04.798064  # [  104.843072] 3e80: b6e04000 0000000a c5357900 c5803f60 c5803ec4 c5803ea0 c07e0650 c0c3342c
 2106 12:20:04.798618  # [  104.851258] 3ea0: 00000000 c5b34000 b6e04000 c2816000 c5803f60 c07e05ec c5803f5c c5803ec8
 2107 12:20:04.799081  # [  104.859444] 3ec0: c0598d04 c07e05f8 00000001 00000000 c0599298 c13732e0 c0599298 c5802000
 2108 12:20:04.799504  # [  104.867629] 3ee0: b6e04000 00020000 00000004 0000000a 0001fff6 c5803ee0 00000001 b6e03000
 2109 12:20:04.799919  # [  104.875814] 3f00: c5812640 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 2110 12:20:04.841164  # [  104.883998] 3f20: 00000000 00000000 c13732e0 b6d16a95 c205c620 c5b34000 c5b34000 c5802000
 2111 12:20:04.841715  # [  104.892182] 3f40: b6e04000 00000000 00000000 00000004 c5803f94 c5803f60 c0599298 c0598c04
 2112 12:20:04.842177  # [  104.900367] 3f60: 00000000 00000000 c5803fac b6d16a95 0000000a 0000000a b6f4be00 00000004
 2113 12:20:04.842602  # [  104.908553] 3f80: c03002e4 c5802000 c5803fa4 c5803f98 c0599328 c0599230 00000000 c5803fa8
 2114 12:20:04.843046  # [  104.916738] 3fa0: c03000c0 c059931c 0000000a 0000000a 00000001 b6e04000 0000000a 00000000
 2115 12:20:04.884117  # [  104.924923] 3fc0: 0000000a 0000000a b6f4be00 00000004 00000001 00000000 00020000 bef0ea64
 2116 12:20:04.884694  # [  104.933107] 3fe0: 00000004 bef0e798 b6eb64cf b6e3c7e6 800e0030 00000001 00000000 00000000
 2117 12:20:04.885160  # [  104.941286] Backtrace: 
 2118 12:20:04.885587  # [  104.943755] [<c135da28>] (execute_location) from [<c135dc38>] (lkdtm_EXEC_DATA+0x24/0x28)
 2119 12:20:04.886007  # [  104.951939]  r7:c5803f60 r6:0000000a r5:c5e02000 r4:0000001f
 2120 12:20:04.886416  # [  104.957613] [<c135dc14>] (lkdtm_EXEC_DATA) from [<c0c33040>] (lkdtm_do_action+0x2c/0x4c)
 2121 12:20:04.927376  # [  104.965715] [<c0c33014>] (lkdtm_do_action) from [<c0c33540>] (direct_entry+0x120/0x18c)
 2122 12:20:04.927927  # [  104.973734] [<c0c33420>] (direct_entry) from [<c07e0650>] (full_proxy_write+0x64/0x94)
 2123 12:20:04.928390  # [  104.981660]  r9:c5803f60 r8:c5357900 r7:0000000a r6:b6e04000 r5:c5b34000 r4:c0c33420
 2124 12:20:04.928848  # [  104.989417] [<c07e05ec>] (full_proxy_write) from [<c0598d04>] (vfs_write+0x10c/0x524)
 2125 12:20:04.929266  # [  104.997256]  r9:c07e05ec r8:c5803f60 r7:c2816000 r6:b6e04000 r5:c5b34000 r4:00000000
 2126 12:20:04.929674  # [  105.005007] [<c0598bf8>] (vfs_write) from [<c0599298>] (ksys_write+0x74/0xec)
 2127 12:20:04.973101  # [  105.012151]  r10:00000004 r9:00000000 r8:00000000 r7:b6e04000 [  105.530398] lkdtm: Performing direct entry EXEC_STACK
 2128 12:20:04.973650  r6:c5802000 r5:c5b34000
 2129 12:20:04.974108  # [  105[  105.537701] lkdtm: attempting ok execution at c0c33db0
 2130 12:20:04.974532  .019983]  r4:c5b34000
 2131 12:20:04.974943  # [  105.0[  105.545661] lkdtm: attempting bad execution at c6e67e0c
 2132 12:20:04.975350  22525] [<c0599224>] (ksys_write) [  105.553800] 8<--- cut here ---
 2133 12:20:04.975761  [  105.559670] Unable to handle kernel paging request at virtual address c6e67e0c
 2134 12:20:04.976161  [  105.566900] pgd = 01920f16
 2135 12:20:05.017155  [  105.569612] [c6e67e0c] *pgd=16e1141e(bad)
 2136 12:20:05.017717  [  105.573644] Internal error: Oops: 8000000d [#4] SMP ARM
 2137 12:20:05.018183  [  105.578875] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3
 2138 12:20:05.061366  [  105.607908] CPU: 0 PID: 1869 Comm: cat Tainted: G      D W         5.10.162-cip23 #1
 2139 12:20:05.061927  [  105.615656] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 2140 12:20:05.062391  [  105.622193] PC is at 0xc6e67e0c
 2141 12:20:05.062815  [  105.625352] LR is at execute_location+0xa4/0xb4
 2142 12:20:05.063230  [  105.629887] pc : [<c6e67e0c>]    lr : [<c135dacc>]    psr: 600e0013
 2143 12:20:05.063638  [  105.636160] sp : c6e67de8  ip : c6e67cf0  fp : c6e67e04
 2144 12:20:05.064037  [  105.641389] r10: 0000000b  r9 : c1acced8  r8 : c15e8704
 2145 12:20:05.064435  [  105.646620] r7 : c6e67f60  r6 : 00000001  r5 : c6e67e0c  r4 : c0c33db0
 2146 12:20:05.105344  [  105.653154] r3 : 8e08a69c  r2 : 8e08a69c  r1 : ef7815e0  r0 : 0000002b
 2147 12:20:05.105898  [  105.659688] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 2148 12:20:05.106449  [  105.666828] Control: 10c5387d  Table: 16ebc04a  DAC: 00000051
 2149 12:20:05.106985  [  105.672582] Process cat (pid: 1869, stack limit = 0xb16fc8e7)
 2150 12:20:05.107516  [  105.678334] Stack: (0xc6e67de8 to 0xc6e68000)
 2151 12:20:05.108004  [  105.682700] 7de0:                   c6e66000 c5c94000 0000000b c6e67f60 c6e67e64 c6e67e08
 2152 12:20:05.108461  [  105.690888] 7e00: c135dc74 c135da34 c6e67e6c e1a0c00d e92dd800 e24cb004 e52de004 e8bd4000
 2153 12:20:05.149245  [  105.699072] 7e20: e89da800 e1a0c00d e92dd830 e24cb004 e52de004 e8bd4000 e30d3374 e34c31b7
 2154 12:20:05.149778  [  105.707257] 7e40: e3a02040 e3a01d33 e5930018 8e08a69c 0000000b 00000020 c6e67e74 c6e67e68
 2155 12:20:05.150121  [  105.715442] 7e60: c0c33040 c135dc48 c6e67e9c c6e67e78 c0c33540 c0c33020 c0c33420 c59ae780
 2156 12:20:05.150444  [  105.723626] 7e80: b6e99000 0000000b c5357900 c6e67f60 c6e67ec4 c6e67ea0 c07e0650 c0c3342c
 2157 12:20:05.150754  [  105.731811] 7ea0: 00000000 c59ae780 b6e99000 c2816000 c6e67f60 c07e05ec c6e67f5c c6e67ec8
 2158 12:20:05.193099  [  105.739997] 7ec0: c0598d04 c07e05f8 00000001 00000000 c0599298 c13732e0 c0599298 c6e66000
 2159 12:20:05.193806  [  105.748183] 7ee0: b6e99000 00020000 00000004 0000000b 0001fff5 c6e67ee0 00000001 b6e98000
 2160 12:20:05.194380  [  105.756368] 7f00: c594f2c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 2161 12:20:05.194867  [  105.764554] 7f20: 00000000 00000000 c13732e0 8e08a69c c205c620 c59ae780 c59ae780 c6e66000
 2162 12:20:05.195276  [  105.772740] 7f40: b6e99000 00000000 00000000 00000004 c6e67f94 c6e67f60 c0599298 c0598c04
 2163 12:20:05.237211  [  105.780925] 7f60: 00000000 00000000 c6e67fac 8e08a69c 0000000b 0000000b b6fe0e00 00000004
 2164 12:20:05.237761  [  105.789108] 7f80: c03002e4 c6e66000 c6e67fa4 c6e67f98 c0599328 c0599230 00000000 c6e67fa8
 2165 12:20:05.238227  [  105.797292] 7fa0: c03000c0 c059931c 0000000b 0000000b 00000001 b6e99000 0000000b 00000000
 2166 12:20:05.238660  [  105.805477] 7fc0: 0000000b 0000000b b6fe0e00 00000004 00000001 00000000 00020000 be953a64
 2167 12:20:05.239079  [  105.813661] 7fe0: 00000004 be953798 b6f4b4cf b6ed17e6 800e0030 00000001 00000000 00000000
 2168 12:20:05.239494  [  105.821841] Backtrace: 
 2169 12:20:05.281351  [  105.824311] [<c135da28>] (execute_location) from [<c135dc74>] (lkdtm_EXEC_STACK+0x38/0x54)
 2170 12:20:05.281905  [  105.832583]  r7:c6e67f60 r6:0000000b r5:c5c94000 r4:c6e66000
 2171 12:20:05.282373  [  105.838259] [<c135dc3c>] (lkdtm_EXEC_STACK) from [<c0c33040>] (lkdtm_do_action+0x2c/0x4c)
 2172 12:20:05.282802  [  105.846441]  r4:00000020
 2173 12:20:05.283217  [  105.848985] [<c0c33014>] (lkdtm_do_action) from [<c0c33540>] (direct_entry+0x120/0x18c)
 2174 12:20:05.283632  [  105.857002] [<c0c33420>] (direct_entry) from [<c07e0650>] (full_proxy_write+0x64/0x94)
 2175 12:20:05.284038  [  105.864927]  r9:c6e67f60 r8:c5357900 r7:0000000b r6:b6e99000 r5:c59ae780 r4:c0c33420
 2176 12:20:05.325240  [  105.872684] [<c07e05ec>] (full_proxy_write) from [<c0598d04>] (vfs_write+0x10c/0x524)
 2177 12:20:05.325792  [  105.880521]  r9:c07e05ec r8:c6e67f60 r7:c2816000 r6:b6e99000 r5:c59ae780 r4:00000000
 2178 12:20:05.326261  [  105.888273] [<c0598bf8>] (vfs_write) from [<c0599298>] (ksys_write+0x74/0xec)
 2179 12:20:05.326691  [  105.895417]  r10:00000004 r9:00000000 r8:00000000 r7:b6e99000 r6:c6e66000 r5:c59ae780
 2180 12:20:05.327108  [  105.903250]  r4:c59ae780
 2181 12:20:05.327520  [  105.905794] [<c0599224>] (ksys_write) from [<c0599328>] (sys_write+0x18/0x1c)
 2182 12:20:05.369116  [  105.912937]  r9:c6e66000 r8:c03002e4 r7:00000004 r6:b6fe0e00 r5:0000000b r4:0000000b
 2183 12:20:05.369729  [  105.920691] [<c0599310>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 2184 12:20:05.370249  [  105.928263] Exception stack(0xc6e67fa8 to 0xc6e67ff0)
 2185 12:20:05.370747  [  105.933322] 7fa0:                   0000000b 0000000b 00000001 b6e99000 0000000b 00000000
 2186 12:20:05.371217  [  105.941507] 7fc0: 0000000b 0000000b b6fe0e00 00000004 00000001 00000000 00020000 be953a64
 2187 12:20:05.371678  [  105.949690] 7fe0: 00000004 be953798 b6f4b4cf b6ed17e6
 2188 12:20:05.372129  [  105.954751] Code: c6e67e08 c135dc74 c135da34 c6e67e6c (e1a0c00d) 
 2189 12:20:05.417074  [  105.960855] ---[ end trace 602be0240ace624a ]---
 2190 12:20:05.417671  from [<c0599328>] (sys_write+0x18/0x1c)
 2191 12:20:05.418207  # [  105.029668]  r9:c5802000 r8:c03002e4 r7:00000004 r6:b6f4be00 r5:0000000a r4:0000000a
 2192 12:20:05.418669  # [  105.037422] [<c0599310>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 2193 12:20:05.419086  # [  105.044995] Exception stack(0xc5803fa8 to 0xc5803ff0)
 2194 12:20:05.419486  # [  105.050054] 3fa0:                   0000000a 0000000a 00000001 b6e04000 0000000a 00000000
 2195 12:20:05.465036  # [  105.058239] 3fc0: 0000000a 0000000a b6f4be00 00000004 00000001 00000000 00020000 bef0ea64
 2196 12:20:05.465453  # [  105.066421] 3fe0: 00000004 bef0e798 b6eb64cf b6e3c7e6
 2197 12:20:05.465867  # [  105.071483] Code: 00000000 c2e15840 c2e15900 c2e159c0 (e1a0c00d) 
 2198 12:20:05.466255  # [  105.077587] ---[ end trace 602be0240ace6249 ]---
 2199 12:20:05.466633  # EXEC_DATA: missing 'call trace:': [FAIL]
 2200 12:20:05.467005  not ok 30 selftests: lkdtm: EXEC_DATA.sh # exit=1
 2201 12:20:05.467411  # selftests: lkdtm: EXEC_STACK.sh
 2202 12:20:05.467778  # Segmentation fault
 2203 12:20:05.509287  # [  105.530398] lkdtm: Performing direct entry EXEC_STACK
 2204 12:20:05.509908  # [  105.537701] lkdtm: attempting ok execution at c0c33db0
 2205 12:20:05.510430  # [  105.545661] lkdtm: attempting bad execution at c6e67e0c
 2206 12:20:05.510942  # [  105.553800] 8<--- cut here ---
 2207 12:20:05.511445  # [  105.559670] Unable to handle kernel paging request at virtual address c6e67e0c
 2208 12:20:05.511930  # [  105.566900] pgd = 01920f16
 2209 12:20:05.512417  # [  105.569612] [c6e67e0c] *pgd=16e1141e(bad)
 2210 12:20:05.512972  # [  105.573644] Internal error: Oops: 8000000d [#4] SMP ARM
 2211 12:20:05.557371  # [  105.578875] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3
 2212 12:20:05.557940  # [  105.607908] CPU: 0 PID: 1869 Comm: cat Tainted: G      D W         5.10.162-cip23 #1
 2213 12:20:05.558409  # [  105.615656] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 2214 12:20:05.558827  # [  105.622193] PC is at 0xc6e67e0c
 2215 12:20:05.601241  # [  105.625352] LR is at execute_location+0xa4/0xb4
 2216 12:20:05.601843  # [  105.629887] pc : [<c6e67e0c>]    lr : [<c135dacc>]    psr: 600e0013
 2217 12:20:05.602334  # [  105.636160] sp : c6e67de8  ip : c6e67cf0  fp : c6e67e04
 2218 12:20:05.602775  # [  105.641389] r10: 0000000b  r9 : c1acced8  r8 : c15e8704
 2219 12:20:05.603195  # [  105.646620] r7 : c6e67f60  r6 : 00000001  r5 : c6e67e0c  r4 : c0c33db0
 2220 12:20:05.603611  # [  105.653154] r3 : 8e08a69c  r2 : 8e08a69c  r1 : ef7815e0  r0 : 0000002b
 2221 12:20:05.604021  # [  105.659688] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 2222 12:20:05.649181  # [  105.666828] Control: 10c5387d  Table: 16ebc04a  DAC: 00000051
 2223 12:20:05.649722  # [  105.672582] Process cat (pid: 1869, stack limit = 0xb16fc8e7)
 2224 12:20:05.650181  # [  105.678334] Stack: (0xc6e67de8 to 0xc6e68000)
 2225 12:20:05.650609  # [  105.682700] 7de0:                   c6e66000 c5c94000 0000000b c6e67f60 c6e67e64 c6e67e08
 2226 12:20:05.651021  # [  105.690888] 7e00: c135dc74 c135da34 c6e67e6c e1a0c00d e92dd800 e24cb004 e52de004 e8bd4000
 2227 12:20:05.651473  # [  105.699072] 7e20: e89da800 e1a0c00d e92dd830 e24cb004 e52de004 e8bd4000 e30d3374 e34c31b7
 2228 12:20:05.697251  # [  105.707257] 7e40: e3a02040 e3a01d33 e5930018 8e08a69c 0000000b 00000020 c6e67e74 c6e67e68
 2229 12:20:05.697825  # [  105.715442] 7e60: c0c33040 c135dc48 c6e67e9c c6e67e78 c0c33540 c0c33020 c0c33420 c59ae780
 2230 12:20:05.698341  # [  105.723626] 7e80: b6e99000 0000000b c5357900 c6e67f60 c6e67ec4 c6e67ea0 c07e0650 c0c3342c
 2231 12:20:05.698803  # [  105.731811] 7ea0: 00000000 c59ae780 b6e99000 c2816000 c6e67f60 c07e05ec c6e67f5c c6e67ec8
 2232 12:20:05.699222  # [  105.739997] 7ec0: c0598d04 c07e05f8 00000001 00000000 c0599298 c13732e0 c0599298 c6e66000
 2233 12:20:05.741167  # [  105.748183] 7ee0: b6e99000 00020000 00000004 0000000b 0001fff5 c6e67ee0 00000001 b6e98000
 2234 12:20:05.741721  # [  105.756368] 7f00: c594f2c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 2235 12:20:05.742185  # [  105.764554] 7f20: 00000000 00000000 c13732e0 8e08a69c c205c620 c59ae780 c59ae780 c6e66000
 2236 12:20:05.742605  # [  105.772740] 7f40: b6e99000 00000000 00000000 00000004 c6e67f94 c6e67f60 c0599298 c0598c04
 2237 12:20:05.743015  # [  105.780925] 7f60: 00000000 00000000 c6e67fac 8e08a69c 0000000b 0000000b b6fe0e00 00000004
 2238 12:20:05.785343  # [  105.789108] 7f80: c03002e4 c6e66000 c6e67fa4 c6e67f98 c0599328 c0599230 00000000 c6e67fa8
 2239 12:20:05.785895  # [  105.797292] 7fa0: c03000c0 c059931c 0000000b 0000000b 00000001 b6e99000 0000000b 00000000
 2240 12:20:05.786359  # [  105.805477] 7fc0: 0000000b 0000000b b6fe0e00 00000004 00000001 00000000 00020000 be953a64
 2241 12:20:05.786780  # [  105.813661] 7fe0: 00000004 be953798 b6f4b4cf b6ed17e6 800e0030 00000001 00000000 00000000
 2242 12:20:05.787195  # [  105.821841] Backtrace: 
 2243 12:20:05.787602  # [  105.824311] [<c135da28>] (execute_location) from [<c135dc74>] (lkdtm_EXEC_STACK+0x38/0x54)
 2244 12:20:05.829336  # [  105.832583]  r7:c6e67f60 r6:0000000b r5:c5c94000 r4:c6e66000
 2245 12:20:05.829884  # [  105.838259] [<c135dc3c>] (lkdtm_EXEC_STACK) from [<c0c33040>] (lkdtm_do_action+0x2c/0x4c)
 2246 12:20:05.830349  # [  105.846441]  r4:00000020
 2247 12:20:05.830771  # [  105.848985] [<c0c33014>] (lkdtm_do_action) from [<c0c33540>] (direct_entry+0x120/0x18c)
 2248 12:20:05.831187  # [  105.857002] [<c0c33420>] (direct_entry) from [<c07e0650>] (full_proxy_write+0x64/0x94)
 2249 12:20:05.831597  # [  105.864927]  r9:c6e67f60 r8:c5357900 r7:0000000b r6:b6e99000 r5:c59ae780 r4:c0c33420
 2250 12:20:05.873426  # [  105.872684] [<c07e05ec>] (full_proxy_write) [  106.409537] lkdtm: Performing direct entry EXEC_KMALLOC
 2251 12:20:05.873980  from [<c0598d04>] (vf[s _ w1r0i6t415361] lkdtm: attempting ok execution at c0c33db0
 2252 12:20:05.874449  e+0x10c/0x524)
 2253 12:20:05.874875  # [  105.880521] [  106.422843] lkdtm: attempting bad execution at c4793140
 2254 12:20:05.875292   r9:c07e05ec r8:c6e67f60 r7:c2816[  106.431000] 8<--- cut here ---
 2255 12:20:05.875706  000 r6:b6e99[0 0 01 0r65.:4c3569773] Unable to handle kernel paging request at virtual address c4793140
 2256 12:20:05.876122  e780 r4:00000[0 0 01
 2257 12:20:05.876522  0
 2258 12:20:05.876953  6#. 4[4 5 05] pgd = 67c2f2ef
 2259 12:20:05.917303  105.888273] [<c0598bf8>] [( v f1s6.450518] [c4793140] *pgd=1461141e(bad)
 2260 12:20:05.917866  _write) from [[< c 0150969.249586962] Internal error: Oops: 8000000d [#5] SMP ARM
 2261 12:20:05.918342  ] (ksys_write+0x74/0xec)
 2262 12:20:05.918770  # [  10[  106.464180] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3
 2263 12:20:05.961451  5.895417]  r10:000[0 0 010046 .r495883] CPU: 3 PID: 1948 Comm: cat Tainted: G      D W         5.10.162-cip23 #1
 2264 12:20:05.962017  :0000000[0   r180:60.050005070809] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 2265 12:20:05.962484   r7:b6e99000 r6:[c 6 e160660.05014056] PC is at 0xc4793140
 2266 12:20:05.962913  r5:c59ae780
 2267 12:20:05.963331  # [  105.9032[5 0 ]106.519287] LR is at execute_location+0xa4/0xb4
 2268 12:20:05.963743   r4:c59ae[7 8 01
 2269 12:20:05.964147  0
 2270 12:20:05.964552  6#. 5[2 6 3120] pc : [<c4793140>]    lr : [<c135dacc>]    psr: 600e0013
 2271 12:20:05.965006  5.9057[9 4 ]1 0[6<.c503549392222] sp : c6e61e30  ip : c6e61d38  fp : c6e61e4c
 2272 12:20:06.005443  >] (ksys_[w r i1t0e6).5 4f1r1o9m5] r10: 0000000d  r9 : c1accee4  r8 : c15e8704
 2273 12:20:06.006095  [<c0599328[> ]  1(0s6y.s5_4w8r1i56] r7 : c6e61f60  r6 : 00000001  r5 : c4793140  r4 : c0c33db0
 2274 12:20:06.006513  e+0x18/0[x 1 c1)0
 2275 12:20:06.006848  6
 2276 12:20:06.007168  .#5 5[6 5 015] r3 : 677d3c70  r2 : 677d3c70  r1 : ef7c05e0  r0 : 0000002b
 2277 12:20:06.007488  5.912937]  r9:[c  61e0666.050604 68] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 2278 12:20:06.007937  r8:c03002e4[  r 71:0060.0507030800] Control: 10c5387d  Table: 16f3004a  DAC: 00000051
 2279 12:20:06.053031  4 r6:b6fe0[e 0 01 0r65.:5080103076] Process cat (pid: 1948, stack limit = 0xd2b2e05c)
 2280 12:20:06.053522  00b r4:000[0 0 10006b.
 2281 12:20:06.053927  5
 2282 12:20:06.054317  8#8 9[4 ] Stack: (0xc6e61e30 to 0xc6e62000)
 2283 12:20:06.054703   105.920691] [<c0[5 9 9130160.5>95039] 1e20:                                     c4793140 c4766000 0000000d c6e61f60
 2284 12:20:06.055090   (sys_write) fro[m   [1<0c60.36005296] 1e40: c6e61e64 c6e61e50 c0c33e00 c135da34 00000021 c4766000 c6e61e74 c6e61e68
 2285 12:20:06.055446  0c0>] (ret_fas[t _ s1y0s6c.a6l1l5553] 1e60: c0c33040 c0c33dd4 c6e61e9c c6e61e78 c0c33540 c0c33020 c0c33420 c5a91b80
 2286 12:20:06.055819  0x0/0x28)
 2287 12:20:06.096728  # [ [  1 0150.69.26822725] 1e80: b6df5000 0000000d c5357900 c6e61f60 c6e61ec4 c6e61ea0 c07e0650 c0c3342c
 2288 12:20:06.096822  63] Exception sta[c k (100x6c.66e5897] 1ea0: 00000000 c5a91b80 b6df5000 c2816000 c6e61f60 c07e05ec c6e61f5c c6e61ec8
 2289 12:20:06.096895  67fa8 to 0xc6e6[7 f f100)6
 2290 12:20:06.096970  .
 2291 12:20:06.097033  6#4 154] 1ec0: c0598d04 c07e05f8 00000001 00000000 c0599298 c5951924 c0599298 c6e60000
 2292 12:20:06.097106  [  105.933322] 7f[a 0 :1 0 6 . 6 6325] 1ee0: b6df5000 00020000 00000004 0000000d 0001fff3 c6e61ee0 00000001 00000805
 2293 12:20:06.141301               [  0 0100060.0606b6 81] 1f00: c59eadc0 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 2294 12:20:06.141812  0000000b 0000000[1   b160e69.96076666] 1f20: 00000000 00000000 c6e60000 677d3c70 b6df4000 c5a91b80 c5a91b80 c6e60000
 2295 12:20:06.142160  0 0000000b 0000[0 0 0100
 2296 12:20:06.142472  6
 2297 12:20:06.142766  .#6 8[925] 1f40: b6df5000 00000000 00000000 00000004 c6e61f94 c6e61f60 c0599298 c0598c04
 2298 12:20:06.143056    105.941507] [7 f c100:6 .060907094] 1f60: 00000000 00000000 c6e61fac 677d3c70 0000000d 0000000d b6f3ce00 00000004
 2299 12:20:06.185491  000b 0000000b [b 6 f1e006e.0700 7267] 1f80: c03002e4 c6e60000 c6e61fa4 c6e61f98 c0599328 c0599230 00000000 c6e61fa8
 2300 12:20:06.186046  0000004 00000001[  0 0100060.07017440] 1fa0: c03000c0 c059931c 0000000d 0000000d 00000001 b6df5000 0000000d 00000000
 2301 12:20:06.186417   00020000 be953[a 6 41
 2302 12:20:06.186745  0
 2303 12:20:06.187062  6#. 7[2 696] 1fc0: 0000000d 0000000d b6f3ce00 00000004 00000001 00000000 00020000 bedd5a64
 2304 12:20:06.187382   105.949690] 7fe[0 :  100060.07037868] 1fe0: 00000004 bedd5798 b6ea74cf b6e2d7e6 800e0030 00000001 00000000 00000000
 2305 12:20:06.187689  04 be953798 b6[f 4 b140c6f. 7b468119] Backtrace: 
 2306 12:20:06.187997  d17e6
 2307 12:20:06.229149  # [  105.954751] Code: c[6 106.752575] [<c135da28>] (execute_location) from [<c0c33e00>] (lkdtm_EXEC_KMALLOC+0x38/0x44)
 2308 12:20:06.229696  e67e08 c135dc74[  c 113056d.a7364692]  r7:c6e61f60 r6:0000000d r5:c4766000 r4:c4793140
 2309 12:20:06.230061   c6e67e6c (e1a0c00d)[  
 2310 12:20:06.230389   
 2311 12:20:06.230703  1#0 6[.771350] [<c0c33dc8>] (lkdtm_EXEC_KMALLOC) from [<c0c33040>] (lkdtm_do_action+0x2c/0x4c)
 2312 12:20:06.231023   105.96085[5 ]  1-0-6-.[7 8e1n9d48]  r5:c4766000 r4:00000021
 2313 12:20:06.231328  trace 602be0240ace[6 2 41a0 6].-787350] [<c0c33014>] (lkdtm_do_action) from [<c0c33540>] (direct_entry+0x120/0x18c)
 2314 12:20:06.231633  -
 2315 12:20:06.273228  # EXEC_STACK: mis[s i n1g0 6'.797526] [<c0c33420>] (direct_entry) from [<c07e0650>] (full_proxy_write+0x64/0x94)
 2316 12:20:06.273778  all trace:': [F[A I L1]0
 2317 12:20:06.274139  6
 2318 12:20:06.274467  .n8o0t694]  r9:c6e61f60 r8:c5357900 r7:0000000d r6:b6df5000 r5:c5a91b80 r4:c0c33420
 2319 12:20:06.274792   ok 31 selftests: lkdtm: EX[E C _06.817438] [<c07e05ec>] (full_proxy_write) from [<c0598d04>] (vfs_write+0x10c/0x524)
 2320 12:20:06.275106  STACK.sh # exit=1[
 2321 12:20:06.275402   
 2322 12:20:06.275701   #1 0s6e.l8f7777]  r9:c07e05ec r8:c6e61f60 r7:c2816000 r6:b6df5000 r5:c5a91b80 r4:00000000
 2323 12:20:06.317134  tests: lkdtm: EX[E C _1K0M6A.L8L37601] [<c0598bf8>] (vfs_write) from [<c0599298>] (ksys_write+0x74/0xec)
 2324 12:20:06.317701  C.sh
 2325 12:20:06.318104  [  106.846816]  r10:00000004 r9:00000000 r8:00000000 r7:b6df5000 r6:c6e60000 r5:c5a91b80
 2326 12:20:06.318545  [  106.855160]  r4:c5a91b80
 2327 12:20:06.318968  [  106.857703] [<c0599224>] (ksys_write) from [<c0599328>] (sys_write+0x18/0x1c)
 2328 12:20:06.319441  [  106.864845]  r9:c6e60000 r8:c03002e4 r7:00000004 r6:b6f3ce00 r5:0000000d r4:0000000d
 2329 12:20:06.319872  [  106.872601] [<c0599310>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 2330 12:20:06.320321  [  106.880175] Exception stack(0xc6e61fa8 to 0xc6e61ff0)
 2331 12:20:06.361114  [  106.885234] 1fa0:                   0000000d 0000000d 00000001 b6df5000 0000000d 00000000
 2332 12:20:06.361523  [  106.893419] 1fc0: 0000000d 0000000d b6f3ce00 00000004 00000001 00000000 00020000 bedd5a64
 2333 12:20:06.361888  [  106.901601] 1fe0: 00000004 bedd5798 b6ea74cf b6e2d7e6
 2334 12:20:06.362371  [  106.906664] Code: 00000000 00000002 00000000 00000000 (e1a0c00d) 
 2335 12:20:06.362852  [  106.912766] ---[ end trace 602be0240ace624b ]---
 2336 12:20:06.363290  # Segmentation fault
 2337 12:20:06.475457  # [  106.409537] lkdtm: Performing direct entry EXEC_KMALLOC
 2338 12:20:06.476045  # [  106.415361] lkdtm: attempting ok execution at c0c33db0
 2339 12:20:06.476410  # [  106.422843] lkdtm: attempting bad execution at c4793140
 2340 12:20:06.476753  # [  106.431000] 8<--- cut here ---
 2341 12:20:06.477055  # [  106.436773] Unable to handle kernel paging request at virtual address c4793140
 2342 12:20:06.477344  # [  106.445905] pgd = 67c2f2ef
 2343 12:20:06.477682  # [  106.450518] [c4793140] *pgd=1461141e(bad)
 2344 12:20:06.478077  # [  106.456962] Internal error: Oops: 8000000d [#5] SMP ARM
 2345 12:20:06.518391  # [  106.464180] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3
 2346 12:20:06.518851  # [  106.495883] CPU: 3 PID: 1948 Comm: cat Tainted: G      D W         5.10.162-cip23 #1
 2347 12:20:06.519230  # [  106.505789] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 2348 12:20:06.519553  # [  106.514056] PC is at 0xc4793140
 2349 12:20:06.561533  # [  106.519287] LR is at execute_location+0xa4/0xb4
 2350 12:20:06.562057  # [  106.526322] pc : [<c4793140>]    lr : [<c135dacc>]    psr: 600e0013
 2351 12:20:06.562519  # [  106.534322] sp : c6e61e30  ip : c6e61d38  fp : c6e61e4c
 2352 12:20:06.562944  # [  106.541195] r10: 0000000d  r9 : c1accee4  r8 : c15e8704
 2353 12:20:06.563356  # [  106.548156] r7 : c6e61f60  r6 : 00000001  r5 : c4793140  r4 : c0c33db0
 2354 12:20:06.563811  # [  106.556505] r3 : 677d3c70  r2 : 677d3c70  r1 : ef7c05e0  r0 : 0000002b
 2355 12:20:06.564217  # [  106.564768] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 2356 12:20:06.609279  # [  106.573810] Control: 10c5387d  Table: 16f3004a  DAC: 00000051
 2357 12:20:06.609855  # [  106.581376] Process cat (pid: 1948, stack limit = 0xd2b2e05c)
 2358 12:20:06.610361  # [  106.588944] Stack: (0xc6e61e30 to 0xc6e62000)
 2359 12:20:06.610807  # [  106.595039] 1e20:                                     c4793140 c4766000 0000000d c6e61f60
 2360 12:20:06.611239  # [  106.605296] 1e40: c6e61e64 c6e61e50 c0c33e00 c135da34 00000021 c4766000 c6e61e74 c6e61e68
 2361 12:20:06.611649  # [  106.615553] 1e60: c0c33040 c0c33dd4 c6e61e9c c6e61e78 c0c33540 c0c33020 c0c33420 c5a91b80
 2362 12:20:06.653234  # [  106.625725] 1e80: b6df5000 0000000d c5357900 c6e61f60 c6e61ec4 c6e61ea0 c07e0650 c0c3342c
 2363 12:20:06.653788  # [  106.635897] 1ea0: 00000000 c5a91b80 b6df5000 c2816000 c6e61f60 c07e05ec c6e61f5c c6e61ec8
 2364 12:20:06.654261  # [  106.646154] 1ec0: c0598d04 c07e05f8 00000001 00000000 c0599298 c5951924 c0599298 c6e60000
 2365 12:20:06.654685  # [  106.656325] 1ee0: b6df5000 00020000 00000004 0000000d 0001fff3 c6e61ee0 00000001 00000805
 2366 12:20:06.655101  # [  106.666581] 1f00: c59eadc0 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 2367 12:20:06.697083  # [  106.676666] 1f20: 00000000 00000000 c6e60000 677d3c70 b6df4000 c5a91b80 c5a91b80 c6e60000
 2368 12:20:06.697626  # [  106.686925] 1f40: b6df5000 00000000 00000000 00000004 c6e61f94 c6e61f60 c0599298 c0598c04
 2369 12:20:06.698086  # [  106.697094] 1f60: 00000000 00000000 c6e61fac 677d3c70 0000000d 0000000d b6f3ce00 00000004
 2370 12:20:06.698508  # [  106.707267] 1f80: c03002e4 c6e60000 c6e61fa4 c6e61f98 c0599328 c0599230 00000000 c6e61fa8
 2371 12:20:06.698926  # [  106.717440] 1fa0: c03000c0 c059931c 0000000d 0000000d 00000001 b6df5000 0000000d 00000000
 2372 12:20:06.741315  # [  106.727696] 1fc0: 0000000d 0000000d b6f3ce00 00000004 00000001 00000000 00020000 bedd5a64
 2373 12:20:06.741867  # [  106.737868] 1fe0: 00000004 bedd5798 b6ea74cf b6e2d7e6 800e0030 00000001 00000000 00000000
 2374 12:20:06.742336  # [  106.748119] Backtrace: 
 2375 12:20:06.742754  # [  106.752575] [<c135da28>] (execute_location) from [<c0c33e00>] (lkdtm_EXEC_KMALLOC+0x38/0x44)
 2376 12:20:06.743175  # [  106.763692]  r7:c6e61f60 r6:0000000d r5:c4766000 r4:c4793140
 2377 12:20:06.743584  # [  106.771350] [<c0c33dc8>] (lkdtm_EXEC_KMALLOC) from [<c0c33040>] (lkdtm_do_action+0x2c/0x4c)
 2378 12:20:06.743993  # [  106.781948]  r5:c4766000 r4:00000021
 2379 12:20:06.785354  # [  106.787350] [<c0c33014>] (lkdtm_do_action) from [<c0c33540>] (direct_entry+0x120/0x18c)
 2380 12:20:06.785903  # [  106.797526] [<c0c33420>] (direct_entry) from [<c07e0650>] (full_proxy_write+0x64/0x94)
 2381 12:20:06.786368  # [  106.807694]  r9:c6e61f60 r8:c5357900 r7:0000000d r6:b6df5000 r5:c5a91b80 r4:c0c33420
 2382 12:20:06.786799  # [  106.817438] [<c07e05ec>] (full_proxy_write) from [<c0598d04>] (vfs_write+0x10c/0x524)
 2383 12:20:06.787216  # [  106.827777]  r9:c07e05ec r8:c6e61f60 r7:c2816000 r6:b6df5000 r5:c5a91b80 r4:00000000
 2384 12:20:06.829160  # [  106.837601] [<c0598bf8>] (vf[  107.374470] lkdtm: Performing direct entry EXEC_VMALLOC
 2385 12:20:06.829771  s_write) from [<c0599298>] (ksys_[  107.381162] lkdtm: attempting ok execution at c0c33db0
 2386 12:20:06.830299  write+0x74/0xec)
 2387 12:20:06.830791  # [  106.846816[  107.389100] lkdtm: attempting bad execution at f096c000
 2388 12:20:06.831326  ]  r10:00000004 r9:00000000 r8:00[  107.397180] 8<--- cut here ---
 2389 12:20:06.831800  000000 r7:b6df5000[  r 61:0c76.e403033] Unable to handle kernel paging request at virtual address f096c000
 2390 12:20:06.832226  0000 r5:c5a91b80
 2391 12:20:06.832631  # [  106.855160[  107.412466] pgd = 3355dd02
 2392 12:20:06.833060  ]  r4:c5a91b80
 2393 12:20:06.873362  # [  106.857703] [  107.418053] [f096c000] *pgd=12949811, *pte=49af865f, *ppte=49af845f
 2394 12:20:06.873917  [<c0599224>] (ksys_write) from [<[  107.427167] Internal error: Oops: 8000000f [#6] SMP ARM
 2395 12:20:06.874386  c0599328>] (sys_write+0x18/0x1c)
 2396 12:20:06.917465  [  107.435223] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3
 2397 12:20:06.918031  
 2398 12:20:06.918494  # [  106.864845]  r9[: c 61e0670466940] CPU: 3 PID: 2025 Comm: cat Tainted: G      D W         5.10.162-cip23 #1
 2399 12:20:06.918923  000 r8:c030[0 2 e140 7.r477:609034] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 2400 12:20:06.919354  00004 r6:b6f3ce00 r[5 : 0100070.085290] PC is at 0xf096c000
 2401 12:20:06.919778  00d r4:0000000d
 2402 12:20:06.920187  # [  106.872601][  107.490613] LR is at execute_location+0xa4/0xb4
 2403 12:20:06.920590   [<c0599310>[]   (1s0y7s._4w9r7i992] pc : [<f096c000>]    lr : [<c135dacc>]    psr: 600e0013
 2404 12:20:06.961431  e) from [<c[0 3 010007c.05>0]6 1(9] sp : c478fe30  ip : c478fd38  fp : c478fe4c
 2405 12:20:06.961982  ret_fast[_ s y1s0c7a.l5l1+3021x40 r10: 0000000d  r9 : c1accef4  r8 : c15e8704
 2406 12:20:06.962452  /0x28)
 2407 12:20:06.962877  # [[    110076..5828000190] r7 : c478ff60  r6 : 00000001  r5 : f096c000  r4 : c0c33db0
 2408 12:20:06.963293  5] Excepti[o n  1s0t7a.c5k2(804x40] r3 : bc7144ce  r2 : bc7144ce  r1 : ef7c05e0  r0 : 0000002b
 2409 12:20:06.963710  6e61fa8 to 0xc[6 e 61107f.f503)6
 2410 12:20:06.964120  91] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 2411 12:20:06.964527  
 2412 12:20:07.005466  # [  106.8852[3 4 ]1 017f.a504:5836] Control: 10c5387d  Table: 16f6404a  DAC: 00000051
 2413 12:20:07.006017                 [     100070.05050579] Process cat (pid: 2025, stack limit = 0x203981b5)
 2414 12:20:07.006484  0d 0000000d [0 0 0100070.0516 1b319] Stack: (0xc478fe30 to 0xc4790000)
 2415 12:20:07.006924  df5000 0000000d 000[0  0100070.
 2416 12:20:07.007342  567590] fe20:                                     f096c000 c5bb7000 0000000d c478ff60
 2417 12:20:07.007763  # [  106.893419] 1fc0:[  0 010070577939] fe40: c478fe64 c478fe50 c0c33e34 c135da34 00000022 c5bb7000 c478fe74 c478fe68
 2418 12:20:07.049462  000d 0000000d b6f3[c e 0100 70.0588370] fe60: c0c33040 c0c33e18 c478fe9c c478fe78 c0c33540 c0c33020 c0c33420 c5a91680
 2419 12:20:07.050024  00004 00000001 00[0 0 0100070. 508716] fe80: b6de0000 0000000d c5357900 c478ff60 c478fec4 c478fea0 c07e0650 c0c3342c
 2420 12:20:07.050500  0020000 bedd5a64
 2421 12:20:07.050929  [#   [1 0 71.0608977] fea0: 00000000 c5a91680 b6de0000 c2816000 c478ff60 c07e05ec c478ff5c c478fec8
 2422 12:20:07.051352  .901601] 1fe0: 0000[0 0 0140 7b.e19324] fec0: c0598d04 c07e05f8 00000001 00000000 c0599298 c5950b64 c0599298 c478e000
 2423 12:20:07.051769  dd5798 b6ea74cf b[6 e 21d077e.66
 2424 12:20:07.093351  9669] fee0: b6de0000 00020000 00000004 0000000d 0001fff3 c478fee0 00000001 00000805
 2425 12:20:07.093914  
 2426 12:20:07.094377  # [  106.906664][  C o1d0e7:. 609928] ff00: c5a29680 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 2427 12:20:07.094808  0000000 00000002 [0 0 0100070.0600190] ff20: 00000000 00000000 c478e000 bc7144ce b6ddf000 c5a91680 c5a91680 c478e000
 2428 12:20:07.095237   00000000 (e1a0c00d)[  
 2429 12:20:07.095641   
 2430 12:20:07.096040  1#0 7[.660452] ff40: b6de0000 00000000 00000000 00000004 c478ff94 c478ff60 c0599298 c0598c04
 2431 12:20:07.137350   106.912766] ---[[  e n1d0 7t.r6a0884] ff60: 00000000 00000000 c478ffac bc7144ce 0000000d 0000000d b6f27e00 00000004
 2432 12:20:07.137904  ce 602be0240ace62[4 b  1]0-7-.-6
 2433 12:20:07.138373  1144] ff80: c03002e4 c478e000 c478ffa4 c478ff98 c0599328 c0599230 00000000 c478ffa8
 2434 12:20:07.138810  
 2435 12:20:07.139226  # EXEC_KMALLOC: [m i s1s0i7n.g6 1403] ffa0: c03000c0 c059931c 0000000d 0000000d 00000001 b6de0000 0000000d 00000000
 2436 12:20:07.139641  'call trace:': [FA[I L ]1
 2437 12:20:07.140045  0
 2438 12:20:07.140450  7n.o701664] ffc0: 0000000d 0000000d b6f27e00 00000004 00000001 00000000 00020000 be987a64
 2439 12:20:07.140899   ok 32 selftest[s :  1l0k7d.t7m1:010] ffe0: 00000004 be987798 b6e924cf b6e187e6 800e0030 00000001 00000000 00000000
 2440 12:20:07.181364   EXEC_KMALLOC.sh [#   e1x0i7t.=712175] Backtrace: 
 2441 12:20:07.181918  
 2442 12:20:07.182382  # selftests: lkdtm: EXEC_VMALLO[  107.726723] [<c135da28>] (execute_location) from [<c0c33e34>] (lkdtm_EXEC_VMALLOC+0x28/0x34)
 2443 12:20:07.182815  C.sh
 2444 12:20:07.183233  [  107.738016]  r7:c478ff60 r6:0000000d r5:c5bb7000 r4:f096c000
 2445 12:20:07.183647  [  107.744199] [<c0c33e0c>] (lkdtm_EXEC_VMALLOC) from [<c0c33040>] (lkdtm_do_action+0x2c/0x4c)
 2446 12:20:07.184057  [  107.752558]  r5:c5bb7000 r4:00000022
 2447 12:20:07.184460  [  107.756148] [<c0c33014>] (lkdtm_do_action) from [<c0c33540>] (direct_entry+0x120/0x18c)
 2448 12:20:07.225344  [  107.764173] [<c0c33420>] (direct_entry) from [<c07e0650>] (full_proxy_write+0x64/0x94)
 2449 12:20:07.225895  [  107.772102]  r9:c478ff60 r8:c5357900 r7:0000000d r6:b6de0000 r5:c5a91680 r4:c0c33420
 2450 12:20:07.226368  [  107.779867] [<c07e05ec>] (full_proxy_write) from [<c0598d04>] (vfs_write+0x10c/0x524)
 2451 12:20:07.226796  [  107.787710]  r9:c07e05ec r8:c478ff60 r7:c2816000 r6:b6de0000 r5:c5a91680 r4:00000000
 2452 12:20:07.227207  [  107.795473] [<c0598bf8>] (vfs_write) from [<c0599298>] (ksys_write+0x74/0xec)
 2453 12:20:07.269366  [  107.802624]  r10:00000004 r9:00000000 r8:00000000 r7:b6de0000 r6:c478e000 r5:c5a91680
 2454 12:20:07.269921  [  107.810460]  r4:c5a91680
 2455 12:20:07.270382  [  107.813013] [<c0599224>] (ksys_write) from [<c0599328>] (sys_write+0x18/0x1c)
 2456 12:20:07.270819  [  107.820164]  r9:c478e000 r8:c03002e4 r7:00000004 r6:b6f27e00 r5:0000000d r4:0000000d
 2457 12:20:07.271226  [  107.827921] [<c0599310>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 2458 12:20:07.271612  [  107.835500] Exception stack(0xc478ffa8 to 0xc478fff0)
 2459 12:20:07.271998  [  107.840566] ffa0:                   0000000d 0000000d 00000001 b6de0000 0000000d 00000000
 2460 12:20:07.312810  [  107.848759] ffc0: 0000000d 0000000d b6f27e00 00000004 00000001 00000000 00020000 be987a64
 2461 12:20:07.312927  [  107.856947] ffe0: 00000004 be987798 b6e924cf b6e187e6
 2462 12:20:07.312998  [  107.862017] Code: bad PC value
 2463 12:20:07.313063  [  107.865168] ---[ end trace 602be0240ace624c ]---
 2464 12:20:07.313126  # Segmentation fault
 2465 12:20:07.397297  # [  107.374470] lkdtm: Performing direct entry EXEC_VMALLOC
 2466 12:20:07.397467  # [  107.381162] lkdtm: attempting ok execution at c0c33db0
 2467 12:20:07.397545  # [  107.389100] lkdtm: attempting bad execution at f096c000
 2468 12:20:07.397618  # [  107.397180] 8<--- cut here ---
 2469 12:20:07.397688  # [  107.403033] Unable to handle kernel paging request at virtual address f096c000
 2470 12:20:07.397758  # [  107.412466] pgd = 3355dd02
 2471 12:20:07.397824  # [  107.418053] [f096c000] *pgd=12949811, *pte=49af865f, *ppte=49af845f
 2472 12:20:07.397891  # [  107.427167] Internal error: Oops: 8000000f [#6] SMP ARM
 2473 12:20:07.441082  # [  107.435223] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3
 2474 12:20:07.441483  # [  107.466940] CPU: 3 PID: 2025 Comm: cat Tainted: G      D W         5.10.162-cip23 #1
 2475 12:20:07.441806  # [  107.476934] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 2476 12:20:07.489142  # [  107.485290] PC is at 0xf096c000
 2477 12:20:07.489658  # [  107.490613] LR is at execute_location+0xa4/0xb4
 2478 12:20:07.490012  # [  107.497992] pc : [<f096c000>]    lr : [<c135dacc>]    psr: 600e0013
 2479 12:20:07.490322  # [  107.506169] sp : c478fe30  ip : c478fd38  fp : c478fe4c
 2480 12:20:07.490617  # [  107.513214] r10: 0000000d  r9 : c1accef4  r8 : c15e8704
 2481 12:20:07.490903  # [  107.520090] r7 : c478ff60  r6 : 00000001  r5 : f096c000  r4 : c0c33db0
 2482 12:20:07.491187  # [  107.528440] r3 : bc7144ce  r2 : bc7144ce  r1 : ef7c05e0  r0 : 0000002b
 2483 12:20:07.533197  # [  107.536791] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 2484 12:20:07.533743  # [  107.545836] Control: 10c5387d  Table: 16f6404a  DAC: 00000051
 2485 12:20:07.534114  # [  107.553579] Process cat (pid: 2025, stack limit = 0x203981b5)
 2486 12:20:07.534447  # [  107.561319] Stack: (0xc478fe30 to 0xc4790000)
 2487 12:20:07.534810  # [  107.567590] fe20:                                     f096c000 c5bb7000 0000000d c478ff60
 2488 12:20:07.535142  # [  107.577939] fe40: c478fe64 c478fe50 c0c33e34 c135da34 00000022 c5bb7000 c478fe74 c478fe68
 2489 12:20:07.535480  # [  107.588370] fe60: c0c33040 c0c33e18 c478fe9c c478fe78 c0c33540 c0c33020 c0c33420 c5a91680
 2490 12:20:07.577160  # [  107.598716] fe80: b6de0000 0000000d c5357900 c478ff60 c478fec4 c478fea0 c07e0650 c0c3342c
 2491 12:20:07.577721  # [  107.608977] fea0: 00000000 c5a91680 b6de0000 c2816000 c478ff60 c07e05ec c478ff5c c478fec8
 2492 12:20:07.578131  # [  107.619324] fec0: c0598d04 c07e05f8 00000001 00000000 c0599298 c5950b64 c0599298 c478e000
 2493 12:20:07.578471  # [  107.629669] fee0: b6de0000 00020000 00000004 0000000d 0001fff3 c478fee0 00000001 00000805
 2494 12:20:07.578793  # [  107.639928] ff00: c5a29680 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 2495 12:20:07.621118  # [  107.650190] ff20: 00000000 00000000 c478e000 bc7144ce b6ddf000 c5a91680 c5a91680 c478e000
 2496 12:20:07.621667  # [  107.660452] ff40: b6de0000 00000000 00000000 00000004 c478ff94 c478ff60 c0599298 c0598c04
 2497 12:20:07.622027  # [  107.670884] ff60: 00000000 00000000 c478ffac bc7144ce 0000000d 0000000d b6f27e00 00000004
 2498 12:20:07.622357  # [  107.681144] ff80: c03002e4 c478e000 c478ffa4 c478ff98 c0599328 c0599230 00000000 c478ffa8
 2499 12:20:07.622674  # [  107.691403] ffa0: c03000c0 c059931c 0000000d 0000000d 00000001 b6de0000 0000000d 00000000
 2500 12:20:07.665341  # [  107.701664] ffc0: 0000000d 0000000d b6f27e00 00000004 00000001 00000000 00020000 be987a64
 2501 12:20:07.665884  # [  107.712010] ffe0: 00000004 be987798 b6e924cf b6e187e6 800e0030 00000001 00000000 00000000
 2502 12:20:07.666243  # [  107.722175] Backtrace: 
 2503 12:20:07.666570  # [  107.726723] [<c135da28>] (execute_location) from [<c0c33e34>] (lkdtm_EXEC_VMALLOC+0x28/0x34)
 2504 12:20:07.666887  # [  107.738016]  r7:c478ff60 r6:0000000d r5:c5bb7000 r4:f096c000
 2505 12:20:07.667193  # [  107.744199] [<c0c33e0c>] (lkdtm_EXEC_VMALLOC) from [<c0c33040>] (lkdtm_do_action+0x2c/0x4c)
 2506 12:20:07.667494  # [  107.752558]  r5:c5bb7000 r4:00000022
 2507 12:20:07.709138  # [  107.756148] [<c0c33014>] (lkdtm_do_action) from [<c0c33540>] (direct_entry+0x120/0x18c)
 2508 12:20:07.709678  # [  107.764173] [<c0c33420>] (direct_entry) from [<c07e0650>] (full_proxy_write+0x64/0x94)
 2509 12:20:07.710033  # [  107.772102]  r9:c478ff60 r8:c5357900 r7:0000000d r6:b6de0000 r5:c5a91680 r4:c0c33420
 2510 12:20:07.710362  # [  107.779867] [<c07e05ec>] (full_proxy_write) from [<c0598d04>] (vfs_write+0x10c/0x524)
 2511 12:20:07.710674  # [  107.787710]  r9:c07e05ec r8:c478ff60 r7:c2816000 r6:b6de0000 r5:c5a91680 r4:00000000
 2512 12:20:07.753349  # [  107.795473] [<c0598bf8>] (vfs_write) from [<c0599298>] (ksys_write+0x74/0xec)
 2513 12:20:07.753891  # [  107.802624]  r10:00000004 r9:00000000 r8:0[  108.306208] lkdtm: Performing direct entry EXEC_RODATA
 2514 12:20:07.754258  0000000 r7:b6de0000 r6:c478e000 r[  108.314026] lkdtm: attempting ok execution at c0c33db0
 2515 12:20:07.754603  5:c5a91680
 2516 12:20:07.754929  # [  107.810460]  r4:[  108.321968] lkdtm: attempting bad execution at c15e89a0
 2517 12:20:07.755244  c5a91680
 2518 12:20:07.755545  # [  107.813013] [<c059[  108.330118] 8<--- cut here ---
 2519 12:20:07.797420  9224>] (ksys_write) [f r o1m0 8[.335891] Unable to handle kernel paging request at virtual address c15e89a0
 2520 12:20:07.797979  c0599328>] (sys_[w r i1t0e8+.03x45364] pgd = 442a592b
 2521 12:20:07.798340  8/0x1c)
 2522 12:20:07.798672  # [  107.820164]  r[9 : 108.350148] [c15e89a0] *pgd=1141941e(bad)
 2523 12:20:07.798988  478e000 r8:c03002e4 r[7 : 0100080356762] Internal error: Oops: 8000000d [#7] SMP ARM
 2524 12:20:07.841431  0004 r6:b6f27e00 r5:0000000d r4:0[  108.364237] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3
 2525 12:20:07.841997  000000d
 2526 12:20:07.842362  # [  107.82792[1 ]  1[0<.395936] CPU: 1 PID: 2102 Comm: cat Tainted: G      D W         5.10.162-cip23 #1
 2527 12:20:07.842698  c0599310>] (sys[_ w r10i8t.e4)0 6011] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 2528 12:20:07.843019  rom [<c03000c0>] (ret_fast_sysca[  108.414541] PC is at lkdtm_rodata_do_nothing+0x0/0x10
 2529 12:20:07.843332  l+0x0/0x28)
 2530 12:20:07.843631  # [  107.835500] E[x 108.422363] LR is at execute_location+0xa4/0xb4
 2531 12:20:07.885391  ception stack(0[x c 417088f.f4a28569] pc : [<c15e89a0>]    lr : [<c135dacc>]    psr: 600e0013
 2532 12:20:07.885935   to 0xc478fff0[) 
 2533 12:20:07.886295   
 2534 12:20:07.886619  1#0 8[. 4 317827] sp : c5a7de38  ip : c5a7dd40  fp : c5a7de54
 2535 12:20:07.886945  7.840566] ff[a 0 :1 0 8 . 4 4 5 044] r10: 0000000c  r9 : c1accf04  r8 : c15e8704
 2536 12:20:07.887267             0000[0 0 010d8 .040502174] r7 : c5a7df60  r6 : 00000000  r5 : c15e89a0  r4 : c0c33db0
 2537 12:20:07.887572  000d 00000001[  b 61d0e80.040600 92] r3 : 385bb435  r2 : 385bb435  r1 : ef7965e0  r0 : 0000002b
 2538 12:20:07.887883  0000000d 00000000
 2539 12:20:07.888188  [
 2540 12:20:07.929405   #  1[0 8 .1469127] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 2541 12:20:07.929956  7.848759] ffc0[:   0100080.040708426] Control: 10c5387d  Table: 16ec004a  DAC: 00000051
 2542 12:20:07.930331   0000000d b6f27e00[  0 0100080.0486164] Process cat (pid: 2102, stack limit = 0xe8bb8d6e)
 2543 12:20:07.930665  4 00000001 000000[0 0  100080.2404073] Stack: (0xc5a7de38 to 0xc5a7e000)
 2544 12:20:07.930991  000 be987a64
 2545 12:20:07.931312  # [  [1 0 71.0885.600510] de20:                                                       00000023 c6e35000
 2546 12:20:07.973428  947] ffe0: 00000004 [b e 9180787.510853] de40: 0000000c c5a7df60 c5a7de64 c5a7de58 c135dcb4 c135da34 c5a7de74 c5a7de68
 2547 12:20:07.973982  8 b6e924cf b6e187e6
 2548 12:20:07.974347  [
 2549 12:20:07.974676   #  1[0 8 .521283] de60: c0c33040 c135dc9c c5a7de9c c5a7de78 c0c33540 c0c33020 c0c33420 c5a29cc0
 2550 12:20:07.974999  07.862017] Code: bad [P C  1v0a8l531711] de80: b6e36000 0000000c c5357900 c5a7df60 c5a7dec4 c5a7dea0 c07e0650 c0c3342c
 2551 12:20:07.975325  ue
 2552 12:20:07.975623  # [  107.865168] [- - -1[0 8e542140] dea0: 00000000 c5a29cc0 b6e36000 c2816000 c5a7df60 c07e05ec c5a7df5c c5a7dec8
 2553 12:20:08.017433  nd trace 602be0240ace[6 2 41c0 8]552569] dec0: c0598d04 c07e05f8 00000001 00000000 c0599298 c13732e0 c0599298 c5a7c000
 2554 12:20:08.017982  ---
 2555 12:20:08.018346  # EXEC_VMALLOC: mi[s s i1n0g.562999] dee0: b6e36000 00020000 00000004 0000000c 0001fff4 c5a7dee0 00000001 b6e35000
 2556 12:20:08.018681   'call trace:': [FAIL[] 
 2557 12:20:08.018992   
 2558 12:20:08.019297  1n0o8t573512] df00: c6a1a140 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 2559 12:20:08.019605   ok 33 selftests: lk[d t m1:0 8E.583939] df20: 00000000 00000000 c13732e0 385bb435 c205c620 c5a29cc0 c5a29cc0 c5a7c000
 2560 12:20:08.019909  EC_VMALLOC.sh # exit=[1 
 2561 12:20:08.020203   
 2562 12:20:08.061407  1#0 8s594367] df40: b6e36000 00000000 00000000 00000004 c5a7df94 c5a7df60 c0599298 c0598c04
 2563 12:20:08.061955  elftests: lkdtm: EXEC[_ R O1D0A8T604794] df60: 00000000 00000000 c5a7dfac 385bb435 0000000c 0000000c b6f7de00 00000004
 2564 12:20:08.062360  A.sh
 2565 12:20:08.062696  [  108.615221] df80: c03002e4 c5a7c000 c5a7dfa4 c5a7df98 c0599328 c0599230 00000000 c5a7dfa8
 2566 12:20:08.063016  [  108.623914] dfa0: c03000c0 c059931c 0000000c 0000000c 00000001 b6e36000 0000000c 00000000
 2567 12:20:08.063329  [  108.632100] dfc0: 0000000c 0000000c b6f7de00 00000004 00000001 00000000 00020000 becb5a64
 2568 12:20:08.105201  [  108.640286] dfe0: 00000004 becb5798 b6ee84cf b6e6e7e6 800e0030 00000001 00000000 00000000
 2569 12:20:08.105749  [  108.648466] Backtrace: 
 2570 12:20:08.106108  [  108.650934] [<c135da28>] (execute_location) from [<c135dcb4>] (lkdtm_EXEC_RODATA+0x24/0x28)
 2571 12:20:08.106439  [  108.659294]  r7:c5a7df60 r6:0000000c r5:c6e35000 r4:00000023
 2572 12:20:08.106756  [  108.664969] [<c135dc90>] (lkdtm_EXEC_RODATA) from [<c0c33040>] (lkdtm_do_action+0x2c/0x4c)
 2573 12:20:08.107066  [  108.673243] [<c0c33014>] (lkdtm_do_action) from [<c0c33540>] (direct_entry+0x120/0x18c)
 2574 12:20:08.149137  [  108.681261] [<c0c33420>] (direct_entry) from [<c07e0650>] (full_proxy_write+0x64/0x94)
 2575 12:20:08.149679  [  108.689187]  r9:c5a7df60 r8:c5357900 r7:0000000c r6:b6e36000 r5:c5a29cc0 r4:c0c33420
 2576 12:20:08.150037  [  108.696947] [<c07e05ec>] (full_proxy_write) from [<c0598d04>] (vfs_write+0x10c/0x524)
 2577 12:20:08.150364  [  108.704784]  r9:c07e05ec r8:c5a7df60 r7:c2816000 r6:b6e36000 r5:c5a29cc0 r4:00000000
 2578 12:20:08.150680  [  108.712536] [<c0598bf8>] (vfs_write) from [<c0599298>] (ksys_write+0x74/0xec)
 2579 12:20:08.150986  [  108.719679]  r10:00000004 r9:00000000 r8:00000000 r7:b6e36000 r6:c5a7c000 r5:c5a29cc0
 2580 12:20:08.151287  [  108.727512]  r4:c5a29cc0
 2581 12:20:08.193167  [  108.730055] [<c0599224>] (ksys_write) from [<c0599328>] (sys_write+0x18/0x1c)
 2582 12:20:08.193710  [  108.737199]  r9:c5a7c000 r8:c03002e4 r7:00000004 r6:b6f7de00 r5:0000000c r4:0000000c
 2583 12:20:08.194071  [  108.744953] [<c0599310>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 2584 12:20:08.194409  [  108.752528] Exception stack(0xc5a7dfa8 to 0xc5a7dff0)
 2585 12:20:08.194734  [  108.757587] dfa0:                   0000000c 0000000c 00000001 b6e36000 0000000c 00000000
 2586 12:20:08.195049  [  108.765772] dfc0: 0000000c 0000000c b6f7de00 00000004 00000001 00000000 00020000 becb5a64
 2587 12:20:08.237009  [  108.773955] dfe0: 00000004 becb5798 b6ee84cf b6e6e7e6
 2588 12:20:08.237096  [  108.779015] Code: 5f727563 6e756f63 00000074 aa55aa55 (e1a0c00d) 
 2589 12:20:08.237165  [  108.785119] ---[ end trace 602be0240ace624d ]---
 2590 12:20:08.237229  # Segmentation fault
 2591 12:20:08.322009  # [  108.306208] lkdtm: Performing direct entry EXEC_RODATA
 2592 12:20:08.322187  # [  108.314026] lkdtm: attempting ok execution at c0c33db0
 2593 12:20:08.322265  # [  108.321968] lkdtm: attempting bad execution at c15e89a0
 2594 12:20:08.322338  # [  108.330118] 8<--- cut here ---
 2595 12:20:08.322409  # [  108.335891] Unable to handle kernel paging request at virtual address c15e89a0
 2596 12:20:08.322477  # [  108.345364] pgd = 442a592b
 2597 12:20:08.322542  # [  108.350148] [c15e89a0] *pgd=1141941e(bad)
 2598 12:20:08.322608  # [  108.356762] Internal error: Oops: 8000000d [#7] SMP ARM
 2599 12:20:08.364910  # [  108.364237] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3
 2600 12:20:08.364999  # [  108.395936] CPU: 1 PID: 2102 Comm: cat Tainted: G      D W         5.10.162-cip23 #1
 2601 12:20:08.365103  # [  108.406011] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 2602 12:20:08.409191  # [  108.414541] PC is at lkdtm_rodata_do_nothing+0x0/0x10
 2603 12:20:08.409701  # [  108.422363] LR is at execute_location+0xa4/0xb4
 2604 12:20:08.410041  # [  108.429569] pc : [<c15e89a0>]    lr : [<c135dacc>]    psr: 600e0013
 2605 12:20:08.410350  # [  108.437827] sp : c5a7de38  ip : c5a7dd40  fp : c5a7de54
 2606 12:20:08.410647  # [  108.445044] r10: 0000000c  r9 : c1accf04  r8 : c15e8704
 2607 12:20:08.410938  # [  108.452174] r7 : c5a7df60  r6 : 00000000  r5 : c15e89a0  r4 : c0c33db0
 2608 12:20:08.411221  # [  108.460692] r3 : 385bb435  r2 : 385bb435  r1 : ef7965e0  r0 : 0000002b
 2609 12:20:08.453200  # [  108.469127] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 2610 12:20:08.453715  # [  108.478426] Control: 10c5387d  Table: 16ec004a  DAC: 00000051
 2611 12:20:08.454056  # [  108.486164] Process cat (pid: 2102, stack limit = 0xe8bb8d6e)
 2612 12:20:08.454363  # [  108.494073] Stack: (0xc5a7de38 to 0xc5a7e000)
 2613 12:20:08.454661  # [  108.500510] de20:                                                       00000023 c6e35000
 2614 12:20:08.454956  # [  108.510853] de40: 0000000c c5a7df60 c5a7de64 c5a7de58 c135dcb4 c135da34 c5a7de74 c5a7de68
 2615 12:20:08.455241  # [  108.521283] de60: c0c33040 c135dc9c c5a7de9c c5a7de78 c0c33540 c0c33020 c0c33420 c5a29cc0
 2616 12:20:08.497147  # [  108.531711] de80: b6e36000 0000000c c5357900 c5a7df60 c5a7dec4 c5a7dea0 c07e0650 c0c3342c
 2617 12:20:08.497325  # [  108.542140] dea0: 00000000 c5a29cc0 b6e36000 c2816000 c5a7df60 c07e05ec c5a7df5c c5a7dec8
 2618 12:20:08.497409  # [  108.552569] dec0: c0598d04 c07e05f8 00000001 00000000 c0599298 c13732e0 c0599298 c5a7c000
 2619 12:20:08.497488  # [  108.562999] dee0: b6e36000 00020000 00000004 0000000c 0001fff4 c5a7dee0 00000001 b6e35000
 2620 12:20:08.497563  # [  108.573512] df00: c6a1a140 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 2621 12:20:08.541197  # [  108.583939] df20: 00000000 00000000 c13732e0 385bb435 c205c620 c5a29cc0 c5a29cc0 c5a7c000
 2622 12:20:08.541749  # [  108.594367] df40: b6e36000 00000000 00000000 00000004 c5a7df94 c5a7df60 c0599298 c0598c04
 2623 12:20:08.542115  # [  108.604794] df60: 00000000 00000000 c5a7dfac 385bb435 0000000c 0000000c b6f7de00 00000004
 2624 12:20:08.542450  # [  108.615221] df80: c03002e4 c5a7c000 c5a7dfa4 c5a7df98 c0599328 c0599230 00000000 c5a7dfa8
 2625 12:20:08.542771  # [  108.623914] dfa0: c03000c0 c059931c 0000000c 0000000c 00000001 b6e36000 0000000c 00000000
 2626 12:20:08.585192  # [  108.632100] dfc0: 0000000c 0000000c b6f7de00 00000004 00000001 00000000 00020000 becb5a64
 2627 12:20:08.585739  # [  108.640286] dfe0: 00000004 becb5798 b6ee84cf b6e6e7e6 800e0030 00000001 00000000 00000000
 2628 12:20:08.586100  # [  108.648466] Backtrace: 
 2629 12:20:08.586432  # [  108.650934] [<c135da28>] (execute_location) from [<c135dcb4>] (lkdtm_EXEC_RODATA+0x24/0x28)
 2630 12:20:08.586759  # [  108.659294]  r7:c5a7df60 r6:0000000c r5:c6e35000 r4:00000023
 2631 12:20:08.587076  # [  108.664969] [<c135dc90>] (lkdtm_EXEC_RODATA) from [<c0c33040>] (lkdtm_do_action+0x2c/0x4c)
 2632 12:20:08.629010  # [  108.673243] [<c0c33014>] (lkdtm_do_action) from [<c0c33540>] (direct_entry+0x120/0x18c)
 2633 12:20:08.629231  # [  108.681261] [<c0c33420>] (direct_entry) from [<c07e0650>] (full_proxy_write+0x64/0x94)
 2634 12:20:08.629352  # [  108.689187]  r9:c5a7df60 r8:c5357900 r7:0000000c r6:b6e36000 r5:c5a29cc0 r4:c0c33420
 2635 12:20:08.629462  # [  108.696947] [<c07e05ec>] (full_proxy_write) from [<c0598d04>] (vfs_write+0x10c/0x524)
 2636 12:20:08.629567  # [  108.704784]  r9:c07e05ec r8:c5a7df60 r7:c2816000 r6:b6e36000 r5:c5a29cc0 r4:00000000
 2637 12:20:08.629670  # [  108.712536] [<c0598bf8>] (vfs_write) from [<c0599298>] (ksys_write+0x74/0xec)
 2638 12:20:08.673438  # [  108.719679]  r10:00000004 r9:00000000 r8:00000000 r7:b6e36000 r6:c5a7c000 r5:c5a29cc0
 2639 12:20:08.674003  # [  108.727512]  r4:c5a29cc0
 2640 12:20:08.674379  # [  108.730055] [<c0599224>] (ksys_write) from [<c0599328>] (sys_write+0x18/0x1c)
 2641 12:20:08.674718  # [  108.737199]  r9:c5a7c000 r8:c03002e4 r7:00000004 r6:b6f7de00 r5:0000000c r4:0000000c
 2642 12:20:08.675039  #[  109.248433] lkdtm: Performing direct entry EXEC_USERSPACE
 2643 12:20:08.675351   [  108.744953] [<c0599310>] (sys[  109.256412] lkdtm: attempting ok execution at c0c33db0
 2644 12:20:08.717443  _write) from [<c03000c0>] (ret_fa[  109.264456] lkdtm: attempting bad execution at b6fa2000
 2645 12:20:08.717993  st_syscall+0x0/0x28)
 2646 12:20:08.718354  # [  108.75[  109.272603] Unhandled prefetch abort: page domain fault (0x00b) at 0xb6fa2000
 2647 12:20:08.718693  [  109.282540] Internal error: : b [#8] SMP ARM
 2648 12:20:08.761425  [  109.286818] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3
 2649 12:20:08.761988  [  109.315853] CPU: 0 PID: 2178 Comm: cat Tainted: G      D W         5.10.162-cip23 #1
 2650 12:20:08.762357  [  109.323602] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 2651 12:20:08.762690  [  109.330139] PC is at 0xb6fa2000
 2652 12:20:08.763010  [  109.333295] LR is at lkdtm_EXEC_USERSPACE+0xc4/0xd4
 2653 12:20:08.763324  [  109.338178] pc : [<b6fa2000>]    lr : [<c0c33f04>]    psr: 600e0013
 2654 12:20:08.763632  [  109.344450] sp : c6be7e48  ip : c6be7d50  fp : c6be7e64
 2655 12:20:08.763935  [  109.349679] r10: 0000000f  r9 : c1accf10  r8 : c15e8704
 2656 12:20:08.805488  [  109.354909] r7 : c6be7f60  r6 : 0000000f  r5 : c5c07000  r4 : b6fa2000
 2657 12:20:08.806036  [  109.361440] r3 : 886fff27  r2 : 886fff27  r1 : ef7815e0  r0 : 0000002b
 2658 12:20:08.806401  [  109.367974] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 2659 12:20:08.806738  [  109.375114] Control: 10c5387d  Table: 147c404a  DAC: 00000051
 2660 12:20:08.807061  [  109.380866] Process cat (pid: 2178, stack limit = 0xbf05eee4)
 2661 12:20:08.807371  [  109.386619] Stack: (0xc6be7e48 to 0xc6be8000)
 2662 12:20:08.849440  [  109.390986] 7e40:                   00000001 00000000 0000000f 00000024 c6be7e74 c6be7e68
 2663 12:20:08.849988  [  109.399172] 7e60: c0c33040 c0c33e4c c6be7e9c c6be7e78 c0c33540 c0c33020 c0c33420 c5b34140
 2664 12:20:08.850354  [  109.407358] 7e80: b6e5c000 0000000f c5357900 c6be7f60 c6be7ec4 c6be7ea0 c07e0650 c0c3342c
 2665 12:20:08.850693  [  109.415543] 7ea0: 00000000 c5b34140 b6e5c000 c2816000 c6be7f60 c07e05ec c6be7f5c c6be7ec8
 2666 12:20:08.851013  [  109.423727] 7ec0: c0598d04 c07e05f8 00000001 00000000 c0599298 c13732e0 c0599298 c6be6000
 2667 12:20:08.851322  [  109.431914] 7ee0: b6e5c000 00020000 00000004 0000000f 0001fff1 c6be7ee0 00000001 b6e5b000
 2668 12:20:08.893434  [  109.440100] 7f00: c5d6f180 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 2669 12:20:08.893980  [  109.448287] 7f20: 00000000 00000000 c13732e0 886fff27 c205c620 c5b34140 c5b34140 c6be6000
 2670 12:20:08.894347  [  109.456472] 7f40: b6e5c000 00000000 00000000 00000004 c6be7f94 c6be7f60 c0599298 c0598c04
 2671 12:20:08.894681  [  109.464657] 7f60: 00000000 00000000 c6be7fac 886fff27 0000000f 0000000f b6fa3e00 00000004
 2672 12:20:08.895006  [  109.472842] 7f80: c03002e4 c6be6000 c6be7fa4 c6be7f98 c0599328 c0599230 00000000 c6be7fa8
 2673 12:20:08.937351  [  109.481027] 7fa0: c03000c0 c059931c 0000000f 0000000f 00000001 b6e5c000 0000000f 00000000
 2674 12:20:08.937899  [  109.489212] 7fc0: 0000000f 0000000f b6fa3e00 00000004 00000001 00000000 00020000 be9f0a64
 2675 12:20:08.938265  [  109.497397] 7fe0: 00000004 be9f0798 b6f0e4cf b6e947e6 800e0030 00000001 00000000 00000000
 2676 12:20:08.938601  [  109.505576] Backtrace: 
 2677 12:20:08.938923  [  109.508044] [<c0c33e40>] (lkdtm_EXEC_USERSPACE) from [<c0c33040>] (lkdtm_do_action+0x2c/0x4c)
 2678 12:20:08.939240  [  109.516573]  r4:00000024
 2679 12:20:08.939545  [  109.519120] [<c0c33014>] (lkdtm_do_action) from [<c0c33540>] (direct_entry+0x120/0x18c)
 2680 12:20:08.981320  [  109.527137] [<c0c33420>] (direct_entry) from [<c07e0650>] (full_proxy_write+0x64/0x94)
 2681 12:20:08.981873  [  109.535062]  r9:c6be7f60 r8:c5357900 r7:0000000f r6:b6e5c000 r5:c5b34140 r4:c0c33420
 2682 12:20:08.982240  [  109.542820] [<c07e05ec>] (full_proxy_write) from [<c0598d04>] (vfs_write+0x10c/0x524)
 2683 12:20:08.982574  [  109.550659]  r9:c07e05ec r8:c6be7f60 r7:c2816000 r6:b6e5c000 r5:c5b34140 r4:00000000
 2684 12:20:08.982896  [  109.558411] [<c0598bf8>] (vfs_write) from [<c0599298>] (ksys_write+0x74/0xec)
 2685 12:20:09.025333  [  109.565556]  r10:00000004 r9:00000000 r8:00000000 r7:b6e5c000 r6:c6be6000 r5:c5b34140
 2686 12:20:09.025876  [  109.573389]  r4:c5b34140
 2687 12:20:09.026238  [  109.575933] [<c0599224>] (ksys_write) from [<c0599328>] (sys_write+0x18/0x1c)
 2688 12:20:09.026576  [  109.583076]  r9:c6be6000 r8:c03002e4 r7:00000004 r6:b6fa3e00 r5:0000000f r4:0000000f
 2689 12:20:09.026898  [  109.590830] [<c0599310>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 2690 12:20:09.027210  [  109.598405] Exception stack(0xc6be7fa8 to 0xc6be7ff0)
 2691 12:20:09.027515  [  109.603465] 7fa0:                   0000000f 0000000f 00000001 b6e5c000 0000000f 00000000
 2692 12:20:09.068869  [  109.611650] 7fc0: 0000000f 0000000f b6fa3e00 00000004 00000001 00000000 00020000 be9f0a64
 2693 12:20:09.069049  [  109.619832] 7fe0: 00000004 be9f0798 b6f0e4cf b6e947e6
 2694 12:20:09.069118  [  109.624897] Code: bad PC value
 2695 12:20:09.069211  [  109.627963] ---[ end trace 602be0240ace624e ]---
 2696 12:20:09.069302  2528] Exception stack(0xc5a7dfa8 to 0xc5a7dff0)
 2697 12:20:09.069378  # [  108.757587] dfa0:                   0000000c 0000000c 00000001 b6e36000 0000000c 00000000
 2698 12:20:09.069467  # [  108.765772] dfc0: 0000000c 0000000c b6f7de00 00000004 00000001 00000000 00020000 becb5a64
 2699 12:20:09.112881  # [  108.773955] dfe0: 00000004 becb5798 b6ee84cf b6e6e7e6
 2700 12:20:09.112982  # [  108.779015] Code: 5f727563 6e756f63 00000074 aa55aa55 (e1a0c00d) 
 2701 12:20:09.113081  # [  108.785119] ---[ end trace 602be0240ace624d ]---
 2702 12:20:09.113146  # EXEC_RODATA: missing 'call trace:': [FAIL]
 2703 12:20:09.113210  not ok 34 selftests: lkdtm: EXEC_RODATA.sh # exit=1
 2704 12:20:09.113271  # selftests: lkdtm: EXEC_USERSPACE.sh
 2705 12:20:09.113330  # Segmentation fault
 2706 12:20:09.190630  # [  109.248433] lkdtm: Performing direct entry EXEC_USERSPACE
 2707 12:20:09.191108  # [  109.256412] lkdtm: attempting ok execution at c0c33db0
 2708 12:20:09.191455  # [  109.264456] lkdtm: attempting bad execution at b6fa2000
 2709 12:20:09.191763  # [  109.272603] Unhandled prefetch abort: page domain fault (0x00b) at 0xb6fa2000
 2710 12:20:09.192061  # [  109.282540] Internal error: : b [#8] SMP ARM
 2711 12:20:09.233809  # [  109.286818] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3
 2712 12:20:09.234370  # [  109.315853] CPU: 0 PID: 2178 Comm: cat Tainted: G      D W         5.10.162-cip23 #1
 2713 12:20:09.234737  # [  109.323602] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 2714 12:20:09.235075  # [  109.330139] PC is at 0xb6fa2000
 2715 12:20:09.235397  # [  109.333295] LR is at lkdtm_EXEC_USERSPACE+0xc4/0xd4
 2716 12:20:09.277146  # [  109.338178] pc : [<b6fa2000>]    lr : [<c0c33f04>]    psr: 600e0013
 2717 12:20:09.277697  # [  109.344450] sp : c6be7e48  ip : c6be7d50  fp : c6be7e64
 2718 12:20:09.278060  # [  109.349679] r10: 0000000f  r9 : c1accf10  r8 : c15e8704
 2719 12:20:09.278396  # [  109.354909] r7 : c6be7f60  r6 : 0000000f  r5 : c5c07000  r4 : b6fa2000
 2720 12:20:09.278717  # [  109.361440] r3 : 886fff27  r2 : 886fff27  r1 : ef7815e0  r0 : 0000002b
 2721 12:20:09.279031  # [  109.367974] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 2722 12:20:09.279339  # [  109.375114] Control: 10c5387d  Table: 147c404a  DAC: 00000051
 2723 12:20:09.321128  # [  109.380866] Process cat (pid: 2178, stack limit = 0xbf05eee4)
 2724 12:20:09.321581  # [  109.386619] Stack: (0xc6be7e48 to 0xc6be8000)
 2725 12:20:09.321942  # [  109.390986] 7e40:                   00000001 00000000 0000000f 00000024 c6be7e74 c6be7e68
 2726 12:20:09.322285  # [  109.399172] 7e60: c0c33040 c0c33e4c c6be7e9c c6be7e78 c0c33540 c0c33020 c0c33420 c5b34140
 2727 12:20:09.322609  # [  109.407358] 7e80: b6e5c000 0000000f c5357900 c6be7f60 c6be7ec4 c6be7ea0 c07e0650 c0c3342c
 2728 12:20:09.322923  # [  109.415543] 7ea0: 00000000 c5b34140 b6e5c000 c2816000 c6be7f60 c07e05ec c6be7f5c c6be7ec8
 2729 12:20:09.365360  # [  109.423727] 7ec0: c0598d04 c07e05f8 00000001 00000000 c0599298 c13732e0 c0599298 c6be6000
 2730 12:20:09.365915  # [  109.431914] 7ee0: b6e5c000 00020000 00000004 0000000f 0001fff1 c6be7ee0 00000001 b6e5b000
 2731 12:20:09.366292  # [  109.440100] 7f00: c5d6f180 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 2732 12:20:09.366631  # [  109.448287] 7f20: 00000000 00000000 c13732e0 886fff27 c205c620 c5b34140 c5b34140 c6be6000
 2733 12:20:09.366956  # [  109.456472] 7f40: b6e5c000 00000000 00000000 00000004 c6be7f94 c6be7f60 c0599298 c0598c04
 2734 12:20:09.409122  # [  109.464657] 7f60: 00000000 00000000 c6be7fac 886fff27 0000000f 0000000f b6fa3e00 00000004
 2735 12:20:09.409669  # [  109.472842] 7f80: c03002e4 c6be6000 c6be7fa4 c6be7f98 c0599328 c0599230 00000000 c6be7fa8
 2736 12:20:09.410031  # [  109.481027] 7fa0: c03000c0 c059931c 0000000f 0000000f 00000001 b6e5c000 0000000f 00000000
 2737 12:20:09.410366  # [  109.489212] 7fc0: 0000000f 0000000f b6fa3e00 00000004 00000001 00000000 00020000 be9f0a64
 2738 12:20:09.410688  # [  109.497397] 7fe0: 00000004 be9f0798 b6f0e4cf b6e947e6 800e0030 00000001 00000000 00000000
 2739 12:20:09.411003  # [  109.505576] Backtrace: 
 2740 12:20:09.453120  # [  109.508044] [<c0c33e40>] (lkdtm_EXEC_USERSPACE) from [<c0c33040>] (lkdtm_do_action+0x2c/0x4c)
 2741 12:20:09.453664  # [  109.516573]  r4:00000024
 2742 12:20:09.454023  # [  109.519120] [<c0c33014>] (lkdtm_do_action) from [<c0c33540>] (direct_entry+0x120/0x18c)
 2743 12:20:09.454361  # [  109.527137] [<c0c33420>] (direct_entry) from [<c07e0650>] (full_proxy_write+0x64/0x94)
 2744 12:20:09.454686  # [  109.535062]  r9:c6be7f60 r8:c5357900 r7:0000000f r6:b6e5c000 r5:c5b34140 r4:c0c33420
 2745 12:20:09.455002  # [  109.542820] [<c07e05ec>] (full_proxy_write) from [<c0598d04>] (vfs_write+0x10c/0x524)
 2746 12:20:09.497333  # [  109.550659]  r9:c07e05ec r8:c6be7f60 r7:c2816000 r6:b6e5c000 r5:c5b34140 r4:00000000
 2747 12:20:09.497883  # [  109.558411] [<c0598bf8>] (vfs_write) from [<c0599298>] (ksys_write+0x74/0xec)
 2748 12:20:09.498250  # [  109.565556]  r10:00000004 r9:00000000 r8:00000000 r7:b6e5c000 r6:c6be6000 r5:c5b34140
 2749 12:20:09.498589  # [  109.573389]  r4:c5b34140
 2750 12:20:09.498908  # [  109.575933] [<c0599224>] (ksys_write) from [<c0599328>] (sys_write+0x18/0x1c)
 2751 12:20:09.499222  # [  109.583076]  r9:c6be6000 r[  110.079866] lkdtm: Performing direct entry EXEC_NULL
 2752 12:20:09.541123  8:c03002e4 r7:00000004 r6:b6fa3e0[  110.086967] lkdtm: attempting ok execution at c0c33db0
 2753 12:20:09.541680  0 r5:0000000f r4:0000000f
 2754 12:20:09.542050  # [  1[  110.094776] lkdtm: attempting bad execution at 00000000
 2755 12:20:09.542382  09.590830] [<c0599310>] (sys_writ[  110.102921] 8<--- cut here ---
 2756 12:20:09.542712  e) from [<c03000c0>] (ret_fast_sy[  110.108805] Unable to handle kernel NULL pointer dereference at virtual address 00000000
 2757 12:20:09.543031  scall+0x0/0x28)
 2758 12:20:09.543336  # [  109.598405][  110.119777] pgd = 937ef493
 2759 12:20:09.543636   Exception stack(0xc6be7fa8 to 0x[  110.125368] [00000000] *pgd=00000000
 2760 12:20:09.543937  c6be7ff0)
 2761 12:20:09.585363  # [  109.603465] 7fa0:[  110.131788] Internal error: Oops: 80000005 [#9] SMP ARM
 2762 12:20:09.585907                     0000000f 00000[  110.139839] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3
 2763 12:20:09.629161  00f 00000001 b6e5[c 0 0101 00.0101538] CPU: 3 PID: 2249 Comm: cat Tainted: G      D W         5.10.162-cip23 #1
 2764 12:20:09.629717  0000f 00000[0 0 01
 2765 12:20:09.630083  1
 2766 12:20:09.630416  0#. 1[8 1 319] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 2767 12:20:09.630747  09.611650] 7fc0:[  0 101000.01080711] PC is at 0x0
 2768 12:20:09.631069  f 0000000f b6fa3e00 00000004 00[0 110.194249] LR is at execute_location+0xa4/0xb4
 2769 12:20:09.631378  00001 000000[0 0  101000.2200010456] pc : [<00000000>]    lr : [<c135dacc>]    psr: 600e0013
 2770 12:20:09.631691   be9f0a[6 4 
 2771 12:20:09.631992  1
 2772 12:20:09.632291  1#0 .[2 0 9160390. sp : c595be38  ip : c595bd40  fp : c595be54
 2773 12:20:09.673418  619832][  7 f1e100:. 20160500020] r10: 0000000a  r9 : c1accf20  r8 : c15e8704
 2774 12:20:09.673974  04 be9f0798 [b 6 f101e04.c2f2 3b377] r7 : c595bf60  r6 : 00000000  r5 : 00000000  r4 : c0c33db0
 2775 12:20:09.674349  e947e6
 2776 12:20:09.674680  [#   [1 1 01.0293.1682141] r3 : f1ad66dd  r2 : f1ad66dd  r1 : ef7c05e0  r0 : 0000002b
 2777 12:20:09.675005  97] Code: ba[d   P11C0 .v2a4l0u0e5] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 2778 12:20:09.675328  
 2779 12:20:09.675631  # [  109[. 6 2171906.32]4 9-0-29] Control: 10c5387d  Table: 16eb004a  DAC: 00000051
 2780 12:20:09.675938  [ end trace 60[2 b e101204.02a5c6600] Process cat (pid: 2249, stack limit = 0x03b8826b)
 2781 12:20:09.676242  624e ]---
 2782 12:20:09.717198  [#   E1X1E0C._2U6S4E3R8] Stack: (0xc595be38 to 0xc595c000)
 2783 12:20:09.717742  SPACE: missin[g   '1c1a0l.l2 70t517] be20:                                                       00000025 c6c0c000
 2784 12:20:09.718112  ace:': [FAIL]
 2785 12:20:09.718446  not [o k  13150 .s80606] be40: 0000000a c595bf60 c595be64 c595be58 c135dcd8 c135da34 c595be74 c595be68
 2786 12:20:09.718774  elftests: lkd[t m :1 1E0X.E2C9_0U48] be60: c0c33040 c135dcc4 c595be9c c595be78 c0c33540 c0c33020 c0c33420 c2fd1540
 2787 12:20:09.719091  SERSPACE.sh # e[x i t1=110
 2788 12:20:09.719397  .
 2789 12:20:09.761411  3#0 033] be80: b6de0000 0000000a c5357900 c595bf60 c595bec4 c595bea0 c07e0650 c0c3342c
 2790 12:20:09.761963  selftests: lkdt[m :  1E1X0E.3C1_1205] bea0: 00000000 c2fd1540 b6de0000 c2816000 c595bf60 c07e05ec c595bf5c c595bec8
 2791 12:20:09.762335  ULL.sh
 2792 12:20:09.762663  [  110.321378] bec0: c0598d04 c07e05f8 00000001 00000000 c0599298 c5950324 c0599298 c595a000
 2793 12:20:09.762986  [  110.330245] bee0: b6de0000 00020000 00000004 0000000a 0001fff6 c595bee0 00000001 00000805
 2794 12:20:09.763299  [  110.338429] bf00: c59fc500 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 2795 12:20:09.805411  [  110.346615] bf20: 00000000 00000000 c595a000 f1ad66dd b6ddf000 c2fd1540 c2fd1540 c595a000
 2796 12:20:09.805962  [  110.354801] bf40: b6de0000 00000000 00000000 00000004 c595bf94 c595bf60 c0599298 c0598c04
 2797 12:20:09.806332  [  110.362986] bf60: 00000000 00000000 c595bfac f1ad66dd 0000000a 0000000a b6f27e00 00000004
 2798 12:20:09.806669  [  110.371172] bf80: c03002e4 c595a000 c595bfa4 c595bf98 c0599328 c0599230 00000000 c595bfa8
 2799 12:20:09.806994  [  110.379359] bfa0: c03000c0 c059931c 0000000a 0000000a 00000001 b6de0000 0000000a 00000000
 2800 12:20:09.807308  [  110.387543] bfc0: 0000000a 0000000a b6f27e00 00000004 00000001 00000000 00020000 be897a64
 2801 12:20:09.849402  
 2802 12:20:09.849950  [  110.395727] bfe0: 00000004 be897798 b6e924cf b6e187e6 800e0030 00000001 00000000 00000000
 2803 12:20:09.850317  [  110.403907] Backtrace: 
 2804 12:20:09.850651  [  110.406375] [<c135da28>] (execute_location) from [<c135dcd8>] (lkdtm_EXEC_NULL+0x20/0x24)
 2805 12:20:09.850976  [  110.414561]  r7:c595bf60 r6:0000000a r5:c6c0c000 r4:00000025
 2806 12:20:09.851287  [  110.420236] [<c135dcb8>] (lkdtm_EXEC_NULL) from [<c0c33040>] (lkdtm_do_action+0x2c/0x4c)
 2807 12:20:09.851593  [  110.428336] [<c0c33014>] (lkdtm_do_action) from [<c0c33540>] (direct_entry+0x120/0x18c)
 2808 12:20:09.893344  [  110.436355] [<c0c33420>] (direct_entry) from [<c07e0650>] (full_proxy_write+0x64/0x94)
 2809 12:20:09.893891  [  110.444281]  r9:c595bf60 r8:c5357900 r7:0000000a r6:b6de0000 r5:c2fd1540 r4:c0c33420
 2810 12:20:09.894256  [  110.452040] [<c07e05ec>] (full_proxy_write) from [<c0598d04>] (vfs_write+0x10c/0x524)
 2811 12:20:09.894593  [  110.459879]  r9:c07e05ec r8:c595bf60 r7:c2816000 r6:b6de0000 r5:c2fd1540 r4:00000000
 2812 12:20:09.894915  [  110.467630] [<c0598bf8>] (vfs_write) from [<c0599298>] (ksys_write+0x74/0xec)
 2813 12:20:09.937405  [  110.474774]  r10:00000004 r9:00000000 r8:00000000 r7:b6de0000 r6:c595a000 r5:c2fd1540
 2814 12:20:09.937952  [  110.482609]  r4:c2fd1540
 2815 12:20:09.938316  [  110.485151] [<c0599224>] (ksys_write) from [<c0599328>] (sys_write+0x18/0x1c)
 2816 12:20:09.938651  [  110.492295]  r9:c595a000 r8:c03002e4 r7:00000004 r6:b6f27e00 r5:0000000a r4:0000000a
 2817 12:20:09.938978  [  110.500049] [<c0599310>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 2818 12:20:09.939290  [  110.507622] Exception stack(0xc595bfa8 to 0xc595bff0)
 2819 12:20:09.939597  [  110.512682] bfa0:                   0000000a 0000000a 00000001 b6de0000 0000000a 00000000
 2820 12:20:09.980947  [  110.520866] bfc0: 0000000a 0000000a b6f27e00 00000004 00000001 00000000 00020000 be897a64
 2821 12:20:09.981138  [  110.529051] bfe0: 00000004 be897798 b6e924cf b6e187e6
 2822 12:20:09.981208  [  110.534114] Code: bad PC value
 2823 12:20:09.981289  [  110.537250] ---[ end trace 602be0240ace624f ]---
 2824 12:20:09.981364  # Segmentation fault
 2825 12:20:10.078491  # [  110.079866] lkdtm: Performing direct entry EXEC_NULL
 2826 12:20:10.078906  # [  110.086967] lkdtm: attempting ok execution at c0c33db0
 2827 12:20:10.079237  # [  110.094776] lkdtm: attempting bad execution at 00000000
 2828 12:20:10.079542  # [  110.102921] 8<--- cut here ---
 2829 12:20:10.079836  # [  110.108805] Unable to handle kernel NULL pointer dereference at virtual address 00000000
 2830 12:20:10.080122  # [  110.119777] pgd = 937ef493
 2831 12:20:10.080402  # [  110.125368] [00000000] *pgd=00000000
 2832 12:20:10.080700  # [  110.131788] Internal error: Oops: 80000005 [#9] SMP ARM
 2833 12:20:10.121170  # [  110.139839] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3
 2834 12:20:10.121262  # [  110.171538] CPU: 3 PID: 2249 Comm: cat Tainted: G      D W         5.10.162-cip23 #1
 2835 12:20:10.121330  # [  110.181359] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 2836 12:20:10.121393  # [  110.189711] PC is at 0x0
 2837 12:20:10.121453  # [  110.194249] LR is at execute_location+0xa4/0xb4
 2838 12:20:10.169325  # [  110.201456] pc : [<00000000>]    lr : [<c135dacc>]    psr: 600e0013
 2839 12:20:10.169865  # [  110.209630] sp : c595be38  ip : c595bd40  fp : c595be54
 2840 12:20:10.170217  # [  110.216502] r10: 0000000a  r9 : c1accf20  r8 : c15e8704
 2841 12:20:10.170541  # [  110.223377] r7 : c595bf60  r6 : 00000000  r5 : 00000000  r4 : c0c33db0
 2842 12:20:10.170852  # [  110.231811] r3 : f1ad66dd  r2 : f1ad66dd  r1 : ef7c05e0  r0 : 0000002b
 2843 12:20:10.171153  # [  110.240075] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 2844 12:20:10.171451  # [  110.249029] Control: 10c5387d  Table: 16eb004a  DAC: 00000051
 2845 12:20:10.213194  # [  110.256600] Process cat (pid: 2249, stack limit = 0x03b8826b)
 2846 12:20:10.213745  # [  110.264338] Stack: (0xc595be38 to 0xc595c000)
 2847 12:20:10.214112  # [  110.270517] be20:                                                       00000025 c6c0c000
 2848 12:20:10.214444  # [  110.280606] be40: 0000000a c595bf60 c595be64 c595be58 c135dcd8 c135da34 c595be74 c595be68
 2849 12:20:10.214763  # [  110.290948] be60: c0c33040 c135dcc4 c595be9c c595be78 c0c33540 c0c33020 c0c33420 c2fd1540
 2850 12:20:10.257191  # [  110.301033] be80: b6de0000 0000000a c5357900 c595bf60 c595bec4 c595bea0 c07e0650 c0c3342c
 2851 12:20:10.257738  # [  110.311205] bea0: 00000000 c2fd1540 b6de0000 c2816000 c595bf60 c07e05ec c595bf5c c595bec8
 2852 12:20:10.258096  # [  110.321378] bec0: c0598d04 c07e05f8 00000001 00000000 c0599298 c5950324 c0599298 c595a000
 2853 12:20:10.258429  # [  110.330245] bee0: b6de0000 00020000 00000004 0000000a 0001fff6 c595bee0 00000001 00000805
 2854 12:20:10.258750  # [  110.338429] bf00: c59fc500 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 2855 12:20:10.259060  # [  110.346615] bf20: 00000000 00000000 c595a000 f1ad66dd b6ddf000 c2fd1540 c2fd1540 c595a000
 2856 12:20:10.301159  # [  110.354801] bf40: b6de0000 00000000 00000000 00000004 c595bf94 c595bf60 c0599298 c0598c04
 2857 12:20:10.301713  # [  110.362986] bf60: 00000000 00000000 c595bfac f1ad66dd 0000000a 0000000a b6f27e00 00000004
 2858 12:20:10.302076  # [  110.371172] bf80: c03002e4 c595a000 c595bfa4 c595bf98 c0599328 c0599230 00000000 c595bfa8
 2859 12:20:10.302412  # [  110.379359] bfa0: c03000c0 c059931c 0000000a 0000000a 00000001 b6de0000 0000000a 00000000
 2860 12:20:10.302737  # [  110.387543] bfc0: 0000000a 0000000a b6f27e00 00000004 00000001 00000000 00020000 be897a64
 2861 12:20:10.345265  # [  110.395727] bfe0: 00000004 be897798 b6e924cf b6e187e6 800e0030 00000001 00000000 00000000
 2862 12:20:10.345817  # [  110.403907] Backtrace: 
 2863 12:20:10.346181  # [  110.406375] [<c135da28>] (execute_location) from [<c135dcd8>] (lkdtm_EXEC_NULL+0x20/0x24)
 2864 12:20:10.346517  # [  110.414561]  r7:c595bf60 r6:0000000a r5:c6c0c000 r4:00000025
 2865 12:20:10.346840  # [  110.420236] [<c135dcb8>] (lkdtm_EXEC_NULL) from [<c0c33040>] (lkdtm_do_action+0x2c/0x4c)
 2866 12:20:10.347153  # [  110.428336] [<c0c33014>] (lkdtm_do_action) from [<c0c33540>] (direct_entry+0x120/0x18c)
 2867 12:20:10.389196  # [  110.436355] [<c0c33420>] (direct_entry) from [<c07e0650>] (full_proxy_write+0x64/0x94)
 2868 12:20:10.389742  # [  110.444281]  r9:c595bf60 r8:c5357900 r7:0000000a r6:b6de0000 r5:c2fd1540 r4:c0c33420
 2869 12:20:10.390107  # [  110.452040] [<c07e05ec>] (full_proxy_write) from [<c0598d04>] (vfs_write+0x10c/0x524)
 2870 12:20:10.390442  # [  110.459879]  r9:c07e05ec r8:c595bf60 r7:c2816000 r6:b6de0000 r5:c2fd1540 r4:000[  110.964363] lkdtm: Performing direct entry ACCESS_USERSPACE
 2871 12:20:10.390768  00000
 2872 12:20:10.391090  # [  110.467630] [<c0598bf[  110.972005] lkdtm: attempting bad read at b6fa8000
 2873 12:20:10.433348  8>] (vfs_write) from [<c0599298>][  110.979458] 8<--- cut here ---
 2874 12:20:10.433902  [  110.985340] Unhandled fault: page domain fault (0x01b) at 0xb6fa8000
 2875 12:20:10.434267  [  110.991713] pgd = 937ef493
 2876 12:20:10.434600  [  110.994442] [b6fa8000] *pgd=49a80831
 2877 12:20:10.434927  [  110.998062] Internal error: : 1b [#10] SMP ARM
 2878 12:20:10.477443  [  111.002531] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3
 2879 12:20:10.478005  [  111.031815] CPU: 0 PID: 2325 Comm: cat Tainted: G      D W         5.10.162-cip23 #1
 2880 12:20:10.478378  [  111.039581] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 2881 12:20:10.478714  [  111.046147] PC is at lkdtm_ACCESS_USERSPACE+0x114/0x16c
 2882 12:20:10.479035  [  111.051417] LR is at __irq_work_queue_local+0x40/0x74
 2883 12:20:10.479345  [  111.056496] pc : [<c0c34028>]    lr : [<c049bfa8>]    psr: 600e0013
 2884 12:20:10.479653  [  111.062786] sp : c6fbfe38  ip : c6fbfd40  fp : c6fbfe64
 2885 12:20:10.521296  [  111.068032] r10: 00000011  r9 : c1accf2c  r8 : c15e8704
 2886 12:20:10.521840  [  111.073280] r7 : c6fbff60  r6 : 00000051  r5 : c6fbe000  r4 : b6fa8000
 2887 12:20:10.522208  [  111.079827] r3 : 7ad12827  r2 : 7ad12827  r1 : ef7815e0  r0 : 00000026
 2888 12:20:10.522542  [  111.086381] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 2889 12:20:10.522865  [  111.093539] Control: 10c5387d  Table: 16eb004a  DAC: 00000051
 2890 12:20:10.523179  [  111.099309] Process cat (pid: 2325, stack limit = 0x790bd20f)
 2891 12:20:10.523487  [  111.105080] Stack: (0xc6fbfe38 to 0xc6fc0000)
 2892 12:20:10.565081  [  111.109466] fe20:                                                       00000022 00000000
 2893 12:20:10.565607  [  111.117677] fe40: 00000000 7ad12827 c6fbfe6c 00000026 c6c73000 00000011 c6fbfe74 c6fbfe68
 2894 12:20:10.566070  [  111.125886] fe60: c0c33040 c0c33f20 c6fbfe9c c6fbfe78 c0c33540 c0c33020 c0c33420 c59fc8c0
 2895 12:20:10.566498  [  111.134093] fe80: b6e62000 00000011 c5357900 c6fbff60 c6fbfec4 c6fbfea0 c07e0650 c0c3342c
 2896 12:20:10.566912  [  111.142301] fea0: 00000000 c59fc8c0 b6e62000 c2816000 c6fbff60 c07e05ec c6fbff5c c6fbfec8
 2897 12:20:10.609341  [  111.150508] fec0: c0598d04 c07e05f8 00000001 00000000 c0599298 c13732e0 c0599298 c6fbe000
 2898 12:20:10.609892  [  111.158717] fee0: b6e62000 00020000 00000004 00000011 0001ffef c6fbfee0 00000001 b6e61000
 2899 12:20:10.610365  [  111.166923] ff00: c5a9a000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 2900 12:20:10.610792  [  111.175130] ff20: 00000000 00000000 c13732e0 7ad12827 c205c620 c59fc8c0 c59fc8c0 c6fbe000
 2901 12:20:10.611210  [  111.183336] ff40: b6e62000 00000000 00000000 00000004 c6fbff94 c6fbff60 c0599298 c0598c04
 2902 12:20:10.653107  [  111.191542] ff60: 00000000 00000000 c6fbffac 7ad12827 00000011 00000011 b6fa9e00 00000004
 2903 12:20:10.653648  [  111.199750] ff80: c03002e4 c6fbe000 c6fbffa4 c6fbff98 c0599328 c0599230 00000000 c6fbffa8
 2904 12:20:10.654009  [  111.207957] ffa0: c03000c0 c059931c 00000011 00000011 00000001 b6e62000 00000011 00000000
 2905 12:20:10.654345  [  111.216164] ffc0: 00000011 00000011 b6fa9e00 00000004 00000001 00000000 00020000 bec5fa64
 2906 12:20:10.654668  [  111.224373] ffe0: 00000004 bec5f798 b6f144cf b6e9a7e6 800e0030 00000001 00000000 00000000
 2907 12:20:10.654981  [  111.232566] Backtrace: 
 2908 12:20:10.697323  [  111.235067] [<c0c33f14>] (lkdtm_ACCESS_USERSPACE) from [<c0c33040>] (lkdtm_do_action+0x2c/0x4c)
 2909 12:20:10.697871  [  111.243795]  r6:00000011 r5:c6c73000 r4:00000026
 2910 12:20:10.698234  [  111.248447] [<c0c33014>] (lkdtm_do_action) from [<c0c33540>] (direct_entry+0x120/0x18c)
 2911 12:20:10.698570  [  111.256490] [<c0c33420>] (direct_entry) from [<c07e0650>] (full_proxy_write+0x64/0x94)
 2912 12:20:10.698893  [  111.264441]  r9:c6fbff60 r8:c5357900 r7:00000011 r6:b6e62000 r5:c59fc8c0 r4:c0c33420
 2913 12:20:10.699209  [  111.272228] [<c07e05ec>] (full_proxy_write) from [<c0598d04>] (vfs_write+0x10c/0x524)
 2914 12:20:10.741421  [  111.280090]  r9:c07e05ec r8:c6fbff60 r7:c2816000 r6:b6e62000 r5:c59fc8c0 r4:00000000
 2915 12:20:10.741970  [  111.287867] [<c0598bf8>] (vfs_write) from [<c0599298>] (ksys_write+0x74/0xec)
 2916 12:20:10.742337  [  111.295034]  r10:00000004 r9:00000000 r8:00000000 r7:b6e62000 r6:c6fbe000 r5:c59fc8c0
 2917 12:20:10.742678  [  111.302882]  r4:c59fc8c0
 2918 12:20:10.743004  [  111.305449] [<c0599224>] (ksys_write) from [<c0599328>] (sys_write+0x18/0x1c)
 2919 12:20:10.743321  [  111.312617]  r9:c6fbe000 r8:c03002e4 r7:00000004 r6:b6fa9e00 r5:00000011 r4:00000011
 2920 12:20:10.743628  [  111.320402] [<c0599310>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 2921 12:20:10.784906  [  111.327994] Exception stack(0xc6fbffa8 to 0xc6fbfff0)
 2922 12:20:10.785062  [  111.333076] ffa0:                   00000011 00000011 00000001 b6e62000 00000011 00000000
 2923 12:20:10.785133  [  111.341284] ffc0: 00000011 00000011 b6fa9e00 00000004 00000001 00000000 00020000 bec5fa64
 2924 12:20:10.785201  [  111.349487] ffe0: 00000004 bec5f798 b6f144cf b6e9a7e6
 2925 12:20:10.785264  [  111.354569] Code: e1a01004 e30d0e50 e34c01ac eb1c7b4a (e5943000) 
 2926 12:20:10.785325  [  111.360697] ---[ end trace 602be0240ace6250 ]---
 2927 12:20:10.785384   (ksys_write+0x74/0xec)
 2928 12:20:10.829064  # [  110.474774]  r10:00000004 r9:00000000 r8:00000000 r7:b6de0000 r6:c595a000 r5:c2fd1540
 2929 12:20:10.829572  # [  110.482609]  r4:c2fd1540
 2930 12:20:10.829904  # [  110.485151] [<c0599224>] (ksys_write) from [<c0599328>] (sys_write+0x18/0x1c)
 2931 12:20:10.830106  # [  110.492295]  r9:c595a000 r8:c03002e4 r7:00000004 r6:b6f27e00 r5:0000000a r4:0000000a
 2932 12:20:10.830168  # [  110.500049] [<c0599310>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 2933 12:20:10.830229  # [  110.507622] Exception stack(0xc595bfa8 to 0xc595bff0)
 2934 12:20:10.830288  # [  110.512682] bfa0:                   0000000a 0000000a 00000001 b6de0000 0000000a 00000000
 2935 12:20:10.873041  # [  110.520866] bfc0: 0000000a 0000000a b6f27e00 00000004 00000001 00000000 00020000 be897a64
 2936 12:20:10.873493  # [  110.529051] bfe0: 00000004 be897798 b6e924cf b6e187e6
 2937 12:20:10.873830  # [  110.534114] Code: bad PC value
 2938 12:20:10.874141  # [  110.537250] ---[ end trace 602be0240ace624f ]---
 2939 12:20:10.874440  # EXEC_NULL: missing 'call trace:': [FAIL]
 2940 12:20:10.874755  not ok 36 selftests: lkdtm: EXEC_NULL.sh # exit=1
 2941 12:20:10.875047  # selftests: lkdtm: ACCESS_USERSPACE.sh
 2942 12:20:10.875328  # Segmentation fault
 2943 12:20:10.920703  # [  110.964363] lkdtm: Performing direct entry ACCESS_USERSPACE
 2944 12:20:10.921203  # [  110.972005] lkdtm: attempting bad read at b6fa8000
 2945 12:20:10.921534  # [  110.979458] 8<--- cut here ---
 2946 12:20:10.921841  # [  110.985340] Unhandled fault: page domain fault (0x01b) at 0xb6fa8000
 2947 12:20:10.922175  # [  110.991713] pgd = 937ef493
 2948 12:20:10.922487  # [  110.994442] [b6fa8000] *pgd=49a80831
 2949 12:20:10.922794  # [  110.998062] Internal error: : 1b [#10] SMP ARM
 2950 12:20:10.964109  # [  111.002531] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3
 2951 12:20:10.964703  # [  111.031815] CPU: 0 PID: 2325 Comm: cat Tainted: G      D W         5.10.162-cip23 #1
 2952 12:20:10.965075  # [  111.039581] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 2953 12:20:10.965416  # [  111.046147] PC is at lkdtm_ACCESS_USERSPACE+0x114/0x16c
 2954 12:20:10.965738  # [  111.051417] LR is at __irq_work_queue_local+0x40/0x74
 2955 12:20:11.006939  # [  111.056496] pc : [<c0c34028>]    lr : [<c049bfa8>]    psr: 600e0013
 2956 12:20:11.007484  # [  111.062786] sp : c6fbfe38  ip : c6fbfd40  fp : c6fbfe64
 2957 12:20:11.007850  # [  111.068032] r10: 00000011  r9 : c1accf2c  r8 : c15e8704
 2958 12:20:11.008188  # [  111.073280] r7 : c6fbff60  r6 : 00000051  r5 : c6fbe000  r4 : b6fa8000
 2959 12:20:11.008514  # [  111.079827] r3 : 7ad12827  r2 : 7ad12827  r1 : ef7815e0  r0 : 00000026
 2960 12:20:11.008866  # [  111.086381] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 2961 12:20:11.009196  # [  111.093539] Control: 10c5387d  Table: 16eb004a  DAC: 00000051
 2962 12:20:11.049928  # [  111.099309] Process cat (pid: 2325, stack limit = 0x790bd20f)
 2963 12:20:11.050486  # [  111.105080] Stack: (0xc6fbfe38 to 0xc6fc0000)
 2964 12:20:11.050851  # [  111.109466] fe20:                                                       00000022 00000000
 2965 12:20:11.051214  # [  111.117677] fe40: 00000000 7ad12827 c6fbfe6c 00000026 c6c73000 00000011 c6fbfe74 c6fbfe68
 2966 12:20:11.051547  # [  111.125886] fe60: c0c33040 c0c33f20 c6fbfe9c c6fbfe78 c0c33540 c0c33020 c0c33420 c59fc8c0
 2967 12:20:11.051865  # [  111.134093] fe80: b6e62000 00000011 c5357900 c6fbff60 c6fbfec4 c6fbfea0 c07e0650 c0c3342c
 2968 12:20:11.093113  # [  111.142301] fea0: 00000000 c59fc8c0 b6e62000 c2816000 c6fbff60 c07e05ec c6fbff5c c6fbfec8
 2969 12:20:11.093671  # [  111.150508] fec0: c0598d04 c07e05f8 00000001 00000000 c0599298 c13732e0 c0599298 c6fbe000
 2970 12:20:11.094045  # [  111.158717] fee0: b6e62000 00020000 00000004 00000011 0001ffef c6fbfee0 00000001 b6e61000
 2971 12:20:11.094383  # [  111.166923] ff00: c5a9a000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 2972 12:20:11.094705  # [  111.175130] ff20: 00000000 00000000 c13732e0 7ad12827 c205c620 c59fc8c0 c59fc8c0 c6fbe000
 2973 12:20:11.137054  # [  111.183336] ff40: b6e62000 00000000 00000000 00000004 c6fbff94 c6fbff60 c0599298 c0598c04
 2974 12:20:11.137596  # [  111.191542] ff60: 00000000 00000000 c6fbffac 7ad12827 00000011 00000011 b6fa9e00 00000004
 2975 12:20:11.137956  # [  111.199750] ff80: c03002e4 c6fbe000 c6fbffa4 c6fbff98 c0599328 c0599230 00000000 c6fbffa8
 2976 12:20:11.138319  # [  111.207957] ffa0: c03000c0 c059931c 00000011 00000011 00000001 b6e62000 00000011 00000000
 2977 12:20:11.138665  # [  111.216164] ffc0: 00000011 00000011 b6fa9e00 00000004 00000001 00000000 00020000 bec5fa64
 2978 12:20:11.181328  # [  111.224373] ffe0: 00000004 bec5f798 b6f144cf b6e9a7e6 800e0030 00000001 00000000 00000000
 2979 12:20:11.181875  # [  111.232566] Backtrace: 
 2980 12:20:11.182239  # [  111.235067] [<c0c33f14>] (lkdtm_ACCESS_USERSPACE) from [<c0c33040>] (lkdtm_do_action+0x2c/0x4c)
 2981 12:20:11.182578  # [  111.243795]  r6:00000011 r5:c6c73000 r4:00000026
 2982 12:20:11.182899  # [  111.248447] [<c0c33014>] (lkdtm_do_action) from [<c0c33540>] (direct_entry+0x120/0x18c)
 2983 12:20:11.183214  # [  111.256490] [<c0c33420>] (direct_entry) from [<c07e0650>] (full_proxy_write+0x64/0x94)
 2984 12:20:11.183521  # [  111.264441]  r9:c6fbff60 r8:c5357900 r7:00000011 r6:b6e62000 r5:c59fc8c0 r4:c0c33420
 2985 12:20:11.225334  # [  111.272228] [<c07e05ec>] (full_proxy_write) from [<c0598d04>] (vfs_write+0x10c/0x524)
 2986 12:20:11.225953  # [  111.280090]  r9:c07e05ec r8:c6fbff60 r7:c2816000 r6:b6e62000 r5:c59fc8c0 r4:00000000
 2987 12:20:11.226388  # [  111.287867] [<c0598bf8>] (vfs_write) from [<c0599298>] (ksys_write+0x74/0xec)
 2988 12:20:11.226769  # [  111.295034]  r10:00000004 r9:00000000 r8:0000000[  111.807178] lkdtm: Performing direct entry ACCESS_NULL
 2989 12:20:11.227195  0 r7:b6e62000 r6:c6fbe000 r5:c59f[  111.813568] lkdtm: attempting bad read at 00000000
 2990 12:20:11.227536  c8c0
 2991 12:20:11.269337  # [  111.302882]  r4:c59fc8[  111.821268] 8<--- cut here ---
 2992 12:20:11.269882  c0
 2993 12:20:11.270240  # [  111.305449] [<c0599224>][  111.827260] Unable to handle kernel NULL pointer dereference at virtual address 00000000
 2994 12:20:11.270578   (ksys_write) from [<c0599328>] ([  111.839147] pgd = 5943d77f
 2995 12:20:11.270902  sys_write+0x18/0x1c)
 2996 12:20:11.271214  # [  111.31[  111.843781] [00000000] *pgd=00000000
 2997 12:20:11.271520  2617]  r9:c6fbe000 r8:c03002e4 r7[  111.850233] Internal error: Oops: 5 [#11] SMP ARM
 2998 12:20:11.313319  [  111.857762] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3
 2999 12:20:11.313883  [  111.886795] CPU: 0 PID: 2400 Comm: cat Tainted: G      D W         5.10.162-cip23 #1
 3000 12:20:11.314256  [  111.894543] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 3001 12:20:11.314592  [  111.901083] PC is at lkdtm_ACCESS_NULL+0x28/0x68
 3002 12:20:11.357342  [  111.905718] LR is at __irq_work_queue_local+0x40/0x74
 3003 12:20:11.357886  [  111.910776] pc : [<c135dd04>]    lr : [<c049bfa8>]    psr: 600e0013
 3004 12:20:11.358254  [  111.917046] sp : c6be7e50  ip : c6be7d58  fp : c6be7e64
 3005 12:20:11.358589  [  111.922275] r10: 0000000c  r9 : c1accf40  r8 : c15e8704
 3006 12:20:11.358909  [  111.927505] r7 : c6be7f60  r6 : 0000000c  r5 : c4794000  r4 : 00000000
 3007 12:20:11.359226  [  111.934036] r3 : ad7d8e18  r2 : ad7d8e18  r1 : ef7815e0  r0 : 00000026
 3008 12:20:11.359536  [  111.940570] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 3009 12:20:11.359837  [  111.947711] Control: 10c5387d  Table: 16f2c04a  DAC: 00000051
 3010 12:20:11.401341  [  111.953464] Process cat (pid: 2400, stack limit = 0xbf05eee4)
 3011 12:20:11.401888  [  111.959215] Stack: (0xc6be7e50 to 0xc6be8000)
 3012 12:20:11.402254  [  111.963581] 7e40:                                     00000027 c4794000 c6be7e74 c6be7e68
 3013 12:20:11.402593  [  111.971767] 7e60: c0c33040 c135dce8 c6be7e9c c6be7e78 c0c33540 c0c33020 c0c33420 c5b35cc0
 3014 12:20:11.402916  [  111.979954] 7e80: b6de8000 0000000c c5357900 c6be7f60 c6be7ec4 c6be7ea0 c07e0650 c0c3342c
 3015 12:20:11.403234  [  111.988139] 7ea0: 00000000 c5b35cc0 b6de8000 c2816000 c6be7f60 c07e05ec c6be7f5c c6be7ec8
 3016 12:20:11.445326  [  111.996324] 7ec0: c0598d04 c07e05f8 00000001 00000000 c0599298 c2d5c324 c0599298 c6be6000
 3017 12:20:11.445871  [  112.004508] 7ee0: b6de8000 00020000 00000004 0000000c 0001fff4 c6be7ee0 00000001 00000805
 3018 12:20:11.446239  [  112.012693] 7f00: c59fd680 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 3019 12:20:11.446572  [  112.020878] 7f20: 00000000 00000000 c6be6000 ad7d8e18 b6de7000 c5b35cc0 c5b35cc0 c6be6000
 3020 12:20:11.446889  [  112.029064] 7f40: b6de8000 00000000 00000000 00000004 c6be7f94 c6be7f60 c0599298 c0598c04
 3021 12:20:11.489257  [  112.037249] 7f60: 00000000 00000000 c6be7fac ad7d8e18 0000000c 0000000c b6f2fe00 00000004
 3022 12:20:11.489807  [  112.045434] 7f80: c03002e4 c6be6000 c6be7fa4 c6be7f98 c0599328 c0599230 00000000 c6be7fa8
 3023 12:20:11.490172  [  112.053619] 7fa0: c03000c0 c059931c 0000000c 0000000c 00000001 b6de8000 0000000c 00000000
 3024 12:20:11.490508  [  112.061803] 7fc0: 0000000c 0000000c b6f2fe00 00000004 00000001 00000000 00020000 be988a64
 3025 12:20:11.490827  [  112.069987] 7fe0: 00000004 be988798 b6e9a4cf b6e207e6 800e0030 00000001 00000000 00000000
 3026 12:20:11.491140  [  112.078167] Backtrace: 
 3027 12:20:11.533443  [  112.080633] [<c135dcdc>] (lkdtm_ACCESS_NULL) from [<c0c33040>] (lkdtm_do_action+0x2c/0x4c)
 3028 12:20:11.533991  [  112.088904]  r5:c4794000 r4:00000027
 3029 12:20:11.534356  [  112.092489] [<c0c33014>] (lkdtm_do_action) from [<c0c33540>] (direct_entry+0x120/0x18c)
 3030 12:20:11.534693  [  112.100507] [<c0c33420>] (direct_entry) from [<c07e0650>] (full_proxy_write+0x64/0x94)
 3031 12:20:11.535016  [  112.108432]  r9:c6be7f60 r8:c5357900 r7:0000000c r6:b6de8000 r5:c5b35cc0 r4:c0c33420
 3032 12:20:11.535331  [  112.116190] [<c07e05ec>] (full_proxy_write) from [<c0598d04>] (vfs_write+0x10c/0x524)
 3033 12:20:11.577426  [  112.124026]  r9:c07e05ec r8:c6be7f60 r7:c2816000 r6:b6de8000 r5:c5b35cc0 r4:00000000
 3034 12:20:11.577976  [  112.131778] [<c0598bf8>] (vfs_write) from [<c0599298>] (ksys_write+0x74/0xec)
 3035 12:20:11.578343  [  112.138922]  r10:00000004 r9:00000000 r8:00000000 r7:b6de8000 r6:c6be6000 r5:c5b35cc0
 3036 12:20:11.578680  [  112.146755]  r4:c5b35cc0
 3037 12:20:11.579001  [  112.149302] [<c0599224>] (ksys_write) from [<c0599328>] (sys_write+0x18/0x1c)
 3038 12:20:11.579311  [  112.156446]  r9:c6be6000 r8:c03002e4 r7:00000004 r6:b6f2fe00 r5:0000000c r4:0000000c
 3039 12:20:11.620877  [  112.164202] [<c0599310>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 3040 12:20:11.621042  [  112.171777] Exception stack(0xc6be7fa8 to 0xc6be7ff0)
 3041 12:20:11.621112  [  112.176836] 7fa0:                   0000000c 0000000c 00000001 b6de8000 0000000c 00000000
 3042 12:20:11.621176  [  112.185020] 7fc0: 0000000c 0000000c b6f2fe00 00000004 00000001 00000000 00020000 be988a64
 3043 12:20:11.621239  [  112.193203] 7fe0: 00000004 be988798 b6e9a4cf b6e207e6
 3044 12:20:11.621299  [  112.198265] Code: e30d0e50 e34c01ac e1a01004 ebffd413 (e5945000) 
 3045 12:20:11.621358  :00000004 r6:b6fa9e00 r5:00000011[  112.204433] ---[ end trace 602be0240ace6251 ]---
 3046 12:20:11.665066   r4:00000011
 3047 12:20:11.665497  # [  111.320402] [<c0599310>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 3048 12:20:11.665857  # [  111.327994] Exception stack(0xc6fbffa8 to 0xc6fbfff0)
 3049 12:20:11.666187  # [  111.333076] ffa0:                   00000011 00000011 00000001 b6e62000 00000011 00000000
 3050 12:20:11.666501  # [  111.341284] ffc0: 00000011 00000011 b6fa9e00 00000004 00000001 00000000 00020000 bec5fa64
 3051 12:20:11.666799  # [  111.349487] ffe0: 00000004 bec5f798 b6f144cf b6e9a7e6
 3052 12:20:11.667104  # [  111.354569] Code: e1a01004 e30d0e50 e34c01ac eb1c7b4a (e5943000) 
 3053 12:20:11.708820  # [  111.360697] ---[ end trace 602be0240ace6250 ]---
 3054 12:20:11.708909  # ACCESS_USERSPACE: missing 'call trace:': [FAIL]
 3055 12:20:11.708977  not ok 37 selftests: lkdtm: ACCESS_USERSPACE.sh # exit=1
 3056 12:20:11.709045  # selftests: lkdtm: ACCESS_NULL.sh
 3057 12:20:11.709108  # Segmentation fault
 3058 12:20:11.776510  # [  111.807178] lkdtm: Performing direct entry ACCESS_NULL
 3059 12:20:11.776609  # [  111.813568] lkdtm: attempting bad read at 00000000
 3060 12:20:11.776697  # [  111.821268] 8<--- cut here ---
 3061 12:20:11.776771  # [  111.827260] Unable to handle kernel NULL pointer dereference at virtual address 00000000
 3062 12:20:11.776844  # [  111.839147] pgd = 5943d77f
 3063 12:20:11.776916  # [  111.843781] [00000000] *pgd=00000000
 3064 12:20:11.776984  # [  111.850233] Internal error: Oops: 5 [#11] SMP ARM
 3065 12:20:11.819826  # [  111.857762] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3
 3066 12:20:11.820222  # [  111.886795] CPU: 0 PID: 2400 Comm: cat Tainted: G      D W         5.10.162-cip23 #1
 3067 12:20:11.820531  # [  111.894543] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 3068 12:20:11.820896  # [  111.901083] PC is at lkdtm_ACCESS_NULL+0x28/0x68
 3069 12:20:11.821203  # [  111.905718] LR is at __irq_work_queue_local+0x40/0x74
 3070 12:20:11.863120  # [  111.910776] pc : [<c135dd04>]    lr : [<c049bfa8>]    psr: 600e0013
 3071 12:20:11.863666  # [  111.917046] sp : c6be7e50  ip : c6be7d58  fp : c6be7e64
 3072 12:20:11.864049  # [  111.922275] r10: 0000000c  r9 : c1accf40  r8 : c15e8704
 3073 12:20:11.864386  # [  111.927505] r7 : c6be7f60  r6 : 0000000c  r5 : c4794000  r4 : 00000000
 3074 12:20:11.864768  # [  111.934036] r3 : ad7d8e18  r2 : ad7d8e18  r1 : ef7815e0  r0 : 00000026
 3075 12:20:11.865096  # [  111.940570] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 3076 12:20:11.865408  # [  111.947711] Control: 10c5387d  Table: 16f2c04a  DAC: 00000051
 3077 12:20:11.906045  # [  111.953464] Process cat (pid: 2400, stack limit = 0xbf05eee4)
 3078 12:20:11.906553  # [  111.959215] Stack: (0xc6be7e50 to 0xc6be8000)
 3079 12:20:11.906907  # [  111.963581] 7e40:                                     00000027 c4794000 c6be7e74 c6be7e68
 3080 12:20:11.907268  # [  111.971767] 7e60: c0c33040 c135dce8 c6be7e9c c6be7e78 c0c33540 c0c33020 c0c33420 c5b35cc0
 3081 12:20:11.907599  # [  111.979954] 7e80: b6de8000 0000000c c5357900 c6be7f60 c6be7ec4 c6be7ea0 c07e0650 c0c3342c
 3082 12:20:11.907917  # [  111.988139] 7ea0: 00000000 c5b35cc0 b6de8000 c2816000 c6be7f60 c07e05ec c6be7f5c c6be7ec8
 3083 12:20:11.949450  # [  111.996324] 7ec0: c0598d04 c07e05f8 00000001 00000000 c0599298 c2d5c324 c0599298 c6be6000
 3084 12:20:11.949960  # [  112.004508] 7ee0: b6de8000 00020000 00000004 0000000c 0001fff4 c6be7ee0 00000001 00000805
 3085 12:20:11.950295  # [  112.012693] 7f00: c59fd680 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 3086 12:20:11.950622  # [  112.020878] 7f20: 00000000 00000000 c6be6000 ad7d8e18 b6de7000 c5b35cc0 c5b35cc0 c6be6000
 3087 12:20:11.950920  # [  112.029064] 7f40: b6de8000 00000000 00000000 00000004 c6be7f94 c6be7f60 c0599298 c0598c04
 3088 12:20:11.993143  # [  112.037249] 7f60: 00000000 00000000 c6be7fac ad7d8e18 0000000c 0000000c b6f2fe00 00000004
 3089 12:20:11.993697  # [  112.045434] 7f80: c03002e4 c6be6000 c6be7fa4 c6be7f98 c0599328 c0599230 00000000 c6be7fa8
 3090 12:20:11.994063  # [  112.053619] 7fa0: c03000c0 c059931c 0000000c 0000000c 00000001 b6de8000 0000000c 00000000
 3091 12:20:11.994398  # [  112.061803] 7fc0: 0000000c 0000000c b6f2fe00 00000004 00000001 00000000 00020000 be988a64
 3092 12:20:11.994717  # [  112.069987] 7fe0: 00000004 be988798 b6e9a4cf b6e207e6 800e0030 00000001 00000000 00000000
 3093 12:20:11.995030  # [  112.078167] Backtrace: 
 3094 12:20:12.037328  # [  112.080633] [<c135dcdc>] (lkdtm_ACCESS_NULL) from [<c0c33040>] (lkdtm_do_action+0x2c/0x4c)
 3095 12:20:12.037876  # [  112.088904]  r5:c4794000 r4:00000027
 3096 12:20:12.038244  # [  112.092489] [<c0c33014>] (lkdtm_do_action) from [<c0c33540>] (direct_entry+0x120/0x18c)
 3097 12:20:12.038587  # [  112.100507] [<c0c33420>] (direct_entry) from [<c07e0650>] (full_proxy_write+0x64/0x94)
 3098 12:20:12.038910  # [  112.108432]  r9:c6be7f60 r8:c5357900 r7:0000000c r6:b6de8000 r5:c5b35cc0 r4:c0c33420
 3099 12:20:12.039229  # [  112.116190] [<c07e05ec>] (full_proxy_write) from [<c0598d04>] (vfs_write+0x10c/0x524)
 3100 12:20:12.081330  # [  112.124026]  r9:c07e05ec r8:c6be7f60 r7:c2816000 r6:b6de8000 r5:c5b35cc0 r4:00000000
 3101 12:20:12.081874  # [  112.131778] [<c0598bf8>] (vfs_write) from [<c0599298>] (ksys_write+0x74/0xec)
 3102 12:20:12.082241  # [  112.138922]  r10:00000004 r9:00000000 r8:00000000 r7:b6de8000 r6:c6be6000 r5:c5b35cc0
 3103 12:20:12.082577  # [  112.146755]  r4:c5b35cc0
 3104 12:20:12.082895  # [  112.149302] [<c0599224>] (ksys_write) from [<c0599328>] (sys_write+0x18/0x1c)
 3105 12:20:12.083211  # [  112.156446]  r9:c6be6000 r8:c03002e4 r7:00000004 r6:b6f2fe00 r5:0000000c r4:0000000c
 3106 12:20:12.125126  # [  112.164202] [<c0599310>] (sy[  112.679495] lkdtm: Performing direct entry WRITE_RO
 3107 12:20:12.125669  s_write) from [<c030[ 0 01c102>.]84712] lkdtm: attempting bad rodata write at c15e899c
 3108 12:20:12.126032   (ret_fast_syscall+0x0/0x28)
 3109 12:20:12.126364  # [[  112.692469] 8<--- cut here ---
 3110 12:20:12.126684    112.171777] Exceptio[n   s11t2a698297] Unable to handle kernel paging request at virtual address c15e899c
 3111 12:20:12.127001  ck(0xc6be7fa8 to 0xc6b[e 7 f1f102.707785] pgd = 5655fe9c
 3112 12:20:12.127310  
 3113 12:20:12.127612  # [  112.176836] 7fa0:         [  112.712842] [c15e899c] *pgd=1141941e(bad)
 3114 12:20:12.169328            0000000c 0000000[c   0112.719730] Internal error: Oops: 80d [#12] SMP ARM
 3115 12:20:12.169873  000001 b6de8000 0000000c 00000000[  112.727126] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3
 3116 12:20:12.170262  
 3117 12:20:12.213315  # [  112.185020] 7fc0: 0000000[  112.758844] CPU: 3 PID: 2474 Comm: cat Tainted: G      D W         5.10.162-cip23 #1
 3118 12:20:12.213867   0000000c b6f2fe[0 0  101020.07069360] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 3119 12:20:12.214234  04 00000001 00000000 00020000 be9[  112.778006] PC is at lkdtm_WRITE_RO+0x44/0x50
 3120 12:20:12.214583  88a64
 3121 12:20:12.214908  # [  112.193203] 7fe0: 000[  112.785233] LR is at __irq_work_queue_local+0x40/0x74
 3122 12:20:12.215219  00004 be988798 b6e9[a 4 c1f1 2b.693134] pc : [<c135db20>]    lr : [<c049bfa8>]    psr: 600e0013
 3123 12:20:12.215538  e207e6
 3124 12:20:12.215841  # [  112.[1 9 8121625.]8 1578] sp : c6f61e50  ip : c6f61d58  fp : c6f61e64
 3125 12:20:12.257363  Code: e30d0e50 e[3 4 c11021.a8c0 891] r10: 00000009  r9 : c1accf4c  r8 : c15e8704
 3126 12:20:12.257909  e1a01004 ebffd413 (e[5 9 4151020.816122] r7 : c6f61f60  r6 : 00000009  r5 : c5f44000  r4 : c15e899c
 3127 12:20:12.258275  ) 
 3128 12:20:12.258607  # [  112.204[4 3 31]1 2-.-8-24911] r3 : 0198b861  r2 : aa55aa55  r1 : ef7c05e0  r0 : c1acdd50
 3129 12:20:12.258932   end trace 602be0240[a c e161225.833534] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 3130 12:20:12.259251   ]---
 3131 12:20:12.259555  # ACCESS_N[U L L1:1 2m.i8s2931] Control: 10c5387d  Table: 16fd004a  DAC: 00000051
 3132 12:20:12.301373  sing 'call trace:':[   [1F1A2I.L850768] Process cat (pid: 2474, stack limit = 0x04c12223)
 3133 12:20:12.301915  
 3134 12:20:12.302276  not ok 38 selftest[s :  1l1k2d.858693] Stack: (0xc6f61e50 to 0xc6f62000)
 3135 12:20:12.302612  m: ACCESS_NULL.sh # exit=1
 3136 12:20:12.302928  # s[e 112.865320] 1e40:                                     00000028 c5f44000 c6f61e74 c6f61e68
 3137 12:20:12.303239  lftests: lkdtm: WRITE_RO.sh
 3138 12:20:12.303536  [  112.876194] 1e60: c0c33040 c135dae8 c6f61e9c c6f61e78 c0c33540 c0c33020 c0c33420 c448d680
 3139 12:20:12.303833  [  112.886894] 1e80: b6e58000 00000009 c5357900 c6f61f60 c6f61ec4 c6f61ea0 c07e0650 c0c3342c
 3140 12:20:12.345334  [  112.895102] 1ea0: 00000000 c448d680 b6e58000 c2816000 c6f61f60 c07e05ec c6f61f5c c6f61ec8
 3141 12:20:12.345882  [  112.903308] 1ec0: c0598d04 c07e05f8 00000001 00000000 c0599298 c13732e0 c0599298 c6f60000
 3142 12:20:12.346241  [  112.911519] 1ee0: b6e58000 00020000 00000004 00000009 0001fff7 c6f61ee0 00000001 b6e57000
 3143 12:20:12.346572  [  112.919726] 1f00: c5b352c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 3144 12:20:12.346890  [  112.927937] 1f20: 00000000 00000000 c13732e0 6a08ce3a c205c620 c448d680 c448d680 c6f60000
 3145 12:20:12.389433  [  112.936144] 1f40: b6e58000 00000000 00000000 00000004 c6f61f94 c6f61f60 c0599298 c0598c04
 3146 12:20:12.389979  [  112.944352] 1f60: 00000000 00000000 c6f61fac 6a08ce3a 00000009 00000009 b6f9fe00 00000004
 3147 12:20:12.390342  [  112.952558] 1f80: c03002e4 c6f60000 c6f61fa4 c6f61f98 c0599328 c0599230 00000000 c6f61fa8
 3148 12:20:12.390675  [  112.960764] 1fa0: c03000c0 c059931c 00000009 00000009 00000001 b6e58000 00000009 00000000
 3149 12:20:12.390993  [  112.968971] 1fc0: 00000009 00000009 b6f9fe00 00000004 00000001 00000000 00020000 beb7ba64
 3150 12:20:12.433337  [  112.977177] 1fe0: 00000004 beb7b798 b6f0a4cf b6e907e6 800e0030 00000001 00000000 00000000
 3151 12:20:12.433882  [  112.985371] Backtrace: 
 3152 12:20:12.434243  [  112.987880] [<c135dadc>] (lkdtm_WRITE_RO) from [<c0c33040>] (lkdtm_do_action+0x2c/0x4c)
 3153 12:20:12.434573  [  112.995912]  r5:c5f44000 r4:00000028
 3154 12:20:12.434888  [  112.999523] [<c0c33014>] (lkdtm_do_action) from [<c0c33540>] (direct_entry+0x120/0x18c)
 3155 12:20:12.435198  [  113.007571] [<c0c33420>] (direct_entry) from [<c07e0650>] (full_proxy_write+0x64/0x94)
 3156 12:20:12.435504  [  113.015520]  r9:c6f61f60 r8:c5357900 r7:00000009 r6:b6e58000 r5:c448d680 r4:c0c33420
 3157 12:20:12.477455  [  113.023308] [<c07e05ec>] (full_proxy_write) from [<c0598d04>] (vfs_write+0x10c/0x524)
 3158 12:20:12.478003  [  113.031169]  r9:c07e05ec r8:c6f61f60 r7:c2816000 r6:b6e58000 r5:c448d680 r4:00000000
 3159 12:20:12.478367  [  113.038945] [<c0598bf8>] (vfs_write) from [<c0599298>] (ksys_write+0x74/0xec)
 3160 12:20:12.478698  [  113.046115]  r10:00000004 r9:00000000 r8:00000000 r7:b6e58000 r6:c6f60000 r5:c448d680
 3161 12:20:12.479015  [  113.053965]  r4:c448d680
 3162 12:20:12.479320  [  113.056535] [<c0599224>] (ksys_write) from [<c0599328>] (sys_write+0x18/0x1c)
 3163 12:20:12.521105  [  113.063700]  r9:c6f60000 r8:c03002e4 r7:00000004 r6:b6f9fe00 r5:00000009 r4:00000009
 3164 12:20:12.521676  [  113.071479] [<c0599310>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 3165 12:20:12.522054  [  113.079070] Exception stack(0xc6f61fa8 to 0xc6f61ff0)
 3166 12:20:12.522419  [  113.084150] 1fa0:                   00000009 00000009 00000001 b6e58000 00000009 00000000
 3167 12:20:12.522783  [  113.092358] 1fc0: 00000009 00000009 b6f9fe00 00000004 00000001 00000000 00020000 beb7ba64
 3168 12:20:12.523125  [  113.100561] 1fe0: 00000004 beb7b798 b6f0a4cf b6e907e6
 3169 12:20:12.523474  [  113.105644] Code: e34a3bcd e30d0d50 e34c01ac e0233002 (e5843000) 
 3170 12:20:12.564760  [  113.111771] ---[ end trace 602be0240ace6252 ]---
 3171 12:20:12.564846  # Segmentation fault
 3172 12:20:12.680694  # [  112.679495] lkdtm: Performing direct entry WRITE_RO
 3173 12:20:12.681264  # [  112.684712] lkdtm: attempting bad rodata write at c15e899c
 3174 12:20:12.681664  # [  112.692469] 8<--- cut here ---
 3175 12:20:12.681996  # [  112.698297] Unable to handle kernel paging request at virtual address c15e899c
 3176 12:20:12.682318  # [  112.707785] pgd = 5655fe9c
 3177 12:20:12.682629  # [  112.712842] [c15e899c] *pgd=1141941e(bad)
 3178 12:20:12.682995  # [  112.719730] Internal error: Oops: 80d [#12] SMP ARM
 3179 12:20:12.723950  # [  112.727126] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3
 3180 12:20:12.724505  # [  112.758844] CPU: 3 PID: 2474 Comm: cat Tainted: G      D W         5.10.162-cip23 #1
 3181 12:20:12.724918  # [  112.769360] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 3182 12:20:12.725261  # [  112.778006] PC is at lkdtm_WRITE_RO+0x44/0x50
 3183 12:20:12.766782  # [  112.785233] LR is at __irq_work_queue_local+0x40/0x74
 3184 12:20:12.767346  # [  112.793134] pc : [<c135db20>]    lr : [<c049bfa8>]    psr: 600e0013
 3185 12:20:12.767709  # [  112.801578] sp : c6f61e50  ip : c6f61d58  fp : c6f61e64
 3186 12:20:12.768038  # [  112.808891] r10: 00000009  r9 : c1accf4c  r8 : c15e8704
 3187 12:20:12.768356  # [  112.816122] r7 : c6f61f60  r6 : 00000009  r5 : c5f44000  r4 : c15e899c
 3188 12:20:12.768696  # [  112.824911] r3 : 0198b861  r2 : aa55aa55  r1 : ef7c05e0  r0 : c1acdd50
 3189 12:20:12.769017  # [  112.833534] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 3190 12:20:12.810030  # [  112.842931] Control: 10c5387d  Table: 16fd004a  DAC: 00000051
 3191 12:20:12.810573  # [  112.850768] Process cat (pid: 2474, stack limit = 0x04c12223)
 3192 12:20:12.810930  # [  112.858693] Stack: (0xc6f61e50 to 0xc6f62000)
 3193 12:20:12.811260  # [  112.865320] 1e40:                                     00000028 c5f44000 c6f61e74 c6f61e68
 3194 12:20:12.811578  # [  112.876194] 1e60: c0c33040 c135dae8 c6f61e9c c6f61e78 c0c33540 c0c33020 c0c33420 c448d680
 3195 12:20:12.811889  # [  112.886894] 1e80: b6e58000 00000009 c5357900 c6f61f60 c6f61ec4 c6f61ea0 c07e0650 c0c3342c
 3196 12:20:12.857138  # [  112.895102] 1ea0: 00000000 c448d680 b6e58000 c2816000 c6f61f60 c07e05ec c6f61f5c c6f61ec8
 3197 12:20:12.857722  # [  112.903308] 1ec0: c0598d04 c07e05f8 00000001 00000000 c0599298 c13732e0 c0599298 c6f60000
 3198 12:20:12.858094  # [  112.911519] 1ee0: b6e58000 00020000 00000004 00000009 0001fff7 c6f61ee0 00000001 b6e57000
 3199 12:20:12.858461  # [  112.919726] 1f00: c5b352c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 3200 12:20:12.858785  # [  112.927937] 1f20: 00000000 00000000 c13732e0 6a08ce3a c205c620 c448d680 c448d680 c6f60000
 3201 12:20:12.901092  # [  112.936144] 1f40: b6e58000 00000000 00000000 00000004 c6f61f94 c6f61f60 c0599298 c0598c04
 3202 12:20:12.901657  # [  112.944352] 1f60: 00000000 00000000 c6f61fac 6a08ce3a 00000009 00000009 b6f9fe00 00000004
 3203 12:20:12.902024  # [  112.952558] 1f80: c03002e4 c6f60000 c6f61fa4 c6f61f98 c0599328 c0599230 00000000 c6f61fa8
 3204 12:20:12.902355  # [  112.960764] 1fa0: c03000c0 c059931c 00000009 00000009 00000001 b6e58000 00000009 00000000
 3205 12:20:12.902674  # [  112.968971] 1fc0: 00000009 00000009 b6f9fe00 00000004 00000001 00000000 00020000 beb7ba64
 3206 12:20:12.903015  # [  112.977177] 1fe0: 00000004 beb7b798 b6f0a4cf b6e907e6 800e0030 00000001 00000000 00000000
 3207 12:20:12.949109  # [  112.985371] Backtrace: 
 3208 12:20:12.949646  # [  112.987880] [<c135dadc>] (lkdtm_WRITE_RO) from [<c0c33040>] (lkdtm_do_action+0x2c/0x4c)
 3209 12:20:12.950004  # [  112.995912]  r5:c5f44000 r4:00000028
 3210 12:20:12.950331  # [  112.999523] [<c0c33014>] (lkdtm_do_action) from [<c0c33540>] (direct_entry+0x120/0x18c)
 3211 12:20:12.950652  # [  113.007571] [<c0c33420>] (direct_entry) from [<c07e0650>] (full_proxy_write+0x64/0x94)
 3212 12:20:12.950961  # [  113.015520]  r9:c6f61f60 r8:c5357900 r7:00000009 r6:b6e58000 r5:c448d680 r4:c0c33420
 3213 12:20:12.993370  # [  113.023308] [<c07e05ec>] (full_proxy_write) from [<c0598d04>] (vfs_write+0x10c/0x524)
 3214 12:20:12.993917  # [  113.031169]  r9:c07e05ec r8:c6f61f60 r7:c2816000 r6:b6e58000 r5:c448d680 r4:00000000
 3215 12:20:12.994280  # [  113.038945] [<c0598bf8>] (vfs_write) from [<c0599298>] (ksys_write+0x74/0xec)
 3216 12:20:12.994616  # [  113.046115]  r10:00000004 r9:00000000 r8:00000000 r7:b6e58000 r6:c6f60000 r5:c448d680
 3217 12:20:12.994937  # [  113.053965]  r4:c448d680
 3218 12:20:12.995246  # [  113.056535] [<c0599224>] (ksys_write) from [<c0599328>] (sys_write+0x18/0x1c)
 3219 12:20:12.995551  # [  113.[  113.576045] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT
 3220 12:20:13.037404  063700]  r9:c6f60000 r8:c03002e4 [  113.583109] lkdtm: attempting bad ro_after_init write at c1b7ec60
 3221 12:20:13.037961  r7:00000004 r6:b6f9fe00 r5:000000[  113.592007] 8<--- cut here ---
 3222 12:20:13.038326  09 r4:000000[0 9 
 3223 12:20:13.038661  1
 3224 12:20:13.038985  1#3 .[59 7 811] Unable to handle kernel paging request at virtual address c1b7ec60
 3225 12:20:13.039309  13.071479] [<c0[5 9 9131130.>6]0 888] pgd = 0b11dfa7
 3226 12:20:13.039624  (sys_write) from [<c03000c0>] (r[  113.611591] [c1b7ec60] *pgd=11a1941e(bad)
 3227 12:20:13.039925  t_fast_syscall+0x0/0x[2 8 )1
 3228 12:20:13.040220  1
 3229 12:20:13.040511  3#618383] Internal error: Oops: 80d [#13] SMP ARM
 3230 12:20:13.081390   [  113.079070] Exception stack(0[  113.625511] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3
 3231 12:20:13.081948  xc6f61fa8 to 0xc6f61[f f 01)1
 3232 12:20:13.082307  3
 3233 12:20:13.082637  .657216] CPU: 1 PID: 2548 Comm: cat Tainted: G      D W         5.10.162-cip23 #1
 3234 12:20:13.129068   [  113.084[1 5 101]3 .16f6a702:08] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 3235 12:20:13.129608                    00000009 000000[  113.675577] PC is at lkdtm_WRITE_RO_AFTER_INIT+0x64/0x70
 3236 12:20:13.129966  09 00000001 b6e58000 00000009[  0113.683746] LR is at __irq_work_queue_local+0x40/0x74
 3237 12:20:13.130311  0000000
 3238 12:20:13.130639  # [  1[1 3 .101932.36591390] pc : [<c135db90>]    lr : [<c049bfa8>]    psr: 600e0013
 3239 12:20:13.130955  ] 1fc0: 0000[0 0 0191 30.0609090651] sp : c5ec5e50  ip : c5ec5d58  fp : c5ec5e64
 3240 12:20:13.173280  09 b6f9fe[0 0  101030.0700060748 ] r10: 00000014  r9 : c1accf58  r8 : c15e8704
 3241 12:20:13.173832  00000001 000[0 0 010103 .071030726] r7 : c5ec5f60  r6 : 00000014  r5 : c5dad000  r4 : c1b7ec60
 3242 12:20:13.174208  0000 beb7ba64[
 3243 12:20:13.174544   
 3244 12:20:13.174859   #1 1[3 . 71212395] r3 : fe67479e  r2 : 55aa55aa  r1 : ef7965e0  r0 : c1acdd50
 3245 12:20:13.175171  .100561] 1fe0: 0[0 0 0101030.47 30533] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 3246 12:20:13.175485  eb7b798 b6f0[a  41c1f3 .b763e99709] Control: 10c5387d  Table: 15fd404a  DAC: 00000051
 3247 12:20:13.175789  7e6
 3248 12:20:13.176089  # [  113.[1 0 5161434.]7 4C7317] Process cat (pid: 2548, stack limit = 0x306d45d7)
 3249 12:20:13.217405  de: e34a3bcd[  e 3101d30.d75505 058] Stack: (0xc5ec5e50 to 0xc5ec6000)
 3250 12:20:13.217949  34c01ac e0233002 (e58[4 3 010103)761330] 5e40:                                     00000029 c5dad000 c5ec5e74 c5ec5e68
 3251 12:20:13.218322   
 3252 12:20:13.218654  # [  113.111771] [- - -1[1 3e.771762] 5e60: c0c33040 c135db38 c5ec5e9c c5ec5e78 c0c33540 c0c33020 c0c33420 c5a91900
 3253 12:20:13.218978  d trace 602be0240[a c e161235.27 2196] 5e80: b6e6e000 00000014 c5357900 c5ec5f60 c5ec5ec4 c5ec5ea0 c07e0650 c0c3342c
 3254 12:20:13.219294  ]---
 3255 12:20:13.261425  # WRITE_RO: [m i s1s1i3n.g792456] 5ea0: 00000000 c5a91900 b6e6e000 c2816000 c5ec5f60 c07e05ec c5ec5f5c c5ec5ec8
 3256 12:20:13.261974  'call trace:': [FAIL[] 
 3257 12:20:13.262336   
 3258 12:20:13.262665  1n1o3t.802803] 5ec0: c0598d04 c07e05f8 00000001 00000000 c0599298 c13732e0 c0599298 c5ec4000
 3259 12:20:13.262989  ok 39 selftests:[  l k1d1t3m.:8 13235] 5ee0: b6e6e000 00020000 00000004 00000014 0001ffec c5ec5ee0 00000001 b6e6d000
 3260 12:20:13.263304  RITE_RO.sh # exit=[1 
 3261 12:20:13.263602   
 3262 12:20:13.263895  1#1 3s.e823495] 5f00: c6a1ac80 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 3263 12:20:13.305288  ftests: lkdtm: WRI[T E _1R1O3_.A833841] 5f20: 00000000 00000000 c13732e0 14bdda5f c205c620 c5a91900 c5a91900 c5ec4000
 3264 12:20:13.305835  TER_INIT.sh
 3265 12:20:13.306197  [  113.844188] 5f40: b6e6e000 00000000 00000000 00000004 c5ec5f94 c5ec5f60 c0599298 c0598c04
 3266 12:20:13.306533  [  113.853492] 5f60: 00000000 00000000 c5ec5fac 14bdda5f 00000014 00000014 b6fb5e00 00000004
 3267 12:20:13.306852  [  113.861681] 5f80: c03002e4 c5ec4000 c5ec5fa4 c5ec5f98 c0599328 c0599230 00000000 c5ec5fa8
 3268 12:20:13.307159  [  113.869871] 5fa0: c03000c0 c059931c 00000014 00000014 00000001 b6e6e000 00000014 00000000
 3269 12:20:13.349377  [  113.878059] 5fc0: 00000014 00000014 b6fb5e00 00000004 00000001 00000000 00020000 befc2a64
 3270 12:20:13.349922  [  113.886249] 5fe0: 00000004 befc2798 b6f204cf b6ea67e6 800e0030 00000001 00000000 00000000
 3271 12:20:13.350283  [  113.894430] Backtrace: 
 3272 12:20:13.350616  [  113.896908] [<c135db2c>] (lkdtm_WRITE_RO_AFTER_INIT) from [<c0c33040>] (lkdtm_do_action+0x2c/0x4c)
 3273 12:20:13.350939  [  113.905876]  r5:c5dad000 r4:00000029
 3274 12:20:13.351248  [  113.909467] [<c0c33014>] (lkdtm_do_action) from [<c0c33540>] (direct_entry+0x120/0x18c)
 3275 12:20:13.351552  [  113.917490] [<c0c33420>] (direct_entry) from [<c07e0650>] (full_proxy_write+0x64/0x94)
 3276 12:20:13.393312  [  113.925420]  r9:c5ec5f60 r8:c5357900 r7:00000014 r6:b6e6e000 r5:c5a91900 r4:c0c33420
 3277 12:20:13.393861  [  113.933183] [<c07e05ec>] (full_proxy_write) from [<c0598d04>] (vfs_write+0x10c/0x524)
 3278 12:20:13.394231  [  113.941025]  r9:c07e05ec r8:c5ec5f60 r7:c2816000 r6:b6e6e000 r5:c5a91900 r4:00000000
 3279 12:20:13.394562  [  113.948781] [<c0598bf8>] (vfs_write) from [<c0599298>] (ksys_write+0x74/0xec)
 3280 12:20:13.394878  [  113.955927]  r10:00000004 r9:00000000 r8:00000000 r7:b6e6e000 r6:c5ec4000 r5:c5a91900
 3281 12:20:13.395185  [  113.963763]  r4:c5a91900
 3282 12:20:13.437077  [  113.966311] [<c0599224>] (ksys_write) from [<c0599328>] (sys_write+0x18/0x1c)
 3283 12:20:13.437659  [  113.973458]  r9:c5ec4000 r8:c03002e4 r7:00000004 r6:b6fb5e00 r5:00000014 r4:00000014
 3284 12:20:13.438069  [  113.981216] [<c0599310>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 3285 12:20:13.438462  [  113.988794] Exception stack(0xc5ec5fa8 to 0xc5ec5ff0)
 3286 12:20:13.438838  [  113.993856] 5fa0:                   00000014 00000014 00000001 b6e6e000 00000014 00000000
 3287 12:20:13.439219  [  114.002045] 5fc0: 00000014 00000014 b6fb5e00 00000004 00000001 00000000 00020000 befc2a64
 3288 12:20:13.439567  [  114.010231] 5fe0: 00000004 befc2798 b6f204cf b6ea67e6
 3289 12:20:13.484985  [  114.015295] Code: e34a3bcd e30d0d50 e34c01ac e0233002 (e5843000) 
 3290 12:20:13.485454  [  114.021404] ---[ end trace 602be0240ace6253 ]---
 3291 12:20:13.485901  # Segmentation fault
 3292 12:20:13.582013  # [  113.576045] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT
 3293 12:20:13.582561  # [  113.583109] lkdtm: attempting bad ro_after_init write at c1b7ec60
 3294 12:20:13.582982  # [  113.592007] 8<--- cut here ---
 3295 12:20:13.583394  # [  113.597841] Unable to handle kernel paging request at virtual address c1b7ec60
 3296 12:20:13.583756  # [  113.606888] pgd = 0b11dfa7
 3297 12:20:13.584077  # [  113.611591] [c1b7ec60] *pgd=11a1941e(bad)
 3298 12:20:13.584456  # [  113.618383] Internal error: Oops: 80d [#13] SMP ARM
 3299 12:20:13.625482  # [  113.625511] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3
 3300 12:20:13.626107  # [  113.657216] CPU: 1 PID: 2548 Comm: cat Tainted: G      D W         5.10.162-cip23 #1
 3301 12:20:13.626515  # [  113.667208] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 3302 12:20:13.626854  # [  113.675577] PC is at lkdtm_WRITE_RO_AFTER_INIT+0x64/0x70
 3303 12:20:13.669217  # [  113.683746] LR is at __irq_work_queue_local+0x40/0x74
 3304 12:20:13.669776  # [  113.691390] pc : [<c135db90>]    lr : [<c049bfa8>]    psr: 600e0013
 3305 12:20:13.670205  # [  113.699651] sp : c5ec5e50  ip : c5ec5d58  fp : c5ec5e64
 3306 12:20:13.670543  # [  113.706783] r10: 00000014  r9 : c1accf58  r8 : c15e8704
 3307 12:20:13.670865  # [  113.713746] r7 : c5ec5f60  r6 : 00000014  r5 : c5dad000  r4 : c1b7ec60
 3308 12:20:13.671176  # [  113.722095] r3 : fe67479e  r2 : 55aa55aa  r1 : ef7965e0  r0 : c1acdd50
 3309 12:20:13.671477  # [  113.730533] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 3310 12:20:13.713148  # [  113.739749] Control: 10c5387d  Table: 15fd404a  DAC: 00000051
 3311 12:20:13.713717  # [  113.747317] Process cat (pid: 2548, stack limit = 0x306d45d7)
 3312 12:20:13.714099  # [  113.755058] Stack: (0xc5ec5e50 to 0xc5ec6000)
 3313 12:20:13.714442  # [  113.761330] 5e40:                                     00000029 c5dad000 c5ec5e74 c5ec5e68
 3314 12:20:13.714769  # [  113.771762] 5e60: c0c33040 c135db38 c5ec5e9c c5ec5e78 c0c33540 c0c33020 c0c33420 c5a91900
 3315 12:20:13.715085  # [  113.782196] 5e80: b6e6e000 00000014 c5357900 c5ec5f60 c5ec5ec4 c5ec5ea0 c07e0650 c0c3342c
 3316 12:20:13.757144  # [  113.792456] 5ea0: 00000000 c5a91900 b6e6e000 c2816000 c5ec5f60 c07e05ec c5ec5f5c c5ec5ec8
 3317 12:20:13.757711  # [  113.802803] 5ec0: c0598d04 c07e05f8 00000001 00000000 c0599298 c13732e0 c0599298 c5ec4000
 3318 12:20:13.758069  # [  113.813235] 5ee0: b6e6e000 00020000 00000004 00000014 0001ffec c5ec5ee0 00000001 b6e6d000
 3319 12:20:13.758404  # [  113.823495] 5f00: c6a1ac80 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 3320 12:20:13.758721  # [  113.833841] 5f20: 00000000 00000000 c13732e0 14bdda5f c205c620 c5a91900 c5a91900 c5ec4000
 3321 12:20:13.801178  # [  113.844188] 5f40: b6e6e000 00000000 00000000 00000004 c5ec5f94 c5ec5f60 c0599298 c0598c04
 3322 12:20:13.801685  # [  113.853492] 5f60: 00000000 00000000 c5ec5fac 14bdda5f 00000014 00000014 b6fb5e00 00000004
 3323 12:20:13.802039  # [  113.861681] 5f80: c03002e4 c5ec4000 c5ec5fa4 c5ec5f98 c0599328 c0599230 00000000 c5ec5fa8
 3324 12:20:13.802368  # [  113.869871] 5fa0: c03000c0 c059931c 00000014 00000014 00000001 b6e6e000 00000014 00000000
 3325 12:20:13.802711  # [  113.878059] 5fc0: 00000014 00000014 b6fb5e00 00000004 00000001 00000000 00020000 befc2a64
 3326 12:20:13.845362  # [  113.886249] 5fe0: 00000004 befc2798 b6f204cf b6ea67e6 800e0030 00000001 00000000 00000000
 3327 12:20:13.845906  # [  113.894430] Backtrace: 
 3328 12:20:13.846265  # [  113.896908] [<c135db2c>] (lkdtm_WRITE_RO_AFTER_INIT) from [<c0c33040>] (lkdtm_do_action+0x2c/0x4c)
 3329 12:20:13.846601  # [  113.905876]  r5:c5dad000 r4:00000029
 3330 12:20:13.846916  # [  113.909467] [<c0c33014>] (lkdtm_do_action) from [<c0c33540>] (direct_entry+0x120/0x18c)
 3331 12:20:13.847227  # [  113.917490] [<c0c33420>] (direct_entry) from [<c07e0650>] (full_proxy_write+0x64/0x94)
 3332 12:20:13.847536  # [  113.925420]  r9:c5ec5f60 r8:c5357900 r7:00000014 r6:b6e6e000 r5:c5a91900 r4:c0c33420
 3333 12:20:13.889344  # [  113.933183] [<c07e05ec>] (full_proxy_write) from [<c0598d04>] (vfs_write+0x10c/0x524)
 3334 12:20:13.889891  # [  113.941025]  r9:c07e05ec r8:c5ec5f60 r7:c2816000 r6:b6e6e000 r5:c5a91900 r4:00000000
 3335 12:20:13.890252  # [  113.948781] [<c0598bf8>] (vfs_write) from [<c0599298>] (ksys_write+0x74/0xec)
 3336 12:20:13.890588  # [  113.955927]  r10:00000004 r9:00000000 r8:00000000 r7:b6e6e000 r6:c5ec4000 r5:c5a91900
 3337 12:20:13.890908  # [  113.963763]  r4:c5a91900
 3338 12:20:13.891216  # [  113.966311] [<c0599224>] (ksys_write) from [<c0599328>] (s[  114.478828] lkdtm: Performing direct entry WRITE_KERN
 3339 12:20:13.933316  ys_write+0x18/0[x 1 c1)1
 3340 12:20:13.933859  4.
 3341 12:20:13.934245  4#8 4502] lkdtm: attempting bad 7511124 byte write at c135da04
 3342 12:20:13.934599    113.973458]  r9:c5ec4000 r8:c03[  114.492719] 8<--- cut here ---
 3343 12:20:13.934923  002e4 r7:0000000[4   r161:4b.64f98429] Unable to handle kernel paging request at virtual address c135da04
 3344 12:20:13.935251  5e00 r5:00000014 r4[: 0 0101040.007734] pgd = e4f1c5f9
 3345 12:20:13.935565  14
 3346 12:20:13.935868  # [  113.981216] [<c0599310>][  114.512607] [c135da04] *pgd=1121940e(bad)
 3347 12:20:13.936165   (sys_write) from [<c03[0 0 01c10.519481] Internal error: Oops: 80d [#14] SMP ARM
 3348 12:20:13.977076  >] (ret_fast_syscall+0x0/0x28)
 3349 12:20:13.977621  #[  114.526695] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3
 3350 12:20:13.978005   [  113.988794] Exception[  s t1a4.558398] CPU: 3 PID: 2622 Comm: cat Tainted: G      D W         5.10.162-cip23 #1
 3351 12:20:14.021239  ck(0xc5ec5fa8 to [0 x c151e4c.55f8562] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 3352 12:20:14.021785  f0)
 3353 12:20:14.022149  # [  113.993856] 5fa0:    [  114.577178] PC is at memcpy+0x50/0x330
 3354 12:20:14.022483                0000001[4   0101040583607] LR is at 0xe92dd830
 3355 12:20:14.022803  0014 00000001 b6e6[e 0 0101 40.0589001] pc : [<c08d1ed0>]    lr : [<e92dd830>]    psr: 200e0013
 3356 12:20:14.023125  00014 00000000
 3357 12:20:14.023437  [#   [1 1 41.15497433] sp : c5803e2c  ip : e1a0c00d  fp : c5803e64
 3358 12:20:14.023739  002045] 5fc0: 0000[0 0 1141 40.0604739] r10: 0000000b  r9 : c1accf6c  r8 : e89da800
 3359 12:20:14.065214  00014 b6fb5e00 [0 0 0101040.0641 129] r7 : e8bd4000  r6 : e52de004  r5 : e24cb004  r4 : e92dd800
 3360 12:20:14.065768  00000001 0000000[0   010140.26020648] r3 : e1a0c00d  r2 : 00729bb4  r1 : c0c33dd0  r0 : c135da04
 3361 12:20:14.066135  00 befc2a64
 3362 12:20:14.066473  # [  11[4 . 0111042.629168] Flags: nzCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 3363 12:20:14.066797  1] 5fe0: 00000004[  b e1f1c42.7698556] Control: 10c5387d  Table: 1580404a  DAC: 00000051
 3364 12:20:14.067115  8 b6f204cf b6ea67e6[
 3365 12:20:14.067426   
 3366 12:20:14.067724   #1 1[4 . 46380] Process cat (pid: 2622, stack limit = 0x0ea696a8)
 3367 12:20:14.109302  114.015295] Code: [e 3 41a134b.c654291] Stack: (0xc5803e2c to 0xc5804000)
 3368 12:20:14.109857   e30d0d50 e34c01ac e02330[0 2  1(4.660819] 3e20:                            c0c33db0 00729c54 c5803f60 c15e8704 c135da04
 3369 12:20:14.110223  e5843000) 
 3370 12:20:14.110550  # [  114.021404[]   -14.671423] 3e40: c135da04 c135dbe8 0000002a c5a4c000 0000000b c5803f60 c5803e74 c5803e68
 3371 12:20:14.110873  --[ end trace 602be0240ace[6 2 5114.682111] 3e60: c0c33040 c135dba8 c5803e9c c5803e78 c0c33540 c0c33020 c0c33420 c2f5d400
 3372 12:20:14.111195   ]---
 3373 12:20:14.153426  # WRITE_RO_AFTER_I[N I T1:4.692800] 3e80: b6dcc000 0000000b c5357900 c5803f60 c5803ec4 c5803ea0 c07e0650 c0c3342c
 3374 12:20:14.153977   missing 'call trace:': [[ F A1I14.703402] 3ea0: 00000000 c2f5d400 b6dcc000 c2816000 c5803f60 c07e05ec c5803f5c c5803ec8
 3375 12:20:14.154344  ]
 3376 12:20:14.154675  not ok 40 selftests:[  l k1d1t.714004] 3ec0: c0598d04 c07e05f8 00000001 00000000 c0599298 c13732e0 c0599298 c5802000
 3377 12:20:14.155002  m: WRITE_RO_AFTER_INIT.sh[  #  1e4.724519] 3ee0: b6dcc000 00020000 00000004 0000000b 0001fff5 c5803ee0 00000001 b6dcb000
 3378 12:20:14.155320  xit=1
 3379 12:20:14.197445  # selftests: lkdt[m :  1W14.735120] 3f00: c5a28140 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 3380 12:20:14.197993  ITE_KERN.sh
 3381 12:20:14.198351  [  114.745723] 3f20: 00000000 00000000 c13732e0 c671ece4 c205c620 c2f5d400 c2f5d400 c5802000
 3382 12:20:14.198690  [  114.755024] 3f40: b6dcc000 00000000 00000000 00000004 c5803f94 c5803f60 c0599298 c0598c04
 3383 12:20:14.199007  [  114.763212] 3f60: 00000000 00000000 c5803fac c671ece4 0000000b 0000000b b6f13e00 00000004
 3384 12:20:14.199315  [  114.771402] 3f80: c03002e4 c5802000 c5803fa4 c5803f98 c0599328 c0599230 00000000 c5803fa8
 3385 12:20:14.241444  [  114.779590] 3fa0: c03000c0 c059931c 0000000b 0000000b 00000001 b6dcc000 0000000b 00000000
 3386 12:20:14.241988  [  114.787779] 3fc0: 0000000b 0000000b b6f13e00 00000004 00000001 00000000 00020000 becc0a64
 3387 12:20:14.242351  [  114.795966] 3fe0: 00000004 becc0798 b6e7e4cf b6e047e6 800e0030 00000001 00000000 00000000
 3388 12:20:14.242687  [  114.804148] Backtrace: 
 3389 12:20:14.243003  [  114.806630] [<c135db9c>] (lkdtm_WRITE_KERN) from [<c0c33040>] (lkdtm_do_action+0x2c/0x4c)
 3390 12:20:14.243315  [  114.814820]  r7:c5803f60 r6:0000000b r5:c5a4c000 r4:0000002a
 3391 12:20:14.243621  [  114.820495] [<c0c33014>] (lkdtm_do_action) from [<c0c33540>] (direct_entry+0x120/0x18c)
 3392 12:20:14.285418  [  114.828517] [<c0c33420>] (direct_entry) from [<c07e0650>] (full_proxy_write+0x64/0x94)
 3393 12:20:14.285968  [  114.836446]  r9:c5803f60 r8:c5357900 r7:0000000b r6:b6dcc000 r5:c2f5d400 r4:c0c33420
 3394 12:20:14.286329  [  114.844209] [<c07e05ec>] (full_proxy_write) from [<c0598d04>] (vfs_write+0x10c/0x524)
 3395 12:20:14.286658  [  114.852053]  r9:c07e05ec r8:c5803f60 r7:c2816000 r6:b6dcc000 r5:c2f5d400 r4:00000000
 3396 12:20:14.286979  [  114.859809] [<c0598bf8>] (vfs_write) from [<c0599298>] (ksys_write+0x74/0xec)
 3397 12:20:14.329437  [  114.866955]  r10:00000004 r9:00000000 r8:00000000 r7:b6dcc000 r6:c5802000 r5:c2f5d400
 3398 12:20:14.329983  [  114.874791]  r4:c2f5d400
 3399 12:20:14.330342  [  114.877338] [<c0599224>] (ksys_write) from [<c0599328>] (sys_write+0x18/0x1c)
 3400 12:20:14.330674  [  114.884485]  r9:c5802000 r8:c03002e4 r7:00000004 r6:b6f13e00 r5:0000000b r4:0000000b
 3401 12:20:14.330993  [  114.892242] [<c0599310>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 3402 12:20:14.331302  [  114.899819] Exception stack(0xc5803fa8 to 0xc5803ff0)
 3403 12:20:14.331606  [  114.904881] 3fa0:                   0000000b 0000000b 00000001 b6dcc000 0000000b 00000000
 3404 12:20:14.373074  [  114.913070] 3fc0: 0000000b 0000000b b6f13e00 00000004 00000001 00000000 00020000 becc0a64
 3405 12:20:14.373482  [  114.921257] 3fe0: 00000004 becc0798 b6e7e4cf b6e047e6
 3406 12:20:14.373810  [  114.926320] Code: f5d1f05c f5d1f07c e8b151f8 e2522020 (e8a051f8) 
 3407 12:20:14.374112  [  114.932427] ---[ end trace 602be0240ace6254 ]---
 3408 12:20:14.374460  # Segmentation fault
 3409 12:20:14.493886  # [  114.478828] lkdtm: Performing direct entry WRITE_KERN
 3410 12:20:14.494392  # [  114.484502] lkdtm: attempting bad 7511124 byte write at c135da04
 3411 12:20:14.494722  # [  114.492719] 8<--- cut here ---
 3412 12:20:14.495052  # [  114.498429] Unable to handle kernel paging request at virtual address c135da04
 3413 12:20:14.495355  # [  114.507734] pgd = e4f1c5f9
 3414 12:20:14.495662  # [  114.512607] [c135da04] *pgd=1121940e(bad)
 3415 12:20:14.495997  # [  114.519481] Internal error: Oops: 80d [#14] SMP ARM
 3416 12:20:14.537027  # [  114.526695] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3
 3417 12:20:14.537448  # [  114.558398] CPU: 3 PID: 2622 Comm: cat Tainted: G      D W         5.10.162-cip23 #1
 3418 12:20:14.537780  # [  114.568562] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 3419 12:20:14.538088  # [  114.577178] PC is at memcpy+0x50/0x330
 3420 12:20:14.538379  # [  114.583607] LR is at 0xe92dd830
 3421 12:20:14.581213  # [  114.589001] pc : [<c08d1ed0>]    lr : [<e92dd830>]    psr: 200e0013
 3422 12:20:14.581760  # [  114.597433] sp : c5803e2c  ip : e1a0c00d  fp : c5803e64
 3423 12:20:14.582214  # [  114.604739] r10: 0000000b  r9 : c1accf6c  r8 : e89da800
 3424 12:20:14.582558  # [  114.612129] r7 : e8bd4000  r6 : e52de004  r5 : e24cb004  r4 : e92dd800
 3425 12:20:14.582956  # [  114.620648] r3 : e1a0c00d  r2 : 00729bb4  r1 : c0c33dd0  r0 : c135da04
 3426 12:20:14.583278  # [  114.629168] Flags: nzCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 3427 12:20:14.583594  # [  114.638556] Control: 10c5387d  Table: 1580404a  DAC: 00000051
 3428 12:20:14.625149  # [  114.646380] Process cat (pid: 2622, stack limit = 0x0ea696a8)
 3429 12:20:14.625687  # [  114.654291] Stack: (0xc5803e2c to 0xc5804000)
 3430 12:20:14.626046  # [  114.660819] 3e20:                            c0c33db0 00729c54 c5803f60 c15e8704 c135da04
 3431 12:20:14.626380  # [  114.671423] 3e40: c135da04 c135dbe8 0000002a c5a4c000 0000000b c5803f60 c5803e74 c5803e68
 3432 12:20:14.626703  # [  114.682111] 3e60: c0c33040 c135dba8 c5803e9c c5803e78 c0c33540 c0c33020 c0c33420 c2f5d400
 3433 12:20:14.627016  # [  114.692800] 3e80: b6dcc000 0000000b c5357900 c5803f60 c5803ec4 c5803ea0 c07e0650 c0c3342c
 3434 12:20:14.669364  # [  114.703402] 3ea0: 00000000 c2f5d400 b6dcc000 c2816000 c5803f60 c07e05ec c5803f5c c5803ec8
 3435 12:20:14.669908  # [  114.714004] 3ec0: c0598d04 c07e05f8 00000001 00000000 c0599298 c13732e0 c0599298 c5802000
 3436 12:20:14.670268  # [  114.724519] 3ee0: b6dcc000 00020000 00000004 0000000b 0001fff5 c5803ee0 00000001 b6dcb000
 3437 12:20:14.670599  # [  114.735120] 3f00: c5a28140 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 3438 12:20:14.670918  # [  114.745723] 3f20: 00000000 00000000 c13732e0 c671ece4 c205c620 c2f5d400 c2f5d400 c5802000
 3439 12:20:14.713214  # [  114.755024] 3f40: b6dcc000 00000000 00000000 00000004 c5803f94 c5803f60 c0599298 c0598c04
 3440 12:20:14.713788  # [  114.763212] 3f60: 00000000 00000000 c5803fac c671ece4 0000000b 0000000b b6f13e00 00000004
 3441 12:20:14.714197  # [  114.771402] 3f80: c03002e4 c5802000 c5803fa4 c5803f98 c0599328 c0599230 00000000 c5803fa8
 3442 12:20:14.714581  # [  114.779590] 3fa0: c03000c0 c059931c 0000000b 0000000b 00000001 b6dcc000 0000000b 00000000
 3443 12:20:14.714912  # [  114.787779] 3fc0: 0000000b 0000000b b6f13e00 00000004 00000001 00000000 00020000 becc0a64
 3444 12:20:14.757360  # [  114.795966] 3fe0: 00000004 becc0798 b6e7e4cf b6e047e6 800e0030 00000001 00000000 00000000
 3445 12:20:14.757910  # [  114.804148] Backtrace: 
 3446 12:20:14.758270  # [  114.806630] [<c135db9c>] (lkdtm_WRITE_KERN) from [<c0c33040>] (lkdtm_do_action+0x2c/0x4c)
 3447 12:20:14.758605  # [  114.814820]  r7:c5803f60 r6:0000000b r5:c5a4c000 r4:0000002a
 3448 12:20:14.758925  # [  114.820495] [<c0c33014>] (lkdtm_do_action) from [<c0c33540>] (direct_entry+0x120/0x18c)
 3449 12:20:14.759239  # [  114.828517] [<c0c33420>] (direct_entry) from [<c07e0650>] (full_proxy_write+0x64/0x94)
 3450 12:20:14.801381  # [  114.836446]  r9:c5803f60 r8:c5357900 r7:0000000b r6:b6dcc000 r5:c2f5d400 r4:c0c33420
 3451 12:20:14.801979  # [  114.844209] [<c07e05ec>] (full_proxy_write) from [<c0598d04>] (vfs_write+0x10c/0x524)
 3452 12:20:14.802396  # [  114.852053]  r9:c07e05ec r8:c5803f60 r7:c2816000 r6:b6dcc000 r5:c2f5d400 r4:00000000
 3453 12:20:14.802780  # [  114.859809] [<c0598bf8>] (vfs_write) from [<c0599298>] (ksys_write+0x74/0xec)
 3454 12:20:14.803156  # [  114.866955]  r10:00000004 r9:00000000 r8:00000000 r7:b6dcc000 r6:c5802000 r5:c2f5d400
 3455 12:20:14.803488  # [  114.874791]  r4:c2f5d400
 3456 12:20:14.845442  # [  114.877338] [<c0599224>] (ksys_write) from [<c0599328>] (sys_write+0x18/0x1c)
 3457 12:20:14.845988  # [  114.884485]  r9:c5802000 r8:c03002e4 r7:00000004 r6:b6f13e00 r5:0000000b r4:0000000b
 3458 12:20:14.846354  # [  114.892242] [<c0599310>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 3459 12:20:14.846689  # [  114.899819] Exception stack(0xc[  115.415525] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW
 3460 12:20:14.847009  5803fa8 to 0xc5803ff0)
 3461 12:20:14.847326  # [  114.[  115.422728] lkdtm: attempting good refcount_inc() without overflow
 3462 12:20:14.847629  904881] 3fa0:                   0[  115.431718] lkdtm: attempting bad refcount_inc() overflow
 3463 12:20:14.889342  000000b 0000000b 00000001 b6dcc00[  115.440061] ------------[ cut here ]------------
 3464 12:20:14.889947  0 0000000b 00000000
 3465 12:20:14.890336  # [  114.913[  115.447456] WARNING: CPU: 2 PID: 2697 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174
 3466 12:20:14.890674  070] 3fc0: 0000000b 0000000b b6f1[  115.458742] refcount_t: saturated; leaking memory.
 3467 12:20:14.933446  3e00 00000004 00000001 00000000 0[  115.466388] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3
 3468 12:20:14.934017  0020000 becc0a64
 3469 12:20:14.934386  # [  114.921257[  115.498100] CPU: 2 PID: 2697 Comm: cat Tainted: G      D W         5.10.162-cip23 #1
 3470 12:20:14.934725  ] 3fe0: 0[0 0 0101050.45 0b8e6c6c] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 3471 12:20:14.935052  0798 b6e7e4cf b6e[0 4 71e165
 3472 12:20:14.935367  .
 3473 12:20:14.935671  5#6926] Backtrace: 
 3474 12:20:14.977388   [  114.926320] Code: f5d1f05c f5  115.521470] [<c134ff48>] (dump_backtrace) from [<c1350308>] (show_stack+0x20/0x24)
 3475 12:20:14.977937  d1f07c e8b151f8[  e 2151252.05230803]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6f8
 3476 12:20:14.978301   (e8a051f8) 
 3477 12:20:14.978636  # [[    111145..9539460] [<c13502e8>] (show_stack) from [<c13574fc>] (dump_stack+0xe0/0x100)
 3478 12:20:14.978964  2427] ---[ end trace 602[b e 01215.548855] [<c135741c>] (dump_stack) from [<c03567a4>] (__warn+0xfc/0x16c)
 3479 12:20:14.979290  0ace6254 ]---
 3480 12:20:14.979605  # W[R I T1E1_5K.E558242]  r9:00000009 r8:c08722f4 r7:00000016 r6:00000009 r5:c08722f4 r4:c1a20ffc
 3481 12:20:15.021393  N: missing 'call trace[: ' :1 1[5.568154] [<c03566a8>] (__warn) from [<c1351428>] (warn_slowpath_fmt+0x8c/0xa8)
 3482 12:20:15.021946  AIL]
 3483 12:20:15.022308  not ok[  4 11 1s5e.l5f7t7e973]  r7:00000016 r6:c1a20ffc r5:c1a20fd4 r4:c68ea000
 3484 12:20:15.022651  ts: lkdtm: WRITE_KER[N . s1h1 5#.585545] [<c13513a0>] (warn_slowpath_fmt) from [<c08722f4>] (refcount_warn_saturate+0xd4/0x174)
 3485 12:20:15.022985  exit=1
 3486 12:20:15.023298  # sel[f t e1s1t5.s5:9 6l755]  r9:c1accf78 r8:c15e8704 r7:c68ebf60 r6:00000016 r5:c5d69000 r4:c68ea000
 3487 12:20:15.065336  dtm: REFCOUNT_INC_OVER[F L O1W1.5.606412] [<c0872220>] (refcount_warn_saturate) from [<c0c340c4>] (__refcount_add.constprop.0+0x44/0x58)
 3488 12:20:15.065890  h
 3489 12:20:15.066260  [  115.618405] [<c0c34080>] (__refcount_add.constprop.0) from [<c135e018>] (lkdtm_REFCOUNT_INC_OVERFLOW+0x78/0x9c)
 3490 12:20:15.066605  [  115.628749] [<c135dfa0>] (lkdtm_REFCOUNT_INC_OVERFLOW) from [<c0c33040>] (lkdtm_do_action+0x2c/0x4c)
 3491 12:20:15.066934  [  115.637886]  r4:0000002b
 3492 12:20:15.067251  [  115.640429] [<c0c33014>] (lkdtm_do_action) from [<c0c33540>] (direct_entry+0x120/0x18c)
 3493 12:20:15.109440  [  115.648447] [<c0c33420>] (direct_entry) from [<c07e0650>] (full_proxy_write+0x64/0x94)
 3494 12:20:15.109990  [  115.656374]  r9:c68ebf60 r8:c5357900 r7:00000016 r6:b6e0d000 r5:c5a28140 r4:c0c33420
 3495 12:20:15.110356  [  115.664132] [<c07e05ec>] (full_proxy_write) from [<c0598d04>] (vfs_write+0x10c/0x524)
 3496 12:20:15.110692  [  115.671971]  r9:c07e05ec r8:c68ebf60 r7:c2816000 r6:b6e0d000 r5:c5a28140 r4:00000000
 3497 12:20:15.111016  [  115.679723] [<c0598bf8>] (vfs_write) from [<c0599298>] (ksys_write+0x74/0xec)
 3498 12:20:15.111329  [  115.686866]  r10:00000004 r9:00000000 r8:00000000 r7:b6e0d000 r6:c68ea000 r5:c5a28140
 3499 12:20:15.111637  [  115.694700]  r4:c5a28140
 3500 12:20:15.153425  [  115.697242] [<c0599224>] (ksys_write) from [<c0599328>] (sys_write+0x18/0x1c)
 3501 12:20:15.153974  [  115.704386]  r9:c68ea000 r8:c03002e4 r7:00000004 r6:b6f54e00 r5:00000016 r4:00000016
 3502 12:20:15.154334  [  115.712139] [<c0599310>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 3503 12:20:15.154654  [  115.719713] Exception stack(0xc68ebfa8 to 0xc68ebff0)
 3504 12:20:15.154961  [  115.724774] bfa0:                   00000016 00000016 00000001 b6e0d000 00000016 00000000
 3505 12:20:15.155265  [  115.732959] bfc0: 00000016 00000016 b6f54e00 00000004 00000001 00000000 00020000 bed46a64
 3506 12:20:15.197245  [  115.741141] bfe0: 00000004 bed46798 b6ebf4cf b6e457e6
 3507 12:20:15.197757  [  115.746258] irq event stamp: 0
 3508 12:20:15.198103  [  115.749353] hardirqs last  enabled at (0): [<00000000>] 0x0
 3509 12:20:15.198429  [  115.754942] hardirqs last disabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974
 3510 12:20:15.198745  [  115.762475] softirqs last  enabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974
 3511 12:20:15.199053  [  115.770031] softirqs last disabled at (0): [<00000000>] 0x0
 3512 12:20:15.199352  [  115.775621] ---[ end trace 602be0240ace6255 ]---
 3513 12:20:15.199647  [  115.780280] lkdtm: Overflow detected: saturated
 3514 12:20:15.304770  # [  115.415525] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW
 3515 12:20:15.305306  # [  115.422728] lkdtm: attempting good refcount_inc() without overflow
 3516 12:20:15.305658  # [  115.431718] lkdtm: attempting bad refcount_inc() overflow
 3517 12:20:15.305982  # [  115.440061] ------------[ cut here ]------------
 3518 12:20:15.306292  # [  115.447456] WARNING: CPU: 2 PID: 2697 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174
 3519 12:20:15.306600  # [  115.458742] refcount_t: saturated; leaking memory.
 3520 12:20:15.347581  # [  115.466388] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3
 3521 12:20:15.348129  # [  115.498100] CPU: 2 PID: 2697 Comm: cat Tainted: G      D W         5.10.162-cip23 #1
 3522 12:20:15.348485  # [  115.508664] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 3523 12:20:15.348862  # [  115.516926] Backtrace: 
 3524 12:20:15.390475  # [  115.521470] [<c134ff48>] (dump_backtrace) from [<c1350308>] (show_stack+0x20/0x24)
 3525 12:20:15.390993  # [  115.531803]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6f8
 3526 12:20:15.391413  # [  115.539460] [<c13502e8>] (show_stack) from [<c13574fc>] (dump_stack+0xe0/0x100)
 3527 12:20:15.391773  # [  115.548855] [<c135741c>] (dump_stack) from [<c03567a4>] (__warn+0xfc/0x16c)
 3528 12:20:15.392102  # [  115.558242]  r9:00000009 r8:c08722f4 r7:00000016 r6:00000009 r5:c08722f4 r4:c1a20ffc
 3529 12:20:15.392441  # [  115.568154] [<c03566a8>] (__warn) from [<c1351428>] (warn_slowpath_fmt+0x8c/0xa8)
 3530 12:20:15.433660  # [  115.577973]  r7:00000016 r6:c1a20ffc r5:c1a20fd4 r4:c68ea000
 3531 12:20:15.434200  # [  115.585545] [<c13513a0>] (warn_slowpath_fmt) from [<c08722f4>] (refcount_warn_saturate+0xd4/0x174)
 3532 12:20:15.434563  # [  115.596755]  r9:c1accf78 r8:c15e8704 r7:c68ebf60 r6:00000016 r5:c5d69000 r4:c68ea000
 3533 12:20:15.434904  # [  115.606412] [<c0872220>] (refcount_warn_saturate) from [<c0c340c4>] (__refcount_add.constprop.0+0x44/0x58)
 3534 12:20:15.435234  # [  115.618405] [<c0c34080>] (__refcount_add.constprop.0) from [<c135e018>] (lkdtm_REFCOUNT_INC_OVERFLOW+0x78/0x9c)
 3535 12:20:15.477172  # [  115.628749] [<c135dfa0>] (lkdtm_REFCOUNT_INC_OVERFLOW) from [<c0c33040>] (lkdtm_do_action+0x2c/0x4c)
 3536 12:20:15.477741  # [  115.637886]  r4:0000002b
 3537 12:20:15.478119  # [  115.640429] [<c0c33014>] (lkdtm_do_action) from [<c0c33540>] (direct_entry+0x120/0x18c)
 3538 12:20:15.478462  # [  115.648447] [<c0c33420>] (direct_entry) from [<c07e0650>] (full_proxy_write+0x64/0x94)
 3539 12:20:15.478787  # [  115.656374]  r9:c68ebf60 r8:c5357900 r7:00000016 r6:b6e0d000 r5:c5a28140 r4:c0c33420
 3540 12:20:15.479125  # [  115.664132] [<c07e05ec>] (full_proxy_write) from [<c0598d04>] (vfs_write+0x10c/0x524)
 3541 12:20:15.521174  # [  115.671971]  r9:c07e05ec r8:c68ebf60 r7:c2816000 r6:b6e0d000 r5:c5a28140 r4:00000000
 3542 12:20:15.521692  # [  115.679723] [<c0598bf8>] (vfs_write) from [<c0599298>] (ksys_write+0x74/0xec)
 3543 12:20:15.522053  # [  115.686866]  r10:00000004 r9:00000000 r8:00000000 r7:b6e0d000 r6:c68ea000 r5:c5a28140
 3544 12:20:15.522389  # [  115.694700]  r4:c5a28140
 3545 12:20:15.522710  # [  115.697242] [<c0599224>] (ksys_write) from [<c0599328>] (sys_write+0x18/0x1c)
 3546 12:20:15.523027  # [  115.704386]  r9:c68ea000 r8:c03002e4 r7:00000004 r6:b6f54e00 r5:00000016 r4:00000016
 3547 12:20:15.565323  # [  115.712139] [<c0599310>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 3548 12:20:15.565865  # [  115.719713] Exception stack(0xc68ebfa8 to 0xc68ebff0)
 3549 12:20:15.566236  # [  115.724774] bfa0:                   00000016 00000016 00000001 b6e0d000 00000016 00000000
 3550 12:20:15.566576  # [  115.732959] bfc0: 00000016 00000016 b6f54e00 00000004 00000001 00000000 00020000 bed46a64
 3551 12:20:15.566898  # [  115.741141] bfe0: 00000004 bed46798 b6ebf4cf b6e457e6
 3552 12:20:15.567214  # [  115.746258] irq event stamp: 0
 3553 12:20:15.567518  # [  115.749353] hardirqs last  enabled at (0): [<00000000>] 0x0
 3554 12:20:15.609348  # [  115.754942] hardirqs last disabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974
 3555 12:20:15.609897  # [  115.762475] softirqs last  enabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974
 3556 12:20:15.610264  # [  115.770031] softirqs last disabled at (0): [<00000000>] 0x0
 3557 12:20:15.610600  # [  115.775621] ---[ end trace 602be0240ace6255 ]---
 3558 12:20:15.610918  # [  115.780280] lkdtm: Overflow detected: saturated
 3559 12:20:15.611230  # REFCOUNT_INC_OVERFLOW: missin[  116.193566] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW
 3560 12:20:15.611539  g 'call trace:': [FAIL]
 3561 12:20:15.653341  not ok 4[  116.200250] lkdtm: attempting good refcount_add() without overflow
 3562 12:20:15.653885  2 selftests: lkdtm: REFCOUNT_INC_[  116.209262] lkdtm: attempting bad refcount_add() overflow
 3563 12:20:15.654258  OVERFLOW.sh # exit=1
 3564 12:20:15.654595  # selftests[  116.217538] ------------[ cut here ]------------
 3565 12:20:15.654920  : lkdtm: REFCOUNT_ADD_OVERFLOW.sh[  116.224953] WARNING: CPU: 2 PID: 2731 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174
 3566 12:20:15.655240  
 3567 12:20:15.655543  [  116.236258] refcount_t: saturated; leaking memory.
 3568 12:20:15.697424  [  116.241221] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3
 3569 12:20:15.697985  [  116.270384] CPU: 2 PID: 2731 Comm: cat Tainted: G      D W         5.10.162-cip23 #1
 3570 12:20:15.698354  [  116.278134] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 3571 12:20:15.698690  [  116.284665] Backtrace: 
 3572 12:20:15.741423  [  116.287138] [<c134ff48>] (dump_backtrace) from [<c1350308>] (show_stack+0x20/0x24)
 3573 12:20:15.741975  [  116.294717]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6f8
 3574 12:20:15.742340  [  116.300388] [<c13502e8>] (show_stack) from [<c13574fc>] (dump_stack+0xe0/0x100)
 3575 12:20:15.742679  [  116.307711] [<c135741c>] (dump_stack) from [<c03567a4>] (__warn+0xfc/0x16c)
 3576 12:20:15.743000  [  116.314684]  r9:00000009 r8:c08722f4 r7:00000016 r6:00000009 r5:c08722f4 r4:c1a20ffc
 3577 12:20:15.743314  [  116.322440] [<c03566a8>] (__warn) from [<c1351428>] (warn_slowpath_fmt+0x8c/0xa8)
 3578 12:20:15.743617  [  116.329929]  r7:00000016 r6:c1a20ffc r5:c1a20fd4 r4:c6bae000
 3579 12:20:15.785433  [  116.335600] [<c13513a0>] (warn_slowpath_fmt) from [<c08722f4>] (refcount_warn_saturate+0xd4/0x174)
 3580 12:20:15.785977  [  116.344566]  r9:c1accf90 r8:c15e8704 r7:c6baff60 r6:00000016 r5:c6e35000 r4:c6bae000
 3581 12:20:15.786346  [  116.352322] [<c0872220>] (refcount_warn_saturate) from [<c0c340c4>] (__refcount_add.constprop.0+0x44/0x58)
 3582 12:20:15.786688  [  116.361988] [<c0c34080>] (__refcount_add.constprop.0) from [<c135e0c0>] (lkdtm_REFCOUNT_ADD_OVERFLOW+0x84/0xa8)
 3583 12:20:15.829417  [  116.372083] [<c135e03c>] (lkdtm_REFCOUNT_ADD_OVERFLOW) from [<c0c33040>] (lkdtm_do_action+0x2c/0x4c)
 3584 12:20:15.829969  [  116.381218]  r4:0000002c
 3585 12:20:15.830330  [  116.383761] [<c0c33014>] (lkdtm_do_action) from [<c0c33540>] (direct_entry+0x120/0x18c)
 3586 12:20:15.830663  [  116.391777] [<c0c33420>] (direct_entry) from [<c07e0650>] (full_proxy_write+0x64/0x94)
 3587 12:20:15.830982  [  116.399703]  r9:c6baff60 r8:c5357900 r7:00000016 r6:b6eac000 r5:c59e8640 r4:c0c33420
 3588 12:20:15.831300  [  116.407459] [<c07e05ec>] (full_proxy_write) from [<c0598d04>] (vfs_write+0x10c/0x524)
 3589 12:20:15.831608  [  116.415297]  r9:c07e05ec r8:c6baff60 r7:c2816000 r6:b6eac000 r5:c59e8640 r4:00000000
 3590 12:20:15.873422  [  116.423050] [<c0598bf8>] (vfs_write) from [<c0599298>] (ksys_write+0x74/0xec)
 3591 12:20:15.873970  [  116.430192]  r10:00000004 r9:00000000 r8:00000000 r7:b6eac000 r6:c6bae000 r5:c59e8640
 3592 12:20:15.874338  [  116.438025]  r4:c59e8640
 3593 12:20:15.874667  [  116.440569] [<c0599224>] (ksys_write) from [<c0599328>] (sys_write+0x18/0x1c)
 3594 12:20:15.874992  [  116.447713]  r9:c6bae000 r8:c03002e4 r7:00000004 r6:b6ff3e00 r5:00000016 r4:00000016
 3595 12:20:15.875307  [  116.455468] [<c0599310>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 3596 12:20:15.917156  [  116.463043] Exception stack(0xc6baffa8 to 0xc6bafff0)
 3597 12:20:15.917726  [  116.468104] ffa0:                   00000016 00000016 00000001 b6eac000 00000016 00000000
 3598 12:20:15.918109  [  116.476290] ffc0: 00000016 00000016 b6ff3e00 00000004 00000001 00000000 00020000 be8fea64
 3599 12:20:15.918447  [  116.484473] ffe0: 00000004 be8fe798 b6f5e4cf b6ee47e6
 3600 12:20:15.918771  [  116.489586] irq event stamp: 0
 3601 12:20:15.919108  [  116.492658] hardirqs last  enabled at (0): [<00000000>] 0x0
 3602 12:20:15.919420  [  116.498274] hardirqs last disabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974
 3603 12:20:15.961382  [  116.505777] softirqs last  enabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974
 3604 12:20:15.961926  [  116.513317] softirqs last disabled at (0): [<00000000>] 0x0
 3605 12:20:15.962291  [  116.518932] ---[ end trace 602be0240ace6256 ]---
 3606 12:20:15.962626  [  116.523563] lkdtm: Overflow detected: saturated
 3607 12:20:16.056856  # [  116.193566] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW
 3608 12:20:16.057396  # [  116.200250] lkdtm: attempting good refcount_add() without overflow
 3609 12:20:16.057758  # [  116.209262] lkdtm: attempting bad refcount_add() overflow
 3610 12:20:16.058091  # [  116.217538] ------------[ cut here ]------------
 3611 12:20:16.058413  # [  116.224953] WARNING: CPU: 2 PID: 2731 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174
 3612 12:20:16.058731  # [  116.236258] refcount_t: saturated; leaking memory.
 3613 12:20:16.100240  # [  116.241221] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3
 3614 12:20:16.100891  # [  116.270384] CPU: 2 PID: 2731 Comm: cat Tainted: G      D W         5.10.162-cip23 #1
 3615 12:20:16.101266  # [  116.278134] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 3616 12:20:16.101604  # [  116.284665] Backtrace: 
 3617 12:20:16.145137  # [  116.287138] [<c134ff48>] (dump_backtrace) from [<c1350308>] (show_stack+0x20/0x24)
 3618 12:20:16.145680  # [  116.294717]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6f8
 3619 12:20:16.146043  # [  116.300388] [<c13502e8>] (show_stack) from [<c13574fc>] (dump_stack+0xe0/0x100)
 3620 12:20:16.146381  # [  116.307711] [<c135741c>] (dump_stack) from [<c03567a4>] (__warn+0xfc/0x16c)
 3621 12:20:16.146701  # [  116.314684]  r9:00000009 r8:c08722f4 r7:00000016 r6:00000009 r5:c08722f4 r4:c1a20ffc
 3622 12:20:16.147056  # [  116.322440] [<c03566a8>] (__warn) from [<c1351428>] (warn_slowpath_fmt+0x8c/0xa8)
 3623 12:20:16.193089  # [  116.329929]  r7:00000016 r6:c1a20ffc r5:c1a20fd4 r4:c6bae000
 3624 12:20:16.193776  # [  116.335600] [<c13513a0>] (warn_slowpath_fmt) from [<c08722f4>] (refcount_warn_saturate+0xd4/0x174)
 3625 12:20:16.194199  # [  116.344566]  r9:c1accf90 r8:c15e8704 r7:c6baff60 r6:00000016 r5:c6e35000 r4:c6bae000
 3626 12:20:16.194610  # [  116.352322] [<c0872220>] (refcount_warn_saturate) from [<c0c340c4>] (__refcount_add.constprop.0+0x44/0x58)
 3627 12:20:16.195077  # [  116.361988] [<c0c34080>] (__refcount_add.constprop.0) from [<c135e0c0>] (lkdtm_REFCOUNT_ADD_OVERFLOW+0x84/0xa8)
 3628 12:20:16.241188  # [  116.372083] [<c135e03c>] (lkdtm_REFCOUNT_ADD_OVERFLOW) from [<c0c33040>] (lkdtm_do_action+0x2c/0x4c)
 3629 12:20:16.241772  # [  116.381218]  r4:0000002c
 3630 12:20:16.242166  # [  116.383761] [<c0c33014>] (lkdtm_do_action) from [<c0c33540>] (direct_entry+0x120/0x18c)
 3631 12:20:16.242507  # [  116.391777] [<c0c33420>] (direct_entry) from [<c07e0650>] (full_proxy_write+0x64/0x94)
 3632 12:20:16.242828  # [  116.399703]  r9:c6baff60 r8:c5357900 r7:00000016 r6:b6eac000 r5:c59e8640 r4:c0c33420
 3633 12:20:16.243144  # [  116.407459] [<c07e05ec>] (full_proxy_write) from [<c0598d04>] (vfs_write+0x10c/0x524)
 3634 12:20:16.285302  # [  116.415297]  r9:c07e05ec r8:c6baff60 r7:c2816000 r6:b6eac000 r5:c59e8640 r4:00000000
 3635 12:20:16.285852  # [  116.423050] [<c0598bf8>] (vfs_write) from [<c0599298>] (ksys_write+0x74/0xec)
 3636 12:20:16.286223  # [  116.430192]  r10:00000004 r9:00000000 r8:00000000 r7:b6eac000 r6:c6bae000 r5:c59e8640
 3637 12:20:16.286562  # [  116.438025]  r4:c59e8640
 3638 12:20:16.286881  # [  116.440569] [<c0599224>] (ksys_write) from [<c0599328>] (sys_write+0x18/0x1c)
 3639 12:20:16.287200  # [  116.447713]  r9:c6bae000 r8:c03002e4 r7:00000004 r6:b6ff3e00 r5:00000016 r4:00000016
 3640 12:20:16.329455  # [  116.455468] [<c0599310>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 3641 12:20:16.330001  # [  116.463043] Exception stack(0xc6baffa8 to 0xc6bafff0)
 3642 12:20:16.330367  # [  116.468104] ffa0:                   00000016 00000016 00000001 b6eac000 00000016 00000000
 3643 12:20:16.330704  # [  116.476290] ffc0: 00000016 00000016 b6ff3e00 00000004 00000001 00000000 00020000 be8fea64
 3644 12:20:16.331022  # [  116.484473] ffe0: 00000004 be8fe798 b6f5e4cf b6ee47e6
 3645 12:20:16.331333  # [  116.489586] irq event stamp: 0
 3646 12:20:16.331638  # [  116.492658] hardirqs last  enabled at (0): [<00000000>] 0x0
 3647 12:20:16.373340  # [  116.498274] hardirqs last disabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974
 3648 12:20:16.373885  # [  116.505777] softirqs last  enabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974
 3649 12:20:16.374250  # [  116.513317] softirqs last disabled at (0): [<00000000>] 0x0
 3650 12:20:16.374586  # [  116.518932] ---[ end trace 602be0240ace6256 ]---
 3651 12:20:16.374908  # [  116.523563] lkdtm: Overflow detected: saturated
 3652 12:20:16.375224  # REFCOUNT_ADD_OVERFLOW: missing 'call trace:': [FAIL]
 3653 12:20:16.417433  not ok 43 selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh # e[  116.952483] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW
 3654 12:20:16.417991  xit=1
 3655 12:20:16.418354  # selftests: lkdtm: REFCOU[  116.960501] lkdtm: attempting bad refcount_inc_not_zero() overflow
 3656 12:20:16.418690  NT_INC_NOT_ZERO_OVERFLOW.sh
 3657 12:20:16.419015  [  116.969635] ------------[ cut here ]------------
 3658 12:20:16.419329  [  116.976665] WARNING: CPU: 3 PID: 2765 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174
 3659 12:20:16.419636  [  116.985112] refcount_t: saturated; leaking memory.
 3660 12:20:16.461396  [  116.989960] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3
 3661 12:20:16.461954  [  117.019097] CPU: 3 PID: 2765 Comm: cat Tainted: G      D W         5.10.162-cip23 #1
 3662 12:20:16.462323  [  117.026846] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 3663 12:20:16.462660  [  117.033377] Backtrace: 
 3664 12:20:16.462983  [  117.035849] [<c134ff48>] (dump_backtrace) from [<c1350308>] (show_stack+0x20/0x24)
 3665 12:20:16.505452  [  117.043430]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6f8
 3666 12:20:16.506002  [  117.049101] [<c13502e8>] (show_stack) from [<c13574fc>] (dump_stack+0xe0/0x100)
 3667 12:20:16.506368  [  117.056424] [<c135741c>] (dump_stack) from [<c03567a4>] (__warn+0xfc/0x16c)
 3668 12:20:16.506704  [  117.063396]  r9:00000009 r8:c08722c0 r7:00000013 r6:00000009 r5:c08722c0 r4:c1a20ffc
 3669 12:20:16.507028  [  117.071152] [<c03566a8>] (__warn) from [<c1351428>] (warn_slowpath_fmt+0x8c/0xa8)
 3670 12:20:16.507346  [  117.078641]  r7:00000013 r6:c1a20ffc r5:c1a20fd4 r4:c6c40000
 3671 12:20:16.549333  [  117.084312] [<c13513a0>] (warn_slowpath_fmt) from [<c08722c0>] (refcount_warn_saturate+0xa0/0x174)
 3672 12:20:16.549882  [  117.093282]  r9:c1accfa8 r8:c15e8704 r7:c6c41f60 r6:0000001f r5:c4761000 r4:7fffffff
 3673 12:20:16.550249  [  117.101035] [<c0872220>] (refcount_warn_saturate) from [<c135df8c>] (__refcount_add_not_zero.constprop.0+0x64/0x78)
 3674 12:20:16.550587  [  117.111481] [<c135df28>] (__refcount_add_not_zero.constprop.0) from [<c135e134>] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x50/0x88)
 3675 12:20:16.550911  [  117.123137]  r5:c4761000 r4:c6c40000
 3676 12:20:16.593374  [  117.126724] [<c135e0e4>] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW) from [<c0c33040>] (lkdtm_do_action+0x2c/0x4c)
 3677 12:20:16.593923  [  117.136642]  r4:0000002d
 3678 12:20:16.594284  [  117.139186] [<c0c33014>] (lkdtm_do_action) from [<c0c33540>] (direct_entry+0x120/0x18c)
 3679 12:20:16.594616  [  117.147203] [<c0c33420>] (direct_entry) from [<c07e0650>] (full_proxy_write+0x64/0x94)
 3680 12:20:16.594936  [  117.155127]  r9:c6c41f60 r8:c5357900 r7:0000001f r6:b6e44000 r5:c5a91900 r4:c0c33420
 3681 12:20:16.595249  [  117.162884] [<c07e05ec>] (full_proxy_write) from [<c0598d04>] (vfs_write+0x10c/0x524)
 3682 12:20:16.641178  [  117.170721]  r9:c07e05ec r8:c6c41f60 r7:c2816000 r6:b6e44000 r5:c5a91900 r4:00000000
 3683 12:20:16.641720  [  117.178473] [<c0598bf8>] (vfs_write) from [<c0599298>] (ksys_write+0x74/0xec)
 3684 12:20:16.642085  [  117.185616]  r10:00000004 r9:00000000 r8:00000000 r7:b6e44000 r6:c6c40000 r5:c5a91900
 3685 12:20:16.642423  [  117.193450]  r4:c5a91900
 3686 12:20:16.642744  [  117.195994] [<c0599224>] (ksys_write) from [<c0599328>] (sys_write+0x18/0x1c)
 3687 12:20:16.643057  [  117.203136]  r9:c6c40000 r8:c03002e4 r7:00000004 r6:b6f8be00 r5:0000001f r4:0000001f
 3688 12:20:16.643364  [  117.210890] [<c0599310>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 3689 12:20:16.684942  [  117.218463] Exception stack(0xc6c41fa8 to 0xc6c41ff0)
 3690 12:20:16.685098  [  117.223522] 1fa0:                   0000001f 0000001f 00000001 b6e44000 0000001f 00000000
 3691 12:20:16.685168  [  117.231710] 1fc0: 0000001f 0000001f b6f8be00 00000004 00000001 00000000 00020000 be810a64
 3692 12:20:16.685233  [  117.239893] 1fe0: 00000004 be810798 b6ef64cf b6e7c7e6
 3693 12:20:16.685296  [  117.245006] irq event stamp: 0
 3694 12:20:16.685357  [  117.248105] hardirqs last  enabled at (0): [<00000000>] 0x0
 3695 12:20:16.685417  [  117.253694] hardirqs last disabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974
 3696 12:20:16.729298  [  117.261232] softirqs last  enabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974
 3697 12:20:16.729844  [  117.268791] softirqs last disabled at (0): [<00000000>] 0x0
 3698 12:20:16.730206  [  117.274380] ---[ end trace 602be0240ace6257 ]---
 3699 12:20:16.730542  [  117.279042] lkdtm: Overflow detected: saturated
 3700 12:20:16.809627  # [  116.952483] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW
 3701 12:20:16.810172  # [  116.960501] lkdtm: attempting bad refcount_inc_not_zero() overflow
 3702 12:20:16.810536  # [  116.969635] ------------[ cut here ]------------
 3703 12:20:16.810874  # [  116.976665] WARNING: CPU: 3 PID: 2765 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174
 3704 12:20:16.811204  # [  116.985112] refcount_t: saturated; leaking memory.
 3705 12:20:16.853149  # [  116.989960] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3
 3706 12:20:16.853713  # [  117.019097] CPU: 3 PID: 2765 Comm: cat Tainted: G      D W         5.10.162-cip23 #1
 3707 12:20:16.854176  # [  117.026846] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 3708 12:20:16.854521  # [  117.033377] Backtrace: 
 3709 12:20:16.854909  # [  117.035849] [<c134ff48>] (dump_backtrace) from [<c1350308>] (show_stack+0x20/0x24)
 3710 12:20:16.901159  # [  117.043430]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6f8
 3711 12:20:16.901699  # [  117.049101] [<c13502e8>] (show_stack) from [<c13574fc>] (dump_stack+0xe0/0x100)
 3712 12:20:16.902132  # [  117.056424] [<c135741c>] (dump_stack) from [<c03567a4>] (__warn+0xfc/0x16c)
 3713 12:20:16.902481  # [  117.063396]  r9:00000009 r8:c08722c0 r7:00000013 r6:00000009 r5:c08722c0 r4:c1a20ffc
 3714 12:20:16.902812  # [  117.071152] [<c03566a8>] (__warn) from [<c1351428>] (warn_slowpath_fmt+0x8c/0xa8)
 3715 12:20:16.903128  # [  117.078641]  r7:00000013 r6:c1a20ffc r5:c1a20fd4 r4:c6c40000
 3716 12:20:16.945086  # [  117.084312] [<c13513a0>] (warn_slowpath_fmt) from [<c08722c0>] (refcount_warn_saturate+0xa0/0x174)
 3717 12:20:16.945714  # [  117.093282]  r9:c1accfa8 r8:c15e8704 r7:c6c41f60 r6:0000001f r5:c4761000 r4:7fffffff
 3718 12:20:16.946175  # [  117.101035] [<c0872220>] (refcount_warn_saturate) from [<c135df8c>] (__refcount_add_not_zero.constprop.0+0x64/0x78)
 3719 12:20:16.946584  # [  117.111481] [<c135df28>] (__refcount_add_not_zero.constprop.0) from [<c135e134>] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x50/0x88)
 3720 12:20:16.947001  # [  117.123137]  r5:c4761000 r4:c6c40000
 3721 12:20:16.989307  # [  117.126724] [<c135e0e4>] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW) from [<c0c33040>] (lkdtm_do_action+0x2c/0x4c)
 3722 12:20:16.989859  # [  117.136642]  r4:0000002d
 3723 12:20:16.990287  # [  117.139186] [<c0c33014>] (lkdtm_do_action) from [<c0c33540>] (direct_entry+0x120/0x18c)
 3724 12:20:16.990638  # [  117.147203] [<c0c33420>] (direct_entry) from [<c07e0650>] (full_proxy_write+0x64/0x94)
 3725 12:20:16.991020  # [  117.155127]  r9:c6c41f60 r8:c5357900 r7:0000001f r6:b6e44000 r5:c5a91900 r4:c0c33420
 3726 12:20:16.991352  # [  117.162884] [<c07e05ec>] (full_proxy_write) from [<c0598d04>] (vfs_write+0x10c/0x524)
 3727 12:20:17.033179  # [  117.170721]  r9:c07e05ec r8:c6c41f60 r7:c2816000 r6:b6e44000 r5:c5a91900 r4:00000000
 3728 12:20:17.033730  # [  117.178473] [<c0598bf8>] (vfs_write) from [<c0599298>] (ksys_write+0x74/0xec)
 3729 12:20:17.034102  # [  117.185616]  r10:00000004 r9:00000000 r8:00000000 r7:b6e44000 r6:c6c40000 r5:c5a91900
 3730 12:20:17.034435  # [  117.193450]  r4:c5a91900
 3731 12:20:17.034750  # [  117.195994] [<c0599224>] (ksys_write) from [<c0599328>] (sys_write+0x18/0x1c)
 3732 12:20:17.035064  # [  117.203136]  r9:c6c40000 r8:c03002e4 r7:00000004 r6:b6f8be00 r5:0000001f r4:0000001f
 3733 12:20:17.077300  # [  117.210890] [<c0599310>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 3734 12:20:17.077851  # [  117.218463] Exception stack(0xc6c41fa8 to 0xc6c41ff0)
 3735 12:20:17.078222  # [  117.223522] 1fa0:                   0000001f 0000001f 00000001 b6e44000 0000001f 00000000
 3736 12:20:17.078559  # [  117.231710] 1fc0: 0000001f 0000001f b6f8be00 00000004 00000001 00000000 00020000 be810a64
 3737 12:20:17.078884  # [  117.239893] 1fe0: 00000004 be810798 b6ef64cf b6e7c7e6
 3738 12:20:17.079199  # [  117.245006] irq event stamp: 0
 3739 12:20:17.079504  # [  117.248105] hardirqs last  enabled at (0): [<00000000>] 0x0
 3740 12:20:17.121295  # [  117.253694] hardirqs last disabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974
 3741 12:20:17.121844  # [  117.261232] softirqs last  enabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974
 3742 12:20:17.122213  # [  117.268791] softirqs last disabled at (0): [<00000000>] 0x0
 3743 12:20:17.122551  # [  117.274380] ---[ end trace 602be0240ace6257 ]---
 3744 12:20:17.122876  # [  117.279042] lkdtm: Overflow detected: saturated
 3745 12:20:17.123190  # REFCOUNT_INC_NOT_ZERO_OVERFLOW: missing 'call trace:': [FAIL]
 3746 12:20:17.123495  not ok 44 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh # exit=1
 3747 12:20:17.165145  # selftests: lkdtm: REFCO[  117.711938] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW
 3748 12:20:17.165694  UNT_ADD_NOT_ZERO_OVERFLOW.sh
 3749 12:20:17.166060  [  117.719615] lkdtm: attempting bad refcount_add_not_zero() overflow
 3750 12:20:17.166400  [  117.728305] ------------[ cut here ]------------
 3751 12:20:17.166724  [  117.732954] WARNING: CPU: 3 PID: 2799 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174
 3752 12:20:17.167041  [  117.741543] refcount_t: saturated; leaking memory.
 3753 12:20:17.209390  [  117.746393] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3
 3754 12:20:17.209957  [  117.775536] CPU: 3 PID: 2799 Comm: cat Tainted: G      D W         5.10.162-cip23 #1
 3755 12:20:17.210341  [  117.783286] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 3756 12:20:17.210682  [  117.789819] Backtrace: 
 3757 12:20:17.253329  [  117.792291] [<c134ff48>] (dump_backtrace) from [<c1350308>] (show_stack+0x20/0x24)
 3758 12:20:17.253876  [  117.799868]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6f8
 3759 12:20:17.254242  [  117.805539] [<c13502e8>] (show_stack) from [<c13574fc>] (dump_stack+0xe0/0x100)
 3760 12:20:17.254581  [  117.812861] [<c135741c>] (dump_stack) from [<c03567a4>] (__warn+0xfc/0x16c)
 3761 12:20:17.254904  [  117.819833]  r9:00000009 r8:c08722c0 r7:00000013 r6:00000009 r5:c08722c0 r4:c1a20ffc
 3762 12:20:17.255219  [  117.827588] [<c03566a8>] (__warn) from [<c1351428>] (warn_slowpath_fmt+0x8c/0xa8)
 3763 12:20:17.255525  [  117.835079]  r7:00000013 r6:c1a20ffc r5:c1a20fd4 r4:c5c1a000
 3764 12:20:17.297389  [  117.840751] [<c13513a0>] (warn_slowpath_fmt) from [<c08722c0>] (refcount_warn_saturate+0xa0/0x174)
 3765 12:20:17.297939  [  117.849718]  r9:c1accfc8 r8:c15e8704 r7:c5c1bf60 r6:0000001f r5:c4761000 r4:7fffffff
 3766 12:20:17.298302  [  117.857474] [<c0872220>] (refcount_warn_saturate) from [<c135df8c>] (__refcount_add_not_zero.constprop.0+0x64/0x78)
 3767 12:20:17.298640  [  117.867918] [<c135df28>] (__refcount_add_not_zero.constprop.0) from [<c135e1bc>] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x50/0x88)
 3768 12:20:17.298964  [  117.879572]  r5:c4761000 r4:c5c1a000
 3769 12:20:17.341291  [  117.883162] [<c135e16c>] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW) from [<c0c33040>] (lkdtm_do_action+0x2c/0x4c)
 3770 12:20:17.341841  [  117.893080]  r4:0000002e
 3771 12:20:17.342204  [  117.895623] [<c0c33014>] (lkdtm_do_action) from [<c0c33540>] (direct_entry+0x120/0x18c)
 3772 12:20:17.342546  [  117.903640] [<c0c33420>] (direct_entry) from [<c07e0650>] (full_proxy_write+0x64/0x94)
 3773 12:20:17.342870  [  117.911565]  r9:c5c1bf60 r8:c5357900 r7:0000001f r6:b6dc6000 r5:c5a91b80 r4:c0c33420
 3774 12:20:17.343189  [  117.919321] [<c07e05ec>] (full_proxy_write) from [<c0598d04>] (vfs_write+0x10c/0x524)
 3775 12:20:17.385399  [  117.927159]  r9:c07e05ec r8:c5c1bf60 r7:c2816000 r6:b6dc6000 r5:c5a91b80 r4:00000000
 3776 12:20:17.385947  [  117.934911] [<c0598bf8>] (vfs_write) from [<c0599298>] (ksys_write+0x74/0xec)
 3777 12:20:17.386317  [  117.942054]  r10:00000004 r9:00000000 r8:00000000 r7:b6dc6000 r6:c5c1a000 r5:c5a91b80
 3778 12:20:17.386652  [  117.949887]  r4:c5a91b80
 3779 12:20:17.386966  [  117.952431] [<c0599224>] (ksys_write) from [<c0599328>] (sys_write+0x18/0x1c)
 3780 12:20:17.387278  [  117.959575]  r9:c5c1a000 r8:c03002e4 r7:00000004 r6:b6f0de00 r5:0000001f r4:0000001f
 3781 12:20:17.428830  [  117.967328] [<c0599310>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 3782 12:20:17.429008  [  117.974903] Exception stack(0xc5c1bfa8 to 0xc5c1bff0)
 3783 12:20:17.429081  [  117.979963] bfa0:                   0000001f 0000001f 00000001 b6dc6000 0000001f 00000000
 3784 12:20:17.429165  [  117.988149] bfc0: 0000001f 0000001f b6f0de00 00000004 00000001 00000000 00020000 beee8a64
 3785 12:20:17.429258  [  117.996332] bfe0: 00000004 beee8798 b6e784cf b6dfe7e6
 3786 12:20:17.429348  [  118.001448] irq event stamp: 0
 3787 12:20:17.429421  [  118.004521] hardirqs last  enabled at (0): [<00000000>] 0x0
 3788 12:20:17.473332  [  118.010136] hardirqs last disabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974
 3789 12:20:17.473879  [  118.017691] softirqs last  enabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974
 3790 12:20:17.474241  [  118.025229] softirqs last disabled at (0): [<00000000>] 0x0
 3791 12:20:17.474577  [  118.030873] ---[ end trace 602be0240ace6258 ]---
 3792 12:20:17.474900  [  118.035506] lkdtm: Overflow detected: saturated
 3793 12:20:17.577986  # [  117.711938] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW
 3794 12:20:17.578593  # [  117.719615] lkdtm: attempting bad refcount_add_not_zero() overflow
 3795 12:20:17.578962  # [  117.728305] ------------[ cut here ]------------
 3796 12:20:17.579301  # [  117.732954] WARNING: CPU: 3 PID: 2799 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174
 3797 12:20:17.579631  # [  117.741543] refcount_t: saturated; leaking memory.
 3798 12:20:17.625237  # [  117.746393] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3
 3799 12:20:17.625802  # [  117.775536] CPU: 3 PID: 2799 Comm: cat Tainted: G      D W         5.10.162-cip23 #1
 3800 12:20:17.626168  # [  117.783286] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 3801 12:20:17.626510  # [  117.789819] Backtrace: 
 3802 12:20:17.626858  # [  117.792291] [<c134ff48>] (dump_backtrace) from [<c1350308>] (show_stack+0x20/0x24)
 3803 12:20:17.673168  # [  117.799868]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6f8
 3804 12:20:17.673718  # [  117.805539] [<c13502e8>] (show_stack) from [<c13574fc>] (dump_stack+0xe0/0x100)
 3805 12:20:17.674088  # [  117.812861] [<c135741c>] (dump_stack) from [<c03567a4>] (__warn+0xfc/0x16c)
 3806 12:20:17.674419  # [  117.819833]  r9:00000009 r8:c08722c0 r7:00000013 r6:00000009 r5:c08722c0 r4:c1a20ffc
 3807 12:20:17.674747  # [  117.827588] [<c03566a8>] (__warn) from [<c1351428>] (warn_slowpath_fmt+0x8c/0xa8)
 3808 12:20:17.675064  # [  117.835079]  r7:00000013 r6:c1a20ffc r5:c1a20fd4 r4:c5c1a000
 3809 12:20:17.717170  # [  117.840751] [<c13513a0>] (warn_slowpath_fmt) from [<c08722c0>] (refcount_warn_saturate+0xa0/0x174)
 3810 12:20:17.717714  # [  117.849718]  r9:c1accfc8 r8:c15e8704 r7:c5c1bf60 r6:0000001f r5:c4761000 r4:7fffffff
 3811 12:20:17.718078  # [  117.857474] [<c0872220>] (refcount_warn_saturate) from [<c135df8c>] (__refcount_add_not_zero.constprop.0+0x64/0x78)
 3812 12:20:17.718416  # [  117.867918] [<c135df28>] (__refcount_add_not_zero.constprop.0) from [<c135e1bc>] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x50/0x88)
 3813 12:20:17.718747  # [  117.879572]  r5:c4761000 r4:c5c1a000
 3814 12:20:17.761201  # [  117.883162] [<c135e16c>] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW) from [<c0c33040>] (lkdtm_do_action+0x2c/0x4c)
 3815 12:20:17.761795  # [  117.893080]  r4:0000002e
 3816 12:20:17.762230  # [  117.895623] [<c0c33014>] (lkdtm_do_action) from [<c0c33540>] (direct_entry+0x120/0x18c)
 3817 12:20:17.762579  # [  117.903640] [<c0c33420>] (direct_entry) from [<c07e0650>] (full_proxy_write+0x64/0x94)
 3818 12:20:17.762909  # [  117.911565]  r9:c5c1bf60 r8:c5357900 r7:0000001f r6:b6dc6000 r5:c5a91b80 r4:c0c33420
 3819 12:20:17.763229  # [  117.919321] [<c07e05ec>] (full_proxy_write) from [<c0598d04>] (vfs_write+0x10c/0x524)
 3820 12:20:17.805372  # [  117.927159]  r9:c07e05ec r8:c5c1bf60 r7:c2816000 r6:b6dc6000 r5:c5a91b80 r4:00000000
 3821 12:20:17.805914  # [  117.934911] [<c0598bf8>] (vfs_write) from [<c0599298>] (ksys_write+0x74/0xec)
 3822 12:20:17.806281  # [  117.942054]  r10:00000004 r9:00000000 r8:00000000 r7:b6dc6000 r6:c5c1a000 r5:c5a91b80
 3823 12:20:17.806616  # [  117.949887]  r4:c5a91b80
 3824 12:20:17.806934  # [  117.952431] [<c0599224>] (ksys_write) from [<c0599328>] (sys_write+0x18/0x1c)
 3825 12:20:17.807248  # [  117.959575]  r9:c5c1a000 r8:c03002e4 r7:00000004 r6:b6f0de00 r5:0000001f r4:0000001f
 3826 12:20:17.849181  # [  117.967328] [<c0599310>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 3827 12:20:17.849811  # [  117.974903] Exception stack(0xc5c1bfa8 to 0xc5c1bff0)
 3828 12:20:17.850274  # [  117.979963] bfa0:                   0000001f 0000001f 00000001 b6dc6000 0000001f 00000000
 3829 12:20:17.850693  # [  117.988149] bfc0: 0000001f 0000001f b6f0de00 00000004 00000001 00000000 00020000 beee8a64
 3830 12:20:17.851113  # [  117.996332] bfe0: 00000004 beee8798 b6e784cf b6dfe7e6
 3831 12:20:17.851570  # [  118.001448] irq event stamp: 0
 3832 12:20:17.851906  # [  118.004521] hardirqs last  enabled at (0): [<00000000>] 0x0
 3833 12:20:17.893348  # [  118.010136] hardirqs last disabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974
 3834 12:20:17.893899  # [  118.017691] softirqs last  enabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974
 3835 12:20:17.894264  # [  118.025229] softirqs last disabled at (0): [<00000000>] 0x0
 3836 12:20:17.894600  # [  118.030873] ---[ end trace 602be0240ace6258 ]---
 3837 12:20:17.894928  # [  118.035506] lkdtm: Overfl[  118.464041] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO
 3838 12:20:17.895245  ow detected: saturated
 3839 12:20:17.895551  # REFCOUN[  118.470822] lkdtm: attempting good refcount_dec()
 3840 12:20:17.937356  T_ADD_NOT_ZERO_OVERFLOW: missing [  118.478227] lkdtm: attempting bad refcount_dec() to zero
 3841 12:20:17.937904  'call trace:': [FAIL]
 3842 12:20:17.938271  not ok 45 [  118.486394] ------------[ cut here ]------------
 3843 12:20:17.938610  selftests: lkdtm: REFCOUNT_ADD_NO[  118.493854] WARNING: CPU: 2 PID: 2833 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174
 3844 12:20:17.938937  T_ZERO_OVERFLOW.sh # exit=1
 3845 12:20:17.939249  # se[  118.505173] refcount_t: decrement hit 0; leaking memory.
 3846 12:20:17.981227  lftests: lkdtm: REFCOUNT_DEC_ZERO[  118.513351] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3
 3847 12:20:17.981786  .sh
 3848 12:20:17.982143  [  118.545068] CPU: 2 PID: 2833 Comm: cat Tainted: G      D W         5.10.162-cip23 #1
 3849 12:20:17.982484  [  118.553195] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 3850 12:20:17.982810  [  118.559730] Backtrace: 
 3851 12:20:18.025192  [  118.562209] [<c134ff48>] (dump_backtrace) from [<c1350308>] (show_stack+0x20/0x24)
 3852 12:20:18.025735  [  118.569793]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6f8
 3853 12:20:18.026098  [  118.575468] [<c13502e8>] (show_stack) from [<c13574fc>] (dump_stack+0xe0/0x100)
 3854 12:20:18.026438  [  118.582795] [<c135741c>] (dump_stack) from [<c03567a4>] (__warn+0xfc/0x16c)
 3855 12:20:18.026764  [  118.589771]  r9:00000009 r8:c087228c r7:0000001f r6:00000009 r5:c087228c r4:c1a20ffc
 3856 12:20:18.027078  [  118.597533] [<c03566a8>] (__warn) from [<c1351428>] (warn_slowpath_fmt+0x8c/0xa8)
 3857 12:20:18.069313  [  118.605027]  r7:0000001f r6:c1a20ffc r5:c1a21060 r4:c6f2a000
 3858 12:20:18.069856  [  118.610701] [<c13513a0>] (warn_slowpath_fmt) from [<c087228c>] (refcount_warn_saturate+0x6c/0x174)
 3859 12:20:18.070224  [  118.619674]  r9:c1accfe8 r8:c15e8704 r7:c6f2bf60 r6:00000012 r5:c5d69000 r4:c6f2a000
 3860 12:20:18.070563  [  118.627433] [<c0872220>] (refcount_warn_saturate) from [<c135df24>] (__refcount_dec.constprop.0+0x38/0x3c)
 3861 12:20:18.070890  [  118.637102] [<c135deec>] (__refcount_dec.constprop.0) from [<c135e250>] (lkdtm_REFCOUNT_DEC_ZERO+0x5c/0xd8)
 3862 12:20:18.113332  [  118.646857] [<c135e1f4>] (lkdtm_REFCOUNT_DEC_ZERO) from [<c0c33040>] (lkdtm_do_action+0x2c/0x4c)
 3863 12:20:18.113882  [  118.655649]  r4:0000002f
 3864 12:20:18.114245  [  118.658197] [<c0c33014>] (lkdtm_do_action) from [<c0c33540>] (direct_entry+0x120/0x18c)
 3865 12:20:18.114580  [  118.666220] [<c0c33420>] (direct_entry) from [<c07e0650>] (full_proxy_write+0x64/0x94)
 3866 12:20:18.114900  [  118.674147]  r9:c6f2bf60 r8:c5357900 r7:00000012 r6:b6e4b000 r5:c5a912c0 r4:c0c33420
 3867 12:20:18.115214  [  118.681911] [<c07e05ec>] (full_proxy_write) from [<c0598d04>] (vfs_write+0x10c/0x524)
 3868 12:20:18.157409  [  118.689752]  r9:c07e05ec r8:c6f2bf60 r7:c2816000 r6:b6e4b000 r5:c5a912c0 r4:00000000
 3869 12:20:18.157960  [  118.697508] [<c0598bf8>] (vfs_write) from [<c0599298>] (ksys_write+0x74/0xec)
 3870 12:20:18.158327  [  118.704654]  r10:00000004 r9:00000000 r8:00000000 r7:b6e4b000 r6:c6f2a000 r5:c5a912c0
 3871 12:20:18.158663  [  118.712489]  r4:c5a912c0
 3872 12:20:18.158982  [  118.715037] [<c0599224>] (ksys_write) from [<c0599328>] (sys_write+0x18/0x1c)
 3873 12:20:18.159297  [  118.722183]  r9:c6f2a000 r8:c03002e4 r7:00000004 r6:b6f92e00 r5:00000012 r4:00000012
 3874 12:20:18.159606  [  118.729940] [<c0599310>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 3875 12:20:18.200769  [  118.737518] Exception stack(0xc6f2bfa8 to 0xc6f2bff0)
 3876 12:20:18.200869  [  118.742582] bfa0:                   00000012 00000012 00000001 b6e4b000 00000012 00000000
 3877 12:20:18.200969  [  118.750771] bfc0: 00000012 00000012 b6f92e00 00000004 00000001 00000000 00020000 bef08a64
 3878 12:20:18.201074  [  118.758956] bfe0: 00000004 bef08798 b6efd4cf b6e837e6
 3879 12:20:18.201141  [  118.764086] irq event stamp: 0
 3880 12:20:18.201232  [  118.767190] hardirqs last  enabled at (0): [<00000000>] 0x0
 3881 12:20:18.201320  [  118.772785] hardirqs last disabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974
 3882 12:20:18.245176  [  118.780316] softirqs last  enabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974
 3883 12:20:18.245416  [  118.787868] softirqs last disabled at (0): [<00000000>] 0x0
 3884 12:20:18.245561  [  118.793502] ---[ end trace 602be0240ace6259 ]---
 3885 12:20:18.245691  [  118.798176] lkdtm: Zero detected: saturated
 3886 12:20:18.338677  # [  118.464041] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO
 3887 12:20:18.339220  # [  118.470822] lkdtm: attempting good refcount_dec()
 3888 12:20:18.339582  # [  118.478227] lkdtm: attempting bad refcount_dec() to zero
 3889 12:20:18.339916  # [  118.486394] ------------[ cut here ]------------
 3890 12:20:18.340236  # [  118.493854] WARNING: CPU: 2 PID: 2833 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174
 3891 12:20:18.340553  # [  118.505173] refcount_t: decrement hit 0; leaking memory.
 3892 12:20:18.381550  # [  118.513351] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3
 3893 12:20:18.382168  # [  118.545068] CPU: 2 PID: 2833 Comm: cat Tainted: G      D W         5.10.162-cip23 #1
 3894 12:20:18.382574  # [  118.553195] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 3895 12:20:18.382932  # [  118.559730] Backtrace: 
 3896 12:20:18.429034  # [  118.562209] [<c134ff48>] (dump_backtrace) from [<c1350308>] (show_stack+0x20/0x24)
 3897 12:20:18.429604  # [  118.569793]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6f8
 3898 12:20:18.429975  # [  118.575468] [<c13502e8>] (show_stack) from [<c13574fc>] (dump_stack+0xe0/0x100)
 3899 12:20:18.430353  # [  118.582795] [<c135741c>] (dump_stack) from [<c03567a4>] (__warn+0xfc/0x16c)
 3900 12:20:18.430686  # [  118.589771]  r9:00000009 r8:c087228c r7:0000001f r6:00000009 r5:c087228c r4:c1a20ffc
 3901 12:20:18.431011  # [  118.597533] [<c03566a8>] (__warn) from [<c1351428>] (warn_slowpath_fmt+0x8c/0xa8)
 3902 12:20:18.473073  # [  118.605027]  r7:0000001f r6:c1a20ffc r5:c1a21060 r4:c6f2a000
 3903 12:20:18.473635  # [  118.610701] [<c13513a0>] (warn_slowpath_fmt) from [<c087228c>] (refcount_warn_saturate+0x6c/0x174)
 3904 12:20:18.474003  # [  118.619674]  r9:c1accfe8 r8:c15e8704 r7:c6f2bf60 r6:00000012 r5:c5d69000 r4:c6f2a000
 3905 12:20:18.474342  # [  118.627433] [<c0872220>] (refcount_warn_saturate) from [<c135df24>] (__refcount_dec.constprop.0+0x38/0x3c)
 3906 12:20:18.474725  # [  118.637102] [<c135deec>] (__refcount_dec.constprop.0) from [<c135e250>] (lkdtm_REFCOUNT_DEC_ZERO+0x5c/0xd8)
 3907 12:20:18.517331  # [  118.646857] [<c135e1f4>] (lkdtm_REFCOUNT_DEC_ZERO) from [<c0c33040>] (lkdtm_do_action+0x2c/0x4c)
 3908 12:20:18.517942  # [  118.655649]  r4:0000002f
 3909 12:20:18.518311  # [  118.658197] [<c0c33014>] (lkdtm_do_action) from [<c0c33540>] (direct_entry+0x120/0x18c)
 3910 12:20:18.518650  # [  118.666220] [<c0c33420>] (direct_entry) from [<c07e0650>] (full_proxy_write+0x64/0x94)
 3911 12:20:18.518973  # [  118.674147]  r9:c6f2bf60 r8:c5357900 r7:00000012 r6:b6e4b000 r5:c5a912c0 r4:c0c33420
 3912 12:20:18.519286  # [  118.681911] [<c07e05ec>] (full_proxy_write) from [<c0598d04>] (vfs_write+0x10c/0x524)
 3913 12:20:18.561194  # [  118.689752]  r9:c07e05ec r8:c6f2bf60 r7:c2816000 r6:b6e4b000 r5:c5a912c0 r4:00000000
 3914 12:20:18.561763  # [  118.697508] [<c0598bf8>] (vfs_write) from [<c0599298>] (ksys_write+0x74/0xec)
 3915 12:20:18.562132  # [  118.704654]  r10:00000004 r9:00000000 r8:00000000 r7:b6e4b000 r6:c6f2a000 r5:c5a912c0
 3916 12:20:18.562470  # [  118.712489]  r4:c5a912c0
 3917 12:20:18.562792  # [  118.715037] [<c0599224>] (ksys_write) from [<c0599328>] (sys_write+0x18/0x1c)
 3918 12:20:18.563107  # [  118.722183]  r9:c6f2a000 r8:c03002e4 r7:00000004 r6:b6f92e00 r5:00000012 r4:00000012
 3919 12:20:18.605180  # [  118.729940] [<c0599310>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 3920 12:20:18.605729  # [  118.737518] Exception stack(0xc6f2bfa8 to 0xc6f2bff0)
 3921 12:20:18.606099  # [  118.742582] bfa0:                   00000012 00000012 00000001 b6e4b000 00000012 00000000
 3922 12:20:18.606437  # [  118.750771] bfc0: 00000012 00000012 b6f92e00 00000004 00000001 00000000 00020000 bef08a64
 3923 12:20:18.606761  # [  118.758956] bfe0: 00000004 bef08798 b6efd4cf b6e837e6
 3924 12:20:18.607074  # [  118.764086] irq event stamp: 0
 3925 12:20:18.607378  # [  118.767190] hardirqs last  enabled at (0): [<00000000>] 0x0
 3926 12:20:18.649141  # [  118.772785] hardirqs last disabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974
 3927 12:20:18.649648  # [  118.780316] softirqs last  enabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974
 3928 12:20:18.649978  # [  118.787868] softirqs last disabled at (0): [<00000000>] 0x0
 3929 12:20:18.650320  # [  118.793502] ---[ end trace 602be0240ace6259 ]---
 3930 12:20:18.650640  # [  118.798176] lkdtm: Zero detected: saturated
 3931 12:20:18.650951  # REFCOUNT_DEC_ZERO: missing 'call trace:': [FAIL]
 3932 12:20:18.651257  not ok 46 selftests: lkdtm: REFCOUNT_DEC_ZERO.sh # exit=1
 3933 12:20:18.651563  # selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh
 3934 12:20:18.693148  [  119.245524] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE
 3935 12:20:18.693655  [  119.251741] lkdtm: attempting bad refcount_dec() below zero
 3936 12:20:18.693987  [  119.257397] ------------[ cut here ]------------
 3937 12:20:18.694297  [  119.262076] WARNING: CPU: 1 PID: 2870 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174
 3938 12:20:18.694596  [  119.270687] refcount_t: decrement hit 0; leaking memory.
 3939 12:20:18.737233  [  119.276054] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3
 3940 12:20:18.737794  [  119.305211] CPU: 1 PID: 2870 Comm: cat Tainted: G      D W         5.10.162-cip23 #1
 3941 12:20:18.738163  [  119.312961] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 3942 12:20:18.738503  [  119.319495] Backtrace: 
 3943 12:20:18.738823  [  119.321968] [<c134ff48>] (dump_backtrace) from [<c1350308>] (show_stack+0x20/0x24)
 3944 12:20:18.739137  [  119.329548]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6f8
 3945 12:20:18.781298  [  119.335221] [<c13502e8>] (show_stack) from [<c13574fc>] (dump_stack+0xe0/0x100)
 3946 12:20:18.781848  [  119.342545] [<c135741c>] (dump_stack) from [<c03567a4>] (__warn+0xfc/0x16c)
 3947 12:20:18.782216  [  119.349518]  r9:00000009 r8:c087228c r7:0000001f r6:00000009 r5:c087228c r4:c1a20ffc
 3948 12:20:18.782550  [  119.357274] [<c03566a8>] (__warn) from [<c1351428>] (warn_slowpath_fmt+0x8c/0xa8)
 3949 12:20:18.782878  [  119.364764]  r7:0000001f r6:c1a20ffc r5:c1a21060 r4:c6fb8000
 3950 12:20:18.783188  [  119.370437] [<c13513a0>] (warn_slowpath_fmt) from [<c087228c>] (refcount_warn_saturate+0x6c/0x174)
 3951 12:20:18.825270  [  119.379403]  r9:c1accffc r8:c15e8704 r7:c6fb9f60 r6:00000016 r5:00000000 r4:c6fb8000
 3952 12:20:18.825816  [  119.387158] [<c0872220>] (refcount_warn_saturate) from [<c135df24>] (__refcount_dec.constprop.0+0x38/0x3c)
 3953 12:20:18.826185  [  119.396824] [<c135deec>] (__refcount_dec.constprop.0) from [<c135e314>] (lkdtm_REFCOUNT_DEC_NEGATIVE+0x48/0x70)
 3954 12:20:18.826524  [  119.406922] [<c135e2cc>] (lkdtm_REFCOUNT_DEC_NEGATIVE) from [<c0c33040>] (lkdtm_do_action+0x2c/0x4c)
 3955 12:20:18.826851  [  119.416061]  r5:c69a5000 r4:00000030
 3956 12:20:18.869276  [  119.419647] [<c0c33014>] (lkdtm_do_action) from [<c0c33540>] (direct_entry+0x120/0x18c)
 3957 12:20:18.869822  [  119.427665] [<c0c33420>] (direct_entry) from [<c07e0650>] (full_proxy_write+0x64/0x94)
 3958 12:20:18.870189  [  119.435590]  r9:c6fb9f60 r8:c5357900 r7:00000016 r6:b6e8a000 r5:c448c8c0 r4:c0c33420
 3959 12:20:18.870528  [  119.443348] [<c07e05ec>] (full_proxy_write) from [<c0598d04>] (vfs_write+0x10c/0x524)
 3960 12:20:18.870854  [  119.451186]  r9:c07e05ec r8:c6fb9f60 r7:c2816000 r6:b6e8a000 r5:c448c8c0 r4:00000000
 3961 12:20:18.871174  [  119.458939] [<c0598bf8>] (vfs_write) from [<c0599298>] (ksys_write+0x74/0xec)
 3962 12:20:18.913405  [  119.466082]  r10:00000004 r9:00000000 r8:00000000 r7:b6e8a000 r6:c6fb8000 r5:c448c8c0
 3963 12:20:18.913954  [  119.473916]  r4:c448c8c0
 3964 12:20:18.914318  [  119.476462] [<c0599224>] (ksys_write) from [<c0599328>] (sys_write+0x18/0x1c)
 3965 12:20:18.914654  [  119.483606]  r9:c6fb8000 r8:c03002e4 r7:00000004 r6:b6fd1e00 r5:00000016 r4:00000016
 3966 12:20:18.914976  [  119.491361] [<c0599310>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 3967 12:20:18.915293  [  119.498936] Exception stack(0xc6fb9fa8 to 0xc6fb9ff0)
 3968 12:20:18.956953  [  119.503998] 9fa0:                   00000016 00000016 00000001 b6e8a000 00000016 00000000
 3969 12:20:18.957129  [  119.512184] 9fc0: 00000016 00000016 b6fd1e00 00000004 00000001 00000000 00020000 bef23a64
 3970 12:20:18.957198  [  119.520367] 9fe0: 00000004 bef23798 b6f3c4cf b6ec27e6
 3971 12:20:18.957289  [  119.525504] irq event stamp: 0
 3972 12:20:18.957379  [  119.528602] hardirqs last  enabled at (0): [<00000000>] 0x0
 3973 12:20:18.957452  [  119.534192] hardirqs last disabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974
 3974 12:20:18.957538  [  119.541762] softirqs last  enabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974
 3975 12:20:19.000987  [  119.549309] softirqs last disabled at (0): [<00000000>] 0x0
 3976 12:20:19.001222  [  119.554896] ---[ end trace 602be0240ace625a ]---
 3977 12:20:19.001352  [  119.559571] lkdtm: Negative detected: saturated
 3978 12:20:19.095816  # [  119.245524] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE
 3979 12:20:19.096363  # [  119.251741] lkdtm: attempting bad refcount_dec() below zero
 3980 12:20:19.096765  # [  119.257397] ------------[ cut here ]------------
 3981 12:20:19.097111  # [  119.262076] WARNING: CPU: 1 PID: 2870 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174
 3982 12:20:19.097442  # [  119.270687] refcount_t: decrement hit 0; leaking memory.
 3983 12:20:19.138656  # [  119.276054] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3
 3984 12:20:19.139214  # [  119.305211] CPU: 1 PID: 2870 Comm: cat Tainted: G      D W         5.10.162-cip23 #1
 3985 12:20:19.139581  # [  119.312961] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 3986 12:20:19.139922  # [  119.319495] Backtrace: 
 3987 12:20:19.140247  # [  119.321968] [<c134ff48>] (dump_backtrace) from [<c1350308>] (show_stack+0x20/0x24)
 3988 12:20:19.181717  # [  119.329548]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6f8
 3989 12:20:19.182273  # [  119.335221] [<c13502e8>] (show_stack) from [<c13574fc>] (dump_stack+0xe0/0x100)
 3990 12:20:19.182636  # [  119.342545] [<c135741c>] (dump_stack) from [<c03567a4>] (__warn+0xfc/0x16c)
 3991 12:20:19.182973  # [  119.349518]  r9:00000009 r8:c087228c r7:0000001f r6:00000009 r5:c087228c r4:c1a20ffc
 3992 12:20:19.183298  # [  119.357274] [<c03566a8>] (__warn) from [<c1351428>] (warn_slowpath_fmt+0x8c/0xa8)
 3993 12:20:19.183616  # [  119.364764]  r7:0000001f r6:c1a20ffc r5:c1a21060 r4:c6fb8000
 3994 12:20:19.229200  # [  119.370437] [<c13513a0>] (warn_slowpath_fmt) from [<c087228c>] (refcount_warn_saturate+0x6c/0x174)
 3995 12:20:19.229746  # [  119.379403]  r9:c1accffc r8:c15e8704 r7:c6fb9f60 r6:00000016 r5:00000000 r4:c6fb8000
 3996 12:20:19.230118  # [  119.387158] [<c0872220>] (refcount_warn_saturate) from [<c135df24>] (__refcount_dec.constprop.0+0x38/0x3c)
 3997 12:20:19.230453  # [  119.396824] [<c135deec>] (__refcount_dec.constprop.0) from [<c135e314>] (lkdtm_REFCOUNT_DEC_NEGATIVE+0x48/0x70)
 3998 12:20:19.230775  # [  119.406922] [<c135e2cc>] (lkdtm_REFCOUNT_DEC_NEGATIVE) from [<c0c33040>] (lkdtm_do_action+0x2c/0x4c)
 3999 12:20:19.277147  # [  119.416061]  r5:c69a5000 r4:00000030
 4000 12:20:19.277697  # [  119.419647] [<c0c33014>] (lkdtm_do_action) from [<c0c33540>] (direct_entry+0x120/0x18c)
 4001 12:20:19.278070  # [  119.427665] [<c0c33420>] (direct_entry) from [<c07e0650>] (full_proxy_write+0x64/0x94)
 4002 12:20:19.278408  # [  119.435590]  r9:c6fb9f60 r8:c5357900 r7:00000016 r6:b6e8a000 r5:c448c8c0 r4:c0c33420
 4003 12:20:19.278733  # [  119.443348] [<c07e05ec>] (full_proxy_write) from [<c0598d04>] (vfs_write+0x10c/0x524)
 4004 12:20:19.279048  # [  119.451186]  r9:c07e05ec r8:c6fb9f60 r7:c2816000 r6:b6e8a000 r5:c448c8c0 r4:00000000
 4005 12:20:19.321355  # [  119.458939] [<c0598bf8>] (vfs_write) from [<c0599298>] (ksys_write+0x74/0xec)
 4006 12:20:19.321903  # [  119.466082]  r10:00000004 r9:00000000 r8:00000000 r7:b6e8a000 r6:c6fb8000 r5:c448c8c0
 4007 12:20:19.322269  # [  119.473916]  r4:c448c8c0
 4008 12:20:19.322604  # [  119.476462] [<c0599224>] (ksys_write) from [<c0599328>] (sys_write+0x18/0x1c)
 4009 12:20:19.322931  # [  119.483606]  r9:c6fb8000 r8:c03002e4 r7:00000004 r6:b6fd1e00 r5:00000016 r4:00000016
 4010 12:20:19.323244  # [  119.491361] [<c0599310>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 4011 12:20:19.365470  # [  119.498936] Exception stack(0xc6fb9fa8 to 0xc6fb9ff0)
 4012 12:20:19.366018  # [  119.503998] 9fa0:                   00000016 00000016 00000001 b6e8a000 00000016 00000000
 4013 12:20:19.366387  # [  119.512184] 9fc0: 00000016 00000016 b6fd1e00 00000004 00000001 00000000 00020000 bef23a64
 4014 12:20:19.366722  # [  119.520367] 9fe0: 00000004 bef23798 b6f3c4cf b6ec27e6
 4015 12:20:19.367046  # [  119.525504] irq event stamp: 0
 4016 12:20:19.367359  # [  119.528602] hardirqs last  enabled at (0): [<00000000>] 0x0
 4017 12:20:19.367666  # [  119.534192] hardirqs last disabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974
 4018 12:20:19.413131  # [  119.541762] softirqs last  enabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974
 4019 12:20:19.413695  # [  119.549309] softirqs last disabled at (0): [<00000000>] 0x0
 4020 12:20:19.414064  # [  119.554896] ---[ end trace 602be0240ace625a ]---
 4021 12:20:19.414400  # [  119.559571] lkdtm: Negative detected: saturated
 4022 12:20:19.414720  # REFCOUNT_DEC_NEGATIVE: saw 'Negative detected: saturated': ok
 4023 12:20:19.415029  ok 47 selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh
 4024 12:20:19.415335  # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh
 4025 12:20:19.415636  [  119.998699] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE
 4026 12:20:19.457124  [  120.005507] lkdtm: attempting bad refcount_dec_and_test() below zero
 4027 12:20:19.457330  [  120.012056] ------------[ cut here ]------------
 4028 12:20:19.457438  [  120.016803] WARNING: CPU: 3 PID: 2905 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174
 4029 12:20:19.457538  [  120.025344] refcount_t: underflow; use-after-free.
 4030 12:20:19.501185  [  120.030299] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3
 4031 12:20:19.501579  [  120.059756] CPU: 3 PID: 2905 Comm: cat Tainted: G      D W         5.10.162-cip23 #1
 4032 12:20:19.501830  [  120.067508] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 4033 12:20:19.502058  [  120.074041] Backtrace: 
 4034 12:20:19.502333  [  120.076515] [<c134ff48>] (dump_backtrace) from [<c1350308>] (show_stack+0x20/0x24)
 4035 12:20:19.502600  [  120.084094]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6f8
 4036 12:20:19.545434  [  120.089766] [<c13502e8>] (show_stack) from [<c13574fc>] (dump_stack+0xe0/0x100)
 4037 12:20:19.545981  [  120.097088] [<c135741c>] (dump_stack) from [<c03567a4>] (__warn+0xfc/0x16c)
 4038 12:20:19.546351  [  120.104059]  r9:00000009 r8:c087235c r7:0000001c r6:00000009 r5:c087235c r4:c1a20ffc
 4039 12:20:19.546691  [  120.111815] [<c03566a8>] (__warn) from [<c1351428>] (warn_slowpath_fmt+0x8c/0xa8)
 4040 12:20:19.547014  [  120.119304]  r7:0000001c r6:c1a20ffc r5:c1a21038 r4:c478e000
 4041 12:20:19.547330  [  120.124975] [<c13513a0>] (warn_slowpath_fmt) from [<c087235c>] (refcount_warn_saturate+0x13c/0x174)
 4042 12:20:19.589306  [  120.134028]  r9:c1acd014 r8:c15e8704 r7:c478ff60 r6:0000001f r5:00000000 r4:c478e000
 4043 12:20:19.589855  [  120.141786] [<c0872220>] (refcount_warn_saturate) from [<c0c3413c>] (__refcount_sub_and_test.constprop.0+0x64/0x6c)
 4044 12:20:19.590225  [  120.152232] [<c0c340d8>] (__refcount_sub_and_test.constprop.0) from [<c135e38c>] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x50/0x8c)
 4045 12:20:19.590563  [  120.163894] [<c135e33c>] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE) from [<c0c33040>] (lkdtm_do_action+0x2c/0x4c)
 4046 12:20:19.590886  [  120.173814]  r5:c6be3000 r4:00000031
 4047 12:20:19.632979  [  120.177399] [<c0c33014>] (lkdtm_do_action) from [<c0c33540>] (direct_entry+0x120/0x18c)
 4048 12:20:19.633171  [  120.185414] [<c0c33420>] (direct_entry) from [<c07e0650>] (full_proxy_write+0x64/0x94)
 4049 12:20:19.633266  [  120.193339]  r9:c478ff60 r8:c5357900 r7:0000001f r6:b6e27000 r5:c5a7edc0 r4:c0c33420
 4050 12:20:19.633354  [  120.201097] [<c07e05ec>] (full_proxy_write) from [<c0598d04>] (vfs_write+0x10c/0x524)
 4051 12:20:19.633438  [  120.208935]  r9:c07e05ec r8:c478ff60 r7:c2816000 r6:b6e27000 r5:c5a7edc0 r4:00000000
 4052 12:20:19.677376  [  120.216686] [<c0598bf8>] (vfs_write) from [<c0599298>] (ksys_write+0x74/0xec)
 4053 12:20:19.677926  [  120.223829]  r10:00000004 r9:00000000 r8:00000000 r7:b6e27000 r6:c478e000 r5:c5a7edc0
 4054 12:20:19.678288  [  120.231661]  r4:c5a7edc0
 4055 12:20:19.678618  [  120.234205] [<c0599224>] (ksys_write) from [<c0599328>] (sys_write+0x18/0x1c)
 4056 12:20:19.678940  [  120.241347]  r9:c478e000 r8:c03002e4 r7:00000004 r6:b6f6ee00 r5:0000001f r4:0000001f
 4057 12:20:19.679253  [  120.249101] [<c0599310>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 4058 12:20:19.679557  [  120.256677] Exception stack(0xc478ffa8 to 0xc478fff0)
 4059 12:20:19.721142  [  120.261737] ffa0:                   0000001f 0000001f 00000001 b6e27000 0000001f 00000000
 4060 12:20:19.721312  [  120.269926] ffc0: 0000001f 0000001f b6f6ee00 00000004 00000001 00000000 00020000 bed62a64
 4061 12:20:19.721407  [  120.278110] ffe0: 00000004 bed62798 b6ed94cf b6e5f7e6
 4062 12:20:19.721485  [  120.283220] irq event stamp: 0
 4063 12:20:19.721560  [  120.286293] hardirqs last  enabled at (0): [<00000000>] 0x0
 4064 12:20:19.721635  [  120.291908] hardirqs last disabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974
 4065 12:20:19.721707  [  120.299493] softirqs last  enabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974
 4066 12:20:19.769213  [  120.307029] softirqs last disabled at (0): [<00000000>] 0x0
 4067 12:20:19.769541  [  120.312617] ---[ end trace 602be0240ace625b ]---
 4068 12:20:19.769743  [  120.317280] lkdtm: Negative detected: saturated
 4069 12:20:19.852098  # [  119.998699] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE
 4070 12:20:19.852641  # [  120.005507] lkdtm: attempting bad refcount_dec_and_test() below zero
 4071 12:20:19.853037  # [  120.012056] ------------[ cut here ]------------
 4072 12:20:19.853374  # [  120.016803] WARNING: CPU: 3 PID: 2905 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174
 4073 12:20:19.853700  # [  120.025344] refcount_t: underflow; use-after-free.
 4074 12:20:19.894959  # [  120.030299] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3
 4075 12:20:19.895521  # [  120.059756] CPU: 3 PID: 2905 Comm: cat Tainted: G      D W         5.10.162-cip23 #1
 4076 12:20:19.895886  # [  120.067508] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 4077 12:20:19.896221  # [  120.074041] Backtrace: 
 4078 12:20:19.896538  # [  120.076515] [<c134ff48>] (dump_backtrace) from [<c1350308>] (show_stack+0x20/0x24)
 4079 12:20:19.937974  # [  120.084094]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6f8
 4080 12:20:19.938482  # [  120.089766] [<c13502e8>] (show_stack) from [<c13574fc>] (dump_stack+0xe0/0x100)
 4081 12:20:19.938818  # [  120.097088] [<c135741c>] (dump_stack) from [<c03567a4>] (__warn+0xfc/0x16c)
 4082 12:20:19.939124  # [  120.104059]  r9:00000009 r8:c087235c r7:0000001c r6:00000009 r5:c087235c r4:c1a20ffc
 4083 12:20:19.939420  # [  120.111815] [<c03566a8>] (__warn) from [<c1351428>] (warn_slowpath_fmt+0x8c/0xa8)
 4084 12:20:19.939712  # [  120.119304]  r7:0000001c r6:c1a20ffc r5:c1a21038 r4:c478e000
 4085 12:20:19.981302  # [  120.124975] [<c13513a0>] (warn_slowpath_fmt) from [<c087235c>] (refcount_warn_saturate+0x13c/0x174)
 4086 12:20:19.981842  # [  120.134028]  r9:c1acd014 r8:c15e8704 r7:c478ff60 r6:0000001f r5:00000000 r4:c478e000
 4087 12:20:19.982181  # [  120.141786] [<c0872220>] (refcount_warn_saturate) from [<c0c3413c>] (__refcount_sub_and_test.constprop.0+0x64/0x6c)
 4088 12:20:19.982495  # [  120.152232] [<c0c340d8>] (__refcount_sub_and_test.constprop.0) from [<c135e38c>] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x50/0x8c)
 4089 12:20:20.025150  # [  120.163894] [<c135e33c>] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE) from [<c0c33040>] (lkdtm_do_action+0x2c/0x4c)
 4090 12:20:20.025658  # [  120.173814]  r5:c6be3000 r4:00000031
 4091 12:20:20.025989  # [  120.177399] [<c0c33014>] (lkdtm_do_action) from [<c0c33540>] (direct_entry+0x120/0x18c)
 4092 12:20:20.026298  # [  120.185414] [<c0c33420>] (direct_entry) from [<c07e0650>] (full_proxy_write+0x64/0x94)
 4093 12:20:20.026598  # [  120.193339]  r9:c478ff60 r8:c5357900 r7:0000001f r6:b6e27000 r5:c5a7edc0 r4:c0c33420
 4094 12:20:20.026891  # [  120.201097] [<c07e05ec>] (full_proxy_write) from [<c0598d04>] (vfs_write+0x10c/0x524)
 4095 12:20:20.069154  # [  120.208935]  r9:c07e05ec r8:c478ff60 r7:c2816000 r6:b6e27000 r5:c5a7edc0 r4:00000000
 4096 12:20:20.069662  # [  120.216686] [<c0598bf8>] (vfs_write) from [<c0599298>] (ksys_write+0x74/0xec)
 4097 12:20:20.069995  # [  120.223829]  r10:00000004 r9:00000000 r8:00000000 r7:b6e27000 r6:c478e000 r5:c5a7edc0
 4098 12:20:20.070305  # [  120.231661]  r4:c5a7edc0
 4099 12:20:20.070604  # [  120.234205] [<c0599224>] (ksys_write) from [<c0599328>] (sys_write+0x18/0x1c)
 4100 12:20:20.070893  # [  120.241347]  r9:c478e000 r8:c03002e4 r7:00000004 r6:b6f6ee00 r5:0000001f r4:0000001f
 4101 12:20:20.113336  # [  120.249101] [<c0599310>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 4102 12:20:20.113878  # [  120.256677] Exception stack(0xc478ffa8 to 0xc478fff0)
 4103 12:20:20.114243  # [  120.261737] ffa0:                   0000001f 0000001f 00000001 b6e27000 0000001f 00000000
 4104 12:20:20.114581  # [  120.269926] ffc0: 0000001f 0000001f b6f6ee00 00000004 00000001 00000000 00020000 bed62a64
 4105 12:20:20.114904  # [  120.278110] ffe0: 00000004 bed62798 b6ed94cf b6e5f7e6
 4106 12:20:20.115218  # [  120.283220] irq event stamp: 0
 4107 12:20:20.115522  # [  120.286293] hardirqs last  enabled at (0): [<00000000>] 0x0
 4108 12:20:20.157351  # [  120.291908] hardirqs last disabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974
 4109 12:20:20.157899  # [  120.299493] softirqs last  enabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974
 4110 12:20:20.158256  # [  120.307029] softirqs last disabled at (0): [<00000000>] 0x0
 4111 12:20:20.158581  # [  120.312617] ---[ end trace 602be0240ace625b ]---
 4112 12:20:20.158893  # [  120.317280] lkdtm: Negative detected: saturated
 4113 12:20:20.159193  # REFCOUNT_DEC_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok
 4114 12:20:20.201131  ok 48 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NE[  120.747618] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE
 4115 12:20:20.201353  GATIVE.sh
 4116 12:20:20.201470  # selftests: lkdtm: RE[  120.755952] lkdtm: attempting bad refcount_sub_and_test() below zero
 4117 12:20:20.201577  FCOUNT_SUB_AND_TEST_NEGATIVE.sh
 4118 12:20:20.201677  [  120.765208] ------------[ cut here ]------------
 4119 12:20:20.201773  [  120.772749] WARNING: CPU: 0 PID: 2940 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174
 4120 12:20:20.201866  [  120.781369] refcount_t: underflow; use-after-free.
 4121 12:20:20.245397  [  120.786194] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3
 4122 12:20:20.245950  [  120.815356] CPU: 0 PID: 2940 Comm: cat Tainted: G      D W         5.10.162-cip23 #1
 4123 12:20:20.246308  [  120.823105] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 4124 12:20:20.246637  [  120.829638] Backtrace: 
 4125 12:20:20.246947  [  120.832110] [<c134ff48>] (dump_backtrace) from [<c1350308>] (show_stack+0x20/0x24)
 4126 12:20:20.289376  [  120.839688]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6f8
 4127 12:20:20.289912  [  120.845359] [<c13502e8>] (show_stack) from [<c13574fc>] (dump_stack+0xe0/0x100)
 4128 12:20:20.290264  [  120.852681] [<c135741c>] (dump_stack) from [<c03567a4>] (__warn+0xfc/0x16c)
 4129 12:20:20.290591  [  120.859653]  r9:00000009 r8:c087235c r7:0000001c r6:00000009 r5:c087235c r4:c1a20ffc
 4130 12:20:20.290902  [  120.867408] [<c03566a8>] (__warn) from [<c1351428>] (warn_slowpath_fmt+0x8c/0xa8)
 4131 12:20:20.291206  [  120.874897]  r7:0000001c r6:c1a20ffc r5:c1a21038 r4:c6bae000
 4132 12:20:20.333318  [  120.880567] [<c13513a0>] (warn_slowpath_fmt) from [<c087235c>] (refcount_warn_saturate+0x13c/0x174)
 4133 12:20:20.333863  [  120.889620]  r9:c1acd034 r8:c15e8704 r7:c6baff60 r6:0000001f r5:c5afa000 r4:c6bae000
 4134 12:20:20.334230  [  120.897377] [<c0872220>] (refcount_warn_saturate) from [<c0c3413c>] (__refcount_sub_and_test.constprop.0+0x64/0x6c)
 4135 12:20:20.334565  [  120.907824] [<c0c340d8>] (__refcount_sub_and_test.constprop.0) from [<c135e418>] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x50/0x8c)
 4136 12:20:20.377372  [  120.919484] [<c135e3c8>] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE) from [<c0c33040>] (lkdtm_do_action+0x2c/0x4c)
 4137 12:20:20.377919  [  120.929402]  r4:00000032
 4138 12:20:20.378278  [  120.931944] [<c0c33014>] (lkdtm_do_action) from [<c0c33540>] (direct_entry+0x120/0x18c)
 4139 12:20:20.378612  [  120.939962] [<c0c33420>] (direct_entry) from [<c07e0650>] (full_proxy_write+0x64/0x94)
 4140 12:20:20.378934  [  120.947887]  r9:c6baff60 r8:c5357900 r7:0000001f r6:b6ddc000 r5:c5b34280 r4:c0c33420
 4141 12:20:20.379252  [  120.955645] [<c07e05ec>] (full_proxy_write) from [<c0598d04>] (vfs_write+0x10c/0x524)
 4142 12:20:20.379560  [  120.963484]  r9:c07e05ec r8:c6baff60 r7:c2816000 r6:b6ddc000 r5:c5b34280 r4:00000000
 4143 12:20:20.421414  [  120.971236] [<c0598bf8>] (vfs_write) from [<c0599298>] (ksys_write+0x74/0xec)
 4144 12:20:20.421960  [  120.978379]  r10:00000004 r9:00000000 r8:00000000 r7:b6ddc000 r6:c6bae000 r5:c5b34280
 4145 12:20:20.422324  [  120.986214]  r4:c5b34280
 4146 12:20:20.422656  [  120.988757] [<c0599224>] (ksys_write) from [<c0599328>] (sys_write+0x18/0x1c)
 4147 12:20:20.422976  [  120.995901]  r9:c6bae000 r8:c03002e4 r7:00000004 r6:b6f23e00 r5:0000001f r4:0000001f
 4148 12:20:20.423286  [  121.003656] [<c0599310>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 4149 12:20:20.465453  [  121.011230] Exception stack(0xc6baffa8 to 0xc6bafff0)
 4150 12:20:20.466002  [  121.016291] ffa0:                   0000001f 0000001f 00000001 b6ddc000 0000001f 00000000
 4151 12:20:20.466371  [  121.024478] ffc0: 0000001f 0000001f b6f23e00 00000004 00000001 00000000 00020000 bec6ba64
 4152 12:20:20.466707  [  121.032661] ffe0: 00000004 bec6b798 b6e8e4cf b6e147e6
 4153 12:20:20.467026  [  121.037745] irq event stamp: 0
 4154 12:20:20.467337  [  121.040816] hardirqs last  enabled at (0): [<00000000>] 0x0
 4155 12:20:20.467644  [  121.046427] hardirqs last disabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974
 4156 12:20:20.509208  [  121.053924] softirqs last  enabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974
 4157 12:20:20.509750  [  121.061438] softirqs last disabled at (0): [<00000000>] 0x0
 4158 12:20:20.510108  [  121.067042] ---[ end trace 602be0240ace625c ]---
 4159 12:20:20.510444  [  121.071670] lkdtm: Negative detected: saturated
 4160 12:20:20.610745  # [  120.747618] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE
 4161 12:20:20.611381  # [  120.755952] lkdtm: attempting bad refcount_sub_and_test() below zero
 4162 12:20:20.611787  # [  120.765208] ------------[ cut here ]------------
 4163 12:20:20.612157  # [  120.772749] WARNING: CPU: 0 PID: 2940 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174
 4164 12:20:20.612489  # [  120.781369] refcount_t: underflow; use-after-free.
 4165 12:20:20.653878  # [  120.786194] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3
 4166 12:20:20.654468  # [  120.815356] CPU: 0 PID: 2940 Comm: cat Tainted: G      D W         5.10.162-cip23 #1
 4167 12:20:20.654834  # [  120.823105] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 4168 12:20:20.655170  # [  120.829638] Backtrace: 
 4169 12:20:20.655491  # [  120.832110] [<c134ff48>] (dump_backtrace) from [<c1350308>] (show_stack+0x20/0x24)
 4170 12:20:20.701163  # [  120.839688]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6f8
 4171 12:20:20.701737  # [  120.845359] [<c13502e8>] (show_stack) from [<c13574fc>] (dump_stack+0xe0/0x100)
 4172 12:20:20.702100  # [  120.852681] [<c135741c>] (dump_stack) from [<c03567a4>] (__warn+0xfc/0x16c)
 4173 12:20:20.702454  # [  120.859653]  r9:00000009 r8:c087235c r7:0000001c r6:00000009 r5:c087235c r4:c1a20ffc
 4174 12:20:20.702772  # [  120.867408] [<c03566a8>] (__warn) from [<c1351428>] (warn_slowpath_fmt+0x8c/0xa8)
 4175 12:20:20.703104  # [  120.874897]  r7:0000001c r6:c1a20ffc r5:c1a21038 r4:c6bae000
 4176 12:20:20.745157  # [  120.880567] [<c13513a0>] (warn_slowpath_fmt) from [<c087235c>] (refcount_warn_saturate+0x13c/0x174)
 4177 12:20:20.745707  # [  120.889620]  r9:c1acd034 r8:c15e8704 r7:c6baff60 r6:0000001f r5:c5afa000 r4:c6bae000
 4178 12:20:20.746071  # [  120.897377] [<c0872220>] (refcount_warn_saturate) from [<c0c3413c>] (__refcount_sub_and_test.constprop.0+0x64/0x6c)
 4179 12:20:20.746412  # [  120.907824] [<c0c340d8>] (__refcount_sub_and_test.constprop.0) from [<c135e418>] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x50/0x8c)
 4180 12:20:20.789340  # [  120.919484] [<c135e3c8>] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE) from [<c0c33040>] (lkdtm_do_action+0x2c/0x4c)
 4181 12:20:20.789887  # [  120.929402]  r4:00000032
 4182 12:20:20.790250  # [  120.931944] [<c0c33014>] (lkdtm_do_action) from [<c0c33540>] (direct_entry+0x120/0x18c)
 4183 12:20:20.790586  # [  120.939962] [<c0c33420>] (direct_entry) from [<c07e0650>] (full_proxy_write+0x64/0x94)
 4184 12:20:20.790935  # [  120.947887]  r9:c6baff60 r8:c5357900 r7:0000001f r6:b6ddc000 r5:c5b34280 r4:c0c33420
 4185 12:20:20.791271  # [  120.955645] [<c07e05ec>] (full_proxy_write) from [<c0598d04>] (vfs_write+0x10c/0x524)
 4186 12:20:20.833360  # [  120.963484]  r9:c07e05ec r8:c6baff60 r7:c2816000 r6:b6ddc000 r5:c5b34280 r4:00000000
 4187 12:20:20.833905  # [  120.971236] [<c0598bf8>] (vfs_write) from [<c0599298>] (ksys_write+0x74/0xec)
 4188 12:20:20.834272  # [  120.978379]  r10:00000004 r9:00000000 r8:00000000 r7:b6ddc000 r6:c6bae000 r5:c5b34280
 4189 12:20:20.834606  # [  120.986214]  r4:c5b34280
 4190 12:20:20.834922  # [  120.988757] [<c0599224>] (ksys_write) from [<c0599328>] (sys_write+0x18/0x1c)
 4191 12:20:20.835236  # [  120.995901]  r9:c6bae000 r8:c03002e4 r7:00000004 r6:b6f23e00 r5:0000001f r4:0000001f
 4192 12:20:20.876917  # [  121.003656] [<c0599310>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 4193 12:20:20.877109  # [  121.011230] Exception stack(0xc6baffa8 to 0xc6bafff0)
 4194 12:20:20.877212  # [  121.016291] ffa0:                   0000001f 0000001f 00000001 b6ddc000 0000001f 00000000
 4195 12:20:20.877303  # [  121.024478] ffc0: 0000001f 0000001f b6f23e00 00000004 00000001 00000000 00020000 bec6ba64
 4196 12:20:20.877392  # [  121.032661] ffe0: 00000004 bec6b798 b6e8e4cf b6e147e6
 4197 12:20:20.877476  # [  121.037745] irq event stamp: 0
 4198 12:20:20.877559  # [  121.040816] hardirqs last  enabled at (0): [<00000000>] 0x0
 4199 12:20:20.920817  # [  121.046427] hardirqs last disabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974
 4200 12:20:20.920905  # [  121.053924] softirqs last  enabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974
 4201 12:20:20.920974  # [  121.061438] softirqs last disabled at (0): [<00000000>] 0x0
 4202 12:20:20.921037  # [  121.067042] ---[ end trace 602be0240ace625c ]---
 4203 12:20:20.921098  # [  121.071670] lkdtm: Negative detected: saturated
 4204 12:20:20.921158  # REFCOUNT_SUB_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok
 4205 12:20:20.921217  ok 49 selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh
 4206 12:20:20.964805  # selftests: lkdtm: REFCOUNT_I[  121.508042] lkdtm: Performing direct entry REFCOUNT_INC_ZERO
 4207 12:20:20.964893  NC_ZERO.sh
 4208 12:20:20.964963  [  121.516413] lkdtm: attempting safe refcount_inc_not_zero() from zero
 4209 12:20:20.965027  [  121.523801] lkdtm: Good: zero detected
 4210 12:20:20.965088  [  121.527648] lkdtm: Correctly stayed at zero
 4211 12:20:20.965147  [  121.531866] lkdtm: attempting bad refcount_inc() from zero
 4212 12:20:20.965205  [  121.538976] ------------[ cut here ]------------
 4213 12:20:20.965262  [  121.545289] WARNING: CPU: 0 PID: 2972 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174
 4214 12:20:20.965320  [  121.553859] refcount_t: addition on 0; use-after-free.
 4215 12:20:21.008830  [  121.559037] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3
 4216 12:20:21.008920  [  121.588184] CPU: 0 PID: 2972 Comm: cat Tainted: G      D W         5.10.162-cip23 #1
 4217 12:20:21.008990  [  121.595933] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 4218 12:20:21.052839  [  121.602465] Backtrace: 
 4219 12:20:21.052925  [  121.604937] [<c134ff48>] (dump_backtrace) from [<c1350308>] (show_stack+0x20/0x24)
 4220 12:20:21.052994  [  121.612517]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6f8
 4221 12:20:21.053059  [  121.618187] [<c13502e8>] (show_stack) from [<c13574fc>] (dump_stack+0xe0/0x100)
 4222 12:20:21.053120  [  121.625510] [<c135741c>] (dump_stack) from [<c03567a4>] (__warn+0xfc/0x16c)
 4223 12:20:21.053180  [  121.632480]  r9:00000009 r8:c0872328 r7:00000019 r6:00000009 r5:c0872328 r4:c1a20ffc
 4224 12:20:21.096817  [  121.640236] [<c03566a8>] (__warn) from [<c1351428>] (warn_slowpath_fmt+0x8c/0xa8)
 4225 12:20:21.096902  [  121.647724]  r7:00000019 r6:c1a20ffc r5:c1a2100c r4:c68ea000
 4226 12:20:21.096969  [  121.653395] [<c13513a0>] (warn_slowpath_fmt) from [<c0872328>] (refcount_warn_saturate+0x108/0x174)
 4227 12:20:21.097031  [  121.662450]  r9:c1acd054 r8:c15e8704 r7:c68ebf60 r6:00000012 r5:00000000 r4:c68ea000
 4228 12:20:21.097092  [  121.670206] [<c0872220>] (refcount_warn_saturate) from [<c0c340d4>] (__refcount_add.constprop.0+0x54/0x58)
 4229 12:20:21.097153  [  121.679871] [<c0c34080>] (__refcount_add.constprop.0) from [<c135e4fc>] (lkdtm_REFCOUNT_INC_ZERO+0xa8/0xcc)
 4230 12:20:21.140826  [  121.689622] [<c135e454>] (lkdtm_REFCOUNT_INC_ZERO) from [<c0c33040>] (lkdtm_do_action+0x2c/0x4c)
 4231 12:20:21.140913  [  121.698414]  r5:c5e56000 r4:00000033
 4232 12:20:21.140981  [  121.702000] [<c0c33014>] (lkdtm_do_action) from [<c0c33540>] (direct_entry+0x120/0x18c)
 4233 12:20:21.141045  [  121.710017] [<c0c33420>] (direct_entry) from [<c07e0650>] (full_proxy_write+0x64/0x94)
 4234 12:20:21.141106  [  121.717942]  r9:c68ebf60 r8:c5357900 r7:00000012 r6:b6e24000 r5:c6a1a8c0 r4:c0c33420
 4235 12:20:21.141166  [  121.725701] [<c07e05ec>] (full_proxy_write) from [<c0598d04>] (vfs_write+0x10c/0x524)
 4236 12:20:21.184816  [  121.733539]  r9:c07e05ec r8:c68ebf60 r7:c2816000 r6:b6e24000 r5:c6a1a8c0 r4:00000000
 4237 12:20:21.184902  [  121.741291] [<c0598bf8>] (vfs_write) from [<c0599298>] (ksys_write+0x74/0xec)
 4238 12:20:21.184970  [  121.748434]  r10:00000004 r9:00000000 r8:00000000 r7:b6e24000 r6:c68ea000 r5:c6a1a8c0
 4239 12:20:21.185033  [  121.756268]  r4:c6a1a8c0
 4240 12:20:21.185093  [  121.758812] [<c0599224>] (ksys_write) from [<c0599328>] (sys_write+0x18/0x1c)
 4241 12:20:21.185151  [  121.765955]  r9:c68ea000 r8:c03002e4 r7:00000004 r6:b6f6be00 r5:00000012 r4:00000012
 4242 12:20:21.228810  [  121.773709] [<c0599310>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 4243 12:20:21.228896  [  121.781284] Exception stack(0xc68ebfa8 to 0xc68ebff0)
 4244 12:20:21.228964  [  121.786344] bfa0:                   00000012 00000012 00000001 b6e24000 00000012 00000000
 4245 12:20:21.229027  [  121.794528] bfc0: 00000012 00000012 b6f6be00 00000004 00000001 00000000 00020000 beed0a64
 4246 12:20:21.229087  [  121.802711] bfe0: 00000004 beed0798 b6ed64cf b6e5c7e6
 4247 12:20:21.229145  [  121.807796] irq event stamp: 0
 4248 12:20:21.229203  [  121.810869] hardirqs last  enabled at (0): [<00000000>] 0x0
 4249 12:20:21.272882  [  121.816478] hardirqs last disabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974
 4250 12:20:21.272982  [  121.823974] softirqs last  enabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974
 4251 12:20:21.273050  [  121.831489] softirqs last disabled at (0): [<00000000>] 0x0
 4252 12:20:21.273113  [  121.837091] ---[ end trace 602be0240ace625d ]---
 4253 12:20:21.273175  [  121.841719] lkdtm: Zero detected: saturated
 4254 12:20:21.383740  # [  121.508042] lkdtm: Performing direct entry REFCOUNT_INC_ZERO
 4255 12:20:21.383826  # [  121.516413] lkdtm: attempting safe refcount_inc_not_zero() from zero
 4256 12:20:21.383895  # [  121.523801] lkdtm: Good: zero detected
 4257 12:20:21.383959  # [  121.527648] lkdtm: Correctly stayed at zero
 4258 12:20:21.384020  # [  121.531866] lkdtm: attempting bad refcount_inc() from zero
 4259 12:20:21.384079  # [  121.538976] ------------[ cut here ]------------
 4260 12:20:21.384137  # [  121.545289] WARNING: CPU: 0 PID: 2972 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174
 4261 12:20:21.426780  # [  121.553859] refcount_t: addition on 0; use-after-free.
 4262 12:20:21.426865  # [  121.559037] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3
 4263 12:20:21.426937  # [  121.588184] CPU: 0 PID: 2972 Comm: cat Tainted: G      D W         5.10.162-cip23 #1
 4264 12:20:21.469847  # [  121.595933] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 4265 12:20:21.469933  # [  121.602465] Backtrace: 
 4266 12:20:21.470001  # [  121.604937] [<c134ff48>] (dump_backtrace) from [<c1350308>] (show_stack+0x20/0x24)
 4267 12:20:21.470065  # [  121.612517]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6f8
 4268 12:20:21.470126  # [  121.618187] [<c13502e8>] (show_stack) from [<c13574fc>] (dump_stack+0xe0/0x100)
 4269 12:20:21.470184  # [  121.625510] [<c135741c>] (dump_stack) from [<c03567a4>] (__warn+0xfc/0x16c)
 4270 12:20:21.470257  # [  121.632480]  r9:00000009 r8:c0872328 r7:00000019 r6:00000009 r5:c0872328 r4:c1a20ffc
 4271 12:20:21.512869  # [  121.640236] [<c03566a8>] (__warn) from [<c1351428>] (warn_slowpath_fmt+0x8c/0xa8)
 4272 12:20:21.512955  # [  121.647724]  r7:00000019 r6:c1a20ffc r5:c1a2100c r4:c68ea000
 4273 12:20:21.513023  # [  121.653395] [<c13513a0>] (warn_slowpath_fmt) from [<c0872328>] (refcount_warn_saturate+0x108/0x174)
 4274 12:20:21.513086  # [  121.662450]  r9:c1acd054 r8:c15e8704 r7:c68ebf60 r6:00000012 r5:00000000 r4:c68ea000
 4275 12:20:21.513147  # [  121.670206] [<c0872220>] (refcount_warn_saturate) from [<c0c340d4>] (__refcount_add.constprop.0+0x54/0x58)
 4276 12:20:21.556837  # [  121.679871] [<c0c34080>] (__refcount_add.constprop.0) from [<c135e4fc>] (lkdtm_REFCOUNT_INC_ZERO+0xa8/0xcc)
 4277 12:20:21.556923  # [  121.689622] [<c135e454>] (lkdtm_REFCOUNT_INC_ZERO) from [<c0c33040>] (lkdtm_do_action+0x2c/0x4c)
 4278 12:20:21.556991  # [  121.698414]  r5:c5e56000 r4:00000033
 4279 12:20:21.557055  # [  121.702000] [<c0c33014>] (lkdtm_do_action) from [<c0c33540>] (direct_entry+0x120/0x18c)
 4280 12:20:21.557116  # [  121.710017] [<c0c33420>] (direct_entry) from [<c07e0650>] (full_proxy_write+0x64/0x94)
 4281 12:20:21.557174  # [  121.717942]  r9:c68ebf60 r8:c5357900 r7:00000012 r6:b6e24000 r5:c6a1a8c0 r4:c0c33420
 4282 12:20:21.604793  # [  121.725701] [<c07e05ec>] (full_proxy_write) from [<c0598d04>] (vfs_write+0x10c/0x524)
 4283 12:20:21.604881  # [  121.733539]  r9:c07e05ec r8:c68ebf60 r7:c2816000 r6:b6e24000 r5:c6a1a8c0 r4:00000000
 4284 12:20:21.604950  # [  121.741291] [<c0598bf8>] (vfs_write) from [<c0599298>] (ksys_write+0x74/0xec)
 4285 12:20:21.605017  # [  121.748434]  r10:00000004 r9:00000000 r8:00000000 r7:b6e24000 r6:c68ea000 r5:c6a1a8c0
 4286 12:20:21.605086  # [  121.756268]  r4:c6a1a8c0
 4287 12:20:21.605147  # [  121.758812] [<c0599224>] (ksys_write) from [<c0599328>] (sys_write+0x18/0x1c)
 4288 12:20:21.644824  # [  121.765955]  r9:c68ea000 r8:c03002e4 r7:00000004 r6:b6f6be00 r5:00000012 r4:00000012
 4289 12:20:21.644911  # [  121.773709] [<c0599310>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 4290 12:20:21.644980  # [  121.781284] Exception stack(0xc68ebfa8 to 0xc68ebff0)
 4291 12:20:21.645044  # [  121.786344] bfa0:                   00000012 00000012 00000001 b6e24000 00000012 00000000
 4292 12:20:21.645107  # [  121.794528] bfc0: 00000012 00000012 b6f6be00 00000004 00000001 00000000 00020000 beed0a64
 4293 12:20:21.645167  # [  121.802711] bfe0: 00000004 beed0798 b6ed64cf b6e5c7e6
 4294 12:20:21.645226  # [  121.807796] irq event stamp: 0
 4295 12:20:21.688770  # [  121.810869] hardirqs last  enabled at (0): [<00000000>] 0x0
 4296 12:20:21.688872  # [  121.816478] hardirqs last disabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974
 4297 12:20:21.688942  # [  121.823974] softirqs last  enabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974
 4298 12:20:21.689037  # [  121.831489] sof[  122.266002] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO
 4299 12:20:21.689098  tirqs last disabled at (0): [<000[  122.272548] lkdtm: attempting safe refcount_add_not_zero() from zero
 4300 12:20:21.689187  00000>] 0x0
 4301 12:20:21.732798  # [  121.837091] ---[  122.281718] lkdtm: Good: zero detected
 4302 12:20:21.732883  [ end trace 602be0240ace625d ]---[  122.288350] lkdtm: Correctly stayed at zero
 4303 12:20:21.732952  
 4304 12:20:21.733014  # [  121[. 8 4112721.92]9 5l3k42] lkdtm: attempting bad refcount_add() from zero
 4305 12:20:21.733075  tm: Zero detected: saturated
 4306 12:20:21.733134  # R[  122.302703] ------------[ cut here ]------------
 4307 12:20:21.733192  EFCOUNT_INC_ZERO: missing 'call t[  122.310224] WARNING: CPU: 1 PID: 3006 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174
 4308 12:20:21.733251  race:': [FAIL]
 4309 12:20:21.733308  not ok 50 selftes[  122.321580] refcount_t: addition on 0; use-after-free.
 4310 12:20:21.776792  ts: lkdtm: REFCOUNT_INC_ZERO.sh #[  122.329583] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3
 4311 12:20:21.776883   exit=1
 4312 12:20:21.776952  # selftests: lkdtm: REFC[  122.361290] CPU: 1 PID: 3006 Comm: cat Tainted: G      D W         5.10.162-cip23 #1
 4313 12:20:21.820785  OUNT_ADD_ZE[R O .1s2h2
 4314 12:20:21.820872  .
 4315 12:20:21.820941  371848] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 4316 12:20:21.821007  [  122.379935] Backtrace: 
 4317 12:20:21.821068  [  122.382408] [<c134ff48>] (dump_backtrace) from [<c1350308>] (show_stack+0x20/0x24)
 4318 12:20:21.821129  [  122.389987]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6f8
 4319 12:20:21.821188  [  122.395658] [<c13502e8>] (show_stack) from [<c13574fc>] (dump_stack+0xe0/0x100)
 4320 12:20:21.821246  [  122.402982] [<c135741c>] (dump_stack) from [<c03567a4>] (__warn+0xfc/0x16c)
 4321 12:20:21.865127  [  122.409955]  r9:00000009 r8:c0872328 r7:00000019 r6:00000009 r5:c0872328 r4:c1a20ffc
 4322 12:20:21.865324  [  122.417710] [<c03566a8>] (__warn) from [<c1351428>] (warn_slowpath_fmt+0x8c/0xa8)
 4323 12:20:21.865426  [  122.425199]  r7:00000019 r6:c1a20ffc r5:c1a2100c r4:c6be6000
 4324 12:20:21.865520  [  122.430870] [<c13513a0>] (warn_slowpath_fmt) from [<c0872328>] (refcount_warn_saturate+0x108/0x174)
 4325 12:20:21.865610  [  122.439925]  r9:c1acd068 r8:c15e8704 r7:c6be7f60 r6:00000012 r5:00000000 r4:c6be6000
 4326 12:20:21.865699  [  122.447681] [<c0872220>] (refcount_warn_saturate) from [<c0c340d4>] (__refcount_add.constprop.0+0x54/0x58)
 4327 12:20:21.909314  [  122.457347] [<c0c34080>] (__refcount_add.constprop.0) from [<c135e5c8>] (lkdtm_REFCOUNT_ADD_ZERO+0xa8/0xcc)
 4328 12:20:21.909616  [  122.467096] [<c135e520>] (lkdtm_REFCOUNT_ADD_ZERO) from [<c0c33040>] (lkdtm_do_action+0x2c/0x4c)
 4329 12:20:21.909801  [  122.475885]  r5:c69a4000 r4:00000034
 4330 12:20:21.909968  [  122.479470] [<c0c33014>] (lkdtm_do_action) from [<c0c33540>] (direct_entry+0x120/0x18c)
 4331 12:20:21.910128  [  122.487488] [<c0c33420>] (direct_entry) from [<c07e0650>] (full_proxy_write+0x64/0x94)
 4332 12:20:21.910280  [  122.495414]  r9:c6be7f60 r8:c5357900 r7:00000012 r6:b6e53000 r5:c448c500 r4:c0c33420
 4333 12:20:21.953346  [  122.503174] [<c07e05ec>] (full_proxy_write) from [<c0598d04>] (vfs_write+0x10c/0x524)
 4334 12:20:21.953857  [  122.511012]  r9:c07e05ec r8:c6be7f60 r7:c2816000 r6:b6e53000 r5:c448c500 r4:00000000
 4335 12:20:21.954235  [  122.518764] [<c0598bf8>] (vfs_write) from [<c0599298>] (ksys_write+0x74/0xec)
 4336 12:20:21.954570  [  122.525907]  r10:00000004 r9:00000000 r8:00000000 r7:b6e53000 r6:c6be6000 r5:c448c500
 4337 12:20:21.954894  [  122.533740]  r4:c448c500
 4338 12:20:21.955205  [  122.536284] [<c0599224>] (ksys_write) from [<c0599328>] (sys_write+0x18/0x1c)
 4339 12:20:21.997320  [  122.543428]  r9:c6be6000 r8:c03002e4 r7:00000004 r6:b6f9ae00 r5:00000012 r4:00000012
 4340 12:20:21.997884  [  122.551182] [<c0599310>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 4341 12:20:21.998272  [  122.558756] Exception stack(0xc6be7fa8 to 0xc6be7ff0)
 4342 12:20:21.998605  [  122.563816] 7fa0:                   00000012 00000012 00000001 b6e53000 00000012 00000000
 4343 12:20:21.998932  [  122.572002] 7fc0: 00000012 00000012 b6f9ae00 00000004 00000001 00000000 00020000 bec5aa64
 4344 12:20:21.999176  [  122.580185] 7fe0: 00000004 bec5a798 b6f054cf b6e8b7e6
 4345 12:20:21.999235  [  122.585307] irq event stamp: 0
 4346 12:20:22.040908  [  122.588406] hardirqs last  enabled at (0): [<00000000>] 0x0
 4347 12:20:22.041014  [  122.593997] hardirqs last disabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974
 4348 12:20:22.041099  [  122.601560] softirqs last  enabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974
 4349 12:20:22.041177  [  122.609124] softirqs last disabled at (0): [<00000000>] 0x0
 4350 12:20:22.041253  [  122.614716] ---[ end trace 602be0240ace625e ]---
 4351 12:20:22.041326  [  122.619379] lkdtm: Zero detected: saturated
 4352 12:20:22.159555  # [  122.266002] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO
 4353 12:20:22.160100  # [  122.272548] lkdtm: attempting safe refcount_add_not_zero() from zero
 4354 12:20:22.160464  # [  122.281718] lkdtm: Good: zero detected
 4355 12:20:22.160847  # [  122.288350] lkdtm: Correctly stayed at zero
 4356 12:20:22.161179  # [  122.295342] lkdtm: attempting bad refcount_add() from zero
 4357 12:20:22.161497  # [  122.302703] ------------[ cut here ]------------
 4358 12:20:22.161806  # [  122.310224] WARNING: CPU: 1 PID: 3006 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174
 4359 12:20:22.202518  # [  122.321580] refcount_t: addition on 0; use-after-free.
 4360 12:20:22.203063  # [  122.329583] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3
 4361 12:20:22.203444  # [  122.361290] CPU: 1 PID: 3006 Comm: cat Tainted: G      D W         5.10.162-cip23 #1
 4362 12:20:22.245404  # [  122.371848] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 4363 12:20:22.245949  # [  122.379935] Backtrace: 
 4364 12:20:22.246307  # [  122.382408] [<c134ff48>] (dump_backtrace) from [<c1350308>] (show_stack+0x20/0x24)
 4365 12:20:22.246645  # [  122.389987]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6f8
 4366 12:20:22.246968  # [  122.395658] [<c13502e8>] (show_stack) from [<c13574fc>] (dump_stack+0xe0/0x100)
 4367 12:20:22.247281  # [  122.402982] [<c135741c>] (dump_stack) from [<c03567a4>] (__warn+0xfc/0x16c)
 4368 12:20:22.247592  # [  122.409955]  r9:00000009 r8:c0872328 r7:00000019 r6:00000009 r5:c0872328 r4:c1a20ffc
 4369 12:20:22.289221  # [  122.417710] [<c03566a8>] (__warn) from [<c1351428>] (warn_slowpath_fmt+0x8c/0xa8)
 4370 12:20:22.289761  # [  122.425199]  r7:00000019 r6:c1a20ffc r5:c1a2100c r4:c6be6000
 4371 12:20:22.290124  # [  122.430870] [<c13513a0>] (warn_slowpath_fmt) from [<c0872328>] (refcount_warn_saturate+0x108/0x174)
 4372 12:20:22.290463  # [  122.439925]  r9:c1acd068 r8:c15e8704 r7:c6be7f60 r6:00000012 r5:00000000 r4:c6be6000
 4373 12:20:22.290784  # [  122.447681] [<c0872220>] (refcount_warn_saturate) from [<c0c340d4>] (__refcount_add.constprop.0+0x54/0x58)
 4374 12:20:22.333214  # [  122.457347] [<c0c34080>] (__refcount_add.constprop.0) from [<c135e5c8>] (lkdtm_REFCOUNT_ADD_ZERO+0xa8/0xcc)
 4375 12:20:22.333762  # [  122.467096] [<c135e520>] (lkdtm_REFCOUNT_ADD_ZERO) from [<c0c33040>] (lkdtm_do_action+0x2c/0x4c)
 4376 12:20:22.334131  # [  122.475885]  r5:c69a4000 r4:00000034
 4377 12:20:22.334466  # [  122.479470] [<c0c33014>] (lkdtm_do_action) from [<c0c33540>] (direct_entry+0x120/0x18c)
 4378 12:20:22.334791  # [  122.487488] [<c0c33420>] (direct_entry) from [<c07e0650>] (full_proxy_write+0x64/0x94)
 4379 12:20:22.335104  # [  122.495414]  r9:c6be7f60 r8:c5357900 r7:00000012 r6:b6e53000 r5:c448c500 r4:c0c33420
 4380 12:20:22.377149  # [  122.503174] [<c07e05ec>] (full_proxy_write) from [<c0598d04>] (vfs_write+0x10c/0x524)
 4381 12:20:22.377695  # [  122.511012]  r9:c07e05ec r8:c6be7f60 r7:c2816000 r6:b6e53000 r5:c448c500 r4:00000000
 4382 12:20:22.378053  # [  122.518764] [<c0598bf8>] (vfs_write) from [<c0599298>] (ksys_write+0x74/0xec)
 4383 12:20:22.378387  # [  122.525907]  r10:00000004 r9:00000000 r8:00000000 r7:b6e53000 r6:c6be6000 r5:c448c500
 4384 12:20:22.378708  # [  122.533740]  r4:c448c500
 4385 12:20:22.379014  # [  122.536284] [<c0599224>] (ksys_write) from [<c0599328>] (sys_write+0x18/0x1c)
 4386 12:20:22.421310  # [  122.543428]  r9:c6be6000 r8:c03002e4 r7:00000004 r6:b6f9ae00 r5:00000012 r4:00000012
 4387 12:20:22.421857  # [  122.551182] [<c0599310>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 4388 12:20:22.422223  # [  122.558756] Exception stack(0xc6be7fa8 to 0xc6be7ff0)
 4389 12:20:22.422558  # [  122.563816] 7fa0:                   00000012 00000012 00000001 b6e53000 00000012 00000000
 4390 12:20:22.422882  # [  122.572002] 7fc0: 00000012 00000012 b6f9ae00 00000004 00000001 00000000 00020000 bec5aa64
 4391 12:20:22.423195  # [  122.580185] 7fe0: 00000004 bec5a798 b6f054cf b6e8b7e6
 4392 12:20:22.423506  # [  122.585307] irq event stamp: 0
 4393 12:20:22.465166  # [  122.588406] hardirqs last  enabled at (0): [<00000000>] 0x0
 4394 12:20:22.465709  # [  122.593997] hardirqs last disabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974
 4395 12:20:22.466070  # [  122.601560] softirqs last  enabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974
 4396 12:20:22.466407  # [  122.609124] softirqs last disabled at (0): [<00000000>] 0x0
 4397 12:20:22.466730  # [  122.614716] ---[ end trace 602be0240ace625e ]---
 4398 12:20:22.467045  # [  122.619379] lkdtm: Zero detected: saturated
 4399 12:20:22.467352  # REFCOUNT_ADD_ZERO: missing 'call trace:': [FAIL]
 4400 12:20:22.513088  not ok 51 selftests: lkdtm: REFCOUNT_ADD_ZERO.sh # exit=1
 4401 12:20:22.513639  # selftests: lkdtm: REFCOUNT_INC_SATURATED.sh
 4402 12:20:22.513999  [  123.076877] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED
 4403 12:20:22.514334  [  123.082994] lkdtm: attempting bad refcount_inc() from saturated
 4404 12:20:22.514655  [  123.089113] ------------[ cut here ]------------
 4405 12:20:22.514964  [  123.093784] WARNING: CPU: 0 PID: 3043 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174
 4406 12:20:22.515273  [  123.102263] refcount_t: saturated; leaking memory.
 4407 12:20:22.557203  [  123.107108] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3
 4408 12:20:22.557764  [  123.136365] CPU: 0 PID: 3043 Comm: cat Tainted: G      D W         5.10.162-cip23 #1
 4409 12:20:22.558130  [  123.144126] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 4410 12:20:22.558466  [  123.150656] Backtrace: 
 4411 12:20:22.601338  [  123.153129] [<c134ff48>] (dump_backtrace) from [<c1350308>] (show_stack+0x20/0x24)
 4412 12:20:22.601888  [  123.160708]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6f8
 4413 12:20:22.602254  [  123.166380] [<c13502e8>] (show_stack) from [<c13574fc>] (dump_stack+0xe0/0x100)
 4414 12:20:22.602588  [  123.173702] [<c135741c>] (dump_stack) from [<c03567a4>] (__warn+0xfc/0x16c)
 4415 12:20:22.602909  [  123.180676]  r9:00000009 r8:c08722f4 r7:00000016 r6:00000009 r5:c08722f4 r4:c1a20ffc
 4416 12:20:22.603223  [  123.188430] [<c03566a8>] (__warn) from [<c1351428>] (warn_slowpath_fmt+0x8c/0xa8)
 4417 12:20:22.645148  [  123.195919]  r7:00000016 r6:c1a20ffc r5:c1a20fd4 r4:c5c1a000
 4418 12:20:22.645691  [  123.201591] [<c13513a0>] (warn_slowpath_fmt) from [<c08722f4>] (refcount_warn_saturate+0xd4/0x174)
 4419 12:20:22.646055  [  123.210557]  r9:c1acd07c r8:c15e8704 r7:c5c1bf60 r6:00000017 r5:c5e56000 r4:c5c1a000
 4420 12:20:22.646389  [  123.218314] [<c0872220>] (refcount_warn_saturate) from [<c0c340c4>] (__refcount_add.constprop.0+0x44/0x58)
 4421 12:20:22.646714  [  123.227979] [<c0c34080>] (__refcount_add.constprop.0) from [<c135e638>] (lkdtm_REFCOUNT_INC_SATURATED+0x4c/0x70)
 4422 12:20:22.689245  [  123.238162] [<c135e5ec>] (lkdtm_REFCOUNT_INC_SATURATED) from [<c0c33040>] (lkdtm_do_action+0x2c/0x4c)
 4423 12:20:22.689792  [  123.247385]  r4:00000035
 4424 12:20:22.690157  [  123.249928] [<c0c33014>] (lkdtm_do_action) from [<c0c33540>] (direct_entry+0x120/0x18c)
 4425 12:20:22.690494  [  123.257947] [<c0c33420>] (direct_entry) from [<c07e0650>] (full_proxy_write+0x64/0x94)
 4426 12:20:22.690818  [  123.265873]  r9:c5c1bf60 r8:c5357900 r7:00000017 r6:b6e70000 r5:c2fd0dc0 r4:c0c33420
 4427 12:20:22.691132  [  123.273631] [<c07e05ec>] (full_proxy_write) from [<c0598d04>] (vfs_write+0x10c/0x524)
 4428 12:20:22.733329  [  123.281469]  r9:c07e05ec r8:c5c1bf60 r7:c2816000 r6:b6e70000 r5:c2fd0dc0 r4:00000000
 4429 12:20:22.733874  [  123.289222] [<c0598bf8>] (vfs_write) from [<c0599298>] (ksys_write+0x74/0xec)
 4430 12:20:22.734238  [  123.296367]  r10:00000004 r9:00000000 r8:00000000 r7:b6e70000 r6:c5c1a000 r5:c2fd0dc0
 4431 12:20:22.734577  [  123.304200]  r4:c2fd0dc0
 4432 12:20:22.734898  [  123.306743] [<c0599224>] (ksys_write) from [<c0599328>] (sys_write+0x18/0x1c)
 4433 12:20:22.735215  [  123.313886]  r9:c5c1a000 r8:c03002e4 r7:00000004 r6:b6fb7e00 r5:00000017 r4:00000017
 4434 12:20:22.735527  [  123.321640] [<c0599310>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 4435 12:20:22.777189  [  123.329214] Exception stack(0xc5c1bfa8 to 0xc5c1bff0)
 4436 12:20:22.777731  [  123.334275] bfa0:                   00000017 00000017 00000001 b6e70000 00000017 00000000
 4437 12:20:22.778096  [  123.342461] bfc0: 00000017 00000017 b6fb7e00 00000004 00000001 00000000 00020000 befbea64
 4438 12:20:22.778433  [  123.350645] bfe0: 00000004 befbe798 b6f224cf b6ea87e6
 4439 12:20:22.778752  [  123.355743] irq event stamp: 0
 4440 12:20:22.779061  [  123.358839] hardirqs last  enabled at (0): [<00000000>] 0x0
 4441 12:20:22.779367  [  123.364428] hardirqs last disabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974
 4442 12:20:22.821125  [  123.371963] softirqs last  enabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974
 4443 12:20:22.821304  [  123.379501] softirqs last disabled at (0): [<00000000>] 0x0
 4444 12:20:22.821388  [  123.385087] ---[ end trace 602be0240ace625f ]---
 4445 12:20:22.821465  [  123.389740] lkdtm: Saturation detected: still saturated
 4446 12:20:22.942516  # [  123.076877] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED
 4447 12:20:22.943062  # [  123.082994] lkdtm: attempting bad refcount_inc() from saturated
 4448 12:20:22.943424  # [  123.089113] ------------[ cut here ]------------
 4449 12:20:22.943753  # [  123.093784] WARNING: CPU: 0 PID: 3043 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174
 4450 12:20:22.944074  # [  123.102263] refcount_t: saturated; leaking memory.
 4451 12:20:22.985443  # [  123.107108] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3
 4452 12:20:22.986016  # [  123.136365] CPU: 0 PID: 3043 Comm: cat Tainted: G      D W         5.10.162-cip23 #1
 4453 12:20:22.986387  # [  123.144126] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 4454 12:20:22.986728  # [  123.150656] Backtrace: 
 4455 12:20:22.987047  # [  123.153129] [<c134ff48>] (dump_backtrace) from [<c1350308>] (show_stack+0x20/0x24)
 4456 12:20:23.029140  # [  123.160708]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6f8
 4457 12:20:23.029680  # [  123.166380] [<c13502e8>] (show_stack) from [<c13574fc>] (dump_stack+0xe0/0x100)
 4458 12:20:23.030039  # [  123.173702] [<c135741c>] (dump_stack) from [<c03567a4>] (__warn+0xfc/0x16c)
 4459 12:20:23.030370  # [  123.180676]  r9:00000009 r8:c08722f4 r7:00000016 r6:00000009 r5:c08722f4 r4:c1a20ffc
 4460 12:20:23.030690  # [  123.188430] [<c03566a8>] (__warn) from [<c1351428>] (warn_slowpath_fmt+0x8c/0xa8)
 4461 12:20:23.031000  # [  123.195919]  r7:00000016 r6:c1a20ffc r5:c1a20fd4 r4:c5c1a000
 4462 12:20:23.073104  # [  123.201591] [<c13513a0>] (warn_slowpath_fmt) from [<c08722f4>] (refcount_warn_saturate+0xd4/0x174)
 4463 12:20:23.073648  # [  123.210557]  r9:c1acd07c r8:c15e8704 r7:c5c1bf60 r6:00000017 r5:c5e56000 r4:c5c1a000
 4464 12:20:23.074006  # [  123.218314] [<c0872220>] (refcount_warn_saturate) from [<c0c340c4>] (__refcount_add.constprop.0+0x44/0x58)
 4465 12:20:23.074345  # [  123.227979] [<c0c34080>] (__refcount_add.constprop.0) from [<c135e638>] (lkdtm_REFCOUNT_INC_SATURATED+0x4c/0x70)
 4466 12:20:23.074671  # [  123.238162] [<c135e5ec>] (lkdtm_REFCOUNT_INC_SATURATED) from [<c0c33040>] (lkdtm_do_action+0x2c/0x4c)
 4467 12:20:23.117083  # [  123.247385]  r4:00000035
 4468 12:20:23.117621  # [  123.249928] [<c0c33014>] (lkdtm_do_action) from [<c0c33540>] (direct_entry+0x120/0x18c)
 4469 12:20:23.117983  # [  123.257947] [<c0c33420>] (direct_entry) from [<c07e0650>] (full_proxy_write+0x64/0x94)
 4470 12:20:23.118319  # [  123.265873]  r9:c5c1bf60 r8:c5357900 r7:00000017 r6:b6e70000 r5:c2fd0dc0 r4:c0c33420
 4471 12:20:23.118641  # [  123.273631] [<c07e05ec>] (full_proxy_write) from [<c0598d04>] (vfs_write+0x10c/0x524)
 4472 12:20:23.118956  # [  123.281469]  r9:c07e05ec r8:c5c1bf60 r7:c2816000 r6:b6e70000 r5:c2fd0dc0 r4:00000000
 4473 12:20:23.161308  # [  123.289222] [<c0598bf8>] (vfs_write) from [<c0599298>] (ksys_write+0x74/0xec)
 4474 12:20:23.161857  # [  123.296367]  r10:00000004 r9:00000000 r8:00000000 r7:b6e70000 r6:c5c1a000 r5:c2fd0dc0
 4475 12:20:23.162223  # [  123.304200]  r4:c2fd0dc0
 4476 12:20:23.162554  # [  123.306743] [<c0599224>] (ksys_write) from [<c0599328>] (sys_write+0x18/0x1c)
 4477 12:20:23.162876  # [  123.313886]  r9:c5c1a000 r8:c03002e4 r7:00000004 r6:b6fb7e00 r5:00000017 r4:00000017
 4478 12:20:23.163188  # [  123.321640] [<c0599310>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 4479 12:20:23.205044  # [  123.329214] Exception stack(0xc5c1bfa8 to 0xc5c1bff0)
 4480 12:20:23.205586  # [  123.334275] bfa0:                   00000017 00000017 00000001 b6e70000 00000017 00000000
 4481 12:20:23.205946  # [  123.342461] bfc0: 00000017 00000017 b6fb7e00 00000004 00000001 00000000 00020000 befbea64
 4482 12:20:23.206282  # [  123.350645] bfe0: 00000004 befbe798 b6f224cf b6ea87e6
 4483 12:20:23.206603  # [  123.355743] irq event stamp: 0
 4484 12:20:23.206911  # [  123.358839] hardirqs last  enabled at (0): [<00000000>] 0x0
 4485 12:20:23.207217  # [  123.364428] hardirqs last disabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974
 4486 12:20:23.249085  # [  123.371963] softirqs last  enabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974
 4487 12:20:23.249629  # [  123.379501] softirqs last disabled at (0): [<00000000>] 0x0
 4488 12:20:23.250036  # [  123.385087] ---[ end trace 602be0240ace625f ]---
 4489 12:20:23.250378  # [  123.389740] lkdtm: Saturation detected: still saturated
 4490 12:20:23.250699  # REFCOUNT_INC_SATURATED: saw 'Saturation detected: still saturated': ok
 4491 12:20:23.251014  ok 52 selftests: lkdtm: REFCOUNT_INC_SATURATED.sh
 4492 12:20:23.251321  # selftests: lkdtm: REFCOUNT_DEC_SATURATED.sh
 4493 12:20:23.296218  [  123.853682] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED
 4494 12:20:23.296784  [  123.859887] lkdtm: attempting bad refcount_dec() from saturated
 4495 12:20:23.297151  [  123.865821] ------------[ cut here ]------------
 4496 12:20:23.297487  [  123.870630] WARNING: CPU: 0 PID: 3078 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174
 4497 12:20:23.297812  [  123.879131] refcount_t: decrement hit 0; leaking memory.
 4498 12:20:23.339582  [  123.884453] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3
 4499 12:20:23.340139  [  123.913677] CPU: 0 PID: 3078 Comm: cat Tainted: G      D W         5.10.162-cip23 #1
 4500 12:20:23.340504  [  123.921436] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 4501 12:20:23.340886  [  123.927969] Backtrace: 
 4502 12:20:23.341212  [  123.930443] [<c134ff48>] (dump_backtrace) from [<c1350308>] (show_stack+0x20/0x24)
 4503 12:20:23.382679  [  123.938020]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6f8
 4504 12:20:23.383222  [  123.943693] [<c13502e8>] (show_stack) from [<c13574fc>] (dump_stack+0xe0/0x100)
 4505 12:20:23.383585  [  123.951015] [<c135741c>] (dump_stack) from [<c03567a4>] (__warn+0xfc/0x16c)
 4506 12:20:23.383918  [  123.957989]  r9:00000009 r8:c087228c r7:0000001f r6:00000009 r5:c087228c r4:c1a20ffc
 4507 12:20:23.384240  [  123.965744] [<c03566a8>] (__warn) from [<c1351428>] (warn_slowpath_fmt+0x8c/0xa8)
 4508 12:20:23.384552  [  123.973235]  r7:0000001f r6:c1a20ffc r5:c1a21060 r4:c5c1a000
 4509 12:20:23.425671  [  123.978906] [<c13513a0>] (warn_slowpath_fmt) from [<c087228c>] (refcount_warn_saturate+0x6c/0x174)
 4510 12:20:23.426216  [  123.987872]  r9:c1acd094 r8:c15e8704 r7:c5c1bf60 r6:00000017 r5:c5e56000 r4:c5c1a000
 4511 12:20:23.426580  [  123.995627] [<c0872220>] (refcount_warn_saturate) from [<c135df24>] (__refcount_dec.constprop.0+0x38/0x3c)
 4512 12:20:23.426921  [  124.005291] [<c135deec>] (__refcount_dec.constprop.0) from [<c135e6a4>] (lkdtm_REFCOUNT_DEC_SATURATED+0x48/0x6c)
 4513 12:20:23.427250  [  124.015477] [<c135e65c>] (lkdtm_REFCOUNT_DEC_SATURATED) from [<c0c33040>] (lkdtm_do_action+0x2c/0x4c)
 4514 12:20:23.427569  [  124.024702]  r4:00000036
 4515 12:20:23.469247  [  124.027246] [<c0c33014>] (lkdtm_do_action) from [<c0c33540>] (direct_entry+0x120/0x18c)
 4516 12:20:23.469789  [  124.035263] [<c0c33420>] (direct_entry) from [<c07e0650>] (full_proxy_write+0x64/0x94)
 4517 12:20:23.470152  [  124.043188]  r9:c5c1bf60 r8:c5357900 r7:00000017 r6:b6ead000 r5:c5b1b680 r4:c0c33420
 4518 12:20:23.470487  [  124.050946] [<c07e05ec>] (full_proxy_write) from [<c0598d04>] (vfs_write+0x10c/0x524)
 4519 12:20:23.470812  [  124.058785]  r9:c07e05ec r8:c5c1bf60 r7:c2816000 r6:b6ead000 r5:c5b1b680 r4:00000000
 4520 12:20:23.513157  [  124.066536] [<c0598bf8>] (vfs_write) from [<c0599298>] (ksys_write+0x74/0xec)
 4521 12:20:23.513705  [  124.073679]  r10:00000004 r9:00000000 r8:00000000 r7:b6ead000 r6:c5c1a000 r5:c5b1b680
 4522 12:20:23.514074  [  124.081511]  r4:c5b1b680
 4523 12:20:23.514408  [  124.084057] [<c0599224>] (ksys_write) from [<c0599328>] (sys_write+0x18/0x1c)
 4524 12:20:23.514735  [  124.091202]  r9:c5c1a000 r8:c03002e4 r7:00000004 r6:b6ff4e00 r5:00000017 r4:00000017
 4525 12:20:23.515052  [  124.098956] [<c0599310>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 4526 12:20:23.515361  [  124.106530] Exception stack(0xc5c1bfa8 to 0xc5c1bff0)
 4527 12:20:23.557323  [  124.111593] bfa0:                   00000017 00000017 00000001 b6ead000 00000017 00000000
 4528 12:20:23.557870  [  124.119779] bfc0: 00000017 00000017 b6ff4e00 00000004 00000001 00000000 00020000 bead1a64
 4529 12:20:23.558240  [  124.127962] bfe0: 00000004 bead1798 b6f5f4cf b6ee57e6
 4530 12:20:23.558580  [  124.133062] irq event stamp: 0
 4531 12:20:23.558902  [  124.136134] hardirqs last  enabled at (0): [<00000000>] 0x0
 4532 12:20:23.559215  [  124.141752] hardirqs last disabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974
 4533 12:20:23.559523  [  124.149289] softirqs last  enabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974
 4534 12:20:23.601123  [  124.156827] softirqs last disabled at (0): [<00000000>] 0x0
 4535 12:20:23.601304  [  124.162414] ---[ end trace 602be0240ace6260 ]---
 4536 12:20:23.601397  [  124.167069] lkdtm: Saturation detected: still saturated
 4537 12:20:23.726489  # [  123.853682] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED
 4538 12:20:23.727028  # [  123.859887] lkdtm: attempting bad refcount_dec() from saturated
 4539 12:20:23.727389  # [  123.865821] ------------[ cut here ]------------
 4540 12:20:23.727723  # [  123.870630] WARNING: CPU: 0 PID: 3078 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174
 4541 12:20:23.728049  # [  123.879131] refcount_t: decrement hit 0; leaking memory.
 4542 12:20:23.769493  # [  123.884453] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3
 4543 12:20:23.770054  # [  123.913677] CPU: 0 PID: 3078 Comm: cat Tainted: G      D W         5.10.162-cip23 #1
 4544 12:20:23.770423  # [  123.921436] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 4545 12:20:23.770764  # [  123.927969] Backtrace: 
 4546 12:20:23.771088  # [  123.930443] [<c134ff48>] (dump_backtrace) from [<c1350308>] (show_stack+0x20/0x24)
 4547 12:20:23.813169  # [  123.938020]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6f8
 4548 12:20:23.813717  # [  123.943693] [<c13502e8>] (show_stack) from [<c13574fc>] (dump_stack+0xe0/0x100)
 4549 12:20:23.814088  # [  123.951015] [<c135741c>] (dump_stack) from [<c03567a4>] (__warn+0xfc/0x16c)
 4550 12:20:23.814428  # [  123.957989]  r9:00000009 r8:c087228c r7:0000001f r6:00000009 r5:c087228c r4:c1a20ffc
 4551 12:20:23.814752  # [  123.965744] [<c03566a8>] (__warn) from [<c1351428>] (warn_slowpath_fmt+0x8c/0xa8)
 4552 12:20:23.815068  # [  123.973235]  r7:0000001f r6:c1a20ffc r5:c1a21060 r4:c5c1a000
 4553 12:20:23.857096  # [  123.978906] [<c13513a0>] (warn_slowpath_fmt) from [<c087228c>] (refcount_warn_saturate+0x6c/0x174)
 4554 12:20:23.857646  # [  123.987872]  r9:c1acd094 r8:c15e8704 r7:c5c1bf60 r6:00000017 r5:c5e56000 r4:c5c1a000
 4555 12:20:23.858018  # [  123.995627] [<c0872220>] (refcount_warn_saturate) from [<c135df24>] (__refcount_dec.constprop.0+0x38/0x3c)
 4556 12:20:23.858361  # [  124.005291] [<c135deec>] (__refcount_dec.constprop.0) from [<c135e6a4>] (lkdtm_REFCOUNT_DEC_SATURATED+0x48/0x6c)
 4557 12:20:23.901150  # [  124.015477] [<c135e65c>] (lkdtm_REFCOUNT_DEC_SATURATED) from [<c0c33040>] (lkdtm_do_action+0x2c/0x4c)
 4558 12:20:23.901699  # [  124.024702]  r4:00000036
 4559 12:20:23.902060  # [  124.027246] [<c0c33014>] (lkdtm_do_action) from [<c0c33540>] (direct_entry+0x120/0x18c)
 4560 12:20:23.902400  # [  124.035263] [<c0c33420>] (direct_entry) from [<c07e0650>] (full_proxy_write+0x64/0x94)
 4561 12:20:23.902724  # [  124.043188]  r9:c5c1bf60 r8:c5357900 r7:00000017 r6:b6ead000 r5:c5b1b680 r4:c0c33420
 4562 12:20:23.903041  # [  124.050946] [<c07e05ec>] (full_proxy_write) from [<c0598d04>] (vfs_write+0x10c/0x524)
 4563 12:20:23.945069  # [  124.058785]  r9:c07e05ec r8:c5c1bf60 r7:c2816000 r6:b6ead000 r5:c5b1b680 r4:00000000
 4564 12:20:23.945572  # [  124.066536] [<c0598bf8>] (vfs_write) from [<c0599298>] (ksys_write+0x74/0xec)
 4565 12:20:23.945907  # [  124.073679]  r10:00000004 r9:00000000 r8:00000000 r7:b6ead000 r6:c5c1a000 r5:c5b1b680
 4566 12:20:23.946258  # [  124.081511]  r4:c5b1b680
 4567 12:20:23.946579  # [  124.084057] [<c0599224>] (ksys_write) from [<c0599328>] (sys_write+0x18/0x1c)
 4568 12:20:23.946895  # [  124.091202]  r9:c5c1a000 r8:c03002e4 r7:00000004 r6:b6ff4e00 r5:00000017 r4:00000017
 4569 12:20:23.947204  # [  124.098956] [<c0599310>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 4570 12:20:23.989326  # [  124.106530] Exception stack(0xc5c1bfa8 to 0xc5c1bff0)
 4571 12:20:23.989832  # [  124.111593] bfa0:                   00000017 00000017 00000001 b6ead000 00000017 00000000
 4572 12:20:23.990216  # [  124.119779] bfc0: 00000017 00000017 b6ff4e00 00000004 00000001 00000000 00020000 bead1a64
 4573 12:20:23.990557  # [  124.127962] bfe0: 00000004 bead1798 b6f5f4cf b6ee57e6
 4574 12:20:23.990885  # [  124.133062] irq event stamp: 0
 4575 12:20:23.991198  # [  124.136134] hardirqs last  enabled at (0): [<00000000>] 0x0
 4576 12:20:23.991510  # [  124.141752] hardirqs last disabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974
 4577 12:20:24.037791  # [  124.149289] softirqs last  enabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974
 4578 12:20:24.038346  # [  124.156827] softirqs last disabled at (0): [<00000000>] 0x0
 4579 12:20:24.038713  # [  124.162414] ---[ end trace 602be0240ace6260 ]---
 4580 12:20:24.039051  # [  124.167069] lkdtm: Saturation detected: still saturated
 4581 12:20:24.039375  # REFCOUNT_DEC_SATURATED: saw 'Saturation detected: still saturated': ok
 4582 12:20:24.039696  ok 53 selftests: lkdtm: REFCOUNT_DEC_SATURATED.sh
 4583 12:20:24.040008  # selftests: lkdtm: REFCOUNT_ADD_SATURATED.sh
 4584 12:20:24.097554  [  124.652189] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED
 4585 12:20:24.098095  [  124.658429] lkdtm: attempting bad refcount_dec() from saturated
 4586 12:20:24.098460  [  124.664390] ------------[ cut here ]------------
 4587 12:20:24.098792  [  124.669104] WARNING: CPU: 3 PID: 3113 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174
 4588 12:20:24.099121  [  124.677683] refcount_t: saturated; leaking memory.
 4589 12:20:24.141193  [  124.682512] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3
 4590 12:20:24.141750  [  124.711659] CPU: 3 PID: 3113 Comm: cat Tainted: G      D W         5.10.162-cip23 #1
 4591 12:20:24.142120  [  124.719410] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 4592 12:20:24.142459  [  124.725942] Backtrace: 
 4593 12:20:24.142784  [  124.728415] [<c134ff48>] (dump_backtrace) from [<c1350308>] (show_stack+0x20/0x24)
 4594 12:20:24.143105  [  124.735993]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6f8
 4595 12:20:24.185170  [  124.741664] [<c13502e8>] (show_stack) from [<c13574fc>] (dump_stack+0xe0/0x100)
 4596 12:20:24.185711  [  124.748986] [<c135741c>] (dump_stack) from [<c03567a4>] (__warn+0xfc/0x16c)
 4597 12:20:24.186084  [  124.755958]  r9:00000009 r8:c08722f4 r7:00000016 r6:00000009 r5:c08722f4 r4:c1a20ffc
 4598 12:20:24.186425  [  124.763714] [<c03566a8>] (__warn) from [<c1351428>] (warn_slowpath_fmt+0x8c/0xa8)
 4599 12:20:24.186749  [  124.771204]  r7:00000016 r6:c1a20ffc r5:c1a20fd4 r4:c69d2000
 4600 12:20:24.229290  [  124.776876] [<c13513a0>] (warn_slowpath_fmt) from [<c08722f4>] (refcount_warn_saturate+0xd4/0x174)
 4601 12:20:24.229836  [  124.785841]  r9:c1acd0ac r8:c15e8704 r7:c69d3f60 r6:00000017 r5:c6b16000 r4:c69d2000
 4602 12:20:24.230205  [  124.793599] [<c0872220>] (refcount_warn_saturate) from [<c0c340c4>] (__refcount_add.constprop.0+0x44/0x58)
 4603 12:20:24.230544  [  124.803266] [<c0c34080>] (__refcount_add.constprop.0) from [<c135e714>] (lkdtm_REFCOUNT_ADD_SATURATED+0x4c/0x70)
 4604 12:20:24.230867  [  124.813449] [<c135e6c8>] (lkdtm_REFCOUNT_ADD_SATURATED) from [<c0c33040>] (lkdtm_do_action+0x2c/0x4c)
 4605 12:20:24.231181  [  124.822673]  r4:00000037
 4606 12:20:24.273275  [  124.825216] [<c0c33014>] (lkdtm_do_action) from [<c0c33540>] (direct_entry+0x120/0x18c)
 4607 12:20:24.273822  [  124.833232] [<c0c33420>] (direct_entry) from [<c07e0650>] (full_proxy_write+0x64/0x94)
 4608 12:20:24.274185  [  124.841157]  r9:c69d3f60 r8:c5357900 r7:00000017 r6:b6dbf000 r5:c5810c80 r4:c0c33420
 4609 12:20:24.274518  [  124.848915] [<c07e05ec>] (full_proxy_write) from [<c0598d04>] (vfs_write+0x10c/0x524)
 4610 12:20:24.274839  [  124.856752]  r9:c07e05ec r8:c69d3f60 r7:c2816000 r6:b6dbf000 r5:c5810c80 r4:00000000
 4611 12:20:24.275153  [  124.864505] [<c0598bf8>] (vfs_write) from [<c0599298>] (ksys_write+0x74/0xec)
 4612 12:20:24.317331  [  124.871650]  r10:00000004 r9:00000000 r8:00000000 r7:b6dbf000 r6:c69d2000 r5:c5810c80
 4613 12:20:24.317875  [  124.879485]  r4:c5810c80
 4614 12:20:24.318232  [  124.882029] [<c0599224>] (ksys_write) from [<c0599328>] (sys_write+0x18/0x1c)
 4615 12:20:24.318566  [  124.889173]  r9:c69d2000 r8:c03002e4 r7:00000004 r6:b6f06e00 r5:00000017 r4:00000017
 4616 12:20:24.318882  [  124.896928] [<c0599310>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 4617 12:20:24.319193  [  124.904502] Exception stack(0xc69d3fa8 to 0xc69d3ff0)
 4618 12:20:24.360863  [  124.909562] 3fa0:                   00000017 00000017 00000001 b6dbf000 00000017 00000000
 4619 12:20:24.361054  [  124.917750] 3fc0: 00000017 00000017 b6f06e00 00000004 00000001 00000000 00020000 bed23a64
 4620 12:20:24.361126  [  124.925934] 3fe0: 00000004 bed23798 b6e714cf b6df77e6
 4621 12:20:24.361218  [  124.931047] irq event stamp: 0
 4622 12:20:24.361289  [  124.934118] hardirqs last  enabled at (0): [<00000000>] 0x0
 4623 12:20:24.361350  [  124.939733] hardirqs last disabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974
 4624 12:20:24.361409  [  124.947266] softirqs last  enabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974
 4625 12:20:24.405397  [  124.954797] softirqs last disabled at (0): [<00000000>] 0x0
 4626 12:20:24.405942  [  124.960431] ---[ end trace 602be0240ace6261 ]---
 4627 12:20:24.406301  [  124.965064] lkdtm: Saturation detected: still saturated
 4628 12:20:24.522058  # [    0.000000] CPU: ARMv7 Processor [412fc09a] revision 10 (ARMv7), cr=10c5387d
 4629 12:20:24.522609  # [    0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache
 4630 12:20:24.522971  # [  124.652189] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED
 4631 12:20:24.523326  # [  124.658429] lkdtm: attempting bad refcount_dec() from saturated
 4632 12:20:24.523653  # [  124.664390] ------------[ cut here ]------------
 4633 12:20:24.523970  # [  124.669104] WARNING: CPU: 3 PID: 3113 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174
 4634 12:20:24.524277  # [  124.677683] refcount_t: saturated; leaking memory.
 4635 12:20:24.569212  # [  124.682512] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3
 4636 12:20:24.569772  # [  124.711659] CPU: 3 PID: 3113 Comm: cat Tainted: G      D W         5.10.162-cip23 #1
 4637 12:20:24.570131  # [  124.719410] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 4638 12:20:24.613180  # [  124.725942] Backtrace: 
 4639 12:20:24.613717  # [  124.728415] [<c134ff48>] (dump_backtrace) from [<c1350308>] (show_stack+0x20/0x24)
 4640 12:20:24.614075  # [  124.735993]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6f8
 4641 12:20:24.614409  # [  124.741664] [<c13502e8>] (show_stack) from [<c13574fc>] (dump_stack+0xe0/0x100)
 4642 12:20:24.614730  # [  124.748986] [<c135741c>] (dump_stack) from [<c03567a4>] (__warn+0xfc/0x16c)
 4643 12:20:24.615037  # [  124.755958]  r9:00000009 r8:c08722f4 r7:00000016 r6:00000009 r5:c08722f4 r4:c1a20ffc
 4644 12:20:24.657193  # [  124.763714] [<c03566a8>] (__warn) from [<c1351428>] (warn_slowpath_fmt+0x8c/0xa8)
 4645 12:20:24.657704  # [  124.771204]  r7:00000016 r6:c1a20ffc r5:c1a20fd4 r4:c69d2000
 4646 12:20:24.658146  # [  124.776876] [<c13513a0>] (warn_slowpath_fmt) from [<c08722f4>] (refcount_warn_saturate+0xd4/0x174)
 4647 12:20:24.658487  # [  124.785841]  r9:c1acd0ac r8:c15e8704 r7:c69d3f60 r6:00000017 r5:c6b16000 r4:c69d2000
 4648 12:20:24.658860  # [  124.793599] [<c0872220>] (refcount_warn_saturate) from [<c0c340c4>] (__refcount_add.constprop.0+0x44/0x58)
 4649 12:20:24.701180  # [  124.803266] [<c0c34080>] (__refcount_add.constprop.0) from [<c135e714>] (lkdtm_REFCOUNT_ADD_SATURATED+0x4c/0x70)
 4650 12:20:24.701705  # [  124.813449] [<c135e6c8>] (lkdtm_REFCOUNT_ADD_SATURATED) from [<c0c33040>] (lkdtm_do_action+0x2c/0x4c)
 4651 12:20:24.702049  # [  124.822673]  r4:00000037
 4652 12:20:24.702372  # [  124.825216] [<c0c33014>] (lkdtm_do_action) from [<c0c33540>] (direct_entry+0x120/0x18c)
 4653 12:20:24.702692  # [  124.833232] [<c0c33420>] (direct_entry) from [<c07e0650>] (full_proxy_write+0x64/0x94)
 4654 12:20:24.702998  # [  124.841157]  r9:c69d3f60 r8:c5357900 r7:00000017 r6:b6dbf000 r5:c5810c80 r4:c0c33420
 4655 12:20:24.745343  # [  124.848915] [<c07e05ec>] (full_proxy_write) from [<c0598d04>] (vfs_write+0x10c/0x524)
 4656 12:20:24.745898  # [  124.856752]  r9:c07e05ec r8:c69d3f60 r7:c2816000 r6:b6dbf000 r5:c5810c80 r4:00000000
 4657 12:20:24.746264  # [  124.864505] [<c0598bf8>] (vfs_write) from [<c0599298>] (ksys_write+0x74/0xec)
 4658 12:20:24.746590  # [  124.871650]  r10:00000004 r9:00000000 r8:00000000 r7:b6dbf000 r6:c69d2000 r5:c5810c80
 4659 12:20:24.746904  # [  124.879485]  r4:c5810c80
 4660 12:20:24.747206  # [  124.882029] [<c0599224>] (ksys_write) from [<c0599328>] (sys_write+0x18/0x1c)
 4661 12:20:24.789438  # [  124.889173]  r9:c69d2000 r8:c03002e4 r7:00000004 r6:b6f06e00 r5:00000017 r4:00000017
 4662 12:20:24.789981  # [  124.896928] [<c0599310>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 4663 12:20:24.790338  # [  124.904502] Exception stack(0xc69d3fa8 to 0xc69d3ff0)
 4664 12:20:24.790665  # [  124.909562] 3fa0:                   00000017 00000017 00000001 b6dbf000 00000017 00000000
 4665 12:20:24.790980  # [  124.917750] 3fc0: 00000017 00000017 b6f06e00 00000004 00000001 00000000 00020000 bed23a64
 4666 12:20:24.791285  # [  124.925934] 3fe0: 00000004 bed23798 b6e714cf b6df77e6
 4667 12:20:24.791589  # [  124.931047] irq event stamp: 0
 4668 12:20:24.833334  # [  124.934118] hardirqs last  enabled at (0): [<00000000>] 0x0
 4669 12:20:24.833878  # [  124.939733] hardirqs last disabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974
 4670 12:20:24.834240  # [  124.947266] softirqs last  enabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974
 4671 12:20:24.834572  # [  124.954797] softirqs last disabled at (0): [<00000000>] 0x0
 4672 12:20:24.834887  # [  124.960431] ---[ end trace 602be0240ace6261 ]---
 4673 12:20:24.835193  # [  124.965064] lkdtm: Saturation detected: still saturated
 4674 12:20:24.835492  # REFCOUNT_ADD_SATURATED: saw 'Saturation detected: still saturated': ok
 4675 12:20:24.877434  ok[  125.420465] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED
 4676 12:20:24.877981   54 selftests: lkdtm: REFCOUNT_AD[  125.427823] lkdtm: attempting bad refcount_inc_not_zero() from saturated
 4677 12:20:24.878339  D_SATURATED.sh
 4678 12:20:24.878663  # selftests: lkdt[  125.437490] ------------[ cut here ]------------
 4679 12:20:24.878978  m: REFCOUNT_INC_NOT_ZERO_SATURATE[  125.444942] WARNING: CPU: 0 PID: 3145 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174
 4680 12:20:24.879287  D.sh
 4681 12:20:24.879585  [  125.456238] refcount_t: saturated; leaking memory.
 4682 12:20:24.921440  [  125.461558] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3
 4683 12:20:24.921999  [  125.490737] CPU: 0 PID: 3145 Comm: cat Tainted: G      D W         5.10.162-cip23 #1
 4684 12:20:24.922363  [  125.498486] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 4685 12:20:24.922699  [  125.505020] Backtrace: 
 4686 12:20:24.965427  [  125.507494] [<c134ff48>] (dump_backtrace) from [<c1350308>] (show_stack+0x20/0x24)
 4687 12:20:24.965973  [  125.515071]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6f8
 4688 12:20:24.966331  [  125.520742] [<c13502e8>] (show_stack) from [<c13574fc>] (dump_stack+0xe0/0x100)
 4689 12:20:24.966661  [  125.528065] [<c135741c>] (dump_stack) from [<c03567a4>] (__warn+0xfc/0x16c)
 4690 12:20:24.966976  [  125.535036]  r9:00000009 r8:c08722c0 r7:00000013 r6:00000009 r5:c08722c0 r4:c1a20ffc
 4691 12:20:24.967282  [  125.542791] [<c03566a8>] (__warn) from [<c1351428>] (warn_slowpath_fmt+0x8c/0xa8)
 4692 12:20:25.009426  [  125.550281]  r7:00000013 r6:c1a20ffc r5:c1a20fd4 r4:c6b40000
 4693 12:20:25.009971  [  125.555951] [<c13513a0>] (warn_slowpath_fmt) from [<c08722c0>] (refcount_warn_saturate+0xa0/0x174)
 4694 12:20:25.010331  [  125.564918]  r9:c1acd0c4 r8:c15e8704 r7:c6b41f60 r6:00000020 r5:c5ab8000 r4:c0000000
 4695 12:20:25.010660  [  125.572673] [<c0872220>] (refcount_warn_saturate) from [<c135df8c>] (__refcount_add_not_zero.constprop.0+0x64/0x78)
 4696 12:20:25.010979  [  125.583122] [<c135df28>] (__refcount_add_not_zero.constprop.0) from [<c135e788>] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x50/0x88)
 4697 12:20:25.053470  [  125.594863]  r5:c5ab8000 r4:c6b40000
 4698 12:20:25.054013  [  125.598452] [<c135e738>] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED) from [<c0c33040>] (lkdtm_do_action+0x2c/0x4c)
 4699 12:20:25.054375  [  125.608456]  r4:00000038
 4700 12:20:25.054700  [  125.611001] [<c0c33014>] (lkdtm_do_action) from [<c0c33540>] (direct_entry+0x120/0x18c)
 4701 12:20:25.055013  [  125.619020] [<c0c33420>] (direct_entry) from [<c07e0650>] (full_proxy_write+0x64/0x94)
 4702 12:20:25.055316  [  125.626947]  r9:c6b41f60 r8:c5357900 r7:00000020 r6:b6ddc000 r5:c59fc640 r4:c0c33420
 4703 12:20:25.097349  [  125.634704] [<c07e05ec>] (full_proxy_write) from [<c0598d04>] (vfs_write+0x10c/0x524)
 4704 12:20:25.097899  [  125.642542]  r9:c07e05ec r8:c6b41f60 r7:c2816000 r6:b6ddc000 r5:c59fc640 r4:00000000
 4705 12:20:25.098258  [  125.650295] [<c0598bf8>] (vfs_write) from [<c0599298>] (ksys_write+0x74/0xec)
 4706 12:20:25.098587  [  125.657440]  r10:00000004 r9:00000000 r8:00000000 r7:b6ddc000 r6:c6b40000 r5:c59fc640
 4707 12:20:25.098903  [  125.665273]  r4:c59fc640
 4708 12:20:25.099204  [  125.667818] [<c0599224>] (ksys_write) from [<c0599328>] (sys_write+0x18/0x1c)
 4709 12:20:25.099503  [  125.674962]  r9:c6b40000 r8:c03002e4 r7:00000004 r6:b6f23e00 r5:00000020 r4:00000020
 4710 12:20:25.141186  [  125.682716] [<c0599310>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 4711 12:20:25.141733  [  125.690291] Exception stack(0xc6b41fa8 to 0xc6b41ff0)
 4712 12:20:25.142086  [  125.695352] 1fa0:                   00000020 00000020 00000001 b6ddc000 00000020 00000000
 4713 12:20:25.142417  [  125.703539] 1fc0: 00000020 00000020 b6f23e00 00000004 00000001 00000000 00020000 be90da64
 4714 12:20:25.142733  [  125.711722] 1fe0: 00000004 be90d798 b6e8e4cf b6e147e6
 4715 12:20:25.143039  [  125.716841] irq event stamp: 0
 4716 12:20:25.143337  [  125.719913] hardirqs last  enabled at (0): [<00000000>] 0x0
 4717 12:20:25.184886  [  125.725500] hardirqs last disabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974
 4718 12:20:25.185052  [  125.733603] softirqs last  enabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974
 4719 12:20:25.185119  [  125.741157] softirqs last disabled at (0): [<00000000>] 0x0
 4720 12:20:25.185184  [  125.746763] ---[ end trace 602be0240ace6262 ]---
 4721 12:20:25.185246  [  125.751393] lkdtm: Saturation detected: still saturated
 4722 12:20:25.308230  # [  125.420465] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED
 4723 12:20:25.308815  # [  125.427823] lkdtm: attempting bad refcount_inc_not_zero() from saturated
 4724 12:20:25.309162  # [  125.437490] ------------[ cut here ]------------
 4725 12:20:25.309477  # [  125.444942] WARNING: CPU: 0 PID: 3145 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174
 4726 12:20:25.309783  # [  125.456238] refcount_t: saturated; leaking memory.
 4727 12:20:25.351589  # [  125.461558] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3
 4728 12:20:25.352152  # [  125.490737] CPU: 0 PID: 3145 Comm: cat Tainted: G      D W         5.10.162-cip23 #1
 4729 12:20:25.352515  # [  125.498486] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 4730 12:20:25.352883  # [  125.505020] Backtrace: 
 4731 12:20:25.353202  # [  125.507494] [<c134ff48>] (dump_backtrace) from [<c1350308>] (show_stack+0x20/0x24)
 4732 12:20:25.394313  # [  125.515071]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6f8
 4733 12:20:25.394859  # [  125.520742] [<c13502e8>] (show_stack) from [<c13574fc>] (dump_stack+0xe0/0x100)
 4734 12:20:25.395210  # [  125.528065] [<c135741c>] (dump_stack) from [<c03567a4>] (__warn+0xfc/0x16c)
 4735 12:20:25.395536  # [  125.535036]  r9:00000009 r8:c08722c0 r7:00000013 r6:00000009 r5:c08722c0 r4:c1a20ffc
 4736 12:20:25.395850  # [  125.542791] [<c03566a8>] (__warn) from [<c1351428>] (warn_slowpath_fmt+0x8c/0xa8)
 4737 12:20:25.396154  # [  125.550281]  r7:00000013 r6:c1a20ffc r5:c1a20fd4 r4:c6b40000
 4738 12:20:25.437407  # [  125.555951] [<c13513a0>] (warn_slowpath_fmt) from [<c08722c0>] (refcount_warn_saturate+0xa0/0x174)
 4739 12:20:25.437920  # [  125.564918]  r9:c1acd0c4 r8:c15e8704 r7:c6b41f60 r6:00000020 r5:c5ab8000 r4:c0000000
 4740 12:20:25.438245  # [  125.572673] [<c0872220>] (refcount_warn_saturate) from [<c135df8c>] (__refcount_add_not_zero.constprop.0+0x64/0x78)
 4741 12:20:25.438550  # [  125.583122] [<c135df28>] (__refcount_add_not_zero.constprop.0) from [<c135e788>] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x50/0x88)
 4742 12:20:25.438840  # [  125.594863]  r5:c5ab8000 r4:c6b40000
 4743 12:20:25.481106  # [  125.598452] [<c135e738>] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED) from [<c0c33040>] (lkdtm_do_action+0x2c/0x4c)
 4744 12:20:25.481667  # [  125.608456]  r4:00000038
 4745 12:20:25.482032  # [  125.611001] [<c0c33014>] (lkdtm_do_action) from [<c0c33540>] (direct_entry+0x120/0x18c)
 4746 12:20:25.482417  # [  125.619020] [<c0c33420>] (direct_entry) from [<c07e0650>] (full_proxy_write+0x64/0x94)
 4747 12:20:25.482740  # [  125.626947]  r9:c6b41f60 r8:c5357900 r7:00000020 r6:b6ddc000 r5:c59fc640 r4:c0c33420
 4748 12:20:25.525192  # [  125.634704] [<c07e05ec>] (full_proxy_write) from [<c0598d04>] (vfs_write+0x10c/0x524)
 4749 12:20:25.525704  # [  125.642542]  r9:c07e05ec r8:c6b41f60 r7:c2816000 r6:b6ddc000 r5:c59fc640 r4:00000000
 4750 12:20:25.526039  # [  125.650295] [<c0598bf8>] (vfs_write) from [<c0599298>] (ksys_write+0x74/0xec)
 4751 12:20:25.526340  # [  125.657440]  r10:00000004 r9:00000000 r8:00000000 r7:b6ddc000 r6:c6b40000 r5:c59fc640
 4752 12:20:25.526631  # [  125.665273]  r4:c59fc640
 4753 12:20:25.526908  # [  125.667818] [<c0599224>] (ksys_write) from [<c0599328>] (sys_write+0x18/0x1c)
 4754 12:20:25.527184  # [  125.674962]  r9:c6b40000 r8:c03002e4 r7:00000004 r6:b6f23e00 r5:00000020 r4:00000020
 4755 12:20:25.569161  # [  125.682716] [<c0599310>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 4756 12:20:25.569710  # [  125.690291] Exception stack(0xc6b41fa8 to 0xc6b41ff0)
 4757 12:20:25.570066  # [  125.695352] 1fa0:                   00000020 00000020 00000001 b6ddc000 00000020 00000000
 4758 12:20:25.570397  # [  125.703539] 1fc0: 00000020 00000020 b6f23e00 00000004 00000001 00000000 00020000 be90da64
 4759 12:20:25.570711  # [  125.711722] 1fe0: 00000004 be90d798 b6e8e4cf b6e147e6
 4760 12:20:25.571019  # [  125.716841] irq event stamp: 0
 4761 12:20:25.571320  # [  125.719913] hardirqs last  enabled at (0): [<00000000>] 0x0
 4762 12:20:25.613214  # [  125.725500] hardirqs last disabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974
 4763 12:20:25.613762  # [  125.733603] softirqs last  enabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974
 4764 12:20:25.614126  # [  125.741157] softirqs last disabled at (0): [<00000000>] 0x0
 4765 12:20:25.614453  # [  125.746763] ---[ end trace 602be0240ace6262 ]---
 4766 12:20:25.614762  # [  125.751393] lkdtm: Saturation detected: still saturated
 4767 12:20:25.615066  # REFCOUNT_INC_NOT_ZERO_SATURATED: missing 'call trace:': [FAIL]
 4768 12:20:25.615367  not ok 55 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh # exit=1
 4769 12:20:25.657176  # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh
 4770 12:20:25.657717  [  126.215965] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED
 4771 12:20:25.658069  [  126.222934] lkdtm: attempting bad refcount_add_not_zero() from saturated
 4772 12:20:25.658394  [  126.229694] ------------[ cut here ]------------
 4773 12:20:25.658706  [  126.234338] WARNING: CPU: 0 PID: 3179 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174
 4774 12:20:25.659015  [  126.242823] refcount_t: saturated; leaking memory.
 4775 12:20:25.701444  [  126.247651] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3
 4776 12:20:25.702005  [  126.276892] CPU: 0 PID: 3179 Comm: cat Tainted: G      D W         5.10.162-cip23 #1
 4777 12:20:25.702365  [  126.284642] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 4778 12:20:25.702695  [  126.291175] Backtrace: 
 4779 12:20:25.745320  [  126.293648] [<c134ff48>] (dump_backtrace) from [<c1350308>] (show_stack+0x20/0x24)
 4780 12:20:25.745863  [  126.301228]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6f8
 4781 12:20:25.746222  [  126.306898] [<c13502e8>] (show_stack) from [<c13574fc>] (dump_stack+0xe0/0x100)
 4782 12:20:25.746556  [  126.314221] [<c135741c>] (dump_stack) from [<c03567a4>] (__warn+0xfc/0x16c)
 4783 12:20:25.746874  [  126.321192]  r9:00000009 r8:c08722c0 r7:00000013 r6:00000009 r5:c08722c0 r4:c1a20ffc
 4784 12:20:25.747182  [  126.328947] [<c03566a8>] (__warn) from [<c1351428>] (warn_slowpath_fmt+0x8c/0xa8)
 4785 12:20:25.789340  [  126.336436]  r7:00000013 r6:c1a20ffc r5:c1a20fd4 r4:c6b40000
 4786 12:20:25.789883  [  126.342108] [<c13513a0>] (warn_slowpath_fmt) from [<c08722c0>] (refcount_warn_saturate+0xa0/0x174)
 4787 12:20:25.790242  [  126.351076]  r9:c1acd0e4 r8:c15e8704 r7:c6b41f60 r6:00000020 r5:c5e00000 r4:c0000000
 4788 12:20:25.790568  [  126.358833] [<c0872220>] (refcount_warn_saturate) from [<c135df8c>] (__refcount_add_not_zero.constprop.0+0x64/0x78)
 4789 12:20:25.790886  [  126.369280] [<c135df28>] (__refcount_add_not_zero.constprop.0) from [<c135e810>] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x50/0x88)
 4790 12:20:25.791193  [  126.381020]  r5:c5e00000 r4:c6b40000
 4791 12:20:25.833424  [  126.384609] [<c135e7c0>] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED) from [<c0c33040>] (lkdtm_do_action+0x2c/0x4c)
 4792 12:20:25.833974  [  126.394613]  r4:00000039
 4793 12:20:25.834327  [  126.397157] [<c0c33014>] (lkdtm_do_action) from [<c0c33540>] (direct_entry+0x120/0x18c)
 4794 12:20:25.834661  [  126.405174] [<c0c33420>] (direct_entry) from [<c07e0650>] (full_proxy_write+0x64/0x94)
 4795 12:20:25.834975  [  126.413100]  r9:c6b41f60 r8:c5357900 r7:00000020 r6:b6dfc000 r5:c5b35900 r4:c0c33420
 4796 12:20:25.877436  [  126.420858] [<c07e05ec>] (full_proxy_write) from [<c0598d04>] (vfs_write+0x10c/0x524)
 4797 12:20:25.877986  [  126.428697]  r9:c07e05ec r8:c6b41f60 r7:c2816000 r6:b6dfc000 r5:c5b35900 r4:00000000
 4798 12:20:25.878341  [  126.436449] [<c0598bf8>] (vfs_write) from [<c0599298>] (ksys_write+0x74/0xec)
 4799 12:20:25.878670  [  126.443594]  r10:00000004 r9:00000000 r8:00000000 r7:b6dfc000 r6:c6b40000 r5:c5b35900
 4800 12:20:25.878990  [  126.451427]  r4:c5b35900
 4801 12:20:25.879298  [  126.453972] [<c0599224>] (ksys_write) from [<c0599328>] (sys_write+0x18/0x1c)
 4802 12:20:25.879601  [  126.461117]  r9:c6b40000 r8:c03002e4 r7:00000004 r6:b6f43e00 r5:00000020 r4:00000020
 4803 12:20:25.921142  [  126.468871] [<c0599310>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 4804 12:20:25.921673  [  126.476446] Exception stack(0xc6b41fa8 to 0xc6b41ff0)
 4805 12:20:25.922023  [  126.481508] 1fa0:                   00000020 00000020 00000001 b6dfc000 00000020 00000000
 4806 12:20:25.922355  [  126.489694] 1fc0: 00000020 00000020 b6f43e00 00000004 00000001 00000000 00020000 bed6fa64
 4807 12:20:25.922666  [  126.497879] 1fe0: 00000004 bed6f798 b6eae4cf b6e347e6
 4808 12:20:25.922970  [  126.502972] irq event stamp: 0
 4809 12:20:25.923269  [  126.506045] hardirqs last  enabled at (0): [<00000000>] 0x0
 4810 12:20:25.965285  [  126.511659] hardirqs last disabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974
 4811 12:20:25.965837  [  126.519193] softirqs last  enabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974
 4812 12:20:25.966198  [  126.526726] softirqs last disabled at (0): [<00000000>] 0x0
 4813 12:20:25.966528  [  126.532316] ---[ end trace 602be0240ace6263 ]---
 4814 12:20:25.966847  [  126.536968] lkdtm: Saturation detected: still saturated
 4815 12:20:26.097412  # [  126.215965] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED
 4816 12:20:26.097970  # [  126.222934] lkdtm: attempting bad refcount_add_not_zero() from saturated
 4817 12:20:26.098335  # [  126.229694] ------------[ cut here ]------------
 4818 12:20:26.098665  # [  126.234338] WARNING: CPU: 0 PID: 3179 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174
 4819 12:20:26.098985  # [  126.242823] refcount_t: saturated; leaking memory.
 4820 12:20:26.141147  # [  126.247651] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3
 4821 12:20:26.141710  # [  126.276892] CPU: 0 PID: 3179 Comm: cat Tainted: G      D W         5.10.162-cip23 #1
 4822 12:20:26.142079  # [  126.284642] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 4823 12:20:26.142412  # [  126.291175] Backtrace: 
 4824 12:20:26.142730  # [  126.293648] [<c134ff48>] (dump_backtrace) from [<c1350308>] (show_stack+0x20/0x24)
 4825 12:20:26.185325  # [  126.301228]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6f8
 4826 12:20:26.185879  # [  126.306898] [<c13502e8>] (show_stack) from [<c13574fc>] (dump_stack+0xe0/0x100)
 4827 12:20:26.186248  # [  126.314221] [<c135741c>] (dump_stack) from [<c03567a4>] (__warn+0xfc/0x16c)
 4828 12:20:26.186578  # [  126.321192]  r9:00000009 r8:c08722c0 r7:00000013 r6:00000009 r5:c08722c0 r4:c1a20ffc
 4829 12:20:26.186897  # [  126.328947] [<c03566a8>] (__warn) from [<c1351428>] (warn_slowpath_fmt+0x8c/0xa8)
 4830 12:20:26.187209  # [  126.336436]  r7:00000013 r6:c1a20ffc r5:c1a20fd4 r4:c6b40000
 4831 12:20:26.233209  # [  126.342108] [<c13513a0>] (warn_slowpath_fmt) from [<c08722c0>] (refcount_warn_saturate+0xa0/0x174)
 4832 12:20:26.233786  # [  126.351076]  r9:c1acd0e4 r8:c15e8704 r7:c6b41f60 r6:00000020 r5:c5e00000 r4:c0000000
 4833 12:20:26.234168  # [  126.358833] [<c0872220>] (refcount_warn_saturate) from [<c135df8c>] (__refcount_add_not_zero.constprop.0+0x64/0x78)
 4834 12:20:26.234507  # [  126.369280] [<c135df28>] (__refcount_add_not_zero.constprop.0) from [<c135e810>] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x50/0x88)
 4835 12:20:26.234834  # [  126.381020]  r5:c5e00000 r4:c6b40000
 4836 12:20:26.281189  # [  126.384609] [<c135e7c0>] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED) from [<c0c33040>] (lkdtm_do_action+0x2c/0x4c)
 4837 12:20:26.281743  # [  126.394613]  r4:00000039
 4838 12:20:26.282103  # [  126.397157] [<c0c33014>] (lkdtm_do_action) from [<c0c33540>] (direct_entry+0x120/0x18c)
 4839 12:20:26.282436  # [  126.405174] [<c0c33420>] (direct_entry) from [<c07e0650>] (full_proxy_write+0x64/0x94)
 4840 12:20:26.282755  # [  126.413100]  r9:c6b41f60 r8:c5357900 r7:00000020 r6:b6dfc000 r5:c5b35900 r4:c0c33420
 4841 12:20:26.325358  # [  126.420858] [<c07e05ec>] (full_proxy_write) from [<c0598d04>] (vfs_write+0x10c/0x524)
 4842 12:20:26.325906  # [  126.428697]  r9:c07e05ec r8:c6b41f60 r7:c2816000 r6:b6dfc000 r5:c5b35900 r4:00000000
 4843 12:20:26.326265  # [  126.436449] [<c0598bf8>] (vfs_write) from [<c0599298>] (ksys_write+0x74/0xec)
 4844 12:20:26.326596  # [  126.443594]  r10:00000004 r9:00000000 r8:00000000 r7:b6dfc000 r6:c6b40000 r5:c5b35900
 4845 12:20:26.326912  # [  126.451427]  r4:c5b35900
 4846 12:20:26.327217  # [  126.453972] [<c0599224>] (ksys_write) from [<c0599328>] (sys_write+0x18/0x1c)
 4847 12:20:26.327517  # [  126.461117]  r9:c6b40000 r8:c03002e4 r7:00000004 r6:b6f43e00 r5:00000020 r4:00000020
 4848 12:20:26.369436  # [  126.468871] [<c0599310>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 4849 12:20:26.369949  # [  126.476446] Exception stack(0xc6b41fa8 to 0xc6b41ff0)
 4850 12:20:26.370314  # [  126.481508] 1fa0:                   00000020 00000020 00000001 b6dfc000 00000020 00000000
 4851 12:20:26.370645  # [  126.489694] 1fc0: 00000020 00000020 b6f43e00 00000004 00000001 00000000 00020000 bed6fa64
 4852 12:20:26.370956  # [  126.497879] 1fe0: 00000004 bed6f798 b6eae4cf b6e347e6
 4853 12:20:26.371260  # [  126.502972] irq event stamp: 0
 4854 12:20:26.371559  # [  126.506045] hardirqs last  enabled at (0): [<00000000>] 0x0
 4855 12:20:26.413214  # [  126.511659] hardirqs last disabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974
 4856 12:20:26.413724  # [  126.519193] softirqs last  enabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974
 4857 12:20:26.414065  # [  126.526726] softirqs last disabled at (0): [<00000000>] 0x0
 4858 12:20:26.414366  # [  126.532316] ---[ end trace 602be0240ace6263 ]---
 4859 12:20:26.414659  # [  126.536968] lkdtm: Saturation detected: still saturated
 4860 12:20:26.414945  # REFCOUNT_ADD_NOT_ZERO_SATURATED: missing 'call trace:': [FAIL]
 4861 12:20:26.415224  not ok 56 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh # exit=1
 4862 12:20:26.457387  # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh
 4863 12:20:26.461001  [  127.015568] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED
 4864 12:20:26.461513  [  127.022613] lkdtm: attempting bad refcount_dec_and_test() from saturated
 4865 12:20:26.461842  [  127.029404] ------------[ cut here ]------------
 4866 12:20:26.462185  [  127.035648] WARNING: CPU: 0 PID: 3216 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174
 4867 12:20:26.462507  [  127.045147] refcount_t: underflow; use-after-free.
 4868 12:20:26.504365  [  127.049975] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3
 4869 12:20:26.504964  [  127.079123] CPU: 0 PID: 3216 Comm: cat Tainted: G      D W         5.10.162-cip23 #1
 4870 12:20:26.505324  [  127.086873] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 4871 12:20:26.505655  [  127.093406] Backtrace: 
 4872 12:20:26.505971  [  127.095881] [<c134ff48>] (dump_backtrace) from [<c1350308>] (show_stack+0x20/0x24)
 4873 12:20:26.547606  [  127.103459]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6f8
 4874 12:20:26.548154  [  127.109131] [<c13502e8>] (show_stack) from [<c13574fc>] (dump_stack+0xe0/0x100)
 4875 12:20:26.548512  [  127.116454] [<c135741c>] (dump_stack) from [<c03567a4>] (__warn+0xfc/0x16c)
 4876 12:20:26.548872  [  127.123425]  r9:00000009 r8:c087235c r7:0000001c r6:00000009 r5:c087235c r4:c1a20ffc
 4877 12:20:26.549190  [  127.131181] [<c03566a8>] (__warn) from [<c1351428>] (warn_slowpath_fmt+0x8c/0xa8)
 4878 12:20:26.549498  [  127.138670]  r7:0000001c r6:c1a20ffc r5:c1a21038 r4:c595a000
 4879 12:20:26.590702  [  127.144341] [<c13513a0>] (warn_slowpath_fmt) from [<c087235c>] (refcount_warn_saturate+0x13c/0x174)
 4880 12:20:26.591251  [  127.153394]  r9:c1acd104 r8:c15e8704 r7:c595bf60 r6:00000020 r5:c5e00000 r4:c595a000
 4881 12:20:26.591608  [  127.161151] [<c0872220>] (refcount_warn_saturate) from [<c0c3413c>] (__refcount_sub_and_test.constprop.0+0x64/0x6c)
 4882 12:20:26.591941  [  127.171600] [<c0c340d8>] (__refcount_sub_and_test.constprop.0) from [<c135e898>] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x50/0x88)
 4883 12:20:26.633702  [  127.183348] [<c135e848>] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED) from [<c0c33040>] (lkdtm_do_action+0x2c/0x4c)
 4884 12:20:26.634261  [  127.193353]  r4:0000003a
 4885 12:20:26.634620  [  127.195898] [<c0c33014>] (lkdtm_do_action) from [<c0c33540>] (direct_entry+0x120/0x18c)
 4886 12:20:26.634950  [  127.203916] [<c0c33420>] (direct_entry) from [<c07e0650>] (full_proxy_write+0x64/0x94)
 4887 12:20:26.635268  [  127.211842]  r9:c595bf60 r8:c5357900 r7:00000020 r6:b6dff000 r5:c59ae8c0 r4:c0c33420
 4888 12:20:26.635580  [  127.219600] [<c07e05ec>] (full_proxy_write) from [<c0598d04>] (vfs_write+0x10c/0x524)
 4889 12:20:26.635883  [  127.227439]  r9:c07e05ec r8:c595bf60 r7:c2816000 r6:b6dff000 r5:c59ae8c0 r4:00000000
 4890 12:20:26.677303  [  127.235192] [<c0598bf8>] (vfs_write) from [<c0599298>] (ksys_write+0x74/0xec)
 4891 12:20:26.677850  [  127.242336]  r10:00000004 r9:00000000 r8:00000000 r7:b6dff000 r6:c595a000 r5:c59ae8c0
 4892 12:20:26.678205  [  127.250170]  r4:c59ae8c0
 4893 12:20:26.678534  [  127.252715] [<c0599224>] (ksys_write) from [<c0599328>] (sys_write+0x18/0x1c)
 4894 12:20:26.678851  [  127.259859]  r9:c595a000 r8:c03002e4 r7:00000004 r6:b6f46e00 r5:00000020 r4:00000020
 4895 12:20:26.679161  [  127.267615] [<c0599310>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 4896 12:20:26.721187  [  127.275190] Exception stack(0xc595bfa8 to 0xc595bff0)
 4897 12:20:26.721733  [  127.280251] bfa0:                   00000020 00000020 00000001 b6dff000 00000020 00000000
 4898 12:20:26.722093  [  127.288437] bfc0: 00000020 00000020 b6f46e00 00000004 00000001 00000000 00020000 bee82a64
 4899 12:20:26.722423  [  127.296621] bfe0: 00000004 bee82798 b6eb14cf b6e377e6
 4900 12:20:26.722737  [  127.301703] irq event stamp: 0
 4901 12:20:26.723041  [  127.304773] hardirqs last  enabled at (0): [<00000000>] 0x0
 4902 12:20:26.723341  [  127.310385] hardirqs last disabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974
 4903 12:20:26.765397  [  127.317901] softirqs last  enabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974
 4904 12:20:26.765945  [  127.325396] softirqs last disabled at (0): [<00000000>] 0x0
 4905 12:20:26.766302  [  127.330999] ---[ end trace 602be0240ace6264 ]---
 4906 12:20:26.766631  [  127.335626] lkdtm: Saturation detected: still saturated
 4907 12:20:26.890871  # [  127.015568] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED
 4908 12:20:26.891047  # [  127.022613] lkdtm: attempting bad refcount_dec_and_test() from saturated
 4909 12:20:26.891130  # [  127.029404] ------------[ cut here ]------------
 4910 12:20:26.891193  # [  127.035648] WARNING: CPU: 0 PID: 3216 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174
 4911 12:20:26.891253  # [  127.045147] refcount_t: underflow; use-after-free.
 4912 12:20:26.933779  # [  127.049975] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3
 4913 12:20:26.933868  # [  127.079123] CPU: 0 PID: 3216 Comm: cat Tainted: G      D W         5.10.162-cip23 #1
 4914 12:20:26.933936  # [  127.086873] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 4915 12:20:26.933999  # [  127.093406] Backtrace: 
 4916 12:20:26.934058  # [  127.095881] [<c134ff48>] (dump_backtrace) from [<c1350308>] (show_stack+0x20/0x24)
 4917 12:20:26.976903  
 4918 12:20:26.976987  # [  127.103459]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6f8
 4919 12:20:26.977055  # [  127.109131] [<c13502e8>] (show_stack) from [<c13574fc>] (dump_stack+0xe0/0x100)
 4920 12:20:26.977132  # [  127.116454] [<c135741c>] (dump_stack) from [<c03567a4>] (__warn+0xfc/0x16c)
 4921 12:20:26.977207  # [  127.123425]  r9:00000009 r8:c087235c r7:0000001c r6:00000009 r5:c087235c r4:c1a20ffc
 4922 12:20:26.977265  # [  127.131181] [<c03566a8>] (__warn) from [<c1351428>] (warn_slowpath_fmt+0x8c/0xa8)
 4923 12:20:26.977322  # [  127.138670]  r7:0000001c r6:c1a20ffc r5:c1a21038 r4:c595a000
 4924 12:20:27.020811  # [  127.144341] [<c13513a0>] (warn_slowpath_fmt) from [<c087235c>] (refcount_warn_saturate+0x13c/0x174)
 4925 12:20:27.020895  # [  127.153394]  r9:c1acd104 r8:c15e8704 r7:c595bf60 r6:00000020 r5:c5e00000 r4:c595a000
 4926 12:20:27.020962  # [  127.161151] [<c0872220>] (refcount_warn_saturate) from [<c0c3413c>] (__refcount_sub_and_test.constprop.0+0x64/0x6c)
 4927 12:20:27.021026  # [  127.171600] [<c0c340d8>] (__refcount_sub_and_test.constprop.0) from [<c135e898>] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x50/0x88)
 4928 12:20:27.064799  # [  127.183348] [<c135e848>] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED) from [<c0c33040>] (lkdtm_do_action+0x2c/0x4c)
 4929 12:20:27.064883  # [  127.193353]  r4:0000003a
 4930 12:20:27.064950  # [  127.195898] [<c0c33014>] (lkdtm_do_action) from [<c0c33540>] (direct_entry+0x120/0x18c)
 4931 12:20:27.065012  # [  127.203916] [<c0c33420>] (direct_entry) from [<c07e0650>] (full_proxy_write+0x64/0x94)
 4932 12:20:27.065071  # [  127.211842]  r9:c595bf60 r8:c5357900 r7:00000020 r6:b6dff000 r5:c59ae8c0 r4:c0c33420
 4933 12:20:27.065129  # [  127.219600] [<c07e05ec>] (full_proxy_write) from [<c0598d04>] (vfs_write+0x10c/0x524)
 4934 12:20:27.108807  # [  127.227439]  r9:c07e05ec r8:c595bf60 r7:c2816000 r6:b6dff000 r5:c59ae8c0 r4:00000000
 4935 12:20:27.108892  # [  127.235192] [<c0598bf8>] (vfs_write) from [<c0599298>] (ksys_write+0x74/0xec)
 4936 12:20:27.108959  # [  127.242336]  r10:00000004 r9:00000000 r8:00000000 r7:b6dff000 r6:c595a000 r5:c59ae8c0
 4937 12:20:27.109019  # [  127.250170]  r4:c59ae8c0
 4938 12:20:27.109079  # [  127.252715] [<c0599224>] (ksys_write) from [<c0599328>] (sys_write+0x18/0x1c)
 4939 12:20:27.109135  # [  127.259859]  r9:c595a000 r8:c03002e4 r7:00000004 r6:b6f46e00 r5:00000020 r4:00000020
 4940 12:20:27.152808  # [  127.267615] [<c0599310>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 4941 12:20:27.152907  # [  127.275190] Exception stack(0xc595bfa8 to 0xc595bff0)
 4942 12:20:27.152988  # [  127.280251] bfa0:                   00000020 00000020 00000001 b6dff000 00000020 00000000
 4943 12:20:27.153080  # [  127.288437] bfc0: 00000020 00000020 b6f46e00 00000004 00000001 00000000 00020000 bee82a64
 4944 12:20:27.153155  # [  127.296621] bfe0: 00000004 bee82798 b6eb14cf b6e377e6
 4945 12:20:27.153242  # [  127.301703] irq event stamp: 0
 4946 12:20:27.153300  # [  127.304773] hardirqs last  enabled at (0): [<00000000>] 0x0
 4947 12:20:27.196797  # [  127.310385] hardirqs last disabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974
 4948 12:20:27.196937  # [  127.317901] softirqs last  enabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974
 4949 12:20:27.197004  # [  127.325396] softirqs last disabled at (0): [<00000000>] 0x0
 4950 12:20:27.197079  # [  127.330999] ---[ end trace 602be0240ace6264 ]---
 4951 12:20:27.197140  # [  127.335626] lkdtm: Saturation detected: still saturated
 4952 12:20:27.197198  # REFCOUNT_DEC_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok
 4953 12:20:27.197257  ok 57 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh
 4954 12:20:27.240734  # sel[  127.790332] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED
 4955 12:20:27.240877  ftests: lkdtm: REFCOUNT_SUB_AND_T[  127.798246] lkdtm: attempting bad refcount_sub_and_test() from saturated
 4956 12:20:27.240958  EST_SATURATED.sh
 4957 12:20:27.241020  [  127.807684] ------------[ cut here ]------------
 4958 12:20:27.241079  [  127.813802] WARNING: CPU: 3 PID: 3251 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174
 4959 12:20:27.241137  [  127.822435] refcount_t: underflow; use-after-free.
 4960 12:20:27.284752  [  127.827293] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3
 4961 12:20:27.284839  [  127.856446] CPU: 3 PID: 3251 Comm: cat Tainted: G      D W         5.10.162-cip23 #1
 4962 12:20:27.284906  [  127.864197] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 4963 12:20:27.284968  [  127.870728] Backtrace: 
 4964 12:20:27.285028  [  127.873203] [<c134ff48>] (dump_backtrace) from [<c1350308>] (show_stack+0x20/0x24)
 4965 12:20:27.328743  [  127.880781]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6f8
 4966 12:20:27.328826  [  127.886453] [<c13502e8>] (show_stack) from [<c13574fc>] (dump_stack+0xe0/0x100)
 4967 12:20:27.328893  [  127.893777] [<c135741c>] (dump_stack) from [<c03567a4>] (__warn+0xfc/0x16c)
 4968 12:20:27.328954  [  127.900747]  r9:00000009 r8:c087235c r7:0000001c r6:00000009 r5:c087235c r4:c1a20ffc
 4969 12:20:27.329013  [  127.908505] [<c03566a8>] (__warn) from [<c1351428>] (warn_slowpath_fmt+0x8c/0xa8)
 4970 12:20:27.329069  [  127.915996]  r7:0000001c r6:c1a20ffc r5:c1a21038 r4:c595a000
 4971 12:20:27.372754  [  127.921670] [<c13513a0>] (warn_slowpath_fmt) from [<c087235c>] (refcount_warn_saturate+0x13c/0x174)
 4972 12:20:27.372838  [  127.930723]  r9:c1acd124 r8:c15e8704 r7:c595bf60 r6:00000020 r5:c6b07000 r4:c595a000
 4973 12:20:27.372905  [  127.938481] [<c0872220>] (refcount_warn_saturate) from [<c0c3413c>] (__refcount_sub_and_test.constprop.0+0x64/0x6c)
 4974 12:20:27.372966  [  127.948929] [<c0c340d8>] (__refcount_sub_and_test.constprop.0) from [<c135e920>] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x50/0x88)
 4975 12:20:27.416786  [  127.960677] [<c135e8d0>] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED) from [<c0c33040>] (lkdtm_do_action+0x2c/0x4c)
 4976 12:20:27.416870  [  127.970680]  r4:0000003b
 4977 12:20:27.416936  [  127.973224] [<c0c33014>] (lkdtm_do_action) from [<c0c33540>] (direct_entry+0x120/0x18c)
 4978 12:20:27.416997  [  127.981243] [<c0c33420>] (direct_entry) from [<c07e0650>] (full_proxy_write+0x64/0x94)
 4979 12:20:27.417056  [  127.989168]  r9:c595bf60 r8:c5357900 r7:00000020 r6:b6dfd000 r5:c2fd0f00 r4:c0c33420
 4980 12:20:27.417113  [  127.996928] [<c07e05ec>] (full_proxy_write) from [<c0598d04>] (vfs_write+0x10c/0x524)
 4981 12:20:27.460750  [  128.004766]  r9:c07e05ec r8:c595bf60 r7:c2816000 r6:b6dfd000 r5:c2fd0f00 r4:00000000
 4982 12:20:27.460834  [  128.012519] [<c0598bf8>] (vfs_write) from [<c0599298>] (ksys_write+0x74/0xec)
 4983 12:20:27.460900  [  128.019663]  r10:00000004 r9:00000000 r8:00000000 r7:b6dfd000 r6:c595a000 r5:c2fd0f00
 4984 12:20:27.460961  [  128.027496]  r4:c2fd0f00
 4985 12:20:27.461020  [  128.030040] [<c0599224>] (ksys_write) from [<c0599328>] (sys_write+0x18/0x1c)
 4986 12:20:27.461076  [  128.037184]  r9:c595a000 r8:c03002e4 r7:00000004 r6:b6f44e00 r5:00000020 r4:00000020
 4987 12:20:27.461133  [  128.044938] [<c0599310>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 4988 12:20:27.504743  [  128.052512] Exception stack(0xc595bfa8 to 0xc595bff0)
 4989 12:20:27.504868  [  128.057572] bfa0:                   00000020 00000020 00000001 b6dfd000 00000020 00000000
 4990 12:20:27.504964  [  128.065761] bfc0: 00000020 00000020 b6f44e00 00000004 00000001 00000000 00020000 beb0ca64
 4991 12:20:27.505071  [  128.073945] bfe0: 00000004 beb0c798 b6eaf4cf b6e357e6
 4992 12:20:27.505159  [  128.079059] irq event stamp: 0
 4993 12:20:27.505263  [  128.082133] hardirqs last  enabled at (0): [<00000000>] 0x0
 4994 12:20:27.505321  [  128.087750] hardirqs last disabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974
 4995 12:20:27.548751  [  128.095251] softirqs last  enabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974
 4996 12:20:27.548835  [  128.102792] softirqs last disabled at (0): [<00000000>] 0x0
 4997 12:20:27.548903  [  128.108421] ---[ end trace 602be0240ace6265 ]---
 4998 12:20:27.548965  [  128.113055] lkdtm: Saturation detected: still saturated
 4999 12:20:27.656354  # [  127.790332] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED
 5000 12:20:27.656443  # [  127.798246] lkdtm: attempting bad refcount_sub_and_test() from saturated
 5001 12:20:27.656512  # [  127.807684] ------------[ cut here ]------------
 5002 12:20:27.656575  # [  127.813802] WARNING: CPU: 3 PID: 3251 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174
 5003 12:20:27.656637  # [  127.822435] refcount_t: underflow; use-after-free.
 5004 12:20:27.699372  # [  127.827293] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error imx_ldb flexcan can_dev dw_hdmi_imx etnaviv dw_hdmi gpu_sched parallel_display imxdrm imx_ipu_v3
 5005 12:20:27.699459  # [  127.856446] CPU: 3 PID: 3251 Comm: cat Tainted: G      D W         5.10.162-cip23 #1
 5006 12:20:27.699527  # [  127.864197] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 5007 12:20:27.699591  # [  127.870728] Backtrace: 
 5008 12:20:27.699651  # [  127.873203] [<c134ff48>] (dump_backtrace) from [<c1350308>] (show_stack+0x20/0x24)
 5009 12:20:27.742454  
 5010 12:20:27.742537  # [  127.880781]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6f8
 5011 12:20:27.742627  # [  127.886453] [<c13502e8>] (show_stack) from [<c13574fc>] (dump_stack+0xe0/0x100)
 5012 12:20:27.742712  # [  127.893777] [<c135741c>] (dump_stack) from [<c03567a4>] (__warn+0xfc/0x16c)
 5013 12:20:27.742771  # [  127.900747]  r9:00000009 r8:c087235c r7:0000001c r6:00000009 r5:c087235c r4:c1a20ffc
 5014 12:20:27.742828  # [  127.908505] [<c03566a8>] (__warn) from [<c1351428>] (warn_slowpath_fmt+0x8c/0xa8)
 5015 12:20:27.742884  # [  127.915996]  r7:0000001c r6:c1a20ffc r5:c1a21038 r4:c595a000
 5016 12:20:27.785486  # [  127.921670] [<c13513a0>] (warn_slowpath_fmt) from [<c087235c>] (refcount_warn_saturate+0x13c/0x174)
 5017 12:20:27.785571  # [  127.930723]  r9:c1acd124 r8:c15e8704 r7:c595bf60 r6:00000020 r5:c6b07000 r4:c595a000
 5018 12:20:27.785638  # [  127.938481] [<c0872220>] (refcount_warn_saturate) from [<c0c3413c>] (__refcount_sub_and_test.constprop.0+0x64/0x6c)
 5019 12:20:27.785700  # [  127.948929] [<c0c340d8>] (__refcount_sub_and_test.constprop.0) from [<c135e920>] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x50/0x88)
 5020 12:20:27.828796  # [  127.960677] [<c135e8d0>] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED) from [<c0c33040>] (lkdtm_do_action+0x2c/0x4c)
 5021 12:20:27.828880  # [  127.970680]  r4:0000003b
 5022 12:20:27.828946  # [  127.973224] [<c0c33014>] (lkdtm_do_action) from [<c0c33540>] (direct_entry+0x120/0x18c)
 5023 12:20:27.829007  # [  127.981243] [<c0c33420>] (direct_entry) from [<c07e0650>] (full_proxy_write+0x64/0x94)
 5024 12:20:27.829066  # [  127.989168]  r9:c595bf60 r8:c5357900 r7:00000020 r6:b6dfd000 r5:c2fd0f00 r4:c0c33420
 5025 12:20:27.829123  # [  127.996928] [<c07e05ec>] (full_proxy_write) from [<c0598d04>] (vfs_write+0x10c/0x524)
 5026 12:20:27.872824  # [  128.004766]  r9:c07e05ec r8:c595bf60 r7:c2816000 r6:b6dfd000 r5:c2fd0f00 r4:00000000
 5027 12:20:27.872908  # [  128.012519] [<c0598bf8>] (vfs_write) from [<c0599298>] (ksys_write+0x74/0xec)
 5028 12:20:27.872975  # [  128.019663]  r10:00000004 r9:00000000 r8:00000000 r7:b6dfd000 r6:c595a000 r5:c2fd0f00
 5029 12:20:27.873036  # [  128.027496]  r4:c2fd0f00
 5030 12:20:27.873095  # [  128.030040] [<c0599224>] (ksys_write) from [<c0599328>] (sys_write+0x18/0x1c)
 5031 12:20:27.873151  # [  128.037184]  r9:c595a000 r8:c03002e4 r7:00000004 r6:b6f44e00 r5:00000020 r4:00000020
 5032 12:20:27.916825  # [  128.044938] [<c0599310>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 5033 12:20:27.916908  # [  128.052512] Exception stack(0xc595bfa8 to 0xc595bff0)
 5034 12:20:27.916975  # [  128.057572] bfa0:                   00000020 00000020 00000001 b6dfd000 00000020 00000000
 5035 12:20:27.917036  # [  128.065761] bfc0: 00000020 00000020 b6f44e00 00000004 00000001 00000000 00020000 beb0ca64
 5036 12:20:27.917096  # [  128.073945] bfe0: 00000004 beb0c798 b6eaf4cf b6e357e6
 5037 12:20:27.917153  # [  128.079059] irq event stamp: 0
 5038 12:20:27.917209  # [  128.082133] hardirqs last  enabled at (0): [<00000000>] 0x0
 5039 12:20:27.960762  # [  128.087750] hardirqs last disabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974
 5040 12:20:27.960846  # [  128.095251] softirqs last  enabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974
 5041 12:20:27.960913  # [  128.102792] softirqs last disabled at (0): [<00000000>] 0x0
 5042 12:20:27.960974  # [  128.108421] ---[ end trace 602be0240ace6265 ]---
 5043 12:20:27.961033  # [  128.113055] lkdtm: Saturation detected: still saturated
 5044 12:20:27.961090  # REFCOUNT_SUB_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok
 5045 12:20:27.961146  ok 58 selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh
 5046 12:20:27.961202  # selftests: lkdtm: REFCOUNT_TIMING.sh
 5047 12:20:28.004816  # Skipping REFCOUNT_TIMING: timing only
 5048 12:20:28.004899  ok 59 selftests: lkdtm: REFCOUNT_TIMING.sh # SKIP
 5049 12:20:28.004966  # selftests: lkdtm: ATOMIC_TIMING.sh
 5050 12:20:28.063261  # Skipping ATOMIC_TIMING: timing only
 5051 12:20:28.079262  ok 60 selftests: lkdtm: ATOMIC_TIMING.sh # SKIP
 5052 12:20:28.095214  # selftests: lkdtm: USERCOPY_HEAP_SIZE_TO.sh
 5053 12:20:28.343643  [  128.913400] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO
 5054 12:20:28.343730  [  128.919637] lkdtm: attempting good copy_to_user of correct size
 5055 12:20:28.343796  [  128.925645] lkdtm: attempting bad copy_to_user of too large size
 5056 12:20:28.470367  # [  128.913400] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO
 5057 12:20:28.470451  # [  128.919637] lkdtm: attempting good copy_to_user of correct size
 5058 12:20:28.470556  # [  128.925645] lkdtm: attempting bad copy_to_user of too large size
 5059 12:20:28.470617  # USERCOPY_HEAP_SIZE_TO: missing 'call trace:': [FAIL]
 5060 12:20:28.494307  not ok 61 selftests: lkdtm: USERCOPY_HEAP_SIZE_TO.sh # exit=1
 5061 12:20:28.510328  # selftests: lkdtm: USERCOPY_HEAP_SIZE_FROM.sh
 5062 12:20:28.757735  [  129.327464] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM
 5063 12:20:28.757825  [  129.333680] lkdtm: attempting good copy_from_user of correct size
 5064 12:20:28.757893  [  129.340039] lkdtm: attempting bad copy_from_user of too large size
 5065 12:20:28.889495  # [  129.327464] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM
 5066 12:20:28.889580  # [  129.333680] lkdtm: attempting good copy_from_user of correct size
 5067 12:20:28.889646  # [  129.340039] lkdtm: attempting bad copy_from_user of too large size
 5068 12:20:28.889707  # USERCOPY_HEAP_SIZE_FROM: missing 'call trace:': [FAIL]
 5069 12:20:28.914408  not ok 62 selftests: lkdtm: USERCOPY_HEAP_SIZE_FROM.sh # exit=1
 5070 12:20:28.930385  # selftests: lkdtm: USERCOPY_HEAP_WHITELIST_TO.sh
 5071 12:20:29.177866  [  129.747884] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO
 5072 12:20:29.177969  [  129.754378] lkdtm: attempting good copy_to_user inside whitelist
 5073 12:20:29.178065  [  129.760538] lkdtm: attempting bad copy_to_user outside whitelist
 5074 12:20:29.312522  # [  129.747884] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO
 5075 12:20:29.312621  # [  129.754378] lkdtm: attempting good copy_to_user inside whitelist
 5076 12:20:29.312743  # [  129.760538] lkdtm: attempting bad copy_to_user outside whitelist
 5077 12:20:29.312836  # USERCOPY_HEAP_WHITELIST_TO: missing 'call trace:': [FAIL]
 5078 12:20:29.339452  not ok 63 selftests: lkdtm: USERCOPY_HEAP_WHITELIST_TO.sh # exit=1
 5079 12:20:29.355436  # selftests: lkdtm: USERCOPY_HEAP_WHITELIST_FROM.sh
 5080 12:20:29.599863  [  130.170643] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM
 5081 12:20:29.599964  [  130.177365] lkdtm: attempting good copy_from_user inside whitelist
 5082 12:20:29.600059  [  130.183570] lkdtm: attempting bad copy_from_user outside whitelist
 5083 12:20:29.738542  # [  130.170643] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM
 5084 12:20:29.738628  # [  130.177365] lkdtm: attempting good copy_from_user inside whitelist
 5085 12:20:29.738694  # [  130.183570] lkdtm: attempting bad copy_from_user outside whitelist
 5086 12:20:29.738756  # USERCOPY_HEAP_WHITELIST_FROM: missing 'call trace:': [FAIL]
 5087 12:20:29.764489  not ok 64 selftests: lkdtm: USERCOPY_HEAP_WHITELIST_FROM.sh # exit=1
 5088 12:20:29.780438  # selftests: lkdtm: USERCOPY_STACK_FRAME_TO.sh
 5089 12:20:30.041874  [  130.603405] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO
 5090 12:20:30.041961  [  130.609769] lkdtm: good_stack: c478fe0c-c478fe2c
 5091 12:20:30.042027  [  130.614428] lkdtm: bad_stack : c478fd84-c478fda4
 5092 12:20:30.042088  [  130.619176] lkdtm: attempting good copy_to_user of local stack
 5093 12:20:30.042148  [  130.625066] lkdtm: attempting bad copy_to_user of distant stack
 5094 12:20:30.179526  # [  130.603405] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO
 5095 12:20:30.179610  # [  130.609769] lkdtm: good_stack: c478fe0c-c478fe2c
 5096 12:20:30.179677  # [  130.614428] lkdtm: bad_stack : c478fd84-c478fda4
 5097 12:20:30.179740  # [  130.619176] lkdtm: attempting good copy_to_user of local stack
 5098 12:20:30.179800  # [  130.625066] lkdtm: attempting bad copy_to_user of distant stack
 5099 12:20:30.179857  # USERCOPY_STACK_FRAME_TO: missing 'call trace:': [FAIL]
 5100 12:20:30.195509  not ok 65 selftests: lkdtm: USERCOPY_STACK_FRAME_TO.sh # exit=1
 5101 12:20:30.211468  # selftests: lkdtm: USERCOPY_STACK_FRAME_FROM.sh
 5102 12:20:30.472093  [  131.031395] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM
 5103 12:20:30.472286  [  131.037830] lkdtm: good_stack: c6b41e0c-c6b41e2c
 5104 12:20:30.472387  [  131.042464] lkdtm: bad_stack : c6b41d84-c6b41da4
 5105 12:20:30.472476  [  131.047296] lkdtm: attempting good copy_from_user of local stack
 5106 12:20:30.472562  [  131.053409] lkdtm: attempting bad copy_from_user of distant stack
 5107 12:20:30.610430  # [  131.031395] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM
 5108 12:20:30.611021  # [  131.037830] lkdtm: good_stack: c6b41e0c-c6b41e2c
 5109 12:20:30.611416  # [  131.042464] lkdtm: bad_stack : c6b41d84-c6b41da4
 5110 12:20:30.611776  # [  131.047296] lkdtm: attempting good copy_from_user of local stack
 5111 12:20:30.612128  # [  131.053409] lkdtm: attempting bad copy_from_user of distant stack
 5112 12:20:30.612465  # USERCOPY_STACK_FRAME_FROM: missing 'call trace:': [FAIL]
 5113 12:20:30.635429  not ok 66 selftests: lkdtm: USERCOPY_STACK_FRAME_FROM.sh # exit=1
 5114 12:20:30.651436  # selftests: lkdtm: USERCOPY_STACK_BEYOND.sh
 5115 12:20:30.936419  [  131.495350] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND
 5116 12:20:30.936606  [  131.501457] lkdtm: good_stack: c6be7e0c-c6be7e2c
 5117 12:20:30.936707  [  131.506093] lkdtm: bad_stack : c6be7ffc-c6be801c
 5118 12:20:30.936793  [  131.510860] lkdtm: attempting good copy_to_user of local stack
 5119 12:20:30.936873  [  131.516850] lkdtm: attempting bad copy_to_user of distant stack
 5120 12:20:31.076480  # [  131.495350] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND
 5121 12:20:31.077101  # [  131.501457] lkdtm: good_stack: c6be7e0c-c6be7e2c
 5122 12:20:31.077494  # [  131.506093] lkdtm: bad_stack : c6be7ffc-c6be801c
 5123 12:20:31.077858  # [  131.510860] lkdtm: attempting good copy_to_user of local stack
 5124 12:20:31.078207  # [  131.516850] lkdtm: attempting bad copy_to_user of distant stack
 5125 12:20:31.078546  # USERCOPY_STACK_BEYOND: missing 'call trace:': [FAIL]
 5126 12:20:31.100398  not ok 67 selftests: lkdtm: USERCOPY_STACK_BEYOND.sh # exit=1
 5127 12:20:31.116366  # selftests: lkdtm: USERCOPY_KERNEL.sh
 5128 12:20:31.384544  [  131.949124] lkdtm: Performing direct entry USERCOPY_KERNEL
 5129 12:20:31.385122  [  131.954645] lkdtm: attempting good copy_to_user from kernel rodata: c15e89b0
 5130 12:20:31.385479  [  131.961939] lkdtm: attempting bad copy_to_user from kernel text: c053a588
 5131 12:20:31.385806  [  131.968824] lkdtm: FAIL: survived bad copy_to_user()
 5132 12:20:31.521512  # [  131.949124] lkdtm: Performing direct entry USERCOPY_KERNEL
 5133 12:20:31.522054  # [  131.954645] lkdtm: attempting good copy_to_user from kernel rodata: c15e89b0
 5134 12:20:31.522414  # [  131.961939] lkdtm: attempting bad copy_to_user from kernel text: c053a588
 5135 12:20:31.522740  # [  131.968824] lkdtm: FAIL: survived bad copy_to_user()
 5136 12:20:31.523053  # USERCOPY_KERNEL: missing 'call trace:': [FAIL]
 5137 12:20:31.537447  not ok 68 selftests: lkdtm: USERCOPY_KERNEL.sh # exit=1
 5138 12:20:31.553240  # selftests: lkdtm: STACKLEAK_ERASING.sh
 5139 12:20:31.862424  [  132.420432] lkdtm: Performing direct entry STACKLEAK_ERASING
 5140 12:20:31.862972  [  132.426116] lkdtm: checking unused part of the thread stack (7732 bytes)...
 5141 12:20:31.863332  [  132.433213] lkdtm: FAIL: the erased part is not found (checked 7732 bytes)
 5142 12:20:31.863660  [  132.440207] lkdtm: FAIL: the thread stack is NOT properly erased
 5143 12:20:31.863975  [  132.446256] CPU: 3 PID: 3616 Comm: cat Tainted: G      D W         5.10.162-cip23 #1
 5144 12:20:31.864284  [  132.454007] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 5145 12:20:31.864586  [  132.460540] Backtrace: 
 5146 12:20:31.905910  [  132.463016] [<c134ff48>] (dump_backtrace) from [<c1350308>] (show_stack+0x20/0x24)
 5147 12:20:31.906460  [  132.470594]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6f8
 5148 12:20:31.906816  [  132.476267] [<c13502e8>] (show_stack) from [<c13574fc>] (dump_stack+0xe0/0x100)
 5149 12:20:31.907148  [  132.483588] [<c135741c>] (dump_stack) from [<c135ec08>] (lkdtm_STACKLEAK_ERASING+0x148/0x174)
 5150 12:20:31.907467  [  132.492122]  r9:c1acd22c r8:c15e8704 r7:c4731f60 r6:c4731e34 r5:c4730000 r4:0000078d
 5151 12:20:31.949017  [  132.499877] [<c135eac0>] (lkdtm_STACKLEAK_ERASING) from [<c0c33040>] (lkdtm_do_action+0x2c/0x4c)
 5152 12:20:31.949566  [  132.508670]  r8:c15e8704 r7:c4731f60 r6:00000012 r5:c6b07000 r4:00000046
 5153 12:20:31.949925  [  132.515381] [<c0c33014>] (lkdtm_do_action) from [<c0c33540>] (direct_entry+0x120/0x18c)
 5154 12:20:31.950252  [  132.523398] [<c0c33420>] (direct_entry) from [<c07e0650>] (full_proxy_write+0x64/0x94)
 5155 12:20:31.950569  [  132.531323]  r9:c4731f60 r8:c5357900 r7:00000012 r6:b6e9e000 r5:c5810780 r4:c0c33420
 5156 12:20:31.950878  [  132.539083] [<c07e05ec>] (full_proxy_write) from [<c0598d04>] (vfs_write+0x10c/0x524)
 5157 12:20:31.992267  [  132.546922]  r9:c07e05ec r8:c4731f60 r7:c2816000 r6:b6e9e000 r5:c5810780 r4:00000000
 5158 12:20:31.992841  [  132.554675] [<c0598bf8>] (vfs_write) from [<c0599298>] (ksys_write+0x74/0xec)
 5159 12:20:31.993200  [  132.561820]  r10:00000004 r9:00000000 r8:00000000 r7:b6e9e000 r6:c4730000 r5:c5810780
 5160 12:20:31.993529  [  132.569652]  r4:c5810780
 5161 12:20:31.993844  [  132.572196] [<c0599224>] (ksys_write) from [<c0599328>] (sys_write+0x18/0x1c)
 5162 12:20:31.994150  [  132.579339]  r9:c4730000 r8:c03002e4 r7:00000004 r6:b6fe5e00 r5:00000012 r4:00000012
 5163 12:20:32.034407  [  132.587094] [<c0599310>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 5164 12:20:32.034951  [  132.594669] Exception stack(0xc4731fa8 to 0xc4731ff0)
 5165 12:20:32.035312  [  132.599729] 1fa0:                   00000012 00000012 00000001 b6e9e000 00000012 00000000
 5166 12:20:32.035642  [  132.607916] 1fc0: 00000012 00000012 b6fe5e00 00000004 00000001 00000000 00020000 be9e0a64
 5167 12:20:32.035958  [  132.616100] 1fe0: 00000004 be9e0798 b6f504cf b6ed67e6
 5168 12:20:32.167418  # [  132.420432] lkdtm: Performing direct entry STACKLEAK_ERASING
 5169 12:20:32.167960  # [  132.426116] lkdtm: checking unused part of the thread stack (7732 bytes)...
 5170 12:20:32.168315  # [  132.433213] lkdtm: FAIL: the erased part is not found (checked 7732 bytes)
 5171 12:20:32.168644  # [  132.440207] lkdtm: FAIL: the thread stack is NOT properly erased
 5172 12:20:32.168980  # [  132.446256] CPU: 3 PID: 3616 Comm: cat Tainted: G      D W         5.10.162-cip23 #1
 5173 12:20:32.169291  # [  132.454007] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 5174 12:20:32.210193  # [  132.460540] Backtrace: 
 5175 12:20:32.210353  # [  132.463016] [<c134ff48>] (dump_backtrace) from [<c1350308>] (show_stack+0x20/0x24)
 5176 12:20:32.210420  # [  132.470594]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f6f8
 5177 12:20:32.210482  # [  132.476267] [<c13502e8>] (show_stack) from [<c13574fc>] (dump_stack+0xe0/0x100)
 5178 12:20:32.210543  # [  132.483588] [<c135741c>] (dump_stack) from [<c135ec08>] (lkdtm_STACKLEAK_ERASING+0x148/0x174)
 5179 12:20:32.210603  # [  132.492122]  r9:c1acd22c r8:c15e8704 r7:c4731f60 r6:c4731e34 r5:c4730000 r4:0000078d
 5180 12:20:32.253180  # [  132.499877] [<c135eac0>] (lkdtm_STACKLEAK_ERASING) from [<c0c33040>] (lkdtm_do_action+0x2c/0x4c)
 5181 12:20:32.253389  # [  132.508670]  r8:c15e8704 r7:c4731f60 r6:00000012 r5:c6b07000 r4:00000046
 5182 12:20:32.253495  # [  132.515381] [<c0c33014>] (lkdtm_do_action) from [<c0c33540>] (direct_entry+0x120/0x18c)
 5183 12:20:32.253593  # [  132.523398] [<c0c33420>] (direct_entry) from [<c07e0650>] (full_proxy_write+0x64/0x94)
 5184 12:20:32.253689  # [  132.531323]  r9:c4731f60 r8:c5357900 r7:00000012 r6:b6e9e000 r5:c5810780 r4:c0c33420
 5185 12:20:32.253781  # [  132.539083] [<c07e05ec>] (full_proxy_write) from [<c0598d04>] (vfs_write+0x10c/0x524)
 5186 12:20:32.296877  # [  132.546922]  r9:c07e05ec r8:c4731f60 r7:c2816000 r6:b6e9e000 r5:c5810780 r4:00000000
 5187 12:20:32.297422  # [  132.554675] [<c0598bf8>] (vfs_write) from [<c0599298>] (ksys_write+0x74/0xec)
 5188 12:20:32.297781  # [  132.561820]  r10:00000004 r9:00000000 r8:00000000 r7:b6e9e000 r6:c4730000 r5:c5810780
 5189 12:20:32.298108  # [  132.569652]  r4:c5810780
 5190 12:20:32.298416  # [  132.572196] [<c0599224>] (ksys_write) from [<c0599328>] (sys_write+0x18/0x1c)
 5191 12:20:32.298720  # [  132.579339]  r9:c4730000 r8:c03002e4 r7:00000004 r6:b6fe5e00 r5:00000012 r4:00000012
 5192 12:20:32.339895  # [  132.587094] [<c0599310>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 5193 12:20:32.340445  # [  132.594669] Exception stack(0xc4731fa8 to 0xc4731ff0)
 5194 12:20:32.340834  # [  132.599729] 1fa0:                   00000012 00000012 00000001 b6e9e000 00000012 00000000
 5195 12:20:32.341168  # [  132.607916] 1fc0: 00000012 00000012 b6fe5e00 00000004 00000001 00000000 00020000 be9e0a64
 5196 12:20:32.341484  # [  132.616100] 1fe0: 00000004 be9e0798 b6f504cf b6ed67e6
 5197 12:20:32.341791  # STACKLEAK_ERASING: missing 'OK: the rest of the thread stack is properly erased': [FAIL]
 5198 12:20:32.360369  not ok 69 selftests: lkdtm: STACKLEAK_ERASING.sh # exit=1
 5199 12:20:32.360963  # selftests: lkdtm: CFI_FORWARD_PROTO.sh
 5200 12:20:32.502247  [  133.066298] lkdtm: Performing direct entry CFI_FORWARD_PROTO
 5201 12:20:32.502786  [  133.072065] lkdtm: Calling matched prototype ...
 5202 12:20:32.503138  [  133.076790] lkdtm: Calling mismatched prototype ...
 5203 12:20:32.503461  [  133.081684] lkdtm: Fail: survived mismatched prototype function call!
 5204 12:20:32.629756  # [  133.066298] lkdtm: Performing direct entry CFI_FORWARD_PROTO
 5205 12:20:32.630304  # [  133.072065] lkdtm: Calling matched prototype ...
 5206 12:20:32.630659  # [  133.076790] lkdtm: Calling mismatched prototype ...
 5207 12:20:32.630984  # [  133.081684] lkdtm: Fail: survived mismatched prototype function call!
 5208 12:20:32.645934  # CFI_FORWARD_PROTO: missing 'call trace:': [FAIL]
 5209 12:20:32.661526  not ok 70 selftests: lkdtm: CFI_FORWARD_PROTO.sh # exit=1
 5210 12:20:32.716548  /lava-8570582/0/tests/1_kselftest-lkdtm
 5211 12:20:32.717120  ./kselftest.sh: 131: ./parse-output.py: not found
 5212 12:20:32.717486  + ../../utils/send-to-lava.sh ./output/result.txt
 5213 12:20:32.853136  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=breakpoints:step_after_suspend_test RESULT=skip>
 5214 12:20:32.854044  Received signal: <TESTCASE> TEST_CASE_ID=breakpoints:step_after_suspend_test RESULT=skip
 5216 12:20:32.958957  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=ftrace:ftracetest RESULT=skip>
 5217 12:20:32.959767  Received signal: <TESTCASE> TEST_CASE_ID=ftrace:ftracetest RESULT=skip
 5219 12:20:33.066818  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=net:rtnetlink.sh RESULT=skip>
 5220 12:20:33.067620  Received signal: <TESTCASE> TEST_CASE_ID=net:rtnetlink.sh RESULT=skip
 5222 12:20:33.162477  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=net:tls RESULT=skip>
 5223 12:20:33.163272  Received signal: <TESTCASE> TEST_CASE_ID=net:tls RESULT=skip
 5225 12:20:33.289286  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=netfilter:bridge_brouter.sh RESULT=skip>
 5226 12:20:33.290084  Received signal: <TESTCASE> TEST_CASE_ID=netfilter:bridge_brouter.sh RESULT=skip
 5228 12:20:33.395109  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=netfilter:nft_flowtable.sh RESULT=skip>
 5229 12:20:33.395908  Received signal: <TESTCASE> TEST_CASE_ID=netfilter:nft_flowtable.sh RESULT=skip
 5231 12:20:33.511739  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=netfilter:nft_trans_stress.sh RESULT=skip>
 5232 12:20:33.512542  Received signal: <TESTCASE> TEST_CASE_ID=netfilter:nft_trans_stress.sh RESULT=skip
 5234 12:20:33.620897  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=pidfd:pidfd_wait RESULT=skip>
 5235 12:20:33.621438  + set +x
 5236 12:20:33.621796  <LAVA_SIGNAL_ENDRUN 1_kselftest-lkdtm 8570582_1.6.2.4.5>
 5237 12:20:33.622124  <LAVA_TEST_RUNNER EXIT>
 5238 12:20:33.622701  Received signal: <TESTCASE> TEST_CASE_ID=pidfd:pidfd_wait RESULT=skip
 5240 12:20:33.623722  Received signal: <ENDRUN> 1_kselftest-lkdtm 8570582_1.6.2.4.5
 5241 12:20:33.624085  Ending use of test pattern.
 5242 12:20:33.624408  Ending test lava.1_kselftest-lkdtm (8570582_1.6.2.4.5), duration 80.24
 5244 12:20:33.625548  ok: lava_test_shell seems to have completed
 5245 12:20:33.626261  breakpoints:step_after_suspend_test: skip
ftrace:ftracetest: skip
net:rtnetlink.sh: skip
net:tls: skip
netfilter:bridge_brouter.sh: skip
netfilter:nft_flowtable.sh: skip
netfilter:nft_trans_stress.sh: skip
pidfd:pidfd_wait: skip

 5246 12:20:33.626708  end: 3.1 lava-test-shell (duration 00:01:22) [common]
 5247 12:20:33.627145  end: 3 lava-test-retry (duration 00:01:22) [common]
 5248 12:20:33.627592  start: 4 finalize (timeout 00:06:22) [common]
 5249 12:20:33.628063  start: 4.1 power-off (timeout 00:00:30) [common]
 5250 12:20:33.628754  Calling: 'nice' 'pduclient' '--daemon=localhost' '--hostname=eth8020-0' '--port=2' '--command=off'
 5251 12:20:33.654053  >> Command sent successfully.

 5252 12:20:33.655789  Returned 0 in 0 seconds
 5253 12:20:33.757171  end: 4.1 power-off (duration 00:00:00) [common]
 5255 12:20:33.758597  start: 4.2 read-feedback (timeout 00:06:22) [common]
 5256 12:20:33.759643  Listened to connection for namespace 'common' for up to 1s
 5257 12:20:34.764551  Finalising connection for namespace 'common'
 5258 12:20:34.765276  Disconnecting from shell: Finalise
 5259 12:20:34.765696  / # 
 5260 12:20:34.867288  end: 4.2 read-feedback (duration 00:00:01) [common]
 5261 12:20:34.867982  end: 4 finalize (duration 00:00:01) [common]
 5262 12:20:34.868567  Cleaning after the job
 5263 12:20:34.869064  Cleaning up download directory: /var/lib/lava/dispatcher/tmp/8570582/tftp-deploy-m1t52ubc/ramdisk
 5264 12:20:34.870898  Cleaning up download directory: /var/lib/lava/dispatcher/tmp/8570582/tftp-deploy-m1t52ubc/kernel
 5265 12:20:34.871727  Cleaning up download directory: /var/lib/lava/dispatcher/tmp/8570582/tftp-deploy-m1t52ubc/dtb
 5266 12:20:34.871852  Cleaning up download directory: /var/lib/lava/dispatcher/tmp/8570582/tftp-deploy-m1t52ubc/nfsrootfs
 5267 12:20:34.904662  Cleaning up download directory: /var/lib/lava/dispatcher/tmp/8570582/tftp-deploy-m1t52ubc/modules
 5268 12:20:34.906802  Override tmp directory removed at /var/lib/lava/dispatcher/tmp/8570582
 5269 12:20:35.085590  Root tmp directory removed at /var/lib/lava/dispatcher/tmp/8570582
 5270 12:20:35.085766  Job finished correctly