Boot log: imx6q-sabrelite

    1 18:41:19.516562  lava-dispatcher, installed at version: 2022.11
    2 18:41:19.516977  start: 0 validate
    3 18:41:19.517296  Start time: 2023-02-25 18:41:19.517273+00:00 (UTC)
    4 18:41:19.517602  Using caching service: 'http://localhost/cache/?uri=%s'
    5 18:41:19.517954  Validating that http://localhost/cache/?uri=http%3A%2F%2Fstorage.kernelci.org%2Fimages%2Frootfs%2Fdebian%2Fbullseye-kselftest%2F20230217.0%2Farmhf%2Finitrd.cpio.gz exists
    6 18:41:19.811962  Using caching service: 'http://localhost/cache/?uri=%s'
    7 18:41:19.812374  Validating that http://localhost/cache/?uri=http%3A%2F%2Fstorage.kernelci.org%2Fcip-gitlab%2Fci-iwamatsu-linux-5.10.y-cip-rc%2Fv5.10.168-cip27-86-g19cf8cd2dd993%2Farm%2Fmulti_v7_defconfig%2Bkselftest%2Fgcc-10%2Fkernel%2FzImage exists
    8 18:41:20.113785  Using caching service: 'http://localhost/cache/?uri=%s'
    9 18:41:20.114195  Validating that http://localhost/cache/?uri=http%3A%2F%2Fstorage.kernelci.org%2Fcip-gitlab%2Fci-iwamatsu-linux-5.10.y-cip-rc%2Fv5.10.168-cip27-86-g19cf8cd2dd993%2Farm%2Fmulti_v7_defconfig%2Bkselftest%2Fgcc-10%2Fdtbs%2Fimx6q-sabrelite.dtb exists
   10 18:41:20.407153  Using caching service: 'http://localhost/cache/?uri=%s'
   11 18:41:20.407833  Validating that http://localhost/cache/?uri=http%3A%2F%2Fstorage.kernelci.org%2Fimages%2Frootfs%2Fdebian%2Fbullseye-kselftest%2F20230217.0%2Farmhf%2Ffull.rootfs.tar.xz exists
   12 18:41:20.697410  Using caching service: 'http://localhost/cache/?uri=%s'
   13 18:41:20.698204  Validating that http://localhost/cache/?uri=http%3A%2F%2Fstorage.kernelci.org%2Fcip-gitlab%2Fci-iwamatsu-linux-5.10.y-cip-rc%2Fv5.10.168-cip27-86-g19cf8cd2dd993%2Farm%2Fmulti_v7_defconfig%2Bkselftest%2Fgcc-10%2Fmodules.tar.xz exists
   14 18:41:20.994670  validate duration: 1.48
   16 18:41:20.995865  start: 1 tftp-deploy (timeout 00:10:00) [common]
   17 18:41:20.996381  start: 1.1 download-retry (timeout 00:10:00) [common]
   18 18:41:20.996786  start: 1.1.1 http-download (timeout 00:10:00) [common]
   19 18:41:20.997236  Not decompressing ramdisk as can be used compressed.
   20 18:41:20.997694  downloading http://storage.kernelci.org/images/rootfs/debian/bullseye-kselftest/20230217.0/armhf/initrd.cpio.gz
   21 18:41:20.997998  saving as /var/lib/lava/dispatcher/tmp/9334776/tftp-deploy-ew5pbo2m/ramdisk/initrd.cpio.gz
   22 18:41:20.998298  total size: 4020228 (3MB)
   23 18:41:21.001745  progress   0% (0MB)
   24 18:41:21.005007  progress   5% (0MB)
   25 18:41:21.008019  progress  10% (0MB)
   26 18:41:21.011002  progress  15% (0MB)
   27 18:41:21.013972  progress  20% (0MB)
   28 18:41:21.017021  progress  25% (0MB)
   29 18:41:21.019981  progress  30% (1MB)
   30 18:41:21.022985  progress  35% (1MB)
   31 18:41:21.026249  progress  40% (1MB)
   32 18:41:21.029142  progress  45% (1MB)
   33 18:41:21.032022  progress  50% (1MB)
   34 18:41:21.034876  progress  55% (2MB)
   35 18:41:21.037744  progress  60% (2MB)
   36 18:41:21.040611  progress  65% (2MB)
   37 18:41:21.043461  progress  70% (2MB)
   38 18:41:21.046812  progress  75% (2MB)
   39 18:41:21.049685  progress  80% (3MB)
   40 18:41:21.052591  progress  85% (3MB)
   41 18:41:21.055526  progress  90% (3MB)
   42 18:41:21.058410  progress  95% (3MB)
   43 18:41:21.061333  progress 100% (3MB)
   44 18:41:21.061981  3MB downloaded in 0.06s (60.21MB/s)
   45 18:41:21.062369  end: 1.1.1 http-download (duration 00:00:00) [common]
   47 18:41:21.063077  end: 1.1 download-retry (duration 00:00:00) [common]
   48 18:41:21.063337  start: 1.2 download-retry (timeout 00:10:00) [common]
   49 18:41:21.063594  start: 1.2.1 http-download (timeout 00:10:00) [common]
   50 18:41:21.063945  downloading http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.168-cip27-86-g19cf8cd2dd993/arm/multi_v7_defconfig+kselftest/gcc-10/kernel/zImage
   51 18:41:21.064147  saving as /var/lib/lava/dispatcher/tmp/9334776/tftp-deploy-ew5pbo2m/kernel/zImage
   52 18:41:21.064339  total size: 12345856 (11MB)
   53 18:41:21.064530  No compression specified
   54 18:41:23.067833  progress   0% (0MB)
   55 18:41:23.080062  progress   5% (0MB)
   56 18:41:23.089244  progress  10% (1MB)
   57 18:41:23.098150  progress  15% (1MB)
   58 18:41:23.106981  progress  20% (2MB)
   59 18:41:23.115772  progress  25% (2MB)
   60 18:41:23.124615  progress  30% (3MB)
   61 18:41:23.133090  progress  35% (4MB)
   62 18:41:23.141825  progress  40% (4MB)
   63 18:41:23.150678  progress  45% (5MB)
   64 18:41:23.159516  progress  50% (5MB)
   65 18:41:23.168174  progress  55% (6MB)
   66 18:41:23.176937  progress  60% (7MB)
   67 18:41:23.185196  progress  65% (7MB)
   68 18:41:23.193831  progress  70% (8MB)
   69 18:41:23.202428  progress  75% (8MB)
   70 18:41:23.211025  progress  80% (9MB)
   71 18:41:23.219607  progress  85% (10MB)
   72 18:41:23.228204  progress  90% (10MB)
   73 18:41:23.236343  progress  95% (11MB)
   74 18:41:23.244999  progress 100% (11MB)
   75 18:41:23.245708  11MB downloaded in 2.18s (5.40MB/s)
   76 18:41:23.246106  end: 1.2.1 http-download (duration 00:00:02) [common]
   78 18:41:23.246826  end: 1.2 download-retry (duration 00:00:02) [common]
   79 18:41:23.247092  start: 1.3 download-retry (timeout 00:09:58) [common]
   80 18:41:23.247355  start: 1.3.1 http-download (timeout 00:09:58) [common]
   81 18:41:23.247728  downloading http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.168-cip27-86-g19cf8cd2dd993/arm/multi_v7_defconfig+kselftest/gcc-10/dtbs/imx6q-sabrelite.dtb
   82 18:41:23.247931  saving as /var/lib/lava/dispatcher/tmp/9334776/tftp-deploy-ew5pbo2m/dtb/imx6q-sabrelite.dtb
   83 18:41:23.248121  total size: 42449 (0MB)
   84 18:41:23.248312  No compression specified
   85 18:41:23.251242  progress  77% (0MB)
   86 18:41:23.251970  progress 100% (0MB)
   87 18:41:23.252548  0MB downloaded in 0.00s (9.16MB/s)
   88 18:41:23.252896  end: 1.3.1 http-download (duration 00:00:00) [common]
   90 18:41:23.253574  end: 1.3 download-retry (duration 00:00:00) [common]
   91 18:41:23.253834  start: 1.4 download-retry (timeout 00:09:58) [common]
   92 18:41:23.254090  start: 1.4.1 http-download (timeout 00:09:58) [common]
   93 18:41:23.254404  downloading http://storage.kernelci.org/images/rootfs/debian/bullseye-kselftest/20230217.0/armhf/full.rootfs.tar.xz
   94 18:41:23.254623  saving as /var/lib/lava/dispatcher/tmp/9334776/tftp-deploy-ew5pbo2m/nfsrootfs/full.rootfs.tar
   95 18:41:23.254820  total size: 195796220 (186MB)
   96 18:41:23.255013  Using unxz to decompress xz
   97 18:41:23.263143  progress   0% (0MB)
   98 18:41:24.332355  progress   5% (9MB)
   99 18:41:25.394458  progress  10% (18MB)
  100 18:41:26.561595  progress  15% (28MB)
  101 18:41:27.358942  progress  20% (37MB)
  102 18:41:27.928908  progress  25% (46MB)
  103 18:41:29.089907  progress  30% (56MB)
  104 18:41:30.174179  progress  35% (65MB)
  105 18:41:31.310299  progress  40% (74MB)
  106 18:41:32.416829  progress  45% (84MB)
  107 18:41:33.578320  progress  50% (93MB)
  108 18:41:34.801235  progress  55% (102MB)
  109 18:41:36.123626  progress  60% (112MB)
  110 18:41:36.362031  progress  65% (121MB)
  111 18:41:36.669275  progress  70% (130MB)
  112 18:41:36.864011  progress  75% (140MB)
  113 18:41:37.024442  progress  80% (149MB)
  114 18:41:37.180193  progress  85% (158MB)
  115 18:41:37.388996  progress  90% (168MB)
  116 18:41:38.022658  progress  95% (177MB)
  117 18:41:39.184752  progress 100% (186MB)
  118 18:41:39.194605  186MB downloaded in 15.94s (11.71MB/s)
  119 18:41:39.195475  end: 1.4.1 http-download (duration 00:00:16) [common]
  121 18:41:39.196475  end: 1.4 download-retry (duration 00:00:16) [common]
  122 18:41:39.196852  start: 1.5 download-retry (timeout 00:09:42) [common]
  123 18:41:39.197229  start: 1.5.1 http-download (timeout 00:09:42) [common]
  124 18:41:39.197782  downloading http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.168-cip27-86-g19cf8cd2dd993/arm/multi_v7_defconfig+kselftest/gcc-10/modules.tar.xz
  125 18:41:39.198093  saving as /var/lib/lava/dispatcher/tmp/9334776/tftp-deploy-ew5pbo2m/modules/modules.tar
  126 18:41:39.198365  total size: 7489856 (7MB)
  127 18:41:39.198663  Using unxz to decompress xz
  128 18:41:39.497952  progress   0% (0MB)
  129 18:41:39.539753  progress   5% (0MB)
  130 18:41:39.582048  progress  10% (0MB)
  131 18:41:39.621012  progress  15% (1MB)
  132 18:41:39.665967  progress  20% (1MB)
  133 18:41:39.711544  progress  25% (1MB)
  134 18:41:39.760348  progress  30% (2MB)
  135 18:41:39.804706  progress  35% (2MB)
  136 18:41:39.845339  progress  40% (2MB)
  137 18:41:39.886332  progress  45% (3MB)
  138 18:41:39.931022  progress  50% (3MB)
  139 18:41:39.972384  progress  55% (3MB)
  140 18:41:40.015461  progress  60% (4MB)
  141 18:41:40.055385  progress  65% (4MB)
  142 18:41:40.100729  progress  70% (5MB)
  143 18:41:40.141962  progress  75% (5MB)
  144 18:41:40.185829  progress  80% (5MB)
  145 18:41:40.230509  progress  85% (6MB)
  146 18:41:40.272460  progress  90% (6MB)
  147 18:41:40.316328  progress  95% (6MB)
  148 18:41:40.357640  progress 100% (7MB)
  149 18:41:40.368737  7MB downloaded in 1.17s (6.10MB/s)
  150 18:41:40.369681  end: 1.5.1 http-download (duration 00:00:01) [common]
  152 18:41:40.370729  end: 1.5 download-retry (duration 00:00:01) [common]
  153 18:41:40.371105  start: 1.6 prepare-tftp-overlay (timeout 00:09:41) [common]
  154 18:41:40.371522  start: 1.6.1 extract-nfsrootfs (timeout 00:09:41) [common]
  155 18:41:55.530727  Extracted nfsroot to /var/lib/lava/dispatcher/tmp/9334776/extract-nfsrootfs-s2epve10
  156 18:41:55.531230  end: 1.6.1 extract-nfsrootfs (duration 00:00:15) [common]
  157 18:41:55.531497  start: 1.6.2 lava-overlay (timeout 00:09:25) [common]
  158 18:41:55.532020  [common] Preparing overlay tarball in /var/lib/lava/dispatcher/tmp/9334776/lava-overlay-k9it88ti
  159 18:41:55.532379  makedir: /var/lib/lava/dispatcher/tmp/9334776/lava-overlay-k9it88ti/lava-9334776/bin
  160 18:41:55.532669  makedir: /var/lib/lava/dispatcher/tmp/9334776/lava-overlay-k9it88ti/lava-9334776/tests
  161 18:41:55.532954  makedir: /var/lib/lava/dispatcher/tmp/9334776/lava-overlay-k9it88ti/lava-9334776/results
  162 18:41:55.533261  Creating /var/lib/lava/dispatcher/tmp/9334776/lava-overlay-k9it88ti/lava-9334776/bin/lava-add-keys
  163 18:41:55.533717  Creating /var/lib/lava/dispatcher/tmp/9334776/lava-overlay-k9it88ti/lava-9334776/bin/lava-add-sources
  164 18:41:55.534120  Creating /var/lib/lava/dispatcher/tmp/9334776/lava-overlay-k9it88ti/lava-9334776/bin/lava-background-process-start
  165 18:41:55.534518  Creating /var/lib/lava/dispatcher/tmp/9334776/lava-overlay-k9it88ti/lava-9334776/bin/lava-background-process-stop
  166 18:41:55.534939  Creating /var/lib/lava/dispatcher/tmp/9334776/lava-overlay-k9it88ti/lava-9334776/bin/lava-common-functions
  167 18:41:55.535328  Creating /var/lib/lava/dispatcher/tmp/9334776/lava-overlay-k9it88ti/lava-9334776/bin/lava-echo-ipv4
  168 18:41:55.535734  Creating /var/lib/lava/dispatcher/tmp/9334776/lava-overlay-k9it88ti/lava-9334776/bin/lava-install-packages
  169 18:41:55.536133  Creating /var/lib/lava/dispatcher/tmp/9334776/lava-overlay-k9it88ti/lava-9334776/bin/lava-installed-packages
  170 18:41:55.536519  Creating /var/lib/lava/dispatcher/tmp/9334776/lava-overlay-k9it88ti/lava-9334776/bin/lava-os-build
  171 18:41:55.536911  Creating /var/lib/lava/dispatcher/tmp/9334776/lava-overlay-k9it88ti/lava-9334776/bin/lava-probe-channel
  172 18:41:55.537304  Creating /var/lib/lava/dispatcher/tmp/9334776/lava-overlay-k9it88ti/lava-9334776/bin/lava-probe-ip
  173 18:41:55.537697  Creating /var/lib/lava/dispatcher/tmp/9334776/lava-overlay-k9it88ti/lava-9334776/bin/lava-target-ip
  174 18:41:55.538082  Creating /var/lib/lava/dispatcher/tmp/9334776/lava-overlay-k9it88ti/lava-9334776/bin/lava-target-mac
  175 18:41:55.538467  Creating /var/lib/lava/dispatcher/tmp/9334776/lava-overlay-k9it88ti/lava-9334776/bin/lava-target-storage
  176 18:41:55.538951  Creating /var/lib/lava/dispatcher/tmp/9334776/lava-overlay-k9it88ti/lava-9334776/bin/lava-test-case
  177 18:41:55.542855  Creating /var/lib/lava/dispatcher/tmp/9334776/lava-overlay-k9it88ti/lava-9334776/bin/lava-test-event
  178 18:41:55.543297  Creating /var/lib/lava/dispatcher/tmp/9334776/lava-overlay-k9it88ti/lava-9334776/bin/lava-test-feedback
  179 18:41:55.543773  Creating /var/lib/lava/dispatcher/tmp/9334776/lava-overlay-k9it88ti/lava-9334776/bin/lava-test-raise
  180 18:41:55.544176  Creating /var/lib/lava/dispatcher/tmp/9334776/lava-overlay-k9it88ti/lava-9334776/bin/lava-test-reference
  181 18:41:55.544579  Creating /var/lib/lava/dispatcher/tmp/9334776/lava-overlay-k9it88ti/lava-9334776/bin/lava-test-runner
  182 18:41:55.544980  Creating /var/lib/lava/dispatcher/tmp/9334776/lava-overlay-k9it88ti/lava-9334776/bin/lava-test-set
  183 18:41:55.545378  Creating /var/lib/lava/dispatcher/tmp/9334776/lava-overlay-k9it88ti/lava-9334776/bin/lava-test-shell
  184 18:41:55.545779  Updating /var/lib/lava/dispatcher/tmp/9334776/lava-overlay-k9it88ti/lava-9334776/bin/lava-add-keys (debian)
  185 18:41:55.546201  Updating /var/lib/lava/dispatcher/tmp/9334776/lava-overlay-k9it88ti/lava-9334776/bin/lava-add-sources (debian)
  186 18:41:55.546664  Updating /var/lib/lava/dispatcher/tmp/9334776/lava-overlay-k9it88ti/lava-9334776/bin/lava-install-packages (debian)
  187 18:41:55.547073  Updating /var/lib/lava/dispatcher/tmp/9334776/lava-overlay-k9it88ti/lava-9334776/bin/lava-installed-packages (debian)
  188 18:41:55.547478  Updating /var/lib/lava/dispatcher/tmp/9334776/lava-overlay-k9it88ti/lava-9334776/bin/lava-os-build (debian)
  189 18:41:55.547842  Creating /var/lib/lava/dispatcher/tmp/9334776/lava-overlay-k9it88ti/lava-9334776/environment
  190 18:41:55.548133  LAVA metadata
  191 18:41:55.548346  - LAVA_JOB_ID=9334776
  192 18:41:55.548542  - LAVA_DISPATCHER_IP=192.168.101.1
  193 18:41:55.548875  start: 1.6.2.1 ssh-authorize (timeout 00:09:25) [common]
  194 18:41:55.549579  end: 1.6.2.1 ssh-authorize (duration 00:00:00) [common]
  195 18:41:55.549847  start: 1.6.2.2 lava-vland-overlay (timeout 00:09:25) [common]
  196 18:41:55.550038  skipped lava-vland-overlay
  197 18:41:55.550278  end: 1.6.2.2 lava-vland-overlay (duration 00:00:00) [common]
  198 18:41:55.550526  start: 1.6.2.3 lava-multinode-overlay (timeout 00:09:25) [common]
  199 18:41:55.550744  skipped lava-multinode-overlay
  200 18:41:55.550980  end: 1.6.2.3 lava-multinode-overlay (duration 00:00:00) [common]
  201 18:41:55.551227  start: 1.6.2.4 test-definition (timeout 00:09:25) [common]
  202 18:41:55.551456  Loading test definitions
  203 18:41:55.551762  start: 1.6.2.4.1 inline-repo-action (timeout 00:09:25) [common]
  204 18:41:55.551977  Using /lava-9334776 at stage 0
  205 18:41:55.552844  uuid=9334776_1.6.2.4.1 testdef=None
  206 18:41:55.553100  end: 1.6.2.4.1 inline-repo-action (duration 00:00:00) [common]
  207 18:41:55.553348  start: 1.6.2.4.2 test-overlay (timeout 00:09:25) [common]
  208 18:41:55.554764  end: 1.6.2.4.2 test-overlay (duration 00:00:00) [common]
  210 18:41:55.555420  start: 1.6.2.4.3 test-install-overlay (timeout 00:09:25) [common]
  211 18:41:55.557024  end: 1.6.2.4.3 test-install-overlay (duration 00:00:00) [common]
  213 18:41:55.557690  start: 1.6.2.4.4 test-runscript-overlay (timeout 00:09:25) [common]
  214 18:41:55.559250  runner path: /var/lib/lava/dispatcher/tmp/9334776/lava-overlay-k9it88ti/lava-9334776/0/tests/0_timesync-off test_uuid 9334776_1.6.2.4.1
  215 18:41:55.559729  end: 1.6.2.4.4 test-runscript-overlay (duration 00:00:00) [common]
  217 18:41:55.560380  start: 1.6.2.4.5 git-repo-action (timeout 00:09:25) [common]
  218 18:41:55.560589  Using /lava-9334776 at stage 0
  219 18:41:55.560890  Fetching tests from https://github.com/kernelci/test-definitions.git
  220 18:41:55.561131  Running '/usr/bin/git clone https://github.com/kernelci/test-definitions.git /var/lib/lava/dispatcher/tmp/9334776/lava-overlay-k9it88ti/lava-9334776/0/tests/1_kselftest-lkdtm'
  221 18:42:00.232591  Running '/usr/bin/git checkout kernelci.org
  222 18:42:00.379417  Tests stored (tmp) in /var/lib/lava/dispatcher/tmp/9334776/lava-overlay-k9it88ti/lava-9334776/0/tests/1_kselftest-lkdtm/automated/linux/kselftest/kselftest.yaml
  223 18:42:00.381596  uuid=9334776_1.6.2.4.5 testdef=None
  224 18:42:00.382049  end: 1.6.2.4.5 git-repo-action (duration 00:00:05) [common]
  226 18:42:00.382844  start: 1.6.2.4.6 test-overlay (timeout 00:09:21) [common]
  227 18:42:00.385234  end: 1.6.2.4.6 test-overlay (duration 00:00:00) [common]
  229 18:42:00.385923  start: 1.6.2.4.7 test-install-overlay (timeout 00:09:21) [common]
  230 18:42:00.388796  end: 1.6.2.4.7 test-install-overlay (duration 00:00:00) [common]
  232 18:42:00.389513  start: 1.6.2.4.8 test-runscript-overlay (timeout 00:09:21) [common]
  233 18:42:00.392300  runner path: /var/lib/lava/dispatcher/tmp/9334776/lava-overlay-k9it88ti/lava-9334776/0/tests/1_kselftest-lkdtm test_uuid 9334776_1.6.2.4.5
  234 18:42:00.392558  BOARD='imx6q-sabrelite'
  235 18:42:00.392768  BRANCH='cip-gitlab'
  236 18:42:00.392978  SKIPFILE='skipfile-lkft.yaml'
  237 18:42:00.393180  SKIP_INSTALL='True'
  238 18:42:00.393372  TESTPROG_URL='http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.168-cip27-86-g19cf8cd2dd993/arm/multi_v7_defconfig+kselftest/gcc-10/kselftest.tar.xz'
  239 18:42:00.393576  TST_CASENAME=''
  240 18:42:00.393757  TST_CMDFILES='lkdtm'
  241 18:42:00.394212  end: 1.6.2.4.8 test-runscript-overlay (duration 00:00:00) [common]
  243 18:42:00.394881  Creating lava-test-runner.conf files
  244 18:42:00.395085  Using lava-test-runner path: /var/lib/lava/dispatcher/tmp/9334776/lava-overlay-k9it88ti/lava-9334776/0 for stage 0
  245 18:42:00.395375  - 0_timesync-off
  246 18:42:00.395578  - 1_kselftest-lkdtm
  247 18:42:00.395907  end: 1.6.2.4 test-definition (duration 00:00:05) [common]
  248 18:42:00.396175  start: 1.6.2.5 compress-overlay (timeout 00:09:21) [common]
  249 18:42:14.318756  end: 1.6.2.5 compress-overlay (duration 00:00:14) [common]
  250 18:42:14.319156  start: 1.6.2.6 persistent-nfs-overlay (timeout 00:09:07) [common]
  251 18:42:14.319418  end: 1.6.2.6 persistent-nfs-overlay (duration 00:00:00) [common]
  252 18:42:14.319720  end: 1.6.2 lava-overlay (duration 00:00:19) [common]
  253 18:42:14.319994  start: 1.6.3 extract-overlay-ramdisk (timeout 00:09:07) [common]
  254 18:42:14.513382  end: 1.6.3 extract-overlay-ramdisk (duration 00:00:00) [common]
  255 18:42:14.514646  start: 1.6.4 extract-modules (timeout 00:09:06) [common]
  256 18:42:14.514959  extracting modules file /var/lib/lava/dispatcher/tmp/9334776/tftp-deploy-ew5pbo2m/modules/modules.tar to /var/lib/lava/dispatcher/tmp/9334776/extract-nfsrootfs-s2epve10
  257 18:42:15.222636  extracting modules file /var/lib/lava/dispatcher/tmp/9334776/tftp-deploy-ew5pbo2m/modules/modules.tar to /var/lib/lava/dispatcher/tmp/9334776/extract-overlay-ramdisk-dfanxtv4/ramdisk
  258 18:42:15.922364  end: 1.6.4 extract-modules (duration 00:00:01) [common]
  259 18:42:15.922779  start: 1.6.5 apply-overlay-tftp (timeout 00:09:05) [common]
  260 18:42:15.923031  [common] Applying overlay to NFS
  261 18:42:15.923260  [common] Applying overlay /var/lib/lava/dispatcher/tmp/9334776/compress-overlay-aw9s97aa/overlay-1.6.2.5.tar.gz to directory /var/lib/lava/dispatcher/tmp/9334776/extract-nfsrootfs-s2epve10
  262 18:42:17.683099  end: 1.6.5 apply-overlay-tftp (duration 00:00:02) [common]
  263 18:42:17.683490  start: 1.6.6 prepare-kernel (timeout 00:09:03) [common]
  264 18:42:17.683795  start: 1.6.6.1 uboot-prepare-kernel (timeout 00:09:03) [common]
  265 18:42:17.684091  end: 1.6.6.1 uboot-prepare-kernel (duration 00:00:00) [common]
  266 18:42:17.684347  end: 1.6.6 prepare-kernel (duration 00:00:00) [common]
  267 18:42:17.684618  start: 1.6.7 configure-preseed-file (timeout 00:09:03) [common]
  268 18:42:17.684879  end: 1.6.7 configure-preseed-file (duration 00:00:00) [common]
  269 18:42:17.685151  start: 1.6.8 compress-ramdisk (timeout 00:09:03) [common]
  270 18:42:17.685398  Building ramdisk /var/lib/lava/dispatcher/tmp/9334776/extract-overlay-ramdisk-dfanxtv4/ramdisk.cpio containing /var/lib/lava/dispatcher/tmp/9334776/extract-overlay-ramdisk-dfanxtv4/ramdisk
  271 18:42:18.324472  >> 80860 blocks

  272 18:42:21.276909  Adding RAMdisk u-boot header.
  273 18:42:21.277826  mkimage -A arm -T ramdisk -C none -d /var/lib/lava/dispatcher/tmp/9334776/extract-overlay-ramdisk-dfanxtv4/ramdisk.cpio.gz /var/lib/lava/dispatcher/tmp/9334776/extract-overlay-ramdisk-dfanxtv4/ramdisk.cpio.gz.uboot
  274 18:42:21.426677  output: Image Name:   
  275 18:42:21.427617  output: Created:      Sat Feb 25 18:42:21 2023
  276 18:42:21.427965  output: Image Type:   ARM Linux RAMDisk Image (uncompressed)
  277 18:42:21.428258  output: Data Size:    15452475 Bytes = 15090.31 KiB = 14.74 MiB
  278 18:42:21.428531  output: Load Address: 00000000
  279 18:42:21.428820  output: Entry Point:  00000000
  280 18:42:21.429107  output: 
  281 18:42:21.429596  rename /var/lib/lava/dispatcher/tmp/9334776/extract-overlay-ramdisk-dfanxtv4/ramdisk.cpio.gz.uboot to /var/lib/lava/dispatcher/tmp/9334776/tftp-deploy-ew5pbo2m/ramdisk/ramdisk.cpio.gz.uboot
  282 18:42:21.430269  end: 1.6.8 compress-ramdisk (duration 00:00:04) [common]
  283 18:42:21.430712  end: 1.6 prepare-tftp-overlay (duration 00:00:41) [common]
  284 18:42:21.431093  start: 1.7 lxc-create-udev-rule-action (timeout 00:09:00) [common]
  285 18:42:21.431389  No LXC device requested
  286 18:42:21.431760  end: 1.7 lxc-create-udev-rule-action (duration 00:00:00) [common]
  287 18:42:21.432107  start: 1.8 deploy-device-env (timeout 00:09:00) [common]
  288 18:42:21.432463  end: 1.8 deploy-device-env (duration 00:00:00) [common]
  289 18:42:21.432717  Checking files for TFTP limit of 4294967296 bytes.
  290 18:42:21.434329  end: 1 tftp-deploy (duration 00:01:00) [common]
  291 18:42:21.434709  start: 2 uboot-action (timeout 00:05:00) [common]
  292 18:42:21.435090  start: 2.1 uboot-from-media (timeout 00:05:00) [common]
  293 18:42:21.435422  end: 2.1 uboot-from-media (duration 00:00:00) [common]
  294 18:42:21.435771  start: 2.2 bootloader-overlay (timeout 00:05:00) [common]
  295 18:42:21.436340  substitutions:
  296 18:42:21.436580  - {BOOTX}: bootz 0x10000000 0x14000000 0x13f00000
  297 18:42:21.436837  - {DTB_ADDR}: 0x13f00000
  298 18:42:21.437114  - {DTB}: 9334776/tftp-deploy-ew5pbo2m/dtb/imx6q-sabrelite.dtb
  299 18:42:21.437419  - {INITRD}: 9334776/tftp-deploy-ew5pbo2m/ramdisk/ramdisk.cpio.gz.uboot
  300 18:42:21.437731  - {KERNEL_ADDR}: 0x10000000
  301 18:42:21.438046  - {KERNEL}: 9334776/tftp-deploy-ew5pbo2m/kernel/zImage
  302 18:42:21.438351  - {LAVA_MAC}: None
  303 18:42:21.438685  - {NFSROOTFS}: /var/lib/lava/dispatcher/tmp/9334776/extract-nfsrootfs-s2epve10
  304 18:42:21.438992  - {NFS_SERVER_IP}: 192.168.101.1
  305 18:42:21.439291  - {PRESEED_CONFIG}: None
  306 18:42:21.439585  - {PRESEED_LOCAL}: None
  307 18:42:21.439893  - {RAMDISK_ADDR}: 0x14000000
  308 18:42:21.440194  - {RAMDISK}: 9334776/tftp-deploy-ew5pbo2m/ramdisk/ramdisk.cpio.gz.uboot
  309 18:42:21.440487  - {ROOT_PART}: None
  310 18:42:21.440776  - {ROOT}: None
  311 18:42:21.441063  - {SERVER_IP}: 192.168.101.1
  312 18:42:21.441359  - {TEE_ADDR}: 0x83000000
  313 18:42:21.441638  - {TEE}: None
  314 18:42:21.441917  Parsed boot commands:
  315 18:42:21.442191  - setenv autoload no
  316 18:42:21.442487  - setenv initrd_high 0xffffffff
  317 18:42:21.442815  - setenv fdt_high 0xffffffff
  318 18:42:21.443108  - dhcp
  319 18:42:21.443386  - setenv serverip 192.168.101.1
  320 18:42:21.443692  - tftp 0x10000000 9334776/tftp-deploy-ew5pbo2m/kernel/zImage
  321 18:42:21.444002  - tftp 0x14000000 9334776/tftp-deploy-ew5pbo2m/ramdisk/ramdisk.cpio.gz.uboot
  322 18:42:21.444289  - setenv initrd_size ${filesize}
  323 18:42:21.444576  - tftp 0x13f00000 9334776/tftp-deploy-ew5pbo2m/dtb/imx6q-sabrelite.dtb
  324 18:42:21.444861  - setenv bootargs 'console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.101.1:/var/lib/lava/dispatcher/tmp/9334776/extract-nfsrootfs-s2epve10,tcp,hard console_msg_format=syslog earlycon ip=dhcp'
  325 18:42:21.445161  - bootz 0x10000000 0x14000000 0x13f00000
  326 18:42:21.445536  end: 2.2 bootloader-overlay (duration 00:00:00) [common]
  328 18:42:21.446662  start: 2.3 connect-device (timeout 00:05:00) [common]
  329 18:42:21.446952  [common] connect-device Connecting to device using '/usr/bin/console -f -M rack-control imx6q-sabrelite-lava-cbg-2'
  330 18:42:21.454853  Setting prompt string to ['lava-test: # ']
  331 18:42:21.455940  end: 2.3 connect-device (duration 00:00:00) [common]
  332 18:42:21.456383  start: 2.4 uboot-commands (timeout 00:05:00) [common]
  333 18:42:21.456788  start: 2.4.1 reset-device (timeout 00:05:00) [common]
  334 18:42:21.457212  start: 2.4.1.1 pdu-reboot (timeout 00:05:00) [common]
  335 18:42:21.457861  Calling: 'nice' '/usr/local/bin/rack-power.sh' 'rack-power-0' '-t' '4'
  336 18:42:21.487367  >> Software version: 7

  337 18:42:21.496240  >> Intermediate Relay states: 0x0

  338 18:42:23.505009  >> Relay states: 0x10

  339 18:42:23.506002  Returned 0 in 2 seconds
  340 18:42:23.607494  end: 2.4.1.1 pdu-reboot (duration 00:00:02) [common]
  342 18:42:23.608630  end: 2.4.1 reset-device (duration 00:00:02) [common]
  343 18:42:23.609042  start: 2.4.2 bootloader-interrupt (timeout 00:04:58) [common]
  344 18:42:23.609434  Setting prompt string to ['Hit any key to stop autoboot']
  345 18:42:23.609753  bootloader-interrupt: Wait for prompt ['Hit any key to stop autoboot'] (timeout 00:05:00)
  346 18:42:23.610661  [Enter `^Ec?' for help]

  347 18:42:24.838086  

  348 18:42:24.838615  

  349 18:42:24.842594  U-Boot 2021.10+dfsg-1+apertis10bv2023dev2b2 (Apr 18 2022 - 16:34:49 +0000)

  350 18:42:24.843137  

  351 18:42:24.845220  CPU:   Freescale i.MX6Q rev1.0 at 792 MHz

  352 18:42:24.845822  Reset cause: POR

  353 18:42:24.850855  Model: Freescale i.MX6 Quad SABRE Lite Board

  354 18:42:24.852845  Board: SABRE Lite

  355 18:42:24.853135  I2C:   ready

  356 18:42:24.854165  DRAM:  1 GiB

  357 18:42:24.911805  MMC:   FSL_SDHC: 0, FSL_SDHC: 1

  358 18:42:24.925250  Loading Environment from SPIFlash... SF: Detected sst25vf016b with page size 256 Bytes, erase size 4 KiB, total 2 MiB

  359 18:42:24.935234  *** Warning - bad CRC, using default environment

  360 18:42:24.935831  

  361 18:42:24.942379  In:    serial

  362 18:42:24.943981  Out:   serial

  363 18:42:24.944428  Err:   serial

  364 18:42:24.955821  Net:   using phy at 6

  365 18:42:24.959882  FEC [PRIME], usb_ether

  366 18:42:24.962015  Error: usb_ether address not set.

  367 18:42:24.964059  

  368 18:42:24.964345  starting USB...

  369 18:42:24.967786  Bus usb@2184000: usb dr_mode not found

  370 18:42:25.020387  Bus usb@2184200: USB EHCI 1.00

  371 18:42:28.059766  scanning bus usb@2184000 for devices... 1 USB Device(s) found

  372 18:42:33.197891  scanning bus usb@2184200 for devices... 2 USB Device(s) found

  373 18:42:33.202646         scanning usb for storage devices... 0 Storage Device(s) found

  374 18:42:33.208726         scanning usb for ethernet devices... 0 Ethernet Device(s) found

  376 18:42:33.454600  Hit any key to stop autoboot:  3 

  377 18:42:33.455406  end: 2.4.2 bootloader-interrupt (duration 00:00:10) [common]
  378 18:42:33.456095  start: 2.4.3 bootloader-commands (timeout 00:04:48) [common]
  379 18:42:33.456601  Setting prompt string to ['=>']
  380 18:42:33.457085  bootloader-commands: Wait for prompt ['=>'] (timeout 00:04:48)
  381 18:42:33.464254   0 

  382 18:42:33.465334  Setting prompt string to ['=>', 'Resetting CPU', 'Must RESET board to recover', 'TIMEOUT', 'Retry count exceeded', 'Retry time exceeded; starting again', 'ERROR: The remote end did not respond in time.', 'File not found', 'Bad Linux ARM64 Image magic!', 'Wrong Ramdisk Image Format', 'Ramdisk image is corrupt or invalid', 'ERROR: Failed to allocate', 'TFTP error: trying to overwrite reserved memory', 'Bad Linux RISCV Image magic!', 'Wrong Image Format for boot', 'ERROR: Did not find a cmdline Flattened Device Tree', 'ERROR: RD image overlaps OS image']
  383 18:42:33.465762  Sending with 10 millisecond of delay
  385 18:42:34.607281  =>setenv autoload no

  386 18:42:34.618211  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 00:04:47)
  387 18:42:34.623514   setenv autoload no

  388 18:42:34.624363  Sending with 10 millisecond of delay
  390 18:42:36.434227  => setenv initrd_high 0xffffffff

  391 18:42:36.445297  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 00:04:45)
  392 18:42:36.446179  setenv initrd_high 0xffffffff

  393 18:42:36.446942  Sending with 10 millisecond of delay
  395 18:42:38.073658  => setenv fdt_high 0xffffffff

  396 18:42:38.084553  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 00:04:43)
  397 18:42:38.085482  setenv fdt_high 0xffffffff

  398 18:42:38.086283  Sending with 10 millisecond of delay
  400 18:42:38.379924  => dhcp

  401 18:42:38.390793  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 00:04:43)
  402 18:42:38.391777  dhcp

  403 18:42:38.484997  BOOTP broadcast 1

  404 18:42:38.491138  DHCP client bound to address 192.168.101.101 (2 ms)

  405 18:42:38.492263  Sending with 10 millisecond of delay
  407 18:42:40.300416  => setenv serverip 192.168.101.1

  408 18:42:40.311331  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)
  409 18:42:40.312481  setenv serverip 192.168.101.1

  410 18:42:40.313313  Sending with 10 millisecond of delay
  412 18:42:43.879463  => tftp 0x10000000 9334776/tftp-deploy-ew5pbo2m/kernel/zImage

  413 18:42:43.890506  bootloader-commands: Wait for prompt ['=>', 'Resetting CPU', 'Must RESET board to recover', 'TIMEOUT', 'Retry count exceeded', 'Retry time exceeded; starting again', 'ERROR: The remote end did not respond in time.', 'File not found', 'Bad Linux ARM64 Image magic!', 'Wrong Ramdisk Image Format', 'Ramdisk image is corrupt or invalid', 'ERROR: Failed to allocate', 'TFTP error: trying to overwrite reserved memory', 'Bad Linux RISCV Image magic!', 'Wrong Image Format for boot', 'ERROR: Did not find a cmdline Flattened Device Tree', 'ERROR: RD image overlaps OS image'] (timeout 00:04:38)
  414 18:42:43.891396  tftp 0x10000000 9334776/tftp-deploy-ew5pbo2m/kernel/zImage

  415 18:42:43.987060  Using FEC device

  416 18:42:43.992363  TFTP from server 192.168.101.1; our IP address is 192.168.101.101

  417 18:42:43.996019  Filename '9334776/tftp-deploy-ew5pbo2m/kernel/zImage'.

  418 18:42:43.998931  Load address: 0x10000000

  419 18:42:44.449086  Loading: *#################################################################

  420 18:42:44.843489  	 #################################################################

  421 18:42:45.213168  	 #################################################################

  422 18:42:45.574182  	 #################################################################

  423 18:42:45.982265  	 #################################################################

  424 18:42:46.364393  	 #################################################################

  425 18:42:46.765152  	 #################################################################

  426 18:42:47.160283  	 #################################################################

  427 18:42:47.539311  	 #################################################################

  428 18:42:47.885691  	 #################################################################

  429 18:42:48.226459  	 #################################################################

  430 18:42:48.563611  	 #################################################################

  431 18:42:48.892962  	 #############################################################

  432 18:42:48.893461  	 2.4 MiB/s

  433 18:42:48.893916  done

  434 18:42:48.895162  Bytes transferred = 12345856 (bc6200 hex)

  435 18:42:48.895996  Sending with 10 millisecond of delay
  437 18:42:53.432487  => tftp 0x14000000 9334776/tftp-deploy-ew5pbo2m/ramdisk/ramdisk.cpio.gz.uboot

  438 18:42:53.443391  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 00:04:28)
  439 18:42:53.444346  tftp 0x14000000 9334776/tftp-deploy-ew5pbo2m/ramdisk/ramdisk.cpio.gz.uboot

  440 18:42:53.540386  Using FEC device

  441 18:42:53.544256  TFTP from server 192.168.101.1; our IP address is 192.168.101.101

  442 18:42:53.549952  Filename '9334776/tftp-deploy-ew5pbo2m/ramdisk/ramdisk.cpio.gz.uboot'.

  443 18:42:53.552654  Load address: 0x14000000

  444 18:42:53.955125  Loading: *#################################################################

  445 18:42:54.334200  	 #################################################################

  446 18:42:54.720139  	 #################################################################

  447 18:42:55.123381  	 #################################################################

  448 18:42:55.529330  	 #################################################################

  449 18:42:55.951284  	 #################################################################

  450 18:42:56.359304  	 #################################################################

  451 18:42:56.760457  	 #################################################################

  452 18:42:57.160398  	 #################################################################

  453 18:42:57.574511  	 #################################################################

  454 18:42:57.986463  	 #################################################################

  455 18:42:58.399637  	 #################################################################

  456 18:42:58.811717  	 #################################################################

  457 18:42:59.166348  	 #################################################################

  458 18:42:59.492459  	 #################################################################

  459 18:42:59.876807  	 #################################################################

  460 18:42:59.961987  	 #############

  461 18:42:59.962503  	 2.3 MiB/s

  462 18:42:59.963256  done

  463 18:42:59.964302  Bytes transferred = 15452539 (ebc97b hex)

  464 18:42:59.965114  Sending with 10 millisecond of delay
  466 18:43:01.833809  => setenv initrd_size ${filesize}

  467 18:43:01.844503  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 00:04:20)
  468 18:43:01.844963  setenv initrd_size ${filesize}

  469 18:43:01.845375  Sending with 10 millisecond of delay
  471 18:43:06.006489  => tftp 0x13f00000 9334776/tftp-deploy-ew5pbo2m/dtb/imx6q-sabrelite.dtb

  472 18:43:06.019091  bootloader-commands: Wait for prompt ['=>', 'Resetting CPU', 'Must RESET board to recover', 'TIMEOUT', 'Retry count exceeded', 'Retry time exceeded; starting again', 'ERROR: The remote end did not respond in time.', 'File not found', 'Bad Linux ARM64 Image magic!', 'Wrong Ramdisk Image Format', 'Ramdisk image is corrupt or invalid', 'ERROR: Failed to allocate', 'TFTP error: trying to overwrite reserved memory', 'Bad Linux RISCV Image magic!', 'Wrong Image Format for boot', 'ERROR: Did not find a cmdline Flattened Device Tree', 'ERROR: RD image overlaps OS image'] (timeout 00:04:15)
  473 18:43:06.019550  tftp 0x13f00000 9334776/tftp-deploy-ew5pbo2m/dtb/imx6q-sabrelite.dtb

  474 18:43:06.112025  Using FEC device

  475 18:43:06.118629  TFTP from server 192.168.101.1; our IP address is 192.168.101.101

  476 18:43:06.122659  Filename '9334776/tftp-deploy-ew5pbo2m/dtb/imx6q-sabrelite.dtb'.

  477 18:43:06.125887  Load address: 0x13f00000

  478 18:43:06.144562  Loading: *###

  479 18:43:06.144796  	 2.5 MiB/s

  480 18:43:06.145007  done

  481 18:43:06.149246  Bytes transferred = 42449 (a5d1 hex)

  482 18:43:06.149704  Sending with 10 millisecond of delay
  484 18:43:18.140626  => setenv bootargs 'console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.101.1:/var/lib/lava/dispatcher/tmp/9334776/extract-nfsrootfs-s2epve10,tcp,hard console_msg_format=syslog earlycon ip=dhcp'

  485 18:43:18.151591  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 00:04:03)
  486 18:43:18.152526  setenv bootargs 'console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.101.1:/var/lib/lava/dispatcher/tmp/9334776/extract-nfsrootfs-s2epve10,tcp,hard console_msg_format=syslog earlycon ip=dhcp'

  487 18:43:18.153277  Sending with 10 millisecond of delay
  489 18:43:20.508418  => bootz 0x10000000 0x14000000 0x13f00000

  490 18:43:20.519157  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']
  491 18:43:20.519668  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 00:04:01)
  492 18:43:20.520609  bootz 0x10000000 0x14000000 0x13f00000

  493 18:43:20.520998  Kernel image @ 0x10000000 [ 0x000000 - 0xbc6200 ]

  494 18:43:20.522265  ## Loading init Ramdisk from Legacy Image at 14000000 ...

  495 18:43:20.523120     Image Name:   

  496 18:43:20.528167     Image Type:   ARM Linux RAMDisk Image (uncompressed)

  497 18:43:20.533302     Data Size:    15452475 Bytes = 14.7 MiB

  498 18:43:20.535927     Load Address: 00000000

  499 18:43:20.537917     Entry Point:  00000000

  500 18:43:20.715078     Verifying Checksum ... OK

  501 18:43:20.720219  ## Flattened Device Tree blob at 13f00000

  502 18:43:20.723459     Booting using the fdt blob at 0x13f00000

  503 18:43:20.729331     Using Device Tree in place at 13f00000, end 13f0d5d0

  504 18:43:20.738248  

  505 18:43:20.738800  Starting kernel ...

  506 18:43:20.739224  

  507 18:43:20.740470  end: 2.4.3 bootloader-commands (duration 00:00:47) [common]
  508 18:43:20.741082  start: 2.4.4 auto-login-action (timeout 00:04:01) [common]
  509 18:43:20.741521  Setting prompt string to ['Linux version [0-9]']
  510 18:43:20.741968  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']
  511 18:43:20.742419  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)
  512 18:43:21.736916  [    0.000000] Booting Linux on physical CPU 0x0

  513 18:43:21.738407  start: 2.4.4.1 login-action (timeout 00:04:00) [common]
  514 18:43:21.738826  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.
  515 18:43:21.739339  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']
  516 18:43:21.739681  Using line separator: #'\n'#
  517 18:43:21.740096  No login prompt set.
  518 18:43:21.740521  Parsing kernel messages
  519 18:43:21.740908  ['-\\[ 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']
  520 18:43:21.741471  [login-action] Waiting for messages, (timeout 00:04:00)
  521 18:43:21.758965  [    0.000000] Linux version 5.10.170-cip27 (KernelCI@build-j1107502-arm-gcc-10-multi-v7-defconfig-kselftest-pvq6c) (arm-linux-gnueabihf-gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Sat Feb 25 18:26:27 UTC 2023

  522 18:43:21.766829  [    0.000000] CPU: ARMv7 Processor [412fc09a] revision 10 (ARMv7), cr=10c5387d

  523 18:43:21.772189  [    0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache

  524 18:43:21.779165  [    0.000000] OF: fdt: Machine model: Freescale i.MX6 Quad SABRE Lite Board

  525 18:43:21.785254  [    0.000000] earlycon: ec_imx21 at MMIO 0x021e8000 (options '')

  526 18:43:21.793081  [    0.000000] printk: bootconsole [ec_imx21] enabled

  527 18:43:21.795429  [    0.000000] Memory policy: Data cache writealloc

  528 18:43:21.798841  [    0.000000] efi: UEFI not found.

  529 18:43:21.806659  [    0.000000] OF: fdt: Reserved memory: unsupported node format, ignoring

  530 18:43:21.808784  [    0.000000] cma: Reserved 64 MiB at 0x4c000000

  531 18:43:21.811684  [    0.000000] Zone ranges:

  532 18:43:21.817290  [    0.000000]   DMA      [mem 0x0000000010000000-0x000000003fffffff]

  533 18:43:21.819915  [    0.000000]   Normal   empty

  534 18:43:21.826304  [    0.000000]   HighMem  [mem 0x0000000040000000-0x000000004fffffff]

  535 18:43:21.830138  [    0.000000] Movable zone start for each node

  536 18:43:21.837162  [    0.000000] Early memory node ranges

  537 18:43:21.839728  [    0.000000]   node   0: [mem 0x0000000010000000-0x000000004fffffff]

  538 18:43:21.846818  [    0.000000] Initmem setup node 0 [mem 0x0000000010000000-0x000000004fffffff]

  539 18:43:21.901011  [    0.000000] percpu: Embedded 21 pages/cpu s55468 r8192 d22356 u86016

  540 18:43:21.904534  [    0.000000] Built 1 zonelists, mobility grouping on.  Total pages: 260608

  541 18:43:21.923377  [    0.000000] Kernel command line: console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.101.1:/var/lib/lava/dispatcher/tmp/9334776/extract-nfsrootfs-s2epve10,tcp,hard console_msg_format=syslog earlycon ip=dhcp

  542 18:43:21.932137  <6>[    0.000000] Dentry cache hash table entries: 131072 (order: 7, 524288 bytes, linear)

  543 18:43:21.939339  <6>[    0.000000] Inode-cache hash table entries: 65536 (order: 6, 262144 bytes, linear)

  544 18:43:21.945318  <6>[    0.000000] mem auto-init: stack:off, heap alloc:off, heap free:off

  545 18:43:22.125445  <6>[    0.000000] Memory: 921432K/1048576K available (17408K kernel code, 2651K rwdata, 8100K rodata, 2048K init, 6691K bss, 61608K reserved, 65536K cma-reserved, 196608K highmem)

  546 18:43:22.132852  <6>[    0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1

  547 18:43:22.136986  <6>[    0.000000] ftrace: allocating 55428 entries in 163 pages

  548 18:43:22.444252  <6>[    0.000000] ftrace: allocated 163 pages with 4 groups

  549 18:43:22.447204  <6>[    0.000000] Running RCU self tests

  550 18:43:22.451775  <6>[    0.000000] rcu: Hierarchical RCU implementation.

  551 18:43:22.459372  <6>[    0.000000] rcu: 	RCU event tracing is enabled.

  552 18:43:22.464230  <6>[    0.000000] rcu: 	RCU lockdep checking is enabled.

  553 18:43:22.469798  <6>[    0.000000] rcu: 	RCU restricting CPUs from NR_CPUS=16 to nr_cpu_ids=4.

  554 18:43:22.477357  <6>[    0.000000] 	Rude variant of Tasks RCU enabled.

  555 18:43:22.480844  <6>[    0.000000] 	Tracing variant of Tasks RCU enabled.

  556 18:43:22.487841  <6>[    0.000000] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies.

  557 18:43:22.492813  <6>[    0.000000] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4

  558 18:43:22.540989  <6>[    0.000000] NR_IRQS: 16, nr_irqs: 16, preallocated irqs: 16

  559 18:43:22.553342  <6>[    0.000000] L2C-310 errata 752271 769419 enabled

  560 18:43:22.557717  <6>[    0.000000] L2C-310 enabling early BRESP for Cortex-A9

  561 18:43:22.565506  <6>[    0.000000] L2C-310 full line of zeros enabled for Cortex-A9

  562 18:43:22.569758  <6>[    0.000000] L2C-310 ID prefetch enabled, offset 16 lines

  563 18:43:22.575014  <6>[    0.000000] L2C-310 dynamic clock gating enabled, standby mode enabled

  564 18:43:22.584091  <6>[    0.000000] L2C-310 cache controller enabled, 16 ways, 1024 kB

  565 18:43:22.588291  <6>[    0.000000] L2C-310: CACHE_ID 0x410000c7, AUX_CTRL 0x76470001

  566 18:43:22.659050  <6>[    0.000000] Switching to timer-based delay loop, resolution 15ns

  567 18:43:22.667476  <6>[    0.000009] sched_clock: 32 bits at 66MHz, resolution 15ns, wraps every 32537631224ns

  568 18:43:22.677357  <6>[    0.008096] clocksource: mxc_timer1: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 28958491609 ns

  569 18:43:22.683903  <6>[    0.022388] Console: colour dummy device 80x30

  570 18:43:22.691435  <4>[    0.024294] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar

  571 18:43:22.696070  <4>[    0.032303] ... MAX_LOCKDEP_SUBCLASSES:  8

  572 18:43:22.702046  <4>[    0.036647] ... MAX_LOCK_DEPTH:          48

  573 18:43:22.705684  <4>[    0.041058] ... MAX_LOCKDEP_KEYS:        8192

  574 18:43:22.711431  <4>[    0.045695] ... CLASSHASH_SIZE:          4096

  575 18:43:22.715797  <4>[    0.050279] ... MAX_LOCKDEP_ENTRIES:     32768

  576 18:43:22.719989  <4>[    0.054978] ... MAX_LOCKDEP_CHAINS:      65536

  577 18:43:22.725557  <4>[    0.059701] ... CHAINHASH_SIZE:          32768

  578 18:43:22.730220  <4>[    0.064374]  memory used by lock dependency info: 4061 kB

  579 18:43:22.735319  <4>[    0.070055]  memory used for stack traces: 2112 kB

  580 18:43:22.740252  <4>[    0.075076]  per task-struct memory footprint: 1536 bytes

  581 18:43:22.752510  <6>[    0.080812] Calibrating delay loop (skipped), value calculated using timer frequency.. 132.00 BogoMIPS (lpj=660000)

  582 18:43:22.756828  <6>[    0.091466] pid_max: default: 32768 minimum: 301

  583 18:43:22.762065  <6>[    0.096694] LSM: Security Framework initializing

  584 18:43:22.767104  <6>[    0.101258] LSM support for eBPF active

  585 18:43:22.774564  <6>[    0.105379] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes, linear)

  586 18:43:22.780492  <6>[    0.112891] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes, linear)

  587 18:43:22.785878  <6>[    0.123459] CPU: Testing write buffer coherency: ok

  588 18:43:22.792160  <6>[    0.126015] CPU0: Spectre v2: using BPIALL workaround

  589 18:43:22.796113  <6>[    0.132258] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000

  590 18:43:22.805913  <6>[    0.141167] Setting up static identity map for 0x10300000 - 0x103000ac

  591 18:43:22.809385  <6>[    0.147667] rcu: Hierarchical SRCU implementation.

  592 18:43:22.823370  <6>[    0.159562] EFI services will not be available.

  593 18:43:22.825178  <6>[    0.162810] smp: Bringing up secondary CPUs ...

  594 18:43:22.834600  <6>[    0.169649] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001

  595 18:43:22.836916  <6>[    0.169665] CPU1: Spectre v2: using BPIALL workaround

  596 18:43:22.845180  <6>[    0.182099] CPU2: thread -1, cpu 2, socket 0, mpidr 80000002

  597 18:43:22.849159  <6>[    0.182114] CPU2: Spectre v2: using BPIALL workaround

  598 18:43:22.857011  <6>[    0.194200] CPU3: thread -1, cpu 3, socket 0, mpidr 80000003

  599 18:43:22.863397  <6>[    0.194215] CPU3: Spectre v2: using BPIALL workaround

  600 18:43:22.868328  <6>[    0.203436] smp: Brought up 1 node, 4 CPUs

  601 18:43:22.874751  <6>[    0.207086] SMP: Total of 4 processors activated (528.00 BogoMIPS).

  602 18:43:22.877161  <6>[    0.213489] CPU: All CPU(s) started in SVC mode.

  603 18:43:22.880672  <6>[    0.221129] devtmpfs: initialized

  604 18:43:22.944423  <6>[    0.278537] VFP support v0.3: implementor 41 architecture 3 part 30 variant 9 rev 4

  605 18:43:22.952538  <6>[    0.286409] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns

  606 18:43:22.960263  <6>[    0.293836] futex hash table entries: 1024 (order: 4, 65536 bytes, linear)

  607 18:43:22.967358  <6>[    0.305944] pinctrl core: initialized pinctrl subsystem

  608 18:43:22.976595  <6>[    0.315662] DMI not present or invalid.

  609 18:43:22.980716  <6>[    0.319241] NET: Registered protocol family 16

  610 18:43:22.997036  <6>[    0.333427] DMA: preallocated 256 KiB pool for atomic coherent allocations

  611 18:43:23.011853  <6>[    0.347530] thermal_sys: Registered thermal governor 'step_wise'

  612 18:43:23.014990  <6>[    0.348087] cpuidle: using governor menu

  613 18:43:23.020486  <6>[    0.356266] CPU identified as i.MX6Q, silicon rev 1.0

  614 18:43:23.775701  <6>[    1.114381] vdd1p1: supplied by regulator-dummy

  615 18:43:23.809683  <6>[    1.148842] vdd3p0: supplied by regulator-dummy

  616 18:43:23.843454  <6>[    1.182491] vdd2p5: supplied by regulator-dummy

  617 18:43:23.877216  <6>[    1.216208] vddarm: supplied by regulator-dummy

  618 18:43:23.912294  <6>[    1.250873] vddpu: supplied by regulator-dummy

  619 18:43:23.944795  <6>[    1.283440] vddsoc: supplied by regulator-dummy

  620 18:43:25.290182  <6>[    2.630286] No ATAGs?

  621 18:43:25.299210  <6>[    2.631210] hw-breakpoint: found 5 (+1 reserved) breakpoint and 1 watchpoint registers.

  622 18:43:25.303304  <6>[    2.638344] hw-breakpoint: maximum watchpoint size is 4 bytes.

  623 18:43:25.327761  <6>[    2.664440] imx6q-pinctrl 20e0000.pinctrl: initialized IMX pinctrl driver

  624 18:43:25.360028  <6>[    2.699419] Serial: AMBA PL011 UART driver

  625 18:43:25.426640  <6>[    2.765832] Kprobes globally optimized

  626 18:43:25.551501  <6>[    2.888969] iommu: Default domain type: Translated 

  627 18:43:25.553637  <6>[    2.893750] vgaarb: loaded

  628 18:43:25.560607  <5>[    2.899196] SCSI subsystem initialized

  629 18:43:25.565262  <6>[    2.903000] usbcore: registered new interface driver usbfs

  630 18:43:25.573658  <6>[    2.906485] usbcore: registered new interface driver hub

  631 18:43:25.575978  <6>[    2.911889] usbcore: registered new device driver usb

  632 18:43:25.586069  <6>[    2.924867] i2c i2c-0: IMX I2C adapter registered

  633 18:43:25.595842  <6>[    2.934277] i2c i2c-1: IMX I2C adapter registered

  634 18:43:25.602701  <6>[    2.941047] i2c i2c-2: IMX I2C adapter registered

  635 18:43:25.609731  <6>[    2.947946] pps_core: LinuxPPS API ver. 1 registered

  636 18:43:25.621846  <6>[    2.950353] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@linux.it>

  637 18:43:25.623538  <6>[    2.959874] PTP clock support registered

  638 18:43:25.643368  <6>[    2.981186] clocksource: Switched to clocksource mxc_timer1

  639 18:43:27.349717  <6>[    4.688153] NET: Registered protocol family 2

  640 18:43:27.356655  <6>[    4.690724] IP idents hash table entries: 16384 (order: 5, 131072 bytes, linear)

  641 18:43:27.367731  <6>[    4.701023] tcp_listen_portaddr_hash hash table entries: 512 (order: 2, 22528 bytes, linear)

  642 18:43:27.375086  <6>[    4.707142] TCP established hash table entries: 8192 (order: 3, 32768 bytes, linear)

  643 18:43:27.382114  <6>[    4.715178] TCP bind hash table entries: 8192 (order: 6, 327680 bytes, linear)

  644 18:43:27.389475  <6>[    4.724048] TCP: Hash tables configured (established 8192 bind 8192)

  645 18:43:27.395708  <6>[    4.730032] MPTCP token hash table entries: 1024 (order: 3, 49152 bytes, linear)

  646 18:43:27.402889  <6>[    4.737062] UDP hash table entries: 512 (order: 3, 49152 bytes, linear)

  647 18:43:27.410933  <6>[    4.743843] UDP-Lite hash table entries: 512 (order: 3, 49152 bytes, linear)

  648 18:43:27.417309  <6>[    4.751644] NET: Registered protocol family 1

  649 18:43:27.422161  <6>[    4.758228] RPC: Registered named UNIX socket transport module.

  650 18:43:27.425726  <6>[    4.761796] RPC: Registered udp transport module.

  651 18:43:27.431248  <6>[    4.766594] RPC: Registered tcp transport module.

  652 18:43:27.437732  <6>[    4.771641] RPC: Registered tcp NFSv4.1 backchannel transport module.

  653 18:43:27.441895  <6>[    4.778277] NET: Registered protocol family 44

  654 18:43:27.448827  <6>[    4.783048] PCI: CLS 0 bytes, default 64

  655 18:43:27.451792  <6>[    4.789670] Trying to unpack rootfs image as initramfs...

  656 18:43:29.384345  <6>[    6.720298] Freeing initrd memory: 15092K

  657 18:43:29.389352  <4>[    6.722813] hw perfevents: no interrupt-affinity property for /pmu, guessing.

  658 18:43:29.396643  <6>[    6.730380] hw perfevents: enabled with armv7_cortex_a9 PMU driver, 7 counters available

  659 18:43:29.411216  <5>[    6.746978] Initialise system trusted keyrings

  660 18:43:29.414924  <6>[    6.750109] workingset: timestamp_bits=30 max_order=18 bucket_order=0

  661 18:43:29.470447  <6>[    6.807478] squashfs: version 4.0 (2009/01/31) Phillip Lougher

  662 18:43:29.477514  <5>[    6.814604] NFS: Registering the id_resolver key type

  663 18:43:29.481015  <5>[    6.817255] Key type id_resolver registered

  664 18:43:29.484911  <5>[    6.821633] Key type id_legacy registered

  665 18:43:29.491805  <6>[    6.826417] nfs4filelayout_init: NFSv4 File Layout Driver Registering...

  666 18:43:29.500757  <6>[    6.832896] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering...

  667 18:43:29.505468  <6>[    6.840594] ntfs: driver 2.1.32 [Flags: R/O].

  668 18:43:29.510907  <5>[    6.847282] Key type asymmetric registered

  669 18:43:29.513410  <5>[    6.849461] Asymmetric key parser 'x509' registered

  670 18:43:29.520074  <6>[    6.854956] bounce: pool size: 64 pages

  671 18:43:29.525586  <6>[    6.858734] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 247)

  672 18:43:29.531197  <6>[    6.866383] io scheduler mq-deadline registered

  673 18:43:29.536136  <6>[    6.871045] io scheduler kyber registered

  674 18:43:29.539090  <4>[    6.876330] test_firmware: interface ready

  675 18:43:29.729961  <6>[    7.068406] mxs-dma 110000.dma-apbh: initialized

  676 18:43:29.806017  <4>[    7.138510] imx-sdma 20ec000.sdma: Direct firmware load for imx/sdma/sdma-imx6q.bin failed with error -2

  677 18:43:29.812171  <6>[    7.145734] imx-sdma 20ec000.sdma: external firmware not found, using ROM firmware

  678 18:43:30.067170  <6>[    7.404285] Serial: 8250/16550 driver, 5 ports, IRQ sharing enabled

  679 18:43:30.090955  <6>[    7.429392] SuperH (H)SCI(F) driver initialized

  680 18:43:30.100052  <6>[    7.434520] 2020000.serial: ttymxc0 at MMIO 0x2020000 (irq = 34, base_baud = 5000000) is a IMX

  681 18:43:30.112814  <6>[    7.445942] 21e8000.serial: ttymxc1 at MMIO 0x21e8000 (irq = 81, base_baud = 5000000) is a IMX

  682 18:43:30.115920  <6>[    7.452485] printk: console [ttymxc1] enabled

  683 18:43:30.122910  <6>[    7.452485] printk: console [ttymxc1] enabled

  684 18:43:30.125666  <6>[    7.461299] printk: bootconsole [ec_imx21] disabled

  685 18:43:30.130729  <6>[    7.461299] printk: bootconsole [ec_imx21] disabled

  686 18:43:30.139362  <6>[    7.478134] msm_serial: driver initialized

  687 18:43:30.145563  <6>[    7.483752] STMicroelectronics ASC driver initialized

  688 18:43:30.157120  <6>[    7.495949] STM32 USART driver initialized

  689 18:43:30.187920  <6>[    7.524805] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 0

  690 18:43:30.212158  <4>[    7.548200] panel-simple panel-lcd: supply power not found, using dummy regulator

  691 18:43:30.219984  <4>[    7.556968] panel-simple panel-lcd: Specify missing connector_type

  692 18:43:30.229548  <4>[    7.565162] panel-simple panel-lvds0: supply power not found, using dummy regulator

  693 18:43:30.281096  <6>[    7.621059] brd: module loaded

  694 18:43:30.344131  <6>[    7.684540] loop: module loaded

  695 18:43:30.354715  <6>[    7.691408] lkdtm: No crash points registered, enable through debugfs

  696 18:43:30.379151  <6>[    7.714834] ahci-imx 2200000.sata: fsl,transmit-level-mV not specified, using 00000024

  697 18:43:30.387868  <6>[    7.723142] ahci-imx 2200000.sata: fsl,transmit-boost-mdB not specified, using 00000480

  698 18:43:30.398129  <6>[    7.731521] ahci-imx 2200000.sata: fsl,transmit-atten-16ths not specified, using 00002000

  699 18:43:30.403932  <6>[    7.740002] ahci-imx 2200000.sata: fsl,receive-eq-mdB not specified, using 05000000

  700 18:43:30.411839  <4>[    7.748335] ahci-imx 2200000.sata: supply ahci not found, using dummy regulator

  701 18:43:30.421335  <4>[    7.756992] ahci-imx 2200000.sata: supply phy not found, using dummy regulator

  702 18:43:30.429410  <4>[    7.765089] ahci-imx 2200000.sata: supply target not found, using dummy regulator

  703 18:43:30.440363  <6>[    7.776803] ahci-imx 2200000.sata: SSS flag set, parallel bus scan disabled

  704 18:43:30.449874  <6>[    7.784191] ahci-imx 2200000.sata: AHCI 0001.0300 32 slots 1 ports 3 Gbps 0x1 impl platform mode

  705 18:43:30.458669  <6>[    7.793351] ahci-imx 2200000.sata: flags: ncq sntf stag pm led clo only pmp pio slum part ccc apst 

  706 18:43:30.468353  <6>[    7.808144] scsi host0: ahci-imx

  707 18:43:30.479097  <6>[    7.814124] ata1: SATA max UDMA/133 mmio [mem 0x02200000-0x02203fff] port 0x100 irq 84

  708 18:43:30.544914  <6>[    7.882792] bgmac_bcma: Broadcom 47xx GBit MAC driver loaded

  709 18:43:30.557079  <6>[    7.896874] pps pps0: new PPS source ptp0

  710 18:43:30.606203  <6>[    7.943816] fec 2188000.ethernet eth0: registered PHC device 0

  711 18:43:30.618386  <6>[    7.954993] e1000e: Intel(R) PRO/1000 Network Driver

  712 18:43:30.622624  <6>[    7.960263] e1000e: Copyright(c) 1999 - 2015 Intel Corporation.

  713 18:43:30.628453  <6>[    7.966807] igb: Intel(R) Gigabit Ethernet Network Driver

  714 18:43:30.634444  <6>[    7.972586] igb: Copyright (c) 2007-2014 Intel Corporation.

  715 18:43:30.665901  <6>[    8.002093] pegasus: v0.9.3 (2013/04/25), Pegasus/Pegasus II USB Ethernet driver

  716 18:43:30.672001  <6>[    8.009955] usbcore: registered new interface driver pegasus

  717 18:43:30.678436  <6>[    8.016193] usbcore: registered new interface driver asix

  718 18:43:30.685356  <6>[    8.022096] usbcore: registered new interface driver ax88179_178a

  719 18:43:30.690948  <6>[    8.028632] usbcore: registered new interface driver cdc_ether

  720 18:43:30.697812  <6>[    8.035034] usbcore: registered new interface driver smsc75xx

  721 18:43:30.703277  <6>[    8.041371] usbcore: registered new interface driver smsc95xx

  722 18:43:30.711140  <6>[    8.047566] usbcore: registered new interface driver net1080

  723 18:43:30.716065  <6>[    8.053752] usbcore: registered new interface driver cdc_subset

  724 18:43:30.722603  <6>[    8.060112] usbcore: registered new interface driver zaurus

  725 18:43:30.728224  <6>[    8.066288] usbcore: registered new interface driver cdc_ncm

  726 18:43:30.749081  <6>[    8.086030] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver

  727 18:43:30.756666  <6>[    8.092998] ehci-pci: EHCI PCI platform driver

  728 18:43:30.759838  <6>[    8.097903] ehci-platform: EHCI generic platform driver

  729 18:43:30.764838  <6>[    8.104553] ehci-orion: EHCI orion driver

  730 18:43:30.770133  <6>[    8.109853] SPEAr-ehci: EHCI SPEAr driver

  731 18:43:30.776342  <6>[    8.115145] ehci-st: EHCI STMicroelectronics driver

  732 18:43:30.781748  <6>[    8.121294] ehci-exynos: EHCI Exynos driver

  733 18:43:30.787295  <6>[    8.126686] ehci-atmel: EHCI Atmel driver

  734 18:43:30.792463  <6>[    8.131955] tegra-ehci: Tegra EHCI driver

  735 18:43:30.801681  <6>[    8.137216] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver

  736 18:43:30.806006  <6>[    8.143820] ohci-pci: OHCI PCI platform driver

  737 18:43:30.810930  <6>[    8.148725] ohci-platform: OHCI generic platform driver

  738 18:43:30.816779  <6>[    8.154215] ata1: SATA link down (SStatus 0 SControl 300)

  739 18:43:30.822539  <6>[    8.154561] ahci-imx 2200000.sata: no device found, disabling link.

  740 18:43:30.828169  <6>[    8.161015] SPEAr-ohci: OHCI SPEAr driver

  741 18:43:30.835945  <6>[    8.166691] ahci-imx 2200000.sata: pass ahci_imx..hotplug=1 to enable hotplug

  742 18:43:30.839344  <6>[    8.171926] ohci-st: OHCI STMicroelectronics driver

  743 18:43:30.845312  <6>[    8.184538] ohci-atmel: OHCI Atmel driver

  744 18:43:30.855563  <6>[    8.192672] usbcore: registered new interface driver usb-storage

  745 18:43:30.893553  <6>[    8.233821] i2c /dev entries driver

  746 18:43:30.990262  <6>[    8.326111] sdhci: Secure Digital Host Controller Interface driver

  747 18:43:30.993336  <6>[    8.332652] sdhci: Copyright(c) Pierre Ossman

  748 18:43:31.010143  <6>[    8.347585] Synopsys Designware Multimedia Card Interface Driver

  749 18:43:31.023894  <6>[    8.361887] sdhci-pltfm: SDHCI platform and OF driver helper

  750 18:43:31.035884  <6>[    8.371871] sdhci-esdhc-imx 2198000.mmc: Got CD GPIO

  751 18:43:31.039132  <6>[    8.371894] sdhci-esdhc-imx 219c000.mmc: Got CD GPIO

  752 18:43:31.044286  <6>[    8.382696] sdhci-esdhc-imx 2198000.mmc: Got WP GPIO

  753 18:43:31.052341  <6>[    8.390009] ledtrig-cpu: registered to indicate activity on CPUs

  754 18:43:31.064445  <6>[    8.400446] usbcore: registered new interface driver usbhid

  755 18:43:31.067050  <6>[    8.406420] usbhid: USB HID core driver

  756 18:43:31.074346  <6>[    8.411165] mmc3: SDHCI controller on 219c000.mmc [219c000.mmc] using ADMA

  757 18:43:31.087693  <6>[    8.424131] mmc2: SDHCI controller on 2198000.mmc [2198000.mmc] using ADMA

  758 18:43:31.104603  <6>[    8.442238] ipip: IPv4 and MPLS over IPv4 tunneling driver

  759 18:43:31.111058  <6>[    8.450497] IPv4 over IPsec tunneling driver

  760 18:43:31.121087  <6>[    8.460396] NET: Registered protocol family 10

  761 18:43:31.131318  <6>[    8.471068] Segment Routing with IPv6

  762 18:43:31.137384  <6>[    8.472112] mmc2: new high speed SDHC card at address 0001

  763 18:43:31.142668  <6>[    8.481912] NET: Registered protocol family 17

  764 18:43:31.146999  <6>[    8.485228] mmcblk2: mmc2:0001 SD 14.8 GiB 

  765 18:43:31.151754  <5>[    8.488532] Key type dns_resolver registered

  766 18:43:31.170235  <6>[    8.509682] ThumbEE CPU extension supported.

  767 18:43:31.177914  <4>[    8.514071] GPT:Primary header thinks Alt. header is not at the end of the disk.

  768 18:43:31.184880  <5>[    8.514344] Registering SWP/SWPB emulation handler

  769 18:43:31.187027  <4>[    8.522075] GPT:29296874 != 30965759

  770 18:43:31.192007  <5>[    8.528669] Loading compiled-in X.509 certificates

  771 18:43:31.200199  <4>[    8.530988] GPT:Alternate GPT header not at the end of the disk.

  772 18:43:31.204153  <4>[    8.542594] GPT:29296874 != 30965759

  773 18:43:31.207870  <4>[    8.546483] GPT: Use GNU Parted to correct GPT errors.

  774 18:43:31.211376  <6>[    8.552084]  mmcblk2: p1 p2 p3

  775 18:43:31.430900  <4>[    8.766444] panel-simple panel-lcd: supply power not found, using dummy regulator

  776 18:43:31.438104  <4>[    8.775370] panel-simple panel-lcd: Specify missing connector_type

  777 18:43:31.455632  <4>[    8.791726] panel-simple panel-lvds0: supply power not found, using dummy regulator

  778 18:43:31.500032  <4>[    8.836868] imx_usb 2184200.usb: No over current polarity defined

  779 18:43:31.513207  <6>[    8.851486] ci_hdrc ci_hdrc.1: EHCI Host Controller

  780 18:43:31.520368  <6>[    8.857067] ci_hdrc ci_hdrc.1: new USB bus registered, assigned bus number 1

  781 18:43:31.554474  <6>[    8.892883] ci_hdrc ci_hdrc.1: USB 2.0 started, EHCI 1.00

  782 18:43:31.576088  <6>[    8.915720] hub 1-0:1.0: USB hub found

  783 18:43:31.581372  <6>[    8.920926] hub 1-0:1.0: 1 port detected

  784 18:43:31.603169  <3>[    8.939183] imx_thermal 20c8000.anatop:tempmon: invalid sensor calibration data

  785 18:43:31.612941  <3>[    8.946891] imx_thermal 20c8000.anatop:tempmon: error -EINVAL: failed to init from nvmem

  786 18:43:31.620005  <4>[    8.955623] imx_thermal: probe of 20c8000.anatop:tempmon failed with error -22

  787 18:43:31.655154  <4>[    8.990600] panel-simple panel-lcd: supply power not found, using dummy regulator

  788 18:43:31.662291  <4>[    8.999476] panel-simple panel-lcd: Specify missing connector_type

  789 18:43:31.679891  <4>[    9.015733] panel-simple panel-lvds0: supply power not found, using dummy regulator

  790 18:43:31.719548  <4>[    9.055137] panel-simple panel-lcd: supply power not found, using dummy regulator

  791 18:43:31.726316  <4>[    9.063967] panel-simple panel-lcd: Specify missing connector_type

  792 18:43:31.744236  <4>[    9.080136] panel-simple panel-lvds0: supply power not found, using dummy regulator

  793 18:43:31.766083  <6>[    9.102569] input: gpio-keys as /devices/platform/gpio-keys/input/input0

  794 18:43:31.805338  <4>[    9.140796] panel-simple panel-lcd: supply power not found, using dummy regulator

  795 18:43:31.811849  <4>[    9.149593] panel-simple panel-lcd: Specify missing connector_type

  796 18:43:31.830535  <4>[    9.165988] panel-simple panel-lvds0: supply power not found, using dummy regulator

  797 18:43:31.861669  <6>[    9.190931] Micrel KSZ9021 Gigabit PHY 2188000.ethernet-1:06: attached PHY driver [Micrel KSZ9021 Gigabit PHY] (mii_bus:phy_addr=2188000.ethernet-1:06, irq=POLL)

  798 18:43:32.014587  <6>[    9.351706] usb 1-1: new high-speed USB device number 2 using ci_hdrc

  799 18:43:32.220996  <6>[    9.560600] hub 1-1:1.0: USB hub found

  800 18:43:32.226152  <6>[    9.565709] hub 1-1:1.0: 3 ports detected

  801 18:43:32.269251  <4>[    9.604945] panel-simple panel-lcd: supply power not found, using dummy regulator

  802 18:43:32.276517  <4>[    9.613741] panel-simple panel-lcd: Specify missing connector_type

  803 18:43:32.294632  <4>[    9.630036] panel-simple panel-lvds0: supply power not found, using dummy regulator

  804 18:43:33.947511  <6>[   11.283022] fec 2188000.ethernet eth0: Link is Up - 100Mbps/Full - flow control rx/tx

  805 18:43:33.964825  <6>[   11.301367] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready

  806 18:43:34.031668  <5>[   11.332392] Sending DHCP requests ., OK

  807 18:43:34.040962  <6>[   11.375913] IP-Config: Got DHCP answer from 192.168.101.1, my address is 192.168.101.101

  808 18:43:34.044144  <6>[   11.384599] IP-Config: Complete:

  809 18:43:34.056598  <6>[   11.388177]      device=eth0, hwaddr=00:19:b8:00:e5:47, ipaddr=192.168.101.101, mask=255.255.255.0, gw=192.168.101.1

  810 18:43:34.064722  <6>[   11.399203]      host=imx6q-sabrelite-cbg-2, domain=lava.cbg.collabora.co.uk, nis-domain=(none)

  811 18:43:34.073779  <6>[   11.408366]      bootserver=192.168.101.1, rootserver=192.168.101.1, rootpath=

  812 18:43:34.076610  <6>[   11.408413]      nameserver0=192.168.101.1

  813 18:43:34.152466  <6>[   11.491567] Freeing unused kernel memory: 2048K

  814 18:43:34.162302  <6>[   11.502302] Run /init as init process

  815 18:43:34.234759  Loading, please wait...

  816 18:43:34.378157  Starting version 247.3-7+deb11u1

  817 18:43:39.288155  <6>[   16.627224] imx-ipuv3 2400000.ipu: IPUv3H probed

  818 18:43:39.336160  <4>[   16.672556] panel-simple panel-lcd: supply power not found, using dummy regulator

  819 18:43:39.346873  <4>[   16.684058] panel-simple panel-lcd: Specify missing connector_type

  820 18:43:39.359178  <6>[   16.698534] imx-ipuv3 2800000.ipu: IPUv3H probed

  821 18:43:39.367768  <4>[   16.700158] panel-simple panel-lvds0: supply power not found, using dummy regulator

  822 18:43:39.427903  <4>[   16.764019] panel-simple panel-lcd: supply power not found, using dummy regulator

  823 18:43:39.435307  <4>[   16.773009] panel-simple panel-lcd: Specify missing connector_type

  824 18:43:39.439374  <6>[   16.777900] CAN device driver interface

  825 18:43:39.455410  <4>[   16.791221] panel-simple panel-lvds0: supply power not found, using dummy regulator

  826 18:43:39.503831  <6>[   16.840626] etnaviv etnaviv: bound 130000.gpu (ops gpu_ops [etnaviv])

  827 18:43:39.525460  <4>[   16.860677] panel-simple panel-lcd: supply power not found, using dummy regulator

  828 18:43:39.531111  <6>[   16.866977] etnaviv etnaviv: bound 134000.gpu (ops gpu_ops [etnaviv])

  829 18:43:39.537699  <4>[   16.869670] panel-simple panel-lcd: Specify missing connector_type

  830 18:43:39.558155  <6>[   16.894851] etnaviv etnaviv: bound 2204000.gpu (ops gpu_ops [etnaviv])

  831 18:43:39.565457  <6>[   16.902216] etnaviv-gpu 130000.gpu: model: GC2000, revision: 5108

  832 18:43:39.572751  <4>[   16.905211] panel-simple panel-lvds0: supply power not found, using dummy regulator

  833 18:43:39.611773  <6>[   16.949158] etnaviv-gpu 134000.gpu: model: GC320, revision: 5007

  834 18:43:39.620050  <6>[   16.957844] etnaviv-gpu 2204000.gpu: model: GC355, revision: 1215

  835 18:43:39.627265  <6>[   16.964357] etnaviv-gpu 2204000.gpu: Ignoring GPU with VG and FE2.0

  836 18:43:39.639204  <6>[   16.976088] [drm] Initialized etnaviv 1.3.0 20151214 for etnaviv on minor 1

  837 18:43:39.657694  <6>[   16.991876] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm])

  838 18:43:39.663928  <4>[   16.999793] panel-simple panel-lcd: supply power not found, using dummy regulator

  839 18:43:39.673155  <6>[   17.000992] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm])

  840 18:43:39.679292  <4>[   17.011680] panel-simple panel-lcd: Specify missing connector_type

  841 18:43:39.687890  <6>[   17.017537] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm])

  842 18:43:39.696850  <6>[   17.032423] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm])

  843 18:43:39.711334  <4>[   17.047045] panel-simple panel-lvds0: supply power not found, using dummy regulator

  844 18:43:39.719224  <6>[   17.057883] caam 2100000.crypto: Entropy delay = 3200

  845 18:43:39.786038  <6>[   17.124241] caam 2100000.crypto: Instantiated RNG4 SH0

  846 18:43:39.846367  <6>[   17.185006] caam 2100000.crypto: Instantiated RNG4 SH1

  847 18:43:39.853264  <6>[   17.190492] caam 2100000.crypto: device ID = 0x0a16010000000000 (Era 4)

  848 18:43:39.858964  <6>[   17.197510] caam 2100000.crypto: job rings = 2, qi = 0

  849 18:43:39.912845  <4>[   17.247987] panel-simple panel-lcd: supply power not found, using dummy regulator

  850 18:43:39.916986  <6>[   17.248392] sgtl5000 0-000a: sgtl5000 revision 0x11

  851 18:43:39.923916  <4>[   17.256996] panel-simple panel-lcd: Specify missing connector_type

  852 18:43:39.934190  <6>[   17.270302] sgtl5000 0-000a: Using internal LDO instead of VDDD: check ER1 erratum

  853 18:43:39.971295  <4>[   17.307264] panel-simple panel-lvds0: supply power not found, using dummy regulator

  854 18:43:40.008129  <4>[   17.343975] usb_phy_generic usbphynop1: supply vcc not found, using dummy regulator

  855 18:43:40.027827  <4>[   17.363114] usb_phy_generic usbphynop1: dummy supplies not allowed for exclusive requests

  856 18:43:40.036959  <4>[   17.372545] usb_phy_generic usbphynop2: supply vcc not found, using dummy regulator

  857 18:43:40.046120  <4>[   17.381521] usb_phy_generic usbphynop2: dummy supplies not allowed for exclusive requests

  858 18:43:40.064980  <6>[   17.399990] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm])

  859 18:43:40.073997  <6>[   17.409175] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm])

  860 18:43:40.082526  <6>[   17.418118] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm])

  861 18:43:40.091592  <6>[   17.426967] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm])

  862 18:43:40.122490  <4>[   17.458156] panel-simple panel-lcd: supply power not found, using dummy regulator

  863 18:43:40.129687  <4>[   17.467231] panel-simple panel-lcd: Specify missing connector_type

  864 18:43:40.150502  <4>[   17.485841] panel-simple panel-lvds0: supply power not found, using dummy regulator

  865 18:43:41.103390  <6>[   18.441653] caam algorithms registered in /proc/crypto

  866 18:43:41.115679  <6>[   18.453484] caam 2100000.crypto: registering rng-caam

  867 18:43:41.242207  <5>[   18.582576] random: crng init done

  868 18:43:41.274591  <6>[   18.609371] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm])

  869 18:43:41.282639  <6>[   18.618263] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm])

  870 18:43:41.294482  <6>[   18.627139] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm])

  871 18:43:41.300894  <6>[   18.635937] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm])

  872 18:43:41.317884  <4>[   18.653756] panel-simple panel-lcd: supply power not found, using dummy regulator

  873 18:43:41.327179  <4>[   18.664079] panel-simple panel-lcd: Specify missing connector_type

  874 18:43:41.347380  <4>[   18.683114] panel-simple panel-lvds0: supply power not found, using dummy regulator

  875 18:43:41.395600  <6>[   18.731082] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm])

  876 18:43:41.404968  <6>[   18.739959] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm])

  877 18:43:41.413606  <6>[   18.749021] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm])

  878 18:43:41.425933  Begin: Loading essential drivers <6>[   18.757957] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm])

  879 18:43:41.426399  ... done.

  880 18:43:41.440704  Begin: Running /scripts/init-premount ... done.

  881 18:43:41.447691  Begin: Mounting root file system ... Begin: Running /scripts/nfs-top ... done.

  882 18:43:41.455526  Begin: Running /scripts/nfs-premount ... Waiting up to 60 secs for any ethernet to become available

  883 18:43:41.480634  Device /sys/class/net/eth0 found

  884 18:43:41.481143  done.

  885 18:43:41.763736  IP-Config: eth0 hardware address 00:19:b8:00:e5:47 mtu 1500 DHCP

  886 18:43:41.775959  IP-Config: eth0 complete (dhcp from 192.168.101.1):

  887 18:43:41.780211   address: 192.168.101.101  broadcast: 192.168.101.255  netmask: 255.255.255.0   

  888 18:43:41.788154   gateway: 192.168.101.1    dns0     : 192.168.101.1    dns1   : 0.0.0.0         

  889 18:43:41.793993   host   : imx6q-sabrelite-cbg-2                                           

  890 18:43:41.799595   domain : lava.cbg.collabora.co.uk                                        

  891 18:43:41.803978   rootserver: 192.168.101.1 rootpath: 

  892 18:43:41.804331   filename  : 

  893 18:43:42.817748  done.

  894 18:43:42.833331  Begin: Running /scripts/nfs-bottom ... done.

  895 18:43:42.911462  Begin: Running /scripts/init-bottom ... done.

  896 18:43:44.613614  <30>[   21.950868] systemd[1]: System time before build time, advancing clock.

  897 18:43:44.872508  <30>[   22.193305] 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)

  898 18:43:44.887873  <30>[   22.226945] systemd[1]: Detected architecture arm.

  899 18:43:44.911658  

  900 18:43:44.914452  Welcome to Debian GNU/Linux 11 (bullseye)!

  901 18:43:44.914911  

  902 18:43:44.960672  <30>[   22.298330] systemd[1]: Set hostname to <debian-bullseye-armhf>.

  903 18:43:46.840997  <30>[   24.177301] systemd[1]: Queued start job for default target Graphical Interface.

  904 18:43:46.855876  <30>[   24.194046] systemd[1]: Created slice system-getty.slice.

  905 18:43:46.865351  [  OK  ] Created slice system-getty.slice.

  906 18:43:46.908910  <30>[   24.246818] systemd[1]: Created slice system-modprobe.slice.

  907 18:43:46.917708  [  OK  ] Created slice system-modprobe.slice.

  908 18:43:46.959531  <30>[   24.296872] systemd[1]: Created slice system-serial\x2dgetty.slice.

  909 18:43:46.973899  [  OK  ] Created slice system-serial\x2dgetty.slice.

  910 18:43:47.007927  <30>[   24.346124] systemd[1]: Created slice User and Session Slice.

  911 18:43:47.022228  [  OK  ] Created slice User and Session Slice.

  912 18:43:47.060565  <30>[   24.395887] systemd[1]: Started Dispatch Password Requests to Console Directory Watch.

  913 18:43:47.076427  [  OK  ] Started Dispatch Password …ts to Console Directory Watch.

  914 18:43:47.108969  <30>[   24.445183] systemd[1]: Started Forward Password Requests to Wall Directory Watch.

  915 18:43:47.125175  [  OK  ] Started Forward Password R…uests to Wall Directory Watch.

  916 18:43:47.160836  <30>[   24.492962] systemd[1]: Condition check resulted in Arbitrary Executable File Formats File System Automount Point being skipped.

  917 18:43:47.169196  <30>[   24.507269] systemd[1]: Reached target Local Encrypted Volumes.

  918 18:43:47.178739  [  OK  ] Reached target Local Encrypted Volumes.

  919 18:43:47.214080  <30>[   24.553266] systemd[1]: Reached target Paths.

  920 18:43:47.224436  [  OK  ] Reached target Paths.

  921 18:43:47.253952  <30>[   24.592359] systemd[1]: Reached target Remote File Systems.

  922 18:43:47.267094  [  OK  ] Reached target Remote File Systems.

  923 18:43:47.292899  <30>[   24.632263] systemd[1]: Reached target Slices.

  924 18:43:47.304696  [  OK  ] Reached target Slices.

  925 18:43:47.333790  <30>[   24.673462] systemd[1]: Reached target Swap.

  926 18:43:47.344382  [  OK  ] Reached target Swap.

  927 18:43:47.376714  <30>[   24.713747] systemd[1]: Listening on initctl Compatibility Named Pipe.

  928 18:43:47.387716  [  OK  ] Listening on initctl Compatibility Named Pipe.

  929 18:43:47.478399  <30>[   24.814323] systemd[1]: Condition check resulted in Journal Audit Socket being skipped.

  930 18:43:47.495860  <30>[   24.833755] systemd[1]: Listening on Journal Socket (/dev/log).

  931 18:43:47.508670  [  OK  ] Listening on Journal Socket (/dev/log).

  932 18:43:47.560299  <30>[   24.898651] systemd[1]: Listening on Journal Socket.

  933 18:43:47.572001  [  OK  ] Listening on Journal Socket.

  934 18:43:47.612752  <30>[   24.949905] systemd[1]: Listening on Network Service Netlink Socket.

  935 18:43:47.627377  [  OK  ] Listening on Network Service Netlink Socket.

  936 18:43:47.665385  <30>[   25.003503] systemd[1]: Listening on udev Control Socket.

  937 18:43:47.678381  [  OK  ] Listening on udev Control Socket.

  938 18:43:47.718476  <30>[   25.056998] systemd[1]: Listening on udev Kernel Socket.

  939 18:43:47.727435  [  OK  ] Listening on udev Kernel Socket.

  940 18:43:47.770804  <30>[   25.105774] systemd[1]: Condition check resulted in Huge Pages File System being skipped.

  941 18:43:47.782876  <30>[   25.117298] systemd[1]: Condition check resulted in POSIX Message Queue File System being skipped.

  942 18:43:47.801027  <30>[   25.139222] systemd[1]: Mounting Kernel Debug File System...

  943 18:43:47.809643           Mounting Kernel Debug File System...

  944 18:43:47.860644  <30>[   25.198198] systemd[1]: Mounting Kernel Trace File System...

  945 18:43:47.868382           Mounting Kernel Trace File System...

  946 18:43:47.912415  <30>[   25.246903] systemd[1]: Starting Create list of static device nodes for the current kernel...

  947 18:43:47.925943           Starting Create list of st…odes for the current kernel...

  948 18:43:47.970945  <30>[   25.305316] systemd[1]: Starting Load Kernel Module configfs...

  949 18:43:47.977684           Starting Load Kernel Module configfs...

  950 18:43:48.016772  <30>[   25.355170] systemd[1]: Starting Load Kernel Module drm...

  951 18:43:48.026388           Starting Load Kernel Module drm...

  952 18:43:48.066214  <30>[   25.404589] systemd[1]: Starting Load Kernel Module fuse...

  953 18:43:48.075687           Starting Load Kernel Module fuse...

  954 18:43:48.097486  <30>[   25.432302] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped.

  955 18:43:48.134986  <30>[   25.472905] systemd[1]: Starting Journal Service...

  956 18:43:48.141951           Starting Journal Service...

  957 18:43:48.171853  <6>[   25.511339] fuse: init (API version 7.32)

  958 18:43:48.199486  <30>[   25.537990] systemd[1]: Starting Load Kernel Modules...

  959 18:43:48.207514           Starting Load Kernel Modules...

  960 18:43:48.256783  <30>[   25.593954] systemd[1]: Starting Remount Root and Kernel File Systems...

  961 18:43:48.266707           Starting Remount Root and Kernel File Systems...

  962 18:43:48.316189  <30>[   25.653670] systemd[1]: Starting Coldplug All udev Devices...

  963 18:43:48.324438           Starting Coldplug All udev Devices...

  964 18:43:48.386710  <30>[   25.725245] systemd[1]: Mounted Kernel Debug File System.

  965 18:43:48.396753  [  OK  ] Mounted Kernel Debug File System.

  966 18:43:48.439598  <30>[   25.776011] systemd[1]: Mounted Kernel Trace File System.

  967 18:43:48.447400  [  OK  ] Mounted Kernel Trace File System.

  968 18:43:48.497832  <30>[   25.833076] systemd[1]: Finished Create list of static device nodes for the current kernel.

  969 18:43:48.508855  [  OK  ] Finished Create list of st… nodes for the current kernel.

  970 18:43:48.594355  <30>[   25.932135] systemd[1]: modprobe@configfs.service: Succeeded.

  971 18:43:48.605941  <30>[   25.943779] systemd[1]: Finished Load Kernel Module configfs.

  972 18:43:48.615670  [  OK  ] Finished Load Kernel Module configfs.

  973 18:43:48.660299  <30>[   25.998785] systemd[1]: modprobe@drm.service: Succeeded.

  974 18:43:48.671747  <30>[   26.010373] systemd[1]: Finished Load Kernel Module drm.

  975 18:43:48.681010  [  OK  ] Finished Load Kernel Module drm.

  976 18:43:48.720935  <30>[   26.058854] systemd[1]: modprobe@fuse.service: Succeeded.

  977 18:43:48.732785  <30>[   26.070978] systemd[1]: Finished Load Kernel Module fuse.

  978 18:43:48.742061  [  OK  ] Finished Load Kernel Module fuse.

  979 18:43:48.780205  <30>[   26.118589] systemd[1]: Finished Load Kernel Modules.

  980 18:43:48.788919  [  OK  ] Finished Load Kernel Modules.

  981 18:43:48.831293  <30>[   26.168577] systemd[1]: Finished Remount Root and Kernel File Systems.

  982 18:43:48.841006  [  OK  ] Finished Remount Root and Kernel File Systems.

  983 18:43:48.888134  <30>[   26.226493] systemd[1]: Mounting FUSE Control File System...

  984 18:43:48.898014           Mounting FUSE Control File System...

  985 18:43:48.945834  <30>[   26.283105] systemd[1]: Mounting Kernel Configuration File System...

  986 18:43:48.963553           Mounting Kernel Configuration File System...

  987 18:43:49.018153  <30>[   26.353176] systemd[1]: Condition check resulted in Rebuild Hardware Database being skipped.

  988 18:43:49.029902  <30>[   26.363626] systemd[1]: Condition check resulted in Platform Persistent Storage Archival being skipped.

  989 18:43:49.047107  <30>[   26.385217] systemd[1]: Starting Load/Save Random Seed...

  990 18:43:49.055176           Starting Load/Save Random Seed...

  991 18:43:49.106796  <30>[   26.444802] systemd[1]: Starting Apply Kernel Variables...

  992 18:43:49.117843           Starting Apply Kernel Variables...

  993 18:43:49.160331  <30>[   26.498081] systemd[1]: Starting Create System Users...

  994 18:43:49.173661           Starting Create System Users...

  995 18:43:49.213206  <30>[   26.551547] systemd[1]: Started Journal Service.

  996 18:43:49.220907  [  OK  ] Started Journal Service.

  997 18:43:49.271932  [  OK  ] Mounted FUSE Control File System.

  998 18:43:49.320231  [  OK  ] Mounted Kernel Configuration File System.

  999 18:43:49.372877  [  OK  ] Finished Load/Save Random Seed.

 1000 18:43:49.424596  [  OK  ] Finished Apply Kernel Variables.

 1001 18:43:49.473930  [  OK  ] Finished Create System Users.

 1002 18:43:49.540076           Starting Flush Journal to Persistent Storage...

 1003 18:43:49.599993           Starting Create Static Device Nodes in /dev...

 1004 18:43:49.692039  <46>[   27.028199] systemd-journald[273]: Received client request to flush runtime journal.

 1005 18:43:49.847438  [  OK  ] Finished Create Static Device Nodes in /dev.

 1006 18:43:49.879185  [  OK  ] Reached target Local File Systems (Pre).

 1007 18:43:49.927144  [  OK  ] Reached target Local File Systems.

 1008 18:43:49.996650           Starting Rule-based Manage…for Device Events and Files...

 1009 18:43:51.575308  [  OK  ] Finished Flush Journal to Persistent Storage.

 1010 18:43:51.631260           Starting Create Volatile Files and Directories...

 1011 18:43:51.797631  [  OK  ] Started Rule-based Manager for Device Events and Files.

 1012 18:43:51.891741           Starting Network Service...

 1013 18:43:53.001405  [  OK  ] Finished Create Volatile Files and Directories.

 1014 18:43:53.074781           Starting Network Time Synchronization...

 1015 18:43:53.137720           Starting Update UTMP about System Boot/Shutdown...

 1016 18:43:53.424294  [  OK  ] Started Network Service.

 1017 18:43:53.521714           Starting Network Name Resolution...

 1018 18:43:53.653826  [  OK  ] Finished Update UTMP about System Boot/Shutdown.

 1019 18:43:54.644046  [  OK  ] Started Network Time Synchronization.

 1020 18:43:54.681232  [  OK  ] Reached target System Time Set.

 1021 18:43:54.729401  [  OK  ] Reached target System Time Synchronized.

 1022 18:43:55.466921  [  OK  ] Started Network Name Resolution.

 1023 18:43:55.495920  [  OK  ] Reached target Network.

 1024 18:43:55.508462  [  OK  ] Reached target Host and Network Name Lookups.

 1025 18:43:55.890529  [  OK  ] Finished Coldplug All udev Devices.

 1026 18:43:55.927869  [  OK  ] Reached target System Initialization.

 1027 18:43:56.557121  [  OK  ] Started Daily apt download activities.

 1028 18:43:56.652877  [  OK  ] Started Daily apt upgrade and clean activities.

 1029 18:43:56.695983  [  OK  ] Started Periodic ext4 Onli…ata Check for All Filesystems.

 1030 18:43:56.715714  [  OK  ] Started Discard unused blocks once a week.

 1031 18:43:56.757937  [  OK  ] Started Daily Cleanup of Temporary Directories.

 1032 18:43:56.795448  [  OK  ] Reached target Timers.

 1033 18:43:57.034619  [  OK  ] Listening on D-Bus System Message Bus Socket.

 1034 18:43:57.066186  [  OK  ] Reached target Sockets.

 1035 18:43:57.096227  [  OK  ] Reached target Basic System.

 1036 18:43:57.169032  [  OK  ] Started D-Bus System Message Bus.

 1037 18:43:57.247573           Starting Remove Stale Onli…t4 Metadata Check Snapshots...

 1038 18:43:57.500909           Starting User Login Management...

 1039 18:43:57.572111           Starting Permit User Sessions...

 1040 18:43:57.853322  [  OK  ] Found device /dev/ttymxc1.

 1041 18:43:57.964593  [  OK  ] Finished Permit User Sessions.

 1042 18:43:59.069242  [  OK  ] Finished Remove Stale Onli…ext4 Metadata Check Snapshots.

 1043 18:44:01.126394  [*     ] A start job is running for User Login Management (14s / 1min 40s)

 1044 18:44:01.331333  M

 1045 18:44:01.335375  [  OK  ] Started User Login Management.

 1046 18:44:01.378090  [  OK  ] Reached target Hardware activated USB gadget.

 1047 18:44:01.417710  [  OK  ] Listening on Load/Save RF …itch Status /dev/rfkill Watch.

 1048 18:44:01.473030  [  OK  ] Started Getty on tty1.

 1049 18:44:01.534027  [  OK  ] Started Serial Getty on ttymxc1.

 1050 18:44:01.571408  [  OK  ] Reached target Login Prompts.

 1051 18:44:01.614863  [  OK  ] Reached target Multi-User System.

 1052 18:44:01.652257  [  OK  ] Reached target Graphical Interface.

 1053 18:44:01.714448           Starting Update UTMP about System Runlevel Changes...

 1054 18:44:01.912329  [  OK  ] Finished Update UTMP about System Runlevel Changes.

 1055 18:44:02.049440  

 1056 18:44:02.049898  

 1057 18:44:02.055423  Debian GNU/Linux 11 debian-bullseye-armhf ttymxc1

 1058 18:44:02.055668  

 1059 18:44:02.056582  debian-bullseye-armhf login: root (automatic login)

 1060 18:44:02.056853  

 1061 18:44:02.057321  

 1062 18:44:02.666504  Linux debian-bullseye-armhf 5.10.170-cip27 #1 SMP Sat Feb 25 18:26:27 UTC 2023 armv7l

 1063 18:44:02.667034  

 1064 18:44:02.672413  The programs included with the Debian GNU/Linux system are free software;

 1065 18:44:02.677593  the exact distribution terms for each program are described in the

 1066 18:44:02.682770  individual files in /usr/share/doc/*/copyright.

 1067 18:44:02.683157  

 1068 18:44:02.688577  Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent

 1069 18:44:02.690289  permitted by applicable law.

 1070 18:44:08.481276  Matched prompt #10: / #
 1072 18:44:08.482782  Setting prompt string to ['/ #']
 1073 18:44:08.483358  end: 2.4.4.1 login-action (duration 00:00:47) [common]
 1075 18:44:08.484683  end: 2.4.4 auto-login-action (duration 00:00:48) [common]
 1076 18:44:08.485249  start: 2.4.5 expect-shell-connection (timeout 00:03:13) [common]
 1077 18:44:08.485687  Setting prompt string to ['/ #']
 1078 18:44:08.486161  Forcing a shell prompt, looking for ['/ #']
 1080 18:44:08.537521  / # 

 1081 18:44:08.538397  expect-shell-connection: Wait for prompt ['/ #'] (timeout 00:05:00)
 1082 18:44:08.539153  Waiting using forced prompt support (timeout 00:02:30)
 1083 18:44:08.542279  

 1084 18:44:08.563239  end: 2.4.5 expect-shell-connection (duration 00:00:00) [common]
 1085 18:44:08.563684  start: 2.4.6 export-device-env (timeout 00:03:13) [common]
 1086 18:44:08.564019  Sending with 10 millisecond of delay
 1088 18:44:13.656097  / # export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/9334776/extract-nfsrootfs-s2epve10'

 1089 18:44:13.667304  export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/9334776/extract-nfsrootfs-s2epve10'

 1090 18:44:13.671239  Sending with 10 millisecond of delay
 1092 18:44:15.903349  / # export NFS_SERVER_IP='192.168.101.1'

 1093 18:44:15.914876  export NFS_SERVER_IP='192.168.101.1'

 1094 18:44:15.918338  end: 2.4.6 export-device-env (duration 00:00:07) [common]
 1095 18:44:15.919110  end: 2.4 uboot-commands (duration 00:01:54) [common]
 1096 18:44:15.919796  end: 2 uboot-action (duration 00:01:54) [common]
 1097 18:44:15.920404  start: 3 lava-test-retry (timeout 00:07:05) [common]
 1098 18:44:15.921049  start: 3.1 lava-test-shell (timeout 00:07:05) [common]
 1099 18:44:15.921516  Using namespace: common
 1101 18:44:16.023289  / # #

 1102 18:44:16.024085  lava-test-shell: Wait for prompt ['/ #'] (timeout 00:10:00)
 1103 18:44:16.026894  #

 1104 18:44:16.037241  Using /lava-9334776
 1106 18:44:16.139057  / # export SHELL=/bin/bash

 1107 18:44:16.142811  export SHELL=/bin/bash

 1109 18:44:16.254692  / # . /lava-9334776/environment

 1110 18:44:16.257982  . /lava-9334776/environment

 1112 18:44:16.380636  / # /lava-9334776/bin/lava-test-runner /lava-9334776/0

 1113 18:44:16.381242  Test shell timeout: 10s (minimum of the action and connection timeout)
 1114 18:44:16.383916  /lava-9334776/bin/lava-test-runner /lava-9334776/0

 1115 18:44:17.110419  + export TESTRUN_ID=0_timesync-off

 1116 18:44:17.112921  + TESTRUN_ID=0_timesync-off

 1117 18:44:17.115346  + cd /lava-9334776/0/tests/0_timesync-off

 1118 18:44:17.115967  ++ cat uuid

 1119 18:44:17.153532  + UUID=9334776_1.6.2.4.1

 1120 18:44:17.153985  + set +x

 1121 18:44:17.159080  <LAVA_SIGNAL_STARTRUN 0_timesync-off 9334776_1.6.2.4.1>

 1122 18:44:17.159890  Received signal: <STARTRUN> 0_timesync-off 9334776_1.6.2.4.1
 1123 18:44:17.160348  Starting test lava.0_timesync-off (9334776_1.6.2.4.1)
 1124 18:44:17.160903  Skipping test definition patterns.
 1125 18:44:17.161956  + systemctl stop systemd-timesyncd

 1126 18:44:17.326266  + set +x

 1127 18:44:17.329979  <LAVA_SIGNAL_ENDRUN 0_timesync-off 9334776_1.6.2.4.1>

 1128 18:44:17.330688  Received signal: <ENDRUN> 0_timesync-off 9334776_1.6.2.4.1
 1129 18:44:17.331120  Ending use of test pattern.
 1130 18:44:17.331465  Ending test lava.0_timesync-off (9334776_1.6.2.4.1), duration 0.17
 1132 18:44:17.571951  + export TESTRUN_ID=1_kselftest-lkdtm

 1133 18:44:17.575184  + TESTRUN_ID=1_kselftest-lkdtm

 1134 18:44:17.578789  + cd /lava-9334776/0/tests/1_kselftest-lkdtm

 1135 18:44:17.579065  ++ cat uuid

 1136 18:44:17.614849  + UUID=9334776_1.6.2.4.5

 1137 18:44:17.615326  + set +x

 1138 18:44:17.620865  <LAVA_SIGNAL_STARTRUN 1_kselftest-lkdtm 9334776_1.6.2.4.5>

 1139 18:44:17.621360  Received signal: <STARTRUN> 1_kselftest-lkdtm 9334776_1.6.2.4.5
 1140 18:44:17.621598  Starting test lava.1_kselftest-lkdtm (9334776_1.6.2.4.5)
 1141 18:44:17.621866  Skipping test definition patterns.
 1142 18:44:17.622776  + cd ./automated/linux/kselftest/

 1143 18:44:17.651046  + ./kselftest.sh -c lkdtm -T '' -t kselftest_armhf.tar.gz -s True -u http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.168-cip27-86-g19cf8cd2dd993/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

 1144 18:44:17.739007  INFO: Generating a skipfile based on /lava-9334776/0/tests/1_kselftest-lkdtm/automated/linux/kselftest/skipfile-lkft.yaml

 1145 18:44:17.920016  INFO: Using the following generated skipfile contents (until EOF):

 1146 18:44:17.933187  breakpoints:breakpoint_test

 1147 18:44:17.934086  breakpoints:step_after_suspend_test

 1148 18:44:17.935038  ftrace:ftracetest

 1149 18:44:17.937783  net:rtnetlink.sh

 1150 18:44:17.938075  net:tls

 1151 18:44:17.941654  netfilter:bridge_brouter.sh

 1152 18:44:17.945300  netfilter:nft_flowtable.sh

 1153 18:44:17.945623  netfilter:nft_trans_stress.sh

 1154 18:44:17.947307  pidfd:pidfd_wait

 1155 18:44:17.947991  INFO: EOF

 1156 18:44:18.051957  INFO: install_deps skipped

 1157 18:44:18.225252  --2023-02-25 18:44:18--  http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.168-cip27-86-g19cf8cd2dd993/arm/multi_v7_defconfig+kselftest/gcc-10/kselftest.tar.xz

 1158 18:44:18.256880  Resolving storage.kernelci.org (storage.kernelci.org)... 52.250.1.28

 1159 18:44:18.402239  Connecting to storage.kernelci.org (storage.kernelci.org)|52.250.1.28|:80... connected.

 1160 18:44:18.548989  HTTP request sent, awaiting response... 200 OK

 1161 18:44:18.553014  Length: 1408208 (1.3M) [application/octet-stream]

 1162 18:44:18.557761  Saving to: 'kselftest.tar.xz'

 1163 18:44:18.558077  

 1164 18:44:18.558403  

 1165 18:44:18.839829  kselftest.tar.xz      0%[                    ]       0  --.-KB/s               

 1166 18:44:19.129822  kselftest.tar.xz      3%[                    ]  47.81K   167KB/s               

 1167 18:44:19.443747  kselftest.tar.xz     15%[==>                 ] 219.84K   382KB/s               

 1168 18:44:19.745009  kselftest.tar.xz     24%[===>                ] 341.45K   385KB/s               

 1169 18:44:19.885214  kselftest.tar.xz     73%[=============>      ]   1015K   854KB/s               

 1170 18:44:19.891349  kselftest.tar.xz    100%[===================>]   1.34M  1.01MB/s    in 1.3s    

 1171 18:44:19.891766  

 1172 18:44:20.030046  2023-02-25 18:44:20 (1.01 MB/s) - 'kselftest.tar.xz' saved [1408208/1408208]

 1173 18:44:20.030368  

 1174 18:44:25.999840  skiplist:

 1175 18:44:26.002059  ========================================

 1176 18:44:26.002949  breakpoints:breakpoint_test

 1177 18:44:26.295968  breakpoints:step_after_suspend_test

 1178 18:44:26.364750  ftrace:ftracetest

 1179 18:44:26.429645  net:rtnetlink.sh

 1180 18:44:26.482821  net:tls

 1181 18:44:26.540710  netfilter:bridge_brouter.sh

 1182 18:44:26.595154  netfilter:nft_flowtable.sh

 1183 18:44:26.650876  netfilter:nft_trans_stress.sh

 1184 18:44:26.704083  pidfd:pidfd_wait

 1185 18:44:26.769848  ========================================

 1186 18:44:26.911917  lkdtm:PANIC.sh

 1187 18:44:26.912648  lkdtm:BUG.sh

 1188 18:44:26.913026  lkdtm:WARNING.sh

 1189 18:44:26.916208  lkdtm:WARNING_MESSAGE.sh

 1190 18:44:26.916533  lkdtm:EXCEPTION.sh

 1191 18:44:26.917094  lkdtm:LOOP.sh

 1192 18:44:26.920980  lkdtm:EXHAUST_STACK.sh

 1193 18:44:26.921243  lkdtm:CORRUPT_STACK.sh

 1194 18:44:26.923924  lkdtm:CORRUPT_STACK_STRONG.sh

 1195 18:44:26.929827  lkdtm:CORRUPT_LIST_ADD.sh

 1196 18:44:26.930146  lkdtm:CORRUPT_LIST_DEL.sh

 1197 18:44:26.932254  lkdtm:STACK_GUARD_PAGE_LEADING.sh

 1198 18:44:26.936208  lkdtm:STACK_GUARD_PAGE_TRAILING.sh

 1199 18:44:26.937025  lkdtm:UNSET_SMEP.sh

 1200 18:44:26.940755  lkdtm:DOUBLE_FAULT.sh

 1201 18:44:26.941425  lkdtm:CORRUPT_PAC.sh

 1202 18:44:26.944745  lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh

 1203 18:44:26.946850  lkdtm:OVERWRITE_ALLOCATION.sh

 1204 18:44:26.950771  lkdtm:WRITE_AFTER_FREE.sh

 1205 18:44:26.953804  lkdtm:READ_AFTER_FREE.sh

 1206 18:44:26.954457  lkdtm:WRITE_BUDDY_AFTER_FREE.sh

 1207 18:44:26.956966  lkdtm:READ_BUDDY_AFTER_FREE.sh

 1208 18:44:26.960761  lkdtm:SLAB_FREE_DOUBLE.sh

 1209 18:44:26.961365  lkdtm:SLAB_FREE_CROSS.sh

 1210 18:44:26.966275  lkdtm:SLAB_FREE_PAGE.sh

 1211 18:44:26.966588  lkdtm:SOFTLOCKUP.sh

 1212 18:44:26.967206  lkdtm:HARDLOCKUP.sh

 1213 18:44:26.969746  lkdtm:SPINLOCKUP.sh

 1214 18:44:26.973577  lkdtm:HUNG_TASK.sh

 1215 18:44:26.973793  lkdtm:EXEC_DATA.sh

 1216 18:44:26.974431  lkdtm:EXEC_STACK.sh

 1217 18:44:26.975770  lkdtm:EXEC_KMALLOC.sh

 1218 18:44:26.978976  lkdtm:EXEC_VMALLOC.sh

 1219 18:44:26.980734  lkdtm:EXEC_RODATA.sh

 1220 18:44:26.982809  lkdtm:EXEC_USERSPACE.sh

 1221 18:44:26.985302  lkdtm:EXEC_NULL.sh

 1222 18:44:26.989021  lkdtm:ACCESS_USERSPACE.sh

 1223 18:44:26.989286  lkdtm:ACCESS_NULL.sh

 1224 18:44:26.991995  lkdtm:WRITE_RO.sh

 1225 18:44:26.994880  lkdtm:WRITE_RO_AFTER_INIT.sh

 1226 18:44:26.995158  lkdtm:WRITE_KERN.sh

 1227 18:44:26.999343  lkdtm:REFCOUNT_INC_OVERFLOW.sh

 1228 18:44:27.001144  lkdtm:REFCOUNT_ADD_OVERFLOW.sh

 1229 18:44:27.003182  lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh

 1230 18:44:27.007721  lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh

 1231 18:44:27.012407  lkdtm:REFCOUNT_DEC_ZERO.sh

 1232 18:44:27.012702  lkdtm:REFCOUNT_DEC_NEGATIVE.sh

 1233 18:44:27.017636  lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh

 1234 18:44:27.021318  lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh

 1235 18:44:27.023598  lkdtm:REFCOUNT_INC_ZERO.sh

 1236 18:44:27.027346  lkdtm:REFCOUNT_ADD_ZERO.sh

 1237 18:44:27.027615  lkdtm:REFCOUNT_INC_SATURATED.sh

 1238 18:44:27.032725  lkdtm:REFCOUNT_DEC_SATURATED.sh

 1239 18:44:27.033881  lkdtm:REFCOUNT_ADD_SATURATED.sh

 1240 18:44:27.036355  lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh

 1241 18:44:27.042653  lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh

 1242 18:44:27.044732  lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh

 1243 18:44:27.051442  lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh

 1244 18:44:27.051713  lkdtm:REFCOUNT_TIMING.sh

 1245 18:44:27.053190  lkdtm:ATOMIC_TIMING.sh

 1246 18:44:27.058349  lkdtm:USERCOPY_HEAP_SIZE_TO.sh

 1247 18:44:27.059140  lkdtm:USERCOPY_HEAP_SIZE_FROM.sh

 1248 18:44:27.063288  lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh

 1249 18:44:27.065687  lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh

 1250 18:44:27.067253  lkdtm:USERCOPY_STACK_FRAME_TO.sh

 1251 18:44:27.072283  lkdtm:USERCOPY_STACK_FRAME_FROM.sh

 1252 18:44:27.073006  lkdtm:USERCOPY_STACK_BEYOND.sh

 1253 18:44:27.076700  lkdtm:USERCOPY_KERNEL.sh

 1254 18:44:27.077945  lkdtm:STACKLEAK_ERASING.sh

 1255 18:44:27.080773  lkdtm:CFI_FORWARD_PROTO.sh

 1256 18:44:27.086205  ============== Tests to run ===============

 1257 18:44:27.086462  lkdtm:PANIC.sh

 1258 18:44:27.090659  lkdtm:BUG.sh

 1259 18:44:27.090964  lkdtm:WARNING.sh

 1260 18:44:27.091488  lkdtm:WARNING_MESSAGE.sh

 1261 18:44:27.092824  lkdtm:EXCEPTION.sh

 1262 18:44:27.095763  lkdtm:LOOP.sh

 1263 18:44:27.098743  lkdtm:EXHAUST_STACK.sh

 1264 18:44:27.099030  lkdtm:CORRUPT_STACK.sh

 1265 18:44:27.102345  lkdtm:CORRUPT_STACK_STRONG.sh

 1266 18:44:27.103163  lkdtm:CORRUPT_LIST_ADD.sh

 1267 18:44:27.109935  lkdtm:CORRUPT_LIST_DEL.sh

 1268 18:44:27.110266  lkdtm:STACK_GUARD_PAGE_LEADING.sh

 1269 18:44:27.112179  lkdtm:STACK_GUARD_PAGE_TRAILING.sh

 1270 18:44:27.113274  lkdtm:UNSET_SMEP.sh

 1271 18:44:27.117654  lkdtm:DOUBLE_FAULT.sh

 1272 18:44:27.118267  lkdtm:CORRUPT_PAC.sh

 1273 18:44:27.121103  lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh

 1274 18:44:27.123669  lkdtm:OVERWRITE_ALLOCATION.sh

 1275 18:44:27.126621  lkdtm:WRITE_AFTER_FREE.sh

 1276 18:44:27.130162  lkdtm:READ_AFTER_FREE.sh

 1277 18:44:27.130406  lkdtm:WRITE_BUDDY_AFTER_FREE.sh

 1278 18:44:27.133262  lkdtm:READ_BUDDY_AFTER_FREE.sh

 1279 18:44:27.135246  lkdtm:SLAB_FREE_DOUBLE.sh

 1280 18:44:27.140482  lkdtm:SLAB_FREE_CROSS.sh

 1281 18:44:27.140813  lkdtm:SLAB_FREE_PAGE.sh

 1282 18:44:27.141440  lkdtm:SOFTLOCKUP.sh

 1283 18:44:27.145812  lkdtm:HARDLOCKUP.sh

 1284 18:44:27.146128  lkdtm:SPINLOCKUP.sh

 1285 18:44:27.148793  lkdtm:HUNG_TASK.sh

 1286 18:44:27.152919  lkdtm:EXEC_DATA.sh

 1287 18:44:27.153970  lkdtm:EXEC_STACK.sh

 1288 18:44:27.154247  lkdtm:EXEC_KMALLOC.sh

 1289 18:44:27.157916  lkdtm:EXEC_VMALLOC.sh

 1290 18:44:27.158158  lkdtm:EXEC_RODATA.sh

 1291 18:44:27.159479  lkdtm:EXEC_USERSPACE.sh

 1292 18:44:27.163185  lkdtm:EXEC_NULL.sh

 1293 18:44:27.163498  lkdtm:ACCESS_USERSPACE.sh

 1294 18:44:27.166160  lkdtm:ACCESS_NULL.sh

 1295 18:44:27.168883  lkdtm:WRITE_RO.sh

 1296 18:44:27.169192  lkdtm:WRITE_RO_AFTER_INIT.sh

 1297 18:44:27.174937  lkdtm:WRITE_KERN.sh

 1298 18:44:27.176877  lkdtm:REFCOUNT_INC_OVERFLOW.sh

 1299 18:44:27.177178  lkdtm:REFCOUNT_ADD_OVERFLOW.sh

 1300 18:44:27.183148  lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh

 1301 18:44:27.185277  lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh

 1302 18:44:27.186255  lkdtm:REFCOUNT_DEC_ZERO.sh

 1303 18:44:27.189649  lkdtm:REFCOUNT_DEC_NEGATIVE.sh

 1304 18:44:27.192516  lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh

 1305 18:44:27.196853  lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh

 1306 18:44:27.198312  lkdtm:REFCOUNT_INC_ZERO.sh

 1307 18:44:27.200941  lkdtm:REFCOUNT_ADD_ZERO.sh

 1308 18:44:27.203700  lkdtm:REFCOUNT_INC_SATURATED.sh

 1309 18:44:27.207775  lkdtm:REFCOUNT_DEC_SATURATED.sh

 1310 18:44:27.212175  lkdtm:REFCOUNT_ADD_SATURATED.sh

 1311 18:44:27.215081  lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh

 1312 18:44:27.217644  lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh

 1313 18:44:27.221278  lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh

 1314 18:44:27.226092  lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh

 1315 18:44:27.228505  lkdtm:REFCOUNT_TIMING.sh

 1316 18:44:27.231094  lkdtm:ATOMIC_TIMING.sh

 1317 18:44:27.231365  lkdtm:USERCOPY_HEAP_SIZE_TO.sh

 1318 18:44:27.235624  lkdtm:USERCOPY_HEAP_SIZE_FROM.sh

 1319 18:44:27.238841  lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh

 1320 18:44:27.242090  lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh

 1321 18:44:27.243036  lkdtm:USERCOPY_STACK_FRAME_TO.sh

 1322 18:44:27.249720  lkdtm:USERCOPY_STACK_FRAME_FROM.sh

 1323 18:44:27.249958  lkdtm:USERCOPY_STACK_BEYOND.sh

 1324 18:44:27.251333  lkdtm:USERCOPY_KERNEL.sh

 1325 18:44:27.254803  lkdtm:STACKLEAK_ERASING.sh

 1326 18:44:27.257555  lkdtm:CFI_FORWARD_PROTO.sh

 1327 18:44:27.259819  ===========End Tests to run ===============

 1328 18:44:29.727234  <12>[   67.066561] kselftest: Running tests in lkdtm

 1329 18:44:29.767394  TAP version 13

 1330 18:44:29.813757  1..70

 1331 18:44:29.866424  # selftests: lkdtm: PANIC.sh

 1332 18:44:30.205236  # Skipping PANIC: crashes entire system

 1333 18:44:30.220708  ok 1 selftests: lkdtm: PANIC.sh # SKIP

 1334 18:44:30.256982  # selftests: lkdtm: BUG.sh

 1335 18:44:30.630799  <6>[   67.969425] lkdtm: Performing direct entry BUG

 1336 18:44:30.635340  <4>[   67.975063] ------------[ cut here ]------------

 1337 18:44:30.644326  <2>[   67.979976] kernel BUG at drivers/misc/lkdtm/bugs.c:76!

 1338 18:44:30.646331  <0>[   67.985481] Internal error: Oops - BUG: 0 [#1] SMP ARM

 1339 18:44:30.676399  <4>[   67.990890] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3

 1340 18:44:30.684886  <4>[   68.020228] CPU: 2 PID: 710 Comm: cat Not tainted 5.10.170-cip27 #1

 1341 18:44:30.689024  <4>[   68.026764] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 1342 18:44:30.694732  <4>[   68.033571] PC is at lkdtm_BUG+0x14/0x18

 1343 18:44:30.700180  <4>[   68.037766] LR is at lkdtm_do_action+0x2c/0x4c

 1344 18:44:30.706968  <4>[   68.042482] pc : [<c0c358a0>]    lr : [<c0c35320>]    psr: a00e0013

 1345 18:44:30.710794  <4>[   68.049018] sp : c5c2fe58  ip : c5c2fe68  fp : c5c2fe64

 1346 18:44:30.715593  <4>[   68.054511] r10: 00000004  r9 : c1acc6dc  r8 : c15e88e4

 1347 18:44:30.723276  <4>[   68.060005] r7 : c5c2ff60  r6 : 00000004  r5 : c685e000  r4 : 00000001

 1348 18:44:30.729386  <4>[   68.066799] r3 : c0c3588c  r2 : cac2ed53  r1 : ef7ab5e0  r0 : c15e88ec

 1349 18:44:30.736592  <4>[   68.073598] Flags: NzCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 1350 18:44:30.742596  <4>[   68.081003] Control: 10c5387d  Table: 16b3804a  DAC: 00000051

 1351 18:44:30.750956  <0>[   68.087020] Process cat (pid: 710, stack limit = 0xd76da7b3)

 1352 18:44:30.755992  <0>[   68.092949] Stack: (0xc5c2fe58 to 0xc5c30000)

 1353 18:44:30.762948  <0>[   68.097578] fe40:                                                       c5c2fe74 c5c2fe68

 1354 18:44:30.770000  <0>[   68.106031] fe60: c0c35320 c0c35898 c5c2fe9c c5c2fe78 c0c35820 c0c35300 c0c35700 c47eca00

 1355 18:44:30.780924  <0>[   68.114481] fe80: b6e20000 00000004 c50fdd80 c5c2ff60 c5c2fec4 c5c2fea0 c07e184c c0c3570c

 1356 18:44:30.787968  <0>[   68.122931] fea0: 00000000 c47eca00 b6e20000 c2815800 c5c2ff60 c07e17e8 c5c2ff5c c5c2fec8

 1357 18:44:30.795554  <0>[   68.131381] fec0: c059968c c07e17f4 00000001 00000000 c0599c20 c1371d70 c0599c20 c5c2e000

 1358 18:44:30.804036  <0>[   68.139833] fee0: b6e20000 00020000 00000004 00000004 0001fffc c5c2fee0 00000001 b6e1f000

 1359 18:44:30.813292  <0>[   68.148282] ff00: c6abeb40 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 1360 18:44:30.821476  <0>[   68.156732] ff20: 00000000 00000000 c1371d70 cac2ed53 c205c880 c47eca00 c47eca00 c5c2e000

 1361 18:44:30.829149  <0>[   68.165182] ff40: b6e20000 00000000 00000000 00000004 c5c2ff94 c5c2ff60 c0599c20 c059958c

 1362 18:44:30.838765  <0>[   68.173633] ff60: 00000000 00000000 c5c2ffac cac2ed53 00000004 00000004 b6f67e00 00000004

 1363 18:44:30.848524  <0>[   68.182083] ff80: c03002e4 c5c2e000 c5c2ffa4 c5c2ff98 c0599cb0 c0599bb8 00000000 c5c2ffa8

 1364 18:44:30.855562  <0>[   68.190533] ffa0: c03000c0 c0599ca4 00000004 00000004 00000001 b6e20000 00000004 00000000

 1365 18:44:30.865064  <0>[   68.198982] ffc0: 00000004 00000004 b6f67e00 00000004 00000001 00000000 00020000 beb82a64

 1366 18:44:30.873605  <0>[   68.207433] ffe0: 00000004 beb82798 b6ed24cf b6e587e6 800e0030 00000001 00000000 00000000

 1367 18:44:30.875795  <0>[   68.215875] Backtrace: 

 1368 18:44:30.882863  <0>[   68.218606] [<c0c3588c>] (lkdtm_BUG) from [<c0c35320>] (lkdtm_do_action+0x2c/0x4c)

 1369 18:44:30.891737  <0>[   68.226451] [<c0c352f4>] (lkdtm_do_action) from [<c0c35820>] (direct_entry+0x120/0x18c)

 1370 18:44:30.899338  <0>[   68.234735] [<c0c35700>] (direct_entry) from [<c07e184c>] (full_proxy_write+0x64/0x94)

 1371 18:44:30.906608  <0>[   68.242927]  r9:c5c2ff60 r8:c50fdd80 r7:00000004 r6:b6e20000 r5:c47eca00 r4:c0c35700

 1372 18:44:30.914688  <0>[   68.250950] [<c07e17e8>] (full_proxy_write) from [<c059968c>] (vfs_write+0x10c/0x524)

 1373 18:44:30.923316  <0>[   68.259052]  r9:c07e17e8 r8:c5c2ff60 r7:c2815800 r6:b6e20000 r5:c47eca00 r4:00000000

 1374 18:44:30.930034  <0>[   68.267069] [<c0599580>] (vfs_write) from [<c0599c20>] (ksys_write+0x74/0xec)

 1375 18:44:30.939853  <0>[   68.274478]  r10:00000004 r9:00000000 r8:00000000 r7:b6e20000 r6:c5c2e000 r5:c47eca00

 1376 18:44:30.942349  <0>[   68.282575]  r4:c47eca00

 1377 18:44:30.948836  <0>[   68.285385] [<c0599bac>] (ksys_write) from [<c0599cb0>] (sys_write+0x18/0x1c)

 1378 18:44:30.958870  <0>[   68.292793]  r9:c5c2e000 r8:c03002e4 r7:00000004 r6:b6f67e00 r5:00000004 r4:00000004

 1379 18:44:30.964941  <0>[   68.300814] [<c0599c98>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 1380 18:44:30.973090  <0>[   68.308654] Exception stack(0xc5c2ffa8 to 0xc5c2fff0)

 1381 18:44:30.978772  <0>[   68.313977] ffa0:                   00000004 00000004 00000001 b6e20000 00000004 00000000

 1382 18:44:30.987922  <0>[   68.322428] ffc0: 00000004 00000004 b6f67e00 00000004 00000001 00000000 00020000 beb82a64

 1383 18:44:30.991812  <0>[   68.330875] ffe0: 00000004 beb82798 b6ed24cf b6e587e6

 1384 18:44:30.999589  <0>[   68.336200] Code: e92dd800 e24cb004 e52de004 e8bd4000 (e7f001f2) 

 1385 18:44:31.005620  <4>[   68.342569] ---[ end trace 6556776c6b5d505d ]---

 1386 18:44:31.014741  <3>[   68.347459] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 1387 18:44:31.020661  <3>[   68.356600] in_atomic(): 0, irqs_disabled(): 128, non_block: 0, pid: 710, name: cat

 1388 18:44:31.026692  <4>[   68.364524] INFO: lockdep is turned off.

 1389 18:44:31.028567  <4>[   68.368715] irq event stamp: 1570

 1390 18:44:31.037087  <4>[   68.372312] hardirqs last  enabled at (1569): [<c03d51e8>] console_unlock+0x4b0/0x6c0

 1391 18:44:31.044748  <4>[   68.380415] hardirqs last disabled at (1570): [<c0300c60>] __und_svc+0x60/0x6c

 1392 18:44:31.054495  <4>[   68.387911] softirqs last  enabled at (1566): [<c03021a8>] __do_softirq+0x378/0x5fc

 1393 18:44:31.061214  <4>[   68.395840] softirqs last disabled at (1553): [<c035f1c8>] __irq_exit_rcu+0x178/0x1d0

 1394 18:44:31.069247  <4>[   68.403942] CPU: 2 PID: 710 Comm: cat Tainted: G      D           5.10.170-cip27 #1

 1395 18:44:31.076641  <4>[   68.411866] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 1396 18:44:31.078374  <4>[   68.418659] Backtrace: 

 1397 18:44:31.085274  <4>[   68.421394] [<c134e998>] (dump_backtrace) from [<c134ed58>] (show_stack+0x20/0x24)

 1398 18:44:31.092469  <4>[   68.429236]  r7:ffffffff r6:600e0093 r5:00000000 r4:c1f0f978

 1399 18:44:31.098682  <4>[   68.435174] [<c134ed38>] (show_stack) from [<c1355fa8>] (dump_stack+0xe0/0x100)

 1400 18:44:31.111475  <4>[   68.442766] [<c1355ec8>] (dump_stack) from [<c038e614>] (___might_sleep+0x1ac/0x2bc)

 1401 18:44:31.117421  <4>[   68.450782]  r9:600e0093 r8:0000000b r7:c035bd38 r6:00000031 r5:c19c8c4c r4:c5c2e000

 1402 18:44:31.125890  <4>[   68.458800] [<c038e468>] (___might_sleep) from [<c038e794>] (__might_sleep+0x70/0xb0)

 1403 18:44:31.129516  <4>[   68.466899]  r6:00000000 r5:00000031 r4:c19c8c4c

 1404 18:44:31.137917  <4>[   68.471797] [<c038e724>] (__might_sleep) from [<c036d0a8>] (exit_signals+0x4c/0x3fc)

 1405 18:44:31.143261  <4>[   68.479810]  r6:00000001 r5:c5c2e000 r4:c5980000

 1406 18:44:31.148616  <4>[   68.484710] [<c036d05c>] (exit_signals) from [<c035bd38>] (do_exit+0x100/0xb38)

 1407 18:44:31.154737  <4>[   68.492290]  r8:0000000b r7:c1e0f84c r6:ffffe000 r5:00000000 r4:c5980000

 1408 18:44:31.162603  <4>[   68.499268] [<c035bc38>] (do_exit) from [<c035dc20>] (make_task_dead+0x68/0x74)

 1409 18:44:31.165590  <4>[   68.506844]  r7:c1e0f84c

 1410 18:44:31.173072  <4>[   68.509654] [<c035dbb8>] (make_task_dead) from [<c030ea90>] (die+0x370/0x37c)

 1411 18:44:31.182041  <4>[   68.517062] [<c030e720>] (die) from [<c030ec0c>] (do_undefinstr+0x170/0x240)

 1412 18:44:31.188896  <4>[   68.524383]  r10:00000004 r9:c5c2e000 r8:c15e88e4 r7:00000000 r6:c5c2fdc8 r5:c0c358a0

 1413 18:44:31.192028  <4>[   68.532480]  r4:e7f001f2

 1414 18:44:31.200879  <4>[   68.535287] [<c030ea9c>] (do_undefinstr) from [<c0300c6c>] (__und_svc_finish+0x0/0x54)

 1415 18:44:31.207652  <4>[   68.543470] Exception stack(0xc5c2fdc8 to 0xc5c2fe10)

 1416 18:44:31.212792  <4>[   68.548794] fdc0:                   c15e88ec ef7ab5e0 cac2ed53 c0c3588c 00000001 c685e000

 1417 18:44:31.221364  <4>[   68.557244] fde0: 00000004 c5c2ff60 c15e88e4 c1acc6dc 00000004 c5c2fe64 c5c2fe68 c5c2fe58

 1418 18:44:31.227138  <4>[   68.565690] fe00: c0c35320 c0c358a0 a00e0013 ffffffff

 1419 18:44:31.234487  <4>[   68.571013]  r7:c5c2fdfc r6:ffffffff r5:a00e0013 r4:c0c358a4

 1420 18:44:31.242659  <4>[   68.576948] [<c0c3588c>] (lkdtm_BUG) from [<c0c35320>] (lkdtm_do_action+0x2c/0x4c)

 1421 18:44:31.250851  <4>[   68.584790] [<c0c352f4>] (lkdtm_do_action) from [<c0c35820>] (direct_entry+0x120/0x18c)

 1422 18:44:31.257106  <4>[   68.593070] [<c0c35700>] (direct_entry) from [<c07e184c>] (full_proxy_write+0x64/0x94)

 1423 18:44:31.265301  <4>[   68.601260]  r9:c5c2ff60 r8:c50fdd80 r7:00000004 r6:b6e20000 r5:c47eca00 r4:c0c35700

 1424 18:44:31.275621  <4>[   68.609279] [<c07e17e8>] (full_proxy_write) from [<c059968c>] (vfs_write+0x10c/0x524)

 1425 18:44:31.281922  <4>[   68.617382]  r9:c07e17e8 r8:c5c2ff60 r7:c2815800 r6:b6e20000 r5:c47eca00 r4:00000000

 1426 18:44:31.289647  <4>[   68.625399] [<c0599580>] (vfs_write) from [<c0599c20>] (ksys_write+0x74/0xec)

 1427 18:44:31.297768  <4>[   68.632806]  r10:00000004 r9:00000000 r8:00000000 r7:b6e20000 r6:c5c2e000 r5:c47eca00

 1428 18:44:31.301370  <4>[   68.640902]  r4:c47eca00

 1429 18:44:31.307092  <4>[   68.643710] [<c0599bac>] (ksys_write) from [<c0599cb0>] (sys_write+0x18/0x1c)

 1430 18:44:31.314750  <4>[   68.651117]  r9:c5c2e000 r8:c03002e4 r7:00000004 r6:b6f67e00 r5:00000004 r4:00000004

 1431 18:44:31.323999  <4>[   68.659133] [<c0599c98>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 1432 18:44:31.329078  <4>[   68.666969] Exception stack(0xc5c2ffa8 to 0xc5c2fff0)

 1433 18:44:31.338764  <4>[   68.672292] ffa0:                   00000004 00000004 00000001 b6e20000 00000004 00000000

 1434 18:44:31.345258  <4>[   68.680741] ffc0: 00000004 00000004 b6f67e00 00000004 00000001 00000000 00020000 beb82a64

 1435 18:44:31.350050  <4>[   68.689187] ffe0: 00000004 beb82798 b6ed24cf b6e587e6

 1436 18:44:31.353482  # Segmentation fault

 1437 18:44:31.431846  # [   67.969425] lkdtm: Performing direct entry BUG

 1438 18:44:31.436801  # [   67.975063] ------------[ cut here ]------------

 1439 18:44:31.441011  # [   67.979976] kernel BUG at drivers/misc/lkdtm/bugs.c:76!

 1440 18:44:31.448599  # [   67.985481] Internal error: Oops - BUG: 0 [#1] SMP ARM

 1441 18:44:31.474879  # [   67.990890] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3

 1442 18:44:31.481604  # [   68.020228] CPU: 2 PID: 710 Comm: cat Not tainted 5.10.170-cip27 #1

 1443 18:44:31.490633  # [   68.026764] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 1444 18:44:31.494994  # [   68.033571] PC is at lkdtm_BUG+0x14/0x18

 1445 18:44:31.497756  # [   68.037766] LR is at lkdtm_do_action+0x2c/0x4c

 1446 18:44:31.503323  # [   68.042482] pc : [<c0c358a0>]    lr : [<c0c35320>]    psr: a00e0013

 1447 18:44:31.507768  # [   68.049018] sp : c5c2fe58  ip : c5c2fe68  fp : c5c2fe64

 1448 18:44:31.514051  # [   68.054511] r10: 00000004  r9 : c1acc6dc  r8 : c15e88e4

 1449 18:44:31.521410  # [   68.060005] r7 : c5c2ff60  r6 : 00000004  r5 : c685e000  r4 : 00000001

 1450 18:44:31.526857  # [   68.066799] r3 : c0c3588c  r2 : cac2ed53  r1 : ef7ab5e0  r0 : c15e88ec

 1451 18:44:31.538600  # [   68.073598] Flags: NzCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 1452 18:44:31.539714  # [   68.081003] Control: 10c5387d  Table: 16b3804a  DAC: 00000051

 1453 18:44:31.545509  # [   68.087020] Process cat (pid: 710, stack limit = 0xd76da7b3)

 1454 18:44:31.551270  # [   68.092949] Stack: (0xc5c2fe58 to 0xc5c30000)

 1455 18:44:31.558821  # [   68.097578] fe40:                                                       c5c2fe74 c5c2fe68

 1456 18:44:31.569406  # [   68.106031] fe60: c0c35320 c0c35898 c5c2fe9c c5c2fe78 c0c35820 c0c35300 c0c35700 c47eca00

 1457 18:44:31.576541  # [   68.114481] fe80: b6e20000 00000004 c50fdd80 c5c2ff60 c5c2fec4 c5c2fea0 c07e184c c0c3570c

 1458 18:44:31.585910  # [   68.122931] fea0: 00000000 c47eca00 b6e20000 c2815800 c5c2ff60 c07e17e8 c5c2ff5c c5c2fec8

 1459 18:44:31.592074  # [   68.131381] fec0: c059968c c07e17f4 00000001 00000000 c0599c20 c1371d70 c0599c20 c5c2e000

 1460 18:44:31.601177  # [   68.139833] fee0: b6e20000 00020000 00000004 00000004 0001fffc c5c2fee0 00000001 b6e1f000

 1461 18:44:31.608498  # [   68.148282] ff00: c6abeb40 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 1462 18:44:31.621814  # [   68.156732] ff20: 00000000 00000000 c1371d70 cac2ed53 c205c880 c47eca00 c47eca00 c5c2e000

 1463 18:44:31.627046  # [   68.165182] ff40: b6e20000 00000000 00000000 00000004 c5c2ff94 c5c2ff60 c0599c20 c059958c

 1464 18:44:31.634093  # [   68.173633] ff60: 00000000 00000000 c5c2ffac cac2ed53 00000004 00000004 b6f67e00 00000004

 1465 18:44:31.642426  # [   68.182083] ff80: c03002e4 c5c2e000 c5c2ffa4 c5c2ff98 c0599cb0 c0599bb8 00000000 c5c2ffa8

 1466 18:44:31.650854  # [   68.190533] ffa0: c03000c0 c0599ca4 00000004 00000004 00000001 b6e20000 00000004 00000000

 1467 18:44:31.659577  # [   68.198982] ffc0: 00000004 00000004 b6f67e00 00000004 00000001 00000000 00020000 beb82a64

 1468 18:44:31.670145  # [   68.207433] ffe0: 00000004 beb82798 b6ed24cf b6e587e6 800e0030 00000001 00000000 00000000

 1469 18:44:31.670392  # [   68.215875] Backtrace: 

 1470 18:44:31.678638  # [   68.218606] [<c0c3588c>] (lkdtm_BUG) from [<c0c35320>] (lkdtm_do_action+0x2c/0x4c)

 1471 18:44:31.687517  # [   68.226451] [<c0c352f4>] (lkdtm_do_action) from [<c0c35820>] (direct_entry+0x120/0x18c)

 1472 18:44:31.699405  # [   68.234735] [<c0c35700>] (direct_entry) from [<c07e184c>] (full_proxy_write+0x64/0x94)

 1473 18:44:31.701881  # [   68.242927]  r9:c5c2ff60 r8:c50fdd80 r7:00000004 r6:b6e20000 r5:c47eca00 r4:c0c35700

 1474 18:44:31.710914  # [   68.250950] [<c07e17e8>] (full_proxy_write) from [<c059968c>] (vfs_write+0x10c/0x524)

 1475 18:44:31.718654  # [   68.259052]  r9:c07e17e8 r8:c5c2ff60 r7:c2815800 r6:b6e20000 r5:c47eca00 r4:00000000

 1476 18:44:31.724790  # [   68.267069] [<c0599580>] (vfs_write) from [<c0599c20>] (ksys_write+0x74/0xec)

 1477 18:44:31.736066  # [   68.274478]  r10:00000004 r9:00000000 r8:00000000 r7:b6e20000 r6:c5c2e000 r5:c47eca00

 1478 18:44:31.736543  # [   68.282575]  r4:c47eca00

 1479 18:44:31.743498  # [   68.285385] [<c0599bac>] (ksys_write) from [<c0599cb0>] (sys_write+0x18/0x1c)

 1480 18:44:31.751114  # [   68.292793]  r9:c5c2e000 r8:c03002e4 r7:00000004 r6:b6f67e00 r5:00000004 r4:00000004

 1481 18:44:31.758913  # [   68.300814] [<c0599c98>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 1482 18:44:31.763958  # [   68.308654] Exception stack(0xc5c2ffa8 to 0xc5c2fff0)

 1483 18:44:31.772648  # [   68.313977] ffa0:                   00000004 00000004 00000001 b6e20000 00000004 00000000

 1484 18:44:31.781077  # [   68.322428] ffc0: 00000004 00000004 b6f67e00 00000004 00000001 00000000 00020000 beb82a64

 1485 18:44:31.785393  # [   68.330875] ffe0: 00000004 beb82798 b6ed24cf b6e587e6

 1486 18:44:31.791737  # [   68.336200] Code: e92dd800 e24cb004 e52de004 e8bd4000 (e7f001f2) 

 1487 18:44:31.796728  # [   68.342569] ---[ end trace 6556776c6b5d505d ]---

 1488 18:44:31.804955  # [   68.347459] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 1489 18:44:31.814801  # [   68.356600] in_atomic(): 0, irqs_disabled(): 128, non_block: 0, pid: 710, name: cat

 1490 18:44:31.816730  # [   68.364524] INFO: lockdep is turned off.

 1491 18:44:31.821488  # [   68.368715] irq event stamp: 1570

 1492 18:44:31.829970  # [   68.372312] hardirqs last  enabled at (1569): [<c03d51e8>] console_unlock+0x4b0/0x6c0

 1493 18:44:31.838860  # [   68.380415] hardirqs last disabled at (1570): [<c0300c60>] __und_svc+0x60/0x6c

 1494 18:44:31.845974  # [   68.387911] softirqs last  enabled at (1566): [<c03021a8>] __do_softirq+0x378/0x5fc

 1495 18:44:31.852980  # [   68.395840] softirqs last disabled at (1553): [<c035f1c8>] __irq_exit_rcu+0x178/0x1d0

 1496 18:44:31.861312  # [   68.403942] CPU: 2 PID: 710 Comm: cat Tainted: G      D           5.10.170-cip27 #1

 1497 18:44:31.871303  # [   68.411866] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 1498 18:44:31.871839  # [   68.418659] Backtrace: 

 1499 18:44:31.878715  # [   68.421394] [<c134e998>] (dump_backtrace) from [<c134ed58>] (show_stack+0x20/0x24)

 1500 18:44:31.885688  # [   68.429236]  r7:ffffffff r6:600e0093 r5:00000000 r4:c1f0f978

 1501 18:44:31.890519  # [   68.435174] [<c134ed38<6>[   69.228270] lkdtm: Performing direct entry WARNING

 1502 18:44:31.899583  >] (show_stack) from [<c1355fa8>]<4>[   69.234006] ------------[ cut here ]------------

 1503 18:44:31.900433   (dump_stack+0xe0/0x100)

 1504 18:44:31.909828  # [   6<4>[   69.241653] WARNING: CPU: 3 PID: 781 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x48/0x4c

 1505 18:44:31.941143  8.442766] [<c1355ec8>] (dump_stac<4>[   69.253176] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3

 1506 18:44:31.951722  k) from [<c038e614>] (___might_sl<4>[   69.285130] CPU: 3 PID: 781 Comm: cat Tainted: G      D W         5.10.170-cip27 #1

 1507 18:44:31.955650  eep+0x1ac/0x2bc)

 1508 18:44:31.961459  # [   68.450782<4>[   69.295847] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 1509 18:44:31.967926  ]  r9:600e0093 r8:0000000b r7:c03<4>[   69.305497] Backtrace: 

 1510 18:44:31.980992  5bd38 r6:00000031 r5:c19c8c4c r4:<4>[   69.311087] [<c134e998>] (dump_backtrace) from [<c134ed58>] (show_stack+0x20/0x24)

 1511 18:44:31.981557  c5c2e000

 1512 18:44:31.986693  # [   68.458800] [<c038<4>[   69.321764]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978

 1513 18:44:31.997294  e468>] (___might_sleep) from [<c0<4>[   69.330552] [<c134ed38>] (show_stack) from [<c1355fa8>] (dump_stack+0xe0/0x100)

 1514 18:44:32.010802  38e794>] (__might_sleep+0x70/0xb0<4>[   69.340986] [<c1355ec8>] (dump_stack) from [<c0356804>] (__warn+0x98/0x14c)

 1515 18:44:32.011363  )

 1516 18:44:32.018910  # [   68.466899]  r6:00000000 <4>[   69.351063]  r9:00000009 r8:c0c358ec r7:00000053 r6:00000009 r5:c0c358ec r4:c1accd98

 1517 18:44:32.021914  r5:00000031 r4:c19c8c4c

 1518 18:44:32.029617  # [   68<4>[   69.361930] [<c035676c>] (__warn) from [<c134fe90>] (warn_slowpath_fmt+0x8c/0xa8)

 1519 18:44:32.036830  .471797] [<c038e724>] (__might_sl<4>[   69.372530]  r7:00000053 r6:c1accd98 r5:00000000 r4:c5ce4000

 1520 18:44:32.049909  eep) from [<c036d0a8>] (exit_sign<4>[   69.381318] [<c134fe08>] (warn_slowpath_fmt) from [<c0c358ec>] (lkdtm_WARNING+0x48/0x4c)

 1521 18:44:32.051883  als+0x4c/0x3fc)

 1522 18:44:32.062054  # [   68.479810]<4>[   69.392528]  r9:c1acc6e0 r8:c15e88e4 r7:c5ce5f60 r6:00000008 r5:c69ee000 r4:00000002

 1523 18:44:32.070021    r6:00000001 r5:c5c2e000 r4:c598<4>[   69.403395] [<c0c358a4>] (lkdtm_WARNING) from [<c0c35320>] (lkdtm_do_action+0x2c/0x4c)

 1524 18:44:32.072459  0000

 1525 18:44:32.082830  # [   68.484710] [<c036d05c<4>[   69.414432] [<c0c352f4>] (lkdtm_do_action) from [<c0c35820>] (direct_entry+0x120/0x18c)

 1526 18:44:32.092682  >] (exit_signals) from [<c035bd38<4>[   69.425564] [<c0c35700>] (direct_entry) from [<c07e184c>] (full_proxy_write+0x64/0x94)

 1527 18:44:32.095429  >] (do_exit+0x100/0xb38)

 1528 18:44:32.105352  # [   6<4>[   69.436595]  r9:c5ce5f60 r8:c50fdd80 r7:00000008 r6:b6e06000 r5:c5a7cc80 r4:c0c35700

 1529 18:44:32.115893  8.492290]  r8:0000000b r7:c1e0f84<4>[   69.447468] [<c07e17e8>] (full_proxy_write) from [<c059968c>] (vfs_write+0x10c/0x524)

 1530 18:44:32.129601  c r6:ffffe000 r5:00000000 r4:c598<4>[   69.458412]  r9:c07e17e8 r8:c5ce5f60 r7:c2815800 r6:b6e06000 r5:c5a7cc80 r4:00000000

 1531 18:44:32.130111  0000

 1532 18:44:32.135730  # [   68.499268] [<c035bc38<4>[   69.469279] [<c0599580>] (vfs_write) from [<c0599c20>] (ksys_write+0x74/0xec)

 1533 18:44:32.146871  >] (do_exit) from [<c035dc20>] (m<4>[   69.479535]  r10:00000004 r9:00000000 r8:00000000 r7:b6e06000 r6:c5ce4000 r5:c5a7cc80

 1534 18:44:32.149557  ake_task_dead+0x68/0x74)

 1535 18:44:32.152209  # [   6<4>[   69.490482]  r4:c5a7cc80

 1536 18:44:32.154990  8.506844]  r7:c1e0f84c

 1537 18:44:32.167744  # [   68.<4>[   69.496147] [<c0599bac>] (ksys_write) from [<c0599cb0>] (sys_write+0x18/0x1c)

 1538 18:44:32.174020  509654] [<c035dbb8>] (make_task_d<4>[   69.506404]  r9:c5ce4000 r8:c03002e4 r7:00000004 r6:b6f4de00 r5:00000008 r4:00000008

 1539 18:44:32.183846  ead) from [<c030ea90>] (die+0x370<4>[   69.517271] [<c0599c98>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 1540 18:44:32.185156  /0x37c)

 1541 18:44:32.193179  # [   68.517062] [<c030e<4>[   69.527957] Exception stack(0xc5ce5fa8 to 0xc5ce5ff0)

 1542 18:44:32.207997  720>] (die) from [<c030ec0c>] (do<4>[   69.536136] 5fa0:                   00000008 00000008 00000001 b6e06000 00000008 00000000

 1543 18:44:32.208563  _undefinstr+0x170/0x240)

 1544 18:44:32.215827  # [   6<4>[   69.547434] 5fc0: 00000008 00000008 b6f4de00 00000004 00000001 00000000 00020000 beeeca64

 1545 18:44:32.223915  8.524383]  r10:00000004 r9:c5c2e0<4>[   69.558730] 5fe0: 00000004 beeec798 b6eb84cf b6e3e7e6

 1546 18:44:32.232099  00 r8:c15e88e4 r7:00000000 r6:c5c<4>[   69.566974] irq event stamp: 0

 1547 18:44:32.232623  2fdc8 r5:c0c358a0

 1548 18:44:32.238234  # [   68.53248<4>[   69.573117] hardirqs last  enabled at (0): [<00000000>] 0x0

 1549 18:44:32.240676  0]  r4:e7f001f2

 1550 18:44:32.250496  # [   68.535287]<4>[   69.581852] hardirqs last disabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974

 1551 18:44:32.259827   [<c030ea9c>] (do_undefinstr) fro<4>[   69.592447] softirqs last  enabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974

 1552 18:44:32.268636  m [<c0300c6c>] (__und_svc_finish+<4>[   69.603030] softirqs last disabled at (0): [<00000000>] 0x0

 1553 18:44:32.268909  0x0/0x54)

 1554 18:44:32.278491  # [   68.543470] Excep<4>[   69.611722] ---[ end trace 6556776c6b5d505e ]---

 1555 18:44:32.280844  tion stack(0xc5c2fdc8 to 0xc5c2fe10)

 1556 18:44:32.288011  # [   68.548794] fdc0:                   c15e88ec ef7ab5e0 cac2ed53 c0c3588c 00000001 c685e000

 1557 18:44:32.297654  # [   68.557244] fde0: 00000004 c5c2ff60 c15e88e4 c1acc6dc 00000004 c5c2fe64 c5c2fe68 c5c2fe58

 1558 18:44:32.301827  # [   68.565690] fe00: c0c35320 c0c358a0 a00e0013 ffffffff

 1559 18:44:32.307094  # [   68.571013]  r7:c5c2fdfc r6:ffffffff r5:a00e0013 r4:c0c358a4

 1560 18:44:32.314056  # [   68.576948] [<c0c3588c>] (lkdtm_BUG) from [<c0c35320>] (lkdtm_do_action+0x2c/0x4c)

 1561 18:44:32.324758  # [   68.584790] [<c0c352f4>] (lkdtm_do_action) from [<c0c35820>] (direct_entry+0x120/0x18c)

 1562 18:44:32.331589  # [   68.593070] [<c0c35700>] (direct_entry) from [<c07e184c>] (full_proxy_write+0x64/0x94)

 1563 18:44:32.339917  # [   68.601260]  r9:c5c2ff60 r8:c50fdd80 r7:00000004 r6:b6e20000 r5:c47eca00 r4:c0c35700

 1564 18:44:32.352711  # [   68.609279] [<c07e17e8>] (full_proxy_write) from [<c059968c>] (vfs_write+0x10c/0x524)

 1565 18:44:32.356033  # [   68.617382]  r9:c07e17e8 r8:c5c2ff60 r7:c2815800 r6:b6e20000 r5:c47eca00 r4:00000000

 1566 18:44:32.362014  # [   68.625399] [<c0599580>] (vfs_write) from [<c0599c20>] (ksys_write+0x74/0xec)

 1567 18:44:32.370914  # [   68.632806]  r10:00000004 r9:00000000 r8:00000000 r7:b6e20000 r6:c5c2e000 r5:c47eca00

 1568 18:44:32.372835  # [   68.640902]  r4:c47eca00

 1569 18:44:32.379788  # [   68.643710] [<c0599bac>] (ksys_write) from [<c0599cb0>] (sys_write+0x18/0x1c)

 1570 18:44:32.387093  # [   68.651117]  r9:c5c2e000 r8:c03002e4 r7:00000004 r6:b6f67e00 r5:00000004 r4:00000004

 1571 18:44:32.399873  # [   68.659133] [<c0599c98>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 1572 18:44:32.401041  # [   68.666969] Exception stack(0xc5c2ffa8 to 0xc5c2fff0)

 1573 18:44:32.409314  # [   68.672292] ffa0:                   00000004 00000004 00000001 b6e20000 00000004 00000000

 1574 18:44:32.417988  # [   68.680741] ffc0: 00000004 00000004 b6f67e00 00000004 00000001 00000000 00020000 beb82a64

 1575 18:44:32.422777  # [   68.689187] ffe0: 00000004 beb82798 b6ed24cf b6e587e6

 1576 18:44:32.425757  # BUG: saw 'kernel BUG at': ok

 1577 18:44:32.427818  ok 2 selftests: lkdtm: BUG.sh

 1578 18:44:32.432012  # selftests: lkdtm: WARNING.sh

 1579 18:44:32.435933  # [   69.228270] lkdtm: Performing direct entry WARNING

 1580 18:44:32.441771  # [   69.234006] ------------[ cut here ]------------

 1581 18:44:32.448747  # [   69.241653] WARNING: CPU: 3 PID: 781 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x48/0x4c

 1582 18:44:32.478769  # [   69.253176] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3

 1583 18:44:32.487296  # [   69.285130] CPU: 3 PID: 781 Comm: cat Tainted: G      D W         5.10.170-cip27 #1

 1584 18:44:32.492956  # [   69.295847] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 1585 18:44:32.495819  # [   69.305497] Backtrace: 

 1586 18:44:32.503794  # [   69.311087] [<c134e998>] (dump_backtrace) from [<c134ed58>] (show_stack+0x20/0x24)

 1587 18:44:32.511426  # [   69.321764]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978

 1588 18:44:32.516976  # [   69.330552] [<c134ed38>] (show_stack) from [<c1355fa8>] (dump_stack+0xe0/0x100)

 1589 18:44:32.524785  # [   69.340986] [<c1355ec8>] (dump_stack) from [<c0356804>] (__warn+0x98/0x14c)

 1590 18:44:32.534482  # [   69.351063]  r9:00000009 r8:c0c358ec r7:00000053 r6:00000009 r5:c0c358ec r4:c1accd98

 1591 18:44:32.543006  # [   69.361930] [<c035676c>] (__warn) from [<c134fe90>] (warn_slowpath_fmt+0x8c/0xa8)

 1592 18:44:32.545644  # [   69.372530]  r7:00000053 r6:c1accd98 r5:00000000 r4:c5ce4000

 1593 18:44:32.554713  # [   69.381318] [<c134fe08>] (warn_slowpath_fmt) from [<c0c358ec>] (lkdtm_WARNING+0x48/0x4c)

 1594 18:44:32.561745  # [   69.392528]  r9:c1acc6e0 r8:c15e88e4 r7:c5ce5f60 r6:00000008 r5:c69ee000 r4:00000002

 1595 18:44:32.569082  # [   69.403395] [<c0c358a4>] (lkdtm_WARNING) from [<c0c35320>] (lkdtm_do_action+0x2c/0x4c)

 1596 18:44:32.576771  # [   69.414432] [<c0c352f4>] (lkdtm_do_action) from [<c0c35820>] (direct_entry+0x120/0x18c)

 1597 18:44:32.586775  # [   69.425564] [<c0c35700>] (direct_entry) from [<c07e184c>] (full_proxy_write+0x64/0x94)

 1598 18:44:32.593867  # [   69.436595]  r9:c5ce5f60 r8:c50fdd80 r7:00000008 r6:b6e06000 r5:c5a7cc80 r4:c0c35700

 1599 18:44:32.601241  # [   69.447468] [<c07e17e8>] (full_proxy_write) from [<c059968c>] (vfs_write+0x10c/0x524)

 1600 18:44:32.609716  # [   69.458412]  r9:c07e17e8 r8:c5ce5f60 r7:c2815800 r6:b6e06000 r5:c5a7cc80 r4:00000000

 1601 18:44:32.618350  # [   69.469279] [<c0599580>] (vfs_write) from [<c0599c20>] (ksys_write+0x74/0xec)

 1602 18:44:32.625569  # [   69.479535]  r10:00000004 r9:00000000 r8:00000000 r7:b6e06000 r6:c5ce4000 r5:c5a7cc80

 1603 18:44:32.629640  # [   69.490482]  r4:c5a7cc80

 1604 18:44:32.634745  # [   69.496147] [<c0599bac>] (ksys_write) from [<c0599cb0>] (sys_write+0x18/0x1c)

 1605 18:44:32.642319  # [   69.506404]  r9:c5ce4000 r8:c03002e4 r7:00000004 r6:b6f4de00 r5:00000008 r4:00000008

 1606 18:44:32.650766  # [   69.517271] [<c0599c98>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 1607 18:44:32.654854  # [   69.527957] Exception stack(0xc5ce5fa8 to 0xc5ce5ff0)

 1608 18:44:32.663167  # [   69.536136] 5fa0:                   00000008 00000008 00000001 b6e06000 00000008 00000000

 1609 18:44:32.672141  # [   69.547434] 5fc0: 00000008 0<6>[   70.008546] lkdtm: Performing direct entry WARNING_MESSAGE

 1610 18:44:32.678865  0000008 b6f4de00 00000004 0000000<4>[   70.015620] ------------[ cut here ]------------

 1611 18:44:32.683203  1 00000000 00020000 beeeca64

 1612 18:44:32.691163  # [<4>[   70.023371] WARNING: CPU: 3 PID: 816 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x4c/0x54

 1613 18:44:32.700315     69.558730] 5fe0: 00000004 beee<4>[   70.035595] Warning message trigger count: 2

 1614 18:44:32.701264  c798 b6eb84cf b6e3e7e6

 1615 18:44:32.735054  # [   69.<4>[   70.042974] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3

 1616 18:44:32.735394  566974] irq event stamp: 0

 1617 18:44:32.742089  # [  <4>[   70.074954] CPU: 3 PID: 816 Comm: cat Tainted: G      D W         5.10.170-cip27 #1

 1618 18:44:32.752963   69.573117] hardirqs last  enable<4>[   70.085681] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 1619 18:44:32.753973  d at (0): [<00000000>] 0x0

 1620 18:44:32.757843  # [  <4>[   70.095331] Backtrace: 

 1621 18:44:32.767009   69.581852] hardirqs last disable<4>[   70.100919] [<c134e998>] (dump_backtrace) from [<c134ed58>] (show_stack+0x20/0x24)

 1622 18:44:32.776866  d at (0): [<c0353d04>] copy_proce<4>[   70.111600]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978

 1623 18:44:32.777909  ss+0x5f8/0x1974

 1624 18:44:32.787894  # [   69.592447]<4>[   70.120388] [<c134ed38>] (show_stack) from [<c1355fa8>] (dump_stack+0xe0/0x100)

 1625 18:44:32.800339   softirqs last  enabled at (0): [<4>[   70.130821] [<c1355ec8>] (dump_stack) from [<c0356804>] (__warn+0x98/0x14c)

 1626 18:44:32.808363  <c0353d04>] copy_process+0x5f8/0x<4>[   70.140899]  r9:00000009 r8:c0c3593c r7:00000058 r6:00000009 r5:c0c3593c r4:c1accd98

 1627 18:44:32.808837  1974

 1628 18:44:32.818195  # [   69.603030] softirqs l<4>[   70.151766] [<c035676c>] (__warn) from [<c134fe90>] (warn_slowpath_fmt+0x8c/0xa8)

 1629 18:44:32.826850  ast disabled at (0): [<00000000>]<4>[   70.162365]  r7:00000058 r6:c1accd98 r5:c1accdb4 r4:c69d4000

 1630 18:44:32.830592   0x0

 1631 18:44:32.839172  # [   69.611722] ---[ end t<4>[   70.171150] [<c134fe08>] (warn_slowpath_fmt) from [<c0c3593c>] (lkdtm_WARNING_MESSAGE+0x4c/0x54)

 1632 18:44:32.841054  race 6556776c6b5d505e ]---

 1633 18:44:32.852041  # WAR<4>[   70.183054]  r9:c1acc6e8 r8:c15e88e4 r7:c69d5f60 r6:00000010 r5:c6b6d000 r4:00000003

 1634 18:44:32.857349  NING: saw 'WARNING:': ok

 1635 18:44:32.861255  ok 3 se<4>[   70.193920] [<c0c358f0>] (lkdtm_WARNING_MESSAGE) from [<c0c35320>] (lkdtm_do_action+0x2c/0x4c)

 1636 18:44:32.867161  lftests: lkdtm: WARNING.sh

 1637 18:44:32.874853  # sel<4>[   70.205653] [<c0c352f4>] (lkdtm_do_action) from [<c0c35820>] (direct_entry+0x120/0x18c)

 1638 18:44:32.885997  ftests: lkdtm: WARNING_MESSAGE.sh<4>[   70.216785] [<c0c35700>] (direct_entry) from [<c07e184c>] (full_proxy_write+0x64/0x94)

 1639 18:44:32.886578  

 1640 18:44:32.892608  <4>[   70.227818]  r9:c69d5f60 r8:c50fdd80 r7:00000010 r6:b6df7000 r5:c5c4f180 r4:c0c35700

 1641 18:44:32.902483  <4>[   70.235997] [<c07e17e8>] (full_proxy_write) from [<c059968c>] (vfs_write+0x10c/0x524)

 1642 18:44:32.908144  <4>[   70.244101]  r9:c07e17e8 r8:c69d5f60 r7:c2815800 r6:b6df7000 r5:c5c4f180 r4:00000000

 1643 18:44:32.916173  <4>[   70.252118] [<c0599580>] (vfs_write) from [<c0599c20>] (ksys_write+0x74/0xec)

 1644 18:44:32.928440  <4>[   70.259525]  r10:00000004 r9:00000000 r8:00000000 r7:b6df7000 r6:c69d4000 r5:c5c4f180

 1645 18:44:32.928945  <4>[   70.267621]  r4:c5c4f180

 1646 18:44:32.934734  <4>[   70.270429] [<c0599bac>] (ksys_write) from [<c0599cb0>] (sys_write+0x18/0x1c)

 1647 18:44:32.942150  <4>[   70.277836]  r9:c69d4000 r8:c03002e4 r7:00000004 r6:b6f3ee00 r5:00000010 r4:00000010

 1648 18:44:32.953361  <4>[   70.285857] [<c0599c98>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 1649 18:44:32.957932  <4>[   70.293695] Exception stack(0xc69d5fa8 to 0xc69d5ff0)

 1650 18:44:32.963313  <4>[   70.299021] 5fa0:                   00000010 00000010 00000001 b6df7000 00000010 00000000

 1651 18:44:32.975797  <4>[   70.307473] 5fc0: 00000010 00000010 b6f3ee00 00000004 00000001 00000000 00020000 bedaca64

 1652 18:44:32.978064  <4>[   70.315919] 5fe0: 00000004 bedac798 b6ea94cf b6e2f7e6

 1653 18:44:32.981744  <4>[   70.321388] irq event stamp: 0

 1654 18:44:32.987513  <4>[   70.324730] hardirqs last  enabled at (0): [<00000000>] 0x0

 1655 18:44:32.997694  <4>[   70.330586] hardirqs last disabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974

 1656 18:44:33.002692  <4>[   70.338404] softirqs last  enabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974

 1657 18:44:33.009995  <4>[   70.346221] softirqs last disabled at (0): [<00000000>] 0x0

 1658 18:44:33.012654  <4>[   70.352150] ---[ end trace 6556776c6b5d505f ]---

 1659 18:44:33.081901  # [   70.008546] lkdtm: Performing direct entry WARNING_MESSAGE

 1660 18:44:33.086036  # [   70.015620] ------------[ cut here ]------------

 1661 18:44:33.095994  # [   70.023371] WARNING: CPU: 3 PID: 816 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x4c/0x54

 1662 18:44:33.099802  # [   70.035595] Warning message trigger count: 2

 1663 18:44:33.128736  # [   70.042974] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3

 1664 18:44:33.136822  # [   70.074954] CPU: 3 PID: 816 Comm: cat Tainted: G      D W         5.10.170-cip27 #1

 1665 18:44:33.142829  # [   70.085681] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 1666 18:44:33.145656  # [   70.095331] Backtrace: 

 1667 18:44:33.153494  # [   70.100919] [<c134e998>] (dump_backtrace) from [<c134ed58>] (show_stack+0x20/0x24)

 1668 18:44:33.158811  # [   70.111600]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978

 1669 18:44:33.167570  # [   70.120388] [<c134ed38>] (show_stack) from [<c1355fa8>] (dump_stack+0xe0/0x100)

 1670 18:44:33.175451  # [   70.130821] [<c1355ec8>] (dump_stack) from [<c0356804>] (__warn+0x98/0x14c)

 1671 18:44:33.180825  # [   70.140899]  r9:00000009 r8:c0c3593c r7:00000058 r6:00000009 r5:c0c3593c r4:c1accd98

 1672 18:44:33.192125  # [   70.151766] [<c035676c>] (__warn) from [<c134fe90>] (warn_slowpath_fmt+0x8c/0xa8)

 1673 18:44:33.195280  # [   70.162365]  r7:00000058 r6:c1accd98 r5:c1accdb4 r4:c69d4000

 1674 18:44:33.203798  # [   70.171150] [<c134fe08>] (warn_slowpath_fmt) from [<c0c3593c>] (lkdtm_WARNING_MESSAGE+0x4c/0x54)

 1675 18:44:33.214927  # [   70.183054]  r9:c1acc6e8 r8:c15e88e4 r7:c69d5f60 r6:00000010 r5:c6b6d000 r4:00000003

 1676 18:44:33.220246  # [   70.193920] [<c0c358f0>] (lkdtm_WARNING_MESSAGE) from [<c0c35320>] (lkdtm_do_action+0x2c/0x4c)

 1677 18:44:33.229801  # [   70.205653] [<c0c352f4>] (lkdtm_do_action) from [<c0c35820>] (direct_entry+0x120/0x18c)

 1678 18:44:33.238464  # [   70.216785] [<c0c35700>] (direct_entry) from [<c07e184c>] (full_proxy_write+0x64/0x94)

 1679 18:44:33.246452  # [   70.227818]  r9:c69d5f60 r8:c50fdd80 r7:00000010 r6:b6df7000 r5:c5c4f180 r4:c0c35700

 1680 18:44:33.252328  # [   70.235997] [<c07e17e8>] (full_proxy_write) from [<c059968c>] (vfs_write+0x10c/0x524)

 1681 18:44:33.259864  # [   70.244101]  r9:c07e17e8 r8:c69d5f60 r7:c2815800 r6:b6df7000 r5:c5c4f180 r4:00000000

 1682 18:44:33.268199  # [   70.252118] [<c0599580>] (vfs_write) from [<c0599c20>] (ksys_write+0x74/0xec)

 1683 18:44:33.274947  # [   70.259525]  r10:00000004 r9:00000000 r8:00000000 r7:b6df7000 r6:c69d4000 r5:c5c4f180

 1684 18:44:33.278749  # [   70.267621]  r4:c5c4f180

 1685 18:44:33.285653  # [   70.270429] [<c0599bac>] (ksys_write) from [<c0599cb0>] (sys_write+0x18/0x1c)

 1686 18:44:33.295814  # [   70.277836]  r9:c69d4000 r8:c03002e4 r7:00000004 r6:b6f3ee00 r5:00000010 r4:00000010

 1687 18:44:33.301924  # [   70.285857] [<c0599c98>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 1688 18:44:33.307082  # [   70.293695] Exception stack(0xc69d5fa8 to 0xc69d5ff0)

 1689 18:44:33.315311  # [   70.299021] 5fa0:                   00000010 00000010 00000001 b6df7000 00000010 00000000

 1690 18:44:33.323941  # [   70.307473] 5fc0: 00000010 00000010 b6f3ee00 00000004 00000001 00000000 00020000 bedaca64

 1691 18:44:33.327789  # [   70.315919] 5fe0: 00000004 bedac798 b6ea94cf b6e2f7e6

 1692 18:44:33.331333  # [   70.321388] irq event stamp: 0

 1693 18:44:33.338879  # [   70.324730] hardirqs last  enabled at (0): [<00000000>] 0x0

 1694 18:44:33.345692  # [   70.330586] hardirqs last disabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974

 1695 18:44:33.352732  # [   70.338404] softirqs last  enabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974

 1696 18:44:33.361457  # [   70.346221] softirqs last disabled at (0): [<00000000>] 0x0

 1697 18:44:33.364281  # [   70.352150] ---[ end trace 6556776c6b5d505f ]---

 1698 18:44:33.370809  # WARNING_MESSAGE: saw 'message trigger': ok

 1699 18:44:33.371043  ok 4 selftests: lkdtm: WARNING_MESSAGE.sh

 1700 18:44:33.372911  # selftests: lkdtm: EXCEPTION.sh

 1701 18:44:33.405655  <6>[   70.744396] lkdtm: Performing direct entry EXCEPTION

 1702 18:44:33.410005  <1>[   70.749657] 8<--- cut here ---

 1703 18:44:33.419458  <1>[   70.753071] Unable to handle kernel NULL pointer dereference at virtual address 00000000

 1704 18:44:33.423014  <1>[   70.761493] pgd = 758bb547

 1705 18:44:33.423835  <1>[   70.764482] [00000000] *pgd=00000000

 1706 18:44:33.431777  <0>[   70.768356] Internal error: Oops: 805 [#2] SMP ARM

 1707 18:44:33.459979  <4>[   70.773421] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3

 1708 18:44:33.468530  <4>[   70.802739] CPU: 3 PID: 848 Comm: cat Tainted: G      D W         5.10.170-cip27 #1

 1709 18:44:33.473189  <4>[   70.810665] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 1710 18:44:33.478230  <4>[   70.817474] PC is at lkdtm_EXCEPTION+0x18/0x20

 1711 18:44:33.483431  <4>[   70.822190] LR is at lkdtm_do_action+0x2c/0x4c

 1712 18:44:33.489588  <4>[   70.826905] pc : [<c0c3595c>]    lr : [<c0c35320>]    psr: a00e0013

 1713 18:44:33.494765  <4>[   70.833441] sp : c69a5e58  ip : c69a5e68  fp : c69a5e64

 1714 18:44:33.501851  <4>[   70.838935] r10: 0000000a  r9 : c1acc6f8  r8 : c15e88e4

 1715 18:44:33.507341  <4>[   70.844429] r7 : c69a5f60  r6 : 0000000a  r5 : c69ee000  r4 : 00000004

 1716 18:44:33.513905  <4>[   70.851225] r3 : 00000000  r2 : 28276fed  r1 : ef7c05e0  r0 : c15e8904

 1717 18:44:33.522120  <4>[   70.858023] Flags: NzCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 1718 18:44:33.528928  <4>[   70.865428] Control: 10c5387d  Table: 16dd404a  DAC: 00000051

 1719 18:44:33.534699  <0>[   70.871444] Process cat (pid: 848, stack limit = 0xd9f7b010)

 1720 18:44:33.539594  <0>[   70.877374] Stack: (0xc69a5e58 to 0xc69a6000)

 1721 18:44:33.548005  <0>[   70.882004] 5e40:                                                       c69a5e74 c69a5e68

 1722 18:44:33.555560  <0>[   70.890457] 5e60: c0c35320 c0c35950 c69a5e9c c69a5e78 c0c35820 c0c35300 c0c35700 c69a2140

 1723 18:44:33.563279  <0>[   70.898909] 5e80: b6e55000 0000000a c50fdd80 c69a5f60 c69a5ec4 c69a5ea0 c07e184c c0c3570c

 1724 18:44:33.573019  <0>[   70.907359] 5ea0: 00000000 c69a2140 b6e55000 c2815800 c69a5f60 c07e17e8 c69a5f5c c69a5ec8

 1725 18:44:33.581307  <0>[   70.915810] 5ec0: c059968c c07e17f4 00000001 00000000 c0599c20 c1371d70 c0599c20 c69a4000

 1726 18:44:33.591531  <0>[   70.924260] 5ee0: b6e55000 00020000 00000004 0000000a 0001fff6 c69a5ee0 00000001 b6e54000

 1727 18:44:33.597057  <0>[   70.932710] 5f00: c2feaa00 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 1728 18:44:33.607176  <0>[   70.941160] 5f20: 00000000 00000000 c1371d70 28276fed c205c880 c69a2140 c69a2140 c69a4000

 1729 18:44:33.617043  <0>[   70.949610] 5f40: b6e55000 00000000 00000000 00000004 c69a5f94 c69a5f60 c0599c20 c059958c

 1730 18:44:33.623961  <0>[   70.958064] 5f60: 00000000 00000000 c69a5fac 28276fed 0000000a 0000000a b6f9ce00 00000004

 1731 18:44:33.633871  <0>[   70.966513] 5f80: c03002e4 c69a4000 c69a5fa4 c69a5f98 c0599cb0 c0599bb8 00000000 c69a5fa8

 1732 18:44:33.639907  <0>[   70.974964] 5fa0: c03000c0 c0599ca4 0000000a 0000000a 00000001 b6e55000 0000000a 00000000

 1733 18:44:33.648271  <0>[   70.983413] 5fc0: 0000000a 0000000a b6f9ce00 00000004 00000001 00000000 00020000 be861a64

 1734 18:44:33.656973  <0>[   70.991862] 5fe0: 00000004 be861798 b6f074cf b6e8d7e6 800e0030 00000001 00000000 00000000

 1735 18:44:33.659317  <0>[   71.000305] Backtrace: 

 1736 18:44:33.668272  <0>[   71.003036] [<c0c35944>] (lkdtm_EXCEPTION) from [<c0c35320>] (lkdtm_do_action+0x2c/0x4c)

 1737 18:44:33.677407  <0>[   71.011403] [<c0c352f4>] (lkdtm_do_action) from [<c0c35820>] (direct_entry+0x120/0x18c)

 1738 18:44:33.686105  <0>[   71.019688] [<c0c35700>] (direct_entry) from [<c07e184c>] (full_proxy_write+0x64/0x94)

 1739 18:44:33.694367  <0>[   71.027880]  r9:c69a5f60 r8:c50fdd80 r7:0000000a r6:b6e55000 r5:c69a2140 r4:c0c35700

 1740 18:44:33.701019  <0>[   71.035904] [<c07e17e8>] (full_proxy_write) from [<c059968c>] (vfs_write+0x10c/0x524)

 1741 18:44:33.708475  <0>[   71.044007]  r9:c07e17e8 r8:c69a5f60 r7:c2815800 r6:b6e55000 r5:c69a2140 r4:00000000

 1742 18:44:33.717471  <0>[   71.052023] [<c0599580>] (vfs_write) from [<c0599c20>] (ksys_write+0x74/0xec)

 1743 18:44:33.723363  <0>[   71.059432]  r10:00000004 r9:00000000 r8:00000000 r7:b6e55000 r6:c69a4000 r5:c69a2140

 1744 18:44:33.726221  <0>[   71.067529]  r4:c69a2140

 1745 18:44:33.735962  <0>[   71.070337] [<c0599bac>] (ksys_write) from [<c0599cb0>] (sys_write+0x18/0x1c)

 1746 18:44:33.744491  <0>[   71.077747]  r9:c69a4000 r8:c03002e4 r7:00000004 r6:b6f9ce00 r5:0000000a r4:0000000a

 1747 18:44:33.750117  <0>[   71.085767] [<c0599c98>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 1748 18:44:33.754941  <0>[   71.093603] Exception stack(0xc69a5fa8 to 0xc69a5ff0)

 1749 18:44:33.766906  <0>[   71.098929] 5fa0:                   0000000a 0000000a 00000001 b6e55000 0000000a 00000000

 1750 18:44:33.771295  <0>[   71.107380] 5fc0: 0000000a 0000000a b6f9ce00 00000004 00000001 00000000 00020000 be861a64

 1751 18:44:33.778042  <0>[   71.115829] 5fe0: 00000004 be861798 b6f074cf b6e8d7e6

 1752 18:44:33.783301  <0>[   71.121156] Code: e24cb004 e52de004 e8bd4000 e3a03000 (e5833000) 

 1753 18:44:33.788772  <4>[   71.127629] ---[ end trace 6556776c6b5d5060 ]---

 1754 18:44:33.791107  # Segmentation fault

 1755 18:44:33.875260  # [   70.744396] lkdtm: Performing direct entry EXCEPTION

 1756 18:44:33.877001  # [   70.749657] 8<--- cut here ---

 1757 18:44:33.885162  # [   70.753071] Unable to handle kernel NULL pointer dereference at virtual address 00000000

 1758 18:44:33.888343  # [   70.761493] pgd = 758bb547

 1759 18:44:33.893978  # [   70.764482] [00000000] *pgd=00000000

 1760 18:44:33.898866  # [   70.768356] Internal error: Oops: 805 [#2] SMP ARM

 1761 18:44:33.925460  # [   70.773421] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3

 1762 18:44:33.933602  # [   70.802739] CPU: 3 PID: 848 Comm: cat Tainted: G      D W         5.10.170-cip27 #1

 1763 18:44:33.939785  # [   70.810665] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 1764 18:44:33.946350  # [   70.817474] PC is at lkdtm_EXCEPTION+0x18/0x20

 1765 18:44:33.952557  # [   70.822190] LR is at lkdtm_do_action+0x2c/0x4c

 1766 18:44:33.957217  # [   70.826905] pc : [<c0c3595c>]    lr : [<c0c35320>]    psr: a00e0013

 1767 18:44:33.960759  # [   70.833441] sp : c69a5e58  ip : c69a5e68  fp : c69a5e64

 1768 18:44:33.968098  # [   70.838935] r10: 0000000a  r9 : c1acc6f8  r8 : c15e88e4

 1769 18:44:33.975258  # [   70.844429] r7 : c69a5f60  r6 : 0000000a  r5 : c69ee000  r4 : 00000004

 1770 18:44:33.979816  # [   70.851225] r3 : 00000000  r2 : 28276fed  r1 : ef7c05e0  r0 : c15e8904

 1771 18:44:33.988699  # [   70.858023] Flags: NzCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 1772 18:44:33.993741  # [   70.865428] Control: 10c5387d  Table: 16dd404a  DAC: 00000051

 1773 18:44:33.999670  # [   70.871444] Process cat (pid: 848, stack limit = 0xd9f7b010)

 1774 18:44:34.003280  # [   70.877374] Stack: (0xc69a5e58 to 0xc69a6000)

 1775 18:44:34.014200  # [   70.882004] 5e40:                                                       c69a5e74 c69a5e68

 1776 18:44:34.020771  # [   70.890457] 5e60: c0c35320 c0c35950 c69a5e9c c69a5e78 c0c35820 c0c35300 c0c35700 c69a2140

 1777 18:44:34.030221  # [   70.898909] 5e80: b6e55000 0000000a c50fdd80 c69a5f60 c69a5ec4 c69a5ea0 c07e184c c0c3570c

 1778 18:44:34.036874  # [   70.907359] 5ea0: 00000000 c69a2140 b6e55000 c2815800 c69a5f60 c07e17e8 c69a5f5c c69a5ec8

 1779 18:44:34.045227  # [   70.915810] 5ec0: c059968c c07e17f4 00000001 00000000 c0599c20 c1371d70 c0599c20 c69a4000

 1780 18:44:34.055580  # [   70.924260] 5ee0: b6e55000 00020000 00000004 0000000a 0001fff6 c69a5ee0 00000001 b6e54000

 1781 18:44:34.061472  # [   70.932710] 5f00: c2feaa00 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 1782 18:44:34.071128  # [   70.941160] 5f20: 00000000 00000000 c1371d70 28276fed c205c880 c69a2140 c69a2140 c69a4000

 1783 18:44:34.079445  # [   70.949610] 5f40: b6e55000 00000000 00000000 00000004 c69a5f94 c69a5f60 c0599c20 c059958c

 1784 18:44:34.086946  # [   70.958064] 5f60: 00000000 00000000 c69a5fac 28276fed 0000000a 0000000a b6f9ce00 00000004

 1785 18:44:34.098048  # [   70.966513] 5f80: c03002e4 c69a4000 c69a5fa4 c69a5f98 c0599cb0 c0599bb8 00000000 c69a5fa8

 1786 18:44:34.105028  # [   70.974964] 5fa0: c03000c0 c0599ca4 0000000a 0000000a 00000001 b6e55000 0000000a 00000000

 1787 18:44:34.112947  # [   70.983413] 5fc0: 0000000a 0000000a b6f9ce00 00000004 00000001 00000000 00020000 be861a64

 1788 18:44:34.120090  # [   70.991862] 5fe0: 00000004 be861798 b6f074cf b6e8d7e6 800e0030 00000001 00000000 00000000

 1789 18:44:34.123973  # [   71.000305] Backtrace: 

 1790 18:44:34.133250  # [   71.003036] [<c0c35944>] (lkdtm_EXCEPTION) from [<c0c35320>] (lkdtm_do_action+0x2c/0x4c)

 1791 18:44:34.139932  # [   71.011403] [<c0c352f4>] (lkdtm_do_action) from [<c0c35820>] (direct_entry+0x120/0x18c)

 1792 18:44:34.147443  # [   71.019688] [<c0c35700>] (direct_entry) from [<c07e184c>] (full_proxy_write+0x64/0x94)

 1793 18:44:34.156078  # [   71.027880]  r9:c69a5f60 r8:c50fdd80 r7:0000000a r6:b6e55000 r5:c69a2140 r4:c0c35700

 1794 18:44:34.165103  # [   71.035904] [<c07e17e8>] (full_proxy_write) from [<c059968c>] (vfs_write+0x10c/0x524)

 1795 18:44:34.172963  # [   71.044007]  r9:c07e17e8 r8:c69a5f60 r7:c2815800 r6:b6e55000 r5:c69a2140 r4:00000000

 1796 18:44:34.179130  # [   71.052023] [<c0599580>] (vfs_write) from [<c0599c20>] (ksys_write+0x74/0xec)

 1797 18:44:34.187158  # [   71.059432]  r10:00000004 r9:00000000 r8:00000000 r7:b6e55000 r6:c69a4000 r5:c69a2140

 1798 18:44:34.190100  # [   71.067529]  r4:c69a2140

 1799 18:44:34.198658  # [   71.070337] [<c0599bac>] (ksys_write) from [<c0599cb0>] (sys_write+0x18/0x1c)

 1800 18:44:34.205477  # [   71.077747]  r9:c69a4000 r8:c03002e4 r7:00000004 r6:b6f9ce00 r5:0000000a r4:0000000a

 1801 18:44:34.213163  # [   71.085767] [<c0599c98>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 1802 18:44:34.219504  # [   71.093603] Exception stack(0xc69a5fa8 to 0xc69a5ff0)

 1803 18:44:34.226533  # [   71.098929] 5fa0:                   0000000a 0000000a 00000001 b6e55000 0000000a 00000000

 1804 18:44:34.235272  # [   71.107380] 5fc0: 0000000a 0000000a b6f9ce00 00000004 00000001 00000000 00020000 be861a64

 1805 18:44:34.240665  # [   71.115829] 5fe0: 00000004 be861798 b6f074cf b6e8d7e6

 1806 18:44:34.247041  # [   71.121156] Code: e24cb004 e52de004 e8bd4000 e3a03000 (e5833000) 

 1807 18:44:34.250358  # [   71.127629] ---[ end trace 6556776c6b5d5060 ]---

 1808 18:44:34.255230  # EXCEPTION: missing 'call trace:': [FAIL]

 1809 18:44:34.259079  not ok 5 selftests: lkdtm: EXCEPTION.sh # exit=1

 1810 18:44:34.261962  # selftests: lkdtm: LOOP.sh

 1811 18:44:34.263473  # Skipping LOOP: Hangs the system

 1812 18:44:34.268061  ok 6 selftests: lkdtm: LOOP.sh # SKIP

 1813 18:44:34.269970  # selftests: lkdtm: EXHAUST_STACK.sh

 1814 18:44:34.463063  # Skipping EXHAUST_STACK: Corrupts memory on failure

 1815 18:44:34.472129  ok 7 selftests: lkdtm: EXHAUST_STACK.sh # SKIP

 1816 18:44:34.499607  # selftests: lkdtm: CORRUPT_STACK.sh

 1817 18:44:34.700047  # Skipping CORRUPT_STACK: Crashes entire system on success

 1818 18:44:34.708876  ok 8 selftests: lkdtm: CORRUPT_STACK.sh # SKIP

 1819 18:44:34.730474  # selftests: lkdtm: CORRUPT_STACK_STRONG.sh

 1820 18:44:34.923961  # Skipping CORRUPT_STACK_STRONG: Crashes entire system on success

 1821 18:44:34.932979  ok 9 selftests: lkdtm: CORRUPT_STACK_STRONG.sh # SKIP

 1822 18:44:34.952377  # selftests: lkdtm: CORRUPT_LIST_ADD.sh

 1823 18:44:35.186997  <6>[   72.522996] lkdtm: Performing direct entry CORRUPT_LIST_ADD

 1824 18:44:35.190228  <6>[   72.528855] lkdtm: attempting good list addition

 1825 18:44:35.196713  <6>[   72.533819] lkdtm: attempting corrupted list addition

 1826 18:44:35.200186  <3>[   72.539149] lkdtm: list_add() corruption not detected!

 1827 18:44:35.264719  # [   72.522996] lkdtm: Performing direct entry CORRUPT_LIST_ADD

 1828 18:44:35.268968  # [   72.528855] lkdtm: attempting good list addition

 1829 18:44:35.278932  # [   72.533819] lkdtm: attempting corrupted list addition

 1830 18:44:35.279900  # [   72.539149] lkdtm: list_add() corruption not detected!

 1831 18:44:35.306136  # CORRUPT_LIST_ADD: missing 'list_add corruption': [FAIL]

 1832 18:44:35.341488  not ok 10 selftests: lkdtm: CORRUPT_LIST_ADD.sh # exit=1

 1833 18:44:35.369810  # selftests: lkdtm: CORRUPT_LIST_DEL.sh

 1834 18:44:35.618079  <6>[   72.956444] lkdtm: Performing direct entry CORRUPT_LIST_DEL

 1835 18:44:35.622855  <6>[   72.962414] lkdtm: attempting good list removal

 1836 18:44:35.628034  <6>[   72.967225] lkdtm: attempting corrupted list removal

 1837 18:44:35.633535  <3>[   72.972512] lkdtm: list_del() corruption not detected!

 1838 18:44:35.697281  # [   72.956444] lkdtm: Performing direct entry CORRUPT_LIST_DEL

 1839 18:44:35.705383  # [   72.962414] lkdtm: attempting good list removal

 1840 18:44:35.707257  # [   72.967225] lkdtm: attempting corrupted list removal

 1841 18:44:35.712222  # [   72.972512] lkdtm: list_del() corruption not detected!

 1842 18:44:35.726354  # CORRUPT_LIST_DEL: missing 'list_del corruption': [FAIL]

 1843 18:44:35.748445  not ok 11 selftests: lkdtm: CORRUPT_LIST_DEL.sh # exit=1

 1844 18:44:35.778623  # selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh

 1845 18:44:36.012645  <6>[   73.348806] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING

 1846 18:44:36.017741  <6>[   73.355423] lkdtm: attempting bad read from page below current stack

 1847 18:44:36.024038  <3>[   73.362130] lkdtm: FAIL: accessed page before stack! (byte: 43)

 1848 18:44:36.092360  # [   73.348806] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING

 1849 18:44:36.099088  # [   73.355423] lkdtm: attempting bad read from page below current stack

 1850 18:44:36.103900  # [   73.362130] lkdtm: FAIL: accessed page before stack! (byte: 43)

 1851 18:44:36.130963  # STACK_GUARD_PAGE_LEADING: missing 'call trace:': [FAIL]

 1852 18:44:36.154864  not ok 12 selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh # exit=1

 1853 18:44:36.183872  # selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh

 1854 18:44:36.419799  <6>[   73.755634] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING

 1855 18:44:36.424992  <6>[   73.762361] lkdtm: attempting bad read from page above current stack

 1856 18:44:36.431261  <3>[   73.769012] lkdtm: FAIL: accessed page after stack! (byte: 0)

 1857 18:44:36.496210  # [   73.755634] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING

 1858 18:44:36.502697  # [   73.762361] lkdtm: attempting bad read from page above current stack

 1859 18:44:36.509255  # [   73.769012] lkdtm: FAIL: accessed page after stack! (byte: 0)

 1860 18:44:36.538043  # STACK_GUARD_PAGE_TRAILING: missing 'call trace:': [FAIL]

 1861 18:44:36.562442  not ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # exit=1

 1862 18:44:36.589288  # selftests: lkdtm: UNSET_SMEP.sh

 1863 18:44:36.821133  <6>[   74.159828] lkdtm: Performing direct entry UNSET_SMEP

 1864 18:44:36.826548  <3>[   74.165286] lkdtm: XFAIL: this test is x86_64-only

 1865 18:44:36.898879  # [   74.159828] lkdtm: Performing direct entry UNSET_SMEP

 1866 18:44:36.905850  # [   74.165286] lkdtm: XFAIL: this test is x86_64-only

 1867 18:44:36.923082  # UNSET_SMEP: saw 'XFAIL': [SKIP]

 1868 18:44:36.960922  ok 14 selftests: lkdtm: UNSET_SMEP.sh # SKIP

 1869 18:44:36.997802  # selftests: lkdtm: DOUBLE_FAULT.sh

 1870 18:44:37.231082  <6>[   74.568897] lkdtm: Performing direct entry DOUBLE_FAULT

 1871 18:44:37.235156  <3>[   74.574519] lkdtm: XFAIL: this test is ia32-only

 1872 18:44:37.297938  # [   74.568897] lkdtm: Performing direct entry DOUBLE_FAULT

 1873 18:44:37.300651  # [   74.574519] lkdtm: XFAIL: this test is ia32-only

 1874 18:44:37.320114  # DOUBLE_FAULT: saw 'XFAIL': [SKIP]

 1875 18:44:37.341862  ok 15 selftests: lkdtm: DOUBLE_FAULT.sh # SKIP

 1876 18:44:37.372430  # selftests: lkdtm: CORRUPT_PAC.sh

 1877 18:44:37.596778  <6>[   74.934696] lkdtm: Performing direct entry CORRUPT_PAC

 1878 18:44:37.601059  <3>[   74.940121] lkdtm: XFAIL: this test is arm64-only

 1879 18:44:37.674628  # [   74.934696] lkdtm: Performing direct entry CORRUPT_PAC

 1880 18:44:37.682459  # [   74.940121] lkdtm: XFAIL: this test is arm64-only

 1881 18:44:37.694076  # CORRUPT_PAC: saw 'XFAIL': [SKIP]

 1882 18:44:37.717194  ok 16 selftests: lkdtm: CORRUPT_PAC.sh # SKIP

 1883 18:44:37.750447  # selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh

 1884 18:44:37.968516  <6>[   75.306254] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE

 1885 18:44:37.975866  <3>[   75.313062] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS

 1886 18:44:38.045264  # [   75.306254] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE

 1887 18:44:38.048617  # [   75.313062] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS

 1888 18:44:38.076254  # UNALIGNED_LOAD_STORE_WRITE: saw 'XFAIL': [SKIP]

 1889 18:44:38.103838  ok 17 selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh # SKIP

 1890 18:44:38.125922  # selftests: lkdtm: OVERWRITE_ALLOCATION.sh

 1891 18:44:38.318228  # Skipping OVERWRITE_ALLOCATION: Corrupts memory on failure

 1892 18:44:38.327224  ok 18 selftests: lkdtm: OVERWRITE_ALLOCATION.sh # SKIP

 1893 18:44:38.347431  # selftests: lkdtm: WRITE_AFTER_FREE.sh

 1894 18:44:38.539413  # Skipping WRITE_AFTER_FREE: Corrupts memory on failure

 1895 18:44:38.552980  ok 19 selftests: lkdtm: WRITE_AFTER_FREE.sh # SKIP

 1896 18:44:38.572324  # selftests: lkdtm: READ_AFTER_FREE.sh

 1897 18:44:38.796578  <6>[   76.134519] lkdtm: Performing direct entry READ_AFTER_FREE

 1898 18:44:38.801848  <6>[   76.140296] lkdtm: Value in memory before free: 12345678

 1899 18:44:38.808328  <6>[   76.145977] lkdtm: Attempting bad read from freed memory

 1900 18:44:38.811953  <6>[   76.151616] lkdtm: Memory was not poisoned

 1901 18:44:38.880533  # [   76.134519] lkdtm: Performing direct entry READ_AFTER_FREE

 1902 18:44:38.882619  # [   76.140296] lkdtm: Value in memory before free: 12345678

 1903 18:44:38.888652  # [   76.145977] lkdtm: Attempting bad read from freed memory

 1904 18:44:38.889696  # [   76.151616] lkdtm: Memory was not poisoned

 1905 18:44:38.912795  # READ_AFTER_FREE: missing 'call trace:': [FAIL]

 1906 18:44:38.941437  not ok 20 selftests: lkdtm: READ_AFTER_FREE.sh # exit=1

 1907 18:44:38.978599  # selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh

 1908 18:44:39.173262  # Skipping WRITE_BUDDY_AFTER_FREE: Corrupts memory on failure

 1909 18:44:39.182447  ok 21 selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # SKIP

 1910 18:44:39.206957  # selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh

 1911 18:44:39.443290  <6>[   76.778410] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE

 1912 18:44:39.448049  <6>[   76.784818] lkdtm: Value in memory before free: 12345678

 1913 18:44:39.451540  <6>[   76.790407] lkdtm: Attempting to read from freed memory

 1914 18:44:39.456755  <6>[   76.795949] lkdtm: Buddy page was not poisoned

 1915 18:44:39.520817  # [   76.778410] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE

 1916 18:44:39.526655  # [   76.784818] lkdtm: Value in memory before free: 12345678

 1917 18:44:39.529792  # [   76.790407] lkdtm: Attempting to read from freed memory

 1918 18:44:39.535154  # [   76.795949] lkdtm: Buddy page was not poisoned

 1919 18:44:39.544881  # READ_BUDDY_AFTER_FREE: missing 'call trace:': [FAIL]

 1920 18:44:39.566869  not ok 22 selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh # exit=1

 1921 18:44:39.594781  # selftests: lkdtm: SLAB_FREE_DOUBLE.sh

 1922 18:44:39.815414  <6>[   77.151626] lkdtm: Performing direct entry SLAB_FREE_DOUBLE

 1923 18:44:39.817943  <6>[   77.157500] lkdtm: Attempting double slab free ...

 1924 18:44:39.887832  # [   77.151626] lkdtm: Performing direct entry SLAB_FREE_DOUBLE

 1925 18:44:39.893035  # [   77.157500] lkdtm: Attempting double slab free ...

 1926 18:44:39.913726  # SLAB_FREE_DOUBLE: missing 'call trace:': [FAIL]

 1927 18:44:39.937146  not ok 23 selftests: lkdtm: SLAB_FREE_DOUBLE.sh # exit=1

 1928 18:44:39.966576  # selftests: lkdtm: SLAB_FREE_CROSS.sh

 1929 18:44:40.179129  <6>[   77.516593] lkdtm: Performing direct entry SLAB_FREE_CROSS

 1930 18:44:40.183563  <6>[   77.522449] lkdtm: Attempting cross-cache slab free ...

 1931 18:44:40.246614  # [   77.516593] lkdtm: Performing direct entry SLAB_FREE_CROSS

 1932 18:44:40.251115  # [   77.522449] lkdtm: Attempting cross-cache slab free ...

 1933 18:44:40.271693  # SLAB_FREE_CROSS: missing 'call trace:': [FAIL]

 1934 18:44:40.306654  not ok 24 selftests: lkdtm: SLAB_FREE_CROSS.sh # exit=1

 1935 18:44:40.333287  # selftests: lkdtm: SLAB_FREE_PAGE.sh

 1936 18:44:40.556199  <6>[   77.893091] lkdtm: Performing direct entry SLAB_FREE_PAGE

 1937 18:44:40.559755  <6>[   77.898810] lkdtm: Attempting non-Slab slab free ...

 1938 18:44:40.637981  # [   77.893091] lkdtm: Performing direct entry SLAB_FREE_PAGE

 1939 18:44:40.641577  # [   77.898810] lkdtm: Attempting non-Slab slab free ...

 1940 18:44:40.664717  # SLAB_FREE_PAGE: missing 'call trace:': [FAIL]

 1941 18:44:40.687002  not ok 25 selftests: lkdtm: SLAB_FREE_PAGE.sh # exit=1

 1942 18:44:40.706849  # selftests: lkdtm: SOFTLOCKUP.sh

 1943 18:44:40.900511  # Skipping SOFTLOCKUP: Hangs the system

 1944 18:44:40.910790  ok 26 selftests: lkdtm: SOFTLOCKUP.sh # SKIP

 1945 18:44:40.938625  # selftests: lkdtm: HARDLOCKUP.sh

 1946 18:44:41.130784  # Skipping HARDLOCKUP: Hangs the system

 1947 18:44:41.141794  ok 27 selftests: lkdtm: HARDLOCKUP.sh # SKIP

 1948 18:44:41.171287  # selftests: lkdtm: SPINLOCKUP.sh

 1949 18:44:41.363885  # Skipping SPINLOCKUP: Hangs the system

 1950 18:44:41.377465  ok 28 selftests: lkdtm: SPINLOCKUP.sh # SKIP

 1951 18:44:41.406812  # selftests: lkdtm: HUNG_TASK.sh

 1952 18:44:41.593423  # Skipping HUNG_TASK: Hangs the system

 1953 18:44:41.603801  ok 29 selftests: lkdtm: HUNG_TASK.sh # SKIP

 1954 18:44:41.633113  # selftests: lkdtm: EXEC_DATA.sh

 1955 18:44:41.862028  <6>[   79.200323] lkdtm: Performing direct entry EXEC_DATA

 1956 18:44:41.868150  <6>[   79.205696] lkdtm: attempting ok execution at c0c36090

 1957 18:44:41.872948  <6>[   79.211163] lkdtm: attempting bad execution at c26f696c

 1958 18:44:41.878239  <1>[   79.216675] 8<--- cut here ---

 1959 18:44:41.884381  <1>[   79.220003] Unable to handle kernel paging request at virtual address c26f696c

 1960 18:44:41.887802  <1>[   79.227496] pgd = de9ead57

 1961 18:44:41.892125  <1>[   79.230472] [c26f696c] *pgd=1261141e(bad)

 1962 18:44:41.897007  <0>[   79.234769] Internal error: Oops: 8000000d [#3] SMP ARM

 1963 18:44:41.926028  <4>[   79.240265] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3

 1964 18:44:41.933836  <4>[   79.269605] CPU: 1 PID: 1691 Comm: cat Tainted: G      D W         5.10.170-cip27 #1

 1965 18:44:41.940433  <4>[   79.277617] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 1966 18:44:41.947615  <4>[   79.284424] PC is at data_area+0x0/0x40

 1967 18:44:41.950411  <4>[   79.288540] LR is at execute_location+0xa4/0xb4

 1968 18:44:41.957114  <4>[   79.293341] pc : [<c26f696c>]    lr : [<c135c578>]    psr: 600e0013

 1969 18:44:41.961883  <4>[   79.299878] sp : c69d5e38  ip : 00000027  fp : c69d5e54

 1970 18:44:41.967074  <4>[   79.305372] r10: 0000000a  r9 : c1acc8dc  r8 : c15e88e4

 1971 18:44:41.973765  <4>[   79.310866] r7 : c69d5f60  r6 : 00000001  r5 : c26f696c  r4 : c0c36090

 1972 18:44:41.980175  <4>[   79.317661] r3 : bd0e5256  r2 : bd0e5256  r1 : ef7965e4  r0 : 0000002b

 1973 18:44:41.988664  <4>[   79.324460] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 1974 18:44:41.996608  <4>[   79.331866] Control: 10c5387d  Table: 15ee004a  DAC: 00000051

 1975 18:44:42.000853  <0>[   79.337882] Process cat (pid: 1691, stack limit = 0x74d48048)

 1976 18:44:42.004242  <0>[   79.343898] Stack: (0xc69d5e38 to 0xc69d6000)

 1977 18:44:42.013261  <0>[   79.348526] 5e20:                                                       0000001f c580f000

 1978 18:44:42.023142  <0>[   79.356978] 5e40: 0000000a c69d5f60 c69d5e64 c69d5e58 c135c6e4 c135c4e0 c69d5e74 c69d5e68

 1979 18:44:42.032592  <0>[   79.365428] 5e60: c0c35320 c135c6cc c69d5e9c c69d5e78 c0c35820 c0c35300 c0c35700 c69977c0

 1980 18:44:42.039228  <0>[   79.373878] 5e80: b6e0e000 0000000a c50fdd80 c69d5f60 c69d5ec4 c69d5ea0 c07e184c c0c3570c

 1981 18:44:42.049719  <0>[   79.382327] 5ea0: 00000000 c69977c0 b6e0e000 c2815800 c69d5f60 c07e17e8 c69d5f5c c69d5ec8

 1982 18:44:42.054942  <0>[   79.390777] 5ec0: c059968c c07e17f4 00000001 00000000 c0599c20 c1371d70 c0599c20 c69d4000

 1983 18:44:42.063935  <0>[   79.399227] 5ee0: b6e0e000 00020000 00000004 0000000a 0001fff6 c69d5ee0 00000001 b6e0d000

 1984 18:44:42.072788  <0>[   79.407676] 5f00: c5a872c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 1985 18:44:42.081843  <0>[   79.416126] 5f20: 00000000 00000000 c1371d70 bd0e5256 c205c880 c69977c0 c69977c0 c69d4000

 1986 18:44:42.088866  <0>[   79.424576] 5f40: b6e0e000 00000000 00000000 00000004 c69d5f94 c69d5f60 c0599c20 c059958c

 1987 18:44:42.097097  <0>[   79.433027] 5f60: 00000000 00000000 c69d5fac bd0e5256 0000000a 0000000a b6f55e00 00000004

 1988 18:44:42.106184  <0>[   79.441477] 5f80: c03002e4 c69d4000 c69d5fa4 c69d5f98 c0599cb0 c0599bb8 00000000 c69d5fa8

 1989 18:44:42.116766  <0>[   79.449927] 5fa0: c03000c0 c0599ca4 0000000a 0000000a 00000001 b6e0e000 0000000a 00000000

 1990 18:44:42.123958  <0>[   79.458376] 5fc0: 0000000a 0000000a b6f55e00 00000004 00000001 00000000 00020000 bed9ca64

 1991 18:44:42.131149  <0>[   79.466827] 5fe0: 00000004 bed9c798 b6ec04cf b6e467e6 800e0030 00000001 00000000 00000000

 1992 18:44:42.133731  <0>[   79.475270] Backtrace: 

 1993 18:44:42.144690  <0>[   79.478006] [<c135c4d4>] (execute_location) from [<c135c6e4>] (lkdtm_EXEC_DATA+0x24/0x28)

 1994 18:44:42.148101  <0>[   79.486458]  r7:c69d5f60 r6:0000000a r5:c580f000 r4:0000001f

 1995 18:44:42.157245  <0>[   79.492395] [<c135c6c0>] (lkdtm_EXEC_DATA) from [<c0c35320>] (lkdtm_do_action+0x2c/0x4c)

 1996 18:44:42.166000  <0>[   79.500761] [<c0c352f4>] (lkdtm_do_action) from [<c0c35820>] (direct_entry+0x120/0x18c)

 1997 18:44:42.173191  <0>[   79.509042] [<c0c35700>] (direct_entry) from [<c07e184c>] (full_proxy_write+0x64/0x94)

 1998 18:44:42.182711  <0>[   79.517232]  r9:c69d5f60 r8:c50fdd80 r7:0000000a r6:b6e0e000 r5:c69977c0 r4:c0c35700

 1999 18:44:42.188668  <0>[   79.525257] [<c07e17e8>] (full_proxy_write) from [<c059968c>] (vfs_write+0x10c/0x524)

 2000 18:44:42.197173  <0>[   79.533361]  r9:c07e17e8 r8:c69d5f60 r7:c2815800 r6:b6e0e000 r5:c69977c0 r4:00000000

 2001 18:44:42.206019  <0>[   79.541378] [<c0599580>] (vfs_write) from [<c0599c20>] (ksys_write+0x74/0xec)

 2002 18:44:42.217138  <0>[   79.548786]  r10:00000004 r9:00000000 r8:00000000 r7:b6e0e000 r6:c69d4000 r5:c69977c0

 2003 18:44:42.218029  <0>[   79.556883]  r4:c69977c0

 2004 18:44:42.224259  <0>[   79.559691] [<c0599bac>] (ksys_write) from [<c0599cb0>] (sys_write+0x18/0x1c)

 2005 18:44:42.233936  <0>[   79.567099]  r9:c69d4000 r8:c03002e4 r7:00000004 r6:b6f55e00 r5:0000000a r4:0000000a

 2006 18:44:42.239824  <0>[   79.575120] [<c0599c98>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 2007 18:44:42.245597  <0>[   79.582957] Exception stack(0xc69d5fa8 to 0xc69d5ff0)

 2008 18:44:42.253044  <0>[   79.588281] 5fa0:                   0000000a 0000000a 00000001 b6e0e000 0000000a 00000000

 2009 18:44:42.262951  <0>[   79.596733] 5fc0: 0000000a 0000000a b6f55e00 00000004 00000001 00000000 00020000 bed9ca64

 2010 18:44:42.266805  <0>[   79.605180] 5fe0: 00000004 bed9c798 b6ec04cf b6e467e6

 2011 18:44:42.273105  <0>[   79.610508] Code: 00000000 c2dc19c0 c2dc1a80 c2dc1b40 (e1a0c00d) 

 2012 18:44:42.278726  <4>[   79.616878] ---[ end trace 6556776c6b5d5061 ]---

 2013 18:44:42.282079  # Segmentation fault

 2014 18:44:42.376746  # [   79.200323] lkdtm: Performing direct entry EXEC_DATA

 2015 18:44:42.381426  # [   79.205696] lkdtm: attempting ok execution at c0c36090

 2016 18:44:42.387181  # [   79.211163] lkdtm: attempting bad execution at c26f696c

 2017 18:44:42.390061  # [   79.216675] 8<--- cut here ---

 2018 18:44:42.397697  # [   79.220003] Unable to handle kernel paging request at virtual address c26f696c

 2019 18:44:42.400626  # [   79.227496] pgd = de9ead57

 2020 18:44:42.404849  # [   79.230472] [c26f696c] *pgd=1261141e(bad)

 2021 18:44:42.410689  # [   79.234769] Internal error: Oops: 8000000d [#3] SMP ARM

 2022 18:44:42.439684  # [   79.240265] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3

 2023 18:44:42.447734  # [   79.269605] CPU: 1 PID: 1691 Comm: cat Tainted: G      D W         5.10.170-cip27 #1

 2024 18:44:42.453036  # [   79.277617] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 2025 18:44:42.458518  # [   79.284424] PC is at data_area+0x0/0x40

 2026 18:44:42.463400  # [   79.288540] LR is at execute_location+0xa4/0xb4

 2027 18:44:42.469646  # [   79.293341] pc : [<c26f696c>]    lr : [<c135c578>]    psr: 600e0013

 2028 18:44:42.475515  # [   79.299878] sp : c69d5e38  ip : 00000027  fp : c69d5e54

 2029 18:44:42.479997  # [   79.305372] r10: 0000000a  r9 : c1acc8dc  r8 : c15e88e4

 2030 18:44:42.486330  # [   79.310866] r7 : c69d5f60  r6 : 00000001  r5 : c26f696c  r4 : c0c36090

 2031 18:44:42.492723  # [   79.317661] r3 : bd0e5256  r2 : bd0e5256  r1 : ef7965e4  r0 : 0000002b

 2032 18:44:42.501733  # [   79.324460] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 2033 18:44:42.508523  # [   79.331866] Control: 10c5387d  Table: 15ee004a  DAC: 00000051

 2034 18:44:42.513658  # [   79.337882] Process cat (pid: 1691, stack limit = 0x74d48048)

 2035 18:44:42.515859  # [   79.343898] Stack: (0xc69d5e38 to 0xc69d6000)

 2036 18:44:42.524725  # [   79.348526] 5e20:                                                       0000001f c580f000

 2037 18:44:42.533141  # [   79.356978] 5e40: 0000000a c69d5f60 c69d5e64 c69d5e58 c135c6e4 c135c4e0 c69d5e74 c69d5e68

 2038 18:44:42.540884  # [   79.365428] 5e60: c0c35320 c135c6cc c69d5e9c c69d5e78 c0c35820 c0c35300 c0c35700 c69977c0

 2039 18:44:42.552392  # [   79.373878] 5e80: b6e0e000 0000000a c50fdd80 c69d5f60 c69d5ec4 c69d5ea0 c07e184c c0c3570c

 2040 18:44:42.558971  # [   79.382327] 5ea0: 00000000 c69977c0 b6e0e000 c2815800 c69d5f60 c07e17e8 c69d5f5c c69d5ec8

 2041 18:44:42.567216  # [   79.390777] 5ec0: c059968c c07e17f4 00000001 00000000 c0599c20 c1371d70 c0599c20 c69d4000

 2042 18:44:42.574812  # [   79.399227] 5ee0: b6e0e000 00020000 00000004 0000000a 0001fff6 c69d5ee0 00000001 b6e0d000

 2043 18:44:42.584878  # [   79.407676] 5f00: c5a872c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 2044 18:44:42.590745  # [   79.416126] 5f20: 00000000 00000000 c1371d70 bd0e5256 c205c880 c69977c0 c69977c0 c69d4000

 2045 18:44:42.598998  # [   79.424576] 5f40: b6e0e000 00000000 00000000 00000004 c69d5f94 c69d5f60 c0599c20 c059958c

 2046 18:44:42.607904  # [   79.433027] 5f60: 00000000 00000000 c69d5fac bd0e5256 0000000a 0000000a b6f55e00 00000004

 2047 18:44:42.617608  # [   79.441477] 5f80: c03002e4 c69d4000 c69d5fa4 c69d5f98 c0599cb0 c0599bb8 00000000 c69d5fa8

 2048 18:44:42.626040  # [   79.449927] 5fa0: c03000c0 c0599ca4 0000000a 0000000a 00000001 b6e0e000 0000000a 00000000

 2049 18:44:42.635748  # [   79.458376] 5fc0: 0000000a 0000000a b6f55e00 00000004 00000001 00000000 00020000 bed9ca64

 2050 18:44:42.642661  # [   79.466827] 5fe0: 00000004 bed9c798 b6ec04cf b6e467e6 800e0030 00000001 00000000 00000000

 2051 18:44:42.646069  # [   79.475270] Backtrace: 

 2052 18:44:42.653931  # [   79.478006] [<c135c4d4>] (execute_location) from [<c135c6e4>] (lkdtm_EXEC_DATA+0x24/0x28)

 2053 18:44:42.659139  # [   79.486458]  r7:c69d5f60 r6:0000000a r5:c580f000 r4:0000001f

 2054 18:44:42.669757  # [   79.492395] [<c135c6c0>] (lkdtm_EXEC_DATA) from [<c0c35320>] (lkdtm_do_action+0x2c/0x4c)

 2055 18:44:42.676473  # [   79.500761] [<c0c352f4>] (lkdtm_do_action) from [<c0c35820>] (direct_entry+0x120/0x18c)

 2056 18:44:42.684001  # [   79.509042] [<c0c35700>] (direct_entry) from [<c07e184c>] (full_proxy_write+0x64/0x94)

 2057 18:44:42.691332  # [   79.517232]  r9:c69d5f60 r8:c50fdd80 r7:0000000a r6:b6e0e000 r5:c69977c0 r4:c0c35700

 2058 18:44:42.701118  # [   79.525257] [<c07e17e8>] (full_proxy_write) from [<c059968c>] (vfs_write+0x10c/0x524)

 2059 18:44:42.707296  # [   79.533361]  r9:c07e17e8 r8:c69d5f60 r7:c2815800 r6:b6e0e000 r5:c69977c0 r4:00000000

 2060 18:44:42.713706  # [   79.541378] [<c0599580>] (vfs_write) from [<c0599c20>] (ksys_write+0x74/0xec)

 2061 18:44:42.721835  # [   79.548786]  r10:00000004 r9:00000000 r8:00000000 r7:b6e0e000 r6:c69d4000 r5:c69977c0

 2062 18:44:42.724222  # [   79.556883]  r4:c69977c0

 2063 18:44:42.731656  # [   79.559691] [<c0599bac>] (ksys_write) from [<c0599cb0>] (sys_write+0x18/0x1c)

 2064 18:44:42.741343  # [   79.567099]  r9:c69d4000 r8:c03002e4 r7:00000004 r6:b6f55e00 r5:0000000a r4:0000000a

 2065 18:44:42.747710  # [   79.575120] [<c0599c98>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 2066 18:44:42.753722  # [   79.582957] Exception stack(0xc69d5fa8 to 0xc69d5ff0)

 2067 18:44:42.763160  # [   79.588281] 5fa0:                   0000000a 0000000a 00000001 b6e0e000 0000000a 00000000

 2068 18:44:42.771819  # [   79.596733] 5fc0: 0000000a 0000000a b6f55e00 00000004 00000001 00000000 00020000 bed9ca64

 2069 18:44:42.774717  # [   79.605180] 5fe0: 00000004 bed9c798 b6ec04cf b6e467e6

 2070 18:44:42.781749  # [   79.610508] Code:<6>[   80.119918] lkdtm: Performing direct entry EXEC_STACK

 2071 18:44:42.791610   00000000 c2dc19c0 c2dc1a80 c2dc1<6>[   80.125735] lkdtm: attempting ok execution at c0c36090

 2072 18:44:42.792047  b40 (e1a0c00d) 

 2073 18:44:42.797739  # [   79.616878]<6>[   80.133955] lkdtm: attempting bad execution at c5c2fe0c

 2074 18:44:42.805618   ---[ end trace 6556776c6b5d5061 <1>[   80.142259] 8<--- cut here ---

 2075 18:44:42.806006  ]---

 2076 18:44:42.815163  # EXEC_DATA: mi<1s>s[i n g 80.148361] Unable to handle kernel paging request at virtual address c5c2fe0c

 2077 18:44:42.817004  'call trace:': <[1F>A[I L ] 

 2078 18:44:42.817573  8

 2079 18:44:42.819273  0n158099] pgd = 105efa03

 2080 18:44:42.827616  ot ok 30 selftests: lkdtm: EXEC_D<1>[   80.163063] [c5c2fe0c] *pgd=15c1141e(bad)

 2081 18:44:42.828413  ATA.sh # exit=1

 2082 18:44:42.833722  # selft<e0s>t[s   80.170200] Internal error: Oops: 8000000d [#4] SMP ARM

 2083 18:44:42.838812   lkdtm: EXEC_STACK.sh

 2084 18:44:42.867194  <4>[   80.178110] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3

 2085 18:44:42.873379  <4>[   80.209205] CPU: 3 PID: 1767 Comm: cat Tainted: G      D W         5.10.170-cip27 #1

 2086 18:44:42.886212  <4>[   80.217219] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 2087 18:44:42.887300  <4>[   80.224021] PC is at 0xc5c2fe0c

 2088 18:44:42.889775  <4>[   80.227448] LR is at execute_location+0xa4/0xb4

 2089 18:44:42.896668  <4>[   80.232249] pc : [<c5c2fe0c>]    lr : [<c135c578>]    psr: 600e0013

 2090 18:44:42.900799  <4>[   80.238784] sp : c5c2fde8  ip : c5c2fcf0  fp : c5c2fe04

 2091 18:44:42.906823  <4>[   80.244276] r10: 0000000b  r9 : c1acc8e8  r8 : c15e88e4

 2092 18:44:42.915046  <4>[   80.249769] r7 : c5c2ff60  r6 : 00000001  r5 : c5c2fe0c  r4 : c0c36090

 2093 18:44:42.920759  <4>[   80.256563] r3 : f678bafa  r2 : f678bafa  r1 : ef7c05e0  r0 : 0000002b

 2094 18:44:42.928292  <4>[   80.263362] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 2095 18:44:42.934711  <4>[   80.270767] Control: 10c5387d  Table: 15da004a  DAC: 00000051

 2096 18:44:42.941760  <0>[   80.276782] Process cat (pid: 1767, stack limit = 0xd76da7b3)

 2097 18:44:42.945223  <0>[   80.282799] Stack: (0xc5c2fde8 to 0xc5c30000)

 2098 18:44:42.951465  <0>[   80.287432] fde0:                   c5c2e000 c6b7c000 0000000b c5c2ff60 c5c2fe64 c5c2fe08

 2099 18:44:42.960336  <0>[   80.295884] fe00: c135c720 c135c4e0 c5c2fe6c e1a0c00d e92dd800 e24cb004 e52de004 e8bd4000

 2100 18:44:42.970282  <0>[   80.304334] fe20: e89da800 e1a0c00d e92dd830 e24cb004 e52de004 e8bd4000 e30d3374 e34c31b7

 2101 18:44:42.977946  <0>[   80.312784] fe40: e3a02040 e3a01d33 e5930018 f678bafa 0000000b 00000020 c5c2fe74 c5c2fe68

 2102 18:44:42.988857  <0>[   80.321235] fe60: c0c35320 c135c6f4 c5c2fe9c c5c2fe78 c0c35820 c0c35300 c0c35700 c5a87b80

 2103 18:44:42.993953  <0>[   80.329685] fe80: b6e13000 0000000b c50fdd80 c5c2ff60 c5c2fec4 c5c2fea0 c07e184c c0c3570c

 2104 18:44:43.005195  <0>[   80.338136] fea0: 00000000 c5a87b80 b6e13000 c2815800 c5c2ff60 c07e17e8 c5c2ff5c c5c2fec8

 2105 18:44:43.011550  <0>[   80.346587] fec0: c059968c c07e17f4 00000001 00000000 c0599c20 c1371d70 c0599c20 c5c2e000

 2106 18:44:43.021630  <0>[   80.355037] fee0: b6e13000 00020000 00000004 0000000b 0001fff5 c5c2fee0 00000001 b6e12000

 2107 18:44:43.028082  <0>[   80.363487] ff00: c5aba280 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 2108 18:44:43.035985  <0>[   80.371937] ff20: 00000000 00000000 c1371d70 f678bafa c205c880 c5a87b80 c5a87b80 c5c2e000

 2109 18:44:43.044978  <0>[   80.380387] ff40: b6e13000 00000000 00000000 00000004 c5c2ff94 c5c2ff60 c0599c20 c059958c

 2110 18:44:43.053299  <0>[   80.388838] ff60: 00000000 00000000 c5c2ffac f678bafa 0000000b 0000000b b6f5ae00 00000004

 2111 18:44:43.064037  <0>[   80.397288] ff80: c03002e4 c5c2e000 c5c2ffa4 c5c2ff98 c0599cb0 c0599bb8 00000000 c5c2ffa8

 2112 18:44:43.071961  <0>[   80.405738] ffa0: c03000c0 c0599ca4 0000000b 0000000b 00000001 b6e13000 0000000b 00000000

 2113 18:44:43.080141  <0>[   80.414187] ffc0: 0000000b 0000000b b6f5ae00 00000004 00000001 00000000 00020000 be86ba64

 2114 18:44:43.088192  <0>[   80.422636] ffe0: 00000004 be86b798 b6ec54cf b6e4b7e6 800e0030 00000001 00000000 00000000

 2115 18:44:43.090929  <0>[   80.431079] Backtrace: 

 2116 18:44:43.098067  <0>[   80.433814] [<c135c4d4>] (execute_location) from [<c135c720>] (lkdtm_EXEC_STACK+0x38/0x54)

 2117 18:44:43.107133  <0>[   80.442352]  r7:c5c2ff60 r6:0000000b r5:c6b7c000 r4:c5c2e000

 2118 18:44:43.113009  <0>[   80.448291] [<c135c6e8>] (lkdtm_EXEC_STACK) from [<c0c35320>] (lkdtm_do_action+0x2c/0x4c)

 2119 18:44:43.118450  <0>[   80.456737]  r4:00000020

 2120 18:44:43.124306  <0>[   80.459548] [<c0c352f4>] (lkdtm_do_action) from [<c0c35820>] (direct_entry+0x120/0x18c)

 2121 18:44:43.133053  <0>[   80.467831] [<c0c35700>] (direct_entry) from [<c07e184c>] (full_proxy_write+0x64/0x94)

 2122 18:44:43.140562  <0>[   80.476023]  r9:c5c2ff60 r8:c50fdd80 r7:0000000b r6:b6e13000 r5:c5a87b80 r4:c0c35700

 2123 18:44:43.147999  <0>[   80.484048] [<c07e17e8>] (full_proxy_write) from [<c059968c>] (vfs_write+0x10c/0x524)

 2124 18:44:43.156677  <0>[   80.492153]  r9:c07e17e8 r8:c5c2ff60 r7:c2815800 r6:b6e13000 r5:c5a87b80 r4:00000000

 2125 18:44:43.165138  <0>[   80.500170] [<c0599580>] (vfs_write) from [<c0599c20>] (ksys_write+0x74/0xec)

 2126 18:44:43.173702  <0>[   80.507579]  r10:00000004 r9:00000000 r8:00000000 r7:b6e13000 r6:c5c2e000 r5:c5a87b80

 2127 18:44:43.175199  <0>[   80.515677]  r4:c5a87b80

 2128 18:44:43.184537  <0>[   80.518484] [<c0599bac>] (ksys_write) from [<c0599cb0>] (sys_write+0x18/0x1c)

 2129 18:44:43.189604  <0>[   80.525893]  r9:c5c2e000 r8:c03002e4 r7:00000004 r6:b6f5ae00 r5:0000000b r4:0000000b

 2130 18:44:43.199693  <0>[   80.533914] [<c0599c98>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 2131 18:44:43.204773  <0>[   80.541753] Exception stack(0xc5c2ffa8 to 0xc5c2fff0)

 2132 18:44:43.212923  <0>[   80.547077] ffa0:                   0000000b 0000000b 00000001 b6e13000 0000000b 00000000

 2133 18:44:43.222161  <0>[   80.555527] ffc0: 0000000b 0000000b b6f5ae00 00000004 00000001 00000000 00020000 be86ba64

 2134 18:44:43.227090  <0>[   80.563973] ffe0: 00000004 be86b798 b6ec54cf b6e4b7e6

 2135 18:44:43.231995  <0>[   80.569298] Code: c5c2fe08 c135c720 c135c4e0 c5c2fe6c (e1a0c00d) 

 2136 18:44:43.236007  <4>[   80.575667] ---[ end trace 6556776c6b5d5062 ]---

 2137 18:44:43.241155  # Segmentation fault

 2138 18:44:43.331954  # [   80.119918] lkdtm: Performing direct entry EXEC_STACK

 2139 18:44:43.338892  # [   80.125735] lkdtm: attempting ok execution at c0c36090

 2140 18:44:43.341904  # [   80.133955] lkdtm: attempting bad execution at c5c2fe0c

 2141 18:44:43.344256  # [   80.142259] 8<--- cut here ---

 2142 18:44:43.351852  # [   80.148361] Unable to handle kernel paging request at virtual address c5c2fe0c

 2143 18:44:43.354908  # [   80.158099] pgd = 105efa03

 2144 18:44:43.359079  # [   80.163063] [c5c2fe0c] *pgd=15c1141e(bad)

 2145 18:44:43.365177  # [   80.170200] Internal error: Oops: 8000000d [#4] SMP ARM

 2146 18:44:43.394696  # [   80.178110] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3

 2147 18:44:43.402694  # [   80.209205] CPU: 3 PID: 1767 Comm: cat Tainted: G      D W         5.10.170-cip27 #1

 2148 18:44:43.409603  # [   80.217219] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 2149 18:44:43.413998  # [   80.224021] PC is at 0xc5c2fe0c

 2150 18:44:43.416254  # [   80.227448] LR is at execute_location+0xa4/0xb4

 2151 18:44:43.423090  # [   80.232249] pc : [<c5c2fe0c>]    lr : [<c135c578>]    psr: 600e0013

 2152 18:44:43.427275  # [   80.238784] sp : c5c2fde8  ip : c5c2fcf0  fp : c5c2fe04

 2153 18:44:43.433762  # [   80.244276] r10: 0000000b  r9 : c1acc8e8  r8 : c15e88e4

 2154 18:44:43.442170  # [   80.249769] r7 : c5c2ff60  r6 : 00000001  r5 : c5c2fe0c  r4 : c0c36090

 2155 18:44:43.447022  # [   80.256563] r3 : f678bafa  r2 : f678bafa  r1 : ef7c05e0  r0 : 0000002b

 2156 18:44:43.457369  # [   80.263362] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 2157 18:44:43.460305  # [   80.270767] Control: 10c5387d  Table: 15da004a  DAC: 00000051

 2158 18:44:43.465408  # [   80.276782] Process cat (pid: 1767, stack limit = 0xd76da7b3)

 2159 18:44:43.470097  # [   80.282799] Stack: (0xc5c2fde8 to 0xc5c30000)

 2160 18:44:43.478761  # [   80.287432] fde0:                   c5c2e000 c6b7c000 0000000b c5c2ff60 c5c2fe64 c5c2fe08

 2161 18:44:43.487379  # [   80.295884] fe00: c135c720 c135c4e0 c5c2fe6c e1a0c00d e92dd800 e24cb004 e52de004 e8bd4000

 2162 18:44:43.495029  # [   80.304334] fe20: e89da800 e1a0c00d e92dd830 e24cb004 e52de004 e8bd4000 e30d3374 e34c31b7

 2163 18:44:43.504827  # [   80.312784] fe40: e3a02040 e3a01d33 e5930018 f678bafa 0000000b 00000020 c5c2fe74 c5c2fe68

 2164 18:44:43.512978  # [   80.321235] fe60: c0c35320 c135c6f4 c5c2fe9c c5c2fe78 c0c35820 c0c35300 c0c35700 c5a87b80

 2165 18:44:43.520928  # [   80.329685] fe80: b6e13000 0000000b c50fdd80 c5c2ff60 c5c2fec4 c5c2fea0 c07e184c c0c3570c

 2166 18:44:43.529225  # [   80.338136] fea0: 00000000 c5a87b80 b6e13000 c2815800 c5c2ff60 c07e17e8 c5c2ff5c c5c2fec8

 2167 18:44:43.537524  # [   80.346587] fec0: c059968c c07e17f4 00000001 00000000 c0599c20 c1371d70 c0599c20 c5c2e000

 2168 18:44:43.545504  # [   80.355037] fee0: b6e13000 00020000 00000004 0000000b 0001fff5 c5c2fee0 00000001 b6e12000

 2169 18:44:43.553700  # [   80.363487] ff00: c5aba280 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 2170 18:44:43.561869  # [   80.371937] ff20: 00000000 00000000 c1371d70 f678bafa c205c880 c5a87b80 c5a87b80 c5c2e000

 2171 18:44:43.569914  # [   80.380387] ff40: b6e13000 00000000 00000000 00000004 c5c2ff94 c5c2ff60 c0599c20 c059958c

 2172 18:44:43.581063  # [   80.388838] ff60: 00000000 00000000 c5c2ffac f678bafa 0000000b 0000000b b6f5ae00 00000004

 2173 18:44:43.587906  # [   80.397288] ff80: c03002e4 c5c2e000 c5c2ffa4 c5c2ff98 c0599cb0 c0599bb8 00000000 c5c2ffa8

 2174 18:44:43.594893  # [   80.405738] ffa0: c03000c0 c0599ca4 0000000b 0000000b 00000001 b6e13000 0000000b 00000000

 2175 18:44:43.603829  # [   80.414187] ffc0: 0000000b 0000000b b6f5ae00 00000004 00000001 00000000 00020000 be86ba64

 2176 18:44:43.614258  # [   80.422636] ffe0: 00000004 be86b798 b6ec54cf b6e4b7e6 800e0030 00000001 00000000 00000000

 2177 18:44:43.614777  # [   80.431079] Backtrace: 

 2178 18:44:43.622795  # [   80.433814] [<c135c4d4>] (execute_location) from [<c135c720>] (lkdtm_EXEC_STACK+0x38/0x54)

 2179 18:44:43.628746  # [   80.442352]  r7:c5c2ff60 r6:0000000b r5:c6b7c000 r4:c5c2e000

 2180 18:44:43.636740  # [   80.448291] [<c135c6e8>] (lkdtm_EXEC_STACK) from [<c0c35320>] (lkdtm_do_action+0x2c/0x4c)

 2181 18:44:43.641475  # [   80.456737]  r4:00000020

 2182 18:44:43.647969  # [   80.459548] [<c0c352f4>] (lkdtm_do_action) from [<c0c35820>] (direct_entry+0x120/0x18c)

 2183 18:44:43.655999  # [   80.467831] [<c0c35700>] (direct_entry) from [<c07e184c>] (full_proxy_write+0x64/0x94)

 2184 18:44:43.664703  # [   80.476023]  r9:c5c2ff60 r8:c50fdd80 r7:0000000b r6:b6e13000 r5:c5a87b80 r4:c0c35700

 2185 18:44:43.675331  # [   80.484048] [<c07e17e8>] (full_proxy_write) from [<c059968c>] (vfs_write+0x10c/0x524)

 2186 18:44:43.681685  # [   80.492153]  r9:c07e17e8 r8:c5c2ff60 r7:c2815800 r6:b6e13000 r5:c5a87b80 r4:00000000

 2187 18:44:43.686769  # [   80.500170] [<c0599580>] (vfs_write) from [<c0599c20>] (ksys_write+0x74/0xec)

 2188 18:44:43.694701  # [   80.507579]  r10:00000004 r9:00000000 r8:00000000 r7:b6e13000 r6:c5c2e000 r5:c5a87b80

 2189 18:44:43.697674  # [   80.515677]  r4:c5a87b80

 2190 18:44:43.706795  # [   80.518484] [<c0599bac>] (ksys_write) from [<c0599cb0>] (sys_write+0x18/0x1c)

 2191 18:44:43.714989  # [   80.525893]  r9:c5c2e000 r8:c03002e4 r7:00000004 r6:b6f5ae00 r5:0000000b r4:0000000b

 2192 18:44:43.721362  # [   80.533914] [<c0599c98>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 2193 18:44:43.729008  # [   80.541753] Exception stack(0xc5c2ffa8 to 0xc5c2fff0)

 2194 18:44:43.733952  # [   80.547077] ffa0:                   0000000b 0000000b 00000001 b6e13000 0000000b 00000000

 2195 18:44:43.742808  # [   80.555527] ffc0: 0000000b 0000000b b6f5ae00 00000004 00000001 00000000 00020000 be86ba64

 2196 18:44:43.747856  # [   80.563973] ffe0: 00000004 be86b798 b6ec54cf b6e4b7e6

 2197 18:44:43.754590  # [   80.569298] Code: c5c2fe08 c135c720 c135c4e0 c5c2fe6c (e1a0c00d) 

 2198 18:44:43.759870  # [   80.575667] ---[ end trace 6556776c6b5d5062 ]---

 2199 18:44:43.762199  # EXEC_STACK: missing 'call trace:': [FAIL]

 2200 18:44:43.767454  not ok 31 selftests: lkdtm: EXEC_STACK.sh # exit=1

 2201 18:44:43.775148  # selftests: lkdtm: EXE<6>[   81.110410] lkdtm: Performing direct entry EXEC_KMALLOC

 2202 18:44:43.775591  C_KMALLOC.sh

 2203 18:44:43.783441  <6>[   81.118689] lkdtm: attempting ok execution at c0c36090

 2204 18:44:43.788782  <6>[   81.125238] lkdtm: attempting bad execution at c6c58740

 2205 18:44:43.791732  <1>[   81.130773] 8<--- cut here ---

 2206 18:44:43.799606  <1>[   81.134109] Unable to handle kernel paging request at virtual address c6c58740

 2207 18:44:43.801499  <1>[   81.141603] pgd = b792950b

 2208 18:44:43.805785  <1>[   81.144582] [c6c58740] *pgd=16c1141e(bad)

 2209 18:44:43.809875  <0>[   81.148882] Internal error: Oops: 8000000d [#5] SMP ARM

 2210 18:44:43.840051  <4>[   81.154378] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3

 2211 18:44:43.851914  <4>[   81.183714] CPU: 3 PID: 1846 Comm: cat Tainted: G      D W         5.10.170-cip27 #1

 2212 18:44:43.855276  <4>[   81.191726] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 2213 18:44:43.857810  <4>[   81.198527] PC is at 0xc6c58740

 2214 18:44:43.863135  <4>[   81.201952] LR is at execute_location+0xa4/0xb4

 2215 18:44:43.871673  <4>[   81.206754] pc : [<c6c58740>]    lr : [<c135c578>]    psr: 600e0013

 2216 18:44:43.874589  <4>[   81.213290] sp : c6a33e30  ip : 00000027  fp : c6a33e4c

 2217 18:44:43.880639  <4>[   81.218785] r10: 0000000d  r9 : c1acc8f4  r8 : c15e88e4

 2218 18:44:43.887136  <4>[   81.224278] r7 : c6a33f60  r6 : 00000001  r5 : c6c58740  r4 : c0c36090

 2219 18:44:43.894356  <4>[   81.231073] r3 : 69bb8a99  r2 : 69bb8a99  r1 : ef7c05e4  r0 : 0000002b

 2220 18:44:43.901500  <4>[   81.237871] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 2221 18:44:43.909246  <4>[   81.245276] Control: 10c5387d  Table: 146f004a  DAC: 00000051

 2222 18:44:43.913501  <0>[   81.251292] Process cat (pid: 1846, stack limit = 0x232c8df3)

 2223 18:44:43.917948  <0>[   81.257310] Stack: (0xc6a33e30 to 0xc6a34000)

 2224 18:44:43.927519  <0>[   81.261941] 3e20:                                     c6c58740 c6b62000 0000000d c6a33f60

 2225 18:44:43.934472  <0>[   81.270392] 3e40: c6a33e64 c6a33e50 c0c360e0 c135c4e0 00000021 c6b62000 c6a33e74 c6a33e68

 2226 18:44:43.944990  <0>[   81.278842] 3e60: c0c35320 c0c360b4 c6a33e9c c6a33e78 c0c35820 c0c35300 c0c35700 c47bab40

 2227 18:44:43.953167  <0>[   81.287292] 3e80: b6e6d000 0000000d c50fdd80 c6a33f60 c6a33ec4 c6a33ea0 c07e184c c0c3570c

 2228 18:44:43.961017  <0>[   81.295742] 3ea0: 00000000 c47bab40 b6e6d000 c2815800 c6a33f60 c07e17e8 c6a33f5c c6a33ec8

 2229 18:44:43.969011  <0>[   81.304193] 3ec0: c059968c c07e17f4 00000001 00000000 c0599c20 c1371d70 c0599c20 c6a32000

 2230 18:44:43.978005  <0>[   81.312644] 3ee0: b6e6d000 00020000 00000004 0000000d 0001fff3 c6a33ee0 00000001 b6e6c000

 2231 18:44:43.987552  <0>[   81.321096] 3f00: c5d5a000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 2232 18:44:43.996915  <0>[   81.329547] 3f20: 00000000 00000000 c1371d70 69bb8a99 c205c880 c47bab40 c47bab40 c6a32000

 2233 18:44:44.003053  <0>[   81.337997] 3f40: b6e6d000 00000000 00000000 00000004 c6a33f94 c6a33f60 c0599c20 c059958c

 2234 18:44:44.011531  <0>[   81.346446] 3f60: 00000000 00000000 c6a33fac 69bb8a99 0000000d 0000000d b6fb4e00 00000004

 2235 18:44:44.019838  <0>[   81.354896] 3f80: c03002e4 c6a32000 c6a33fa4 c6a33f98 c0599cb0 c0599bb8 00000000 c6a33fa8

 2236 18:44:44.027400  <0>[   81.363347] 3fa0: c03000c0 c0599ca4 0000000d 0000000d 00000001 b6e6d000 0000000d 00000000

 2237 18:44:44.036226  <0>[   81.371796] 3fc0: 0000000d 0000000d b6fb4e00 00000004 00000001 00000000 00020000 bed28a64

 2238 18:44:44.045685  <0>[   81.380244] 3fe0: 00000004 bed28798 b6f1f4cf b6ea57e6 800e0030 00000001 00000000 00000000

 2239 18:44:44.049159  <0>[   81.388688] Backtrace: 

 2240 18:44:44.056818  <0>[   81.391426] [<c135c4d4>] (execute_location) from [<c0c360e0>] (lkdtm_EXEC_KMALLOC+0x38/0x44)

 2241 18:44:44.062451  <0>[   81.400139]  r7:c6a33f60 r6:0000000d r5:c6b62000 r4:c6c58740

 2242 18:44:44.070654  <0>[   81.406075] [<c0c360a8>] (lkdtm_EXEC_KMALLOC) from [<c0c35320>] (lkdtm_do_action+0x2c/0x4c)

 2243 18:44:44.075761  <0>[   81.414696]  r5:c6b62000 r4:00000021

 2244 18:44:44.083022  <0>[   81.418546] [<c0c352f4>] (lkdtm_do_action) from [<c0c35820>] (direct_entry+0x120/0x18c)

 2245 18:44:44.091546  <0>[   81.426831] [<c0c35700>] (direct_entry) from [<c07e184c>] (full_proxy_write+0x64/0x94)

 2246 18:44:44.102042  <0>[   81.435023]  r9:c6a33f60 r8:c50fdd80 r7:0000000d r6:b6e6d000 r5:c47bab40 r4:c0c35700

 2247 18:44:44.110035  <0>[   81.443047] [<c07e17e8>] (full_proxy_write) from [<c059968c>] (vfs_write+0x10c/0x524)

 2248 18:44:44.117417  <0>[   81.451152]  r9:c07e17e8 r8:c6a33f60 r7:c2815800 r6:b6e6d000 r5:c47bab40 r4:00000000

 2249 18:44:44.122031  <0>[   81.459169] [<c0599580>] (vfs_write) from [<c0599c20>] (ksys_write+0x74/0xec)

 2250 18:44:44.132470  <0>[   81.466577]  r10:00000004 r9:00000000 r8:00000000 r7:b6e6d000 r6:c6a32000 r5:c47bab40

 2251 18:44:44.134021  <0>[   81.474673]  r4:c47bab40

 2252 18:44:44.142315  <0>[   81.477481] [<c0599bac>] (ksys_write) from [<c0599cb0>] (sys_write+0x18/0x1c)

 2253 18:44:44.149307  <0>[   81.484889]  r9:c6a32000 r8:c03002e4 r7:00000004 r6:b6fb4e00 r5:0000000d r4:0000000d

 2254 18:44:44.156315  <0>[   81.492910] [<c0599c98>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 2255 18:44:44.163076  <0>[   81.500748] Exception stack(0xc6a33fa8 to 0xc6a33ff0)

 2256 18:44:44.171252  <0>[   81.506072] 3fa0:                   0000000d 0000000d 00000001 b6e6d000 0000000d 00000000

 2257 18:44:44.182141  <0>[   81.514522] 3fc0: 0000000d 0000000d b6fb4e00 00000004 00000001 00000000 00020000 bed28a64

 2258 18:44:44.184993  <0>[   81.522968] 3fe0: 00000004 bed28798 b6f1f4cf b6ea57e6

 2259 18:44:44.191242  <0>[   81.528294] Code: 00000000 00000002 00000000 00000000 (e1a0c00d) 

 2260 18:44:44.195951  <4>[   81.534663] ---[ end trace 6556776c6b5d5063 ]---

 2261 18:44:44.199279  # Segmentation fault

 2262 18:44:44.330024  # [   81.110410] lkdtm: Performing direct entry EXEC_KMALLOC

 2263 18:44:44.337167  # [   81.118689] lkdtm: attempting ok execution at c0c36090

 2264 18:44:44.340820  # [   81.125238] lkdtm: attempting bad execution at c6c58740

 2265 18:44:44.346087  # [   81.130773] 8<--- cut here ---

 2266 18:44:44.349643  # [   81.134109] Unable to handle kernel paging request at virtual address c6c58740

 2267 18:44:44.352904  # [   81.141603] pgd = b792950b

 2268 18:44:44.358192  # [   81.144582] [c6c58740] *pgd=16c1141e(bad)

 2269 18:44:44.362700  # [   81.148882] Internal error: Oops: 8000000d [#5] SMP ARM

 2270 18:44:44.391193  # [   81.154378] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3

 2271 18:44:44.398670  # [   81.183714] CPU: 3 PID: 1846 Comm: cat Tainted: G      D W         5.10.170-cip27 #1

 2272 18:44:44.406405  # [   81.191726] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 2273 18:44:44.410181  # [   81.198527] PC is at 0xc6c58740

 2274 18:44:44.414427  # [   81.201952] LR is at execute_location+0xa4/0xb4

 2275 18:44:44.423538  # [   81.206754] pc : [<c6c58740>]    lr : [<c135c578>]    psr: 600e0013

 2276 18:44:44.425414  # [   81.213290] sp : c6a33e30  ip : 00000027  fp : c6a33e4c

 2277 18:44:44.431914  # [   81.218785] r10: 0000000d  r9 : c1acc8f4  r8 : c15e88e4

 2278 18:44:44.437292  # [   81.224278] r7 : c6a33f60  r6 : 00000001  r5 : c6c58740  r4 : c0c36090

 2279 18:44:44.443920  # [   81.231073] r3 : 69bb8a99  r2 : 69bb8a99  r1 : ef7c05e4  r0 : 0000002b

 2280 18:44:44.452914  # [   81.237871] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 2281 18:44:44.460929  # [   81.245276] Control: 10c5387d  Table: 146f004a  DAC: 00000051

 2282 18:44:44.468840  # [   81.251292] Process cat (pid: 1846, stack limit = 0x232c8df3)

 2283 18:44:44.469164  # [   81.257310] Stack: (0xc6a33e30 to 0xc6a34000)

 2284 18:44:44.476270  # [   81.261941] 3e20:                                     c6c58740 c6b62000 0000000d c6a33f60

 2285 18:44:44.483993  # [   81.270392] 3e40: c6a33e64 c6a33e50 c0c360e0 c135c4e0 00000021 c6b62000 c6a33e74 c6a33e68

 2286 18:44:44.494901  # [   81.278842] 3e60: c0c35320 c0c360b4 c6a33e9c c6a33e78 c0c35820 c0c35300 c0c35700 c47bab40

 2287 18:44:44.500949  # [   81.287292] 3e80: b6e6d000 0000000d c50fdd80 c6a33f60 c6a33ec4 c6a33ea0 c07e184c c0c3570c

 2288 18:44:44.512370  # [   81.295742] 3ea0: 00000000 c47bab40 b6e6d000 c2815800 c6a33f60 c07e17e8 c6a33f5c c6a33ec8

 2289 18:44:44.519089  # [   81.304193] 3ec0: c059968c c07e17f4 00000001 00000000 c0599c20 c1371d70 c0599c20 c6a32000

 2290 18:44:44.526853  # [   81.312644] 3ee0: b6e6d000 00020000 00000004 0000000d 0001fff3 c6a33ee0 00000001 b6e6c000

 2291 18:44:44.535670  # [   81.321096] 3f00: c5d5a000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 2292 18:44:44.544347  # [   81.329547] 3f20: 00000000 00000000 c1371d70 69bb8a99 c205c880 c47bab40 c47bab40 c6a32000

 2293 18:44:44.552328  # [   81.337997] 3f40: b6e6d000 00000000 00000000 00000004 c6a33f94 c6a33f60 c0599c20 c059958c

 2294 18:44:44.561479  # [   81.346446] 3f60: 00000000 00000000 c6a33fac 69bb8a99 0000000d 0000000d b6fb4e00 00000004

 2295 18:44:44.568067  # [   81.354896] 3f80: c03002e4 c6a32000 c6a33fa4 c6a33f98 c0599cb0 c0599bb8 00000000 c6a33fa8

 2296 18:44:44.577577  # [   81.363347] 3fa0: c03000c0 c0599ca4 0000000d 0000000d 00000001 b6e6d000 0000000d 00000000

 2297 18:44:44.584548  # [   81.371796] 3fc0: 0000000d 0000000d b6fb4e00 00000004 00000001 00000000 00020000 bed28a64

 2298 18:44:44.593017  # [   81.380244] 3fe0: 00000004 bed28798 b6f1f4cf b6ea57e6 800e0030 00000001 00000000 00000000

 2299 18:44:44.597662  # [   81.388688] Backtrace: 

 2300 18:44:44.604440  # [   81.391426] [<c135c4d4>] (execute_location) from [<c0c360e0>] (lkdtm_EXEC_KMALLOC+0x38/0x44)

 2301 18:44:44.611747  # [   81.400139]  r7:c6a33f60 r6:0000000d r5:c6b62000 r4:c6c58740

 2302 18:44:44.618738  # [   81.406075] [<c0c360a8>] (lkdtm_EXEC_KMALLOC) from [<c0c35320>] (lkdtm_do_action+0x2c/0x4c)

 2303 18:44:44.622721  # [   81.414696]  r5:c6b62000 r4:00000021

 2304 18:44:44.631116  # [   81.418546] [<c0c352f4>] (lkdtm_do_action) from [<c0c35820>] (direct_entry+0x120/0x18c)

 2305 18:44:44.639045  # [   81.426831] [<c0c35700>] (direct_entry) from [<c07e184c>] (full_proxy_write+0x64/0x94)

 2306 18:44:44.647364  # [   81.435023]  r9:c6a33f60 r8:c50fdd80 r7:0000000d r6:b6e6d000 r5:c47bab40 r4:c0c35700

 2307 18:44:44.655698  # [   81.443047] [<c07e17e8>] (full_proxy_write) from [<c059968c>] (vfs_write+0x10c/0x524)

 2308 18:44:44.662928  # [   81.451152]  r9:c07e17e8 r8:c6a33f60 r7:c2815800 r6:b6e6d000 r5:c47bab40 r4:00000000

 2309 18:44:44.669474  # [   81.459169] [<c0599580>] (vfs_write) from [<c0599c20>] (ksys_write+0x74/0xec)

 2310 18:44:44.678297  # [   81.466577]  r10:00000004 r9:00000000 r8:00000000 r7:b6e6d000 r6:c6a32000 r5:c47bab40

 2311 18:44:44.682132  # [   81.474673]  r4:c47bab40

 2312 18:44:44.687129  # [   81.477481] [<c0599bac>] (ksys_write) from [<c0599cb0>] (sys_write+0x18/0x1c)

 2313 18:44:44.695890  # [   81.484889]  r9:c6a32000 r8:c03002e4 r7:00000004 r6:b6fb4e00 r5:0000000d r4:0000000d

 2314 18:44:44.704682  # [   81.492910] [<c0599c98>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 2315 18:44:44.709345  # [   81.500748] Exception stack(0xc6a33fa8 to 0xc6a33ff0)

 2316 18:44:44.716906  # [   81.506072] 3fa0:                   0000000d 0000000d 00000001 b6e6d000 0000000d 00000000

 2317 18:44:44.725818  # [   81.514522] 3fc0: 0000000d 0000000d b6fb4e00 00000004 00000001 00000000 00020000 bed28a64

 2318 18:44:44.732334  # [   81.522968] 3fe0: 00000004 bed28798 b6f1f4cf b6ea57e6

 2319 18:44:44.737041  # [   81.528294] Code: 00000000 00000002 00000000 00000000 (e1a0c00d) 

 2320 18:44:44.741870  # [   81.534663] ---[ end trace 6556776c6b5d5063 ]---

 2321 18:44:44.746503  # EXEC_KMALLOC: missing 'call trace:': [FAIL]

 2322 18:44:44.751721  not ok 32 selftests: lkdtm: EXEC_KMALLOC.sh # exit=1

 2323 18:44:44.753266  # selftests: lkdtm: EXEC_VMALLOC.sh

 2324 18:44:44.763622  <6>[   82.101912] lkdtm: Performing direct entry EXEC_VMALLOC

 2325 18:44:44.770369  <6>[   82.107452] lkdtm: attempting ok execution at c0c36090

 2326 18:44:44.775439  <6>[   82.112949] lkdtm: attempting bad execution at f096c000

 2327 18:44:44.777402  <1>[   82.118461] 8<--- cut here ---

 2328 18:44:44.785148  <1>[   82.121848] Unable to handle kernel paging request at virtual address f096c000

 2329 18:44:44.789187  <1>[   82.130725] pgd = 105efa03

 2330 18:44:44.796355  <1>[   82.134317] [f096c000] *pgd=12949811, *pte=493ef65f, *ppte=493ef45f

 2331 18:44:44.802809  <0>[   82.140932] Internal error: Oops: 8000000f [#6] SMP ARM

 2332 18:44:44.832220  <4>[   82.146429] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3

 2333 18:44:44.841161  <4>[   82.175769] CPU: 0 PID: 1923 Comm: cat Tainted: G      D W         5.10.170-cip27 #1

 2334 18:44:44.847252  <4>[   82.183783] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 2335 18:44:44.850272  <4>[   82.190584] PC is at 0xf096c000

 2336 18:44:44.854425  <4>[   82.194010] LR is at execute_location+0xa4/0xb4

 2337 18:44:44.863183  <4>[   82.198811] pc : [<f096c000>]    lr : [<c135c578>]    psr: 600e0013

 2338 18:44:44.871054  <4>[   82.205348] sp : c47bfe30  ip : 00000027  fp : c47bfe4c

 2339 18:44:44.872110  <4>[   82.210843] r10: 0000000d  r9 : c1acc904  r8 : c15e88e4

 2340 18:44:44.879359  <4>[   82.216336] r7 : c47bff60  r6 : 00000001  r5 : f096c000  r4 : c0c36090

 2341 18:44:44.886262  <4>[   82.223133] r3 : f7b7d1e5  r2 : f7b7d1e5  r1 : ef7815e4  r0 : 0000002b

 2342 18:44:44.893787  <4>[   82.229931] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 2343 18:44:44.901270  <4>[   82.237337] Control: 10c5387d  Table: 15da004a  DAC: 00000051

 2344 18:44:44.905667  <0>[   82.243354] Process cat (pid: 1923, stack limit = 0xfde7674a)

 2345 18:44:44.910200  <0>[   82.249371] Stack: (0xc47bfe30 to 0xc47c0000)

 2346 18:44:44.918647  <0>[   82.254002] fe20:                                     f096c000 c6b7c000 0000000d c47bff60

 2347 18:44:44.927245  <0>[   82.262453] fe40: c47bfe64 c47bfe50 c0c36114 c135c4e0 00000022 c6b7c000 c47bfe74 c47bfe68

 2348 18:44:44.935383  <0>[   82.270905] fe60: c0c35320 c0c360f8 c47bfe9c c47bfe78 c0c35820 c0c35300 c0c35700 c5c4ef00

 2349 18:44:44.944127  <0>[   82.279356] fe80: b6dd6000 0000000d c50fdd80 c47bff60 c47bfec4 c47bfea0 c07e184c c0c3570c

 2350 18:44:44.953418  <0>[   82.287806] fea0: 00000000 c5c4ef00 b6dd6000 c2815800 c47bff60 c07e17e8 c47bff5c c47bfec8

 2351 18:44:44.962719  <0>[   82.296256] fec0: c059968c c07e17f4 00000001 00000000 c0599c20 c1371d70 c0599c20 c47be000

 2352 18:44:44.971276  <0>[   82.304707] fee0: b6dd6000 00020000 00000004 0000000d 0001fff3 c47bfee0 00000001 b6dd5000

 2353 18:44:44.977452  <0>[   82.313156] ff00: c5abb400 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 2354 18:44:44.986438  <0>[   82.321606] ff20: 00000000 00000000 c1371d70 f7b7d1e5 c205c880 c5c4ef00 c5c4ef00 c47be000

 2355 18:44:44.997332  <0>[   82.330056] ff40: b6dd6000 00000000 00000000 00000004 c47bff94 c47bff60 c0599c20 c059958c

 2356 18:44:45.002700  <0>[   82.338506] ff60: 00000000 00000000 c47bffac f7b7d1e5 0000000d 0000000d b6f1de00 00000004

 2357 18:44:45.013253  <0>[   82.346956] ff80: c03002e4 c47be000 c47bffa4 c47bff98 c0599cb0 c0599bb8 00000000 c47bffa8

 2358 18:44:45.022099  <0>[   82.355409] ffa0: c03000c0 c0599ca4 0000000d 0000000d 00000001 b6dd6000 0000000d 00000000

 2359 18:44:45.029565  <0>[   82.363861] ffc0: 0000000d 0000000d b6f1de00 00000004 00000001 00000000 00020000 bef8ba64

 2360 18:44:45.039621  <0>[   82.372310] ffe0: 00000004 bef8b798 b6e884cf b6e0e7e6 800e0030 00000001 00000000 00000000

 2361 18:44:45.040693  <0>[   82.380752] Backtrace: 

 2362 18:44:45.049220  <0>[   82.383492] [<c135c4d4>] (execute_location) from [<c0c36114>] (lkdtm_EXEC_VMALLOC+0x28/0x34)

 2363 18:44:45.055232  <0>[   82.392203]  r7:c47bff60 r6:0000000d r5:c6b7c000 r4:f096c000

 2364 18:44:45.063675  <0>[   82.398138] [<c0c360ec>] (lkdtm_EXEC_VMALLOC) from [<c0c35320>] (lkdtm_do_action+0x2c/0x4c)

 2365 18:44:45.066305  <0>[   82.406760]  r5:c6b7c000 r4:00000022

 2366 18:44:45.076111  <0>[   82.410612] [<c0c352f4>] (lkdtm_do_action) from [<c0c35820>] (direct_entry+0x120/0x18c)

 2367 18:44:45.085113  <0>[   82.418894] [<c0c35700>] (direct_entry) from [<c07e184c>] (full_proxy_write+0x64/0x94)

 2368 18:44:45.091254  <0>[   82.427085]  r9:c47bff60 r8:c50fdd80 r7:0000000d r6:b6dd6000 r5:c5c4ef00 r4:c0c35700

 2369 18:44:45.101543  <0>[   82.435108] [<c07e17e8>] (full_proxy_write) from [<c059968c>] (vfs_write+0x10c/0x524)

 2370 18:44:45.109473  <0>[   82.443211]  r9:c07e17e8 r8:c47bff60 r7:c2815800 r6:b6dd6000 r5:c5c4ef00 r4:00000000

 2371 18:44:45.115399  <0>[   82.451228] [<c0599580>] (vfs_write) from [<c0599c20>] (ksys_write+0x74/0xec)

 2372 18:44:45.122654  <0>[   82.458636]  r10:00000004 r9:00000000 r8:00000000 r7:b6dd6000 r6:c47be000 r5:c5c4ef00

 2373 18:44:45.128158  <0>[   82.466732]  r4:c5c4ef00

 2374 18:44:45.134251  <0>[   82.469541] [<c0599bac>] (ksys_write) from [<c0599cb0>] (sys_write+0x18/0x1c)

 2375 18:44:45.140883  <0>[   82.476948]  r9:c47be000 r8:c03002e4 r7:00000004 r6:b6f1de00 r5:0000000d r4:0000000d

 2376 18:44:45.149098  <0>[   82.484968] [<c0599c98>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 2377 18:44:45.153746  <0>[   82.492806] Exception stack(0xc47bffa8 to 0xc47bfff0)

 2378 18:44:45.162229  <0>[   82.498130] ffa0:                   0000000d 0000000d 00000001 b6dd6000 0000000d 00000000

 2379 18:44:45.171340  <0>[   82.506581] ffc0: 0000000d 0000000d b6f1de00 00000004 00000001 00000000 00020000 bef8ba64

 2380 18:44:45.178284  <0>[   82.515027] ffe0: 00000004 bef8b798 b6e884cf b6e0e7e6

 2381 18:44:45.180431  <0>[   82.520357] Code: bad PC value

 2382 18:44:45.184924  <4>[   82.523738] ---[ end trace 6556776c6b5d5064 ]---

 2383 18:44:45.188171  # Segmentation fault

 2384 18:44:45.313300  # [   82.101912] lkdtm: Performing direct entry EXEC_VMALLOC

 2385 18:44:45.317914  # [   82.107452] lkdtm: attempting ok execution at c0c36090

 2386 18:44:45.326303  # [   82.112949] lkdtm: attempting bad execution at f096c000

 2387 18:44:45.327555  # [   82.118461] 8<--- cut here ---

 2388 18:44:45.334477  # [   82.121848] Unable to handle kernel paging request at virtual address f096c000

 2389 18:44:45.337106  # [   82.130725] pgd = 105efa03

 2390 18:44:45.344541  # [   82.134317] [f096c000] *pgd=12949811, *pte=493ef65f, *ppte=493ef45f

 2391 18:44:45.351843  # [   82.140932] Internal error: Oops: 8000000f [#6] SMP ARM

 2392 18:44:45.377019  # [   82.146429] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3

 2393 18:44:45.385632  # [   82.175769] CPU: 0 PID: 1923 Comm: cat Tainted: G      D W         5.10.170-cip27 #1

 2394 18:44:45.395295  # [   82.183783] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 2395 18:44:45.397930  # [   82.190584] PC is at 0xf096c000

 2396 18:44:45.401015  # [   82.194010] LR is at execute_location+0xa4/0xb4

 2397 18:44:45.407969  # [   82.198811] pc : [<f096c000>]    lr : [<c135c578>]    psr: 600e0013

 2398 18:44:45.411489  # [   82.205348] sp : c47bfe30  ip : 00000027  fp : c47bfe4c

 2399 18:44:45.419483  # [   82.210843] r10: 0000000d  r9 : c1acc904  r8 : c15e88e4

 2400 18:44:45.426305  # [   82.216336] r7 : c47bff60  r6 : 00000001  r5 : f096c000  r4 : c0c36090

 2401 18:44:45.431365  # [   82.223133] r3 : f7b7d1e5  r2 : f7b7d1e5  r1 : ef7815e4  r0 : 0000002b

 2402 18:44:45.438375  # [   82.229931] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 2403 18:44:45.444312  # [   82.237337] Control: 10c5387d  Table: 15da004a  DAC: 00000051

 2404 18:44:45.451724  # [   82.243354] Process cat (pid: 1923, stack limit = 0xfde7674a)

 2405 18:44:45.455347  # [   82.249371] Stack: (0xc47bfe30 to 0xc47c0000)

 2406 18:44:45.465482  # [   82.254002] fe20:                                     f096c000 c6b7c000 0000000d c47bff60

 2407 18:44:45.471759  # [   82.262453] fe40: c47bfe64 c47bfe50 c0c36114 c135c4e0 00000022 c6b7c000 c47bfe74 c47bfe68

 2408 18:44:45.479936  # [   82.270905] fe60: c0c35320 c0c360f8 c47bfe9c c47bfe78 c0c35820 c0c35300 c0c35700 c5c4ef00

 2409 18:44:45.489878  # [   82.279356] fe80: b6dd6000 0000000d c50fdd80 c47bff60 c47bfec4 c47bfea0 c07e184c c0c3570c

 2410 18:44:45.497083  # [   82.287806] fea0: 00000000 c5c4ef00 b6dd6000 c2815800 c47bff60 c07e17e8 c47bff5c c47bfec8

 2411 18:44:45.504665  # [   82.296256] fec0: c059968c c07e17f4 00000001 00000000 c0599c20 c1371d70 c0599c20 c47be000

 2412 18:44:45.514260  # [   82.304707] fee0: b6dd6000 00020000 00000004 0000000d 0001fff3 c47bfee0 00000001 b6dd5000

 2413 18:44:45.522831  # [   82.313156] ff00: c5abb400 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 2414 18:44:45.531321  # [   82.321606] ff20: 00000000 00000000 c1371d70 f7b7d1e5 c205c880 c5c4ef00 c5c4ef00 c47be000

 2415 18:44:45.539622  # [   82.330056] ff40: b6dd6000 00000000 00000000 00000004 c47bff94 c47bff60 c0599c20 c059958c

 2416 18:44:45.548286  # [   82.338506] ff60: 00000000 00000000 c47bffac f7b7d1e5 0000000d 0000000d b6f1de00 00000004

 2417 18:44:45.554286  # [   82.346956] ff80: c03002e4 c47be000 c47bffa4 c47bff98 c0599cb0 c0599bb8 00000000 c47bffa8

 2418 18:44:45.565143  # [   82.355409] ffa0: c03000c0 c0599ca4 0000000d 0000000d 00000001 b6dd6000 0000000d 00000000

 2419 18:44:45.571056  # [   82.363861] ffc0: 0000000d 0000000d b6f1de00 00000004 00000001 00000000 00020000 bef8ba64

 2420 18:44:45.579501  # [   82.372310] ffe0: 00000004 bef8b798 b6e884cf b6e0e7e6 800e0030 00000001 00000000 00000000

 2421 18:44:45.581592  # [   82.380752] Backtrace: 

 2422 18:44:45.591183  # [   82.383492] [<c135c4d4>] (execute_location) from [<c0c36114>] (lkdtm_EXEC_VMALLOC+0x28/0x34)

 2423 18:44:45.596560  # [   82.392203]  r7:c47bff60 r6:0000000d r5:c6b7c000 r4:f096c000

 2424 18:44:45.607430  # [   82.398138] [<c0c360ec>] (lkdtm_EXEC_VMALLOC) from [<c0c35320>] (lkdtm_do_action+0x2c/0x4c)

 2425 18:44:45.610704  # [   82.406760]  r5:c6b7c000 r4:00000022

 2426 18:44:45.617197  # [   82.410612] [<c0c352f4>] (lkdtm_do_action) from [<c0c35820>] (direct_entry+0x120/0x18c)

 2427 18:44:45.624579  # [   82.418894] [<c0c35700>] (direct_entry) from [<c07e184c>] (full_proxy_write+0x64/0x94)

 2428 18:44:45.633082  # [   82.427085]  r9:c47bff60 r8:c50fdd80 r7:0000000d r6:b6dd6000 r5:c5c4ef00 r4:c0c35700

 2429 18:44:45.642023  # [   82.435108] [<c07e17e8>] (full_proxy_write) from [<c059968c>] (vfs_write+0x10c/0x524)

 2430 18:44:45.648813  # [   82.443211]  r9:c07e17e8 r8:c47bff60 r7:c2815800 r6:b6dd6000 r5:c5c4ef00 r4:00000000

 2431 18:44:45.656437  # [   82.451228] [<c0599580>] (vfs_write) from [<c0599c20>] (ksys_write+0x74/0xec)

 2432 18:44:45.665301  # [   82.458636]  r10:00000004 r9:00000000 r8:00000000 r7:b6dd6000 r6:c47be000 r5:c5c4ef00

 2433 18:44:45.670685  # [   82.466732]  r4:c5c4ef00

 2434 18:44:45.675108  # [   82.469541] [<c0599bac>] (ksys_write) from [<c0599cb0>] (sys_write+0x18/0x1c)

 2435 18:44:45.682743  # [   82.476948]  r9:c47be000 r8:c03002e4 r7:00000004 r6:b6f1de00 r5:0000000d r4:0000000d

 2436 18:44:45.690268  # [   82.484968] [<c0599c98>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 2437 18:44:45.695992  # [   82.492806] Exception stack(0xc47bffa8 to 0xc47bfff0)

 2438 18:44:45.705346  # [   82.498130] ffa0:                   0000000d 0000000d 00000001 b6dd6000 0000000d 00000000

 2439 18:44:45.711470  # [   82.506581] ffc0: 0000000d 0000000d b6f1de00 00000004 00000001 00000000 00020000 bef8ba64

 2440 18:44:45.718130  # [   82.515027] ffe0: 00000004 bef8b798 b6e884cf b6e0e7e6

 2441 18:44:45.720572  # [   82.520357] Code: bad PC value

 2442 18:44:45.725194  # [   82.523738] ---[ end trace 6556776c6b5d5064 ]---

 2443 18:44:45.728399  # EXEC_VMALLOC: missing 'call trace:': [FAIL]

 2444 18:44:45.733356  not ok 33 selftests: lkdtm: EXEC_VMALLOC.sh # exit=1

 2445 18:44:45.736009  # selftests: lkdtm: EXEC_RODATA.sh

 2446 18:44:45.756324  <6>[   83.095215] lkdtm: Performing direct entry EXEC_RODATA

 2447 18:44:45.762391  <6>[   83.100672] lkdtm: attempting ok execution at c0c36090

 2448 18:44:45.767237  <6>[   83.106248] lkdtm: attempting bad execution at c15e8b80

 2449 18:44:45.772340  <1>[   83.111885] 8<--- cut here ---

 2450 18:44:45.779319  <1>[   83.115221] Unable to handle kernel paging request at virtual address c15e8b80

 2451 18:44:45.781300  <1>[   83.122715] pgd = 60a0c636

 2452 18:44:45.786854  <1>[   83.125692] [c15e8b80] *pgd=1141941e(bad)

 2453 18:44:45.791184  <0>[   83.129993] Internal error: Oops: 8000000d [#7] SMP ARM

 2454 18:44:45.821664  <4>[   83.135488] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3

 2455 18:44:45.829241  <4>[   83.164826] CPU: 3 PID: 2000 Comm: cat Tainted: G      D W         5.10.170-cip27 #1

 2456 18:44:45.836337  <4>[   83.172837] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 2457 18:44:45.840637  <4>[   83.179645] PC is at lkdtm_rodata_do_nothing+0x0/0x10

 2458 18:44:45.849646  <4>[   83.184975] LR is at execute_location+0xa4/0xb4

 2459 18:44:45.855806  <4>[   83.189775] pc : [<c15e8b80>]    lr : [<c135c578>]    psr: 600e0013

 2460 18:44:45.857831  <4>[   83.196311] sp : c69a1e38  ip : c69a1d40  fp : c69a1e54

 2461 18:44:45.863512  <4>[   83.201806] r10: 0000000c  r9 : c1acc914  r8 : c15e88e4

 2462 18:44:45.871000  <4>[   83.207299] r7 : c69a1f60  r6 : 00000000  r5 : c15e8b80  r4 : c0c36090

 2463 18:44:45.877696  <4>[   83.214095] r3 : 2574ce76  r2 : 2574ce76  r1 : ef7c05e0  r0 : 0000002b

 2464 18:44:45.885610  <4>[   83.220893] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 2465 18:44:45.892482  <4>[   83.228296] Control: 10c5387d  Table: 16ef804a  DAC: 00000051

 2466 18:44:45.898233  <0>[   83.234311] Process cat (pid: 2000, stack limit = 0xd5788238)

 2467 18:44:45.901530  <0>[   83.240326] Stack: (0xc69a1e38 to 0xc69a2000)

 2468 18:44:45.910060  <0>[   83.244956] 1e20:                                                       00000023 c6b79000

 2469 18:44:45.917474  <0>[   83.253409] 1e40: 0000000c c69a1f60 c69a1e64 c69a1e58 c135c760 c135c4e0 c69a1e74 c69a1e68

 2470 18:44:45.926844  <0>[   83.261859] 1e60: c0c35320 c135c748 c69a1e9c c69a1e78 c0c35820 c0c35300 c0c35700 c47ba500

 2471 18:44:45.935311  <0>[   83.270310] 1e80: b6e4f000 0000000c c50fdd80 c69a1f60 c69a1ec4 c69a1ea0 c07e184c c0c3570c

 2472 18:44:45.946254  <0>[   83.278760] 1ea0: 00000000 c47ba500 b6e4f000 c2815800 c69a1f60 c07e17e8 c69a1f5c c69a1ec8

 2473 18:44:45.951301  <0>[   83.287210] 1ec0: c059968c c07e17f4 00000001 00000000 c0599c20 c1371d70 c0599c20 c69a0000

 2474 18:44:45.961357  <0>[   83.295659] 1ee0: b6e4f000 00020000 00000004 0000000c 0001fff4 c69a1ee0 00000001 b6e4e000

 2475 18:44:45.969324  <0>[   83.304108] 1f00: c6abeb40 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 2476 18:44:45.977631  <0>[   83.312559] 1f20: 00000000 00000000 c1371d70 2574ce76 c205c880 c47ba500 c47ba500 c69a0000

 2477 18:44:45.986465  <0>[   83.321011] 1f40: b6e4f000 00000000 00000000 00000004 c69a1f94 c69a1f60 c0599c20 c059958c

 2478 18:44:45.994391  <0>[   83.329461] 1f60: 00000000 00000000 c69a1fac 2574ce76 0000000c 0000000c b6f96e00 00000004

 2479 18:44:46.005342  <0>[   83.337913] 1f80: c03002e4 c69a0000 c69a1fa4 c69a1f98 c0599cb0 c0599bb8 00000000 c69a1fa8

 2480 18:44:46.011657  <0>[   83.346364] 1fa0: c03000c0 c0599ca4 0000000c 0000000c 00000001 b6e4f000 0000000c 00000000

 2481 18:44:46.018904  <0>[   83.354814] 1fc0: 0000000c 0000000c b6f96e00 00000004 00000001 00000000 00020000 be823a64

 2482 18:44:46.028256  <0>[   83.363265] 1fe0: 00000004 be823798 b6f014cf b6e877e6 800e0030 00000001 00000000 00000000

 2483 18:44:46.031126  <0>[   83.371707] Backtrace: 

 2484 18:44:46.039904  <0>[   83.374443] [<c135c4d4>] (execute_location) from [<c135c760>] (lkdtm_EXEC_RODATA+0x24/0x28)

 2485 18:44:46.046855  <0>[   83.383068]  r7:c69a1f60 r6:0000000c r5:c6b79000 r4:00000023

 2486 18:44:46.054387  <0>[   83.389008] [<c135c73c>] (lkdtm_EXEC_RODATA) from [<c0c35320>] (lkdtm_do_action+0x2c/0x4c)

 2487 18:44:46.062197  <0>[   83.397547] [<c0c352f4>] (lkdtm_do_action) from [<c0c35820>] (direct_entry+0x120/0x18c)

 2488 18:44:46.069847  <0>[   83.405830] [<c0c35700>] (direct_entry) from [<c07e184c>] (full_proxy_write+0x64/0x94)

 2489 18:44:46.079945  <0>[   83.414022]  r9:c69a1f60 r8:c50fdd80 r7:0000000c r6:b6e4f000 r5:c47ba500 r4:c0c35700

 2490 18:44:46.088105  <0>[   83.422046] [<c07e17e8>] (full_proxy_write) from [<c059968c>] (vfs_write+0x10c/0x524)

 2491 18:44:46.094788  <0>[   83.430149]  r9:c07e17e8 r8:c69a1f60 r7:c2815800 r6:b6e4f000 r5:c47ba500 r4:00000000

 2492 18:44:46.101258  <0>[   83.438165] [<c0599580>] (vfs_write) from [<c0599c20>] (ksys_write+0x74/0xec)

 2493 18:44:46.109837  <0>[   83.445574]  r10:00000004 r9:00000000 r8:00000000 r7:b6e4f000 r6:c69a0000 r5:c47ba500

 2494 18:44:46.113454  <0>[   83.453671]  r4:c47ba500

 2495 18:44:46.119469  <0>[   83.456479] [<c0599bac>] (ksys_write) from [<c0599cb0>] (sys_write+0x18/0x1c)

 2496 18:44:46.128221  <0>[   83.463888]  r9:c69a0000 r8:c03002e4 r7:00000004 r6:b6f96e00 r5:0000000c r4:0000000c

 2497 18:44:46.137358  <0>[   83.471909] [<c0599c98>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 2498 18:44:46.141757  <0>[   83.479748] Exception stack(0xc69a1fa8 to 0xc69a1ff0)

 2499 18:44:46.151565  <0>[   83.485073] 1fa0:                   0000000c 0000000c 00000001 b6e4f000 0000000c 00000000

 2500 18:44:46.159063  <0>[   83.493523] 1fc0: 0000000c 0000000c b6f96e00 00000004 00000001 00000000 00020000 be823a64

 2501 18:44:46.164246  <0>[   83.501973] 1fe0: 00000004 be823798 b6f014cf b6e877e6

 2502 18:44:46.169704  <0>[   83.507299] Code: 5f727563 6e756f63 00000074 aa55aa55 (e1a0c00d) 

 2503 18:44:46.174272  <4>[   83.513668] ---[ end trace 6556776c6b5d5065 ]---

 2504 18:44:46.178218  # Segmentation fault

 2505 18:44:46.294452  # [   83.095215] lkdtm: Performing direct entry EXEC_RODATA

 2506 18:44:46.299651  # [   83.100672] lkdtm: attempting ok execution at c0c36090

 2507 18:44:46.304778  # [   83.106248] lkdtm: attempting bad execution at c15e8b80

 2508 18:44:46.309139  # [   83.111885] 8<--- cut here ---

 2509 18:44:46.314384  # [   83.115221] Unable to handle kernel paging request at virtual address c15e8b80

 2510 18:44:46.317427  # [   83.122715] pgd = 60a0c636

 2511 18:44:46.324252  # [   83.125692] [c15e8b80] *pgd=1141941e(bad)

 2512 18:44:46.327591  # [   83.129993] Internal error: Oops: 8000000d [#7] SMP ARM

 2513 18:44:46.356117  # [   83.135488] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3

 2514 18:44:46.364210  # [   83.164826] CPU: 3 PID: 2000 Comm: cat Tainted: G      D W         5.10.170-cip27 #1

 2515 18:44:46.371852  # [   83.172837] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 2516 18:44:46.377278  # [   83.179645] PC is at lkdtm_rodata_do_nothing+0x0/0x10

 2517 18:44:46.381118  # [   83.184975] LR is at execute_location+0xa4/0xb4

 2518 18:44:46.388523  # [   83.189775] pc : [<c15e8b80>]    lr : [<c135c578>]    psr: 600e0013

 2519 18:44:46.393170  # [   83.196311] sp : c69a1e38  ip : c69a1d40  fp : c69a1e54

 2520 18:44:46.401469  # [   83.201806] r10: 0000000c  r9 : c1acc914  r8 : c15e88e4

 2521 18:44:46.403985  # [   83.207299] r7 : c69a1f60  r6 : 00000000  r5 : c15e8b80  r4 : c0c36090

 2522 18:44:46.413776  # [   83.214095] r3 : 2574ce76  r2 : 2574ce76  r1 : ef7c05e0  r0 : 0000002b

 2523 18:44:46.420737  # [   83.220893] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 2524 18:44:46.425384  # [   83.228296] Control: 10c5387d  Table: 16ef804a  DAC: 00000051

 2525 18:44:46.430147  # [   83.234311] Process cat (pid: 2000, stack limit = 0xd5788238)

 2526 18:44:46.437117  # [   83.240326] Stack: (0xc69a1e38 to 0xc69a2000)

 2527 18:44:46.444222  # [   83.244956] 1e20:                                                       00000023 c6b79000

 2528 18:44:46.452529  # [   83.253409] 1e40: 0000000c c69a1f60 c69a1e64 c69a1e58 c135c760 c135c4e0 c69a1e74 c69a1e68

 2529 18:44:46.462068  # [   83.261859] 1e60: c0c35320 c135c748 c69a1e9c c69a1e78 c0c35820 c0c35300 c0c35700 c47ba500

 2530 18:44:46.468633  # [   83.270310] 1e80: b6e4f000 0000000c c50fdd80 c69a1f60 c69a1ec4 c69a1ea0 c07e184c c0c3570c

 2531 18:44:46.477108  # [   83.278760] 1ea0: 00000000 c47ba500 b6e4f000 c2815800 c69a1f60 c07e17e8 c69a1f5c c69a1ec8

 2532 18:44:46.485828  # [   83.287210] 1ec0: c059968c c07e17f4 00000001 00000000 c0599c20 c1371d70 c0599c20 c69a0000

 2533 18:44:46.493362  # [   83.295659] 1ee0: b6e4f000 00020000 00000004 0000000c 0001fff4 c69a1ee0 00000001 b6e4e000

 2534 18:44:46.502772  # [   83.304108] 1f00: c6abeb40 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 2535 18:44:46.509462  # [   83.312559] 1f20: 00000000 00000000 c1371d70 2574ce76 c205c880 c47ba500 c47ba500 c69a0000

 2536 18:44:46.519144  # [   83.321011] 1f40: b6e4f000 00000000 00000000 00000004 c69a1f94 c69a1f60 c0599c20 c059958c

 2537 18:44:46.528441  # [   83.329461] 1f60: 00000000 00000000 c69a1fac 2574ce76 0000000c 0000000c b6f96e00 00000004

 2538 18:44:46.536541  # [   83.337913] 1f80: c03002e4 c69a0000 c69a1fa4 c69a1f98 c0599cb0 c0599bb8 00000000 c69a1fa8

 2539 18:44:46.542964  # [   83.346364] 1fa0: c03000c0 c0599ca4 0000000c 0000000c 00000001 b6e4f000 0000000c 00000000

 2540 18:44:46.552737  # [   83.354814] 1fc0: 0000000c 0000000c b6f96e00 00000004 00000001 00000000 00020000 be823a64

 2541 18:44:46.562625  # [   83.363265] 1fe0: 00000004 be823798 b6f014cf b6e877e6 800e0030 00000001 00000000 00000000

 2542 18:44:46.563679  # [   83.371707] Backtrace: 

 2543 18:44:46.570406  # [   83.374443] [<c135c4d4>] (execute_location) from [<c135c760>] (lkdtm_EXEC_RODATA+0x24/0x28)

 2544 18:44:46.576583  # [   83.383068]  r7:c69a1f60 r6:0000000c r5:c6b79000 r4:00000023

 2545 18:44:46.587816  # [   83.389008] [<c135c73c>] (lkdtm_EXEC_RODATA) from [<c0c35320>] (lkdtm_do_action+0x2c/0x4c)

 2546 18:44:46.593453  # [   83.397547] [<c0c352f4>] (lkdtm_do_action) from [<c0c35820>] (direct_entry+0x120/0x18c)

 2547 18:44:46.601826  # [   83.405830] [<c0c35700>] (direct_entry) from [<c07e184c>] (full_proxy_write+0x64/0x94)

 2548 18:44:46.611048  # [   83.414022]  r9:c69a1f60 r8:c50fdd80 r7:0000000c r6:b6e4f000 r5:c47ba500 r4:c0c35700

 2549 18:44:46.619256  # [   83.422046] [<c07e17e8>] (full_proxy_write) from [<c059968c>] (vfs_write+0x10c/0x524)

 2550 18:44:46.626220  # [   83.430149]  r9:c07e17e8 r8:c69a1f60 r7:c2815800 r6:b6e4f000 r5:c47ba500 r4:00000000

 2551 18:44:46.632709  # [   83.438165] [<c0599580>] (vfs_write) from [<c0599c20>] (ksys_write+0x74/0xec)

 2552 18:44:46.640587  # [   83.445574]  r10:00000004 r9:00000000 r8:00000000 r7:b6e4f000 r6:c69a0000 r5:c47ba500

 2553 18:44:46.645002  # [   83.453671]  r4:c47ba500

 2554 18:44:46.654876  # [   83.456479] [<c0599bac>] (ksys_write) from [<c0599cb0>] (sys_write+0x18/0x1c)

 2555 18:44:46.658506  # [   83.463888]  r9:c69a0000 r8:c03002e4 r7:00000004 r6:b6f96e00 r5:0000000c r4:0000000c

 2556 18:44:46.666517  # [   83.471909] [<c0599c98>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 2557 18:44:46.671469  # [   83.479748] Exception stack(0xc69a1fa8 to 0xc69a1ff0)

 2558 18:44:46.682249  # [   83.485073] 1fa0:                   0000000c 0000000c 00000001 b6e4f000 0000000c 00000000

 2559 18:44:46.690476  # [   83.493523] 1fc0: 0000000c 0000000c b6f96e00 00000004 00000001 00000000 00020000 be823a64

 2560 18:44:46.696149  # [   83.501973] 1fe0: 00000004 be823798 b6f014cf b6e877e6

 2561 18:44:46.701517  # [   83.507299] Code: 5f727563 6e756f63 00000074 aa55aa55 (e1a0c00d) 

 2562 18:44:46.705181  # [   83.513668] ---[ end trace 6556776c6b5d5065 ]---

 2563 18:44:46.708351  # EXEC_RODATA: missing 'call trace:': [FAIL]

 2564 18:44:46.715442  not ok 34 selftests: lkdtm: EXEC_RODATA.sh # exit=1

 2565 18:44:46.723341  # selftests: lkdtm: EXEC_USERSPACE.<6>[   84.059594] lkdtm: Performing direct entry EXEC_USERSPACE

 2566 18:44:46.723822  sh

 2567 18:44:46.726965  <6>[   84.065629] lkdtm: attempting ok execution at c0c36090

 2568 18:44:46.733847  <6>[   84.071432] lkdtm: attempting bad execution at b6f80000

 2569 18:44:46.741399  <1>[   84.076938] Unhandled prefetch abort: page domain fault (0x00b) at 0xb6f80000

 2570 18:44:46.745255  <0>[   84.084350] Internal error: : b [#8] SMP ARM

 2571 18:44:46.776035  <4>[   84.088892] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3

 2572 18:44:46.782500  <4>[   84.118233] CPU: 0 PID: 2076 Comm: cat Tainted: G      D W         5.10.170-cip27 #1

 2573 18:44:46.790495  <4>[   84.126245] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 2574 18:44:46.794754  <4>[   84.133046] PC is at 0xb6f80000

 2575 18:44:46.798610  <4>[   84.136465] LR is at lkdtm_EXEC_USERSPACE+0xc4/0xd4

 2576 18:44:46.805243  <4>[   84.141614] pc : [<b6f80000>]    lr : [<c0c361e4>]    psr: 600e0013

 2577 18:44:46.809694  <4>[   84.148149] sp : c5aa7e48  ip : 00000027  fp : c5aa7e64

 2578 18:44:46.817630  <4>[   84.153643] r10: 0000000f  r9 : c1acc920  r8 : c15e88e4

 2579 18:44:46.822901  <4>[   84.159137] r7 : c5aa7f60  r6 : 0000000f  r5 : c5b63000  r4 : b6f80000

 2580 18:44:46.829635  <4>[   84.165933] r3 : e2acaff4  r2 : e2acaff4  r1 : ef7815e4  r0 : 0000002b

 2581 18:44:46.836644  <4>[   84.172732] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 2582 18:44:46.841617  <4>[   84.180137] Control: 10c5387d  Table: 16f6c04a  DAC: 00000051

 2583 18:44:46.849304  <0>[   84.186153] Process cat (pid: 2076, stack limit = 0xe6cda620)

 2584 18:44:46.853282  <0>[   84.192169] Stack: (0xc5aa7e48 to 0xc5aa8000)

 2585 18:44:46.862128  <0>[   84.196801] 7e40:                   00000001 00000000 0000000f 00000024 c5aa7e74 c5aa7e68

 2586 18:44:46.870527  <0>[   84.205251] 7e60: c0c35320 c0c3612c c5aa7e9c c5aa7e78 c0c35820 c0c35300 c0c35700 c5abb680

 2587 18:44:46.878687  <0>[   84.213702] 7e80: b6e3a000 0000000f c50fdd80 c5aa7f60 c5aa7ec4 c5aa7ea0 c07e184c c0c3570c

 2588 18:44:46.888185  <0>[   84.222153] 7ea0: 00000000 c5abb680 b6e3a000 c2815800 c5aa7f60 c07e17e8 c5aa7f5c c5aa7ec8

 2589 18:44:46.894790  <0>[   84.230603] 7ec0: c059968c c07e17f4 00000001 00000000 c0599c20 c1371d70 c0599c20 c5aa6000

 2590 18:44:46.907017  <0>[   84.239054] 7ee0: b6e3a000 00020000 00000004 0000000f 0001fff1 c5aa7ee0 00000001 b6e39000

 2591 18:44:46.912520  <0>[   84.247502] 7f00: c5a86b40 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 2592 18:44:46.921468  <0>[   84.255952] 7f20: 00000000 00000000 c1371d70 e2acaff4 c205c880 c5abb680 c5abb680 c5aa6000

 2593 18:44:46.929411  <0>[   84.264401] 7f40: b6e3a000 00000000 00000000 00000004 c5aa7f94 c5aa7f60 c0599c20 c059958c

 2594 18:44:46.941822  <0>[   84.272850] 7f60: 00000000 00000000 c5aa7fac e2acaff4 0000000f 0000000f b6f81e00 00000004

 2595 18:44:46.948925  <0>[   84.281301] 7f80: c03002e4 c5aa6000 c5aa7fa4 c5aa7f98 c0599cb0 c0599bb8 00000000 c5aa7fa8

 2596 18:44:46.956072  <0>[   84.289751] 7fa0: c03000c0 c0599ca4 0000000f 0000000f 00000001 b6e3a000 0000000f 00000000

 2597 18:44:46.962985  <0>[   84.298200] 7fc0: 0000000f 0000000f b6f81e00 00000004 00000001 00000000 00020000 be9caa64

 2598 18:44:46.971590  <0>[   84.306652] 7fe0: 00000004 be9ca798 b6eec4cf b6e727e6 800e0030 00000001 00000000 00000000

 2599 18:44:46.973900  <0>[   84.315094] Backtrace: 

 2600 18:44:46.983851  <0>[   84.317827] [<c0c36120>] (lkdtm_EXEC_USERSPACE) from [<c0c35320>] (lkdtm_do_action+0x2c/0x4c)

 2601 18:44:46.986662  <0>[   84.326622]  r4:00000024

 2602 18:44:46.994620  <0>[   84.329432] [<c0c352f4>] (lkdtm_do_action) from [<c0c35820>] (direct_entry+0x120/0x18c)

 2603 18:44:47.002680  <0>[   84.337716] [<c0c35700>] (direct_entry) from [<c07e184c>] (full_proxy_write+0x64/0x94)

 2604 18:44:47.009648  <0>[   84.345907]  r9:c5aa7f60 r8:c50fdd80 r7:0000000f r6:b6e3a000 r5:c5abb680 r4:c0c35700

 2605 18:44:47.018670  <0>[   84.353929] [<c07e17e8>] (full_proxy_write) from [<c059968c>] (vfs_write+0x10c/0x524)

 2606 18:44:47.025792  <0>[   84.362032]  r9:c07e17e8 r8:c5aa7f60 r7:c2815800 r6:b6e3a000 r5:c5abb680 r4:00000000

 2607 18:44:47.033636  <0>[   84.370049] [<c0599580>] (vfs_write) from [<c0599c20>] (ksys_write+0x74/0xec)

 2608 18:44:47.042456  <0>[   84.377456]  r10:00000004 r9:00000000 r8:00000000 r7:b6e3a000 r6:c5aa6000 r5:c5abb680

 2609 18:44:47.046431  <0>[   84.385553]  r4:c5abb680

 2610 18:44:47.052677  <0>[   84.388361] [<c0599bac>] (ksys_write) from [<c0599cb0>] (sys_write+0x18/0x1c)

 2611 18:44:47.062314  <0>[   84.395770]  r9:c5aa6000 r8:c03002e4 r7:00000004 r6:b6f81e00 r5:0000000f r4:0000000f

 2612 18:44:47.068821  <0>[   84.403788] [<c0599c98>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 2613 18:44:47.074663  <0>[   84.411625] Exception stack(0xc5aa7fa8 to 0xc5aa7ff0)

 2614 18:44:47.082105  <0>[   84.416949] 7fa0:                   0000000f 0000000f 00000001 b6e3a000 0000000f 00000000

 2615 18:44:47.092729  <0>[   84.425399] 7fc0: 0000000f 0000000f b6f81e00 00000004 00000001 00000000 00020000 be9caa64

 2616 18:44:47.096231  <0>[   84.433845] 7fe0: 00000004 be9ca798 b6eec4cf b6e727e6

 2617 18:44:47.098690  <0>[   84.439173] Code: bad PC value

 2618 18:44:47.103599  <4>[   84.442505] ---[ end trace 6556776c6b5d5066 ]---

 2619 18:44:47.107993  # Segmentation fault

 2620 18:44:47.252344  # [   84.059594] lkdtm: Performing direct entry EXEC_USERSPACE

 2621 18:44:47.258649  # [   84.065629] lkdtm: attempting ok execution at c0c36090

 2622 18:44:47.264062  # [   84.071432] lkdtm: attempting bad execution at b6f80000

 2623 18:44:47.273805  # [   84.076938] Unhandled prefetch abort: page domain fault (0x00b) at 0xb6f80000

 2624 18:44:47.275409  # [   84.084350] Internal error: : b [#8] SMP ARM

 2625 18:44:47.306332  # [   84.088892] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3

 2626 18:44:47.313757  # [   84.118233] CPU: 0 PID: 2076 Comm: cat Tainted: G      D W         5.10.170-cip27 #1

 2627 18:44:47.321080  # [   84.126245] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 2628 18:44:47.324230  # [   84.133046] PC is at 0xb6f80000

 2629 18:44:47.328379  # [   84.136465] LR is at lkdtm_EXEC_USERSPACE+0xc4/0xd4

 2630 18:44:47.335548  # [   84.141614] pc : [<b6f80000>]    lr : [<c0c361e4>]    psr: 600e0013

 2631 18:44:47.339622  # [   84.148149] sp : c5aa7e48  ip : 00000027  fp : c5aa7e64

 2632 18:44:47.344516  # [   84.153643] r10: 0000000f  r9 : c1acc920  r8 : c15e88e4

 2633 18:44:47.353364  # [   84.159137] r7 : c5aa7f60  r6 : 0000000f  r5 : c5b63000  r4 : b6f80000

 2634 18:44:47.361226  # [   84.165933] r3 : e2acaff4  r2 : e2acaff4  r1 : ef7815e4  r0 : 0000002b

 2635 18:44:47.366307  # [   84.172732] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 2636 18:44:47.374189  # [   84.180137] Control: 10c5387d  Table: 16f6c04a  DAC: 00000051

 2637 18:44:47.376838  # [   84.186153] Process cat (pid: 2076, stack limit = 0xe6cda620)

 2638 18:44:47.384684  # [   84.192169] Stack: (0xc5aa7e48 to 0xc5aa8000)

 2639 18:44:47.389077  # [   84.196801] 7e40:                   00000001 00000000 0000000f 00000024 c5aa7e74 c5aa7e68

 2640 18:44:47.397832  # [   84.205251] 7e60: c0c35320 c0c3612c c5aa7e9c c5aa7e78 c0c35820 c0c35300 c0c35700 c5abb680

 2641 18:44:47.408088  # [   84.213702] 7e80: b6e3a000 0000000f c50fdd80 c5aa7f60 c5aa7ec4 c5aa7ea0 c07e184c c0c3570c

 2642 18:44:47.416331  # [   84.222153] 7ea0: 00000000 c5abb680 b6e3a000 c2815800 c5aa7f60 c07e17e8 c5aa7f5c c5aa7ec8

 2643 18:44:47.425839  # [   84.230603] 7ec0: c059968c c07e17f4 00000001 00000000 c0599c20 c1371d70 c0599c20 c5aa6000

 2644 18:44:47.431269  # [   84.239054] 7ee0: b6e3a000 00020000 00000004 0000000f 0001fff1 c5aa7ee0 00000001 b6e39000

 2645 18:44:47.439771  # [   84.247502] 7f00: c5a86b40 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 2646 18:44:47.448672  # [   84.255952] 7f20: 00000000 00000000 c1371d70 e2acaff4 c205c880 c5abb680 c5abb680 c5aa6000

 2647 18:44:47.456296  # [   84.264401] 7f40: b6e3a000 00000000 00000000 00000004 c5aa7f94 c5aa7f60 c0599c20 c059958c

 2648 18:44:47.464645  # [   84.272850] 7f60: 00000000 00000000 c5aa7fac e2acaff4 0000000f 0000000f b6f81e00 00000004

 2649 18:44:47.474837  # [   84.281301] 7f80: c03002e4 c5aa6000 c5aa7fa4 c5aa7f98 c0599cb0 c0599bb8 00000000 c5aa7fa8

 2650 18:44:47.484053  # [   84.289751] 7fa0: c03000c0 c0599ca4 0000000f 0000000f 00000001 b6e3a000 0000000f 00000000

 2651 18:44:47.492434  # [   84.298200] 7fc0: 0000000f 0000000f b6f81e00 00000004 00000001 00000000 00020000 be9caa64

 2652 18:44:47.498874  # [   84.306652] 7fe0: 00000004 be9ca798 b6eec4cf b6e727e6 800e0030 00000001 00000000 00000000

 2653 18:44:47.501016  # [   84.315094] Backtrace: 

 2654 18:44:47.511034  # [   84.317827] [<c0c36120>] (lkdtm_EXEC_USERSPACE) from [<c0c35320>] (lkdtm_do_action+0x2c/0x4c)

 2655 18:44:47.515311  # [   84.326622]  r4:00000024

 2656 18:44:47.522416  # [   84.329432] [<c0c352f4>] (lkdtm_do_action) from [<c0c35820>] (direct_entry+0x120/0x18c)

 2657 18:44:47.528938  # [   84.337716] [<c0c35700>] (direct_entry) from [<c07e184c>] (full_proxy_write+0x64/0x94)

 2658 18:44:47.537496  # [   84.345907]  r9:c5aa7f60 r8:c50fdd80 r7:0000000f r6:b6e3a000 r5:c5abb680 r4:c0c35700

 2659 18:44:47.543858  # [   84.353929] [<c07e17e8>] (full_proxy_write) from [<c059968c>] (vfs_write+0x10c/0x524)

 2660 18:44:47.552534  # [   84.362032]  r9:c07e17e8 r8:c5aa7f60 r7:c2815800 r6:b6e3a000 r5:c5abb680 r4:00000000

 2661 18:44:47.560340  # [   84.370049] [<c0599580>] (vfs_write) from [<c0599c20>] (ksys_write+0x74/0xec)

 2662 18:44:47.568008  # [   84.377456]  r10:00000004 r9:00000000 r8:00000000 r7:b6e3a000 r6:c5aa6000 r5:c5abb680

 2663 18:44:47.569762  # [   84.385553]  r4:c5abb680

 2664 18:44:47.579426  # [   84.388361] [<c0599bac>] (ksys_write) from [<c0599cb0>] (sys_write+0x18/0x1c)

 2665 18:44:47.585779  # [   84.395770]  r9:c5aa6000 r8:c03002e4 r7:00000004 r6:b6f81e00 r5:0000000f r4:0000000f

 2666 18:44:47.596040  # [   84.403788] [<c0599c98>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 2667 18:44:47.598814  # [   84.411625] Exception stack(0xc5aa7fa8 to 0xc5aa7ff0)

 2668 18:44:47.607970  # [   84.416949] 7fa0:                   0000000f 0000000f 00000001 b6e3a000 0000000f 00000000

 2669 18:44:47.616390  # [   84.425399] 7fc0: 0000000f 0000000f b6f81e00 00000004 00000001 00000000 00020000 be9caa64

 2670 18:44:47.621261  # [   84.433845] 7fe0: 00000004 be9ca798 b6eec4cf b6e727e6

 2671 18:44:47.622945  # [   84.439173] Code: bad PC value

 2672 18:44:47.627991  # [   84.442505] ---[ end trace 6556776c6b5d5066 ]---

 2673 18:44:47.634529  # EXEC_USERSPACE: missing 'call trace:': [FAIL]

 2674 18:44:47.638392  not ok 35 self<6>[   84.976930] lkdtm: Performing direct entry EXEC_NULL

 2675 18:44:47.647537  tests: lkdtm: EXEC_USERSPACE.sh #<6>[   84.982862] lkdtm: attempting ok execution at c0c36090

 2676 18:44:47.648028   exit=1

 2677 18:44:47.657433  # selftests: lkdtm: EXEC<6>[   84.991072] lkdtm: attempting bad execution at 00000000

 2678 18:44:47.657878  _NULL.sh

 2679 18:44:47.660316  <1>[   84.999414] 8<--- cut here ---

 2680 18:44:47.667490  <1>[   85.003606] Unable to handle kernel NULL pointer dereference at virtual address 00000000

 2681 18:44:47.673474  <1>[   85.013184] pgd = c28363ca

 2682 18:44:47.678818  <1>[   85.016232] [00000000] *pgd=00000000

 2683 18:44:47.681315  <0>[   85.020104] Internal error: Oops: 80000005 [#9] SMP ARM

 2684 18:44:47.713478  <4>[   85.025601] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3

 2685 18:44:47.721534  <4>[   85.054943] CPU: 0 PID: 2147 Comm: cat Tainted: G      D W         5.10.170-cip27 #1

 2686 18:44:47.726463  <4>[   85.062955] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 2687 18:44:47.729057  <4>[   85.069756] PC is at 0x0

 2688 18:44:47.732888  <4>[   85.072571] LR is at execute_location+0xa4/0xb4

 2689 18:44:47.740580  <4>[   85.077372] pc : [<00000000>]    lr : [<c135c578>]    psr: 600e0013

 2690 18:44:47.747687  <4>[   85.083908] sp : c69a1e38  ip : c69a1d40  fp : c69a1e54

 2691 18:44:47.752009  <4>[   85.089401] r10: 0000000a  r9 : c1acc930  r8 : c15e88e4

 2692 18:44:47.757882  <4>[   85.094896] r7 : c69a1f60  r6 : 00000000  r5 : 00000000  r4 : c0c36090

 2693 18:44:47.766040  <4>[   85.101691] r3 : a0514dc2  r2 : a0514dc2  r1 : ef7815e0  r0 : 0000002b

 2694 18:44:47.772635  <4>[   85.108490] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 2695 18:44:47.777896  <4>[   85.115894] Control: 10c5387d  Table: 16ee004a  DAC: 00000051

 2696 18:44:47.783726  <0>[   85.121911] Process cat (pid: 2147, stack limit = 0xd5788238)

 2697 18:44:47.788426  <0>[   85.127927] Stack: (0xc69a1e38 to 0xc69a2000)

 2698 18:44:47.798142  <0>[   85.132557] 1e20:                                                       00000025 c5b63000

 2699 18:44:47.806659  <0>[   85.141009] 1e40: 0000000a c69a1f60 c69a1e64 c69a1e58 c135c784 c135c4e0 c69a1e74 c69a1e68

 2700 18:44:47.813687  <0>[   85.149460] 1e60: c0c35320 c135c770 c69a1e9c c69a1e78 c0c35820 c0c35300 c0c35700 c5d5a140

 2701 18:44:47.822646  <0>[   85.157910] 1e80: b6e23000 0000000a c50fdd80 c69a1f60 c69a1ec4 c69a1ea0 c07e184c c0c3570c

 2702 18:44:47.831773  <0>[   85.166360] 1ea0: 00000000 c5d5a140 b6e23000 c2815800 c69a1f60 c07e17e8 c69a1f5c c69a1ec8

 2703 18:44:47.838849  <0>[   85.174810] 1ec0: c059968c c07e17f4 00000001 00000000 c0599c20 c1371d70 c0599c20 c69a0000

 2704 18:44:47.849741  <0>[   85.183259] 1ee0: b6e23000 00020000 00000004 0000000a 0001fff6 c69a1ee0 00000001 b6e22000

 2705 18:44:47.858540  <0>[   85.191709] 1f00: c5a86780 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 2706 18:44:47.865905  <0>[   85.200159] 1f20: 00000000 00000000 c1371d70 a0514dc2 c205c880 c5d5a140 c5d5a140 c69a0000

 2707 18:44:47.872749  <0>[   85.208610] 1f40: b6e23000 00000000 00000000 00000004 c69a1f94 c69a1f60 c0599c20 c059958c

 2708 18:44:47.882492  <0>[   85.217061] 1f60: 00000000 00000000 c69a1fac a0514dc2 0000000a 0000000a b6f6ae00 00000004

 2709 18:44:47.889664  <0>[   85.225513] 1f80: c03002e4 c69a0000 c69a1fa4 c69a1f98 c0599cb0 c0599bb8 00000000 c69a1fa8

 2710 18:44:47.898150  <0>[   85.233963] 1fa0: c03000c0 c0599ca4 0000000a 0000000a 00000001 b6e23000 0000000a 00000000

 2711 18:44:47.906530  <0>[   85.242413] 1fc0: 0000000a 0000000a b6f6ae00 00000004 00000001 00000000 00020000 be9ffa64

 2712 18:44:47.915503  <0>[   85.250863] 1fe0: 00000004 be9ff798 b6ed54cf b6e5b7e6 800e0030 00000001 00000000 00000000

 2713 18:44:47.918776  <0>[   85.259305] Backtrace: 

 2714 18:44:47.931021  <0>[   85.262040] [<c135c4d4>] (execute_location) from [<c135c784>] (lkdtm_EXEC_NULL+0x20/0x24)

 2715 18:44:47.936106  <0>[   85.270491]  r7:c69a1f60 r6:0000000a r5:c5b63000 r4:00000025

 2716 18:44:47.942550  <0>[   85.276431] [<c135c764>] (lkdtm_EXEC_NULL) from [<c0c35320>] (lkdtm_do_action+0x2c/0x4c)

 2717 18:44:47.949372  <0>[   85.284797] [<c0c352f4>] (lkdtm_do_action) from [<c0c35820>] (direct_entry+0x120/0x18c)

 2718 18:44:47.956831  <0>[   85.293082] [<c0c35700>] (direct_entry) from [<c07e184c>] (full_proxy_write+0x64/0x94)

 2719 18:44:47.965562  <0>[   85.301271]  r9:c69a1f60 r8:c50fdd80 r7:0000000a r6:b6e23000 r5:c5d5a140 r4:c0c35700

 2720 18:44:47.973002  <0>[   85.309294] [<c07e17e8>] (full_proxy_write) from [<c059968c>] (vfs_write+0x10c/0x524)

 2721 18:44:47.983535  <0>[   85.317397]  r9:c07e17e8 r8:c69a1f60 r7:c2815800 r6:b6e23000 r5:c5d5a140 r4:00000000

 2722 18:44:47.988662  <0>[   85.325413] [<c0599580>] (vfs_write) from [<c0599c20>] (ksys_write+0x74/0xec)

 2723 18:44:47.996644  <0>[   85.332821]  r10:00000004 r9:00000000 r8:00000000 r7:b6e23000 r6:c69a0000 r5:c5d5a140

 2724 18:44:48.000511  <0>[   85.340919]  r4:c5d5a140

 2725 18:44:48.006782  <0>[   85.343728] [<c0599bac>] (ksys_write) from [<c0599cb0>] (sys_write+0x18/0x1c)

 2726 18:44:48.015764  <0>[   85.351135]  r9:c69a0000 r8:c03002e4 r7:00000004 r6:b6f6ae00 r5:0000000a r4:0000000a

 2727 18:44:48.023707  <0>[   85.359156] [<c0599c98>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 2728 18:44:48.027871  <0>[   85.366993] Exception stack(0xc69a1fa8 to 0xc69a1ff0)

 2729 18:44:48.038759  <0>[   85.372317] 1fa0:                   0000000a 0000000a 00000001 b6e23000 0000000a 00000000

 2730 18:44:48.045830  <0>[   85.380767] 1fc0: 0000000a 0000000a b6f6ae00 00000004 00000001 00000000 00020000 be9ffa64

 2731 18:44:48.051611  <0>[   85.389214] 1fe0: 00000004 be9ff798 b6ed54cf b6e5b7e6

 2732 18:44:48.053724  <0>[   85.394540] Code: bad PC value

 2733 18:44:48.059124  <4>[   85.397920] ---[ end trace 6556776c6b5d5067 ]---

 2734 18:44:48.061864  # Segmentation fault

 2735 18:44:48.179516  # [   84.976930] lkdtm: Performing direct entry EXEC_NULL

 2736 18:44:48.188181  # [   84.982862] lkdtm: attempting ok execution at c0c36090

 2737 18:44:48.191176  # [   84.991072] lkdtm: attempting bad execution at 00000000

 2738 18:44:48.194618  # [   84.999414] 8<--- cut here ---

 2739 18:44:48.203808  # [   85.003606] Unable to handle kernel NULL pointer dereference at virtual address 00000000

 2740 18:44:48.205523  # [   85.013184] pgd = c28363ca

 2741 18:44:48.210276  # [   85.016232] [00000000] *pgd=00000000

 2742 18:44:48.215478  # [   85.020104] Internal error: Oops: 80000005 [#9] SMP ARM

 2743 18:44:48.242489  # [   85.025601] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3

 2744 18:44:48.251109  # [   85.054943] CPU: 0 PID: 2147 Comm: cat Tainted: G      D W         5.10.170-cip27 #1

 2745 18:44:48.257249  # [   85.062955] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 2746 18:44:48.260092  # [   85.069756] PC is at 0x0

 2747 18:44:48.264739  # [   85.072571] LR is at execute_location+0xa4/0xb4

 2748 18:44:48.271314  # [   85.077372] pc : [<00000000>]    lr : [<c135c578>]    psr: 600e0013

 2749 18:44:48.276886  # [   85.083908] sp : c69a1e38  ip : c69a1d40  fp : c69a1e54

 2750 18:44:48.284300  # [   85.089401] r10: 0000000a  r9 : c1acc930  r8 : c15e88e4

 2751 18:44:48.292711  # [   85.094896] r7 : c69a1f60  r6 : 00000000  r5 : 00000000  r4 : c0c36090

 2752 18:44:48.296609  # [   85.101691] r3 : a0514dc2  r2 : a0514dc2  r1 : ef7815e0  r0 : 0000002b

 2753 18:44:48.302719  # [   85.108490] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 2754 18:44:48.308259  # [   85.115894] Control: 10c5387d  Table: 16ee004a  DAC: 00000051

 2755 18:44:48.314625  # [   85.121911] Process cat (pid: 2147, stack limit = 0xd5788238)

 2756 18:44:48.318870  # [   85.127927] Stack: (0xc69a1e38 to 0xc69a2000)

 2757 18:44:48.328419  # [   85.132557] 1e20:                                                       00000025 c5b63000

 2758 18:44:48.335827  # [   85.141009] 1e40: 0000000a c69a1f60 c69a1e64 c69a1e58 c135c784 c135c4e0 c69a1e74 c69a1e68

 2759 18:44:48.345411  # [   85.149460] 1e60: c0c35320 c135c770 c69a1e9c c69a1e78 c0c35820 c0c35300 c0c35700 c5d5a140

 2760 18:44:48.354533  # [   85.157910] 1e80: b6e23000 0000000a c50fdd80 c69a1f60 c69a1ec4 c69a1ea0 c07e184c c0c3570c

 2761 18:44:48.360445  # [   85.166360] 1ea0: 00000000 c5d5a140 b6e23000 c2815800 c69a1f60 c07e17e8 c69a1f5c c69a1ec8

 2762 18:44:48.371913  # [   85.174810] 1ec0: c059968c c07e17f4 00000001 00000000 c0599c20 c1371d70 c0599c20 c69a0000

 2763 18:44:48.378800  # [   85.183259] 1ee0: b6e23000 00020000 00000004 0000000a 0001fff6 c69a1ee0 00000001 b6e22000

 2764 18:44:48.388085  # [   85.191709] 1f00: c5a86780 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 2765 18:44:48.396480  # [   85.200159] 1f20: 00000000 00000000 c1371d70 a0514dc2 c205c880 c5d5a140 c5d5a140 c69a0000

 2766 18:44:48.403986  # [   85.208610] 1f40: b6e23000 00000000 00000000 00000004 c69a1f94 c69a1f60 c0599c20 c059958c

 2767 18:44:48.412732  # [   85.217061] 1f60: 00000000 00000000 c69a1fac a0514dc2 0000000a 0000000a b6f6ae00 00000004

 2768 18:44:48.421922  # [   85.225513] 1f80: c03002e4 c69a0000 c69a1fa4 c69a1f98 c0599cb0 c0599bb8 00000000 c69a1fa8

 2769 18:44:48.428605  # [   85.233963] 1fa0: c03000c0 c0599ca4 0000000a 0000000a 00000001 b6e23000 0000000a 00000000

 2770 18:44:48.436018  # [   85.242413] 1fc0: 0000000a 0000000a b6f6ae00 00000004 00000001 00000000 00020000 be9ffa64

 2771 18:44:48.444188  # [   85.250863] 1fe0: 00000004 be9ff798 b6ed54cf b6e5b7e6 800e0030 00000001 00000000 00000000

 2772 18:44:48.447362  # [   85.259305] Backtrace: 

 2773 18:44:48.455787  # [   85.262040] [<c135c4d4>] (execute_location) from [<c135c784>] (lkdtm_EXEC_NULL+0x20/0x24)

 2774 18:44:48.462509  # [   85.270491]  r7:c69a1f60 r6:0000000a r5:c5b63000 r4:00000025

 2775 18:44:48.471395  # [   85.276431] [<c135c764>] (lkdtm_EXEC_NULL) from [<c0c35320>] (lkdtm_do_action+0x2c/0x4c)

 2776 18:44:48.478820  # [   85.284797] [<c0c352f4>] (lkdtm_do_action) from [<c0c35820>] (direct_entry+0x120/0x18c)

 2777 18:44:48.485914  # [   85.293082] [<c0c35700>] (direct_entry) from [<c07e184c>] (full_proxy_write+0x64/0x94)

 2778 18:44:48.493908  # [   85.301271]  r9:c69a1f60 r8:c50fdd80 r7:0000000a r6:b6e23000 r5:c5d5a140 r4:c0c35700

 2779 18:44:48.500903  # [   85.309294] [<c07e17e8>] (full_proxy_write) from [<c059968c>] (vfs_write+0x10c/0x524)

 2780 18:44:48.509842  # [   85.317397]  r9:c07e17e8 r8:c69a1f60 r7:c2815800 r6:b6e23000 r5:c5d5a140 r4:00000000

 2781 18:44:48.520050  # [   85.325413] [<c0599580>] (vfs_write) from [<c0599c20>] (ksys_write+0x74/0xec)

 2782 18:44:48.524725  # [   85.332821]  r10:00000004 r9:00000000 r8:00000000 r7:b6e23000 r6:c69a0000 r5:c5d5a140

 2783 18:44:48.526645  # [   85.340919]  r4:c5d5a140

 2784 18:44:48.534704  # [   85.343728] [<c0599bac>] (ksys_write) from [<c0599cb0>] (sys_write+0x18/0x1c)

 2785 18:44:48.544320  # [   85.351135]  r9:c69a0000 r8:c03002e4 r7:00000004 r6:b6f6ae00 r5:0000000a r4:0000000a

 2786 18:44:48.550946  # [   85.359156] [<c0599c98>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 2787 18:44:48.555424  # [   85.366993] Exception stack(0xc69a1fa8 to 0xc69a1ff0)

 2788 18:44:48.563748  # [   85.372317] 1fa0:                   0000000a 0000000a 00000001 b6e23000 0000000a 00000000

 2789 18:44:48.575840  # [   85.380767] 1fc0: 0000000a 0000000a b6f6ae00 00000004 00000001 00000000 00020000 be9ffa64

 2790 18:44:48.579011  # [   85.389214] 1fe0: 00000004 be9ff798 b6ed54cf b6e5b7e6

 2791 18:44:48.582177  # [   85.394540] Code: bad PC value

 2792 18:44:48.585115  # [   85.397920] ---[ end trace 6556776c6b5d5067 ]---

 2793 18:44:48.589899  # EXEC_NULL: missing 'call trace:': [FAIL]

 2794 18:44:48.598716  not ok 36 selftests: lkdtm: EXEC_NULL.sh # exit=1

 2795 18:44:48.604673  # selftests: lkdtm: ACCESS_USERSPACE<6>[   85.939260] lkdtm: Performing direct entry ACCESS_USERSPACE

 2796 18:44:48.605080  .sh

 2797 18:44:48.607515  <6>[   85.946490] lkdtm: attempting bad read at b6f1a000

 2798 18:44:48.611779  <1>[   85.951860] 8<--- cut here ---

 2799 18:44:48.618665  <1>[   85.955211] Unhandled fault: page domain fault (0x01b) at 0xb6f1a000

 2800 18:44:48.620599  <1>[   85.961864] pgd = 0b187fc0

 2801 18:44:48.626323  <1>[   85.964850] [b6f1a000] *pgd=494cc831

 2802 18:44:48.628762  <0>[   85.968716] Internal error: : 1b [#10] SMP ARM

 2803 18:44:48.658890  <4>[   85.973432] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3

 2804 18:44:48.669553  <4>[   86.002752] CPU: 3 PID: 2223 Comm: cat Tainted: G      D W         5.10.170-cip27 #1

 2805 18:44:48.673961  <4>[   86.010764] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 2806 18:44:48.680670  <4>[   86.017573] PC is at lkdtm_ACCESS_USERSPACE+0x114/0x16c

 2807 18:44:48.683929  <4>[   86.023081] LR is at __irq_work_queue_local+0x40/0x74

 2808 18:44:48.690489  <4>[   86.028402] pc : [<c0c36308>]    lr : [<c049c4f0>]    psr: 600e0013

 2809 18:44:48.696025  <4>[   86.034939] sp : c6ab7e38  ip : c6ab7d40  fp : c6ab7e64

 2810 18:44:48.704018  <4>[   86.040434] r10: 00000011  r9 : c1acc93c  r8 : c15e88e4

 2811 18:44:48.709001  <4>[   86.045928] r7 : c6ab7f60  r6 : 00000051  r5 : c6ab6000  r4 : b6f1a000

 2812 18:44:48.715549  <4>[   86.052725] r3 : 63552d5e  r2 : 63552d5e  r1 : ef7c05e0  r0 : 00000026

 2813 18:44:48.725903  <4>[   86.059522] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 2814 18:44:48.729012  <4>[   86.066929] Control: 10c5387d  Table: 16e9804a  DAC: 00000051

 2815 18:44:48.735908  <0>[   86.072947] Process cat (pid: 2223, stack limit = 0x3f970bf6)

 2816 18:44:48.741401  <0>[   86.078965] Stack: (0xc6ab7e38 to 0xc6ab8000)

 2817 18:44:48.748011  <0>[   86.083593] 7e20:                                                       00000022 00000000

 2818 18:44:48.756791  <0>[   86.092046] 7e40: 00000000 63552d5e c6ab7e6c 00000026 c69ed000 00000011 c6ab7e74 c6ab7e68

 2819 18:44:48.764551  <0>[   86.100498] 7e60: c0c35320 c0c36200 c6ab7e9c c6ab7e78 c0c35820 c0c35300 c0c35700 c5abb400

 2820 18:44:48.776636  <0>[   86.108950] 7e80: b6dd4000 00000011 c50fdd80 c6ab7f60 c6ab7ec4 c6ab7ea0 c07e184c c0c3570c

 2821 18:44:48.782367  <0>[   86.117401] 7ea0: 00000000 c5abb400 b6dd4000 c2815800 c6ab7f60 c07e17e8 c6ab7f5c c6ab7ec8

 2822 18:44:48.792806  <0>[   86.125851] 7ec0: c059968c c07e17f4 00000001 00000000 c0599c20 c1371d70 c0599c20 c6ab6000

 2823 18:44:48.799560  <0>[   86.134302] 7ee0: b6dd4000 00020000 00000004 00000011 0001ffef c6ab7ee0 00000001 b6dd3000

 2824 18:44:48.810280  <0>[   86.142752] 7f00: c5a86780 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 2825 18:44:48.815988  <0>[   86.151201] 7f20: 00000000 00000000 c1371d70 63552d5e c205c880 c5abb400 c5abb400 c6ab6000

 2826 18:44:48.823769  <0>[   86.159651] 7f40: b6dd4000 00000000 00000000 00000004 c6ab7f94 c6ab7f60 c0599c20 c059958c

 2827 18:44:48.834467  <0>[   86.168100] 7f60: 00000000 00000000 c6ab7fac 63552d5e 00000011 00000011 b6f1be00 00000004

 2828 18:44:48.840969  <0>[   86.176551] 7f80: c03002e4 c6ab6000 c6ab7fa4 c6ab7f98 c0599cb0 c0599bb8 00000000 c6ab7fa8

 2829 18:44:48.849468  <0>[   86.185000] 7fa0: c03000c0 c0599ca4 00000011 00000011 00000001 b6dd4000 00000011 00000000

 2830 18:44:48.859786  <0>[   86.193448] 7fc0: 00000011 00000011 b6f1be00 00000004 00000001 00000000 00020000 bea3ba64

 2831 18:44:48.866514  <0>[   86.201898] 7fe0: 00000004 bea3b798 b6e864cf b6e0c7e6 800e0030 00000001 00000000 00000000

 2832 18:44:48.868976  <0>[   86.210343] Backtrace: 

 2833 18:44:48.878065  <0>[   86.213078] [<c0c361f4>] (lkdtm_ACCESS_USERSPACE) from [<c0c35320>] (lkdtm_do_action+0x2c/0x4c)

 2834 18:44:48.885038  <0>[   86.222050]  r6:00000011 r5:c69ed000 r4:00000026

 2835 18:44:48.890818  <0>[   86.226943] [<c0c352f4>] (lkdtm_do_action) from [<c0c35820>] (direct_entry+0x120/0x18c)

 2836 18:44:48.902463  <0>[   86.235229] [<c0c35700>] (direct_entry) from [<c07e184c>] (full_proxy_write+0x64/0x94)

 2837 18:44:48.907860  <0>[   86.243422]  r9:c6ab7f60 r8:c50fdd80 r7:00000011 r6:b6dd4000 r5:c5abb400 r4:c0c35700

 2838 18:44:48.916542  <0>[   86.251447] [<c07e17e8>] (full_proxy_write) from [<c059968c>] (vfs_write+0x10c/0x524)

 2839 18:44:48.924575  <0>[   86.259550]  r9:c07e17e8 r8:c6ab7f60 r7:c2815800 r6:b6dd4000 r5:c5abb400 r4:00000000

 2840 18:44:48.930655  <0>[   86.267568] [<c0599580>] (vfs_write) from [<c0599c20>] (ksys_write+0x74/0xec)

 2841 18:44:48.939840  <0>[   86.274977]  r10:00000004 r9:00000000 r8:00000000 r7:b6dd4000 r6:c6ab6000 r5:c5abb400

 2842 18:44:48.943049  <0>[   86.283075]  r4:c5abb400

 2843 18:44:48.951852  <0>[   86.285884] [<c0599bac>] (ksys_write) from [<c0599cb0>] (sys_write+0x18/0x1c)

 2844 18:44:48.958213  <0>[   86.293294]  r9:c6ab6000 r8:c03002e4 r7:00000004 r6:b6f1be00 r5:00000011 r4:00000011

 2845 18:44:48.965339  <0>[   86.301315] [<c0599c98>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 2846 18:44:48.971207  <0>[   86.309152] Exception stack(0xc6ab7fa8 to 0xc6ab7ff0)

 2847 18:44:48.981443  <0>[   86.314478] 7fa0:                   00000011 00000011 00000001 b6dd4000 00000011 00000000

 2848 18:44:48.988004  <0>[   86.322929] 7fc0: 00000011 00000011 b6f1be00 00000004 00000001 00000000 00020000 bea3ba64

 2849 18:44:48.993580  <0>[   86.331376] 7fe0: 00000004 bea3b798 b6e864cf b6e0c7e6

 2850 18:44:48.999912  <0>[   86.336702] Code: e1a01004 e30d0860 e34c01ac eb1c6d2c (e5943000) 

 2851 18:44:49.003767  <4>[   86.343071] ---[ end trace 6556776c6b5d5068 ]---

 2852 18:44:49.007861  # Segmentation fault

 2853 18:44:49.179599  # [   85.939260] lkdtm: Performing direct entry ACCESS_USERSPACE

 2854 18:44:49.185985  # [   85.946490] lkdtm: attempting bad read at b6f1a000

 2855 18:44:49.190226  # [   85.951860] 8<--- cut here ---

 2856 18:44:49.193740  # [   85.955211] Unhandled fault: page domain fault (0x01b) at 0xb6f1a000

 2857 18:44:49.196462  # [   85.961864] pgd = 0b187fc0

 2858 18:44:49.202310  # [   85.964850] [b6f1a000] *pgd=494cc831

 2859 18:44:49.206510  # [   85.968716] Internal error: : 1b [#10] SMP ARM

 2860 18:44:49.233568  # [   85.973432] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3

 2861 18:44:49.240970  # [   86.002752] CPU: 3 PID: 2223 Comm: cat Tainted: G      D W         5.10.170-cip27 #1

 2862 18:44:49.250051  # [   86.010764] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 2863 18:44:49.253014  # [   86.017573] PC is at lkdtm_ACCESS_USERSPACE+0x114/0x16c

 2864 18:44:49.259475  # [   86.023081] LR is at __irq_work_queue_local+0x40/0x74

 2865 18:44:49.266444  # [   86.028402] pc : [<c0c36308>]    lr : [<c049c4f0>]    psr: 600e0013

 2866 18:44:49.272900  # [   86.034939] sp : c6ab7e38  ip : c6ab7d40  fp : c6ab7e64

 2867 18:44:49.276621  # [   86.040434] r10: 00000011  r9 : c1acc93c  r8 : c15e88e4

 2868 18:44:49.284600  # [   86.045928] r7 : c6ab7f60  r6 : 00000051  r5 : c6ab6000  r4 : b6f1a000

 2869 18:44:49.291293  # [   86.052725] r3 : 63552d5e  r2 : 63552d5e  r1 : ef7c05e0  r0 : 00000026

 2870 18:44:49.297128  # [   86.059522] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 2871 18:44:49.305216  # [   86.066929] Control: 10c5387d  Table: 16e9804a  DAC: 00000051

 2872 18:44:49.310136  # [   86.072947] Process cat (pid: 2223, stack limit = 0x3f970bf6)

 2873 18:44:49.314712  # [   86.078965] Stack: (0xc6ab7e38 to 0xc6ab8000)

 2874 18:44:49.323601  # [   86.083593] 7e20:                                                       00000022 00000000

 2875 18:44:49.329655  # [   86.092046] 7e40: 00000000 63552d5e c6ab7e6c 00000026 c69ed000 00000011 c6ab7e74 c6ab7e68

 2876 18:44:49.337874  # [   86.100498] 7e60: c0c35320 c0c36200 c6ab7e9c c6ab7e78 c0c35820 c0c35300 c0c35700 c5abb400

 2877 18:44:49.348668  # [   86.108950] 7e80: b6dd4000 00000011 c50fdd80 c6ab7f60 c6ab7ec4 c6ab7ea0 c07e184c c0c3570c

 2878 18:44:49.356046  # [   86.117401] 7ea0: 00000000 c5abb400 b6dd4000 c2815800 c6ab7f60 c07e17e8 c6ab7f5c c6ab7ec8

 2879 18:44:49.362896  # [   86.125851] 7ec0: c059968c c07e17f4 00000001 00000000 c0599c20 c1371d70 c0599c20 c6ab6000

 2880 18:44:49.370875  # [   86.134302] 7ee0: b6dd4000 00020000 00000004 00000011 0001ffef c6ab7ee0 00000001 b6dd3000

 2881 18:44:49.382634  # [   86.142752] 7f00: c5a86780 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 2882 18:44:49.389627  # [   86.151201] 7f20: 00000000 00000000 c1371d70 63552d5e c205c880 c5abb400 c5abb400 c6ab6000

 2883 18:44:49.397786  # [   86.159651] 7f40: b6dd4000 00000000 00000000 00000004 c6ab7f94 c6ab7f60 c0599c20 c059958c

 2884 18:44:49.405543  # [   86.168100] 7f60: 00000000 00000000 c6ab7fac 63552d5e 00000011 00000011 b6f1be00 00000004

 2885 18:44:49.413739  # [   86.176551] 7f80: c03002e4 c6ab6000 c6ab7fa4 c6ab7f98 c0599cb0 c0599bb8 00000000 c6ab7fa8

 2886 18:44:49.421568  # [   86.185000] 7fa0: c03000c0 c0599ca4 00000011 00000011 00000001 b6dd4000 00000011 00000000

 2887 18:44:49.429412  # [   86.193448] 7fc0: 00000011 00000011 b6f1be00 00000004 00000001 00000000 00020000 bea3ba64

 2888 18:44:49.439876  # [   86.201898] 7fe0: 00000004 bea3b798 b6e864cf b6e0c7e6 800e0030 00000001 00000000 00000000

 2889 18:44:49.443220  # [   86.210343] Backtrace: 

 2890 18:44:49.450456  # [   86.213078] [<c0c361f4>] (lkdtm_ACCESS_USERSPACE) from [<c0c35320>] (lkdtm_do_action+0x2c/0x4c)

 2891 18:44:49.455525  # [   86.222050]  r6:00000011 r5:c69ed000 r4:00000026

 2892 18:44:49.462530  # [   86.226943] [<c0c352f4>] (lkdtm_do_action) from [<c0c35820>] (direct_entry+0x120/0x18c)

 2893 18:44:49.469880  # [   86.235229] [<c0c35700>] (direct_entry) from [<c07e184c>] (full_proxy_write+0x64/0x94)

 2894 18:44:49.479000  # [   86.243422]  r9:c6ab7f60 r8:c50fdd80 r7:00000011 r6:b6dd4000 r5:c5abb400 r4:c0c35700

 2895 18:44:49.486855  # [   86.251447] [<c07e17e8>] (full_proxy_write) from [<c059968c>] (vfs_write+0x10c/0x524)

 2896 18:44:49.496634  # [   86.259550]  r9:c07e17e8 r8:c6ab7f60 r7:c2815800 r6:b6dd4000 r5:c5abb400 r4:00000000

 2897 18:44:49.505939  # [   86.267568] [<c0599580>] (vfs_write) from [<c0599c20>] (ksys_write+0x74/0xec)

 2898 18:44:49.513181  # [   86.274977]  r10:00000004 r9:00000000 r8:00000000 r7:b6dd4000 r6:c6ab6000 r5:c5abb400

 2899 18:44:49.513702  # [   86.283075]  r4:c5abb400

 2900 18:44:49.521081  # [   86.285884] [<c0599bac>] (ksys_write) from [<c0599cb0>] (sys_write+0x18/0x1c)

 2901 18:44:49.527211  # [   86.293294]  r9:c6ab6000 r8:c03002e4 r7:00000004 r6:b6f1be00 r5:00000011 r4:00000011

 2902 18:44:49.535395  # [   86.301315] [<c0599c98>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 2903 18:44:49.542697  # [   86.309152] Exception stack(0xc6ab7fa8 to 0xc6ab7ff0)

 2904 18:44:49.549343  # [   86.314478] 7fa0:                   00000011 00000011 00000001 b6dd4000 00000011 00000000

 2905 18:44:49.558890  # [   86.322929] 7fc0: 00000011 00000011 b6f1be00 00000004 00000001 00000000 00020000 bea3ba64

 2906 18:44:49.562529  # [   86.331376] 7fe0: 00000004 bea3b798 b6e864cf b6e0c7e6

 2907 18:44:49.568616  # [   86.336702] Code: e1a01004 e30d0860 e34c01ac eb1c6d2c (e5943000) 

 2908 18:44:49.578502  # [   86.343071] ---[ end trace 655<6>[   86.913509] lkdtm: Performing direct entry ACCESS_NULL

 2909 18:44:49.579279  6776c6b5d5068 ]---

 2910 18:44:49.583935  # ACC<E6S>S[_  86.920814] lkdtm: attempting bad read at 00000000

 2911 18:44:49.592658  USERSPACE: missing 'call trace:':<1>[   86.928383] 8<--- cut here ---

 2912 18:44:49.593101   [FAIL]

 2913 18:44:49.603876  not ok 37 selftests: lkd<1>[   86.934544] Unable to handle kernel NULL pointer dereference at virtual address 00000000

 2914 18:44:49.604595  tm: ACCESS_USERSPACE.sh # exit=1

 2915 18:44:49.608848  <1>[   86.945754] pgd = 8623b32d

 2916 18:44:49.609088  

 2917 18:44:49.613701  # selftests: lkdtm: ACCESS_NULL.<1>[   86.951559] [00000000] *pgd=00000000

 2918 18:44:49.615531  sh

 2919 18:44:49.621769  <0>[   86.958229] Internal error: Oops: 5 [#11] SMP ARM

 2920 18:44:49.651864  <4>[   86.963533] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3

 2921 18:44:49.657953  <4>[   86.992854] CPU: 2 PID: 2298 Comm: cat Tainted: G      D W         5.10.170-cip27 #1

 2922 18:44:49.664496  <4>[   87.000867] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 2923 18:44:49.671037  <4>[   87.007681] PC is at lkdtm_ACCESS_NULL+0x28/0x68

 2924 18:44:49.674647  <4>[   87.012581] LR is at __irq_work_queue_local+0x40/0x74

 2925 18:44:49.680904  <4>[   87.017902] pc : [<c135c7b0>]    lr : [<c049c4f0>]    psr: 600e0013

 2926 18:44:49.687027  <4>[   87.024439] sp : c5c29e50  ip : c5c29d58  fp : c5c29e64

 2927 18:44:49.692641  <4>[   87.029932] r10: 0000000c  r9 : c1acc950  r8 : c15e88e4

 2928 18:44:49.700287  <4>[   87.035425] r7 : c5c29f60  r6 : 0000000c  r5 : c6bff000  r4 : 00000000

 2929 18:44:49.705506  <4>[   87.042221] r3 : 8a0dd31f  r2 : 8a0dd31f  r1 : ef7ab5e0  r0 : 00000026

 2930 18:44:49.713818  <4>[   87.049019] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 2931 18:44:49.719981  <4>[   87.056425] Control: 10c5387d  Table: 16d8804a  DAC: 00000051

 2932 18:44:49.725061  <0>[   87.062443] Process cat (pid: 2298, stack limit = 0xcbf8e4dd)

 2933 18:44:49.729243  <0>[   87.068460] Stack: (0xc5c29e50 to 0xc5c2a000)

 2934 18:44:49.738137  <0>[   87.073091] 9e40:                                     00000027 c6bff000 c5c29e74 c5c29e68

 2935 18:44:49.746074  <0>[   87.081542] 9e60: c0c35320 c135c794 c5c29e9c c5c29e78 c0c35820 c0c35300 c0c35700 c5d5b400

 2936 18:44:49.755229  <0>[   87.089993] 9e80: b6e4a000 0000000c c50fdd80 c5c29f60 c5c29ec4 c5c29ea0 c07e184c c0c3570c

 2937 18:44:49.764009  <0>[   87.098444] 9ea0: 00000000 c5d5b400 b6e4a000 c2815800 c5c29f60 c07e17e8 c5c29f5c c5c29ec8

 2938 18:44:49.772851  <0>[   87.106895] 9ec0: c059968c c07e17f4 00000001 00000000 c0599c20 c1371d70 c0599c20 c5c28000

 2939 18:44:49.781190  <0>[   87.115345] 9ee0: b6e4a000 00020000 00000004 0000000c 0001fff4 c5c29ee0 00000001 b6e49000

 2940 18:44:49.787969  <0>[   87.123795] 9f00: c6abe000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 2941 18:44:49.799488  <0>[   87.132247] 9f20: 00000000 00000000 c1371d70 8a0dd31f c205c880 c5d5b400 c5d5b400 c5c28000

 2942 18:44:49.805294  <0>[   87.140697] 9f40: b6e4a000 00000000 00000000 00000004 c5c29f94 c5c29f60 c0599c20 c059958c

 2943 18:44:49.814099  <0>[   87.149148] 9f60: 00000000 00000000 c5c29fac 8a0dd31f 0000000c 0000000c b6f91e00 00000004

 2944 18:44:49.823459  <0>[   87.157597] 9f80: c03002e4 c5c28000 c5c29fa4 c5c29f98 c0599cb0 c0599bb8 00000000 c5c29fa8

 2945 18:44:49.831838  <0>[   87.166048] 9fa0: c03000c0 c0599ca4 0000000c 0000000c 00000001 b6e4a000 0000000c 00000000

 2946 18:44:49.839720  <0>[   87.174496] 9fc0: 0000000c 0000000c b6f91e00 00000004 00000001 00000000 00020000 bee46a64

 2947 18:44:49.846909  <0>[   87.182947] 9fe0: 00000004 bee46798 b6efc4cf b6e827e6 800e0030 00000001 00000000 00000000

 2948 18:44:49.850509  <0>[   87.191391] Backtrace: 

 2949 18:44:49.859812  <0>[   87.194127] [<c135c788>] (lkdtm_ACCESS_NULL) from [<c0c35320>] (lkdtm_do_action+0x2c/0x4c)

 2950 18:44:49.863956  <0>[   87.202664]  r5:c6bff000 r4:00000027

 2951 18:44:49.874186  <0>[   87.206515] [<c0c352f4>] (lkdtm_do_action) from [<c0c35820>] (direct_entry+0x120/0x18c)

 2952 18:44:49.880699  <0>[   87.214799] [<c0c35700>] (direct_entry) from [<c07e184c>] (full_proxy_write+0x64/0x94)

 2953 18:44:49.888160  <0>[   87.222991]  r9:c5c29f60 r8:c50fdd80 r7:0000000c r6:b6e4a000 r5:c5d5b400 r4:c0c35700

 2954 18:44:49.897578  <0>[   87.231016] [<c07e17e8>] (full_proxy_write) from [<c059968c>] (vfs_write+0x10c/0x524)

 2955 18:44:49.904527  <0>[   87.239121]  r9:c07e17e8 r8:c5c29f60 r7:c2815800 r6:b6e4a000 r5:c5d5b400 r4:00000000

 2956 18:44:49.910864  <0>[   87.247136] [<c0599580>] (vfs_write) from [<c0599c20>] (ksys_write+0x74/0xec)

 2957 18:44:49.919993  <0>[   87.254546]  r10:00000004 r9:00000000 r8:00000000 r7:b6e4a000 r6:c5c28000 r5:c5d5b400

 2958 18:44:49.921782  <0>[   87.262642]  r4:c5d5b400

 2959 18:44:49.929685  <0>[   87.265451] [<c0599bac>] (ksys_write) from [<c0599cb0>] (sys_write+0x18/0x1c)

 2960 18:44:49.936763  <0>[   87.272860]  r9:c5c28000 r8:c03002e4 r7:00000004 r6:b6f91e00 r5:0000000c r4:0000000c

 2961 18:44:49.944911  <0>[   87.280882] [<c0599c98>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 2962 18:44:49.950860  <0>[   87.288721] Exception stack(0xc5c29fa8 to 0xc5c29ff0)

 2963 18:44:49.958605  <0>[   87.294045] 9fa0:                   0000000c 0000000c 00000001 b6e4a000 0000000c 00000000

 2964 18:44:49.967707  <0>[   87.302497] 9fc0: 0000000c 0000000c b6f91e00 00000004 00000001 00000000 00020000 bee46a64

 2965 18:44:49.972032  <0>[   87.310945] 9fe0: 00000004 bee46798 b6efc4cf b6e827e6

 2966 18:44:49.979961  <0>[   87.316272] Code: e30d0860 e34c01ac e1a01004 ebffd402 (e5945000) 

 2967 18:44:49.984028  <4>[   87.322716] ---[ end trace 6556776c6b5d5069 ]---

 2968 18:44:49.986841  # Segmentation fault

 2969 18:44:50.170619  # [   86.913509] lkdtm: Performing direct entry ACCESS_NULL

 2970 18:44:50.173074  # [   86.920814] lkdtm: attempting bad read at 00000000

 2971 18:44:50.176478  # [   86.928383] 8<--- cut here ---

 2972 18:44:50.183887  # [   86.934544] Unable to handle kernel NULL pointer dereference at virtual address 00000000

 2973 18:44:50.189163  # [   86.945754] pgd = 8623b32d

 2974 18:44:50.193151  # [   86.951559] [00000000] *pgd=00000000

 2975 18:44:50.195802  # [   86.958229] Internal error: Oops: 5 [#11] SMP ARM

 2976 18:44:50.226701  # [   86.963533] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3

 2977 18:44:50.232672  # [   86.992854] CPU: 2 PID: 2298 Comm: cat Tainted: G      D W         5.10.170-cip27 #1

 2978 18:44:50.240250  # [   87.000867] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 2979 18:44:50.244695  # [   87.007681] PC is at lkdtm_ACCESS_NULL+0x28/0x68

 2980 18:44:50.249599  # [   87.012581] LR is at __irq_work_queue_local+0x40/0x74

 2981 18:44:50.256404  # [   87.017902] pc : [<c135c7b0>]    lr : [<c049c4f0>]    psr: 600e0013

 2982 18:44:50.261048  # [   87.024439] sp : c5c29e50  ip : c5c29d58  fp : c5c29e64

 2983 18:44:50.267761  # [   87.029932] r10: 0000000c  r9 : c1acc950  r8 : c15e88e4

 2984 18:44:50.272750  # [   87.035425] r7 : c5c29f60  r6 : 0000000c  r5 : c6bff000  r4 : 00000000

 2985 18:44:50.279880  # [   87.042221] r3 : 8a0dd31f  r2 : 8a0dd31f  r1 : ef7ab5e0  r0 : 00000026

 2986 18:44:50.288076  # [   87.049019] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 2987 18:44:50.293660  # [   87.056425] Control: 10c5387d  Table: 16d8804a  DAC: 00000051

 2988 18:44:50.299077  # [   87.062443] Process cat (pid: 2298, stack limit = 0xcbf8e4dd)

 2989 18:44:50.303984  # [   87.068460] Stack: (0xc5c29e50 to 0xc5c2a000)

 2990 18:44:50.312761  # [   87.073091] 9e40:                                     00000027 c6bff000 c5c29e74 c5c29e68

 2991 18:44:50.320947  # [   87.081542] 9e60: c0c35320 c135c794 c5c29e9c c5c29e78 c0c35820 c0c35300 c0c35700 c5d5b400

 2992 18:44:50.327940  # [   87.089993] 9e80: b6e4a000 0000000c c50fdd80 c5c29f60 c5c29ec4 c5c29ea0 c07e184c c0c3570c

 2993 18:44:50.338761  # [   87.098444] 9ea0: 00000000 c5d5b400 b6e4a000 c2815800 c5c29f60 c07e17e8 c5c29f5c c5c29ec8

 2994 18:44:50.345711  # [   87.106895] 9ec0: c059968c c07e17f4 00000001 00000000 c0599c20 c1371d70 c0599c20 c5c28000

 2995 18:44:50.354195  # [   87.115345] 9ee0: b6e4a000 00020000 00000004 0000000c 0001fff4 c5c29ee0 00000001 b6e49000

 2996 18:44:50.361654  # [   87.123795] 9f00: c6abe000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 2997 18:44:50.370119  # [   87.132247] 9f20: 00000000 00000000 c1371d70 8a0dd31f c205c880 c5d5b400 c5d5b400 c5c28000

 2998 18:44:50.378461  # [   87.140697] 9f40: b6e4a000 00000000 00000000 00000004 c5c29f94 c5c29f60 c0599c20 c059958c

 2999 18:44:50.387776  # [   87.149148] 9f60: 00000000 00000000 c5c29fac 8a0dd31f 0000000c 0000000c b6f91e00 00000004

 3000 18:44:50.394750  # [   87.157597] 9f80: c03002e4 c5c28000 c5c29fa4 c5c29f98 c0599cb0 c0599bb8 00000000 c5c29fa8

 3001 18:44:50.404017  # [   87.166048] 9fa0: c03000c0 c0599ca4 0000000c 0000000c 00000001 b6e4a000 0000000c 00000000

 3002 18:44:50.413138  # [   87.174496] 9fc0: 0000000c 0000000c b6f91e00 00000004 00000001 00000000 00020000 bee46a64

 3003 18:44:50.420987  # [   87.182947] 9fe0: 00000004 bee46798 b6efc4cf b6e827e6 800e0030 00000001 00000000 00000000

 3004 18:44:50.424006  # [   87.191391] Backtrace: 

 3005 18:44:50.432947  # [   87.194127] [<c135c788>] (lkdtm_ACCESS_NULL) from [<c0c35320>] (lkdtm_do_action+0x2c/0x4c)

 3006 18:44:50.436062  # [   87.202664]  r5:c6bff000 r4:00000027

 3007 18:44:50.444898  # [   87.206515] [<c0c352f4>] (lkdtm_do_action) from [<c0c35820>] (direct_entry+0x120/0x18c)

 3008 18:44:50.450888  # [   87.214799] [<c0c35700>] (direct_entry) from [<c07e184c>] (full_proxy_write+0x64/0x94)

 3009 18:44:50.458691  # [   87.222991]  r9:c5c29f60 r8:c50fdd80 r7:0000000c r6:b6e4a000 r5:c5d5b400 r4:c0c35700

 3010 18:44:50.467060  # [   87.231016] [<c07e17e8>] (full_proxy_write) from [<c059968c>] (vfs_write+0x10c/0x524)

 3011 18:44:50.475513  # [   87.239121]  r9:c07e17e8 r8:c5c29f60 r7:c2815800 r6:b6e4a000 r5:c5d5b400 r4:00000000

 3012 18:44:50.484837  # [   87.247136] [<c0599580>] (vfs_write) from [<c0599c20>] (ksys_write+0x74/0xec)

 3013 18:44:50.490971  # [   87.254546]  r10:00000004 r9:00000000 r8:00000000 r7:b6e4a000 r6:c5c28000 r5:c5d5b400

 3014 18:44:50.493103  # [   87.262642]  r4:c5d5b400

 3015 18:44:50.502162  # [   87.265451] [<c0599bac>] (ksys_write) from [<c0599cb0>] (sys_write+0x18/0x1c)

 3016 18:44:50.507829  # [   87.272860]  r9:c5c28000 r8:c03002e4 r7:00000004 r6:b6f91e00 r5:0000000c r4:0000000c

 3017 18:44:50.516356  # [   87.280882] [<c0599c98>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 3018 18:44:50.521948  # [   87.288721] Exception stack(0xc5c29fa8 to 0xc5c29ff0)

 3019 18:44:50.530414  # [   87.294045] 9fa0:                   0000000c 0000000c 00000001 b6e4a000 0000000c 00000000

 3020 18:44:50.538930  # [   87.302497] 9fc0: 0000000c 0000000c b6f91e00 00000004 00000001 00000000 00020000 bee46a64

 3021 18:44:50.543929  # [   87.310945] 9fe0: 00000004 bee46798 b6efc4cf b6e827e6

 3022 18:44:50.611003  # [   87.316272] Code: e30d0860 e34c01ac e1a01004 ebffd402 (e5945000) 

 3023 18:44:50.611498  # [   87.322716] ---[ end trace 6556776c6b5d5069 ]---

 3024 18:44:50.612356  # ACCESS_NULL: missing 'call trace:': [FAIL]

 3025 18:44:50.612816  not ok 38 selftests: lkdtm: ACCESS_NULL.sh # exit=1

 3026 18:44:50.613196  # selftests: lkdtm: WRITE_RO.sh

 3027 18:44:50.613562  <6>[   87.915315] lkdtm: Performing direct entry WRITE_RO

 3028 18:44:50.613927  <6>[   87.920508] lkdtm: attempting bad rodata write at c15e8b7c

 3029 18:44:50.614287  <1>[   87.926383] 8<--- cut here ---

 3030 18:44:50.614702  <1>[   87.929712] Unable to handle kernel paging request at virtual address c15e8b7c

 3031 18:44:50.615094  <1>[   87.937205] pgd = 35aa4383

 3032 18:44:50.615504  <1>[   87.940182] [c15e8b7c] *pgd=1141941e(bad)

 3033 18:44:50.615914  <0>[   87.944482] Internal error: Oops: 80d [#12] SMP ARM

 3034 18:44:50.635972  <4>[   87.949632] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3

 3035 18:44:50.645832  <4>[   87.978971] CPU: 3 PID: 2372 Comm: cat Tainted: G      D W         5.10.170-cip27 #1

 3036 18:44:50.651311  <4>[   87.986982] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 3037 18:44:50.657445  <4>[   87.993793] PC is at lkdtm_WRITE_RO+0x44/0x50

 3038 18:44:50.661190  <4>[   87.998433] LR is at __irq_work_queue_local+0x40/0x74

 3039 18:44:50.667279  <4>[   88.003755] pc : [<c135c5cc>]    lr : [<c049c4f0>]    psr: 600e0013

 3040 18:44:50.674046  <4>[   88.010290] sp : c5a51e50  ip : c5a51d58  fp : c5a51e64

 3041 18:44:50.676911  <4>[   88.015783] r10: 00000009  r9 : c1acc95c  r8 : c15e88e4

 3042 18:44:50.685743  <4>[   88.021277] r7 : c5a51f60  r6 : 00000009  r5 : c69eb000  r4 : c15e8b7c

 3043 18:44:50.692143  <4>[   88.028072] r3 : 0198b861  r2 : aa55aa55  r1 : ef7c05e0  r0 : c1acd760

 3044 18:44:50.698193  <4>[   88.034870] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 3045 18:44:50.704234  <4>[   88.042274] Control: 10c5387d  Table: 16ee404a  DAC: 00000051

 3046 18:44:50.711159  <0>[   88.048289] Process cat (pid: 2372, stack limit = 0xeb342bcd)

 3047 18:44:50.715581  <0>[   88.054305] Stack: (0xc5a51e50 to 0xc5a52000)

 3048 18:44:50.723031  <0>[   88.058937] 1e40:                                     00000028 c69eb000 c5a51e74 c5a51e68

 3049 18:44:50.731417  <0>[   88.067388] 1e60: c0c35320 c135c594 c5a51e9c c5a51e78 c0c35820 c0c35300 c0c35700 c5abbe00

 3050 18:44:50.741105  <0>[   88.075839] 1e80: b6e87000 00000009 c50fdd80 c5a51f60 c5a51ec4 c5a51ea0 c07e184c c0c3570c

 3051 18:44:50.748271  <0>[   88.084290] 1ea0: 00000000 c5abbe00 b6e87000 c2815800 c5a51f60 c07e17e8 c5a51f5c c5a51ec8

 3052 18:44:50.758431  <0>[   88.092740] 1ec0: c059968c c07e17f4 00000001 00000000 c0599c20 c1371d70 c0599c20 c5a50000

 3053 18:44:50.767581  <0>[   88.101189] 1ee0: b6e87000 00020000 00000004 00000009 0001fff7 c5a51ee0 00000001 b6e86000

 3054 18:44:50.773776  <0>[   88.109639] 1f00: c5d5af00 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 3055 18:44:50.784477  <0>[   88.118090] 1f20: 00000000 00000000 c1371d70 f536c42c c205c880 c5abbe00 c5abbe00 c5a50000

 3056 18:44:50.792679  <0>[   88.126542] 1f40: b6e87000 00000000 00000000 00000004 c5a51f94 c5a51f60 c0599c20 c059958c

 3057 18:44:50.799202  <0>[   88.134993] 1f60: 00000000 00000000 c5a51fac f536c42c 00000009 00000009 b6fcee00 00000004

 3058 18:44:50.808889  <0>[   88.143444] 1f80: c03002e4 c5a50000 c5a51fa4 c5a51f98 c0599cb0 c0599bb8 00000000 c5a51fa8

 3059 18:44:50.817906  <0>[   88.151895] 1fa0: c03000c0 c0599ca4 00000009 00000009 00000001 b6e87000 00000009 00000000

 3060 18:44:50.825161  <0>[   88.160346] 1fc0: 00000009 00000009 b6fcee00 00000004 00000001 00000000 00020000 be83ca64

 3061 18:44:50.833892  <0>[   88.168796] 1fe0: 00000004 be83c798 b6f394cf b6ebf7e6 800e0030 00000001 00000000 00000000

 3062 18:44:50.835992  <0>[   88.177239] Backtrace: 

 3063 18:44:50.846306  <0>[   88.179977] [<c135c588>] (lkdtm_WRITE_RO) from [<c0c35320>] (lkdtm_do_action+0x2c/0x4c)

 3064 18:44:50.849145  <0>[   88.188251]  r5:c69eb000 r4:00000028

 3065 18:44:50.856133  <0>[   88.192101] [<c0c352f4>] (lkdtm_do_action) from [<c0c35820>] (direct_entry+0x120/0x18c)

 3066 18:44:50.864918  <0>[   88.200386] [<c0c35700>] (direct_entry) from [<c07e184c>] (full_proxy_write+0x64/0x94)

 3067 18:44:50.872157  <0>[   88.208577]  r9:c5a51f60 r8:c50fdd80 r7:00000009 r6:b6e87000 r5:c5abbe00 r4:c0c35700

 3068 18:44:50.882537  <0>[   88.216600] [<c07e17e8>] (full_proxy_write) from [<c059968c>] (vfs_write+0x10c/0x524)

 3069 18:44:50.889915  <0>[   88.224703]  r9:c07e17e8 r8:c5a51f60 r7:c2815800 r6:b6e87000 r5:c5abbe00 r4:00000000

 3070 18:44:50.896216  <0>[   88.232720] [<c0599580>] (vfs_write) from [<c0599c20>] (ksys_write+0x74/0xec)

 3071 18:44:50.904060  <0>[   88.240128]  r10:00000004 r9:00000000 r8:00000000 r7:b6e87000 r6:c5a50000 r5:c5abbe00

 3072 18:44:50.907141  <0>[   88.248226]  r4:c5abbe00

 3073 18:44:50.914292  <0>[   88.251035] [<c0599bac>] (ksys_write) from [<c0599cb0>] (sys_write+0x18/0x1c)

 3074 18:44:50.922132  <0>[   88.258443]  r9:c5a50000 r8:c03002e4 r7:00000004 r6:b6fcee00 r5:00000009 r4:00000009

 3075 18:44:50.929997  <0>[   88.266464] [<c0599c98>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 3076 18:44:50.935303  <0>[   88.274302] Exception stack(0xc5a51fa8 to 0xc5a51ff0)

 3077 18:44:50.944942  <0>[   88.279626] 1fa0:                   00000009 00000009 00000001 b6e87000 00000009 00000000

 3078 18:44:50.953093  <0>[   88.288079] 1fc0: 00000009 00000009 b6fcee00 00000004 00000001 00000000 00020000 be83ca64

 3079 18:44:50.960071  <0>[   88.296526] 1fe0: 00000004 be83c798 b6f394cf b6ebf7e6

 3080 18:44:50.964296  <0>[   88.301852] Code: e34a3bcd e30d0760 e34c01ac e0233002 (e5843000) 

 3081 18:44:50.968993  <4>[   88.308221] ---[ end trace 6556776c6b5d506a ]---

 3082 18:44:50.973820  # Segmentation fault

 3083 18:44:51.113559  # [   87.915315] lkdtm: Performing direct entry WRITE_RO

 3084 18:44:51.117629  # [   87.920508] lkdtm: attempting bad rodata write at c15e8b7c

 3085 18:44:51.123248  # [   87.926383] 8<--- cut here ---

 3086 18:44:51.128062  # [   87.929712] Unable to handle kernel paging request at virtual address c15e8b7c

 3087 18:44:51.130903  # [   87.937205] pgd = 35aa4383

 3088 18:44:51.138244  # [   87.940182] [c15e8b7c] *pgd=1141941e(bad)

 3089 18:44:51.145585  # [   87.944482] Internal error: Oops: 80d [#12] SMP ARM

 3090 18:44:51.170539  # [   87.949632] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3

 3091 18:44:51.176787  # [   87.978971] CPU: 3 PID: 2372 Comm: cat Tainted: G      D W         5.10.170-cip27 #1

 3092 18:44:51.185651  # [   87.986982] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 3093 18:44:51.190596  # [   87.993793] PC is at lkdtm_WRITE_RO+0x44/0x50

 3094 18:44:51.195292  # [   87.998433] LR is at __irq_work_queue_local+0x40/0x74

 3095 18:44:51.201701  # [   88.003755] pc : [<c135c5cc>]    lr : [<c049c4f0>]    psr: 600e0013

 3096 18:44:51.207250  # [   88.010290] sp : c5a51e50  ip : c5a51d58  fp : c5a51e64

 3097 18:44:51.211746  # [   88.015783] r10: 00000009  r9 : c1acc95c  r8 : c15e88e4

 3098 18:44:51.218339  # [   88.021277] r7 : c5a51f60  r6 : 00000009  r5 : c69eb000  r4 : c15e8b7c

 3099 18:44:51.224775  # [   88.028072] r3 : 0198b861  r2 : aa55aa55  r1 : ef7c05e0  r0 : c1acd760

 3100 18:44:51.233541  # [   88.034870] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 3101 18:44:51.239710  # [   88.042274] Control: 10c5387d  Table: 16ee404a  DAC: 00000051

 3102 18:44:51.243212  # [   88.048289] Process cat (pid: 2372, stack limit = 0xeb342bcd)

 3103 18:44:51.251225  # [   88.054305] Stack: (0xc5a51e50 to 0xc5a52000)

 3104 18:44:51.258606  # [   88.058937] 1e40:                                     00000028 c69eb000 c5a51e74 c5a51e68

 3105 18:44:51.264579  # [   88.067388] 1e60: c0c35320 c135c594 c5a51e9c c5a51e78 c0c35820 c0c35300 c0c35700 c5abbe00

 3106 18:44:51.272893  # [   88.075839] 1e80: b6e87000 00000009 c50fdd80 c5a51f60 c5a51ec4 c5a51ea0 c07e184c c0c3570c

 3107 18:44:51.282535  # [   88.084290] 1ea0: 00000000 c5abbe00 b6e87000 c2815800 c5a51f60 c07e17e8 c5a51f5c c5a51ec8

 3108 18:44:51.290104  # [   88.092740] 1ec0: c059968c c07e17f4 00000001 00000000 c0599c20 c1371d70 c0599c20 c5a50000

 3109 18:44:51.298539  # [   88.101189] 1ee0: b6e87000 00020000 00000004 00000009 0001fff7 c5a51ee0 00000001 b6e86000

 3110 18:44:51.305608  # [   88.109639] 1f00: c5d5af00 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 3111 18:44:51.314730  # [   88.118090] 1f20: 00000000 00000000 c1371d70 f536c42c c205c880 c5abbe00 c5abbe00 c5a50000

 3112 18:44:51.323480  # [   88.126542] 1f40: b6e87000 00000000 00000000 00000004 c5a51f94 c5a51f60 c0599c20 c059958c

 3113 18:44:51.330835  # [   88.134993] 1f60: 00000000 00000000 c5a51fac f536c42c 00000009 00000009 b6fcee00 00000004

 3114 18:44:51.339758  # [   88.143444] 1f80: c03002e4 c5a50000 c5a51fa4 c5a51f98 c0599cb0 c0599bb8 00000000 c5a51fa8

 3115 18:44:51.347826  # [   88.151895] 1fa0: c03000c0 c0599ca4 00000009 00000009 00000001 b6e87000 00000009 00000000

 3116 18:44:51.357718  # [   88.160346] 1fc0: 00000009 00000009 b6fcee00 00000004 00000001 00000000 00020000 be83ca64

 3117 18:44:51.364221  # [   88.168796] 1fe0: 00000004 be83c798 b6f394cf b6ebf7e6 800e0030 00000001 00000000 00000000

 3118 18:44:51.367391  # [   88.177239] Backtrace: 

 3119 18:44:51.375993  # [   88.179977] [<c135c588>] (lkdtm_WRITE_RO) from [<c0c35320>] (lkdtm_do_action+0x2c/0x4c)

 3120 18:44:51.381135  # [   88.188251]  r5:c69eb000 r4:00000028

 3121 18:44:51.388334  # [   88.192101] [<c0c352f4>] (lkdtm_do_action) from [<c0c35820>] (direct_entry+0x120/0x18c)

 3122 18:44:51.395956  # [   88.200386] [<c0c35700>] (direct_entry) from [<c07e184c>] (full_proxy_write+0x64/0x94)

 3123 18:44:51.403824  # [   88.208577]  r9:c5a51f60 r8:c50fdd80 r7:00000009 r6:b6e87000 r5:c5abbe00 r4:c0c35700

 3124 18:44:51.410916  # [   88.216600] [<c07e17e8>] (full_proxy_write) from [<c059968c>] (vfs_write+0x10c/0x524)

 3125 18:44:51.421455  # [   88.224703]  r9:c07e17e8 r8:c5a51f60 r7:c2815800 r6:b6e87000 r5:c5abbe00 r4:00000000

 3126 18:44:51.426932  # [   88.232720] [<c0599580>] (vfs_write) from [<c0599c20>] (ksys_write+0x74/0xec)

 3127 18:44:51.436400  # [   88.240128]  r10:00000004 r9:00000000 r8:00000000 r7:b6e87000 r6:c5a50000 r5:c5abbe00

 3128 18:44:51.441252  # [   88.248226]  r4:c5abbe00

 3129 18:44:51.448552  # [   88.251035] [<c0599bac>] (ksys_write) from [<c0599cb0>] (sys_write+0x18/0x1c)

 3130 18:44:51.452893  # [   88.258443]  r9:c5a50000 r8:c03002e4 r7:00000004 r6:b6fcee00 r5:00000009 r4:00000009

 3131 18:44:51.461236  # [   88.266464] [<c0599c98>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 3132 18:44:51.464908  # [   88.274302] Exception stack(0xc5a51fa8 to 0xc5a51ff0)

 3133 18:44:51.474940  # [   88.279626] 1fa0:                   00000009 00000009 00000001 b6e87000 00000009 00000000

 3134 18:44:51.482184  # [   88.288079] 1fc0: 00000009 00000009 b6fcee00 00000004 00000001 00000000 00020000 be83ca64

 3135 18:44:51.489034  # [   88.296526] 1fe0: 00000004 be83c798 b6f394cf b6ebf7e6

 3136 18:44:51.493764  # [   88.301852] Code: e34a3bcd e30d0760 e34c01ac e0233002 (e5843000) 

 3137 18:44:51.497986  # [   88.308221] ---[ end trace 6556776c6b5d506a ]---

 3138 18:44:51.502370  # WRITE_RO: missing 'call trace:': [FAIL]

 3139 18:44:51.506793  not ok 39 selftests: lkdtm: WRITE_RO.sh # exit=1

 3140 18:44:51.509748  # selftests: lkdtm: WRITE_RO_AFTER_INIT.sh

 3141 18:44:51.537619  <6>[   88.874042] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT

 3142 18:44:51.544987  <6>[   88.880164] lkdtm: attempting bad ro_after_init write at c1b7ec60

 3143 18:44:51.546796  <1>[   88.886638] 8<--- cut here ---

 3144 18:44:51.553933  <1>[   88.889967] Unable to handle kernel paging request at virtual address c1b7ec60

 3145 18:44:51.556632  <1>[   88.897461] pgd = 2407fc2f

 3146 18:44:51.561876  <1>[   88.900439] [c1b7ec60] *pgd=11a1941e(bad)

 3147 18:44:51.565439  <0>[   88.904736] Internal error: Oops: 80d [#13] SMP ARM

 3148 18:44:51.596478  <4>[   88.909887] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3

 3149 18:44:51.603891  <4>[   88.939226] CPU: 3 PID: 2446 Comm: cat Tainted: G      D W         5.10.170-cip27 #1

 3150 18:44:51.611536  <4>[   88.947239] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 3151 18:44:51.615168  <4>[   88.954051] PC is at lkdtm_WRITE_RO_AFTER_INIT+0x64/0x70

 3152 18:44:51.625137  <4>[   88.959645] LR is at __irq_work_queue_local+0x40/0x74

 3153 18:44:51.628481  <4>[   88.964966] pc : [<c135c63c>]    lr : [<c049c4f0>]    psr: 600e0013

 3154 18:44:51.634125  <4>[   88.971502] sp : c5ba1e50  ip : c5ba1d58  fp : c5ba1e64

 3155 18:44:51.641075  <4>[   88.976997] r10: 00000014  r9 : c1acc968  r8 : c15e88e4

 3156 18:44:51.646510  <4>[   88.982490] r7 : c5ba1f60  r6 : 00000014  r5 : c69ed000  r4 : c1b7ec60

 3157 18:44:51.652106  <4>[   88.989286] r3 : fe67479e  r2 : 55aa55aa  r1 : ef7c05e0  r0 : c1acd760

 3158 18:44:51.659449  <4>[   88.996083] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 3159 18:44:51.668963  <4>[   89.003489] Control: 10c5387d  Table: 16e3404a  DAC: 00000051

 3160 18:44:51.671979  <0>[   89.009504] Process cat (pid: 2446, stack limit = 0xc276c28f)

 3161 18:44:51.676749  <0>[   89.015519] Stack: (0xc5ba1e50 to 0xc5ba2000)

 3162 18:44:51.684209  <0>[   89.020150] 1e40:                                     00000029 c69ed000 c5ba1e74 c5ba1e68

 3163 18:44:51.693732  <0>[   89.028602] 1e60: c0c35320 c135c5e4 c5ba1e9c c5ba1e78 c0c35820 c0c35300 c0c35700 c5d5b400

 3164 18:44:51.704437  <0>[   89.037052] 1e80: b6e0b000 00000014 c50fdd80 c5ba1f60 c5ba1ec4 c5ba1ea0 c07e184c c0c3570c

 3165 18:44:51.710091  <0>[   89.045503] 1ea0: 00000000 c5d5b400 b6e0b000 c2815800 c5ba1f60 c07e17e8 c5ba1f5c c5ba1ec8

 3166 18:44:51.720591  <0>[   89.053952] 1ec0: c059968c c07e17f4 00000001 00000000 c0599c20 c1371d70 c0599c20 c5ba0000

 3167 18:44:51.729057  <0>[   89.062404] 1ee0: b6e0b000 00020000 00000004 00000014 0001ffec c5ba1ee0 00000001 b6e0a000

 3168 18:44:51.735192  <0>[   89.070854] 1f00: c2feaa00 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 3169 18:44:51.743512  <0>[   89.079303] 1f20: 00000000 00000000 c1371d70 c35e0566 c205c880 c5d5b400 c5d5b400 c5ba0000

 3170 18:44:51.753104  <0>[   89.087753] 1f40: b6e0b000 00000000 00000000 00000004 c5ba1f94 c5ba1f60 c0599c20 c059958c

 3171 18:44:51.761770  <0>[   89.096204] 1f60: 00000000 00000000 c5ba1fac c35e0566 00000014 00000014 b6f52e00 00000004

 3172 18:44:51.770519  <0>[   89.104654] 1f80: c03002e4 c5ba0000 c5ba1fa4 c5ba1f98 c0599cb0 c0599bb8 00000000 c5ba1fa8

 3173 18:44:51.779016  <0>[   89.113105] 1fa0: c03000c0 c0599ca4 00000014 00000014 00000001 b6e0b000 00000014 00000000

 3174 18:44:51.787591  <0>[   89.121555] 1fc0: 00000014 00000014 b6f52e00 00000004 00000001 00000000 00020000 beb67a64

 3175 18:44:51.794148  <0>[   89.130005] 1fe0: 00000004 beb67798 b6ebd4cf b6e437e6 800e0030 00000001 00000000 00000000

 3176 18:44:51.797887  <0>[   89.138447] Backtrace: 

 3177 18:44:51.808732  <0>[   89.141184] [<c135c5d8>] (lkdtm_WRITE_RO_AFTER_INIT) from [<c0c35320>] (lkdtm_do_action+0x2c/0x4c)

 3178 18:44:51.809790  <0>[   89.150415]  r5:c69ed000 r4:00000029

 3179 18:44:51.820174  <0>[   89.154267] [<c0c352f4>] (lkdtm_do_action) from [<c0c35820>] (direct_entry+0x120/0x18c)

 3180 18:44:51.828030  <0>[   89.162553] [<c0c35700>] (direct_entry) from [<c07e184c>] (full_proxy_write+0x64/0x94)

 3181 18:44:51.835490  <0>[   89.170745]  r9:c5ba1f60 r8:c50fdd80 r7:00000014 r6:b6e0b000 r5:c5d5b400 r4:c0c35700

 3182 18:44:51.843432  <0>[   89.178769] [<c07e17e8>] (full_proxy_write) from [<c059968c>] (vfs_write+0x10c/0x524)

 3183 18:44:51.851135  <0>[   89.186873]  r9:c07e17e8 r8:c5ba1f60 r7:c2815800 r6:b6e0b000 r5:c5d5b400 r4:00000000

 3184 18:44:51.862944  <0>[   89.194890] [<c0599580>] (vfs_write) from [<c0599c20>] (ksys_write+0x74/0xec)

 3185 18:44:51.871073  <0>[   89.202300]  r10:00000004 r9:00000000 r8:00000000 r7:b6e0b000 r6:c5ba0000 r5:c5d5b400

 3186 18:44:51.871554  <0>[   89.210398]  r4:c5d5b400

 3187 18:44:51.876153  <0>[   89.213207] [<c0599bac>] (ksys_write) from [<c0599cb0>] (sys_write+0x18/0x1c)

 3188 18:44:51.884872  <0>[   89.220615]  r9:c5ba0000 r8:c03002e4 r7:00000004 r6:b6f52e00 r5:00000014 r4:00000014

 3189 18:44:51.891958  <0>[   89.228635] [<c0599c98>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 3190 18:44:51.897819  <0>[   89.236474] Exception stack(0xc5ba1fa8 to 0xc5ba1ff0)

 3191 18:44:51.907265  <0>[   89.241800] 1fa0:                   00000014 00000014 00000001 b6e0b000 00000014 00000000

 3192 18:44:51.916137  <0>[   89.250250] 1fc0: 00000014 00000014 b6f52e00 00000004 00000001 00000000 00020000 beb67a64

 3193 18:44:51.920908  <0>[   89.258697] 1fe0: 00000004 beb67798 b6ebd4cf b6e437e6

 3194 18:44:51.926929  <0>[   89.264023] Code: e34a3bcd e30d0760 e34c01ac e0233002 (e5843000) 

 3195 18:44:51.931755  <4>[   89.270392] ---[ end trace 6556776c6b5d506b ]---

 3196 18:44:51.936097  # Segmentation fault

 3197 18:44:52.049987  # [   88.874042] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT

 3198 18:44:52.054848  # [   88.880164] lkdtm: attempting bad ro_after_init write at c1b7ec60

 3199 18:44:52.059830  # [   88.886638] 8<--- cut here ---

 3200 18:44:52.065918  # [   88.889967] Unable to handle kernel paging request at virtual address c1b7ec60

 3201 18:44:52.068974  # [   88.897461] pgd = 2407fc2f

 3202 18:44:52.074626  # [   88.900439] [c1b7ec60] *pgd=11a1941e(bad)

 3203 18:44:52.077924  # [   88.904736] Internal error: Oops: 80d [#13] SMP ARM

 3204 18:44:52.106895  # [   88.909887] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3

 3205 18:44:52.114890  # [   88.939226] CPU: 3 PID: 2446 Comm: cat Tainted: G      D W         5.10.170-cip27 #1

 3206 18:44:52.121321  # [   88.947239] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 3207 18:44:52.125808  # [   88.954051] PC is at lkdtm_WRITE_RO_AFTER_INIT+0x64/0x70

 3208 18:44:52.131683  # [   88.959645] LR is at __irq_work_queue_local+0x40/0x74

 3209 18:44:52.138887  # [   88.964966] pc : [<c135c63c>]    lr : [<c049c4f0>]    psr: 600e0013

 3210 18:44:52.143657  # [   88.971502] sp : c5ba1e50  ip : c5ba1d58  fp : c5ba1e64

 3211 18:44:52.149990  # [   88.976997] r10: 00000014  r9 : c1acc968  r8 : c15e88e4

 3212 18:44:52.155401  # [   88.982490] r7 : c5ba1f60  r6 : 00000014  r5 : c69ed000  r4 : c1b7ec60

 3213 18:44:52.162374  # [   88.989286] r3 : fe67479e  r2 : 55aa55aa  r1 : ef7c05e0  r0 : c1acd760

 3214 18:44:52.170208  # [   88.996083] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 3215 18:44:52.175121  # [   89.003489] Control: 10c5387d  Table: 16e3404a  DAC: 00000051

 3216 18:44:52.181941  # [   89.009504] Process cat (pid: 2446, stack limit = 0xc276c28f)

 3217 18:44:52.185644  # [   89.015519] Stack: (0xc5ba1e50 to 0xc5ba2000)

 3218 18:44:52.194382  # [   89.020150] 1e40:                                     00000029 c69ed000 c5ba1e74 c5ba1e68

 3219 18:44:52.205399  # [   89.028602] 1e60: c0c35320 c135c5e4 c5ba1e9c c5ba1e78 c0c35820 c0c35300 c0c35700 c5d5b400

 3220 18:44:52.212181  # [   89.037052] 1e80: b6e0b000 00000014 c50fdd80 c5ba1f60 c5ba1ec4 c5ba1ea0 c07e184c c0c3570c

 3221 18:44:52.220737  # [   89.045503] 1ea0: 00000000 c5d5b400 b6e0b000 c2815800 c5ba1f60 c07e17e8 c5ba1f5c c5ba1ec8

 3222 18:44:52.230666  # [   89.053952] 1ec0: c059968c c07e17f4 00000001 00000000 c0599c20 c1371d70 c0599c20 c5ba0000

 3223 18:44:52.235732  # [   89.062404] 1ee0: b6e0b000 00020000 00000004 00000014 0001ffec c5ba1ee0 00000001 b6e0a000

 3224 18:44:52.244587  # [   89.070854] 1f00: c2feaa00 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 3225 18:44:52.253993  # [   89.079303] 1f20: 00000000 00000000 c1371d70 c35e0566 c205c880 c5d5b400 c5d5b400 c5ba0000

 3226 18:44:52.260715  # [   89.087753] 1f40: b6e0b000 00000000 00000000 00000004 c5ba1f94 c5ba1f60 c0599c20 c059958c

 3227 18:44:52.269743  # [   89.096204] 1f60: 00000000 00000000 c5ba1fac c35e0566 00000014 00000014 b6f52e00 00000004

 3228 18:44:52.278123  # [   89.104654] 1f80: c03002e4 c5ba0000 c5ba1fa4 c5ba1f98 c0599cb0 c0599bb8 00000000 c5ba1fa8

 3229 18:44:52.285890  # [   89.113105] 1fa0: c03000c0 c0599ca4 00000014 00000014 00000001 b6e0b000 00000014 00000000

 3230 18:44:52.294190  # [   89.121555] 1fc0: 00000014 00000014 b6f52e00 00000004 00000001 00000000 00020000 beb67a64

 3231 18:44:52.304908  # [   89.130005] 1fe0: 00000004 beb67798 b6ebd4cf b6e437e6 800e0030 00000001 00000000 00000000

 3232 18:44:52.305720  # [   89.138447] Backtrace: 

 3233 18:44:52.315547  # [   89.141184] [<c135c5d8>] (lkdtm_WRITE_RO_AFTER_INIT) from [<c0c35320>] (lkdtm_do_action+0x2c/0x4c)

 3234 18:44:52.317403  # [   89.150415]  r5:c69ed000 r4:00000029

 3235 18:44:52.327912  # [   89.154267] [<c0c352f4>] (lkdtm_do_action) from [<c0c35820>] (direct_entry+0x120/0x18c)

 3236 18:44:52.334874  # [   89.162553] [<c0c35700>] (direct_entry) from [<c07e184c>] (full_proxy_write+0x64/0x94)

 3237 18:44:52.343477  # [   89.170745]  r9:c5ba1f60 r8:c50fdd80 r7:00000014 r6:b6e0b000 r5:c5d5b400 r4:c0c35700

 3238 18:44:52.355008  # [   89.178769] [<c07e17e8>] (full_proxy_write) from [<c059968c>] (vfs_write+0x10c/0x524)

 3239 18:44:52.358210  # [   89.186873]  r9:c07e17e8 r8:c5ba1f60 r7:c2815800 r6:b6e0b000 r5:c5d5b400 r4:00000000

 3240 18:44:52.367439  # [   89.194890] [<c0599580>] (vfs_write) from [<c0599c20>] (ksys_write+0x74/0xec)

 3241 18:44:52.374470  # [   89.202300]  r10:00000004 r9:00000000 r8:00000000 r7:b6e0b000 r6:c5ba0000 r5:c5d5b400

 3242 18:44:52.376346  # [   89.210398]  r4:c5d5b400

 3243 18:44:52.384055  # [   89.213207] [<c0599bac>] (ksys_write) from [<c0599cb0>] (sys_write+0x18/0x1c)

 3244 18:44:52.390763  # [   89.220615]  r9:c5ba0000 r8:c03002e4 r7:00000004 r6:b6f52e00 r5:00000014 r4:00000014

 3245 18:44:52.399166  # [   89.228635] [<c0599c98>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 3246 18:44:52.405667  # [   89.236474] Exception stack(0xc5ba1fa8 to 0xc5ba1ff0)

 3247 18:44:52.415926  # [   89.241800] 1fa0:                   00000014 00000014 00000001 b6e0b000 00000014 00000000

 3248 18:44:52.422376  # [   89.250250] 1fc0: 00000014 00000014 b6f52e00 00000004 00000001 00000000 00020000 beb67a64

 3249 18:44:52.428204  # [   89.258697] 1fe0: 00000004 beb67798 b6ebd4cf b6e437e6

 3250 18:44:52.434938  # [   89.264023] Code: e34a3bcd e30d0760 e34c01ac e0233002 (e5843000) 

 3251 18:44:52.438170  # [   89.270392] ---[ end trace 6556776c6b5d506b ]---

 3252 18:44:52.442129  # WRITE_RO_AFTER_INIT: missing 'call trace:': [FAIL]

 3253 18:44:52.448882  not ok 40 selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # exit=1

 3254 18:44:52.450229  # selftests: lkdtm: WRITE_KERN.sh

 3255 18:44:52.520608  <6>[   89.856661] lkdtm: Performing direct entry WRITE_KERN

 3256 18:44:52.524076  <6>[   89.862110] lkdtm: attempting bad 7496736 byte write at c135c4b0

 3257 18:44:52.527356  <1>[   89.868426] 8<--- cut here ---

 3258 18:44:52.537289  <1>[   89.871766] Unable to handle kernel paging request at virtual address c135c4b0

 3259 18:44:52.540728  <1>[   89.879266] pgd = 26188080

 3260 18:44:52.545338  <1>[   89.882241] [c135c4b0] *pgd=1121940e(bad)

 3261 18:44:52.547036  <0>[   89.886540] Internal error: Oops: 80d [#14] SMP ARM

 3262 18:44:52.579189  <4>[   89.891687] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3

 3263 18:44:52.586804  <4>[   89.921024] CPU: 1 PID: 2520 Comm: cat Tainted: G      D W         5.10.170-cip27 #1

 3264 18:44:52.593229  <4>[   89.929037] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 3265 18:44:52.597433  <4>[   89.935843] PC is at memcpy+0x50/0x330

 3266 18:44:52.599377  <4>[   89.939864] LR is at 0xe92dd830

 3267 18:44:52.605837  <4>[   89.943277] pc : [<c08d3930>]    lr : [<e92dd830>]    psr: 200e0013

 3268 18:44:52.612550  <4>[   89.949815] sp : c6ab7e2c  ip : e1a0c00d  fp : c6ab7e64

 3269 18:44:52.618236  <4>[   89.955310] r10: 0000000b  r9 : c1acc97c  r8 : e89da800

 3270 18:44:52.624014  <4>[   89.960804] r7 : e8bd4000  r6 : e52de004  r5 : e24cb004  r4 : e92dd800

 3271 18:44:52.630606  <4>[   89.967598] r3 : e1a0c00d  r2 : 00726380  r1 : c0c360b0  r0 : c135c4b0

 3272 18:44:52.638348  <4>[   89.974397] Flags: nzCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 3273 18:44:52.645115  <4>[   89.981801] Control: 10c5387d  Table: 16d8004a  DAC: 00000051

 3274 18:44:52.653630  <0>[   89.987816] Process cat (pid: 2520, stack limit = 0x3f970bf6)

 3275 18:44:52.654650  <0>[   89.993832] Stack: (0xc6ab7e2c to 0xc6ab8000)

 3276 18:44:52.663575  <0>[   89.998464] 7e20:                            c0c36090 00726420 c6ab7f60 c15e88e4 c135c4b0

 3277 18:44:52.673103  <0>[   90.006918] 7e40: c135c4b0 c135c694 0000002a c6b1d000 0000000b c6ab7f60 c6ab7e74 c6ab7e68

 3278 18:44:52.679870  <0>[   90.015369] 7e60: c0c35320 c135c654 c6ab7e9c c6ab7e78 c0c35820 c0c35300 c0c35700 c5a87900

 3279 18:44:52.691042  <0>[   90.023818] 7e80: b6eb0000 0000000b c50fdd80 c6ab7f60 c6ab7ec4 c6ab7ea0 c07e184c c0c3570c

 3280 18:44:52.696878  <0>[   90.032269] 7ea0: 00000000 c5a87900 b6eb0000 c2815800 c6ab7f60 c07e17e8 c6ab7f5c c6ab7ec8

 3281 18:44:52.706355  <0>[   90.040720] 7ec0: c059968c c07e17f4 00000001 00000000 c0599c20 c1371d70 c0599c20 c6ab6000

 3282 18:44:52.714090  <0>[   90.049172] 7ee0: b6eb0000 00020000 00000004 0000000b 0001fff5 c6ab7ee0 00000001 b6eaf000

 3283 18:44:52.722949  <0>[   90.057622] 7f00: c5d5bb80 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 3284 18:44:52.730411  <0>[   90.066073] 7f20: 00000000 00000000 c1371d70 288c8d1d c205c880 c5a87900 c5a87900 c6ab6000

 3285 18:44:52.739254  <0>[   90.074524] 7f40: b6eb0000 00000000 00000000 00000004 c6ab7f94 c6ab7f60 c0599c20 c059958c

 3286 18:44:52.748674  <0>[   90.082975] 7f60: 00000000 00000000 c6ab7fac 288c8d1d 0000000b 0000000b b6ff7e00 00000004

 3287 18:44:52.756032  <0>[   90.091426] 7f80: c03002e4 c6ab6000 c6ab7fa4 c6ab7f98 c0599cb0 c0599bb8 00000000 c6ab7fa8

 3288 18:44:52.764134  <0>[   90.099879] 7fa0: c03000c0 c0599ca4 0000000b 0000000b 00000001 b6eb0000 0000000b 00000000

 3289 18:44:52.772585  <0>[   90.108330] 7fc0: 0000000b 0000000b b6ff7e00 00000004 00000001 00000000 00020000 bed10a64

 3290 18:44:52.782178  <0>[   90.116780] 7fe0: 00000004 bed10798 b6f624cf b6ee87e6 800e0030 00000001 00000000 00000000

 3291 18:44:52.786064  <0>[   90.125222] Backtrace: 

 3292 18:44:52.794185  <0>[   90.127965] [<c135c648>] (lkdtm_WRITE_KERN) from [<c0c35320>] (lkdtm_do_action+0x2c/0x4c)

 3293 18:44:52.797893  <0>[   90.136417]  r7:c6ab7f60 r6:0000000b r5:c6b1d000 r4:0000002a

 3294 18:44:52.806184  <0>[   90.142352] [<c0c352f4>] (lkdtm_do_action) from [<c0c35820>] (direct_entry+0x120/0x18c)

 3295 18:44:52.815000  <0>[   90.150634] [<c0c35700>] (direct_entry) from [<c07e184c>] (full_proxy_write+0x64/0x94)

 3296 18:44:52.822455  <0>[   90.158825]  r9:c6ab7f60 r8:c50fdd80 r7:0000000b r6:b6eb0000 r5:c5a87900 r4:c0c35700

 3297 18:44:52.830294  <0>[   90.166847] [<c07e17e8>] (full_proxy_write) from [<c059968c>] (vfs_write+0x10c/0x524)

 3298 18:44:52.838312  <0>[   90.174949]  r9:c07e17e8 r8:c6ab7f60 r7:c2815800 r6:b6eb0000 r5:c5a87900 r4:00000000

 3299 18:44:52.847451  <0>[   90.182966] [<c0599580>] (vfs_write) from [<c0599c20>] (ksys_write+0x74/0xec)

 3300 18:44:52.854323  <0>[   90.190375]  r10:00000004 r9:00000000 r8:00000000 r7:b6eb0000 r6:c6ab6000 r5:c5a87900

 3301 18:44:52.857940  <0>[   90.198472]  r4:c5a87900

 3302 18:44:52.865868  <0>[   90.201280] [<c0599bac>] (ksys_write) from [<c0599cb0>] (sys_write+0x18/0x1c)

 3303 18:44:52.872785  <0>[   90.208688]  r9:c6ab6000 r8:c03002e4 r7:00000004 r6:b6ff7e00 r5:0000000b r4:0000000b

 3304 18:44:52.880300  <0>[   90.216709] [<c0599c98>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 3305 18:44:52.887299  <0>[   90.224546] Exception stack(0xc6ab7fa8 to 0xc6ab7ff0)

 3306 18:44:52.894987  <0>[   90.229869] 7fa0:                   0000000b 0000000b 00000001 b6eb0000 0000000b 00000000

 3307 18:44:52.903960  <0>[   90.238320] 7fc0: 0000000b 0000000b b6ff7e00 00000004 00000001 00000000 00020000 bed10a64

 3308 18:44:52.908441  <0>[   90.246767] 7fe0: 00000004 bed10798 b6f624cf b6ee87e6

 3309 18:44:52.913862  <0>[   90.252092] Code: f5d1f05c f5d1f07c e8b151f8 e2522020 (e8a051f8) 

 3310 18:44:52.918713  <4>[   90.258461] ---[ end trace 6556776c6b5d506c ]---

 3311 18:44:52.926756  # Segmentation fault

 3312 18:44:53.059429  # [   89.856661] lkdtm: Performing direct entry WRITE_KERN

 3313 18:44:53.066916  # [   89.862110] lkdtm: attempting bad 7496736 byte write at c135c4b0

 3314 18:44:53.069355  # [   89.868426] 8<--- cut here ---

 3315 18:44:53.075481  # [   89.871766] Unable to handle kernel paging request at virtual address c135c4b0

 3316 18:44:53.081239  # [   89.879266] pgd = 26188080

 3317 18:44:53.081891  # [   89.882241] [c135c4b0] *pgd=1121940e(bad)

 3318 18:44:53.086239  # [   89.886540] Internal error: Oops: 80d [#14] SMP ARM

 3319 18:44:53.117953  # [   89.891687] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3

 3320 18:44:53.125499  # [   89.921024] CPU: 1 PID: 2520 Comm: cat Tainted: G      D W         5.10.170-cip27 #1

 3321 18:44:53.131655  # [   89.929037] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 3322 18:44:53.136296  # [   89.935843] PC is at memcpy+0x50/0x330

 3323 18:44:53.137772  # [   89.939864] LR is at 0xe92dd830

 3324 18:44:53.144728  # [   89.943277] pc : [<c08d3930>]    lr : [<e92dd830>]    psr: 200e0013

 3325 18:44:53.148957  # [   89.949815] sp : c6ab7e2c  ip : e1a0c00d  fp : c6ab7e64

 3326 18:44:53.154763  # [   89.955310] r10: 0000000b  r9 : c1acc97c  r8 : e89da800

 3327 18:44:53.163014  # [   89.960804] r7 : e8bd4000  r6 : e52de004  r5 : e24cb004  r4 : e92dd800

 3328 18:44:53.168346  # [   89.967598] r3 : e1a0c00d  r2 : 00726380  r1 : c0c360b0  r0 : c135c4b0

 3329 18:44:53.174797  # [   89.974397] Flags: nzCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 3330 18:44:53.181623  # [   89.981801] Control: 10c5387d  Table: 16d8004a  DAC: 00000051

 3331 18:44:53.186806  # [   89.987816] Process cat (pid: 2520, stack limit = 0x3f970bf6)

 3332 18:44:53.192776  # [   89.993832] Stack: (0xc6ab7e2c to 0xc6ab8000)

 3333 18:44:53.199888  # [   89.998464] 7e20:                            c0c36090 00726420 c6ab7f60 c15e88e4 c135c4b0

 3334 18:44:53.208176  # [   90.006918] 7e40: c135c4b0 c135c694 0000002a c6b1d000 0000000b c6ab7f60 c6ab7e74 c6ab7e68

 3335 18:44:53.219688  # [   90.015369] 7e60: c0c35320 c135c654 c6ab7e9c c6ab7e78 c0c35820 c0c35300 c0c35700 c5a87900

 3336 18:44:53.225122  # [   90.023818] 7e80: b6eb0000 0000000b c50fdd80 c6ab7f60 c6ab7ec4 c6ab7ea0 c07e184c c0c3570c

 3337 18:44:53.235337  # [   90.032269] 7ea0: 00000000 c5a87900 b6eb0000 c2815800 c6ab7f60 c07e17e8 c6ab7f5c c6ab7ec8

 3338 18:44:53.242639  # [   90.040720] 7ec0: c059968c c07e17f4 00000001 00000000 c0599c20 c1371d70 c0599c20 c6ab6000

 3339 18:44:53.250067  # [   90.049172] 7ee0: b6eb0000 00020000 00000004 0000000b 0001fff5 c6ab7ee0 00000001 b6eaf000

 3340 18:44:53.260010  # [   90.057622] 7f00: c5d5bb80 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 3341 18:44:53.266729  # [   90.066073] 7f20: 00000000 00000000 c1371d70 288c8d1d c205c880 c5a87900 c5a87900 c6ab6000

 3342 18:44:53.275127  # [   90.074524] 7f40: b6eb0000 00000000 00000000 00000004 c6ab7f94 c6ab7f60 c0599c20 c059958c

 3343 18:44:53.283702  # [   90.082975] 7f60: 00000000 00000000 c6ab7fac 288c8d1d 0000000b 0000000b b6ff7e00 00000004

 3344 18:44:53.291864  # [   90.091426] 7f80: c03002e4 c6ab6000 c6ab7fa4 c6ab7f98 c0599cb0 c0599bb8 00000000 c6ab7fa8

 3345 18:44:53.302046  # [   90.099879] 7fa0: c03000c0 c0599ca4 0000000b 0000000b 00000001 b6eb0000 0000000b 00000000

 3346 18:44:53.311378  # [   90.108330] 7fc0: 0000000b 0000000b b6ff7e00 00000004 00000001 00000000 00020000 bed10a64

 3347 18:44:53.317892  # [   90.116780] 7fe0: 00000004 bed10798 b6f624cf b6ee87e6 800e0030 00000001 00000000 00000000

 3348 18:44:53.321373  # [   90.125222] Backtrace: 

 3349 18:44:53.328440  # [   90.127965] [<c135c648>] (lkdtm_WRITE_KERN) from [<c0c35320>] (lkdtm_do_action+0x2c/0x4c)

 3350 18:44:53.333302  # [   90.136417]  r7:c6ab7f60 r6:0000000b r5:c6b1d000 r4:0000002a

 3351 18:44:53.343027  # [   90.142352] [<c0c352f4>] (lkdtm_do_action) from [<c0c35820>] (direct_entry+0x120/0x18c)

 3352 18:44:53.348945  # [   90.150634] [<c0c35700>] (direct_entry) from [<c07e184c>] (full_proxy_write+0x64/0x94)

 3353 18:44:53.359976  # [   90.158825]  r9:c6ab7f60 r8:c50fdd80 r7:0000000b r6:b6eb0000 r5:c5a87900 r4:c0c35700

 3354 18:44:53.366307  # [   90.166847] [<c07e17e8>] (full_proxy_write) from [<c059968c>] (vfs_write+0x10c/0x524)

 3355 18:44:53.376023  # [   90.174949]  r9:c07e17e8 r8:c6ab7f60 r7:c2815800 r6:b6eb0000 r5:c5a87900 r4:00000000

 3356 18:44:53.381225  # [   90.182966] [<c0599580>] (vfs_write) from [<c0599c20>] (ksys_write+0x74/0xec)

 3357 18:44:53.388288  # [   90.190375]  r10:00000004 r9:00000000 r8:00000000 r7:b6eb0000 r6:c6ab6000 r5:c5a87900

 3358 18:44:53.392922  # [   90.198472]  r4:c5a87900

 3359 18:44:53.401509  # [   90.201280] [<c0599bac>] (ksys_write) from [<c0599cb0>] (sys_write+0x18/0x1c)

 3360 18:44:53.406340  # [   90.208688]  r9:c6ab6000 r8:c03002e4 r7:00000004 r6:b6ff7e00 r5:0000000b r4:0000000b

 3361 18:44:53.413993  # [   90.216709] [<c0599c98>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 3362 18:44:53.419512  # [   90.224546] Exception stack(0xc6ab7fa8 to 0xc6ab7ff0)

 3363 18:44:53.429470  # [   90.229869] 7fa0:                   0000000b 0000000b 00000001 b6eb0000 0000000b 00000000

 3364 18:44:53.436367  # [   90.238320] 7fc0: 0000000b 0000000b b6ff7e00 00000004 00000001 00000000 00020000 bed10a64

 3365 18:44:53.441953  # [   90.246767] 7fe0: 00000004 bed10798 b6f624cf b6ee87e6

 3366 18:44:53.447677  # [   90.252092] Code: f5d1f05c f5d1f07c e8b151f8 e2522020 (e8a051f8) 

 3367 18:44:53.453851  # [   90.258461] ---[ end trace 6556776c6b5d506c ]---

 3368 18:44:53.455968  # WRITE_KERN: missing 'call trace:': [FAIL]

 3369 18:44:53.460357  not ok 41 selftests: lkdtm: WRITE_KERN.sh # exit=1

 3370 18:44:53.466340  # selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh

 3371 18:44:53.472304  <6>[   90.808728] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW

 3372 18:44:53.477404  <6>[   90.815139] lkdtm: attempting good refcount_inc() without overflow

 3373 18:44:53.482858  <6>[   90.821730] lkdtm: attempting bad refcount_inc() overflow

 3374 18:44:53.489408  <4>[   90.827436] ------------[ cut here ]------------

 3375 18:44:53.497136  <4>[   90.832402] WARNING: CPU: 2 PID: 2595 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174

 3376 18:44:53.501912  <4>[   90.841161] refcount_t: saturated; leaking memory.

 3377 18:44:53.531244  <4>[   90.846228] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3

 3378 18:44:53.540336  <4>[   90.875720] CPU: 2 PID: 2595 Comm: cat Tainted: G      D W         5.10.170-cip27 #1

 3379 18:44:53.546185  <4>[   90.883734] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 3380 18:44:53.550049  <4>[   90.890531] Backtrace: 

 3381 18:44:53.557705  <4>[   90.893272] [<c134e998>] (dump_backtrace) from [<c134ed58>] (show_stack+0x20/0x24)

 3382 18:44:53.564510  <4>[   90.901117]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978

 3383 18:44:53.571545  <4>[   90.907054] [<c134ed38>] (show_stack) from [<c1355fa8>] (dump_stack+0xe0/0x100)

 3384 18:44:53.577997  <4>[   90.914644] [<c1355ec8>] (dump_stack) from [<c0356804>] (__warn+0x98/0x14c)

 3385 18:44:53.585352  <4>[   90.921882]  r9:00000009 r8:c0873d18 r7:00000016 r6:00000009 r5:c0873d18 r4:c1a20a0c

 3386 18:44:53.594084  <4>[   90.929903] [<c035676c>] (__warn) from [<c134fe90>] (warn_slowpath_fmt+0x8c/0xa8)

 3387 18:44:53.601002  <4>[   90.937655]  r7:00000016 r6:c1a20a0c r5:c1a209e4 r4:c44fa000

 3388 18:44:53.609725  <4>[   90.943590] [<c134fe08>] (warn_slowpath_fmt) from [<c0873d18>] (refcount_warn_saturate+0xd4/0x174)

 3389 18:44:53.618158  <4>[   90.952822]  r9:c1acc988 r8:c15e88e4 r7:c44fbf60 r6:00000016 r5:c6bff000 r4:c44fa000

 3390 18:44:53.626764  <4>[   90.960843] [<c0873c44>] (refcount_warn_saturate) from [<c0c363a4>] (__refcount_add.constprop.0+0x44/0x58)

 3391 18:44:53.638233  <4>[   90.970780] [<c0c36360>] (__refcount_add.constprop.0) from [<c135cac4>] (lkdtm_REFCOUNT_INC_OVERFLOW+0x78/0x9c)

 3392 18:44:53.646142  <4>[   90.981145] [<c135ca4c>] (lkdtm_REFCOUNT_INC_OVERFLOW) from [<c0c35320>] (lkdtm_do_action+0x2c/0x4c)

 3393 18:44:53.649536  <4>[   90.990547]  r4:0000002b

 3394 18:44:53.657555  <4>[   90.993357] [<c0c352f4>] (lkdtm_do_action) from [<c0c35820>] (direct_entry+0x120/0x18c)

 3395 18:44:53.667930  <4>[   91.001641] [<c0c35700>] (direct_entry) from [<c07e184c>] (full_proxy_write+0x64/0x94)

 3396 18:44:53.675335  <4>[   91.009833]  r9:c44fbf60 r8:c50fdd80 r7:00000016 r6:b6dbd000 r5:c5c4e3c0 r4:c0c35700

 3397 18:44:53.683010  <4>[   91.017857] [<c07e17e8>] (full_proxy_write) from [<c059968c>] (vfs_write+0x10c/0x524)

 3398 18:44:53.690295  <4>[   91.025961]  r9:c07e17e8 r8:c44fbf60 r7:c2815800 r6:b6dbd000 r5:c5c4e3c0 r4:00000000

 3399 18:44:53.697610  <4>[   91.033976] [<c0599580>] (vfs_write) from [<c0599c20>] (ksys_write+0x74/0xec)

 3400 18:44:53.707885  <4>[   91.041384]  r10:00000004 r9:00000000 r8:00000000 r7:b6dbd000 r6:c44fa000 r5:c5c4e3c0

 3401 18:44:53.710072  <4>[   91.049482]  r4:c5c4e3c0

 3402 18:44:53.715902  <4>[   91.052290] [<c0599bac>] (ksys_write) from [<c0599cb0>] (sys_write+0x18/0x1c)

 3403 18:44:53.725988  <4>[   91.059699]  r9:c44fa000 r8:c03002e4 r7:00000004 r6:b6f04e00 r5:00000016 r4:00000016

 3404 18:44:53.730954  <4>[   91.067719] [<c0599c98>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 3405 18:44:53.736147  <4>[   91.075558] Exception stack(0xc44fbfa8 to 0xc44fbff0)

 3406 18:44:53.746944  <4>[   91.080882] bfa0:                   00000016 00000016 00000001 b6dbd000 00000016 00000000

 3407 18:44:53.755001  <4>[   91.089332] bfc0: 00000016 00000016 b6f04e00 00000004 00000001 00000000 00020000 bea3ba64

 3408 18:44:53.758633  <4>[   91.097779] bfe0: 00000004 bea3b798 b6e6f4cf b6df57e6

 3409 18:44:53.763162  <4>[   91.103174] irq event stamp: 0

 3410 18:44:53.768228  <4>[   91.106517] hardirqs last  enabled at (0): [<00000000>] 0x0

 3411 18:44:53.776843  <4>[   91.112405] hardirqs last disabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974

 3412 18:44:53.783191  <4>[   91.120172] softirqs last  enabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974

 3413 18:44:53.789249  <4>[   91.127980] softirqs last disabled at (0): [<00000000>] 0x0

 3414 18:44:53.794802  <4>[   91.133870] ---[ end trace 6556776c6b5d506d ]---

 3415 18:44:53.799285  <6>[   91.138765] lkdtm: Overflow detected: saturated

 3416 18:44:53.917356  # [   90.808728] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW

 3417 18:44:53.924878  # [   90.815139] lkdtm: attempting good refcount_inc() without overflow

 3418 18:44:53.928493  # [   90.821730] lkdtm: attempting bad refcount_inc() overflow

 3419 18:44:53.935817  # [   90.827436] ------------[ cut here ]------------

 3420 18:44:53.943351  # [   90.832402] WARNING: CPU: 2 PID: 2595 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174

 3421 18:44:53.947301  # [   90.841161] refcount_t: saturated; leaking memory.

 3422 18:44:53.976409  # [   90.846228] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3

 3423 18:44:53.984630  # [   90.875720] CPU: 2 PID: 2595 Comm: cat Tainted: G      D W         5.10.170-cip27 #1

 3424 18:44:53.991730  # [   90.883734] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 3425 18:44:53.993210  # [   90.890531] Backtrace: 

 3426 18:44:54.002360  # [   90.893272] [<c134e998>] (dump_backtrace) from [<c134ed58>] (show_stack+0x20/0x24)

 3427 18:44:54.009279  # [   90.901117]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978

 3428 18:44:54.015084  # [   90.907054] [<c134ed38>] (show_stack) from [<c1355fa8>] (dump_stack+0xe0/0x100)

 3429 18:44:54.022489  # [   90.914644] [<c1355ec8>] (dump_stack) from [<c0356804>] (__warn+0x98/0x14c)

 3430 18:44:54.029846  # [   90.921882]  r9:00000009 r8:c0873d18 r7:00000016 r6:00000009 r5:c0873d18 r4:c1a20a0c

 3431 18:44:54.037903  # [   90.929903] [<c035676c>] (__warn) from [<c134fe90>] (warn_slowpath_fmt+0x8c/0xa8)

 3432 18:44:54.043923  # [   90.937655]  r7:00000016 r6:c1a20a0c r5:c1a209e4 r4:c44fa000

 3433 18:44:54.052988  # [   90.943590] [<c134fe08>] (warn_slowpath_fmt) from [<c0873d18>] (refcount_warn_saturate+0xd4/0x174)

 3434 18:44:54.059997  # [   90.952822]  r9:c1acc988 r8:c15e88e4 r7:c44fbf60 r6:00000016 r5:c6bff000 r4:c44fa000

 3435 18:44:54.069182  # [   90.960843] [<c0873c44>] (refcount_warn_saturate) from [<c0c363a4>] (__refcount_add.constprop.0+0x44/0x58)

 3436 18:44:54.080852  # [   90.970780] [<c0c36360>] (__refcount_add.constprop.0) from [<c135cac4>] (lkdtm_REFCOUNT_INC_OVERFLOW+0x78/0x9c)

 3437 18:44:54.090887  # [   90.981145] [<c135ca4c>] (lkdtm_REFCOUNT_INC_OVERFLOW) from [<c0c35320>] (lkdtm_do_action+0x2c/0x4c)

 3438 18:44:54.092036  # [   90.990547]  r4:0000002b

 3439 18:44:54.101148  # [   90.993357] [<c0c352f4>] (lkdtm_do_action) from [<c0c35820>] (direct_entry+0x120/0x18c)

 3440 18:44:54.108448  # [   91.001641] [<c0c35700>] (direct_entry) from [<c07e184c>] (full_proxy_write+0x64/0x94)

 3441 18:44:54.116357  # [   91.009833]  r9:c44fbf60 r8:c50fdd80 r7:00000016 r6:b6dbd000 r5:c5c4e3c0 r4:c0c35700

 3442 18:44:54.125366  # [   91.017857] [<c07e17e8>] (full_proxy_write) from [<c059968c>] (vfs_write+0x10c/0x524)

 3443 18:44:54.131901  # [   91.025961]  r9:c07e17e8 r8:c44fbf60 r7:c2815800 r6:b6dbd000 r5:c5c4e3c0 r4:00000000

 3444 18:44:54.139309  # [   91.033976] [<c0599580>] (vfs_write) from [<c0599c20>] (ksys_write+0x74/0xec)

 3445 18:44:54.148025  # [   91.041384]  r10:00000004 r9:00000000 r8:00000000 r7:b6dbd000 r6:c44fa000 r5:c5c4e3c0

 3446 18:44:54.152465  # [   91.049482]  r4:c5c4e3c0

 3447 18:44:54.157989  # [   91.052290] [<c0599bac>] (ksys_write) from [<c0599cb0>] (sys_write+0x18/0x1c)

 3448 18:44:54.164862  # [   91.059699]  r9:c44fa000 r8:c03002e4 r7:00000004 r6:b6f04e00 r5:00000016 r4:00000016

 3449 18:44:54.175618  # [   91.067719] [<c0599c98>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 3450 18:44:54.178341  # [   91.075558] Exception stack(0xc44fbfa8 to 0xc44fbff0)

 3451 18:44:54.186415  # [   91.080882] bfa0:                   00000016 00000016 00000001 b6dbd000 00000016 00000000

 3452 18:44:54.195220  # [   91.089332] bfc0: 00000016 00000016 b6f04e00 00000004 00000001 00000000 00020000 bea3ba64

 3453 18:44:54.199701  # [   91.097779] bfe0: 00000004 bea3b798 b6e6f4cf b6df57e6

 3454 18:44:54.204966  # [   91.103174] irq event stamp: 0

 3455 18:44:54.208958  # [   91.106517] hardirqs last  enabled at (0): [<00000000>] 0x0

 3456 18:44:54.217031  # [   91.112405] hardirqs last disabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974

 3457 18:44:54.224094  # [   91.120172] softirqs last  enabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974

 3458 18:44:54.231092  # [   91.127980] softirqs last disabled at (0): [<00000000>] 0x0

 3459 18:44:54.236148  # [   91.133870] ---[ end trace 6556776c6b5d506d ]---

 3460 18:44:54.239922  # [   91.138765] lkdtm: Overflow detected: saturated

 3461 18:44:54.245027  # REFCOUNT_INC_OVERFLOW: missing 'call trace:': [FAIL]

 3462 18:44:54.249160  not ok 42 selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # exit=1

 3463 18:44:54.253138  # selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh

 3464 18:44:54.305854  <6>[   91.642674] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW

 3465 18:44:54.312861  <6>[   91.648967] lkdtm: attempting good refcount_add() without overflow

 3466 18:44:54.319227  <6>[   91.655486] lkdtm: attempting bad refcount_add() overflow

 3467 18:44:54.322173  <4>[   91.661236] ------------[ cut here ]------------

 3468 18:44:54.330585  <4>[   91.666145] WARNING: CPU: 1 PID: 2629 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174

 3469 18:44:54.335386  <4>[   91.674893] refcount_t: saturated; leaking memory.

 3470 18:44:54.367445  <4>[   91.679959] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3

 3471 18:44:54.374956  <4>[   91.709448] CPU: 1 PID: 2629 Comm: cat Tainted: G      D W         5.10.170-cip27 #1

 3472 18:44:54.382104  <4>[   91.717463] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 3473 18:44:54.385053  <4>[   91.724259] Backtrace: 

 3474 18:44:54.393089  <4>[   91.726998] [<c134e998>] (dump_backtrace) from [<c134ed58>] (show_stack+0x20/0x24)

 3475 18:44:54.397163  <4>[   91.734844]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978

 3476 18:44:54.404817  <4>[   91.740783] [<c134ed38>] (show_stack) from [<c1355fa8>] (dump_stack+0xe0/0x100)

 3477 18:44:54.411422  <4>[   91.748375] [<c1355ec8>] (dump_stack) from [<c0356804>] (__warn+0x98/0x14c)

 3478 18:44:54.418970  <4>[   91.755614]  r9:00000009 r8:c0873d18 r7:00000016 r6:00000009 r5:c0873d18 r4:c1a20a0c

 3479 18:44:54.427740  <4>[   91.763632] [<c035676c>] (__warn) from [<c134fe90>] (warn_slowpath_fmt+0x8c/0xa8)

 3480 18:44:54.433291  <4>[   91.771385]  r7:00000016 r6:c1a20a0c r5:c1a209e4 r4:c59a8000

 3481 18:44:54.442846  <4>[   91.777322] [<c134fe08>] (warn_slowpath_fmt) from [<c0873d18>] (refcount_warn_saturate+0xd4/0x174)

 3482 18:44:54.450731  <4>[   91.786554]  r9:c1acc9a0 r8:c15e88e4 r7:c59a9f60 r6:00000016 r5:c6c87000 r4:c59a8000

 3483 18:44:54.461469  <4>[   91.794575] [<c0873c44>] (refcount_warn_saturate) from [<c0c363a4>] (__refcount_add.constprop.0+0x44/0x58)

 3484 18:44:54.470384  <4>[   91.804511] [<c0c36360>] (__refcount_add.constprop.0) from [<c135cb6c>] (lkdtm_REFCOUNT_ADD_OVERFLOW+0x84/0xa8)

 3485 18:44:54.480343  <4>[   91.814873] [<c135cae8>] (lkdtm_REFCOUNT_ADD_OVERFLOW) from [<c0c35320>] (lkdtm_do_action+0x2c/0x4c)

 3486 18:44:54.483268  <4>[   91.824274]  r4:0000002c

 3487 18:44:54.491519  <4>[   91.827082] [<c0c352f4>] (lkdtm_do_action) from [<c0c35820>] (direct_entry+0x120/0x18c)

 3488 18:44:54.499516  <4>[   91.835365] [<c0c35700>] (direct_entry) from [<c07e184c>] (full_proxy_write+0x64/0x94)

 3489 18:44:54.508639  <4>[   91.843558]  r9:c59a9f60 r8:c50fdd80 r7:00000016 r6:b6e09000 r5:c47ba000 r4:c0c35700

 3490 18:44:54.516703  <4>[   91.851582] [<c07e17e8>] (full_proxy_write) from [<c059968c>] (vfs_write+0x10c/0x524)

 3491 18:44:54.524712  <4>[   91.859684]  r9:c07e17e8 r8:c59a9f60 r7:c2815800 r6:b6e09000 r5:c47ba000 r4:00000000

 3492 18:44:54.533535  <4>[   91.867701] [<c0599580>] (vfs_write) from [<c0599c20>] (ksys_write+0x74/0xec)

 3493 18:44:54.539809  <4>[   91.875108]  r10:00000004 r9:00000000 r8:00000000 r7:b6e09000 r6:c59a8000 r5:c47ba000

 3494 18:44:54.541542  <4>[   91.883205]  r4:c47ba000

 3495 18:44:54.550008  <4>[   91.886012] [<c0599bac>] (ksys_write) from [<c0599cb0>] (sys_write+0x18/0x1c)

 3496 18:44:54.557575  <4>[   91.893420]  r9:c59a8000 r8:c03002e4 r7:00000004 r6:b6f50e00 r5:00000016 r4:00000016

 3497 18:44:54.565733  <4>[   91.901440] [<c0599c98>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 3498 18:44:54.574163  <4>[   91.909279] Exception stack(0xc59a9fa8 to 0xc59a9ff0)

 3499 18:44:54.578940  <4>[   91.914604] 9fa0:                   00000016 00000016 00000001 b6e09000 00000016 00000000

 3500 18:44:54.588101  <4>[   91.923055] 9fc0: 00000016 00000016 b6f50e00 00000004 00000001 00000000 00020000 bef8ea64

 3501 18:44:54.592392  <4>[   91.931502] 9fe0: 00000004 bef8e798 b6ebb4cf b6e417e6

 3502 18:44:54.599386  <4>[   91.936913] irq event stamp: 0

 3503 18:44:54.601886  <4>[   91.940256] hardirqs last  enabled at (0): [<00000000>] 0x0

 3504 18:44:54.610195  <4>[   91.946144] hardirqs last disabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974

 3505 18:44:54.618735  <4>[   91.953972] softirqs last  enabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974

 3506 18:44:54.623496  <4>[   91.961799] softirqs last disabled at (0): [<00000000>] 0x0

 3507 18:44:54.629480  <4>[   91.967659] ---[ end trace 6556776c6b5d506e ]---

 3508 18:44:54.633124  <6>[   91.972604] lkdtm: Overflow detected: saturated

 3509 18:44:54.746339  # [   91.642674] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW

 3510 18:44:54.753218  # [   91.648967] lkdtm: attempting good refcount_add() without overflow

 3511 18:44:54.757425  # [   91.655486] lkdtm: attempting bad refcount_add() overflow

 3512 18:44:54.763495  # [   91.661236] ------------[ cut here ]------------

 3513 18:44:54.770411  # [   91.666145] WARNING: CPU: 1 PID: 2629 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174

 3514 18:44:54.775092  # [   91.674893] refcount_t: saturated; leaking memory.

 3515 18:44:54.805415  # [   91.679959] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3

 3516 18:44:54.812433  # [   91.709448] CPU: 1 PID: 2629 Comm: cat Tainted: G      D W         5.10.170-cip27 #1

 3517 18:44:54.819891  # [   91.717463] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 3518 18:44:54.822654  # [   91.724259] Backtrace: 

 3519 18:44:54.830353  # [   91.726998] [<c134e998>] (dump_backtrace) from [<c134ed58>] (show_stack+0x20/0x24)

 3520 18:44:54.835896  # [   91.734844]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978

 3521 18:44:54.845764  # [   91.740783] [<c134ed38>] (show_stack) from [<c1355fa8>] (dump_stack+0xe0/0x100)

 3522 18:44:54.849793  # [   91.748375] [<c1355ec8>] (dump_stack) from [<c0356804>] (__warn+0x98/0x14c)

 3523 18:44:54.857944  # [   91.755614]  r9:00000009 r8:c0873d18 r7:00000016 r6:00000009 r5:c0873d18 r4:c1a20a0c

 3524 18:44:54.865384  # [   91.763632] [<c035676c>] (__warn) from [<c134fe90>] (warn_slowpath_fmt+0x8c/0xa8)

 3525 18:44:54.874017  # [   91.771385]  r7:00000016 r6:c1a20a0c r5:c1a209e4 r4:c59a8000

 3526 18:44:54.880241  # [   91.777322] [<c134fe08>] (warn_slowpath_fmt) from [<c0873d18>] (refcount_warn_saturate+0xd4/0x174)

 3527 18:44:54.891415  # [   91.786554]  r9:c1acc9a0 r8:c15e88e4 r7:c59a9f60 r6:00000016 r5:c6c87000 r4:c59a8000

 3528 18:44:54.898127  # [   91.794575] [<c0873c44>] (refcount_warn_saturate) from [<c0c363a4>] (__refcount_add.constprop.0+0x44/0x58)

 3529 18:44:54.910111  # [   91.804511] [<c0c36360>] (__refcount_add.constprop.0) from [<c135cb6c>] (lkdtm_REFCOUNT_ADD_OVERFLOW+0x84/0xa8)

 3530 18:44:54.921110  # [   91.814873] [<c135cae8>] (lkdtm_REFCOUNT_ADD_OVERFLOW) from [<c0c35320>] (lkdtm_do_action+0x2c/0x4c)

 3531 18:44:54.921690  # [   91.824274]  r4:0000002c

 3532 18:44:54.929109  # [   91.827082] [<c0c352f4>] (lkdtm_do_action) from [<c0c35820>] (direct_entry+0x120/0x18c)

 3533 18:44:54.938965  # [   91.835365] [<c0c35700>] (direct_entry) from [<c07e184c>] (full_proxy_write+0x64/0x94)

 3534 18:44:54.945246  # [   91.843558]  r9:c59a9f60 r8:c50fdd80 r7:00000016 r6:b6e09000 r5:c47ba000 r4:c0c35700

 3535 18:44:54.954624  # [   91.851582] [<c07e17e8>] (full_proxy_write) from [<c059968c>] (vfs_write+0x10c/0x524)

 3536 18:44:54.961981  # [   91.859684]  r9:c07e17e8 r8:c59a9f60 r7:c2815800 r6:b6e09000 r5:c47ba000 r4:00000000

 3537 18:44:54.969333  # [   91.867701] [<c0599580>] (vfs_write) from [<c0599c20>] (ksys_write+0x74/0xec)

 3538 18:44:54.975237  # [   91.875108]  r10:00000004 r9:00000000 r8:00000000 r7:b6e09000 r6:c59a8000 r5:c47ba000

 3539 18:44:54.979731  # [   91.883205]  r4:c47ba000

 3540 18:44:54.987545  # [   91.886012] [<c0599bac>] (ksys_write) from [<c0599cb0>] (sys_write+0x18/0x1c)

 3541 18:44:54.994312  # [   91.893420]  r9:c59a8000 r8:c03002e4 r7:00000004 r6:b6f50e00 r5:00000016 r4:00000016

 3542 18:44:55.001573  # [   91.901440] [<c0599c98>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 3543 18:44:55.009463  # [   91.909279] Exception stack(0xc59a9fa8 to 0xc59a9ff0)

 3544 18:44:55.017986  # [   91.914604] 9fa0:                   00000016 00000016 00000001 b6e09000 00000016 00000000

 3545 18:44:55.023262  # [   91.923055] 9fc0: 00000016 00000016 b6f50e00 00000004 00000001 00000000 00020000 bef8ea64

 3546 18:44:55.028004  # [   91.931502] 9fe0: 00000004 bef8e798 b6ebb4cf b6e417e6

 3547 18:44:55.032773  # [   91.936913] irq event stamp: 0

 3548 18:44:55.039151  # [   91.940256] hardirqs last  enabled at (0): [<00000000>] 0x0

 3549 18:44:55.046253  # [   91.946144] hardirqs last disabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974

 3550 18:44:55.054308  # [   91.953972] softirqs last  enabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974

 3551 18:44:55.058877  # [   91.961799] softirqs last disabled at (0): [<00000000>] 0x0

 3552 18:44:55.064126  # [   91.967659] ---[ end trace 6556776c6b5d506e ]---

 3553 18:44:55.069903  # [   91.972604] lkdtm: Overflow detected: saturated

 3554 18:44:55.073354  # REFCOUNT_ADD_OVERFLOW: missing 'call trace:': [FAIL]

 3555 18:44:55.077670  not ok 43 selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh # exit=1

 3556 18:44:55.083022  # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh

 3557 18:44:55.151199  <6>[   92.488735] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW

 3558 18:44:55.158520  <6>[   92.496021] lkdtm: attempting bad refcount_inc_not_zero() overflow

 3559 18:44:55.165169  <4>[   92.502591] ------------[ cut here ]------------

 3560 18:44:55.171848  <4>[   92.507533] WARNING: CPU: 1 PID: 2663 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174

 3561 18:44:55.176960  <4>[   92.516322] refcount_t: saturated; leaking memory.

 3562 18:44:55.207016  <4>[   92.521429] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3

 3563 18:44:55.217053  <4>[   92.550926] CPU: 1 PID: 2663 Comm: cat Tainted: G      D W         5.10.170-cip27 #1

 3564 18:44:55.221320  <4>[   92.558940] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 3565 18:44:55.224906  <4>[   92.565737] Backtrace: 

 3566 18:44:55.231794  <4>[   92.568478] [<c134e998>] (dump_backtrace) from [<c134ed58>] (show_stack+0x20/0x24)

 3567 18:44:55.239337  <4>[   92.576321]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978

 3568 18:44:55.246278  <4>[   92.582260] [<c134ed38>] (show_stack) from [<c1355fa8>] (dump_stack+0xe0/0x100)

 3569 18:44:55.255296  <4>[   92.589850] [<c1355ec8>] (dump_stack) from [<c0356804>] (__warn+0x98/0x14c)

 3570 18:44:55.261210  <4>[   92.597086]  r9:00000009 r8:c0873ce4 r7:00000013 r6:00000009 r5:c0873ce4 r4:c1a20a0c

 3571 18:44:55.270461  <4>[   92.605106] [<c035676c>] (__warn) from [<c134fe90>] (warn_slowpath_fmt+0x8c/0xa8)

 3572 18:44:55.275120  <4>[   92.612861]  r7:00000013 r6:c1a20a0c r5:c1a209e4 r4:c5c2e000

 3573 18:44:55.283565  <4>[   92.618795] [<c134fe08>] (warn_slowpath_fmt) from [<c0873ce4>] (refcount_warn_saturate+0xa0/0x174)

 3574 18:44:55.292473  <4>[   92.628027]  r9:c1acc9b8 r8:c15e88e4 r7:c5c2ff60 r6:0000001f r5:c6b1d000 r4:7fffffff

 3575 18:44:55.304544  <4>[   92.636052] [<c0873c44>] (refcount_warn_saturate) from [<c135ca38>] (__refcount_add_not_zero.constprop.0+0x64/0x78)

 3576 18:44:55.315032  <4>[   92.646767] [<c135c9d4>] (__refcount_add_not_zero.constprop.0) from [<c135cbe0>] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x50/0x88)

 3577 18:44:55.320154  <4>[   92.658684]  r5:c6b1d000 r4:c5c2e000

 3578 18:44:55.328576  <4>[   92.662537] [<c135cb90>] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW) from [<c0c35320>] (lkdtm_do_action+0x2c/0x4c)

 3579 18:44:55.333338  <4>[   92.672719]  r4:0000002d

 3580 18:44:55.339116  <4>[   92.675528] [<c0c352f4>] (lkdtm_do_action) from [<c0c35820>] (direct_entry+0x120/0x18c)

 3581 18:44:55.349822  <4>[   92.683811] [<c0c35700>] (direct_entry) from [<c07e184c>] (full_proxy_write+0x64/0x94)

 3582 18:44:55.358094  <4>[   92.692001]  r9:c5c2ff60 r8:c50fdd80 r7:0000001f r6:b6e93000 r5:c5a868c0 r4:c0c35700

 3583 18:44:55.363609  <4>[   92.700025] [<c07e17e8>] (full_proxy_write) from [<c059968c>] (vfs_write+0x10c/0x524)

 3584 18:44:55.371574  <4>[   92.708128]  r9:c07e17e8 r8:c5c2ff60 r7:c2815800 r6:b6e93000 r5:c5a868c0 r4:00000000

 3585 18:44:55.379552  <4>[   92.716145] [<c0599580>] (vfs_write) from [<c0599c20>] (ksys_write+0x74/0xec)

 3586 18:44:55.388556  <4>[   92.723554]  r10:00000004 r9:00000000 r8:00000000 r7:b6e93000 r6:c5c2e000 r5:c5a868c0

 3587 18:44:55.390624  <4>[   92.731650]  r4:c5a868c0

 3588 18:44:55.399444  <4>[   92.734459] [<c0599bac>] (ksys_write) from [<c0599cb0>] (sys_write+0x18/0x1c)

 3589 18:44:55.406221  <4>[   92.741867]  r9:c5c2e000 r8:c03002e4 r7:00000004 r6:b6fdae00 r5:0000001f r4:0000001f

 3590 18:44:55.413081  <4>[   92.749887] [<c0599c98>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 3591 18:44:55.420173  <4>[   92.757726] Exception stack(0xc5c2ffa8 to 0xc5c2fff0)

 3592 18:44:55.427969  <4>[   92.763050] ffa0:                   0000001f 0000001f 00000001 b6e93000 0000001f 00000000

 3593 18:44:55.439845  <4>[   92.771499] ffc0: 0000001f 0000001f b6fdae00 00000004 00000001 00000000 00020000 beeaca64

 3594 18:44:55.443409  <4>[   92.779947] ffe0: 00000004 beeac798 b6f454cf b6ecb7e6

 3595 18:44:55.445846  <4>[   92.785351] irq event stamp: 0

 3596 18:44:55.451036  <4>[   92.788689] hardirqs last  enabled at (0): [<00000000>] 0x0

 3597 18:44:55.458712  <4>[   92.794590] hardirqs last disabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974

 3598 18:44:55.467322  <4>[   92.802416] softirqs last  enabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974

 3599 18:44:55.475467  <4>[   92.810192] softirqs last disabled at (0): [<00000000>] 0x0

 3600 18:44:55.477080  <4>[   92.816129] ---[ end trace 6556776c6b5d506f ]---

 3601 18:44:55.481197  <6>[   92.821040] lkdtm: Overflow detected: saturated

 3602 18:44:55.601494  # [   92.488735] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW

 3603 18:44:55.607620  # [   92.496021] lkdtm: attempting bad refcount_inc_not_zero() overflow

 3604 18:44:55.611768  # [   92.502591] ------------[ cut here ]------------

 3605 18:44:55.622242  # [   92.507533] WARNING: CPU: 1 PID: 2663 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174

 3606 18:44:55.626039  # [   92.516322] refcount_t: saturated; leaking memory.

 3607 18:44:55.655656  # [   92.521429] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3

 3608 18:44:55.662469  # [   92.550926] CPU: 1 PID: 2663 Comm: cat Tainted: G      D W         5.10.170-cip27 #1

 3609 18:44:55.670438  # [   92.558940] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 3610 18:44:55.672600  # [   92.565737] Backtrace: 

 3611 18:44:55.679768  # [   92.568478] [<c134e998>] (dump_backtrace) from [<c134ed58>] (show_stack+0x20/0x24)

 3612 18:44:55.685329  # [   92.576321]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978

 3613 18:44:55.693221  # [   92.582260] [<c134ed38>] (show_stack) from [<c1355fa8>] (dump_stack+0xe0/0x100)

 3614 18:44:55.700558  # [   92.589850] [<c1355ec8>] (dump_stack) from [<c0356804>] (__warn+0x98/0x14c)

 3615 18:44:55.708712  # [   92.597086]  r9:00000009 r8:c0873ce4 r7:00000013 r6:00000009 r5:c0873ce4 r4:c1a20a0c

 3616 18:44:55.715562  # [   92.605106] [<c035676c>] (__warn) from [<c134fe90>] (warn_slowpath_fmt+0x8c/0xa8)

 3617 18:44:55.722484  # [   92.612861]  r7:00000013 r6:c1a20a0c r5:c1a209e4 r4:c5c2e000

 3618 18:44:55.731101  # [   92.618795] [<c134fe08>] (warn_slowpath_fmt) from [<c0873ce4>] (refcount_warn_saturate+0xa0/0x174)

 3619 18:44:55.738350  # [   92.628027]  r9:c1acc9b8 r8:c15e88e4 r7:c5c2ff60 r6:0000001f r5:c6b1d000 r4:7fffffff

 3620 18:44:55.748552  # [   92.636052] [<c0873c44>] (refcount_warn_saturate) from [<c135ca38>] (__refcount_add_not_zero.constprop.0+0x64/0x78)

 3621 18:44:55.762033  # [   92.646767] [<c135c9d4>] (__refcount_add_not_zero.constprop.0) from [<c135cbe0>] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x50/0x88)

 3622 18:44:55.764946  # [   92.658684]  r5:c6b1d000 r4:c5c2e000

 3623 18:44:55.776254  # [   92.662537] [<c135cb90>] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW) from [<c0c35320>] (lkdtm_do_action+0x2c/0x4c)

 3624 18:44:55.779440  # [   92.672719]  r4:0000002d

 3625 18:44:55.786272  # [   92.675528] [<c0c352f4>] (lkdtm_do_action) from [<c0c35820>] (direct_entry+0x120/0x18c)

 3626 18:44:55.793419  # [   92.683811] [<c0c35700>] (direct_entry) from [<c07e184c>] (full_proxy_write+0x64/0x94)

 3627 18:44:55.802151  # [   92.692001]  r9:c5c2ff60 r8:c50fdd80 r7:0000001f r6:b6e93000 r5:c5a868c0 r4:c0c35700

 3628 18:44:55.809784  # [   92.700025] [<c07e17e8>] (full_proxy_write) from [<c059968c>] (vfs_write+0x10c/0x524)

 3629 18:44:55.818142  # [   92.708128]  r9:c07e17e8 r8:c5c2ff60 r7:c2815800 r6:b6e93000 r5:c5a868c0 r4:00000000

 3630 18:44:55.826273  # [   92.716145] [<c0599580>] (vfs_write) from [<c0599c20>] (ksys_write+0x74/0xec)

 3631 18:44:55.832456  # [   92.723554]  r10:00000004 r9:00000000 r8:00000000 r7:b6e93000 r6:c5c2e000 r5:c5a868c0

 3632 18:44:55.837483  # [   92.731650]  r4:c5a868c0

 3633 18:44:55.842242  # [   92.734459] [<c0599bac>] (ksys_write) from [<c0599cb0>] (sys_write+0x18/0x1c)

 3634 18:44:55.851770  # [   92.741867]  r9:c5c2e000 r8:c03002e4 r7:00000004 r6:b6fdae00 r5:0000001f r4:0000001f

 3635 18:44:55.859309  # [   92.749887] [<c0599c98>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 3636 18:44:55.863730  # [   92.757726] Exception stack(0xc5c2ffa8 to 0xc5c2fff0)

 3637 18:44:55.873588  # [   92.763050] ffa0:                   0000001f 0000001f 00000001 b6e93000 0000001f 00000000

 3638 18:44:55.879509  # [   92.771499] ffc0: 0000001f 0000001f b6fdae00 00000004 00000001 00000000 00020000 beeaca64

 3639 18:44:55.886024  # [   92.779947] ffe0: 00000004 beeac798 b6f454cf b6ecb7e6

 3640 18:44:55.889704  # [   92.785351] irq event stamp: 0

 3641 18:44:55.895211  # [   92.788689] hardirqs last  enabled at (0): [<00000000>] 0x0

 3642 18:44:55.901897  # [   92.794590] hardirqs last disabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974

 3643 18:44:55.911367  # [   92.802416] softirqs last  enabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974

 3644 18:44:55.915316  # [   92.810192] softirqs last disabled at (0): [<00000000>] 0x0

 3645 18:44:55.920162  # [   92.816129] ---[ end trace 6556776c6b5d506f ]---

 3646 18:44:55.924743  # [   92.821040] lkdtm: Overflow detected: saturated

 3647 18:44:55.930124  # REFCOUNT_INC_NOT_ZERO_OVERFLOW: missing 'call trace:': [FAIL]

 3648 18:44:55.939039  not ok 44 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh # exit=1

 3649 18:44:55.941387  # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh

 3650 18:44:56.002418  <6>[   93.338936] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW

 3651 18:44:56.008141  <6>[   93.346088] lkdtm: attempting bad refcount_add_not_zero() overflow

 3652 18:44:56.013187  <4>[   93.352593] ------------[ cut here ]------------

 3653 18:44:56.021783  <4>[   93.357504] WARNING: CPU: 2 PID: 2697 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174

 3654 18:44:56.029465  <4>[   93.366279] refcount_t: saturated; leaking memory.

 3655 18:44:56.056651  <4>[   93.371383] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3

 3656 18:44:56.064486  <4>[   93.400873] CPU: 2 PID: 2697 Comm: cat Tainted: G      D W         5.10.170-cip27 #1

 3657 18:44:56.073528  <4>[   93.408888] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 3658 18:44:56.076264  <4>[   93.415684] Backtrace: 

 3659 18:44:56.083787  <4>[   93.418424] [<c134e998>] (dump_backtrace) from [<c134ed58>] (show_stack+0x20/0x24)

 3660 18:44:56.088489  <4>[   93.426268]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978

 3661 18:44:56.095798  <4>[   93.432206] [<c134ed38>] (show_stack) from [<c1355fa8>] (dump_stack+0xe0/0x100)

 3662 18:44:56.103674  <4>[   93.439796] [<c1355ec8>] (dump_stack) from [<c0356804>] (__warn+0x98/0x14c)

 3663 18:44:56.110623  <4>[   93.447031]  r9:00000009 r8:c0873ce4 r7:00000013 r6:00000009 r5:c0873ce4 r4:c1a20a0c

 3664 18:44:56.119199  <4>[   93.455050] [<c035676c>] (__warn) from [<c134fe90>] (warn_slowpath_fmt+0x8c/0xa8)

 3665 18:44:56.127121  <4>[   93.462804]  r7:00000013 r6:c1a20a0c r5:c1a209e4 r4:c5c2e000

 3666 18:44:56.133608  <4>[   93.468740] [<c134fe08>] (warn_slowpath_fmt) from [<c0873ce4>] (refcount_warn_saturate+0xa0/0x174)

 3667 18:44:56.141769  <4>[   93.477974]  r9:c1acc9d8 r8:c15e88e4 r7:c5c2ff60 r6:0000001f r5:c5aa0000 r4:7fffffff

 3668 18:44:56.152613  <4>[   93.486002] [<c0873c44>] (refcount_warn_saturate) from [<c135ca38>] (__refcount_add_not_zero.constprop.0+0x64/0x78)

 3669 18:44:56.165724  <4>[   93.496716] [<c135c9d4>] (__refcount_add_not_zero.constprop.0) from [<c135cc68>] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x50/0x88)

 3670 18:44:56.169696  <4>[   93.508635]  r5:c5aa0000 r4:c5c2e000

 3671 18:44:56.178477  <4>[   93.512490] [<c135cc18>] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW) from [<c0c35320>] (lkdtm_do_action+0x2c/0x4c)

 3672 18:44:56.183326  <4>[   93.522670]  r4:0000002e

 3673 18:44:56.189318  <4>[   93.525477] [<c0c352f4>] (lkdtm_do_action) from [<c0c35820>] (direct_entry+0x120/0x18c)

 3674 18:44:56.197292  <4>[   93.533761] [<c0c35700>] (direct_entry) from [<c07e184c>] (full_proxy_write+0x64/0x94)

 3675 18:44:56.205493  <4>[   93.541951]  r9:c5c2ff60 r8:c50fdd80 r7:0000001f r6:b6e08000 r5:c5c4f540 r4:c0c35700

 3676 18:44:56.214036  <4>[   93.549977] [<c07e17e8>] (full_proxy_write) from [<c059968c>] (vfs_write+0x10c/0x524)

 3677 18:44:56.222482  <4>[   93.558080]  r9:c07e17e8 r8:c5c2ff60 r7:c2815800 r6:b6e08000 r5:c5c4f540 r4:00000000

 3678 18:44:56.231857  <4>[   93.566097] [<c0599580>] (vfs_write) from [<c0599c20>] (ksys_write+0x74/0xec)

 3679 18:44:56.239249  <4>[   93.573505]  r10:00000004 r9:00000000 r8:00000000 r7:b6e08000 r6:c5c2e000 r5:c5c4f540

 3680 18:44:56.241340  <4>[   93.581602]  r4:c5c4f540

 3681 18:44:56.249190  <4>[   93.584410] [<c0599bac>] (ksys_write) from [<c0599cb0>] (sys_write+0x18/0x1c)

 3682 18:44:56.257380  <4>[   93.591818]  r9:c5c2e000 r8:c03002e4 r7:00000004 r6:b6f4fe00 r5:0000001f r4:0000001f

 3683 18:44:56.264174  <4>[   93.599838] [<c0599c98>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 3684 18:44:56.269983  <4>[   93.607675] Exception stack(0xc5c2ffa8 to 0xc5c2fff0)

 3685 18:44:56.277415  <4>[   93.613000] ffa0:                   0000001f 0000001f 00000001 b6e08000 0000001f 00000000

 3686 18:44:56.288568  <4>[   93.621451] ffc0: 0000001f 0000001f b6f4fe00 00000004 00000001 00000000 00020000 beb62a64

 3687 18:44:56.291673  <4>[   93.629898] ffe0: 00000004 beb62798 b6eba4cf b6e407e6

 3688 18:44:56.295754  <4>[   93.635309] irq event stamp: 0

 3689 18:44:56.301497  <4>[   93.638649] hardirqs last  enabled at (0): [<00000000>] 0x0

 3690 18:44:56.309286  <4>[   93.644541] hardirqs last disabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974

 3691 18:44:56.315609  <4>[   93.652352] softirqs last  enabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974

 3692 18:44:56.321462  <4>[   93.660151] softirqs last disabled at (0): [<00000000>] 0x0

 3693 18:44:56.327068  <4>[   93.666063] ---[ end trace 6556776c6b5d5070 ]---

 3694 18:44:56.331414  <6>[   93.670962] lkdtm: Overflow detected: saturated

 3695 18:44:56.451939  # [   93.338936] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW

 3696 18:44:56.457451  # [   93.346088] lkdtm: attempting bad refcount_add_not_zero() overflow

 3697 18:44:56.463396  # [   93.352593] ------------[ cut here ]------------

 3698 18:44:56.470618  # [   93.357504] WARNING: CPU: 2 PID: 2697 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174

 3699 18:44:56.475703  # [   93.366279] refcount_t: saturated; leaking memory.

 3700 18:44:56.504723  # [   93.371383] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3

 3701 18:44:56.513500  # [   93.400873] CPU: 2 PID: 2697 Comm: cat Tainted: G      D W         5.10.170-cip27 #1

 3702 18:44:56.519081  # [   93.408888] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 3703 18:44:56.521242  # [   93.415684] Backtrace: 

 3704 18:44:56.531824  # [   93.418424] [<c134e998>] (dump_backtrace) from [<c134ed58>] (show_stack+0x20/0x24)

 3705 18:44:56.535771  # [   93.426268]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978

 3706 18:44:56.544125  # [   93.432206] [<c134ed38>] (show_stack) from [<c1355fa8>] (dump_stack+0xe0/0x100)

 3707 18:44:56.549487  # [   93.439796] [<c1355ec8>] (dump_stack) from [<c0356804>] (__warn+0x98/0x14c)

 3708 18:44:56.559424  # [   93.447031]  r9:00000009 r8:c0873ce4 r7:00000013 r6:00000009 r5:c0873ce4 r4:c1a20a0c

 3709 18:44:56.566622  # [   93.455050] [<c035676c>] (__warn) from [<c134fe90>] (warn_slowpath_fmt+0x8c/0xa8)

 3710 18:44:56.570920  # [   93.462804]  r7:00000013 r6:c1a20a0c r5:c1a209e4 r4:c5c2e000

 3711 18:44:56.581695  # [   93.468740] [<c134fe08>] (warn_slowpath_fmt) from [<c0873ce4>] (refcount_warn_saturate+0xa0/0x174)

 3712 18:44:56.588445  # [   93.477974]  r9:c1acc9d8 r8:c15e88e4 r7:c5c2ff60 r6:0000001f r5:c5aa0000 r4:7fffffff

 3713 18:44:56.601715  # [   93.486002] [<c0873c44>] (refcount_warn_saturate) from [<c135ca38>] (__refcount_add_not_zero.constprop.0+0x64/0x78)

 3714 18:44:56.616053  # [   93.496716] [<c135c9d4>] (__refcount_add_not_zero.constprop.0) from [<c135cc68>] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x50/0x88)

 3715 18:44:56.618719  # [   93.508635]  r5:c5aa0000 r4:c5c2e000

 3716 18:44:56.624305  # [   93.512490] [<c135cc18>] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW) from [<c0c35320>] (lkdtm_do_action+0x2c/0x4c)

 3717 18:44:56.629655  # [   93.522670]  r4:0000002e

 3718 18:44:56.635137  # [   93.525477] [<c0c352f4>] (lkdtm_do_action) from [<c0c35820>] (direct_entry+0x120/0x18c)

 3719 18:44:56.645168  # [   93.533761] [<c0c35700>] (direct_entry) from [<c07e184c>] (full_proxy_write+0x64/0x94)

 3720 18:44:56.651643  # [   93.541951]  r9:c5c2ff60 r8:c50fdd80 r7:0000001f r6:b6e08000 r5:c5c4f540 r4:c0c35700

 3721 18:44:56.660199  # [   93.549977] [<c07e17e8>] (full_proxy_write) from [<c059968c>] (vfs_write+0x10c/0x524)

 3722 18:44:56.669406  # [   93.558080]  r9:c07e17e8 r8:c5c2ff60 r7:c2815800 r6:b6e08000 r5:c5c4f540 r4:00000000

 3723 18:44:56.675389  # [   93.566097] [<c0599580>] (vfs_write) from [<c0599c20>] (ksys_write+0x74/0xec)

 3724 18:44:56.682694  # [   93.573505]  r10:00000004 r9:00000000 r8:00000000 r7:b6e08000 r6:c5c2e000 r5:c5c4f540

 3725 18:44:56.687002  # [   93.581602]  r4:c5c4f540

 3726 18:44:56.693156  # [   93.584410] [<c0599bac>] (ksys_write) from [<c0599cb0>] (sys_write+0x18/0x1c)

 3727 18:44:56.700431  # [   93.591818]  r9:c5c2e000 r8:c03002e4 r7:00000004 r6:b6f4fe00 r5:0000001f r4:0000001f

 3728 18:44:56.708811  # [   93.599838] [<c0599c98>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 3729 18:44:56.713485  # [   93.607675] Exception stack(0xc5c2ffa8 to 0xc5c2fff0)

 3730 18:44:56.723604  # [   93.613000] ffa0:                   0000001f 0000001f 00000001 b6e08000 0000001f 00000000

 3731 18:44:56.730539  # [   93.621451] ffc0: 0000001f 0000001f b6f4fe00 00000004 00000001 00000000 00020000 beb62a64

 3732 18:44:56.736817  # [   93.629898] ffe0: 00000004 beb62798 b6eba4cf b6e407e6

 3733 18:44:56.739226  # [   93.635309] irq event stamp: 0

 3734 18:44:56.743682  # [   93.638649] hardirqs last  enabled at (0): [<00000000>] 0x0

 3735 18:44:56.751611  # [   93.644541] hardirqs last disabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974

 3736 18:44:56.759774  # [   93.652352] softirqs last  enabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974

 3737 18:44:56.765456  # [   93.660151] softirqs last disabled at (0): [<00000000>] 0x0

 3738 18:44:56.772062  # [   93.666063] ---[ end trace 6556776c6b5d5070 ]---

 3739 18:44:56.774851  # [   93.670962] lkdtm: Overflow detected: saturated

 3740 18:44:56.781748  # REFCOUNT_ADD_NOT_ZERO_OVERFLOW: missing 'call trace:': [FAIL]

 3741 18:44:56.786851  not ok 45 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh # exit=1

 3742 18:44:56.789721  # selftests: lkdtm: REFCOUNT_DEC_ZERO.sh

 3743 18:44:56.837647  <6>[   94.176130] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO

 3744 18:44:56.842732  <6>[   94.182217] lkdtm: attempting good refcount_dec()

 3745 18:44:56.852815  <6>[   94.187220] lkdtm: attempting bad refcount_dec() to zero

 3746 18:44:56.855780  <4>[   94.192881] ------------[ cut here ]------------

 3747 18:44:56.863406  <4>[   94.197792] WARNING: CPU: 2 PID: 2731 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174

 3748 18:44:56.867739  <4>[   94.206562] refcount_t: decrement hit 0; leaking memory.

 3749 18:44:56.898772  <4>[   94.212199] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3

 3750 18:44:56.906454  <4>[   94.241693] CPU: 2 PID: 2731 Comm: cat Tainted: G      D W         5.10.170-cip27 #1

 3751 18:44:56.913429  <4>[   94.249708] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 3752 18:44:56.914763  <4>[   94.256504] Backtrace: 

 3753 18:44:56.925018  <4>[   94.259243] [<c134e998>] (dump_backtrace) from [<c134ed58>] (show_stack+0x20/0x24)

 3754 18:44:56.932432  <4>[   94.267087]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978

 3755 18:44:56.937719  <4>[   94.273027] [<c134ed38>] (show_stack) from [<c1355fa8>] (dump_stack+0xe0/0x100)

 3756 18:44:56.943727  <4>[   94.280618] [<c1355ec8>] (dump_stack) from [<c0356804>] (__warn+0x98/0x14c)

 3757 18:44:56.952683  <4>[   94.287853]  r9:00000009 r8:c0873cb0 r7:0000001f r6:00000009 r5:c0873cb0 r4:c1a20a0c

 3758 18:44:56.960626  <4>[   94.295873] [<c035676c>] (__warn) from [<c134fe90>] (warn_slowpath_fmt+0x8c/0xa8)

 3759 18:44:56.967545  <4>[   94.303628]  r7:0000001f r6:c1a20a0c r5:c1a20a70 r4:c69d4000

 3760 18:44:56.975660  <4>[   94.309563] [<c134fe08>] (warn_slowpath_fmt) from [<c0873cb0>] (refcount_warn_saturate+0x6c/0x174)

 3761 18:44:56.983776  <4>[   94.318796]  r9:c1acc9f8 r8:c15e88e4 r7:c69d5f60 r6:00000012 r5:c5aa0000 r4:c69d4000

 3762 18:44:56.992449  <4>[   94.326819] [<c0873c44>] (refcount_warn_saturate) from [<c135c9d0>] (__refcount_dec.constprop.0+0x38/0x3c)

 3763 18:44:57.003491  <4>[   94.336750] [<c135c998>] (__refcount_dec.constprop.0) from [<c135ccfc>] (lkdtm_REFCOUNT_DEC_ZERO+0x5c/0xd8)

 3764 18:44:57.011770  <4>[   94.346770] [<c135cca0>] (lkdtm_REFCOUNT_DEC_ZERO) from [<c0c35320>] (lkdtm_do_action+0x2c/0x4c)

 3765 18:44:57.016524  <4>[   94.355825]  r4:0000002f

 3766 18:44:57.023083  <4>[   94.358634] [<c0c352f4>] (lkdtm_do_action) from [<c0c35820>] (direct_entry+0x120/0x18c)

 3767 18:44:57.030729  <4>[   94.366916] [<c0c35700>] (direct_entry) from [<c07e184c>] (full_proxy_write+0x64/0x94)

 3768 18:44:57.039896  <4>[   94.375106]  r9:c69d5f60 r8:c50fdd80 r7:00000012 r6:b6e7e000 r5:c5c4edc0 r4:c0c35700

 3769 18:44:57.046680  <4>[   94.383130] [<c07e17e8>] (full_proxy_write) from [<c059968c>] (vfs_write+0x10c/0x524)

 3770 18:44:57.055384  <4>[   94.391234]  r9:c07e17e8 r8:c69d5f60 r7:c2815800 r6:b6e7e000 r5:c5c4edc0 r4:00000000

 3771 18:44:57.062290  <4>[   94.399251] [<c0599580>] (vfs_write) from [<c0599c20>] (ksys_write+0x74/0xec)

 3772 18:44:57.071467  <4>[   94.406660]  r10:00000004 r9:00000000 r8:00000000 r7:b6e7e000 r6:c69d4000 r5:c5c4edc0

 3773 18:44:57.075457  <4>[   94.414758]  r4:c5c4edc0

 3774 18:44:57.080605  <4>[   94.417567] [<c0599bac>] (ksys_write) from [<c0599cb0>] (sys_write+0x18/0x1c)

 3775 18:44:57.088931  <4>[   94.424976]  r9:c69d4000 r8:c03002e4 r7:00000004 r6:b6fc5e00 r5:00000012 r4:00000012

 3776 18:44:57.096815  <4>[   94.432996] [<c0599c98>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 3777 18:44:57.101679  <4>[   94.440835] Exception stack(0xc69d5fa8 to 0xc69d5ff0)

 3778 18:44:57.110821  <4>[   94.446159] 5fa0:                   00000012 00000012 00000001 b6e7e000 00000012 00000000

 3779 18:44:57.118277  <4>[   94.454610] 5fc0: 00000012 00000012 b6fc5e00 00000004 00000001 00000000 00020000 bef1aa64

 3780 18:44:57.123572  <4>[   94.463057] 5fe0: 00000004 bef1a798 b6f304cf b6eb67e6

 3781 18:44:57.128725  <4>[   94.468452] irq event stamp: 0

 3782 18:44:57.134154  <4>[   94.471821] hardirqs last  enabled at (0): [<00000000>] 0x0

 3783 18:44:57.141758  <4>[   94.477682] hardirqs last disabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974

 3784 18:44:57.149385  <4>[   94.485485] softirqs last  enabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974

 3785 18:44:57.155416  <4>[   94.493282] softirqs last disabled at (0): [<00000000>] 0x0

 3786 18:44:57.160260  <4>[   94.499130] ---[ end trace 6556776c6b5d5071 ]---

 3787 18:44:57.164485  <6>[   94.504059] lkdtm: Zero detected: saturated

 3788 18:44:57.276546  # [   94.176130] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO

 3789 18:44:57.282747  # [   94.182217] lkdtm: attempting good refcount_dec()

 3790 18:44:57.287043  # [   94.187220] lkdtm: attempting bad refcount_dec() to zero

 3791 18:44:57.292505  # [   94.192881] ------------[ cut here ]------------

 3792 18:44:57.298848  # [   94.197792] WARNING: CPU: 2 PID: 2731 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174

 3793 18:44:57.306460  # [   94.206562] refcount_t: decrement hit 0; leaking memory.

 3794 18:44:57.335063  # [   94.212199] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3

 3795 18:44:57.341835  # [   94.241693] CPU: 2 PID: 2731 Comm: cat Tainted: G      D W         5.10.170-cip27 #1

 3796 18:44:57.349756  # [   94.249708] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 3797 18:44:57.351598  # [   94.256504] Backtrace: 

 3798 18:44:57.361613  # [   94.259243] [<c134e998>] (dump_backtrace) from [<c134ed58>] (show_stack+0x20/0x24)

 3799 18:44:57.367138  # [   94.267087]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978

 3800 18:44:57.374541  # [   94.273027] [<c134ed38>] (show_stack) from [<c1355fa8>] (dump_stack+0xe0/0x100)

 3801 18:44:57.379752  # [   94.280618] [<c1355ec8>] (dump_stack) from [<c0356804>] (__warn+0x98/0x14c)

 3802 18:44:57.387944  # [   94.287853]  r9:00000009 r8:c0873cb0 r7:0000001f r6:00000009 r5:c0873cb0 r4:c1a20a0c

 3803 18:44:57.394918  # [   94.295873] [<c035676c>] (__warn) from [<c134fe90>] (warn_slowpath_fmt+0x8c/0xa8)

 3804 18:44:57.402679  # [   94.303628]  r7:0000001f r6:c1a20a0c r5:c1a20a70 r4:c69d4000

 3805 18:44:57.410462  # [   94.309563] [<c134fe08>] (warn_slowpath_fmt) from [<c0873cb0>] (refcount_warn_saturate+0x6c/0x174)

 3806 18:44:57.417203  # [   94.318796]  r9:c1acc9f8 r8:c15e88e4 r7:c69d5f60 r6:00000012 r5:c5aa0000 r4:c69d4000

 3807 18:44:57.427743  # [   94.326819] [<c0873c44>] (refcount_warn_saturate) from [<c135c9d0>] (__refcount_dec.constprop.0+0x38/0x3c)

 3808 18:44:57.440793  # [   94.336750] [<c135c998>] (__refcount_dec.constprop.0) from [<c135ccfc>] (lkdtm_REFCOUNT_DEC_ZERO+0x5c/0xd8)

 3809 18:44:57.447198  # [   94.346770] [<c135cca0>] (lkdtm_REFCOUNT_DEC_ZERO) from [<c0c35320>] (lkdtm_do_action+0x2c/0x4c)

 3810 18:44:57.450420  # [   94.355825]  r4:0000002f

 3811 18:44:57.458793  # [   94.358634] [<c0c352f4>] (lkdtm_do_action) from [<c0c35820>] (direct_entry+0x120/0x18c)

 3812 18:44:57.465678  # [   94.366916] [<c0c35700>] (direct_entry) from [<c07e184c>] (full_proxy_write+0x64/0x94)

 3813 18:44:57.472991  # [   94.375106]  r9:c69d5f60 r8:c50fdd80 r7:00000012 r6:b6e7e000 r5:c5c4edc0 r4:c0c35700

 3814 18:44:57.481279  # [   94.383130] [<c07e17e8>] (full_proxy_write) from [<c059968c>] (vfs_write+0x10c/0x524)

 3815 18:44:57.489434  # [   94.391234]  r9:c07e17e8 r8:c69d5f60 r7:c2815800 r6:b6e7e000 r5:c5c4edc0 r4:00000000

 3816 18:44:57.498258  # [   94.399251] [<c0599580>] (vfs_write) from [<c0599c20>] (ksys_write+0x74/0xec)

 3817 18:44:57.506815  # [   94.406660]  r10:00000004 r9:00000000 r8:00000000 r7:b6e7e000 r6:c69d4000 r5:c5c4edc0

 3818 18:44:57.508245  # [   94.414758]  r4:c5c4edc0

 3819 18:44:57.514434  # [   94.417567] [<c0599bac>] (ksys_write) from [<c0599cb0>] (sys_write+0x18/0x1c)

 3820 18:44:57.523175  # [   94.424976]  r9:c69d4000 r8:c03002e4 r7:00000004 r6:b6fc5e00 r5:00000012 r4:00000012

 3821 18:44:57.531412  # [   94.432996] [<c0599c98>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 3822 18:44:57.535573  # [   94.440835] Exception stack(0xc69d5fa8 to 0xc69d5ff0)

 3823 18:44:57.543503  # [   94.446159] 5fa0:                   00000012 00000012 00000001 b6e7e000 00000012 00000000

 3824 18:44:57.551916  # [   94.454610] 5fc0: 00000012 00000012 b6fc5e00 00000004 00000001 00000000 00020000 bef1aa64

 3825 18:44:57.559695  # [   94.463057] 5fe0: 00000004 bef1a798 b6f304cf b6eb67e6

 3826 18:44:57.561459  # [   94.468452] irq event stamp: 0

 3827 18:44:57.565497  # [   94.471821] hardirqs last  enabled at (0): [<00000000>] 0x0

 3828 18:44:57.573808  # [   94.477682] hardirqs last disabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974

 3829 18:44:57.581542  # [   94.485485] softirqs last  enabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974

 3830 18:44:57.588846  # [   94.493282] softirqs last disabled at (0): [<00000000>] 0x0

 3831 18:44:57.591427  # [   94.499130] ---[ end trace 6556776c6b5d5071 ]---

 3832 18:44:57.597809  # [   94.504059] lkdtm: Zero detected: saturated

 3833 18:44:57.602007  # REFCOUNT_DEC_ZERO: missing 'call trace:': [FAIL]

 3834 18:44:57.605908  not ok 46 selftests: lkdtm: REFCOUNT_DEC_ZERO.sh # exit=1

 3835 18:44:57.608820  # selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh

 3836 18:44:57.705299  <6>[   95.039046] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE

 3837 18:44:57.709905  <6>[   95.045511] lkdtm: attempting bad refcount_dec() below zero

 3838 18:44:57.711742  <4>[   95.051483] ------------[ cut here ]------------

 3839 18:44:57.720548  <4>[   95.056418] WARNING: CPU: 1 PID: 2768 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174

 3840 18:44:57.726303  <4>[   95.065184] refcount_t: decrement hit 0; leaking memory.

 3841 18:44:57.755743  <4>[   95.070772] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3

 3842 18:44:57.764547  <4>[   95.100326] CPU: 1 PID: 2768 Comm: cat Tainted: G      D W         5.10.170-cip27 #1

 3843 18:44:57.770651  <4>[   95.108342] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 3844 18:44:57.773690  <4>[   95.115139] Backtrace: 

 3845 18:44:57.782052  <4>[   95.117879] [<c134e998>] (dump_backtrace) from [<c134ed58>] (show_stack+0x20/0x24)

 3846 18:44:57.788642  <4>[   95.125723]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978

 3847 18:44:57.794735  <4>[   95.131662] [<c134ed38>] (show_stack) from [<c1355fa8>] (dump_stack+0xe0/0x100)

 3848 18:44:57.802596  <4>[   95.139253] [<c1355ec8>] (dump_stack) from [<c0356804>] (__warn+0x98/0x14c)

 3849 18:44:57.811785  <4>[   95.146490]  r9:00000009 r8:c0873cb0 r7:0000001f r6:00000009 r5:c0873cb0 r4:c1a20a0c

 3850 18:44:57.818429  <4>[   95.154509] [<c035676c>] (__warn) from [<c134fe90>] (warn_slowpath_fmt+0x8c/0xa8)

 3851 18:44:57.824581  <4>[   95.162262]  r7:0000001f r6:c1a20a0c r5:c1a20a70 r4:c6caa000

 3852 18:44:57.834086  <4>[   95.168199] [<c134fe08>] (warn_slowpath_fmt) from [<c0873cb0>] (refcount_warn_saturate+0x6c/0x174)

 3853 18:44:57.841531  <4>[   95.177432]  r9:c1acca0c r8:c15e88e4 r7:c6cabf60 r6:00000016 r5:00000000 r4:c6caa000

 3854 18:44:57.853183  <4>[   95.185456] [<c0873c44>] (refcount_warn_saturate) from [<c135c9d0>] (__refcount_dec.constprop.0+0x38/0x3c)

 3855 18:44:57.863374  <4>[   95.195389] [<c135c998>] (__refcount_dec.constprop.0) from [<c135cdc0>] (lkdtm_REFCOUNT_DEC_NEGATIVE+0x48/0x70)

 3856 18:44:57.874381  <4>[   95.205755] [<c135cd78>] (lkdtm_REFCOUNT_DEC_NEGATIVE) from [<c0c35320>] (lkdtm_do_action+0x2c/0x4c)

 3857 18:44:57.875436  <4>[   95.215155]  r5:c6830000 r4:00000030

 3858 18:44:57.885480  <4>[   95.219005] [<c0c352f4>] (lkdtm_do_action) from [<c0c35820>] (direct_entry+0x120/0x18c)

 3859 18:44:57.891587  <4>[   95.227288] [<c0c35700>] (direct_entry) from [<c07e184c>] (full_proxy_write+0x64/0x94)

 3860 18:44:57.899489  <4>[   95.235478]  r9:c6cabf60 r8:c50fdd80 r7:00000016 r6:b6e5b000 r5:c5a86140 r4:c0c35700

 3861 18:44:57.909195  <4>[   95.243502] [<c07e17e8>] (full_proxy_write) from [<c059968c>] (vfs_write+0x10c/0x524)

 3862 18:44:57.916576  <4>[   95.251605]  r9:c07e17e8 r8:c6cabf60 r7:c2815800 r6:b6e5b000 r5:c5a86140 r4:00000000

 3863 18:44:57.924139  <4>[   95.259621] [<c0599580>] (vfs_write) from [<c0599c20>] (ksys_write+0x74/0xec)

 3864 18:44:57.931380  <4>[   95.267030]  r10:00000004 r9:00000000 r8:00000000 r7:b6e5b000 r6:c6caa000 r5:c5a86140

 3865 18:44:57.935394  <4>[   95.275128]  r4:c5a86140

 3866 18:44:57.941476  <4>[   95.277938] [<c0599bac>] (ksys_write) from [<c0599cb0>] (sys_write+0x18/0x1c)

 3867 18:44:57.951138  <4>[   95.285346]  r9:c6caa000 r8:c03002e4 r7:00000004 r6:b6fa2e00 r5:00000016 r4:00000016

 3868 18:44:57.958352  <4>[   95.293367] [<c0599c98>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 3869 18:44:57.963021  <4>[   95.301206] Exception stack(0xc6cabfa8 to 0xc6cabff0)

 3870 18:44:57.970828  <4>[   95.306531] bfa0:                   00000016 00000016 00000001 b6e5b000 00000016 00000000

 3871 18:44:57.979812  <4>[   95.314981] bfc0: 00000016 00000016 b6fa2e00 00000004 00000001 00000000 00020000 be802a64

 3872 18:44:57.984723  <4>[   95.323428] bfe0: 00000004 be802798 b6f0d4cf b6e937e6

 3873 18:44:57.987726  <4>[   95.328852] irq event stamp: 0

 3874 18:44:57.996889  <4>[   95.332221] hardirqs last  enabled at (0): [<00000000>] 0x0

 3875 18:44:58.003858  <4>[   95.338079] hardirqs last disabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974

 3876 18:44:58.011676  <4>[   95.345908] softirqs last  enabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974

 3877 18:44:58.015935  <4>[   95.353735] softirqs last disabled at (0): [<00000000>] 0x0

 3878 18:44:58.019842  <4>[   95.359589] ---[ end trace 6556776c6b5d5072 ]---

 3879 18:44:58.024710  <6>[   95.364530] lkdtm: Negative detected: saturated

 3880 18:44:58.147303  # [   95.039046] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE

 3881 18:44:58.151691  # [   95.045511] lkdtm: attempting bad refcount_dec() below zero

 3882 18:44:58.157066  # [   95.051483] ------------[ cut here ]------------

 3883 18:44:58.166813  # [   95.056418] WARNING: CPU: 1 PID: 2768 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174

 3884 18:44:58.171293  # [   95.065184] refcount_t: decrement hit 0; leaking memory.

 3885 18:44:58.200092  # [   95.070772] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3

 3886 18:44:58.207484  # [   95.100326] CPU: 1 PID: 2768 Comm: cat Tainted: G      D W         5.10.170-cip27 #1

 3887 18:44:58.214422  # [   95.108342] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 3888 18:44:58.217867  # [   95.115139] Backtrace: 

 3889 18:44:58.225550  # [   95.117879] [<c134e998>] (dump_backtrace) from [<c134ed58>] (show_stack+0x20/0x24)

 3890 18:44:58.229928  # [   95.125723]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978

 3891 18:44:58.237472  # [   95.131662] [<c134ed38>] (show_stack) from [<c1355fa8>] (dump_stack+0xe0/0x100)

 3892 18:44:58.246682  # [   95.139253] [<c1355ec8>] (dump_stack) from [<c0356804>] (__warn+0x98/0x14c)

 3893 18:44:58.256517  # [   95.146490]  r9:00000009 r8:c0873cb0 r7:0000001f r6:00000009 r5:c0873cb0 r4:c1a20a0c

 3894 18:44:58.261806  # [   95.154509] [<c035676c>] (__warn) from [<c134fe90>] (warn_slowpath_fmt+0x8c/0xa8)

 3895 18:44:58.266242  # [   95.162262]  r7:0000001f r6:c1a20a0c r5:c1a20a70 r4:c6caa000

 3896 18:44:58.275217  # [   95.168199] [<c134fe08>] (warn_slowpath_fmt) from [<c0873cb0>] (refcount_warn_saturate+0x6c/0x174)

 3897 18:44:58.283908  # [   95.177432]  r9:c1acca0c r8:c15e88e4 r7:c6cabf60 r6:00000016 r5:00000000 r4:c6caa000

 3898 18:44:58.292569  # [   95.185456] [<c0873c44>] (refcount_warn_saturate) from [<c135c9d0>] (__refcount_dec.constprop.0+0x38/0x3c)

 3899 18:44:58.305913  # [   95.195389] [<c135c998>] (__refcount_dec.constprop.0) from [<c135cdc0>] (lkdtm_REFCOUNT_DEC_NEGATIVE+0x48/0x70)

 3900 18:44:58.313930  # [   95.205755] [<c135cd78>] (lkdtm_REFCOUNT_DEC_NEGATIVE) from [<c0c35320>] (lkdtm_do_action+0x2c/0x4c)

 3901 18:44:58.318113  # [   95.215155]  r5:c6830000 r4:00000030

 3902 18:44:58.325685  # [   95.219005] [<c0c352f4>] (lkdtm_do_action) from [<c0c35820>] (direct_entry+0x120/0x18c)

 3903 18:44:58.332440  # [   95.227288] [<c0c35700>] (direct_entry) from [<c07e184c>] (full_proxy_write+0x64/0x94)

 3904 18:44:58.342152  # [   95.235478]  r9:c6cabf60 r8:c50fdd80 r7:00000016 r6:b6e5b000 r5:c5a86140 r4:c0c35700

 3905 18:44:58.349975  # [   95.243502] [<c07e17e8>] (full_proxy_write) from [<c059968c>] (vfs_write+0x10c/0x524)

 3906 18:44:58.355592  # [   95.251605]  r9:c07e17e8 r8:c6cabf60 r7:c2815800 r6:b6e5b000 r5:c5a86140 r4:00000000

 3907 18:44:58.364191  # [   95.259621] [<c0599580>] (vfs_write) from [<c0599c20>] (ksys_write+0x74/0xec)

 3908 18:44:58.370829  # [   95.267030]  r10:00000004 r9:00000000 r8:00000000 r7:b6e5b000 r6:c6caa000 r5:c5a86140

 3909 18:44:58.376086  # [   95.275128]  r4:c5a86140

 3910 18:44:58.382650  # [   95.277938] [<c0599bac>] (ksys_write) from [<c0599cb0>] (sys_write+0x18/0x1c)

 3911 18:44:58.390812  # [   95.285346]  r9:c6caa000 r8:c03002e4 r7:00000004 r6:b6fa2e00 r5:00000016 r4:00000016

 3912 18:44:58.396818  # [   95.293367] [<c0599c98>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 3913 18:44:58.404853  # [   95.301206] Exception stack(0xc6cabfa8 to 0xc6cabff0)

 3914 18:44:58.412338  # [   95.306531] bfa0:                   00000016 00000016 00000001 b6e5b000 00000016 00000000

 3915 18:44:58.421772  # [   95.314981] bfc0: 00000016 00000016 b6fa2e00 00000004 00000001 00000000 00020000 be802a64

 3916 18:44:58.424498  # [   95.323428] bfe0: 00000004 be802798 b6f0d4cf b6e937e6

 3917 18:44:58.427615  # [   95.328852] irq event stamp: 0

 3918 18:44:58.432717  # [   95.332221] hardirqs last  enabled at (0): [<00000000>] 0x0

 3919 18:44:58.439977  # [   95.338079] hardirqs last disabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974

 3920 18:44:58.448695  # [   95.345908] softirqs last  enabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974

 3921 18:44:58.453672  # [   95.353735] softirqs last disabled at (0): [<00000000>] 0x0

 3922 18:44:58.460453  # [   95.359589] ---[ end trace 6556776c6b5d5072 ]---

 3923 18:44:58.464135  # [   95.364530] lkdtm: Negative detected: saturated

 3924 18:44:58.469618  # REFCOUNT_DEC_NEGATIVE: saw 'Negative detected: saturated': ok

 3925 18:44:58.474131  ok 47 selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh

 3926 18:44:58.477746  # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh

 3927 18:44:58.566698  <6>[   95.903568] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE

 3928 18:44:58.572698  <6>[   95.910644] lkdtm: attempting bad refcount_dec_and_test() below zero

 3929 18:44:58.577785  <4>[   95.917355] ------------[ cut here ]------------

 3930 18:44:58.587428  <4>[   95.922310] WARNING: CPU: 0 PID: 2803 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174

 3931 18:44:58.592367  <4>[   95.931161] refcount_t: underflow; use-after-free.

 3932 18:44:58.621244  <4>[   95.936226] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3

 3933 18:44:58.630883  <4>[   95.965817] CPU: 0 PID: 2803 Comm: cat Tainted: G      D W         5.10.170-cip27 #1

 3934 18:44:58.638136  <4>[   95.973834] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 3935 18:44:58.639997  <4>[   95.980630] Backtrace: 

 3936 18:44:58.648092  <4>[   95.983372] [<c134e998>] (dump_backtrace) from [<c134ed58>] (show_stack+0x20/0x24)

 3937 18:44:58.655055  <4>[   95.991216]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978

 3938 18:44:58.661111  <4>[   95.997155] [<c134ed38>] (show_stack) from [<c1355fa8>] (dump_stack+0xe0/0x100)

 3939 18:44:58.668612  <4>[   96.004744] [<c1355ec8>] (dump_stack) from [<c0356804>] (__warn+0x98/0x14c)

 3940 18:44:58.676628  <4>[   96.011981]  r9:00000009 r8:c0873d80 r7:0000001c r6:00000009 r5:c0873d80 r4:c1a20a0c

 3941 18:44:58.683039  <4>[   96.020002] [<c035676c>] (__warn) from [<c134fe90>] (warn_slowpath_fmt+0x8c/0xa8)

 3942 18:44:58.691755  <4>[   96.027755]  r7:0000001c r6:c1a20a0c r5:c1a20a48 r4:c5c34000

 3943 18:44:58.700507  <4>[   96.033691] [<c134fe08>] (warn_slowpath_fmt) from [<c0873d80>] (refcount_warn_saturate+0x13c/0x174)

 3944 18:44:58.707935  <4>[   96.043009]  r9:c1acca24 r8:c15e88e4 r7:c5c35f60 r6:0000001f r5:00000000 r4:c5c34000

 3945 18:44:58.720598  <4>[   96.051031] [<c0873c44>] (refcount_warn_saturate) from [<c0c3641c>] (__refcount_sub_and_test.constprop.0+0x64/0x6c)

 3946 18:44:58.729171  <4>[   96.061752] [<c0c363b8>] (__refcount_sub_and_test.constprop.0) from [<c135ce38>] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x50/0x8c)

 3947 18:44:58.739981  <4>[   96.073678] [<c135cde8>] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE) from [<c0c35320>] (lkdtm_do_action+0x2c/0x4c)

 3948 18:44:58.746223  <4>[   96.083861]  r5:c6925000 r4:00000031

 3949 18:44:58.751985  <4>[   96.087711] [<c0c352f4>] (lkdtm_do_action) from [<c0c35820>] (direct_entry+0x120/0x18c)

 3950 18:44:58.760619  <4>[   96.095992] [<c0c35700>] (direct_entry) from [<c07e184c>] (full_proxy_write+0x64/0x94)

 3951 18:44:58.768173  <4>[   96.104181]  r9:c5c35f60 r8:c50fdd80 r7:0000001f r6:b6e0e000 r5:c690d180 r4:c0c35700

 3952 18:44:58.778509  <4>[   96.112204] [<c07e17e8>] (full_proxy_write) from [<c059968c>] (vfs_write+0x10c/0x524)

 3953 18:44:58.786158  <4>[   96.120306]  r9:c07e17e8 r8:c5c35f60 r7:c2815800 r6:b6e0e000 r5:c690d180 r4:00000000

 3954 18:44:58.792751  <4>[   96.128322] [<c0599580>] (vfs_write) from [<c0599c20>] (ksys_write+0x74/0xec)

 3955 18:44:58.800438  <4>[   96.135731]  r10:00000004 r9:00000000 r8:00000000 r7:b6e0e000 r6:c5c34000 r5:c690d180

 3956 18:44:58.803698  <4>[   96.143827]  r4:c690d180

 3957 18:44:58.810923  <4>[   96.146635] [<c0599bac>] (ksys_write) from [<c0599cb0>] (sys_write+0x18/0x1c)

 3958 18:44:58.818433  <4>[   96.154044]  r9:c5c34000 r8:c03002e4 r7:00000004 r6:b6f55e00 r5:0000001f r4:0000001f

 3959 18:44:58.827546  <4>[   96.162064] [<c0599c98>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 3960 18:44:58.831260  <4>[   96.169903] Exception stack(0xc5c35fa8 to 0xc5c35ff0)

 3961 18:44:58.840294  <4>[   96.175228] 5fa0:                   0000001f 0000001f 00000001 b6e0e000 0000001f 00000000

 3962 18:44:58.847808  <4>[   96.183679] 5fc0: 0000001f 0000001f b6f55e00 00000004 00000001 00000000 00020000 bed04a64

 3963 18:44:58.853630  <4>[   96.192127] 5fe0: 00000004 bed04798 b6ec04cf b6e467e6

 3964 18:44:58.856474  <4>[   96.197533] irq event stamp: 0

 3965 18:44:58.862992  <4>[   96.200872] hardirqs last  enabled at (0): [<00000000>] 0x0

 3966 18:44:58.872748  <4>[   96.206764] hardirqs last disabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974

 3967 18:44:58.877689  <4>[   96.214700] softirqs last  enabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974

 3968 18:44:58.884641  <4>[   96.222548] softirqs last disabled at (0): [<00000000>] 0x0

 3969 18:44:58.888901  <4>[   96.228402] ---[ end trace 6556776c6b5d5073 ]---

 3970 18:44:58.893590  <6>[   96.233332] lkdtm: Negative detected: saturated

 3971 18:44:59.040905  # [   95.903568] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE

 3972 18:44:59.048655  # [   95.910644] lkdtm: attempting bad refcount_dec_and_test() below zero

 3973 18:44:59.052444  # [   95.917355] ------------[ cut here ]------------

 3974 18:44:59.061297  # [   95.922310] WARNING: CPU: 0 PID: 2803 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174

 3975 18:44:59.064819  # [   95.931161] refcount_t: underflow; use-after-free.

 3976 18:44:59.095566  # [   95.936226] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3

 3977 18:44:59.104838  # [   95.965817] CPU: 0 PID: 2803 Comm: cat Tainted: G      D W         5.10.170-cip27 #1

 3978 18:44:59.109059  # [   95.973834] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 3979 18:44:59.113601  # [   95.980630] Backtrace: 

 3980 18:44:59.118891  # [   95.983372] [<c134e998>] (dump_backtrace) from [<c134ed58>] (show_stack+0x20/0x24)

 3981 18:44:59.124621  # [   95.991216]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978

 3982 18:44:59.134508  # [   95.997155] [<c134ed38>] (show_stack) from [<c1355fa8>] (dump_stack+0xe0/0x100)

 3983 18:44:59.141237  # [   96.004744] [<c1355ec8>] (dump_stack) from [<c0356804>] (__warn+0x98/0x14c)

 3984 18:44:59.147973  # [   96.011981]  r9:00000009 r8:c0873d80 r7:0000001c r6:00000009 r5:c0873d80 r4:c1a20a0c

 3985 18:44:59.154513  # [   96.020002] [<c035676c>] (__warn) from [<c134fe90>] (warn_slowpath_fmt+0x8c/0xa8)

 3986 18:44:59.161946  # [   96.027755]  r7:0000001c r6:c1a20a0c r5:c1a20a48 r4:c5c34000

 3987 18:44:59.171292  # [   96.033691] [<c134fe08>] (warn_slowpath_fmt) from [<c0873d80>] (refcount_warn_saturate+0x13c/0x174)

 3988 18:44:59.178528  # [   96.043009]  r9:c1acca24 r8:c15e88e4 r7:c5c35f60 r6:0000001f r5:00000000 r4:c5c34000

 3989 18:44:59.191991  # [   96.051031] [<c0873c44>] (refcount_warn_saturate) from [<c0c3641c>] (__refcount_sub_and_test.constprop.0+0x64/0x6c)

 3990 18:44:59.201880  # [   96.061752] [<c0c363b8>] (__refcount_sub_and_test.constprop.0) from [<c135ce38>] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x50/0x8c)

 3991 18:44:59.212606  # [   96.073678] [<c135cde8>] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE) from [<c0c35320>] (lkdtm_do_action+0x2c/0x4c)

 3992 18:44:59.217526  # [   96.083861]  r5:c6925000 r4:00000031

 3993 18:44:59.223523  # [   96.087711] [<c0c352f4>] (lkdtm_do_action) from [<c0c35820>] (direct_entry+0x120/0x18c)

 3994 18:44:59.230877  # [   96.095992] [<c0c35700>] (direct_entry) from [<c07e184c>] (full_proxy_write+0x64/0x94)

 3995 18:44:59.238453  # [   96.104181]  r9:c5c35f60 r8:c50fdd80 r7:0000001f r6:b6e0e000 r5:c690d180 r4:c0c35700

 3996 18:44:59.246441  # [   96.112204] [<c07e17e8>] (full_proxy_write) from [<c059968c>] (vfs_write+0x10c/0x524)

 3997 18:44:59.254624  # [   96.120306]  r9:c07e17e8 r8:c5c35f60 r7:c2815800 r6:b6e0e000 r5:c690d180 r4:00000000

 3998 18:44:59.261507  # [   96.128322] [<c0599580>] (vfs_write) from [<c0599c20>] (ksys_write+0x74/0xec)

 3999 18:44:59.269540  # [   96.135731]  r10:00000004 r9:00000000 r8:00000000 r7:b6e0e000 r6:c5c34000 r5:c690d180

 4000 18:44:59.274032  # [   96.143827]  r4:c690d180

 4001 18:44:59.281174  # [   96.146635] [<c0599bac>] (ksys_write) from [<c0599cb0>] (sys_write+0x18/0x1c)

 4002 18:44:59.289382  # [   96.154044]  r9:c5c34000 r8:c03002e4 r7:00000004 r6:b6f55e00 r5:0000001f r4:0000001f

 4003 18:44:59.296590  # [   96.162064] [<c0599c98>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 4004 18:44:59.301780  # [   96.169903] Exception stack(0xc5c35fa8 to 0xc5c35ff0)

 4005 18:44:59.312170  # [   96.175228] 5fa0:                   0000001f 0000001f 00000001 b6e0e000 0000001f 00000000

 4006 18:44:59.318788  # [   96.183679] 5fc0: 0000001f 0000001f b6f55e00 00000004 00000001 00000000 00020000 bed04a64

 4007 18:44:59.322345  # [   96.192127] 5fe0: 00000004 bed04798 b6ec04cf b6e467e6

 4008 18:44:59.326573  # [   96.197533] irq event stamp: 0

 4009 18:44:59.333614  # [   96.200872] hardirqs last  enabled at (0): [<00000000>] 0x0

 4010 18:44:59.340870  # [   96.206764] hardirqs last disabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974

 4011 18:44:59.347557  # [   96.214700] softirqs last  enabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974

 4012 18:44:59.355382  # [   96.222548] softirqs last disabled at (0): [<00000000>] 0x0

 4013 18:44:59.358583  # [   96.228402] ---[ end trace 6556776c6b5d5073 ]---

 4014 18:44:59.363760  # [   96.233332] lkdtm: Negative detected: saturated

 4015 18:44:59.368631  # REFCOUNT_DEC_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok

 4016 18:44:59.376298  ok 48 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh

 4017 18:44:59.377638  # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh

 4018 18:44:59.462634  <6>[   96.798606] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE

 4019 18:44:59.468550  <6>[   96.805730] lkdtm: attempting bad refcount_sub_and_test() below zero

 4020 18:44:59.477813  <4>[   96.812446] ------------[ cut here ]------------

 4021 18:44:59.484500  <4>[   96.817356] WARNING: CPU: 1 PID: 2838 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174

 4022 18:44:59.486568  <4>[   96.826201] refcount_t: underflow; use-after-free.

 4023 18:44:59.517099  <4>[   96.831316] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3

 4024 18:44:59.527451  <4>[   96.860809] CPU: 1 PID: 2838 Comm: cat Tainted: G      D W         5.10.170-cip27 #1

 4025 18:44:59.531713  <4>[   96.868823] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 4026 18:44:59.534640  <4>[   96.875623] Backtrace: 

 4027 18:44:59.541929  <4>[   96.878361] [<c134e998>] (dump_backtrace) from [<c134ed58>] (show_stack+0x20/0x24)

 4028 18:44:59.548997  <4>[   96.886206]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978

 4029 18:44:59.558744  <4>[   96.892145] [<c134ed38>] (show_stack) from [<c1355fa8>] (dump_stack+0xe0/0x100)

 4030 18:44:59.563462  <4>[   96.899737] [<c1355ec8>] (dump_stack) from [<c0356804>] (__warn+0x98/0x14c)

 4031 18:44:59.571850  <4>[   96.906974]  r9:00000009 r8:c0873d80 r7:0000001c r6:00000009 r5:c0873d80 r4:c1a20a0c

 4032 18:44:59.578523  <4>[   96.914996] [<c035676c>] (__warn) from [<c134fe90>] (warn_slowpath_fmt+0x8c/0xa8)

 4033 18:44:59.584445  <4>[   96.922749]  r7:0000001c r6:c1a20a0c r5:c1a20a48 r4:c688e000

 4034 18:44:59.596282  <4>[   96.928686] [<c134fe08>] (warn_slowpath_fmt) from [<c0873d80>] (refcount_warn_saturate+0x13c/0x174)

 4035 18:44:59.602210  <4>[   96.938005]  r9:c1acca44 r8:c15e88e4 r7:c688ff60 r6:0000001f r5:c5939000 r4:c688e000

 4036 18:44:59.614533  <4>[   96.946028] [<c0873c44>] (refcount_warn_saturate) from [<c0c3641c>] (__refcount_sub_and_test.constprop.0+0x64/0x6c)

 4037 18:44:59.627083  <4>[   96.956747] [<c0c363b8>] (__refcount_sub_and_test.constprop.0) from [<c135cec4>] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x50/0x8c)

 4038 18:44:59.635921  <4>[   96.968672] [<c135ce74>] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE) from [<c0c35320>] (lkdtm_do_action+0x2c/0x4c)

 4039 18:44:59.637583  <4>[   96.978853]  r4:00000032

 4040 18:44:59.645684  <4>[   96.981660] [<c0c352f4>] (lkdtm_do_action) from [<c0c35820>] (direct_entry+0x120/0x18c)

 4041 18:44:59.653838  <4>[   96.989943] [<c0c35700>] (direct_entry) from [<c07e184c>] (full_proxy_write+0x64/0x94)

 4042 18:44:59.661452  <4>[   96.998134]  r9:c688ff60 r8:c50fdd80 r7:0000001f r6:b6ea6000 r5:c2fea280 r4:c0c35700

 4043 18:44:59.670594  <4>[   97.006154] [<c07e17e8>] (full_proxy_write) from [<c059968c>] (vfs_write+0x10c/0x524)

 4044 18:44:59.677533  <4>[   97.014258]  r9:c07e17e8 r8:c688ff60 r7:c2815800 r6:b6ea6000 r5:c2fea280 r4:00000000

 4045 18:44:59.686715  <4>[   97.022273] [<c0599580>] (vfs_write) from [<c0599c20>] (ksys_write+0x74/0xec)

 4046 18:44:59.694757  <4>[   97.029681]  r10:00000004 r9:00000000 r8:00000000 r7:b6ea6000 r6:c688e000 r5:c2fea280

 4047 18:44:59.695810  <4>[   97.037778]  r4:c2fea280

 4048 18:44:59.704462  <4>[   97.040587] [<c0599bac>] (ksys_write) from [<c0599cb0>] (sys_write+0x18/0x1c)

 4049 18:44:59.712467  <4>[   97.047995]  r9:c688e000 r8:c03002e4 r7:00000004 r6:b6fede00 r5:0000001f r4:0000001f

 4050 18:44:59.721951  <4>[   97.056014] [<c0599c98>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 4051 18:44:59.725058  <4>[   97.063853] Exception stack(0xc688ffa8 to 0xc688fff0)

 4052 18:44:59.737107  <4>[   97.069179] ffa0:                   0000001f 0000001f 00000001 b6ea6000 0000001f 00000000

 4053 18:44:59.742614  <4>[   97.077630] ffc0: 0000001f 0000001f b6fede00 00000004 00000001 00000000 00020000 beefea64

 4054 18:44:59.746643  <4>[   97.086079] ffe0: 00000004 beefe798 b6f584cf b6ede7e6

 4055 18:44:59.752372  <4>[   97.091492] irq event stamp: 0

 4056 18:44:59.757724  <4>[   97.094833] hardirqs last  enabled at (0): [<00000000>] 0x0

 4057 18:44:59.764363  <4>[   97.100689] hardirqs last disabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974

 4058 18:44:59.772598  <4>[   97.108517] softirqs last  enabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974

 4059 18:44:59.779957  <4>[   97.116317] softirqs last disabled at (0): [<00000000>] 0x0

 4060 18:44:59.784647  <4>[   97.122217] ---[ end trace 6556776c6b5d5074 ]---

 4061 18:44:59.787735  <6>[   97.127118] lkdtm: Negative detected: saturated

 4062 18:44:59.928931  # [   96.798606] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE

 4063 18:44:59.933813  # [   96.805730] lkdtm: attempting bad refcount_sub_and_test() below zero

 4064 18:44:59.939487  # [   96.812446] ------------[ cut here ]------------

 4065 18:44:59.947564  # [   96.817356] WARNING: CPU: 1 PID: 2838 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174

 4066 18:44:59.955683  # [   96.826201] refcount_t: underflow; use-after-free.

 4067 18:44:59.981977  # [   96.831316] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3

 4068 18:44:59.989888  # [   96.860809] CPU: 1 PID: 2838 Comm: cat Tainted: G      D W         5.10.170-cip27 #1

 4069 18:44:59.998525  # [   96.868823] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 4070 18:45:00.001759  # [   96.875623] Backtrace: 

 4071 18:45:00.009129  # [   96.878361] [<c134e998>] (dump_backtrace) from [<c134ed58>] (show_stack+0x20/0x24)

 4072 18:45:00.012177  # [   96.886206]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978

 4073 18:45:00.020137  # [   96.892145] [<c134ed38>] (show_stack) from [<c1355fa8>] (dump_stack+0xe0/0x100)

 4074 18:45:00.029724  # [   96.899737] [<c1355ec8>] (dump_stack) from [<c0356804>] (__warn+0x98/0x14c)

 4075 18:45:00.034751  # [   96.906974]  r9:00000009 r8:c0873d80 r7:0000001c r6:00000009 r5:c0873d80 r4:c1a20a0c

 4076 18:45:00.042954  # [   96.914996] [<c035676c>] (__warn) from [<c134fe90>] (warn_slowpath_fmt+0x8c/0xa8)

 4077 18:45:00.048611  # [   96.922749]  r7:0000001c r6:c1a20a0c r5:c1a20a48 r4:c688e000

 4078 18:45:00.058736  # [   96.928686] [<c134fe08>] (warn_slowpath_fmt) from [<c0873d80>] (refcount_warn_saturate+0x13c/0x174)

 4079 18:45:00.067294  # [   96.938005]  r9:c1acca44 r8:c15e88e4 r7:c688ff60 r6:0000001f r5:c5939000 r4:c688e000

 4080 18:45:00.076596  # [   96.946028] [<c0873c44>] (refcount_warn_saturate) from [<c0c3641c>] (__refcount_sub_and_test.constprop.0+0x64/0x6c)

 4081 18:45:00.088466  # [   96.956747] [<c0c363b8>] (__refcount_sub_and_test.constprop.0) from [<c135cec4>] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x50/0x8c)

 4082 18:45:00.097711  # [   96.968672] [<c135ce74>] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE) from [<c0c35320>] (lkdtm_do_action+0x2c/0x4c)

 4083 18:45:00.100609  # [   96.978853]  r4:00000032

 4084 18:45:00.110367  # [   96.981660] [<c0c352f4>] (lkdtm_do_action) from [<c0c35820>] (direct_entry+0x120/0x18c)

 4085 18:45:00.116970  # [   96.989943] [<c0c35700>] (direct_entry) from [<c07e184c>] (full_proxy_write+0x64/0x94)

 4086 18:45:00.125055  # [   96.998134]  r9:c688ff60 r8:c50fdd80 r7:0000001f r6:b6ea6000 r5:c2fea280 r4:c0c35700

 4087 18:45:00.135734  # [   97.006154] [<c07e17e8>] (full_proxy_write) from [<c059968c>] (vfs_write+0x10c/0x524)

 4088 18:45:00.140965  # [   97.014258]  r9:c07e17e8 r8:c688ff60 r7:c2815800 r6:b6ea6000 r5:c2fea280 r4:00000000

 4089 18:45:00.148095  # [   97.022273] [<c0599580>] (vfs_write) from [<c0599c20>] (ksys_write+0x74/0xec)

 4090 18:45:00.156487  # [   97.029681]  r10:00000004 r9:00000000 r8:00000000 r7:b6ea6000 r6:c688e000 r5:c2fea280

 4091 18:45:00.160971  # [   97.037778]  r4:c2fea280

 4092 18:45:00.167679  # [   97.040587] [<c0599bac>] (ksys_write) from [<c0599cb0>] (sys_write+0x18/0x1c)

 4093 18:45:00.176032  # [   97.047995]  r9:c688e000 r8:c03002e4 r7:00000004 r6:b6fede00 r5:0000001f r4:0000001f

 4094 18:45:00.181701  # [   97.056014] [<c0599c98>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 4095 18:45:00.187380  # [   97.063853] Exception stack(0xc688ffa8 to 0xc688fff0)

 4096 18:45:00.195409  # [   97.069179] ffa0:                   0000001f 0000001f 00000001 b6ea6000 0000001f 00000000

 4097 18:45:00.204596  # [   97.077630] ffc0: 0000001f 0000001f b6fede00 00000004 00000001 00000000 00020000 beefea64

 4098 18:45:00.208698  # [   97.086079] ffe0: 00000004 beefe798 b6f584cf b6ede7e6

 4099 18:45:00.212643  # [   97.091492] irq event stamp: 0

 4100 18:45:00.218732  # [   97.094833] hardirqs last  enabled at (0): [<00000000>] 0x0

 4101 18:45:00.227099  # [   97.100689] hardirqs last disabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974

 4102 18:45:00.232670  # [   97.108517] softirqs last  enabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974

 4103 18:45:00.238987  # [   97.116317] softirqs last disabled at (0): [<00000000>] 0x0

 4104 18:45:00.244014  # [   97.122217] ---[ end trace 6556776c6b5d5074 ]---

 4105 18:45:00.249086  # [   97.127118] lkdtm: Negative detected: saturated

 4106 18:45:00.256260  # REFCOUNT_SUB_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok

 4107 18:45:00.259755  ok 49 selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh

 4108 18:45:00.262802  # selftests: lkdtm: REFCOUNT_INC_ZERO.sh

 4109 18:45:00.336808  <6>[   97.674756] lkdtm: Performing direct entry REFCOUNT_INC_ZERO

 4110 18:45:00.342628  <6>[   97.680729] lkdtm: attempting safe refcount_inc_not_zero() from zero

 4111 18:45:00.346820  <6>[   97.687543] lkdtm: Good: zero detected

 4112 18:45:00.352595  <6>[   97.691682] lkdtm: Correctly stayed at zero

 4113 18:45:00.358677  <6>[   97.696174] lkdtm: attempting bad refcount_inc() from zero

 4114 18:45:00.362931  <4>[   97.701993] ------------[ cut here ]------------

 4115 18:45:00.370874  <4>[   97.706901] WARNING: CPU: 0 PID: 2870 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174

 4116 18:45:00.377047  <4>[   97.715842] refcount_t: addition on 0; use-after-free.

 4117 18:45:00.407234  <4>[   97.721301] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3

 4118 18:45:00.415592  <4>[   97.750808] CPU: 0 PID: 2870 Comm: cat Tainted: G      D W         5.10.170-cip27 #1

 4119 18:45:00.422128  <4>[   97.758823] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 4120 18:45:00.426416  <4>[   97.765620] Backtrace: 

 4121 18:45:00.433005  <4>[   97.768361] [<c134e998>] (dump_backtrace) from [<c134ed58>] (show_stack+0x20/0x24)

 4122 18:45:00.437731  <4>[   97.776204]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978

 4123 18:45:00.445637  <4>[   97.782142] [<c134ed38>] (show_stack) from [<c1355fa8>] (dump_stack+0xe0/0x100)

 4124 18:45:00.455612  <4>[   97.789732] [<c1355ec8>] (dump_stack) from [<c0356804>] (__warn+0x98/0x14c)

 4125 18:45:00.460752  <4>[   97.796966]  r9:00000009 r8:c0873d4c r7:00000019 r6:00000009 r5:c0873d4c r4:c1a20a0c

 4126 18:45:00.469321  <4>[   97.804985] [<c035676c>] (__warn) from [<c134fe90>] (warn_slowpath_fmt+0x8c/0xa8)

 4127 18:45:00.474024  <4>[   97.812739]  r7:00000019 r6:c1a20a0c r5:c1a20a1c r4:c44fa000

 4128 18:45:00.485601  <4>[   97.818674] [<c134fe08>] (warn_slowpath_fmt) from [<c0873d4c>] (refcount_warn_saturate+0x108/0x174)

 4129 18:45:00.491823  <4>[   97.827993]  r9:c1acca64 r8:c15e88e4 r7:c44fbf60 r6:00000012 r5:00000000 r4:c44fa000

 4130 18:45:00.502781  <4>[   97.836015] [<c0873c44>] (refcount_warn_saturate) from [<c0c363b4>] (__refcount_add.constprop.0+0x54/0x58)

 4131 18:45:00.512904  <4>[   97.845951] [<c0c36360>] (__refcount_add.constprop.0) from [<c135cfa8>] (lkdtm_REFCOUNT_INC_ZERO+0xa8/0xcc)

 4132 18:45:00.525661  <4>[   97.855966] [<c135cf00>] (lkdtm_REFCOUNT_INC_ZERO) from [<c0c35320>] (lkdtm_do_action+0x2c/0x4c)

 4133 18:45:00.527004  <4>[   97.865019]  r5:c6970000 r4:00000033

 4134 18:45:00.532616  <4>[   97.868868] [<c0c352f4>] (lkdtm_do_action) from [<c0c35820>] (direct_entry+0x120/0x18c)

 4135 18:45:00.543799  <4>[   97.877150] [<c0c35700>] (direct_entry) from [<c07e184c>] (full_proxy_write+0x64/0x94)

 4136 18:45:00.549461  <4>[   97.885339]  r9:c44fbf60 r8:c50fdd80 r7:00000012 r6:b6e52000 r5:c47badc0 r4:c0c35700

 4137 18:45:00.558820  <4>[   97.893364] [<c07e17e8>] (full_proxy_write) from [<c059968c>] (vfs_write+0x10c/0x524)

 4138 18:45:00.564846  <4>[   97.901466]  r9:c07e17e8 r8:c44fbf60 r7:c2815800 r6:b6e52000 r5:c47badc0 r4:00000000

 4139 18:45:00.573011  <4>[   97.909482] [<c0599580>] (vfs_write) from [<c0599c20>] (ksys_write+0x74/0xec)

 4140 18:45:00.580390  <4>[   97.916889]  r10:00000004 r9:00000000 r8:00000000 r7:b6e52000 r6:c44fa000 r5:c47badc0

 4141 18:45:00.585780  <4>[   97.924986]  r4:c47badc0

 4142 18:45:00.591779  <4>[   97.927794] [<c0599bac>] (ksys_write) from [<c0599cb0>] (sys_write+0x18/0x1c)

 4143 18:45:00.600818  <4>[   97.935203]  r9:c44fa000 r8:c03002e4 r7:00000004 r6:b6f99e00 r5:00000012 r4:00000012

 4144 18:45:00.606856  <4>[   97.943222] [<c0599c98>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 4145 18:45:00.611853  <4>[   97.951062] Exception stack(0xc44fbfa8 to 0xc44fbff0)

 4146 18:45:00.621315  <4>[   97.956387] bfa0:                   00000012 00000012 00000001 b6e52000 00000012 00000000

 4147 18:45:00.629161  <4>[   97.964839] bfc0: 00000012 00000012 b6f99e00 00000004 00000001 00000000 00020000 beb52a64

 4148 18:45:00.633942  <4>[   97.973289] bfe0: 00000004 beb52798 b6f044cf b6e8a7e6

 4149 18:45:00.638642  <4>[   97.978713] irq event stamp: 0

 4150 18:45:00.645871  <4>[   97.982092] hardirqs last  enabled at (0): [<00000000>] 0x0

 4151 18:45:00.652808  <4>[   97.987953] hardirqs last disabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974

 4152 18:45:00.659546  <4>[   97.995754] softirqs last  enabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974

 4153 18:45:00.667772  <4>[   98.003552] softirqs last disabled at (0): [<00000000>] 0x0

 4154 18:45:00.669710  <4>[   98.009403] ---[ end trace 6556776c6b5d5075 ]---

 4155 18:45:00.674089  <6>[   98.014330] lkdtm: Zero detected: saturated

 4156 18:45:00.802308  # [   97.674756] lkdtm: Performing direct entry REFCOUNT_INC_ZERO

 4157 18:45:00.807582  # [   97.680729] lkdtm: attempting safe refcount_inc_not_zero() from zero

 4158 18:45:00.812072  # [   97.687543] lkdtm: Good: zero detected

 4159 18:45:00.815958  # [   97.691682] lkdtm: Correctly stayed at zero

 4160 18:45:00.822935  # [   97.696174] lkdtm: attempting bad refcount_inc() from zero

 4161 18:45:00.826036  # [   97.701993] ------------[ cut here ]------------

 4162 18:45:00.835026  # [   97.706901] WARNING: CPU: 0 PID: 2870 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174

 4163 18:45:00.839997  # [   97.715842] refcount_t: addition on 0; use-after-free.

 4164 18:45:00.870017  # [   97.721301] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3

 4165 18:45:00.876945  # [   97.750808] CPU: 0 PID: 2870 Comm: cat Tainted: G      D W         5.10.170-cip27 #1

 4166 18:45:00.884704  # [   97.758823] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 4167 18:45:00.887208  # [   97.765620] Backtrace: 

 4168 18:45:00.895405  # [   97.768361] [<c134e998>] (dump_backtrace) from [<c134ed58>] (show_stack+0x20/0x24)

 4169 18:45:00.901822  # [   97.776204]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978

 4170 18:45:00.906737  # [   97.782142] [<c134ed38>] (show_stack) from [<c1355fa8>] (dump_stack+0xe0/0x100)

 4171 18:45:00.915968  # [   97.789732] [<c1355ec8>] (dump_stack) from [<c0356804>] (__warn+0x98/0x14c)

 4172 18:45:00.923924  # [   97.796966]  r9:00000009 r8:c0873d4c r7:00000019 r6:00000009 r5:c0873d4c r4:c1a20a0c

 4173 18:45:00.930685  # [   97.804985] [<c035676c>] (__warn) from [<c134fe90>] (warn_slowpath_fmt+0x8c/0xa8)

 4174 18:45:00.936961  # [   97.812739]  r7:00000019 r6:c1a20a0c r5:c1a20a1c r4:c44fa000

 4175 18:45:00.945054  # [   97.818674] [<c134fe08>] (warn_slowpath_fmt) from [<c0873d4c>] (refcount_warn_saturate+0x108/0x174)

 4176 18:45:00.954771  # [   97.827993]  r9:c1acca64 r8:c15e88e4 r7:c44fbf60 r6:00000012 r5:00000000 r4:c44fa000

 4177 18:45:00.962634  # [   97.836015] [<c0873c44>] (refcount_warn_saturate) from [<c0c363b4>] (__refcount_add.constprop.0+0x54/0x58)

 4178 18:45:00.972373  # [   97.845951] [<c0c36360>] (__refcount_add.constprop.0) from [<c135cfa8>] (lkdtm_REFCOUNT_INC_ZERO+0xa8/0xcc)

 4179 18:45:00.983778  # [   97.855966] [<c135cf00>] (lkdtm_REFCOUNT_INC_ZERO) from [<c0c35320>] (lkdtm_do_action+0x2c/0x4c)

 4180 18:45:00.986433  # [   97.865019]  r5:c6970000 r4:00000033

 4181 18:45:00.992543  # [   97.868868] [<c0c352f4>] (lkdtm_do_action) from [<c0c35820>] (direct_entry+0x120/0x18c)

 4182 18:45:01.001508  # [   97.877150] [<c0c35700>] (direct_entry) from [<c07e184c>] (full_proxy_write+0x64/0x94)

 4183 18:45:01.009438  # [   97.885339]  r9:c44fbf60 r8:c50fdd80 r7:00000012 r6:b6e52000 r5:c47badc0 r4:c0c35700

 4184 18:45:01.019404  # [   97.893364] [<c07e17e8>] (full_proxy_write) from [<c059968c>] (vfs_write+0x10c/0x524)

 4185 18:45:01.025501  # [   97.901466]  r9:c07e17e8 r8:c44fbf60 r7:c2815800 r6:b6e52000 r5:c47badc0 r4:00000000

 4186 18:45:01.034317  # [   97.909482] [<c0599580>] (vfs_write) from [<c0599c20>] (ksys_write+0x74/0xec)

 4187 18:45:01.040718  # [   97.916889]  r10:00000004 r9:00000000 r8:00000000 r7:b6e52000 r6:c44fa000 r5:c47badc0

 4188 18:45:01.044201  # [   97.924986]  r4:c47badc0

 4189 18:45:01.051556  # [   97.927794] [<c0599bac>] (ksys_write) from [<c0599cb0>] (sys_write+0x18/0x1c)

 4190 18:45:01.058903  # [   97.935203]  r9:c44fa000 r8:c03002e4 r7:00000004 r6:b6f99e00 r5:00000012 r4:00000012

 4191 18:45:01.066689  # [   97.943222] [<c0599c98>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 4192 18:45:01.071144  # [   97.951062] Exception stack(0xc44fbfa8 to 0xc44fbff0)

 4193 18:45:01.081068  # [   97.956387] bfa0:                   00000012 00000012 00000001 b6e52000 00000012 00000000

 4194 18:45:01.087834  # [   97.964839] bfc0: 00000012 00000012 b6f99e00 00000004 00000001 00000000 00020000 beb52a64

 4195 18:45:01.093834  # [   97.973289] bfe0: 00000004 beb52798 b6f044cf b6e8a7e6

 4196 18:45:01.095833  # [   97.978713] irq event stamp: 0

 4197 18:45:01.102424  # [   97.982092] hardirqs last  enabled at (0): [<00000000>] 0x0

 4198 18:45:01.110797  # [   97.987953] hardirqs last disabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974

 4199 18:45:01.120041  # [   97.995754] softirqs last  enabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974

 4200 18:45:01.123848  # [   98.003552] softirqs last disabled at (0): [<00000000>] 0x0

 4201 18:45:01.127998  # [   98.009403] ---[ end trace 6556776c6b5d5075 ]---

 4202 18:45:01.136210  # [   98.014330] lkdtm: Zero detected: saturated

 4203 18:45:01.137574  # REFCOUNT_INC_ZERO: missing 'call trace:': [FAIL]

 4204 18:45:01.144214  not ok 50 selftests: lkdtm: REFCOUNT_INC_ZERO.sh # exit=1

 4205 18:45:01.145594  # selftests: lkdtm: REFCOUNT_ADD_ZERO.sh

 4206 18:45:01.218234  <6>[   98.553789] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO

 4207 18:45:01.222156  <6>[   98.559734] lkdtm: attempting safe refcount_add_not_zero() from zero

 4208 18:45:01.226163  <6>[   98.566455] lkdtm: Good: zero detected

 4209 18:45:01.232418  <6>[   98.570480] lkdtm: Correctly stayed at zero

 4210 18:45:01.236692  <6>[   98.574987] lkdtm: attempting bad refcount_add() from zero

 4211 18:45:01.241088  <4>[   98.580750] ------------[ cut here ]------------

 4212 18:45:01.249759  <4>[   98.585717] WARNING: CPU: 0 PID: 2904 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174

 4213 18:45:01.255320  <4>[   98.594662] refcount_t: addition on 0; use-after-free.

 4214 18:45:01.284742  <4>[   98.600076] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3

 4215 18:45:01.292779  <4>[   98.629569] CPU: 0 PID: 2904 Comm: cat Tainted: G      D W         5.10.170-cip27 #1

 4216 18:45:01.302854  <4>[   98.637582] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 4217 18:45:01.303106  <4>[   98.644379] Backtrace: 

 4218 18:45:01.314115  <4>[   98.647118] [<c134e998>] (dump_backtrace) from [<c134ed58>] (show_stack+0x20/0x24)

 4219 18:45:01.320600  <4>[   98.654963]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978

 4220 18:45:01.325581  <4>[   98.660902] [<c134ed38>] (show_stack) from [<c1355fa8>] (dump_stack+0xe0/0x100)

 4221 18:45:01.333248  <4>[   98.668492] [<c1355ec8>] (dump_stack) from [<c0356804>] (__warn+0x98/0x14c)

 4222 18:45:01.339806  <4>[   98.675729]  r9:00000009 r8:c0873d4c r7:00000019 r6:00000009 r5:c0873d4c r4:c1a20a0c

 4223 18:45:01.348388  <4>[   98.683748] [<c035676c>] (__warn) from [<c134fe90>] (warn_slowpath_fmt+0x8c/0xa8)

 4224 18:45:01.352589  <4>[   98.691502]  r7:00000019 r6:c1a20a0c r5:c1a20a1c r4:c5ac4000

 4225 18:45:01.362776  <4>[   98.697438] [<c134fe08>] (warn_slowpath_fmt) from [<c0873d4c>] (refcount_warn_saturate+0x108/0x174)

 4226 18:45:01.370227  <4>[   98.706755]  r9:c1acca78 r8:c15e88e4 r7:c5ac5f60 r6:00000012 r5:00000000 r4:c5ac4000

 4227 18:45:01.379954  <4>[   98.714777] [<c0873c44>] (refcount_warn_saturate) from [<c0c363b4>] (__refcount_add.constprop.0+0x54/0x58)

 4228 18:45:01.389850  <4>[   98.724712] [<c0c36360>] (__refcount_add.constprop.0) from [<c135d074>] (lkdtm_REFCOUNT_ADD_ZERO+0xa8/0xcc)

 4229 18:45:01.401474  <4>[   98.734728] [<c135cfcc>] (lkdtm_REFCOUNT_ADD_ZERO) from [<c0c35320>] (lkdtm_do_action+0x2c/0x4c)

 4230 18:45:01.403539  <4>[   98.743781]  r5:c6a27000 r4:00000034

 4231 18:45:01.412734  <4>[   98.747631] [<c0c352f4>] (lkdtm_do_action) from [<c0c35820>] (direct_entry+0x120/0x18c)

 4232 18:45:01.420542  <4>[   98.755913] [<c0c35700>] (direct_entry) from [<c07e184c>] (full_proxy_write+0x64/0x94)

 4233 18:45:01.428509  <4>[   98.764102]  r9:c5ac5f60 r8:c50fdd80 r7:00000012 r6:b6e86000 r5:c59d8000 r4:c0c35700

 4234 18:45:01.437940  <4>[   98.772125] [<c07e17e8>] (full_proxy_write) from [<c059968c>] (vfs_write+0x10c/0x524)

 4235 18:45:01.444322  <4>[   98.780229]  r9:c07e17e8 r8:c5ac5f60 r7:c2815800 r6:b6e86000 r5:c59d8000 r4:00000000

 4236 18:45:01.450828  <4>[   98.788246] [<c0599580>] (vfs_write) from [<c0599c20>] (ksys_write+0x74/0xec)

 4237 18:45:01.460804  <4>[   98.795654]  r10:00000004 r9:00000000 r8:00000000 r7:b6e86000 r6:c5ac4000 r5:c59d8000

 4238 18:45:01.461929  <4>[   98.803750]  r4:c59d8000

 4239 18:45:01.469235  <4>[   98.806558] [<c0599bac>] (ksys_write) from [<c0599cb0>] (sys_write+0x18/0x1c)

 4240 18:45:01.479120  <4>[   98.813968]  r9:c5ac4000 r8:c03002e4 r7:00000004 r6:b6fcde00 r5:00000012 r4:00000012

 4241 18:45:01.485609  <4>[   98.821987] [<c0599c98>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 4242 18:45:01.491133  <4>[   98.829825] Exception stack(0xc5ac5fa8 to 0xc5ac5ff0)

 4243 18:45:01.502372  <4>[   98.835152] 5fa0:                   00000012 00000012 00000001 b6e86000 00000012 00000000

 4244 18:45:01.507245  <4>[   98.843606] 5fc0: 00000012 00000012 b6fcde00 00000004 00000001 00000000 00020000 bef12a64

 4245 18:45:01.513730  <4>[   98.852053] 5fe0: 00000004 bef12798 b6f384cf b6ebe7e6

 4246 18:45:01.521129  <4>[   98.857421] irq event stamp: 0

 4247 18:45:01.522815  <4>[   98.860760] hardirqs last  enabled at (0): [<00000000>] 0x0

 4248 18:45:01.529619  <4>[   98.866664] hardirqs last disabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974

 4249 18:45:01.538576  <4>[   98.874548] softirqs last  enabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974

 4250 18:45:01.544611  <4>[   98.882371] softirqs last disabled at (0): [<00000000>] 0x0

 4251 18:45:01.550224  <4>[   98.888223] ---[ end trace 6556776c6b5d5076 ]---

 4252 18:45:01.552878  <6>[   98.893150] lkdtm: Zero detected: saturated

 4253 18:45:01.721973  # [   98.553789] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO

 4254 18:45:01.728225  # [   98.559734] lkdtm: attempting safe refcount_add_not_zero() from zero

 4255 18:45:01.730102  # [   98.566455] lkdtm: Good: zero detected

 4256 18:45:01.737582  # [   98.570480] lkdtm: Correctly stayed at zero

 4257 18:45:01.741448  # [   98.574987] lkdtm: attempting bad refcount_add() from zero

 4258 18:45:01.745599  # [   98.580750] ------------[ cut here ]------------

 4259 18:45:01.755127  # [   98.585717] WARNING: CPU: 0 PID: 2904 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174

 4260 18:45:01.760709  # [   98.594662] refcount_t: addition on 0; use-after-free.

 4261 18:45:01.788641  # [   98.600076] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3

 4262 18:45:01.797769  # [   98.629569] CPU: 0 PID: 2904 Comm: cat Tainted: G      D W         5.10.170-cip27 #1

 4263 18:45:01.802243  # [   98.637582] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 4264 18:45:01.804990  # [   98.644379] Backtrace: 

 4265 18:45:01.812572  # [   98.647118] [<c134e998>] (dump_backtrace) from [<c134ed58>] (show_stack+0x20/0x24)

 4266 18:45:01.820152  # [   98.654963]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978

 4267 18:45:01.825947  # [   98.660902] [<c134ed38>] (show_stack) from [<c1355fa8>] (dump_stack+0xe0/0x100)

 4268 18:45:01.834849  # [   98.668492] [<c1355ec8>] (dump_stack) from [<c0356804>] (__warn+0x98/0x14c)

 4269 18:45:01.840890  # [   98.675729]  r9:00000009 r8:c0873d4c r7:00000019 r6:00000009 r5:c0873d4c r4:c1a20a0c

 4270 18:45:01.848019  # [   98.683748] [<c035676c>] (__warn) from [<c134fe90>] (warn_slowpath_fmt+0x8c/0xa8)

 4271 18:45:01.858825  # [   98.691502]  r7:00000019 r6:c1a20a0c r5:c1a20a1c r4:c5ac4000

 4272 18:45:01.864008  # [   98.697438] [<c134fe08>] (warn_slowpath_fmt) from [<c0873d4c>] (refcount_warn_saturate+0x108/0x174)

 4273 18:45:01.871418  # [   98.706755]  r9:c1acca78 r8:c15e88e4 r7:c5ac5f60 r6:00000012 r5:00000000 r4:c5ac4000

 4274 18:45:01.881899  # [   98.714777] [<c0873c44>] (refcount_warn_saturate) from [<c0c363b4>] (__refcount_add.constprop.0+0x54/0x58)

 4275 18:45:01.891054  # [   98.724712] [<c0c36360>] (__refcount_add.constprop.0) from [<c135d074>] (lkdtm_REFCOUNT_ADD_ZERO+0xa8/0xcc)

 4276 18:45:01.902069  # [   98.734728] [<c135cfcc>] (lkdtm_REFCOUNT_ADD_ZERO) from [<c0c35320>] (lkdtm_do_action+0x2c/0x4c)

 4277 18:45:01.904808  # [   98.743781]  r5:c6a27000 r4:00000034

 4278 18:45:01.915489  # [   98.747631] [<c0c352f4>] (lkdtm_do_action) from [<c0c35820>] (direct_entry+0x120/0x18c)

 4279 18:45:01.920995  # [   98.755913] [<c0c35700>] (direct_entry) from [<c07e184c>] (full_proxy_write+0x64/0x94)

 4280 18:45:01.929682  # [   98.764102]  r9:c5ac5f60 r8:c50fdd80 r7:00000012 r6:b6e86000 r5:c59d8000 r4:c0c35700

 4281 18:45:01.937723  # [   98.772125] [<c07e17e8>] (full_proxy_write) from [<c059968c>] (vfs_write+0x10c/0x524)

 4282 18:45:01.944484  # [   98.780229]  r9:c07e17e8 r8:c5ac5f60 r7:c2815800 r6:b6e86000 r5:c59d8000 r4:00000000

 4283 18:45:01.952335  # [   98.788246] [<c0599580>] (vfs_write) from [<c0599c20>] (ksys_write+0x74/0xec)

 4284 18:45:01.959057  # [   98.795654]  r10:00000004 r9:00000000 r8:00000000 r7:b6e86000 r6:c5ac4000 r5:c59d8000

 4285 18:45:01.961630  # [   98.803750]  r4:c59d8000

 4286 18:45:01.971669  # [   98.806558] [<c0599bac>] (ksys_write) from [<c0599cb0>] (sys_write+0x18/0x1c)

 4287 18:45:01.976914  # [   98.813968]  r9:c5ac4000 r8:c03002e4 r7:00000004 r6:b6fcde00 r5:00000012 r4:00000012

 4288 18:45:01.985377  # [   98.821987] [<c0599c98>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 4289 18:45:01.991040  # [   98.829825] Exception stack(0xc5ac5fa8 to 0xc5ac5ff0)

 4290 18:45:01.998311  # [   98.835152] 5fa0:                   00000012 00000012 00000001 b6e86000 00000012 00000000

 4291 18:45:02.008473  # [   98.843606] 5fc0: 00000012 00000012 b6fcde00 00000004 00000001 00000000 00020000 bef12a64

 4292 18:45:02.012162  # [   98.852053] 5fe0: 00000004 bef12798 b6f384cf b6ebe7e6

 4293 18:45:02.015157  # [   98.857421] irq event stamp: 0

 4294 18:45:02.022754  # [   98.860760] hardirqs last  enabled at (0): [<00000000>] 0x0

 4295 18:45:02.030000  # [   98.866664] hardirqs last disabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974

 4296 18:45:02.037780  # [   98.874548] softirqs last  enabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974

 4297 18:45:02.043044  # [   98.882371] softirqs last disabled at (0): [<00000000>] 0x0

 4298 18:45:02.048181  # [   98.888223] ---[ end trace 6556776c6b5d5076 ]---

 4299 18:45:02.051031  # [   98.893150] lkdtm: Zero detected: saturated

 4300 18:45:02.057549  # REFCOUNT_ADD_ZERO: missing 'call trace:': [FAIL]

 4301 18:45:02.061549  not ok 51 selftests: lkdtm: REFCOUNT_ADD_ZERO.sh # exit=1

 4302 18:45:02.063980  # selftests: lkdtm: REFCOUNT_INC_SATURATED.sh

 4303 18:45:02.153509  <6>[   99.491738] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED

 4304 18:45:02.159702  <6>[   99.498145] lkdtm: attempting bad refcount_inc() from saturated

 4305 18:45:02.165938  <4>[   99.504532] ------------[ cut here ]------------

 4306 18:45:02.173358  <4>[   99.509476] WARNING: CPU: 2 PID: 2941 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174

 4307 18:45:02.178700  <4>[   99.518271] refcount_t: saturated; leaking memory.

 4308 18:45:02.207916  <4>[   99.523376] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3

 4309 18:45:02.216914  <4>[   99.552851] CPU: 2 PID: 2941 Comm: cat Tainted: G      D W         5.10.170-cip27 #1

 4310 18:45:02.224682  <4>[   99.560867] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 4311 18:45:02.227563  <4>[   99.567663] Backtrace: 

 4312 18:45:02.237329  <4>[   99.570403] [<c134e998>] (dump_backtrace) from [<c134ed58>] (show_stack+0x20/0x24)

 4313 18:45:02.243604  <4>[   99.578247]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978

 4314 18:45:02.247204  <4>[   99.584185] [<c134ed38>] (show_stack) from [<c1355fa8>] (dump_stack+0xe0/0x100)

 4315 18:45:02.255206  <4>[   99.591774] [<c1355ec8>] (dump_stack) from [<c0356804>] (__warn+0x98/0x14c)

 4316 18:45:02.263800  <4>[   99.599009]  r9:00000009 r8:c0873d18 r7:00000016 r6:00000009 r5:c0873d18 r4:c1a20a0c

 4317 18:45:02.274177  <4>[   99.607029] [<c035676c>] (__warn) from [<c134fe90>] (warn_slowpath_fmt+0x8c/0xa8)

 4318 18:45:02.276693  <4>[   99.614782]  r7:00000016 r6:c1a20a0c r5:c1a209e4 r4:c5a50000

 4319 18:45:02.285199  <4>[   99.620718] [<c134fe08>] (warn_slowpath_fmt) from [<c0873d18>] (refcount_warn_saturate+0xd4/0x174)

 4320 18:45:02.295911  <4>[   99.629949]  r9:c1acca8c r8:c15e88e4 r7:c5a51f60 r6:00000017 r5:c5aa0000 r4:c5a50000

 4321 18:45:02.303114  <4>[   99.637969] [<c0873c44>] (refcount_warn_saturate) from [<c0c363a4>] (__refcount_add.constprop.0+0x44/0x58)

 4322 18:45:02.313694  <4>[   99.647906] [<c0c36360>] (__refcount_add.constprop.0) from [<c135d0e4>] (lkdtm_REFCOUNT_INC_SATURATED+0x4c/0x70)

 4323 18:45:02.325714  <4>[   99.658358] [<c135d098>] (lkdtm_REFCOUNT_INC_SATURATED) from [<c0c35320>] (lkdtm_do_action+0x2c/0x4c)

 4324 18:45:02.326301  <4>[   99.667844]  r4:00000035

 4325 18:45:02.335583  <4>[   99.670652] [<c0c352f4>] (lkdtm_do_action) from [<c0c35820>] (direct_entry+0x120/0x18c)

 4326 18:45:02.343540  <4>[   99.678934] [<c0c35700>] (direct_entry) from [<c07e184c>] (full_proxy_write+0x64/0x94)

 4327 18:45:02.350358  <4>[   99.687124]  r9:c5a51f60 r8:c50fdd80 r7:00000017 r6:b6e9a000 r5:c68d6000 r4:c0c35700

 4328 18:45:02.360851  <4>[   99.695149] [<c07e17e8>] (full_proxy_write) from [<c059968c>] (vfs_write+0x10c/0x524)

 4329 18:45:02.368154  <4>[   99.703252]  r9:c07e17e8 r8:c5a51f60 r7:c2815800 r6:b6e9a000 r5:c68d6000 r4:00000000

 4330 18:45:02.373826  <4>[   99.711268] [<c0599580>] (vfs_write) from [<c0599c20>] (ksys_write+0x74/0xec)

 4331 18:45:02.382920  <4>[   99.718675]  r10:00000004 r9:00000000 r8:00000000 r7:b6e9a000 r6:c5a50000 r5:c68d6000

 4332 18:45:02.386813  <4>[   99.726772]  r4:c68d6000

 4333 18:45:02.392056  <4>[   99.729580] [<c0599bac>] (ksys_write) from [<c0599cb0>] (sys_write+0x18/0x1c)

 4334 18:45:02.400178  <4>[   99.736988]  r9:c5a50000 r8:c03002e4 r7:00000004 r6:b6fe1e00 r5:00000017 r4:00000017

 4335 18:45:02.408072  <4>[   99.745009] [<c0599c98>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 4336 18:45:02.415038  <4>[   99.752846] Exception stack(0xc5a51fa8 to 0xc5a51ff0)

 4337 18:45:02.425251  <4>[   99.758171] 1fa0:                   00000017 00000017 00000001 b6e9a000 00000017 00000000

 4338 18:45:02.433255  <4>[   99.766622] 1fc0: 00000017 00000017 b6fe1e00 00000004 00000001 00000000 00020000 beac2a64

 4339 18:45:02.438311  <4>[   99.775071] 1fe0: 00000004 beac2798 b6f4c4cf b6ed27e6

 4340 18:45:02.439033  <4>[   99.780462] irq event stamp: 0

 4341 18:45:02.444835  <4>[   99.783833] hardirqs last  enabled at (0): [<00000000>] 0x0

 4342 18:45:02.453332  <4>[   99.789688] hardirqs last disabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974

 4343 18:45:02.461894  <4>[   99.797502] softirqs last  enabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974

 4344 18:45:02.468707  <4>[   99.805333] softirqs last disabled at (0): [<00000000>] 0x0

 4345 18:45:02.473084  <4>[   99.811227] ---[ end trace 6556776c6b5d5077 ]---

 4346 18:45:02.477743  <6>[   99.816123] lkdtm: Saturation detected: still saturated

 4347 18:45:02.625064  # [   99.491738] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED

 4348 18:45:02.631826  # [   99.498145] lkdtm: attempting bad refcount_inc() from saturated

 4349 18:45:02.635944  # [   99.504532] ------------[ cut here ]------------

 4350 18:45:02.645800  # [   99.509476] WARNING: CPU: 2 PID: 2941 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174

 4351 18:45:02.649953  # [   99.518271] refcount_t: saturated; leaking memory.

 4352 18:45:02.677831  # [   99.523376] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3

 4353 18:45:02.685858  # [   99.552851] CPU: 2 PID: 2941 Comm: cat Tainted: G      D W         5.10.170-cip27 #1

 4354 18:45:02.695264  # [   99.560867] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 4355 18:45:02.697962  # [   99.567663] Backtrace: 

 4356 18:45:02.704938  # [   99.570403] [<c134e998>] (dump_backtrace) from [<c134ed58>] (show_stack+0x20/0x24)

 4357 18:45:02.711124  # [   99.578247]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978

 4358 18:45:02.717078  # [   99.584185] [<c134ed38>] (show_stack) from [<c1355fa8>] (dump_stack+0xe0/0x100)

 4359 18:45:02.724458  # [   99.591774] [<c1355ec8>] (dump_stack) from [<c0356804>] (__warn+0x98/0x14c)

 4360 18:45:02.731069  # [   99.599009]  r9:00000009 r8:c0873d18 r7:00000016 r6:00000009 r5:c0873d18 r4:c1a20a0c

 4361 18:45:02.739719  # [   99.607029] [<c035676c>] (__warn) from [<c134fe90>] (warn_slowpath_fmt+0x8c/0xa8)

 4362 18:45:02.746366  # [   99.614782]  r7:00000016 r6:c1a20a0c r5:c1a209e4 r4:c5a50000

 4363 18:45:02.754244  # [   99.620718] [<c134fe08>] (warn_slowpath_fmt) from [<c0873d18>] (refcount_warn_saturate+0xd4/0x174)

 4364 18:45:02.761646  # [   99.629949]  r9:c1acca8c r8:c15e88e4 r7:c5a51f60 r6:00000017 r5:c5aa0000 r4:c5a50000

 4365 18:45:02.771942  # [   99.637969] [<c0873c44>] (refcount_warn_saturate) from [<c0c363a4>] (__refcount_add.constprop.0+0x44/0x58)

 4366 18:45:02.782730  # [   99.647906] [<c0c36360>] (__refcount_add.constprop.0) from [<c135d0e4>] (lkdtm_REFCOUNT_INC_SATURATED+0x4c/0x70)

 4367 18:45:02.792751  # [   99.658358] [<c135d098>] (lkdtm_REFCOUNT_INC_SATURATED) from [<c0c35320>] (lkdtm_do_action+0x2c/0x4c)

 4368 18:45:02.794800  # [   99.667844]  r4:00000035

 4369 18:45:02.803729  # [   99.670652] [<c0c352f4>] (lkdtm_do_action) from [<c0c35820>] (direct_entry+0x120/0x18c)

 4370 18:45:02.811860  # [   99.678934] [<c0c35700>] (direct_entry) from [<c07e184c>] (full_proxy_write+0x64/0x94)

 4371 18:45:02.818048  # [   99.687124]  r9:c5a51f60 r8:c50fdd80 r7:00000017 r6:b6e9a000 r5:c68d6000 r4:c0c35700

 4372 18:45:02.827957  # [   99.695149] [<c07e17e8>] (full_proxy_write) from [<c059968c>] (vfs_write+0x10c/0x524)

 4373 18:45:02.834375  # [   99.703252]  r9:c07e17e8 r8:c5a51f60 r7:c2815800 r6:b6e9a000 r5:c68d6000 r4:00000000

 4374 18:45:02.842893  # [   99.711268] [<c0599580>] (vfs_write) from [<c0599c20>] (ksys_write+0x74/0xec)

 4375 18:45:02.849741  # [   99.718675]  r10:00000004 r9:00000000 r8:00000000 r7:b6e9a000 r6:c5a50000 r5:c68d6000

 4376 18:45:02.852728  # [   99.726772]  r4:c68d6000

 4377 18:45:02.861899  # [   99.729580] [<c0599bac>] (ksys_write) from [<c0599cb0>] (sys_write+0x18/0x1c)

 4378 18:45:02.867749  # [   99.736988]  r9:c5a50000 r8:c03002e4 r7:00000004 r6:b6fe1e00 r5:00000017 r4:00000017

 4379 18:45:02.874890  # [   99.745009] [<c0599c98>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 4380 18:45:02.880780  # [   99.752846] Exception stack(0xc5a51fa8 to 0xc5a51ff0)

 4381 18:45:02.888183  # [   99.758171] 1fa0:                   00000017 00000017 00000001 b6e9a000 00000017 00000000

 4382 18:45:02.897749  # [   99.766622] 1fc0: 00000017 00000017 b6fe1e00 00000004 00000001 00000000 00020000 beac2a64

 4383 18:45:02.905108  # [   99.775071] 1fe0: 00000004 beac2798 b6f4c4cf b6ed27e6

 4384 18:45:02.905446  # [   99.780462] irq event stamp: 0

 4385 18:45:02.911644  # [   99.783833] hardirqs last  enabled at (0): [<00000000>] 0x0

 4386 18:45:02.920165  # [   99.789688] hardirqs last disabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974

 4387 18:45:02.927142  # [   99.797502] softirqs last  enabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974

 4388 18:45:02.935989  # [   99.805333] softirqs last disabled at (0): [<00000000>] 0x0

 4389 18:45:02.942986  # [   99.811227] ---[ end trace 6556776c6b5d5077 ]---

 4390 18:45:02.943258  # [   99.816123] lkdtm: Saturation detected: still saturated

 4391 18:45:02.953256  # REFCOUNT_INC_SATURATED: saw 'Saturation detected: still saturated': ok

 4392 18:45:02.953492  ok 52 selftests: lkdtm: REFCOUNT_INC_SATURATED.sh

 4393 18:45:02.956852  # selftests: lkdtm: REFCOUNT_DEC_SATURATED.sh

 4394 18:45:03.048925  <6>[  100.385932] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED

 4395 18:45:03.055954  <6>[  100.392408] lkdtm: attempting bad refcount_dec() from saturated

 4396 18:45:03.063060  <4>[  100.398604] ------------[ cut here ]------------

 4397 18:45:03.072925  <4>[  100.403556] WARNING: CPU: 2 PID: 2976 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174

 4398 18:45:03.075770  <4>[  100.412316] refcount_t: decrement hit 0; leaking memory.

 4399 18:45:03.105170  <4>[  100.417902] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3

 4400 18:45:03.112401  <4>[  100.447413] CPU: 2 PID: 2976 Comm: cat Tainted: G      D W         5.10.170-cip27 #1

 4401 18:45:03.118668  <4>[  100.455429] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 4402 18:45:03.120155  <4>[  100.462226] Backtrace: 

 4403 18:45:03.127960  <4>[  100.464965] [<c134e998>] (dump_backtrace) from [<c134ed58>] (show_stack+0x20/0x24)

 4404 18:45:03.135164  <4>[  100.472809]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978

 4405 18:45:03.143194  <4>[  100.478746] [<c134ed38>] (show_stack) from [<c1355fa8>] (dump_stack+0xe0/0x100)

 4406 18:45:03.148873  <4>[  100.486337] [<c1355ec8>] (dump_stack) from [<c0356804>] (__warn+0x98/0x14c)

 4407 18:45:03.158054  <4>[  100.493571]  r9:00000009 r8:c0873cb0 r7:0000001f r6:00000009 r5:c0873cb0 r4:c1a20a0c

 4408 18:45:03.166758  <4>[  100.501592] [<c035676c>] (__warn) from [<c134fe90>] (warn_slowpath_fmt+0x8c/0xa8)

 4409 18:45:03.170468  <4>[  100.509346]  r7:0000001f r6:c1a20a0c r5:c1a20a70 r4:c698a000

 4410 18:45:03.182756  <4>[  100.515281] [<c134fe08>] (warn_slowpath_fmt) from [<c0873cb0>] (refcount_warn_saturate+0x6c/0x174)

 4411 18:45:03.189740  <4>[  100.524512]  r9:c1accaa4 r8:c15e88e4 r7:c698bf60 r6:00000017 r5:c6bff000 r4:c698a000

 4412 18:45:03.202185  <4>[  100.532536] [<c0873c44>] (refcount_warn_saturate) from [<c135c9d0>] (__refcount_dec.constprop.0+0x38/0x3c)

 4413 18:45:03.213866  <4>[  100.542469] [<c135c998>] (__refcount_dec.constprop.0) from [<c135d150>] (lkdtm_REFCOUNT_DEC_SATURATED+0x48/0x6c)

 4414 18:45:03.218990  <4>[  100.552922] [<c135d108>] (lkdtm_REFCOUNT_DEC_SATURATED) from [<c0c35320>] (lkdtm_do_action+0x2c/0x4c)

 4415 18:45:03.224953  <4>[  100.562408]  r4:00000036

 4416 18:45:03.229590  <4>[  100.565214] [<c0c352f4>] (lkdtm_do_action) from [<c0c35820>] (direct_entry+0x120/0x18c)

 4417 18:45:03.241062  <4>[  100.573496] [<c0c35700>] (direct_entry) from [<c07e184c>] (full_proxy_write+0x64/0x94)

 4418 18:45:03.251412  <4>[  100.581685]  r9:c698bf60 r8:c50fdd80 r7:00000017 r6:b6ea1000 r5:c59d8a00 r4:c0c35700

 4419 18:45:03.254131  <4>[  100.589706] [<c07e17e8>] (full_proxy_write) from [<c059968c>] (vfs_write+0x10c/0x524)

 4420 18:45:03.267732  <4>[  100.597809]  r9:c07e17e8 r8:c698bf60 r7:c2815800 r6:b6ea1000 r5:c59d8a00 r4:00000000

 4421 18:45:03.278378  <4>[  100.605825] [<c0599580>] (vfs_write) from [<c0599c20>] (ksys_write+0x74/0xec)

 4422 18:45:03.278676  <4>[  100.613233]  r10:00000004 r9:00000000 r8:00000000 r7:b6ea1000 r6:c698a000 r5:c59d8a00

 4423 18:45:03.285848  <4>[  100.621330]  r4:c59d8a00

 4424 18:45:03.288669  <4>[  100.624140] [<c0599bac>] (ksys_write) from [<c0599cb0>] (sys_write+0x18/0x1c)

 4425 18:45:03.295109  <4>[  100.631547]  r9:c698a000 r8:c03002e4 r7:00000004 r6:b6fe8e00 r5:00000017 r4:00000017

 4426 18:45:03.306341  <4>[  100.639568] [<c0599c98>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 4427 18:45:03.311337  <4>[  100.647406] Exception stack(0xc698bfa8 to 0xc698bff0)

 4428 18:45:03.322101  <4>[  100.652732] bfa0:                   00000017 00000017 00000001 b6ea1000 00000017 00000000

 4429 18:45:03.326640  <4>[  100.661182] bfc0: 00000017 00000017 b6fe8e00 00000004 00000001 00000000 00020000 be906a64

 4430 18:45:03.330352  <4>[  100.669632] bfe0: 00000004 be906798 b6f534cf b6ed97e6

 4431 18:45:03.336069  <4>[  100.675011] irq event stamp: 0

 4432 18:45:03.339472  <4>[  100.678351] hardirqs last  enabled at (0): [<00000000>] 0x0

 4433 18:45:03.349295  <4>[  100.684240] hardirqs last disabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974

 4434 18:45:03.356037  <4>[  100.692064] softirqs last  enabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974

 4435 18:45:03.361293  <4>[  100.699836] softirqs last disabled at (0): [<00000000>] 0x0

 4436 18:45:03.366164  <4>[  100.705749] ---[ end trace 6556776c6b5d5078 ]---

 4437 18:45:03.371677  <6>[  100.710654] lkdtm: Saturation detected: still saturated

 4438 18:45:03.511164  # [  100.385932] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED

 4439 18:45:03.515315  # [  100.392408] lkdtm: attempting bad refcount_dec() from saturated

 4440 18:45:03.519088  # [  100.398604] ------------[ cut here ]------------

 4441 18:45:03.530458  # [  100.403556] WARNING: CPU: 2 PID: 2976 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174

 4442 18:45:03.537362  # [  100.412316] refcount_t: decrement hit 0; leaking memory.

 4443 18:45:03.563710  # [  100.417902] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3

 4444 18:45:03.574480  # [  100.447413] CPU: 2 PID: 2976 Comm: cat Tainted: G      D W         5.10.170-cip27 #1

 4445 18:45:03.579211  # [  100.455429] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 4446 18:45:03.579534  # [  100.462226] Backtrace: 

 4447 18:45:03.586527  # [  100.464965] [<c134e998>] (dump_backtrace) from [<c134ed58>] (show_stack+0x20/0x24)

 4448 18:45:03.595736  # [  100.472809]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978

 4449 18:45:03.604362  # [  100.478746] [<c134ed38>] (show_stack) from [<c1355fa8>] (dump_stack+0xe0/0x100)

 4450 18:45:03.614567  # [  100.486337] [<c1355ec8>] (dump_stack) from [<c0356804>] (__warn+0x98/0x14c)

 4451 18:45:03.614893  # [  100.493571]  r9:00000009 r8:c0873cb0 r7:0000001f r6:00000009 r5:c0873cb0 r4:c1a20a0c

 4452 18:45:03.624560  # [  100.501592] [<c035676c>] (__warn) from [<c134fe90>] (warn_slowpath_fmt+0x8c/0xa8)

 4453 18:45:03.631355  # [  100.509346]  r7:0000001f r6:c1a20a0c r5:c1a20a70 r4:c698a000

 4454 18:45:03.644152  # [  100.515281] [<c134fe08>] (warn_slowpath_fmt) from [<c0873cb0>] (refcount_warn_saturate+0x6c/0x174)

 4455 18:45:03.654380  # [  100.524512]  r9:c1accaa4 r8:c15e88e4 r7:c698bf60 r6:00000017 r5:c6bff000 r4:c698a000

 4456 18:45:03.661070  # [  100.532536] [<c0873c44>] (refcount_warn_saturate) from [<c135c9d0>] (__refcount_dec.constprop.0+0x38/0x3c)

 4457 18:45:03.673015  # [  100.542469] [<c135c998>] (__refcount_dec.constprop.0) from [<c135d150>] (lkdtm_REFCOUNT_DEC_SATURATED+0x48/0x6c)

 4458 18:45:03.677429  # [  100.552922] [<c135d108>] (lkdtm_REFCOUNT_DEC_SATURATED) from [<c0c35320>] (lkdtm_do_action+0x2c/0x4c)

 4459 18:45:03.677686  # [  100.562408]  r4:00000036

 4460 18:45:03.685508  # [  100.565214] [<c0c352f4>] (lkdtm_do_action) from [<c0c35820>] (direct_entry+0x120/0x18c)

 4461 18:45:03.697616  # [  100.573496] [<c0c35700>] (direct_entry) from [<c07e184c>] (full_proxy_write+0x64/0x94)

 4462 18:45:03.701512  # [  100.581685]  r9:c698bf60 r8:c50fdd80 r7:00000017 r6:b6ea1000 r5:c59d8a00 r4:c0c35700

 4463 18:45:03.711179  # [  100.589706] [<c07e17e8>] (full_proxy_write) from [<c059968c>] (vfs_write+0x10c/0x524)

 4464 18:45:03.717593  # [  100.597809]  r9:c07e17e8 r8:c698bf60 r7:c2815800 r6:b6ea1000 r5:c59d8a00 r4:00000000

 4465 18:45:03.726415  # [  100.605825] [<c0599580>] (vfs_write) from [<c0599c20>] (ksys_write+0x74/0xec)

 4466 18:45:03.733123  # [  100.613233]  r10:00000004 r9:00000000 r8:00000000 r7:b6ea1000 r6:c698a000 r5:c59d8a00

 4467 18:45:03.740338  # [  100.621330]  r4:c59d8a00

 4468 18:45:03.744433  # [  100.624140] [<c0599bac>] (ksys_write) from [<c0599cb0>] (sys_write+0x18/0x1c)

 4469 18:45:03.755076  # [  100.631547]  r9:c698a000 r8:c03002e4 r7:00000004 r6:b6fe8e00 r5:00000017 r4:00000017

 4470 18:45:03.759467  # [  100.639568] [<c0599c98>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 4471 18:45:03.767348  # [  100.647406] Exception stack(0xc698bfa8 to 0xc698bff0)

 4472 18:45:03.772318  # [  100.652732] bfa0:                   00000017 00000017 00000001 b6ea1000 00000017 00000000

 4473 18:45:03.786959  # [  100.661182] bfc0: 00000017 00000017 b6fe8e00 00000004 00000001 00000000 00020000 be906a64

 4474 18:45:03.788542  # [  100.669632] bfe0: 00000004 be906798 b6f534cf b6ed97e6

 4475 18:45:03.788874  # [  100.675011] irq event stamp: 0

 4476 18:45:03.798420  # [  100.678351] hardirqs last  enabled at (0): [<00000000>] 0x0

 4477 18:45:03.802276  # [  100.684240] hardirqs last disabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974

 4478 18:45:03.810094  # [  100.692064] softirqs last  enabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974

 4479 18:45:03.815461  # [  100.699836] softirqs last disabled at (0): [<00000000>] 0x0

 4480 18:45:03.819646  # [  100.705749] ---[ end trace 6556776c6b5d5078 ]---

 4481 18:45:03.827269  # [  100.710654] lkdtm: Saturation detected: still saturated

 4482 18:45:03.831015  # REFCOUNT_DEC_SATURATED: saw 'Saturation detected: still saturated': ok

 4483 18:45:03.835759  ok 53 selftests: lkdtm: REFCOUNT_DEC_SATURATED.sh

 4484 18:45:03.839402  # selftests: lkdtm: REFCOUNT_ADD_SATURATED.sh

 4485 18:45:03.933266  <6>[  101.268691] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED

 4486 18:45:03.937533  <6>[  101.275363] lkdtm: attempting bad refcount_dec() from saturated

 4487 18:45:03.946907  <4>[  101.281714] ------------[ cut here ]------------

 4488 18:45:03.953135  <4>[  101.286655] WARNING: CPU: 1 PID: 3011 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174

 4489 18:45:03.955791  <4>[  101.295432] refcount_t: saturated; leaking memory.

 4490 18:45:03.985130  <4>[  101.300500] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3

 4491 18:45:03.993159  <4>[  101.330005] CPU: 1 PID: 3011 Comm: cat Tainted: G      D W         5.10.170-cip27 #1

 4492 18:45:04.001490  <4>[  101.338019] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 4493 18:45:04.003247  <4>[  101.344816] Backtrace: 

 4494 18:45:04.011237  <4>[  101.347556] [<c134e998>] (dump_backtrace) from [<c134ed58>] (show_stack+0x20/0x24)

 4495 18:45:04.018289  <4>[  101.355401]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978

 4496 18:45:04.027546  <4>[  101.361338] [<c134ed38>] (show_stack) from [<c1355fa8>] (dump_stack+0xe0/0x100)

 4497 18:45:04.035532  <4>[  101.368928] [<c1355ec8>] (dump_stack) from [<c0356804>] (__warn+0x98/0x14c)

 4498 18:45:04.043032  <4>[  101.376164]  r9:00000009 r8:c0873d18 r7:00000016 r6:00000009 r5:c0873d18 r4:c1a20a0c

 4499 18:45:04.047167  <4>[  101.384184] [<c035676c>] (__warn) from [<c134fe90>] (warn_slowpath_fmt+0x8c/0xa8)

 4500 18:45:04.053122  <4>[  101.391938]  r7:00000016 r6:c1a20a0c r5:c1a209e4 r4:c44fa000

 4501 18:45:04.065057  <4>[  101.397875] [<c134fe08>] (warn_slowpath_fmt) from [<c0873d18>] (refcount_warn_saturate+0xd4/0x174)

 4502 18:45:04.071028  <4>[  101.407106]  r9:c1accabc r8:c15e88e4 r7:c44fbf60 r6:00000017 r5:c2c87000 r4:c44fa000

 4503 18:45:04.080555  <4>[  101.415129] [<c0873c44>] (refcount_warn_saturate) from [<c0c363a4>] (__refcount_add.constprop.0+0x44/0x58)

 4504 18:45:04.091891  <4>[  101.425064] [<c0c36360>] (__refcount_add.constprop.0) from [<c135d1c0>] (lkdtm_REFCOUNT_ADD_SATURATED+0x4c/0x70)

 4505 18:45:04.101061  <4>[  101.435515] [<c135d174>] (lkdtm_REFCOUNT_ADD_SATURATED) from [<c0c35320>] (lkdtm_do_action+0x2c/0x4c)

 4506 18:45:04.105078  <4>[  101.445002]  r4:00000037

 4507 18:45:04.112228  <4>[  101.447811] [<c0c352f4>] (lkdtm_do_action) from [<c0c35820>] (direct_entry+0x120/0x18c)

 4508 18:45:04.121311  <4>[  101.456094] [<c0c35700>] (direct_entry) from [<c07e184c>] (full_proxy_write+0x64/0x94)

 4509 18:45:04.128146  <4>[  101.464284]  r9:c44fbf60 r8:c50fdd80 r7:00000017 r6:b6dbd000 r5:c59bf2c0 r4:c0c35700

 4510 18:45:04.136935  <4>[  101.472309] [<c07e17e8>] (full_proxy_write) from [<c059968c>] (vfs_write+0x10c/0x524)

 4511 18:45:04.147001  <4>[  101.480411]  r9:c07e17e8 r8:c44fbf60 r7:c2815800 r6:b6dbd000 r5:c59bf2c0 r4:00000000

 4512 18:45:04.151543  <4>[  101.488427] [<c0599580>] (vfs_write) from [<c0599c20>] (ksys_write+0x74/0xec)

 4513 18:45:04.160181  <4>[  101.495835]  r10:00000004 r9:00000000 r8:00000000 r7:b6dbd000 r6:c44fa000 r5:c59bf2c0

 4514 18:45:04.166148  <4>[  101.503931]  r4:c59bf2c0

 4515 18:45:04.172398  <4>[  101.506741] [<c0599bac>] (ksys_write) from [<c0599cb0>] (sys_write+0x18/0x1c)

 4516 18:45:04.178607  <4>[  101.514150]  r9:c44fa000 r8:c03002e4 r7:00000004 r6:b6f04e00 r5:00000017 r4:00000017

 4517 18:45:04.186414  <4>[  101.522168] [<c0599c98>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 4518 18:45:04.191900  <4>[  101.530007] Exception stack(0xc44fbfa8 to 0xc44fbff0)

 4519 18:45:04.199242  <4>[  101.535332] bfa0:                   00000017 00000017 00000001 b6dbd000 00000017 00000000

 4520 18:45:04.209963  <4>[  101.543782] bfc0: 00000017 00000017 b6f04e00 00000004 00000001 00000000 00020000 beeefa64

 4521 18:45:04.214975  <4>[  101.552228] bfe0: 00000004 beeef798 b6e6f4cf b6df57e6

 4522 18:45:04.218039  <4>[  101.557633] irq event stamp: 0

 4523 18:45:04.222899  <4>[  101.560974] hardirqs last  enabled at (0): [<00000000>] 0x0

 4524 18:45:04.232575  <4>[  101.566865] hardirqs last disabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974

 4525 18:45:04.239271  <4>[  101.574684] softirqs last  enabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974

 4526 18:45:04.246097  <4>[  101.582531] softirqs last disabled at (0): [<00000000>] 0x0

 4527 18:45:04.248705  <4>[  101.588387] ---[ end trace 6556776c6b5d5079 ]---

 4528 18:45:04.255001  <6>[  101.593332] lkdtm: Saturation detected: still saturated

 4529 18:45:04.407359  # [  101.268691] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED

 4530 18:45:04.413055  # [  101.275363] lkdtm: attempting bad refcount_dec() from saturated

 4531 18:45:04.416527  # [  101.281714] ------------[ cut here ]------------

 4532 18:45:04.426842  # [  101.286655] WARNING: CPU: 1 PID: 3011 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174

 4533 18:45:04.430532  # [  101.295432] refcount_t: saturated; leaking memory.

 4534 18:45:04.458348  # [  101.300500] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3

 4535 18:45:04.467147  # [  101.330005] CPU: 1 PID: 3011 Comm: cat Tainted: G      D W         5.10.170-cip27 #1

 4536 18:45:04.473825  # [  101.338019] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 4537 18:45:04.476332  # [  101.344816] Backtrace: 

 4538 18:45:04.483525  # [  101.347556] [<c134e998>] (dump_backtrace) from [<c134ed58>] (show_stack+0x20/0x24)

 4539 18:45:04.489910  # [  101.355401]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978

 4540 18:45:04.499250  # [  101.361338] [<c134ed38>] (show_stack) from [<c1355fa8>] (dump_stack+0xe0/0x100)

 4541 18:45:04.505896  # [  101.368928] [<c1355ec8>] (dump_stack) from [<c0356804>] (__warn+0x98/0x14c)

 4542 18:45:04.512265  # [  101.376164]  r9:00000009 r8:c0873d18 r7:00000016 r6:00000009 r5:c0873d18 r4:c1a20a0c

 4543 18:45:04.520900  # [  101.384184] [<c035676c>] (__warn) from [<c134fe90>] (warn_slowpath_fmt+0x8c/0xa8)

 4544 18:45:04.526677  # [  101.391938]  r7:00000016 r6:c1a20a0c r5:c1a209e4 r4:c44fa000

 4545 18:45:04.534975  # [  101.397875] [<c134fe08>] (warn_slowpath_fmt) from [<c0873d18>] (refcount_warn_saturate+0xd4/0x174)

 4546 18:45:04.544062  # [  101.407106]  r9:c1accabc r8:c15e88e4 r7:c44fbf60 r6:00000017 r5:c2c87000 r4:c44fa000

 4547 18:45:04.553963  # [  101.415129] [<c0873c44>] (refcount_warn_saturate) from [<c0c363a4>] (__refcount_add.constprop.0+0x44/0x58)

 4548 18:45:04.564524  # [  101.425064] [<c0c36360>] (__refcount_add.constprop.0) from [<c135d1c0>] (lkdtm_REFCOUNT_ADD_SATURATED+0x4c/0x70)

 4549 18:45:04.572191  # [  101.435515] [<c135d174>] (lkdtm_REFCOUNT_ADD_SATURATED) from [<c0c35320>] (lkdtm_do_action+0x2c/0x4c)

 4550 18:45:04.574131  # [  101.445002]  r4:00000037

 4551 18:45:04.583432  # [  101.447811] [<c0c352f4>] (lkdtm_do_action) from [<c0c35820>] (direct_entry+0x120/0x18c)

 4552 18:45:04.590357  # [  101.456094] [<c0c35700>] (direct_entry) from [<c07e184c>] (full_proxy_write+0x64/0x94)

 4553 18:45:04.599169  # [  101.464284]  r9:c44fbf60 r8:c50fdd80 r7:00000017 r6:b6dbd000 r5:c59bf2c0 r4:c0c35700

 4554 18:45:04.606898  # [  101.472309] [<c07e17e8>] (full_proxy_write) from [<c059968c>] (vfs_write+0x10c/0x524)

 4555 18:45:04.615428  # [  101.480411]  r9:c07e17e8 r8:c44fbf60 r7:c2815800 r6:b6dbd000 r5:c59bf2c0 r4:00000000

 4556 18:45:04.621861  # [  101.488427] [<c0599580>] (vfs_write) from [<c0599c20>] (ksys_write+0x74/0xec)

 4557 18:45:04.631019  # [  101.495835]  r10:00000004 r9:00000000 r8:00000000 r7:b6dbd000 r6:c44fa000 r5:c59bf2c0

 4558 18:45:04.632394  # [  101.503931]  r4:c59bf2c0

 4559 18:45:04.639891  # [  101.506741] [<c0599bac>] (ksys_write) from [<c0599cb0>] (sys_write+0x18/0x1c)

 4560 18:45:04.647469  # [  101.514150]  r9:c44fa000 r8:c03002e4 r7:00000004 r6:b6f04e00 r5:00000017 r4:00000017

 4561 18:45:04.655648  # [  101.522168] [<c0599c98>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 4562 18:45:04.664264  # [  101.530007] Exception stack(0xc44fbfa8 to 0xc44fbff0)

 4563 18:45:04.673983  # [  101.535332] bfa0:                   00000017 00000017 00000001 b6dbd000 00000017 00000000

 4564 18:45:04.680212  # [  101.543782] bfc0: 00000017 00000017 b6f04e00 00000004 00000001 00000000 00020000 beeefa64

 4565 18:45:04.687255  # [  101.552228] bfe0: 00000004 beeef798 b6e6f4cf b6df57e6

 4566 18:45:04.687487  # [  101.557633] irq event stamp: 0

 4567 18:45:04.694106  # [  101.560974] hardirqs last  enabled at (0): [<00000000>] 0x0

 4568 18:45:04.703474  # [  101.566865] hardirqs last disabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974

 4569 18:45:04.711974  # [  101.574684] softirqs last  enabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974

 4570 18:45:04.718820  # [  101.582531] softirqs last disabled at (0): [<00000000>] 0x0

 4571 18:45:04.719109  # [  101.588387] ---[ end trace 6556776c6b5d5079 ]---

 4572 18:45:04.728098  # [  101.593332] lkdtm: Saturation detected: still saturated

 4573 18:45:04.732463  # REFCOUNT_ADD_SATURATED: saw 'Saturation detected: still saturated': ok

 4574 18:45:04.734738  ok 54 selftests: lkdtm: REFCOUNT_ADD_SATURATED.sh

 4575 18:45:04.740189  # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh

 4576 18:45:04.811026  <6>[  102.145906] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED

 4577 18:45:04.815334  <6>[  102.153192] lkdtm: attempting bad refcount_inc_not_zero() from saturated

 4578 18:45:04.820532  <4>[  102.160195] ------------[ cut here ]------------

 4579 18:45:04.829444  <4>[  102.165165] WARNING: CPU: 1 PID: 3043 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174

 4580 18:45:04.839231  <4>[  102.173940] refcount_t: saturated; leaking memory.

 4581 18:45:04.864552  <4>[  102.179006] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3

 4582 18:45:04.873497  <4>[  102.208504] CPU: 1 PID: 3043 Comm: cat Tainted: G      D W         5.10.170-cip27 #1

 4583 18:45:04.880866  <4>[  102.216520] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 4584 18:45:04.885556  <4>[  102.223317] Backtrace: 

 4585 18:45:04.889588  <4>[  102.226057] [<c134e998>] (dump_backtrace) from [<c134ed58>] (show_stack+0x20/0x24)

 4586 18:45:04.895540  <4>[  102.233902]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978

 4587 18:45:04.904360  <4>[  102.239838] [<c134ed38>] (show_stack) from [<c1355fa8>] (dump_stack+0xe0/0x100)

 4588 18:45:04.913292  <4>[  102.247430] [<c1355ec8>] (dump_stack) from [<c0356804>] (__warn+0x98/0x14c)

 4589 18:45:04.918942  <4>[  102.254666]  r9:00000009 r8:c0873ce4 r7:00000013 r6:00000009 r5:c0873ce4 r4:c1a20a0c

 4590 18:45:04.925611  <4>[  102.262685] [<c035676c>] (__warn) from [<c134fe90>] (warn_slowpath_fmt+0x8c/0xa8)

 4591 18:45:04.936392  <4>[  102.270440]  r7:00000013 r6:c1a20a0c r5:c1a209e4 r4:c688e000

 4592 18:45:04.944198  <4>[  102.276378] [<c134fe08>] (warn_slowpath_fmt) from [<c0873ce4>] (refcount_warn_saturate+0xa0/0x174)

 4593 18:45:04.955515  <4>[  102.285609]  r9:c1accad4 r8:c15e88e4 r7:c688ff60 r6:00000020 r5:c2c87000 r4:c0000000

 4594 18:45:04.961634  <4>[  102.293636] [<c0873c44>] (refcount_warn_saturate) from [<c135ca38>] (__refcount_add_not_zero.constprop.0+0x64/0x78)

 4595 18:45:04.977015  <4>[  102.304353] [<c135c9d4>] (__refcount_add_not_zero.constprop.0) from [<c135d234>] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x50/0x88)

 4596 18:45:04.977287  <4>[  102.316358]  r5:c2c87000 r4:c688e000

 4597 18:45:04.989132  <4>[  102.320214] [<c135d1e4>] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED) from [<c0c35320>] (lkdtm_do_action+0x2c/0x4c)

 4598 18:45:04.989400  <4>[  102.330482]  r4:00000038

 4599 18:45:04.998620  <4>[  102.333290] [<c0c352f4>] (lkdtm_do_action) from [<c0c35820>] (direct_entry+0x120/0x18c)

 4600 18:45:05.010135  <4>[  102.341573] [<c0c35700>] (direct_entry) from [<c07e184c>] (full_proxy_write+0x64/0x94)

 4601 18:45:05.014060  <4>[  102.349764]  r9:c688ff60 r8:c50fdd80 r7:00000020 r6:b6dcb000 r5:c59beb40 r4:c0c35700

 4602 18:45:05.023184  <4>[  102.357790] [<c07e17e8>] (full_proxy_write) from [<c059968c>] (vfs_write+0x10c/0x524)

 4603 18:45:05.037757  <4>[  102.365892]  r9:c07e17e8 r8:c688ff60 r7:c2815800 r6:b6dcb000 r5:c59beb40 r4:00000000

 4604 18:45:05.041526  <4>[  102.373909] [<c0599580>] (vfs_write) from [<c0599c20>] (ksys_write+0x74/0xec)

 4605 18:45:05.046241  <4>[  102.381317]  r10:00000004 r9:00000000 r8:00000000 r7:b6dcb000 r6:c688e000 r5:c59beb40

 4606 18:45:05.051754  <4>[  102.389413]  r4:c59beb40

 4607 18:45:05.055122  <4>[  102.392222] [<c0599bac>] (ksys_write) from [<c0599cb0>] (sys_write+0x18/0x1c)

 4608 18:45:05.063246  <4>[  102.399631]  r9:c688e000 r8:c03002e4 r7:00000004 r6:b6f12e00 r5:00000020 r4:00000020

 4609 18:45:05.073650  <4>[  102.407650] [<c0599c98>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 4610 18:45:05.077699  <4>[  102.415489] Exception stack(0xc688ffa8 to 0xc688fff0)

 4611 18:45:05.087493  <4>[  102.420814] ffa0:                   00000020 00000020 00000001 b6dcb000 00000020 00000000

 4612 18:45:05.098401  <4>[  102.429266] ffc0: 00000020 00000020 b6f12e00 00000004 00000001 00000000 00020000 beb93a64

 4613 18:45:05.100518  <4>[  102.437715] ffe0: 00000004 beb93798 b6e7d4cf b6e037e6

 4614 18:45:05.107390  <4>[  102.443120] irq event stamp: 0

 4615 18:45:05.111387  <4>[  102.446461] hardirqs last  enabled at (0): [<00000000>] 0x0

 4616 18:45:05.131410  <4>[  102.452352] hardirqs last disabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974

 4617 18:45:05.131925  <4>[  102.460128] softirqs last  enabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974

 4618 18:45:05.132237  <4>[  102.467960] softirqs last disabled at (0): [<00000000>] 0x0

 4619 18:45:05.137511  <4>[  102.473856] ---[ end trace 6556776c6b5d507a ]---

 4620 18:45:05.139917  <6>[  102.478760] lkdtm: Saturation detected: still saturated

 4621 18:45:05.283886  # [    0.000000] L2C-310: CACHE_ID 0x410000c7, AUX_CTRL 0x76470001

 4622 18:45:05.288874  # [    0.000000] Switching to timer-based delay loop, resolution 15ns

 4623 18:45:05.293283  # [  102.145906] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED

 4624 18:45:05.300616  # [  102.153192] lkdtm: attempting bad refcount_inc_not_zero() from saturated

 4625 18:45:05.309169  # [  102.160195] ------------[ cut here ]------------

 4626 18:45:05.316045  # [  102.165165] WARNING: CPU: 1 PID: 3043 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174

 4627 18:45:05.319152  # [  102.173940] refcount_t: saturated; leaking memory.

 4628 18:45:05.347556  # [  102.179006] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3

 4629 18:45:05.356580  # [  102.208504] CPU: 1 PID: 3043 Comm: cat Tainted: G      D W         5.10.170-cip27 #1

 4630 18:45:05.366697  # [  102.216520] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 4631 18:45:05.366926  # [  102.223317] Backtrace: 

 4632 18:45:05.373556  # [  102.226057] [<c134e998>] (dump_backtrace) from [<c134ed58>] (show_stack+0x20/0x24)

 4633 18:45:05.380943  # [  102.233902]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978

 4634 18:45:05.388140  # [  102.239838] [<c134ed38>] (show_stack) from [<c1355fa8>] (dump_stack+0xe0/0x100)

 4635 18:45:05.392750  # [  102.247430] [<c1355ec8>] (dump_stack) from [<c0356804>] (__warn+0x98/0x14c)

 4636 18:45:05.400548  # [  102.254666]  r9:00000009 r8:c0873ce4 r7:00000013 r6:00000009 r5:c0873ce4 r4:c1a20a0c

 4637 18:45:05.409221  # [  102.262685] [<c035676c>] (__warn) from [<c134fe90>] (warn_slowpath_fmt+0x8c/0xa8)

 4638 18:45:05.415041  # [  102.270440]  r7:00000013 r6:c1a20a0c r5:c1a209e4 r4:c688e000

 4639 18:45:05.423683  # [  102.276378] [<c134fe08>] (warn_slowpath_fmt) from [<c0873ce4>] (refcount_warn_saturate+0xa0/0x174)

 4640 18:45:05.432430  # [  102.285609]  r9:c1accad4 r8:c15e88e4 r7:c688ff60 r6:00000020 r5:c2c87000 r4:c0000000

 4641 18:45:05.446069  # [  102.293636] [<c0873c44>] (refcount_warn_saturate) from [<c135ca38>] (__refcount_add_not_zero.constprop.0+0x64/0x78)

 4642 18:45:05.454187  # [  102.304353] [<c135c9d4>] (__refcount_add_not_zero.constprop.0) from [<c135d234>] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x50/0x88)

 4643 18:45:05.456184  # [  102.316358]  r5:c2c87000 r4:c688e000

 4644 18:45:05.469558  # [  102.320214] [<c135d1e4>] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED) from [<c0c35320>] (lkdtm_do_action+0x2c/0x4c)

 4645 18:45:05.469791  # [  102.330482]  r4:00000038

 4646 18:45:05.480313  # [  102.333290] [<c0c352f4>] (lkdtm_do_action) from [<c0c35820>] (direct_entry+0x120/0x18c)

 4647 18:45:05.487887  # [  102.341573] [<c0c35700>] (direct_entry) from [<c07e184c>] (full_proxy_write+0x64/0x94)

 4648 18:45:05.497894  # [  102.349764]  r9:c688ff60 r8:c50fdd80 r7:00000020 r6:b6dcb000 r5:c59beb40 r4:c0c35700

 4649 18:45:05.504669  # [  102.357790] [<c07e17e8>] (full_proxy_write) from [<c059968c>] (vfs_write+0x10c/0x524)

 4650 18:45:05.513781  # [  102.365892]  r9:c07e17e8 r8:c688ff60 r7:c2815800 r6:b6dcb000 r5:c59beb40 r4:00000000

 4651 18:45:05.518539  # [  102.373909] [<c0599580>] (vfs_write) from [<c0599c20>] (ksys_write+0x74/0xec)

 4652 18:45:05.524395  # [  102.381317]  r10:00000004 r9:00000000 r8:00000000 r7:b6dcb000 r6:c688e000 r5:c59beb40

 4653 18:45:05.529372  # [  102.389413]  r4:c59beb40

 4654 18:45:05.537995  # [  102.392222] [<c0599bac>] (ksys_write) from [<c0599cb0>] (sys_write+0x18/0x1c)

 4655 18:45:05.544384  # [  102.399631]  r9:c688e000 r8:c03002e4 r7:00000004 r6:b6f12e00 r5:00000020 r4:00000020

 4656 18:45:05.550573  # [  102.407650] [<c0599c98>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 4657 18:45:05.557296  # [  102.415489] Exception stack(0xc688ffa8 to 0xc688fff0)

 4658 18:45:05.565198  # [  102.420814] ffa0:                   00000020 00000020 00000001 b6dcb000 00000020 00000000

 4659 18:45:05.573178  # [  102.429266] ffc0: 00000020 00000020 b6f12e00 00000004 00000001 00000000 00020000 beb93a64

 4660 18:45:05.579127  # [  102.437715] ffe0: 00000004 beb93798 b6e7d4cf b6e037e6

 4661 18:45:05.582287  # [  102.443120] irq event stamp: 0

 4662 18:45:05.587702  # [  102.446461] hardirqs last  enabled at (0): [<00000000>] 0x0

 4663 18:45:05.599073  # [  102.452352] hardirqs last disabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974

 4664 18:45:05.601566  # [  102.460128] softirqs last  enabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974

 4665 18:45:05.607069  # [  102.467960] softirqs last disabled at (0): [<00000000>] 0x0

 4666 18:45:05.614093  # [  102.473856] ---[ end trace 6556776c6b5d507a ]---

 4667 18:45:05.619101  # [  102.478760] lkdtm: Saturation detected: still saturated

 4668 18:45:05.624069  # REFCOUNT_INC_NOT_ZERO_SATURATED: missing 'call trace:': [FAIL]

 4669 18:45:05.630433  not ok 55 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh # exit=1

 4670 18:45:05.634585  # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh

 4671 18:45:05.702699  <6>[  103.039909] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED

 4672 18:45:05.709589  <6>[  103.047141] lkdtm: attempting bad refcount_add_not_zero() from saturated

 4673 18:45:05.719275  <4>[  103.054211] ------------[ cut here ]------------

 4674 18:45:05.723162  <4>[  103.059123] WARNING: CPU: 0 PID: 3077 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174

 4675 18:45:05.728797  <4>[  103.067879] refcount_t: saturated; leaking memory.

 4676 18:45:05.762448  <4>[  103.072989] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3

 4677 18:45:05.768107  <4>[  103.102602] CPU: 0 PID: 3077 Comm: cat Tainted: G      D W         5.10.170-cip27 #1

 4678 18:45:05.776675  <4>[  103.110617] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 4679 18:45:05.776909  <4>[  103.117414] Backtrace: 

 4680 18:45:05.785340  <4>[  103.120155] [<c134e998>] (dump_backtrace) from [<c134ed58>] (show_stack+0x20/0x24)

 4681 18:45:05.792722  <4>[  103.128002]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978

 4682 18:45:05.801329  <4>[  103.133942] [<c134ed38>] (show_stack) from [<c1355fa8>] (dump_stack+0xe0/0x100)

 4683 18:45:05.807784  <4>[  103.141533] [<c1355ec8>] (dump_stack) from [<c0356804>] (__warn+0x98/0x14c)

 4684 18:45:05.813233  <4>[  103.148771]  r9:00000009 r8:c0873ce4 r7:00000013 r6:00000009 r5:c0873ce4 r4:c1a20a0c

 4685 18:45:05.821335  <4>[  103.156792] [<c035676c>] (__warn) from [<c134fe90>] (warn_slowpath_fmt+0x8c/0xa8)

 4686 18:45:05.829744  <4>[  103.164548]  r7:00000013 r6:c1a20a0c r5:c1a209e4 r4:c69a0000

 4687 18:45:05.835619  <4>[  103.170484] [<c134fe08>] (warn_slowpath_fmt) from [<c0873ce4>] (refcount_warn_saturate+0xa0/0x174)

 4688 18:45:05.843742  <4>[  103.179715]  r9:c1accaf4 r8:c15e88e4 r7:c69a1f60 r6:00000020 r5:c5b26000 r4:c0000000

 4689 18:45:05.853714  <4>[  103.187740] [<c0873c44>] (refcount_warn_saturate) from [<c135ca38>] (__refcount_add_not_zero.constprop.0+0x64/0x78)

 4690 18:45:05.865624  <4>[  103.198455] [<c135c9d4>] (__refcount_add_not_zero.constprop.0) from [<c135d2bc>] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x50/0x88)

 4691 18:45:05.876234  <4>[  103.210460]  r5:c5b26000 r4:c69a0000

 4692 18:45:05.881609  <4>[  103.214318] [<c135d26c>] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED) from [<c0c35320>] (lkdtm_do_action+0x2c/0x4c)

 4693 18:45:05.887020  <4>[  103.224588]  r4:00000039

 4694 18:45:05.895353  <4>[  103.227397] [<c0c352f4>] (lkdtm_do_action) from [<c0c35820>] (direct_entry+0x120/0x18c)

 4695 18:45:05.902170  <4>[  103.235682] [<c0c35700>] (direct_entry) from [<c07e184c>] (full_proxy_write+0x64/0x94)

 4696 18:45:05.909522  <4>[  103.243873]  r9:c69a1f60 r8:c50fdd80 r7:00000020 r6:b6e02000 r5:c68b8000 r4:c0c35700

 4697 18:45:05.921622  <4>[  103.251894] [<c07e17e8>] (full_proxy_write) from [<c059968c>] (vfs_write+0x10c/0x524)

 4698 18:45:05.926740  <4>[  103.259997]  r9:c07e17e8 r8:c69a1f60 r7:c2815800 r6:b6e02000 r5:c68b8000 r4:00000000

 4699 18:45:05.930734  <4>[  103.268013] [<c0599580>] (vfs_write) from [<c0599c20>] (ksys_write+0x74/0xec)

 4700 18:45:05.939593  <4>[  103.275423]  r10:00000004 r9:00000000 r8:00000000 r7:b6e02000 r6:c69a0000 r5:c68b8000

 4701 18:45:05.942232  <4>[  103.283520]  r4:c68b8000

 4702 18:45:05.951462  <4>[  103.286330] [<c0599bac>] (ksys_write) from [<c0599cb0>] (sys_write+0x18/0x1c)

 4703 18:45:05.960474  <4>[  103.293738]  r9:c69a0000 r8:c03002e4 r7:00000004 r6:b6f49e00 r5:00000020 r4:00000020

 4704 18:45:05.969744  <4>[  103.301757] [<c0599c98>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 4705 18:45:05.975045  <4>[  103.309596] Exception stack(0xc69a1fa8 to 0xc69a1ff0)

 4706 18:45:05.983550  <4>[  103.314923] 1fa0:                   00000020 00000020 00000001 b6e02000 00000020 00000000

 4707 18:45:05.988338  <4>[  103.323375] 1fc0: 00000020 00000020 b6f49e00 00000004 00000001 00000000 00020000 be94da64

 4708 18:45:05.994360  <4>[  103.331823] 1fe0: 00000004 be94d798 b6eb44cf b6e3a7e6

 4709 18:45:05.998704  <4>[  103.337202] irq event stamp: 0

 4710 18:45:06.006420  <4>[  103.340543] hardirqs last  enabled at (0): [<00000000>] 0x0

 4711 18:45:06.014152  <4>[  103.346439] hardirqs last disabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974

 4712 18:45:06.020693  <4>[  103.354294] softirqs last  enabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974

 4713 18:45:06.023827  <4>[  103.362111] softirqs last disabled at (0): [<00000000>] 0x0

 4714 18:45:06.033745  <4>[  103.367963] ---[ end trace 6556776c6b5d507b ]---

 4715 18:45:06.034062  <6>[  103.372894] lkdtm: Saturation detected: still saturated

 4716 18:45:06.204678  # [  103.039909] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED

 4717 18:45:06.205116  # [  103.047141] lkdtm: attempting bad refcount_add_not_zero() from saturated

 4718 18:45:06.210927  # [  103.054211] ------------[ cut here ]------------

 4719 18:45:06.219471  # [  103.059123] WARNING: CPU: 0 PID: 3077 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174

 4720 18:45:06.224203  # [  103.067879] refcount_t: saturated; leaking memory.

 4721 18:45:06.259062  # [  103.072989] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3

 4722 18:45:06.261272  # [  103.102602] CPU: 0 PID: 3077 Comm: cat Tainted: G      D W         5.10.170-cip27 #1

 4723 18:45:06.268761  # [  103.110617] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 4724 18:45:06.269390  # [  103.117414] Backtrace: 

 4725 18:45:06.278736  # [  103.120155] [<c134e998>] (dump_backtrace) from [<c134ed58>] (show_stack+0x20/0x24)

 4726 18:45:06.283960  # [  103.128002]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978

 4727 18:45:06.290209  # [  103.133942] [<c134ed38>] (show_stack) from [<c1355fa8>] (dump_stack+0xe0/0x100)

 4728 18:45:06.302272  # [  103.141533] [<c1355ec8>] (dump_stack) from [<c0356804>] (__warn+0x98/0x14c)

 4729 18:45:06.304913  # [  103.148771]  r9:00000009 r8:c0873ce4 r7:00000013 r6:00000009 r5:c0873ce4 r4:c1a20a0c

 4730 18:45:06.314002  # [  103.156792] [<c035676c>] (__warn) from [<c134fe90>] (warn_slowpath_fmt+0x8c/0xa8)

 4731 18:45:06.318520  # [  103.164548]  r7:00000013 r6:c1a20a0c r5:c1a209e4 r4:c69a0000

 4732 18:45:06.328295  # [  103.170484] [<c134fe08>] (warn_slowpath_fmt) from [<c0873ce4>] (refcount_warn_saturate+0xa0/0x174)

 4733 18:45:06.336986  # [  103.179715]  r9:c1accaf4 r8:c15e88e4 r7:c69a1f60 r6:00000020 r5:c5b26000 r4:c0000000

 4734 18:45:06.348154  # [  103.187740] [<c0873c44>] (refcount_warn_saturate) from [<c135ca38>] (__refcount_add_not_zero.constprop.0+0x64/0x78)

 4735 18:45:06.357475  # [  103.198455] [<c135c9d4>] (__refcount_add_not_zero.constprop.0) from [<c135d2bc>] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x50/0x88)

 4736 18:45:06.363045  # [  103.210460]  r5:c5b26000 r4:c69a0000

 4737 18:45:06.375493  # [  103.214318] [<c135d26c>] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED) from [<c0c35320>] (lkdtm_do_action+0x2c/0x4c)

 4738 18:45:06.377274  # [  103.224588]  r4:00000039

 4739 18:45:06.383288  # [  103.227397] [<c0c352f4>] (lkdtm_do_action) from [<c0c35820>] (direct_entry+0x120/0x18c)

 4740 18:45:06.391494  # [  103.235682] [<c0c35700>] (direct_entry) from [<c07e184c>] (full_proxy_write+0x64/0x94)

 4741 18:45:06.399244  # [  103.243873]  r9:c69a1f60 r8:c50fdd80 r7:00000020 r6:b6e02000 r5:c68b8000 r4:c0c35700

 4742 18:45:06.408170  # [  103.251894] [<c07e17e8>] (full_proxy_write) from [<c059968c>] (vfs_write+0x10c/0x524)

 4743 18:45:06.414621  # [  103.259997]  r9:c07e17e8 r8:c69a1f60 r7:c2815800 r6:b6e02000 r5:c68b8000 r4:00000000

 4744 18:45:06.427266  # [  103.268013] [<c0599580>] (vfs_write) from [<c0599c20>] (ksys_write+0x74/0xec)

 4745 18:45:06.431615  # [  103.275423]  r10:00000004 r9:00000000 r8:00000000 r7:b6e02000 r6:c69a0000 r5:c68b8000

 4746 18:45:06.432643  # [  103.283520]  r4:c68b8000

 4747 18:45:06.439310  # [  103.286330] [<c0599bac>] (ksys_write) from [<c0599cb0>] (sys_write+0x18/0x1c)

 4748 18:45:06.448160  # [  103.293738]  r9:c69a0000 r8:c03002e4 r7:00000004 r6:b6f49e00 r5:00000020 r4:00000020

 4749 18:45:06.457068  # [  103.301757] [<c0599c98>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 4750 18:45:06.460536  # [  103.309596] Exception stack(0xc69a1fa8 to 0xc69a1ff0)

 4751 18:45:06.468602  # [  103.314923] 1fa0:                   00000020 00000020 00000001 b6e02000 00000020 00000000

 4752 18:45:06.477432  # [  103.323375] 1fc0: 00000020 00000020 b6f49e00 00000004 00000001 00000000 00020000 be94da64

 4753 18:45:06.485354  # [  103.331823] 1fe0: 00000004 be94d798 b6eb44cf b6e3a7e6

 4754 18:45:06.490297  # [  103.337202] irq event stamp: 0

 4755 18:45:06.493297  # [  103.340543] hardirqs last  enabled at (0): [<00000000>] 0x0

 4756 18:45:06.498412  # [  103.346439] hardirqs last disabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974

 4757 18:45:06.506402  # [  103.354294] softirqs last  enabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974

 4758 18:45:06.513678  # [  103.362111] softirqs last disabled at (0): [<00000000>] 0x0

 4759 18:45:06.520676  # [  103.367963] ---[ end trace 6556776c6b5d507b ]---

 4760 18:45:06.523668  # [  103.372894] lkdtm: Saturation detected: still saturated

 4761 18:45:06.529429  # REFCOUNT_ADD_NOT_ZERO_SATURATED: missing 'call trace:': [FAIL]

 4762 18:45:06.536306  not ok 56 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh # exit=1

 4763 18:45:06.539191  # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh

 4764 18:45:06.629567  <6>[  103.965752] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED

 4765 18:45:06.635185  <6>[  103.973051] lkdtm: attempting bad refcount_dec_and_test() from saturated

 4766 18:45:06.640186  <4>[  103.980053] ------------[ cut here ]------------

 4767 18:45:06.650050  <4>[  103.985053] WARNING: CPU: 1 PID: 3114 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174

 4768 18:45:06.654312  <4>[  103.993904] refcount_t: underflow; use-after-free.

 4769 18:45:06.683546  <4>[  103.998971] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3

 4770 18:45:06.693317  <4>[  104.028480] CPU: 1 PID: 3114 Comm: cat Tainted: G      D W         5.10.170-cip27 #1

 4771 18:45:06.701122  <4>[  104.036495] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 4772 18:45:06.701642  <4>[  104.043294] Backtrace: 

 4773 18:45:06.712184  <4>[  104.046034] [<c134e998>] (dump_backtrace) from [<c134ed58>] (show_stack+0x20/0x24)

 4774 18:45:06.715505  <4>[  104.053879]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978

 4775 18:45:06.725419  <4>[  104.059818] [<c134ed38>] (show_stack) from [<c1355fa8>] (dump_stack+0xe0/0x100)

 4776 18:45:06.730414  <4>[  104.067408] [<c1355ec8>] (dump_stack) from [<c0356804>] (__warn+0x98/0x14c)

 4777 18:45:06.738516  <4>[  104.074646]  r9:00000009 r8:c0873d80 r7:0000001c r6:00000009 r5:c0873d80 r4:c1a20a0c

 4778 18:45:06.747291  <4>[  104.082665] [<c035676c>] (__warn) from [<c134fe90>] (warn_slowpath_fmt+0x8c/0xa8)

 4779 18:45:06.751564  <4>[  104.090419]  r7:0000001c r6:c1a20a0c r5:c1a20a48 r4:c6caa000

 4780 18:45:06.760821  <4>[  104.096356] [<c134fe08>] (warn_slowpath_fmt) from [<c0873d80>] (refcount_warn_saturate+0x13c/0x174)

 4781 18:45:06.769202  <4>[  104.105675]  r9:c1accb14 r8:c15e88e4 r7:c6cabf60 r6:00000020 r5:c6c81000 r4:c6caa000

 4782 18:45:06.780030  <4>[  104.113699] [<c0873c44>] (refcount_warn_saturate) from [<c0c3641c>] (__refcount_sub_and_test.constprop.0+0x64/0x6c)

 4783 18:45:06.794725  <4>[  104.124418] [<c0c363b8>] (__refcount_sub_and_test.constprop.0) from [<c135d344>] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x50/0x88)

 4784 18:45:06.804211  <4>[  104.136434] [<c135d2f4>] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED) from [<c0c35320>] (lkdtm_do_action+0x2c/0x4c)

 4785 18:45:06.807435  <4>[  104.146705]  r4:0000003a

 4786 18:45:06.814324  <4>[  104.149514] [<c0c352f4>] (lkdtm_do_action) from [<c0c35820>] (direct_entry+0x120/0x18c)

 4787 18:45:06.823520  <4>[  104.157797] [<c0c35700>] (direct_entry) from [<c07e184c>] (full_proxy_write+0x64/0x94)

 4788 18:45:06.832333  <4>[  104.165990]  r9:c6cabf60 r8:c50fdd80 r7:00000020 r6:b6e8a000 r5:c59bf180 r4:c0c35700

 4789 18:45:06.838427  <4>[  104.174013] [<c07e17e8>] (full_proxy_write) from [<c059968c>] (vfs_write+0x10c/0x524)

 4790 18:45:06.845831  <4>[  104.182116]  r9:c07e17e8 r8:c6cabf60 r7:c2815800 r6:b6e8a000 r5:c59bf180 r4:00000000

 4791 18:45:06.854584  <4>[  104.190132] [<c0599580>] (vfs_write) from [<c0599c20>] (ksys_write+0x74/0xec)

 4792 18:45:06.861816  <4>[  104.197542]  r10:00000004 r9:00000000 r8:00000000 r7:b6e8a000 r6:c6caa000 r5:c59bf180

 4793 18:45:06.865585  <4>[  104.205640]  r4:c59bf180

 4794 18:45:06.872219  <4>[  104.208448] [<c0599bac>] (ksys_write) from [<c0599cb0>] (sys_write+0x18/0x1c)

 4795 18:45:06.880193  <4>[  104.215857]  r9:c6caa000 r8:c03002e4 r7:00000004 r6:b6fd1e00 r5:00000020 r4:00000020

 4796 18:45:06.887332  <4>[  104.223877] [<c0599c98>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 4797 18:45:06.895472  <4>[  104.231715] Exception stack(0xc6cabfa8 to 0xc6cabff0)

 4798 18:45:06.901790  <4>[  104.237042] bfa0:                   00000020 00000020 00000001 b6e8a000 00000020 00000000

 4799 18:45:06.911561  <4>[  104.245493] bfc0: 00000020 00000020 b6fd1e00 00000004 00000001 00000000 00020000 beb5ea64

 4800 18:45:06.917077  <4>[  104.253942] bfe0: 00000004 beb5e798 b6f3c4cf b6ec27e6

 4801 18:45:06.919142  <4>[  104.259367] irq event stamp: 0

 4802 18:45:06.925469  <4>[  104.262743] hardirqs last  enabled at (0): [<00000000>] 0x0

 4803 18:45:06.931467  <4>[  104.268602] hardirqs last disabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974

 4804 18:45:06.939907  <4>[  104.276423] softirqs last  enabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974

 4805 18:45:06.946048  <4>[  104.284246] softirqs last disabled at (0): [<00000000>] 0x0

 4806 18:45:06.951782  <4>[  104.290102] ---[ end trace 6556776c6b5d507c ]---

 4807 18:45:06.957002  <6>[  104.295039] lkdtm: Saturation detected: still saturated

 4808 18:45:07.100243  # [  103.965752] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED

 4809 18:45:07.104235  # [  103.973051] lkdtm: attempting bad refcount_dec_and_test() from saturated

 4810 18:45:07.109489  # [  103.980053] ------------[ cut here ]------------

 4811 18:45:07.118842  # [  103.985053] WARNING: CPU: 1 PID: 3114 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174

 4812 18:45:07.122822  # [  103.993904] refcount_t: underflow; use-after-free.

 4813 18:45:07.153879  # [  103.998971] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3

 4814 18:45:07.162377  # [  104.028480] CPU: 1 PID: 3114 Comm: cat Tainted: G      D W         5.10.170-cip27 #1

 4815 18:45:07.167608  # [  104.036495] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 4816 18:45:07.169745  # [  104.043294] Backtrace: 

 4817 18:45:07.178298  # [  104.046034] [<c134e998>] (dump_backtrace) from [<c134ed58>] (show_stack+0x20/0x24)

 4818 18:45:07.183368  # [  104.053879]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978

 4819 18:45:07.191939  # [  104.059818] [<c134ed38>] (show_stack) from [<c1355fa8>] (dump_stack+0xe0/0x100)

 4820 18:45:07.198353  # [  104.067408] [<c1355ec8>] (dump_stack) from [<c0356804>] (__warn+0x98/0x14c)

 4821 18:45:07.206369  # [  104.074646]  r9:00000009 r8:c0873d80 r7:0000001c r6:00000009 r5:c0873d80 r4:c1a20a0c

 4822 18:45:07.213235  # [  104.082665] [<c035676c>] (__warn) from [<c134fe90>] (warn_slowpath_fmt+0x8c/0xa8)

 4823 18:45:07.219962  # [  104.090419]  r7:0000001c r6:c1a20a0c r5:c1a20a48 r4:c6caa000

 4824 18:45:07.228443  # [  104.096356] [<c134fe08>] (warn_slowpath_fmt) from [<c0873d80>] (refcount_warn_saturate+0x13c/0x174)

 4825 18:45:07.235583  # [  104.105675]  r9:c1accb14 r8:c15e88e4 r7:c6cabf60 r6:00000020 r5:c6c81000 r4:c6caa000

 4826 18:45:07.248055  # [  104.113699] [<c0873c44>] (refcount_warn_saturate) from [<c0c3641c>] (__refcount_sub_and_test.constprop.0+0x64/0x6c)

 4827 18:45:07.258505  # [  104.124418] [<c0c363b8>] (__refcount_sub_and_test.constprop.0) from [<c135d344>] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x50/0x88)

 4828 18:45:07.269228  # [  104.136434] [<c135d2f4>] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED) from [<c0c35320>] (lkdtm_do_action+0x2c/0x4c)

 4829 18:45:07.271833  # [  104.146705]  r4:0000003a

 4830 18:45:07.279382  # [  104.149514] [<c0c352f4>] (lkdtm_do_action) from [<c0c35820>] (direct_entry+0x120/0x18c)

 4831 18:45:07.287780  # [  104.157797] [<c0c35700>] (direct_entry) from [<c07e184c>] (full_proxy_write+0x64/0x94)

 4832 18:45:07.298088  # [  104.165990]  r9:c6cabf60 r8:c50fdd80 r7:00000020 r6:b6e8a000 r5:c59bf180 r4:c0c35700

 4833 18:45:07.304511  # [  104.174013] [<c07e17e8>] (full_proxy_write) from [<c059968c>] (vfs_write+0x10c/0x524)

 4834 18:45:07.311256  # [  104.182116]  r9:c07e17e8 r8:c6cabf60 r7:c2815800 r6:b6e8a000 r5:c59bf180 r4:00000000

 4835 18:45:07.319826  # [  104.190132] [<c0599580>] (vfs_write) from [<c0599c20>] (ksys_write+0x74/0xec)

 4836 18:45:07.326761  # [  104.197542]  r10:00000004 r9:00000000 r8:00000000 r7:b6e8a000 r6:c6caa000 r5:c59bf180

 4837 18:45:07.329365  # [  104.205640]  r4:c59bf180

 4838 18:45:07.339240  # [  104.208448] [<c0599bac>] (ksys_write) from [<c0599cb0>] (sys_write+0x18/0x1c)

 4839 18:45:07.346073  # [  104.215857]  r9:c6caa000 r8:c03002e4 r7:00000004 r6:b6fd1e00 r5:00000020 r4:00000020

 4840 18:45:07.356807  # [  104.223877] [<c0599c98>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 4841 18:45:07.360577  # [  104.231715] Exception stack(0xc6cabfa8 to 0xc6cabff0)

 4842 18:45:07.365810  # [  104.237042] bfa0:                   00000020 00000020 00000001 b6e8a000 00000020 00000000

 4843 18:45:07.373325  # [  104.245493] bfc0: 00000020 00000020 b6fd1e00 00000004 00000001 00000000 00020000 beb5ea64

 4844 18:45:07.379619  # [  104.253942] bfe0: 00000004 beb5e798 b6f3c4cf b6ec27e6

 4845 18:45:07.382209  # [  104.259367] irq event stamp: 0

 4846 18:45:07.388868  # [  104.262743] hardirqs last  enabled at (0): [<00000000>] 0x0

 4847 18:45:07.396369  # [  104.268602] hardirqs last disabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974

 4848 18:45:07.404906  # [  104.276423] softirqs last  enabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974

 4849 18:45:07.410239  # [  104.284246] softirqs last disabled at (0): [<00000000>] 0x0

 4850 18:45:07.416628  # [  104.290102] ---[ end trace 6556776c6b5d507c ]---

 4851 18:45:07.419390  # [  104.295039] lkdtm: Saturation detected: still saturated

 4852 18:45:07.426634  # REFCOUNT_DEC_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok

 4853 18:45:07.431766  ok 57 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh

 4854 18:45:07.436379  # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh

 4855 18:45:07.531385  <6>[  104.869124] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED

 4856 18:45:07.542762  <6>[  104.876412] lkdtm: attempting bad refcount_sub_and_test() from saturated

 4857 18:45:07.545503  <4>[  104.883489] ------------[ cut here ]------------

 4858 18:45:07.552386  <4>[  104.888432] WARNING: CPU: 2 PID: 3149 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174

 4859 18:45:07.557512  <4>[  104.897310] refcount_t: underflow; use-after-free.

 4860 18:45:07.587493  <4>[  104.902412] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3

 4861 18:45:07.595989  <4>[  104.931920] CPU: 2 PID: 3149 Comm: cat Tainted: G      D W         5.10.170-cip27 #1

 4862 18:45:07.601921  <4>[  104.939934] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 4863 18:45:07.604901  <4>[  104.946730] Backtrace: 

 4864 18:45:07.615769  <4>[  104.949471] [<c134e998>] (dump_backtrace) from [<c134ed58>] (show_stack+0x20/0x24)

 4865 18:45:07.618378  <4>[  104.957316]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978

 4866 18:45:07.626388  <4>[  104.963255] [<c134ed38>] (show_stack) from [<c1355fa8>] (dump_stack+0xe0/0x100)

 4867 18:45:07.636370  <4>[  104.970846] [<c1355ec8>] (dump_stack) from [<c0356804>] (__warn+0x98/0x14c)

 4868 18:45:07.642268  <4>[  104.978083]  r9:00000009 r8:c0873d80 r7:0000001c r6:00000009 r5:c0873d80 r4:c1a20a0c

 4869 18:45:07.652883  <4>[  104.986104] [<c035676c>] (__warn) from [<c134fe90>] (warn_slowpath_fmt+0x8c/0xa8)

 4870 18:45:07.657143  <4>[  104.993858]  r7:0000001c r6:c1a20a0c r5:c1a20a48 r4:c5ab0000

 4871 18:45:07.665514  <4>[  104.999796] [<c134fe08>] (warn_slowpath_fmt) from [<c0873d80>] (refcount_warn_saturate+0x13c/0x174)

 4872 18:45:07.673326  <4>[  105.009116]  r9:c1accb34 r8:c15e88e4 r7:c5ab1f60 r6:00000020 r5:c5aa0000 r4:c5ab0000

 4873 18:45:07.684520  <4>[  105.017141] [<c0873c44>] (refcount_warn_saturate) from [<c0c3641c>] (__refcount_sub_and_test.constprop.0+0x64/0x6c)

 4874 18:45:07.697418  <4>[  105.027860] [<c0c363b8>] (__refcount_sub_and_test.constprop.0) from [<c135d3cc>] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x50/0x88)

 4875 18:45:07.709270  <4>[  105.039876] [<c135d37c>] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED) from [<c0c35320>] (lkdtm_do_action+0x2c/0x4c)

 4876 18:45:07.709860  <4>[  105.050143]  r4:0000003b

 4877 18:45:07.718262  <4>[  105.052951] [<c0c352f4>] (lkdtm_do_action) from [<c0c35820>] (direct_entry+0x120/0x18c)

 4878 18:45:07.724769  <4>[  105.061236] [<c0c35700>] (direct_entry) from [<c07e184c>] (full_proxy_write+0x64/0x94)

 4879 18:45:07.736547  <4>[  105.069425]  r9:c5ab1f60 r8:c50fdd80 r7:00000020 r6:b6de7000 r5:c5a7c280 r4:c0c35700

 4880 18:45:07.741399  <4>[  105.077448] [<c07e17e8>] (full_proxy_write) from [<c059968c>] (vfs_write+0x10c/0x524)

 4881 18:45:07.749380  <4>[  105.085551]  r9:c07e17e8 r8:c5ab1f60 r7:c2815800 r6:b6de7000 r5:c5a7c280 r4:00000000

 4882 18:45:07.756529  <4>[  105.093567] [<c0599580>] (vfs_write) from [<c0599c20>] (ksys_write+0x74/0xec)

 4883 18:45:07.764649  <4>[  105.100976]  r10:00000004 r9:00000000 r8:00000000 r7:b6de7000 r6:c5ab0000 r5:c5a7c280

 4884 18:45:07.768529  <4>[  105.109072]  r4:c5a7c280

 4885 18:45:07.776670  <4>[  105.111881] [<c0599bac>] (ksys_write) from [<c0599cb0>] (sys_write+0x18/0x1c)

 4886 18:45:07.785163  <4>[  105.119289]  r9:c5ab0000 r8:c03002e4 r7:00000004 r6:b6f2ee00 r5:00000020 r4:00000020

 4887 18:45:07.790893  <4>[  105.127310] [<c0599c98>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 4888 18:45:07.800843  <4>[  105.135149] Exception stack(0xc5ab1fa8 to 0xc5ab1ff0)

 4889 18:45:07.806663  <4>[  105.140474] 1fa0:                   00000020 00000020 00000001 b6de7000 00000020 00000000

 4890 18:45:07.813124  <4>[  105.148925] 1fc0: 00000020 00000020 b6f2ee00 00000004 00000001 00000000 00020000 bed9fa64

 4891 18:45:07.818496  <4>[  105.157375] 1fe0: 00000004 bed9f798 b6e994cf b6e1f7e6

 4892 18:45:07.821521  <4>[  105.162771] irq event stamp: 0

 4893 18:45:07.831152  <4>[  105.166112] hardirqs last  enabled at (0): [<00000000>] 0x0

 4894 18:45:07.834899  <4>[  105.172002] hardirqs last disabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974

 4895 18:45:07.842719  <4>[  105.179773] softirqs last  enabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974

 4896 18:45:07.851099  <4>[  105.187578] softirqs last disabled at (0): [<00000000>] 0x0

 4897 18:45:07.855465  <4>[  105.193460] ---[ end trace 6556776c6b5d507d ]---

 4898 18:45:07.859609  <6>[  105.198365] lkdtm: Saturation detected: still saturated

 4899 18:45:08.003300  # [  104.869124] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED

 4900 18:45:08.009735  # [  104.876412] lkdtm: attempting bad refcount_sub_and_test() from saturated

 4901 18:45:08.014651  # [  104.883489] ------------[ cut here ]------------

 4902 18:45:08.022686  # [  104.888432] WARNING: CPU: 2 PID: 3149 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174

 4903 18:45:08.028307  # [  104.897310] refcount_t: underflow; use-after-free.

 4904 18:45:08.058577  # [  104.902412] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan dw_hdmi_imx dw_hdmi imx_ldb can_dev parallel_display imxdrm etnaviv gpu_sched imx_ipu_v3

 4905 18:45:08.065249  # [  104.931920] CPU: 2 PID: 3149 Comm: cat Tainted: G      D W         5.10.170-cip27 #1

 4906 18:45:08.071551  # [  104.939934] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 4907 18:45:08.074483  # [  104.946730] Backtrace: 

 4908 18:45:08.082581  # [  104.949471] [<c134e998>] (dump_backtrace) from [<c134ed58>] (show_stack+0x20/0x24)

 4909 18:45:08.089939  # [  104.957316]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978

 4910 18:45:08.095301  # [  104.963255] [<c134ed38>] (show_stack) from [<c1355fa8>] (dump_stack+0xe0/0x100)

 4911 18:45:08.103440  # [  104.970846] [<c1355ec8>] (dump_stack) from [<c0356804>] (__warn+0x98/0x14c)

 4912 18:45:08.109546  # [  104.978083]  r9:00000009 r8:c0873d80 r7:0000001c r6:00000009 r5:c0873d80 r4:c1a20a0c

 4913 18:45:08.118170  # [  104.986104] [<c035676c>] (__warn) from [<c134fe90>] (warn_slowpath_fmt+0x8c/0xa8)

 4914 18:45:08.125140  # [  104.993858]  r7:0000001c r6:c1a20a0c r5:c1a20a48 r4:c5ab0000

 4915 18:45:08.132898  # [  104.999796] [<c134fe08>] (warn_slowpath_fmt) from [<c0873d80>] (refcount_warn_saturate+0x13c/0x174)

 4916 18:45:08.140818  # [  105.009116]  r9:c1accb34 r8:c15e88e4 r7:c5ab1f60 r6:00000020 r5:c5aa0000 r4:c5ab0000

 4917 18:45:08.150665  # [  105.017141] [<c0873c44>] (refcount_warn_saturate) from [<c0c3641c>] (__refcount_sub_and_test.constprop.0+0x64/0x6c)

 4918 18:45:08.162435  # [  105.027860] [<c0c363b8>] (__refcount_sub_and_test.constprop.0) from [<c135d3cc>] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x50/0x88)

 4919 18:45:08.173265  # [  105.039876] [<c135d37c>] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED) from [<c0c35320>] (lkdtm_do_action+0x2c/0x4c)

 4920 18:45:08.176398  # [  105.050143]  r4:0000003b

 4921 18:45:08.186901  # [  105.052951] [<c0c352f4>] (lkdtm_do_action) from [<c0c35820>] (direct_entry+0x120/0x18c)

 4922 18:45:08.194183  # [  105.061236] [<c0c35700>] (direct_entry) from [<c07e184c>] (full_proxy_write+0x64/0x94)

 4923 18:45:08.203557  # [  105.069425]  r9:c5ab1f60 r8:c50fdd80 r7:00000020 r6:b6de7000 r5:c5a7c280 r4:c0c35700

 4924 18:45:08.208802  # [  105.077448] [<c07e17e8>] (full_proxy_write) from [<c059968c>] (vfs_write+0x10c/0x524)

 4925 18:45:08.215542  # [  105.085551]  r9:c07e17e8 r8:c5ab1f60 r7:c2815800 r6:b6de7000 r5:c5a7c280 r4:00000000

 4926 18:45:08.224445  # [  105.093567] [<c0599580>] (vfs_write) from [<c0599c20>] (ksys_write+0x74/0xec)

 4927 18:45:08.231696  # [  105.100976]  r10:00000004 r9:00000000 r8:00000000 r7:b6de7000 r6:c5ab0000 r5:c5a7c280

 4928 18:45:08.235014  # [  105.109072]  r4:c5a7c280

 4929 18:45:08.240785  # [  105.111881] [<c0599bac>] (ksys_write) from [<c0599cb0>] (sys_write+0x18/0x1c)

 4930 18:45:08.248542  # [  105.119289]  r9:c5ab0000 r8:c03002e4 r7:00000004 r6:b6f2ee00 r5:00000020 r4:00000020

 4931 18:45:08.257258  # [  105.127310] [<c0599c98>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 4932 18:45:08.263789  # [  105.135149] Exception stack(0xc5ab1fa8 to 0xc5ab1ff0)

 4933 18:45:08.272550  # [  105.140474] 1fa0:                   00000020 00000020 00000001 b6de7000 00000020 00000000

 4934 18:45:08.279907  # [  105.148925] 1fc0: 00000020 00000020 b6f2ee00 00000004 00000001 00000000 00020000 bed9fa64

 4935 18:45:08.283253  # [  105.157375] 1fe0: 00000004 bed9f798 b6e994cf b6e1f7e6

 4936 18:45:08.287779  # [  105.162771] irq event stamp: 0

 4937 18:45:08.294347  # [  105.166112] hardirqs last  enabled at (0): [<00000000>] 0x0

 4938 18:45:08.301431  # [  105.172002] hardirqs last disabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974

 4939 18:45:08.312313  # [  105.179773] softirqs last  enabled at (0): [<c0353d04>] copy_process+0x5f8/0x1974

 4940 18:45:08.313821  # [  105.187578] softirqs last disabled at (0): [<00000000>] 0x0

 4941 18:45:08.318932  # [  105.193460] ---[ end trace 6556776c6b5d507d ]---

 4942 18:45:08.324813  # [  105.198365] lkdtm: Saturation detected: still saturated

 4943 18:45:08.332559  # REFCOUNT_SUB_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok

 4944 18:45:08.338537  ok 58 selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh

 4945 18:45:08.339780  # selftests: lkdtm: REFCOUNT_TIMING.sh

 4946 18:45:08.346679  # Skipping REFCOUNT_TIMING: timing only

 4947 18:45:08.349306  ok 59 selftests: lkdtm: REFCOUNT_TIMING.sh # SKIP

 4948 18:45:08.350746  # selftests: lkdtm: ATOMIC_TIMING.sh

 4949 18:45:08.525758  # Skipping ATOMIC_TIMING: timing only

 4950 18:45:08.535560  ok 60 selftests: lkdtm: ATOMIC_TIMING.sh # SKIP

 4951 18:45:08.556874  # selftests: lkdtm: USERCOPY_HEAP_SIZE_TO.sh

 4952 18:45:08.886278  <6>[  106.220797] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO

 4953 18:45:08.888981  <6>[  106.227185] lkdtm: attempting good copy_to_user of correct size

 4954 18:45:08.895168  <6>[  106.233465] lkdtm: attempting bad copy_to_user of too large size

 4955 18:45:09.026420  # [  106.220797] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO

 4956 18:45:09.033432  # [  106.227185] lkdtm: attempting good copy_to_user of correct size

 4957 18:45:09.037787  # [  106.233465] lkdtm: attempting bad copy_to_user of too large size

 4958 18:45:09.066229  # USERCOPY_HEAP_SIZE_TO: missing 'call trace:': [FAIL]

 4959 18:45:09.089985  not ok 61 selftests: lkdtm: USERCOPY_HEAP_SIZE_TO.sh # exit=1

 4960 18:45:09.119528  # selftests: lkdtm: USERCOPY_HEAP_SIZE_FROM.sh

 4961 18:45:09.434379  <6>[  106.772537] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM

 4962 18:45:09.441620  <6>[  106.779021] lkdtm: attempting good copy_from_user of correct size

 4963 18:45:09.447432  <6>[  106.785505] lkdtm: attempting bad copy_from_user of too large size

 4964 18:45:09.577061  # [  106.772537] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM

 4965 18:45:09.584364  # [  106.779021] lkdtm: attempting good copy_from_user of correct size

 4966 18:45:09.589165  # [  106.785505] lkdtm: attempting bad copy_from_user of too large size

 4967 18:45:09.614063  # USERCOPY_HEAP_SIZE_FROM: missing 'call trace:': [FAIL]

 4968 18:45:09.642083  not ok 62 selftests: lkdtm: USERCOPY_HEAP_SIZE_FROM.sh # exit=1

 4969 18:45:09.669652  # selftests: lkdtm: USERCOPY_HEAP_WHITELIST_TO.sh

 4970 18:45:09.984032  <6>[  107.320794] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO

 4971 18:45:09.989281  <6>[  107.327629] lkdtm: attempting good copy_to_user inside whitelist

 4972 18:45:09.998211  <6>[  107.333997] lkdtm: attempting bad copy_to_user outside whitelist

 4973 18:45:10.127077  # [  107.320794] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO

 4974 18:45:10.132797  # [  107.327629] lkdtm: attempting good copy_to_user inside whitelist

 4975 18:45:10.138134  # [  107.333997] lkdtm: attempting bad copy_to_user outside whitelist

 4976 18:45:10.152927  # USERCOPY_HEAP_WHITELIST_TO: missing 'call trace:': [FAIL]

 4977 18:45:10.177945  not ok 63 selftests: lkdtm: USERCOPY_HEAP_WHITELIST_TO.sh # exit=1

 4978 18:45:10.204766  # selftests: lkdtm: USERCOPY_HEAP_WHITELIST_FROM.sh

 4979 18:45:10.518646  <6>[  107.856037] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM

 4980 18:45:10.524929  <6>[  107.863130] lkdtm: attempting good copy_from_user inside whitelist

 4981 18:45:10.531692  <6>[  107.869644] lkdtm: attempting bad copy_from_user outside whitelist

 4982 18:45:10.663045  # [  107.856037] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM

 4983 18:45:10.670079  # [  107.863130] lkdtm: attempting good copy_from_user inside whitelist

 4984 18:45:10.675073  # [  107.869644] lkdtm: attempting bad copy_from_user outside whitelist

 4985 18:45:10.699149  # USERCOPY_HEAP_WHITELIST_FROM: missing 'call trace:': [FAIL]

 4986 18:45:10.724791  not ok 64 selftests: lkdtm: USERCOPY_HEAP_WHITELIST_FROM.sh # exit=1

 4987 18:45:10.752496  # selftests: lkdtm: USERCOPY_STACK_FRAME_TO.sh

 4988 18:45:11.076183  <6>[  108.414305] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO

 4989 18:45:11.081996  <6>[  108.420810] lkdtm: good_stack: c5bdde0c-c5bdde2c

 4990 18:45:11.086167  <6>[  108.425811] lkdtm: bad_stack : c5bddd84-c5bddda4

 4991 18:45:11.093735  <6>[  108.430753] lkdtm: attempting good copy_to_user of local stack

 4992 18:45:11.098610  <6>[  108.436973] lkdtm: attempting bad copy_to_user of distant stack

 4993 18:45:11.229126  # [  108.414305] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO

 4994 18:45:11.235167  # [  108.420810] lkdtm: good_stack: c5bdde0c-c5bdde2c

 4995 18:45:11.238121  # [  108.425811] lkdtm: bad_stack : c5bddd84-c5bddda4

 4996 18:45:11.245019  # [  108.430753] lkdtm: attempting good copy_to_user of local stack

 4997 18:45:11.250120  # [  108.436973] lkdtm: attempting bad copy_to_user of distant stack

 4998 18:45:11.263083  # USERCOPY_STACK_FRAME_TO: missing 'call trace:': [FAIL]

 4999 18:45:11.293346  not ok 65 selftests: lkdtm: USERCOPY_STACK_FRAME_TO.sh # exit=1

 5000 18:45:11.324160  # selftests: lkdtm: USERCOPY_STACK_FRAME_FROM.sh

 5001 18:45:11.641078  <6>[  108.979238] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM

 5002 18:45:11.648950  <6>[  108.986009] lkdtm: good_stack: c688fe0c-c688fe2c

 5003 18:45:11.651071  <6>[  108.990925] lkdtm: bad_stack : c688fd84-c688fda4

 5004 18:45:11.659570  <6>[  108.995917] lkdtm: attempting good copy_from_user of local stack

 5005 18:45:11.664182  <6>[  109.002281] lkdtm: attempting bad copy_from_user of distant stack

 5006 18:45:11.794631  # [  108.979238] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM

 5007 18:45:11.798254  # [  108.986009] lkdtm: good_stack: c688fe0c-c688fe2c

 5008 18:45:11.801848  # [  108.990925] lkdtm: bad_stack : c688fd84-c688fda4

 5009 18:45:11.808696  # [  108.995917] lkdtm: attempting good copy_from_user of local stack

 5010 18:45:11.814583  # [  109.002281] lkdtm: attempting bad copy_from_user of distant stack

 5011 18:45:11.824719  # USERCOPY_STACK_FRAME_FROM: missing 'call trace:': [FAIL]

 5012 18:45:11.855799  not ok 66 selftests: lkdtm: USERCOPY_STACK_FRAME_FROM.sh # exit=1

 5013 18:45:11.885240  # selftests: lkdtm: USERCOPY_STACK_BEYOND.sh

 5014 18:45:12.192005  <6>[  109.530489] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND

 5015 18:45:12.197000  <6>[  109.536930] lkdtm: good_stack: c5c2fe0c-c5c2fe2c

 5016 18:45:12.202222  <6>[  109.541888] lkdtm: bad_stack : c5c2fffc-c5c3001c

 5017 18:45:12.208136  <6>[  109.546799] lkdtm: attempting good copy_to_user of local stack

 5018 18:45:12.214394  <6>[  109.552995] lkdtm: attempting bad copy_to_user of distant stack

 5019 18:45:12.344016  # [  109.530489] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND

 5020 18:45:12.348135  # [  109.536930] lkdtm: good_stack: c5c2fe0c-c5c2fe2c

 5021 18:45:12.352132  # [  109.541888] lkdtm: bad_stack : c5c2fffc-c5c3001c

 5022 18:45:12.359782  # [  109.546799] lkdtm: attempting good copy_to_user of local stack

 5023 18:45:12.365393  # [  109.552995] lkdtm: attempting bad copy_to_user of distant stack

 5024 18:45:12.369636  # USERCOPY_STACK_BEYOND: missing 'call trace:': [FAIL]

 5025 18:45:12.395684  not ok 67 selftests: lkdtm: USERCOPY_STACK_BEYOND.sh # exit=1

 5026 18:45:12.426345  # selftests: lkdtm: USERCOPY_KERNEL.sh

 5027 18:45:12.759890  <6>[  110.094502] lkdtm: Performing direct entry USERCOPY_KERNEL

 5028 18:45:12.763968  <6>[  110.100325] lkdtm: attempting good copy_to_user from kernel rodata: c15e8b90

 5029 18:45:12.773221  <6>[  110.107791] lkdtm: attempting bad copy_to_user from kernel text: c053af58

 5030 18:45:12.777151  <3>[  110.114906] lkdtm: FAIL: survived bad copy_to_user()

 5031 18:45:12.931336  # [  110.094502] lkdtm: Performing direct entry USERCOPY_KERNEL

 5032 18:45:12.941016  # [  110.100325] lkdtm: attempting good copy_to_user from kernel rodata: c15e8b90

 5033 18:45:12.945378  # [  110.107791] lkdtm: attempting bad copy_to_user from kernel text: c053af58

 5034 18:45:12.949656  # [  110.114906] lkdtm: FAIL: survived bad copy_to_user()

 5035 18:45:12.989692  # USERCOPY_KERNEL: missing 'call trace:': [FAIL]

 5036 18:45:13.026103  not ok 68 selftests: lkdtm: USERCOPY_KERNEL.sh # exit=1

 5037 18:45:13.085403  # selftests: lkdtm: STACKLEAK_ERASING.sh

 5038 18:45:13.768544  <6>[  111.107088] lkdtm: Performing direct entry STACKLEAK_ERASING

 5039 18:45:13.775822  <6>[  111.113164] lkdtm: checking unused part of the thread stack (7732 bytes)...

 5040 18:45:13.785802  <3>[  111.120494] lkdtm: FAIL: the erased part is not found (checked 7732 bytes)

 5041 18:45:13.791035  <3>[  111.127748] lkdtm: FAIL: the thread stack is NOT properly erased

 5042 18:45:13.800546  <4>[  111.134102] CPU: 0 PID: 3514 Comm: cat Tainted: G      D W         5.10.170-cip27 #1

 5043 18:45:13.805021  <4>[  111.142118] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 5044 18:45:13.809344  <4>[  111.148913] Backtrace: 

 5045 18:45:13.815194  <4>[  111.151656] [<c134e998>] (dump_backtrace) from [<c134ed58>] (show_stack+0x20/0x24)

 5046 18:45:13.823666  <4>[  111.159501]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978

 5047 18:45:13.828483  <4>[  111.165440] [<c134ed38>] (show_stack) from [<c1355fa8>] (dump_stack+0xe0/0x100)

 5048 18:45:13.836958  <4>[  111.173035] [<c1355ec8>] (dump_stack) from [<c135d6b4>] (lkdtm_STACKLEAK_ERASING+0x148/0x174)

 5049 18:45:13.845238  <4>[  111.181835]  r9:c1accc3c r8:c15e88e4 r7:c5ac3f60 r6:c5ac3e34 r5:c5ac2000 r4:0000078d

 5050 18:45:13.858216  <4>[  111.189857] [<c135d56c>] (lkdtm_STACKLEAK_ERASING) from [<c0c35320>] (lkdtm_do_action+0x2c/0x4c)

 5051 18:45:13.860995  <4>[  111.198916]  r8:c15e88e4 r7:c5ac3f60 r6:00000012 r5:c695b000 r4:00000046

 5052 18:45:13.872517  <4>[  111.205893] [<c0c352f4>] (lkdtm_do_action) from [<c0c35820>] (direct_entry+0x120/0x18c)

 5053 18:45:13.877643  <4>[  111.214174] [<c0c35700>] (direct_entry) from [<c07e184c>] (full_proxy_write+0x64/0x94)

 5054 18:45:13.887077  <4>[  111.222367]  r9:c5ac3f60 r8:c50fdd80 r7:00000012 r6:b6eac000 r5:c29c97c0 r4:c0c35700

 5055 18:45:13.895452  <4>[  111.230394] [<c07e17e8>] (full_proxy_write) from [<c059968c>] (vfs_write+0x10c/0x524)

 5056 18:45:13.902491  <4>[  111.238497]  r9:c07e17e8 r8:c5ac3f60 r7:c2815800 r6:b6eac000 r5:c29c97c0 r4:00000000

 5057 18:45:13.909456  <4>[  111.246515] [<c0599580>] (vfs_write) from [<c0599c20>] (ksys_write+0x74/0xec)

 5058 18:45:13.917267  <4>[  111.253924]  r10:00000004 r9:00000000 r8:00000000 r7:b6eac000 r6:c5ac2000 r5:c29c97c0

 5059 18:45:13.920514  <4>[  111.262022]  r4:c29c97c0

 5060 18:45:13.928879  <4>[  111.264832] [<c0599bac>] (ksys_write) from [<c0599cb0>] (sys_write+0x18/0x1c)

 5061 18:45:13.936506  <4>[  111.272241]  r9:c5ac2000 r8:c03002e4 r7:00000004 r6:b6ff3e00 r5:00000012 r4:00000012

 5062 18:45:13.943498  <4>[  111.280263] [<c0599c98>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 5063 18:45:13.952019  <4>[  111.288103] Exception stack(0xc5ac3fa8 to 0xc5ac3ff0)

 5064 18:45:13.958217  <4>[  111.293430] 3fa0:                   00000012 00000012 00000001 b6eac000 00000012 00000000

 5065 18:45:13.968151  <4>[  111.301882] 3fc0: 00000012 00000012 b6ff3e00 00000004 00000001 00000000 00020000 bed2fa64

 5066 18:45:13.971014  <4>[  111.310329] 3fe0: 00000004 bed2f798 b6f5e4cf b6ee47e6

 5067 18:45:14.103354  # [  111.107088] lkdtm: Performing direct entry STACKLEAK_ERASING

 5068 18:45:14.109381  # [  111.113164] lkdtm: checking unused part of the thread stack (7732 bytes)...

 5069 18:45:14.116903  # [  111.120494] lkdtm: FAIL: the erased part is not found (checked 7732 bytes)

 5070 18:45:14.123291  # [  111.127748] lkdtm: FAIL: the thread stack is NOT properly erased

 5071 18:45:14.132244  # [  111.134102] CPU: 0 PID: 3514 Comm: cat Tainted: G      D W         5.10.170-cip27 #1

 5072 18:45:14.138384  # [  111.142118] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 5073 18:45:14.139207  # [  111.148913] Backtrace: 

 5074 18:45:14.147450  # [  111.151656] [<c134e998>] (dump_backtrace) from [<c134ed58>] (show_stack+0x20/0x24)

 5075 18:45:14.153278  # [  111.159501]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f978

 5076 18:45:14.163033  # [  111.165440] [<c134ed38>] (show_stack) from [<c1355fa8>] (dump_stack+0xe0/0x100)

 5077 18:45:14.171274  # [  111.173035] [<c1355ec8>] (dump_stack) from [<c135d6b4>] (lkdtm_STACKLEAK_ERASING+0x148/0x174)

 5078 18:45:14.180126  # [  111.181835]  r9:c1accc3c r8:c15e88e4 r7:c5ac3f60 r6:c5ac3e34 r5:c5ac2000 r4:0000078d

 5079 18:45:14.186746  # [  111.189857] [<c135d56c>] (lkdtm_STACKLEAK_ERASING) from [<c0c35320>] (lkdtm_do_action+0x2c/0x4c)

 5080 18:45:14.194629  # [  111.198916]  r8:c15e88e4 r7:c5ac3f60 r6:00000012 r5:c695b000 r4:00000046

 5081 18:45:14.203074  # [  111.205893] [<c0c352f4>] (lkdtm_do_action) from [<c0c35820>] (direct_entry+0x120/0x18c)

 5082 18:45:14.211956  # [  111.214174] [<c0c35700>] (direct_entry) from [<c07e184c>] (full_proxy_write+0x64/0x94)

 5083 18:45:14.219056  # [  111.222367]  r9:c5ac3f60 r8:c50fdd80 r7:00000012 r6:b6eac000 r5:c29c97c0 r4:c0c35700

 5084 18:45:14.226273  # [  111.230394] [<c07e17e8>] (full_proxy_write) from [<c059968c>] (vfs_write+0x10c/0x524)

 5085 18:45:14.234919  # [  111.238497]  r9:c07e17e8 r8:c5ac3f60 r7:c2815800 r6:b6eac000 r5:c29c97c0 r4:00000000

 5086 18:45:14.241252  # [  111.246515] [<c0599580>] (vfs_write) from [<c0599c20>] (ksys_write+0x74/0xec)

 5087 18:45:14.251026  # [  111.253924]  r10:00000004 r9:00000000 r8:00000000 r7:b6eac000 r6:c5ac2000 r5:c29c97c0

 5088 18:45:14.251840  # [  111.262022]  r4:c29c97c0

 5089 18:45:14.259567  # [  111.264832] [<c0599bac>] (ksys_write) from [<c0599cb0>] (sys_write+0x18/0x1c)

 5090 18:45:14.269149  # [  111.272241]  r9:c5ac2000 r8:c03002e4 r7:00000004 r6:b6ff3e00 r5:00000012 r4:00000012

 5091 18:45:14.274200  # [  111.280263] [<c0599c98>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 5092 18:45:14.279606  # [  111.288103] Exception stack(0xc5ac3fa8 to 0xc5ac3ff0)

 5093 18:45:14.288468  # [  111.293430] 3fa0:                   00000012 00000012 00000001 b6eac000 00000012 00000000

 5094 18:45:14.295486  # [  111.301882] 3fc0: 00000012 00000012 b6ff3e00 00000004 00000001 00000000 00020000 bed2fa64

 5095 18:45:14.301187  # [  111.310329] 3fe0: 00000004 bed2f798 b6f5e4cf b6ee47e6

 5096 18:45:14.309641  # STACKLEAK_ERASING: missing 'OK: the rest of the thread stack is properly erased': [FAIL]

 5097 18:45:14.314820  not ok 69 selftests: lkdtm: STACKLEAK_ERASING.sh # exit=1

 5098 18:45:14.317255  # selftests: lkdtm: CFI_FORWARD_PROTO.sh

 5099 18:45:14.515116  <6>[  111.853907] lkdtm: Performing direct entry CFI_FORWARD_PROTO

 5100 18:45:14.520501  <6>[  111.859854] lkdtm: Calling matched prototype ...

 5101 18:45:14.525826  <6>[  111.864809] lkdtm: Calling mismatched prototype ...

 5102 18:45:14.532089  <6>[  111.869965] lkdtm: Fail: survived mismatched prototype function call!

 5103 18:45:14.661253  # [  111.853907] lkdtm: Performing direct entry CFI_FORWARD_PROTO

 5104 18:45:14.666993  # [  111.859854] lkdtm: Calling matched prototype ...

 5105 18:45:14.672739  # [  111.864809] lkdtm: Calling mismatched prototype ...

 5106 18:45:14.676943  # [  111.869965] lkdtm: Fail: survived mismatched prototype function call!

 5107 18:45:14.688085  # CFI_FORWARD_PROTO: missing 'call trace:': [FAIL]

 5108 18:45:14.719686  not ok 70 selftests: lkdtm: CFI_FORWARD_PROTO.sh # exit=1

 5109 18:45:15.552019  lkdtm_PANIC_sh skip

 5110 18:45:15.552588  lkdtm_BUG_sh pass

 5111 18:45:15.553464  lkdtm_WARNING_sh pass

 5112 18:45:15.556919  lkdtm_WARNING_MESSAGE_sh pass

 5113 18:45:15.563242  lkdtm_EXCEPTION_sh fail

 5114 18:45:15.563715  lkdtm_LOOP_sh skip

 5115 18:45:15.564069  lkdtm_EXHAUST_STACK_sh skip

 5116 18:45:15.566873  lkdtm_CORRUPT_STACK_sh skip

 5117 18:45:15.574747  lkdtm_CORRUPT_STACK_STRONG_sh skip

 5118 18:45:15.575204  lkdtm_CORRUPT_LIST_ADD_sh fail

 5119 18:45:15.581189  lkdtm_CORRUPT_LIST_DEL_sh fail

 5120 18:45:15.581645  lkdtm_STACK_GUARD_PAGE_LEADING_sh fail

 5121 18:45:15.585229  lkdtm_STACK_GUARD_PAGE_TRAILING_sh fail

 5122 18:45:15.586140  lkdtm_UNSET_SMEP_sh skip

 5123 18:45:15.587266  lkdtm_DOUBLE_FAULT_sh skip

 5124 18:45:15.589970  lkdtm_CORRUPT_PAC_sh skip

 5125 18:45:15.594517  lkdtm_UNALIGNED_LOAD_STORE_WRITE_sh skip

 5126 18:45:15.596343  lkdtm_OVERWRITE_ALLOCATION_sh skip

 5127 18:45:15.598953  lkdtm_WRITE_AFTER_FREE_sh skip

 5128 18:45:15.600269  lkdtm_READ_AFTER_FREE_sh fail

 5129 18:45:15.605658  lkdtm_WRITE_BUDDY_AFTER_FREE_sh skip

 5130 18:45:15.609910  lkdtm_READ_BUDDY_AFTER_FREE_sh fail

 5131 18:45:15.616557  lkdtm_SLAB_FREE_DOUBLE_sh fail

 5132 18:45:15.616809  lkdtm_SLAB_FREE_CROSS_sh fail

 5133 18:45:15.617081  lkdtm_SLAB_FREE_PAGE_sh fail

 5134 18:45:15.619864  lkdtm_SOFTLOCKUP_sh skip

 5135 18:45:15.620235  lkdtm_HARDLOCKUP_sh skip

 5136 18:45:15.626262  lkdtm_SPINLOCKUP_sh skip

 5137 18:45:15.626624  lkdtm_HUNG_TASK_sh skip

 5138 18:45:15.627239  lkdtm_EXEC_DATA_sh fail

 5139 18:45:15.628719  lkdtm_EXEC_STACK_sh fail

 5140 18:45:15.631771  lkdtm_EXEC_KMALLOC_sh fail

 5141 18:45:15.634524  lkdtm_EXEC_VMALLOC_sh fail

 5142 18:45:15.638425  lkdtm_EXEC_RODATA_sh fail

 5143 18:45:15.641322  lkdtm_EXEC_USERSPACE_sh fail

 5144 18:45:15.641835  lkdtm_EXEC_NULL_sh fail

 5145 18:45:15.648006  lkdtm_ACCESS_USERSPACE_sh fail

 5146 18:45:15.651791  lkdtm_ACCESS_NULL_sh fail

 5147 18:45:15.652126  lkdtm_WRITE_RO_sh fail

 5148 18:45:15.652422  lkdtm_WRITE_RO_AFTER_INIT_sh fail

 5149 18:45:15.655445  lkdtm_WRITE_KERN_sh fail

 5150 18:45:15.659445  lkdtm_REFCOUNT_INC_OVERFLOW_sh fail

 5151 18:45:15.663639  lkdtm_REFCOUNT_ADD_OVERFLOW_sh fail

 5152 18:45:15.667453  lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW_sh fail

 5153 18:45:15.671576  lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW_sh fail

 5154 18:45:15.672007  lkdtm_REFCOUNT_DEC_ZERO_sh fail

 5155 18:45:15.675489  lkdtm_REFCOUNT_DEC_NEGATIVE_sh pass

 5156 18:45:15.679463  lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE_sh pass

 5157 18:45:15.683697  lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE_sh pass

 5158 18:45:15.687501  lkdtm_REFCOUNT_INC_ZERO_sh fail

 5159 18:45:15.691457  lkdtm_REFCOUNT_ADD_ZERO_sh fail

 5160 18:45:15.695762  lkdtm_REFCOUNT_INC_SATURATED_sh pass

 5161 18:45:15.696041  lkdtm_REFCOUNT_DEC_SATURATED_sh pass

 5162 18:45:15.700126  lkdtm_REFCOUNT_ADD_SATURATED_sh pass

 5163 18:45:15.703859  lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED_sh fail

 5164 18:45:15.707810  lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED_sh fail

 5165 18:45:15.711813  lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED_sh pass

 5166 18:45:15.714511  lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED_sh pass

 5167 18:45:15.719258  lkdtm_REFCOUNT_TIMING_sh skip

 5168 18:45:15.723138  lkdtm_ATOMIC_TIMING_sh skip

 5169 18:45:15.727040  lkdtm_USERCOPY_HEAP_SIZE_TO_sh fail

 5170 18:45:15.727278  lkdtm_USERCOPY_HEAP_SIZE_FROM_sh fail

 5171 18:45:15.730504  lkdtm_USERCOPY_HEAP_WHITELIST_TO_sh fail

 5172 18:45:15.737087  lkdtm_USERCOPY_HEAP_WHITELIST_FROM_sh fail

 5173 18:45:15.737326  lkdtm_USERCOPY_STACK_FRAME_TO_sh fail

 5174 18:45:15.739600  lkdtm_USERCOPY_STACK_FRAME_FROM_sh fail

 5175 18:45:15.745070  lkdtm_USERCOPY_STACK_BEYOND_sh fail

 5176 18:45:15.748317  lkdtm_USERCOPY_KERNEL_sh fail

 5177 18:45:15.751322  lkdtm_STACKLEAK_ERASING_sh fail

 5178 18:45:15.754031  lkdtm_CFI_FORWARD_PROTO_sh fail

 5179 18:45:15.755297  + ../../utils/send-to-lava.sh ./output/result.txt

 5180 18:45:15.857364  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=breakpoints:step_after_suspend_test RESULT=skip>

 5181 18:45:15.857990  Received signal: <TESTCASE> TEST_CASE_ID=breakpoints:step_after_suspend_test RESULT=skip
 5183 18:45:15.963824  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=ftrace:ftracetest RESULT=skip>

 5184 18:45:15.964299  Received signal: <TESTCASE> TEST_CASE_ID=ftrace:ftracetest RESULT=skip
 5186 18:45:16.068428  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=net:rtnetlink.sh RESULT=skip>

 5187 18:45:16.069000  Received signal: <TESTCASE> TEST_CASE_ID=net:rtnetlink.sh RESULT=skip
 5189 18:45:16.234606  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=net:tls RESULT=skip>

 5190 18:45:16.235217  Received signal: <TESTCASE> TEST_CASE_ID=net:tls RESULT=skip
 5192 18:45:16.346897  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=netfilter:bridge_brouter.sh RESULT=skip>

 5193 18:45:16.347566  Received signal: <TESTCASE> TEST_CASE_ID=netfilter:bridge_brouter.sh RESULT=skip
 5195 18:45:16.473899  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=netfilter:nft_flowtable.sh RESULT=skip>

 5196 18:45:16.474717  Received signal: <TESTCASE> TEST_CASE_ID=netfilter:nft_flowtable.sh RESULT=skip
 5198 18:45:16.588233  Received signal: <TESTCASE> TEST_CASE_ID=netfilter:nft_trans_stress.sh RESULT=skip
 5200 18:45:16.589863  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=netfilter:nft_trans_stress.sh RESULT=skip>

 5201 18:45:16.717985  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=pidfd:pidfd_wait RESULT=skip>

 5202 18:45:16.718761  Received signal: <TESTCASE> TEST_CASE_ID=pidfd:pidfd_wait RESULT=skip
 5204 18:45:16.839409  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_PANIC_sh RESULT=skip>

 5205 18:45:16.839891  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_PANIC_sh RESULT=skip
 5207 18:45:16.956326  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_BUG_sh RESULT=pass>

 5208 18:45:16.956851  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_BUG_sh RESULT=pass
 5210 18:45:17.071865  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_WARNING_sh RESULT=pass>

 5211 18:45:17.072333  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_WARNING_sh RESULT=pass
 5213 18:45:17.205204  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_WARNING_MESSAGE_sh RESULT=pass>

 5214 18:45:17.205659  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_WARNING_MESSAGE_sh RESULT=pass
 5216 18:45:17.329162  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXCEPTION_sh RESULT=fail>

 5217 18:45:17.329643  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXCEPTION_sh RESULT=fail
 5219 18:45:17.451179  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_LOOP_sh RESULT=skip>

 5220 18:45:17.451713  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_LOOP_sh RESULT=skip
 5222 18:45:17.572992  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXHAUST_STACK_sh RESULT=skip>

 5223 18:45:17.573482  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXHAUST_STACK_sh RESULT=skip
 5225 18:45:17.700734  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_CORRUPT_STACK_sh RESULT=skip>

 5226 18:45:17.701224  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_CORRUPT_STACK_sh RESULT=skip
 5228 18:45:17.819765  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_CORRUPT_STACK_STRONG_sh RESULT=skip>

 5229 18:45:17.820317  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_CORRUPT_STACK_STRONG_sh RESULT=skip
 5231 18:45:17.937805  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_CORRUPT_LIST_ADD_sh RESULT=fail>

 5232 18:45:17.938295  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_CORRUPT_LIST_ADD_sh RESULT=fail
 5234 18:45:18.059716  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_CORRUPT_LIST_DEL_sh RESULT=fail>

 5235 18:45:18.060187  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_CORRUPT_LIST_DEL_sh RESULT=fail
 5237 18:45:18.168409  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_STACK_GUARD_PAGE_LEADING_sh RESULT=fail>

 5238 18:45:18.168912  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_STACK_GUARD_PAGE_LEADING_sh RESULT=fail
 5240 18:45:18.288114  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_STACK_GUARD_PAGE_TRAILING_sh RESULT=fail>

 5241 18:45:18.288999  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_STACK_GUARD_PAGE_TRAILING_sh RESULT=fail
 5243 18:45:18.398053  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_UNSET_SMEP_sh RESULT=skip
 5245 18:45:18.399713  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_UNSET_SMEP_sh RESULT=skip>

 5246 18:45:18.561536  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_DOUBLE_FAULT_sh RESULT=skip>

 5247 18:45:18.562407  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_DOUBLE_FAULT_sh RESULT=skip
 5249 18:45:19.026683  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_CORRUPT_PAC_sh RESULT=skip>

 5250 18:45:19.027713  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_CORRUPT_PAC_sh RESULT=skip
 5252 18:45:19.575199  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_UNALIGNED_LOAD_STORE_WRITE_sh RESULT=skip
 5254 18:45:19.577133  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_UNALIGNED_LOAD_STORE_WRITE_sh RESULT=skip>

 5255 18:45:19.689040  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_OVERWRITE_ALLOCATION_sh RESULT=skip>

 5256 18:45:19.689660  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_OVERWRITE_ALLOCATION_sh RESULT=skip
 5258 18:45:19.803982  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_WRITE_AFTER_FREE_sh RESULT=skip>

 5259 18:45:19.804802  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_WRITE_AFTER_FREE_sh RESULT=skip
 5261 18:45:19.954253  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_READ_AFTER_FREE_sh RESULT=fail>

 5262 18:45:19.955123  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_READ_AFTER_FREE_sh RESULT=fail
 5264 18:45:20.178956  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_WRITE_BUDDY_AFTER_FREE_sh RESULT=skip>

 5265 18:45:20.179818  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_WRITE_BUDDY_AFTER_FREE_sh RESULT=skip
 5267 18:45:20.300071  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_READ_BUDDY_AFTER_FREE_sh RESULT=fail>

 5268 18:45:20.300898  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_READ_BUDDY_AFTER_FREE_sh RESULT=fail
 5270 18:45:20.424911  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_SLAB_FREE_DOUBLE_sh RESULT=fail>

 5271 18:45:20.425450  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_SLAB_FREE_DOUBLE_sh RESULT=fail
 5273 18:45:20.537270  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_SLAB_FREE_CROSS_sh RESULT=fail>

 5274 18:45:20.538092  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_SLAB_FREE_CROSS_sh RESULT=fail
 5276 18:45:20.665221  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_SLAB_FREE_PAGE_sh RESULT=fail
 5278 18:45:20.666129  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_SLAB_FREE_PAGE_sh RESULT=fail>

 5279 18:45:20.786136  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_SOFTLOCKUP_sh RESULT=skip>

 5280 18:45:20.786607  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_SOFTLOCKUP_sh RESULT=skip
 5282 18:45:20.913146  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_HARDLOCKUP_sh RESULT=skip>

 5283 18:45:20.913982  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_HARDLOCKUP_sh RESULT=skip
 5285 18:45:21.036129  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_SPINLOCKUP_sh RESULT=skip
 5287 18:45:21.036840  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_SPINLOCKUP_sh RESULT=skip>

 5288 18:45:21.155248  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_HUNG_TASK_sh RESULT=skip>

 5289 18:45:21.155720  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_HUNG_TASK_sh RESULT=skip
 5291 18:45:21.278864  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXEC_DATA_sh RESULT=fail>

 5292 18:45:21.279339  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXEC_DATA_sh RESULT=fail
 5294 18:45:21.387661  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXEC_STACK_sh RESULT=fail>

 5295 18:45:21.388166  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXEC_STACK_sh RESULT=fail
 5297 18:45:21.511361  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXEC_KMALLOC_sh RESULT=fail>

 5298 18:45:21.511873  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXEC_KMALLOC_sh RESULT=fail
 5300 18:45:21.638871  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXEC_VMALLOC_sh RESULT=fail>

 5301 18:45:21.639342  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXEC_VMALLOC_sh RESULT=fail
 5303 18:45:21.756319  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXEC_RODATA_sh RESULT=fail>

 5304 18:45:21.756788  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXEC_RODATA_sh RESULT=fail
 5306 18:45:21.876912  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXEC_USERSPACE_sh RESULT=fail>

 5307 18:45:21.877409  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXEC_USERSPACE_sh RESULT=fail
 5309 18:45:21.997693  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXEC_NULL_sh RESULT=fail>

 5310 18:45:21.998159  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXEC_NULL_sh RESULT=fail
 5312 18:45:22.224709  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_ACCESS_USERSPACE_sh RESULT=fail>

 5313 18:45:22.225602  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_ACCESS_USERSPACE_sh RESULT=fail
 5315 18:45:22.751806  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_ACCESS_NULL_sh RESULT=fail>

 5316 18:45:22.752389  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_ACCESS_NULL_sh RESULT=fail
 5318 18:45:22.878444  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_WRITE_RO_sh RESULT=fail>

 5319 18:45:22.879141  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_WRITE_RO_sh RESULT=fail
 5321 18:45:22.982638  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_WRITE_RO_AFTER_INIT_sh RESULT=fail
 5323 18:45:22.983783  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_WRITE_RO_AFTER_INIT_sh RESULT=fail>

 5324 18:45:23.088343  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_WRITE_KERN_sh RESULT=fail>

 5325 18:45:23.089170  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_WRITE_KERN_sh RESULT=fail
 5327 18:45:23.194300  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_INC_OVERFLOW_sh RESULT=fail>

 5328 18:45:23.195323  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_INC_OVERFLOW_sh RESULT=fail
 5330 18:45:23.315729  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_ADD_OVERFLOW_sh RESULT=fail>

 5331 18:45:23.316431  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_ADD_OVERFLOW_sh RESULT=fail
 5333 18:45:23.430168  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW_sh RESULT=fail>

 5334 18:45:23.431016  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW_sh RESULT=fail
 5336 18:45:23.543332  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW_sh RESULT=fail>

 5337 18:45:23.544166  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW_sh RESULT=fail
 5339 18:45:23.660345  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_DEC_ZERO_sh RESULT=fail>

 5340 18:45:23.661188  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_DEC_ZERO_sh RESULT=fail
 5342 18:45:23.786739  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_DEC_NEGATIVE_sh RESULT=pass>

 5343 18:45:23.787364  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_DEC_NEGATIVE_sh RESULT=pass
 5345 18:45:23.901248  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE_sh RESULT=pass>

 5346 18:45:23.901912  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE_sh RESULT=pass
 5348 18:45:24.019481  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE_sh RESULT=pass>

 5349 18:45:24.020205  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE_sh RESULT=pass
 5351 18:45:24.135280  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_INC_ZERO_sh RESULT=fail>

 5352 18:45:24.136252  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_INC_ZERO_sh RESULT=fail
 5354 18:45:24.249419  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_ADD_ZERO_sh RESULT=fail>

 5355 18:45:24.250228  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_ADD_ZERO_sh RESULT=fail
 5357 18:45:24.355277  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_INC_SATURATED_sh RESULT=pass>

 5358 18:45:24.356230  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_INC_SATURATED_sh RESULT=pass
 5360 18:45:24.460030  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_DEC_SATURATED_sh RESULT=pass>

 5361 18:45:24.460892  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_DEC_SATURATED_sh RESULT=pass
 5363 18:45:24.560940  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_ADD_SATURATED_sh RESULT=pass>

 5364 18:45:24.561773  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_ADD_SATURATED_sh RESULT=pass
 5366 18:45:24.676431  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED_sh RESULT=fail>

 5367 18:45:24.677379  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED_sh RESULT=fail
 5369 18:45:24.799243  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED_sh RESULT=fail>

 5370 18:45:24.799812  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED_sh RESULT=fail
 5372 18:45:24.902045  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED_sh RESULT=pass>

 5373 18:45:24.902769  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED_sh RESULT=pass
 5375 18:45:25.008300  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED_sh RESULT=pass>

 5376 18:45:25.009273  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED_sh RESULT=pass
 5378 18:45:25.116011  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_TIMING_sh RESULT=skip>

 5379 18:45:25.116852  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_TIMING_sh RESULT=skip
 5381 18:45:25.228118  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_ATOMIC_TIMING_sh RESULT=skip>

 5382 18:45:25.228816  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_ATOMIC_TIMING_sh RESULT=skip
 5384 18:45:25.327534  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_HEAP_SIZE_TO_sh RESULT=fail>

 5385 18:45:25.328480  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_HEAP_SIZE_TO_sh RESULT=fail
 5387 18:45:25.440599  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_HEAP_SIZE_FROM_sh RESULT=fail>

 5388 18:45:25.441138  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_HEAP_SIZE_FROM_sh RESULT=fail
 5390 18:45:25.625134  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_HEAP_WHITELIST_TO_sh RESULT=fail>

 5391 18:45:25.625956  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_HEAP_WHITELIST_TO_sh RESULT=fail
 5393 18:45:25.729549  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_HEAP_WHITELIST_FROM_sh RESULT=fail>

 5394 18:45:25.730253  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_HEAP_WHITELIST_FROM_sh RESULT=fail
 5396 18:45:25.841567  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_STACK_FRAME_TO_sh RESULT=fail>

 5397 18:45:25.842276  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_STACK_FRAME_TO_sh RESULT=fail
 5399 18:45:25.941534  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_STACK_FRAME_FROM_sh RESULT=fail>

 5400 18:45:25.942159  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_STACK_FRAME_FROM_sh RESULT=fail
 5402 18:45:26.047003  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_STACK_BEYOND_sh RESULT=fail
 5404 18:45:26.048420  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_STACK_BEYOND_sh RESULT=fail>

 5405 18:45:26.166310  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_KERNEL_sh RESULT=fail>

 5406 18:45:26.166863  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_KERNEL_sh RESULT=fail
 5408 18:45:26.274059  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_STACKLEAK_ERASING_sh RESULT=fail>

 5409 18:45:26.274897  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_STACKLEAK_ERASING_sh RESULT=fail
 5411 18:45:26.385562  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_CFI_FORWARD_PROTO_sh RESULT=fail>

 5412 18:45:26.386056  + set +x

 5413 18:45:26.386831  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_CFI_FORWARD_PROTO_sh RESULT=fail
 5415 18:45:26.390028  <LAVA_SIGNAL_ENDRUN 1_kselftest-lkdtm 9334776_1.6.2.4.5>

 5416 18:45:26.390789  Received signal: <ENDRUN> 1_kselftest-lkdtm 9334776_1.6.2.4.5
 5417 18:45:26.391122  Ending use of test pattern.
 5418 18:45:26.391430  Ending test lava.1_kselftest-lkdtm (9334776_1.6.2.4.5), duration 68.77
 5420 18:45:26.397770  <LAVA_TEST_RUNNER EXIT>

 5421 18:45:26.398405  ok: lava_test_shell seems to have completed
 5422 18:45:26.400798  breakpoints:step_after_suspend_test: skip
ftrace:ftracetest: skip
lkdtm_ACCESS_NULL_sh: fail
lkdtm_ACCESS_USERSPACE_sh: fail
lkdtm_ATOMIC_TIMING_sh: skip
lkdtm_BUG_sh: pass
lkdtm_CFI_FORWARD_PROTO_sh: fail
lkdtm_CORRUPT_LIST_ADD_sh: fail
lkdtm_CORRUPT_LIST_DEL_sh: fail
lkdtm_CORRUPT_PAC_sh: skip
lkdtm_CORRUPT_STACK_STRONG_sh: skip
lkdtm_CORRUPT_STACK_sh: skip
lkdtm_DOUBLE_FAULT_sh: skip
lkdtm_EXCEPTION_sh: fail
lkdtm_EXEC_DATA_sh: fail
lkdtm_EXEC_KMALLOC_sh: fail
lkdtm_EXEC_NULL_sh: fail
lkdtm_EXEC_RODATA_sh: fail
lkdtm_EXEC_STACK_sh: fail
lkdtm_EXEC_USERSPACE_sh: fail
lkdtm_EXEC_VMALLOC_sh: fail
lkdtm_EXHAUST_STACK_sh: skip
lkdtm_HARDLOCKUP_sh: skip
lkdtm_HUNG_TASK_sh: skip
lkdtm_LOOP_sh: skip
lkdtm_OVERWRITE_ALLOCATION_sh: skip
lkdtm_PANIC_sh: skip
lkdtm_READ_AFTER_FREE_sh: fail
lkdtm_READ_BUDDY_AFTER_FREE_sh: fail
lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW_sh: fail
lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED_sh: fail
lkdtm_REFCOUNT_ADD_OVERFLOW_sh: fail
lkdtm_REFCOUNT_ADD_SATURATED_sh: pass
lkdtm_REFCOUNT_ADD_ZERO_sh: fail
lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE_sh: pass
lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED_sh: pass
lkdtm_REFCOUNT_DEC_NEGATIVE_sh: pass
lkdtm_REFCOUNT_DEC_SATURATED_sh: pass
lkdtm_REFCOUNT_DEC_ZERO_sh: fail
lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW_sh: fail
lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED_sh: fail
lkdtm_REFCOUNT_INC_OVERFLOW_sh: fail
lkdtm_REFCOUNT_INC_SATURATED_sh: pass
lkdtm_REFCOUNT_INC_ZERO_sh: fail
lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE_sh: pass
lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED_sh: pass
lkdtm_REFCOUNT_TIMING_sh: skip
lkdtm_SLAB_FREE_CROSS_sh: fail
lkdtm_SLAB_FREE_DOUBLE_sh: fail
lkdtm_SLAB_FREE_PAGE_sh: fail
lkdtm_SOFTLOCKUP_sh: skip
lkdtm_SPINLOCKUP_sh: skip
lkdtm_STACKLEAK_ERASING_sh: fail
lkdtm_STACK_GUARD_PAGE_LEADING_sh: fail
lkdtm_STACK_GUARD_PAGE_TRAILING_sh: fail
lkdtm_UNALIGNED_LOAD_STORE_WRITE_sh: skip
lkdtm_UNSET_SMEP_sh: skip
lkdtm_USERCOPY_HEAP_SIZE_FROM_sh: fail
lkdtm_USERCOPY_HEAP_SIZE_TO_sh: fail
lkdtm_USERCOPY_HEAP_WHITELIST_FROM_sh: fail
lkdtm_USERCOPY_HEAP_WHITELIST_TO_sh: fail
lkdtm_USERCOPY_KERNEL_sh: fail
lkdtm_USERCOPY_STACK_BEYOND_sh: fail
lkdtm_USERCOPY_STACK_FRAME_FROM_sh: fail
lkdtm_USERCOPY_STACK_FRAME_TO_sh: fail
lkdtm_WARNING_MESSAGE_sh: pass
lkdtm_WARNING_sh: pass
lkdtm_WRITE_AFTER_FREE_sh: skip
lkdtm_WRITE_BUDDY_AFTER_FREE_sh: skip
lkdtm_WRITE_KERN_sh: fail
lkdtm_WRITE_RO_AFTER_INIT_sh: fail
lkdtm_WRITE_RO_sh: fail
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

 5423 18:45:26.401311  end: 3.1 lava-test-shell (duration 00:01:10) [common]
 5424 18:45:26.401723  end: 3 lava-test-retry (duration 00:01:10) [common]
 5425 18:45:26.402146  start: 4 finalize (timeout 00:05:55) [common]
 5426 18:45:26.402639  start: 4.1 power-off (timeout 00:00:30) [common]
 5427 18:45:26.403212  Calling: 'nice' '/usr/local/bin/rack-power.sh' 'rack-power-0' '-f' '4'
 5428 18:45:26.438905  >> Software version: 7

 5429 18:45:26.447718  >> Relay states: 0x8

 5430 18:45:26.448801  Returned 0 in 0 seconds
 5431 18:45:26.550461  end: 4.1 power-off (duration 00:00:00) [common]
 5433 18:45:26.552382  start: 4.2 read-feedback (timeout 00:05:54) [common]
 5434 18:45:26.553774  Listened to connection for namespace 'common' for up to 1s
 5435 18:45:26.554906  Listened to connection for namespace 'common' for up to 1s
 5436 18:45:27.558311  Finalising connection for namespace 'common'
 5437 18:45:27.559200  Disconnecting from shell: Finalise
 5438 18:45:27.559779  / # 
 5439 18:45:27.661633  end: 4.2 read-feedback (duration 00:00:01) [common]
 5440 18:45:27.662828  end: 4 finalize (duration 00:00:01) [common]
 5441 18:45:27.663881  Cleaning after the job
 5442 18:45:27.664699  Cleaning up download directory: /var/lib/lava/dispatcher/tmp/9334776/tftp-deploy-ew5pbo2m/ramdisk
 5443 18:45:27.669626  Cleaning up download directory: /var/lib/lava/dispatcher/tmp/9334776/tftp-deploy-ew5pbo2m/kernel
 5444 18:45:27.672359  Cleaning up download directory: /var/lib/lava/dispatcher/tmp/9334776/tftp-deploy-ew5pbo2m/dtb
 5445 18:45:27.672846  Cleaning up download directory: /var/lib/lava/dispatcher/tmp/9334776/tftp-deploy-ew5pbo2m/nfsrootfs
 5446 18:45:27.763425  Cleaning up download directory: /var/lib/lava/dispatcher/tmp/9334776/tftp-deploy-ew5pbo2m/modules
 5447 18:45:27.769757  Override tmp directory removed at /var/lib/lava/dispatcher/tmp/9334776
 5448 18:45:29.269318  Root tmp directory removed at /var/lib/lava/dispatcher/tmp/9334776
 5449 18:45:29.269782  Job finished correctly