Boot log: imx6q-sabrelite

    1 22:36:16.002209  lava-dispatcher, installed at version: 2023.10
    2 22:36:16.002369  start: 0 validate
    3 22:36:16.002474  Start time: 2023-11-28 22:36:16.002468+00:00 (UTC)
    4 22:36:16.002571  Using caching service: 'http://localhost/cache/?uri=%s'
    5 22:36:16.002689  Validating that http://localhost/cache/?uri=http%3A%2F%2Fstorage.kernelci.org%2Fimages%2Frootfs%2Fdebian%2Fbullseye-kselftest%2F20230623.0%2Farmhf%2Finitrd.cpio.gz exists
    6 22:36:16.254246  Using caching service: 'http://localhost/cache/?uri=%s'
    7 22:36:16.254875  Validating that http://localhost/cache/?uri=http%3A%2F%2Fstorage.kernelci.org%2Fcip-gitlab%2Fci-iwamatsu-linux-5.10.y-cip-rc%2Fv5.10.201-cip41-197-g2d08925b44e52%2Farm%2Fmulti_v7_defconfig%2Bkselftest%2Fgcc-10%2Fkernel%2FzImage exists
    8 22:36:24.278378  Using caching service: 'http://localhost/cache/?uri=%s'
    9 22:36:24.278966  Validating that http://localhost/cache/?uri=http%3A%2F%2Fstorage.kernelci.org%2Fcip-gitlab%2Fci-iwamatsu-linux-5.10.y-cip-rc%2Fv5.10.201-cip41-197-g2d08925b44e52%2Farm%2Fmulti_v7_defconfig%2Bkselftest%2Fgcc-10%2Fdtbs%2Fimx6q-sabrelite.dtb exists
   10 22:36:24.780080  Using caching service: 'http://localhost/cache/?uri=%s'
   11 22:36:24.780620  Validating that http://localhost/cache/?uri=http%3A%2F%2Fstorage.kernelci.org%2Fimages%2Frootfs%2Fdebian%2Fbullseye-kselftest%2F20230623.0%2Farmhf%2Ffull.rootfs.tar.xz exists
   12 22:36:25.048704  Using caching service: 'http://localhost/cache/?uri=%s'
   13 22:36:25.049267  Validating that http://localhost/cache/?uri=http%3A%2F%2Fstorage.kernelci.org%2Fcip-gitlab%2Fci-iwamatsu-linux-5.10.y-cip-rc%2Fv5.10.201-cip41-197-g2d08925b44e52%2Farm%2Fmulti_v7_defconfig%2Bkselftest%2Fgcc-10%2Fmodules.tar.xz exists
   14 22:36:28.060660  validate duration: 12.06
   16 22:36:28.060886  start: 1 tftp-deploy (timeout 00:10:00) [common]
   17 22:36:28.060969  start: 1.1 download-retry (timeout 00:10:00) [common]
   18 22:36:28.061040  start: 1.1.1 http-download (timeout 00:10:00) [common]
   19 22:36:28.061152  Not decompressing ramdisk as can be used compressed.
   20 22:36:28.061226  downloading http://storage.kernelci.org/images/rootfs/debian/bullseye-kselftest/20230623.0/armhf/initrd.cpio.gz
   21 22:36:28.061281  saving as /var/lib/lava/dispatcher/tmp/12110040/tftp-deploy-wixix1a8/ramdisk/initrd.cpio.gz
   22 22:36:28.061334  total size: 4021292 (3 MB)
   23 22:36:28.320348  progress   0 % (0 MB)
   24 22:36:28.324635  progress   5 % (0 MB)
   25 22:36:28.328450  progress  10 % (0 MB)
   26 22:36:28.331681  progress  15 % (0 MB)
   27 22:36:28.334778  progress  20 % (0 MB)
   28 22:36:28.337288  progress  25 % (0 MB)
   29 22:36:28.339319  progress  30 % (1 MB)
   30 22:36:28.341020  progress  35 % (1 MB)
   31 22:36:28.342502  progress  40 % (1 MB)
   32 22:36:28.343668  progress  45 % (1 MB)
   33 22:36:28.344696  progress  50 % (1 MB)
   34 22:36:28.345459  progress  55 % (2 MB)
   35 22:36:28.346227  progress  60 % (2 MB)
   36 22:36:28.346996  progress  65 % (2 MB)
   37 22:36:28.347745  progress  70 % (2 MB)
   38 22:36:28.348585  progress  75 % (2 MB)
   39 22:36:28.349315  progress  80 % (3 MB)
   40 22:36:28.350065  progress  85 % (3 MB)
   41 22:36:28.350790  progress  90 % (3 MB)
   42 22:36:28.351518  progress  95 % (3 MB)
   43 22:36:28.352266  progress 100 % (3 MB)
   44 22:36:28.352414  3 MB downloaded in 0.29 s (13.18 MB/s)
   45 22:36:28.352544  end: 1.1.1 http-download (duration 00:00:00) [common]
   47 22:36:28.352744  end: 1.1 download-retry (duration 00:00:00) [common]
   48 22:36:28.352812  start: 1.2 download-retry (timeout 00:10:00) [common]
   49 22:36:28.352877  start: 1.2.1 http-download (timeout 00:10:00) [common]
   50 22:36:28.352991  downloading http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.201-cip41-197-g2d08925b44e52/arm/multi_v7_defconfig+kselftest/gcc-10/kernel/zImage
   51 22:36:28.353047  saving as /var/lib/lava/dispatcher/tmp/12110040/tftp-deploy-wixix1a8/kernel/zImage
   52 22:36:28.353094  total size: 12546560 (11 MB)
   53 22:36:28.353142  No compression specified
   54 22:36:28.601930  progress   0 % (0 MB)
   55 22:36:28.604406  progress   5 % (0 MB)
   56 22:36:28.606700  progress  10 % (1 MB)
   57 22:36:28.608963  progress  15 % (1 MB)
   58 22:36:28.611220  progress  20 % (2 MB)
   59 22:36:28.613481  progress  25 % (3 MB)
   60 22:36:28.615779  progress  30 % (3 MB)
   61 22:36:28.618150  progress  35 % (4 MB)
   62 22:36:28.620488  progress  40 % (4 MB)
   63 22:36:28.622744  progress  45 % (5 MB)
   64 22:36:28.624969  progress  50 % (6 MB)
   65 22:36:28.627220  progress  55 % (6 MB)
   66 22:36:28.629459  progress  60 % (7 MB)
   67 22:36:28.631722  progress  65 % (7 MB)
   68 22:36:28.634091  progress  70 % (8 MB)
   69 22:36:28.636285  progress  75 % (9 MB)
   70 22:36:28.638506  progress  80 % (9 MB)
   71 22:36:28.640686  progress  85 % (10 MB)
   72 22:36:28.642902  progress  90 % (10 MB)
   73 22:36:28.645080  progress  95 % (11 MB)
   74 22:36:28.647297  progress 100 % (11 MB)
   75 22:36:28.647475  11 MB downloaded in 0.29 s (40.65 MB/s)
   76 22:36:28.647612  end: 1.2.1 http-download (duration 00:00:00) [common]
   78 22:36:28.647809  end: 1.2 download-retry (duration 00:00:00) [common]
   79 22:36:28.647880  start: 1.3 download-retry (timeout 00:09:59) [common]
   80 22:36:28.647955  start: 1.3.1 http-download (timeout 00:09:59) [common]
   81 22:36:28.648079  downloading http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.201-cip41-197-g2d08925b44e52/arm/multi_v7_defconfig+kselftest/gcc-10/dtbs/imx6q-sabrelite.dtb
   82 22:36:28.648136  saving as /var/lib/lava/dispatcher/tmp/12110040/tftp-deploy-wixix1a8/dtb/imx6q-sabrelite.dtb
   83 22:36:28.648189  total size: 42661 (0 MB)
   84 22:36:28.648236  No compression specified
   85 22:36:28.649254  progress  76 % (0 MB)
   86 22:36:28.649495  progress 100 % (0 MB)
   87 22:36:28.649606  0 MB downloaded in 0.00 s (28.77 MB/s)
   88 22:36:28.649728  end: 1.3.1 http-download (duration 00:00:00) [common]
   90 22:36:28.649917  end: 1.3 download-retry (duration 00:00:00) [common]
   91 22:36:28.649987  start: 1.4 download-retry (timeout 00:09:59) [common]
   92 22:36:28.650051  start: 1.4.1 http-download (timeout 00:09:59) [common]
   93 22:36:28.650147  downloading http://storage.kernelci.org/images/rootfs/debian/bullseye-kselftest/20230623.0/armhf/full.rootfs.tar.xz
   94 22:36:28.650206  saving as /var/lib/lava/dispatcher/tmp/12110040/tftp-deploy-wixix1a8/nfsrootfs/full.rootfs.tar
   95 22:36:28.650255  total size: 195825140 (186 MB)
   96 22:36:28.650304  Using unxz to decompress xz
   97 22:36:28.653724  progress   0 % (0 MB)
   98 22:36:29.124347  progress   5 % (9 MB)
   99 22:36:29.571140  progress  10 % (18 MB)
  100 22:36:30.064387  progress  15 % (28 MB)
  101 22:36:30.409598  progress  20 % (37 MB)
  102 22:36:30.667829  progress  25 % (46 MB)
  103 22:36:31.156085  progress  30 % (56 MB)
  104 22:36:31.633817  progress  35 % (65 MB)
  105 22:36:32.120632  progress  40 % (74 MB)
  106 22:36:32.602665  progress  45 % (84 MB)
  107 22:36:33.091045  progress  50 % (93 MB)
  108 22:36:33.626700  progress  55 % (102 MB)
  109 22:36:34.206399  progress  60 % (112 MB)
  110 22:36:34.313096  progress  65 % (121 MB)
  111 22:36:34.443986  progress  70 % (130 MB)
  112 22:36:34.518429  progress  75 % (140 MB)
  113 22:36:34.573492  progress  80 % (149 MB)
  114 22:36:34.626825  progress  85 % (158 MB)
  115 22:36:34.708021  progress  90 % (168 MB)
  116 22:36:34.955870  progress  95 % (177 MB)
  117 22:36:35.454664  progress 100 % (186 MB)
  118 22:36:35.459032  186 MB downloaded in 6.81 s (27.43 MB/s)
  119 22:36:35.459287  end: 1.4.1 http-download (duration 00:00:07) [common]
  121 22:36:35.459578  end: 1.4 download-retry (duration 00:00:07) [common]
  122 22:36:35.459665  start: 1.5 download-retry (timeout 00:09:53) [common]
  123 22:36:35.459752  start: 1.5.1 http-download (timeout 00:09:53) [common]
  124 22:36:35.459911  downloading http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.201-cip41-197-g2d08925b44e52/arm/multi_v7_defconfig+kselftest/gcc-10/modules.tar.xz
  125 22:36:35.459978  saving as /var/lib/lava/dispatcher/tmp/12110040/tftp-deploy-wixix1a8/modules/modules.tar
  126 22:36:35.460044  total size: 7392788 (7 MB)
  127 22:36:35.460113  Using unxz to decompress xz
  128 22:36:35.463647  progress   0 % (0 MB)
  129 22:36:35.478764  progress   5 % (0 MB)
  130 22:36:35.495956  progress  10 % (0 MB)
  131 22:36:35.513882  progress  15 % (1 MB)
  132 22:36:35.533701  progress  20 % (1 MB)
  133 22:36:35.552752  progress  25 % (1 MB)
  134 22:36:35.572188  progress  30 % (2 MB)
  135 22:36:35.592703  progress  35 % (2 MB)
  136 22:36:35.612879  progress  40 % (2 MB)
  137 22:36:35.631352  progress  45 % (3 MB)
  138 22:36:35.650091  progress  50 % (3 MB)
  139 22:36:35.670667  progress  55 % (3 MB)
  140 22:36:35.689679  progress  60 % (4 MB)
  141 22:36:35.708573  progress  65 % (4 MB)
  142 22:36:35.727062  progress  70 % (4 MB)
  143 22:36:35.748038  progress  75 % (5 MB)
  144 22:36:35.767007  progress  80 % (5 MB)
  145 22:36:35.786584  progress  85 % (6 MB)
  146 22:36:35.806888  progress  90 % (6 MB)
  147 22:36:35.825967  progress  95 % (6 MB)
  148 22:36:35.844646  progress 100 % (7 MB)
  149 22:36:35.849720  7 MB downloaded in 0.39 s (18.09 MB/s)
  150 22:36:35.849989  end: 1.5.1 http-download (duration 00:00:00) [common]
  152 22:36:35.850258  end: 1.5 download-retry (duration 00:00:00) [common]
  153 22:36:35.850361  start: 1.6 prepare-tftp-overlay (timeout 00:09:52) [common]
  154 22:36:35.850464  start: 1.6.1 extract-nfsrootfs (timeout 00:09:52) [common]
  155 22:36:37.949349  Extracted nfsroot to /var/lib/lava/dispatcher/tmp/12110040/extract-nfsrootfs-ww3wlk5b
  156 22:36:37.949583  end: 1.6.1 extract-nfsrootfs (duration 00:00:02) [common]
  157 22:36:37.949727  start: 1.6.2 lava-overlay (timeout 00:09:50) [common]
  158 22:36:37.949921  [common] Preparing overlay tarball in /var/lib/lava/dispatcher/tmp/12110040/lava-overlay-60qo1ga0
  159 22:36:37.950053  makedir: /var/lib/lava/dispatcher/tmp/12110040/lava-overlay-60qo1ga0/lava-12110040/bin
  160 22:36:37.950155  makedir: /var/lib/lava/dispatcher/tmp/12110040/lava-overlay-60qo1ga0/lava-12110040/tests
  161 22:36:37.950261  makedir: /var/lib/lava/dispatcher/tmp/12110040/lava-overlay-60qo1ga0/lava-12110040/results
  162 22:36:37.950378  Creating /var/lib/lava/dispatcher/tmp/12110040/lava-overlay-60qo1ga0/lava-12110040/bin/lava-add-keys
  163 22:36:37.950516  Creating /var/lib/lava/dispatcher/tmp/12110040/lava-overlay-60qo1ga0/lava-12110040/bin/lava-add-sources
  164 22:36:37.950648  Creating /var/lib/lava/dispatcher/tmp/12110040/lava-overlay-60qo1ga0/lava-12110040/bin/lava-background-process-start
  165 22:36:37.950758  Creating /var/lib/lava/dispatcher/tmp/12110040/lava-overlay-60qo1ga0/lava-12110040/bin/lava-background-process-stop
  166 22:36:37.950868  Creating /var/lib/lava/dispatcher/tmp/12110040/lava-overlay-60qo1ga0/lava-12110040/bin/lava-common-functions
  167 22:36:37.950977  Creating /var/lib/lava/dispatcher/tmp/12110040/lava-overlay-60qo1ga0/lava-12110040/bin/lava-echo-ipv4
  168 22:36:37.951085  Creating /var/lib/lava/dispatcher/tmp/12110040/lava-overlay-60qo1ga0/lava-12110040/bin/lava-install-packages
  169 22:36:37.951192  Creating /var/lib/lava/dispatcher/tmp/12110040/lava-overlay-60qo1ga0/lava-12110040/bin/lava-installed-packages
  170 22:36:37.951299  Creating /var/lib/lava/dispatcher/tmp/12110040/lava-overlay-60qo1ga0/lava-12110040/bin/lava-os-build
  171 22:36:37.951406  Creating /var/lib/lava/dispatcher/tmp/12110040/lava-overlay-60qo1ga0/lava-12110040/bin/lava-probe-channel
  172 22:36:37.951527  Creating /var/lib/lava/dispatcher/tmp/12110040/lava-overlay-60qo1ga0/lava-12110040/bin/lava-probe-ip
  173 22:36:37.951629  Creating /var/lib/lava/dispatcher/tmp/12110040/lava-overlay-60qo1ga0/lava-12110040/bin/lava-target-ip
  174 22:36:37.951730  Creating /var/lib/lava/dispatcher/tmp/12110040/lava-overlay-60qo1ga0/lava-12110040/bin/lava-target-mac
  175 22:36:37.951832  Creating /var/lib/lava/dispatcher/tmp/12110040/lava-overlay-60qo1ga0/lava-12110040/bin/lava-target-storage
  176 22:36:37.951937  Creating /var/lib/lava/dispatcher/tmp/12110040/lava-overlay-60qo1ga0/lava-12110040/bin/lava-test-case
  177 22:36:37.952039  Creating /var/lib/lava/dispatcher/tmp/12110040/lava-overlay-60qo1ga0/lava-12110040/bin/lava-test-event
  178 22:36:37.952140  Creating /var/lib/lava/dispatcher/tmp/12110040/lava-overlay-60qo1ga0/lava-12110040/bin/lava-test-feedback
  179 22:36:37.952242  Creating /var/lib/lava/dispatcher/tmp/12110040/lava-overlay-60qo1ga0/lava-12110040/bin/lava-test-raise
  180 22:36:37.952344  Creating /var/lib/lava/dispatcher/tmp/12110040/lava-overlay-60qo1ga0/lava-12110040/bin/lava-test-reference
  181 22:36:37.952450  Creating /var/lib/lava/dispatcher/tmp/12110040/lava-overlay-60qo1ga0/lava-12110040/bin/lava-test-runner
  182 22:36:37.952551  Creating /var/lib/lava/dispatcher/tmp/12110040/lava-overlay-60qo1ga0/lava-12110040/bin/lava-test-set
  183 22:36:37.952655  Creating /var/lib/lava/dispatcher/tmp/12110040/lava-overlay-60qo1ga0/lava-12110040/bin/lava-test-shell
  184 22:36:37.952760  Updating /var/lib/lava/dispatcher/tmp/12110040/lava-overlay-60qo1ga0/lava-12110040/bin/lava-add-keys (debian)
  185 22:36:37.952896  Updating /var/lib/lava/dispatcher/tmp/12110040/lava-overlay-60qo1ga0/lava-12110040/bin/lava-add-sources (debian)
  186 22:36:37.953017  Updating /var/lib/lava/dispatcher/tmp/12110040/lava-overlay-60qo1ga0/lava-12110040/bin/lava-install-packages (debian)
  187 22:36:37.953134  Updating /var/lib/lava/dispatcher/tmp/12110040/lava-overlay-60qo1ga0/lava-12110040/bin/lava-installed-packages (debian)
  188 22:36:37.953251  Updating /var/lib/lava/dispatcher/tmp/12110040/lava-overlay-60qo1ga0/lava-12110040/bin/lava-os-build (debian)
  189 22:36:37.953351  Creating /var/lib/lava/dispatcher/tmp/12110040/lava-overlay-60qo1ga0/lava-12110040/environment
  190 22:36:37.953438  LAVA metadata
  191 22:36:37.953500  - LAVA_JOB_ID=12110040
  192 22:36:37.953559  - LAVA_DISPATCHER_IP=192.168.201.1
  193 22:36:37.953663  start: 1.6.2.1 ssh-authorize (timeout 00:09:50) [common]
  194 22:36:37.953877  end: 1.6.2.1 ssh-authorize (duration 00:00:00) [common]
  195 22:36:37.953959  start: 1.6.2.2 lava-vland-overlay (timeout 00:09:50) [common]
  196 22:36:37.954016  skipped lava-vland-overlay
  197 22:36:37.954087  end: 1.6.2.2 lava-vland-overlay (duration 00:00:00) [common]
  198 22:36:37.954160  start: 1.6.2.3 lava-multinode-overlay (timeout 00:09:50) [common]
  199 22:36:37.954213  skipped lava-multinode-overlay
  200 22:36:37.954283  end: 1.6.2.3 lava-multinode-overlay (duration 00:00:00) [common]
  201 22:36:37.954354  start: 1.6.2.4 test-definition (timeout 00:09:50) [common]
  202 22:36:37.954420  Loading test definitions
  203 22:36:37.954504  start: 1.6.2.4.1 inline-repo-action (timeout 00:09:50) [common]
  204 22:36:37.954568  Using /lava-12110040 at stage 0
  205 22:36:37.954807  uuid=12110040_1.6.2.4.1 testdef=None
  206 22:36:37.954882  end: 1.6.2.4.1 inline-repo-action (duration 00:00:00) [common]
  207 22:36:37.954956  start: 1.6.2.4.2 test-overlay (timeout 00:09:50) [common]
  208 22:36:37.955330  end: 1.6.2.4.2 test-overlay (duration 00:00:00) [common]
  210 22:36:37.955535  start: 1.6.2.4.3 test-install-overlay (timeout 00:09:50) [common]
  211 22:36:37.955982  end: 1.6.2.4.3 test-install-overlay (duration 00:00:00) [common]
  213 22:36:37.956181  start: 1.6.2.4.4 test-runscript-overlay (timeout 00:09:50) [common]
  214 22:36:37.956600  runner path: /var/lib/lava/dispatcher/tmp/12110040/lava-overlay-60qo1ga0/lava-12110040/0/tests/0_timesync-off test_uuid 12110040_1.6.2.4.1
  215 22:36:37.956728  end: 1.6.2.4.4 test-runscript-overlay (duration 00:00:00) [common]
  217 22:36:37.956931  start: 1.6.2.4.5 git-repo-action (timeout 00:09:50) [common]
  218 22:36:37.956994  Using /lava-12110040 at stage 0
  219 22:36:37.957085  Fetching tests from https://github.com/kernelci/test-definitions.git
  220 22:36:37.957154  Running '/usr/bin/git clone https://github.com/kernelci/test-definitions.git /var/lib/lava/dispatcher/tmp/12110040/lava-overlay-60qo1ga0/lava-12110040/0/tests/1_kselftest-lkdtm'
  221 22:36:43.752090  Running '/usr/bin/git checkout kernelci.org
  222 22:36:43.878018  Tests stored (tmp) in /var/lib/lava/dispatcher/tmp/12110040/lava-overlay-60qo1ga0/lava-12110040/0/tests/1_kselftest-lkdtm/automated/linux/kselftest/kselftest.yaml
  223 22:36:43.878592  uuid=12110040_1.6.2.4.5 testdef=None
  224 22:36:43.878729  end: 1.6.2.4.5 git-repo-action (duration 00:00:06) [common]
  226 22:36:43.878932  start: 1.6.2.4.6 test-overlay (timeout 00:09:44) [common]
  227 22:36:43.879555  end: 1.6.2.4.6 test-overlay (duration 00:00:00) [common]
  229 22:36:43.879744  start: 1.6.2.4.7 test-install-overlay (timeout 00:09:44) [common]
  230 22:36:43.880587  end: 1.6.2.4.7 test-install-overlay (duration 00:00:00) [common]
  232 22:36:43.880785  start: 1.6.2.4.8 test-runscript-overlay (timeout 00:09:44) [common]
  233 22:36:43.881579  runner path: /var/lib/lava/dispatcher/tmp/12110040/lava-overlay-60qo1ga0/lava-12110040/0/tests/1_kselftest-lkdtm test_uuid 12110040_1.6.2.4.5
  234 22:36:43.881664  BOARD='imx6q-sabrelite'
  235 22:36:43.881723  BRANCH='cip-gitlab'
  236 22:36:43.881772  SKIPFILE='/dev/null'
  237 22:36:43.881821  SKIP_INSTALL='True'
  238 22:36:43.881872  TESTPROG_URL='http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.201-cip41-197-g2d08925b44e52/arm/multi_v7_defconfig+kselftest/gcc-10/kselftest.tar.xz'
  239 22:36:43.881916  TST_CASENAME=''
  240 22:36:43.881959  TST_CMDFILES='lkdtm'
  241 22:36:43.882068  end: 1.6.2.4.8 test-runscript-overlay (duration 00:00:00) [common]
  243 22:36:43.882236  Creating lava-test-runner.conf files
  244 22:36:43.882284  Using lava-test-runner path: /var/lib/lava/dispatcher/tmp/12110040/lava-overlay-60qo1ga0/lava-12110040/0 for stage 0
  245 22:36:43.882355  - 0_timesync-off
  246 22:36:43.882411  - 1_kselftest-lkdtm
  247 22:36:43.882486  end: 1.6.2.4 test-definition (duration 00:00:06) [common]
  248 22:36:43.882557  start: 1.6.2.5 compress-overlay (timeout 00:09:44) [common]
  249 22:36:50.481873  end: 1.6.2.5 compress-overlay (duration 00:00:07) [common]
  250 22:36:50.482027  start: 1.6.2.6 persistent-nfs-overlay (timeout 00:09:38) [common]
  251 22:36:50.482103  end: 1.6.2.6 persistent-nfs-overlay (duration 00:00:00) [common]
  252 22:36:50.482180  end: 1.6.2 lava-overlay (duration 00:00:13) [common]
  253 22:36:50.482250  start: 1.6.3 extract-overlay-ramdisk (timeout 00:09:38) [common]
  254 22:36:50.540755  end: 1.6.3 extract-overlay-ramdisk (duration 00:00:00) [common]
  255 22:36:50.541002  start: 1.6.4 extract-modules (timeout 00:09:38) [common]
  256 22:36:50.541106  extracting modules file /var/lib/lava/dispatcher/tmp/12110040/tftp-deploy-wixix1a8/modules/modules.tar to /var/lib/lava/dispatcher/tmp/12110040/extract-nfsrootfs-ww3wlk5b
  257 22:36:50.650674  extracting modules file /var/lib/lava/dispatcher/tmp/12110040/tftp-deploy-wixix1a8/modules/modules.tar to /var/lib/lava/dispatcher/tmp/12110040/extract-overlay-ramdisk-yevlq0vc/ramdisk
  258 22:36:50.762474  end: 1.6.4 extract-modules (duration 00:00:00) [common]
  259 22:36:50.762636  start: 1.6.5 apply-overlay-tftp (timeout 00:09:37) [common]
  260 22:36:50.762716  [common] Applying overlay to NFS
  261 22:36:50.762772  [common] Applying overlay /var/lib/lava/dispatcher/tmp/12110040/compress-overlay-t6rs96ej/overlay-1.6.2.5.tar.gz to directory /var/lib/lava/dispatcher/tmp/12110040/extract-nfsrootfs-ww3wlk5b
  262 22:36:51.515712  end: 1.6.5 apply-overlay-tftp (duration 00:00:01) [common]
  263 22:36:51.515875  start: 1.6.6 prepare-kernel (timeout 00:09:37) [common]
  264 22:36:51.515980  start: 1.6.6.1 uboot-prepare-kernel (timeout 00:09:37) [common]
  265 22:36:51.516064  end: 1.6.6.1 uboot-prepare-kernel (duration 00:00:00) [common]
  266 22:36:51.516133  end: 1.6.6 prepare-kernel (duration 00:00:00) [common]
  267 22:36:51.516202  start: 1.6.7 configure-preseed-file (timeout 00:09:37) [common]
  268 22:36:51.516267  end: 1.6.7 configure-preseed-file (duration 00:00:00) [common]
  269 22:36:51.516332  start: 1.6.8 compress-ramdisk (timeout 00:09:37) [common]
  270 22:36:51.516392  Building ramdisk /var/lib/lava/dispatcher/tmp/12110040/extract-overlay-ramdisk-yevlq0vc/ramdisk.cpio containing /var/lib/lava/dispatcher/tmp/12110040/extract-overlay-ramdisk-yevlq0vc/ramdisk
  271 22:36:51.613571  >> 80215 blocks

  272 22:36:53.072524  Adding RAMdisk u-boot header.
  273 22:36:53.072807  mkimage -A arm -T ramdisk -C none -d /var/lib/lava/dispatcher/tmp/12110040/extract-overlay-ramdisk-yevlq0vc/ramdisk.cpio.gz /var/lib/lava/dispatcher/tmp/12110040/extract-overlay-ramdisk-yevlq0vc/ramdisk.cpio.gz.uboot
  274 22:36:53.129285  output: Image Name:   
  275 22:36:53.129532  output: Created:      Tue Nov 28 22:36:53 2023
  276 22:36:53.129617  output: Image Type:   ARM Linux RAMDisk Image (uncompressed)
  277 22:36:53.129711  output: Data Size:    15340225 Bytes = 14980.69 KiB = 14.63 MiB
  278 22:36:53.129789  output: Load Address: 00000000
  279 22:36:53.129851  output: Entry Point:  00000000
  280 22:36:53.129912  output: 
  281 22:36:53.130027  rename /var/lib/lava/dispatcher/tmp/12110040/extract-overlay-ramdisk-yevlq0vc/ramdisk.cpio.gz.uboot to /var/lib/lava/dispatcher/tmp/12110040/tftp-deploy-wixix1a8/ramdisk/ramdisk.cpio.gz.uboot
  282 22:36:53.130199  end: 1.6.8 compress-ramdisk (duration 00:00:02) [common]
  283 22:36:53.130308  end: 1.6 prepare-tftp-overlay (duration 00:00:17) [common]
  284 22:36:53.130402  start: 1.7 lxc-create-udev-rule-action (timeout 00:09:35) [common]
  285 22:36:53.130473  No LXC device requested
  286 22:36:53.130552  end: 1.7 lxc-create-udev-rule-action (duration 00:00:00) [common]
  287 22:36:53.130639  start: 1.8 deploy-device-env (timeout 00:09:35) [common]
  288 22:36:53.130715  end: 1.8 deploy-device-env (duration 00:00:00) [common]
  289 22:36:53.130787  Checking files for TFTP limit of 4294967296 bytes.
  290 22:36:53.131196  end: 1 tftp-deploy (duration 00:00:25) [common]
  291 22:36:53.131293  start: 2 uboot-action (timeout 00:05:00) [common]
  292 22:36:53.131385  start: 2.1 uboot-from-media (timeout 00:05:00) [common]
  293 22:36:53.131459  end: 2.1 uboot-from-media (duration 00:00:00) [common]
  294 22:36:53.131540  start: 2.2 bootloader-overlay (timeout 00:05:00) [common]
  295 22:36:53.131665  substitutions:
  296 22:36:53.131723  - {BOOTX}: bootz 0x10000000 0x14000000 0x13f00000
  297 22:36:53.131781  - {DTB_ADDR}: 0x13f00000
  298 22:36:53.131838  - {DTB}: 12110040/tftp-deploy-wixix1a8/dtb/imx6q-sabrelite.dtb
  299 22:36:53.131895  - {INITRD}: 12110040/tftp-deploy-wixix1a8/ramdisk/ramdisk.cpio.gz.uboot
  300 22:36:53.131964  - {KERNEL_ADDR}: 0x10000000
  301 22:36:53.132019  - {KERNEL}: 12110040/tftp-deploy-wixix1a8/kernel/zImage
  302 22:36:53.132075  - {LAVA_MAC}: None
  303 22:36:53.132131  - {NFSROOTFS}: /var/lib/lava/dispatcher/tmp/12110040/extract-nfsrootfs-ww3wlk5b
  304 22:36:53.132187  - {NFS_SERVER_IP}: 192.168.201.1
  305 22:36:53.132241  - {PRESEED_CONFIG}: None
  306 22:36:53.132296  - {PRESEED_LOCAL}: None
  307 22:36:53.132351  - {RAMDISK_ADDR}: 0x14000000
  308 22:36:53.132405  - {RAMDISK}: 12110040/tftp-deploy-wixix1a8/ramdisk/ramdisk.cpio.gz.uboot
  309 22:36:53.132460  - {ROOT_PART}: None
  310 22:36:53.132515  - {ROOT}: None
  311 22:36:53.132570  - {SERVER_IP}: 192.168.201.1
  312 22:36:53.132624  - {TEE_ADDR}: 0x83000000
  313 22:36:53.132679  - {TEE}: None
  314 22:36:53.132735  Parsed boot commands:
  315 22:36:53.132790  - setenv autoload no
  316 22:36:53.132845  - setenv initrd_high 0xffffffff
  317 22:36:53.132900  - setenv fdt_high 0xffffffff
  318 22:36:53.132955  - dhcp
  319 22:36:53.133009  - setenv serverip 192.168.201.1
  320 22:36:53.133064  - tftp 0x10000000 12110040/tftp-deploy-wixix1a8/kernel/zImage
  321 22:36:53.133119  - tftp 0x14000000 12110040/tftp-deploy-wixix1a8/ramdisk/ramdisk.cpio.gz.uboot
  322 22:36:53.133174  - setenv initrd_size ${filesize}
  323 22:36:53.133228  - tftp 0x13f00000 12110040/tftp-deploy-wixix1a8/dtb/imx6q-sabrelite.dtb
  324 22:36:53.133283  - setenv bootargs 'console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/12110040/extract-nfsrootfs-ww3wlk5b,tcp,hard console_msg_format=syslog earlycon deferred_probe_timeout=60 ip=dhcp'
  325 22:36:53.133343  - bootz 0x10000000 0x14000000 0x13f00000
  326 22:36:53.133417  end: 2.2 bootloader-overlay (duration 00:00:00) [common]
  328 22:36:53.133621  start: 2.3 connect-device (timeout 00:05:00) [common]
  329 22:36:53.133724  [common] connect-device Connecting to device using '/usr/bin/console -f -M localhost imx6q-sabrelite-lava-cbg-6'
  330 22:36:53.136416  Setting prompt string to ['lava-test: # ']
  331 22:36:53.136660  end: 2.3 connect-device (duration 00:00:00) [common]
  332 22:36:53.136764  start: 2.4 uboot-commands (timeout 00:05:00) [common]
  333 22:36:53.136851  start: 2.4.1 reset-device (timeout 00:05:00) [common]
  334 22:36:53.136947  start: 2.4.1.1 pdu-reboot (timeout 00:05:00) [common]
  335 22:36:53.137095  Calling: 'pduclient' '--daemon=localhost' '--hostname=eth8020-0' '--port=1' '--command=reboot'
  336 22:36:58.192437  >> Command sent successfully.

  337 22:36:58.198240  Returned 0 in 5 seconds
  338 22:36:58.298895  end: 2.4.1.1 pdu-reboot (duration 00:00:05) [common]
  340 22:36:58.300099  end: 2.4.1 reset-device (duration 00:00:05) [common]
  341 22:36:58.300519  start: 2.4.2 bootloader-interrupt (timeout 00:04:55) [common]
  342 22:36:58.300862  Setting prompt string to ['Hit any key to stop autoboot']
  343 22:36:58.301174  bootloader-interrupt: Wait for prompt ['Hit any key to stop autoboot'] (timeout 00:05:00)
  344 22:36:58.302086  [Enter `^Ec?' for help]

  345 22:36:59.625224  

  346 22:36:59.625817  

  347 22:36:59.626223  U-Boot 2021.10+dfsg-1+apertis10bv2023dev2b2 (Apr 18 2022 - 16:34:49 +0000)

  348 22:36:59.626558  

  349 22:36:59.626879  CPU:   Freescale i.MX6Q rev1.2 at 792 MHz

  350 22:36:59.627198  Reset cause: POR

  351 22:36:59.627473  Model: Freescale i.MX6 Quad SABRE Lite Board

  352 22:36:59.627747  Board: SABRE Lite

  353 22:36:59.628007  I2C:   ready

  354 22:36:59.628276  DRAM:  1 GiB

  355 22:36:59.673218  MMC:   FSL_SDHC: 0, FSL_SDHC: 1

  356 22:36:59.722083  Loading Environment from SPIFlash... SF: Detected gd25q16 with page size 256 Bytes, erase size 4 KiB, total 2 MiB

  357 22:36:59.722601  *** Warning - bad CRC, using default environment

  358 22:36:59.723014  

  359 22:36:59.723338  In:    serial

  360 22:36:59.723648  Out:   serial

  361 22:36:59.723951  Err:   serial

  362 22:36:59.724241  Net:   using phy at 7

  363 22:36:59.742635  FEC [PRIME], usb_ether

  364 22:36:59.742927  Error: usb_ether address not set.

  365 22:36:59.743209  

  366 22:36:59.743482  starting USB...

  367 22:36:59.743751  Bus usb@2184000: usb dr_mode not found

  368 22:36:59.790937  Bus usb@2184200: USB EHCI 1.00

  369 22:37:02.825182  scanning bus usb@2184000 for devices... 1 USB Device(s) found

  370 22:37:07.983732  scanning bus usb@2184200 for devices... 2 USB Device(s) found

  371 22:37:07.984232         scanning usb for storage devices... 0 Storage Device(s) found

  372 22:37:07.984607         scanning usb for ethernet devices... 0 Ethernet Device(s) found

  374 22:37:08.146573  Hit any key to stop autoboot:  3 

  375 22:37:08.147294  end: 2.4.2 bootloader-interrupt (duration 00:00:10) [common]
  376 22:37:08.147834  start: 2.4.3 bootloader-commands (timeout 00:04:45) [common]
  377 22:37:08.148207  Setting prompt string to ['=>']
  378 22:37:08.148577  bootloader-commands: Wait for prompt ['=>'] (timeout 00:04:45)
  379 22:37:08.159391   0 

  380 22:37:08.160301  Setting prompt string to ['=>', 'Resetting CPU', 'Must RESET board to recover', 'TIMEOUT', 'Retry count exceeded', 'Retry time exceeded; starting again', 'ERROR: The remote end did not respond in time.', 'File not found', 'Bad Linux ARM64 Image magic!', 'Wrong Ramdisk Image Format', 'Ramdisk image is corrupt or invalid', 'ERROR: Failed to allocate', 'TFTP error: trying to overwrite reserved memory', 'Bad Linux RISCV Image magic!', 'Wrong Image Format for boot', 'ERROR: Did not find a cmdline Flattened Device Tree', 'ERROR: RD image overlaps OS image']
  381 22:37:08.160695  Sending with 10 millisecond of delay
  383 22:37:09.299195  => setenv autoload no

  384 22:37:09.309899  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 00:04:44)
  385 22:37:09.313506  setenv autoload no

  386 22:37:09.314141  Sending with 10 millisecond of delay
  388 22:37:11.117213  => setenv initrd_high 0xffffffff

  389 22:37:11.128045  bootloader-commands: Wait for prompt ['=>', 'Resetting CPU', 'Must RESET board to recover', 'TIMEOUT', 'Retry count exceeded', 'Retry time exceeded; starting again', 'ERROR: The remote end did not respond in time.', 'File not found', 'Bad Linux ARM64 Image magic!', 'Wrong Ramdisk Image Format', 'Ramdisk image is corrupt or invalid', 'ERROR: Failed to allocate', 'TFTP error: trying to overwrite reserved memory', 'Bad Linux RISCV Image magic!', 'Wrong Image Format for boot', 'ERROR: Did not find a cmdline Flattened Device Tree', 'ERROR: RD image overlaps OS image'] (timeout 00:04:42)
  390 22:37:11.129788  setenv initrd_high 0xffffffff

  391 22:37:11.130445  Sending with 10 millisecond of delay
  393 22:37:12.751310  => setenv fdt_high 0xffffffff

  394 22:37:12.762064  bootloader-commands: Wait for prompt ['=>', 'Resetting CPU', 'Must RESET board to recover', 'TIMEOUT', 'Retry count exceeded', 'Retry time exceeded; starting again', 'ERROR: The remote end did not respond in time.', 'File not found', 'Bad Linux ARM64 Image magic!', 'Wrong Ramdisk Image Format', 'Ramdisk image is corrupt or invalid', 'ERROR: Failed to allocate', 'TFTP error: trying to overwrite reserved memory', 'Bad Linux RISCV Image magic!', 'Wrong Image Format for boot', 'ERROR: Did not find a cmdline Flattened Device Tree', 'ERROR: RD image overlaps OS image'] (timeout 00:04:40)
  395 22:37:12.762798  setenv fdt_high 0xffffffff

  396 22:37:12.763350  Sending with 10 millisecond of delay
  398 22:37:13.055841  => dhcp

  399 22:37:13.066632  bootloader-commands: Wait for prompt ['=>', 'Resetting CPU', 'Must RESET board to recover', 'TIMEOUT', 'Retry count exceeded', 'Retry time exceeded; starting again', 'ERROR: The remote end did not respond in time.', 'File not found', 'Bad Linux ARM64 Image magic!', 'Wrong Ramdisk Image Format', 'Ramdisk image is corrupt or invalid', 'ERROR: Failed to allocate', 'TFTP error: trying to overwrite reserved memory', 'Bad Linux RISCV Image magic!', 'Wrong Image Format for boot', 'ERROR: Did not find a cmdline Flattened Device Tree', 'ERROR: RD image overlaps OS image'] (timeout 00:04:40)
  400 22:37:13.067357  dhcp

  401 22:37:13.174050  BOOTP broadcast 1

  402 22:37:13.190324  DHCP client bound to address 192.168.201.36 (12 ms)

  403 22:37:13.191031  Sending with 10 millisecond of delay
  405 22:37:14.994137  => setenv serverip 192.168.201.1

  406 22:37:15.004928  bootloader-commands: Wait for prompt ['=>', 'Resetting CPU', 'Must RESET board to recover', 'TIMEOUT', 'Retry count exceeded', 'Retry time exceeded; starting again', 'ERROR: The remote end did not respond in time.', 'File not found', 'Bad Linux ARM64 Image magic!', 'Wrong Ramdisk Image Format', 'Ramdisk image is corrupt or invalid', 'ERROR: Failed to allocate', 'TFTP error: trying to overwrite reserved memory', 'Bad Linux RISCV Image magic!', 'Wrong Image Format for boot', 'ERROR: Did not find a cmdline Flattened Device Tree', 'ERROR: RD image overlaps OS image'] (timeout 00:04:38)
  407 22:37:15.010853  setenv serverip 192.168.201.1

  408 22:37:15.011605  Sending with 10 millisecond of delay
  410 22:37:18.624322  => tftp 0x10000000 12110040/tftp-deploy-wixix1a8/kernel/zImage

  411 22:37:18.635117  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 00:04:34)
  412 22:37:18.636096  tftp 0x10000000 12110040/tftp-deploy-wixix1a8/kernel/zImage

  413 22:37:18.732126  Using FEC device

  414 22:37:18.752893  TFTP from server 192.168.201.1; our IP address is 192.168.201.36

  415 22:37:18.753337  Filename '12110040/tftp-deploy-wixix1a8/kernel/zImage'.

  416 22:37:18.753592  Load address: 0x10000000

  417 22:37:18.912142  Loading: *#################################################################

  418 22:37:19.071917  	 #################################################################

  419 22:37:19.215571  	 #################################################################

  420 22:37:19.375312  	 #################################################################

  421 22:37:19.534953  	 #################################################################

  422 22:37:19.694719  	 #################################################################

  423 22:37:19.854414  	 #################################################################

  424 22:37:20.014073  	 #################################################################

  425 22:37:20.157899  	 #################################################################

  426 22:37:20.317561  	 #################################################################

  427 22:37:20.477280  	 #################################################################

  428 22:37:20.636927  	 #################################################################

  429 22:37:20.796660  	 #################################################################

  430 22:37:20.827486  	 ##########

  431 22:37:20.827921  	 5.8 MiB/s

  432 22:37:20.828157  done

  433 22:37:20.828358  Bytes transferred = 12546560 (bf7200 hex)

  434 22:37:20.828815  Sending with 10 millisecond of delay
  436 22:37:25.407981  => tftp 0x14000000 12110040/tftp-deploy-wixix1a8/ramdisk/ramdisk.cpio.gz.uboot

  437 22:37:25.418761  bootloader-commands: Wait for prompt ['=>', 'Resetting CPU', 'Must RESET board to recover', 'TIMEOUT', 'Retry count exceeded', 'Retry time exceeded; starting again', 'ERROR: The remote end did not respond in time.', 'File not found', 'Bad Linux ARM64 Image magic!', 'Wrong Ramdisk Image Format', 'Ramdisk image is corrupt or invalid', 'ERROR: Failed to allocate', 'TFTP error: trying to overwrite reserved memory', 'Bad Linux RISCV Image magic!', 'Wrong Image Format for boot', 'ERROR: Did not find a cmdline Flattened Device Tree', 'ERROR: RD image overlaps OS image'] (timeout 00:04:28)
  438 22:37:25.419531  tftp 0x14000000 12110040/tftp-deploy-wixix1a8/ramdisk/ramdisk.cpio.gz.uboot

  439 22:37:25.542343  Using FEC device

  440 22:37:25.542508  TFTP from server 192.168.201.1; our IP address is 192.168.201.36

  441 22:37:25.542566  Filename '12110040/tftp-deploy-wixix1a8/ramdisk/ramdisk.cpio.gz.uboot'.

  442 22:37:25.542615  Load address: 0x14000000

  443 22:37:25.701609  Loading: *#################################################################

  444 22:37:25.845336  	 #################################################################

  445 22:37:26.005102  	 #################################################################

  446 22:37:26.164805  	 #################################################################

  447 22:37:26.324483  	 #################################################################

  448 22:37:26.484148  	 #################################################################

  449 22:37:26.643838  	 #################################################################

  450 22:37:26.787596  	 #################################################################

  451 22:37:26.947313  	 #################################################################

  452 22:37:27.107074  	 #################################################################

  453 22:37:27.266751  	 #################################################################

  454 22:37:27.426446  	 #################################################################

  455 22:37:27.586157  	 #################################################################

  456 22:37:27.729938  	 #################################################################

  457 22:37:27.889714  	 #################################################################

  458 22:37:28.033481  	 #################################################################

  459 22:37:28.062104  	 #####

  460 22:37:28.062530  	 5.8 MiB/s

  461 22:37:28.062766  done

  462 22:37:28.062969  Bytes transferred = 15340289 (ea1301 hex)

  463 22:37:28.063429  Sending with 10 millisecond of delay
  465 22:37:29.927168  => setenv initrd_size ${filesize}

  466 22:37:29.937927  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 00:04:23)
  467 22:37:29.938716  setenv initrd_size ${filesize}

  468 22:37:29.939293  Sending with 10 millisecond of delay
  470 22:37:34.159220  => tftp 0x13f00000 12110040/tftp-deploy-wixix1a8/dtb/imx6q-sabrelite.dtb

  471 22:37:34.169943  bootloader-commands: Wait for prompt ['=>', 'Resetting CPU', 'Must RESET board to recover', 'TIMEOUT', 'Retry count exceeded', 'Retry time exceeded; starting again', 'ERROR: The remote end did not respond in time.', 'File not found', 'Bad Linux ARM64 Image magic!', 'Wrong Ramdisk Image Format', 'Ramdisk image is corrupt or invalid', 'ERROR: Failed to allocate', 'TFTP error: trying to overwrite reserved memory', 'Bad Linux RISCV Image magic!', 'Wrong Image Format for boot', 'ERROR: Did not find a cmdline Flattened Device Tree', 'ERROR: RD image overlaps OS image'] (timeout 00:04:19)
  472 22:37:34.170656  tftp 0x13f00000 12110040/tftp-deploy-wixix1a8/dtb/imx6q-sabrelite.dtb

  473 22:37:34.307732  Using FEC device

  474 22:37:34.308199  TFTP from server 192.168.201.1; our IP address is 192.168.201.36

  475 22:37:34.308556  Filename '12110040/tftp-deploy-wixix1a8/dtb/imx6q-sabrelite.dtb'.

  476 22:37:34.308851  Load address: 0x13f00000

  477 22:37:34.309130  Loading: *###

  478 22:37:34.309405  	 5.1 MiB/s

  479 22:37:34.309699  done

  480 22:37:34.309974  Bytes transferred = 42661 (a6a5 hex)

  481 22:37:34.310502  Sending with 10 millisecond of delay
  483 22:37:47.897998  => setenv bootargs 'console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/12110040/extract-nfsrootfs-ww3wlk5b,tcp,hard console_msg_format=syslog earlycon deferred_probe_timeout=60 ip=dhcp'

  484 22:37:47.908783  bootloader-commands: Wait for prompt ['=>', 'Resetting CPU', 'Must RESET board to recover', 'TIMEOUT', 'Retry count exceeded', 'Retry time exceeded; starting again', 'ERROR: The remote end did not respond in time.', 'File not found', 'Bad Linux ARM64 Image magic!', 'Wrong Ramdisk Image Format', 'Ramdisk image is corrupt or invalid', 'ERROR: Failed to allocate', 'TFTP error: trying to overwrite reserved memory', 'Bad Linux RISCV Image magic!', 'Wrong Image Format for boot', 'ERROR: Did not find a cmdline Flattened Device Tree', 'ERROR: RD image overlaps OS image'] (timeout 00:04:05)
  485 22:37:47.914949  setenv bootargs 'console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/12110040/extract-nfsrootfs-ww3wlk5b,tcp,hard console_msg_format=syslog earlycon deferred_probe_timeout=60 ip=dhcp'

  486 22:37:47.915691  Sending with 10 millisecond of delay
  488 22:37:50.262770  => bootz 0x10000000 0x14000000 0x13f00000

  489 22:37:50.273557  Setting prompt string to ['Starting kernel', 'Resetting CPU', 'Must RESET board to recover', 'TIMEOUT', 'Retry count exceeded', 'Retry time exceeded; starting again', 'ERROR: The remote end did not respond in time.', 'File not found', 'Bad Linux ARM64 Image magic!', 'Wrong Ramdisk Image Format', 'Ramdisk image is corrupt or invalid', 'ERROR: Failed to allocate', 'TFTP error: trying to overwrite reserved memory', 'Bad Linux RISCV Image magic!', 'Wrong Image Format for boot', 'ERROR: Did not find a cmdline Flattened Device Tree', 'ERROR: RD image overlaps OS image']
  490 22:37:50.274151  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 00:04:03)
  491 22:37:50.307605  bootz 0x10000000 0x14000000 0x13f00000

  492 22:37:50.308107  Kernel image @ 0x10000000 [ 0x000000 - 0xbf7200 ]

  493 22:37:50.308391  ## Loading init Ramdisk from Legacy Image at 14000000 ...

  494 22:37:50.308640     Image Name:   

  495 22:37:50.308873     Image Type:   ARM Linux RAMDisk Image (uncompressed)

  496 22:37:50.309099     Data Size:    15340225 Bytes = 14.6 MiB

  497 22:37:50.309328     Load Address: 00000000

  498 22:37:50.309548     Entry Point:  00000000

  499 22:37:50.495339     Verifying Checksum ... OK

  500 22:37:50.495837  ## Flattened Device Tree blob at 13f00000

  501 22:37:50.496124     Booting using the fdt blob at 0x13f00000

  502 22:37:50.496368     Using Device Tree in place at 13f00000, end 13f0d6a4

  503 22:37:50.496595  

  504 22:37:50.496819  Starting kernel ...

  505 22:37:50.497044  

  506 22:37:50.497688  end: 2.4.3 bootloader-commands (duration 00:00:42) [common]
  507 22:37:50.498079  start: 2.4.4 auto-login-action (timeout 00:04:03) [common]
  508 22:37:50.498367  Setting prompt string to ['Linux version [0-9]']
  509 22:37:50.498641  Setting prompt string to ['Linux version [0-9]', 'Resetting CPU', 'Must RESET board to recover', 'TIMEOUT', 'Retry count exceeded', 'Retry time exceeded; starting again', 'ERROR: The remote end did not respond in time.', 'File not found', 'Bad Linux ARM64 Image magic!', 'Wrong Ramdisk Image Format', 'Ramdisk image is corrupt or invalid', 'ERROR: Failed to allocate', 'TFTP error: trying to overwrite reserved memory', 'Bad Linux RISCV Image magic!', 'Wrong Image Format for boot', 'ERROR: Did not find a cmdline Flattened Device Tree', 'ERROR: RD image overlaps OS image']
  510 22:37:50.498919  auto-login-action: Wait for prompt ['Linux version [0-9]', 'Resetting CPU', 'Must RESET board to recover', 'TIMEOUT', 'Retry count exceeded', 'Retry time exceeded; starting again', 'ERROR: The remote end did not respond in time.', 'File not found', 'Bad Linux ARM64 Image magic!', 'Wrong Ramdisk Image Format', 'Ramdisk image is corrupt or invalid', 'ERROR: Failed to allocate', 'TFTP error: trying to overwrite reserved memory', 'Bad Linux RISCV Image magic!', 'Wrong Image Format for boot', 'ERROR: Did not find a cmdline Flattened Device Tree', 'ERROR: RD image overlaps OS image'] (timeout 00:05:00)
  511 22:37:51.544557  [    0.000000] Booting Linux on physical CPU 0x0

  512 22:37:51.545074  [    0.000000] Linux version 5.10.202-cip41 (KernelCI@build-j27074-arm-gcc-10-multi-v7-defconfig-kselftest-b4m4j) (arm-linux-gnueabihf-gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Tue Nov 28 22:16:48 UTC 2023

  513 22:37:51.545384  [    0.000000] CPU: ARMv7 Processor [412fc09a] revision 10 (ARMv7), cr=10c5387d

  514 22:37:51.545663  [    0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache

  515 22:37:51.546329  start: 2.4.4.1 login-action (timeout 00:04:02) [common]
  516 22:37:51.546655  The string '/ #' does not look like a typical prompt and could match status messages instead. Please check the job log files and use a prompt string which matches the actual prompt string more closely.
  517 22:37:51.546931  Setting prompt string to []
  518 22:37:51.547212  Setting prompt string to ['-\\[ cut here \\]', 'Unhandled fault', 'BUG: KCSAN:', 'BUG: KASAN:', 'BUG: KFENCE:', 'Oops(?: -|:)', 'WARNING:', '(kernel BUG at|BUG:)', 'invalid opcode:', 'Kernel panic - not syncing']
  519 22:37:51.547493  Using line separator: #'\n'#
  520 22:37:51.547733  No login prompt set.
  521 22:37:51.547972  Parsing kernel messages
  522 22:37:51.548194  ['-\\[ cut here \\]', 'Unhandled fault', 'BUG: KCSAN:', 'BUG: KASAN:', 'BUG: KFENCE:', 'Oops(?: -|:)', 'WARNING:', '(kernel BUG at|BUG:)', 'invalid opcode:', 'Kernel panic - not syncing', '/ #', 'Login timed out', 'Login incorrect']
  523 22:37:51.548615  [login-action] Waiting for messages, (timeout 00:04:02)
  524 22:37:51.587656  [    0.000000] OF: fdt: Machine model: Freescale i.MX6 Quad SABRE Lite Board

  525 22:37:51.588186  [    0.000000] earlycon: ec_imx21 at MMIO 0x021e8000 (options '')

  526 22:37:51.588514  [    0.000000] printk: bootconsole [ec_imx21] enabled

  527 22:37:51.588770  [    0.000000] Memory policy: Data cache writealloc

  528 22:37:51.589034  [    0.000000] efi: UEFI not found.

  529 22:37:51.589281  [    0.000000] OF: fdt: Reserved memory: unsupported node format, ignoring

  530 22:37:51.589512  [    0.000000] cma: Reserved 64 MiB at 0x4c000000

  531 22:37:51.589800  [    0.000000] Zone ranges:

  532 22:37:51.590046  [    0.000000]   DMA      [mem 0x0000000010000000-0x000000003fffffff]

  533 22:37:51.630269  [    0.000000]   Normal   empty

  534 22:37:51.630734  [    0.000000]   HighMem  [mem 0x0000000040000000-0x000000004fffffff]

  535 22:37:51.631002  [    0.000000] Movable zone start for each node

  536 22:37:51.631220  [    0.000000] Early memory node ranges

  537 22:37:51.631433  [    0.000000]   node   0: [mem 0x0000000010000000-0x000000004fffffff]

  538 22:37:51.631638  [    0.000000] Initmem setup node 0 [mem 0x0000000010000000-0x000000004fffffff]

  539 22:37:51.705302  [    0.000000] percpu: Embedded 21 pages/cpu s55468 r8192 d22356 u86016

  540 22:37:51.705803  [    0.000000] Built 1 zonelists, mobility grouping on.  Total pages: 260608

  541 22:37:51.706082  [    0.000000] Kernel command line: console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/12110040/extract-nfsrootfs-ww3wlk5b,tcp,hard console_msg_format=syslog earlycon deferred_probe_timeout=60 ip=dhcp

  542 22:37:51.706334  <6>[    0.000000] Dentry cache hash table entries: 131072 (order: 7, 524288 bytes, linear)

  543 22:37:51.731061  <6>[    0.000000] Inode-cache hash table entries: 65536 (order: 6, 262144 bytes, linear)

  544 22:37:51.731527  <6>[    0.000000] mem auto-init: stack:off, heap alloc:off, heap free:off

  545 22:37:51.919658  <6>[    0.000000] Memory: 921476K/1048576K available (17408K kernel code, 2714K rwdata, 8140K rodata, 2048K init, 6693K bss, 61564K reserved, 65536K cma-reserved, 196608K highmem)

  546 22:37:51.920174  <6>[    0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1

  547 22:37:51.920468  <6>[    0.000000] ftrace: allocating 56135 entries in 165 pages

  548 22:37:52.274367  <6>[    0.000000] ftrace: allocated 165 pages with 4 groups

  549 22:37:52.274867  <6>[    0.000000] Running RCU self tests

  550 22:37:52.275152  <6>[    0.000000] rcu: Hierarchical RCU implementation.

  551 22:37:52.275403  <6>[    0.000000] rcu: 	RCU event tracing is enabled.

  552 22:37:52.275636  <6>[    0.000000] rcu: 	RCU lockdep checking is enabled.

  553 22:37:52.275863  <6>[    0.000000] rcu: 	RCU restricting CPUs from NR_CPUS=16 to nr_cpu_ids=4.

  554 22:37:52.276094  <6>[    0.000000] 	Rude variant of Tasks RCU enabled.

  555 22:37:52.276323  <6>[    0.000000] 	Tracing variant of Tasks RCU enabled.

  556 22:37:52.300896  <6>[    0.000000] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies.

  557 22:37:52.301400  <6>[    0.000000] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4

  558 22:37:52.383072  <6>[    0.000000] NR_IRQS: 16, nr_irqs: 16, preallocated irqs: 16

  559 22:37:52.383571  <6>[    0.000000] L2C-310 errata 752271 769419 enabled

  560 22:37:52.383863  <6>[    0.000000] L2C-310 enabling early BRESP for Cortex-A9

  561 22:37:52.384108  <6>[    0.000000] L2C-310 full line of zeros enabled for Cortex-A9

  562 22:37:52.384340  <6>[    0.000000] L2C-310 ID prefetch enabled, offset 16 lines

  563 22:37:52.384567  <6>[    0.000000] L2C-310 dynamic clock gating enabled, standby mode enabled

  564 22:37:52.384789  <6>[    0.000000] L2C-310 cache controller enabled, 16 ways, 1024 kB

  565 22:37:52.398659  <6>[    0.000000] L2C-310: CACHE_ID 0x410000c7, AUX_CTRL 0x76470001

  566 22:37:52.496978  <6>[    0.000000] Switching to timer-based delay loop, resolution 333ns

  567 22:37:52.497480  <6>[    0.000010] sched_clock: 32 bits at 3000kHz, resolution 333ns, wraps every 715827882841ns

  568 22:37:52.497800  <6>[    0.008444] clocksource: mxc_timer1: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 637086815595 ns

  569 22:37:52.498052  <6>[    0.023001] Console: colour dummy device 80x30

  570 22:37:52.498289  <4>[    0.024907] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar

  571 22:37:52.498522  <4>[    0.032914] ... MAX_LOCKDEP_SUBCLASSES:  8

  572 22:37:52.540122  <4>[    0.037259] ... MAX_LOCK_DEPTH:          48

  573 22:37:52.540621  <4>[    0.041671] ... MAX_LOCKDEP_KEYS:        8192

  574 22:37:52.540908  <4>[    0.046309] ... CLASSHASH_SIZE:          4096

  575 22:37:52.541152  <4>[    0.050893] ... MAX_LOCKDEP_ENTRIES:     32768

  576 22:37:52.541383  <4>[    0.055615] ... MAX_LOCKDEP_CHAINS:      65536

  577 22:37:52.541608  <4>[    0.060288] ... CHAINHASH_SIZE:          32768

  578 22:37:52.541863  <4>[    0.064986]  memory used by lock dependency info: 4061 kB

  579 22:37:52.542094  <4>[    0.070667]  memory used for stack traces: 2112 kB

  580 22:37:52.542319  <4>[    0.075711]  per task-struct memory footprint: 1536 bytes

  581 22:37:52.583296  <6>[    0.081402] Calibrating delay loop (skipped), value calculated using timer frequency.. 6.00 BogoMIPS (lpj=30000)

  582 22:37:52.583808  <6>[    0.091815] CPU: Testing write buffer coherency: ok

  583 22:37:52.584098  <6>[    0.096950] CPU0: Spectre v2: using BPIALL workaround

  584 22:37:52.584343  <6>[    0.102226] pid_max: default: 32768 minimum: 301

  585 22:37:52.584577  <6>[    0.107422] LSM: Security Framework initializing

  586 22:37:52.584807  <6>[    0.112045] LSM support for eBPF active

  587 22:37:52.585032  <6>[    0.116198] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes, linear)

  588 22:37:52.633409  <6>[    0.123648] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes, linear)

  589 22:37:52.633893  <6>[    0.135091] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000

  590 22:37:52.634158  <6>[    0.141600] Setting up static identity map for 0x10300000 - 0x103000ac

  591 22:37:52.634388  <6>[    0.147980] rcu: Hierarchical SRCU implementation.

  592 22:37:52.634602  <6>[    0.159329] EFI services will not be available.

  593 22:37:52.634813  <6>[    0.162377] smp: Bringing up secondary CPUs ...

  594 22:37:52.635021  <6>[    0.168878] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001

  595 22:37:52.677401  <6>[    0.168895] CPU1: Spectre v2: using BPIALL workaround

  596 22:37:52.677900  <6>[    0.180645] CPU2: thread -1, cpu 2, socket 0, mpidr 80000002

  597 22:37:52.678185  <6>[    0.180660] CPU2: Spectre v2: using BPIALL workaround

  598 22:37:52.678418  <6>[    0.192056] CPU3: thread -1, cpu 3, socket 0, mpidr 80000003

  599 22:37:52.678633  <6>[    0.192071] CPU3: Spectre v2: using BPIALL workaround

  600 22:37:52.678843  <6>[    0.201073] smp: Brought up 1 node, 4 CPUs

  601 22:37:52.679052  <6>[    0.204816] SMP: Total of 4 processors activated (24.00 BogoMIPS).

  602 22:37:52.679260  <6>[    0.211354] CPU: All CPU(s) started in SVC mode.

  603 22:37:52.693199  <6>[    0.218584] devtmpfs: initialized

  604 22:37:52.780342  <6>[    0.266716] VFP support v0.3: implementor 41 architecture 3 part 30 variant 9 rev 4

  605 22:37:52.780810  <6>[    0.274189] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns

  606 22:37:52.781079  <6>[    0.282074] futex hash table entries: 1024 (order: 4, 65536 bytes, linear)

  607 22:37:52.781306  <6>[    0.293793] pinctrl core: initialized pinctrl subsystem

  608 22:37:52.781518  <6>[    0.302766] DMI not present or invalid.

  609 22:37:52.781759  <6>[    0.306205] NET: Registered protocol family 16

  610 22:37:52.818008  <6>[    0.318166] DMA: preallocated 256 KiB pool for atomic coherent allocations

  611 22:37:52.818473  <6>[    0.330930] thermal_sys: Registered thermal governor 'step_wise'

  612 22:37:52.818746  <6>[    0.331428] cpuidle: using governor menu

  613 22:37:52.818971  <6>[    0.339551] CPU identified as i.MX6Q, silicon rev 1.2

  614 22:37:53.456929  <6>[    0.987979] vdd1p1: supplied by regulator-dummy

  615 22:37:53.488870  <6>[    1.017306] vdd3p0: supplied by regulator-dummy

  616 22:37:53.520584  <6>[    1.046257] vdd2p5: supplied by regulator-dummy

  617 22:37:53.536754  <6>[    1.075134] vddarm: supplied by regulator-dummy

  618 22:37:53.568699  <6>[    1.104827] vddpu: supplied by regulator-dummy

  619 22:37:53.600675  <6>[    1.133132] vddsoc: supplied by regulator-dummy

  620 22:37:54.773661  <6>[    2.286413] No ATAGs?

  621 22:37:54.774165  <6>[    2.287231] hw-breakpoint: found 5 (+1 reserved) breakpoint and 1 watchpoint registers.

  622 22:37:54.774455  <6>[    2.294387] hw-breakpoint: maximum watchpoint size is 4 bytes.

  623 22:37:54.794605  <6>[    2.317481] imx6q-pinctrl 20e0000.pinctrl: initialized IMX pinctrl driver

  624 22:37:54.810563  <6>[    2.347147] Serial: AMBA PL011 UART driver

  625 22:37:54.874401  <6>[    2.403787] Kprobes globally optimized

  626 22:37:55.015732  <6>[    2.507185] iommu: Default domain type: Translated 

  627 22:37:55.016235  <6>[    2.511634] vgaarb: loaded

  628 22:37:55.016520  <5>[    2.516747] SCSI subsystem initialized

  629 22:37:55.016765  <6>[    2.520157] usbcore: registered new interface driver usbfs

  630 22:37:55.016994  <6>[    2.523901] usbcore: registered new interface driver hub

  631 22:37:55.017223  <6>[    2.529462] usbcore: registered new device driver usb

  632 22:37:55.017452  <6>[    2.541280] i2c i2c-0: IMX I2C adapter registered

  633 22:37:55.017712  <6>[    2.549516] i2c i2c-1: IMX I2C adapter registered

  634 22:37:55.049112  <6>[    2.555654] i2c i2c-2: IMX I2C adapter registered

  635 22:37:55.049617  <6>[    2.561904] pps_core: LinuxPPS API ver. 1 registered

  636 22:37:55.049942  <6>[    2.564301] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@linux.it>

  637 22:37:55.050176  <6>[    2.573803] PTP clock support registered

  638 22:37:55.070087  <6>[    2.593935] clocksource: Switched to clocksource mxc_timer1

  639 22:37:56.841460  <6>[    4.342565] NET: Registered protocol family 2

  640 22:37:56.841961  <6>[    4.345157] IP idents hash table entries: 16384 (order: 5, 131072 bytes, linear)

  641 22:37:56.842240  <6>[    4.355038] tcp_listen_portaddr_hash hash table entries: 512 (order: 2, 22528 bytes, linear)

  642 22:37:56.842466  <6>[    4.361051] TCP established hash table entries: 8192 (order: 3, 32768 bytes, linear)

  643 22:37:56.842678  <6>[    4.369158] TCP bind hash table entries: 8192 (order: 6, 327680 bytes, linear)

  644 22:37:56.842884  <6>[    4.377864] TCP: Hash tables configured (established 8192 bind 8192)

  645 22:37:56.884598  <6>[    4.384366] MPTCP token hash table entries: 1024 (order: 3, 49152 bytes, linear)

  646 22:37:56.885064  <6>[    4.390958] UDP hash table entries: 512 (order: 3, 49152 bytes, linear)

  647 22:37:56.885333  <6>[    4.397845] UDP-Lite hash table entries: 512 (order: 3, 49152 bytes, linear)

  648 22:37:56.885551  <6>[    4.405579] NET: Registered protocol family 1

  649 22:37:56.885793  <6>[    4.411973] RPC: Registered named UNIX socket transport module.

  650 22:37:56.886005  <6>[    4.415747] RPC: Registered udp transport module.

  651 22:37:56.886215  <6>[    4.420612] RPC: Registered tcp transport module.

  652 22:37:56.916685  <6>[    4.425617] RPC: Registered tcp NFSv4.1 backchannel transport module.

  653 22:37:56.917147  <6>[    4.432276] NET: Registered protocol family 44

  654 22:37:56.917415  <6>[    4.437034] PCI: CLS 0 bytes, default 64

  655 22:37:56.917659  <6>[    4.443272] Trying to unpack rootfs image as initramfs...

  656 22:37:58.737144  <6>[    6.230432] Freeing initrd memory: 14984K

  657 22:37:58.737610  <4>[    6.232800] hw perfevents: no interrupt-affinity property for /pmu, guessing.

  658 22:37:58.737903  <6>[    6.240625] hw perfevents: enabled with armv7_cortex_a9 PMU driver, 7 counters available

  659 22:37:58.738132  <5>[    6.255712] Initialise system trusted keyrings

  660 22:37:58.738348  <6>[    6.258486] workingset: timestamp_bits=30 max_order=18 bucket_order=0

  661 22:37:58.806226  <6>[    6.307290] squashfs: version 4.0 (2009/01/31) Phillip Lougher

  662 22:37:58.806693  <5>[    6.313768] NFS: Registering the id_resolver key type

  663 22:37:58.806964  <5>[    6.316423] Key type id_resolver registered

  664 22:37:58.807187  <5>[    6.320703] Key type id_legacy registered

  665 22:37:58.807401  <6>[    6.325531] nfs4filelayout_init: NFSv4 File Layout Driver Registering...

  666 22:37:58.807618  <6>[    6.331975] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering...

  667 22:37:58.807825  <6>[    6.339782] ntfs: driver 2.1.32 [Flags: R/O].

  668 22:37:58.849166  <5>[    6.346079] Key type asymmetric registered

  669 22:37:58.849662  <5>[    6.348608] Asymmetric key parser 'x509' registered

  670 22:37:58.849945  <6>[    6.354056] bounce: pool size: 64 pages

  671 22:37:58.850168  <6>[    6.357866] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 247)

  672 22:37:58.850383  <6>[    6.365523] io scheduler mq-deadline registered

  673 22:37:58.850589  <6>[    6.370196] io scheduler kyber registered

  674 22:37:58.850790  <4>[    6.375317] test_firmware: interface ready

  675 22:37:59.008893  <6>[    6.536858] mxs-dma 110000.dma-controller: initialized

  676 22:37:59.082687  <4>[    6.596778] imx-sdma 20ec000.dma-controller: Direct firmware load for imx/sdma/sdma-imx6q.bin failed with error -2

  677 22:37:59.083193  <6>[    6.604855] imx-sdma 20ec000.dma-controller: external firmware not found, using ROM firmware

  678 22:37:59.288229  <6>[    6.811481] Serial: 8250/16550 driver, 5 ports, IRQ sharing enabled

  679 22:37:59.336830  <6>[    6.833282] SuperH (H)SCI(F) driver initialized

  680 22:37:59.337297  <6>[    6.837981] 2020000.serial: ttymxc0 at MMIO 0x2020000 (irq = 34, base_baud = 5000000) is a IMX

  681 22:37:59.337586  <6>[    6.848663] 21e8000.serial: ttymxc1 at MMIO 0x21e8000 (irq = 81, base_baud = 5000000) is a IMX

  682 22:37:59.337862  <6>[    6.855193] printk: console [ttymxc1] enabled

  683 22:37:59.338093  <6>[    6.855193] printk: console [ttymxc1] enabled

  684 22:37:59.338320  <6>[    6.864002] printk: bootconsole [ec_imx21] disabled

  685 22:37:59.338543  <6>[    6.864002] printk: bootconsole [ec_imx21] disabled

  686 22:37:59.370073  <6>[    6.880165] msm_serial: driver initialized

  687 22:37:59.370538  <6>[    6.885616] STMicroelectronics ASC driver initialized

  688 22:37:59.370817  <6>[    6.896935] STM32 USART driver initialized

  689 22:37:59.398081  <6>[    6.921902] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 0

  690 22:37:59.436890  <4>[    6.942201] panel-simple panel-lcd: supply power not found, using dummy regulator

  691 22:37:59.437385  <4>[    6.950760] panel-simple panel-lcd: Specify missing connector_type

  692 22:37:59.437705  <4>[    6.958649] panel-simple panel-lvds0: supply power not found, using dummy regulator

  693 22:37:59.468839  <6>[    7.007981] brd: module loaded

  694 22:37:59.531441  <6>[    7.052755] loop: module loaded

  695 22:37:59.531892  <6>[    7.059063] lkdtm: No crash points registered, enable through debugfs

  696 22:37:59.579852  <6>[    7.079844] ahci-imx 2200000.sata: fsl,transmit-level-mV not specified, using 00000024

  697 22:37:59.580318  <6>[    7.088137] ahci-imx 2200000.sata: fsl,transmit-boost-mdB not specified, using 00000480

  698 22:37:59.580594  <6>[    7.096493] ahci-imx 2200000.sata: fsl,transmit-atten-16ths not specified, using 00002000

  699 22:37:59.580818  <6>[    7.105013] ahci-imx 2200000.sata: fsl,receive-eq-mdB not specified, using 05000000

  700 22:37:59.581027  <4>[    7.113231] ahci-imx 2200000.sata: supply ahci not found, using dummy regulator

  701 22:37:59.634499  <4>[    7.121589] ahci-imx 2200000.sata: supply phy not found, using dummy regulator

  702 22:37:59.634963  <4>[    7.129557] ahci-imx 2200000.sata: supply target not found, using dummy regulator

  703 22:37:59.635235  <6>[    7.141130] ahci-imx 2200000.sata: SSS flag set, parallel bus scan disabled

  704 22:37:59.635456  <6>[    7.148486] ahci-imx 2200000.sata: AHCI 0001.0300 32 slots 1 ports 3 Gbps 0x1 impl platform mode

  705 22:37:59.635671  <6>[    7.157619] ahci-imx 2200000.sata: flags: ncq sntf stag pm led clo only pmp pio slum part ccc apst 

  706 22:37:59.635883  <6>[    7.171699] scsi host0: ahci-imx

  707 22:37:59.678188  <6>[    7.177342] ata1: SATA max UDMA/133 mmio [mem 0x02200000-0x02203fff] port 0x100 irq 84

  708 22:37:59.713458  <6>[    7.236593] bgmac_bcma: Broadcom 47xx GBit MAC driver loaded

  709 22:37:59.713981  <6>[    7.249919] pps pps0: new PPS source ptp0

  710 22:37:59.795069  <6>[    7.292817] fec 2188000.ethernet eth0: registered PHC device 0

  711 22:37:59.795525  <6>[    7.303339] e1000e: Intel(R) PRO/1000 Network Driver

  712 22:37:59.795789  <6>[    7.308643] e1000e: Copyright(c) 1999 - 2015 Intel Corporation.

  713 22:37:59.796012  <6>[    7.315108] igb: Intel(R) Gigabit Ethernet Network Driver

  714 22:37:59.796222  <6>[    7.320795] igb: Copyright (c) 2007-2014 Intel Corporation.

  715 22:37:59.846675  <6>[    7.346707] pegasus: v0.9.3 (2013/04/25), Pegasus/Pegasus II USB Ethernet driver

  716 22:37:59.847144  <6>[    7.354582] usbcore: registered new interface driver pegasus

  717 22:37:59.847419  <6>[    7.360730] usbcore: registered new interface driver asix

  718 22:37:59.847637  <6>[    7.366596] usbcore: registered new interface driver ax88179_178a

  719 22:37:59.847846  <6>[    7.373103] usbcore: registered new interface driver cdc_ether

  720 22:37:59.848051  <6>[    7.379458] usbcore: registered new interface driver smsc75xx

  721 22:37:59.890181  <6>[    7.385734] usbcore: registered new interface driver smsc95xx

  722 22:37:59.890652  <6>[    7.391897] usbcore: registered new interface driver net1080

  723 22:37:59.890931  <6>[    7.398027] usbcore: registered new interface driver cdc_subset

  724 22:37:59.891155  <6>[    7.404405] usbcore: registered new interface driver zaurus

  725 22:37:59.891369  <6>[    7.410496] usbcore: registered new interface driver cdc_ncm

  726 22:37:59.934441  <6>[    7.428244] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver

  727 22:37:59.934908  <6>[    7.435173] ehci-pci: EHCI PCI platform driver

  728 22:37:59.935179  <6>[    7.440047] ehci-platform: EHCI generic platform driver

  729 22:37:59.935403  <6>[    7.446537] ehci-orion: EHCI orion driver

  730 22:37:59.935611  <6>[    7.451648] SPEAr-ehci: EHCI SPEAr driver

  731 22:37:59.935815  <6>[    7.456776] ehci-st: EHCI STMicroelectronics driver

  732 22:37:59.936019  <6>[    7.462707] ehci-exynos: EHCI Exynos driver

  733 22:37:59.936219  <6>[    7.467992] ehci-atmel: EHCI Atmel driver

  734 22:37:59.936422  <6>[    7.473052] tegra-ehci: Tegra EHCI driver

  735 22:37:59.989574  <6>[    7.478202] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver

  736 22:37:59.990074  <6>[    7.484778] ohci-pci: OHCI PCI platform driver

  737 22:37:59.990353  <6>[    7.489649] ohci-platform: OHCI generic platform driver

  738 22:37:59.990581  <6>[    7.496069] SPEAr-ohci: OHCI SPEAr driver

  739 22:37:59.990796  <6>[    7.501149] ohci-st: OHCI STMicroelectronics driver

  740 22:37:59.991001  <6>[    7.507135] ohci-atmel: OHCI Atmel driver

  741 22:37:59.991204  <6>[    7.515425] usbcore: registered new interface driver usb-storage

  742 22:37:59.991408  <6>[    7.526296] ata1: SATA link down (SStatus 0 SControl 300)

  743 22:38:00.030174  <6>[    7.532316] ahci-imx 2200000.sata: no device found, disabling link.

  744 22:38:00.030647  <6>[    7.538946] ahci-imx 2200000.sata: pass ahci_imx..hotplug=1 to enable hotplug

  745 22:38:00.030936  <6>[    7.551494] i2c /dev entries driver

  746 22:38:00.149929  <6>[    7.629979] sdhci: Secure Digital Host Controller Interface driver

  747 22:38:00.150401  <6>[    7.636499] sdhci: Copyright(c) Pierre Ossman

  748 22:38:00.150673  <6>[    7.649962] Synopsys Designware Multimedia Card Interface Driver

  749 22:38:00.150900  <6>[    7.663024] sdhci-pltfm: SDHCI platform and OF driver helper

  750 22:38:00.151116  <6>[    7.672580] sdhci-esdhc-imx 219c000.mmc: Got CD GPIO

  751 22:38:00.151328  <6>[    7.672590] sdhci-esdhc-imx 2198000.mmc: Got CD GPIO

  752 22:38:00.151533  <6>[    7.683424] sdhci-esdhc-imx 2198000.mmc: Got WP GPIO

  753 22:38:00.217271  <6>[    7.690124] ledtrig-cpu: registered to indicate activity on CPUs

  754 22:38:00.217768  <6>[    7.699932] usbcore: registered new interface driver usbhid

  755 22:38:00.218052  <6>[    7.705856] usbhid: USB HID core driver

  756 22:38:00.218285  <6>[    7.711311] mmc3: SDHCI controller on 219c000.mmc [219c000.mmc] using ADMA

  757 22:38:00.218506  <6>[    7.723944] mmc2: SDHCI controller on 2198000.mmc [2198000.mmc] using ADMA

  758 22:38:00.218712  <6>[    7.732416] ipip: IPv4 and MPLS over IPv4 tunneling driver

  759 22:38:00.218916  <6>[    7.740614] IPv4 over IPsec tunneling driver

  760 22:38:00.219120  <6>[    7.749646] NET: Registered protocol family 10

  761 22:38:00.258188  <6>[    7.759778] Segment Routing with IPv6

  762 22:38:00.258657  <6>[    7.769341] NET: Registered protocol family 17

  763 22:38:00.258938  <6>[    7.775803] 8021q: 802.1Q VLAN Support v1.8

  764 22:38:00.259172  <5>[    7.781236] Key type dns_resolver registered

  765 22:38:00.285297  <6>[    7.799525] ThumbEE CPU extension supported.

  766 22:38:00.285790  <5>[    7.804191] Registering SWP/SWPB emulation handler

  767 22:38:00.286068  <5>[    7.812995] Loading compiled-in X.509 certificates

  768 22:38:00.473967  <4>[    7.968944] panel-simple panel-lcd: supply power not found, using dummy regulator

  769 22:38:00.474474  <4>[    7.977525] panel-simple panel-lcd: Specify missing connector_type

  770 22:38:00.474767  <6>[    7.985220] mmc2: new high speed SDHC card at address aaaa

  771 22:38:00.475012  <4>[    7.990071] panel-simple panel-lvds0: supply power not found, using dummy regulator

  772 22:38:00.475246  <6>[    7.994326] mmcblk2: mmc2:aaaa SL16G 14.8 GiB 

  773 22:38:00.531516  <4>[    8.025851] imx_usb 2184200.usb: No over current polarity defined

  774 22:38:00.532017  <4>[    8.038720] GPT:Primary header thinks Alt. header is not at the end of the disk.

  775 22:38:00.532306  <6>[    8.038752] ci_hdrc ci_hdrc.1: EHCI Host Controller

  776 22:38:00.532550  <4>[    8.046592] GPT:7812499 != 31116287

  777 22:38:00.532782  <4>[    8.046612] GPT:Alternate GPT header not at the end of the disk.

  778 22:38:00.533008  <4>[    8.046624] GPT:7812499 != 31116287

  779 22:38:00.533232  <4>[    8.046636] GPT: Use GNU Parted to correct GPT errors.

  780 22:38:00.533452  <6>[    8.046699]  mmcblk2: p1 p2 p3

  781 22:38:00.574199  <6>[    8.052103] ci_hdrc ci_hdrc.1: new USB bus registered, assigned bus number 1

  782 22:38:00.592733  <6>[    8.103844] ci_hdrc ci_hdrc.1: USB 2.0 started, EHCI 1.00

  783 22:38:00.593236  <6>[    8.115968] hub 1-0:1.0: USB hub found

  784 22:38:00.593519  <6>[    8.120554] hub 1-0:1.0: 1 port detected

  785 22:38:00.619504  <6>[    8.138026] imx_thermal 20c8000.anatop:tempmon: Automotive CPU temperature grade - max:125C critical:120C passive:115C

  786 22:38:00.667589  <4>[    8.168003] panel-simple panel-lcd: supply power not found, using dummy regulator

  787 22:38:00.668096  <4>[    8.176473] panel-simple panel-lcd: Specify missing connector_type

  788 22:38:00.668385  <4>[    8.188886] panel-simple panel-lvds0: supply power not found, using dummy regulator

  789 22:38:00.731501  <4>[    8.216761] panel-simple panel-lcd: supply power not found, using dummy regulator

  790 22:38:00.731970  <4>[    8.225274] panel-simple panel-lcd: Specify missing connector_type

  791 22:38:00.732241  <4>[    8.237955] panel-simple panel-lvds0: supply power not found, using dummy regulator

  792 22:38:00.732481  <6>[    8.255764] input: gpio-keys as /devices/platform/gpio-keys/input/input0

  793 22:38:00.781500  <4>[    8.281861] panel-simple panel-lcd: supply power not found, using dummy regulator

  794 22:38:00.781998  <4>[    8.290410] panel-simple panel-lcd: Specify missing connector_type

  795 22:38:00.782273  <4>[    8.302887] panel-simple panel-lvds0: supply power not found, using dummy regulator

  796 22:38:00.807330  <6>[    8.323266] 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)

  797 22:38:00.980959  <6>[    8.503998] usb 1-1: new high-speed USB device number 2 using ci_hdrc

  798 22:38:01.172579  <6>[    8.712214] hub 1-1:1.0: USB hub found

  799 22:38:01.188525  <6>[    8.717274] hub 1-1:1.0: 3 ports detected

  800 22:38:01.243643  <4>[    8.746522] panel-simple panel-lcd: supply power not found, using dummy regulator

  801 22:38:01.244144  <4>[    8.754967] panel-simple panel-lcd: Specify missing connector_type

  802 22:38:01.244436  <4>[    8.767566] panel-simple panel-lvds0: supply power not found, using dummy regulator

  803 22:38:03.931665  <6>[   11.455540] fec 2188000.ethernet eth0: Link is Up - 1Gbps/Full - flow control off

  804 22:38:03.947788  <6>[   11.473907] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready

  805 22:38:04.044359  <5>[   11.504961] Sending DHCP requests ., OK

  806 22:38:04.044862  <6>[   11.548798] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.36

  807 22:38:04.045160  <6>[   11.557345] IP-Config: Complete:

  808 22:38:04.045406  <6>[   11.560911]      device=eth0, hwaddr=00:19:b8:08:f1:1c, ipaddr=192.168.201.36, mask=255.255.255.0, gw=192.168.201.1

  809 22:38:04.045675  <6>[   11.571783]      host=imx6q-sabrelite-lava-cbg-6, domain=lava-rack, nis-domain=(none)

  810 22:38:04.045924  <6>[   11.580036]      bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath=

  811 22:38:04.059421  <6>[   11.580077]      nameserver0=192.168.201.1

  812 22:38:04.107294  <6>[   11.644065] Freeing unused kernel memory: 2048K

  813 22:38:04.139232  <6>[   11.666701] Run /init as init process

  814 22:38:04.187187  Loading, please wait...

  815 22:38:04.298935  Starting version 247.3-7+deb11u2

  816 22:38:07.636676  <6>[   15.162658] imx-ipuv3 2400000.ipu: IPUv3H probed

  817 22:38:07.687754  <4>[   15.189550] panel-simple panel-lcd: supply power not found, using dummy regulator

  818 22:38:07.688221  <4>[   15.201516] panel-simple panel-lcd: Specify missing connector_type

  819 22:38:07.688488  <6>[   15.215036] imx-ipuv3 2800000.ipu: IPUv3H probed

  820 22:38:07.725694  <4>[   15.249592] panel-simple panel-lvds0: supply power not found, using dummy regulator

  821 22:38:07.783561  <4>[   15.287694] panel-simple panel-lcd: supply power not found, using dummy regulator

  822 22:38:07.784021  <4>[   15.296288] panel-simple panel-lcd: Specify missing connector_type

  823 22:38:07.784292  <6>[   15.305515] CAN device driver interface

  824 22:38:07.784519  <4>[   15.309276] panel-simple panel-lvds0: supply power not found, using dummy regulator

  825 22:38:07.840437  <4>[   15.363776] panel-simple panel-lcd: supply power not found, using dummy regulator

  826 22:38:07.872402  <4>[   15.396270] panel-simple panel-lcd: Specify missing connector_type

  827 22:38:07.939292  <6>[   15.426171] etnaviv etnaviv: bound 130000.gpu (ops gpu_ops [etnaviv])

  828 22:38:07.939761  <4>[   15.429931] panel-simple panel-lvds0: supply power not found, using dummy regulator

  829 22:38:07.940053  <6>[   15.438726] etnaviv etnaviv: bound 134000.gpu (ops gpu_ops [etnaviv])

  830 22:38:07.940353  <6>[   15.453361] etnaviv etnaviv: bound 2204000.gpu (ops gpu_ops [etnaviv])

  831 22:38:07.940580  <6>[   15.460251] etnaviv-gpu 130000.gpu: model: GC2000, revision: 5108

  832 22:38:07.940847  <6>[   15.473952] etnaviv-gpu 134000.gpu: model: GC320, revision: 5007

  833 22:38:07.973063  <6>[   15.481389] etnaviv-gpu 2204000.gpu: model: GC355, revision: 1215

  834 22:38:07.973523  <6>[   15.487931] etnaviv-gpu 2204000.gpu: Ignoring GPU with VG and FE2.0

  835 22:38:07.973837  <6>[   15.496877] [drm] Initialized etnaviv 1.3.0 20151214 for etnaviv on minor 1

  836 22:38:08.011239  <4>[   15.523926] panel-simple panel-lcd: supply power not found, using dummy regulator

  837 22:38:08.011708  <6>[   15.531931] caam 2100000.crypto: Entropy delay = 3200

  838 22:38:08.011975  <4>[   15.532645] panel-simple panel-lcd: Specify missing connector_type

  839 22:38:08.032124  <4>[   15.555583] panel-simple panel-lvds0: supply power not found, using dummy regulator

  840 22:38:08.109785  <6>[   15.598137] caam 2100000.crypto: Instantiated RNG4 SH0

  841 22:38:08.110243  <6>[   15.600298] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm])

  842 22:38:08.110505  <6>[   15.612578] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm])

  843 22:38:08.110728  <6>[   15.621585] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm])

  844 22:38:08.110943  <6>[   15.632052] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm])

  845 22:38:08.156817  <6>[   15.658899] caam 2100000.crypto: Instantiated RNG4 SH1

  846 22:38:08.157287  <6>[   15.664407] caam 2100000.crypto: device ID = 0x0a16010000000000 (Era 4)

  847 22:38:08.157619  <4>[   15.670135] panel-simple panel-lcd: supply power not found, using dummy regulator

  848 22:38:08.157912  <6>[   15.671312] caam 2100000.crypto: job rings = 2, qi = 0

  849 22:38:08.158140  <4>[   15.681890] panel-simple panel-lcd: Specify missing connector_type

  850 22:38:08.182843  <4>[   15.706330] panel-simple panel-lvds0: supply power not found, using dummy regulator

  851 22:38:08.242675  <6>[   15.739914] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm])

  852 22:38:08.243137  <6>[   15.748930] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm])

  853 22:38:08.243395  <6>[   15.757777] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm])

  854 22:38:08.243640  <6>[   15.766632] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm])

  855 22:38:08.268540  <4>[   15.792334] usb_phy_generic usbphynop1: supply vcc not found, using dummy regulator

  856 22:38:08.301450  <4>[   15.814196] usb_phy_generic usbphynop1: dummy supplies not allowed for exclusive requests

  857 22:38:08.301907  <6>[   15.822644] sgtl5000 0-000a: sgtl5000 revision 0x11

  858 22:38:08.302174  <4>[   15.823204] usb_phy_generic usbphynop2: supply vcc not found, using dummy regulator

  859 22:38:08.358316  <4>[   15.847219] usb_phy_generic usbphynop2: dummy supplies not allowed for exclusive requests

  860 22:38:08.358738  <6>[   15.859696] sgtl5000 0-000a: Using internal LDO instead of VDDD: check ER1 erratum

  861 22:38:08.358993  <4>[   15.873450] panel-simple panel-lcd: supply power not found, using dummy regulator

  862 22:38:08.359220  <4>[   15.884264] panel-simple panel-lcd: Specify missing connector_type

  863 22:38:08.379465  <4>[   15.902956] panel-simple panel-lvds0: supply power not found, using dummy regulator

  864 22:38:08.462231  <6>[   15.957851] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm])

  865 22:38:08.462716  <6>[   15.966778] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm])

  866 22:38:08.462987  <6>[   15.975887] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm])

  867 22:38:08.463193  <6>[   15.984686] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm])

  868 22:38:08.562956  <4>[   16.060103] panel-simple panel-lcd: supply power not found, using dummy regulator

  869 22:38:08.563381  <4>[   16.068680] panel-simple panel-lcd: Specify missing connector_type

  870 22:38:08.563613  <4>[   16.084647] panel-simple panel-lvds0: supply power not found, using dummy regulator

  871 22:38:08.611913  <6>[   16.107823] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm])

  872 22:38:08.612344  <6>[   16.116642] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm])

  873 22:38:08.612596  <6>[   16.125395] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm])

  874 22:38:08.612799  <6>[   16.134103] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm])

  875 22:38:08.908490  <6>[   16.432053] caam algorithms registered in /proc/crypto

  876 22:38:08.924539  <6>[   16.462794] caam 2100000.crypto: registering rng-caam

  877 22:38:08.990077  <4>[   16.490104] panel-simple panel-lcd: supply power not found, using dummy regulator

  878 22:38:08.990541  <4>[   16.498668] panel-simple panel-lcd: Specify missing connector_type

  879 22:38:08.990822  <4>[   16.511553] panel-simple panel-lvds0: supply power not found, using dummy regulator

  880 22:38:09.049261  <6>[   16.545194] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm])

  881 22:38:09.049823  <6>[   16.553959] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm])

  882 22:38:09.050143  <6>[   16.562669] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm])

  883 22:38:09.050392  <6>[   16.571493] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm])

  884 22:38:09.100155  <4>[   16.618019] panel-simple panel-lcd: supply power not found, using dummy regulator

  885 22:38:09.100626  <4>[   16.626595] panel-simple panel-lcd: Specify missing connector_type

  886 22:38:09.137058  <4>[   16.652640] panel-simple panel-lvds0: supply power not found, using dummy regulator

  887 22:38:09.137527  <5>[   16.663533] random: crng init done

  888 22:38:09.192130  <6>[   16.686416] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm])

  889 22:38:09.192599  <6>[   16.695160] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm])

  890 22:38:09.192878  <6>[   16.703876] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm])

  891 22:38:09.193106  <6>[   16.712493] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm])

  892 22:38:09.193322  Begin: Loading essential drivers ... done.

  893 22:38:09.193536  Begin: Running /scripts/init-premount ... done.

  894 22:38:09.218767  Begin: Mounting root file system ... Begin: Running /scripts/nfs-top ... done.

  895 22:38:09.219225  Begin: Running /scripts/nfs-premount ... Waiting up to 60 secs for any ethernet to become available

  896 22:38:09.234762  Device /sys/class/net/eth0 found

  897 22:38:09.235191  done.

  898 22:38:09.488437  IP-Config: eth0 hardware address 00:19:b8:08:f1:1c mtu 1500 DHCP

  899 22:38:09.488902  IP-Config: eth0 complete (dhcp from 192.168.201.1):

  900 22:38:09.489177   address: 192.168.201.36   broadcast: 192.168.201.255  netmask: 255.255.255.0   

  901 22:38:09.489405   gateway: 192.168.201.1    dns0     : 192.168.201.1    dns1   : 0.0.0.0         

  902 22:38:09.489619   host   : imx6q-sabrelite-lava-cbg-6                                      

  903 22:38:09.489865   domain : lava-rack                                                       

  904 22:38:09.490075   rootserver: 192.168.201.1 rootpath: 

  905 22:38:09.490281   filename  : 

  906 22:38:09.583671  done.

  907 22:38:09.604547  Begin: Running /scripts/nfs-bottom ... done.

  908 22:38:09.668925  Begin: Running /scripts/init-bottom ... done.

  909 22:38:10.914274  <30>[   18.440543] systemd[1]: System time before build time, advancing clock.

  910 22:38:11.151750  <30>[   18.659899] systemd[1]: systemd 247.3-7+deb11u2 running in system mode. (+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 +ZSTD +SECCOMP +BLKID +ELFUTILS +KMOD +IDN2 -IDN +PCRE2 default-hierarchy=unified)

  911 22:38:11.167730  <30>[   18.696445] systemd[1]: Detected architecture arm.

  912 22:38:11.183661  

  913 22:38:11.183752  Welcome to Debian GNU/Linux 11 (bullseye)!

  914 22:38:11.183826  

  915 22:38:11.223547  <30>[   18.747472] systemd[1]: Set hostname to <debian-bullseye-armhf>.

  916 22:38:12.609707  <30>[   20.113005] systemd[1]: Queued start job for default target Graphical Interface.

  917 22:38:12.610165  <30>[   20.127138] systemd[1]: Created slice system-getty.slice.

  918 22:38:12.610425  [  OK  ] Created slice system-getty.slice.

  919 22:38:12.658281  <30>[   20.168568] systemd[1]: Created slice system-modprobe.slice.

  920 22:38:12.658721  [  OK  ] Created slice system-modprobe.slice.

  921 22:38:12.703265  <30>[   20.218578] systemd[1]: Created slice system-serial\x2dgetty.slice.

  922 22:38:12.703694  [  OK  ] Created slice system-serial\x2dgetty.slice.

  923 22:38:12.744082  <30>[   20.257733] systemd[1]: Created slice User and Session Slice.

  924 22:38:12.744542  [  OK  ] Created slice User and Session Slice.

  925 22:38:12.800130  <30>[   20.307593] systemd[1]: Started Dispatch Password Requests to Console Directory Watch.

  926 22:38:12.800478  [  OK  ] Started Dispatch Password …ts to Console Directory Watch.

  927 22:38:12.847015  <30>[   20.356757] systemd[1]: Started Forward Password Requests to Wall Directory Watch.

  928 22:38:12.847434  [  OK  ] Started Forward Password R…uests to Wall Directory Watch.

  929 22:38:12.904923  <30>[   20.405442] systemd[1]: Condition check resulted in Arbitrary Executable File Formats File System Automount Point being skipped.

  930 22:38:12.905360  <30>[   20.419338] systemd[1]: Reached target Local Encrypted Volumes.

  931 22:38:12.905614  [  OK  ] Reached target Local Encrypted Volumes.

  932 22:38:12.932899  <30>[   20.454519] systemd[1]: Reached target Paths.

  933 22:38:12.933357  [  OK  ] Reached target Paths.

  934 22:38:12.981799  <30>[   20.494797] systemd[1]: Reached target Remote File Systems.

  935 22:38:12.982259  [  OK  ] Reached target Remote File Systems.

  936 22:38:12.997692  <30>[   20.534360] systemd[1]: Reached target Slices.

  937 22:38:13.013565  [  OK  ] Reached target Slices.

  938 22:38:13.055699  <30>[   20.574701] systemd[1]: Reached target Swap.

  939 22:38:13.056155  [  OK  ] Reached target Swap.

  940 22:38:13.119560  <30>[   20.629049] systemd[1]: Listening on initctl Compatibility Named Pipe.

  941 22:38:13.120019  [  OK  ] Listening on initctl Compatibility Named Pipe.

  942 22:38:13.217355  <30>[   20.722240] systemd[1]: Condition check resulted in Journal Audit Socket being skipped.

  943 22:38:13.217848  <30>[   20.735805] systemd[1]: Listening on Journal Socket (/dev/log).

  944 22:38:13.218143  [  OK  ] Listening on Journal Socket (/dev/log).

  945 22:38:13.256393  <30>[   20.777484] systemd[1]: Listening on Journal Socket.

  946 22:38:13.256853  [  OK  ] Listening on Journal Socket.

  947 22:38:13.308325  <30>[   20.820347] systemd[1]: Listening on Network Service Netlink Socket.

  948 22:38:13.308788  [  OK  ] Listening on Network Service Netlink Socket.

  949 22:38:13.358121  <30>[   20.874177] systemd[1]: Listening on udev Control Socket.

  950 22:38:13.358584  [  OK  ] Listening on udev Control Socket.

  951 22:38:13.426764  <30>[   20.920022] systemd[1]: Listening on udev Kernel Socket.

  952 22:38:13.427216  [  OK  ] Listening on udev Kernel Socket.

  953 22:38:13.427480  <30>[   20.939670] systemd[1]: Condition check resulted in Huge Pages File System being skipped.

  954 22:38:13.427707  <30>[   20.949209] systemd[1]: Condition check resulted in POSIX Message Queue File System being skipped.

  955 22:38:13.449405  <30>[   20.968653] systemd[1]: Mounting Kernel Debug File System...

  956 22:38:13.449538           Mounting Kernel Debug File System...

  957 22:38:13.506359  <30>[   21.021871] systemd[1]: Mounting Kernel Trace File System...

  958 22:38:13.506438           Mounting Kernel Trace File System...

  959 22:38:13.575868  <30>[   21.090860] systemd[1]: Starting Create list of static device nodes for the current kernel...

  960 22:38:13.576312           Starting Create list of st…odes for the current kernel...

  961 22:38:13.646560  <30>[   21.158736] systemd[1]: Starting Load Kernel Module configfs...

  962 22:38:13.647024           Starting Load Kernel Module configfs...

  963 22:38:13.711428  <30>[   21.226729] systemd[1]: Starting Load Kernel Module drm...

  964 22:38:13.711923           Starting Load Kernel Module drm...

  965 22:38:13.761328  <30>[   21.276642] systemd[1]: Starting Load Kernel Module fuse...

  966 22:38:13.761819           Starting Load Kernel Module fuse...

  967 22:38:13.848764  <30>[   21.360403] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped.

  968 22:38:13.848918  <6>[   21.376439] fuse: init (API version 7.32)

  969 22:38:13.877522  <30>[   21.399075] systemd[1]: Starting Journal Service...

  970 22:38:13.877590           Starting Journal Service...

  971 22:38:13.933413  <30>[   21.453204] systemd[1]: Starting Load Kernel Modules...

  972 22:38:13.933482           Starting Load Kernel Modules...

  973 22:38:13.996492  <30>[   21.513049] systemd[1]: Starting Remount Root and Kernel File Systems...

  974 22:38:13.996576           Starting Remount Root and Kernel File Systems...

  975 22:38:14.056420  <30>[   21.573237] systemd[1]: Starting Coldplug All udev Devices...

  976 22:38:14.056529           Starting Coldplug All udev Devices...

  977 22:38:14.095536  <30>[   21.611900] systemd[1]: Mounted Kernel Debug File System.

  978 22:38:14.095891  [  OK  ] Mounted Kernel Debug File System.

  979 22:38:14.139136  <30>[   21.656107] systemd[1]: Mounted Kernel Trace File System.

  980 22:38:14.139214  [  OK  ] Mounted Kernel Trace File System.

  981 22:38:14.199197  <30>[   21.711605] systemd[1]: Finished Create list of static device nodes for the current kernel.

  982 22:38:14.199263  [  OK  ] Finished Create list of st… nodes for the current kernel.

  983 22:38:14.296289  <30>[   21.802184] systemd[1]: modprobe@configfs.service: Succeeded.

  984 22:38:14.296639  <30>[   21.813252] systemd[1]: Finished Load Kernel Module configfs.

  985 22:38:14.296895  [  OK  ] Finished Load Kernel Module configfs.

  986 22:38:14.360231  <30>[   21.869080] systemd[1]: modprobe@drm.service: Succeeded.

  987 22:38:14.360653  <30>[   21.878826] systemd[1]: Finished Load Kernel Module drm.

  988 22:38:14.360897  [  OK  ] Finished Load Kernel Module drm.

  989 22:38:14.422097  <30>[   21.929373] systemd[1]: modprobe@fuse.service: Succeeded.

  990 22:38:14.422579  <30>[   21.939186] systemd[1]: Finished Load Kernel Module fuse.

  991 22:38:14.422842  [  OK  ] Finished Load Kernel Module fuse.

  992 22:38:14.472844  <30>[   21.988848] systemd[1]: Finished Load Kernel Modules.

  993 22:38:14.473172  [  OK  ] Finished Load Kernel Modules.

  994 22:38:14.512801  <30>[   22.028784] systemd[1]: Finished Remount Root and Kernel File Systems.

  995 22:38:14.513245  [  OK  ] Finished Remount Root and Kernel File Systems.

  996 22:38:14.578826  <30>[   22.095359] systemd[1]: Mounting FUSE Control File System...

  997 22:38:14.579137           Mounting FUSE Control File System...

  998 22:38:14.633388  <30>[   22.152169] systemd[1]: Mounting Kernel Configuration File System...

  999 22:38:14.633467           Mounting Kernel Configuration File System...

 1000 22:38:14.721686  <30>[   22.211749] systemd[1]: Condition check resulted in Rebuild Hardware Database being skipped.

 1001 22:38:14.722106  <30>[   22.221730] systemd[1]: Condition check resulted in Platform Persistent Storage Archival being skipped.

 1002 22:38:14.722369  <30>[   22.239764] systemd[1]: Starting Load/Save Random Seed...

 1003 22:38:14.722590           Starting Load/Save Random Seed...

 1004 22:38:14.766068  <30>[   22.282740] systemd[1]: Starting Apply Kernel Variables...

 1005 22:38:14.766147           Starting Apply Kernel Variables...

 1006 22:38:14.821079  <30>[   22.344851] systemd[1]: Starting Create System Users...

 1007 22:38:14.821261           Starting Create System Users...

 1008 22:38:14.881487  <30>[   22.401510] systemd[1]: Started Journal Service.

 1009 22:38:14.881947  [  OK  ] Started Journal Service.

 1010 22:38:14.936071  [  OK  ] Mounted FUSE Control File System.

 1011 22:38:14.975069  [  OK  ] Mounted Kernel Configuration File System.

 1012 22:38:15.018498  [  OK  ] Finished Load/Save Random Seed.

 1013 22:38:15.066848  [  OK  ] Finished Apply Kernel Variables.

 1014 22:38:15.115015  [  OK  ] Finished Create System Users.

 1015 22:38:15.183656           Starting Flush Journal to Persistent Storage...

 1016 22:38:15.231565           Starting Create Static Device Nodes in /dev...

 1017 22:38:15.274492  <46>[   22.798393] systemd-journald[281]: Received client request to flush runtime journal.

 1018 22:38:15.433861  [  OK  ] Finished Create Static Device Nodes in /dev.

 1019 22:38:15.463359  [  OK  ] Reached target Local File Systems (Pre).

 1020 22:38:15.501671  [  OK  ] Reached target Local File Systems.

 1021 22:38:15.564578           Starting Rule-based Manage…for Device Events and Files...

 1022 22:38:16.091655  [  OK  ] Finished Flush Journal to Persistent Storage.

 1023 22:38:16.133524           Starting Create Volatile Files and Directories...

 1024 22:38:16.172685  [  OK  ] Started Rule-based Manager for Device Events and Files.

 1025 22:38:16.220713           Starting Network Service...

 1026 22:38:17.195231  [  OK  ] Started Network Service.

 1027 22:38:17.375818  [  OK  ] Finished Create Volatile Files and Directories.

 1028 22:38:17.503645           Starting Network Name Resolution...

 1029 22:38:17.582422           Starting Network Time Synchronization...

 1030 22:38:17.643243           Starting Update UTMP about System Boot/Shutdown...

 1031 22:38:17.887880  [  OK  ] Finished Update UTMP about System Boot/Shutdown.

 1032 22:38:18.826099  [  OK  ] Started Network Time Synchronization.

 1033 22:38:18.923867  [  OK  ] Reached target System Time Set.

 1034 22:38:18.924290  [  OK  ] Reached target System Time Synchronized.

 1035 22:38:19.169589  [  OK  ] Started Network Name Resolution.

 1036 22:38:19.201333  [  OK  ] Reached target Network.

 1037 22:38:19.231884  [  OK  ] Reached target Host and Network Name Lookups.

 1038 22:38:19.654202  [  OK  ] Finished Coldplug All udev Devices.

 1039 22:38:19.702277  [  OK  ] Found device /dev/ttymxc1.

 1040 22:38:19.797858  [  OK  ] Reached target System Initialization.

 1041 22:38:19.870898  [  OK  ] Started Daily apt download activities.

 1042 22:38:19.911210  [  OK  ] Started Daily apt upgrade and clean activities.

 1043 22:38:19.949072  [  OK  ] Started Periodic ext4 Onli…ata Check for All Filesystems.

 1044 22:38:19.989951  [  OK  ] Started Discard unused blocks once a week.

 1045 22:38:20.033006  [  OK  ] Started Daily Cleanup of Temporary Directories.

 1046 22:38:20.064849  [  OK  ] Reached target Timers.

 1047 22:38:20.102861  [  OK  ] Reached target Hardware activated USB gadget.

 1048 22:38:20.150675  [  OK  ] Listening on D-Bus System Message Bus Socket.

 1049 22:38:20.182259  [  OK  ] Reached target Sockets.

 1050 22:38:20.222529  [  OK  ] Reached target Basic System.

 1051 22:38:20.266470  [  OK  ] Started D-Bus System Message Bus.

 1052 22:38:20.426015           Starting Remove Stale Onli…t4 Metadata Check Snapshots...

 1053 22:38:20.569591           Starting User Login Management...

 1054 22:38:20.601544           Starting Permit User Sessions...

 1055 22:38:20.793557  [  OK  ] Finished Permit User Sessions.

 1056 22:38:21.697043  [  OK  ] Finished Remove Stale Onli…ext4 Metadata Check Snapshots.

 1057 22:38:23.032595  [  OK  ] Started User Login Management.

 1058 22:38:23.076559  [  OK  ] Listening on Load/Save RF …itch Status /dev/rfkill Watch.

 1059 22:38:23.124533  [  OK  ] Started Getty on tty1.

 1060 22:38:23.188292  [  OK  ] Started Serial Getty on ttymxc1.

 1061 22:38:23.229271  [  OK  ] Reached target Login Prompts.

 1062 22:38:23.276173  [  OK  ] Reached target Multi-User System.

 1063 22:38:23.323612  [  OK  ] Reached target Graphical Interface.

 1064 22:38:23.376869           Starting Update UTMP about System Runlevel Changes...

 1065 22:38:23.557612  [  OK  ] Finished Update UTMP about System Runlevel Changes.

 1066 22:38:23.669077  

 1067 22:38:23.669502  

 1068 22:38:23.690074  Debian GNU/Linux 11 debian-bullseye-armhf ttymxc1

 1069 22:38:23.690483  

 1070 22:38:23.690705  debian-bullseye-armhf login: root (automatic login)

 1071 22:38:23.690902  

 1072 22:38:23.691089  

 1073 22:38:24.299035  Linux debian-bullseye-armhf 5.10.202-cip41 #1 SMP Tue Nov 28 22:16:48 UTC 2023 armv7l

 1074 22:38:24.299450  

 1075 22:38:24.299677  The programs included with the Debian GNU/Linux system are free software;

 1076 22:38:24.299879  the exact distribution terms for each program are described in the

 1077 22:38:24.300066  individual files in /usr/share/doc/*/copyright.

 1078 22:38:24.300251  

 1079 22:38:24.300432  Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent

 1080 22:38:24.300617  permitted by applicable law.

 1081 22:38:28.723695  Matched prompt #10: / #
 1083 22:38:28.724545  Setting prompt string to ['/ #']
 1084 22:38:28.724840  end: 2.4.4.1 login-action (duration 00:00:37) [common]
 1086 22:38:28.725482  end: 2.4.4 auto-login-action (duration 00:00:38) [common]
 1087 22:38:28.725795  start: 2.4.5 expect-shell-connection (timeout 00:03:24) [common]
 1088 22:38:28.726029  Setting prompt string to ['/ #']
 1089 22:38:28.726222  Forcing a shell prompt, looking for ['/ #']
 1091 22:38:28.776848  / # 

 1092 22:38:28.777382  expect-shell-connection: Wait for prompt ['/ #'] (timeout 00:05:00)
 1093 22:38:28.777768  Waiting using forced prompt support (timeout 00:02:30)
 1094 22:38:28.786997  

 1095 22:38:28.803310  end: 2.4.5 expect-shell-connection (duration 00:00:00) [common]
 1096 22:38:28.803835  start: 2.4.6 export-device-env (timeout 00:03:24) [common]
 1097 22:38:28.804162  Sending with 10 millisecond of delay
 1099 22:38:33.929099  / # export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/12110040/extract-nfsrootfs-ww3wlk5b'

 1100 22:38:33.945429  export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/12110040/extract-nfsrootfs-ww3wlk5b'

 1101 22:38:33.946167  Sending with 10 millisecond of delay
 1103 22:38:36.172493  / # export NFS_SERVER_IP='192.168.201.1'

 1104 22:38:36.183401  export NFS_SERVER_IP='192.168.201.1'

 1105 22:38:36.197872  end: 2.4.6 export-device-env (duration 00:00:07) [common]
 1106 22:38:36.198423  end: 2.4 uboot-commands (duration 00:01:43) [common]
 1107 22:38:36.198817  end: 2 uboot-action (duration 00:01:43) [common]
 1108 22:38:36.199167  start: 3 lava-test-retry (timeout 00:07:52) [common]
 1109 22:38:36.199518  start: 3.1 lava-test-shell (timeout 00:07:52) [common]
 1110 22:38:36.199792  Using namespace: common
 1112 22:38:36.300820  / # #

 1113 22:38:36.301368  lava-test-shell: Wait for prompt ['/ #'] (timeout 00:10:00)
 1114 22:38:36.309191  #

 1115 22:38:36.325435  Using /lava-12110040
 1117 22:38:36.426651  / # export SHELL=/bin/bash

 1118 22:38:36.436983  export SHELL=/bin/bash

 1120 22:38:36.554226  / # . /lava-12110040/environment

 1121 22:38:36.564575  . /lava-12110040/environment

 1123 22:38:36.681946  / # /lava-12110040/bin/lava-test-runner /lava-12110040/0

 1124 22:38:36.682511  Test shell timeout: 10s (minimum of the action and connection timeout)
 1125 22:38:36.692346  /lava-12110040/bin/lava-test-runner /lava-12110040/0

 1126 22:38:37.282331  + export TESTRUN_ID=0_timesync-off

 1127 22:38:37.282788  + TESTRUN_ID=0_timesync-off

 1128 22:38:37.283061  + cd /lava-12110040/0/tests/0_timesync-off

 1129 22:38:37.283263  ++ cat uuid

 1130 22:38:37.327119  + UUID=12110040_1.6.2.4.1

 1131 22:38:37.327532  + set +x

 1132 22:38:37.327787  <LAVA_SIGNAL_STARTRUN 0_timesync-off 12110040_1.6.2.4.1>

 1133 22:38:37.327991  + systemctl stop systemd-timesyncd

 1134 22:38:37.328423  Received signal: <STARTRUN> 0_timesync-off 12110040_1.6.2.4.1
 1135 22:38:37.328658  Starting test lava.0_timesync-off (12110040_1.6.2.4.1)
 1136 22:38:37.328916  Skipping test definition patterns.
 1137 22:38:37.439055  + set +x

 1138 22:38:37.455069  <LAVA_SIGNAL_ENDRUN 0_timesync-off 12110040_1.6.2.4.1>

 1139 22:38:37.455729  Received signal: <ENDRUN> 0_timesync-off 12110040_1.6.2.4.1
 1140 22:38:37.456044  Ending use of test pattern.
 1141 22:38:37.456268  Ending test lava.0_timesync-off (12110040_1.6.2.4.1), duration 0.13
 1143 22:38:37.667504  + export TESTRUN_ID=1_kselftest-lkdtm

 1144 22:38:37.667946  + TESTRUN_ID=1_kselftest-lkdtm

 1145 22:38:37.668223  + cd /lava-12110040/0/tests/1_kselftest-lkdtm

 1146 22:38:37.668430  ++ cat uuid

 1147 22:38:37.736457  + UUID=12110040_1.6.2.4.5

 1148 22:38:37.736868  + set +x

 1149 22:38:37.737098  <LAVA_SIGNAL_STARTRUN 1_kselftest-lkdtm 12110040_1.6.2.4.5>

 1150 22:38:37.737300  + cd ./automated/linux/kselftest/

 1151 22:38:37.737499  + ./kselftest.sh -c lkdtm -T '' -t kselftest_armhf.tar.gz -s True -u http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.201-cip41-197-g2d08925b44e52/arm/multi_v7_defconfig+kselftest/gcc-10/kselftest.tar.xz -L '' -S /dev/null -b imx6q-sabrelite -g cip-gitlab -e '' -p /opt/kselftests/mainline/ -n 1 -i 1

 1152 22:38:37.737980  Received signal: <STARTRUN> 1_kselftest-lkdtm 12110040_1.6.2.4.5
 1153 22:38:37.738206  Starting test lava.1_kselftest-lkdtm (12110040_1.6.2.4.5)
 1154 22:38:37.738491  Skipping test definition patterns.
 1155 22:38:37.896102  INFO: install_deps skipped

 1156 22:38:38.134024  --2023-11-28 22:38:08--  http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.201-cip41-197-g2d08925b44e52/arm/multi_v7_defconfig+kselftest/gcc-10/kselftest.tar.xz

 1157 22:38:38.134465  Resolving storage.kernelci.org (storage.kernelci.org)... 20.171.243.82

 1158 22:38:38.245800  Connecting to storage.kernelci.org (storage.kernelci.org)|20.171.243.82|:80... connected.

 1159 22:38:38.373507  HTTP request sent, awaiting response... 200 OK

 1160 22:38:38.399595  Length: 1410712 (1.3M) [application/octet-stream]

 1161 22:38:38.400045  Saving to: 'kselftest.tar.xz'

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 1199 22:38:46.688594  

 1200 22:38:46.735724  2023-11-28 22:38:17 (166 KB/s) - 'kselftest.tar.xz' saved [1410712/1410712]

 1201 22:38:46.736153  

 1202 22:38:50.536678  skiplist:

 1203 22:38:50.552541  ========================================

 1204 22:38:50.552854  ========================================

 1205 22:38:50.648419  lkdtm:PANIC.sh

 1206 22:38:50.648827  lkdtm:BUG.sh

 1207 22:38:50.649072  lkdtm:WARNING.sh

 1208 22:38:50.691583  lkdtm:WARNING_MESSAGE.sh

 1209 22:38:50.692003  lkdtm:EXCEPTION.sh

 1210 22:38:50.692248  lkdtm:LOOP.sh

 1211 22:38:50.692445  lkdtm:EXHAUST_STACK.sh

 1212 22:38:50.692629  lkdtm:CORRUPT_STACK.sh

 1213 22:38:50.692810  lkdtm:CORRUPT_STACK_STRONG.sh

 1214 22:38:50.692989  lkdtm:CORRUPT_LIST_ADD.sh

 1215 22:38:50.693170  lkdtm:CORRUPT_LIST_DEL.sh

 1216 22:38:50.693350  lkdtm:STACK_GUARD_PAGE_LEADING.sh

 1217 22:38:50.693528  lkdtm:STACK_GUARD_PAGE_TRAILING.sh

 1218 22:38:50.693740  lkdtm:UNSET_SMEP.sh

 1219 22:38:50.693926  lkdtm:DOUBLE_FAULT.sh

 1220 22:38:50.694103  lkdtm:CORRUPT_PAC.sh

 1221 22:38:50.694280  lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh

 1222 22:38:50.694457  lkdtm:OVERWRITE_ALLOCATION.sh

 1223 22:38:50.694634  lkdtm:WRITE_AFTER_FREE.sh

 1224 22:38:50.694806  lkdtm:READ_AFTER_FREE.sh

 1225 22:38:50.694981  lkdtm:WRITE_BUDDY_AFTER_FREE.sh

 1226 22:38:50.734604  lkdtm:READ_BUDDY_AFTER_FREE.sh

 1227 22:38:50.735014  lkdtm:SLAB_FREE_DOUBLE.sh

 1228 22:38:50.735274  lkdtm:SLAB_FREE_CROSS.sh

 1229 22:38:50.735477  lkdtm:SLAB_FREE_PAGE.sh

 1230 22:38:50.735663  lkdtm:SOFTLOCKUP.sh

 1231 22:38:50.735846  lkdtm:HARDLOCKUP.sh

 1232 22:38:50.736053  lkdtm:SPINLOCKUP.sh

 1233 22:38:50.736237  lkdtm:HUNG_TASK.sh

 1234 22:38:50.736417  lkdtm:EXEC_DATA.sh

 1235 22:38:50.736605  lkdtm:EXEC_STACK.sh

 1236 22:38:50.736798  lkdtm:EXEC_KMALLOC.sh

 1237 22:38:50.736981  lkdtm:EXEC_VMALLOC.sh

 1238 22:38:50.737160  lkdtm:EXEC_RODATA.sh

 1239 22:38:50.737336  lkdtm:EXEC_USERSPACE.sh

 1240 22:38:50.737511  lkdtm:EXEC_NULL.sh

 1241 22:38:50.737718  lkdtm:ACCESS_USERSPACE.sh

 1242 22:38:50.737903  lkdtm:ACCESS_NULL.sh

 1243 22:38:50.738114  lkdtm:WRITE_RO.sh

 1244 22:38:50.738296  lkdtm:WRITE_RO_AFTER_INIT.sh

 1245 22:38:50.738473  lkdtm:WRITE_KERN.sh

 1246 22:38:50.738652  lkdtm:REFCOUNT_INC_OVERFLOW.sh

 1247 22:38:50.777582  lkdtm:REFCOUNT_ADD_OVERFLOW.sh

 1248 22:38:50.778012  lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh

 1249 22:38:50.778241  lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh

 1250 22:38:50.778440  lkdtm:REFCOUNT_DEC_ZERO.sh

 1251 22:38:50.778627  lkdtm:REFCOUNT_DEC_NEGATIVE.sh

 1252 22:38:50.778812  lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh

 1253 22:38:50.778993  lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh

 1254 22:38:50.779178  lkdtm:REFCOUNT_INC_ZERO.sh

 1255 22:38:50.779357  lkdtm:REFCOUNT_ADD_ZERO.sh

 1256 22:38:50.779536  lkdtm:REFCOUNT_INC_SATURATED.sh

 1257 22:38:50.779714  lkdtm:REFCOUNT_DEC_SATURATED.sh

 1258 22:38:50.779890  lkdtm:REFCOUNT_ADD_SATURATED.sh

 1259 22:38:50.780067  lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh

 1260 22:38:50.780246  lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh

 1261 22:38:50.820692  lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh

 1262 22:38:50.821105  lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh

 1263 22:38:50.821330  lkdtm:REFCOUNT_TIMING.sh

 1264 22:38:50.821524  lkdtm:ATOMIC_TIMING.sh

 1265 22:38:50.821738  lkdtm:USERCOPY_HEAP_SIZE_TO.sh

 1266 22:38:50.821926  lkdtm:USERCOPY_HEAP_SIZE_FROM.sh

 1267 22:38:50.822112  lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh

 1268 22:38:50.822297  lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh

 1269 22:38:50.822479  lkdtm:USERCOPY_STACK_FRAME_TO.sh

 1270 22:38:50.822658  lkdtm:USERCOPY_STACK_FRAME_FROM.sh

 1271 22:38:50.822836  lkdtm:USERCOPY_STACK_BEYOND.sh

 1272 22:38:50.823014  lkdtm:USERCOPY_KERNEL.sh

 1273 22:38:50.823191  lkdtm:STACKLEAK_ERASING.sh

 1274 22:38:50.823373  lkdtm:CFI_FORWARD_PROTO.sh

 1275 22:38:50.823549  ============== Tests to run ===============

 1276 22:38:50.863801  lkdtm:PANIC.sh

 1277 22:38:50.864216  lkdtm:BUG.sh

 1278 22:38:50.864461  lkdtm:WARNING.sh

 1279 22:38:50.864655  lkdtm:WARNING_MESSAGE.sh

 1280 22:38:50.864842  lkdtm:EXCEPTION.sh

 1281 22:38:50.865024  lkdtm:LOOP.sh

 1282 22:38:50.865229  lkdtm:EXHAUST_STACK.sh

 1283 22:38:50.865425  lkdtm:CORRUPT_STACK.sh

 1284 22:38:50.865619  lkdtm:CORRUPT_STACK_STRONG.sh

 1285 22:38:50.865849  lkdtm:CORRUPT_LIST_ADD.sh

 1286 22:38:50.866050  lkdtm:CORRUPT_LIST_DEL.sh

 1287 22:38:50.866244  lkdtm:STACK_GUARD_PAGE_LEADING.sh

 1288 22:38:50.866421  lkdtm:STACK_GUARD_PAGE_TRAILING.sh

 1289 22:38:50.866597  lkdtm:UNSET_SMEP.sh

 1290 22:38:50.866772  lkdtm:DOUBLE_FAULT.sh

 1291 22:38:50.866947  lkdtm:CORRUPT_PAC.sh

 1292 22:38:50.867126  lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh

 1293 22:38:50.867302  lkdtm:OVERWRITE_ALLOCATION.sh

 1294 22:38:50.867479  lkdtm:WRITE_AFTER_FREE.sh

 1295 22:38:50.906874  lkdtm:READ_AFTER_FREE.sh

 1296 22:38:50.907317  lkdtm:WRITE_BUDDY_AFTER_FREE.sh

 1297 22:38:50.907563  lkdtm:READ_BUDDY_AFTER_FREE.sh

 1298 22:38:50.907780  lkdtm:SLAB_FREE_DOUBLE.sh

 1299 22:38:50.907991  lkdtm:SLAB_FREE_CROSS.sh

 1300 22:38:50.908225  lkdtm:SLAB_FREE_PAGE.sh

 1301 22:38:50.908429  lkdtm:SOFTLOCKUP.sh

 1302 22:38:50.908626  lkdtm:HARDLOCKUP.sh

 1303 22:38:50.908822  lkdtm:SPINLOCKUP.sh

 1304 22:38:50.909013  lkdtm:HUNG_TASK.sh

 1305 22:38:50.909238  lkdtm:EXEC_DATA.sh

 1306 22:38:50.909444  lkdtm:EXEC_STACK.sh

 1307 22:38:50.909663  lkdtm:EXEC_KMALLOC.sh

 1308 22:38:50.909868  lkdtm:EXEC_VMALLOC.sh

 1309 22:38:50.910066  lkdtm:EXEC_RODATA.sh

 1310 22:38:50.910278  lkdtm:EXEC_USERSPACE.sh

 1311 22:38:50.910484  lkdtm:EXEC_NULL.sh

 1312 22:38:50.910681  lkdtm:ACCESS_USERSPACE.sh

 1313 22:38:50.910875  lkdtm:ACCESS_NULL.sh

 1314 22:38:50.911070  lkdtm:WRITE_RO.sh

 1315 22:38:50.911263  lkdtm:WRITE_RO_AFTER_INIT.sh

 1316 22:38:50.949918  lkdtm:WRITE_KERN.sh

 1317 22:38:50.950336  lkdtm:REFCOUNT_INC_OVERFLOW.sh

 1318 22:38:50.950582  lkdtm:REFCOUNT_ADD_OVERFLOW.sh

 1319 22:38:50.950793  lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh

 1320 22:38:50.950997  lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh

 1321 22:38:50.951199  lkdtm:REFCOUNT_DEC_ZERO.sh

 1322 22:38:50.951397  lkdtm:REFCOUNT_DEC_NEGATIVE.sh

 1323 22:38:50.951594  lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh

 1324 22:38:50.951791  lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh

 1325 22:38:50.951991  lkdtm:REFCOUNT_INC_ZERO.sh

 1326 22:38:50.952187  lkdtm:REFCOUNT_ADD_ZERO.sh

 1327 22:38:50.952386  lkdtm:REFCOUNT_INC_SATURATED.sh

 1328 22:38:50.952581  lkdtm:REFCOUNT_DEC_SATURATED.sh

 1329 22:38:50.952777  lkdtm:REFCOUNT_ADD_SATURATED.sh

 1330 22:38:50.952969  lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh

 1331 22:38:50.992850  lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh

 1332 22:38:50.993309  lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh

 1333 22:38:50.993566  lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh

 1334 22:38:50.993810  lkdtm:REFCOUNT_TIMING.sh

 1335 22:38:50.994018  lkdtm:ATOMIC_TIMING.sh

 1336 22:38:50.994253  lkdtm:USERCOPY_HEAP_SIZE_TO.sh

 1337 22:38:50.994462  lkdtm:USERCOPY_HEAP_SIZE_FROM.sh

 1338 22:38:50.994660  lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh

 1339 22:38:50.994858  lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh

 1340 22:38:50.995053  lkdtm:USERCOPY_STACK_FRAME_TO.sh

 1341 22:38:50.995249  lkdtm:USERCOPY_STACK_FRAME_FROM.sh

 1342 22:38:50.995473  lkdtm:USERCOPY_STACK_BEYOND.sh

 1343 22:38:50.995671  lkdtm:USERCOPY_KERNEL.sh

 1344 22:38:50.995864  lkdtm:STACKLEAK_ERASING.sh

 1345 22:38:51.013922  lkdtm:CFI_FORWARD_PROTO.sh

 1346 22:38:51.014380  ===========End Tests to run ===============

 1347 22:38:51.014684  shardfile-lkdtm pass

 1348 22:38:52.930301  <12>[   60.462902] kselftest: Running tests in lkdtm

 1349 22:38:52.962198  TAP version 13

 1350 22:38:52.994066  1..70

 1351 22:38:53.042200  # selftests: lkdtm: PANIC.sh

 1352 22:38:53.521359  # Skipping PANIC: crashes entire system

 1353 22:38:53.537118  ok 1 selftests: lkdtm: PANIC.sh # SKIP

 1354 22:38:53.569287  # selftests: lkdtm: BUG.sh

 1355 22:38:53.908709  <6>[   61.409405] lkdtm: Performing direct entry BUG

 1356 22:38:53.909164  <4>[   61.414503] ------------[ cut here ]------------

 1357 22:38:53.909429  <2>[   61.419392] kernel BUG at drivers/misc/lkdtm/bugs.c:76!

 1358 22:38:53.909680  <0>[   61.424883] Internal error: Oops - BUG: 0 [#1] SMP ARM

 1359 22:38:53.951954  <4>[   61.430288] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 1360 22:38:53.952426  <4>[   61.459580] CPU: 0 PID: 707 Comm: cat Not tainted 5.10.202-cip41 #1

 1361 22:38:53.952695  <4>[   61.466112] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 1362 22:38:53.952913  <4>[   61.472916] PC is at lkdtm_BUG+0x14/0x18

 1363 22:38:53.953123  <4>[   61.477108] LR is at lkdtm_do_action+0x2c/0x4c

 1364 22:38:53.953328  <4>[   61.481818] pc : [<c0c577fc>]    lr : [<c0c5727c>]    psr: a00e0013

 1365 22:38:53.953528  <4>[   61.488349] sp : c6f09e58  ip : c6f09e68  fp : c6f09e64

 1366 22:38:53.995114  <4>[   61.493841] r10: 00000004  r9 : c1ad5430  r8 : c15ebd0c

 1367 22:38:53.995574  <4>[   61.499330] r7 : c6f09f60  r6 : 00000004  r5 : c6cb9000  r4 : 00000001

 1368 22:38:53.995838  <4>[   61.506123] r3 : c0c577e8  r2 : affd1413  r1 : ef7815e0  r0 : c15ebd14

 1369 22:38:53.996055  <4>[   61.512917] Flags: NzCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 1370 22:38:53.996260  <4>[   61.520318] Control: 10c5387d  Table: 16f5004a  DAC: 00000051

 1371 22:38:53.996461  <0>[   61.526331] Process cat (pid: 707, stack limit = 0x7b95b698)

 1372 22:38:53.996660  <0>[   61.532257] Stack: (0xc6f09e58 to 0xc6f0a000)

 1373 22:38:54.038354  <0>[   61.536882] 9e40:                                                       c6f09e74 c6f09e68

 1374 22:38:54.038812  <0>[   61.545328] 9e60: c0c5727c c0c577f4 c6f09e9c c6f09e78 c0c5777c c0c5725c c0c5765c c5b97680

 1375 22:38:54.039087  <0>[   61.553775] 9e80: b6e74000 00000004 c53900c0 c6f09f60 c6f09ec4 c6f09ea0 c07e1728 c0c57668

 1376 22:38:54.039313  <0>[   61.562221] 9ea0: 00000000 c5b97680 b6e74000 c2815800 c6f09f60 c07e16c4 c6f09f5c c6f09ec8

 1377 22:38:54.039524  <0>[   61.570667] 9ec0: c059ba74 c07e16d0 00000001 00000000 c059c020 c13dc868 c059c020 c6f08000

 1378 22:38:54.081540  <0>[   61.579113] 9ee0: b6e74000 00020000 00000004 00000004 0001fffc c6f09ee0 00000001 b6e73000

 1379 22:38:54.082032  <0>[   61.587558] 9f00: c5a7ec80 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 1380 22:38:54.082300  <0>[   61.596004] 9f20: 00000000 00000000 c13dc868 affd1413 c206c120 c5b97680 c5b97680 c6f08000

 1381 22:38:54.082517  <0>[   61.604450] 9f40: b6e74000 00000000 00000000 00000004 c6f09f94 c6f09f60 c059c020 c059b974

 1382 22:38:54.082725  <0>[   61.612896] 9f60: 00000000 00000000 c6f09fac affd1413 00000004 00000004 b6fbbe00 00000004

 1383 22:38:54.124675  <0>[   61.621342] 9f80: c03002e4 c6f08000 c6f09fa4 c6f09f98 c059c0b0 c059bfb8 00000000 c6f09fa8

 1384 22:38:54.125135  <0>[   61.629786] 9fa0: c03000c0 c059c0a4 00000004 00000004 00000001 b6e74000 00000004 00000000

 1385 22:38:54.125406  <0>[   61.638232] 9fc0: 00000004 00000004 b6fbbe00 00000004 00000001 00000000 00020000 be849ac4

 1386 22:38:54.125627  <0>[   61.646676] 9fe0: 00000004 be8497f8 b6f25d8f b6eac7e6 800e0030 00000001 00000000 00000000

 1387 22:38:54.125873  <0>[   61.655115] Backtrace: 

 1388 22:38:54.126080  <0>[   61.657839] [<c0c577e8>] (lkdtm_BUG) from [<c0c5727c>] (lkdtm_do_action+0x2c/0x4c)

 1389 22:38:54.168001  <0>[   61.665679] [<c0c57250>] (lkdtm_do_action) from [<c0c5777c>] (direct_entry+0x120/0x18c)

 1390 22:38:54.168460  <0>[   61.673959] [<c0c5765c>] (direct_entry) from [<c07e1728>] (full_proxy_write+0x64/0x94)

 1391 22:38:54.168730  <0>[   61.682145]  r9:c6f09f60 r8:c53900c0 r7:00000004 r6:b6e74000 r5:c5b97680 r4:c0c5765c

 1392 22:38:54.168946  <0>[   61.690164] [<c07e16c4>] (full_proxy_write) from [<c059ba74>] (vfs_write+0x10c/0x53c)

 1393 22:38:54.169155  <0>[   61.698263]  r9:c07e16c4 r8:c6f09f60 r7:c2815800 r6:b6e74000 r5:c5b97680 r4:00000000

 1394 22:38:54.211166  <0>[   61.706276] [<c059b968>] (vfs_write) from [<c059c020>] (ksys_write+0x74/0xec)

 1395 22:38:54.211626  <0>[   61.713679]  r10:00000004 r9:00000000 r8:00000000 r7:b6e74000 r6:c6f08000 r5:c5b97680

 1396 22:38:54.211894  <0>[   61.721773]  r4:c5b97680

 1397 22:38:54.212115  <0>[   61.724577] [<c059bfac>] (ksys_write) from [<c059c0b0>] (sys_write+0x18/0x1c)

 1398 22:38:54.212323  <0>[   61.731980]  r9:c6f08000 r8:c03002e4 r7:00000004 r6:b6fbbe00 r5:00000004 r4:00000004

 1399 22:38:54.212527  <0>[   61.739994] [<c059c098>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 1400 22:38:54.212730  <0>[   61.747827] Exception stack(0xc6f09fa8 to 0xc6f09ff0)

 1401 22:38:54.254372  <0>[   61.753146] 9fa0:                   00000004 00000004 00000001 b6e74000 00000004 00000000

 1402 22:38:54.254829  <0>[   61.761590] 9fc0: 00000004 00000004 b6fbbe00 00000004 00000001 00000000 00020000 be849ac4

 1403 22:38:54.255099  <0>[   61.770032] 9fe0: 00000004 be8497f8 b6f25d8f b6eac7e6

 1404 22:38:54.255318  <0>[   61.775354] Code: e92dd800 e24cb004 e52de004 e8bd4000 (e7f001f2) 

 1405 22:38:54.255526  <4>[   61.781718] ---[ end trace 77357beb01f1e264 ]---

 1406 22:38:54.255729  <3>[   61.786604] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 1407 22:38:54.297559  <3>[   61.795743] in_atomic(): 0, irqs_disabled(): 128, non_block: 0, pid: 707, name: cat

 1408 22:38:54.298050  <4>[   61.803662] INFO: lockdep is turned off.

 1409 22:38:54.298319  <4>[   61.807849] irq event stamp: 1624

 1410 22:38:54.298536  <4>[   61.811439] hardirqs last  enabled at (1623): [<c03d6868>] console_unlock+0x4b0/0x6c0

 1411 22:38:54.298746  <4>[   61.819538] hardirqs last disabled at (1624): [<c0300c60>] __und_svc+0x60/0x6c

 1412 22:38:54.298953  <4>[   61.827028] softirqs last  enabled at (1620): [<c030219c>] __do_softirq+0x36c/0x5a0

 1413 22:38:54.340801  <4>[   61.834953] softirqs last disabled at (1603): [<c035f8fc>] __irq_exit_rcu+0x178/0x1d0

 1414 22:38:54.341258  <4>[   61.843052] CPU: 0 PID: 707 Comm: cat Tainted: G      D           5.10.202-cip41 #1

 1415 22:38:54.341518  <4>[   61.850972] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 1416 22:38:54.341764  <4>[   61.857762] Backtrace: 

 1417 22:38:54.341978  <4>[   61.860486] [<c13b9678>] (dump_backtrace) from [<c13b9a38>] (show_stack+0x20/0x24)

 1418 22:38:54.342182  <4>[   61.868323]  r7:ffffffff r6:600e0093 r5:00000000 r4:c1f1d0b8

 1419 22:38:54.342388  <4>[   61.874254] [<c13b9a18>] (show_stack) from [<c13c0c80>] (dump_stack+0xe0/0x100)

 1420 22:38:54.384033  <4>[   61.881838] [<c13c0ba0>] (dump_stack) from [<c038facc>] (___might_sleep+0x188/0x2e0)

 1421 22:38:54.384492  <4>[   61.889850]  r9:600e0093 r8:0000000b r7:c035c468 r6:00000031 r5:c19d1718 r4:c6f08000

 1422 22:38:54.384761  <4>[   61.897863] [<c038f944>] (___might_sleep) from [<c038fc94>] (__might_sleep+0x70/0xb0)

 1423 22:38:54.384981  <4>[   61.905960]  r6:00000000 r5:00000031 r4:c19d1718

 1424 22:38:54.385194  <4>[   61.910853] [<c038fc24>] (__might_sleep) from [<c036da68>] (exit_signals+0x4c/0x420)

 1425 22:38:54.385400  <4>[   61.918863]  r6:00000001 r5:c6f08000 r4:c692ec00

 1426 22:38:54.427218  <4>[   61.923757] [<c036da1c>] (exit_signals) from [<c035c468>] (do_exit+0x100/0xafc)

 1427 22:38:54.427674  <4>[   61.931334]  r8:0000000b r7:c1e1cb0c r6:ffffe000 r5:00000000 r4:c692ec00

 1428 22:38:54.427945  <4>[   61.938307] [<c035c368>] (do_exit) from [<c035e360>] (make_task_dead+0x68/0x74)

 1429 22:38:54.428162  <4>[   61.945880]  r7:c1e1cb0c

 1430 22:38:54.428369  <4>[   61.948689] [<c035e2f8>] (make_task_dead) from [<c030e940>] (die+0x370/0x37c)

 1431 22:38:54.428575  <4>[   61.956092] [<c030e5d0>] (die) from [<c030eabc>] (do_undefinstr+0x170/0x240)

 1432 22:38:54.428776  <4>[   61.963408]  r10:00000004 r9:c6f08000 r8:c15ebd0c r7:00000000 r6:c6f09dc8 r5:c0c577fc

 1433 22:38:54.470466  <4>[   61.971501]  r4:e7f001f2

 1434 22:38:54.470919  <4>[   61.974305] [<c030e94c>] (do_undefinstr) from [<c0300c6c>] (__und_svc_finish+0x0/0x54)

 1435 22:38:54.471190  <4>[   61.982485] Exception stack(0xc6f09dc8 to 0xc6f09e10)

 1436 22:38:54.471411  <4>[   61.987805] 9dc0:                   c15ebd14 ef7815e0 affd1413 c0c577e8 00000001 c6cb9000

 1437 22:38:54.471624  <4>[   61.996250] 9de0: 00000004 c6f09f60 c15ebd0c c1ad5430 00000004 c6f09e64 c6f09e68 c6f09e58

 1438 22:38:54.471828  <4>[   62.004693] 9e00: c0c5727c c0c577fc a00e0013 ffffffff

 1439 22:38:54.513706  <4>[   62.010011]  r7:c6f09dfc r6:ffffffff r5:a00e0013 r4:c0c57800

 1440 22:38:54.514164  <4>[   62.015940] [<c0c577e8>] (lkdtm_BUG) from [<c0c5727c>] (lkdtm_do_action+0x2c/0x4c)

 1441 22:38:54.514438  <4>[   62.023778] [<c0c57250>] (lkdtm_do_action) from [<c0c5777c>] (direct_entry+0x120/0x18c)

 1442 22:38:54.514660  <4>[   62.032053] [<c0c5765c>] (direct_entry) from [<c07e1728>] (full_proxy_write+0x64/0x94)

 1443 22:38:54.514869  <4>[   62.040238]  r9:c6f09f60 r8:c53900c0 r7:00000004 r6:b6e74000 r5:c5b97680 r4:c0c5765c

 1444 22:38:54.515070  <4>[   62.048253] [<c07e16c4>] (full_proxy_write) from [<c059ba74>] (vfs_write+0x10c/0x53c)

 1445 22:38:54.556688  <4>[   62.056350]  r9:c07e16c4 r8:c6f09f60 r7:c2815800 r6:b6e74000 r5:c5b97680 r4:00000000

 1446 22:38:54.557138  <4>[   62.064363] [<c059b968>] (vfs_write) from [<c059c020>] (ksys_write+0x74/0xec)

 1447 22:38:54.557396  <4>[   62.071765]  r10:00000004 r9:00000000 r8:00000000 r7:b6e74000 r6:c6f08000 r5:c5b97680

 1448 22:38:54.557612  <4>[   62.079858]  r4:c5b97680

 1449 22:38:54.557851  <4>[   62.082660] [<c059bfac>] (ksys_write) from [<c059c0b0>] (sys_write+0x18/0x1c)

 1450 22:38:54.558062  <4>[   62.090063]  r9:c6f08000 r8:c03002e4 r7:00000004 r6:b6fbbe00 r5:00000004 r4:00000004

 1451 22:38:54.606202  <4>[   62.098074] [<c059c098>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 1452 22:38:54.606641  <4>[   62.105907] Exception stack(0xc6f09fa8 to 0xc6f09ff0)

 1453 22:38:54.606899  <4>[   62.111226] 9fa0:                   00000004 00000004 00000001 b6e74000 00000004 00000000

 1454 22:38:54.607121  <4>[   62.119671] 9fc0: 00000004 00000004 b6fbbe00 00000004 00000001 00000000 00020000 be849ac4

 1455 22:38:54.607354  <4>[   62.128113] 9fe0: 00000004 be8497f8 b6f25d8f b6eac7e6

 1456 22:38:54.607596  # Segmentation fault

 1457 22:38:54.729332  # [   61.409405] lkdtm: Performing direct entry BUG

 1458 22:38:54.729407  # [   61.414503] ------------[ cut here ]------------

 1459 22:38:54.729461  # [   61.419392] kernel BUG at drivers/misc/lkdtm/bugs.c:76!

 1460 22:38:54.729511  # [   61.424883] Internal error: Oops - BUG: 0 [#1] SMP ARM

 1461 22:38:54.772936  # [   61.430288] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 1462 22:38:54.773366  # [   61.459580] CPU: 0 PID: 707 Comm: cat Not tainted 5.10.202-cip41 #1

 1463 22:38:54.773612  # [   61.466112] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 1464 22:38:54.773839  # [   61.472916] PC is at lkdtm_BUG+0x14/0x18

 1465 22:38:54.774030  # [   61.477108] LR is at lkdtm_do_action+0x2c/0x4c

 1466 22:38:54.774215  # [   61.481818] pc : [<c0c577fc>]    lr : [<c0c5727c>]    psr: a00e0013

 1467 22:38:54.774399  # [   61.488349] sp : c6f09e58  ip : c6f09e68  fp : c6f09e64

 1468 22:38:54.815966  # [   61.493841] r10: 00000004  r9 : c1ad5430  r8 : c15ebd0c

 1469 22:38:54.816421  # [   61.499330] r7 : c6f09f60  r6 : 00000004  r5 : c6cb9000  r4 : 00000001

 1470 22:38:54.816683  # [   61.506123] r3 : c0c577e8  r2 : affd1413  r1 : ef7815e0  r0 : c15ebd14

 1471 22:38:54.816904  # [   61.512917] Flags: NzCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 1472 22:38:54.817114  # [   61.520318] Control: 10c5387d  Table: 16f5004a  DAC: 00000051

 1473 22:38:54.817318  # [   61.526331] Process cat (pid: 707, stack limit = 0x7b95b698)

 1474 22:38:54.817520  # [   61.532257] Stack: (0xc6f09e58 to 0xc6f0a000)

 1475 22:38:54.858897  # [   61.536882] 9e40:                                                       c6f09e74 c6f09e68

 1476 22:38:54.859345  # [   61.545328] 9e60: c0c5727c c0c577f4 c6f09e9c c6f09e78 c0c5777c c0c5725c c0c5765c c5b97680

 1477 22:38:54.859653  # [   61.553775] 9e80: b6e74000 00000004 c53900c0 c6f09f60 c6f09ec4 c6f09ea0 c07e1728 c0c57668

 1478 22:38:54.859913  # [   61.562221] 9ea0: 00000000 c5b97680 b6e74000 c2815800 c6f09f60 c07e16c4 c6f09f5c c6f09ec8

 1479 22:38:54.860183  # [   61.570667] 9ec0: c059ba74 c07e16d0 00000001 00000000 c059c020 c13dc868 c059c020 c6f08000

 1480 22:38:54.902071  # [   61.579113] 9ee0: b6e74000 00020000 00000004 00000004 0001fffc c6f09ee0 00000001 b6e73000

 1481 22:38:54.902531  # [   61.587558] 9f00: c5a7ec80 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 1482 22:38:54.902789  # [   61.596004] 9f20: 00000000 00000000 c13dc868 affd1413 c206c120 c5b97680 c5b97680 c6f08000

 1483 22:38:54.903013  # [   61.604450] 9f40: b6e74000 00000000 00000000 00000004 c6f09f94 c6f09f60 c059c020 c059b974

 1484 22:38:54.903244  # [   61.612896] 9f60: 00000000 00000000 c6f09fac affd1413 00000004 00000004 b6fbbe00 00000004

 1485 22:38:54.945970  # [   61.621342] 9f80: c03002e4 c6f08000 c6f09fa4 c6f09f98 c059c0b0 c059bfb8 00000000 c6f09fa8

 1486 22:38:54.946385  # [   61.629786] 9fa0: c03000c0 c059c0a4 00000004 00000004 00000001 b6e74000 00000004 00000000

 1487 22:38:54.946615  # [   61.638232] 9fc0: 00000004 00000004 b6fbbe00 00000004 00000001 00000000 00020000 be849ac4

 1488 22:38:54.946815  # [   61.646676] 9fe0: 00000004 be8497f8 b6f25d8f b6eac7e6 800e0030 00000001 00000000 00000000

 1489 22:38:54.947005  # [   61.655115] Backtrace: 

 1490 22:38:54.947191  # [   61.657839] [<c0c577e8>] (lkdtm_BUG) from [<c0c5727c>] (lkdtm_do_action+0x2c/0x4c)

 1491 22:38:54.990083  # [   61.665679] [<c0c57250>] (lkdtm_do_action) from [<c0c5777c>] (direct_entry+0x120/0x18c)

 1492 22:38:54.990532  # [   61.673959] [<c0c5765c>] (direct_entry) from [<c07e1728>] (full_proxy_write+0x64/0x94)

 1493 22:38:54.990781  # [   61.682145]  r9:c6f09f60 r8:c53900c0 r7:00000004 r6:b6e74000 r5:c5b97680 r4:c0c5765c

 1494 22:38:54.990999  # [   61.690164] [<c07e16c4>] (full_proxy_write) from [<c059ba74>] (vfs_write+0x10c/0x53c)

 1495 22:38:54.991206  # [   61.698263]  r9:c07e16c4 r8:c6f09f60 r7:c2815800 r6:b6e74000 r5:c5b97680 r4:00000000

 1496 22:38:54.991407  # [   61.706276] [<c059b968>] (vfs_write) from [<c059c020>] (ksys_write+0x74/0xec)

 1497 22:38:55.034158  # [   61.713679]  r10:00000004 r9:00000000 r8:00000000 r7:b6e74000 r6:c6f08000 r5:c5b97680

 1498 22:38:55.034612  # [   61.721773]  r4:c5b97680

 1499 22:38:55.034887  # [   61.724577] [<c059bfac>] (ksys_write) from [<c059c0b0>] (sys_write+0x18/0x1c)

 1500 22:38:55.035112  # [   61.731980]  r9:c6f08000 r8:c03002e4 r7:00000004 r6:b6fbbe00 r5:00000004 r4:00000004

 1501 22:38:55.035321  # [   61.739994] [<c059c098>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 1502 22:38:55.035522  # [   61.747827] Exception stack(0xc6f09fa8 to 0xc6f09ff0)

 1503 22:38:55.078108  # [   61.753146] 9fa0:                   00000004 00000004 00000001 b6e74000 00000004 00000000

 1504 22:38:55.078569  # [   61.761590] 9fc0: 00000004 00000004 b6fbbe00 00000004 00000001 00000000 00020000 be849ac4

 1505 22:38:55.078849  # [   61.770032] 9fe0: 00000004 be8497f8 b6f25d8f b6eac7e6

 1506 22:38:55.079079  # [   61.775354] Code: e92dd800 e24cb004 e52de004 e8bd4000 (e7f001f2) 

 1507 22:38:55.079290  # [   61.781718] ---[ end trace 77357beb01f1e264 ]---

 1508 22:38:55.079501  # [   61.786604] BUG: sleeping function called from invalid context at i<6>[   62.606623] lkdtm: Performing direct entry WARNING

 1509 22:38:55.079708  nclude/linux/percpu-rwsem.h:49

 1510 22:38:55.122107  #<4>[   62.613500] ------------[ cut here ]------------

 1511 22:38:55.122564   [   61.795743] in_atomic(): 0, i<4>[   62.621445] WARNING: CPU: 2 PID: 779 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x48/0x4c

 1512 22:38:55.166102  rqs_disabled(): 128, non_block: 0<4>[   62.632882] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 1513 22:38:55.166583  , pid: 707, name: cat

 1514 22:38:55.166864  # [   61.8<4>[   62.664971] CPU: 2 PID: 779 Comm: cat Tainted: G      D W         5.10.202-cip41 #1

 1515 22:38:55.167094  03662] INFO: lockdep is turned of<4>[   62.675566] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 1516 22:38:55.167312  f.

 1517 22:38:55.167518  # [   61.807849] irq event st<4>[   62.685216] Backtrace: 

 1518 22:38:55.167723  amp: 1624

 1519 22:38:55.167923  # [   61.811439] hardi<4>[   62.690799] [<c13b9678>] (dump_backtrace) from [<c13b9a38>] (show_stack+0x20/0x24)

 1520 22:38:55.210109  rqs last  enabled at (1623): [<c0<4>[   62.701482]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8

 1521 22:38:55.210569  3d6868>] console_unlock+0x4b0/0x6<4>[   62.710269] [<c13b9a18>] (show_stack) from [<c13c0c80>] (dump_stack+0xe0/0x100)

 1522 22:38:55.210844  c0

 1523 22:38:55.211066  # [   61.819538] hardirqs las<4>[   62.720704] [<c13c0ba0>] (dump_stack) from [<c03567c8>] (__warn+0x98/0x14c)

 1524 22:38:55.211280  t disabled at (1624): [<c0300c60><4>[   62.730782]  r9:00000009 r8:c0c57848 r7:00000053 r6:00000009 r5:c0c57848 r4:c1ad5aec

 1525 22:38:55.211489  ] __und_svc+0x60/0x6c

 1526 22:38:55.254110  # [   61.8<4>[   62.741649] [<c0356730>] (__warn) from [<c13bab70>] (warn_slowpath_fmt+0x8c/0xa8)

 1527 22:38:55.254572  27028] softirqs last  enabled at <4>[   62.752251]  r7:00000053 r6:c1ad5aec r5:00000000 r4:c6e02000

 1528 22:38:55.254853  (1620): [<c030219c>] __do_softirq<4>[   62.761039] [<c13baae8>] (warn_slowpath_fmt) from [<c0c57848>] (lkdtm_WARNING+0x48/0x4c)

 1529 22:38:55.255079  +0x36c/0x5a0

 1530 22:38:55.255294  # [   61.834953] so<4>[   62.772249]  r9:c1ad5434 r8:c15ebd0c r7:c6e03f60 r6:00000008 r5:c688a000 r4:00000002

 1531 22:38:55.298108  ftirqs last disabled at (1603): [<4>[   62.783115] [<c0c57800>] (lkdtm_WARNING) from [<c0c5727c>] (lkdtm_do_action+0x2c/0x4c)

 1532 22:38:55.298572  <c035f8fc>] __irq_exit_rcu+0x178/<4>[   62.794154] [<c0c57250>] (lkdtm_do_action) from [<c0c5777c>] (direct_entry+0x120/0x18c)

 1533 22:38:55.298850  0x1d0

 1534 22:38:55.299085  # [   61.843052] CPU: 0 PI<4>[   62.805286] [<c0c5765c>] (direct_entry) from [<c07e1728>] (full_proxy_write+0x64/0x94)

 1535 22:38:55.299294  D: 707 Comm: cat Tainted: G      <4>[   62.816321]  r9:c6e03f60 r8:c53900c0 r7:00000008 r6:b6e7c000 r5:c5a7e640 r4:c0c5765c

 1536 22:38:55.299498  D           5.10.202-cip41 #1

 1537 22:38:55.342103  # <4>[   62.827196] [<c07e16c4>] (full_proxy_write) from [<c059ba74>] (vfs_write+0x10c/0x53c)

 1538 22:38:55.342566  [   61.850972] Hardware name: Fre<4>[   62.838141]  r9:c07e16c4 r8:c6e03f60 r7:c2815800 r6:b6e7c000 r5:c5a7e640 r4:00000000

 1539 22:38:55.342841  escale i.MX6 Quad/DualLite (Devic<4>[   62.849009] [<c059b968>] (vfs_write) from [<c059c020>] (ksys_write+0x74/0xec)

 1540 22:38:55.343072  e Tree)

 1541 22:38:55.343279  # [   61.857762] Backtra<4>[   62.859268]  r10:00000004 r9:00000000 r8:00000000 r7:b6e7c000 r6:c6e02000 r5:c5a7e640

 1542 22:38:55.343487  ce: 

 1543 22:38:55.343684  # [   61.860486] [<c13b9678<4>[   62.870215]  r4:c5a7e640

 1544 22:38:55.386102  >] (dump_backtrace) from [<c13b9a<4>[   62.875879] [<c059bfac>] (ksys_write) from [<c059c0b0>] (sys_write+0x18/0x1c)

 1545 22:38:55.386555  38>] (show_stack+0x20/0x24)

 1546 22:38:55.386840  # [ <4>[   62.886136]  r9:c6e02000 r8:c03002e4 r7:00000004 r6:b6fc3e00 r5:00000008 r4:00000008

 1547 22:38:55.387073    61.868323]  r7:ffffffff r6:600e<4>[   62.897005] [<c059c098>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 1548 22:38:55.387285  0093 r5:00000000 r4:c1f1d0b8

 1549 22:38:55.387494  # [<4>[   62.907691] Exception stack(0xc6e03fa8 to 0xc6e03ff0)

 1550 22:38:55.430105     61.874254] [<c13b9a18>] (show_<4>[   62.915871] 3fa0:                   00000008 00000008 00000001 b6e7c000 00000008 00000000

 1551 22:38:55.430565  stack) from [<c13c0c80>] (dump_st<4>[   62.927173] 3fc0: 00000008 00000008 b6fc3e00 00000004 00000001 00000000 00020000 bef29ac4

 1552 22:38:55.430843  ack+0xe0/0x100)

 1553 22:38:55.431069  # [   61.881838]<4>[   62.938472] 3fe0: 00000004 bef297f8 b6f2dd8f b6eb47e6

 1554 22:38:55.431283   [<c13c0ba0>] (dump_stack) from [<4>[   62.946714] irq event stamp: 0

 1555 22:38:55.431491  <c038facc>] (___might_sleep+0x188<4>[   62.952832] hardirqs last  enabled at (0): [<00000000>] 0x0

 1556 22:38:55.431701  /0x2e0)

 1557 22:38:55.474045  # [   61.889850]  r9:600<4>[   62.961565] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 1558 22:38:55.474498  e0093 r8:0000000b r7:c035c468 r6:<4>[   62.972166] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 1559 22:38:55.474756  00000031 r5:c19d1718 r4:c6f08000

 1560 22:38:55.474980  <4>[   62.982771] softirqs last disabled at (0): [<00000000>] 0x0

 1561 22:38:55.475188  

 1562 22:38:55.475386  # [   61.897863] [<c038f944>] (_<4>[   62.991463] ---[ end trace 77357beb01f1e265 ]---

 1563 22:38:55.475585  __might_sleep) from [<c038fc94>] (__might_sleep+0x70/0xb0)

 1564 22:38:55.518002  # [   61.905960]  r6:00000000 r5:00000031 r4:c19d1718

 1565 22:38:55.518416  # [   61.910853] [<c038fc24>] (__might_sleep) from [<c036da68>] (exit_signals+0x4c/0x420)

 1566 22:38:55.518643  # [   61.918863]  r6:00000001 r5:c6f08000 r4:c692ec00

 1567 22:38:55.518845  # [   61.923757] [<c036da1c>] (exit_signals) from [<c035c468>] (do_exit+0x100/0xafc)

 1568 22:38:55.519036  # [   61.931334]  r8:0000000b r7:c1e1cb0c r6:ffffe000 r5:00000000 r4:c692ec00

 1569 22:38:55.519222  # [   61.938307] [<c035c368>] (do_exit) from [<c035e360>] (make_task_dead+0x68/0x74)

 1570 22:38:55.519402  # [   61.945880]  r7:c1e1cb0c

 1571 22:38:55.562103  # [   61.948689] [<c035e2f8>] (make_task_dead) from [<c030e940>] (die+0x370/0x37c)

 1572 22:38:55.562565  # [   61.956092] [<c030e5d0>] (die) from [<c030eabc>] (do_undefinstr+0x170/0x240)

 1573 22:38:55.562837  # [   61.963408]  r10:00000004 r9:c6f08000 r8:c15ebd0c r7:00000000 r6:c6f09dc8 r5:c0c577fc

 1574 22:38:55.563070  # [   61.971501]  r4:e7f001f2

 1575 22:38:55.563278  # [   61.974305] [<c030e94c>] (do_undefinstr) from [<c0300c6c>] (__und_svc_finish+0x0/0x54)

 1576 22:38:55.563481  # [   61.982485] Exception stack(0xc6f09dc8 to 0xc6f09e10)

 1577 22:38:55.605983  # [   61.987805] 9dc0:                   c15ebd14 ef7815e0 affd1413 c0c577e8 00000001 c6cb9000

 1578 22:38:55.606410  # [   61.996250] 9de0: 00000004 c6f09f60 c15ebd0c c1ad5430 00000004 c6f09e64 c6f09e68 c6f09e58

 1579 22:38:55.606695  # [   62.004693] 9e00: c0c5727c c0c577fc a00e0013 ffffffff

 1580 22:38:55.606919  # [   62.010011]  r7:c6f09dfc r6:ffffffff r5:a00e0013 r4:c0c57800

 1581 22:38:55.607138  # [   62.015940] [<c0c577e8>] (lkdtm_BUG) from [<c0c5727c>] (lkdtm_do_action+0x2c/0x4c)

 1582 22:38:55.607363  # [   62.023778] [<c0c57250>] (lkdtm_do_action) from [<c0c5777c>] (direct_entry+0x120/0x18c)

 1583 22:38:55.650006  # [   62.032053] [<c0c5765c>] (direct_entry) from [<c07e1728>] (full_proxy_write+0x64/0x94)

 1584 22:38:55.650452  # [   62.040238]  r9:c6f09f60 r8:c53900c0 r7:00000004 r6:b6e74000 r5:c5b97680 r4:c0c5765c

 1585 22:38:55.650686  # [   62.048253] [<c07e16c4>] (full_proxy_write) from [<c059ba74>] (vfs_write+0x10c/0x53c)

 1586 22:38:55.650888  # [   62.056350]  r9:c07e16c4 r8:c6f09f60 r7:c2815800 r6:b6e74000 r5:c5b97680 r4:00000000

 1587 22:38:55.651105  # [   62.064363] [<c059b968>] (vfs_write) from [<c059c020>] (ksys_write+0x74/0xec)

 1588 22:38:55.651293  # [   62.071765]  r10:00000004 r9:00000000 r8:00000000 r7:b6e74000 r6:c6f08000 r5:c5b97680

 1589 22:38:55.651476  # [   62.079858]  r4:c5b97680

 1590 22:38:55.694053  # [   62.082660] [<c059bfac>] (ksys_write) from [<c059c0b0>] (sys_write+0x18/0x1c)

 1591 22:38:55.694470  # [   62.090063]  r9:c6f08000 r8:c03002e4 r7:00000004 r6:b6fbbe00 r5:00000004 r4:00000004

 1592 22:38:55.694701  # [   62.098074] [<c059c098>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 1593 22:38:55.694899  # [   62.105907] Exception stack(0xc6f09fa8 to 0xc6f09ff0)

 1594 22:38:55.695086  # [   62.111226] 9fa0:                   00000004 00000004 00000001 b6e74000 00000004 00000000

 1595 22:38:55.738016  # [   62.119671] 9fc0: 00000004 00000004 b6fbbe00 00000004 00000001 00000000 00020000 be849ac4

 1596 22:38:55.738495  # [   62.128113] 9fe0: 00000004 be8497f8 b6f25d8f b6eac7e6

 1597 22:38:55.738771  # BUG: saw 'kernel BUG at': ok

 1598 22:38:55.739015  ok 2 selftests: lkdtm: BUG.sh

 1599 22:38:55.739225  # selftests: lkdtm: WARNING.sh

 1600 22:38:55.739428  # [   62.606623] lkdtm: Performing direct entry WARNING

 1601 22:38:55.739636  # [   62.613500] ------------[ cut here ]------------

 1602 22:38:55.739862  # [   62.621445] WARNING: CPU: 2 PID: 779 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x48/0x4c

 1603 22:38:55.782104  # [   62.632882] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 1604 22:38:55.782563  # [   62.664971] CPU: 2 PID: 779 Comm: cat Tainted: G      D W         5.10.202-cip41 #1

 1605 22:38:55.782817  # [   62.675566] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 1606 22:38:55.783065  # [   62.685216] Backtrace: 

 1607 22:38:55.830140  # [   62.690799] [<c13b9678>] (dump_backtrace) from [<c13b9a38>] (show_stack+0x20/0x24)

 1608 22:38:55.830596  # [   62.701482]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8

 1609 22:38:55.830851  # [   62.710269] [<c13b9a18>] (show_stack) from [<c13c0c80>] (dump_stack+0xe0/0x100)

 1610 22:38:55.831071  # [   62.720704] [<c13c0ba0>] (dump_stack) from [<c03567c8>] (__warn+0x98/0x14c)

 1611 22:38:55.831280  # [   62.730782]  r9:00000009 r8:c0c57848 r7:00<6>[   63.331522] lkdtm: Performing direct entry WARNING_MESSAGE

 1612 22:38:55.831484  000053 r6:00000009 r5:c0c57848 r4<4>[   63.338878] ------------[ cut here ]------------

 1613 22:38:55.831690  :c1ad5aec

 1614 22:38:55.874135  # [   62.741649] [<c03<4>[   63.346792] WARNING: CPU: 0 PID: 815 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x4c/0x54

 1615 22:38:55.874595  56730>] (__warn) from [<c13bab70><4>[   63.358982] Warning message trigger count: 2

 1616 22:38:55.874857  ] (warn_slowpath_fmt+0x8c/0xa8)

 1617 22:38:55.918155  <4>[   63.367606] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 1618 22:38:55.918621  # [   62.752251]  r7:00000053 r6:<4>[   63.399347] CPU: 0 PID: 815 Comm: cat Tainted: G      D W         5.10.202-cip41 #1

 1619 22:38:55.918889  <4>[   63.409131] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 1620 22:38:55.919111  <4>[   63.415924] Backtrace: 

 1621 22:38:55.919316  <4>[   63.418655] [<c13b9678>] (dump_backtrace) from [<c13b9a38>] (show_stack+0x20/0x24)

 1622 22:38:55.919518  <4>[   63.426495]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8

 1623 22:38:55.962155  <4>[   63.432427] [<c13b9a18>] (show_stack) from [<c13c0c80>] (dump_stack+0xe0/0x100)

 1624 22:38:55.962603  <4>[   63.440013] [<c13c0ba0>] (dump_stack) from [<c03567c8>] (__warn+0x98/0x14c)

 1625 22:38:55.962866  <4>[   63.447245]  r9:00000009 r8:c0c57898 r7:00000058 r6:00000009 r5:c0c57898 r4:c1ad5aec

 1626 22:38:55.963089  <4>[   63.455259] [<c0356730>] (__warn) from [<c13bab70>] (warn_slowpath_fmt+0x8c/0xa8)

 1627 22:38:55.963298  <4>[   63.463010]  r7:00000058 r6:c1ad5aec r5:c1ad5b08 r4:c2fb2000

 1628 22:38:55.963505  <4>[   63.468945] [<c13baae8>] (warn_slowpath_fmt) from [<c0c57898>] (lkdtm_WARNING_MESSAGE+0x4c/0x54)

 1629 22:38:56.006156  <4>[   63.477998]  r9:c1ad543c r8:c15ebd0c r7:c2fb3f60 r6:00000010 r5:c5b2d000 r4:00000003

 1630 22:38:56.006613  <4>[   63.486013] [<c0c5784c>] (lkdtm_WARNING_MESSAGE) from [<c0c5727c>] (lkdtm_do_action+0x2c/0x4c)

 1631 22:38:56.006880  <4>[   63.494895] [<c0c57250>] (lkdtm_do_action) from [<c0c5777c>] (direct_entry+0x120/0x18c)

 1632 22:38:56.007103  <4>[   63.503174] [<c0c5765c>] (direct_entry) from [<c07e1728>] (full_proxy_write+0x64/0x94)

 1633 22:38:56.007310  <4>[   63.511361]  r9:c2fb3f60 r8:c53900c0 r7:00000010 r6:b6e3d000 r5:c596ba40 r4:c0c5765c

 1634 22:38:56.050148  <4>[   63.519381] [<c07e16c4>] (full_proxy_write) from [<c059ba74>] (vfs_write+0x10c/0x53c)

 1635 22:38:56.050608  <4>[   63.527480]  r9:c07e16c4 r8:c2fb3f60 r7:c2815800 r6:b6e3d000 r5:c596ba40 r4:00000000

 1636 22:38:56.050863  <4>[   63.535493] [<c059b968>] (vfs_write) from [<c059c020>] (ksys_write+0x74/0xec)

 1637 22:38:56.051085  <4>[   63.542898]  r10:00000004 r9:00000000 r8:00000000 r7:b6e3d000 r6:c2fb2000 r5:c596ba40

 1638 22:38:56.051294  <4>[   63.550993]  r4:c596ba40

 1639 22:38:56.051498  <4>[   63.553800] [<c059bfac>] (ksys_write) from [<c059c0b0>] (sys_write+0x18/0x1c)

 1640 22:38:56.094148  <4>[   63.561204]  r9:c2fb2000 r8:c03002e4 r7:00000004 r6:b6f84e00 r5:00000010 r4:00000010

 1641 22:38:56.094604  <4>[   63.569220] [<c059c098>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 1642 22:38:56.094862  <4>[   63.577054] Exception stack(0xc2fb3fa8 to 0xc2fb3ff0)

 1643 22:38:56.095079  <4>[   63.582374] 3fa0:                   00000010 00000010 00000001 b6e3d000 00000010 00000000

 1644 22:38:56.095286  <4>[   63.590822] 3fc0: 00000010 00000010 b6f84e00 00000004 00000001 00000000 00020000 be8beac4

 1645 22:38:56.095487  <4>[   63.599264] 3fe0: 00000004 be8be7f8 b6eeed8f b6e757e6

 1646 22:38:56.095686  c1ad5aec r5:00000000 r4:c6e02000

 1647 22:38:56.095885  <4>[   63.604642] irq event stamp: 0

 1648 22:38:56.138120  

 1649 22:38:56.138596  # [   62.761039] [<c13baae8>] (w<4>[   63.610827] hardirqs last  enabled at (0): [<00000000>] 0x0

 1650 22:38:56.138853  arn_slowpath_fmt) from [<c0c57848<4>[   63.619543] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 1651 22:38:56.139071  >] (lkdtm_WARNING+0x48/0x4c)

 1652 22:38:56.139279  # [<4>[   63.630163] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 1653 22:38:56.139479     62.772249]  r9:c1ad5434 r8:c15<4>[   63.640782] softirqs last disabled at (0): [<00000000>] 0x0

 1654 22:38:56.182141  ebd0c r7:c6e03f60 r6:00000008 r5:<4>[   63.649490] ---[ end trace 77357beb01f1e266 ]---

 1655 22:38:56.182648  c688a000 r4:00000002

 1656 22:38:56.182917  # [   62.783115] [<c0c57800>] (lkdtm_WARNING) from [<c0c5727c>] (lkdtm_do_action+0x2c/0x4c)

 1657 22:38:56.183168  # [   62.794154] [<c0c57250>] (lkdtm_do_action) from [<c0c5777c>] (direct_entry+0x120/0x18c)

 1658 22:38:56.183382  # [   62.805286] [<c0c5765c>] (direct_entry) from [<c07e1728>] (full_proxy_write+0x64/0x94)

 1659 22:38:56.183584  # [   62.816321]  r9:c6e03f60 r8:c53900c0 r7:00000008 r6:b6e7c000 r5:c5a7e640 r4:c0c5765c

 1660 22:38:56.226148  # [   62.827196] [<c07e16c4>] (full_proxy_write) from [<c059ba74>] (vfs_write+0x10c/0x53c)

 1661 22:38:56.226602  # [   62.838141]  r9:c07e16c4 r8:c6e03f60 r7:c2815800 r6:b6e7c000 r5:c5a7e640 r4:00000000

 1662 22:38:56.226857  # [   62.849009] [<c059b968>] (vfs_write) from [<c059c020>] (ksys_write+0x74/0xec)

 1663 22:38:56.227076  # [   62.859268]  r10:00000004 r9:00000000 r8:00000000 r7:b6e7c000 r6:c6e02000 r5:c5a7e640

 1664 22:38:56.227280  # [   62.870215]  r4:c5a7e640

 1665 22:38:56.227478  # [   62.875879] [<c059bfac>] (ksys_write) from [<c059c0b0>] (sys_write+0x18/0x1c)

 1666 22:38:56.270133  # [   62.886136]  r9:c6e02000 r8:c03002e4 r7:00000004 r6:b6fc3e00 r5:00000008 r4:00000008

 1667 22:38:56.270613  # [   62.897005] [<c059c098>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 1668 22:38:56.270924  # [   62.907691] Exception stack(0xc6e03fa8 to 0xc6e03ff0)

 1669 22:38:56.271162  # [   62.915871] 3fa0:                   00000008 00000008 00000001 b6e7c000 00000008 00000000

 1670 22:38:56.271396  # [   62.927173] 3fc0: 00000008 00000008 b6fc3e00 00000004 00000001 00000000 00020000 bef29ac4

 1671 22:38:56.271637  # [   62.938472] 3fe0: 00000004 bef297f8 b6f2dd8f b6eb47e6

 1672 22:38:56.271844  # [   62.946714] irq event stamp: 0

 1673 22:38:56.314046  # [   62.952832] hardirqs last  enabled at (0): [<00000000>] 0x0

 1674 22:38:56.314454  # [   62.961565] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 1675 22:38:56.314675  # [   62.972166] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 1676 22:38:56.314867  # [   62.982771] softirqs last disabled at (0): [<00000000>] 0x0

 1677 22:38:56.315055  # [   62.991463] ---[ end trace 77357beb01f1e265 ]---

 1678 22:38:56.315239  # WARNING: saw 'WARNING:': ok

 1679 22:38:56.315421  ok 3 selftests: lkdtm: WARNING.sh

 1680 22:38:56.315610  # selftests: lkdtm: WARNING_MESSAGE.sh

 1681 22:38:56.315794  # [   63.331522] lkdtm: Performing direct entry WARNING_MESSAGE

 1682 22:38:56.358080  # [   63.338878] ------------[ cut here ]------------

 1683 22:38:56.358490  # [   63.346792] WARNING: CPU: 0 PID: 815 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x4c/0x54

 1684 22:38:56.358746  # [   63.358982] Warning message trigger count: 2

 1685 22:38:56.402038  # [   63.367606] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 1686 22:38:56.402479  # [   63.399347] CPU: 0 PID: 815 Comm: cat Tainted: G      D W         5.10.202-cip41 #1

 1687 22:38:56.402715  # [   63.409131] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 1688 22:38:56.402909  # [   63.415924] Backtrace: 

 1689 22:38:56.403122  # [   63.418655] [<c13b9678>] (dump_backtrace) from [<c13b9a38>] (show_stack+0x20/0x24)

 1690 22:38:56.403314  # [   63.426495]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8

 1691 22:38:56.403495  # [   63.432427] [<c13b9a18>] (show_stack) from [<c13c0c80>] (dump_stack+0xe0/0x100)

 1692 22:38:56.446147  # [   63.440013] [<c13c0ba0>] (dump_stack) from [<c03567c8>] (__warn+0x98/0x14c)

 1693 22:38:56.446598  # [   63.447245]  r9:00000009 r8:c0c57898 r7:00000058 r6:00000009 r5:c0c57898 r4:c1ad5aec

 1694 22:38:56.446857  # [   63.455259] [<c0356730>] (__warn) from [<c13bab70>] (warn_slowpath_fmt+0x8c/0xa8)

 1695 22:38:56.447073  # [   63.463010]  r7:00000058 r6:c1ad5aec r5:c1ad5b08 r4:c2fb2000

 1696 22:38:56.447279  # [   63.468945] [<c13baae8>] (warn_slowpath_fmt) from [<c0c57898>] (lkdtm_WARNING_MESSAGE+0x4c/0x54)

 1697 22:38:56.489811  # [   63.477998]  r9:c1ad543c r8:c15ebd0c r7:c2fb3f60 r6:00000010 r5:c5b2d000 r4:00000003

 1698 22:38:56.489960  # [   63.486013] [<c0c5784c>] (lkdtm_WARNING_MESSAGE) from [<c0c5727c>] (lkdtm_do_action+0x2c/0x4c)

 1699 22:38:56.490016  # [   63.494895] [<c0c57250>] (lkdtm_do_action) from [<c0c5777c>] (direct_entry+0x120/0x18c)

 1700 22:38:56.490065  # [   63.503174] [<c0c5765c>] (direct_entry) from [<c07e1728>] (full_proxy_write+0x64/0x94)

 1701 22:38:56.490110  # [   63.511361]  r9:c2fb3f60 r8:c53900c0 r7:00000010 r6:b6e3d000 r5:c596ba40 r4:c0c5765c

 1702 22:38:56.490160  # [   63.519381] [<c07e16c4>]<6>[   63.990055] lkdtm: Performing direct entry EXCEPTION

 1703 22:38:56.534058   (full_proxy_write) from [<c059ba<1>[   63.996398] 8<--- cut here ---

 1704 22:38:56.534469  74>] (vfs_write+0x10c/0x<513>c[)   64.002481] Unable to handle kernel NULL pointer dereference at virtual address 00000000

 1705 22:38:56.534707  

 1706 22:38:56.534903  # [   63.527480]  r9:c07e16c4 r8<1>[   64.013413] pgd = 7b517063

 1707 22:38:56.535093  :c2fb3f60 r7:c2815800 r6:b6e3d000<1>[   64.019183] [00000000] *pgd=00000000

 1708 22:38:56.535278   r5:c596ba40 r4:00000000

 1709 22:38:56.535459  # [   6<0>[   64.025851] Internal error: Oops: 805 [#2] SMP ARM

 1710 22:38:56.578137  3.535493] [<c059b968>] (vfs_write<4>[   64.033726] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 1711 22:38:56.578579  ) from [<c059c020>] (<k4s>y[s _ w64.065692] CPU: 2 PID: 848 Comm: cat Tainted: G      D W         5.10.202-cip41 #1

 1712 22:38:56.578821  rite+0x74/<04x>e[c ) 

 1713 22:38:56.579012   

 1714 22:38:56.579221  6#4 .[0 75859] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 1715 22:38:56.622154   63.542898]  r10:00000004< 4r>9[:  64.084480] PC is at lkdtm_EXCEPTION+0x18/0x20

 1716 22:38:56.622608  00000000 r8:00<040>0[0 0 0  6r47.091606] LR is at lkdtm_do_action+0x2c/0x4c

 1717 22:38:56.622872  b6e3d000 r6:<c42>f[ b 2 06040. 0r8303] pc : [<c0c578b8>]    lr : [<c0c5727c>]    psr: a00e0013

 1718 22:38:56.623097  5:c596b<a44>0[

 1719 22:38:56.623314   

 1720 22:38:56.623551   #  6[4 . 1 066350] sp : c6b69e58  ip : c6b69e68  fp : c6b69e64

 1721 22:38:56.623764  .550993] < 4r>4[: c 5 9664b.a1410785] r10: 0000000a  r9 : c1ad544c  r8 : c15ebd0c

 1722 22:38:56.623968  

 1723 22:38:56.666154  # [   63.5<543>8[0  0 ]6 4[.<1c1005] r7 : c6b69f60  r6 : 0000000a  r5 : c6b60000  r4 : 00000004

 1724 22:38:56.666613  059bfac>]< 4(>k[s y s _6w4r.i1t2e612] r3 : 00000000  r2 : f4c0cd69  r1 : ef7ab5e0  r0 : c15ebd2c

 1725 22:38:56.666879  ) from [<c05<94c>0[b 0 > ]6 4(.s138135] Flags: NzCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 1726 22:38:56.667103  s_write+0x<148>/[0  x 16c4).

 1727 22:38:56.667309  1

 1728 22:38:56.667511  4#437] Control: 10c5387d  Table: 146ec04a  DAC: 00000051

 1729 22:38:56.667719   [   63.561204]  <r09>:[c 2 f b62.155181] Process cat (pid: 848, stack limit = 0xa51ae8d1)

 1730 22:38:56.667921  000 r8:c03<000>2[e 4   r674:.01063179] Stack: (0xc6b69e58 to 0xc6b6a000)

 1731 22:38:56.710116  00004 r6:b6f84<e00>0[  r 5 :6040.169621] 9e40:                                                       c6b69e74 c6b69e68

 1732 22:38:56.710575  00010 r4:0000001<00

 1733 22:38:56.710833  >[

 1734 22:38:56.711059   #   [6 4 180054] 9e60: c0c5727c c0c578ac c6b69e9c c6b69e78 c0c5777c c0c5725c c0c5765c c2fb0c80

 1735 22:38:56.711278   63.569220] [<c<005>9[c 0 9 86>4]190485] 9e80: b6dbd000 0000000a c53900c0 c6b69f60 c6b69ec4 c6b69ea0 c07e1728 c0c57668

 1736 22:38:56.711483   (sys_write) fr<o0m> [[ < c 06340200916] 9ea0: 00000000 c2fb0c80 b6dbd000 c2815800 c6b69f60 c07e16c4 c6b69f5c c6b69ec8

 1737 22:38:56.754109  00c0>] (ret_fas<t0_>s[y s c a6l4l211348] 9ec0: c059ba74 c07e16d0 00000001 00000000 c059c020 c13dc868 c059c020 c6b68000

 1738 22:38:56.754568  +0x0/0x28)

 1739 22:38:56.754830  # [ < 0 >[6 3 . 56747221779] 9ee0: b6dbd000 00020000 00000004 0000000a 0001fff6 c6b69ee0 00000001 b6dbc000

 1740 22:38:56.755053  054] Exception st<a0c>k[( 0 x c62.232211] 9f00: c5a7f040 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 1741 22:38:56.755269  fb3fa8 to 0xc2fb<30f>f[0 ) 

 1742 22:38:56.755476   

 1743 22:38:56.755674  6#4.242730] 9f20: 00000000 00000000 c13dc868 f4c0cd69 c206c120 c2fb0c80 c2fb0c80 c6b68000

 1744 22:38:56.798111  [   63.582374] 3f<a00>:[       6 .253249] 9f40: b6dbd000 00000000 00000000 00000004 c6b69f94 c6b69f60 c059c020 c059b974

 1745 22:38:56.798581                <000>0[0 0 0 1604 .263768] 9f60: 00000000 00000000 c6b69fac f4c0cd69 0000000a 0000000a b6f04e00 00000004

 1746 22:38:56.798860  0000010 0000000<10 >b[6 e 3 d604.274199] 9f80: c03002e4 c6b68000 c6b69fa4 c6b69f98 c059c0b0 c059bfb8 00000000 c6b69fa8

 1747 22:38:56.799089  0 00000010 0000<000>0[0 

 1748 22:38:56.799298   

 1749 22:38:56.799499   #6 4[284630] 9fa0: c03000c0 c059c0a4 0000000a 0000000a 00000001 b6dbd000 0000000a 00000000

 1750 22:38:56.842022     63.590822] 3<f0c>0[:   0 06040295063] 9fc0: 0000000a 0000000a b6f04e00 00000004 00000001 00000000 00020000 beadfac4

 1751 22:38:56.842483  0010 00000010 b6<f08>4[e 0 0  604.305494] 9fe0: 00000004 beadf7f8 b6e6ed8f b6df57e6 800e0030 00000001 00000000 00000000

 1752 22:38:56.842746  000004 00000001 <000>0[0 0 0 0604.316006] Backtrace: 

 1753 22:38:56.842966  00020000 be8beac4

 1754 22:38:56.843177  # [  < 06>3[.   64.320805] [<c0c578a0>] (lkdtm_EXCEPTION) from [<c0c5727c>] (lkdtm_do_action+0x2c/0x4c)

 1755 22:38:56.843382  99264] 3fe0: 00000004< 0b>e[8 b e64.331581] [<c0c57250>] (lkdtm_do_action) from [<c0c5777c>] (direct_entry+0x120/0x18c)

 1756 22:38:56.843589  7f8 b6eeed8f b6e757e6

 1757 22:38:56.843793  # [ < 0 >6   64.342104] [<c0c5765c>] (direct_entry) from [<c07e1728>] (full_proxy_write+0x64/0x94)

 1758 22:38:56.843994  3.604642] irq eve<n0t> [s t a m6p.352791]  r9:c6b69f60 r8:c53900c0 r7:0000000a r6:b6dbd000 r5:c2fb0c80 r4:c0c5765c

 1759 22:38:56.844201  : 0

 1760 22:38:56.844397  # [   63.610827] hardi<r0q>s   64.362882] [<c07e16c4>] (full_proxy_write) from [<c059ba74>] (vfs_write+0x10c/0x53c)

 1761 22:38:56.844609   last  enabled at< 0(>0[) :   [6<.373481]  r9:c07e16c4 r8:c6b69f60 r7:c2815800 r6:b6dbd000 r5:c2fb0c80 r4:00000000

 1762 22:38:56.844813  00000000>] 0x0

 1763 22:38:56.886124  # <[0 > [  6 3 .64.383566] [<c059b968>] (vfs_write) from [<c059c020>] (ksys_write+0x74/0xec)

 1764 22:38:56.886579  19543] hardirqs la<s0t> [d i s a64.393128]  r10:00000004 r9:00000000 r8:00000000 r7:b6dbd000 r6:c6b68000 r5:c2fb0c80

 1765 22:38:56.886845  led at (<00)>:[  [ < c6043.543083380]  r4:c2fb0c80

 1766 22:38:56.887065  4>] copy_process+0x5<f08>/[0 x 1 64.407916] [<c059bfac>] (ksys_write) from [<c059c0b0>] (sys_write+0x18/0x1c)

 1767 22:38:56.887280  ac

 1768 22:38:56.887481  # [   63.6<300>1[6 3 ]  6s4o.417562]  r9:c6b68000 r8:c03002e4 r7:00000004 r6:b6f04e00 r5:0000000a r4:0000000a

 1769 22:38:56.928469  tirqs last  enabled at <(00>)[:   64.427565] [<c059c098>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 1770 22:38:56.928926  [<c03538f<40>>][  c o p6y4_.p4r3o728] Exception stack(0xc6b69fa8 to 0xc6b69ff0)

 1771 22:38:56.929186  cess+0x5f8/0x1d<a0c>

 1772 22:38:56.929397  [

 1773 22:38:56.929604   #   [6 4 444778] 9fa0:                   0000000a 0000000a 00000001 b6dbd000 0000000a 00000000

 1774 22:38:56.929848   63.640782] s<o0f>t[i r q s6 4l.a55208] 9fc0: 0000000a 0000000a b6f04e00 00000004 00000001 00000000 00020000 beadfac4

 1775 22:38:56.930057  st disabled a<t0 >([0 ) :  6[4<.065554] 9fe0: 00000004 beadf7f8 b6e6ed8f b6df57e6

 1776 22:38:56.970632  0000000>] 0x0

 1777 22:38:56.970784  # <[0 > [  6 3 .66.472776] Code: e24cb004 e52de004 e8bd4000 e3a03000 (e5833000) 

 1778 22:38:56.970840  49490] ---[ end trace 77357beb01f<4>[   64.481271] ---[ end trace 77357beb01f1e267 ]---

 1779 22:38:56.970896  1e266 ]---

 1780 22:38:56.970943  # WARNING_MESSAGE: saw 'message trigger': ok

 1781 22:38:56.970989  ok 4 selftests: lkdtm: WARNING_MESSAGE.sh

 1782 22:38:56.971033  # selftests: lkdtm: EXCEPTION.sh

 1783 22:38:56.971089  # Segmentation fault

 1784 22:38:57.085487  # [   63.990055] lkdtm: Performing direct entry EXCEPTION

 1785 22:38:57.085547  # [   63.996398] 8<--- cut here ---

 1786 22:38:57.085593  # [   64.002481] Unable to handle kernel NULL pointer dereference at virtual address 00000000

 1787 22:38:57.085646  # [   64.013413] pgd = 7b517063

 1788 22:38:57.085697  # [   64.019183] [00000000] *pgd=00000000

 1789 22:38:57.085740  # [   64.025851] Internal error: Oops: 805 [#2] SMP ARM

 1790 22:38:57.129071  # [   64.033726] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 1791 22:38:57.129503  # [   64.065692] CPU: 2 PID: 848 Comm: cat Tainted: G      D W         5.10.202-cip41 #1

 1792 22:38:57.129808  # [   64.075859] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 1793 22:38:57.130017  # [   64.084480] PC is at lkdtm_EXCEPTION+0x18/0x20

 1794 22:38:57.130203  # [   64.091606] LR is at lkdtm_do_action+0x2c/0x4c

 1795 22:38:57.172106  # [   64.098303] pc : [<c0c578b8>]    lr : [<c0c5727c>]    psr: a00e0013

 1796 22:38:57.172555  # [   64.106650] sp : c6b69e58  ip : c6b69e68  fp : c6b69e64

 1797 22:38:57.172816  # [   64.113785] r10: 0000000a  r9 : c1ad544c  r8 : c15ebd0c

 1798 22:38:57.173035  # [   64.121005] r7 : c6b69f60  r6 : 0000000a  r5 : c6b60000  r4 : 00000004

 1799 22:38:57.173240  # [   64.129612] r3 : 00000000  r2 : f4c0cd69  r1 : ef7ab5e0  r0 : c15ebd2c

 1800 22:38:57.173441  # [   64.138135] Flags: NzCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 1801 22:38:57.173663  # [   64.147437] Control: 10c5387d  Table: 146ec04a  DAC: 00000051

 1802 22:38:57.215189  # [   64.155181] Process cat (pid: 848, stack limit = 0xa51ae8d1)

 1803 22:38:57.215615  # [   64.163179] Stack: (0xc6b69e58 to 0xc6b6a000)

 1804 22:38:57.215886  # [   64.169621] 9e40:                                                       c6b69e74 c6b69e68

 1805 22:38:57.216086  # [   64.180054] 9e60: c0c5727c c0c578ac c6b69e9c c6b69e78 c0c5777c c0c5725c c0c5765c c2fb0c80

 1806 22:38:57.216277  # [   64.190485] 9e80: b6dbd000 0000000a c53900c0 c6b69f60 c6b69ec4 c6b69ea0 c07e1728 c0c57668

 1807 22:38:57.216462  # [   64.200916] 9ea0: 00000000 c2fb0c80 b6dbd000 c2815800 c6b69f60 c07e16c4 c6b69f5c c6b69ec8

 1808 22:38:57.258192  # [   64.211348] 9ec0: c059ba74 c07e16d0 00000001 00000000 c059c020 c13dc868 c059c020 c6b68000

 1809 22:38:57.258604  # [   64.221779] 9ee0: b6dbd000 00020000 00000004 0000000a 0001fff6 c6b69ee0 00000001 b6dbc000

 1810 22:38:57.258827  # [   64.232211] 9f00: c5a7f040 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 1811 22:38:57.259021  # [   64.242730] 9f20: 00000000 00000000 c13dc868 f4c0cd69 c206c120 c2fb0c80 c2fb0c80 c6b68000

 1812 22:38:57.259273  # [   64.253249] 9f40: b6dbd000 00000000 00000000 00000004 c6b69f94 c6b69f60 c059c020 c059b974

 1813 22:38:57.306189  # [   64.263768] 9f60: 00000000 00000000 c6b69fac f4c0cd69 0000000a 0000000a b6f04e00 00000004

 1814 22:38:57.306642  # [   64.274199] 9f80: c03002e4 c6b68000 c6b69fa4 c6b69f98 c059c0b0 c059bfb8 00000000 c6b69fa8

 1815 22:38:57.306899  # [   64.284630] 9fa0: c03000c0 c059c0a4 0000000a 0000000a 00000001 b6dbd000 0000000a 00000000

 1816 22:38:57.307125  # [   64.295063] 9fc0: 0000000a 0000000a b6f04e00 00000004 00000001 00000000 00020000 beadfac4

 1817 22:38:57.307336  # [   64.305494] 9fe0: 00000004 beadf7f8 b6e6ed8f b6df57e6 800e0030 00000001 00000000 00000000

 1818 22:38:57.307540  # [   64.316006] Backtrace: 

 1819 22:38:57.350169  # [   64.320805] [<c0c578a0>] (lkdtm_EXCEPTION) from [<c0c5727c>] (lkdtm_do_action+0x2c/0x4c)

 1820 22:38:57.350656  # [   64.331581] [<c0c57250>] (lkdtm_do_action) from [<c0c5777c>] (direct_entry+0x120/0x18c)

 1821 22:38:57.350965  # [   64.342104] [<c0c5765c>] (direct_entry) from [<c07e1728>] (full_proxy_write+0x64/0x94)

 1822 22:38:57.351199  # [   64.352791]  r9:c6b69f60 r8:c53900c0 r7:0000000a r6:b6dbd000 r5:c2fb0c80 r4:c0c5765c

 1823 22:38:57.351441  # [   64.362882] [<c07e16c4>] (full_proxy_write) from [<c059ba74>] (vfs_write+0x10c/0x53c)

 1824 22:38:57.394032  # [   64.373481]  r9:c07e16c4 r8:c6b69f60 r7:c2815800 r6:b6dbd000 r5:c2fb0c80 r4:00000000

 1825 22:38:57.394457  # [   64.383566] [<c059b968>] (vfs_write) from [<c059c020>] (ksys_write+0x74/0xec)

 1826 22:38:57.394689  # [   64.393128]  r10:00000004 r9:00000000 r8:00000000 r7:b6dbd000 r6:c6b68000 r5:c2fb0c80

 1827 22:38:57.394884  # [   64.403380]  r4:c2fb0c80

 1828 22:38:57.395074  # [   64.407916] [<c059bfac>] (ksys_write) from [<c059c0b0>] (sys_write+0x18/0x1c)

 1829 22:38:57.395258  # [   64.417562]  r9:c6b68000 r8:c03002e4 r7:00000004 r6:b6f04e00 r5:0000000a r4:0000000a

 1830 22:38:57.395438  # [   64.427565] [<c059c098>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 1831 22:38:57.438102  # [   64.437728] Exception stack(0xc6b69fa8 to 0xc6b69ff0)

 1832 22:38:57.438565  # [   64.444778] 9fa0:                   0000000a 0000000a 00000001 b6dbd000 0000000a 00000000

 1833 22:38:57.438813  # [   64.455208] 9fc0: 0000000a 0000000a b6f04e00 00000004 00000001 00000000 00020000 beadfac4

 1834 22:38:57.439053  # [   64.465554] 9fe0: 00000004 beadf7f8 b6e6ed8f b6df57e6

 1835 22:38:57.439266  # [   64.472776] Code: e24cb004 e52de004 e8bd4000 e3a03000 (e5833000) 

 1836 22:38:57.439468  # [   64.481271] ---[ end trace 77357beb01f1e267 ]---

 1837 22:38:57.439687  # EXCEPTION: missing 'call trace:': [FAIL]

 1838 22:38:57.482110  not ok 5 selftests: lkdtm: EXCEPTION.sh # exit=1

 1839 22:38:57.482530  # selftests: lkdtm: LOOP.sh

 1840 22:38:57.482768  # Skipping LOOP: Hangs the system

 1841 22:38:57.482968  ok 6 selftests: lkdtm: LOOP.sh # SKIP

 1842 22:38:57.483156  # selftests: lkdtm: EXHAUST_STACK.sh

 1843 22:38:57.514148  # Skipping EXHAUST_STACK: Corrupts memory on failure

 1844 22:38:57.514594  ok 7 selftests: lkdtm: EXHAUST_STACK.sh # SKIP

 1845 22:38:57.530225  # selftests: lkdtm: CORRUPT_STACK.sh

 1846 22:38:57.702752  # Skipping CORRUPT_STACK: Crashes entire system on success

 1847 22:38:57.703135  ok 8 selftests: lkdtm: CORRUPT_STACK.sh # SKIP

 1848 22:38:57.718782  # selftests: lkdtm: CORRUPT_STACK_STRONG.sh

 1849 22:38:57.883422  # Skipping CORRUPT_STACK_STRONG: Crashes entire system on success

 1850 22:38:57.883908  ok 9 selftests: lkdtm: CORRUPT_STACK_STRONG.sh # SKIP

 1851 22:38:57.899405  # selftests: lkdtm: CORRUPT_LIST_ADD.sh

 1852 22:38:58.130888  <6>[   65.643302] lkdtm: Performing direct entry CORRUPT_LIST_ADD

 1853 22:38:58.131335  <6>[   65.649198] lkdtm: attempting good list addition

 1854 22:38:58.131589  <6>[   65.654187] lkdtm: attempting corrupted list addition

 1855 22:38:58.131806  <3>[   65.659543] lkdtm: list_add() corruption not detected!

 1856 22:38:58.222902  # [   65.643302] lkdtm: Performing direct entry CORRUPT_LIST_ADD

 1857 22:38:58.223355  # [   65.649198] lkdtm: attempting good list addition

 1858 22:38:58.223614  # [   65.654187] lkdtm: attempting corrupted list addition

 1859 22:38:58.223831  # [   65.659543] lkdtm: list_add() corruption not detected!

 1860 22:38:58.224039  # CORRUPT_LIST_ADD: missing 'list_add corruption': [FAIL]

 1861 22:38:58.238871  not ok 10 selftests: lkdtm: CORRUPT_LIST_ADD.sh # exit=1

 1862 22:38:58.254788  # selftests: lkdtm: CORRUPT_LIST_DEL.sh

 1863 22:38:58.493972  <6>[   66.001897] lkdtm: Performing direct entry CORRUPT_LIST_DEL

 1864 22:38:58.494121  <6>[   66.007824] lkdtm: attempting good list removal

 1865 22:38:58.494177  <6>[   66.012625] lkdtm: attempting corrupted list removal

 1866 22:38:58.494224  <3>[   66.018077] lkdtm: list_del() corruption not detected!

 1867 22:38:58.579207  # [   66.001897] lkdtm: Performing direct entry CORRUPT_LIST_DEL

 1868 22:38:58.579659  # [   66.007824] lkdtm: attempting good list removal

 1869 22:38:58.579915  # [   66.012625] lkdtm: attempting corrupted list removal

 1870 22:38:58.580131  # [   66.018077] lkdtm: list_del() corruption not detected!

 1871 22:38:58.580337  # CORRUPT_LIST_DEL: missing 'list_del corruption': [FAIL]

 1872 22:38:58.595182  not ok 11 selftests: lkdtm: CORRUPT_LIST_DEL.sh # exit=1

 1873 22:38:58.611038  # selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh

 1874 22:38:58.834578  <6>[   66.346977] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING

 1875 22:38:58.835045  <6>[   66.353531] lkdtm: attempting bad read from page below current stack

 1876 22:38:58.835342  <3>[   66.360242] lkdtm: FAIL: accessed page before stack! (byte: 0)

 1877 22:38:58.905546  # [   66.346977] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING

 1878 22:38:58.905997  # [   66.353531] lkdtm: attempting bad read from page below current stack

 1879 22:38:58.906281  # [   66.360242] lkdtm: FAIL: accessed page before stack! (byte: 0)

 1880 22:38:58.921557  # STACK_GUARD_PAGE_LEADING: missing 'call trace:': [FAIL]

 1881 22:38:58.948468  not ok 12 selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh # exit=1

 1882 22:38:58.964455  # selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh

 1883 22:38:59.180912  <6>[   66.693845] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING

 1884 22:38:59.181409  <6>[   66.700518] lkdtm: attempting bad read from page above current stack

 1885 22:38:59.181732  <3>[   66.707208] lkdtm: FAIL: accessed page after stack! (byte: 0)

 1886 22:38:59.266928  # [   66.693845] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING

 1887 22:38:59.267379  # [   66.700518] lkdtm: attempting bad read from page above current stack

 1888 22:38:59.267633  # [   66.707208] lkdtm: FAIL: accessed page after stack! (byte: 0)

 1889 22:38:59.267849  # STACK_GUARD_PAGE_TRAILING: missing 'call trace:': [FAIL]

 1890 22:38:59.292775  not ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # exit=1

 1891 22:38:59.308894  # selftests: lkdtm: UNSET_SMEP.sh

 1892 22:38:59.522980  <6>[   67.046981] lkdtm: Performing direct entry UNSET_SMEP

 1893 22:38:59.523130  <3>[   67.052315] lkdtm: XFAIL: this test is x86_64-only

 1894 22:38:59.594192  # [   67.046981] lkdtm: Performing direct entry UNSET_SMEP

 1895 22:38:59.594600  # [   67.052315] lkdtm: XFAIL: this test is x86_64-only

 1896 22:38:59.610144  # UNSET_SMEP: saw 'XFAIL': [SKIP]

 1897 22:38:59.642224  ok 14 selftests: lkdtm: UNSET_SMEP.sh # SKIP

 1898 22:38:59.658234  # selftests: lkdtm: DOUBLE_FAULT.sh

 1899 22:38:59.848635  <6>[   67.372137] lkdtm: Performing direct entry DOUBLE_FAULT

 1900 22:38:59.849038  <3>[   67.377747] lkdtm: XFAIL: this test is ia32-only

 1901 22:38:59.917660  # [   67.372137] lkdtm: Performing direct entry DOUBLE_FAULT

 1902 22:38:59.918085  # [   67.377747] lkdtm: XFAIL: this test is ia32-only

 1903 22:38:59.933717  # DOUBLE_FAULT: saw 'XFAIL': [SKIP]

 1904 22:38:59.949463  ok 15 selftests: lkdtm: DOUBLE_FAULT.sh # SKIP

 1905 22:38:59.981505  # selftests: lkdtm: CORRUPT_PAC.sh

 1906 22:39:00.178090  <6>[   67.698418] lkdtm: Performing direct entry CORRUPT_PAC

 1907 22:39:00.178591  <3>[   67.703907] lkdtm: XFAIL: this test is arm64-only

 1908 22:39:00.240168  # [   67.698418] lkdtm: Performing direct entry CORRUPT_PAC

 1909 22:39:00.240620  # [   67.703907] lkdtm: XFAIL: this test is arm64-only

 1910 22:39:00.256087  # CORRUPT_PAC: saw 'XFAIL': [SKIP]

 1911 22:39:00.272078  ok 16 selftests: lkdtm: CORRUPT_PAC.sh # SKIP

 1912 22:39:00.304106  # selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh

 1913 22:39:00.506507  <6>[   68.023376] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE

 1914 22:39:00.506915  <3>[   68.030295] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS

 1915 22:39:00.573408  # [   68.023376] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE

 1916 22:39:00.573851  # [   68.030295] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS

 1917 22:39:00.589546  # UNALIGNED_LOAD_STORE_WRITE: saw 'XFAIL': [SKIP]

 1918 22:39:00.617356  ok 17 selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh # SKIP

 1919 22:39:00.633580  # selftests: lkdtm: OVERWRITE_ALLOCATION.sh

 1920 22:39:00.801254  # Skipping OVERWRITE_ALLOCATION: Corrupts memory on failure

 1921 22:39:00.801747  ok 18 selftests: lkdtm: OVERWRITE_ALLOCATION.sh # SKIP

 1922 22:39:00.817262  # selftests: lkdtm: WRITE_AFTER_FREE.sh

 1923 22:39:00.989930  # Skipping WRITE_AFTER_FREE: Corrupts memory on failure

 1924 22:39:00.990384  ok 19 selftests: lkdtm: WRITE_AFTER_FREE.sh # SKIP

 1925 22:39:01.005914  # selftests: lkdtm: READ_AFTER_FREE.sh

 1926 22:39:01.213439  <6>[   68.722046] lkdtm: Performing direct entry READ_AFTER_FREE

 1927 22:39:01.213939  <6>[   68.728069] lkdtm: Value in memory before free: 12345678

 1928 22:39:01.214208  <6>[   68.733722] lkdtm: Attempting bad read from freed memory

 1929 22:39:01.214425  <6>[   68.739311] lkdtm: Memory was not poisoned

 1930 22:39:01.291375  # [   68.722046] lkdtm: Performing direct entry READ_AFTER_FREE

 1931 22:39:01.291829  # [   68.728069] lkdtm: Value in memory before free: 12345678

 1932 22:39:01.292087  # [   68.733722] lkdtm: Attempting bad read from freed memory

 1933 22:39:01.292303  # [   68.739311] lkdtm: Memory was not poisoned

 1934 22:39:01.292508  # READ_AFTER_FREE: missing 'call trace:': [FAIL]

 1935 22:39:01.307355  not ok 20 selftests: lkdtm: READ_AFTER_FREE.sh # exit=1

 1936 22:39:01.339230  # selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh

 1937 22:39:01.511976  # Skipping WRITE_BUDDY_AFTER_FREE: Corrupts memory on failure

 1938 22:39:01.512435  ok 21 selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # SKIP

 1939 22:39:01.527889  # selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh

 1940 22:39:01.758303  <6>[   69.266033] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE

 1941 22:39:01.758718  <6>[   69.272332] lkdtm: Value in memory before free: 12345678

 1942 22:39:01.758949  <6>[   69.278019] lkdtm: Attempting to read from freed memory

 1943 22:39:01.759148  <6>[   69.283520] lkdtm: Buddy page was not poisoned

 1944 22:39:01.837322  # [   69.266033] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE

 1945 22:39:01.837775  # [   69.272332] lkdtm: Value in memory before free: 12345678

 1946 22:39:01.838052  # [   69.278019] lkdtm: Attempting to read from freed memory

 1947 22:39:01.838272  # [   69.283520] lkdtm: Buddy page was not poisoned

 1948 22:39:01.838484  # READ_BUDDY_AFTER_FREE: missing 'call trace:': [FAIL]

 1949 22:39:01.869065  not ok 22 selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh # exit=1

 1950 22:39:01.885222  # selftests: lkdtm: SLAB_FREE_DOUBLE.sh

 1951 22:39:02.133716  <6>[   69.615401] lkdtm: Performing direct entry SLAB_FREE_DOUBLE

 1952 22:39:02.134138  <6>[   69.621316] lkdtm: Attempting double slab free ...

 1953 22:39:02.134394  <4>[   69.627099] panel-simple panel-lcd: supply power not found, using dummy regulator

 1954 22:39:02.134622  <4>[   69.636011] panel-simple panel-lcd: Specify missing connector_type

 1955 22:39:02.134832  <4>[   69.650915] panel-simple panel-lvds0: supply power not found, using dummy regulator

 1956 22:39:02.135043  <6>[   69.667865] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm])

 1957 22:39:02.180060  <6>[   69.676483] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm])

 1958 22:39:02.180522  <6>[   69.685117] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm])

 1959 22:39:02.180791  <6>[   69.693722] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm])

 1960 22:39:02.181013  <6>[   69.704188] platform backlight-lcd: deferred probe pending

 1961 22:39:02.181223  <6>[   69.710405] platform backlight-lvds: deferred probe pending

 1962 22:39:02.181432  <6>[   69.716441] platform panel-lcd: deferred probe pending

 1963 22:39:02.200532  <6>[   69.721883] platform panel-lvds0: deferred probe pending

 1964 22:39:02.200988  <6>[   69.727512] platform disp0: deferred probe pending

 1965 22:39:02.243581  # [   69.615401] lkdtm: Performing direct entry SLAB_FREE_DOUBLE

 1966 22:39:02.244032  # [   69.621316] lkdtm: Attempting double slab free ...

 1967 22:39:02.244285  # [   69.627099] panel-simple panel-lcd: supply power not found, using dummy regulator

 1968 22:39:02.244508  # [   69.636011] panel-simple panel-lcd: Specify missing connector_type

 1969 22:39:02.244716  # [   69.650915] panel-simple panel-lvds0: supply power not found, using dummy regulator

 1970 22:39:02.244921  # [   69.667865] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm])

 1971 22:39:02.275537  # [   69.676483] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm])

 1972 22:39:02.275994  # SLAB_FREE_DOUBLE: missing 'call trace:': [FAIL]

 1973 22:39:02.276266  not ok 23 selftests: lkdtm: SLAB_FREE_DOUBLE.sh # exit=1

 1974 22:39:02.291538  # selftests: lkdtm: SLAB_FREE_CROSS.sh

 1975 22:39:02.501953  <6>[   70.020476] lkdtm: Performing direct entry SLAB_FREE_CROSS

 1976 22:39:02.502398  <6>[   70.026434] lkdtm: Attempting cross-cache slab free ...

 1977 22:39:02.569960  # [   70.020476] lkdtm: Performing direct entry SLAB_FREE_CROSS

 1978 22:39:02.570380  # [   70.026434] lkdtm: Attempting cross-cache slab free ...

 1979 22:39:02.586043  # SLAB_FREE_CROSS: missing 'call trace:': [FAIL]

 1980 22:39:02.601736  not ok 24 selftests: lkdtm: SLAB_FREE_CROSS.sh # exit=1

 1981 22:39:02.617763  # selftests: lkdtm: SLAB_FREE_PAGE.sh

 1982 22:39:02.830106  <6>[   70.352621] lkdtm: Performing direct entry SLAB_FREE_PAGE

 1983 22:39:02.830262  <6>[   70.358490] lkdtm: Attempting non-Slab slab free ...

 1984 22:39:02.899495  # [   70.352621] lkdtm: Performing direct entry SLAB_FREE_PAGE

 1985 22:39:02.899980  # [   70.358490] lkdtm: Attempting non-Slab slab free ...

 1986 22:39:02.915398  # SLAB_FREE_PAGE: missing 'call trace:': [FAIL]

 1987 22:39:02.931340  not ok 25 selftests: lkdtm: SLAB_FREE_PAGE.sh # exit=1

 1988 22:39:02.947342  # selftests: lkdtm: SOFTLOCKUP.sh

 1989 22:39:03.107088  # Skipping SOFTLOCKUP: Hangs the system

 1990 22:39:03.123026  ok 26 selftests: lkdtm: SOFTLOCKUP.sh # SKIP

 1991 22:39:03.138986  # selftests: lkdtm: HARDLOCKUP.sh

 1992 22:39:03.312605  # Skipping HARDLOCKUP: Hangs the system

 1993 22:39:03.313062  ok 27 selftests: lkdtm: HARDLOCKUP.sh # SKIP

 1994 22:39:03.328655  # selftests: lkdtm: SPINLOCKUP.sh

 1995 22:39:03.488326  # Skipping SPINLOCKUP: Hangs the system

 1996 22:39:03.488846  ok 28 selftests: lkdtm: SPINLOCKUP.sh # SKIP

 1997 22:39:03.520293  # selftests: lkdtm: HUNG_TASK.sh

 1998 22:39:03.663966  # Skipping HUNG_TASK: Hangs the system

 1999 22:39:03.679964  ok 29 selftests: lkdtm: HUNG_TASK.sh # SKIP

 2000 22:39:03.695990  # selftests: lkdtm: EXEC_DATA.sh

 2001 22:39:03.921243  <6>[   71.421650] lkdtm: Performing direct entry EXEC_DATA

 2002 22:39:03.921746  <6>[   71.427139] lkdtm: attempting ok execution at c0c57fec

 2003 22:39:03.922045  <6>[   71.432584] lkdtm: attempting bad execution at c27069b4

 2004 22:39:03.922266  <1>[   71.438133] 8<--- cut here ---

 2005 22:39:03.922472  <1>[   71.441468] Unable to handle kernel paging request at virtual address c27069b4

 2006 22:39:03.922676  <1>[   71.448975] pgd = 7e3059cc

 2007 22:39:03.922879  <1>[   71.451967] [c27069b4] *pgd=1261141e(bad)

 2008 22:39:03.923078  <0>[   71.456294] Internal error: Oops: 8000000d [#3] SMP ARM

 2009 22:39:03.964591  <4>[   71.461805] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 2010 22:39:03.965061  <4>[   71.491350] CPU: 0 PID: 1725 Comm: cat Tainted: G      D W         5.10.202-cip41 #1

 2011 22:39:03.965329  <4>[   71.499376] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 2012 22:39:04.007952  <4>[   71.506204] PC is at data_area+0x0/0x40

 2013 22:39:04.008411  <4>[   71.510340] LR is at execute_location+0xa4/0xb4

 2014 22:39:04.008682  <4>[   71.515157] pc : [<c27069b4>]    lr : [<c13c7348>]    psr: 600e0013

 2015 22:39:04.008901  <4>[   71.521707] sp : c6c65e38  ip : c6c65d40  fp : c6c65e54

 2016 22:39:04.009108  <4>[   71.527214] r10: 0000000a  r9 : c1ad5630  r8 : c15ebd0c

 2017 22:39:04.009317  <4>[   71.532722] r7 : c6c65f60  r6 : 00000001  r5 : c27069b4  r4 : c0c57fec

 2018 22:39:04.009524  <4>[   71.539529] r3 : dc8725b3  r2 : dc8725b3  r1 : ef7815e0  r0 : 0000002b

 2019 22:39:04.051226  <4>[   71.546342] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 2020 22:39:04.051684  <4>[   71.553761] Control: 10c5387d  Table: 168f804a  DAC: 00000051

 2021 22:39:04.051948  <0>[   71.559793] Process cat (pid: 1725, stack limit = 0x0dfe12b0)

 2022 22:39:04.052166  <0>[   71.565825] Stack: (0xc6c65e38 to 0xc6c66000)

 2023 22:39:04.052373  <0>[   71.570470] 5e20:                                                       0000001f c6d7e000

 2024 22:39:04.052578  <0>[   71.578942] 5e40: 0000000a c6c65f60 c6c65e64 c6c65e58 c13c74b4 c13c72b0 c6c65e74 c6c65e68

 2025 22:39:04.094652  <0>[   71.587411] 5e60: c0c5727c c13c749c c6c65e9c c6c65e78 c0c5777c c0c5725c c0c5765c c5a87040

 2026 22:39:04.095110  <0>[   71.595879] 5e80: b6ea9000 0000000a c53900c0 c6c65f60 c6c65ec4 c6c65ea0 c07e1728 c0c57668

 2027 22:39:04.095373  <0>[   71.604347] 5ea0: 00000000 c5a87040 b6ea9000 c2815800 c6c65f60 c07e16c4 c6c65f5c c6c65ec8

 2028 22:39:04.095592  <0>[   71.612817] 5ec0: c059ba74 c07e16d0 00000001 00000000 c059c020 c13dc868 c059c020 c6c64000

 2029 22:39:04.095800  <0>[   71.621286] 5ee0: b6ea9000 00020000 00000004 0000000a 0001fff6 c6c65ee0 00000001 b6ea8000

 2030 22:39:04.096004  <0>[   71.629755] 5f00: c2fb0dc0 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 2031 22:39:04.137954  <0>[   71.638224] 5f20: 00000000 00000000 c13dc868 dc8725b3 c206c120 c5a87040 c5a87040 c6c64000

 2032 22:39:04.138415  <0>[   71.646693] 5f40: b6ea9000 00000000 00000000 00000004 c6c65f94 c6c65f60 c059c020 c059b974

 2033 22:39:04.138680  <0>[   71.655159] 5f60: 00000000 00000000 c6c65fac dc8725b3 0000000a 0000000a b6ff0e00 00000004

 2034 22:39:04.138899  <0>[   71.663626] 5f80: c03002e4 c6c64000 c6c65fa4 c6c65f98 c059c0b0 c059bfb8 00000000 c6c65fa8

 2035 22:39:04.139108  <0>[   71.672094] 5fa0: c03000c0 c059c0a4 0000000a 0000000a 00000001 b6ea9000 0000000a 00000000

 2036 22:39:04.181266  <0>[   71.680563] 5fc0: 0000000a 0000000a b6ff0e00 00000004 00000001 00000000 00020000 becd0ac4

 2037 22:39:04.181752  <0>[   71.689029] 5fe0: 00000004 becd07f8 b6f5ad8f b6ee17e6 800e0030 00000001 00000000 00000000

 2038 22:39:04.182028  <0>[   71.697485] Backtrace: 

 2039 22:39:04.182249  <0>[   71.700245] [<c13c72a4>] (execute_location) from [<c13c74b4>] (lkdtm_EXEC_DATA+0x24/0x28)

 2040 22:39:04.182461  <0>[   71.708715]  r7:c6c65f60 r6:0000000a r5:c6d7e000 r4:0000001f

 2041 22:39:04.182666  <0>[   71.714675] [<c13c7490>] (lkdtm_EXEC_DATA) from [<c0c5727c>] (lkdtm_do_action+0x2c/0x4c)

 2042 22:39:04.224656  <0>[   71.723061] [<c0c57250>] (lkdtm_do_action) from [<c0c5777c>] (direct_entry+0x120/0x18c)

 2043 22:39:04.225120  <0>[   71.731369] [<c0c5765c>] (direct_entry) from [<c07e1728>] (full_proxy_write+0x64/0x94)

 2044 22:39:04.225388  <0>[   71.739582]  r9:c6c65f60 r8:c53900c0 r7:0000000a r6:b6ea9000 r5:c5a87040 r4:c0c5765c

 2045 22:39:04.225606  <0>[   71.747630] [<c07e16c4>] (full_proxy_write) from [<c059ba74>] (vfs_write+0x10c/0x53c)

 2046 22:39:04.225847  <0>[   71.755753]  r9:c07e16c4 r8:c6c65f60 r7:c2815800 r6:b6ea9000 r5:c5a87040 r4:00000000

 2047 22:39:04.268038  <0>[   71.763792] [<c059b968>] (vfs_write) from [<c059c020>] (ksys_write+0x74/0xec)

 2048 22:39:04.268497  <0>[   71.771219]  r10:00000004 r9:00000000 r8:00000000 r7:b6ea9000 r6:c6c64000 r5:c5a87040

 2049 22:39:04.268760  <0>[   71.779328]  r4:c5a87040

 2050 22:39:04.268978  <0>[   71.782158] [<c059bfac>] (ksys_write) from [<c059c0b0>] (sys_write+0x18/0x1c)

 2051 22:39:04.269192  <0>[   71.789585]  r9:c6c64000 r8:c03002e4 r7:00000004 r6:b6ff0e00 r5:0000000a r4:0000000a

 2052 22:39:04.269400  <0>[   71.797626] [<c059c098>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 2053 22:39:04.269607  <0>[   71.805477] Exception stack(0xc6c65fa8 to 0xc6c65ff0)

 2054 22:39:04.318376  <0>[   71.810817] 5fa0:                   0000000a 0000000a 00000001 b6ea9000 0000000a 00000000

 2055 22:39:04.318529  <0>[   71.819286] 5fc0: 0000000a 0000000a b6ff0e00 00000004 00000001 00000000 00020000 becd0ac4

 2056 22:39:04.318590  <0>[   71.827747] 5fe0: 00000004 becd07f8 b6f5ad8f b6ee17e6

 2057 22:39:04.318639  <0>[   71.833091] Code: 00000000 c2fee900 c2fee9c0 c2feea80 (e1a0c00d) 

 2058 22:39:04.318686  <4>[   71.839475] ---[ end trace 77357beb01f1e268 ]---

 2059 22:39:04.318742  # Segmentation fault

 2060 22:39:04.432058  # [   71.421650] lkdtm: Performing direct entry EXEC_DATA

 2061 22:39:04.432137  # [   71.427139] lkdtm: attempting ok execution at c0c57fec

 2062 22:39:04.432202  # [   71.432584] lkdtm: attempting bad execution at c27069b4

 2063 22:39:04.432266  # [   71.438133] 8<--- cut here ---

 2064 22:39:04.432318  # [   71.441468] Unable to handle kernel paging request at virtual address c27069b4

 2065 22:39:04.432372  # [   71.448975] pgd = 7e3059cc

 2066 22:39:04.432423  # [   71.451967] [c27069b4] *pgd=1261141e(bad)

 2067 22:39:04.432487  # [   71.456294] Internal error: Oops: 8000000d [#3] SMP ARM

 2068 22:39:04.475129  # [   71.461805] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 2069 22:39:04.475192  # [   71.491350] CPU: 0 PID: 1725 Comm: cat Tainted: G      D W         5.10.202-cip41 #1

 2070 22:39:04.475240  # [   71.499376] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 2071 22:39:04.518087  # [   71.506204] PC is at data_area+0x0/0x40

 2072 22:39:04.518163  # [   71.510340] LR is at execute_location+0xa4/0xb4

 2073 22:39:04.518217  # [   71.515157] pc : [<c27069b4>]    lr : [<c13c7348>]    psr: 600e0013

 2074 22:39:04.518267  # [   71.521707] sp : c6c65e38  ip : c6c65d40  fp : c6c65e54

 2075 22:39:04.518320  # [   71.527214] r10: 0000000a  r9 : c1ad5630  r8 : c15ebd0c

 2076 22:39:04.518398  # [   71.532722] r7 : c6c65f60  r6 : 00000001  r5 : c27069b4  r4 : c0c57fec

 2077 22:39:04.518453  # [   71.539529] r3 : dc8725b3  r2 : dc8725b3  r1 : ef7815e0  r0 : 0000002b

 2078 22:39:04.518504  # [   71.546342] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 2079 22:39:04.561522  # [   71.553761] Control: 10c5387d  Table: 168f804a  DAC: 00000051

 2080 22:39:04.561964  # [   71.559793] Process cat (pid: 1725, stack limit = 0x0dfe12b0)

 2081 22:39:04.562201  # [   71.565825] Stack: (0xc6c65e38 to 0xc6c66000)

 2082 22:39:04.562462  # [   71.570470] 5e20:                                                       0000001f c6d7e000

 2083 22:39:04.562666  # [   71.578942] 5e40: 0000000a c6c65f60 c6c65e64 c6c65e58 c13c74b4 c13c72b0 c6c65e74 c6c65e68

 2084 22:39:04.562854  # [   71.587411] 5e60: c0c5727c c13c749c c6c65e9c c6c65e78 c0c5777c c0c5725c c0c5765c c5a87040

 2085 22:39:04.604713  # [   71.595879] 5e80: b6ea9000 0000000a c53900c0 c6c65f60 c6c65ec4 c6c65ea0 c07e1728 c0c57668

 2086 22:39:04.605135  # [   71.604347] 5ea0: 00000000 c5a87040 b6ea9000 c2815800 c6c65f60 c07e16c4 c6c65f5c c6c65ec8

 2087 22:39:04.605382  # [   71.612817] 5ec0: c059ba74 c07e16d0 00000001 00000000 c059c020 c13dc868 c059c020 c6c64000

 2088 22:39:04.605584  # [   71.621286] 5ee0: b6ea9000 00020000 00000004 0000000a 0001fff6 c6c65ee0 00000001 b6ea8000

 2089 22:39:04.605826  # [   71.629755] 5f00: c2fb0dc0 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 2090 22:39:04.647760  # [   71.638224] 5f20: 00000000 00000000 c13dc868 dc8725b3 c206c120 c5a87040 c5a87040 c6c64000

 2091 22:39:04.648224  # [   71.646693] 5f40: b6ea9000 00000000 00000000 00000004 c6c65f94 c6c65f60 c059c020 c059b974

 2092 22:39:04.648487  # [   71.655159] 5f60: 00000000 00000000 c6c65fac dc8725b3 0000000a 0000000a b6ff0e00 00000004

 2093 22:39:04.648688  # [   71.663626] 5f80: c03002e4 c6c64000 c6c65fa4 c6c65f98 c059c0b0 c059bfb8 00000000 c6c65fa8

 2094 22:39:04.648878  # [   71.672094] 5fa0: c03000c0 c059c0a4 0000000a 0000000a 00000001 b6ea9000 0000000a 00000000

 2095 22:39:04.690858  # [   71.680563] 5fc0: 0000000a 0000000a b6ff0e00 00000004 00000001 00000000 00020000 becd0ac4

 2096 22:39:04.691301  # [   71.689029] 5fe0: 00000004 becd07f8 b6f5ad8f b6ee17e6 800e0030 00000001 00000000 00000000

 2097 22:39:04.691569  # [   71.697485] Backtrace: 

 2098 22:39:04.691820  # [   71.700245] [<c13c72a4>] (execute_location) from [<c13c74b4>] (lkdtm_EXEC_DATA+0x24/0x28)

 2099 22:39:04.692122  # [   71.708715]  r7:c6c65f60 r6:0000000a r5:c6d7e000 r4:0000001f

 2100 22:39:04.692401  # [   71.714675] [<c13c7490>] (lkdtm_EXEC_DATA) from [<c0c5727c>] (lkdtm_do_action+0x2c/0x4c)

 2101 22:39:04.738112  # [   71.723061] [<c0c57250>] (lkdtm_do_action) from [<c0c5777c>] (direct_entry+0x120/0x18c)

 2102 22:39:04.738562  # [   71.731369] [<c0c5765c>] (direct_entry) from [<c07e1728>] (full_proxy_write+0x64/0x94)

 2103 22:39:04.738811  # [   71.739582]  r9:c6c65f60 r8:c53900c0<6>[   72.247941] lkdtm: Performing direct entry EXEC_STACK

 2104 22:39:04.739031   r7:0000000a r6:b6ea9000 r5:c5a87<6>[   72.254462] lkdtm: attempting ok execution at c0c57fec

 2105 22:39:04.739240  040 r4:c0c5765c

 2106 22:39:04.739448  # [   71.747630]<6>[   72.262679] lkdtm: attempting bad execution at c2fb3e0c

 2107 22:39:04.739651   [<c07e16c4>] (full_proxy_write) <1>[   72.271067] 8<--- cut here ---

 2108 22:39:04.782140  <1>[   72.277217] Unable to handle kernel paging request at virtual address c2fb3e0c

 2109 22:39:04.782597  <1>[   72.284731] pgd = bc07555f

 2110 22:39:04.782866  <1>[   72.287726] [c2fb3e0c] *pgd=12e1141e(bad)

 2111 22:39:04.783091  <0>[   72.292053] Internal error: Oops: 8000000d [#4] SMP ARM

 2112 22:39:04.826154  <4>[   72.297566] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 2113 22:39:04.826622  <4>[   72.327108] CPU: 0 PID: 1802 Comm: cat Tainted: G      D W         5.10.202-cip41 #1

 2114 22:39:04.826904  <4>[   72.335135] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 2115 22:39:04.827135  <4>[   72.341953] PC is at 0xc2fb3e0c

 2116 22:39:04.827344  <4>[   72.345396] LR is at execute_location+0xa4/0xb4

 2117 22:39:04.827550  <4>[   72.350216] pc : [<c2fb3e0c>]    lr : [<c13c7348>]    psr: 600e0013

 2118 22:39:04.827754  <4>[   72.356765] sp : c2fb3de8  ip : c2fb3cf0  fp : c2fb3e04

 2119 22:39:04.870153  <4>[   72.362270] r10: 0000000b  r9 : c1ad563c  r8 : c15ebd0c

 2120 22:39:04.870610  <4>[   72.367779] r7 : c2fb3f60  r6 : 00000001  r5 : c2fb3e0c  r4 : c0c57fec

 2121 22:39:04.870886  <4>[   72.374586] r3 : 23901ed8  r2 : 23901ed8  r1 : ef7815e0  r0 : 0000002b

 2122 22:39:04.871115  <4>[   72.381399] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 2123 22:39:04.871329  <4>[   72.388819] Control: 10c5387d  Table: 15ed004a  DAC: 00000051

 2124 22:39:04.871538  <0>[   72.394850] Process cat (pid: 1802, stack limit = 0x8e5395cb)

 2125 22:39:04.871742  <0>[   72.400883] Stack: (0xc2fb3de8 to 0xc2fb4000)

 2126 22:39:04.914139  <0>[   72.405532] 3de0:                   c2fb2000 c6da9000 0000000b c2fb3f60 c2fb3e64 c2fb3e08

 2127 22:39:04.914600  <0>[   72.414003] 3e00: c13c74f0 c13c72b0 c2fb3e6c e1a0c00d e92dd800 e24cb004 e52de004 e8bd4000

 2128 22:39:04.914874  <0>[   72.422472] 3e20: e89da800 e1a0c00d e92dd830 e24cb004 e52de004 e8bd4000 e3073374 e34c31b8

 2129 22:39:04.915100  <0>[   72.430939] 3e40: e3a02040 e3a01d33 e5930018 23901ed8 0000000b 00000020 c2fb3e74 c2fb3e68

 2130 22:39:04.915309  <0>[   72.439406] 3e60: c0c5727c c13c74c4 c2fb3e9c c2fb3e78 c0c5777c c0c5725c c0c5765c c5b1c780

 2131 22:39:04.958138  <0>[   72.447877] 3e80: b6dc0000 0000000b c53900c0 c2fb3f60 c2fb3ec4 c2fb3ea0 c07e1728 c0c57668

 2132 22:39:04.958598  <0>[   72.456347] 3ea0: 00000000 c5b1c780 b6dc0000 c2815800 c2fb3f60 c07e16c4 c2fb3f5c c2fb3ec8

 2133 22:39:04.958873  <0>[   72.464817] 3ec0: c059ba74 c07e16d0 00000001 00000000 c059c020 c13dc868 c059c020 c2fb2000

 2134 22:39:04.959098  <0>[   72.473285] 3ee0: b6dc0000 00020000 00000004 0000000b 0001fff5 c2fb3ee0 00000001 b6dbf000

 2135 22:39:04.959305  <0>[   72.481753] 3f00: c5d19b80 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 2136 22:39:05.002097  <0>[   72.490221] 3f20: 00000000 00000000 c13dc868 23901ed8 c206c120 c5b1c780 c5b1c780 c2fb2000

 2137 22:39:05.002558  <0>[   72.498689] 3f40: b6dc0000 00000000 00000000 00000004 c2fb3f94 c2fb3f60 c059c020 c059b974

 2138 22:39:05.002829  <0>[   72.507157] 3f60: 00000000 00000000 c2fb3fac 23901ed8 0000000b 0000000b b6f07e00 00000004

 2139 22:39:05.003053  <0>[   72.515626] 3f80: c03002e4 c2fb2000 c2fb3fa4 c2fb3f98 c059c0b0 c059bfb8 00000000 c2fb3fa8

 2140 22:39:05.003263  <0>[   72.524093] 3fa0: c03000c0 c059c0a4 0000000b 0000000b 00000001 b6dc0000 0000000b 00000000

 2141 22:39:05.046096  <0>[   72.532561] 3fc0: 0000000b 0000000b b6f07e00 00000004 00000001 00000000 00020000 becffac4

 2142 22:39:05.046555  <0>[   72.541029] 3fe0: 00000004 becff7f8 b6e71d8f b6df87e6 800e0030 00000001 00000000 00000000

 2143 22:39:05.046832  <0>[   72.549482] Backtrace: 

 2144 22:39:05.047057  <0>[   72.552244] [<c13c72a4>] (execute_location) from [<c13c74f0>] (lkdtm_EXEC_STACK+0x38/0x54)

 2145 22:39:05.047275  <0>[   72.560801]  r7:c2fb3f60 r6:0000000b r5:c6da9000 r4:c2fb2000

 2146 22:39:05.047481  <0>[   72.566762] [<c13c74b8>] (lkdtm_EXEC_STACK) from [<c0c5727c>] (lkdtm_do_action+0x2c/0x4c)

 2147 22:39:05.047686  <0>[   72.575224]  r4:00000020

 2148 22:39:05.090103  <0>[   72.578051] [<c0c57250>] (lkdtm_do_action) from [<c0c5777c>] (direct_entry+0x120/0x18c)

 2149 22:39:05.090562  <0>[   72.586360] [<c0c5765c>] (direct_entry) from [<c07e1728>] (full_proxy_write+0x64/0x94)

 2150 22:39:05.090840  <0>[   72.594569]  r9:c2fb3f60 r8:c53900c0 r7:0000000b r6:b6dc0000 r5:c5b1c780 r4:c0c5765c

 2151 22:39:05.091068  <0>[   72.602617] [<c07e16c4>] (full_proxy_write) from [<c059ba74>] (vfs_write+0x10c/0x53c)

 2152 22:39:05.091282  <0>[   72.610738]  r9:c07e16c4 r8:c2fb3f60 r7:c2815800 r6:b6dc0000 r5:c5b1c780 r4:00000000

 2153 22:39:05.134105  <0>[   72.618776] [<c059b968>] (vfs_write) from [<c059c020>] (ksys_write+0x74/0xec)

 2154 22:39:05.134562  <0>[   72.626203]  r10:00000004 r9:00000000 r8:00000000 r7:b6dc0000 r6:c2fb2000 r5:c5b1c780

 2155 22:39:05.134833  <0>[   72.634312]  r4:c5b1c780

 2156 22:39:05.135061  <0>[   72.637140] [<c059bfac>] (ksys_write) from [<c059c0b0>] (sys_write+0x18/0x1c)

 2157 22:39:05.135272  <0>[   72.644566]  r9:c2fb2000 r8:c03002e4 r7:00000004 r6:b6f07e00 r5:0000000b r4:0000000b

 2158 22:39:05.135475  <0>[   72.652608] [<c059c098>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 2159 22:39:05.135675  <0>[   72.660460] Exception stack(0xc2fb3fa8 to 0xc2fb3ff0)

 2160 22:39:05.177983  <0>[   72.665801] 3fa0:                   0000000b 0000000b 00000001 b6dc0000 0000000b 00000000

 2161 22:39:05.178433  <0>[   72.674270] 3fc0: 0000000b 0000000b b6f07e00 00000004 00000001 00000000 00020000 becffac4

 2162 22:39:05.178694  <0>[   72.682732] 3fe0: 00000004 becff7f8 b6e71d8f b6df87e6

 2163 22:39:05.178976  <0>[   72.688077] Code: c2fb3e08 c13c74f0 c13c72b0 c2fb3e6c (e1a0c00d) 

 2164 22:39:05.179208  <4>[   72.694464] ---[ end trace 77357beb01f1e269 ]---

 2165 22:39:05.179417  from [<c059ba74>] (vfs_write+0x10c/0x53c)

 2166 22:39:05.179624  # [   71.755753]  r9:c07e16c4 r8:c6c65f60 r7:c2815800 r6:b6ea9000 r5:c5a87040 r4:00000000

 2167 22:39:05.221749  # [   71.763792] [<c059b968>] (vfs_write) from [<c059c020>] (ksys_write+0x74/0xec)

 2168 22:39:05.221836  # [   71.771219]  r10:00000004 r9:00000000 r8:00000000 r7:b6ea9000 r6:c6c64000 r5:c5a87040

 2169 22:39:05.221908  # [   71.779328]  r4:c5a87040

 2170 22:39:05.221967  # [   71.782158] [<c059bfac>] (ksys_write) from [<c059c0b0>] (sys_write+0x18/0x1c)

 2171 22:39:05.222025  # [   71.789585]  r9:c6c64000 r8:c03002e4 r7:00000004 r6:b6ff0e00 r5:0000000a r4:0000000a

 2172 22:39:05.222080  # [   71.797626] [<c059c098>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 2173 22:39:05.265718  # [   71.805477] Exception stack(0xc6c65fa8 to 0xc6c65ff0)

 2174 22:39:05.265795  # [   71.810817] 5fa0:                   0000000a 0000000a 00000001 b6ea9000 0000000a 00000000

 2175 22:39:05.265862  # [   71.819286] 5fc0: 0000000a 0000000a b6ff0e00 00000004 00000001 00000000 00020000 becd0ac4

 2176 22:39:05.265915  # [   71.827747] 5fe0: 00000004 becd07f8 b6f5ad8f b6ee17e6

 2177 22:39:05.265983  # [   71.833091] Code: 00000000 c2fee900 c2fee9c0 c2feea80 (e1a0c00d) 

 2178 22:39:05.266037  # [   71.839475] ---[ end trace 77357beb01f1e268 ]---

 2179 22:39:05.266087  # EXEC_DATA: missing 'call trace:': [FAIL]

 2180 22:39:05.266133  not ok 30 selftests: lkdtm: EXEC_DATA.sh # exit=1

 2181 22:39:05.310106  # selftests: lkdtm: EXEC_STACK.sh

 2182 22:39:05.310607  # Segmentation fault

 2183 22:39:05.313944  # [   72.247941] lkdtm: Performing direct entry EXEC_STACK

 2184 22:39:05.314215  # [   72.254462] lkdtm: attempting ok execution at c0c57fec

 2185 22:39:05.314420  # [   72.262679] lkdtm: attempting bad execution at c2fb3e0c

 2186 22:39:05.314610  # [   72.271067] 8<--- cut here ---

 2187 22:39:05.314802  # [   72.277217] Unable to handle kernel paging request at virtual address c2fb3e0c

 2188 22:39:05.315004  # [   72.284731] pgd = bc07555f

 2189 22:39:05.315266  # [   72.287726] [c2fb3e0c] *pgd=12e1141e(bad)

 2190 22:39:05.315513  # [   72.292053] Internal error: Oops: 8000000d [#4] SMP ARM

 2191 22:39:05.357743  # [   72.297566] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 2192 22:39:05.357838  # [   72.327108] CPU: 0 PID: 1802 Comm: cat Tainted: G      D W         5.10.202-cip41 #1

 2193 22:39:05.357921  # [   72.335135] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 2194 22:39:05.357986  # [   72.341953] PC is at 0xc2fb3e0c

 2195 22:39:05.401991  # [   72.345396] LR is at execute_location+0xa4/0xb4

 2196 22:39:05.402400  # [   72.350216] pc : [<c2fb3e0c>]    lr : [<c13c7348>]    psr: 600e0013

 2197 22:39:05.402630  # [   72.356765] sp : c2fb3de8  ip : c2fb3cf0  fp : c2fb3e04

 2198 22:39:05.402824  # [   72.362270] r10: 0000000b  r9 : c1ad563c  r8 : c15ebd0c

 2199 22:39:05.403012  # [   72.367779] r7 : c2fb3f60  r6 : 00000001  r5 : c2fb3e0c  r4 : c0c57fec

 2200 22:39:05.403197  # [   72.374586] r3 : 23901ed8  r2 : 23901ed8  r1 : ef7815e0  r0 : 0000002b

 2201 22:39:05.403380  # [   72.381399] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 2202 22:39:05.446025  # [   72.388819] Control: 10c5387d  Table: 15ed004a  DAC: 00000051

 2203 22:39:05.446491  # [   72.394850] Process cat (pid: 1802, stack limit = 0x8e5395cb)

 2204 22:39:05.446782  # [   72.400883] Stack: (0xc2fb3de8 to 0xc2fb4000)

 2205 22:39:05.447005  # [   72.405532] 3de0:                   c2fb2000 c6da9000 0000000b c2fb3f60 c2fb3e64 c2fb3e08

 2206 22:39:05.447245  # [   72.414003] 3e00: c13c74f0 c13c72b0 c2fb3e6c e1a0c00d e92dd800 e24cb004 e52de004 e8bd4000

 2207 22:39:05.447480  # [   72.422472] 3e20: e89da800 e1a0c00d e92dd830 e24cb004 e52de004 e8bd4000 e3073374 e34c31b8

 2208 22:39:05.490032  # [   72.430939] 3e40: e3a02040 e3a01d33 e5930018 23901ed8 0000000b 00000020 c2fb3e74 c2fb3e68

 2209 22:39:05.490492  # [   72.439406] 3e60: c0c5727c c13c74c4 c2fb3e9c c2fb3e78 c0c5777c c0c5725c c0c5765c c5b1c780

 2210 22:39:05.490746  # [   72.447877] 3e80: b6dc0000 0000000b c53900c0 c2fb3f60 c2fb3ec4 c2fb3ea0 c07e1728 c0c57668

 2211 22:39:05.491007  # [   72.456347] 3ea0: 00000000 c5b1c780 b6dc0000 c2815800 c2fb3f60 c07e16c4 c2fb3f5c c2fb3ec8

 2212 22:39:05.491243  # [   72.464817] 3ec0: c059ba74 c07e16d0 00000001 00000000 c059c020 c13dc868 c059c020 c2fb2000

 2213 22:39:05.533999  # [   72.473285] 3ee0: b6dc0000 00020000 00000004 0000000b 0001fff5 c2fb3ee0 00000001 b6dbf000

 2214 22:39:05.534409  # [   72.481753] 3f00: c5d19b80 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 2215 22:39:05.534635  # [   72.490221] 3f20: 00000000 00000000 c13dc868 23901ed8 c206c120 c5b1c780 c5b1c780 c2fb2000

 2216 22:39:05.534832  # [   72.498689] 3f40: b6dc0000 00000000 00000000 00000004 c2fb3f94 c2fb3f60 c059c020 c059b974

 2217 22:39:05.535026  # [   72.507157] 3f60: 00000000 00000000 c2fb3fac 23901ed8 0000000b 0000000b b6f07e00 00000004

 2218 22:39:05.578069  # [   72.515626] 3f80: c03002e4 c2fb2000 c2fb3fa4 c2fb3f98 c059c0b0 c059bfb8 00000000 c2fb3fa8

 2219 22:39:05.578488  # [   72.524093] 3fa0: c03000c0 c059c0a4 0000000b 0000000b 00000001 b6dc0000 0000000b 00000000

 2220 22:39:05.578736  # [   72.532561] 3fc0: 0000000b 0000000b b6f07e00 00000004 00000001 00000000 00020000 becffac4

 2221 22:39:05.578948  # [   72.541029] 3fe0: 00000004 becff7f8 b6e71d8f b6df87e6 800e0030 00000001 00000000 00000000

 2222 22:39:05.579138  # [   72.549482] Backtrace: 

 2223 22:39:05.579322  # [   72.552244] [<c13c72a4>] (execute_location) from [<c13c74f0>] (lkdtm_EXEC_STACK+0x38/0x54)

 2224 22:39:05.622107  # [   72.560801]  r7:c2fb3f60 r6:0000000b r5:c6da9000 r4:c2fb2000

 2225 22:39:05.622563  # [   72.566762] [<c13c74b8>] (lkdtm_EXEC_STACK) from [<c0c5727c>] (lkdtm_do_action+0x2c/0x4c)

 2226 22:39:05.622840  # [   72.575224]  r4:00000020

 2227 22:39:05.623068  # [   72.578051] [<c0c57250>] (lkdtm_do_action) from [<c0c5777c>] (direct_entry+0x120/0x18c)

 2228 22:39:05.623277  # [   72.586360] [<c0c5765c>] (direct_entry) from [<c07e1728>] (full_proxy_write+0x64/0x94)

 2229 22:39:05.623482  # [   72.594569]  r9:c2fb3f60 r8:c53900c0 r7:0000000b r6:b6dc0000 r5:c5b1c780 r4:c0c5765c

 2230 22:39:05.666099  # [   72.602617] [<c07e16c4>] (full_proxy_write) from [<c059ba74>] (v<6>[   73.159708] lkdtm: Performing direct entry EXEC_KMALLOC

 2231 22:39:05.666558  fs_write+0x10c/0x53c)

 2232 22:39:05.666830  # [   72.6<6>[   73.165531] lkdtm: attempting ok execution at c0c57fec

 2233 22:39:05.667059  10738]  r9:c07e16c4 r8:c2fb3f60 r<6>[   73.173781] lkdtm: attempting bad execution at c5d0ca80

 2234 22:39:05.667275  7:c2815800 r6:b6dc0000< 1r>5[: c  73.182085] 8<--- cut here ---

 2235 22:39:05.667490  b1c780 r4<:10>0[0 0 0 07030.

 2236 22:39:05.667693  1

 2237 22:39:05.667901  8#738] Unable to handle kernel paging request at virtual address c5d0ca80

 2238 22:39:05.668110   [   72.61877<61]> [ [ < c7035.9196956] pgd = 25636e7c

 2239 22:39:05.710135  968>] (vfs_write) from [<c<015>9[   73.201831] [c5d0ca80] *pgd=15c1141e(bad)

 2240 22:39:05.710600  020>] (ksys_write<+00>x[7 4 / 07x.208620] Internal error: Oops: 8000000d [#5] SMP ARM

 2241 22:39:05.710884  ec)

 2242 22:39:05.754134  # [   72.626203]  r10:000000<4>[   73.216183] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 2243 22:39:05.754606  04 r9:00000000 r8:0<040>0[0 0 0 03.248149] CPU: 3 PID: 1882 Comm: cat Tainted: G      D W         5.10.202-cip41 #1

 2244 22:39:05.754897   r7:b6dc00<040> [r 6 : c723f.b2258314] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 2245 22:39:05.755127  00 r5:c5b1c780

 2246 22:39:05.755341  <#4> [[      7732266926] PC is at 0xc5d0ca80

 2247 22:39:05.755550  .634312]  r4:c5b1c780

 2248 22:39:05.755755  #< 4>[[    73.272328] LR is at execute_location+0xa4/0xb4

 2249 22:39:05.755957   72.637140]< 4[><[c 0 5 97b3f.a2c9451] pc : [<c5d0ca80>]    lr : [<c13c7348>]    psr: 600e0013

 2250 22:39:05.798141  >] (ksy<s4_>w[r i t e7)3 .f2r8o7m99] sp : c6a69e30  ip : 00000027  fp : c6a69e4c

 2251 22:39:05.798601   [<c059c0b<04>>][  ( s y7s3_.2w9r933] r10: 0000000d  r9 : c1ad5648  r8 : c15ebd0c

 2252 22:39:05.798873  ite+0x18/0<x41>c[) 

 2253 22:39:05.799097   

 2254 22:39:05.799305   #7 3[. 3 02152] r7 : c6a69f60  r6 : 00000001  r5 : c5d0ca80  r4 : c0c57fec

 2255 22:39:05.799510  72.644566<]4 > [r 9 : c723f.b3210759] r3 : 1970e6c8  r2 : 1970e6c8  r1 : ef7c05e4  r0 : 0000002b

 2256 22:39:05.799723  00 r8:c0300<24e>4[  r 7 :703.03019282] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 2257 22:39:05.842143  0004 r6:b6f07<e40>0[  r 5 :7030.028498] Control: 10c5387d  Table: 16f2004a  DAC: 00000051

 2258 22:39:05.842606  0000b r4:<000>0[0 0 0 07b3

 2259 22:39:05.842886  .

 2260 22:39:05.843111  3#3 411] Process cat (pid: 1882, stack limit = 0xa8d4ee55)

 2261 22:39:05.843329  [   72.652<600>8[]   [ <73c.03549153] Stack: (0xc6a69e30 to 0xc6a6a000)

 2262 22:39:05.843538  c098>] (sys_write<)0 >f[r o m  7[.350509] 9e20:                                     c5d0ca80 c5cd8000 0000000d c6a69f60

 2263 22:39:05.843745  <c03000c0>] (ret_<f0a>s[t _ s y7s.361026] 9e40: c6a69e64 c6a69e50 c0c5803c c13c72b0 00000021 c5cd8000 c6a69e74 c6a69e68

 2264 22:39:05.843948  call+0x0/0x28)

 2265 22:39:05.886135  <#0 >[[      7723.371543] 9e60: c0c5727c c0c58010 c6a69e9c c6a69e78 c0c5777c c0c5725c c0c5765c c5b1c000

 2266 22:39:05.886597  660460] Excepti<o0n> [s t a c7k3(382060] 9e80: b6dd7000 0000000d c53900c0 c6a69f60 c6a69ec4 c6a69ea0 c07e1728 c0c57668

 2267 22:39:05.886879  0xc2fb3fa8 to <00x>c[2 f b 37f3f.392492] 9ea0: 00000000 c5b1c000 b6dd7000 c2815800 c6a69f60 c07e16c4 c6a69f5c c6a69ec8

 2268 22:39:05.887118  )

 2269 22:39:05.887323  # [   72.665<800>1[]   3 f7a30402924] 9ec0: c059ba74 c07e16d0 00000001 00000000 c059c020 c13dc868 c059c020 c6a68000

 2270 22:39:05.930133  :             < 0 > [      07030.413355] 9ee0: b6dd7000 00020000 00000004 0000000d 0001fff3 c6a69ee0 00000001 b6dd6000

 2271 22:39:05.930595  000b 0000000b <000>0[0 0 0 0713 .423786] 9f00: c5956500 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 2272 22:39:05.930877  6dc0000 0000000b< 00>0[0 0 0 0703.434221] 9f20: 00000000 00000000 c13dc868 1970e6c8 c206c120 c5b1c000 c5b1c000 c6a68000

 2273 22:39:05.931107  

 2274 22:39:05.931311  # [   72.674270<]0 >3[f c 0 :7 .444739] 9f40: b6dd7000 00000000 00000000 00000004 c6a69f94 c6a69f60 c059c020 c059b974

 2275 22:39:05.974139  0000000b 0000<000>0[b   b 67f30.755256] 9f60: 00000000 00000000 c6a69fac 1970e6c8 0000000d 0000000d b6f1ee00 00000004

 2276 22:39:05.974608  e00 00000004 000<000>0[0 1   0703.465601] 9f80: c03002e4 c6a68000 c6a69fa4 c6a69f98 c059c0b0 c059bfb8 00000000 c6a69fa8

 2277 22:39:05.974888  00000 00020000 <b0e>c[f f a c743.476118] 9fa0: c03000c0 c059c0a4 0000000d 0000000d 00000001 b6dd7000 0000000d 00000000

 2278 22:39:05.975122  

 2279 22:39:05.975328  # [   72.682732]< 03>f[e 0 :  70.486552] 9fc0: 0000000d 0000000d b6f1ee00 00000004 00000001 00000000 00020000 beba3ac4

 2280 22:39:06.018128  0000004 becff7f<80 >b[6 e 7 17d38497066] 9fe0: 00000004 beba37f8 b6e88d8f b6e0f7e6 800e0030 00000001 00000000 00000000

 2281 22:39:06.018596  f b6df87e6

 2282 22:39:06.018871  <

 2283 22:39:06.019095  0#> [ [    7 37.25.07492] Backtrace: 

 2284 22:39:06.019306  88077] Code: c2fb3e08 c13c74f<00 [   73.512037] [<c13c72a4>] (execute_location) from [<c0c5803c>] (lkdtm_EXEC_KMALLOC+0x38/0x44)

 2285 22:39:06.019519  c13c72b0 c2fb3e6<c0 >([e 1 a 07c3.523327]  r7:c6a69f60 r6:0000000d r5:c5cd8000 r4:c5d0ca80

 2286 22:39:06.019723  0d) 

 2287 22:39:06.019932  # [   72.69446<40]> [- - - 73.531331] [<c0c58004>] (lkdtm_EXEC_KMALLOC) from [<c0c5727c>] (lkdtm_do_action+0x2c/0x4c)

 2288 22:39:06.020136   end trac<e0 >7[7 3 5 77b3e.b5041190]  r5:c5cd8000 r4:00000021

 2289 22:39:06.062130  f1e269 ]---

 2290 22:39:06.062583  # EX<E0C>_[S T A C7K.547764] [<c0c57250>] (lkdtm_do_action) from [<c0c5777c>] (direct_entry+0x120/0x18c)

 2291 22:39:06.062863  : missing 'call trace:': <[0F>A[I  73.558116] [<c0c5765c>] (direct_entry) from [<c07e1728>] (full_proxy_write+0x64/0x94)

 2292 22:39:06.063091  L]

 2293 22:39:06.063294  not ok 31 s<e0l>f[t e s t7s3:568715]  r9:c6a69f60 r8:c53900c0 r7:0000000d r6:b6dd7000 r5:c5b1c000 r4:c0c5765c

 2294 22:39:06.063501   lkdtm: EXEC_STACK.sh # exi<t0=>1   73.578721] [<c07e16c4>] (full_proxy_write) from [<c059ba74>] (vfs_write+0x10c/0x53c)

 2295 22:39:06.063705  

 2296 22:39:06.106094  # selftests:< 0l>k[d t m :7 3E.589316]  r9:c07e16c4 r8:c6a69f60 r7:c2815800 r6:b6dd7000 r5:c5b1c000 r4:00000000

 2297 22:39:06.106576  EC_KMALLOC.sh

 2298 22:39:06.106871  <0>[   73.599316] [<c059b968>] (vfs_write) from [<c059c020>] (ksys_write+0x74/0xec)

 2299 22:39:06.107130  <0>[   73.608009]  r10:00000004 r9:00000000 r8:00000000 r7:b6dd7000 r6:c6a68000 r5:c5b1c000

 2300 22:39:06.107385  <0>[   73.616103]  r4:c5b1c000

 2301 22:39:06.107623  <0>[   73.618908] [<c059bfac>] (ksys_write) from [<c059c0b0>] (sys_write+0x18/0x1c)

 2302 22:39:06.107871  <0>[   73.626311]  r9:c6a68000 r8:c03002e4 r7:00000004 r6:b6f1ee00 r5:0000000d r4:0000000d

 2303 22:39:06.149868  <0>[   73.634326] [<c059c098>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 2304 22:39:06.150019  <0>[   73.642161] Exception stack(0xc6a69fa8 to 0xc6a69ff0)

 2305 22:39:06.150081  <0>[   73.647498] 9fa0:                   0000000d 0000000d 00000001 b6dd7000 0000000d 00000000

 2306 22:39:06.150132  <0>[   73.655969] 9fc0: 0000000d 0000000d b6f1ee00 00000004 00000001 00000000 00020000 beba3ac4

 2307 22:39:06.150179  <0>[   73.664416] 9fe0: 00000004 beba37f8 b6e88d8f b6e0f7e6

 2308 22:39:06.150223  <0>[   73.669740] Code: 6f63206e 6e656d6d 00203a74 6e756f72 (e1a0c00d) 

 2309 22:39:06.150268  <4>[   73.676103] ---[ end trace 77357beb01f1e26a ]---

 2310 22:39:06.150312  # Segmentation fault

 2311 22:39:06.257895  # [   73.159708] lkdtm: Performing direct entry EXEC_KMALLOC

 2312 22:39:06.258040  # [   73.165531] lkdtm: attempting ok execution at c0c57fec

 2313 22:39:06.258099  # [   73.173781] lkdtm: attempting bad execution at c5d0ca80

 2314 22:39:06.258151  # [   73.182085] 8<--- cut here ---

 2315 22:39:06.258197  # [   73.187738] Unable to handle kernel paging request at virtual address c5d0ca80

 2316 22:39:06.258242  # [   73.196956] pgd = 25636e7c

 2317 22:39:06.258287  # [   73.201831] [c5d0ca80] *pgd=15c1141e(bad)

 2318 22:39:06.258330  # [   73.208620] Internal error: Oops: 8000000d [#5] SMP ARM

 2319 22:39:06.300740  # [   73.216183] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 2320 22:39:06.300807  # [   73.248149] CPU: 3 PID: 1882 Comm: cat Tainted: G      D W         5.10.202-cip41 #1

 2321 22:39:06.300857  # [   73.258314] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 2322 22:39:06.300904  # [   73.266926] PC is at 0xc5d0ca80

 2323 22:39:06.343802  # [   73.272328] LR is at execute_location+0xa4/0xb4

 2324 22:39:06.343867  # [   73.279451] pc : [<c5d0ca80>]    lr : [<c13c7348>]    psr: 600e0013

 2325 22:39:06.343919  # [   73.287799] sp : c6a69e30  ip : 00000027  fp : c6a69e4c

 2326 22:39:06.343963  # [   73.294933] r10: 0000000d  r9 : c1ad5648  r8 : c15ebd0c

 2327 22:39:06.344007  # [   73.302152] r7 : c6a69f60  r6 : 00000001  r5 : c5d0ca80  r4 : c0c57fec

 2328 22:39:06.344054  # [   73.310759] r3 : 1970e6c8  r2 : 1970e6c8  r1 : ef7c05e4  r0 : 0000002b

 2329 22:39:06.344104  # [   73.319282] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 2330 22:39:06.387491  # [   73.328498] Control: 10c5387d  Table: 16f2004a  DAC: 00000051

 2331 22:39:06.387925  # [   73.336411] Process cat (pid: 1882, stack limit = 0xa8d4ee55)

 2332 22:39:06.388165  # [   73.344153] Stack: (0xc6a69e30 to 0xc6a6a000)

 2333 22:39:06.388385  # [   73.350509] 9e20:                                     c5d0ca80 c5cd8000 0000000d c6a69f60

 2334 22:39:06.388618  # [   73.361026] 9e40: c6a69e64 c6a69e50 c0c5803c c13c72b0 00000021 c5cd8000 c6a69e74 c6a69e68

 2335 22:39:06.388851  # [   73.371543] 9e60: c0c5727c c0c58010 c6a69e9c c6a69e78 c0c5777c c0c5725c c0c5765c c5b1c000

 2336 22:39:06.430408  # [   73.382060] 9e80: b6dd7000 0000000d c53900c0 c6a69f60 c6a69ec4 c6a69ea0 c07e1728 c0c57668

 2337 22:39:06.430871  # [   73.392492] 9ea0: 00000000 c5b1c000 b6dd7000 c2815800 c6a69f60 c07e16c4 c6a69f5c c6a69ec8

 2338 22:39:06.431116  # [   73.402924] 9ec0: c059ba74 c07e16d0 00000001 00000000 c059c020 c13dc868 c059c020 c6a68000

 2339 22:39:06.431323  # [   73.413355] 9ee0: b6dd7000 00020000 00000004 0000000d 0001fff3 c6a69ee0 00000001 b6dd6000

 2340 22:39:06.431514  # [   73.423786] 9f00: c5956500 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 2341 22:39:06.474090  # [   73.434221] 9f20: 00000000 00000000 c13dc868 1970e6c8 c206c120 c5b1c000 c5b1c000 c6a68000

 2342 22:39:06.474509  # [   73.444739] 9f40: b6dd7000 00000000 00000000 00000004 c6a69f94 c6a69f60 c059c020 c059b974

 2343 22:39:06.474735  # [   73.455256] 9f60: 00000000 00000000 c6a69fac 1970e6c8 0000000d 0000000d b6f1ee00 00000004

 2344 22:39:06.474933  # [   73.465601] 9f80: c03002e4 c6a68000 c6a69fa4 c6a69f98 c059c0b0 c059bfb8 00000000 c6a69fa8

 2345 22:39:06.475121  # [   73.476118] 9fa0: c03000c0 c059c0a4 0000000d 0000000d 00000001 b6dd7000 0000000d 00000000

 2346 22:39:06.518039  # [   73.486552] 9fc0: 0000000d 0000000d b6f1ee00 00000004 00000001 00000000 00020000 beba3ac4

 2347 22:39:06.518484  # [   73.497066] 9fe0: 00000004 beba37f8 b6e88d8f b6e0f7e6 800e0030 00000001 00000000 00000000

 2348 22:39:06.518717  # [   73.507492] Backtrace: 

 2349 22:39:06.518934  # [   73.512037] [<c13c72a4>] (execute_location) from [<c0c5803c>] (lkdtm_EXEC_KMALLOC+0x38/0x44)

 2350 22:39:06.519154  # [   73.523327]  r7:c6a69f60 r6:0000000d r5:c5cd8000 r4:c5d0ca80

 2351 22:39:06.519346  # [   73.531331] [<c0c58004>] (lkdtm_EXEC_KMALLOC) from [<c0c5727c>] (lkdtm_do_action+0x2c/0x4c)

 2352 22:39:06.519529  # [   73.542190]  r5:c5cd8000 r4:00000021

 2353 22:39:06.562122  # [   73.547764] [<c0c57250>] (lkdtm_do_action) from [<c0c5777c>] (direct_entry+0x120/0x18c)

 2354 22:39:06.562582  # [   73.558116] [<c0c5765c>] (direct_entry) from [<c07e1728>] (full_proxy_write+0x64/0x94)

 2355 22:39:06.562858  # [   73.568715]  r9:c6a69f60 r8:c53900c0 r7:0000000d r6:b6dd7000 r5:c5b1c000 r4:c0c5765c

 2356 22:39:06.563083  # [   73.578721] [<c07e16c4>] (full_proxy_write) from [<c059ba74>] (vfs_write+0x10c/0x53c)

 2357 22:39:06.563294  # [   73.589316]  r9:c07e16c4 r8:c6a69f60 r7:c2815800 r6:b6dd7000 r5:c5b1c000 r4:00000000

 2358 22:39:06.606055  # [   73.599316] [<c059b968>] (vfs_write) from [<c059c020>] (ksys_write+0x74/0xec)

 2359 22:39:06.606561  # [   73.608009]  r10:00000004 r9:00000000 r8:00000000 r7:b6dd7000 r6:c6a68000 r5:c5b1c000

 2360 22:39:06.606838  # [   73.616103]  r4:c5b1c000

 2361 22:39:06.607090  # [   73.618908] [<c059bfac>] (ksys_write) from [<c059c0b0>] (sys_write+0x18/0x1c)

 2362 22:39:06.607345  # [   73.626311]  r9:c6a68000 r8:c03002e4 r7:00000004 r6:b6f1ee00 r5:0000000d r4:0000000d

 2363 22:39:06.607562  # [   73.634326] [<c059c098>] (sys_write) from [<c0300<6>[   74.135941] lkdtm: Performing direct entry EXEC_VMALLOC

 2364 22:39:06.650002  0c0>] (ret_fast_syscall+0x0/0x28)<6>[   74.142122] lkdtm: attempting ok execution at c0c57fec

 2365 22:39:06.650458  

 2366 22:39:06.650713  # [   73.642161] Exception stac<6>[   74.150475] lkdtm: attempting bad execution at f09ed000

 2367 22:39:06.650965  k(0xc6a69fa8 to 0xc6a69ff0)

 2368 22:39:06.651186  # [ <1>[   74.158878] 8<--- cut here ---

 2369 22:39:06.651393    73.647498] 9fa0:               <1>[   74.164954] Unable to handle kernel paging request at virtual address f09ed000

 2370 22:39:06.651584      0000000d 0000000d 00000001 b6<1>[   74.175338] pgd = 4514d737

 2371 22:39:06.651770  dd7000 0000000d 00000000

 2372 22:39:06.694108  # [   7<1>[   74.181081] [f09ed000] *pgd=12950811, *pte=4b82265f, *ppte=4b82245f

 2373 22:39:06.694533  3.655969] 9fc0: 0000000d 0000000d<0>[   74.190510] Internal error: Oops: 8000000f [#6] SMP ARM

 2374 22:39:06.694793   b6f1ee00 00000004 00000001 00000<4>[   74.198821] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 2375 22:39:06.695036  000 00020000 beba3<a4c>4[

 2376 22:39:06.695235   

 2377 22:39:06.738139   #  74.230790] CPU: 1 PID: 1960 Comm: cat Tainted: G      D W         5.10.202-cip41 #1

 2378 22:39:06.738596     73.664416<]4 >9[ f e 07:4 .0200957] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 2379 22:39:06.738870  000004 beba37f8 b6<e48>8[d 8 f  74.249571] PC is at 0xf09ed000

 2380 22:39:06.739103  6e0f7e6

 2381 22:39:06.739318  # [   73.669740] C<o4d>e   74.255147] LR is at execute_location+0xa4/0xb4

 2382 22:39:06.739526  : 6f63206e 6<e46>5[6 d 6 d7 40.0262444] pc : [<f09ed000>]    lr : [<c13c7348>]    psr: 600e0013

 2383 22:39:06.782138  03a74 6<e47>5[ 6 f 7724 .(2e710a876] sp : c6f25e30  ip : c6f25d38  fp : c6f25e4c

 2384 22:39:06.782604  c00d) 

 2385 22:39:06.782880  # <[4 > [  7 3 .7647.62178011] r10: 0000000d  r9 : c1ad5658  r8 : c15ebd0c

 2386 22:39:06.783110  3] ---[ end< 4t>r[a c e  7747.3255318] r7 : c6f25f60  r6 : 00000001  r5 : f09ed000  r4 : c0c57fec

 2387 22:39:06.783327  7beb01f1e<24>6[a   ] -7-4-.

 2388 22:39:06.783535  2

 2389 22:39:06.783739  9#3927] r3 : f68bcb83  r2 : f68bcb83  r1 : ef7965e0  r0 : 0000002b

 2390 22:39:06.783942  EXEC_KMALLOC: mis<s4i>n[g    '7c4.302451] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 2391 22:39:06.784146  ll trace:'<:4 >[[F A I L7]4

 2392 22:39:06.784349  .

 2393 22:39:06.784549  3n11927] Control: 10c5387d  Table: 1599804a  DAC: 00000051

 2394 22:39:06.826140  t ok 32 selfte<s0t>s[:   l k7d4t.319758] Process cat (pid: 1960, stack limit = 0x1a940fe2)

 2395 22:39:06.826595  : EXEC_KMAL<L0O>C[ . s h7 4#. 3e27758] Stack: (0xc6f25e30 to 0xc6f26000)

 2396 22:39:06.826872  it=1

 2397 22:39:06.827098  # selftest<s0:> [l k d t7m4.334200] 5e20:                                     f09ed000 c5c97000 0000000d c6f25f60

 2398 22:39:06.827310   EXEC_VMALLOC.sh

 2399 22:39:06.827511  <

 2400 22:39:06.827714  0>[   74.344718] 5e40: c6f25e64 c6f25e50 c0c58070 c13c72b0 00000022 c5c97000 c6f25e74 c6f25e68

 2401 22:39:06.870126  <0>[   74.354715] 5e60: c0c5727c c0c58054 c6f25e9c c6f25e78 c0c5777c c0c5725c c0c5765c c5955b80

 2402 22:39:06.870584  <0>[   74.363163] 5e80: b6e02000 0000000d c53900c0 c6f25f60 c6f25ec4 c6f25ea0 c07e1728 c0c57668

 2403 22:39:06.870861  <0>[   74.371608] 5ea0: 00000000 c5955b80 b6e02000 c2815800 c6f25f60 c07e16c4 c6f25f5c c6f25ec8

 2404 22:39:06.871088  <0>[   74.380057] 5ec0: c059ba74 c07e16d0 00000001 00000000 c059c020 c13dc868 c059c020 c6f24000

 2405 22:39:06.871296  <0>[   74.388503] 5ee0: b6e02000 00020000 00000004 0000000d 0001fff3 c6f25ee0 00000001 b6e01000

 2406 22:39:06.871500  <0>[   74.396949] 5f00: c5a86000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 2407 22:39:06.914140  <0>[   74.405395] 5f20: 00000000 00000000 c13dc868 f68bcb83 c206c120 c5955b80 c5955b80 c6f24000

 2408 22:39:06.914597  <0>[   74.413842] 5f40: b6e02000 00000000 00000000 00000004 c6f25f94 c6f25f60 c059c020 c059b974

 2409 22:39:06.914868  <0>[   74.422289] 5f60: 00000000 00000000 c6f25fac f68bcb83 0000000d 0000000d b6f49e00 00000004

 2410 22:39:06.915095  <0>[   74.430735] 5f80: c03002e4 c6f24000 c6f25fa4 c6f25f98 c059c0b0 c059bfb8 00000000 c6f25fa8

 2411 22:39:06.915308  <0>[   74.439181] 5fa0: c03000c0 c059c0a4 0000000d 0000000d 00000001 b6e02000 0000000d 00000000

 2412 22:39:06.958144  <0>[   74.447627] 5fc0: 0000000d 0000000d b6f49e00 00000004 00000001 00000000 00020000 bea7dac4

 2413 22:39:06.958604  <0>[   74.456072] 5fe0: 00000004 bea7d7f8 b6eb3d8f b6e3a7e6 800e0030 00000001 00000000 00000000

 2414 22:39:06.958882  <0>[   74.464514] Backtrace: 

 2415 22:39:06.959110  <0>[   74.467243] [<c13c72a4>] (execute_location) from [<c0c58070>] (lkdtm_EXEC_VMALLOC+0x28/0x34)

 2416 22:39:06.959322  <0>[   74.475949]  r7:c6f25f60 r6:0000000d r5:c5c97000 r4:f09ed000

 2417 22:39:06.959532  <0>[   74.481879] [<c0c58048>] (lkdtm_EXEC_VMALLOC) from [<c0c5727c>] (lkdtm_do_action+0x2c/0x4c)

 2418 22:39:07.002152  <0>[   74.490495]  r5:c5c97000 r4:00000022

 2419 22:39:07.002613  <0>[   74.494342] [<c0c57250>] (lkdtm_do_action) from [<c0c5777c>] (direct_entry+0x120/0x18c)

 2420 22:39:07.002894  <0>[   74.502623] [<c0c5765c>] (direct_entry) from [<c07e1728>] (full_proxy_write+0x64/0x94)

 2421 22:39:07.003115  <0>[   74.510810]  r9:c6f25f60 r8:c53900c0 r7:0000000d r6:b6e02000 r5:c5955b80 r4:c0c5765c

 2422 22:39:07.003325  <0>[   74.518829] [<c07e16c4>] (full_proxy_write) from [<c059ba74>] (vfs_write+0x10c/0x53c)

 2423 22:39:07.003529  <0>[   74.526927]  r9:c07e16c4 r8:c6f25f60 r7:c2815800 r6:b6e02000 r5:c5955b80 r4:00000000

 2424 22:39:07.046144  <0>[   74.534940] [<c059b968>] (vfs_write) from [<c059c020>] (ksys_write+0x74/0xec)

 2425 22:39:07.046604  <0>[   74.542343]  r10:00000004 r9:00000000 r8:00000000 r7:b6e02000 r6:c6f24000 r5:c5955b80

 2426 22:39:07.046873  <0>[   74.550437]  r4:c5955b80

 2427 22:39:07.047098  <0>[   74.553241] [<c059bfac>] (ksys_write) from [<c059c0b0>] (sys_write+0x18/0x1c)

 2428 22:39:07.047307  <0>[   74.560644]  r9:c6f24000 r8:c03002e4 r7:00000004 r6:b6f49e00 r5:0000000d r4:0000000d

 2429 22:39:07.047512  <0>[   74.568659] [<c059c098>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 2430 22:39:07.089939  <0>[   74.576496] Exception stack(0xc6f25fa8 to 0xc6f25ff0)

 2431 22:39:07.090088  <0>[   74.581814] 5fa0:                   0000000d 0000000d 00000001 b6e02000 0000000d 00000000

 2432 22:39:07.090152  <0>[   74.590259] 5fc0: 0000000d 0000000d b6f49e00 00000004 00000001 00000000 00020000 bea7dac4

 2433 22:39:07.090205  <0>[   74.598701] 5fe0: 00000004 bea7d7f8 b6eb3d8f b6e3a7e6

 2434 22:39:07.090252  <0>[   74.604024] Code: bad PC value

 2435 22:39:07.090297  <4>[   74.607409] ---[ end trace 77357beb01f1e26b ]---

 2436 22:39:07.090342  # Segmentation fault

 2437 22:39:07.222034  # [   74.135941] lkdtm: Performing direct entry EXEC_VMALLOC

 2438 22:39:07.222110  # [   74.142122] lkdtm: attempting ok execution at c0c57fec

 2439 22:39:07.222179  # [   74.150475] lkdtm: attempting bad execution at f09ed000

 2440 22:39:07.222251  # [   74.158878] 8<--- cut here ---

 2441 22:39:07.222331  # [   74.164954] Unable to handle kernel paging request at virtual address f09ed000

 2442 22:39:07.222390  # [   74.175338] pgd = 4514d737

 2443 22:39:07.222439  # [   74.181081] [f09ed000] *pgd=12950811, *pte=4b82265f, *ppte=4b82245f

 2444 22:39:07.222492  # [   74.190510] Internal error: Oops: 8000000f [#6] SMP ARM

 2445 22:39:07.269774  # [   74.198821] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 2446 22:39:07.269872  # [   74.230790] CPU: 1 PID: 1960 Comm: cat Tainted: G      D W         5.10.202-cip41 #1

 2447 22:39:07.269935  # [   74.240957] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 2448 22:39:07.314068  # [   74.249571] PC is at 0xf09ed000

 2449 22:39:07.314484  # [   74.255147] LR is at execute_location+0xa4/0xb4

 2450 22:39:07.314735  # [   74.262444] pc : [<f09ed000>]    lr : [<c13c7348>]    psr: 600e0013

 2451 22:39:07.314953  # [   74.270876] sp : c6f25e30  ip : c6f25d38  fp : c6f25e4c

 2452 22:39:07.315143  # [   74.278011] r10: 0000000d  r9 : c1ad5658  r8 : c15ebd0c

 2453 22:39:07.315328  # [   74.285318] r7 : c6f25f60  r6 : 00000001  r5 : f09ed000  r4 : c0c57fec

 2454 22:39:07.315510  # [   74.293927] r3 : f68bcb83  r2 : f68bcb83  r1 : ef7965e0  r0 : 0000002b

 2455 22:39:07.358012  # [   74.302451] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 2456 22:39:07.358422  # [   74.311927] Control: 10c5387d  Table: 1599804a  DAC: 00000051

 2457 22:39:07.358654  # [   74.319758] Process cat (pid: 1960, stack limit = 0x1a940fe2)

 2458 22:39:07.358851  # [   74.327758] Stack: (0xc6f25e30 to 0xc6f26000)

 2459 22:39:07.359042  # [   74.334200] 5e20:                                     f09ed000 c5c97000 0000000d c6f25f60

 2460 22:39:07.359226  # [   74.344718] 5e40: c6f25e64 c6f25e50 c0c58070 c13c72b0 00000022 c5c97000 c6f25e74 c6f25e68

 2461 22:39:07.359408  # [   74.354715] 5e60: c0c5727c c0c58054 c6f25e9c c6f25e78 c0c5777c c0c5725c c0c5765c c5955b80

 2462 22:39:07.402017  # [   74.363163] 5e80: b6e02000 0000000d c53900c0 c6f25f60 c6f25ec4 c6f25ea0 c07e1728 c0c57668

 2463 22:39:07.402435  # [   74.371608] 5ea0: 00000000 c5955b80 b6e02000 c2815800 c6f25f60 c07e16c4 c6f25f5c c6f25ec8

 2464 22:39:07.402661  # [   74.380057] 5ec0: c059ba74 c07e16d0 00000001 00000000 c059c020 c13dc868 c059c020 c6f24000

 2465 22:39:07.402863  # [   74.388503] 5ee0: b6e02000 00020000 00000004 0000000d 0001fff3 c6f25ee0 00000001 b6e01000

 2466 22:39:07.403052  # [   74.396949] 5f00: c5a86000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 2467 22:39:07.446043  # [   74.405395] 5f20: 00000000 00000000 c13dc868 f68bcb83 c206c120 c5955b80 c5955b80 c6f24000

 2468 22:39:07.446459  # [   74.413842] 5f40: b6e02000 00000000 00000000 00000004 c6f25f94 c6f25f60 c059c020 c059b974

 2469 22:39:07.446683  # [   74.422289] 5f60: 00000000 00000000 c6f25fac f68bcb83 0000000d 0000000d b6f49e00 00000004

 2470 22:39:07.446878  # [   74.430735] 5f80: c03002e4 c6f24000 c6f25fa4 c6f25f98 c059c0b0 c059bfb8 00000000 c6f25fa8

 2471 22:39:07.447065  # [   74.439181] 5fa0: c03000c0 c059c0a4 0000000d 0000000d 00000001 b6e02000 0000000d 00000000

 2472 22:39:07.490019  # [   74.447627] 5fc0: 0000000d 0000000d b6f49e00 00000004 00000001 00000000 00020000 bea7dac4

 2473 22:39:07.490521  # [   74.456072] 5fe0: 00000004 bea7d7f8 b6eb3d8f b6e3a7e6 800e0030 00000001 00000000 00000000

 2474 22:39:07.490850  # [   74.464514] Backtrace: 

 2475 22:39:07.491079  # [   74.467243] [<c13c72a4>] (execute_location) from [<c0c58070>] (lkdtm_EXEC_VMALLOC+0x28/0x34)

 2476 22:39:07.491288  # [   74.475949]  r7:c6f25f60 r6:0000000d r5:c5c97000 r4:f09ed000

 2477 22:39:07.491496  # [   74.481879] [<c0c58048>] (lkdtm_EXEC_VMALLOC) from [<c0c5727c>] (lkdtm_do_action+0x2c/0x4c)

 2478 22:39:07.491698  # [   74.490495]  r5:c5c97000 r4:00000022

 2479 22:39:07.534106  # [   74.494342] [<c0c57250>] (lkdtm_do_action) from [<c0c5777c>] (direct_entry+0x120/0x18c)

 2480 22:39:07.534565  # [   74.502623] [<c0c5765c>] (direct_entry) from [<c07e1728>] (full_proxy_write+0x64/0x94)

 2481 22:39:07.534839  # [   74.510810]  r9:c6f25f60 r8:c53900c0 r7:0000000d r6:b6e0200<6>[   75.045658] lkdtm: Performing direct entry EXEC_RODATA

 2482 22:39:07.535068  0 r5:c5955b80 r4:c0c5765c

 2483 22:39:07.535286  # [   <6>[   75.052400] lkdtm: attempting ok execution at c0c57fec

 2484 22:39:07.578106  74.518829] [<c07e16c4>] (full_pro<6>[   75.060829] lkdtm: attempting bad execution at c15ebfa8

 2485 22:39:07.578574  xy_write) from [<c059ba74>] (vfs_<1>[   75.069189] 8<--- cut here ---

 2486 22:39:07.578854  <1>[   75.075306] Unable to handle kernel paging request at virtual address c15ebfa8

 2487 22:39:07.579086  <1>[   75.082816] pgd = ab45c273

 2488 22:39:07.579295  <1>[   75.085807] [c15ebfa8] *pgd=1141941e(bad)

 2489 22:39:07.579500  <0>[   75.090131] Internal error: Oops: 8000000d [#7] SMP ARM

 2490 22:39:07.622101  <4>[   75.095640] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 2491 22:39:07.622563  <4>[   75.125178] CPU: 0 PID: 2038 Comm: cat Tainted: G      D W         5.10.202-cip41 #1

 2492 22:39:07.622820  <4>[   75.133206] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 2493 22:39:07.623040  <4>[   75.140031] PC is at lkdtm_rodata_do_nothing+0x0/0x10

 2494 22:39:07.623250  <4>[   75.145378] LR is at execute_location+0xa4/0xb4

 2495 22:39:07.666097  <4>[   75.150193] pc : [<c15ebfa8>]    lr : [<c13c7348>]    psr: 600e0013

 2496 22:39:07.666558  <4>[   75.156742] sp : c6829e38  ip : c6829d40  fp : c6829e54

 2497 22:39:07.666832  <4>[   75.162248] r10: 0000000c  r9 : c1ad5668  r8 : c15ebd0c

 2498 22:39:07.667062  <4>[   75.167757] r7 : c6829f60  r6 : 00000000  r5 : c15ebfa8  r4 : c0c57fec

 2499 22:39:07.667268  <4>[   75.174566] r3 : b1e50f9c  r2 : b1e50f9c  r1 : ef7815e0  r0 : 0000002b

 2500 22:39:07.667472  <4>[   75.181380] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 2501 22:39:07.667677  <4>[   75.188800] Control: 10c5387d  Table: 16c6004a  DAC: 00000051

 2502 22:39:07.710099  <0>[   75.194832] Process cat (pid: 2038, stack limit = 0x559a97e2)

 2503 22:39:07.710560  <0>[   75.200862] Stack: (0xc6829e38 to 0xc682a000)

 2504 22:39:07.710834  <0>[   75.205506] 9e20:                                                       00000023 c6e73000

 2505 22:39:07.711065  <0>[   75.213976] 9e40: 0000000c c6829f60 c6829e64 c6829e58 c13c7530 c13c72b0 c6829e74 c6829e68

 2506 22:39:07.711277  <0>[   75.222445] 9e60: c0c5727c c13c7518 c6829e9c c6829e78 c0c5777c c0c5725c c0c5765c c5a348c0

 2507 22:39:07.711483  <0>[   75.230913] 9e80: b6e64000 0000000c c53900c0 c6829f60 c6829ec4 c6829ea0 c07e1728 c0c57668

 2508 22:39:07.754105  <0>[   75.239381] 9ea0: 00000000 c5a348c0 b6e64000 c2815800 c6829f60 c07e16c4 c6829f5c c6829ec8

 2509 22:39:07.754559  <0>[   75.247850] 9ec0: c059ba74 c07e16d0 00000001 00000000 c059c020 c13dc868 c059c020 c6828000

 2510 22:39:07.754835  <0>[   75.256318] 9ee0: b6e64000 00020000 00000004 0000000c 0001fff4 c6829ee0 00000001 b6e63000

 2511 22:39:07.755064  <0>[   75.264784] 9f00: c5a86140 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 2512 22:39:07.755276  <0>[   75.273253] 9f20: 00000000 00000000 c13dc868 b1e50f9c c206c120 c5a348c0 c5a348c0 c6828000

 2513 22:39:07.798106  <0>[   75.281721] 9f40: b6e64000 00000000 00000000 00000004 c6829f94 c6829f60 c059c020 c059b974

 2514 22:39:07.798564  <0>[   75.290189] 9f60: 00000000 00000000 c6829fac b1e50f9c 0000000c 0000000c b6fabe00 00000004

 2515 22:39:07.798839  <0>[   75.298656] 9f80: c03002e4 c6828000 c6829fa4 c6829f98 c059c0b0 c059bfb8 00000000 c6829fa8

 2516 22:39:07.799069  <0>[   75.307124] 9fa0: c03000c0 c059c0a4 0000000c 0000000c 00000001 b6e64000 0000000c 00000000

 2517 22:39:07.799280  <0>[   75.315591] 9fc0: 0000000c 0000000c b6fabe00 00000004 00000001 00000000 00020000 becccac4

 2518 22:39:07.842108  <0>[   75.324058] 9fe0: 00000004 beccc7f8 b6f15d8f b6e9c7e6 800e0030 00000001 00000000 00000000

 2519 22:39:07.842571  <0>[   75.332512] Backtrace: 

 2520 22:39:07.842837  <0>[   75.335275] [<c13c72a4>] (execute_location) from [<c13c7530>] (lkdtm_EXEC_RODATA+0x24/0x28)

 2521 22:39:07.843069  <0>[   75.343918]  r7:c6829f60 r6:0000000c r5:c6e73000 r4:00000023

 2522 22:39:07.843281  <0>[   75.349879] [<c13c750c>] (lkdtm_EXEC_RODATA) from [<c0c5727c>] (lkdtm_do_action+0x2c/0x4c)

 2523 22:39:07.843486  <0>[   75.358440] [<c0c57250>] (lkdtm_do_action) from [<c0c5777c>] (direct_entry+0x120/0x18c)

 2524 22:39:07.886108  <0>[   75.366747] [<c0c5765c>] (direct_entry) from [<c07e1728>] (full_proxy_write+0x64/0x94)

 2525 22:39:07.886564  <0>[   75.374956]  r9:c6829f60 r8:c53900c0 r7:0000000c r6:b6e64000 r5:c5a348c0 r4:c0c5765c

 2526 22:39:07.886835  <0>[   75.383004] [<c07e16c4>] (full_proxy_write) from [<c059ba74>] (vfs_write+0x10c/0x53c)

 2527 22:39:07.887061  <0>[   75.391126]  r9:c07e16c4 r8:c6829f60 r7:c2815800 r6:b6e64000 r5:c5a348c0 r4:00000000

 2528 22:39:07.887271  <0>[   75.399167] [<c059b968>] (vfs_write) from [<c059c020>] (ksys_write+0x74/0xec)

 2529 22:39:07.887477  <0>[   75.406596]  r10:00000004 r9:00000000 r8:00000000 r7:b6e64000 r6:c6828000 r5:c5a348c0

 2530 22:39:07.930097  <0>[   75.414708]  r4:c5a348c0

 2531 22:39:07.930552  <0>[   75.417539] [<c059bfac>] (ksys_write) from [<c059c0b0>] (sys_write+0x18/0x1c)

 2532 22:39:07.930833  <0>[   75.424966]  r9:c6828000 r8:c03002e4 r7:00000004 r6:b6fabe00 r5:0000000c r4:0000000c

 2533 22:39:07.931065  <0>[   75.433007] [<c059c098>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 2534 22:39:07.931273  <0>[   75.440859] Exception stack(0xc6829fa8 to 0xc6829ff0)

 2535 22:39:07.931478  <0>[   75.446201] 9fa0:                   0000000c 0000000c 00000001 b6e64000 0000000c 00000000

 2536 22:39:07.973936  <0>[   75.454669] 9fc0: 0000000c 0000000c b6fabe00 00000004 00000001 00000000 00020000 becccac4

 2537 22:39:07.974082  <0>[   75.463132] 9fe0: 00000004 beccc7f8 b6f15d8f b6e9c7e6

 2538 22:39:07.974138  <0>[   75.468480] Code: 5f727563 6e756f63 00000074 aa55aa55 (e1a0c00d) 

 2539 22:39:07.974186  <4>[   75.474871] ---[ end trace 77357beb01f1e26c ]---

 2540 22:39:07.974250  write+0x10c/0x53c)

 2541 22:39:07.974309  # [   74.526927]  r9:c07e16c4 r8:c6f25f60 r7:c2815800 r6:b6e02000 r5:c5955b80 r4:00000000

 2542 22:39:07.974359  # [   74.534940] [<c059b968>] (vfs_write) from [<c059c020>] (ksys_write+0x74/0xec)

 2543 22:39:08.017891  # [   74.542343]  r10:00000004 r9:00000000 r8:00000000 r7:b6e02000 r6:c6f24000 r5:c5955b80

 2544 22:39:08.017966  # [   74.550437]  r4:c5955b80

 2545 22:39:08.018036  # [   74.553241] [<c059bfac>] (ksys_write) from [<c059c0b0>] (sys_write+0x18/0x1c)

 2546 22:39:08.018115  # [   74.560644]  r9:c6f24000 r8:c03002e4 r7:00000004 r6:b6f49e00 r5:0000000d r4:0000000d

 2547 22:39:08.018173  # [   74.568659] [<c059c098>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 2548 22:39:08.018234  # [   74.576496] Exception stack(0xc6f25fa8 to 0xc6f25ff0)

 2549 22:39:08.018291  # [   74.581814] 5fa0:                   0000000d 0000000d 00000001 b6e02000 0000000d 00000000

 2550 22:39:08.061771  # [   74.590259] 5fc0: 0000000d 0000000d b6f49e00 00000004 00000001 00000000 00020000 bea7dac4

 2551 22:39:08.061847  # [   74.598701] 5fe0: 00000004 bea7d7f8 b6eb3d8f b6e3a7e6

 2552 22:39:08.061916  # [   74.604024] Code: bad PC value

 2553 22:39:08.061994  # [   74.607409] ---[ end trace 77357beb01f1e26b ]---

 2554 22:39:08.062039  # EXEC_VMALLOC: missing 'call trace:': [FAIL]

 2555 22:39:08.062083  not ok 33 selftests: lkdtm: EXEC_VMALLOC.sh # exit=1

 2556 22:39:08.062128  # selftests: lkdtm: EXEC_RODATA.sh

 2557 22:39:08.062171  # Segmentation fault

 2558 22:39:08.062214  # [   75.045658] lkdtm: Performing direct entry EXEC_RODATA

 2559 22:39:08.105765  # [   75.052400] lkdtm: attempting ok execution at c0c57fec

 2560 22:39:08.105840  # [   75.060829] lkdtm: attempting bad execution at c15ebfa8

 2561 22:39:08.105911  # [   75.069189] 8<--- cut here ---

 2562 22:39:08.105989  # [   75.075306] Unable to handle kernel paging request at virtual address c15ebfa8

 2563 22:39:08.106046  # [   75.082816] pgd = ab45c273

 2564 22:39:08.106106  # [   75.085807] [c15ebfa8] *pgd=1141941e(bad)

 2565 22:39:08.106163  # [   75.090131] Internal error: Oops: 8000000d [#7] SMP ARM

 2566 22:39:08.149774  # [   75.095640] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 2567 22:39:08.149852  # [   75.125178] CPU: 0 PID: 2038 Comm: cat Tainted: G      D W         5.10.202-cip41 #1

 2568 22:39:08.149924  # [   75.133206] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 2569 22:39:08.150001  # [   75.140031] PC is at lkdtm_rodata_do_nothing+0x0/0x10

 2570 22:39:08.150059  # [   75.145378] LR is at execute_location+0xa4/0xb4

 2571 22:39:08.194001  # [   75.150193] pc : [<c15ebfa8>]    lr : [<c13c7348>]    psr: 600e0013

 2572 22:39:08.194412  # [   75.156742] sp : c6829e38  ip : c6829d40  fp : c6829e54

 2573 22:39:08.194656  # [   75.162248] r10: 0000000c  r9 : c1ad5668  r8 : c15ebd0c

 2574 22:39:08.194856  # [   75.167757] r7 : c6829f60  r6 : 00000000  r5 : c15ebfa8  r4 : c0c57fec

 2575 22:39:08.195047  # [   75.174566] r3 : b1e50f9c  r2 : b1e50f9c  r1 : ef7815e0  r0 : 0000002b

 2576 22:39:08.195237  # [   75.181380] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 2577 22:39:08.195427  # [   75.188800] Control: 10c5387d  Table: 16c6004a  DAC: 00000051

 2578 22:39:08.238000  # [   75.194832] Process cat (pid: 2038, stack limit = 0x559a97e2)

 2579 22:39:08.238410  # [   75.200862] Stack: (0xc6829e38 to 0xc682a000)

 2580 22:39:08.238639  # [   75.205506] 9e20:                                                       00000023 c6e73000

 2581 22:39:08.238841  # [   75.213976] 9e40: 0000000c c6829f60 c6829e64 c6829e58 c13c7530 c13c72b0 c6829e74 c6829e68

 2582 22:39:08.239032  # [   75.222445] 9e60: c0c5727c c13c7518 c6829e9c c6829e78 c0c5777c c0c5725c c0c5765c c5a348c0

 2583 22:39:08.239220  # [   75.230913] 9e80: b6e64000 0000000c c53900c0 c6829f60 c6829ec4 c6829ea0 c07e1728 c0c57668

 2584 22:39:08.282021  # [   75.239381] 9ea0: 00000000 c5a348c0 b6e64000 c2815800 c6829f60 c07e16c4 c6829f5c c6829ec8

 2585 22:39:08.282441  # [   75.247850] 9ec0: c059ba74 c07e16d0 00000001 00000000 c059c020 c13dc868 c059c020 c6828000

 2586 22:39:08.282711  # [   75.256318] 9ee0: b6e64000 00020000 00000004 0000000c 0001fff4 c6829ee0 00000001 b6e63000

 2587 22:39:08.282923  # [   75.264784] 9f00: c5a86140 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 2588 22:39:08.283114  # [   75.273253] 9f20: 00000000 00000000 c13dc868 b1e50f9c c206c120 c5a348c0 c5a348c0 c6828000

 2589 22:39:08.326046  # [   75.281721] 9f40: b6e64000 00000000 00000000 00000004 c6829f94 c6829f60 c059c020 c059b974

 2590 22:39:08.326493  # [   75.290189] 9f60: 00000000 00000000 c6829fac b1e50f9c 0000000c 0000000c b6fabe00 00000004

 2591 22:39:08.326751  # [   75.298656] 9f80: c03002e4 c6828000 c6829fa4 c6829f98 c059c0b0 c059bfb8 00000000 c6829fa8

 2592 22:39:08.326970  # [   75.307124] 9fa0: c03000c0 c059c0a4 0000000c 0000000c 00000001 b6e64000 0000000c 00000000

 2593 22:39:08.327185  # [   75.315591] 9fc0: 0000000c 0000000c b6fabe00 00000004 00000001 00000000 00020000 becccac4

 2594 22:39:08.370057  # [   75.324058] 9fe0: 00000004 beccc7f8 b6f15d8f b6e9c7e6 800e0030 00000001 00000000 00000000

 2595 22:39:08.370508  # [   75.332512] Backtrace: 

 2596 22:39:08.370777  # [   75.335275] [<c13c72a4>] (execute_location) from [<c13c7530>] (lkdtm_EXEC_RODATA+0x24/0x28)

 2597 22:39:08.371008  # [   75.343918]  r7:c6829f60 r6:0000000c r5:c6e73000 r4:00000023

 2598 22:39:08.371216  # [   75.349879] [<c13c750c>] (lkdtm_EXEC_RODATA) from [<c0c5727c>] (lkdtm_do_action+0x2c/0x4c)

 2599 22:39:08.371421  # [   75.358440] [<c0c57250>] (lkdtm_do_action) from [<c0c5777c>] (direct_entry+0x120/0x18c)

 2600 22:39:08.414104  # [   75.366747] [<c0c5765c>] (direct_entry) from [<c07e1728>] (full_proxy_write+0x64/0x94)

 2601 22:39:08.414560  # [   75.374956]  r9:c6829f60 r8:c53900c0 r7:0000000c r6:b6e64000 r5:c5a348c0 r4:c0c5765c

 2602 22:39:08.414837  # [   75.383004] [<c07e16c4>] (full_proxy_write) from [<c059ba74>] (vfs_write+0x10c/0x53c)

 2603 22:39:08.415065  # [   75.391126]  r9:c07e16c4 r8:c6829f60 r7:c2815800 r6:b6e64000 r5:c5a348c0 r4:00000000

 2604 22:39:08.415273  # [   75.399167] [<c059b968>] (vfs_write) from [<c059c020>] (ksys_write+0x74/0xec)

 2605 22:39:08.415478  # [   75.406596]  r10:00000004 r9:00000000 r8:00000000 r7:b6e64000 r6:c6828000 r5:c5a348c0

 2606 22:39:08.458102  # [   75.414708]  r4:c5a348c0

 2607 22:39:08.458556  # [   75.417539] [<c059bfac>] (ksys_write) from [<c059c0b0>] (sys_write+0x18/0x1c)

 2608 22:39:08.458827  # [   75.424966]  r9:c6828000 r8:c03002e4 r7:00000004 r6:b6fabe00 r5:0000000c r4:0000000c

 2609 22:39:08.459061  # [   75.433007<]6>[   75.948129] lkdtm: Performing direct entry EXEC_USERSPACE

 2610 22:39:08.459269  [<c059c098>] (sys_write) from [<c<6>[   75.956702] lkdtm: attempting ok execution at c0c57fec

 2611 22:39:08.459474  03000c0>] (ret_fast_syscall+0x0/0<6>[   75.964954] lkdtm: attempting bad execution at b6fdd000

 2612 22:39:08.459685  x28)

 2613 22:39:08.502114  # [   75.440<815>9[]    E7x.973087] Unhandled prefetch abort: page domain fault (0x00b) at 0xb6fdd000

 2614 22:39:08.502573  ception stack(0xc6829fa8 to 0xc<6>[   75.982578] Internal error: : b [#8] SMP ARM

 2615 22:39:08.502852  829ff0)

 2616 22:39:08.546099  # [   75.446201] 9fa0:  <4>[   75.989796] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 2617 22:39:08.546571                   0000000c 0000000<4>[   76.021767] CPU: 3 PID: 2115 Comm: cat Tainted: G      D W         5.10.202-cip41 #1

 2618 22:39:08.546853  c 00000001 b6e64000 0000000c <040[   76.032623] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 2619 22:39:08.547082  000000

 2620 22:39:08.547298  # [   75.454669] 9fc0: 004>[   76.042018] PC is at 0xb6fdd000

 2621 22:39:08.547508  00000c 0000000c b6fabe00 00000004<4>[   76.048205] LR is at lkdtm_EXEC_USERSPACE+0xc4/0xd4

 2622 22:39:08.590087   00000001 00000000 00020000 <b4e>[   76.056196] pc : [<b6fdd000>]    lr : [<c0c58140>]    psr: 600e0013

 2623 22:39:08.590535  ccac4

 2624 22:39:08.590803  # [   75.463132] 9f<e4>0[:  76.065324] sp : c2fb3e48  ip : 00000027  fp : c2fb3e64

 2625 22:39:08.591037   00000004 beccc7f8 b6f15<d48>f[    76.073236] r10: 0000000f  r9 : c1ad5674  r8 : c15ebd0c

 2626 22:39:08.591251  6e9c7e6

 2627 22:39:08.591460  # [   75.468480<]4 >C[o   76.081150] r7 : c2fb3f60  r6 : 0000000f  r5 : c6aa8000  r4 : b6fdd000

 2628 22:39:08.591669  e: 5f727563 6e756f63 000000<744>    76.090370] r3 : 64a1775b  r2 : 64a1775b  r1 : ef7c05e4  r0 : 0000002b

 2629 22:39:08.591872  aa55aa55 (e1a0c00d) 

 2630 22:39:08.634112  # [   75.<4>[   76.099678] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 2631 22:39:08.634569  74871] ---[ end trace 77357be<b40[   76.109763] Control: 10c5387d  Table: 169c004a  DAC: 00000051

 2632 22:39:08.634855  1f1e26c ]---

 2633 22:39:08.635092  # EXEC_RODATA: mis<0>[   76.118373] Process cat (pid: 2115, stack limit = 0x8e5395cb)

 2634 22:39:08.635303  ing 'call trace:': [FAIL]

 2635 22:39:08.635510  <n0o>t   76.127153] Stack: (0xc2fb3e48 to 0xc2fb4000)

 2636 22:39:08.635713   ok 34 selftests: lkdtm: EXEC_ROD<0>[   76.134297] 3e40:                   00000001 00000000 0000000f 00000024 c2fb3e74 c2fb3e68

 2637 22:39:08.635925  ATA.sh # exit=1

 2638 22:39:08.678105  # selftests: lkd<0>[   76.145597] 3e60: c0c5727c c0c58088 c2fb3e9c c2fb3e78 c0c5777c c0c5725c c0c5765c c5a872c0

 2639 22:39:08.678561  tm: EXEC_USERSPACE.sh

 2640 22:39:08.678836  <0>[   76.156896] 3e80: b6e97000 0000000f c53900c0 c2fb3f60 c2fb3ec4 c2fb3ea0 c07e1728 c0c57668

 2641 22:39:08.679068  <0>[   76.167328] 3ea0: 00000000 c5a872c0 b6e97000 c2815800 c2fb3f60 c07e16c4 c2fb3f5c c2fb3ec8

 2642 22:39:08.679278  <0>[   76.175797] 3ec0: c059ba74 c07e16d0 00000001 00000000 c059c020 c13dc868 c059c020 c2fb2000

 2643 22:39:08.722098  <0>[   76.184265] 3ee0: b6e97000 00020000 00000004 0000000f 0001fff1 c2fb3ee0 00000001 b6e96000

 2644 22:39:08.722553  <0>[   76.192732] 3f00: c2fb0c80 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 2645 22:39:08.722823  <0>[   76.201200] 3f20: 00000000 00000000 c13dc868 64a1775b c206c120 c5a872c0 c5a872c0 c2fb2000

 2646 22:39:08.723055  <0>[   76.209667] 3f40: b6e97000 00000000 00000000 00000004 c2fb3f94 c2fb3f60 c059c020 c059b974

 2647 22:39:08.723267  <0>[   76.218134] 3f60: 00000000 00000000 c2fb3fac 64a1775b 0000000f 0000000f b6fdee00 00000004

 2648 22:39:08.766101  <0>[   76.226601] 3f80: c03002e4 c2fb2000 c2fb3fa4 c2fb3f98 c059c0b0 c059bfb8 00000000 c2fb3fa8

 2649 22:39:08.766557  <0>[   76.235069] 3fa0: c03000c0 c059c0a4 0000000f 0000000f 00000001 b6e97000 0000000f 00000000

 2650 22:39:08.766828  <0>[   76.243537] 3fc0: 0000000f 0000000f b6fdee00 00000004 00000001 00000000 00020000 be9a0ac4

 2651 22:39:08.767054  <0>[   76.252005] 3fe0: 00000004 be9a07f8 b6f48d8f b6ecf7e6 800e0030 00000001 00000000 00000000

 2652 22:39:08.767263  <0>[   76.260459] Backtrace: 

 2653 22:39:08.767468  <0>[   76.263219] [<c0c5807c>] (lkdtm_EXEC_USERSPACE) from [<c0c5727c>] (lkdtm_do_action+0x2c/0x4c)

 2654 22:39:08.767674  <0>[   76.272028]  r4:00000024

 2655 22:39:08.810110  <0>[   76.274857] [<c0c57250>] (lkdtm_do_action) from [<c0c5777c>] (direct_entry+0x120/0x18c)

 2656 22:39:08.810563  <0>[   76.283166] [<c0c5765c>] (direct_entry) from [<c07e1728>] (full_proxy_write+0x64/0x94)

 2657 22:39:08.810847  <0>[   76.291377]  r9:c2fb3f60 r8:c53900c0 r7:0000000f r6:b6e97000 r5:c5a872c0 r4:c0c5765c

 2658 22:39:08.811076  <0>[   76.299426] [<c07e16c4>] (full_proxy_write) from [<c059ba74>] (vfs_write+0x10c/0x53c)

 2659 22:39:08.811286  <0>[   76.307550]  r9:c07e16c4 r8:c2fb3f60 r7:c2815800 r6:b6e97000 r5:c5a872c0 r4:00000000

 2660 22:39:08.854044  <0>[   76.315589] [<c059b968>] (vfs_write) from [<c059c020>] (ksys_write+0x74/0xec)

 2661 22:39:08.854492  <0>[   76.323017]  r10:00000004 r9:00000000 r8:00000000 r7:b6e97000 r6:c2fb2000 r5:c5a872c0

 2662 22:39:08.854746  <0>[   76.331126]  r4:c5a872c0

 2663 22:39:08.854964  <0>[   76.333954] [<c059bfac>] (ksys_write) from [<c059c0b0>] (sys_write+0x18/0x1c)

 2664 22:39:08.855175  <0>[   76.341382]  r9:c2fb2000 r8:c03002e4 r7:00000004 r6:b6fdee00 r5:0000000f r4:0000000f

 2665 22:39:08.855380  <0>[   76.349421] [<c059c098>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 2666 22:39:08.855585  <0>[   76.357271] Exception stack(0xc2fb3fa8 to 0xc2fb3ff0)

 2667 22:39:08.897771  <0>[   76.362610] 3fa0:                   0000000f 0000000f 00000001 b6e97000 0000000f 00000000

 2668 22:39:08.897846  <0>[   76.371078] 3fc0: 0000000f 0000000f b6fdee00 00000004 00000001 00000000 00020000 be9a0ac4

 2669 22:39:08.897916  <0>[   76.379541] 3fe0: 00000004 be9a07f8 b6f48d8f b6ecf7e6

 2670 22:39:08.897978  <0>[   76.384886] Code: bad PC value

 2671 22:39:08.898040  <4>[   76.388236] ---[ end trace 77357beb01f1e26d ]---

 2672 22:39:08.898098  # Segmentation fault

 2673 22:39:09.007138  # [   75.948129] lkdtm: Performing direct entry EXEC_USERSPACE

 2674 22:39:09.007580  # [   75.956702] lkdtm: attempting ok execution at c0c57fec

 2675 22:39:09.007870  # [   75.964954] lkdtm: attempting bad execution at b6fdd000

 2676 22:39:09.008072  # [   75.973087] Unhandled prefetch abort: page domain fault (0x00b) at 0xb6fdd000

 2677 22:39:09.008265  # [   75.982578] Internal error: : b [#8] SMP ARM

 2678 22:39:09.054105  # [   75.989796] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 2679 22:39:09.054532  # [   76.021767] CPU: 3 PID: 2115 Comm: cat Tainted: G      D W         5.10.202-cip41 #1

 2680 22:39:09.054792  # [   76.032623] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 2681 22:39:09.055006  # [   76.042018] PC is at 0xb6fdd000

 2682 22:39:09.055222  # [   76.048205] LR is at lkdtm_EXEC_USERSPACE+0xc4/0xd4

 2683 22:39:09.098066  # [   76.056196] pc : [<b6fdd000>]    lr : [<c0c58140>]    psr: 600e0013

 2684 22:39:09.098525  # [   76.065324] sp : c2fb3e48  ip : 00000027  fp : c2fb3e64

 2685 22:39:09.098798  # [   76.073236] r10: 0000000f  r9 : c1ad5674  r8 : c15ebd0c

 2686 22:39:09.099019  # [   76.081150] r7 : c2fb3f60  r6 : 0000000f  r5 : c6aa8000  r4 : b6fdd000

 2687 22:39:09.099227  # [   76.090370] r3 : 64a1775b  r2 : 64a1775b  r1 : ef7c05e4  r0 : 0000002b

 2688 22:39:09.099433  # [   76.099678] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 2689 22:39:09.099635  # [   76.109763] Control: 10c5387d  Table: 169c004a  DAC: 00000051

 2690 22:39:09.142027  # [   76.118373] Process cat (pid: 2115, stack limit = 0x8e5395cb)

 2691 22:39:09.142438  # [   76.127153] Stack: (0xc2fb3e48 to 0xc2fb4000)

 2692 22:39:09.142665  # [   76.134297] 3e40:                   00000001 00000000 0000000f 00000024 c2fb3e74 c2fb3e68

 2693 22:39:09.142865  # [   76.145597] 3e60: c0c5727c c0c58088 c2fb3e9c c2fb3e78 c0c5777c c0c5725c c0c5765c c5a872c0

 2694 22:39:09.143053  # [   76.156896] 3e80: b6e97000 0000000f c53900c0 c2fb3f60 c2fb3ec4 c2fb3ea0 c07e1728 c0c57668

 2695 22:39:09.143235  # [   76.167328] 3ea0: 00000000 c5a872c0 b6e97000 c2815800 c2fb3f60 c07e16c4 c2fb3f5c c2fb3ec8

 2696 22:39:09.186109  # [   76.175797] 3ec0: c059ba74 c07e16d0 00000001 00000000 c059c020 c13dc868 c059c020 c2fb2000

 2697 22:39:09.186570  # [   76.184265] 3ee0: b6e97000 00020000 00000004 0000000f 0001fff1 c2fb3ee0 00000001 b6e96000

 2698 22:39:09.186869  # [   76.192732] 3f00: c2fb0c80 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 2699 22:39:09.187102  # [   76.201200] 3f20: 00000000 00000000 c13dc868 64a1775b c206c120 c5a872c0 c5a872c0 c2fb2000

 2700 22:39:09.187310  # [   76.209667] 3f40: b6e97000 00000000 00000000 00000004 c2fb3f94 c2fb3f60 c059c020 c059b974

 2701 22:39:09.230044  # [   76.218134] 3f60: 00000000 00000000 c2fb3fac 64a1775b 0000000f 0000000f b6fdee00 00000004

 2702 22:39:09.230494  # [   76.226601] 3f80: c03002e4 c2fb2000 c2fb3fa4 c2fb3f98 c059c0b0 c059bfb8 00000000 c2fb3fa8

 2703 22:39:09.230744  # [   76.235069] 3fa0: c03000c0 c059c0a4 0000000f 0000000f 00000001 b6e97000 0000000f 00000000

 2704 22:39:09.230961  # [   76.243537] 3fc0: 0000000f 0000000f b6fdee00 00000004 00000001 00000000 00020000 be9a0ac4

 2705 22:39:09.231170  # [   76.252005] 3fe0: 00000004 be9a07f8 b6f48d8f b6ecf7e6 800e0030 00000001 00000000 00000000

 2706 22:39:09.231374  # [   76.260459] Backtrace: 

 2707 22:39:09.274107  # [   76.263219] [<c0c5807c>] (lkdtm_EXEC_USERSPACE) from [<c0c5727c>] (lkdtm_do_action+0x2c/0x4c)

 2708 22:39:09.274560  # [   76.272028]  r4:00000024

 2709 22:39:09.274826  # [   76.274857] [<c0c57250>] (lkdtm_do_action) from [<c0c5777c>] (direct_entry+0x120/0x18c)

 2710 22:39:09.275056  # [   76.283166] [<c0c5765c>] (direct_entry) from [<c07e1728>] (full_proxy_write+0x64/0x94)

 2711 22:39:09.275266  # [   76.291377]  r9:c2fb3f60 r8:c53900c0 r7:0000000f r6:b6e97000 r5:c5a872c0 r4:c0c5765c

 2712 22:39:09.275472  # [   76.299426] [<c07e16c4>] (full_proxy_write) from [<c059ba74>] (vfs_write+0x10c/0x53c)

 2713 22:39:09.318107  # [   76.307550]  r9:c07e16c4 r8:c2fb3f60 r7:c2815800 r6:b6e97000 r5:c5a872c0 r4:00000000

 2714 22:39:09.318564  # [   76.315589] [<c059b968>] (vfs_write) from [<c059c020>] (ksys_write+0x74/0xec)

 2715 22:39:09.318837  # [   76.323017]  r10:00000004 r9:00000000 r8:00000000 r7:b6e97000 r6:c2fb2000 r5:c5a872c0

 2716 22:39:09.319065  # [   76.331126]  r4:c5a872c0

 2717 22:39:09.319277  # [   76.333954] [<c059bfac>] (ksys_write) from [<c059c0b0>] (sys_write+0x18/0x1c)

 2718 22:39:09.319485  # [   76.341382]  r9:c2fb2000 r8:c03002e4 r7:00000004 r6:b6fdee00 r5:0000000f r4:0000000f

 2719 22:39:09.319691  # [   <6>[   76.844370] lkdtm: Performing direct entry EXEC_NULL

 2720 22:39:09.361980  76.349421] [<c059c09<86>>][  ( s 76.852041] lkdtm: attempting ok execution at c0c57fec

 2721 22:39:09.362328  s_write) from [<c03000c0>] (ret_f<6>[   76.859772] lkdtm: attempting bad execution at 00000000

 2722 22:39:09.362400  ast_syscall+0x0/0x28)

 2723 22:39:09.362448  # [   76.3<1>[   76.868113] 8<--- cut here ---

 2724 22:39:09.362495  57271] Exception stack(0xc2fb3fa8<1>[   76.874259] Unable to handle kernel NULL pointer dereference at virtual address 00000000

 2725 22:39:09.362572   to 0xc2fb3ff0)

 2726 22:39:09.362616  # [   76.362610]<1>[   76.885502] pgd = afd88103

 2727 22:39:09.406100   3fa0:         < 1 > [       7 6 891273] [00000000] *pgd=00000000

 2728 22:39:09.406551   0000000f 0000000f 00000001 b6e97<0>[   76.897170] Internal error: Oops: 80000005 [#9] SMP ARM

 2729 22:39:09.406830  000 0000000f 00000000

 2730 22:39:09.407073  # [   76.3<4>[   76.905471] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 2731 22:39:09.450097  71078] 3fc0: 000000<04f> [0 0 0 06.937434] CPU: 3 PID: 2187 Comm: cat Tainted: G      D W         5.10.202-cip41 #1

 2732 22:39:09.450565  000f b6fde<e40>[0   0 07060.09040599] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 2733 22:39:09.450847  4 00000001 00000<040>0[  0 0 0762956127] PC is at 0x0

 2734 22:39:09.451080  0000 be9a0ac4

 2735 22:39:09.451291  # [   76.3795<441>[   76.960923] LR is at execute_location+0xa4/0xb4

 2736 22:39:09.451499   3fe0: 0000<040>0[4   b e796a.0978307] pc : [<00000000>]    lr : [<c13c7348>]    psr: 600e0013

 2737 22:39:09.494099  f8 b6f48d<84>f[  b 6 e7c6f.79e766654] sp : c6b63e38  ip : c6b63d40  fp : c6b63e54

 2738 22:39:09.494555  

 2739 22:39:09.494829  # [   76.<348>4[8 8 6 ]7 6C.o9d83874] r10: 0000000a  r9 : c1ad5684  r8 : c15ebd0c

 2740 22:39:09.495060  : bad PC val<u4e>

 2741 22:39:09.495269  [

 2742 22:39:09.495475   #   [7 6 . 991181] r7 : c6b63f60  r6 : 00000000  r5 : 00000000  r4 : c0c57fec

 2743 22:39:09.495683  6.388236] <-4->-[[   e n7d6 .t9r99876] r3 : 536cfc74  r2 : 536cfc74  r1 : ef7c05e0  r0 : 0000002b

 2744 22:39:09.495897  ce 77357beb01<f41>e[2 6  d7 7].-008484] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 2745 22:39:09.496102  -

 2746 22:39:09.538090  # EXEC_U<S4E>R[S P A C7E7:. 0m7787] Control: 10c5387d  Table: 146b804a  DAC: 00000051

 2747 22:39:09.538547  issing 'call tr<a0c>e[: ' :  7[7F025616] Process cat (pid: 2187, stack limit = 0x6ec37340)

 2748 22:39:09.538819  AIL]

 2749 22:39:09.539047  not ok< 0>3[5   s e7l7f.t0e3615] Stack: (0xc6b63e38 to 0xc6b64000)

 2750 22:39:09.539266  sts: lkdtm: E<X0E>C[_ U S E7R7S.P40052] 3e20:                                                       00000025 c6aa8000

 2751 22:39:09.539476  ACE.sh # exit=<10

 2752 22:39:09.539675  >

 2753 22:39:09.539872  [#   s e7l7f.050399] 3e40: 0000000a c6b63f60 c6b63e64 c6b63e58 c13c7554 c13c72b0 c6b63e74 c6b63e68

 2754 22:39:09.582111  ests: lkdtm: <E0X>E[C _ N U7L7L..60831] 3e60: c0c5727c c13c7540 c6b63e9c c6b63e78 c0c5777c c0c5725c c0c5765c c5b1d180

 2755 22:39:09.582566  sh

 2756 22:39:09.582832  <0>[   77.071178] 3e80: b6dc1000 0000000a c53900c0 c6b63f60 c6b63ec4 c6b63ea0 c07e1728 c0c57668

 2757 22:39:09.583064  <0>[   77.079958] 3ea0: 00000000 c5b1d180 b6dc1000 c2815800 c6b63f60 c07e16c4 c6b63f5c c6b63ec8

 2758 22:39:09.583273  <0>[   77.088406] 3ec0: c059ba74 c07e16d0 00000001 00000000 c059c020 c13dc868 c059c020 c6b62000

 2759 22:39:09.583479  <0>[   77.096850] 3ee0: b6dc1000 00020000 00000004 0000000a 0001fff6 c6b63ee0 00000001 b6dc0000

 2760 22:39:09.626087  <0>[   77.105294] 3f00: c5a868c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 2761 22:39:09.626544  <0>[   77.113740] 3f20: 00000000 00000000 c13dc868 536cfc74 c206c120 c5b1d180 c5b1d180 c6b62000

 2762 22:39:09.626821  <0>[   77.122185] 3f40: b6dc1000 00000000 00000000 00000004 c6b63f94 c6b63f60 c059c020 c059b974

 2763 22:39:09.627051  <0>[   77.130631] 3f60: 00000000 00000000 c6b63fac 536cfc74 0000000a 0000000a b6f08e00 00000004

 2764 22:39:09.627260  <0>[   77.139077] 3f80: c03002e4 c6b62000 c6b63fa4 c6b63f98 c059c0b0 c059bfb8 00000000 c6b63fa8

 2765 22:39:09.670112  <0>[   77.147521] 3fa0: c03000c0 c059c0a4 0000000a 0000000a 00000001 b6dc1000 0000000a 00000000

 2766 22:39:09.670567  <0>[   77.155969] 3fc0: 0000000a 0000000a b6f08e00 00000004 00000001 00000000 00020000 bef5fac4

 2767 22:39:09.670842  <0>[   77.164416] 3fe0: 00000004 bef5f7f8 b6e72d8f b6df97e6 800e0030 00000001 00000000 00000000

 2768 22:39:09.671067  <0>[   77.172855] Backtrace: 

 2769 22:39:09.671273  <0>[   77.175583] [<c13c72a4>] (execute_location) from [<c13c7554>] (lkdtm_EXEC_NULL+0x20/0x24)

 2770 22:39:09.671481  <0>[   77.184030]  r7:c6b63f60 r6:0000000a r5:c6aa8000 r4:00000025

 2771 22:39:09.714126  <0>[   77.189964] [<c13c7534>] (lkdtm_EXEC_NULL) from [<c0c5727c>] (lkdtm_do_action+0x2c/0x4c)

 2772 22:39:09.714589  <0>[   77.198327] [<c0c57250>] (lkdtm_do_action) from [<c0c5777c>] (direct_entry+0x120/0x18c)

 2773 22:39:09.714868  <0>[   77.206610] [<c0c5765c>] (direct_entry) from [<c07e1728>] (full_proxy_write+0x64/0x94)

 2774 22:39:09.715097  <0>[   77.214797]  r9:c6b63f60 r8:c53900c0 r7:0000000a r6:b6dc1000 r5:c5b1d180 r4:c0c5765c

 2775 22:39:09.715307  <0>[   77.222816] [<c07e16c4>] (full_proxy_write) from [<c059ba74>] (vfs_write+0x10c/0x53c)

 2776 22:39:09.715510  <0>[   77.230915]  r9:c07e16c4 r8:c6b63f60 r7:c2815800 r6:b6dc1000 r5:c5b1d180 r4:00000000

 2777 22:39:09.758140  <0>[   77.238926] [<c059b968>] (vfs_write) from [<c059c020>] (ksys_write+0x74/0xec)

 2778 22:39:09.758596  <0>[   77.246331]  r10:00000004 r9:00000000 r8:00000000 r7:b6dc1000 r6:c6b62000 r5:c5b1d180

 2779 22:39:09.758872  <0>[   77.254427]  r4:c5b1d180

 2780 22:39:09.759096  <0>[   77.257234] [<c059bfac>] (ksys_write) from [<c059c0b0>] (sys_write+0x18/0x1c)

 2781 22:39:09.759306  <0>[   77.264637]  r9:c6b62000 r8:c03002e4 r7:00000004 r6:b6f08e00 r5:0000000a r4:0000000a

 2782 22:39:09.759511  <0>[   77.272652] [<c059c098>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 2783 22:39:09.801872  <0>[   77.280488] Exception stack(0xc6b63fa8 to 0xc6b63ff0)

 2784 22:39:09.802030  <0>[   77.285807] 3fa0:                   0000000a 0000000a 00000001 b6dc1000 0000000a 00000000

 2785 22:39:09.802107  <0>[   77.294252] 3fc0: 0000000a 0000000a b6f08e00 00000004 00000001 00000000 00020000 bef5fac4

 2786 22:39:09.802175  <0>[   77.302695] 3fe0: 00000004 bef5f7f8 b6e72d8f b6df97e6

 2787 22:39:09.802245  <0>[   77.308018] Code: bad PC value

 2788 22:39:09.802309  <4>[   77.311435] ---[ end trace 77357beb01f1e26e ]---

 2789 22:39:09.802373  # Segmentation fault

 2790 22:39:09.961783  # [   76.844370] lkdtm: Performing direct entry EXEC_NULL

 2791 22:39:09.962207  # [   76.852041] lkdtm: attempting ok execution at c0c57fec

 2792 22:39:09.962479  # [   76.859772] lkdtm: attempting bad execution at 00000000

 2793 22:39:09.962686  # [   76.868113] 8<--- cut here ---

 2794 22:39:09.962887  # [   76.874259] Unable to handle kernel NULL pointer dereference at virtual address 00000000

 2795 22:39:09.963091  # [   76.885502] pgd = afd88103

 2796 22:39:09.963281  # [   76.891273] [00000000] *pgd=00000000

 2797 22:39:09.963466  # [   76.897170] Internal error: Oops: 80000005 [#9] SMP ARM

 2798 22:39:10.004890  # [   76.905471] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 2799 22:39:10.005349  # [   76.937434] CPU: 3 PID: 2187 Comm: cat Tainted: G      D W         5.10.202-cip41 #1

 2800 22:39:10.005629  # [   76.947599] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 2801 22:39:10.005883  # [   76.956127] PC is at 0x0

 2802 22:39:10.048030  # [   76.960923] LR is at execute_location+0xa4/0xb4

 2803 22:39:10.048486  # [   76.968307] pc : [<00000000>]    lr : [<c13c7348>]    psr: 600e0013

 2804 22:39:10.048751  # [   76.976654] sp : c6b63e38  ip : c6b63d40  fp : c6b63e54

 2805 22:39:10.048966  # [   76.983874] r10: 0000000a  r9 : c1ad5684  r8 : c15ebd0c

 2806 22:39:10.049172  # [   76.991181] r7 : c6b63f60  r6 : 00000000  r5 : 00000000  r4 : c0c57fec

 2807 22:39:10.049429  # [   76.999876] r3 : 536cfc74  r2 : 536cfc74  r1 : ef7c05e0  r0 : 0000002b

 2808 22:39:10.049702  # [   77.008484] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 2809 22:39:10.090919  # [   77.017787] Control: 10c5387d  Table: 146b804a  DAC: 00000051

 2810 22:39:10.091429  # [   77.025616] Process cat (pid: 2187, stack limit = 0x6ec37340)

 2811 22:39:10.091692  # [   77.033615] Stack: (0xc6b63e38 to 0xc6b64000)

 2812 22:39:10.091912  # [   77.040052] 3e20:                                                       00000025 c6aa8000

 2813 22:39:10.092121  # [   77.050399] 3e40: 0000000a c6b63f60 c6b63e64 c6b63e58 c13c7554 c13c72b0 c6b63e74 c6b63e68

 2814 22:39:10.092327  # [   77.060831] 3e60: c0c5727c c13c7540 c6b63e9c c6b63e78 c0c5777c c0c5725c c0c5765c c5b1d180

 2815 22:39:10.138110  # [   77.071178] 3e80: b6dc1000 0000000a c53900c0 c6b63f60 c6b63ec4 c6b63ea0 c07e1728 c0c57668

 2816 22:39:10.138576  # [   77.079958] 3ea0: 00000000 c5b1d180 b6dc1000 c2815800 c6b63f60 c07e16c4 c6b63f5c c6b63ec8

 2817 22:39:10.138826  # [   77.088406] 3ec0: c059ba74 c07e16d0 00000001 00000000 c059c020 c13dc868 c059c020 c6b62000

 2818 22:39:10.139080  # [   77.096850] 3ee0: b6dc1000 00020000 00000004 0000000a 0001fff6 c6b63ee0 00000001 b6dc0000

 2819 22:39:10.139303  # [   77.105294] 3f00: c5a868c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 2820 22:39:10.182035  # [   77.113740] 3f20: 00000000 00000000 c13dc868 536cfc74 c206c120 c5b1d180 c5b1d180 c6b62000

 2821 22:39:10.182480  # [   77.122185] 3f40: b6dc1000 00000000 00000000 00000004 c6b63f94 c6b63f60 c059c020 c059b974

 2822 22:39:10.182727  # [   77.130631] 3f60: 00000000 00000000 c6b63fac 536cfc74 0000000a 0000000a b6f08e00 00000004

 2823 22:39:10.182950  # [   77.139077] 3f80: c03002e4 c6b62000 c6b63fa4 c6b63f98 c059c0b0 c059bfb8 00000000 c6b63fa8

 2824 22:39:10.183144  # [   77.147521] 3fa0: c03000c0 c059c0a4 0000000a 0000000a 00000001 b6dc1000 0000000a 00000000

 2825 22:39:10.226146  # [   77.155969] 3fc0: 0000000a 0000000a b6f08e00 00000004 00000001 00000000 00020000 bef5fac4

 2826 22:39:10.226604  # [   77.164416] 3fe0: 00000004 bef5f7f8 b6e72d8f b6df97e6 800e0030 00000001 00000000 00000000

 2827 22:39:10.226877  # [   77.172855] Backtrace: 

 2828 22:39:10.227101  # [   77.175583] [<c13c72a4>] (execute_location) from [<c13c7554>] (lkdtm_EXEC_NULL+0x20/0x24)

 2829 22:39:10.227310  # [   77.184030]  r7:c6b63f60 r6:0000000a r5:c6aa8000 r4:00000025

 2830 22:39:10.227516  # [   77.189964] [<c13c7534>] (lkdtm_EXEC_NULL) from [<c0c5727c>] (lkdtm_do_action+0x2c/0x4c)

 2831 22:39:10.227723  # [   77.198327] [<c0c57250>] (lkdtm_do_action) from [<c0c5777c>] (direct_entry+0x120/0x18c)

 2832 22:39:10.270088  # [   77.206610] [<c0c5765c>] (direct_entry) from [<c07e1728>] (full_proxy_write+0x64/0x94)

 2833 22:39:10.270571  # [   77.214797]  r9:c6b63f60 r8:c53900c0 r7:0000000a r6:b6dc1000 r5:c5b1d180 r4:c0c5765c

 2834 22:39:10.270866  # [   77.222816] [<c07e16c4>] (full_proxy_write) from [<c059ba74>] (vfs_write+0x10c/0x53c)

 2835 22:39:10.271107  # [   77.230915]  r9:c07e16c4 r8:c6b63f60 r7:c2815800 r6:b6dc1000 r5:c5b1d180 r4:00000000

 2836 22:39:10.271333  <6>[   77.795107] lkdtm: Performing direct entry ACCESS_USERSPACE

 2837 22:39:10.314144  # [   77.238926] [<c059b968>] (vf<6>[   77.801694] lkdtm: attempting bad read at b6f16000

 2838 22:39:10.314603  s_write) from [<c059c020>] (ksys_<1>[   77.809617] 8<--- cut here ---

 2839 22:39:10.314877  write+0x74/0xec)

 2840 22:39:10.315100  # [   77.24633<1>[   77.815754] Unhandled fault: page domain fault (0x01b) at 0xb6f16000

 2841 22:39:10.315309  ]  r10:00000004 r9<:10>0[0 0 0 077.825149] pgd = 063b1265

 2842 22:39:10.315510  0 r8:00000000 r7:b6dc1000 r6:c6b6<1>[   77.830296] [b6f16000] *pgd=49377831

 2843 22:39:10.315719  2000 r5:c5b1d180

 2844 22:39:10.315920  # [   77.254<40>[   77.837011] Internal error: : 1b [#10] SMP ARM

 2845 22:39:10.316118  7]  r4:c5b1d180

 2846 22:39:10.358150  # [   77.257234]<4>[   77.844406] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 2847 22:39:10.358621   [<c059bfac>] (ksys_write) from [<4>[   77.876387] CPU: 2 PID: 2264 Comm: cat Tainted: G      D W         5.10.202-cip41 #1

 2848 22:39:10.402148  <c059c0b0>] (sys_wr<i4t>e[+ 0 x 17.887249] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 2849 22:39:10.402609  8/0x1c)

 2850 22:39:10.402882  # [   77.264637]  r9:c6b<4>[   77.896230] PC is at lkdtm_ACCESS_USERSPACE+0x114/0x16c

 2851 22:39:10.403110  62000 r8:c03002e4 r7:00000004 r6:<4>[   77.904592] LR is at __irq_work_queue_local+0x40/0x74

 2852 22:39:10.403329  b6f08e00 r5:0000000a r<44:>0[0 0  77.912753] pc : [<c0c58264>]    lr : [<c049de90>]    psr: 600e0013

 2853 22:39:10.403539  000a

 2854 22:39:10.403745  # [   77.2726<542>][  [ < c7.921627] sp : c6e8de38  ip : c6e8dd40  fp : c6e8de64

 2855 22:39:10.403951  059c098>] (sys_w<r4i>t[e )   f7r7.929287] r10: 00000011  r9 : c1ad5690  r8 : c15ebd0c

 2856 22:39:10.446140  m [<c03000c0>] (ret_f<a4s>t[_ s y77.936866] r7 : c6e8df60  r6 : 00000051  r5 : c6e8c000  r4 : b6f16000

 2857 22:39:10.446596  scall+0x0/0x28)

 2858 22:39:10.446864  <#4 >[[      777.945914] r3 : c34bff53  r2 : c34bff53  r1 : ef7ab5e0  r0 : 00000026

 2859 22:39:10.447091  .280488] Exception stack<(40>x[c   77.954795] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 2860 22:39:10.447310  b63fa8 to 0xc6b63ff0)

 2861 22:39:10.447513  <

 2862 22:39:10.447714  4#> [[    77.964626] Control: 10c5387d  Table: 1681404a  DAC: 00000051

 2863 22:39:10.490152   77.285807] 3fa0:        < 0 > [   77.972980] Process cat (pid: 2264, stack limit = 0x42b0590d)

 2864 22:39:10.490607         0000000a 000<000>0[0 a   07.981420] Stack: (0xc6e8de38 to 0xc6e8e000)

 2865 22:39:10.490882  0000001 b6dc1000 0000000a 00<000>[   77.988219] de20:                                                       00000022 00000000

 2866 22:39:10.491116  000

 2867 22:39:10.491326  # [   77.294252] 3fc0: 00000<0>[   77.999271] de40: 00000000 c34bff53 c6e8de6c 00000026 c5e7b000 00000011 c6e8de74 c6e8de68

 2868 22:39:10.491534  00a 0000000a b6f08e00 00000004 000>[   78.010579] de60: c0c5727c c0c5815c c6e8de9c c6e8de78 c0c5777c c0c5725c c0c5765c c2fb0f00

 2869 22:39:10.534140  000001 00000000 00020000 bef5fa<c>[   78.021797] de80: b6dd0000 00000011 c53900c0 c6e8df60 c6e8dec4 c6e8dea0 c07e1728 c0c57668

 2870 22:39:10.534606  4

 2871 22:39:10.534889  # [   77.302695] 3fe0: 000000<0>[   78.032931] dea0: 00000000 c2fb0f00 b6dd0000 c2815800 c6e8df60 c07e16c4 c6e8df5c c6e8dec8

 2872 22:39:10.535116  4 bef5f7f8 b6e72d8f b6df97e6

 2873 22:39:10.535330  <#0>[   78.044150] dec0: c059ba74 c07e16d0 00000001 00000000 c059c020 c13dc868 c059c020 c6e8c000

 2874 22:39:10.535537  [   77.308018] Code: bad PC va<l0>[   78.055285] dee0: b6dd0000 00020000 00000004 00000011 0001ffef c6e8dee0 00000001 b6dcf000

 2875 22:39:10.535738  e

 2876 22:39:10.578137  # [   77.311435] ---[ en<d0 >t   78.066416] df00: c477ea00 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 2877 22:39:10.578593  race 77357beb01f1e26e ]---

 2878 22:39:10.578863  #< 0E[   78.077378] df20: 00000000 00000000 c13dc868 c34bff53 c206c120 c2fb0f00 c2fb0f00 c6e8c000

 2879 22:39:10.579090  XEC_NULL: missing 'call trace:<'0>[   78.088425] df40: b6dd0000 00000000 00000000 00000004 c6e8df94 c6e8df60 c059c020 c059b974

 2880 22:39:10.579299   [FAIL]

 2881 22:39:10.622143  not ok 36 selftests: <l0>[   78.099559] df60: 00000000 00000000 c6e8dfac c34bff53 00000011 00000011 b6f17e00 00000004

 2882 22:39:10.622606  dtm: EXEC_NULL.sh # exit=1

 2883 22:39:10.622874  #< 0s[   78.110692] df80: c03002e4 c6e8c000 c6e8dfa4 c6e8df98 c059c0b0 c059bfb8 00000000 c6e8dfa8

 2884 22:39:10.623106  elftests: lkdtm: ACCESS_USERSP<0A[   78.121740] dfa0: c03000c0 c059c0a4 00000011 00000011 00000001 b6dd0000 00000011 00000000

 2885 22:39:10.623314  CE.sh

 2886 22:39:10.623516  <0>[   78.132788] dfc0: 00000011 00000011 b6f17e00 00000004 00000001 00000000 00020000 bee07ac4

 2887 22:39:10.623724  <0>[   78.141838] dfe0: 00000004 bee077f8 b6e81d8f b6e087e6 800e0030 00000001 00000000 00000000

 2888 22:39:10.623927  <0>[   78.150294] Backtrace: 

 2889 22:39:10.666147  <0>[   78.153058] [<c0c58150>] (lkdtm_ACCESS_USERSPACE) from [<c0c5727c>] (lkdtm_do_action+0x2c/0x4c)

 2890 22:39:10.666604  <0>[   78.162049]  r6:00000011 r5:c5e7b000 r4:00000026

 2891 22:39:10.666873  <0>[   78.166966] [<c0c57250>] (lkdtm_do_action) from [<c0c5777c>] (direct_entry+0x120/0x18c)

 2892 22:39:10.667094  <0>[   78.175275] [<c0c5765c>] (direct_entry) from [<c07e1728>] (full_proxy_write+0x64/0x94)

 2893 22:39:10.667301  <0>[   78.183489]  r9:c6e8df60 r8:c53900c0 r7:00000011 r6:b6dd0000 r5:c2fb0f00 r4:c0c5765c

 2894 22:39:10.710146  <0>[   78.191538] [<c07e16c4>] (full_proxy_write) from [<c059ba74>] (vfs_write+0x10c/0x53c)

 2895 22:39:10.710611  <0>[   78.199660]  r9:c07e16c4 r8:c6e8df60 r7:c2815800 r6:b6dd0000 r5:c2fb0f00 r4:00000000

 2896 22:39:10.710883  <0>[   78.207700] [<c059b968>] (vfs_write) from [<c059c020>] (ksys_write+0x74/0xec)

 2897 22:39:10.711112  <0>[   78.215127]  r10:00000004 r9:00000000 r8:00000000 r7:b6dd0000 r6:c6e8c000 r5:c2fb0f00

 2898 22:39:10.711320  <0>[   78.223238]  r4:c2fb0f00

 2899 22:39:10.711524  <0>[   78.226068] [<c059bfac>] (ksys_write) from [<c059c0b0>] (sys_write+0x18/0x1c)

 2900 22:39:10.754082  <0>[   78.233494]  r9:c6e8c000 r8:c03002e4 r7:00000004 r6:b6f17e00 r5:00000011 r4:00000011

 2901 22:39:10.754553  <0>[   78.241535] [<c059c098>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 2902 22:39:10.754857  <0>[   78.249388] Exception stack(0xc6e8dfa8 to 0xc6e8dff0)

 2903 22:39:10.755140  <0>[   78.254728] dfa0:                   00000011 00000011 00000001 b6dd0000 00000011 00000000

 2904 22:39:10.755381  <0>[   78.263198] dfc0: 00000011 00000011 b6f17e00 00000004 00000001 00000000 00020000 bee07ac4

 2905 22:39:10.755635  <0>[   78.271659] dfe0: 00000004 bee077f8 b6e81d8f b6e087e6

 2906 22:39:10.797754  <0>[   78.277004] Code: e1a01004 e30605b4 e34c01ad eb1d908e (e5943000) 

 2907 22:39:10.797836  <4>[   78.283393] ---[ end trace 77357beb01f1e26f ]---

 2908 22:39:10.797900  # Segmentation fault

 2909 22:39:10.902349  # [   77.795107] lkdtm: Performing direct entry ACCESS_USERSPACE

 2910 22:39:10.902507  # [   77.801694] lkdtm: attempting bad read at b6f16000

 2911 22:39:10.902590  # [   77.809617] 8<--- cut here ---

 2912 22:39:10.902649  # [   77.815754] Unhandled fault: page domain fault (0x01b) at 0xb6f16000

 2913 22:39:10.902699  # [   77.825149] pgd = 063b1265

 2914 22:39:10.902749  # [   77.830296] [b6f16000] *pgd=49377831

 2915 22:39:10.902797  # [   77.837011] Internal error: : 1b [#10] SMP ARM

 2916 22:39:10.945740  # [   77.844406] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 2917 22:39:10.945811  # [   77.876387] CPU: 2 PID: 2264 Comm: cat Tainted: G      D W         5.10.202-cip41 #1

 2918 22:39:10.945869  # [   77.887249] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 2919 22:39:10.945920  # [   77.896230] PC is at lkdtm_ACCESS_USERSPACE+0x114/0x16c

 2920 22:39:10.945970  # [   77.904592] LR is at __irq_work_queue_local+0x40/0x74

 2921 22:39:10.990178  # [   77.912753] pc : [<c0c58264>]    lr : [<c049de90>]    psr: 600e0013

 2922 22:39:10.990600  # [   77.921627] sp : c6e8de38  ip : c6e8dd40  fp : c6e8de64

 2923 22:39:10.990845  # [   77.929287] r10: 00000011  r9 : c1ad5690  r8 : c15ebd0c

 2924 22:39:10.991050  # [   77.936866] r7 : c6e8df60  r6 : 00000051  r5 : c6e8c000  r4 : b6f16000

 2925 22:39:10.991238  # [   77.945914] r3 : c34bff53  r2 : c34bff53  r1 : ef7ab5e0  r0 : 00000026

 2926 22:39:10.991425  # [   77.954795] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 2927 22:39:11.034032  # [   77.964626] Control: 10c5387d  Table: 1681404a  DAC: 00000051

 2928 22:39:11.034489  # [   77.972980] Process cat (pid: 2264, stack limit = 0x42b0590d)

 2929 22:39:11.034775  # [   77.981420] Stack: (0xc6e8de38 to 0xc6e8e000)

 2930 22:39:11.034992  # [   77.988219] de20:                                                       00000022 00000000

 2931 22:39:11.035252  # [   77.999271] de40: 00000000 c34bff53 c6e8de6c 00000026 c5e7b000 00000011 c6e8de74 c6e8de68

 2932 22:39:11.035451  # [   78.010579] de60: c0c5727c c0c5815c c6e8de9c c6e8de78 c0c5777c c0c5725c c0c5765c c2fb0f00

 2933 22:39:11.078059  # [   78.021797] de80: b6dd0000 00000011 c53900c0 c6e8df60 c6e8dec4 c6e8dea0 c07e1728 c0c57668

 2934 22:39:11.078484  # [   78.032931] dea0: 00000000 c2fb0f00 b6dd0000 c2815800 c6e8df60 c07e16c4 c6e8df5c c6e8dec8

 2935 22:39:11.078719  # [   78.044150] dec0: c059ba74 c07e16d0 00000001 00000000 c059c020 c13dc868 c059c020 c6e8c000

 2936 22:39:11.078920  # [   78.055285] dee0: b6dd0000 00020000 00000004 00000011 0001ffef c6e8dee0 00000001 b6dcf000

 2937 22:39:11.079111  # [   78.066416] df00: c477ea00 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 2938 22:39:11.079296  # [   78.077378] df20: 00000000 00000000 c13dc868 c34bff53 c206c120 c2fb0f00 c2fb0f00 c6e8c000

 2939 22:39:11.121994  # [   78.088425] df40: b6dd0000 00000000 00000000 00000004 c6e8df94 c6e8df60 c059c020 c059b974

 2940 22:39:11.122401  # [   78.099559] df60: 00000000 00000000 c6e8dfac c34bff53 00000011 00000011 b6f17e00 00000004

 2941 22:39:11.122632  # [   78.110692] df80: c03002e4 c6e8c000 c6e8dfa4 c6e8df98 c059c0b0 c059bfb8 00000000 c6e8dfa8

 2942 22:39:11.122832  # [   78.121740] dfa0: c03000c0 c059c0a4 00000011 00000011 00000001 b6dd0000 00000011 00000000

 2943 22:39:11.123025  # [   78.132788] dfc0: 00000011 00000011 b6f17e00 00000004 00000001 00000000 00020000 bee07ac4

 2944 22:39:11.166143  # [   78.141838] dfe0: 00000004 bee077f8 b6e81d8f b6e087e6 800e0030 00000001 00000000 00000000

 2945 22:39:11.166603  # [   78.150294] Backtrace: 

 2946 22:39:11.166882  # [   78.153058] [<c0c58150>] (lkdtm_ACCESS_USERSPACE) from [<c0c5727c>] (lkdtm_do_action+0x2c/0x4c)

 2947 22:39:11.167108  # [   78.162049]  r6:00000011 r5:c5e7b000 r4:00000026

 2948 22:39:11.167319  # [   78.166966] [<c0c57250>] (lkdtm_do_action) from [<c0c5777c>] (direct_entry+0x120/0x18c)

 2949 22:39:11.167522  # [   78.175275] [<c0c5765c>] (direct_entry) from [<c07e1728>] (full_proxy_write+0x64/0x94)

 2950 22:39:11.210022  # [   78.183489]  r9:c6e8df60 r8:c53900c0 r7:00000011 r6:b6dd0000 r5:c2fb0f00 r4:c0c5765c

 2951 22:39:11.210574  # [   78.191538] [<c07e16c4>] (full_proxy_write) from [<c059ba74>] (vfs_write+0x10c/0x53c)

 2952 22:39:11.210881  # [   78.199660]  r9:c07e16c4 r8:c6e8df60 r7:c2815800 r6:b6dd0000 r5:c2fb0f00 r4:00000000

 2953 22:39:11.211224  # [   78.207700] [<c059b968>] (vfs_write) from [<c059c020>] (ksys_write+0x74/0xec)

 2954 22:39:11.211487  <6>[   78.730967] lkdtm: Performing direct entry ACCESS_NULL

 2955 22:39:11.211796  # [   78.215127]  r10:00000004 r9<6>[   78.738182] lkdtm: attempting bad read at 00000000

 2956 22:39:11.254099  :00000000 r8:00000000 r7:b6dd0000<1>[   78.746053] 8<--- cut here ---

 2957 22:39:11.254520   r6:c6e8c000 r5:c2fb0f00

 2958 22:39:11.254764  # [   7<1>[   78.752181] Unable to handle kernel NULL pointer dereference at virtual address 00000000

 2959 22:39:11.254976  8.223238]  r4:c2fb0f00

 2960 22:39:11.255172  # [   78.<1>[   78.763435] pgd = 9267b691

 2961 22:39:11.255355  226068] [<c059bfac>] (ksys_write)<1>[   78.769264] [00000000] *pgd=00000000

 2962 22:39:11.255546   from [<c059c0b0>] (sys_write+0x1<0>[   78.775975] Internal error: Oops: 5 [#11] SMP ARM

 2963 22:39:11.255729  8/0x1c)

 2964 22:39:11.298086  # [   78.233494]  r9:c6e<4>[   78.783744] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 2965 22:39:11.298517  8c000 r8:c03002e4 r<74:>0[0 0 0 08.815707] CPU: 1 PID: 2340 Comm: cat Tainted: G      D W         5.10.202-cip41 #1

 2966 22:39:11.298775  004 r6:b6f1<74e>0[0   r 57:80.0805874] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 2967 22:39:11.342144  00011 r4:00000011

 2968 22:39:11.342601  # [   78.24<14>[   78.834497] PC is at lkdtm_ACCESS_NULL+0x28/0x68

 2969 22:39:11.342879  35] [<c059c098>] (sys_write) <f4r[   78.842062] LR is at __irq_work_queue_local+0x40/0x74

 2970 22:39:11.343112  om [<c03<040>0[c 0 > ]7 8(.r8e4t9965] pc : [<c13c7580>]    lr : [<c049de90>]    psr: 600e0013

 2971 22:39:11.343324  fast_sys<c4a>l[l + 0 x780./805x8227] sp : c2fb3e50  ip : c2fb3d58  fp : c2fb3e64

 2972 22:39:11.343527  8)

 2973 22:39:11.343735  # [  < 47>8[. 2 4 97388.88]6 360] r10: 0000000c  r9 : c1ad56a4  r8 : c15ebd0c

 2974 22:39:11.386143  Exception< 4s>t[a c k (708x.c867e580] r7 : c2fb3f60  r6 : 0000000c  r5 : c5d1c000  r4 : 00000000

 2975 22:39:11.386600  8dfa8 to 0xc6<e48>d[f  f 07)8

 2976 22:39:11.386863  .

 2977 22:39:11.387080  881102] r3 : b50840b6  r2 : b50840b6  r1 : ef7965e0  r0 : 00000026

 2978 22:39:11.387293   [   78.254728]< 4d>f[a 0 :  7 8 889798] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 2979 22:39:11.387501             < 4 > [    0 07080.0809187] Control: 10c5387d  Table: 16d9c04a  DAC: 00000051

 2980 22:39:11.387703  11 00000011 00<000>0[0 0 1  7b86.907017] Process cat (pid: 2340, stack limit = 0x8e5395cb)

 2981 22:39:11.430153  d0000 00000<001>1[  0 0 07080.9015015] Stack: (0xc2fb3e50 to 0xc2fb4000)

 2982 22:39:11.430605  0

 2983 22:39:11.430871  # [   78.2631<908>][  d f c708.921457] 3e40:                                     00000027 c5d1c000 c2fb3e74 c2fb3e68

 2984 22:39:11.431092   00000011 000000<101> [b 6 f 1778.931975] 3e60: c0c5727c c13c7564 c2fb3e9c c2fb3e78 c0c5777c c0c5725c c0c5765c c5a152c0

 2985 22:39:11.431303  00 00000004 0000<000>0[1   0 0708.942494] 3e80: b6e6b000 0000000c c53900c0 c2fb3f60 c2fb3ec4 c2fb3ea0 c07e1728 c0c57668

 2986 22:39:11.431511  0000 00020000 bee<007>[a c 4 

 2987 22:39:11.431717  7

 2988 22:39:11.431922  8.953012] 3ea0: 00000000 c5a152c0 b6e6b000 c2815800 c2fb3f60 c07e16c4 c2fb3f5c c2fb3ec8

 2989 22:39:11.474143   [   78.271659] df<e00>:[  0 0 078.963531] 3ec0: c059ba74 c07e16d0 00000001 00000000 c059c020 c13dc868 c059c020 c2fb2000

 2990 22:39:11.474601  0004 bee077f8 b6e<801>d[8 f   b76.974135] 3ee0: b6e6b000 00020000 00000004 0000000c 0001fff4 c2fb3ee0 00000001 b6e6a000

 2991 22:39:11.474880  e087e6

 2992 22:39:11.475102  # [   7<80.>2[7 7 0 0748]984652] 3f00: c5d192c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 2993 22:39:11.475317   Code: e1a01004 <e03>0[6 0 5 b748.995085] 3f20: 00000000 00000000 c13dc868 b50840b6 c206c120 c5a152c0 c5a152c0 c2fb2000

 2994 22:39:11.518139  e34c01ad eb1d9<008>e[  ( e 5799.405602] 3f40: b6e6b000 00000000 00000000 00000004 c2fb3f94 c2fb3f60 c059c020 c059b974

 2995 22:39:11.518601  3000) 

 2996 22:39:11.518883  # [  < 07>8[. 2 8 37399.315946] 3f60: 00000000 00000000 c2fb3fac b50840b6 0000000c 0000000c b6fb2e00 00000004

 2997 22:39:11.519117  ] ---[ end trace <707>3[5 7 b e7b.026292] 3f80: c03002e4 c2fb2000 c2fb3fa4 c2fb3f98 c059c0b0 c059bfb8 00000000 c2fb3fa8

 2998 22:39:11.519329  01f1e26f ]---

 2999 22:39:11.519535  <

 3000 22:39:11.519734  0>#[  A C C7E9S.S36810] 3fa0: c03000c0 c059c0a4 0000000c 0000000c 00000001 b6e6b000 0000000c 00000000

 3001 22:39:11.562154  _USERSPACE: mis<s0i>n[g   ' c7a9l047156] 3fc0: 0000000c 0000000c b6fb2e00 00000004 00000001 00000000 00020000 becdeac4

 3002 22:39:11.562614  l trace:': [F<A0I>L[] 

 3003 22:39:11.562890   

 3004 22:39:11.563114   n7o9t. 57585] 3fe0: 00000004 becde7f8 b6f1cd8f b6ea37e6 800e0030 00000001 00000000 00000000

 3005 22:39:11.563321  ok 37 selftests<:0 >l[k d t m7:9 067926] Backtrace: 

 3006 22:39:11.563528  ACCESS_USERSPACE.sh # exit=1

 3007 22:39:11.563728  <#0>[   79.072642] [<c13c7558>] (lkdtm_ACCESS_NULL) from [<c0c5727c>] (lkdtm_do_action+0x2c/0x4c)

 3008 22:39:11.563936  selftests: lk<d0t>m[:   A C7C9E.S83843]  r5:c5d1c000 r4:00000027

 3009 22:39:11.564137  S_NULL.sh

 3010 22:39:11.606143  <0>[   79.089592] [<c0c57250>] (lkdtm_do_action) from [<c0c5777c>] (direct_entry+0x120/0x18c)

 3011 22:39:11.606605  <0>[   79.098812] [<c0c5765c>] (direct_entry) from [<c07e1728>] (full_proxy_write+0x64/0x94)

 3012 22:39:11.606883  <0>[   79.107001]  r9:c2fb3f60 r8:c53900c0 r7:0000000c r6:b6e6b000 r5:c5a152c0 r4:c0c5765c

 3013 22:39:11.607109  <0>[   79.115022] [<c07e16c4>] (full_proxy_write) from [<c059ba74>] (vfs_write+0x10c/0x53c)

 3014 22:39:11.607315  <0>[   79.123119]  r9:c07e16c4 r8:c2fb3f60 r7:c2815800 r6:b6e6b000 r5:c5a152c0 r4:00000000

 3015 22:39:11.650141  <0>[   79.131133] [<c059b968>] (vfs_write) from [<c059c020>] (ksys_write+0x74/0xec)

 3016 22:39:11.650593  <0>[   79.138537]  r10:00000004 r9:00000000 r8:00000000 r7:b6e6b000 r6:c2fb2000 r5:c5a152c0

 3017 22:39:11.650871  <0>[   79.146631]  r4:c5a152c0

 3018 22:39:11.651098  <0>[   79.149436] [<c059bfac>] (ksys_write) from [<c059c0b0>] (sys_write+0x18/0x1c)

 3019 22:39:11.651312  <0>[   79.156841]  r9:c2fb2000 r8:c03002e4 r7:00000004 r6:b6fb2e00 r5:0000000c r4:0000000c

 3020 22:39:11.651522  <0>[   79.164858] [<c059c098>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 3021 22:39:11.651723  <0>[   79.172694] Exception stack(0xc2fb3fa8 to 0xc2fb3ff0)

 3022 22:39:11.694014  <0>[   79.178014] 3fa0:                   0000000c 0000000c 00000001 b6e6b000 0000000c 00000000

 3023 22:39:11.694523  <0>[   79.186460] 3fc0: 0000000c 0000000c b6fb2e00 00000004 00000001 00000000 00020000 becdeac4

 3024 22:39:11.694829  <0>[   79.194903] 3fe0: 00000004 becde7f8 b6f1cd8f b6ea37e6

 3025 22:39:11.695094  <0>[   79.200226] Code: e30605b4 e34c01ad e1a01004 ebffd3c7 (e5945000) 

 3026 22:39:11.695382  <4>[   79.206653] ---[ end trace 77357beb01f1e270 ]---

 3027 22:39:11.695653  # Segmentation fault

 3028 22:39:11.855400  # [   78.730967] lkdtm: Performing direct entry ACCESS_NULL

 3029 22:39:11.855814  # [   78.738182] lkdtm: attempting bad read at 00000000

 3030 22:39:11.856046  # [   78.746053] 8<--- cut here ---

 3031 22:39:11.856244  # [   78.752181] Unable to handle kernel NULL pointer dereference at virtual address 00000000

 3032 22:39:11.856436  # [   78.763435] pgd = 9267b691

 3033 22:39:11.856625  # [   78.769264] [00000000] *pgd=00000000

 3034 22:39:11.856809  # [   78.775975] Internal error: Oops: 5 [#11] SMP ARM

 3035 22:39:11.898706  # [   78.783744] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 3036 22:39:11.899160  # [   78.815707] CPU: 1 PID: 2340 Comm: cat Tainted: G      D W         5.10.202-cip41 #1

 3037 22:39:11.899434  # [   78.825874] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 3038 22:39:11.899656  # [   78.834497] PC is at lkdtm_ACCESS_NULL+0x28/0x68

 3039 22:39:11.899864  # [   78.842062] LR is at __irq_work_queue_local+0x40/0x74

 3040 22:39:11.941953  # [   78.849965] pc : [<c13c7580>]    lr : [<c049de90>]    psr: 600e0013

 3041 22:39:11.942361  # [   78.858227] sp : c2fb3e50  ip : c2fb3d58  fp : c2fb3e64

 3042 22:39:11.942591  # [   78.865360] r10: 0000000c  r9 : c1ad56a4  r8 : c15ebd0c

 3043 22:39:11.942790  # [   78.872580] r7 : c2fb3f60  r6 : 0000000c  r5 : c5d1c000  r4 : 00000000

 3044 22:39:11.942978  # [   78.881102] r3 : b50840b6  r2 : b50840b6  r1 : ef7965e0  r0 : 00000026

 3045 22:39:11.943165  # [   78.889798] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 3046 22:39:11.986015  # [   78.899187] Control: 10c5387d  Table: 16d9c04a  DAC: 00000051

 3047 22:39:11.986430  # [   78.907017] Process cat (pid: 2340, stack limit = 0x8e5395cb)

 3048 22:39:11.986658  # [   78.915015] Stack: (0xc2fb3e50 to 0xc2fb4000)

 3049 22:39:11.986855  # [   78.921457] 3e40:                                     00000027 c5d1c000 c2fb3e74 c2fb3e68

 3050 22:39:11.987047  # [   78.931975] 3e60: c0c5727c c13c7564 c2fb3e9c c2fb3e78 c0c5777c c0c5725c c0c5765c c5a152c0

 3051 22:39:11.987234  # [   78.942494] 3e80: b6e6b000 0000000c c53900c0 c2fb3f60 c2fb3ec4 c2fb3ea0 c07e1728 c0c57668

 3052 22:39:12.029992  # [   78.953012] 3ea0: 00000000 c5a152c0 b6e6b000 c2815800 c2fb3f60 c07e16c4 c2fb3f5c c2fb3ec8

 3053 22:39:12.030406  # [   78.963531] 3ec0: c059ba74 c07e16d0 00000001 00000000 c059c020 c13dc868 c059c020 c2fb2000

 3054 22:39:12.030635  # [   78.974135] 3ee0: b6e6b000 00020000 00000004 0000000c 0001fff4 c2fb3ee0 00000001 b6e6a000

 3055 22:39:12.030835  # [   78.984652] 3f00: c5d192c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 3056 22:39:12.031022  # [   78.995085] 3f20: 00000000 00000000 c13dc868 b50840b6 c206c120 c5a152c0 c5a152c0 c2fb2000

 3057 22:39:12.031208  # [   79.005602] 3f40: b6e6b000 00000000 00000000 00000004 c2fb3f94 c2fb3f60 c059c020 c059b974

 3058 22:39:12.074063  # [   79.015946] 3f60: 00000000 00000000 c2fb3fac b50840b6 0000000c 0000000c b6fb2e00 00000004

 3059 22:39:12.074482  # [   79.026292] 3f80: c03002e4 c2fb2000 c2fb3fa4 c2fb3f98 c059c0b0 c059bfb8 00000000 c2fb3fa8

 3060 22:39:12.074732  # [   79.036810] 3fa0: c03000c0 c059c0a4 0000000c 0000000c 00000001 b6e6b000 0000000c 00000000

 3061 22:39:12.074944  # [   79.047156] 3fc0: 0000000c 0000000c b6fb2e00 00000004 00000001 00000000 00020000 becdeac4

 3062 22:39:12.075136  # [   79.057585] 3fe0: 00000004 becde7f8 b6f1cd8f b6ea37e6 800e0030 00000001 00000000 00000000

 3063 22:39:12.117993  # [   79.067926] Backtrace: 

 3064 22:39:12.118405  # [   79.072642] [<c13c7558>] (lkdtm_ACCESS_NULL) from [<c0c5727c>] (lkdtm_do_action+0x2c/0x4c)

 3065 22:39:12.118718  # [   79.083843]  r5:c5d1c000 r4:00000027

 3066 22:39:12.118961  # [   79.089592] [<c0c57250>] (lkdtm_do_action) from [<c0c5777c>] (direct_entry+0x120/0x18c)

 3067 22:39:12.119237  # [   79.098812] [<c0c5765c>] (direct_entry) from [<c07e1728>] (full_proxy_write+0x64/0x94)

 3068 22:39:12.119466  # [   79.107001]  r9:c2fb3f60 r8:c53900c0 r7:0000000c r6:b6e6b000 r5:c5a152c0 r4:c0c5765c

 3069 22:39:12.162101  # [   79.115022] [<c07e16c4>] (full_proxy_write) from [<c059ba74>] (vfs_write+0x10c/0x53c)

 3070 22:39:12.162564  # [   79.123119]  r9:c07e16c4 r8:c2fb3f60 r7:c2815800 r6:b6e6b000 r5:c5a152c0 r4:00000000

 3071 22:39:12.162837  # [   7<6>[   79.668628] lkdtm: Performing direct entry WRITE_RO

 3072 22:39:12.163063  9.131133] [<c059b968>] (vfs_write<6>[   79.674718] lkdtm: attempting bad rodata write at c15ebfa4

 3073 22:39:12.163282  ) from [<c059c020>] (ksys_write+0<1>[   79.683257] 8<--- cut here ---

 3074 22:39:12.163490  <1>[   79.689394] Unable to handle kernel paging request at virtual address c15ebfa4

 3075 22:39:12.163693  <1>[   79.696888] pgd = 8fa072a1

 3076 22:39:12.206098  <1>[   79.699864] [c15ebfa4] *pgd=1141941e(bad)

 3077 22:39:12.206558  <0>[   79.704172] Internal error: Oops: 80d [#12] SMP ARM

 3078 22:39:12.206836  <4>[   79.709335] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 3079 22:39:12.250109  <4>[   79.738875] CPU: 0 PID: 2415 Comm: cat Tainted: G      D W         5.10.202-cip41 #1

 3080 22:39:12.250569  <4>[   79.746901] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 3081 22:39:12.250841  <4>[   79.753732] PC is at lkdtm_WRITE_RO+0x44/0x50

 3082 22:39:12.251066  <4>[   79.758375] LR is at 0x0

 3083 22:39:12.251276  <4>[   79.761193] pc : [<c13c739c>]    lr : [<00000000>]    psr: 600e0013

 3084 22:39:12.251484  <4>[   79.767742] sp : c6b63e50  ip : 00000027  fp : c6b63e64

 3085 22:39:12.251690  <4>[   79.773248] r10: 00000009  r9 : c1ad56b0  r8 : c15ebd0c

 3086 22:39:12.251890  <4>[   79.778757] r7 : c6b63f60  r6 : 00000009  r5 : c6e58000  r4 : c15ebfa4

 3087 22:39:12.294102  <4>[   79.785567] r3 : 0198b861  r2 : aa55aa55  r1 : ef7815e4  r0 : c1ad64b4

 3088 22:39:12.294562  <4>[   79.792380] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 3089 22:39:12.294831  <4>[   79.799800] Control: 10c5387d  Table: 1686004a  DAC: 00000051

 3090 22:39:12.295060  <0>[   79.805833] Process cat (pid: 2415, stack limit = 0x6ec37340)

 3091 22:39:12.295268  <0>[   79.811863] Stack: (0xc6b63e50 to 0xc6b64000)

 3092 22:39:12.295474  <0>[   79.816511] 3e40:                                     00000028 c6e58000 c6b63e74 c6b63e68

 3093 22:39:12.338115  <0>[   79.824981] 3e60: c0c5727c c13c7364 c6b63e9c c6b63e78 c0c5777c c0c5725c c0c5765c c5b27040

 3094 22:39:12.338570  <0>[   79.833449] 3e80: b6e68000 00000009 c53900c0 c6b63f60 c6b63ec4 c6b63ea0 c07e1728 c0c57668

 3095 22:39:12.338843  <0>[   79.841918] 3ea0: 00000000 c5b27040 b6e68000 c2815800 c6b63f60 c07e16c4 c6b63f5c c6b63ec8

 3096 22:39:12.339071  <0>[   79.850389] 3ec0: c059ba74 c07e16d0 00000001 00000000 c059c020 c13dc868 c059c020 c6b62000

 3097 22:39:12.339281  <0>[   79.858857] 3ee0: b6e68000 00020000 00000004 00000009 0001fff7 c6b63ee0 00000001 b6e67000

 3098 22:39:12.382099  <0>[   79.867323] 3f00: c5a87b80 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 3099 22:39:12.382564  <0>[   79.875790] 3f20: 00000000 00000000 c13dc868 870ff2af c206c120 c5b27040 c5b27040 c6b62000

 3100 22:39:12.382849  <0>[   79.884258] 3f40: b6e68000 00000000 00000000 00000004 c6b63f94 c6b63f60 c059c020 c059b974

 3101 22:39:12.383082  <0>[   79.892725] 3f60: 00000000 00000000 c6b63fac 870ff2af 00000009 00000009 b6fafe00 00000004

 3102 22:39:12.383293  <0>[   79.901193] 3f80: c03002e4 c6b62000 c6b63fa4 c6b63f98 c059c0b0 c059bfb8 00000000 c6b63fa8

 3103 22:39:12.383500  <0>[   79.909660] 3fa0: c03000c0 c059c0a4 00000009 00000009 00000001 b6e68000 00000009 00000000

 3104 22:39:12.426104  <0>[   79.918127] 3fc0: 00000009 00000009 b6fafe00 00000004 00000001 00000000 00020000 beb74ac4

 3105 22:39:12.426566  <0>[   79.926594] 3fe0: 00000004 beb747f8 b6f19d8f b6ea07e6 800e0030 00000001 00000000 00000000

 3106 22:39:12.426838  <0>[   79.935048] Backtrace: 

 3107 22:39:12.427064  <0>[   79.937813] [<c13c7358>] (lkdtm_WRITE_RO) from [<c0c5727c>] (lkdtm_do_action+0x2c/0x4c)

 3108 22:39:12.427276  <0>[   79.946106]  r5:c6e58000 r4:00000028

 3109 22:39:12.427477  <0>[   79.949978] [<c0c57250>] (lkdtm_do_action) from [<c0c5777c>] (direct_entry+0x120/0x18c)

 3110 22:39:12.470108  <0>[   79.958286] [<c0c5765c>] (direct_entry) from [<c07e1728>] (full_proxy_write+0x64/0x94)

 3111 22:39:12.470575  <0>[   79.966499]  r9:c6b63f60 r8:c53900c0 r7:00000009 r6:b6e68000 r5:c5b27040 r4:c0c5765c

 3112 22:39:12.470848  <0>[   79.974546] [<c07e16c4>] (full_proxy_write) from [<c059ba74>] (vfs_write+0x10c/0x53c)

 3113 22:39:12.471077  <0>[   79.982666]  r9:c07e16c4 r8:c6b63f60 r7:c2815800 r6:b6e68000 r5:c5b27040 r4:00000000

 3114 22:39:12.471288  <0>[   79.990703] [<c059b968>] (vfs_write) from [<c059c020>] (ksys_write+0x74/0xec)

 3115 22:39:12.514103  <0>[   79.998129]  r10:00000004 r9:00000000 r8:00000000 r7:b6e68000 r6:c6b62000 r5:c5b27040

 3116 22:39:12.514569  <0>[   80.006238]  r4:c5b27040

 3117 22:39:12.514844  <0>[   80.009065] [<c059bfac>] (ksys_write) from [<c059c0b0>] (sys_write+0x18/0x1c)

 3118 22:39:12.515077  <0>[   80.016491]  r9:c6b62000 r8:c03002e4 r7:00000004 r6:b6fafe00 r5:00000009 r4:00000009

 3119 22:39:12.515289  <0>[   80.024533] [<c059c098>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 3120 22:39:12.515498  <0>[   80.032384] Exception stack(0xc6b63fa8 to 0xc6b63ff0)

 3121 22:39:12.515699  <0>[   80.037725] 3fa0:                   00000009 00000009 00000001 b6e68000 00000009 00000000

 3122 22:39:12.558071  <0>[   80.046192] 3fc0: 00000009 00000009 b6fafe00 00000004 00000001 00000000 00020000 beb74ac4

 3123 22:39:12.558480  <0>[   80.054654] 3fe0: 00000004 beb747f8 b6f19d8f b6ea07e6

 3124 22:39:12.558717  <0>[   80.059997] Code: e34a3bcd e30604b4 e34c01ad e0233002 (e5843000) 

 3125 22:39:12.558922  <4>[   80.066385] ---[ end trace 77357beb01f1e271 ]---

 3126 22:39:12.559124  x74/0xec)

 3127 22:39:12.559387  # [   79.138537]  r10:00000004 r9:00000000 r8:00000000 r7:b6e6b000 r6:c2fb2000 r5:c5a152c0

 3128 22:39:12.559680  # [   79.146631]  r4:c5a152c0

 3129 22:39:12.559951  # [   79.149436] [<c059bfac>] (ksys_write) from [<c059c0b0>] (sys_write+0x18/0x1c)

 3130 22:39:12.601724  # [   79.156841]  r9:c2fb2000 r8:c03002e4 r7:00000004 r6:b6fb2e00 r5:0000000c r4:0000000c

 3131 22:39:12.601803  # [   79.164858] [<c059c098>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 3132 22:39:12.601877  # [   79.172694] Exception stack(0xc2fb3fa8 to 0xc2fb3ff0)

 3133 22:39:12.601937  # [   79.178014] 3fa0:                   0000000c 0000000c 00000001 b6e6b000 0000000c 00000000

 3134 22:39:12.601984  # [   79.186460] 3fc0: 0000000c 0000000c b6fb2e00 00000004 00000001 00000000 00020000 becdeac4

 3135 22:39:12.602050  # [   79.194903] 3fe0: 00000004 becde7f8 b6f1cd8f b6ea37e6

 3136 22:39:12.645744  # [   79.200226] Code: e30605b4 e34c01ad e1a01004 ebffd3c7 (e5945000) 

 3137 22:39:12.645811  # [   79.206653] ---[ end trace 77357beb01f1e270 ]---

 3138 22:39:12.645878  # ACCESS_NULL: missing 'call trace:': [FAIL]

 3139 22:39:12.645939  not ok 38 selftests: lkdtm: ACCESS_NULL.sh # exit=1

 3140 22:39:12.645993  # selftests: lkdtm: WRITE_RO.sh

 3141 22:39:12.646038  # Segmentation fault

 3142 22:39:12.696594  # [   79.668628] lkdtm: Performing direct entry WRITE_RO

 3143 22:39:12.696663  # [   79.674718] lkdtm: attempting bad rodata write at c15ebfa4

 3144 22:39:12.696720  # [   79.683257] 8<--- cut here ---

 3145 22:39:12.696784  # [   79.689394] Unable to handle kernel paging request at virtual address c15ebfa4

 3146 22:39:12.696831  # [   79.696888] pgd = 8fa072a1

 3147 22:39:12.696875  # [   79.699864] [c15ebfa4] *pgd=1141941e(bad)

 3148 22:39:12.696920  # [   79.704172] Internal error: Oops: 80d [#12] SMP ARM

 3149 22:39:12.740074  # [   79.709335] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 3150 22:39:12.740505  # [   79.738875] CPU: 0 PID: 2415 Comm: cat Tainted: G      D W         5.10.202-cip41 #1

 3151 22:39:12.740756  # [   79.746901] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 3152 22:39:12.740955  # [   79.753732] PC is at lkdtm_WRITE_RO+0x44/0x50

 3153 22:39:12.741145  # [   79.758375] LR is at 0x0

 3154 22:39:12.783108  # [   79.761193] pc : [<c13c739c>]    lr : [<00000000>]    psr: 600e0013

 3155 22:39:12.783602  # [   79.767742] sp : c6b63e50  ip : 00000027  fp : c6b63e64

 3156 22:39:12.783895  # [   79.773248] r10: 00000009  r9 : c1ad56b0  r8 : c15ebd0c

 3157 22:39:12.784142  # [   79.778757] r7 : c6b63f60  r6 : 00000009  r5 : c6e58000  r4 : c15ebfa4

 3158 22:39:12.784362  # [   79.785567] r3 : 0198b861  r2 : aa55aa55  r1 : ef7815e4  r0 : c1ad64b4

 3159 22:39:12.784569  # [   79.792380] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 3160 22:39:12.784775  # [   79.799800] Control: 10c5387d  Table: 1686004a  DAC: 00000051

 3161 22:39:12.826111  # [   79.805833] Process cat (pid: 2415, stack limit = 0x6ec37340)

 3162 22:39:12.826603  # [   79.811863] Stack: (0xc6b63e50 to 0xc6b64000)

 3163 22:39:12.826864  # [   79.816511] 3e40:                                     00000028 c6e58000 c6b63e74 c6b63e68

 3164 22:39:12.827089  # [   79.824981] 3e60: c0c5727c c13c7364 c6b63e9c c6b63e78 c0c5777c c0c5725c c0c5765c c5b27040

 3165 22:39:12.827298  # [   79.833449] 3e80: b6e68000 00000009 c53900c0 c6b63f60 c6b63ec4 c6b63ea0 c07e1728 c0c57668

 3166 22:39:12.827506  # [   79.841918] 3ea0: 00000000 c5b27040 b6e68000 c2815800 c6b63f60 c07e16c4 c6b63f5c c6b63ec8

 3167 22:39:12.869997  # [   79.850389] 3ec0: c059ba74 c07e16d0 00000001 00000000 c059c020 c13dc868 c059c020 c6b62000

 3168 22:39:12.870409  # [   79.858857] 3ee0: b6e68000 00020000 00000004 00000009 0001fff7 c6b63ee0 00000001 b6e67000

 3169 22:39:12.870635  # [   79.867323] 3f00: c5a87b80 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 3170 22:39:12.870833  # [   79.875790] 3f20: 00000000 00000000 c13dc868 870ff2af c206c120 c5b27040 c5b27040 c6b62000

 3171 22:39:12.871026  # [   79.884258] 3f40: b6e68000 00000000 00000000 00000004 c6b63f94 c6b63f60 c059c020 c059b974

 3172 22:39:12.913995  # [   79.892725] 3f60: 00000000 00000000 c6b63fac 870ff2af 00000009 00000009 b6fafe00 00000004

 3173 22:39:12.914407  # [   79.901193] 3f80: c03002e4 c6b62000 c6b63fa4 c6b63f98 c059c0b0 c059bfb8 00000000 c6b63fa8

 3174 22:39:12.914630  # [   79.909660] 3fa0: c03000c0 c059c0a4 00000009 00000009 00000001 b6e68000 00000009 00000000

 3175 22:39:12.914829  # [   79.918127] 3fc0: 00000009 00000009 b6fafe00 00000004 00000001 00000000 00020000 beb74ac4

 3176 22:39:12.915020  # [   79.926594] 3fe0: 00000004 beb747f8 b6f19d8f b6ea07e6 800e0030 00000001 00000000 00000000

 3177 22:39:12.915205  # [   79.935048] Backtrace: 

 3178 22:39:12.958066  # [   79.937813] [<c13c7358>] (lkdtm_WRITE_RO) from [<c0c5727c>] (lkdtm_do_action+0x2c/0x4c)

 3179 22:39:12.958490  # [   79.946106]  r5:c6e58000 r4:00000028

 3180 22:39:12.958753  # [   79.949978] [<c0c57250>] (lkdtm_do_action) from [<c0c5777c>] (direct_entry+0x120/0x18c)

 3181 22:39:12.958990  # [   79.958286] [<c0c5765c>] (direct_entry) from [<c07e1728>] (full_proxy_write+0x64/0x94)

 3182 22:39:12.959201  # [   79.966499]  r9:c6b63f60 r8:c53900c0 r7:00000009 r6:b6e68000 r5:c5b27040 r4:c0c5765c

 3183 22:39:13.002051  # [   79.974546] [<c07e16c4>] (full_proxy_write) from [<c059ba74>] (vfs_write+0x10c/0x53c)

 3184 22:39:13.002503  # [   79.982666]  r9:c07e16c4 r8:c6b63f60 r7:c2815800 r6:b6e68000 r5:c5b27040 r4:00000000

 3185 22:39:13.002756  # [   79.990703] [<c059b968>] (vfs_write) from [<c059c020>] (ksys_write+0x74/0xec)

 3186 22:39:13.002978  # [   79.998129]  r10:00000004 r9:00000000 r8:00000000 r7:b6e68000 r6:c6b62000 r5:c5b27040

 3187 22:39:13.003187  # [   80.006238]  r4:c5b27040

 3188 22:39:13.003393  # [   80.009065] [<c059bfac>] (ksys_write) from [<c059c0b0>] (sys_write+0x18/0x1c)

 3189 22:39:13.003597  # [   80.016491]  r9:c6b62000 r8:c03002e4 r7:00000004 r6:b6fafe00 r5:00000009 r4:00000009

 3190 22:39:13.046093  # [   80.024533] [<c059c098>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 3191 22:39:13.046554  # [   80.032384] Exception stack(0xc6b63fa8 to 0xc6b63ff0)

 3192 22:39:13.046821  # [   80.037725] 3fa0:          <6>[   80.554686] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT

 3193 22:39:13.047056           00000009 00000009 000000<6>[   80.562899] lkdtm: attempting bad ro_after_init write at c1b88c60

 3194 22:39:13.047268  01 b6e68000 00000009 00000000

 3195 22:39:13.047475  # <1>[   80.572296] 8<--- cut here ---

 3196 22:39:13.047677  <1>[   80.578354] Unable to handle kernel paging request at virtual address c1b88c60

 3197 22:39:13.090094  <1>[   80.585849] pgd = 417b2fb0

 3198 22:39:13.090558  <1>[   80.588826] [c1b88c60] *pgd=11a1941e(bad)

 3199 22:39:13.090828  <0>[   80.593125] Internal error: Oops: 80d [#13] SMP ARM

 3200 22:39:13.091064  <4>[   80.598274] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 3201 22:39:13.134102  <4>[   80.627606] CPU: 0 PID: 2490 Comm: cat Tainted: G      D W         5.10.202-cip41 #1

 3202 22:39:13.134568  <4>[   80.635617] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 3203 22:39:13.134859  <4>[   80.642428] PC is at lkdtm_WRITE_RO_AFTER_INIT+0x64/0x70

 3204 22:39:13.135092  <4>[   80.648022] LR is at __irq_work_queue_local+0x40/0x74

 3205 22:39:13.135301  <4>[   80.653344] pc : [<c13c740c>]    lr : [<c049de90>]    psr: 600e0013

 3206 22:39:13.135506  <4>[   80.659878] sp : c5a75e50  ip : c5a75d58  fp : c5a75e64

 3207 22:39:13.135709  <4>[   80.665372] r10: 00000014  r9 : c1ad56bc  r8 : c15ebd0c

 3208 22:39:13.178106  <4>[   80.670865] r7 : c5a75f60  r6 : 00000014  r5 : c6e59000  r4 : c1b88c60

 3209 22:39:13.178566  <4>[   80.677659] r3 : fe67479e  r2 : 55aa55aa  r1 : ef7815e0  r0 : c1ad64b4

 3210 22:39:13.178842  <4>[   80.684458] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 3211 22:39:13.179068  <4>[   80.691861] Control: 10c5387d  Table: 169c004a  DAC: 00000051

 3212 22:39:13.179279  <0>[   80.697878] Process cat (pid: 2490, stack limit = 0xddfc3195)

 3213 22:39:13.179486  <0>[   80.703894] Stack: (0xc5a75e50 to 0xc5a76000)

 3214 22:39:13.222103  <0>[   80.708524] 5e40:                                     00000029 c6e59000 c5a75e74 c5a75e68

 3215 22:39:13.222561  <0>[   80.716975] 5e60: c0c5727c c13c73b4 c5a75e9c c5a75e78 c0c5777c c0c5725c c0c5765c c5a87400

 3216 22:39:13.222835  <0>[   80.725425] 5e80: b6dbb000 00000014 c53900c0 c5a75f60 c5a75ec4 c5a75ea0 c07e1728 c0c57668

 3217 22:39:13.223063  <0>[   80.733875] 5ea0: 00000000 c5a87400 b6dbb000 c2815800 c5a75f60 c07e16c4 c5a75f5c c5a75ec8

 3218 22:39:13.223275  <0>[   80.742327] 5ec0: c059ba74 c07e16d0 00000001 00000000 c059c020 c13dc868 c059c020 c5a74000

 3219 22:39:13.223479  <0>[   80.750775] 5ee0: b6dbb000 00020000 00000004 00000014 0001ffec c5a75ee0 00000001 b6dba000

 3220 22:39:13.266109  <0>[   80.759224] 5f00: c5b1d400 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 3221 22:39:13.266573  <0>[   80.767673] 5f20: 00000000 00000000 c13dc868 6749da2e c206c120 c5a87400 c5a87400 c5a74000

 3222 22:39:13.266847  <0>[   80.776123] 5f40: b6dbb000 00000000 00000000 00000004 c5a75f94 c5a75f60 c059c020 c059b974

 3223 22:39:13.267074  <0>[   80.784571] 5f60: 00000000 00000000 c5a75fac 6749da2e 00000014 00000014 b6f02e00 00000004

 3224 22:39:13.267282  <0>[   80.793020] 5f80: c03002e4 c5a74000 c5a75fa4 c5a75f98 c059c0b0 c059bfb8 00000000 c5a75fa8

 3225 22:39:13.310110  <0>[   80.801469] 5fa0: c03000c0 c059c0a4 00000014 00000014 00000001 b6dbb000 00000014 00000000

 3226 22:39:13.310572  <0>[   80.809919] 5fc0: 00000014 00000014 b6f02e00 00000004 00000001 00000000 00020000 be8c0ac4

 3227 22:39:13.310842  <0>[   80.818368] 5fe0: 00000004 be8c07f8 b6e6cd8f b6df37e6 800e0030 00000001 00000000 00000000

 3228 22:39:13.311070  <0>[   80.826810] Backtrace: 

 3229 22:39:13.311282  <0>[   80.829545] [<c13c73a8>] (lkdtm_WRITE_RO_AFTER_INIT) from [<c0c5727c>] (lkdtm_do_action+0x2c/0x4c)

 3230 22:39:13.311491  <0>[   80.838774]  r5:c6e59000 r4:00000029

 3231 22:39:13.354108  <0>[   80.842626] [<c0c57250>] (lkdtm_do_action) from [<c0c5777c>] (direct_entry+0x120/0x18c)

 3232 22:39:13.354600  <0>[   80.850910] [<c0c5765c>] (direct_entry) from [<c07e1728>] (full_proxy_write+0x64/0x94)

 3233 22:39:13.354894  <0>[   80.859101]  r9:c5a75f60 r8:c53900c0 r7:00000014 r6:b6dbb000 r5:c5a87400 r4:c0c5765c

 3234 22:39:13.355138  <0>[   80.867125] [<c07e16c4>] (full_proxy_write) from [<c059ba74>] (vfs_write+0x10c/0x53c)

 3235 22:39:13.355375  <0>[   80.875227]  r9:c07e16c4 r8:c5a75f60 r7:c2815800 r6:b6dbb000 r5:c5a87400 r4:00000000

 3236 22:39:13.398125  <0>[   80.883246] [<c059b968>] (vfs_write) from [<c059c020>] (ksys_write+0x74/0xec)

 3237 22:39:13.398616  <0>[   80.890653]  r10:00000004 r9:00000000 r8:00000000 r7:b6dbb000 r6:c5a74000 r5:c5a87400

 3238 22:39:13.398914  <0>[   80.898750]  r4:c5a87400

 3239 22:39:13.399153  <0>[   80.901559] [<c059bfac>] (ksys_write) from [<c059c0b0>] (sys_write+0x18/0x1c)

 3240 22:39:13.399385  <0>[   80.908968]  r9:c5a74000 r8:c03002e4 r7:00000004 r6:b6f02e00 r5:00000014 r4:00000014

 3241 22:39:13.399608  <0>[   80.916987] [<c059c098>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 3242 22:39:13.399830  <0>[   80.924826] Exception stack(0xc5a75fa8 to 0xc5a75ff0)

 3243 22:39:13.441788  <0>[   80.930148] 5fa0:                   00000014 00000014 00000001 b6dbb000 00000014 00000000

 3244 22:39:13.441943  <0>[   80.938599] 5fc0: 00000014 00000014 b6f02e00 00000004 00000001 00000000 00020000 be8c0ac4

 3245 22:39:13.442003  <0>[   80.947045] 5fe0: 00000004 be8c07f8 b6e6cd8f b6df37e6

 3246 22:39:13.442051  <0>[   80.952371] Code: e34a3bcd e30604b4 e34c01ad e0233002 (e5843000) 

 3247 22:39:13.442114  <4>[   80.958738] ---[ end trace 77357beb01f1e272 ]---

 3248 22:39:13.442175  [   80.046192] 3fc0: 00000009 00000009 b6fafe00 00000004 00000001 00000000 00020000 beb74ac4

 3249 22:39:13.485701  # [   80.054654] 3fe0: 00000004 beb747f8 b6f19d8f b6ea07e6

 3250 22:39:13.485767  # [   80.059997] Code: e34a3bcd e30604b4 e34c01ad e0233002 (e5843000) 

 3251 22:39:13.485817  # [   80.066385] ---[ end trace 77357beb01f1e271 ]---

 3252 22:39:13.485866  # WRITE_RO: missing 'call trace:': [FAIL]

 3253 22:39:13.485914  not ok 39 selftests: lkdtm: WRITE_RO.sh # exit=1

 3254 22:39:13.485962  # selftests: lkdtm: WRITE_RO_AFTER_INIT.sh

 3255 22:39:13.486013  # Segmentation fault

 3256 22:39:13.612318  # [   80.554686] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT

 3257 22:39:13.612473  # [   80.562899] lkdtm: attempting bad ro_after_init write at c1b88c60

 3258 22:39:13.612568  # [   80.572296] 8<--- cut here ---

 3259 22:39:13.612648  # [   80.578354] Unable to handle kernel paging request at virtual address c1b88c60

 3260 22:39:13.612709  # [   80.585849] pgd = 417b2fb0

 3261 22:39:13.612752  # [   80.588826] [c1b88c60] *pgd=11a1941e(bad)

 3262 22:39:13.612808  # [   80.593125] Internal error: Oops: 80d [#13] SMP ARM

 3263 22:39:13.655624  # [   80.598274] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 3264 22:39:13.656054  # [   80.627606] CPU: 0 PID: 2490 Comm: cat Tainted: G      D W         5.10.202-cip41 #1

 3265 22:39:13.656307  # [   80.635617] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 3266 22:39:13.656507  # [   80.642428] PC is at lkdtm_WRITE_RO_AFTER_INIT+0x64/0x70

 3267 22:39:13.698712  # [   80.648022] LR is at __irq_work_queue_local+0x40/0x74

 3268 22:39:13.699168  # [   80.653344] pc : [<c13c740c>]    lr : [<c049de90>]    psr: 600e0013

 3269 22:39:13.699432  # [   80.659878] sp : c5a75e50  ip : c5a75d58  fp : c5a75e64

 3270 22:39:13.699653  # [   80.665372] r10: 00000014  r9 : c1ad56bc  r8 : c15ebd0c

 3271 22:39:13.699856  # [   80.670865] r7 : c5a75f60  r6 : 00000014  r5 : c6e59000  r4 : c1b88c60

 3272 22:39:13.700060  # [   80.677659] r3 : fe67479e  r2 : 55aa55aa  r1 : ef7815e0  r0 : c1ad64b4

 3273 22:39:13.700262  # [   80.684458] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 3274 22:39:13.742008  # [   80.691861] Control: 10c5387d  Table: 169c004a  DAC: 00000051

 3275 22:39:13.742446  # [   80.697878] Process cat (pid: 2490, stack limit = 0xddfc3195)

 3276 22:39:13.742690  # [   80.703894] Stack: (0xc5a75e50 to 0xc5a76000)

 3277 22:39:13.742901  # [   80.708524] 5e40:                                     00000029 c6e59000 c5a75e74 c5a75e68

 3278 22:39:13.743115  # [   80.716975] 5e60: c0c5727c c13c73b4 c5a75e9c c5a75e78 c0c5777c c0c5725c c0c5765c c5a87400

 3279 22:39:13.743304  # [   80.725425] 5e80: b6dbb000 00000014 c53900c0 c5a75f60 c5a75ec4 c5a75ea0 c07e1728 c0c57668

 3280 22:39:13.786080  # [   80.733875] 5ea0: 00000000 c5a87400 b6dbb000 c2815800 c5a75f60 c07e16c4 c5a75f5c c5a75ec8

 3281 22:39:13.786541  # [   80.742327] 5ec0: c059ba74 c07e16d0 00000001 00000000 c059c020 c13dc868 c059c020 c5a74000

 3282 22:39:13.786818  # [   80.750775] 5ee0: b6dbb000 00020000 00000004 00000014 0001ffec c5a75ee0 00000001 b6dba000

 3283 22:39:13.787045  # [   80.759224] 5f00: c5b1d400 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 3284 22:39:13.787280  # [   80.767673] 5f20: 00000000 00000000 c13dc868 6749da2e c206c120 c5a87400 c5a87400 c5a74000

 3285 22:39:13.829986  # [   80.776123] 5f40: b6dbb000 00000000 00000000 00000004 c5a75f94 c5a75f60 c059c020 c059b974

 3286 22:39:13.830398  # [   80.784571] 5f60: 00000000 00000000 c5a75fac 6749da2e 00000014 00000014 b6f02e00 00000004

 3287 22:39:13.830649  # [   80.793020] 5f80: c03002e4 c5a74000 c5a75fa4 c5a75f98 c059c0b0 c059bfb8 00000000 c5a75fa8

 3288 22:39:13.830853  # [   80.801469] 5fa0: c03000c0 c059c0a4 00000014 00000014 00000001 b6dbb000 00000014 00000000

 3289 22:39:13.831061  # [   80.809919] 5fc0: 00000014 00000014 b6f02e00 00000004 00000001 00000000 00020000 be8c0ac4

 3290 22:39:13.874148  # [   80.818368] 5fe0: 00000004 be8c07f8 b6e6cd8f b6df37e6 800e0030 00000001 00000000 00000000

 3291 22:39:13.874567  # [   80.826810] Backtrace: 

 3292 22:39:13.874810  # [   80.829545] [<c13c73a8>] (lkdtm_WRITE_RO_AFTER_INIT) from [<c0c5727c>] (lkdtm_do_action+0x2c/0x4c)

 3293 22:39:13.875036  # [   80.838774]  r5:c6e59000 r4:00000029

 3294 22:39:13.875245  # [   80.842626] [<c0c57250>] (lkdtm_do_action) from [<c0c5777c>] (direct_entry+0x120/0x18c)

 3295 22:39:13.875451  # [   80.850910] [<c0c5765c>] (direct_entry) from [<c07e1728>] (full_proxy_write+0x64/0x94)

 3296 22:39:13.875654  # [   80.859101]  r9:c5a75f60 r8:c53900c0 r7:00000014 r6:b6dbb000 r5:c5a87400 r4:c0c5765c

 3297 22:39:13.918061  # [   80.867125] [<c07e16c4>] (full_proxy_write) from [<c059ba74>] (vfs_write+0x10c/0x53c)

 3298 22:39:13.918521  # [   80.875227]  r9:c07e16c4 r8:c5a75f60 r7:c2815800 r6:b6dbb000 r5:c5a87400 r4:00000000

 3299 22:39:13.918791  # [   80.883246] [<c059b968>] (vfs_write) from [<c059c020>] (ksys_write+0x74/0xec)

 3300 22:39:13.919022  # [   80.890653]  r10:00000004 r9:00000000 r8:00000000 r7:b6dbb000 r6:c5a74000 r5:c5a87400

 3301 22:39:13.919231  # [   80.898750]  r4:c5a87400

 3302 22:39:13.919434  # [   80.901559] [<c059bfac>] (ksys_write) from [<c059c0b0>] (sys_write+0x18/0x1c)

 3303 22:39:13.962098  # [   80.908968]  r9:c<6>[   81.455309] lkdtm: Performing direct entry WRITE_KERN

 3304 22:39:13.962556  5a74000 r8:c03002e4 r7:00000004 r<6>[   81.461959] lkdtm: attempting bad 7795348 byte write at c13c7280

 3305 22:39:13.962836  6:b6f02e00 r5:00000014 r4:0000001<1>[   81.471237] 8<--- cut here ---

 3306 22:39:13.963068  <1>[   81.477344] Unable to handle kernel paging request at virtual address c13c7280

 3307 22:39:13.963277  <1>[   81.484839] pgd = 855f887b

 3308 22:39:13.963480  <1>[   81.487815] [c13c7280] *pgd=1121940e(bad)

 3309 22:39:13.963679  <0>[   81.492114] Internal error: Oops: 80d [#14] SMP ARM

 3310 22:39:14.006111  <4>[   81.497262] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 3311 22:39:14.006583  <4>[   81.526594] CPU: 0 PID: 2565 Comm: cat Tainted: G      D W         5.10.202-cip41 #1

 3312 22:39:14.006861  <4>[   81.534605] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 3313 22:39:14.050109  <4>[   81.541412] PC is at memcpy+0x50/0x330

 3314 22:39:14.050570  <4>[   81.545433] LR is at 0xe92dd830

 3315 22:39:14.050845  <4>[   81.548845] pc : [<c08d4f10>]    lr : [<e92dd830>]    psr: 200e0013

 3316 22:39:14.051072  <4>[   81.555380] sp : c6829e2c  ip : e1a0c00d  fp : c6829e64

 3317 22:39:14.051281  <4>[   81.560874] r10: 0000000b  r9 : c1ad56d0  r8 : e89da800

 3318 22:39:14.051484  <4>[   81.566368] r7 : e8bd4000  r6 : e52de004  r5 : e24cb004  r4 : e92dd800

 3319 22:39:14.051685  <4>[   81.573164] r3 : e1a0c00d  r2 : 0076f1f4  r1 : c0c5800c  r0 : c13c7280

 3320 22:39:14.051887  <4>[   81.579962] Flags: nzCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 3321 22:39:14.094106  <4>[   81.587368] Control: 10c5387d  Table: 146bc04a  DAC: 00000051

 3322 22:39:14.094567  <0>[   81.593384] Process cat (pid: 2565, stack limit = 0x559a97e2)

 3323 22:39:14.094844  <0>[   81.599399] Stack: (0xc6829e2c to 0xc682a000)

 3324 22:39:14.095069  <0>[   81.604029] 9e20:                            c0c57fec 0076f294 c6829f60 c15ebd0c c13c7280

 3325 22:39:14.095280  <0>[   81.612479] 9e40: c13c7280 c13c7464 0000002a c6e58000 0000000b c6829f60 c6829e74 c6829e68

 3326 22:39:14.095490  <0>[   81.620927] 9e60: c0c5727c c13c7424 c6829e9c c6829e78 c0c5777c c0c5725c c0c5765c c5a87180

 3327 22:39:14.138053  <0>[   81.629376] 9e80: b6e45000 0000000b c53900c0 c6829f60 c6829ec4 c6829ea0 c07e1728 c0c57668

 3328 22:39:14.138511  <0>[   81.637826] 9ea0: 00000000 c5a87180 b6e45000 c2815800 c6829f60 c07e16c4 c6829f5c c6829ec8

 3329 22:39:14.138767  <0>[   81.646277] 9ec0: c059ba74 c07e16d0 00000001 00000000 c059c020 c13dc868 c059c020 c6828000

 3330 22:39:14.138988  <0>[   81.654727] 9ee0: b6e45000 00020000 00000004 0000000b 0001fff5 c6829ee0 00000001 b6e44000

 3331 22:39:14.139196  <0>[   81.663176] 9f00: c5d183c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 3332 22:39:14.182100  <0>[   81.671624] 9f20: 00000000 00000000 c13dc868 bed3adb4 c206c120 c5a87180 c5a87180 c6828000

 3333 22:39:14.182560  <0>[   81.680075] 9f40: b6e45000 00000000 00000000 00000004 c6829f94 c6829f60 c059c020 c059b974

 3334 22:39:14.182831  <0>[   81.688524] 9f60: 00000000 00000000 c6829fac bed3adb4 0000000b 0000000b b6f8ce00 00000004

 3335 22:39:14.183060  <0>[   81.696972] 9f80: c03002e4 c6828000 c6829fa4 c6829f98 c059c0b0 c059bfb8 00000000 c6829fa8

 3336 22:39:14.183283  <0>[   81.705420] 9fa0: c03000c0 c059c0a4 0000000b 0000000b 00000001 b6e45000 0000000b 00000000

 3337 22:39:14.226094  <0>[   81.713869] 9fc0: 0000000b 0000000b b6f8ce00 00000004 00000001 00000000 00020000 bed90ac4

 3338 22:39:14.226554  <0>[   81.722318] 9fe0: 00000004 bed907f8 b6ef6d8f b6e7d7e6 800e0030 00000001 00000000 00000000

 3339 22:39:14.226821  <0>[   81.730760] Backtrace: 

 3340 22:39:14.227048  <0>[   81.733501] [<c13c7418>] (lkdtm_WRITE_KERN) from [<c0c5727c>] (lkdtm_do_action+0x2c/0x4c)

 3341 22:39:14.227256  <0>[   81.741953]  r7:c6829f60 r6:0000000b r5:c6e58000 r4:0000002a

 3342 22:39:14.227459  <0>[   81.747888] [<c0c57250>] (lkdtm_do_action) from [<c0c5777c>] (direct_entry+0x120/0x18c)

 3343 22:39:14.270120  <0>[   81.756173] [<c0c5765c>] (direct_entry) from [<c07e1728>] (full_proxy_write+0x64/0x94)

 3344 22:39:14.270608  <0>[   81.764362]  r9:c6829f60 r8:c53900c0 r7:0000000b r6:b6e45000 r5:c5a87180 r4:c0c5765c

 3345 22:39:14.270906  <0>[   81.772386] [<c07e16c4>] (full_proxy_write) from [<c059ba74>] (vfs_write+0x10c/0x53c)

 3346 22:39:14.271155  <0>[   81.780489]  r9:c07e16c4 r8:c6829f60 r7:c2815800 r6:b6e45000 r5:c5a87180 r4:00000000

 3347 22:39:14.271368  <0>[   81.788507] [<c059b968>] (vfs_write) from [<c059c020>] (ksys_write+0x74/0xec)

 3348 22:39:14.271573  <0>[   81.795915]  r10:00000004 r9:00000000 r8:00000000 r7:b6e45000 r6:c6828000 r5:c5a87180

 3349 22:39:14.314137  <0>[   81.804012]  r4:c5a87180

 3350 22:39:14.314592  <0>[   81.806820] [<c059bfac>] (ksys_write) from [<c059c0b0>] (sys_write+0x18/0x1c)

 3351 22:39:14.314864  <0>[   81.814228]  r9:c6828000 r8:c03002e4 r7:00000004 r6:b6f8ce00 r5:0000000b r4:0000000b

 3352 22:39:14.315093  <0>[   81.822249] [<c059c098>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 3353 22:39:14.315318  <0>[   81.830086] Exception stack(0xc6829fa8 to 0xc6829ff0)

 3354 22:39:14.315544  <0>[   81.835408] 9fa0:                   0000000b 0000000b 00000001 b6e45000 0000000b 00000000

 3355 22:39:14.357933  <0>[   81.843858] 9fc0: 0000000b 0000000b b6f8ce00 00000004 00000001 00000000 00020000 bed90ac4

 3356 22:39:14.358081  <0>[   81.852305] 9fe0: 00000004 bed907f8 b6ef6d8f b6e7d7e6

 3357 22:39:14.358158  <0>[   81.857629] Code: f5d1f05c f5d1f07c e8b151f8 e2522020 (e8a051f8) 

 3358 22:39:14.358226  <4>[   81.863997] ---[ end trace 77357beb01f1e273 ]---

 3359 22:39:14.358289  4

 3360 22:39:14.358345  # [   80.916987] [<c059c098>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 3361 22:39:14.358403  # [   80.924826] Exception stack(0xc5a75fa8 to 0xc5a75ff0)

 3362 22:39:14.358457  # [   80.930148] 5fa0:                   00000014 00000014 00000001 b6dbb000 00000014 00000000

 3363 22:39:14.401869  # [   80.938599] 5fc0: 00000014 00000014 b6f02e00 00000004 00000001 00000000 00020000 be8c0ac4

 3364 22:39:14.401938  # [   80.947045] 5fe0: 00000004 be8c07f8 b6e6cd8f b6df37e6

 3365 22:39:14.401995  # [   80.952371] Code: e34a3bcd e30604b4 e34c01ad e0233002 (e5843000) 

 3366 22:39:14.402046  # [   80.958738] ---[ end trace 77357beb01f1e272 ]---

 3367 22:39:14.402101  # WRITE_RO_AFTER_INIT: missing 'call trace:': [FAIL]

 3368 22:39:14.402154  not ok 40 selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # exit=1

 3369 22:39:14.402212  # selftests: lkdtm: WRITE_KERN.sh

 3370 22:39:14.402261  # Segmentation fault

 3371 22:39:14.474251  # [   81.455309] lkdtm: Performing direct entry WRITE_KERN

 3372 22:39:14.474317  # [   81.461959] lkdtm: attempting bad 7795348 byte write at c13c7280

 3373 22:39:14.474371  # [   81.471237] 8<--- cut here ---

 3374 22:39:14.474423  # [   81.477344] Unable to handle kernel paging request at virtual address c13c7280

 3375 22:39:14.474476  # [   81.484839] pgd = 855f887b

 3376 22:39:14.474525  # [   81.487815] [c13c7280] *pgd=1121940e(bad)

 3377 22:39:14.474574  # [   81.492114] Internal error: Oops: 80d [#14] SMP ARM

 3378 22:39:14.517822  # [   81.497262] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 3379 22:39:14.517910  # [   81.526594] CPU: 0 PID: 2565 Comm: cat Tainted: G      D W         5.10.202-cip41 #1

 3380 22:39:14.517979  # [   81.534605] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 3381 22:39:14.518033  # [   81.541412] PC is at memcpy+0x50/0x330

 3382 22:39:14.518089  # [   81.545433] LR is at 0xe92dd830

 3383 22:39:14.561918  # [   81.548845] pc : [<c08d4f10>]    lr : [<e92dd830>]    psr: 200e0013

 3384 22:39:14.561976  # [   81.555380] sp : c6829e2c  ip : e1a0c00d  fp : c6829e64

 3385 22:39:14.562035  # [   81.560874] r10: 0000000b  r9 : c1ad56d0  r8 : e89da800

 3386 22:39:14.562084  # [   81.566368] r7 : e8bd4000  r6 : e52de004  r5 : e24cb004  r4 : e92dd800

 3387 22:39:14.562146  # [   81.573164] r3 : e1a0c00d  r2 : 0076f1f4  r1 : c0c5800c  r0 : c13c7280

 3388 22:39:14.562196  # [   81.579962] Flags: nzCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 3389 22:39:14.562255  # [   81.587368] Control: 10c5387d  Table: 146bc04a  DAC: 00000051

 3390 22:39:14.606100  # [   81.593384] Process cat (pid: 2565, stack limit = 0x559a97e2)

 3391 22:39:14.606537  # [   81.599399] Stack: (0xc6829e2c to 0xc682a000)

 3392 22:39:14.606787  # [   81.604029] 9e20:                            c0c57fec 0076f294 c6829f60 c15ebd0c c13c7280

 3393 22:39:14.606994  # [   81.612479] 9e40: c13c7280 c13c7464 0000002a c6e58000 0000000b c6829f60 c6829e74 c6829e68

 3394 22:39:14.607183  # [   81.620927] 9e60: c0c5727c c13c7424 c6829e9c c6829e78 c0c5777c c0c5725c c0c5765c c5a87180

 3395 22:39:14.607374  # [   81.629376] 9e80: b6e45000 0000000b c53900c0 c6829f60 c6829ec4 c6829ea0 c07e1728 c0c57668

 3396 22:39:14.650062  # [   81.637826] 9ea0: 00000000 c5a87180 b6e45000 c2815800 c6829f60 c07e16c4 c6829f5c c6829ec8

 3397 22:39:14.650473  # [   81.646277] 9ec0: c059ba74 c07e16d0 00000001 00000000 c059c020 c13dc868 c059c020 c6828000

 3398 22:39:14.650701  # [   81.654727] 9ee0: b6e45000 00020000 00000004 0000000b 0001fff5 c6829ee0 00000001 b6e44000

 3399 22:39:14.650899  # [   81.663176] 9f00: c5d183c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 3400 22:39:14.651085  # [   81.671624] 9f20: 00000000 00000000 c13dc868 bed3adb4 c206c120 c5a87180 c5a87180 c6828000

 3401 22:39:14.693980  # [   81.680075] 9f40: b6e45000 00000000 00000000 00000004 c6829f94 c6829f60 c059c020 c059b974

 3402 22:39:14.694403  # [   81.688524] 9f60: 00000000 00000000 c6829fac bed3adb4 0000000b 0000000b b6f8ce00 00000004

 3403 22:39:14.694635  # [   81.696972] 9f80: c03002e4 c6828000 c6829fa4 c6829f98 c059c0b0 c059bfb8 00000000 c6829fa8

 3404 22:39:14.694827  # [   81.705420] 9fa0: c03000c0 c059c0a4 0000000b 0000000b 00000001 b6e45000 0000000b 00000000

 3405 22:39:14.695043  # [   81.713869] 9fc0: 0000000b 0000000b b6f8ce00 00000004 00000001 00000000 00020000 bed90ac4

 3406 22:39:14.738089  # [   81.722318] 9fe0: 00000004 bed907f8 b6ef6d8f b6e7d7e6 800e0030 00000001 00000000 00000000

 3407 22:39:14.738510  # [   81.730760] Backtrace: 

 3408 22:39:14.738756  # [   81.733501] [<c13c7418>] (lkdtm_WRITE_KERN) from [<c0c5727c>] (lkdtm_do_action+0x2c/0x4c)

 3409 22:39:14.738963  # [   81.741953]  r7:c6829f60 r6:0000000b r5:c6e58000 r4:0000002a

 3410 22:39:14.739155  # [   81.747888] [<c0c57250>] (lkdtm_do_action) from [<c0c5777c>] (direct_entry+0x120/0x18c)

 3411 22:39:14.739338  # [   81.756173] [<c0c5765c>] (direct_entry) from [<c07e1728>] (full_proxy_write+0x64/0x94)

 3412 22:39:14.782077  # [   81.764362]  r9:c6829f60 r8:c53900c0 r7:0000000b r6:b6e45000 r5:c5a87180 r4:c0c5765c

 3413 22:39:14.782499  # [   81.772386] [<c07e16c4>] (full_proxy_write) from [<c059ba74>] (vfs_write+0x10c/0x53c)

 3414 22:39:14.782745  # [   81.780489]  r9:c07e16c4 r8:c6829f60 r7:c2815800 r6:b6e45000 r5:c5a87180 r4:00000000

 3415 22:39:14.782955  # [   81.788507] [<c059b968>] (vfs_write) from [<c059c020>] (ksys_write+0x74/0xec)

 3416 22:39:14.783146  # [   81.795915]  r10:00000004 r9:00000000 r8:00000000 r7:b6e45000 r6:c6828000 r5:c5a87180

 3417 22:39:14.783331  # [   81.804012]  r4:c5a87180

 3418 22:39:14.783514  # [   81.806820] [<c059bfac>] (ksys_write) from [<c059c0b0>] (sys_write+0x18/0x1c)

 3419 22:39:14.826103  # [   81.814228]  r9:c6828000 r8:c03002e4 r7:00000004 r6:b6f8ce00 r5:0000000b r4:0000000b

 3420 22:39:14.826526  # [   81.822249] [<c059c098>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 3421 22:39:14.826772  # [   81.830086] Exception stack(0xc6829fa8 to 0xc6829ff0)

 3422 22:39:14.826981  # [   81.835408] 9fa0:                   0000000b 0000000b 00000001 b6e45000 0000000b<6>[   82.346910] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW

 3423 22:39:14.827184   00000000

 3424 22:39:14.827369  # [   81.843858] 9fc0:<6>[   82.353435] lkdtm: attempting good refcount_inc() without overflow

 3425 22:39:14.870152   0000000b 0000000b b6f8ce00 00000<6>[   82.362794] lkdtm: attempting bad refcount_inc() overflow

 3426 22:39:14.870609  004 00000001 00000000 00020000 be<4>[   82.371524] ------------[ cut here ]------------

 3427 22:39:14.870883  d90ac4

 3428 22:39:14.871106  # [   81.852305] 9fe0: 00<4>[   82.379203] WARNING: CPU: 0 PID: 2641 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174

 3429 22:39:14.871320  000004 bed907f8 b6ef6d8f b6e7d7e6<4>[   82.390762] refcount_t: saturated; leaking memory.

 3430 22:39:14.871530  

 3431 22:39:14.914144  # [   81.857629] Code: f5d1f05c<4>[   82.398778] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 3432 22:39:14.914616   f5d1f07c e8b151f8 e2522020 (e8a0<4>[   82.430701] CPU: 0 PID: 2641 Comm: cat Tainted: G      D W         5.10.202-cip41 #1

 3433 22:39:14.914895  <4>[   82.441522] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 3434 22:39:14.958141  <4>[   82.448314] Backtrace: 

 3435 22:39:14.958596  <4>[   82.451044] [<c13b9678>] (dump_backtrace) from [<c13b9a38>] (show_stack+0x20/0x24)

 3436 22:39:14.958871  <4>[   82.458884]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8

 3437 22:39:14.959095  <4>[   82.464816] [<c13b9a18>] (show_stack) from [<c13c0c80>] (dump_stack+0xe0/0x100)

 3438 22:39:14.959302  <4>[   82.472401] [<c13c0ba0>] (dump_stack) from [<c03567c8>] (__warn+0x98/0x14c)

 3439 22:39:14.959505  <4>[   82.479631]  r9:00000009 r8:c0875150 r7:00000016 r6:00000009 r5:c0875150 r4:c1a29834

 3440 22:39:15.002151  <4>[   82.487643] [<c0356730>] (__warn) from [<c13bab70>] (warn_slowpath_fmt+0x8c/0xa8)

 3441 22:39:15.002610  <4>[   82.495394]  r7:00000016 r6:c1a29834 r5:c1a2980c r4:c6f08000

 3442 22:39:15.002884  <4>[   82.501326] [<c13baae8>] (warn_slowpath_fmt) from [<c0875150>] (refcount_warn_saturate+0xd4/0x174)

 3443 22:39:15.003111  <4>[   82.510555]  r9:c1ad56dc r8:c15ebd0c r7:c6f09f60 r6:00000016 r5:c6e59000 r4:c6f08000

 3444 22:39:15.003322  <4>[   82.518573] [<c087507c>] (refcount_warn_saturate) from [<c0c58300>] (__refcount_add.constprop.0+0x44/0x58)

 3445 22:39:15.046151  <4>[   82.528501] [<c0c582bc>] (__refcount_add.constprop.0) from [<c13c7894>] (lkdtm_REFCOUNT_INC_OVERFLOW+0x78/0x9c)

 3446 22:39:15.046611  <4>[   82.538859] [<c13c781c>] (lkdtm_REFCOUNT_INC_OVERFLOW) from [<c0c5727c>] (lkdtm_do_action+0x2c/0x4c)

 3447 22:39:15.046886  <4>[   82.548257]  r4:0000002b

 3448 22:39:15.047111  <4>[   82.551060] [<c0c57250>] (lkdtm_do_action) from [<c0c5777c>] (direct_entry+0x120/0x18c)

 3449 22:39:15.047326  <4>[   82.559338] [<c0c5765c>] (direct_entry) from [<c07e1728>] (full_proxy_write+0x64/0x94)

 3450 22:39:15.047534  <4>[   82.567523]  r9:c6f09f60 r8:c53900c0 r7:00000016 r6:b6e1a000 r5:c5a87a40 r4:c0c5765c

 3451 22:39:15.090152  <4>[   82.575545] [<c07e16c4>] (full_proxy_write) from [<c059ba74>] (vfs_write+0x10c/0x53c)

 3452 22:39:15.090615  <4>[   82.583642]  r9:c07e16c4 r8:c6f09f60 r7:c2815800 r6:b6e1a000 r5:c5a87a40 r4:00000000

 3453 22:39:15.090894  <4>[   82.591655] [<c059b968>] (vfs_write) from [<c059c020>] (ksys_write+0x74/0xec)

 3454 22:39:15.091119  <4>[   82.599058]  r10:00000004 r9:00000000 r8:00000000 r7:b6e1a000 r6:c6f08000 r5:c5a87a40

 3455 22:39:15.091329  <4>[   82.607151]  r4:c5a87a40

 3456 22:39:15.091532  <4>[   82.609955] [<c059bfac>] (ksys_write) from [<c059c0b0>] (sys_write+0x18/0x1c)

 3457 22:39:15.134146  <4>[   82.617358]  r9:c6f08000 r8:c03002e4 r7:00000004 r6:b6f61e00 r5:00000016 r4:00000016

 3458 22:39:15.134605  <4>[   82.625373] [<c059c098>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 3459 22:39:15.134880  <4>[   82.633208] Exception stack(0xc6f09fa8 to 0xc6f09ff0)

 3460 22:39:15.135107  <4>[   82.638527] 9fa0:                   00000016 00000016 00000001 b6e1a000 00000016 00000000

 3461 22:39:15.135316  <4>[   82.646974] 9fc0: 00000016 00000016 b6f61e00 00000004 00000001 00000000 00020000 be884ac4

 3462 22:39:15.135521  <4>[   82.655418] 9fe0: 00000004 be8847f8 b6ecbd8f b6e527e6

 3463 22:39:15.135730  51f8) 

 3464 22:39:15.178027  # [   81.863997] ---[ end<4>[   82.660803] irq event stamp: 0

 3465 22:39:15.178518   trace 77357beb01f1e273 ]---

 3466 22:39:15.178794  # W<4>[   82.667028] hardirqs last  enabled at (0): [<00000000>] 0x0

 3467 22:39:15.179058  RITE_KERN: missing 'call trace:':<4>[   82.675740] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 3468 22:39:15.179296   [FAIL]

 3469 22:39:15.179521  not ok 41 selftests: lkd<4>[   82.686359] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 3470 22:39:15.179732  tm: WRITE_KERN.sh # exit=1

 3471 22:39:15.179934  # sel<4>[   82.696983] softirqs last disabled at (0): [<00000000>] 0x0

 3472 22:39:15.222167  ftests: lkdtm: REFCOUNT_INC_OVERF<4>[   82.705691] ---[ end trace 77357beb01f1e274 ]---

 3473 22:39:15.222591  LOW.sh

 3474 22:39:15.222835  <6>[   82.713414] lkdtm: Overflow detected: saturated

 3475 22:39:15.309211  # [   82.346910] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW

 3476 22:39:15.309651  # [   82.353435] lkdtm: attempting good refcount_inc() without overflow

 3477 22:39:15.309917  # [   82.362794] lkdtm: attempting bad refcount_inc() overflow

 3478 22:39:15.310121  # [   82.371524] ------------[ cut here ]------------

 3479 22:39:15.310313  # [   82.379203] WARNING: CPU: 0 PID: 2641 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174

 3480 22:39:15.310502  # [   82.390762] refcount_t: saturated; leaking memory.

 3481 22:39:15.352114  # [   82.398778] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 3482 22:39:15.352547  # [   82.430701] CPU: 0 PID: 2641 Comm: cat Tainted: G      D W         5.10.202-cip41 #1

 3483 22:39:15.352807  # [   82.441522] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 3484 22:39:15.353009  # [   82.448314] Backtrace: 

 3485 22:39:15.395156  # [   82.451044] [<c13b9678>] (dump_backtrace) from [<c13b9a38>] (show_stack+0x20/0x24)

 3486 22:39:15.395574  # [   82.458884]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8

 3487 22:39:15.395805  # [   82.464816] [<c13b9a18>] (show_stack) from [<c13c0c80>] (dump_stack+0xe0/0x100)

 3488 22:39:15.396005  # [   82.472401] [<c13c0ba0>] (dump_stack) from [<c03567c8>] (__warn+0x98/0x14c)

 3489 22:39:15.396194  # [   82.479631]  r9:00000009 r8:c0875150 r7:00000016 r6:00000009 r5:c0875150 r4:c1a29834

 3490 22:39:15.396379  # [   82.487643] [<c0356730>] (__warn) from [<c13bab70>] (warn_slowpath_fmt+0x8c/0xa8)

 3491 22:39:15.438259  # [   82.495394]  r7:00000016 r6:c1a29834 r5:c1a2980c r4:c6f08000

 3492 22:39:15.438688  # [   82.501326] [<c13baae8>] (warn_slowpath_fmt) from [<c0875150>] (refcount_warn_saturate+0xd4/0x174)

 3493 22:39:15.438927  # [   82.510555]  r9:c1ad56dc r8:c15ebd0c r7:c6f09f60 r6:00000016 r5:c6e59000 r4:c6f08000

 3494 22:39:15.439128  # [   82.518573] [<c087507c>] (refcount_warn_saturate) from [<c0c58300>] (__refcount_add.constprop.0+0x44/0x58)

 3495 22:39:15.439321  # [   82.528501] [<c0c582bc>] (__refcount_add.constprop.0) from [<c13c7894>] (lkdtm_REFCOUNT_INC_OVERFLOW+0x78/0x9c)

 3496 22:39:15.481997  # [   82.538859] [<c13c781c>] (lkdtm_REFCOUNT_INC_OVERFLOW) from [<c0c5727c>] (lkdtm_do_action+0x2c/0x4c)

 3497 22:39:15.482411  # [   82.548257]  r4:0000002b

 3498 22:39:15.482639  # [   82.551060] [<c0c57250>] (lkdtm_do_action) from [<c0c5777c>] (direct_entry+0x120/0x18c)

 3499 22:39:15.482837  # [   82.559338] [<c0c5765c>] (direct_entry) from [<c07e1728>] (full_proxy_write+0x64/0x94)

 3500 22:39:15.483025  # [   82.567523]  r9:c6f09f60 r8:c53900c0 r7:00000016 r6:b6e1a000 r5:c5a87a40 r4:c0c5765c

 3501 22:39:15.483248  # [   82.575545] [<c07e16c4>] (full_proxy_write) from [<c059ba74>] (vfs_write+0x10c/0x53c)

 3502 22:39:15.526101  # [   82.583642]  r9:c07e16c4 r8:c6f09f60 r7:c2815800 r6:b6e1a000 r5:c5a87a40 r4:00000000

 3503 22:39:15.526524  # [   82.591655] [<c059b968>] (vfs_write) from [<c059c020>] (ksys_write+0x74/0xec)

 3504 22:39:15.526771  # [   82.599058]  r10:00000004 r9:00000000 r8:00000000 r7:b6e1a000 r6:c6f08000 r5:c5a87a40

 3505 22:39:15.526980  # [   82.607151]  r4:c5a87a40

 3506 22:39:15.527166  # [   82.609955] [<c059bfac>] (ksys_write) from [<c059c0b0>] (sys_write+0x18/0x1c)

 3507 22:39:15.527352  # [   82.617358]  r9:c6f08000 r8:c03002e4 r7:00000004 r6:b6f61e00 r5:00000016 r4:00000016

 3508 22:39:15.570106  # [   82.625373] [<c059c098>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 3509 22:39:15.570563  # [   82.633208] Exception stack(0xc6f09fa8 to 0xc6f09ff0)

 3510 22:39:15.570843  # [   82.638527] 9fa0:                   00000016 00000016 00000001 b6e1a000 00000016 00000000

 3511 22:39:15.571066  # [   82.646974] 9fc0: 00000016 00000016 b6f61e00 00000004 00000001 00000000 00020000 be884ac4

 3512 22:39:15.571279  # [   82.655418] 9fe0: 00000004 be8847f8 b6ecbd8f b6e527e6

 3513 22:39:15.571486  # [   82.660803] irq event stamp: 0

 3514 22:39:15.571686  # [   82.667028] hardirqs last  enabled at (0): [<00000000>] 0x0

 3515 22:39:15.613950  # [   82.675740] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 3516 22:39:15.614421  # [   82.686359] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 3517 22:39:15.614737  # [   82.696983] softirqs last disabled at (0): [<00000000>] 0x0

 3518 22:39:15.615021  # [   82.705691] ---[ end trace 77357beb01f1e27<6>[   83.129807] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW

 3519 22:39:15.615310  4 ]---

 3520 22:39:15.615596  # [   82.713414] lkdtm: O<6>[   83.137844] lkdtm: attempting good refcount_add() without overflow

 3521 22:39:15.615904  verflow detected: saturated

 3522 22:39:15.658072  # RE<6>[   83.147069] lkdtm: attempting bad refcount_add() overflow

 3523 22:39:15.658494  FCOUNT_INC_OVERFLOW: missing 'cal<4>[   83.155688] ------------[ cut here ]------------

 3524 22:39:15.658744  l trace:': [FAIL]

 3525 22:39:15.658951  not ok 42 self<4>[   83.163337] WARNING: CPU: 1 PID: 2676 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174

 3526 22:39:15.659147  tests: lkdtm: REFCOUNT_INC_OVERFL<4>[   83.174903] refcount_t: saturated; leaking memory.

 3527 22:39:15.659336  OW.sh # exit=1

 3528 22:39:15.702067  # selftests: lkdt<4>[   83.182764] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 3529 22:39:15.702499  m: REFCOUNT_ADD_OVERFLOW.sh

 3530 22:39:15.702744  <4>[   83.214783] CPU: 1 PID: 2676 Comm: cat Tainted: G      D W         5.10.202-cip41 #1

 3531 22:39:15.702958  <4>[   83.225248] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 3532 22:39:15.703151  <4>[   83.232041] Backtrace: 

 3533 22:39:15.746092  <4>[   83.234770] [<c13b9678>] (dump_backtrace) from [<c13b9a38>] (show_stack+0x20/0x24)

 3534 22:39:15.746554  <4>[   83.242610]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8

 3535 22:39:15.746825  <4>[   83.248543] [<c13b9a18>] (show_stack) from [<c13c0c80>] (dump_stack+0xe0/0x100)

 3536 22:39:15.747054  <4>[   83.256127] [<c13c0ba0>] (dump_stack) from [<c03567c8>] (__warn+0x98/0x14c)

 3537 22:39:15.747262  <4>[   83.263357]  r9:00000009 r8:c0875150 r7:00000016 r6:00000009 r5:c0875150 r4:c1a29834

 3538 22:39:15.747466  <4>[   83.271374] [<c0356730>] (__warn) from [<c13bab70>] (warn_slowpath_fmt+0x8c/0xa8)

 3539 22:39:15.790098  <4>[   83.279125]  r7:00000016 r6:c1a29834 r5:c1a2980c r4:c6f16000

 3540 22:39:15.790559  <4>[   83.285058] [<c13baae8>] (warn_slowpath_fmt) from [<c0875150>] (refcount_warn_saturate+0xd4/0x174)

 3541 22:39:15.790827  <4>[   83.294286]  r9:c1ad56f4 r8:c15ebd0c r7:c6f17f60 r6:00000016 r5:c466a000 r4:c6f16000

 3542 22:39:15.791054  <4>[   83.302304] [<c087507c>] (refcount_warn_saturate) from [<c0c58300>] (__refcount_add.constprop.0+0x44/0x58)

 3543 22:39:15.791269  <4>[   83.312233] [<c0c582bc>] (__refcount_add.constprop.0) from [<c13c793c>] (lkdtm_REFCOUNT_ADD_OVERFLOW+0x84/0xa8)

 3544 22:39:15.834099  <4>[   83.322592] [<c13c78b8>] (lkdtm_REFCOUNT_ADD_OVERFLOW) from [<c0c5727c>] (lkdtm_do_action+0x2c/0x4c)

 3545 22:39:15.834562  <4>[   83.331989]  r4:0000002c

 3546 22:39:15.834833  <4>[   83.334793] [<c0c57250>] (lkdtm_do_action) from [<c0c5777c>] (direct_entry+0x120/0x18c)

 3547 22:39:15.835064  <4>[   83.343071] [<c0c5765c>] (direct_entry) from [<c07e1728>] (full_proxy_write+0x64/0x94)

 3548 22:39:15.835274  <4>[   83.351255]  r9:c6f17f60 r8:c53900c0 r7:00000016 r6:b6dbf000 r5:c5b1c140 r4:c0c5765c

 3549 22:39:15.835480  <4>[   83.359274] [<c07e16c4>] (full_proxy_write) from [<c059ba74>] (vfs_write+0x10c/0x53c)

 3550 22:39:15.878104  <4>[   83.367373]  r9:c07e16c4 r8:c6f17f60 r7:c2815800 r6:b6dbf000 r5:c5b1c140 r4:00000000

 3551 22:39:15.878559  <4>[   83.375384] [<c059b968>] (vfs_write) from [<c059c020>] (ksys_write+0x74/0xec)

 3552 22:39:15.878826  <4>[   83.382790]  r10:00000004 r9:00000000 r8:00000000 r7:b6dbf000 r6:c6f16000 r5:c5b1c140

 3553 22:39:15.879058  <4>[   83.390884]  r4:c5b1c140

 3554 22:39:15.879267  <4>[   83.393688] [<c059bfac>] (ksys_write) from [<c059c0b0>] (sys_write+0x18/0x1c)

 3555 22:39:15.879475  <4>[   83.401092]  r9:c6f16000 r8:c03002e4 r7:00000004 r6:b6f06e00 r5:00000016 r4:00000016

 3556 22:39:15.921822  <4>[   83.409107] [<c059c098>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 3557 22:39:15.922001  <4>[   83.416943] Exception stack(0xc6f17fa8 to 0xc6f17ff0)

 3558 22:39:15.922071  <4>[   83.422264] 7fa0:                   00000016 00000016 00000001 b6dbf000 00000016 00000000

 3559 22:39:15.922120  <4>[   83.430711] 7fc0: 00000016 00000016 b6f06e00 00000004 00000001 00000000 00020000 bedbdac4

 3560 22:39:15.922182  <4>[   83.439157] 7fe0: 00000004 bedbd7f8 b6e70d8f b6df77e6

 3561 22:39:15.922234  <4>[   83.444520] irq event stamp: 0

 3562 22:39:15.922285  <4>[   83.447858] hardirqs last  enabled at (0): [<00000000>] 0x0

 3563 22:39:15.966148  <4>[   83.453733] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 3564 22:39:15.966567  <4>[   83.461494] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 3565 22:39:15.966817  <4>[   83.469288] softirqs last disabled at (0): [<00000000>] 0x0

 3566 22:39:15.967020  <4>[   83.475170] ---[ end trace 77357beb01f1e275 ]---

 3567 22:39:15.967212  <6>[   83.480067] lkdtm: Overflow detected: saturated

 3568 22:39:16.067200  # [   83.129807] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW

 3569 22:39:16.067668  # [   83.137844] lkdtm: attempting good refcount_add() without overflow

 3570 22:39:16.067936  # [   83.147069] lkdtm: attempting bad refcount_add() overflow

 3571 22:39:16.068160  # [   83.155688] ------------[ cut here ]------------

 3572 22:39:16.068370  # [   83.163337] WARNING: CPU: 1 PID: 2676 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174

 3573 22:39:16.068577  # [   83.174903] refcount_t: saturated; leaking memory.

 3574 22:39:16.110202  # [   83.182764] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 3575 22:39:16.110662  # [   83.214783] CPU: 1 PID: 2676 Comm: cat Tainted: G      D W         5.10.202-cip41 #1

 3576 22:39:16.110986  # [   83.225248] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 3577 22:39:16.111266  # [   83.232041] Backtrace: 

 3578 22:39:16.154033  # [   83.234770] [<c13b9678>] (dump_backtrace) from [<c13b9a38>] (show_stack+0x20/0x24)

 3579 22:39:16.154473  # [   83.242610]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8

 3580 22:39:16.154729  # [   83.248543] [<c13b9a18>] (show_stack) from [<c13c0c80>] (dump_stack+0xe0/0x100)

 3581 22:39:16.154949  # [   83.256127] [<c13c0ba0>] (dump_stack) from [<c03567c8>] (__warn+0x98/0x14c)

 3582 22:39:16.155187  # [   83.263357]  r9:00000009 r8:c0875150 r7:00000016 r6:00000009 r5:c0875150 r4:c1a29834

 3583 22:39:16.155435  # [   83.271374] [<c0356730>] (__warn) from [<c13bab70>] (warn_slowpath_fmt+0x8c/0xa8)

 3584 22:39:16.197997  # [   83.279125]  r7:00000016 r6:c1a29834 r5:c1a2980c r4:c6f16000

 3585 22:39:16.198416  # [   83.285058] [<c13baae8>] (warn_slowpath_fmt) from [<c0875150>] (refcount_warn_saturate+0xd4/0x174)

 3586 22:39:16.198667  # [   83.294286]  r9:c1ad56f4 r8:c15ebd0c r7:c6f17f60 r6:00000016 r5:c466a000 r4:c6f16000

 3587 22:39:16.198875  # [   83.302304] [<c087507c>] (refcount_warn_saturate) from [<c0c58300>] (__refcount_add.constprop.0+0x44/0x58)

 3588 22:39:16.199067  # [   83.312233] [<c0c582bc>] (__refcount_add.constprop.0) from [<c13c793c>] (lkdtm_REFCOUNT_ADD_OVERFLOW+0x84/0xa8)

 3589 22:39:16.242041  # [   83.322592] [<c13c78b8>] (lkdtm_REFCOUNT_ADD_OVERFLOW) from [<c0c5727c>] (lkdtm_do_action+0x2c/0x4c)

 3590 22:39:16.242455  # [   83.331989]  r4:0000002c

 3591 22:39:16.242739  # [   83.334793] [<c0c57250>] (lkdtm_do_action) from [<c0c5777c>] (direct_entry+0x120/0x18c)

 3592 22:39:16.242944  # [   83.343071] [<c0c5765c>] (direct_entry) from [<c07e1728>] (full_proxy_write+0x64/0x94)

 3593 22:39:16.243132  # [   83.351255]  r9:c6f17f60 r8:c53900c0 r7:00000016 r6:b6dbf000 r5:c5b1c140 r4:c0c5765c

 3594 22:39:16.243315  # [   83.359274] [<c07e16c4>] (full_proxy_write) from [<c059ba74>] (vfs_write+0x10c/0x53c)

 3595 22:39:16.286066  # [   83.367373]  r9:c07e16c4 r8:c6f17f60 r7:c2815800 r6:b6dbf000 r5:c5b1c140 r4:00000000

 3596 22:39:16.286489  # [   83.375384] [<c059b968>] (vfs_write) from [<c059c020>] (ksys_write+0x74/0xec)

 3597 22:39:16.286733  # [   83.382790]  r10:00000004 r9:00000000 r8:00000000 r7:b6dbf000 r6:c6f16000 r5:c5b1c140

 3598 22:39:16.286949  # [   83.390884]  r4:c5b1c140

 3599 22:39:16.287139  # [   83.393688] [<c059bfac>] (ksys_write) from [<c059c0b0>] (sys_write+0x18/0x1c)

 3600 22:39:16.287354  # [   83.401092]  r9:c6f16000 r8:c03002e4 r7:00000004 r6:b6f06e00 r5:00000016 r4:00000016

 3601 22:39:16.330106  # [   83.409107] [<c059c098>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 3602 22:39:16.330565  # [   83.416943] Exception stack(0xc6f17fa8 to 0xc6f17ff0)

 3603 22:39:16.330945  # [   83.422264] 7fa0:                   00000016 00000016 00000001 b6dbf000 00000016 00000000

 3604 22:39:16.331254  # [   83.430711] 7fc0: 00000016 00000016 b6f06e00 00000004 00000001 00000000 00020000 bedbdac4

 3605 22:39:16.331550  # [   83.439157] 7fe0: 00000004 bedbd7f8 b6e70d8f b6df77e6

 3606 22:39:16.331825  # [   83.444520] irq event stamp: 0

 3607 22:39:16.332107  # [   83.447858] hardirqs last  enabled at (0): [<00000000>] 0x0

 3608 22:39:16.374055  # [   83.453733] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 3609 22:39:16.374477  # [   83.461494] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 3610 22:39:16.374727  # [   83.469288] softirqs last disabled at (0): [<00000000>] 0x0

 3611 22:39:16.374946  # [   83.475170] ---[ end trace 77357b<6>[   83.888617] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW

 3612 22:39:16.375166  eb01f1e275 ]---

 3613 22:39:16.375369  # [   83.480067]<6>[   83.898080] lkdtm: attempting bad refcount_inc_not_zero() overflow

 3614 22:39:16.418090   lkdtm: Overflow detected: satura<4>[   83.907455] ------------[ cut here ]------------

 3615 22:39:16.418507  ted

 3616 22:39:16.418737  # REFCOUNT_ADD_OVERFLOW: mis<4>[   83.915240] WARNING: CPU: 0 PID: 2711 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174

 3617 22:39:16.418941  sing 'call trace:': [FAIL]

 3618 22:39:16.419162  not o<4>[   83.926773] refcount_t: saturated; leaking memory.

 3619 22:39:16.462106  k 43 selftests: lkdtm: REFCOUNT_A<4>[   83.934709] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 3620 22:39:16.462577  DD_OVERFLOW.sh # exit=1

 3621 22:39:16.462837  # selfte<4>[   83.966694] CPU: 0 PID: 2711 Comm: cat Tainted: G      D W         5.10.202-cip41 #1

 3622 22:39:16.463062  <4>[   83.977517] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 3623 22:39:16.463275  <4>[   83.984310] Backtrace: 

 3624 22:39:16.463478  <4>[   83.987038] [<c13b9678>] (dump_backtrace) from [<c13b9a38>] (show_stack+0x20/0x24)

 3625 22:39:16.506099  <4>[   83.994879]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8

 3626 22:39:16.506558  <4>[   84.000810] [<c13b9a18>] (show_stack) from [<c13c0c80>] (dump_stack+0xe0/0x100)

 3627 22:39:16.506833  <4>[   84.008394] [<c13c0ba0>] (dump_stack) from [<c03567c8>] (__warn+0x98/0x14c)

 3628 22:39:16.507060  <4>[   84.015626]  r9:00000009 r8:c087511c r7:00000013 r6:00000009 r5:c087511c r4:c1a29834

 3629 22:39:16.507270  <4>[   84.023638] [<c0356730>] (__warn) from [<c13bab70>] (warn_slowpath_fmt+0x8c/0xa8)

 3630 22:39:16.507477  <4>[   84.031388]  r7:00000013 r6:c1a29834 r5:c1a2980c r4:c2fb2000

 3631 22:39:16.550093  <4>[   84.037320] [<c13baae8>] (warn_slowpath_fmt) from [<c087511c>] (refcount_warn_saturate+0xa0/0x174)

 3632 22:39:16.550551  <4>[   84.046548]  r9:c1ad570c r8:c15ebd0c r7:c2fb3f60 r6:0000001f r5:c5c09000 r4:7fffffff

 3633 22:39:16.550822  <4>[   84.054566] [<c087507c>] (refcount_warn_saturate) from [<c13c7808>] (__refcount_add_not_zero.constprop.0+0x64/0x78)

 3634 22:39:16.551055  <4>[   84.065274] [<c13c77a4>] (__refcount_add_not_zero.constprop.0) from [<c13c79b0>] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x50/0x88)

 3635 22:39:16.551263  <4>[   84.077188]  r5:c5c09000 r4:c2fb2000

 3636 22:39:16.594207  <4>[   84.081037] [<c13c7960>] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW) from [<c0c5727c>] (lkdtm_do_action+0x2c/0x4c)

 3637 22:39:16.594669  <4>[   84.091215]  r4:0000002d

 3638 22:39:16.594948  <4>[   84.094018] [<c0c57250>] (lkdtm_do_action) from [<c0c5777c>] (direct_entry+0x120/0x18c)

 3639 22:39:16.595174  <4>[   84.102297] [<c0c5765c>] (direct_entry) from [<c07e1728>] (full_proxy_write+0x64/0x94)

 3640 22:39:16.595385  <4>[   84.110483]  r9:c2fb3f60 r8:c53900c0 r7:0000001f r6:b6e68000 r5:c5a14a00 r4:c0c5765c

 3641 22:39:16.595591  <4>[   84.118503] [<c07e16c4>] (full_proxy_write) from [<c059ba74>] (vfs_write+0x10c/0x53c)

 3642 22:39:16.638190  <4>[   84.126601]  r9:c07e16c4 r8:c2fb3f60 r7:c2815800 r6:b6e68000 r5:c5a14a00 r4:00000000

 3643 22:39:16.638652  <4>[   84.134615] [<c059b968>] (vfs_write) from [<c059c020>] (ksys_write+0x74/0xec)

 3644 22:39:16.638925  <4>[   84.142019]  r10:00000004 r9:00000000 r8:00000000 r7:b6e68000 r6:c2fb2000 r5:c5a14a00

 3645 22:39:16.639150  <4>[   84.150113]  r4:c5a14a00

 3646 22:39:16.639359  <4>[   84.152917] [<c059bfac>] (ksys_write) from [<c059c0b0>] (sys_write+0x18/0x1c)

 3647 22:39:16.639566  <4>[   84.160322]  r9:c2fb2000 r8:c03002e4 r7:00000004 r6:b6fafe00 r5:0000001f r4:0000001f

 3648 22:39:16.682160  <4>[   84.168337] [<c059c098>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 3649 22:39:16.682625  <4>[   84.176171] Exception stack(0xc2fb3fa8 to 0xc2fb3ff0)

 3650 22:39:16.682904  <4>[   84.181491] 3fa0:                   0000001f 0000001f 00000001 b6e68000 0000001f 00000000

 3651 22:39:16.683127  <4>[   84.189938] 3fc0: 0000001f 0000001f b6fafe00 00000004 00000001 00000000 00020000 beca6ac4

 3652 22:39:16.683337  <4>[   84.198383] 3fe0: 00000004 beca67f8 b6f19d8f b6ea07e6

 3653 22:39:16.683543  sts: lkdtm: REFCOUNT_INC_NOT_ZERO<4>[   84.203760] irq event stamp: 0

 3654 22:39:16.683746  _OVERFLOW.sh

 3655 22:39:16.726074  <4>[   84.209931] hardirqs last  enabled at (0): [<00000000>] 0x0

 3656 22:39:16.726510  <4>[   84.216980] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 3657 22:39:16.726761  <4>[   84.224760] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 3658 22:39:16.726978  <4>[   84.232514] softirqs last disabled at (0): [<00000000>] 0x0

 3659 22:39:16.727186  <4>[   84.238377] ---[ end trace 77357beb01f1e276 ]---

 3660 22:39:16.727391  <6>[   84.243266] lkdtm: Overflow detected: saturated

 3661 22:39:16.836607  # [   83.888617] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW

 3662 22:39:16.837054  # [   83.898080] lkdtm: attempting bad refcount_inc_not_zero() overflow

 3663 22:39:16.837306  # [   83.907455] ------------[ cut here ]------------

 3664 22:39:16.837527  # [   83.915240] WARNING: CPU: 0 PID: 2711 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174

 3665 22:39:16.837813  # [   83.926773] refcount_t: saturated; leaking memory.

 3666 22:39:16.879823  # [   83.934709] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 3667 22:39:16.880351  # [   83.966694] CPU: 0 PID: 2711 Comm: cat Tainted: G      D W         5.10.202-cip41 #1

 3668 22:39:16.880635  # [   83.977517] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 3669 22:39:16.880856  # [   83.984310] Backtrace: 

 3670 22:39:16.881064  # [   83.987038] [<c13b9678>] (dump_backtrace) from [<c13b9a38>] (show_stack+0x20/0x24)

 3671 22:39:16.922690  # [   83.994879]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8

 3672 22:39:16.923132  # [   84.000810] [<c13b9a18>] (show_stack) from [<c13c0c80>] (dump_stack+0xe0/0x100)

 3673 22:39:16.923375  # [   84.008394] [<c13c0ba0>] (dump_stack) from [<c03567c8>] (__warn+0x98/0x14c)

 3674 22:39:16.923574  # [   84.015626]  r9:00000009 r8:c087511c r7:00000013 r6:00000009 r5:c087511c r4:c1a29834

 3675 22:39:16.923764  # [   84.023638] [<c0356730>] (__warn) from [<c13bab70>] (warn_slowpath_fmt+0x8c/0xa8)

 3676 22:39:16.923949  # [   84.031388]  r7:00000013 r6:c1a29834 r5:c1a2980c r4:c2fb2000

 3677 22:39:16.965972  # [   84.037320] [<c13baae8>] (warn_slowpath_fmt) from [<c087511c>] (refcount_warn_saturate+0xa0/0x174)

 3678 22:39:16.966393  # [   84.046548]  r9:c1ad570c r8:c15ebd0c r7:c2fb3f60 r6:0000001f r5:c5c09000 r4:7fffffff

 3679 22:39:16.966625  # [   84.054566] [<c087507c>] (refcount_warn_saturate) from [<c13c7808>] (__refcount_add_not_zero.constprop.0+0x64/0x78)

 3680 22:39:16.966853  # [   84.065274] [<c13c77a4>] (__refcount_add_not_zero.constprop.0) from [<c13c79b0>] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x50/0x88)

 3681 22:39:16.967082  # [   84.077188]  r5:c5c09000 r4:c2fb2000

 3682 22:39:17.009994  # [   84.081037] [<c13c7960>] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW) from [<c0c5727c>] (lkdtm_do_action+0x2c/0x4c)

 3683 22:39:17.010409  # [   84.091215]  r4:0000002d

 3684 22:39:17.010640  # [   84.094018] [<c0c57250>] (lkdtm_do_action) from [<c0c5777c>] (direct_entry+0x120/0x18c)

 3685 22:39:17.010843  # [   84.102297] [<c0c5765c>] (direct_entry) from [<c07e1728>] (full_proxy_write+0x64/0x94)

 3686 22:39:17.011029  # [   84.110483]  r9:c2fb3f60 r8:c53900c0 r7:0000001f r6:b6e68000 r5:c5a14a00 r4:c0c5765c

 3687 22:39:17.011281  # [   84.118503] [<c07e16c4>] (full_proxy_write) from [<c059ba74>] (vfs_write+0x10c/0x53c)

 3688 22:39:17.054089  # [   84.126601]  r9:c07e16c4 r8:c2fb3f60 r7:c2815800 r6:b6e68000 r5:c5a14a00 r4:00000000

 3689 22:39:17.054550  # [   84.134615] [<c059b968>] (vfs_write) from [<c059c020>] (ksys_write+0x74/0xec)

 3690 22:39:17.054825  # [   84.142019]  r10:00000004 r9:00000000 r8:00000000 r7:b6e68000 r6:c2fb2000 r5:c5a14a00

 3691 22:39:17.055051  # [   84.150113]  r4:c5a14a00

 3692 22:39:17.055260  # [   84.152917] [<c059bfac>] (ksys_write) from [<c059c0b0>] (sys_write+0x18/0x1c)

 3693 22:39:17.055465  # [   84.160322]  r9:c2fb2000 r8:c03002e4 r7:00000004 r6:b6fafe00 r5:0000001f r4:0000001f

 3694 22:39:17.098097  # [   84.168337] [<c059c098>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 3695 22:39:17.098559  # [   84.176171] Exception stack(0xc2fb3fa8 to 0xc2fb3ff0)

 3696 22:39:17.098834  # [   84.181491] 3fa0:                   0000001f 0000001f 00000001 b6e68000 0000001f 00000000

 3697 22:39:17.099065  # [   84.189938] 3fc0: 0000001f 0000001f b6fafe00 00000004 00000001 00000000 00020000 beca6ac4

 3698 22:39:17.099275  # [   84.198383] 3fe0: 00000004 beca67f8 b6f19d8f b6ea07e6

 3699 22:39:17.099480  # [   84.203760] irq event stamp: 0

 3700 22:39:17.099682  # [   84.209931] hardirqs last  enabled at (0): [<00000000>] 0x0

 3701 22:39:17.142061  # [   84.216980] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 3702 22:39:17.142483  # [   84.224760] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 3703 22:39:17.142724  # [   84.232514] softirqs last disabled at (0): [<00000000>] 0x0

 3704 22:39:17.142937  # [   84.238377] ---[ end trace 77357beb01f1e276 ]---

 3705 22:39:17.143125  # [   84.243266] lkdtm: Overflow detected: saturated

 3706 22:39:17.143307  #<6>[   84.668438] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW

 3707 22:39:17.186097   REFCOUNT_INC_NOT_ZERO_OVERFLOW: <6>[   84.675966] lkdtm: attempting bad refcount_add_not_zero() overflow

 3708 22:39:17.186556  missing 'call trace:': [FAIL]

 3709 22:39:17.186825  no<4>[   84.685207] ------------[ cut here ]------------

 3710 22:39:17.187057  t ok 44 selftests: lkdtm: REFCOUN<4>[   84.692914] WARNING: CPU: 1 PID: 2746 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174

 3711 22:39:17.187271  T_INC_NOT_ZERO_OVERFLOW.sh # exit<4>[   84.704596] refcount_t: saturated; leaking memory.

 3712 22:39:17.187479  =1

 3713 22:39:17.230097  # selftests: lkdtm: REFCOUNT_<4>[   84.712390] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 3714 22:39:17.230562  ADD_NOT_ZERO_OVERFLOW.sh

 3715 22:39:17.230831  <4>[   84.744449] CPU: 1 PID: 2746 Comm: cat Tainted: G      D W         5.10.202-cip41 #1

 3716 22:39:17.231061  <4>[   84.754592] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 3717 22:39:17.231273  <4>[   84.761385] Backtrace: 

 3718 22:39:17.274097  <4>[   84.764115] [<c13b9678>] (dump_backtrace) from [<c13b9a38>] (show_stack+0x20/0x24)

 3719 22:39:17.274559  <4>[   84.771954]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8

 3720 22:39:17.274829  <4>[   84.777888] [<c13b9a18>] (show_stack) from [<c13c0c80>] (dump_stack+0xe0/0x100)

 3721 22:39:17.275060  <4>[   84.785473] [<c13c0ba0>] (dump_stack) from [<c03567c8>] (__warn+0x98/0x14c)

 3722 22:39:17.275265  <4>[   84.792705]  r9:00000009 r8:c087511c r7:00000013 r6:00000009 r5:c087511c r4:c1a29834

 3723 22:39:17.275470  <4>[   84.800718] [<c0356730>] (__warn) from [<c13bab70>] (warn_slowpath_fmt+0x8c/0xa8)

 3724 22:39:17.318103  <4>[   84.808469]  r7:00000013 r6:c1a29834 r5:c1a2980c r4:c6e00000

 3725 22:39:17.318562  <4>[   84.814400] [<c13baae8>] (warn_slowpath_fmt) from [<c087511c>] (refcount_warn_saturate+0xa0/0x174)

 3726 22:39:17.318838  <4>[   84.823626]  r9:c1ad572c r8:c15ebd0c r7:c6e01f60 r6:0000001f r5:c6ea5000 r4:7fffffff

 3727 22:39:17.319068  <4>[   84.831643] [<c087507c>] (refcount_warn_saturate) from [<c13c7808>] (__refcount_add_not_zero.constprop.0+0x64/0x78)

 3728 22:39:17.319280  <4>[   84.842351] [<c13c77a4>] (__refcount_add_not_zero.constprop.0) from [<c13c7a38>] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x50/0x88)

 3729 22:39:17.362101  <4>[   84.854264]  r5:c6ea5000 r4:c6e00000

 3730 22:39:17.362562  <4>[   84.858113] [<c13c79e8>] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW) from [<c0c5727c>] (lkdtm_do_action+0x2c/0x4c)

 3731 22:39:17.362832  <4>[   84.868290]  r4:0000002e

 3732 22:39:17.363054  <4>[   84.871094] [<c0c57250>] (lkdtm_do_action) from [<c0c5777c>] (direct_entry+0x120/0x18c)

 3733 22:39:17.363266  <4>[   84.879371] [<c0c5765c>] (direct_entry) from [<c07e1728>] (full_proxy_write+0x64/0x94)

 3734 22:39:17.363471  <4>[   84.887557]  r9:c6e01f60 r8:c53900c0 r7:0000001f r6:b6dd3000 r5:c4272b40 r4:c0c5765c

 3735 22:39:17.406103  <4>[   84.895575] [<c07e16c4>] (full_proxy_write) from [<c059ba74>] (vfs_write+0x10c/0x53c)

 3736 22:39:17.406564  <4>[   84.903674]  r9:c07e16c4 r8:c6e01f60 r7:c2815800 r6:b6dd3000 r5:c4272b40 r4:00000000

 3737 22:39:17.406840  <4>[   84.911686] [<c059b968>] (vfs_write) from [<c059c020>] (ksys_write+0x74/0xec)

 3738 22:39:17.407067  <4>[   84.919090]  r10:00000004 r9:00000000 r8:00000000 r7:b6dd3000 r6:c6e00000 r5:c4272b40

 3739 22:39:17.407272  <4>[   84.927183]  r4:c4272b40

 3740 22:39:17.407475  <4>[   84.929986] [<c059bfac>] (ksys_write) from [<c059c0b0>] (sys_write+0x18/0x1c)

 3741 22:39:17.450101  <4>[   84.937390]  r9:c6e00000 r8:c03002e4 r7:00000004 r6:b6f1ae00 r5:0000001f r4:0000001f

 3742 22:39:17.450558  <4>[   84.945405] [<c059c098>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 3743 22:39:17.450828  <4>[   84.953239] Exception stack(0xc6e01fa8 to 0xc6e01ff0)

 3744 22:39:17.451058  <4>[   84.958560] 1fa0:                   0000001f 0000001f 00000001 b6dd3000 0000001f 00000000

 3745 22:39:17.451265  <4>[   84.967006] 1fc0: 0000001f 0000001f b6f1ae00 00000004 00000001 00000000 00020000 bedfeac4

 3746 22:39:17.451467  <4>[   84.975450] 1fe0: 00000004 bedfe7f8 b6e84d8f b6e0b7e6

 3747 22:39:17.451668  <4>[   84.980820] irq event stamp: 0

 3748 22:39:17.493777  <4>[   84.984175] hardirqs last  enabled at (0): [<00000000>] 0x0

 3749 22:39:17.493924  <4>[   84.990026] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 3750 22:39:17.493988  <4>[   84.997817] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 3751 22:39:17.494046  <4>[   85.005611] softirqs last disabled at (0): [<00000000>] 0x0

 3752 22:39:17.494094  <4>[   85.011466] ---[ end trace 77357beb01f1e277 ]---

 3753 22:39:17.494145  <6>[   85.016413] lkdtm: Overflow detected: saturated

 3754 22:39:17.627149  # [   84.668438] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW

 3755 22:39:17.627603  # [   84.675966] lkdtm: attempting bad refcount_add_not_zero() overflow

 3756 22:39:17.627871  # [   84.685207] ------------[ cut here ]------------

 3757 22:39:17.628089  # [   84.692914] WARNING: CPU: 1 PID: 2746 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174

 3758 22:39:17.628298  # [   84.704596] refcount_t: saturated; leaking memory.

 3759 22:39:17.670096  # [   84.712390] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 3760 22:39:17.670570  # [   84.744449] CPU: 1 PID: 2746 Comm: cat Tainted: G      D W         5.10.202-cip41 #1

 3761 22:39:17.670884  # [   84.754592] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 3762 22:39:17.671115  # [   84.761385] Backtrace: 

 3763 22:39:17.671324  # [   84.764115] [<c13b9678>] (dump_backtrace) from [<c13b9a38>] (show_stack+0x20/0x24)

 3764 22:39:17.714004  # [   84.771954]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8

 3765 22:39:17.714417  # [   84.777888] [<c13b9a18>] (show_stack) from [<c13c0c80>] (dump_stack+0xe0/0x100)

 3766 22:39:17.714640  # [   84.785473] [<c13c0ba0>] (dump_stack) from [<c03567c8>] (__warn+0x98/0x14c)

 3767 22:39:17.714838  # [   84.792705]  r9:00000009 r8:c087511c r7:00000013 r6:00000009 r5:c087511c r4:c1a29834

 3768 22:39:17.715029  # [   84.800718] [<c0356730>] (__warn) from [<c13bab70>] (warn_slowpath_fmt+0x8c/0xa8)

 3769 22:39:17.715215  # [   84.808469]  r7:00000013 r6:c1a29834 r5:c1a2980c r4:c6e00000

 3770 22:39:17.758007  # [   84.814400] [<c13baae8>] (warn_slowpath_fmt) from [<c087511c>] (refcount_warn_saturate+0xa0/0x174)

 3771 22:39:17.758423  # [   84.823626]  r9:c1ad572c r8:c15ebd0c r7:c6e01f60 r6:0000001f r5:c6ea5000 r4:7fffffff

 3772 22:39:17.758653  # [   84.831643] [<c087507c>] (refcount_warn_saturate) from [<c13c7808>] (__refcount_add_not_zero.constprop.0+0x64/0x78)

 3773 22:39:17.758857  # [   84.842351] [<c13c77a4>] (__refcount_add_not_zero.constprop.0) from [<c13c7a38>] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x50/0x88)

 3774 22:39:17.759048  # [   84.854264]  r5:c6ea5000 r4:c6e00000

 3775 22:39:17.802005  # [   84.858113] [<c13c79e8>] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW) from [<c0c5727c>] (lkdtm_do_action+0x2c/0x4c)

 3776 22:39:17.802420  # [   84.868290]  r4:0000002e

 3777 22:39:17.802645  # [   84.871094] [<c0c57250>] (lkdtm_do_action) from [<c0c5777c>] (direct_entry+0x120/0x18c)

 3778 22:39:17.802844  # [   84.879371] [<c0c5765c>] (direct_entry) from [<c07e1728>] (full_proxy_write+0x64/0x94)

 3779 22:39:17.803033  # [   84.887557]  r9:c6e01f60 r8:c53900c0 r7:0000001f r6:b6dd3000 r5:c4272b40 r4:c0c5765c

 3780 22:39:17.803308  # [   84.895575] [<c07e16c4>] (full_proxy_write) from [<c059ba74>] (vfs_write+0x10c/0x53c)

 3781 22:39:17.849963  # [   84.903674]  r9:c07e16c4 r8:c6e01f60 r7:c2815800 r6:b6dd3000 r5:c4272b40 r4:00000000

 3782 22:39:17.850373  # [   84.911686] [<c059b968>] (vfs_write) from [<c059c020>] (ksys_write+0x74/0xec)

 3783 22:39:17.850599  # [   84.919090]  r10:00000004 r9:00000000 r8:00000000 r7:b6dd3000 r6:c6e00000 r5:c4272b40

 3784 22:39:17.850796  # [   84.927183]  r4:c4272b40

 3785 22:39:17.850983  # [   84.929986] [<c059bfac>] (ksys_write) from [<c059c0b0>] (sys_write+0x18/0x1c)

 3786 22:39:17.851170  # [   84.937390]  r9:c6e00000 r8:c03002e4 r7:00000004 r6:b6f1ae00 r5:0000001f r4:0000001f

 3787 22:39:17.894110  # [   84.945405] [<c059c098>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 3788 22:39:17.894574  # [   84.953239] Exception stack(0xc6e01fa8 to 0xc6e01ff0)

 3789 22:39:17.894845  # [   84.958560] 1fa0:                   0000001f 0000001f 00000001 b6dd3000 0000001f 00000000

 3790 22:39:17.895071  # [   84.967006] 1fc0: 0000001f 0000001f b6f1ae00 00000004 00000001 00000000 00020000 bedfeac4

 3791 22:39:17.895280  # [   84.975450] 1fe0: 00000004 bedfe7f8 b6e84d8f b6e0b7e6

 3792 22:39:17.895481  # [   84.980820] irq event stamp: 0

 3793 22:39:17.895686  # [   84.984175] hardirqs last  enabled at (0): [<00000000>] 0x0

 3794 22:39:17.938086  # [   84.990026] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 3795 22:39:17.938544  # [   84.997817] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 3796 22:39:17.938817  # [   85.005611] softirqs last disabled at (0): [<00000000>] 0x0

 3797 22:39:17.939048  # [   85.011466] ---[ end trace 77357beb01f1e277 ]---

 3798 22:39:17.939263  # [   85.016413] lkdtm: Overflow detected: saturated

 3799 22:39:17.939469  # REFCOUNT_ADD_NOT_ZERO_OVERFLOW: miss<6>[   85.454919] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO

 3800 22:39:17.939674  ing 'call trace:': [FAIL]

 3801 22:39:17.939870  <

 3802 22:39:17.940069  6n>o[   85.463578] lkdtm: attempting good refcount_dec()

 3803 22:39:17.982108   ok 45 selftests: lkdtm: REFCOUNT<6>[   85.471101] lkdtm: attempting bad refcount_dec() to zero

 3804 22:39:17.982565  _ADD_NOT_ZERO_OVERFLOW.sh # exit=<4>[   85.479645] ------------[ cut here ]------------

 3805 22:39:17.982833  1

 3806 22:39:17.983062  # selftests: lkdtm: REFCOUNT_D<4>[   85.487292] WARNING: CPU: 1 PID: 2781 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174

 3807 22:39:17.983273  EC_ZERO.sh

 3808 22:39:17.983476  <4>[   85.498838] refcount_t: decrement hit 0; leaking memory.

 3809 22:39:18.026098  <4>[   85.505443] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 3810 22:39:18.026571  <4>[   85.534854] CPU: 1 PID: 2781 Comm: cat Tainted: G      D W         5.10.202-cip41 #1

 3811 22:39:18.026843  <4>[   85.542865] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 3812 22:39:18.027075  <4>[   85.549657] Backtrace: 

 3813 22:39:18.070108  <4>[   85.552384] [<c13b9678>] (dump_backtrace) from [<c13b9a38>] (show_stack+0x20/0x24)

 3814 22:39:18.070565  <4>[   85.560224]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8

 3815 22:39:18.070839  <4>[   85.566155] [<c13b9a18>] (show_stack) from [<c13c0c80>] (dump_stack+0xe0/0x100)

 3816 22:39:18.071065  <4>[   85.573740] [<c13c0ba0>] (dump_stack) from [<c03567c8>] (__warn+0x98/0x14c)

 3817 22:39:18.071274  <4>[   85.580971]  r9:00000009 r8:c08750e8 r7:0000001f r6:00000009 r5:c08750e8 r4:c1a29834

 3818 22:39:18.071482  <4>[   85.588984] [<c0356730>] (__warn) from [<c13bab70>] (warn_slowpath_fmt+0x8c/0xa8)

 3819 22:39:18.071682  <4>[   85.596735]  r7:0000001f r6:c1a29834 r5:c1a29898 r4:c6e00000

 3820 22:39:18.114111  <4>[   85.602666] [<c13baae8>] (warn_slowpath_fmt) from [<c08750e8>] (refcount_warn_saturate+0x6c/0x174)

 3821 22:39:18.114603  <4>[   85.611891]  r9:c1ad574c r8:c15ebd0c r7:c6e01f60 r6:00000012 r5:c6ea5000 r4:c6e00000

 3822 22:39:18.114897  <4>[   85.619907] [<c087507c>] (refcount_warn_saturate) from [<c13c77a0>] (__refcount_dec.constprop.0+0x38/0x3c)

 3823 22:39:18.115146  <4>[   85.629832] [<c13c7768>] (__refcount_dec.constprop.0) from [<c13c7acc>] (lkdtm_REFCOUNT_DEC_ZERO+0x5c/0xd8)

 3824 22:39:18.158119  <4>[   85.639845] [<c13c7a70>] (lkdtm_REFCOUNT_DEC_ZERO) from [<c0c5727c>] (lkdtm_do_action+0x2c/0x4c)

 3825 22:39:18.158593  <4>[   85.648894]  r4:0000002f

 3826 22:39:18.158864  <4>[   85.651696] [<c0c57250>] (lkdtm_do_action) from [<c0c5777c>] (direct_entry+0x120/0x18c)

 3827 22:39:18.159096  <4>[   85.659974] [<c0c5765c>] (direct_entry) from [<c07e1728>] (full_proxy_write+0x64/0x94)

 3828 22:39:18.159326  <4>[   85.668160]  r9:c6e01f60 r8:c53900c0 r7:00000012 r6:b6dbb000 r5:c5a4e640 r4:c0c5765c

 3829 22:39:18.159550  <4>[   85.676179] [<c07e16c4>] (full_proxy_write) from [<c059ba74>] (vfs_write+0x10c/0x53c)

 3830 22:39:18.202097  <4>[   85.684277]  r9:c07e16c4 r8:c6e01f60 r7:c2815800 r6:b6dbb000 r5:c5a4e640 r4:00000000

 3831 22:39:18.202555  <4>[   85.692288] [<c059b968>] (vfs_write) from [<c059c020>] (ksys_write+0x74/0xec)

 3832 22:39:18.202832  <4>[   85.699691]  r10:00000004 r9:00000000 r8:00000000 r7:b6dbb000 r6:c6e00000 r5:c5a4e640

 3833 22:39:18.203071  <4>[   85.707785]  r4:c5a4e640

 3834 22:39:18.203303  <4>[   85.710589] [<c059bfac>] (ksys_write) from [<c059c0b0>] (sys_write+0x18/0x1c)

 3835 22:39:18.203509  <4>[   85.717993]  r9:c6e00000 r8:c03002e4 r7:00000004 r6:b6f02e00 r5:00000012 r4:00000012

 3836 22:39:18.245999  <4>[   85.726007] [<c059c098>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 3837 22:39:18.246432  <4>[   85.733841] Exception stack(0xc6e01fa8 to 0xc6e01ff0)

 3838 22:39:18.246499  <4>[   85.739162] 1fa0:                   00000012 00000012 00000001 b6dbb000 00000012 00000000

 3839 22:39:18.246572  <4>[   85.747610] 1fc0: 00000012 00000012 b6f02e00 00000004 00000001 00000000 00020000 bef99ac4

 3840 22:39:18.246636  <4>[   85.756052] 1fe0: 00000004 bef997f8 b6e6cd8f b6df37e6

 3841 22:39:18.246689  <4>[   85.761422] irq event stamp: 0

 3842 22:39:18.246740  <4>[   85.764776] hardirqs last  enabled at (0): [<00000000>] 0x0

 3843 22:39:18.290082  <4>[   85.770628] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 3844 22:39:18.290552  <4>[   85.778420] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 3845 22:39:18.290862  <4>[   85.786243] softirqs last disabled at (0): [<00000000>] 0x0

 3846 22:39:18.291119  <4>[   85.792093] ---[ end trace 77357beb01f1e278 ]---

 3847 22:39:18.291327  <6>[   85.797020] lkdtm: Zero detected: saturated

 3848 22:39:18.393209  # [   85.454919] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO

 3849 22:39:18.393687  # [   85.463578] lkdtm: attempting good refcount_dec()

 3850 22:39:18.393949  # [   85.471101] lkdtm: attempting bad refcount_dec() to zero

 3851 22:39:18.394167  # [   85.479645] ------------[ cut here ]------------

 3852 22:39:18.394374  # [   85.487292] WARNING: CPU: 1 PID: 2781 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174

 3853 22:39:18.394577  # [   85.498838] refcount_t: decrement hit 0; leaking memory.

 3854 22:39:18.436274  # [   85.505443] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 3855 22:39:18.436780  # [   85.534854] CPU: 1 PID: 2781 Comm: cat Tainted: G      D W         5.10.202-cip41 #1

 3856 22:39:18.437059  # [   85.542865] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 3857 22:39:18.437352  # [   85.549657] Backtrace: 

 3858 22:39:18.479218  # [   85.552384] [<c13b9678>] (dump_backtrace) from [<c13b9a38>] (show_stack+0x20/0x24)

 3859 22:39:18.479638  # [   85.560224]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8

 3860 22:39:18.479873  # [   85.566155] [<c13b9a18>] (show_stack) from [<c13c0c80>] (dump_stack+0xe0/0x100)

 3861 22:39:18.480076  # [   85.573740] [<c13c0ba0>] (dump_stack) from [<c03567c8>] (__warn+0x98/0x14c)

 3862 22:39:18.480325  # [   85.580971]  r9:00000009 r8:c08750e8 r7:0000001f r6:00000009 r5:c08750e8 r4:c1a29834

 3863 22:39:18.480548  # [   85.588984] [<c0356730>] (__warn) from [<c13bab70>] (warn_slowpath_fmt+0x8c/0xa8)

 3864 22:39:18.522303  # [   85.596735]  r7:0000001f r6:c1a29834 r5:c1a29898 r4:c6e00000

 3865 22:39:18.522751  # [   85.602666] [<c13baae8>] (warn_slowpath_fmt) from [<c08750e8>] (refcount_warn_saturate+0x6c/0x174)

 3866 22:39:18.523001  # [   85.611891]  r9:c1ad574c r8:c15ebd0c r7:c6e01f60 r6:00000012 r5:c6ea5000 r4:c6e00000

 3867 22:39:18.523221  # [   85.619907] [<c087507c>] (refcount_warn_saturate) from [<c13c77a0>] (__refcount_dec.constprop.0+0x38/0x3c)

 3868 22:39:18.523431  # [   85.629832] [<c13c7768>] (__refcount_dec.constprop.0) from [<c13c7acc>] (lkdtm_REFCOUNT_DEC_ZERO+0x5c/0xd8)

 3869 22:39:18.566097  # [   85.639845] [<c13c7a70>] (lkdtm_REFCOUNT_DEC_ZERO) from [<c0c5727c>] (lkdtm_do_action+0x2c/0x4c)

 3870 22:39:18.566553  # [   85.648894]  r4:0000002f

 3871 22:39:18.566860  # [   85.651696] [<c0c57250>] (lkdtm_do_action) from [<c0c5777c>] (direct_entry+0x120/0x18c)

 3872 22:39:18.567101  # [   85.659974] [<c0c5765c>] (direct_entry) from [<c07e1728>] (full_proxy_write+0x64/0x94)

 3873 22:39:18.567315  # [   85.668160]  r9:c6e01f60 r8:c53900c0 r7:00000012 r6:b6dbb000 r5:c5a4e640 r4:c0c5765c

 3874 22:39:18.567589  # [   85.676179] [<c07e16c4>] (full_proxy_write) from [<c059ba74>] (vfs_write+0x10c/0x53c)

 3875 22:39:18.609910  # [   85.684277]  r9:c07e16c4 r8:c6e01f60 r7:c2815800 r6:b6dbb000 r5:c5a4e640 r4:00000000

 3876 22:39:18.610075  # [   85.692288] [<c059b968>] (vfs_write) from [<c059c020>] (ksys_write+0x74/0xec)

 3877 22:39:18.610155  # [   85.699691]  r10:00000004 r9:00000000 r8:00000000 r7:b6dbb000 r6:c6e00000 r5:c5a4e640

 3878 22:39:18.610215  # [   85.707785]  r4:c5a4e640

 3879 22:39:18.610289  # [   85.710589] [<c059bfac>] (ksys_write) from [<c059c0b0>] (sys_write+0x18/0x1c)

 3880 22:39:18.610356  # [   85.717993]  r9:c6e00000 r8:c03002e4 r7:00000004 r6:b6f02e00 r5:00000012 r4:00000012

 3881 22:39:18.654182  # [   85.726007] [<c059c098>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 3882 22:39:18.654636  # [   85.733841] Exception stack(0xc6e01fa8 to 0xc6e01ff0)

 3883 22:39:18.654908  # [   85.739162] 1fa0:                   00000012 00000012 00000001 b6dbb000 00000012 00000000

 3884 22:39:18.655134  # [   85.747610] 1fc0: 00000012 00000012 b6f02e00 00000004 00000001 00000000 00020000 bef99ac4

 3885 22:39:18.655343  # [   85.756052] 1fe0: 00000004 bef997f8 b6e6cd8f b6df37e6

 3886 22:39:18.655546  # [   85.761422] irq event stamp: 0

 3887 22:39:18.655748  # [   85.764776] hardirqs last  enabled at (0): [<00000000>] 0x0

 3888 22:39:18.698131  # [   85.770628] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 3889 22:39:18.698587  # [   85.778420] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 3890 22:39:18.698864  # [   85.786243] softirqs last disabled at (0): [<00000000>] 0x0

 3891 22:39:18.699089  # [   85.792093] ---[ end trace 77357beb01f1e278 ]---

 3892 22:39:18.699297  # [   85.797020] lkdtm: Zero detected: saturated

 3893 22:39:18.699504  # REFCOUNT_DEC_ZERO: missing 'call trace:': [FAIL]

 3894 22:39:18.699706  not ok 46 selftests: lkdtm: REFCOUNT_DEC_ZERO.sh # exit=1

 3895 22:39:18.699910  # selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh

 3896 22:39:18.742142  <6>[   86.232106] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE

 3897 22:39:18.742599  <6>[   86.240789] lkdtm: attempting bad refcount_dec() below zero

 3898 22:39:18.742874  <4>[   86.246698] ------------[ cut here ]------------

 3899 22:39:18.743098  <4>[   86.251612] WARNING: CPU: 2 PID: 2819 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174

 3900 22:39:18.743310  <4>[   86.260462] refcount_t: decrement hit 0; leaking memory.

 3901 22:39:18.786138  <4>[   86.266095] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 3902 22:39:18.786611  <4>[   86.295501] CPU: 2 PID: 2819 Comm: cat Tainted: G      D W         5.10.202-cip41 #1

 3903 22:39:18.786888  <4>[   86.303512] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 3904 22:39:18.787111  <4>[   86.310305] Backtrace: 

 3905 22:39:18.787321  <4>[   86.313035] [<c13b9678>] (dump_backtrace) from [<c13b9a38>] (show_stack+0x20/0x24)

 3906 22:39:18.830139  <4>[   86.320875]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8

 3907 22:39:18.830601  <4>[   86.326809] [<c13b9a18>] (show_stack) from [<c13c0c80>] (dump_stack+0xe0/0x100)

 3908 22:39:18.830877  <4>[   86.334394] [<c13c0ba0>] (dump_stack) from [<c03567c8>] (__warn+0x98/0x14c)

 3909 22:39:18.831102  <4>[   86.341628]  r9:00000009 r8:c08750e8 r7:0000001f r6:00000009 r5:c08750e8 r4:c1a29834

 3910 22:39:18.831312  <4>[   86.349641] [<c0356730>] (__warn) from [<c13bab70>] (warn_slowpath_fmt+0x8c/0xa8)

 3911 22:39:18.831516  <4>[   86.357390]  r7:0000001f r6:c1a29834 r5:c1a29898 r4:c2fb2000

 3912 22:39:18.874143  <4>[   86.363322] [<c13baae8>] (warn_slowpath_fmt) from [<c08750e8>] (refcount_warn_saturate+0x6c/0x174)

 3913 22:39:18.874601  <4>[   86.372550]  r9:c1ad5760 r8:c15ebd0c r7:c2fb3f60 r6:00000016 r5:00000000 r4:c2fb2000

 3914 22:39:18.874878  <4>[   86.380568] [<c087507c>] (refcount_warn_saturate) from [<c13c77a0>] (__refcount_dec.constprop.0+0x38/0x3c)

 3915 22:39:18.875106  <4>[   86.390493] [<c13c7768>] (__refcount_dec.constprop.0) from [<c13c7b90>] (lkdtm_REFCOUNT_DEC_NEGATIVE+0x48/0x70)

 3916 22:39:18.875317  <4>[   86.400854] [<c13c7b48>] (lkdtm_REFCOUNT_DEC_NEGATIVE) from [<c0c5727c>] (lkdtm_do_action+0x2c/0x4c)

 3917 22:39:18.918139  <4>[   86.410250]  r5:c6dab000 r4:00000030

 3918 22:39:18.918601  <4>[   86.414095] [<c0c57250>] (lkdtm_do_action) from [<c0c5777c>] (direct_entry+0x120/0x18c)

 3919 22:39:18.918880  <4>[   86.422373] [<c0c5765c>] (direct_entry) from [<c07e1728>] (full_proxy_write+0x64/0x94)

 3920 22:39:18.919105  <4>[   86.430559]  r9:c2fb3f60 r8:c53900c0 r7:00000016 r6:b6eab000 r5:c5d18b40 r4:c0c5765c

 3921 22:39:18.919316  <4>[   86.438578] [<c07e16c4>] (full_proxy_write) from [<c059ba74>] (vfs_write+0x10c/0x53c)

 3922 22:39:18.919520  <4>[   86.446676]  r9:c07e16c4 r8:c2fb3f60 r7:c2815800 r6:b6eab000 r5:c5d18b40 r4:00000000

 3923 22:39:18.962140  <4>[   86.454689] [<c059b968>] (vfs_write) from [<c059c020>] (ksys_write+0x74/0xec)

 3924 22:39:18.962598  <4>[   86.462093]  r10:00000004 r9:00000000 r8:00000000 r7:b6eab000 r6:c2fb2000 r5:c5d18b40

 3925 22:39:18.962873  <4>[   86.470185]  r4:c5d18b40

 3926 22:39:18.963101  <4>[   86.472990] [<c059bfac>] (ksys_write) from [<c059c0b0>] (sys_write+0x18/0x1c)

 3927 22:39:18.963313  <4>[   86.480394]  r9:c2fb2000 r8:c03002e4 r7:00000004 r6:b6ff2e00 r5:00000016 r4:00000016

 3928 22:39:18.963523  <4>[   86.488408] [<c059c098>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 3929 22:39:19.006000  <4>[   86.496243] Exception stack(0xc2fb3fa8 to 0xc2fb3ff0)

 3930 22:39:19.006462  <4>[   86.501563] 3fa0:                   00000016 00000016 00000001 b6eab000 00000016 00000000

 3931 22:39:19.006523  <4>[   86.510011] 3fc0: 00000016 00000016 b6ff2e00 00000004 00000001 00000000 00020000 be9f4ac4

 3932 22:39:19.006590  <4>[   86.518454] 3fe0: 00000004 be9f47f8 b6f5cd8f b6ee37e6

 3933 22:39:19.006644  <4>[   86.523842] irq event stamp: 0

 3934 22:39:19.006691  <4>[   86.527195] hardirqs last  enabled at (0): [<00000000>] 0x0

 3935 22:39:19.006751  <4>[   86.533070] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 3936 22:39:19.050111  <4>[   86.540863] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 3937 22:39:19.050530  <4>[   86.548678] softirqs last disabled at (0): [<00000000>] 0x0

 3938 22:39:19.050758  <4>[   86.554570] ---[ end trace 77357beb01f1e279 ]---

 3939 22:39:19.050957  <6>[   86.559475] lkdtm: Negative detected: saturated

 3940 22:39:19.158392  # [   86.232106] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE

 3941 22:39:19.158849  # [   86.240789] lkdtm: attempting bad refcount_dec() below zero

 3942 22:39:19.159110  # [   86.246698] ------------[ cut here ]------------

 3943 22:39:19.159329  # [   86.251612] WARNING: CPU: 2 PID: 2819 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174

 3944 22:39:19.159542  # [   86.260462] refcount_t: decrement hit 0; leaking memory.

 3945 22:39:19.202092  # [   86.266095] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 3946 22:39:19.202554  # [   86.295501] CPU: 2 PID: 2819 Comm: cat Tainted: G      D W         5.10.202-cip41 #1

 3947 22:39:19.202807  # [   86.303512] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 3948 22:39:19.203024  # [   86.310305] Backtrace: 

 3949 22:39:19.203232  # [   86.313035] [<c13b9678>] (dump_backtrace) from [<c13b9a38>] (show_stack+0x20/0x24)

 3950 22:39:19.203441  # [   86.320875]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8

 3951 22:39:19.246033  # [   86.326809] [<c13b9a18>] (show_stack) from [<c13c0c80>] (dump_stack+0xe0/0x100)

 3952 22:39:19.246446  # [   86.334394] [<c13c0ba0>] (dump_stack) from [<c03567c8>] (__warn+0x98/0x14c)

 3953 22:39:19.246770  # [   86.341628]  r9:00000009 r8:c08750e8 r7:0000001f r6:00000009 r5:c08750e8 r4:c1a29834

 3954 22:39:19.247037  # [   86.349641] [<c0356730>] (__warn) from [<c13bab70>] (warn_slowpath_fmt+0x8c/0xa8)

 3955 22:39:19.247291  # [   86.357390]  r7:0000001f r6:c1a29834 r5:c1a29898 r4:c2fb2000

 3956 22:39:19.289975  # [   86.363322] [<c13baae8>] (warn_slowpath_fmt) from [<c08750e8>] (refcount_warn_saturate+0x6c/0x174)

 3957 22:39:19.290389  # [   86.372550]  r9:c1ad5760 r8:c15ebd0c r7:c2fb3f60 r6:00000016 r5:00000000 r4:c2fb2000

 3958 22:39:19.290621  # [   86.380568] [<c087507c>] (refcount_warn_saturate) from [<c13c77a0>] (__refcount_dec.constprop.0+0x38/0x3c)

 3959 22:39:19.290857  # [   86.390493] [<c13c7768>] (__refcount_dec.constprop.0) from [<c13c7b90>] (lkdtm_REFCOUNT_DEC_NEGATIVE+0x48/0x70)

 3960 22:39:19.291067  # [   86.400854] [<c13c7b48>] (lkdtm_REFCOUNT_DEC_NEGATIVE) from [<c0c5727c>] (lkdtm_do_action+0x2c/0x4c)

 3961 22:39:19.291275  # [   86.410250]  r5:c6dab000 r4:00000030

 3962 22:39:19.334001  # [   86.414095] [<c0c57250>] (lkdtm_do_action) from [<c0c5777c>] (direct_entry+0x120/0x18c)

 3963 22:39:19.334459  # [   86.422373] [<c0c5765c>] (direct_entry) from [<c07e1728>] (full_proxy_write+0x64/0x94)

 3964 22:39:19.334704  # [   86.430559]  r9:c2fb3f60 r8:c53900c0 r7:00000016 r6:b6eab000 r5:c5d18b40 r4:c0c5765c

 3965 22:39:19.334905  # [   86.438578] [<c07e16c4>] (full_proxy_write) from [<c059ba74>] (vfs_write+0x10c/0x53c)

 3966 22:39:19.335095  # [   86.446676]  r9:c07e16c4 r8:c2fb3f60 r7:c2815800 r6:b6eab000 r5:c5d18b40 r4:00000000

 3967 22:39:19.378095  # [   86.454689] [<c059b968>] (vfs_write) from [<c059c020>] (ksys_write+0x74/0xec)

 3968 22:39:19.378519  # [   86.462093]  r10:00000004 r9:00000000 r8:00000000 r7:b6eab000 r6:c2fb2000 r5:c5d18b40

 3969 22:39:19.378770  # [   86.470185]  r4:c5d18b40

 3970 22:39:19.378986  # [   86.472990] [<c059bfac>] (ksys_write) from [<c059c0b0>] (sys_write+0x18/0x1c)

 3971 22:39:19.379177  # [   86.480394]  r9:c2fb2000 r8:c03002e4 r7:00000004 r6:b6ff2e00 r5:00000016 r4:00000016

 3972 22:39:19.379359  # [   86.488408] [<c059c098>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 3973 22:39:19.379541  # [   86.496243] Exception stack(0xc2fb3fa8 to 0xc2fb3ff0)

 3974 22:39:19.422156  # [   86.501563] 3fa0:                   00000016 00000016 00000001 b6eab000 00000016 00000000

 3975 22:39:19.422612  # [   86.510011] 3fc0: 00000016 00000016 b6ff2e00 00000004 00000001 00000000 00020000 be9f4ac4

 3976 22:39:19.422887  # [   86.518454] 3fe0: 00000004 be9f47f8 b6f5cd8f b6ee37e6

 3977 22:39:19.423111  # [   86.523842] irq event stamp: 0

 3978 22:39:19.423314  # [   86.527195] hardirqs last  enabled at (0): [<00000000>] 0x0

 3979 22:39:19.423510  # [   86.533070] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 3980 22:39:19.468105  # [   86.540863] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 3981 22:39:19.468559  # [   86.548678] softirqs last disabled at (0): [<00000000>] 0x0

 3982 22:39:19.468822  # [   86.554570] ---[ end trace 77357beb01f1e279 ]---

 3983 22:39:19.469048  # [   86.559475] lkdtm: Negative detected: saturated

 3984 22:39:19.469254  # REFCOUNT_DEC_NEGATIVE: saw 'Negative detected: saturated': ok

 3985 22:39:19.469459  ok 47 selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh

 3986 22:39:19.469704  # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh

 3987 22:39:19.469922  <6>[   87.002143] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE

 3988 22:39:19.511855  <6>[   87.009266] lkdtm: attempting bad refcount_dec_and_test() below zero

 3989 22:39:19.512311  <4>[   87.016075] ------------[ cut here ]------------

 3990 22:39:19.512569  <4>[   87.021011] WARNING: CPU: 1 PID: 2855 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174

 3991 22:39:19.512789  <4>[   87.029837] refcount_t: underflow; use-after-free.

 3992 22:39:19.555117  <4>[   87.034953] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 3993 22:39:19.555589  <4>[   87.064375] CPU: 1 PID: 2855 Comm: cat Tainted: G      D W         5.10.202-cip41 #1

 3994 22:39:19.555858  <4>[   87.072387] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 3995 22:39:19.556078  <4>[   87.079181] Backtrace: 

 3996 22:39:19.556286  <4>[   87.081910] [<c13b9678>] (dump_backtrace) from [<c13b9a38>] (show_stack+0x20/0x24)

 3997 22:39:19.556492  <4>[   87.089750]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8

 3998 22:39:19.598370  <4>[   87.095680] [<c13b9a18>] (show_stack) from [<c13c0c80>] (dump_stack+0xe0/0x100)

 3999 22:39:19.598828  <4>[   87.103266] [<c13c0ba0>] (dump_stack) from [<c03567c8>] (__warn+0x98/0x14c)

 4000 22:39:19.599095  <4>[   87.110497]  r9:00000009 r8:c08751b8 r7:0000001c r6:00000009 r5:c08751b8 r4:c1a29834

 4001 22:39:19.599318  <4>[   87.118509] [<c0356730>] (__warn) from [<c13bab70>] (warn_slowpath_fmt+0x8c/0xa8)

 4002 22:39:19.599526  <4>[   87.126258]  r7:0000001c r6:c1a29834 r5:c1a29870 r4:c6a66000

 4003 22:39:19.599733  <4>[   87.132190] [<c13baae8>] (warn_slowpath_fmt) from [<c08751b8>] (refcount_warn_saturate+0x13c/0x174)

 4004 22:39:19.642082  <4>[   87.141504]  r9:c1ad5778 r8:c15ebd0c r7:c6a67f60 r6:0000001f r5:00000000 r4:c6a66000

 4005 22:39:19.642531  <4>[   87.149520] [<c087507c>] (refcount_warn_saturate) from [<c0c58378>] (__refcount_sub_and_test.constprop.0+0x64/0x6c)

 4006 22:39:19.642789  <4>[   87.160231] [<c0c58314>] (__refcount_sub_and_test.constprop.0) from [<c13c7c08>] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x50/0x8c)

 4007 22:39:19.643010  <4>[   87.172153] [<c13c7bb8>] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE) from [<c0c5727c>] (lkdtm_do_action+0x2c/0x4c)

 4008 22:39:19.686168  <4>[   87.182332]  r5:c6d6a000 r4:00000031

 4009 22:39:19.686627  <4>[   87.186179] [<c0c57250>] (lkdtm_do_action) from [<c0c5777c>] (direct_entry+0x120/0x18c)

 4010 22:39:19.686907  <4>[   87.194458] [<c0c5765c>] (direct_entry) from [<c07e1728>] (full_proxy_write+0x64/0x94)

 4011 22:39:19.687132  <4>[   87.202643]  r9:c6a67f60 r8:c53900c0 r7:0000001f r6:b6ea5000 r5:c5a4f540 r4:c0c5765c

 4012 22:39:19.687345  <4>[   87.210663] [<c07e16c4>] (full_proxy_write) from [<c059ba74>] (vfs_write+0x10c/0x53c)

 4013 22:39:19.687550  <4>[   87.218761]  r9:c07e16c4 r8:c6a67f60 r7:c2815800 r6:b6ea5000 r5:c5a4f540 r4:00000000

 4014 22:39:19.730151  <4>[   87.226773] [<c059b968>] (vfs_write) from [<c059c020>] (ksys_write+0x74/0xec)

 4015 22:39:19.730612  <4>[   87.234177]  r10:00000004 r9:00000000 r8:00000000 r7:b6ea5000 r6:c6a66000 r5:c5a4f540

 4016 22:39:19.730882  <4>[   87.242271]  r4:c5a4f540

 4017 22:39:19.731104  <4>[   87.245074] [<c059bfac>] (ksys_write) from [<c059c0b0>] (sys_write+0x18/0x1c)

 4018 22:39:19.731314  <4>[   87.252478]  r9:c6a66000 r8:c03002e4 r7:00000004 r6:b6fece00 r5:0000001f r4:0000001f

 4019 22:39:19.731520  <4>[   87.260492] [<c059c098>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 4020 22:39:19.773805  <4>[   87.268326] Exception stack(0xc6a67fa8 to 0xc6a67ff0)

 4021 22:39:19.773961  <4>[   87.273647] 7fa0:                   0000001f 0000001f 00000001 b6ea5000 0000001f 00000000

 4022 22:39:19.774023  <4>[   87.282094] 7fc0: 0000001f 0000001f b6fece00 00000004 00000001 00000000 00020000 befdbac4

 4023 22:39:19.774073  <4>[   87.290536] 7fe0: 00000004 befdb7f8 b6f56d8f b6edd7e6

 4024 22:39:19.774134  <4>[   87.295911] irq event stamp: 0

 4025 22:39:19.774191  <4>[   87.299244] hardirqs last  enabled at (0): [<00000000>] 0x0

 4026 22:39:19.774239  <4>[   87.305121] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 4027 22:39:19.818036  <4>[   87.312920] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 4028 22:39:19.818453  <4>[   87.320734] softirqs last disabled at (0): [<00000000>] 0x0

 4029 22:39:19.818677  <4>[   87.326656] ---[ end trace 77357beb01f1e27a ]---

 4030 22:39:19.818876  <6>[   87.331550] lkdtm: Negative detected: saturated

 4031 22:39:19.928133  # [   87.002143] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE

 4032 22:39:19.928589  # [   87.009266] lkdtm: attempting bad refcount_dec_and_test() below zero

 4033 22:39:19.928859  # [   87.016075] ------------[ cut here ]------------

 4034 22:39:19.929077  # [   87.021011] WARNING: CPU: 1 PID: 2855 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174

 4035 22:39:19.929290  # [   87.029837] refcount_t: underflow; use-after-free.

 4036 22:39:19.971100  # [   87.034953] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 4037 22:39:19.971562  # [   87.064375] CPU: 1 PID: 2855 Comm: cat Tainted: G      D W         5.10.202-cip41 #1

 4038 22:39:19.971824  # [   87.072387] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 4039 22:39:19.972043  # [   87.079181] Backtrace: 

 4040 22:39:19.972251  # [   87.081910] [<c13b9678>] (dump_backtrace) from [<c13b9a38>] (show_stack+0x20/0x24)

 4041 22:39:20.014207  # [   87.089750]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8

 4042 22:39:20.014674  # [   87.095680] [<c13b9a18>] (show_stack) from [<c13c0c80>] (dump_stack+0xe0/0x100)

 4043 22:39:20.014983  # [   87.103266] [<c13c0ba0>] (dump_stack) from [<c03567c8>] (__warn+0x98/0x14c)

 4044 22:39:20.015258  # [   87.110497]  r9:00000009 r8:c08751b8 r7:0000001c r6:00000009 r5:c08751b8 r4:c1a29834

 4045 22:39:20.015474  # [   87.118509] [<c0356730>] (__warn) from [<c13bab70>] (warn_slowpath_fmt+0x8c/0xa8)

 4046 22:39:20.015698  # [   87.126258]  r7:0000001c r6:c1a29834 r5:c1a29870 r4:c6a66000

 4047 22:39:20.058000  # [   87.132190] [<c13baae8>] (warn_slowpath_fmt) from [<c08751b8>] (refcount_warn_saturate+0x13c/0x174)

 4048 22:39:20.058414  # [   87.141504]  r9:c1ad5778 r8:c15ebd0c r7:c6a67f60 r6:0000001f r5:00000000 r4:c6a66000

 4049 22:39:20.058642  # [   87.149520] [<c087507c>] (refcount_warn_saturate) from [<c0c58378>] (__refcount_sub_and_test.constprop.0+0x64/0x6c)

 4050 22:39:20.058845  # [   87.160231] [<c0c58314>] (__refcount_sub_and_test.constprop.0) from [<c13c7c08>] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x50/0x8c)

 4051 22:39:20.102028  # [   87.172153] [<c13c7bb8>] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE) from [<c0c5727c>] (lkdtm_do_action+0x2c/0x4c)

 4052 22:39:20.102475  # [   87.182332]  r5:c6d6a000 r4:00000031

 4053 22:39:20.102725  # [   87.186179] [<c0c57250>] (lkdtm_do_action) from [<c0c5777c>] (direct_entry+0x120/0x18c)

 4054 22:39:20.103011  # [   87.194458] [<c0c5765c>] (direct_entry) from [<c07e1728>] (full_proxy_write+0x64/0x94)

 4055 22:39:20.103320  # [   87.202643]  r9:c6a67f60 r8:c53900c0 r7:0000001f r6:b6ea5000 r5:c5a4f540 r4:c0c5765c

 4056 22:39:20.103592  # [   87.210663] [<c07e16c4>] (full_proxy_write) from [<c059ba74>] (vfs_write+0x10c/0x53c)

 4057 22:39:20.146084  # [   87.218761]  r9:c07e16c4 r8:c6a67f60 r7:c2815800 r6:b6ea5000 r5:c5a4f540 r4:00000000

 4058 22:39:20.146510  # [   87.226773] [<c059b968>] (vfs_write) from [<c059c020>] (ksys_write+0x74/0xec)

 4059 22:39:20.146767  # [   87.234177]  r10:00000004 r9:00000000 r8:00000000 r7:b6ea5000 r6:c6a66000 r5:c5a4f540

 4060 22:39:20.146975  # [   87.242271]  r4:c5a4f540

 4061 22:39:20.147164  # [   87.245074] [<c059bfac>] (ksys_write) from [<c059c0b0>] (sys_write+0x18/0x1c)

 4062 22:39:20.147348  # [   87.252478]  r9:c6a66000 r8:c03002e4 r7:00000004 r6:b6fece00 r5:0000001f r4:0000001f

 4063 22:39:20.190110  # [   87.260492] [<c059c098>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 4064 22:39:20.190568  # [   87.268326] Exception stack(0xc6a67fa8 to 0xc6a67ff0)

 4065 22:39:20.190844  # [   87.273647] 7fa0:                   0000001f 0000001f 00000001 b6ea5000 0000001f 00000000

 4066 22:39:20.191072  # [   87.282094] 7fc0: 0000001f 0000001f b6fece00 00000004 00000001 00000000 00020000 befdbac4

 4067 22:39:20.191282  # [   87.290536] 7fe0: 00000004 befdb7f8 b6f56d8f b6edd7e6

 4068 22:39:20.191485  # [   87.295911] irq event stamp: 0

 4069 22:39:20.191689  # [   87.299244] hardirqs last  enabled at (0): [<00000000>] 0x0

 4070 22:39:20.234088  # [   87.305121] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 4071 22:39:20.234542  # [   87.312920] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 4072 22:39:20.234809  # [   87.320734] softirqs last disabled at (0): [<00000000>] 0x0

 4073 22:39:20.235036  # [   87.326656] ---[ end trace 77357beb01f1e27a ]---

 4074 22:39:20.235247  # [   87.331550] lkdtm: Negative detected: saturated

 4075 22:39:20.235451  # REFCOUNT_DEC_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok

 4076 22:39:20.235652  ok 48 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh

 4077 22:39:20.278096  # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh

 4078 22:39:20.278555  <6>[   87.772644] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE

 4079 22:39:20.278829  <6>[   87.781115] lkdtm: attempting bad refcount_sub_and_test() below zero

 4080 22:39:20.279058  <4>[   87.787773] ------------[ cut here ]------------

 4081 22:39:20.279269  <4>[   87.792680] WARNING: CPU: 2 PID: 2891 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174

 4082 22:39:20.279472  <4>[   87.801521] refcount_t: underflow; use-after-free.

 4083 22:39:20.322100  <4>[   87.806611] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 4084 22:39:20.322571  <4>[   87.836036] CPU: 2 PID: 2891 Comm: cat Tainted: G      D W         5.10.202-cip41 #1

 4085 22:39:20.322851  <4>[   87.844047] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 4086 22:39:20.323081  <4>[   87.850840] Backtrace: 

 4087 22:39:20.366098  <4>[   87.853570] [<c13b9678>] (dump_backtrace) from [<c13b9a38>] (show_stack+0x20/0x24)

 4088 22:39:20.366556  <4>[   87.861411]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8

 4089 22:39:20.366824  <4>[   87.867344] [<c13b9a18>] (show_stack) from [<c13c0c80>] (dump_stack+0xe0/0x100)

 4090 22:39:20.367049  <4>[   87.874930] [<c13c0ba0>] (dump_stack) from [<c03567c8>] (__warn+0x98/0x14c)

 4091 22:39:20.367259  <4>[   87.882161]  r9:00000009 r8:c08751b8 r7:0000001c r6:00000009 r5:c08751b8 r4:c1a29834

 4092 22:39:20.367464  <4>[   87.890176] [<c0356730>] (__warn) from [<c13bab70>] (warn_slowpath_fmt+0x8c/0xa8)

 4093 22:39:20.367666  <4>[   87.897926]  r7:0000001c r6:c1a29834 r5:c1a29870 r4:c6e00000

 4094 22:39:20.410096  <4>[   87.903856] [<c13baae8>] (warn_slowpath_fmt) from [<c08751b8>] (refcount_warn_saturate+0x13c/0x174)

 4095 22:39:20.410558  <4>[   87.913173]  r9:c1ad5798 r8:c15ebd0c r7:c6e01f60 r6:0000001f r5:c5cc1000 r4:c6e00000

 4096 22:39:20.410824  <4>[   87.921189] [<c087507c>] (refcount_warn_saturate) from [<c0c58378>] (__refcount_sub_and_test.constprop.0+0x64/0x6c)

 4097 22:39:20.411051  <4>[   87.931901] [<c0c58314>] (__refcount_sub_and_test.constprop.0) from [<c13c7c94>] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x50/0x8c)

 4098 22:39:20.454126  <4>[   87.943822] [<c13c7c44>] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE) from [<c0c5727c>] (lkdtm_do_action+0x2c/0x4c)

 4099 22:39:20.454585  <4>[   87.954000]  r4:00000032

 4100 22:39:20.454861  <4>[   87.956804] [<c0c57250>] (lkdtm_do_action) from [<c0c5777c>] (direct_entry+0x120/0x18c)

 4101 22:39:20.455089  <4>[   87.965083] [<c0c5765c>] (direct_entry) from [<c07e1728>] (full_proxy_write+0x64/0x94)

 4102 22:39:20.455295  <4>[   87.973268]  r9:c6e01f60 r8:c53900c0 r7:0000001f r6:b6ded000 r5:c5d19400 r4:c0c5765c

 4103 22:39:20.455501  <4>[   87.981288] [<c07e16c4>] (full_proxy_write) from [<c059ba74>] (vfs_write+0x10c/0x53c)

 4104 22:39:20.498130  <4>[   87.989385]  r9:c07e16c4 r8:c6e01f60 r7:c2815800 r6:b6ded000 r5:c5d19400 r4:00000000

 4105 22:39:20.498587  <4>[   87.997397] [<c059b968>] (vfs_write) from [<c059c020>] (ksys_write+0x74/0xec)

 4106 22:39:20.498861  <4>[   88.004800]  r10:00000004 r9:00000000 r8:00000000 r7:b6ded000 r6:c6e00000 r5:c5d19400

 4107 22:39:20.499083  <4>[   88.012893]  r4:c5d19400

 4108 22:39:20.499291  <4>[   88.015698] [<c059bfac>] (ksys_write) from [<c059c0b0>] (sys_write+0x18/0x1c)

 4109 22:39:20.499495  <4>[   88.023102]  r9:c6e00000 r8:c03002e4 r7:00000004 r6:b6f34e00 r5:0000001f r4:0000001f

 4110 22:39:20.542047  <4>[   88.031117] [<c059c098>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 4111 22:39:20.542568  <4>[   88.038953] Exception stack(0xc6e01fa8 to 0xc6e01ff0)

 4112 22:39:20.542908  <4>[   88.044272] 1fa0:                   0000001f 0000001f 00000001 b6ded000 0000001f 00000000

 4113 22:39:20.543229  <4>[   88.052720] 1fc0: 0000001f 0000001f b6f34e00 00000004 00000001 00000000 00020000 beb78ac4

 4114 22:39:20.543496  <4>[   88.061164] 1fe0: 00000004 beb787f8 b6e9ed8f b6e257e6

 4115 22:39:20.543733  <4>[   88.066540] irq event stamp: 0

 4116 22:39:20.543969  <4>[   88.069875] hardirqs last  enabled at (0): [<00000000>] 0x0

 4117 22:39:20.586214  <4>[   88.075751] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 4118 22:39:20.586641  <4>[   88.083528] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 4119 22:39:20.586892  <4>[   88.091319] softirqs last disabled at (0): [<00000000>] 0x0

 4120 22:39:20.587099  <4>[   88.097195] ---[ end trace 77357beb01f1e27b ]---

 4121 22:39:20.587291  <6>[   88.102088] lkdtm: Negative detected: saturated

 4122 22:39:20.700630  # [   87.772644] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE

 4123 22:39:20.701089  # [   87.781115] lkdtm: attempting bad refcount_sub_and_test() below zero

 4124 22:39:20.701349  # [   87.787773] ------------[ cut here ]------------

 4125 22:39:20.701564  # [   87.792680] WARNING: CPU: 2 PID: 2891 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174

 4126 22:39:20.701820  # [   87.801521] refcount_t: underflow; use-after-free.

 4127 22:39:20.743609  # [   87.806611] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 4128 22:39:20.744093  # [   87.836036] CPU: 2 PID: 2891 Comm: cat Tainted: G      D W         5.10.202-cip41 #1

 4129 22:39:20.744371  # [   87.844047] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 4130 22:39:20.744596  # [   87.850840] Backtrace: 

 4131 22:39:20.744805  # [   87.853570] [<c13b9678>] (dump_backtrace) from [<c13b9a38>] (show_stack+0x20/0x24)

 4132 22:39:20.786586  # [   87.861411]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8

 4133 22:39:20.787057  # [   87.867344] [<c13b9a18>] (show_stack) from [<c13c0c80>] (dump_stack+0xe0/0x100)

 4134 22:39:20.787308  # [   87.874930] [<c13c0ba0>] (dump_stack) from [<c03567c8>] (__warn+0x98/0x14c)

 4135 22:39:20.787529  # [   87.882161]  r9:00000009 r8:c08751b8 r7:0000001c r6:00000009 r5:c08751b8 r4:c1a29834

 4136 22:39:20.787738  # [   87.890176] [<c0356730>] (__warn) from [<c13bab70>] (warn_slowpath_fmt+0x8c/0xa8)

 4137 22:39:20.787963  # [   87.897926]  r7:0000001c r6:c1a29834 r5:c1a29870 r4:c6e00000

 4138 22:39:20.834153  # [   87.903856] [<c13baae8>] (warn_slowpath_fmt) from [<c08751b8>] (refcount_warn_saturate+0x13c/0x174)

 4139 22:39:20.834573  # [   87.913173]  r9:c1ad5798 r8:c15ebd0c r7:c6e01f60 r6:0000001f r5:c5cc1000 r4:c6e00000

 4140 22:39:20.834808  # [   87.921189] [<c087507c>] (refcount_warn_saturate) from [<c0c58378>] (__refcount_sub_and_test.constprop.0+0x64/0x6c)

 4141 22:39:20.835011  # [   87.931901] [<c0c58314>] (__refcount_sub_and_test.constprop.0) from [<c13c7c94>] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x50/0x8c)

 4142 22:39:20.878066  # [   87.943822] [<c13c7c44>] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE) from [<c0c5727c>] (lkdtm_do_action+0x2c/0x4c)

 4143 22:39:20.878478  # [   87.954000]  r4:00000032

 4144 22:39:20.878709  # [   87.956804] [<c0c57250>] (lkdtm_do_action) from [<c0c5777c>] (direct_entry+0x120/0x18c)

 4145 22:39:20.878910  # [   87.965083] [<c0c5765c>] (direct_entry) from [<c07e1728>] (full_proxy_write+0x64/0x94)

 4146 22:39:20.879098  # [   87.973268]  r9:c6e01f60 r8:c53900c0 r7:0000001f r6:b6ded000 r5:c5d19400 r4:c0c5765c

 4147 22:39:20.879282  # [   87.981288] [<c07e16c4>] (full_proxy_write) from [<c059ba74>] (vfs_write+0x10c/0x53c)

 4148 22:39:20.922088  # [   87.989385]  r9:c07e16c4 r8:c6e01f60 r7:c2815800 r6:b6ded000 r5:c5d19400 r4:00000000

 4149 22:39:20.922507  # [   87.997397] [<c059b968>] (vfs_write) from [<c059c020>] (ksys_write+0x74/0xec)

 4150 22:39:20.922752  # [   88.004800]  r10:00000004 r9:00000000 r8:00000000 r7:b6ded000 r6:c6e00000 r5:c5d19400

 4151 22:39:20.922960  # [   88.012893]  r4:c5d19400

 4152 22:39:20.923147  # [   88.015698] [<c059bfac>] (ksys_write) from [<c059c0b0>] (sys_write+0x18/0x1c)

 4153 22:39:20.923333  # [   88.023102]  r9:c6e00000 r8:c03002e4 r7:00000004 r6:b6f34e00 r5:0000001f r4:0000001f

 4154 22:39:20.966155  # [   88.031117] [<c059c098>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 4155 22:39:20.966610  # [   88.038953] Exception stack(0xc6e01fa8 to 0xc6e01ff0)

 4156 22:39:20.966880  # [   88.044272] 1fa0:                   0000001f 0000001f 00000001 b6ded000 0000001f 00000000

 4157 22:39:20.967106  # [   88.052720] 1fc0: 0000001f 0000001f b6f34e00 00000004 00000001 00000000 00020000 beb78ac4

 4158 22:39:20.967313  # [   88.061164] 1fe0: 00000004 beb787f8 b6e9ed8f b6e257e6

 4159 22:39:20.967512  # [   88.066540] irq event stamp: 0

 4160 22:39:20.967711  # [   88.069875] hardirqs last  enabled at (0): [<00000000>] 0x0

 4161 22:39:21.010105  # [   88.075751] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 4162 22:39:21.010556  # [   88.083528] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 4163 22:39:21.010806  # [   88.091319] softirqs last disabled at (0): [<00000000>] 0x0

 4164 22:39:21.011031  # [   88.097195] ---[ end trace 77357beb01f1e27b ]---

 4165 22:39:21.011240  # [   88.102088] lkdtm: Negative detected: saturated

 4166 22:39:21.011445  # REFCOUNT_SUB_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok

 4167 22:39:21.011651  ok 49 selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh

 4168 22:39:21.011854  # selftests: lkdtm: REFCOUNT_INC_ZERO.sh

 4169 22:39:21.054095  <6>[   88.551809] lkdtm: Performing direct entry REFCOUNT_INC_ZERO

 4170 22:39:21.054545  <6>[   88.557803] lkdtm: attempting safe refcount_inc_not_zero() from zero

 4171 22:39:21.054791  <6>[   88.564531] lkdtm: Good: zero detected

 4172 22:39:21.055011  <6>[   88.568579] lkdtm: Correctly stayed at zero

 4173 22:39:21.055223  <6>[   88.573031] lkdtm: attempting bad refcount_inc() from zero

 4174 22:39:21.055429  <4>[   88.578837] ------------[ cut here ]------------

 4175 22:39:21.055629  <4>[   88.583786] WARNING: CPU: 2 PID: 2924 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174

 4176 22:39:21.098138  <4>[   88.592582] refcount_t: addition on 0; use-after-free.

 4177 22:39:21.098600  <4>[   88.598017] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 4178 22:39:21.098890  <4>[   88.627410] CPU: 2 PID: 2924 Comm: cat Tainted: G      D W         5.10.202-cip41 #1

 4179 22:39:21.142144  <4>[   88.635421] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 4180 22:39:21.142605  <4>[   88.642213] Backtrace: 

 4181 22:39:21.142877  <4>[   88.644941] [<c13b9678>] (dump_backtrace) from [<c13b9a38>] (show_stack+0x20/0x24)

 4182 22:39:21.143106  <4>[   88.652782]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8

 4183 22:39:21.143316  <4>[   88.658712] [<c13b9a18>] (show_stack) from [<c13c0c80>] (dump_stack+0xe0/0x100)

 4184 22:39:21.143520  <4>[   88.666298] [<c13c0ba0>] (dump_stack) from [<c03567c8>] (__warn+0x98/0x14c)

 4185 22:39:21.143723  <4>[   88.673529]  r9:00000009 r8:c0875184 r7:00000019 r6:00000009 r5:c0875184 r4:c1a29834

 4186 22:39:21.186141  <4>[   88.681543] [<c0356730>] (__warn) from [<c13bab70>] (warn_slowpath_fmt+0x8c/0xa8)

 4187 22:39:21.186599  <4>[   88.689293]  r7:00000019 r6:c1a29834 r5:c1a29844 r4:c6eaa000

 4188 22:39:21.186874  <4>[   88.695224] [<c13baae8>] (warn_slowpath_fmt) from [<c0875184>] (refcount_warn_saturate+0x108/0x174)

 4189 22:39:21.187102  <4>[   88.704537]  r9:c1ad57b8 r8:c15ebd0c r7:c6eabf60 r6:00000012 r5:00000000 r4:c6eaa000

 4190 22:39:21.187319  <4>[   88.712555] [<c087507c>] (refcount_warn_saturate) from [<c0c58310>] (__refcount_add.constprop.0+0x54/0x58)

 4191 22:39:21.230156  <4>[   88.722483] [<c0c582bc>] (__refcount_add.constprop.0) from [<c13c7d78>] (lkdtm_REFCOUNT_INC_ZERO+0xa8/0xcc)

 4192 22:39:21.230652  <4>[   88.732493] [<c13c7cd0>] (lkdtm_REFCOUNT_INC_ZERO) from [<c0c5727c>] (lkdtm_do_action+0x2c/0x4c)

 4193 22:39:21.230952  <4>[   88.741544]  r5:c5a49000 r4:00000033

 4194 22:39:21.231198  <4>[   88.745390] [<c0c57250>] (lkdtm_do_action) from [<c0c5777c>] (direct_entry+0x120/0x18c)

 4195 22:39:21.231425  <4>[   88.753671] [<c0c5765c>] (direct_entry) from [<c07e1728>] (full_proxy_write+0x64/0x94)

 4196 22:39:21.231647  <4>[   88.761858]  r9:c6eabf60 r8:c53900c0 r7:00000012 r6:b6db6000 r5:c5a377c0 r4:c0c5765c

 4197 22:39:21.274154  <4>[   88.769875] [<c07e16c4>] (full_proxy_write) from [<c059ba74>] (vfs_write+0x10c/0x53c)

 4198 22:39:21.274647  <4>[   88.777973]  r9:c07e16c4 r8:c6eabf60 r7:c2815800 r6:b6db6000 r5:c5a377c0 r4:00000000

 4199 22:39:21.274945  <4>[   88.785985] [<c059b968>] (vfs_write) from [<c059c020>] (ksys_write+0x74/0xec)

 4200 22:39:21.275184  <4>[   88.793389]  r10:00000004 r9:00000000 r8:00000000 r7:b6db6000 r6:c6eaa000 r5:c5a377c0

 4201 22:39:21.275408  <4>[   88.801483]  r4:c5a377c0

 4202 22:39:21.275629  <4>[   88.804288] [<c059bfac>] (ksys_write) from [<c059c0b0>] (sys_write+0x18/0x1c)

 4203 22:39:21.318157  <4>[   88.811691]  r9:c6eaa000 r8:c03002e4 r7:00000004 r6:b6efde00 r5:00000012 r4:00000012

 4204 22:39:21.318633  <4>[   88.819705] [<c059c098>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 4205 22:39:21.318911  <4>[   88.827539] Exception stack(0xc6eabfa8 to 0xc6eabff0)

 4206 22:39:21.319131  <4>[   88.832860] bfa0:                   00000012 00000012 00000001 b6db6000 00000012 00000000

 4207 22:39:21.319353  <4>[   88.841307] bfc0: 00000012 00000012 b6efde00 00000004 00000001 00000000 00020000 bec77ac4

 4208 22:39:21.319579  <4>[   88.849751] bfe0: 00000004 bec777f8 b6e67d8f b6dee7e6

 4209 22:39:21.366289  <4>[   88.855119] irq event stamp: 0

 4210 22:39:21.366744  <4>[   88.858452] hardirqs last  enabled at (0): [<00000000>] 0x0

 4211 22:39:21.367007  <4>[   88.864326] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 4212 22:39:21.367114  <4>[   88.872091] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 4213 22:39:21.367168  <4>[   88.879891] softirqs last disabled at (0): [<00000000>] 0x0

 4214 22:39:21.367219  <4>[   88.885790] ---[ end trace 77357beb01f1e27c ]---

 4215 22:39:21.367269  <6>[   88.890685] lkdtm: Zero detected: saturated

 4216 22:39:21.491606  # [   88.551809] lkdtm: Performing direct entry REFCOUNT_INC_ZERO

 4217 22:39:21.492027  # [   88.557803] lkdtm: attempting safe refcount_inc_not_zero() from zero

 4218 22:39:21.492272  # [   88.564531] lkdtm: Good: zero detected

 4219 22:39:21.492472  # [   88.568579] lkdtm: Correctly stayed at zero

 4220 22:39:21.492659  # [   88.573031] lkdtm: attempting bad refcount_inc() from zero

 4221 22:39:21.492840  # [   88.578837] ------------[ cut here ]------------

 4222 22:39:21.493025  # [   88.583786] WARNING: CPU: 2 PID: 2924 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174

 4223 22:39:21.534565  # [   88.592582] refcount_t: addition on 0; use-after-free.

 4224 22:39:21.534993  # [   88.598017] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 4225 22:39:21.535278  # [   88.627410] CPU: 2 PID: 2924 Comm: cat Tainted: G      D W         5.10.202-cip41 #1

 4226 22:39:21.582051  # [   88.635421] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 4227 22:39:21.582459  # [   88.642213] Backtrace: 

 4228 22:39:21.582685  # [   88.644941] [<c13b9678>] (dump_backtrace) from [<c13b9a38>] (show_stack+0x20/0x24)

 4229 22:39:21.582883  # [   88.652782]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8

 4230 22:39:21.583071  # [   88.658712] [<c13b9a18>] (show_stack) from [<c13c0c80>] (dump_stack+0xe0/0x100)

 4231 22:39:21.583287  # [   88.666298] [<c13c0ba0>] (dump_stack) from [<c03567c8>] (__warn+0x98/0x14c)

 4232 22:39:21.583475  # [   88.673529]  r9:00000009 r8:c0875184 r7:00000019 r6:00000009 r5:c0875184 r4:c1a29834

 4233 22:39:21.626067  # [   88.681543] [<c0356730>] (__warn) from [<c13bab70>] (warn_slowpath_fmt+0x8c/0xa8)

 4234 22:39:21.626501  # [   88.689293]  r7:00000019 r6:c1a29834 r5:c1a29844 r4:c6eaa000

 4235 22:39:21.626730  # [   88.695224] [<c13baae8>] (warn_slowpath_fmt) from [<c0875184>] (refcount_warn_saturate+0x108/0x174)

 4236 22:39:21.626931  # [   88.704537]  r9:c1ad57b8 r8:c15ebd0c r7:c6eabf60 r6:00000012 r5:00000000 r4:c6eaa000

 4237 22:39:21.627145  # [   88.712555] [<c087507c>] (refcount_warn_saturate) from [<c0c58310>] (__refcount_add.constprop.0+0x54/0x58)

 4238 22:39:21.670047  # [   88.722483] [<c0c582bc>] (__refcount_add.constprop.0) from [<c13c7d78>] (lkdtm_REFCOUNT_INC_ZERO+0xa8/0xcc)

 4239 22:39:21.670470  # [   88.732493] [<c13c7cd0>] (lkdtm_REFCOUNT_INC_ZERO) from [<c0c5727c>] (lkdtm_do_action+0x2c/0x4c)

 4240 22:39:21.670721  # [   88.741544]  r5:c5a49000 r4:00000033

 4241 22:39:21.670933  # [   88.745390] [<c0c57250>] (lkdtm_do_action) from [<c0c5777c>] (direct_entry+0x120/0x18c)

 4242 22:39:21.671128  # [   88.753671] [<c0c5765c>] (direct_entry) from [<c07e1728>] (full_proxy_write+0x64/0x94)

 4243 22:39:21.671314  # [   88.761858]  r9:c6eabf60 r8:c53900c0 r7:00000012 r6:b6db6000 r5:c5a377c0 r4:c0c5765c

 4244 22:39:21.714066  # [   88.769875] [<c07e16c4>] (full_proxy_write) from [<c059ba74>] (vfs_write+0x10c/0x53c)

 4245 22:39:21.714489  # [   88.777973]  r9:c07e16c4 r8:c6eabf60 r7:c2815800 r6:b6db6000 r5:c5a377c0 r4:00000000

 4246 22:39:21.714735  # [   88.785985] [<c059b968>] (vfs_write) from [<c059c020>] (ksys_write+0x74/0xec)

 4247 22:39:21.714948  # [   88.793389]  r10:00000004 r9:00000000 r8:00000000 r7:b6db6000 r6:c6eaa000 r5:c5a377c0

 4248 22:39:21.715140  # [   88.801483]  r4:c5a377c0

 4249 22:39:21.715325  # [   88.804288] [<c059bfac>] (ksys_write) from [<c059c0b0>] (sys_write+0x18/0x1c)

 4250 22:39:21.758104  # [   88.811691]  r9:c6eaa000 r8:c03002e4 r7:00000004 r6:b6efde00 r5:00000012 r4:00000012

 4251 22:39:21.758562  # [   88.819705] [<c059c098>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 4252 22:39:21.758831  # [   88.827539] Exception stack(0xc6eabfa8 to 0xc6eabff0)

 4253 22:39:21.759064  # [   88.832860] bfa0:                   00000012 00000012 00000001 b6db6000 00000012 00000000

 4254 22:39:21.759273  # [   88.841307] bfc0: 00000012 00000012 b6efde00 00000004 00000001 00000000 00020000 bec77ac4

 4255 22:39:21.759483  # [   88.849751] bfe0: 00000004 bec777f8 b6e67d8f b6dee7e6

 4256 22:39:21.759685  # [   88.855119] irq event stamp: 0

 4257 22:39:21.802093  # [   88.858452] hardirqs last  enabled at (0): [<00000000>] 0x0

 4258 22:39:21.802552  # [   88.864326] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 4259 22:39:21.802831  # [   88.872091] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 4260 22:39:21.803064  # [   88.879891] softirqs last disabled at (0): [<00000000>] 0x0

 4261 22:39:21.803272  # [   88.885790] ---[ end trace 77357beb01f1e27c ]---

 4262 22:39:21.803476  # [   88.890685] lkdtm: Zero detected: saturated

 4263 22:39:21.803680  # REFCOUNT_INC_ZERO: missing 'call trace:': [FAIL]

 4264 22:39:21.846099  not ok 50 selftests: lkdtm: REFCOUNT_INC_ZERO.sh <6>[   89.336534] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO

 4265 22:39:21.846555  # exit=1

 4266 22:39:21.846832  # selftests: lkdtm: REF<6>[   89.344975] lkdtm: attempting safe refcount_add_not_zero() from zero

 4267 22:39:21.847062  COUNT_ADD_ZERO.sh

 4268 22:39:21.847268  <6>[   89.354375] lkdtm: Good: zero detected

 4269 22:39:21.847475  <6>[   89.359981] lkdtm: Correctly stayed at zero

 4270 22:39:21.847676  <6>[   89.364573] lkdtm: attempting bad refcount_add() from zero

 4271 22:39:21.847875  <4>[   89.370356] ------------[ cut here ]------------

 4272 22:39:21.890102  <4>[   89.375286] WARNING: CPU: 2 PID: 2959 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174

 4273 22:39:21.890565  <4>[   89.384106] refcount_t: addition on 0; use-after-free.

 4274 22:39:21.890839  <4>[   89.389515] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 4275 22:39:21.934109  <4>[   89.418931] CPU: 2 PID: 2959 Comm: cat Tainted: G      D W         5.10.202-cip41 #1

 4276 22:39:21.934569  <4>[   89.426943] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 4277 22:39:21.934847  <4>[   89.433735] Backtrace: 

 4278 22:39:21.935078  <4>[   89.436465] [<c13b9678>] (dump_backtrace) from [<c13b9a38>] (show_stack+0x20/0x24)

 4279 22:39:21.935289  <4>[   89.444305]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8

 4280 22:39:21.935492  <4>[   89.450238] [<c13b9a18>] (show_stack) from [<c13c0c80>] (dump_stack+0xe0/0x100)

 4281 22:39:21.935695  <4>[   89.457822] [<c13c0ba0>] (dump_stack) from [<c03567c8>] (__warn+0x98/0x14c)

 4282 22:39:21.978091  <4>[   89.465054]  r9:00000009 r8:c0875184 r7:00000019 r6:00000009 r5:c0875184 r4:c1a29834

 4283 22:39:21.978547  <4>[   89.473067] [<c0356730>] (__warn) from [<c13bab70>] (warn_slowpath_fmt+0x8c/0xa8)

 4284 22:39:21.978823  <4>[   89.480816]  r7:00000019 r6:c1a29834 r5:c1a29844 r4:c473a000

 4285 22:39:21.979055  <4>[   89.486746] [<c13baae8>] (warn_slowpath_fmt) from [<c0875184>] (refcount_warn_saturate+0x108/0x174)

 4286 22:39:21.979264  <4>[   89.496059]  r9:c1ad57cc r8:c15ebd0c r7:c473bf60 r6:00000012 r5:00000000 r4:c473a000

 4287 22:39:22.022097  <4>[   89.504077] [<c087507c>] (refcount_warn_saturate) from [<c0c58310>] (__refcount_add.constprop.0+0x54/0x58)

 4288 22:39:22.022562  <4>[   89.514005] [<c0c582bc>] (__refcount_add.constprop.0) from [<c13c7e44>] (lkdtm_REFCOUNT_ADD_ZERO+0xa8/0xcc)

 4289 22:39:22.022839  <4>[   89.524018] [<c13c7d9c>] (lkdtm_REFCOUNT_ADD_ZERO) from [<c0c5727c>] (lkdtm_do_action+0x2c/0x4c)

 4290 22:39:22.023069  <4>[   89.533070]  r5:c5a49000 r4:00000034

 4291 22:39:22.023280  <4>[   89.536914] [<c0c57250>] (lkdtm_do_action) from [<c0c5777c>] (direct_entry+0x120/0x18c)

 4292 22:39:22.023482  <4>[   89.545193] [<c0c5765c>] (direct_entry) from [<c07e1728>] (full_proxy_write+0x64/0x94)

 4293 22:39:22.066100  <4>[   89.553379]  r9:c473bf60 r8:c53900c0 r7:00000012 r6:b6df2000 r5:c5d18f00 r4:c0c5765c

 4294 22:39:22.066560  <4>[   89.561400] [<c07e16c4>] (full_proxy_write) from [<c059ba74>] (vfs_write+0x10c/0x53c)

 4295 22:39:22.066838  <4>[   89.569498]  r9:c07e16c4 r8:c473bf60 r7:c2815800 r6:b6df2000 r5:c5d18f00 r4:00000000

 4296 22:39:22.067061  <4>[   89.577511] [<c059b968>] (vfs_write) from [<c059c020>] (ksys_write+0x74/0xec)

 4297 22:39:22.067271  <4>[   89.584913]  r10:00000004 r9:00000000 r8:00000000 r7:b6df2000 r6:c473a000 r5:c5d18f00

 4298 22:39:22.067478  <4>[   89.593007]  r4:c5d18f00

 4299 22:39:22.110114  <4>[   89.595811] [<c059bfac>] (ksys_write) from [<c059c0b0>] (sys_write+0x18/0x1c)

 4300 22:39:22.110576  <4>[   89.603214]  r9:c473a000 r8:c03002e4 r7:00000004 r6:b6f39e00 r5:00000012 r4:00000012

 4301 22:39:22.110855  <4>[   89.611229] [<c059c098>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 4302 22:39:22.111085  <4>[   89.619064] Exception stack(0xc473bfa8 to 0xc473bff0)

 4303 22:39:22.111296  <4>[   89.624385] bfa0:                   00000012 00000012 00000001 b6df2000 00000012 00000000

 4304 22:39:22.154006  <4>[   89.632832] bfc0: 00000012 00000012 b6f39e00 00000004 00000001 00000000 00020000 beb05ac4

 4305 22:39:22.154498  <4>[   89.641275] bfe0: 00000004 beb057f8 b6ea3d8f b6e2a7e6

 4306 22:39:22.154739  <4>[   89.646643] irq event stamp: 0

 4307 22:39:22.154940  <4>[   89.649975] hardirqs last  enabled at (0): [<00000000>] 0x0

 4308 22:39:22.155131  <4>[   89.655849] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 4309 22:39:22.155318  <4>[   89.663617] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 4310 22:39:22.155500  <4>[   89.671420] softirqs last disabled at (0): [<00000000>] 0x0

 4311 22:39:22.155679  <4>[   89.677324] ---[ end trace 77357beb01f1e27d ]---

 4312 22:39:22.198066  <6>[   89.682223] lkdtm: Zero detected: saturated

 4313 22:39:22.284458  # [   89.336534] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO

 4314 22:39:22.284909  # [   89.344975] lkdtm: attempting safe refcount_add_not_zero() from zero

 4315 22:39:22.285211  # [   89.354375] lkdtm: Good: zero detected

 4316 22:39:22.285436  # [   89.359981] lkdtm: Correctly stayed at zero

 4317 22:39:22.285717  # [   89.364573] lkdtm: attempting bad refcount_add() from zero

 4318 22:39:22.285950  # [   89.370356] ------------[ cut here ]------------

 4319 22:39:22.286159  # [   89.375286] WARNING: CPU: 2 PID: 2959 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174

 4320 22:39:22.327637  # [   89.384106] refcount_t: addition on 0; use-after-free.

 4321 22:39:22.328097  # [   89.389515] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 4322 22:39:22.328373  # [   89.418931] CPU: 2 PID: 2959 Comm: cat Tainted: G      D W         5.10.202-cip41 #1

 4323 22:39:22.370583  # [   89.426943] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 4324 22:39:22.371077  # [   89.433735] Backtrace: 

 4325 22:39:22.371356  # [   89.436465] [<c13b9678>] (dump_backtrace) from [<c13b9a38>] (show_stack+0x20/0x24)

 4326 22:39:22.371633  # [   89.444305]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8

 4327 22:39:22.371850  # [   89.450238] [<c13b9a18>] (show_stack) from [<c13c0c80>] (dump_stack+0xe0/0x100)

 4328 22:39:22.372117  # [   89.457822] [<c13c0ba0>] (dump_stack) from [<c03567c8>] (__warn+0x98/0x14c)

 4329 22:39:22.372332  # [   89.465054]  r9:00000009 r8:c0875184 r7:00000019 r6:00000009 r5:c0875184 r4:c1a29834

 4330 22:39:22.413963  # [   89.473067] [<c0356730>] (__warn) from [<c13bab70>] (warn_slowpath_fmt+0x8c/0xa8)

 4331 22:39:22.414380  # [   89.480816]  r7:00000019 r6:c1a29834 r5:c1a29844 r4:c473a000

 4332 22:39:22.414649  # [   89.486746] [<c13baae8>] (warn_slowpath_fmt) from [<c0875184>] (refcount_warn_saturate+0x108/0x174)

 4333 22:39:22.414889  # [   89.496059]  r9:c1ad57cc r8:c15ebd0c r7:c473bf60 r6:00000012 r5:00000000 r4:c473a000

 4334 22:39:22.415169  # [   89.504077] [<c087507c>] (refcount_warn_saturate) from [<c0c58310>] (__refcount_add.constprop.0+0x54/0x58)

 4335 22:39:22.458105  # [   89.514005] [<c0c582bc>] (__refcount_add.constprop.0) from [<c13c7e44>] (lkdtm_REFCOUNT_ADD_ZERO+0xa8/0xcc)

 4336 22:39:22.458559  # [   89.524018] [<c13c7d9c>] (lkdtm_REFCOUNT_ADD_ZERO) from [<c0c5727c>] (lkdtm_do_action+0x2c/0x4c)

 4337 22:39:22.458813  # [   89.533070]  r5:c5a49000 r4:00000034

 4338 22:39:22.459035  # [   89.536914] [<c0c57250>] (lkdtm_do_action) from [<c0c5777c>] (direct_entry+0x120/0x18c)

 4339 22:39:22.459245  # [   89.545193] [<c0c5765c>] (direct_entry) from [<c07e1728>] (full_proxy_write+0x64/0x94)

 4340 22:39:22.459447  # [   89.553379]  r9:c473bf60 r8:c53900c0 r7:00000012 r6:b6df2000 r5:c5d18f00 r4:c0c5765c

 4341 22:39:22.502096  # [   89.561400] [<c07e16c4>] (full_proxy_write) from [<c059ba74>] (vfs_write+0x10c/0x53c)

 4342 22:39:22.502511  # [   89.569498]  r9:c07e16c4 r8:c473bf60 r7:c2815800 r6:b6df2000 r5:c5d18f00 r4:00000000

 4343 22:39:22.502755  # [   89.577511] [<c059b968>] (vfs_write) from [<c059c020>] (ksys_write+0x74/0xec)

 4344 22:39:22.502966  # [   89.584913]  r10:00000004 r9:00000000 r8:00000000 r7:b6df2000 r6:c473a000 r5:c5d18f00

 4345 22:39:22.503154  # [   89.593007]  r4:c5d18f00

 4346 22:39:22.503337  # [   89.595811] [<c059bfac>] (ksys_write) from [<c059c0b0>] (sys_write+0x18/0x1c)

 4347 22:39:22.546109  # [   89.603214]  r9:c473a000 r8:c03002e4 r7:00000004 r6:b6f39e00 r5:00000012 r4:00000012

 4348 22:39:22.546568  # [   89.611229] [<c059c098>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 4349 22:39:22.546836  # [   89.619064] Exception stack(0xc473bfa8 to 0xc473bff0)

 4350 22:39:22.547064  # [   89.624385] bfa0:                   00000012 00000012 00000001 b6df2000 00000012 00000000

 4351 22:39:22.547271  # [   89.632832] bfc0: 00000012 00000012 b6f39e00 00000004 00000001 00000000 00020000 beb05ac4

 4352 22:39:22.547475  # [   89.641275] bfe0: 00000004 beb057f8 b6ea3d8f b6e2a7e6

 4353 22:39:22.547677  # [   89.646643] irq event stamp: 0

 4354 22:39:22.590010  # [   89.649975] hardirqs last  enabled at (0): [<00000000>] 0x0

 4355 22:39:22.590455  # [   89.655849] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 4356 22:39:22.590708  # [   89.663617] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 4357 22:39:22.590926  # [   89.671420] softirqs last disabled at (0): [<00000000>] 0x0

 4358 22:39:22.591133  # [   89.677324] ---[ end trace 77357beb01f1e27d ]---

 4359 22:39:22.591334  # [   89.682223] lkdtm: Zero detected: saturated

 4360 22:39:22.591533  # REFCOUNT_ADD_ZERO: missing 'call trace:': [FAIL]

 4361 22:39:22.635743  not ok 51 selftests: lkdtm: REFCOUNT_ADD_ZERO.sh # exit=1

 4362 22:39:22.636167  # selftests: lkdtm: REFCOUNT_INC_SATURATED.sh

 4363 22:39:22.636411  <6>[   90.142609] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED

 4364 22:39:22.636611  <6>[   90.149127] lkdtm: attempting bad refcount_inc() from saturated

 4365 22:39:22.636800  <4>[   90.155393] ------------[ cut here ]------------

 4366 22:39:22.636985  <4>[   90.160344] WARNING: CPU: 1 PID: 2997 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174

 4367 22:39:22.637171  <4>[   90.169207] refcount_t: saturated; leaking memory.

 4368 22:39:22.679002  <4>[   90.174320] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 4369 22:39:22.679471  <4>[   90.203715] CPU: 1 PID: 2997 Comm: cat Tainted: G      D W         5.10.202-cip41 #1

 4370 22:39:22.679742  <4>[   90.211727] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 4371 22:39:22.679965  <4>[   90.218520] Backtrace: 

 4372 22:39:22.722233  <4>[   90.221251] [<c13b9678>] (dump_backtrace) from [<c13b9a38>] (show_stack+0x20/0x24)

 4373 22:39:22.722691  <4>[   90.229090]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8

 4374 22:39:22.722957  <4>[   90.235023] [<c13b9a18>] (show_stack) from [<c13c0c80>] (dump_stack+0xe0/0x100)

 4375 22:39:22.723178  <4>[   90.242608] [<c13c0ba0>] (dump_stack) from [<c03567c8>] (__warn+0x98/0x14c)

 4376 22:39:22.723383  <4>[   90.249839]  r9:00000009 r8:c0875150 r7:00000016 r6:00000009 r5:c0875150 r4:c1a29834

 4377 22:39:22.723592  <4>[   90.257853] [<c0356730>] (__warn) from [<c13bab70>] (warn_slowpath_fmt+0x8c/0xa8)

 4378 22:39:22.766051  <4>[   90.265605]  r7:00000016 r6:c1a29834 r5:c1a2980c r4:c473a000

 4379 22:39:22.766504  <4>[   90.271538] [<c13baae8>] (warn_slowpath_fmt) from [<c0875150>] (refcount_warn_saturate+0xd4/0x174)

 4380 22:39:22.766763  <4>[   90.280766]  r9:c1ad57e0 r8:c15ebd0c r7:c473bf60 r6:00000017 r5:c6d6a000 r4:c473a000

 4381 22:39:22.766979  <4>[   90.288784] [<c087507c>] (refcount_warn_saturate) from [<c0c58300>] (__refcount_add.constprop.0+0x44/0x58)

 4382 22:39:22.767188  <4>[   90.298713] [<c0c582bc>] (__refcount_add.constprop.0) from [<c13c7eb4>] (lkdtm_REFCOUNT_INC_SATURATED+0x4c/0x70)

 4383 22:39:22.810107  <4>[   90.309158] [<c13c7e68>] (lkdtm_REFCOUNT_INC_SATURATED) from [<c0c5727c>] (lkdtm_do_action+0x2c/0x4c)

 4384 22:39:22.810564  <4>[   90.318642]  r4:00000035

 4385 22:39:22.810839  <4>[   90.321447] [<c0c57250>] (lkdtm_do_action) from [<c0c5777c>] (direct_entry+0x120/0x18c)

 4386 22:39:22.811067  <4>[   90.329727] [<c0c5765c>] (direct_entry) from [<c07e1728>] (full_proxy_write+0x64/0x94)

 4387 22:39:22.811277  <4>[   90.337912]  r9:c473bf60 r8:c53900c0 r7:00000017 r6:b6e86000 r5:c5a4f2c0 r4:c0c5765c

 4388 22:39:22.854104  <4>[   90.345933] [<c07e16c4>] (full_proxy_write) from [<c059ba74>] (vfs_write+0x10c/0x53c)

 4389 22:39:22.854566  <4>[   90.354032]  r9:c07e16c4 r8:c473bf60 r7:c2815800 r6:b6e86000 r5:c5a4f2c0 r4:00000000

 4390 22:39:22.854840  <4>[   90.362044] [<c059b968>] (vfs_write) from [<c059c020>] (ksys_write+0x74/0xec)

 4391 22:39:22.855064  <4>[   90.369447]  r10:00000004 r9:00000000 r8:00000000 r7:b6e86000 r6:c473a000 r5:c5a4f2c0

 4392 22:39:22.855275  <4>[   90.377543]  r4:c5a4f2c0

 4393 22:39:22.855484  <4>[   90.380346] [<c059bfac>] (ksys_write) from [<c059c0b0>] (sys_write+0x18/0x1c)

 4394 22:39:22.855692  <4>[   90.387752]  r9:c473a000 r8:c03002e4 r7:00000004 r6:b6fcde00 r5:00000017 r4:00000017

 4395 22:39:22.898096  <4>[   90.395768] [<c059c098>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 4396 22:39:22.898574  <4>[   90.403603] Exception stack(0xc473bfa8 to 0xc473bff0)

 4397 22:39:22.898982  <4>[   90.408925] bfa0:                   00000017 00000017 00000001 b6e86000 00000017 00000000

 4398 22:39:22.899300  <4>[   90.417371] bfc0: 00000017 00000017 b6fcde00 00000004 00000001 00000000 00020000 beff5ac4

 4399 22:39:22.899602  <4>[   90.425815] bfe0: 00000004 beff57f8 b6f37d8f b6ebe7e6

 4400 22:39:22.899859  <4>[   90.431190] irq event stamp: 0

 4401 22:39:22.943470  <4>[   90.434543] hardirqs last  enabled at (0): [<00000000>] 0x0

 4402 22:39:22.943954  <4>[   90.440394] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 4403 22:39:22.944248  <4>[   90.448206] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 4404 22:39:22.944483  <4>[   90.456029] softirqs last disabled at (0): [<00000000>] 0x0

 4405 22:39:22.944702  <4>[   90.461888] ---[ end trace 77357beb01f1e27e ]---

 4406 22:39:22.944912  <6>[   90.466810] lkdtm: Saturation detected: still saturated

 4407 22:39:23.082406  # [   90.142609] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED

 4408 22:39:23.082867  # [   90.149127] lkdtm: attempting bad refcount_inc() from saturated

 4409 22:39:23.083131  # [   90.155393] ------------[ cut here ]------------

 4410 22:39:23.083348  # [   90.160344] WARNING: CPU: 1 PID: 2997 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174

 4411 22:39:23.083558  # [   90.169207] refcount_t: saturated; leaking memory.

 4412 22:39:23.126041  # [   90.174320] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 4413 22:39:23.126505  # [   90.203715] CPU: 1 PID: 2997 Comm: cat Tainted: G      D W         5.10.202-cip41 #1

 4414 22:39:23.126768  # [   90.211727] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 4415 22:39:23.126987  # [   90.218520] Backtrace: 

 4416 22:39:23.127197  # [   90.221251] [<c13b9678>] (dump_backtrace) from [<c13b9a38>] (show_stack+0x20/0x24)

 4417 22:39:23.170001  # [   90.229090]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8

 4418 22:39:23.170437  # [   90.235023] [<c13b9a18>] (show_stack) from [<c13c0c80>] (dump_stack+0xe0/0x100)

 4419 22:39:23.170691  # [   90.242608] [<c13c0ba0>] (dump_stack) from [<c03567c8>] (__warn+0x98/0x14c)

 4420 22:39:23.170909  # [   90.249839]  r9:00000009 r8:c0875150 r7:00000016 r6:00000009 r5:c0875150 r4:c1a29834

 4421 22:39:23.171206  # [   90.257853] [<c0356730>] (__warn) from [<c13bab70>] (warn_slowpath_fmt+0x8c/0xa8)

 4422 22:39:23.171430  # [   90.265605]  r7:00000016 r6:c1a29834 r5:c1a2980c r4:c473a000

 4423 22:39:23.214057  # [   90.271538] [<c13baae8>] (warn_slowpath_fmt) from [<c0875150>] (refcount_warn_saturate+0xd4/0x174)

 4424 22:39:23.214516  # [   90.280766]  r9:c1ad57e0 r8:c15ebd0c r7:c473bf60 r6:00000017 r5:c6d6a000 r4:c473a000

 4425 22:39:23.214792  # [   90.288784] [<c087507c>] (refcount_warn_saturate) from [<c0c58300>] (__refcount_add.constprop.0+0x44/0x58)

 4426 22:39:23.215023  # [   90.298713] [<c0c582bc>] (__refcount_add.constprop.0) from [<c13c7eb4>] (lkdtm_REFCOUNT_INC_SATURATED+0x4c/0x70)

 4427 22:39:23.257983  # [   90.309158] [<c13c7e68>] (lkdtm_REFCOUNT_INC_SATURATED) from [<c0c5727c>] (lkdtm_do_action+0x2c/0x4c)

 4428 22:39:23.258428  # [   90.318642]  r4:00000035

 4429 22:39:23.258680  # [   90.321447] [<c0c57250>] (lkdtm_do_action) from [<c0c5777c>] (direct_entry+0x120/0x18c)

 4430 22:39:23.258896  # [   90.329727] [<c0c5765c>] (direct_entry) from [<c07e1728>] (full_proxy_write+0x64/0x94)

 4431 22:39:23.259101  # [   90.337912]  r9:c473bf60 r8:c53900c0 r7:00000017 r6:b6e86000 r5:c5a4f2c0 r4:c0c5765c

 4432 22:39:23.259305  # [   90.345933] [<c07e16c4>] (full_proxy_write) from [<c059ba74>] (vfs_write+0x10c/0x53c)

 4433 22:39:23.302024  # [   90.354032]  r9:c07e16c4 r8:c473bf60 r7:c2815800 r6:b6e86000 r5:c5a4f2c0 r4:00000000

 4434 22:39:23.302435  # [   90.362044] [<c059b968>] (vfs_write) from [<c059c020>] (ksys_write+0x74/0xec)

 4435 22:39:23.302698  # [   90.369447]  r10:00000004 r9:00000000 r8:00000000 r7:b6e86000 r6:c473a000 r5:c5a4f2c0

 4436 22:39:23.302918  # [   90.377543]  r4:c5a4f2c0

 4437 22:39:23.303123  # [   90.380346] [<c059bfac>] (ksys_write) from [<c059c0b0>] (sys_write+0x18/0x1c)

 4438 22:39:23.303325  # [   90.387752]  r9:c473a000 r8:c03002e4 r7:00000004 r6:b6fcde00 r5:00000017 r4:00000017

 4439 22:39:23.303526  # [   90.395768] [<c059c098>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 4440 22:39:23.346095  # [   90.403603] Exception stack(0xc473bfa8 to 0xc473bff0)

 4441 22:39:23.346552  # [   90.408925] bfa0:                   00000017 00000017 00000001 b6e86000 00000017 00000000

 4442 22:39:23.346824  # [   90.417371] bfc0: 00000017 00000017 b6fcde00 00000004 00000001 00000000 00020000 beff5ac4

 4443 22:39:23.347055  # [   90.425815] bfe0: 00000004 beff57f8 b6f37d8f b6ebe7e6

 4444 22:39:23.347264  # [   90.431190] irq event stamp: 0

 4445 22:39:23.347465  # [   90.434543] hardirqs last  enabled at (0): [<00000000>] 0x0

 4446 22:39:23.347668  # [   90.440394] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 4447 22:39:23.390006  # [   90.448206] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 4448 22:39:23.390417  # [   90.456029] softirqs last disabled at (0): [<00000000>] 0x0

 4449 22:39:23.390642  # [   90.461888] ---[ end trace 77357beb01f1e27e ]---

 4450 22:39:23.390840  # [   90.466810] lkdtm: Saturation detected: still saturated

 4451 22:39:23.391027  # REFCOUNT_INC_SATURATED: saw 'Saturation detected: still saturated': ok

 4452 22:39:23.391211  ok 52 selftests: lkdtm: REFCOUNT_INC_SATURATED.sh

 4453 22:39:23.391399  # selftests: lkdtm: REFCOUNT_DEC_SATURATED.sh

 4454 22:39:23.433801  <6>[   90.934360] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED

 4455 22:39:23.434258  <6>[   90.940770] lkdtm: attempting bad refcount_dec() from saturated

 4456 22:39:23.434529  <4>[   90.947027] ------------[ cut here ]------------

 4457 22:39:23.434749  <4>[   90.951939] WARNING: CPU: 0 PID: 3033 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174

 4458 22:39:23.434958  <4>[   90.960780] refcount_t: decrement hit 0; leaking memory.

 4459 22:39:23.477127  <4>[   90.966412] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 4460 22:39:23.477601  <4>[   90.995911] CPU: 0 PID: 3033 Comm: cat Tainted: G      D W         5.10.202-cip41 #1

 4461 22:39:23.477905  <4>[   91.003922] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 4462 22:39:23.478126  <4>[   91.010714] Backtrace: 

 4463 22:39:23.478336  <4>[   91.013446] [<c13b9678>] (dump_backtrace) from [<c13b9a38>] (show_stack+0x20/0x24)

 4464 22:39:23.520328  <4>[   91.021286]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8

 4465 22:39:23.520787  <4>[   91.027220] [<c13b9a18>] (show_stack) from [<c13c0c80>] (dump_stack+0xe0/0x100)

 4466 22:39:23.521053  <4>[   91.034804] [<c13c0ba0>] (dump_stack) from [<c03567c8>] (__warn+0x98/0x14c)

 4467 22:39:23.521274  <4>[   91.042036]  r9:00000009 r8:c08750e8 r7:0000001f r6:00000009 r5:c08750e8 r4:c1a29834

 4468 22:39:23.521483  <4>[   91.050049] [<c0356730>] (__warn) from [<c13bab70>] (warn_slowpath_fmt+0x8c/0xa8)

 4469 22:39:23.521717  <4>[   91.057799]  r7:0000001f r6:c1a29834 r5:c1a29898 r4:c6d9c000

 4470 22:39:23.563509  <4>[   91.063730] [<c13baae8>] (warn_slowpath_fmt) from [<c08750e8>] (refcount_warn_saturate+0x6c/0x174)

 4471 22:39:23.563971  <4>[   91.072958]  r9:c1ad57f8 r8:c15ebd0c r7:c6d9df60 r6:00000017 r5:c6e74000 r4:c6d9c000

 4472 22:39:23.564241  <4>[   91.080975] [<c087507c>] (refcount_warn_saturate) from [<c13c77a0>] (__refcount_dec.constprop.0+0x38/0x3c)

 4473 22:39:23.564466  <4>[   91.090901] [<c13c7768>] (__refcount_dec.constprop.0) from [<c13c7f20>] (lkdtm_REFCOUNT_DEC_SATURATED+0x48/0x6c)

 4474 22:39:23.606726  <4>[   91.101347] [<c13c7ed8>] (lkdtm_REFCOUNT_DEC_SATURATED) from [<c0c5727c>] (lkdtm_do_action+0x2c/0x4c)

 4475 22:39:23.607189  <4>[   91.110832]  r4:00000036

 4476 22:39:23.607457  <4>[   91.113634] [<c0c57250>] (lkdtm_do_action) from [<c0c5777c>] (direct_entry+0x120/0x18c)

 4477 22:39:23.607681  <4>[   91.121912] [<c0c5765c>] (direct_entry) from [<c07e1728>] (full_proxy_write+0x64/0x94)

 4478 22:39:23.607893  <4>[   91.130098]  r9:c6d9df60 r8:c53900c0 r7:00000017 r6:b6e25000 r5:c5fda3c0 r4:c0c5765c

 4479 22:39:23.608098  <4>[   91.138118] [<c07e16c4>] (full_proxy_write) from [<c059ba74>] (vfs_write+0x10c/0x53c)

 4480 22:39:23.650036  <4>[   91.146216]  r9:c07e16c4 r8:c6d9df60 r7:c2815800 r6:b6e25000 r5:c5fda3c0 r4:00000000

 4481 22:39:23.650497  <4>[   91.154230] [<c059b968>] (vfs_write) from [<c059c020>] (ksys_write+0x74/0xec)

 4482 22:39:23.650760  <4>[   91.161635]  r10:00000004 r9:00000000 r8:00000000 r7:b6e25000 r6:c6d9c000 r5:c5fda3c0

 4483 22:39:23.650981  <4>[   91.169730]  r4:c5fda3c0

 4484 22:39:23.651184  <4>[   91.172535] [<c059bfac>] (ksys_write) from [<c059c0b0>] (sys_write+0x18/0x1c)

 4485 22:39:23.651386  <4>[   91.179938]  r9:c6d9c000 r8:c03002e4 r7:00000004 r6:b6f6ce00 r5:00000017 r4:00000017

 4486 22:39:23.694070  <4>[   91.187954] [<c059c098>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 4487 22:39:23.694527  <4>[   91.195788] Exception stack(0xc6d9dfa8 to 0xc6d9dff0)

 4488 22:39:23.694778  <4>[   91.201109] dfa0:                   00000017 00000017 00000001 b6e25000 00000017 00000000

 4489 22:39:23.694995  <4>[   91.209556] dfc0: 00000017 00000017 b6f6ce00 00000004 00000001 00000000 00020000 bed04ac4

 4490 22:39:23.695200  <4>[   91.217999] dfe0: 00000004 bed047f8 b6ed6d8f b6e5d7e6

 4491 22:39:23.695403  <4>[   91.223356] irq event stamp: 0

 4492 22:39:23.695604  <4>[   91.226711] hardirqs last  enabled at (0): [<00000000>] 0x0

 4493 22:39:23.737935  <4>[   91.232561] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 4494 22:39:23.738107  <4>[   91.240374] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 4495 22:39:23.738180  <4>[   91.248172] softirqs last disabled at (0): [<00000000>] 0x0

 4496 22:39:23.738235  <4>[   91.254041] ---[ end trace 77357beb01f1e27f ]---

 4497 22:39:23.738304  <6>[   91.258932] lkdtm: Saturation detected: still saturated

 4498 22:39:23.877518  # [   90.934360] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED

 4499 22:39:23.877968  # [   90.940770] lkdtm: attempting bad refcount_dec() from saturated

 4500 22:39:23.878258  # [   90.947027] ------------[ cut here ]------------

 4501 22:39:23.878483  # [   90.951939] WARNING: CPU: 0 PID: 3033 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174

 4502 22:39:23.878695  # [   90.960780] refcount_t: decrement hit 0; leaking memory.

 4503 22:39:23.920512  # [   90.966412] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 4504 22:39:23.920987  # [   90.995911] CPU: 0 PID: 3033 Comm: cat Tainted: G      D W         5.10.202-cip41 #1

 4505 22:39:23.921247  # [   91.003922] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 4506 22:39:23.921468  # [   91.010714] Backtrace: 

 4507 22:39:23.921707  # [   91.013446] [<c13b9678>] (dump_backtrace) from [<c13b9a38>] (show_stack+0x20/0x24)

 4508 22:39:23.963547  # [   91.021286]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8

 4509 22:39:23.963978  # [   91.027220] [<c13b9a18>] (show_stack) from [<c13c0c80>] (dump_stack+0xe0/0x100)

 4510 22:39:23.964207  # [   91.034804] [<c13c0ba0>] (dump_stack) from [<c03567c8>] (__warn+0x98/0x14c)

 4511 22:39:23.964436  # [   91.042036]  r9:00000009 r8:c08750e8 r7:0000001f r6:00000009 r5:c08750e8 r4:c1a29834

 4512 22:39:23.964652  # [   91.050049] [<c0356730>] (__warn) from [<c13bab70>] (warn_slowpath_fmt+0x8c/0xa8)

 4513 22:39:23.964858  # [   91.057799]  r7:0000001f r6:c1a29834 r5:c1a29898 r4:c6d9c000

 4514 22:39:24.006657  # [   91.063730] [<c13baae8>] (warn_slowpath_fmt) from [<c08750e8>] (refcount_warn_saturate+0x6c/0x174)

 4515 22:39:24.007080  # [   91.072958]  r9:c1ad57f8 r8:c15ebd0c r7:c6d9df60 r6:00000017 r5:c6e74000 r4:c6d9c000

 4516 22:39:24.007365  # [   91.080975] [<c087507c>] (refcount_warn_saturate) from [<c13c77a0>] (__refcount_dec.constprop.0+0x38/0x3c)

 4517 22:39:24.007590  # [   91.090901] [<c13c7768>] (__refcount_dec.constprop.0) from [<c13c7f20>] (lkdtm_REFCOUNT_DEC_SATURATED+0x48/0x6c)

 4518 22:39:24.050005  # [   91.101347] [<c13c7ed8>] (lkdtm_REFCOUNT_DEC_SATURATED) from [<c0c5727c>] (lkdtm_do_action+0x2c/0x4c)

 4519 22:39:24.050455  # [   91.110832]  r4:00000036

 4520 22:39:24.050753  # [   91.113634] [<c0c57250>] (lkdtm_do_action) from [<c0c5777c>] (direct_entry+0x120/0x18c)

 4521 22:39:24.051002  # [   91.121912] [<c0c5765c>] (direct_entry) from [<c07e1728>] (full_proxy_write+0x64/0x94)

 4522 22:39:24.051243  # [   91.130098]  r9:c6d9df60 r8:c53900c0 r7:00000017 r6:b6e25000 r5:c5fda3c0 r4:c0c5765c

 4523 22:39:24.051456  # [   91.138118] [<c07e16c4>] (full_proxy_write) from [<c059ba74>] (vfs_write+0x10c/0x53c)

 4524 22:39:24.093997  # [   91.146216]  r9:c07e16c4 r8:c6d9df60 r7:c2815800 r6:b6e25000 r5:c5fda3c0 r4:00000000

 4525 22:39:24.094420  # [   91.154230] [<c059b968>] (vfs_write) from [<c059c020>] (ksys_write+0x74/0xec)

 4526 22:39:24.094656  # [   91.161635]  r10:00000004 r9:00000000 r8:00000000 r7:b6e25000 r6:c6d9c000 r5:c5fda3c0

 4527 22:39:24.094856  # [   91.169730]  r4:c5fda3c0

 4528 22:39:24.095046  # [   91.172535] [<c059bfac>] (ksys_write) from [<c059c0b0>] (sys_write+0x18/0x1c)

 4529 22:39:24.095232  # [   91.179938]  r9:c6d9c000 r8:c03002e4 r7:00000004 r6:b6f6ce00 r5:00000017 r4:00000017

 4530 22:39:24.095421  # [   91.187954] [<c059c098>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 4531 22:39:24.138125  # [   91.195788] Exception stack(0xc6d9dfa8 to 0xc6d9dff0)

 4532 22:39:24.138549  # [   91.201109] dfa0:                   00000017 00000017 00000001 b6e25000 00000017 00000000

 4533 22:39:24.138801  # [   91.209556] dfc0: 00000017 00000017 b6f6ce00 00000004 00000001 00000000 00020000 bed04ac4

 4534 22:39:24.139011  # [   91.217999] dfe0: 00000004 bed047f8 b6ed6d8f b6e5d7e6

 4535 22:39:24.139202  # [   91.223356] irq event stamp: 0

 4536 22:39:24.139386  # [   91.226711] hardirqs last  enabled at (0): [<00000000>] 0x0

 4537 22:39:24.139571  # [   91.232561] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 4538 22:39:24.189141  # [   91.240374] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 4539 22:39:24.189598  # [   91.248172] softirqs last disabled at (0): [<00000000>] 0x0

 4540 22:39:24.189876  # [   91.254041] ---[ end trace 77357beb01f1e27f ]---

 4541 22:39:24.190096  # [   91.258932] lkdtm: Saturation detected: still saturated

 4542 22:39:24.190306  # REFCOUNT_DEC_SATURATED: saw 'Saturation detected: still saturated': ok

 4543 22:39:24.190510  ok 53 selftests: lkdtm: REFCOUNT_DEC_SATURATED.sh

 4544 22:39:24.190712  # selftests: lkdtm: REFCOUNT_ADD_SATURATED.sh

 4545 22:39:24.240662  <6>[   91.741180] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED

 4546 22:39:24.241115  <6>[   91.747672] lkdtm: attempting bad refcount_dec() from saturated

 4547 22:39:24.241383  <4>[   91.753948] ------------[ cut here ]------------

 4548 22:39:24.241604  <4>[   91.758862] WARNING: CPU: 2 PID: 3069 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174

 4549 22:39:24.241842  <4>[   91.767710] refcount_t: saturated; leaking memory.

 4550 22:39:24.283923  <4>[   91.772798] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 4551 22:39:24.284392  <4>[   91.802207] CPU: 2 PID: 3069 Comm: cat Tainted: G      D W         5.10.202-cip41 #1

 4552 22:39:24.284662  <4>[   91.810219] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 4553 22:39:24.284883  <4>[   91.817013] Backtrace: 

 4554 22:39:24.285090  <4>[   91.819745] [<c13b9678>] (dump_backtrace) from [<c13b9a38>] (show_stack+0x20/0x24)

 4555 22:39:24.327134  <4>[   91.827585]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8

 4556 22:39:24.327589  <4>[   91.833519] [<c13b9a18>] (show_stack) from [<c13c0c80>] (dump_stack+0xe0/0x100)

 4557 22:39:24.327854  <4>[   91.841103] [<c13c0ba0>] (dump_stack) from [<c03567c8>] (__warn+0x98/0x14c)

 4558 22:39:24.328074  <4>[   91.848335]  r9:00000009 r8:c0875150 r7:00000016 r6:00000009 r5:c0875150 r4:c1a29834

 4559 22:39:24.328285  <4>[   91.856350] [<c0356730>] (__warn) from [<c13bab70>] (warn_slowpath_fmt+0x8c/0xa8)

 4560 22:39:24.328491  <4>[   91.864101]  r7:00000016 r6:c1a29834 r5:c1a2980c r4:c6f08000

 4561 22:39:24.370265  <4>[   91.870032] [<c13baae8>] (warn_slowpath_fmt) from [<c0875150>] (refcount_warn_saturate+0xd4/0x174)

 4562 22:39:24.370726  <4>[   91.879258]  r9:c1ad5810 r8:c15ebd0c r7:c6f09f60 r6:00000017 r5:c5cc1000 r4:c6f08000

 4563 22:39:24.371000  <4>[   91.887275] [<c087507c>] (refcount_warn_saturate) from [<c0c58300>] (__refcount_add.constprop.0+0x44/0x58)

 4564 22:39:24.371223  <4>[   91.897205] [<c0c582bc>] (__refcount_add.constprop.0) from [<c13c7f90>] (lkdtm_REFCOUNT_ADD_SATURATED+0x4c/0x70)

 4565 22:39:24.414059  <4>[   91.907649] [<c13c7f44>] (lkdtm_REFCOUNT_ADD_SATURATED) from [<c0c5727c>] (lkdtm_do_action+0x2c/0x4c)

 4566 22:39:24.414517  <4>[   91.917133]  r4:00000037

 4567 22:39:24.414774  <4>[   91.919936] [<c0c57250>] (lkdtm_do_action) from [<c0c5777c>] (direct_entry+0x120/0x18c)

 4568 22:39:24.414995  <4>[   91.928216] [<c0c5765c>] (direct_entry) from [<c07e1728>] (full_proxy_write+0x64/0x94)

 4569 22:39:24.415206  <4>[   91.936403]  r9:c6f09f60 r8:c53900c0 r7:00000017 r6:b6e83000 r5:c477f540 r4:c0c5765c

 4570 22:39:24.415415  <4>[   91.944422] [<c07e16c4>] (full_proxy_write) from [<c059ba74>] (vfs_write+0x10c/0x53c)

 4571 22:39:24.458093  <4>[   91.952522]  r9:c07e16c4 r8:c6f09f60 r7:c2815800 r6:b6e83000 r5:c477f540 r4:00000000

 4572 22:39:24.458553  <4>[   91.960534] [<c059b968>] (vfs_write) from [<c059c020>] (ksys_write+0x74/0xec)

 4573 22:39:24.458826  <4>[   91.967937]  r10:00000004 r9:00000000 r8:00000000 r7:b6e83000 r6:c6f08000 r5:c477f540

 4574 22:39:24.459045  <4>[   91.976030]  r4:c477f540

 4575 22:39:24.459256  <4>[   91.978835] [<c059bfac>] (ksys_write) from [<c059c0b0>] (sys_write+0x18/0x1c)

 4576 22:39:24.459465  <4>[   91.986241]  r9:c6f08000 r8:c03002e4 r7:00000004 r6:b6fcae00 r5:00000017 r4:00000017

 4577 22:39:24.502060  <4>[   91.994257] [<c059c098>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 4578 22:39:24.502558  <4>[   92.002091] Exception stack(0xc6f09fa8 to 0xc6f09ff0)

 4579 22:39:24.502855  <4>[   92.007413] 9fa0:                   00000017 00000017 00000001 b6e83000 00000017 00000000

 4580 22:39:24.503113  <4>[   92.015861] 9fc0: 00000017 00000017 b6fcae00 00000004 00000001 00000000 00020000 bea51ac4

 4581 22:39:24.503356  <4>[   92.024305] 9fe0: 00000004 bea517f8 b6f34d8f b6ebb7e6

 4582 22:39:24.503607  <4>[   92.029686] irq event stamp: 0

 4583 22:39:24.503834  <4>[   92.033021] hardirqs last  enabled at (0): [<00000000>] 0x0

 4584 22:39:24.546191  <4>[   92.038895] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 4585 22:39:24.546609  <4>[   92.046699] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 4586 22:39:24.546861  <4>[   92.054511] softirqs last disabled at (0): [<00000000>] 0x0

 4587 22:39:24.547067  <4>[   92.060361] ---[ end trace 77357beb01f1e280 ]---

 4588 22:39:24.547260  <6>[   92.065283] lkdtm: Saturation detected: still saturated

 4589 22:39:24.676421  # [    0.000000] Dentry cache hash table entries: 131072 (order: 7, 524288 bytes, linear)

 4590 22:39:24.676881  # [    0.000000] Inode-cache hash table entries: 65536 (order: 6, 262144 bytes, linear)

 4591 22:39:24.677157  # [    0.000000] mem auto-init: stack:off, heap alloc:off, heap free:off

 4592 22:39:24.677382  # [    0.000000] Memory: 921476K/1048576K available (17408K kernel code, 2714K rwdata, 8140K rodata, 2048K init, 6693K bss, 61564K reserved, 65536K cma-reserved, 196608K highmem)

 4593 22:39:24.677600  # [    0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1

 4594 22:39:24.719488  # [    0.000000] ftrace: allocating 56135 entries in 165 pages

 4595 22:39:24.719942  # [    0.000000] ftrace: allocated 165 pages with 4 groups

 4596 22:39:24.720215  # [    0.000000] Running RCU self tests

 4597 22:39:24.720435  # [   91.741180] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED

 4598 22:39:24.720642  # [   91.747672] lkdtm: attempting bad refcount_dec() from saturated

 4599 22:39:24.720847  # [   91.753948] ------------[ cut here ]------------

 4600 22:39:24.721049  # [   91.758862] WARNING: CPU: 2 PID: 3069 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174

 4601 22:39:24.762469  # [   91.767710] refcount_t: saturated; leaking memory.

 4602 22:39:24.762941  # [   91.772798] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 4603 22:39:24.763230  # [   91.802207] CPU: 2 PID: 3069 Comm: cat Tainted: G      D W         5.10.202-cip41 #1

 4604 22:39:24.810030  # [   91.810219] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 4605 22:39:24.810440  # [   91.817013] Backtrace: 

 4606 22:39:24.810698  # [   91.819745] [<c13b9678>] (dump_backtrace) from [<c13b9a38>] (show_stack+0x20/0x24)

 4607 22:39:24.810907  # [   91.827585]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8

 4608 22:39:24.811099  # [   91.833519] [<c13b9a18>] (show_stack) from [<c13c0c80>] (dump_stack+0xe0/0x100)

 4609 22:39:24.811315  # [   91.841103] [<c13c0ba0>] (dump_stack) from [<c03567c8>] (__warn+0x98/0x14c)

 4610 22:39:24.811507  # [   91.848335]  r9:00000009 r8:c0875150 r7:00000016 r6:00000009 r5:c0875150 r4:c1a29834

 4611 22:39:24.854052  # [   91.856350] [<c0356730>] (__warn) from [<c13bab70>] (warn_slowpath_fmt+0x8c/0xa8)

 4612 22:39:24.854508  # [   91.864101]  r7:00000016 r6:c1a29834 r5:c1a2980c r4:c6f08000

 4613 22:39:24.854757  # [   91.870032] [<c13baae8>] (warn_slowpath_fmt) from [<c0875150>] (refcount_warn_saturate+0xd4/0x174)

 4614 22:39:24.854971  # [   91.879258]  r9:c1ad5810 r8:c15ebd0c r7:c6f09f60 r6:00000017 r5:c5cc1000 r4:c6f08000

 4615 22:39:24.855187  # [   91.887275] [<c087507c>] (refcount_warn_saturate) from [<c0c58300>] (__refcount_add.constprop.0+0x44/0x58)

 4616 22:39:24.898076  # [   91.897205] [<c0c582bc>] (__refcount_add.constprop.0) from [<c13c7f90>] (lkdtm_REFCOUNT_ADD_SATURATED+0x4c/0x70)

 4617 22:39:24.898492  # [   91.907649] [<c13c7f44>] (lkdtm_REFCOUNT_ADD_SATURATED) from [<c0c5727c>] (lkdtm_do_action+0x2c/0x4c)

 4618 22:39:24.898722  # [   91.917133]  r4:00000037

 4619 22:39:24.898920  # [   91.919936] [<c0c57250>] (lkdtm_do_action) from [<c0c5777c>] (direct_entry+0x120/0x18c)

 4620 22:39:24.899110  # [   91.928216] [<c0c5765c>] (direct_entry) from [<c07e1728>] (full_proxy_write+0x64/0x94)

 4621 22:39:24.899298  # [   91.936403]  r9:c6f09f60 r8:c53900c0 r7:00000017 r6:b6e83000 r5:c477f540 r4:c0c5765c

 4622 22:39:24.942098  # [   91.944422] [<c07e16c4>] (full_proxy_write) from [<c059ba74>] (vfs_write+0x10c/0x53c)

 4623 22:39:24.942569  # [   91.952522]  r9:c07e16c4 r8:c6f09f60 r7:c2815800 r6:b6e83000 r5:c477f540 r4:00000000

 4624 22:39:24.942840  # [   91.960534] [<c059b968>] (vfs_write) from [<c059c020>] (ksys_write+0x74/0xec)

 4625 22:39:24.943064  # [   91.967937]  r10:00000004 r9:00000000 r8:00000000 r7:b6e83000 r6:c6f08000 r5:c477f540

 4626 22:39:24.943272  # [   91.976030]  r4:c477f540

 4627 22:39:24.943478  # [   91.978835] [<c059bfac>] (ksys_write) from [<c059c0b0>] (sys_write+0x18/0x1c)

 4628 22:39:24.986063  # [   91.986241]  r9:c6f08000 r8:c03002e4 r7:00000004 r6:b6fcae00 r5:00000017 r4:00000017

 4629 22:39:24.986536  # [   91.994257] [<c059c098>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 4630 22:39:24.986828  # [   92.002091] Exception stack(0xc6f09fa8 to 0xc6f09ff0)

 4631 22:39:24.987054  # [   92.007413] 9fa0:                   00000017 00000017 00000001 b6e83000 00000017 00000000

 4632 22:39:24.987273  # [   92.015861] 9fc0: 00000017 00000017 b6fcae00 00000004 00000001 00000000 00020000 bea51ac4

 4633 22:39:24.987494  # [   92.024305] 9fe0: 00000004 bea517f8 b6f34d8f b6ebb7e6

 4634 22:39:24.987698  # [   92.029686] irq event stamp: 0

 4635 22:39:25.030134  # [   92.033021] hardirqs last  enabled at (0): [<00000000>] 0x0

 4636 22:39:25.030591  # [   92.038895] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 4637 22:39:25.030871  # [   92.046699] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 4638 22:39:25.031099  # [  <6>[   92.541591] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED

 4639 22:39:25.031307   92.054511] softirqs last disable<6>[   92.549541] lkdtm: attempting bad refcount_inc_not_zero() from saturated

 4640 22:39:25.031512  d at (0): [<00000000>] 0x0

 4641 22:39:25.074148  # [  <4>[   92.559370] ------------[ cut here ]------------

 4642 22:39:25.074603   92.060361] ---[ end trace 77357b<4>[   92.567252] WARNING: CPU: 0 PID: 3102 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174

 4643 22:39:25.074882  eb01f1e280 ]---

 4644 22:39:25.075105  # [   92.065283]<4>[   92.578770] refcount_t: saturated; leaking memory.

 4645 22:39:25.118150   lkdtm: Saturation detected: stil<4>[   92.586777] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 4646 22:39:25.118617  l saturated

 4647 22:39:25.118897  # REFCOUNT_ADD_SATUR<4>[   92.618707] CPU: 0 PID: 3102 Comm: cat Tainted: G      D W         5.10.202-cip41 #1

 4648 22:39:25.119130  <4>[   92.629529] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 4649 22:39:25.119337  <4>[   92.636321] Backtrace: 

 4650 22:39:25.119540  <4>[   92.639050] [<c13b9678>] (dump_backtrace) from [<c13b9a38>] (show_stack+0x20/0x24)

 4651 22:39:25.162142  <4>[   92.646890]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8

 4652 22:39:25.162598  <4>[   92.652824] [<c13b9a18>] (show_stack) from [<c13c0c80>] (dump_stack+0xe0/0x100)

 4653 22:39:25.162870  <4>[   92.660410] [<c13c0ba0>] (dump_stack) from [<c03567c8>] (__warn+0x98/0x14c)

 4654 22:39:25.163097  <4>[   92.667641]  r9:00000009 r8:c087511c r7:00000013 r6:00000009 r5:c087511c r4:c1a29834

 4655 22:39:25.163307  <4>[   92.675656] [<c0356730>] (__warn) from [<c13bab70>] (warn_slowpath_fmt+0x8c/0xa8)

 4656 22:39:25.163511  <4>[   92.683407]  r7:00000013 r6:c1a29834 r5:c1a2980c r4:c6e00000

 4657 22:39:25.206137  <4>[   92.689340] [<c13baae8>] (warn_slowpath_fmt) from [<c087511c>] (refcount_warn_saturate+0xa0/0x174)

 4658 22:39:25.206598  <4>[   92.698567]  r9:c1ad5828 r8:c15ebd0c r7:c6e01f60 r6:00000020 r5:c6b62000 r4:c0000000

 4659 22:39:25.206877  <4>[   92.706584] [<c087507c>] (refcount_warn_saturate) from [<c13c7808>] (__refcount_add_not_zero.constprop.0+0x64/0x78)

 4660 22:39:25.207108  <4>[   92.717293] [<c13c77a4>] (__refcount_add_not_zero.constprop.0) from [<c13c8004>] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x50/0x88)

 4661 22:39:25.207321  <4>[   92.729294]  r5:c6b62000 r4:c6e00000

 4662 22:39:25.250135  <4>[   92.733144] [<c13c7fb4>] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED) from [<c0c5727c>] (lkdtm_do_action+0x2c/0x4c)

 4663 22:39:25.250625  <4>[   92.743409]  r4:00000038

 4664 22:39:25.250926  <4>[   92.746214] [<c0c57250>] (lkdtm_do_action) from [<c0c5777c>] (direct_entry+0x120/0x18c)

 4665 22:39:25.251180  <4>[   92.754492] [<c0c5765c>] (direct_entry) from [<c07e1728>] (full_proxy_write+0x64/0x94)

 4666 22:39:25.251389  <4>[   92.762679]  r9:c6e01f60 r8:c53900c0 r7:00000020 r6:b6e08000 r5:c6a1d900 r4:c0c5765c

 4667 22:39:25.251593  <4>[   92.770700] [<c07e16c4>] (full_proxy_write) from [<c059ba74>] (vfs_write+0x10c/0x53c)

 4668 22:39:25.294151  <4>[   92.778799]  r9:c07e16c4 r8:c6e01f60 r7:c2815800 r6:b6e08000 r5:c6a1d900 r4:00000000

 4669 22:39:25.294611  <4>[   92.786812] [<c059b968>] (vfs_write) from [<c059c020>] (ksys_write+0x74/0xec)

 4670 22:39:25.294886  <4>[   92.794217]  r10:00000004 r9:00000000 r8:00000000 r7:b6e08000 r6:c6e00000 r5:c6a1d900

 4671 22:39:25.295109  <4>[   92.802309]  r4:c6a1d900

 4672 22:39:25.295318  <4>[   92.805113] [<c059bfac>] (ksys_write) from [<c059c0b0>] (sys_write+0x18/0x1c)

 4673 22:39:25.295525  <4>[   92.812519]  r9:c6e00000 r8:c03002e4 r7:00000004 r6:b6f4fe00 r5:00000020 r4:00000020

 4674 22:39:25.338138  <4>[   92.820535] [<c059c098>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 4675 22:39:25.338609  <4>[   92.828369] Exception stack(0xc6e01fa8 to 0xc6e01ff0)

 4676 22:39:25.338907  <4>[   92.833691] 1fa0:                   00000020 00000020 00000001 b6e08000 00000020 00000000

 4677 22:39:25.339144  <4>[   92.842137] 1fc0: 00000020 00000020 b6f4fe00 00000004 00000001 00000000 00020000 befc3ac4

 4678 22:39:25.339357  <4>[   92.850581] 1fe0: 00000004 befc37f8 b6eb9d8f b6e407e6

 4679 22:39:25.339561  ATED: saw 'Saturation detected: s<4>[   92.855965] irq event stamp: 0

 4680 22:39:25.339764  till saturated': ok

 4681 22:39:25.381956  ok 54 selfte<4>[   92.862152] hardirqs last  enabled at (0): [<00000000>] 0x0

 4682 22:39:25.382107  sts: lkdtm: REFCOUNT_ADD_SATURATE<4>[   92.870890] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 4683 22:39:25.382173  D.sh

 4684 22:39:25.382227  # selftests: lkdtm: REFCOUN<4>[   92.881535] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 4685 22:39:25.382280  T_INC_NOT_ZERO_SATURATED.sh

 4686 22:39:25.382331  <4>[   92.892146] softirqs last disabled at (0): [<00000000>] 0x0

 4687 22:39:25.382388  <4>[   92.900478] ---[ end trace 77357beb01f1e281 ]---

 4688 22:39:25.382441  <6>[   92.905389] lkdtm: Saturation detected: still saturated

 4689 22:39:25.522119  # [   92.541591] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED

 4690 22:39:25.522531  # [   92.549541] lkdtm: attempting bad refcount_inc_not_zero() from saturated

 4691 22:39:25.522757  # [   92.559370] ------------[ cut here ]------------

 4692 22:39:25.522954  # [   92.567252] WARNING: CPU: 0 PID: 3102 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174

 4693 22:39:25.523146  # [   92.578770] refcount_t: saturated; leaking memory.

 4694 22:39:25.566064  # [   92.586777] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 4695 22:39:25.566486  # [   92.618707] CPU: 0 PID: 3102 Comm: cat Tainted: G      D W         5.10.202-cip41 #1

 4696 22:39:25.566717  # [   92.629529] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 4697 22:39:25.566917  # [   92.636321] Backtrace: 

 4698 22:39:25.567106  # [   92.639050] [<c13b9678>] (dump_backtrace) from [<c13b9a38>] (show_stack+0x20/0x24)

 4699 22:39:25.610069  # [   92.646890]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8

 4700 22:39:25.610482  # [   92.652824] [<c13b9a18>] (show_stack) from [<c13c0c80>] (dump_stack+0xe0/0x100)

 4701 22:39:25.610715  # [   92.660410] [<c13c0ba0>] (dump_stack) from [<c03567c8>] (__warn+0x98/0x14c)

 4702 22:39:25.610912  # [   92.667641]  r9:00000009 r8:c087511c r7:00000013 r6:00000009 r5:c087511c r4:c1a29834

 4703 22:39:25.611104  # [   92.675656] [<c0356730>] (__warn) from [<c13bab70>] (warn_slowpath_fmt+0x8c/0xa8)

 4704 22:39:25.611288  # [   92.683407]  r7:00000013 r6:c1a29834 r5:c1a2980c r4:c6e00000

 4705 22:39:25.654065  # [   92.689340] [<c13baae8>] (warn_slowpath_fmt) from [<c087511c>] (refcount_warn_saturate+0xa0/0x174)

 4706 22:39:25.654476  # [   92.698567]  r9:c1ad5828 r8:c15ebd0c r7:c6e01f60 r6:00000020 r5:c6b62000 r4:c0000000

 4707 22:39:25.654705  # [   92.706584] [<c087507c>] (refcount_warn_saturate) from [<c13c7808>] (__refcount_add_not_zero.constprop.0+0x64/0x78)

 4708 22:39:25.654903  # [   92.717293] [<c13c77a4>] (__refcount_add_not_zero.constprop.0) from [<c13c8004>] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x50/0x88)

 4709 22:39:25.655092  # [   92.729294]  r5:c6b62000 r4:c6e00000

 4710 22:39:25.698038  # [   92.733144] [<c13c7fb4>] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED) from [<c0c5727c>] (lkdtm_do_action+0x2c/0x4c)

 4711 22:39:25.698466  # [   92.743409]  r4:00000038

 4712 22:39:25.698704  # [   92.746214] [<c0c57250>] (lkdtm_do_action) from [<c0c5777c>] (direct_entry+0x120/0x18c)

 4713 22:39:25.698903  # [   92.754492] [<c0c5765c>] (direct_entry) from [<c07e1728>] (full_proxy_write+0x64/0x94)

 4714 22:39:25.699090  # [   92.762679]  r9:c6e01f60 r8:c53900c0 r7:00000020 r6:b6e08000 r5:c6a1d900 r4:c0c5765c

 4715 22:39:25.742094  # [   92.770700] [<c07e16c4>] (full_proxy_write) from [<c059ba74>] (vfs_write+0x10c/0x53c)

 4716 22:39:25.742517  # [   92.778799]  r9:c07e16c4 r8:c6e01f60 r7:c2815800 r6:b6e08000 r5:c6a1d900 r4:00000000

 4717 22:39:25.742767  # [   92.786812] [<c059b968>] (vfs_write) from [<c059c020>] (ksys_write+0x74/0xec)

 4718 22:39:25.742978  # [   92.794217]  r10:00000004 r9:00000000 r8:00000000 r7:b6e08000 r6:c6e00000 r5:c6a1d900

 4719 22:39:25.743167  # [   92.802309]  r4:c6a1d900

 4720 22:39:25.743351  # [   92.805113] [<c059bfac>] (ksys_write) from [<c059c0b0>] (sys_write+0x18/0x1c)

 4721 22:39:25.743535  # [   92.812519]  r9:c6e00000 r8:c03002e4 r7:00000004 r6:b6f4fe00 r5:00000020 r4:00000020

 4722 22:39:25.786138  # [   92.820535] [<c059c098>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 4723 22:39:25.786595  # [   92.828369] Exception stack(0xc6e01fa8 to 0xc6e01ff0)

 4724 22:39:25.786876  # [   92.833691] 1fa0:                   00000020 00000020 00000001 b6e08000 00000020 00000000

 4725 22:39:25.787105  # [   92.842137] 1fc0: 00000020 00000020 b6f4fe00 00000004 00000001 00000000 00020000 befc3ac4

 4726 22:39:25.787316  # [   92.850581] 1fe0: 00000004 befc37f8 b6eb9d8f b6e407e6

 4727 22:39:25.787519  # [   92.855965] irq event stamp: 0

 4728 22:39:25.787720  # [   92.862152] hardirqs last  enabled at (0): [<00000000>] 0x0

 4729 22:39:25.830081  # [   92.870890] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 4730 22:39:25.830501  # [   92.881535] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 4731 22:39:25.830756  # [   92.892146] softirqs last disabled at (0): [<00000000>] 0x0

 4732 22:39:25.830975  # [   92.900478] ---[ end trace 77357beb01f1e281 ]---

 4733 22:39:25.831186  # [   92.905389] lkdtm: Saturation detected: still saturated

 4734 22:39:25.831391  # REFCOUNT_INC_NOT_ZERO_SATURATED: missing 'call trace:': [FAIL]

 4735 22:39:25.831593  not ok 55 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh # exit=1

 4736 22:39:25.874087  # <6>[   93.365684] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED

 4737 22:39:25.874509  selftests: lkdtm: REFCOUNT_ADD_NO<6>[   93.375113] lkdtm: attempting bad refcount_add_not_zero() from saturated

 4738 22:39:25.874759  T_ZERO_SATURATED.sh

 4739 22:39:25.874970  <4>[   93.385084] ------------[ cut here ]------------

 4740 22:39:25.875163  <4>[   93.391707] WARNING: CPU: 0 PID: 3137 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174

 4741 22:39:25.875375  <4>[   93.401232] refcount_t: saturated; leaking memory.

 4742 22:39:25.918154  <4>[   93.406362] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 4743 22:39:25.918628  <4>[   93.435779] CPU: 0 PID: 3137 Comm: cat Tainted: G      D W         5.10.202-cip41 #1

 4744 22:39:25.918910  <4>[   93.443791] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 4745 22:39:25.919136  <4>[   93.450584] Backtrace: 

 4746 22:39:25.962143  <4>[   93.453315] [<c13b9678>] (dump_backtrace) from [<c13b9a38>] (show_stack+0x20/0x24)

 4747 22:39:25.962601  <4>[   93.461157]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8

 4748 22:39:25.962870  <4>[   93.467089] [<c13b9a18>] (show_stack) from [<c13c0c80>] (dump_stack+0xe0/0x100)

 4749 22:39:25.963095  <4>[   93.474676] [<c13c0ba0>] (dump_stack) from [<c03567c8>] (__warn+0x98/0x14c)

 4750 22:39:25.963302  <4>[   93.481907]  r9:00000009 r8:c087511c r7:00000013 r6:00000009 r5:c087511c r4:c1a29834

 4751 22:39:25.963508  <4>[   93.489923] [<c0356730>] (__warn) from [<c13bab70>] (warn_slowpath_fmt+0x8c/0xa8)

 4752 22:39:26.006151  <4>[   93.497673]  r7:00000013 r6:c1a29834 r5:c1a2980c r4:c5b88000

 4753 22:39:26.006603  <4>[   93.503606] [<c13baae8>] (warn_slowpath_fmt) from [<c087511c>] (refcount_warn_saturate+0xa0/0x174)

 4754 22:39:26.006885  <4>[   93.512835]  r9:c1ad5848 r8:c15ebd0c r7:c5b89f60 r6:00000020 r5:c6eaf000 r4:c0000000

 4755 22:39:26.007113  <4>[   93.520853] [<c087507c>] (refcount_warn_saturate) from [<c13c7808>] (__refcount_add_not_zero.constprop.0+0x64/0x78)

 4756 22:39:26.050136  <4>[   93.531562] [<c13c77a4>] (__refcount_add_not_zero.constprop.0) from [<c13c808c>] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x50/0x88)

 4757 22:39:26.050598  <4>[   93.543563]  r5:c6eaf000 r4:c5b88000

 4758 22:39:26.050873  <4>[   93.547415] [<c13c803c>] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED) from [<c0c5727c>] (lkdtm_do_action+0x2c/0x4c)

 4759 22:39:26.051101  <4>[   93.557679]  r4:00000039

 4760 22:39:26.051308  <4>[   93.560482] [<c0c57250>] (lkdtm_do_action) from [<c0c5777c>] (direct_entry+0x120/0x18c)

 4761 22:39:26.051517  <4>[   93.568761] [<c0c5765c>] (direct_entry) from [<c07e1728>] (full_proxy_write+0x64/0x94)

 4762 22:39:26.051724  <4>[   93.576946]  r9:c5b89f60 r8:c53900c0 r7:00000020 r6:b6e3b000 r5:c477ea00 r4:c0c5765c

 4763 22:39:26.094142  <4>[   93.584966] [<c07e16c4>] (full_proxy_write) from [<c059ba74>] (vfs_write+0x10c/0x53c)

 4764 22:39:26.094600  <4>[   93.593064]  r9:c07e16c4 r8:c5b89f60 r7:c2815800 r6:b6e3b000 r5:c477ea00 r4:00000000

 4765 22:39:26.094876  <4>[   93.601077] [<c059b968>] (vfs_write) from [<c059c020>] (ksys_write+0x74/0xec)

 4766 22:39:26.095103  <4>[   93.608481]  r10:00000004 r9:00000000 r8:00000000 r7:b6e3b000 r6:c5b88000 r5:c477ea00

 4767 22:39:26.095315  <4>[   93.616575]  r4:c477ea00

 4768 22:39:26.095520  <4>[   93.619380] [<c059bfac>] (ksys_write) from [<c059c0b0>] (sys_write+0x18/0x1c)

 4769 22:39:26.138136  <4>[   93.626783]  r9:c5b88000 r8:c03002e4 r7:00000004 r6:b6f82e00 r5:00000020 r4:00000020

 4770 22:39:26.138593  <4>[   93.634798] [<c059c098>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 4771 22:39:26.138864  <4>[   93.642632] Exception stack(0xc5b89fa8 to 0xc5b89ff0)

 4772 22:39:26.139096  <4>[   93.647953] 9fa0:                   00000020 00000020 00000001 b6e3b000 00000020 00000000

 4773 22:39:26.139306  <4>[   93.656401] 9fc0: 00000020 00000020 b6f82e00 00000004 00000001 00000000 00020000 beb73ac4

 4774 22:39:26.139509  <4>[   93.664844] 9fe0: 00000004 beb737f8 b6eecd8f b6e737e6

 4775 22:39:26.182119  <4>[   93.670192] irq event stamp: 0

 4776 22:39:26.182533  <4>[   93.673525] hardirqs last  enabled at (0): [<00000000>] 0x0

 4777 22:39:26.182787  <4>[   93.679398] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 4778 22:39:26.183006  <4>[   93.687181] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 4779 22:39:26.183213  <4>[   93.694961] softirqs last disabled at (0): [<00000000>] 0x0

 4780 22:39:26.183414  <4>[   93.700806] ---[ end trace 77357beb01f1e282 ]---

 4781 22:39:26.183620  <6>[   93.705716] lkdtm: Saturation detected: still saturated

 4782 22:39:26.322400  # [   93.365684] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED

 4783 22:39:26.322852  # [   93.375113] lkdtm: attempting bad refcount_add_not_zero() from saturated

 4784 22:39:26.323128  # [   93.385084] ------------[ cut here ]------------

 4785 22:39:26.323353  # [   93.391707] WARNING: CPU: 0 PID: 3137 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174

 4786 22:39:26.323565  # [   93.401232] refcount_t: saturated; leaking memory.

 4787 22:39:26.370068  # [   93.406362] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 4788 22:39:26.370537  # [   93.435779] CPU: 0 PID: 3137 Comm: cat Tainted: G      D W         5.10.202-cip41 #1

 4789 22:39:26.370794  # [   93.443791] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 4790 22:39:26.371015  # [   93.450584] Backtrace: 

 4791 22:39:26.371236  # [   93.453315] [<c13b9678>] (dump_backtrace) from [<c13b9a38>] (show_stack+0x20/0x24)

 4792 22:39:26.414095  # [   93.461157]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8

 4793 22:39:26.414548  # [   93.467089] [<c13b9a18>] (show_stack) from [<c13c0c80>] (dump_stack+0xe0/0x100)

 4794 22:39:26.414799  # [   93.474676] [<c13c0ba0>] (dump_stack) from [<c03567c8>] (__warn+0x98/0x14c)

 4795 22:39:26.415021  # [   93.481907]  r9:00000009 r8:c087511c r7:00000013 r6:00000009 r5:c087511c r4:c1a29834

 4796 22:39:26.415230  # [   93.489923] [<c0356730>] (__warn) from [<c13bab70>] (warn_slowpath_fmt+0x8c/0xa8)

 4797 22:39:26.415434  # [   93.497673]  r7:00000013 r6:c1a29834 r5:c1a2980c r4:c5b88000

 4798 22:39:26.458072  # [   93.503606] [<c13baae8>] (warn_slowpath_fmt) from [<c087511c>] (refcount_warn_saturate+0xa0/0x174)

 4799 22:39:26.458488  # [   93.512835]  r9:c1ad5848 r8:c15ebd0c r7:c5b89f60 r6:00000020 r5:c6eaf000 r4:c0000000

 4800 22:39:26.458717  # [   93.520853] [<c087507c>] (refcount_warn_saturate) from [<c13c7808>] (__refcount_add_not_zero.constprop.0+0x64/0x78)

 4801 22:39:26.458953  # [   93.531562] [<c13c77a4>] (__refcount_add_not_zero.constprop.0) from [<c13c808c>] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x50/0x88)

 4802 22:39:26.459152  # [   93.543563]  r5:c6eaf000 r4:c5b88000

 4803 22:39:26.502123  # [   93.547415] [<c13c803c>] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED) from [<c0c5727c>] (lkdtm_do_action+0x2c/0x4c)

 4804 22:39:26.502566  # [   93.557679]  r4:00000039

 4805 22:39:26.502865  # [   93.560482] [<c0c57250>] (lkdtm_do_action) from [<c0c5777c>] (direct_entry+0x120/0x18c)

 4806 22:39:26.503098  # [   93.568761] [<c0c5765c>] (direct_entry) from [<c07e1728>] (full_proxy_write+0x64/0x94)

 4807 22:39:26.503291  # [   93.576946]  r9:c5b89f60 r8:c53900c0 r7:00000020 r6:b6e3b000 r5:c477ea00 r4:c0c5765c

 4808 22:39:26.546102  # [   93.584966] [<c07e16c4>] (full_proxy_write) from [<c059ba74>] (vfs_write+0x10c/0x53c)

 4809 22:39:26.546525  # [   93.593064]  r9:c07e16c4 r8:c5b89f60 r7:c2815800 r6:b6e3b000 r5:c477ea00 r4:00000000

 4810 22:39:26.546766  # [   93.601077] [<c059b968>] (vfs_write) from [<c059c020>] (ksys_write+0x74/0xec)

 4811 22:39:26.546967  # [   93.608481]  r10:00000004 r9:00000000 r8:00000000 r7:b6e3b000 r6:c5b88000 r5:c477ea00

 4812 22:39:26.547157  # [   93.616575]  r4:c477ea00

 4813 22:39:26.547343  # [   93.619380] [<c059bfac>] (ksys_write) from [<c059c0b0>] (sys_write+0x18/0x1c)

 4814 22:39:26.547530  # [   93.626783]  r9:c5b88000 r8:c03002e4 r7:00000004 r6:b6f82e00 r5:00000020 r4:00000020

 4815 22:39:26.590146  # [   93.634798] [<c059c098>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 4816 22:39:26.590607  # [   93.642632] Exception stack(0xc5b89fa8 to 0xc5b89ff0)

 4817 22:39:26.590900  # [   93.647953] 9fa0:                   00000020 00000020 00000001 b6e3b000 00000020 00000000

 4818 22:39:26.591126  # [   93.656401] 9fc0: 00000020 00000020 b6f82e00 00000004 00000001 00000000 00020000 beb73ac4

 4819 22:39:26.591334  # [   93.664844] 9fe0: 00000004 beb737f8 b6eecd8f b6e737e6

 4820 22:39:26.591539  # [   93.670192] irq event stamp: 0

 4821 22:39:26.591741  # [   93.673525] hardirqs last  enabled at (0): [<00000000>] 0x0

 4822 22:39:26.634270  # [   93.679398] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 4823 22:39:26.634691  # [   93.687181] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 4824 22:39:26.634940  # [   93.694961] softirqs last disabled at (0): [<00000000>] 0x0

 4825 22:39:26.635137  # [   93.700806] ---[ end trace 77357beb01f1e282 ]---

 4826 22:39:26.635327  # [   93.705716] lkdtm: Saturation detected: still saturated

 4827 22:39:26.635513  # REFCOUNT_ADD_NOT_ZERO_SATURATED: missing 'call trace:': [FAIL]

 4828 22:39:26.635698  not ok 56 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh # exit=1

 4829 22:39:26.678103  # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh

 4830 22:39:26.700795  <6>[   94.201258] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED

 4831 22:39:26.701253  <6>[   94.208550] lkdtm: attempting bad refcount_dec_and_test() from saturated

 4832 22:39:26.701515  <4>[   94.215596] ------------[ cut here ]------------

 4833 22:39:26.701805  <4>[   94.220508] WARNING: CPU: 0 PID: 3175 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174

 4834 22:39:26.702027  <4>[   94.229441] refcount_t: underflow; use-after-free.

 4835 22:39:26.746103  <4>[   94.234552] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 4836 22:39:26.746559  <4>[   94.264050] CPU: 0 PID: 3175 Comm: cat Tainted: G      D W         5.10.202-cip41 #1

 4837 22:39:26.746818  <4>[   94.272061] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 4838 22:39:26.747041  <4>[   94.278855] Backtrace: 

 4839 22:39:26.790142  <4>[   94.281585] [<c13b9678>] (dump_backtrace) from [<c13b9a38>] (show_stack+0x20/0x24)

 4840 22:39:26.790599  <4>[   94.289426]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8

 4841 22:39:26.790879  <4>[   94.295360] [<c13b9a18>] (show_stack) from [<c13c0c80>] (dump_stack+0xe0/0x100)

 4842 22:39:26.791104  <4>[   94.302946] [<c13c0ba0>] (dump_stack) from [<c03567c8>] (__warn+0x98/0x14c)

 4843 22:39:26.791317  <4>[   94.310179]  r9:00000009 r8:c08751b8 r7:0000001c r6:00000009 r5:c08751b8 r4:c1a29834

 4844 22:39:26.791521  <4>[   94.318192] [<c0356730>] (__warn) from [<c13bab70>] (warn_slowpath_fmt+0x8c/0xa8)

 4845 22:39:26.834134  <4>[   94.325943]  r7:0000001c r6:c1a29834 r5:c1a29870 r4:c6acc000

 4846 22:39:26.834590  <4>[   94.331876] [<c13baae8>] (warn_slowpath_fmt) from [<c08751b8>] (refcount_warn_saturate+0x13c/0x174)

 4847 22:39:26.834874  <4>[   94.341192]  r9:c1ad5868 r8:c15ebd0c r7:c6acdf60 r6:00000020 r5:c6fad000 r4:c6acc000

 4848 22:39:26.835105  <4>[   94.349209] [<c087507c>] (refcount_warn_saturate) from [<c0c58378>] (__refcount_sub_and_test.constprop.0+0x64/0x6c)

 4849 22:39:26.835319  <4>[   94.359922] [<c0c58314>] (__refcount_sub_and_test.constprop.0) from [<c13c8114>] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x50/0x88)

 4850 22:39:26.878148  <4>[   94.371932] [<c13c80c4>] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED) from [<c0c5727c>] (lkdtm_do_action+0x2c/0x4c)

 4851 22:39:26.878613  <4>[   94.382197]  r4:0000003a

 4852 22:39:26.878881  <4>[   94.385001] [<c0c57250>] (lkdtm_do_action) from [<c0c5777c>] (direct_entry+0x120/0x18c)

 4853 22:39:26.879109  <4>[   94.393281] [<c0c5765c>] (direct_entry) from [<c07e1728>] (full_proxy_write+0x64/0x94)

 4854 22:39:26.879317  <4>[   94.401467]  r9:c6acdf60 r8:c53900c0 r7:00000020 r6:b6e21000 r5:c6a1cb40 r4:c0c5765c

 4855 22:39:26.879521  <4>[   94.409485] [<c07e16c4>] (full_proxy_write) from [<c059ba74>] (vfs_write+0x10c/0x53c)

 4856 22:39:26.922078  <4>[   94.417585]  r9:c07e16c4 r8:c6acdf60 r7:c2815800 r6:b6e21000 r5:c6a1cb40 r4:00000000

 4857 22:39:26.922535  <4>[   94.425598] [<c059b968>] (vfs_write) from [<c059c020>] (ksys_write+0x74/0xec)

 4858 22:39:26.922788  <4>[   94.433003]  r10:00000004 r9:00000000 r8:00000000 r7:b6e21000 r6:c6acc000 r5:c6a1cb40

 4859 22:39:26.923012  <4>[   94.441096]  r4:c6a1cb40

 4860 22:39:26.923221  <4>[   94.443900] [<c059bfac>] (ksys_write) from [<c059c0b0>] (sys_write+0x18/0x1c)

 4861 22:39:26.923424  <4>[   94.451305]  r9:c6acc000 r8:c03002e4 r7:00000004 r6:b6f68e00 r5:00000020 r4:00000020

 4862 22:39:26.966111  <4>[   94.459319] [<c059c098>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 4863 22:39:26.966565  <4>[   94.467154] Exception stack(0xc6acdfa8 to 0xc6acdff0)

 4864 22:39:26.966823  <4>[   94.472476] dfa0:                   00000020 00000020 00000001 b6e21000 00000020 00000000

 4865 22:39:26.967047  <4>[   94.480922] dfc0: 00000020 00000020 b6f68e00 00000004 00000001 00000000 00020000 bef58ac4

 4866 22:39:26.967255  <4>[   94.489365] dfe0: 00000004 bef587f8 b6ed2d8f b6e597e6

 4867 22:39:26.967459  <4>[   94.494722] irq event stamp: 0

 4868 22:39:26.967664  <4>[   94.498055] hardirqs last  enabled at (0): [<00000000>] 0x0

 4869 22:39:27.009972  <4>[   94.503929] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 4870 22:39:27.010123  <4>[   94.511694] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 4871 22:39:27.010186  <4>[   94.519484] softirqs last disabled at (0): [<00000000>] 0x0

 4872 22:39:27.010237  <4>[   94.525354] ---[ end trace 77357beb01f1e283 ]---

 4873 22:39:27.010284  <6>[   94.530245] lkdtm: Saturation detected: still saturated

 4874 22:39:27.150349  # [   94.201258] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED

 4875 22:39:27.150802  # [   94.208550] lkdtm: attempting bad refcount_dec_and_test() from saturated

 4876 22:39:27.151069  # [   94.215596] ------------[ cut here ]------------

 4877 22:39:27.151288  # [   94.220508] WARNING: CPU: 0 PID: 3175 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174

 4878 22:39:27.151498  # [   94.229441] refcount_t: underflow; use-after-free.

 4879 22:39:27.198055  # [   94.234552] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 4880 22:39:27.198517  # [   94.264050] CPU: 0 PID: 3175 Comm: cat Tainted: G      D W         5.10.202-cip41 #1

 4881 22:39:27.198771  # [   94.272061] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 4882 22:39:27.198987  # [   94.278855] Backtrace: 

 4883 22:39:27.242013  # [   94.281585] [<c13b9678>] (dump_backtrace) from [<c13b9a38>] (show_stack+0x20/0x24)

 4884 22:39:27.242449  # [   94.289426]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8

 4885 22:39:27.242679  # [   94.295360] [<c13b9a18>] (show_stack) from [<c13c0c80>] (dump_stack+0xe0/0x100)

 4886 22:39:27.242875  # [   94.302946] [<c13c0ba0>] (dump_stack) from [<c03567c8>] (__warn+0x98/0x14c)

 4887 22:39:27.243063  # [   94.310179]  r9:00000009 r8:c08751b8 r7:0000001c r6:00000009 r5:c08751b8 r4:c1a29834

 4888 22:39:27.243254  # [   94.318192] [<c0356730>] (__warn) from [<c13bab70>] (warn_slowpath_fmt+0x8c/0xa8)

 4889 22:39:27.243468  # [   94.325943]  r7:0000001c r6:c1a29834 r5:c1a29870 r4:c6acc000

 4890 22:39:27.286017  # [   94.331876] [<c13baae8>] (warn_slowpath_fmt) from [<c08751b8>] (refcount_warn_saturate+0x13c/0x174)

 4891 22:39:27.286461  # [   94.341192]  r9:c1ad5868 r8:c15ebd0c r7:c6acdf60 r6:00000020 r5:c6fad000 r4:c6acc000

 4892 22:39:27.286740  # [   94.349209] [<c087507c>] (refcount_warn_saturate) from [<c0c58378>] (__refcount_sub_and_test.constprop.0+0x64/0x6c)

 4893 22:39:27.286953  # [   94.359922] [<c0c58314>] (__refcount_sub_and_test.constprop.0) from [<c13c8114>] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x50/0x88)

 4894 22:39:27.330005  # [   94.371932] [<c13c80c4>] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED) from [<c0c5727c>] (lkdtm_do_action+0x2c/0x4c)

 4895 22:39:27.330420  # [   94.382197]  r4:0000003a

 4896 22:39:27.330652  # [   94.385001] [<c0c57250>] (lkdtm_do_action) from [<c0c5777c>] (direct_entry+0x120/0x18c)

 4897 22:39:27.330852  # [   94.393281] [<c0c5765c>] (direct_entry) from [<c07e1728>] (full_proxy_write+0x64/0x94)

 4898 22:39:27.331043  # [   94.401467]  r9:c6acdf60 r8:c53900c0 r7:00000020 r6:b6e21000 r5:c6a1cb40 r4:c0c5765c

 4899 22:39:27.331228  # [   94.409485] [<c07e16c4>] (full_proxy_write) from [<c059ba74>] (vfs_write+0x10c/0x53c)

 4900 22:39:27.374133  # [   94.417585]  r9:c07e16c4 r8:c6acdf60 r7:c2815800 r6:b6e21000 r5:c6a1cb40 r4:00000000

 4901 22:39:27.374548  # [   94.425598] [<c059b968>] (vfs_write) from [<c059c020>] (ksys_write+0x74/0xec)

 4902 22:39:27.374774  # [   94.433003]  r10:00000004 r9:00000000 r8:00000000 r7:b6e21000 r6:c6acc000 r5:c6a1cb40

 4903 22:39:27.374974  # [   94.441096]  r4:c6a1cb40

 4904 22:39:27.375160  # [   94.443900] [<c059bfac>] (ksys_write) from [<c059c0b0>] (sys_write+0x18/0x1c)

 4905 22:39:27.375342  # [   94.451305]  r9:c6acc000 r8:c03002e4 r7:00000004 r6:b6f68e00 r5:00000020 r4:00000020

 4906 22:39:27.418099  # [   94.459319] [<c059c098>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 4907 22:39:27.418578  # [   94.467154] Exception stack(0xc6acdfa8 to 0xc6acdff0)

 4908 22:39:27.418870  # [   94.472476] dfa0:                   00000020 00000020 00000001 b6e21000 00000020 00000000

 4909 22:39:27.419102  # [   94.480922] dfc0: 00000020 00000020 b6f68e00 00000004 00000001 00000000 00020000 bef58ac4

 4910 22:39:27.419314  # [   94.489365] dfe0: 00000004 bef587f8 b6ed2d8f b6e597e6

 4911 22:39:27.419518  # [   94.494722] irq event stamp: 0

 4912 22:39:27.419721  # [   94.498055] hardirqs last  enabled at (0): [<00000000>] 0x0

 4913 22:39:27.462030  # [   94.503929] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 4914 22:39:27.462445  # [   94.511694] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 4915 22:39:27.462676  # [   94.519484] softirqs last disabled at (0): [<00000000>] 0x0

 4916 22:39:27.462905  # [   94.525354] ---[ end trace 77357beb01f1e283 ]---

 4917 22:39:27.463117  # [   94.530245] lkdtm: Saturation detected: still saturated

 4918 22:39:27.463325  # REFCOUNT_DEC_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok

 4919 22:39:27.463526  ok 57 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh

 4920 22:39:27.506101  # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh

 4921 22:39:27.506560  <6>[   95.006466] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED

 4922 22:39:27.506840  <6>[   95.013623] lkdtm: attempting bad refcount_sub_and_test() from saturated

 4923 22:39:27.507070  <4>[   95.020787] ------------[ cut here ]------------

 4924 22:39:27.507280  <4>[   95.025781] WARNING: CPU: 0 PID: 3211 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174

 4925 22:39:27.507487  <4>[   95.034653] refcount_t: underflow; use-after-free.

 4926 22:39:27.550108  <4>[   95.039720] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 4927 22:39:27.550583  <4>[   95.069317] CPU: 0 PID: 3211 Comm: cat Tainted: G      D W         5.10.202-cip41 #1

 4928 22:39:27.550868  <4>[   95.077332] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 4929 22:39:27.551095  <4>[   95.084128] Backtrace: 

 4930 22:39:27.594101  <4>[   95.086863] [<c13b9678>] (dump_backtrace) from [<c13b9a38>] (show_stack+0x20/0x24)

 4931 22:39:27.594560  <4>[   95.094708]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8

 4932 22:39:27.594832  <4>[   95.100646] [<c13b9a18>] (show_stack) from [<c13c0c80>] (dump_stack+0xe0/0x100)

 4933 22:39:27.595063  <4>[   95.108237] [<c13c0ba0>] (dump_stack) from [<c03567c8>] (__warn+0x98/0x14c)

 4934 22:39:27.595272  <4>[   95.115474]  r9:00000009 r8:c08751b8 r7:0000001c r6:00000009 r5:c08751b8 r4:c1a29834

 4935 22:39:27.595477  <4>[   95.123493] [<c0356730>] (__warn) from [<c13bab70>] (warn_slowpath_fmt+0x8c/0xa8)

 4936 22:39:27.638100  <4>[   95.131247]  r7:0000001c r6:c1a29834 r5:c1a29870 r4:c6a66000

 4937 22:39:27.638559  <4>[   95.137184] [<c13baae8>] (warn_slowpath_fmt) from [<c08751b8>] (refcount_warn_saturate+0x13c/0x174)

 4938 22:39:27.638842  <4>[   95.146503]  r9:c1ad5888 r8:c15ebd0c r7:c6a67f60 r6:00000020 r5:c6fad000 r4:c6a66000

 4939 22:39:27.639072  <4>[   95.154525] [<c087507c>] (refcount_warn_saturate) from [<c0c58378>] (__refcount_sub_and_test.constprop.0+0x64/0x6c)

 4940 22:39:27.639287  <4>[   95.165243] [<c0c58314>] (__refcount_sub_and_test.constprop.0) from [<c13c819c>] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x50/0x88)

 4941 22:39:27.682094  <4>[   95.177256] [<c13c814c>] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED) from [<c0c5727c>] (lkdtm_do_action+0x2c/0x4c)

 4942 22:39:27.682557  <4>[   95.187525]  r4:0000003b

 4943 22:39:27.682838  <4>[   95.190335] [<c0c57250>] (lkdtm_do_action) from [<c0c5777c>] (direct_entry+0x120/0x18c)

 4944 22:39:27.683074  <4>[   95.198619] [<c0c5765c>] (direct_entry) from [<c07e1728>] (full_proxy_write+0x64/0x94)

 4945 22:39:27.683282  <4>[   95.206810]  r9:c6a67f60 r8:c53900c0 r7:00000020 r6:b6e27000 r5:c477edc0 r4:c0c5765c

 4946 22:39:27.726097  <4>[   95.214833] [<c07e16c4>] (full_proxy_write) from [<c059ba74>] (vfs_write+0x10c/0x53c)

 4947 22:39:27.726554  <4>[   95.222936]  r9:c07e16c4 r8:c6a67f60 r7:c2815800 r6:b6e27000 r5:c477edc0 r4:00000000

 4948 22:39:27.726832  <4>[   95.230953] [<c059b968>] (vfs_write) from [<c059c020>] (ksys_write+0x74/0xec)

 4949 22:39:27.727064  <4>[   95.238361]  r10:00000004 r9:00000000 r8:00000000 r7:b6e27000 r6:c6a66000 r5:c477edc0

 4950 22:39:27.727277  <4>[   95.246459]  r4:c477edc0

 4951 22:39:27.727485  <4>[   95.249267] [<c059bfac>] (ksys_write) from [<c059c0b0>] (sys_write+0x18/0x1c)

 4952 22:39:27.727685  <4>[   95.256676]  r9:c6a66000 r8:c03002e4 r7:00000004 r6:b6f6ee00 r5:00000020 r4:00000020

 4953 22:39:27.770104  <4>[   95.264694] [<c059c098>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 4954 22:39:27.770597  <4>[   95.272533] Exception stack(0xc6a67fa8 to 0xc6a67ff0)

 4955 22:39:27.770938  <4>[   95.277858] 7fa0:                   00000020 00000020 00000001 b6e27000 00000020 00000000

 4956 22:39:27.771203  <4>[   95.286308] 7fc0: 00000020 00000020 b6f6ee00 00000004 00000001 00000000 00020000 bea4aac4

 4957 22:39:27.771451  <4>[   95.294753] 7fe0: 00000004 bea4a7f8 b6ed8d8f b6e5f7e6

 4958 22:39:27.771669  <4>[   95.300117] irq event stamp: 0

 4959 22:39:27.813887  <4>[   95.303455] hardirqs last  enabled at (0): [<00000000>] 0x0

 4960 22:39:27.814054  <4>[   95.309348] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 4961 22:39:27.814143  <4>[   95.317159] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 4962 22:39:27.814203  <4>[   95.324961] softirqs last disabled at (0): [<00000000>] 0x0

 4963 22:39:27.814259  <4>[   95.330811] ---[ end trace 77357beb01f1e284 ]---

 4964 22:39:27.814314  <6>[   95.335732] lkdtm: Saturation detected: still saturated

 4965 22:39:27.961657  # [   95.006466] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED

 4966 22:39:27.962121  # [   95.013623] lkdtm: attempting bad refcount_sub_and_test() from saturated

 4967 22:39:27.962395  # [   95.020787] ------------[ cut here ]------------

 4968 22:39:27.962613  # [   95.025781] WARNING: CPU: 0 PID: 3211 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174

 4969 22:39:27.962825  # [   95.034653] refcount_t: underflow; use-after-free.

 4970 22:39:28.004709  # [   95.039720] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes phy_generic snd_soc_sgtl5000 snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error parallel_display flexcan can_dev imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 4971 22:39:28.005197  # [   95.069317] CPU: 0 PID: 3211 Comm: cat Tainted: G      D W         5.10.202-cip41 #1

 4972 22:39:28.005490  # [   95.077332] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 4973 22:39:28.005743  # [   95.084128] Backtrace: 

 4974 22:39:28.005960  # [   95.086863] [<c13b9678>] (dump_backtrace) from [<c13b9a38>] (show_stack+0x20/0x24)

 4975 22:39:28.047581  # [   95.094708]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8

 4976 22:39:28.047996  # [   95.100646] [<c13b9a18>] (show_stack) from [<c13c0c80>] (dump_stack+0xe0/0x100)

 4977 22:39:28.048227  # [   95.108237] [<c13c0ba0>] (dump_stack) from [<c03567c8>] (__warn+0x98/0x14c)

 4978 22:39:28.048424  # [   95.115474]  r9:00000009 r8:c08751b8 r7:0000001c r6:00000009 r5:c08751b8 r4:c1a29834

 4979 22:39:28.048617  # [   95.123493] [<c0356730>] (__warn) from [<c13bab70>] (warn_slowpath_fmt+0x8c/0xa8)

 4980 22:39:28.048803  # [   95.131247]  r7:0000001c r6:c1a29834 r5:c1a29870 r4:c6a66000

 4981 22:39:28.094095  # [   95.137184] [<c13baae8>] (warn_slowpath_fmt) from [<c08751b8>] (refcount_warn_saturate+0x13c/0x174)

 4982 22:39:28.094520  # [   95.146503]  r9:c1ad5888 r8:c15ebd0c r7:c6a67f60 r6:00000020 r5:c6fad000 r4:c6a66000

 4983 22:39:28.094774  # [   95.154525] [<c087507c>] (refcount_warn_saturate) from [<c0c58378>] (__refcount_sub_and_test.constprop.0+0x64/0x6c)

 4984 22:39:28.094986  # [   95.165243] [<c0c58314>] (__refcount_sub_and_test.constprop.0) from [<c13c819c>] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x50/0x88)

 4985 22:39:28.138036  # [   95.177256] [<c13c814c>] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED) from [<c0c5727c>] (lkdtm_do_action+0x2c/0x4c)

 4986 22:39:28.138465  # [   95.187525]  r4:0000003b

 4987 22:39:28.138709  # [   95.190335] [<c0c57250>] (lkdtm_do_action) from [<c0c5777c>] (direct_entry+0x120/0x18c)

 4988 22:39:28.138911  # [   95.198619] [<c0c5765c>] (direct_entry) from [<c07e1728>] (full_proxy_write+0x64/0x94)

 4989 22:39:28.139116  # [   95.206810]  r9:c6a67f60 r8:c53900c0 r7:00000020 r6:b6e27000 r5:c477edc0 r4:c0c5765c

 4990 22:39:28.139318  # [   95.214833] [<c07e16c4>] (full_proxy_write) from [<c059ba74>] (vfs_write+0x10c/0x53c)

 4991 22:39:28.182101  # [   95.222936]  r9:c07e16c4 r8:c6a67f60 r7:c2815800 r6:b6e27000 r5:c477edc0 r4:00000000

 4992 22:39:28.182561  # [   95.230953] [<c059b968>] (vfs_write) from [<c059c020>] (ksys_write+0x74/0xec)

 4993 22:39:28.182833  # [   95.238361]  r10:00000004 r9:00000000 r8:00000000 r7:b6e27000 r6:c6a66000 r5:c477edc0

 4994 22:39:28.183064  # [   95.246459]  r4:c477edc0

 4995 22:39:28.183273  # [   95.249267] [<c059bfac>] (ksys_write) from [<c059c0b0>] (sys_write+0x18/0x1c)

 4996 22:39:28.183477  # [   95.256676]  r9:c6a66000 r8:c03002e4 r7:00000004 r6:b6f6ee00 r5:00000020 r4:00000020

 4997 22:39:28.183681  # [   95.264694] [<c059c098>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 4998 22:39:28.226043  # [   95.272533] Exception stack(0xc6a67fa8 to 0xc6a67ff0)

 4999 22:39:28.226523  # [   95.277858] 7fa0:                   00000020 00000020 00000001 b6e27000 00000020 00000000

 5000 22:39:28.226785  # [   95.286308] 7fc0: 00000020 00000020 b6f6ee00 00000004 00000001 00000000 00020000 bea4aac4

 5001 22:39:28.227005  # [   95.294753] 7fe0: 00000004 bea4a7f8 b6ed8d8f b6e5f7e6

 5002 22:39:28.227251  # [   95.300117] irq event stamp: 0

 5003 22:39:28.227473  # [   95.303455] hardirqs last  enabled at (0): [<00000000>] 0x0

 5004 22:39:28.227706  # [   95.309348] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 5005 22:39:28.270028  # [   95.317159] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 5006 22:39:28.270482  # [   95.324961] softirqs last disabled at (0): [<00000000>] 0x0

 5007 22:39:28.270757  # [   95.330811] ---[ end trace 77357beb01f1e284 ]---

 5008 22:39:28.270969  # [   95.335732] lkdtm: Saturation detected: still saturated

 5009 22:39:28.271158  # REFCOUNT_SUB_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok

 5010 22:39:28.271346  ok 58 selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh

 5011 22:39:28.271533  # selftests: lkdtm: REFCOUNT_TIMING.sh

 5012 22:39:28.271718  # Skipping REFCOUNT_TIMING: timing only

 5013 22:39:28.314033  ok 59 selftests: lkdtm: REFCOUNT_TIMING.sh # SKIP

 5014 22:39:28.314452  # selftests: lkdtm: ATOMIC_TIMING.sh

 5015 22:39:28.363754  # Skipping ATOMIC_TIMING: timing only

 5016 22:39:28.379707  ok 60 selftests: lkdtm: ATOMIC_TIMING.sh # SKIP

 5017 22:39:28.395705  # selftests: lkdtm: USERCOPY_HEAP_SIZE_TO.sh

 5018 22:39:28.667077  <6>[   96.177762] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO

 5019 22:39:28.667569  <6>[   96.184152] lkdtm: attempting good copy_to_user of correct size

 5020 22:39:28.667854  <6>[   96.190374] lkdtm: attempting bad copy_to_user of too large size

 5021 22:39:28.801907  # [   96.177762] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO

 5022 22:39:28.802336  # [   96.184152] lkdtm: attempting good copy_to_user of correct size

 5023 22:39:28.802575  # [   96.190374] lkdtm: attempting bad copy_to_user of too large size

 5024 22:39:28.818032  # USERCOPY_HEAP_SIZE_TO: missing 'call trace:': [FAIL]

 5025 22:39:28.842818  not ok 61 selftests: lkdtm: USERCOPY_HEAP_SIZE_TO.sh # exit=1

 5026 22:39:28.858966  # selftests: lkdtm: USERCOPY_HEAP_SIZE_FROM.sh

 5027 22:39:29.130130  <6>[   96.642430] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM

 5028 22:39:29.130279  <6>[   96.649007] lkdtm: attempting good copy_from_user of correct size

 5029 22:39:29.130350  <6>[   96.655493] lkdtm: attempting bad copy_from_user of too large size

 5030 22:39:29.259060  # [   96.642430] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM

 5031 22:39:29.259508  # [   96.649007] lkdtm: attempting good copy_from_user of correct size

 5032 22:39:29.259792  # [   96.655493] lkdtm: attempting bad copy_from_user of too large size

 5033 22:39:29.275129  # USERCOPY_HEAP_SIZE_FROM: missing 'call trace:': [FAIL]

 5034 22:39:29.301126  not ok 62 selftests: lkdtm: USERCOPY_HEAP_SIZE_FROM.sh # exit=1

 5035 22:39:29.317150  # selftests: lkdtm: USERCOPY_HEAP_WHITELIST_TO.sh

 5036 22:39:29.590241  <6>[   97.103451] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO

 5037 22:39:29.590391  <6>[   97.110277] lkdtm: attempting good copy_to_user inside whitelist

 5038 22:39:29.590449  <6>[   97.116782] lkdtm: attempting bad copy_to_user outside whitelist

 5039 22:39:29.718295  # [   97.103451] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO

 5040 22:39:29.718746  # [   97.110277] lkdtm: attempting good copy_to_user inside whitelist

 5041 22:39:29.718997  # [   97.116782] lkdtm: attempting bad copy_to_user outside whitelist

 5042 22:39:29.734296  # USERCOPY_HEAP_WHITELIST_TO: missing 'call trace:': [FAIL]

 5043 22:39:29.759172  not ok 63 selftests: lkdtm: USERCOPY_HEAP_WHITELIST_TO.sh # exit=1

 5044 22:39:29.775256  # selftests: lkdtm: USERCOPY_HEAP_WHITELIST_FROM.sh

 5045 22:39:30.034778  <6>[   97.547072] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM

 5046 22:39:30.035254  <6>[   97.554122] lkdtm: attempting good copy_from_user inside whitelist

 5047 22:39:30.035540  <6>[   97.560623] lkdtm: attempting bad copy_from_user outside whitelist

 5048 22:39:30.162401  # [   97.547072] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM

 5049 22:39:30.162833  # [   97.554122] lkdtm: attempting good copy_from_user inside whitelist

 5050 22:39:30.163104  # [   97.560623] lkdtm: attempting bad copy_from_user outside whitelist

 5051 22:39:30.178449  # USERCOPY_HEAP_WHITELIST_FROM: missing 'call trace:': [FAIL]

 5052 22:39:30.203456  not ok 64 selftests: lkdtm: USERCOPY_HEAP_WHITELIST_FROM.sh # exit=1

 5053 22:39:30.219482  # selftests: lkdtm: USERCOPY_STACK_FRAME_TO.sh

 5054 22:39:30.506844  <6>[   98.008631] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO

 5055 22:39:30.507307  <6>[   98.015249] lkdtm: good_stack: c6e8be0c-c6e8be2c

 5056 22:39:30.507568  <6>[   98.020172] lkdtm: bad_stack : c6e8bd84-c6e8bda4

 5057 22:39:30.507788  <6>[   98.025118] lkdtm: attempting good copy_to_user of local stack

 5058 22:39:30.507999  <6>[   98.031266] lkdtm: attempting bad copy_to_user of distant stack

 5059 22:39:30.655623  # [   98.008631] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO

 5060 22:39:30.656080  # [   98.015249] lkdtm: good_stack: c6e8be0c-c6e8be2c

 5061 22:39:30.656342  # [   98.020172] lkdtm: bad_stack : c6e8bd84-c6e8bda4

 5062 22:39:30.656560  # [   98.025118] lkdtm: attempting good copy_to_user of local stack

 5063 22:39:30.656771  # [   98.031266] lkdtm: attempting bad copy_to_user of distant stack

 5064 22:39:30.656975  # USERCOPY_STACK_FRAME_TO: missing 'call trace:': [FAIL]

 5065 22:39:30.678573  not ok 65 selftests: lkdtm: USERCOPY_STACK_FRAME_TO.sh # exit=1

 5066 22:39:30.694545  # selftests: lkdtm: USERCOPY_STACK_FRAME_FROM.sh

 5067 22:39:30.968031  <6>[   98.469927] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM

 5068 22:39:30.968471  <6>[   98.476718] lkdtm: good_stack: c6c8de0c-c6c8de2c

 5069 22:39:30.968722  <6>[   98.481638] lkdtm: bad_stack : c6c8dd84-c6c8dda4

 5070 22:39:30.968940  <6>[   98.486603] lkdtm: attempting good copy_from_user of local stack

 5071 22:39:30.969149  <6>[   98.492901] lkdtm: attempting bad copy_from_user of distant stack

 5072 22:39:31.105856  # [   98.469927] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM

 5073 22:39:31.106314  # [   98.476718] lkdtm: good_stack: c6c8de0c-c6c8de2c

 5074 22:39:31.106584  # [   98.481638] lkdtm: bad_stack : c6c8dd84-c6c8dda4

 5075 22:39:31.106802  # [   98.486603] lkdtm: attempting good copy_from_user of local stack

 5076 22:39:31.107007  # [   98.492901] lkdtm: attempting bad copy_from_user of distant stack

 5077 22:39:31.107214  # USERCOPY_STACK_FRAME_FROM: missing 'call trace:': [FAIL]

 5078 22:39:31.128647  not ok 66 selftests: lkdtm: USERCOPY_STACK_FRAME_FROM.sh # exit=1

 5079 22:39:31.144792  # selftests: lkdtm: USERCOPY_STACK_BEYOND.sh

 5080 22:39:31.427099  <6>[   98.927609] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND

 5081 22:39:31.427586  <6>[   98.934063] lkdtm: good_stack: c428be0c-c428be2c

 5082 22:39:31.427929  <6>[   98.938980] lkdtm: bad_stack : c428bffc-c428c01c

 5083 22:39:31.428213  <6>[   98.943927] lkdtm: attempting good copy_to_user of local stack

 5084 22:39:31.428474  <6>[   98.950077] lkdtm: attempting bad copy_to_user of distant stack

 5085 22:39:31.568960  # [   98.927609] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND

 5086 22:39:31.569416  # [   98.934063] lkdtm: good_stack: c428be0c-c428be2c

 5087 22:39:31.569726  # [   98.938980] lkdtm: bad_stack : c428bffc-c428c01c

 5088 22:39:31.569957  # [   98.943927] lkdtm: attempting good copy_to_user of local stack

 5089 22:39:31.570172  # [   98.950077] lkdtm: attempting bad copy_to_user of distant stack

 5090 22:39:31.570375  # USERCOPY_STACK_BEYOND: missing 'call trace:': [FAIL]

 5091 22:39:31.596648  not ok 67 selftests: lkdtm: USERCOPY_STACK_BEYOND.sh # exit=1

 5092 22:39:31.612810  # selftests: lkdtm: USERCOPY_KERNEL.sh

 5093 22:39:31.891290  <6>[   99.397275] lkdtm: Performing direct entry USERCOPY_KERNEL

 5094 22:39:31.891798  <6>[   99.404051] lkdtm: attempting good copy_to_user from kernel rodata: c15ebfb8

 5095 22:39:31.892109  <6>[   99.411611] lkdtm: attempting bad copy_to_user from kernel text: c053da6c

 5096 22:39:31.892343  <3>[   99.418789] lkdtm: FAIL: survived bad copy_to_user()

 5097 22:39:32.040230  # [   99.397275] lkdtm: Performing direct entry USERCOPY_KERNEL

 5098 22:39:32.040688  # [   99.404051] lkdtm: attempting good copy_to_user from kernel rodata: c15ebfb8

 5099 22:39:32.040959  # [   99.411611] lkdtm: attempting bad copy_to_user from kernel text: c053da6c

 5100 22:39:32.041181  # [   99.418789] lkdtm: FAIL: survived bad copy_to_user()

 5101 22:39:32.041386  # USERCOPY_KERNEL: missing 'call trace:': [FAIL]

 5102 22:39:32.056183  not ok 68 selftests: lkdtm: USERCOPY_KERNEL.sh # exit=1

 5103 22:39:32.072076  # selftests: lkdtm: STACKLEAK_ERASING.sh

 5104 22:39:32.387302  <6>[   99.884209] lkdtm: Performing direct entry STACKLEAK_ERASING

 5105 22:39:32.387725  <6>[   99.890157] lkdtm: checking unused part of the thread stack (7732 bytes)...

 5106 22:39:32.387964  <3>[   99.897499] lkdtm: FAIL: the erased part is not found (checked 7732 bytes)

 5107 22:39:32.388189  <3>[   99.904716] lkdtm: FAIL: the thread stack is NOT properly erased

 5108 22:39:32.388399  <4>[   99.911011] CPU: 2 PID: 3587 Comm: cat Tainted: G      D W         5.10.202-cip41 #1

 5109 22:39:32.388610  <4>[   99.919034] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 5110 22:39:32.388814  <4>[   99.925843] Backtrace: 

 5111 22:39:32.430628  <4>[   99.928615] [<c13b9678>] (dump_backtrace) from [<c13b9a38>] (show_stack+0x20/0x24)

 5112 22:39:32.431081  <4>[   99.936484]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8

 5113 22:39:32.431349  <4>[   99.942449] [<c13b9a18>] (show_stack) from [<c13c0c80>] (dump_stack+0xe0/0x100)

 5114 22:39:32.431568  <4>[   99.950068] [<c13c0ba0>] (dump_stack) from [<c13c8484>] (lkdtm_STACKLEAK_ERASING+0x148/0x174)

 5115 22:39:32.431779  <4>[   99.958890]  r9:c1ad5990 r8:c15ebd0c r7:c4783f60 r6:c4783e34 r5:c4782000 r4:0000078d

 5116 22:39:32.473944  <4>[   99.966935] [<c13c833c>] (lkdtm_STACKLEAK_ERASING) from [<c0c5727c>] (lkdtm_do_action+0x2c/0x4c)

 5117 22:39:32.474402  <4>[   99.976012]  r8:c15ebd0c r7:c4783f60 r6:00000012 r5:c6e5a000 r4:00000046

 5118 22:39:32.474672  <4>[   99.983007] [<c0c57250>] (lkdtm_do_action) from [<c0c5777c>] (direct_entry+0x120/0x18c)

 5119 22:39:32.474891  <4>[   99.991318] [<c0c5765c>] (direct_entry) from [<c07e1728>] (full_proxy_write+0x64/0x94)

 5120 22:39:32.475102  <4>[   99.999529]  r9:c4783f60 r8:c53900c0 r7:00000012 r6:b6dcb000 r5:c6a1de00 r4:c0c5765c

 5121 22:39:32.475307  <4>[  100.007578] [<c07e16c4>] (full_proxy_write) from [<c059ba74>] (vfs_write+0x10c/0x53c)

 5122 22:39:32.517330  <4>[  100.015702]  r9:c07e16c4 r8:c4783f60 r7:c2815800 r6:b6dcb000 r5:c6a1de00 r4:00000000

 5123 22:39:32.517818  <4>[  100.023740] [<c059b968>] (vfs_write) from [<c059c020>] (ksys_write+0x74/0xec)

 5124 22:39:32.518094  <4>[  100.031169]  r10:00000004 r9:00000000 r8:00000000 r7:b6dcb000 r6:c4782000 r5:c6a1de00

 5125 22:39:32.518314  <4>[  100.039280]  r4:c6a1de00

 5126 22:39:32.518521  <4>[  100.042109] [<c059bfac>] (ksys_write) from [<c059c0b0>] (sys_write+0x18/0x1c)

 5127 22:39:32.518726  <4>[  100.049536]  r9:c4782000 r8:c03002e4 r7:00000004 r6:b6f12e00 r5:00000012 r4:00000012

 5128 22:39:32.560259  <4>[  100.057578] [<c059c098>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 5129 22:39:32.560697  <4>[  100.065431] Exception stack(0xc4783fa8 to 0xc4783ff0)

 5130 22:39:32.560961  <4>[  100.070775] 3fa0:                   00000012 00000012 00000001 b6dcb000 00000012 00000000

 5131 22:39:32.561197  <4>[  100.079248] 3fc0: 00000012 00000012 b6f12e00 00000004 00000001 00000000 00020000 beb6dac4

 5132 22:39:32.561407  <4>[  100.087712] 3fe0: 00000004 beb6d7f8 b6e7cd8f b6e037e6

 5133 22:39:32.702339  # [   99.884209] lkdtm: Performing direct entry STACKLEAK_ERASING

 5134 22:39:32.702793  # [   99.890157] lkdtm: checking unused part of the thread stack (7732 bytes)...

 5135 22:39:32.703065  # [   99.897499] lkdtm: FAIL: the erased part is not found (checked 7732 bytes)

 5136 22:39:32.703281  # [   99.904716] lkdtm: FAIL: the thread stack is NOT properly erased

 5137 22:39:32.703493  # [   99.911011] CPU: 2 PID: 3587 Comm: cat Tainted: G      D W         5.10.202-cip41 #1

 5138 22:39:32.703701  # [   99.919034] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 5139 22:39:32.745436  # [   99.925843] Backtrace: 

 5140 22:39:32.745916  # [   99.928615] [<c13b9678>] (dump_backtrace) from [<c13b9a38>] (show_stack+0x20/0x24)

 5141 22:39:32.746194  # [   99.936484]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8

 5142 22:39:32.746412  # [   99.942449] [<c13b9a18>] (show_stack) from [<c13c0c80>] (dump_stack+0xe0/0x100)

 5143 22:39:32.746621  # [   99.950068] [<c13c0ba0>] (dump_stack) from [<c13c8484>] (lkdtm_STACKLEAK_ERASING+0x148/0x174)

 5144 22:39:32.746827  # [   99.958890]  r9:c1ad5990 r8:c15ebd0c r7:c4783f60 r6:c4783e34 r5:c4782000 r4:0000078d

 5145 22:39:32.788424  # [   99.966935] [<c13c833c>] (lkdtm_STACKLEAK_ERASING) from [<c0c5727c>] (lkdtm_do_action+0x2c/0x4c)

 5146 22:39:32.788844  # [   99.976012]  r8:c15ebd0c r7:c4783f60 r6:00000012 r5:c6e5a000 r4:00000046

 5147 22:39:32.789097  # [   99.983007] [<c0c57250>] (lkdtm_do_action) from [<c0c5777c>] (direct_entry+0x120/0x18c)

 5148 22:39:32.789304  # [   99.991318] [<c0c5765c>] (direct_entry) from [<c07e1728>] (full_proxy_write+0x64/0x94)

 5149 22:39:32.789492  # [   99.999529]  r9:c4783f60 r8:c53900c0 r7:00000012 r6:b6dcb000 r5:c6a1de00 r4:c0c5765c

 5150 22:39:32.789705  # [  100.007578] [<c07e16c4>] (full_proxy_write) from [<c059ba74>] (vfs_write+0x10c/0x53c)

 5151 22:39:32.831488  # [  100.015702]  r9:c07e16c4 r8:c4783f60 r7:c2815800 r6:b6dcb000 r5:c6a1de00 r4:00000000

 5152 22:39:32.831971  # [  100.023740] [<c059b968>] (vfs_write) from [<c059c020>] (ksys_write+0x74/0xec)

 5153 22:39:32.832269  # [  100.031169]  r10:00000004 r9:00000000 r8:00000000 r7:b6dcb000 r6:c4782000 r5:c6a1de00

 5154 22:39:32.832494  # [  100.039280]  r4:c6a1de00

 5155 22:39:32.832705  # [  100.042109] [<c059bfac>] (ksys_write) from [<c059c0b0>] (sys_write+0x18/0x1c)

 5156 22:39:32.832912  # [  100.049536]  r9:c4782000 r8:c03002e4 r7:00000004 r6:b6f12e00 r5:00000012 r4:00000012

 5157 22:39:32.874095  # [  100.057578] [<c059c098>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 5158 22:39:32.874241  # [  100.065431] Exception stack(0xc4783fa8 to 0xc4783ff0)

 5159 22:39:32.874297  # [  100.070775] 3fa0:                   00000012 00000012 00000001 b6dcb000 00000012 00000000

 5160 22:39:32.874360  # [  100.079248] 3fc0: 00000012 00000012 b6f12e00 00000004 00000001 00000000 00020000 beb6dac4

 5161 22:39:32.874413  # [  100.087712] 3fe0: 00000004 beb6d7f8 b6e7cd8f b6e037e6

 5162 22:39:32.874457  # STACKLEAK_ERASING: missing 'OK: the rest of the thread stack is properly erased': [FAIL]

 5163 22:39:32.895709  not ok 69 selftests: lkdtm: STACKLEAK_ERASING.sh # exit=1

 5164 22:39:32.896123  # selftests: lkdtm: CFI_FORWARD_PROTO.sh

 5165 22:39:33.045355  <6>[  100.553038] lkdtm: Performing direct entry CFI_FORWARD_PROTO

 5166 22:39:33.045832  <6>[  100.559046] lkdtm: Calling matched prototype ...

 5167 22:39:33.046087  <6>[  100.564015] lkdtm: Calling mismatched prototype ...

 5168 22:39:33.046306  <6>[  100.569170] lkdtm: Fail: survived mismatched prototype function call!

 5169 22:39:33.178006  # [  100.553038] lkdtm: Performing direct entry CFI_FORWARD_PROTO

 5170 22:39:33.178136  # [  100.559046] lkdtm: Calling matched prototype ...

 5171 22:39:33.178208  # [  100.564015] lkdtm: Calling mismatched prototype ...

 5172 22:39:33.178256  # [  100.569170] lkdtm: Fail: survived mismatched prototype function call!

 5173 22:39:33.178301  # CFI_FORWARD_PROTO: missing 'call trace:': [FAIL]

 5174 22:39:33.209580  not ok 70 selftests: lkdtm: CFI_FORWARD_PROTO.sh # exit=1

 5175 22:39:33.848768  lkdtm_PANIC_sh_selftests_lkdtm_panic_sh skip

 5176 22:39:33.849211  lkdtm_BUG_sh pass

 5177 22:39:33.849495  lkdtm_WARNING_sh pass

 5178 22:39:33.849780  lkdtm_WARNING_MESSAGE_sh pass

 5179 22:39:33.850026  lkdtm_EXCEPTION_sh fail

 5180 22:39:33.850231  lkdtm_LOOP_sh_selftests_lkdtm_loop_sh skip

 5181 22:39:33.850434  lkdtm_EXHAUST_STACK_sh_selftests_lkdtm_exhaust_stack_sh skip

 5182 22:39:33.850636  lkdtm_CORRUPT_STACK_sh_selftests_lkdtm_corrupt_stack_sh skip

 5183 22:39:33.850842  lkdtm_CORRUPT_STACK_STRONG_sh_selftests_lkdtm_corrupt_stack_strong_sh skip

 5184 22:39:33.851067  lkdtm_CORRUPT_LIST_ADD_sh fail

 5185 22:39:33.851271  lkdtm_CORRUPT_LIST_DEL_sh fail

 5186 22:39:33.851470  lkdtm_STACK_GUARD_PAGE_LEADING_sh fail

 5187 22:39:33.891592  lkdtm_STACK_GUARD_PAGE_TRAILING_sh fail

 5188 22:39:33.891741  lkdtm_UNSET_SMEP_sh_selftests_lkdtm_unset_smep_sh skip

 5189 22:39:33.891797  lkdtm_DOUBLE_FAULT_sh_selftests_lkdtm_double_fault_sh skip

 5190 22:39:33.891844  lkdtm_CORRUPT_PAC_sh_selftests_lkdtm_corrupt_pac_sh skip

 5191 22:39:33.891890  lkdtm_UNALIGNED_LOAD_STORE_WRITE_sh_selftests_lkdtm_unaligned_load_store_write_sh skip

 5192 22:39:33.891935  lkdtm_OVERWRITE_ALLOCATION_sh_selftests_lkdtm_overwrite_allocation_sh skip

 5193 22:39:33.891980  lkdtm_WRITE_AFTER_FREE_sh_selftests_lkdtm_write_after_free_sh skip

 5194 22:39:33.892024  lkdtm_READ_AFTER_FREE_sh fail

 5195 22:39:33.934624  lkdtm_WRITE_BUDDY_AFTER_FREE_sh_selftests_lkdtm_write_buddy_after_free_sh skip

 5196 22:39:33.934704  lkdtm_READ_BUDDY_AFTER_FREE_sh fail

 5197 22:39:33.934758  lkdtm_SLAB_FREE_DOUBLE_sh fail

 5198 22:39:33.934806  lkdtm_SLAB_FREE_CROSS_sh fail

 5199 22:39:33.934859  lkdtm_SLAB_FREE_PAGE_sh fail

 5200 22:39:33.934905  lkdtm_SOFTLOCKUP_sh_selftests_lkdtm_softlockup_sh skip

 5201 22:39:33.934949  lkdtm_HARDLOCKUP_sh_selftests_lkdtm_hardlockup_sh skip

 5202 22:39:33.935000  lkdtm_SPINLOCKUP_sh_selftests_lkdtm_spinlockup_sh skip

 5203 22:39:33.935047  lkdtm_HUNG_TASK_sh_selftests_lkdtm_hung_task_sh skip

 5204 22:39:33.935090  lkdtm_EXEC_DATA_sh fail

 5205 22:39:33.935133  lkdtm_EXEC_STACK_sh fail

 5206 22:39:33.935175  lkdtm_EXEC_KMALLOC_sh fail

 5207 22:39:33.977647  lkdtm_EXEC_VMALLOC_sh fail

 5208 22:39:33.977741  lkdtm_EXEC_RODATA_sh fail

 5209 22:39:33.977793  lkdtm_EXEC_USERSPACE_sh fail

 5210 22:39:33.977838  lkdtm_EXEC_NULL_sh fail

 5211 22:39:33.977899  lkdtm_ACCESS_USERSPACE_sh fail

 5212 22:39:33.977950  lkdtm_ACCESS_NULL_sh fail

 5213 22:39:33.977993  lkdtm_WRITE_RO_sh fail

 5214 22:39:33.978035  lkdtm_WRITE_RO_AFTER_INIT_sh fail

 5215 22:39:33.978077  lkdtm_WRITE_KERN_sh fail

 5216 22:39:33.978118  lkdtm_REFCOUNT_INC_OVERFLOW_sh fail

 5217 22:39:33.978160  lkdtm_REFCOUNT_ADD_OVERFLOW_sh fail

 5218 22:39:33.978201  lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW_sh fail

 5219 22:39:33.978243  lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW_sh fail

 5220 22:39:33.978293  lkdtm_REFCOUNT_DEC_ZERO_sh fail

 5221 22:39:33.978336  lkdtm_REFCOUNT_DEC_NEGATIVE_sh pass

 5222 22:39:34.020766  lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE_sh pass

 5223 22:39:34.020913  lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE_sh pass

 5224 22:39:34.020967  lkdtm_REFCOUNT_INC_ZERO_sh fail

 5225 22:39:34.021014  lkdtm_REFCOUNT_ADD_ZERO_sh fail

 5226 22:39:34.021059  lkdtm_REFCOUNT_INC_SATURATED_sh pass

 5227 22:39:34.021102  lkdtm_REFCOUNT_DEC_SATURATED_sh pass

 5228 22:39:34.021145  lkdtm_REFCOUNT_ADD_SATURATED_sh pass

 5229 22:39:34.021189  lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED_sh fail

 5230 22:39:34.021241  lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED_sh fail

 5231 22:39:34.021292  lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED_sh pass

 5232 22:39:34.021351  lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED_sh pass

 5233 22:39:34.064210  lkdtm_REFCOUNT_TIMING_sh_selftests_lkdtm_refcount_timing_sh skip

 5234 22:39:34.064670  lkdtm_ATOMIC_TIMING_sh_selftests_lkdtm_atomic_timing_sh skip

 5235 22:39:34.064936  lkdtm_USERCOPY_HEAP_SIZE_TO_sh fail

 5236 22:39:34.065165  lkdtm_USERCOPY_HEAP_SIZE_FROM_sh fail

 5237 22:39:34.065360  lkdtm_USERCOPY_HEAP_WHITELIST_TO_sh fail

 5238 22:39:34.065546  lkdtm_USERCOPY_HEAP_WHITELIST_FROM_sh fail

 5239 22:39:34.065781  lkdtm_USERCOPY_STACK_FRAME_TO_sh fail

 5240 22:39:34.065974  lkdtm_USERCOPY_STACK_FRAME_FROM_sh fail

 5241 22:39:34.066173  lkdtm_USERCOPY_STACK_BEYOND_sh fail

 5242 22:39:34.066363  lkdtm_USERCOPY_KERNEL_sh fail

 5243 22:39:34.066547  lkdtm_STACKLEAK_ERASING_sh fail

 5244 22:39:34.066740  lkdtm_CFI_FORWARD_PROTO_sh fail

 5245 22:39:34.090261  + ../../utils/send-to-lava.sh ./output/result.txt

 5246 22:39:34.090668  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=shardfile-lkdtm RESULT=pass>

 5247 22:39:34.090899  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_PANIC_sh_selftests_lkdtm_panic_sh RESULT=skip>

 5248 22:39:34.092054  Received signal: <TESTCASE> TEST_CASE_ID=shardfile-lkdtm RESULT=pass
 5250 22:39:34.092771  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_PANIC_sh_selftests_lkdtm_panic_sh RESULT=skip
 5252 22:39:34.137222  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_BUG_sh RESULT=pass>

 5253 22:39:34.137854  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_BUG_sh RESULT=pass
 5255 22:39:34.226096  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_WARNING_sh RESULT=pass>

 5256 22:39:34.226756  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_WARNING_sh RESULT=pass
 5258 22:39:34.315938  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_WARNING_MESSAGE_sh RESULT=pass>

 5259 22:39:34.316607  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_WARNING_MESSAGE_sh RESULT=pass
 5261 22:39:34.403694  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXCEPTION_sh RESULT=fail>

 5262 22:39:34.404341  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXCEPTION_sh RESULT=fail
 5264 22:39:34.488174  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_LOOP_sh_selftests_lkdtm_loop_sh RESULT=skip>

 5265 22:39:34.488484  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_LOOP_sh_selftests_lkdtm_loop_sh RESULT=skip
 5267 22:39:34.573082  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXHAUST_STACK_sh_selftests_lkdtm_exhaust_stack_sh RESULT=skip>

 5268 22:39:34.573352  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXHAUST_STACK_sh_selftests_lkdtm_exhaust_stack_sh RESULT=skip
 5270 22:39:34.658318  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_CORRUPT_STACK_sh_selftests_lkdtm_corrupt_stack_sh RESULT=skip>

 5271 22:39:34.658969  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_CORRUPT_STACK_sh_selftests_lkdtm_corrupt_stack_sh RESULT=skip
 5273 22:39:34.742938  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_CORRUPT_STACK_STRONG_sh_selftests_lkdtm_corrupt_stack_strong_sh RESULT=skip>

 5274 22:39:34.743265  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_CORRUPT_STACK_STRONG_sh_selftests_lkdtm_corrupt_stack_strong_sh RESULT=skip
 5276 22:39:34.829705  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_CORRUPT_LIST_ADD_sh RESULT=fail>

 5277 22:39:34.830038  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_CORRUPT_LIST_ADD_sh RESULT=fail
 5279 22:39:34.914819  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_CORRUPT_LIST_DEL_sh RESULT=fail>

 5280 22:39:34.915275  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_CORRUPT_LIST_DEL_sh RESULT=fail
 5282 22:39:34.999246  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_STACK_GUARD_PAGE_LEADING_sh RESULT=fail>

 5283 22:39:34.999560  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_STACK_GUARD_PAGE_LEADING_sh RESULT=fail
 5285 22:39:35.084083  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_STACK_GUARD_PAGE_TRAILING_sh RESULT=fail>

 5286 22:39:35.084430  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_STACK_GUARD_PAGE_TRAILING_sh RESULT=fail
 5288 22:39:35.169474  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_UNSET_SMEP_sh_selftests_lkdtm_unset_smep_sh RESULT=skip>

 5289 22:39:35.170159  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_UNSET_SMEP_sh_selftests_lkdtm_unset_smep_sh RESULT=skip
 5291 22:39:35.253962  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_DOUBLE_FAULT_sh_selftests_lkdtm_double_fault_sh RESULT=skip>

 5292 22:39:35.254305  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_DOUBLE_FAULT_sh_selftests_lkdtm_double_fault_sh RESULT=skip
 5294 22:39:35.331799  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_CORRUPT_PAC_sh_selftests_lkdtm_corrupt_pac_sh RESULT=skip>

 5295 22:39:35.332125  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_CORRUPT_PAC_sh_selftests_lkdtm_corrupt_pac_sh RESULT=skip
 5297 22:39:35.416866  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_UNALIGNED_LOAD_STORE_WRITE_sh_selftests_lkdtm_unaligned_load_store_write_sh RESULT=skip>

 5298 22:39:35.417512  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_UNALIGNED_LOAD_STORE_WRITE_sh_selftests_lkdtm_unaligned_load_store_write_sh RESULT=skip
 5300 22:39:35.492507  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_OVERWRITE_ALLOCATION_sh_selftests_lkdtm_overwrite_allocation_sh RESULT=skip>

 5301 22:39:35.492808  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_OVERWRITE_ALLOCATION_sh_selftests_lkdtm_overwrite_allocation_sh RESULT=skip
 5303 22:39:35.572385  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_WRITE_AFTER_FREE_sh_selftests_lkdtm_write_after_free_sh RESULT=skip>

 5304 22:39:35.572688  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_WRITE_AFTER_FREE_sh_selftests_lkdtm_write_after_free_sh RESULT=skip
 5306 22:39:35.652302  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_READ_AFTER_FREE_sh RESULT=fail>

 5307 22:39:35.652948  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_READ_AFTER_FREE_sh RESULT=fail
 5309 22:39:35.737091  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_WRITE_BUDDY_AFTER_FREE_sh_selftests_lkdtm_write_buddy_after_free_sh RESULT=skip>

 5310 22:39:35.737395  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_WRITE_BUDDY_AFTER_FREE_sh_selftests_lkdtm_write_buddy_after_free_sh RESULT=skip
 5312 22:39:35.815839  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_READ_BUDDY_AFTER_FREE_sh RESULT=fail>

 5313 22:39:35.816228  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_READ_BUDDY_AFTER_FREE_sh RESULT=fail
 5315 22:39:35.895844  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_SLAB_FREE_DOUBLE_sh RESULT=fail>

 5316 22:39:35.896199  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_SLAB_FREE_DOUBLE_sh RESULT=fail
 5318 22:39:35.975928  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_SLAB_FREE_CROSS_sh RESULT=fail>

 5319 22:39:35.976586  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_SLAB_FREE_CROSS_sh RESULT=fail
 5321 22:39:36.060484  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_SLAB_FREE_PAGE_sh RESULT=fail>

 5322 22:39:36.060875  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_SLAB_FREE_PAGE_sh RESULT=fail
 5324 22:39:36.140621  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_SOFTLOCKUP_sh_selftests_lkdtm_softlockup_sh RESULT=skip>

 5325 22:39:36.141166  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_SOFTLOCKUP_sh_selftests_lkdtm_softlockup_sh RESULT=skip
 5327 22:39:36.225272  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_HARDLOCKUP_sh_selftests_lkdtm_hardlockup_sh RESULT=skip>

 5328 22:39:36.225926  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_HARDLOCKUP_sh_selftests_lkdtm_hardlockup_sh RESULT=skip
 5330 22:39:36.304250  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_SPINLOCKUP_sh_selftests_lkdtm_spinlockup_sh RESULT=skip>

 5331 22:39:36.304890  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_SPINLOCKUP_sh_selftests_lkdtm_spinlockup_sh RESULT=skip
 5333 22:39:36.384054  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_HUNG_TASK_sh_selftests_lkdtm_hung_task_sh RESULT=skip>

 5334 22:39:36.384752  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_HUNG_TASK_sh_selftests_lkdtm_hung_task_sh RESULT=skip
 5336 22:39:36.464019  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXEC_DATA_sh RESULT=fail>

 5337 22:39:36.464709  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXEC_DATA_sh RESULT=fail
 5339 22:39:36.548783  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXEC_STACK_sh RESULT=fail>

 5340 22:39:36.549440  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXEC_STACK_sh RESULT=fail
 5342 22:39:36.628644  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXEC_KMALLOC_sh RESULT=fail>

 5343 22:39:36.628977  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXEC_KMALLOC_sh RESULT=fail
 5345 22:39:36.708516  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXEC_VMALLOC_sh RESULT=fail>

 5346 22:39:36.708885  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXEC_VMALLOC_sh RESULT=fail
 5348 22:39:36.788449  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXEC_RODATA_sh RESULT=fail>

 5349 22:39:36.789118  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXEC_RODATA_sh RESULT=fail
 5351 22:39:36.873146  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXEC_USERSPACE_sh RESULT=fail>

 5352 22:39:36.873744  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXEC_USERSPACE_sh RESULT=fail
 5354 22:39:36.952829  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXEC_NULL_sh RESULT=fail>

 5355 22:39:36.953162  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXEC_NULL_sh RESULT=fail
 5357 22:39:37.032981  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_ACCESS_USERSPACE_sh RESULT=fail>

 5358 22:39:37.033663  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_ACCESS_USERSPACE_sh RESULT=fail
 5360 22:39:37.111527  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_ACCESS_NULL_sh RESULT=fail>

 5361 22:39:37.111847  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_ACCESS_NULL_sh RESULT=fail
 5363 22:39:37.191630  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_WRITE_RO_sh RESULT=fail>

 5364 22:39:37.192265  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_WRITE_RO_sh RESULT=fail
 5366 22:39:37.271586  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_WRITE_RO_AFTER_INIT_sh RESULT=fail>

 5367 22:39:37.271930  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_WRITE_RO_AFTER_INIT_sh RESULT=fail
 5369 22:39:37.351136  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_WRITE_KERN_sh RESULT=fail>

 5370 22:39:37.351775  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_WRITE_KERN_sh RESULT=fail
 5372 22:39:37.431219  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_INC_OVERFLOW_sh RESULT=fail>

 5373 22:39:37.431917  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_INC_OVERFLOW_sh RESULT=fail
 5375 22:39:37.510898  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_ADD_OVERFLOW_sh RESULT=fail>

 5376 22:39:37.511572  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_ADD_OVERFLOW_sh RESULT=fail
 5378 22:39:37.595970  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW_sh RESULT=fail>

 5379 22:39:37.596609  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW_sh RESULT=fail
 5381 22:39:37.675687  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW_sh RESULT=fail>

 5382 22:39:37.676365  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW_sh RESULT=fail
 5384 22:39:37.755679  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_DEC_ZERO_sh RESULT=fail>

 5385 22:39:37.756338  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_DEC_ZERO_sh RESULT=fail
 5387 22:39:37.840386  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_DEC_NEGATIVE_sh RESULT=pass>

 5388 22:39:37.840720  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_DEC_NEGATIVE_sh RESULT=pass
 5390 22:39:37.920290  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE_sh RESULT=pass>

 5391 22:39:37.920959  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE_sh RESULT=pass
 5393 22:39:38.000239  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE_sh RESULT=pass>

 5394 22:39:38.000808  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE_sh RESULT=pass
 5396 22:39:38.084986  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_INC_ZERO_sh RESULT=fail>

 5397 22:39:38.085713  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_INC_ZERO_sh RESULT=fail
 5399 22:39:38.164852  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_ADD_ZERO_sh RESULT=fail>

 5400 22:39:38.165499  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_ADD_ZERO_sh RESULT=fail
 5402 22:39:38.244357  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_INC_SATURATED_sh RESULT=pass>

 5403 22:39:38.244725  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_INC_SATURATED_sh RESULT=pass
 5405 22:39:38.324491  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_DEC_SATURATED_sh RESULT=pass>

 5406 22:39:38.325147  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_DEC_SATURATED_sh RESULT=pass
 5408 22:39:38.409341  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_ADD_SATURATED_sh RESULT=pass>

 5409 22:39:38.409998  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_ADD_SATURATED_sh RESULT=pass
 5411 22:39:38.489021  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED_sh RESULT=fail>

 5412 22:39:38.489326  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED_sh RESULT=fail
 5414 22:39:38.573804  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED_sh RESULT=fail>

 5415 22:39:38.574124  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED_sh RESULT=fail
 5417 22:39:38.652926  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED_sh RESULT=pass>

 5418 22:39:38.653551  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED_sh RESULT=pass
 5420 22:39:38.737786  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED_sh RESULT=pass>

 5421 22:39:38.738124  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED_sh RESULT=pass
 5423 22:39:38.825607  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_TIMING_sh_selftests_lkdtm_refcount_timing_sh RESULT=skip>

 5424 22:39:38.826238  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_TIMING_sh_selftests_lkdtm_refcount_timing_sh RESULT=skip
 5426 22:39:38.911584  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_ATOMIC_TIMING_sh_selftests_lkdtm_atomic_timing_sh RESULT=skip>

 5427 22:39:38.912232  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_ATOMIC_TIMING_sh_selftests_lkdtm_atomic_timing_sh RESULT=skip
 5429 22:39:38.998298  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_HEAP_SIZE_TO_sh RESULT=fail>

 5430 22:39:38.998609  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_HEAP_SIZE_TO_sh RESULT=fail
 5432 22:39:39.086356  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_HEAP_SIZE_FROM_sh RESULT=fail>

 5433 22:39:39.087037  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_HEAP_SIZE_FROM_sh RESULT=fail
 5435 22:39:39.172137  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_HEAP_WHITELIST_TO_sh RESULT=fail>

 5436 22:39:39.172786  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_HEAP_WHITELIST_TO_sh RESULT=fail
 5438 22:39:39.258784  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_HEAP_WHITELIST_FROM_sh RESULT=fail>

 5439 22:39:39.259090  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_HEAP_WHITELIST_FROM_sh RESULT=fail
 5441 22:39:39.346800  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_STACK_FRAME_TO_sh RESULT=fail>

 5442 22:39:39.347469  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_STACK_FRAME_TO_sh RESULT=fail
 5444 22:39:39.440704  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_STACK_FRAME_FROM_sh RESULT=fail>

 5445 22:39:39.441372  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_STACK_FRAME_FROM_sh RESULT=fail
 5447 22:39:39.526071  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_STACK_BEYOND_sh RESULT=fail>

 5448 22:39:39.526392  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_STACK_BEYOND_sh RESULT=fail
 5450 22:39:39.613322  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_KERNEL_sh RESULT=fail>

 5451 22:39:39.613997  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_KERNEL_sh RESULT=fail
 5453 22:39:39.699228  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_STACKLEAK_ERASING_sh RESULT=fail>

 5454 22:39:39.699891  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_STACKLEAK_ERASING_sh RESULT=fail
 5456 22:39:39.791086  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_CFI_FORWARD_PROTO_sh RESULT=fail>

 5457 22:39:39.791472  + set +x

 5458 22:39:39.791707  <LAVA_SIGNAL_ENDRUN 1_kselftest-lkdtm 12110040_1.6.2.4.5>

 5459 22:39:39.791904  <LAVA_TEST_RUNNER EXIT>

 5460 22:39:39.792326  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_CFI_FORWARD_PROTO_sh RESULT=fail
 5462 22:39:39.792984  Received signal: <ENDRUN> 1_kselftest-lkdtm 12110040_1.6.2.4.5
 5463 22:39:39.793205  Ending use of test pattern.
 5464 22:39:39.793396  Ending test lava.1_kselftest-lkdtm (12110040_1.6.2.4.5), duration 62.06
 5466 22:39:39.794130  ok: lava_test_shell seems to have completed
 5467 22:39:39.796139  lkdtm_ACCESS_NULL_sh: fail
lkdtm_ACCESS_USERSPACE_sh: fail
lkdtm_ATOMIC_TIMING_sh_selftests_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_selftests_lkdtm_corrupt_pac_sh: skip
lkdtm_CORRUPT_STACK_STRONG_sh_selftests_lkdtm_corrupt_stack_strong_sh: skip
lkdtm_CORRUPT_STACK_sh_selftests_lkdtm_corrupt_stack_sh: skip
lkdtm_DOUBLE_FAULT_sh_selftests_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_selftests_lkdtm_exhaust_stack_sh: skip
lkdtm_HARDLOCKUP_sh_selftests_lkdtm_hardlockup_sh: skip
lkdtm_HUNG_TASK_sh_selftests_lkdtm_hung_task_sh: skip
lkdtm_LOOP_sh_selftests_lkdtm_loop_sh: skip
lkdtm_OVERWRITE_ALLOCATION_sh_selftests_lkdtm_overwrite_allocation_sh: skip
lkdtm_PANIC_sh_selftests_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_selftests_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_selftests_lkdtm_softlockup_sh: skip
lkdtm_SPINLOCKUP_sh_selftests_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_selftests_lkdtm_unaligned_load_store_write_sh: skip
lkdtm_UNSET_SMEP_sh_selftests_lkdtm_unset_smep_sh: skip
lkdtm_USERCOPY_HEAP_SIZE_FROM_sh: fail
lkdtm_USERCOPY_HEAP_SIZE_TO_sh: fail
lkdtm_USERCOPY_HEAP_WHITELIST_FROM_sh: fail
lkdtm_USERCOPY_HEAP_WHITELIST_TO_sh: fail
lkdtm_USERCOPY_KERNEL_sh: fail
lkdtm_USERCOPY_STACK_BEYOND_sh: fail
lkdtm_USERCOPY_STACK_FRAME_FROM_sh: fail
lkdtm_USERCOPY_STACK_FRAME_TO_sh: fail
lkdtm_WARNING_MESSAGE_sh: pass
lkdtm_WARNING_sh: pass
lkdtm_WRITE_AFTER_FREE_sh_selftests_lkdtm_write_after_free_sh: skip
lkdtm_WRITE_BUDDY_AFTER_FREE_sh_selftests_lkdtm_write_buddy_after_free_sh: skip
lkdtm_WRITE_KERN_sh: fail
lkdtm_WRITE_RO_AFTER_INIT_sh: fail
lkdtm_WRITE_RO_sh: fail
shardfile-lkdtm: pass

 5468 22:39:39.796518  end: 3.1 lava-test-shell (duration 00:01:04) [common]
 5469 22:39:39.796811  end: 3 lava-test-retry (duration 00:01:04) [common]
 5470 22:39:39.797096  start: 4 finalize (timeout 00:06:48) [common]
 5471 22:39:39.797380  start: 4.1 power-off (timeout 00:00:30) [common]
 5472 22:39:39.797852  Calling: 'pduclient' '--daemon=localhost' '--hostname=eth8020-0' '--port=1' '--command=off'
 5473 22:39:39.838370  >> Command sent successfully.

 5474 22:39:39.843539  Returned 0 in 0 seconds
 5475 22:39:39.944395  end: 4.1 power-off (duration 00:00:00) [common]
 5477 22:39:39.945492  start: 4.2 read-feedback (timeout 00:06:48) [common]
 5478 22:39:39.946291  Listened to connection for namespace 'common' for up to 1s
 5479 22:39:40.947198  Finalising connection for namespace 'common'
 5480 22:39:40.947758  Disconnecting from shell: Finalise
 5481 22:39:40.948082  / # 
 5482 22:39:41.048898  end: 4.2 read-feedback (duration 00:00:01) [common]
 5483 22:39:41.049463  end: 4 finalize (duration 00:00:01) [common]
 5484 22:39:41.049896  Cleaning after the job
 5485 22:39:41.050292  Cleaning up download directory: /var/lib/lava/dispatcher/tmp/12110040/tftp-deploy-wixix1a8/ramdisk
 5486 22:39:41.055989  Cleaning up download directory: /var/lib/lava/dispatcher/tmp/12110040/tftp-deploy-wixix1a8/kernel
 5487 22:39:41.060651  Cleaning up download directory: /var/lib/lava/dispatcher/tmp/12110040/tftp-deploy-wixix1a8/dtb
 5488 22:39:41.061129  Cleaning up download directory: /var/lib/lava/dispatcher/tmp/12110040/tftp-deploy-wixix1a8/nfsrootfs
 5489 22:39:41.128312  Cleaning up download directory: /var/lib/lava/dispatcher/tmp/12110040/tftp-deploy-wixix1a8/modules
 5490 22:39:41.132473  Override tmp directory removed at /var/lib/lava/dispatcher/tmp/12110040
 5491 22:39:41.503209  Root tmp directory removed at /var/lib/lava/dispatcher/tmp/12110040
 5492 22:39:41.503405  Job finished correctly