Boot log: imx6q-sabrelite

    1 10:53:35.249246  lava-dispatcher, installed at version: 2022.10
    2 10:53:35.249421  start: 0 validate
    3 10:53:35.249540  Start time: 2022-11-26 10:53:35.249533+00:00 (UTC)
    4 10:53:35.249650  Using caching service: 'http://localhost/cache/?uri=%s'
    5 10:53:35.249773  Validating that http://localhost/cache/?uri=http%3A%2F%2Fstorage.kernelci.org%2Fimages%2Frootfs%2Fdebian%2Fbullseye-kselftest%2F20221107.1%2Farmhf%2Finitrd.cpio.gz exists
    6 10:53:37.757040  Using caching service: 'http://localhost/cache/?uri=%s'
    7 10:53:37.757295  Validating that http://localhost/cache/?uri=http%3A%2F%2Fstorage.kernelci.org%2Fcip%2Flinux-5.10.y-cip%2Fv5.10.155-cip21%2Farm%2Fmulti_v7_defconfig%2Bkselftest%2Fgcc-10%2Fkernel%2FzImage exists
    8 10:53:42.772283  Using caching service: 'http://localhost/cache/?uri=%s'
    9 10:53:42.772592  Validating that http://localhost/cache/?uri=http%3A%2F%2Fstorage.kernelci.org%2Fcip%2Flinux-5.10.y-cip%2Fv5.10.155-cip21%2Farm%2Fmulti_v7_defconfig%2Bkselftest%2Fgcc-10%2Fdtbs%2Fimx6q-sabrelite.dtb exists
   10 10:53:42.774637  Using caching service: 'http://localhost/cache/?uri=%s'
   11 10:53:42.774851  Validating that http://localhost/cache/?uri=http%3A%2F%2Fstorage.kernelci.org%2Fimages%2Frootfs%2Fdebian%2Fbullseye-kselftest%2F20221107.1%2Farmhf%2Ffull.rootfs.tar.xz exists
   12 10:54:44.281877  Using caching service: 'http://localhost/cache/?uri=%s'
   13 10:54:44.282053  Validating that http://localhost/cache/?uri=http%3A%2F%2Fstorage.kernelci.org%2Fcip%2Flinux-5.10.y-cip%2Fv5.10.155-cip21%2Farm%2Fmulti_v7_defconfig%2Bkselftest%2Fgcc-10%2Fmodules.tar.xz exists
   14 10:54:44.568062  validate duration: 69.32
   16 10:54:44.568333  start: 1 tftp-deploy (timeout 00:10:00) [common]
   17 10:54:44.568433  start: 1.1 download-retry (timeout 00:10:00) [common]
   18 10:54:44.568520  start: 1.1.1 http-download (timeout 00:10:00) [common]
   19 10:54:44.568676  Not decompressing ramdisk as can be used compressed.
   20 10:54:44.568770  downloading http://storage.kernelci.org/images/rootfs/debian/bullseye-kselftest/20221107.1/armhf/initrd.cpio.gz
   21 10:54:44.568835  saving as /var/lib/lava/dispatcher/tmp/8138416/tftp-deploy-wk2o7r1i/ramdisk/initrd.cpio.gz
   22 10:54:44.568895  total size: 4018274 (3MB)
   23 10:54:44.858433  progress   0% (0MB)
   24 10:54:44.859633  progress   5% (0MB)
   25 10:54:44.860722  progress  10% (0MB)
   26 10:54:44.861699  progress  15% (0MB)
   27 10:54:44.862671  progress  20% (0MB)
   28 10:54:44.863680  progress  25% (0MB)
   29 10:54:44.864699  progress  30% (1MB)
   30 10:54:44.865706  progress  35% (1MB)
   31 10:54:44.866831  progress  40% (1MB)
   32 10:54:44.867830  progress  45% (1MB)
   33 10:54:44.868831  progress  50% (1MB)
   34 10:54:44.869804  progress  55% (2MB)
   35 10:54:44.870799  progress  60% (2MB)
   36 10:54:44.871766  progress  65% (2MB)
   37 10:54:44.872772  progress  70% (2MB)
   38 10:54:44.873744  progress  75% (2MB)
   39 10:54:44.874860  progress  80% (3MB)
   40 10:54:44.875822  progress  85% (3MB)
   41 10:54:44.876850  progress  90% (3MB)
   42 10:54:44.877819  progress  95% (3MB)
   43 10:54:44.878835  progress 100% (3MB)
   44 10:54:44.879097  3MB downloaded in 0.31s (12.35MB/s)
   45 10:54:44.879264  end: 1.1.1 http-download (duration 00:00:00) [common]
   47 10:54:44.879530  end: 1.1 download-retry (duration 00:00:00) [common]
   48 10:54:44.879648  start: 1.2 download-retry (timeout 00:10:00) [common]
   49 10:54:44.879747  start: 1.2.1 http-download (timeout 00:10:00) [common]
   50 10:54:44.879856  downloading http://storage.kernelci.org/cip/linux-5.10.y-cip/v5.10.155-cip21/arm/multi_v7_defconfig+kselftest/gcc-10/kernel/zImage
   51 10:54:44.879922  saving as /var/lib/lava/dispatcher/tmp/8138416/tftp-deploy-wk2o7r1i/kernel/zImage
   52 10:54:44.880019  total size: 12448256 (11MB)
   53 10:54:44.880079  No compression specified
   54 10:54:45.171304  progress   0% (0MB)
   55 10:54:45.174365  progress   5% (0MB)
   56 10:54:45.177361  progress  10% (1MB)
   57 10:54:45.180333  progress  15% (1MB)
   58 10:54:45.183307  progress  20% (2MB)
   59 10:54:45.186318  progress  25% (2MB)
   60 10:54:45.189325  progress  30% (3MB)
   61 10:54:45.192261  progress  35% (4MB)
   62 10:54:45.195297  progress  40% (4MB)
   63 10:54:45.198284  progress  45% (5MB)
   64 10:54:45.201256  progress  50% (5MB)
   65 10:54:45.204192  progress  55% (6MB)
   66 10:54:45.207209  progress  60% (7MB)
   67 10:54:45.210178  progress  65% (7MB)
   68 10:54:45.213119  progress  70% (8MB)
   69 10:54:45.216050  progress  75% (8MB)
   70 10:54:45.218966  progress  80% (9MB)
   71 10:54:45.221888  progress  85% (10MB)
   72 10:54:45.224841  progress  90% (10MB)
   73 10:54:45.227756  progress  95% (11MB)
   74 10:54:45.230732  progress 100% (11MB)
   75 10:54:45.231001  11MB downloaded in 0.35s (33.82MB/s)
   76 10:54:45.231185  end: 1.2.1 http-download (duration 00:00:00) [common]
   78 10:54:45.231422  end: 1.2 download-retry (duration 00:00:00) [common]
   79 10:54:45.231530  start: 1.3 download-retry (timeout 00:09:59) [common]
   80 10:54:45.231647  start: 1.3.1 http-download (timeout 00:09:59) [common]
   81 10:54:45.231797  downloading http://storage.kernelci.org/cip/linux-5.10.y-cip/v5.10.155-cip21/arm/multi_v7_defconfig+kselftest/gcc-10/dtbs/imx6q-sabrelite.dtb
   82 10:54:45.231864  saving as /var/lib/lava/dispatcher/tmp/8138416/tftp-deploy-wk2o7r1i/dtb/imx6q-sabrelite.dtb
   83 10:54:45.231923  total size: 42449 (0MB)
   84 10:54:45.231982  No compression specified
   85 10:54:45.523244  progress  77% (0MB)
   86 10:54:45.523576  progress 100% (0MB)
   87 10:54:45.523799  0MB downloaded in 0.29s (0.14MB/s)
   88 10:54:45.523946  end: 1.3.1 http-download (duration 00:00:00) [common]
   90 10:54:45.524220  end: 1.3 download-retry (duration 00:00:00) [common]
   91 10:54:45.524307  start: 1.4 download-retry (timeout 00:09:59) [common]
   92 10:54:45.524391  start: 1.4.1 http-download (timeout 00:09:59) [common]
   93 10:54:45.524496  downloading http://storage.kernelci.org/images/rootfs/debian/bullseye-kselftest/20221107.1/armhf/full.rootfs.tar.xz
   94 10:54:45.524562  saving as /var/lib/lava/dispatcher/tmp/8138416/tftp-deploy-wk2o7r1i/nfsrootfs/full.rootfs.tar
   95 10:54:45.524622  total size: 195788804 (186MB)
   96 10:54:45.524737  Using unxz to decompress xz
   97 10:54:45.528093  progress   0% (0MB)
   98 10:54:46.052997  progress   5% (9MB)
   99 10:54:46.552769  progress  10% (18MB)
  100 10:54:47.104103  progress  15% (28MB)
  101 10:54:47.480397  progress  20% (37MB)
  102 10:54:47.776136  progress  25% (46MB)
  103 10:54:48.332821  progress  30% (56MB)
  104 10:54:48.876913  progress  35% (65MB)
  105 10:54:49.432912  progress  40% (74MB)
  106 10:54:49.985954  progress  45% (84MB)
  107 10:54:50.540725  progress  50% (93MB)
  108 10:54:51.142484  progress  55% (102MB)
  109 10:54:51.786712  progress  60% (112MB)
  110 10:54:51.912308  progress  65% (121MB)
  111 10:54:52.064995  progress  70% (130MB)
  112 10:54:52.156334  progress  75% (140MB)
  113 10:54:52.220360  progress  80% (149MB)
  114 10:54:52.287484  progress  85% (158MB)
  115 10:54:52.389093  progress  90% (168MB)
  116 10:54:52.661817  progress  95% (177MB)
  117 10:54:53.208540  progress 100% (186MB)
  118 10:54:53.213164  186MB downloaded in 7.69s (24.29MB/s)
  119 10:54:53.213540  end: 1.4.1 http-download (duration 00:00:08) [common]
  121 10:54:53.213979  end: 1.4 download-retry (duration 00:00:08) [common]
  122 10:54:53.214126  start: 1.5 download-retry (timeout 00:09:51) [common]
  123 10:54:53.214273  start: 1.5.1 http-download (timeout 00:09:51) [common]
  124 10:54:53.214444  downloading http://storage.kernelci.org/cip/linux-5.10.y-cip/v5.10.155-cip21/arm/multi_v7_defconfig+kselftest/gcc-10/modules.tar.xz
  125 10:54:53.214556  saving as /var/lib/lava/dispatcher/tmp/8138416/tftp-deploy-wk2o7r1i/modules/modules.tar
  126 10:54:53.214669  total size: 7358428 (7MB)
  127 10:54:53.214785  Using unxz to decompress xz
  128 10:54:53.218891  progress   0% (0MB)
  129 10:54:53.237704  progress   5% (0MB)
  130 10:54:53.258333  progress  10% (0MB)
  131 10:54:53.278269  progress  15% (1MB)
  132 10:54:53.297241  progress  20% (1MB)
  133 10:54:53.320930  progress  25% (1MB)
  134 10:54:53.341266  progress  30% (2MB)
  135 10:54:53.361649  progress  35% (2MB)
  136 10:54:53.381755  progress  40% (2MB)
  137 10:54:53.403451  progress  45% (3MB)
  138 10:54:53.422877  progress  50% (3MB)
  139 10:54:53.442508  progress  55% (3MB)
  140 10:54:53.462285  progress  60% (4MB)
  141 10:54:53.482326  progress  65% (4MB)
  142 10:54:53.504691  progress  70% (4MB)
  143 10:54:53.523888  progress  75% (5MB)
  144 10:54:53.543335  progress  80% (5MB)
  145 10:54:53.563493  progress  85% (5MB)
  146 10:54:53.585275  progress  90% (6MB)
  147 10:54:53.605349  progress  95% (6MB)
  148 10:54:53.625620  progress 100% (7MB)
  149 10:54:53.630765  7MB downloaded in 0.42s (16.87MB/s)
  150 10:54:53.631142  end: 1.5.1 http-download (duration 00:00:00) [common]
  152 10:54:53.631609  end: 1.5 download-retry (duration 00:00:00) [common]
  153 10:54:53.631785  start: 1.6 prepare-tftp-overlay (timeout 00:09:51) [common]
  154 10:54:53.631967  start: 1.6.1 extract-nfsrootfs (timeout 00:09:51) [common]
  155 10:54:55.638328  Extracted nfsroot to /var/lib/lava/dispatcher/tmp/8138416/extract-nfsrootfs-knpv73x2
  156 10:54:55.638552  end: 1.6.1 extract-nfsrootfs (duration 00:00:02) [common]
  157 10:54:55.638706  start: 1.6.2 lava-overlay (timeout 00:09:49) [common]
  158 10:54:55.638894  [common] Preparing overlay tarball in /var/lib/lava/dispatcher/tmp/8138416/lava-overlay-z29_ex68
  159 10:54:55.639036  makedir: /var/lib/lava/dispatcher/tmp/8138416/lava-overlay-z29_ex68/lava-8138416/bin
  160 10:54:55.639156  makedir: /var/lib/lava/dispatcher/tmp/8138416/lava-overlay-z29_ex68/lava-8138416/tests
  161 10:54:55.639278  makedir: /var/lib/lava/dispatcher/tmp/8138416/lava-overlay-z29_ex68/lava-8138416/results
  162 10:54:55.639451  Creating /var/lib/lava/dispatcher/tmp/8138416/lava-overlay-z29_ex68/lava-8138416/bin/lava-add-keys
  163 10:54:55.639638  Creating /var/lib/lava/dispatcher/tmp/8138416/lava-overlay-z29_ex68/lava-8138416/bin/lava-add-sources
  164 10:54:55.639796  Creating /var/lib/lava/dispatcher/tmp/8138416/lava-overlay-z29_ex68/lava-8138416/bin/lava-background-process-start
  165 10:54:55.639916  Creating /var/lib/lava/dispatcher/tmp/8138416/lava-overlay-z29_ex68/lava-8138416/bin/lava-background-process-stop
  166 10:54:55.640030  Creating /var/lib/lava/dispatcher/tmp/8138416/lava-overlay-z29_ex68/lava-8138416/bin/lava-common-functions
  167 10:54:55.640141  Creating /var/lib/lava/dispatcher/tmp/8138416/lava-overlay-z29_ex68/lava-8138416/bin/lava-echo-ipv4
  168 10:54:55.640252  Creating /var/lib/lava/dispatcher/tmp/8138416/lava-overlay-z29_ex68/lava-8138416/bin/lava-install-packages
  169 10:54:55.640362  Creating /var/lib/lava/dispatcher/tmp/8138416/lava-overlay-z29_ex68/lava-8138416/bin/lava-installed-packages
  170 10:54:55.640470  Creating /var/lib/lava/dispatcher/tmp/8138416/lava-overlay-z29_ex68/lava-8138416/bin/lava-os-build
  171 10:54:55.640578  Creating /var/lib/lava/dispatcher/tmp/8138416/lava-overlay-z29_ex68/lava-8138416/bin/lava-probe-channel
  172 10:54:55.640776  Creating /var/lib/lava/dispatcher/tmp/8138416/lava-overlay-z29_ex68/lava-8138416/bin/lava-probe-ip
  173 10:54:55.640890  Creating /var/lib/lava/dispatcher/tmp/8138416/lava-overlay-z29_ex68/lava-8138416/bin/lava-target-ip
  174 10:54:55.641000  Creating /var/lib/lava/dispatcher/tmp/8138416/lava-overlay-z29_ex68/lava-8138416/bin/lava-target-mac
  175 10:54:55.641109  Creating /var/lib/lava/dispatcher/tmp/8138416/lava-overlay-z29_ex68/lava-8138416/bin/lava-target-storage
  176 10:54:55.641224  Creating /var/lib/lava/dispatcher/tmp/8138416/lava-overlay-z29_ex68/lava-8138416/bin/lava-test-case
  177 10:54:55.641336  Creating /var/lib/lava/dispatcher/tmp/8138416/lava-overlay-z29_ex68/lava-8138416/bin/lava-test-event
  178 10:54:55.641444  Creating /var/lib/lava/dispatcher/tmp/8138416/lava-overlay-z29_ex68/lava-8138416/bin/lava-test-feedback
  179 10:54:55.641552  Creating /var/lib/lava/dispatcher/tmp/8138416/lava-overlay-z29_ex68/lava-8138416/bin/lava-test-raise
  180 10:54:55.641659  Creating /var/lib/lava/dispatcher/tmp/8138416/lava-overlay-z29_ex68/lava-8138416/bin/lava-test-reference
  181 10:54:55.641766  Creating /var/lib/lava/dispatcher/tmp/8138416/lava-overlay-z29_ex68/lava-8138416/bin/lava-test-runner
  182 10:54:55.641874  Creating /var/lib/lava/dispatcher/tmp/8138416/lava-overlay-z29_ex68/lava-8138416/bin/lava-test-set
  183 10:54:55.641982  Creating /var/lib/lava/dispatcher/tmp/8138416/lava-overlay-z29_ex68/lava-8138416/bin/lava-test-shell
  184 10:54:55.642090  Updating /var/lib/lava/dispatcher/tmp/8138416/lava-overlay-z29_ex68/lava-8138416/bin/lava-add-keys (debian)
  185 10:54:55.642201  Updating /var/lib/lava/dispatcher/tmp/8138416/lava-overlay-z29_ex68/lava-8138416/bin/lava-add-sources (debian)
  186 10:54:55.642311  Updating /var/lib/lava/dispatcher/tmp/8138416/lava-overlay-z29_ex68/lava-8138416/bin/lava-install-packages (debian)
  187 10:54:55.642421  Updating /var/lib/lava/dispatcher/tmp/8138416/lava-overlay-z29_ex68/lava-8138416/bin/lava-installed-packages (debian)
  188 10:54:55.642530  Updating /var/lib/lava/dispatcher/tmp/8138416/lava-overlay-z29_ex68/lava-8138416/bin/lava-os-build (debian)
  189 10:54:55.642625  Creating /var/lib/lava/dispatcher/tmp/8138416/lava-overlay-z29_ex68/lava-8138416/environment
  190 10:54:55.642708  LAVA metadata
  191 10:54:55.642772  - LAVA_JOB_ID=8138416
  192 10:54:55.642833  - LAVA_DISPATCHER_IP=192.168.201.1
  193 10:54:55.642928  start: 1.6.2.1 ssh-authorize (timeout 00:09:49) [common]
  194 10:54:55.643110  end: 1.6.2.1 ssh-authorize (duration 00:00:00) [common]
  195 10:54:55.643198  start: 1.6.2.2 lava-vland-overlay (timeout 00:09:49) [common]
  196 10:54:55.643263  skipped lava-vland-overlay
  197 10:54:55.643338  end: 1.6.2.2 lava-vland-overlay (duration 00:00:00) [common]
  198 10:54:55.643419  start: 1.6.2.3 lava-multinode-overlay (timeout 00:09:49) [common]
  199 10:54:55.643480  skipped lava-multinode-overlay
  200 10:54:55.643553  end: 1.6.2.3 lava-multinode-overlay (duration 00:00:00) [common]
  201 10:54:55.643631  start: 1.6.2.4 test-definition (timeout 00:09:49) [common]
  202 10:54:55.643739  Loading test definitions
  203 10:54:55.643826  start: 1.6.2.4.1 inline-repo-action (timeout 00:09:49) [common]
  204 10:54:55.643896  Using /lava-8138416 at stage 0
  205 10:54:55.644124  uuid=8138416_1.6.2.4.1 testdef=None
  206 10:54:55.644213  end: 1.6.2.4.1 inline-repo-action (duration 00:00:00) [common]
  207 10:54:55.644297  start: 1.6.2.4.2 test-overlay (timeout 00:09:49) [common]
  208 10:54:55.644771  end: 1.6.2.4.2 test-overlay (duration 00:00:00) [common]
  210 10:54:55.645013  start: 1.6.2.4.3 test-install-overlay (timeout 00:09:49) [common]
  211 10:54:55.645508  end: 1.6.2.4.3 test-install-overlay (duration 00:00:00) [common]
  213 10:54:55.645741  start: 1.6.2.4.4 test-runscript-overlay (timeout 00:09:49) [common]
  214 10:54:55.646198  runner path: /var/lib/lava/dispatcher/tmp/8138416/lava-overlay-z29_ex68/lava-8138416/0/tests/0_timesync-off test_uuid 8138416_1.6.2.4.1
  215 10:54:55.646343  end: 1.6.2.4.4 test-runscript-overlay (duration 00:00:00) [common]
  217 10:54:55.646572  start: 1.6.2.4.5 git-repo-action (timeout 00:09:49) [common]
  218 10:54:55.646645  Using /lava-8138416 at stage 0
  219 10:54:55.646770  Fetching tests from https://github.com/kernelci/test-definitions.git
  220 10:54:55.646879  Running '/usr/bin/git clone https://github.com/kernelci/test-definitions.git /var/lib/lava/dispatcher/tmp/8138416/lava-overlay-z29_ex68/lava-8138416/0/tests/1_kselftest-lkdtm'
  221 10:55:00.199903  Running '/usr/bin/git checkout kernelci.org
  222 10:55:00.337216  Tests stored (tmp) in /var/lib/lava/dispatcher/tmp/8138416/lava-overlay-z29_ex68/lava-8138416/0/tests/1_kselftest-lkdtm/automated/linux/kselftest/kselftest.yaml
  223 10:55:00.337923  uuid=8138416_1.6.2.4.5 testdef=None
  224 10:55:00.338097  end: 1.6.2.4.5 git-repo-action (duration 00:00:05) [common]
  226 10:55:00.338382  start: 1.6.2.4.6 test-overlay (timeout 00:09:44) [common]
  227 10:55:00.339124  end: 1.6.2.4.6 test-overlay (duration 00:00:00) [common]
  229 10:55:00.339387  start: 1.6.2.4.7 test-install-overlay (timeout 00:09:44) [common]
  230 10:55:00.340377  end: 1.6.2.4.7 test-install-overlay (duration 00:00:00) [common]
  232 10:55:00.340702  start: 1.6.2.4.8 test-runscript-overlay (timeout 00:09:44) [common]
  233 10:55:00.341603  runner path: /var/lib/lava/dispatcher/tmp/8138416/lava-overlay-z29_ex68/lava-8138416/0/tests/1_kselftest-lkdtm test_uuid 8138416_1.6.2.4.5
  234 10:55:00.341700  BOARD='imx6q-sabrelite'
  235 10:55:00.341779  BRANCH='cip'
  236 10:55:00.341860  SKIPFILE='skipfile-lkft.yaml'
  237 10:55:00.341939  TESTPROG_URL='http://storage.kernelci.org/cip/linux-5.10.y-cip/v5.10.155-cip21/arm/multi_v7_defconfig+kselftest/gcc-10/kselftest.tar.xz'
  238 10:55:00.342019  TST_CASENAME=''
  239 10:55:00.342097  TST_CMDFILES='lkdtm'
  240 10:55:00.342258  end: 1.6.2.4.8 test-runscript-overlay (duration 00:00:00) [common]
  242 10:55:00.342495  Creating lava-test-runner.conf files
  243 10:55:00.342578  Using lava-test-runner path: /var/lib/lava/dispatcher/tmp/8138416/lava-overlay-z29_ex68/lava-8138416/0 for stage 0
  244 10:55:00.342685  - 0_timesync-off
  245 10:55:00.342764  - 1_kselftest-lkdtm
  246 10:55:00.342882  end: 1.6.2.4 test-definition (duration 00:00:05) [common]
  247 10:55:00.342988  start: 1.6.2.5 compress-overlay (timeout 00:09:44) [common]
  248 10:55:07.632649  end: 1.6.2.5 compress-overlay (duration 00:00:07) [common]
  249 10:55:07.632856  start: 1.6.2.6 persistent-nfs-overlay (timeout 00:09:37) [common]
  250 10:55:07.632952  end: 1.6.2.6 persistent-nfs-overlay (duration 00:00:00) [common]
  251 10:55:07.633052  end: 1.6.2 lava-overlay (duration 00:00:12) [common]
  252 10:55:07.633149  start: 1.6.3 extract-overlay-ramdisk (timeout 00:09:37) [common]
  253 10:55:07.696766  end: 1.6.3 extract-overlay-ramdisk (duration 00:00:00) [common]
  254 10:55:07.697116  start: 1.6.4 extract-modules (timeout 00:09:37) [common]
  255 10:55:07.697263  extracting modules file /var/lib/lava/dispatcher/tmp/8138416/tftp-deploy-wk2o7r1i/modules/modules.tar to /var/lib/lava/dispatcher/tmp/8138416/extract-nfsrootfs-knpv73x2
  256 10:55:07.793703  extracting modules file /var/lib/lava/dispatcher/tmp/8138416/tftp-deploy-wk2o7r1i/modules/modules.tar to /var/lib/lava/dispatcher/tmp/8138416/extract-overlay-ramdisk-3h66j0uv/ramdisk
  257 10:55:07.887884  end: 1.6.4 extract-modules (duration 00:00:00) [common]
  258 10:55:07.888051  start: 1.6.5 apply-overlay-tftp (timeout 00:09:37) [common]
  259 10:55:07.888151  [common] Applying overlay to NFS
  260 10:55:07.888230  [common] Applying overlay /var/lib/lava/dispatcher/tmp/8138416/compress-overlay-xo050r5t/overlay-1.6.2.5.tar.gz to directory /var/lib/lava/dispatcher/tmp/8138416/extract-nfsrootfs-knpv73x2
  261 10:55:08.337182  end: 1.6.5 apply-overlay-tftp (duration 00:00:00) [common]
  262 10:55:08.337350  start: 1.6.6 prepare-kernel (timeout 00:09:36) [common]
  263 10:55:08.337477  start: 1.6.6.1 uboot-prepare-kernel (timeout 00:09:36) [common]
  264 10:55:08.337595  end: 1.6.6.1 uboot-prepare-kernel (duration 00:00:00) [common]
  265 10:55:08.337696  end: 1.6.6 prepare-kernel (duration 00:00:00) [common]
  266 10:55:08.337798  start: 1.6.7 configure-preseed-file (timeout 00:09:36) [common]
  267 10:55:08.337900  end: 1.6.7 configure-preseed-file (duration 00:00:00) [common]
  268 10:55:08.338003  start: 1.6.8 compress-ramdisk (timeout 00:09:36) [common]
  269 10:55:08.338092  Building ramdisk /var/lib/lava/dispatcher/tmp/8138416/extract-overlay-ramdisk-3h66j0uv/ramdisk.cpio containing /var/lib/lava/dispatcher/tmp/8138416/extract-overlay-ramdisk-3h66j0uv/ramdisk
  270 10:55:08.439628  >> 79903 blocks

  271 10:55:09.885709  Adding RAMdisk u-boot header.
  272 10:55:09.886044  mkimage -A arm -T ramdisk -C none -d /var/lib/lava/dispatcher/tmp/8138416/extract-overlay-ramdisk-3h66j0uv/ramdisk.cpio.gz /var/lib/lava/dispatcher/tmp/8138416/extract-overlay-ramdisk-3h66j0uv/ramdisk.cpio.gz.uboot
  273 10:55:09.917455  output: Image Name:   
  274 10:55:09.917774  output: Created:      Sat Nov 26 10:55:09 2022
  275 10:55:09.917880  output: Image Type:   ARM Linux RAMDisk Image (uncompressed)
  276 10:55:09.917969  output: Data Size:    15271654 Bytes = 14913.72 KiB = 14.56 MiB
  277 10:55:09.918051  output: Load Address: 00000000
  278 10:55:09.918132  output: Entry Point:  00000000
  279 10:55:09.918211  output: 
  280 10:55:09.918344  rename /var/lib/lava/dispatcher/tmp/8138416/extract-overlay-ramdisk-3h66j0uv/ramdisk.cpio.gz.uboot to /var/lib/lava/dispatcher/tmp/8138416/tftp-deploy-wk2o7r1i/ramdisk/ramdisk.cpio.gz.uboot
  281 10:55:09.918554  end: 1.6.8 compress-ramdisk (duration 00:00:02) [common]
  282 10:55:09.918689  end: 1.6 prepare-tftp-overlay (duration 00:00:16) [common]
  283 10:55:09.918805  start: 1.7 lxc-create-udev-rule-action (timeout 00:09:35) [common]
  284 10:55:09.918895  No LXC device requested
  285 10:55:09.919002  end: 1.7 lxc-create-udev-rule-action (duration 00:00:00) [common]
  286 10:55:09.919108  start: 1.8 deploy-device-env (timeout 00:09:35) [common]
  287 10:55:09.919208  end: 1.8 deploy-device-env (duration 00:00:00) [common]
  288 10:55:09.919287  Checking files for TFTP limit of 4294967296 bytes.
  289 10:55:09.919774  end: 1 tftp-deploy (duration 00:00:25) [common]
  290 10:55:09.919894  start: 2 uboot-action (timeout 00:05:00) [common]
  291 10:55:09.920009  start: 2.1 uboot-from-media (timeout 00:05:00) [common]
  292 10:55:09.920109  end: 2.1 uboot-from-media (duration 00:00:00) [common]
  293 10:55:09.920218  start: 2.2 bootloader-overlay (timeout 00:05:00) [common]
  294 10:55:09.920392  substitutions:
  295 10:55:09.920471  - {BOOTX}: bootz 0x10000000 0x14000000 0x13f00000
  296 10:55:09.920552  - {DTB_ADDR}: 0x13f00000
  297 10:55:09.920632  - {DTB}: 8138416/tftp-deploy-wk2o7r1i/dtb/imx6q-sabrelite.dtb
  298 10:55:09.920740  - {INITRD}: 8138416/tftp-deploy-wk2o7r1i/ramdisk/ramdisk.cpio.gz.uboot
  299 10:55:09.920831  - {KERNEL_ADDR}: 0x10000000
  300 10:55:09.920906  - {KERNEL}: 8138416/tftp-deploy-wk2o7r1i/kernel/zImage
  301 10:55:09.920981  - {LAVA_MAC}: None
  302 10:55:09.921056  - {NFSROOTFS}: /var/lib/lava/dispatcher/tmp/8138416/extract-nfsrootfs-knpv73x2
  303 10:55:09.921131  - {NFS_SERVER_IP}: 192.168.201.1
  304 10:55:09.921207  - {PRESEED_CONFIG}: None
  305 10:55:09.921281  - {PRESEED_LOCAL}: None
  306 10:55:09.921354  - {RAMDISK_ADDR}: 0x14000000
  307 10:55:09.921427  - {RAMDISK}: 8138416/tftp-deploy-wk2o7r1i/ramdisk/ramdisk.cpio.gz.uboot
  308 10:55:09.921501  - {ROOT_PART}: None
  309 10:55:09.921574  - {ROOT}: None
  310 10:55:09.921647  - {SERVER_IP}: 192.168.201.1
  311 10:55:09.921720  - {TEE_ADDR}: 0x83000000
  312 10:55:09.921793  - {TEE}: None
  313 10:55:09.921867  Parsed boot commands:
  314 10:55:09.921938  - setenv autoload no
  315 10:55:09.922011  - setenv initrd_high 0xffffffff
  316 10:55:09.922083  - setenv fdt_high 0xffffffff
  317 10:55:09.922155  - dhcp
  318 10:55:09.922227  - setenv serverip 192.168.201.1
  319 10:55:09.922298  - tftp 0x10000000 8138416/tftp-deploy-wk2o7r1i/kernel/zImage
  320 10:55:09.922370  - tftp 0x14000000 8138416/tftp-deploy-wk2o7r1i/ramdisk/ramdisk.cpio.gz.uboot
  321 10:55:09.922443  - setenv initrd_size ${filesize}
  322 10:55:09.922515  - tftp 0x13f00000 8138416/tftp-deploy-wk2o7r1i/dtb/imx6q-sabrelite.dtb
  323 10:55:09.922588  - setenv bootargs 'console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/8138416/extract-nfsrootfs-knpv73x2,tcp,hard  ip=dhcp'
  324 10:55:09.922663  - bootz 0x10000000 0x14000000 0x13f00000
  325 10:55:09.922764  end: 2.2 bootloader-overlay (duration 00:00:00) [common]
  327 10:55:09.923024  start: 2.3 connect-device (timeout 00:05:00) [common]
  328 10:55:09.923109  [common] connect-device Connecting to device using '/usr/bin/console -f -M localhost imx6q-sabrelite-lava-cbg-4'
  329 10:55:09.925817  Setting prompt string to ['lava-test: # ']
  330 10:55:09.926104  end: 2.3 connect-device (duration 00:00:00) [common]
  331 10:55:09.926224  start: 2.4 uboot-commands (timeout 00:05:00) [common]
  332 10:55:09.926337  start: 2.4.1 reset-device (timeout 00:05:00) [common]
  333 10:55:09.926442  start: 2.4.1.1 pdu-reboot (timeout 00:05:00) [common]
  334 10:55:09.926616  Calling: 'nice' 'pduclient' '--daemon=localhost' '--hostname=eth8020-0' '--port=2' '--command=reboot'
  335 10:55:09.944985  >> Command sent successfully.

  336 10:55:09.946773  Returned 0 in 0 seconds
  337 10:55:10.048091  end: 2.4.1.1 pdu-reboot (duration 00:00:00) [common]
  339 10:55:10.049617  end: 2.4.1 reset-device (duration 00:00:00) [common]
  340 10:55:10.050157  start: 2.4.2 bootloader-interrupt (timeout 00:05:00) [common]
  341 10:55:10.050628  Setting prompt string to ['Hit any key to stop autoboot']
  342 10:55:10.051036  bootloader-interrupt: Wait for prompt ['Hit any key to stop autoboot'] (timeout 00:05:00)
  343 10:55:10.052247  [Enter `^Ec?' for help]
  344 10:55:17.615657  
  345 10:55:17.616235  
  346 10:55:17.616729  U-Boot 2021.10+dfsg-1+apertis10bv2023dev2b2 (Apr 18 2022 - 16:34:49 +0000)
  347 10:55:17.617164  
  348 10:55:17.617591  CPU:   Freescale i.MX6Q rev1.2 at 792 MHz
  349 10:55:17.618001  Reset cause: POR
  350 10:55:17.618402  Model: Freescale i.MX6 Quad SABRE Lite Board
  351 10:55:17.618798  Board: SABRE Lite
  352 10:55:17.619189  I2C:   ready
  353 10:55:17.619581  DRAM:  1 GiB
  354 10:55:17.663645  MMC:   FSL_SDHC: 0, FSL_SDHC: 1
  355 10:55:17.711493  Loading Environment from SPIFlash... SF: Detected gd25q16 with page size 256 Bytes, erase size 4 KiB, total 2 MiB
  356 10:55:17.712081  *** Warning - bad CRC, using default environment
  357 10:55:17.712554  
  358 10:55:17.713022  In:    serial
  359 10:55:17.713437  Out:   serial
  360 10:55:17.713846  Err:   serial
  361 10:55:17.714243  Net:   using phy at 7
  362 10:55:17.732462  FEC [PRIME], usb_ether
  363 10:55:17.733047  Error: usb_ether address not set.
  364 10:55:17.733508  
  365 10:55:17.733935  starting USB...
  366 10:55:17.734351  Bus usb@2184000: usb dr_mode not found
  367 10:55:17.780307  Bus usb@2184200: USB EHCI 1.00
  368 10:55:20.813704  scanning bus usb@2184000 for devices... 1 USB Device(s) found
  369 10:55:25.973615  scanning bus usb@2184200 for devices... 2 USB Device(s) found
  370 10:55:25.974177         scanning usb for storage devices... 0 Storage Device(s) found
  371 10:55:25.974720         scanning usb for ethernet devices... 0 Ethernet Device(s) found
  372 10:55:27.618051  Couldn't find partition mmc 0:1
  373 10:55:27.618630  Error selecting device
  374 10:55:27.649576  File System is consistent
  375 10:55:27.697708  file found, deleting
  376 10:55:27.921274  File System is consistent
  378 10:55:28.100214  Hit any key to stop autoboot:  3 
  379 10:55:28.101097  end: 2.4.2 bootloader-interrupt (duration 00:00:18) [common]
  380 10:55:28.101716  start: 2.4.3 bootloader-commands (timeout 00:04:42) [common]
  381 10:55:28.102195  Setting prompt string to ['=>']
  382 10:55:28.102672  bootloader-commands: Wait for prompt ['=>'] (timeout 00:04:42)
  383 10:55:28.112857   0 
  384 10:55:28.113903  Setting prompt string to ['=>', 'Resetting CPU', 'Must RESET board to recover', 'TIMEOUT', 'Retry count exceeded', 'Retry time exceeded; starting again', 'ERROR: The remote end did not respond in time.', 'File not found', 'Bad Linux ARM64 Image magic!', 'Wrong Ramdisk Image Format', 'Ramdisk image is corrupt or invalid', 'ERROR: Failed to allocate', 'TFTP error: trying to overwrite reserved memory', 'Bad Linux RISCV Image magic!', 'Wrong Image Format for boot', 'ERROR: Did not find a cmdline Flattened Device Tree', 'ERROR: RD image overlaps OS image']
  385 10:55:28.114365  Sending with 10 millisecond of delay
  387 10:55:29.261570  => setenv autoload no
  388 10:55:29.272632  bootloader-commands: Wait for prompt ['=>', 'Resetting CPU', 'Must RESET board to recover', 'TIMEOUT', 'Retry count exceeded', 'Retry time exceeded; starting again', 'ERROR: The remote end did not respond in time.', 'File not found', 'Bad Linux ARM64 Image magic!', 'Wrong Ramdisk Image Format', 'Ramdisk image is corrupt or invalid', 'ERROR: Failed to allocate', 'TFTP error: trying to overwrite reserved memory', 'Bad Linux RISCV Image magic!', 'Wrong Image Format for boot', 'ERROR: Did not find a cmdline Flattened Device Tree', 'ERROR: RD image overlaps OS image'] (timeout 00:04:41)
  389 10:55:29.277965  setenv autoload no
  390 10:55:29.278671  Sending with 10 millisecond of delay
  392 10:55:31.095350  => setenv initrd_high 0xffffffff
  393 10:55:31.106272  bootloader-commands: Wait for prompt ['=>', 'Resetting CPU', 'Must RESET board to recover', 'TIMEOUT', 'Retry count exceeded', 'Retry time exceeded; starting again', 'ERROR: The remote end did not respond in time.', 'File not found', 'Bad Linux ARM64 Image magic!', 'Wrong Ramdisk Image Format', 'Ramdisk image is corrupt or invalid', 'ERROR: Failed to allocate', 'TFTP error: trying to overwrite reserved memory', 'Bad Linux RISCV Image magic!', 'Wrong Image Format for boot', 'ERROR: Did not find a cmdline Flattened Device Tree', 'ERROR: RD image overlaps OS image'] (timeout 00:04:39)
  394 10:55:31.106550  setenv initrd_high 0xffffffff
  395 10:55:31.106805  Sending with 10 millisecond of delay
  397 10:55:32.741041  => setenv fdt_high 0xffffffff
  398 10:55:32.751990  bootloader-commands: Wait for prompt ['=>', 'Resetting CPU', 'Must RESET board to recover', 'TIMEOUT', 'Retry count exceeded', 'Retry time exceeded; starting again', 'ERROR: The remote end did not respond in time.', 'File not found', 'Bad Linux ARM64 Image magic!', 'Wrong Ramdisk Image Format', 'Ramdisk image is corrupt or invalid', 'ERROR: Failed to allocate', 'TFTP error: trying to overwrite reserved memory', 'Bad Linux RISCV Image magic!', 'Wrong Image Format for boot', 'ERROR: Did not find a cmdline Flattened Device Tree', 'ERROR: RD image overlaps OS image'] (timeout 00:04:37)
  399 10:55:32.758765  setenv fdt_high 0xffffffff
  400 10:55:32.759593  Sending with 10 millisecond of delay
  402 10:55:33.053925  => dhcp
  403 10:55:33.064879  bootloader-commands: Wait for prompt ['=>', 'Resetting CPU', 'Must RESET board to recover', 'TIMEOUT', 'Retry count exceeded', 'Retry time exceeded; starting again', 'ERROR: The remote end did not respond in time.', 'File not found', 'Bad Linux ARM64 Image magic!', 'Wrong Ramdisk Image Format', 'Ramdisk image is corrupt or invalid', 'ERROR: Failed to allocate', 'TFTP error: trying to overwrite reserved memory', 'Bad Linux RISCV Image magic!', 'Wrong Image Format for boot', 'ERROR: Did not find a cmdline Flattened Device Tree', 'ERROR: RD image overlaps OS image'] (timeout 00:04:37)
  404 10:55:33.065889  dhcp
  405 10:55:33.179864  BOOTP broadcast 1
  406 10:55:33.180446  DHCP client bound to address 192.168.201.34 (3 ms)
  407 10:55:33.181214  Sending with 10 millisecond of delay
  409 10:55:34.998666  => setenv serverip 192.168.201.1
  410 10:55:35.009672  bootloader-commands: Wait for prompt ['=>', 'Resetting CPU', 'Must RESET board to recover', 'TIMEOUT', 'Retry count exceeded', 'Retry time exceeded; starting again', 'ERROR: The remote end did not respond in time.', 'File not found', 'Bad Linux ARM64 Image magic!', 'Wrong Ramdisk Image Format', 'Ramdisk image is corrupt or invalid', 'ERROR: Failed to allocate', 'TFTP error: trying to overwrite reserved memory', 'Bad Linux RISCV Image magic!', 'Wrong Image Format for boot', 'ERROR: Did not find a cmdline Flattened Device Tree', 'ERROR: RD image overlaps OS image'] (timeout 00:04:35)
  411 10:55:35.016059  setenv serverip 192.168.201.1
  412 10:55:35.016897  Sending with 10 millisecond of delay
  414 10:55:38.588176  => tftp 0x10000000 8138416/tftp-deploy-wk2o7r1i/kernel/zImage
  415 10:55:38.599052  bootloader-commands: Wait for prompt ['=>', 'Resetting CPU', 'Must RESET board to recover', 'TIMEOUT', 'Retry count exceeded', 'Retry time exceeded; starting again', 'ERROR: The remote end did not respond in time.', 'File not found', 'Bad Linux ARM64 Image magic!', 'Wrong Ramdisk Image Format', 'Ramdisk image is corrupt or invalid', 'ERROR: Failed to allocate', 'TFTP error: trying to overwrite reserved memory', 'Bad Linux RISCV Image magic!', 'Wrong Image Format for boot', 'ERROR: Did not find a cmdline Flattened Device Tree', 'ERROR: RD image overlaps OS image'] (timeout 00:04:31)
  416 10:55:38.599951  tftp 0x10000000 8138416/tftp-deploy-wk2o7r1i/kernel/zImage
  417 10:55:38.716255  Using FEC device
  418 10:55:38.716417  TFTP from server 192.168.201.1; our IP address is 192.168.201.34
  419 10:55:38.716515  Filename '8138416/tftp-deploy-wk2o7r1i/kernel/zImage'.
  420 10:55:38.716598  Load address: 0x10000000
  421 10:55:38.795877  Loading: *#################################################################
  422 10:55:38.891727  	 #################################################################
  423 10:55:38.971535  	 #################################################################
  424 10:55:39.051414  	 #################################################################
  425 10:55:39.131247  	 #################################################################
  426 10:55:39.227058  	 #################################################################
  427 10:55:39.306925  	 #################################################################
  428 10:55:39.386735  	 #################################################################
  429 10:55:39.466584  	 #################################################################
  430 10:55:39.546437  	 #################################################################
  431 10:55:39.626287  	 #################################################################
  432 10:55:39.722059  	 #################################################################
  433 10:55:39.813387  	 #################################################################
  434 10:55:39.813908  	 ###
  435 10:55:39.814340  	 10.9 MiB/s
  436 10:55:39.814743  done
  437 10:55:39.815128  Bytes transferred = 12448256 (bdf200 hex)
  438 10:55:39.815798  Sending with 10 millisecond of delay
  440 10:55:44.360166  => tftp 0x14000000 8138416/tftp-deploy-wk2o7r1i/ramdisk/ramdisk.cpio.gz.uboot
  441 10:55:44.371170  bootloader-commands: Wait for prompt ['=>', 'Resetting CPU', 'Must RESET board to recover', 'TIMEOUT', 'Retry count exceeded', 'Retry time exceeded; starting again', 'ERROR: The remote end did not respond in time.', 'File not found', 'Bad Linux ARM64 Image magic!', 'Wrong Ramdisk Image Format', 'Ramdisk image is corrupt or invalid', 'ERROR: Failed to allocate', 'TFTP error: trying to overwrite reserved memory', 'Bad Linux RISCV Image magic!', 'Wrong Image Format for boot', 'ERROR: Did not find a cmdline Flattened Device Tree', 'ERROR: RD image overlaps OS image'] (timeout 00:04:26)
  442 10:55:44.372075  tftp 0x14000000 8138416/tftp-deploy-wk2o7r1i/ramdisk/ramdisk.cpio.gz.uboot
  443 10:55:44.494221  Using FEC device
  444 10:55:44.494385  TFTP from server 192.168.201.1; our IP address is 192.168.201.34
  445 10:55:44.494481  Filename '8138416/tftp-deploy-wk2o7r1i/ramdisk/ramdisk.cpio.gz.uboot'.
  446 10:55:44.494563  Load address: 0x14000000
  447 10:55:44.573930  Loading: *#################################################################
  448 10:55:44.653771  	 #################################################################
  449 10:55:44.733617  	 #################################################################
  450 10:55:44.797458  	 #################################################################
  451 10:55:44.877269  	 #################################################################
  452 10:55:44.957113  	 #################################################################
  453 10:55:45.036994  	 #################################################################
  454 10:55:45.116777  	 #################################################################
  455 10:55:45.180636  	 #################################################################
  456 10:55:45.260443  	 #################################################################
  457 10:55:45.340321  	 #################################################################
  458 10:55:45.420119  	 #################################################################
  459 10:55:45.499937  	 #################################################################
  460 10:55:45.563823  	 #################################################################
  461 10:55:45.643680  	 #################################################################
  462 10:55:45.736084  	 #################################################################
  463 10:55:45.736648  	 #
  464 10:55:45.737173  	 11.8 MiB/s
  465 10:55:45.737603  done
  466 10:55:45.738017  Bytes transferred = 15271718 (e90726 hex)
  467 10:55:45.738727  Sending with 10 millisecond of delay
  469 10:55:47.615780  => setenv initrd_size ${filesize}
  470 10:55:47.626719  bootloader-commands: Wait for prompt ['=>', 'Resetting CPU', 'Must RESET board to recover', 'TIMEOUT', 'Retry count exceeded', 'Retry time exceeded; starting again', 'ERROR: The remote end did not respond in time.', 'File not found', 'Bad Linux ARM64 Image magic!', 'Wrong Ramdisk Image Format', 'Ramdisk image is corrupt or invalid', 'ERROR: Failed to allocate', 'TFTP error: trying to overwrite reserved memory', 'Bad Linux RISCV Image magic!', 'Wrong Image Format for boot', 'ERROR: Did not find a cmdline Flattened Device Tree', 'ERROR: RD image overlaps OS image'] (timeout 00:04:22)
  471 10:55:47.627729  setenv initrd_size ${filesize}
  472 10:55:47.628380  Sending with 10 millisecond of delay
  474 10:55:51.815751  => tftp 0x13f00000 8138416/tftp-deploy-wk2o7r1i/dtb/imx6q-sabrelite.dtb
  475 10:55:51.826699  bootloader-commands: Wait for prompt ['=>', 'Resetting CPU', 'Must RESET board to recover', 'TIMEOUT', 'Retry count exceeded', 'Retry time exceeded; starting again', 'ERROR: The remote end did not respond in time.', 'File not found', 'Bad Linux ARM64 Image magic!', 'Wrong Ramdisk Image Format', 'Ramdisk image is corrupt or invalid', 'ERROR: Failed to allocate', 'TFTP error: trying to overwrite reserved memory', 'Bad Linux RISCV Image magic!', 'Wrong Image Format for boot', 'ERROR: Did not find a cmdline Flattened Device Tree', 'ERROR: RD image overlaps OS image'] (timeout 00:04:18)
  476 10:55:51.827595  tftp 0x13f00000 8138416/tftp-deploy-wk2o7r1i/dtb/imx6q-sabrelite.dtb
  477 10:55:51.965108  Using FEC device
  478 10:55:51.965613  TFTP from server 192.168.201.1; our IP address is 192.168.201.34
  479 10:55:51.965942  Filename '8138416/tftp-deploy-wk2o7r1i/dtb/imx6q-sabrelite.dtb'.
  480 10:55:51.966245  Load address: 0x13f00000
  481 10:55:51.966533  Loading: *###
  482 10:55:51.966815  	 5.1 MiB/s
  483 10:55:51.967090  done
  484 10:55:51.967359  Bytes transferred = 42449 (a5d1 hex)
  485 10:55:51.967883  Sending with 10 millisecond of delay
  487 10:56:01.939834  => setenv bootargs 'console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/8138416/extract-nfsrootfs-knpv73x2,tcp,hard  ip=dhcp'
  488 10:56:01.950650  bootloader-commands: Wait for prompt ['=>', 'Resetting CPU', 'Must RESET board to recover', 'TIMEOUT', 'Retry count exceeded', 'Retry time exceeded; starting again', 'ERROR: The remote end did not respond in time.', 'File not found', 'Bad Linux ARM64 Image magic!', 'Wrong Ramdisk Image Format', 'Ramdisk image is corrupt or invalid', 'ERROR: Failed to allocate', 'TFTP error: trying to overwrite reserved memory', 'Bad Linux RISCV Image magic!', 'Wrong Image Format for boot', 'ERROR: Did not find a cmdline Flattened Device Tree', 'ERROR: RD image overlaps OS image'] (timeout 00:04:08)
  489 10:56:01.951557  setenv bootargs 'console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/8138416/extract-nfsrootfs-knpv73x2,tcp,hard  ip=dhcp'
  490 10:56:01.952197  Sending with 10 millisecond of delay
  492 10:56:04.317318  => bootz 0x10000000 0x14000000 0x13f00000
  493 10:56:04.328222  Setting prompt string to 'Starting kernel'
  494 10:56:04.328810  Setting prompt string to ['Starting kernel']
  495 10:56:04.329185  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']
  496 10:56:04.329568  bootloader-commands: Wait for prompt ['Starting kernel', 'Resetting CPU', 'Must RESET board to recover', 'TIMEOUT', 'Retry count exceeded', 'Retry time exceeded; starting again', 'ERROR: The remote end did not respond in time.', 'File not found', 'Bad Linux ARM64 Image magic!', 'Wrong Ramdisk Image Format', 'Ramdisk image is corrupt or invalid', 'ERROR: Failed to allocate', 'TFTP error: trying to overwrite reserved memory', 'Bad Linux RISCV Image magic!', 'Wrong Image Format for boot', 'ERROR: Did not find a cmdline Flattened Device Tree', 'ERROR: RD image overlaps OS image'] (timeout 00:04:06)
  497 10:56:04.330489  bootz 0x10000000 0x14000000 0x13f00000
  498 10:56:04.359395  Kernel image @ 0x10000000 [ 0x000000 - 0xbdf200 ]
  499 10:56:04.359941  ## Loading init Ramdisk from Legacy Image at 14000000 ...
  500 10:56:04.360284     Image Name:   
  501 10:56:04.360598     Image Type:   ARM Linux RAMDisk Image (uncompressed)
  502 10:56:04.360949     Data Size:    15271654 Bytes = 14.6 MiB
  503 10:56:04.361249     Load Address: 00000000
  504 10:56:04.361540     Entry Point:  00000000
  505 10:56:04.549012     Verifying Checksum ... OK
  506 10:56:04.549549  ## Flattened Device Tree blob at 13f00000
  507 10:56:04.549904     Booting using the fdt blob at 0x13f00000
  508 10:56:04.550229     Using Device Tree in place at 13f00000, end 13f0d5d0
  509 10:56:04.550541  
  510 10:56:04.550849  Starting kernel ...
  511 10:56:04.551145  
  512 10:56:04.551875  end: 2.4.3 bootloader-commands (duration 00:00:36) [common]
  513 10:56:04.552346  start: 2.4.4 auto-login-action (timeout 00:04:05) [common]
  514 10:56:04.552742  Setting prompt string to ['Linux version [0-9]']
  515 10:56:04.553104  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']
  516 10:56:04.553470  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)
  517 10:56:13.198637  [    0.000000] Booting Linux on physical CPU 0x0
  518 10:56:13.199198  [    0.000000] Linux version 5.10.155-cip21 (KernelCI@build-j588776-arm-gcc-10-multi-v7-defconfig-kselftest-x89h9) (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 Nov 26 10:42:54 UTC 2022
  519 10:56:13.199576  [    0.000000] CPU: ARMv7 Processor [412fc09a] revision 10 (ARMv7), cr=10c5387d
  520 10:56:13.199907  [    0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache
  521 10:56:13.200703  start: 2.4.4.1 login-action (timeout 00:03:57) [common]
  522 10:56:13.201131  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.
  523 10:56:13.201562  Setting prompt string to ['-+\\[ cut here \\]-+\\s+(.*\\s+-+\\[ end trace (\\w*) \\]-+)', '(Unhandled fault.*)\\r\\n', 'Kernel panic - (.*) end Kernel panic', 'Stack:\\s+(.*\\s+-+\\[ end trace (\\w*) \\]-+)', '^[^\\n]+WARNING:.*?$', '^[^\\n]+Oops(?: -|:).*?$', '^[^\\n]+BUG:.*?$']
  524 10:56:13.201957  Using line separator: #'\n'#
  525 10:56:13.202279  No login prompt set.
  526 10:56:13.202606  Parsing kernel messages
  527 10:56:13.202911  ['-+\\[ cut here \\]-+\\s+(.*\\s+-+\\[ end trace (\\w*) \\]-+)', '(Unhandled fault.*)\\r\\n', 'Kernel panic - (.*) end Kernel panic', 'Stack:\\s+(.*\\s+-+\\[ end trace (\\w*) \\]-+)', '^[^\\n]+WARNING:.*?$', '^[^\\n]+Oops(?: -|:).*?$', '^[^\\n]+BUG:.*?$', '/ #', 'Login timed out', 'Login incorrect']
  528 10:56:13.203436  [login-action] Waiting for messages, (timeout 00:03:57)
  529 10:56:13.241977  [    0.000000] OF: fdt: Machine model: Freescale i.MX6 Quad SABRE Lite Board
  530 10:56:13.242195  [    0.000000] Memory policy: Data cache writealloc
  531 10:56:13.242301  [    0.000000] efi: UEFI not found.
  532 10:56:13.242395  [    0.000000] OF: fdt: Reserved memory: unsupported node format, ignoring
  533 10:56:13.242486  [    0.000000] cma: Reserved 64 MiB at 0x4c000000
  534 10:56:13.242577  [    0.000000] Zone ranges:
  535 10:56:13.242665  [    0.000000]   DMA      [mem 0x0000000010000000-0x000000003fffffff]
  536 10:56:13.242750  [    0.000000]   Normal   empty
  537 10:56:13.242829  [    0.000000]   HighMem  [mem 0x0000000040000000-0x000000004fffffff]
  538 10:56:13.285625  [    0.000000] Movable zone start for each node
  539 10:56:13.286131  [    0.000000] Early memory node ranges
  540 10:56:13.286455  [    0.000000]   node   0: [mem 0x0000000010000000-0x000000004fffffff]
  541 10:56:13.286755  [    0.000000] Initmem setup node 0 [mem 0x0000000010000000-0x000000004fffffff]
  542 10:56:13.287042  [    0.000000] percpu: Embedded 21 pages/cpu s55468 r8192 d22356 u86016
  543 10:56:13.287319  [    0.000000] Built 1 zonelists, mobility grouping on.  Total pages: 260608
  544 10:56:13.329601  [    0.000000] Kernel command line: console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/8138416/extract-nfsrootfs-knpv73x2,tcp,hard  ip=dhcp
  545 10:56:13.330161  [    0.000000] Dentry cache hash table entries: 131072 (order: 7, 524288 bytes, linear)
  546 10:56:13.330515  [    0.000000] Inode-cache hash table entries: 65536 (order: 6, 262144 bytes, linear)
  547 10:56:13.330841  [    0.000000] mem auto-init: stack:off, heap alloc:off, heap free:off
  548 10:56:13.331153  [    0.000000] Memory: 921604K/1048576K available (17408K kernel code, 2654K rwdata, 8120K rodata, 2048K init, 6693K bss, 61436K reserved, 65536K cma-reserved, 196608K highmem)
  549 10:56:13.373139  [    0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1
  550 10:56:13.373676  [    0.000000] ftrace: allocating 56055 entries in 165 pages
  551 10:56:13.374027  [    0.000000] ftrace: allocated 165 pages with 4 groups
  552 10:56:13.374353  [    0.000000] Running RCU self tests
  553 10:56:13.374667  [    0.000000] rcu: Hierarchical RCU implementation.
  554 10:56:13.374973  [    0.000000] rcu: 	RCU event tracing is enabled.
  555 10:56:13.375271  [    0.000000] rcu: 	RCU lockdep checking is enabled.
  556 10:56:13.375563  [    0.000000] rcu: 	RCU restricting CPUs from NR_CPUS=16 to nr_cpu_ids=4.
  557 10:56:13.416696  [    0.000000] 	Rude variant of Tasks RCU enabled.
  558 10:56:13.417198  [    0.000000] 	Tracing variant of Tasks RCU enabled.
  559 10:56:13.417521  [    0.000000] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies.
  560 10:56:13.417821  [    0.000000] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4
  561 10:56:13.418113  [    0.000000] NR_IRQS: 16, nr_irqs: 16, preallocated irqs: 16
  562 10:56:13.418402  [    0.000000] L2C-310 errata 752271 769419 enabled
  563 10:56:13.418678  [    0.000000] L2C-310 enabling early BRESP for Cortex-A9
  564 10:56:13.418948  [    0.000000] L2C-310 full line of zeros enabled for Cortex-A9
  565 10:56:13.460267  [    0.000000] L2C-310 ID prefetch enabled, offset 16 lines
  566 10:56:13.460816  [    0.000000] L2C-310 dynamic clock gating enabled, standby mode enabled
  567 10:56:13.461173  [    0.000000] L2C-310 cache controller enabled, 16 ways, 1024 kB
  568 10:56:13.461501  [    0.000000] L2C-310: CACHE_ID 0x410000c7, AUX_CTRL 0x76470001
  569 10:56:13.461823  [    0.000000] Switching to timer-based delay loop, resolution 333ns
  570 10:56:13.462106  [    0.000010] sched_clock: 32 bits at 3000kHz, resolution 333ns, wraps every 715827882841ns
  571 10:56:13.503727  [    0.000043] clocksource: mxc_timer1: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 637086815595 ns
  572 10:56:13.504233  [    0.004472] Console: colour dummy device 80x30
  573 10:56:13.504552  [    0.004537] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar
  574 10:56:13.504882  [    0.004566] ... MAX_LOCKDEP_SUBCLASSES:  8
  575 10:56:13.505172  [    0.004593] ... MAX_LOCK_DEPTH:          48
  576 10:56:13.505451  [    0.004620] ... MAX_LOCKDEP_KEYS:        8192
  577 10:56:13.505721  [    0.004645] ... CLASSHASH_SIZE:          4096
  578 10:56:13.505989  [    0.004671] ... MAX_LOCKDEP_ENTRIES:     32768
  579 10:56:13.506255  [    0.004697] ... MAX_LOCKDEP_CHAINS:      65536
  580 10:56:13.547404  [    0.004724] ... CHAINHASH_SIZE:          32768
  581 10:56:13.547909  [    0.004749]  memory used by lock dependency info: 4061 kB
  582 10:56:13.548232  [    0.004776]  memory used for stack traces: 2112 kB
  583 10:56:13.548529  [    0.004801]  per task-struct memory footprint: 1536 bytes
  584 10:56:13.548864  [    0.004902] Calibrating delay loop (skipped), value calculated using timer frequency.. 6.00 BogoMIPS (lpj=30000)
  585 10:56:13.549158  [    0.004954] pid_max: default: 32768 minimum: 301
  586 10:56:13.549435  [    0.005335] LSM: Security Framework initializing
  587 10:56:13.549705  [    0.005446] LSM support for eBPF active
  588 10:56:13.590977  [    0.005594] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes, linear)
  589 10:56:13.591521  [    0.005647] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes, linear)
  590 10:56:13.591875  [    0.008219] CPU: Testing write buffer coherency: ok
  591 10:56:13.592200  [    0.008339] CPU0: Spectre v2: using BPIALL workaround
  592 10:56:13.592512  [    0.009440] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000
  593 10:56:13.592844  [    0.013346] Setting up static identity map for 0x10300000 - 0x103000ac
  594 10:56:13.593143  [    0.015798] rcu: Hierarchical SRCU implementation.
  595 10:56:13.593439  [    0.025463] EFI services will not be available.
  596 10:56:13.634499  [    0.026773] smp: Bringing up secondary CPUs ...
  597 10:56:13.635021  [    0.030134] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001
  598 10:56:13.635374  [    0.030150] CPU1: Spectre v2: using BPIALL workaround
  599 10:56:13.635697  [    0.034197] CPU2: thread -1, cpu 2, socket 0, mpidr 80000002
  600 10:56:13.636007  [    0.034211] CPU2: Spectre v2: using BPIALL workaround
  601 10:56:13.636312  [    0.037886] CPU3: thread -1, cpu 3, socket 0, mpidr 80000003
  602 10:56:13.636609  [    0.037901] CPU3: Spectre v2: using BPIALL workaround
  603 10:56:13.636941  [    0.038782] smp: Brought up 1 node, 4 CPUs
  604 10:56:13.677841  [    0.038827] SMP: Total of 4 processors activated (24.00 BogoMIPS).
  605 10:56:13.678403  [    0.039021] CPU: All CPU(s) started in SVC mode.
  606 10:56:13.678757  [    0.041779] devtmpfs: initialized
  607 10:56:13.679083  [    0.099414] VFP support v0.3: implementor 41 architecture 3 part 30 variant 9 rev 4
  608 10:56:13.679400  [    0.102082] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
  609 10:56:13.679708  [    0.102156] futex hash table entries: 1024 (order: 4, 65536 bytes, linear)
  610 10:56:13.680005  [    0.106919] pinctrl core: initialized pinctrl subsystem
  611 10:56:13.721688  [    0.113933] DMI not present or invalid.
  612 10:56:13.722222  [    0.116245] NET: Registered protocol family 16
  613 10:56:13.722577  [    0.127886] DMA: preallocated 256 KiB pool for atomic coherent allocations
  614 10:56:13.722904  [    0.137529] thermal_sys: Registered thermal governor 'step_wise'
  615 10:56:13.723218  [    0.138086] cpuidle: using governor menu
  616 10:56:13.723521  [    0.138618] CPU identified as i.MX6Q, silicon rev 1.2
  617 10:56:13.723819  [    0.894445] vdd1p1: supplied by regulator-dummy
  618 10:56:13.724110  [    0.926665] vdd3p0: supplied by regulator-dummy
  619 10:56:13.724399  [    0.958397] vdd2p5: supplied by regulator-dummy
  620 10:56:13.765138  [    0.990313] vddarm: supplied by regulator-dummy
  621 10:56:13.765672  [    1.023020] vddpu: supplied by regulator-dummy
  622 10:56:13.766022  [    1.053799] vddsoc: supplied by regulator-dummy
  623 10:56:13.766348  [    2.403576] No ATAGs?
  624 10:56:13.766657  [    2.404499] hw-breakpoint: found 5 (+1 reserved) breakpoint and 1 watchpoint registers.
  625 10:56:13.766964  [    2.404583] hw-breakpoint: maximum watchpoint size is 4 bytes.
  626 10:56:13.767267  [    2.424643] imx6q-pinctrl 20e0000.pinctrl: initialized IMX pinctrl driver
  627 10:56:13.767566  [    2.454123] Serial: AMBA PL011 UART driver
  628 10:56:13.767859  [    2.519870] Kprobes globally optimized
  629 10:56:13.808835  [    2.639708] iommu: Default domain type: Translated 
  630 10:56:13.809373  [    2.641844] vgaarb: loaded
  631 10:56:13.809726  [    2.646820] SCSI subsystem initialized
  632 10:56:13.810052  [    2.649013] usbcore: registered new interface driver usbfs
  633 10:56:13.810370  [    2.649321] usbcore: registered new interface driver hub
  634 10:56:13.810675  [    2.649564] usbcore: registered new device driver usb
  635 10:56:13.810973  [    2.657281] i2c i2c-0: IMX I2C adapter registered
  636 10:56:13.811270  [    2.664511] i2c i2c-1: IMX I2C adapter registered
  637 10:56:13.811559  [    2.669112] i2c i2c-2: IMX I2C adapter registered
  638 10:56:13.852579  [    2.673714] pps_core: LinuxPPS API ver. 1 registered
  639 10:56:13.853138  [    2.673757] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@linux.it>
  640 10:56:13.853497  [    2.673856] PTP clock support registered
  641 10:56:13.853825  [    2.691942] clocksource: Switched to clocksource mxc_timer1
  642 10:56:13.854139  [    4.445856] NET: Registered protocol family 2
  643 10:56:13.854446  [    4.446694] IP idents hash table entries: 16384 (order: 5, 131072 bytes, linear)
  644 10:56:13.854748  [    4.450819] tcp_listen_portaddr_hash hash table entries: 512 (order: 2, 22528 bytes, linear)
  645 10:56:13.895977  [    4.451002] TCP established hash table entries: 8192 (order: 3, 32768 bytes, linear)
  646 10:56:13.896520  [    4.451236] TCP bind hash table entries: 8192 (order: 6, 327680 bytes, linear)
  647 10:56:13.896901  [    4.452784] TCP: Hash tables configured (established 8192 bind 8192)
  648 10:56:13.897231  [    4.453836] MPTCP token hash table entries: 1024 (order: 3, 49152 bytes, linear)
  649 10:56:13.897544  [    4.454185] UDP hash table entries: 512 (order: 3, 49152 bytes, linear)
  650 10:56:13.897850  [    4.454445] UDP-Lite hash table entries: 512 (order: 3, 49152 bytes, linear)
  651 10:56:13.939585  [    4.455205] NET: Registered protocol family 1
  652 10:56:13.940124  [    4.458069] RPC: Registered named UNIX socket transport module.
  653 10:56:13.940482  [    4.458159] RPC: Registered udp transport module.
  654 10:56:13.940833  [    4.458201] RPC: Registered tcp transport module.
  655 10:56:13.941147  [    4.458238] RPC: Registered tcp NFSv4.1 backchannel transport module.
  656 10:56:13.941452  [    4.458293] NET: Registered protocol family 44
  657 10:56:13.941748  [    4.458358] PCI: CLS 0 bytes, default 64
  658 10:56:13.942037  [    4.460964] Trying to unpack rootfs image as initramfs...
  659 10:56:13.942328  [    6.332274] Freeing initrd memory: 14916K
  660 10:56:13.983067  [    6.333501] hw perfevents: no interrupt-affinity property for /pmu, guessing.
  661 10:56:13.983607  [    6.334815] hw perfevents: enabled with armv7_cortex_a9 PMU driver, 7 counters available
  662 10:56:13.983959  [    6.344064] Initialise system trusted keyrings
  663 10:56:13.984282  [    6.345515] workingset: timestamp_bits=30 max_order=18 bucket_order=0
  664 10:56:13.984595  [    6.397477] squashfs: version 4.0 (2009/01/31) Phillip Lougher
  665 10:56:13.984936  [    6.402274] NFS: Registering the id_resolver key type
  666 10:56:13.985237  [    6.402475] Key type id_resolver registered
  667 10:56:13.985528  [    6.402570] Key type id_legacy registered
  668 10:56:14.026688  
  669 10:56:14.027190  [    6.403243] nfs4filelayout_init: NFSv4 File Layout Driver Registering...
  670 10:56:14.027514  [    6.403348] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering...
  671 10:56:14.027815  [    6.403539] ntfs: driver 2.1.32 [Flags: R/O].
  672 10:56:14.028106  [    6.405764] Key type asymmetric registered
  673 10:56:14.028386  [    6.405890] Asymmetric key parser 'x509' registered
  674 10:56:14.028678  [    6.406334] bounce: pool size: 64 pages
  675 10:56:14.028956  [    6.406504] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 247)
  676 10:56:14.029230  [    6.406608] io scheduler mq-deadline registered
  677 10:56:14.070142  
  678 10:56:14.070647  [    6.406648] io scheduler kyber registered
  679 10:56:14.070975  [    6.407595] test_firmware: interface ready
  680 10:56:14.071273  [    6.589644] mxs-dma 110000.dma-apbh: initialized
  681 10:56:14.071562  [    6.655582] imx-sdma 20ec000.sdma: Direct firmware load for imx/sdma/sdma-imx6q.bin failed with error -2
  682 10:56:14.071848  [    6.655836] imx-sdma 20ec000.sdma: external firmware not found, using ROM firmware
  683 10:56:14.072126  [    6.915627] Serial: 8250/16550 driver, 5 ports, IRQ sharing enabled
  684 10:56:14.072397  [    6.936830] SuperH (H)SCI(F) driver initialized
  685 10:56:14.121172  [    6.939851] 2020000.serial: ttymxc0 at MMIO 0x2020000 (irq = 34, base_baud = 5000000) is a IMX
  686 10:56:14.121721  [    6.945221] 21e8000.serial: ttymxc1 at MMIO 0x21e8000 (irq = 81, base_baud = 5000000) is a IMX
  687 10:56:14.122075  [    7.877701] printk: console [ttymxc1] enabled
  688 10:56:14.122401  [    7.888754] msm_serial: driver initialized
  689 10:56:14.122715  [    7.894080] STMicroelectronics ASC driver initialized
  690 10:56:14.123017  [    7.905874] STM32 USART driver initialized
  691 10:56:14.161066  [    7.932979] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 0
  692 10:56:14.197966  [    7.955670] panel-simple panel-lcd: supply power not found, using dummy regulator
  693 10:56:14.198513  [    7.964163] panel-simple panel-lcd: Specify missing connector_type
  694 10:56:14.198865  [    7.972288] panel-simple panel-lvds0: supply power not found, using dummy regulator
  695 10:56:14.245525  [    8.027971] brd: module loaded
  696 10:56:14.323614  [    8.091114] loop: module loaded
  697 10:56:14.324151  [    8.097773] lkdtm: No crash points registered, enable through debugfs
  698 10:56:14.372901  [    8.120443] ahci-imx 2200000.sata: fsl,transmit-level-mV not specified, using 00000024
  699 10:56:14.373445  [    8.128498] ahci-imx 2200000.sata: fsl,transmit-boost-mdB not specified, using 00000480
  700 10:56:14.373796  [    8.136606] ahci-imx 2200000.sata: fsl,transmit-atten-16ths not specified, using 00002000
  701 10:56:14.374123  [    8.144897] ahci-imx 2200000.sata: fsl,receive-eq-mdB not specified, using 05000000
  702 10:56:14.374437  [    8.152970] ahci-imx 2200000.sata: supply ahci not found, using dummy regulator
  703 10:56:14.428893  [    8.161167] ahci-imx 2200000.sata: supply phy not found, using dummy regulator
  704 10:56:14.429434  [    8.169024] ahci-imx 2200000.sata: supply target not found, using dummy regulator
  705 10:56:14.429785  [    8.180494] ahci-imx 2200000.sata: SSS flag set, parallel bus scan disabled
  706 10:56:14.430111  [    8.187626] ahci-imx 2200000.sata: AHCI 0001.0300 32 slots 1 ports 3 Gbps 0x1 impl platform mode
  707 10:56:14.430429  [    8.196525] ahci-imx 2200000.sata: flags: ncq sntf stag pm led clo only pmp pio slum part ccc apst 
  708 10:56:14.430738  [    8.211016] scsi host0: ahci-imx
  709 10:56:14.469426  [    8.216771] ata1: SATA max UDMA/133 mmio [mem 0x02200000-0x02203fff] port 0x100 irq 84
  710 10:56:14.521146  [    8.283441] bgmac_bcma: Broadcom 47xx GBit MAC driver loaded
  711 10:56:14.521690  [    8.297175] pps pps0: new PPS source ptp0
  712 10:56:14.596011  [    8.343901] fec 2188000.ethernet eth0: registered PHC device 0
  713 10:56:14.596552  [    8.354861] e1000e: Intel(R) PRO/1000 Network Driver
  714 10:56:14.596928  [    8.359866] e1000e: Copyright(c) 1999 - 2015 Intel Corporation.
  715 10:56:14.597251  [    8.366126] igb: Intel(R) Gigabit Ethernet Network Driver
  716 10:56:14.597558  [    8.371564] igb: Copyright (c) 2007-2014 Intel Corporation.
  717 10:56:14.656973  [    8.399902] pegasus: v0.9.3 (2013/04/25), Pegasus/Pegasus II USB Ethernet driver
  718 10:56:14.657244  [    8.407562] usbcore: registered new interface driver pegasus
  719 10:56:14.657406  [    8.413560] usbcore: registered new interface driver asix
  720 10:56:14.657547  [    8.419141] usbcore: registered new interface driver ax88179_178a
  721 10:56:14.657680  [    8.425473] usbcore: registered new interface driver cdc_ether
  722 10:56:14.657806  [    8.431556] usbcore: registered new interface driver smsc75xx
  723 10:56:14.657929  [    8.437602] usbcore: registered new interface driver smsc95xx
  724 10:56:14.658051  [    8.443598] usbcore: registered new interface driver net1080
  725 10:56:14.701390  [    8.449438] usbcore: registered new interface driver cdc_subset
  726 10:56:14.701930  [    8.455623] usbcore: registered new interface driver zaurus
  727 10:56:14.702284  [    8.461484] usbcore: registered new interface driver cdc_ncm
  728 10:56:14.738999  [    8.480381] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
  729 10:56:14.739502  [    8.487080] ehci-pci: EHCI PCI platform driver
  730 10:56:14.739822  [    8.491785] ehci-platform: EHCI generic platform driver
  731 10:56:14.740121  [    8.498083] ehci-orion: EHCI orion driver
  732 10:56:14.740410  [    8.503120] SPEAr-ehci: EHCI SPEAr driver
  733 10:56:14.740714  [    8.508077] ehci-st: EHCI STMicroelectronics driver
  734 10:56:14.740994  [    8.513955] ehci-exynos: EHCI Exynos driver
  735 10:56:14.741267  [    8.519073] ehci-atmel: EHCI Atmel driver
  736 10:56:14.741535  [    8.524063] tegra-ehci: Tegra EHCI driver
  737 10:56:14.789324  [    8.529034] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
  738 10:56:14.789868  [    8.535380] ohci-pci: OHCI PCI platform driver
  739 10:56:14.790221  [    8.540022] ohci-platform: OHCI generic platform driver
  740 10:56:14.790542  [    8.546310] SPEAr-ohci: OHCI SPEAr driver
  741 10:56:14.790851  [    8.551244] ohci-st: OHCI STMicroelectronics driver
  742 10:56:14.791153  [    8.557093] ohci-atmel: OHCI Atmel driver
  743 10:56:14.791449  [    8.564385] ata1: SATA link down (SStatus 0 SControl 300)
  744 10:56:14.791743  [    8.564756] usbcore: registered new interface driver usb-storage
  745 10:56:14.833290  [    8.570179] ahci-imx 2200000.sata: no device found, disabling link.
  746 10:56:14.833830  [    8.582320] ahci-imx 2200000.sata: pass ahci_imx..hotplug=1 to enable hotplug
  747 10:56:14.834200  [    8.609881] i2c /dev entries driver
  748 10:56:14.927423  [    8.699104] sdhci: Secure Digital Host Controller Interface driver
  749 10:56:14.927964  [    8.705399] sdhci: Copyright(c) Pierre Ossman
  750 10:56:14.995142  [    8.719705] Synopsys Designware Multimedia Card Interface Driver
  751 10:56:14.995686  [    8.733468] sdhci-pltfm: SDHCI platform and OF driver helper
  752 10:56:14.996042  [    8.743108] sdhci-esdhc-imx 2198000.mmc: Got CD GPIO
  753 10:56:14.996369  [    8.748326] sdhci-esdhc-imx 2198000.mmc: Got WP GPIO
  754 10:56:14.996710  [    8.755737] ledtrig-cpu: registered to indicate activity on CPUs
  755 10:56:14.997023  [    8.757789] sdhci-esdhc-imx 219c000.mmc: Got CD GPIO
  756 10:56:14.997326  [    8.765642] usbcore: registered new interface driver usbhid
  757 10:56:14.997627  [    8.772500] usbhid: USB HID core driver
  758 10:56:15.073674  [    8.801812] ipip: IPv4 and MPLS over IPv4 tunneling driver
  759 10:56:15.074208  [    8.806256] mmc3: SDHCI controller on 219c000.mmc [219c000.mmc] using ADMA
  760 10:56:15.074563  [    8.810027] gre: GRE over IPv4 demultiplexor driver
  761 10:56:15.074893  [    8.817387] mmc2: SDHCI controller on 2198000.mmc [2198000.mmc] using ADMA
  762 10:56:15.075206  [    8.819188] ip_gre: GRE over IPv4 tunneling driver
  763 10:56:15.075510  [    8.825574] IPv4 over IPsec tunneling driver
  764 10:56:15.075809  [    8.840766] NET: Registered protocol family 10
  765 10:56:15.076106  [    8.852170] Segment Routing with IPv6
  766 10:56:15.127969  [    8.862460] ip6_gre: GRE over IPv6 tunneling driver
  767 10:56:15.128503  [    8.868172] mmc2: new high speed SDHC card at address 59b4
  768 10:56:15.128888  [    8.870501] NET: Registered protocol family 17
  769 10:56:15.129216  [    8.877821] mmcblk2: mmc2:59b4 SD    14.7 GiB 
  770 10:56:15.129531  [    8.879946] 8021q: 802.1Q VLAN Support v1.8
  771 10:56:15.129838  [    8.888296] Key type dns_resolver registered
  772 10:56:15.130136  [    8.900749] GPT:Primary header thinks Alt. header is not at the end of the disk.
  773 10:56:15.130440  [    8.908460] GPT:29296874 != 30863359
  774 10:56:15.130733  [    8.908508] ThumbEE CPU extension supported.
  775 10:56:15.169379  [    8.912174] GPT:Alternate GPT header not at the end of the disk.
  776 10:56:15.169888  [    8.916459] Registering SWP/SWPB emulation handler
  777 10:56:15.170261  [    8.922547] GPT:29296874 != 30863359
  778 10:56:15.170587  [    8.930988] GPT: Use GNU Parted to correct GPT errors.
  779 10:56:15.170898  [    8.932482] Loading compiled-in X.509 certificates
  780 10:56:15.171202  [    8.936307]  mmcblk2: p1 p2 p3
  781 10:56:15.373464  [    9.125770] panel-simple panel-lcd: supply power not found, using dummy regulator
  782 10:56:15.374004  [    9.134278] panel-simple panel-lcd: Specify missing connector_type
  783 10:56:15.374356  [    9.147679] panel-simple panel-lvds0: supply power not found, using dummy regulator
  784 10:56:15.432344  [    9.184731] imx_usb 2184200.usb: No over current polarity defined
  785 10:56:15.432912  [    9.198237] ci_hdrc ci_hdrc.1: EHCI Host Controller
  786 10:56:15.433268  [    9.203607] ci_hdrc ci_hdrc.1: new USB bus registered, assigned bus number 1
  787 10:56:15.461253  [    9.232390] ci_hdrc ci_hdrc.1: USB 2.0 started, EHCI 1.00
  788 10:56:15.485284  [    9.253832] hub 1-0:1.0: USB hub found
  789 10:56:15.485829  [    9.260137] hub 1-0:1.0: 1 port detected
  790 10:56:15.505687  [    9.276978] imx_thermal 20c8000.anatop:tempmon: Automotive CPU temperature grade - max:125C critical:120C passive:115C
  791 10:56:15.562039  [    9.309842] panel-simple panel-lcd: supply power not found, using dummy regulator
  792 10:56:15.562548  [    9.318233] panel-simple panel-lcd: Specify missing connector_type
  793 10:56:15.562873  [    9.331744] panel-simple panel-lvds0: supply power not found, using dummy regulator
  794 10:56:15.610975  [    9.363488] panel-simple panel-lcd: supply power not found, using dummy regulator
  795 10:56:15.611511  [    9.371843] panel-simple panel-lcd: Specify missing connector_type
  796 10:56:15.611865  [    9.385277] panel-simple panel-lvds0: supply power not found, using dummy regulator
  797 10:56:15.632981  [    9.404468] input: gpio-keys as /devices/platform/gpio-keys/input/input0
  798 10:56:15.681782  [    9.434062] panel-simple panel-lcd: supply power not found, using dummy regulator
  799 10:56:15.682326  [    9.442399] panel-simple panel-lcd: Specify missing connector_type
  800 10:56:15.682679  [    9.455811] panel-simple panel-lvds0: supply power not found, using dummy regulator
  801 10:56:15.723734  [    9.477611] Micrel KSZ9021 Gigabit PHY 2188000.ethernet-1:07: attached PHY driver [Micrel KSZ9021 Gigabit PHY] (mii_bus:phy_addr=2188000.ethernet-1:07, irq=POLL)
  802 10:56:15.724271  [    9.493099] IP-Config: Failed to open gretap0
  803 10:56:15.724621  [    9.497502] IP-Config: Failed to open erspan0
  804 10:56:15.880444  [    9.532270] Sending DHCP requests .
  805 10:56:15.881016  [    9.652043] usb 1-1: new high-speed USB device number 2 using ci_hdrc
  806 10:56:16.101944  [    9.871530] hub 1-1:1.0: USB hub found
  807 10:56:16.102486  [    9.877405] hub 1-1:1.0: 3 ports detected
  808 10:56:16.162808  [    9.912884] panel-simple panel-lcd: supply power not found, using dummy regulator
  809 10:56:16.163350  [    9.921367] panel-simple panel-lcd: Specify missing connector_type
  810 10:56:16.163701  [    9.936969] panel-simple panel-lvds0: supply power not found, using dummy regulator
  811 10:56:18.844962  [   12.271987] .
  812 10:56:18.872861  [   12.633492] fec 2188000.ethernet eth0: Link is Up - 1Gbps/Full - flow control off
  813 10:56:18.873398  [   12.644668] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
  814 10:56:23.374036  [   17.072152] ., OK
  815 10:56:23.374572  [   17.114549] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.34
  816 10:56:23.374920  [   17.122804] IP-Config: Complete:
  817 10:56:23.375237  [   17.126120]      device=eth0, hwaddr=00:19:b8:08:f1:10, ipaddr=192.168.201.34, mask=255.255.255.0, gw=192.168.201.1
  818 10:56:23.375541  [   17.136894]      host=imx6q-sabrelite-lava-cbg-4, domain=lava-rack, nis-domain=(none)
  819 10:56:23.375838  [   17.144908]      bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath=
  820 10:56:23.376126  [   17.144955]      nameserver0=192.168.201.1
  821 10:56:23.446747  [   17.215474] Freeing unused kernel memory: 2048K
  822 10:56:23.447284  [   17.222727] Run /init as init process
  823 10:56:23.494638  Loading, please wait...
  824 10:56:23.622264  Starting version 247.3-7+deb11u1
  825 10:56:27.597075  [   21.377349] imx-ipuv3 2400000.ipu: IPUv3H probed
  826 10:56:27.646175  [   21.412757] imx-ipuv3 2800000.ipu: IPUv3H probed
  827 10:56:27.646438  [   21.414185] panel-simple panel-lcd: supply power not found, using dummy regulator
  828 10:56:27.683403  [   21.442343] panel-simple panel-lcd: Specify missing connector_type
  829 10:56:27.683940  [   21.456612] panel-simple panel-lvds0: supply power not found, using dummy regulator
  830 10:56:27.762162  [   21.528378] CAN device driver interface
  831 10:56:27.762701  [   21.531025] panel-simple panel-lcd: supply power not found, using dummy regulator
  832 10:56:27.803290  [   21.562189] panel-simple panel-lcd: Specify missing connector_type
  833 10:56:27.803830  [   21.576014] panel-simple panel-lvds0: supply power not found, using dummy regulator
  834 10:56:27.867136  [   21.640385] panel-simple panel-lcd: supply power not found, using dummy regulator
  835 10:56:27.893057  [   21.664786] panel-simple panel-lcd: Specify missing connector_type
  836 10:56:27.941713  [   21.688319] etnaviv etnaviv: bound 130000.gpu (ops gpu_ops [etnaviv])
  837 10:56:27.942251  [   21.703011] etnaviv etnaviv: bound 134000.gpu (ops gpu_ops [etnaviv])
  838 10:56:27.942600  [   21.710687] etnaviv etnaviv: bound 2204000.gpu (ops gpu_ops [etnaviv])
  839 10:56:27.942927  [   21.717440] etnaviv-gpu 130000.gpu: model: GC2000, revision: 5108
  840 10:56:27.957923  [   21.743871] caam 2100000.crypto: Entropy delay = 3200
  841 10:56:28.037510  [   21.809754] caam 2100000.crypto: Instantiated RNG4 SH0
  842 10:56:28.109214  [   21.870523] caam 2100000.crypto: Instantiated RNG4 SH1
  843 10:56:28.109620  [   21.875790] caam 2100000.crypto: device ID = 0x0a16010000000000 (Era 4)
  844 10:56:28.109939  [   21.882520] caam 2100000.crypto: job rings = 2, qi = 0
  845 10:56:28.151128  [   21.901261] etnaviv-gpu 134000.gpu: model: GC320, revision: 5007
  846 10:56:28.151545  [   21.911725] panel-simple panel-lvds0: supply power not found, using dummy regulator
  847 10:56:28.151868  [   21.917156] etnaviv-gpu 2204000.gpu: model: GC355, revision: 1215
  848 10:56:28.152163  [   21.925823] etnaviv-gpu 2204000.gpu: Ignoring GPU with VG and FE2.0
  849 10:56:28.207242  [   21.949279] panel-simple panel-lcd: supply power not found, using dummy regulator
  850 10:56:28.207742  [   21.957852] panel-simple panel-lcd: Specify missing connector_type
  851 10:56:28.208062  [   21.965987] [drm] Initialized etnaviv 1.3.0 20151214 for etnaviv on minor 1
  852 10:56:28.208366  [   21.977324] usb_phy_generic usbphynop1: supply vcc not found, using dummy regulator
  853 10:56:28.208680  [   21.983014] sgtl5000 0-000a: sgtl5000 revision 0x11
  854 10:56:28.208982  [   21.984112] panel-simple panel-lvds0: supply power not found, using dummy regulator
  855 10:56:28.250578  [   21.987285] usb_phy_generic usbphynop1: dummy supplies not allowed for exclusive requests
  856 10:56:28.250982  [   22.004539] sgtl5000 0-000a: Using internal LDO instead of VDDD: check ER1 erratum
  857 10:56:28.251302  [   22.006934] usb_phy_generic usbphynop2: supply vcc not found, using dummy regulator
  858 10:56:28.251600  [   22.014458] panel-simple panel-lcd: supply power not found, using dummy regulator
  859 10:56:28.251893  [   22.022488] usb_phy_generic usbphynop2: dummy supplies not allowed for exclusive requests
  860 10:56:28.252176  [   22.029989] panel-simple panel-lcd: Specify missing connector_type
  861 10:56:28.295663  [   22.043348] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm])
  862 10:56:28.296208  [   22.051082] panel-simple panel-lvds0: supply power not found, using dummy regulator
  863 10:56:28.296559  [   22.052269] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm])
  864 10:56:28.296926  [   22.068247] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm])
  865 10:56:28.297244  [   22.077147] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm])
  866 10:56:28.337214  [   22.085353] panel-simple panel-lcd: supply power not found, using dummy regulator
  867 10:56:28.337758  [   22.086282] panel-simple panel-lcd: Specify missing connector_type
  868 10:56:28.338118  [   22.107685] panel-simple panel-lvds0: supply power not found, using dummy regulator
  869 10:56:28.412019  [   22.155004] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm])
  870 10:56:28.412570  [   22.163988] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm])
  871 10:56:28.412987  [   22.172762] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm])
  872 10:56:28.413317  [   22.181177] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm])
  873 10:56:28.466690  [   22.238518] panel-simple panel-lcd: supply power not found, using dummy regulator
  874 10:56:28.503695  [   22.261997] panel-simple panel-lcd: Specify missing connector_type
  875 10:56:28.504232  [   22.276079] panel-simple panel-lvds0: supply power not found, using dummy regulator
  876 10:56:29.347624  [   23.108796] caam algorithms registered in /proc/crypto
  877 10:56:29.348168  [   23.122905] caam 2100000.crypto: registering rng-caam
  878 10:56:29.475492  [   23.250903] random: crng init done
  879 10:56:29.544651  [   23.285357] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm])
  880 10:56:29.545223  [   23.293920] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm])
  881 10:56:29.545574  [   23.302581] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm])
  882 10:56:29.545898  [   23.310994] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm])
  883 10:56:29.546215  [   23.325969] panel-simple panel-lcd: supply power not found, using dummy regulator
  884 10:56:29.593171  [   23.334552] panel-simple panel-lcd: Specify missing connector_type
  885 10:56:29.593716  Begin: Loading essential drivers [   23.348671] panel-simple panel-lvds0: supply power not found, using dummy regulator
  886 10:56:29.594076  ... done.
  887 10:56:29.594399  Begin: Running /scripts/init-premount ... done.
  888 10:56:29.594711  Begin: Mounting root file system ... Begin: Running /scripts/nfs-top ... done.
  889 10:56:29.595013  Begin: Running /scripts/nfs-premount ... done.
  890 10:56:29.848795  IP-Config: eth0 hardware address 00:19:b8:08:f1:10 mtu 1500 DHCP
  891 10:56:29.933698  IP-Config: erspan0 hardware address 00:00:00:00:00:00 mtu 1450 DHCP
  892 10:56:29.934238  SIOCSIFFLAGS: Cannot assign requested address
  893 10:56:29.993638  IP-Config: gretap0 hardware address 00:00:00:00:00:00 mtu 1462 DHCP
  894 10:56:29.994180  SIOCSIFFLAGS: Cannot assign requested address
  895 10:56:29.994527  IP-Config: eth0 complete (dhcp from 192.168.201.1):
  896 10:56:29.994851   address: 192.168.201.34   broadcast: 192.168.201.255  netmask: 255.255.255.0   
  897 10:56:29.995167   gateway: 192.168.201.1    dns0     : 192.168.201.1    dns1   : 0.0.0.0         
  898 10:56:29.995471   host   : imx6q-sabrelite-lava-cbg-4                                      
  899 10:56:29.995768   domain : lava-rack                                                       
  900 10:56:30.009572   rootserver: 192.168.201.1 rootpath: 
  901 10:56:30.010108   filename  : 
  902 10:56:30.184689  done.
  903 10:56:30.217048  Begin: Running /scripts/nfs-bottom ... done.
  904 10:56:30.280632  Begin: Running /scripts/init-bottom ... done.
  905 10:56:31.780484  [   25.552929] systemd[1]: System time before build time, advancing clock.
  906 10:56:32.098836  [   25.844234] 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)
  907 10:56:32.099482  [   25.871744] systemd[1]: Detected architecture arm.
  908 10:56:32.114522  
  909 10:56:32.114963  Welcome to Debian GNU/Linux 11 (bullseye)!
  910 10:56:32.115317  
  911 10:56:32.157435  [   25.929210] systemd[1]: Set hostname to <debian-bullseye-armhf>.
  912 10:56:33.869921  [   27.601040] systemd[1]: Queued start job for default target Graphical Interface.
  913 10:56:33.870468  [   27.616712] systemd[1]: Created slice system-getty.slice.
  914 10:56:33.870814  [  OK  ] Created slice system-getty.slice.
  915 10:56:33.871130  [   27.635774] systemd[1]: Created slice system-modprobe.slice.
  916 10:56:33.871430  [  OK  ] Created slice system-modprobe.slice.
  917 10:56:33.917926  [   27.677374] systemd[1]: Created slice system-serial\x2dgetty.slice.
  918 10:56:33.918457  [  OK  ] Created slice system-serial\x2dgetty.slice.
  919 10:56:33.967675  [   27.727891] systemd[1]: Created slice User and Session Slice.
  920 10:56:33.968224  [  OK  ] Created slice User and Session Slice.
  921 10:56:34.018656  [   27.777668] systemd[1]: Started Dispatch Password Requests to Console Directory Watch.
  922 10:56:34.019197  [  OK  ] Started Dispatch Password …ts to Console Directory Watch.
  923 10:56:34.066391  [   27.825370] systemd[1]: Started Forward Password Requests to Wall Directory Watch.
  924 10:56:34.066921  [  OK  ] Started Forward Password R…uests to Wall Directory Watch.
  925 10:56:34.137342  [   27.883808] systemd[1]: Condition check resulted in Arbitrary Executable File Formats File System Automount Point being skipped.
  926 10:56:34.137890  [   27.897569] systemd[1]: Reached target Local Encrypted Volumes.
  927 10:56:34.138241  [  OK  ] Reached target Local Encrypted Volumes.
  928 10:56:34.182432  [   27.943328] systemd[1]: Reached target Paths.
  929 10:56:34.182976  [  OK  ] Reached target Paths.
  930 10:56:34.221733  [   27.982535] systemd[1]: Reached target Remote File Systems.
  931 10:56:34.221899  [  OK  ] Reached target Remote File Systems.
  932 10:56:34.237607  [   28.022733] systemd[1]: Reached target Slices.
  933 10:56:34.253708  [  OK  ] Reached target Slices.
  934 10:56:34.298296  [   28.063941] systemd[1]: Reached target Swap.
  935 10:56:34.298838  [  OK  ] Reached target Swap.
  936 10:56:34.342878  [   28.104288] systemd[1]: Listening on initctl Compatibility Named Pipe.
  937 10:56:34.343418  [  OK  ] Listening on initctl Compatibility Named Pipe.
  938 10:56:34.456143  [   28.208626] systemd[1]: Condition check resulted in Journal Audit Socket being skipped.
  939 10:56:34.456710  [   28.222527] systemd[1]: Listening on Journal Socket (/dev/log).
  940 10:56:34.457065  [  OK  ] Listening on Journal Socket (/dev/log).
  941 10:56:34.487706  [   28.269099] systemd[1]: Listening on Journal Socket.
  942 10:56:34.503143  [  OK  ] Listening on Journal Socket.
  943 10:56:34.560120  [   28.319344] systemd[1]: Listening on Network Service Netlink Socket.
  944 10:56:34.560282  [  OK  ] Listening on Network Service Netlink Socket.
  945 10:56:34.610415  [   28.373935] systemd[1]: Listening on udev Control Socket.
  946 10:56:34.610970  [  OK  ] Listening on udev Control Socket.
  947 10:56:34.649876  [   28.414696] systemd[1]: Listening on udev Kernel Socket.
  948 10:56:34.650080  [  OK  ] Listening on udev Kernel Socket.
  949 10:56:34.693991  [   28.455941] systemd[1]: Condition check resulted in Huge Pages File System being skipped.
  950 10:56:34.694285  [   28.466306] systemd[1]: Condition check resulted in POSIX Message Queue File System being skipped.
  951 10:56:34.718098  [   28.485635] systemd[1]: Mounting Kernel Debug File System...
  952 10:56:34.718538           Mounting Kernel Debug File System...
  953 10:56:34.772614  [   28.536672] systemd[1]: Mounting Kernel Trace File System...
  954 10:56:34.772808           Mounting Kernel Trace File System...
  955 10:56:34.819460  [   28.583262] systemd[1]: Starting Create list of static device nodes for the current kernel...
  956 10:56:34.819560           Starting Create list of st…odes for the current kernel...
  957 10:56:34.868568  [   28.633056] systemd[1]: Starting Load Kernel Module configfs...
  958 10:56:34.868767           Starting Load Kernel Module configfs...
  959 10:56:34.912802  [   28.684377] systemd[1]: Starting Load Kernel Module drm...
  960 10:56:34.913286           Starting Load Kernel Module drm...
  961 10:56:34.967858  [   28.732260] systemd[1]: Starting Load Kernel Module fuse...
  962 10:56:34.968401           Starting Load Kernel Module fuse...
  963 10:56:35.035520  [   28.802479] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped.
  964 10:56:35.036069  [   28.809453] fuse: init (API version 7.32)
  965 10:56:35.065323  [   28.834899] systemd[1]: Starting Journal Service...
  966 10:56:35.065872           Starting Journal Service...
  967 10:56:35.137171  [   28.904933] systemd[1]: Starting Load Kernel Modules...
  968 10:56:35.137681           Starting Load Kernel Modules...
  969 10:56:35.199171  [   28.963355] systemd[1]: Starting Remount Root and Kernel File Systems...
  970 10:56:35.199724           Starting Remount Root and Kernel File Systems...
  971 10:56:35.255220  [   29.022005] systemd[1]: Starting Coldplug All udev Devices...
  972 10:56:35.255770           Starting Coldplug All udev Devices...
  973 10:56:35.325737  [   29.090557] systemd[1]: Mounted Kernel Debug File System.
  974 10:56:35.326250  [  OK  ] Mounted Kernel Debug File System.
  975 10:56:35.379592  [   29.143929] systemd[1]: Mounted Kernel Trace File System.
  976 10:56:35.380029  [  OK  ] Mounted Kernel Trace File System.
  977 10:56:35.440632  [   29.200638] systemd[1]: Finished Create list of static device nodes for the current kernel.
  978 10:56:35.441208  [  OK  ] Finished Create list of st… nodes for the current kernel.
  979 10:56:35.544382  [   29.297398] systemd[1]: modprobe@configfs.service: Succeeded.
  980 10:56:35.544953  [   29.308743] systemd[1]: Finished Load Kernel Module configfs.
  981 10:56:35.545300  [  OK  ] Finished Load Kernel Module configfs.
  982 10:56:35.610289  [   29.368043] systemd[1]: modprobe@drm.service: Succeeded.
  983 10:56:35.610826  [   29.379194] systemd[1]: Finished Load Kernel Module drm.
  984 10:56:35.611169  [  OK  ] Finished Load Kernel Module drm.
  985 10:56:35.685340  [   29.437781] systemd[1]: modprobe@fuse.service: Succeeded.
  986 10:56:35.685882  [   29.448575] systemd[1]: Finished Load Kernel Module fuse.
  987 10:56:35.686231  [  OK  ] Finished Load Kernel Module fuse.
  988 10:56:35.741019  [   29.507942] systemd[1]: Finished Load Kernel Modules.
  989 10:56:35.741557  [  OK  ] Finished Load Kernel Modules.
  990 10:56:35.785716  [   29.547621] systemd[1]: Finished Remount Root and Kernel File Systems.
  991 10:56:35.786159  [  OK  ] Finished Remount Root and Kernel File Systems.
  992 10:56:35.817726  [   29.603811] systemd[1]: Started Journal Service.
  993 10:56:35.833680  [  OK  ] Started Journal Service.
  994 10:56:35.881555           Mounting FUSE Control File System...
  995 10:56:35.929450           Mounting Kernel Configuration File System...
  996 10:56:35.982323           Starting Flush Journal to Persistent Storage...
  997 10:56:36.030291           Starting Load/Save Random Seed...
  998 10:56:36.078143           Starting Apply Kernel Variables...
  999 10:56:36.099102  [   29.871547] systemd-journald[270]: Received client request to flush runtime journal.
 1000 10:56:36.131006           Starting Create System Users...
 1001 10:56:36.177846  [  OK  ] Mounted FUSE Control File System.
 1002 10:56:36.224769  [  OK  ] Mounted Kernel Configuration File System.
 1003 10:56:36.268737  [  OK  ] Finished Load/Save Random Seed.
 1004 10:56:36.308418  [  OK  ] Finished Apply Kernel Variables.
 1005 10:56:36.590024  [  OK  ] Finished Create System Users.
 1006 10:56:36.635475           Starting Create Static Device Nodes in /dev...
 1007 10:56:36.960213  [  OK  ] Finished Flush Journal to Persistent Storage.
 1008 10:56:37.017147  [  OK  ] Finished Create Static Device Nodes in /dev.
 1009 10:56:37.064456  [  OK  ] Reached target Local File Systems (Pre).
 1010 10:56:37.103060  [  OK  ] Reached target Local File Systems.
 1011 10:56:37.150912           Starting Create Volatile Files and Directories...
 1012 10:56:37.203780           Starting Rule-based Manage…for Device Events and Files...
 1013 10:56:37.559932  [  OK  ] Started Rule-based Manager for Device Events and Files.
 1014 10:56:37.623814           Starting Network Service...
 1015 10:56:37.790122  [  OK  ] Finished Create Volatile Files and Directories.
 1016 10:56:37.915044           Starting Network Time Synchronization...
 1017 10:56:37.962982           Starting Update UTMP about System Boot/Shutdown...
 1018 10:56:38.350791  [  OK  ] Finished Update UTMP about System Boot/Shutdown.
 1019 10:56:38.925801  [  OK  ] Started Network Service.
 1020 10:56:39.021668           Starting Network Name Resolution...
 1021 10:56:39.092589  [  OK  ] Started Network Time Synchronization.
 1022 10:56:39.124468  [  OK  ] Reached target System Time Set.
 1023 10:56:39.140526  [  OK  ] Reached target System Time Synchronized.
 1024 10:56:40.607652  [  OK  ] Started Network Name Resolution.
 1025 10:56:40.639708  [  OK  ] Reached target Network.
 1026 10:56:40.691804  [  OK  ] Reached target Host and Network Name Lookups.
 1027 10:56:42.079928  [  OK  ] Reached target Hardware activated USB gadget.
 1028 10:56:42.191950  [  OK  ] Found device /dev/ttymxc1.
 1029 10:56:42.373706  [  OK  ] Finished Coldplug All udev Devices.
 1030 10:56:42.452180  [  OK  ] Reached target System Initialization.
 1031 10:56:42.495328  [  OK  ] Started Daily apt download activities.
 1032 10:56:42.538098  [  OK  ] Started Daily apt upgrade and clean activities.
 1033 10:56:42.578166  [  OK  ] Started Periodic ext4 Onli…ata Check for All Filesystems.
 1034 10:56:42.621687  [  OK  ] Started Discard unused blocks once a week.
 1035 10:56:42.652707  [  OK  ] Started Daily Cleanup of Temporary Directories.
 1036 10:56:42.684728  [  OK  ] Reached target Timers.
 1037 10:56:42.726439  [  OK  ] Listening on D-Bus System Message Bus Socket.
 1038 10:56:42.758855  [  OK  ] Reached target Sockets.
 1039 10:56:42.783231  [  OK  ] Reached target Basic System.
 1040 10:56:42.857531  [  OK  ] Started D-Bus System Message Bus.
 1041 10:56:42.976871           Starting Remove Stale Onli…t4 Metadata Check Snapshots...
 1042 10:56:43.120720           Starting User Login Management...
 1043 10:56:43.169077           Starting Permit User Sessions...
 1044 10:56:43.472006  [  OK  ] Finished Permit User Sessions.
 1045 10:56:44.200797  [  OK  ] Finished Remove Stale Onli…ext4 Metadata Check Snapshots.
 1046 10:56:45.921222  [  OK  ] Started User Login Management.
 1047 10:56:45.965743  [  OK  ] Listening on Load/Save RF …itch Status /dev/rfkill Watch.
 1048 10:56:46.014050  [  OK  ] Started Getty on tty1.
 1049 10:56:46.069484  [  OK  ] Started Serial Getty on ttymxc1.
 1050 10:56:46.112864  [  OK  ] Reached target Login Prompts.
 1051 10:56:46.149639  [  OK  ] Reached target Multi-User System.
 1052 10:56:46.190094  [  OK  ] Reached target Graphical Interface.
 1053 10:56:46.260964           Starting Update UTMP about System Runlevel Changes...
 1054 10:56:46.453075  [  OK  ] Finished Update UTMP about System Runlevel Changes.
 1055 10:56:46.564351  
 1056 10:56:46.564844  
 1057 10:56:46.585470  Debian GNU/Linux 11 debian-bullseye-armhf ttymxc1
 1058 10:56:46.585989  
 1059 10:56:46.586313  debian-bullseye-armhf login: root (automatic login)
 1060 10:56:46.586613  
 1061 10:56:46.586901  
 1062 10:56:47.234109  Linux debian-bullseye-armhf 5.10.155-cip21 #1 SMP Sat Nov 26 10:42:54 UTC 2022 armv7l
 1063 10:56:47.234642  
 1064 10:56:47.234971  The programs included with the Debian GNU/Linux system are free software;
 1065 10:56:47.235274  the exact distribution terms for each program are described in the
 1066 10:56:47.235567  individual files in /usr/share/doc/*/copyright.
 1067 10:56:47.235850  
 1068 10:56:47.236121  Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent
 1069 10:56:47.236394  permitted by applicable law.
 1070 10:56:52.172754  Matched prompt #7: / #
 1072 10:56:52.173152  Setting prompt string to ['/ #']
 1073 10:56:52.173250  end: 2.4.4.1 login-action (duration 00:00:39) [common]
 1075 10:56:52.173444  end: 2.4.4 auto-login-action (duration 00:00:48) [common]
 1076 10:56:52.173532  start: 2.4.5 expect-shell-connection (timeout 00:03:18) [common]
 1077 10:56:52.173603  Setting prompt string to ['/ #']
 1078 10:56:52.173664  Forcing a shell prompt, looking for ['/ #']
 1080 10:56:52.224405  / # 
 1081 10:56:52.224764  expect-shell-connection: Wait for prompt ['/ #'] (timeout 00:05:00)
 1082 10:56:52.224974  Waiting using forced prompt support (timeout 00:02:30)
 1083 10:56:52.231053  
 1084 10:56:52.247323  end: 2.4.5 expect-shell-connection (duration 00:00:00) [common]
 1085 10:56:52.247961  start: 2.4.6 export-device-env (timeout 00:03:18) [common]
 1086 10:56:52.249016  Sending with 10 millisecond of delay
 1088 10:56:57.344722  / # export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/8138416/extract-nfsrootfs-knpv73x2'
 1089 10:56:57.355644  export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/8138416/extract-nfsrootfs-knpv73x2'
 1090 10:56:57.372145  Sending with 10 millisecond of delay
 1092 10:56:59.607034  / # export NFS_SERVER_IP='192.168.201.1'
 1093 10:56:59.623601  export NFS_SERVER_IP='192.168.201.1'
 1094 10:56:59.624517  end: 2.4.6 export-device-env (duration 00:00:07) [common]
 1095 10:56:59.625054  end: 2.4 uboot-commands (duration 00:01:50) [common]
 1096 10:56:59.625517  end: 2 uboot-action (duration 00:01:50) [common]
 1097 10:56:59.625992  start: 3 lava-test-retry (timeout 00:07:45) [common]
 1098 10:56:59.626471  start: 3.1 lava-test-shell (timeout 00:07:45) [common]
 1099 10:56:59.626871  Using namespace: common
 1101 10:56:59.728383  / # #
 1102 10:56:59.729009  lava-test-shell: Wait for prompt ['/ #'] (timeout 00:10:00)
 1103 10:56:59.734876  #
 1104 10:56:59.751150  Using /lava-8138416
 1106 10:56:59.852838  / # export SHELL=/bin/bash
 1107 10:56:59.862889  export SHELL=/bin/bash
 1109 10:56:59.980402  / # . /lava-8138416/environment
 1110 10:56:59.990752  . /lava-8138416/environment
 1112 10:57:00.108488  / # /lava-8138416/bin/lava-test-runner /lava-8138416/0
 1113 10:57:00.109139  Test shell timeout: 10s (minimum of the action and connection timeout)
 1114 10:57:00.118502  /lava-8138416/bin/lava-test-runner /lava-8138416/0
 1115 10:57:01.005442  + export TESTRUN_ID=0_timesync-off
 1116 10:57:01.006007  + TESTRUN_ID=0_timesync-off
 1117 10:57:01.006370  + cd /lava-8138416/0/tests/0_timesync-off
 1118 10:57:01.006703  ++ cat uuid
 1119 10:57:01.056243  + UUID=8138416_1.6.2.4.1
 1120 10:57:01.056779  + set +x
 1121 10:57:01.057107  <LAVA_SIGNAL_STARTRUN 0_timesync-off 8138416_1.6.2.4.1>
 1122 10:57:01.057438  + systemctl stop systemd-timesyncd
 1123 10:57:01.057986  Received signal: <STARTRUN> 0_timesync-off 8138416_1.6.2.4.1
 1124 10:57:01.058313  Starting test lava.0_timesync-off (8138416_1.6.2.4.1)
 1125 10:57:01.058702  Skipping test definition patterns.
 1126 10:57:01.221943  + set +x
 1127 10:57:01.222463  <LAVA_SIGNAL_ENDRUN 0_timesync-off 8138416_1.6.2.4.1>
 1128 10:57:01.223045  Received signal: <ENDRUN> 0_timesync-off 8138416_1.6.2.4.1
 1129 10:57:01.223471  Ending use of test pattern.
 1130 10:57:01.223816  Ending test lava.0_timesync-off (8138416_1.6.2.4.1), duration 0.17
 1132 10:57:01.466203  + export TESTRUN_ID=1_kselftest-lkdtm
 1133 10:57:01.466716  + TESTRUN_ID=1_kselftest-lkdtm
 1134 10:57:01.467084  + cd /lava-8138416/0/tests/1_kselftest-lkdtm
 1135 10:57:01.467395  ++ cat uuid
 1136 10:57:01.498175  + UUID=8138416_1.6.2.4.5
 1137 10:57:01.498590  + set +x
 1138 10:57:01.546093  <LAVA_SIGNAL_STARTRUN 1_kselftest-lkdtm 8138416_1.6.2.4.5>
 1139 10:57:01.546506  + cd ./automated/linux/kselftest/
 1140 10:57:01.546870  + ./kselftest.sh -c lkdtm -T '' -t kselftest_armhf.tar.gz -s false -u http://storage.kernelci.org/cip/linux-5.10.y-cip/v5.10.155-cip21/arm/multi_v7_defconfig+kselftest/gcc-10/kselftest.tar.xz -L '' -S skipfile-lkft.yaml -b imx6q-sabrelite -g cip -e '' -p /opt/kselftests/mainline/ -n 1 -i 1
 1141 10:57:01.547457  Received signal: <STARTRUN> 1_kselftest-lkdtm 8138416_1.6.2.4.5
 1142 10:57:01.547788  Starting test lava.1_kselftest-lkdtm (8138416_1.6.2.4.5)
 1143 10:57:01.548163  Skipping test definition patterns.
 1144 10:57:01.631883  INFO: Generating a skipfile based on /lava-8138416/0/tests/1_kselftest-lkdtm/automated/linux/kselftest/skipfile-lkft.yaml
 1145 10:57:01.837530  INFO: Using the following generated skipfile contents (until EOF):
 1146 10:57:01.838045  breakpoints:breakpoint_test
 1147 10:57:01.838368  breakpoints:step_after_suspend_test
 1148 10:57:01.838671  ftrace:ftracetest
 1149 10:57:01.838965  net:rtnetlink.sh
 1150 10:57:01.839284  net:tls
 1151 10:57:01.839587  netfilter:bridge_brouter.sh
 1152 10:57:01.839886  netfilter:nft_flowtable.sh
 1153 10:57:01.840184  netfilter:nft_trans_stress.sh
 1154 10:57:01.840475  pidfd:pidfd_wait
 1155 10:57:01.840828  INFO: EOF
 1156 10:57:01.949162  INFO: Installing sed perl wget xz-utils iproute2
 1157 10:57:03.434062  Hit:1 http://deb.debian.org/debian bullseye InRelease
 1158 10:57:18.346226  Reading package lists...
 1159 10:57:21.028305  Reading package lists...
 1160 10:57:21.922611  Building dependency tree...
 1161 10:57:21.923237  Reading state information...
 1162 10:57:22.140302  iproute2 is already the newest version (5.10.0-4).
 1163 10:57:22.140878  perl is already the newest version (5.32.1-4+deb11u2).
 1164 10:57:22.141240  sed is already the newest version (4.7-1).
 1165 10:57:22.141568  wget is already the newest version (1.21-1+deb11u1).
 1166 10:57:22.141881  xz-utils is already the newest version (5.2.5-2.1~deb11u1).
 1167 10:57:23.746587  0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
 1168 10:57:23.962041  --2022-11-26 10:57:23--  http://storage.kernelci.org/cip/linux-5.10.y-cip/v5.10.155-cip21/arm/multi_v7_defconfig+kselftest/gcc-10/kselftest.tar.xz
 1169 10:57:23.962601  Resolving storage.kernelci.org (storage.kernelci.org)... 52.250.1.28
 1170 10:57:24.110545  Connecting to storage.kernelci.org (storage.kernelci.org)|52.250.1.28|:80... connected.
 1171 10:57:24.254500  HTTP request sent, awaiting response... 200 OK
 1172 10:57:24.255056  Length: 1407668 (1.3M) [application/octet-stream]
 1173 10:57:24.275221  Saving to: 'kselftest.tar.xz'
 1174 10:57:24.275801  
 1175 10:57:24.276176  
 1176 10:57:24.557613  kselftest.tar.xz      0%[                    ]       0  --.-KB/s               
 1177 10:57:24.841343  kselftest.tar.xz      2%[                    ]  28.94K   103KB/s               
 1178 10:57:25.127695  kselftest.tar.xz      6%[>                   ]  94.47K   167KB/s               
 1179 10:57:25.414090  kselftest.tar.xz     10%[=>                  ] 148.21K   174KB/s               
 1180 10:57:25.700466  kselftest.tar.xz     14%[=>                  ] 197.21K   173KB/s               
 1181 10:57:25.971972  kselftest.tar.xz     16%[==>                 ] 225.50K   158KB/s               
 1182 10:57:26.273363  kselftest.tar.xz     18%[==>                 ] 260.85K   152KB/s               
 1183 10:57:26.496650  kselftest.tar.xz     20%[===>                ] 288.20K   144KB/s               
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 1236 10:57:39.727728  
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 1238 10:57:39.785736  
 1239 10:57:44.894582  skiplist:
 1240 10:57:44.895141  ========================================
 1241 10:57:44.895518  breakpoints:breakpoint_test
 1242 10:57:45.149820  breakpoints:step_after_suspend_test
 1243 10:57:45.198136  ftrace:ftracetest
 1244 10:57:45.262037  net:rtnetlink.sh
 1245 10:57:45.309802  net:tls
 1246 10:57:45.373654  netfilter:bridge_brouter.sh
 1247 10:57:45.437376  netfilter:nft_flowtable.sh
 1248 10:57:45.485374  netfilter:nft_trans_stress.sh
 1249 10:57:45.533214  pidfd:pidfd_wait
 1250 10:57:45.597181  ========================================
 1251 10:57:45.756758  lkdtm:PANIC.sh
 1252 10:57:45.757289  lkdtm:BUG.sh
 1253 10:57:45.757641  lkdtm:WARNING.sh
 1254 10:57:45.758000  lkdtm:WARNING_MESSAGE.sh
 1255 10:57:45.758330  lkdtm:EXCEPTION.sh
 1256 10:57:45.758639  lkdtm:LOOP.sh
 1257 10:57:45.758937  lkdtm:EXHAUST_STACK.sh
 1258 10:57:45.759276  lkdtm:CORRUPT_STACK.sh
 1259 10:57:45.759573  lkdtm:CORRUPT_STACK_STRONG.sh
 1260 10:57:45.759863  lkdtm:CORRUPT_LIST_ADD.sh
 1261 10:57:45.760154  lkdtm:CORRUPT_LIST_DEL.sh
 1262 10:57:45.760444  lkdtm:STACK_GUARD_PAGE_LEADING.sh
 1263 10:57:45.760763  lkdtm:STACK_GUARD_PAGE_TRAILING.sh
 1264 10:57:45.761057  lkdtm:UNSET_SMEP.sh
 1265 10:57:45.761343  lkdtm:DOUBLE_FAULT.sh
 1266 10:57:45.761628  lkdtm:CORRUPT_PAC.sh
 1267 10:57:45.761913  lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh
 1268 10:57:45.762198  lkdtm:OVERWRITE_ALLOCATION.sh
 1269 10:57:45.762483  lkdtm:WRITE_AFTER_FREE.sh
 1270 10:57:45.799775  lkdtm:READ_AFTER_FREE.sh
 1271 10:57:45.800319  lkdtm:WRITE_BUDDY_AFTER_FREE.sh
 1272 10:57:45.800771  lkdtm:READ_BUDDY_AFTER_FREE.sh
 1273 10:57:45.801140  lkdtm:SLAB_FREE_DOUBLE.sh
 1274 10:57:45.801469  lkdtm:SLAB_FREE_CROSS.sh
 1275 10:57:45.801780  lkdtm:SLAB_FREE_PAGE.sh
 1276 10:57:45.802082  lkdtm:SOFTLOCKUP.sh
 1277 10:57:45.802382  lkdtm:HARDLOCKUP.sh
 1278 10:57:45.802674  lkdtm:SPINLOCKUP.sh
 1279 10:57:45.802965  lkdtm:HUNG_TASK.sh
 1280 10:57:45.803261  lkdtm:EXEC_DATA.sh
 1281 10:57:45.803551  lkdtm:EXEC_STACK.sh
 1282 10:57:45.803838  lkdtm:EXEC_KMALLOC.sh
 1283 10:57:45.804123  lkdtm:EXEC_VMALLOC.sh
 1284 10:57:45.804410  lkdtm:EXEC_RODATA.sh
 1285 10:57:45.804723  lkdtm:EXEC_USERSPACE.sh
 1286 10:57:45.805020  lkdtm:EXEC_NULL.sh
 1287 10:57:45.805312  lkdtm:ACCESS_USERSPACE.sh
 1288 10:57:45.805598  lkdtm:ACCESS_NULL.sh
 1289 10:57:45.805882  lkdtm:WRITE_RO.sh
 1290 10:57:45.806167  lkdtm:WRITE_RO_AFTER_INIT.sh
 1291 10:57:45.842779  lkdtm:WRITE_KERN.sh
 1292 10:57:45.843317  lkdtm:REFCOUNT_INC_OVERFLOW.sh
 1293 10:57:45.843663  lkdtm:REFCOUNT_ADD_OVERFLOW.sh
 1294 10:57:45.843989  lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh
 1295 10:57:45.844303  lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh
 1296 10:57:45.844606  lkdtm:REFCOUNT_DEC_ZERO.sh
 1297 10:57:45.844932  lkdtm:REFCOUNT_DEC_NEGATIVE.sh
 1298 10:57:45.845228  lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh
 1299 10:57:45.845519  lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh
 1300 10:57:45.845808  lkdtm:REFCOUNT_INC_ZERO.sh
 1301 10:57:45.846097  lkdtm:REFCOUNT_ADD_ZERO.sh
 1302 10:57:45.846382  lkdtm:REFCOUNT_INC_SATURATED.sh
 1303 10:57:45.846667  lkdtm:REFCOUNT_DEC_SATURATED.sh
 1304 10:57:45.846953  lkdtm:REFCOUNT_ADD_SATURATED.sh
 1305 10:57:45.847236  lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh
 1306 10:57:45.886060  lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh
 1307 10:57:45.886608  lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh
 1308 10:57:45.886989  lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh
 1309 10:57:45.887319  lkdtm:REFCOUNT_TIMING.sh
 1310 10:57:45.887631  lkdtm:ATOMIC_TIMING.sh
 1311 10:57:45.887934  lkdtm:USERCOPY_HEAP_SIZE_TO.sh
 1312 10:57:45.888234  lkdtm:USERCOPY_HEAP_SIZE_FROM.sh
 1313 10:57:45.888530  lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh
 1314 10:57:45.888856  lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh
 1315 10:57:45.889149  lkdtm:USERCOPY_STACK_FRAME_TO.sh
 1316 10:57:45.889437  lkdtm:USERCOPY_STACK_FRAME_FROM.sh
 1317 10:57:45.889721  lkdtm:USERCOPY_STACK_BEYOND.sh
 1318 10:57:45.890004  lkdtm:USERCOPY_KERNEL.sh
 1319 10:57:45.890286  lkdtm:STACKLEAK_ERASING.sh
 1320 10:57:45.928950  lkdtm:CFI_FORWARD_PROTO.sh
 1321 10:57:45.929515  ============== Tests to run ===============
 1322 10:57:45.929875  lkdtm:PANIC.sh
 1323 10:57:45.930202  lkdtm:BUG.sh
 1324 10:57:45.930512  lkdtm:WARNING.sh
 1325 10:57:45.930815  lkdtm:WARNING_MESSAGE.sh
 1326 10:57:45.931108  lkdtm:EXCEPTION.sh
 1327 10:57:45.931402  lkdtm:LOOP.sh
 1328 10:57:45.931692  lkdtm:EXHAUST_STACK.sh
 1329 10:57:45.931976  lkdtm:CORRUPT_STACK.sh
 1330 10:57:45.932263  lkdtm:CORRUPT_STACK_STRONG.sh
 1331 10:57:45.932549  lkdtm:CORRUPT_LIST_ADD.sh
 1332 10:57:45.932864  lkdtm:CORRUPT_LIST_DEL.sh
 1333 10:57:45.933150  lkdtm:STACK_GUARD_PAGE_LEADING.sh
 1334 10:57:45.933432  lkdtm:STACK_GUARD_PAGE_TRAILING.sh
 1335 10:57:45.933713  lkdtm:UNSET_SMEP.sh
 1336 10:57:45.933994  lkdtm:DOUBLE_FAULT.sh
 1337 10:57:45.934273  lkdtm:CORRUPT_PAC.sh
 1338 10:57:45.934553  lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh
 1339 10:57:45.934835  lkdtm:OVERWRITE_ALLOCATION.sh
 1340 10:57:45.972219  lkdtm:WRITE_AFTER_FREE.sh
 1341 10:57:45.972784  lkdtm:READ_AFTER_FREE.sh
 1342 10:57:45.973136  lkdtm:WRITE_BUDDY_AFTER_FREE.sh
 1343 10:57:45.973465  lkdtm:READ_BUDDY_AFTER_FREE.sh
 1344 10:57:45.973779  lkdtm:SLAB_FREE_DOUBLE.sh
 1345 10:57:45.974082  lkdtm:SLAB_FREE_CROSS.sh
 1346 10:57:45.974377  lkdtm:SLAB_FREE_PAGE.sh
 1347 10:57:45.974667  lkdtm:SOFTLOCKUP.sh
 1348 10:57:45.974956  lkdtm:HARDLOCKUP.sh
 1349 10:57:45.975291  lkdtm:SPINLOCKUP.sh
 1350 10:57:45.975584  lkdtm:HUNG_TASK.sh
 1351 10:57:45.975870  lkdtm:EXEC_DATA.sh
 1352 10:57:45.976158  lkdtm:EXEC_STACK.sh
 1353 10:57:45.976477  lkdtm:EXEC_KMALLOC.sh
 1354 10:57:45.976783  lkdtm:EXEC_VMALLOC.sh
 1355 10:57:45.977068  lkdtm:EXEC_RODATA.sh
 1356 10:57:45.977346  lkdtm:EXEC_USERSPACE.sh
 1357 10:57:45.977627  lkdtm:EXEC_NULL.sh
 1358 10:57:45.977908  lkdtm:ACCESS_USERSPACE.sh
 1359 10:57:45.978194  lkdtm:ACCESS_NULL.sh
 1360 10:57:46.015082  lkdtm:WRITE_RO.sh
 1361 10:57:46.015622  lkdtm:WRITE_RO_AFTER_INIT.sh
 1362 10:57:46.016011  lkdtm:WRITE_KERN.sh
 1363 10:57:46.016339  lkdtm:REFCOUNT_INC_OVERFLOW.sh
 1364 10:57:46.016652  lkdtm:REFCOUNT_ADD_OVERFLOW.sh
 1365 10:57:46.016985  lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh
 1366 10:57:46.017301  lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh
 1367 10:57:46.017616  lkdtm:REFCOUNT_DEC_ZERO.sh
 1368 10:57:46.017908  lkdtm:REFCOUNT_DEC_NEGATIVE.sh
 1369 10:57:46.018197  lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh
 1370 10:57:46.018484  lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh
 1371 10:57:46.018771  lkdtm:REFCOUNT_INC_ZERO.sh
 1372 10:57:46.019056  lkdtm:REFCOUNT_ADD_ZERO.sh
 1373 10:57:46.019375  lkdtm:REFCOUNT_INC_SATURATED.sh
 1374 10:57:46.019663  lkdtm:REFCOUNT_DEC_SATURATED.sh
 1375 10:57:46.019947  lkdtm:REFCOUNT_ADD_SATURATED.sh
 1376 10:57:46.058295  
 1377 10:57:46.058832  lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh
 1378 10:57:46.059185  lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh
 1379 10:57:46.059513  lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh
 1380 10:57:46.059823  lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh
 1381 10:57:46.060126  lkdtm:REFCOUNT_TIMING.sh
 1382 10:57:46.060420  lkdtm:ATOMIC_TIMING.sh
 1383 10:57:46.060738  lkdtm:USERCOPY_HEAP_SIZE_TO.sh
 1384 10:57:46.061033  lkdtm:USERCOPY_HEAP_SIZE_FROM.sh
 1385 10:57:46.061319  lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh
 1386 10:57:46.061607  lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh
 1387 10:57:46.061889  lkdtm:USERCOPY_STACK_FRAME_TO.sh
 1388 10:57:46.062172  lkdtm:USERCOPY_STACK_FRAME_FROM.sh
 1389 10:57:46.062454  lkdtm:USERCOPY_STACK_BEYOND.sh
 1390 10:57:46.062736  lkdtm:USERCOPY_KERNEL.sh
 1391 10:57:46.101354  lkdtm:STACKLEAK_ERASING.sh
 1392 10:57:46.101891  lkdtm:CFI_FORWARD_PROTO.sh
 1393 10:57:46.102249  ===========End Tests to run ===============
 1394 10:57:48.315188  [  102.094925] kselftest: Running tests in lkdtm
 1395 10:57:48.347145  TAP version 13
 1396 10:57:48.395033  1..70
 1397 10:57:48.442913  # selftests: lkdtm: PANIC.sh
 1398 10:57:48.778374  # Skipping PANIC: crashes entire system
 1399 10:57:48.794344  ok 1 selftests: lkdtm: PANIC.sh # SKIP
 1400 10:57:48.842216  # selftests: lkdtm: BUG.sh
 1401 10:57:49.225417  [  102.974933] lkdtm: Performing direct entry BUG
 1402 10:57:49.225956  [  102.979650] ------------[ cut here ]------------
 1403 10:57:49.226307  [  102.984286] kernel BUG at drivers/misc/lkdtm/bugs.c:76!
 1404 10:57:49.226634  [  102.989538] Internal error: Oops - BUG: 0 [#1] SMP ARM
 1405 10:57:49.268963  [  102.994700] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3
 1406 10:57:49.269523  [  103.023997] CPU: 3 PID: 803 Comm: cat Not tainted 5.10.155-cip21 #1
 1407 10:57:49.269881  [  103.030288] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 1408 10:57:49.270213  [  103.036861] PC is at lkdtm_BUG+0x14/0x18
 1409 10:57:49.270527  [  103.040820] LR is at lkdtm_do_action+0x2c/0x4c
 1410 10:57:49.270835  [  103.045289] pc : [<c0c2f5a8>]    lr : [<c0c2f028>]    psr: a00e0013
 1411 10:57:49.271138  [  103.051578] sp : c6affe58  ip : c6affe68  fp : c6affe64
 1412 10:57:49.271434  [  103.056824] r10: 00000004  r9 : c1ad0900  r8 : c15e8634
 1413 10:57:49.312245  [  103.062072] r7 : c6afff60  r6 : 00000004  r5 : c5a4a000  r4 : 00000001
 1414 10:57:49.312820  [  103.068621] r3 : c0c2f594  r2 : 73830706  r1 : ef7c05e0  r0 : c15e863c
 1415 10:57:49.313179  [  103.075174] Flags: NzCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 1416 10:57:49.313506  [  103.082334] Control: 10c5387d  Table: 16f1c04a  DAC: 00000051
 1417 10:57:49.313819  [  103.088107] Process cat (pid: 803, stack limit = 0xdf0768cc)
 1418 10:57:49.314126  [  103.093790] Stack: (0xc6affe58 to 0xc6b00000)
 1419 10:57:49.355455  [  103.098175] fe40:                                                       c6affe74 c6affe68
 1420 10:57:49.355999  [  103.106386] fe60: c0c2f028 c0c2f5a0 c6affe9c c6affe78 c0c2f528 c0c2f008 c0c2f408 c5a30f00
 1421 10:57:49.356352  [  103.114597] fe80: b6e2c000 00000004 c513d000 c6afff60 c6affec4 c6affea0 c07f6038 c0c2f414
 1422 10:57:49.356705  [  103.122806] fea0: 00000000 c5a30f00 b6e2c000 c2816000 c6afff60 c07f5fd4 c6afff5c c6affec8
 1423 10:57:49.357032  [  103.131015] fec0: c0598ab8 c07f5fe0 00000001 00000000 c059904c c13a1a78 c059904c c6afe000
 1424 10:57:49.357338  [  103.139223] fee0: b6e2c000 00020000 00000004 00000004 0001fffc c6affee0 00000001 b6e2b000
 1425 10:57:49.398734  [  103.147431] ff00: c5aa5b80 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 1426 10:57:49.399274  [  103.155638] ff20: 00000000 00000000 c13a1a78 73830706 c205cf60 c5a30f00 c5a30f00 c6afe000
 1427 10:57:49.399626  [  103.163848] ff40: b6e2c000 00000000 00000000 00000004 c6afff94 c6afff60 c059904c c05989b8
 1428 10:57:49.399950  [  103.172057] ff60: 00000000 00000000 c6afffac 73830706 00000004 00000004 b6f73e00 00000004
 1429 10:57:49.400262  [  103.180264] ff80: c03002e4 c6afe000 c6afffa4 c6afff98 c05990dc c0598fe4 00000000 c6afffa8
 1430 10:57:49.442245  [  103.188473] ffa0: c03000c0 c05990d0 00000004 00000004 00000001 b6e2c000 00000004 00000000
 1431 10:57:49.442788  [  103.196680] ffc0: 00000004 00000004 b6f73e00 00000004 00000001 00000000 00020000 bedf5a54
 1432 10:57:49.443140  [  103.204890] ffe0: 00000004 bedf5788 b6ede4cf b6e647e6 800e0030 00000001 00000000 00000000
 1433 10:57:49.443467  [  103.213086] Backtrace: 
 1434 10:57:49.443776  [  103.215591] [<c0c2f594>] (lkdtm_BUG) from [<c0c2f028>] (lkdtm_do_action+0x2c/0x4c)
 1435 10:57:49.444081  [  103.223206] [<c0c2effc>] (lkdtm_do_action) from [<c0c2f528>] (direct_entry+0x120/0x18c)
 1436 10:57:49.485647  [  103.231255] [<c0c2f408>] (direct_entry) from [<c07f6038>] (full_proxy_write+0x64/0x94)
 1437 10:57:49.486189  [  103.239208]  r9:c6afff60 r8:c513d000 r7:00000004 r6:b6e2c000 r5:c5a30f00 r4:c0c2f408
 1438 10:57:49.486546  [  103.246996] [<c07f5fd4>] (full_proxy_write) from [<c0598ab8>] (vfs_write+0x10c/0x524)
 1439 10:57:49.486875  [  103.254859]  r9:c07f5fd4 r8:c6afff60 r7:c2816000 r6:b6e2c000 r5:c5a30f00 r4:00000000
 1440 10:57:49.487192  [  103.262638] [<c05989ac>] (vfs_write) from [<c059904c>] (ksys_write+0x74/0xec)
 1441 10:57:49.487497  [  103.269807]  r10:00000004 r9:00000000 r8:00000000 r7:b6e2c000 r6:c6afe000 r5:c5a30f00
 1442 10:57:49.528998  [  103.277658]  r4:c5a30f00
 1443 10:57:49.529536  [  103.280228] [<c0598fd8>] (ksys_write) from [<c05990dc>] (sys_write+0x18/0x1c)
 1444 10:57:49.529887  [  103.287394]  r9:c6afe000 r8:c03002e4 r7:00000004 r6:b6f73e00 r5:00000004 r4:00000004
 1445 10:57:49.530216  [  103.295176] [<c05990c4>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 1446 10:57:49.530529  [  103.302768] Exception stack(0xc6afffa8 to 0xc6affff0)
 1447 10:57:49.530834  [  103.307851] ffa0:                   00000004 00000004 00000001 b6e2c000 00000004 00000000
 1448 10:57:49.572407  [  103.316061] ffc0: 00000004 00000004 b6f73e00 00000004 00000001 00000000 00020000 bedf5a54
 1449 10:57:49.572983  [  103.324263] ffe0: 00000004 bedf5788 b6ede4cf b6e647e6
 1450 10:57:49.573340  [  103.329346] Code: e92dd800 e24cb004 e52de004 e8bd4000 (e7f001f2) 
 1451 10:57:49.573667  [  103.335474] ---[ end trace cf55c2bf51e529c3 ]---
 1452 10:57:49.573982  [  103.340121] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49
 1453 10:57:49.574292  [  103.349018] in_atomic(): 0, irqs_disabled(): 128, non_block: 0, pid: 803, name: cat
 1454 10:57:49.574599  [  103.356693] INFO: lockdep is turned off.
 1455 10:57:49.574896  [  103.360636] irq event stamp: 1544
 1456 10:57:49.615727  [  103.363996] hardirqs last  enabled at (1543): [<c03d5080>] console_unlock+0x4b0/0x6c0
 1457 10:57:49.616268  [  103.371858] hardirqs last disabled at (1544): [<c0300c60>] __und_svc+0x60/0x6c
 1458 10:57:49.616622  [  103.379117] softirqs last  enabled at (1056): [<c10c45bc>] release_sock+0x8c/0xa8
 1459 10:57:49.616985  [  103.386629] softirqs last disabled at (1054): [<c10c4558>] release_sock+0x28/0xa8
 1460 10:57:49.617300  [  103.394141] CPU: 3 PID: 803 Comm: cat Tainted: G      D           5.10.155-cip21 #1
 1461 10:57:49.617606  [  103.401817] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 1462 10:57:49.658723  [  103.408362] Backtrace: 
 1463 10:57:49.659224  [  103.410873] [<c137e7e8>] (dump_backtrace) from [<c137eba8>] (show_stack+0x20/0x24)
 1464 10:57:49.659585  [  103.418473]  r7:ffffffff r6:600e0093 r5:00000000 r4:c1f0f7b4
 1465 10:57:49.659914  [  103.424174] [<c137eb88>] (show_stack) from [<c1385d24>] (dump_stack+0xe0/0x100)
 1466 10:57:49.660231  [  103.431533] [<c1385c44>] (dump_stack) from [<c038e50c>] (___might_sleep+0x1b0/0x2c0)
 1467 10:57:49.660536  [  103.439308]  r9:600e0093 r8:0000000b r7:c035bb84 r6:00000031 r5:c19cd104 r4:c6afe000
 1468 10:57:49.702439  [  103.447087] [<c038e35c>] (___might_sleep) from [<c038e68c>] (__might_sleep+0x70/0xb0)
 1469 10:57:49.702984  [  103.454942]  r6:00000000 r5:00000031 r4:c19cd104
 1470 10:57:49.703336  [  103.459608] [<c038e61c>] (__might_sleep) from [<c036cd0c>] (exit_signals+0x4c/0x3fc)
 1471 10:57:49.703667  [  103.467377]  r6:00000001 r5:c6afe000 r4:c5a6d100
 1472 10:57:49.703984  [  103.472041] [<c036ccc0>] (exit_signals) from [<c035bb84>] (do_exit+0x10c/0xb4c)
 1473 10:57:49.704291  [  103.479383]  r8:0000000b r7:c1e0fc8c r6:ffffe000 r5:00000000 r4:c5a6d100
 1474 10:57:49.704591  [  103.486122] [<c035ba78>] (do_exit) from [<c030ea88>] (die+0x374/0x380)
 1475 10:57:49.704921  [  103.492671]  r7:c1e0fc8c
 1476 10:57:49.745555  [  103.495236] [<c030e714>] (die) from [<c030ec04>] (do_undefinstr+0x170/0x240)
 1477 10:57:49.746100  [  103.502316]  r10:00000004 r9:c6afe000 r8:c15e8634 r7:00000000 r6:c6affdc8 r5:c0c2f5a8
 1478 10:57:49.746454  [  103.510165]  r4:e7f001f2
 1479 10:57:49.746783  [  103.512735] [<c030ea94>] (do_undefinstr) from [<c0300c6c>] (__und_svc_finish+0x0/0x54)
 1480 10:57:49.747100  [  103.520674] Exception stack(0xc6affdc8 to 0xc6affe10)
 1481 10:57:49.747404  [  103.525757] fdc0:                   c15e863c ef7c05e0 73830706 c0c2f594 00000001 c5a4a000
 1482 10:57:49.789277  [  103.533967] fde0: 00000004 c6afff60 c15e8634 c1ad0900 00000004 c6affe64 c6affe68 c6affe58
 1483 10:57:49.789822  [  103.542170] fe00: c0c2f028 c0c2f5a8 a00e0013 ffffffff
 1484 10:57:49.790176  [  103.547250]  r7:c6affdfc r6:ffffffff r5:a00e0013 r4:c0c2f5ac
 1485 10:57:49.790502  [  103.552954] [<c0c2f594>] (lkdtm_BUG) from [<c0c2f028>] (lkdtm_do_action+0x2c/0x4c)
 1486 10:57:49.790820  [  103.560562] [<c0c2effc>] (lkdtm_do_action) from [<c0c2f528>] (direct_entry+0x120/0x18c)
 1487 10:57:49.791128  [  103.568605] [<c0c2f408>] (direct_entry) from [<c07f6038>] (full_proxy_write+0x64/0x94)
 1488 10:57:49.832687  [  103.576553]  r9:c6afff60 r8:c513d000 r7:00000004 r6:b6e2c000 r5:c5a30f00 r4:c0c2f408
 1489 10:57:49.833230  [  103.584334] [<c07f5fd4>] (full_proxy_write) from [<c0598ab8>] (vfs_write+0x10c/0x524)
 1490 10:57:49.833578  [  103.592195]  r9:c07f5fd4 r8:c6afff60 r7:c2816000 r6:b6e2c000 r5:c5a30f00 r4:00000000
 1491 10:57:49.833898  [  103.599971] [<c05989ac>] (vfs_write) from [<c059904c>] (ksys_write+0x74/0xec)
 1492 10:57:49.834206  [  103.607137]  r10:00000004 r9:00000000 r8:00000000 r7:b6e2c000 r6:c6afe000 r5:c5a30f00
 1493 10:57:49.834501  [  103.614986]  r4:c5a30f00
 1494 10:57:49.834789  [  103.617554] [<c0598fd8>] (ksys_write) from [<c05990dc>] (sys_write+0x18/0x1c)
 1495 10:57:49.885654  [  103.624720]  r9:c6afe000 r8:c03002e4 r7:00000004 r6:b6f73e00 r5:00000004 r4:00000004
 1496 10:57:49.885842  [  103.632497] [<c05990c4>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 1497 10:57:49.885911  [  103.640087] Exception stack(0xc6afffa8 to 0xc6affff0)
 1498 10:57:49.885973  [  103.645168] ffa0:                   00000004 00000004 00000001 b6e2c000 00000004 00000000
 1499 10:57:49.886038  [  103.653377] ffc0: 00000004 00000004 b6f73e00 00000004 00000001 00000000 00020000 bedf5a54
 1500 10:57:49.886095  [  103.661579] ffe0: 00000004 bedf5788 b6ede4cf b6e647e6
 1501 10:57:49.886152  # Segmentation fault
 1502 10:57:49.966260  # [  102.974933] lkdtm: Performing direct entry BUG
 1503 10:57:49.966393  # [  102.979650] ------------[ cut here ]------------
 1504 10:57:49.966468  # [  102.984286] kernel BUG at drivers/misc/lkdtm/bugs.c:76!
 1505 10:57:49.966533  # [  102.989538] Internal error: Oops - BUG: 0 [#1] SMP ARM
 1506 10:57:50.009526  # [  102.994700] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3
 1507 10:57:50.009944  # [  103.023997] CPU: 3 PID: 803 Comm: cat Not tainted 5.10.155-cip21 #1
 1508 10:57:50.010278  # [  103.030288] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 1509 10:57:50.010566  # [  103.036861] PC is at lkdtm_BUG+0x14/0x18
 1510 10:57:50.010841  # [  103.040820] LR is at lkdtm_do_action+0x2c/0x4c
 1511 10:57:50.011108  # [  103.045289] pc : [<c0c2f5a8>]    lr : [<c0c2f028>]    psr: a00e0013
 1512 10:57:50.011387  # [  103.051578] sp : c6affe58  ip : c6affe68  fp : c6affe64
 1513 10:57:50.053278  # [  103.056824] r10: 00000004  r9 : c1ad0900  r8 : c15e8634
 1514 10:57:50.053786  # [  103.062072] r7 : c6afff60  r6 : 00000004  r5 : c5a4a000  r4 : 00000001
 1515 10:57:50.054114  # [  103.068621] r3 : c0c2f594  r2 : 73830706  r1 : ef7c05e0  r0 : c15e863c
 1516 10:57:50.054415  # [  103.075174] Flags: NzCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 1517 10:57:50.054707  # [  103.082334] Control: 10c5387d  Table: 16f1c04a  DAC: 00000051
 1518 10:57:50.054990  # [  103.088107] Process cat (pid: 803, stack limit = 0xdf0768cc)
 1519 10:57:50.055269  # [  103.093790] Stack: (0xc6affe58 to 0xc6b00000)
 1520 10:57:50.097192  # [  103.098175] fe40:                                                       c6affe74 c6affe68
 1521 10:57:50.097703  # [  103.106386] fe60: c0c2f028 c0c2f5a0 c6affe9c c6affe78 c0c2f528 c0c2f008 c0c2f408 c5a30f00
 1522 10:57:50.098034  # [  103.114597] fe80: b6e2c000 00000004 c513d000 c6afff60 c6affec4 c6affea0 c07f6038 c0c2f414
 1523 10:57:50.098336  # [  103.122806] fea0: 00000000 c5a30f00 b6e2c000 c2816000 c6afff60 c07f5fd4 c6afff5c c6affec8
 1524 10:57:50.098624  # [  103.131015] fec0: c0598ab8 c07f5fe0 00000001 00000000 c059904c c13a1a78 c059904c c6afe000
 1525 10:57:50.141352  # [  103.139223] fee0: b6e2c000 00020000 00000004 00000004 0001fffc c6affee0 00000001 b6e2b000
 1526 10:57:50.141898  # [  103.147431] ff00: c5aa5b80 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 1527 10:57:50.142258  # [  103.155638] ff20: 00000000 00000000 c13a1a78 73830706 c205cf60 c5a30f00 c5a30f00 c6afe000
 1528 10:57:50.142589  # [  103.163848] ff40: b6e2c000 00000000 00000000 00000004 c6afff94 c6afff60 c059904c c05989b8
 1529 10:57:50.142903  # [  103.172057] ff60: 00000000 00000000 c6afffac 73830706 00000004 00000004 b6f73e00 00000004
 1530 10:57:50.185109  # [  103.180264] ff80: c03002e4 c6afe000 c6afffa4 c6afff98 c05990dc c0598fe4 00000000 c6afffa8
 1531 10:57:50.185673  # [  103.188473] ffa0: c03000c0 c05990d0 00000004 00000004 00000001 b6e2c000 00000004 00000000
 1532 10:57:50.186045  # [  103.196680] ffc0: 00000004 00000004 b6f73e00 00000004 00000001 00000000 00020000 bedf5a54
 1533 10:57:50.186382  # [  103.204890] ffe0: 00000004 bedf5788 b6ede4cf b6e647e6 800e0030 00000001 00000000 00000000
 1534 10:57:50.186740  # [  103.213086] Backtrace: 
 1535 10:57:50.187076  # [  103.215591] [<c0c2f594>] (lkdtm_BUG) from [<c0c2f028>] (lkdtm_do_action+0x2c/0x4c)
 1536 10:57:50.232828  # [  103.223206] [<c0c2effc>] (lkdtm_do_action) from [<c0c2f528>] (direct_entry+0x120/0x18c)
 1537 10:57:50.233006  # [  103.231255] [<c0c2f408>] (direct_entry) from [<c07f6038>] (full_proxy_write+0x64/0x94)
 1538 10:57:50.233078  # [  103.239208]  r9:c6afff60 r8:c513d000 r7:00000004 r6:b6e2c000 r5:c5a30f00 r4:c0c2f408
 1539 10:57:50.233145  # [  103.246996] [<c07f5fd4>] (full_proxy_write) from [<c0598ab8>] (vfs_write+0x10c/0x524)
 1540 10:57:50.233209  # [  103.254859]  r9:c07f5fd4 r8:c6afff60 r7:c2816000 r6:b6e2c000 r5:c5a30f00 r4:00000000
 1541 10:57:50.233272  # [  103.262638] [<c05989ac>] (vfs_write) from [<c059904c>] (ksys_write+0x74/0xec)
 1542 10:57:50.273149  # [  103.269807]  r10:00000004 r9:00000000 r8:00000000 r7:b6e2c000 r6:c6afe000 r5:c5a30f00
 1543 10:57:50.273406  # [  103.277658]  r4:c5a30f00
 1544 10:57:50.273558  # [  103.280228] [<c0598fd8>] (ksys_write) from [<c05990dc>] (sys_write+0x18/0x1c)
 1545 10:57:50.273719  # [  103.287394]  r9:c6afe000 r8:c03002e4 r7:00000004 r6:b6f73e00 r5:00000004 r4:00000004
 1546 10:57:50.273858  # [  103.295176] [<c05990c4>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 1547 10:57:50.273988  # [  103.302768] Exception stack(0xc6afffa8 to 0xc6affff0)
 1548 10:57:50.317351  # [  103.307851] ffa0:                   00000004 00000004 00000001 b6e2c000 00000004 00000000
 1549 10:57:50.317857  # [  103.316061] ffc0: 00000004 00000004 b6f73e00 00000004 00000001 00000000 00020000 bedf5a54
 1550 10:57:50.318233  # [  103.324263] ffe0: 00000004 bedf5788 b6ede4cf b6e647e6
 1551 10:57:50.318563  # [  103.329346] Code: e92dd800 e24cb004 e52de004 e8bd4000 (e7f001f2) 
 1552 10:57:50.318878  # [  103.335474] ---[ end trace cf55c2bf51e529c3 ]---
 1553 10:57:50.319182  # [  103.340121] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49
 1554 10:57:50.361335  # [  103.349018] in_atomic(): 0, irqs_disabled(): 128, non_block: 0, pid: 803, name: cat
 1555 10:57:50.361882  # [  103.356693] INFO: lockdep is turned off.
 1556 10:57:50.362242  # [  103.360636] irq event stamp: 1544
 1557 10:57:50.362565  # [  103.363996] hardirqs last  enabled at (1543): [<c03d5080>] console_unlock+0x4b0/0x6c0
 1558 10:57:50.362880  # [  103.371858] hardirqs last disabled at (1544): [<c0300c60>] __und_svc+0x60/0x6c
 1559 10:57:50.363188  # [  103.379117] softirqs last  enabled at (1056): [<c10c45bc>] release_sock+0x8[  104.133340] lkdtm: Performing direct entry WARNING
 1560 10:57:50.363491  c/0xa8
 1561 10:57:50.363785  # [  103.386629] softirqs[  104.139819] ------------[ cut here ]------------
 1562 10:57:50.405354   last disabled at (1054): [<c10c4[  104.147406] WARNING: CPU: 3 PID: 874 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x48/0x4c
 1563 10:57:50.405899  558>] release_sock+0x28/0xa8
 1564 10:57:50.406261  # [[  104.158717] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3
 1565 10:57:50.449339    103.394141] CPU: 3 PID: 803 Com[  104.190357] CPU: 3 PID: 874 Comm: cat Tainted: G      D W         5.10.155-cip21 #1
 1566 10:57:50.449888  m: cat Tainted: G      D         [  104.200826] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 1567 10:57:50.450250    5.10.155-cip21 #1
 1568 10:57:50.450573  # [  103.401[  104.210216] Backtrace: 
 1569 10:57:50.450886  817] Hardware name: Freescale i.M[  104.215547] [<c137e7e8>] (dump_backtrace) from [<c137eba8>] (show_stack+0x20/0x24)
 1570 10:57:50.451200  X6 Quad/DualLite (Device Tree)
 1571 10:57:50.493340  #[  104.225964]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4
 1572 10:57:50.493883   [  103.408362] Backtrace: 
 1573 10:57:50.494241  # [ [  104.234491] [<c137eb88>] (show_stack) from [<c1385d24>] (dump_stack+0xe0/0x100)
 1574 10:57:50.494573   103.410873] [<c137e7e8>] (dump_b[  104.244662] [<c1385c44>] (dump_stack) from [<c03566f0>] (__warn+0xfc/0x16c)
 1575 10:57:50.494889  acktrace) from [<c137eba8>] (show[  104.254481]  r9:00000009 r8:c0c2f5f4 r7:00000053 r6:00000009 r5:c0c2f5f4 r4:c1ad0fbc
 1576 10:57:50.495200  _stack+0x20/0x24)
 1577 10:57:50.495497  # [  103.41847[  104.265089] [<c03565f4>] (__warn) from [<c137fcc8>] (warn_slowpath_fmt+0x8c/0xa8)
 1578 10:57:50.537337  3]  r7:ffffffff r6:600e0093 r5:00[  104.275428]  r7:00000053 r6:c1ad0fbc r5:00000000 r4:c696e000
 1579 10:57:50.537890  000000 r4:c1f0f7b4
 1580 10:57:50.538250  # [  103.4241[  104.283955] [<c137fc40>] (warn_slowpath_fmt) from [<c0c2f5f4>] (lkdtm_WARNING+0x48/0x4c)
 1581 10:57:50.538579  74] [<c137eb88>] (show_stack) fro[  104.294901]  r9:c1ad0904 r8:c15e8634 r7:c696ff60 r6:00000008 r5:c6c40000 r4:00000002
 1582 10:57:50.538903  m [<c1385d24>] (dump_stack+0xe0/0[  104.305511] [<c0c2f5ac>] (lkdtm_WARNING) from [<c0c2f028>] (lkdtm_do_action+0x2c/0x4c)
 1583 10:57:50.539207  x100)
 1584 10:57:50.581323  # [  103.431533] [<c1385c4[  104.316287] [<c0c2effc>] (lkdtm_do_action) from [<c0c2f528>] (direct_entry+0x120/0x18c)
 1585 10:57:50.581874  4>] (dump_stack) from [<c038e50c>[  104.327157] [<c0c2f408>] (direct_entry) from [<c07f6038>] (full_proxy_write+0x64/0x94)
 1586 10:57:50.582246  ] (___might_sleep+0x1b0/0x2c0)
 1587 10:57:50.582572  #[  104.337928]  r9:c696ff60 r8:c513d000 r7:00000008 r6:b6dd0000 r5:c5a303c0 r4:c0c2f408
 1588 10:57:50.582891   [  103.439308]  r9:600e0093 r8:0[  104.348539] [<c07f5fd4>] (full_proxy_write) from [<c0598ab8>] (vfs_write+0x10c/0x524)
 1589 10:57:50.625457  000000b r7:c035bb84 r6:00000031 r[  104.359225]  r9:c07f5fd4 r8:c696ff60 r7:c2816000 r6:b6dd0000 r5:c5a303c0 r4:00000000
 1590 10:57:50.626008  5:c19cd104 r4:c6afe000
 1591 10:57:50.626369  # [  103.[  104.369832] [<c05989ac>] (vfs_write) from [<c059904c>] (ksys_write+0x74/0xec)
 1592 10:57:50.626700  447087] [<c038e35c>] (___might_sl[  104.379829]  r10:00000004 r9:00000000 r8:00000000 r7:b6dd0000 r6:c696e000 r5:c5a303c0
 1593 10:57:50.627026  eep) from [<c038e68c>] (__might_s[  104.390515]  r4:c5a303c0
 1594 10:57:50.627332  leep+0x70/0xb0)
 1595 10:57:50.627630  # [  103.454942][  104.395918] [<c0598fd8>] (ksys_write) from [<c05990dc>] (sys_write+0x18/0x1c)
 1596 10:57:50.669446    r6:00000000 r5:00000031 r4:c19c[  104.405914]  r9:c696e000 r8:c03002e4 r7:00000004 r6:b6f17e00 r5:00000008 r4:00000008
 1597 10:57:50.669959  d104
 1598 10:57:50.670317  # [  103.459608] [<c038e61c[  104.416522] [<c05990c4>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 1599 10:57:50.670651  >] (__might_sleep) from [<c036cd0[  104.426948] Exception stack(0xc696ffa8 to 0xc696fff0)
 1600 10:57:50.670969  c>] (exit_signals+0x4c/0x3fc)
 1601 10:57:50.671281  # [  104.434866] ffa0:                   00000008 00000008 00000001 b6dd0000 00000008 00000000
 1602 10:57:50.712922  [  103.467377]  r6:00000001 r5:c6[  104.445906] ffc0: 00000008 00000008 b6f17e00 00000004 00000001 00000000 00020000 beecea54
 1603 10:57:50.713078  afe000 r4:c5a6d100
 1604 10:57:50.713148  # [  103.4720[  104.456943] ffe0: 00000004 beece788 b6e824cf b6e087e6
 1605 10:57:50.713252  41] [<c036ccc0>] (exit_signals) f[  104.464924] irq event stamp: 0
 1606 10:57:50.713342  rom [<c035bb84>] (do_exit+0x10c/0[  104.470779] hardirqs last  enabled at (0): [<00000000>] 0x0
 1607 10:57:50.713429  xb4c)
 1608 10:57:50.713502  # [  103.479383]  r8:00000[  104.479262] hardirqs last disabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 1609 10:57:50.757009  00b r7:c1e0fc8c r6:ffffe000 r5:00[  104.489594] softirqs last  enabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 1610 10:57:50.757265  000000 r4:c5a6d100
 1611 10:57:50.757411  # [  103.4861[  104.499983] softirqs last disabled at (0): [<00000000>] 0x0
 1612 10:57:50.757562  22] [<c035ba78>] (do_exit) from [[  104.508378] ---[ end trace cf55c2bf51e529c4 ]---
 1613 10:57:50.757707  <c030ea88>] (die+0x374/0x380)
 1614 10:57:50.757835  # [  103.492671]  r7:c1e0fc8c
 1615 10:57:50.757952  # [  103.495236] [<c030e714>] (die) from [<c030ec04>] (do_undefinstr+0x170/0x240)
 1616 10:57:50.801381  # [  103.502316]  r10:00000004 r9:c6afe000 r8:c15e8634 r7:00000000 r6:c6affdc8 r5:c0c2f5a8
 1617 10:57:50.801925  # [  103.510165]  r4:e7f001f2
 1618 10:57:50.802280  # [  103.512735] [<c030ea94>] (do_undefinstr) from [<c0300c6c>] (__und_svc_finish+0x0/0x54)
 1619 10:57:50.802604  # [  103.520674] Exception stack(0xc6affdc8 to 0xc6affe10)
 1620 10:57:50.802918  # [  103.525757] fdc0:                   c15e863c ef7c05e0 73830706 c0c2f594 00000001 c5a4a000
 1621 10:57:50.803223  # [  103.533967] fde0: 00000004 c6afff60 c15e8634 c1ad0900 00000004 c6affe64 c6affe68 c6affe58
 1622 10:57:50.803524  # [  103.542170] fe00: c0c2f028 c0c2f5a8 a00e0013 ffffffff
 1623 10:57:50.845339  # [  103.547250]  r7:c6affdfc r6:ffffffff r5:a00e0013 r4:c0c2f5ac
 1624 10:57:50.845924  # [  103.552954] [<c0c2f594>] (lkdtm_BUG) from [<c0c2f028>] (lkdtm_do_action+0x2c/0x4c)
 1625 10:57:50.846300  # [  103.560562] [<c0c2effc>] (lkdtm_do_action) from [<c0c2f528>] (direct_entry+0x120/0x18c)
 1626 10:57:50.846652  # [  103.568605] [<c0c2f408>] (direct_entry) from [<c07f6038>] (full_proxy_write+0x64/0x94)
 1627 10:57:50.846967  # [  103.576553]  r9:c6afff60 r8:c513d000 r7:00000004 r6:b6e2c000 r5:c5a30f00 r4:c0c2f408
 1628 10:57:50.847274  # [  103.584334] [<c07f5fd4>] (full_proxy_write) from [<c0598ab8>] (vfs_write+0x10c/0x524)
 1629 10:57:50.889221  # [  103.592195]  r9:c07f5fd4 r8:c6afff60 r7:c2816000 r6:b6e2c000 r5:c5a30f00 r4:00000000
 1630 10:57:50.889784  # [  103.599971] [<c05989ac>] (vfs_write) from [<c059904c>] (ksys_write+0x74/0xec)
 1631 10:57:50.890163  # [  103.607137]  r10:00000004 r9:00000000 r8:00000000 r7:b6e2c000 r6:c6afe000 r5:c5a30f00
 1632 10:57:50.890526  # [  103.614986]  r4:c5a30f00
 1633 10:57:50.890865  # [  103.617554] [<c0598fd8>] (ksys_write) from [<c05990dc>] (sys_write+0x18/0x1c)
 1634 10:57:50.891203  # [  103.624720]  r9:c6afe000 r8:c03002e4 r7:00000004 r6:b6f73e00 r5:00000004 r4:00000004
 1635 10:57:50.933215  # [  103.632497] [<c05990c4>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 1636 10:57:50.933760  # [  103.640087] Exception stack(0xc6afffa8 to 0xc6affff0)
 1637 10:57:50.934118  # [  103.645168] ffa0:                   00000004 00000004 00000001 b6e2c000 00000004 00000000
 1638 10:57:50.934448  # [  103.653377] ffc0: 00000004 00000004 b6f73e00 00000004 00000001 00000000 00020000 bedf5a54
 1639 10:57:50.934766  # [  103.661579] ffe0: 00000004 bedf5788 b6ede4cf b6e647e6
 1640 10:57:50.935071  # BUG: saw 'kernel BUG at': ok
 1641 10:57:50.935369  ok 2 selftests: lkdtm: BUG.sh
 1642 10:57:50.935664  # selftests: lkdtm: WARNING.sh
 1643 10:57:50.977130  # [  104.133340] lkdtm: Performing direct entry WARNING
 1644 10:57:50.977701  # [  104.139819] ------------[ cut here ]------------
 1645 10:57:50.978061  # [  104.147406] WARNING: CPU: 3 PID: 874 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x48/0x4c
 1646 10:57:50.978392  # [  104.158717] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3
 1647 10:57:51.021218  # [  104.190357] CPU: 3 PID: 874 Comm: cat Tainted: G      D W         5.10.155-cip21 #1
 1648 10:57:51.021765  # [  104.200826] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 1649 10:57:51.022129  # [  104.210216] Backtrace: 
 1650 10:57:51.022457  # [  104.215547] [<c137e7e8>] (dump_backtrace) from [<c137eba8>] (show_stack+0x20/0x24)
 1651 10:57:51.022775  # [  104.225964]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4
 1652 10:57:51.023083  # [  104.234491] [<c137eb88>] (show_stack) from [<c1385d24>] (dump_stack+0xe0/0x100)
 1653 10:57:51.065309  # [  104.244662] [<c1385c44>] (dump_stack) from [<c03566f0>] (__warn+0xfc/0x16c)
 1654 10:57:51.065853  # [  104.254481]  r9:00000009 r8:c0c2f5f4 r7:00000053 r6:00000009 r5:c0c2f5f4 r4:c1ad0fbc
 1655 10:57:51.066211  # [  104.265089] [<c03565f4>] (__warn) from [<c137fcc8>] (warn_slowpath_fmt+0x8c/0xa8)
 1656 10:57:51.066540  # [  104.275428]  r7:00000053 r6:c1ad0fbc r5:00000000 r4:c696e000
 1657 10:57:51.066854  # [  104.283955] [<c137fc40>] (warn_slowpath_fmt) from [<c0c2f5f4>] (lkdtm_WARNING+0x48/0x4c)
 1658 10:57:51.067163  # [  104.294901]  r9:c1ad0904 r8:c15e8634 r7:c696ff60 r6:00000008 r5:c6c40000 r4:00000002
 1659 10:57:51.109124  # [  104.305511] [<c0c2f5ac>] (lkdtm_WARNING) from [<c0c2f028>] (lkdtm_do_action+0x2c/0x4c)
 1660 10:57:51.109295  # [  104.316287] [<c0c2effc>] (lkdtm_do_action) from [<c0c2f528>] (direct_entry+0x120/0x18c)
 1661 10:57:51.109374  # [  104.327157] [<c0c2f408>] (direct_entry) from [<c07[  104.853610] lkdtm: Performing direct entry WARNING_MESSAGE
 1662 10:57:51.109448  f6038>] (full_proxy_write+0x64/0x[  104.860552] ------------[ cut here ]------------
 1663 10:57:51.109520  94)
 1664 10:57:51.109588  # [  104.337928]  r9:c696ff6[  104.868145] WARNING: CPU: 2 PID: 909 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x4c/0x54
 1665 10:57:51.152975  0 r8:c513d000 r7:00000008 r6:b6dd[  104.880166] Warning message trigger count: 2
 1666 10:57:51.153231  0000 r5:c5a303c0 r4:c0c2f408
 1667 10:57:51.153373  # [[  104.887306] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3
 1668 10:57:51.197453    104.348539] [<c07f5fd4>] (full_[  104.918924] CPU: 2 PID: 909 Comm: cat Tainted: G      D W         5.10.155-cip21 #1
 1669 10:57:51.197982  proxy_write) from [<c0598ab8>] (v[  104.929399] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 1670 10:57:51.198312  fs_write+0x10c/0x524)
 1671 10:57:51.198608  # [  104.3[  104.938790] Backtrace: 
 1672 10:57:51.198894  59225]  r9:c07f5fd4 r8:c696ff60 r[  104.944121] [<c137e7e8>] (dump_backtrace) from [<c137eba8>] (show_stack+0x20/0x24)
 1673 10:57:51.199204  7:c2816000 r6:b6dd0000 r5:c5a303c[  104.954538]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4
 1674 10:57:51.199515  0 r4:00000000
 1675 10:57:51.241445  # [  104.369832] [[  104.963066] [<c137eb88>] (show_stack) from [<c1385d24>] (dump_stack+0xe0/0x100)
 1676 10:57:51.241957  <c05989ac>] (vfs_write) from [<c0[  104.973237] [<c1385c44>] (dump_stack) from [<c03566f0>] (__warn+0xfc/0x16c)
 1677 10:57:51.242289  59904c>] (ksys_write+0x74/0xec)
 1678 10:57:51.242593  [  104.983056]  r9:00000009 r8:c0c2f644 r7:00000058 r6:00000009 r5:c0c2f644 r4:c1ad0fbc
 1679 10:57:51.242880  # [  104.379829]  r10:00000004 r9[  104.993661] [<c03565f4>] (__warn) from [<c137fcc8>] (warn_slowpath_fmt+0x8c/0xa8)
 1680 10:57:51.285451  :00000000 r8:00000000 r7:b6dd0000[  105.004005]  r7:00000058 r6:c1ad0fbc r5:c1ad0fd8 r4:c6a28000
 1681 10:57:51.285960   r6:c696e000 r5:c5a303c0
 1682 10:57:51.286322  # [  10[  105.012533] [<c137fc40>] (warn_slowpath_fmt) from [<c0c2f644>] (lkdtm_WARNING_MESSAGE+0x4c/0x54)
 1683 10:57:51.286651  4.390515]  r4:c5a303c0
 1684 10:57:51.286970  # [  104.[  105.024174]  r9:c1ad090c r8:c15e8634 r7:c6a29f60 r6:00000010 r5:c6c8a000 r4:00000003
 1685 10:57:51.287279  395918] [<c0598fd8>] (ksys_write)[  105.034784] [<c0c2f5f8>] (lkdtm_WARNING_MESSAGE) from [<c0c2f028>] (lkdtm_do_action+0x2c/0x4c)
 1686 10:57:51.329427   from [<c05990dc>] (sys_write+0x1[  105.046255] [<c0c2effc>] (lkdtm_do_action) from [<c0c2f528>] (direct_entry+0x120/0x18c)
 1687 10:57:51.329977  8/0x1c)
 1688 10:57:51.330337  # [  104.405914]  r9:c69[  105.057125] [<c0c2f408>] (direct_entry) from [<c07f6038>] (full_proxy_write+0x64/0x94)
 1689 10:57:51.330664  6e000 r8:c03002e4 r7:00000004 r6:[  105.067897]  r9:c6a29f60 r8:c513d000 r7:00000010 r6:b6dca000 r5:c6ab5400 r4:c0c2f408
 1690 10:57:51.330983  b6f17e00 r5:00000008 r4:00000008
 1691 10:57:51.331283  [  105.078509] [<c07f5fd4>] (full_proxy_write) from [<c0598ab8>] (vfs_write+0x10c/0x524)
 1692 10:57:51.331581  
 1693 10:57:51.373436  # [  104.416522] [<c05990c4>] (s[  105.089195]  r9:c07f5fd4 r8:c6a29f60 r7:c2816000 r6:b6dca000 r5:c6ab5400 r4:00000000
 1694 10:57:51.373983  ys_write) from [<c03000c0>] (ret_[  105.099802] [<c05989ac>] (vfs_write) from [<c059904c>] (ksys_write+0x74/0xec)
 1695 10:57:51.374344  fast_syscall+0x0/0x28)
 1696 10:57:51.374668  # [  104.[  105.109799]  r10:00000004 r9:00000000 r8:00000000 r7:b6dca000 r6:c6a28000 r5:c6ab5400
 1697 10:57:51.374983  426948] Exception stack(0xc696ffa[  105.120485]  r4:c6ab5400
 1698 10:57:51.375295  8 to 0xc696fff0)
 1699 10:57:51.375596  # [  104.434866[  105.125888] [<c0598fd8>] (ksys_write) from [<c05990dc>] (sys_write+0x18/0x1c)
 1700 10:57:51.417085  ] ffa0:                   0000000[  105.135885]  r9:c6a28000 r8:c03002e4 r7:00000004 r6:b6f11e00 r5:00000010 r4:00000010
 1701 10:57:51.417338  8 00000008 00000001 b6dd0000 0000[  105.146497] [<c05990c4>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 1702 10:57:51.417447  0008 00000000
 1703 10:57:51.417512  # [  104.445906] f[  105.156922] Exception stack(0xc6a29fa8 to 0xc6a29ff0)
 1704 10:57:51.417573  fc0: 00000008 00000008 b6f17e00 0[  105.164842] 9fa0:                   00000010 00000010 00000001 b6dca000 00000010 00000000
 1705 10:57:51.460989  0000004 00000001 00000000 0002000[  105.175881] 9fc0: 00000010 00000010 b6f11e00 00000004 00000001 00000000 00020000 bef51a54
 1706 10:57:51.461195  0 beecea54
 1707 10:57:51.461303  # [  104.456943] ffe0[  105.186917] 9fe0: 00000004 bef51788 b6e7c4cf b6e027e6
 1708 10:57:51.461399  : 00000004 beece788 b6e824cf b6e0[  105.194907] irq event stamp: 0
 1709 10:57:51.461491  87e6
 1710 10:57:51.461583  # [  104.464924] irq event [  105.200756] hardirqs last  enabled at (0): [<00000000>] 0x0
 1711 10:57:51.461673  stamp: 0
 1712 10:57:51.461758  # [  104.470779] hardir[  105.209288] hardirqs last disabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 1713 10:57:51.509210  qs last  enabled at (0): [<000000[  105.219580] softirqs last  enabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 1714 10:57:51.509764  00>] 0x0
 1715 10:57:51.510128  # [  104.479262] hardir[  105.229912] softirqs last disabled at (0): [<00000000>] 0x0
 1716 10:57:51.510504  qs last disabled at (0): [<c0353c[  105.238374] ---[ end trace cf55c2bf51e529c5 ]---
 1717 10:57:51.510840  e0>] copy_process+0x5c8/0x194c
 1718 10:57:51.511147  # [  104.489594] softirqs last  enabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 1719 10:57:51.511449  # [  104.499983] softirqs last disabled at (0): [<00000000>] 0x0
 1720 10:57:51.511749  # [  104.508378] ---[ end trace cf55c2bf51e529c4 ]---
 1721 10:57:51.512044  # WARNING: saw 'WARNING:': ok
 1722 10:57:51.512331  ok 3 selftests: lkdtm: WARNING.sh
 1723 10:57:51.512624  # selftests: lkdtm: WARNING_MESSAGE.sh
 1724 10:57:51.553377  # [  104.853610] lkdtm: Performing direct entry WARNING_MESSAGE
 1725 10:57:51.553922  # [  104.860552] ------------[ cut here ]------------
 1726 10:57:51.554276  # [  104.868145] WARNING: CPU: 2 PID: 909 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x4c/0x54
 1727 10:57:51.554606  # [  104.880166] Warning message trigger count: 2
 1728 10:57:51.583268  # [  104.887306] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3
 1729 10:57:51.583889  # [  104.918924] CPU: 2 PID: 909 Comm: cat Tainted: G      D W         5.10.155-cip21 #1
 1730 10:57:51.584256  # [  104.929399] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 1731 10:57:51.584583  # [  104.938790] Backtrace: 
 1732 10:57:51.584955  # [  104.944121] [<c137e7e8>] (dump_backtrace) from [<c137eba8>] (show_stack+0x20/0x24)
 1733 10:57:51.585272  # [  104.954538]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4
 1734 10:57:51.626084  # [  104.963066] [<c137eb88>] (show_stack) from [<c1385d24>] (dump_stack+0xe0/0x100)
 1735 10:57:51.626630  # [  104.973237] [<c1385c44>] (dump_stack) from [<c03566f0>] (__warn+0xfc/0x16c)
 1736 10:57:51.626988  # [  104.983056]  r9:00000009 r8:c0c2f644 r7:00000058 r6:00000009 r5:c0c2f644 r4:c1ad0fbc
 1737 10:57:51.627316  # [  104.993661] [<c03565f4>] (__warn) from [<c137fcc8>] (warn_slowpath_fmt+0x8c/0xa8)
 1738 10:57:51.627695  # [  105.004005]  r7:00000058 r6:c1ad0fbc r5:c1ad0fd8 r4:c6a28000
 1739 10:57:51.628067  # [  105.012533] [<c137fc40>] (warn_slowpath_fmt) from [<c0c2f644>] (lkdtm_WARNING_MESSAGE+0x4c/0x54)
 1740 10:57:51.673353  # [  105.024174]  r9:c1ad090c r8:c15e8634 r7:c6a29f60 r6:00000010 r5:c6c8a000 r4:00000003
 1741 10:57:51.673921  # [  105.034784] [<c0c2f5f8>] (lkdtm_WARNING_MESSAGE) from [<c0c2f028>] (lkdtm_do_action+0x2c/0x4c)
 1742 10:57:51.674262  # [  105.046255] [<c0c2effc>] (lkdtm_do_action) from [<c0c2f528>] (direct_entry+0x120/0x18c)
 1743 10:57:51.674623  # [  105.057125] [<c0c2f408>] (direct_entry) from [<c07f6038>] (full_proxy_write+0x64/0x94)
 1744 10:57:51.674918  # [  105.067897]  r9:c6a29f60 r8:c513d000 r7:00000010 r6:b6dca000 r5:c6ab5400 r4:c0c2f408
 1745 10:57:51.717012  # [  105.078509] [<c07f5fd4>] (full_proxy_write) from [<c0598ab8>] (vfs_write+0x10c/0x524)
 1746 10:57:51.717174  # [  105.089195]  r9:c07f5fd4 r8:c6a29f60 r7:c2816000 r6:b6dca000 r5:c6ab5400 r4:00000000
 1747 10:57:51.717241  # [  105.099802] [<c05989ac>] (vfs_write) from [<c059904c>] (ksys_write+0x74/0xec)
 1748 10:57:51.717303  # [  105.109799]  r10:00000004 r9:00000000 r8:00000000 r7:b6dca000 r6:c6a28000 r5:c6ab5400
 1749 10:57:51.717363  # [  105.120485]  r4:c6ab5400
 1750 10:57:51.717421  # [  105.125888] [<c0598fd8>] (ksys_write) from [<c05990dc>] (sys_write+0x18/0x1c)
 1751 10:57:51.761348  # [  105.135885]  r9:c6a28000 r8:c03002e4 r7:00000004 r6:b6f11e00 r5:00000010 r4:00000010
 1752 10:57:51.761857  # [  105.146497] [<c05990c4>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 1753 10:57:51.762232  # [  105.156922] Exception stack(0xc6a29fa8 to 0xc6a29ff0)
 1754 10:57:51.762557  # [  105.164842] 9fa0:                   00000010 00000010 00000001 b6dca000 00000010 00000000
 1755 10:57:51.762872  # [  105.175881] 9fc0: 00000010 00000010 b6f11e00 00000004 00000001 00000000 00020000 bef51a54
 1756 10:57:51.763176  # [  105.186917] 9fe0: 00000004 bef51788 b6e7c4cf b6e027e6
 1757 10:57:51.763473  # [  105.194907] irq event stamp: 0
 1758 10:57:51.805351  # [  105.200756] hardirqs last  enabled at (0): [<00000000>] 0x0
 1759 10:57:51.806016  # [  105.209288] hardirqs last disabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 1760 10:57:51.806460  # [  105.219580] softirqs last  enabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 1761 10:57:51.806888  # [  105.229912] softirqs last disabled at (0): [<00000000>] 0x0
 1762 10:57:51.807323  # [  105.238374] ---[ end trace cf55c2bf51e529c5 ]---
 1763 10:57:51.807715  # WARNING_MESSAGE: saw 'message trigger': ok
 1764 10:57:51.808080  ok 4 selftests: lkdtm: WARNING_MESSAGE.sh
 1765 10:57:51.808500  # [  105.584223] lkdtm: Performing direct entry EXCEPTION
 1766 10:57:51.849349  selftests: lkdtm: EXCEPTION.sh
 1767 10:57:51.849856  [  105.591602] 8<--- cut here ---
 1768 10:57:51.850183  [  105.597515] Unable to handle kernel NULL pointer dereference at virtual address 00000000
 1769 10:57:51.850483  [  105.605804] pgd = 32b4a942
 1770 10:57:51.850767  [  105.608554] [00000000] *pgd=00000000
 1771 10:57:51.851069  [  105.612211] Internal error: Oops: 805 [#2] SMP ARM
 1772 10:57:51.893417  [  105.617015] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3
 1773 10:57:51.893981  [  105.646037] CPU: 3 PID: 941 Comm: cat Tainted: G      D W         5.10.155-cip21 #1
 1774 10:57:51.894342  [  105.653698] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 1775 10:57:51.894672  [  105.660245] PC is at lkdtm_EXCEPTION+0x18/0x20
 1776 10:57:51.894985  [  105.664698] LR is at lkdtm_do_action+0x2c/0x4c
 1777 10:57:51.895290  [  105.669148] pc : [<c0c2f664>]    lr : [<c0c2f028>]    psr: a00e0013
 1778 10:57:51.937432  [  105.675420] sp : c6e6de58  ip : c6e6de68  fp : c6e6de64
 1779 10:57:51.937941  [  105.680648] r10: 0000000a  r9 : c1ad091c  r8 : c15e8634
 1780 10:57:51.938305  [  105.685878] r7 : c6e6df60  r6 : 0000000a  r5 : c6c40000  r4 : 00000004
 1781 10:57:51.938630  [  105.692413] r3 : 00000000  r2 : b2b6acc9  r1 : ef7c05e0  r0 : c15e8654
 1782 10:57:51.938949  [  105.698945] Flags: NzCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 1783 10:57:51.939260  [  105.706087] Control: 10c5387d  Table: 16fbc04a  DAC: 00000051
 1784 10:57:51.939558  [  105.711839] Process cat (pid: 941, stack limit = 0xe52790df)
 1785 10:57:51.939852  [  105.717505] Stack: (0xc6e6de58 to 0xc6e6e000)
 1786 10:57:51.981217  [  105.721868] de40:                                                       c6e6de74 c6e6de68
 1787 10:57:51.981776  [  105.730054] de60: c0c2f028 c0c2f658 c6e6de9c c6e6de78 c0c2f528 c0c2f008 c0c2f408 c694fb80
 1788 10:57:51.982139  [  105.738239] de80: b6e51000 0000000a c513d000 c6e6df60 c6e6dec4 c6e6dea0 c07f6038 c0c2f414
 1789 10:57:51.982469  [  105.746426] dea0: 00000000 c694fb80 b6e51000 c2816000 c6e6df60 c07f5fd4 c6e6df5c c6e6dec8
 1790 10:57:51.982788  [  105.754611] dec0: c0598ab8 c07f5fe0 00000001 00000000 c059904c c13a1a78 c059904c c6e6c000
 1791 10:57:52.025312  [  105.762798] dee0: b6e51000 00020000 00000004 0000000a 0001fff6 c6e6dee0 00000001 b6e50000
 1792 10:57:52.025867  [  105.770982] df00: c471f7c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 1793 10:57:52.026228  [  105.779168] df20: 00000000 00000000 c13a1a78 b2b6acc9 c205cf60 c694fb80 c694fb80 c6e6c000
 1794 10:57:52.026559  [  105.787354] df40: b6e51000 00000000 00000000 00000004 c6e6df94 c6e6df60 c059904c c05989b8
 1795 10:57:52.026877  [  105.795540] df60: 00000000 00000000 c6e6dfac b2b6acc9 0000000a 0000000a b6f98e00 00000004
 1796 10:57:52.069146  [  105.803725] df80: c03002e4 c6e6c000 c6e6dfa4 c6e6df98 c05990dc c0598fe4 00000000 c6e6dfa8
 1797 10:57:52.069693  [  105.811910] dfa0: c03000c0 c05990d0 0000000a 0000000a 00000001 b6e51000 0000000a 00000000
 1798 10:57:52.070047  [  105.820096] dfc0: 0000000a 0000000a b6f98e00 00000004 00000001 00000000 00020000 bec74a54
 1799 10:57:52.070378  [  105.828282] dfe0: 00000004 bec74788 b6f034cf b6e897e6 800e0030 00000001 00000000 00000000
 1800 10:57:52.070692  [  105.836461] Backtrace: 
 1801 10:57:52.070994  [  105.838929] [<c0c2f64c>] (lkdtm_EXCEPTION) from [<c0c2f028>] (lkdtm_do_action+0x2c/0x4c)
 1802 10:57:52.113323  [  105.847034] [<c0c2effc>] (lkdtm_do_action) from [<c0c2f528>] (direct_entry+0x120/0x18c)
 1803 10:57:52.113874  [  105.855054] [<c0c2f408>] (direct_entry) from [<c07f6038>] (full_proxy_write+0x64/0x94)
 1804 10:57:52.114234  [  105.862981]  r9:c6e6df60 r8:c513d000 r7:0000000a r6:b6e51000 r5:c694fb80 r4:c0c2f408
 1805 10:57:52.114566  [  105.870740] [<c07f5fd4>] (full_proxy_write) from [<c0598ab8>] (vfs_write+0x10c/0x524)
 1806 10:57:52.114882  [  105.878579]  r9:c07f5fd4 r8:c6e6df60 r7:c2816000 r6:b6e51000 r5:c694fb80 r4:00000000
 1807 10:57:52.115189  [  105.886333] [<c05989ac>] (vfs_write) from [<c059904c>] (ksys_write+0x74/0xec)
 1808 10:57:52.157156  [  105.893476]  r10:00000004 r9:00000000 r8:00000000 r7:b6e51000 r6:c6e6c000 r5:c694fb80
 1809 10:57:52.157705  [  105.901308]  r4:c694fb80
 1810 10:57:52.158055  [  105.903852] [<c0598fd8>] (ksys_write) from [<c05990dc>] (sys_write+0x18/0x1c)
 1811 10:57:52.158384  [  105.910995]  r9:c6e6c000 r8:c03002e4 r7:00000004 r6:b6f98e00 r5:0000000a r4:0000000a
 1812 10:57:52.158702  [  105.918751] [<c05990c4>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 1813 10:57:52.159011  [  105.926326] Exception stack(0xc6e6dfa8 to 0xc6e6dff0)
 1814 10:57:52.204806  [  105.931387] dfa0:                   0000000a 0000000a 00000001 b6e51000 0000000a 00000000
 1815 10:57:52.204891  [  105.939572] dfc0: 0000000a 0000000a b6f98e00 00000004 00000001 00000000 00020000 bec74a54
 1816 10:57:52.204959  [  105.947754] dfe0: 00000004 bec74788 b6f034cf b6e897e6
 1817 10:57:52.205023  [  105.952817] Code: e24cb004 e52de004 e8bd4000 e3a03000 (e5833000) 
 1818 10:57:52.205083  [  105.959008] ---[ end trace cf55c2bf51e529c6 ]---
 1819 10:57:52.205141  # Segmentation fault
 1820 10:57:52.299216  # [  105.584223] lkdtm: Performing direct entry EXCEPTION
 1821 10:57:52.299695  # [  105.591602] 8<--- cut here ---
 1822 10:57:52.299993  # [  105.597515] Unable to handle kernel NULL pointer dereference at virtual address 00000000
 1823 10:57:52.300275  # [  105.605804] pgd = 32b4a942
 1824 10:57:52.300540  # [  105.608554] [00000000] *pgd=00000000
 1825 10:57:52.300822  # [  105.612211] Internal error: Oops: 805 [#2] SMP ARM
 1826 10:57:52.342557  # [  105.617015] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3
 1827 10:57:52.343088  # [  105.646037] CPU: 3 PID: 941 Comm: cat Tainted: G      D W         5.10.155-cip21 #1
 1828 10:57:52.343419  # [  105.653698] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 1829 10:57:52.343719  # [  105.660245] PC is at lkdtm_EXCEPTION+0x18/0x20
 1830 10:57:52.344008  # [  105.664698] LR is at lkdtm_do_action+0x2c/0x4c
 1831 10:57:52.385542  # [  105.669148] pc : [<c0c2f664>]    lr : [<c0c2f028>]    psr: a00e0013
 1832 10:57:52.386095  # [  105.675420] sp : c6e6de58  ip : c6e6de68  fp : c6e6de64
 1833 10:57:52.386450  # [  105.680648] r10: 0000000a  r9 : c1ad091c  r8 : c15e8634
 1834 10:57:52.386781  # [  105.685878] r7 : c6e6df60  r6 : 0000000a  r5 : c6c40000  r4 : 00000004
 1835 10:57:52.387098  # [  105.692413] r3 : 00000000  r2 : b2b6acc9  r1 : ef7c05e0  r0 : c15e8654
 1836 10:57:52.387406  # [  105.698945] Flags: NzCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 1837 10:57:52.387708  # [  105.706087] Control: 10c5387d  Table: 16fbc04a  DAC: 00000051
 1838 10:57:52.429140  # [  105.711839] Process cat (pid: 941, stack limit = 0xe52790df)
 1839 10:57:52.429660  # [  105.717505] Stack: (0xc6e6de58 to 0xc6e6e000)
 1840 10:57:52.429987  # [  105.721868] de40:                                                       c6e6de74 c6e6de68
 1841 10:57:52.430294  # [  105.730054] de60: c0c2f028 c0c2f658 c6e6de9c c6e6de78 c0c2f528 c0c2f008 c0c2f408 c694fb80
 1842 10:57:52.430584  # [  105.738239] de80: b6e51000 0000000a c513d000 c6e6df60 c6e6dec4 c6e6dea0 c07f6038 c0c2f414
 1843 10:57:52.430868  # [  105.746426] dea0: 00000000 c694fb80 b6e51000 c2816000 c6e6df60 c07f5fd4 c6e6df5c c6e6dec8
 1844 10:57:52.473353  # [  105.754611] dec0: c0598ab8 c07f5fe0 00000001 00000000 c059904c c13a1a78 c059904c c6e6c000
 1845 10:57:52.473910  # [  105.762798] dee0: b6e51000 00020000 00000004 0000000a 0001fff6 c6e6dee0 00000001 b6e50000
 1846 10:57:52.474271  # [  105.770982] df00: c471f7c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 1847 10:57:52.474602  # [  105.779168] df20: 00000000 00000000 c13a1a78 b2b6acc9 c205cf60 c694fb80 c694fb80 c6e6c000
 1848 10:57:52.474918  # [  105.787354] df40: b6e51000 00000000 00000000 00000004 c6e6df94 c6e6df60 c059904c c05989b8
 1849 10:57:52.517081  # [  105.795540] df60: 00000000 00000000 c6e6dfac b2b6acc9 0000000a 0000000a b6f98e00 00000004
 1850 10:57:52.517636  # [  105.803725] df80: c03002e4 c6e6c000 c6e6dfa4 c6e6df98 c05990dc c0598fe4 00000000 c6e6dfa8
 1851 10:57:52.517993  # [  105.811910] dfa0: c03000c0 c05990d0 0000000a 0000000a 00000001 b6e51000 0000000a 00000000
 1852 10:57:52.518319  # [  105.820096] dfc0: 0000000a 0000000a b6f98e00 00000004 00000001 00000000 00020000 bec74a54
 1853 10:57:52.518633  # [  105.828282] dfe0: 00000004 bec74788 b6f034cf b6e897e6 800e0030 00000001 00000000 00000000
 1854 10:57:52.518941  # [  105.836461] Backtrace: 
 1855 10:57:52.561202  # [  105.838929] [<c0c2f64c>] (lkdtm_EXCEPTION) from [<c0c2f028>] (lkdtm_do_action+0x2c/0x4c)
 1856 10:57:52.561754  # [  105.847034] [<c0c2effc>] (lkdtm_do_action) from [<c0c2f528>] (direct_entry+0x120/0x18c)
 1857 10:57:52.562115  # [  105.855054] [<c0c2f408>] (direct_entry) from [<c07f6038>] (full_proxy_write+0x64/0x94)
 1858 10:57:52.562444  # [  105.862981]  r9:c6e6df60 r8:c513d000 r7:0000000a r6:b6e51000 r5:c694fb80 r4:c0c2f408
 1859 10:57:52.562756  # [  105.870740] [<c07f5fd4>] (full_proxy_write) from [<c0598ab8>] (vfs_write+0x10c/0x524)
 1860 10:57:52.609204  # [  105.878579]  r9:c07f5fd4 r8:c6e6df60 r7:c2816000 r6:b6e51000 r5:c694fb80 r4:00000000
 1861 10:57:52.609722  # [  105.886333] [<c05989ac>] (vfs_write) from [<c059904c>] (ksys_write+0x74/0xec)
 1862 10:57:52.610073  # [  105.893476]  r10:00000004 r9:00000000 r8:00000000 r7:b6e51000 r6:c6e6c000 r5:c694fb80
 1863 10:57:52.610374  # [  105.901308]  r4:c694fb80
 1864 10:57:52.610663  # [  105.903852] [<c0598fd8>] (ksys_write) from [<c05990dc>] (sys_write+0x18/0x1c)
 1865 10:57:52.610949  # [  105.910995]  r9:c6e6c000 r8:c03002e4 r7:00000004 r6:b6f98e00 r5:0000000a r4:0000000a
 1866 10:57:52.611226  # [  105.918751] [<c05990c4>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 1867 10:57:52.657163  # [  105.926326] Exception stack(0xc6e6dfa8 to 0xc6e6dff0)
 1868 10:57:52.657712  # [  105.931387] dfa0:                   0000000a 0000000a 00000001 b6e51000 0000000a 00000000
 1869 10:57:52.658070  # [  105.939572] dfc0: 0000000a 0000000a b6f98e00 00000004 00000001 00000000 00020000 bec74a54
 1870 10:57:52.658403  # [  105.947754] dfe0: 00000004 bec74788 b6f034cf b6e897e6
 1871 10:57:52.658721  # [  105.952817] Code: e24cb004 e52de004 e8bd4000 e3a03000 (e5833000) 
 1872 10:57:52.659028  # [  105.959008] ---[ end trace cf55c2bf51e529c6 ]---
 1873 10:57:52.659329  # EXCEPTION: missing 'call trace:': [FAIL]
 1874 10:57:52.705252  not ok 5 selftests: lkdtm: EXCEPTION.sh # exit=1
 1875 10:57:52.705814  # selftests: lkdtm: LOOP.sh
 1876 10:57:52.706171  # Skipping LOOP: Hangs the system
 1877 10:57:52.706499  ok 6 selftests: lkdtm: LOOP.sh # SKIP
 1878 10:57:52.706816  # selftests: lkdtm: EXHAUST_STACK.sh
 1879 10:57:52.733573  # Skipping EXHAUST_STACK: Corrupts memory on failure
 1880 10:57:52.749454  ok 7 selftests: lkdtm: EXHAUST_STACK.sh # SKIP
 1881 10:57:52.765587  # selftests: lkdtm: CORRUPT_STACK.sh
 1882 10:57:52.934287  # Skipping CORRUPT_STACK: Crashes entire system on success
 1883 10:57:52.934836  ok 8 selftests: lkdtm: CORRUPT_STACK.sh # SKIP
 1884 10:57:52.950301  # selftests: lkdtm: CORRUPT_STACK_STRONG.sh
 1885 10:57:53.118007  # Skipping CORRUPT_STACK_STRONG: Crashes entire system on success
 1886 10:57:53.118566  ok 9 selftests: lkdtm: CORRUPT_STACK_STRONG.sh # SKIP
 1887 10:57:53.133772  # selftests: lkdtm: CORRUPT_LIST_ADD.sh
 1888 10:57:53.368346  [  107.130438] lkdtm: Performing direct entry CORRUPT_LIST_ADD
 1889 10:57:53.368920  [  107.136276] lkdtm: attempting good list addition
 1890 10:57:53.369275  [  107.140937] lkdtm: attempting corrupted list addition
 1891 10:57:53.369603  [  107.146040] lkdtm: list_add() corruption not detected!
 1892 10:57:53.442176  # [  107.130438] lkdtm: Performing direct entry CORRUPT_LIST_ADD
 1893 10:57:53.442728  # [  107.136276] lkdtm: attempting good list addition
 1894 10:57:53.443079  # [  107.140937] lkdtm: attempting corrupted list addition
 1895 10:57:53.443405  # [  107.146040] lkdtm: list_add() corruption not detected!
 1896 10:57:53.458327  # CORRUPT_LIST_ADD: missing 'list_add corruption': [FAIL]
 1897 10:57:53.474113  not ok 10 selftests: lkdtm: CORRUPT_LIST_ADD.sh # exit=1
 1898 10:57:53.506233  # selftests: lkdtm: CORRUPT_LIST_DEL.sh
 1899 10:57:53.732273  [  107.494930] lkdtm: Performing direct entry CORRUPT_LIST_DEL
 1900 10:57:53.732441  [  107.500523] lkdtm: attempting good list removal
 1901 10:57:53.732513  [  107.505251] lkdtm: attempting corrupted list removal
 1902 10:57:53.732579  [  107.510252] lkdtm: list_del() corruption not detected!
 1903 10:57:53.803500  # [  107.494930] lkdtm: Performing direct entry CORRUPT_LIST_DEL
 1904 10:57:53.804014  # [  107.500523] lkdtm: attempting good list removal
 1905 10:57:53.804336  # [  107.505251] lkdtm: attempting corrupted list removal
 1906 10:57:53.804638  # [  107.510252] lkdtm: list_del() corruption not detected!
 1907 10:57:53.819720  # CORRUPT_LIST_DEL: missing 'list_del corruption': [FAIL]
 1908 10:57:53.835452  not ok 11 selftests: lkdtm: CORRUPT_LIST_DEL.sh # exit=1
 1909 10:57:53.867559  # selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh
 1910 10:57:54.074988  [  107.834718] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING
 1911 10:57:54.075501  [  107.841009] lkdtm: attempting bad read from page below current stack
 1912 10:57:54.075824  [  107.847482] lkdtm: FAIL: accessed page before stack! (byte: 0)
 1913 10:57:54.143853  # [  107.834718] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING
 1914 10:57:54.144408  # [  107.841009] lkdtm: attempting bad read from page below current stack
 1915 10:57:54.144797  # [  107.847482] lkdtm: FAIL: accessed page before stack! (byte: 0)
 1916 10:57:54.159663  # STACK_GUARD_PAGE_LEADING: missing 'call trace:': [FAIL]
 1917 10:57:54.185479  not ok 12 selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh # exit=1
 1918 10:57:54.201804  # selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh
 1919 10:57:54.409367  [  108.171614] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING
 1920 10:57:54.409924  [  108.178058] lkdtm: attempting bad read from page above current stack
 1921 10:57:54.410388  [  108.184464] lkdtm: FAIL: accessed page after stack! (byte: 0)
 1922 10:57:54.480452  # [  108.171614] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING
 1923 10:57:54.481034  # [  108.178058] lkdtm: attempting bad read from page above current stack
 1924 10:57:54.481500  # [  108.184464] lkdtm: FAIL: accessed page after stack! (byte: 0)
 1925 10:57:54.496458  # STACK_GUARD_PAGE_TRAILING: missing 'call trace:': [FAIL]
 1926 10:57:54.526310  not ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # exit=1
 1927 10:57:54.542322  # selftests: lkdtm: UNSET_SMEP.sh
 1928 10:57:54.757555  [  108.530555] lkdtm: Performing direct entry UNSET_SMEP
 1929 10:57:54.757773  [  108.535708] lkdtm: XFAIL: this test is x86_64-only
 1930 10:57:54.815586  # [  108.530555] lkdtm: Performing direct entry UNSET_SMEP
 1931 10:57:54.816132  # [  108.535708] lkdtm: XFAIL: this test is x86_64-only
 1932 10:57:54.847759  # UNSET_SMEP: saw 'XFAIL': [SKIP]
 1933 10:57:54.863359  ok 14 selftests: lkdtm: UNSET_SMEP.sh # SKIP
 1934 10:57:54.879209  # selftests: lkdtm: DOUBLE_FAULT.sh
 1935 10:57:55.091695  [  108.862013] lkdtm: Performing direct entry DOUBLE_FAULT
 1936 10:57:55.091853  [  108.867259] lkdtm: XFAIL: this test is ia32-only
 1937 10:57:55.160545  # [  108.862013] lkdtm: Performing direct entry DOUBLE_FAULT
 1938 10:57:55.160901  # [  108.867259] lkdtm: XFAIL: this test is ia32-only
 1939 10:57:55.176788  # DOUBLE_FAULT: saw 'XFAIL': [SKIP]
 1940 10:57:55.208918  ok 15 selftests: lkdtm: DOUBLE_FAULT.sh # SKIP
 1941 10:57:55.224891  # selftests: lkdtm: CORRUPT_PAC.sh
 1942 10:57:55.431296  [  109.204447] lkdtm: Performing direct entry CORRUPT_PAC
 1943 10:57:55.431847  [  109.209606] lkdtm: XFAIL: this test is arm64-only
 1944 10:57:55.504381  # [  109.204447] lkdtm: Performing direct entry CORRUPT_PAC
 1945 10:57:55.504989  # [  109.209606] lkdtm: XFAIL: this test is arm64-only
 1946 10:57:55.520348  # CORRUPT_PAC: saw 'XFAIL': [SKIP]
 1947 10:57:55.536286  ok 16 selftests: lkdtm: CORRUPT_PAC.sh # SKIP
 1948 10:57:55.568270  # selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh
 1949 10:57:55.773713  [  109.541180] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE
 1950 10:57:55.774265  [  109.547769] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS
 1951 10:57:55.840740  # [  109.541180] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE
 1952 10:57:55.841287  # [  109.547769] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS
 1953 10:57:55.856744  # UNALIGNED_LOAD_STORE_WRITE: saw 'XFAIL': [SKIP]
 1954 10:57:55.886633  ok 17 selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh # SKIP
 1955 10:57:55.902552  # selftests: lkdtm: OVERWRITE_ALLOCATION.sh
 1956 10:57:56.070053  # Skipping OVERWRITE_ALLOCATION: Corrupts memory on failure
 1957 10:57:56.070605  ok 18 selftests: lkdtm: OVERWRITE_ALLOCATION.sh # SKIP
 1958 10:57:56.086225  # selftests: lkdtm: WRITE_AFTER_FREE.sh
 1959 10:57:56.257889  # Skipping WRITE_AFTER_FREE: Corrupts memory on failure
 1960 10:57:56.258414  ok 19 selftests: lkdtm: WRITE_AFTER_FREE.sh # SKIP
 1961 10:57:56.273832  # selftests: lkdtm: READ_AFTER_FREE.sh
 1962 10:57:56.497291  [  110.257507] lkdtm: Performing direct entry READ_AFTER_FREE
 1963 10:57:56.497864  [  110.263252] lkdtm: Value in memory before free: 12345678
 1964 10:57:56.498339  [  110.268610] lkdtm: Attempting bad read from freed memory
 1965 10:57:56.498771  [  110.273979] lkdtm: Memory was not poisoned
 1966 10:57:56.579364  # [  110.257507] lkdtm: Performing direct entry READ_AFTER_FREE
 1967 10:57:56.579917  # [  110.263252] lkdtm: Value in memory before free: 12345678
 1968 10:57:56.580379  # [  110.268610] lkdtm: Attempting bad read from freed memory
 1969 10:57:56.580842  # [  110.273979] lkdtm: Memory was not poisoned
 1970 10:57:56.581261  # READ_AFTER_FREE: missing 'call trace:': [FAIL]
 1971 10:57:56.595291  not ok 20 selftests: lkdtm: READ_AFTER_FREE.sh # exit=1
 1972 10:57:56.627232  # selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh
 1973 10:57:56.794909  # Skipping WRITE_BUDDY_AFTER_FREE: Corrupts memory on failure
 1974 10:57:56.795460  ok 21 selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # SKIP
 1975 10:57:56.810876  # selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh
 1976 10:57:57.034243  [  110.793594] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE
 1977 10:57:57.034582  [  110.799627] lkdtm: Value in memory before free: 12345678
 1978 10:57:57.034864  [  110.805169] lkdtm: Attempting to read from freed memory
 1979 10:57:57.035098  [  110.810438] lkdtm: Buddy page was not poisoned
 1980 10:57:57.112331  # [  110.793594] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE
 1981 10:57:57.112941  # [  110.799627] lkdtm: Value in memory before free: 12345678
 1982 10:57:57.113413  # [  110.805169] lkdtm: Attempting to read from freed memory
 1983 10:57:57.113838  # [  110.810438] lkdtm: Buddy page was not poisoned
 1984 10:57:57.128318  # READ_BUDDY_AFTER_FREE: missing 'call trace:': [FAIL]
 1985 10:57:57.152268  not ok 22 selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh # exit=1
 1986 10:57:57.167993  # selftests: lkdtm: SLAB_FREE_DOUBLE.sh
 1987 10:57:57.373146  [  111.146374] lkdtm: Performing direct entry SLAB_FREE_DOUBLE
 1988 10:57:57.373306  [  111.152035] lkdtm: Attempting double slab free ...
 1989 10:57:57.445413  # [  111.146374] lkdtm: Performing direct entry SLAB_FREE_DOUBLE
 1990 10:57:57.445963  # [  111.152035] lkdtm: Attempting double slab free ...
 1991 10:57:57.477507  # SLAB_FREE_DOUBLE: missing 'call trace:': [FAIL]
 1992 10:57:57.493542  not ok 23 selftests: lkdtm: SLAB_FREE_DOUBLE.sh # exit=1
 1993 10:57:57.509520  # selftests: lkdtm: SLAB_FREE_CROSS.sh
 1994 10:57:57.721939  [  111.493290] lkdtm: Performing direct entry SLAB_FREE_CROSS
 1995 10:57:57.722512  [  111.498816] lkdtm: Attempting cross-cache slab free ...
 1996 10:57:57.790962  # [  111.493290] lkdtm: Performing direct entry SLAB_FREE_CROSS
 1997 10:57:57.791511  # [  111.498816] lkdtm: Attempting cross-cache slab free ...
 1998 10:57:57.806759  # SLAB_FREE_CROSS: missing 'call trace:': [FAIL]
 1999 10:57:57.838871  not ok 24 selftests: lkdtm: SLAB_FREE_CROSS.sh # exit=1
 2000 10:57:57.854864  # selftests: lkdtm: SLAB_FREE_PAGE.sh
 2001 10:57:58.066908  [  111.838211] lkdtm: Performing direct entry SLAB_FREE_PAGE
 2002 10:57:58.067066  [  111.843821] lkdtm: Attempting non-Slab slab free ...
 2003 10:57:58.136164  # [  111.838211] lkdtm: Performing direct entry SLAB_FREE_PAGE
 2004 10:57:58.136556  # [  111.843821] lkdtm: Attempting non-Slab slab free ...
 2005 10:57:58.152118  # SLAB_FREE_PAGE: missing 'call trace:': [FAIL]
 2006 10:57:58.184222  not ok 25 selftests: lkdtm: SLAB_FREE_PAGE.sh # exit=1
 2007 10:57:58.200261  # selftests: lkdtm: SOFTLOCKUP.sh
 2008 10:57:58.374880  # Skipping SOFTLOCKUP: Hangs the system
 2009 10:57:58.375431  ok 26 selftests: lkdtm: SOFTLOCKUP.sh # SKIP
 2010 10:57:58.390859  # selftests: lkdtm: HARDLOCKUP.sh
 2011 10:57:58.550532  # Skipping HARDLOCKUP: Hangs the system
 2012 10:57:58.566547  ok 27 selftests: lkdtm: HARDLOCKUP.sh # SKIP
 2013 10:57:58.582464  # selftests: lkdtm: SPINLOCKUP.sh
 2014 10:57:58.758116  # Skipping SPINLOCKUP: Hangs the system
 2015 10:57:58.758691  ok 28 selftests: lkdtm: SPINLOCKUP.sh # SKIP
 2016 10:57:58.773850  # selftests: lkdtm: HUNG_TASK.sh
 2017 10:57:58.933614  # Skipping HUNG_TASK: Hangs the system
 2018 10:57:58.949552  ok 29 selftests: lkdtm: HUNG_TASK.sh # SKIP
 2019 10:57:58.965503  # selftests: lkdtm: EXEC_DATA.sh
 2020 10:57:59.203088  [  112.953174] lkdtm: Performing direct entry EXEC_DATA
 2021 10:57:59.203600  [  112.958167] lkdtm: attempting ok execution at c0c2fd98
 2022 10:57:59.204052  [  112.963374] lkdtm: attempting bad execution at c26f794c
 2023 10:57:59.204451  [  112.968620] 8<--- cut here ---
 2024 10:57:59.204880  [  112.971685] Unable to handle kernel paging request at virtual address c26f794c
 2025 10:57:59.205276  [  112.978926] pgd = b2562c8f
 2026 10:57:59.205647  [  112.981659] [c26f794c] *pgd=1261141e(bad)
 2027 10:57:59.206019  [  112.985735] Internal error: Oops: 8000000d [#3] SMP ARM
 2028 10:57:59.246469  [  112.990989] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3
 2029 10:57:59.246998  [  113.020268] CPU: 2 PID: 1784 Comm: cat Tainted: G      D W         5.10.155-cip21 #1
 2030 10:57:59.247426  [  113.028034] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 2031 10:57:59.247826  [  113.034607] PC is at data_area+0x0/0x40
 2032 10:57:59.289972  [  113.038481] LR is at execute_location+0xa4/0xb4
 2033 10:57:59.290489  [  113.043038] pc : [<c26f794c>]    lr : [<c138c2f4>]    psr: 600e0013
 2034 10:57:59.290916  [  113.049327] sp : c5a41e38  ip : 00000027  fp : c5a41e54
 2035 10:57:59.291315  [  113.054575] r10: 0000000a  r9 : c1ad0b00  r8 : c15e8634
 2036 10:57:59.291696  [  113.059823] r7 : c5a41f60  r6 : 00000001  r5 : c26f794c  r4 : c0c2fd98
 2037 10:57:59.292078  [  113.066373] r3 : 99f379bd  r2 : 99f379bd  r1 : ef7ab5e4  r0 : 0000002b
 2038 10:57:59.292453  [  113.072927] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 2039 10:57:59.333458  [  113.080087] Control: 10c5387d  Table: 1694004a  DAC: 00000051
 2040 10:57:59.333974  [  113.085860] Process cat (pid: 1784, stack limit = 0x5e4853d2)
 2041 10:57:59.334405  [  113.091631] Stack: (0xc5a41e38 to 0xc5a42000)
 2042 10:57:59.334809  [  113.096019] 1e20:                                                       0000001f c5d87000
 2043 10:57:59.335197  [  113.104229] 1e40: 0000000a c5a41f60 c5a41e64 c5a41e58 c138c460 c138c25c c5a41e74 c5a41e68
 2044 10:57:59.335578  [  113.112438] 1e60: c0c2f028 c138c448 c5a41e9c c5a41e78 c0c2f528 c0c2f008 c0c2f408 c5aa5900
 2045 10:57:59.376854  [  113.120648] 1e80: b6e60000 0000000a c513d000 c5a41f60 c5a41ec4 c5a41ea0 c07f6038 c0c2f414
 2046 10:57:59.377407  [  113.128856] 1ea0: 00000000 c5aa5900 b6e60000 c2816000 c5a41f60 c07f5fd4 c5a41f5c c5a41ec8
 2047 10:57:59.377870  [  113.137066] 1ec0: c0598ab8 c07f5fe0 00000001 00000000 c059904c c13a1a78 c059904c c5a40000
 2048 10:57:59.378296  [  113.145274] 1ee0: b6e60000 00020000 00000004 0000000a 0001fff6 c5a41ee0 00000001 b6e5f000
 2049 10:57:59.378704  [  113.153481] 1f00: c59ec8c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 2050 10:57:59.379131  [  113.161690] 1f20: 00000000 00000000 c13a1a78 99f379bd c205cf60 c5aa5900 c5aa5900 c5a40000
 2051 10:57:59.420153  [  113.169901] 1f40: b6e60000 00000000 00000000 00000004 c5a41f94 c5a41f60 c059904c c05989b8
 2052 10:57:59.420731  [  113.178109] 1f60: 00000000 00000000 c5a41fac 99f379bd 0000000a 0000000a b6fa7e00 00000004
 2053 10:57:59.421200  [  113.186317] 1f80: c03002e4 c5a40000 c5a41fa4 c5a41f98 c05990dc c0598fe4 00000000 c5a41fa8
 2054 10:57:59.421633  [  113.194524] 1fa0: c03000c0 c05990d0 0000000a 0000000a 00000001 b6e60000 0000000a 00000000
 2055 10:57:59.422056  [  113.202732] 1fc0: 0000000a 0000000a b6fa7e00 00000004 00000001 00000000 00020000 be894a54
 2056 10:57:59.463222  [  113.210939] 1fe0: 00000004 be894788 b6f124cf b6e987e6 800e0030 00000001 00000000 00000000
 2057 10:57:59.463816  [  113.219133] Backtrace: 
 2058 10:57:59.464277  [  113.221635] [<c138c250>] (execute_location) from [<c138c460>] (lkdtm_EXEC_DATA+0x24/0x28)
 2059 10:57:59.464756  [  113.229844]  r7:c5a41f60 r6:0000000a r5:c5d87000 r4:0000001f
 2060 10:57:59.465124  [  113.235553] [<c138c43c>] (lkdtm_EXEC_DATA) from [<c0c2f028>] (lkdtm_do_action+0x2c/0x4c)
 2061 10:57:59.465469  [  113.243686] [<c0c2effc>] (lkdtm_do_action) from [<c0c2f528>] (direct_entry+0x120/0x18c)
 2062 10:57:59.506941  [  113.251737] [<c0c2f408>] (direct_entry) from [<c07f6038>] (full_proxy_write+0x64/0x94)
 2063 10:57:59.507484  [  113.259694]  r9:c5a41f60 r8:c513d000 r7:0000000a r6:b6e60000 r5:c5aa5900 r4:c0c2f408
 2064 10:57:59.507843  [  113.267487] [<c07f5fd4>] (full_proxy_write) from [<c0598ab8>] (vfs_write+0x10c/0x524)
 2065 10:57:59.508178  [  113.275355]  r9:c07f5fd4 r8:c5a41f60 r7:c2816000 r6:b6e60000 r5:c5aa5900 r4:00000000
 2066 10:57:59.508499  [  113.283136] [<c05989ac>] (vfs_write) from [<c059904c>] (ksys_write+0x74/0xec)
 2067 10:57:59.508851  [  113.290307]  r10:00000004 r9:00000000 r8:00000000 r7:b6e60000 r6:c5a40000 r5:c5aa5900
 2068 10:57:59.550282  [  113.298159]  r4:c5aa5900
 2069 10:57:59.550790  [  113.300730] [<c0598fd8>] (ksys_write) from [<c05990dc>] (sys_write+0x18/0x1c)
 2070 10:57:59.551119  [  113.307897]  r9:c5a40000 r8:c03002e4 r7:00000004 r6:b6fa7e00 r5:0000000a r4:0000000a
 2071 10:57:59.551427  [  113.315681] [<c05990c4>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 2072 10:57:59.551720  [  113.323276] Exception stack(0xc5a41fa8 to 0xc5a41ff0)
 2073 10:57:59.552006  [  113.328359] 1fa0:                   0000000a 0000000a 00000001 b6e60000 0000000a 00000000
 2074 10:57:59.580915  [  113.336567] 1fc0: 0000000a 0000000a b6fa7e00 00000004 00000001 00000000 00020000 be894a54
 2075 10:57:59.581072  [  113.344771] 1fe0: 00000004 be894788 b6f124cf b6e987e6
 2076 10:57:59.581142  [  113.349857] Code: 00000000 c2b1b780 c2b1b840 c2b1b900 (e1a0c00d) 
 2077 10:57:59.581206  [  113.355987] ---[ end trace cf55c2bf51e529c7 ]---
 2078 10:57:59.581268  # Segmentation fault
 2079 10:57:59.644986  # [  112.953174] lkdtm: Performing direct entry EXEC_DATA
 2080 10:57:59.687666  # [  112.958167] lkdtm: attempting ok execution at c0c2fd98
 2081 10:57:59.687758  # [  112.963374] lkdtm: attempting bad execution at c26f794c
 2082 10:57:59.687847  # [  112.968620] 8<--- cut here ---
 2083 10:57:59.687932  # [  112.971685] Unable to handle kernel paging request at virtual address c26f794c
 2084 10:57:59.688013  # [  112.978926] pgd = b2562c8f
 2085 10:57:59.688093  # [  112.981659] [c26f794c] *pgd=1261141e(bad)
 2086 10:57:59.688171  # [  112.985735] Internal error: Oops: 8000000d [#3] SMP ARM
 2087 10:57:59.730730  # [  112.990989] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3
 2088 10:57:59.730824  # [  113.020268] CPU: 2 PID: 1784 Comm: cat Tainted: G      D W         5.10.155-cip21 #1
 2089 10:57:59.730913  # [  113.028034] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 2090 10:57:59.730996  # [  113.034607] PC is at data_area+0x0/0x40
 2091 10:57:59.731077  # [  113.038481] LR is at execute_location+0xa4/0xb4
 2092 10:57:59.774068  # [  113.043038] pc : [<c26f794c>]    lr : [<c138c2f4>]    psr: 600e0013
 2093 10:57:59.774277  # [  113.049327] sp : c5a41e38  ip : 00000027  fp : c5a41e54
 2094 10:57:59.774427  # [  113.054575] r10: 0000000a  r9 : c1ad0b00  r8 : c15e8634
 2095 10:57:59.774558  # [  113.059823] r7 : c5a41f60  r6 : 00000001  r5 : c26f794c  r4 : c0c2fd98
 2096 10:57:59.774683  # [  113.066373] r3 : 99f379bd  r2 : 99f379bd  r1 : ef7ab5e4  r0 : 0000002b
 2097 10:57:59.774807  # [  113.072927] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 2098 10:57:59.817364  # [  113.080087] Control: 10c5387d  Table: 1694004a  DAC: 00000051
 2099 10:57:59.817868  # [  113.085860] Process cat (pid: 1784, stack limit = 0x5e4853d2)
 2100 10:57:59.818295  # [  113.091631] Stack: (0xc5a41e38 to 0xc5a42000)
 2101 10:57:59.818691  # [  113.096019] 1e20:                                                       0000001f c5d87000
 2102 10:57:59.819074  # [  113.104229] 1e40: 0000000a c5a41f60 c5a41e64 c5a41e58 c138c460 c138c25c c5a41e74 c5a41e68
 2103 10:57:59.819468  # [  113.112438] 1e60: c0c2f028 c138c448 c5a41e9c c5a41e78 c0c2f528 c0c2f008 c0c2f408 c5aa5900
 2104 10:57:59.860712  # [  113.120648] 1e80: b6e60000 0000000a c513d000 c5a41f60 c5a41ec4 c5a41ea0 c07f6038 c0c2f414
 2105 10:57:59.861224  # [  113.128856] 1ea0: 00000000 c5aa5900 b6e60000 c2816000 c5a41f60 c07f5fd4 c5a41f5c c5a41ec8
 2106 10:57:59.861723  # [  113.137066] 1ec0: c0598ab8 c07f5fe0 00000001 00000000 c059904c c13a1a78 c059904c c5a40000
 2107 10:57:59.862216  # [  113.145274] 1ee0: b6e60000 00020000 00000004 0000000a 0001fff6 c5a41ee0 00000001 b6e5f000
 2108 10:57:59.862701  # [  113.153481] 1f00: c59ec8c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 2109 10:57:59.863144  # [  113.161690] 1f20: 00000000 00000000 c13a1a78 99f379bd c205cf60 c5aa5900 c5aa5900 c5a40000
 2110 10:57:59.903208  # [  113.169901] 1f40: b6e60000 00000000 00000000 00000004 c5a41f94 c5a41f60 c059904c c05989b8
 2111 10:57:59.903438  # [  113.178109] 1f60: 00000000 00000000 c5a41fac 99f379bd 0000000a 0000000a b6fa7e00 00000004
 2112 10:57:59.903569  # [  113.186317] 1f80: c03002e4 c5a40000 c5a41fa4 c5a41f98 c05990dc c0598fe4 00000000 c5a41fa8
 2113 10:57:59.903700  # [  113.194524] 1fa0: c03000c0 c05990d0 0000000a 0000000a 00000001 b6e60000 0000000a 00000000
 2114 10:57:59.903815  # [  113.202732] 1fc0: 0000000a 0000000a b6fa7e00 00000004 00000001 00000000 00020000 be894a54
 2115 10:57:59.946715  # [  113.210939] 1fe0: 00000004 be894788 b6f124cf b6e987e6 800e0030 00000001 00000000 00000000
 2116 10:57:59.947227  # [  113.219133] Backtrace: 
 2117 10:57:59.947653  # [  113.221635] [<c138c250>] (execute_location) from [<c138c460>] (lkdtm_EXEC_DATA+0x24/0x28)
 2118 10:57:59.948050  # [  113.229844]  r7:c5a41f60 r6:0000000a r5:c5d87000 r4:0000001f
 2119 10:57:59.948435  # [  113.235553] [<c138c43c>] (lkdtm_EXEC_DATA) from [<c0c2f028>] (lkdtm_do_action+0x2c/0x4c)
 2120 10:57:59.948849  # [  113.243686] [<c0c2effc>] (lkdtm_do_action) from [<c0c2f528>] (direct_entry+0x120/0x18c)
 2121 10:57:59.989572  # [  113.251737] [<c0c2f408>] (direct_entry) from [<c07f6038>] (full_proxy_write+0x64/0x94)
 2122 10:57:59.990078  # [  113.259694]  r9:c5a41f60 r8:c513d000 r7:0000000a r6:b6e60000 r5:c5aa5900 r4:c0c2f408
 2123 10:57:59.990507  # [  113.267487] [<c07f5fd4>] (full_proxy_write) from [<c0598ab8>] (vfs_write+0x10c/0x524)
 2124 10:57:59.990901  # [  113.275355]  r9:c07f5fd4 r8:c5a41f60 r7:c2816000 r6:b6e60000 r5:c5aa5900 r4:00000000
 2125 10:57:59.991286  # [  113.283136] [<c05989ac>] (vfs_write)[  113.771876] lkdtm: Performing direct entry EXEC_STACK
 2126 10:58:00.033078   from [<c059904c>] (ksys_write+0x[  113.777621] lkdtm: attempting ok execution at c0c2fd98
 2127 10:58:00.033592  74/0xec)
 2128 10:58:00.034021  # [  113.290307]  r10:0[  113.785671] lkdtm: attempting bad execution at c5d99e0c
 2129 10:58:00.034420  0000004 r9:00000000 r8:00000000 r[  113.793792] 8<--- cut here ---
 2130 10:58:00.034813  7:b6e6000[0   r161:3c.57a94906000] Unable to handle kernel paging request at virtual address c5d99e0c
 2131 10:58:00.035200  0 r5:c5aa5[9 0 01
 2132 10:58:00.035582  1
 2133 10:58:00.035953  3#. 8[0 8 5169] pgd = e2e428cd
 2134 10:58:00.036330  3.298159]  r4:c5aa5900
 2135 10:58:00.036732  # [[    113.813097] [c5d99e0c] *pgd=15c1141e(bad)
 2136 10:58:00.077152  13.300730] [<c0598[f d 81>1]3 .(819628] Internal error: Oops: 8000000d [#4] SMP ARM
 2137 10:58:00.077673  sys_write) from [<c05990dc>] (sys[  113.827018] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3
 2138 10:58:00.078124  _write+0x18/0x1c)
 2139 10:58:00.078522  [
 2140 10:58:00.078903    #1 1[3 . 818723] CPU: 2 PID: 1860 Comm: cat Tainted: G      D W         5.10.155-cip21 #1
 2141 10:58:00.121291  13.307897][    r191:3c.58a64805041] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 2142 10:58:00.121849  0 r8:c03002e4 r7:[0 0 0101030.0846895] PC is at 0xc5d99e0c
 2143 10:58:00.122328   r6:b6fa7e00 r5:0000000[a   r141:.882123] LR is at execute_location+0xa4/0xb4
 2144 10:58:00.122762  0000000a
 2145 10:58:00.123188  # [[    11131.38.8381956] pc : [<c5d99e0c>]    lr : [<c138c2f4>]    psr: 600e0013
 2146 10:58:00.123601  681] [<c0[5 9 9101c34.>8]9 7(0s7y] sp : c5d99de8  ip : c5d99cf0  fp : c5d99e04
 2147 10:58:00.124018  s_write) fr[o m  1[1<3c.0930040003] r10: 0000000b  r9 : c1ad0b0c  r8 : c15e8634
 2148 10:58:00.165306  c0>] (ret_f[a s t11_3s.y9s1c1a0l78] r7 : c5d99f60  r6 : 00000001  r5 : c5d99e0c  r4 : c0c2fd98
 2149 10:58:00.165854  +0x0/0x28)[
 2150 10:58:00.166327   
 2151 10:58:00.166756   #1 1[3 . 9111934.26] r3 : 0c734625  r2 : 0c734625  r1 : ef7ab5e0  r0 : 0000002b
 2152 10:58:00.167177  23276] Except[i o n1 1s3t.a9c2k7(76] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 2153 10:58:00.167604  0xc5a41fa8 t[o   01x1c35.a94316f817] Control: 10c5387d  Table: 16e8c04a  DAC: 00000051
 2154 10:58:00.168026  0)
 2155 10:58:00.168421  # [  113.[3 2 8131539.]94 41472] Process cat (pid: 1860, stack limit = 0xd6babaa4)
 2156 10:58:00.209328  a0:        [     1 1 3 . 9 5 2 1 4] Stack: (0xc5d99de8 to 0xc5d9a000)
 2157 10:58:00.209876  0000000a 0000000a 0[0 0 0101030.158307] 9de0:                   c5d98000 c6aab000 0000000b c5d99f60 c5d99e64 c5d99e08
 2158 10:58:00.210354   b6e60000 000000[0 a  101030.09068650] 9e00: c138c49c c138c25c c5d99e6c e1a0c00d e92dd800 e24cb004 e52de004 e8bd4000
 2159 10:58:00.210787  00
 2160 10:58:00.211208  # [  113.336[5 6 71]13 .19f7c908] 9e20: e89da800 e1a0c00d e92dd830 e24cb004 e52de004 e8bd4000 e3023374 e34c31b8
 2161 10:58:00.253300  0: 0000000a 0000[0 0 01a1 3b.69f89079] 9e40: e3a02040 e3a01d33 e5930018 0c734625 0000000b 00000020 c5d99e74 c5d99e68
 2162 10:58:00.253860  7e00 00000004[  0 0101030.090919 36] 9e60: c0c2f028 c138c470 c5d99e9c c5d99e78 c0c2f528 c0c2f008 c0c2f408 c471d900
 2163 10:58:00.254340  00000000 000200[0 0  1b1e48.9040a421] 9e80: b6e45000 0000000b c513d000 c5d99f60 c5d99ec4 c5d99ea0 c07f6038 c0c2f414
 2164 10:58:00.254784  54
 2165 10:58:00.255207  # [  113.34477[1 ]  111f4e.0019594] 9ea0: 00000000 c471d900 b6e45000 c2816000 c5d99f60 c07f5fd4 c5d99f5c c5d99ec8
 2166 10:58:00.255623   00000004 be894[7 8 81 1b46.f0122936] 9ec0: c0598ab8 c07f5fe0 00000001 00000000 c059904c c13a1a78 c059904c c5d98000
 2167 10:58:00.256038  4cf b6e987e6
 2168 10:58:00.297299  # [[    111143..0340109] 9ee0: b6e45000 00020000 00000004 0000000b 0001fff5 c5d99ee0 00000001 b6e44000
 2169 10:58:00.297813  9857] Code: 0[0 0 0101040.00 5c0264] 9f00: c5d17680 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 2170 10:58:00.298303  b1b780 c2b1b840[  c 21b114b.90060450] 9f20: 00000000 00000000 c13a1a78 0c734625 c205cf60 c471d900 c471d900 c5d98000
 2171 10:58:00.298736   (e1a0c00d) 
 2172 10:58:00.299155  #[  [  1 1141.30.73623] 9f40: b6e45000 00000000 00000000 00000004 c5d99f94 c5d99f60 c059904c c05989b8
 2173 10:58:00.341436  55987] ---[ end[  t r1a1c4e. 0c8f795] 9f60: 00000000 00000000 c5d99fac 0c734625 0000000b 0000000b b6f8ce00 00000004
 2174 10:58:00.341992  55c2bf51e529c7[  ] -1-1-4
 2175 10:58:00.342461  .
 2176 10:58:00.342890  0#9 0967] 9f80: c03002e4 c5d98000 c5d99fa4 c5d99f98 c05990dc c0598fe4 00000000 c5d99fa8
 2177 10:58:00.343318  XEC_DATA: missing [' c a1l1l4 .t101140] 9fa0: c03000c0 c05990d0 0000000b 0000000b 00000001 b6e45000 0000000b 00000000
 2178 10:58:00.343700  ace:': [FAIL]
 2179 10:58:00.344073  [n o t1 1o4k. 1310483] 9fc0: 0000000b 0000000b b6f8ce00 00000004 00000001 00000000 00020000 bec02a54
 2180 10:58:00.385301   selftests: lkdtm: [E X E1C1_4D.A21655] 9fe0: 00000004 bec02788 b6ef74cf b6e7d7e6 800e0030 00000001 00000000 00000000
 2181 10:58:00.385815  TA.sh # exit=[1 
 2182 10:58:00.386247   
 2183 10:58:00.386648  1#1 4s.e1l3f1t91] Backtrace: 
 2184 10:58:00.387039  ests: lkdtm: EXEC_ST[A C K1.1s4h.136356] [<c138c250>] (execute_location) from [<c138c49c>] (lkdtm_EXEC_STACK+0x38/0x54)
 2185 10:58:00.387426  
 2186 10:58:00.387800  [  114.146871]  r7:c5d99f60 r6:0000000b r5:c6aab000 r4:c5d98000
 2187 10:58:00.388171  [  114.152625] [<c138c464>] (lkdtm_EXEC_STACK) from [<c0c2f028>] (lkdtm_do_action+0x2c/0x4c)
 2188 10:58:00.388537  [  114.160807]  r4:00000020
 2189 10:58:00.388932  [  114.163355] [<c0c2effc>] (lkdtm_do_action) from [<c0c2f528>] (direct_entry+0x120/0x18c)
 2190 10:58:00.429297  [  114.171373] [<c0c2f408>] (direct_entry) from [<c07f6038>] (full_proxy_write+0x64/0x94)
 2191 10:58:00.429811  [  114.179300]  r9:c5d99f60 r8:c513d000 r7:0000000b r6:b6e45000 r5:c471d900 r4:c0c2f408
 2192 10:58:00.430245  [  114.187056] [<c07f5fd4>] (full_proxy_write) from [<c0598ab8>] (vfs_write+0x10c/0x524)
 2193 10:58:00.430645  [  114.194893]  r9:c07f5fd4 r8:c5d99f60 r7:c2816000 r6:b6e45000 r5:c471d900 r4:00000000
 2194 10:58:00.431036  [  114.202647] [<c05989ac>] (vfs_write) from [<c059904c>] (ksys_write+0x74/0xec)
 2195 10:58:00.473409  [  114.209790]  r10:00000004 r9:00000000 r8:00000000 r7:b6e45000 r6:c5d98000 r5:c471d900
 2196 10:58:00.473925  [  114.217623]  r4:c471d900
 2197 10:58:00.474351  [  114.220165] [<c0598fd8>] (ksys_write) from [<c05990dc>] (sys_write+0x18/0x1c)
 2198 10:58:00.474747  [  114.227310]  r9:c5d98000 r8:c03002e4 r7:00000004 r6:b6f8ce00 r5:0000000b r4:0000000b
 2199 10:58:00.475135  [  114.235066] [<c05990c4>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 2200 10:58:00.475512  [  114.242640] Exception stack(0xc5d99fa8 to 0xc5d99ff0)
 2201 10:58:00.475888  [  114.247701] 9fa0:                   0000000b 0000000b 00000001 b6e45000 0000000b 00000000
 2202 10:58:00.517065  [  114.255885] 9fc0: 0000000b 0000000b b6f8ce00 00000004 00000001 00000000 00020000 bec02a54
 2203 10:58:00.517558  [  114.264068] 9fe0: 00000004 bec02788 b6ef74cf b6e7d7e6
 2204 10:58:00.517995  [  114.269127] Code: c5d99e08 c138c49c c138c25c c5d99e6c (e1a0c00d) 
 2205 10:58:00.518451  [  114.275232] ---[ end trace cf55c2bf51e529c8 ]---
 2206 10:58:00.518860  # Segmentation fault
 2207 10:58:00.611622  # [  113.771876] lkdtm: Performing direct entry EXEC_STACK
 2208 10:58:00.611777  # [  113.777621] lkdtm: attempting ok execution at c0c2fd98
 2209 10:58:00.611870  # [  113.785671] lkdtm: attempting bad execution at c5d99e0c
 2210 10:58:00.611952  # [  113.793792] 8<--- cut here ---
 2211 10:58:00.612030  # [  113.799608] Unable to handle kernel paging request at virtual address c5d99e0c
 2212 10:58:00.612108  # [  113.808569] pgd = e2e428cd
 2213 10:58:00.612185  # [  113.813097] [c5d99e0c] *pgd=15c1141e(bad)
 2214 10:58:00.612261  # [  113.819628] Internal error: Oops: 8000000d [#4] SMP ARM
 2215 10:58:00.654783  # [  113.827018] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3
 2216 10:58:00.654944  # [  113.858723] CPU: 2 PID: 1860 Comm: cat Tainted: G      D W         5.10.155-cip21 #1
 2217 10:58:00.655038  # [  113.868541] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 2218 10:58:00.655120  # [  113.876895] PC is at 0xc5d99e0c
 2219 10:58:00.697863  # [  113.882123] LR is at execute_location+0xa4/0xb4
 2220 10:58:00.697950  # [  113.888986] pc : [<c5d99e0c>]    lr : [<c138c2f4>]    psr: 600e0013
 2221 10:58:00.698040  # [  113.897073] sp : c5d99de8  ip : c5d99cf0  fp : c5d99e04
 2222 10:58:00.698123  # [  113.904033] r10: 0000000b  r9 : c1ad0b0c  r8 : c15e8634
 2223 10:58:00.698204  # [  113.911078] r7 : c5d99f60  r6 : 00000001  r5 : c5d99e0c  r4 : c0c2fd98
 2224 10:58:00.698283  # [  113.919426] r3 : 0c734625  r2 : 0c734625  r1 : ef7ab5e0  r0 : 0000002b
 2225 10:58:00.698359  # [  113.927776] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 2226 10:58:00.741099  # [  113.936817] Control: 10c5387d  Table: 16e8c04a  DAC: 00000051
 2227 10:58:00.741302  # [  113.944472] Process cat (pid: 1860, stack limit = 0xd6babaa4)
 2228 10:58:00.741448  # [  113.952124] Stack: (0xc5d99de8 to 0xc5d9a000)
 2229 10:58:00.741579  # [  113.958307] 9de0:                   c5d98000 c6aab000 0000000b c5d99f60 c5d99e64 c5d99e08
 2230 10:58:00.741718  # [  113.968650] 9e00: c138c49c c138c25c c5d99e6c e1a0c00d e92dd800 e24cb004 e52de004 e8bd4000
 2231 10:58:00.741838  # [  113.978908] 9e20: e89da800 e1a0c00d e92dd830 e24cb004 e52de004 e8bd4000 e3023374 e34c31b8
 2232 10:58:00.785127  # [  113.989079] 9e40: e3a02040 e3a01d33 e5930018 0c734625 0000000b 00000020 c5d99e74 c5d99e68
 2233 10:58:00.785650  # [  113.999336] 9e60: c0c2f028 c138c470 c5d99e9c c5d99e78 c0c2f528 c0c2f008 c0c2f408 c471d900
 2234 10:58:00.786109  # [  114.009421] 9e80: b6e45000 0000000b c513d000 c5d99f60 c5d99ec4 c5d99ea0 c07f6038 c0c2f414
 2235 10:58:00.786534  # [  114.019594] 9ea0: 00000000 c471d900 b6e45000 c2816000 c5d99f60 c07f5fd4 c5d99f5c c5d99ec8
 2236 10:58:00.786948  # [  114.029936] 9ec0: c0598ab8 c07f5fe0 00000001 00000000 c059904c c13a1a78 c059904c c5d98000
 2237 10:58:00.833193  # [  114.040109] 9ee0: b6e45000 00020000 00000004 0000000b 0001fff5 c5d99ee0 00000001 b6e44000
 2238 10:58:00.833764  # [  114.050364] 9f00: c5d17680 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 2239 10:58:00.834246  # [  114.060450] 9f20: 00000000 00000000 c13a1a78 0c734625 c205cf60 c471d900 c471d900 c5d98000
 2240 10:58:00.834677  # [  114.070623] 9f40: b6e45000 00000000 00000000 00000004 c5d99f94 c5d99f60 c059904c c05989b8
 2241 10:58:00.835093  # [  114.080795] 9f60: 00000000 00000000 c5d99fac 0c734625 0000000b 0000000b b6f8ce00 00000004
 2242 10:58:00.877164  # [  114.090967] 9f80: c03002e4 c5d98000 c5d99fa4 c5d99f98 c05990dc c0598fe4 00000000 c5d99fa8
 2243 10:58:00.877714  # [  114.101140] 9fa0: c03000c0 c05990d0 0000000b 0000000b 00000001 b6e45000 0000000b 00000000
 2244 10:58:00.878177  # [  114.111483] 9fc0: 0000000b 0000000b b6f8ce00 00000004 00000001 00000000 00020000 bec02a54
 2245 10:58:00.878602  # [  114.121655] 9fe0: 00000004 bec02788 b6ef74cf b6e7d7e6 800e0030 00000001 00000000 00000000
 2246 10:58:00.879019  # [  114.131991] Backtrace: 
 2247 10:58:00.879429  # [  114.136356] [<c138c250>] (execute_location) from [<c138c49c>] (lkdtm_EXEC_STACK+0x38/0x54)
 2248 10:58:00.921265  # [  114.146871]  r7:c5d99f60 r6:0000000b r5:c6aab000 r4:c5d98000
 2249 10:58:00.921815  # [  114.152625] [<c138c464>] (lkdtm_EXEC_STACK) from [<c0c2f028>] (lkdtm_do_action+0x2c/0x4c)
 2250 10:58:00.922279  # [  114.160807]  r4:00000020
 2251 10:58:00.922706  # [  114.163355] [<c0c2effc>] (lkdtm_do_action) from [<c0c2f528>] (direct_entry+0x120/0x18c)
 2252 10:58:00.923123  # [  114.171373] [<c0c2f408>] (direct_entry) from [<c07f6038>] (full_proxy_write+0x64/0x94)
 2253 10:58:00.923535  # [  114.179300]  r9:c5d99f60 r8:c513d000 r7:0000000b r6:b6e45000 r5:c471d900 r4:c0c2f408
 2254 10:58:00.965268  # [  114.187056] [<c07f5fd4>] (full_proxy_write) from [<c0598ab8>] (vfs_write+0x10c/0x524)
 2255 10:58:00.965816  # [  114.194893]  r9:c07f5fd4 r8:c5d99f60 r7:c2816000 r6:b6e45000 r5:c471d900 r4:00000000
 2256 10:58:00.966286  # [  114.202647] [<c05989ac>] (vfs_write) from [<c059904c>] (ksys_write+0x74/0xec)
 2257 10:58:00.966716  # [  114.209790]  r10:00000004 r9:00000000 r8:00000000 r7:b6e45000 r6:c5d98000 r5:c471d900
 2258 10:58:00.967166  # [  114.217623]  r4:c471d900
 2259 10:58:00.967598  # [  114.220165] [<c0598fd8>] (ksys_write) from [<c05990dc>] (sys_write+0x18/0x1c)
 2260 10:58:00.968015  # [  114.227310]  r9:c5[  114.742679] lkdtm: Performing direct entry EXEC_KMALLOC
 2261 10:58:01.009263  d98000 r8:c03002e4 r7[: 0 0101040749622] lkdtm: attempting ok execution at c0c2fd98
 2262 10:58:01.009813  004 r6:b6f8ce00 r5:0000000b r4:00[  114.757157] lkdtm: attempting bad execution at c58006c0
 2263 10:58:01.010291  00000b
 2264 10:58:01.010726  # [  114.235066] [<c05990[  114.765237] 8<--- cut here ---
 2265 10:58:01.011146  c4>] (sys_write) from [[< c 01310.771037] Unable to handle kernel paging request at virtual address c58006c0
 2266 10:58:01.011562  00c0>] (ret_fast_[s y s1c1a4l.l7+0611] pgd = a707dbcd
 2267 10:58:01.011978  0x0/0x28)
 2268 10:58:01.012387  # [  114.242640] Excep[  114.785409] [c58006c0] *pgd=1581141e(bad)
 2269 10:58:01.053345  tion stack(0xc5d99fa8 to 0xc5d[9  114.792302] Internal error: Oops: 8000000d [#5] SMP ARM
 2270 10:58:01.053897  ff0)
 2271 10:58:01.054363  # [  114.247701] 9fa0:     [  114.800218] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3
 2272 10:58:01.097365                0000000b 0000000b [  114.831938] CPU: 1 PID: 1939 Comm: cat Tainted: G      D W         5.10.155-cip21 #1
 2273 10:58:01.097911  0000001 b6e450[0 0  101040.080402453] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 2274 10:58:01.098389  b 00000000
 2275 10:58:01.098818  # [  114.255885] [9 f114.850992] PC is at 0xc58006c0
 2276 10:58:01.099237  c0: 0000000b 0000000b b6f8ce00 00[  114.856752] LR is at execute_location+0xa4/0xb4
 2277 10:58:01.099653  000004 00000001 [0 0 0101040.08064142] pc : [<c58006c0>]    lr : [<c138c2f4>]    psr: 600e0013
 2278 10:58:01.100074  00020000 bec02a54
 2279 10:58:01.100482  [
 2280 10:58:01.100923   #  1[1 4 .1872500] sp : c6a29e30  ip : c6a29d38  fp : c6a29e4c
 2281 10:58:01.140960  4.264068] 9fe0: 00000004[  b e1c14.879903] r10: 0000000d  r9 : c1ad0b18  r8 : c15e8634
 2282 10:58:01.141353  2788 b6ef74cf b6e7d[7 e 611
 2283 10:58:01.141757  4
 2284 10:58:01.142186  .#887562] r7 : c6a29f60  r6 : 00000001  r5 : c58006c0  r4 : c0c2fd98
 2285 10:58:01.142603  [  114.269127] Co[d e :1 1c45.d896264] r3 : 53dda255  r2 : 53dda255  r1 : ef7965e0  r0 : 0000002b
 2286 10:58:01.143012  9e08 c138c49c c138c25c [c 5 d1919.904887] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 2287 10:58:01.143423  e6c (e1a0c00d) 
 2288 10:58:01.143822  # [  [1 1 41.124.914370] Control: 10c5387d  Table: 16fb804a  DAC: 00000051
 2289 10:58:01.185091  5232] ---[ end trace [c f 5151c42922466] Process cat (pid: 1939, stack limit = 0x54e4cc76)
 2290 10:58:01.185606  bf51e529c8 ]---
 2291 10:58:01.186043  # EX[E C _1S1T4A930476] Stack: (0xc6a29e30 to 0xc6a2a000)
 2292 10:58:01.186440  CK: missing 'call trace:': [FA[I  114.937103] 9e20:                                     c58006c0 c6aa9000 0000000d c6a29f60
 2293 10:58:01.186831  ]
 2294 10:58:01.187213  not ok 31 selftests: lkdtm: EX[  114.947981] 9e40: c6a29e64 c6a29e50 c0c2fde8 c138c25c 00000021 c6aa9000 c6a29e74 c6a29e68
 2295 10:58:01.187595  EC_STACK.sh # exit=1
 2296 10:58:01.229314  # se[l f t114.959028] 9e60: c0c2f028 c0c2fdbc c6a29e9c c6a29e78 c0c2f528 c0c2f008 c0c2f408 c5b1a8c0
 2297 10:58:01.229862  sts: lkdtm: EXEC_KMALLOC.sh
 2298 10:58:01.230329  [  114.969731] 9e80: b6e41000 0000000d c513d000 c6a29f60 c6a29ec4 c6a29ea0 c07f6038 c0c2f414
 2299 10:58:01.230764  [  114.980432] 9ea0: 00000000 c5b1a8c0 b6e41000 c2816000 c6a29f60 c07f5fd4 c6a29f5c c6a29ec8
 2300 10:58:01.231182  [  114.988642] 9ec0: c0598ab8 c07f5fe0 00000001 00000000 c059904c c13a1a78 c059904c c6a28000
 2301 10:58:01.231594  [  114.996851] 9ee0: b6e41000 00020000 00000004 0000000d 0001fff3 c6a29ee0 00000001 b6e40000
 2302 10:58:01.273357  [  115.005058] 9f00: c6b1e640 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 2303 10:58:01.273901  [  115.013267] 9f20: 00000000 00000000 c13a1a78 53dda255 c205cf60 c5b1a8c0 c5b1a8c0 c6a28000
 2304 10:58:01.274369  [  115.021478] 9f40: b6e41000 00000000 00000000 00000004 c6a29f94 c6a29f60 c059904c c05989b8
 2305 10:58:01.274802  [  115.029687] 9f60: 00000000 00000000 c6a29fac 53dda255 0000000d 0000000d b6f88e00 00000004
 2306 10:58:01.275222  [  115.037895] 9f80: c03002e4 c6a28000 c6a29fa4 c6a29f98 c05990dc c0598fe4 00000000 c6a29fa8
 2307 10:58:01.317369  [  115.046103] 9fa0: c03000c0 c05990d0 0000000d 0000000d 00000001 b6e41000 0000000d 00000000
 2308 10:58:01.317917  [  115.054310] 9fc0: 0000000d 0000000d b6f88e00 00000004 00000001 00000000 00020000 beb16a54
 2309 10:58:01.318385  [  115.062517] 9fe0: 00000004 beb16788 b6ef34cf b6e797e6 800e0030 00000001 00000000 00000000
 2310 10:58:01.318815  [  115.070711] Backtrace: 
 2311 10:58:01.319228  [  115.073212] [<c138c250>] (execute_location) from [<c0c2fde8>] (lkdtm_EXEC_KMALLOC+0x38/0x44)
 2312 10:58:01.319641  [  115.081685]  r7:c6a29f60 r6:0000000d r5:c6aa9000 r4:c58006c0
 2313 10:58:01.320047  [  115.087391] [<c0c2fdb0>] (lkdtm_EXEC_KMALLOC) from [<c0c2f028>] (lkdtm_do_action+0x2c/0x4c)
 2314 10:58:01.361031  [  115.095768]  r5:c6aa9000 r4:00000021
 2315 10:58:01.361446  [  115.099385] [<c0c2effc>] (lkdtm_do_action) from [<c0c2f528>] (direct_entry+0x120/0x18c)
 2316 10:58:01.361863  [  115.107432] [<c0c2f408>] (direct_entry) from [<c07f6038>] (full_proxy_write+0x64/0x94)
 2317 10:58:01.362261  [  115.115382]  r9:c6a29f60 r8:c513d000 r7:0000000d r6:b6e41000 r5:c5b1a8c0 r4:c0c2f408
 2318 10:58:01.362648  [  115.123168] [<c07f5fd4>] (full_proxy_write) from [<c0598ab8>] (vfs_write+0x10c/0x524)
 2319 10:58:01.363032  [  115.131031]  r9:c07f5fd4 r8:c6a29f60 r7:c2816000 r6:b6e41000 r5:c5b1a8c0 r4:00000000
 2320 10:58:01.405410  [  115.138813] [<c05989ac>] (vfs_write) from [<c059904c>] (ksys_write+0x74/0xec)
 2321 10:58:01.405954  [  115.145980]  r10:00000004 r9:00000000 r8:00000000 r7:b6e41000 r6:c6a28000 r5:c5b1a8c0
 2322 10:58:01.406423  [  115.153830]  r4:c5b1a8c0
 2323 10:58:01.406847  [  115.156400] [<c0598fd8>] (ksys_write) from [<c05990dc>] (sys_write+0x18/0x1c)
 2324 10:58:01.407269  [  115.163566]  r9:c6a28000 r8:c03002e4 r7:00000004 r6:b6f88e00 r5:0000000d r4:0000000d
 2325 10:58:01.407649  [  115.171348] [<c05990c4>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 2326 10:58:01.448805  [  115.178940] Exception stack(0xc6a29fa8 to 0xc6a29ff0)
 2327 10:58:01.448963  [  115.184022] 9fa0:                   0000000d 0000000d 00000001 b6e41000 0000000d 00000000
 2328 10:58:01.449057  [  115.192232] 9fc0: 0000000d 0000000d b6f88e00 00000004 00000001 00000000 00020000 beb16a54
 2329 10:58:01.449138  [  115.200435] 9fe0: 00000004 beb16788 b6ef34cf b6e797e6
 2330 10:58:01.449217  [  115.205520] Code: 00160017 fffc7fff dfefffff ffffdfff (e1a0c00d) 
 2331 10:58:01.449293  [  115.211649] ---[ end trace cf55c2bf51e529c9 ]---
 2332 10:58:01.449370  # Segmentation fault
 2333 10:58:01.536266  # [  114.742679] lkdtm: Performing direct entry EXEC_KMALLOC
 2334 10:58:01.536427  # [  114.749622] lkdtm: attempting ok execution at c0c2fd98
 2335 10:58:01.536522  # [  114.757157] lkdtm: attempting bad execution at c58006c0
 2336 10:58:01.536604  # [  114.765237] 8<--- cut here ---
 2337 10:58:01.536708  # [  114.771037] Unable to handle kernel paging request at virtual address c58006c0
 2338 10:58:01.536799  # [  114.780611] pgd = a707dbcd
 2339 10:58:01.536905  # [  114.785409] [c58006c0] *pgd=1581141e(bad)
 2340 10:58:01.536987  # [  114.792302] Internal error: Oops: 8000000d [#5] SMP ARM
 2341 10:58:01.579276  # [  114.800218] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3
 2342 10:58:01.579367  # [  114.831938] CPU: 1 PID: 1939 Comm: cat Tainted: G      D W         5.10.155-cip21 #1
 2343 10:58:01.579453  # [  114.842453] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 2344 10:58:01.579537  # [  114.850992] PC is at 0xc58006c0
 2345 10:58:01.622363  # [  114.856752] LR is at execute_location+0xa4/0xb4
 2346 10:58:01.622450  # [  114.864142] pc : [<c58006c0>]    lr : [<c138c2f4>]    psr: 600e0013
 2347 10:58:01.622535  # [  114.872500] sp : c6a29e30  ip : c6a29d38  fp : c6a29e4c
 2348 10:58:01.622616  # [  114.879903] r10: 0000000d  r9 : c1ad0b18  r8 : c15e8634
 2349 10:58:01.622693  # [  114.887562] r7 : c6a29f60  r6 : 00000001  r5 : c58006c0  r4 : c0c2fd98
 2350 10:58:01.622769  # [  114.896264] r3 : 53dda255  r2 : 53dda255  r1 : ef7965e0  r0 : 0000002b
 2351 10:58:01.622845  # [  114.904887] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 2352 10:58:01.665394  # [  114.914370] Control: 10c5387d  Table: 16fb804a  DAC: 00000051
 2353 10:58:01.665487  # [  114.922466] Process cat (pid: 1939, stack limit = 0x54e4cc76)
 2354 10:58:01.665578  # [  114.930476] Stack: (0xc6a29e30 to 0xc6a2a000)
 2355 10:58:01.665664  # [  114.937103] 9e20:                                     c58006c0 c6aa9000 0000000d c6a29f60
 2356 10:58:01.665747  # [  114.947981] 9e40: c6a29e64 c6a29e50 c0c2fde8 c138c25c 00000021 c6aa9000 c6a29e74 c6a29e68
 2357 10:58:01.665830  # [  114.959028] 9e60: c0c2f028 c0c2fdbc c6a29e9c c6a29e78 c0c2f528 c0c2f008 c0c2f408 c5b1a8c0
 2358 10:58:01.713118  # [  114.969731] 9e80: b6e41000 0000000d c513d000 c6a29f60 c6a29ec4 c6a29ea0 c07f6038 c0c2f414
 2359 10:58:01.713378  # [  114.980432] 9ea0: 00000000 c5b1a8c0 b6e41000 c2816000 c6a29f60 c07f5fd4 c6a29f5c c6a29ec8
 2360 10:58:01.713575  # [  114.988642] 9ec0: c0598ab8 c07f5fe0 00000001 00000000 c059904c c13a1a78 c059904c c6a28000
 2361 10:58:01.713752  # [  114.996851] 9ee0: b6e41000 00020000 00000004 0000000d 0001fff3 c6a29ee0 00000001 b6e40000
 2362 10:58:01.713926  # [  115.005058] 9f00: c6b1e640 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 2363 10:58:01.757140  # [  115.013267] 9f20: 00000000 00000000 c13a1a78 53dda255 c205cf60 c5b1a8c0 c5b1a8c0 c6a28000
 2364 10:58:01.757692  # [  115.021478] 9f40: b6e41000 00000000 00000000 00000004 c6a29f94 c6a29f60 c059904c c05989b8
 2365 10:58:01.758160  # [  115.029687] 9f60: 00000000 00000000 c6a29fac 53dda255 0000000d 0000000d b6f88e00 00000004
 2366 10:58:01.758600  # [  115.037895] 9f80: c03002e4 c6a28000 c6a29fa4 c6a29f98 c05990dc c0598fe4 00000000 c6a29fa8
 2367 10:58:01.759018  # [  115.046103] 9fa0: c03000c0 c05990d0 0000000d 0000000d 00000001 b6e41000 0000000d 00000000
 2368 10:58:01.801271  # [  115.054310] 9fc0: 0000000d 0000000d b6f88e00 00000004 00000001 00000000 00020000 beb16a54
 2369 10:58:01.801820  # [  115.062517] 9fe0: 00000004 beb16788 b6ef34cf b6e797e6 800e0030 00000001 00000000 00000000
 2370 10:58:01.802291  # [  115.070711] Backtrace: 
 2371 10:58:01.802715  # [  115.073212] [<c138c250>] (execute_location) from [<c0c2fde8>] (lkdtm_EXEC_KMALLOC+0x38/0x44)
 2372 10:58:01.803136  # [  115.081685]  r7:c6a29f60 r6:0000000d r5:c6aa9000 r4:c58006c0
 2373 10:58:01.803546  # [  115.087391] [<c0c2fdb0>] (lkdtm_EXEC_KMALLOC) from [<c0c2f028>] (lkdtm_do_action+0x2c/0x4c)
 2374 10:58:01.803951  # [  115.095768]  r5:c6aa9000 r4:00000021
 2375 10:58:01.845269  # [  115.099385] [<c0c2effc>] (lkdtm_do_action) from [<c0c2f528>] (direct_entry+0x120/0x18c)
 2376 10:58:01.845817  # [  115.107432] [<c0c2f408>] (direct_entry) from [<c07f6038>] (full_proxy_write+0x64/0x94)
 2377 10:58:01.846292  # [  115.115382]  r9:c6a29f60 r8:c513d000 r7:0000000d r6:b6e41000 r5:c5b1a8c0 r4:c0c2f408
 2378 10:58:01.846725  # [  115.123168] [<c07f5fd4>] (full_proxy_write) from [<c0598ab8>] (vfs_write+0x10c/0x524)
 2379 10:58:01.847146  # [  115.131031]  r9:c07f5fd4 r8:c6a29f60 r7:c2816000 r6:b6e41000 r5:c5b1a8c0 r4:00000000
 2380 10:58:01.888789  # [  115.138813] [<c05989ac>] (vfs_write) from [<c059904c>] ([  115.630680] lkdtm: Performing direct entry EXEC_VMALLOC
 2381 10:58:01.888950  ksys_write+0x74/0xec)
 2382 10:58:01.889041  # [  115.1[  115.637484] lkdtm: attempting ok execution at c0c2fd98
 2383 10:58:01.889125  45980]  r10:00000004 r9:00000000 [  115.645279] lkdtm: attempting bad execution at f0972000
 2384 10:58:01.889210  r8:00000000 r7:b6e41000 r6:c6a280[  115.653376] 8<--- cut here ---
 2385 10:58:01.889288  00 r5:c5b1a8c0
 2386 10:58:01.889366  # [  1[1 5 .11155.659215] Unable to handle kernel paging request at virtual address f0972000
 2387 10:58:01.889441  830]  r4:c5b1a8c0
 2388 10:58:01.889519  # [  115.15640[  115.668819] pgd = 770d008b
 2389 10:58:01.933063  0] [<c0598fd8>] (ksys_write) from[  115.674404] [f0972000] *pgd=1294b811, *pte=4940265f, *ppte=4940245f
 2390 10:58:01.933248   [<c05990dc>] (sys_write+0x18/0x1[  115.683549] Internal error: Oops: 8000000f [#6] SMP ARM
 2391 10:58:01.933376  c)
 2392 10:58:01.977225  # [  115.163566]  r9:c6a28000[  115.691573] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3
 2393 10:58:01.977522   r8:c03002e4 r7:00000004[  r 61:15.723280] CPU: 1 PID: 2016 Comm: cat Tainted: G      D W         5.10.155-cip21 #1
 2394 10:58:01.977754  6f88e00 r5:0[0 0 0101050.d7 3r34446] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 2395 10:58:01.977962  0000000d
 2396 10:58:01.978162  # [  115[. 1 7111354.8741889] PC is at 0xf0972000
 2397 10:58:01.978349   [<c05990c4>] (sys_write) fro[m  115.747206] LR is at execute_location+0xa4/0xb4
 2398 10:58:02.021273  [<c03000c0>] ([r e t1_1f5a.7s5t4_29] pc : [<f0972000>]    lr : [<c138c2f4>]    psr: 600e0013
 2399 10:58:02.021827  syscall+0x0[/ 0 x12185).
 2400 10:58:02.022298  7
 2401 10:58:02.022732  6#2 5[4] sp : c69d1e30  ip : c69d1d38  fp : c69d1e4c
 2402 10:58:02.023164    115.178940[]   E1x1c5e.p7t6i9o553] r10: 0000000d  r9 : c1ad0b28  r8 : c15e8634
 2403 10:58:02.023578   stack(0xc6a2[9 f a1185 .t7o7 60686] r7 : c69d1f60  r6 : 00000001  r5 : f0972000  r4 : c0c2fd98
 2404 10:58:02.023990  c6a29ff0)
 2405 10:58:02.024390  [#   [1 1 51.1758.51181] r3 : f3da5cfb  r2 : f3da5cfb  r1 : ef7965e0  r0 : 0000002b
 2406 10:58:02.024831  4022] 9fa0:   [     1 1 5 . 7 9 3472] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 2407 10:58:02.065360        000000[0 d  101050.0800020603] Control: 10c5387d  Table: 16edc04a  DAC: 00000051
 2408 10:58:02.065909   00000001 b6e4100[0   011050.08010260] Process cat (pid: 2016, stack limit = 0x37861a05)
 2409 10:58:02.066383  0d 00000000
 2410 10:58:02.066821  # [[    111155..8119086] Stack: (0xc69d1e30 to 0xc69d2000)
 2411 10:58:02.067243  2232] 9fc0: 000000[0 d  101050.0824441] 1e20:                                     f0972000 c5807000 0000000d c69d1f60
 2412 10:58:02.067668  00d b6f88e00 0000000[4   0101050.834789] 1e40: c69d1e64 c69d1e50 c0c2fe1c c138c25c 00000022 c5807000 c69d1e74 c69d1e68
 2413 10:58:02.109266  001 00000000 00020[0 0 01 1b5e.b845223] 1e60: c0c2f028 c0c2fe00 c69d1e9c c69d1e78 c0c2f528 c0c2f008 c0c2f408 c5b1bb80
 2414 10:58:02.109833  6a54
 2415 10:58:02.110308  # [  115.20043[ 5 ]1 195f.e55569] 1e80: b6de6000 0000000d c513d000 c69d1f60 c69d1ec4 c69d1ea0 c07f6038 c0c2f414
 2416 10:58:02.110745  0: 00000004 beb16788[  b 61e1f53.865915] 1ea0: 00000000 c5b1bb80 b6de6000 c2816000 c69d1f60 c07f5fd4 c69d1f5c c69d1ec8
 2417 10:58:02.111177  cf b6e797e6
 2418 10:58:02.111589  # [  11[5 . 2101555.876348] 1ec0: c0598ab8 c07f5fe0 00000001 00000000 c059904c c280b1e4 c059904c c69d0000
 2419 10:58:02.153375  0] Code: 00160017 ff[f c 71f1f5f.886781] 1ee0: b6de6000 00020000 00000004 0000000d 0001fff3 c69d1ee0 00000001 00000805
 2420 10:58:02.153936  dfefffff ffffdfff[  ( e111a50.c807212] 1f00: c6a54f00 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 2421 10:58:02.154407  0d) 
 2422 10:58:02.154842  # [  115.211649[]   -1-1-5[907473] 1f20: 00000000 00000000 c69d0000 f3da5cfb b6de5000 c5b1bb80 c5b1bb80 c69d0000
 2423 10:58:02.155266   end trace cf55c2bf[5 1 e151259.c17905] 1f40: b6de6000 00000000 00000000 00000004 c69d1f94 c69d1f60 c059904c c05989b8
 2424 10:58:02.155683  9 ]---
 2425 10:58:02.197384  # EXEC_KMAL[L O C1:1 5m.i28252] 1f60: 00000000 00000000 c69d1fac f3da5cfb 0000000d 0000000d b6f2de00 00000004
 2426 10:58:02.197939  ssing 'call trace:'[:   [1F1A5I.L38598] 1f80: c03002e4 c69d0000 c69d1fa4 c69d1f98 c05990dc c0598fe4 00000000 c69d1fa8
 2427 10:58:02.198412  ]
 2428 10:58:02.198841  not ok 32 selfte[s t s1:1 5l.k48944] 1fa0: c03000c0 c05990d0 0000000d 0000000d 00000001 b6de6000 0000000d 00000000
 2429 10:58:02.199265  dtm: EXEC_KMALLOC.[s h  1#1 5e.x959289] 1fc0: 0000000d 0000000d b6f2de00 00000004 00000001 00000000 00020000 be870a54
 2430 10:58:02.199684  t=1
 2431 10:58:02.241060  # selftests: lk[d t m1:1 5E.969637] 1fe0: 00000004 be870788 b6e984cf b6e1e7e6 800e0030 00000001 00000000 00000000
 2432 10:58:02.241249  EC_VMALLOC.sh
 2433 10:58:02.241381  [  115.980061] Backtrace: 
 2434 10:58:02.241496  [  115.983823] [<c138c250>] (execute_location) from [<c0c2fe1c>] (lkdtm_EXEC_VMALLOC+0x28/0x34)
 2435 10:58:02.241608  [  115.992275]  r7:c69d1f60 r6:0000000d r5:c5807000 r4:f0972000
 2436 10:58:02.241720  [  115.997955] [<c0c2fdf4>] (lkdtm_EXEC_VMALLOC) from [<c0c2f028>] (lkdtm_do_action+0x2c/0x4c)
 2437 10:58:02.241827  [  116.006318]  r5:c5807000 r4:00000022
 2438 10:58:02.241933  [  116.009913] [<c0c2effc>] (lkdtm_do_action) from [<c0c2f528>] (direct_entry+0x120/0x18c)
 2439 10:58:02.285377  [  116.017938] [<c0c2f408>] (direct_entry) from [<c07f6038>] (full_proxy_write+0x64/0x94)
 2440 10:58:02.285924  [  116.025868]  r9:c69d1f60 r8:c513d000 r7:0000000d r6:b6de6000 r5:c5b1bb80 r4:c0c2f408
 2441 10:58:02.286394  [  116.033633] [<c07f5fd4>] (full_proxy_write) from [<c0598ab8>] (vfs_write+0x10c/0x524)
 2442 10:58:02.286828  [  116.041478]  r9:c07f5fd4 r8:c69d1f60 r7:c2816000 r6:b6de6000 r5:c5b1bb80 r4:00000000
 2443 10:58:02.287246  [  116.049236] [<c05989ac>] (vfs_write) from [<c059904c>] (ksys_write+0x74/0xec)
 2444 10:58:02.329358  [  116.056384]  r10:00000004 r9:00000000 r8:00000000 r7:b6de6000 r6:c69d0000 r5:c5b1bb80
 2445 10:58:02.329904  [  116.064222]  r4:c5b1bb80
 2446 10:58:02.330369  [  116.066773] [<c0598fd8>] (ksys_write) from [<c05990dc>] (sys_write+0x18/0x1c)
 2447 10:58:02.330809  [  116.073919]  r9:c69d0000 r8:c03002e4 r7:00000004 r6:b6f2de00 r5:0000000d r4:0000000d
 2448 10:58:02.331230  [  116.081679] [<c05990c4>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 2449 10:58:02.331645  [  116.089259] Exception stack(0xc69d1fa8 to 0xc69d1ff0)
 2450 10:58:02.332049  [  116.094325] 1fa0:                   0000000d 0000000d 00000001 b6de6000 0000000d 00000000
 2451 10:58:02.372775  [  116.102515] 1fc0: 0000000d 0000000d b6f2de00 00000004 00000001 00000000 00020000 be870a54
 2452 10:58:02.372862  [  116.110702] 1fe0: 00000004 be870788 b6e984cf b6e1e7e6
 2453 10:58:02.372947  [  116.115772] Code: bad PC value
 2454 10:58:02.373028  [  116.118934] ---[ end trace cf55c2bf51e529ca ]---
 2455 10:58:02.373106  # Segmentation fault
 2456 10:58:02.467545  # [  115.630680] lkdtm: Performing direct entry EXEC_VMALLOC
 2457 10:58:02.467703  # [  115.637484] lkdtm: attempting ok execution at c0c2fd98
 2458 10:58:02.467796  # [  115.645279] lkdtm: attempting bad execution at f0972000
 2459 10:58:02.467877  # [  115.653376] 8<--- cut here ---
 2460 10:58:02.467959  # [  115.659215] Unable to handle kernel paging request at virtual address f0972000
 2461 10:58:02.468040  # [  115.668819] pgd = 770d008b
 2462 10:58:02.468117  # [  115.674404] [f0972000] *pgd=1294b811, *pte=4940265f, *ppte=4940245f
 2463 10:58:02.468195  # [  115.683549] Internal error: Oops: 8000000f [#6] SMP ARM
 2464 10:58:02.510631  # [  115.691573] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3
 2465 10:58:02.510722  # [  115.723280] CPU: 1 PID: 2016 Comm: cat Tainted: G      D W         5.10.155-cip21 #1
 2466 10:58:02.510809  # [  115.733446] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 2467 10:58:02.554214  # [  115.741889] PC is at 0xf0972000
 2468 10:58:02.554789  # [  115.747206] LR is at execute_location+0xa4/0xb4
 2469 10:58:02.555258  # [  115.754329] pc : [<f0972000>]    lr : [<c138c2f4>]    psr: 600e0013
 2470 10:58:02.555689  # [  115.762504] sp : c69d1e30  ip : c69d1d38  fp : c69d1e4c
 2471 10:58:02.556113  # [  115.769553] r10: 0000000d  r9 : c1ad0b28  r8 : c15e8634
 2472 10:58:02.556526  # [  115.776686] r7 : c69d1f60  r6 : 00000001  r5 : f0972000  r4 : c0c2fd98
 2473 10:58:02.556965  # [  115.785121] r3 : f3da5cfb  r2 : f3da5cfb  r1 : ef7965e0  r0 : 0000002b
 2474 10:58:02.557375  # [  115.793472] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 2475 10:58:02.597227  # [  115.802603] Control: 10c5387d  Table: 16edc04a  DAC: 00000051
 2476 10:58:02.597805  # [  115.810260] Process cat (pid: 2016, stack limit = 0x37861a05)
 2477 10:58:02.598272  # [  115.818086] Stack: (0xc69d1e30 to 0xc69d2000)
 2478 10:58:02.598707  # [  115.824441] 1e20:                                     f0972000 c5807000 0000000d c69d1f60
 2479 10:58:02.599128  # [  115.834789] 1e40: c69d1e64 c69d1e50 c0c2fe1c c138c25c 00000022 c5807000 c69d1e74 c69d1e68
 2480 10:58:02.599544  # [  115.845223] 1e60: c0c2f028 c0c2fe00 c69d1e9c c69d1e78 c0c2f528 c0c2f008 c0c2f408 c5b1bb80
 2481 10:58:02.641208  # [  115.855569] 1e80: b6de6000 0000000d c513d000 c69d1f60 c69d1ec4 c69d1ea0 c07f6038 c0c2f414
 2482 10:58:02.641766  # [  115.865915] 1ea0: 00000000 c5b1bb80 b6de6000 c2816000 c69d1f60 c07f5fd4 c69d1f5c c69d1ec8
 2483 10:58:02.642246  # [  115.876348] 1ec0: c0598ab8 c07f5fe0 00000001 00000000 c059904c c280b1e4 c059904c c69d0000
 2484 10:58:02.642680  # [  115.886781] 1ee0: b6de6000 00020000 00000004 0000000d 0001fff3 c69d1ee0 00000001 00000805
 2485 10:58:02.643103  # [  115.897212] 1f00: c6a54f00 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 2486 10:58:02.689269  # [  115.907473] 1f20: 00000000 00000000 c69d0000 f3da5cfb b6de5000 c5b1bb80 c5b1bb80 c69d0000
 2487 10:58:02.689840  # [  115.917905] 1f40: b6de6000 00000000 00000000 00000004 c69d1f94 c69d1f60 c059904c c05989b8
 2488 10:58:02.690335  # [  115.928252] 1f60: 00000000 00000000 c69d1fac f3da5cfb 0000000d 0000000d b6f2de00 00000004
 2489 10:58:02.690771  # [  115.938598] 1f80: c03002e4 c69d0000 c69d1fa4 c69d1f98 c05990dc c0598fe4 00000000 c69d1fa8
 2490 10:58:02.691191  # [  115.948944] 1fa0: c03000c0 c05990d0 0000000d 0000000d 00000001 b6de6000 0000000d 00000000
 2491 10:58:02.733367  # [  115.959289] 1fc0: 0000000d 0000000d b6f2de00 00000004 00000001 00000000 00020000 be870a54
 2492 10:58:02.733924  # [  115.969637] 1fe0: 00000004 be870788 b6e984cf b6e1e7e6 800e0030 00000001 00000000 00000000
 2493 10:58:02.734399  # [  115.980061] Backtrace: 
 2494 10:58:02.734827  # [  115.983823] [<c138c250>] (execute_location) from [<c0c2fe1c>] (lkdtm_EXEC_VMALLOC+0x28/0x34)
 2495 10:58:02.735252  # [  115.992275]  r7:c69d1f60 r6:0000000d r5:c5807000 r4:f0972000
 2496 10:58:02.735667  # [  115.997955] [<c0c2fdf4>] (lkdtm_EXEC_VMALLOC) from [<c0c2f028>] (lkdtm_do_action+0x2c/0x4c)
 2497 10:58:02.736078  # [  116.006318]  r5:c5807000 r4:00000022
 2498 10:58:02.777239  # [  116.009913] [<c0c2effc>] (lkdtm_do_action) from [<c0c2f528>] (direct_entry+0x120/0x18c)
 2499 10:58:02.777797  # [  116.017938] [<c0c2f408>] (direct_entry) from [<c07f6038>] (full_proxy_write+0x64/0x94)
 2500 10:58:02.778286  # [  116.025868]  r9:c69d1f60 r8:c513d000 r7:0000000d r6:b6de6000 r5:c5b1bb80 r4:c0c2f408
 2501 10:58:02.778724  # [  116.033633] [<c07f5fd4>] (full_proxy_write) from [<c0598ab8>] (vfs_write+0x10c/0x524)
 2502 10:58:02.779147  # [  116.041478]  r9[  116.550362] lkdtm: Performing direct entry EXEC_RODATA
 2503 10:58:02.821357  :c07f5fd4 r8:c69d1f60 r7:c2816000[  116.557677] lkdtm: attempting ok execution at c0c2fd98
 2504 10:58:02.821912   r6:b6de6000 r5:c5b1bb80 r4:00000[  116.565810] lkdtm: attempting bad execution at c15e88d0
 2505 10:58:02.822384  000
 2506 10:58:02.822822  # [  116.049236] [<c05989ac>[  116.573726] 8<--- cut here ---
 2507 10:58:02.823246  ] (vfs_writ[e )  1f1r6o.m5 7[9<5c0] Unable to handle kernel paging request at virtual address c15e88d0
 2508 10:58:02.823664  059904c>] (k[s y s1_1w6r.i5t8e8+635] pgd = c0e2eb11
 2509 10:58:02.824084  x74/0xec)
 2510 10:58:02.824491  # [  116.056384][    r16.593250] [c15e88d0] *pgd=1141941e(bad)
 2511 10:58:02.865335  10:00000004 r9:00000[0 0 01 1r68.599780] Internal error: Oops: 8000000d [#7] SMP ARM
 2512 10:58:02.865901  00000000 r7:b6de6000 r6:c69d0000 [  116.607255] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3
 2513 10:58:02.866400  r5:c5b1bb80
 2514 10:58:02.866834  # [  116[. 0 6141262638958] CPU: 3 PID: 2093 Comm: cat Tainted: G      D W         5.10.155-cip21 #1
 2515 10:58:02.909443  2]  r4:c5b1[b b 8101
 2516 10:58:02.909995  6
 2517 10:58:02.910465  .#6 4[8 9 0] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 2518 10:58:02.910907  116.066773] [<c0598fd8>][  ( k1s16.657307] PC is at lkdtm_rodata_do_nothing+0x0/0x10
 2519 10:58:02.911344  s_write) from [<c059[9 0 d1c1>6].664784] LR is at execute_location+0xa4/0xb4
 2520 10:58:02.911757  (sys_write+0x1[8 / 01x116c.)6
 2521 10:58:02.912162  7
 2522 10:58:02.912570  1564] pc : [<c15e88d0>]    lr : [<c138c2f4>]    psr: 600e0013
 2523 10:58:02.913013   [  116.07[3 9 1191]6 . 6r7998:2c] sp : c6fdbe38  ip : c6fdbd40  fp : c6fdbe54
 2524 10:58:02.953423  69d0000 r8:[c 0 3101062.e648 6r773] r10: 0000000c  r9 : c1ad0b38  r8 : c15e8634
 2525 10:58:02.953985  :0000000[4   r161:6b.66f923d8e208] r7 : c6fdbf60  r6 : 00000000  r5 : c15e88d0  r4 : c0c2fd98
 2526 10:58:02.954456   r5:0000000d [r 4 :101060.070002092] r3 : 63219b82  r2 : 63219b82  r1 : ef7c05e0  r0 : 0000002b
 2527 10:58:02.954893  d
 2528 10:58:02.955313  # [  116.08[1 6 7191]6 .[7<1c0527] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 2529 10:58:02.955735  5990c4>] (s[y s _1w1r6i.t7e1)9 6f5] Control: 10c5387d  Table: 16e9004a  DAC: 00000051
 2530 10:58:02.956158  rom [<c030[0 0 c1016>.]7 2(7r2e2t] Process cat (pid: 2093, stack limit = 0x8a616fa1)
 2531 10:58:02.997441  _fast_sysc[a l l1+106x.07/304x7202] Stack: (0xc6fdbe38 to 0xc6fdc000)
 2532 10:58:02.997996  )
 2533 10:58:02.998463  # [  116.08[9 2 5191]6 .E7x4c0882] be20:                                                       00000023 c6c35000
 2534 10:58:02.998903  ption stack(0xc6[9 d 11f1a68. 7t51056] be40: 0000000c c6fdbf60 c6fdbe64 c6fdbe58 c138c4dc c138c25c c6fdbe74 c6fdbe68
 2535 10:58:02.999326   0xc69d1ff0)
 2536 10:58:02.999737  # [[   1 1161.67.60314] be60: c0c2f028 c138c4c4 c6fdbe9c c6fdbe78 c0c2f528 c0c2f008 c0c2f408 c6b1f900
 2537 10:58:03.041451  94325] 1fa0:      [     1 1 6 . 771487] be80: b6e98000 0000000c c513d000 c6fdbf60 c6fdbec4 c6fdbea0 c07f6038 c0c2f414
 2538 10:58:03.042017       0000000d 0000[0 0 01d1 60.0781831] bea0: 00000000 c6b1f900 b6e98000 c2816000 c6fdbf60 c07f5fd4 c6fdbf5c c6fdbec8
 2539 10:58:03.042489  00001 b6de6000 0[0 0 0101060.d7 92174] bec0: c0598ab8 c07f5fe0 00000001 00000000 c059904c c13a1a78 c059904c c6fda000
 2540 10:58:03.042935  0000000
 2541 10:58:03.043363  # [  1[1 6 .111062.58105432] bee0: b6e98000 00020000 00000004 0000000c 0001fff4 c6fdbee0 00000001 b6e97000
 2542 10:58:03.085482  ] 1fc0: 0000000[d   0101060.80102602] bf00: c5b1ba40 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 2543 10:58:03.086036  d b6f2de00 000000[0 4  101060.0802774] bf20: 00000000 00000000 c13a1a78 63219b82 c205cf60 c6b1f900 c6b1f900 c6fda000
 2544 10:58:03.086509  001 00000000 0[0 0 2101060.08 3b3030] bf40: b6e98000 00000000 00000000 00000004 c6fdbf94 c6fdbf60 c059904c c05989b8
 2545 10:58:03.086951  870a54
 2546 10:58:03.087373  # [  1[1 6 .111160.780423202] bf60: 00000000 00000000 c6fdbfac 63219b82 0000000c 0000000c b6fdfe00 00000004
 2547 10:58:03.087788   1fe0: 00000004 be[8 7 101768.88 3374] bf80: c03002e4 c6fda000 c6fdbfa4 c6fdbf98 c05990dc c0598fe4 00000000 c6fdbfa8
 2548 10:58:03.129466  b6e984cf b6e1e[7 e 61
 2549 10:58:03.130018  1
 2550 10:58:03.130489  6#. 8[6 3629] bfa0: c03000c0 c05990d0 0000000c 0000000c 00000001 b6e98000 0000000c 00000000
 2551 10:58:03.130931  116.115772] Code:[  b a1d1 6P.C8 3803] bfc0: 0000000c 0000000c b6fdfe00 00000004 00000001 00000000 00020000 bee1da54
 2552 10:58:03.131366  value
 2553 10:58:03.131775  # [  116.[1 1 8191364.]8 84058] bfe0: 00000004 bee1d788 b6f4a4cf b6ed07e6 800e0030 00000001 00000000 00000000
 2554 10:58:03.132185  --[ end trace [c f 51156c.28b9f4510] Backtrace: 
 2555 10:58:03.132594  1e529ca ]---
 2556 10:58:03.173346  # EXEC_VM[A L L11O6.898674] [<c138c250>] (execute_location) from [<c138c4dc>] (lkdtm_EXEC_RODATA+0x24/0x28)
 2557 10:58:03.173899  : missing 'call tra[c e :1'1:6 .[09362]  r7:c6fdbf60 r6:0000000c r5:c6c35000 r4:00000023
 2558 10:58:03.174370  FAIL]
 2559 10:58:03.174798  not ok 33 selftests: l[k d116.917196] [<c138c4b8>] (lkdtm_EXEC_RODATA) from [<c0c2f028>] (lkdtm_do_action+0x2c/0x4c)
 2560 10:58:03.175247  tm: EXEC_VMALLOC.sh # [e x i1t1=6.928058] [<c0c2effc>] (lkdtm_do_action) from [<c0c2f528>] (direct_entry+0x120/0x18c)
 2561 10:58:03.175591  
 2562 10:58:03.175910  # selftests: lkdtm: EXEC_R[O D 116.938405] [<c0c2f408>] (direct_entry) from [<c07f6038>] (full_proxy_write+0x64/0x94)
 2563 10:58:03.176220  TA.sh
 2564 10:58:03.217417  [  116.948915]  r9:c6fdbf60 r8:c513d000 r7:0000000c r6:b6e98000 r5:c6b1f900 r4:c0c2f408
 2565 10:58:03.217969  [  116.957269] [<c07f5fd4>] (full_proxy_write) from [<c0598ab8>] (vfs_write+0x10c/0x524)
 2566 10:58:03.218335  [  116.965108]  r9:c07f5fd4 r8:c6fdbf60 r7:c2816000 r6:b6e98000 r5:c6b1f900 r4:00000000
 2567 10:58:03.218670  [  116.972862] [<c05989ac>] (vfs_write) from [<c059904c>] (ksys_write+0x74/0xec)
 2568 10:58:03.218991  [  116.980006]  r10:00000004 r9:00000000 r8:00000000 r7:b6e98000 r6:c6fda000 r5:c6b1f900
 2569 10:58:03.219306  [  116.987840]  r4:c6b1f900
 2570 10:58:03.260795  [  116.990385] [<c0598fd8>] (ksys_write) from [<c05990dc>] (sys_write+0x18/0x1c)
 2571 10:58:03.260955  [  116.997528]  r9:c6fda000 r8:c03002e4 r7:00000004 r6:b6fdfe00 r5:0000000c r4:0000000c
 2572 10:58:03.261025  [  117.005282] [<c05990c4>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 2573 10:58:03.261089  [  117.012857] Exception stack(0xc6fdbfa8 to 0xc6fdbff0)
 2574 10:58:03.261151  [  117.017918] bfa0:                   0000000c 0000000c 00000001 b6e98000 0000000c 00000000
 2575 10:58:03.261211  [  117.026105] bfc0: 0000000c 0000000c b6fdfe00 00000004 00000001 00000000 00020000 bee1da54
 2576 10:58:03.304743  [  117.034287] bfe0: 00000004 bee1d788 b6f4a4cf b6ed07e6
 2577 10:58:03.304830  [  117.039347] Code: 5f727563 6e756f63 00000074 aa55aa55 (e1a0c00d) 
 2578 10:58:03.304901  [  117.045451] ---[ end trace cf55c2bf51e529cb ]---
 2579 10:58:03.304966  # Segmentation fault
 2580 10:58:03.378893  # [  116.550362] lkdtm: Performing direct entry EXEC_RODATA
 2581 10:58:03.379056  # [  116.557677] lkdtm: attempting ok execution at c0c2fd98
 2582 10:58:03.379127  # [  116.565810] lkdtm: attempting bad execution at c15e88d0
 2583 10:58:03.379192  # [  116.573726] 8<--- cut here ---
 2584 10:58:03.379255  # [  116.579590] Unable to handle kernel paging request at virtual address c15e88d0
 2585 10:58:03.379317  # [  116.588635] pgd = c0e2eb11
 2586 10:58:03.379377  # [  116.593250] [c15e88d0] *pgd=1141941e(bad)
 2587 10:58:03.379438  # [  116.599780] Internal error: Oops: 8000000d [#7] SMP ARM
 2588 10:58:03.421839  # [  116.607255] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3
 2589 10:58:03.421930  # [  116.638958] CPU: 3 PID: 2093 Comm: cat Tainted: G      D W         5.10.155-cip21 #1
 2590 10:58:03.422002  # [  116.648950] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 2591 10:58:03.464939  # [  116.657307] PC is at lkdtm_rodata_do_nothing+0x0/0x10
 2592 10:58:03.465022  # [  116.664784] LR is at execute_location+0xa4/0xb4
 2593 10:58:03.465090  # [  116.671564] pc : [<c15e88d0>]    lr : [<c138c2f4>]    psr: 600e0013
 2594 10:58:03.465153  # [  116.679823] sp : c6fdbe38  ip : c6fdbd40  fp : c6fdbe54
 2595 10:58:03.465217  # [  116.686783] r10: 0000000c  r9 : c1ad0b38  r8 : c15e8634
 2596 10:58:03.465279  # [  116.693828] r7 : c6fdbf60  r6 : 00000000  r5 : c15e88d0  r4 : c0c2fd98
 2597 10:58:03.465342  # [  116.702092] r3 : 63219b82  r2 : 63219b82  r1 : ef7c05e0  r0 : 0000002b
 2598 10:58:03.509008  # [  116.710527] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 2599 10:58:03.509221  # [  116.719655] Control: 10c5387d  Table: 16e9004a  DAC: 00000051
 2600 10:58:03.509338  # [  116.727222] Process cat (pid: 2093, stack limit = 0x8a616fa1)
 2601 10:58:03.509441  # [  116.734702] Stack: (0xc6fdbe38 to 0xc6fdc000)
 2602 10:58:03.509542  # [  116.740882] be20:                                                       00000023 c6c35000
 2603 10:58:03.509642  # [  116.751056] be40: 0000000c c6fdbf60 c6fdbe64 c6fdbe58 c138c4dc c138c25c c6fdbe74 c6fdbe68
 2604 10:58:03.509739  # [  116.761314] be60: c0c2f028 c138c4c4 c6fdbe9c c6fdbe78 c0c2f528 c0c2f008 c0c2f408 c6b1f900
 2605 10:58:03.557126  # [  116.771487] be80: b6e98000 0000000c c513d000 c6fdbf60 c6fdbec4 c6fdbea0 c07f6038 c0c2f414
 2606 10:58:03.557678  # [  116.781831] bea0: 00000000 c6b1f900 b6e98000 c2816000 c6fdbf60 c07f5fd4 c6fdbf5c c6fdbec8
 2607 10:58:03.558037  # [  116.792174] bec0: c0598ab8 c07f5fe0 00000001 00000000 c059904c c13a1a78 c059904c c6fda000
 2608 10:58:03.558373  # [  116.802432] bee0: b6e98000 00020000 00000004 0000000c 0001fff4 c6fdbee0 00000001 b6e97000
 2609 10:58:03.558694  # [  116.812602] bf00: c5b1ba40 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 2610 10:58:03.601185  # [  116.822774] bf20: 00000000 00000000 c13a1a78 63219b82 c205cf60 c6b1f900 c6b1f900 c6fda000
 2611 10:58:03.601727  # [  116.833030] bf40: b6e98000 00000000 00000000 00000004 c6fdbf94 c6fdbf60 c059904c c05989b8
 2612 10:58:03.602092  # [  116.843202] bf60: 00000000 00000000 c6fdbfac 63219b82 0000000c 0000000c b6fdfe00 00000004
 2613 10:58:03.602425  # [  116.853374] bf80: c03002e4 c6fda000 c6fdbfa4 c6fdbf98 c05990dc c0598fe4 00000000 c6fdbfa8
 2614 10:58:03.602749  # [  116.863629] bfa0: c03000c0 c05990d0 0000000c 0000000c 00000001 b6e98000 0000000c 00000000
 2615 10:58:03.645225  # [  116.873803] bfc0: 0000000c 0000000c b6fdfe00 00000004 00000001 00000000 00020000 bee1da54
 2616 10:58:03.645799  # [  116.884058] bfe0: 00000004 bee1d788 b6f4a4cf b6ed07e6 800e0030 00000001 00000000 00000000
 2617 10:58:03.646178  # [  116.894310] Backtrace: 
 2618 10:58:03.646524  # [  116.898674] [<c138c250>] (execute_location) from [<c138c4dc>] (lkdtm_EXEC_RODATA+0x24/0x28)
 2619 10:58:03.646852  # [  116.909362]  r7:c6fdbf60 r6:0000000c r5:c6c35000 r4:00000023
 2620 10:58:03.647189  # [  116.917196] [<c138c4b8>] (lkdtm_EXEC_RODATA) from [<c0c2f028>] (lkdtm_do_action+0x2c/0x4c)
 2621 10:58:03.689422  # [  116.928058] [<c0c2effc>] (lkdtm_do_action) from [<c0c2f528>] (direct_entry+0x120/0x18c)
 2622 10:58:03.689974  # [  116.938405] [<c0c2f408>] (direct_entry) from [<c07f6038>] (full_proxy_write+0x64/0x94)
 2623 10:58:03.690389  # [  116.948915]  r9:c6fdbf60 r8:c513d000 r7:0000000c r6:b6e98000 r5:c6b1f900 r4:c0c2f408
 2624 10:58:03.690750  # [  116.957269] [<c07f5fd4>] (full_proxy_write) from [<c0598ab8>] (vfs_write+0x10c/0x524)
 2625 10:58:03.691098  # [  116.965108]  r9:c07f5fd4 r8:c6fdbf60 r7:c2816000 r6:b6e98000 r5:c6b1f900 r4:00000000
 2626 10:58:03.691431  # [  116.972862] [<c05989ac>] (vfs_write) from [<c059904c>] (ksys_write+0x74/0xec)
 2627 10:58:03.732883  # [  116.980006]  r10:00000004 r9:00000000 r8:00000000 r7:b6e98000 r6:c6fda000 r5:c6b1f900
 2628 10:58:03.733064  # [  116.987840]  r4:c6b1f900
 2629 10:58:03.733141  # [  116.990385] [<c0598fd8>] (ksys_write) from [<c05990dc>] (sys_write+0x18/0x1c)
 2630 10:58:03.733216  # [  116.997528]  r9:c6fda000 r8:c03002e4 r7:00000[  117.495969] lkdtm: Performing direct entry EXEC_USERSPACE
 2631 10:58:03.733287  004 r6:b6fdfe00 r5:0000000c r4:00[  117.502340] lkdtm: attempting ok execution at c0c2fd98
 2632 10:58:03.733359  00000c
 2633 10:58:03.777286  # [  117.005282] [<c05990[  117.510463] lkdtm: attempting bad execution at b6fb7000
 2634 10:58:03.777549  c4>] (sys_write) from [<c03000c0>[  117.518409] Unhandled prefetch abort: page domain fault (0x00b) at 0xb6fb7000
 2635 10:58:03.777701  ] (ret_fast_syscall+0x0/0x28)
 2636 10:58:03.777840  # [  117.528304] Internal error: : b [#8] SMP ARM
 2637 10:58:03.821275  [  117.012857] Exception stack(0x[  117.535434] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3
 2638 10:58:03.821613  c6fdbfa8 to 0xc6fdbff0)
 2639 10:58:03.821816  # [  1[1 117.567153] CPU: 1 PID: 2169 Comm: cat Tainted: G      D W         5.10.155-cip21 #1
 2640 10:58:03.822008  7.017918] bfa0:     [     1 1 7 .577583] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 2641 10:58:03.822229         0000000c 0000000c 0[0 0 0117.586381] PC is at 0xb6fb7000
 2642 10:58:03.822440  001 b6e98000 0000000c 00000000
 2643 10:58:03.822647  #[  117.592053] LR is at lkdtm_EXEC_USERSPACE+0xc4/0xd4
 2644 10:58:03.865443   [  117.026105] bfc0: [0 0 010107.599792] pc : [<b6fb7000>]    lr : [<c0c2feec>]    psr: 60000013
 2645 10:58:03.865998  0c 0000000c b6fd[f e 01107 .06000404] sp : c68cde48  ip : c68cdd50  fp : c68cde64
 2646 10:58:03.866371  00004 00000001 00[0 0 0101070. 605634] r10: 0000000f  r9 : c1ad0b44  r8 : c15e8634
 2647 10:58:03.866714  0020000 bee1da54
 2648 10:58:03.867040  #[  [  1 1171.722951] r7 : c68cdf60  r6 : 0000000f  r5 : c5d57000  r4 : b6fb7000
 2649 10:58:03.867354  [  117.631654] r3 : 3f54eb01  r2 : 3f54eb01  r1 : ef7965e0  r0 : 0000002b
 2650 10:58:03.909475  .034287] bfe0: 00000004 bee1d788 [  117.638210] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 2651 10:58:03.910031  b6f4a4cf b6ed07e6
 2652 10:58:03.910394  # [[    111177.648201] Control: 10c5387d  Table: 16ed804a  DAC: 00000051
 2653 10:58:03.910731  039347] Code: 5f727563 [6 e 71516.656297] Process cat (pid: 2169, stack limit = 0xa27828ad)
 2654 10:58:03.911063  f63 00000074 aa55aa5[5   (1e117a.664390] Stack: (0xc68cde48 to 0xc68ce000)
 2655 10:58:03.911380  c00d) 
 2656 10:58:03.911684  # [  117.045451] ---[ end  117.671023] de40:                   00000001 00000000 0000000f 00000024 c68cde74 c68cde68
 2657 10:58:03.911993   trace cf55c2bf51e529cb ]---
 2658 10:58:03.953444  # E[  117.681982] de60: c0c2f028 c0c2fe34 c68cde9c c68cde78 c0c2f528 c0c2f008 c0c2f408 c6a55900
 2659 10:58:03.953992  XEC_RODATA: missing 'call trace[: 117.693027] de80: b6e71000 0000000f c513d000 c68cdf60 c68cdec4 c68cdea0 c07f6038 c0c2f414
 2660 10:58:03.954360  ': [FAIL]
 2661 10:58:03.954688  not ok 34 selftes[t s 117.703900] dea0: 00000000 c6a55900 b6e71000 c2816000 c68cdf60 c07f5fd4 c68cdf5c c68cdec8
 2662 10:58:03.955014   lkdtm: EXEC_RODATA.sh # exit=1
 2663 10:58:03.955324  [  117.714690] dec0: c0598ab8 c07f5fe0 00000001 00000000 c059904c c13a1a78 c059904c c68cc000
 2664 10:58:03.997473  # selftests: lkdtm: EXEC_USER[S P117.725649] dee0: b6e71000 00020000 00000004 0000000f 0001fff1 c68cdee0 00000001 b6e70000
 2665 10:58:03.998020  ACE.sh
 2666 10:58:03.998380  [  117.736435] df00: c6b1f2c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 2667 10:58:03.998718  [  117.745314] df20: 00000000 00000000 c13a1a78 3f54eb01 c205cf60 c6a55900 c6a55900 c68cc000
 2668 10:58:03.999039  [  117.753523] df40: b6e71000 00000000 00000000 00000004 c68cdf94 c68cdf60 c059904c c05989b8
 2669 10:58:03.999351  [  117.761732] df60: 00000000 00000000 c68cdfac 3f54eb01 0000000f 0000000f b6fb8e00 00000004
 2670 10:58:04.041452  [  117.769940] df80: c03002e4 c68cc000 c68cdfa4 c68cdf98 c05990dc c0598fe4 00000000 c68cdfa8
 2671 10:58:04.042001  [  117.778147] dfa0: c03000c0 c05990d0 0000000f 0000000f 00000001 b6e71000 0000000f 00000000
 2672 10:58:04.042365  [  117.786358] dfc0: 0000000f 0000000f b6fb8e00 00000004 00000001 00000000 00020000 bef83a54
 2673 10:58:04.042700  [  117.794566] dfe0: 00000004 bef83788 b6f234cf b6ea97e6 800e0030 00000001 00000000 00000000
 2674 10:58:04.043026  [  117.802762] Backtrace: 
 2675 10:58:04.043338  [  117.805273] [<c0c2fe28>] (lkdtm_EXEC_USERSPACE) from [<c0c2f028>] (lkdtm_do_action+0x2c/0x4c)
 2676 10:58:04.043644  [  117.813822]  r4:00000024
 2677 10:58:04.085462  [  117.816401] [<c0c2effc>] (lkdtm_do_action) from [<c0c2f528>] (direct_entry+0x120/0x18c)
 2678 10:58:04.086009  [  117.824451] [<c0c2f408>] (direct_entry) from [<c07f6038>] (full_proxy_write+0x64/0x94)
 2679 10:58:04.086372  [  117.832400]  r9:c68cdf60 r8:c513d000 r7:0000000f r6:b6e71000 r5:c6a55900 r4:c0c2f408
 2680 10:58:04.086705  [  117.840188] [<c07f5fd4>] (full_proxy_write) from [<c0598ab8>] (vfs_write+0x10c/0x524)
 2681 10:58:04.087025  [  117.848050]  r9:c07f5fd4 r8:c68cdf60 r7:c2816000 r6:b6e71000 r5:c6a55900 r4:00000000
 2682 10:58:04.087339  [  117.855828] [<c05989ac>] (vfs_write) from [<c059904c>] (ksys_write+0x74/0xec)
 2683 10:58:04.129464  [  117.862994]  r10:00000004 r9:00000000 r8:00000000 r7:b6e71000 r6:c68cc000 r5:c6a55900
 2684 10:58:04.130012  [  117.870845]  r4:c6a55900
 2685 10:58:04.130371  [  117.873413] [<c0598fd8>] (ksys_write) from [<c05990dc>] (sys_write+0x18/0x1c)
 2686 10:58:04.130701  [  117.880579]  r9:c68cc000 r8:c03002e4 r7:00000004 r6:b6fb8e00 r5:0000000f r4:0000000f
 2687 10:58:04.131020  [  117.888360] [<c05990c4>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 2688 10:58:04.131332  [  117.895952] Exception stack(0xc68cdfa8 to 0xc68cdff0)
 2689 10:58:04.172954  [  117.901033] dfa0:                   0000000f 0000000f 00000001 b6e71000 0000000f 00000000
 2690 10:58:04.173113  [  117.909241] dfc0: 0000000f 0000000f b6fb8e00 00000004 00000001 00000000 00020000 bef83a54
 2691 10:58:04.173180  [  117.917444] dfe0: 00000004 bef83788 b6f234cf b6ea97e6
 2692 10:58:04.173245  [  117.922533] Code: bad PC value
 2693 10:58:04.173306  [  117.925623] ---[ end trace cf55c2bf51e529cc ]---
 2694 10:58:04.173365  # Segmentation fault
 2695 10:58:04.321251  # [  117.495969] lkdtm: Performing direct entry EXEC_USERSPACE
 2696 10:58:04.321441  # [  117.502340] lkdtm: attempting ok execution at c0c2fd98
 2697 10:58:04.321536  # [  117.510463] lkdtm: attempting bad execution at b6fb7000
 2698 10:58:04.321624  # [  117.518409] Unhandled prefetch abort: page domain fault (0x00b) at 0xb6fb7000
 2699 10:58:04.321708  # [  117.528304] Internal error: : b [#8] SMP ARM
 2700 10:58:04.365035  # [  117.535434] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3
 2701 10:58:04.365346  # [  117.567153] CPU: 1 PID: 2169 Comm: cat Tainted: G      D W         5.10.155-cip21 #1
 2702 10:58:04.365532  # [  117.577583] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 2703 10:58:04.365705  # [  117.586381] PC is at 0xb6fb7000
 2704 10:58:04.365867  # [  117.592053] LR is at lkdtm_EXEC_USERSPACE+0xc4/0xd4
 2705 10:58:04.366020  # [  117.599792] pc : [<b6fb7000>]    lr : [<c0c2feec>]    psr: 60000013
 2706 10:58:04.409206  # [  117.608404] sp : c68cde48  ip : c68cdd50  fp : c68cde64
 2707 10:58:04.409749  # [  117.615634] r10: 0000000f  r9 : c1ad0b44  r8 : c15e8634
 2708 10:58:04.410111  # [  117.622951] r7 : c68cdf60  r6 : 0000000f  r5 : c5d57000  r4 : b6fb7000
 2709 10:58:04.410443  # [  117.631654] r3 : 3f54eb01  r2 : 3f54eb01  r1 : ef7965e0  r0 : 0000002b
 2710 10:58:04.410762  # [  117.638210] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 2711 10:58:04.411076  # [  117.648201] Control: 10c5387d  Table: 16ed804a  DAC: 00000051
 2712 10:58:04.411378  # [  117.656297] Process cat (pid: 2169, stack limit = 0xa27828ad)
 2713 10:58:04.411679  # [  117.664390] Stack: (0xc68cde48 to 0xc68ce000)
 2714 10:58:04.453139  # [  117.671023] de40:                   00000001 00000000 0000000f 00000024 c68cde74 c68cde68
 2715 10:58:04.453687  # [  117.681982] de60: c0c2f028 c0c2fe34 c68cde9c c68cde78 c0c2f528 c0c2f008 c0c2f408 c6a55900
 2716 10:58:04.454046  # [  117.693027] de80: b6e71000 0000000f c513d000 c68cdf60 c68cdec4 c68cdea0 c07f6038 c0c2f414
 2717 10:58:04.454377  # [  117.703900] dea0: 00000000 c6a55900 b6e71000 c2816000 c68cdf60 c07f5fd4 c68cdf5c c68cdec8
 2718 10:58:04.454700  # [  117.714690] dec0: c0598ab8 c07f5fe0 00000001 00000000 c059904c c13a1a78 c059904c c68cc000
 2719 10:58:04.497216  # [  117.725649] dee0: b6e71000 00020000 00000004 0000000f 0001fff1 c68cdee0 00000001 b6e70000
 2720 10:58:04.497767  # [  117.736435] df00: c6b1f2c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 2721 10:58:04.498133  # [  117.745314] df20: 00000000 00000000 c13a1a78 3f54eb01 c205cf60 c6a55900 c6a55900 c68cc000
 2722 10:58:04.498463  # [  117.753523] df40: b6e71000 00000000 00000000 00000004 c68cdf94 c68cdf60 c059904c c05989b8
 2723 10:58:04.498781  # [  117.761732] df60: 00000000 00000000 c68cdfac 3f54eb01 0000000f 0000000f b6fb8e00 00000004
 2724 10:58:04.541212  # [  117.769940] df80: c03002e4 c68cc000 c68cdfa4 c68cdf98 c05990dc c0598fe4 00000000 c68cdfa8
 2725 10:58:04.541759  # [  117.778147] dfa0: c03000c0 c05990d0 0000000f 0000000f 00000001 b6e71000 0000000f 00000000
 2726 10:58:04.542136  # [  117.786358] dfc0: 0000000f 0000000f b6fb8e00 00000004 00000001 00000000 00020000 bef83a54
 2727 10:58:04.542479  # [  117.794566] dfe0: 00000004 bef83788 b6f234cf b6ea97e6 800e0030 00000001 00000000 00000000
 2728 10:58:04.542799  # [  117.802762] Backtrace: 
 2729 10:58:04.543147  # [  117.805273] [<c0c2fe28>] (lkdtm_EXEC_USERSPACE) from [<c0c2f028>] (lkdtm_do_action+0x2c/0x4c)
 2730 10:58:04.585323  # [  117.813822]  r4:00000024
 2731 10:58:04.585869  # [  117.816401] [<c0c2effc>] (lkdtm_do_action) from [<c0c2f528>] (direct_entry+0x120/0x18c)
 2732 10:58:04.586238  # [  117.824451] [<c0c2f408>] (direct_entry) from [<c07f6038>] (full_proxy_write+0x64/0x94)
 2733 10:58:04.586572  # [  117.832400]  r9:c68cdf60 r8:c513d000 r7:0000000f r6:b6e71000 r5:c6a55900 r4:c0c2f408
 2734 10:58:04.586890  # [  117.840188] [<c07f5fd4>] (full_proxy_write) from [<c0598ab8>] (vfs_write+0x10c/0x524)
 2735 10:58:04.587203  # [  117.848050]  r9:c07f5fd4 r8:c68cdf60 r7:c2816000 r6:b6e71000 r5:c6a55900 r4:00000000
 2736 10:58:04.629345  # [  117.855828] [<c05989ac>] (vfs_write) from [<c059904c>] (ksys_write+0x74/0xec)
 2737 10:58:04.629892  # [  117.862994]  r10:00000004 r9:00000000 r8:00000000 r7:b6e71000 r6:c68cc000 r5:c6a55900
 2738 10:58:04.630255  # [  117.870845]  r4:c6a55900
 2739 10:58:04.630582  # [  117.873413] [<c0598fd8>] (ksys_write) from [<c05990dc>] (sys_write+0x18/0x1c)
 2740 10:58:04.630900  # [  117.880579]  r9:c68cc000 r8:c03002e4 r7:00000004 r6:b6fb8e00 r5:0000000f r4:0000000f
 2741 10:58:04.631208  # [  117.888360] [<c05990c4>] (sys_write) from [<c[  118.408380] lkdtm: Performing direct entry EXEC_NULL
 2742 10:58:04.672879  03000c0>] (ret_fast_syscall+0x0/0[  118.414163] lkdtm: attempting ok execution at c0c2fd98
 2743 10:58:04.673053  x28)
 2744 10:58:04.673122  # [  117.895952] Exception [  118.422025] lkdtm: attempting bad execution at 00000000
 2745 10:58:04.673187  stack(0xc68cdfa8 to 0xc68cdff0)
 2746 10:58:04.673247  [  118.430059] 8<--- cut here ---
 2747 10:58:04.673310  # [  117.901033] dfa0:           [  118.435990] Unable to handle kernel NULL pointer dereference at virtual address 00000000
 2748 10:58:04.673371          0000000f 0000000f 0000000[  118.446886] pgd = 796f2743
 2749 10:58:04.673429  1 b6e71000 0000000f 00000000
 2750 10:58:04.673519  # [[  118.452458] [00000000] *pgd=00000000
 2751 10:58:04.717127    117.909241] dfc0: 0000000f 00[0 118.458875] Internal error: Oops: 80000005 [#9] SMP ARM
 2752 10:58:04.717346  0000f b6fb8e00 00000004 00000001 [  118.466782] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3
 2753 10:58:04.717477  00000000 00020000 bef[8 3 a15148
 2754 10:58:04.761234  498486] CPU: 1 PID: 2240 Comm: cat Tainted: G      D W         5.10.155-cip21 #1
 2755 10:58:04.761628  
 2756 10:58:04.761876  # [  117[. 9 117184.4540]8 4d7f7] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 2757 10:58:04.762146  0: 00000004 bef83[7 8 81 1b86.f516745] PC is at 0x0
 2758 10:58:04.762430  34cf b6ea97e6
 2759 10:58:04.762700  # [  117.92[2 5 3118.521365] LR is at execute_location+0xa4/0xb4
 2760 10:58:04.762962  ] Code: ba[d   P1C1 8v.a5l2u8e4
 2761 10:58:04.763218  02] pc : [<00000000>]    lr : [<c138c2f4>]    psr: 600e0013
 2762 10:58:04.763481  # [  117.[9 2 151682.35]3 6-4-8-9] sp : c6cc7e38  ip : 00000027  fp : c6cc7e54
 2763 10:58:04.805401   end trace [c f 5151c82.b5f45314e9] r10: 0000000a  r9 : c1ad0b54  r8 : c15e8634
 2764 10:58:04.805948  529cc ]---
 2765 10:58:04.806316  [
 2766 10:58:04.806646   #  1E1X8E.C5_5U0S4E6] r7 : c6cc7f60  r6 : 00000000  r5 : 00000000  r4 : c0c2fd98
 2767 10:58:04.806967  RSPACE: m[i  s1s1i8n.g5 5'8c8a4l3] r3 : d2ca746f  r2 : d2ca746f  r1 : ef7965e4  r0 : 0000002b
 2768 10:58:04.807283   trace:': [FA[I L ]1
 2769 10:58:04.807583  1
 2770 10:58:04.807889  8n.o5t67 107] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 2771 10:58:04.808196  k 35 selfte[s t s1:1 8l.k5d7t6m1:8] Control: 10c5387d  Table: 16eb804a  DAC: 00000051
 2772 10:58:04.849313   EXEC_USERSPAC[E . s1h1 8#. 5e8x3717] Process cat (pid: 2240, stack limit = 0x5fbe479a)
 2773 10:58:04.849860  t=1
 2774 10:58:04.850224  # selfte[s t s11:8 .l5k9d1t456] Stack: (0xc6cc7e38 to 0xc6cc8000)
 2775 10:58:04.850560  : EXEC_NULL.sh
 2776 10:58:04.850878  [
 2777 10:58:04.851250    118.597721] 7e20:                                                       00000025 c5807000
 2778 10:58:04.851565  [  118.607288] 7e40: 0000000a c6cc7f60 c6cc7e64 c6cc7e58 c138c500 c138c25c c6cc7e74 c6cc7e68
 2779 10:58:04.851874  [  118.615473] 7e60: c0c2f028 c138c4ec c6cc7e9c c6cc7e78 c0c2f528 c0c2f008 c0c2f408 c6b1f540
 2780 10:58:04.852143  [  118.623661] 7e80: b6dda000 0000000a c513d000 c6cc7f60 c6cc7ec4 c6cc7ea0 c07f6038 c0c2f414
 2781 10:58:04.893159  [  118.631846] 7ea0: 00000000 c6b1f540 b6dda000 c2816000 c6cc7f60 c07f5fd4 c6cc7f5c c6cc7ec8
 2782 10:58:04.893710  [  118.640033] 7ec0: c0598ab8 c07f5fe0 00000001 00000000 c059904c c13a1a78 c059904c c6cc6000
 2783 10:58:04.894068  [  118.648220] 7ee0: b6dda000 00020000 00000004 0000000a 0001fff6 c6cc7ee0 00000001 b6dd9000
 2784 10:58:04.894394  [  118.656406] 7f00: c680db80 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 2785 10:58:04.894701  [  118.664591] 7f20: 00000000 00000000 c13a1a78 d2ca746f c205cf60 c6b1f540 c6b1f540 c6cc6000
 2786 10:58:04.936932  [  118.672777] 7f40: b6dda000 00000000 00000000 00000004 c6cc7f94 c6cc7f60 c059904c c05989b8
 2787 10:58:04.937122  [  118.680962] 7f60: 00000000 00000000 c6cc7fac d2ca746f 0000000a 0000000a b6f21e00 00000004
 2788 10:58:04.937211  [  118.689147] 7f80: c03002e4 c6cc6000 c6cc7fa4 c6cc7f98 c05990dc c0598fe4 00000000 c6cc7fa8
 2789 10:58:04.937294  [  118.697333] 7fa0: c03000c0 c05990d0 0000000a 0000000a 00000001 b6dda000 0000000a 00000000
 2790 10:58:04.937373  [  118.705519] 7fc0: 0000000a 0000000a b6f21e00 00000004 00000001 00000000 00020000 bee16a54
 2791 10:58:04.981105  [  118.713705] 7fe0: 00000004 bee16788 b6e8c4cf b6e127e6 800e0030 00000001 00000000 00000000
 2792 10:58:04.981285  [  118.721885] Backtrace: 
 2793 10:58:04.981370  [  118.724352] [<c138c250>] (execute_location) from [<c138c500>] (lkdtm_EXEC_NULL+0x20/0x24)
 2794 10:58:04.981446  [  118.732538]  r7:c6cc7f60 r6:0000000a r5:c5807000 r4:00000025
 2795 10:58:04.981519  [  118.738213] [<c138c4e0>] (lkdtm_EXEC_NULL) from [<c0c2f028>] (lkdtm_do_action+0x2c/0x4c)
 2796 10:58:04.981589  [  118.746317] [<c0c2effc>] (lkdtm_do_action) from [<c0c2f528>] (direct_entry+0x120/0x18c)
 2797 10:58:05.025130  [  118.754339] [<c0c2f408>] (direct_entry) from [<c07f6038>] (full_proxy_write+0x64/0x94)
 2798 10:58:05.025384  [  118.762266]  r9:c6cc7f60 r8:c513d000 r7:0000000a r6:b6dda000 r5:c6b1f540 r4:c0c2f408
 2799 10:58:05.025530  [  118.770025] [<c07f5fd4>] (full_proxy_write) from [<c0598ab8>] (vfs_write+0x10c/0x524)
 2800 10:58:05.025664  [  118.777864]  r9:c07f5fd4 r8:c6cc7f60 r7:c2816000 r6:b6dda000 r5:c6b1f540 r4:00000000
 2801 10:58:05.025792  [  118.785617] [<c05989ac>] (vfs_write) from [<c059904c>] (ksys_write+0x74/0xec)
 2802 10:58:05.025916  [  118.792764]  r10:00000004 r9:00000000 r8:00000000 r7:b6dda000 r6:c6cc6000 r5:c6b1f540
 2803 10:58:05.026036  [  118.800599]  r4:c6b1f540
 2804 10:58:05.069019  [  118.803141] [<c0598fd8>] (ksys_write) from [<c05990dc>] (sys_write+0x18/0x1c)
 2805 10:58:05.069614  [  118.810286]  r9:c6cc6000 r8:c03002e4 r7:00000004 r6:b6f21e00 r5:0000000a r4:0000000a
 2806 10:58:05.070042  [  118.818043] [<c05990c4>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 2807 10:58:05.070412  [  118.825617] Exception stack(0xc6cc7fa8 to 0xc6cc7ff0)
 2808 10:58:05.070782  [  118.830677] 7fa0:                   0000000a 0000000a 00000001 b6dda000 0000000a 00000000
 2809 10:58:05.071140  [  118.838862] 7fc0: 0000000a 0000000a b6f21e00 00000004 00000001 00000000 00020000 bee16a54
 2810 10:58:05.112750  [  118.847044] 7fe0: 00000004 bee16788 b6e8c4cf b6e127e6
 2811 10:58:05.112848  [  118.852109] Code: bad PC value
 2812 10:58:05.112955  [  118.855239] ---[ end trace cf55c2bf51e529cd ]---
 2813 10:58:05.113084  # Segmentation fault
 2814 10:58:05.267691  # [  118.408380] lkdtm: Performing direct entry EXEC_NULL
 2815 10:58:05.268234  # [  118.414163] lkdtm: attempting ok execution at c0c2fd98
 2816 10:58:05.268591  # [  118.422025] lkdtm: attempting bad execution at 00000000
 2817 10:58:05.268948  # [  118.430059] 8<--- cut here ---
 2818 10:58:05.269271  # [  118.435990] Unable to handle kernel NULL pointer dereference at virtual address 00000000
 2819 10:58:05.269584  # [  118.446886] pgd = 796f2743
 2820 10:58:05.269887  # [  118.452458] [00000000] *pgd=00000000
 2821 10:58:05.270187  # [  118.458875] Internal error: Oops: 80000005 [#9] SMP ARM
 2822 10:58:05.310602  # [  118.466782] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3
 2823 10:58:05.311158  # [  118.498486] CPU: 1 PID: 2240 Comm: cat Tainted: G      D W         5.10.155-cip21 #1
 2824 10:58:05.311522  # [  118.508477] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 2825 10:58:05.311856  # [  118.516745] PC is at 0x0
 2826 10:58:05.353578  # [  118.521365] LR is at execute_location+0xa4/0xb4
 2827 10:58:05.354121  # [  118.528402] pc : [<00000000>]    lr : [<c138c2f4>]    psr: 600e0013
 2828 10:58:05.354480  # [  118.536489] sp : c6cc7e38  ip : 00000027  fp : c6cc7e54
 2829 10:58:05.354814  # [  118.543449] r10: 0000000a  r9 : c1ad0b54  r8 : c15e8634
 2830 10:58:05.355136  # [  118.550496] r7 : c6cc7f60  r6 : 00000000  r5 : 00000000  r4 : c0c2fd98
 2831 10:58:05.355449  # [  118.558843] r3 : d2ca746f  r2 : d2ca746f  r1 : ef7965e4  r0 : 0000002b
 2832 10:58:05.355752  # [  118.567107] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 2833 10:58:05.401178  # [  118.576148] Control: 10c5387d  Table: 16eb804a  DAC: 00000051
 2834 10:58:05.401749  # [  118.583717] Process cat (pid: 2240, stack limit = 0x5fbe479a)
 2835 10:58:05.402144  # [  118.591456] Stack: (0xc6cc7e38 to 0xc6cc8000)
 2836 10:58:05.402500  # [  118.597721] 7e20:                                                       00000025 c5807000
 2837 10:58:05.402831  # [  118.607288] 7e40: 0000000a c6cc7f60 c6cc7e64 c6cc7e58 c138c500 c138c25c c6cc7e74 c6cc7e68
 2838 10:58:05.403146  # [  118.615473] 7e60: c0c2f028 c138c4ec c6cc7e9c c6cc7e78 c0c2f528 c0c2f008 c0c2f408 c6b1f540
 2839 10:58:05.445125  # [  118.623661] 7e80: b6dda000 0000000a c513d000 c6cc7f60 c6cc7ec4 c6cc7ea0 c07f6038 c0c2f414
 2840 10:58:05.445691  # [  118.631846] 7ea0: 00000000 c6b1f540 b6dda000 c2816000 c6cc7f60 c07f5fd4 c6cc7f5c c6cc7ec8
 2841 10:58:05.446053  # [  118.640033] 7ec0: c0598ab8 c07f5fe0 00000001 00000000 c059904c c13a1a78 c059904c c6cc6000
 2842 10:58:05.446395  # [  118.648220] 7ee0: b6dda000 00020000 00000004 0000000a 0001fff6 c6cc7ee0 00000001 b6dd9000
 2843 10:58:05.446727  # [  118.656406] 7f00: c680db80 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 2844 10:58:05.489160  # [  118.664591] 7f20: 00000000 00000000 c13a1a78 d2ca746f c205cf60 c6b1f540 c6b1f540 c6cc6000
 2845 10:58:05.489726  # [  118.672777] 7f40: b6dda000 00000000 00000000 00000004 c6cc7f94 c6cc7f60 c059904c c05989b8
 2846 10:58:05.490096  # [  118.680962] 7f60: 00000000 00000000 c6cc7fac d2ca746f 0000000a 0000000a b6f21e00 00000004
 2847 10:58:05.490450  # [  118.689147] 7f80: c03002e4 c6cc6000 c6cc7fa4 c6cc7f98 c05990dc c0598fe4 00000000 c6cc7fa8
 2848 10:58:05.490771  # [  118.697333] 7fa0: c03000c0 c05990d0 0000000a 0000000a 00000001 b6dda000 0000000a 00000000
 2849 10:58:05.491084  # [  118.705519] 7fc0: 0000000a 0000000a b6f21e00 00000004 00000001 00000000 00020000 bee16a54
 2850 10:58:05.533333  # [  118.713705] 7fe0: 00000004 bee16788 b6e8c4cf b6e127e6 800e0030 00000001 00000000 00000000
 2851 10:58:05.533887  # [  118.721885] Backtrace: 
 2852 10:58:05.534248  # [  118.724352] [<c138c250>] (execute_location) from [<c138c500>] (lkdtm_EXEC_NULL+0x20/0x24)
 2853 10:58:05.534583  # [  118.732538]  r7:c6cc7f60 r6:0000000a r5:c5807000 r4:00000025
 2854 10:58:05.534908  # [  118.738213] [<c138c4e0>] (lkdtm_EXEC_NULL) from [<c0c2f028>] (lkdtm_do_action+0x2c/0x4c)
 2855 10:58:05.535223  # [  118.746317] [<c0c2effc>] (lkdtm_do_action) from [<c0c2f528>] (direct_entry+0x120/0x18c)
 2856 10:58:05.577337  # [  118.754339] [<c0c2f408>] (direct_entry) from [<c07f6038>] (full_proxy_write+0x64/0x94)
 2857 10:58:05.577890  # [  118.762266]  r9:c6cc7f60 r8:c513d000 r7:0000000a r6:b6dda000 r5:c6b1f540 r4:c0c2f408
 2858 10:58:05.578255  # [  118.770025] [<c07f5fd4>] (full_proxy_write) from [<c0598ab8>] (vfs_write+0x10c/0x524)
 2859 10:58:05.578587  # [  118.777864]  r9:c07f5fd4 r8:c6cc7f60 r7:c2816000 r6:b6dda000 r5:c6b1f540 r4:00000000
 2860 10:58:05.578906  # [  118.785617] [<c05989ac>] (vfs_write) from [<c059904c>] (ksys_write+0x74/0xec)
 2861 10:58:05.621436  # [  118.792764]  r10:00000004 r[  119.358982] lkdtm: Performing direct entry ACCESS_USERSPACE
 2862 10:58:05.621984  9:00000000 r8:00000000 r7:b6dda00[  119.365439] lkdtm: attempting bad read at b6f7e000
 2863 10:58:05.622356  0 r6:c6cc6000 r5:c6b1f540
 2864 10:58:05.622697  # [  1[  119.373019] 8<--- cut here ---
 2865 10:58:05.623016  18.800599]  r4:[c 6 1b119f.534708862] Unhandled fault: page domain fault (0x01b) at 0xb6f7e000
 2866 10:58:05.623341  
 2867 10:58:05.623649  # [  118.8[0 3 114119]. 3[8<7c202] pgd = 1bd2ad01
 2868 10:58:05.623949  598fd8>] (ksys_write) [f r o1m1 9.391743] [b6f7e000] *pgd=49a4a831
 2869 10:58:05.624253  <c05990dc>] (sys_write[+ 0 x11189.397668] Internal error: : 1b [#10] SMP ARM
 2870 10:58:05.624553  0x1c)
 2871 10:58:05.665424  # [  118.810286]  r9:c6cc6[  119.404450] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3
 2872 10:58:05.665990  000 r8:c03002e4 r7:000000[0 4  1r9.436156] CPU: 3 PID: 2316 Comm: cat Tainted: G      D W         5.10.155-cip21 #1
 2873 10:58:05.709242  6:b6f21e00 r[5  :101090.04040603a0] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 2874 10:58:05.709803   r4:0000000a
 2875 10:58:05.710163  # [  118.818[0 4 3119.454679] PC is at lkdtm_ACCESS_USERSPACE+0x114/0x16c
 2876 10:58:05.710492   [<c05990c4>] (sys_write) from [[ 119.462425] LR is at __irq_work_queue_local+0x40/0x74
 2877 10:58:05.710811  <c03000c0>] (re[t _ f1a1s9t._4s7y155] pc : [<c0c30010>]    lr : [<c049bd74>]    psr: 600e0013
 2878 10:58:05.711131  scall+0x0/0[x 2 81)1
 2879 10:58:05.711433  9
 2880 10:58:05.711735  .#4 7[8 4 6] sp : c6c79e38  ip : c6c79d40  fp : c6c79e64
 2881 10:58:05.753321  118.825617][   E1x1c9e.p4t8i5o4n64] r10: 00000011  r9 : c1ad0b60  r8 : c15e8634
 2882 10:58:05.753874  stack(0xc6cc7[f a 81 1t9o. 4092x512] r7 : c6c79f60  r6 : 00000051  r5 : c6c78000  r4 : b6f7e000
 2883 10:58:05.754236  6cc7ff0)
 2884 10:58:05.754563  # [  [1 1 81.1893.05607949] r3 : 15c77061  r2 : 15c77061  r1 : ef7c05e0  r0 : 00000026
 2885 10:58:05.754877  7] 7fa0:         [     1 1 9 . 5 9472] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 2886 10:58:05.755196    0000000a 0000[0 0 01a1 90.05010689] Control: 10c5387d  Table: 1681404a  DAC: 00000051
 2887 10:58:05.755501  0001 b6dda000 0[0 0 0101090.5a2 6429] Process cat (pid: 2316, stack limit = 0x1e8947fa)
 2888 10:58:05.755810  0000000
 2889 10:58:05.797455  # [ [  1 1181.98.358384670] Stack: (0xc6c79e38 to 0xc6c7a000)
 2890 10:58:05.797965  2] 7fc0: 0000000a 00[0 0 010109a.540439] 9e20:                                                       00000022 00000000
 2891 10:58:05.798354  b6f21e00 00000004 000[0 0 010119 550874] 9e40: 00000000 15c77061 c6c79e6c 00000026 c69dd000 00000011 c6c79e74 c6c79e68
 2892 10:58:05.798691  00000000 00020000 be[e 1 61a1594.561306] 9e60: c0c2f028 c0c2ff08 c6c79e9c c6c79e78 c0c2f528 c0c2f008 c0c2f408 c5aac3c0
 2893 10:58:05.799022  
 2894 10:58:05.841428  # [  118.847044][  7 f1e109:. 501739] 9e80: b6e38000 00000011 c513d000 c6c79f60 c6c79ec4 c6c79ea0 c07f6038 c0c2f414
 2895 10:58:05.841978  0000004 bee16788 b6e8c4[c f  1b16.581999] 9ea0: 00000000 c5aac3c0 b6e38000 c2816000 c6c79f60 c07f5fd4 c6c79f5c c6c79ec8
 2896 10:58:05.842350  e127e6
 2897 10:58:05.842677  # [  118.8[5 2 110199]. 592517] 9ec0: c0598ab8 c07f5fe0 00000001 00000000 c059904c c13a1a78 c059904c c6c78000
 2898 10:58:05.842998  ode: bad PC value
 2899 10:58:05.843305  # [[    111198602866] 9ee0: b6e38000 00020000 00000004 00000011 0001ffef c6c79ee0 00000001 b6e37000
 2900 10:58:05.885455  .855239] ---[ end [t r a1c1e9 .c613295] 9f00: c59ec8c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 2901 10:58:05.886013  55c2bf51e529cd ]---[
 2902 10:58:05.886380   
 2903 10:58:05.886711   #1 1E9X.E23641] 9f20: 00000000 00000000 c13a1a78 15c77061 c205cf60 c5aac3c0 c5aac3c0 c6c78000
 2904 10:58:05.887036  C_NULL: missing 'cal[l   t1r1a9c.633988] 9f40: b6e38000 00000000 00000000 00000004 c6c79f94 c6c79f60 c059904c c05989b8
 2905 10:58:05.887352  :': [FAIL]
 2906 10:58:05.887658  not ok 36[  s e1l1f9t644420] 9f60: 00000000 00000000 c6c79fac 15c77061 00000011 00000011 b6f7fe00 00000004
 2907 10:58:05.929427  ests: lkdtm: EXEC_N[U L L1.1s9h. 54852] 9f80: c03002e4 c6c78000 c6c79fa4 c6c79f98 c05990dc c0598fe4 00000000 c6c79fa8
 2908 10:58:05.929983  # exit=1
 2909 10:58:05.930348  # selftes[t s :1 1l9k.d65197] 9fa0: c03000c0 c05990d0 00000011 00000011 00000001 b6e38000 00000011 00000000
 2910 10:58:05.930681  tm: ACCESS_USERSPACE.[s h 
 2911 10:58:05.930997  1
 2912 10:58:05.931309  19.675544] 9fc0: 00000011 00000011 b6f7fe00 00000004 00000001 00000000 00020000 beb4ca54
 2913 10:58:05.931625  [  119.685888] 9fe0: 00000004 beb4c788 b6eea4cf b6e707e6 800e0030 00000001 00000000 00000000
 2914 10:58:05.931928  [  119.694070] Backtrace: 
 2915 10:58:05.932222  [  119.696544] [<c0c2fefc>] (lkdtm_ACCESS_USERSPACE) from [<c0c2f028>] (lkdtm_do_action+0x2c/0x4c)
 2916 10:58:05.973467  [  119.705257]  r6:00000011 r5:c69dd000 r4:00000026
 2917 10:58:05.973977  [  119.709893] [<c0c2effc>] (lkdtm_do_action) from [<c0c2f528>] (direct_entry+0x120/0x18c)
 2918 10:58:05.974355  [  119.717917] [<c0c2f408>] (direct_entry) from [<c07f6038>] (full_proxy_write+0x64/0x94)
 2919 10:58:05.974690  [  119.725846]  r9:c6c79f60 r8:c513d000 r7:00000011 r6:b6e38000 r5:c5aac3c0 r4:c0c2f408
 2920 10:58:05.975010  [  119.733606] [<c07f5fd4>] (full_proxy_write) from [<c0598ab8>] (vfs_write+0x10c/0x524)
 2921 10:58:05.975321  [  119.741449]  r9:c07f5fd4 r8:c6c79f60 r7:c2816000 r6:b6e38000 r5:c5aac3c0 r4:00000000
 2922 10:58:06.017418  [  119.749206] [<c05989ac>] (vfs_write) from [<c059904c>] (ksys_write+0x74/0xec)
 2923 10:58:06.017966  [  119.756355]  r10:00000004 r9:00000000 r8:00000000 r7:b6e38000 r6:c6c78000 r5:c5aac3c0
 2924 10:58:06.018352  [  119.764191]  r4:c5aac3c0
 2925 10:58:06.018690  [  119.766739] [<c0598fd8>] (ksys_write) from [<c05990dc>] (sys_write+0x18/0x1c)
 2926 10:58:06.019011  [  119.773888]  r9:c6c78000 r8:c03002e4 r7:00000004 r6:b6f7fe00 r5:00000011 r4:00000011
 2927 10:58:06.019326  [  119.781649] [<c05990c4>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 2928 10:58:06.019631  [  119.789226] Exception stack(0xc6c79fa8 to 0xc6c79ff0)
 2929 10:58:06.060944  [  119.794291] 9fa0:                   00000011 00000011 00000001 b6e38000 00000011 00000000
 2930 10:58:06.061104  [  119.802482] 9fc0: 00000011 00000011 b6f7fe00 00000004 00000001 00000000 00020000 beb4ca54
 2931 10:58:06.061173  [  119.810668] 9fe0: 00000004 beb4c788 b6eea4cf b6e707e6
 2932 10:58:06.061238  [  119.815732] Code: e1a01004 e3010a84 e34c01ad eb1d457f (e5943000) 
 2933 10:58:06.061299  [  119.821840] ---[ end trace cf55c2bf51e529ce ]---
 2934 10:58:06.061360  # Segmentation fault
 2935 10:58:06.183570  # [  119.358982] lkdtm: Performing direct entry ACCESS_USERSPACE
 2936 10:58:06.183758  # [  119.365439] lkdtm: attempting bad read at b6f7e000
 2937 10:58:06.183830  # [  119.373019] 8<--- cut here ---
 2938 10:58:06.183915  # [  119.378862] Unhandled fault: page domain fault (0x01b) at 0xb6f7e000
 2939 10:58:06.184023  # [  119.387212] pgd = 1bd2ad01
 2940 10:58:06.184091  # [  119.391743] [b6f7e000] *pgd=49a4a831
 2941 10:58:06.184155  # [  119.397668] Internal error: : 1b [#10] SMP ARM
 2942 10:58:06.226579  # [  119.404450] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3
 2943 10:58:06.226681  # [  119.436156] CPU: 3 PID: 2316 Comm: cat Tainted: G      D W         5.10.155-cip21 #1
 2944 10:58:06.226751  # [  119.446320] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 2945 10:58:06.226815  # [  119.454679] PC is at lkdtm_ACCESS_USERSPACE+0x114/0x16c
 2946 10:58:06.226876  # [  119.462425] LR is at __irq_work_queue_local+0x40/0x74
 2947 10:58:06.270172  # [  119.470155] pc : [<c0c30010>]    lr : [<c049bd74>]    psr: 600e0013
 2948 10:58:06.270683  # [  119.478416] sp : c6c79e38  ip : c6c79d40  fp : c6c79e64
 2949 10:58:06.271013  # [  119.485464] r10: 00000011  r9 : c1ad0b60  r8 : c15e8634
 2950 10:58:06.271322  # [  119.492512] r7 : c6c79f60  r6 : 00000051  r5 : c6c78000  r4 : b6f7e000
 2951 10:58:06.271617  # [  119.500949] r3 : 15c77061  r2 : 15c77061  r1 : ef7c05e0  r0 : 00000026
 2952 10:58:06.271930  # [  119.509472] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 2953 10:58:06.313241  # [  119.518689] Control: 10c5387d  Table: 1681404a  DAC: 00000051
 2954 10:58:06.313777  # [  119.526429] Process cat (pid: 2316, stack limit = 0x1e8947fa)
 2955 10:58:06.314176  # [  119.534170] Stack: (0xc6c79e38 to 0xc6c7a000)
 2956 10:58:06.314542  # [  119.540439] 9e20:                                                       00000022 00000000
 2957 10:58:06.314898  # [  119.550874] 9e40: 00000000 15c77061 c6c79e6c 00000026 c69dd000 00000011 c6c79e74 c6c79e68
 2958 10:58:06.315237  # [  119.561306] 9e60: c0c2f028 c0c2ff08 c6c79e9c c6c79e78 c0c2f528 c0c2f008 c0c2f408 c5aac3c0
 2959 10:58:06.357063  # [  119.571739] 9e80: b6e38000 00000011 c513d000 c6c79f60 c6c79ec4 c6c79ea0 c07f6038 c0c2f414
 2960 10:58:06.357588  # [  119.581999] 9ea0: 00000000 c5aac3c0 b6e38000 c2816000 c6c79f60 c07f5fd4 c6c79f5c c6c79ec8
 2961 10:58:06.357983  # [  119.592517] 9ec0: c0598ab8 c07f5fe0 00000001 00000000 c059904c c13a1a78 c059904c c6c78000
 2962 10:58:06.358323  # [  119.602866] 9ee0: b6e38000 00020000 00000004 00000011 0001ffef c6c79ee0 00000001 b6e37000
 2963 10:58:06.358676  # [  119.613295] 9f00: c59ec8c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 2964 10:58:06.358991  # [  119.623641] 9f20: 00000000 00000000 c13a1a78 15c77061 c205cf60 c5aac3c0 c5aac3c0 c6c78000
 2965 10:58:06.401110  # [  119.633988] 9f40: b6e38000 00000000 00000000 00000004 c6c79f94 c6c79f60 c059904c c05989b8
 2966 10:58:06.401615  # [  119.644420] 9f60: 00000000 00000000 c6c79fac 15c77061 00000011 00000011 b6f7fe00 00000004
 2967 10:58:06.401967  # [  119.654852] 9f80: c03002e4 c6c78000 c6c79fa4 c6c79f98 c05990dc c0598fe4 00000000 c6c79fa8
 2968 10:58:06.402300  # [  119.665197] 9fa0: c03000c0 c05990d0 00000011 00000011 00000001 b6e38000 00000011 00000000
 2969 10:58:06.402616  # [  119.675544] 9fc0: 00000011 00000011 b6f7fe00 00000004 00000001 00000000 00020000 beb4ca54
 2970 10:58:06.445316  # [  119.685888] 9fe0: 00000004 beb4c788 b6eea4cf b6e707e6 800e0030 00000001 00000000 00000000
 2971 10:58:06.445828  # [  119.694070] Backtrace: 
 2972 10:58:06.446201  # [  119.696544] [<c0c2fefc>] (lkdtm_ACCESS_USERSPACE) from [<c0c2f028>] (lkdtm_do_action+0x2c/0x4c)
 2973 10:58:06.446538  # [  119.705257]  r6:00000011 r5:c69dd000 r4:00000026
 2974 10:58:06.446858  # [  119.709893] [<c0c2effc>] (lkdtm_do_action) from [<c0c2f528>] (direct_entry+0x120/0x18c)
 2975 10:58:06.447167  # [  119.717917] [<c0c2f408>] (direct_entry) from [<c07f6038>] (full_proxy_write+0x64/0x94)
 2976 10:58:06.489292  # [  119.725846]  r9:c6c79f60 r8:c513d000 r7:00000011 r6:b6e38000 r5:c5aac3c0 r4:c0c2f408
 2977 10:58:06.489843  # [  119.733606] [<c07f5fd4>] (full_proxy_write) from [<c0598ab8>] (vfs_write+0x10c/0x524)
 2978 10:58:06.490230  # [  119.741449]  r9:c07f5fd4 r8:c6c79f60 r7:c2816000 r6:b6e38000 r5:c5aac3c0 r4:00000000
 2979 10:58:06.490559  # [  119.749206] [<c05989ac>] (vfs_write) from [<c059904c>] (ksys_write+0x74/0xec)
 2980 10:58:06.490881  # [  119.756355]  r10:00000004 r9:00000000 r8:00000000 r7:b6e38000 r6:c6c78000 r5:c5aac3c0
 2981 10:58:06.491189  # [  119.764191]  r4:c5aac3c0
 2982 10:58:06.533324  # [  119.766739] [<c0598fd8>] (ksys_write) from [<c05990dc>] (sys_write+0x18/0x1c)
 2983 10:58:06.533873  # [  119.773888]  r9:c6c78000 r8:c03002e4 r7:00000004 r6:b6f7fe00 r5:00000011 [  120.287069] lkdtm: Performing direct entry ACCESS_NULL
 2984 10:58:06.534239  r4:00000011
 2985 10:58:06.534566  # [  119.781649] [<c[  120.293296] lkdtm: attempting bad read at 00000000
 2986 10:58:06.534887  05990c4>] (sys_write) from [<c0[3 120.300908] 8<--- cut here ---
 2987 10:58:06.535203  000c0>] (ret_fast_syscall+0x0/0x2[  120.306802] Unable to handle kernel NULL pointer dereference at virtual address 00000000
 2988 10:58:06.535517  8)
 2989 10:58:06.577341  # [  119.789226] Exception st[  120.317651] pgd = c0e2eb11
 2990 10:58:06.577888  ack(0xc6c79fa8 to 0xc6c79ff0)
 2991 10:58:06.578248  # [  120.323225] [00000000] *pgd=00000000
 2992 10:58:06.578580  [  119.794291] 9fa0:  [     1 2 0.329627] Internal error: Oops: 5 [#11] SMP ARM
 2993 10:58:06.621460             00000011 00000011 0000[  120.336669] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3
 2994 10:58:06.622025  0001 b6e38000 00000[0 1 11 200.0368374] CPU: 1 PID: 2391 Comm: cat Tainted: G      D W         5.10.155-cip21 #1
 2995 10:58:06.622400  00000
 2996 10:58:06.622738  # [[    112109..3870822488] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 2997 10:58:06.623060  2] 9fc0: 00000011 00000011[  b 6120.386554] PC is at lkdtm_ACCESS_NULL+0x28/0x68
 2998 10:58:06.623378  7fe00 00000004[  0 0102000.030913680] LR is at 0x0
 2999 10:58:06.623691  00000000 00[0 2 0102000. 3b98e2b07] pc : [<c138c52c>]    lr : [<00000000>]    psr: 600e0013
 3000 10:58:06.624007  ca54
 3001 10:58:06.665416  # [[    111290..84100662698] sp : c581de50  ip : 00000027  fp : c581de64
 3002 10:58:06.665966  ] 9fe0: 0[0 0 0102000.44 1b3e2b54] r10: 0000000c  r9 : c1ad0b74  r8 : c15e8634
 3003 10:58:06.666334  c788 b6eea4[c f  1b260e.7402072e14] r7 : c581df60  r6 : 0000000c  r5 : c5807000  r4 : 00000000
 3004 10:58:06.666668  
 3005 10:58:06.666987  # [  119.[8 1 5172302.]4 2C8o5d3] r3 : 8ac95c83  r2 : 8ac95c83  r1 : ef7965e4  r0 : 00000026
 3006 10:58:06.667303  e: e1a0100[4   e132001.04a38649 12] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 3007 10:58:06.709218  34c01ad eb1[d 4 5172f0 .4(4e558967] Control: 10c5387d  Table: 16e9004a  DAC: 00000051
 3008 10:58:06.709774  3000) 
 3009 10:58:06.710138  # [  1[1 9 .182201.844503436] Process cat (pid: 2391, stack limit = 0x5d3b5b9e)
 3010 10:58:06.710470   ---[ end tra[c e  1c2f05.54c621b76] Stack: (0xc581de50 to 0xc581e000)
 3011 10:58:06.710794  f51e529ce ]---
 3012 10:58:06.711103  [#   A1C2C0E.S4S67443] de40:                                     00000027 c5807000 c581de74 c581de68
 3013 10:58:06.711408  USERSPACE: missin[g   1'2c0a.l4l77702] de60: c0c2f028 c138c510 c581de9c c581de78 c0c2f528 c0c2f008 c0c2f408 c471e500
 3014 10:58:06.711713  trace:': [FAIL]
 3015 10:58:06.753423  [n o t1 2o0k. 437961] de80: b6dcf000 0000000c c513d000 c581df60 c581dec4 c581dea0 c07f6038 c0c2f414
 3016 10:58:06.753974  7 selftests: lk[d t m1:2 0A.C4C9E219] dea0: 00000000 c471e500 b6dcf000 c2816000 c581df60 c07f5fd4 c581df5c c581dec8
 3017 10:58:06.754348  SS_USERSPACE.sh #[  e x1i2t0=.15
 3018 10:58:06.754680  8391] dec0: c0598ab8 c07f5fe0 00000001 00000000 c059904c c13a1a78 c059904c c581c000
 3019 10:58:06.755009  
 3020 10:58:06.755318  # selftests: [l k 1d2t0m.:5 1A8C47] dee0: b6dcf000 00020000 00000004 0000000c 0001fff4 c581dee0 00000001 b6dce000
 3021 10:58:06.755626  CESS_NULL.sh[
 3022 10:58:06.755924   
 3023 10:58:06.756218   120.528732] df00: c5aad040 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 3024 10:58:06.797421  [  120.538124] df20: 00000000 00000000 c13a1a78 8ac95c83 c205cf60 c471e500 c471e500 c581c000
 3025 10:58:06.797973  [  120.546310] df40: b6dcf000 00000000 00000000 00000004 c581df94 c581df60 c059904c c05989b8
 3026 10:58:06.798335  [  120.554497] df60: 00000000 00000000 c581dfac 8ac95c83 0000000c 0000000c b6f16e00 00000004
 3027 10:58:06.798666  [  120.562683] df80: c03002e4 c581c000 c581dfa4 c581df98 c05990dc c0598fe4 00000000 c581dfa8
 3028 10:58:06.798983  [  120.570869] dfa0: c03000c0 c05990d0 0000000c 0000000c 00000001 b6dcf000 0000000c 00000000
 3029 10:58:06.841427  [  120.579053] dfc0: 0000000c 0000000c b6f16e00 00000004 00000001 00000000 00020000 be9f6a54
 3030 10:58:06.841972  [  120.587241] dfe0: 00000004 be9f6788 b6e814cf b6e077e6 800e0030 00000001 00000000 00000000
 3031 10:58:06.842335  [  120.595421] Backtrace: 
 3032 10:58:06.842665  [  120.597893] [<c138c504>] (lkdtm_ACCESS_NULL) from [<c0c2f028>] (lkdtm_do_action+0x2c/0x4c)
 3033 10:58:06.842986  [  120.606163]  r5:c5807000 r4:00000027
 3034 10:58:06.843300  [  120.609752] [<c0c2effc>] (lkdtm_do_action) from [<c0c2f528>] (direct_entry+0x120/0x18c)
 3035 10:58:06.885411  [  120.617773] [<c0c2f408>] (direct_entry) from [<c07f6038>] (full_proxy_write+0x64/0x94)
 3036 10:58:06.885958  [  120.625698]  r9:c581df60 r8:c513d000 r7:0000000c r6:b6dcf000 r5:c471e500 r4:c0c2f408
 3037 10:58:06.886322  [  120.633455] [<c07f5fd4>] (full_proxy_write) from [<c0598ab8>] (vfs_write+0x10c/0x524)
 3038 10:58:06.886654  [  120.641295]  r9:c07f5fd4 r8:c581df60 r7:c2816000 r6:b6dcf000 r5:c471e500 r4:00000000
 3039 10:58:06.886971  [  120.649048] [<c05989ac>] (vfs_write) from [<c059904c>] (ksys_write+0x74/0xec)
 3040 10:58:06.887284  [  120.656191]  r10:00000004 r9:00000000 r8:00000000 r7:b6dcf000 r6:c581c000 r5:c471e500
 3041 10:58:06.887585  [  120.664024]  r4:c471e500
 3042 10:58:06.929427  [  120.666567] [<c0598fd8>] (ksys_write) from [<c05990dc>] (sys_write+0x18/0x1c)
 3043 10:58:06.929970  [  120.673711]  r9:c581c000 r8:c03002e4 r7:00000004 r6:b6f16e00 r5:0000000c r4:0000000c
 3044 10:58:06.930335  [  120.681467] [<c05990c4>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 3045 10:58:06.930671  [  120.689041] Exception stack(0xc581dfa8 to 0xc581dff0)
 3046 10:58:06.930994  [  120.694101] dfa0:                   0000000c 0000000c 00000001 b6dcf000 0000000c 00000000
 3047 10:58:06.931309  [  120.702289] dfc0: 0000000c 0000000c b6f16e00 00000004 00000001 00000000 00020000 be9f6a54
 3048 10:58:06.972906  [  120.710474] dfe0: 00000004 be9f6788 b6e814cf b6e077e6
 3049 10:58:06.972992  [  120.715536] Code: e3010a84 e34c01ad e1a01004 ebffd438 (e5945000) 
 3050 10:58:06.973063  [  120.721715] ---[ end trace cf55c2bf51e529cf ]---
 3051 10:58:06.973129  # Segmentation fault
 3052 10:58:07.093949  # [  120.287069] lkdtm: Performing direct entry ACCESS_NULL
 3053 10:58:07.094117  # [  120.293296] lkdtm: attempting bad read at 00000000
 3054 10:58:07.094188  # [  120.300908] 8<--- cut here ---
 3055 10:58:07.094255  # [  120.306802] Unable to handle kernel NULL pointer dereference at virtual address 00000000
 3056 10:58:07.094321  # [  120.317651] pgd = c0e2eb11
 3057 10:58:07.094385  # [  120.323225] [00000000] *pgd=00000000
 3058 10:58:07.094446  # [  120.329627] Internal error: Oops: 5 [#11] SMP ARM
 3059 10:58:07.137258  # [  120.336669] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3
 3060 10:58:07.137503  # [  120.368374] CPU: 1 PID: 2391 Comm: cat Tainted: G      D W         5.10.155-cip21 #1
 3061 10:58:07.137639  # [  120.378280] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 3062 10:58:07.137766  # [  120.386554] PC is at lkdtm_ACCESS_NULL+0x28/0x68
 3063 10:58:07.137886  # [  120.393680] LR is at 0x0
 3064 10:58:07.138000  # [  120.398207] pc : [<c138c52c>]    lr : [<00000000>]    psr: 600e0013
 3065 10:58:07.181108  # [  120.406295] sp : c581de50  ip : 00000027  fp : c581de64
 3066 10:58:07.181681  # [  120.413254] r10: 0000000c  r9 : c1ad0b74  r8 : c15e8634
 3067 10:58:07.182053  # [  120.420214] r7 : c581df60  r6 : 0000000c  r5 : c5807000  r4 : 00000000
 3068 10:58:07.182393  # [  120.428563] r3 : 8ac95c83  r2 : 8ac95c83  r1 : ef7965e4  r0 : 00000026
 3069 10:58:07.182716  # [  120.436912] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 3070 10:58:07.183030  # [  120.445867] Control: 10c5387d  Table: 16e9004a  DAC: 00000051
 3071 10:58:07.183342  # [  120.453436] Process cat (pid: 2391, stack limit = 0x5d3b5b9e)
 3072 10:58:07.225124  # [  120.461176] Stack: (0xc581de50 to 0xc581e000)
 3073 10:58:07.225659  # [  120.467443] de40:                                     00000027 c5807000 c581de74 c581de68
 3074 10:58:07.226018  # [  120.477702] de60: c0c2f028 c138c510 c581de9c c581de78 c0c2f528 c0c2f008 c0c2f408 c471e500
 3075 10:58:07.226350  # [  120.487961] de80: b6dcf000 0000000c c513d000 c581df60 c581dec4 c581dea0 c07f6038 c0c2f414
 3076 10:58:07.226676  # [  120.498219] dea0: 00000000 c471e500 b6dcf000 c2816000 c581df60 c07f5fd4 c581df5c c581dec8
 3077 10:58:07.269187  # [  120.508391] dec0: c0598ab8 c07f5fe0 00000001 00000000 c059904c c13a1a78 c059904c c581c000
 3078 10:58:07.269737  # [  120.518647] dee0: b6dcf000 00020000 00000004 0000000c 0001fff4 c581dee0 00000001 b6dce000
 3079 10:58:07.270099  # [  120.528732] df00: c5aad040 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 3080 10:58:07.270452  # [  120.538124] df20: 00000000 00000000 c13a1a78 8ac95c83 c205cf60 c471e500 c471e500 c581c000
 3081 10:58:07.270781  # [  120.546310] df40: b6dcf000 00000000 00000000 00000004 c581df94 c581df60 c059904c c05989b8
 3082 10:58:07.313352  # [  120.554497] df60: 00000000 00000000 c581dfac 8ac95c83 0000000c 0000000c b6f16e00 00000004
 3083 10:58:07.313901  # [  120.562683] df80: c03002e4 c581c000 c581dfa4 c581df98 c05990dc c0598fe4 00000000 c581dfa8
 3084 10:58:07.314264  # [  120.570869] dfa0: c03000c0 c05990d0 0000000c 0000000c 00000001 b6dcf000 0000000c 00000000
 3085 10:58:07.314596  # [  120.579053] dfc0: 0000000c 0000000c b6f16e00 00000004 00000001 00000000 00020000 be9f6a54
 3086 10:58:07.314915  # [  120.587241] dfe0: 00000004 be9f6788 b6e814cf b6e077e6 800e0030 00000001 00000000 00000000
 3087 10:58:07.315224  # [  120.595421] Backtrace: 
 3088 10:58:07.357433  # [  120.597893] [<c138c504>] (lkdtm_ACCESS_NULL) from [<c0c2f028>] (lkdtm_do_action+0x2c/0x4c)
 3089 10:58:07.357979  # [  120.606163]  r5:c5807000 r4:00000027
 3090 10:58:07.358344  # [  120.609752] [<c0c2effc>] (lkdtm_do_action) from [<c0c2f528>] (direct_entry+0x120/0x18c)
 3091 10:58:07.358683  # [  120.617773] [<c0c2f408>] (direct_entry) from [<c07f6038>] (full_proxy_write+0x64/0x94)
 3092 10:58:07.359008  # [  120.625698]  r9:c581df60 r8:c513d000 r7:0000000c r6:b6dcf000 r5:c471e500 r4:c0c2f408
 3093 10:58:07.359320  # [  120.633455] [<c07f5fd4>] (full_proxy_write) from [<c0598ab8>] (vfs_write+0x10c/0x524)
 3094 10:58:07.401325  # [  120.641295]  r9:c07f5fd4 r8:c581df60 r7:c2816000 r6:b6dcf000 r5:c471e500 r4:00000000
 3095 10:58:07.401871  # [  120.649048] [<c05989ac>] (vfs_write) from [<c059904c>] (ksys_write+0x74/0xec)
 3096 10:58:07.402231  # [  120.656191]  r10:00000004 r9:00000000 r8:00000000 r7:b6dcf000 r6:c581c000 r5:c471e500
 3097 10:58:07.402562  # [  120.664024]  r4:c471e500
 3098 10:58:07.402882  # [  120.666567] [<c0598fd8>] (ksys_write) from [<c05990dc>] (sys_writ[  121.173452] lkdtm: Performing direct entry WRITE_RO
 3099 10:58:07.403200  e+0x18/0x1c)
 3100 10:58:07.403502  # [ [  1 2102.16.7178947] lkdtm: attempting bad rodata write at c15e88cc
 3101 10:58:07.445422  711]  r9:c581c000 r8:c03002e4 r7:[  121.186739] 8<--- cut here ---
 3102 10:58:07.445976  00000004 r6:[b 6 f11261e.01092 5r9] Unable to handle kernel paging request at virtual address c15e88cc
 3103 10:58:07.446351  5:0000000c r4:00[0 0 010201c.
 3104 10:58:07.446688  2
 3105 10:58:07.447012  01576] pgd = a707dbcd
 3106 10:58:07.447330   [  120.681467] [<c05990c4>] [( s121.206364] [c15e88cc] *pgd=1141941e(bad)
 3107 10:58:07.447637  ys_write) from [<c03[0 0 01c201>.212984] Internal error: Oops: 80d [#12] SMP ARM
 3108 10:58:07.447941   (ret_fast_syscall+0x0/0x28)
 3109 10:58:07.489178  # [[  121.220116] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3
 3110 10:58:07.489768    120.689041] Exception s[t a c1k1.251822] CPU: 3 PID: 2465 Comm: cat Tainted: G      D W         5.10.155-cip21 #1
 3111 10:58:07.490139  (0xc581dfa8 to [0 x c152811.d2f6f988] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 3112 10:58:07.490479  0)
 3113 10:58:07.533428  # [  120.694101] dfa0:     [  121.270521] PC is at lkdtm_WRITE_RO+0x44/0x50
 3114 10:58:07.533976               0000000c 00000[0 0 c21.277568] LR is at __irq_work_queue_local+0x40/0x74
 3115 10:58:07.534340   00000001 b6dcf[0 0 01 2010.02085126] pc : [<c138c348>]    lr : [<c049bd74>]    psr: 600e0013
 3116 10:58:07.534679  00c 00000000[
 3117 10:58:07.535007   
 3118 10:58:07.535318   #1 2[1 . 219230387] sp : c5f8fe50  ip : c5f8fd58  fp : c5f8fe64
 3119 10:58:07.535623  702289] dfc[0 :  102010.03000005c1] r10: 00000009  r9 : c1ad0b80  r8 : c15e8634
 3120 10:58:07.535936   0000000c b6f1[6 e 01021 .030007070] r7 : c5f8ff60  r6 : 00000009  r5 : c69dd000  r4 : c15e88cc
 3121 10:58:07.577424  0004 00000001[  0 0102010.030106 05] r3 : 0198b861  r2 : aa55aa55  r1 : ef7c05e0  r0 : c1ad1984
 3122 10:58:07.577981  00020000 be9f6a54
 3123 10:58:07.578349  [#   [1 2 11.224443] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 3124 10:58:07.578686  0.710474] dfe0[:   0102010.030303746] Control: 10c5387d  Table: 16fb804a  DAC: 00000051
 3125 10:58:07.579019   be9f6788 b6e814[c f 1 2b16.e3047488] Process cat (pid: 2465, stack limit = 0xd5cb37ee)
 3126 10:58:07.579334  7e6
 3127 10:58:07.579645  # [  120.[7 1 5152316.]3 4C9228] Stack: (0xc5f8fe50 to 0xc5f90000)
 3128 10:58:07.621438  de: e3010a84 e34c01[a d  1e211a.055584] fe40:                                     00000028 c69dd000 c5f8fe74 c5f8fe68
 3129 10:58:07.621989  1004 ebffd438 (e59450[0 0 )1 2
 3130 10:58:07.622355  1
 3131 10:58:07.622687  365932] fe60: c0c2f028 c138c310 c5f8fe9c c5f8fe78 c0c2f528 c0c2f008 c0c2f408 c47cb7c0
 3132 10:58:07.623012  # [  120.721715] --[- [  1e2n1d. 76363] fe80: b6e49000 00000009 c513d000 c5f8ff60 c5f8fec4 c5f8fea0 c07f6038 c0c2f414
 3133 10:58:07.623328  trace cf55c2bf51e52[9 c f1 2]1-.-86710] fea0: 00000000 c47cb7c0 b6e49000 c2816000 c5f8ff60 c07f5fd4 c5f8ff5c c5f8fec8
 3134 10:58:07.623638  -
 3135 10:58:07.665411  # ACCESS_NULL: mi[s s i1n2g1 .397057] fec0: c0598ab8 c07f5fe0 00000001 00000000 c059904c c13a1a78 c059904c c5f8e000
 3136 10:58:07.665961  call trace:': [FAIL]
 3137 10:58:07.666321  [
 3138 10:58:07.666647   n o1t2 1o407489] fee0: b6e49000 00020000 00000004 00000009 0001fff7 c5f8fee0 00000001 b6e48000
 3139 10:58:07.666969  k 38 selftests: lkd[t m :1 2A1C.C17920] ff00: c5b1adc0 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 3140 10:58:07.667284  ESS_NULL.sh # exit=[1 
 3141 10:58:07.667584   
 3142 10:58:07.667883  1#2 1s.e28266] ff20: 00000000 00000000 c13a1a78 ccb76c36 c205cf60 c47cb7c0 c47cb7c0 c5f8e000
 3143 10:58:07.709224  lftests: lkdtm: WRI[T E _1R2O1..s38611] ff40: b6e49000 00000000 00000000 00000004 c5f8ff94 c5f8ff60 c059904c c05989b8
 3144 10:58:07.709772  h
 3145 10:58:07.710132  [  121.448956] ff60: 00000000 00000000 c5f8ffac ccb76c36 00000009 00000009 b6f90e00 00000004
 3146 10:58:07.710464  [  121.457394] ff80: c03002e4 c5f8e000 c5f8ffa4 c5f8ff98 c05990dc c0598fe4 00000000 c5f8ffa8
 3147 10:58:07.710787  [  121.465583] ffa0: c03000c0 c05990d0 00000009 00000009 00000001 b6e49000 00000009 00000000
 3148 10:58:07.711100  [  121.473775] ffc0: 00000009 00000009 b6f90e00 00000004 00000001 00000000 00020000 bee6ca54
 3149 10:58:07.711408  [  121.481964] ffe0: 00000004 bee6c788 b6efb4cf b6e817e6 800e0030 00000001 00000000 00000000
 3150 10:58:07.753447  [  121.490147] Backtrace: 
 3151 10:58:07.753987  [  121.492624] [<c138c304>] (lkdtm_WRITE_RO) from [<c0c2f028>] (lkdtm_do_action+0x2c/0x4c)
 3152 10:58:07.754353  [  121.500639]  r5:c69dd000 r4:00000028
 3153 10:58:07.754684  [  121.504233] [<c0c2effc>] (lkdtm_do_action) from [<c0c2f528>] (direct_entry+0x120/0x18c)
 3154 10:58:07.755010  [  121.512256] [<c0c2f408>] (direct_entry) from [<c07f6038>] (full_proxy_write+0x64/0x94)
 3155 10:58:07.755323  [  121.520186]  r9:c5f8ff60 r8:c513d000 r7:00000009 r6:b6e49000 r5:c47cb7c0 r4:c0c2f408
 3156 10:58:07.797455  [  121.527950] [<c07f5fd4>] (full_proxy_write) from [<c0598ab8>] (vfs_write+0x10c/0x524)
 3157 10:58:07.798002  [  121.535792]  r9:c07f5fd4 r8:c5f8ff60 r7:c2816000 r6:b6e49000 r5:c47cb7c0 r4:00000000
 3158 10:58:07.798362  [  121.543549] [<c05989ac>] (vfs_write) from [<c059904c>] (ksys_write+0x74/0xec)
 3159 10:58:07.798696  [  121.550697]  r10:00000004 r9:00000000 r8:00000000 r7:b6e49000 r6:c5f8e000 r5:c47cb7c0
 3160 10:58:07.799017  [  121.558534]  r4:c47cb7c0
 3161 10:58:07.799326  [  121.561084] [<c0598fd8>] (ksys_write) from [<c05990dc>] (sys_write+0x18/0x1c)
 3162 10:58:07.799632  [  121.568232]  r9:c5f8e000 r8:c03002e4 r7:00000004 r6:b6f90e00 r5:00000009 r4:00000009
 3163 10:58:07.840796  [  121.575993] [<c05990c4>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 3164 10:58:07.840982  [  121.583571] Exception stack(0xc5f8ffa8 to 0xc5f8fff0)
 3165 10:58:07.841055  [  121.588635] ffa0:                   00000009 00000009 00000001 b6e49000 00000009 00000000
 3166 10:58:07.841151  [  121.596826] ffc0: 00000009 00000009 b6f90e00 00000004 00000001 00000000 00020000 bee6ca54
 3167 10:58:07.841215  [  121.605011] ffe0: 00000004 bee6c788 b6efb4cf b6e817e6
 3168 10:58:07.841292  [  121.610076] Code: e34a3bcd e3010984 e34c01ad e0233002 (e5843000) 
 3169 10:58:07.841369  [  121.616184] ---[ end trace cf55c2bf51e529d0 ]---
 3170 10:58:07.888852  # Segmentation fault
 3171 10:58:07.986468  # [  121.173452] lkdtm: Performing direct entry WRITE_RO
 3172 10:58:07.987002  # [  121.178947] lkdtm: attempting bad rodata write at c15e88cc
 3173 10:58:07.987361  # [  121.186739] 8<--- cut here ---
 3174 10:58:07.987690  # [  121.192529] Unable to handle kernel paging request at virtual address c15e88cc
 3175 10:58:07.988020  # [  121.201576] pgd = a707dbcd
 3176 10:58:07.988366  # [  121.206364] [c15e88cc] *pgd=1141941e(bad)
 3177 10:58:07.988685  # [  121.212984] Internal error: Oops: 80d [#12] SMP ARM
 3178 10:58:08.029511  # [  121.220116] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3
 3179 10:58:08.030037  # [  121.251822] CPU: 3 PID: 2465 Comm: cat Tainted: G      D W         5.10.155-cip21 #1
 3180 10:58:08.030416  # [  121.261988] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 3181 10:58:08.030756  # [  121.270521] PC is at lkdtm_WRITE_RO+0x44/0x50
 3182 10:58:08.077116  # [  121.277568] LR is at __irq_work_queue_local+0x40/0x74
 3183 10:58:08.077655  # [  121.285126] pc : [<c138c348>]    lr : [<c049bd74>]    psr: 600e0013
 3184 10:58:08.078022  # [  121.293387] sp : c5f8fe50  ip : c5f8fd58  fp : c5f8fe64
 3185 10:58:08.078356  # [  121.300521] r10: 00000009  r9 : c1ad0b80  r8 : c15e8634
 3186 10:58:08.078673  # [  121.307570] r7 : c5f8ff60  r6 : 00000009  r5 : c69dd000  r4 : c15e88cc
 3187 10:58:08.078987  # [  121.316005] r3 : 0198b861  r2 : aa55aa55  r1 : ef7c05e0  r0 : c1ad1984
 3188 10:58:08.079321  # [  121.324443] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 3189 10:58:08.121172  # [  121.333746] Control: 10c5387d  Table: 16fb804a  DAC: 00000051
 3190 10:58:08.121742  # [  121.341488] Process cat (pid: 2465, stack limit = 0xd5cb37ee)
 3191 10:58:08.122114  # [  121.349228] Stack: (0xc5f8fe50 to 0xc5f90000)
 3192 10:58:08.122492  # [  121.355584] fe40:                                     00000028 c69dd000 c5f8fe74 c5f8fe68
 3193 10:58:08.122827  # [  121.365932] fe60: c0c2f028 c138c310 c5f8fe9c c5f8fe78 c0c2f528 c0c2f008 c0c2f408 c47cb7c0
 3194 10:58:08.123148  # [  121.376363] fe80: b6e49000 00000009 c513d000 c5f8ff60 c5f8fec4 c5f8fea0 c07f6038 c0c2f414
 3195 10:58:08.165274  # [  121.386710] fea0: 00000000 c47cb7c0 b6e49000 c2816000 c5f8ff60 c07f5fd4 c5f8ff5c c5f8fec8
 3196 10:58:08.165843  # [  121.397057] fec0: c0598ab8 c07f5fe0 00000001 00000000 c059904c c13a1a78 c059904c c5f8e000
 3197 10:58:08.166218  # [  121.407489] fee0: b6e49000 00020000 00000004 00000009 0001fff7 c5f8fee0 00000001 b6e48000
 3198 10:58:08.166569  # [  121.417920] ff00: c5b1adc0 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 3199 10:58:08.166892  # [  121.428266] ff20: 00000000 00000000 c13a1a78 ccb76c36 c205cf60 c47cb7c0 c47cb7c0 c5f8e000
 3200 10:58:08.209006  # [  121.438611] ff40: b6e49000 00000000 00000000 00000004 c5f8ff94 c5f8ff60 c059904c c05989b8
 3201 10:58:08.209598  # [  121.448956] ff60: 00000000 00000000 c5f8ffac ccb76c36 00000009 00000009 b6f90e00 00000004
 3202 10:58:08.209990  # [  121.457394] ff80: c03002e4 c5f8e000 c5f8ffa4 c5f8ff98 c05990dc c0598fe4 00000000 c5f8ffa8
 3203 10:58:08.210374  # [  121.465583] ffa0: c03000c0 c05990d0 00000009 00000009 00000001 b6e49000 00000009 00000000
 3204 10:58:08.210719  # [  121.473775] ffc0: 00000009 00000009 b6f90e00 00000004 00000001 00000000 00020000 bee6ca54
 3205 10:58:08.211063  # [  121.481964] ffe0: 00000004 bee6c788 b6efb4cf b6e817e6 800e0030 00000001 00000000 00000000
 3206 10:58:08.253393  # [  121.490147] Backtrace: 
 3207 10:58:08.253933  # [  121.492624] [<c138c304>] (lkdtm_WRITE_RO) from [<c0c2f028>] (lkdtm_do_action+0x2c/0x4c)
 3208 10:58:08.254301  # [  121.500639]  r5:c69dd000 r4:00000028
 3209 10:58:08.254635  # [  121.504233] [<c0c2effc>] (lkdtm_do_action) from [<c0c2f528>] (direct_entry+0x120/0x18c)
 3210 10:58:08.254958  # [  121.512256] [<c0c2f408>] (direct_entry) from [<c07f6038>] (full_proxy_write+0x64/0x94)
 3211 10:58:08.255271  # [  121.520186]  r9:c5f8ff60 r8:c513d000 r7:00000009 r6:b6e49000 r5:c47cb7c0 r4:c0c2f408
 3212 10:58:08.297286  # [  121.527950] [<c07f5fd4>] (full_proxy_write) from [<c0598ab8>] (vfs_write+0x10c/0x524)
 3213 10:58:08.297837  # [  121.535792]  r9:c07f5fd4 r8:c5f8ff60 r7:c2816000 r6:b6e49000 r5:c47cb7c0 r4:00000000
 3214 10:58:08.298202  # [  121.543549] [<c05989ac>] (vfs_write) from [<c059904c>] (ksys_write+0x74/0xec)
 3215 10:58:08.298538  # [  121.550697]  r10:00000004 r9:00000000 r8:00000000 r7:b6e49000 r6:c5f8e000 r5:c47cb7c0
 3216 10:58:08.298861  # [  121.558534]  r4:c47cb7c0
 3217 10:58:08.299170  # [  121.561084] [<c0598fd8>] (ksys_write) from [<c05990dc>] (sys_write+0x18/0x1c)
 3218 10:58:08.341091  # [  121.568232]  r9:c5f8e000 r8:c03002e4 r7:00000004 r6:b6f90e00 r5:00000009 r4:00000009
 3219 10:58:08.341284  # [  121.575993] [<c05990c4>] (sys[  122.083619] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT
 3220 10:58:08.341386  _write) from [<c0300[0 c 01>2]2 .091305] lkdtm: attempting bad ro_after_init write at c1b83c60
 3221 10:58:08.341481  ret_fast_syscall+0x0/0x28)
 3222 10:58:08.341569  # [  [  122.099761] 8<--- cut here ---
 3223 10:58:08.341656  121.583571] Exception stack(0xc5[  122.105584] Unable to handle kernel paging request at virtual address c1b83c60
 3224 10:58:08.341747  8ffa8 to 0xc5f8fff0)
 3225 10:58:08.341835  # [  [1 2 122.115583] pgd = 8dfe0ab2
 3226 10:58:08.385245  .588635] ffa0:                   [  122.120807] [c1b83c60] *pgd=11a1941e(bad)
 3227 10:58:08.385537  00000009 00000009 00000001 b6e490[  122.127689] Internal error: Oops: 80d [#13] SMP ARM
 3228 10:58:08.385718  00 00000009 00000000
 3229 10:58:08.385881  # [  121.59[  122.135426] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3
 3230 10:58:08.429445  6826] ffc0: 00000009 00000009 b6f[  122.167132] CPU: 3 PID: 2539 Comm: cat Tainted: G      D W         5.10.155-cip21 #1
 3231 10:58:08.430005  90e00 00000004 00000001 0000[0 0 122.177728] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 3232 10:58:08.430379  0 00020000 bee6ca54
 3233 10:58:08.430715  # [  121.605[  122.186877] PC is at lkdtm_WRITE_RO_AFTER_INIT+0x64/0x70
 3234 10:58:08.431034  011] ffe0: 00000004 bee6c788 b6ef[  122.195053] LR is at __irq_work_queue_local+0x40/0x74
 3235 10:58:08.431357  b4cf b6e817e6
 3236 10:58:08.473387  # [  121.6100[7 6 122.202950] pc : [<c138c3b8>]    lr : [<c049bd74>]    psr: 600e0013
 3237 10:58:08.473938   Code: e34a3bcd e3010984 [e 3 41c2.211817] sp : c6979e50  ip : c6979d58  fp : c6979e64
 3238 10:58:08.474306  01ad e0233002 (e5843000)[  
 3239 10:58:08.474647   
 3240 10:58:08.474970  1#22.219469] r10: 00000014  r9 : c1ad0b8c  r8 : c15e8634
 3241 10:58:08.475321  [  121.616184] ---[ end tra[c e  22.227124] r7 : c6979f60  r6 : 00000014  r5 : c6aad000  r4 : c1b83c60
 3242 10:58:08.475635  cf55c2bf51e529d0 ]---
 3243 10:58:08.475938  # WR[ I T122.236167] r3 : fe67479e  r2 : 55aa55aa  r1 : ef7c05e0  r0 : c1ad1984
 3244 10:58:08.517174  _RO: missing 'call trace:': [FA[I 122.245212] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 3245 10:58:08.517719  L]
 3246 10:58:08.518076  not ok 39 selftests: lkdtm[:  122.255037] Control: 10c5387d  Table: 15d9404a  DAC: 00000051
 3247 10:58:08.518414  WRITE_RO.sh # exit=1
 3248 10:58:08.518731  # selftes[t 122.263471] Process cat (pid: 2539, stack limit = 0xd84b0e03)
 3249 10:58:08.519048  s: lkdtm: WRITE_RO_AFTER_INIT[. s122.271906] Stack: (0xc6979e50 to 0xc697a000)
 3250 10:58:08.519350  h
 3251 10:58:08.519647  [  122.278873] 9e40:                                     00000029 c6aad000 c6979e74 c6979e68
 3252 10:58:08.519948  [  122.287310] 9e60: c0c2f028 c138c360 c6979e9c c6979e78 c0c2f528 c0c2f008 c0c2f408 c47cb040
 3253 10:58:08.561289  [  122.295519] 9e80: b6dc1000 00000014 c513d000 c6979f60 c6979ec4 c6979ea0 c07f6038 c0c2f414
 3254 10:58:08.561837  [  122.303728] 9ea0: 00000000 c47cb040 b6dc1000 c2816000 c6979f60 c07f5fd4 c6979f5c c6979ec8
 3255 10:58:08.562206  [  122.311936] 9ec0: c0598ab8 c07f5fe0 00000001 00000000 c059904c c13a1a78 c059904c c6978000
 3256 10:58:08.562543  [  122.320146] 9ee0: b6dc1000 00020000 00000004 00000014 0001ffec c6979ee0 00000001 b6dc0000
 3257 10:58:08.562866  [  122.328353] 9f00: c5a3d400 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 3258 10:58:08.605289  [  122.336561] 9f20: 00000000 00000000 c13a1a78 ff404746 c205cf60 c47cb040 c47cb040 c6978000
 3259 10:58:08.605836  [  122.344768] 9f40: b6dc1000 00000000 00000000 00000004 c6979f94 c6979f60 c059904c c05989b8
 3260 10:58:08.606201  [  122.352976] 9f60: 00000000 00000000 c6979fac ff404746 00000014 00000014 b6f08e00 00000004
 3261 10:58:08.606536  [  122.361183] 9f80: c03002e4 c6978000 c6979fa4 c6979f98 c05990dc c0598fe4 00000000 c6979fa8
 3262 10:58:08.606859  [  122.369392] 9fa0: c03000c0 c05990d0 00000014 00000014 00000001 b6dc1000 00000014 00000000
 3263 10:58:08.649292  [  122.377600] 9fc0: 00000014 00000014 b6f08e00 00000004 00000001 00000000 00020000 be928a54
 3264 10:58:08.649837  [  122.385810] 9fe0: 00000004 be928788 b6e734cf b6df97e6 800e0030 00000001 00000000 00000000
 3265 10:58:08.650198  [  122.394005] Backtrace: 
 3266 10:58:08.650530  [  122.396519] [<c138c354>] (lkdtm_WRITE_RO_AFTER_INIT) from [<c0c2f028>] (lkdtm_do_action+0x2c/0x4c)
 3267 10:58:08.650852  [  122.405506]  r5:c6aad000 r4:00000029
 3268 10:58:08.651163  [  122.409121] [<c0c2effc>] (lkdtm_do_action) from [<c0c2f528>] (direct_entry+0x120/0x18c)
 3269 10:58:08.651473  [  122.417171] [<c0c2f408>] (direct_entry) from [<c07f6038>] (full_proxy_write+0x64/0x94)
 3270 10:58:08.693148  [  122.425121]  r9:c6979f60 r8:c513d000 r7:00000014 r6:b6dc1000 r5:c47cb040 r4:c0c2f408
 3271 10:58:08.693689  [  122.432908] [<c07f5fd4>] (full_proxy_write) from [<c0598ab8>] (vfs_write+0x10c/0x524)
 3272 10:58:08.694047  [  122.440771]  r9:c07f5fd4 r8:c6979f60 r7:c2816000 r6:b6dc1000 r5:c47cb040 r4:00000000
 3273 10:58:08.694381  [  122.448549] [<c05989ac>] (vfs_write) from [<c059904c>] (ksys_write+0x74/0xec)
 3274 10:58:08.694703  [  122.455720]  r10:00000004 r9:00000000 r8:00000000 r7:b6dc1000 r6:c6978000 r5:c47cb040
 3275 10:58:08.695015  [  122.463570]  r4:c47cb040
 3276 10:58:08.737094  [  122.466139] [<c0598fd8>] (ksys_write) from [<c05990dc>] (sys_write+0x18/0x1c)
 3277 10:58:08.737661  [  122.473305]  r9:c6978000 r8:c03002e4 r7:00000004 r6:b6f08e00 r5:00000014 r4:00000014
 3278 10:58:08.738060  [  122.481088] [<c05990c4>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 3279 10:58:08.738411  [  122.488681] Exception stack(0xc6979fa8 to 0xc6979ff0)
 3280 10:58:08.738770  [  122.493764] 9fa0:                   00000014 00000014 00000001 b6dc1000 00000014 00000000
 3281 10:58:08.739142  [  122.501973] 9fc0: 00000014 00000014 b6f08e00 00000004 00000001 00000000 00020000 be928a54
 3282 10:58:08.780740  [  122.510178] 9fe0: 00000004 be928788 b6e734cf b6df97e6
 3283 10:58:08.780826  [  122.515264] Code: e34a3bcd e3010984 e34c01ad e0233002 (e5843000) 
 3284 10:58:08.780925  [  122.521391] ---[ end trace cf55c2bf51e529d1 ]---
 3285 10:58:08.780992  # Segmentation fault
 3286 10:58:08.889269  # [  122.083619] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT
 3287 10:58:08.889428  # [  122.091305] lkdtm: attempting bad ro_after_init write at c1b83c60
 3288 10:58:08.889499  # [  122.099761] 8<--- cut here ---
 3289 10:58:08.889564  # [  122.105584] Unable to handle kernel paging request at virtual address c1b83c60
 3290 10:58:08.889627  # [  122.115583] pgd = 8dfe0ab2
 3291 10:58:08.889687  # [  122.120807] [c1b83c60] *pgd=11a1941e(bad)
 3292 10:58:08.889748  # [  122.127689] Internal error: Oops: 80d [#13] SMP ARM
 3293 10:58:08.936964  # [  122.135426] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3
 3294 10:58:08.937177  # [  122.167132] CPU: 3 PID: 2539 Comm: cat Tainted: G      D W         5.10.155-cip21 #1
 3295 10:58:08.937296  # [  122.177728] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 3296 10:58:08.937401  # [  122.186877] PC is at lkdtm_WRITE_RO_AFTER_INIT+0x64/0x70
 3297 10:58:08.981389  # [  122.195053] LR is at __irq_work_queue_local+0x40/0x74
 3298 10:58:08.981936  # [  122.202950] pc : [<c138c3b8>]    lr : [<c049bd74>]    psr: 600e0013
 3299 10:58:08.982295  # [  122.211817] sp : c6979e50  ip : c6979d58  fp : c6979e64
 3300 10:58:08.982628  # [  122.219469] r10: 00000014  r9 : c1ad0b8c  r8 : c15e8634
 3301 10:58:08.982946  # [  122.227124] r7 : c6979f60  r6 : 00000014  r5 : c6aad000  r4 : c1b83c60
 3302 10:58:08.983262  # [  122.236167] r3 : fe67479e  r2 : 55aa55aa  r1 : ef7c05e0  r0 : c1ad1984
 3303 10:58:08.983567  # [  122.245212] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 3304 10:58:09.025173  # [  122.255037] Control: 10c5387d  Table: 15d9404a  DAC: 00000051
 3305 10:58:09.025745  # [  122.263471] Process cat (pid: 2539, stack limit = 0xd84b0e03)
 3306 10:58:09.026112  # [  122.271906] Stack: (0xc6979e50 to 0xc697a000)
 3307 10:58:09.026450  # [  122.278873] 9e40:                                     00000029 c6aad000 c6979e74 c6979e68
 3308 10:58:09.026781  # [  122.287310] 9e60: c0c2f028 c138c360 c6979e9c c6979e78 c0c2f528 c0c2f008 c0c2f408 c47cb040
 3309 10:58:09.027101  # [  122.295519] 9e80: b6dc1000 00000014 c513d000 c6979f60 c6979ec4 c6979ea0 c07f6038 c0c2f414
 3310 10:58:09.069193  # [  122.303728] 9ea0: 00000000 c47cb040 b6dc1000 c2816000 c6979f60 c07f5fd4 c6979f5c c6979ec8
 3311 10:58:09.069743  # [  122.311936] 9ec0: c0598ab8 c07f5fe0 00000001 00000000 c059904c c13a1a78 c059904c c6978000
 3312 10:58:09.070141  # [  122.320146] 9ee0: b6dc1000 00020000 00000004 00000014 0001ffec c6979ee0 00000001 b6dc0000
 3313 10:58:09.070474  # [  122.328353] 9f00: c5a3d400 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 3314 10:58:09.070815  # [  122.336561] 9f20: 00000000 00000000 c13a1a78 ff404746 c205cf60 c47cb040 c47cb040 c6978000
 3315 10:58:09.117155  # [  122.344768] 9f40: b6dc1000 00000000 00000000 00000004 c6979f94 c6979f60 c059904c c05989b8
 3316 10:58:09.117729  # [  122.352976] 9f60: 00000000 00000000 c6979fac ff404746 00000014 00000014 b6f08e00 00000004
 3317 10:58:09.118096  # [  122.361183] 9f80: c03002e4 c6978000 c6979fa4 c6979f98 c05990dc c0598fe4 00000000 c6979fa8
 3318 10:58:09.118431  # [  122.369392] 9fa0: c03000c0 c05990d0 00000014 00000014 00000001 b6dc1000 00000014 00000000
 3319 10:58:09.118752  # [  122.377600] 9fc0: 00000014 00000014 b6f08e00 00000004 00000001 00000000 00020000 be928a54
 3320 10:58:09.161347  # [  122.385810] 9fe0: 00000004 be928788 b6e734cf b6df97e6 800e0030 00000001 00000000 00000000
 3321 10:58:09.161898  # [  122.394005] Backtrace: 
 3322 10:58:09.162261  # [  122.396519] [<c138c354>] (lkdtm_WRITE_RO_AFTER_INIT) from [<c0c2f028>] (lkdtm_do_action+0x2c/0x4c)
 3323 10:58:09.162595  # [  122.405506]  r5:c6aad000 r4:00000029
 3324 10:58:09.162914  # [  122.409121] [<c0c2effc>] (lkdtm_do_action) from [<c0c2f528>] (direct_entry+0x120/0x18c)
 3325 10:58:09.163232  # [  122.417171] [<c0c2f408>] (direct_entry) from [<c07f6038>] (full_proxy_write+0x64/0x94)
 3326 10:58:09.163537  # [  122.425121]  r9:c6979f60 r8:c513d000 r7:00000014 r6:b6dc1000 r5:c47cb040 r4:c0c2f408
 3327 10:58:09.205336  # [  122.432908] [<c07f5fd4>] (full_proxy_write) from [<c0598ab8>] (vfs_write+0x10c/0x524)
 3328 10:58:09.205883  # [  122.440771]  r9:c07f5fd4 r8:c6979f60 r7:c2816000 r6:b6dc1000 r5:c47cb040 r4:00000000
 3329 10:58:09.206245  # [  122.448549] [<c05989ac>] (vfs_write) from [<c059904c>] (ksys_write+0x74/0xec)
 3330 10:58:09.206578  # [  122.455720]  r10:00000004 r9:00000000 r8:00000000 r7:b6dc1000 r6:c6978000 r5:c47cb040
 3331 10:58:09.206898  # [  122.463570]  r4:c47cb040
 3332 10:58:09.207206  # [  122.466139] [<c0598fd8>] (ksys_write) from [<c05990dc>] (sys_write+0x18/0x1c)
 3333 10:58:09.249145  # [  122.473305]  r9:c6978000 r8:c03002e4 r7:00000004 r6:b6f08e00 r5:0000[  122.986380] lkdtm: Performing direct entry WRITE_KERN
 3334 10:58:09.249352  0014 r4:00000014
 3335 10:58:09.249462  # [  122.481088[  122.992734] lkdtm: attempting bad 7718036 byte write at c138c22c
 3336 10:58:09.249563  ] [<c05990c4>] (sys_wri[t e )1 2f.001535] 8<--- cut here ---
 3337 10:58:09.249660  rom [<c03000c0>] [( r e1t2_3f.a0s6929] Unable to handle kernel paging request at virtual address c138c22c
 3338 10:58:09.249756  t_syscall+0x0/0x28[) 
 3339 10:58:09.249847   
 3340 10:58:09.249938  1#2 3[. 016244] pgd = fd5c9f94
 3341 10:58:09.250028  122.488681] Exception stack(0xc69[  123.021131] [c138c22c] *pgd=1121940e(bad)
 3342 10:58:09.293342  79fa8 to 0xc6979ff0)
 3343 10:58:09.293893  # [  12[2 .123.028019] Internal error: Oops: 80d [#14] SMP ARM
 3344 10:58:09.294253  493764] 9fa0:                   0[  123.035502] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3
 3345 10:58:09.337414  0000014 00000014 00000001 b6dc100[  123.067219] CPU: 3 PID: 2613 Comm: cat Tainted: G      D W         5.10.155-cip21 #1
 3346 10:58:09.337968  0 00000014 00000000
 3347 10:58:09.338332  [#   [1 2 31077820] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 3348 10:58:09.338665  22.501973] 9fc0: 00000014 0000001[  123.086621] PC is at memcpy+0x50/0x330
 3349 10:58:09.338995  4 b6f08e00 00000004 00000001 0[0  123.093236] LR is at 0xe92dd830
 3350 10:58:09.339316  00000 00020000 be928a54
 3351 10:58:09.339628  [
 3352 10:58:09.339927    #1 2[.099068] pc : [<c08ce0b0>]    lr : [<e92dd830>]    psr: 200e0013
 3353 10:58:09.381418    122.510178] 9fe0: [0 0 0102030.107680] sp : c6a51e2c  ip : e1a0c00d  fp : c6a51e64
 3354 10:58:09.381968  4 be928788 b6e734c[f   b162d3f.9115166] r10: 0000000b  r9 : c1ad0ba0  r8 : e89da800
 3355 10:58:09.382341  e6
 3356 10:58:09.382669  # [  122.515264][  C o1d2e3:.122569] r7 : e8bd4000  r6 : e52de004  r5 : e24cb004  r4 : e92dd800
 3357 10:58:09.382989  e34a3bcd e3010984 e[3 4 c10213a.d31356] r3 : e1a0c00d  r2 : 0075c3f4  r1 : c0c2fdb8  r0 : c138c22c
 3358 10:58:09.383304   e0233002 (e5843000) 
 3359 10:58:09.383606  [
 3360 10:58:09.383905   #  1[2 3.140060] Flags: nzCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 3361 10:58:09.384205  122.521391] ---[ end t[r  a1c2e3 149544] Control: 10c5387d  Table: 1693c04a  DAC: 00000051
 3362 10:58:09.425439  cf55c2bf51e529d1 ]---
 3363 10:58:09.425977  # W[R I 1T3.157553] Process cat (pid: 2613, stack limit = 0x598285bf)
 3364 10:58:09.426345  E_RO_AFTER_INIT: missin[g   '1c2a.165735] Stack: (0xc6a51e2c to 0xc6a52000)
 3365 10:58:09.426678  ll trace:': [FAIL]
 3366 10:58:09.426991  not ok 40 sel[  123.172450] 1e20:                            c0c2fd98 0075c494 c6a51f60 c15e8634 c138c22c
 3367 10:58:09.427309  ftests: lkdtm: WRITE_RO_AFTER_INI[  123.183497] 1e40: c138c22c c138c410 0000002a c69dd000 0000000b c6a51f60 c6a51e74 c6a51e68
 3368 10:58:09.427617  T.sh # exit=1
 3369 10:58:09.469411  # selftests: lkd[t 123.194541] 1e60: c0c2f028 c138c3d0 c6a51e9c c6a51e78 c0c2f528 c0c2f008 c0c2f408 c680d180
 3370 10:58:09.469960  m: WRITE_KERN.sh
 3371 10:58:09.470317  [  123.205414] 1e80: b6dcf000 0000000b c513d000 c6a51f60 c6a51ec4 c6a51ea0 c07f6038 c0c2f414
 3372 10:58:09.470650  [  123.215159] 1ea0: 00000000 c680d180 b6dcf000 c2816000 c6a51f60 c07f5fd4 c6a51f5c c6a51ec8
 3373 10:58:09.470969  [  123.223370] 1ec0: c0598ab8 c07f5fe0 00000001 00000000 c059904c c13a1a78 c059904c c6a50000
 3374 10:58:09.471279  [  123.231582] 1ee0: b6dcf000 00020000 00000004 0000000b 0001fff5 c6a51ee0 00000001 b6dce000
 3375 10:58:09.513423  [  123.239790] 1f00: c5b1bb80 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 3376 10:58:09.513966  [  123.248001] 1f20: 00000000 00000000 c13a1a78 445b73ab c205cf60 c680d180 c680d180 c6a50000
 3377 10:58:09.514328  [  123.256211] 1f40: b6dcf000 00000000 00000000 00000004 c6a51f94 c6a51f60 c059904c c05989b8
 3378 10:58:09.514659  [  123.264420] 1f60: 00000000 00000000 c6a51fac 445b73ab 0000000b 0000000b b6f16e00 00000004
 3379 10:58:09.514978  [  123.272627] 1f80: c03002e4 c6a50000 c6a51fa4 c6a51f98 c05990dc c0598fe4 00000000 c6a51fa8
 3380 10:58:09.557427  [  123.280835] 1fa0: c03000c0 c05990d0 0000000b 0000000b 00000001 b6dcf000 0000000b 00000000
 3381 10:58:09.557972  [  123.289042] 1fc0: 0000000b 0000000b b6f16e00 00000004 00000001 00000000 00020000 bee8aa54
 3382 10:58:09.558332  [  123.297250] 1fe0: 00000004 bee8a788 b6e814cf b6e077e6 800e0030 00000001 00000000 00000000
 3383 10:58:09.558662  [  123.305443] Backtrace: 
 3384 10:58:09.558981  [  123.307965] [<c138c3c4>] (lkdtm_WRITE_KERN) from [<c0c2f028>] (lkdtm_do_action+0x2c/0x4c)
 3385 10:58:09.559293  [  123.316173]  r7:c6a51f60 r6:0000000b r5:c69dd000 r4:0000002a
 3386 10:58:09.559596  [  123.321876] [<c0c2effc>] (lkdtm_do_action) from [<c0c2f528>] (direct_entry+0x120/0x18c)
 3387 10:58:09.601229  [  123.329924] [<c0c2f408>] (direct_entry) from [<c07f6038>] (full_proxy_write+0x64/0x94)
 3388 10:58:09.601777  [  123.337875]  r9:c6a51f60 r8:c513d000 r7:0000000b r6:b6dcf000 r5:c680d180 r4:c0c2f408
 3389 10:58:09.602136  [  123.345662] [<c07f5fd4>] (full_proxy_write) from [<c0598ab8>] (vfs_write+0x10c/0x524)
 3390 10:58:09.602465  [  123.353526]  r9:c07f5fd4 r8:c6a51f60 r7:c2816000 r6:b6dcf000 r5:c680d180 r4:00000000
 3391 10:58:09.602779  [  123.361303] [<c05989ac>] (vfs_write) from [<c059904c>] (ksys_write+0x74/0xec)
 3392 10:58:09.645415  [  123.368471]  r10:00000004 r9:00000000 r8:00000000 r7:b6dcf000 r6:c6a50000 r5:c680d180
 3393 10:58:09.645965  [  123.376323]  r4:c680d180
 3394 10:58:09.646325  [  123.378891] [<c0598fd8>] (ksys_write) from [<c05990dc>] (sys_write+0x18/0x1c)
 3395 10:58:09.646659  [  123.386057]  r9:c6a50000 r8:c03002e4 r7:00000004 r6:b6f16e00 r5:0000000b r4:0000000b
 3396 10:58:09.646979  [  123.393838] [<c05990c4>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 3397 10:58:09.647288  [  123.401430] Exception stack(0xc6a51fa8 to 0xc6a51ff0)
 3398 10:58:09.647589  [  123.406511] 1fa0:                   0000000b 0000000b 00000001 b6dcf000 0000000b 00000000
 3399 10:58:09.692868  [  123.414721] 1fc0: 0000000b 0000000b b6f16e00 00000004 00000001 00000000 00020000 bee8aa54
 3400 10:58:09.693033  [  123.422923] 1fe0: 00000004 bee8a788 b6e814cf b6e077e6
 3401 10:58:09.693102  [  123.428006] Code: f5d1f05c f5d1f07c e8b151f8 e2522020 (e8a051f8) 
 3402 10:58:09.693171  [  123.434136] ---[ end trace cf55c2bf51e529d2 ]---
 3403 10:58:09.693265  # Segmentation fault
 3404 10:58:09.832997  # [  122.986380] lkdtm: Performing direct entry WRITE_KERN
 3405 10:58:09.833089  # [  122.992734] lkdtm: attempting bad 7718036 byte write at c138c22c
 3406 10:58:09.833161  # [  123.001535] 8<--- cut here ---
 3407 10:58:09.833225  # [  123.006929] Unable to handle kernel paging request at virtual address c138c22c
 3408 10:58:09.833290  # [  123.016244] pgd = fd5c9f94
 3409 10:58:09.833350  # [  123.021131] [c138c22c] *pgd=1121940e(bad)
 3410 10:58:09.833409  # [  123.028019] Internal error: Oops: 80d [#14] SMP ARM
 3411 10:58:09.881145  # [  123.035502] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3
 3412 10:58:09.881374  # [  123.067219] CPU: 3 PID: 2613 Comm: cat Tainted: G      D W         5.10.155-cip21 #1
 3413 10:58:09.881502  # [  123.077820] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 3414 10:58:09.881617  # [  123.086621] PC is at memcpy+0x50/0x330
 3415 10:58:09.881725  # [  123.093236] LR is at 0xe92dd830
 3416 10:58:09.925325  # [  123.099068] pc : [<c08ce0b0>]    lr : [<e92dd830>]    psr: 200e0013
 3417 10:58:09.925837  # [  123.107680] sp : c6a51e2c  ip : e1a0c00d  fp : c6a51e64
 3418 10:58:09.926163  # [  123.115166] r10: 0000000b  r9 : c1ad0ba0  r8 : e89da800
 3419 10:58:09.926461  # [  123.122569] r7 : e8bd4000  r6 : e52de004  r5 : e24cb004  r4 : e92dd800
 3420 10:58:09.926771  # [  123.131356] r3 : e1a0c00d  r2 : 0075c3f4  r1 : c0c2fdb8  r0 : c138c22c
 3421 10:58:09.927067  # [  123.140060] Flags: nzCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 3422 10:58:09.927344  # [  123.149544] Control: 10c5387d  Table: 1693c04a  DAC: 00000051
 3423 10:58:09.968858  # [  123.157553] Process cat (pid: 2613, stack limit = 0x598285bf)
 3424 10:58:09.969029  # [  123.165735] Stack: (0xc6a51e2c to 0xc6a52000)
 3425 10:58:09.969126  # [  123.172450] 1e20:                            c0c2fd98 0075c494 c6a51f60 c15e8634 c138c22c
 3426 10:58:09.969204  # [  123.183497] 1e40: c138c22c c138c410 0000002a c69dd000 0000000b c6a51f60 c6a51e74 c6a51e68
 3427 10:58:09.969272  # [  123.194541] 1e60: c0c2f028 c138c3d0 c6a51e9c c6a51e78 c0c2f528 c0c2f008 c0c2f408 c680d180
 3428 10:58:09.969341  # [  123.205414] 1e80: b6dcf000 0000000b c513d000 c6a51f60 c6a51ec4 c6a51ea0 c07f6038 c0c2f414
 3429 10:58:10.013045  
 3430 10:58:10.013366  # [  123.215159] 1ea0: 00000000 c680d180 b6dcf000 c2816000 c6a51f60 c07f5fd4 c6a51f5c c6a51ec8
 3431 10:58:10.013558  # [  123.223370] 1ec0: c0598ab8 c07f5fe0 00000001 00000000 c059904c c13a1a78 c059904c c6a50000
 3432 10:58:10.013734  # [  123.231582] 1ee0: b6dcf000 00020000 00000004 0000000b 0001fff5 c6a51ee0 00000001 b6dce000
 3433 10:58:10.013905  # [  123.239790] 1f00: c5b1bb80 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 3434 10:58:10.014084  # [  123.248001] 1f20: 00000000 00000000 c13a1a78 445b73ab c205cf60 c680d180 c680d180 c6a50000
 3435 10:58:10.057270  # [  123.256211] 1f40: b6dcf000 00000000 00000000 00000004 c6a51f94 c6a51f60 c059904c c05989b8
 3436 10:58:10.057833  # [  123.264420] 1f60: 00000000 00000000 c6a51fac 445b73ab 0000000b 0000000b b6f16e00 00000004
 3437 10:58:10.058203  # [  123.272627] 1f80: c03002e4 c6a50000 c6a51fa4 c6a51f98 c05990dc c0598fe4 00000000 c6a51fa8
 3438 10:58:10.058527  # [  123.280835] 1fa0: c03000c0 c05990d0 0000000b 0000000b 00000001 b6dcf000 0000000b 00000000
 3439 10:58:10.058835  # [  123.289042] 1fc0: 0000000b 0000000b b6f16e00 00000004 00000001 00000000 00020000 bee8aa54
 3440 10:58:10.101192  # [  123.297250] 1fe0: 00000004 bee8a788 b6e814cf b6e077e6 800e0030 00000001 00000000 00000000
 3441 10:58:10.101695  # [  123.305443] Backtrace: 
 3442 10:58:10.102013  # [  123.307965] [<c138c3c4>] (lkdtm_WRITE_KERN) from [<c0c2f028>] (lkdtm_do_action+0x2c/0x4c)
 3443 10:58:10.102308  # [  123.316173]  r7:c6a51f60 r6:0000000b r5:c69dd000 r4:0000002a
 3444 10:58:10.102588  # [  123.321876] [<c0c2effc>] (lkdtm_do_action) from [<c0c2f528>] (direct_entry+0x120/0x18c)
 3445 10:58:10.102868  # [  123.329924] [<c0c2f408>] (direct_entry) from [<c07f6038>] (full_proxy_write+0x64/0x94)
 3446 10:58:10.145406  # [  123.337875]  r9:c6a51f60 r8:c513d000 r7:0000000b r6:b6dcf000 r5:c680d180 r4:c0c2f408
 3447 10:58:10.145938  # [  123.345662] [<c07f5fd4>] (full_proxy_write) from [<c0598ab8>] (vfs_write+0x10c/0x524)
 3448 10:58:10.146290  # [  123.353526]  r9:c07f5fd4 r8:c6a51f60 r7:c2816000 r6:b6dcf000 r5:c680d180 r4:00000000
 3449 10:58:10.146613  # [  123.361303] [<c05989ac>] (vfs_write) from [<c059904c>] (ksys_write+0x74/0xec)
 3450 10:58:10.146922  # [  123.368471]  r10:00000004 r9:00000000 r8:00000000 r7:b6dcf000 r6:c6a50000 r5:c680d180
 3451 10:58:10.147219  # [  123.376323]  r4:c680d180
 3452 10:58:10.189171  # [  123.378891] [<c0598fd8>] (ksys_write) from [<c05990dc>] (sys_write+0x18/0x1c)
 3453 10:58:10.189703  # [  123.386057]  r9:c6a50000 r8:c03002e4 r7:00000004 r6:b6f16e00 r5:0000000b r4:0000000b
 3454 10:58:10.190045  # [  123.393838] [<c05990c4>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 3455 10:58:10.190366  # [  123.401430] Exception stack(0xc6a51fa8 to 0xc6a51ff0)
 3456 10:58:10.190672  # [  123.406511] 1fa0:                   0000000b 0000000b 00000001 b6dcf000 0000000b 00000000
 3457 10:58:10.190972  # [  123.414721] 1fc0: 0000000b 0000000b b6f16e00 00000004 00000001 00000000 00020000 bee8aa54
 3458 10:58:10.233418  # [  123.422923] 1fe0: 00000004 bee8a788 b6e814cf b6e077e6
 3459 10:58:10.233956  # [  [  123.971404] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW
 3460 10:58:10.234304  123.428006] Code: f5d1f05c f5d1f0[  123.979711] lkdtm: attempting good refcount_inc() without overflow
 3461 10:58:10.234639  7c e8b151f8 e2522020 (e8a051f8) 
 3462 10:58:10.234953  [  123.988648] lkdtm: attempting bad refcount_inc() overflow
 3463 10:58:10.235248  
 3464 10:58:10.235540  # [  123.434136] ---[ end trace [  123.996972] ------------[ cut here ]------------
 3465 10:58:10.235830  cf55c2bf51e529d2 ]---
 3466 10:58:10.277407  # WRITE_KE[  124.004394] WARNING: CPU: 2 PID: 2688 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174
 3467 10:58:10.277950  RN: missing 'call trace:': [FAIL][  124.015677] refcount_t: saturated; leaking memory.
 3468 10:58:10.278314  
 3469 10:58:10.278642  not ok 41 selftests: lkdtm: WRI[  124.023329] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3
 3470 10:58:10.278982  TE_KERN.sh # exit=1
 3471 10:58:10.321436  # selftests:[  124.055030] CPU: 2 PID: 2688 Comm: cat Tainted: G      D W         5.10.155-cip21 #1
 3472 10:58:10.321983   lkdtm: RE[F C O1U2N4.T0_6I5N5C9_] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 3473 10:58:10.322347  OVERFLOW.sh
 3474 10:58:10.322673  [  124.073860] Backtrace: 
 3475 10:58:10.322988  [  124.077454] [<c137e7e8>] (dump_backtrace) from [<c137eba8>] (show_stack+0x20/0x24)
 3476 10:58:10.323299  [  124.085034]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4
 3477 10:58:10.323604  [  124.090708] [<c137eb88>] (show_stack) from [<c1385d24>] (dump_stack+0xe0/0x100)
 3478 10:58:10.365435  [  124.098033] [<c1385c44>] (dump_stack) from [<c03566f0>] (__warn+0xfc/0x16c)
 3479 10:58:10.365981  [  124.105005]  r9:00000009 r8:c086e4cc r7:00000016 r6:00000009 r5:c086e4cc r4:c1a24c30
 3480 10:58:10.366343  [  124.112759] [<c03565f4>] (__warn) from [<c137fcc8>] (warn_slowpath_fmt+0x8c/0xa8)
 3481 10:58:10.366673  [  124.120249]  r7:00000016 r6:c1a24c30 r5:c1a24c08 r4:c5d98000
 3482 10:58:10.366990  [  124.125921] [<c137fc40>] (warn_slowpath_fmt) from [<c086e4cc>] (refcount_warn_saturate+0xd4/0x174)
 3483 10:58:10.367301  [  124.134888]  r9:c1ad0bac r8:c15e8634 r7:c5d99f60 r6:00000016 r5:c6c67000 r4:c5d98000
 3484 10:58:10.409433  [  124.142647] [<c086e3f8>] (refcount_warn_saturate) from [<c0c300ac>] (__refcount_add.constprop.0+0x44/0x58)
 3485 10:58:10.409981  [  124.152313] [<c0c30068>] (__refcount_add.constprop.0) from [<c138c840>] (lkdtm_REFCOUNT_INC_OVERFLOW+0x78/0x9c)
 3486 10:58:10.410343  [  124.162416] [<c138c7c8>] (lkdtm_REFCOUNT_INC_OVERFLOW) from [<c0c2f028>] (lkdtm_do_action+0x2c/0x4c)
 3487 10:58:10.410673  [  124.171554]  r4:0000002b
 3488 10:58:10.410984  [  124.174100] [<c0c2effc>] (lkdtm_do_action) from [<c0c2f528>] (direct_entry+0x120/0x18c)
 3489 10:58:10.453450  [  124.182118] [<c0c2f408>] (direct_entry) from [<c07f6038>] (full_proxy_write+0x64/0x94)
 3490 10:58:10.453998  [  124.190044]  r9:c5d99f60 r8:c513d000 r7:00000016 r6:b6dd9000 r5:c6a12280 r4:c0c2f408
 3491 10:58:10.454359  [  124.197800] [<c07f5fd4>] (full_proxy_write) from [<c0598ab8>] (vfs_write+0x10c/0x524)
 3492 10:58:10.454690  [  124.205640]  r9:c07f5fd4 r8:c5d99f60 r7:c2816000 r6:b6dd9000 r5:c6a12280 r4:00000000
 3493 10:58:10.455007  [  124.213391] [<c05989ac>] (vfs_write) from [<c059904c>] (ksys_write+0x74/0xec)
 3494 10:58:10.455315  [  124.220536]  r10:00000004 r9:00000000 r8:00000000 r7:b6dd9000 r6:c5d98000 r5:c6a12280
 3495 10:58:10.455616  [  124.228368]  r4:c6a12280
 3496 10:58:10.497007  [  124.230911] [<c0598fd8>] (ksys_write) from [<c05990dc>] (sys_write+0x18/0x1c)
 3497 10:58:10.497175  [  124.238054]  r9:c5d98000 r8:c03002e4 r7:00000004 r6:b6f20e00 r5:00000016 r4:00000016
 3498 10:58:10.497242  [  124.245809] [<c05990c4>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 3499 10:58:10.497333  [  124.253384] Exception stack(0xc5d99fa8 to 0xc5d99ff0)
 3500 10:58:10.497422  [  124.258447] 9fa0:                   00000016 00000016 00000001 b6dd9000 00000016 00000000
 3501 10:58:10.541026  [  124.266634] 9fc0: 00000016 00000016 b6f20e00 00000004 00000001 00000000 00020000 be9c3a54
 3502 10:58:10.541281  [  124.274817] 9fe0: 00000004 be9c3788 b6e8b4cf b6e117e6
 3503 10:58:10.541424  [  124.279929] irq event stamp: 0
 3504 10:58:10.541555  [  124.283051] hardirqs last  enabled at (0): [<00000000>] 0x0
 3505 10:58:10.541680  [  124.288646] hardirqs last disabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 3506 10:58:10.541804  [  124.296175] softirqs last  enabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 3507 10:58:10.541924  [  124.303700] softirqs last disabled at (0): [<00000000>] 0x0
 3508 10:58:10.542036  [  124.309284] ---[ end trace cf55c2bf51e529d3 ]---
 3509 10:58:10.542147  [  124.313941] lkdtm: Overflow detected: saturated
 3510 10:58:10.652475  # [  123.971404] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW
 3511 10:58:10.653096  # [  123.979711] lkdtm: attempting good refcount_inc() without overflow
 3512 10:58:10.653553  # [  123.988648] lkdtm: attempting bad refcount_inc() overflow
 3513 10:58:10.653896  # [  123.996972] ------------[ cut here ]------------
 3514 10:58:10.654219  # [  124.004394] WARNING: CPU: 2 PID: 2688 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174
 3515 10:58:10.654538  # [  124.015677] refcount_t: saturated; leaking memory.
 3516 10:58:10.695383  # [  124.023329] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3
 3517 10:58:10.695983  # [  124.055030] CPU: 2 PID: 2688 Comm: cat Tainted: G      D W         5.10.155-cip21 #1
 3518 10:58:10.696359  # [  124.065598] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 3519 10:58:10.696806  # [  124.073860] Backtrace: 
 3520 10:58:10.738721  # [  124.077454] [<c137e7e8>] (dump_backtrace) from [<c137eba8>] (show_stack+0x20/0x24)
 3521 10:58:10.739363  # [  124.085034]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4
 3522 10:58:10.739745  # [  124.090708] [<c137eb88>] (show_stack) from [<c1385d24>] (dump_stack+0xe0/0x100)
 3523 10:58:10.740121  # [  124.098033] [<c1385c44>] (dump_stack) from [<c03566f0>] (__warn+0xfc/0x16c)
 3524 10:58:10.740454  # [  124.105005]  r9:00000009 r8:c086e4cc r7:00000016 r6:00000009 r5:c086e4cc r4:c1a24c30
 3525 10:58:10.740813  # [  124.112759] [<c03565f4>] (__warn) from [<c137fcc8>] (warn_slowpath_fmt+0x8c/0xa8)
 3526 10:58:10.781523  # [  124.120249]  r7:00000016 r6:c1a24c30 r5:c1a24c08 r4:c5d98000
 3527 10:58:10.782064  # [  124.125921] [<c137fc40>] (warn_slowpath_fmt) from [<c086e4cc>] (refcount_warn_saturate+0xd4/0x174)
 3528 10:58:10.782420  # [  124.134888]  r9:c1ad0bac r8:c15e8634 r7:c5d99f60 r6:00000016 r5:c6c67000 r4:c5d98000
 3529 10:58:10.782751  # [  124.142647] [<c086e3f8>] (refcount_warn_saturate) from [<c0c300ac>] (__refcount_add.constprop.0+0x44/0x58)
 3530 10:58:10.783068  # [  124.152313] [<c0c30068>] (__refcount_add.constprop.0) from [<c138c840>] (lkdtm_REFCOUNT_INC_OVERFLOW+0x78/0x9c)
 3531 10:58:10.829212  # [  124.162416] [<c138c7c8>] (lkdtm_REFCOUNT_INC_OVERFLOW) from [<c0c2f028>] (lkdtm_do_action+0x2c/0x4c)
 3532 10:58:10.829826  # [  124.171554]  r4:0000002b
 3533 10:58:10.830258  # [  124.174100] [<c0c2effc>] (lkdtm_do_action) from [<c0c2f528>] (direct_entry+0x120/0x18c)
 3534 10:58:10.830604  # [  124.182118] [<c0c2f408>] (direct_entry) from [<c07f6038>] (full_proxy_write+0x64/0x94)
 3535 10:58:10.831035  # [  124.190044]  r9:c5d99f60 r8:c513d000 r7:00000016 r6:b6dd9000 r5:c6a12280 r4:c0c2f408
 3536 10:58:10.831384  # [  124.197800] [<c07f5fd4>] (full_proxy_write) from [<c0598ab8>] (vfs_write+0x10c/0x524)
 3537 10:58:10.873343  # [  124.205640]  r9:c07f5fd4 r8:c5d99f60 r7:c2816000 r6:b6dd9000 r5:c6a12280 r4:00000000
 3538 10:58:10.873891  # [  124.213391] [<c05989ac>] (vfs_write) from [<c059904c>] (ksys_write+0x74/0xec)
 3539 10:58:10.874252  # [  124.220536]  r10:00000004 r9:00000000 r8:00000000 r7:b6dd9000 r6:c5d98000 r5:c6a12280
 3540 10:58:10.874583  # [  124.228368]  r4:c6a12280
 3541 10:58:10.874901  # [  124.230911] [<c0598fd8>] (ksys_write) from [<c05990dc>] (sys_write+0x18/0x1c)
 3542 10:58:10.875213  # [  124.238054]  r9:c5d98000 r8:c03002e4 r7:00000004 r6:b6f20e00 r5:00000016 r4:00000016
 3543 10:58:10.917414  # [  124.245809] [<c05990c4>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 3544 10:58:10.917960  # [  124.253384] Exception stack(0xc5d99fa8 to 0xc5d99ff0)
 3545 10:58:10.918321  # [  124.258447] 9fa0:                   00000016 00000016 00000001 b6dd9000 00000016 00000000
 3546 10:58:10.918653  # [  124.266634] 9fc0: 00000016 00000016 b6f20e00 00000004 00000001 00000000 00020000 be9c3a54
 3547 10:58:10.918969  # [  124.274817] 9fe0: 00000004 be9c3788 b6e8b4cf b6e117e6
 3548 10:58:10.919277  # [  124.279929] irq event stamp: 0
 3549 10:58:10.919579  # [  124.283051] hardirqs last  enabled at (0): [<00000000>] 0x0
 3550 10:58:10.961075  # [  124.288646] hardirqs last disabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 3551 10:58:10.961688  # [  124.296175] softirqs last  enabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 3552 10:58:10.962215  # [  124.303700] softirqs last disabled at (0): [<00000000>] 0x0
 3553 10:58:10.962582  # [  124.309284] ---[ end trace cf55c2bf51e529d3 ]---
 3554 10:58:10.962939  # [  124.313941] lkdtm: Overflow detected: saturated
 3555 10:58:10.963425  # REFCOUNT_INC_OVERFLOW: missing 'call trace:': [FAIL]
 3556 10:58:10.963913  not ok 42 selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh[  124.739280] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW
 3557 10:58:11.005139   # exit=1
 3558 10:58:11.005342  # selftests: lkdtm: RE[  124.747189] lkdtm: attempting good refcount_add() without overflow
 3559 10:58:11.005453  FCOUNT_ADD_OVERFLOW.sh
 3560 10:58:11.005552  [  124.756329] lkdtm: attempting bad refcount_add() overflow
 3561 10:58:11.005648  [  124.763746] ------------[ cut here ]------------
 3562 10:58:11.005743  [  124.768397] WARNING: CPU: 0 PID: 2722 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174
 3563 10:58:11.005838  [  124.776866] refcount_t: saturated; leaking memory.
 3564 10:58:11.049272  [  124.781699] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3
 3565 10:58:11.049567  [  124.810848] CPU: 0 PID: 2722 Comm: cat Tainted: G      D W         5.10.155-cip21 #1
 3566 10:58:11.049741  [  124.818597] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 3567 10:58:11.049901  [  124.825129] Backtrace: 
 3568 10:58:11.093396  [  124.827604] [<c137e7e8>] (dump_backtrace) from [<c137eba8>] (show_stack+0x20/0x24)
 3569 10:58:11.093881  [  124.835184]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4
 3570 10:58:11.094191  [  124.840859] [<c137eb88>] (show_stack) from [<c1385d24>] (dump_stack+0xe0/0x100)
 3571 10:58:11.094473  [  124.848182] [<c1385c44>] (dump_stack) from [<c03566f0>] (__warn+0xfc/0x16c)
 3572 10:58:11.094744  [  124.855154]  r9:00000009 r8:c086e4cc r7:00000016 r6:00000009 r5:c086e4cc r4:c1a24c30
 3573 10:58:11.095007  [  124.862908] [<c03565f4>] (__warn) from [<c137fcc8>] (warn_slowpath_fmt+0x8c/0xa8)
 3574 10:58:11.095264  [  124.870398]  r7:00000016 r6:c1a24c30 r5:c1a24c08 r4:c6f9e000
 3575 10:58:11.137433  [  124.876072] [<c137fc40>] (warn_slowpath_fmt) from [<c086e4cc>] (refcount_warn_saturate+0xd4/0x174)
 3576 10:58:11.137979  [  124.885041]  r9:c1ad0bc4 r8:c15e8634 r7:c6f9ff60 r6:00000016 r5:c6ac1000 r4:c6f9e000
 3577 10:58:11.138342  [  124.892799] [<c086e3f8>] (refcount_warn_saturate) from [<c0c300ac>] (__refcount_add.constprop.0+0x44/0x58)
 3578 10:58:11.138675  [  124.902467] [<c0c30068>] (__refcount_add.constprop.0) from [<c138c8e8>] (lkdtm_REFCOUNT_ADD_OVERFLOW+0x84/0xa8)
 3579 10:58:11.181420  [  124.912572] [<c138c864>] (lkdtm_REFCOUNT_ADD_OVERFLOW) from [<c0c2f028>] (lkdtm_do_action+0x2c/0x4c)
 3580 10:58:11.181966  [  124.921710]  r4:0000002c
 3581 10:58:11.182321  [  124.924256] [<c0c2effc>] (lkdtm_do_action) from [<c0c2f528>] (direct_entry+0x120/0x18c)
 3582 10:58:11.182649  [  124.932276] [<c0c2f408>] (direct_entry) from [<c07f6038>] (full_proxy_write+0x64/0x94)
 3583 10:58:11.182964  [  124.940201]  r9:c6f9ff60 r8:c513d000 r7:00000016 r6:b6e46000 r5:c5a3cdc0 r4:c0c2f408
 3584 10:58:11.183277  [  124.947956] [<c07f5fd4>] (full_proxy_write) from [<c0598ab8>] (vfs_write+0x10c/0x524)
 3585 10:58:11.183580  [  124.955796]  r9:c07f5fd4 r8:c6f9ff60 r7:c2816000 r6:b6e46000 r5:c5a3cdc0 r4:00000000
 3586 10:58:11.225451  [  124.963550] [<c05989ac>] (vfs_write) from [<c059904c>] (ksys_write+0x74/0xec)
 3587 10:58:11.225959  [  124.970695]  r10:00000004 r9:00000000 r8:00000000 r7:b6e46000 r6:c6f9e000 r5:c5a3cdc0
 3588 10:58:11.226323  [  124.978530]  r4:c5a3cdc0
 3589 10:58:11.226656  [  124.981072] [<c0598fd8>] (ksys_write) from [<c05990dc>] (sys_write+0x18/0x1c)
 3590 10:58:11.226973  [  124.988217]  r9:c6f9e000 r8:c03002e4 r7:00000004 r6:b6f8de00 r5:00000016 r4:00000016
 3591 10:58:11.227283  [  124.995972] [<c05990c4>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 3592 10:58:11.269336  [  125.003547] Exception stack(0xc6f9ffa8 to 0xc6f9fff0)
 3593 10:58:11.269879  [  125.008608] ffa0:                   00000016 00000016 00000001 b6e46000 00000016 00000000
 3594 10:58:11.270242  [  125.016795] ffc0: 00000016 00000016 b6f8de00 00000004 00000001 00000000 00020000 beafda54
 3595 10:58:11.270570  [  125.024980] ffe0: 00000004 beafd788 b6ef84cf b6e7e7e6
 3596 10:58:11.270883  [  125.030066] irq event stamp: 0
 3597 10:58:11.271189  [  125.033163] hardirqs last  enabled at (0): [<00000000>] 0x0
 3598 10:58:11.271490  [  125.038751] hardirqs last disabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 3599 10:58:11.313352  [  125.046271] softirqs last  enabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 3600 10:58:11.313863  [  125.053788] softirqs last disabled at (0): [<00000000>] 0x0
 3601 10:58:11.314194  [  125.059373] ---[ end trace cf55c2bf51e529d4 ]---
 3602 10:58:11.314497  [  125.064023] lkdtm: Overflow detected: saturated
 3603 10:58:11.411220  # [  124.739280] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW
 3604 10:58:11.411727  # [  124.747189] lkdtm: attempting good refcount_add() without overflow
 3605 10:58:11.412055  # [  124.756329] lkdtm: attempting bad refcount_add() overflow
 3606 10:58:11.412354  # [  124.763746] ------------[ cut here ]------------
 3607 10:58:11.412640  # [  124.768397] WARNING: CPU: 0 PID: 2722 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174
 3608 10:58:11.412957  # [  124.776866] refcount_t: saturated; leaking memory.
 3609 10:58:11.454203  # [  124.781699] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3
 3610 10:58:11.454790  # [  124.810848] CPU: 0 PID: 2722 Comm: cat Tainted: G      D W         5.10.155-cip21 #1
 3611 10:58:11.455193  # [  124.818597] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 3612 10:58:11.455535  # [  124.825129] Backtrace: 
 3613 10:58:11.497049  # [  124.827604] [<c137e7e8>] (dump_backtrace) from [<c137eba8>] (show_stack+0x20/0x24)
 3614 10:58:11.497548  # [  124.835184]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4
 3615 10:58:11.497921  # [  124.840859] [<c137eb88>] (show_stack) from [<c1385d24>] (dump_stack+0xe0/0x100)
 3616 10:58:11.498256  # [  124.848182] [<c1385c44>] (dump_stack) from [<c03566f0>] (__warn+0xfc/0x16c)
 3617 10:58:11.498578  # [  124.855154]  r9:00000009 r8:c086e4cc r7:00000016 r6:00000009 r5:c086e4cc r4:c1a24c30
 3618 10:58:11.498898  # [  124.862908] [<c03565f4>] (__warn) from [<c137fcc8>] (warn_slowpath_fmt+0x8c/0xa8)
 3619 10:58:11.499189  # [  124.870398]  r7:00000016 r6:c1a24c30 r5:c1a24c08 r4:c6f9e000
 3620 10:58:11.541122  # [  124.876072] [<c137fc40>] (warn_slowpath_fmt) from [<c086e4cc>] (refcount_warn_saturate+0xd4/0x174)
 3621 10:58:11.541625  # [  124.885041]  r9:c1ad0bc4 r8:c15e8634 r7:c6f9ff60 r6:00000016 r5:c6ac1000 r4:c6f9e000
 3622 10:58:11.541949  # [  124.892799] [<c086e3f8>] (refcount_warn_saturate) from [<c0c300ac>] (__refcount_add.constprop.0+0x44/0x58)
 3623 10:58:11.542249  # [  124.902467] [<c0c30068>] (__refcount_add.constprop.0) from [<c138c8e8>] (lkdtm_REFCOUNT_ADD_OVERFLOW+0x84/0xa8)
 3624 10:58:11.585179  # [  124.912572] [<c138c864>] (lkdtm_REFCOUNT_ADD_OVERFLOW) from [<c0c2f028>] (lkdtm_do_action+0x2c/0x4c)
 3625 10:58:11.585758  # [  124.921710]  r4:0000002c
 3626 10:58:11.586122  # [  124.924256] [<c0c2effc>] (lkdtm_do_action) from [<c0c2f528>] (direct_entry+0x120/0x18c)
 3627 10:58:11.586456  # [  124.932276] [<c0c2f408>] (direct_entry) from [<c07f6038>] (full_proxy_write+0x64/0x94)
 3628 10:58:11.586775  # [  124.940201]  r9:c6f9ff60 r8:c513d000 r7:00000016 r6:b6e46000 r5:c5a3cdc0 r4:c0c2f408
 3629 10:58:11.587090  # [  124.947956] [<c07f5fd4>] (full_proxy_write) from [<c0598ab8>] (vfs_write+0x10c/0x524)
 3630 10:58:11.629186  # [  124.955796]  r9:c07f5fd4 r8:c6f9ff60 r7:c2816000 r6:b6e46000 r5:c5a3cdc0 r4:00000000
 3631 10:58:11.629700  # [  124.963550] [<c05989ac>] (vfs_write) from [<c059904c>] (ksys_write+0x74/0xec)
 3632 10:58:11.630031  # [  124.970695]  r10:00000004 r9:00000000 r8:00000000 r7:b6e46000 r6:c6f9e000 r5:c5a3cdc0
 3633 10:58:11.630331  # [  124.978530]  r4:c5a3cdc0
 3634 10:58:11.630619  # [  124.981072] [<c0598fd8>] (ksys_write) from [<c05990dc>] (sys_write+0x18/0x1c)
 3635 10:58:11.630902  # [  124.988217]  r9:c6f9e000 r8:c03002e4 r7:00000004 r6:b6f8de00 r5:00000016 r4:00000016
 3636 10:58:11.631179  # [  124.995972] [<c05990c4>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 3637 10:58:11.673055  # [  125.003547] Exception stack(0xc6f9ffa8 to 0xc6f9fff0)
 3638 10:58:11.673700  # [  125.008608] ffa0:                   00000016 00000016 00000001 b6e46000 00000016 00000000
 3639 10:58:11.674071  # [  125.016795] ffc0: 00000016 00000016 b6f8de00 00000004 00000001 00000000 00020000 beafda54
 3640 10:58:11.674420  # [  125.024980] ffe0: 00000004 beafd788 b6ef84cf b6e7e7e6
 3641 10:58:11.674738  # [  125.030066] irq event stamp: 0
 3642 10:58:11.675045  # [  125.033163] hardirqs last  enabled at (0): [<00000000>] 0x0
 3643 10:58:11.720856  # [  125.038751] hardirqs last disabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 3644 10:58:11.721013  # [  125.046271] softirqs last  enabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 3645 10:58:11.721109  # [  125.053788] softirqs last disabled at (0): [<00000000>] 0x0
 3646 10:58:11.721219  # [  125.059373] ---[ end trace cf55c2bf51e529d4 ]---
 3647 10:58:11.721281  # [ [  125.480395] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW
 3648 10:58:11.721340   125.064023] lkdtm: Overflow dete[  125.488960] lkdtm: attempting bad refcount_inc_not_zero() overflow
 3649 10:58:11.721403  cted: saturated
 3650 10:58:11.721463  # REFCOUNT_ADD_O[  125.498000] ------------[ cut here ]------------
 3651 10:58:11.765328  VERFLOW: missing 'call trace:': [[  125.505579] WARNING: CPU: 3 PID: 2756 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174
 3652 10:58:11.765842  FAIL]
 3653 10:58:11.766204  not ok 43 selftests: lkdtm[  125.516768] refcount_t: saturated; leaking memory.
 3654 10:58:11.809419  : REFCOUNT_ADD_OVERFLOW.sh # exit[  125.524443] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3
 3655 10:58:11.809983  =1
 3656 10:58:11.810347  # selftests: lkdtm: REFCOUNT_[  125.556140] CPU: 3 PID: 2756 Comm: cat Tainted: G      D W         5.10.155-cip21 #1
 3657 10:58:11.810681  INC_NOT_ZERO_O[V E R1F2L5O.W5.6s6677] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 3658 10:58:11.811000  
 3659 10:58:11.811303  [  125.575199] Backtrace: 
 3660 10:58:11.811602  [  125.577842] [<c137e7e8>] (dump_backtrace) from [<c137eba8>] (show_stack+0x20/0x24)
 3661 10:58:11.811903  [  125.585425]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4
 3662 10:58:11.853316  [  125.591104] [<c137eb88>] (show_stack) from [<c1385d24>] (dump_stack+0xe0/0x100)
 3663 10:58:11.853858  [  125.598434] [<c1385c44>] (dump_stack) from [<c03566f0>] (__warn+0xfc/0x16c)
 3664 10:58:11.854225  [  125.605409]  r9:00000009 r8:c086e498 r7:00000013 r6:00000009 r5:c086e498 r4:c1a24c30
 3665 10:58:11.854555  [  125.613169] [<c03565f4>] (__warn) from [<c137fcc8>] (warn_slowpath_fmt+0x8c/0xa8)
 3666 10:58:11.854871  [  125.620661]  r7:00000013 r6:c1a24c30 r5:c1a24c08 r4:c5c6c000
 3667 10:58:11.855177  [  125.626343] [<c137fc40>] (warn_slowpath_fmt) from [<c086e498>] (refcount_warn_saturate+0xa0/0x174)
 3668 10:58:11.897418  [  125.635316]  r9:c1ad0bdc r8:c15e8634 r7:c5c6df60 r6:0000001f r5:c6aaa000 r4:7fffffff
 3669 10:58:11.897966  [  125.643081] [<c086e3f8>] (refcount_warn_saturate) from [<c138c7b4>] (__refcount_add_not_zero.constprop.0+0x64/0x78)
 3670 10:58:11.898332  [  125.653534] [<c138c750>] (__refcount_add_not_zero.constprop.0) from [<c138c95c>] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x50/0x88)
 3671 10:58:11.898666  [  125.665192]  r5:c6aaa000 r4:c5c6c000
 3672 10:58:11.898983  [  125.668790] [<c138c90c>] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW) from [<c0c2f028>] (lkdtm_do_action+0x2c/0x4c)
 3673 10:58:11.941398  [  125.678712]  r4:0000002d
 3674 10:58:11.941936  [  125.681262] [<c0c2effc>] (lkdtm_do_action) from [<c0c2f528>] (direct_entry+0x120/0x18c)
 3675 10:58:11.942298  [  125.689288] [<c0c2f408>] (direct_entry) from [<c07f6038>] (full_proxy_write+0x64/0x94)
 3676 10:58:11.942622  [  125.697218]  r9:c5c6df60 r8:c513d000 r7:0000001f r6:b6e32000 r5:c5ab0c80 r4:c0c2f408
 3677 10:58:11.942936  [  125.704980] [<c07f5fd4>] (full_proxy_write) from [<c0598ab8>] (vfs_write+0x10c/0x524)
 3678 10:58:11.943246  [  125.712822]  r9:c07f5fd4 r8:c5c6df60 r7:c2816000 r6:b6e32000 r5:c5ab0c80 r4:00000000
 3679 10:58:11.985437  [  125.720580] [<c05989ac>] (vfs_write) from [<c059904c>] (ksys_write+0x74/0xec)
 3680 10:58:11.985983  [  125.727727]  r10:00000004 r9:00000000 r8:00000000 r7:b6e32000 r6:c5c6c000 r5:c5ab0c80
 3681 10:58:11.986346  [  125.735564]  r4:c5ab0c80
 3682 10:58:11.986672  [  125.738113] [<c0598fd8>] (ksys_write) from [<c05990dc>] (sys_write+0x18/0x1c)
 3683 10:58:11.986989  [  125.745262]  r9:c5c6c000 r8:c03002e4 r7:00000004 r6:b6f79e00 r5:0000001f r4:0000001f
 3684 10:58:11.987298  [  125.753025] [<c05990c4>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 3685 10:58:11.987598  [  125.760602] Exception stack(0xc5c6dfa8 to 0xc5c6dff0)
 3686 10:58:12.028810  [  125.765671] dfa0:                   0000001f 0000001f 00000001 b6e32000 0000001f 00000000
 3687 10:58:12.028972  [  125.773862] dfc0: 0000001f 0000001f b6f79e00 00000004 00000001 00000000 00020000 bec20a54
 3688 10:58:12.029040  [  125.782048] dfe0: 00000004 bec20788 b6ee44cf b6e6a7e6
 3689 10:58:12.029140  [  125.787185] irq event stamp: 0
 3690 10:58:12.029202  [  125.790265] hardirqs last  enabled at (0): [<00000000>] 0x0
 3691 10:58:12.029269  [  125.795902] hardirqs last disabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 3692 10:58:12.073362  [  125.803451] softirqs last  enabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 3693 10:58:12.073877  [  125.810957] softirqs last disabled at (0): [<00000000>] 0x0
 3694 10:58:12.074248  [  125.816601] ---[ end trace cf55c2bf51e529d5 ]---
 3695 10:58:12.074578  [  125.821236] lkdtm: Overflow detected: saturated
 3696 10:58:12.171155  # [  125.480395] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW
 3697 10:58:12.171702  # [  125.488960] lkdtm: attempting bad refcount_inc_not_zero() overflow
 3698 10:58:12.172058  # [  125.498000] ------------[ cut here ]------------
 3699 10:58:12.172386  # [  125.505579] WARNING: CPU: 3 PID: 2756 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174
 3700 10:58:12.172733  # [  125.516768] refcount_t: saturated; leaking memory.
 3701 10:58:12.213977  # [  125.524443] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3
 3702 10:58:12.214547  # [  125.556140] CPU: 3 PID: 2756 Comm: cat Tainted: G      D W         5.10.155-cip21 #1
 3703 10:58:12.214905  # [  125.566677] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 3704 10:58:12.215236  # [  125.575199] Backtrace: 
 3705 10:58:12.215547  # [  125.577842] [<c137e7e8>] (dump_backtrace) from [<c137eba8>] (show_stack+0x20/0x24)
 3706 10:58:12.257107  # [  125.585425]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4
 3707 10:58:12.257677  # [  125.591104] [<c137eb88>] (show_stack) from [<c1385d24>] (dump_stack+0xe0/0x100)
 3708 10:58:12.258060  # [  125.598434] [<c1385c44>] (dump_stack) from [<c03566f0>] (__warn+0xfc/0x16c)
 3709 10:58:12.258402  # [  125.605409]  r9:00000009 r8:c086e498 r7:00000013 r6:00000009 r5:c086e498 r4:c1a24c30
 3710 10:58:12.258729  # [  125.613169] [<c03565f4>] (__warn) from [<c137fcc8>] (warn_slowpath_fmt+0x8c/0xa8)
 3711 10:58:12.259078  # [  125.620661]  r7:00000013 r6:c1a24c30 r5:c1a24c08 r4:c5c6c000
 3712 10:58:12.301125  # [  125.626343] [<c137fc40>] (warn_slowpath_fmt) from [<c086e498>] (refcount_warn_saturate+0xa0/0x174)
 3713 10:58:12.301637  # [  125.635316]  r9:c1ad0bdc r8:c15e8634 r7:c5c6df60 r6:0000001f r5:c6aaa000 r4:7fffffff
 3714 10:58:12.301966  # [  125.643081] [<c086e3f8>] (refcount_warn_saturate) from [<c138c7b4>] (__refcount_add_not_zero.constprop.0+0x64/0x78)
 3715 10:58:12.302276  # [  125.653534] [<c138c750>] (__refcount_add_not_zero.constprop.0) from [<c138c95c>] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x50/0x88)
 3716 10:58:12.302569  # [  125.665192]  r5:c6aaa000 r4:c5c6c000
 3717 10:58:12.345068  # [  125.668790] [<c138c90c>] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW) from [<c0c2f028>] (lkdtm_do_action+0x2c/0x4c)
 3718 10:58:12.345641  # [  125.678712]  r4:0000002d
 3719 10:58:12.346002  # [  125.681262] [<c0c2effc>] (lkdtm_do_action) from [<c0c2f528>] (direct_entry+0x120/0x18c)
 3720 10:58:12.346336  # [  125.689288] [<c0c2f408>] (direct_entry) from [<c07f6038>] (full_proxy_write+0x64/0x94)
 3721 10:58:12.346654  # [  125.697218]  r9:c5c6df60 r8:c513d000 r7:0000001f r6:b6e32000 r5:c5ab0c80 r4:c0c2f408
 3722 10:58:12.346963  # [  125.704980] [<c07f5fd4>] (full_proxy_write) from [<c0598ab8>] (vfs_write+0x10c/0x524)
 3723 10:58:12.389316  # [  125.712822]  r9:c07f5fd4 r8:c5c6df60 r7:c2816000 r6:b6e32000 r5:c5ab0c80 r4:00000000
 3724 10:58:12.389857  # [  125.720580] [<c05989ac>] (vfs_write) from [<c059904c>] (ksys_write+0x74/0xec)
 3725 10:58:12.390226  # [  125.727727]  r10:00000004 r9:00000000 r8:00000000 r7:b6e32000 r6:c5c6c000 r5:c5ab0c80
 3726 10:58:12.390555  # [  125.735564]  r4:c5ab0c80
 3727 10:58:12.390870  # [  125.738113] [<c0598fd8>] (ksys_write) from [<c05990dc>] (sys_write+0x18/0x1c)
 3728 10:58:12.391181  # [  125.745262]  r9:c5c6c000 r8:c03002e4 r7:00000004 r6:b6f79e00 r5:0000001f r4:0000001f
 3729 10:58:12.433321  # [  125.753025] [<c05990c4>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 3730 10:58:12.433863  # [  125.760602] Exception stack(0xc5c6dfa8 to 0xc5c6dff0)
 3731 10:58:12.434227  # [  125.765671] dfa0:                   0000001f 0000001f 00000001 b6e32000 0000001f 00000000
 3732 10:58:12.434554  # [  125.773862] dfc0: 0000001f 0000001f b6f79e00 00000004 00000001 00000000 00020000 bec20a54
 3733 10:58:12.434870  # [  125.782048] dfe0: 00000004 bec20788 b6ee44cf b6e6a7e6
 3734 10:58:12.435184  # [  125.787185] irq event stamp: 0
 3735 10:58:12.435486  # [  125.790265] hardirqs last  enabled at (0): [<00000000>] 0x0
 3736 10:58:12.476866  # [  125.795902] hardirqs last disabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 3737 10:58:12.477024  # [  125.803451] softirqs last  enabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 3738 10:58:12.477092  # [  125.810957] softirqs last disabled at (0): [<00000000>] 0x0
 3739 10:58:12.477155  # [  125.816601] ---[ e[  126.244115] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW
 3740 10:58:12.477217  nd trace cf55c2bf51e529d5 ]---
 3741 10:58:12.477277  #[  126.251740] lkdtm: attempting bad refcount_add_not_zero() overflow
 3742 10:58:12.521348   [  125.821236] lkdtm: Overflow d[  126.260764] ------------[ cut here ]------------
 3743 10:58:12.521897  etected: saturated
 3744 10:58:12.522248  # REFCOUNT_IN[  126.268324] WARNING: CPU: 3 PID: 2790 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174
 3745 10:58:12.522578  C_NOT_ZERO_OVERFLOW: missing 'cal[  126.279675] refcount_t: saturated; leaking memory.
 3746 10:58:12.522896  l trace:': [FAIL]
 3747 10:58:12.565426  not ok 44 self[  126.287217] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3
 3748 10:58:12.565990  tests: lkdtm: REFCOUNT_INC_NOT_ZE[  126.318981] CPU: 3 PID: 2790 Comm: cat Tainted: G      D W         5.10.155-cip21 #1
 3749 10:58:12.566351  RO_OVERFLOW[. s h1 2#6 .e3x2i9t4=0] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 3750 10:58:12.566679  1
 3751 10:58:12.566991  # selftests: lk[d t m1:2 6R.E337828] Backtrace: 
 3752 10:58:12.567297  COUNT_ADD_NOT_ZERO_OVERFLOW.sh
 3753 10:58:12.609416  [  126.342464] [<c137e7e8>] (dump_backtrace) from [<c137eba8>] (show_stack+0x20/0x24)
 3754 10:58:12.609964  [  126.352794]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4
 3755 10:58:12.610327  [  126.358470] [<c137eb88>] (show_stack) from [<c1385d24>] (dump_stack+0xe0/0x100)
 3756 10:58:12.610655  [  126.365794] [<c1385c44>] (dump_stack) from [<c03566f0>] (__warn+0xfc/0x16c)
 3757 10:58:12.610970  [  126.372765]  r9:00000009 r8:c086e498 r7:00000013 r6:00000009 r5:c086e498 r4:c1a24c30
 3758 10:58:12.611272  [  126.380519] [<c03565f4>] (__warn) from [<c137fcc8>] (warn_slowpath_fmt+0x8c/0xa8)
 3759 10:58:12.611569  [  126.388008]  r7:00000013 r6:c1a24c30 r5:c1a24c08 r4:c6bdc000
 3760 10:58:12.653446  [  126.393685] [<c137fc40>] (warn_slowpath_fmt) from [<c086e498>] (refcount_warn_saturate+0xa0/0x174)
 3761 10:58:12.653963  [  126.402652]  r9:c1ad0bfc r8:c15e8634 r7:c6bddf60 r6:0000001f r5:c6aa8000 r4:7fffffff
 3762 10:58:12.654293  [  126.410413] [<c086e3f8>] (refcount_warn_saturate) from [<c138c7b4>] (__refcount_add_not_zero.constprop.0+0x64/0x78)
 3763 10:58:12.654595  [  126.420861] [<c138c750>] (__refcount_add_not_zero.constprop.0) from [<c138c9e4>] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x50/0x88)
 3764 10:58:12.654880  [  126.432517]  r5:c6aa8000 r4:c6bdc000
 3765 10:58:12.697133  [  126.436110] [<c138c994>] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW) from [<c0c2f028>] (lkdtm_do_action+0x2c/0x4c)
 3766 10:58:12.697668  [  126.446028]  r4:0000002e
 3767 10:58:12.698014  [  126.448574] [<c0c2effc>] (lkdtm_do_action) from [<c0c2f528>] (direct_entry+0x120/0x18c)
 3768 10:58:12.698339  [  126.456593] [<c0c2f408>] (direct_entry) from [<c07f6038>] (full_proxy_write+0x64/0x94)
 3769 10:58:12.698654  [  126.464519]  r9:c6bddf60 r8:c513d000 r7:0000001f r6:b6ddb000 r5:c5ab0280 r4:c0c2f408
 3770 10:58:12.698958  [  126.472278] [<c07f5fd4>] (full_proxy_write) from [<c0598ab8>] (vfs_write+0x10c/0x524)
 3771 10:58:12.741445  [  126.480116]  r9:c07f5fd4 r8:c6bddf60 r7:c2816000 r6:b6ddb000 r5:c5ab0280 r4:00000000
 3772 10:58:12.741991  [  126.487868] [<c05989ac>] (vfs_write) from [<c059904c>] (ksys_write+0x74/0xec)
 3773 10:58:12.742350  [  126.495012]  r10:00000004 r9:00000000 r8:00000000 r7:b6ddb000 r6:c6bdc000 r5:c5ab0280
 3774 10:58:12.742676  [  126.502846]  r4:c5ab0280
 3775 10:58:12.742985  [  126.505389] [<c0598fd8>] (ksys_write) from [<c05990dc>] (sys_write+0x18/0x1c)
 3776 10:58:12.743291  [  126.512533]  r9:c6bdc000 r8:c03002e4 r7:00000004 r6:b6f22e00 r5:0000001f r4:0000001f
 3777 10:58:12.784861  [  126.520288] [<c05990c4>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 3778 10:58:12.785027  [  126.527863] Exception stack(0xc6bddfa8 to 0xc6bddff0)
 3779 10:58:12.785097  [  126.532923] dfa0:                   0000001f 0000001f 00000001 b6ddb000 0000001f 00000000
 3780 10:58:12.785162  [  126.541110] dfc0: 0000001f 0000001f b6f22e00 00000004 00000001 00000000 00020000 becaaa54
 3781 10:58:12.785222  [  126.549293] dfe0: 00000004 becaa788 b6e8d4cf b6e137e6
 3782 10:58:12.785281  [  126.554426] irq event stamp: 0
 3783 10:58:12.785338  [  126.557498] hardirqs last  enabled at (0): [<00000000>] 0x0
 3784 10:58:12.829359  [  126.563129] hardirqs last disabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 3785 10:58:12.829908  [  126.570639] softirqs last  enabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 3786 10:58:12.830264  [  126.578189] softirqs last disabled at (0): [<00000000>] 0x0
 3787 10:58:12.830590  [  126.583815] ---[ end trace cf55c2bf51e529d6 ]---
 3788 10:58:12.830899  [  126.588448] lkdtm: Overflow detected: saturated
 3789 10:58:12.935479  # [  126.244115] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW
 3790 10:58:12.936084  # [  126.251740] lkdtm: attempting bad refcount_add_not_zero() overflow
 3791 10:58:12.936441  # [  126.260764] ------------[ cut here ]------------
 3792 10:58:12.936821  # [  126.268324] WARNING: CPU: 3 PID: 2790 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174
 3793 10:58:12.937150  # [  126.279675] refcount_t: saturated; leaking memory.
 3794 10:58:12.978276  # [  126.287217] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3
 3795 10:58:12.978861  # [  126.318981] CPU: 3 PID: 2790 Comm: cat Tainted: G      D W         5.10.155-cip21 #1
 3796 10:58:12.979218  # [  126.329480] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 3797 10:58:12.979549  # [  126.337828] Backtrace: 
 3798 10:58:12.979860  # [  126.342464] [<c137e7e8>] (dump_backtrace) from [<c137eba8>] (show_stack+0x20/0x24)
 3799 10:58:13.021277  # [  126.352794]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4
 3800 10:58:13.021838  # [  126.358470] [<c137eb88>] (show_stack) from [<c1385d24>] (dump_stack+0xe0/0x100)
 3801 10:58:13.022190  # [  126.365794] [<c1385c44>] (dump_stack) from [<c03566f0>] (__warn+0xfc/0x16c)
 3802 10:58:13.022528  # [  126.372765]  r9:00000009 r8:c086e498 r7:00000013 r6:00000009 r5:c086e498 r4:c1a24c30
 3803 10:58:13.022872  # [  126.380519] [<c03565f4>] (__warn) from [<c137fcc8>] (warn_slowpath_fmt+0x8c/0xa8)
 3804 10:58:13.023181  # [  126.388008]  r7:00000013 r6:c1a24c30 r5:c1a24c08 r4:c6bdc000
 3805 10:58:13.065192  # [  126.393685] [<c137fc40>] (warn_slowpath_fmt) from [<c086e498>] (refcount_warn_saturate+0xa0/0x174)
 3806 10:58:13.065765  # [  126.402652]  r9:c1ad0bfc r8:c15e8634 r7:c6bddf60 r6:0000001f r5:c6aa8000 r4:7fffffff
 3807 10:58:13.066128  # [  126.410413] [<c086e3f8>] (refcount_warn_saturate) from [<c138c7b4>] (__refcount_add_not_zero.constprop.0+0x64/0x78)
 3808 10:58:13.066479  # [  126.420861] [<c138c750>] (__refcount_add_not_zero.constprop.0) from [<c138c9e4>] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x50/0x88)
 3809 10:58:13.066798  # [  126.432517]  r5:c6aa8000 r4:c6bdc000
 3810 10:58:13.109193  # [  126.436110] [<c138c994>] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW) from [<c0c2f028>] (lkdtm_do_action+0x2c/0x4c)
 3811 10:58:13.109743  # [  126.446028]  r4:0000002e
 3812 10:58:13.110098  # [  126.448574] [<c0c2effc>] (lkdtm_do_action) from [<c0c2f528>] (direct_entry+0x120/0x18c)
 3813 10:58:13.110426  # [  126.456593] [<c0c2f408>] (direct_entry) from [<c07f6038>] (full_proxy_write+0x64/0x94)
 3814 10:58:13.110741  # [  126.464519]  r9:c6bddf60 r8:c513d000 r7:0000001f r6:b6ddb000 r5:c5ab0280 r4:c0c2f408
 3815 10:58:13.111050  # [  126.472278] [<c07f5fd4>] (full_proxy_write) from [<c0598ab8>] (vfs_write+0x10c/0x524)
 3816 10:58:13.153330  # [  126.480116]  r9:c07f5fd4 r8:c6bddf60 r7:c2816000 r6:b6ddb000 r5:c5ab0280 r4:00000000
 3817 10:58:13.153877  # [  126.487868] [<c05989ac>] (vfs_write) from [<c059904c>] (ksys_write+0x74/0xec)
 3818 10:58:13.154234  # [  126.495012]  r10:00000004 r9:00000000 r8:00000000 r7:b6ddb000 r6:c6bdc000 r5:c5ab0280
 3819 10:58:13.154556  # [  126.502846]  r4:c5ab0280
 3820 10:58:13.154863  # [  126.505389] [<c0598fd8>] (ksys_write) from [<c05990dc>] (sys_write+0x18/0x1c)
 3821 10:58:13.155162  # [  126.512533]  r9:c6bdc000 r8:c03002e4 r7:00000004 r6:b6f22e00 r5:0000001f r4:0000001f
 3822 10:58:13.197110  # [  126.520288] [<c05990c4>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 3823 10:58:13.197641  # [  126.527863] Exception stack(0xc6bddfa8 to 0xc6bddff0)
 3824 10:58:13.197994  # [  126.532923] dfa0:                   0000001f 0000001f 00000001 b6ddb000 0000001f 00000000
 3825 10:58:13.198320  # [  126.541110] dfc0: 0000001f 0000001f b6f22e00 00000004 00000001 00000000 00020000 becaaa54
 3826 10:58:13.198634  # [  126.549293] dfe0: 00000004 becaa788 b6e8d4cf b6e137e6
 3827 10:58:13.198937  # [  126.554426] irq event stamp: 0
 3828 10:58:13.199231  # [  126.557498] hardirqs last  enabled at (0): [<00000000>] 0x0
 3829 10:58:13.245122  # [  126.563129] hardirqs last disabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 3830 10:58:13.245329  # [  126.570639] softirqs last  enabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 3831 10:58:13.245437  # [  126.578189] softirqs last disabled at (0): [<00000000>] 0x0
 3832 10:58:13.245535  # [  126.583815] ---[ end trace cf55c2bf51e529d6 ]---
 3833 10:58:13.245629  # [  126.588448] lkdtm: Overflow detected: saturated
 3834 10:58:13.245723  # REFCOUNT_ADD_NOT_ZERO_OVERFLOW: missing 'call trace:': [FAIL]
 3835 10:58:13.245812  not ok 45 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh # exit=1
 3836 10:58:13.289323  # selftests: lkdtm: REFCOUNT_DEC_ZERO.sh[  127.027678] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO
 3837 10:58:13.289807  
 3838 10:58:13.290150  [  127.035586] lkdtm: attempting good refcount_dec()
 3839 10:58:13.290477  [  127.040426] lkdtm: attempting bad refcount_dec() to zero
 3840 10:58:13.290792  [  127.045837] ------------[ cut here ]------------
 3841 10:58:13.291094  [  127.050493] WARNING: CPU: 0 PID: 2824 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174
 3842 10:58:13.291393  [  127.059085] refcount_t: decrement hit 0; leaking memory.
 3843 10:58:13.333441  [  127.064473] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3
 3844 10:58:13.333968  [  127.093711] CPU: 0 PID: 2824 Comm: cat Tainted: G      D W         5.10.155-cip21 #1
 3845 10:58:13.334302  [  127.101462] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 3846 10:58:13.334606  [  127.107996] Backtrace: 
 3847 10:58:13.377442  [  127.110472] [<c137e7e8>] (dump_backtrace) from [<c137eba8>] (show_stack+0x20/0x24)
 3848 10:58:13.377991  [  127.118051]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4
 3849 10:58:13.378348  [  127.123726] [<c137eb88>] (show_stack) from [<c1385d24>] (dump_stack+0xe0/0x100)
 3850 10:58:13.378676  [  127.131052] [<c1385c44>] (dump_stack) from [<c03566f0>] (__warn+0xfc/0x16c)
 3851 10:58:13.378985  [  127.138021]  r9:00000009 r8:c086e464 r7:0000001f r6:00000009 r5:c086e464 r4:c1a24c30
 3852 10:58:13.379290  [  127.145776] [<c03565f4>] (__warn) from [<c137fcc8>] (warn_slowpath_fmt+0x8c/0xa8)
 3853 10:58:13.379591  [  127.153264]  r7:0000001f r6:c1a24c30 r5:c1a24c94 r4:c5f8e000
 3854 10:58:13.421442  [  127.158940] [<c137fc40>] (warn_slowpath_fmt) from [<c086e464>] (refcount_warn_saturate+0x6c/0x174)
 3855 10:58:13.421985  [  127.167907]  r9:c1ad0c1c r8:c15e8634 r7:c5f8ff60 r6:00000012 r5:c6ac2000 r4:c5f8e000
 3856 10:58:13.422340  [  127.175666] [<c086e3f8>] (refcount_warn_saturate) from [<c138c74c>] (__refcount_dec.constprop.0+0x38/0x3c)
 3857 10:58:13.422665  [  127.185329] [<c138c714>] (__refcount_dec.constprop.0) from [<c138ca78>] (lkdtm_REFCOUNT_DEC_ZERO+0x5c/0xd8)
 3858 10:58:13.422974  [  127.195086] [<c138ca1c>] (lkdtm_REFCOUNT_DEC_ZERO) from [<c0c2f028>] (lkdtm_do_action+0x2c/0x4c)
 3859 10:58:13.465423  [  127.203877]  r4:0000002f
 3860 10:58:13.465966  [  127.206423] [<c0c2effc>] (lkdtm_do_action) from [<c0c2f528>] (direct_entry+0x120/0x18c)
 3861 10:58:13.466324  [  127.214442] [<c0c2f408>] (direct_entry) from [<c07f6038>] (full_proxy_write+0x64/0x94)
 3862 10:58:13.466650  [  127.222368]  r9:c5f8ff60 r8:c513d000 r7:00000012 r6:b6df2000 r5:c5ab12c0 r4:c0c2f408
 3863 10:58:13.466966  [  127.230125] [<c07f5fd4>] (full_proxy_write) from [<c0598ab8>] (vfs_write+0x10c/0x524)
 3864 10:58:13.467276  [  127.237964]  r9:c07f5fd4 r8:c5f8ff60 r7:c2816000 r6:b6df2000 r5:c5ab12c0 r4:00000000
 3865 10:58:13.509452  [  127.245715] [<c05989ac>] (vfs_write) from [<c059904c>] (ksys_write+0x74/0xec)
 3866 10:58:13.509999  [  127.252859]  r10:00000004 r9:00000000 r8:00000000 r7:b6df2000 r6:c5f8e000 r5:c5ab12c0
 3867 10:58:13.510354  [  127.260692]  r4:c5ab12c0
 3868 10:58:13.510673  [  127.263236] [<c0598fd8>] (ksys_write) from [<c05990dc>] (sys_write+0x18/0x1c)
 3869 10:58:13.510988  [  127.270381]  r9:c5f8e000 r8:c03002e4 r7:00000004 r6:b6f39e00 r5:00000012 r4:00000012
 3870 10:58:13.511292  [  127.278138] [<c05990c4>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 3871 10:58:13.553346  [  127.285713] Exception stack(0xc5f8ffa8 to 0xc5f8fff0)
 3872 10:58:13.553891  [  127.290774] ffa0:                   00000012 00000012 00000001 b6df2000 00000012 00000000
 3873 10:58:13.554249  [  127.298962] ffc0: 00000012 00000012 b6f39e00 00000004 00000001 00000000 00020000 befc9a54
 3874 10:58:13.554573  [  127.307145] ffe0: 00000004 befc9788 b6ea44cf b6e2a7e6
 3875 10:58:13.554886  [  127.312237] irq event stamp: 0
 3876 10:58:13.555188  [  127.315310] hardirqs last  enabled at (0): [<00000000>] 0x0
 3877 10:58:13.555486  [  127.320897] hardirqs last disabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 3878 10:58:13.597123  [  127.328460] softirqs last  enabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 3879 10:58:13.597328  [  127.336007] softirqs last disabled at (0): [<00000000>] 0x0
 3880 10:58:13.597438  [  127.341593] ---[ end trace cf55c2bf51e529d7 ]---
 3881 10:58:13.597536  [  127.346243] lkdtm: Zero detected: saturated
 3882 10:58:13.697900  # [  127.027678] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO
 3883 10:58:13.698453  # [  127.035586] lkdtm: attempting good refcount_dec()
 3884 10:58:13.698811  # [  127.040426] lkdtm: attempting bad refcount_dec() to zero
 3885 10:58:13.699156  # [  127.045837] ------------[ cut here ]------------
 3886 10:58:13.699468  # [  127.050493] WARNING: CPU: 0 PID: 2824 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174
 3887 10:58:13.699777  # [  127.059085] refcount_t: decrement hit 0; leaking memory.
 3888 10:58:13.745198  # [  127.064473] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3
 3889 10:58:13.745759  # [  127.093711] CPU: 0 PID: 2824 Comm: cat Tainted: G      D W         5.10.155-cip21 #1
 3890 10:58:13.746124  # [  127.101462] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 3891 10:58:13.746453  # [  127.107996] Backtrace: 
 3892 10:58:13.789367  # [  127.110472] [<c137e7e8>] (dump_backtrace) from [<c137eba8>] (show_stack+0x20/0x24)
 3893 10:58:13.789913  # [  127.118051]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4
 3894 10:58:13.790314  # [  127.123726] [<c137eb88>] (show_stack) from [<c1385d24>] (dump_stack+0xe0/0x100)
 3895 10:58:13.790641  # [  127.131052] [<c1385c44>] (dump_stack) from [<c03566f0>] (__warn+0xfc/0x16c)
 3896 10:58:13.790972  # [  127.138021]  r9:00000009 r8:c086e464 r7:0000001f r6:00000009 r5:c086e464 r4:c1a24c30
 3897 10:58:13.791281  # [  127.145776] [<c03565f4>] (__warn) from [<c137fcc8>] (warn_slowpath_fmt+0x8c/0xa8)
 3898 10:58:13.833222  # [  127.153264]  r7:0000001f r6:c1a24c30 r5:c1a24c94 r4:c5f8e000
 3899 10:58:13.833767  # [  127.158940] [<c137fc40>] (warn_slowpath_fmt) from [<c086e464>] (refcount_warn_saturate+0x6c/0x174)
 3900 10:58:13.834152  # [  127.167907]  r9:c1ad0c1c r8:c15e8634 r7:c5f8ff60 r6:00000012 r5:c6ac2000 r4:c5f8e000
 3901 10:58:13.834481  # [  127.175666] [<c086e3f8>] (refcount_warn_saturate) from [<c138c74c>] (__refcount_dec.constprop.0+0x38/0x3c)
 3902 10:58:13.834797  # [  127.185329] [<c138c714>] (__refcount_dec.constprop.0) from [<c138ca78>] (lkdtm_REFCOUNT_DEC_ZERO+0x5c/0xd8)
 3903 10:58:13.877215  # [  127.195086] [<c138ca1c>] (lkdtm_REFCOUNT_DEC_ZERO) from [<c0c2f028>] (lkdtm_do_action+0x2c/0x4c)
 3904 10:58:13.877769  # [  127.203877]  r4:0000002f
 3905 10:58:13.878127  # [  127.206423] [<c0c2effc>] (lkdtm_do_action) from [<c0c2f528>] (direct_entry+0x120/0x18c)
 3906 10:58:13.878456  # [  127.214442] [<c0c2f408>] (direct_entry) from [<c07f6038>] (full_proxy_write+0x64/0x94)
 3907 10:58:13.878773  # [  127.222368]  r9:c5f8ff60 r8:c513d000 r7:00000012 r6:b6df2000 r5:c5ab12c0 r4:c0c2f408
 3908 10:58:13.879075  # [  127.230125] [<c07f5fd4>] (full_proxy_write) from [<c0598ab8>] (vfs_write+0x10c/0x524)
 3909 10:58:13.921131  # [  127.237964]  r9:c07f5fd4 r8:c5f8ff60 r7:c2816000 r6:b6df2000 r5:c5ab12c0 r4:00000000
 3910 10:58:13.921680  # [  127.245715] [<c05989ac>] (vfs_write) from [<c059904c>] (ksys_write+0x74/0xec)
 3911 10:58:13.922042  # [  127.252859]  r10:00000004 r9:00000000 r8:00000000 r7:b6df2000 r6:c5f8e000 r5:c5ab12c0
 3912 10:58:13.922366  # [  127.260692]  r4:c5ab12c0
 3913 10:58:13.922689  # [  127.263236] [<c0598fd8>] (ksys_write) from [<c05990dc>] (sys_write+0x18/0x1c)
 3914 10:58:13.923004  # [  127.270381]  r9:c5f8e000 r8:c03002e4 r7:00000004 r6:b6f39e00 r5:00000012 r4:00000012
 3915 10:58:13.964953  # [  127.278138] [<c05990c4>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 3916 10:58:13.965107  # [  127.285713] Exception stack(0xc5f8ffa8 to 0xc5f8fff0)
 3917 10:58:13.965175  # [  127.290774] ffa0:                   00000012 00000012 00000001 b6df2000 00000012 00000000
 3918 10:58:13.965237  # [  127.298962] ffc0: 00000012 00000012 b6f39e00 00000004 00000001 00000000 00020000 befc9a54
 3919 10:58:13.965297  # [  127.307145] ffe0: 00000004 befc9788 b6ea44cf b6e2a7e6
 3920 10:58:13.965355  # [  127.312237] irq event stamp: 0
 3921 10:58:13.965411  # [  127.315310] hardirqs last  enabled at (0): [<00000000>] 0x0
 3922 10:58:14.008994  # [  127.320897] hardirqs last disabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 3923 10:58:14.009231  # [  127.328460] softirqs last  enabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 3924 10:58:14.009368  # [  127.336007] softirqs last disabled at (0): [<00000000>] 0x0
 3925 10:58:14.009489  # [  127.341593] ---[ end trace cf55c2bf51e529d7 ]---
 3926 10:58:14.009608  # [  127.346243] lkdtm: Zero detected: saturated
 3927 10:58:14.009721  # REFCOUNT_DEC_ZERO: missing 'call trace:': [FAIL]
 3928 10:58:14.009836  not ok 46 selftests: lkdtm: REFCOUNT_DEC_ZERO.sh # exit=1
 3929 10:58:14.009955  # selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh
 3930 10:58:14.059544  [  127.809526] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE
 3931 10:58:14.060087  [  127.815609] lkdtm: attempting bad refcount_dec() below zero
 3932 10:58:14.060439  [  127.821192] ------------[ cut here ]------------
 3933 10:58:14.060811  [  127.825873] WARNING: CPU: 1 PID: 2861 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174
 3934 10:58:14.061141  [  127.834371] refcount_t: decrement hit 0; leaking memory.
 3935 10:58:14.102753  [  127.839694] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3
 3936 10:58:14.103313  [  127.868843] CPU: 1 PID: 2861 Comm: cat Tainted: G      D W         5.10.155-cip21 #1
 3937 10:58:14.103695  [  127.876593] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 3938 10:58:14.104023  [  127.883126] Backtrace: 
 3939 10:58:14.104335  [  127.885606] [<c137e7e8>] (dump_backtrace) from [<c137eba8>] (show_stack+0x20/0x24)
 3940 10:58:14.145658  [  127.893185]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4
 3941 10:58:14.146202  [  127.898859] [<c137eb88>] (show_stack) from [<c1385d24>] (dump_stack+0xe0/0x100)
 3942 10:58:14.146558  [  127.906183] [<c1385c44>] (dump_stack) from [<c03566f0>] (__warn+0xfc/0x16c)
 3943 10:58:14.146885  [  127.913153]  r9:00000009 r8:c086e464 r7:0000001f r6:00000009 r5:c086e464 r4:c1a24c30
 3944 10:58:14.147199  [  127.920908] [<c03565f4>] (__warn) from [<c137fcc8>] (warn_slowpath_fmt+0x8c/0xa8)
 3945 10:58:14.147503  [  127.928397]  r7:0000001f r6:c1a24c30 r5:c1a24c94 r4:c696e000
 3946 10:58:14.189263  [  127.934071] [<c137fc40>] (warn_slowpath_fmt) from [<c086e464>] (refcount_warn_saturate+0x6c/0x174)
 3947 10:58:14.189806  [  127.943037]  r9:c1ad0c30 r8:c15e8634 r7:c696ff60 r6:00000016 r5:00000000 r4:c696e000
 3948 10:58:14.190160  [  127.950796] [<c086e3f8>] (refcount_warn_saturate) from [<c138c74c>] (__refcount_dec.constprop.0+0x38/0x3c)
 3949 10:58:14.190488  [  127.960463] [<c138c714>] (__refcount_dec.constprop.0) from [<c138cb3c>] (lkdtm_REFCOUNT_DEC_NEGATIVE+0x48/0x70)
 3950 10:58:14.190801  [  127.970567] [<c138caf4>] (lkdtm_REFCOUNT_DEC_NEGATIVE) from [<c0c2f028>] (lkdtm_do_action+0x2c/0x4c)
 3951 10:58:14.233194  [  127.979704]  r5:c6ca9000 r4:00000030
 3952 10:58:14.233735  [  127.983291] [<c0c2effc>] (lkdtm_do_action) from [<c0c2f528>] (direct_entry+0x120/0x18c)
 3953 10:58:14.234095  [  127.991310] [<c0c2f408>] (direct_entry) from [<c07f6038>] (full_proxy_write+0x64/0x94)
 3954 10:58:14.234421  [  127.999235]  r9:c696ff60 r8:c513d000 r7:00000016 r6:b6e8d000 r5:c5aa5040 r4:c0c2f408
 3955 10:58:14.234736  [  128.006993] [<c07f5fd4>] (full_proxy_write) from [<c0598ab8>] (vfs_write+0x10c/0x524)
 3956 10:58:14.235039  [  128.014833]  r9:c07f5fd4 r8:c696ff60 r7:c2816000 r6:b6e8d000 r5:c5aa5040 r4:00000000
 3957 10:58:14.277313  [  128.022585] [<c05989ac>] (vfs_write) from [<c059904c>] (ksys_write+0x74/0xec)
 3958 10:58:14.277856  [  128.029729]  r10:00000004 r9:00000000 r8:00000000 r7:b6e8d000 r6:c696e000 r5:c5aa5040
 3959 10:58:14.278215  [  128.037563]  r4:c5aa5040
 3960 10:58:14.278535  [  128.040106] [<c0598fd8>] (ksys_write) from [<c05990dc>] (sys_write+0x18/0x1c)
 3961 10:58:14.278847  [  128.047250]  r9:c696e000 r8:c03002e4 r7:00000004 r6:b6fd4e00 r5:00000016 r4:00000016
 3962 10:58:14.279149  [  128.055005] [<c05990c4>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 3963 10:58:14.279448  [  128.062579] Exception stack(0xc696ffa8 to 0xc696fff0)
 3964 10:58:14.320747  [  128.067641] ffa0:                   00000016 00000016 00000001 b6e8d000 00000016 00000000
 3965 10:58:14.320852  [  128.075827] ffc0: 00000016 00000016 b6fd4e00 00000004 00000001 00000000 00020000 bebf8a54
 3966 10:58:14.320937  [  128.084012] ffe0: 00000004 bebf8788 b6f3f4cf b6ec57e6
 3967 10:58:14.321003  [  128.089147] irq event stamp: 0
 3968 10:58:14.321081  [  128.092240] hardirqs last  enabled at (0): [<00000000>] 0x0
 3969 10:58:14.321192  [  128.097831] hardirqs last disabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 3970 10:58:14.365371  [  128.105395] softirqs last  enabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 3971 10:58:14.365882  [  128.112959] softirqs last disabled at (0): [<00000000>] 0x0
 3972 10:58:14.366209  [  128.118556] ---[ end trace cf55c2bf51e529d8 ]---
 3973 10:58:14.366506  [  128.123219] lkdtm: Negative detected: saturated
 3974 10:58:14.468367  # [  127.809526] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE
 3975 10:58:14.468946  # [  127.815609] lkdtm: attempting bad refcount_dec() below zero
 3976 10:58:14.469302  # [  127.821192] ------------[ cut here ]------------
 3977 10:58:14.469629  # [  127.825873] WARNING: CPU: 1 PID: 2861 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174
 3978 10:58:14.469947  # [  127.834371] refcount_t: decrement hit 0; leaking memory.
 3979 10:58:14.511383  # [  127.839694] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3
 3980 10:58:14.511943  # [  127.868843] CPU: 1 PID: 2861 Comm: cat Tainted: G      D W         5.10.155-cip21 #1
 3981 10:58:14.512297  # [  127.876593] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 3982 10:58:14.512624  # [  127.883126] Backtrace: 
 3983 10:58:14.512968  # [  127.885606] [<c137e7e8>] (dump_backtrace) from [<c137eba8>] (show_stack+0x20/0x24)
 3984 10:58:14.554200  # [  127.893185]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4
 3985 10:58:14.554761  # [  127.898859] [<c137eb88>] (show_stack) from [<c1385d24>] (dump_stack+0xe0/0x100)
 3986 10:58:14.555135  # [  127.906183] [<c1385c44>] (dump_stack) from [<c03566f0>] (__warn+0xfc/0x16c)
 3987 10:58:14.555464  # [  127.913153]  r9:00000009 r8:c086e464 r7:0000001f r6:00000009 r5:c086e464 r4:c1a24c30
 3988 10:58:14.555800  # [  127.920908] [<c03565f4>] (__warn) from [<c137fcc8>] (warn_slowpath_fmt+0x8c/0xa8)
 3989 10:58:14.556106  # [  127.928397]  r7:0000001f r6:c1a24c30 r5:c1a24c94 r4:c696e000
 3990 10:58:14.597163  # [  127.934071] [<c137fc40>] (warn_slowpath_fmt) from [<c086e464>] (refcount_warn_saturate+0x6c/0x174)
 3991 10:58:14.597710  # [  127.943037]  r9:c1ad0c30 r8:c15e8634 r7:c696ff60 r6:00000016 r5:00000000 r4:c696e000
 3992 10:58:14.598068  # [  127.950796] [<c086e3f8>] (refcount_warn_saturate) from [<c138c74c>] (__refcount_dec.constprop.0+0x38/0x3c)
 3993 10:58:14.598396  # [  127.960463] [<c138c714>] (__refcount_dec.constprop.0) from [<c138cb3c>] (lkdtm_REFCOUNT_DEC_NEGATIVE+0x48/0x70)
 3994 10:58:14.598735  # [  127.970567] [<c138caf4>] (lkdtm_REFCOUNT_DEC_NEGATIVE) from [<c0c2f028>] (lkdtm_do_action+0x2c/0x4c)
 3995 10:58:14.641168  # [  127.979704]  r5:c6ca9000 r4:00000030
 3996 10:58:14.641735  # [  127.983291] [<c0c2effc>] (lkdtm_do_action) from [<c0c2f528>] (direct_entry+0x120/0x18c)
 3997 10:58:14.642093  # [  127.991310] [<c0c2f408>] (direct_entry) from [<c07f6038>] (full_proxy_write+0x64/0x94)
 3998 10:58:14.642417  # [  127.999235]  r9:c696ff60 r8:c513d000 r7:00000016 r6:b6e8d000 r5:c5aa5040 r4:c0c2f408
 3999 10:58:14.642728  # [  128.006993] [<c07f5fd4>] (full_proxy_write) from [<c0598ab8>] (vfs_write+0x10c/0x524)
 4000 10:58:14.643034  # [  128.014833]  r9:c07f5fd4 r8:c696ff60 r7:c2816000 r6:b6e8d000 r5:c5aa5040 r4:00000000
 4001 10:58:14.685131  # [  128.022585] [<c05989ac>] (vfs_write) from [<c059904c>] (ksys_write+0x74/0xec)
 4002 10:58:14.685669  # [  128.029729]  r10:00000004 r9:00000000 r8:00000000 r7:b6e8d000 r6:c696e000 r5:c5aa5040
 4003 10:58:14.686034  # [  128.037563]  r4:c5aa5040
 4004 10:58:14.686355  # [  128.040106] [<c0598fd8>] (ksys_write) from [<c05990dc>] (sys_write+0x18/0x1c)
 4005 10:58:14.686687  # [  128.047250]  r9:c696e000 r8:c03002e4 r7:00000004 r6:b6fd4e00 r5:00000016 r4:00000016
 4006 10:58:14.686991  # [  128.055005] [<c05990c4>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 4007 10:58:14.729290  # [  128.062579] Exception stack(0xc696ffa8 to 0xc696fff0)
 4008 10:58:14.730046  # [  128.067641] ffa0:                   00000016 00000016 00000001 b6e8d000 00000016 00000000
 4009 10:58:14.730559  # [  128.075827] ffc0: 00000016 00000016 b6fd4e00 00000004 00000001 00000000 00020000 bebf8a54
 4010 10:58:14.730905  # [  128.084012] ffe0: 00000004 bebf8788 b6f3f4cf b6ec57e6
 4011 10:58:14.731226  # [  128.089147] irq event stamp: 0
 4012 10:58:14.731536  # [  128.092240] hardirqs last  enabled at (0): [<00000000>] 0x0
 4013 10:58:14.731840  # [  128.097831] hardirqs last disabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 4014 10:58:14.774477  # [  128.105395] softirqs last  enabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 4015 10:58:14.775020  # [  128.112959] softirqs last disabled at (0): [<00000000>] 0x0
 4016 10:58:14.775373  # [  128.118556] ---[ end trace cf55c2bf51e529d8 ]---
 4017 10:58:14.775703  # [  128.123219] lkdtm: Negative detected: saturated
 4018 10:58:14.776030  # REFCOUNT_DEC_NEGATIVE: saw 'Negative detected: saturated': ok
 4019 10:58:14.776345  ok 47 selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh
 4020 10:58:14.776693  # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh
 4021 10:58:14.824698  [  128.574482] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE
 4022 10:58:14.825242  [  128.581296] lkdtm: attempting bad refcount_dec_and_test() below zero
 4023 10:58:14.825597  [  128.587744] ------------[ cut here ]------------
 4024 10:58:14.825920  [  128.592477] WARNING: CPU: 3 PID: 2896 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174
 4025 10:58:14.826239  [  128.601014] refcount_t: underflow; use-after-free.
 4026 10:58:14.867836  [  128.605861] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3
 4027 10:58:14.868399  [  128.635074] CPU: 3 PID: 2896 Comm: cat Tainted: G      D W         5.10.155-cip21 #1
 4028 10:58:14.868791  [  128.642827] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 4029 10:58:14.869124  [  128.649364] Backtrace: 
 4030 10:58:14.869434  [  128.651846] [<c137e7e8>] (dump_backtrace) from [<c137eba8>] (show_stack+0x20/0x24)
 4031 10:58:14.911091  [  128.659429]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4
 4032 10:58:14.911636  [  128.665110] [<c137eb88>] (show_stack) from [<c1385d24>] (dump_stack+0xe0/0x100)
 4033 10:58:14.911989  [  128.672438] [<c1385c44>] (dump_stack) from [<c03566f0>] (__warn+0xfc/0x16c)
 4034 10:58:14.912311  [  128.679412]  r9:00000009 r8:c086e534 r7:0000001c r6:00000009 r5:c086e534 r4:c1a24c30
 4035 10:58:14.912627  [  128.687170] [<c03565f4>] (__warn) from [<c137fcc8>] (warn_slowpath_fmt+0x8c/0xa8)
 4036 10:58:14.912971  [  128.694664]  r7:0000001c r6:c1a24c30 r5:c1a24c6c r4:c5d48000
 4037 10:58:14.954195  [  128.700345] [<c137fc40>] (warn_slowpath_fmt) from [<c086e534>] (refcount_warn_saturate+0x13c/0x174)
 4038 10:58:14.954742  [  128.709403]  r9:c1ad0c48 r8:c15e8634 r7:c5d49f60 r6:0000001f r5:00000000 r4:c5d48000
 4039 10:58:14.955090  [  128.717164] [<c086e3f8>] (refcount_warn_saturate) from [<c0c30124>] (__refcount_sub_and_test.constprop.0+0x64/0x6c)
 4040 10:58:14.955412  [  128.727617] [<c0c300c0>] (__refcount_sub_and_test.constprop.0) from [<c138cbb4>] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x50/0x8c)
 4041 10:58:14.997193  [  128.739289] [<c138cb64>] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE) from [<c0c2f028>] (lkdtm_do_action+0x2c/0x4c)
 4042 10:58:14.997393  [  128.749210]  r5:c5fe6000 r4:00000031
 4043 10:58:14.997491  [  128.752802] [<c0c2effc>] (lkdtm_do_action) from [<c0c2f528>] (direct_entry+0x120/0x18c)
 4044 10:58:14.997580  [  128.760825] [<c0c2f408>] (direct_entry) from [<c07f6038>] (full_proxy_write+0x64/0x94)
 4045 10:58:14.997664  [  128.768755]  r9:c5d49f60 r8:c513d000 r7:0000001f r6:b6dc8000 r5:c59a92c0 r4:c0c2f408
 4046 10:58:14.997746  [  128.776517] [<c07f5fd4>] (full_proxy_write) from [<c0598ab8>] (vfs_write+0x10c/0x524)
 4047 10:58:15.041106  [  128.784360]  r9:c07f5fd4 r8:c5d49f60 r7:c2816000 r6:b6dc8000 r5:c59a92c0 r4:00000000
 4048 10:58:15.041546  [  128.792116] [<c05989ac>] (vfs_write) from [<c059904c>] (ksys_write+0x74/0xec)
 4049 10:58:15.041817  [  128.799265]  r10:00000004 r9:00000000 r8:00000000 r7:b6dc8000 r6:c5d48000 r5:c59a92c0
 4050 10:58:15.042061  [  128.807103]  r4:c59a92c0
 4051 10:58:15.042294  [  128.809652] [<c0598fd8>] (ksys_write) from [<c05990dc>] (sys_write+0x18/0x1c)
 4052 10:58:15.042525  [  128.816800]  r9:c5d48000 r8:c03002e4 r7:00000004 r6:b6f0fe00 r5:0000001f r4:0000001f
 4053 10:58:15.042747  [  128.824559] [<c05990c4>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 4054 10:58:15.085081  [  128.832136] Exception stack(0xc5d49fa8 to 0xc5d49ff0)
 4055 10:58:15.085634  [  128.837200] 9fa0:                   0000001f 0000001f 00000001 b6dc8000 0000001f 00000000
 4056 10:58:15.085983  [  128.845390] 9fc0: 0000001f 0000001f b6f0fe00 00000004 00000001 00000000 00020000 bec76a54
 4057 10:58:15.086356  [  128.853575] 9fe0: 00000004 bec76788 b6e7a4cf b6e007e6
 4058 10:58:15.086770  [  128.858719] irq event stamp: 0
 4059 10:58:15.087093  [  128.861832] hardirqs last  enabled at (0): [<00000000>] 0x0
 4060 10:58:15.087453  [  128.867429] hardirqs last disabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 4061 10:58:15.129352  [  128.874984] softirqs last  enabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 4062 10:58:15.129864  [  128.882532] softirqs last disabled at (0): [<00000000>] 0x0
 4063 10:58:15.130228  [  128.888128] ---[ end trace cf55c2bf51e529d9 ]---
 4064 10:58:15.130554  [  128.892817] lkdtm: Negative detected: saturated
 4065 10:58:15.238825  # [  128.574482] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE
 4066 10:58:15.239335  # [  128.581296] lkdtm: attempting bad refcount_dec_and_test() below zero
 4067 10:58:15.239661  # [  128.587744] ------------[ cut here ]------------
 4068 10:58:15.239958  # [  128.592477] WARNING: CPU: 3 PID: 2896 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174
 4069 10:58:15.240286  # [  128.601014] refcount_t: underflow; use-after-free.
 4070 10:58:15.281712  # [  128.605861] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3
 4071 10:58:15.282272  # [  128.635074] CPU: 3 PID: 2896 Comm: cat Tainted: G      D W         5.10.155-cip21 #1
 4072 10:58:15.282625  # [  128.642827] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 4073 10:58:15.282975  # [  128.649364] Backtrace: 
 4074 10:58:15.283293  # [  128.651846] [<c137e7e8>] (dump_backtrace) from [<c137eba8>] (show_stack+0x20/0x24)
 4075 10:58:15.325223  # [  128.659429]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4
 4076 10:58:15.325775  # [  128.665110] [<c137eb88>] (show_stack) from [<c1385d24>] (dump_stack+0xe0/0x100)
 4077 10:58:15.326169  # [  128.672438] [<c1385c44>] (dump_stack) from [<c03566f0>] (__warn+0xfc/0x16c)
 4078 10:58:15.326495  # [  128.679412]  r9:00000009 r8:c086e534 r7:0000001c r6:00000009 r5:c086e534 r4:c1a24c30
 4079 10:58:15.326827  # [  128.687170] [<c03565f4>] (__warn) from [<c137fcc8>] (warn_slowpath_fmt+0x8c/0xa8)
 4080 10:58:15.327132  # [  128.694664]  r7:0000001c r6:c1a24c30 r5:c1a24c6c r4:c5d48000
 4081 10:58:15.369157  # [  128.700345] [<c137fc40>] (warn_slowpath_fmt) from [<c086e534>] (refcount_warn_saturate+0x13c/0x174)
 4082 10:58:15.369674  # [  128.709403]  r9:c1ad0c48 r8:c15e8634 r7:c5d49f60 r6:0000001f r5:00000000 r4:c5d48000
 4083 10:58:15.370010  # [  128.717164] [<c086e3f8>] (refcount_warn_saturate) from [<c0c30124>] (__refcount_sub_and_test.constprop.0+0x64/0x6c)
 4084 10:58:15.370333  # [  128.727617] [<c0c300c0>] (__refcount_sub_and_test.constprop.0) from [<c138cbb4>] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x50/0x8c)
 4085 10:58:15.413314  # [  128.739289] [<c138cb64>] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE) from [<c0c2f028>] (lkdtm_do_action+0x2c/0x4c)
 4086 10:58:15.413859  # [  128.749210]  r5:c5fe6000 r4:00000031
 4087 10:58:15.414216  # [  128.752802] [<c0c2effc>] (lkdtm_do_action) from [<c0c2f528>] (direct_entry+0x120/0x18c)
 4088 10:58:15.414543  # [  128.760825] [<c0c2f408>] (direct_entry) from [<c07f6038>] (full_proxy_write+0x64/0x94)
 4089 10:58:15.414853  # [  128.768755]  r9:c5d49f60 r8:c513d000 r7:0000001f r6:b6dc8000 r5:c59a92c0 r4:c0c2f408
 4090 10:58:15.415157  # [  128.776517] [<c07f5fd4>] (full_proxy_write) from [<c0598ab8>] (vfs_write+0x10c/0x524)
 4091 10:58:15.457156  # [  128.784360]  r9:c07f5fd4 r8:c5d49f60 r7:c2816000 r6:b6dc8000 r5:c59a92c0 r4:00000000
 4092 10:58:15.457705  # [  128.792116] [<c05989ac>] (vfs_write) from [<c059904c>] (ksys_write+0x74/0xec)
 4093 10:58:15.458065  # [  128.799265]  r10:00000004 r9:00000000 r8:00000000 r7:b6dc8000 r6:c5d48000 r5:c59a92c0
 4094 10:58:15.458451  # [  128.807103]  r4:c59a92c0
 4095 10:58:15.458810  # [  128.809652] [<c0598fd8>] (ksys_write) from [<c05990dc>] (sys_write+0x18/0x1c)
 4096 10:58:15.459161  # [  128.816800]  r9:c5d48000 r8:c03002e4 r7:00000004 r6:b6f0fe00 r5:0000001f r4:0000001f
 4097 10:58:15.501296  # [  128.824559] [<c05990c4>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 4098 10:58:15.501845  # [  128.832136] Exception stack(0xc5d49fa8 to 0xc5d49ff0)
 4099 10:58:15.502205  # [  128.837200] 9fa0:                   0000001f 0000001f 00000001 b6dc8000 0000001f 00000000
 4100 10:58:15.502534  # [  128.845390] 9fc0: 0000001f 0000001f b6f0fe00 00000004 00000001 00000000 00020000 bec76a54
 4101 10:58:15.502843  # [  128.853575] 9fe0: 00000004 bec76788 b6e7a4cf b6e007e6
 4102 10:58:15.503147  # [  128.858719] irq event stamp: 0
 4103 10:58:15.503442  # [  128.861832] hardirqs last  enabled at (0): [<00000000>] 0x0
 4104 10:58:15.545097  # [  128.867429] hardirqs last disabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 4105 10:58:15.545609  # [  128.874984] softirqs last  enabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 4106 10:58:15.545934  # [  128.882532] softirqs last disabled at (0): [<00000000>] 0x0
 4107 10:58:15.546232  # [  128.888128] ---[ end trace cf55c2bf51e529d9 ]---
 4108 10:58:15.546519  # [  128.892817] lkdtm: Negative detected: saturated
 4109 10:58:15.546816  # REFCOUNT_DEC_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok
 4110 10:58:15.547094  ok 48 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh
 4111 10:58:15.547368  # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh
 4112 10:58:15.600033  [  129.345212] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE
 4113 10:58:15.600579  [  129.352102] lkdtm: attempting bad refcount_sub_and_test() below zero
 4114 10:58:15.600999  [  129.358474] ------------[ cut here ]------------
 4115 10:58:15.601328  [  129.363263] WARNING: CPU: 3 PID: 2931 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174
 4116 10:58:15.601647  [  129.371879] refcount_t: underflow; use-after-free.
 4117 10:58:15.643370  [  129.376681] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3
 4118 10:58:15.643928  [  129.405864] CPU: 3 PID: 2931 Comm: cat Tainted: G      D W         5.10.155-cip21 #1
 4119 10:58:15.644287  [  129.413614] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 4120 10:58:15.644620  [  129.420147] Backtrace: 
 4121 10:58:15.644962  [  129.422625] [<c137e7e8>] (dump_backtrace) from [<c137eba8>] (show_stack+0x20/0x24)
 4122 10:58:15.645270  [  129.430205]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4
 4123 10:58:15.686526  [  129.435879] [<c137eb88>] (show_stack) from [<c1385d24>] (dump_stack+0xe0/0x100)
 4124 10:58:15.687068  [  129.443201] [<c1385c44>] (dump_stack) from [<c03566f0>] (__warn+0xfc/0x16c)
 4125 10:58:15.687421  [  129.450172]  r9:00000009 r8:c086e534 r7:0000001c r6:00000009 r5:c086e534 r4:c1a24c30
 4126 10:58:15.687747  [  129.457927] [<c03565f4>] (__warn) from [<c137fcc8>] (warn_slowpath_fmt+0x8c/0xa8)
 4127 10:58:15.688060  [  129.465417]  r7:0000001c r6:c1a24c30 r5:c1a24c6c r4:c5f8e000
 4128 10:58:15.688365  [  129.471092] [<c137fc40>] (warn_slowpath_fmt) from [<c086e534>] (refcount_warn_saturate+0x13c/0x174)
 4129 10:58:15.729431  [  129.480146]  r9:c1ad0c68 r8:c15e8634 r7:c5f8ff60 r6:0000001f r5:c6e3c000 r4:c5f8e000
 4130 10:58:15.729928  [  129.487905] [<c086e3f8>] (refcount_warn_saturate) from [<c0c30124>] (__refcount_sub_and_test.constprop.0+0x64/0x6c)
 4131 10:58:15.730250  [  129.498354] [<c0c300c0>] (__refcount_sub_and_test.constprop.0) from [<c138cc40>] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x50/0x8c)
 4132 10:58:15.730553  [  129.510020] [<c138cbf0>] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE) from [<c0c2f028>] (lkdtm_do_action+0x2c/0x4c)
 4133 10:58:15.730880  [  129.519938]  r4:00000032
 4134 10:58:15.773088  [  129.522483] [<c0c2effc>] (lkdtm_do_action) from [<c0c2f528>] (direct_entry+0x120/0x18c)
 4135 10:58:15.773630  [  129.530501] [<c0c2f408>] (direct_entry) from [<c07f6038>] (full_proxy_write+0x64/0x94)
 4136 10:58:15.773979  [  129.538426]  r9:c5f8ff60 r8:c513d000 r7:0000001f r6:b6e20000 r5:c59a8500 r4:c0c2f408
 4137 10:58:15.774304  [  129.546183] [<c07f5fd4>] (full_proxy_write) from [<c0598ab8>] (vfs_write+0x10c/0x524)
 4138 10:58:15.774615  [  129.554023]  r9:c07f5fd4 r8:c5f8ff60 r7:c2816000 r6:b6e20000 r5:c59a8500 r4:00000000
 4139 10:58:15.817143  [  129.561774] [<c05989ac>] (vfs_write) from [<c059904c>] (ksys_write+0x74/0xec)
 4140 10:58:15.817693  [  129.568918]  r10:00000004 r9:00000000 r8:00000000 r7:b6e20000 r6:c5f8e000 r5:c59a8500
 4141 10:58:15.818056  [  129.576753]  r4:c59a8500
 4142 10:58:15.818382  [  129.579297] [<c0598fd8>] (ksys_write) from [<c05990dc>] (sys_write+0x18/0x1c)
 4143 10:58:15.818696  [  129.586442]  r9:c5f8e000 r8:c03002e4 r7:00000004 r6:b6f67e00 r5:0000001f r4:0000001f
 4144 10:58:15.818998  [  129.594198] [<c05990c4>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 4145 10:58:15.819293  [  129.601773] Exception stack(0xc5f8ffa8 to 0xc5f8fff0)
 4146 10:58:15.860802  [  129.606835] ffa0:                   0000001f 0000001f 00000001 b6e20000 0000001f 00000000
 4147 10:58:15.861014  [  129.615024] ffc0: 0000001f 0000001f b6f67e00 00000004 00000001 00000000 00020000 bedc7a54
 4148 10:58:15.861084  [  129.623207] ffe0: 00000004 bedc7788 b6ed24cf b6e587e6
 4149 10:58:15.861163  [  129.628332] irq event stamp: 0
 4150 10:58:15.861262  [  129.631404] hardirqs last  enabled at (0): [<00000000>] 0x0
 4151 10:58:15.861351  [  129.637025] hardirqs last disabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 4152 10:58:15.861432  [  129.644566] softirqs last  enabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 4153 10:58:15.905419  [  129.652142] softirqs last disabled at (0): [<00000000>] 0x0
 4154 10:58:15.905929  [  129.657733] ---[ end trace cf55c2bf51e529da ]---
 4155 10:58:15.906260  [  129.662403] lkdtm: Negative detected: saturated
 4156 10:58:16.013133  # [  129.345212] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE
 4157 10:58:16.013676  # [  129.352102] lkdtm: attempting bad refcount_sub_and_test() below zero
 4158 10:58:16.014028  # [  129.358474] ------------[ cut here ]------------
 4159 10:58:16.014355  # [  129.363263] WARNING: CPU: 3 PID: 2931 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174
 4160 10:58:16.014672  # [  129.371879] refcount_t: underflow; use-after-free.
 4161 10:58:16.057076  # [  129.376681] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3
 4162 10:58:16.057644  # [  129.405864] CPU: 3 PID: 2931 Comm: cat Tainted: G      D W         5.10.155-cip21 #1
 4163 10:58:16.058017  # [  129.413614] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 4164 10:58:16.058347  # [  129.420147] Backtrace: 
 4165 10:58:16.058661  # [  129.422625] [<c137e7e8>] (dump_backtrace) from [<c137eba8>] (show_stack+0x20/0x24)
 4166 10:58:16.101095  # [  129.430205]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4
 4167 10:58:16.101615  # [  129.435879] [<c137eb88>] (show_stack) from [<c1385d24>] (dump_stack+0xe0/0x100)
 4168 10:58:16.101980  # [  129.443201] [<c1385c44>] (dump_stack) from [<c03566f0>] (__warn+0xfc/0x16c)
 4169 10:58:16.102321  # [  129.450172]  r9:00000009 r8:c086e534 r7:0000001c r6:00000009 r5:c086e534 r4:c1a24c30
 4170 10:58:16.102641  # [  129.457927] [<c03565f4>] (__warn) from [<c137fcc8>] (warn_slowpath_fmt+0x8c/0xa8)
 4171 10:58:16.102966  # [  129.465417]  r7:0000001c r6:c1a24c30 r5:c1a24c6c r4:c5f8e000
 4172 10:58:16.145053  # [  129.471092] [<c137fc40>] (warn_slowpath_fmt) from [<c086e534>] (refcount_warn_saturate+0x13c/0x174)
 4173 10:58:16.145567  # [  129.480146]  r9:c1ad0c68 r8:c15e8634 r7:c5f8ff60 r6:0000001f r5:c6e3c000 r4:c5f8e000
 4174 10:58:16.145929  # [  129.487905] [<c086e3f8>] (refcount_warn_saturate) from [<c0c30124>] (__refcount_sub_and_test.constprop.0+0x64/0x6c)
 4175 10:58:16.146231  # [  129.498354] [<c0c300c0>] (__refcount_sub_and_test.constprop.0) from [<c138cc40>] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x50/0x8c)
 4176 10:58:16.189196  # [  129.510020] [<c138cbf0>] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE) from [<c0c2f028>] (lkdtm_do_action+0x2c/0x4c)
 4177 10:58:16.189744  # [  129.519938]  r4:00000032
 4178 10:58:16.190105  # [  129.522483] [<c0c2effc>] (lkdtm_do_action) from [<c0c2f528>] (direct_entry+0x120/0x18c)
 4179 10:58:16.190433  # [  129.530501] [<c0c2f408>] (direct_entry) from [<c07f6038>] (full_proxy_write+0x64/0x94)
 4180 10:58:16.190747  # [  129.538426]  r9:c5f8ff60 r8:c513d000 r7:0000001f r6:b6e20000 r5:c59a8500 r4:c0c2f408
 4181 10:58:16.191050  # [  129.546183] [<c07f5fd4>] (full_proxy_write) from [<c0598ab8>] (vfs_write+0x10c/0x524)
 4182 10:58:16.233321  # [  129.554023]  r9:c07f5fd4 r8:c5f8ff60 r7:c2816000 r6:b6e20000 r5:c59a8500 r4:00000000
 4183 10:58:16.233830  # [  129.561774] [<c05989ac>] (vfs_write) from [<c059904c>] (ksys_write+0x74/0xec)
 4184 10:58:16.234159  # [  129.568918]  r10:00000004 r9:00000000 r8:00000000 r7:b6e20000 r6:c5f8e000 r5:c59a8500
 4185 10:58:16.234457  # [  129.576753]  r4:c59a8500
 4186 10:58:16.234743  # [  129.579297] [<c0598fd8>] (ksys_write) from [<c05990dc>] (sys_write+0x18/0x1c)
 4187 10:58:16.235023  # [  129.586442]  r9:c5f8e000 r8:c03002e4 r7:00000004 r6:b6f67e00 r5:0000001f r4:0000001f
 4188 10:58:16.277393  # [  129.594198] [<c05990c4>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 4189 10:58:16.277942  # [  129.601773] Exception stack(0xc5f8ffa8 to 0xc5f8fff0)
 4190 10:58:16.278302  # [  129.606835] ffa0:                   0000001f 0000001f 00000001 b6e20000 0000001f 00000000
 4191 10:58:16.278631  # [  129.615024] ffc0: 0000001f 0000001f b6f67e00 00000004 00000001 00000000 00020000 bedc7a54
 4192 10:58:16.278949  # [  129.623207] ffe0: 00000004 bedc7788 b6ed24cf b6e587e6
 4193 10:58:16.279256  # [  129.628332] irq event stamp: 0
 4194 10:58:16.279555  # [  129.631404] hardirqs last  enabled at (0): [<00000000>] 0x0
 4195 10:58:16.321291  # [  129.637025] hardirqs last disabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 4196 10:58:16.321841  # [  129.644566] softirqs last  enabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 4197 10:58:16.322203  # [  129.652142] softirqs last disabled at (0): [<00000000>] 0x0
 4198 10:58:16.322530  # [  129.657733] ---[ end trace cf55c2bf51e529da ]---
 4199 10:58:16.322844  # [  129.662403] lkdtm: Negative detected: saturated
 4200 10:58:16.323150  # REFCOUNT_SUB_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok
 4201 10:58:16.323451  ok 49 selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh
 4202 10:58:16.323748  # selftests: lkdtm: REFCOUNT_INC_ZERO.sh
 4203 10:58:16.365308  [  130.105275] lkdtm: Performing direct entry REFCOUNT_INC_ZERO
 4204 10:58:16.365855  [  130.111920] lkdtm: attempting safe refcount_inc_not_zero() from zero
 4205 10:58:16.366211  [  130.118283] lkdtm: Good: zero detected
 4206 10:58:16.366534  [  130.122075] lkdtm: Correctly stayed at zero
 4207 10:58:16.366846  [  130.126269] lkdtm: attempting bad refcount_inc() from zero
 4208 10:58:16.367150  [  130.131816] ------------[ cut here ]------------
 4209 10:58:16.367445  [  130.136462] WARNING: CPU: 3 PID: 2963 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174
 4210 10:58:16.367742  [  130.145031] refcount_t: addition on 0; use-after-free.
 4211 10:58:16.409389  [  130.150178] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3
 4212 10:58:16.409955  [  130.179341] CPU: 3 PID: 2963 Comm: cat Tainted: G      D W         5.10.155-cip21 #1
 4213 10:58:16.410316  [  130.187092] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 4214 10:58:16.453399  [  130.193623] Backtrace: 
 4215 10:58:16.453944  [  130.196099] [<c137e7e8>] (dump_backtrace) from [<c137eba8>] (show_stack+0x20/0x24)
 4216 10:58:16.454304  [  130.203679]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4
 4217 10:58:16.454627  [  130.209353] [<c137eb88>] (show_stack) from [<c1385d24>] (dump_stack+0xe0/0x100)
 4218 10:58:16.454936  [  130.216679] [<c1385c44>] (dump_stack) from [<c03566f0>] (__warn+0xfc/0x16c)
 4219 10:58:16.455238  [  130.223651]  r9:00000009 r8:c086e500 r7:00000019 r6:00000009 r5:c086e500 r4:c1a24c30
 4220 10:58:16.497373  [  130.231402] [<c03565f4>] (__warn) from [<c137fcc8>] (warn_slowpath_fmt+0x8c/0xa8)
 4221 10:58:16.497920  [  130.238891]  r7:00000019 r6:c1a24c30 r5:c1a24c40 r4:c6bb8000
 4222 10:58:16.498278  [  130.244565] [<c137fc40>] (warn_slowpath_fmt) from [<c086e500>] (refcount_warn_saturate+0x108/0x174)
 4223 10:58:16.498608  [  130.253618]  r9:c1ad0c88 r8:c15e8634 r7:c6bb9f60 r6:00000012 r5:00000000 r4:c6bb8000
 4224 10:58:16.498921  [  130.261377] [<c086e3f8>] (refcount_warn_saturate) from [<c0c300bc>] (__refcount_add.constprop.0+0x54/0x58)
 4225 10:58:16.499227  [  130.271046] [<c0c30068>] (__refcount_add.constprop.0) from [<c138cd24>] (lkdtm_REFCOUNT_INC_ZERO+0xa8/0xcc)
 4226 10:58:16.541398  [  130.280801] [<c138cc7c>] (lkdtm_REFCOUNT_INC_ZERO) from [<c0c2f028>] (lkdtm_do_action+0x2c/0x4c)
 4227 10:58:16.541944  [  130.289593]  r5:c6e47000 r4:00000033
 4228 10:58:16.542304  [  130.293180] [<c0c2effc>] (lkdtm_do_action) from [<c0c2f528>] (direct_entry+0x120/0x18c)
 4229 10:58:16.542634  [  130.301199] [<c0c2f408>] (direct_entry) from [<c07f6038>] (full_proxy_write+0x64/0x94)
 4230 10:58:16.542946  [  130.309124]  r9:c6bb9f60 r8:c513d000 r7:00000012 r6:b6e69000 r5:c6b1cc80 r4:c0c2f408
 4231 10:58:16.543252  [  130.316881] [<c07f5fd4>] (full_proxy_write) from [<c0598ab8>] (vfs_write+0x10c/0x524)
 4232 10:58:16.585396  [  130.324720]  r9:c07f5fd4 r8:c6bb9f60 r7:c2816000 r6:b6e69000 r5:c6b1cc80 r4:00000000
 4233 10:58:16.585942  [  130.332473] [<c05989ac>] (vfs_write) from [<c059904c>] (ksys_write+0x74/0xec)
 4234 10:58:16.586301  [  130.339616]  r10:00000004 r9:00000000 r8:00000000 r7:b6e69000 r6:c6bb8000 r5:c6b1cc80
 4235 10:58:16.586625  [  130.347451]  r4:c6b1cc80
 4236 10:58:16.586932  [  130.349995] [<c0598fd8>] (ksys_write) from [<c05990dc>] (sys_write+0x18/0x1c)
 4237 10:58:16.587232  [  130.357138]  r9:c6bb8000 r8:c03002e4 r7:00000004 r6:b6fb0e00 r5:00000012 r4:00000012
 4238 10:58:16.628836  [  130.364894] [<c05990c4>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 4239 10:58:16.629022  [  130.372469] Exception stack(0xc6bb9fa8 to 0xc6bb9ff0)
 4240 10:58:16.629090  [  130.377532] 9fa0:                   00000012 00000012 00000001 b6e69000 00000012 00000000
 4241 10:58:16.629156  [  130.385720] 9fc0: 00000012 00000012 b6fb0e00 00000004 00000001 00000000 00020000 beb48a54
 4242 10:58:16.629272  [  130.393903] 9fe0: 00000004 beb48788 b6f1b4cf b6ea17e6
 4243 10:58:16.629357  [  130.399034] irq event stamp: 0
 4244 10:58:16.629426  [  130.402136] hardirqs last  enabled at (0): [<00000000>] 0x0
 4245 10:58:16.673330  [  130.407725] hardirqs last disabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 4246 10:58:16.673842  [  130.415291] softirqs last  enabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 4247 10:58:16.674174  [  130.422834] softirqs last disabled at (0): [<00000000>] 0x0
 4248 10:58:16.674475  [  130.428428] ---[ end trace cf55c2bf51e529db ]---
 4249 10:58:16.674763  [  130.433113] lkdtm: Zero detected: saturated
 4250 10:58:16.779752  # [  130.105275] lkdtm: Performing direct entry REFCOUNT_INC_ZERO
 4251 10:58:16.780294  # [  130.111920] lkdtm: attempting safe refcount_inc_not_zero() from zero
 4252 10:58:16.780649  # [  130.118283] lkdtm: Good: zero detected
 4253 10:58:16.781005  # [  130.122075] lkdtm: Correctly stayed at zero
 4254 10:58:16.781319  # [  130.126269] lkdtm: attempting bad refcount_inc() from zero
 4255 10:58:16.781624  # [  130.131816] ------------[ cut here ]------------
 4256 10:58:16.781922  # [  130.136462] WARNING: CPU: 3 PID: 2963 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174
 4257 10:58:16.822813  # [  130.145031] refcount_t: addition on 0; use-after-free.
 4258 10:58:16.823323  # [  130.150178] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3
 4259 10:58:16.823663  # [  130.179341] CPU: 3 PID: 2963 Comm: cat Tainted: G      D W         5.10.155-cip21 #1
 4260 10:58:16.865588  # [  130.187092] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 4261 10:58:16.866132  # [  130.193623] Backtrace: 
 4262 10:58:16.866504  # [  130.196099] [<c137e7e8>] (dump_backtrace) from [<c137eba8>] (show_stack+0x20/0x24)
 4263 10:58:16.866830  # [  130.203679]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4
 4264 10:58:16.867141  # [  130.209353] [<c137eb88>] (show_stack) from [<c1385d24>] (dump_stack+0xe0/0x100)
 4265 10:58:16.867446  # [  130.216679] [<c1385c44>] (dump_stack) from [<c03566f0>] (__warn+0xfc/0x16c)
 4266 10:58:16.867743  # [  130.223651]  r9:00000009 r8:c086e500 r7:00000019 r6:00000009 r5:c086e500 r4:c1a24c30
 4267 10:58:16.909141  # [  130.231402] [<c03565f4>] (__warn) from [<c137fcc8>] (warn_slowpath_fmt+0x8c/0xa8)
 4268 10:58:16.909652  # [  130.238891]  r7:00000019 r6:c1a24c30 r5:c1a24c40 r4:c6bb8000
 4269 10:58:16.909986  # [  130.244565] [<c137fc40>] (warn_slowpath_fmt) from [<c086e500>] (refcount_warn_saturate+0x108/0x174)
 4270 10:58:16.910288  # [  130.253618]  r9:c1ad0c88 r8:c15e8634 r7:c6bb9f60 r6:00000012 r5:00000000 r4:c6bb8000
 4271 10:58:16.910598  # [  130.261377] [<c086e3f8>] (refcount_warn_saturate) from [<c0c300bc>] (__refcount_add.constprop.0+0x54/0x58)
 4272 10:58:16.953210  # [  130.271046] [<c0c30068>] (__refcount_add.constprop.0) from [<c138cd24>] (lkdtm_REFCOUNT_INC_ZERO+0xa8/0xcc)
 4273 10:58:16.953781  # [  130.280801] [<c138cc7c>] (lkdtm_REFCOUNT_INC_ZERO) from [<c0c2f028>] (lkdtm_do_action+0x2c/0x4c)
 4274 10:58:16.954151  # [  130.289593]  r5:c6e47000 r4:00000033
 4275 10:58:16.954481  # [  130.293180] [<c0c2effc>] (lkdtm_do_action) from [<c0c2f528>] (direct_entry+0x120/0x18c)
 4276 10:58:16.954814  # [  130.301199] [<c0c2f408>] (direct_entry) from [<c07f6038>] (full_proxy_write+0x64/0x94)
 4277 10:58:16.955115  # [  130.309124]  r9:c6bb9f60 r8:c513d000 r7:00000012 r6:b6e69000 r5:c6b1cc80 r4:c0c2f408
 4278 10:58:16.997116  # [  130.316881] [<c07f5fd4>] (full_proxy_write) from [<c0598ab8>] (vfs_write+0x10c/0x524)
 4279 10:58:16.997334  # [  130.324720]  r9:c07f5fd4 r8:c6bb9f60 r7:c2816000 r6:b6e69000 r5:c6b1cc80 r4:00000000
 4280 10:58:16.997456  # [  130.332473] [<c05989ac>] (vfs_write) from [<c059904c>] (ksys_write+0x74/0xec)
 4281 10:58:16.997566  # [  130.339616]  r10:00000004 r9:00000000 r8:00000000 r7:b6e69000 r6:c6bb8000 r5:c6b1cc80
 4282 10:58:16.997668  # [  130.347451]  r4:c6b1cc80
 4283 10:58:16.997769  # [  130.349995] [<c0598fd8>] (ksys_write) from [<c05990dc>] (sys_write+0x18/0x1c)
 4284 10:58:17.041319  # [  130.357138]  r9:c6bb8000 r8:c03002e4 r7:00000004 r6:b6fb0e00 r5:00000012 r4:00000012
 4285 10:58:17.041865  # [  130.364894] [<c05990c4>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 4286 10:58:17.042224  # [  130.372469] Exception stack(0xc6bb9fa8 to 0xc6bb9ff0)
 4287 10:58:17.042551  # [  130.377532] 9fa0:                   00000012 00000012 00000001 b6e69000 00000012 00000000
 4288 10:58:17.042864  # [  130.385720] 9fc0: 00000012 00000012 b6fb0e00 00000004 00000001 00000000 00020000 beb48a54
 4289 10:58:17.043169  # [  130.393903] 9fe0: 00000004 beb48788 b6f1b4cf b6ea17e6
 4290 10:58:17.043465  # [  130.399034] irq event stamp: 0
 4291 10:58:17.085158  # [  130.402136] hardirqs last  enabled at (0): [<00000000>] 0x0
 4292 10:58:17.085706  # [  130.407725] hardirqs last disabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 4293 10:58:17.086067  # [  130.415291] softirqs last  enabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 4294 10:58:17.086392  # [  130.422834] softirqs last disabled at (0): [<00000000>] 0x0
 4295 10:58:17.086703  # [  130.428428] ---[ end trace cf55c2bf51e529db ]---
 4296 10:58:17.087006  # [  130.433113] lkdtm: Zero detected: saturated
 4297 10:58:17.087303  # REFCOUNT_INC_ZERO: missing 'call trace:': [FAIL]
 4298 10:58:17.129304  not ok 50 selftests: lkdtm: REFCOUNT_INC_ZERO.sh # exit=1
 4299 10:58:17.129850  # selftests: lkdtm: REFCOUNT_ADD_ZERO.sh
 4300 10:58:17.130200  [  130.881144] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO
 4301 10:58:17.130523  [  130.886948] lkdtm: attempting safe refcount_add_not_zero() from zero
 4302 10:58:17.130836  [  130.893476] lkdtm: Good: zero detected
 4303 10:58:17.131138  [  130.897260] lkdtm: Correctly stayed at zero
 4304 10:58:17.131431  [  130.901472] lkdtm: attempting bad refcount_add() from zero
 4305 10:58:17.131721  [  130.907027] ------------[ cut here ]------------
 4306 10:58:17.173320  [  130.911707] WARNING: CPU: 2 PID: 2997 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174
 4307 10:58:17.173867  [  130.920241] refcount_t: addition on 0; use-after-free.
 4308 10:58:17.174225  [  130.925422] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3
 4309 10:58:17.174569  [  130.954564] CPU: 2 PID: 2997 Comm: cat Tainted: G      D W         5.10.155-cip21 #1
 4310 10:58:17.217092  [  130.962314] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 4311 10:58:17.217600  [  130.968845] Backtrace: 
 4312 10:58:17.217915  [  130.971321] [<c137e7e8>] (dump_backtrace) from [<c137eba8>] (show_stack+0x20/0x24)
 4313 10:58:17.218211  [  130.978902]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4
 4314 10:58:17.218495  [  130.984574] [<c137eb88>] (show_stack) from [<c1385d24>] (dump_stack+0xe0/0x100)
 4315 10:58:17.218773  [  130.991898] [<c1385c44>] (dump_stack) from [<c03566f0>] (__warn+0xfc/0x16c)
 4316 10:58:17.261262  [  130.998869]  r9:00000009 r8:c086e500 r7:00000019 r6:00000009 r5:c086e500 r4:c1a24c30
 4317 10:58:17.261809  [  131.006623] [<c03565f4>] (__warn) from [<c137fcc8>] (warn_slowpath_fmt+0x8c/0xa8)
 4318 10:58:17.262169  [  131.014113]  r7:00000019 r6:c1a24c30 r5:c1a24c40 r4:c6a28000
 4319 10:58:17.262493  [  131.019787] [<c137fc40>] (warn_slowpath_fmt) from [<c086e500>] (refcount_warn_saturate+0x108/0x174)
 4320 10:58:17.262803  [  131.028840]  r9:c1ad0c9c r8:c15e8634 r7:c6a29f60 r6:00000012 r5:00000000 r4:c6a28000
 4321 10:58:17.263105  [  131.036597] [<c086e3f8>] (refcount_warn_saturate) from [<c0c300bc>] (__refcount_add.constprop.0+0x54/0x58)
 4322 10:58:17.305404  [  131.046264] [<c0c30068>] (__refcount_add.constprop.0) from [<c138cdf0>] (lkdtm_REFCOUNT_ADD_ZERO+0xa8/0xcc)
 4323 10:58:17.305947  [  131.056022] [<c138cd48>] (lkdtm_REFCOUNT_ADD_ZERO) from [<c0c2f028>] (lkdtm_do_action+0x2c/0x4c)
 4324 10:58:17.306306  [  131.064811]  r5:c6e4c000 r4:00000034
 4325 10:58:17.306630  [  131.068401] [<c0c2effc>] (lkdtm_do_action) from [<c0c2f528>] (direct_entry+0x120/0x18c)
 4326 10:58:17.306941  [  131.076420] [<c0c2f408>] (direct_entry) from [<c07f6038>] (full_proxy_write+0x64/0x94)
 4327 10:58:17.307246  [  131.084344]  r9:c6a29f60 r8:c513d000 r7:00000012 r6:b6e67000 r5:c6a13180 r4:c0c2f408
 4328 10:58:17.349405  
 4329 10:58:17.349949  [  131.092102] [<c07f5fd4>] (full_proxy_write) from [<c0598ab8>] (vfs_write+0x10c/0x524)
 4330 10:58:17.350309  [  131.099940]  r9:c07f5fd4 r8:c6a29f60 r7:c2816000 r6:b6e67000 r5:c6a13180 r4:00000000
 4331 10:58:17.350640  [  131.107692] [<c05989ac>] (vfs_write) from [<c059904c>] (ksys_write+0x74/0xec)
 4332 10:58:17.350954  [  131.114837]  r10:00000004 r9:00000000 r8:00000000 r7:b6e67000 r6:c6a28000 r5:c6a13180
 4333 10:58:17.351261  [  131.122672]  r4:c6a13180
 4334 10:58:17.351557  [  131.125217] [<c0598fd8>] (ksys_write) from [<c05990dc>] (sys_write+0x18/0x1c)
 4335 10:58:17.393172  [  131.132362]  r9:c6a28000 r8:c03002e4 r7:00000004 r6:b6faee00 r5:00000012 r4:00000012
 4336 10:58:17.393804  [  131.140116] [<c05990c4>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 4337 10:58:17.394207  [  131.147690] Exception stack(0xc6a29fa8 to 0xc6a29ff0)
 4338 10:58:17.394537  [  131.152752] 9fa0:                   00000012 00000012 00000001 b6e67000 00000012 00000000
 4339 10:58:17.394866  [  131.160939] 9fc0: 00000012 00000012 b6faee00 00000004 00000001 00000000 00020000 bef14a54
 4340 10:58:17.395204  [  131.169124] 9fe0: 00000004 bef14788 b6f194cf b6e9f7e6
 4341 10:58:17.395559  [  131.174255] irq event stamp: 0
 4342 10:58:17.437332  [  131.177327] hardirqs last  enabled at (0): [<00000000>] 0x0
 4343 10:58:17.437840  [  131.182940] hardirqs last disabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 4344 10:58:17.438204  [  131.190466] softirqs last  enabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 4345 10:58:17.438531  [  131.198033] softirqs last disabled at (0): [<00000000>] 0x0
 4346 10:58:17.438841  [  131.203652] ---[ end trace cf55c2bf51e529dc ]---
 4347 10:58:17.439142  [  131.208287] lkdtm: Zero detected: saturated
 4348 10:58:17.556893  # [  130.881144] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO
 4349 10:58:17.557436  # [  130.886948] lkdtm: attempting safe refcount_add_not_zero() from zero
 4350 10:58:17.557791  # [  130.893476] lkdtm: Good: zero detected
 4351 10:58:17.558117  # [  130.897260] lkdtm: Correctly stayed at zero
 4352 10:58:17.558425  # [  130.901472] lkdtm: attempting bad refcount_add() from zero
 4353 10:58:17.558728  # [  130.907027] ------------[ cut here ]------------
 4354 10:58:17.559025  # [  130.911707] WARNING: CPU: 2 PID: 2997 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174
 4355 10:58:17.600016  # [  130.920241] refcount_t: addition on 0; use-after-free.
 4356 10:58:17.600585  # [  130.925422] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3
 4357 10:58:17.601000  # [  130.954564] CPU: 2 PID: 2997 Comm: cat Tainted: G      D W         5.10.155-cip21 #1
 4358 10:58:17.642803  # [  130.962314] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 4359 10:58:17.643349  # [  130.968845] Backtrace: 
 4360 10:58:17.643697  # [  130.971321] [<c137e7e8>] (dump_backtrace) from [<c137eba8>] (show_stack+0x20/0x24)
 4361 10:58:17.644040  # [  130.978902]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4
 4362 10:58:17.644351  # [  130.984574] [<c137eb88>] (show_stack) from [<c1385d24>] (dump_stack+0xe0/0x100)
 4363 10:58:17.644678  # [  130.991898] [<c1385c44>] (dump_stack) from [<c03566f0>] (__warn+0xfc/0x16c)
 4364 10:58:17.644984  # [  130.998869]  r9:00000009 r8:c086e500 r7:00000019 r6:00000009 r5:c086e500 r4:c1a24c30
 4365 10:58:17.685998  # [  131.006623] [<c03565f4>] (__warn) from [<c137fcc8>] (warn_slowpath_fmt+0x8c/0xa8)
 4366 10:58:17.686541  # [  131.014113]  r7:00000019 r6:c1a24c30 r5:c1a24c40 r4:c6a28000
 4367 10:58:17.686887  # [  131.019787] [<c137fc40>] (warn_slowpath_fmt) from [<c086e500>] (refcount_warn_saturate+0x108/0x174)
 4368 10:58:17.687211  # [  131.028840]  r9:c1ad0c9c r8:c15e8634 r7:c6a29f60 r6:00000012 r5:00000000 r4:c6a28000
 4369 10:58:17.687519  # [  131.036597] [<c086e3f8>] (refcount_warn_saturate) from [<c0c300bc>] (__refcount_add.constprop.0+0x54/0x58)
 4370 10:58:17.729069  # [  131.046264] [<c0c30068>] (__refcount_add.constprop.0) from [<c138cdf0>] (lkdtm_REFCOUNT_ADD_ZERO+0xa8/0xcc)
 4371 10:58:17.729578  # [  131.056022] [<c138cd48>] (lkdtm_REFCOUNT_ADD_ZERO) from [<c0c2f028>] (lkdtm_do_action+0x2c/0x4c)
 4372 10:58:17.729920  # [  131.064811]  r5:c6e4c000 r4:00000034
 4373 10:58:17.730244  # [  131.068401] [<c0c2effc>] (lkdtm_do_action) from [<c0c2f528>] (direct_entry+0x120/0x18c)
 4374 10:58:17.730557  # [  131.076420] [<c0c2f408>] (direct_entry) from [<c07f6038>] (full_proxy_write+0x64/0x94)
 4375 10:58:17.730859  # [  131.084344]  r9:c6a29f60 r8:c513d000 r7:00000012 r6:b6e67000 r5:c6a13180 r4:c0c2f408
 4376 10:58:17.773148  # [  131.092102] [<c07f5fd4>] (full_proxy_write) from [<c0598ab8>] (vfs_write+0x10c/0x524)
 4377 10:58:17.773716  # [  131.099940]  r9:c07f5fd4 r8:c6a29f60 r7:c2816000 r6:b6e67000 r5:c6a13180 r4:00000000
 4378 10:58:17.774064  # [  131.107692] [<c05989ac>] (vfs_write) from [<c059904c>] (ksys_write+0x74/0xec)
 4379 10:58:17.774386  # [  131.114837]  r10:00000004 r9:00000000 r8:00000000 r7:b6e67000 r6:c6a28000 r5:c6a13180
 4380 10:58:17.774694  # [  131.122672]  r4:c6a13180
 4381 10:58:17.774989  # [  131.125217] [<c0598fd8>] (ksys_write) from [<c05990dc>] (sys_write+0x18/0x1c)
 4382 10:58:17.817284  # [  131.132362]  r9:c6a28000 r8:c03002e4 r7:00000004 r6:b6faee00 r5:00000012 r4:00000012
 4383 10:58:17.817792  # [  131.140116] [<c05990c4>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 4384 10:58:17.818119  # [  131.147690] Exception stack(0xc6a29fa8 to 0xc6a29ff0)
 4385 10:58:17.818415  # [  131.152752] 9fa0:                   00000012 00000012 00000001 b6e67000 00000012 00000000
 4386 10:58:17.818703  # [  131.160939] 9fc0: 00000012 00000012 b6faee00 00000004 00000001 00000000 00020000 bef14a54
 4387 10:58:17.818982  # [  131.169124] 9fe0: 00000004 bef14788 b6f194cf b6e9f7e6
 4388 10:58:17.819250  # [  131.174255] irq event stamp: 0
 4389 10:58:17.861316  # [  131.177327] hardirqs last  enabled at (0): [<00000000>] 0x0
 4390 10:58:17.861822  # [  131.182940] hardirqs last disabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 4391 10:58:17.862176  # [  131.190466] softirqs last  enabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 4392 10:58:17.862501  # [  131.198033] softirqs last disabled at (0): [<00000000>] 0x0
 4393 10:58:17.862814  # [  131.203652] ---[ end trace cf55c2bf51e529dc ]---
 4394 10:58:17.863118  # [  131.208287] lkdtm: Zero detected: saturated
 4395 10:58:17.863415  # REFCOUNT_ADD_ZERO: missing 'call trace:': [FAIL]
 4396 10:58:17.905336  not ok 51 selftests: lkdtm: REFCOUNT_ADD_ZERO.sh # exit=1
 4397 10:58:17.905849  # selftests: lkdtm: REFCOUNT_INC_SATURATED.sh
 4398 10:58:17.928699  [  131.678530] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED
 4399 10:58:17.929207  [  131.684709] lkdtm: attempting bad refcount_inc() from saturated
 4400 10:58:17.929528  [  131.690644] ------------[ cut here ]------------
 4401 10:58:17.929825  [  131.695490] WARNING: CPU: 1 PID: 3034 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174
 4402 10:58:17.930114  [  131.704008] refcount_t: saturated; leaking memory.
 4403 10:58:17.971947  [  131.708810] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3
 4404 10:58:17.972504  [  131.737973] CPU: 1 PID: 3034 Comm: cat Tainted: G      D W         5.10.155-cip21 #1
 4405 10:58:17.972886  [  131.745723] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 4406 10:58:17.973214  [  131.752256] Backtrace: 
 4407 10:58:17.973524  [  131.754734] [<c137e7e8>] (dump_backtrace) from [<c137eba8>] (show_stack+0x20/0x24)
 4408 10:58:18.015099  [  131.762315]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4
 4409 10:58:18.015645  [  131.767988] [<c137eb88>] (show_stack) from [<c1385d24>] (dump_stack+0xe0/0x100)
 4410 10:58:18.015997  [  131.775313] [<c1385c44>] (dump_stack) from [<c03566f0>] (__warn+0xfc/0x16c)
 4411 10:58:18.016320  [  131.782284]  r9:00000009 r8:c086e4cc r7:00000016 r6:00000009 r5:c086e4cc r4:c1a24c30
 4412 10:58:18.016632  [  131.790039] [<c03565f4>] (__warn) from [<c137fcc8>] (warn_slowpath_fmt+0x8c/0xa8)
 4413 10:58:18.016971  [  131.797528]  r7:00000016 r6:c1a24c30 r5:c1a24c08 r4:c6978000
 4414 10:58:18.058265  [  131.803204] [<c137fc40>] (warn_slowpath_fmt) from [<c086e4cc>] (refcount_warn_saturate+0xd4/0x174)
 4415 10:58:18.058808  [  131.812171]  r9:c1ad0cb0 r8:c15e8634 r7:c6979f60 r6:00000017 r5:c6ca9000 r4:c6978000
 4416 10:58:18.059158  [  131.819929] [<c086e3f8>] (refcount_warn_saturate) from [<c0c300ac>] (__refcount_add.constprop.0+0x44/0x58)
 4417 10:58:18.059488  [  131.829598] [<c0c30068>] (__refcount_add.constprop.0) from [<c138ce60>] (lkdtm_REFCOUNT_INC_SATURATED+0x4c/0x70)
 4418 10:58:18.059803  [  131.839788] [<c138ce14>] (lkdtm_REFCOUNT_INC_SATURATED) from [<c0c2f028>] (lkdtm_do_action+0x2c/0x4c)
 4419 10:58:18.060110  [  131.849012]  r4:00000035
 4420 10:58:18.101608  [  131.851558] [<c0c2effc>] (lkdtm_do_action) from [<c0c2f528>] (direct_entry+0x120/0x18c)
 4421 10:58:18.102153  [  131.859577] [<c0c2f408>] (direct_entry) from [<c07f6038>] (full_proxy_write+0x64/0x94)
 4422 10:58:18.102505  [  131.867502]  r9:c6979f60 r8:c513d000 r7:00000017 r6:b6dc1000 r5:c6a12280 r4:c0c2f408
 4423 10:58:18.102831  [  131.875260] [<c07f5fd4>] (full_proxy_write) from [<c0598ab8>] (vfs_write+0x10c/0x524)
 4424 10:58:18.103139  [  131.883101]  r9:c07f5fd4 r8:c6979f60 r7:c2816000 r6:b6dc1000 r5:c6a12280 r4:00000000
 4425 10:58:18.145093  [  131.890853] [<c05989ac>] (vfs_write) from [<c059904c>] (ksys_write+0x74/0xec)
 4426 10:58:18.145636  [  131.897996]  r10:00000004 r9:00000000 r8:00000000 r7:b6dc1000 r6:c6978000 r5:c6a12280
 4427 10:58:18.145986  [  131.905828]  r4:c6a12280
 4428 10:58:18.146308  [  131.908371] [<c0598fd8>] (ksys_write) from [<c05990dc>] (sys_write+0x18/0x1c)
 4429 10:58:18.146620  [  131.915514]  r9:c6978000 r8:c03002e4 r7:00000004 r6:b6f08e00 r5:00000017 r4:00000017
 4430 10:58:18.146927  [  131.923270] [<c05990c4>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 4431 10:58:18.147222  [  131.930845] Exception stack(0xc6979fa8 to 0xc6979ff0)
 4432 10:58:18.188838  [  131.935906] 9fa0:                   00000017 00000017 00000001 b6dc1000 00000017 00000000
 4433 10:58:18.188927  [  131.944093] 9fc0: 00000017 00000017 b6f08e00 00000004 00000001 00000000 00020000 bea09a54
 4434 10:58:18.188996  [  131.952277] 9fe0: 00000004 bea09788 b6e734cf b6df97e6
 4435 10:58:18.189059  [  131.957383] irq event stamp: 0
 4436 10:58:18.189118  [  131.960457] hardirqs last  enabled at (0): [<00000000>] 0x0
 4437 10:58:18.189194  [  131.966071] hardirqs last disabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 4438 10:58:18.189268  [  131.973612] softirqs last  enabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 4439 10:58:18.233191  [  131.981134] softirqs last disabled at (0): [<00000000>] 0x0
 4440 10:58:18.233696  [  131.986758] ---[ end trace cf55c2bf51e529dd ]---
 4441 10:58:18.234020  [  131.991393] lkdtm: Saturation detected: still saturated
 4442 10:58:18.352936  # [  131.678530] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED
 4443 10:58:18.353476  # [  131.684709] lkdtm: attempting bad refcount_inc() from saturated
 4444 10:58:18.353825  # [  131.690644] ------------[ cut here ]------------
 4445 10:58:18.354148  # [  131.695490] WARNING: CPU: 1 PID: 3034 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174
 4446 10:58:18.354463  # [  131.704008] refcount_t: saturated; leaking memory.
 4447 10:58:18.395897  # [  131.708810] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3
 4448 10:58:18.396456  # [  131.737973] CPU: 1 PID: 3034 Comm: cat Tainted: G      D W         5.10.155-cip21 #1
 4449 10:58:18.396836  # [  131.745723] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 4450 10:58:18.397164  # [  131.752256] Backtrace: 
 4451 10:58:18.397474  # [  131.754734] [<c137e7e8>] (dump_backtrace) from [<c137eba8>] (show_stack+0x20/0x24)
 4452 10:58:18.397779  # [  131.762315]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4
 4453 10:58:18.438803  # [  131.767988] [<c137eb88>] (show_stack) from [<c1385d24>] (dump_stack+0xe0/0x100)
 4454 10:58:18.439350  # [  131.775313] [<c1385c44>] (dump_stack) from [<c03566f0>] (__warn+0xfc/0x16c)
 4455 10:58:18.439704  # [  131.782284]  r9:00000009 r8:c086e4cc r7:00000016 r6:00000009 r5:c086e4cc r4:c1a24c30
 4456 10:58:18.440058  # [  131.790039] [<c03565f4>] (__warn) from [<c137fcc8>] (warn_slowpath_fmt+0x8c/0xa8)
 4457 10:58:18.440420  # [  131.797528]  r7:00000016 r6:c1a24c30 r5:c1a24c08 r4:c6978000
 4458 10:58:18.481954  # [  131.803204] [<c137fc40>] (warn_slowpath_fmt) from [<c086e4cc>] (refcount_warn_saturate+0xd4/0x174)
 4459 10:58:18.482467  # [  131.812171]  r9:c1ad0cb0 r8:c15e8634 r7:c6979f60 r6:00000017 r5:c6ca9000 r4:c6978000
 4460 10:58:18.482792  # [  131.819929] [<c086e3f8>] (refcount_warn_saturate) from [<c0c300ac>] (__refcount_add.constprop.0+0x44/0x58)
 4461 10:58:18.483095  # [  131.829598] [<c0c30068>] (__refcount_add.constprop.0) from [<c138ce60>] (lkdtm_REFCOUNT_INC_SATURATED+0x4c/0x70)
 4462 10:58:18.483385  # [  131.839788] [<c138ce14>] (lkdtm_REFCOUNT_INC_SATURATED) from [<c0c2f028>] (lkdtm_do_action+0x2c/0x4c)
 4463 10:58:18.483665  # [  131.849012]  r4:00000035
 4464 10:58:18.529185  # [  131.851558] [<c0c2effc>] (lkdtm_do_action) from [<c0c2f528>] (direct_entry+0x120/0x18c)
 4465 10:58:18.529730  # [  131.859577] [<c0c2f408>] (direct_entry) from [<c07f6038>] (full_proxy_write+0x64/0x94)
 4466 10:58:18.530082  # [  131.867502]  r9:c6979f60 r8:c513d000 r7:00000017 r6:b6dc1000 r5:c6a12280 r4:c0c2f408
 4467 10:58:18.530437  # [  131.875260] [<c07f5fd4>] (full_proxy_write) from [<c0598ab8>] (vfs_write+0x10c/0x524)
 4468 10:58:18.530752  # [  131.883101]  r9:c07f5fd4 r8:c6979f60 r7:c2816000 r6:b6dc1000 r5:c6a12280 r4:00000000
 4469 10:58:18.573341  # [  131.890853] [<c05989ac>] (vfs_write) from [<c059904c>] (ksys_write+0x74/0xec)
 4470 10:58:18.573887  # [  131.897996]  r10:00000004 r9:00000000 r8:00000000 r7:b6dc1000 r6:c6978000 r5:c6a12280
 4471 10:58:18.574244  # [  131.905828]  r4:c6a12280
 4472 10:58:18.574563  # [  131.908371] [<c0598fd8>] (ksys_write) from [<c05990dc>] (sys_write+0x18/0x1c)
 4473 10:58:18.574881  # [  131.915514]  r9:c6978000 r8:c03002e4 r7:00000004 r6:b6f08e00 r5:00000017 r4:00000017
 4474 10:58:18.575190  # [  131.923270] [<c05990c4>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 4475 10:58:18.575493  # [  131.930845] Exception stack(0xc6979fa8 to 0xc6979ff0)
 4476 10:58:18.617338  # [  131.935906] 9fa0:                   00000017 00000017 00000001 b6dc1000 00000017 00000000
 4477 10:58:18.617885  # [  131.944093] 9fc0: 00000017 00000017 b6f08e00 00000004 00000001 00000000 00020000 bea09a54
 4478 10:58:18.618245  # [  131.952277] 9fe0: 00000004 bea09788 b6e734cf b6df97e6
 4479 10:58:18.618569  # [  131.957383] irq event stamp: 0
 4480 10:58:18.618878  # [  131.960457] hardirqs last  enabled at (0): [<00000000>] 0x0
 4481 10:58:18.619182  # [  131.966071] hardirqs last disabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 4482 10:58:18.661214  # [  131.973612] softirqs last  enabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 4483 10:58:18.661780  # [  131.981134] softirqs last disabled at (0): [<00000000>] 0x0
 4484 10:58:18.662148  # [  131.986758] ---[ end trace cf55c2bf51e529dd ]---
 4485 10:58:18.662473  # [  131.991393] lkdtm: Saturation detected: still saturated
 4486 10:58:18.662785  # REFCOUNT_INC_SATURATED: saw 'Saturation detected: still saturated': ok
 4487 10:58:18.663085  ok 52 selftests: lkdtm: REFCOUNT_INC_SATURATED.sh
 4488 10:58:18.663380  # selftests: lkdtm: REFCOUNT_DEC_SATURATED.sh
 4489 10:58:18.710566  [  132.461004] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED
 4490 10:58:18.711105  [  132.467162] lkdtm: attempting bad refcount_dec() from saturated
 4491 10:58:18.711449  [  132.473149] ------------[ cut here ]------------
 4492 10:58:18.711769  [  132.477797] WARNING: CPU: 2 PID: 3069 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174
 4493 10:58:18.712084  [  132.486294] refcount_t: decrement hit 0; leaking memory.
 4494 10:58:18.754174  [  132.491616] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3
 4495 10:58:18.754702  [  132.520799] CPU: 2 PID: 3069 Comm: cat Tainted: G      D W         5.10.155-cip21 #1
 4496 10:58:18.755029  [  132.528548] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 4497 10:58:18.755331  [  132.535081] Backtrace: 
 4498 10:58:18.755617  [  132.537559] [<c137e7e8>] (dump_backtrace) from [<c137eba8>] (show_stack+0x20/0x24)
 4499 10:58:18.797533  [  132.545139]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4
 4500 10:58:18.798041  [  132.550812] [<c137eb88>] (show_stack) from [<c1385d24>] (dump_stack+0xe0/0x100)
 4501 10:58:18.798364  [  132.558137] [<c1385c44>] (dump_stack) from [<c03566f0>] (__warn+0xfc/0x16c)
 4502 10:58:18.798664  [  132.565108]  r9:00000009 r8:c086e464 r7:0000001f r6:00000009 r5:c086e464 r4:c1a24c30
 4503 10:58:18.798953  [  132.572865] [<c03565f4>] (__warn) from [<c137fcc8>] (warn_slowpath_fmt+0x8c/0xa8)
 4504 10:58:18.799239  [  132.580355]  r7:0000001f r6:c1a24c30 r5:c1a24c94 r4:c5a40000
 4505 10:58:18.841170  [  132.586031] [<c137fc40>] (warn_slowpath_fmt) from [<c086e464>] (refcount_warn_saturate+0x6c/0x174)
 4506 10:58:18.841713  [  132.594998]  r9:c1ad0cc8 r8:c15e8634 r7:c5a41f60 r6:00000017 r5:c6afb000 r4:c5a40000
 4507 10:58:18.842074  [  132.602755] [<c086e3f8>] (refcount_warn_saturate) from [<c138c74c>] (__refcount_dec.constprop.0+0x38/0x3c)
 4508 10:58:18.842402  [  132.612419] [<c138c714>] (__refcount_dec.constprop.0) from [<c138cecc>] (lkdtm_REFCOUNT_DEC_SATURATED+0x48/0x6c)
 4509 10:58:18.842714  [  132.622611] [<c138ce84>] (lkdtm_REFCOUNT_DEC_SATURATED) from [<c0c2f028>] (lkdtm_do_action+0x2c/0x4c)
 4510 10:58:18.843019  [  132.631834]  r4:00000036
 4511 10:58:18.885189  [  132.634379] [<c0c2effc>] (lkdtm_do_action) from [<c0c2f528>] (direct_entry+0x120/0x18c)
 4512 10:58:18.885737  [  132.642396] [<c0c2f408>] (direct_entry) from [<c07f6038>] (full_proxy_write+0x64/0x94)
 4513 10:58:18.886096  [  132.650321]  r9:c5a41f60 r8:c513d000 r7:00000017 r6:b6db6000 r5:c6b1f180 r4:c0c2f408
 4514 10:58:18.886419  [  132.658080] [<c07f5fd4>] (full_proxy_write) from [<c0598ab8>] (vfs_write+0x10c/0x524)
 4515 10:58:18.886732  [  132.665918]  r9:c07f5fd4 r8:c5a41f60 r7:c2816000 r6:b6db6000 r5:c6b1f180 r4:00000000
 4516 10:58:18.929320  [  132.673670] [<c05989ac>] (vfs_write) from [<c059904c>] (ksys_write+0x74/0xec)
 4517 10:58:18.929862  [  132.680814]  r10:00000004 r9:00000000 r8:00000000 r7:b6db6000 r6:c5a40000 r5:c6b1f180
 4518 10:58:18.930226  [  132.688647]  r4:c6b1f180
 4519 10:58:18.930550  [  132.691192] [<c0598fd8>] (ksys_write) from [<c05990dc>] (sys_write+0x18/0x1c)
 4520 10:58:18.930864  [  132.698335]  r9:c5a40000 r8:c03002e4 r7:00000004 r6:b6efde00 r5:00000017 r4:00000017
 4521 10:58:18.931168  [  132.706089] [<c05990c4>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 4522 10:58:18.931467  [  132.713664] Exception stack(0xc5a41fa8 to 0xc5a41ff0)
 4523 10:58:18.972898  [  132.718725] 1fa0:                   00000017 00000017 00000001 b6db6000 00000017 00000000
 4524 10:58:18.973101  [  132.726912] 1fc0: 00000017 00000017 b6efde00 00000004 00000001 00000000 00020000 befdea54
 4525 10:58:18.973189  [  132.735097] 1fe0: 00000004 befde788 b6e684cf b6dee7e6
 4526 10:58:18.973276  [  132.740221] irq event stamp: 0
 4527 10:58:18.973347  [  132.743316] hardirqs last  enabled at (0): [<00000000>] 0x0
 4528 10:58:18.973438  [  132.748906] hardirqs last disabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 4529 10:58:18.973524  [  132.756441] softirqs last  enabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 4530 10:58:19.017342  [  132.763990] softirqs last disabled at (0): [<00000000>] 0x0
 4531 10:58:19.017823  [  132.769585] ---[ end trace cf55c2bf51e529de ]---
 4532 10:58:19.018130  [  132.774246] lkdtm: Saturation detected: still saturated
 4533 10:58:19.135436  # [  132.461004] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED
 4534 10:58:19.135982  # [  132.467162] lkdtm: attempting bad refcount_dec() from saturated
 4535 10:58:19.136335  # [  132.473149] ------------[ cut here ]------------
 4536 10:58:19.136678  # [  132.477797] WARNING: CPU: 2 PID: 3069 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174
 4537 10:58:19.137003  # [  132.486294] refcount_t: decrement hit 0; leaking memory.
 4538 10:58:19.178432  # [  132.491616] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3
 4539 10:58:19.179028  # [  132.520799] CPU: 2 PID: 3069 Comm: cat Tainted: G      D W         5.10.155-cip21 #1
 4540 10:58:19.179393  # [  132.528548] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 4541 10:58:19.179740  # [  132.535081] Backtrace: 
 4542 10:58:19.180047  # [  132.537559] [<c137e7e8>] (dump_backtrace) from [<c137eba8>] (show_stack+0x20/0x24)
 4543 10:58:19.180348  # [  132.545139]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4
 4544 10:58:19.221215  # [  132.550812] [<c137eb88>] (show_stack) from [<c1385d24>] (dump_stack+0xe0/0x100)
 4545 10:58:19.221739  # [  132.558137] [<c1385c44>] (dump_stack) from [<c03566f0>] (__warn+0xfc/0x16c)
 4546 10:58:19.222069  # [  132.565108]  r9:00000009 r8:c086e464 r7:0000001f r6:00000009 r5:c086e464 r4:c1a24c30
 4547 10:58:19.222372  # [  132.572865] [<c03565f4>] (__warn) from [<c137fcc8>] (warn_slowpath_fmt+0x8c/0xa8)
 4548 10:58:19.222663  # [  132.580355]  r7:0000001f r6:c1a24c30 r5:c1a24c94 r4:c5a40000
 4549 10:58:19.265183  # [  132.586031] [<c137fc40>] (warn_slowpath_fmt) from [<c086e464>] (refcount_warn_saturate+0x6c/0x174)
 4550 10:58:19.265693  # [  132.594998]  r9:c1ad0cc8 r8:c15e8634 r7:c5a41f60 r6:00000017 r5:c6afb000 r4:c5a40000
 4551 10:58:19.266024  # [  132.602755] [<c086e3f8>] (refcount_warn_saturate) from [<c138c74c>] (__refcount_dec.constprop.0+0x38/0x3c)
 4552 10:58:19.266327  # [  132.612419] [<c138c714>] (__refcount_dec.constprop.0) from [<c138cecc>] (lkdtm_REFCOUNT_DEC_SATURATED+0x48/0x6c)
 4553 10:58:19.266618  # [  132.622611] [<c138ce84>] (lkdtm_REFCOUNT_DEC_SATURATED) from [<c0c2f028>] (lkdtm_do_action+0x2c/0x4c)
 4554 10:58:19.266899  # [  132.631834]  r4:00000036
 4555 10:58:19.309337  # [  132.634379] [<c0c2effc>] (lkdtm_do_action) from [<c0c2f528>] (direct_entry+0x120/0x18c)
 4556 10:58:19.309919  # [  132.642396] [<c0c2f408>] (direct_entry) from [<c07f6038>] (full_proxy_write+0x64/0x94)
 4557 10:58:19.310295  # [  132.650321]  r9:c5a41f60 r8:c513d000 r7:00000017 r6:b6db6000 r5:c6b1f180 r4:c0c2f408
 4558 10:58:19.310633  # [  132.658080] [<c07f5fd4>] (full_proxy_write) from [<c0598ab8>] (vfs_write+0x10c/0x524)
 4559 10:58:19.310966  # [  132.665918]  r9:c07f5fd4 r8:c5a41f60 r7:c2816000 r6:b6db6000 r5:c6b1f180 r4:00000000
 4560 10:58:19.353196  # [  132.673670] [<c05989ac>] (vfs_write) from [<c059904c>] (ksys_write+0x74/0xec)
 4561 10:58:19.353707  # [  132.680814]  r10:00000004 r9:00000000 r8:00000000 r7:b6db6000 r6:c5a40000 r5:c6b1f180
 4562 10:58:19.354037  # [  132.688647]  r4:c6b1f180
 4563 10:58:19.354333  # [  132.691192] [<c0598fd8>] (ksys_write) from [<c05990dc>] (sys_write+0x18/0x1c)
 4564 10:58:19.354621  # [  132.698335]  r9:c5a40000 r8:c03002e4 r7:00000004 r6:b6efde00 r5:00000017 r4:00000017
 4565 10:58:19.354899  # [  132.706089] [<c05990c4>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 4566 10:58:19.355171  # [  132.713664] Exception stack(0xc5a41fa8 to 0xc5a41ff0)
 4567 10:58:19.397349  # [  132.718725] 1fa0:                   00000017 00000017 00000001 b6db6000 00000017 00000000
 4568 10:58:19.397896  # [  132.726912] 1fc0: 00000017 00000017 b6efde00 00000004 00000001 00000000 00020000 befdea54
 4569 10:58:19.398257  # [  132.735097] 1fe0: 00000004 befde788 b6e684cf b6dee7e6
 4570 10:58:19.398581  # [  132.740221] irq event stamp: 0
 4571 10:58:19.398893  # [  132.743316] hardirqs last  enabled at (0): [<00000000>] 0x0
 4572 10:58:19.399200  # [  132.748906] hardirqs last disabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 4573 10:58:19.441368  # [  132.756441] softirqs last  enabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 4574 10:58:19.441911  # [  132.763990] softirqs last disabled at (0): [<00000000>] 0x0
 4575 10:58:19.442260  # [  132.769585] ---[ end trace cf55c2bf51e529de ]---
 4576 10:58:19.442585  # [  132.774246] lkdtm: Saturation detected: still saturated
 4577 10:58:19.442894  # REFCOUNT_DEC_SATURATED: saw 'Saturation detected: still saturated': ok
 4578 10:58:19.443199  ok 53 selftests: lkdtm: REFCOUNT_DEC_SATURATED.sh
 4579 10:58:19.443495  # selftests: lkdtm: REFCOUNT_ADD_SATURATED.sh
 4580 10:58:19.501185  [  133.246933] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED
 4581 10:58:19.501383  [  133.253131] lkdtm: attempting bad refcount_dec() from saturated
 4582 10:58:19.501481  [  133.259070] ------------[ cut here ]------------
 4583 10:58:19.501571  [  133.263904] WARNING: CPU: 2 PID: 3104 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174
 4584 10:58:19.501659  [  133.272406] refcount_t: saturated; leaking memory.
 4585 10:58:19.544998  [  133.277209] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3
 4586 10:58:19.545293  [  133.306369] CPU: 2 PID: 3104 Comm: cat Tainted: G      D W         5.10.155-cip21 #1
 4587 10:58:19.545467  [  133.314121] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 4588 10:58:19.545624  [  133.320653] Backtrace: 
 4589 10:58:19.545774  [  133.323130] [<c137e7e8>] (dump_backtrace) from [<c137eba8>] (show_stack+0x20/0x24)
 4590 10:58:19.545919  [  133.330710]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4
 4591 10:58:19.589140  [  133.336381] [<c137eb88>] (show_stack) from [<c1385d24>] (dump_stack+0xe0/0x100)
 4592 10:58:19.589625  [  133.343706] [<c1385c44>] (dump_stack) from [<c03566f0>] (__warn+0xfc/0x16c)
 4593 10:58:19.589935  [  133.350678]  r9:00000009 r8:c086e4cc r7:00000016 r6:00000009 r5:c086e4cc r4:c1a24c30
 4594 10:58:19.590213  [  133.358433] [<c03565f4>] (__warn) from [<c137fcc8>] (warn_slowpath_fmt+0x8c/0xa8)
 4595 10:58:19.590483  [  133.365921]  r7:00000016 r6:c1a24c30 r5:c1a24c08 r4:c696e000
 4596 10:58:19.590744  [  133.371596] [<c137fc40>] (warn_slowpath_fmt) from [<c086e4cc>] (refcount_warn_saturate+0xd4/0x174)
 4597 10:58:19.633315  [  133.380563]  r9:c1ad0ce0 r8:c15e8634 r7:c696ff60 r6:00000017 r5:c6afb000 r4:c696e000
 4598 10:58:19.633864  [  133.388322] [<c086e3f8>] (refcount_warn_saturate) from [<c0c300ac>] (__refcount_add.constprop.0+0x44/0x58)
 4599 10:58:19.634222  [  133.397989] [<c0c30068>] (__refcount_add.constprop.0) from [<c138cf3c>] (lkdtm_REFCOUNT_ADD_SATURATED+0x4c/0x70)
 4600 10:58:19.634548  [  133.408178] [<c138cef0>] (lkdtm_REFCOUNT_ADD_SATURATED) from [<c0c2f028>] (lkdtm_do_action+0x2c/0x4c)
 4601 10:58:19.634863  [  133.417402]  r4:00000037
 4602 10:58:19.677304  [  133.419948] [<c0c2effc>] (lkdtm_do_action) from [<c0c2f528>] (direct_entry+0x120/0x18c)
 4603 10:58:19.677854  [  133.427967] [<c0c2f408>] (direct_entry) from [<c07f6038>] (full_proxy_write+0x64/0x94)
 4604 10:58:19.678208  [  133.435893]  r9:c696ff60 r8:c513d000 r7:00000017 r6:b6e81000 r5:c6b1eb40 r4:c0c2f408
 4605 10:58:19.678534  [  133.443649] [<c07f5fd4>] (full_proxy_write) from [<c0598ab8>] (vfs_write+0x10c/0x524)
 4606 10:58:19.678848  [  133.451488]  r9:c07f5fd4 r8:c696ff60 r7:c2816000 r6:b6e81000 r5:c6b1eb40 r4:00000000
 4607 10:58:19.679151  [  133.459240] [<c05989ac>] (vfs_write) from [<c059904c>] (ksys_write+0x74/0xec)
 4608 10:58:19.721148  [  133.466383]  r10:00000004 r9:00000000 r8:00000000 r7:b6e81000 r6:c696e000 r5:c6b1eb40
 4609 10:58:19.721685  [  133.474217]  r4:c6b1eb40
 4610 10:58:19.722031  [  133.476759] [<c0598fd8>] (ksys_write) from [<c05990dc>] (sys_write+0x18/0x1c)
 4611 10:58:19.722354  [  133.483902]  r9:c696e000 r8:c03002e4 r7:00000004 r6:b6fc8e00 r5:00000017 r4:00000017
 4612 10:58:19.722668  [  133.491659] [<c05990c4>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 4613 10:58:19.722971  [  133.499234] Exception stack(0xc696ffa8 to 0xc696fff0)
 4614 10:58:19.764883  [  133.504297] ffa0:                   00000017 00000017 00000001 b6e81000 00000017 00000000
 4615 10:58:19.765084  [  133.512482] ffc0: 00000017 00000017 b6fc8e00 00000004 00000001 00000000 00020000 be9fba54
 4616 10:58:19.765154  [  133.520666] ffe0: 00000004 be9fb788 b6f334cf b6eb97e6
 4617 10:58:19.765221  [  133.525768] irq event stamp: 0
 4618 10:58:19.765281  [  133.528839] hardirqs last  enabled at (0): [<00000000>] 0x0
 4619 10:58:19.765341  [  133.534455] hardirqs last disabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 4620 10:58:19.765399  [  133.541995] softirqs last  enabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 4621 10:58:19.809099  [  133.549499] softirqs last disabled at (0): [<00000000>] 0x0
 4622 10:58:19.809308  [  133.555120] ---[ end trace cf55c2bf51e529df ]---
 4623 10:58:19.809414  [  133.559754] lkdtm: Saturation detected: still saturated
 4624 10:58:19.920803  # [  133.246933] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED
 4625 10:58:19.921348  # [  133.253131] lkdtm: attempting bad refcount_dec() from saturated
 4626 10:58:19.921702  # [  133.259070] ------------[ cut here ]------------
 4627 10:58:19.922029  # [  133.263904] WARNING: CPU: 2 PID: 3104 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174
 4628 10:58:19.922345  # [  133.272406] refcount_t: saturated; leaking memory.
 4629 10:58:19.963809  # [  133.277209] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3
 4630 10:58:19.964395  # [  133.306369] CPU: 2 PID: 3104 Comm: cat Tainted: G      D W         5.10.155-cip21 #1
 4631 10:58:19.964784  # [  133.314121] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 4632 10:58:19.965114  # [  133.320653] Backtrace: 
 4633 10:58:19.965416  # [  133.323130] [<c137e7e8>] (dump_backtrace) from [<c137eba8>] (show_stack+0x20/0x24)
 4634 10:58:20.006243  # [  133.330710]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4
 4635 10:58:20.006454  # [  133.336381] [<c137eb88>] (show_stack) from [<c1385d24>] (dump_stack+0xe0/0x100)
 4636 10:58:20.006571  # [  133.343706] [<c1385c44>] (dump_stack) from [<c03566f0>] (__warn+0xfc/0x16c)
 4637 10:58:20.006674  # [  133.350678]  r9:00000009 r8:c086e4cc r7:00000016 r6:00000009 r5:c086e4cc r4:c1a24c30
 4638 10:58:20.006771  # [  133.358433] [<c03565f4>] (__warn) from [<c137fcc8>] (warn_slowpath_fmt+0x8c/0xa8)
 4639 10:58:20.006864  # [  133.365921]  r7:00000016 r6:c1a24c30 r5:c1a24c08 r4:c696e000
 4640 10:58:20.049851  # [  133.371596] [<c137fc40>] (warn_slowpath_fmt) from [<c086e4cc>] (refcount_warn_saturate+0xd4/0x174)
 4641 10:58:20.050354  # [  133.380563]  r9:c1ad0ce0 r8:c15e8634 r7:c696ff60 r6:00000017 r5:c6afb000 r4:c696e000
 4642 10:58:20.050668  # [  133.388322] [<c086e3f8>] (refcount_warn_saturate) from [<c0c300ac>] (__refcount_add.constprop.0+0x44/0x58)
 4643 10:58:20.050960  # [  133.397989] [<c0c30068>] (__refcount_add.constprop.0) from [<c138cf3c>] (lkdtm_REFCOUNT_ADD_SATURATED+0x4c/0x70)
 4644 10:58:20.097155  # [  133.408178] [<c138cef0>] (lkdtm_REFCOUNT_ADD_SATURATED) from [<c0c2f028>] (lkdtm_do_action+0x2c/0x4c)
 4645 10:58:20.097668  # [  133.417402]  r4:00000037
 4646 10:58:20.098027  # [  133.419948] [<c0c2effc>] (lkdtm_do_action) from [<c0c2f528>] (direct_entry+0x120/0x18c)
 4647 10:58:20.098351  # [  133.427967] [<c0c2f408>] (direct_entry) from [<c07f6038>] (full_proxy_write+0x64/0x94)
 4648 10:58:20.098661  # [  133.435893]  r9:c696ff60 r8:c513d000 r7:00000017 r6:b6e81000 r5:c6b1eb40 r4:c0c2f408
 4649 10:58:20.098963  # [  133.443649] [<c07f5fd4>] (full_proxy_write) from [<c0598ab8>] (vfs_write+0x10c/0x524)
 4650 10:58:20.141339  # [  133.451488]  r9:c07f5fd4 r8:c696ff60 r7:c2816000 r6:b6e81000 r5:c6b1eb40 r4:00000000
 4651 10:58:20.141852  # [  133.459240] [<c05989ac>] (vfs_write) from [<c059904c>] (ksys_write+0x74/0xec)
 4652 10:58:20.142216  # [  133.466383]  r10:00000004 r9:00000000 r8:00000000 r7:b6e81000 r6:c696e000 r5:c6b1eb40
 4653 10:58:20.142543  # [  133.474217]  r4:c6b1eb40
 4654 10:58:20.142854  # [  133.476759] [<c0598fd8>] (ksys_write) from [<c05990dc>] (sys_write+0x18/0x1c)
 4655 10:58:20.143161  # [  133.483902]  r9:c696e000 r8:c03002e4 r7:00000004 r6:b6fc8e00 r5:00000017 r4:00000017
 4656 10:58:20.143459  # [  133.491659] [<c05990c4>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 4657 10:58:20.185322  # [  133.499234] Exception stack(0xc696ffa8 to 0xc696fff0)
 4658 10:58:20.185869  # [  133.504297] ffa0:                   00000017 00000017 00000001 b6e81000 00000017 00000000
 4659 10:58:20.186228  # [  133.512482] ffc0: 00000017 00000017 b6fc8e00 00000004 00000001 00000000 00020000 be9fba54
 4660 10:58:20.186554  # [  133.520666] ffe0: 00000004 be9fb788 b6f334cf b6eb97e6
 4661 10:58:20.186866  # [  133.525768] irq event stamp: 0
 4662 10:58:20.187172  # [  133.528839] hardirqs last  enabled at (0): [<00000000>] 0x0
 4663 10:58:20.187467  # [  133.534455] hardirqs last disabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 4664 10:58:20.229029  # [  133.541995] softirqs last  enabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 4665 10:58:20.229207  # [  133.549499] softirqs last disabled at (0): [<00000000>] 0x0
 4666 10:58:20.229293  # [  133.555120] ---[ end trace cf55c2bf51e529df ]---
 4667 10:58:20.229371  # [  133.559754] lkdtm: Saturation detected: still saturated
 4668 10:58:20.229446  # REFCOUNT_ADD_SATURATED: saw 'Saturation detected: still saturated': ok
 4669 10:58:20.229519  ok 54 selftests: lkdtm: REFCOUNT_ADD_SATURATED.sh
 4670 10:58:20.229589  # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh
 4671 10:58:20.273141  [  134.014876] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED
 4672 10:58:20.273363  [  134.021820] lkdtm: attempting bad refcount_inc_not_zero() from saturated
 4673 10:58:20.273486  [  134.028533] ------------[ cut here ]------------
 4674 10:58:20.273594  [  134.033244] WARNING: CPU: 1 PID: 3136 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174
 4675 10:58:20.273698  [  134.041726] refcount_t: saturated; leaking memory.
 4676 10:58:20.317242  [  134.046527] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3
 4677 10:58:20.317579  [  134.075708] CPU: 1 PID: 3136 Comm: cat Tainted: G      D W         5.10.155-cip21 #1
 4678 10:58:20.317784  [  134.083459] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 4679 10:58:20.317970  [  134.089990] Backtrace: 
 4680 10:58:20.318141  [  134.092468] [<c137e7e8>] (dump_backtrace) from [<c137eba8>] (show_stack+0x20/0x24)
 4681 10:58:20.318305  [  134.100048]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4
 4682 10:58:20.361410  [  134.105725] [<c137eb88>] (show_stack) from [<c1385d24>] (dump_stack+0xe0/0x100)
 4683 10:58:20.361955  [  134.113051] [<c1385c44>] (dump_stack) from [<c03566f0>] (__warn+0xfc/0x16c)
 4684 10:58:20.362315  [  134.120023]  r9:00000009 r8:c086e498 r7:00000013 r6:00000009 r5:c086e498 r4:c1a24c30
 4685 10:58:20.362638  [  134.127777] [<c03565f4>] (__warn) from [<c137fcc8>] (warn_slowpath_fmt+0x8c/0xa8)
 4686 10:58:20.362949  [  134.135267]  r7:00000013 r6:c1a24c30 r5:c1a24c08 r4:c6cc6000
 4687 10:58:20.363250  [  134.140942] [<c137fc40>] (warn_slowpath_fmt) from [<c086e498>] (refcount_warn_saturate+0xa0/0x174)
 4688 10:58:20.405325  [  134.149910]  r9:c1ad0cf8 r8:c15e8634 r7:c6cc7f60 r6:00000020 r5:c5fe6000 r4:c0000000
 4689 10:58:20.405868  [  134.157672] [<c086e3f8>] (refcount_warn_saturate) from [<c138c7b4>] (__refcount_add_not_zero.constprop.0+0x64/0x78)
 4690 10:58:20.406231  [  134.168120] [<c138c750>] (__refcount_add_not_zero.constprop.0) from [<c138cfb0>] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x50/0x88)
 4691 10:58:20.406561  [  134.179862]  r5:c5fe6000 r4:c6cc6000
 4692 10:58:20.406871  [  134.183455] [<c138cf60>] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED) from [<c0c2f028>] (lkdtm_do_action+0x2c/0x4c)
 4693 10:58:20.449327  [  134.193459]  r4:00000038
 4694 10:58:20.449869  [  134.196005] [<c0c2effc>] (lkdtm_do_action) from [<c0c2f528>] (direct_entry+0x120/0x18c)
 4695 10:58:20.450228  [  134.204024] [<c0c2f408>] (direct_entry) from [<c07f6038>] (full_proxy_write+0x64/0x94)
 4696 10:58:20.450554  [  134.211950]  r9:c6cc7f60 r8:c513d000 r7:00000020 r6:b6e84000 r5:c680cb40 r4:c0c2f408
 4697 10:58:20.450865  [  134.219708] [<c07f5fd4>] (full_proxy_write) from [<c0598ab8>] (vfs_write+0x10c/0x524)
 4698 10:58:20.451166  [  134.227547]  r9:c07f5fd4 r8:c6cc7f60 r7:c2816000 r6:b6e84000 r5:c680cb40 r4:00000000
 4699 10:58:20.493321  [  134.235300] [<c05989ac>] (vfs_write) from [<c059904c>] (ksys_write+0x74/0xec)
 4700 10:58:20.493870  [  134.242443]  r10:00000004 r9:00000000 r8:00000000 r7:b6e84000 r6:c6cc6000 r5:c680cb40
 4701 10:58:20.494231  [  134.250278]  r4:c680cb40
 4702 10:58:20.494554  [  134.252821] [<c0598fd8>] (ksys_write) from [<c05990dc>] (sys_write+0x18/0x1c)
 4703 10:58:20.494866  [  134.259964]  r9:c6cc6000 r8:c03002e4 r7:00000004 r6:b6fcbe00 r5:00000020 r4:00000020
 4704 10:58:20.495170  [  134.267719] [<c05990c4>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 4705 10:58:20.541002  [  134.275294] Exception stack(0xc6cc7fa8 to 0xc6cc7ff0)
 4706 10:58:20.541165  [  134.280355] 7fa0:                   00000020 00000020 00000001 b6e84000 00000020 00000000
 4707 10:58:20.541234  [  134.288542] 7fc0: 00000020 00000020 b6fcbe00 00000004 00000001 00000000 00020000 bed1ca54
 4708 10:58:20.541298  [  134.296724] 7fe0: 00000004 bed1c788 b6f364cf b6ebc7e6
 4709 10:58:20.541360  [  134.301835] irq event stamp: 0
 4710 10:58:20.541419  [  134.304910] hardirqs last  enabled at (0): [<00000000>] 0x0
 4711 10:58:20.541478  [  134.310499] hardirqs last disabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 4712 10:58:20.585375  [  134.318081] softirqs last  enabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 4713 10:58:20.585887  [  134.325622] softirqs last disabled at (0): [<00000000>] 0x0
 4714 10:58:20.586250  [  134.331211] ---[ end trace cf55c2bf51e529e0 ]---
 4715 10:58:20.586578  [  134.335880] lkdtm: Saturation detected: still saturated
 4716 10:58:20.692354  # [    0.000000] 	Rude variant of Tasks RCU enabled.
 4717 10:58:20.692921  # [    0.000000] 	Tracing variant of Tasks RCU enabled.
 4718 10:58:20.693275  # [  134.014876] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED
 4719 10:58:20.693600  # [  134.021820] lkdtm: attempting bad refcount_inc_not_zero() from saturated
 4720 10:58:20.693915  # [  134.028533] ------------[ cut here ]------------
 4721 10:58:20.694215  # [  134.033244] WARNING: CPU: 1 PID: 3136 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174
 4722 10:58:20.694518  # [  134.041726] refcount_t: saturated; leaking memory.
 4723 10:58:20.735584  # [  134.046527] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3
 4724 10:58:20.736113  # [  134.075708] CPU: 1 PID: 3136 Comm: cat Tainted: G      D W         5.10.155-cip21 #1
 4725 10:58:20.736494  # [  134.083459] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 4726 10:58:20.778547  # [  134.089990] Backtrace: 
 4727 10:58:20.779114  # [  134.092468] [<c137e7e8>] (dump_backtrace) from [<c137eba8>] (show_stack+0x20/0x24)
 4728 10:58:20.779489  # [  134.100048]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4
 4729 10:58:20.779817  # [  134.105725] [<c137eb88>] (show_stack) from [<c1385d24>] (dump_stack+0xe0/0x100)
 4730 10:58:20.780130  # [  134.113051] [<c1385c44>] (dump_stack) from [<c03566f0>] (__warn+0xfc/0x16c)
 4731 10:58:20.780437  # [  134.120023]  r9:00000009 r8:c086e498 r7:00000013 r6:00000009 r5:c086e498 r4:c1a24c30
 4732 10:58:20.821302  # [  134.127777] [<c03565f4>] (__warn) from [<c137fcc8>] (warn_slowpath_fmt+0x8c/0xa8)
 4733 10:58:20.821876  # [  134.135267]  r7:00000013 r6:c1a24c30 r5:c1a24c08 r4:c6cc6000
 4734 10:58:20.822234  # [  134.140942] [<c137fc40>] (warn_slowpath_fmt) from [<c086e498>] (refcount_warn_saturate+0xa0/0x174)
 4735 10:58:20.822559  # [  134.149910]  r9:c1ad0cf8 r8:c15e8634 r7:c6cc7f60 r6:00000020 r5:c5fe6000 r4:c0000000
 4736 10:58:20.822871  # [  134.157672] [<c086e3f8>] (refcount_warn_saturate) from [<c138c7b4>] (__refcount_add_not_zero.constprop.0+0x64/0x78)
 4737 10:58:20.865213  # [  134.168120] [<c138c750>] (__refcount_add_not_zero.constprop.0) from [<c138cfb0>] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x50/0x88)
 4738 10:58:20.865793  # [  134.179862]  r5:c5fe6000 r4:c6cc6000
 4739 10:58:20.866162  # [  134.183455] [<c138cf60>] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED) from [<c0c2f028>] (lkdtm_do_action+0x2c/0x4c)
 4740 10:58:20.866513  # [  134.193459]  r4:00000038
 4741 10:58:20.866825  # [  134.196005] [<c0c2effc>] (lkdtm_do_action) from [<c0c2f528>] (direct_entry+0x120/0x18c)
 4742 10:58:20.867130  # [  134.204024] [<c0c2f408>] (direct_entry) from [<c07f6038>] (full_proxy_write+0x64/0x94)
 4743 10:58:20.909196  # [  134.211950]  r9:c6cc7f60 r8:c513d000 r7:00000020 r6:b6e84000 r5:c680cb40 r4:c0c2f408
 4744 10:58:20.909743  # [  134.219708] [<c07f5fd4>] (full_proxy_write) from [<c0598ab8>] (vfs_write+0x10c/0x524)
 4745 10:58:20.910101  # [  134.227547]  r9:c07f5fd4 r8:c6cc7f60 r7:c2816000 r6:b6e84000 r5:c680cb40 r4:00000000
 4746 10:58:20.910430  # [  134.235300] [<c05989ac>] (vfs_write) from [<c059904c>] (ksys_write+0x74/0xec)
 4747 10:58:20.910742  # [  134.242443]  r10:00000004 r9:00000000 r8:00000000 r7:b6e84000 r6:c6cc6000 r5:c680cb40
 4748 10:58:20.911046  # [  134.250278]  r4:c680cb40
 4749 10:58:20.953182  # [  134.252821] [<c0598fd8>] (ksys_write) from [<c05990dc>] (sys_write+0x18/0x1c)
 4750 10:58:20.953729  # [  134.259964]  r9:c6cc6000 r8:c03002e4 r7:00000004 r6:b6fcbe00 r5:00000020 r4:00000020
 4751 10:58:20.954091  # [  134.267719] [<c05990c4>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 4752 10:58:20.954421  # [  134.275294] Exception stack(0xc6cc7fa8 to 0xc6cc7ff0)
 4753 10:58:20.954732  # [  134.280355] 7fa0:                   00000020 00000020 00000001 b6e84000 00000020 00000000
 4754 10:58:20.955036  # [  134.288542] 7fc0: 00000020 00000020 b6fcbe00 00000004 00000001 00000000 00020000 bed1ca54
 4755 10:58:20.996892  # [  134.296724] 7fe0: 00000004 bed1c788 b6f364cf b6ebc7e6
 4756 10:58:20.997113  # [  134.301835] irq event stamp: 0
 4757 10:58:20.997227  # [  134.304910] hardirqs last  enabled at (0): [<00000000>] 0x0
 4758 10:58:20.997338  # [  134.310499] hardirqs last disabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 4759 10:58:20.997439  # [  134.318081] softirqs last  enabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 4760 10:58:20.997533  # [  134.325622] softirqs last disabled at (0): [<00000000>] 0x0
 4761 10:58:20.997618  # [  134.331211] ---[ end trace cf55c2bf51e529e0 ]---
 4762 10:58:20.997705  # [  134.335880] lkdtm: Saturation detected: still saturated
 4763 10:58:21.041340  # REFCOUNT_INC_NOT_ZERO_SATURATED: missing 'call trace:': [FAIL]
 4764 10:58:21.041847  not ok 55 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh # exit=1
 4765 10:58:21.042182  # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh
 4766 10:58:21.042482  [  134.802361] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED
 4767 10:58:21.042768  [  134.809257] lkdtm: attempting bad refcount_add_not_zero() from saturated
 4768 10:58:21.043044  [  134.816125] ------------[ cut here ]------------
 4769 10:58:21.043314  [  134.820804] WARNING: CPU: 3 PID: 3170 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174
 4770 10:58:21.085331  [  134.829354] refcount_t: saturated; leaking memory.
 4771 10:58:21.085837  [  134.834256] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3
 4772 10:58:21.086183  [  134.863732] CPU: 3 PID: 3170 Comm: cat Tainted: G      D W         5.10.155-cip21 #1
 4773 10:58:21.129354  [  134.871481] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 4774 10:58:21.129863  [  134.878013] Backtrace: 
 4775 10:58:21.130229  [  134.880488] [<c137e7e8>] (dump_backtrace) from [<c137eba8>] (show_stack+0x20/0x24)
 4776 10:58:21.130555  [  134.888068]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4
 4777 10:58:21.130865  [  134.893742] [<c137eb88>] (show_stack) from [<c1385d24>] (dump_stack+0xe0/0x100)
 4778 10:58:21.131171  [  134.901066] [<c1385c44>] (dump_stack) from [<c03566f0>] (__warn+0xfc/0x16c)
 4779 10:58:21.131467  [  134.908039]  r9:00000009 r8:c086e498 r7:00000013 r6:00000009 r5:c086e498 r4:c1a24c30
 4780 10:58:21.173322  [  134.915794] [<c03565f4>] (__warn) from [<c137fcc8>] (warn_slowpath_fmt+0x8c/0xa8)
 4781 10:58:21.173868  [  134.923286]  r7:00000013 r6:c1a24c30 r5:c1a24c08 r4:c6bdc000
 4782 10:58:21.174221  [  134.928962] [<c137fc40>] (warn_slowpath_fmt) from [<c086e498>] (refcount_warn_saturate+0xa0/0x174)
 4783 10:58:21.174548  [  134.937931]  r9:c1ad0d18 r8:c15e8634 r7:c6bddf60 r6:00000020 r5:c6e45000 r4:c0000000
 4784 10:58:21.174861  [  134.945692] [<c086e3f8>] (refcount_warn_saturate) from [<c138c7b4>] (__refcount_add_not_zero.constprop.0+0x64/0x78)
 4785 10:58:21.217148  [  134.956142] [<c138c750>] (__refcount_add_not_zero.constprop.0) from [<c138d038>] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x50/0x88)
 4786 10:58:21.217696  [  134.967882]  r5:c6e45000 r4:c6bdc000
 4787 10:58:21.218050  [  134.971477] [<c138cfe8>] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED) from [<c0c2f028>] (lkdtm_do_action+0x2c/0x4c)
 4788 10:58:21.218380  [  134.981482]  r4:00000039
 4789 10:58:21.218688  [  134.984029] [<c0c2effc>] (lkdtm_do_action) from [<c0c2f528>] (direct_entry+0x120/0x18c)
 4790 10:58:21.218990  [  134.992047] [<c0c2f408>] (direct_entry) from [<c07f6038>] (full_proxy_write+0x64/0x94)
 4791 10:58:21.261310  [  134.999973]  r9:c6bddf60 r8:c513d000 r7:00000020 r6:b6dbd000 r5:c5ab0c80 r4:c0c2f408
 4792 10:58:21.261816  [  135.007731] [<c07f5fd4>] (full_proxy_write) from [<c0598ab8>] (vfs_write+0x10c/0x524)
 4793 10:58:21.262187  [  135.015570]  r9:c07f5fd4 r8:c6bddf60 r7:c2816000 r6:b6dbd000 r5:c5ab0c80 r4:00000000
 4794 10:58:21.262516  [  135.023322] [<c05989ac>] (vfs_write) from [<c059904c>] (ksys_write+0x74/0xec)
 4795 10:58:21.262829  [  135.030467]  r10:00000004 r9:00000000 r8:00000000 r7:b6dbd000 r6:c6bdc000 r5:c5ab0c80
 4796 10:58:21.263133  [  135.038299]  r4:c5ab0c80
 4797 10:58:21.263428  [  135.040845] [<c0598fd8>] (ksys_write) from [<c05990dc>] (sys_write+0x18/0x1c)
 4798 10:58:21.305340  [  135.047989]  r9:c6bdc000 r8:c03002e4 r7:00000004 r6:b6f04e00 r5:00000020 r4:00000020
 4799 10:58:21.305848  [  135.055745] [<c05990c4>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 4800 10:58:21.306213  [  135.063321] Exception stack(0xc6bddfa8 to 0xc6bddff0)
 4801 10:58:21.306540  [  135.068384] dfa0:                   00000020 00000020 00000001 b6dbd000 00000020 00000000
 4802 10:58:21.306859  [  135.076570] dfc0: 00000020 00000020 b6f04e00 00000004 00000001 00000000 00020000 bed7ea54
 4803 10:58:21.307162  [  135.084753] dfe0: 00000004 bed7e788 b6e6f4cf b6df57e6
 4804 10:58:21.353026  [  135.089844] irq event stamp: 0
 4805 10:58:21.353193  [  135.092938] hardirqs last  enabled at (0): [<00000000>] 0x0
 4806 10:58:21.353264  [  135.098528] hardirqs last disabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 4807 10:58:21.353330  [  135.106065] softirqs last  enabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 4808 10:58:21.353395  [  135.113615] softirqs last disabled at (0): [<00000000>] 0x0
 4809 10:58:21.353456  [  135.119204] ---[ end trace cf55c2bf51e529e1 ]---
 4810 10:58:21.353515  [  135.123883] lkdtm: Saturation detected: still saturated
 4811 10:58:21.484810  # [  134.802361] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED
 4812 10:58:21.485352  # [  134.809257] lkdtm: attempting bad refcount_add_not_zero() from saturated
 4813 10:58:21.485706  # [  134.816125] ------------[ cut here ]------------
 4814 10:58:21.486029  # [  134.820804] WARNING: CPU: 3 PID: 3170 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174
 4815 10:58:21.486344  # [  134.829354] refcount_t: saturated; leaking memory.
 4816 10:58:21.527970  # [  134.834256] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3
 4817 10:58:21.528530  # [  134.863732] CPU: 3 PID: 3170 Comm: cat Tainted: G      D W         5.10.155-cip21 #1
 4818 10:58:21.528913  # [  134.871481] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 4819 10:58:21.529245  # [  134.878013] Backtrace: 
 4820 10:58:21.529583  # [  134.880488] [<c137e7e8>] (dump_backtrace) from [<c137eba8>] (show_stack+0x20/0x24)
 4821 10:58:21.570877  # [  134.888068]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4
 4822 10:58:21.571452  # [  134.893742] [<c137eb88>] (show_stack) from [<c1385d24>] (dump_stack+0xe0/0x100)
 4823 10:58:21.571832  # [  134.901066] [<c1385c44>] (dump_stack) from [<c03566f0>] (__warn+0xfc/0x16c)
 4824 10:58:21.572158  # [  134.908039]  r9:00000009 r8:c086e498 r7:00000013 r6:00000009 r5:c086e498 r4:c1a24c30
 4825 10:58:21.572510  # [  134.915794] [<c03565f4>] (__warn) from [<c137fcc8>] (warn_slowpath_fmt+0x8c/0xa8)
 4826 10:58:21.572853  # [  134.923286]  r7:00000013 r6:c1a24c30 r5:c1a24c08 r4:c6bdc000
 4827 10:58:21.617199  # [  134.928962] [<c137fc40>] (warn_slowpath_fmt) from [<c086e498>] (refcount_warn_saturate+0xa0/0x174)
 4828 10:58:21.617711  # [  134.937931]  r9:c1ad0d18 r8:c15e8634 r7:c6bddf60 r6:00000020 r5:c6e45000 r4:c0000000
 4829 10:58:21.618048  # [  134.945692] [<c086e3f8>] (refcount_warn_saturate) from [<c138c7b4>] (__refcount_add_not_zero.constprop.0+0x64/0x78)
 4830 10:58:21.618353  # [  134.956142] [<c138c750>] (__refcount_add_not_zero.constprop.0) from [<c138d038>] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x50/0x88)
 4831 10:58:21.618644  # [  134.967882]  r5:c6e45000 r4:c6bdc000
 4832 10:58:21.661365  # [  134.971477] [<c138cfe8>] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED) from [<c0c2f028>] (lkdtm_do_action+0x2c/0x4c)
 4833 10:58:21.661926  # [  134.981482]  r4:00000039
 4834 10:58:21.662302  # [  134.984029] [<c0c2effc>] (lkdtm_do_action) from [<c0c2f528>] (direct_entry+0x120/0x18c)
 4835 10:58:21.662635  # [  134.992047] [<c0c2f408>] (direct_entry) from [<c07f6038>] (full_proxy_write+0x64/0x94)
 4836 10:58:21.662947  # [  134.999973]  r9:c6bddf60 r8:c513d000 r7:00000020 r6:b6dbd000 r5:c5ab0c80 r4:c0c2f408
 4837 10:58:21.663253  # [  135.007731] [<c07f5fd4>] (full_proxy_write) from [<c0598ab8>] (vfs_write+0x10c/0x524)
 4838 10:58:21.709142  # [  135.015570]  r9:c07f5fd4 r8:c6bddf60 r7:c2816000 r6:b6dbd000 r5:c5ab0c80 r4:00000000
 4839 10:58:21.709857  # [  135.023322] [<c05989ac>] (vfs_write) from [<c059904c>] (ksys_write+0x74/0xec)
 4840 10:58:21.710317  # [  135.030467]  r10:00000004 r9:00000000 r8:00000000 r7:b6dbd000 r6:c6bdc000 r5:c5ab0c80
 4841 10:58:21.710759  # [  135.038299]  r4:c5ab0c80
 4842 10:58:21.711147  # [  135.040845] [<c0598fd8>] (ksys_write) from [<c05990dc>] (sys_write+0x18/0x1c)
 4843 10:58:21.711513  # [  135.047989]  r9:c6bdc000 r8:c03002e4 r7:00000004 r6:b6f04e00 r5:00000020 r4:00000020
 4844 10:58:21.753335  # [  135.055745] [<c05990c4>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 4845 10:58:21.753883  # [  135.063321] Exception stack(0xc6bddfa8 to 0xc6bddff0)
 4846 10:58:21.754239  # [  135.068384] dfa0:                   00000020 00000020 00000001 b6dbd000 00000020 00000000
 4847 10:58:21.754564  # [  135.076570] dfc0: 00000020 00000020 b6f04e00 00000004 00000001 00000000 00020000 bed7ea54
 4848 10:58:21.754878  # [  135.084753] dfe0: 00000004 bed7e788 b6e6f4cf b6df57e6
 4849 10:58:21.755183  # [  135.089844] irq event stamp: 0
 4850 10:58:21.755480  # [  135.092938] hardirqs last  enabled at (0): [<00000000>] 0x0
 4851 10:58:21.797431  # [  135.098528] hardirqs last disabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 4852 10:58:21.797981  # [  135.106065] softirqs last  enabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 4853 10:58:21.798341  # [  135.113615] softirqs last disabled at (0): [<00000000>] 0x0
 4854 10:58:21.798666  # [  135.119204] ---[ end trace cf55c2bf51e529e1 ]---
 4855 10:58:21.798978  # [  135.123883] lkdtm: Saturation detected: still saturated
 4856 10:58:21.799280  # REFCOUNT_ADD_NOT_ZERO_SATURATED: missing 'call trace:': [FAIL]
 4857 10:58:21.799577  not ok 56 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh # exit=1
 4858 10:58:21.841382  # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh
 4859 10:58:21.861821  [  135.608831] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED
 4860 10:58:21.862370  [  135.615801] lkdtm: attempting bad refcount_dec_and_test() from saturated
 4861 10:58:21.862723  [  135.622556] ------------[ cut here ]------------
 4862 10:58:21.863051  [  135.627205] WARNING: CPU: 2 PID: 3207 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174
 4863 10:58:21.863372  [  135.635772] refcount_t: underflow; use-after-free.
 4864 10:58:21.905192  [  135.640574] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3
 4865 10:58:21.905750  [  135.669730] CPU: 2 PID: 3207 Comm: cat Tainted: G      D W         5.10.155-cip21 #1
 4866 10:58:21.906106  [  135.677480] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 4867 10:58:21.906434  [  135.684013] Backtrace: 
 4868 10:58:21.906741  [  135.686488] [<c137e7e8>] (dump_backtrace) from [<c137eba8>] (show_stack+0x20/0x24)
 4869 10:58:21.949206  [  135.694066]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4
 4870 10:58:21.949753  [  135.699741] [<c137eb88>] (show_stack) from [<c1385d24>] (dump_stack+0xe0/0x100)
 4871 10:58:21.950111  [  135.707066] [<c1385c44>] (dump_stack) from [<c03566f0>] (__warn+0xfc/0x16c)
 4872 10:58:21.950438  [  135.714038]  r9:00000009 r8:c086e534 r7:0000001c r6:00000009 r5:c086e534 r4:c1a24c30
 4873 10:58:21.950754  [  135.721792] [<c03565f4>] (__warn) from [<c137fcc8>] (warn_slowpath_fmt+0x8c/0xa8)
 4874 10:58:21.951060  [  135.729281]  r7:0000001c r6:c1a24c30 r5:c1a24c6c r4:c69d0000
 4875 10:58:21.993309  [  135.734956] [<c137fc40>] (warn_slowpath_fmt) from [<c086e534>] (refcount_warn_saturate+0x13c/0x174)
 4876 10:58:21.993855  [  135.744011]  r9:c1ad0d38 r8:c15e8634 r7:c69d1f60 r6:00000020 r5:c6afb000 r4:c69d0000
 4877 10:58:21.994215  [  135.751770] [<c086e3f8>] (refcount_warn_saturate) from [<c0c30124>] (__refcount_sub_and_test.constprop.0+0x64/0x6c)
 4878 10:58:21.994543  [  135.762220] [<c0c300c0>] (__refcount_sub_and_test.constprop.0) from [<c138d0c0>] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x50/0x88)
 4879 10:58:21.994859  [  135.773974] [<c138d070>] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED) from [<c0c2f028>] (lkdtm_do_action+0x2c/0x4c)
 4880 10:58:22.037318  [  135.783979]  r4:0000003a
 4881 10:58:22.037924  [  135.786523] [<c0c2effc>] (lkdtm_do_action) from [<c0c2f528>] (direct_entry+0x120/0x18c)
 4882 10:58:22.038288  [  135.794543] [<c0c2f408>] (direct_entry) from [<c07f6038>] (full_proxy_write+0x64/0x94)
 4883 10:58:22.038619  [  135.802468]  r9:c69d1f60 r8:c513d000 r7:00000020 r6:b6eb0000 r5:c6b1f040 r4:c0c2f408
 4884 10:58:22.038955  [  135.810228] [<c07f5fd4>] (full_proxy_write) from [<c0598ab8>] (vfs_write+0x10c/0x524)
 4885 10:58:22.039290  [  135.818066]  r9:c07f5fd4 r8:c69d1f60 r7:c2816000 r6:b6eb0000 r5:c6b1f040 r4:00000000
 4886 10:58:22.081345  [  135.825818] [<c05989ac>] (vfs_write) from [<c059904c>] (ksys_write+0x74/0xec)
 4887 10:58:22.081891  [  135.832964]  r10:00000004 r9:00000000 r8:00000000 r7:b6eb0000 r6:c69d0000 r5:c6b1f040
 4888 10:58:22.082249  [  135.840800]  r4:c6b1f040
 4889 10:58:22.082574  [  135.843346] [<c0598fd8>] (ksys_write) from [<c05990dc>] (sys_write+0x18/0x1c)
 4890 10:58:22.082891  [  135.850491]  r9:c69d0000 r8:c03002e4 r7:00000004 r6:b6ff7e00 r5:00000020 r4:00000020
 4891 10:58:22.083197  [  135.858249] [<c05990c4>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 4892 10:58:22.083496  [  135.865823] Exception stack(0xc69d1fa8 to 0xc69d1ff0)
 4893 10:58:22.124861  [  135.870887] 1fa0:                   00000020 00000020 00000001 b6eb0000 00000020 00000000
 4894 10:58:22.125078  [  135.879076] 1fc0: 00000020 00000020 b6ff7e00 00000004 00000001 00000000 00020000 bee96a54
 4895 10:58:22.125159  [  135.887262] 1fe0: 00000004 bee96788 b6f624cf b6ee87e6
 4896 10:58:22.125234  [  135.892386] irq event stamp: 0
 4897 10:58:22.125346  [  135.895462] hardirqs last  enabled at (0): [<00000000>] 0x0
 4898 10:58:22.125405  [  135.901054] hardirqs last disabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 4899 10:58:22.169081  [  135.908617] softirqs last  enabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 4900 10:58:22.169291  [  135.916172] softirqs last disabled at (0): [<00000000>] 0x0
 4901 10:58:22.169401  [  135.921795] ---[ end trace cf55c2bf51e529e2 ]---
 4902 10:58:22.169500  [  135.926427] lkdtm: Saturation detected: still saturated
 4903 10:58:22.283194  # [  135.608831] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED
 4904 10:58:22.283744  # [  135.615801] lkdtm: attempting bad refcount_dec_and_test() from saturated
 4905 10:58:22.284097  # [  135.622556] ------------[ cut here ]------------
 4906 10:58:22.284423  # [  135.627205] WARNING: CPU: 2 PID: 3207 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174
 4907 10:58:22.284770  # [  135.635772] refcount_t: underflow; use-after-free.
 4908 10:58:22.326182  # [  135.640574] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3
 4909 10:58:22.326748  # [  135.669730] CPU: 2 PID: 3207 Comm: cat Tainted: G      D W         5.10.155-cip21 #1
 4910 10:58:22.327103  # [  135.677480] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 4911 10:58:22.327428  # [  135.684013] Backtrace: 
 4912 10:58:22.327738  # [  135.686488] [<c137e7e8>] (dump_backtrace) from [<c137eba8>] (show_stack+0x20/0x24)
 4913 10:58:22.369343  
 4914 10:58:22.369887  # [  135.694066]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4
 4915 10:58:22.370239  # [  135.699741] [<c137eb88>] (show_stack) from [<c1385d24>] (dump_stack+0xe0/0x100)
 4916 10:58:22.370564  # [  135.707066] [<c1385c44>] (dump_stack) from [<c03566f0>] (__warn+0xfc/0x16c)
 4917 10:58:22.370879  # [  135.714038]  r9:00000009 r8:c086e534 r7:0000001c r6:00000009 r5:c086e534 r4:c1a24c30
 4918 10:58:22.371186  # [  135.721792] [<c03565f4>] (__warn) from [<c137fcc8>] (warn_slowpath_fmt+0x8c/0xa8)
 4919 10:58:22.371485  # [  135.729281]  r7:0000001c r6:c1a24c30 r5:c1a24c6c r4:c69d0000
 4920 10:58:22.413171  # [  135.734956] [<c137fc40>] (warn_slowpath_fmt) from [<c086e534>] (refcount_warn_saturate+0x13c/0x174)
 4921 10:58:22.413724  # [  135.744011]  r9:c1ad0d38 r8:c15e8634 r7:c69d1f60 r6:00000020 r5:c6afb000 r4:c69d0000
 4922 10:58:22.414085  # [  135.751770] [<c086e3f8>] (refcount_warn_saturate) from [<c0c30124>] (__refcount_sub_and_test.constprop.0+0x64/0x6c)
 4923 10:58:22.414414  # [  135.762220] [<c0c300c0>] (__refcount_sub_and_test.constprop.0) from [<c138d0c0>] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x50/0x88)
 4924 10:58:22.457207  # [  135.773974] [<c138d070>] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED) from [<c0c2f028>] (lkdtm_do_action+0x2c/0x4c)
 4925 10:58:22.457761  # [  135.783979]  r4:0000003a
 4926 10:58:22.458119  # [  135.786523] [<c0c2effc>] (lkdtm_do_action) from [<c0c2f528>] (direct_entry+0x120/0x18c)
 4927 10:58:22.458446  # [  135.794543] [<c0c2f408>] (direct_entry) from [<c07f6038>] (full_proxy_write+0x64/0x94)
 4928 10:58:22.458762  # [  135.802468]  r9:c69d1f60 r8:c513d000 r7:00000020 r6:b6eb0000 r5:c6b1f040 r4:c0c2f408
 4929 10:58:22.459064  # [  135.810228] [<c07f5fd4>] (full_proxy_write) from [<c0598ab8>] (vfs_write+0x10c/0x524)
 4930 10:58:22.501211  # [  135.818066]  r9:c07f5fd4 r8:c69d1f60 r7:c2816000 r6:b6eb0000 r5:c6b1f040 r4:00000000
 4931 10:58:22.501770  # [  135.825818] [<c05989ac>] (vfs_write) from [<c059904c>] (ksys_write+0x74/0xec)
 4932 10:58:22.502139  # [  135.832964]  r10:00000004 r9:00000000 r8:00000000 r7:b6eb0000 r6:c69d0000 r5:c6b1f040
 4933 10:58:22.502469  # [  135.840800]  r4:c6b1f040
 4934 10:58:22.502781  # [  135.843346] [<c0598fd8>] (ksys_write) from [<c05990dc>] (sys_write+0x18/0x1c)
 4935 10:58:22.503086  # [  135.850491]  r9:c69d0000 r8:c03002e4 r7:00000004 r6:b6ff7e00 r5:00000020 r4:00000020
 4936 10:58:22.545328  # [  135.858249] [<c05990c4>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 4937 10:58:22.545877  # [  135.865823] Exception stack(0xc69d1fa8 to 0xc69d1ff0)
 4938 10:58:22.546233  # [  135.870887] 1fa0:                   00000020 00000020 00000001 b6eb0000 00000020 00000000
 4939 10:58:22.546561  # [  135.879076] 1fc0: 00000020 00000020 b6ff7e00 00000004 00000001 00000000 00020000 bee96a54
 4940 10:58:22.546877  # [  135.887262] 1fe0: 00000004 bee96788 b6f624cf b6ee87e6
 4941 10:58:22.547182  # [  135.892386] irq event stamp: 0
 4942 10:58:22.547478  # [  135.895462] hardirqs last  enabled at (0): [<00000000>] 0x0
 4943 10:58:22.589315  # [  135.901054] hardirqs last disabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 4944 10:58:22.589865  # [  135.908617] softirqs last  enabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 4945 10:58:22.590222  # [  135.916172] softirqs last disabled at (0): [<00000000>] 0x0
 4946 10:58:22.590548  # [  135.921795] ---[ end trace cf55c2bf51e529e2 ]---
 4947 10:58:22.590862  # [  135.926427] lkdtm: Saturation detected: still saturated
 4948 10:58:22.591164  # REFCOUNT_DEC_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok
 4949 10:58:22.591461  ok 57 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh
 4950 10:58:22.633338  # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh
 4951 10:58:22.659534  [  136.407415] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED
 4952 10:58:22.660079  [  136.414364] lkdtm: attempting bad refcount_sub_and_test() from saturated
 4953 10:58:22.660432  [  136.421081] ------------[ cut here ]------------
 4954 10:58:22.660784  [  136.425854] WARNING: CPU: 2 PID: 3242 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174
 4955 10:58:22.661103  [  136.434459] refcount_t: underflow; use-after-free.
 4956 10:58:22.702759  [  136.439261] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3
 4957 10:58:22.703322  [  136.468413] CPU: 2 PID: 3242 Comm: cat Tainted: G      D W         5.10.155-cip21 #1
 4958 10:58:22.703679  [  136.476164] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 4959 10:58:22.704006  [  136.482696] Backtrace: 
 4960 10:58:22.704318  [  136.485174] [<c137e7e8>] (dump_backtrace) from [<c137eba8>] (show_stack+0x20/0x24)
 4961 10:58:22.745738  [  136.492754]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4
 4962 10:58:22.746283  [  136.498430] [<c137eb88>] (show_stack) from [<c1385d24>] (dump_stack+0xe0/0x100)
 4963 10:58:22.746634  [  136.505755] [<c1385c44>] (dump_stack) from [<c03566f0>] (__warn+0xfc/0x16c)
 4964 10:58:22.746958  [  136.512728]  r9:00000009 r8:c086e534 r7:0000001c r6:00000009 r5:c086e534 r4:c1a24c30
 4965 10:58:22.747270  [  136.520481] [<c03565f4>] (__warn) from [<c137fcc8>] (warn_slowpath_fmt+0x8c/0xa8)
 4966 10:58:22.747574  [  136.527972]  r7:0000001c r6:c1a24c30 r5:c1a24c6c r4:c6a28000
 4967 10:58:22.789299  [  136.533648] [<c137fc40>] (warn_slowpath_fmt) from [<c086e534>] (refcount_warn_saturate+0x13c/0x174)
 4968 10:58:22.789849  [  136.542702]  r9:c1ad0d58 r8:c15e8634 r7:c6a29f60 r6:00000020 r5:c6afb000 r4:c6a28000
 4969 10:58:22.790200  [  136.550462] [<c086e3f8>] (refcount_warn_saturate) from [<c0c30124>] (__refcount_sub_and_test.constprop.0+0x64/0x6c)
 4970 10:58:22.790529  [  136.560913] [<c0c300c0>] (__refcount_sub_and_test.constprop.0) from [<c138d148>] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x50/0x88)
 4971 10:58:22.790845  [  136.572669] [<c138d0f8>] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED) from [<c0c2f028>] (lkdtm_do_action+0x2c/0x4c)
 4972 10:58:22.837324  [  136.582674]  r4:0000003b
 4973 10:58:22.837873  [  136.585221] [<c0c2effc>] (lkdtm_do_action) from [<c0c2f528>] (direct_entry+0x120/0x18c)
 4974 10:58:22.838231  [  136.593241] [<c0c2f408>] (direct_entry) from [<c07f6038>] (full_proxy_write+0x64/0x94)
 4975 10:58:22.838557  [  136.601167]  r9:c6a29f60 r8:c513d000 r7:00000020 r6:b6e96000 r5:c6851400 r4:c0c2f408
 4976 10:58:22.838871  [  136.608926] [<c07f5fd4>] (full_proxy_write) from [<c0598ab8>] (vfs_write+0x10c/0x524)
 4977 10:58:22.839174  [  136.616764]  r9:c07f5fd4 r8:c6a29f60 r7:c2816000 r6:b6e96000 r5:c6851400 r4:00000000
 4978 10:58:22.881321  [  136.624516] [<c05989ac>] (vfs_write) from [<c059904c>] (ksys_write+0x74/0xec)
 4979 10:58:22.881873  [  136.631660]  r10:00000004 r9:00000000 r8:00000000 r7:b6e96000 r6:c6a28000 r5:c6851400
 4980 10:58:22.882235  [  136.639494]  r4:c6851400
 4981 10:58:22.882560  [  136.642039] [<c0598fd8>] (ksys_write) from [<c05990dc>] (sys_write+0x18/0x1c)
 4982 10:58:22.882874  [  136.649181]  r9:c6a28000 r8:c03002e4 r7:00000004 r6:b6fdde00 r5:00000020 r4:00000020
 4983 10:58:22.883176  [  136.656938] [<c05990c4>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 4984 10:58:22.924890  [  136.664513] Exception stack(0xc6a29fa8 to 0xc6a29ff0)
 4985 10:58:22.925053  [  136.669576] 9fa0:                   00000020 00000020 00000001 b6e96000 00000020 00000000
 4986 10:58:22.925120  [  136.677764] 9fc0: 00000020 00000020 b6fdde00 00000004 00000001 00000000 00020000 bedb8a54
 4987 10:58:22.925182  [  136.685946] 9fe0: 00000004 bedb8788 b6f484cf b6ece7e6
 4988 10:58:22.925243  [  136.691062] irq event stamp: 0
 4989 10:58:22.925301  [  136.694158] hardirqs last  enabled at (0): [<00000000>] 0x0
 4990 10:58:22.925358  [  136.699749] hardirqs last disabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 4991 10:58:22.969124  [  136.707325] softirqs last  enabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 4992 10:58:22.969341  [  136.714895] softirqs last disabled at (0): [<00000000>] 0x0
 4993 10:58:22.969459  [  136.720486] ---[ end trace cf55c2bf51e529e3 ]---
 4994 10:58:22.969565  [  136.725154] lkdtm: Saturation detected: still saturated
 4995 10:58:23.080500  # [  136.407415] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED
 4996 10:58:23.081088  # [  136.414364] lkdtm: attempting bad refcount_sub_and_test() from saturated
 4997 10:58:23.081446  # [  136.421081] ------------[ cut here ]------------
 4998 10:58:23.081774  # [  136.425854] WARNING: CPU: 2 PID: 3242 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174
 4999 10:58:23.082094  # [  136.434459] refcount_t: underflow; use-after-free.
 5000 10:58:23.123345  # [  136.439261] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine libdes authenc snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev dw_hdmi_imx dw_hdmi imx_ldb etnaviv parallel_display gpu_sched imxdrm imx_ipu_v3
 5001 10:58:23.123902  # [  136.468413] CPU: 2 PID: 3242 Comm: cat Tainted: G      D W         5.10.155-cip21 #1
 5002 10:58:23.124256  # [  136.476164] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 5003 10:58:23.124578  # [  136.482696] Backtrace: 
 5004 10:58:23.124923  # [  136.485174] [<c137e7e8>] (dump_backtrace) from [<c137eba8>] (show_stack+0x20/0x24)
 5005 10:58:23.166323  
 5006 10:58:23.166844  # [  136.492754]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4
 5007 10:58:23.167175  # [  136.498430] [<c137eb88>] (show_stack) from [<c1385d24>] (dump_stack+0xe0/0x100)
 5008 10:58:23.167482  # [  136.505755] [<c1385c44>] (dump_stack) from [<c03566f0>] (__warn+0xfc/0x16c)
 5009 10:58:23.167771  # [  136.512728]  r9:00000009 r8:c086e534 r7:0000001c r6:00000009 r5:c086e534 r4:c1a24c30
 5010 10:58:23.168056  # [  136.520481] [<c03565f4>] (__warn) from [<c137fcc8>] (warn_slowpath_fmt+0x8c/0xa8)
 5011 10:58:23.168331  # [  136.527972]  r7:0000001c r6:c1a24c30 r5:c1a24c6c r4:c6a28000
 5012 10:58:23.209428  # [  136.533648] [<c137fc40>] (warn_slowpath_fmt) from [<c086e534>] (refcount_warn_saturate+0x13c/0x174)
 5013 10:58:23.209985  # [  136.542702]  r9:c1ad0d58 r8:c15e8634 r7:c6a29f60 r6:00000020 r5:c6afb000 r4:c6a28000
 5014 10:58:23.210337  # [  136.550462] [<c086e3f8>] (refcount_warn_saturate) from [<c0c30124>] (__refcount_sub_and_test.constprop.0+0x64/0x6c)
 5015 10:58:23.210666  # [  136.560913] [<c0c300c0>] (__refcount_sub_and_test.constprop.0) from [<c138d148>] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x50/0x88)
 5016 10:58:23.253113  # [  136.572669] [<c138d0f8>] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED) from [<c0c2f028>] (lkdtm_do_action+0x2c/0x4c)
 5017 10:58:23.253637  # [  136.582674]  r4:0000003b
 5018 10:58:23.253960  # [  136.585221] [<c0c2effc>] (lkdtm_do_action) from [<c0c2f528>] (direct_entry+0x120/0x18c)
 5019 10:58:23.254263  # [  136.593241] [<c0c2f408>] (direct_entry) from [<c07f6038>] (full_proxy_write+0x64/0x94)
 5020 10:58:23.254549  # [  136.601167]  r9:c6a29f60 r8:c513d000 r7:00000020 r6:b6e96000 r5:c6851400 r4:c0c2f408
 5021 10:58:23.254831  # [  136.608926] [<c07f5fd4>] (full_proxy_write) from [<c0598ab8>] (vfs_write+0x10c/0x524)
 5022 10:58:23.297353  # [  136.616764]  r9:c07f5fd4 r8:c6a29f60 r7:c2816000 r6:b6e96000 r5:c6851400 r4:00000000
 5023 10:58:23.297904  # [  136.624516] [<c05989ac>] (vfs_write) from [<c059904c>] (ksys_write+0x74/0xec)
 5024 10:58:23.298261  # [  136.631660]  r10:00000004 r9:00000000 r8:00000000 r7:b6e96000 r6:c6a28000 r5:c6851400
 5025 10:58:23.298583  # [  136.639494]  r4:c6851400
 5026 10:58:23.298893  # [  136.642039] [<c0598fd8>] (ksys_write) from [<c05990dc>] (sys_write+0x18/0x1c)
 5027 10:58:23.299200  # [  136.649181]  r9:c6a28000 r8:c03002e4 r7:00000004 r6:b6fdde00 r5:00000020 r4:00000020
 5028 10:58:23.341348  # [  136.656938] [<c05990c4>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 5029 10:58:23.341893  # [  136.664513] Exception stack(0xc6a29fa8 to 0xc6a29ff0)
 5030 10:58:23.342247  # [  136.669576] 9fa0:                   00000020 00000020 00000001 b6e96000 00000020 00000000
 5031 10:58:23.342574  # [  136.677764] 9fc0: 00000020 00000020 b6fdde00 00000004 00000001 00000000 00020000 bedb8a54
 5032 10:58:23.342885  # [  136.685946] 9fe0: 00000004 bedb8788 b6f484cf b6ece7e6
 5033 10:58:23.343190  # [  136.691062] irq event stamp: 0
 5034 10:58:23.343488  # [  136.694158] hardirqs last  enabled at (0): [<00000000>] 0x0
 5035 10:58:23.385142  # [  136.699749] hardirqs last disabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 5036 10:58:23.385647  # [  136.707325] softirqs last  enabled at (0): [<c0353ce0>] copy_process+0x5c8/0x194c
 5037 10:58:23.385967  # [  136.714895] softirqs last disabled at (0): [<00000000>] 0x0
 5038 10:58:23.386263  # [  136.720486] ---[ end trace cf55c2bf51e529e3 ]---
 5039 10:58:23.386547  # [  136.725154] lkdtm: Saturation detected: still saturated
 5040 10:58:23.386827  # REFCOUNT_SUB_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok
 5041 10:58:23.387102  ok 58 selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh
 5042 10:58:23.387374  # selftests: lkdtm: REFCOUNT_TIMING.sh
 5043 10:58:23.429204  # Skipping REFCOUNT_TIMING: timing only
 5044 10:58:23.429711  ok 59 selftests: lkdtm: REFCOUNT_TIMING.sh # SKIP
 5045 10:58:23.430035  # selftests: lkdtm: ATOMIC_TIMING.sh
 5046 10:58:23.488091  # Skipping ATOMIC_TIMING: timing only
 5047 10:58:23.503982  ok 60 selftests: lkdtm: ATOMIC_TIMING.sh # SKIP
 5048 10:58:23.519693  # selftests: lkdtm: USERCOPY_HEAP_SIZE_TO.sh
 5049 10:58:23.795157  [  137.557287] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO
 5050 10:58:23.795706  [  137.563397] lkdtm: attempting good copy_to_user of correct size
 5051 10:58:23.796055  [  137.569371] lkdtm: attempting bad copy_to_user of too large size
 5052 10:58:23.923113  # [  137.557287] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO
 5053 10:58:23.923660  # [  137.563397] lkdtm: attempting good copy_to_user of correct size
 5054 10:58:23.924009  # [  137.569371] lkdtm: attempting bad copy_to_user of too large size
 5055 10:58:23.939129  # USERCOPY_HEAP_SIZE_TO: missing 'call trace:': [FAIL]
 5056 10:58:23.968065  not ok 61 selftests: lkdtm: USERCOPY_HEAP_SIZE_TO.sh # exit=1
 5057 10:58:23.983777  # selftests: lkdtm: USERCOPY_HEAP_SIZE_FROM.sh
 5058 10:58:24.258941  [  138.021128] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM
 5059 10:58:24.259208  [  138.027393] lkdtm: attempting good copy_from_user of correct size
 5060 10:58:24.259346  [  138.033711] lkdtm: attempting bad copy_from_user of too large size
 5061 10:58:24.400195  # [  138.021128] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM
 5062 10:58:24.400785  # [  138.027393] lkdtm: attempting good copy_from_user of correct size
 5063 10:58:24.401143  # [  138.033711] lkdtm: attempting bad copy_from_user of too large size
 5064 10:58:24.401474  # USERCOPY_HEAP_SIZE_FROM: missing 'call trace:': [FAIL]
 5065 10:58:24.426071  not ok 62 selftests: lkdtm: USERCOPY_HEAP_SIZE_FROM.sh # exit=1
 5066 10:58:24.442068  # selftests: lkdtm: USERCOPY_HEAP_WHITELIST_TO.sh
 5067 10:58:24.701407  [  138.463613] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO
 5068 10:58:24.701954  [  138.470098] lkdtm: attempting good copy_to_user inside whitelist
 5069 10:58:24.702308  [  138.476318] lkdtm: attempting bad copy_to_user outside whitelist
 5070 10:58:24.829428  # [  138.463613] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO
 5071 10:58:24.829979  # [  138.470098] lkdtm: attempting good copy_to_user inside whitelist
 5072 10:58:24.830336  # [  138.476318] lkdtm: attempting bad copy_to_user outside whitelist
 5073 10:58:24.845363  # USERCOPY_HEAP_WHITELIST_TO: missing 'call trace:': [FAIL]
 5074 10:58:24.872250  not ok 63 selftests: lkdtm: USERCOPY_HEAP_WHITELIST_TO.sh # exit=1
 5075 10:58:24.888268  # selftests: lkdtm: USERCOPY_HEAP_WHITELIST_FROM.sh
 5076 10:58:25.150647  [  138.912823] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM
 5077 10:58:25.151198  [  138.919482] lkdtm: attempting good copy_from_user inside whitelist
 5078 10:58:25.151542  [  138.925881] lkdtm: attempting bad copy_from_user outside whitelist
 5079 10:58:25.291556  # [  138.912823] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM
 5080 10:58:25.292088  # [  138.919482] lkdtm: attempting good copy_from_user inside whitelist
 5081 10:58:25.292431  # [  138.925881] lkdtm: attempting bad copy_from_user outside whitelist
 5082 10:58:25.292788  # USERCOPY_HEAP_WHITELIST_FROM: missing 'call trace:': [FAIL]
 5083 10:58:25.315510  not ok 64 selftests: lkdtm: USERCOPY_HEAP_WHITELIST_FROM.sh # exit=1
 5084 10:58:25.331457  # selftests: lkdtm: USERCOPY_STACK_FRAME_TO.sh
 5085 10:58:25.616721  [  139.368363] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO
 5086 10:58:25.617274  [  139.374635] lkdtm: good_stack: c6bdde0c-c6bdde2c
 5087 10:58:25.617626  [  139.379270] lkdtm: bad_stack : c6bddd84-c6bddda4
 5088 10:58:25.617953  [  139.384029] lkdtm: attempting good copy_to_user of local stack
 5089 10:58:25.618262  [  139.389938] lkdtm: attempting bad copy_to_user of distant stack
 5090 10:58:25.755692  # [  139.368363] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO
 5091 10:58:25.756254  # [  139.374635] lkdtm: good_stack: c6bdde0c-c6bdde2c
 5092 10:58:25.756610  # [  139.379270] lkdtm: bad_stack : c6bddd84-c6bddda4
 5093 10:58:25.756967  # [  139.384029] lkdtm: attempting good copy_to_user of local stack
 5094 10:58:25.757290  # [  139.389938] lkdtm: attempting bad copy_to_user of distant stack
 5095 10:58:25.757600  # USERCOPY_STACK_FRAME_TO: missing 'call trace:': [FAIL]
 5096 10:58:25.781394  not ok 65 selftests: lkdtm: USERCOPY_STACK_FRAME_TO.sh # exit=1
 5097 10:58:25.797614  # selftests: lkdtm: USERCOPY_STACK_FRAME_FROM.sh
 5098 10:58:26.089904  [  139.842233] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM
 5099 10:58:26.090468  [  139.848617] lkdtm: good_stack: c581de0c-c581de2c
 5100 10:58:26.090831  [  139.853351] lkdtm: bad_stack : c581dd84-c581dda4
 5101 10:58:26.091163  [  139.858001] lkdtm: attempting good copy_from_user of local stack
 5102 10:58:26.091484  [  139.864118] lkdtm: attempting bad copy_from_user of distant stack
 5103 10:58:26.235437  # [  139.842233] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM
 5104 10:58:26.235994  # [  139.848617] lkdtm: good_stack: c581de0c-c581de2c
 5105 10:58:26.236351  # [  139.853351] lkdtm: bad_stack : c581dd84-c581dda4
 5106 10:58:26.236705  # [  139.858001] lkdtm: attempting good copy_from_user of local stack
 5107 10:58:26.237032  # [  139.864118] lkdtm: attempting bad copy_from_user of distant stack
 5108 10:58:26.237346  # USERCOPY_STACK_FRAME_FROM: missing 'call trace:': [FAIL]
 5109 10:58:26.263603  not ok 66 selftests: lkdtm: USERCOPY_STACK_FRAME_FROM.sh # exit=1
 5110 10:58:26.279633  # selftests: lkdtm: USERCOPY_STACK_BEYOND.sh
 5111 10:58:26.555824  [  140.308182] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND
 5112 10:58:26.556341  [  140.314316] lkdtm: good_stack: c5c6de0c-c5c6de2c
 5113 10:58:26.556692  [  140.318948] lkdtm: bad_stack : c5c6dffc-c5c6e01c
 5114 10:58:26.557003  [  140.323714] lkdtm: attempting good copy_to_user of local stack
 5115 10:58:26.557324  [  140.329624] lkdtm: attempting bad copy_to_user of distant stack
 5116 10:58:26.695838  # [  140.308182] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND
 5117 10:58:26.696396  # [  140.314316] lkdtm: good_stack: c5c6de0c-c5c6de2c
 5118 10:58:26.696785  # [  140.318948] lkdtm: bad_stack : c5c6dffc-c5c6e01c
 5119 10:58:26.697116  # [  140.323714] lkdtm: attempting good copy_to_user of local stack
 5120 10:58:26.697434  # [  140.329624] lkdtm: attempting bad copy_to_user of distant stack
 5121 10:58:26.697741  # USERCOPY_STACK_BEYOND: missing 'call trace:': [FAIL]
 5122 10:58:26.720507  not ok 67 selftests: lkdtm: USERCOPY_STACK_BEYOND.sh # exit=1
 5123 10:58:26.736526  # selftests: lkdtm: USERCOPY_KERNEL.sh
 5124 10:58:27.013085  [  140.768093] lkdtm: Performing direct entry USERCOPY_KERNEL
 5125 10:58:27.013640  [  140.773692] lkdtm: attempting good copy_to_user from kernel rodata: c15e88e0
 5126 10:58:27.013999  [  140.780795] lkdtm: attempting bad copy_to_user from kernel text: c053a2ec
 5127 10:58:27.014332  [  140.787688] lkdtm: FAIL: survived bad copy_to_user()
 5128 10:58:27.155005  # [  140.768093] lkdtm: Performing direct entry USERCOPY_KERNEL
 5129 10:58:27.155562  # [  140.773692] lkdtm: attempting good copy_to_user from kernel rodata: c15e88e0
 5130 10:58:27.155925  # [  140.780795] lkdtm: attempting bad copy_to_user from kernel text: c053a2ec
 5131 10:58:27.156260  # [  140.787688] lkdtm: FAIL: survived bad copy_to_user()
 5132 10:58:27.156581  # USERCOPY_KERNEL: missing 'call trace:': [FAIL]
 5133 10:58:27.171025  not ok 68 selftests: lkdtm: USERCOPY_KERNEL.sh # exit=1
 5134 10:58:27.186731  # selftests: lkdtm: STACKLEAK_ERASING.sh
 5135 10:58:27.485934  [  141.235271] lkdtm: Performing direct entry STACKLEAK_ERASING
 5136 10:58:27.486124  [  141.240951] lkdtm: checking unused part of the thread stack (7732 bytes)...
 5137 10:58:27.486215  [  141.248142] lkdtm: FAIL: the erased part is not found (checked 7732 bytes)
 5138 10:58:27.486297  [  141.255228] lkdtm: FAIL: the thread stack is NOT properly erased
 5139 10:58:27.486378  [  141.261304] CPU: 1 PID: 3607 Comm: cat Tainted: G      D W         5.10.155-cip21 #1
 5140 10:58:27.486460  [  141.269067] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 5141 10:58:27.486538  [  141.275619] Backtrace: 
 5142 10:58:27.529504  [  141.278145] [<c137e7e8>] (dump_backtrace) from [<c137eba8>] (show_stack+0x20/0x24)
 5143 10:58:27.529760  [  141.285753]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4
 5144 10:58:27.529906  [  141.291461] [<c137eb88>] (show_stack) from [<c1385d24>] (dump_stack+0xe0/0x100)
 5145 10:58:27.530041  [  141.298817] [<c1385c44>] (dump_stack) from [<c138d430>] (lkdtm_STACKLEAK_ERASING+0x148/0x174)
 5146 10:58:27.530169  [  141.307376]  r9:c1ad0e60 r8:c15e8634 r7:c6a51f60 r6:c6a51e34 r5:c6a50000 r4:0000078d
 5147 10:58:27.572947  [  141.315169] [<c138d2e8>] (lkdtm_STACKLEAK_ERASING) from [<c0c2f028>] (lkdtm_do_action+0x2c/0x4c)
 5148 10:58:27.573270  [  141.323986]  r8:c15e8634 r7:c6a51f60 r6:00000012 r5:c5d32000 r4:00000046
 5149 10:58:27.573462  [  141.330728] [<c0c2effc>] (lkdtm_do_action) from [<c0c2f528>] (direct_entry+0x120/0x18c)
 5150 10:58:27.573639  [  141.338776] [<c0c2f408>] (direct_entry) from [<c07f6038>] (full_proxy_write+0x64/0x94)
 5151 10:58:27.573800  [  141.346728]  r9:c6a51f60 r8:c513d000 r7:00000012 r6:b6e17000 r5:c5ab1900 r4:c0c2f408
 5152 10:58:27.573959  [  141.354514] [<c07f5fd4>] (full_proxy_write) from [<c0598ab8>] (vfs_write+0x10c/0x524)
 5153 10:58:27.616533  [  141.362376]  r9:c07f5fd4 r8:c6a51f60 r7:c2816000 r6:b6e17000 r5:c5ab1900 r4:00000000
 5154 10:58:27.617122  [  141.370159] [<c05989ac>] (vfs_write) from [<c059904c>] (ksys_write+0x74/0xec)
 5155 10:58:27.617483  [  141.377327]  r10:00000004 r9:00000000 r8:00000000 r7:b6e17000 r6:c6a50000 r5:c5ab1900
 5156 10:58:27.617815  [  141.385178]  r4:c5ab1900
 5157 10:58:27.618137  [  141.387746] [<c0598fd8>] (ksys_write) from [<c05990dc>] (sys_write+0x18/0x1c)
 5158 10:58:27.618450  [  141.394914]  r9:c6a50000 r8:c03002e4 r7:00000004 r6:b6f5ee00 r5:00000012 r4:00000012
 5159 10:58:27.618754  [  141.402695] [<c05990c4>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 5160 10:58:27.652916  [  141.410290] Exception stack(0xc6a51fa8 to 0xc6a51ff0)
 5161 10:58:27.653475  [  141.415377] 1fa0:                   00000012 00000012 00000001 b6e17000 00000012 00000000
 5162 10:58:27.653839  [  141.423591] 1fc0: 00000012 00000012 b6f5ee00 00000004 00000001 00000000 00020000 be863a54
 5163 10:58:27.654174  [  141.431795] 1fe0: 00000004 be863788 b6ec94cf b6e4f7e6
 5164 10:58:27.792052  # [  141.235271] lkdtm: Performing direct entry STACKLEAK_ERASING
 5165 10:58:27.792609  # [  141.240951] lkdtm: checking unused part of the thread stack (7732 bytes)...
 5166 10:58:27.793026  # [  141.248142] lkdtm: FAIL: the erased part is not found (checked 7732 bytes)
 5167 10:58:27.793362  # [  141.255228] lkdtm: FAIL: the thread stack is NOT properly erased
 5168 10:58:27.793682  # [  141.261304] CPU: 1 PID: 3607 Comm: cat Tainted: G      D W         5.10.155-cip21 #1
 5169 10:58:27.793995  # [  141.269067] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
 5170 10:58:27.794300  # [  141.275619] Backtrace: 
 5171 10:58:27.834971  # [  141.278145] [<c137e7e8>] (dump_backtrace) from [<c137eba8>] (show_stack+0x20/0x24)
 5172 10:58:27.835530  # [  141.285753]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0f7b4
 5173 10:58:27.835891  # [  141.291461] [<c137eb88>] (show_stack) from [<c1385d24>] (dump_stack+0xe0/0x100)
 5174 10:58:27.836226  # [  141.298817] [<c1385c44>] (dump_stack) from [<c138d430>] (lkdtm_STACKLEAK_ERASING+0x148/0x174)
 5175 10:58:27.836549  # [  141.307376]  r9:c1ad0e60 r8:c15e8634 r7:c6a51f60 r6:c6a51e34 r5:c6a50000 r4:0000078d
 5176 10:58:27.877840  # [  141.315169] [<c138d2e8>] (lkdtm_STACKLEAK_ERASING) from [<c0c2f028>] (lkdtm_do_action+0x2c/0x4c)
 5177 10:58:27.878357  # [  141.323986]  r8:c15e8634 r7:c6a51f60 r6:00000012 r5:c5d32000 r4:00000046
 5178 10:58:27.878687  # [  141.330728] [<c0c2effc>] (lkdtm_do_action) from [<c0c2f528>] (direct_entry+0x120/0x18c)
 5179 10:58:27.878996  # [  141.338776] [<c0c2f408>] (direct_entry) from [<c07f6038>] (full_proxy_write+0x64/0x94)
 5180 10:58:27.879293  # [  141.346728]  r9:c6a51f60 r8:c513d000 r7:00000012 r6:b6e17000 r5:c5ab1900 r4:c0c2f408
 5181 10:58:27.879580  # [  141.354514] [<c07f5fd4>] (full_proxy_write) from [<c0598ab8>] (vfs_write+0x10c/0x524)
 5182 10:58:27.921036  # [  141.362376]  r9:c07f5fd4 r8:c6a51f60 r7:c2816000 r6:b6e17000 r5:c5ab1900 r4:00000000
 5183 10:58:27.921556  # [  141.370159] [<c05989ac>] (vfs_write) from [<c059904c>] (ksys_write+0x74/0xec)
 5184 10:58:27.921890  # [  141.377327]  r10:00000004 r9:00000000 r8:00000000 r7:b6e17000 r6:c6a50000 r5:c5ab1900
 5185 10:58:27.922194  # [  141.385178]  r4:c5ab1900
 5186 10:58:27.922485  # [  141.387746] [<c0598fd8>] (ksys_write) from [<c05990dc>] (sys_write+0x18/0x1c)
 5187 10:58:27.922773  # [  141.394914]  r9:c6a50000 r8:c03002e4 r7:00000004 r6:b6f5ee00 r5:00000012 r4:00000012
 5188 10:58:27.963903  # [  141.402695] [<c05990c4>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 5189 10:58:27.964422  # [  141.410290] Exception stack(0xc6a51fa8 to 0xc6a51ff0)
 5190 10:58:27.964782  # [  141.415377] 1fa0:                   00000012 00000012 00000001 b6e17000 00000012 00000000
 5191 10:58:27.965094  # [  141.423591] 1fc0: 00000012 00000012 b6f5ee00 00000004 00000001 00000000 00020000 be863a54
 5192 10:58:27.965387  # [  141.431795] 1fe0: 00000004 be863788 b6ec94cf b6e4f7e6
 5193 10:58:27.965672  # STACKLEAK_ERASING: missing 'OK: the rest of the thread stack is properly erased': [FAIL]
 5194 10:58:27.965952  not ok 69 selftests: lkdtm: STACKLEAK_ERASING.sh # exit=1
 5195 10:58:27.978914  # selftests: lkdtm: CFI_FORWARD_PROTO.sh
 5196 10:58:28.131210  [  141.887795] lkdtm: Performing direct entry CFI_FORWARD_PROTO
 5197 10:58:28.131732  [  141.893558] lkdtm: Calling matched prototype ...
 5198 10:58:28.132062  [  141.898191] lkdtm: Calling mismatched prototype ...
 5199 10:58:28.132364  [  141.903197] lkdtm: Fail: survived mismatched prototype function call!
 5200 10:58:28.273933  # [  141.887795] lkdtm: Performing direct entry CFI_FORWARD_PROTO
 5201 10:58:28.274488  # [  141.893558] lkdtm: Calling matched prototype ...
 5202 10:58:28.274845  # [  141.898191] lkdtm: Calling mismatched prototype ...
 5203 10:58:28.275174  # [  141.903197] lkdtm: Fail: survived mismatched prototype function call!
 5204 10:58:28.275495  # CFI_FORWARD_PROTO: missing 'call trace:': [FAIL]
 5205 10:58:28.289862  not ok 70 selftests: lkdtm: CFI_FORWARD_PROTO.sh # exit=1
 5206 10:58:28.353600  + ../../utils/send-to-lava.sh ./output/result.txt
 5207 10:58:28.545238  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=breakpoints:step_after_suspend_test RESULT=skip>
 5208 10:58:28.547253  Received signal: <TESTCASE> TEST_CASE_ID=breakpoints:step_after_suspend_test RESULT=skip
 5210 10:58:28.684923  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=ftrace:ftracetest RESULT=skip>
 5211 10:58:28.685879  Received signal: <TESTCASE> TEST_CASE_ID=ftrace:ftracetest RESULT=skip
 5213 10:58:28.822946  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=net:rtnetlink.sh RESULT=skip>
 5214 10:58:28.823756  Received signal: <TESTCASE> TEST_CASE_ID=net:rtnetlink.sh RESULT=skip
 5216 10:58:28.966666  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=net:tls RESULT=skip>
 5217 10:58:28.967439  Received signal: <TESTCASE> TEST_CASE_ID=net:tls RESULT=skip
 5219 10:58:29.120147  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=netfilter:bridge_brouter.sh RESULT=skip>
 5220 10:58:29.120988  Received signal: <TESTCASE> TEST_CASE_ID=netfilter:bridge_brouter.sh RESULT=skip
 5222 10:58:29.268864  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=netfilter:nft_flowtable.sh RESULT=skip>
 5223 10:58:29.269668  Received signal: <TESTCASE> TEST_CASE_ID=netfilter:nft_flowtable.sh RESULT=skip
 5225 10:58:29.417650  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=netfilter:nft_trans_stress.sh RESULT=skip>
 5226 10:58:29.418459  Received signal: <TESTCASE> TEST_CASE_ID=netfilter:nft_trans_stress.sh RESULT=skip
 5228 10:58:29.561374  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=pidfd:pidfd_wait RESULT=skip>
 5229 10:58:29.562182  Received signal: <TESTCASE> TEST_CASE_ID=pidfd:pidfd_wait RESULT=skip
 5231 10:58:29.704052  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm.PANIC.sh RESULT=skip>
 5232 10:58:29.704856  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm.PANIC.sh RESULT=skip
 5234 10:58:29.840823  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm.BUG.sh RESULT=pass>
 5235 10:58:29.841621  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm.BUG.sh RESULT=pass
 5237 10:58:29.980540  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm.WARNING.sh RESULT=pass>
 5238 10:58:29.981373  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm.WARNING.sh RESULT=pass
 5240 10:58:30.119290  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm.WARNING_MESSAGE.sh RESULT=pass>
 5241 10:58:30.120108  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm.WARNING_MESSAGE.sh RESULT=pass
 5243 10:58:30.259017  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm.EXCEPTION.sh RESULT=fail>
 5244 10:58:30.259833  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm.EXCEPTION.sh RESULT=fail
 5246 10:58:30.397922  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm.LOOP.sh RESULT=skip>
 5247 10:58:30.398734  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm.LOOP.sh RESULT=skip
 5249 10:58:30.537493  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm.EXHAUST_STACK.sh RESULT=skip>
 5250 10:58:30.538294  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm.EXHAUST_STACK.sh RESULT=skip
 5252 10:58:30.676222  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm.CORRUPT_STACK.sh RESULT=skip>
 5253 10:58:30.677027  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm.CORRUPT_STACK.sh RESULT=skip
 5255 10:58:30.814991  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm.CORRUPT_STACK_STRONG.sh RESULT=skip>
 5256 10:58:30.815806  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm.CORRUPT_STACK_STRONG.sh RESULT=skip
 5258 10:58:30.965748  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm.CORRUPT_LIST_ADD.sh RESULT=fail>
 5259 10:58:30.966574  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm.CORRUPT_LIST_ADD.sh RESULT=fail
 5261 10:58:31.103638  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm.CORRUPT_LIST_DEL.sh RESULT=fail>
 5262 10:58:31.104445  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm.CORRUPT_LIST_DEL.sh RESULT=fail
 5264 10:58:31.254286  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm.STACK_GUARD_PAGE_LEADING.sh RESULT=fail>
 5265 10:58:31.255113  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm.STACK_GUARD_PAGE_LEADING.sh RESULT=fail
 5267 10:58:31.395882  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm.STACK_GUARD_PAGE_TRAILING.sh RESULT=fail>
 5268 10:58:31.396725  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm.STACK_GUARD_PAGE_TRAILING.sh RESULT=fail
 5270 10:58:31.535610  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm.UNSET_SMEP.sh RESULT=skip>
 5271 10:58:31.536431  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm.UNSET_SMEP.sh RESULT=skip
 5273 10:58:31.674267  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm.DOUBLE_FAULT.sh RESULT=skip>
 5274 10:58:31.675070  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm.DOUBLE_FAULT.sh RESULT=skip
 5276 10:58:31.811040  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm.CORRUPT_PAC.sh RESULT=skip>
 5277 10:58:31.811856  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm.CORRUPT_PAC.sh RESULT=skip
 5279 10:58:31.948807  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm.UNALIGNED_LOAD_STORE_WRITE.sh RESULT=skip>
 5280 10:58:31.949623  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm.UNALIGNED_LOAD_STORE_WRITE.sh RESULT=skip
 5282 10:58:32.083351  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm.OVERWRITE_ALLOCATION.sh RESULT=skip>
 5283 10:58:32.084129  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm.OVERWRITE_ALLOCATION.sh RESULT=skip
 5285 10:58:32.216194  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm.WRITE_AFTER_FREE.sh RESULT=skip>
 5286 10:58:32.217033  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm.WRITE_AFTER_FREE.sh RESULT=skip
 5288 10:58:32.349012  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm.READ_AFTER_FREE.sh RESULT=fail>
 5289 10:58:32.349836  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm.READ_AFTER_FREE.sh RESULT=fail
 5291 10:58:32.483692  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm.WRITE_BUDDY_AFTER_FREE.sh RESULT=skip>
 5292 10:58:32.484469  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm.WRITE_BUDDY_AFTER_FREE.sh RESULT=skip
 5294 10:58:32.616349  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm.READ_BUDDY_AFTER_FREE.sh RESULT=fail>
 5295 10:58:32.617181  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm.READ_BUDDY_AFTER_FREE.sh RESULT=fail
 5297 10:58:32.750070  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm.SLAB_FREE_DOUBLE.sh RESULT=fail>
 5298 10:58:32.750872  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm.SLAB_FREE_DOUBLE.sh RESULT=fail
 5300 10:58:32.884914  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm.SLAB_FREE_CROSS.sh RESULT=fail>
 5301 10:58:32.885728  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm.SLAB_FREE_CROSS.sh RESULT=fail
 5303 10:58:33.028638  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm.SLAB_FREE_PAGE.sh RESULT=fail>
 5304 10:58:33.029484  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm.SLAB_FREE_PAGE.sh RESULT=fail
 5306 10:58:33.167440  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm.SOFTLOCKUP.sh RESULT=skip>
 5307 10:58:33.168260  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm.SOFTLOCKUP.sh RESULT=skip
 5309 10:58:33.303105  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm.HARDLOCKUP.sh RESULT=skip>
 5310 10:58:33.303931  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm.HARDLOCKUP.sh RESULT=skip
 5312 10:58:33.430838  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm.SPINLOCKUP.sh RESULT=skip>
 5313 10:58:33.431605  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm.SPINLOCKUP.sh RESULT=skip
 5315 10:58:33.565521  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm.HUNG_TASK.sh RESULT=skip>
 5316 10:58:33.566295  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm.HUNG_TASK.sh RESULT=skip
 5318 10:58:33.699357  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm.EXEC_DATA.sh RESULT=fail>
 5319 10:58:33.700131  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm.EXEC_DATA.sh RESULT=fail
 5321 10:58:33.832066  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm.EXEC_STACK.sh RESULT=fail>
 5322 10:58:33.832842  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm.EXEC_STACK.sh RESULT=fail
 5324 10:58:33.966866  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm.EXEC_KMALLOC.sh RESULT=fail>
 5325 10:58:33.967629  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm.EXEC_KMALLOC.sh RESULT=fail
 5327 10:58:34.099571  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm.EXEC_VMALLOC.sh RESULT=fail>
 5328 10:58:34.100329  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm.EXEC_VMALLOC.sh RESULT=fail
 5330 10:58:34.232344  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm.EXEC_RODATA.sh RESULT=fail>
 5331 10:58:34.233210  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm.EXEC_RODATA.sh RESULT=fail
 5333 10:58:34.360116  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm.EXEC_USERSPACE.sh RESULT=fail>
 5334 10:58:34.360952  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm.EXEC_USERSPACE.sh RESULT=fail
 5336 10:58:34.496817  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm.EXEC_NULL.sh RESULT=fail>
 5337 10:58:34.497581  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm.EXEC_NULL.sh RESULT=fail
 5339 10:58:34.629508  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm.ACCESS_USERSPACE.sh RESULT=fail>
 5340 10:58:34.630270  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm.ACCESS_USERSPACE.sh RESULT=fail
 5342 10:58:34.757271  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm.ACCESS_NULL.sh RESULT=fail>
 5343 10:58:34.758087  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm.ACCESS_NULL.sh RESULT=fail
 5345 10:58:34.896016  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm.WRITE_RO.sh RESULT=fail>
 5346 10:58:34.896838  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm.WRITE_RO.sh RESULT=fail
 5348 10:58:35.031799  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm.WRITE_RO_AFTER_INIT.sh RESULT=fail>
 5349 10:58:35.032610  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm.WRITE_RO_AFTER_INIT.sh RESULT=fail
 5351 10:58:35.167498  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm.WRITE_KERN.sh RESULT=fail>
 5352 10:58:35.168307  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm.WRITE_KERN.sh RESULT=fail
 5354 10:58:35.311549  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm.REFCOUNT_INC_OVERFLOW.sh RESULT=fail>
 5355 10:58:35.312363  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm.REFCOUNT_INC_OVERFLOW.sh RESULT=fail
 5357 10:58:35.455016  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm.REFCOUNT_ADD_OVERFLOW.sh RESULT=fail>
 5358 10:58:35.455815  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm.REFCOUNT_ADD_OVERFLOW.sh RESULT=fail
 5360 10:58:35.588778  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm.REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh RESULT=fail>
 5361 10:58:35.589546  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm.REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh RESULT=fail
 5363 10:58:35.723438  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm.REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh RESULT=fail>
 5364 10:58:35.724227  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm.REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh RESULT=fail
 5366 10:58:35.856193  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm.REFCOUNT_DEC_ZERO.sh RESULT=fail>
 5367 10:58:35.857029  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm.REFCOUNT_DEC_ZERO.sh RESULT=fail
 5369 10:58:35.999961  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm.REFCOUNT_DEC_NEGATIVE.sh RESULT=pass>
 5370 10:58:36.000763  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm.REFCOUNT_DEC_NEGATIVE.sh RESULT=pass
 5372 10:58:36.143578  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm.REFCOUNT_DEC_AND_TEST_NEGATIVE.sh RESULT=pass>
 5373 10:58:36.144359  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm.REFCOUNT_DEC_AND_TEST_NEGATIVE.sh RESULT=pass
 5375 10:58:36.276443  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm.REFCOUNT_SUB_AND_TEST_NEGATIVE.sh RESULT=pass>
 5376 10:58:36.277310  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm.REFCOUNT_SUB_AND_TEST_NEGATIVE.sh RESULT=pass
 5378 10:58:36.413441  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm.REFCOUNT_INC_ZERO.sh RESULT=fail>
 5379 10:58:36.414250  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm.REFCOUNT_INC_ZERO.sh RESULT=fail
 5381 10:58:36.555921  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm.REFCOUNT_ADD_ZERO.sh RESULT=fail>
 5382 10:58:36.556752  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm.REFCOUNT_ADD_ZERO.sh RESULT=fail
 5384 10:58:36.699893  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm.REFCOUNT_INC_SATURATED.sh RESULT=pass>
 5385 10:58:36.700684  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm.REFCOUNT_INC_SATURATED.sh RESULT=pass
 5387 10:58:36.840353  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm.REFCOUNT_DEC_SATURATED.sh RESULT=pass>
 5388 10:58:36.841148  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm.REFCOUNT_DEC_SATURATED.sh RESULT=pass
 5390 10:58:36.973041  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm.REFCOUNT_ADD_SATURATED.sh RESULT=pass>
 5391 10:58:36.973801  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm.REFCOUNT_ADD_SATURATED.sh RESULT=pass
 5393 10:58:37.106017  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm.REFCOUNT_INC_NOT_ZERO_SATURATED.sh RESULT=fail>
 5394 10:58:37.106789  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm.REFCOUNT_INC_NOT_ZERO_SATURATED.sh RESULT=fail
 5396 10:58:37.249445  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm.REFCOUNT_ADD_NOT_ZERO_SATURATED.sh RESULT=fail>
 5397 10:58:37.250229  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm.REFCOUNT_ADD_NOT_ZERO_SATURATED.sh RESULT=fail
 5399 10:58:37.392581  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm.REFCOUNT_DEC_AND_TEST_SATURATED.sh RESULT=pass>
 5400 10:58:37.393423  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm.REFCOUNT_DEC_AND_TEST_SATURATED.sh RESULT=pass
 5402 10:58:37.536018  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm.REFCOUNT_SUB_AND_TEST_SATURATED.sh RESULT=pass>
 5403 10:58:37.536823  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm.REFCOUNT_SUB_AND_TEST_SATURATED.sh RESULT=pass
 5405 10:58:37.671752  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm.REFCOUNT_TIMING.sh RESULT=skip>
 5406 10:58:37.672559  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm.REFCOUNT_TIMING.sh RESULT=skip
 5408 10:58:37.804798  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm.ATOMIC_TIMING.sh RESULT=skip>
 5409 10:58:37.805605  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm.ATOMIC_TIMING.sh RESULT=skip
 5411 10:58:37.948527  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm.USERCOPY_HEAP_SIZE_TO.sh RESULT=fail>
 5412 10:58:37.949385  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm.USERCOPY_HEAP_SIZE_TO.sh RESULT=fail
 5414 10:58:38.091954  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm.USERCOPY_HEAP_SIZE_FROM.sh RESULT=fail>
 5415 10:58:38.092773  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm.USERCOPY_HEAP_SIZE_FROM.sh RESULT=fail
 5417 10:58:38.227671  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm.USERCOPY_HEAP_WHITELIST_TO.sh RESULT=fail>
 5418 10:58:38.228500  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm.USERCOPY_HEAP_WHITELIST_TO.sh RESULT=fail
 5420 10:58:38.360426  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm.USERCOPY_HEAP_WHITELIST_FROM.sh RESULT=fail>
 5421 10:58:38.361274  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm.USERCOPY_HEAP_WHITELIST_FROM.sh RESULT=fail
 5423 10:58:38.494152  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm.USERCOPY_STACK_FRAME_TO.sh RESULT=fail>
 5424 10:58:38.494935  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm.USERCOPY_STACK_FRAME_TO.sh RESULT=fail
 5426 10:58:38.628205  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm.USERCOPY_STACK_FRAME_FROM.sh RESULT=fail>
 5427 10:58:38.629054  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm.USERCOPY_STACK_FRAME_FROM.sh RESULT=fail
 5429 10:58:38.780694  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm.USERCOPY_STACK_BEYOND.sh RESULT=fail>
 5430 10:58:38.781517  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm.USERCOPY_STACK_BEYOND.sh RESULT=fail
 5432 10:58:38.915482  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm.USERCOPY_KERNEL.sh RESULT=fail>
 5433 10:58:38.916304  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm.USERCOPY_KERNEL.sh RESULT=fail
 5435 10:58:39.051353  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm.STACKLEAK_ERASING.sh RESULT=fail>
 5436 10:58:39.052163  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm.STACKLEAK_ERASING.sh RESULT=fail
 5438 10:58:39.200185  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm.CFI_FORWARD_PROTO.sh RESULT=fail>
 5439 10:58:39.200780  + set +x
 5440 10:58:39.201143  <LAVA_SIGNAL_ENDRUN 1_kselftest-lkdtm 8138416_1.6.2.4.5>
 5441 10:58:39.201475  <LAVA_TEST_RUNNER EXIT>
 5442 10:58:39.202051  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm.CFI_FORWARD_PROTO.sh RESULT=fail
 5444 10:58:39.203077  Received signal: <ENDRUN> 1_kselftest-lkdtm 8138416_1.6.2.4.5
 5445 10:58:39.203445  Ending use of test pattern.
 5446 10:58:39.203771  Ending test lava.1_kselftest-lkdtm (8138416_1.6.2.4.5), duration 97.66
 5448 10:58:39.204906  ok: lava_test_shell seems to have completed
 5449 10:58:39.207160  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.sh: skip
lkdtm.CORRUPT_STACK_STRONG.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.sh: pass
lkdtm.WARNING_MESSAGE.sh: pass
lkdtm.WRITE_AFTER_FREE.sh: skip
lkdtm.WRITE_BUDDY_AFTER_FREE.sh: skip
lkdtm.WRITE_KERN.sh: fail
lkdtm.WRITE_RO.sh: fail
lkdtm.WRITE_RO_AFTER_INIT.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

 5450 10:58:39.207283  end: 3.1 lava-test-shell (duration 00:01:40) [common]
 5451 10:58:39.207373  end: 3 lava-test-retry (duration 00:01:40) [common]
 5452 10:58:39.207464  start: 4 finalize (timeout 00:06:05) [common]
 5453 10:58:39.207558  start: 4.1 power-off (timeout 00:00:30) [common]
 5454 10:58:39.207693  Calling: 'nice' 'pduclient' '--daemon=localhost' '--hostname=eth8020-0' '--port=2' '--command=off'
 5455 10:58:39.226218  >> Command sent successfully.

 5456 10:58:39.228011  Returned 0 in 0 seconds
 5457 10:58:39.329394  end: 4.1 power-off (duration 00:00:00) [common]
 5459 10:58:39.330845  start: 4.2 read-feedback (timeout 00:06:05) [common]
 5460 10:58:39.331927  Listened to connection for namespace 'common' for up to 1s
 5461 10:58:40.336902  Finalising connection for namespace 'common'
 5462 10:58:40.337572  Disconnecting from shell: Finalise
 5463 10:58:40.337977  / # 
 5464 10:58:40.439421  end: 4.2 read-feedback (duration 00:00:01) [common]
 5465 10:58:40.439987  end: 4 finalize (duration 00:00:01) [common]
 5466 10:58:40.440429  Cleaning after the job
 5467 10:58:40.440846  Cleaning up download directory: /var/lib/lava/dispatcher/tmp/8138416/tftp-deploy-wk2o7r1i/ramdisk
 5468 10:58:40.443866  Cleaning up download directory: /var/lib/lava/dispatcher/tmp/8138416/tftp-deploy-wk2o7r1i/kernel
 5469 10:58:40.444675  Cleaning up download directory: /var/lib/lava/dispatcher/tmp/8138416/tftp-deploy-wk2o7r1i/dtb
 5470 10:58:40.444783  Cleaning up download directory: /var/lib/lava/dispatcher/tmp/8138416/tftp-deploy-wk2o7r1i/nfsrootfs
 5471 10:58:40.478643  Cleaning up download directory: /var/lib/lava/dispatcher/tmp/8138416/tftp-deploy-wk2o7r1i/modules
 5472 10:58:40.480876  Override tmp directory removed at /var/lib/lava/dispatcher/tmp/8138416
 5473 10:58:40.661814  Root tmp directory removed at /var/lib/lava/dispatcher/tmp/8138416
 5474 10:58:40.662017  Job finished correctly