Boot log: imx6q-sabrelite

    1 10:19:12.726660  lava-dispatcher, installed at version: 2023.05.1
    2 10:19:12.726856  start: 0 validate
    3 10:19:12.726971  Start time: 2023-06-05 10:19:12.726965+00:00 (UTC)
    4 10:19:12.727113  Using caching service: 'http://localhost/cache/?uri=%s'
    5 10:19:12.727274  Validating that http://localhost/cache/?uri=http%3A%2F%2Fstorage.kernelci.org%2Fimages%2Frootfs%2Fdebian%2Fbullseye-kselftest%2F20230527.0%2Farmhf%2Finitrd.cpio.gz exists
    6 10:19:13.016510  Using caching service: 'http://localhost/cache/?uri=%s'
    7 10:19:13.017196  Validating that http://localhost/cache/?uri=http%3A%2F%2Fstorage.kernelci.org%2Fcip-gitlab%2Fci-iwamatsu-linux-5.10.y-cip-rc%2Fv5.10.180-cip34-236-g6d219c607dc68%2Farm%2Fmulti_v7_defconfig%2Bkselftest%2Fgcc-10%2Fkernel%2FzImage exists
    8 10:19:17.526552  Using caching service: 'http://localhost/cache/?uri=%s'
    9 10:19:17.527260  Validating that http://localhost/cache/?uri=http%3A%2F%2Fstorage.kernelci.org%2Fcip-gitlab%2Fci-iwamatsu-linux-5.10.y-cip-rc%2Fv5.10.180-cip34-236-g6d219c607dc68%2Farm%2Fmulti_v7_defconfig%2Bkselftest%2Fgcc-10%2Fdtbs%2Fimx6q-sabrelite.dtb exists
   10 10:19:18.032090  Using caching service: 'http://localhost/cache/?uri=%s'
   11 10:19:18.032731  Validating that http://localhost/cache/?uri=http%3A%2F%2Fstorage.kernelci.org%2Fimages%2Frootfs%2Fdebian%2Fbullseye-kselftest%2F20230527.0%2Farmhf%2Ffull.rootfs.tar.xz exists
   12 10:19:18.322404  Using caching service: 'http://localhost/cache/?uri=%s'
   13 10:19:18.323034  Validating that http://localhost/cache/?uri=http%3A%2F%2Fstorage.kernelci.org%2Fcip-gitlab%2Fci-iwamatsu-linux-5.10.y-cip-rc%2Fv5.10.180-cip34-236-g6d219c607dc68%2Farm%2Fmulti_v7_defconfig%2Bkselftest%2Fgcc-10%2Fmodules.tar.xz exists
   14 10:19:20.832588  validate duration: 8.11
   16 10:19:20.832847  start: 1 tftp-deploy (timeout 00:10:00) [common]
   17 10:19:20.832943  start: 1.1 download-retry (timeout 00:10:00) [common]
   18 10:19:20.833052  start: 1.1.1 http-download (timeout 00:10:00) [common]
   19 10:19:20.833199  Not decompressing ramdisk as can be used compressed.
   20 10:19:20.833293  downloading http://storage.kernelci.org/images/rootfs/debian/bullseye-kselftest/20230527.0/armhf/initrd.cpio.gz
   21 10:19:20.833360  saving as /var/lib/lava/dispatcher/tmp/10590651/tftp-deploy-l5yqndaz/ramdisk/initrd.cpio.gz
   22 10:19:20.833424  total size: 4021277 (3MB)
   23 10:19:20.834532  progress   0% (0MB)
   24 10:19:20.835840  progress   5% (0MB)
   25 10:19:20.836927  progress  10% (0MB)
   26 10:19:20.837970  progress  15% (0MB)
   27 10:19:20.839013  progress  20% (0MB)
   28 10:19:20.840058  progress  25% (0MB)
   29 10:19:20.841092  progress  30% (1MB)
   30 10:19:20.842103  progress  35% (1MB)
   31 10:19:20.843298  progress  40% (1MB)
   32 10:19:20.844300  progress  45% (1MB)
   33 10:19:20.845305  progress  50% (1MB)
   34 10:19:20.846307  progress  55% (2MB)
   35 10:19:20.847352  progress  60% (2MB)
   36 10:19:20.848381  progress  65% (2MB)
   37 10:19:20.849460  progress  70% (2MB)
   38 10:19:20.850696  progress  75% (2MB)
   39 10:19:20.851699  progress  80% (3MB)
   40 10:19:20.852705  progress  85% (3MB)
   41 10:19:20.853736  progress  90% (3MB)
   42 10:19:20.854804  progress  95% (3MB)
   43 10:19:20.855825  progress 100% (3MB)
   44 10:19:20.856015  3MB downloaded in 0.02s (169.78MB/s)
   45 10:19:20.856193  end: 1.1.1 http-download (duration 00:00:00) [common]
   47 10:19:20.856425  end: 1.1 download-retry (duration 00:00:00) [common]
   48 10:19:20.856508  start: 1.2 download-retry (timeout 00:10:00) [common]
   49 10:19:20.856589  start: 1.2.1 http-download (timeout 00:10:00) [common]
   50 10:19:20.856750  downloading http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.180-cip34-236-g6d219c607dc68/arm/multi_v7_defconfig+kselftest/gcc-10/kernel/zImage
   51 10:19:20.856816  saving as /var/lib/lava/dispatcher/tmp/10590651/tftp-deploy-l5yqndaz/kernel/zImage
   52 10:19:20.856873  total size: 12415488 (11MB)
   53 10:19:20.856931  No compression specified
   54 10:19:20.858063  progress   0% (0MB)
   55 10:19:20.861264  progress   5% (0MB)
   56 10:19:20.864406  progress  10% (1MB)
   57 10:19:20.867534  progress  15% (1MB)
   58 10:19:20.870629  progress  20% (2MB)
   59 10:19:20.873688  progress  25% (2MB)
   60 10:19:20.876777  progress  30% (3MB)
   61 10:19:20.879833  progress  35% (4MB)
   62 10:19:20.882984  progress  40% (4MB)
   63 10:19:20.886034  progress  45% (5MB)
   64 10:19:20.889155  progress  50% (5MB)
   65 10:19:20.892245  progress  55% (6MB)
   66 10:19:20.895366  progress  60% (7MB)
   67 10:19:20.898420  progress  65% (7MB)
   68 10:19:20.901498  progress  70% (8MB)
   69 10:19:20.904524  progress  75% (8MB)
   70 10:19:20.907560  progress  80% (9MB)
   71 10:19:20.910599  progress  85% (10MB)
   72 10:19:20.913637  progress  90% (10MB)
   73 10:19:20.916526  progress  95% (11MB)
   74 10:19:20.919551  progress 100% (11MB)
   75 10:19:20.919769  11MB downloaded in 0.06s (188.27MB/s)
   76 10:19:20.919910  end: 1.2.1 http-download (duration 00:00:00) [common]
   78 10:19:20.920130  end: 1.2 download-retry (duration 00:00:00) [common]
   79 10:19:20.920218  start: 1.3 download-retry (timeout 00:10:00) [common]
   80 10:19:20.920302  start: 1.3.1 http-download (timeout 00:10:00) [common]
   81 10:19:20.920462  downloading http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.180-cip34-236-g6d219c607dc68/arm/multi_v7_defconfig+kselftest/gcc-10/dtbs/imx6q-sabrelite.dtb
   82 10:19:20.920529  saving as /var/lib/lava/dispatcher/tmp/10590651/tftp-deploy-l5yqndaz/dtb/imx6q-sabrelite.dtb
   83 10:19:20.920589  total size: 42449 (0MB)
   84 10:19:20.920646  No compression specified
   85 10:19:20.921756  progress  77% (0MB)
   86 10:19:20.922046  progress 100% (0MB)
   87 10:19:20.922174  0MB downloaded in 0.00s (25.57MB/s)
   88 10:19:20.922291  end: 1.3.1 http-download (duration 00:00:00) [common]
   90 10:19:20.922547  end: 1.3 download-retry (duration 00:00:00) [common]
   91 10:19:20.922638  start: 1.4 download-retry (timeout 00:10:00) [common]
   92 10:19:20.922732  start: 1.4.1 http-download (timeout 00:10:00) [common]
   93 10:19:20.922838  downloading http://storage.kernelci.org/images/rootfs/debian/bullseye-kselftest/20230527.0/armhf/full.rootfs.tar.xz
   94 10:19:20.922906  saving as /var/lib/lava/dispatcher/tmp/10590651/tftp-deploy-l5yqndaz/nfsrootfs/full.rootfs.tar
   95 10:19:20.922997  total size: 195798128 (186MB)
   96 10:19:20.923060  Using unxz to decompress xz
   97 10:19:20.926435  progress   0% (0MB)
   98 10:19:21.440023  progress   5% (9MB)
   99 10:19:21.926558  progress  10% (18MB)
  100 10:19:22.477913  progress  15% (28MB)
  101 10:19:22.863646  progress  20% (37MB)
  102 10:19:23.139687  progress  25% (46MB)
  103 10:19:23.683966  progress  30% (56MB)
  104 10:19:24.205002  progress  35% (65MB)
  105 10:19:24.736629  progress  40% (74MB)
  106 10:19:25.259097  progress  45% (84MB)
  107 10:19:25.789989  progress  50% (93MB)
  108 10:19:26.385762  progress  55% (102MB)
  109 10:19:27.031061  progress  60% (112MB)
  110 10:19:27.144670  progress  65% (121MB)
  111 10:19:27.296846  progress  70% (130MB)
  112 10:19:27.382298  progress  75% (140MB)
  113 10:19:27.449633  progress  80% (149MB)
  114 10:19:27.512070  progress  85% (158MB)
  115 10:19:27.611209  progress  90% (168MB)
  116 10:19:27.885684  progress  95% (177MB)
  117 10:19:28.435777  progress 100% (186MB)
  118 10:19:28.440916  186MB downloaded in 7.52s (24.84MB/s)
  119 10:19:28.441210  end: 1.4.1 http-download (duration 00:00:08) [common]
  121 10:19:28.441470  end: 1.4 download-retry (duration 00:00:08) [common]
  122 10:19:28.441562  start: 1.5 download-retry (timeout 00:09:52) [common]
  123 10:19:28.441651  start: 1.5.1 http-download (timeout 00:09:52) [common]
  124 10:19:28.441782  downloading http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.180-cip34-236-g6d219c607dc68/arm/multi_v7_defconfig+kselftest/gcc-10/modules.tar.xz
  125 10:19:28.441855  saving as /var/lib/lava/dispatcher/tmp/10590651/tftp-deploy-l5yqndaz/modules/modules.tar
  126 10:19:28.441917  total size: 7485492 (7MB)
  127 10:19:28.441979  Using unxz to decompress xz
  128 10:19:28.445447  progress   0% (0MB)
  129 10:19:28.462845  progress   5% (0MB)
  130 10:19:28.483366  progress  10% (0MB)
  131 10:19:28.505639  progress  15% (1MB)
  132 10:19:28.525989  progress  20% (1MB)
  133 10:19:28.548274  progress  25% (1MB)
  134 10:19:28.568553  progress  30% (2MB)
  135 10:19:28.588387  progress  35% (2MB)
  136 10:19:28.611865  progress  40% (2MB)
  137 10:19:28.632509  progress  45% (3MB)
  138 10:19:28.654327  progress  50% (3MB)
  139 10:19:28.674347  progress  55% (3MB)
  140 10:19:28.696412  progress  60% (4MB)
  141 10:19:28.716434  progress  65% (4MB)
  142 10:19:28.737151  progress  70% (5MB)
  143 10:19:28.758681  progress  75% (5MB)
  144 10:19:28.780735  progress  80% (5MB)
  145 10:19:28.803774  progress  85% (6MB)
  146 10:19:28.822253  progress  90% (6MB)
  147 10:19:28.843839  progress  95% (6MB)
  148 10:19:28.864497  progress 100% (7MB)
  149 10:19:28.869593  7MB downloaded in 0.43s (16.69MB/s)
  150 10:19:28.869893  end: 1.5.1 http-download (duration 00:00:00) [common]
  152 10:19:28.870162  end: 1.5 download-retry (duration 00:00:00) [common]
  153 10:19:28.870256  start: 1.6 prepare-tftp-overlay (timeout 00:09:52) [common]
  154 10:19:28.870351  start: 1.6.1 extract-nfsrootfs (timeout 00:09:52) [common]
  155 10:19:31.875136  Extracted nfsroot to /var/lib/lava/dispatcher/tmp/10590651/extract-nfsrootfs-4kmfd9k3
  156 10:19:31.875349  end: 1.6.1 extract-nfsrootfs (duration 00:00:03) [common]
  157 10:19:31.875480  start: 1.6.2 lava-overlay (timeout 00:09:49) [common]
  158 10:19:31.875674  [common] Preparing overlay tarball in /var/lib/lava/dispatcher/tmp/10590651/lava-overlay-1ecm_kkb
  159 10:19:31.875808  makedir: /var/lib/lava/dispatcher/tmp/10590651/lava-overlay-1ecm_kkb/lava-10590651/bin
  160 10:19:31.875933  makedir: /var/lib/lava/dispatcher/tmp/10590651/lava-overlay-1ecm_kkb/lava-10590651/tests
  161 10:19:31.876026  makedir: /var/lib/lava/dispatcher/tmp/10590651/lava-overlay-1ecm_kkb/lava-10590651/results
  162 10:19:31.876123  Creating /var/lib/lava/dispatcher/tmp/10590651/lava-overlay-1ecm_kkb/lava-10590651/bin/lava-add-keys
  163 10:19:31.876257  Creating /var/lib/lava/dispatcher/tmp/10590651/lava-overlay-1ecm_kkb/lava-10590651/bin/lava-add-sources
  164 10:19:31.876381  Creating /var/lib/lava/dispatcher/tmp/10590651/lava-overlay-1ecm_kkb/lava-10590651/bin/lava-background-process-start
  165 10:19:31.876503  Creating /var/lib/lava/dispatcher/tmp/10590651/lava-overlay-1ecm_kkb/lava-10590651/bin/lava-background-process-stop
  166 10:19:31.876624  Creating /var/lib/lava/dispatcher/tmp/10590651/lava-overlay-1ecm_kkb/lava-10590651/bin/lava-common-functions
  167 10:19:31.876755  Creating /var/lib/lava/dispatcher/tmp/10590651/lava-overlay-1ecm_kkb/lava-10590651/bin/lava-echo-ipv4
  168 10:19:31.876891  Creating /var/lib/lava/dispatcher/tmp/10590651/lava-overlay-1ecm_kkb/lava-10590651/bin/lava-install-packages
  169 10:19:31.877010  Creating /var/lib/lava/dispatcher/tmp/10590651/lava-overlay-1ecm_kkb/lava-10590651/bin/lava-installed-packages
  170 10:19:31.877126  Creating /var/lib/lava/dispatcher/tmp/10590651/lava-overlay-1ecm_kkb/lava-10590651/bin/lava-os-build
  171 10:19:31.877247  Creating /var/lib/lava/dispatcher/tmp/10590651/lava-overlay-1ecm_kkb/lava-10590651/bin/lava-probe-channel
  172 10:19:31.877364  Creating /var/lib/lava/dispatcher/tmp/10590651/lava-overlay-1ecm_kkb/lava-10590651/bin/lava-probe-ip
  173 10:19:31.877481  Creating /var/lib/lava/dispatcher/tmp/10590651/lava-overlay-1ecm_kkb/lava-10590651/bin/lava-target-ip
  174 10:19:31.877598  Creating /var/lib/lava/dispatcher/tmp/10590651/lava-overlay-1ecm_kkb/lava-10590651/bin/lava-target-mac
  175 10:19:31.877714  Creating /var/lib/lava/dispatcher/tmp/10590651/lava-overlay-1ecm_kkb/lava-10590651/bin/lava-target-storage
  176 10:19:31.877832  Creating /var/lib/lava/dispatcher/tmp/10590651/lava-overlay-1ecm_kkb/lava-10590651/bin/lava-test-case
  177 10:19:31.877950  Creating /var/lib/lava/dispatcher/tmp/10590651/lava-overlay-1ecm_kkb/lava-10590651/bin/lava-test-event
  178 10:19:31.878067  Creating /var/lib/lava/dispatcher/tmp/10590651/lava-overlay-1ecm_kkb/lava-10590651/bin/lava-test-feedback
  179 10:19:31.878184  Creating /var/lib/lava/dispatcher/tmp/10590651/lava-overlay-1ecm_kkb/lava-10590651/bin/lava-test-raise
  180 10:19:31.878301  Creating /var/lib/lava/dispatcher/tmp/10590651/lava-overlay-1ecm_kkb/lava-10590651/bin/lava-test-reference
  181 10:19:31.878419  Creating /var/lib/lava/dispatcher/tmp/10590651/lava-overlay-1ecm_kkb/lava-10590651/bin/lava-test-runner
  182 10:19:31.878537  Creating /var/lib/lava/dispatcher/tmp/10590651/lava-overlay-1ecm_kkb/lava-10590651/bin/lava-test-set
  183 10:19:31.878701  Creating /var/lib/lava/dispatcher/tmp/10590651/lava-overlay-1ecm_kkb/lava-10590651/bin/lava-test-shell
  184 10:19:31.878825  Updating /var/lib/lava/dispatcher/tmp/10590651/lava-overlay-1ecm_kkb/lava-10590651/bin/lava-add-keys (debian)
  185 10:19:31.878973  Updating /var/lib/lava/dispatcher/tmp/10590651/lava-overlay-1ecm_kkb/lava-10590651/bin/lava-add-sources (debian)
  186 10:19:31.879106  Updating /var/lib/lava/dispatcher/tmp/10590651/lava-overlay-1ecm_kkb/lava-10590651/bin/lava-install-packages (debian)
  187 10:19:31.879238  Updating /var/lib/lava/dispatcher/tmp/10590651/lava-overlay-1ecm_kkb/lava-10590651/bin/lava-installed-packages (debian)
  188 10:19:31.879368  Updating /var/lib/lava/dispatcher/tmp/10590651/lava-overlay-1ecm_kkb/lava-10590651/bin/lava-os-build (debian)
  189 10:19:31.879482  Creating /var/lib/lava/dispatcher/tmp/10590651/lava-overlay-1ecm_kkb/lava-10590651/environment
  190 10:19:31.879573  LAVA metadata
  191 10:19:31.879641  - LAVA_JOB_ID=10590651
  192 10:19:31.879702  - LAVA_DISPATCHER_IP=192.168.201.1
  193 10:19:31.879797  start: 1.6.2.1 ssh-authorize (timeout 00:09:49) [common]
  194 10:19:31.880003  end: 1.6.2.1 ssh-authorize (duration 00:00:00) [common]
  195 10:19:31.880091  start: 1.6.2.2 lava-vland-overlay (timeout 00:09:49) [common]
  196 10:19:31.880154  skipped lava-vland-overlay
  197 10:19:31.880228  end: 1.6.2.2 lava-vland-overlay (duration 00:00:00) [common]
  198 10:19:31.880321  start: 1.6.2.3 lava-multinode-overlay (timeout 00:09:49) [common]
  199 10:19:31.880382  skipped lava-multinode-overlay
  200 10:19:31.880454  end: 1.6.2.3 lava-multinode-overlay (duration 00:00:00) [common]
  201 10:19:31.880531  start: 1.6.2.4 test-definition (timeout 00:09:49) [common]
  202 10:19:31.880600  Loading test definitions
  203 10:19:31.880687  start: 1.6.2.4.1 inline-repo-action (timeout 00:09:49) [common]
  204 10:19:31.880755  Using /lava-10590651 at stage 0
  205 10:19:31.881015  uuid=10590651_1.6.2.4.1 testdef=None
  206 10:19:31.881103  end: 1.6.2.4.1 inline-repo-action (duration 00:00:00) [common]
  207 10:19:31.881186  start: 1.6.2.4.2 test-overlay (timeout 00:09:49) [common]
  208 10:19:31.881609  end: 1.6.2.4.2 test-overlay (duration 00:00:00) [common]
  210 10:19:31.881831  start: 1.6.2.4.3 test-install-overlay (timeout 00:09:49) [common]
  211 10:19:31.882476  end: 1.6.2.4.3 test-install-overlay (duration 00:00:00) [common]
  213 10:19:31.882829  start: 1.6.2.4.4 test-runscript-overlay (timeout 00:09:49) [common]
  214 10:19:31.883460  runner path: /var/lib/lava/dispatcher/tmp/10590651/lava-overlay-1ecm_kkb/lava-10590651/0/tests/0_timesync-off test_uuid 10590651_1.6.2.4.1
  215 10:19:31.883634  end: 1.6.2.4.4 test-runscript-overlay (duration 00:00:00) [common]
  217 10:19:31.883894  start: 1.6.2.4.5 git-repo-action (timeout 00:09:49) [common]
  218 10:19:31.883966  Using /lava-10590651 at stage 0
  219 10:19:31.884059  Fetching tests from https://github.com/kernelci/test-definitions.git
  220 10:19:31.884134  Running '/usr/bin/git clone https://github.com/kernelci/test-definitions.git /var/lib/lava/dispatcher/tmp/10590651/lava-overlay-1ecm_kkb/lava-10590651/0/tests/1_kselftest-lkdtm'
  221 10:19:40.359863  Running '/usr/bin/git checkout kernelci.org
  222 10:19:40.495360  Tests stored (tmp) in /var/lib/lava/dispatcher/tmp/10590651/lava-overlay-1ecm_kkb/lava-10590651/0/tests/1_kselftest-lkdtm/automated/linux/kselftest/kselftest.yaml
  223 10:19:40.496031  uuid=10590651_1.6.2.4.5 testdef=None
  224 10:19:40.496210  end: 1.6.2.4.5 git-repo-action (duration 00:00:09) [common]
  226 10:19:40.496491  start: 1.6.2.4.6 test-overlay (timeout 00:09:40) [common]
  227 10:19:40.497229  end: 1.6.2.4.6 test-overlay (duration 00:00:00) [common]
  229 10:19:40.497501  start: 1.6.2.4.7 test-install-overlay (timeout 00:09:40) [common]
  230 10:19:40.498536  end: 1.6.2.4.7 test-install-overlay (duration 00:00:00) [common]
  232 10:19:40.498842  start: 1.6.2.4.8 test-runscript-overlay (timeout 00:09:40) [common]
  233 10:19:40.499730  runner path: /var/lib/lava/dispatcher/tmp/10590651/lava-overlay-1ecm_kkb/lava-10590651/0/tests/1_kselftest-lkdtm test_uuid 10590651_1.6.2.4.5
  234 10:19:40.499822  BOARD='imx6q-sabrelite'
  235 10:19:40.499913  BRANCH='cip-gitlab'
  236 10:19:40.499998  SKIPFILE='/dev/null'
  237 10:19:40.500055  SKIP_INSTALL='True'
  238 10:19:40.500110  TESTPROG_URL='http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.180-cip34-236-g6d219c607dc68/arm/multi_v7_defconfig+kselftest/gcc-10/kselftest.tar.xz'
  239 10:19:40.500166  TST_CASENAME=''
  240 10:19:40.500221  TST_CMDFILES='lkdtm'
  241 10:19:40.500359  end: 1.6.2.4.8 test-runscript-overlay (duration 00:00:00) [common]
  243 10:19:40.500558  Creating lava-test-runner.conf files
  244 10:19:40.500620  Using lava-test-runner path: /var/lib/lava/dispatcher/tmp/10590651/lava-overlay-1ecm_kkb/lava-10590651/0 for stage 0
  245 10:19:40.500708  - 0_timesync-off
  246 10:19:40.500777  - 1_kselftest-lkdtm
  247 10:19:40.500869  end: 1.6.2.4 test-definition (duration 00:00:09) [common]
  248 10:19:40.500956  start: 1.6.2.5 compress-overlay (timeout 00:09:40) [common]
  249 10:19:47.599352  end: 1.6.2.5 compress-overlay (duration 00:00:07) [common]
  250 10:19:47.599516  start: 1.6.2.6 persistent-nfs-overlay (timeout 00:09:33) [common]
  251 10:19:47.599638  end: 1.6.2.6 persistent-nfs-overlay (duration 00:00:00) [common]
  252 10:19:47.599764  end: 1.6.2 lava-overlay (duration 00:00:16) [common]
  253 10:19:47.599878  start: 1.6.3 extract-overlay-ramdisk (timeout 00:09:33) [common]
  254 10:19:47.676030  end: 1.6.3 extract-overlay-ramdisk (duration 00:00:00) [common]
  255 10:19:47.676373  start: 1.6.4 extract-modules (timeout 00:09:33) [common]
  256 10:19:47.676512  extracting modules file /var/lib/lava/dispatcher/tmp/10590651/tftp-deploy-l5yqndaz/modules/modules.tar to /var/lib/lava/dispatcher/tmp/10590651/extract-nfsrootfs-4kmfd9k3
  257 10:19:47.834496  extracting modules file /var/lib/lava/dispatcher/tmp/10590651/tftp-deploy-l5yqndaz/modules/modules.tar to /var/lib/lava/dispatcher/tmp/10590651/extract-overlay-ramdisk-eolycvsl/ramdisk
  258 10:19:47.994423  end: 1.6.4 extract-modules (duration 00:00:00) [common]
  259 10:19:47.994656  start: 1.6.5 apply-overlay-tftp (timeout 00:09:33) [common]
  260 10:19:47.994780  [common] Applying overlay to NFS
  261 10:19:47.994879  [common] Applying overlay /var/lib/lava/dispatcher/tmp/10590651/compress-overlay-evyr9qzh/overlay-1.6.2.5.tar.gz to directory /var/lib/lava/dispatcher/tmp/10590651/extract-nfsrootfs-4kmfd9k3
  262 10:19:48.847973  end: 1.6.5 apply-overlay-tftp (duration 00:00:01) [common]
  263 10:19:48.848138  start: 1.6.6 prepare-kernel (timeout 00:09:32) [common]
  264 10:19:48.848243  start: 1.6.6.1 uboot-prepare-kernel (timeout 00:09:32) [common]
  265 10:19:48.848342  end: 1.6.6.1 uboot-prepare-kernel (duration 00:00:00) [common]
  266 10:19:48.848424  end: 1.6.6 prepare-kernel (duration 00:00:00) [common]
  267 10:19:48.848508  start: 1.6.7 configure-preseed-file (timeout 00:09:32) [common]
  268 10:19:48.848588  end: 1.6.7 configure-preseed-file (duration 00:00:00) [common]
  269 10:19:48.848669  start: 1.6.8 compress-ramdisk (timeout 00:09:32) [common]
  270 10:19:48.848742  Building ramdisk /var/lib/lava/dispatcher/tmp/10590651/extract-overlay-ramdisk-eolycvsl/ramdisk.cpio containing /var/lib/lava/dispatcher/tmp/10590651/extract-overlay-ramdisk-eolycvsl/ramdisk
  271 10:19:49.042586  >> 80733 blocks

  272 10:19:50.633326  Adding RAMdisk u-boot header.
  273 10:19:50.633662  mkimage -A arm -T ramdisk -C none -d /var/lib/lava/dispatcher/tmp/10590651/extract-overlay-ramdisk-eolycvsl/ramdisk.cpio.gz /var/lib/lava/dispatcher/tmp/10590651/extract-overlay-ramdisk-eolycvsl/ramdisk.cpio.gz.uboot
  274 10:19:50.711585  output: Image Name:   
  275 10:19:50.711945  output: Created:      Mon Jun  5 11:19:50 2023
  276 10:19:50.712032  output: Image Type:   ARM Linux RAMDisk Image (uncompressed)
  277 10:19:50.712107  output: Data Size:    15458420 Bytes = 15096.11 KiB = 14.74 MiB
  278 10:19:50.712178  output: Load Address: 00000000
  279 10:19:50.712246  output: Entry Point:  00000000
  280 10:19:50.712314  output: 
  281 10:19:50.712444  rename /var/lib/lava/dispatcher/tmp/10590651/extract-overlay-ramdisk-eolycvsl/ramdisk.cpio.gz.uboot to /var/lib/lava/dispatcher/tmp/10590651/tftp-deploy-l5yqndaz/ramdisk/ramdisk.cpio.gz.uboot
  282 10:19:50.712664  end: 1.6.8 compress-ramdisk (duration 00:00:02) [common]
  283 10:19:50.712799  end: 1.6 prepare-tftp-overlay (duration 00:00:22) [common]
  284 10:19:50.712913  start: 1.7 lxc-create-udev-rule-action (timeout 00:09:30) [common]
  285 10:19:50.713010  No LXC device requested
  286 10:19:50.713102  end: 1.7 lxc-create-udev-rule-action (duration 00:00:00) [common]
  287 10:19:50.713200  start: 1.8 deploy-device-env (timeout 00:09:30) [common]
  288 10:19:50.713291  end: 1.8 deploy-device-env (duration 00:00:00) [common]
  289 10:19:50.713373  Checking files for TFTP limit of 4294967296 bytes.
  290 10:19:50.713912  end: 1 tftp-deploy (duration 00:00:30) [common]
  291 10:19:50.714033  start: 2 uboot-action (timeout 00:05:00) [common]
  292 10:19:50.714148  start: 2.1 uboot-from-media (timeout 00:05:00) [common]
  293 10:19:50.714245  end: 2.1 uboot-from-media (duration 00:00:00) [common]
  294 10:19:50.714344  start: 2.2 bootloader-overlay (timeout 00:05:00) [common]
  295 10:19:50.714517  substitutions:
  296 10:19:50.714609  - {BOOTX}: bootz 0x10000000 0x14000000 0x13f00000
  297 10:19:50.714690  - {DTB_ADDR}: 0x13f00000
  298 10:19:50.714760  - {DTB}: 10590651/tftp-deploy-l5yqndaz/dtb/imx6q-sabrelite.dtb
  299 10:19:50.714827  - {INITRD}: 10590651/tftp-deploy-l5yqndaz/ramdisk/ramdisk.cpio.gz.uboot
  300 10:19:50.714892  - {KERNEL_ADDR}: 0x10000000
  301 10:19:50.714967  - {KERNEL}: 10590651/tftp-deploy-l5yqndaz/kernel/zImage
  302 10:19:50.715024  - {LAVA_MAC}: None
  303 10:19:50.715081  - {NFSROOTFS}: /var/lib/lava/dispatcher/tmp/10590651/extract-nfsrootfs-4kmfd9k3
  304 10:19:50.715140  - {NFS_SERVER_IP}: 192.168.201.1
  305 10:19:50.715196  - {PRESEED_CONFIG}: None
  306 10:19:50.715252  - {PRESEED_LOCAL}: None
  307 10:19:50.715309  - {RAMDISK_ADDR}: 0x14000000
  308 10:19:50.715366  - {RAMDISK}: 10590651/tftp-deploy-l5yqndaz/ramdisk/ramdisk.cpio.gz.uboot
  309 10:19:50.715422  - {ROOT_PART}: None
  310 10:19:50.715479  - {ROOT}: None
  311 10:19:50.715535  - {SERVER_IP}: 192.168.201.1
  312 10:19:50.715590  - {TEE_ADDR}: 0x83000000
  313 10:19:50.715645  - {TEE}: None
  314 10:19:50.715701  Parsed boot commands:
  315 10:19:50.715756  - setenv autoload no
  316 10:19:50.715813  - setenv initrd_high 0xffffffff
  317 10:19:50.715869  - setenv fdt_high 0xffffffff
  318 10:19:50.715925  - dhcp
  319 10:19:50.715981  - setenv serverip 192.168.201.1
  320 10:19:50.716037  - tftp 0x10000000 10590651/tftp-deploy-l5yqndaz/kernel/zImage
  321 10:19:50.716094  - tftp 0x14000000 10590651/tftp-deploy-l5yqndaz/ramdisk/ramdisk.cpio.gz.uboot
  322 10:19:50.716150  - setenv initrd_size ${filesize}
  323 10:19:50.716206  - tftp 0x13f00000 10590651/tftp-deploy-l5yqndaz/dtb/imx6q-sabrelite.dtb
  324 10:19:50.716262  - setenv bootargs 'console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/10590651/extract-nfsrootfs-4kmfd9k3,tcp,hard console_msg_format=syslog earlycon ip=dhcp'
  325 10:19:50.716323  - bootz 0x10000000 0x14000000 0x13f00000
  326 10:19:50.716397  end: 2.2 bootloader-overlay (duration 00:00:00) [common]
  328 10:19:50.716625  start: 2.3 connect-device (timeout 00:05:00) [common]
  329 10:19:50.716701  [common] connect-device Connecting to device using '/usr/bin/console -f -k -M localhost imx6q-sabrelite-lava-cbg-2'
  330 10:19:50.719790  Setting prompt string to ['lava-test: # ']
  331 10:19:50.720094  end: 2.3 connect-device (duration 00:00:00) [common]
  332 10:19:50.720205  start: 2.4 uboot-commands (timeout 00:05:00) [common]
  333 10:19:50.720296  start: 2.4.1 reset-device (timeout 00:05:00) [common]
  334 10:19:50.720392  start: 2.4.1.1 pdu-reboot (timeout 00:05:00) [common]
  335 10:19:50.720562  Calling: 'pduclient' '--daemon=localhost' '--hostname=pms-0' '--port=3' '--command=reboot'
  336 10:19:55.852475  >> Command sent successfully.

  337 10:19:55.858195  Returned 0 in 5 seconds
  338 10:19:55.959072  end: 2.4.1.1 pdu-reboot (duration 00:00:05) [common]
  340 10:19:55.960323  end: 2.4.1 reset-device (duration 00:00:05) [common]
  341 10:19:55.960789  start: 2.4.2 bootloader-interrupt (timeout 00:04:55) [common]
  342 10:19:55.961209  Setting prompt string to ['Hit any key to stop autoboot']
  343 10:19:55.961545  bootloader-interrupt: Wait for prompt ['Hit any key to stop autoboot'] (timeout 00:05:00)
  344 10:19:55.962583  [Enter `^Ec?' for help]

  345 10:19:57.296438  

  346 10:19:57.296918  

  347 10:19:57.322115  U-Boot 2021.10+dfsg-1+apertis10bv2023dev2b2 (Apr 18 2022 - 16:34:49 +0000)

  348 10:19:57.322198  

  349 10:19:57.322264  CPU:   Freescale i.MX6Q rev1.0 at 792 MHz

  350 10:19:57.322325  Reset cause: POR

  351 10:19:57.322383  Model: Freescale i.MX6 Quad SABRE Lite Board

  352 10:19:57.322441  Board: SABRE Lite

  353 10:19:57.322496  I2C:   ready

  354 10:19:57.322551  DRAM:  1 GiB

  355 10:19:57.369933  MMC:   FSL_SDHC: 0, FSL_SDHC: 1

  356 10:19:57.414924  Loading Environment from SPIFlash... SF: Detected sst25vf016b with page size 256 Bytes, erase size 4 KiB, total 2 MiB

  357 10:19:57.415007  *** Warning - bad CRC, using default environment

  358 10:19:57.415078  

  359 10:19:57.415139  In:    serial

  360 10:19:57.415197  Out:   serial

  361 10:19:57.415253  Err:   serial

  362 10:19:57.415308  Net:   using phy at 6

  363 10:19:57.435926  FEC [PRIME], usb_ether

  364 10:19:57.436009  Error: usb_ether address not set.

  365 10:19:57.436074  

  366 10:19:57.436134  starting USB...

  367 10:19:57.436191  Bus usb@2184000: usb dr_mode not found

  368 10:19:57.483817  Bus usb@2184200: USB EHCI 1.00

  369 10:20:00.519654  scanning bus usb@2184000 for devices... 1 USB Device(s) found

  370 10:20:05.678388  scanning bus usb@2184200 for devices... 2 USB Device(s) found

  371 10:20:05.678528         scanning usb for storage devices... 0 Storage Device(s) found

  372 10:20:05.678618         scanning usb for ethernet devices... 0 Ethernet Device(s) found

  374 10:20:05.840431  Hit any key to stop autoboot:  3 

  375 10:20:05.840560  end: 2.4.2 bootloader-interrupt (duration 00:00:10) [common]
  376 10:20:05.840667  start: 2.4.3 bootloader-commands (timeout 00:04:45) [common]
  377 10:20:05.840749  Setting prompt string to ['=>']
  378 10:20:05.840828  bootloader-commands: Wait for prompt ['=>'] (timeout 00:04:45)
  379 10:20:05.853969   0 

  380 10:20:05.854271  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 10:20:05.854349  Sending with 10 millisecond of delay
  383 10:20:06.986782  => setenv autoload no

  384 10:20:06.997420  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 10:20:07.001683  setenv autoload no

  386 10:20:07.002359  Sending with 10 millisecond of delay
  388 10:20:08.803007  => setenv initrd_high 0xffffffff

  389 10:20:08.814029  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 10:20:08.814889  setenv initrd_high 0xffffffff

  391 10:20:08.815609  Sending with 10 millisecond of delay
  393 10:20:10.445406  => setenv fdt_high 0xffffffff

  394 10:20:10.456280  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 10:20:10.457106  setenv fdt_high 0xffffffff

  396 10:20:10.457755  Sending with 10 millisecond of delay
  398 10:20:10.751013  => dhcp

  399 10:20:10.761778  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 10:20:10.762670  dhcp

  401 10:20:10.879812  BOOTP broadcast 1

  402 10:20:10.880325  DHCP client bound to address 192.168.201.13 (5 ms)

  403 10:20:10.880928  Sending with 10 millisecond of delay
  405 10:20:12.692677  => setenv serverip 192.168.201.1

  406 10:20:12.703541  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 10:20:12.704366  setenv serverip 192.168.201.1

  408 10:20:12.705006  Sending with 10 millisecond of delay
  410 10:20:16.337786  => tftp 0x10000000 10590651/tftp-deploy-l5yqndaz/kernel/zImage

  411 10:20:16.348685  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 10:20:16.349493  tftp 0x10000000 10590651/tftp-deploy-l5yqndaz/kernel/zImage

  413 10:20:16.466481  Using FEC device

  414 10:20:16.467078  TFTP from server 192.168.201.1; our IP address is 192.168.201.13

  415 10:20:16.467473  Filename '10590651/tftp-deploy-l5yqndaz/kernel/zImage'.

  416 10:20:16.467823  Load address: 0x10000000

  417 10:20:16.689646  Loading: *#################################################################

  418 10:20:16.881443  	 #################################################################

  419 10:20:17.089123  	 #################################################################

  420 10:20:17.296773  	 #################################################################

  421 10:20:17.504409  	 #################################################################

  422 10:20:17.712144  	 #################################################################

  423 10:20:17.919884  	 #################################################################

  424 10:20:18.127580  	 #################################################################

  425 10:20:18.335356  	 #################################################################

  426 10:20:18.527226  	 #################################################################

  427 10:20:18.734831  	 #################################################################

  428 10:20:18.942503  	 #################################################################

  429 10:20:19.150250  	 #################################################################

  430 10:20:19.150330  	 #

  431 10:20:19.150397  	 4.4 MiB/s

  432 10:20:19.150457  done

  433 10:20:19.166628  Bytes transferred = 12415488 (bd7200 hex)

  434 10:20:19.167013  Sending with 10 millisecond of delay
  436 10:20:23.766419  => tftp 0x14000000 10590651/tftp-deploy-l5yqndaz/ramdisk/ramdisk.cpio.gz.uboot

  437 10:20:23.777380  bootloader-commands: Wait for prompt ['=>', 'Resetting CPU', 'Must RESET board to recover', 'TIMEOUT', 'Retry count exceeded', 'Retry time exceeded; starting again', 'ERROR: The remote end did not respond in time.', 'File not found', 'Bad Linux ARM64 Image magic!', 'Wrong Ramdisk Image Format', 'Ramdisk image is corrupt or invalid', 'ERROR: Failed to allocate', 'TFTP error: trying to overwrite reserved memory', 'Bad Linux RISCV Image magic!', 'Wrong Image Format for boot', 'ERROR: Did not find a cmdline Flattened Device Tree', 'ERROR: RD image overlaps OS image'] (timeout 00:04:27)
  438 10:20:23.784311  tftp 0x14000000 10590651/tftp-deploy-l5yqndaz/ramdisk/ramdisk.cpio.gz.uboot

  439 10:20:23.900987  Using FEC device

  440 10:20:23.901511  TFTP from server 192.168.201.1; our IP address is 192.168.201.13

  441 10:20:23.901934  Filename '10590651/tftp-deploy-l5yqndaz/ramdisk/ramdisk.cpio.gz.uboot'.

  442 10:20:23.902314  Load address: 0x14000000

  443 10:20:24.220324  Loading: *#################################################################

  444 10:20:24.539910  	 #################################################################

  445 10:20:24.875368  	 #################################################################

  446 10:20:25.178864  	 #################################################################

  447 10:20:25.482571  	 #################################################################

  448 10:20:25.817955  	 #################################################################

  449 10:20:26.137600  	 #################################################################

  450 10:20:26.473187  	 #################################################################

  451 10:20:26.808781  	 #################################################################

  452 10:20:27.128209  	 #################################################################

  453 10:20:27.463713  	 #################################################################

  454 10:20:27.783196  	 #################################################################

  455 10:20:28.118765  	 #################################################################

  456 10:20:28.454402  	 #################################################################

  457 10:20:28.789772  	 #################################################################

  458 10:20:29.109257  	 #################################################################

  459 10:20:29.198449  	 ##############

  460 10:20:29.199036  	 2.8 MiB/s

  461 10:20:29.199378  done

  462 10:20:29.199687  Bytes transferred = 15458484 (ebe0b4 hex)

  463 10:20:29.200314  Sending with 10 millisecond of delay
  465 10:20:31.073024  => setenv initrd_size ${filesize}

  466 10:20:31.083841  bootloader-commands: Wait for prompt ['=>', 'Resetting CPU', 'Must RESET board to recover', 'TIMEOUT', 'Retry count exceeded', 'Retry time exceeded; starting again', 'ERROR: The remote end did not respond in time.', 'File not found', 'Bad Linux ARM64 Image magic!', 'Wrong Ramdisk Image Format', 'Ramdisk image is corrupt or invalid', 'ERROR: Failed to allocate', 'TFTP error: trying to overwrite reserved memory', 'Bad Linux RISCV Image magic!', 'Wrong Image Format for boot', 'ERROR: Did not find a cmdline Flattened Device Tree', 'ERROR: RD image overlaps OS image'] (timeout 00:04:20)
  467 10:20:31.084668  setenv initrd_size ${filesize}

  468 10:20:31.085306  Sending with 10 millisecond of delay
  470 10:20:35.326684  => tftp 0x13f00000 10590651/tftp-deploy-l5yqndaz/dtb/imx6q-sabrelite.dtb

  471 10:20:35.337600  bootloader-commands: Wait for prompt ['=>', 'Resetting CPU', 'Must RESET board to recover', 'TIMEOUT', 'Retry count exceeded', 'Retry time exceeded; starting again', 'ERROR: The remote end did not respond in time.', 'File not found', 'Bad Linux ARM64 Image magic!', 'Wrong Ramdisk Image Format', 'Ramdisk image is corrupt or invalid', 'ERROR: Failed to allocate', 'TFTP error: trying to overwrite reserved memory', 'Bad Linux RISCV Image magic!', 'Wrong Image Format for boot', 'ERROR: Did not find a cmdline Flattened Device Tree', 'ERROR: RD image overlaps OS image'] (timeout 00:04:15)
  472 10:20:35.338419  tftp 0x13f00000 10590651/tftp-deploy-l5yqndaz/dtb/imx6q-sabrelite.dtb

  473 10:20:35.461020  Using FEC device

  474 10:20:35.461524  TFTP from server 192.168.201.1; our IP address is 192.168.201.13

  475 10:20:35.461843  Filename '10590651/tftp-deploy-l5yqndaz/dtb/imx6q-sabrelite.dtb'.

  476 10:20:35.462134  Load address: 0x13f00000

  477 10:20:35.485255  Loading: *###

  478 10:20:35.485724  	 2.2 MiB/s

  479 10:20:35.486048  done

  480 10:20:35.486336  Bytes transferred = 42449 (a5d1 hex)

  481 10:20:35.486901  Sending with 10 millisecond of delay
  483 10:20:47.558912  => setenv bootargs 'console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/10590651/extract-nfsrootfs-4kmfd9k3,tcp,hard console_msg_format=syslog earlycon ip=dhcp'

  484 10:20:47.569779  bootloader-commands: Wait for prompt ['=>', 'Resetting CPU', 'Must RESET board to recover', 'TIMEOUT', 'Retry count exceeded', 'Retry time exceeded; starting again', 'ERROR: The remote end did not respond in time.', 'File not found', 'Bad Linux ARM64 Image magic!', 'Wrong Ramdisk Image Format', 'Ramdisk image is corrupt or invalid', 'ERROR: Failed to allocate', 'TFTP error: trying to overwrite reserved memory', 'Bad Linux RISCV Image magic!', 'Wrong Image Format for boot', 'ERROR: Did not find a cmdline Flattened Device Tree', 'ERROR: RD image overlaps OS image'] (timeout 00:04:03)
  485 10:20:47.570631  setenv bootargs 'console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/10590651/extract-nfsrootfs-4kmfd9k3,tcp,hard console_msg_format=syslog earlycon ip=dhcp'

  486 10:20:47.571300  Sending with 10 millisecond of delay
  488 10:20:49.926404  => bootz 0x10000000 0x14000000 0x13f00000

  489 10:20:49.936742  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 10:20:49.936964  bootloader-commands: Wait for prompt ['Starting kernel', 'Resetting CPU', 'Must RESET board to recover', 'TIMEOUT', 'Retry count exceeded', 'Retry time exceeded; starting again', 'ERROR: The remote end did not respond in time.', 'File not found', 'Bad Linux ARM64 Image magic!', 'Wrong Ramdisk Image Format', 'Ramdisk image is corrupt or invalid', 'ERROR: Failed to allocate', 'TFTP error: trying to overwrite reserved memory', 'Bad Linux RISCV Image magic!', 'Wrong Image Format for boot', 'ERROR: Did not find a cmdline Flattened Device Tree', 'ERROR: RD image overlaps OS image'] (timeout 00:04:01)
  491 10:20:49.970528  bootz 0x10000000 0x14000000 0x13f00000

  492 10:20:49.970874  Kernel image @ 0x10000000 [ 0x000000 - 0xbd7200 ]

  493 10:20:49.971102  ## Loading init Ramdisk from Legacy Image at 14000000 ...

  494 10:20:49.971323     Image Name:   

  495 10:20:49.971520     Image Type:   ARM Linux RAMDisk Image (uncompressed)

  496 10:20:49.971714     Data Size:    15458420 Bytes = 14.7 MiB

  497 10:20:49.971902     Load Address: 00000000

  498 10:20:49.972089     Entry Point:  00000000

  499 10:20:50.130460     Verifying Checksum ... OK

  500 10:20:50.164308  ## Flattened Device Tree blob at 13f00000

  501 10:20:50.164785     Booting using the fdt blob at 0x13f00000

  502 10:20:50.165080     Using Device Tree in place at 13f00000, end 13f0d5d0

  503 10:20:50.165343  

  504 10:20:50.165595  Starting kernel ...

  505 10:20:50.165842  

  506 10:20:50.166469  end: 2.4.3 bootloader-commands (duration 00:00:44) [common]
  507 10:20:50.166878  start: 2.4.4 auto-login-action (timeout 00:04:01) [common]
  508 10:20:50.167173  Setting prompt string to ['Linux version [0-9]']
  509 10:20:50.167457  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 10:20:50.167755  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 10:20:51.198001  [    0.000000] Booting Linux on physical CPU 0x0

  512 10:20:51.198180  [    0.000000] Linux version 5.10.182-cip34 (KernelCI@build-j1608869-arm-gcc-10-multi-v7-defconfig-kselftest-kzn7g) (arm-linux-gnueabihf-gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Mon Jun 5 10:08:49 UTC 2023

  513 10:20:51.198285  [    0.000000] CPU: ARMv7 Processor [412fc09a] revision 10 (ARMv7), cr=10c5387d

  514 10:20:51.198371  [    0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache

  515 10:20:51.198690  start: 2.4.4.1 login-action (timeout 00:04:00) [common]
  516 10:20:51.198807  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 10:20:51.198899  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']
  518 10:20:51.198979  Using line separator: #'\n'#
  519 10:20:51.199045  No login prompt set.
  520 10:20:51.199116  Parsing kernel messages
  521 10:20:51.199177  ['-\\[ 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']
  522 10:20:51.199285  [login-action] Waiting for messages, (timeout 00:04:00)
  523 10:20:51.240887  [    0.000000] OF: fdt: Machine model: Freescale i.MX6 Quad SABRE Lite Board

  524 10:20:51.241045  [    0.000000] earlycon: ec_imx21 at MMIO 0x021e8000 (options '')

  525 10:20:51.241111  [    0.000000] printk: bootconsole [ec_imx21] enabled

  526 10:20:51.241173  [    0.000000] Memory policy: Data cache writealloc

  527 10:20:51.241231  [    0.000000] efi: UEFI not found.

  528 10:20:51.241287  [    0.000000] OF: fdt: Reserved memory: unsupported node format, ignoring

  529 10:20:51.241343  [    0.000000] cma: Reserved 64 MiB at 0x4c000000

  530 10:20:51.241398  [    0.000000] Zone ranges:

  531 10:20:51.241454  [    0.000000]   DMA      [mem 0x0000000010000000-0x000000003fffffff]

  532 10:20:51.241508  [    0.000000]   Normal   empty

  533 10:20:51.283375  [    0.000000]   HighMem  [mem 0x0000000040000000-0x000000004fffffff]

  534 10:20:51.283756  [    0.000000] Movable zone start for each node

  535 10:20:51.284039  [    0.000000] Early memory node ranges

  536 10:20:51.284307  [    0.000000]   node   0: [mem 0x0000000010000000-0x000000004fffffff]

  537 10:20:51.284562  [    0.000000] Initmem setup node 0 [mem 0x0000000010000000-0x000000004fffffff]

  538 10:20:51.358793  [    0.000000] percpu: Embedded 21 pages/cpu s55468 r8192 d22356 u86016

  539 10:20:51.359275  [    0.000000] Built 1 zonelists, mobility grouping on.  Total pages: 260608

  540 10:20:51.359591  [    0.000000] Kernel command line: console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/10590651/extract-nfsrootfs-4kmfd9k3,tcp,hard console_msg_format=syslog earlycon ip=dhcp

  541 10:20:51.359905  <6>[    0.000000] Dentry cache hash table entries: 131072 (order: 7, 524288 bytes, linear)

  542 10:20:51.379431  <6>[    0.000000] Inode-cache hash table entries: 65536 (order: 6, 262144 bytes, linear)

  543 10:20:51.379819  <6>[    0.000000] mem auto-init: stack:off, heap alloc:off, heap free:off

  544 10:20:51.569505  <6>[    0.000000] Memory: 921416K/1048576K available (17408K kernel code, 2658K rwdata, 8112K rodata, 2048K init, 6692K bss, 61624K reserved, 65536K cma-reserved, 196608K highmem)

  545 10:20:51.570106  <6>[    0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1

  546 10:20:51.570451  <6>[    0.000000] ftrace: allocating 55481 entries in 163 pages

  547 10:20:51.920732  <6>[    0.000000] ftrace: allocated 163 pages with 4 groups

  548 10:20:51.921261  <6>[    0.000000] Running RCU self tests

  549 10:20:51.921630  <6>[    0.000000] rcu: Hierarchical RCU implementation.

  550 10:20:51.922000  <6>[    0.000000] rcu: 	RCU event tracing is enabled.

  551 10:20:51.922313  <6>[    0.000000] rcu: 	RCU lockdep checking is enabled.

  552 10:20:51.922645  <6>[    0.000000] rcu: 	RCU restricting CPUs from NR_CPUS=16 to nr_cpu_ids=4.

  553 10:20:51.922995  <6>[    0.000000] 	Rude variant of Tasks RCU enabled.

  554 10:20:51.923323  <6>[    0.000000] 	Tracing variant of Tasks RCU enabled.

  555 10:20:51.946787  <6>[    0.000000] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies.

  556 10:20:51.947311  <6>[    0.000000] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4

  557 10:20:52.029235  <6>[    0.000000] NR_IRQS: 16, nr_irqs: 16, preallocated irqs: 16

  558 10:20:52.029814  <6>[    0.000000] L2C-310 errata 752271 769419 enabled

  559 10:20:52.030174  <6>[    0.000000] L2C-310 enabling early BRESP for Cortex-A9

  560 10:20:52.030494  <6>[    0.000000] L2C-310 full line of zeros enabled for Cortex-A9

  561 10:20:52.030948  <6>[    0.000000] L2C-310 ID prefetch enabled, offset 16 lines

  562 10:20:52.031269  <6>[    0.000000] L2C-310 dynamic clock gating enabled, standby mode enabled

  563 10:20:52.031571  <6>[    0.000000] L2C-310 cache controller enabled, 16 ways, 1024 kB

  564 10:20:52.044907  <6>[    0.000000] L2C-310: CACHE_ID 0x410000c7, AUX_CTRL 0x76470001

  565 10:20:52.140061  <6>[    0.000000] Switching to timer-based delay loop, resolution 15ns

  566 10:20:52.140593  <6>[    0.000008] sched_clock: 32 bits at 66MHz, resolution 15ns, wraps every 32537631224ns

  567 10:20:52.140936  <6>[    0.008094] clocksource: mxc_timer1: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 28958491609 ns

  568 10:20:52.141252  <6>[    0.022463] Console: colour dummy device 80x30

  569 10:20:52.141555  <4>[    0.024371] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar

  570 10:20:52.141856  <4>[    0.032381] ... MAX_LOCKDEP_SUBCLASSES:  8

  571 10:20:52.183422  <4>[    0.036724] ... MAX_LOCK_DEPTH:          48

  572 10:20:52.183949  <4>[    0.041137] ... MAX_LOCKDEP_KEYS:        8192

  573 10:20:52.184284  <4>[    0.045770] ... CLASSHASH_SIZE:          4096

  574 10:20:52.184596  <4>[    0.050356] ... MAX_LOCKDEP_ENTRIES:     32768

  575 10:20:52.184895  <4>[    0.055055] ... MAX_LOCKDEP_CHAINS:      65536

  576 10:20:52.185190  <4>[    0.059778] ... CHAINHASH_SIZE:          32768

  577 10:20:52.185498  <4>[    0.064451]  memory used by lock dependency info: 4061 kB

  578 10:20:52.185864  <4>[    0.070130]  memory used for stack traces: 2112 kB

  579 10:20:52.186161  <4>[    0.075152]  per task-struct memory footprint: 1536 bytes

  580 10:20:52.226560  <6>[    0.080889] Calibrating delay loop (skipped), value calculated using timer frequency.. 132.00 BogoMIPS (lpj=660000)

  581 10:20:52.227117  <6>[    0.091543] pid_max: default: 32768 minimum: 301

  582 10:20:52.227459  <6>[    0.096740] LSM: Security Framework initializing

  583 10:20:52.227771  <6>[    0.101330] LSM support for eBPF active

  584 10:20:52.228074  <6>[    0.105450] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes, linear)

  585 10:20:52.228373  <6>[    0.112934] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes, linear)

  586 10:20:52.276537  <6>[    0.123471] CPU: Testing write buffer coherency: ok

  587 10:20:52.277065  <6>[    0.126090] CPU0: Spectre v2: using BPIALL workaround

  588 10:20:52.277406  <6>[    0.132242] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000

  589 10:20:52.277756  <6>[    0.140858] Setting up static identity map for 0x10300000 - 0x103000ac

  590 10:20:52.278112  <6>[    0.147302] rcu: Hierarchical SRCU implementation.

  591 10:20:52.278417  <6>[    0.158622] EFI services will not be available.

  592 10:20:52.278840  <6>[    0.161722] smp: Bringing up secondary CPUs ...

  593 10:20:52.279144  <6>[    0.168318] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001

  594 10:20:52.320450  <6>[    0.168334] CPU1: Spectre v2: using BPIALL workaround

  595 10:20:52.320976  <6>[    0.180224] CPU2: thread -1, cpu 2, socket 0, mpidr 80000002

  596 10:20:52.321318  <6>[    0.180238] CPU2: Spectre v2: using BPIALL workaround

  597 10:20:52.321633  <6>[    0.191781] CPU3: thread -1, cpu 3, socket 0, mpidr 80000003

  598 10:20:52.321990  <6>[    0.191795] CPU3: Spectre v2: using BPIALL workaround

  599 10:20:52.322315  <6>[    0.200838] smp: Brought up 1 node, 4 CPUs

  600 10:20:52.322646  <6>[    0.204541] SMP: Total of 4 processors activated (528.00 BogoMIPS).

  601 10:20:52.323027  <6>[    0.211170] CPU: All CPU(s) started in SVC mode.

  602 10:20:52.336326  <6>[    0.218507] devtmpfs: initialized

  603 10:20:52.423656  <6>[    0.268600] VFP support v0.3: implementor 41 architecture 3 part 30 variant 9 rev 4

  604 10:20:52.424191  <6>[    0.276162] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns

  605 10:20:52.424539  <6>[    0.283889] futex hash table entries: 1024 (order: 4, 65536 bytes, linear)

  606 10:20:52.424857  <6>[    0.295801] pinctrl core: initialized pinctrl subsystem

  607 10:20:52.425159  <6>[    0.304742] DMI not present or invalid.

  608 10:20:52.425457  <6>[    0.308172] NET: Registered protocol family 16

  609 10:20:52.461997  <6>[    0.320458] DMA: preallocated 256 KiB pool for atomic coherent allocations

  610 10:20:52.462537  <6>[    0.333320] thermal_sys: Registered thermal governor 'step_wise'

  611 10:20:52.462923  <6>[    0.333825] cpuidle: using governor menu

  612 10:20:52.463244  <6>[    0.341899] CPU identified as i.MX6Q, silicon rev 1.0

  613 10:20:53.101367  <6>[    0.995830] vdd1p1: supplied by regulator-dummy

  614 10:20:53.133023  <6>[    1.025341] vdd3p0: supplied by regulator-dummy

  615 10:20:53.165017  <6>[    1.054506] vdd2p5: supplied by regulator-dummy

  616 10:20:53.197043  <6>[    1.083763] vddarm: supplied by regulator-dummy

  617 10:20:53.228955  <6>[    1.113769] vddpu: supplied by regulator-dummy

  618 10:20:53.260988  <6>[    1.142311] vddsoc: supplied by regulator-dummy

  619 10:20:54.436712  <6>[    2.306625] No ATAGs?

  620 10:20:54.437177  <6>[    2.307463] hw-breakpoint: found 5 (+1 reserved) breakpoint and 1 watchpoint registers.

  621 10:20:54.437467  <6>[    2.314602] hw-breakpoint: maximum watchpoint size is 4 bytes.

  622 10:20:54.457909  <6>[    2.337904] imx6q-pinctrl 20e0000.pinctrl: initialized IMX pinctrl driver

  623 10:20:54.474044  <6>[    2.367841] Serial: AMBA PL011 UART driver

  624 10:20:54.537914  <6>[    2.425449] Kprobes globally optimized

  625 10:20:54.687959  <6>[    2.530462] iommu: Default domain type: Translated 

  626 10:20:54.688460  <6>[    2.534985] vgaarb: loaded

  627 10:20:54.688787  <5>[    2.540038] SCSI subsystem initialized

  628 10:20:54.689089  <6>[    2.543336] usbcore: registered new interface driver usbfs

  629 10:20:54.689380  <6>[    2.547267] usbcore: registered new interface driver hub

  630 10:20:54.689664  <6>[    2.552703] usbcore: registered new device driver usb

  631 10:20:54.689944  <6>[    2.564643] i2c i2c-0: IMX I2C adapter registered

  632 10:20:54.690221  <6>[    2.572981] i2c i2c-1: IMX I2C adapter registered

  633 10:20:54.690493  <6>[    2.579163] i2c i2c-2: IMX I2C adapter registered

  634 10:20:54.714703  <6>[    2.585411] pps_core: LinuxPPS API ver. 1 registered

  635 10:20:54.715222  <6>[    2.587862] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@linux.it>

  636 10:20:54.715556  <6>[    2.597306] PTP clock support registered

  637 10:20:54.737591  <6>[    2.617472] clocksource: Switched to clocksource mxc_timer1

  638 10:20:56.337354  <6>[    4.195857] NET: Registered protocol family 2

  639 10:20:56.337496  <6>[    4.198467] IP idents hash table entries: 16384 (order: 5, 131072 bytes, linear)

  640 10:20:56.337566  <6>[    4.208364] tcp_listen_portaddr_hash hash table entries: 512 (order: 2, 22528 bytes, linear)

  641 10:20:56.337626  <6>[    4.214376] TCP established hash table entries: 8192 (order: 3, 32768 bytes, linear)

  642 10:20:56.337684  <6>[    4.222504] TCP bind hash table entries: 8192 (order: 6, 327680 bytes, linear)

  643 10:20:56.337741  <6>[    4.231191] TCP: Hash tables configured (established 8192 bind 8192)

  644 10:20:56.380430  <6>[    4.237531] MPTCP token hash table entries: 1024 (order: 3, 49152 bytes, linear)

  645 10:20:56.380514  <6>[    4.244286] UDP hash table entries: 512 (order: 3, 49152 bytes, linear)

  646 10:20:56.380579  <6>[    4.251161] UDP-Lite hash table entries: 512 (order: 3, 49152 bytes, linear)

  647 10:20:56.380638  <6>[    4.258922] NET: Registered protocol family 1

  648 10:20:56.380696  <6>[    4.265282] RPC: Registered named UNIX socket transport module.

  649 10:20:56.380754  <6>[    4.269089] RPC: Registered udp transport module.

  650 10:20:56.380809  <6>[    4.273925] RPC: Registered tcp transport module.

  651 10:20:56.411900  <6>[    4.278950] RPC: Registered tcp NFSv4.1 backchannel transport module.

  652 10:20:56.411981  <6>[    4.285602] NET: Registered protocol family 44

  653 10:20:56.412044  <6>[    4.290361] PCI: CLS 0 bytes, default 64

  654 10:20:56.412103  <6>[    4.296670] Trying to unpack rootfs image as initramfs...

  655 10:20:58.234343  <6>[    6.087715] Freeing initrd memory: 15100K

  656 10:20:58.234864  <4>[    6.090272] hw perfevents: no interrupt-affinity property for /pmu, guessing.

  657 10:20:58.235179  <6>[    6.097811] hw perfevents: enabled with armv7_cortex_a9 PMU driver, 7 counters available

  658 10:20:58.235466  <5>[    6.113060] Initialise system trusted keyrings

  659 10:20:58.235739  <6>[    6.115856] workingset: timestamp_bits=30 max_order=18 bucket_order=0

  660 10:20:58.310019  <6>[    6.165417] squashfs: version 4.0 (2009/01/31) Phillip Lougher

  661 10:20:58.310559  <5>[    6.171966] NFS: Registering the id_resolver key type

  662 10:20:58.310939  <5>[    6.174620] Key type id_resolver registered

  663 10:20:58.311262  <5>[    6.178978] Key type id_legacy registered

  664 10:20:58.311570  <6>[    6.183680] nfs4filelayout_init: NFSv4 File Layout Driver Registering...

  665 10:20:58.311874  <6>[    6.190237] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering...

  666 10:20:58.312171  <6>[    6.197998] ntfs: driver 2.1.32 [Flags: R/O].

  667 10:20:58.312463  <5>[    6.204233] Key type asymmetric registered

  668 10:20:58.352284  <5>[    6.206809] Asymmetric key parser 'x509' registered

  669 10:20:58.352824  <6>[    6.212234] bounce: pool size: 64 pages

  670 10:20:58.353173  <6>[    6.216058] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 247)

  671 10:20:58.353495  <6>[    6.223727] io scheduler mq-deadline registered

  672 10:20:58.353800  <6>[    6.228458] io scheduler kyber registered

  673 10:20:58.354098  <4>[    6.233478] test_firmware: interface ready

  674 10:20:58.511867  <6>[    6.396718] mxs-dma 110000.dma-apbh: initialized

  675 10:20:58.585764  <4>[    6.456767] imx-sdma 20ec000.sdma: Direct firmware load for imx/sdma/sdma-imx6q.bin failed with error -2

  676 10:20:58.586314  <6>[    6.463987] imx-sdma 20ec000.sdma: external firmware not found, using ROM firmware

  677 10:20:58.793611  <6>[    6.677567] Serial: 8250/16550 driver, 5 ports, IRQ sharing enabled

  678 10:20:58.846241  <6>[    6.699792] SuperH (H)SCI(F) driver initialized

  679 10:20:58.846799  <6>[    6.704403] 2020000.serial: ttymxc0 at MMIO 0x2020000 (irq = 34, base_baud = 5000000) is a IMX

  680 10:20:58.847158  <6>[    6.715283] 21e8000.serial: ttymxc1 at MMIO 0x21e8000 (irq = 81, base_baud = 5000000) is a IMX

  681 10:20:58.847482  <6>[    6.721797] printk: console [ttymxc1] enabled

  682 10:20:58.847791  <6>[    6.721797] printk: console [ttymxc1] enabled

  683 10:20:58.848092  <6>[    6.730614] printk: bootconsole [ec_imx21] disabled

  684 10:20:58.848390  <6>[    6.730614] printk: bootconsole [ec_imx21] disabled

  685 10:20:58.879263  <6>[    6.746623] msm_serial: driver initialized

  686 10:20:58.879799  <6>[    6.752091] STMicroelectronics ASC driver initialized

  687 10:20:58.880147  <6>[    6.763418] STM32 USART driver initialized

  688 10:20:58.908250  <6>[    6.788519] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 0

  689 10:20:58.948370  <4>[    6.810093] panel-simple panel-lcd: supply power not found, using dummy regulator

  690 10:20:58.948900  <4>[    6.818716] panel-simple panel-lcd: Specify missing connector_type

  691 10:20:58.949252  <4>[    6.826579] panel-simple panel-lvds0: supply power not found, using dummy regulator

  692 10:20:58.980257  <6>[    6.875828] brd: module loaded

  693 10:20:59.052028  <6>[    6.929907] loop: module loaded

  694 10:20:59.052540  <6>[    6.936189] lkdtm: No crash points registered, enable through debugfs

  695 10:20:59.100446  <6>[    6.957138] ahci-imx 2200000.sata: fsl,transmit-level-mV not specified, using 00000024

  696 10:20:59.100982  <6>[    6.965447] ahci-imx 2200000.sata: fsl,transmit-boost-mdB not specified, using 00000480

  697 10:20:59.101330  <6>[    6.973804] ahci-imx 2200000.sata: fsl,transmit-atten-16ths not specified, using 00002000

  698 10:20:59.101652  <6>[    6.982329] ahci-imx 2200000.sata: fsl,receive-eq-mdB not specified, using 05000000

  699 10:20:59.101960  <4>[    6.990596] ahci-imx 2200000.sata: supply ahci not found, using dummy regulator

  700 10:20:59.155304  <4>[    6.998987] ahci-imx 2200000.sata: supply phy not found, using dummy regulator

  701 10:20:59.155845  <4>[    7.006987] ahci-imx 2200000.sata: supply target not found, using dummy regulator

  702 10:20:59.156195  <6>[    7.018508] ahci-imx 2200000.sata: SSS flag set, parallel bus scan disabled

  703 10:20:59.156519  <6>[    7.025793] ahci-imx 2200000.sata: AHCI 0001.0300 32 slots 1 ports 3 Gbps 0x1 impl platform mode

  704 10:20:59.156836  <6>[    7.034969] ahci-imx 2200000.sata: flags: ncq sntf stag pm led clo only pmp pio slum part ccc apst 

  705 10:20:59.157141  <6>[    7.049160] scsi host0: ahci-imx

  706 10:20:59.199296  <6>[    7.054741] ata1: SATA max UDMA/133 mmio [mem 0x02200000-0x02203fff] port 0x100 irq 84

  707 10:20:59.234024  <6>[    7.114310] bgmac_bcma: Broadcom 47xx GBit MAC driver loaded

  708 10:20:59.234563  <6>[    7.127804] pps pps0: new PPS source ptp0

  709 10:20:59.317360  <6>[    7.172346] fec 2188000.ethernet eth0: registered PHC device 0

  710 10:20:59.317563  <6>[    7.182842] e1000e: Intel(R) PRO/1000 Network Driver

  711 10:20:59.317693  <6>[    7.188155] e1000e: Copyright(c) 1999 - 2015 Intel Corporation.

  712 10:20:59.317807  <6>[    7.194587] igb: Intel(R) Gigabit Ethernet Network Driver

  713 10:20:59.317910  <6>[    7.200325] igb: Copyright (c) 2007-2014 Intel Corporation.

  714 10:20:59.369729  <6>[    7.226426] pegasus: v0.9.3 (2013/04/25), Pegasus/Pegasus II USB Ethernet driver

  715 10:20:59.370274  <6>[    7.234305] usbcore: registered new interface driver pegasus

  716 10:20:59.370668  <6>[    7.240487] usbcore: registered new interface driver asix

  717 10:20:59.371007  <6>[    7.246322] usbcore: registered new interface driver ax88179_178a

  718 10:20:59.371321  <6>[    7.252880] usbcore: registered new interface driver cdc_ether

  719 10:20:59.371628  <6>[    7.259253] usbcore: registered new interface driver smsc75xx

  720 10:20:59.411121  <6>[    7.265473] usbcore: registered new interface driver smsc95xx

  721 10:20:59.411664  <6>[    7.271685] usbcore: registered new interface driver net1080

  722 10:20:59.412013  <6>[    7.277807] usbcore: registered new interface driver cdc_subset

  723 10:20:59.412336  <6>[    7.284156] usbcore: registered new interface driver zaurus

  724 10:20:59.412644  <6>[    7.290318] usbcore: registered new interface driver cdc_ncm

  725 10:20:59.457337  <6>[    7.308086] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver

  726 10:20:59.457877  <6>[    7.314974] ehci-pci: EHCI PCI platform driver

  727 10:20:59.458227  <6>[    7.319896] ehci-platform: EHCI generic platform driver

  728 10:20:59.458552  <6>[    7.326319] ehci-orion: EHCI orion driver

  729 10:20:59.458889  <6>[    7.331501] SPEAr-ehci: EHCI SPEAr driver

  730 10:20:59.459194  <6>[    7.336586] ehci-st: EHCI STMicroelectronics driver

  731 10:20:59.459488  <6>[    7.342577] ehci-exynos: EHCI Exynos driver

  732 10:20:59.459781  <6>[    7.347865] ehci-atmel: EHCI Atmel driver

  733 10:20:59.460070  <6>[    7.352924] tegra-ehci: Tegra EHCI driver

  734 10:20:59.506887  <6>[    7.358094] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver

  735 10:20:59.507427  <6>[    7.364629] ohci-pci: OHCI PCI platform driver

  736 10:20:59.507778  <6>[    7.369550] ohci-platform: OHCI generic platform driver

  737 10:20:59.508097  <6>[    7.375925] SPEAr-ohci: OHCI SPEAr driver

  738 10:20:59.508404  <6>[    7.381063] ohci-st: OHCI STMicroelectronics driver

  739 10:20:59.508704  <6>[    7.387005] ohci-atmel: OHCI Atmel driver

  740 10:20:59.509001  <6>[    7.394531] usbcore: registered new interface driver usb-storage

  741 10:20:59.509294  <6>[    7.399981] ata1: SATA link down (SStatus 0 SControl 300)

  742 10:20:59.548524  <6>[    7.406820] ahci-imx 2200000.sata: no device found, disabling link.

  743 10:20:59.549060  <6>[    7.413477] ahci-imx 2200000.sata: pass ahci_imx..hotplug=1 to enable hotplug

  744 10:20:59.549412  <6>[    7.430690] i2c /dev entries driver

  745 10:20:59.680087  <6>[    7.509783] sdhci: Secure Digital Host Controller Interface driver

  746 10:20:59.680289  <6>[    7.516260] sdhci: Copyright(c) Pierre Ossman

  747 10:20:59.680399  <6>[    7.529832] Synopsys Designware Multimedia Card Interface Driver

  748 10:20:59.680497  <6>[    7.542897] sdhci-pltfm: SDHCI platform and OF driver helper

  749 10:20:59.680589  <6>[    7.552455] sdhci-esdhc-imx 219c000.mmc: Got CD GPIO

  750 10:20:59.680681  <6>[    7.552463] sdhci-esdhc-imx 2198000.mmc: Got CD GPIO

  751 10:20:59.680771  <6>[    7.563327] sdhci-esdhc-imx 2198000.mmc: Got WP GPIO

  752 10:20:59.680859  <6>[    7.569998] ledtrig-cpu: registered to indicate activity on CPUs

  753 10:20:59.744713  <6>[    7.579817] usbcore: registered new interface driver usbhid

  754 10:20:59.745263  <6>[    7.585682] usbhid: USB HID core driver

  755 10:20:59.745612  <6>[    7.591308] mmc3: SDHCI controller on 219c000.mmc [219c000.mmc] using ADMA

  756 10:20:59.745937  <6>[    7.603871] mmc2: SDHCI controller on 2198000.mmc [2198000.mmc] using ADMA

  757 10:20:59.746249  <6>[    7.612312] netem: version 1.3

  758 10:20:59.746551  <6>[    7.615987] ipip: IPv4 and MPLS over IPv4 tunneling driver

  759 10:20:59.746885  <6>[    7.624142] IPv4 over IPsec tunneling driver

  760 10:20:59.747179  <6>[    7.633259] NET: Registered protocol family 10

  761 10:20:59.787298  <6>[    7.643427] Segment Routing with IPv6

  762 10:20:59.787839  <6>[    7.653056] NET: Registered protocol family 17

  763 10:20:59.788191  <5>[    7.659921] Key type dns_resolver registered

  764 10:20:59.803236  <6>[    7.676560] ThumbEE CPU extension supported.

  765 10:20:59.803775  <5>[    7.681244] Registering SWP/SWPB emulation handler

  766 10:20:59.804125  <5>[    7.687940] Loading compiled-in X.509 certificates

  767 10:20:59.844009  <6>[    7.718850] mmc2: new high speed SDHC card at address 0001

  768 10:20:59.844549  <6>[    7.729136] mmcblk2: mmc2:0001 SD 14.8 GiB 

  769 10:20:59.895959  <4>[    7.754039] GPT:Primary header thinks Alt. header is not at the end of the disk.

  770 10:20:59.896510  <4>[    7.761973] GPT:29296874 != 30965759

  771 10:20:59.896862  <4>[    7.765846] GPT:Alternate GPT header not at the end of the disk.

  772 10:20:59.897187  <4>[    7.772201] GPT:29296874 != 30965759

  773 10:20:59.897494  <4>[    7.776067] GPT: Use GNU Parted to correct GPT errors.

  774 10:20:59.897801  <6>[    7.781660]  mmcblk2: p1 p2 p3

  775 10:21:00.028532  <4>[    7.883444] panel-simple panel-lcd: supply power not found, using dummy regulator

  776 10:21:00.029077  <4>[    7.892363] panel-simple panel-lcd: Specify missing connector_type

  777 10:21:00.029429  <4>[    7.906740] panel-simple panel-lvds0: supply power not found, using dummy regulator

  778 10:21:00.084440  <4>[    7.945918] imx_usb 2184200.usb: No over current polarity defined

  779 10:21:00.084978  <6>[    7.959841] ci_hdrc ci_hdrc.1: EHCI Host Controller

  780 10:21:00.085327  <6>[    7.965370] ci_hdrc ci_hdrc.1: new USB bus registered, assigned bus number 1

  781 10:21:00.116237  <6>[    8.000002] ci_hdrc ci_hdrc.1: USB 2.0 started, EHCI 1.00

  782 10:21:00.138147  <6>[    8.018458] hub 1-0:1.0: USB hub found

  783 10:21:00.138541  <6>[    8.023101] hub 1-0:1.0: 1 port detected

  784 10:21:00.174706  <3>[    8.038564] imx_thermal 20c8000.anatop:tempmon: invalid sensor calibration data

  785 10:21:00.174795  <3>[    8.046179] imx_thermal 20c8000.anatop:tempmon: error -EINVAL: failed to init from nvmem

  786 10:21:00.174866  <4>[    8.054701] imx_thermal: probe of 20c8000.anatop:tempmon failed with error -22

  787 10:21:00.227941  <4>[    8.084198] panel-simple panel-lcd: supply power not found, using dummy regulator

  788 10:21:00.228313  <4>[    8.092886] panel-simple panel-lcd: Specify missing connector_type

  789 10:21:00.228609  <4>[    8.107098] panel-simple panel-lvds0: supply power not found, using dummy regulator

  790 10:21:00.283903  <4>[    8.140464] panel-simple panel-lcd: supply power not found, using dummy regulator

  791 10:21:00.284273  <4>[    8.149082] panel-simple panel-lcd: Specify missing connector_type

  792 10:21:00.284567  <4>[    8.163201] panel-simple panel-lvds0: supply power not found, using dummy regulator

  793 10:21:00.299935  <6>[    8.182297] input: gpio-keys as /devices/platform/gpio-keys/input/input0

  794 10:21:00.356915  <4>[    8.214258] panel-simple panel-lcd: supply power not found, using dummy regulator

  795 10:21:00.357425  <4>[    8.222949] panel-simple panel-lcd: Specify missing connector_type

  796 10:21:00.357752  <4>[    8.237320] panel-simple panel-lvds0: supply power not found, using dummy regulator

  797 10:21:00.385771  <6>[    8.260737] Micrel KSZ9021 Gigabit PHY 2188000.ethernet-1:06: attached PHY driver [Micrel KSZ9021 Gigabit PHY] (mii_bus:phy_addr=2188000.ethernet-1:06, irq=POLL)

  798 10:21:00.557585  <6>[    8.437707] usb 1-1: new high-speed USB device number 2 using ci_hdrc

  799 10:21:00.749559  <6>[    8.645864] hub 1-1:1.0: USB hub found

  800 10:21:00.765660  <6>[    8.651775] hub 1-1:1.0: 3 ports detected

  801 10:21:00.821627  <4>[    8.681935] panel-simple panel-lcd: supply power not found, using dummy regulator

  802 10:21:00.822166  <4>[    8.690563] panel-simple panel-lcd: Specify missing connector_type

  803 10:21:00.822513  <4>[    8.704924] panel-simple panel-lvds0: supply power not found, using dummy regulator

  804 10:21:02.525811  <6>[   10.399214] fec 2188000.ethernet eth0: Link is Up - 100Mbps/Full - flow control off

  805 10:21:02.526352  <6>[   10.408130] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready

  806 10:21:02.620133  <5>[   10.437378] Sending DHCP requests ., OK

  807 10:21:02.620665  <6>[   10.481924] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.13

  808 10:21:02.621020  <6>[   10.490339] IP-Config: Complete:

  809 10:21:02.621345  <6>[   10.493863]      device=eth0, hwaddr=00:19:b8:00:e5:47, ipaddr=192.168.201.13, mask=255.255.255.0, gw=192.168.201.1

  810 10:21:02.621660  <6>[   10.504638]      host=imx6q-sabrelite-lava-cbg-2, domain=lava-rack, nis-domain=(none)

  811 10:21:02.621966  <6>[   10.512840]      bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath=

  812 10:21:02.635310  <6>[   10.512860]      nameserver0=192.168.201.1

  813 10:21:02.699230  <6>[   10.581413] Freeing unused kernel memory: 2048K

  814 10:21:02.715220  <6>[   10.609263] Run /init as init process

  815 10:21:02.794990  Loading, please wait...

  816 10:21:02.938639  Starting version 247.3-7+deb11u2

  817 10:21:07.172005  <6>[   15.060917] imx-ipuv3 2400000.ipu: IPUv3H probed

  818 10:21:07.219470  <4>[   15.092640] panel-simple panel-lcd: supply power not found, using dummy regulator

  819 10:21:07.219624  <4>[   15.102645] panel-simple panel-lcd: Specify missing connector_type

  820 10:21:07.255638  <6>[   15.121163] imx-ipuv3 2800000.ipu: IPUv3H probed

  821 10:21:07.255846  <4>[   15.135789] panel-simple panel-lvds0: supply power not found, using dummy regulator

  822 10:21:07.325440  <4>[   15.176157] panel-simple panel-lcd: supply power not found, using dummy regulator

  823 10:21:07.325943  <4>[   15.188992] panel-simple panel-lcd: Specify missing connector_type

  824 10:21:07.326266  <4>[   15.203861] panel-simple panel-lvds0: supply power not found, using dummy regulator

  825 10:21:07.394701  <6>[   15.245516] CAN device driver interface

  826 10:21:07.395210  <4>[   15.253710] panel-simple panel-lcd: supply power not found, using dummy regulator

  827 10:21:07.395536  <4>[   15.262463] panel-simple panel-lcd: Specify missing connector_type

  828 10:21:07.395833  <4>[   15.277010] panel-simple panel-lvds0: supply power not found, using dummy regulator

  829 10:21:07.437610  <4>[   15.311147] panel-simple panel-lcd: supply power not found, using dummy regulator

  830 10:21:07.438118  <4>[   15.319864] panel-simple panel-lcd: Specify missing connector_type

  831 10:21:07.462495  <6>[   15.342428] etnaviv etnaviv: bound 130000.gpu (ops gpu_ops [etnaviv])

  832 10:21:07.485204  <6>[   15.365693] etnaviv etnaviv: bound 134000.gpu (ops gpu_ops [etnaviv])

  833 10:21:07.523534  <6>[   15.388437] etnaviv etnaviv: bound 2204000.gpu (ops gpu_ops [etnaviv])

  834 10:21:07.524050  <6>[   15.395326] etnaviv-gpu 130000.gpu: model: GC2000, revision: 5108

  835 10:21:07.524377  <6>[   15.406568] etnaviv-gpu 134000.gpu: model: GC320, revision: 5007

  836 10:21:07.573368  <6>[   15.422794] etnaviv-gpu 2204000.gpu: model: GC355, revision: 1215

  837 10:21:07.573879  <6>[   15.429315] etnaviv-gpu 2204000.gpu: Ignoring GPU with VG and FE2.0

  838 10:21:07.574202  <6>[   15.435712] caam 2100000.crypto: Entropy delay = 3200

  839 10:21:07.574502  <6>[   15.441974] [drm] Initialized etnaviv 1.3.0 20151214 for etnaviv on minor 1

  840 10:21:07.574823  <4>[   15.455619] panel-simple panel-lvds0: supply power not found, using dummy regulator

  841 10:21:07.620989  <6>[   15.502151] caam 2100000.crypto: Instantiated RNG4 SH0

  842 10:21:07.689971  <4>[   15.539413] panel-simple panel-lcd: supply power not found, using dummy regulator

  843 10:21:07.690459  <4>[   15.548325] panel-simple panel-lcd: Specify missing connector_type

  844 10:21:07.690807  <6>[   15.562912] caam 2100000.crypto: Instantiated RNG4 SH1

  845 10:21:07.691089  <6>[   15.568442] caam 2100000.crypto: device ID = 0x0a16010000000000 (Era 4)

  846 10:21:07.691357  <6>[   15.575357] caam 2100000.crypto: job rings = 2, qi = 0

  847 10:21:07.721781  <4>[   15.602295] panel-simple panel-lvds0: supply power not found, using dummy regulator

  848 10:21:07.772775  <6>[   15.622447] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm])

  849 10:21:07.773251  <6>[   15.631727] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm])

  850 10:21:07.773556  <6>[   15.641589] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm])

  851 10:21:07.773837  <6>[   15.651201] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm])

  852 10:21:07.833599  <4>[   15.672284] panel-simple panel-lcd: supply power not found, using dummy regulator

  853 10:21:07.833938  <4>[   15.681376] panel-simple panel-lcd: Specify missing connector_type

  854 10:21:07.834211  <4>[   15.698096] usb_phy_generic usbphynop1: supply vcc not found, using dummy regulator

  855 10:21:07.834467  <4>[   15.707093] usb_phy_generic usbphynop1: dummy supplies not allowed for exclusive requests

  856 10:21:07.834734  <4>[   15.716346] usb_phy_generic usbphynop2: supply vcc not found, using dummy regulator

  857 10:21:07.854444  <4>[   15.734239] usb_phy_generic usbphynop2: dummy supplies not allowed for exclusive requests

  858 10:21:07.886649  <6>[   15.769693] sgtl5000 0-000a: sgtl5000 revision 0x11

  859 10:21:07.912614  <6>[   15.786692] sgtl5000 0-000a: Using internal LDO instead of VDDD: check ER1 erratum

  860 10:21:07.913106  <4>[   15.789837] panel-simple panel-lvds0: supply power not found, using dummy regulator

  861 10:21:07.961479  <4>[   15.835482] panel-simple panel-lcd: supply power not found, using dummy regulator

  862 10:21:07.961986  <4>[   15.844896] panel-simple panel-lcd: Specify missing connector_type

  863 10:21:08.069542  <6>[   15.923637] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm])

  864 10:21:08.070052  <6>[   15.932735] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm])

  865 10:21:08.070379  <6>[   15.941711] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm])

  866 10:21:08.070708  <6>[   15.950509] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm])

  867 10:21:08.122253  <4>[   16.000343] panel-simple panel-lvds0: supply power not found, using dummy regulator

  868 10:21:08.253229  <4>[   16.126384] panel-simple panel-lcd: supply power not found, using dummy regulator

  869 10:21:08.253771  <4>[   16.135696] panel-simple panel-lcd: Specify missing connector_type

  870 10:21:08.335006  <6>[   16.187813] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm])

  871 10:21:08.335547  <6>[   16.196548] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm])

  872 10:21:08.335901  <6>[   16.205515] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm])

  873 10:21:08.336225  <6>[   16.214324] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm])

  874 10:21:08.861355  <6>[   16.741227] caam algorithms registered in /proc/crypto

  875 10:21:08.861894  <6>[   16.753323] caam 2100000.crypto: registering rng-caam

  876 10:21:08.989076  <5>[   16.882398] random: crng init done

  877 10:21:09.013109  <4>[   16.893661] panel-simple panel-lvds0: supply power not found, using dummy regulator

  878 10:21:09.055975  <4>[   16.927689] panel-simple panel-lcd: supply power not found, using dummy regulator

  879 10:21:09.056515  <4>[   16.936355] panel-simple panel-lcd: Specify missing connector_type

  880 10:21:09.104934  <6>[   16.957717] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm])

  881 10:21:09.105477  <6>[   16.966455] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm])

  882 10:21:09.105828  <6>[   16.975373] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm])

  883 10:21:09.106152  <6>[   16.984118] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm])

  884 10:21:09.125820  <4>[   17.004125] panel-simple panel-lvds0: supply power not found, using dummy regulator

  885 10:21:09.163549  <4>[   17.037961] panel-simple panel-lcd: supply power not found, using dummy regulator

  886 10:21:09.164093  <4>[   17.046634] panel-simple panel-lcd: Specify missing connector_type

  887 10:21:09.217862  <6>[   17.066530] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm])

  888 10:21:09.218401  <6>[   17.075360] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm])

  889 10:21:09.218786  <6>[   17.084244] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm])

  890 10:21:09.219112  <6>[   17.092970] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm])

  891 10:21:09.219421  Begin: Loading essential drivers ... done.

  892 10:21:09.219720  Begin: Running /scripts/init-premount ... done.

  893 10:21:09.244146  Begin: Mounting root file system ... Begin: Running /scripts/nfs-top ... done.

  894 10:21:09.244542  Begin: Running /scripts/nfs-premount ... Waiting up to 60 secs for any ethernet to become available

  895 10:21:09.276103  Device /sys/class/net/eth0 found

  896 10:21:09.276605  done.

  897 10:21:09.569087  IP-Config: eth0 hardware address 00:19:b8:00:e5:47 mtu 1500 DHCP

  898 10:21:09.569619  IP-Config: eth0 complete (dhcp from 192.168.201.1):

  899 10:21:09.569972   address: 192.168.201.13   broadcast: 192.168.201.255  netmask: 255.255.255.0   

  900 10:21:09.570297   gateway: 192.168.201.1    dns0     : 192.168.201.1    dns1   : 0.0.0.0         

  901 10:21:09.570634   host   : imx6q-sabrelite-lava-cbg-2                                      

  902 10:21:09.570945   domain : lava-rack                                                       

  903 10:21:09.571243   rootserver: 192.168.201.1 rootpath: 

  904 10:21:09.571535   filename  : 

  905 10:21:09.648621  done.

  906 10:21:09.669698  Begin: Running /scripts/nfs-bottom ... done.

  907 10:21:09.749778  Begin: Running /scripts/init-bottom ... done.

  908 10:21:11.427267  <30>[   19.309425] systemd[1]: System time before build time, advancing clock.

  909 10:21:11.704217  <30>[   19.567415] 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)

  910 10:21:11.719799  <30>[   19.601213] systemd[1]: Detected architecture arm.

  911 10:21:11.736125  

  912 10:21:11.736641  Welcome to Debian GNU/Linux 11 (bullseye)!

  913 10:21:11.736991  

  914 10:21:11.793939  <30>[   19.674753] systemd[1]: Set hostname to <debian-bullseye-armhf>.

  915 10:21:13.653384  <30>[   21.511464] systemd[1]: Queued start job for default target Graphical Interface.

  916 10:21:13.653917  <30>[   21.526403] systemd[1]: Created slice system-getty.slice.

  917 10:21:13.654260  [  OK  ] Created slice system-getty.slice.

  918 10:21:13.703017  <30>[   21.573135] systemd[1]: Created slice system-modprobe.slice.

  919 10:21:13.703242  [  OK  ] Created slice system-modprobe.slice.

  920 10:21:13.754096  <30>[   21.623199] systemd[1]: Created slice system-serial\x2dgetty.slice.

  921 10:21:13.754648  [  OK  ] Created slice system-serial\x2dgetty.slice.

  922 10:21:13.803122  <30>[   21.672483] systemd[1]: Created slice User and Session Slice.

  923 10:21:13.803657  [  OK  ] Created slice User and Session Slice.

  924 10:21:13.857919  <30>[   21.722256] systemd[1]: Started Dispatch Password Requests to Console Directory Watch.

  925 10:21:13.858458  [  OK  ] Started Dispatch Password …ts to Console Directory Watch.

  926 10:21:13.904810  <30>[   21.771391] systemd[1]: Started Forward Password Requests to Wall Directory Watch.

  927 10:21:13.905341  [  OK  ] Started Forward Password R…uests to Wall Directory Watch.

  928 10:21:13.961910  <30>[   21.819700] systemd[1]: Condition check resulted in Arbitrary Executable File Formats File System Automount Point being skipped.

  929 10:21:13.962447  <30>[   21.832852] systemd[1]: Reached target Local Encrypted Volumes.

  930 10:21:13.962827  [  OK  ] Reached target Local Encrypted Volumes.

  931 10:21:13.992824  <30>[   21.868851] systemd[1]: Reached target Paths.

  932 10:21:13.993369  [  OK  ] Reached target Paths.

  933 10:21:14.031741  <30>[   21.907791] systemd[1]: Reached target Remote File Systems.

  934 10:21:14.032266  [  OK  ] Reached target Remote File Systems.

  935 10:21:14.074736  <30>[   21.948270] systemd[1]: Reached target Slices.

  936 10:21:14.075267  [  OK  ] Reached target Slices.

  937 10:21:14.116508  <30>[   21.989207] systemd[1]: Reached target Swap.

  938 10:21:14.117038  [  OK  ] Reached target Swap.

  939 10:21:14.163517  <30>[   22.032332] systemd[1]: Listening on initctl Compatibility Named Pipe.

  940 10:21:14.164049  [  OK  ] Listening on initctl Compatibility Named Pipe.

  941 10:21:14.255383  <30>[   22.136090] systemd[1]: Condition check resulted in Journal Audit Socket being skipped.

  942 10:21:14.281457  <30>[   22.154394] systemd[1]: Listening on Journal Socket (/dev/log).

  943 10:21:14.281988  [  OK  ] Listening on Journal Socket (/dev/log).

  944 10:21:14.339283  <30>[   22.213914] systemd[1]: Listening on Journal Socket.

  945 10:21:14.339809  [  OK  ] Listening on Journal Socket.

  946 10:21:14.394277  <30>[   22.263471] systemd[1]: Listening on Network Service Netlink Socket.

  947 10:21:14.394831  [  OK  ] Listening on Network Service Netlink Socket.

  948 10:21:14.451124  <30>[   22.319618] systemd[1]: Listening on udev Control Socket.

  949 10:21:14.451655  [  OK  ] Listening on udev Control Socket.

  950 10:21:14.491739  <30>[   22.362096] systemd[1]: Listening on udev Kernel Socket.

  951 10:21:14.492266  [  OK  ] Listening on udev Kernel Socket.

  952 10:21:14.543405  <30>[   22.411510] systemd[1]: Condition check resulted in Huge Pages File System being skipped.

  953 10:21:14.543586  <30>[   22.422190] systemd[1]: Condition check resulted in POSIX Message Queue File System being skipped.

  954 10:21:14.567408  <30>[   22.444077] systemd[1]: Mounting Kernel Debug File System...

  955 10:21:14.567661           Mounting Kernel Debug File System...

  956 10:21:14.623480  <30>[   22.497568] systemd[1]: Mounting Kernel Trace File System...

  957 10:21:14.624036           Mounting Kernel Trace File System...

  958 10:21:14.694312  <30>[   22.566018] systemd[1]: Starting Create list of static device nodes for the current kernel...

  959 10:21:14.694739           Starting Create list of st…odes for the current kernel...

  960 10:21:14.759269  <30>[   22.631405] systemd[1]: Starting Load Kernel Module configfs...

  961 10:21:14.759766           Starting Load Kernel Module configfs...

  962 10:21:14.815431  <30>[   22.688484] systemd[1]: Starting Load Kernel Module drm...

  963 10:21:14.815926           Starting Load Kernel Module drm...

  964 10:21:14.878334  <30>[   22.748986] systemd[1]: Starting Load Kernel Module fuse...

  965 10:21:14.878892           Starting Load Kernel Module fuse...

  966 10:21:14.916119  <30>[   22.796944] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped.

  967 10:21:14.954407  <30>[   22.830000] systemd[1]: Starting Journal Service...

  968 10:21:14.954965  <6>[   22.836277] fuse: init (API version 7.32)

  969 10:21:14.955314           Starting Journal Service...

  970 10:21:15.023924  <30>[   22.905112] systemd[1]: Starting Load Kernel Modules...

  971 10:21:15.024512           Starting Load Kernel Modules...

  972 10:21:15.080828  <30>[   22.953305] systemd[1]: Starting Remount Root and Kernel File Systems...

  973 10:21:15.081334           Starting Remount Root and Kernel File Systems...

  974 10:21:15.128732  <30>[   23.012991] systemd[1]: Starting Coldplug All udev Devices...

  975 10:21:15.144950           Starting Coldplug All udev Devices...

  976 10:21:15.216564  <30>[   23.089986] systemd[1]: Mounted Kernel Debug File System.

  977 10:21:15.217049  [  OK  ] Mounted Kernel Debug File System.

  978 10:21:15.268795  <30>[   23.140751] systemd[1]: Mounted Kernel Trace File System.

  979 10:21:15.269416  [  OK  ] Mounted Kernel Trace File System.

  980 10:21:15.329758  <30>[   23.197590] systemd[1]: Finished Create list of static device nodes for the current kernel.

  981 10:21:15.330294  [  OK  ] Finished Create list of st… nodes for the current kernel.

  982 10:21:15.427529  <30>[   23.291416] systemd[1]: modprobe@configfs.service: Succeeded.

  983 10:21:15.428057  <30>[   23.302688] systemd[1]: Finished Load Kernel Module configfs.

  984 10:21:15.428404  [  OK  ] Finished Load Kernel Module configfs.

  985 10:21:15.492521  <30>[   23.354550] systemd[1]: modprobe@drm.service: Succeeded.

  986 10:21:15.493053  <30>[   23.365279] systemd[1]: Finished Load Kernel Module drm.

  987 10:21:15.493400  [  OK  ] Finished Load Kernel Module drm.

  988 10:21:15.558498  <30>[   23.424313] systemd[1]: modprobe@fuse.service: Succeeded.

  989 10:21:15.559056  <30>[   23.435251] systemd[1]: Finished Load Kernel Module fuse.

  990 10:21:15.559404  [  OK  ] Finished Load Kernel Module fuse.

  991 10:21:15.622310  <30>[   23.493640] systemd[1]: Finished Load Kernel Modules.

  992 10:21:15.622869  [  OK  ] Finished Load Kernel Modules.

  993 10:21:15.661230  <30>[   23.533547] systemd[1]: Finished Remount Root and Kernel File Systems.

  994 10:21:15.661765  [  OK  ] Finished Remount Root and Kernel File Systems.

  995 10:21:15.729066  <30>[   23.600927] systemd[1]: Mounting FUSE Control File System...

  996 10:21:15.729595           Mounting FUSE Control File System...

  997 10:21:15.786040  <30>[   23.658374] systemd[1]: Mounting Kernel Configuration File System...

  998 10:21:15.786674           Mounting Kernel Configuration File System...

  999 10:21:15.851051  <30>[   23.717737] systemd[1]: Condition check resulted in Rebuild Hardware Database being skipped.

 1000 10:21:15.851605  <30>[   23.728158] systemd[1]: Condition check resulted in Platform Persistent Storage Archival being skipped.

 1001 10:21:15.874720  <30>[   23.748132] systemd[1]: Starting Load/Save Random Seed...

 1002 10:21:15.875249           Starting Load/Save Random Seed...

 1003 10:21:15.935712  <30>[   23.808396] systemd[1]: Starting Apply Kernel Variables...

 1004 10:21:15.936248           Starting Apply Kernel Variables...

 1005 10:21:15.988470  <30>[   23.869522] systemd[1]: Starting Create System Users...

 1006 10:21:15.989162           Starting Create System Users...

 1007 10:21:16.049614  <30>[   23.926070] systemd[1]: Started Journal Service.

 1008 10:21:16.050155  [  OK  ] Started Journal Service.

 1009 10:21:16.113510  [  OK  ] Mounted FUSE Control File System.

 1010 10:21:16.154334  [  OK  ] Mounted Kernel Configuration File System.

 1011 10:21:16.200421  [  OK  ] Finished Load/Save Random Seed.

 1012 10:21:16.248291  [  OK  ] Finished Apply Kernel Variables.

 1013 10:21:16.305399  [  OK  ] Finished Create System Users.

 1014 10:21:16.369130           Starting Flush Journal to Persistent Storage...

 1015 10:21:16.425976           Starting Create Static Device Nodes in /dev...

 1016 10:21:16.505867  <46>[   24.386291] systemd-journald[280]: Received client request to flush runtime journal.

 1017 10:21:16.673559  [  OK  ] Finished Create Static Device Nodes in /dev.

 1018 10:21:16.720515  [  OK  ] Reached target Local File Systems (Pre).

 1019 10:21:16.759046  [  OK  ] Reached target Local File Systems.

 1020 10:21:16.822907           Starting Rule-based Manage…for Device Events and Files...

 1021 10:21:18.313925  [  OK  ] Finished Flush Journal to Persistent Storage.

 1022 10:21:18.362148           Starting Create Volatile Files and Directories...

 1023 10:21:18.425991  [  OK  ] Started Rule-based Manager for Device Events and Files.

 1024 10:21:18.506023           Starting Network Service...

 1025 10:21:19.570201  [  OK  ] Finished Create Volatile Files and Directories.

 1026 10:21:19.673233           Starting Network Time Synchronization...

 1027 10:21:19.721226           Starting Update UTMP about System Boot/Shutdown...

 1028 10:21:19.880431  [  OK  ] Started Network Service.

 1029 10:21:19.944768           Starting Network Name Resolution...

 1030 10:21:20.125371  [  OK  ] Finished Update UTMP about System Boot/Shutdown.

 1031 10:21:21.323239  [  OK  ] Started Network Time Synchronization.

 1032 10:21:21.363107  [  OK  ] Reached target System Time Set.

 1033 10:21:21.399490  [  OK  ] Reached target System Time Synchronized.

 1034 10:21:21.431544  [  OK  ] Started Network Name Resolution.

 1035 10:21:21.447745  [  OK  ] Reached target Network.

 1036 10:21:21.490035  [  OK  ] Reached target Host and Network Name Lookups.

 1037 10:21:22.718581  [  OK  ] Finished Coldplug All udev Devices.

 1038 10:21:22.750485  [  OK  ] Reached target System Initialization.

 1039 10:21:22.964286  [  OK  ] Started Daily apt download activities.

 1040 10:21:22.996237  [  OK  ] Started Daily apt upgrade and clean activities.

 1041 10:21:23.056696  [  OK  ] Started Periodic ext4 Onli…ata Check for All Filesystems.

 1042 10:21:23.088648  [  OK  ] Started Discard unused blocks once a week.

 1043 10:21:23.109393  [  OK  ] Started Daily Cleanup of Temporary Directories.

 1044 10:21:23.125632  [  OK  ] Reached target Timers.

 1045 10:21:23.179466  [  OK  ] Listening on D-Bus System Message Bus Socket.

 1046 10:21:23.195499  [  OK  ] Reached target Sockets.

 1047 10:21:23.239349  [  OK  ] Reached target Basic System.

 1048 10:21:23.286422  [  OK  ] Started D-Bus System Message Bus.

 1049 10:21:23.371816           Starting Remove Stale Onli…t4 Metadata Check Snapshots...

 1050 10:21:23.610735           Starting User Login Management...

 1051 10:21:23.690988           Starting Permit User Sessions...

 1052 10:21:23.994313  [  OK  ] Found device /dev/ttymxc1.

 1053 10:21:24.049391  [  OK  ] Finished Permit User Sessions.

 1054 10:21:25.007129  [  OK  ] Started User Login Management.

 1055 10:21:25.043927  [  OK  ] Reached target Hardware activated USB gadget.

 1056 10:21:25.088804  [  OK  ] Listening on Load/Save RF …itch Status /dev/rfkill Watch.

 1057 10:21:25.152246  [  OK  ] Started Getty on tty1.

 1058 10:21:25.254662  [  OK  ] Started Serial Getty on ttymxc1.

 1059 10:21:25.255190  [  OK  ] Reached target Login Prompts.

 1060 10:21:25.286551  [  OK  ] Reached target Multi-User System.

 1061 10:21:25.434741  [  OK  ] Finished Remove Stale Onli…ext4 Metadata Check Snapshots.

 1062 10:21:27.749786  [  OK  ] Reached target Graphical Interface.

 1063 10:21:27.810237           Starting Update UTMP about System Runlevel Changes...

 1064 10:21:27.999106  [  OK  ] Finished Update UTMP about System Runlevel Changes.

 1065 10:21:28.119562  

 1066 10:21:28.120030  

 1067 10:21:28.120322  Debian GNU/Linux 11 debian-bullseye-armhf ttymxc1

 1068 10:21:28.120589  

 1069 10:21:28.120842  debian-bullseye-armhf login: root (automatic login)

 1070 10:21:28.121125  

 1071 10:21:28.121389  

 1072 10:21:28.813039  Linux debian-bullseye-armhf 5.10.182-cip34 #1 SMP Mon Jun 5 10:08:49 UTC 2023 armv7l

 1073 10:21:28.813531  

 1074 10:21:28.813908  The programs included with the Debian GNU/Linux system are free software;

 1075 10:21:28.814204  the exact distribution terms for each program are described in the

 1076 10:21:28.814482  individual files in /usr/share/doc/*/copyright.

 1077 10:21:28.814786  

 1078 10:21:28.815052  Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent

 1079 10:21:28.815319  permitted by applicable law.

 1080 10:21:34.384896  Matched prompt #10: / #
 1082 10:21:34.385949  Setting prompt string to ['/ #']
 1083 10:21:34.386348  end: 2.4.4.1 login-action (duration 00:00:43) [common]
 1085 10:21:34.387252  end: 2.4.4 auto-login-action (duration 00:00:44) [common]
 1086 10:21:34.387643  start: 2.4.5 expect-shell-connection (timeout 00:03:16) [common]
 1087 10:21:34.387964  Setting prompt string to ['/ #']
 1088 10:21:34.388238  Forcing a shell prompt, looking for ['/ #']
 1090 10:21:34.439000  / # 

 1091 10:21:34.439568  expect-shell-connection: Wait for prompt ['/ #'] (timeout 00:05:00)
 1092 10:21:34.439959  Waiting using forced prompt support (timeout 00:02:30)
 1093 10:21:34.448040  

 1094 10:21:34.464444  end: 2.4.5 expect-shell-connection (duration 00:00:00) [common]
 1095 10:21:34.465043  start: 2.4.6 export-device-env (timeout 00:03:16) [common]
 1096 10:21:34.465466  Sending with 10 millisecond of delay
 1098 10:21:39.622103  / # export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/10590651/extract-nfsrootfs-4kmfd9k3'

 1099 10:21:39.636226  export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/10590651/extract-nfsrootfs-4kmfd9k3'

 1100 10:21:39.637030  Sending with 10 millisecond of delay
 1102 10:21:41.876225  / # export NFS_SERVER_IP='192.168.201.1'

 1103 10:21:41.887148  export NFS_SERVER_IP='192.168.201.1'

 1104 10:21:41.903522  end: 2.4.6 export-device-env (duration 00:00:07) [common]
 1105 10:21:41.904124  end: 2.4 uboot-commands (duration 00:01:51) [common]
 1106 10:21:41.904606  end: 2 uboot-action (duration 00:01:51) [common]
 1107 10:21:41.905064  start: 3 lava-test-retry (timeout 00:07:39) [common]
 1108 10:21:41.905514  start: 3.1 lava-test-shell (timeout 00:07:39) [common]
 1109 10:21:41.905881  Using namespace: common
 1111 10:21:42.007460  / # #

 1112 10:21:42.008059  lava-test-shell: Wait for prompt ['/ #'] (timeout 00:10:00)
 1113 10:21:42.014738  #

 1114 10:21:42.031124  Using /lava-10590651
 1116 10:21:42.132882  / # export SHELL=/bin/bash

 1117 10:21:42.142550  export SHELL=/bin/bash

 1119 10:21:42.260218  / # . /lava-10590651/environment

 1120 10:21:42.270065  . /lava-10590651/environment

 1122 10:21:42.387836  / # /lava-10590651/bin/lava-test-runner /lava-10590651/0

 1123 10:21:42.388425  Test shell timeout: 10s (minimum of the action and connection timeout)
 1124 10:21:42.397738  /lava-10590651/bin/lava-test-runner /lava-10590651/0

 1125 10:21:43.140001  + export TESTRUN_ID=0_timesync-off

 1126 10:21:43.140494  + TESTRUN_ID=0_timesync-off

 1127 10:21:43.140809  + cd /lava-10590651/0/tests/0_timesync-off

 1128 10:21:43.141186  ++ cat uuid

 1129 10:21:43.189839  + UUID=10590651_1.6.2.4.1

 1130 10:21:43.190334  + set +x

 1131 10:21:43.190673  <LAVA_SIGNAL_STARTRUN 0_timesync-off 10590651_1.6.2.4.1>

 1132 10:21:43.190963  + systemctl stop systemd-timesyncd

 1133 10:21:43.191496  Received signal: <STARTRUN> 0_timesync-off 10590651_1.6.2.4.1
 1134 10:21:43.191797  Starting test lava.0_timesync-off (10590651_1.6.2.4.1)
 1135 10:21:43.192157  Skipping test definition patterns.
 1136 10:21:43.359380  + set +x

 1137 10:21:43.359851  <LAVA_SIGNAL_ENDRUN 0_timesync-off 10590651_1.6.2.4.1>

 1138 10:21:43.360433  Received signal: <ENDRUN> 0_timesync-off 10590651_1.6.2.4.1
 1139 10:21:43.360858  Ending use of test pattern.
 1140 10:21:43.361146  Ending test lava.0_timesync-off (10590651_1.6.2.4.1), duration 0.17
 1142 10:21:43.615696  + export TESTRUN_ID=1_kselftest-lkdtm

 1143 10:21:43.616238  + TESTRUN_ID=1_kselftest-lkdtm

 1144 10:21:43.616547  + cd /lava-10590651/0/tests/1_kselftest-lkdtm

 1145 10:21:43.616869  ++ cat uuid

 1146 10:21:43.686793  + UUID=10590651_1.6.2.4.5

 1147 10:21:43.687359  + set +x

 1148 10:21:43.687680  <LAVA_SIGNAL_STARTRUN 1_kselftest-lkdtm 10590651_1.6.2.4.5>

 1149 10:21:43.687968  + cd ./automated/linux/kselftest/

 1150 10:21:43.688251  + ./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/v5.10.180-cip34-236-g6d219c607dc68/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

 1151 10:21:43.688808  Received signal: <STARTRUN> 1_kselftest-lkdtm 10590651_1.6.2.4.5
 1152 10:21:43.689108  Starting test lava.1_kselftest-lkdtm (10590651_1.6.2.4.5)
 1153 10:21:43.689460  Skipping test definition patterns.
 1154 10:21:43.926018  INFO: install_deps skipped

 1155 10:21:44.135608  --2023-06-05 10:21:44--  http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.180-cip34-236-g6d219c607dc68/arm/multi_v7_defconfig+kselftest/gcc-10/kselftest.tar.xz

 1156 10:21:44.160755  Resolving storage.kernelci.org (storage.kernelci.org)... 52.250.1.28

 1157 10:21:44.288477  Connecting to storage.kernelci.org (storage.kernelci.org)|52.250.1.28|:80... connected.

 1158 10:21:44.460036  HTTP request sent, awaiting response... 200 OK

 1159 10:21:44.460557  Length: 1409280 (1.3M) [application/octet-stream]

 1160 10:21:44.460888  Saving to: 'kselftest.tar.xz'

 1161 10:21:44.461192  

 1162 10:21:44.461482  

 1163 10:21:44.731458  kselftest.tar.xz      0%[                    ]       0  --.-KB/s               

 1164 10:21:45.039684  kselftest.tar.xz      3%[                    ]  43.57K   151KB/s               

 1165 10:21:45.476864  kselftest.tar.xz     15%[==>                 ] 218.91K   377KB/s               

 1166 10:21:45.604603  kselftest.tar.xz     62%[===========>        ] 858.07K   844KB/s               

 1167 10:21:45.620104  kselftest.tar.xz    100%[===================>]   1.34M  1.15MB/s    in 1.2s    

 1168 10:21:45.620518  

 1169 10:21:45.763554  2023-06-05 10:21:45 (1.15 MB/s) - 'kselftest.tar.xz' saved [1409280/1409280]

 1170 10:21:45.763753  

 1171 10:21:52.356767  skiplist:

 1172 10:21:52.372974  ========================================

 1173 10:21:52.373452  ========================================

 1174 10:21:52.544416  lkdtm:PANIC.sh

 1175 10:21:52.544923  lkdtm:BUG.sh

 1176 10:21:52.545248  lkdtm:WARNING.sh

 1177 10:21:52.545551  lkdtm:WARNING_MESSAGE.sh

 1178 10:21:52.545841  lkdtm:EXCEPTION.sh

 1179 10:21:52.546121  lkdtm:LOOP.sh

 1180 10:21:52.546398  lkdtm:EXHAUST_STACK.sh

 1181 10:21:52.546710  lkdtm:CORRUPT_STACK.sh

 1182 10:21:52.546992  lkdtm:CORRUPT_STACK_STRONG.sh

 1183 10:21:52.547265  lkdtm:CORRUPT_LIST_ADD.sh

 1184 10:21:52.547536  lkdtm:CORRUPT_LIST_DEL.sh

 1185 10:21:52.547812  lkdtm:STACK_GUARD_PAGE_LEADING.sh

 1186 10:21:52.548085  lkdtm:STACK_GUARD_PAGE_TRAILING.sh

 1187 10:21:52.548358  lkdtm:UNSET_SMEP.sh

 1188 10:21:52.548630  lkdtm:DOUBLE_FAULT.sh

 1189 10:21:52.548901  lkdtm:CORRUPT_PAC.sh

 1190 10:21:52.549172  lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh

 1191 10:21:52.549439  lkdtm:OVERWRITE_ALLOCATION.sh

 1192 10:21:52.549542  lkdtm:WRITE_AFTER_FREE.sh

 1193 10:21:52.587483  lkdtm:READ_AFTER_FREE.sh

 1194 10:21:52.587988  lkdtm:WRITE_BUDDY_AFTER_FREE.sh

 1195 10:21:52.588315  lkdtm:READ_BUDDY_AFTER_FREE.sh

 1196 10:21:52.588619  lkdtm:SLAB_FREE_DOUBLE.sh

 1197 10:21:52.588907  lkdtm:SLAB_FREE_CROSS.sh

 1198 10:21:52.589191  lkdtm:SLAB_FREE_PAGE.sh

 1199 10:21:52.589471  lkdtm:SOFTLOCKUP.sh

 1200 10:21:52.589749  lkdtm:HARDLOCKUP.sh

 1201 10:21:52.590024  lkdtm:SPINLOCKUP.sh

 1202 10:21:52.590297  lkdtm:HUNG_TASK.sh

 1203 10:21:52.590568  lkdtm:EXEC_DATA.sh

 1204 10:21:52.590882  lkdtm:EXEC_STACK.sh

 1205 10:21:52.591157  lkdtm:EXEC_KMALLOC.sh

 1206 10:21:52.591427  lkdtm:EXEC_VMALLOC.sh

 1207 10:21:52.591699  lkdtm:EXEC_RODATA.sh

 1208 10:21:52.591970  lkdtm:EXEC_USERSPACE.sh

 1209 10:21:52.592241  lkdtm:EXEC_NULL.sh

 1210 10:21:52.592511  lkdtm:ACCESS_USERSPACE.sh

 1211 10:21:52.592781  lkdtm:ACCESS_NULL.sh

 1212 10:21:52.593054  lkdtm:WRITE_RO.sh

 1213 10:21:52.593325  lkdtm:WRITE_RO_AFTER_INIT.sh

 1214 10:21:52.630481  lkdtm:WRITE_KERN.sh

 1215 10:21:52.631033  lkdtm:REFCOUNT_INC_OVERFLOW.sh

 1216 10:21:52.631359  lkdtm:REFCOUNT_ADD_OVERFLOW.sh

 1217 10:21:52.631661  lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh

 1218 10:21:52.631950  lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh

 1219 10:21:52.632235  lkdtm:REFCOUNT_DEC_ZERO.sh

 1220 10:21:52.632515  lkdtm:REFCOUNT_DEC_NEGATIVE.sh

 1221 10:21:52.632795  lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh

 1222 10:21:52.633069  lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh

 1223 10:21:52.633341  lkdtm:REFCOUNT_INC_ZERO.sh

 1224 10:21:52.633609  lkdtm:REFCOUNT_ADD_ZERO.sh

 1225 10:21:52.633879  lkdtm:REFCOUNT_INC_SATURATED.sh

 1226 10:21:52.634149  lkdtm:REFCOUNT_DEC_SATURATED.sh

 1227 10:21:52.634416  lkdtm:REFCOUNT_ADD_SATURATED.sh

 1228 10:21:52.634713  lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh

 1229 10:21:52.673361  lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh

 1230 10:21:52.673871  lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh

 1231 10:21:52.674201  lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh

 1232 10:21:52.674503  lkdtm:REFCOUNT_TIMING.sh

 1233 10:21:52.674839  lkdtm:ATOMIC_TIMING.sh

 1234 10:21:52.675130  lkdtm:USERCOPY_HEAP_SIZE_TO.sh

 1235 10:21:52.675413  lkdtm:USERCOPY_HEAP_SIZE_FROM.sh

 1236 10:21:52.675690  lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh

 1237 10:21:52.675967  lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh

 1238 10:21:52.676240  lkdtm:USERCOPY_STACK_FRAME_TO.sh

 1239 10:21:52.676514  lkdtm:USERCOPY_STACK_FRAME_FROM.sh

 1240 10:21:52.676786  lkdtm:USERCOPY_STACK_BEYOND.sh

 1241 10:21:52.677060  lkdtm:USERCOPY_KERNEL.sh

 1242 10:21:52.677327  lkdtm:STACKLEAK_ERASING.sh

 1243 10:21:52.716626  lkdtm:CFI_FORWARD_PROTO.sh

 1244 10:21:52.717131  ============== Tests to run ===============

 1245 10:21:52.717463  lkdtm:PANIC.sh

 1246 10:21:52.717764  lkdtm:BUG.sh

 1247 10:21:52.718054  lkdtm:WARNING.sh

 1248 10:21:52.718334  lkdtm:WARNING_MESSAGE.sh

 1249 10:21:52.718640  lkdtm:EXCEPTION.sh

 1250 10:21:52.718925  lkdtm:LOOP.sh

 1251 10:21:52.719202  lkdtm:EXHAUST_STACK.sh

 1252 10:21:52.719474  lkdtm:CORRUPT_STACK.sh

 1253 10:21:52.719745  lkdtm:CORRUPT_STACK_STRONG.sh

 1254 10:21:52.720014  lkdtm:CORRUPT_LIST_ADD.sh

 1255 10:21:52.720284  lkdtm:CORRUPT_LIST_DEL.sh

 1256 10:21:52.720553  lkdtm:STACK_GUARD_PAGE_LEADING.sh

 1257 10:21:52.720824  lkdtm:STACK_GUARD_PAGE_TRAILING.sh

 1258 10:21:52.721093  lkdtm:UNSET_SMEP.sh

 1259 10:21:52.721361  lkdtm:DOUBLE_FAULT.sh

 1260 10:21:52.721630  lkdtm:CORRUPT_PAC.sh

 1261 10:21:52.721899  lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh

 1262 10:21:52.722170  lkdtm:OVERWRITE_ALLOCATION.sh

 1263 10:21:52.759486  lkdtm:WRITE_AFTER_FREE.sh

 1264 10:21:52.759989  lkdtm:READ_AFTER_FREE.sh

 1265 10:21:52.760320  lkdtm:WRITE_BUDDY_AFTER_FREE.sh

 1266 10:21:52.760625  lkdtm:READ_BUDDY_AFTER_FREE.sh

 1267 10:21:52.760917  lkdtm:SLAB_FREE_DOUBLE.sh

 1268 10:21:52.761201  lkdtm:SLAB_FREE_CROSS.sh

 1269 10:21:52.761481  lkdtm:SLAB_FREE_PAGE.sh

 1270 10:21:52.761756  lkdtm:SOFTLOCKUP.sh

 1271 10:21:52.762031  lkdtm:HARDLOCKUP.sh

 1272 10:21:52.762301  lkdtm:SPINLOCKUP.sh

 1273 10:21:52.762573  lkdtm:HUNG_TASK.sh

 1274 10:21:52.762898  lkdtm:EXEC_DATA.sh

 1275 10:21:52.763173  lkdtm:EXEC_STACK.sh

 1276 10:21:52.763442  lkdtm:EXEC_KMALLOC.sh

 1277 10:21:52.763714  lkdtm:EXEC_VMALLOC.sh

 1278 10:21:52.763987  lkdtm:EXEC_RODATA.sh

 1279 10:21:52.764257  lkdtm:EXEC_USERSPACE.sh

 1280 10:21:52.764529  lkdtm:EXEC_NULL.sh

 1281 10:21:52.764800  lkdtm:ACCESS_USERSPACE.sh

 1282 10:21:52.765072  lkdtm:ACCESS_NULL.sh

 1283 10:21:52.802486  lkdtm:WRITE_RO.sh

 1284 10:21:52.803026  lkdtm:WRITE_RO_AFTER_INIT.sh

 1285 10:21:52.803355  lkdtm:WRITE_KERN.sh

 1286 10:21:52.803660  lkdtm:REFCOUNT_INC_OVERFLOW.sh

 1287 10:21:52.803952  lkdtm:REFCOUNT_ADD_OVERFLOW.sh

 1288 10:21:52.804236  lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh

 1289 10:21:52.804521  lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh

 1290 10:21:52.804799  lkdtm:REFCOUNT_DEC_ZERO.sh

 1291 10:21:52.805074  lkdtm:REFCOUNT_DEC_NEGATIVE.sh

 1292 10:21:52.805348  lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh

 1293 10:21:52.805624  lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh

 1294 10:21:52.805898  lkdtm:REFCOUNT_INC_ZERO.sh

 1295 10:21:52.806171  lkdtm:REFCOUNT_ADD_ZERO.sh

 1296 10:21:52.806440  lkdtm:REFCOUNT_INC_SATURATED.sh

 1297 10:21:52.806752  lkdtm:REFCOUNT_DEC_SATURATED.sh

 1298 10:21:52.845534  lkdtm:REFCOUNT_ADD_SATURATED.sh

 1299 10:21:52.846041  lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh

 1300 10:21:52.846369  lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh

 1301 10:21:52.846710  lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh

 1302 10:21:52.847011  lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh

 1303 10:21:52.847299  lkdtm:REFCOUNT_TIMING.sh

 1304 10:21:52.847576  lkdtm:ATOMIC_TIMING.sh

 1305 10:21:52.847852  lkdtm:USERCOPY_HEAP_SIZE_TO.sh

 1306 10:21:52.848128  lkdtm:USERCOPY_HEAP_SIZE_FROM.sh

 1307 10:21:52.848402  lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh

 1308 10:21:52.848677  lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh

 1309 10:21:52.848952  lkdtm:USERCOPY_STACK_FRAME_TO.sh

 1310 10:21:52.849247  lkdtm:USERCOPY_STACK_FRAME_FROM.sh

 1311 10:21:52.849567  lkdtm:USERCOPY_STACK_BEYOND.sh

 1312 10:21:52.849840  lkdtm:USERCOPY_KERNEL.sh

 1313 10:21:52.866882  lkdtm:STACKLEAK_ERASING.sh

 1314 10:21:52.867386  lkdtm:CFI_FORWARD_PROTO.sh

 1315 10:21:52.867716  ===========End Tests to run ===============

 1316 10:21:55.149576  <12>[   63.038250] kselftest: Running tests in lkdtm

 1317 10:21:55.181435  TAP version 13

 1318 10:21:55.229116  1..70

 1319 10:21:55.277215  # selftests: lkdtm: PANIC.sh

 1320 10:21:55.882913  # Skipping PANIC: crashes entire system

 1321 10:21:55.883389  ok 1 selftests: lkdtm: PANIC.sh # SKIP

 1322 10:21:55.930513  # selftests: lkdtm: BUG.sh

 1323 10:21:56.364999  <6>[   64.222657] lkdtm: Performing direct entry BUG

 1324 10:21:56.365510  <4>[   64.227868] ------------[ cut here ]------------

 1325 10:21:56.365844  <2>[   64.232760] kernel BUG at drivers/misc/lkdtm/bugs.c:76!

 1326 10:21:56.366150  <0>[   64.238254] Internal error: Oops - BUG: 0 [#1] SMP ARM

 1327 10:21:56.408134  <4>[   64.243662] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 1328 10:21:56.408663  <4>[   64.273000] CPU: 2 PID: 701 Comm: cat Not tainted 5.10.182-cip34 #1

 1329 10:21:56.408999  <4>[   64.279537] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 1330 10:21:56.409308  <4>[   64.286345] PC is at lkdtm_BUG+0x14/0x18

 1331 10:21:56.409603  <4>[   64.290540] LR is at lkdtm_do_action+0x2c/0x4c

 1332 10:21:56.409894  <4>[   64.295251] pc : [<c0c54d2c>]    lr : [<c0c547ac>]    psr: a00e0013

 1333 10:21:56.410182  <4>[   64.301786] sp : c6509e58  ip : c6509e68  fp : c6509e64

 1334 10:21:56.451526  <4>[   64.307278] r10: 00000004  r9 : c1acfee8  r8 : c15ebcc8

 1335 10:21:56.452036  <4>[   64.312772] r7 : c6509f60  r6 : 00000004  r5 : c5972000  r4 : 00000001

 1336 10:21:56.452370  <4>[   64.319567] r3 : c0c54d18  r2 : 72aa08a0  r1 : ef7ab5e0  r0 : c15ebcd0

 1337 10:21:56.452678  <4>[   64.326364] Flags: NzCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 1338 10:21:56.452971  <4>[   64.333768] Control: 10c5387d  Table: 1670404a  DAC: 00000051

 1339 10:21:56.453258  <0>[   64.339783] Process cat (pid: 701, stack limit = 0x01396e50)

 1340 10:21:56.453540  <0>[   64.345714] Stack: (0xc6509e58 to 0xc650a000)

 1341 10:21:56.494731  <0>[   64.350343] 9e40:                                                       c6509e74 c6509e68

 1342 10:21:56.495214  <0>[   64.358793] 9e60: c0c547ac c0c54d24 c6509e9c c6509e78 c0c54cac c0c5478c c0c54b8c c5ba03c0

 1343 10:21:56.495525  <0>[   64.367243] 9e80: b6e2f000 00000004 c5360b40 c6509f60 c6509ec4 c6509ea0 c07e05cc c0c54b98

 1344 10:21:56.495808  <0>[   64.375691] 9ea0: 00000000 c5ba03c0 b6e2f000 c2815800 c6509f60 c07e0568 c6509f5c c6509ec8

 1345 10:21:56.496078  <0>[   64.384141] 9ec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c139fd58 c059b1c4 c6508000

 1346 10:21:56.537928  <0>[   64.392591] 9ee0: b6e2f000 00020000 00000004 00000004 0001fffc c6509ee0 00000001 b6e2e000

 1347 10:21:56.538407  <0>[   64.401040] 9f00: c5b10f00 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 1348 10:21:56.538745  <0>[   64.409490] 9f20: 00000000 00000000 c139fd58 72aa08a0 c205e4c0 c5ba03c0 c5ba03c0 c6508000

 1349 10:21:56.539033  <0>[   64.417941] 9f40: b6e2f000 00000000 00000000 00000004 c6509f94 c6509f60 c059b1c4 c059ab18

 1350 10:21:56.539306  <0>[   64.426390] 9f60: 00000000 00000000 c6509fac 72aa08a0 00000004 00000004 b6f76e00 00000004

 1351 10:21:56.581190  <0>[   64.434840] 9f80: c03002e4 c6508000 c6509fa4 c6509f98 c059b254 c059b15c 00000000 c6509fa8

 1352 10:21:56.581673  <0>[   64.443288] 9fa0: c03000c0 c059b248 00000004 00000004 00000001 b6e2f000 00000004 00000000

 1353 10:21:56.581983  <0>[   64.451738] 9fc0: 00000004 00000004 b6f76e00 00000004 00000001 00000000 00020000 bea8aac4

 1354 10:21:56.582267  <0>[   64.460186] 9fe0: 00000004 bea8a7f8 b6ee0d8f b6e677e6 800e0030 00000001 00000000 00000000

 1355 10:21:56.582539  <0>[   64.468627] Backtrace: 

 1356 10:21:56.582832  <0>[   64.471356] [<c0c54d18>] (lkdtm_BUG) from [<c0c547ac>] (lkdtm_do_action+0x2c/0x4c)

 1357 10:21:56.624404  <0>[   64.479202] [<c0c54780>] (lkdtm_do_action) from [<c0c54cac>] (direct_entry+0x120/0x18c)

 1358 10:21:56.624886  <0>[   64.487485] [<c0c54b8c>] (direct_entry) from [<c07e05cc>] (full_proxy_write+0x64/0x94)

 1359 10:21:56.625194  <0>[   64.495676]  r9:c6509f60 r8:c5360b40 r7:00000004 r6:b6e2f000 r5:c5ba03c0 r4:c0c54b8c

 1360 10:21:56.625476  <0>[   64.503700] [<c07e0568>] (full_proxy_write) from [<c059ac18>] (vfs_write+0x10c/0x53c)

 1361 10:21:56.625745  <0>[   64.511802]  r9:c07e0568 r8:c6509f60 r7:c2815800 r6:b6e2f000 r5:c5ba03c0 r4:00000000

 1362 10:21:56.667668  <0>[   64.519819] [<c059ab0c>] (vfs_write) from [<c059b1c4>] (ksys_write+0x74/0xec)

 1363 10:21:56.668173  <0>[   64.527226]  r10:00000004 r9:00000000 r8:00000000 r7:b6e2f000 r6:c6508000 r5:c5ba03c0

 1364 10:21:56.668507  <0>[   64.535322]  r4:c5ba03c0

 1365 10:21:56.668813  <0>[   64.538129] [<c059b150>] (ksys_write) from [<c059b254>] (sys_write+0x18/0x1c)

 1366 10:21:56.669120  <0>[   64.545536]  r9:c6508000 r8:c03002e4 r7:00000004 r6:b6f76e00 r5:00000004 r4:00000004

 1367 10:21:56.669385  <0>[   64.553555] [<c059b23c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 1368 10:21:56.669645  <0>[   64.561391] Exception stack(0xc6509fa8 to 0xc6509ff0)

 1369 10:21:56.710808  <0>[   64.566713] 9fa0:                   00000004 00000004 00000001 b6e2f000 00000004 00000000

 1370 10:21:56.711265  <0>[   64.575161] 9fc0: 00000004 00000004 b6f76e00 00000004 00000001 00000000 00020000 bea8aac4

 1371 10:21:56.711556  <0>[   64.583608] 9fe0: 00000004 bea8a7f8 b6ee0d8f b6e677e6

 1372 10:21:56.711820  <0>[   64.588932] Code: e92dd800 e24cb004 e52de004 e8bd4000 (e7f001f2) 

 1373 10:21:56.712075  <4>[   64.595301] ---[ end trace 184820ef97b03c1f ]---

 1374 10:21:56.712344  <3>[   64.600190] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 1375 10:21:56.754095  <3>[   64.609330] in_atomic(): 0, irqs_disabled(): 128, non_block: 0, pid: 701, name: cat

 1376 10:21:56.754572  <4>[   64.617252] INFO: lockdep is turned off.

 1377 10:21:56.754907  <4>[   64.621441] irq event stamp: 1610

 1378 10:21:56.755190  <4>[   64.625036] hardirqs last  enabled at (1609): [<c03d6ce8>] console_unlock+0x4b0/0x6c0

 1379 10:21:56.755462  <4>[   64.633139] hardirqs last disabled at (1610): [<c0300c60>] __und_svc+0x60/0x6c

 1380 10:21:56.755729  <4>[   64.640632] softirqs last  enabled at (1606): [<c030219c>] __do_softirq+0x36c/0x5a0

 1381 10:21:56.797365  <4>[   64.648560] softirqs last disabled at (1571): [<c035f968>] __irq_exit_rcu+0x178/0x1d0

 1382 10:21:56.797846  <4>[   64.656662] CPU: 2 PID: 701 Comm: cat Tainted: G      D           5.10.182-cip34 #1

 1383 10:21:56.798158  <4>[   64.664584] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 1384 10:21:56.798441  <4>[   64.671377] Backtrace: 

 1385 10:21:56.798741  <4>[   64.674110] [<c137cc4c>] (dump_backtrace) from [<c137d00c>] (show_stack+0x20/0x24)

 1386 10:21:56.799013  <4>[   64.681951]  r7:ffffffff r6:600e0093 r5:00000000 r4:c1f0fdf8

 1387 10:21:56.799276  <4>[   64.687888] [<c137cfec>] (show_stack) from [<c1384268>] (dump_stack+0xe0/0x100)

 1388 10:21:56.840652  <4>[   64.695478] [<c1384188>] (dump_stack) from [<c038fb6c>] (___might_sleep+0x188/0x2e0)

 1389 10:21:56.841132  <4>[   64.703495]  r9:600e0093 r8:0000000b r7:c035c4c4 r6:00000031 r5:c19cc144 r4:c6508000

 1390 10:21:56.841440  <4>[   64.711513] [<c038f9e4>] (___might_sleep) from [<c038fd34>] (__might_sleep+0x70/0xb0)

 1391 10:21:56.841723  <4>[   64.719611]  r6:00000000 r5:00000031 r4:c19cc144

 1392 10:21:56.841994  <4>[   64.724510] [<c038fcc4>] (__might_sleep) from [<c036dadc>] (exit_signals+0x4c/0x420)

 1393 10:21:56.842262  <4>[   64.732523]  r6:00000001 r5:c6508000 r4:c5f81b00

 1394 10:21:56.883897  <4>[   64.737422] [<c036da90>] (exit_signals) from [<c035c4c4>] (do_exit+0x100/0xafc)

 1395 10:21:56.884377  <4>[   64.745004]  r8:0000000b r7:c1e0f98c r6:ffffe000 r5:00000000 r4:c5f81b00

 1396 10:21:56.884684  <4>[   64.751981] [<c035c3c4>] (do_exit) from [<c035e3c0>] (make_task_dead+0x68/0x74)

 1397 10:21:56.884967  <4>[   64.759557]  r7:c1e0f98c

 1398 10:21:56.885237  <4>[   64.762369] [<c035e358>] (make_task_dead) from [<c030e95c>] (die+0x370/0x37c)

 1399 10:21:56.885502  <4>[   64.769776] [<c030e5ec>] (die) from [<c030ead8>] (do_undefinstr+0x170/0x240)

 1400 10:21:56.885762  <4>[   64.777096]  r10:00000004 r9:c6508000 r8:c15ebcc8 r7:00000000 r6:c6509dc8 r5:c0c54d2c

 1401 10:21:56.927097  <4>[   64.785192]  r4:e7f001f2

 1402 10:21:56.927571  <4>[   64.787999] [<c030e968>] (do_undefinstr) from [<c0300c6c>] (__und_svc_finish+0x0/0x54)

 1403 10:21:56.927878  <4>[   64.796182] Exception stack(0xc6509dc8 to 0xc6509e10)

 1404 10:21:56.928159  <4>[   64.801506] 9dc0:                   c15ebcd0 ef7ab5e0 72aa08a0 c0c54d18 00000001 c5972000

 1405 10:21:56.928430  <4>[   64.809955] 9de0: 00000004 c6509f60 c15ebcc8 c1acfee8 00000004 c6509e64 c6509e68 c6509e58

 1406 10:21:56.928697  <4>[   64.818400] 9e00: c0c547ac c0c54d2c a00e0013 ffffffff

 1407 10:21:56.970306  <4>[   64.823722]  r7:c6509dfc r6:ffffffff r5:a00e0013 r4:c0c54d30

 1408 10:21:56.970810  <4>[   64.829655] [<c0c54d18>] (lkdtm_BUG) from [<c0c547ac>] (lkdtm_do_action+0x2c/0x4c)

 1409 10:21:56.971123  <4>[   64.837496] [<c0c54780>] (lkdtm_do_action) from [<c0c54cac>] (direct_entry+0x120/0x18c)

 1410 10:21:56.971405  <4>[   64.845774] [<c0c54b8c>] (direct_entry) from [<c07e05cc>] (full_proxy_write+0x64/0x94)

 1411 10:21:56.971680  <4>[   64.853962]  r9:c6509f60 r8:c5360b40 r7:00000004 r6:b6e2f000 r5:c5ba03c0 r4:c0c54b8c

 1412 10:21:56.971948  <4>[   64.861980] [<c07e0568>] (full_proxy_write) from [<c059ac18>] (vfs_write+0x10c/0x53c)

 1413 10:21:57.013502  <4>[   64.870081]  r9:c07e0568 r8:c6509f60 r7:c2815800 r6:b6e2f000 r5:c5ba03c0 r4:00000000

 1414 10:21:57.013980  <4>[   64.878095] [<c059ab0c>] (vfs_write) from [<c059b1c4>] (ksys_write+0x74/0xec)

 1415 10:21:57.014290  <4>[   64.885503]  r10:00000004 r9:00000000 r8:00000000 r7:b6e2f000 r6:c6508000 r5:c5ba03c0

 1416 10:21:57.014569  <4>[   64.893598]  r4:c5ba03c0

 1417 10:21:57.014865  <4>[   64.896404] [<c059b150>] (ksys_write) from [<c059b254>] (sys_write+0x18/0x1c)

 1418 10:21:57.015134  <4>[   64.903811]  r9:c6508000 r8:c03002e4 r7:00000004 r6:b6f76e00 r5:00000004 r4:00000004

 1419 10:21:57.063772  <4>[   64.911825] [<c059b23c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 1420 10:21:57.063929  <4>[   64.919661] Exception stack(0xc6509fa8 to 0xc6509ff0)

 1421 10:21:57.063995  <4>[   64.924983] 9fa0:                   00000004 00000004 00000001 b6e2f000 00000004 00000000

 1422 10:21:57.064056  <4>[   64.933431] 9fc0: 00000004 00000004 b6f76e00 00000004 00000001 00000000 00020000 bea8aac4

 1423 10:21:57.064114  <4>[   64.941876] 9fe0: 00000004 bea8a7f8 b6ee0d8f b6e677e6

 1424 10:21:57.064170  # Segmentation fault

 1425 10:21:57.127586  # [   64.222657] lkdtm: Performing direct entry BUG

 1426 10:21:57.170582  # [   64.227868] ------------[ cut here ]------------

 1427 10:21:57.170724  # [   64.232760] kernel BUG at drivers/misc/lkdtm/bugs.c:76!

 1428 10:21:57.170800  # [   64.238254] Internal error: Oops - BUG: 0 [#1] SMP ARM

 1429 10:21:57.213591  # [   64.243662] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 1430 10:21:57.213676  # [   64.273000] CPU: 2 PID: 701 Comm: cat Not tainted 5.10.182-cip34 #1

 1431 10:21:57.213741  # [   64.279537] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 1432 10:21:57.213801  # [   64.286345] PC is at lkdtm_BUG+0x14/0x18

 1433 10:21:57.213858  # [   64.290540] LR is at lkdtm_do_action+0x2c/0x4c

 1434 10:21:57.213914  # [   64.295251] pc : [<c0c54d2c>]    lr : [<c0c547ac>]    psr: a00e0013

 1435 10:21:57.213968  # [   64.301786] sp : c6509e58  ip : c6509e68  fp : c6509e64

 1436 10:21:57.214022  # [   64.307278] r10: 00000004  r9 : c1acfee8  r8 : c15ebcc8

 1437 10:21:57.256718  # [   64.312772] r7 : c6509f60  r6 : 00000004  r5 : c5972000  r4 : 00000001

 1438 10:21:57.256798  # [   64.319567] r3 : c0c54d18  r2 : 72aa08a0  r1 : ef7ab5e0  r0 : c15ebcd0

 1439 10:21:57.256863  # [   64.326364] Flags: NzCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 1440 10:21:57.256923  # [   64.333768] Control: 10c5387d  Table: 1670404a  DAC: 00000051

 1441 10:21:57.256980  # [   64.339783] Process cat (pid: 701, stack limit = 0x01396e50)

 1442 10:21:57.257035  # [   64.345714] Stack: (0xc6509e58 to 0xc650a000)

 1443 10:21:57.257090  # [   64.350343] 9e40:                                                       c6509e74 c6509e68

 1444 10:21:57.300245  # [   64.358793] 9e60: c0c547ac c0c54d24 c6509e9c c6509e78 c0c54cac c0c5478c c0c54b8c c5ba03c0

 1445 10:21:57.300424  # [   64.367243] 9e80: b6e2f000 00000004 c5360b40 c6509f60 c6509ec4 c6509ea0 c07e05cc c0c54b98

 1446 10:21:57.300514  # [   64.375691] 9ea0: 00000000 c5ba03c0 b6e2f000 c2815800 c6509f60 c07e0568 c6509f5c c6509ec8

 1447 10:21:57.300597  # [   64.384141] 9ec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c139fd58 c059b1c4 c6508000

 1448 10:21:57.300674  # [   64.392591] 9ee0: b6e2f000 00020000 00000004 00000004 0001fffc c6509ee0 00000001 b6e2e000

 1449 10:21:57.343067  # [   64.401040] 9f00: c5b10f00 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 1450 10:21:57.343352  # [   64.409490] 9f20: 00000000 00000000 c139fd58 72aa08a0 c205e4c0 c5ba03c0 c5ba03c0 c6508000

 1451 10:21:57.343525  # [   64.417941] 9f40: b6e2f000 00000000 00000000 00000004 c6509f94 c6509f60 c059b1c4 c059ab18

 1452 10:21:57.343679  # [   64.426390] 9f60: 00000000 00000000 c6509fac 72aa08a0 00000004 00000004 b6f76e00 00000004

 1453 10:21:57.343829  # [   64.434840] 9f80: c03002e4 c6508000 c6509fa4 c6509f98 c059b254 c059b15c 00000000 c6509fa8

 1454 10:21:57.387060  # [   64.443288] 9fa0: c03000c0 c059b248 00000004 00000004 00000001 b6e2f000 00000004 00000000

 1455 10:21:57.387513  # [   64.451738] 9fc0: 00000004 00000004 b6f76e00 00000004 00000001 00000000 00020000 bea8aac4

 1456 10:21:57.387807  # [   64.460186] 9fe0: 00000004 bea8a7f8 b6ee0d8f b6e677e6 800e0030 00000001 00000000 00000000

 1457 10:21:57.388111  # [   64.468627] Backtrace: 

 1458 10:21:57.388381  # [   64.471356] [<c0c54d18>] (lkdtm_BUG) from [<c0c547ac>] (lkdtm_do_action+0x2c/0x4c)

 1459 10:21:57.388648  # [   64.479202] [<c0c54780>] (lkdtm_do_action) from [<c0c54cac>] (direct_entry+0x120/0x18c)

 1460 10:21:57.431240  # [   64.487485] [<c0c54b8c>] (direct_entry) from [<c07e05cc>] (full_proxy_write+0x64/0x94)

 1461 10:21:57.431721  # [   64.495676]  r9:c6509f60 r8:c5360b40 r7:00000004 r6:b6e2f000 r5:c5ba03c0 r4:c0c54b8c

 1462 10:21:57.432036  # [   64.503700] [<c07e0568>] (full_proxy_write) from [<c059ac18>] (vfs_write+0x10c/0x53c)

 1463 10:21:57.432320  # [   64.511802]  r9:c07e0568 r8:c6509f60 r7:c2815800 r6:b6e2f000 r5:c5ba03c0 r4:00000000

 1464 10:21:57.432591  # [   64.519819] [<c059ab0c>] (vfs_write) from [<c059b1c4>] (ksys_write+0x74/0xec)

 1465 10:21:57.475125  # [   64.527226]  r10:00000004 r9:00000000 r8:00000000 r7:b6e2f000 r6:c6508000 r5:c5ba03c0

 1466 10:21:57.475608  # [   64.535322]  r4:c5ba03c0

 1467 10:21:57.475921  # [   64.538129] [<c059b150>] (ksys_write) from [<c059b254>] (sys_write+0x18/0x1c)

 1468 10:21:57.476205  # [   64.545536]  r9:c6508000 r8:c03002e4 r7:00000004 r6:b6f76e00 r5:00000004 r4:00000004

 1469 10:21:57.476475  # [   64.553555] [<c059b23c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 1470 10:21:57.476741  # [   64.561391] Exception stack(0xc6509fa8 to 0xc6509ff0)

 1471 10:21:57.477005  # [   64.566713] 9fa0:                   00000004 00000004 00000001 b6e2f000 00000004 00000000

 1472 10:21:57.519018  # [   64.575161] 9fc0: 00000004 00000004 b6f76e00 00000004 00000001 00000000 00020000 bea8aac4

 1473 10:21:57.519515  # [   64.583608] 9fe0: 00000004 bea8a7f8 b6ee0d8f b6e677e6

 1474 10:21:57.519835  # [   64.588932] Code: e92dd800 e24cb004 e52de004 e8bd4000 (e7f001f2) 

 1475 10:21:57.520118  # [   64.595301] ---[ end trace 184820ef97b03c1f ]---

 1476 10:21:57.520384  # [   64.600190] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 1477 10:21:57.520649  # [   64.609330] in_atomic(): 0, irqs_disabled(): 128, non_block: 0, pid: 701, name: cat

 1478 10:21:57.520910  # [   64.617252] INFO: lockdep is turned off.

 1479 10:21:57.562741  # [   64.621441] irq event stamp: 1610

 1480 10:21:57.562823  # [   64.625036] hardirqs last  enabled at (1609): [<c03d6ce8>] console_unlock+0x4b0/0x6c0

 1481 10:21:57.562888  # [   64.633139] hardirqs last disabled at (1610): [<c0300c60>] __und_svc+0x60/0x6c

 1482 10:21:57.562948  # [   64.640632] softirqs last  enabled at (1606): [<c030219c>] __do_softirq+0x36c/0x5a0

 1483 10:21:57.563005  # [   64.648560] softirqs last disabled at (1571): [<c035f968>] __irq_exit_rcu+0x178/0x1d0

 1484 10:21:57.563061  # [   64.656662] CPU: 2 PID: 701 Comm: cat Tainted: G      D           5.10.182-cip34 #1

 1485 10:21:57.607231  # [   64.664584] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 1486 10:21:57.607679  # [   64.671377] Backtrace: 

 1487 10:21:57.607990  # [   64.674110] [<c137cc4c>] (dump_backtrace) from [<c137d00c>] (show_stack+0x20/0x24)

 1488 10:21:57.608276  # [   64.681951]  r7:ffffffff r6:600e0093 r5:00000000 r4:c1f0fdf8

 1489 10:21:57.608546  # [   64.687888] [<c137<6>[   65.483478] lkdtm: Performing direct entry WARNING

 1490 10:21:57.608815  cfec>] (show_stack) from [<c13842<4>[   65.489409] ------------[ cut here ]------------

 1491 10:21:57.609076  68>] (dump_stack+0xe0/0x100)

 1492 10:21:57.651224  # [<4>[   65.497056] WARNING: CPU: 2 PID: 772 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x48/0x4c

 1493 10:21:57.651683     64.695478] [<c1384188>] (dump_<4>[   65.508676] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 1494 10:21:57.695336  stack) from [<c038fb6c>] (___migh<4>[   65.540593] CPU: 2 PID: 772 Comm: cat Tainted: G      D W         5.10.182-cip34 #1

 1495 10:21:57.695817  t_sleep+0x188/0x2e0)

 1496 10:21:57.696126  # [   64.70<4>[   65.551325] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 1497 10:21:57.696412  3495]  r9:600e0093 r8:0000000b r7<4>[   65.560973] Backtrace: 

 1498 10:21:57.696687  :c035c4c4 r6:00000031 r5:c19cc144<4>[   65.566562] [<c137cc4c>] (dump_backtrace) from [<c137d00c>] (show_stack+0x20/0x24)

 1499 10:21:57.696954   r4:c6508000

 1500 10:21:57.697211  # [   64.711513] [<<4>[   65.577242]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fdf8

 1501 10:21:57.739333  c038f9e4>] (___might_sleep) from <4>[   65.586036] [<c137cfec>] (show_stack) from [<c1384268>] (dump_stack+0xe0/0x100)

 1502 10:21:57.739792  [<c038fd34>] (__might_sleep+0x70/<4>[   65.596472] [<c1384188>] (dump_stack) from [<c0356820>] (__warn+0x98/0x14c)

 1503 10:21:57.740115  0xb0)

 1504 10:21:57.740399  # [   64.719611]  r6:00000<4>[   65.606548]  r9:00000009 r8:c0c54d78 r7:00000053 r6:00000009 r5:c0c54d78 r4:c1ad05a4

 1505 10:21:57.740670  000 r5:00000031 r4:c19cc144

 1506 10:21:57.740939  # [ <4>[   65.617416] [<c0356788>] (__warn) from [<c137e148>] (warn_slowpath_fmt+0x8c/0xa8)

 1507 10:21:57.783262    64.724510] [<c038fcc4>] (__migh<4>[   65.628017]  r7:00000053 r6:c1ad05a4 r5:00000000 r4:c5e08000

 1508 10:21:57.783743  t_sleep) from [<c036dadc>] (exit_<4>[   65.636802] [<c137e0c0>] (warn_slowpath_fmt) from [<c0c54d78>] (lkdtm_WARNING+0x48/0x4c)

 1509 10:21:57.784055  signals+0x4c/0x420)

 1510 10:21:57.784334  # [   64.732<4>[   65.648012]  r9:c1acfeec r8:c15ebcc8 r7:c5e09f60 r6:00000008 r5:c5afb000 r4:00000002

 1511 10:21:57.784607  523]  r6:00000001 r5:c6508000 r4:<4>[   65.658876] [<c0c54d30>] (lkdtm_WARNING) from [<c0c547ac>] (lkdtm_do_action+0x2c/0x4c)

 1512 10:21:57.784877  c5f81b00

 1513 10:21:57.827346  # [   64.737422] [<c036<4>[   65.669917] [<c0c54780>] (lkdtm_do_action) from [<c0c54cac>] (direct_entry+0x120/0x18c)

 1514 10:21:57.827828  da90>] (exit_signals) from [<c035<4>[   65.681051] [<c0c54b8c>] (direct_entry) from [<c07e05cc>] (full_proxy_write+0x64/0x94)

 1515 10:21:57.828144  c4c4>] (do_exit+0x100/0xafc)

 1516 10:21:57.828423  # [<4>[   65.692083]  r9:c5e09f60 r8:c5360b40 r7:00000008 r6:b6e11000 r5:c5ba0a00 r4:c0c54b8c

 1517 10:21:57.828698     64.745004]  r8:0000000b r7:c1e<4>[   65.702956] [<c07e0568>] (full_proxy_write) from [<c059ac18>] (vfs_write+0x10c/0x53c)

 1518 10:21:57.871359  0f98c r6:ffffe000 r5:00000000 r4:<4>[   65.713902]  r9:c07e0568 r8:c5e09f60 r7:c2815800 r6:b6e11000 r5:c5ba0a00 r4:00000000

 1519 10:21:57.871880  c5f81b00

 1520 10:21:57.872214  # [   64.751981] [<c035<4>[   65.724768] [<c059ab0c>] (vfs_write) from [<c059b1c4>] (ksys_write+0x74/0xec)

 1521 10:21:57.872525  c3c4>] (do_exit) from [<c035e3c0><4>[   65.735027]  r10:00000004 r9:00000000 r8:00000000 r7:b6e11000 r6:c5e08000 r5:c5ba0a00

 1522 10:21:57.872817  ] (make_task_dead+0x68/0x74)

 1523 10:21:57.873103  # [<4>[   65.745973]  r4:c5ba0a00

 1524 10:21:57.873383     64.759557]  r7:c1e0f98c

 1525 10:21:57.873658  <4>[   65.751638] [<c059b150>] (ksys_write) from [<c059b254>] (sys_write+0x18/0x1c)

 1526 10:21:57.915243  <4>[   65.761460]  r9:c5e08000 r8:c03002e4 r7:00000004 r6:b6f58e00 r5:00000008 r4:00000008

 1527 10:21:57.915757  # [   64.762369] [<c035e358>] (ma<4>[   65.769478] [<c059b23c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 1528 10:21:57.916102  ke_task_dead) from [<c030e95c>] (<4>[   65.780167] Exception stack(0xc5e09fa8 to 0xc5e09ff0)

 1529 10:21:57.916409  die+0x370/0x37c)

 1530 10:21:57.916698  <4>[   65.788347] 9fa0:                   00000008 00000008 00000001 b6e11000 00000008 00000000

 1531 10:21:57.959234  <4>[   65.798343] 9fc0: 00000008 00000008 b6f58e00 00000004 00000001 00000000 00020000 beb8dac4

 1532 10:21:57.959713  # [   64.769776] [<c030e5ec>] (di<4>[   65.806790] 9fe0: 00000004 beb8d7f8 b6ec2d8f b6e497e6

 1533 10:21:57.960029  e) from [<c030ead8>] (do_undefins<4>[   65.815047] irq event stamp: 0

 1534 10:21:57.960310  tr+0x170/0x240)

 1535 10:21:57.960575  # [   64.777096]<4>[   65.821183] hardirqs last  enabled at (0): [<00000000>] 0x0

 1536 10:21:57.960842    r10:00000004 r9:c6508000 r8:c15<4>[   65.829907] hardirqs last disabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 1537 10:21:58.003261  ebcc8 r7:00000000 r6:c6509dc8 r5:<4>[   65.840502] softirqs last  enabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 1538 10:21:58.003742  c0c54d2c

 1539 10:21:58.004053  # [   64.785192]  r4:e7<4>[   65.851117] softirqs last disabled at (0): [<00000000>] 0x0

 1540 10:21:58.004335  f001f2

 1541 10:21:58.004601  # [   64.787999] [<c030e9<4>[   65.859788] ---[ end trace 184820ef97b03c20 ]---

 1542 10:21:58.004868  68>] (do_undefinstr) from [<c0300c6c>] (__und_svc_finish+0x0/0x54)

 1543 10:21:58.005133  # [   64.796182] Exception stack(0xc6509dc8 to 0xc6509e10)

 1544 10:21:58.005390  # [   64.801506] 9dc0:                   c15ebcd0 ef7ab5e0 72aa08a0 c0c54d18 00000001 c5972000

 1545 10:21:58.047256  # [   64.809955] 9de0: 00000004 c6509f60 c15ebcc8 c1acfee8 00000004 c6509e64 c6509e68 c6509e58

 1546 10:21:58.047736  # [   64.818400] 9e00: c0c547ac c0c54d2c a00e0013 ffffffff

 1547 10:21:58.048077  # [   64.823722]  r7:c6509dfc r6:ffffffff r5:a00e0013 r4:c0c54d30

 1548 10:21:58.048380  # [   64.829655] [<c0c54d18>] (lkdtm_BUG) from [<c0c547ac>] (lkdtm_do_action+0x2c/0x4c)

 1549 10:21:58.048675  # [   64.837496] [<c0c54780>] (lkdtm_do_action) from [<c0c54cac>] (direct_entry+0x120/0x18c)

 1550 10:21:58.048962  # [   64.845774] [<c0c54b8c>] (direct_entry) from [<c07e05cc>] (full_proxy_write+0x64/0x94)

 1551 10:21:58.091257  # [   64.853962]  r9:c6509f60 r8:c5360b40 r7:00000004 r6:b6e2f000 r5:c5ba03c0 r4:c0c54b8c

 1552 10:21:58.091782  # [   64.861980] [<c07e0568>] (full_proxy_write) from [<c059ac18>] (vfs_write+0x10c/0x53c)

 1553 10:21:58.092121  # [   64.870081]  r9:c07e0568 r8:c6509f60 r7:c2815800 r6:b6e2f000 r5:c5ba03c0 r4:00000000

 1554 10:21:58.092424  # [   64.878095] [<c059ab0c>] (vfs_write) from [<c059b1c4>] (ksys_write+0x74/0xec)

 1555 10:21:58.092715  # [   64.885503]  r10:00000004 r9:00000000 r8:00000000 r7:b6e2f000 r6:c6508000 r5:c5ba03c0

 1556 10:21:58.092999  # [   64.893598]  r4:c5ba03c0

 1557 10:21:58.135121  # [   64.896404] [<c059b150>] (ksys_write) from [<c059b254>] (sys_write+0x18/0x1c)

 1558 10:21:58.135630  # [   64.903811]  r9:c6508000 r8:c03002e4 r7:00000004 r6:b6f76e00 r5:00000004 r4:00000004

 1559 10:21:58.135970  # [   64.911825] [<c059b23c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 1560 10:21:58.136276  # [   64.919661] Exception stack(0xc6509fa8 to 0xc6509ff0)

 1561 10:21:58.136570  # [   64.924983] 9fa0:                   00000004 00000004 00000001 b6e2f000 00000004 00000000

 1562 10:21:58.136860  # [   64.933431] 9fc0: 00000004 00000004 b6f76e00 00000004 00000001 00000000 00020000 bea8aac4

 1563 10:21:58.179118  # [   64.941876] 9fe0: 00000004 bea8a7f8 b6ee0d8f b6e677e6

 1564 10:21:58.179595  # BUG: saw 'kernel BUG at': ok

 1565 10:21:58.179906  ok 2 selftests: lkdtm: BUG.sh

 1566 10:21:58.180185  # selftests: lkdtm: WARNING.sh

 1567 10:21:58.180449  # [   65.483478] lkdtm: Performing direct entry WARNING

 1568 10:21:58.180712  # [   65.489409] ------------[ cut here ]------------

 1569 10:21:58.180970  # [   65.497056] WARNING: CPU: 2 PID: 772 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x48/0x4c

 1570 10:21:58.223128  # [   65.508676] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 1571 10:21:58.223618  # [   65.540593] CPU: 2 PID: 772 Comm: cat Tainted: G      D W         5.10.182-cip34 #1

 1572 10:21:58.223935  # [   65.551325] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 1573 10:21:58.224218  # [   65.560973] Backtrace: 

 1574 10:21:58.224486  # [   65.566562] [<c137cc4c>] (dump_backtrace) from [<c137d00c>] (show_stack+0x20/0x24)

 1575 10:21:58.267130  # [   65.577242]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fdf8

 1576 10:21:58.267642  # [   65.586036] [<c137cfec>] (show_stack) from [<c1384268>] (dump_stack+0xe0/0x100)

 1577 10:21:58.267981  # [   65.596472] [<c1384188>] (dump_stack) from [<c0356820>] (__warn+0x98/0x14c)

 1578 10:21:58.268287  # [   65.606548]  r9:00000009 r8:c0c54d78 r7:00000053 r6:00000009 r5:c0c54d78 r4:c1ad05a4

 1579 10:21:58.268580  # [   65.617416] [<c0356788>] (__warn) from [<c137e148>] (warn_slowpath_fmt+0x8c/0xa8)

 1580 10:21:58.268868  # [   65.628017]  r7:00000053 r6:c1ad05a4 r5:00000000 r4:c5e08000

 1581 10:21:58.310930  # [   65.636802] [<c137e0c0>] (warn_slowpath_fmt) from [<c0c54d78>] (lkdtm_WARNING+0x48/0x4c)

 1582 10:21:58.311125  # [   65.648012]  r9:c1acfeec r8:c15ebcc8 r7:c5e09f60 r6:00000008 r5:c5afb000 r4:00000002

 1583 10:21:58.311228  # [   65.658876] [<c0c54d30>] (lkdtm_WARNING) from [<c0c547ac>] (lkdtm_do_action+0x2c/0x4c)

 1584 10:21:58.311320  # [   65.669917] [<c0c54780>] (lkdtm_do_action) from [<c0c54cac>] (direct_entry+0x120/0x18c)

 1585 10:21:58.311408  # [   65.681051] [<c0c54b8c>] (direct_entry) from [<c07e05cc>] (full_proxy_write+0x64/0x94)

 1586 10:21:58.311494  # [   65.692083]  r9:c5e09f60 r8:c5360b40 r7:00000008 r6:b6e11000 r5:c5ba0a00 r4:c0c54b8c

 1587 10:21:58.355326  # [   65.702956] [<c07e0568>] (full_proxy_write) from [<c059ac18>] (vfs_write+0x10c/0x53c)

 1588 10:21:58.355777  # [   65.713902]  r9:c07e0568 r8:c5e09f60 r7:c2815800 r6:b6e11000 r5:c5ba0a00 r4:00000000

 1589 10:21:58.356074  # [   65.724768] [<c059ab0c>] (vfs_write) from [<c059b1c4>] (ksys_write+0x74/0xec)

 1590 10:21:58.356342  # [   65.735027]  r10:00000004 r9:00000000 r8:00000000 r7:b6e11000 r6:c5e08000 r5:c5ba0a00

 1591 10:21:58.356593  # [   65.745973]  r4:c5ba0a00

 1592 10:21:58.356836  # [   65.751638] [<c059b150>] (ksys_write) from [<c059b254>] (sys_write+0x18/0x1c)

 1593 10:21:58.399247  # [   65.761460]  r9:c5e08000 r8:c03002e4 r7:00000004 r6:b6f58e00 r5:00000008 r4:00000008

 1594 10:21:58.399774  # [   65.769478] [<c059b23c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 1595 10:21:58.400115  # [   65.780167] Exception stack(0xc5e09fa8 to 0xc5e09ff0)

 1596 10:21:58.400422  # [   65.788347] 9fa0:                   00000008 00000008 00000001 b6e11000 00000008 00000000

 1597 10:21:58.400717  # [   65.798343] 9fc0: 00000008 00000008 b6f58e00 00000004 00000001 00000000 00020000 beb8dac4

 1598 10:21:58.401005  # [   65.806790] 9fe0: 00000004 beb8d7f8 b6ec2d8f b6e497e6

 1599 10:21:58.443255  # [ <6>[   66.275518] lkdtm: Performing direct entry WARNING_MESSAGE

 1600 10:21:58.443767    65.815047] irq event stamp: 0

 1601 10:21:58.444103  <4>[   66.282496] ------------[ cut here ]------------

 1602 10:21:58.444411  # [   65.821183] hardirqs last  e<4>[   66.290242] WARNING: CPU: 3 PID: 807 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x4c/0x54

 1603 10:21:58.444711  nabled at (0): [<00000000>] 0x0

 1604 10:21:58.444999  <4>[   66.302500] Warning message trigger count: 2

 1605 10:21:58.487348  # [   65.829907] hardirqs last di<4>[   66.309872] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 1606 10:21:58.487875  sabled at (0): [<c0353d90>] copy_<4>[   66.341842] CPU: 3 PID: 807 Comm: cat Tainted: G      D W         5.10.182-cip34 #1

 1607 10:21:58.488221  process+0x5f8/0x1944

 1608 10:21:58.488523  # [   65.84<4>[   66.352575] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 1609 10:21:58.531345  0502] softirqs last  enabled at (<4>[   66.362226] Backtrace: 

 1610 10:21:58.531865  0): [<c0353d90>] copy_process+0x5<4>[   66.367813] [<c137cc4c>] (dump_backtrace) from [<c137d00c>] (show_stack+0x20/0x24)

 1611 10:21:58.532215  f8/0x1944

 1612 10:21:58.532523  # [   65.851117] softi<4>[   66.378495]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fdf8

 1613 10:21:58.532825  rqs last disabled at (0): [<00000<4>[   66.387281] [<c137cfec>] (show_stack) from [<c1384268>] (dump_stack+0xe0/0x100)

 1614 10:21:58.533118  000>] 0x0

 1615 10:21:58.533402  # [   65.859788] ---[ <4>[   66.397717] [<c1384188>] (dump_stack) from [<c0356820>] (__warn+0x98/0x14c)

 1616 10:21:58.575351  end trace 184820ef97b03c20 ]---

 1617 10:21:58.575860  <4>[   66.407793]  r9:00000009 r8:c0c54dc8 r7:00000058 r6:00000009 r5:c0c54dc8 r4:c1ad05a4

 1618 10:21:58.576199  # WARNING: saw 'WARNING:': ok

 1619 10:21:58.576500  ok<4>[   66.418665] [<c0356788>] (__warn) from [<c137e148>] (warn_slowpath_fmt+0x8c/0xa8)

 1620 10:21:58.576797   3 selftests: lkdtm: WARNING.sh

 1621 10:21:58.577082  <4>[   66.429263]  r7:00000058 r6:c1ad05a4 r5:c1ad05c0 r4:c60f4000

 1622 10:21:58.577368  # selftests: lkdtm: WARNING_MESSA<4>[   66.438050] [<c137e0c0>] (warn_slowpath_fmt) from [<c0c54dc8>] (lkdtm_WARNING_MESSAGE+0x4c/0x54)

 1623 10:21:58.577650  GE.sh

 1624 10:21:58.619360  <4>[   66.449954]  r9:c1acfef4 r8:c15ebcc8 r7:c60f5f60 r6:00000010 r5:c5db8000 r4:00000003

 1625 10:21:58.619841  <4>[   66.458564] [<c0c54d7c>] (lkdtm_WARNING_MESSAGE) from [<c0c547ac>] (lkdtm_do_action+0x2c/0x4c)

 1626 10:21:58.620153  <4>[   66.467448] [<c0c54780>] (lkdtm_do_action) from [<c0c54cac>] (direct_entry+0x120/0x18c)

 1627 10:21:58.620436  <4>[   66.475729] [<c0c54b8c>] (direct_entry) from [<c07e05cc>] (full_proxy_write+0x64/0x94)

 1628 10:21:58.620709  <4>[   66.483917]  r9:c60f5f60 r8:c5360b40 r7:00000010 r6:b6e3f000 r5:c64e2f00 r4:c0c54b8c

 1629 10:21:58.663364  <4>[   66.491939] [<c07e0568>] (full_proxy_write) from [<c059ac18>] (vfs_write+0x10c/0x53c)

 1630 10:21:58.663849  <4>[   66.500039]  r9:c07e0568 r8:c60f5f60 r7:c2815800 r6:b6e3f000 r5:c64e2f00 r4:00000000

 1631 10:21:58.664166  <4>[   66.508056] [<c059ab0c>] (vfs_write) from [<c059b1c4>] (ksys_write+0x74/0xec)

 1632 10:21:58.664447  <4>[   66.515463]  r10:00000004 r9:00000000 r8:00000000 r7:b6e3f000 r6:c60f4000 r5:c64e2f00

 1633 10:21:58.664717  <4>[   66.523560]  r4:c64e2f00

 1634 10:21:58.664979  <4>[   66.526369] [<c059b150>] (ksys_write) from [<c059b254>] (sys_write+0x18/0x1c)

 1635 10:21:58.706874  <4>[   66.533776]  r9:c60f4000 r8:c03002e4 r7:00000004 r6:b6f86e00 r5:00000010 r4:00000010

 1636 10:21:58.707056  <4>[   66.541795] [<c059b23c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 1637 10:21:58.707135  <4>[   66.549633] Exception stack(0xc60f5fa8 to 0xc60f5ff0)

 1638 10:21:58.707196  <4>[   66.554958] 5fa0:                   00000010 00000010 00000001 b6e3f000 00000010 00000000

 1639 10:21:58.707266  <4>[   66.563408] 5fc0: 00000010 00000010 b6f86e00 00000004 00000001 00000000 00020000 be84fac4

 1640 10:21:58.707322  <4>[   66.571856] 5fe0: 00000004 be84f7f8 b6ef0d8f b6e777e6

 1641 10:21:58.707377  <4>[   66.577254] irq event stamp: 0

 1642 10:21:58.751066  <4>[   66.580592] hardirqs last  enabled at (0): [<00000000>] 0x0

 1643 10:21:58.751238  <4>[   66.586446] hardirqs last disabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 1644 10:21:58.751322  <4>[   66.594254] softirqs last  enabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 1645 10:21:58.751399  <4>[   66.602056] softirqs last disabled at (0): [<00000000>] 0x0

 1646 10:21:58.751472  <4>[   66.607939] ---[ end trace 184820ef97b03c21 ]---

 1647 10:21:58.819078  # [   66.275518] lkdtm: Performing direct entry WARNING_MESSAGE

 1648 10:21:58.819553  # [   66.282496] ------------[ cut here ]------------

 1649 10:21:58.819857  # [   66.290242] WARNING: CPU: 3 PID: 807 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x4c/0x54

 1650 10:21:58.820139  # [   66.302500] Warning message trigger count: 2

 1651 10:21:58.867076  # [   66.309872] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 1652 10:21:58.867569  # [   66.341842] CPU: 3 PID: 807 Comm: cat Tainted: G      D W         5.10.182-cip34 #1

 1653 10:21:58.867880  # [   66.352575] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 1654 10:21:58.868159  # [   66.362226] Backtrace: 

 1655 10:21:58.868425  # [   66.367813] [<c137cc4c>] (dump_backtrace) from [<c137d00c>] (show_stack+0x20/0x24)

 1656 10:21:58.868691  # [   66.378495]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fdf8

 1657 10:21:58.911181  # [   66.387281] [<c137cfec>] (show_stack) from [<c1384268>] (dump_stack+0xe0/0x100)

 1658 10:21:58.911664  # [   66.397717] [<c1384188>] (dump_stack) from [<c0356820>] (__warn+0x98/0x14c)

 1659 10:21:58.911996  # [   66.407793]  r9:00000009 r8:c0c54dc8 r7:00000058 r6:00000009 r5:c0c54dc8 r4:c1ad05a4

 1660 10:21:58.912332  # [   66.418665] [<c0356788>] (__warn) from [<c137e148>] (warn_slowpath_fmt+0x8c/0xa8)

 1661 10:21:58.912627  # [   66.429263]  r7:00000058 r6:c1ad05a4 r5:c1ad05c0 r4:c60f4000

 1662 10:21:58.912914  # [   66.438050] [<c137e0c0>] (warn_slowpath_fmt) from [<c0c54dc8>] (lkdtm_WARNING_MESSAGE+0x4c/0x54)

 1663 10:21:58.955047  # [   66.449954]  r9:c1acfef4 r8:c15ebcc8 r7:c60f5f60 r6:00000010 r5:c5db8000 r4:00000003

 1664 10:21:58.955526  # [   66.458564] [<c0c54d7c>] (lkdtm_WARNING_MESSAGE) from [<c0c547ac>] (lkdtm_do_action+0x2c/0x4c)

 1665 10:21:58.955839  # [   66.467448] [<c0c54780>] (lkdtm_do_action) from [<c0c54cac>] (direct_entry+0x120/0x18c)

 1666 10:21:58.956121  # [   66.475729] [<c0c54b8c>] (direct_entry) from [<c07e05cc>] (full_proxy_write+0x64/0x94)

 1667 10:21:58.956391  # [   66.483917]  r9:c60f5f60 r8:c5360b40 r7:00000010 r6:b6e3f000 r5:c64e2f00 r4:c0c54b8c

 1668 10:21:58.999060  # [   66.491939] [<c07e0568>] (full_proxy_write) from [<c059ac18>] (vfs_write+0x10c/0x53c)

 1669 10:21:58.999538  # [   66.500039]  r9:c07e0568 r8:c60f5f60 r7:c2815800 r6:b6e3f000 r5:c64e2f00 r4:00000000

 1670 10:21:58.999872  # [   66.508056] [<c059ab0c>] (vfs_write) from [<c059b1c4>] (ksys_write+0x74/0xec)

 1671 10:21:59.000160  # [   66.515463]  r10:00000004 r9:00000000 r8:00000000 r7:b6e3f000 r6:c60f4000 r5:c64e2f00

 1672 10:21:59.000431  # [   66.523560]  r4:c64e2f00

 1673 10:21:59.000697  # [   66.526369] [<c059b150>] (ksys_write) from [<c059b254>] (sys_write+0x18/0x1c)

 1674 10:21:59.042788  # [   66.533776]  r9:c60f4000 r8:c03002e4 r7:00000004 r6:b6f86e00 r5:00000010 r4:00000010

 1675 10:21:59.042951  # [   66.541795] [<c059b23c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 1676 10:21:59.043027  # [   66.549633] Exception stack(0xc60f5fa8 to 0xc60f5ff0)

 1677 10:21:59.043096  # [   66.554958] 5fa0:                   00000010 00000010 00000001 b6e3f000 00000010 00000000

 1678 10:21:59.043161  # [   66.563408] 5fc0: 00000010 00000010 b6f86e00 00000004 00000001 00000000 00020000 be84fac4

 1679 10:21:59.043226  # [   66.571856] 5fe0: 00000004 be84f7f8 b6ef0d8f b6e777e6

 1680 10:21:59.043287  # [   66.577254] irq event stamp: 0

 1681 10:21:59.087489  # [   66.580592] hardirqs last  enabled at (0): [<00000000>] 0x0

 1682 10:21:59.087965  # [   66.586446] hardirqs last disabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 1683 10:21:59.088271  # [   66.594254] softirqs last  enabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 1684 10:21:59.088553  # [   66.602056] softirqs last disabled at (0): [<00000000>] 0x0

 1685 10:21:59.088822  # [   66.607939] ---[ end trace 184820ef97b03c21 ]---

 1686 10:21:59.089086  # WARNING_MESSAGE: saw 'message trigger': ok

 1687 10:21:59.089343  ok 4 selftests: lkdtm: WARNING_MESSAGE.sh

 1688 10:21:59.089597  # selftests: lkdtm: EXCEPTION.sh

 1689 10:21:59.156143  <6>[   67.014579] lkdtm: Performing direct entry EXCEPTION

 1690 10:21:59.156297  <1>[   67.019965] 8<--- cut here ---

 1691 10:21:59.156361  <1>[   67.023300] Unable to handle kernel NULL pointer dereference at virtual address 00000000

 1692 10:21:59.156421  <1>[   67.031736] pgd = a5c0d3b8

 1693 10:21:59.156479  <1>[   67.034743] [00000000] *pgd=00000000

 1694 10:21:59.156533  <0>[   67.038714] Internal error: Oops: 805 [#2] SMP ARM

 1695 10:21:59.200013  <4>[   67.043786] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 1696 10:21:59.200478  <4>[   67.073106] CPU: 1 PID: 839 Comm: cat Tainted: G      D W         5.10.182-cip34 #1

 1697 10:21:59.200769  <4>[   67.081032] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 1698 10:21:59.201033  <4>[   67.087840] PC is at lkdtm_EXCEPTION+0x18/0x20

 1699 10:21:59.201326  <4>[   67.092558] LR is at lkdtm_do_action+0x2c/0x4c

 1700 10:21:59.243307  <4>[   67.097271] pc : [<c0c54de8>]    lr : [<c0c547ac>]    psr: a00e0013

 1701 10:21:59.243789  <4>[   67.103806] sp : c59c5e58  ip : c59c5e68  fp : c59c5e64

 1702 10:21:59.244097  <4>[   67.109300] r10: 0000000a  r9 : c1acff04  r8 : c15ebcc8

 1703 10:21:59.244378  <4>[   67.114794] r7 : c59c5f60  r6 : 0000000a  r5 : c63e4000  r4 : 00000004

 1704 10:21:59.244649  <4>[   67.121590] r3 : 00000000  r2 : 37da22f9  r1 : ef7965e0  r0 : c15ebce8

 1705 10:21:59.244913  <4>[   67.128387] Flags: NzCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 1706 10:21:59.245172  <4>[   67.135793] Control: 10c5387d  Table: 165b004a  DAC: 00000051

 1707 10:21:59.287092  <0>[   67.141811] Process cat (pid: 839, stack limit = 0xd5382043)

 1708 10:21:59.287571  <0>[   67.147740] Stack: (0xc59c5e58 to 0xc59c6000)

 1709 10:21:59.287889  <0>[   67.152368] 5e40:                                                       c59c5e74 c59c5e68

 1710 10:21:59.288177  <0>[   67.160817] 5e60: c0c547ac c0c54ddc c59c5e9c c59c5e78 c0c54cac c0c5478c c0c54b8c c4772f00

 1711 10:21:59.288447  <0>[   67.169268] 5e80: b6ea5000 0000000a c5360b40 c59c5f60 c59c5ec4 c59c5ea0 c07e05cc c0c54b98

 1712 10:21:59.288712  <0>[   67.177716] 5ea0: 00000000 c4772f00 b6ea5000 c2815800 c59c5f60 c07e0568 c59c5f5c c59c5ec8

 1713 10:21:59.331217  <0>[   67.186166] 5ec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c139fd58 c059b1c4 c59c4000

 1714 10:21:59.331699  <0>[   67.194614] 5ee0: b6ea5000 00020000 00000004 0000000a 0001fff6 c59c5ee0 00000001 b6ea4000

 1715 10:21:59.332014  <0>[   67.203064] 5f00: c64e2000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 1716 10:21:59.332299  <0>[   67.211513] 5f20: 00000000 00000000 c139fd58 37da22f9 c205e4c0 c4772f00 c4772f00 c59c4000

 1717 10:21:59.332569  <0>[   67.219963] 5f40: b6ea5000 00000000 00000000 00000004 c59c5f94 c59c5f60 c059b1c4 c059ab18

 1718 10:21:59.375230  <0>[   67.228414] 5f60: 00000000 00000000 c59c5fac 37da22f9 0000000a 0000000a b6fece00 00000004

 1719 10:21:59.375744  <0>[   67.236863] 5f80: c03002e4 c59c4000 c59c5fa4 c59c5f98 c059b254 c059b15c 00000000 c59c5fa8

 1720 10:21:59.376086  <0>[   67.245312] 5fa0: c03000c0 c059b248 0000000a 0000000a 00000001 b6ea5000 0000000a 00000000

 1721 10:21:59.376393  <0>[   67.253764] 5fc0: 0000000a 0000000a b6fece00 00000004 00000001 00000000 00020000 bec1eac4

 1722 10:21:59.376690  <0>[   67.262213] 5fe0: 00000004 bec1e7f8 b6f56d8f b6edd7e6 800e0030 00000001 00000000 00000000

 1723 10:21:59.376981  <0>[   67.270655] Backtrace: 

 1724 10:21:59.419234  <0>[   67.273387] [<c0c54dd0>] (lkdtm_EXCEPTION) from [<c0c547ac>] (lkdtm_do_action+0x2c/0x4c)

 1725 10:21:59.419749  <0>[   67.281754] [<c0c54780>] (lkdtm_do_action) from [<c0c54cac>] (direct_entry+0x120/0x18c)

 1726 10:21:59.420089  <0>[   67.290039] [<c0c54b8c>] (direct_entry) from [<c07e05cc>] (full_proxy_write+0x64/0x94)

 1727 10:21:59.420399  <0>[   67.298231]  r9:c59c5f60 r8:c5360b40 r7:0000000a r6:b6ea5000 r5:c4772f00 r4:c0c54b8c

 1728 10:21:59.420691  <0>[   67.306256] [<c07e0568>] (full_proxy_write) from [<c059ac18>] (vfs_write+0x10c/0x53c)

 1729 10:21:59.463236  <0>[   67.314359]  r9:c07e0568 r8:c59c5f60 r7:c2815800 r6:b6ea5000 r5:c4772f00 r4:00000000

 1730 10:21:59.463750  <0>[   67.322376] [<c059ab0c>] (vfs_write) from [<c059b1c4>] (ksys_write+0x74/0xec)

 1731 10:21:59.464091  <0>[   67.329784]  r10:00000004 r9:00000000 r8:00000000 r7:b6ea5000 r6:c59c4000 r5:c4772f00

 1732 10:21:59.464396  <0>[   67.337879]  r4:c4772f00

 1733 10:21:59.464687  <0>[   67.340688] [<c059b150>] (ksys_write) from [<c059b254>] (sys_write+0x18/0x1c)

 1734 10:21:59.464974  <0>[   67.348094]  r9:c59c4000 r8:c03002e4 r7:00000004 r6:b6fece00 r5:0000000a r4:0000000a

 1735 10:21:59.507025  <0>[   67.356114] [<c059b23c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 1736 10:21:59.507498  <0>[   67.363950] Exception stack(0xc59c5fa8 to 0xc59c5ff0)

 1737 10:21:59.507564  <0>[   67.369272] 5fa0:                   0000000a 0000000a 00000001 b6ea5000 0000000a 00000000

 1738 10:21:59.507640  <0>[   67.377721] 5fc0: 0000000a 0000000a b6fece00 00000004 00000001 00000000 00020000 bec1eac4

 1739 10:21:59.507738  <0>[   67.386168] 5fe0: 00000004 bec1e7f8 b6f56d8f b6edd7e6

 1740 10:21:59.507808  <0>[   67.391492] Code: e24cb004 e52de004 e8bd4000 e3a03000 (e5833000) 

 1741 10:21:59.507876  <4>[   67.397932] ---[ end trace 184820ef97b03c22 ]---

 1742 10:21:59.550847  # Segmentation fault

 1743 10:21:59.633887  # [   67.014579] lkdtm: Performing direct entry EXCEPTION

 1744 10:21:59.634041  # [   67.019965] 8<--- cut here ---

 1745 10:21:59.634104  # [   67.023300] Unable to handle kernel NULL pointer dereference at virtual address 00000000

 1746 10:21:59.634164  # [   67.031736] pgd = a5c0d3b8

 1747 10:21:59.634221  # [   67.034743] [00000000] *pgd=00000000

 1748 10:21:59.634276  # [   67.038714] Internal error: Oops: 805 [#2] SMP ARM

 1749 10:21:59.676867  # [   67.043786] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 1750 10:21:59.676951  # [   67.073106] CPU: 1 PID: 839 Comm: cat Tainted: G      D W         5.10.182-cip34 #1

 1751 10:21:59.677016  # [   67.081032] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 1752 10:21:59.677076  # [   67.087840] PC is at lkdtm_EXCEPTION+0x18/0x20

 1753 10:21:59.677134  # [   67.092558] LR is at lkdtm_do_action+0x2c/0x4c

 1754 10:21:59.719938  # [   67.097271] pc : [<c0c54de8>]    lr : [<c0c547ac>]    psr: a00e0013

 1755 10:21:59.720019  # [   67.103806] sp : c59c5e58  ip : c59c5e68  fp : c59c5e64

 1756 10:21:59.720083  # [   67.109300] r10: 0000000a  r9 : c1acff04  r8 : c15ebcc8

 1757 10:21:59.720142  # [   67.114794] r7 : c59c5f60  r6 : 0000000a  r5 : c63e4000  r4 : 00000004

 1758 10:21:59.720198  # [   67.121590] r3 : 00000000  r2 : 37da22f9  r1 : ef7965e0  r0 : c15ebce8

 1759 10:21:59.720254  # [   67.128387] Flags: NzCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 1760 10:21:59.720308  # [   67.135793] Control: 10c5387d  Table: 165b004a  DAC: 00000051

 1761 10:21:59.763505  # [   67.141811] Process cat (pid: 839, stack limit = 0xd5382043)

 1762 10:21:59.763954  # [   67.147740] Stack: (0xc59c5e58 to 0xc59c6000)

 1763 10:21:59.764237  # [   67.152368] 5e40:                                                       c59c5e74 c59c5e68

 1764 10:21:59.764496  # [   67.160817] 5e60: c0c547ac c0c54ddc c59c5e9c c59c5e78 c0c54cac c0c5478c c0c54b8c c4772f00

 1765 10:21:59.764744  # [   67.169268] 5e80: b6ea5000 0000000a c5360b40 c59c5f60 c59c5ec4 c59c5ea0 c07e05cc c0c54b98

 1766 10:21:59.764990  # [   67.177716] 5ea0: 00000000 c4772f00 b6ea5000 c2815800 c59c5f60 c07e0568 c59c5f5c c59c5ec8

 1767 10:21:59.807099  # [   67.186166] 5ec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c139fd58 c059b1c4 c59c4000

 1768 10:21:59.807578  # [   67.194614] 5ee0: b6ea5000 00020000 00000004 0000000a 0001fff6 c59c5ee0 00000001 b6ea4000

 1769 10:21:59.807897  # [   67.203064] 5f00: c64e2000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 1770 10:21:59.808179  # [   67.211513] 5f20: 00000000 00000000 c139fd58 37da22f9 c205e4c0 c4772f00 c4772f00 c59c4000

 1771 10:21:59.808446  # [   67.219963] 5f40: b6ea5000 00000000 00000000 00000004 c59c5f94 c59c5f60 c059b1c4 c059ab18

 1772 10:21:59.851111  # [   67.228414] 5f60: 00000000 00000000 c59c5fac 37da22f9 0000000a 0000000a b6fece00 00000004

 1773 10:21:59.851601  # [   67.236863] 5f80: c03002e4 c59c4000 c59c5fa4 c59c5f98 c059b254 c059b15c 00000000 c59c5fa8

 1774 10:21:59.851925  # [   67.245312] 5fa0: c03000c0 c059b248 0000000a 0000000a 00000001 b6ea5000 0000000a 00000000

 1775 10:21:59.852210  # [   67.253764] 5fc0: 0000000a 0000000a b6fece00 00000004 00000001 00000000 00020000 bec1eac4

 1776 10:21:59.852478  # [   67.262213] 5fe0: 00000004 bec1e7f8 b6f56d8f b6edd7e6 800e0030 00000001 00000000 00000000

 1777 10:21:59.852742  # [   67.270655] Backtrace: 

 1778 10:21:59.895247  # [   67.273387] [<c0c54dd0>] (lkdtm_EXCEPTION) from [<c0c547ac>] (lkdtm_do_action+0x2c/0x4c)

 1779 10:21:59.895725  # [   67.281754] [<c0c54780>] (lkdtm_do_action) from [<c0c54cac>] (direct_entry+0x120/0x18c)

 1780 10:21:59.896036  # [   67.290039] [<c0c54b8c>] (direct_entry) from [<c07e05cc>] (full_proxy_write+0x64/0x94)

 1781 10:21:59.896317  # [   67.298231]  r9:c59c5f60 r8:c5360b40 r7:0000000a r6:b6ea5000 r5:c4772f00 r4:c0c54b8c

 1782 10:21:59.896637  # [   67.306256] [<c07e0568>] (full_proxy_write) from [<c059ac18>] (vfs_write+0x10c/0x53c)

 1783 10:21:59.939118  # [   67.314359]  r9:c07e0568 r8:c59c5f60 r7:c2815800 r6:b6ea5000 r5:c4772f00 r4:00000000

 1784 10:21:59.939596  # [   67.322376] [<c059ab0c>] (vfs_write) from [<c059b1c4>] (ksys_write+0x74/0xec)

 1785 10:21:59.939908  # [   67.329784]  r10:00000004 r9:00000000 r8:00000000 r7:b6ea5000 r6:c59c4000 r5:c4772f00

 1786 10:21:59.940191  # [   67.337879]  r4:c4772f00

 1787 10:21:59.940459  # [   67.340688] [<c059b150>] (ksys_write) from [<c059b254>] (sys_write+0x18/0x1c)

 1788 10:21:59.940721  # [   67.348094]  r9:c59c4000 r8:c03002e4 r7:00000004 r6:b6fece00 r5:0000000a r4:0000000a

 1789 10:21:59.940981  # [   67.356114] [<c059b23c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 1790 10:21:59.983072  # [   67.363950] Exception stack(0xc59c5fa8 to 0xc59c5ff0)

 1791 10:21:59.983553  # [   67.369272] 5fa0:                   0000000a 0000000a 00000001 b6ea5000 0000000a 00000000

 1792 10:21:59.983874  # [   67.377721] 5fc0: 0000000a 0000000a b6fece00 00000004 00000001 00000000 00020000 bec1eac4

 1793 10:21:59.984158  # [   67.386168] 5fe0: 00000004 bec1e7f8 b6f56d8f b6edd7e6

 1794 10:21:59.984426  # [   67.391492] Code: e24cb004 e52de004 e8bd4000 e3a03000 (e5833000) 

 1795 10:21:59.984691  # [   67.397932] ---[ end trace 184820ef97b03c22 ]---

 1796 10:21:59.984950  # EXCEPTION: missing 'call trace:': [FAIL]

 1797 10:22:00.027020  not ok 5 selftests: lkdtm: EXCEPTION.sh # exit=1

 1798 10:22:00.027509  # selftests: lkdtm: LOOP.sh

 1799 10:22:00.027810  # Skipping LOOP: Hangs the system

 1800 10:22:00.028090  ok 6 selftests: lkdtm: LOOP.sh # SKIP

 1801 10:22:00.028359  # selftests: lkdtm: EXHAUST_STACK.sh

 1802 10:22:00.181142  # Skipping EXHAUST_STACK: Corrupts memory on failure

 1803 10:22:00.196951  ok 7 selftests: lkdtm: EXHAUST_STACK.sh # SKIP

 1804 10:22:00.212961  # selftests: lkdtm: CORRUPT_STACK.sh

 1805 10:22:00.420508  # Skipping CORRUPT_STACK: Crashes entire system on success

 1806 10:22:00.436424  ok 8 selftests: lkdtm: CORRUPT_STACK.sh # SKIP

 1807 10:22:00.452446  # selftests: lkdtm: CORRUPT_STACK_STRONG.sh

 1808 10:22:00.651025  # Skipping CORRUPT_STACK_STRONG: Crashes entire system on success

 1809 10:22:00.651532  ok 9 selftests: lkdtm: CORRUPT_STACK_STRONG.sh # SKIP

 1810 10:22:00.682941  # selftests: lkdtm: CORRUPT_LIST_ADD.sh

 1811 10:22:00.948009  <6>[   68.818409] lkdtm: Performing direct entry CORRUPT_LIST_ADD

 1812 10:22:00.948483  <6>[   68.824267] lkdtm: attempting good list addition

 1813 10:22:00.948781  <6>[   68.829233] lkdtm: attempting corrupted list addition

 1814 10:22:00.949054  <3>[   68.834562] lkdtm: list_add() corruption not detected!

 1815 10:22:01.029050  # [   68.818409] lkdtm: Performing direct entry CORRUPT_LIST_ADD

 1816 10:22:01.029488  # [   68.824267] lkdtm: attempting good list addition

 1817 10:22:01.029765  # [   68.829233] lkdtm: attempting corrupted list addition

 1818 10:22:01.030015  # [   68.834562] lkdtm: list_add() corruption not detected!

 1819 10:22:01.045045  # CORRUPT_LIST_ADD: missing 'list_add corruption': [FAIL]

 1820 10:22:01.076927  not ok 10 selftests: lkdtm: CORRUPT_LIST_ADD.sh # exit=1

 1821 10:22:01.108900  # selftests: lkdtm: CORRUPT_LIST_DEL.sh

 1822 10:22:01.380118  <6>[   69.249609] lkdtm: Performing direct entry CORRUPT_LIST_DEL

 1823 10:22:01.380597  <6>[   69.255494] lkdtm: attempting good list removal

 1824 10:22:01.380903  <6>[   69.260419] lkdtm: attempting corrupted list removal

 1825 10:22:01.381181  <3>[   69.265684] lkdtm: list_del() corruption not detected!

 1826 10:22:01.462009  # [   69.249609] lkdtm: Performing direct entry CORRUPT_LIST_DEL

 1827 10:22:01.462515  # [   69.255494] lkdtm: attempting good list removal

 1828 10:22:01.462876  # [   69.260419] lkdtm: attempting corrupted list removal

 1829 10:22:01.463182  # [   69.265684] lkdtm: list_del() corruption not detected!

 1830 10:22:01.493843  # CORRUPT_LIST_DEL: missing 'list_del corruption': [FAIL]

 1831 10:22:01.509834  not ok 11 selftests: lkdtm: CORRUPT_LIST_DEL.sh # exit=1

 1832 10:22:01.557768  # selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh

 1833 10:22:01.820809  <6>[   69.690565] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING

 1834 10:22:01.821007  <6>[   69.697146] lkdtm: attempting bad read from page below current stack

 1835 10:22:01.821121  <3>[   69.703892] lkdtm: FAIL: accessed page before stack! (byte: 22)

 1836 10:22:01.900906  # [   69.690565] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING

 1837 10:22:01.901413  # [   69.697146] lkdtm: attempting bad read from page below current stack

 1838 10:22:01.901748  # [   69.703892] lkdtm: FAIL: accessed page before stack! (byte: 22)

 1839 10:22:01.916610  # STACK_GUARD_PAGE_LEADING: missing 'call trace:': [FAIL]

 1840 10:22:01.954749  not ok 12 selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh # exit=1

 1841 10:22:01.986690  # selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh

 1842 10:22:02.241431  <6>[   70.111555] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING

 1843 10:22:02.241589  <6>[   70.118284] lkdtm: attempting bad read from page above current stack

 1844 10:22:02.241654  <3>[   70.124915] lkdtm: FAIL: accessed page after stack! (byte: 0)

 1845 10:22:02.329773  # [   70.111555] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING

 1846 10:22:02.330224  # [   70.118284] lkdtm: attempting bad read from page above current stack

 1847 10:22:02.330519  # [   70.124915] lkdtm: FAIL: accessed page after stack! (byte: 0)

 1848 10:22:02.345836  # STACK_GUARD_PAGE_TRAILING: missing 'call trace:': [FAIL]

 1849 10:22:02.369785  not ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # exit=1

 1850 10:22:02.385784  # selftests: lkdtm: UNSET_SMEP.sh

 1851 10:22:02.634919  <6>[   70.516099] lkdtm: Performing direct entry UNSET_SMEP

 1852 10:22:02.635401  <3>[   70.521518] lkdtm: XFAIL: this test is x86_64-only

 1853 10:22:02.706535  # [   70.516099] lkdtm: Performing direct entry UNSET_SMEP

 1854 10:22:02.706741  # [   70.521518] lkdtm: XFAIL: this test is x86_64-only

 1855 10:22:02.738661  # UNSET_SMEP: saw 'XFAIL': [SKIP]

 1856 10:22:02.754665  ok 14 selftests: lkdtm: UNSET_SMEP.sh # SKIP

 1857 10:22:02.786755  # selftests: lkdtm: DOUBLE_FAULT.sh

 1858 10:22:03.030601  <6>[   70.911237] lkdtm: Performing direct entry DOUBLE_FAULT

 1859 10:22:03.030780  <3>[   70.916748] lkdtm: XFAIL: this test is ia32-only

 1860 10:22:03.104816  # [   70.911237] lkdtm: Performing direct entry DOUBLE_FAULT

 1861 10:22:03.105273  # [   70.916748] lkdtm: XFAIL: this test is ia32-only

 1862 10:22:03.121053  # DOUBLE_FAULT: saw 'XFAIL': [SKIP]

 1863 10:22:03.153011  ok 15 selftests: lkdtm: DOUBLE_FAULT.sh # SKIP

 1864 10:22:03.184819  # selftests: lkdtm: CORRUPT_PAC.sh

 1865 10:22:03.419206  <6>[   71.299963] lkdtm: Performing direct entry CORRUPT_PAC

 1866 10:22:03.419715  <3>[   71.305387] lkdtm: XFAIL: this test is arm64-only

 1867 10:22:03.489125  # [   71.299963] lkdtm: Performing direct entry CORRUPT_PAC

 1868 10:22:03.489637  # [   71.305387] lkdtm: XFAIL: this test is arm64-only

 1869 10:22:03.521154  # CORRUPT_PAC: saw 'XFAIL': [SKIP]

 1870 10:22:03.537103  ok 16 selftests: lkdtm: CORRUPT_PAC.sh # SKIP

 1871 10:22:03.568984  # selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh

 1872 10:22:03.819249  <6>[   71.694372] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE

 1873 10:22:03.819743  <3>[   71.701150] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS

 1874 10:22:03.894162  # [   71.694372] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE

 1875 10:22:03.894697  # [   71.701150] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS

 1876 10:22:03.926189  # UNALIGNED_LOAD_STORE_WRITE: saw 'XFAIL': [SKIP]

 1877 10:22:03.956044  ok 17 selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh # SKIP

 1878 10:22:03.987950  # selftests: lkdtm: OVERWRITE_ALLOCATION.sh

 1879 10:22:04.163539  # Skipping OVERWRITE_ALLOCATION: Corrupts memory on failure

 1880 10:22:04.179469  ok 18 selftests: lkdtm: OVERWRITE_ALLOCATION.sh # SKIP

 1881 10:22:04.211472  # selftests: lkdtm: WRITE_AFTER_FREE.sh

 1882 10:22:04.387164  # Skipping WRITE_AFTER_FREE: Corrupts memory on failure

 1883 10:22:04.403161  ok 19 selftests: lkdtm: WRITE_AFTER_FREE.sh # SKIP

 1884 10:22:04.435038  # selftests: lkdtm: READ_AFTER_FREE.sh

 1885 10:22:04.683218  <6>[   72.553293] lkdtm: Performing direct entry READ_AFTER_FREE

 1886 10:22:04.683699  <6>[   72.559159] lkdtm: Value in memory before free: 12345678

 1887 10:22:04.684006  <6>[   72.564751] lkdtm: Attempting bad read from freed memory

 1888 10:22:04.684280  <6>[   72.570377] lkdtm: Memory was not poisoned

 1889 10:22:04.765028  # [   72.553293] lkdtm: Performing direct entry READ_AFTER_FREE

 1890 10:22:04.765507  # [   72.559159] lkdtm: Value in memory before free: 12345678

 1891 10:22:04.765807  # [   72.564751] lkdtm: Attempting bad read from freed memory

 1892 10:22:04.766086  # [   72.570377] lkdtm: Memory was not poisoned

 1893 10:22:04.797184  # READ_AFTER_FREE: missing 'call trace:': [FAIL]

 1894 10:22:04.813225  not ok 20 selftests: lkdtm: READ_AFTER_FREE.sh # exit=1

 1895 10:22:04.861063  # selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh

 1896 10:22:05.062265  # Skipping WRITE_BUDDY_AFTER_FREE: Corrupts memory on failure

 1897 10:22:05.062447  ok 21 selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # SKIP

 1898 10:22:05.078547  # selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh

 1899 10:22:05.333805  <6>[   73.201838] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE

 1900 10:22:05.334287  <6>[   73.208278] lkdtm: Value in memory before free: 12345678

 1901 10:22:05.334589  <6>[   73.213892] lkdtm: Attempting to read from freed memory

 1902 10:22:05.334895  <6>[   73.219496] lkdtm: Buddy page was not poisoned

 1903 10:22:05.429743  # [   73.201838] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE

 1904 10:22:05.430226  # [   73.208278] lkdtm: Value in memory before free: 12345678

 1905 10:22:05.430527  # [   73.213892] lkdtm: Attempting to read from freed memory

 1906 10:22:05.430875  # [   73.219496] lkdtm: Buddy page was not poisoned

 1907 10:22:05.445491  # READ_BUDDY_AFTER_FREE: missing 'call trace:': [FAIL]

 1908 10:22:05.477626  not ok 22 selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh # exit=1

 1909 10:22:05.509520  # selftests: lkdtm: SLAB_FREE_DOUBLE.sh

 1910 10:22:05.759276  <6>[   73.635412] lkdtm: Performing direct entry SLAB_FREE_DOUBLE

 1911 10:22:05.759425  <6>[   73.641480] lkdtm: Attempting double slab free ...

 1912 10:22:05.837784  # [   73.635412] lkdtm: Performing direct entry SLAB_FREE_DOUBLE

 1913 10:22:05.838267  # [   73.641480] lkdtm: Attempting double slab free ...

 1914 10:22:05.869729  # SLAB_FREE_DOUBLE: missing 'call trace:': [FAIL]

 1915 10:22:05.901536  not ok 23 selftests: lkdtm: SLAB_FREE_DOUBLE.sh # exit=1

 1916 10:22:05.933529  # selftests: lkdtm: SLAB_FREE_CROSS.sh

 1917 10:22:06.177796  <6>[   74.058069] lkdtm: Performing direct entry SLAB_FREE_CROSS

 1918 10:22:06.178272  <6>[   74.063853] lkdtm: Attempting cross-cache slab free ...

 1919 10:22:06.254725  # [   74.058069] lkdtm: Performing direct entry SLAB_FREE_CROSS

 1920 10:22:06.255231  # [   74.063853] lkdtm: Attempting cross-cache slab free ...

 1921 10:22:06.286652  # SLAB_FREE_CROSS: missing 'call trace:': [FAIL]

 1922 10:22:06.318510  not ok 24 selftests: lkdtm: SLAB_FREE_CROSS.sh # exit=1

 1923 10:22:06.334255  # selftests: lkdtm: SLAB_FREE_PAGE.sh

 1924 10:22:06.606467  <6>[   74.482721] lkdtm: Performing direct entry SLAB_FREE_PAGE

 1925 10:22:06.606858  <6>[   74.488467] lkdtm: Attempting non-Slab slab free ...

 1926 10:22:06.675641  # [   74.482721] lkdtm: Performing direct entry SLAB_FREE_PAGE

 1927 10:22:06.676120  # [   74.488467] lkdtm: Attempting non-Slab slab free ...

 1928 10:22:06.707411  # SLAB_FREE_PAGE: missing 'call trace:': [FAIL]

 1929 10:22:06.739387  not ok 25 selftests: lkdtm: SLAB_FREE_PAGE.sh # exit=1

 1930 10:22:06.771398  # selftests: lkdtm: SOFTLOCKUP.sh

 1931 10:22:06.962924  # Skipping SOFTLOCKUP: Hangs the system

 1932 10:22:06.963402  ok 26 selftests: lkdtm: SOFTLOCKUP.sh # SKIP

 1933 10:22:06.995022  # selftests: lkdtm: HARDLOCKUP.sh

 1934 10:22:07.201559  # Skipping HARDLOCKUP: Hangs the system

 1935 10:22:07.202050  ok 27 selftests: lkdtm: HARDLOCKUP.sh # SKIP

 1936 10:22:07.217551  # selftests: lkdtm: SPINLOCKUP.sh

 1937 10:22:07.409155  # Skipping SPINLOCKUP: Hangs the system

 1938 10:22:07.425012  ok 28 selftests: lkdtm: SPINLOCKUP.sh # SKIP

 1939 10:22:07.456855  # selftests: lkdtm: HUNG_TASK.sh

 1940 10:22:07.648522  # Skipping HUNG_TASK: Hangs the system

 1941 10:22:07.664255  ok 29 selftests: lkdtm: HUNG_TASK.sh # SKIP

 1942 10:22:07.680399  # selftests: lkdtm: EXEC_DATA.sh

 1943 10:22:07.947142  <6>[   75.804403] lkdtm: Performing direct entry EXEC_DATA

 1944 10:22:07.947295  <6>[   75.809799] lkdtm: attempting ok execution at c0c5551c

 1945 10:22:07.947358  <6>[   75.815241] lkdtm: attempting bad execution at c26f8924

 1946 10:22:07.947449  <1>[   75.820893] 8<--- cut here ---

 1947 10:22:07.947505  <1>[   75.824239] Unable to handle kernel paging request at virtual address c26f8924

 1948 10:22:07.947562  <1>[   75.831744] pgd = 5b6c82ed

 1949 10:22:07.947615  <1>[   75.834722] [c26f8924] *pgd=1261141e(bad)

 1950 10:22:07.947669  <0>[   75.839021] Internal error: Oops: 8000000d [#3] SMP ARM

 1951 10:22:07.990992  <4>[   75.844517] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 1952 10:22:07.991461  <4>[   75.873838] CPU: 3 PID: 1682 Comm: cat Tainted: G      D W         5.10.182-cip34 #1

 1953 10:22:07.991752  <4>[   75.881851] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 1954 10:22:07.992012  <4>[   75.888660] PC is at data_area+0x0/0x40

 1955 10:22:08.034335  <4>[   75.892776] LR is at execute_location+0xa4/0xb4

 1956 10:22:08.034815  <4>[   75.897578] pc : [<c26f8924>]    lr : [<c138a8a0>]    psr: 600e0013

 1957 10:22:08.035104  <4>[   75.904113] sp : c5acde38  ip : c5acdd40  fp : c5acde54

 1958 10:22:08.035365  <4>[   75.909608] r10: 0000000a  r9 : c1ad00e8  r8 : c15ebcc8

 1959 10:22:08.035618  <4>[   75.915102] r7 : c5acdf60  r6 : 00000001  r5 : c26f8924  r4 : c0c5551c

 1960 10:22:08.035863  <4>[   75.921897] r3 : e17235a6  r2 : e17235a6  r1 : ef7c05e0  r0 : 0000002b

 1961 10:22:08.077603  <4>[   75.928694] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 1962 10:22:08.078087  <4>[   75.936098] Control: 10c5387d  Table: 1581004a  DAC: 00000051

 1963 10:22:08.078396  <0>[   75.942115] Process cat (pid: 1682, stack limit = 0xd2d37779)

 1964 10:22:08.078704  <0>[   75.948130] Stack: (0xc5acde38 to 0xc5ace000)

 1965 10:22:08.078977  <0>[   75.952756] de20:                                                       0000001f c646e000

 1966 10:22:08.079242  <0>[   75.961207] de40: 0000000a c5acdf60 c5acde64 c5acde58 c138aa0c c138a808 c5acde74 c5acde68

 1967 10:22:08.079500  <0>[   75.969658] de60: c0c547ac c138a9f4 c5acde9c c5acde78 c0c54cac c0c5478c c0c54b8c c64e3680

 1968 10:22:08.120735  <0>[   75.978108] de80: b6e0b000 0000000a c5360b40 c5acdf60 c5acdec4 c5acdea0 c07e05cc c0c54b98

 1969 10:22:08.121217  <0>[   75.986556] dea0: 00000000 c64e3680 b6e0b000 c2815800 c5acdf60 c07e0568 c5acdf5c c5acdec8

 1970 10:22:08.121526  <0>[   75.995005] dec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c139fd58 c059b1c4 c5acc000

 1971 10:22:08.121807  <0>[   76.003454] dee0: b6e0b000 00020000 00000004 0000000a 0001fff6 c5acdee0 00000001 b6e0a000

 1972 10:22:08.122074  <0>[   76.011902] df00: c5bf5e00 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 1973 10:22:08.163959  <0>[   76.020354] df20: 00000000 00000000 c139fd58 e17235a6 c205e4c0 c64e3680 c64e3680 c5acc000

 1974 10:22:08.164446  <0>[   76.028803] df40: b6e0b000 00000000 00000000 00000004 c5acdf94 c5acdf60 c059b1c4 c059ab18

 1975 10:22:08.164758  <0>[   76.037252] df60: 00000000 00000000 c5acdfac e17235a6 0000000a 0000000a b6f52e00 00000004

 1976 10:22:08.165040  <0>[   76.045702] df80: c03002e4 c5acc000 c5acdfa4 c5acdf98 c059b254 c059b15c 00000000 c5acdfa8

 1977 10:22:08.165310  <0>[   76.054150] dfa0: c03000c0 c059b248 0000000a 0000000a 00000001 b6e0b000 0000000a 00000000

 1978 10:22:08.207259  <0>[   76.062601] dfc0: 0000000a 0000000a b6f52e00 00000004 00000001 00000000 00020000 bebd0ac4

 1979 10:22:08.207743  <0>[   76.071050] dfe0: 00000004 bebd07f8 b6ebcd8f b6e437e6 800e0030 00000001 00000000 00000000

 1980 10:22:08.208051  <0>[   76.079495] Backtrace: 

 1981 10:22:08.208330  <0>[   76.082228] [<c138a7fc>] (execute_location) from [<c138aa0c>] (lkdtm_EXEC_DATA+0x24/0x28)

 1982 10:22:08.208601  <0>[   76.090680]  r7:c5acdf60 r6:0000000a r5:c646e000 r4:0000001f

 1983 10:22:08.208866  <0>[   76.096619] [<c138a9e8>] (lkdtm_EXEC_DATA) from [<c0c547ac>] (lkdtm_do_action+0x2c/0x4c)

 1984 10:22:08.250495  <0>[   76.104985] [<c0c54780>] (lkdtm_do_action) from [<c0c54cac>] (direct_entry+0x120/0x18c)

 1985 10:22:08.251011  <0>[   76.113269] [<c0c54b8c>] (direct_entry) from [<c07e05cc>] (full_proxy_write+0x64/0x94)

 1986 10:22:08.251322  <0>[   76.121459]  r9:c5acdf60 r8:c5360b40 r7:0000000a r6:b6e0b000 r5:c64e3680 r4:c0c54b8c

 1987 10:22:08.251602  <0>[   76.129484] [<c07e0568>] (full_proxy_write) from [<c059ac18>] (vfs_write+0x10c/0x53c)

 1988 10:22:08.251870  <0>[   76.137585]  r9:c07e0568 r8:c5acdf60 r7:c2815800 r6:b6e0b000 r5:c64e3680 r4:00000000

 1989 10:22:08.293325  <0>[   76.145602] [<c059ab0c>] (vfs_write) from [<c059b1c4>] (ksys_write+0x74/0xec)

 1990 10:22:08.293492  <0>[   76.153010]  r10:00000004 r9:00000000 r8:00000000 r7:b6e0b000 r6:c5acc000 r5:c64e3680

 1991 10:22:08.293572  <0>[   76.161106]  r4:c64e3680

 1992 10:22:08.293645  <0>[   76.163914] [<c059b150>] (ksys_write) from [<c059b254>] (sys_write+0x18/0x1c)

 1993 10:22:08.293714  <0>[   76.171322]  r9:c5acc000 r8:c03002e4 r7:00000004 r6:b6f52e00 r5:0000000a r4:0000000a

 1994 10:22:08.293783  <0>[   76.179343] [<c059b23c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 1995 10:22:08.293849  <0>[   76.187182] Exception stack(0xc5acdfa8 to 0xc5acdff0)

 1996 10:22:08.342389  <0>[   76.192507] dfa0:                   0000000a 0000000a 00000001 b6e0b000 0000000a 00000000

 1997 10:22:08.342555  <0>[   76.200959] dfc0: 0000000a 0000000a b6f52e00 00000004 00000001 00000000 00020000 bebd0ac4

 1998 10:22:08.342665  <0>[   76.209405] dfe0: 00000004 bebd07f8 b6ebcd8f b6e437e6

 1999 10:22:08.342739  <0>[   76.214731] Code: 00000000 c40089c0 c4008a80 c4008b40 (e1a0c00d) 

 2000 10:22:08.342833  <4>[   76.221098] ---[ end trace 184820ef97b03c23 ]---

 2001 10:22:08.342887  # Segmentation fault

 2002 10:22:08.453442  # [   75.804403] lkdtm: Performing direct entry EXEC_DATA

 2003 10:22:08.453634  # [   75.809799] lkdtm: attempting ok execution at c0c5551c

 2004 10:22:08.453698  # [   75.815241] lkdtm: attempting bad execution at c26f8924

 2005 10:22:08.453770  # [   75.820893] 8<--- cut here ---

 2006 10:22:08.453826  # [   75.824239] Unable to handle kernel paging request at virtual address c26f8924

 2007 10:22:08.453881  # [   75.831744] pgd = 5b6c82ed

 2008 10:22:08.453950  # [   75.834722] [c26f8924] *pgd=1261141e(bad)

 2009 10:22:08.454031  # [   75.839021] Internal error: Oops: 8000000d [#3] SMP ARM

 2010 10:22:08.496422  # [   75.844517] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 2011 10:22:08.496548  # [   75.873838] CPU: 3 PID: 1682 Comm: cat Tainted: G      D W         5.10.182-cip34 #1

 2012 10:22:08.496626  # [   75.881851] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 2013 10:22:08.539525  # [   75.888660] PC is at data_area+0x0/0x40

 2014 10:22:08.539603  # [   75.892776] LR is at execute_location+0xa4/0xb4

 2015 10:22:08.539703  # [   75.897578] pc : [<c26f8924>]    lr : [<c138a8a0>]    psr: 600e0013

 2016 10:22:08.539760  # [   75.904113] sp : c5acde38  ip : c5acdd40  fp : c5acde54

 2017 10:22:08.539816  # [   75.909608] r10: 0000000a  r9 : c1ad00e8  r8 : c15ebcc8

 2018 10:22:08.539894  # [   75.915102] r7 : c5acdf60  r6 : 00000001  r5 : c26f8924  r4 : c0c5551c

 2019 10:22:08.539960  # [   75.921897] r3 : e17235a6  r2 : e17235a6  r1 : ef7c05e0  r0 : 0000002b

 2020 10:22:08.540049  # [   75.928694] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 2021 10:22:08.582994  # [   75.936098] Control: 10c5387d  Table: 1581004a  DAC: 00000051

 2022 10:22:08.583188  # [   75.942115] Process cat (pid: 1682, stack limit = 0xd2d37779)

 2023 10:22:08.583291  # [   75.948130] Stack: (0xc5acde38 to 0xc5ace000)

 2024 10:22:08.583384  # [   75.952756] de20:                                                       0000001f c646e000

 2025 10:22:08.583472  # [   75.961207] de40: 0000000a c5acdf60 c5acde64 c5acde58 c138aa0c c138a808 c5acde74 c5acde68

 2026 10:22:08.583560  # [   75.969658] de60: c0c547ac c138a9f4 c5acde9c c5acde78 c0c54cac c0c5478c c0c54b8c c64e3680

 2027 10:22:08.626052  # [   75.978108] de80: b6e0b000 0000000a c5360b40 c5acdf60 c5acdec4 c5acdea0 c07e05cc c0c54b98

 2028 10:22:08.626508  # [   75.986556] dea0: 00000000 c64e3680 b6e0b000 c2815800 c5acdf60 c07e0568 c5acdf5c c5acdec8

 2029 10:22:08.626819  # [   75.995005] dec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c139fd58 c059b1c4 c5acc000

 2030 10:22:08.627083  # [   76.003454] dee0: b6e0b000 00020000 00000004 0000000a 0001fff6 c5acdee0 00000001 b6e0a000

 2031 10:22:08.627330  # [   76.011902] df00: c5bf5e00 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 2032 10:22:08.669275  # [   76.020354] df20: 00000000 00000000 c139fd58 e17235a6 c205e4c0 c64e3680 c64e3680 c5acc000

 2033 10:22:08.669734  # [   76.028803] df40: b6e0b000 00000000 00000000 00000004 c5acdf94 c5acdf60 c059b1c4 c059ab18

 2034 10:22:08.670046  # [   76.037252] df60: 00000000 00000000 c5acdfac e17235a6 0000000a 0000000a b6f52e00 00000004

 2035 10:22:08.670307  # [   76.045702] df80: c03002e4 c5acc000 c5acdfa4 c5acdf98 c059b254 c059b15c 00000000 c5acdfa8

 2036 10:22:08.670554  # [   76.054150] dfa0: c03000c0 c059b248 0000000a 0000000a 00000001 b6e0b000 0000000a 00000000

 2037 10:22:08.712185  # [   76.062601] dfc0: 0000000a 0000000a b6f52e00 00000004 00000001 00000000 00020000 bebd0ac4

 2038 10:22:08.712675  # [   76.071050] dfe0: 00000004 bebd07f8 b6ebcd8f b6e437e6 800e0030 00000001 00000000 00000000

 2039 10:22:08.712987  # [   76.079495] Backtrace: 

 2040 10:22:08.713269  # [   76.082228] [<c138a7fc>] (execute_location) from [<c138aa0c>] (lkdtm_EXEC_DATA+0x24/0x28)

 2041 10:22:08.713540  # [   76.090680]  r7:c5acdf60 r6:0000000a r5:c646e000 r4:0000001f

 2042 10:22:08.713804  # [   76.096619] [<c138a9e8>] (lkdtm_EXEC_DATA) from [<c0c547ac>] (lkdtm_do_action+0x2c/0x4c)

 2043 10:22:08.755479  # [   76.104985] [<c0c54780>] (lkdtm_do_action) from [<c0c54cac>] (direct_entry+0x120/0x18c)

 2044 10:22:08.755963  # [   76.113269] [<c0c54b8c>] (direct_entry) from [<c07e05cc>] (full_proxy_write+0x64/0x94)

 2045 10:22:08.756272  # [   76.121459]  r9:c5acdf60 r8:c5360b40 r7:0000000a r6:b6e0b000 r5:c64e3680 r4:c0c54b8c

 2046 10:22:08.756552  # [   76.129484] [<c07e0568>] (full_proxy_write) from [<c059ac18>] (vfs_write+0x10c/0x53c)

 2047 10:22:08.756820  # [   76.137585]  r9:c07e0568 r8:c5acdf60 r7:c2815800 r6:b6e0b000 r5:c64e3680 r4:00000000

 2048 10:22:08.757081  # [   76.145602] [<c059ab0c>] (vfs_write) from [<c059b1c4>] (ksys_write+0x74/0xec)

 2049 10:22:08.803034  # [   76.153010]  r10:00000004 r9:00000000 r8:00000000 r7:b6e0b000 r6:c5acc000 r5:c64e3680

 2050 10:22:08.803218  # [   76.161106]  r4:c64e3680

 2051 10:22:08.803309  # [   76.163914] [<c059b150>] (ksys_write) from [<c059b254>] (sys_write+0x18/0x1c)

 2052 10:22:08.803394  # [   76.171322]  r9:c5acc000 r8:c03002e4 r7:00000004 r6:b6f52e00 r5:0000000a r4:0000000a

 2053 10:22:08.803476  # [   76.179343] [<c059b23c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 2054 10:22:08.803556  # [   76.187182] Exception stack(0xc5acdfa8 to 0xc5acdff0)

 2055 10:22:08.803632  # [<6>[   76.692630] lkdtm: Performing direct entry EXEC_STACK

 2056 10:22:08.847079     76.192507] dfa0:              <6>[   76.699863] lkdtm: attempting ok execution at c0c5551c

 2057 10:22:08.847387       0000000a 0000000a 00000001 b<6>[   76.708052] lkdtm: attempting bad execution at c478fe0c

 2058 10:22:08.847576  6e0b000 0000000a 00000000

 2059 10:22:08.847751  <

 2060 10:22:08.847911  1#> [   76.716362] 8<--- cut here ---

 2061 10:22:08.848070     76.200959] d<f1c>0[:   0 07060722187] Unable to handle kernel paging request at virtual address c478fe0c

 2062 10:22:08.848225  000a 0000000a b<61f>5[2 e 0 07 60731666] pgd = b830ece1

 2063 10:22:08.891195  0000004 00000001 00000000 00020<0>[   76.736627] [c478fe0c] *pgd=1461141e(bad)

 2064 10:22:08.891686  00 bebd0ac4

 2065 10:22:08.892005  # [   76.<200>9[4 0  76.743592] Internal error: Oops: 8000000d [#4] SMP ARM

 2066 10:22:08.892294  ] dfe0: 00000004 bebd07f8 b6ebcd8<4>[   76.751415] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 2067 10:22:08.892579  f b6e437e6

 2068 10:22:08.935297  # [   76.214<743>1[]   76.783380] CPU: 2 PID: 1758 Comm: cat Tainted: G      D W         5.10.182-cip34 #1

 2069 10:22:08.935783  Code: 00000000< 4c>4[0 0 8 97c60.793805] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 2070 10:22:08.936101  c4008a80 c4008b40 <(4e>1[a 0 c 076.802592] PC is at 0xc478fe0c

 2071 10:22:08.936384  d) 

 2072 10:22:08.936652  # [   76.221098] ---[ end <t>[   76.808171] LR is at execute_location+0xa4/0xb4

 2073 10:22:08.936922  race 184820ef9<74b>0[3 c 2 37 6].815639] pc : [<c478fe0c>]    lr : [<c138a8a0>]    psr: 600e0013

 2074 10:22:08.937189  --

 2075 10:22:08.979046  # EXEC_D<A4T>A[:    m7i6s.s8i4159] sp : c478fde8  ip : 00000027  fp : c478fe04

 2076 10:22:08.979221  ng 'call trac<e4:>'[:   [ F7A6I.L31466] r10: 0000000b  r9 : c1ad00f4  r8 : c15ebcc8

 2077 10:22:08.979306  ]

 2078 10:22:08.979382  not ok 30 s<e4l>f[t e s t7s6:.838860] r7 : c478ff60  r6 : 00000001  r5 : c478fe0c  r4 : c0c5551c

 2079 10:22:08.979457  lkdtm: EXEC_DA<T4A>.[s h   #7 6e.847641] r3 : 574ba5ec  r2 : 574ba5ec  r1 : ef7ab5e4  r0 : 0000002b

 2080 10:22:08.979529  it=1

 2081 10:22:08.979599  # selftests:< 4l>[k d t m7:.856425] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 2082 10:22:08.979670   EXEC_STACK.sh<

 2083 10:22:08.979737  4

 2084 10:22:09.023052  >[   76.865899] Control: 10c5387d  Table: 160c804a  DAC: 00000051

 2085 10:22:09.023315  <0>[   76.873292] Process cat (pid: 1758, stack limit = 0x469a8104)

 2086 10:22:09.023470  <0>[   76.879308] Stack: (0xc478fde8 to 0xc4790000)

 2087 10:22:09.023611  <0>[   76.883940] fde0:                   c478e000 c5c11000 0000000b c478ff60 c478fe64 c478fe08

 2088 10:22:09.023746  <0>[   76.892390] fe00: c138aa48 c138a808 c478fe6c e1a0c00d e92dd800 e24cb004 e52de004 e8bd4000

 2089 10:22:09.023878  <0>[   76.900840] fe20: e89da800 e1a0c00d e92dd830 e24cb004 e52de004 e8bd4000 e3003374 e34c31b8

 2090 10:22:09.067299  <0>[   76.909290] fe40: e3a02040 e3a01d33 e5930018 574ba5ec 0000000b 00000020 c478fe74 c478fe68

 2091 10:22:09.067814  <0>[   76.917739] fe60: c0c547ac c138aa1c c478fe9c c478fe78 c0c54cac c0c5478c c0c54b8c c5a9edc0

 2092 10:22:09.068152  <0>[   76.926188] fe80: b6eb4000 0000000b c5360b40 c478ff60 c478fec4 c478fea0 c07e05cc c0c54b98

 2093 10:22:09.068456  <0>[   76.934637] fea0: 00000000 c5a9edc0 b6eb4000 c2815800 c478ff60 c07e0568 c478ff5c c478fec8

 2094 10:22:09.068747  <0>[   76.943087] fec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c139fd58 c059b1c4 c478e000

 2095 10:22:09.111312  <0>[   76.951535] fee0: b6eb4000 00020000 00000004 0000000b 0001fff5 c478fee0 00000001 b6eb3000

 2096 10:22:09.111834  <0>[   76.959984] ff00: c64e32c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 2097 10:22:09.112171  <0>[   76.968432] ff20: 00000000 00000000 c139fd58 574ba5ec c205e4c0 c5a9edc0 c5a9edc0 c478e000

 2098 10:22:09.112475  <0>[   76.976881] ff40: b6eb4000 00000000 00000000 00000004 c478ff94 c478ff60 c059b1c4 c059ab18

 2099 10:22:09.112768  <0>[   76.985330] ff60: 00000000 00000000 c478ffac 574ba5ec 0000000b 0000000b b6ffbe00 00000004

 2100 10:22:09.113051  <0>[   76.993778] ff80: c03002e4 c478e000 c478ffa4 c478ff98 c059b254 c059b15c 00000000 c478ffa8

 2101 10:22:09.155303  <0>[   77.002226] ffa0: c03000c0 c059b248 0000000b 0000000b 00000001 b6eb4000 0000000b 00000000

 2102 10:22:09.155818  <0>[   77.010675] ffc0: 0000000b 0000000b b6ffbe00 00000004 00000001 00000000 00020000 be942ac4

 2103 10:22:09.156163  <0>[   77.019123] ffe0: 00000004 be9427f8 b6f65d8f b6eec7e6 800e0030 00000001 00000000 00000000

 2104 10:22:09.156469  <0>[   77.027565] Backtrace: 

 2105 10:22:09.156757  <0>[   77.030300] [<c138a7fc>] (execute_location) from [<c138aa48>] (lkdtm_EXEC_STACK+0x38/0x54)

 2106 10:22:09.157043  <0>[   77.038838]  r7:c478ff60 r6:0000000b r5:c5c11000 r4:c478e000

 2107 10:22:09.199317  <0>[   77.044774] [<c138aa10>] (lkdtm_EXEC_STACK) from [<c0c547ac>] (lkdtm_do_action+0x2c/0x4c)

 2108 10:22:09.199832  <0>[   77.053219]  r4:00000020

 2109 10:22:09.200169  <0>[   77.056026] [<c0c54780>] (lkdtm_do_action) from [<c0c54cac>] (direct_entry+0x120/0x18c)

 2110 10:22:09.200477  <0>[   77.064310] [<c0c54b8c>] (direct_entry) from [<c07e05cc>] (full_proxy_write+0x64/0x94)

 2111 10:22:09.200773  <0>[   77.072501]  r9:c478ff60 r8:c5360b40 r7:0000000b r6:b6eb4000 r5:c5a9edc0 r4:c0c54b8c

 2112 10:22:09.201062  <0>[   77.080523] [<c07e0568>] (full_proxy_write) from [<c059ac18>] (vfs_write+0x10c/0x53c)

 2113 10:22:09.243229  <0>[   77.088625]  r9:c07e0568 r8:c478ff60 r7:c2815800 r6:b6eb4000 r5:c5a9edc0 r4:00000000

 2114 10:22:09.243743  <0>[   77.096641] [<c059ab0c>] (vfs_write) from [<c059b1c4>] (ksys_write+0x74/0xec)

 2115 10:22:09.244083  <0>[   77.104049]  r10:00000004 r9:00000000 r8:00000000 r7:b6eb4000 r6:c478e000 r5:c5a9edc0

 2116 10:22:09.244389  <0>[   77.112145]  r4:c5a9edc0

 2117 10:22:09.244677  <0>[   77.114953] [<c059b150>] (ksys_write) from [<c059b254>] (sys_write+0x18/0x1c)

 2118 10:22:09.244962  <0>[   77.122360]  r9:c478e000 r8:c03002e4 r7:00000004 r6:b6ffbe00 r5:0000000b r4:0000000b

 2119 10:22:09.286732  <0>[   77.130380] [<c059b23c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 2120 10:22:09.286883  <0>[   77.138216] Exception stack(0xc478ffa8 to 0xc478fff0)

 2121 10:22:09.286974  <0>[   77.143537] ffa0:                   0000000b 0000000b 00000001 b6eb4000 0000000b 00000000

 2122 10:22:09.287033  <0>[   77.151987] ffc0: 0000000b 0000000b b6ffbe00 00000004 00000001 00000000 00020000 be942ac4

 2123 10:22:09.287089  <0>[   77.160433] ffe0: 00000004 be9427f8 b6f65d8f b6eec7e6

 2124 10:22:09.287171  <0>[   77.165756] Code: c478fe08 c138aa48 c138a808 c478fe6c (e1a0c00d) 

 2125 10:22:09.330695  <4>[   77.172124] ---[ end trace 184820ef97b03c24 ]---

 2126 10:22:09.330774  # Segmentation fault

 2127 10:22:09.433426  # [   76.692630] lkdtm: Performing direct entry EXEC_STACK

 2128 10:22:09.433574  # [   76.699863] lkdtm: attempting ok execution at c0c5551c

 2129 10:22:09.433650  # [   76.708052] lkdtm: attempting bad execution at c478fe0c

 2130 10:22:09.433724  # [   76.716362] 8<--- cut here ---

 2131 10:22:09.433779  # [   76.722187] Unable to handle kernel paging request at virtual address c478fe0c

 2132 10:22:09.433834  # [   76.731666] pgd = b830ece1

 2133 10:22:09.433887  # [   76.736627] [c478fe0c] *pgd=1461141e(bad)

 2134 10:22:09.433939  # [   76.743592] Internal error: Oops: 8000000d [#4] SMP ARM

 2135 10:22:09.476416  # [   76.751415] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 2136 10:22:09.476498  # [   76.783380] CPU: 2 PID: 1758 Comm: cat Tainted: G      D W         5.10.182-cip34 #1

 2137 10:22:09.476561  # [   76.793805] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 2138 10:22:09.476619  # [   76.802592] PC is at 0xc478fe0c

 2139 10:22:09.519407  # [   76.808171] LR is at execute_location+0xa4/0xb4

 2140 10:22:09.519486  # [   76.815639] pc : [<c478fe0c>]    lr : [<c138a8a0>]    psr: 600e0013

 2141 10:22:09.519549  # [   76.824159] sp : c478fde8  ip : 00000027  fp : c478fe04

 2142 10:22:09.519606  # [   76.831466] r10: 0000000b  r9 : c1ad00f4  r8 : c15ebcc8

 2143 10:22:09.519661  # [   76.838860] r7 : c478ff60  r6 : 00000001  r5 : c478fe0c  r4 : c0c5551c

 2144 10:22:09.519715  # [   76.847641] r3 : 574ba5ec  r2 : 574ba5ec  r1 : ef7ab5e4  r0 : 0000002b

 2145 10:22:09.519769  # [   76.856425] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 2146 10:22:09.562664  # [   76.865899] Control: 10c5387d  Table: 160c804a  DAC: 00000051

 2147 10:22:09.562771  # [   76.873292] Process cat (pid: 1758, stack limit = 0x469a8104)

 2148 10:22:09.562896  # [   76.879308] Stack: (0xc478fde8 to 0xc4790000)

 2149 10:22:09.562954  # [   76.883940] fde0:                   c478e000 c5c11000 0000000b c478ff60 c478fe64 c478fe08

 2150 10:22:09.563023  # [   76.892390] fe00: c138aa48 c138a808 c478fe6c e1a0c00d e92dd800 e24cb004 e52de004 e8bd4000

 2151 10:22:09.563100  # [   76.900840] fe20: e89da800 e1a0c00d e92dd830 e24cb004 e52de004 e8bd4000 e3003374 e34c31b8

 2152 10:22:09.606780  # [   76.909290] fe40: e3a02040 e3a01d33 e5930018 574ba5ec 0000000b 00000020 c478fe74 c478fe68

 2153 10:22:09.606875  # [   76.917739] fe60: c0c547ac c138aa1c c478fe9c c478fe78 c0c54cac c0c5478c c0c54b8c c5a9edc0

 2154 10:22:09.606967  # [   76.926188] fe80: b6eb4000 0000000b c5360b40 c478ff60 c478fec4 c478fea0 c07e05cc c0c54b98

 2155 10:22:09.607040  # [   76.934637] fea0: 00000000 c5a9edc0 b6eb4000 c2815800 c478ff60 c07e0568 c478ff5c c478fec8

 2156 10:22:09.607125  # [   76.943087] fec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c139fd58 c059b1c4 c478e000

 2157 10:22:09.654840  # [   76.951535] fee0: b6eb4000 00020000 00000004 0000000b 0001fff5 c478fee0 00000001 b6eb3000

 2158 10:22:09.655067  # [   76.959984] ff00: c64e32c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 2159 10:22:09.655196  # [   76.968432] ff20: 00000000 00000000 c139fd58 574ba5ec c205e4c0 c5a9edc0 c5a9edc0 c478e000

 2160 10:22:09.655320  # [   76.976881] ff40: b6eb4000 00000000 00000000 00000004 c478ff94 c478ff60 c059b1c4 c059ab18

 2161 10:22:09.655432  # [   76.985330] ff60: 00000000 00000000 c478ffac 574ba5ec 0000000b 0000000b b6ffbe00 00000004

 2162 10:22:09.699108  # [   76.993778] ff80: c03002e4 c478e000 c478ffa4 c478ff98 c059b254 c059b15c 00000000 c478ffa8

 2163 10:22:09.699590  # [   77.002226] ffa0: c03000c0 c059b248 0000000b 0000000b 00000001 b6eb4000 0000000b 00000000

 2164 10:22:09.699926  # [   77.010675] ffc0: 0000000b 0000000b b6ffbe00 00000004 00000001 00000000 00020000 be942ac4

 2165 10:22:09.700209  # [   77.019123] ffe0: 00000004 be9427f8 b6f65d8f b6eec7e6 800e0030 00000001 00000000 00000000

 2166 10:22:09.700478  # [   77.027565] Backtrace: 

 2167 10:22:09.700735  # [   77.030300] [<c138a7fc>] (execute_location) from [<c138aa48>] (lkdtm_EXEC_STACK+0x38/0x54)

 2168 10:22:09.742965  # [   77.038838]  r7:c478ff60 r6:0000000b r5:c5c11000 r4:c478e000

 2169 10:22:09.743415  # [   77.044774] [<c138aa10>] (lkdtm_EXEC_STACK) from [<c0c547ac>] (lkdtm_do_action+0x2c/0x4c)

 2170 10:22:09.743697  # [   77.053219]  r4:00000020

 2171 10:22:09.743981  # [   77.056026] [<c0c54780>] (lkdtm_do_action) from [<c0c54cac>] (direct_entry+0x120/0x18c)

 2172 10:22:09.744246  # [   77.064310] [<c0c54b8c>] (direct_entry) from [<c07e05cc>] (full_proxy_write+0x64/0x94)

 2173 10:22:09.744511  # [   77.072501]  r9:c478ff60 r8:c5360b40 r7:0000000b r6:b6eb4000 r5:c5a9edc0 r4:c0c54b8c

 2174 10:22:09.787267  # [   77.080523] [<c07e0568>] (full_proxy_write) from [<c059ac18>] (vfs_write+0x10c/0x53c)

 2175 10:22:09.787780  # [   77.088625]  r9:c07e0568 r8:c478ff60 r7:c2815800 r6:b6eb4000 r5:c5a9edc0 r4:00000000

 2176 10:22:09.788119  # [   77.096641] [<c059ab0c>] (vfs_write) from [<c059b1c4>] (ksys_write+0x74/0xec)

 2177 10:22:09.788424  # [   77.104049]  r10:00000004 r9:00000000 r8:00000000 r7:b6eb4000 r6:c478e000 r5:c5a9edc0

 2178 10:22:09.788715  # [   77.112145]  r4:c5a9edc0

 2179 10:22:09.788993  # [   77.114953] [<c059b150>] (ksys_write) from [<c059b254>] (sys_write+0x18/0x1c)

 2180 10:22:09.789269  # [   77.122360]  r9:c478e000 r8:c03002e4 r7:00000004 r6:b6ffbe00 r5:0000000b r4:0000000b

 2181 10:22:09.831266  # [   77.130380] [<c059b23c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 2182 10:22:09.831783  # [   77.138216] Exception stack(0xc478ffa8 to 0xc478fff0)

 2183 10:22:09.832125  # [   77.143537] ffa0:                   0000000b 0000000b 00000001 b6eb4000 0000000b 00000000

 2184 10:22:09.832430  # [   77.151987] ffc0: 0000000b 0000000b b6ffbe00 00000004 00000001 00000000 00020000 be942ac4

 2185 10:22:09.832722  # [   77.160433] ffe0: 00000004 be9427f8 b6f65d8f b6eec7e6

 2186 10:22:09.833005  # [   77.165756] Code: c478fe08 c138aa48 c138a808 c478fe6c (e1a0c00d) 

 2187 10:22:09.875227  # [   77.172124] ---[ end trace 184820ef97b03c24<6>[   77.724144] lkdtm: Performing direct entry EXEC_KMALLOC

 2188 10:22:09.875745   ]---

 2189 10:22:09.876084  # EXEC_STACK: missing 'cal<6>[   77.730967] lkdtm: attempting ok execution at c0c5551c

 2190 10:22:09.876391  l trace:': [FAIL]

 2191 10:22:09.876678  not ok 31 self<6>[   77.739207] lkdtm: attempting bad execution at c61edc40

 2192 10:22:09.876968  tests: lkdtm: EXEC_STACK.sh # exi<1>[   77.747595] 8<--- cut here ---

 2193 10:22:09.877248  t=1

 2194 10:22:09.877526  # selftests: l<k1d>t[m :   E7.753641] Unable to handle kernel paging request at virtual address c61edc40

 2195 10:22:09.877803  XEC_KMALLOC.sh

 2196 10:22:09.878074  <

 2197 10:22:09.919345  1>[   77.763291] pgd = 9d22a786

 2198 10:22:09.919863  <1>[   77.767647] [c61edc40] *pgd=1601141e(bad)

 2199 10:22:09.920207  <0>[   77.771944] Internal error: Oops: 8000000d [#5] SMP ARM

 2200 10:22:09.920518  <4>[   77.777439] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 2201 10:22:09.963336  <4>[   77.806770] CPU: 3 PID: 1837 Comm: cat Tainted: G      D W         5.10.182-cip34 #1

 2202 10:22:09.963849  <4>[   77.814783] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 2203 10:22:09.964186  <4>[   77.821584] PC is at 0xc61edc40

 2204 10:22:09.964495  <4>[   77.825007] LR is at execute_location+0xa4/0xb4

 2205 10:22:09.964788  <4>[   77.829806] pc : [<c61edc40>]    lr : [<c138a8a0>]    psr: 600e0013

 2206 10:22:09.965079  <4>[   77.836339] sp : c5e0fe30  ip : c5e0fd38  fp : c5e0fe4c

 2207 10:22:09.965362  <4>[   77.841831] r10: 0000000d  r9 : c1ad0100  r8 : c15ebcc8

 2208 10:22:10.007284  <4>[   77.847324] r7 : c5e0ff60  r6 : 00000001  r5 : c61edc40  r4 : c0c5551c

 2209 10:22:10.007799  <4>[   77.854119] r3 : 6b7610fb  r2 : 6b7610fb  r1 : ef7c05e0  r0 : 0000002b

 2210 10:22:10.008134  <4>[   77.860917] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 2211 10:22:10.008439  <4>[   77.868322] Control: 10c5387d  Table: 1629004a  DAC: 00000051

 2212 10:22:10.008728  <0>[   77.874337] Process cat (pid: 1837, stack limit = 0xc000be2c)

 2213 10:22:10.009016  <0>[   77.880352] Stack: (0xc5e0fe30 to 0xc5e10000)

 2214 10:22:10.009296  <0>[   77.884982] fe20:                                     c61edc40 c6471000 0000000d c5e0ff60

 2215 10:22:10.051371  <0>[   77.893431] fe40: c5e0fe64 c5e0fe50 c0c5556c c138a808 00000021 c6471000 c5e0fe74 c5e0fe68

 2216 10:22:10.051889  <0>[   77.901879] fe60: c0c547ac c0c55540 c5e0fe9c c5e0fe78 c0c54cac c0c5478c c0c54b8c c5b10780

 2217 10:22:10.052229  <0>[   77.910328] fe80: b6eb2000 0000000d c5360b40 c5e0ff60 c5e0fec4 c5e0fea0 c07e05cc c0c54b98

 2218 10:22:10.052533  <0>[   77.918779] fea0: 00000000 c5b10780 b6eb2000 c2815800 c5e0ff60 c07e0568 c5e0ff5c c5e0fec8

 2219 10:22:10.052827  <0>[   77.927228] fec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c139fd58 c059b1c4 c5e0e000

 2220 10:22:10.095350  <0>[   77.935678] fee0: b6eb2000 00020000 00000004 0000000d 0001fff3 c5e0fee0 00000001 b6eb1000

 2221 10:22:10.095868  <0>[   77.944125] ff00: c64e3900 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 2222 10:22:10.096207  <0>[   77.952574] ff20: 00000000 00000000 c139fd58 6b7610fb c205e4c0 c5b10780 c5b10780 c5e0e000

 2223 10:22:10.096514  <0>[   77.961024] ff40: b6eb2000 00000000 00000000 00000004 c5e0ff94 c5e0ff60 c059b1c4 c059ab18

 2224 10:22:10.096809  <0>[   77.969473] ff60: 00000000 00000000 c5e0ffac 6b7610fb 0000000d 0000000d b6ff9e00 00000004

 2225 10:22:10.139267  <0>[   77.977922] ff80: c03002e4 c5e0e000 c5e0ffa4 c5e0ff98 c059b254 c059b15c 00000000 c5e0ffa8

 2226 10:22:10.139786  <0>[   77.986370] ffa0: c03000c0 c059b248 0000000d 0000000d 00000001 b6eb2000 0000000d 00000000

 2227 10:22:10.140126  <0>[   77.994820] ffc0: 0000000d 0000000d b6ff9e00 00000004 00000001 00000000 00020000 beed2ac4

 2228 10:22:10.140429  <0>[   78.003268] ffe0: 00000004 beed27f8 b6f63d8f b6eea7e6 800e0030 00000001 00000000 00000000

 2229 10:22:10.140720  <0>[   78.011710] Backtrace: 

 2230 10:22:10.141005  <0>[   78.014445] [<c138a7fc>] (execute_location) from [<c0c5556c>] (lkdtm_EXEC_KMALLOC+0x38/0x44)

 2231 10:22:10.183368  <0>[   78.023156]  r7:c5e0ff60 r6:0000000d r5:c6471000 r4:c61edc40

 2232 10:22:10.183883  <0>[   78.029090] [<c0c55534>] (lkdtm_EXEC_KMALLOC) from [<c0c547ac>] (lkdtm_do_action+0x2c/0x4c)

 2233 10:22:10.184224  <0>[   78.037709]  r5:c6471000 r4:00000021

 2234 10:22:10.184533  <0>[   78.041558] [<c0c54780>] (lkdtm_do_action) from [<c0c54cac>] (direct_entry+0x120/0x18c)

 2235 10:22:10.184830  <0>[   78.049840] [<c0c54b8c>] (direct_entry) from [<c07e05cc>] (full_proxy_write+0x64/0x94)

 2236 10:22:10.185120  <0>[   78.058030]  r9:c5e0ff60 r8:c5360b40 r7:0000000d r6:b6eb2000 r5:c5b10780 r4:c0c54b8c

 2237 10:22:10.227337  <0>[   78.066052] [<c07e0568>] (full_proxy_write) from [<c059ac18>] (vfs_write+0x10c/0x53c)

 2238 10:22:10.227853  <0>[   78.074155]  r9:c07e0568 r8:c5e0ff60 r7:c2815800 r6:b6eb2000 r5:c5b10780 r4:00000000

 2239 10:22:10.228196  <0>[   78.082171] [<c059ab0c>] (vfs_write) from [<c059b1c4>] (ksys_write+0x74/0xec)

 2240 10:22:10.228502  <0>[   78.089578]  r10:00000004 r9:00000000 r8:00000000 r7:b6eb2000 r6:c5e0e000 r5:c5b10780

 2241 10:22:10.228793  <0>[   78.097674]  r4:c5b10780

 2242 10:22:10.229079  <0>[   78.100481] [<c059b150>] (ksys_write) from [<c059b254>] (sys_write+0x18/0x1c)

 2243 10:22:10.270719  <0>[   78.107888]  r9:c5e0e000 r8:c03002e4 r7:00000004 r6:b6ff9e00 r5:0000000d r4:0000000d

 2244 10:22:10.270886  <0>[   78.115909] [<c059b23c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 2245 10:22:10.270950  <0>[   78.123746] Exception stack(0xc5e0ffa8 to 0xc5e0fff0)

 2246 10:22:10.271039  <0>[   78.129068] ffa0:                   0000000d 0000000d 00000001 b6eb2000 0000000d 00000000

 2247 10:22:10.271125  <0>[   78.137517] ffc0: 0000000d 0000000d b6ff9e00 00000004 00000001 00000000 00020000 beed2ac4

 2248 10:22:10.271210  <0>[   78.145963] ffe0: 00000004 beed27f8 b6f63d8f b6eea7e6

 2249 10:22:10.314769  <0>[   78.151288] Code: 00000002 00000000 00000000 00000000 (e1a0c00d) 

 2250 10:22:10.314848  <4>[   78.157655] ---[ end trace 184820ef97b03c25 ]---

 2251 10:22:10.314972  # Segmentation fault

 2252 10:22:10.402484  # [   77.724144] lkdtm: Performing direct entry EXEC_KMALLOC

 2253 10:22:10.402819  # [   77.730967] lkdtm: attempting ok execution at c0c5551c

 2254 10:22:10.403072  # [   77.739207] lkdtm: attempting bad execution at c61edc40

 2255 10:22:10.403307  # [   77.747595] 8<--- cut here ---

 2256 10:22:10.403531  # [   77.753641] Unable to handle kernel paging request at virtual address c61edc40

 2257 10:22:10.403782  # [   77.763291] pgd = 9d22a786

 2258 10:22:10.404019  # [   77.767647] [c61edc40] *pgd=1601141e(bad)

 2259 10:22:10.404256  # [   77.771944] Internal error: Oops: 8000000d [#5] SMP ARM

 2260 10:22:10.445445  # [   77.777439] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 2261 10:22:10.445601  # [   77.806770] CPU: 3 PID: 1837 Comm: cat Tainted: G      D W         5.10.182-cip34 #1

 2262 10:22:10.445665  # [   77.814783] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 2263 10:22:10.445725  # [   77.821584] PC is at 0xc61edc40

 2264 10:22:10.488558  # [   77.825007] LR is at execute_location+0xa4/0xb4

 2265 10:22:10.488645  # [   77.829806] pc : [<c61edc40>]    lr : [<c138a8a0>]    psr: 600e0013

 2266 10:22:10.488714  # [   77.836339] sp : c5e0fe30  ip : c5e0fd38  fp : c5e0fe4c

 2267 10:22:10.488777  # [   77.841831] r10: 0000000d  r9 : c1ad0100  r8 : c15ebcc8

 2268 10:22:10.488837  # [   77.847324] r7 : c5e0ff60  r6 : 00000001  r5 : c61edc40  r4 : c0c5551c

 2269 10:22:10.488896  # [   77.854119] r3 : 6b7610fb  r2 : 6b7610fb  r1 : ef7c05e0  r0 : 0000002b

 2270 10:22:10.488955  # [   77.860917] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 2271 10:22:10.531485  # [   77.868322] Control: 10c5387d  Table: 1629004a  DAC: 00000051

 2272 10:22:10.531566  # [   77.874337] Process cat (pid: 1837, stack limit = 0xc000be2c)

 2273 10:22:10.531629  # [   77.880352] Stack: (0xc5e0fe30 to 0xc5e10000)

 2274 10:22:10.531687  # [   77.884982] fe20:                                     c61edc40 c6471000 0000000d c5e0ff60

 2275 10:22:10.531744  # [   77.893431] fe40: c5e0fe64 c5e0fe50 c0c5556c c138a808 00000021 c6471000 c5e0fe74 c5e0fe68

 2276 10:22:10.531799  # [   77.901879] fe60: c0c547ac c0c55540 c5e0fe9c c5e0fe78 c0c54cac c0c5478c c0c54b8c c5b10780

 2277 10:22:10.578897  # [   77.910328] fe80: b6eb2000 0000000d c5360b40 c5e0ff60 c5e0fec4 c5e0fea0 c07e05cc c0c54b98

 2278 10:22:10.579070  # [   77.918779] fea0: 00000000 c5b10780 b6eb2000 c2815800 c5e0ff60 c07e0568 c5e0ff5c c5e0fec8

 2279 10:22:10.579154  # [   77.927228] fec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c139fd58 c059b1c4 c5e0e000

 2280 10:22:10.579229  # [   77.935678] fee0: b6eb2000 00020000 00000004 0000000d 0001fff3 c5e0fee0 00000001 b6eb1000

 2281 10:22:10.579300  # [   77.944125] ff00: c64e3900 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 2282 10:22:10.623098  # [   77.952574] ff20: 00000000 00000000 c139fd58 6b7610fb c205e4c0 c5b10780 c5b10780 c5e0e000

 2283 10:22:10.623425  # [   77.961024] ff40: b6eb2000 00000000 00000000 00000004 c5e0ff94 c5e0ff60 c059b1c4 c059ab18

 2284 10:22:10.623628  # [   77.969473] ff60: 00000000 00000000 c5e0ffac 6b7610fb 0000000d 0000000d b6ff9e00 00000004

 2285 10:22:10.623814  # [   77.977922] ff80: c03002e4 c5e0e000 c5e0ffa4 c5e0ff98 c059b254 c059b15c 00000000 c5e0ffa8

 2286 10:22:10.623991  # [   77.986370] ffa0: c03000c0 c059b248 0000000d 0000000d 00000001 b6eb2000 0000000d 00000000

 2287 10:22:10.667064  # [   77.994820] ffc0: 0000000d 0000000d b6ff9e00 00000004 00000001 00000000 00020000 beed2ac4

 2288 10:22:10.667548  # [   78.003268] ffe0: 00000004 beed27f8 b6f63d8f b6eea7e6 800e0030 00000001 00000000 00000000

 2289 10:22:10.667867  # [   78.011710] Backtrace: 

 2290 10:22:10.668147  # [   78.014445] [<c138a7fc>] (execute_location) from [<c0c5556c>] (lkdtm_EXEC_KMALLOC+0x38/0x44)

 2291 10:22:10.668416  # [   78.023156]  r7:c5e0ff60 r6:0000000d r5:c6471000 r4:c61edc40

 2292 10:22:10.668679  # [   78.029090] [<c0c55534>] (lkdtm_EXEC_KMALLOC) from [<c0c547ac>] (lkdtm_do_action+0x2c/0x4c)

 2293 10:22:10.668936  # [   78.037709]  r5:c6471000 r4:00000021

 2294 10:22:10.711221  # [   78.041558] [<c0c54780>] (lkdtm_do_action) from [<c0c54cac>] (direct_entry+0x120/0x18c)

 2295 10:22:10.711673  # [   78.049840] [<c0c54b8c>] (direct_entry) from [<c07e05cc>] (full_proxy_write+0x64/0x94)

 2296 10:22:10.711966  # [   78.058030]  r9:c5e0ff60 r8:c5360b40 r7:0000000d r6:b6eb2000 r5:c5b10780 r4:c0c54b8c

 2297 10:22:10.712226  # [   78.066052] [<c07e0568>] (full_proxy_write) from [<c059ac18>] (vfs_write+0x10c/0x53c)

 2298 10:22:10.712477  # [   78.074155]  r9:c07e0568 r8:c5e0ff60 r7:c2815800 r6:b6eb2000 r5:c5b10780 r4:00000000

 2299 10:22:10.755295  # [   78.082171] [<c059ab0c>] (vfs_write) from [<c059b1c4>] (ksys_write+0x74/0xec)

 2300 10:22:10.755785  # [   78.089578]  r10:00000004 r9:00000000 r8:00000000 r7:b6eb2000 r6:c5e0e000 r5:c5b10780

 2301 10:22:10.756115  # [   78.097674]  r4:c5b10780

 2302 10:22:10.756395  # [   78.100481] [<c059b150>] (ksys_write) from [<c059b254>] (sys_write+0x18/0x1c)

 2303 10:22:10.756667  # [   78.107888]  r9:c5e0e000 r8:c03002e4 r7:00000004 r6:b6ff9e00 r5:0000000d r4:0000000d

 2304 10:22:10.756931  # [   78.115909] [<c059b23c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 2305 10:22:10.757188  # [   78.123746] Exception stack(0xc5e0ffa8 to 0xc5e0fff0)

 2306 10:22:10.799314  # [   78.129068] ffa0:                   0000000d 0000000d 00000001 b6eb2000 0000000d 00000000

 2307 10:22:10.799832  # [   78.137517] ffc0: 0000000d 0000000d b6ff9e00 00000004 00000001 00000000 00020000 beed2ac4

 2308 10:22:10.800168  # [   78.145963] ffe0: 00000004 beed27f8 b6f63d8f b6eea7e6

 2309 10:22:10.800475  # [   78.151288] Code: 00000002 00000000 00000000 00000000 (e1a0c00d) 

 2310 10:22:10.800766  # [   78.1576<6>[   78.675941] lkdtm: Performing direct entry EXEC_VMALLOC

 2311 10:22:10.801055  55] ---[ end trace 184820ef97b03c<6>[   78.681783] lkdtm: attempting ok execution at c0c5551c

 2312 10:22:10.801344  25 ]---

 2313 10:22:10.842776  # EXEC_KMALLOC: missing <6>[   78.689974] lkdtm: attempting bad execution at f096c000

 2314 10:22:10.842872  'call trace:': [FAIL]

 2315 10:22:10.842963  not ok 32 <1>[   78.698312] 8<--- cut here ---

 2316 10:22:10.843037  selftests: lkdtm: EXEC_KMALLOC.sh<1>[   78.704456] Unable to handle kernel paging request at virtual address f096c000

 2317 10:22:10.843110   # exit=1

 2318 10:22:10.843194  # selftests: lkdtm: EX<1>[   78.714861] pgd = 575a2138

 2319 10:22:10.843262  EC_VMALLOC.sh

 2320 10:22:10.843329  <1>[   78.720677] [f096c000] *pgd=12949811, *pte=4944365f, *ppte=4944345f

 2321 10:22:10.843413  <0>[   78.728492] Internal error: Oops: 8000000f [#6] SMP ARM

 2322 10:22:10.887194  <4>[   78.733992] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 2323 10:22:10.887660  <4>[   78.763332] CPU: 3 PID: 1914 Comm: cat Tainted: G      D W         5.10.182-cip34 #1

 2324 10:22:10.887980  <4>[   78.771345] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 2325 10:22:10.931298  <4>[   78.778149] PC is at 0xf096c000

 2326 10:22:10.931776  <4>[   78.781573] LR is at execute_location+0xa4/0xb4

 2327 10:22:10.932090  <4>[   78.786373] pc : [<f096c000>]    lr : [<c138a8a0>]    psr: 600e0013

 2328 10:22:10.932371  <4>[   78.792910] sp : c64f5e30  ip : c64f5d38  fp : c64f5e4c

 2329 10:22:10.932641  <4>[   78.798404] r10: 0000000d  r9 : c1ad0110  r8 : c15ebcc8

 2330 10:22:10.932905  <4>[   78.803897] r7 : c64f5f60  r6 : 00000001  r5 : f096c000  r4 : c0c5551c

 2331 10:22:10.933164  <4>[   78.810693] r3 : 1ee18f92  r2 : 1ee18f92  r1 : ef7c05e0  r0 : 0000002b

 2332 10:22:10.974980  <4>[   78.817490] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 2333 10:22:10.975483  <4>[   78.824895] Control: 10c5387d  Table: 1651404a  DAC: 00000051

 2334 10:22:10.975816  <0>[   78.830911] Process cat (pid: 1914, stack limit = 0x72f9a0ea)

 2335 10:22:10.976122  <0>[   78.836927] Stack: (0xc64f5e30 to 0xc64f6000)

 2336 10:22:10.976416  <0>[   78.841556] 5e20:                                     f096c000 c646e000 0000000d c64f5f60

 2337 10:22:10.976706  <0>[   78.850007] 5e40: c64f5e64 c64f5e50 c0c555a0 c138a808 00000022 c646e000 c64f5e74 c64f5e68

 2338 10:22:11.019291  <0>[   78.858456] 5e60: c0c547ac c0c55584 c64f5e9c c64f5e78 c0c54cac c0c5478c c0c54b8c c5cfb2c0

 2339 10:22:11.019806  <0>[   78.866905] 5e80: b6db7000 0000000d c5360b40 c64f5f60 c64f5ec4 c64f5ea0 c07e05cc c0c54b98

 2340 10:22:11.020146  <0>[   78.875354] 5ea0: 00000000 c5cfb2c0 b6db7000 c2815800 c64f5f60 c07e0568 c64f5f5c c64f5ec8

 2341 10:22:11.020452  <0>[   78.883803] 5ec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c139fd58 c059b1c4 c64f4000

 2342 10:22:11.020747  <0>[   78.892252] 5ee0: b6db7000 00020000 00000004 0000000d 0001fff3 c64f5ee0 00000001 b6db6000

 2343 10:22:11.063266  <0>[   78.900700] 5f00: c5bf63c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 2344 10:22:11.063780  <0>[   78.909149] 5f20: 00000000 00000000 c139fd58 1ee18f92 c205e4c0 c5cfb2c0 c5cfb2c0 c64f4000

 2345 10:22:11.064122  <0>[   78.917599] 5f40: b6db7000 00000000 00000000 00000004 c64f5f94 c64f5f60 c059b1c4 c059ab18

 2346 10:22:11.064428  <0>[   78.926049] 5f60: 00000000 00000000 c64f5fac 1ee18f92 0000000d 0000000d b6efee00 00000004

 2347 10:22:11.064716  <0>[   78.934498] 5f80: c03002e4 c64f4000 c64f5fa4 c64f5f98 c059b254 c059b15c 00000000 c64f5fa8

 2348 10:22:11.064999  <0>[   78.942947] 5fa0: c03000c0 c059b248 0000000d 0000000d 00000001 b6db7000 0000000d 00000000

 2349 10:22:11.107349  <0>[   78.951396] 5fc0: 0000000d 0000000d b6efee00 00000004 00000001 00000000 00020000 bed02ac4

 2350 10:22:11.107866  <0>[   78.959845] 5fe0: 00000004 bed027f8 b6e68d8f b6def7e6 800e0030 00000001 00000000 00000000

 2351 10:22:11.108206  <0>[   78.968286] Backtrace: 

 2352 10:22:11.108512  <0>[   78.971027] [<c138a7fc>] (execute_location) from [<c0c555a0>] (lkdtm_EXEC_VMALLOC+0x28/0x34)

 2353 10:22:11.108808  <0>[   78.979738]  r7:c64f5f60 r6:0000000d r5:c646e000 r4:f096c000

 2354 10:22:11.109093  <0>[   78.985673] [<c0c55578>] (lkdtm_EXEC_VMALLOC) from [<c0c547ac>] (lkdtm_do_action+0x2c/0x4c)

 2355 10:22:11.151365  <0>[   78.994293]  r5:c646e000 r4:00000022

 2356 10:22:11.151882  <0>[   78.998143] [<c0c54780>] (lkdtm_do_action) from [<c0c54cac>] (direct_entry+0x120/0x18c)

 2357 10:22:11.152225  <0>[   79.006426] [<c0c54b8c>] (direct_entry) from [<c07e05cc>] (full_proxy_write+0x64/0x94)

 2358 10:22:11.152530  <0>[   79.014616]  r9:c64f5f60 r8:c5360b40 r7:0000000d r6:b6db7000 r5:c5cfb2c0 r4:c0c54b8c

 2359 10:22:11.152827  <0>[   79.022640] [<c07e0568>] (full_proxy_write) from [<c059ac18>] (vfs_write+0x10c/0x53c)

 2360 10:22:11.195356  <0>[   79.030745]  r9:c07e0568 r8:c64f5f60 r7:c2815800 r6:b6db7000 r5:c5cfb2c0 r4:00000000

 2361 10:22:11.195872  <0>[   79.038763] [<c059ab0c>] (vfs_write) from [<c059b1c4>] (ksys_write+0x74/0xec)

 2362 10:22:11.196211  <0>[   79.046171]  r10:00000004 r9:00000000 r8:00000000 r7:b6db7000 r6:c64f4000 r5:c5cfb2c0

 2363 10:22:11.196514  <0>[   79.054268]  r4:c5cfb2c0

 2364 10:22:11.196801  <0>[   79.057075] [<c059b150>] (ksys_write) from [<c059b254>] (sys_write+0x18/0x1c)

 2365 10:22:11.197078  <0>[   79.064483]  r9:c64f4000 r8:c03002e4 r7:00000004 r6:b6efee00 r5:0000000d r4:0000000d

 2366 10:22:11.197351  <0>[   79.072502] [<c059b23c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 2367 10:22:11.238732  <0>[   79.080341] Exception stack(0xc64f5fa8 to 0xc64f5ff0)

 2368 10:22:11.238879  <0>[   79.085665] 5fa0:                   0000000d 0000000d 00000001 b6db7000 0000000d 00000000

 2369 10:22:11.238943  <0>[   79.094114] 5fc0: 0000000d 0000000d b6efee00 00000004 00000001 00000000 00020000 bed02ac4

 2370 10:22:11.239001  <0>[   79.102558] 5fe0: 00000004 bed027f8 b6e68d8f b6def7e6

 2371 10:22:11.239057  <0>[   79.107887] Code: bad PC value

 2372 10:22:11.239111  <4>[   79.111300] ---[ end trace 184820ef97b03c26 ]---

 2373 10:22:11.239164  # Segmentation fault

 2374 10:22:11.349752  # [   78.675941] lkdtm: Performing direct entry EXEC_VMALLOC

 2375 10:22:11.349899  # [   78.681783] lkdtm: attempting ok execution at c0c5551c

 2376 10:22:11.349964  # [   78.689974] lkdtm: attempting bad execution at f096c000

 2377 10:22:11.350024  # [   78.698312] 8<--- cut here ---

 2378 10:22:11.350120  # [   78.704456] Unable to handle kernel paging request at virtual address f096c000

 2379 10:22:11.350175  # [   78.714861] pgd = 575a2138

 2380 10:22:11.350230  # [   78.720677] [f096c000] *pgd=12949811, *pte=4944365f, *ppte=4944345f

 2381 10:22:11.350283  # [   78.728492] Internal error: Oops: 8000000f [#6] SMP ARM

 2382 10:22:11.392724  # [   78.733992] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 2383 10:22:11.392808  # [   78.763332] CPU: 3 PID: 1914 Comm: cat Tainted: G      D W         5.10.182-cip34 #1

 2384 10:22:11.392873  # [   78.771345] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 2385 10:22:11.435880  # [   78.778149] PC is at 0xf096c000

 2386 10:22:11.435960  # [   78.781573] LR is at execute_location+0xa4/0xb4

 2387 10:22:11.436024  # [   78.786373] pc : [<f096c000>]    lr : [<c138a8a0>]    psr: 600e0013

 2388 10:22:11.436082  # [   78.792910] sp : c64f5e30  ip : c64f5d38  fp : c64f5e4c

 2389 10:22:11.436139  # [   78.798404] r10: 0000000d  r9 : c1ad0110  r8 : c15ebcc8

 2390 10:22:11.436194  # [   78.803897] r7 : c64f5f60  r6 : 00000001  r5 : f096c000  r4 : c0c5551c

 2391 10:22:11.436249  # [   78.810693] r3 : 1ee18f92  r2 : 1ee18f92  r1 : ef7c05e0  r0 : 0000002b

 2392 10:22:11.436302  # [   78.817490] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 2393 10:22:11.478828  # [   78.824895] Control: 10c5387d  Table: 1651404a  DAC: 00000051

 2394 10:22:11.478908  # [   78.830911] Process cat (pid: 1914, stack limit = 0x72f9a0ea)

 2395 10:22:11.478971  # [   78.836927] Stack: (0xc64f5e30 to 0xc64f6000)

 2396 10:22:11.479029  # [   78.841556] 5e20:                                     f096c000 c646e000 0000000d c64f5f60

 2397 10:22:11.479085  # [   78.850007] 5e40: c64f5e64 c64f5e50 c0c555a0 c138a808 00000022 c646e000 c64f5e74 c64f5e68

 2398 10:22:11.479140  # [   78.858456] 5e60: c0c547ac c0c55584 c64f5e9c c64f5e78 c0c54cac c0c5478c c0c54b8c c5cfb2c0

 2399 10:22:11.522721  # [   78.866905] 5e80: b6db7000 0000000d c5360b40 c64f5f60 c64f5ec4 c64f5ea0 c07e05cc c0c54b98

 2400 10:22:11.522801  # [   78.875354] 5ea0: 00000000 c5cfb2c0 b6db7000 c2815800 c64f5f60 c07e0568 c64f5f5c c64f5ec8

 2401 10:22:11.522865  # [   78.883803] 5ec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c139fd58 c059b1c4 c64f4000

 2402 10:22:11.522923  # [   78.892252] 5ee0: b6db7000 00020000 00000004 0000000d 0001fff3 c64f5ee0 00000001 b6db6000

 2403 10:22:11.522980  # [   78.900700] 5f00: c5bf63c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 2404 10:22:11.566915  # [   78.909149] 5f20: 00000000 00000000 c139fd58 1ee18f92 c205e4c0 c5cfb2c0 c5cfb2c0 c64f4000

 2405 10:22:11.567133  # [   78.917599] 5f40: b6db7000 00000000 00000000 00000004 c64f5f94 c64f5f60 c059b1c4 c059ab18

 2406 10:22:11.567253  # [   78.926049] 5f60: 00000000 00000000 c64f5fac 1ee18f92 0000000d 0000000d b6efee00 00000004

 2407 10:22:11.567359  # [   78.934498] 5f80: c03002e4 c64f4000 c64f5fa4 c64f5f98 c059b254 c059b15c 00000000 c64f5fa8

 2408 10:22:11.567457  # [   78.942947] 5fa0: c03000c0 c059b248 0000000d 0000000d 00000001 b6db7000 0000000d 00000000

 2409 10:22:11.611077  # [   78.951396] 5fc0: 0000000d 0000000d b6efee00 00000004 00000001 00000000 00020000 bed02ac4

 2410 10:22:11.611563  # [   78.959845] 5fe0: 00000004 bed027f8 b6e68d8f b6def7e6 800e0030 00000001 00000000 00000000

 2411 10:22:11.611899  # [   78.968286] Backtrace: 

 2412 10:22:11.612180  # [   78.971027] [<c138a7fc>] (execute_location) from [<c0c555a0>] (lkdtm_EXEC_VMALLOC+0x28/0x34)

 2413 10:22:11.612448  # [   78.979738]  r7:c64f5f60 r6:0000000d r5:c646e000 r4:f096c000

 2414 10:22:11.612712  # [   78.985673] [<c0c55578>] (lkdtm_EXEC_VMALLOC) from [<c0c547ac>] (lkdtm_do_action+0x2c/0x4c)

 2415 10:22:11.612971  # [   78.994293]  r5:c646e000 r4:00000022

 2416 10:22:11.655039  # [   78.998143] [<c0c54780>] (lkdtm_do_action) from [<c0c54cac>] (direct_entry+0x120/0x18c)

 2417 10:22:11.655524  # [   79.006426] [<c0c54b8c>] (direct_entry) from [<c07e05cc>] (full_proxy_write+0x64/0x94)

 2418 10:22:11.655835  # [   79.014616]  r9:c64f5f60 r8:c5360b40 r7:0000000d r6:b6db7000 r5:c5cfb2c0 r4:c0c54b8c

 2419 10:22:11.656116  # [   79.022640] [<c07e0568>] (full_proxy_write) from [<c059ac18>] (vfs_write+0x10c/0x53c)

 2420 10:22:11.656384  # [   79.030745]  r9:c07e0568 r8:c64f5f60 r7:c2815800 r6:b6db7000 r5:c5cfb2c0 r4:00000000

 2421 10:22:11.699202  # [   79.038763] [<c059ab0c>] (vfs_write) from [<c059b1c4>] (ksys_write+0x74/0xec)

 2422 10:22:11.699715  # [   79.046171]  r10:00000004 r9:00000000 r8:00000000 r7:b6db7000 r6:c64f4000 r5:c5cfb2c0

 2423 10:22:11.700054  # [   79.054268]  r4:c5cfb2c0

 2424 10:22:11.700355  # [   79.057075] [<c059b150>] (ksys_write) from [<c059b254>] (sys_write+0x18/0x1c)

 2425 10:22:11.700645  # [   79.064483]  r9:c64f4000 r8:c03002e4 r7:00000004 r6:b6efee00 r5:0000000d r4:0000000d

 2426 10:22:11.700930  # [   79.072502] [<c059b23c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 2427 10:22:11.701210  # [   79.080341] Exception stack(0xc64f5fa8 to 0xc64f5ff0)

 2428 10:22:11.743223  # [   79.085665] 5fa0:                   0000000d 0000000d 00000001 b6db7000 0000000d 00000000

 2429 10:22:11.743704  # [   79.094114] 5fc0: 0000000d 0000000d b6efee00 00000004 00000001 00000000 00020000 bed02ac4

 2430 10:22:11.744018  # [   79.102558] 5fe0: 00000004 bed027f8 b6e68d8f b6def7e6

 2431 10:22:11.744297  # [   79.107887] Code: bad PC value

 2432 10:22:11.744564  # [   79.111300] ---[ end trace 184820ef97b03c26 ]---

 2433 10:22:11.744826  # EXEC_VMALLOC: missing 'call trace:': [FAIL]

 2434 10:22:11.745085  not ok 33 selftests: lkdtm: EXEC_VMALLOC.sh # <6>[   79.632266] lkdtm: Performing direct entry EXEC_RODATA

 2435 10:22:11.745341  exit=1

 2436 10:22:11.787244  # selftests: lkdtm: EXEC_<6>[   79.638349] lkdtm: attempting ok execution at c0c5551c

 2437 10:22:11.787723  RODATA.sh

 2438 10:22:11.788030  <6>[   79.646519] lkdtm: attempting bad execution at c15ebf64

 2439 10:22:11.788311  <1>[   79.653077] 8<--- cut here ---

 2440 10:22:11.788576  <1>[   79.656424] Unable to handle kernel paging request at virtual address c15ebf64

 2441 10:22:11.788838  <1>[   79.663936] pgd = 199d0ad4

 2442 10:22:11.789092  <1>[   79.666930] [c15ebf64] *pgd=1141941e(bad)

 2443 10:22:11.789346  <0>[   79.671260] Internal error: Oops: 8000000d [#7] SMP ARM

 2444 10:22:11.831229  <4>[   79.676769] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 2445 10:22:11.831758  <4>[   79.706314] CPU: 0 PID: 1991 Comm: cat Tainted: G      D W         5.10.182-cip34 #1

 2446 10:22:11.832099  <4>[   79.714339] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 2447 10:22:11.832406  <4>[   79.721167] PC is at lkdtm_rodata_do_nothing+0x0/0x10

 2448 10:22:11.875301  <4>[   79.726522] LR is at execute_location+0xa4/0xb4

 2449 10:22:11.875811  <4>[   79.731340] pc : [<c15ebf64>]    lr : [<c138a8a0>]    psr: 600e0013

 2450 10:22:11.876154  <4>[   79.737889] sp : c5aebe38  ip : c5aebd40  fp : c5aebe54

 2451 10:22:11.876458  <4>[   79.743395] r10: 0000000c  r9 : c1ad0120  r8 : c15ebcc8

 2452 10:22:11.876747  <4>[   79.748902] r7 : c5aebf60  r6 : 00000000  r5 : c15ebf64  r4 : c0c5551c

 2453 10:22:11.877032  <4>[   79.755711] r3 : d31c8684  r2 : d31c8684  r1 : ef7815e0  r0 : 0000002b

 2454 10:22:11.877315  <4>[   79.762527] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 2455 10:22:11.919207  <4>[   79.769945] Control: 10c5387d  Table: 1581404a  DAC: 00000051

 2456 10:22:11.919725  <0>[   79.775977] Process cat (pid: 1991, stack limit = 0x642bae35)

 2457 10:22:11.920066  <0>[   79.782007] Stack: (0xc5aebe38 to 0xc5aec000)

 2458 10:22:11.920379  <0>[   79.786651] be20:                                                       00000023 c6415000

 2459 10:22:11.920673  <0>[   79.795120] be40: 0000000c c5aebf60 c5aebe64 c5aebe58 c138aa88 c138a808 c5aebe74 c5aebe68

 2460 10:22:11.920958  <0>[   79.803587] be60: c0c547ac c138aa70 c5aebe9c c5aebe78 c0c54cac c0c5478c c0c54b8c c611be00

 2461 10:22:11.963300  <0>[   79.812053] be80: b6e26000 0000000c c5360b40 c5aebf60 c5aebec4 c5aebea0 c07e05cc c0c54b98

 2462 10:22:11.963818  <0>[   79.820520] bea0: 00000000 c611be00 b6e26000 c2815800 c5aebf60 c07e0568 c5aebf5c c5aebec8

 2463 10:22:11.964165  <0>[   79.828988] bec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c139fd58 c059b1c4 c5aea000

 2464 10:22:11.964472  <0>[   79.837455] bee0: b6e26000 00020000 00000004 0000000c 0001fff4 c5aebee0 00000001 b6e25000

 2465 10:22:11.964762  <0>[   79.845921] bf00: c5b117c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 2466 10:22:12.007085  <0>[   79.854390] bf20: 00000000 00000000 c139fd58 d31c8684 c205e4c0 c611be00 c611be00 c5aea000

 2467 10:22:12.007576  <0>[   79.862859] bf40: b6e26000 00000000 00000000 00000004 c5aebf94 c5aebf60 c059b1c4 c059ab18

 2468 10:22:12.007905  <0>[   79.871327] bf60: 00000000 00000000 c5aebfac d31c8684 0000000c 0000000c b6f6de00 00000004

 2469 10:22:12.008209  <0>[   79.879794] bf80: c03002e4 c5aea000 c5aebfa4 c5aebf98 c059b254 c059b15c 00000000 c5aebfa8

 2470 10:22:12.008500  <0>[   79.888261] bfa0: c03000c0 c059b248 0000000c 0000000c 00000001 b6e26000 0000000c 00000000

 2471 10:22:12.051206  <0>[   79.896729] bfc0: 0000000c 0000000c b6f6de00 00000004 00000001 00000000 00020000 becc2ac4

 2472 10:22:12.051718  <0>[   79.905196] bfe0: 00000004 becc27f8 b6ed7d8f b6e5e7e6 800e0030 00000001 00000000 00000000

 2473 10:22:12.052056  <0>[   79.913651] Backtrace: 

 2474 10:22:12.052360  <0>[   79.916414] [<c138a7fc>] (execute_location) from [<c138aa88>] (lkdtm_EXEC_RODATA+0x24/0x28)

 2475 10:22:12.052654  <0>[   79.925060]  r7:c5aebf60 r6:0000000c r5:c6415000 r4:00000023

 2476 10:22:12.052942  <0>[   79.931019] [<c138aa64>] (lkdtm_EXEC_RODATA) from [<c0c547ac>] (lkdtm_do_action+0x2c/0x4c)

 2477 10:22:12.095209  <0>[   79.939578] [<c0c54780>] (lkdtm_do_action) from [<c0c54cac>] (direct_entry+0x120/0x18c)

 2478 10:22:12.095726  <0>[   79.947883] [<c0c54b8c>] (direct_entry) from [<c07e05cc>] (full_proxy_write+0x64/0x94)

 2479 10:22:12.096066  <0>[   79.956092]  r9:c5aebf60 r8:c5360b40 r7:0000000c r6:b6e26000 r5:c611be00 r4:c0c54b8c

 2480 10:22:12.096371  <0>[   79.964138] [<c07e0568>] (full_proxy_write) from [<c059ac18>] (vfs_write+0x10c/0x53c)

 2481 10:22:12.096661  <0>[   79.972260]  r9:c07e0568 r8:c5aebf60 r7:c2815800 r6:b6e26000 r5:c611be00 r4:00000000

 2482 10:22:12.139207  <0>[   79.980297] [<c059ab0c>] (vfs_write) from [<c059b1c4>] (ksys_write+0x74/0xec)

 2483 10:22:12.139722  <0>[   79.987723]  r10:00000004 r9:00000000 r8:00000000 r7:b6e26000 r6:c5aea000 r5:c611be00

 2484 10:22:12.140062  <0>[   79.995832]  r4:c611be00

 2485 10:22:12.140362  <0>[   79.998660] [<c059b150>] (ksys_write) from [<c059b254>] (sys_write+0x18/0x1c)

 2486 10:22:12.140654  <0>[   80.006086]  r9:c5aea000 r8:c03002e4 r7:00000004 r6:b6f6de00 r5:0000000c r4:0000000c

 2487 10:22:12.140939  <0>[   80.014125] [<c059b23c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 2488 10:22:12.141217  <0>[   80.021976] Exception stack(0xc5aebfa8 to 0xc5aebff0)

 2489 10:22:12.182726  <0>[   80.027316] bfa0:                   0000000c 0000000c 00000001 b6e26000 0000000c 00000000

 2490 10:22:12.182889  <0>[   80.035784] bfc0: 0000000c 0000000c b6f6de00 00000004 00000001 00000000 00020000 becc2ac4

 2491 10:22:12.182953  <0>[   80.044246] bfe0: 00000004 becc27f8 b6ed7d8f b6e5e7e6

 2492 10:22:12.183041  <0>[   80.049589] Code: 5f727563 6e756f63 00000074 aa55aa55 (e1a0c00d) 

 2493 10:22:12.183113  <4>[   80.055975] ---[ end trace 184820ef97b03c27 ]---

 2494 10:22:12.183184  # Segmentation fault

 2495 10:22:12.341761  # [   79.632266] lkdtm: Performing direct entry EXEC_RODATA

 2496 10:22:12.341924  # [   79.638349] lkdtm: attempting ok execution at c0c5551c

 2497 10:22:12.341998  # [   79.646519] lkdtm: attempting bad execution at c15ebf64

 2498 10:22:12.342067  # [   79.653077] 8<--- cut here ---

 2499 10:22:12.342132  # [   79.656424] Unable to handle kernel paging request at virtual address c15ebf64

 2500 10:22:12.342197  # [   79.663936] pgd = 199d0ad4

 2501 10:22:12.342257  # [   79.666930] [c15ebf64] *pgd=1141941e(bad)

 2502 10:22:12.342318  # [   79.671260] Internal error: Oops: 8000000d [#7] SMP ARM

 2503 10:22:12.384378  # [   79.676769] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 2504 10:22:12.384467  # [   79.706314] CPU: 0 PID: 1991 Comm: cat Tainted: G      D W         5.10.182-cip34 #1

 2505 10:22:12.384532  # [   79.714339] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 2506 10:22:12.384591  # [   79.721167] PC is at lkdtm_rodata_do_nothing+0x0/0x10

 2507 10:22:12.427418  # [   79.726522] LR is at execute_location+0xa4/0xb4

 2508 10:22:12.427498  # [   79.731340] pc : [<c15ebf64>]    lr : [<c138a8a0>]    psr: 600e0013

 2509 10:22:12.427562  # [   79.737889] sp : c5aebe38  ip : c5aebd40  fp : c5aebe54

 2510 10:22:12.427621  # [   79.743395] r10: 0000000c  r9 : c1ad0120  r8 : c15ebcc8

 2511 10:22:12.427677  # [   79.748902] r7 : c5aebf60  r6 : 00000000  r5 : c15ebf64  r4 : c0c5551c

 2512 10:22:12.427732  # [   79.755711] r3 : d31c8684  r2 : d31c8684  r1 : ef7815e0  r0 : 0000002b

 2513 10:22:12.427787  # [   79.762527] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 2514 10:22:12.471033  # [   79.769945] Control: 10c5387d  Table: 1581404a  DAC: 00000051

 2515 10:22:12.471531  # [   79.775977] Process cat (pid: 1991, stack limit = 0x642bae35)

 2516 10:22:12.471845  # [   79.782007] Stack: (0xc5aebe38 to 0xc5aec000)

 2517 10:22:12.472122  # [   79.786651] be20:                                                       00000023 c6415000

 2518 10:22:12.472386  # [   79.795120] be40: 0000000c c5aebf60 c5aebe64 c5aebe58 c138aa88 c138a808 c5aebe74 c5aebe68

 2519 10:22:12.472648  # [   79.803587] be60: c0c547ac c138aa70 c5aebe9c c5aebe78 c0c54cac c0c5478c c0c54b8c c611be00

 2520 10:22:12.519216  # [   79.812053] be80: b6e26000 0000000c c5360b40 c5aebf60 c5aebec4 c5aebea0 c07e05cc c0c54b98

 2521 10:22:12.519742  # [   79.820520] bea0: 00000000 c611be00 b6e26000 c2815800 c5aebf60 c07e0568 c5aebf5c c5aebec8

 2522 10:22:12.520088  # [   79.828988] bec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c139fd58 c059b1c4 c5aea000

 2523 10:22:12.520394  # [   79.837455] bee0: b6e26000 00020000 00000004 0000000c 0001fff4 c5aebee0 00000001 b6e25000

 2524 10:22:12.520684  # [   79.845921] bf00: c5b117c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 2525 10:22:12.563132  # [   79.854390] bf20: 00000000 00000000 c139fd58 d31c8684 c205e4c0 c611be00 c611be00 c5aea000

 2526 10:22:12.563617  # [   79.862859] bf40: b6e26000 00000000 00000000 00000004 c5aebf94 c5aebf60 c059b1c4 c059ab18

 2527 10:22:12.563935  # [   79.871327] bf60: 00000000 00000000 c5aebfac d31c8684 0000000c 0000000c b6f6de00 00000004

 2528 10:22:12.564218  # [   79.879794] bf80: c03002e4 c5aea000 c5aebfa4 c5aebf98 c059b254 c059b15c 00000000 c5aebfa8

 2529 10:22:12.564486  # [   79.888261] bfa0: c03000c0 c059b248 0000000c 0000000c 00000001 b6e26000 0000000c 00000000

 2530 10:22:12.607266  # [   79.896729] bfc0: 0000000c 0000000c b6f6de00 00000004 00000001 00000000 00020000 becc2ac4

 2531 10:22:12.607784  # [   79.905196] bfe0: 00000004 becc27f8 b6ed7d8f b6e5e7e6 800e0030 00000001 00000000 00000000

 2532 10:22:12.608126  # [   79.913651] Backtrace: 

 2533 10:22:12.608428  # [   79.916414] [<c138a7fc>] (execute_location) from [<c138aa88>] (lkdtm_EXEC_RODATA+0x24/0x28)

 2534 10:22:12.608717  # [   79.925060]  r7:c5aebf60 r6:0000000c r5:c6415000 r4:00000023

 2535 10:22:12.609002  # [   79.931019] [<c138aa64>] (lkdtm_EXEC_RODATA) from [<c0c547ac>] (lkdtm_do_action+0x2c/0x4c)

 2536 10:22:12.651078  # [   79.939578] [<c0c54780>] (lkdtm_do_action) from [<c0c54cac>] (direct_entry+0x120/0x18c)

 2537 10:22:12.651595  # [   79.947883] [<c0c54b8c>] (direct_entry) from [<c07e05cc>] (full_proxy_write+0x64/0x94)

 2538 10:22:12.651935  # [   79.956092]  r9:c5aebf60 r8:c5360b40 r7:0000000c r6:b6e26000 r5:c611be00 r4:c0c54b8c

 2539 10:22:12.652242  # [   79.964138] [<c07e0568>] (full_proxy_write) from [<c059ac18>] (vfs_write+0x10c/0x53c)

 2540 10:22:12.652534  # [   79.972260]  r9:c07e0568 r8:c5aebf60 r7:c2815800 r6:b6e26000 r5:c611be00 r4:00000000

 2541 10:22:12.652819  # [   79.980297] [<c059ab0c>] (vfs_write) from [<c059b1c4>] (ksys_write+0x74/0xec)

 2542 10:22:12.695243  # [   79.987723]  r10:00000004 r9:00000000 r8:00000000 r7:b6e26000 r6:c5aea000 r5:c611be00

 2543 10:22:12.695754  # [   79.995832]  r4:c611be00

 2544 10:22:12.696092  # [   79.998660] [<c059b150>] (ksys_write) from [<c059b254>] (sys_write+0x18/0x1c)

 2545 10:22:12.696401  # [   80.006086]  r9:c5aea000 r8:c03002e4 r7:00000004 r6:b6f6de00 r5:0000000c r4:0000000c

 2546 10:22:12.696694  # [   80.014125] [<c059b23c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 2547 10:22:12.696977  # [   80.021976] Exception stack(0xc5aebfa8 to 0xc5aebff0)

 2548 10:22:12.739684  # [   80.027316] bfa0:                   0000000c 0000000c 00000001 b6e26000 0000000c 00000000

 2549 10:22:12.740193  # [   80.035784] bfc0: 0000000c 0000000c b6f6de00 00000004 00000001 00000000 00020000 becc2ac4

 2550 10:22:12.740527  # [   80.044246] bfe0: 00000004 becc27f8 b6ed7d8f b6e5e7e6

 2551 10:22:12.740832  # [   80.049589] Code: 5f727563 6e756f63 00000074 aa55aa55 (e1a0c00d) 

 2552 10:22:12.741124  # [   80.055975] ---[ end trace 184820ef97b03c27 ]---

 2553 10:22:12.741411  # EXEC_RODATA: missing 'call trace:': [FAIL]

 2554 10:22:12.741690  not ok 34 selftests: lkdtm: EXEC_RODATA.sh # exit=1

 2555 10:22:12.741969  # selftests: lkdtm: EXEC_USERSPACE.sh

 2556 10:22:12.799615  <6>[   80.657079] lkdtm: Performing direct entry EXEC_USERSPACE

 2557 10:22:12.800122  <6>[   80.662950] lkdtm: attempting ok execution at c0c5551c

 2558 10:22:12.800451  <6>[   80.668550] lkdtm: attempting bad execution at b6f33000

 2559 10:22:12.800754  <1>[   80.674059] Unhandled prefetch abort: page domain fault (0x00b) at 0xb6f33000

 2560 10:22:12.801048  <0>[   80.681468] Internal error: : b [#8] SMP ARM

 2561 10:22:12.843178  <4>[   80.686009] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 2562 10:22:12.843703  <4>[   80.715341] CPU: 1 PID: 2067 Comm: cat Tainted: G      D W         5.10.182-cip34 #1

 2563 10:22:12.844038  <4>[   80.723354] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 2564 10:22:12.844341  <4>[   80.730155] PC is at 0xb6f33000

 2565 10:22:12.844633  <4>[   80.733574] LR is at lkdtm_EXEC_USERSPACE+0xc4/0xd4

 2566 10:22:12.887050  <4>[   80.738721] pc : [<b6f33000>]    lr : [<c0c55670>]    psr: 600e0013

 2567 10:22:12.887567  <4>[   80.745255] sp : c5bf3e48  ip : 00000027  fp : c5bf3e64

 2568 10:22:12.887906  <4>[   80.750747] r10: 0000000f  r9 : c1ad012c  r8 : c15ebcc8

 2569 10:22:12.888212  <4>[   80.756240] r7 : c5bf3f60  r6 : 0000000f  r5 : c5db8000  r4 : b6f33000

 2570 10:22:12.888502  <4>[   80.763036] r3 : 02c49f4e  r2 : 02c49f4e  r1 : ef7965e4  r0 : 0000002b

 2571 10:22:12.888785  <4>[   80.769833] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 2572 10:22:12.889063  <4>[   80.777238] Control: 10c5387d  Table: 1607004a  DAC: 00000051

 2573 10:22:12.931181  <0>[   80.783253] Process cat (pid: 2067, stack limit = 0xaed68845)

 2574 10:22:12.931696  <0>[   80.789271] Stack: (0xc5bf3e48 to 0xc5bf4000)

 2575 10:22:12.932036  <0>[   80.793902] 3e40:                   00000001 00000000 0000000f 00000024 c5bf3e74 c5bf3e68

 2576 10:22:12.932344  <0>[   80.802352] 3e60: c0c547ac c0c555b8 c5bf3e9c c5bf3e78 c0c54cac c0c5478c c0c54b8c c5bf7900

 2577 10:22:12.932636  <0>[   80.810803] 3e80: b6ded000 0000000f c5360b40 c5bf3f60 c5bf3ec4 c5bf3ea0 c07e05cc c0c54b98

 2578 10:22:12.932922  <0>[   80.819253] 3ea0: 00000000 c5bf7900 b6ded000 c2815800 c5bf3f60 c07e0568 c5bf3f5c c5bf3ec8

 2579 10:22:12.975200  <0>[   80.827703] 3ec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c596cb64 c059b1c4 c5bf2000

 2580 10:22:12.975718  <0>[   80.836152] 3ee0: b6ded000 00020000 00000004 0000000f 0001fff1 c5bf3ee0 00000001 00000805

 2581 10:22:12.976055  <0>[   80.844601] 3f00: c4770640 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 2582 10:22:12.976363  <0>[   80.853051] 3f20: 00000000 00000000 c5bf2000 02c49f4e b6dec000 c5bf7900 c5bf7900 c5bf2000

 2583 10:22:12.976657  <0>[   80.861499] 3f40: b6ded000 00000000 00000000 00000004 c5bf3f94 c5bf3f60 c059b1c4 c059ab18

 2584 10:22:13.019197  <0>[   80.869949] 3f60: 00000000 00000000 c5bf3fac 02c49f4e 0000000f 0000000f b6f34e00 00000004

 2585 10:22:13.019715  <0>[   80.878398] 3f80: c03002e4 c5bf2000 c5bf3fa4 c5bf3f98 c059b254 c059b15c 00000000 c5bf3fa8

 2586 10:22:13.020055  <0>[   80.886846] 3fa0: c03000c0 c059b248 0000000f 0000000f 00000001 b6ded000 0000000f 00000000

 2587 10:22:13.020359  <0>[   80.895297] 3fc0: 0000000f 0000000f b6f34e00 00000004 00000001 00000000 00020000 bee1dac4

 2588 10:22:13.020643  <0>[   80.903745] 3fe0: 00000004 bee1d7f8 b6e9ed8f b6e257e6 800e0030 00000001 00000000 00000000

 2589 10:22:13.020925  <0>[   80.912186] Backtrace: 

 2590 10:22:13.063045  <0>[   80.914919] [<c0c555ac>] (lkdtm_EXEC_USERSPACE) from [<c0c547ac>] (lkdtm_do_action+0x2c/0x4c)

 2591 10:22:13.063555  <0>[   80.923713]  r4:00000024

 2592 10:22:13.063881  <0>[   80.926524] [<c0c54780>] (lkdtm_do_action) from [<c0c54cac>] (direct_entry+0x120/0x18c)

 2593 10:22:13.064192  <0>[   80.934806] [<c0c54b8c>] (direct_entry) from [<c07e05cc>] (full_proxy_write+0x64/0x94)

 2594 10:22:13.064485  <0>[   80.942997]  r9:c5bf3f60 r8:c5360b40 r7:0000000f r6:b6ded000 r5:c5bf7900 r4:c0c54b8c

 2595 10:22:13.064771  <0>[   80.951021] [<c07e0568>] (full_proxy_write) from [<c059ac18>] (vfs_write+0x10c/0x53c)

 2596 10:22:13.107271  <0>[   80.959124]  r9:c07e0568 r8:c5bf3f60 r7:c2815800 r6:b6ded000 r5:c5bf7900 r4:00000000

 2597 10:22:13.107785  <0>[   80.967142] [<c059ab0c>] (vfs_write) from [<c059b1c4>] (ksys_write+0x74/0xec)

 2598 10:22:13.108123  <0>[   80.974549]  r10:00000004 r9:00000000 r8:00000000 r7:b6ded000 r6:c5bf2000 r5:c5bf7900

 2599 10:22:13.108431  <0>[   80.982645]  r4:c5bf7900

 2600 10:22:13.108726  <0>[   80.985453] [<c059b150>] (ksys_write) from [<c059b254>] (sys_write+0x18/0x1c)

 2601 10:22:13.109015  <0>[   80.992860]  r9:c5bf2000 r8:c03002e4 r7:00000004 r6:b6f34e00 r5:0000000f r4:0000000f

 2602 10:22:13.155433  <0>[   81.000880] [<c059b23c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 2603 10:22:13.155602  <0>[   81.008716] Exception stack(0xc5bf3fa8 to 0xc5bf3ff0)

 2604 10:22:13.155685  <0>[   81.014038] 3fa0:                   0000000f 0000000f 00000001 b6ded000 0000000f 00000000

 2605 10:22:13.155745  <0>[   81.022488] 3fc0: 0000000f 0000000f b6f34e00 00000004 00000001 00000000 00020000 bee1dac4

 2606 10:22:13.155838  <0>[   81.030934] 3fe0: 00000004 bee1d7f8 b6e9ed8f b6e257e6

 2607 10:22:13.155892  <0>[   81.036262] Code: bad PC value

 2608 10:22:13.155959  <4>[   81.039594] ---[ end trace 184820ef97b03c28 ]---

 2609 10:22:13.156025  # Segmentation fault

 2610 10:22:13.311037  # [   80.657079] lkdtm: Performing direct entry EXEC_USERSPACE

 2611 10:22:13.311185  # [   80.662950] lkdtm: attempting ok execution at c0c5551c

 2612 10:22:13.311249  # [   80.668550] lkdtm: attempting bad execution at b6f33000

 2613 10:22:13.311309  # [   80.674059] Unhandled prefetch abort: page domain fault (0x00b) at 0xb6f33000

 2614 10:22:13.311380  # [   80.681468] Internal error: : b [#8] SMP ARM

 2615 10:22:13.354680  # [   80.686009] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 2616 10:22:13.354765  # [   80.715341] CPU: 1 PID: 2067 Comm: cat Tainted: G      D W         5.10.182-cip34 #1

 2617 10:22:13.354829  # [   80.723354] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 2618 10:22:13.354889  # [   80.730155] PC is at 0xb6f33000

 2619 10:22:13.354944  # [   80.733574] LR is at lkdtm_EXEC_USERSPACE+0xc4/0xd4

 2620 10:22:13.398698  # [   80.738721] pc : [<b6f33000>]    lr : [<c0c55670>]    psr: 600e0013

 2621 10:22:13.398780  # [   80.745255] sp : c5bf3e48  ip : 00000027  fp : c5bf3e64

 2622 10:22:13.398844  # [   80.750747] r10: 0000000f  r9 : c1ad012c  r8 : c15ebcc8

 2623 10:22:13.398903  # [   80.756240] r7 : c5bf3f60  r6 : 0000000f  r5 : c5db8000  r4 : b6f33000

 2624 10:22:13.398959  # [   80.763036] r3 : 02c49f4e  r2 : 02c49f4e  r1 : ef7965e4  r0 : 0000002b

 2625 10:22:13.399015  # [   80.769833] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 2626 10:22:13.399068  # [   80.777238] Control: 10c5387d  Table: 1607004a  DAC: 00000051

 2627 10:22:13.442669  # [   80.783253] Process cat (pid: 2067, stack limit = 0xaed68845)

 2628 10:22:13.442749  # [   80.789271] Stack: (0xc5bf3e48 to 0xc5bf4000)

 2629 10:22:13.442812  # [   80.793902] 3e40:                   00000001 00000000 0000000f 00000024 c5bf3e74 c5bf3e68

 2630 10:22:13.442871  # [   80.802352] 3e60: c0c547ac c0c555b8 c5bf3e9c c5bf3e78 c0c54cac c0c5478c c0c54b8c c5bf7900

 2631 10:22:13.442927  # [   80.810803] 3e80: b6ded000 0000000f c5360b40 c5bf3f60 c5bf3ec4 c5bf3ea0 c07e05cc c0c54b98

 2632 10:22:13.442982  # [   80.819253] 3ea0: 00000000 c5bf7900 b6ded000 c2815800 c5bf3f60 c07e0568 c5bf3f5c c5bf3ec8

 2633 10:22:13.486906  # [   80.827703] 3ec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c596cb64 c059b1c4 c5bf2000

 2634 10:22:13.487080  # [   80.836152] 3ee0: b6ded000 00020000 00000004 0000000f 0001fff1 c5bf3ee0 00000001 00000805

 2635 10:22:13.487175  # [   80.844601] 3f00: c4770640 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 2636 10:22:13.487260  # [   80.853051] 3f20: 00000000 00000000 c5bf2000 02c49f4e b6dec000 c5bf7900 c5bf7900 c5bf2000

 2637 10:22:13.487330  # [   80.861499] 3f40: b6ded000 00000000 00000000 00000004 c5bf3f94 c5bf3f60 c059b1c4 c059ab18

 2638 10:22:13.530991  # [   80.869949] 3f60: 00000000 00000000 c5bf3fac 02c49f4e 0000000f 0000000f b6f34e00 00000004

 2639 10:22:13.531320  # [   80.878398] 3f80: c03002e4 c5bf2000 c5bf3fa4 c5bf3f98 c059b254 c059b15c 00000000 c5bf3fa8

 2640 10:22:13.531520  # [   80.886846] 3fa0: c03000c0 c059b248 0000000f 0000000f 00000001 b6ded000 0000000f 00000000

 2641 10:22:13.531701  # [   80.895297] 3fc0: 0000000f 0000000f b6f34e00 00000004 00000001 00000000 00020000 bee1dac4

 2642 10:22:13.531875  # [   80.903745] 3fe0: 00000004 bee1d7f8 b6e9ed8f b6e257e6 800e0030 00000001 00000000 00000000

 2643 10:22:13.532038  # [   80.912186] Backtrace: 

 2644 10:22:13.575049  # [   80.914919] [<c0c555ac>] (lkdtm_EXEC_USERSPACE) from [<c0c547ac>] (lkdtm_do_action+0x2c/0x4c)

 2645 10:22:13.575533  # [   80.923713]  r4:00000024

 2646 10:22:13.575858  # [   80.926524] [<c0c54780>] (lkdtm_do_action) from [<c0c54cac>] (direct_entry+0x120/0x18c)

 2647 10:22:13.576141  # [   80.934806] [<c0c54b8c>] (direct_entry) from [<c07e05cc>] (full_proxy_write+0x64/0x94)

 2648 10:22:13.576408  # [   80.942997]  r9:c5bf3f60 r8:c5360b40 r7:0000000f r6:b6ded000 r5:c5bf7900 r4:c0c54b8c

 2649 10:22:13.576669  # [   80.951021] [<c07e0568>] (full_proxy_write) from [<c059ac18>] (vfs_write+0x10c/0x53c)

 2650 10:22:13.619126  # [   80.959124]  r9:c07e0568 r8:c5bf3f60 r7:c2815800 r6:b6ded000 r5:c5bf7900 r4:00000000

 2651 10:22:13.619611  # [   80.967142] [<c059ab0c>] (vfs_write) from [<c059b1c4>] (ksys_write+0x74/0xec)

 2652 10:22:13.619926  # [   80.974549]  r10:00000004 r9:00000000 r8:00000000 r7:b6ded000 r6:c5bf2000 r5:c5bf7900

 2653 10:22:13.620206  # [   80.982645]  r4:c5bf7900

 2654 10:22:13.620471  # [   80.985453] [<c059b150>] (ksys_write) from [<c059b254>] (sys_write+0x18/0x1c)

 2655 10:22:13.620732  # [   80.992860]  r9:c5bf2000 r8:c03002e4 r7:00000004 r6:b6f34e00 r5:0000000f r4:0000000f

 2656 10:22:13.663347  # [   81.000880] [<c059b23c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 2657 10:22:13.663857  # [   81.008716] Exception stack(0xc5bf3fa8 to 0xc5bf3ff0)

 2658 10:22:13.664195  # [   81.014038] 3fa0:                   0000000f 0000000f 00000001 b6ded000 0000000f 00000000

 2659 10:22:13.664504  # [   81.022488] 3fc0: 0000000f 0000000f b6f34e00 00000004 00000001 00000000 00020000 bee1dac4

 2660 10:22:13.664797  # [   81.030934] 3fe0: 00000004 bee1d7f8 b6e9ed8f b6e257e6

 2661 10:22:13.665079  # [   81.036262] Code: bad PC value

 2662 10:22:13.665356  # [   81.039594] ---[ end trace 184820ef97b03c28 ]---

 2663 10:22:13.665631  # EXEC_USERSPACE: missing 'call trace:': [FAIL]

 2664 10:22:13.707055  not ok 35 selftests: lkdtm: EXEC_USERSPACE.sh # exit=1

 2665 10:22:13.707234  # selftests: lkdtm: EXEC_NULL.sh

 2666 10:22:13.738782  <6>[   81.597421] lkdtm: Performing direct entry EXEC_NULL

 2667 10:22:13.738970  <6>[   81.602673] lkdtm: attempting ok execution at c0c5551c

 2668 10:22:13.739034  <6>[   81.608166] lkdtm: attempting bad execution at 00000000

 2669 10:22:13.739121  <1>[   81.613678] 8<--- cut here ---

 2670 10:22:13.739192  <1>[   81.617010] Unable to handle kernel NULL pointer dereference at virtual address 00000000

 2671 10:22:13.739301  <1>[   81.625437] pgd = 5fd3edca

 2672 10:22:13.739355  <1>[   81.628473] [00000000] *pgd=00000000

 2673 10:22:13.739422  <0>[   81.632385] Internal error: Oops: 80000005 [#9] SMP ARM

 2674 10:22:13.782891  <4>[   81.637892] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 2675 10:22:13.783065  <4>[   81.667218] CPU: 3 PID: 2138 Comm: cat Tainted: G      D W         5.10.182-cip34 #1

 2676 10:22:13.783148  <4>[   81.675231] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 2677 10:22:13.826997  <4>[   81.682032] PC is at 0x0

 2678 10:22:13.827220  <4>[   81.684850] LR is at execute_location+0xa4/0xb4

 2679 10:22:13.827346  <4>[   81.689650] pc : [<00000000>]    lr : [<c138a8a0>]    psr: 600e0013

 2680 10:22:13.827460  <4>[   81.696186] sp : c59b9e38  ip : 00000027  fp : c59b9e54

 2681 10:22:13.827567  <4>[   81.701678] r10: 0000000a  r9 : c1ad013c  r8 : c15ebcc8

 2682 10:22:13.827673  <4>[   81.707171] r7 : c59b9f60  r6 : 00000000  r5 : 00000000  r4 : c0c5551c

 2683 10:22:13.827778  <4>[   81.713967] r3 : 79b1bf22  r2 : 79b1bf22  r1 : ef7c05e4  r0 : 0000002b

 2684 10:22:13.871181  <4>[   81.720763] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 2685 10:22:13.871639  <4>[   81.728170] Control: 10c5387d  Table: 163a804a  DAC: 00000051

 2686 10:22:13.871935  <0>[   81.734185] Process cat (pid: 2138, stack limit = 0xda2062a3)

 2687 10:22:13.872239  <0>[   81.740201] Stack: (0xc59b9e38 to 0xc59ba000)

 2688 10:22:13.872532  <0>[   81.744829] 9e20:                                                       00000025 c646e000

 2689 10:22:13.872824  <0>[   81.753280] 9e40: 0000000a c59b9f60 c59b9e64 c59b9e58 c138aaac c138a808 c59b9e74 c59b9e68

 2690 10:22:13.873111  <0>[   81.761728] 9e60: c0c547ac c138aa98 c59b9e9c c59b9e78 c0c54cac c0c5478c c0c54b8c c61177c0

 2691 10:22:13.915224  <0>[   81.770177] 9e80: b6e3c000 0000000a c5360b40 c59b9f60 c59b9ec4 c59b9ea0 c07e05cc c0c54b98

 2692 10:22:13.915737  <0>[   81.778627] 9ea0: 00000000 c61177c0 b6e3c000 c2815800 c59b9f60 c07e0568 c59b9f5c c59b9ec8

 2693 10:22:13.916081  <0>[   81.787076] 9ec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c139fd58 c059b1c4 c59b8000

 2694 10:22:13.916389  <0>[   81.795524] 9ee0: b6e3c000 00020000 00000004 0000000a 0001fff6 c59b9ee0 00000001 b6e3b000

 2695 10:22:13.916681  <0>[   81.803973] 9f00: c5bf7cc0 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 2696 10:22:13.959200  <0>[   81.812422] 9f20: 00000000 00000000 c139fd58 79b1bf22 c205e4c0 c61177c0 c61177c0 c59b8000

 2697 10:22:13.959718  <0>[   81.820872] 9f40: b6e3c000 00000000 00000000 00000004 c59b9f94 c59b9f60 c059b1c4 c059ab18

 2698 10:22:13.960061  <0>[   81.829322] 9f60: 00000000 00000000 c59b9fac 79b1bf22 0000000a 0000000a b6f83e00 00000004

 2699 10:22:13.960370  <0>[   81.837771] 9f80: c03002e4 c59b8000 c59b9fa4 c59b9f98 c059b254 c059b15c 00000000 c59b9fa8

 2700 10:22:13.960662  <0>[   81.846220] 9fa0: c03000c0 c059b248 0000000a 0000000a 00000001 b6e3c000 0000000a 00000000

 2701 10:22:14.003207  <0>[   81.854669] 9fc0: 0000000a 0000000a b6f83e00 00000004 00000001 00000000 00020000 bea7aac4

 2702 10:22:14.003725  <0>[   81.863118] 9fe0: 00000004 bea7a7f8 b6eedd8f b6e747e6 800e0030 00000001 00000000 00000000

 2703 10:22:14.004065  <0>[   81.871561] Backtrace: 

 2704 10:22:14.004364  <0>[   81.874296] [<c138a7fc>] (execute_location) from [<c138aaac>] (lkdtm_EXEC_NULL+0x20/0x24)

 2705 10:22:14.004656  <0>[   81.882747]  r7:c59b9f60 r6:0000000a r5:c646e000 r4:00000025

 2706 10:22:14.004943  <0>[   81.888686] [<c138aa8c>] (lkdtm_EXEC_NULL) from [<c0c547ac>] (lkdtm_do_action+0x2c/0x4c)

 2707 10:22:14.047047  <0>[   81.897052] [<c0c54780>] (lkdtm_do_action) from [<c0c54cac>] (direct_entry+0x120/0x18c)

 2708 10:22:14.047213  <0>[   81.905335] [<c0c54b8c>] (direct_entry) from [<c07e05cc>] (full_proxy_write+0x64/0x94)

 2709 10:22:14.047291  <0>[   81.913524]  r9:c59b9f60 r8:c5360b40 r7:0000000a r6:b6e3c000 r5:c61177c0 r4:c0c54b8c

 2710 10:22:14.047367  <0>[   81.921547] [<c07e0568>] (full_proxy_write) from [<c059ac18>] (vfs_write+0x10c/0x53c)

 2711 10:22:14.047436  <0>[   81.929653]  r9:c07e0568 r8:c59b9f60 r7:c2815800 r6:b6e3c000 r5:c61177c0 r4:00000000

 2712 10:22:14.090828  <0>[   81.937674] [<c059ab0c>] (vfs_write) from [<c059b1c4>] (ksys_write+0x74/0xec)

 2713 10:22:14.091025  <0>[   81.945084]  r10:00000004 r9:00000000 r8:00000000 r7:b6e3c000 r6:c59b8000 r5:c61177c0

 2714 10:22:14.091124  <0>[   81.953180]  r4:c61177c0

 2715 10:22:14.091215  <0>[   81.955989] [<c059b150>] (ksys_write) from [<c059b254>] (sys_write+0x18/0x1c)

 2716 10:22:14.091304  <0>[   81.963399]  r9:c59b8000 r8:c03002e4 r7:00000004 r6:b6f83e00 r5:0000000a r4:0000000a

 2717 10:22:14.091391  <0>[   81.971421] [<c059b23c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 2718 10:22:14.091476  <0>[   81.979260] Exception stack(0xc59b9fa8 to 0xc59b9ff0)

 2719 10:22:14.135091  <0>[   81.984584] 9fa0:                   0000000a 0000000a 00000001 b6e3c000 0000000a 00000000

 2720 10:22:14.135573  <0>[   81.993033] 9fc0: 0000000a 0000000a b6f83e00 00000004 00000001 00000000 00020000 bea7aac4

 2721 10:22:14.135874  <0>[   82.001481] 9fe0: 00000004 bea7a7f8 b6eedd8f b6e747e6

 2722 10:22:14.136180  <0>[   82.006809] Code: bad PC value

 2723 10:22:14.136472  <4>[   82.010230] ---[ end trace 184820ef97b03c29 ]---

 2724 10:22:14.136757  # Segmentation fault

 2725 10:22:14.270930  # [   81.597421] lkdtm: Performing direct entry EXEC_NULL

 2726 10:22:14.271090  # [   81.602673] lkdtm: attempting ok execution at c0c5551c

 2727 10:22:14.271162  # [   81.608166] lkdtm: attempting bad execution at 00000000

 2728 10:22:14.271230  # [   81.613678] 8<--- cut here ---

 2729 10:22:14.271298  # [   81.617010] Unable to handle kernel NULL pointer dereference at virtual address 00000000

 2730 10:22:14.271363  # [   81.625437] pgd = 5fd3edca

 2731 10:22:14.271425  # [   81.628473] [00000000] *pgd=00000000

 2732 10:22:14.271487  # [   81.632385] Internal error: Oops: 80000005 [#9] SMP ARM

 2733 10:22:14.314703  # [   81.637892] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 2734 10:22:14.314787  # [   81.667218] CPU: 3 PID: 2138 Comm: cat Tainted: G      D W         5.10.182-cip34 #1

 2735 10:22:14.314851  # [   81.675231] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 2736 10:22:14.314948  # [   81.682032] PC is at 0x0

 2737 10:22:14.358678  # [   81.684850] LR is at execute_location+0xa4/0xb4

 2738 10:22:14.358764  # [   81.689650] pc : [<00000000>]    lr : [<c138a8a0>]    psr: 600e0013

 2739 10:22:14.358828  # [   81.696186] sp : c59b9e38  ip : 00000027  fp : c59b9e54

 2740 10:22:14.358886  # [   81.701678] r10: 0000000a  r9 : c1ad013c  r8 : c15ebcc8

 2741 10:22:14.358941  # [   81.707171] r7 : c59b9f60  r6 : 00000000  r5 : 00000000  r4 : c0c5551c

 2742 10:22:14.358996  # [   81.713967] r3 : 79b1bf22  r2 : 79b1bf22  r1 : ef7c05e4  r0 : 0000002b

 2743 10:22:14.359050  # [   81.720763] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 2744 10:22:14.402778  # [   81.728170] Control: 10c5387d  Table: 163a804a  DAC: 00000051

 2745 10:22:14.402864  # [   81.734185] Process cat (pid: 2138, stack limit = 0xda2062a3)

 2746 10:22:14.402932  # [   81.740201] Stack: (0xc59b9e38 to 0xc59ba000)

 2747 10:22:14.402994  # [   81.744829] 9e20:                                                       00000025 c646e000

 2748 10:22:14.403054  # [   81.753280] 9e40: 0000000a c59b9f60 c59b9e64 c59b9e58 c138aaac c138a808 c59b9e74 c59b9e68

 2749 10:22:14.403112  # [   81.761728] 9e60: c0c547ac c138aa98 c59b9e9c c59b9e78 c0c54cac c0c5478c c0c54b8c c61177c0

 2750 10:22:14.446927  # [   81.770177] 9e80: b6e3c000 0000000a c5360b40 c59b9f60 c59b9ec4 c59b9ea0 c07e05cc c0c54b98

 2751 10:22:14.447215  # [   81.778627] 9ea0: 00000000 c61177c0 b6e3c000 c2815800 c59b9f60 c07e0568 c59b9f5c c59b9ec8

 2752 10:22:14.447389  # [   81.787076] 9ec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c139fd58 c059b1c4 c59b8000

 2753 10:22:14.447544  # [   81.795524] 9ee0: b6e3c000 00020000 00000004 0000000a 0001fff6 c59b9ee0 00000001 b6e3b000

 2754 10:22:14.447691  # [   81.803973] 9f00: c5bf7cc0 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 2755 10:22:14.491253  # [   81.812422] 9f20: 00000000 00000000 c139fd58 79b1bf22 c205e4c0 c61177c0 c61177c0 c59b8000

 2756 10:22:14.491739  # [   81.820872] 9f40: b6e3c000 00000000 00000000 00000004 c59b9f94 c59b9f60 c059b1c4 c059ab18

 2757 10:22:14.492051  # [   81.829322] 9f60: 00000000 00000000 c59b9fac 79b1bf22 0000000a 0000000a b6f83e00 00000004

 2758 10:22:14.492330  # [   81.837771] 9f80: c03002e4 c59b8000 c59b9fa4 c59b9f98 c059b254 c059b15c 00000000 c59b9fa8

 2759 10:22:14.492595  # [   81.846220] 9fa0: c03000c0 c059b248 0000000a 0000000a 00000001 b6e3c000 0000000a 00000000

 2760 10:22:14.535115  # [   81.854669] 9fc0: 0000000a 0000000a b6f83e00 00000004 00000001 00000000 00020000 bea7aac4

 2761 10:22:14.535630  # [   81.863118] 9fe0: 00000004 bea7a7f8 b6eedd8f b6e747e6 800e0030 00000001 00000000 00000000

 2762 10:22:14.535967  # [   81.871561] Backtrace: 

 2763 10:22:14.536270  # [   81.874296] [<c138a7fc>] (execute_location) from [<c138aaac>] (lkdtm_EXEC_NULL+0x20/0x24)

 2764 10:22:14.536565  # [   81.882747]  r7:c59b9f60 r6:0000000a r5:c646e000 r4:00000025

 2765 10:22:14.536854  # [   81.888686] [<c138aa8c>] (lkdtm_EXEC_NULL) from [<c0c547ac>] (lkdtm_do_action+0x2c/0x4c)

 2766 10:22:14.579252  # [   81.897052] [<c0c54780>] (lkdtm_do_action) from [<c0c54cac>] (direct_entry+0x120/0x18c)

 2767 10:22:14.579770  # [   81.905335] [<c0c54b8c>] (direct_entry) from [<c07e05cc>] (full_proxy_write+0x64/0x94)

 2768 10:22:14.580109  # [   81.913524]  r9:c59b9f60 r8:c5360b40 r7:0000000a r6:b6e3c000 r5:c61177c0 r4:c0c54b8c

 2769 10:22:14.580414  # [   81.921547] [<c07e0568>] (full_proxy_write) from [<c059ac18>] (vfs_write+0x10c/0x53c)

 2770 10:22:14.580706  # [   81.929653]  r9:c07e0568 r8:c59b9f60 r7:c2815800 r6:b6e3c000 r5:c61177c0 r4:00000000

 2771 10:22:14.580990  # [   81.937674] [<c059ab0c>] (vfs_write) from [<c059b1c4>] (ksys_write+0x74/0xec)

 2772 10:22:14.623350  # [   81.945084]  r10:00000004 r9:00000000 r8:00000000 r7:b6e3c000 r6:c59b8000 r5:c61177c0

 2773 10:22:14.623847  # [   81.953180]  r4:c61177c0

 2774 10:22:14.624207  # [   81.955989] [<c059b150>] (ksys_write) from [<c059b254>] (sys_write+0x18/0x1c)

 2775 10:22:14.624518  # [   81.963399]  r9:c59b8000 r8:c03002e4 r7:00000004 r6:b6f83e00 r5:0000000a r4:0000000a

 2776 10:22:14.624814  # [   81.971421] [<c059b23c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 2777 10:22:14.625102  # [   81.979260] Exception stack(0xc59b9fa8 to 0xc59b9ff0)

 2778 10:22:14.667023  # [   81.984584] 9fa0:                   0000000a 0000000a 00000001 b6e3c000 0000000a 00000000

 2779 10:22:14.667533  # [   81.993033] 9fc0: 0000000a 0000000a b6f83e00 00000004 00000001 00000000 00020000 bea7aac4

 2780 10:22:14.667861  # [   82.001481] 9fe0: 00000004 bea7a7f8 b6eedd8f b6e747e6

 2781 10:22:14.668118  # [   82.006809] Code: bad PC value

 2782 10:22:14.668204  # [   82.010230] ---[ end trace 184820ef97b03c29 ]---

 2783 10:22:14.668276  # EXEC_NULL: missing 'call trace:': [FAIL]

 2784 10:22:14.668330  not ok 36 selftests: lkdtm:<6>[   82.545725] lkdtm: Performing direct entry ACCESS_USERSPACE

 2785 10:22:14.668385   EXEC_NULL.sh # exit=1

 2786 10:22:14.668438  # selftes<6>[   82.552821] lkdtm: attempting bad read at b6f88000

 2787 10:22:14.711235  ts: lkdtm: ACCESS_USERSPACE.sh

 2788 10:22:14.711747  <1>[   82.560579] 8<--- cut here ---

 2789 10:22:14.712088  <1>[   82.566587] Unhandled fault: page domain fault (0x01b) at 0xb6f88000

 2790 10:22:14.712395  <1>[   82.573222] pgd = 4b5bfd36

 2791 10:22:14.712684  <1>[   82.576200] [b6f88000] *pgd=49120831

 2792 10:22:14.712968  <0>[   82.580058] Internal error: : 1b [#10] SMP ARM

 2793 10:22:14.755246  <4>[   82.584773] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 2794 10:22:14.755773  <4>[   82.614108] CPU: 1 PID: 2214 Comm: cat Tainted: G      D W         5.10.182-cip34 #1

 2795 10:22:14.756114  <4>[   82.622120] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 2796 10:22:14.756422  <4>[   82.628928] PC is at lkdtm_ACCESS_USERSPACE+0x114/0x16c

 2797 10:22:14.756714  <4>[   82.634435] LR is at __irq_work_queue_local+0x40/0x74

 2798 10:22:14.756998  <4>[   82.639756] pc : [<c0c55794>]    lr : [<c049d9c4>]    psr: 600e0013

 2799 10:22:14.799238  <4>[   82.646292] sp : c59b9e38  ip : c59b9d40  fp : c59b9e64

 2800 10:22:14.799751  <4>[   82.651785] r10: 00000011  r9 : c1ad0148  r8 : c15ebcc8

 2801 10:22:14.800134  <4>[   82.657279] r7 : c59b9f60  r6 : 00000051  r5 : c59b8000  r4 : b6f88000

 2802 10:22:14.800455  <4>[   82.664074] r3 : ab969d9a  r2 : ab969d9a  r1 : ef7965e0  r0 : 00000026

 2803 10:22:14.800754  <4>[   82.670871] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 2804 10:22:14.801049  <4>[   82.678275] Control: 10c5387d  Table: 1651004a  DAC: 00000051

 2805 10:22:14.801332  <0>[   82.684291] Process cat (pid: 2214, stack limit = 0xda2062a3)

 2806 10:22:14.843278  <0>[   82.690307] Stack: (0xc59b9e38 to 0xc59ba000)

 2807 10:22:14.843792  <0>[   82.694936] 9e20:                                                       00000022 00000000

 2808 10:22:14.844130  <0>[   82.703385] 9e40: 00000000 ab969d9a c59b9e6c 00000026 c5da5000 00000011 c59b9e74 c59b9e68

 2809 10:22:14.844436  <0>[   82.711834] 9e60: c0c547ac c0c5568c c59b9e9c c59b9e78 c0c54cac c0c5478c c0c54b8c c5ad83c0

 2810 10:22:14.844729  <0>[   82.720285] 9e80: b6e42000 00000011 c5360b40 c59b9f60 c59b9ec4 c59b9ea0 c07e05cc c0c54b98

 2811 10:22:14.887340  <0>[   82.728734] 9ea0: 00000000 c5ad83c0 b6e42000 c2815800 c59b9f60 c07e0568 c59b9f5c c59b9ec8

 2812 10:22:14.887859  <0>[   82.737184] 9ec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c139fd58 c059b1c4 c59b8000

 2813 10:22:14.888201  <0>[   82.745634] 9ee0: b6e42000 00020000 00000004 00000011 0001ffef c59b9ee0 00000001 b6e41000

 2814 10:22:14.888508  <0>[   82.754081] 9f00: c4770640 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 2815 10:22:14.888799  <0>[   82.762531] 9f20: 00000000 00000000 c139fd58 ab969d9a c205e4c0 c5ad83c0 c5ad83c0 c59b8000

 2816 10:22:14.931341  <0>[   82.770978] 9f40: b6e42000 00000000 00000000 00000004 c59b9f94 c59b9f60 c059b1c4 c059ab18

 2817 10:22:14.931857  <0>[   82.779427] 9f60: 00000000 00000000 c59b9fac ab969d9a 00000011 00000011 b6f89e00 00000004

 2818 10:22:14.932195  <0>[   82.787876] 9f80: c03002e4 c59b8000 c59b9fa4 c59b9f98 c059b254 c059b15c 00000000 c59b9fa8

 2819 10:22:14.932499  <0>[   82.796325] 9fa0: c03000c0 c059b248 00000011 00000011 00000001 b6e42000 00000011 00000000

 2820 10:22:14.932793  <0>[   82.804775] 9fc0: 00000011 00000011 b6f89e00 00000004 00000001 00000000 00020000 be88fac4

 2821 10:22:14.975351  <0>[   82.813224] 9fe0: 00000004 be88f7f8 b6ef3d8f b6e7a7e6 800e0030 00000001 00000000 00000000

 2822 10:22:14.975866  <0>[   82.821667] Backtrace: 

 2823 10:22:14.976204  <0>[   82.824399] [<c0c55680>] (lkdtm_ACCESS_USERSPACE) from [<c0c547ac>] (lkdtm_do_action+0x2c/0x4c)

 2824 10:22:14.976509  <0>[   82.833369]  r6:00000011 r5:c5da5000 r4:00000026

 2825 10:22:14.976800  <0>[   82.838262] [<c0c54780>] (lkdtm_do_action) from [<c0c54cac>] (direct_entry+0x120/0x18c)

 2826 10:22:14.977087  <0>[   82.846546] [<c0c54b8c>] (direct_entry) from [<c07e05cc>] (full_proxy_write+0x64/0x94)

 2827 10:22:14.977369  <0>[   82.854735]  r9:c59b9f60 r8:c5360b40 r7:00000011 r6:b6e42000 r5:c5ad83c0 r4:c0c54b8c

 2828 10:22:15.019334  <0>[   82.862758] [<c07e0568>] (full_proxy_write) from [<c059ac18>] (vfs_write+0x10c/0x53c)

 2829 10:22:15.019849  <0>[   82.870861]  r9:c07e0568 r8:c59b9f60 r7:c2815800 r6:b6e42000 r5:c5ad83c0 r4:00000000

 2830 10:22:15.020191  <0>[   82.878877] [<c059ab0c>] (vfs_write) from [<c059b1c4>] (ksys_write+0x74/0xec)

 2831 10:22:15.020496  <0>[   82.886285]  r10:00000004 r9:00000000 r8:00000000 r7:b6e42000 r6:c59b8000 r5:c5ad83c0

 2832 10:22:15.020787  <0>[   82.894382]  r4:c5ad83c0

 2833 10:22:15.021072  <0>[   82.897190] [<c059b150>] (ksys_write) from [<c059b254>] (sys_write+0x18/0x1c)

 2834 10:22:15.062958  <0>[   82.904598]  r9:c59b8000 r8:c03002e4 r7:00000004 r6:b6f89e00 r5:00000011 r4:00000011

 2835 10:22:15.063500  <0>[   82.912617] [<c059b23c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 2836 10:22:15.063839  <0>[   82.920454] Exception stack(0xc59b9fa8 to 0xc59b9ff0)

 2837 10:22:15.064148  <0>[   82.925777] 9fa0:                   00000011 00000011 00000001 b6e42000 00000011 00000000

 2838 10:22:15.064443  <0>[   82.934228] 9fc0: 00000011 00000011 b6f89e00 00000004 00000001 00000000 00020000 be88fac4

 2839 10:22:15.064732  <0>[   82.942675] 9fe0: 00000004 be88f7f8 b6ef3d8f b6e7a7e6

 2840 10:22:15.106815  <0>[   82.948002] Code: e1a01004 e301006c e34c01ad eb1ca8b8 (e5943000) 

 2841 10:22:15.106981  <4>[   82.954370] ---[ end trace 184820ef97b03c2a ]---

 2842 10:22:15.107045  # Segmentation fault

 2843 10:22:15.245673  # [   82.545725] lkdtm: Performing direct entry ACCESS_USERSPACE

 2844 10:22:15.245822  # [   82.552821] lkdtm: attempting bad read at b6f88000

 2845 10:22:15.245886  # [   82.560579] 8<--- cut here ---

 2846 10:22:15.245976  # [   82.566587] Unhandled fault: page domain fault (0x01b) at 0xb6f88000

 2847 10:22:15.246033  # [   82.573222] pgd = 4b5bfd36

 2848 10:22:15.246086  # [   82.576200] [b6f88000] *pgd=49120831

 2849 10:22:15.246140  # [   82.580058] Internal error: : 1b [#10] SMP ARM

 2850 10:22:15.288687  # [   82.584773] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 2851 10:22:15.288771  # [   82.614108] CPU: 1 PID: 2214 Comm: cat Tainted: G      D W         5.10.182-cip34 #1

 2852 10:22:15.288836  # [   82.622120] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 2853 10:22:15.288911  # [   82.628928] PC is at lkdtm_ACCESS_USERSPACE+0x114/0x16c

 2854 10:22:15.288981  # [   82.634435] LR is at __irq_work_queue_local+0x40/0x74

 2855 10:22:15.331837  # [   82.639756] pc : [<c0c55794>]    lr : [<c049d9c4>]    psr: 600e0013

 2856 10:22:15.331917  # [   82.646292] sp : c59b9e38  ip : c59b9d40  fp : c59b9e64

 2857 10:22:15.331981  # [   82.651785] r10: 00000011  r9 : c1ad0148  r8 : c15ebcc8

 2858 10:22:15.332070  # [   82.657279] r7 : c59b9f60  r6 : 00000051  r5 : c59b8000  r4 : b6f88000

 2859 10:22:15.332127  # [   82.664074] r3 : ab969d9a  r2 : ab969d9a  r1 : ef7965e0  r0 : 00000026

 2860 10:22:15.332182  # [   82.670871] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 2861 10:22:15.332237  # [   82.678275] Control: 10c5387d  Table: 1651004a  DAC: 00000051

 2862 10:22:15.375280  # [   82.684291] Process cat (pid: 2214, stack limit = 0xda2062a3)

 2863 10:22:15.375730  # [   82.690307] Stack: (0xc59b9e38 to 0xc59ba000)

 2864 10:22:15.376020  # [   82.694936] 9e20:                                                       00000022 00000000

 2865 10:22:15.376279  # [   82.703385] 9e40: 00000000 ab969d9a c59b9e6c 00000026 c5da5000 00000011 c59b9e74 c59b9e68

 2866 10:22:15.376551  # [   82.711834] 9e60: c0c547ac c0c5568c c59b9e9c c59b9e78 c0c54cac c0c5478c c0c54b8c c5ad83c0

 2867 10:22:15.376812  # [   82.720285] 9e80: b6e42000 00000011 c5360b40 c59b9f60 c59b9ec4 c59b9ea0 c07e05cc c0c54b98

 2868 10:22:15.419068  # [   82.728734] 9ea0: 00000000 c5ad83c0 b6e42000 c2815800 c59b9f60 c07e0568 c59b9f5c c59b9ec8

 2869 10:22:15.419556  # [   82.737184] 9ec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c139fd58 c059b1c4 c59b8000

 2870 10:22:15.419891  # [   82.745634] 9ee0: b6e42000 00020000 00000004 00000011 0001ffef c59b9ee0 00000001 b6e41000

 2871 10:22:15.420173  # [   82.754081] 9f00: c4770640 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 2872 10:22:15.420443  # [   82.762531] 9f20: 00000000 00000000 c139fd58 ab969d9a c205e4c0 c5ad83c0 c5ad83c0 c59b8000

 2873 10:22:15.463062  # [   82.770978] 9f40: b6e42000 00000000 00000000 00000004 c59b9f94 c59b9f60 c059b1c4 c059ab18

 2874 10:22:15.463554  # [   82.779427] 9f60: 00000000 00000000 c59b9fac ab969d9a 00000011 00000011 b6f89e00 00000004

 2875 10:22:15.463881  # [   82.787876] 9f80: c03002e4 c59b8000 c59b9fa4 c59b9f98 c059b254 c059b15c 00000000 c59b9fa8

 2876 10:22:15.464164  # [   82.796325] 9fa0: c03000c0 c059b248 00000011 00000011 00000001 b6e42000 00000011 00000000

 2877 10:22:15.464432  # [   82.804775] 9fc0: 00000011 00000011 b6f89e00 00000004 00000001 00000000 00020000 be88fac4

 2878 10:22:15.507018  # [   82.813224] 9fe0: 00000004 be88f7f8 b6ef3d8f b6e7a7e6 800e0030 00000001 00000000 00000000

 2879 10:22:15.507515  # [   82.821667] Backtrace: 

 2880 10:22:15.507829  # [   82.824399] [<c0c55680>] (lkdtm_ACCESS_USERSPACE) from [<c0c547ac>] (lkdtm_do_action+0x2c/0x4c)

 2881 10:22:15.508107  # [   82.833369]  r6:00000011 r5:c5da5000 r4:00000026

 2882 10:22:15.508376  # [   82.838262] [<c0c54780>] (lkdtm_do_action) from [<c0c54cac>] (direct_entry+0x120/0x18c)

 2883 10:22:15.508643  # [   82.846546] [<c0c54b8c>] (direct_entry) from [<c07e05cc>] (full_proxy_write+0x64/0x94)

 2884 10:22:15.551220  # [   82.854735]  r9:c59b9f60 r8:c5360b40 r7:00000011 r6:b6e42000 r5:c5ad83c0 r4:c0c54b8c

 2885 10:22:15.551701  # [   82.862758] [<c07e0568>] (full_proxy_write) from [<c059ac18>] (vfs_write+0x10c/0x53c)

 2886 10:22:15.552014  # [   82.870861]  r9:c07e0568 r8:c59b9f60 r7:c2815800 r6:b6e42000 r5:c5ad83c0 r4:00000000

 2887 10:22:15.552295  # [   82.878877] [<c059ab0c>] (vfs_write) from [<c059b1c4>] (ksys_write+0x74/0xec)

 2888 10:22:15.552561  # [   82.886285]  r10:00000004 r9:00000000 r8:00000000 r7:b6e42000 r6:c59b8000 r5:c5ad83c0

 2889 10:22:15.552823  # [   82.894382]  r4:c5ad83c0

 2890 10:22:15.595072  # [   82.897190] [<c059b150>] (ksys_write) from [<c059b254>] (sys_write+0x18/0x1c)

 2891 10:22:15.595582  # [   82.904598]  r9:c59b8000 r8:c03002e4 r7:00000004 r6:b6f89e00 r5:00000011 r4:00000011

 2892 10:22:15.595921  # [   82.912617] [<c059b23c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 2893 10:22:15.596229  # [   82.920454] Exception stack(0xc59b9fa8 to 0xc59b9ff0)

 2894 10:22:15.596525  # [   82.925777] 9fa0:                   00000011 00000011 00000001 b6e42000 00000011 00000000

 2895 10:22:15.596813  # [   82.934228] 9fc0: 00000011 00000011 b6f89e00 00000004 00000001 00000000 00020000 be88fac4

 2896 10:22:15.597094  # [   82.942675] 9fe0: 00000004 be88f7f8 b6ef3d8f b6e7a7e6

 2897 10:22:15.639234  # [   82.948002] Code: e1a01004 e301006c e34c01ad eb1ca8b8 (e5943000) 

 2898 10:22:15.639775  # [   82.954370] ---[ end trace 184820ef97b03c2a ]---

 2899 10:22:15.640129  # ACCESS_USERSPACE: missing 'call trace:': [FAIL]

 2900 10:22:15.640433  not ok 37 selftests: lkdtm: ACCESS_USERSPACE.sh # exit=1

 2901 10:22:15.640727  # selftests: lkdtm: ACCESS_NULL.sh

 2902 10:22:15.671421  <6>[   83.528393] lkdtm: Performing direct entry ACCESS_NULL

 2903 10:22:15.671903  <6>[   83.533847] lkdtm: attempting bad read at 00000000

 2904 10:22:15.672213  <1>[   83.539011] 8<--- cut here ---

 2905 10:22:15.672495  <1>[   83.542597] Unable to handle kernel NULL pointer dereference at virtual address 00000000

 2906 10:22:15.672765  <1>[   83.551073] pgd = 334d4afc

 2907 10:22:15.673023  <1>[   83.554060] [00000000] *pgd=00000000

 2908 10:22:15.673275  <0>[   83.557967] Internal error: Oops: 5 [#11] SMP ARM

 2909 10:22:15.714987  <4>[   83.562943] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 2910 10:22:15.715479  <4>[   83.592280] CPU: 0 PID: 2289 Comm: cat Tainted: G      D W         5.10.182-cip34 #1

 2911 10:22:15.715788  <4>[   83.600294] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 2912 10:22:15.716087  <4>[   83.607106] PC is at lkdtm_ACCESS_NULL+0x28/0x68

 2913 10:22:15.759048  <4>[   83.612008] LR is at __irq_work_queue_local+0x40/0x74

 2914 10:22:15.759561  <4>[   83.617329] pc : [<c138aad8>]    lr : [<c049d9c4>]    psr: 600e0013

 2915 10:22:15.759903  <4>[   83.623864] sp : c4773e50  ip : c4773d58  fp : c4773e64

 2916 10:22:15.760208  <4>[   83.629356] r10: 0000000c  r9 : c1ad015c  r8 : c15ebcc8

 2917 10:22:15.760500  <4>[   83.634849] r7 : c4773f60  r6 : 0000000c  r5 : c6418000  r4 : 00000000

 2918 10:22:15.760787  <4>[   83.641644] r3 : 32872935  r2 : 32872935  r1 : ef7815e0  r0 : 00000026

 2919 10:22:15.761068  <4>[   83.648441] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 2920 10:22:15.803197  <4>[   83.655844] Control: 10c5387d  Table: 1651804a  DAC: 00000051

 2921 10:22:15.803712  <0>[   83.661860] Process cat (pid: 2289, stack limit = 0x12b859fb)

 2922 10:22:15.804049  <0>[   83.667875] Stack: (0xc4773e50 to 0xc4774000)

 2923 10:22:15.804356  <0>[   83.672503] 3e40:                                     00000027 c6418000 c4773e74 c4773e68

 2924 10:22:15.804651  <0>[   83.680952] 3e60: c0c547ac c138aabc c4773e9c c4773e78 c0c54cac c0c5478c c0c54b8c c64e2500

 2925 10:22:15.804934  <0>[   83.689401] 3e80: b6eae000 0000000c c5360b40 c4773f60 c4773ec4 c4773ea0 c07e05cc c0c54b98

 2926 10:22:15.847194  <0>[   83.697851] 3ea0: 00000000 c64e2500 b6eae000 c2815800 c4773f60 c07e0568 c4773f5c c4773ec8

 2927 10:22:15.847713  <0>[   83.706299] 3ec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c139fd58 c059b1c4 c4772000

 2928 10:22:15.848054  <0>[   83.714747] 3ee0: b6eae000 00020000 00000004 0000000c 0001fff4 c4773ee0 00000001 b6ead000

 2929 10:22:15.848361  <0>[   83.723197] 3f00: c5e5e8c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 2930 10:22:15.848656  <0>[   83.731645] 3f20: 00000000 00000000 c139fd58 32872935 c205e4c0 c64e2500 c64e2500 c4772000

 2931 10:22:15.891209  <0>[   83.740095] 3f40: b6eae000 00000000 00000000 00000004 c4773f94 c4773f60 c059b1c4 c059ab18

 2932 10:22:15.891721  <0>[   83.748546] 3f60: 00000000 00000000 c4773fac 32872935 0000000c 0000000c b6ff5e00 00000004

 2933 10:22:15.892064  <0>[   83.756995] 3f80: c03002e4 c4772000 c4773fa4 c4773f98 c059b254 c059b15c 00000000 c4773fa8

 2934 10:22:15.892371  <0>[   83.765443] 3fa0: c03000c0 c059b248 0000000c 0000000c 00000001 b6eae000 0000000c 00000000

 2935 10:22:15.892662  <0>[   83.773894] 3fc0: 0000000c 0000000c b6ff5e00 00000004 00000001 00000000 00020000 bee07ac4

 2936 10:22:15.935308  <0>[   83.782343] 3fe0: 00000004 bee077f8 b6f5fd8f b6ee67e6 800e0030 00000001 00000000 00000000

 2937 10:22:15.935824  <0>[   83.790786] Backtrace: 

 2938 10:22:15.936161  <0>[   83.793522] [<c138aab0>] (lkdtm_ACCESS_NULL) from [<c0c547ac>] (lkdtm_do_action+0x2c/0x4c)

 2939 10:22:15.936469  <0>[   83.802056]  r5:c6418000 r4:00000027

 2940 10:22:15.936763  <0>[   83.805907] [<c0c54780>] (lkdtm_do_action) from [<c0c54cac>] (direct_entry+0x120/0x18c)

 2941 10:22:15.937050  <0>[   83.814191] [<c0c54b8c>] (direct_entry) from [<c07e05cc>] (full_proxy_write+0x64/0x94)

 2942 10:22:15.937331  <0>[   83.822384]  r9:c4773f60 r8:c5360b40 r7:0000000c r6:b6eae000 r5:c64e2500 r4:c0c54b8c

 2943 10:22:15.979292  <0>[   83.830406] [<c07e0568>] (full_proxy_write) from [<c059ac18>] (vfs_write+0x10c/0x53c)

 2944 10:22:15.979777  <0>[   83.838510]  r9:c07e0568 r8:c4773f60 r7:c2815800 r6:b6eae000 r5:c64e2500 r4:00000000

 2945 10:22:15.980120  <0>[   83.846527] [<c059ab0c>] (vfs_write) from [<c059b1c4>] (ksys_write+0x74/0xec)

 2946 10:22:15.980429  <0>[   83.853936]  r10:00000004 r9:00000000 r8:00000000 r7:b6eae000 r6:c4772000 r5:c64e2500

 2947 10:22:15.980721  <0>[   83.862031]  r4:c64e2500

 2948 10:22:15.981005  <0>[   83.864838] [<c059b150>] (ksys_write) from [<c059b254>] (sys_write+0x18/0x1c)

 2949 10:22:16.023317  <0>[   83.872244]  r9:c4772000 r8:c03002e4 r7:00000004 r6:b6ff5e00 r5:0000000c r4:0000000c

 2950 10:22:16.023831  <0>[   83.880263] [<c059b23c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 2951 10:22:16.024171  <0>[   83.888099] Exception stack(0xc4773fa8 to 0xc4773ff0)

 2952 10:22:16.024477  <0>[   83.893422] 3fa0:                   0000000c 0000000c 00000001 b6eae000 0000000c 00000000

 2953 10:22:16.024774  <0>[   83.901870] 3fc0: 0000000c 0000000c b6ff5e00 00000004 00000001 00000000 00020000 bee07ac4

 2954 10:22:16.025059  <0>[   83.910317] 3fe0: 00000004 bee077f8 b6f5fd8f b6ee67e6

 2955 10:22:16.067220  <0>[   83.915640] Code: e301006c e34c01ad e1a01004 ebffd3e7 (e5945000) 

 2956 10:22:16.067703  <4>[   83.922050] ---[ end trace 184820ef97b03c2b ]---

 2957 10:22:16.068020  # Segmentation fault

 2958 10:22:16.208566  # [   83.528393] lkdtm: Performing direct entry ACCESS_NULL

 2959 10:22:16.208732  # [   83.533847] lkdtm: attempting bad read at 00000000

 2960 10:22:16.208826  # [   83.539011] 8<--- cut here ---

 2961 10:22:16.208914  # [   83.542597] Unable to handle kernel NULL pointer dereference at virtual address 00000000

 2962 10:22:16.208989  # [   83.551073] pgd = 334d4afc

 2963 10:22:16.209062  # [   83.554060] [00000000] *pgd=00000000

 2964 10:22:16.209128  # [   83.557967] Internal error: Oops: 5 [#11] SMP ARM

 2965 10:22:16.251670  # [   83.562943] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 2966 10:22:16.251822  # [   83.592280] CPU: 0 PID: 2289 Comm: cat Tainted: G      D W         5.10.182-cip34 #1

 2967 10:22:16.251913  # [   83.600294] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 2968 10:22:16.251970  # [   83.607106] PC is at lkdtm_ACCESS_NULL+0x28/0x68

 2969 10:22:16.252040  # [   83.612008] LR is at __irq_work_queue_local+0x40/0x74

 2970 10:22:16.298913  # [   83.617329] pc : [<c138aad8>]    lr : [<c049d9c4>]    psr: 600e0013

 2971 10:22:16.299076  # [   83.623864] sp : c4773e50  ip : c4773d58  fp : c4773e64

 2972 10:22:16.299151  # [   83.629356] r10: 0000000c  r9 : c1ad015c  r8 : c15ebcc8

 2973 10:22:16.299218  # [   83.634849] r7 : c4773f60  r6 : 0000000c  r5 : c6418000  r4 : 00000000

 2974 10:22:16.299281  # [   83.641644] r3 : 32872935  r2 : 32872935  r1 : ef7815e0  r0 : 00000026

 2975 10:22:16.299342  # [   83.648441] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 2976 10:22:16.342945  # [   83.655844] Control: 10c5387d  Table: 1651804a  DAC: 00000051

 2977 10:22:16.343213  # [   83.661860] Process cat (pid: 2289, stack limit = 0x12b859fb)

 2978 10:22:16.343379  # [   83.667875] Stack: (0xc4773e50 to 0xc4774000)

 2979 10:22:16.343574  # [   83.672503] 3e40:                                     00000027 c6418000 c4773e74 c4773e68

 2980 10:22:16.343727  # [   83.680952] 3e60: c0c547ac c138aabc c4773e9c c4773e78 c0c54cac c0c5478c c0c54b8c c64e2500

 2981 10:22:16.343871  # [   83.689401] 3e80: b6eae000 0000000c c5360b40 c4773f60 c4773ec4 c4773ea0 c07e05cc c0c54b98

 2982 10:22:16.387046  # [   83.697851] 3ea0: 00000000 c64e2500 b6eae000 c2815800 c4773f60 c07e0568 c4773f5c c4773ec8

 2983 10:22:16.387555  # [   83.706299] 3ec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c139fd58 c059b1c4 c4772000

 2984 10:22:16.387861  # [   83.714747] 3ee0: b6eae000 00020000 00000004 0000000c 0001fff4 c4773ee0 00000001 b6ead000

 2985 10:22:16.388195  # [   83.723197] 3f00: c5e5e8c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 2986 10:22:16.388496  # [   83.731645] 3f20: 00000000 00000000 c139fd58 32872935 c205e4c0 c64e2500 c64e2500 c4772000

 2987 10:22:16.388785  # [   83.740095] 3f40: b6eae000 00000000 00000000 00000004 c4773f94 c4773f60 c059b1c4 c059ab18

 2988 10:22:16.431131  # [   83.748546] 3f60: 00000000 00000000 c4773fac 32872935 0000000c 0000000c b6ff5e00 00000004

 2989 10:22:16.431647  # [   83.756995] 3f80: c03002e4 c4772000 c4773fa4 c4773f98 c059b254 c059b15c 00000000 c4773fa8

 2990 10:22:16.431981  # [   83.765443] 3fa0: c03000c0 c059b248 0000000c 0000000c 00000001 b6eae000 0000000c 00000000

 2991 10:22:16.432282  # [   83.773894] 3fc0: 0000000c 0000000c b6ff5e00 00000004 00000001 00000000 00020000 bee07ac4

 2992 10:22:16.432570  # [   83.782343] 3fe0: 00000004 bee077f8 b6f5fd8f b6ee67e6 800e0030 00000001 00000000 00000000

 2993 10:22:16.475151  # [   83.790786] Backtrace: 

 2994 10:22:16.475666  # [   83.793522] [<c138aab0>] (lkdtm_ACCESS_NULL) from [<c0c547ac>] (lkdtm_do_action+0x2c/0x4c)

 2995 10:22:16.476012  # [   83.802056]  r5:c6418000 r4:00000027

 2996 10:22:16.476316  # [   83.805907] [<c0c54780>] (lkdtm_do_action) from [<c0c54cac>] (direct_entry+0x120/0x18c)

 2997 10:22:16.476607  # [   83.814191] [<c0c54b8c>] (direct_entry) from [<c07e05cc>] (full_proxy_write+0x64/0x94)

 2998 10:22:16.476893  # [   83.822384]  r9:c4773f60 r8:c5360b40 r7:0000000c r6:b6eae000 r5:c64e2500 r4:c0c54b8c

 2999 10:22:16.519269  # [   83.830406] [<c07e0568>] (full_proxy_write) from [<c059ac18>] (vfs_write+0x10c/0x53c)

 3000 10:22:16.519784  # [   83.838510]  r9:c07e0568 r8:c4773f60 r7:c2815800 r6:b6eae000 r5:c64e2500 r4:00000000

 3001 10:22:16.520122  # [   83.846527] [<c059ab0c>] (vfs_write) from [<c059b1c4>] (ksys_write+0x74/0xec)

 3002 10:22:16.520426  # [   83.853936]  r10:00000004 r9:00000000 r8:00000000 r7:b6eae000 r6:c4772000 r5:c64e2500

 3003 10:22:16.520716  # [   83.862031]  r4:c64e2500

 3004 10:22:16.520999  # [   83.864838] [<c059b150>] (ksys_write) from [<c059b254>] (sys_write+0x18/0x1c)

 3005 10:22:16.521280  # [   83.872244]  r9:c4772000 r8:c03002e4 r7:00000004 r6:b6ff5e00 r5:0000000c r4:0000000c

 3006 10:22:16.562811  # [   83.880263] [<c059b23c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 3007 10:22:16.562975  # [   83.888099] Exception stack(0xc4773fa8 to 0xc4773ff0)

 3008 10:22:16.563050  # [   83.893422] 3fa0:                   0000000c 0000000c 00000001 b6eae000 0000000c 00000000

 3009 10:22:16.563121  # [   83.901870] 3fc0: 0000000c 0000000c b6ff5e00 00000004 00000001 00000000 00020000 bee07ac4

 3010 10:22:16.563195  # [   83.910317] 3fe0: 00000004 bee077f8 b6f5fd8f b6ee67e6

 3011 10:22:16.563267  # [   83.915640] Code: e301006c e34c01ad e1a01004 ebffd3e7 (e5945000) 

 3012 10:22:16.607052  # [   83.922050] ---[ end trace 184820ef97b03c2b ]---

 3013 10:22:16.607220  # ACCESS_NULL: missing 'call trace:': [FAIL]

 3014 10:22:16.607298  not ok 38 selftests: lkdtm: ACCESS_NULL.sh # exit=1

 3015 10:22:16.607371  # selftests: lkdtm: WRITE_RO.sh

 3016 10:22:16.607443  <6>[   84.468490] lkdtm: Performing direct entry WRITE_RO

 3017 10:22:16.607512  <6>[   84.474608] lkdtm: attempting bad rodata write at c15ebf60

 3018 10:22:16.607578  <1>[   84.480464] 8<--- cut here ---

 3019 10:22:16.607649  <1>[   84.483798] Unable to handle kernel paging request at virtual address c15ebf60

 3020 10:22:16.607723  <1>[   84.491294] pgd = 5b6c82ed

 3021 10:22:16.607797  <1>[   84.494271] [c15ebf60] *pgd=1141941e(bad)

 3022 10:22:16.651366  <0>[   84.498572] Internal error: Oops: 80d [#12] SMP ARM

 3023 10:22:16.651850  <4>[   84.503720] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 3024 10:22:16.652206  <4>[   84.533053] CPU: 2 PID: 2363 Comm: cat Tainted: G      D W         5.10.182-cip34 #1

 3025 10:22:16.695255  <4>[   84.541065] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 3026 10:22:16.695770  <4>[   84.547879] PC is at lkdtm_WRITE_RO+0x44/0x50

 3027 10:22:16.696107  <4>[   84.552518] LR is at __irq_work_queue_local+0x40/0x74

 3028 10:22:16.696409  <4>[   84.557839] pc : [<c138a8f4>]    lr : [<c049d9c4>]    psr: 600e0013

 3029 10:22:16.696702  <4>[   84.564375] sp : c6109e50  ip : c6109d58  fp : c6109e64

 3030 10:22:16.696987  <4>[   84.569868] r10: 00000009  r9 : c1ad0168  r8 : c15ebcc8

 3031 10:22:16.697265  <4>[   84.575361] r7 : c6109f60  r6 : 00000009  r5 : c5c1b000  r4 : c15ebf60

 3032 10:22:16.739355  <4>[   84.582157] r3 : 0198b861  r2 : aa55aa55  r1 : ef7ab5e0  r0 : c1ad0f6c

 3033 10:22:16.739868  <4>[   84.588954] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 3034 10:22:16.740209  <4>[   84.596358] Control: 10c5387d  Table: 1581004a  DAC: 00000051

 3035 10:22:16.740512  <0>[   84.602372] Process cat (pid: 2363, stack limit = 0x0ee4558d)

 3036 10:22:16.740804  <0>[   84.608388] Stack: (0xc6109e50 to 0xc610a000)

 3037 10:22:16.741086  <0>[   84.613017] 9e40:                                     00000028 c5c1b000 c6109e74 c6109e68

 3038 10:22:16.783285  <0>[   84.621468] 9e60: c0c547ac c138a8bc c6109e9c c6109e78 c0c54cac c0c5478c c0c54b8c c5a9f2c0

 3039 10:22:16.783803  <0>[   84.629918] 9e80: b6ead000 00000009 c5360b40 c6109f60 c6109ec4 c6109ea0 c07e05cc c0c54b98

 3040 10:22:16.784141  <0>[   84.638366] 9ea0: 00000000 c5a9f2c0 b6ead000 c2815800 c6109f60 c07e0568 c6109f5c c6109ec8

 3041 10:22:16.784446  <0>[   84.646815] 9ec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c139fd58 c059b1c4 c6108000

 3042 10:22:16.784739  <0>[   84.655264] 9ee0: b6ead000 00020000 00000004 00000009 0001fff7 c6109ee0 00000001 b6eac000

 3043 10:22:16.827389  <0>[   84.663712] 9f00: c64e3900 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 3044 10:22:16.827908  <0>[   84.672162] 9f20: 00000000 00000000 c139fd58 9fa58e0d c205e4c0 c5a9f2c0 c5a9f2c0 c6108000

 3045 10:22:16.828246  <0>[   84.680610] 9f40: b6ead000 00000000 00000000 00000004 c6109f94 c6109f60 c059b1c4 c059ab18

 3046 10:22:16.828550  <0>[   84.689060] 9f60: 00000000 00000000 c6109fac 9fa58e0d 00000009 00000009 b6ff4e00 00000004

 3047 10:22:16.828843  <0>[   84.697510] 9f80: c03002e4 c6108000 c6109fa4 c6109f98 c059b254 c059b15c 00000000 c6109fa8

 3048 10:22:16.829126  <0>[   84.705958] 9fa0: c03000c0 c059b248 00000009 00000009 00000001 b6ead000 00000009 00000000

 3049 10:22:16.871331  <0>[   84.714409] 9fc0: 00000009 00000009 b6ff4e00 00000004 00000001 00000000 00020000 befaaac4

 3050 10:22:16.871842  <0>[   84.722857] 9fe0: 00000004 befaa7f8 b6f5ed8f b6ee57e6 800e0030 00000001 00000000 00000000

 3051 10:22:16.872178  <0>[   84.731301] Backtrace: 

 3052 10:22:16.872482  <0>[   84.734036] [<c138a8b0>] (lkdtm_WRITE_RO) from [<c0c547ac>] (lkdtm_do_action+0x2c/0x4c)

 3053 10:22:16.872777  <0>[   84.742313]  r5:c5c1b000 r4:00000028

 3054 10:22:16.873064  <0>[   84.746163] [<c0c54780>] (lkdtm_do_action) from [<c0c54cac>] (direct_entry+0x120/0x18c)

 3055 10:22:16.915355  <0>[   84.754445] [<c0c54b8c>] (direct_entry) from [<c07e05cc>] (full_proxy_write+0x64/0x94)

 3056 10:22:16.915869  <0>[   84.762635]  r9:c6109f60 r8:c5360b40 r7:00000009 r6:b6ead000 r5:c5a9f2c0 r4:c0c54b8c

 3057 10:22:16.916209  <0>[   84.770659] [<c07e0568>] (full_proxy_write) from [<c059ac18>] (vfs_write+0x10c/0x53c)

 3058 10:22:16.916509  <0>[   84.778762]  r9:c07e0568 r8:c6109f60 r7:c2815800 r6:b6ead000 r5:c5a9f2c0 r4:00000000

 3059 10:22:16.916800  <0>[   84.786780] [<c059ab0c>] (vfs_write) from [<c059b1c4>] (ksys_write+0x74/0xec)

 3060 10:22:16.959322  <0>[   84.794187]  r10:00000004 r9:00000000 r8:00000000 r7:b6ead000 r6:c6108000 r5:c5a9f2c0

 3061 10:22:16.959836  <0>[   84.802282]  r4:c5a9f2c0

 3062 10:22:16.960171  <0>[   84.805089] [<c059b150>] (ksys_write) from [<c059b254>] (sys_write+0x18/0x1c)

 3063 10:22:16.960475  <0>[   84.812495]  r9:c6108000 r8:c03002e4 r7:00000004 r6:b6ff4e00 r5:00000009 r4:00000009

 3064 10:22:16.960766  <0>[   84.820515] [<c059b23c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 3065 10:22:16.961051  <0>[   84.828351] Exception stack(0xc6109fa8 to 0xc6109ff0)

 3066 10:22:16.961329  <0>[   84.833673] 9fa0:                   00000009 00000009 00000001 b6ead000 00000009 00000000

 3067 10:22:17.002894  <0>[   84.842121] 9fc0: 00000009 00000009 b6ff4e00 00000004 00000001 00000000 00020000 befaaac4

 3068 10:22:17.003066  <0>[   84.850566] 9fe0: 00000004 befaa7f8 b6f5ed8f b6ee57e6

 3069 10:22:17.003130  <0>[   84.855890] Code: e34a3bcd e3000f6c e34c01ad e0233002 (e5843000) 

 3070 10:22:17.003217  <4>[   84.862258] ---[ end trace 184820ef97b03c2c ]---

 3071 10:22:17.003287  # Segmentation fault

 3072 10:22:17.118706  # [   84.468490] lkdtm: Performing direct entry WRITE_RO

 3073 10:22:17.119142  # [   84.474608] lkdtm: attempting bad rodata write at c15ebf60

 3074 10:22:17.119425  # [   84.480464] 8<--- cut here ---

 3075 10:22:17.119684  # [   84.483798] Unable to handle kernel paging request at virtual address c15ebf60

 3076 10:22:17.119933  # [   84.491294] pgd = 5b6c82ed

 3077 10:22:17.120176  # [   84.494271] [c15ebf60] *pgd=1141941e(bad)

 3078 10:22:17.120417  # [   84.498572] Internal error: Oops: 80d [#12] SMP ARM

 3079 10:22:17.161730  # [   84.503720] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 3080 10:22:17.161902  # [   84.533053] CPU: 2 PID: 2363 Comm: cat Tainted: G      D W         5.10.182-cip34 #1

 3081 10:22:17.161966  # [   84.541065] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 3082 10:22:17.162054  # [   84.547879] PC is at lkdtm_WRITE_RO+0x44/0x50

 3083 10:22:17.162125  # [   84.552518] LR is at __irq_work_queue_local+0x40/0x74

 3084 10:22:17.204516  # [   84.557839] pc : [<c138a8f4>]    lr : [<c049d9c4>]    psr: 600e0013

 3085 10:22:17.204623  # [   84.564375] sp : c6109e50  ip : c6109d58  fp : c6109e64

 3086 10:22:17.204715  # [   84.569868] r10: 00000009  r9 : c1ad0168  r8 : c15ebcc8

 3087 10:22:17.204787  # [   84.575361] r7 : c6109f60  r6 : 00000009  r5 : c5c1b000  r4 : c15ebf60

 3088 10:22:17.204872  # [   84.582157] r3 : 0198b861  r2 : aa55aa55  r1 : ef7ab5e0  r0 : c1ad0f6c

 3089 10:22:17.204943  # [   84.588954] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 3090 10:22:17.247594  # [   84.596358] Control: 10c5387d  Table: 1581004a  DAC: 00000051

 3091 10:22:17.247688  # [   84.602372] Process cat (pid: 2363, stack limit = 0x0ee4558d)

 3092 10:22:17.247764  # [   84.608388] Stack: (0xc6109e50 to 0xc610a000)

 3093 10:22:17.247852  # [   84.613017] 9e40:                                     00000028 c5c1b000 c6109e74 c6109e68

 3094 10:22:17.247924  # [   84.621468] 9e60: c0c547ac c138a8bc c6109e9c c6109e78 c0c54cac c0c5478c c0c54b8c c5a9f2c0

 3095 10:22:17.248010  # [   84.629918] 9e80: b6ead000 00000009 c5360b40 c6109f60 c6109ec4 c6109ea0 c07e05cc c0c54b98

 3096 10:22:17.291060  # [   84.638366] 9ea0: 00000000 c5a9f2c0 b6ead000 c2815800 c6109f60 c07e0568 c6109f5c c6109ec8

 3097 10:22:17.291540  # [   84.646815] 9ec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c139fd58 c059b1c4 c6108000

 3098 10:22:17.291843  # [   84.655264] 9ee0: b6ead000 00020000 00000004 00000009 0001fff7 c6109ee0 00000001 b6eac000

 3099 10:22:17.292121  # [   84.663712] 9f00: c64e3900 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 3100 10:22:17.292390  # [   84.672162] 9f20: 00000000 00000000 c139fd58 9fa58e0d c205e4c0 c5a9f2c0 c5a9f2c0 c6108000

 3101 10:22:17.292650  # [   84.680610] 9f40: b6ead000 00000000 00000000 00000004 c6109f94 c6109f60 c059b1c4 c059ab18

 3102 10:22:17.335082  # [   84.689060] 9f60: 00000000 00000000 c6109fac 9fa58e0d 00000009 00000009 b6ff4e00 00000004

 3103 10:22:17.335561  # [   84.697510] 9f80: c03002e4 c6108000 c6109fa4 c6109f98 c059b254 c059b15c 00000000 c6109fa8

 3104 10:22:17.335865  # [   84.705958] 9fa0: c03000c0 c059b248 00000009 00000009 00000001 b6ead000 00000009 00000000

 3105 10:22:17.336143  # [   84.714409] 9fc0: 00000009 00000009 b6ff4e00 00000004 00000001 00000000 00020000 befaaac4

 3106 10:22:17.336408  # [   84.722857] 9fe0: 00000004 befaa7f8 b6f5ed8f b6ee57e6 800e0030 00000001 00000000 00000000

 3107 10:22:17.379071  # [   84.731301] Backtrace: 

 3108 10:22:17.379580  # [   84.734036] [<c138a8b0>] (lkdtm_WRITE_RO) from [<c0c547ac>] (lkdtm_do_action+0x2c/0x4c)

 3109 10:22:17.379909  # [   84.742313]  r5:c5c1b000 r4:00000028

 3110 10:22:17.380214  # [   84.746163] [<c0c54780>] (lkdtm_do_action) from [<c0c54cac>] (direct_entry+0x120/0x18c)

 3111 10:22:17.380509  # [   84.754445] [<c0c54b8c>] (direct_entry) from [<c07e05cc>] (full_proxy_write+0x64/0x94)

 3112 10:22:17.380793  # [   84.762635]  r9:c6109f60 r8:c5360b40 r7:00000009 r6:b6ead000 r5:c5a9f2c0 r4:c0c54b8c

 3113 10:22:17.423276  # [   84.770659] [<c07e0568>] (full_proxy_write) from [<c059ac18>] (vfs_write+0x10c/0x53c)

 3114 10:22:17.423792  # [   84.778762]  r9:c07e0568 r8:c6109f60 r7:c2815800 r6:b6ead000 r5:c5a9f2c0 r4:00000000

 3115 10:22:17.424129  # [   84.786780] [<c059ab0c>] (vfs_write) from [<c059b1c4>] (ksys_write+0x74/0xec)

 3116 10:22:17.424435  # [   84.794187]  r10:00000004 r9:00000000 r8:00000000 r7:b6ead000 r6:c6108000 r5:c5a9f2c0

 3117 10:22:17.424723  # [   84.802282]  r4:c5a9f2c0

 3118 10:22:17.425000  # [   84.805089] [<c059b150>] (ksys_write) from [<c059b254>] (sys_write+0x18/0x1c)

 3119 10:22:17.425279  # [   84.812495]  r9:c6108000 r8:c03002e4 r7:00000004 r6:b6ff4e00 r5:00000009 r4:00000009

 3120 10:22:17.467087  # [   84.820515] [<c059b23c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 3121 10:22:17.467567  # [   84.828351] Exception stack(0xc6109fa8 to 0xc6109ff0)

 3122 10:22:17.467870  # [   84.833673] 9fa0:                   00000009 00000009 00000001 b6ead000 00000009 00000000

 3123 10:22:17.468153  # [   84.842121] 9fc0: 00000009 00000009 b6ff4e00 00000004 00000001 00000000 00020000 befaaac4

 3124 10:22:17.468421  # [   84.850566] 9fe0: 00000004 befaa7f8 b6f5ed8f b6ee57e6

 3125 10:22:17.468682  # [   84.855890] Code: e34a3bcd e3000f6c e34c01ad e0233002 (e5843000) 

 3126 10:22:17.511065  # [   84.862258] ---[ end trace 184820ef97b03c2c ]---

 3127 10:22:17.511259  # WRITE_RO: missing 'call trace:': [FAIL]

 3128 10:22:17.511359  not ok 39 selftests: lkdtm: WRITE_RO.sh # exit=1

 3129 10:22:17.511451  # selftests: lkdtm: WRITE_RO_AFTER_INIT.sh

 3130 10:22:17.535107  <6>[   85.393494] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT

 3131 10:22:17.535317  <6>[   85.399687] lkdtm: attempting bad ro_after_init write at c1b81c60

 3132 10:22:17.535430  <1>[   85.406061] 8<--- cut here ---

 3133 10:22:17.535531  <1>[   85.409386] Unable to handle kernel paging request at virtual address c1b81c60

 3134 10:22:17.535628  <1>[   85.416879] pgd = d4b2fe58

 3135 10:22:17.535724  <1>[   85.419855] [c1b81c60] *pgd=11a1941e(bad)

 3136 10:22:17.535817  <0>[   85.424151] Internal error: Oops: 80d [#13] SMP ARM

 3137 10:22:17.579079  <4>[   85.429298] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 3138 10:22:17.579612  <4>[   85.458631] CPU: 0 PID: 2437 Comm: cat Tainted: G      D W         5.10.182-cip34 #1

 3139 10:22:17.579958  <4>[   85.466643] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 3140 10:22:17.580264  <4>[   85.473454] PC is at lkdtm_WRITE_RO_AFTER_INIT+0x64/0x70

 3141 10:22:17.623226  <4>[   85.479038] LR is at 0x0

 3142 10:22:17.623738  <4>[   85.481841] pc : [<c138a964>]    lr : [<00000000>]    psr: 600e0013

 3143 10:22:17.624075  <4>[   85.488377] sp : c60f5e50  ip : 00000027  fp : c60f5e64

 3144 10:22:17.624378  <4>[   85.493868] r10: 00000014  r9 : c1ad0174  r8 : c15ebcc8

 3145 10:22:17.624667  <4>[   85.499360] r7 : c60f5f60  r6 : 00000014  r5 : c6459000  r4 : c1b81c60

 3146 10:22:17.624952  <4>[   85.506155] r3 : fe67479e  r2 : 55aa55aa  r1 : ef7815e4  r0 : c1ad0f6c

 3147 10:22:17.625232  <4>[   85.512952] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 3148 10:22:17.667256  <4>[   85.520355] Control: 10c5387d  Table: 166fc04a  DAC: 00000051

 3149 10:22:17.667768  <0>[   85.526372] Process cat (pid: 2437, stack limit = 0x56f16264)

 3150 10:22:17.668105  <0>[   85.532386] Stack: (0xc60f5e50 to 0xc60f6000)

 3151 10:22:17.668408  <0>[   85.537016] 5e40:                                     00000029 c6459000 c60f5e74 c60f5e68

 3152 10:22:17.668703  <0>[   85.545467] 5e60: c0c547ac c138a90c c60f5e9c c60f5e78 c0c54cac c0c5478c c0c54b8c c4766f00

 3153 10:22:17.668993  <0>[   85.553918] 5e80: b6dc4000 00000014 c5360b40 c60f5f60 c60f5ec4 c60f5ea0 c07e05cc c0c54b98

 3154 10:22:17.711242  <0>[   85.562367] 5ea0: 00000000 c4766f00 b6dc4000 c2815800 c60f5f60 c07e0568 c60f5f5c c60f5ec8

 3155 10:22:17.711755  <0>[   85.570818] 5ec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c139fd58 c059b1c4 c60f4000

 3156 10:22:17.712092  <0>[   85.579268] 5ee0: b6dc4000 00020000 00000004 00000014 0001ffec c60f5ee0 00000001 b6dc3000

 3157 10:22:17.712396  <0>[   85.587717] 5f00: c59aac80 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 3158 10:22:17.712687  <0>[   85.596165] 5f20: 00000000 00000000 c139fd58 44e3a8f2 c205e4c0 c4766f00 c4766f00 c60f4000

 3159 10:22:17.755241  <0>[   85.604614] 5f40: b6dc4000 00000000 00000000 00000004 c60f5f94 c60f5f60 c059b1c4 c059ab18

 3160 10:22:17.755759  <0>[   85.613062] 5f60: 00000000 00000000 c60f5fac 44e3a8f2 00000014 00000014 b6f0be00 00000004

 3161 10:22:17.756101  <0>[   85.621511] 5f80: c03002e4 c60f4000 c60f5fa4 c60f5f98 c059b254 c059b15c 00000000 c60f5fa8

 3162 10:22:17.756405  <0>[   85.629960] 5fa0: c03000c0 c059b248 00000014 00000014 00000001 b6dc4000 00000014 00000000

 3163 10:22:17.756695  <0>[   85.638407] 5fc0: 00000014 00000014 b6f0be00 00000004 00000001 00000000 00020000 bee7eac4

 3164 10:22:17.799241  <0>[   85.646855] 5fe0: 00000004 bee7e7f8 b6e75d8f b6dfc7e6 800e0030 00000001 00000000 00000000

 3165 10:22:17.799757  <0>[   85.655298] Backtrace: 

 3166 10:22:17.800093  <0>[   85.658033] [<c138a900>] (lkdtm_WRITE_RO_AFTER_INIT) from [<c0c547ac>] (lkdtm_do_action+0x2c/0x4c)

 3167 10:22:17.800396  <0>[   85.667264]  r5:c6459000 r4:00000029

 3168 10:22:17.800684  <0>[   85.671113] [<c0c54780>] (lkdtm_do_action) from [<c0c54cac>] (direct_entry+0x120/0x18c)

 3169 10:22:17.800970  <0>[   85.679396] [<c0c54b8c>] (direct_entry) from [<c07e05cc>] (full_proxy_write+0x64/0x94)

 3170 10:22:17.801251  <0>[   85.687586]  r9:c60f5f60 r8:c5360b40 r7:00000014 r6:b6dc4000 r5:c4766f00 r4:c0c54b8c

 3171 10:22:17.843246  <0>[   85.695608] [<c07e0568>] (full_proxy_write) from [<c059ac18>] (vfs_write+0x10c/0x53c)

 3172 10:22:17.843731  <0>[   85.703710]  r9:c07e0568 r8:c60f5f60 r7:c2815800 r6:b6dc4000 r5:c4766f00 r4:00000000

 3173 10:22:17.844046  <0>[   85.711727] [<c059ab0c>] (vfs_write) from [<c059b1c4>] (ksys_write+0x74/0xec)

 3174 10:22:17.844326  <0>[   85.719134]  r10:00000004 r9:00000000 r8:00000000 r7:b6dc4000 r6:c60f4000 r5:c4766f00

 3175 10:22:17.844593  <0>[   85.727229]  r4:c4766f00

 3176 10:22:17.844854  <0>[   85.730036] [<c059b150>] (ksys_write) from [<c059b254>] (sys_write+0x18/0x1c)

 3177 10:22:17.887331  <0>[   85.737442]  r9:c60f4000 r8:c03002e4 r7:00000004 r6:b6f0be00 r5:00000014 r4:00000014

 3178 10:22:17.887811  <0>[   85.745460] [<c059b23c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 3179 10:22:17.888149  <0>[   85.753297] Exception stack(0xc60f5fa8 to 0xc60f5ff0)

 3180 10:22:17.888456  <0>[   85.758619] 5fa0:                   00000014 00000014 00000001 b6dc4000 00000014 00000000

 3181 10:22:17.888750  <0>[   85.767068] 5fc0: 00000014 00000014 b6f0be00 00000004 00000001 00000000 00020000 bee7eac4

 3182 10:22:17.889038  <0>[   85.775514] 5fe0: 00000004 bee7e7f8 b6e75d8f b6dfc7e6

 3183 10:22:17.930819  <0>[   85.780837] Code: e34a3bcd e3000f6c e34c01ad e0233002 (e5843000) 

 3184 10:22:17.930972  <4>[   85.787206] ---[ end trace 184820ef97b03c2d ]---

 3185 10:22:17.931051  # Segmentation fault

 3186 10:22:18.114968  # [   85.393494] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT

 3187 10:22:18.115153  # [   85.399687] lkdtm: attempting bad ro_after_init write at c1b81c60

 3188 10:22:18.115299  # [   85.406061] 8<--- cut here ---

 3189 10:22:18.115436  # [   85.409386] Unable to handle kernel paging request at virtual address c1b81c60

 3190 10:22:18.115567  # [   85.416879] pgd = d4b2fe58

 3191 10:22:18.115695  # [   85.419855] [c1b81c60] *pgd=11a1941e(bad)

 3192 10:22:18.115822  # [   85.424151] Internal error: Oops: 80d [#13] SMP ARM

 3193 10:22:18.158952  # [   85.429298] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 3194 10:22:18.159310  # [   85.458631] CPU: 0 PID: 2437 Comm: cat Tainted: G      D W         5.10.182-cip34 #1

 3195 10:22:18.159589  # [   85.466643] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 3196 10:22:18.159847  # [   85.473454] PC is at lkdtm_WRITE_RO_AFTER_INIT+0x64/0x70

 3197 10:22:18.202841  # [   85.479038] LR is at 0x0

 3198 10:22:18.202919  # [   85.481841] pc : [<c138a964>]    lr : [<00000000>]    psr: 600e0013

 3199 10:22:18.202981  # [   85.488377] sp : c60f5e50  ip : 00000027  fp : c60f5e64

 3200 10:22:18.203067  # [   85.493868] r10: 00000014  r9 : c1ad0174  r8 : c15ebcc8

 3201 10:22:18.203123  # [   85.499360] r7 : c60f5f60  r6 : 00000014  r5 : c6459000  r4 : c1b81c60

 3202 10:22:18.203176  # [   85.506155] r3 : fe67479e  r2 : 55aa55aa  r1 : ef7815e4  r0 : c1ad0f6c

 3203 10:22:18.203229  # [   85.512952] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 3204 10:22:18.247039  # [   85.520355] Control: 10c5387d  Table: 166fc04a  DAC: 00000051

 3205 10:22:18.247212  # [   85.526372] Process cat (pid: 2437, stack limit = 0x56f16264)

 3206 10:22:18.247297  # [   85.532386] Stack: (0xc60f5e50 to 0xc60f6000)

 3207 10:22:18.247376  # [   85.537016] 5e40:                                     00000029 c6459000 c60f5e74 c60f5e68

 3208 10:22:18.247450  # [   85.545467] 5e60: c0c547ac c138a90c c60f5e9c c60f5e78 c0c54cac c0c5478c c0c54b8c c4766f00

 3209 10:22:18.247525  # [   85.553918] 5e80: b6dc4000 00000014 c5360b40 c60f5f60 c60f5ec4 c60f5ea0 c07e05cc c0c54b98

 3210 10:22:18.291132  # [   85.562367] 5ea0: 00000000 c4766f00 b6dc4000 c2815800 c60f5f60 c07e0568 c60f5f5c c60f5ec8

 3211 10:22:18.291443  # [   85.570818] 5ec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c139fd58 c059b1c4 c60f4000

 3212 10:22:18.291633  # [   85.579268] 5ee0: b6dc4000 00020000 00000004 00000014 0001ffec c60f5ee0 00000001 b6dc3000

 3213 10:22:18.291806  # [   85.587717] 5f00: c59aac80 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 3214 10:22:18.291970  # [   85.596165] 5f20: 00000000 00000000 c139fd58 44e3a8f2 c205e4c0 c4766f00 c4766f00 c60f4000

 3215 10:22:18.335101  # [   85.604614] 5f40: b6dc4000 00000000 00000000 00000004 c60f5f94 c60f5f60 c059b1c4 c059ab18

 3216 10:22:18.335581  # [   85.613062] 5f60: 00000000 00000000 c60f5fac 44e3a8f2 00000014 00000014 b6f0be00 00000004

 3217 10:22:18.335882  # [   85.621511] 5f80: c03002e4 c60f4000 c60f5fa4 c60f5f98 c059b254 c059b15c 00000000 c60f5fa8

 3218 10:22:18.336157  # [   85.629960] 5fa0: c03000c0 c059b248 00000014 00000014 00000001 b6dc4000 00000014 00000000

 3219 10:22:18.336423  # [   85.638407] 5fc0: 00000014 00000014 b6f0be00 00000004 00000001 00000000 00020000 bee7eac4

 3220 10:22:18.336685  # [   85.646855] 5fe0: 00000004 bee7e7f8 b6e75d8f b6dfc7e6 800e0030 00000001 00000000 00000000

 3221 10:22:18.379078  # [   85.655298] Backtrace: 

 3222 10:22:18.379564  # [   85.658033] [<c138a900>] (lkdtm_WRITE_RO_AFTER_INIT) from [<c0c547ac>] (lkdtm_do_action+0x2c/0x4c)

 3223 10:22:18.379892  # [   85.667264]  r5:c6459000 r4:00000029

 3224 10:22:18.380226  # [   85.671113] [<c0c54780>] (lkdtm_do_action) from [<c0c54cac>] (direct_entry+0x120/0x18c)

 3225 10:22:18.380523  # [   85.679396] [<c0c54b8c>] (direct_entry) from [<c07e05cc>] (full_proxy_write+0x64/0x94)

 3226 10:22:18.380810  # [   85.687586]  r9:c60f5f60 r8:c5360b40 r7:00000014 r6:b6dc4000 r5:c4766f00 r4:c0c54b8c

 3227 10:22:18.422971  # [   85.695608] [<c07e0568>] (full_proxy_write) from [<c059ac18>] (vfs_write+0x10c/0x53c)

 3228 10:22:18.423466  # [   85.703710]  r9:c07e0568 r8:c60f5f60 r7:c2815800 r6:b6dc4000 r5:c4766f00 r4:00000000

 3229 10:22:18.423778  # [   85.711727] [<c059ab0c>] (vfs_write) from [<c059b1c4>] (ksys_write+0x74/0xec)

 3230 10:22:18.424057  # [   85.719134]  r10:00000004 r9:00000000 r8:00000000 r7:b6dc4000 r6:c60f4000 r5:c4766f00

 3231 10:22:18.424322  # [   85.727229]  r4:c4766f00

 3232 10:22:18.424586  # [   85.730036] [<c059b150>] (ksys_write) from [<c059b254>] (sys_write+0x18/0x1c)

 3233 10:22:18.467119  # [   85.737442]  r9:c60f4000 r8:c03002e4 r7:00000004 r6:b6f0be00 r5:00000014 r4:00000014

 3234 10:22:18.467634  # [   85.745460] [<c059b23c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 3235 10:22:18.467974  # [   85.753297] Exception stack(0xc60f5fa8 to 0xc60f5ff0)

 3236 10:22:18.468279  # [   85.758619] 5fa0:                   00000014 00000014 00000001 b6dc4000 00000014 00000000

 3237 10:22:18.468572  # [   85.767068] 5fc0: 00000014 00000014 b6f0be00 00000004 00000001 00000000 00020000 bee7eac4

 3238 10:22:18.468855  # [   85.775514] 5fe0: 00000004 bee7e7f8 b6e75d8f b6dfc7e6

 3239 10:22:18.469135  # [   85.780837] Code: e34a3bcd e3000f6c e34c01ad e0233002 (e5843000) 

 3240 10:22:18.511359  # [   85.787206] ---[ end trace 184820ef97b03c2d ]---

 3241 10:22:18.511871  # WRITE_RO_AFTER_INIT: missing 'call trace:': [FAIL]

 3242 10:22:18.512205  not ok 40 selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # exit=1

 3243 10:22:18.512512  # selftests: lkdtm: WRITE_KERN.sh

 3244 10:22:18.590241  <6>[   86.448449] lkdtm: Performing direct entry WRITE_KERN

 3245 10:22:18.590784  <6>[   86.453790] lkdtm: attempting bad 7557820 byte write at c138a7d8

 3246 10:22:18.591123  <1>[   86.460138] 8<--- cut here ---

 3247 10:22:18.591427  <1>[   86.463470] Unable to handle kernel paging request at virtual address c138a7d8

 3248 10:22:18.591718  <1>[   86.470966] pgd = 5d4d6457

 3249 10:22:18.592004  <1>[   86.473943] [c138a7d8] *pgd=1121940e(bad)

 3250 10:22:18.592285  <0>[   86.478242] Internal error: Oops: 80d [#14] SMP ARM

 3251 10:22:18.633525  <4>[   86.483390] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 3252 10:22:18.634023  <4>[   86.512724] CPU: 0 PID: 2511 Comm: cat Tainted: G      D W         5.10.182-cip34 #1

 3253 10:22:18.634374  <4>[   86.520736] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 3254 10:22:18.634706  <4>[   86.527542] PC is at memcpy+0x50/0x330

 3255 10:22:18.635000  <4>[   86.531565] LR is at 0xe92dd830

 3256 10:22:18.676688  <4>[   86.534976] pc : [<c08d38f0>]    lr : [<e92dd830>]    psr: 200e0013

 3257 10:22:18.677206  <4>[   86.541511] sp : c60fde2c  ip : e1a0c00d  fp : c60fde64

 3258 10:22:18.677538  <4>[   86.547003] r10: 0000000b  r9 : c1ad0188  r8 : e89da800

 3259 10:22:18.677843  <4>[   86.552497] r7 : e8bd4000  r6 : e52de004  r5 : e24cb004  r4 : e92dd800

 3260 10:22:18.678133  <4>[   86.559293] r3 : e1a0c00d  r2 : 0073521c  r1 : c0c5553c  r0 : c138a7d8

 3261 10:22:18.678417  <4>[   86.566092] Flags: nzCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 3262 10:22:18.719638  <4>[   86.573496] Control: 10c5387d  Table: 165b404a  DAC: 00000051

 3263 10:22:18.720153  <0>[   86.579511] Process cat (pid: 2511, stack limit = 0xb1947ad8)

 3264 10:22:18.720485  <0>[   86.585528] Stack: (0xc60fde2c to 0xc60fe000)

 3265 10:22:18.720789  <0>[   86.590158] de20:                            c0c5551c 007352bc c60fdf60 c15ebcc8 c138a7d8

 3266 10:22:18.721086  <0>[   86.598609] de40: c138a7d8 c138a9bc 0000002a c643b000 0000000b c60fdf60 c60fde74 c60fde68

 3267 10:22:18.721373  <0>[   86.607058] de60: c0c547ac c138a97c c60fde9c c60fde78 c0c54cac c0c5478c c0c54b8c c4766c80

 3268 10:22:18.763205  <0>[   86.615508] de80: b6e19000 0000000b c5360b40 c60fdf60 c60fdec4 c60fdea0 c07e05cc c0c54b98

 3269 10:22:18.763721  <0>[   86.623956] dea0: 00000000 c4766c80 b6e19000 c2815800 c60fdf60 c07e0568 c60fdf5c c60fdec8

 3270 10:22:18.764054  <0>[   86.632406] dec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c04780e4 c059b1c4 c60fc000

 3271 10:22:18.764361  <0>[   86.640856] dee0: c030d968 ffffe000 c60fdf1c c60fdef8 c04780e4 c030f1e0 ffffe000 c03002e4

 3272 10:22:18.764657  <0>[   86.649305] df00: c60fdf34 c60fdf10 c030e110 c030f1b0 c60fc000 00000000 ffffe000 c205e4c0

 3273 10:22:18.807094  <0>[   86.657754] df20: 00000000 c0301210 c60fdf6c acb0bcbc c030f238 c4766c80 c4766c80 c60fc000

 3274 10:22:18.807610  <0>[   86.666203] df40: b6e19000 00000000 00000000 00000004 c60fdf94 c60fdf60 c059b1c4 c059ab18

 3275 10:22:18.807952  <0>[   86.674654] df60: 00000000 00000000 c0477d68 acb0bcbc 0000000b 0000000b b6f60e00 00000004

 3276 10:22:18.808256  <0>[   86.683103] df80: c03002e4 c60fc000 c60fdfa4 c60fdf98 c059b254 c059b15c 00000000 c60fdfa8

 3277 10:22:18.808548  <0>[   86.691551] dfa0: c03000c0 c059b248 0000000b 0000000b 00000001 b6e19000 0000000b 00000000

 3278 10:22:18.851247  <0>[   86.700000] dfc0: 0000000b 0000000b b6f60e00 00000004 00000001 00000000 00020000 bed38ac4

 3279 10:22:18.851763  <0>[   86.708448] dfe0: 00000004 bed387f8 b6ecad8f b6e517e6 800e0030 00000001 00000000 00000000

 3280 10:22:18.852101  <0>[   86.716892] Backtrace: 

 3281 10:22:18.852402  <0>[   86.719634] [<c138a970>] (lkdtm_WRITE_KERN) from [<c0c547ac>] (lkdtm_do_action+0x2c/0x4c)

 3282 10:22:18.852695  <0>[   86.728084]  r7:c60fdf60 r6:0000000b r5:c643b000 r4:0000002a

 3283 10:22:18.852981  <0>[   86.734017] [<c0c54780>] (lkdtm_do_action) from [<c0c54cac>] (direct_entry+0x120/0x18c)

 3284 10:22:18.853263  <0>[   86.742302] [<c0c54b8c>] (direct_entry) from [<c07e05cc>] (full_proxy_write+0x64/0x94)

 3285 10:22:18.895237  <0>[   86.750491]  r9:c60fdf60 r8:c5360b40 r7:0000000b r6:b6e19000 r5:c4766c80 r4:c0c54b8c

 3286 10:22:18.895752  <0>[   86.758515] [<c07e0568>] (full_proxy_write) from [<c059ac18>] (vfs_write+0x10c/0x53c)

 3287 10:22:18.896090  <0>[   86.766616]  r9:c07e0568 r8:c60fdf60 r7:c2815800 r6:b6e19000 r5:c4766c80 r4:00000000

 3288 10:22:18.896392  <0>[   86.774634] [<c059ab0c>] (vfs_write) from [<c059b1c4>] (ksys_write+0x74/0xec)

 3289 10:22:18.896685  <0>[   86.782041]  r10:00000004 r9:00000000 r8:00000000 r7:b6e19000 r6:c60fc000 r5:c4766c80

 3290 10:22:18.896970  <0>[   86.790138]  r4:c4766c80

 3291 10:22:18.939247  <0>[   86.792946] [<c059b150>] (ksys_write) from [<c059b254>] (sys_write+0x18/0x1c)

 3292 10:22:18.939764  <0>[   86.800354]  r9:c60fc000 r8:c03002e4 r7:00000004 r6:b6f60e00 r5:0000000b r4:0000000b

 3293 10:22:18.940107  <0>[   86.808373] [<c059b23c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 3294 10:22:18.940415  <0>[   86.816208] Exception stack(0xc60fdfa8 to 0xc60fdff0)

 3295 10:22:18.940709  <0>[   86.821531] dfa0:                   0000000b 0000000b 00000001 b6e19000 0000000b 00000000

 3296 10:22:18.982817  <0>[   86.829980] dfc0: 0000000b 0000000b b6f60e00 00000004 00000001 00000000 00020000 bed38ac4

 3297 10:22:18.982985  <0>[   86.838425] dfe0: 00000004 bed387f8 b6ecad8f b6e517e6

 3298 10:22:18.983049  <0>[   86.843750] Code: f5d1f05c f5d1f07c e8b151f8 e2522020 (e8a051f8) 

 3299 10:22:18.983136  <4>[   86.850119] ---[ end trace 184820ef97b03c2e ]---

 3300 10:22:18.983205  # Segmentation fault

 3301 10:22:19.116431  # [   86.448449] lkdtm: Performing direct entry WRITE_KERN

 3302 10:22:19.116599  # [   86.453790] lkdtm: attempting bad 7557820 byte write at c138a7d8

 3303 10:22:19.116663  # [   86.460138] 8<--- cut here ---

 3304 10:22:19.116750  # [   86.463470] Unable to handle kernel paging request at virtual address c138a7d8

 3305 10:22:19.116820  # [   86.470966] pgd = 5d4d6457

 3306 10:22:19.116890  # [   86.473943] [c138a7d8] *pgd=1121940e(bad)

 3307 10:22:19.116973  # [   86.478242] Internal error: Oops: 80d [#14] SMP ARM

 3308 10:22:19.159420  # [   86.483390] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 3309 10:22:19.159503  # [   86.512724] CPU: 0 PID: 2511 Comm: cat Tainted: G      D W         5.10.182-cip34 #1

 3310 10:22:19.159585  # [   86.520736] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 3311 10:22:19.159664  # [   86.527542] PC is at memcpy+0x50/0x330

 3312 10:22:19.159719  # [   86.531565] LR is at 0xe92dd830

 3313 10:22:19.202772  # [   86.534976] pc : [<c08d38f0>]    lr : [<e92dd830>]    psr: 200e0013

 3314 10:22:19.202864  # [   86.541511] sp : c60fde2c  ip : e1a0c00d  fp : c60fde64

 3315 10:22:19.202955  # [   86.547003] r10: 0000000b  r9 : c1ad0188  r8 : e89da800

 3316 10:22:19.203043  # [   86.552497] r7 : e8bd4000  r6 : e52de004  r5 : e24cb004  r4 : e92dd800

 3317 10:22:19.203115  # [   86.559293] r3 : e1a0c00d  r2 : 0073521c  r1 : c0c5553c  r0 : c138a7d8

 3318 10:22:19.203199  # [   86.566092] Flags: nzCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 3319 10:22:19.203282  # [   86.573496] Control: 10c5387d  Table: 165b404a  DAC: 00000051

 3320 10:22:19.246751  # [   86.579511] Process cat (pid: 2511, stack limit = 0xb1947ad8)

 3321 10:22:19.246845  # [   86.585528] Stack: (0xc60fde2c to 0xc60fe000)

 3322 10:22:19.246936  # [   86.590158] de20:                            c0c5551c 007352bc c60fdf60 c15ebcc8 c138a7d8

 3323 10:22:19.247023  # [   86.598609] de40: c138a7d8 c138a9bc 0000002a c643b000 0000000b c60fdf60 c60fde74 c60fde68

 3324 10:22:19.247092  # [   86.607058] de60: c0c547ac c138a97c c60fde9c c60fde78 c0c54cac c0c5478c c0c54b8c c4766c80

 3325 10:22:19.290880  # [   86.615508] de80: b6e19000 0000000b c5360b40 c60fdf60 c60fdec4 c60fdea0 c07e05cc c0c54b98

 3326 10:22:19.291089  # [   86.623956] dea0: 00000000 c4766c80 b6e19000 c2815800 c60fdf60 c07e0568 c60fdf5c c60fdec8

 3327 10:22:19.291204  # [   86.632406] dec0: c059ac18 c07e0574 00000001 00000000 c059b1c4 c04780e4 c059b1c4 c60fc000

 3328 10:22:19.291305  # [   86.640856] dee0: c030d968 ffffe000 c60fdf1c c60fdef8 c04780e4 c030f1e0 ffffe000 c03002e4

 3329 10:22:19.291403  # [   86.649305] df00: c60fdf34 c60fdf10 c030e110 c030f1b0 c60fc000 00000000 ffffe000 c205e4c0

 3330 10:22:19.291499  # [   86.657754] df20: 00000000 c0301210 c60fdf6c acb0bcbc c030f238 c4766c80 c4766c80 c60fc000

 3331 10:22:19.334915  # [   86.666203] df40: b6e19000 00000000 00000000 00000004 c60fdf94 c60fdf60 c059b1c4 c059ab18

 3332 10:22:19.335085  # [   86.674654] df60: 00000000 00000000 c0477d68 acb0bcbc 0000000b 0000000b b6f60e00 00000004

 3333 10:22:19.335152  # [   86.683103] df80: c03002e4 c60fc000 c60fdfa4 c60fdf98 c059b254 c059b15c 00000000 c60fdfa8

 3334 10:22:19.335215  # [   86.691551] dfa0: c03000c0 c059b248 0000000b 0000000b 00000001 b6e19000 0000000b 00000000

 3335 10:22:19.335273  # [   86.700000] dfc0: 0000000b 0000000b b6f60e00 00000004 00000001 00000000 00020000 bed38ac4

 3336 10:22:19.379077  # [   86.708448] dfe0: 00000004 bed387f8 b6ecad8f b6e517e6 800e0030 00000001 00000000 00000000

 3337 10:22:19.379349  # [   86.716892] Backtrace: 

 3338 10:22:19.379507  # [   86.719634] [<c138a970>] (lkdtm_WRITE_KERN) from [<c0c547ac>] (lkdtm_do_action+0x2c/0x4c)

 3339 10:22:19.379654  # [   86.728084]  r7:c60fdf60 r6:0000000b r5:c643b000 r4:0000002a

 3340 10:22:19.379793  # [   86.734017] [<c0c54780>] (lkdtm_do_action) from [<c0c54cac>] (direct_entry+0x120/0x18c)

 3341 10:22:19.379930  # [   86.742302] [<c0c54b8c>] (direct_entry) from [<c07e05cc>] (full_proxy_write+0x64/0x94)

 3342 10:22:19.423102  # [   86.750491]  r9:c60fdf60 r8:c5360b40 r7:0000000b r6:b6e19000 r5:c4766c80 r4:c0c54b8c

 3343 10:22:19.423619  # [   86.758515] [<c07e0568>] (full_proxy_write) from [<c059ac18>] (vfs_write+0x10c/0x53c)

 3344 10:22:19.423961  # [   86.766616]  r9:c07e0568 r8:c60fdf60 r7:c2815800 r6:b6e19000 r5:c4766c80 r4:00000000

 3345 10:22:19.424264  # [   86.774634] [<c059ab0c>] (vfs_write) from [<c059b1c4>] (ksys_write+0x74/0xec)

 3346 10:22:19.424557  # [   86.782041]  r10:00000004 r9:00000000 r8:00000000 r7:b6e19000 r6:c60fc000 r5:c4766c80

 3347 10:22:19.424842  # [   86.790138]  r4:c4766c80

 3348 10:22:19.467098  # [   86.792946] [<c059b150>] (ksys_write) from [<c059b254>] (sys_write+0x18/0x1c)

 3349 10:22:19.467611  # [   86.800354]  r9:c60fc000 r8:c03002e4 r7:00000004 r6:b6f60e00 r5:0000000b r4:0000000b

 3350 10:22:19.467949  # [   86.808373] [<c059b23c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 3351 10:22:19.468252  # [   86.816208] Exception stack(0xc60fdfa8 to 0xc60fdff0)

 3352 10:22:19.468541  # [   86.821531] dfa0:                   0000000b 0000000b 00000001 b6e19000 0000000b 00000000

 3353 10:22:19.468830  # [   86.829980] dfc0: 0000000b 0000000b b6f60e00 00000004 00000001 00000000 00020000 bed38ac4

 3354 10:22:19.511349  # [   86.838425] dfe0: 00000004 bed387f8 b6ecad8f b6e517e6

 3355 10:22:19.511862  # [   86.843750] Code: f5d1f05c f5d1f07c e8b151f8 e2522020 (e8a051f8) 

 3356 10:22:19.512201  # [   86.850119] ---[ end trace 184820ef97b03c2e ]---

 3357 10:22:19.512503  # WRITE_KERN: missing 'call trace:': [FAIL]

 3358 10:22:19.512791  not ok 41 selftests: lkdtm: WRITE_KERN.sh # exit=1

 3359 10:22:19.513081  # selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh

 3360 10:22:19.608556  <6>[   87.466656] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW

 3361 10:22:19.608782  <6>[   87.473083] lkdtm: attempting good refcount_inc() without overflow

 3362 10:22:19.608909  <6>[   87.479629] lkdtm: attempting bad refcount_inc() overflow

 3363 10:22:19.609023  <4>[   87.485306] ------------[ cut here ]------------

 3364 10:22:19.609130  <4>[   87.490251] WARNING: CPU: 3 PID: 2586 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174

 3365 10:22:19.609239  <4>[   87.499003] refcount_t: saturated; leaking memory.

 3366 10:22:19.651815  <4>[   87.504069] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 3367 10:22:19.652133  <4>[   87.533577] CPU: 3 PID: 2586 Comm: cat Tainted: G      D W         5.10.182-cip34 #1

 3368 10:22:19.652322  <4>[   87.541592] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 3369 10:22:19.652497  <4>[   87.548388] Backtrace: 

 3370 10:22:19.695178  <4>[   87.551129] [<c137cc4c>] (dump_backtrace) from [<c137d00c>] (show_stack+0x20/0x24)

 3371 10:22:19.695692  <4>[   87.558971]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fdf8

 3372 10:22:19.696026  <4>[   87.564908] [<c137cfec>] (show_stack) from [<c1384268>] (dump_stack+0xe0/0x100)

 3373 10:22:19.696331  <4>[   87.572499] [<c1384188>] (dump_stack) from [<c0356820>] (__warn+0x98/0x14c)

 3374 10:22:19.696620  <4>[   87.579734]  r9:00000009 r8:c0873b88 r7:00000016 r6:00000009 r5:c0873b88 r4:c1a2419c

 3375 10:22:19.696905  <4>[   87.587752] [<c0356788>] (__warn) from [<c137e148>] (warn_slowpath_fmt+0x8c/0xa8)

 3376 10:22:19.739066  <4>[   87.595505]  r7:00000016 r6:c1a2419c r5:c1a24174 r4:c5cfc000

 3377 10:22:19.739578  <4>[   87.601443] [<c137e0c0>] (warn_slowpath_fmt) from [<c0873b88>] (refcount_warn_saturate+0xd4/0x174)

 3378 10:22:19.739919  <4>[   87.610672]  r9:c1ad0194 r8:c15ebcc8 r7:c5cfdf60 r6:00000016 r5:c63b6000 r4:c5cfc000

 3379 10:22:19.740222  <4>[   87.618692] [<c0873ab4>] (refcount_warn_saturate) from [<c0c55830>] (__refcount_add.constprop.0+0x44/0x58)

 3380 10:22:19.740514  <4>[   87.628627] [<c0c557ec>] (__refcount_add.constprop.0) from [<c138adec>] (lkdtm_REFCOUNT_INC_OVERFLOW+0x78/0x9c)

 3381 10:22:19.783207  <4>[   87.638988] [<c138ad74>] (lkdtm_REFCOUNT_INC_OVERFLOW) from [<c0c547ac>] (lkdtm_do_action+0x2c/0x4c)

 3382 10:22:19.783723  <4>[   87.648387]  r4:0000002b

 3383 10:22:19.784060  <4>[   87.651192] [<c0c54780>] (lkdtm_do_action) from [<c0c54cac>] (direct_entry+0x120/0x18c)

 3384 10:22:19.784367  <4>[   87.659475] [<c0c54b8c>] (direct_entry) from [<c07e05cc>] (full_proxy_write+0x64/0x94)

 3385 10:22:19.784659  <4>[   87.667663]  r9:c5cfdf60 r8:c5360b40 r7:00000016 r6:b6e22000 r5:c5a9eb40 r4:c0c54b8c

 3386 10:22:19.827101  <4>[   87.675684] [<c07e0568>] (full_proxy_write) from [<c059ac18>] (vfs_write+0x10c/0x53c)

 3387 10:22:19.827605  <4>[   87.683785]  r9:c07e0568 r8:c5cfdf60 r7:c2815800 r6:b6e22000 r5:c5a9eb40 r4:00000000

 3388 10:22:19.827935  <4>[   87.691800] [<c059ab0c>] (vfs_write) from [<c059b1c4>] (ksys_write+0x74/0xec)

 3389 10:22:19.828238  <4>[   87.699207]  r10:00000004 r9:00000000 r8:00000000 r7:b6e22000 r6:c5cfc000 r5:c5a9eb40

 3390 10:22:19.828528  <4>[   87.707304]  r4:c5a9eb40

 3391 10:22:19.828808  <4>[   87.710110] [<c059b150>] (ksys_write) from [<c059b254>] (sys_write+0x18/0x1c)

 3392 10:22:19.829087  <4>[   87.717519]  r9:c5cfc000 r8:c03002e4 r7:00000004 r6:b6f69e00 r5:00000016 r4:00000016

 3393 10:22:19.871210  <4>[   87.725538] [<c059b23c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 3394 10:22:19.871725  <4>[   87.733376] Exception stack(0xc5cfdfa8 to 0xc5cfdff0)

 3395 10:22:19.872064  <4>[   87.738700] dfa0:                   00000016 00000016 00000001 b6e22000 00000016 00000000

 3396 10:22:19.872370  <4>[   87.747150] dfc0: 00000016 00000016 b6f69e00 00000004 00000001 00000000 00020000 bead0ac4

 3397 10:22:19.872659  <4>[   87.755595] dfe0: 00000004 bead07f8 b6ed3d8f b6e5a7e6

 3398 10:22:19.872942  <4>[   87.760983] irq event stamp: 0

 3399 10:22:19.914888  <4>[   87.764322] hardirqs last  enabled at (0): [<00000000>] 0x0

 3400 10:22:19.915039  <4>[   87.770210] hardirqs last disabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 3401 10:22:19.915102  <4>[   87.778029] softirqs last  enabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 3402 10:22:19.915201  <4>[   87.785805] softirqs last disabled at (0): [<00000000>] 0x0

 3403 10:22:19.915270  <4>[   87.791717] ---[ end trace 184820ef97b03c2f ]---

 3404 10:22:19.915325  <6>[   87.796625] lkdtm: Overflow detected: saturated

 3405 10:22:20.055448  # [   87.466656] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW

 3406 10:22:20.055957  # [   87.473083] lkdtm: attempting good refcount_inc() without overflow

 3407 10:22:20.056284  # [   87.479629] lkdtm: attempting bad refcount_inc() overflow

 3408 10:22:20.056581  # [   87.485306] ------------[ cut here ]------------

 3409 10:22:20.056869  # [   87.490251] WARNING: CPU: 3 PID: 2586 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174

 3410 10:22:20.057156  # [   87.499003] refcount_t: saturated; leaking memory.

 3411 10:22:20.099100  # [   87.504069] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 3412 10:22:20.099625  # [   87.533577] CPU: 3 PID: 2586 Comm: cat Tainted: G      D W         5.10.182-cip34 #1

 3413 10:22:20.099967  # [   87.541592] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 3414 10:22:20.100274  # [   87.548388] Backtrace: 

 3415 10:22:20.143225  # [   87.551129] [<c137cc4c>] (dump_backtrace) from [<c137d00c>] (show_stack+0x20/0x24)

 3416 10:22:20.143740  # [   87.558971]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fdf8

 3417 10:22:20.144077  # [   87.564908] [<c137cfec>] (show_stack) from [<c1384268>] (dump_stack+0xe0/0x100)

 3418 10:22:20.144377  # [   87.572499] [<c1384188>] (dump_stack) from [<c0356820>] (__warn+0x98/0x14c)

 3419 10:22:20.144669  # [   87.579734]  r9:00000009 r8:c0873b88 r7:00000016 r6:00000009 r5:c0873b88 r4:c1a2419c

 3420 10:22:20.144948  # [   87.587752] [<c0356788>] (__warn) from [<c137e148>] (warn_slowpath_fmt+0x8c/0xa8)

 3421 10:22:20.186924  # [   87.595505]  r7:00000016 r6:c1a2419c r5:c1a24174 r4:c5cfc000

 3422 10:22:20.187090  # [   87.601443] [<c137e0c0>] (warn_slowpath_fmt) from [<c0873b88>] (refcount_warn_saturate+0xd4/0x174)

 3423 10:22:20.187171  # [   87.610672]  r9:c1ad0194 r8:c15ebcc8 r7:c5cfdf60 r6:00000016 r5:c63b6000 r4:c5cfc000

 3424 10:22:20.187245  # [   87.618692] [<c0873ab4>] (refcount_warn_saturate) from [<c0c55830>] (__refcount_add.constprop.0+0x44/0x58)

 3425 10:22:20.187314  # [   87.628627] [<c0c557ec>] (__refcount_add.constprop.0) from [<c138adec>] (lkdtm_REFCOUNT_INC_OVERFLOW+0x78/0x9c)

 3426 10:22:20.230968  # [   87.638988] [<c138ad74>] (lkdtm_REFCOUNT_INC_OVERFLOW) from [<c0c547ac>] (lkdtm_do_action+0x2c/0x4c)

 3427 10:22:20.231277  # [   87.648387]  r4:0000002b

 3428 10:22:20.231464  # [   87.651192] [<c0c54780>] (lkdtm_do_action) from [<c0c54cac>] (direct_entry+0x120/0x18c)

 3429 10:22:20.231637  # [   87.659475] [<c0c54b8c>] (direct_entry) from [<c07e05cc>] (full_proxy_write+0x64/0x94)

 3430 10:22:20.231802  # [   87.667663]  r9:c5cfdf60 r8:c5360b40 r7:00000016 r6:b6e22000 r5:c5a9eb40 r4:c0c54b8c

 3431 10:22:20.231958  # [   87.675684] [<c07e0568>] (full_proxy_write) from [<c059ac18>] (vfs_write+0x10c/0x53c)

 3432 10:22:20.275012  # [   87.683785]  r9:c07e0568 r8:c5cfdf60 r7:c2815800 r6:b6e22000 r5:c5a9eb40 r4:00000000

 3433 10:22:20.275491  # [   87.691800] [<c059ab0c>] (vfs_write) from [<c059b1c4>] (ksys_write+0x74/0xec)

 3434 10:22:20.275796  # [   87.699207]  r10:00000004 r9:00000000 r8:00000000 r7:b6e22000 r6:c5cfc000 r5:c5a9eb40

 3435 10:22:20.276073  # [   87.707304]  r4:c5a9eb40

 3436 10:22:20.276338  # [   87.710110] [<c059b150>] (ksys_write) from [<c059b254>] (sys_write+0x18/0x1c)

 3437 10:22:20.276601  # [   87.717519]  r9:c5cfc000 r8:c03002e4 r7:00000004 r6:b6f69e00 r5:00000016 r4:00000016

 3438 10:22:20.319233  # [   87.725538] [<c059b23c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 3439 10:22:20.319717  # [   87.733376] Exception stack(0xc5cfdfa8 to 0xc5cfdff0)

 3440 10:22:20.320028  # [   87.738700] dfa0:                   00000016 00000016 00000001 b6e22000 00000016 00000000

 3441 10:22:20.320308  # [   87.747150] dfc0: 00000016 00000016 b6f69e00 00000004 00000001 00000000 00020000 bead0ac4

 3442 10:22:20.320572  # [   87.755595] dfe0: 00000004 bead07f8 b6ed3d8f b6e5a7e6

 3443 10:22:20.320832  # [   87.760983] irq event stamp: 0

 3444 10:22:20.321084  # [   87.764322] hardirqs last  enabled at (0): [<00000000>] 0x0

 3445 10:22:20.366734  # [   87.770210] hardirqs last disabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 3446 10:22:20.367217  # [   87.778029] softirqs last  enabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 3447 10:22:20.367519  # [   87.785805] softirqs last disabled at (0): [<00000000>] 0x0

 3448 10:22:20.367795  # [   87.791717] ---[ end trace 184820ef97b03c2f ]---

 3449 10:22:20.368061  # [   87.796625] lkdtm: Overflow detected: saturated

 3450 10:22:20.368320  # REFCOUNT_INC_OVERFLOW: missing 'call trace:': [FAIL]

 3451 10:22:20.368577  not ok 42 selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # exit=1

 3452 10:22:20.368838  # selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh

 3453 10:22:20.450333  <6>[   88.308272] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW

 3454 10:22:20.450838  <6>[   88.314565] lkdtm: attempting good refcount_add() without overflow

 3455 10:22:20.451143  <6>[   88.321075] lkdtm: attempting bad refcount_add() overflow

 3456 10:22:20.451423  <4>[   88.326751] ------------[ cut here ]------------

 3457 10:22:20.451691  <4>[   88.331731] WARNING: CPU: 1 PID: 2620 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174

 3458 10:22:20.451956  <4>[   88.340485] refcount_t: saturated; leaking memory.

 3459 10:22:20.493626  <4>[   88.345550] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 3460 10:22:20.494153  <4>[   88.375039] CPU: 1 PID: 2620 Comm: cat Tainted: G      D W         5.10.182-cip34 #1

 3461 10:22:20.494484  <4>[   88.383053] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 3462 10:22:20.494819  <4>[   88.389850] Backtrace: 

 3463 10:22:20.536787  <4>[   88.392589] [<c137cc4c>] (dump_backtrace) from [<c137d00c>] (show_stack+0x20/0x24)

 3464 10:22:20.537267  <4>[   88.400433]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fdf8

 3465 10:22:20.537571  <4>[   88.406369] [<c137cfec>] (show_stack) from [<c1384268>] (dump_stack+0xe0/0x100)

 3466 10:22:20.537851  <4>[   88.413960] [<c1384188>] (dump_stack) from [<c0356820>] (__warn+0x98/0x14c)

 3467 10:22:20.538144  <4>[   88.421194]  r9:00000009 r8:c0873b88 r7:00000016 r6:00000009 r5:c0873b88 r4:c1a2419c

 3468 10:22:20.538431  <4>[   88.429212] [<c0356788>] (__warn) from [<c137e148>] (warn_slowpath_fmt+0x8c/0xa8)

 3469 10:22:20.580034  <4>[   88.436965]  r7:00000016 r6:c1a2419c r5:c1a24174 r4:c5b20000

 3470 10:22:20.580548  <4>[   88.442902] [<c137e0c0>] (warn_slowpath_fmt) from [<c0873b88>] (refcount_warn_saturate+0xd4/0x174)

 3471 10:22:20.580883  <4>[   88.452134]  r9:c1ad01ac r8:c15ebcc8 r7:c5b21f60 r6:00000016 r5:c63e6000 r4:c5b20000

 3472 10:22:20.581186  <4>[   88.460153] [<c0873ab4>] (refcount_warn_saturate) from [<c0c55830>] (__refcount_add.constprop.0+0x44/0x58)

 3473 10:22:20.581482  <4>[   88.470088] [<c0c557ec>] (__refcount_add.constprop.0) from [<c138ae94>] (lkdtm_REFCOUNT_ADD_OVERFLOW+0x84/0xa8)

 3474 10:22:20.623323  <4>[   88.480452] [<c138ae10>] (lkdtm_REFCOUNT_ADD_OVERFLOW) from [<c0c547ac>] (lkdtm_do_action+0x2c/0x4c)

 3475 10:22:20.623835  <4>[   88.489850]  r4:0000002c

 3476 10:22:20.624164  <4>[   88.492658] [<c0c54780>] (lkdtm_do_action) from [<c0c54cac>] (direct_entry+0x120/0x18c)

 3477 10:22:20.624466  <4>[   88.500940] [<c0c54b8c>] (direct_entry) from [<c07e05cc>] (full_proxy_write+0x64/0x94)

 3478 10:22:20.624757  <4>[   88.509128]  r9:c5b21f60 r8:c5360b40 r7:00000016 r6:b6e98000 r5:c4767400 r4:c0c54b8c

 3479 10:22:20.667096  <4>[   88.517150] [<c07e0568>] (full_proxy_write) from [<c059ac18>] (vfs_write+0x10c/0x53c)

 3480 10:22:20.667614  <4>[   88.525252]  r9:c07e0568 r8:c5b21f60 r7:c2815800 r6:b6e98000 r5:c4767400 r4:00000000

 3481 10:22:20.667958  <4>[   88.533269] [<c059ab0c>] (vfs_write) from [<c059b1c4>] (ksys_write+0x74/0xec)

 3482 10:22:20.668261  <4>[   88.540676]  r10:00000004 r9:00000000 r8:00000000 r7:b6e98000 r6:c5b20000 r5:c4767400

 3483 10:22:20.668550  <4>[   88.548772]  r4:c4767400

 3484 10:22:20.668832  <4>[   88.551578] [<c059b150>] (ksys_write) from [<c059b254>] (sys_write+0x18/0x1c)

 3485 10:22:20.669114  <4>[   88.558987]  r9:c5b20000 r8:c03002e4 r7:00000004 r6:b6fdfe00 r5:00000016 r4:00000016

 3486 10:22:20.711198  <4>[   88.567007] [<c059b23c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 3487 10:22:20.711715  <4>[   88.574845] Exception stack(0xc5b21fa8 to 0xc5b21ff0)

 3488 10:22:20.712052  <4>[   88.580170] 1fa0:                   00000016 00000016 00000001 b6e98000 00000016 00000000

 3489 10:22:20.712356  <4>[   88.588619] 1fc0: 00000016 00000016 b6fdfe00 00000004 00000001 00000000 00020000 bef7dac4

 3490 10:22:20.712647  <4>[   88.597064] 1fe0: 00000004 bef7d7f8 b6f49d8f b6ed07e6

 3491 10:22:20.712928  <4>[   88.602459] irq event stamp: 0

 3492 10:22:20.754783  <4>[   88.605798] hardirqs last  enabled at (0): [<00000000>] 0x0

 3493 10:22:20.754936  <4>[   88.611689] hardirqs last disabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 3494 10:22:20.754999  <4>[   88.619524] softirqs last  enabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 3495 10:22:20.755057  <4>[   88.627353] softirqs last disabled at (0): [<00000000>] 0x0

 3496 10:22:20.755112  <4>[   88.633218] ---[ end trace 184820ef97b03c30 ]---

 3497 10:22:20.755166  <6>[   88.638154] lkdtm: Overflow detected: saturated

 3498 10:22:20.895067  # [   88.308272] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW

 3499 10:22:20.895547  # [   88.314565] lkdtm: attempting good refcount_add() without overflow

 3500 10:22:20.895848  # [   88.321075] lkdtm: attempting bad refcount_add() overflow

 3501 10:22:20.896124  # [   88.326751] ------------[ cut here ]------------

 3502 10:22:20.896390  # [   88.331731] WARNING: CPU: 1 PID: 2620 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174

 3503 10:22:20.896654  # [   88.340485] refcount_t: saturated; leaking memory.

 3504 10:22:20.939110  # [   88.345550] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 3505 10:22:20.939639  # [   88.375039] CPU: 1 PID: 2620 Comm: cat Tainted: G      D W         5.10.182-cip34 #1

 3506 10:22:20.939982  # [   88.383053] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 3507 10:22:20.940286  # [   88.389850] Backtrace: 

 3508 10:22:20.983250  # [   88.392589] [<c137cc4c>] (dump_backtrace) from [<c137d00c>] (show_stack+0x20/0x24)

 3509 10:22:20.983767  # [   88.400433]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fdf8

 3510 10:22:20.984103  # [   88.406369] [<c137cfec>] (show_stack) from [<c1384268>] (dump_stack+0xe0/0x100)

 3511 10:22:20.984407  # [   88.413960] [<c1384188>] (dump_stack) from [<c0356820>] (__warn+0x98/0x14c)

 3512 10:22:20.984695  # [   88.421194]  r9:00000009 r8:c0873b88 r7:00000016 r6:00000009 r5:c0873b88 r4:c1a2419c

 3513 10:22:20.984979  # [   88.429212] [<c0356788>] (__warn) from [<c137e148>] (warn_slowpath_fmt+0x8c/0xa8)

 3514 10:22:21.027054  # [   88.436965]  r7:00000016 r6:c1a2419c r5:c1a24174 r4:c5b20000

 3515 10:22:21.027548  # [   88.442902] [<c137e0c0>] (warn_slowpath_fmt) from [<c0873b88>] (refcount_warn_saturate+0xd4/0x174)

 3516 10:22:21.027882  # [   88.452134]  r9:c1ad01ac r8:c15ebcc8 r7:c5b21f60 r6:00000016 r5:c63e6000 r4:c5b20000

 3517 10:22:21.028161  # [   88.460153] [<c0873ab4>] (refcount_warn_saturate) from [<c0c55830>] (__refcount_add.constprop.0+0x44/0x58)

 3518 10:22:21.028427  # [   88.470088] [<c0c557ec>] (__refcount_add.constprop.0) from [<c138ae94>] (lkdtm_REFCOUNT_ADD_OVERFLOW+0x84/0xa8)

 3519 10:22:21.071007  # [   88.480452] [<c138ae10>] (lkdtm_REFCOUNT_ADD_OVERFLOW) from [<c0c547ac>] (lkdtm_do_action+0x2c/0x4c)

 3520 10:22:21.071498  # [   88.489850]  r4:0000002c

 3521 10:22:21.071801  # [   88.492658] [<c0c54780>] (lkdtm_do_action) from [<c0c54cac>] (direct_entry+0x120/0x18c)

 3522 10:22:21.072077  # [   88.500940] [<c0c54b8c>] (direct_entry) from [<c07e05cc>] (full_proxy_write+0x64/0x94)

 3523 10:22:21.072342  # [   88.509128]  r9:c5b21f60 r8:c5360b40 r7:00000016 r6:b6e98000 r5:c4767400 r4:c0c54b8c

 3524 10:22:21.072604  # [   88.517150] [<c07e0568>] (full_proxy_write) from [<c059ac18>] (vfs_write+0x10c/0x53c)

 3525 10:22:21.115144  # [   88.525252]  r9:c07e0568 r8:c5b21f60 r7:c2815800 r6:b6e98000 r5:c4767400 r4:00000000

 3526 10:22:21.115636  # [   88.533269] [<c059ab0c>] (vfs_write) from [<c059b1c4>] (ksys_write+0x74/0xec)

 3527 10:22:21.115958  # [   88.540676]  r10:00000004 r9:00000000 r8:00000000 r7:b6e98000 r6:c5b20000 r5:c4767400

 3528 10:22:21.116270  # [   88.548772]  r4:c4767400

 3529 10:22:21.116560  # [   88.551578] [<c059b150>] (ksys_write) from [<c059b254>] (sys_write+0x18/0x1c)

 3530 10:22:21.116843  # [   88.558987]  r9:c5b20000 r8:c03002e4 r7:00000004 r6:b6fdfe00 r5:00000016 r4:00000016

 3531 10:22:21.159239  # [   88.567007] [<c059b23c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 3532 10:22:21.159750  # [   88.574845] Exception stack(0xc5b21fa8 to 0xc5b21ff0)

 3533 10:22:21.160084  # [   88.580170] 1fa0:                   00000016 00000016 00000001 b6e98000 00000016 00000000

 3534 10:22:21.160390  # [   88.588619] 1fc0: 00000016 00000016 b6fdfe00 00000004 00000001 00000000 00020000 bef7dac4

 3535 10:22:21.160682  # [   88.597064] 1fe0: 00000004 bef7d7f8 b6f49d8f b6ed07e6

 3536 10:22:21.160965  # [   88.602459] irq event stamp: 0

 3537 10:22:21.161242  # [   88.605798] hardirqs last  enabled at (0): [<00000000>] 0x0

 3538 10:22:21.206800  # [   88.611689] hardirqs last disabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 3539 10:22:21.207316  # [   88.619524] softirqs last  enabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 3540 10:22:21.207647  # [   88.627353] softirqs last disabled at (0): [<00000000>] 0x0

 3541 10:22:21.207950  # [   88.633218] ---[ end trace 184820ef97b03c30 ]---

 3542 10:22:21.208238  # [   88.638154] lkdtm: Overflow detected: saturated

 3543 10:22:21.208522  # REFCOUNT_ADD_OVERFLOW: missing 'call trace:': [FAIL]

 3544 10:22:21.208803  not ok 43 selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh # exit=1

 3545 10:22:21.209081  # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh

 3546 10:22:21.298389  <6>[   89.151105] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW

 3547 10:22:21.298888  <6>[   89.158271] lkdtm: attempting bad refcount_inc_not_zero() overflow

 3548 10:22:21.299224  <4>[   89.164729] ------------[ cut here ]------------

 3549 10:22:21.299521  <4>[   89.169695] WARNING: CPU: 0 PID: 2654 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174

 3550 10:22:21.299806  <4>[   89.178468] refcount_t: saturated; leaking memory.

 3551 10:22:21.341764  <4>[   89.183536] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 3552 10:22:21.342292  <4>[   89.213135] CPU: 0 PID: 2654 Comm: cat Tainted: G      D W         5.10.182-cip34 #1

 3553 10:22:21.342651  <4>[   89.221151] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 3554 10:22:21.342957  <4>[   89.227948] Backtrace: 

 3555 10:22:21.343246  <4>[   89.230686] [<c137cc4c>] (dump_backtrace) from [<c137d00c>] (show_stack+0x20/0x24)

 3556 10:22:21.384987  <4>[   89.238528]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fdf8

 3557 10:22:21.385502  <4>[   89.244470] [<c137cfec>] (show_stack) from [<c1384268>] (dump_stack+0xe0/0x100)

 3558 10:22:21.385831  <4>[   89.252059] [<c1384188>] (dump_stack) from [<c0356820>] (__warn+0x98/0x14c)

 3559 10:22:21.386136  <4>[   89.259293]  r9:00000009 r8:c0873b54 r7:00000013 r6:00000009 r5:c0873b54 r4:c1a2419c

 3560 10:22:21.386426  <4>[   89.267315] [<c0356788>] (__warn) from [<c137e148>] (warn_slowpath_fmt+0x8c/0xa8)

 3561 10:22:21.386743  <4>[   89.275068]  r7:00000013 r6:c1a2419c r5:c1a24174 r4:c5aea000

 3562 10:22:21.428135  <4>[   89.281001] [<c137e0c0>] (warn_slowpath_fmt) from [<c0873b54>] (refcount_warn_saturate+0xa0/0x174)

 3563 10:22:21.428654  <4>[   89.290231]  r9:c1ad01c4 r8:c15ebcc8 r7:c5aebf60 r6:0000001f r5:c6425000 r4:7fffffff

 3564 10:22:21.428988  <4>[   89.298255] [<c0873ab4>] (refcount_warn_saturate) from [<c138ad60>] (__refcount_add_not_zero.constprop.0+0x64/0x78)

 3565 10:22:21.429299  <4>[   89.308966] [<c138acfc>] (__refcount_add_not_zero.constprop.0) from [<c138af08>] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x50/0x88)

 3566 10:22:21.429592  <4>[   89.320885]  r5:c6425000 r4:c5aea000

 3567 10:22:21.471494  <4>[   89.324739] [<c138aeb8>] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW) from [<c0c547ac>] (lkdtm_do_action+0x2c/0x4c)

 3568 10:22:21.472006  <4>[   89.334919]  r4:0000002d

 3569 10:22:21.472336  <4>[   89.337726] [<c0c54780>] (lkdtm_do_action) from [<c0c54cac>] (direct_entry+0x120/0x18c)

 3570 10:22:21.472641  <4>[   89.346007] [<c0c54b8c>] (direct_entry) from [<c07e05cc>] (full_proxy_write+0x64/0x94)

 3571 10:22:21.472932  <4>[   89.354196]  r9:c5aebf60 r8:c5360b40 r7:0000001f r6:b6e56000 r5:c5bd2dc0 r4:c0c54b8c

 3572 10:22:21.473219  <4>[   89.362217] [<c07e0568>] (full_proxy_write) from [<c059ac18>] (vfs_write+0x10c/0x53c)

 3573 10:22:21.515092  <4>[   89.370318]  r9:c07e0568 r8:c5aebf60 r7:c2815800 r6:b6e56000 r5:c5bd2dc0 r4:00000000

 3574 10:22:21.515608  <4>[   89.378336] [<c059ab0c>] (vfs_write) from [<c059b1c4>] (ksys_write+0x74/0xec)

 3575 10:22:21.515950  <4>[   89.385742]  r10:00000004 r9:00000000 r8:00000000 r7:b6e56000 r6:c5aea000 r5:c5bd2dc0

 3576 10:22:21.516252  <4>[   89.393839]  r4:c5bd2dc0

 3577 10:22:21.516539  <4>[   89.396646] [<c059b150>] (ksys_write) from [<c059b254>] (sys_write+0x18/0x1c)

 3578 10:22:21.516825  <4>[   89.404053]  r9:c5aea000 r8:c03002e4 r7:00000004 r6:b6f9de00 r5:0000001f r4:0000001f

 3579 10:22:21.559116  <4>[   89.412070] [<c059b23c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 3580 10:22:21.559629  <4>[   89.419909] Exception stack(0xc5aebfa8 to 0xc5aebff0)

 3581 10:22:21.559970  <4>[   89.425234] bfa0:                   0000001f 0000001f 00000001 b6e56000 0000001f 00000000

 3582 10:22:21.560276  <4>[   89.433683] bfc0: 0000001f 0000001f b6f9de00 00000004 00000001 00000000 00020000 be88fac4

 3583 10:22:21.560569  <4>[   89.442131] bfe0: 00000004 be88f7f8 b6f07d8f b6e8e7e6

 3584 10:22:21.560853  <4>[   89.447586] irq event stamp: 0

 3585 10:22:21.561132  <4>[   89.450931] hardirqs last  enabled at (0): [<00000000>] 0x0

 3586 10:22:21.602747  <4>[   89.456787] hardirqs last disabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 3587 10:22:21.602902  <4>[   89.464597] softirqs last  enabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 3588 10:22:21.602978  <4>[   89.472391] softirqs last disabled at (0): [<00000000>] 0x0

 3589 10:22:21.603040  <4>[   89.478276] ---[ end trace 184820ef97b03c31 ]---

 3590 10:22:21.603098  <6>[   89.483171] lkdtm: Overflow detected: saturated

 3591 10:22:21.739349  # [   89.151105] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW

 3592 10:22:21.739873  # [   89.158271] lkdtm: attempting bad refcount_inc_not_zero() overflow

 3593 10:22:21.740207  # [   89.164729] ------------[ cut here ]------------

 3594 10:22:21.740511  # [   89.169695] WARNING: CPU: 0 PID: 2654 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174

 3595 10:22:21.740805  # [   89.178468] refcount_t: saturated; leaking memory.

 3596 10:22:21.787257  # [   89.183536] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 3597 10:22:21.787784  # [   89.213135] CPU: 0 PID: 2654 Comm: cat Tainted: G      D W         5.10.182-cip34 #1

 3598 10:22:21.788123  # [   89.221151] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 3599 10:22:21.788428  # [   89.227948] Backtrace: 

 3600 10:22:21.788719  # [   89.230686] [<c137cc4c>] (dump_backtrace) from [<c137d00c>] (show_stack+0x20/0x24)

 3601 10:22:21.831249  # [   89.238528]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fdf8

 3602 10:22:21.831758  # [   89.244470] [<c137cfec>] (show_stack) from [<c1384268>] (dump_stack+0xe0/0x100)

 3603 10:22:21.832096  # [   89.252059] [<c1384188>] (dump_stack) from [<c0356820>] (__warn+0x98/0x14c)

 3604 10:22:21.832400  # [   89.259293]  r9:00000009 r8:c0873b54 r7:00000013 r6:00000009 r5:c0873b54 r4:c1a2419c

 3605 10:22:21.832694  # [   89.267315] [<c0356788>] (__warn) from [<c137e148>] (warn_slowpath_fmt+0x8c/0xa8)

 3606 10:22:21.832981  # [   89.275068]  r7:00000013 r6:c1a2419c r5:c1a24174 r4:c5aea000

 3607 10:22:21.875134  # [   89.281001] [<c137e0c0>] (warn_slowpath_fmt) from [<c0873b54>] (refcount_warn_saturate+0xa0/0x174)

 3608 10:22:21.875616  # [   89.290231]  r9:c1ad01c4 r8:c15ebcc8 r7:c5aebf60 r6:0000001f r5:c6425000 r4:7fffffff

 3609 10:22:21.875989  # [   89.298255] [<c0873ab4>] (refcount_warn_saturate) from [<c138ad60>] (__refcount_add_not_zero.constprop.0+0x64/0x78)

 3610 10:22:21.876296  # [   89.308966] [<c138acfc>] (__refcount_add_not_zero.constprop.0) from [<c138af08>] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x50/0x88)

 3611 10:22:21.876588  # [   89.320885]  r5:c6425000 r4:c5aea000

 3612 10:22:21.919257  # [   89.324739] [<c138aeb8>] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW) from [<c0c547ac>] (lkdtm_do_action+0x2c/0x4c)

 3613 10:22:21.919770  # [   89.334919]  r4:0000002d

 3614 10:22:21.920103  # [   89.337726] [<c0c54780>] (lkdtm_do_action) from [<c0c54cac>] (direct_entry+0x120/0x18c)

 3615 10:22:21.920407  # [   89.346007] [<c0c54b8c>] (direct_entry) from [<c07e05cc>] (full_proxy_write+0x64/0x94)

 3616 10:22:21.920698  # [   89.354196]  r9:c5aebf60 r8:c5360b40 r7:0000001f r6:b6e56000 r5:c5bd2dc0 r4:c0c54b8c

 3617 10:22:21.920983  # [   89.362217] [<c07e0568>] (full_proxy_write) from [<c059ac18>] (vfs_write+0x10c/0x53c)

 3618 10:22:21.963116  # [   89.370318]  r9:c07e0568 r8:c5aebf60 r7:c2815800 r6:b6e56000 r5:c5bd2dc0 r4:00000000

 3619 10:22:21.963592  # [   89.378336] [<c059ab0c>] (vfs_write) from [<c059b1c4>] (ksys_write+0x74/0xec)

 3620 10:22:21.963893  # [   89.385742]  r10:00000004 r9:00000000 r8:00000000 r7:b6e56000 r6:c5aea000 r5:c5bd2dc0

 3621 10:22:21.964171  # [   89.393839]  r4:c5bd2dc0

 3622 10:22:21.964437  # [   89.396646] [<c059b150>] (ksys_write) from [<c059b254>] (sys_write+0x18/0x1c)

 3623 10:22:21.964702  # [   89.404053]  r9:c5aea000 r8:c03002e4 r7:00000004 r6:b6f9de00 r5:0000001f r4:0000001f

 3624 10:22:22.007259  # [   89.412070] [<c059b23c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 3625 10:22:22.007737  # [   89.419909] Exception stack(0xc5aebfa8 to 0xc5aebff0)

 3626 10:22:22.008049  # [   89.425234] bfa0:                   0000001f 0000001f 00000001 b6e56000 0000001f 00000000

 3627 10:22:22.008327  # [   89.433683] bfc0: 0000001f 0000001f b6f9de00 00000004 00000001 00000000 00020000 be88fac4

 3628 10:22:22.008593  # [   89.442131] bfe0: 00000004 be88f7f8 b6f07d8f b6e8e7e6

 3629 10:22:22.008855  # [   89.447586] irq event stamp: 0

 3630 10:22:22.009110  # [   89.450931] hardirqs last  enabled at (0): [<00000000>] 0x0

 3631 10:22:22.050786  # [   89.456787] hardirqs last disabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 3632 10:22:22.050931  # [   89.464597] softirqs last  enabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 3633 10:22:22.050994  # [   89.472391] softirqs last disabled at (0): [<00000000>] 0x0

 3634 10:22:22.051052  # [   89.478276] ---[ end trace 184820ef97b03c31 ]---

 3635 10:22:22.051108  # [   89.483171] lkdtm: Overflow detected: saturated

 3636 10:22:22.051178  # REFCOUNT_INC_NOT_ZERO_OVERFLOW: missing 'call trace:': [FAIL]

 3637 10:22:22.051245  not ok 44 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh # exit=1

 3638 10:22:22.094847  # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh

 3639 10:22:22.152300  <6>[   90.010354] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW

 3640 10:22:22.152781  <6>[   90.017476] lkdtm: attempting bad refcount_add_not_zero() overflow

 3641 10:22:22.153086  <4>[   90.023936] ------------[ cut here ]------------

 3642 10:22:22.153365  <4>[   90.028885] WARNING: CPU: 0 PID: 2688 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174

 3643 10:22:22.153637  <4>[   90.037655] refcount_t: saturated; leaking memory.

 3644 10:22:22.195489  <4>[   90.042721] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 3645 10:22:22.196016  <4>[   90.072305] CPU: 0 PID: 2688 Comm: cat Tainted: G      D W         5.10.182-cip34 #1

 3646 10:22:22.196351  <4>[   90.080321] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 3647 10:22:22.196654  <4>[   90.087117] Backtrace: 

 3648 10:22:22.239017  <4>[   90.089857] [<c137cc4c>] (dump_backtrace) from [<c137d00c>] (show_stack+0x20/0x24)

 3649 10:22:22.239499  <4>[   90.097700]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fdf8

 3650 10:22:22.239805  <4>[   90.103638] [<c137cfec>] (show_stack) from [<c1384268>] (dump_stack+0xe0/0x100)

 3651 10:22:22.240084  <4>[   90.111228] [<c1384188>] (dump_stack) from [<c0356820>] (__warn+0x98/0x14c)

 3652 10:22:22.240353  <4>[   90.118463]  r9:00000009 r8:c0873b54 r7:00000013 r6:00000009 r5:c0873b54 r4:c1a2419c

 3653 10:22:22.240615  <4>[   90.126483] [<c0356788>] (__warn) from [<c137e148>] (warn_slowpath_fmt+0x8c/0xa8)

 3654 10:22:22.240874  <4>[   90.134237]  r7:00000013 r6:c1a2419c r5:c1a24174 r4:c6348000

 3655 10:22:22.283083  <4>[   90.140172] [<c137e0c0>] (warn_slowpath_fmt) from [<c0873b54>] (refcount_warn_saturate+0xa0/0x174)

 3656 10:22:22.283537  <4>[   90.149402]  r9:c1ad01e4 r8:c15ebcc8 r7:c6349f60 r6:0000001f r5:c2a69000 r4:7fffffff

 3657 10:22:22.283857  <4>[   90.157426] [<c0873ab4>] (refcount_warn_saturate) from [<c138ad60>] (__refcount_add_not_zero.constprop.0+0x64/0x78)

 3658 10:22:22.284136  <4>[   90.168140] [<c138acfc>] (__refcount_add_not_zero.constprop.0) from [<c138af90>] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x50/0x88)

 3659 10:22:22.284407  <4>[   90.180058]  r5:c2a69000 r4:c6348000

 3660 10:22:22.327244  <4>[   90.183912] [<c138af40>] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW) from [<c0c547ac>] (lkdtm_do_action+0x2c/0x4c)

 3661 10:22:22.327724  <4>[   90.194091]  r4:0000002e

 3662 10:22:22.328034  <4>[   90.196900] [<c0c54780>] (lkdtm_do_action) from [<c0c54cac>] (direct_entry+0x120/0x18c)

 3663 10:22:22.328312  <4>[   90.205182] [<c0c54b8c>] (direct_entry) from [<c07e05cc>] (full_proxy_write+0x64/0x94)

 3664 10:22:22.328580  <4>[   90.213371]  r9:c6349f60 r8:c5360b40 r7:0000001f r6:b6ead000 r5:c5a10500 r4:c0c54b8c

 3665 10:22:22.371242  <4>[   90.221394] [<c07e0568>] (full_proxy_write) from [<c059ac18>] (vfs_write+0x10c/0x53c)

 3666 10:22:22.371756  <4>[   90.229497]  r9:c07e0568 r8:c6349f60 r7:c2815800 r6:b6ead000 r5:c5a10500 r4:00000000

 3667 10:22:22.372098  <4>[   90.237513] [<c059ab0c>] (vfs_write) from [<c059b1c4>] (ksys_write+0x74/0xec)

 3668 10:22:22.372400  <4>[   90.244920]  r10:00000004 r9:00000000 r8:00000000 r7:b6ead000 r6:c6348000 r5:c5a10500

 3669 10:22:22.372691  <4>[   90.253016]  r4:c5a10500

 3670 10:22:22.372976  <4>[   90.255824] [<c059b150>] (ksys_write) from [<c059b254>] (sys_write+0x18/0x1c)

 3671 10:22:22.415236  <4>[   90.263233]  r9:c6348000 r8:c03002e4 r7:00000004 r6:b6ff4e00 r5:0000001f r4:0000001f

 3672 10:22:22.415750  <4>[   90.271252] [<c059b23c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 3673 10:22:22.416084  <4>[   90.279089] Exception stack(0xc6349fa8 to 0xc6349ff0)

 3674 10:22:22.416388  <4>[   90.284414] 9fa0:                   0000001f 0000001f 00000001 b6ead000 0000001f 00000000

 3675 10:22:22.416680  <4>[   90.292862] 9fc0: 0000001f 0000001f b6ff4e00 00000004 00000001 00000000 00020000 bea03ac4

 3676 10:22:22.416968  <4>[   90.301309] 9fe0: 00000004 bea037f8 b6f5ed8f b6ee57e6

 3677 10:22:22.417248  <4>[   90.306714] irq event stamp: 0

 3678 10:22:22.460357  <4>[   90.310080] hardirqs last  enabled at (0): [<00000000>] 0x0

 3679 10:22:22.460834  <4>[   90.315937] hardirqs last disabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 3680 10:22:22.461134  <4>[   90.323868] softirqs last  enabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 3681 10:22:22.461410  <4>[   90.331796] softirqs last disabled at (0): [<00000000>] 0x0

 3682 10:22:22.461675  <4>[   90.337677] ---[ end trace 184820ef97b03c32 ]---

 3683 10:22:22.461934  <6>[   90.342573] lkdtm: Overflow detected: saturated

 3684 10:22:22.634570  # [   90.010354] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW

 3685 10:22:22.635073  # [   90.017476] lkdtm: attempting bad refcount_add_not_zero() overflow

 3686 10:22:22.635380  # [   90.023936] ------------[ cut here ]------------

 3687 10:22:22.635658  # [   90.028885] WARNING: CPU: 0 PID: 2688 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174

 3688 10:22:22.635928  # [   90.037655] refcount_t: saturated; leaking memory.

 3689 10:22:22.677589  # [   90.042721] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 3690 10:22:22.678118  # [   90.072305] CPU: 0 PID: 2688 Comm: cat Tainted: G      D W         5.10.182-cip34 #1

 3691 10:22:22.678450  # [   90.080321] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 3692 10:22:22.678785  # [   90.087117] Backtrace: 

 3693 10:22:22.679077  # [   90.089857] [<c137cc4c>] (dump_backtrace) from [<c137d00c>] (show_stack+0x20/0x24)

 3694 10:22:22.720536  # [   90.097700]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fdf8

 3695 10:22:22.721065  # [   90.103638] [<c137cfec>] (show_stack) from [<c1384268>] (dump_stack+0xe0/0x100)

 3696 10:22:22.721404  # [   90.111228] [<c1384188>] (dump_stack) from [<c0356820>] (__warn+0x98/0x14c)

 3697 10:22:22.721708  # [   90.118463]  r9:00000009 r8:c0873b54 r7:00000013 r6:00000009 r5:c0873b54 r4:c1a2419c

 3698 10:22:22.722002  # [   90.126483] [<c0356788>] (__warn) from [<c137e148>] (warn_slowpath_fmt+0x8c/0xa8)

 3699 10:22:22.722288  # [   90.134237]  r7:00000013 r6:c1a2419c r5:c1a24174 r4:c6348000

 3700 10:22:22.763460  # [   90.140172] [<c137e0c0>] (warn_slowpath_fmt) from [<c0873b54>] (refcount_warn_saturate+0xa0/0x174)

 3701 10:22:22.763939  # [   90.149402]  r9:c1ad01e4 r8:c15ebcc8 r7:c6349f60 r6:0000001f r5:c2a69000 r4:7fffffff

 3702 10:22:22.764242  # [   90.157426] [<c0873ab4>] (refcount_warn_saturate) from [<c138ad60>] (__refcount_add_not_zero.constprop.0+0x64/0x78)

 3703 10:22:22.764524  # [   90.168140] [<c138acfc>] (__refcount_add_not_zero.constprop.0) from [<c138af90>] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x50/0x88)

 3704 10:22:22.764794  # [   90.180058]  r5:c2a69000 r4:c6348000

 3705 10:22:22.811261  # [   90.183912] [<c138af40>] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW) from [<c0c547ac>] (lkdtm_do_action+0x2c/0x4c)

 3706 10:22:22.811716  # [   90.194091]  r4:0000002e

 3707 10:22:22.812054  # [   90.196900] [<c0c54780>] (lkdtm_do_action) from [<c0c54cac>] (direct_entry+0x120/0x18c)

 3708 10:22:22.812336  # [   90.205182] [<c0c54b8c>] (direct_entry) from [<c07e05cc>] (full_proxy_write+0x64/0x94)

 3709 10:22:22.812604  # [   90.213371]  r9:c6349f60 r8:c5360b40 r7:0000001f r6:b6ead000 r5:c5a10500 r4:c0c54b8c

 3710 10:22:22.812867  # [   90.221394] [<c07e0568>] (full_proxy_write) from [<c059ac18>] (vfs_write+0x10c/0x53c)

 3711 10:22:22.855109  # [   90.229497]  r9:c07e0568 r8:c6349f60 r7:c2815800 r6:b6ead000 r5:c5a10500 r4:00000000

 3712 10:22:22.855593  # [   90.237513] [<c059ab0c>] (vfs_write) from [<c059b1c4>] (ksys_write+0x74/0xec)

 3713 10:22:22.855907  # [   90.244920]  r10:00000004 r9:00000000 r8:00000000 r7:b6ead000 r6:c6348000 r5:c5a10500

 3714 10:22:22.856189  # [   90.253016]  r4:c5a10500

 3715 10:22:22.856455  # [   90.255824] [<c059b150>] (ksys_write) from [<c059b254>] (sys_write+0x18/0x1c)

 3716 10:22:22.856720  # [   90.263233]  r9:c6348000 r8:c03002e4 r7:00000004 r6:b6ff4e00 r5:0000001f r4:0000001f

 3717 10:22:22.899274  # [   90.271252] [<c059b23c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 3718 10:22:22.899751  # [   90.279089] Exception stack(0xc6349fa8 to 0xc6349ff0)

 3719 10:22:22.900062  # [   90.284414] 9fa0:                   0000001f 0000001f 00000001 b6ead000 0000001f 00000000

 3720 10:22:22.900343  # [   90.292862] 9fc0: 0000001f 0000001f b6ff4e00 00000004 00000001 00000000 00020000 bea03ac4

 3721 10:22:22.900608  # [   90.301309] 9fe0: 00000004 bea037f8 b6f5ed8f b6ee57e6

 3722 10:22:22.900868  # [   90.306714] irq event stamp: 0

 3723 10:22:22.901124  # [   90.310080] hardirqs last  enabled at (0): [<00000000>] 0x0

 3724 10:22:22.943336  # [   90.315937] hardirqs last disabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 3725 10:22:22.943816  # [   90.323868] softirqs last  enabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 3726 10:22:22.944127  # [   90.331796] softirqs last disabled at (0): [<00000000>] 0x0

 3727 10:22:22.944402  # [   90.337677] ---[ end trace 184820ef97b03c32 ]---

 3728 10:22:22.944665  # [   90.342573] lkdtm: Overflow detected: saturated

 3729 10:22:22.944923  # REFCOUNT_ADD_NOT_ZERO_OVERFLOW: missing 'call trace:': [FAIL]

 3730 10:22:22.945179  not ok 45 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh # exit=1

 3731 10:22:22.987080  # selftests: lkdtm: REFCOUNT_DEC_ZERO.sh

 3732 10:22:23.043533  <6>[   90.896385] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO

 3733 10:22:23.044016  <6>[   90.902491] lkdtm: attempting good refcount_dec()

 3734 10:22:23.044320  <6>[   90.907586] lkdtm: attempting bad refcount_dec() to zero

 3735 10:22:23.044598  <4>[   90.913197] ------------[ cut here ]------------

 3736 10:22:23.044867  <4>[   90.918230] WARNING: CPU: 2 PID: 2722 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174

 3737 10:22:23.045131  <4>[   90.926956] refcount_t: decrement hit 0; leaking memory.

 3738 10:22:23.087018  <4>[   90.932579] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 3739 10:22:23.087512  <4>[   90.962084] CPU: 2 PID: 2722 Comm: cat Tainted: G      D W         5.10.182-cip34 #1

 3740 10:22:23.087820  <4>[   90.970101] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 3741 10:22:23.088104  <4>[   90.976896] Backtrace: 

 3742 10:22:23.088373  <4>[   90.979637] [<c137cc4c>] (dump_backtrace) from [<c137d00c>] (show_stack+0x20/0x24)

 3743 10:22:23.131120  <4>[   90.987480]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fdf8

 3744 10:22:23.131599  <4>[   90.993417] [<c137cfec>] (show_stack) from [<c1384268>] (dump_stack+0xe0/0x100)

 3745 10:22:23.131916  <4>[   91.001008] [<c1384188>] (dump_stack) from [<c0356820>] (__warn+0x98/0x14c)

 3746 10:22:23.132192  <4>[   91.008244]  r9:00000009 r8:c0873b20 r7:0000001f r6:00000009 r5:c0873b20 r4:c1a2419c

 3747 10:22:23.132457  <4>[   91.016263] [<c0356788>] (__warn) from [<c137e148>] (warn_slowpath_fmt+0x8c/0xa8)

 3748 10:22:23.132717  <4>[   91.024017]  r7:0000001f r6:c1a2419c r5:c1a24200 r4:c4772000

 3749 10:22:23.175249  <4>[   91.029950] [<c137e0c0>] (warn_slowpath_fmt) from [<c0873b20>] (refcount_warn_saturate+0x6c/0x174)

 3750 10:22:23.175763  <4>[   91.039182]  r9:c1ad0204 r8:c15ebcc8 r7:c4773f60 r6:00000012 r5:c5c1b000 r4:c4772000

 3751 10:22:23.176102  <4>[   91.047208] [<c0873ab4>] (refcount_warn_saturate) from [<c138acf8>] (__refcount_dec.constprop.0+0x38/0x3c)

 3752 10:22:23.176408  <4>[   91.057140] [<c138acc0>] (__refcount_dec.constprop.0) from [<c138b024>] (lkdtm_REFCOUNT_DEC_ZERO+0x5c/0xd8)

 3753 10:22:23.219238  <4>[   91.067158] [<c138afc8>] (lkdtm_REFCOUNT_DEC_ZERO) from [<c0c547ac>] (lkdtm_do_action+0x2c/0x4c)

 3754 10:22:23.219754  <4>[   91.076209]  r4:0000002f

 3755 10:22:23.220089  <4>[   91.079016] [<c0c54780>] (lkdtm_do_action) from [<c0c54cac>] (direct_entry+0x120/0x18c)

 3756 10:22:23.220395  <4>[   91.087299] [<c0c54b8c>] (direct_entry) from [<c07e05cc>] (full_proxy_write+0x64/0x94)

 3757 10:22:23.220685  <4>[   91.095488]  r9:c4773f60 r8:c5360b40 r7:00000012 r6:b6e83000 r5:c44b3b80 r4:c0c54b8c

 3758 10:22:23.220970  <4>[   91.103511] [<c07e0568>] (full_proxy_write) from [<c059ac18>] (vfs_write+0x10c/0x53c)

 3759 10:22:23.263237  <4>[   91.111612]  r9:c07e0568 r8:c4773f60 r7:c2815800 r6:b6e83000 r5:c44b3b80 r4:00000000

 3760 10:22:23.263751  <4>[   91.119628] [<c059ab0c>] (vfs_write) from [<c059b1c4>] (ksys_write+0x74/0xec)

 3761 10:22:23.264090  <4>[   91.127036]  r10:00000004 r9:00000000 r8:00000000 r7:b6e83000 r6:c4772000 r5:c44b3b80

 3762 10:22:23.264393  <4>[   91.135132]  r4:c44b3b80

 3763 10:22:23.264683  <4>[   91.137937] [<c059b150>] (ksys_write) from [<c059b254>] (sys_write+0x18/0x1c)

 3764 10:22:23.264972  <4>[   91.145344]  r9:c4772000 r8:c03002e4 r7:00000004 r6:b6fcae00 r5:00000012 r4:00000012

 3765 10:22:23.265251  <4>[   91.153363] [<c059b23c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 3766 10:22:23.307259  <4>[   91.161202] Exception stack(0xc4773fa8 to 0xc4773ff0)

 3767 10:22:23.307740  <4>[   91.166527] 3fa0:                   00000012 00000012 00000001 b6e83000 00000012 00000000

 3768 10:22:23.308078  <4>[   91.174978] 3fc0: 00000012 00000012 b6fcae00 00000004 00000001 00000000 00020000 bef9aac4

 3769 10:22:23.308381  <4>[   91.183426] 3fe0: 00000004 bef9a7f8 b6f34d8f b6ebb7e6

 3770 10:22:23.308673  <4>[   91.188866] irq event stamp: 0

 3771 10:22:23.308956  <4>[   91.192210] hardirqs last  enabled at (0): [<00000000>] 0x0

 3772 10:22:23.351280  <4>[   91.198105] hardirqs last disabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 3773 10:22:23.351766  <4>[   91.205868] softirqs last  enabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 3774 10:22:23.352078  <4>[   91.213664] softirqs last disabled at (0): [<00000000>] 0x0

 3775 10:22:23.352354  <4>[   91.219549] ---[ end trace 184820ef97b03c33 ]---

 3776 10:22:23.352621  <6>[   91.224443] lkdtm: Zero detected: saturated

 3777 10:22:23.481304  # [   90.896385] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO

 3778 10:22:23.481783  # [   90.902491] lkdtm: attempting good refcount_dec()

 3779 10:22:23.482087  # [   90.907586] lkdtm: attempting bad refcount_dec() to zero

 3780 10:22:23.482362  # [   90.913197] ------------[ cut here ]------------

 3781 10:22:23.482646  # [   90.918230] WARNING: CPU: 2 PID: 2722 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174

 3782 10:22:23.482915  # [   90.926956] refcount_t: decrement hit 0; leaking memory.

 3783 10:22:23.524368  # [   90.932579] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 3784 10:22:23.524861  # [   90.962084] CPU: 2 PID: 2722 Comm: cat Tainted: G      D W         5.10.182-cip34 #1

 3785 10:22:23.525208  # [   90.970101] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 3786 10:22:23.525512  # [   90.976896] Backtrace: 

 3787 10:22:23.567226  # [   90.979637] [<c137cc4c>] (dump_backtrace) from [<c137d00c>] (show_stack+0x20/0x24)

 3788 10:22:23.567720  # [   90.987480]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fdf8

 3789 10:22:23.568057  # [   90.993417] [<c137cfec>] (show_stack) from [<c1384268>] (dump_stack+0xe0/0x100)

 3790 10:22:23.568360  # [   91.001008] [<c1384188>] (dump_stack) from [<c0356820>] (__warn+0x98/0x14c)

 3791 10:22:23.568648  # [   91.008244]  r9:00000009 r8:c0873b20 r7:0000001f r6:00000009 r5:c0873b20 r4:c1a2419c

 3792 10:22:23.568934  # [   91.016263] [<c0356788>] (__warn) from [<c137e148>] (warn_slowpath_fmt+0x8c/0xa8)

 3793 10:22:23.611047  # [   91.024017]  r7:0000001f r6:c1a2419c r5:c1a24200 r4:c4772000

 3794 10:22:23.611523  # [   91.029950] [<c137e0c0>] (warn_slowpath_fmt) from [<c0873b20>] (refcount_warn_saturate+0x6c/0x174)

 3795 10:22:23.611829  # [   91.039182]  r9:c1ad0204 r8:c15ebcc8 r7:c4773f60 r6:00000012 r5:c5c1b000 r4:c4772000

 3796 10:22:23.612111  # [   91.047208] [<c0873ab4>] (refcount_warn_saturate) from [<c138acf8>] (__refcount_dec.constprop.0+0x38/0x3c)

 3797 10:22:23.612382  # [   91.057140] [<c138acc0>] (__refcount_dec.constprop.0) from [<c138b024>] (lkdtm_REFCOUNT_DEC_ZERO+0x5c/0xd8)

 3798 10:22:23.655138  # [   91.067158] [<c138afc8>] (lkdtm_REFCOUNT_DEC_ZERO) from [<c0c547ac>] (lkdtm_do_action+0x2c/0x4c)

 3799 10:22:23.655617  # [   91.076209]  r4:0000002f

 3800 10:22:23.655926  # [   91.079016] [<c0c54780>] (lkdtm_do_action) from [<c0c54cac>] (direct_entry+0x120/0x18c)

 3801 10:22:23.656205  # [   91.087299] [<c0c54b8c>] (direct_entry) from [<c07e05cc>] (full_proxy_write+0x64/0x94)

 3802 10:22:23.656471  # [   91.095488]  r9:c4773f60 r8:c5360b40 r7:00000012 r6:b6e83000 r5:c44b3b80 r4:c0c54b8c

 3803 10:22:23.656732  # [   91.103511] [<c07e0568>] (full_proxy_write) from [<c059ac18>] (vfs_write+0x10c/0x53c)

 3804 10:22:23.699090  # [   91.111612]  r9:c07e0568 r8:c4773f60 r7:c2815800 r6:b6e83000 r5:c44b3b80 r4:00000000

 3805 10:22:23.699575  # [   91.119628] [<c059ab0c>] (vfs_write) from [<c059b1c4>] (ksys_write+0x74/0xec)

 3806 10:22:23.699893  # [   91.127036]  r10:00000004 r9:00000000 r8:00000000 r7:b6e83000 r6:c4772000 r5:c44b3b80

 3807 10:22:23.700173  # [   91.135132]  r4:c44b3b80

 3808 10:22:23.700438  # [   91.137937] [<c059b150>] (ksys_write) from [<c059b254>] (sys_write+0x18/0x1c)

 3809 10:22:23.700702  # [   91.145344]  r9:c4772000 r8:c03002e4 r7:00000004 r6:b6fcae00 r5:00000012 r4:00000012

 3810 10:22:23.743248  # [   91.153363] [<c059b23c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 3811 10:22:23.743728  # [   91.161202] Exception stack(0xc4773fa8 to 0xc4773ff0)

 3812 10:22:23.744036  # [   91.166527] 3fa0:                   00000012 00000012 00000001 b6e83000 00000012 00000000

 3813 10:22:23.744316  # [   91.174978] 3fc0: 00000012 00000012 b6fcae00 00000004 00000001 00000000 00020000 bef9aac4

 3814 10:22:23.744583  # [   91.183426] 3fe0: 00000004 bef9a7f8 b6f34d8f b6ebb7e6

 3815 10:22:23.744842  # [   91.188866] irq event stamp: 0

 3816 10:22:23.745100  # [   91.192210] hardirqs last  enabled at (0): [<00000000>] 0x0

 3817 10:22:23.792111  # [   91.198105] hardirqs last disabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 3818 10:22:23.792306  # [   91.205868] softirqs last  enabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 3819 10:22:23.792370  # [   91.213664] softirqs last disabled at (0): [<00000000>] 0x0

 3820 10:22:23.792457  # [   91.219549] ---[ end trace 184820ef97b03c33 ]---

 3821 10:22:23.792526  # [   91.224443] lkdtm: Zero detected: saturated

 3822 10:22:23.792597  # REFCOUNT_DEC_ZERO: missing 'call trace:': [FAIL]

 3823 10:22:23.792678  not ok 46 selftests: lkdtm: REFCOUNT_DEC_ZERO.sh # exit=1

 3824 10:22:23.792761  # selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh

 3825 10:22:23.907479  <6>[   91.764769] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE

 3826 10:22:23.907962  <6>[   91.771183] lkdtm: attempting bad refcount_dec() below zero

 3827 10:22:23.908266  <4>[   91.777056] ------------[ cut here ]------------

 3828 10:22:23.908547  <4>[   91.782123] WARNING: CPU: 3 PID: 2759 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174

 3829 10:22:23.908821  <4>[   91.790964] refcount_t: decrement hit 0; leaking memory.

 3830 10:22:23.951034  <4>[   91.796574] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 3831 10:22:23.951528  <4>[   91.826512] CPU: 3 PID: 2759 Comm: cat Tainted: G      D W         5.10.182-cip34 #1

 3832 10:22:23.951835  <4>[   91.834544] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 3833 10:22:23.952116  <4>[   91.841354] Backtrace: 

 3834 10:22:23.952382  <4>[   91.844123] [<c137cc4c>] (dump_backtrace) from [<c137d00c>] (show_stack+0x20/0x24)

 3835 10:22:23.995108  <4>[   91.851985]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fdf8

 3836 10:22:23.995623  <4>[   91.857945] [<c137cfec>] (show_stack) from [<c1384268>] (dump_stack+0xe0/0x100)

 3837 10:22:23.995967  <4>[   91.865557] [<c1384188>] (dump_stack) from [<c0356820>] (__warn+0x98/0x14c)

 3838 10:22:23.996273  <4>[   91.872814]  r9:00000009 r8:c0873b20 r7:0000001f r6:00000009 r5:c0873b20 r4:c1a2419c

 3839 10:22:23.996569  <4>[   91.880857] [<c0356788>] (__warn) from [<c137e148>] (warn_slowpath_fmt+0x8c/0xa8)

 3840 10:22:23.996857  <4>[   91.888630]  r7:0000001f r6:c1a2419c r5:c1a24200 r4:c5e0e000

 3841 10:22:24.039119  <4>[   91.894586] [<c137e0c0>] (warn_slowpath_fmt) from [<c0873b20>] (refcount_warn_saturate+0x6c/0x174)

 3842 10:22:24.039635  <4>[   91.903836]  r9:c1ad0218 r8:c15ebcc8 r7:c5e0ff60 r6:00000016 r5:00000000 r4:c5e0e000

 3843 10:22:24.039974  <4>[   91.911882] [<c0873ab4>] (refcount_warn_saturate) from [<c138acf8>] (__refcount_dec.constprop.0+0x38/0x3c)

 3844 10:22:24.040282  <4>[   91.921837] [<c138acc0>] (__refcount_dec.constprop.0) from [<c138b0e8>] (lkdtm_REFCOUNT_DEC_NEGATIVE+0x48/0x70)

 3845 10:22:24.083245  <4>[   91.932224] [<c138b0a0>] (lkdtm_REFCOUNT_DEC_NEGATIVE) from [<c0c547ac>] (lkdtm_do_action+0x2c/0x4c)

 3846 10:22:24.083760  <4>[   91.941641]  r5:c63b6000 r4:00000030

 3847 10:22:24.084098  <4>[   91.945509] [<c0c54780>] (lkdtm_do_action) from [<c0c54cac>] (direct_entry+0x120/0x18c)

 3848 10:22:24.084405  <4>[   91.953815] [<c0c54b8c>] (direct_entry) from [<c07e05cc>] (full_proxy_write+0x64/0x94)

 3849 10:22:24.084699  <4>[   91.962023]  r9:c5e0ff60 r8:c5360b40 r7:00000016 r6:b6e9e000 r5:c4766a00 r4:c0c54b8c

 3850 10:22:24.084990  <4>[   91.970069] [<c07e0568>] (full_proxy_write) from [<c059ac18>] (vfs_write+0x10c/0x53c)

 3851 10:22:24.127246  <4>[   91.978188]  r9:c07e0568 r8:c5e0ff60 r7:c2815800 r6:b6e9e000 r5:c4766a00 r4:00000000

 3852 10:22:24.127761  <4>[   91.986225] [<c059ab0c>] (vfs_write) from [<c059b1c4>] (ksys_write+0x74/0xec)

 3853 10:22:24.128102  <4>[   91.993650]  r10:00000004 r9:00000000 r8:00000000 r7:b6e9e000 r6:c5e0e000 r5:c4766a00

 3854 10:22:24.128409  <4>[   92.001760]  r4:c4766a00

 3855 10:22:24.128701  <4>[   92.004587] [<c059b150>] (ksys_write) from [<c059b254>] (sys_write+0x18/0x1c)

 3856 10:22:24.128986  <4>[   92.012013]  r9:c5e0e000 r8:c03002e4 r7:00000004 r6:b6fe5e00 r5:00000016 r4:00000016

 3857 10:22:24.171247  <4>[   92.020051] [<c059b23c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 3858 10:22:24.171757  <4>[   92.027902] Exception stack(0xc5e0ffa8 to 0xc5e0fff0)

 3859 10:22:24.172098  <4>[   92.033244] ffa0:                   00000016 00000016 00000001 b6e9e000 00000016 00000000

 3860 10:22:24.172406  <4>[   92.041714] ffc0: 00000016 00000016 b6fe5e00 00000004 00000001 00000000 00020000 bebf6ac4

 3861 10:22:24.172698  <4>[   92.050175] ffe0: 00000004 bebf67f8 b6f4fd8f b6ed67e6

 3862 10:22:24.172983  <4>[   92.055701] irq event stamp: 0

 3863 10:22:24.173264  <4>[   92.059131] hardirqs last  enabled at (0): [<00000000>] 0x0

 3864 10:22:24.215033  <4>[   92.065016] hardirqs last disabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 3865 10:22:24.215515  <4>[   92.072865] softirqs last  enabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 3866 10:22:24.215819  <4>[   92.080715] softirqs last disabled at (0): [<00000000>] 0x0

 3867 10:22:24.216097  <4>[   92.086589] ---[ end trace 184820ef97b03c34 ]---

 3868 10:22:24.216365  <6>[   92.091614] lkdtm: Negative detected: saturated

 3869 10:22:24.391495  # [   91.764769] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE

 3870 10:22:24.391977  # [   91.771183] lkdtm: attempting bad refcount_dec() below zero

 3871 10:22:24.392277  # [   91.777056] ------------[ cut here ]------------

 3872 10:22:24.392557  # [   91.782123] WARNING: CPU: 3 PID: 2759 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174

 3873 10:22:24.392825  # [   91.790964] refcount_t: decrement hit 0; leaking memory.

 3874 10:22:24.435031  # [   91.796574] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 3875 10:22:24.435559  # [   91.826512] CPU: 3 PID: 2759 Comm: cat Tainted: G      D W         5.10.182-cip34 #1

 3876 10:22:24.435897  # [   91.834544] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 3877 10:22:24.436200  # [   91.841354] Backtrace: 

 3878 10:22:24.436489  # [   91.844123] [<c137cc4c>] (dump_backtrace) from [<c137d00c>] (show_stack+0x20/0x24)

 3879 10:22:24.479255  # [   91.851985]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fdf8

 3880 10:22:24.479783  # [   91.857945] [<c137cfec>] (show_stack) from [<c1384268>] (dump_stack+0xe0/0x100)

 3881 10:22:24.480131  # [   91.865557] [<c1384188>] (dump_stack) from [<c0356820>] (__warn+0x98/0x14c)

 3882 10:22:24.480441  # [   91.872814]  r9:00000009 r8:c0873b20 r7:0000001f r6:00000009 r5:c0873b20 r4:c1a2419c

 3883 10:22:24.480736  # [   91.880857] [<c0356788>] (__warn) from [<c137e148>] (warn_slowpath_fmt+0x8c/0xa8)

 3884 10:22:24.481022  # [   91.888630]  r7:0000001f r6:c1a2419c r5:c1a24200 r4:c5e0e000

 3885 10:22:24.523081  # [   91.894586] [<c137e0c0>] (warn_slowpath_fmt) from [<c0873b20>] (refcount_warn_saturate+0x6c/0x174)

 3886 10:22:24.523563  # [   91.903836]  r9:c1ad0218 r8:c15ebcc8 r7:c5e0ff60 r6:00000016 r5:00000000 r4:c5e0e000

 3887 10:22:24.523864  # [   91.911882] [<c0873ab4>] (refcount_warn_saturate) from [<c138acf8>] (__refcount_dec.constprop.0+0x38/0x3c)

 3888 10:22:24.524147  # [   91.921837] [<c138acc0>] (__refcount_dec.constprop.0) from [<c138b0e8>] (lkdtm_REFCOUNT_DEC_NEGATIVE+0x48/0x70)

 3889 10:22:24.567078  # [   91.932224] [<c138b0a0>] (lkdtm_REFCOUNT_DEC_NEGATIVE) from [<c0c547ac>] (lkdtm_do_action+0x2c/0x4c)

 3890 10:22:24.567555  # [   91.941641]  r5:c63b6000 r4:00000030

 3891 10:22:24.567856  # [   91.945509] [<c0c54780>] (lkdtm_do_action) from [<c0c54cac>] (direct_entry+0x120/0x18c)

 3892 10:22:24.568135  # [   91.953815] [<c0c54b8c>] (direct_entry) from [<c07e05cc>] (full_proxy_write+0x64/0x94)

 3893 10:22:24.568405  # [   91.962023]  r9:c5e0ff60 r8:c5360b40 r7:00000016 r6:b6e9e000 r5:c4766a00 r4:c0c54b8c

 3894 10:22:24.568668  # [   91.970069] [<c07e0568>] (full_proxy_write) from [<c059ac18>] (vfs_write+0x10c/0x53c)

 3895 10:22:24.611087  # [   91.978188]  r9:c07e0568 r8:c5e0ff60 r7:c2815800 r6:b6e9e000 r5:c4766a00 r4:00000000

 3896 10:22:24.611569  # [   91.986225] [<c059ab0c>] (vfs_write) from [<c059b1c4>] (ksys_write+0x74/0xec)

 3897 10:22:24.611884  # [   91.993650]  r10:00000004 r9:00000000 r8:00000000 r7:b6e9e000 r6:c5e0e000 r5:c4766a00

 3898 10:22:24.612164  # [   92.001760]  r4:c4766a00

 3899 10:22:24.612431  # [   92.004587] [<c059b150>] (ksys_write) from [<c059b254>] (sys_write+0x18/0x1c)

 3900 10:22:24.612694  # [   92.012013]  r9:c5e0e000 r8:c03002e4 r7:00000004 r6:b6fe5e00 r5:00000016 r4:00000016

 3901 10:22:24.612952  # [   92.020051] [<c059b23c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 3902 10:22:24.655245  # [   92.027902] Exception stack(0xc5e0ffa8 to 0xc5e0fff0)

 3903 10:22:24.655727  # [   92.033244] ffa0:                   00000016 00000016 00000001 b6e9e000 00000016 00000000

 3904 10:22:24.656041  # [   92.041714] ffc0: 00000016 00000016 b6fe5e00 00000004 00000001 00000000 00020000 bebf6ac4

 3905 10:22:24.656323  # [   92.050175] ffe0: 00000004 bebf67f8 b6f4fd8f b6ed67e6

 3906 10:22:24.656588  # [   92.055701] irq event stamp: 0

 3907 10:22:24.656846  # [   92.059131] hardirqs last  enabled at (0): [<00000000>] 0x0

 3908 10:22:24.657100  # [   92.065016] hardirqs last disabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 3909 10:22:24.699359  # [   92.072865] softirqs last  enabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 3910 10:22:24.699841  # [   92.080715] softirqs last disabled at (0): [<00000000>] 0x0

 3911 10:22:24.700148  # [   92.086589] ---[ end trace 184820ef97b03c34 ]---

 3912 10:22:24.700427  # [   92.091614] lkdtm: Negative detected: saturated

 3913 10:22:24.700693  # REFCOUNT_DEC_NEGATIVE: saw 'Negative detected: saturated': ok

 3914 10:22:24.700957  ok 47 selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh

 3915 10:22:24.701214  # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh

 3916 10:22:24.796363  <6>[   92.654351] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE

 3917 10:22:24.796845  <6>[   92.661522] lkdtm: attempting bad refcount_dec_and_test() below zero

 3918 10:22:24.797183  <4>[   92.668209] ------------[ cut here ]------------

 3919 10:22:24.797486  <4>[   92.673122] WARNING: CPU: 0 PID: 2794 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174

 3920 10:22:24.797779  <4>[   92.681978] refcount_t: underflow; use-after-free.

 3921 10:22:24.839519  <4>[   92.687044] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 3922 10:22:24.840047  <4>[   92.716695] CPU: 0 PID: 2794 Comm: cat Tainted: G      D W         5.10.182-cip34 #1

 3923 10:22:24.840382  <4>[   92.724711] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 3924 10:22:24.840690  <4>[   92.731506] Backtrace: 

 3925 10:22:24.883177  <4>[   92.734246] [<c137cc4c>] (dump_backtrace) from [<c137d00c>] (show_stack+0x20/0x24)

 3926 10:22:24.883704  <4>[   92.742089]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fdf8

 3927 10:22:24.884031  <4>[   92.748025] [<c137cfec>] (show_stack) from [<c1384268>] (dump_stack+0xe0/0x100)

 3928 10:22:24.884335  <4>[   92.755614] [<c1384188>] (dump_stack) from [<c0356820>] (__warn+0x98/0x14c)

 3929 10:22:24.884630  <4>[   92.762849]  r9:00000009 r8:c0873bf0 r7:0000001c r6:00000009 r5:c0873bf0 r4:c1a2419c

 3930 10:22:24.884918  <4>[   92.770869] [<c0356788>] (__warn) from [<c137e148>] (warn_slowpath_fmt+0x8c/0xa8)

 3931 10:22:24.885196  <4>[   92.778622]  r7:0000001c r6:c1a2419c r5:c1a241d8 r4:c612a000

 3932 10:22:24.927127  <4>[   92.784558] [<c137e0c0>] (warn_slowpath_fmt) from [<c0873bf0>] (refcount_warn_saturate+0x13c/0x174)

 3933 10:22:24.927609  <4>[   92.793877]  r9:c1ad0230 r8:c15ebcc8 r7:c612bf60 r6:0000001f r5:00000000 r4:c612a000

 3934 10:22:24.927924  <4>[   92.801898] [<c0873ab4>] (refcount_warn_saturate) from [<c0c558a8>] (__refcount_sub_and_test.constprop.0+0x64/0x6c)

 3935 10:22:24.928208  <4>[   92.812617] [<c0c55844>] (__refcount_sub_and_test.constprop.0) from [<c138b160>] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x50/0x8c)

 3936 10:22:24.971233  <4>[   92.824544] [<c138b110>] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE) from [<c0c547ac>] (lkdtm_do_action+0x2c/0x4c)

 3937 10:22:24.971746  <4>[   92.834727]  r5:c6451000 r4:00000031

 3938 10:22:24.972083  <4>[   92.838576] [<c0c54780>] (lkdtm_do_action) from [<c0c54cac>] (direct_entry+0x120/0x18c)

 3939 10:22:24.972389  <4>[   92.846858] [<c0c54b8c>] (direct_entry) from [<c07e05cc>] (full_proxy_write+0x64/0x94)

 3940 10:22:24.972683  <4>[   92.855047]  r9:c612bf60 r8:c5360b40 r7:0000001f r6:b6e1e000 r5:c5ad8280 r4:c0c54b8c

 3941 10:22:24.972970  <4>[   92.863070] [<c07e0568>] (full_proxy_write) from [<c059ac18>] (vfs_write+0x10c/0x53c)

 3942 10:22:25.015242  <4>[   92.871171]  r9:c07e0568 r8:c612bf60 r7:c2815800 r6:b6e1e000 r5:c5ad8280 r4:00000000

 3943 10:22:25.015761  <4>[   92.879187] [<c059ab0c>] (vfs_write) from [<c059b1c4>] (ksys_write+0x74/0xec)

 3944 10:22:25.016104  <4>[   92.886594]  r10:00000004 r9:00000000 r8:00000000 r7:b6e1e000 r6:c612a000 r5:c5ad8280

 3945 10:22:25.016406  <4>[   92.894689]  r4:c5ad8280

 3946 10:22:25.016694  <4>[   92.897497] [<c059b150>] (ksys_write) from [<c059b254>] (sys_write+0x18/0x1c)

 3947 10:22:25.016980  <4>[   92.904904]  r9:c612a000 r8:c03002e4 r7:00000004 r6:b6f65e00 r5:0000001f r4:0000001f

 3948 10:22:25.059262  <4>[   92.912923] [<c059b23c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 3949 10:22:25.059745  <4>[   92.920763] Exception stack(0xc612bfa8 to 0xc612bff0)

 3950 10:22:25.060060  <4>[   92.926087] bfa0:                   0000001f 0000001f 00000001 b6e1e000 0000001f 00000000

 3951 10:22:25.060341  <4>[   92.934537] bfc0: 0000001f 0000001f b6f65e00 00000004 00000001 00000000 00020000 be96bac4

 3952 10:22:25.060609  <4>[   92.942985] bfe0: 00000004 be96b7f8 b6ecfd8f b6e567e6

 3953 10:22:25.060869  <4>[   92.948363] irq event stamp: 0

 3954 10:22:25.061124  <4>[   92.951705] hardirqs last  enabled at (0): [<00000000>] 0x0

 3955 10:22:25.103116  <4>[   92.957598] hardirqs last disabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 3956 10:22:25.103595  <4>[   92.965360] softirqs last  enabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 3957 10:22:25.103897  <4>[   92.973161] softirqs last disabled at (0): [<00000000>] 0x0

 3958 10:22:25.104173  <4>[   92.979046] ---[ end trace 184820ef97b03c35 ]---

 3959 10:22:25.104441  <6>[   92.983939] lkdtm: Negative detected: saturated

 3960 10:22:25.253530  # [   92.654351] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE

 3961 10:22:25.254012  # [   92.661522] lkdtm: attempting bad refcount_dec_and_test() below zero

 3962 10:22:25.254317  # [   92.668209] ------------[ cut here ]------------

 3963 10:22:25.254614  # [   92.673122] WARNING: CPU: 0 PID: 2794 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174

 3964 10:22:25.254890  # [   92.681978] refcount_t: underflow; use-after-free.

 3965 10:22:25.296638  # [   92.687044] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 3966 10:22:25.297177  # [   92.716695] CPU: 0 PID: 2794 Comm: cat Tainted: G      D W         5.10.182-cip34 #1

 3967 10:22:25.297512  # [   92.724711] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 3968 10:22:25.297814  # [   92.731506] Backtrace: 

 3969 10:22:25.298104  # [   92.734246] [<c137cc4c>] (dump_backtrace) from [<c137d00c>] (show_stack+0x20/0x24)

 3970 10:22:25.339452  # [   92.742089]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fdf8

 3971 10:22:25.339932  # [   92.748025] [<c137cfec>] (show_stack) from [<c1384268>] (dump_stack+0xe0/0x100)

 3972 10:22:25.340284  # [   92.755614] [<c1384188>] (dump_stack) from [<c0356820>] (__warn+0x98/0x14c)

 3973 10:22:25.340588  # [   92.762849]  r9:00000009 r8:c0873bf0 r7:0000001c r6:00000009 r5:c0873bf0 r4:c1a2419c

 3974 10:22:25.340882  # [   92.770869] [<c0356788>] (__warn) from [<c137e148>] (warn_slowpath_fmt+0x8c/0xa8)

 3975 10:22:25.341168  # [   92.778622]  r7:0000001c r6:c1a2419c r5:c1a241d8 r4:c612a000

 3976 10:22:25.383112  # [   92.784558] [<c137e0c0>] (warn_slowpath_fmt) from [<c0873bf0>] (refcount_warn_saturate+0x13c/0x174)

 3977 10:22:25.383600  # [   92.793877]  r9:c1ad0230 r8:c15ebcc8 r7:c612bf60 r6:0000001f r5:00000000 r4:c612a000

 3978 10:22:25.383922  # [   92.801898] [<c0873ab4>] (refcount_warn_saturate) from [<c0c558a8>] (__refcount_sub_and_test.constprop.0+0x64/0x6c)

 3979 10:22:25.384205  # [   92.812617] [<c0c55844>] (__refcount_sub_and_test.constprop.0) from [<c138b160>] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x50/0x8c)

 3980 10:22:25.384479  # [   92.824544] [<c138b110>] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE) from [<c0c547ac>] (lkdtm_do_action+0x2c/0x4c)

 3981 10:22:25.427066  # [   92.834727]  r5:c6451000 r4:00000031

 3982 10:22:25.427544  # [   92.838576] [<c0c54780>] (lkdtm_do_action) from [<c0c54cac>] (direct_entry+0x120/0x18c)

 3983 10:22:25.427856  # [   92.846858] [<c0c54b8c>] (direct_entry) from [<c07e05cc>] (full_proxy_write+0x64/0x94)

 3984 10:22:25.428137  # [   92.855047]  r9:c612bf60 r8:c5360b40 r7:0000001f r6:b6e1e000 r5:c5ad8280 r4:c0c54b8c

 3985 10:22:25.428404  # [   92.863070] [<c07e0568>] (full_proxy_write) from [<c059ac18>] (vfs_write+0x10c/0x53c)

 3986 10:22:25.471098  # [   92.871171]  r9:c07e0568 r8:c612bf60 r7:c2815800 r6:b6e1e000 r5:c5ad8280 r4:00000000

 3987 10:22:25.471592  # [   92.879187] [<c059ab0c>] (vfs_write) from [<c059b1c4>] (ksys_write+0x74/0xec)

 3988 10:22:25.471914  # [   92.886594]  r10:00000004 r9:00000000 r8:00000000 r7:b6e1e000 r6:c612a000 r5:c5ad8280

 3989 10:22:25.472193  # [   92.894689]  r4:c5ad8280

 3990 10:22:25.472460  # [   92.897497] [<c059b150>] (ksys_write) from [<c059b254>] (sys_write+0x18/0x1c)

 3991 10:22:25.472723  # [   92.904904]  r9:c612a000 r8:c03002e4 r7:00000004 r6:b6f65e00 r5:0000001f r4:0000001f

 3992 10:22:25.472982  # [   92.912923] [<c059b23c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 3993 10:22:25.515257  # [   92.920763] Exception stack(0xc612bfa8 to 0xc612bff0)

 3994 10:22:25.515739  # [   92.926087] bfa0:                   0000001f 0000001f 00000001 b6e1e000 0000001f 00000000

 3995 10:22:25.516051  # [   92.934537] bfc0: 0000001f 0000001f b6f65e00 00000004 00000001 00000000 00020000 be96bac4

 3996 10:22:25.516334  # [   92.942985] bfe0: 00000004 be96b7f8 b6ecfd8f b6e567e6

 3997 10:22:25.516599  # [   92.948363] irq event stamp: 0

 3998 10:22:25.516858  # [   92.951705] hardirqs last  enabled at (0): [<00000000>] 0x0

 3999 10:22:25.517115  # [   92.957598] hardirqs last disabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 4000 10:22:25.564364  # [   92.965360] softirqs last  enabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 4001 10:22:25.564714  # [   92.973161] softirqs last disabled at (0): [<00000000>] 0x0

 4002 10:22:25.564989  # [   92.979046] ---[ end trace 184820ef97b03c35 ]---

 4003 10:22:25.565246  # [   92.983939] lkdtm: Negative detected: saturated

 4004 10:22:25.565494  # REFCOUNT_DEC_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok

 4005 10:22:25.565734  ok 48 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh

 4006 10:22:25.565970  # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh

 4007 10:22:25.681843  <6>[   93.539733] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE

 4008 10:22:25.682325  <6>[   93.546808] lkdtm: attempting bad refcount_sub_and_test() below zero

 4009 10:22:25.682659  <4>[   93.553509] ------------[ cut here ]------------

 4010 10:22:25.682945  <4>[   93.558493] WARNING: CPU: 0 PID: 2829 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174

 4011 10:22:25.683214  <4>[   93.567358] refcount_t: underflow; use-after-free.

 4012 10:22:25.725057  <4>[   93.572424] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 4013 10:22:25.725558  <4>[   93.602028] CPU: 0 PID: 2829 Comm: cat Tainted: G      D W         5.10.182-cip34 #1

 4014 10:22:25.725870  <4>[   93.610043] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 4015 10:22:25.726150  <4>[   93.616840] Backtrace: 

 4016 10:22:25.768377  <4>[   93.619578] [<c137cc4c>] (dump_backtrace) from [<c137d00c>] (show_stack+0x20/0x24)

 4017 10:22:25.768858  <4>[   93.627422]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fdf8

 4018 10:22:25.769159  <4>[   93.633359] [<c137cfec>] (show_stack) from [<c1384268>] (dump_stack+0xe0/0x100)

 4019 10:22:25.769440  <4>[   93.640950] [<c1384188>] (dump_stack) from [<c0356820>] (__warn+0x98/0x14c)

 4020 10:22:25.769708  <4>[   93.648185]  r9:00000009 r8:c0873bf0 r7:0000001c r6:00000009 r5:c0873bf0 r4:c1a2419c

 4021 10:22:25.769968  <4>[   93.656203] [<c0356788>] (__warn) from [<c137e148>] (warn_slowpath_fmt+0x8c/0xa8)

 4022 10:22:25.770225  <4>[   93.663957]  r7:0000001c r6:c1a2419c r5:c1a241d8 r4:c612a000

 4023 10:22:25.811561  <4>[   93.669892] [<c137e0c0>] (warn_slowpath_fmt) from [<c0873bf0>] (refcount_warn_saturate+0x13c/0x174)

 4024 10:22:25.812044  <4>[   93.679210]  r9:c1ad0250 r8:c15ebcc8 r7:c612bf60 r6:0000001f r5:c6431000 r4:c612a000

 4025 10:22:25.812353  <4>[   93.687232] [<c0873ab4>] (refcount_warn_saturate) from [<c0c558a8>] (__refcount_sub_and_test.constprop.0+0x64/0x6c)

 4026 10:22:25.812634  <4>[   93.697951] [<c0c55844>] (__refcount_sub_and_test.constprop.0) from [<c138b1ec>] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x50/0x8c)

 4027 10:22:25.855052  <4>[   93.709880] [<c138b19c>] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE) from [<c0c547ac>] (lkdtm_do_action+0x2c/0x4c)

 4028 10:22:25.855566  <4>[   93.720061]  r4:00000032

 4029 10:22:25.855895  <4>[   93.722867] [<c0c54780>] (lkdtm_do_action) from [<c0c54cac>] (direct_entry+0x120/0x18c)

 4030 10:22:25.856202  <4>[   93.731150] [<c0c54b8c>] (direct_entry) from [<c07e05cc>] (full_proxy_write+0x64/0x94)

 4031 10:22:25.856493  <4>[   93.739338]  r9:c612bf60 r8:c5360b40 r7:0000001f r6:b6e61000 r5:c5a10000 r4:c0c54b8c

 4032 10:22:25.856779  <4>[   93.747361] [<c07e0568>] (full_proxy_write) from [<c059ac18>] (vfs_write+0x10c/0x53c)

 4033 10:22:25.899093  <4>[   93.755463]  r9:c07e0568 r8:c612bf60 r7:c2815800 r6:b6e61000 r5:c5a10000 r4:00000000

 4034 10:22:25.899578  <4>[   93.763479] [<c059ab0c>] (vfs_write) from [<c059b1c4>] (ksys_write+0x74/0xec)

 4035 10:22:25.899895  <4>[   93.770886]  r10:00000004 r9:00000000 r8:00000000 r7:b6e61000 r6:c612a000 r5:c5a10000

 4036 10:22:25.900178  <4>[   93.778982]  r4:c5a10000

 4037 10:22:25.900444  <4>[   93.781789] [<c059b150>] (ksys_write) from [<c059b254>] (sys_write+0x18/0x1c)

 4038 10:22:25.900728  <4>[   93.789196]  r9:c612a000 r8:c03002e4 r7:00000004 r6:b6fa8e00 r5:0000001f r4:0000001f

 4039 10:22:25.943250  <4>[   93.797214] [<c059b23c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 4040 10:22:25.943763  <4>[   93.805053] Exception stack(0xc612bfa8 to 0xc612bff0)

 4041 10:22:25.944100  <4>[   93.810377] bfa0:                   0000001f 0000001f 00000001 b6e61000 0000001f 00000000

 4042 10:22:25.944406  <4>[   93.818828] bfc0: 0000001f 0000001f b6fa8e00 00000004 00000001 00000000 00020000 bed24ac4

 4043 10:22:25.944700  <4>[   93.827274] bfe0: 00000004 bed247f8 b6f12d8f b6e997e6

 4044 10:22:25.944984  <4>[   93.832672] irq event stamp: 0

 4045 10:22:25.945264  <4>[   93.836010] hardirqs last  enabled at (0): [<00000000>] 0x0

 4046 10:22:25.986999  <4>[   93.841900] hardirqs last disabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 4047 10:22:25.987454  <4>[   93.849711] softirqs last  enabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 4048 10:22:25.987735  <4>[   93.858818] softirqs last disabled at (0): [<00000000>] 0x0

 4049 10:22:25.987994  <4>[   93.865443] ---[ end trace 184820ef97b03c36 ]---

 4050 10:22:25.988242  <6>[   93.870389] lkdtm: Negative detected: saturated

 4051 10:22:26.156602  # [   93.539733] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE

 4052 10:22:26.157082  # [   93.546808] lkdtm: attempting bad refcount_sub_and_test() below zero

 4053 10:22:26.157384  # [   93.553509] ------------[ cut here ]------------

 4054 10:22:26.157661  # [   93.558493] WARNING: CPU: 0 PID: 2829 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174

 4055 10:22:26.157929  # [   93.567358] refcount_t: underflow; use-after-free.

 4056 10:22:26.199437  # [   93.572424] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 4057 10:22:26.199968  # [   93.602028] CPU: 0 PID: 2829 Comm: cat Tainted: G      D W         5.10.182-cip34 #1

 4058 10:22:26.200302  # [   93.610043] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 4059 10:22:26.200611  # [   93.616840] Backtrace: 

 4060 10:22:26.200901  # [   93.619578] [<c137cc4c>] (dump_backtrace) from [<c137d00c>] (show_stack+0x20/0x24)

 4061 10:22:26.243115  # [   93.627422]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fdf8

 4062 10:22:26.243594  # [   93.633359] [<c137cfec>] (show_stack) from [<c1384268>] (dump_stack+0xe0/0x100)

 4063 10:22:26.243929  # [   93.640950] [<c1384188>] (dump_stack) from [<c0356820>] (__warn+0x98/0x14c)

 4064 10:22:26.244227  # [   93.648185]  r9:00000009 r8:c0873bf0 r7:0000001c r6:00000009 r5:c0873bf0 r4:c1a2419c

 4065 10:22:26.244514  # [   93.656203] [<c0356788>] (__warn) from [<c137e148>] (warn_slowpath_fmt+0x8c/0xa8)

 4066 10:22:26.244793  # [   93.663957]  r7:0000001c r6:c1a2419c r5:c1a241d8 r4:c612a000

 4067 10:22:26.286911  # [   93.669892] [<c137e0c0>] (warn_slowpath_fmt) from [<c0873bf0>] (refcount_warn_saturate+0x13c/0x174)

 4068 10:22:26.287114  # [   93.679210]  r9:c1ad0250 r8:c15ebcc8 r7:c612bf60 r6:0000001f r5:c6431000 r4:c612a000

 4069 10:22:26.287213  # [   93.687232] [<c0873ab4>] (refcount_warn_saturate) from [<c0c558a8>] (__refcount_sub_and_test.constprop.0+0x64/0x6c)

 4070 10:22:26.287306  # [   93.697951] [<c0c55844>] (__refcount_sub_and_test.constprop.0) from [<c138b1ec>] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x50/0x8c)

 4071 10:22:26.331236  # [   93.709880] [<c138b19c>] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE) from [<c0c547ac>] (lkdtm_do_action+0x2c/0x4c)

 4072 10:22:26.331683  # [   93.720061]  r4:00000032

 4073 10:22:26.331957  # [   93.722867] [<c0c54780>] (lkdtm_do_action) from [<c0c54cac>] (direct_entry+0x120/0x18c)

 4074 10:22:26.332246  # [   93.731150] [<c0c54b8c>] (direct_entry) from [<c07e05cc>] (full_proxy_write+0x64/0x94)

 4075 10:22:26.332507  # [   93.739338]  r9:c612bf60 r8:c5360b40 r7:0000001f r6:b6e61000 r5:c5a10000 r4:c0c54b8c

 4076 10:22:26.332761  # [   93.747361] [<c07e0568>] (full_proxy_write) from [<c059ac18>] (vfs_write+0x10c/0x53c)

 4077 10:22:26.375113  # [   93.755463]  r9:c07e0568 r8:c612bf60 r7:c2815800 r6:b6e61000 r5:c5a10000 r4:00000000

 4078 10:22:26.375597  # [   93.763479] [<c059ab0c>] (vfs_write) from [<c059b1c4>] (ksys_write+0x74/0xec)

 4079 10:22:26.375916  # [   93.770886]  r10:00000004 r9:00000000 r8:00000000 r7:b6e61000 r6:c612a000 r5:c5a10000

 4080 10:22:26.376194  # [   93.778982]  r4:c5a10000

 4081 10:22:26.376462  # [   93.781789] [<c059b150>] (ksys_write) from [<c059b254>] (sys_write+0x18/0x1c)

 4082 10:22:26.376725  # [   93.789196]  r9:c612a000 r8:c03002e4 r7:00000004 r6:b6fa8e00 r5:0000001f r4:0000001f

 4083 10:22:26.419246  # [   93.797214] [<c059b23c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 4084 10:22:26.419728  # [   93.805053] Exception stack(0xc612bfa8 to 0xc612bff0)

 4085 10:22:26.420042  # [   93.810377] bfa0:                   0000001f 0000001f 00000001 b6e61000 0000001f 00000000

 4086 10:22:26.420323  # [   93.818828] bfc0: 0000001f 0000001f b6fa8e00 00000004 00000001 00000000 00020000 bed24ac4

 4087 10:22:26.420592  # [   93.827274] bfe0: 00000004 bed247f8 b6f12d8f b6e997e6

 4088 10:22:26.420851  # [   93.832672] irq event stamp: 0

 4089 10:22:26.421105  # [   93.836010] hardirqs last  enabled at (0): [<00000000>] 0x0

 4090 10:22:26.467598  # [   93.841900] hardirqs last disabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 4091 10:22:26.468079  # [   93.849711] softirqs last  enabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 4092 10:22:26.468383  # [   93.858818] softirqs last disabled at (0): [<00000000>] 0x0

 4093 10:22:26.468663  # [   93.865443] ---[ end trace 184820ef97b03c36 ]---

 4094 10:22:26.468934  # [   93.870389] lkdtm: Negative detected: saturated

 4095 10:22:26.469197  # REFCOUNT_SUB_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok

 4096 10:22:26.469456  ok 49 selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh

 4097 10:22:26.469714  # selftests: lkdtm: REFCOUNT_INC_ZERO.sh

 4098 10:22:26.562181  <6>[   94.420119] lkdtm: Performing direct entry REFCOUNT_INC_ZERO

 4099 10:22:26.562683  <6>[   94.426091] lkdtm: attempting safe refcount_inc_not_zero() from zero

 4100 10:22:26.562994  <6>[   94.432868] lkdtm: Good: zero detected

 4101 10:22:26.563270  <6>[   94.436916] lkdtm: Correctly stayed at zero

 4102 10:22:26.563538  <6>[   94.441438] lkdtm: attempting bad refcount_inc() from zero

 4103 10:22:26.563803  <4>[   94.447259] ------------[ cut here ]------------

 4104 10:22:26.564063  <4>[   94.452169] WARNING: CPU: 0 PID: 2861 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174

 4105 10:22:26.605701  <4>[   94.461109] refcount_t: addition on 0; use-after-free.

 4106 10:22:26.606188  <4>[   94.466523] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 4107 10:22:26.606511  <4>[   94.496029] CPU: 0 PID: 2861 Comm: cat Tainted: G      D W         5.10.182-cip34 #1

 4108 10:22:26.649037  <4>[   94.504044] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 4109 10:22:26.649522  <4>[   94.510840] Backtrace: 

 4110 10:22:26.649821  <4>[   94.513578] [<c137cc4c>] (dump_backtrace) from [<c137d00c>] (show_stack+0x20/0x24)

 4111 10:22:26.650102  <4>[   94.521421]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fdf8

 4112 10:22:26.650369  <4>[   94.527359] [<c137cfec>] (show_stack) from [<c1384268>] (dump_stack+0xe0/0x100)

 4113 10:22:26.650662  <4>[   94.534950] [<c1384188>] (dump_stack) from [<c0356820>] (__warn+0x98/0x14c)

 4114 10:22:26.650926  <4>[   94.542184]  r9:00000009 r8:c0873bbc r7:00000019 r6:00000009 r5:c0873bbc r4:c1a2419c

 4115 10:22:26.692074  <4>[   94.550206] [<c0356788>] (__warn) from [<c137e148>] (warn_slowpath_fmt+0x8c/0xa8)

 4116 10:22:26.692557  <4>[   94.557960]  r7:00000019 r6:c1a2419c r5:c1a241ac r4:c64e6000

 4117 10:22:26.692863  <4>[   94.563897] [<c137e0c0>] (warn_slowpath_fmt) from [<c0873bbc>] (refcount_warn_saturate+0x108/0x174)

 4118 10:22:26.693175  <4>[   94.573217]  r9:c1ad0270 r8:c15ebcc8 r7:c64e7f60 r6:00000012 r5:00000000 r4:c64e6000

 4119 10:22:26.693467  <4>[   94.581239] [<c0873ab4>] (refcount_warn_saturate) from [<c0c55840>] (__refcount_add.constprop.0+0x54/0x58)

 4120 10:22:26.735466  <4>[   94.591176] [<c0c557ec>] (__refcount_add.constprop.0) from [<c138b2d0>] (lkdtm_REFCOUNT_INC_ZERO+0xa8/0xcc)

 4121 10:22:26.735982  <4>[   94.601193] [<c138b228>] (lkdtm_REFCOUNT_INC_ZERO) from [<c0c547ac>] (lkdtm_do_action+0x2c/0x4c)

 4122 10:22:26.736315  <4>[   94.610247]  r5:c6432000 r4:00000033

 4123 10:22:26.736619  <4>[   94.614097] [<c0c54780>] (lkdtm_do_action) from [<c0c54cac>] (direct_entry+0x120/0x18c)

 4124 10:22:26.736912  <4>[   94.622379] [<c0c54b8c>] (direct_entry) from [<c07e05cc>] (full_proxy_write+0x64/0x94)

 4125 10:22:26.779101  <4>[   94.630568]  r9:c64e7f60 r8:c5360b40 r7:00000012 r6:b6e67000 r5:c5a10500 r4:c0c54b8c

 4126 10:22:26.779618  <4>[   94.638590] [<c07e0568>] (full_proxy_write) from [<c059ac18>] (vfs_write+0x10c/0x53c)

 4127 10:22:26.779962  <4>[   94.646692]  r9:c07e0568 r8:c64e7f60 r7:c2815800 r6:b6e67000 r5:c5a10500 r4:00000000

 4128 10:22:26.780264  <4>[   94.654708] [<c059ab0c>] (vfs_write) from [<c059b1c4>] (ksys_write+0x74/0xec)

 4129 10:22:26.780561  <4>[   94.662118]  r10:00000004 r9:00000000 r8:00000000 r7:b6e67000 r6:c64e6000 r5:c5a10500

 4130 10:22:26.780845  <4>[   94.670214]  r4:c5a10500

 4131 10:22:26.781119  <4>[   94.673023] [<c059b150>] (ksys_write) from [<c059b254>] (sys_write+0x18/0x1c)

 4132 10:22:26.823089  <4>[   94.680431]  r9:c64e6000 r8:c03002e4 r7:00000004 r6:b6faee00 r5:00000012 r4:00000012

 4133 10:22:26.823599  <4>[   94.688451] [<c059b23c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 4134 10:22:26.823930  <4>[   94.696288] Exception stack(0xc64e7fa8 to 0xc64e7ff0)

 4135 10:22:26.824234  <4>[   94.701613] 7fa0:                   00000012 00000012 00000001 b6e67000 00000012 00000000

 4136 10:22:26.824525  <4>[   94.710064] 7fc0: 00000012 00000012 b6faee00 00000004 00000001 00000000 00020000 bee66ac4

 4137 10:22:26.875670  <4>[   94.718510] 7fe0: 00000004 bee667f8 b6f18d8f b6e9f7e6

 4138 10:22:26.876156  <4>[   94.723919] irq event stamp: 0

 4139 10:22:26.876462  <4>[   94.727289] hardirqs last  enabled at (0): [<00000000>] 0x0

 4140 10:22:26.876744  <4>[   94.733147] hardirqs last disabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 4141 10:22:26.877013  <4>[   94.740954] softirqs last  enabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 4142 10:22:26.877277  <4>[   94.748760] softirqs last disabled at (0): [<00000000>] 0x0

 4143 10:22:26.877531  <4>[   94.754612] ---[ end trace 184820ef97b03c37 ]---

 4144 10:22:26.877785  <6>[   94.759538] lkdtm: Zero detected: saturated

 4145 10:22:27.062467  # [   94.420119] lkdtm: Performing direct entry REFCOUNT_INC_ZERO

 4146 10:22:27.062983  # [   94.426091] lkdtm: attempting safe refcount_inc_not_zero() from zero

 4147 10:22:27.063290  # [   94.432868] lkdtm: Good: zero detected

 4148 10:22:27.063564  # [   94.436916] lkdtm: Correctly stayed at zero

 4149 10:22:27.063831  # [   94.441438] lkdtm: attempting bad refcount_inc() from zero

 4150 10:22:27.064092  # [   94.447259] ------------[ cut here ]------------

 4151 10:22:27.064347  # [   94.452169] WARNING: CPU: 0 PID: 2861 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174

 4152 10:22:27.105738  # [   94.461109] refcount_t: addition on 0; use-after-free.

 4153 10:22:27.106221  # [   94.466523] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 4154 10:22:27.106541  # [   94.496029] CPU: 0 PID: 2861 Comm: cat Tainted: G      D W         5.10.182-cip34 #1

 4155 10:22:27.148780  # [   94.504044] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 4156 10:22:27.149312  # [   94.510840] Backtrace: 

 4157 10:22:27.149639  # [   94.513578] [<c137cc4c>] (dump_backtrace) from [<c137d00c>] (show_stack+0x20/0x24)

 4158 10:22:27.149942  # [   94.521421]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fdf8

 4159 10:22:27.150232  # [   94.527359] [<c137cfec>] (show_stack) from [<c1384268>] (dump_stack+0xe0/0x100)

 4160 10:22:27.150520  # [   94.534950] [<c1384188>] (dump_stack) from [<c0356820>] (__warn+0x98/0x14c)

 4161 10:22:27.150833  # [   94.542184]  r9:00000009 r8:c0873bbc r7:00000019 r6:00000009 r5:c0873bbc r4:c1a2419c

 4162 10:22:27.191645  # [   94.550206] [<c0356788>] (__warn) from [<c137e148>] (warn_slowpath_fmt+0x8c/0xa8)

 4163 10:22:27.192110  # [   94.557960]  r7:00000019 r6:c1a2419c r5:c1a241ac r4:c64e6000

 4164 10:22:27.192403  # [   94.563897] [<c137e0c0>] (warn_slowpath_fmt) from [<c0873bbc>] (refcount_warn_saturate+0x108/0x174)

 4165 10:22:27.192668  # [   94.573217]  r9:c1ad0270 r8:c15ebcc8 r7:c64e7f60 r6:00000012 r5:00000000 r4:c64e6000

 4166 10:22:27.192940  # [   94.581239] [<c0873ab4>] (refcount_warn_saturate) from [<c0c55840>] (__refcount_add.constprop.0+0x54/0x58)

 4167 10:22:27.235045  # [   94.591176] [<c0c557ec>] (__refcount_add.constprop.0) from [<c138b2d0>] (lkdtm_REFCOUNT_INC_ZERO+0xa8/0xcc)

 4168 10:22:27.235524  # [   94.601193] [<c138b228>] (lkdtm_REFCOUNT_INC_ZERO) from [<c0c547ac>] (lkdtm_do_action+0x2c/0x4c)

 4169 10:22:27.235827  # [   94.610247]  r5:c6432000 r4:00000033

 4170 10:22:27.236106  # [   94.614097] [<c0c54780>] (lkdtm_do_action) from [<c0c54cac>] (direct_entry+0x120/0x18c)

 4171 10:22:27.236372  # [   94.622379] [<c0c54b8c>] (direct_entry) from [<c07e05cc>] (full_proxy_write+0x64/0x94)

 4172 10:22:27.236638  # [   94.630568]  r9:c64e7f60 r8:c5360b40 r7:00000012 r6:b6e67000 r5:c5a10500 r4:c0c54b8c

 4173 10:22:27.279004  # [   94.638590] [<c07e0568>] (full_proxy_write) from [<c059ac18>] (vfs_write+0x10c/0x53c)

 4174 10:22:27.279503  # [   94.646692]  r9:c07e0568 r8:c64e7f60 r7:c2815800 r6:b6e67000 r5:c5a10500 r4:00000000

 4175 10:22:27.279811  # [   94.654708] [<c059ab0c>] (vfs_write) from [<c059b1c4>] (ksys_write+0x74/0xec)

 4176 10:22:27.280093  # [   94.662118]  r10:00000004 r9:00000000 r8:00000000 r7:b6e67000 r6:c64e6000 r5:c5a10500

 4177 10:22:27.280358  # [   94.670214]  r4:c5a10500

 4178 10:22:27.280619  # [   94.673023] [<c059b150>] (ksys_write) from [<c059b254>] (sys_write+0x18/0x1c)

 4179 10:22:27.323253  # [   94.680431]  r9:c64e6000 r8:c03002e4 r7:00000004 r6:b6faee00 r5:00000012 r4:00000012

 4180 10:22:27.323733  # [   94.688451] [<c059b23c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 4181 10:22:27.324042  # [   94.696288] Exception stack(0xc64e7fa8 to 0xc64e7ff0)

 4182 10:22:27.324320  # [   94.701613] 7fa0:                   00000012 00000012 00000001 b6e67000 00000012 00000000

 4183 10:22:27.324588  # [   94.710064] 7fc0: 00000012 00000012 b6faee00 00000004 00000001 00000000 00020000 bee66ac4

 4184 10:22:27.324850  # [   94.718510] 7fe0: 00000004 bee667f8 b6f18d8f b6e9f7e6

 4185 10:22:27.325102  # [   94.723919] irq event stamp: 0

 4186 10:22:27.367252  # [   94.727289] hardirqs last  enabled at (0): [<00000000>] 0x0

 4187 10:22:27.367763  # [   94.733147] hardirqs last disabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 4188 10:22:27.368097  # [   94.740954] softirqs last  enabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 4189 10:22:27.368398  # [   94.748760] softirqs last disabled at (0): [<00000000>] 0x0

 4190 10:22:27.368688  # [   94.754612] ---[ end trace 184820ef97b03c37 ]---

 4191 10:22:27.368970  # [   94.759538] lkdtm: Zero detected: saturated

 4192 10:22:27.369248  # REFCOUNT_INC_ZERO: missing 'call trace:': [FAIL]

 4193 10:22:27.411384  not ok 50 selftests: lkdtm: REFCOUNT_INC_ZERO.sh # exit=1

 4194 10:22:27.411866  # selftests: lkdtm: REFCOUNT_ADD_ZERO.sh

 4195 10:22:27.492487  <6>[   95.345631] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO

 4196 10:22:27.492973  <6>[   95.351651] lkdtm: attempting safe refcount_add_not_zero() from zero

 4197 10:22:27.493276  <6>[   95.358334] lkdtm: Good: zero detected

 4198 10:22:27.493551  <6>[   95.362362] lkdtm: Correctly stayed at zero

 4199 10:22:27.493819  <6>[   95.366817] lkdtm: attempting bad refcount_add() from zero

 4200 10:22:27.494081  <4>[   95.372627] ------------[ cut here ]------------

 4201 10:22:27.494339  <4>[   95.377571] WARNING: CPU: 3 PID: 2895 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174

 4202 10:22:27.494618  <4>[   95.386370] refcount_t: addition on 0; use-after-free.

 4203 10:22:27.535538  <4>[   95.391819] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 4204 10:22:27.536033  <4>[   95.421293] CPU: 3 PID: 2895 Comm: cat Tainted: G      D W         5.10.182-cip34 #1

 4205 10:22:27.536337  <4>[   95.429308] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 4206 10:22:27.579069  <4>[   95.436103] Backtrace: 

 4207 10:22:27.579548  <4>[   95.438841] [<c137cc4c>] (dump_backtrace) from [<c137d00c>] (show_stack+0x20/0x24)

 4208 10:22:27.579852  <4>[   95.446686]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fdf8

 4209 10:22:27.580133  <4>[   95.452623] [<c137cfec>] (show_stack) from [<c1384268>] (dump_stack+0xe0/0x100)

 4210 10:22:27.580403  <4>[   95.460211] [<c1384188>] (dump_stack) from [<c0356820>] (__warn+0x98/0x14c)

 4211 10:22:27.580668  <4>[   95.467446]  r9:00000009 r8:c0873bbc r7:00000019 r6:00000009 r5:c0873bbc r4:c1a2419c

 4212 10:22:27.623086  <4>[   95.475465] [<c0356788>] (__warn) from [<c137e148>] (warn_slowpath_fmt+0x8c/0xa8)

 4213 10:22:27.623566  <4>[   95.483220]  r7:00000019 r6:c1a2419c r5:c1a241ac r4:c6348000

 4214 10:22:27.623880  <4>[   95.489155] [<c137e0c0>] (warn_slowpath_fmt) from [<c0873bbc>] (refcount_warn_saturate+0x108/0x174)

 4215 10:22:27.624161  <4>[   95.498472]  r9:c1ad0284 r8:c15ebcc8 r7:c6349f60 r6:00000012 r5:00000000 r4:c6348000

 4216 10:22:27.624426  <4>[   95.506494] [<c0873ab4>] (refcount_warn_saturate) from [<c0c55840>] (__refcount_add.constprop.0+0x54/0x58)

 4217 10:22:27.667242  <4>[   95.516428] [<c0c557ec>] (__refcount_add.constprop.0) from [<c138b39c>] (lkdtm_REFCOUNT_ADD_ZERO+0xa8/0xcc)

 4218 10:22:27.667757  <4>[   95.526444] [<c138b2f4>] (lkdtm_REFCOUNT_ADD_ZERO) from [<c0c547ac>] (lkdtm_do_action+0x2c/0x4c)

 4219 10:22:27.668099  <4>[   95.535498]  r5:c62b3000 r4:00000034

 4220 10:22:27.668406  <4>[   95.539346] [<c0c54780>] (lkdtm_do_action) from [<c0c54cac>] (direct_entry+0x120/0x18c)

 4221 10:22:27.668702  <4>[   95.547629] [<c0c54b8c>] (direct_entry) from [<c07e05cc>] (full_proxy_write+0x64/0x94)

 4222 10:22:27.668990  <4>[   95.555817]  r9:c6349f60 r8:c5360b40 r7:00000012 r6:b6dda000 r5:c5c90a00 r4:c0c54b8c

 4223 10:22:27.711259  <4>[   95.563840] [<c07e0568>] (full_proxy_write) from [<c059ac18>] (vfs_write+0x10c/0x53c)

 4224 10:22:27.711777  <4>[   95.571940]  r9:c07e0568 r8:c6349f60 r7:c2815800 r6:b6dda000 r5:c5c90a00 r4:00000000

 4225 10:22:27.712113  <4>[   95.579957] [<c059ab0c>] (vfs_write) from [<c059b1c4>] (ksys_write+0x74/0xec)

 4226 10:22:27.712419  <4>[   95.587364]  r10:00000004 r9:00000000 r8:00000000 r7:b6dda000 r6:c6348000 r5:c5c90a00

 4227 10:22:27.712707  <4>[   95.595460]  r4:c5c90a00

 4228 10:22:27.712984  <4>[   95.598267] [<c059b150>] (ksys_write) from [<c059b254>] (sys_write+0x18/0x1c)

 4229 10:22:27.755252  <4>[   95.605675]  r9:c6348000 r8:c03002e4 r7:00000004 r6:b6f21e00 r5:00000012 r4:00000012

 4230 10:22:27.755765  <4>[   95.613694] [<c059b23c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 4231 10:22:27.756103  <4>[   95.621532] Exception stack(0xc6349fa8 to 0xc6349ff0)

 4232 10:22:27.756404  <4>[   95.626855] 9fa0:                   00000012 00000012 00000001 b6dda000 00000012 00000000

 4233 10:22:27.756694  <4>[   95.635305] 9fc0: 00000012 00000012 b6f21e00 00000004 00000001 00000000 00020000 bee9dac4

 4234 10:22:27.756983  <4>[   95.643750] 9fe0: 00000004 bee9d7f8 b6e8bd8f b6e127e6

 4235 10:22:27.757264  <4>[   95.649135] irq event stamp: 0

 4236 10:22:27.799175  <4>[   95.652474] hardirqs last  enabled at (0): [<00000000>] 0x0

 4237 10:22:27.799342  <4>[   95.658363] hardirqs last disabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 4238 10:22:27.799406  <4>[   95.666131] softirqs last  enabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 4239 10:22:27.799494  <4>[   95.673939] softirqs last disabled at (0): [<00000000>] 0x0

 4240 10:22:27.799563  <4>[   95.679828] ---[ end trace 184820ef97b03c38 ]---

 4241 10:22:27.799646  <6>[   95.684727] lkdtm: Zero detected: saturated

 4242 10:22:27.970657  # [   95.345631] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO

 4243 10:22:27.971136  # [   95.351651] lkdtm: attempting safe refcount_add_not_zero() from zero

 4244 10:22:27.971436  # [   95.358334] lkdtm: Good: zero detected

 4245 10:22:27.971713  # [   95.362362] lkdtm: Correctly stayed at zero

 4246 10:22:27.971979  # [   95.366817] lkdtm: attempting bad refcount_add() from zero

 4247 10:22:27.972238  # [   95.372627] ------------[ cut here ]------------

 4248 10:22:27.972496  # [   95.377571] WARNING: CPU: 3 PID: 2895 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174

 4249 10:22:27.972754  # [   95.386370] refcount_t: addition on 0; use-after-free.

 4250 10:22:28.013588  # [   95.391819] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 4251 10:22:28.014080  # [   95.421293] CPU: 3 PID: 2895 Comm: cat Tainted: G      D W         5.10.182-cip34 #1

 4252 10:22:28.014384  # [   95.429308] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 4253 10:22:28.056650  # [   95.436103] Backtrace: 

 4254 10:22:28.057121  # [   95.438841] [<c137cc4c>] (dump_backtrace) from [<c137d00c>] (show_stack+0x20/0x24)

 4255 10:22:28.057423  # [   95.446686]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fdf8

 4256 10:22:28.057702  # [   95.452623] [<c137cfec>] (show_stack) from [<c1384268>] (dump_stack+0xe0/0x100)

 4257 10:22:28.057969  # [   95.460211] [<c1384188>] (dump_stack) from [<c0356820>] (__warn+0x98/0x14c)

 4258 10:22:28.058227  # [   95.467446]  r9:00000009 r8:c0873bbc r7:00000019 r6:00000009 r5:c0873bbc r4:c1a2419c

 4259 10:22:28.099437  # [   95.475465] [<c0356788>] (__warn) from [<c137e148>] (warn_slowpath_fmt+0x8c/0xa8)

 4260 10:22:28.099895  # [   95.483220]  r7:00000019 r6:c1a2419c r5:c1a241ac r4:c6348000

 4261 10:22:28.100193  # [   95.489155] [<c137e0c0>] (warn_slowpath_fmt) from [<c0873bbc>] (refcount_warn_saturate+0x108/0x174)

 4262 10:22:28.100449  # [   95.498472]  r9:c1ad0284 r8:c15ebcc8 r7:c6349f60 r6:00000012 r5:00000000 r4:c6348000

 4263 10:22:28.100720  # [   95.506494] [<c0873ab4>] (refcount_warn_saturate) from [<c0c55840>] (__refcount_add.constprop.0+0x54/0x58)

 4264 10:22:28.143020  # [   95.516428] [<c0c557ec>] (__refcount_add.constprop.0) from [<c138b39c>] (lkdtm_REFCOUNT_ADD_ZERO+0xa8/0xcc)

 4265 10:22:28.143503  # [   95.526444] [<c138b2f4>] (lkdtm_REFCOUNT_ADD_ZERO) from [<c0c547ac>] (lkdtm_do_action+0x2c/0x4c)

 4266 10:22:28.143805  # [   95.535498]  r5:c62b3000 r4:00000034

 4267 10:22:28.144077  # [   95.539346] [<c0c54780>] (lkdtm_do_action) from [<c0c54cac>] (direct_entry+0x120/0x18c)

 4268 10:22:28.144343  # [   95.547629] [<c0c54b8c>] (direct_entry) from [<c07e05cc>] (full_proxy_write+0x64/0x94)

 4269 10:22:28.144602  # [   95.555817]  r9:c6349f60 r8:c5360b40 r7:00000012 r6:b6dda000 r5:c5c90a00 r4:c0c54b8c

 4270 10:22:28.187071  # [   95.563840] [<c07e0568>] (full_proxy_write) from [<c059ac18>] (vfs_write+0x10c/0x53c)

 4271 10:22:28.187553  # [   95.571940]  r9:c07e0568 r8:c6349f60 r7:c2815800 r6:b6dda000 r5:c5c90a00 r4:00000000

 4272 10:22:28.187879  # [   95.579957] [<c059ab0c>] (vfs_write) from [<c059b1c4>] (ksys_write+0x74/0xec)

 4273 10:22:28.188162  # [   95.587364]  r10:00000004 r9:00000000 r8:00000000 r7:b6dda000 r6:c6348000 r5:c5c90a00

 4274 10:22:28.188428  # [   95.595460]  r4:c5c90a00

 4275 10:22:28.188687  # [   95.598267] [<c059b150>] (ksys_write) from [<c059b254>] (sys_write+0x18/0x1c)

 4276 10:22:28.231091  # [   95.605675]  r9:c6348000 r8:c03002e4 r7:00000004 r6:b6f21e00 r5:00000012 r4:00000012

 4277 10:22:28.231571  # [   95.613694] [<c059b23c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 4278 10:22:28.231884  # [   95.621532] Exception stack(0xc6349fa8 to 0xc6349ff0)

 4279 10:22:28.232166  # [   95.626855] 9fa0:                   00000012 00000012 00000001 b6dda000 00000012 00000000

 4280 10:22:28.232436  # [   95.635305] 9fc0: 00000012 00000012 b6f21e00 00000004 00000001 00000000 00020000 bee9dac4

 4281 10:22:28.232701  # [   95.643750] 9fe0: 00000004 bee9d7f8 b6e8bd8f b6e127e6

 4282 10:22:28.232958  # [   95.649135] irq event stamp: 0

 4283 10:22:28.275268  # [   95.652474] hardirqs last  enabled at (0): [<00000000>] 0x0

 4284 10:22:28.275795  # [   95.658363] hardirqs last disabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 4285 10:22:28.276132  # [   95.666131] softirqs last  enabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 4286 10:22:28.276437  # [   95.673939] softirqs last disabled at (0): [<00000000>] 0x0

 4287 10:22:28.276723  # [   95.679828] ---[ end trace 184820ef97b03c38 ]---

 4288 10:22:28.277005  # [   95.684727] lkdtm: Zero detected: saturated

 4289 10:22:28.277283  # REFCOUNT_ADD_ZERO: missing 'call trace:': [FAIL]

 4290 10:22:28.277560  not ok 51 selftests: lkdtm: REFCOUNT_ADD_ZERO.sh # exit=1

 4291 10:22:28.319052  # selftests: lkdtm: REFCOUNT_INC_SATURATED.sh

 4292 10:22:28.404370  <6>[   96.262338] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED

 4293 10:22:28.404853  <6>[   96.268779] lkdtm: attempting bad refcount_inc() from saturated

 4294 10:22:28.405153  <4>[   96.274974] ------------[ cut here ]------------

 4295 10:22:28.405432  <4>[   96.279932] WARNING: CPU: 1 PID: 2932 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174

 4296 10:22:28.405701  <4>[   96.288703] refcount_t: saturated; leaking memory.

 4297 10:22:28.447542  <4>[   96.293769] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 4298 10:22:28.448071  <4>[   96.323263] CPU: 1 PID: 2932 Comm: cat Tainted: G      D W         5.10.182-cip34 #1

 4299 10:22:28.448403  <4>[   96.331277] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 4300 10:22:28.448709  <4>[   96.338074] Backtrace: 

 4301 10:22:28.449000  <4>[   96.340813] [<c137cc4c>] (dump_backtrace) from [<c137d00c>] (show_stack+0x20/0x24)

 4302 10:22:28.491035  <4>[   96.348656]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fdf8

 4303 10:22:28.491512  <4>[   96.354594] [<c137cfec>] (show_stack) from [<c1384268>] (dump_stack+0xe0/0x100)

 4304 10:22:28.491815  <4>[   96.362183] [<c1384188>] (dump_stack) from [<c0356820>] (__warn+0x98/0x14c)

 4305 10:22:28.492093  <4>[   96.369418]  r9:00000009 r8:c0873b88 r7:00000016 r6:00000009 r5:c0873b88 r4:c1a2419c

 4306 10:22:28.492358  <4>[   96.377438] [<c0356788>] (__warn) from [<c137e148>] (warn_slowpath_fmt+0x8c/0xa8)

 4307 10:22:28.492655  <4>[   96.385190]  r7:00000016 r6:c1a2419c r5:c1a24174 r4:c64e6000

 4308 10:22:28.535137  <4>[   96.391127] [<c137e0c0>] (warn_slowpath_fmt) from [<c0873b88>] (refcount_warn_saturate+0xd4/0x174)

 4309 10:22:28.535652  <4>[   96.400357]  r9:c1ad0298 r8:c15ebcc8 r7:c64e7f60 r6:00000017 r5:c60bb000 r4:c64e6000

 4310 10:22:28.535989  <4>[   96.408376] [<c0873ab4>] (refcount_warn_saturate) from [<c0c55830>] (__refcount_add.constprop.0+0x44/0x58)

 4311 10:22:28.536295  <4>[   96.418311] [<c0c557ec>] (__refcount_add.constprop.0) from [<c138b40c>] (lkdtm_REFCOUNT_INC_SATURATED+0x4c/0x70)

 4312 10:22:28.579277  <4>[   96.428762] [<c138b3c0>] (lkdtm_REFCOUNT_INC_SATURATED) from [<c0c547ac>] (lkdtm_do_action+0x2c/0x4c)

 4313 10:22:28.579805  <4>[   96.438247]  r4:00000035

 4314 10:22:28.580109  <4>[   96.441054] [<c0c54780>] (lkdtm_do_action) from [<c0c54cac>] (direct_entry+0x120/0x18c)

 4315 10:22:28.580390  <4>[   96.449336] [<c0c54b8c>] (direct_entry) from [<c07e05cc>] (full_proxy_write+0x64/0x94)

 4316 10:22:28.580656  <4>[   96.457526]  r9:c64e7f60 r8:c5360b40 r7:00000017 r6:b6e62000 r5:c64e3180 r4:c0c54b8c

 4317 10:22:28.580949  <4>[   96.465547] [<c07e0568>] (full_proxy_write) from [<c059ac18>] (vfs_write+0x10c/0x53c)

 4318 10:22:28.623242  <4>[   96.473648]  r9:c07e0568 r8:c64e7f60 r7:c2815800 r6:b6e62000 r5:c64e3180 r4:00000000

 4319 10:22:28.623752  <4>[   96.481665] [<c059ab0c>] (vfs_write) from [<c059b1c4>] (ksys_write+0x74/0xec)

 4320 10:22:28.624088  <4>[   96.489072]  r10:00000004 r9:00000000 r8:00000000 r7:b6e62000 r6:c64e6000 r5:c64e3180

 4321 10:22:28.624391  <4>[   96.497169]  r4:c64e3180

 4322 10:22:28.624681  <4>[   96.499977] [<c059b150>] (ksys_write) from [<c059b254>] (sys_write+0x18/0x1c)

 4323 10:22:28.624969  <4>[   96.507384]  r9:c64e6000 r8:c03002e4 r7:00000004 r6:b6fa9e00 r5:00000017 r4:00000017

 4324 10:22:28.667051  <4>[   96.515403] [<c059b23c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 4325 10:22:28.667581  <4>[   96.523241] Exception stack(0xc64e7fa8 to 0xc64e7ff0)

 4326 10:22:28.667916  <4>[   96.528567] 7fa0:                   00000017 00000017 00000001 b6e62000 00000017 00000000

 4327 10:22:28.668221  <4>[   96.537017] 7fc0: 00000017 00000017 b6fa9e00 00000004 00000001 00000000 00020000 be89bac4

 4328 10:22:28.668512  <4>[   96.545463] 7fe0: 00000004 be89b7f8 b6f13d8f b6e9a7e6

 4329 10:22:28.668797  <4>[   96.550858] irq event stamp: 0

 4330 10:22:28.669075  <4>[   96.554198] hardirqs last  enabled at (0): [<00000000>] 0x0

 4331 10:22:28.710865  <4>[   96.560088] hardirqs last disabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 4332 10:22:28.710950  <4>[   96.567909] softirqs last  enabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 4333 10:22:28.711017  <4>[   96.575698] softirqs last disabled at (0): [<00000000>] 0x0

 4334 10:22:28.711081  <4>[   96.581598] ---[ end trace 184820ef97b03c39 ]---

 4335 10:22:28.711140  <6>[   96.586496] lkdtm: Saturation detected: still saturated

 4336 10:22:28.871442  # [   96.262338] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED

 4337 10:22:28.871920  # [   96.268779] lkdtm: attempting bad refcount_inc() from saturated

 4338 10:22:28.872220  # [   96.274974] ------------[ cut here ]------------

 4339 10:22:28.872498  # [   96.279932] WARNING: CPU: 1 PID: 2932 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174

 4340 10:22:28.872768  # [   96.288703] refcount_t: saturated; leaking memory.

 4341 10:22:28.919254  # [   96.293769] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 4342 10:22:28.919743  # [   96.323263] CPU: 1 PID: 2932 Comm: cat Tainted: G      D W         5.10.182-cip34 #1

 4343 10:22:28.920056  # [   96.331277] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 4344 10:22:28.920337  # [   96.338074] Backtrace: 

 4345 10:22:28.920602  # [   96.340813] [<c137cc4c>] (dump_backtrace) from [<c137d00c>] (show_stack+0x20/0x24)

 4346 10:22:28.920866  # [   96.348656]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fdf8

 4347 10:22:28.963117  # [   96.354594] [<c137cfec>] (show_stack) from [<c1384268>] (dump_stack+0xe0/0x100)

 4348 10:22:28.963598  # [   96.362183] [<c1384188>] (dump_stack) from [<c0356820>] (__warn+0x98/0x14c)

 4349 10:22:28.963911  # [   96.369418]  r9:00000009 r8:c0873b88 r7:00000016 r6:00000009 r5:c0873b88 r4:c1a2419c

 4350 10:22:28.964189  # [   96.377438] [<c0356788>] (__warn) from [<c137e148>] (warn_slowpath_fmt+0x8c/0xa8)

 4351 10:22:28.964455  # [   96.385190]  r7:00000016 r6:c1a2419c r5:c1a24174 r4:c64e6000

 4352 10:22:29.007047  # [   96.391127] [<c137e0c0>] (warn_slowpath_fmt) from [<c0873b88>] (refcount_warn_saturate+0xd4/0x174)

 4353 10:22:29.007522  # [   96.400357]  r9:c1ad0298 r8:c15ebcc8 r7:c64e7f60 r6:00000017 r5:c60bb000 r4:c64e6000

 4354 10:22:29.007823  # [   96.408376] [<c0873ab4>] (refcount_warn_saturate) from [<c0c55830>] (__refcount_add.constprop.0+0x44/0x58)

 4355 10:22:29.008101  # [   96.418311] [<c0c557ec>] (__refcount_add.constprop.0) from [<c138b40c>] (lkdtm_REFCOUNT_INC_SATURATED+0x4c/0x70)

 4356 10:22:29.008371  # [   96.428762] [<c138b3c0>] (lkdtm_REFCOUNT_INC_SATURATED) from [<c0c547ac>] (lkdtm_do_action+0x2c/0x4c)

 4357 10:22:29.008632  # [   96.438247]  r4:00000035

 4358 10:22:29.051151  # [   96.441054] [<c0c54780>] (lkdtm_do_action) from [<c0c54cac>] (direct_entry+0x120/0x18c)

 4359 10:22:29.051633  # [   96.449336] [<c0c54b8c>] (direct_entry) from [<c07e05cc>] (full_proxy_write+0x64/0x94)

 4360 10:22:29.051947  # [   96.457526]  r9:c64e7f60 r8:c5360b40 r7:00000017 r6:b6e62000 r5:c64e3180 r4:c0c54b8c

 4361 10:22:29.052227  # [   96.465547] [<c07e0568>] (full_proxy_write) from [<c059ac18>] (vfs_write+0x10c/0x53c)

 4362 10:22:29.052493  # [   96.473648]  r9:c07e0568 r8:c64e7f60 r7:c2815800 r6:b6e62000 r5:c64e3180 r4:00000000

 4363 10:22:29.095108  # [   96.481665] [<c059ab0c>] (vfs_write) from [<c059b1c4>] (ksys_write+0x74/0xec)

 4364 10:22:29.095592  # [   96.489072]  r10:00000004 r9:00000000 r8:00000000 r7:b6e62000 r6:c64e6000 r5:c64e3180

 4365 10:22:29.095921  # [   96.497169]  r4:c64e3180

 4366 10:22:29.096198  # [   96.499977] [<c059b150>] (ksys_write) from [<c059b254>] (sys_write+0x18/0x1c)

 4367 10:22:29.096466  # [   96.507384]  r9:c64e6000 r8:c03002e4 r7:00000004 r6:b6fa9e00 r5:00000017 r4:00000017

 4368 10:22:29.096727  # [   96.515403] [<c059b23c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 4369 10:22:29.096984  # [   96.523241] Exception stack(0xc64e7fa8 to 0xc64e7ff0)

 4370 10:22:29.139276  # [   96.528567] 7fa0:                   00000017 00000017 00000001 b6e62000 00000017 00000000

 4371 10:22:29.139759  # [   96.537017] 7fc0: 00000017 00000017 b6fa9e00 00000004 00000001 00000000 00020000 be89bac4

 4372 10:22:29.140070  # [   96.545463] 7fe0: 00000004 be89b7f8 b6f13d8f b6e9a7e6

 4373 10:22:29.140347  # [   96.550858] irq event stamp: 0

 4374 10:22:29.140612  # [   96.554198] hardirqs last  enabled at (0): [<00000000>] 0x0

 4375 10:22:29.140871  # [   96.560088] hardirqs last disabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 4376 10:22:29.183405  # [   96.567909] softirqs last  enabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 4377 10:22:29.183882  # [   96.575698] softirqs last disabled at (0): [<00000000>] 0x0

 4378 10:22:29.184188  # [   96.581598] ---[ end trace 184820ef97b03c39 ]---

 4379 10:22:29.184468  # [   96.586496] lkdtm: Saturation detected: still saturated

 4380 10:22:29.184735  # REFCOUNT_INC_SATURATED: saw 'Saturation detected: still saturated': ok

 4381 10:22:29.184999  ok 52 selftests: lkdtm: REFCOUNT_INC_SATURATED.sh

 4382 10:22:29.185259  # selftests: lkdtm: REFCOUNT_DEC_SATURATED.sh

 4383 10:22:29.312929  <6>[   97.170484] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED

 4384 10:22:29.313202  <6>[   97.176892] lkdtm: attempting bad refcount_dec() from saturated

 4385 10:22:29.313363  <4>[   97.183252] ------------[ cut here ]------------

 4386 10:22:29.313509  <4>[   97.188314] WARNING: CPU: 1 PID: 2967 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174

 4387 10:22:29.313650  <4>[   97.197049] refcount_t: decrement hit 0; leaking memory.

 4388 10:22:29.356520  <4>[   97.202782] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 4389 10:22:29.357016  <4>[   97.232640] CPU: 1 PID: 2967 Comm: cat Tainted: G      D W         5.10.182-cip34 #1

 4390 10:22:29.357320  <4>[   97.240673] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 4391 10:22:29.357598  <4>[   97.247482] Backtrace: 

 4392 10:22:29.357861  <4>[   97.250253] [<c137cc4c>] (dump_backtrace) from [<c137d00c>] (show_stack+0x20/0x24)

 4393 10:22:29.399629  <4>[   97.258116]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fdf8

 4394 10:22:29.400108  <4>[   97.264075] [<c137cfec>] (show_stack) from [<c1384268>] (dump_stack+0xe0/0x100)

 4395 10:22:29.400411  <4>[   97.271691] [<c1384188>] (dump_stack) from [<c0356820>] (__warn+0x98/0x14c)

 4396 10:22:29.400692  <4>[   97.278944]  r9:00000009 r8:c0873b20 r7:0000001f r6:00000009 r5:c0873b20 r4:c1a2419c

 4397 10:22:29.400960  <4>[   97.286985] [<c0356788>] (__warn) from [<c137e148>] (warn_slowpath_fmt+0x8c/0xa8)

 4398 10:22:29.401222  <4>[   97.294758]  r7:0000001f r6:c1a2419c r5:c1a24200 r4:c5bf2000

 4399 10:22:29.443253  <4>[   97.300715] [<c137e0c0>] (warn_slowpath_fmt) from [<c0873b20>] (refcount_warn_saturate+0x6c/0x174)

 4400 10:22:29.443736  <4>[   97.309966]  r9:c1ad02b0 r8:c15ebcc8 r7:c5bf3f60 r6:00000017 r5:c60bb000 r4:c5bf2000

 4401 10:22:29.444039  <4>[   97.318015] [<c0873ab4>] (refcount_warn_saturate) from [<c138acf8>] (__refcount_dec.constprop.0+0x38/0x3c)

 4402 10:22:29.444320  <4>[   97.327972] [<c138acc0>] (__refcount_dec.constprop.0) from [<c138b478>] (lkdtm_REFCOUNT_DEC_SATURATED+0x48/0x6c)

 4403 10:22:29.487099  <4>[   97.338443] [<c138b430>] (lkdtm_REFCOUNT_DEC_SATURATED) from [<c0c547ac>] (lkdtm_do_action+0x2c/0x4c)

 4404 10:22:29.487582  <4>[   97.347944]  r4:00000036

 4405 10:22:29.487896  <4>[   97.350771] [<c0c54780>] (lkdtm_do_action) from [<c0c54cac>] (direct_entry+0x120/0x18c)

 4406 10:22:29.488179  <4>[   97.359075] [<c0c54b8c>] (direct_entry) from [<c07e05cc>] (full_proxy_write+0x64/0x94)

 4407 10:22:29.488447  <4>[   97.367284]  r9:c5bf3f60 r8:c5360b40 r7:00000017 r6:b6dff000 r5:c5ad9b80 r4:c0c54b8c

 4408 10:22:29.488710  <4>[   97.375329] [<c07e0568>] (full_proxy_write) from [<c059ac18>] (vfs_write+0x10c/0x53c)

 4409 10:22:29.531125  <4>[   97.383450]  r9:c07e0568 r8:c5bf3f60 r7:c2815800 r6:b6dff000 r5:c5ad9b80 r4:00000000

 4410 10:22:29.531640  <4>[   97.391486] [<c059ab0c>] (vfs_write) from [<c059b1c4>] (ksys_write+0x74/0xec)

 4411 10:22:29.531979  <4>[   97.398913]  r10:00000004 r9:00000000 r8:00000000 r7:b6dff000 r6:c5bf2000 r5:c5ad9b80

 4412 10:22:29.532285  <4>[   97.407022]  r4:c5ad9b80

 4413 10:22:29.532578  <4>[   97.409850] [<c059b150>] (ksys_write) from [<c059b254>] (sys_write+0x18/0x1c)

 4414 10:22:29.532841  <4>[   97.417278]  r9:c5bf2000 r8:c03002e4 r7:00000004 r6:b6f46e00 r5:00000017 r4:00000017

 4415 10:22:29.575239  <4>[   97.425318] [<c059b23c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 4416 10:22:29.575754  <4>[   97.433172] Exception stack(0xc5bf3fa8 to 0xc5bf3ff0)

 4417 10:22:29.576087  <4>[   97.438514] 3fa0:                   00000017 00000017 00000001 b6dff000 00000017 00000000

 4418 10:22:29.576391  <4>[   97.446984] 3fc0: 00000017 00000017 b6f46e00 00000004 00000001 00000000 00020000 beb49ac4

 4419 10:22:29.576679  <4>[   97.455445] 3fe0: 00000004 beb497f8 b6eb0d8f b6e377e6

 4420 10:22:29.576961  <4>[   97.460912] irq event stamp: 0

 4421 10:22:29.577236  <4>[   97.464279] hardirqs last  enabled at (0): [<00000000>] 0x0

 4422 10:22:29.618783  <4>[   97.470226] hardirqs last disabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 4423 10:22:29.618863  <4>[   97.478075] softirqs last  enabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 4424 10:22:29.618927  <4>[   97.485864] softirqs last disabled at (0): [<00000000>] 0x0

 4425 10:22:29.618997  <4>[   97.491790] ---[ end trace 184820ef97b03c3a ]---

 4426 10:22:29.619075  <6>[   97.496713] lkdtm: Saturation detected: still saturated

 4427 10:22:29.798342  # [   97.170484] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED

 4428 10:22:29.798868  # [   97.176892] lkdtm: attempting bad refcount_dec() from saturated

 4429 10:22:29.799176  # [   97.183252] ------------[ cut here ]------------

 4430 10:22:29.799455  # [   97.188314] WARNING: CPU: 1 PID: 2967 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174

 4431 10:22:29.799727  # [   97.197049] refcount_t: decrement hit 0; leaking memory.

 4432 10:22:29.841460  # [   97.202782] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 4433 10:22:29.841924  # [   97.232640] CPU: 1 PID: 2967 Comm: cat Tainted: G      D W         5.10.182-cip34 #1

 4434 10:22:29.842246  # [   97.240673] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 4435 10:22:29.842525  # [   97.247482] Backtrace: 

 4436 10:22:29.842844  # [   97.250253] [<c137cc4c>] (dump_backtrace) from [<c137d00c>] (show_stack+0x20/0x24)

 4437 10:22:29.884430  # [   97.258116]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fdf8

 4438 10:22:29.884907  # [   97.264075] [<c137cfec>] (show_stack) from [<c1384268>] (dump_stack+0xe0/0x100)

 4439 10:22:29.885213  # [   97.271691] [<c1384188>] (dump_stack) from [<c0356820>] (__warn+0x98/0x14c)

 4440 10:22:29.885492  # [   97.278944]  r9:00000009 r8:c0873b20 r7:0000001f r6:00000009 r5:c0873b20 r4:c1a2419c

 4441 10:22:29.885760  # [   97.286985] [<c0356788>] (__warn) from [<c137e148>] (warn_slowpath_fmt+0x8c/0xa8)

 4442 10:22:29.886024  # [   97.294758]  r7:0000001f r6:c1a2419c r5:c1a24200 r4:c5bf2000

 4443 10:22:29.927241  # [   97.300715] [<c137e0c0>] (warn_slowpath_fmt) from [<c0873b20>] (refcount_warn_saturate+0x6c/0x174)

 4444 10:22:29.927736  # [   97.309966]  r9:c1ad02b0 r8:c15ebcc8 r7:c5bf3f60 r6:00000017 r5:c60bb000 r4:c5bf2000

 4445 10:22:29.928057  # [   97.318015] [<c0873ab4>] (refcount_warn_saturate) from [<c138acf8>] (__refcount_dec.constprop.0+0x38/0x3c)

 4446 10:22:29.928336  # [   97.327972] [<c138acc0>] (__refcount_dec.constprop.0) from [<c138b478>] (lkdtm_REFCOUNT_DEC_SATURATED+0x48/0x6c)

 4447 10:22:29.971116  # [   97.338443] [<c138b430>] (lkdtm_REFCOUNT_DEC_SATURATED) from [<c0c547ac>] (lkdtm_do_action+0x2c/0x4c)

 4448 10:22:29.971599  # [   97.347944]  r4:00000036

 4449 10:22:29.971923  # [   97.350771] [<c0c54780>] (lkdtm_do_action) from [<c0c54cac>] (direct_entry+0x120/0x18c)

 4450 10:22:29.972205  # [   97.359075] [<c0c54b8c>] (direct_entry) from [<c07e05cc>] (full_proxy_write+0x64/0x94)

 4451 10:22:29.972473  # [   97.367284]  r9:c5bf3f60 r8:c5360b40 r7:00000017 r6:b6dff000 r5:c5ad9b80 r4:c0c54b8c

 4452 10:22:29.972738  # [   97.375329] [<c07e0568>] (full_proxy_write) from [<c059ac18>] (vfs_write+0x10c/0x53c)

 4453 10:22:30.015096  # [   97.383450]  r9:c07e0568 r8:c5bf3f60 r7:c2815800 r6:b6dff000 r5:c5ad9b80 r4:00000000

 4454 10:22:30.015586  # [   97.391486] [<c059ab0c>] (vfs_write) from [<c059b1c4>] (ksys_write+0x74/0xec)

 4455 10:22:30.015911  # [   97.398913]  r10:00000004 r9:00000000 r8:00000000 r7:b6dff000 r6:c5bf2000 r5:c5ad9b80

 4456 10:22:30.016190  # [   97.407022]  r4:c5ad9b80

 4457 10:22:30.016454  # [   97.409850] [<c059b150>] (ksys_write) from [<c059b254>] (sys_write+0x18/0x1c)

 4458 10:22:30.016716  # [   97.417278]  r9:c5bf2000 r8:c03002e4 r7:00000004 r6:b6f46e00 r5:00000017 r4:00000017

 4459 10:22:30.016972  # [   97.425318] [<c059b23c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 4460 10:22:30.059098  # [   97.433172] Exception stack(0xc5bf3fa8 to 0xc5bf3ff0)

 4461 10:22:30.059586  # [   97.438514] 3fa0:                   00000017 00000017 00000001 b6dff000 00000017 00000000

 4462 10:22:30.059911  # [   97.446984] 3fc0: 00000017 00000017 b6f46e00 00000004 00000001 00000000 00020000 beb49ac4

 4463 10:22:30.060190  # [   97.455445] 3fe0: 00000004 beb497f8 b6eb0d8f b6e377e6

 4464 10:22:30.060456  # [   97.460912] irq event stamp: 0

 4465 10:22:30.060714  # [   97.464279] hardirqs last  enabled at (0): [<00000000>] 0x0

 4466 10:22:30.060968  # [   97.470226] hardirqs last disabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 4467 10:22:30.109422  # [   97.478075] softirqs last  enabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 4468 10:22:30.109876  # [   97.485864] softirqs last disabled at (0): [<00000000>] 0x0

 4469 10:22:30.110189  # [   97.491790] ---[ end trace 184820ef97b03c3a ]---

 4470 10:22:30.110470  # [   97.496713] lkdtm: Saturation detected: still saturated

 4471 10:22:30.110762  # REFCOUNT_DEC_SATURATED: saw 'Saturation detected: still saturated': ok

 4472 10:22:30.111025  ok 53 selftests: lkdtm: REFCOUNT_DEC_SATURATED.sh

 4473 10:22:30.111284  # selftests: lkdtm: REFCOUNT_ADD_SATURATED.sh

 4474 10:22:30.249071  <6>[   98.106820] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED

 4475 10:22:30.249550  <6>[   98.113274] lkdtm: attempting bad refcount_dec() from saturated

 4476 10:22:30.249852  <4>[   98.119508] ------------[ cut here ]------------

 4477 10:22:30.250131  <4>[   98.124420] WARNING: CPU: 0 PID: 3002 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174

 4478 10:22:30.250399  <4>[   98.133205] refcount_t: saturated; leaking memory.

 4479 10:22:30.292388  <4>[   98.138312] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 4480 10:22:30.292880  <4>[   98.167917] CPU: 0 PID: 3002 Comm: cat Tainted: G      D W         5.10.182-cip34 #1

 4481 10:22:30.293183  <4>[   98.175932] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 4482 10:22:30.293463  <4>[   98.182728] Backtrace: 

 4483 10:22:30.293732  <4>[   98.185466] [<c137cc4c>] (dump_backtrace) from [<c137d00c>] (show_stack+0x20/0x24)

 4484 10:22:30.335554  <4>[   98.193311]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fdf8

 4485 10:22:30.336065  <4>[   98.199251] [<c137cfec>] (show_stack) from [<c1384268>] (dump_stack+0xe0/0x100)

 4486 10:22:30.336398  <4>[   98.206839] [<c1384188>] (dump_stack) from [<c0356820>] (__warn+0x98/0x14c)

 4487 10:22:30.336703  <4>[   98.214074]  r9:00000009 r8:c0873b88 r7:00000016 r6:00000009 r5:c0873b88 r4:c1a2419c

 4488 10:22:30.336994  <4>[   98.222093] [<c0356788>] (__warn) from [<c137e148>] (warn_slowpath_fmt+0x8c/0xa8)

 4489 10:22:30.337277  <4>[   98.229847]  r7:00000016 r6:c1a2419c r5:c1a24174 r4:c64e6000

 4490 10:22:30.379042  <4>[   98.235780] [<c137e0c0>] (warn_slowpath_fmt) from [<c0873b88>] (refcount_warn_saturate+0xd4/0x174)

 4491 10:22:30.379556  <4>[   98.245011]  r9:c1ad02c8 r8:c15ebcc8 r7:c64e7f60 r6:00000017 r5:c6453000 r4:c64e6000

 4492 10:22:30.379887  <4>[   98.253032] [<c0873ab4>] (refcount_warn_saturate) from [<c0c55830>] (__refcount_add.constprop.0+0x44/0x58)

 4493 10:22:30.380195  <4>[   98.262968] [<c0c557ec>] (__refcount_add.constprop.0) from [<c138b4e8>] (lkdtm_REFCOUNT_ADD_SATURATED+0x4c/0x70)

 4494 10:22:30.423106  <4>[   98.273420] [<c138b49c>] (lkdtm_REFCOUNT_ADD_SATURATED) from [<c0c547ac>] (lkdtm_do_action+0x2c/0x4c)

 4495 10:22:30.423619  <4>[   98.282907]  r4:00000037

 4496 10:22:30.423955  <4>[   98.285713] [<c0c54780>] (lkdtm_do_action) from [<c0c54cac>] (direct_entry+0x120/0x18c)

 4497 10:22:30.424262  <4>[   98.293994] [<c0c54b8c>] (direct_entry) from [<c07e05cc>] (full_proxy_write+0x64/0x94)

 4498 10:22:30.424556  <4>[   98.302185]  r9:c64e7f60 r8:c5360b40 r7:00000017 r6:b6e9f000 r5:c5c90000 r4:c0c54b8c

 4499 10:22:30.424845  <4>[   98.310208] [<c07e0568>] (full_proxy_write) from [<c059ac18>] (vfs_write+0x10c/0x53c)

 4500 10:22:30.467180  <4>[   98.318312]  r9:c07e0568 r8:c64e7f60 r7:c2815800 r6:b6e9f000 r5:c5c90000 r4:00000000

 4501 10:22:30.467694  <4>[   98.326329] [<c059ab0c>] (vfs_write) from [<c059b1c4>] (ksys_write+0x74/0xec)

 4502 10:22:30.468031  <4>[   98.333739]  r10:00000004 r9:00000000 r8:00000000 r7:b6e9f000 r6:c64e6000 r5:c5c90000

 4503 10:22:30.468332  <4>[   98.341835]  r4:c5c90000

 4504 10:22:30.468619  <4>[   98.344642] [<c059b150>] (ksys_write) from [<c059b254>] (sys_write+0x18/0x1c)

 4505 10:22:30.468903  <4>[   98.352050]  r9:c64e6000 r8:c03002e4 r7:00000004 r6:b6fe6e00 r5:00000017 r4:00000017

 4506 10:22:30.511107  <4>[   98.360070] [<c059b23c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 4507 10:22:30.511618  <4>[   98.367909] Exception stack(0xc64e7fa8 to 0xc64e7ff0)

 4508 10:22:30.511941  <4>[   98.373232] 7fa0:                   00000017 00000017 00000001 b6e9f000 00000017 00000000

 4509 10:22:30.512245  <4>[   98.381684] 7fc0: 00000017 00000017 b6fe6e00 00000004 00000001 00000000 00020000 bee34ac4

 4510 10:22:30.512537  <4>[   98.390129] 7fe0: 00000004 bee347f8 b6f50d8f b6ed77e6

 4511 10:22:30.512821  <4>[   98.395534] irq event stamp: 0

 4512 10:22:30.513098  <4>[   98.398903] hardirqs last  enabled at (0): [<00000000>] 0x0

 4513 10:22:30.554794  <4>[   98.404760] hardirqs last disabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 4514 10:22:30.554970  <4>[   98.412995] softirqs last  enabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 4515 10:22:30.555045  <4>[   98.420854] softirqs last disabled at (0): [<00000000>] 0x0

 4516 10:22:30.555103  <4>[   98.426705] ---[ end trace 184820ef97b03c3b ]---

 4517 10:22:30.555194  <6>[   98.431628] lkdtm: Saturation detected: still saturated

 4518 10:22:30.738664  # [    0.000000] cma: Reserved 64 MiB at 0x4c000000

 4519 10:22:30.739170  # [    0.000000] Zone ranges:

 4520 10:22:30.739494  # [    0.000000]   DMA      [mem 0x0000000010000000-0x000000003fffffff]

 4521 10:22:30.739799  # [    0.000000]   Normal   empty

 4522 10:22:30.740086  # [    0.000000]   HighMem  [mem 0x0000000040000000-0x000000004fffffff]

 4523 10:22:30.740367  # [    0.000000] Movable zone start for each node

 4524 10:22:30.740647  # [    0.000000] Early memory node ranges

 4525 10:22:30.740922  # [    0.000000]   node   0: [mem 0x0000000010000000-0x000000004fffffff]

 4526 10:22:30.781631  # [    0.000000] Initmem setup node 0 [mem 0x0000000010000000-0x000000004fffffff]

 4527 10:22:30.782150  # [    0.000000] On node 0 totalpages: 262144

 4528 10:22:30.782477  # [    0.000000]   DMA zone: 1536 pages used for memmap

 4529 10:22:30.782846  # [    0.000000]   DMA zone: 0 pages reserved

 4530 10:22:30.783148  # [    0.000000]   DMA zone: 196608 pages, LIFO batch:63

 4531 10:22:30.783434  # [    0.000000]   HighMem zone: 65536 pages, LIFO batch:15

 4532 10:22:30.783717  # [    0.000000] percpu: Embedded 21 pages/cpu s55468 r8192 d22356 u86016

 4533 10:22:30.783998  # [    0.000000] pcpu-alloc: s55468 r8192 d22356 u86016 alloc=21*4096

 4534 10:22:30.784272  # [    0.000000] pcpu-alloc: [0] 0 [0] 1 [0] 2 [0] 3 

 4535 10:22:30.824433  # [    0.000000] Built 1 zonelists, mobility grouping on.  Total pages: 260608

 4536 10:22:30.824948  # [    0.000000] Kernel command line: console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/10590651/extract-nfsrootfs-4kmfd9k3,tcp,hard console_msg_format=syslog earlycon ip=dhcp

 4537 10:22:30.825288  # [    0.000000] Dentry cache hash table entries: 131072 (order: 7, 524288 bytes, linear)

 4538 10:22:30.825590  # [    0.000000] Inode-cache hash table entries: 65536 (order: 6, 262144 bytes, linear)

 4539 10:22:30.867521  # [    0.000000] mem auto-init: stack:off, heap alloc:off, heap free:off

 4540 10:22:30.868036  # [    0.000000] Memory: 921416K/1048576K available (17408K kernel code, 2658K rwdata, 8112K rodata, 2048K init, 6692K bss, 61624K reserved, 65536K cma-reserved, 196608K highmem)

 4541 10:22:30.868368  # [    0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1

 4542 10:22:30.868673  # [    0.000000] ftrace: allocating 55481 entries in 163 pages

 4543 10:22:30.868966  # [    0.000000] ftrace: allocated 163 pages with 4 groups

 4544 10:22:30.869251  # [    0.000000] Running RCU self tests

 4545 10:22:30.911067  # [   98.106820] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED

 4546 10:22:30.911516  # [   98.113274] lkdtm: attempting bad refcount_dec() from saturated

 4547 10:22:30.911794  # [   98.119508] ------------[ cut here ]------------

 4548 10:22:30.912073  # [   98.124420] WARNING: CPU: 0 PID: 3002 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174

 4549 10:22:30.912343  # [   98.133205] refcount_t: saturated; leaking memory.

 4550 10:22:30.955248  # [   98.138312] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 4551 10:22:30.955734  # [   98.167917] CPU: 0 PID: 3002 Comm: cat Tainted: G      D W         5.10.182-cip34 #1

 4552 10:22:30.956046  # [   98.175932] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 4553 10:22:30.956324  # [   98.182728] Backtrace: 

 4554 10:22:30.956588  # [   98.185466] [<c137cc4c>] (dump_backtrace) from [<c137d00c>] (show_stack+0x20/0x24)

 4555 10:22:30.999140  # [   98.193311]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fdf8

 4556 10:22:30.999618  # [   98.199251] [<c137cfec>] (show_stack) from [<c1384268>] (dump_stack+0xe0/0x100)

 4557 10:22:30.999930  # [   98.206839] [<c1384188>] (dump_stack) from [<c0356820>] (__warn+0x98/0x14c)

 4558 10:22:31.000210  # [   98.214074]  r9:00000009 r8:c0873b88 r7:00000016 r6:00000009 r5:c0873b88 r4:c1a2419c

 4559 10:22:31.000481  # [   98.222093] [<c0356788>] (__warn) from [<c137e148>] (warn_slowpath_fmt+0x8c/0xa8)

 4560 10:22:31.000745  # [   98.229847]  r7:00000016 r6:c1a2419c r5:c1a24174 r4:c64e6000

 4561 10:22:31.042938  # [   98.235780] [<c137e0c0>] (warn_slowpath_fmt) from [<c0873b88>] (refcount_warn_saturate+0xd4/0x174)

 4562 10:22:31.043098  # [   98.245011]  r9:c1ad02c8 r8:c15ebcc8 r7:c64e7f60 r6:00000017 r5:c6453000 r4:c64e6000

 4563 10:22:31.043165  # [   98.253032] [<c0873ab4>] (refcount_warn_saturate) from [<c0c55830>] (__refcount_add.constprop.0+0x44/0x58)

 4564 10:22:31.043228  # [   98.262968] [<c0c557ec>] (__refcount_add.constprop.0) from [<c138b4e8>] (lkdtm_REFCOUNT_ADD_SATURATED+0x4c/0x70)

 4565 10:22:31.043287  # [   98.273420] [<c138b49c>] (lkdtm_REFCOUNT_ADD_SATURATED) from [<c0c547ac>] (lkdtm_do_action+0x2c/0x4c)

 4566 10:22:31.087246  # [   98.282907]  r4:00000037

 4567 10:22:31.087726  # [   98.285713] [<c0c54780>] (lkdtm_do_action) from [<c0c54cac>] (direct_entry+0x120/0x18c)

 4568 10:22:31.088037  # [   98.293994] [<c0c54b8c>] (direct_entry) from [<c07e05cc>] (full_proxy_write+0x64/0x94)

 4569 10:22:31.088315  # [   98.302185]  r9:c64e7f60 r8:c5360b40 r7:00000017 r6:b6e9f000 r5:c5c90000 r4:c0c54b8c

 4570 10:22:31.088584  # [   98.310208] [<c07e0568>] (full_proxy_write) from [<c059ac18>] (vfs_write+0x10c/0x53c)

 4571 10:22:31.088844  # [   98.318312]  r9:c07e0568 r8:c64e7f60 r7:c2815800 r6:b6e9f000 r5:c5c90000 r4:00000000

 4572 10:22:31.131261  # [   98.326329] [<c059ab0c>] (vfs_write) from [<c059b1c4>] (ksys_write+0x74/0xec)

 4573 10:22:31.131771  # [   98.333739]  r10:00000004 r9:00000000 r8:00000000 r7:b6e9f000 r6:c64e6000 r5:c5c90000

 4574 10:22:31.132106  # [   98.341835]  r4:c5c90000

 4575 10:22:31.132406  # [   98.344642] [<c059b150>] (ksys_write) from [<c059b254>] (sys_write+0x18/0x1c)

 4576 10:22:31.132697  # [   98.352050]  r9:c64e6000 r8:c03002e4 r7:00000004 r6:b6fe6e00 r5:00000017 r4:00000017

 4577 10:22:31.132981  # [   98.360070] [<c059b23c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 4578 10:22:31.175040  # [   98.367909] Exception stack(0xc64e7fa8 to 0xc64e7ff0)

 4579 10:22:31.175215  # [   98.373232] 7fa0:                   00000017 00000017 00000001 b6e9f000 00000017 00000000

 4580 10:22:31.175302  # [   98.381684] 7fc0: 00000017 00000017 b6fe6e00 00000004 00000001 00000000 00020000 bee34ac4

 4581 10:22:31.175380  # [   98.390129] 7fe0: 00000004 bee347f8 b6f50d8f b6ed77e6

 4582 10:22:31.175454  # [   98.395534] irq event stamp: 0

 4583 10:22:31.175527  # [   98.398903] hardirqs last  enabled at (0): [<00000000>] 0x0

 4584 10:22:31.175600  # [   98.404760] hardirqs last disabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 4585 10:22:31.219212  # [   98.412995] softirqs last  enabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 4586 10:22:31.219524  # [   98.420<6>[   99.075080] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED

 4587 10:22:31.219713  854] softirqs last disabled at (0<6>[   99.083851] lkdtm: attempting bad refcount_inc_not_zero() from saturated

 4588 10:22:31.219889  ): [<00000000>] 0x0

 4589 10:22:31.220048  # [   98.426<4>[   99.093616] ------------[ cut here ]------------

 4590 10:22:31.220202  705] ---[ end trace 184820ef97b03<4>[   99.101359] WARNING: CPU: 3 PID: 3034 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174

 4591 10:22:31.220358  c3b ]---

 4592 10:22:31.263360  # [   98.431628] lkdtm:<4>[   99.112892] refcount_t: saturated; leaking memory.

 4593 10:22:31.263844   Saturation detected: still satur<4>[   99.120810] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 4594 10:22:31.264160  ated

 4595 10:22:31.307018  # REFCOUNT_ADD_SATURATED: s<4>[   99.152809] CPU: 3 PID: 3034 Comm: cat Tainted: G      D W         5.10.182-cip34 #1

 4596 10:22:31.307224  aw 'Saturation detected: st<i4l>[   99.163584] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 4597 10:22:31.307328   saturated': ok

 4598 10:22:31.307420  ok 54 selftests:<4>[   99.172890] Backtrace: 

 4599 10:22:31.307509   lkdtm: REFCOUNT_ADD_SATURATED.sh<4>[   99.178496] [<c137cc4c>] (dump_backtrace) from [<c137d00c>] (show_stack+0x20/0x24)

 4600 10:22:31.307598  

 4601 10:22:31.307682  # selftests: lkdtm: REFCOUNT_IN<4>[   99.189174]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fdf8

 4602 10:22:31.307768  C_NOT_ZERO_SATURATED.sh

 4603 10:22:31.351241  <4>[   99.197971] [<c137cfec>] (show_stack) from [<c1384268>] (dump_stack+0xe0/0x100)

 4604 10:22:31.351596  <4>[   99.207714] [<c1384188>] (dump_stack) from [<c0356820>] (__warn+0x98/0x14c)

 4605 10:22:31.351810  <4>[   99.214971]  r9:00000009 r8:c0873b54 r7:00000013 r6:00000009 r5:c0873b54 r4:c1a2419c

 4606 10:22:31.352003  <4>[   99.223016] [<c0356788>] (__warn) from [<c137e148>] (warn_slowpath_fmt+0x8c/0xa8)

 4607 10:22:31.352188  <4>[   99.230788]  r7:00000013 r6:c1a2419c r5:c1a24174 r4:c47a6000

 4608 10:22:31.395352  <4>[   99.236747] [<c137e0c0>] (warn_slowpath_fmt) from [<c0873b54>] (refcount_warn_saturate+0xa0/0x174)

 4609 10:22:31.395824  <4>[   99.245999]  r9:c1ad02e0 r8:c15ebcc8 r7:c47a7f60 r6:00000020 r5:c62b3000 r4:c0000000

 4610 10:22:31.396120  <4>[   99.254049] [<c0873ab4>] (refcount_warn_saturate) from [<c138ad60>] (__refcount_add_not_zero.constprop.0+0x64/0x78)

 4611 10:22:31.396394  <4>[   99.264788] [<c138acfc>] (__refcount_add_not_zero.constprop.0) from [<c138b55c>] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x50/0x88)

 4612 10:22:31.396656  <4>[   99.276809]  r5:c62b3000 r4:c47a6000

 4613 10:22:31.439362  <4>[   99.280686] [<c138b50c>] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED) from [<c0c547ac>] (lkdtm_do_action+0x2c/0x4c)

 4614 10:22:31.439836  <4>[   99.290966]  r4:00000038

 4615 10:22:31.440130  <4>[   99.293793] [<c0c54780>] (lkdtm_do_action) from [<c0c54cac>] (direct_entry+0x120/0x18c)

 4616 10:22:31.440401  <4>[   99.302096] [<c0c54b8c>] (direct_entry) from [<c07e05cc>] (full_proxy_write+0x64/0x94)

 4617 10:22:31.440662  <4>[   99.310308]  r9:c47a7f60 r8:c5360b40 r7:00000020 r6:b6df2000 r5:c5954f00 r4:c0c54b8c

 4618 10:22:31.440916  <4>[   99.318354] [<c07e0568>] (full_proxy_write) from [<c059ac18>] (vfs_write+0x10c/0x53c)

 4619 10:22:31.483256  <4>[   99.326477]  r9:c07e0568 r8:c47a7f60 r7:c2815800 r6:b6df2000 r5:c5954f00 r4:00000000

 4620 10:22:31.483735  <4>[   99.334514] [<c059ab0c>] (vfs_write) from [<c059b1c4>] (ksys_write+0x74/0xec)

 4621 10:22:31.484046  <4>[   99.341942]  r10:00000004 r9:00000000 r8:00000000 r7:b6df2000 r6:c47a6000 r5:c5954f00

 4622 10:22:31.484324  <4>[   99.350051]  r4:c5954f00

 4623 10:22:31.484591  <4>[   99.352879] [<c059b150>] (ksys_write) from [<c059b254>] (sys_write+0x18/0x1c)

 4624 10:22:31.484855  <4>[   99.360307]  r9:c47a6000 r8:c03002e4 r7:00000004 r6:b6f39e00 r5:00000020 r4:00000020

 4625 10:22:31.527344  <4>[   99.368347] [<c059b23c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 4626 10:22:31.527821  <4>[   99.376201] Exception stack(0xc47a7fa8 to 0xc47a7ff0)

 4627 10:22:31.528131  <4>[   99.381545] 7fa0:                   00000020 00000020 00000001 b6df2000 00000020 00000000

 4628 10:22:31.528411  <4>[   99.390015] 7fc0: 00000020 00000020 b6f39e00 00000004 00000001 00000000 00020000 be8aeac4

 4629 10:22:31.528677  <4>[   99.398477] 7fe0: 00000004 be8ae7f8 b6ea3d8f b6e2a7e6

 4630 10:22:31.528937  <4>[   99.403966] irq event stamp: 0

 4631 10:22:31.529190  <4>[   99.407387] hardirqs last  enabled at (0): [<00000000>] 0x0

 4632 10:22:31.570804  <4>[   99.413275] hardirqs last disabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 4633 10:22:31.570884  <4>[   99.421122] softirqs last  enabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 4634 10:22:31.570991  <4>[   99.428966] softirqs last disabled at (0): [<00000000>] 0x0

 4635 10:22:31.571050  <4>[   99.434867] ---[ end trace 184820ef97b03c3c ]---

 4636 10:22:31.571140  <6>[   99.439902] lkdtm: Saturation detected: still saturated

 4637 10:22:31.747441  # [   99.075080] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED

 4638 10:22:31.747920  # [   99.083851] lkdtm: attempting bad refcount_inc_not_zero() from saturated

 4639 10:22:31.748224  # [   99.093616] ------------[ cut here ]------------

 4640 10:22:31.748501  # [   99.101359] WARNING: CPU: 3 PID: 3034 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174

 4641 10:22:31.748769  # [   99.112892] refcount_t: saturated; leaking memory.

 4642 10:22:31.791115  # [   99.120810] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 4643 10:22:31.791608  # [   99.152809] CPU: 3 PID: 3034 Comm: cat Tainted: G      D W         5.10.182-cip34 #1

 4644 10:22:31.791928  # [   99.163584] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 4645 10:22:31.792210  # [   99.172890] Backtrace: 

 4646 10:22:31.792477  # [   99.178496] [<c137cc4c>] (dump_backtrace) from [<c137d00c>] (show_stack+0x20/0x24)

 4647 10:22:31.835301  # [   99.189174]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fdf8

 4648 10:22:31.835811  # [   99.197971] [<c137cfec>] (show_stack) from [<c1384268>] (dump_stack+0xe0/0x100)

 4649 10:22:31.836147  # [   99.207714] [<c1384188>] (dump_stack) from [<c0356820>] (__warn+0x98/0x14c)

 4650 10:22:31.836450  # [   99.214971]  r9:00000009 r8:c0873b54 r7:00000013 r6:00000009 r5:c0873b54 r4:c1a2419c

 4651 10:22:31.836738  # [   99.223016] [<c0356788>] (__warn) from [<c137e148>] (warn_slowpath_fmt+0x8c/0xa8)

 4652 10:22:31.837024  # [   99.230788]  r7:00000013 r6:c1a2419c r5:c1a24174 r4:c47a6000

 4653 10:22:31.878918  # [   99.236747] [<c137e0c0>] (warn_slowpath_fmt) from [<c0873b54>] (refcount_warn_saturate+0xa0/0x174)

 4654 10:22:31.879077  # [   99.245999]  r9:c1ad02e0 r8:c15ebcc8 r7:c47a7f60 r6:00000020 r5:c62b3000 r4:c0000000

 4655 10:22:31.879144  # [   99.254049] [<c0873ab4>] (refcount_warn_saturate) from [<c138ad60>] (__refcount_add_not_zero.constprop.0+0x64/0x78)

 4656 10:22:31.879207  # [   99.264788] [<c138acfc>] (__refcount_add_not_zero.constprop.0) from [<c138b55c>] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x50/0x88)

 4657 10:22:31.879267  # [   99.276809]  r5:c62b3000 r4:c47a6000

 4658 10:22:31.923238  # [   99.280686] [<c138b50c>] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED) from [<c0c547ac>] (lkdtm_do_action+0x2c/0x4c)

 4659 10:22:31.923723  # [   99.290966]  r4:00000038

 4660 10:22:31.924055  # [   99.293793] [<c0c54780>] (lkdtm_do_action) from [<c0c54cac>] (direct_entry+0x120/0x18c)

 4661 10:22:31.924337  # [   99.302096] [<c0c54b8c>] (direct_entry) from [<c07e05cc>] (full_proxy_write+0x64/0x94)

 4662 10:22:31.924604  # [   99.310308]  r9:c47a7f60 r8:c5360b40 r7:00000020 r6:b6df2000 r5:c5954f00 r4:c0c54b8c

 4663 10:22:31.967233  # [   99.318354] [<c07e0568>] (full_proxy_write) from [<c059ac18>] (vfs_write+0x10c/0x53c)

 4664 10:22:31.967717  # [   99.326477]  r9:c07e0568 r8:c47a7f60 r7:c2815800 r6:b6df2000 r5:c5954f00 r4:00000000

 4665 10:22:31.968054  # [   99.334514] [<c059ab0c>] (vfs_write) from [<c059b1c4>] (ksys_write+0x74/0xec)

 4666 10:22:31.968336  # [   99.341942]  r10:00000004 r9:00000000 r8:00000000 r7:b6df2000 r6:c47a6000 r5:c5954f00

 4667 10:22:31.968600  # [   99.350051]  r4:c5954f00

 4668 10:22:31.968857  # [   99.352879] [<c059b150>] (ksys_write) from [<c059b254>] (sys_write+0x18/0x1c)

 4669 10:22:31.969113  # [   99.360307]  r9:c47a6000 r8:c03002e4 r7:00000004 r6:b6f39e00 r5:00000020 r4:00000020

 4670 10:22:32.011273  # [   99.368347] [<c059b23c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 4671 10:22:32.011750  # [   99.376201] Exception stack(0xc47a7fa8 to 0xc47a7ff0)

 4672 10:22:32.012065  # [   99.381545] 7fa0:                   00000020 00000020 00000001 b6df2000 00000020 00000000

 4673 10:22:32.012346  # [   99.390015] 7fc0: 00000020 00000020 b6f39e00 00000004 00000001 00000000 00020000 be8aeac4

 4674 10:22:32.012613  # [   99.398477] 7fe0: 00000004 be8ae7f8 b6ea3d8f b6e2a7e6

 4675 10:22:32.012873  # [   99.403966] irq event stamp: 0

 4676 10:22:32.013131  # [   99.407387] hardirqs last  enabled at (0): [<00000000>] 0x0

 4677 10:22:32.055218  # [   99.413275] hardirqs last disabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 4678 10:22:32.055671  # [   99.421122] softirqs last  enabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 4679 10:22:32.055967  # [   99.428966] softirqs last disabled at (0): [<00000000>] 0x0

 4680 10:22:32.056225  # [   99.434867] ---[ end trace 184820ef97b03c3c ]---

 4681 10:22:32.056470  # [   99.439902] lkdtm: Saturation detected: still saturated

 4682 10:22:32.056711  # REFCOUNT_INC_NOT_ZERO_SATURATED: missing 'call trace:': [FAIL]

 4683 10:22:32.056948  not ok 55 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh # exit=1

 4684 10:22:32.099385  # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh

 4685 10:22:32.187401  <6>[  100.041873] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED

 4686 10:22:32.187884  <6>[  100.049105] lkdtm: attempting bad refcount_add_not_zero() from saturated

 4687 10:22:32.188190  <4>[  100.056084] ------------[ cut here ]------------

 4688 10:22:32.188470  <4>[  100.061033] WARNING: CPU: 0 PID: 3068 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174

 4689 10:22:32.188742  <4>[  100.069814] refcount_t: saturated; leaking memory.

 4690 10:22:32.231067  <4>[  100.074881] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 4691 10:22:32.231563  <4>[  100.104486] CPU: 0 PID: 3068 Comm: cat Tainted: G      D W         5.10.182-cip34 #1

 4692 10:22:32.231869  <4>[  100.112502] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 4693 10:22:32.232154  <4>[  100.119300] Backtrace: 

 4694 10:22:32.232423  <4>[  100.122042] [<c137cc4c>] (dump_backtrace) from [<c137d00c>] (show_stack+0x20/0x24)

 4695 10:22:32.275109  <4>[  100.129886]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fdf8

 4696 10:22:32.275586  <4>[  100.135823] [<c137cfec>] (show_stack) from [<c1384268>] (dump_stack+0xe0/0x100)

 4697 10:22:32.275903  <4>[  100.143416] [<c1384188>] (dump_stack) from [<c0356820>] (__warn+0x98/0x14c)

 4698 10:22:32.276184  <4>[  100.150653]  r9:00000009 r8:c0873b54 r7:00000013 r6:00000009 r5:c0873b54 r4:c1a2419c

 4699 10:22:32.276453  <4>[  100.158673] [<c0356788>] (__warn) from [<c137e148>] (warn_slowpath_fmt+0x8c/0xa8)

 4700 10:22:32.276720  <4>[  100.166427]  r7:00000013 r6:c1a2419c r5:c1a24174 r4:c4762000

 4701 10:22:32.319274  <4>[  100.172363] [<c137e0c0>] (warn_slowpath_fmt) from [<c0873b54>] (refcount_warn_saturate+0xa0/0x174)

 4702 10:22:32.319790  <4>[  100.181594]  r9:c1ad0300 r8:c15ebcc8 r7:c4763f60 r6:00000020 r5:c6456000 r4:c0000000

 4703 10:22:32.320132  <4>[  100.189619] [<c0873ab4>] (refcount_warn_saturate) from [<c138ad60>] (__refcount_add_not_zero.constprop.0+0x64/0x78)

 4704 10:22:32.320438  <4>[  100.200334] [<c138acfc>] (__refcount_add_not_zero.constprop.0) from [<c138b5e4>] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x50/0x88)

 4705 10:22:32.320729  <4>[  100.212339]  r5:c6456000 r4:c4762000

 4706 10:22:32.363253  <4>[  100.216194] [<c138b594>] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED) from [<c0c547ac>] (lkdtm_do_action+0x2c/0x4c)

 4707 10:22:32.363765  <4>[  100.226461]  r4:00000039

 4708 10:22:32.364102  <4>[  100.229270] [<c0c54780>] (lkdtm_do_action) from [<c0c54cac>] (direct_entry+0x120/0x18c)

 4709 10:22:32.364406  <4>[  100.237553] [<c0c54b8c>] (direct_entry) from [<c07e05cc>] (full_proxy_write+0x64/0x94)

 4710 10:22:32.364696  <4>[  100.245742]  r9:c4763f60 r8:c5360b40 r7:00000020 r6:b6e15000 r5:c5c91900 r4:c0c54b8c

 4711 10:22:32.364982  <4>[  100.253765] [<c07e0568>] (full_proxy_write) from [<c059ac18>] (vfs_write+0x10c/0x53c)

 4712 10:22:32.407260  <4>[  100.261867]  r9:c07e0568 r8:c4763f60 r7:c2815800 r6:b6e15000 r5:c5c91900 r4:00000000

 4713 10:22:32.407776  <4>[  100.269884] [<c059ab0c>] (vfs_write) from [<c059b1c4>] (ksys_write+0x74/0xec)

 4714 10:22:32.408115  <4>[  100.277292]  r10:00000004 r9:00000000 r8:00000000 r7:b6e15000 r6:c4762000 r5:c5c91900

 4715 10:22:32.408421  <4>[  100.285389]  r4:c5c91900

 4716 10:22:32.408710  <4>[  100.288197] [<c059b150>] (ksys_write) from [<c059b254>] (sys_write+0x18/0x1c)

 4717 10:22:32.408998  <4>[  100.295606]  r9:c4762000 r8:c03002e4 r7:00000004 r6:b6f5ce00 r5:00000020 r4:00000020

 4718 10:22:32.451262  <4>[  100.303626] [<c059b23c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 4719 10:22:32.451776  <4>[  100.311466] Exception stack(0xc4763fa8 to 0xc4763ff0)

 4720 10:22:32.452117  <4>[  100.316790] 3fa0:                   00000020 00000020 00000001 b6e15000 00000020 00000000

 4721 10:22:32.452424  <4>[  100.325241] 3fc0: 00000020 00000020 b6f5ce00 00000004 00000001 00000000 00020000 be909ac4

 4722 10:22:32.452716  <4>[  100.333688] 3fe0: 00000004 be9097f8 b6ec6d8f b6e4d7e6

 4723 10:22:32.453000  <4>[  100.339057] irq event stamp: 0

 4724 10:22:32.453283  <4>[  100.342394] hardirqs last  enabled at (0): [<00000000>] 0x0

 4725 10:22:32.494781  <4>[  100.348281] hardirqs last disabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 4726 10:22:32.494861  <4>[  100.356046] softirqs last  enabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 4727 10:22:32.494962  <4>[  100.363862] softirqs last disabled at (0): [<00000000>] 0x0

 4728 10:22:32.495019  <4>[  100.369760] ---[ end trace 184820ef97b03c3d ]---

 4729 10:22:32.495104  <6>[  100.374658] lkdtm: Saturation detected: still saturated

 4730 10:22:32.683915  # [  100.041873] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED

 4731 10:22:32.684391  # [  100.049105] lkdtm: attempting bad refcount_add_not_zero() from saturated

 4732 10:22:32.684692  # [  100.056084] ------------[ cut here ]------------

 4733 10:22:32.684973  # [  100.061033] WARNING: CPU: 0 PID: 3068 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174

 4734 10:22:32.685244  # [  100.069814] refcount_t: saturated; leaking memory.

 4735 10:22:32.727378  # [  100.074881] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 4736 10:22:32.727873  # [  100.104486] CPU: 0 PID: 3068 Comm: cat Tainted: G      D W         5.10.182-cip34 #1

 4737 10:22:32.728182  # [  100.112502] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 4738 10:22:32.728459  # [  100.119300] Backtrace: 

 4739 10:22:32.728727  # [  100.122042] [<c137cc4c>] (dump_backtrace) from [<c137d00c>] (show_stack+0x20/0x24)

 4740 10:22:32.771091  # [  100.129886]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fdf8

 4741 10:22:32.771573  # [  100.135823] [<c137cfec>] (show_stack) from [<c1384268>] (dump_stack+0xe0/0x100)

 4742 10:22:32.771877  # [  100.143416] [<c1384188>] (dump_stack) from [<c0356820>] (__warn+0x98/0x14c)

 4743 10:22:32.772158  # [  100.150653]  r9:00000009 r8:c0873b54 r7:00000013 r6:00000009 r5:c0873b54 r4:c1a2419c

 4744 10:22:32.772428  # [  100.158673] [<c0356788>] (__warn) from [<c137e148>] (warn_slowpath_fmt+0x8c/0xa8)

 4745 10:22:32.772694  # [  100.166427]  r7:00000013 r6:c1a2419c r5:c1a24174 r4:c4762000

 4746 10:22:32.814926  # [  100.172363] [<c137e0c0>] (warn_slowpath_fmt) from [<c0873b54>] (refcount_warn_saturate+0xa0/0x174)

 4747 10:22:32.815087  # [  100.181594]  r9:c1ad0300 r8:c15ebcc8 r7:c4763f60 r6:00000020 r5:c6456000 r4:c0000000

 4748 10:22:32.815166  # [  100.189619] [<c0873ab4>] (refcount_warn_saturate) from [<c138ad60>] (__refcount_add_not_zero.constprop.0+0x64/0x78)

 4749 10:22:32.815236  # [  100.200334] [<c138acfc>] (__refcount_add_not_zero.constprop.0) from [<c138b5e4>] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x50/0x88)

 4750 10:22:32.815302  # [  100.212339]  r5:c6456000 r4:c4762000

 4751 10:22:32.858963  # [  100.216194] [<c138b594>] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED) from [<c0c547ac>] (lkdtm_do_action+0x2c/0x4c)

 4752 10:22:32.859239  # [  100.226461]  r4:00000039

 4753 10:22:32.859400  # [  100.229270] [<c0c54780>] (lkdtm_do_action) from [<c0c54cac>] (direct_entry+0x120/0x18c)

 4754 10:22:32.859549  # [  100.237553] [<c0c54b8c>] (direct_entry) from [<c07e05cc>] (full_proxy_write+0x64/0x94)

 4755 10:22:32.859691  # [  100.245742]  r9:c4763f60 r8:c5360b40 r7:00000020 r6:b6e15000 r5:c5c91900 r4:c0c54b8c

 4756 10:22:32.903111  # [  100.253765] [<c07e0568>] (full_proxy_write) from [<c059ac18>] (vfs_write+0x10c/0x53c)

 4757 10:22:32.903599  # [  100.261867]  r9:c07e0568 r8:c4763f60 r7:c2815800 r6:b6e15000 r5:c5c91900 r4:00000000

 4758 10:22:32.903923  # [  100.269884] [<c059ab0c>] (vfs_write) from [<c059b1c4>] (ksys_write+0x74/0xec)

 4759 10:22:32.904203  # [  100.277292]  r10:00000004 r9:00000000 r8:00000000 r7:b6e15000 r6:c4762000 r5:c5c91900

 4760 10:22:32.904474  # [  100.285389]  r4:c5c91900

 4761 10:22:32.904734  # [  100.288197] [<c059b150>] (ksys_write) from [<c059b254>] (sys_write+0x18/0x1c)

 4762 10:22:32.905004  # [  100.295606]  r9:c4762000 r8:c03002e4 r7:00000004 r6:b6f5ce00 r5:00000020 r4:00000020

 4763 10:22:32.947019  # [  100.303626] [<c059b23c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 4764 10:22:32.947369  # [  100.311466] Exception stack(0xc4763fa8 to 0xc4763ff0)

 4765 10:22:32.947644  # [  100.316790] 3fa0:                   00000020 00000020 00000001 b6e15000 00000020 00000000

 4766 10:22:32.947902  # [  100.325241] 3fc0: 00000020 00000020 b6f5ce00 00000004 00000001 00000000 00020000 be909ac4

 4767 10:22:32.948148  # [  100.333688] 3fe0: 00000004 be9097f8 b6ec6d8f b6e4d7e6

 4768 10:22:32.948387  # [  100.339057] irq event stamp: 0

 4769 10:22:32.948625  # [  100.342394] hardirqs last  enabled at (0): [<00000000>] 0x0

 4770 10:22:32.991224  # [  100.348281] hardirqs last disabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 4771 10:22:32.991679  # [  100.356046] softirqs last  enabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 4772 10:22:32.991978  # [  100.363862] softirqs last disabled at (0): [<00000000>] 0x0

 4773 10:22:32.992237  # [  100.369760] ---[ end trace 184820ef97b03c3d ]---

 4774 10:22:32.992486  # [  100.374658] lkdtm: Saturation detected: still saturated

 4775 10:22:32.992730  # REFCOUNT_ADD_NOT_ZERO_SATURATED: missing 'call trace:': [FAIL]

 4776 10:22:32.992967  not ok 56 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh # exit=1

 4777 10:22:33.035354  # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh

 4778 10:22:33.130512  <6>[  100.988449] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED

 4779 10:22:33.131017  <6>[  100.995639] lkdtm: attempting bad refcount_dec_and_test() from saturated

 4780 10:22:33.131325  <4>[  101.002702] ------------[ cut here ]------------

 4781 10:22:33.131606  <4>[  101.007689] WARNING: CPU: 3 PID: 3105 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174

 4782 10:22:33.131872  <4>[  101.016489] refcount_t: underflow; use-after-free.

 4783 10:22:33.173630  <4>[  101.021624] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 4784 10:22:33.174125  <4>[  101.051113] CPU: 3 PID: 3105 Comm: cat Tainted: G      D W         5.10.182-cip34 #1

 4785 10:22:33.174436  <4>[  101.059130] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 4786 10:22:33.174744  <4>[  101.065925] Backtrace: 

 4787 10:22:33.216955  <4>[  101.068663] [<c137cc4c>] (dump_backtrace) from [<c137d00c>] (show_stack+0x20/0x24)

 4788 10:22:33.217440  <4>[  101.076506]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fdf8

 4789 10:22:33.217744  <4>[  101.082444] [<c137cfec>] (show_stack) from [<c1384268>] (dump_stack+0xe0/0x100)

 4790 10:22:33.218024  <4>[  101.090033] [<c1384188>] (dump_stack) from [<c0356820>] (__warn+0x98/0x14c)

 4791 10:22:33.218292  <4>[  101.097271]  r9:00000009 r8:c0873bf0 r7:0000001c r6:00000009 r5:c0873bf0 r4:c1a2419c

 4792 10:22:33.218555  <4>[  101.105291] [<c0356788>] (__warn) from [<c137e148>] (warn_slowpath_fmt+0x8c/0xa8)

 4793 10:22:33.260145  <4>[  101.113045]  r7:0000001c r6:c1a2419c r5:c1a241d8 r4:c5b26000

 4794 10:22:33.260660  <4>[  101.118982] [<c137e0c0>] (warn_slowpath_fmt) from [<c0873bf0>] (refcount_warn_saturate+0x13c/0x174)

 4795 10:22:33.260996  <4>[  101.128300]  r9:c1ad0320 r8:c15ebcc8 r7:c5b27f60 r6:00000020 r5:c63b1000 r4:c5b26000

 4796 10:22:33.261306  <4>[  101.136322] [<c0873ab4>] (refcount_warn_saturate) from [<c0c558a8>] (__refcount_sub_and_test.constprop.0+0x64/0x6c)

 4797 10:22:33.261601  <4>[  101.147039] [<c0c55844>] (__refcount_sub_and_test.constprop.0) from [<c138b66c>] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x50/0x88)

 4798 10:22:33.303162  <4>[  101.159053] [<c138b61c>] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED) from [<c0c547ac>] (lkdtm_do_action+0x2c/0x4c)

 4799 10:22:33.303639  <4>[  101.169320]  r4:0000003a

 4800 10:22:33.303938  <4>[  101.172128] [<c0c54780>] (lkdtm_do_action) from [<c0c54cac>] (direct_entry+0x120/0x18c)

 4801 10:22:33.304217  <4>[  101.180412] [<c0c54b8c>] (direct_entry) from [<c07e05cc>] (full_proxy_write+0x64/0x94)

 4802 10:22:33.304484  <4>[  101.188601]  r9:c5b27f60 r8:c5360b40 r7:00000020 r6:b6dce000 r5:c5a26280 r4:c0c54b8c

 4803 10:22:33.304747  <4>[  101.196623] [<c07e0568>] (full_proxy_write) from [<c059ac18>] (vfs_write+0x10c/0x53c)

 4804 10:22:33.347102  <4>[  101.204724]  r9:c07e0568 r8:c5b27f60 r7:c2815800 r6:b6dce000 r5:c5a26280 r4:00000000

 4805 10:22:33.347586  <4>[  101.212740] [<c059ab0c>] (vfs_write) from [<c059b1c4>] (ksys_write+0x74/0xec)

 4806 10:22:33.347904  <4>[  101.220149]  r10:00000004 r9:00000000 r8:00000000 r7:b6dce000 r6:c5b26000 r5:c5a26280

 4807 10:22:33.348204  <4>[  101.228246]  r4:c5a26280

 4808 10:22:33.348476  <4>[  101.231055] [<c059b150>] (ksys_write) from [<c059b254>] (sys_write+0x18/0x1c)

 4809 10:22:33.348741  <4>[  101.238463]  r9:c5b26000 r8:c03002e4 r7:00000004 r6:b6f15e00 r5:00000020 r4:00000020

 4810 10:22:33.391094  <4>[  101.246484] [<c059b23c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 4811 10:22:33.391608  <4>[  101.254323] Exception stack(0xc5b27fa8 to 0xc5b27ff0)

 4812 10:22:33.391949  <4>[  101.259648] 7fa0:                   00000020 00000020 00000001 b6dce000 00000020 00000000

 4813 10:22:33.392256  <4>[  101.268099] 7fc0: 00000020 00000020 b6f15e00 00000004 00000001 00000000 00020000 beff4ac4

 4814 10:22:33.392548  <4>[  101.276545] 7fe0: 00000004 beff47f8 b6e7fd8f b6e067e6

 4815 10:22:33.392832  <4>[  101.281937] irq event stamp: 0

 4816 10:22:33.393108  <4>[  101.285277] hardirqs last  enabled at (0): [<00000000>] 0x0

 4817 10:22:33.434783  <4>[  101.291170] hardirqs last disabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 4818 10:22:33.434862  <4>[  101.299003] softirqs last  enabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 4819 10:22:33.434926  <4>[  101.306784] softirqs last disabled at (0): [<00000000>] 0x0

 4820 10:22:33.434983  <4>[  101.312674] ---[ end trace 184820ef97b03c3e ]---

 4821 10:22:33.435038  <6>[  101.317608] lkdtm: Saturation detected: still saturated

 4822 10:22:33.603470  # [  100.988449] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED

 4823 10:22:33.603952  # [  100.995639] lkdtm: attempting bad refcount_dec_and_test() from saturated

 4824 10:22:33.604254  # [  101.002702] ------------[ cut here ]------------

 4825 10:22:33.604532  # [  101.007689] WARNING: CPU: 3 PID: 3105 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174

 4826 10:22:33.604800  # [  101.016489] refcount_t: underflow; use-after-free.

 4827 10:22:33.647011  # [  101.021624] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 4828 10:22:33.647482  # [  101.051113] CPU: 3 PID: 3105 Comm: cat Tainted: G      D W         5.10.182-cip34 #1

 4829 10:22:33.647766  # [  101.059130] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 4830 10:22:33.648047  # [  101.065925] Backtrace: 

 4831 10:22:33.648313  # [  101.068663] [<c137cc4c>] (dump_backtrace) from [<c137d00c>] (show_stack+0x20/0x24)

 4832 10:22:33.691240  # [  101.076506]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fdf8

 4833 10:22:33.691723  # [  101.082444] [<c137cfec>] (show_stack) from [<c1384268>] (dump_stack+0xe0/0x100)

 4834 10:22:33.692039  # [  101.090033] [<c1384188>] (dump_stack) from [<c0356820>] (__warn+0x98/0x14c)

 4835 10:22:33.692317  # [  101.097271]  r9:00000009 r8:c0873bf0 r7:0000001c r6:00000009 r5:c0873bf0 r4:c1a2419c

 4836 10:22:33.692587  # [  101.105291] [<c0356788>] (__warn) from [<c137e148>] (warn_slowpath_fmt+0x8c/0xa8)

 4837 10:22:33.692848  # [  101.113045]  r7:0000001c r6:c1a2419c r5:c1a241d8 r4:c5b26000

 4838 10:22:33.735093  # [  101.118982] [<c137e0c0>] (warn_slowpath_fmt) from [<c0873bf0>] (refcount_warn_saturate+0x13c/0x174)

 4839 10:22:33.735578  # [  101.128300]  r9:c1ad0320 r8:c15ebcc8 r7:c5b27f60 r6:00000020 r5:c63b1000 r4:c5b26000

 4840 10:22:33.735910  # [  101.136322] [<c0873ab4>] (refcount_warn_saturate) from [<c0c558a8>] (__refcount_sub_and_test.constprop.0+0x64/0x6c)

 4841 10:22:33.736197  # [  101.147039] [<c0c55844>] (__refcount_sub_and_test.constprop.0) from [<c138b66c>] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x50/0x88)

 4842 10:22:33.779021  # [  101.159053] [<c138b61c>] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED) from [<c0c547ac>] (lkdtm_do_action+0x2c/0x4c)

 4843 10:22:33.779497  # [  101.169320]  r4:0000003a

 4844 10:22:33.779819  # [  101.172128] [<c0c54780>] (lkdtm_do_action) from [<c0c54cac>] (direct_entry+0x120/0x18c)

 4845 10:22:33.780101  # [  101.180412] [<c0c54b8c>] (direct_entry) from [<c07e05cc>] (full_proxy_write+0x64/0x94)

 4846 10:22:33.780371  # [  101.188601]  r9:c5b27f60 r8:c5360b40 r7:00000020 r6:b6dce000 r5:c5a26280 r4:c0c54b8c

 4847 10:22:33.780634  # [  101.196623] [<c07e0568>] (full_proxy_write) from [<c059ac18>] (vfs_write+0x10c/0x53c)

 4848 10:22:33.822899  # [  101.204724]  r9:c07e0568 r8:c5b27f60 r7:c2815800 r6:b6dce000 r5:c5a26280 r4:00000000

 4849 10:22:33.823052  # [  101.212740] [<c059ab0c>] (vfs_write) from [<c059b1c4>] (ksys_write+0x74/0xec)

 4850 10:22:33.823115  # [  101.220149]  r10:00000004 r9:00000000 r8:00000000 r7:b6dce000 r6:c5b26000 r5:c5a26280

 4851 10:22:33.823173  # [  101.228246]  r4:c5a26280

 4852 10:22:33.823227  # [  101.231055] [<c059b150>] (ksys_write) from [<c059b254>] (sys_write+0x18/0x1c)

 4853 10:22:33.823297  # [  101.238463]  r9:c5b26000 r8:c03002e4 r7:00000004 r6:b6f15e00 r5:00000020 r4:00000020

 4854 10:22:33.867068  # [  101.246484] [<c059b23c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 4855 10:22:33.867332  # [  101.254323] Exception stack(0xc5b27fa8 to 0xc5b27ff0)

 4856 10:22:33.867495  # [  101.259648] 7fa0:                   00000020 00000020 00000001 b6dce000 00000020 00000000

 4857 10:22:33.867645  # [  101.268099] 7fc0: 00000020 00000020 b6f15e00 00000004 00000001 00000000 00020000 beff4ac4

 4858 10:22:33.867784  # [  101.276545] 7fe0: 00000004 beff47f8 b6e7fd8f b6e067e6

 4859 10:22:33.867921  # [  101.281937] irq event stamp: 0

 4860 10:22:33.868050  # [  101.285277] hardirqs last  enabled at (0): [<00000000>] 0x0

 4861 10:22:33.914898  # [  101.291170] hardirqs last disabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 4862 10:22:33.915423  # [  101.299003] softirqs last  enabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 4863 10:22:33.915755  # [  101.306784] softirqs last disabled at (0): [<00000000>] 0x0

 4864 10:22:33.916058  # [  101.312674] ---[ end trace 184820ef97b03c3e ]---

 4865 10:22:33.916349  # [  101.317608] lkdtm: Saturation detected: still saturated

 4866 10:22:33.916635  # REFCOUNT_DEC_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok

 4867 10:22:33.916912  ok 57 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh

 4868 10:22:33.917191  # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh

 4869 10:22:34.046195  <6>[  101.903409] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED

 4870 10:22:34.046700  <6>[  101.910772] lkdtm: attempting bad refcount_sub_and_test() from saturated

 4871 10:22:34.047010  <4>[  101.917909] ------------[ cut here ]------------

 4872 10:22:34.047292  <4>[  101.922854] WARNING: CPU: 2 PID: 3140 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174

 4873 10:22:34.047562  <4>[  101.931766] refcount_t: underflow; use-after-free.

 4874 10:22:34.089743  <4>[  101.936854] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 4875 10:22:34.090272  <4>[  101.967018] CPU: 2 PID: 3140 Comm: cat Tainted: G      D W         5.10.182-cip34 #1

 4876 10:22:34.090631  <4>[  101.975053] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 4877 10:22:34.090941  <4>[  101.981865] Backtrace: 

 4878 10:22:34.133074  <4>[  101.984637] [<c137cc4c>] (dump_backtrace) from [<c137d00c>] (show_stack+0x20/0x24)

 4879 10:22:34.133557  <4>[  101.992499]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fdf8

 4880 10:22:34.133863  <4>[  101.998463] [<c137cfec>] (show_stack) from [<c1384268>] (dump_stack+0xe0/0x100)

 4881 10:22:34.134142  <4>[  102.006078] [<c1384188>] (dump_stack) from [<c0356820>] (__warn+0x98/0x14c)

 4882 10:22:34.134412  <4>[  102.013332]  r9:00000009 r8:c0873bf0 r7:0000001c r6:00000009 r5:c0873bf0 r4:c1a2419c

 4883 10:22:34.134704  <4>[  102.021374] [<c0356788>] (__warn) from [<c137e148>] (warn_slowpath_fmt+0x8c/0xa8)

 4884 10:22:34.176420  <4>[  102.029145]  r7:0000001c r6:c1a2419c r5:c1a241d8 r4:c5962000

 4885 10:22:34.176939  <4>[  102.035103] [<c137e0c0>] (warn_slowpath_fmt) from [<c0873bf0>] (refcount_warn_saturate+0x13c/0x174)

 4886 10:22:34.177275  <4>[  102.044440]  r9:c1ad0340 r8:c15ebcc8 r7:c5963f60 r6:00000020 r5:c2c53000 r4:c5962000

 4887 10:22:34.177580  <4>[  102.052485] [<c0873ab4>] (refcount_warn_saturate) from [<c0c558a8>] (__refcount_sub_and_test.constprop.0+0x64/0x6c)

 4888 10:22:34.177872  <4>[  102.063232] [<c0c55844>] (__refcount_sub_and_test.constprop.0) from [<c138b6f4>] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x50/0x88)

 4889 10:22:34.219526  <4>[  102.075267] [<c138b6a4>] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED) from [<c0c547ac>] (lkdtm_do_action+0x2c/0x4c)

 4890 10:22:34.220042  <4>[  102.085549]  r4:0000003b

 4891 10:22:34.220374  <4>[  102.088376] [<c0c54780>] (lkdtm_do_action) from [<c0c54cac>] (direct_entry+0x120/0x18c)

 4892 10:22:34.220680  <4>[  102.096682] [<c0c54b8c>] (direct_entry) from [<c07e05cc>] (full_proxy_write+0x64/0x94)

 4893 10:22:34.220973  <4>[  102.104891]  r9:c5963f60 r8:c5360b40 r7:00000020 r6:b6e60000 r5:c5a10140 r4:c0c54b8c

 4894 10:22:34.221262  <4>[  102.112937] [<c07e0568>] (full_proxy_write) from [<c059ac18>] (vfs_write+0x10c/0x53c)

 4895 10:22:34.263209  <4>[  102.121059]  r9:c07e0568 r8:c5963f60 r7:c2815800 r6:b6e60000 r5:c5a10140 r4:00000000

 4896 10:22:34.263727  <4>[  102.129095] [<c059ab0c>] (vfs_write) from [<c059b1c4>] (ksys_write+0x74/0xec)

 4897 10:22:34.264058  <4>[  102.136522]  r10:00000004 r9:00000000 r8:00000000 r7:b6e60000 r6:c5962000 r5:c5a10140

 4898 10:22:34.264360  <4>[  102.144631]  r4:c5a10140

 4899 10:22:34.264650  <4>[  102.147459] [<c059b150>] (ksys_write) from [<c059b254>] (sys_write+0x18/0x1c)

 4900 10:22:34.264934  <4>[  102.154887]  r9:c5962000 r8:c03002e4 r7:00000004 r6:b6fa7e00 r5:00000020 r4:00000020

 4901 10:22:34.307074  <4>[  102.162927] [<c059b23c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 4902 10:22:34.307606  <4>[  102.170782] Exception stack(0xc5963fa8 to 0xc5963ff0)

 4903 10:22:34.307945  <4>[  102.176126] 3fa0:                   00000020 00000020 00000001 b6e60000 00000020 00000000

 4904 10:22:34.308256  <4>[  102.184598] 3fc0: 00000020 00000020 b6fa7e00 00000004 00000001 00000000 00020000 bede1ac4

 4905 10:22:34.308549  <4>[  102.193062] 3fe0: 00000004 bede17f8 b6f11d8f b6e987e6

 4906 10:22:34.308835  <4>[  102.198576] irq event stamp: 0

 4907 10:22:34.309113  <4>[  102.201947] hardirqs last  enabled at (0): [<00000000>] 0x0

 4908 10:22:34.350924  <4>[  102.207906] hardirqs last disabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 4909 10:22:34.351078  <4>[  102.215741] softirqs last  enabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 4910 10:22:34.351140  <4>[  102.223651] softirqs last disabled at (0): [<00000000>] 0x0

 4911 10:22:34.351199  <4>[  102.229595] ---[ end trace 184820ef97b03c3f ]---

 4912 10:22:34.351255  <6>[  102.234515] lkdtm: Saturation detected: still saturated

 4913 10:22:34.512988  # [  101.903409] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED

 4914 10:22:34.513470  # [  101.910772] lkdtm: attempting bad refcount_sub_and_test() from saturated

 4915 10:22:34.513778  # [  101.917909] ------------[ cut here ]------------

 4916 10:22:34.514057  # [  101.922854] WARNING: CPU: 2 PID: 3140 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174

 4917 10:22:34.514326  # [  101.931766] refcount_t: underflow; use-after-free.

 4918 10:22:34.555931  # [  101.936854] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 phy_generic snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam error flexcan can_dev parallel_display imx_ldb dw_hdmi_imx dw_hdmi etnaviv gpu_sched imxdrm imx_ipu_v3

 4919 10:22:34.556441  # [  101.967018] CPU: 2 PID: 3140 Comm: cat Tainted: G      D W         5.10.182-cip34 #1

 4920 10:22:34.556747  # [  101.975053] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 4921 10:22:34.557026  # [  101.981865] Backtrace: 

 4922 10:22:34.599176  # [  101.984637] [<c137cc4c>] (dump_backtrace) from [<c137d00c>] (show_stack+0x20/0x24)

 4923 10:22:34.599655  # [  101.992499]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fdf8

 4924 10:22:34.599955  # [  101.998463] [<c137cfec>] (show_stack) from [<c1384268>] (dump_stack+0xe0/0x100)

 4925 10:22:34.600237  # [  102.006078] [<c1384188>] (dump_stack) from [<c0356820>] (__warn+0x98/0x14c)

 4926 10:22:34.600506  # [  102.013332]  r9:00000009 r8:c0873bf0 r7:0000001c r6:00000009 r5:c0873bf0 r4:c1a2419c

 4927 10:22:34.600767  # [  102.021374] [<c0356788>] (__warn) from [<c137e148>] (warn_slowpath_fmt+0x8c/0xa8)

 4928 10:22:34.601025  # [  102.029145]  r7:0000001c r6:c1a2419c r5:c1a241d8 r4:c5962000

 4929 10:22:34.643011  # [  102.035103] [<c137e0c0>] (warn_slowpath_fmt) from [<c0873bf0>] (refcount_warn_saturate+0x13c/0x174)

 4930 10:22:34.643494  # [  102.044440]  r9:c1ad0340 r8:c15ebcc8 r7:c5963f60 r6:00000020 r5:c2c53000 r4:c5962000

 4931 10:22:34.643803  # [  102.052485] [<c0873ab4>] (refcount_warn_saturate) from [<c0c558a8>] (__refcount_sub_and_test.constprop.0+0x64/0x6c)

 4932 10:22:34.644083  # [  102.063232] [<c0c55844>] (__refcount_sub_and_test.constprop.0) from [<c138b6f4>] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x50/0x88)

 4933 10:22:34.691007  # [  102.075267] [<c138b6a4>] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED) from [<c0c547ac>] (lkdtm_do_action+0x2c/0x4c)

 4934 10:22:34.691494  # [  102.085549]  r4:0000003b

 4935 10:22:34.691819  # [  102.088376] [<c0c54780>] (lkdtm_do_action) from [<c0c54cac>] (direct_entry+0x120/0x18c)

 4936 10:22:34.692100  # [  102.096682] [<c0c54b8c>] (direct_entry) from [<c07e05cc>] (full_proxy_write+0x64/0x94)

 4937 10:22:34.692371  # [  102.104891]  r9:c5963f60 r8:c5360b40 r7:00000020 r6:b6e60000 r5:c5a10140 r4:c0c54b8c

 4938 10:22:34.692637  # [  102.112937] [<c07e0568>] (full_proxy_write) from [<c059ac18>] (vfs_write+0x10c/0x53c)

 4939 10:22:34.739103  # [  102.121059]  r9:c07e0568 r8:c5963f60 r7:c2815800 r6:b6e60000 r5:c5a10140 r4:00000000

 4940 10:22:34.739583  # [  102.129095] [<c059ab0c>] (vfs_write) from [<c059b1c4>] (ksys_write+0x74/0xec)

 4941 10:22:34.739901  # [  102.136522]  r10:00000004 r9:00000000 r8:00000000 r7:b6e60000 r6:c5962000 r5:c5a10140

 4942 10:22:34.740180  # [  102.144631]  r4:c5a10140

 4943 10:22:34.740445  # [  102.147459] [<c059b150>] (ksys_write) from [<c059b254>] (sys_write+0x18/0x1c)

 4944 10:22:34.740707  # [  102.154887]  r9:c5962000 r8:c03002e4 r7:00000004 r6:b6fa7e00 r5:00000020 r4:00000020

 4945 10:22:34.782994  # [  102.162927] [<c059b23c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 4946 10:22:34.783499  # [  102.170782] Exception stack(0xc5963fa8 to 0xc5963ff0)

 4947 10:22:34.783733  # [  102.176126] 3fa0:                   00000020 00000020 00000001 b6e60000 00000020 00000000

 4948 10:22:34.783826  # [  102.184598] 3fc0: 00000020 00000020 b6fa7e00 00000004 00000001 00000000 00020000 bede1ac4

 4949 10:22:34.783883  # [  102.193062] 3fe0: 00000004 bede17f8 b6f11d8f b6e987e6

 4950 10:22:34.783969  # [  102.198576] irq event stamp: 0

 4951 10:22:34.784049  # [  102.201947] hardirqs last  enabled at (0): [<00000000>] 0x0

 4952 10:22:34.826936  # [  102.207906] hardirqs last disabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 4953 10:22:34.827104  # [  102.215741] softirqs last  enabled at (0): [<c0353d90>] copy_process+0x5f8/0x1944

 4954 10:22:34.827187  # [  102.223651] softirqs last disabled at (0): [<00000000>] 0x0

 4955 10:22:34.827260  # [  102.229595] ---[ end trace 184820ef97b03c3f ]---

 4956 10:22:34.827329  # [  102.234515] lkdtm: Saturation detected: still saturated

 4957 10:22:34.827398  # REFCOUNT_SUB_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok

 4958 10:22:34.827466  ok 58 selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh

 4959 10:22:34.827532  # selftests: lkdtm: REFCOUNT_TIMING.sh

 4960 10:22:34.870976  # Skipping REFCOUNT_TIMING: timing only

 4961 10:22:34.871287  ok 59 selftests: lkdtm: REFCOUNT_TIMING.sh # SKIP

 4962 10:22:34.871478  # selftests: lkdtm: ATOMIC_TIMING.sh

 4963 10:22:35.027375  # Skipping ATOMIC_TIMING: timing only

 4964 10:22:35.027891  ok 60 selftests: lkdtm: ATOMIC_TIMING.sh # SKIP

 4965 10:22:35.043284  # selftests: lkdtm: USERCOPY_HEAP_SIZE_TO.sh

 4966 10:22:35.378209  <6>[  103.248756] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO

 4967 10:22:35.378704  <6>[  103.255064] lkdtm: attempting good copy_to_user of correct size

 4968 10:22:35.379007  <6>[  103.261392] lkdtm: attempting bad copy_to_user of too large size

 4969 10:22:35.527104  # [  103.248756] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO

 4970 10:22:35.527624  # [  103.255064] lkdtm: attempting good copy_to_user of correct size

 4971 10:22:35.527954  # [  103.261392] lkdtm: attempting bad copy_to_user of too large size

 4972 10:22:35.542865  # USERCOPY_HEAP_SIZE_TO: missing 'call trace:': [FAIL]

 4973 10:22:35.587025  not ok 61 selftests: lkdtm: USERCOPY_HEAP_SIZE_TO.sh # exit=1

 4974 10:22:35.618735  # selftests: lkdtm: USERCOPY_HEAP_SIZE_FROM.sh

 4975 10:22:35.953952  <6>[  103.822823] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM

 4976 10:22:35.954430  <6>[  103.829359] lkdtm: attempting good copy_from_user of correct size

 4977 10:22:35.954759  <6>[  103.835753] lkdtm: attempting bad copy_from_user of too large size

 4978 10:22:36.101842  # [  103.822823] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM

 4979 10:22:36.102371  # [  103.829359] lkdtm: attempting good copy_from_user of correct size

 4980 10:22:36.102747  # [  103.835753] lkdtm: attempting bad copy_from_user of too large size

 4981 10:22:36.117863  # USERCOPY_HEAP_SIZE_FROM: missing 'call trace:': [FAIL]

 4982 10:22:36.165658  not ok 62 selftests: lkdtm: USERCOPY_HEAP_SIZE_FROM.sh # exit=1

 4983 10:22:36.181621  # selftests: lkdtm: USERCOPY_HEAP_WHITELIST_TO.sh

 4984 10:22:36.516664  <6>[  104.385334] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO

 4985 10:22:36.517141  <6>[  104.392254] lkdtm: attempting good copy_to_user inside whitelist

 4986 10:22:36.517443  <6>[  104.398760] lkdtm: attempting bad copy_to_user outside whitelist

 4987 10:22:36.680499  # [  104.385334] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO

 4988 10:22:36.680977  # [  104.392254] lkdtm: attempting good copy_to_user inside whitelist

 4989 10:22:36.681282  # [  104.398760] lkdtm: attempting bad copy_to_user outside whitelist

 4990 10:22:36.681559  # USERCOPY_HEAP_WHITELIST_TO: missing 'call trace:': [FAIL]

 4991 10:22:36.705241  not ok 63 selftests: lkdtm: USERCOPY_HEAP_WHITELIST_TO.sh # exit=1

 4992 10:22:36.721251  # selftests: lkdtm: USERCOPY_HEAP_WHITELIST_FROM.sh

 4993 10:22:37.065149  <6>[  104.935459] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM

 4994 10:22:37.065304  <6>[  104.942475] lkdtm: attempting good copy_from_user inside whitelist

 4995 10:22:37.065367  <6>[  104.949005] lkdtm: attempting bad copy_from_user outside whitelist

 4996 10:22:37.214081  # [  104.935459] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM

 4997 10:22:37.214563  # [  104.942475] lkdtm: attempting good copy_from_user inside whitelist

 4998 10:22:37.214899  # [  104.949005] lkdtm: attempting bad copy_from_user outside whitelist

 4999 10:22:37.245289  # USERCOPY_HEAP_WHITELIST_FROM: missing 'call trace:': [FAIL]

 5000 10:22:37.269216  not ok 64 selftests: lkdtm: USERCOPY_HEAP_WHITELIST_FROM.sh # exit=1

 5001 10:22:37.285173  # selftests: lkdtm: USERCOPY_STACK_FRAME_TO.sh

 5002 10:22:37.638102  <6>[  105.497918] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO

 5003 10:22:37.638616  <6>[  105.504390] lkdtm: good_stack: c59c5e0c-c59c5e2c

 5004 10:22:37.638933  <6>[  105.509327] lkdtm: bad_stack : c59c5d84-c59c5da4

 5005 10:22:37.639214  <6>[  105.514237] lkdtm: attempting good copy_to_user of local stack

 5006 10:22:37.639484  <6>[  105.520442] lkdtm: attempting bad copy_to_user of distant stack

 5007 10:22:37.801974  # [  105.497918] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO

 5008 10:22:37.802453  # [  105.504390] lkdtm: good_stack: c59c5e0c-c59c5e2c

 5009 10:22:37.802787  # [  105.509327] lkdtm: bad_stack : c59c5d84-c59c5da4

 5010 10:22:37.803066  # [  105.514237] lkdtm: attempting good copy_to_user of local stack

 5011 10:22:37.803337  # [  105.520442] lkdtm: attempting bad copy_to_user of distant stack

 5012 10:22:37.803600  # USERCOPY_STACK_FRAME_TO: missing 'call trace:': [FAIL]

 5013 10:22:37.833900  not ok 65 selftests: lkdtm: USERCOPY_STACK_FRAME_TO.sh # exit=1

 5014 10:22:37.865561  # selftests: lkdtm: USERCOPY_STACK_FRAME_FROM.sh

 5015 10:22:38.205409  <6>[  106.064717] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM

 5016 10:22:38.205568  <6>[  106.071462] lkdtm: good_stack: c478fe0c-c478fe2c

 5017 10:22:38.205644  <6>[  106.076358] lkdtm: bad_stack : c478fd84-c478fda4

 5018 10:22:38.205712  <6>[  106.081330] lkdtm: attempting good copy_from_user of local stack

 5019 10:22:38.205774  <6>[  106.087685] lkdtm: attempting bad copy_from_user of distant stack

 5020 10:22:38.364632  # [  106.064717] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM

 5021 10:22:38.365112  # [  106.071462] lkdtm: good_stack: c478fe0c-c478fe2c

 5022 10:22:38.365418  # [  106.076358] lkdtm: bad_stack : c478fd84-c478fda4

 5023 10:22:38.365696  # [  106.081330] lkdtm: attempting good copy_from_user of local stack

 5024 10:22:38.365964  # [  106.087685] lkdtm: attempting bad copy_from_user of distant stack

 5025 10:22:38.380249  # USERCOPY_STACK_FRAME_FROM: missing 'call trace:': [FAIL]

 5026 10:22:38.411434  not ok 66 selftests: lkdtm: USERCOPY_STACK_FRAME_FROM.sh # exit=1

 5027 10:22:38.427318  # selftests: lkdtm: USERCOPY_STACK_BEYOND.sh

 5028 10:22:38.778142  <6>[  106.637726] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND

 5029 10:22:38.778309  <6>[  106.644051] lkdtm: good_stack: c5b97e0c-c5b97e2c

 5030 10:22:38.778390  <6>[  106.649102] lkdtm: bad_stack : c5b97ffc-c5b9801c

 5031 10:22:38.778461  <6>[  106.654043] lkdtm: attempting good copy_to_user of local stack

 5032 10:22:38.778529  <6>[  106.660268] lkdtm: attempting bad copy_to_user of distant stack

 5033 10:22:38.946301  # [  106.637726] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND

 5034 10:22:38.946805  # [  106.644051] lkdtm: good_stack: c5b97e0c-c5b97e2c

 5035 10:22:38.947110  # [  106.649102] lkdtm: bad_stack : c5b97ffc-c5b9801c

 5036 10:22:38.947387  # [  106.654043] lkdtm: attempting good copy_to_user of local stack

 5037 10:22:38.947655  # [  106.660268] lkdtm: attempting bad copy_to_user of distant stack

 5038 10:22:38.947917  # USERCOPY_STACK_BEYOND: missing 'call trace:': [FAIL]

 5039 10:22:38.977763  not ok 67 selftests: lkdtm: USERCOPY_STACK_BEYOND.sh # exit=1

 5040 10:22:38.993882  # selftests: lkdtm: USERCOPY_KERNEL.sh

 5041 10:22:39.350915  <6>[  107.212151] lkdtm: Performing direct entry USERCOPY_KERNEL

 5042 10:22:39.351075  <6>[  107.218131] lkdtm: attempting good copy_to_user from kernel rodata: c15ebf74

 5043 10:22:39.351150  <6>[  107.225551] lkdtm: attempting bad copy_to_user from kernel text: c053cb4c

 5044 10:22:39.351218  <3>[  107.232715] lkdtm: FAIL: survived bad copy_to_user()

 5045 10:22:39.501850  # [  107.212151] lkdtm: Performing direct entry USERCOPY_KERNEL

 5046 10:22:39.502337  # [  107.218131] lkdtm: attempting good copy_to_user from kernel rodata: c15ebf74

 5047 10:22:39.502670  # [  107.225551] lkdtm: attempting bad copy_to_user from kernel text: c053cb4c

 5048 10:22:39.502956  # [  107.232715] lkdtm: FAIL: survived bad copy_to_user()

 5049 10:22:39.517916  # USERCOPY_KERNEL: missing 'call trace:': [FAIL]

 5050 10:22:39.549889  not ok 68 selftests: lkdtm: USERCOPY_KERNEL.sh # exit=1

 5051 10:22:39.581799  # selftests: lkdtm: STACKLEAK_ERASING.sh

 5052 10:22:39.936437  <6>[  107.794596] lkdtm: Performing direct entry STACKLEAK_ERASING

 5053 10:22:39.936920  <6>[  107.800672] lkdtm: checking unused part of the thread stack (7732 bytes)...

 5054 10:22:39.937228  <3>[  107.808119] lkdtm: FAIL: the erased part is not found (checked 7732 bytes)

 5055 10:22:39.937506  <3>[  107.815293] lkdtm: FAIL: the thread stack is NOT properly erased

 5056 10:22:39.937773  <4>[  107.821665] CPU: 1 PID: 3505 Comm: cat Tainted: G      D W         5.10.182-cip34 #1

 5057 10:22:39.938035  <4>[  107.829680] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 5058 10:22:39.979554  <4>[  107.836477] Backtrace: 

 5059 10:22:39.980032  <4>[  107.839219] [<c137cc4c>] (dump_backtrace) from [<c137d00c>] (show_stack+0x20/0x24)

 5060 10:22:39.980341  <4>[  107.847063]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fdf8

 5061 10:22:39.980619  <4>[  107.853000] [<c137cfec>] (show_stack) from [<c1384268>] (dump_stack+0xe0/0x100)

 5062 10:22:39.980887  <4>[  107.860595] [<c1384188>] (dump_stack) from [<c138b9dc>] (lkdtm_STACKLEAK_ERASING+0x148/0x174)

 5063 10:22:39.981153  <4>[  107.869394]  r9:c1ad0448 r8:c15ebcc8 r7:c5bf3f60 r6:c5bf3e34 r5:c5bf2000 r4:0000078d

 5064 10:22:40.022875  <4>[  107.877416] [<c138b894>] (lkdtm_STACKLEAK_ERASING) from [<c0c547ac>] (lkdtm_do_action+0x2c/0x4c)

 5065 10:22:40.023357  <4>[  107.886472]  r8:c15ebcc8 r7:c5bf3f60 r6:00000012 r5:c60bb000 r4:00000046

 5066 10:22:40.023668  <4>[  107.893449] [<c0c54780>] (lkdtm_do_action) from [<c0c54cac>] (direct_entry+0x120/0x18c)

 5067 10:22:40.023948  <4>[  107.901733] [<c0c54b8c>] (direct_entry) from [<c07e05cc>] (full_proxy_write+0x64/0x94)

 5068 10:22:40.024216  <4>[  107.909923]  r9:c5bf3f60 r8:c5360b40 r7:00000012 r6:b6dcc000 r5:c5f99680 r4:c0c54b8c

 5069 10:22:40.066154  <4>[  107.917945] [<c07e0568>] (full_proxy_write) from [<c059ac18>] (vfs_write+0x10c/0x53c)

 5070 10:22:40.066699  <4>[  107.926049]  r9:c07e0568 r8:c5bf3f60 r7:c2815800 r6:b6dcc000 r5:c5f99680 r4:00000000

 5071 10:22:40.067036  <4>[  107.934065] [<c059ab0c>] (vfs_write) from [<c059b1c4>] (ksys_write+0x74/0xec)

 5072 10:22:40.067341  <4>[  107.941474]  r10:00000004 r9:00000000 r8:00000000 r7:b6dcc000 r6:c5bf2000 r5:c5f99680

 5073 10:22:40.067630  <4>[  107.949570]  r4:c5f99680

 5074 10:22:40.067913  <4>[  107.952379] [<c059b150>] (ksys_write) from [<c059b254>] (sys_write+0x18/0x1c)

 5075 10:22:40.068195  <4>[  107.959787]  r9:c5bf2000 r8:c03002e4 r7:00000004 r6:b6f13e00 r5:00000012 r4:00000012

 5076 10:22:40.113445  <4>[  107.967806] [<c059b23c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 5077 10:22:40.113962  <4>[  107.975646] Exception stack(0xc5bf3fa8 to 0xc5bf3ff0)

 5078 10:22:40.114299  <4>[  107.980970] 3fa0:                   00000012 00000012 00000001 b6dcc000 00000012 00000000

 5079 10:22:40.114627  <4>[  107.989421] 3fc0: 00000012 00000012 b6f13e00 00000004 00000001 00000000 00020000 bef66ac4

 5080 10:22:40.114929  <4>[  107.997868] 3fe0: 00000004 bef667f8 b6e7dd8f b6e047e6

 5081 10:22:40.275048  # [  107.794596] lkdtm: Performing direct entry STACKLEAK_ERASING

 5082 10:22:40.275557  # [  107.800672] lkdtm: checking unused part of the thread stack (7732 bytes)...

 5083 10:22:40.275891  # [  107.808119] lkdtm: FAIL: the erased part is not found (checked 7732 bytes)

 5084 10:22:40.276194  # [  107.815293] lkdtm: FAIL: the thread stack is NOT properly erased

 5085 10:22:40.276485  # [  107.821665] CPU: 1 PID: 3505 Comm: cat Tainted: G      D W         5.10.182-cip34 #1

 5086 10:22:40.276776  # [  107.829680] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 5087 10:22:40.317741  # [  107.836477] Backtrace: 

 5088 10:22:40.317825  # [  107.839219] [<c137cc4c>] (dump_backtrace) from [<c137d00c>] (show_stack+0x20/0x24)

 5089 10:22:40.317892  # [  107.847063]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f0fdf8

 5090 10:22:40.317953  # [  107.853000] [<c137cfec>] (show_stack) from [<c1384268>] (dump_stack+0xe0/0x100)

 5091 10:22:40.318013  # [  107.860595] [<c1384188>] (dump_stack) from [<c138b9dc>] (lkdtm_STACKLEAK_ERASING+0x148/0x174)

 5092 10:22:40.318071  # [  107.869394]  r9:c1ad0448 r8:c15ebcc8 r7:c5bf3f60 r6:c5bf3e34 r5:c5bf2000 r4:0000078d

 5093 10:22:40.360811  # [  107.877416] [<c138b894>] (lkdtm_STACKLEAK_ERASING) from [<c0c547ac>] (lkdtm_do_action+0x2c/0x4c)

 5094 10:22:40.361055  # [  107.886472]  r8:c15ebcc8 r7:c5bf3f60 r6:00000012 r5:c60bb000 r4:00000046

 5095 10:22:40.361204  # [  107.893449] [<c0c54780>] (lkdtm_do_action) from [<c0c54cac>] (direct_entry+0x120/0x18c)

 5096 10:22:40.361343  # [  107.901733] [<c0c54b8c>] (direct_entry) from [<c07e05cc>] (full_proxy_write+0x64/0x94)

 5097 10:22:40.361466  # [  107.909923]  r9:c5bf3f60 r8:c5360b40 r7:00000012 r6:b6dcc000 r5:c5f99680 r4:c0c54b8c

 5098 10:22:40.361583  # [  107.917945] [<c07e0568>] (full_proxy_write) from [<c059ac18>] (vfs_write+0x10c/0x53c)

 5099 10:22:40.404099  # [  107.926049]  r9:c07e0568 r8:c5bf3f60 r7:c2815800 r6:b6dcc000 r5:c5f99680 r4:00000000

 5100 10:22:40.404253  # [  107.934065] [<c059ab0c>] (vfs_write) from [<c059b1c4>] (ksys_write+0x74/0xec)

 5101 10:22:40.404326  # [  107.941474]  r10:00000004 r9:00000000 r8:00000000 r7:b6dcc000 r6:c5bf2000 r5:c5f99680

 5102 10:22:40.404386  # [  107.949570]  r4:c5f99680

 5103 10:22:40.404441  # [  107.952379] [<c059b150>] (ksys_write) from [<c059b254>] (sys_write+0x18/0x1c)

 5104 10:22:40.404496  # [  107.959787]  r9:c5bf2000 r8:c03002e4 r7:00000004 r6:b6f13e00 r5:00000012 r4:00000012

 5105 10:22:40.447021  # [  107.967806] [<c059b23c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 5106 10:22:40.447267  # [  107.975646] Exception stack(0xc5bf3fa8 to 0xc5bf3ff0)

 5107 10:22:40.447408  # [  107.980970] 3fa0:                   00000012 00000012 00000001 b6dcc000 00000012 00000000

 5108 10:22:40.447537  # [  107.989421] 3fc0: 00000012 00000012 b6f13e00 00000004 00000001 00000000 00020000 bef66ac4

 5109 10:22:40.447659  # [  107.997868] 3fe0: 00000004 bef667f8 b6e7dd8f b6e047e6

 5110 10:22:40.447778  # STACKLEAK_ERASING: missing 'OK: the rest of the thread stack is properly erased': [FAIL]

 5111 10:22:40.467731  not ok 69 selftests: lkdtm: STACKLEAK_ERASING.sh # exit=1

 5112 10:22:40.468185  # selftests: lkdtm: CFI_FORWARD_PROTO.sh

 5113 10:22:40.712150  <6>[  108.576653] lkdtm: Performing direct entry CFI_FORWARD_PROTO

 5114 10:22:40.712603  <6>[  108.582735] lkdtm: Calling matched prototype ...

 5115 10:22:40.712893  <6>[  108.587743] lkdtm: Calling mismatched prototype ...

 5116 10:22:40.713150  <6>[  108.592926] lkdtm: Fail: survived mismatched prototype function call!

 5117 10:22:40.864614  # [  108.576653] lkdtm: Performing direct entry CFI_FORWARD_PROTO

 5118 10:22:40.865094  # [  108.582735] lkdtm: Calling matched prototype ...

 5119 10:22:40.865398  # [  108.587743] lkdtm: Calling mismatched prototype ...

 5120 10:22:40.865674  # [  108.592926] lkdtm: Fail: survived mismatched prototype function call!

 5121 10:22:40.880380  # CFI_FORWARD_PROTO: missing 'call trace:': [FAIL]

 5122 10:22:40.912541  not ok 70 selftests: lkdtm: CFI_FORWARD_PROTO.sh # exit=1

 5123 10:22:41.711033  lkdtm_PANIC_sh skip

 5124 10:22:41.711539  lkdtm_BUG_sh pass

 5125 10:22:41.753422  lkdtm_WARNING_sh pass

 5126 10:22:41.753620  lkdtm_WARNING_MESSAGE_sh pass

 5127 10:22:41.753721  lkdtm_EXCEPTION_sh fail

 5128 10:22:41.753808  lkdtm_LOOP_sh skip

 5129 10:22:41.753892  lkdtm_EXHAUST_STACK_sh skip

 5130 10:22:41.753974  lkdtm_CORRUPT_STACK_sh skip

 5131 10:22:41.754055  lkdtm_CORRUPT_STACK_STRONG_sh skip

 5132 10:22:41.754134  lkdtm_CORRUPT_LIST_ADD_sh fail

 5133 10:22:41.754213  lkdtm_CORRUPT_LIST_DEL_sh fail

 5134 10:22:41.754290  lkdtm_STACK_GUARD_PAGE_LEADING_sh fail

 5135 10:22:41.754369  lkdtm_STACK_GUARD_PAGE_TRAILING_sh fail

 5136 10:22:41.754462  lkdtm_UNSET_SMEP_sh skip

 5137 10:22:41.754547  lkdtm_DOUBLE_FAULT_sh skip

 5138 10:22:41.754645  lkdtm_CORRUPT_PAC_sh skip

 5139 10:22:41.754731  lkdtm_UNALIGNED_LOAD_STORE_WRITE_sh skip

 5140 10:22:41.754817  lkdtm_OVERWRITE_ALLOCATION_sh skip

 5141 10:22:41.796820  lkdtm_WRITE_AFTER_FREE_sh skip

 5142 10:22:41.797287  lkdtm_READ_AFTER_FREE_sh fail

 5143 10:22:41.797584  lkdtm_WRITE_BUDDY_AFTER_FREE_sh skip

 5144 10:22:41.797859  lkdtm_READ_BUDDY_AFTER_FREE_sh fail

 5145 10:22:41.798121  lkdtm_SLAB_FREE_DOUBLE_sh fail

 5146 10:22:41.798374  lkdtm_SLAB_FREE_CROSS_sh fail

 5147 10:22:41.798645  lkdtm_SLAB_FREE_PAGE_sh fail

 5148 10:22:41.798896  lkdtm_SOFTLOCKUP_sh skip

 5149 10:22:41.799144  lkdtm_HARDLOCKUP_sh skip

 5150 10:22:41.799392  lkdtm_SPINLOCKUP_sh skip

 5151 10:22:41.799639  lkdtm_HUNG_TASK_sh skip

 5152 10:22:41.799886  lkdtm_EXEC_DATA_sh fail

 5153 10:22:41.800131  lkdtm_EXEC_STACK_sh fail

 5154 10:22:41.800371  lkdtm_EXEC_KMALLOC_sh fail

 5155 10:22:41.800612  lkdtm_EXEC_VMALLOC_sh fail

 5156 10:22:41.800857  lkdtm_EXEC_RODATA_sh fail

 5157 10:22:41.801100  lkdtm_EXEC_USERSPACE_sh fail

 5158 10:22:41.839865  lkdtm_EXEC_NULL_sh fail

 5159 10:22:41.840339  lkdtm_ACCESS_USERSPACE_sh fail

 5160 10:22:41.840640  lkdtm_ACCESS_NULL_sh fail

 5161 10:22:41.840912  lkdtm_WRITE_RO_sh fail

 5162 10:22:41.841173  lkdtm_WRITE_RO_AFTER_INIT_sh fail

 5163 10:22:41.841428  lkdtm_WRITE_KERN_sh fail

 5164 10:22:41.841680  lkdtm_REFCOUNT_INC_OVERFLOW_sh fail

 5165 10:22:41.841931  lkdtm_REFCOUNT_ADD_OVERFLOW_sh fail

 5166 10:22:41.842182  lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW_sh fail

 5167 10:22:41.842427  lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW_sh fail

 5168 10:22:41.842698  lkdtm_REFCOUNT_DEC_ZERO_sh fail

 5169 10:22:41.842947  lkdtm_REFCOUNT_DEC_NEGATIVE_sh pass

 5170 10:22:41.843192  lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE_sh pass

 5171 10:22:41.843436  lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE_sh pass

 5172 10:22:41.882919  lkdtm_REFCOUNT_INC_ZERO_sh fail

 5173 10:22:41.883396  lkdtm_REFCOUNT_ADD_ZERO_sh fail

 5174 10:22:41.883696  lkdtm_REFCOUNT_INC_SATURATED_sh pass

 5175 10:22:41.883968  lkdtm_REFCOUNT_DEC_SATURATED_sh pass

 5176 10:22:41.884228  lkdtm_REFCOUNT_ADD_SATURATED_sh pass

 5177 10:22:41.884483  lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED_sh fail

 5178 10:22:41.884733  lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED_sh fail

 5179 10:22:41.884982  lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED_sh pass

 5180 10:22:41.885233  lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED_sh pass

 5181 10:22:41.885477  lkdtm_REFCOUNT_TIMING_sh skip

 5182 10:22:41.885722  lkdtm_ATOMIC_TIMING_sh skip

 5183 10:22:41.885966  lkdtm_USERCOPY_HEAP_SIZE_TO_sh fail

 5184 10:22:41.886208  lkdtm_USERCOPY_HEAP_SIZE_FROM_sh fail

 5185 10:22:41.930132  lkdtm_USERCOPY_HEAP_WHITELIST_TO_sh fail

 5186 10:22:41.930625  lkdtm_USERCOPY_HEAP_WHITELIST_FROM_sh fail

 5187 10:22:41.930926  lkdtm_USERCOPY_STACK_FRAME_TO_sh fail

 5188 10:22:41.931199  lkdtm_USERCOPY_STACK_FRAME_FROM_sh fail

 5189 10:22:41.931462  lkdtm_USERCOPY_STACK_BEYOND_sh fail

 5190 10:22:41.931719  lkdtm_USERCOPY_KERNEL_sh fail

 5191 10:22:41.931971  lkdtm_STACKLEAK_ERASING_sh fail

 5192 10:22:41.932224  lkdtm_CFI_FORWARD_PROTO_sh fail

 5193 10:22:41.932472  + ../../utils/send-to-lava.sh ./output/result.txt

 5194 10:22:41.932725  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_PANIC_sh RESULT=skip>

 5195 10:22:41.934252  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_PANIC_sh RESULT=skip
 5197 10:22:42.010204  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_BUG_sh RESULT=pass>

 5198 10:22:42.010975  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_BUG_sh RESULT=pass
 5200 10:22:42.135830  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_WARNING_sh RESULT=pass>

 5201 10:22:42.136615  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_WARNING_sh RESULT=pass
 5203 10:22:42.252570  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_WARNING_MESSAGE_sh RESULT=pass>

 5204 10:22:42.253305  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_WARNING_MESSAGE_sh RESULT=pass
 5206 10:22:42.370104  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXCEPTION_sh RESULT=fail>

 5207 10:22:42.370862  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXCEPTION_sh RESULT=fail
 5209 10:22:42.482055  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_LOOP_sh RESULT=skip>

 5210 10:22:42.482835  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_LOOP_sh RESULT=skip
 5212 10:22:42.609637  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXHAUST_STACK_sh RESULT=skip>

 5213 10:22:42.610445  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXHAUST_STACK_sh RESULT=skip
 5215 10:22:42.732258  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_CORRUPT_STACK_sh RESULT=skip>

 5216 10:22:42.733034  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_CORRUPT_STACK_sh RESULT=skip
 5218 10:22:42.852179  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_CORRUPT_STACK_STRONG_sh RESULT=skip>

 5219 10:22:42.852959  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_CORRUPT_STACK_STRONG_sh RESULT=skip
 5221 10:22:42.979678  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_CORRUPT_LIST_ADD_sh RESULT=fail>

 5222 10:22:42.980478  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_CORRUPT_LIST_ADD_sh RESULT=fail
 5224 10:22:43.101343  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_CORRUPT_LIST_DEL_sh RESULT=fail>

 5225 10:22:43.102115  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_CORRUPT_LIST_DEL_sh RESULT=fail
 5227 10:22:43.213138  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_STACK_GUARD_PAGE_LEADING_sh RESULT=fail>

 5228 10:22:43.213915  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_STACK_GUARD_PAGE_LEADING_sh RESULT=fail
 5230 10:22:43.340616  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_STACK_GUARD_PAGE_TRAILING_sh RESULT=fail>

 5231 10:22:43.341352  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_STACK_GUARD_PAGE_TRAILING_sh RESULT=fail
 5233 10:22:43.457692  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_UNSET_SMEP_sh RESULT=skip>

 5234 10:22:43.458467  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_UNSET_SMEP_sh RESULT=skip
 5236 10:22:43.590123  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_DOUBLE_FAULT_sh RESULT=skip>

 5237 10:22:43.590914  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_DOUBLE_FAULT_sh RESULT=skip
 5239 10:22:43.726010  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_CORRUPT_PAC_sh RESULT=skip>

 5240 10:22:43.726776  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_CORRUPT_PAC_sh RESULT=skip
 5242 10:22:43.848772  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_UNALIGNED_LOAD_STORE_WRITE_sh RESULT=skip>

 5243 10:22:43.849545  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_UNALIGNED_LOAD_STORE_WRITE_sh RESULT=skip
 5245 10:22:43.981429  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_OVERWRITE_ALLOCATION_sh RESULT=skip>

 5246 10:22:43.982203  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_OVERWRITE_ALLOCATION_sh RESULT=skip
 5248 10:22:44.116150  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_WRITE_AFTER_FREE_sh RESULT=skip>

 5249 10:22:44.116928  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_WRITE_AFTER_FREE_sh RESULT=skip
 5251 10:22:44.242555  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_READ_AFTER_FREE_sh RESULT=fail>

 5252 10:22:44.243172  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_READ_AFTER_FREE_sh RESULT=fail
 5254 10:22:44.348480  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_WRITE_BUDDY_AFTER_FREE_sh RESULT=skip>

 5255 10:22:44.349257  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_WRITE_BUDDY_AFTER_FREE_sh RESULT=skip
 5257 10:22:44.451201  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_READ_BUDDY_AFTER_FREE_sh RESULT=fail>

 5258 10:22:44.451926  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_READ_BUDDY_AFTER_FREE_sh RESULT=fail
 5260 10:22:44.551961  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_SLAB_FREE_DOUBLE_sh RESULT=fail>

 5261 10:22:44.552692  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_SLAB_FREE_DOUBLE_sh RESULT=fail
 5263 10:22:44.653714  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_SLAB_FREE_CROSS_sh RESULT=fail>

 5264 10:22:44.654443  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_SLAB_FREE_CROSS_sh RESULT=fail
 5266 10:22:44.755516  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_SLAB_FREE_PAGE_sh RESULT=fail>

 5267 10:22:44.756243  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_SLAB_FREE_PAGE_sh RESULT=fail
 5269 10:22:44.865507  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_SOFTLOCKUP_sh RESULT=skip>

 5270 10:22:44.866297  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_SOFTLOCKUP_sh RESULT=skip
 5272 10:22:44.960991  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_HARDLOCKUP_sh RESULT=skip>

 5273 10:22:44.961737  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_HARDLOCKUP_sh RESULT=skip
 5275 10:22:45.066843  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_SPINLOCKUP_sh RESULT=skip>

 5276 10:22:45.067595  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_SPINLOCKUP_sh RESULT=skip
 5278 10:22:45.167649  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_HUNG_TASK_sh RESULT=skip>

 5279 10:22:45.168383  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_HUNG_TASK_sh RESULT=skip
 5281 10:22:45.294295  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXEC_DATA_sh RESULT=fail>

 5282 10:22:45.295093  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXEC_DATA_sh RESULT=fail
 5284 10:22:45.422080  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXEC_STACK_sh RESULT=fail>

 5285 10:22:45.422896  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXEC_STACK_sh RESULT=fail
 5287 10:22:45.555868  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXEC_KMALLOC_sh RESULT=fail>

 5288 10:22:45.556638  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXEC_KMALLOC_sh RESULT=fail
 5290 10:22:45.672634  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXEC_VMALLOC_sh RESULT=fail>

 5291 10:22:45.673409  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXEC_VMALLOC_sh RESULT=fail
 5293 10:22:45.792280  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXEC_RODATA_sh RESULT=fail>

 5294 10:22:45.793045  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXEC_RODATA_sh RESULT=fail
 5296 10:22:45.910894  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXEC_USERSPACE_sh RESULT=fail>

 5297 10:22:45.911702  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXEC_USERSPACE_sh RESULT=fail
 5299 10:22:46.021584  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXEC_NULL_sh RESULT=fail>

 5300 10:22:46.022359  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXEC_NULL_sh RESULT=fail
 5302 10:22:46.143500  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_ACCESS_USERSPACE_sh RESULT=fail>

 5303 10:22:46.144273  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_ACCESS_USERSPACE_sh RESULT=fail
 5305 10:22:46.259966  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_ACCESS_NULL_sh RESULT=fail>

 5306 10:22:46.260721  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_ACCESS_NULL_sh RESULT=fail
 5308 10:22:46.381955  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_WRITE_RO_sh RESULT=fail>

 5309 10:22:46.382712  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_WRITE_RO_sh RESULT=fail
 5311 10:22:46.517374  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_WRITE_RO_AFTER_INIT_sh RESULT=fail>

 5312 10:22:46.518142  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_WRITE_RO_AFTER_INIT_sh RESULT=fail
 5314 10:22:46.629410  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_WRITE_KERN_sh RESULT=fail>

 5315 10:22:46.630187  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_WRITE_KERN_sh RESULT=fail
 5317 10:22:46.766917  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_INC_OVERFLOW_sh RESULT=fail>

 5318 10:22:46.767703  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_INC_OVERFLOW_sh RESULT=fail
 5320 10:22:46.899504  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_ADD_OVERFLOW_sh RESULT=fail>

 5321 10:22:46.900278  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_ADD_OVERFLOW_sh RESULT=fail
 5323 10:22:47.018366  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW_sh RESULT=fail>

 5324 10:22:47.019178  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW_sh RESULT=fail
 5326 10:22:47.139217  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW_sh RESULT=fail>

 5327 10:22:47.139996  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW_sh RESULT=fail
 5329 10:22:47.259726  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_DEC_ZERO_sh RESULT=fail>

 5330 10:22:47.260509  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_DEC_ZERO_sh RESULT=fail
 5332 10:22:47.371407  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_DEC_NEGATIVE_sh RESULT=pass>

 5333 10:22:47.372206  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_DEC_NEGATIVE_sh RESULT=pass
 5335 10:22:47.477400  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE_sh RESULT=pass>

 5336 10:22:47.478184  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE_sh RESULT=pass
 5338 10:22:47.598988  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE_sh RESULT=pass>

 5339 10:22:47.599777  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE_sh RESULT=pass
 5341 10:22:47.709647  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_INC_ZERO_sh RESULT=fail>

 5342 10:22:47.710382  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_INC_ZERO_sh RESULT=fail
 5344 10:22:47.812562  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_ADD_ZERO_sh RESULT=fail>

 5345 10:22:47.813310  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_ADD_ZERO_sh RESULT=fail
 5347 10:22:47.915417  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_INC_SATURATED_sh RESULT=pass>

 5348 10:22:47.916152  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_INC_SATURATED_sh RESULT=pass
 5350 10:22:48.027020  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_DEC_SATURATED_sh RESULT=pass>

 5351 10:22:48.027803  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_DEC_SATURATED_sh RESULT=pass
 5353 10:22:48.145710  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_ADD_SATURATED_sh RESULT=pass>

 5354 10:22:48.146501  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_ADD_SATURATED_sh RESULT=pass
 5356 10:22:48.278309  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED_sh RESULT=fail>

 5357 10:22:48.279139  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED_sh RESULT=fail
 5359 10:22:48.397074  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED_sh RESULT=fail>

 5360 10:22:48.397852  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED_sh RESULT=fail
 5362 10:22:48.514858  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED_sh RESULT=pass>

 5363 10:22:48.515641  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED_sh RESULT=pass
 5365 10:22:48.623524  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED_sh RESULT=pass>

 5366 10:22:48.624270  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED_sh RESULT=pass
 5368 10:22:48.724300  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_TIMING_sh RESULT=skip>

 5369 10:22:48.725045  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_TIMING_sh RESULT=skip
 5371 10:22:48.826125  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_ATOMIC_TIMING_sh RESULT=skip>

 5372 10:22:48.826907  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_ATOMIC_TIMING_sh RESULT=skip
 5374 10:22:48.951982  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_HEAP_SIZE_TO_sh RESULT=fail>

 5375 10:22:48.952771  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_HEAP_SIZE_TO_sh RESULT=fail
 5377 10:22:49.063629  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_HEAP_SIZE_FROM_sh RESULT=fail>

 5378 10:22:49.064414  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_HEAP_SIZE_FROM_sh RESULT=fail
 5380 10:22:49.196463  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_HEAP_WHITELIST_TO_sh RESULT=fail>

 5381 10:22:49.197258  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_HEAP_WHITELIST_TO_sh RESULT=fail
 5383 10:22:49.331009  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_HEAP_WHITELIST_FROM_sh RESULT=fail>

 5384 10:22:49.331794  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_HEAP_WHITELIST_FROM_sh RESULT=fail
 5386 10:22:49.453884  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_STACK_FRAME_TO_sh RESULT=fail>

 5387 10:22:49.454688  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_STACK_FRAME_TO_sh RESULT=fail
 5389 10:22:49.590317  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_STACK_FRAME_FROM_sh RESULT=fail>

 5390 10:22:49.591126  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_STACK_FRAME_FROM_sh RESULT=fail
 5392 10:22:49.713147  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_STACK_BEYOND_sh RESULT=fail>

 5393 10:22:49.713937  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_STACK_BEYOND_sh RESULT=fail
 5395 10:22:49.838783  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_KERNEL_sh RESULT=fail>

 5396 10:22:49.839545  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_KERNEL_sh RESULT=fail
 5398 10:22:49.956489  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_STACKLEAK_ERASING_sh RESULT=fail>

 5399 10:22:49.957269  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_STACKLEAK_ERASING_sh RESULT=fail
 5401 10:22:50.085464  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_CFI_FORWARD_PROTO_sh RESULT=fail>

 5402 10:22:50.085958  + set +x

 5403 10:22:50.086265  <LAVA_SIGNAL_ENDRUN 1_kselftest-lkdtm 10590651_1.6.2.4.5>

 5404 10:22:50.086546  <LAVA_TEST_RUNNER EXIT>

 5405 10:22:50.087129  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_CFI_FORWARD_PROTO_sh RESULT=fail
 5407 10:22:50.088066  Received signal: <ENDRUN> 1_kselftest-lkdtm 10590651_1.6.2.4.5
 5408 10:22:50.088374  Ending use of test pattern.
 5409 10:22:50.088645  Ending test lava.1_kselftest-lkdtm (10590651_1.6.2.4.5), duration 66.40
 5411 10:22:50.089587  ok: lava_test_shell seems to have completed
 5412 10:22:50.092316  lkdtm_ACCESS_NULL_sh: fail
lkdtm_ACCESS_USERSPACE_sh: fail
lkdtm_ATOMIC_TIMING_sh: skip
lkdtm_BUG_sh: pass
lkdtm_CFI_FORWARD_PROTO_sh: fail
lkdtm_CORRUPT_LIST_ADD_sh: fail
lkdtm_CORRUPT_LIST_DEL_sh: fail
lkdtm_CORRUPT_PAC_sh: skip
lkdtm_CORRUPT_STACK_STRONG_sh: skip
lkdtm_CORRUPT_STACK_sh: skip
lkdtm_DOUBLE_FAULT_sh: skip
lkdtm_EXCEPTION_sh: fail
lkdtm_EXEC_DATA_sh: fail
lkdtm_EXEC_KMALLOC_sh: fail
lkdtm_EXEC_NULL_sh: fail
lkdtm_EXEC_RODATA_sh: fail
lkdtm_EXEC_STACK_sh: fail
lkdtm_EXEC_USERSPACE_sh: fail
lkdtm_EXEC_VMALLOC_sh: fail
lkdtm_EXHAUST_STACK_sh: skip
lkdtm_HARDLOCKUP_sh: skip
lkdtm_HUNG_TASK_sh: skip
lkdtm_LOOP_sh: skip
lkdtm_OVERWRITE_ALLOCATION_sh: skip
lkdtm_PANIC_sh: skip
lkdtm_READ_AFTER_FREE_sh: fail
lkdtm_READ_BUDDY_AFTER_FREE_sh: fail
lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW_sh: fail
lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED_sh: fail
lkdtm_REFCOUNT_ADD_OVERFLOW_sh: fail
lkdtm_REFCOUNT_ADD_SATURATED_sh: pass
lkdtm_REFCOUNT_ADD_ZERO_sh: fail
lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE_sh: pass
lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED_sh: pass
lkdtm_REFCOUNT_DEC_NEGATIVE_sh: pass
lkdtm_REFCOUNT_DEC_SATURATED_sh: pass
lkdtm_REFCOUNT_DEC_ZERO_sh: fail
lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW_sh: fail
lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED_sh: fail
lkdtm_REFCOUNT_INC_OVERFLOW_sh: fail
lkdtm_REFCOUNT_INC_SATURATED_sh: pass
lkdtm_REFCOUNT_INC_ZERO_sh: fail
lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE_sh: pass
lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED_sh: pass
lkdtm_REFCOUNT_TIMING_sh: skip
lkdtm_SLAB_FREE_CROSS_sh: fail
lkdtm_SLAB_FREE_DOUBLE_sh: fail
lkdtm_SLAB_FREE_PAGE_sh: fail
lkdtm_SOFTLOCKUP_sh: skip
lkdtm_SPINLOCKUP_sh: skip
lkdtm_STACKLEAK_ERASING_sh: fail
lkdtm_STACK_GUARD_PAGE_LEADING_sh: fail
lkdtm_STACK_GUARD_PAGE_TRAILING_sh: fail
lkdtm_UNALIGNED_LOAD_STORE_WRITE_sh: skip
lkdtm_UNSET_SMEP_sh: skip
lkdtm_USERCOPY_HEAP_SIZE_FROM_sh: fail
lkdtm_USERCOPY_HEAP_SIZE_TO_sh: fail
lkdtm_USERCOPY_HEAP_WHITELIST_FROM_sh: fail
lkdtm_USERCOPY_HEAP_WHITELIST_TO_sh: fail
lkdtm_USERCOPY_KERNEL_sh: fail
lkdtm_USERCOPY_STACK_BEYOND_sh: fail
lkdtm_USERCOPY_STACK_FRAME_FROM_sh: fail
lkdtm_USERCOPY_STACK_FRAME_TO_sh: fail
lkdtm_WARNING_MESSAGE_sh: pass
lkdtm_WARNING_sh: pass
lkdtm_WRITE_AFTER_FREE_sh: skip
lkdtm_WRITE_BUDDY_AFTER_FREE_sh: skip
lkdtm_WRITE_KERN_sh: fail
lkdtm_WRITE_RO_AFTER_INIT_sh: fail
lkdtm_WRITE_RO_sh: fail

 5413 10:22:50.092806  end: 3.1 lava-test-shell (duration 00:01:08) [common]
 5414 10:22:50.092971  end: 3 lava-test-retry (duration 00:01:08) [common]
 5415 10:22:50.093056  start: 4 finalize (timeout 00:06:31) [common]
 5416 10:22:50.093141  start: 4.1 power-off (timeout 00:00:30) [common]
 5417 10:22:50.093272  Calling: 'pduclient' '--daemon=localhost' '--hostname=pms-0' '--port=3' '--command=off'
 5418 10:22:50.160789  >> Command sent successfully.

 5419 10:22:50.164193  Returned 0 in 0 seconds
 5420 10:22:50.265219  end: 4.1 power-off (duration 00:00:00) [common]
 5422 10:22:50.266738  start: 4.2 read-feedback (timeout 00:06:31) [common]
 5423 10:22:50.268017  Listened to connection for namespace 'common' for up to 1s
 5424 10:22:50.268844  Listened to connection for namespace 'common' for up to 1s
 5425 10:22:51.268799  Finalising connection for namespace 'common'
 5426 10:22:51.269462  Disconnecting from shell: Finalise
 5427 10:22:51.269860  / # 
 5428 10:22:51.371055  end: 4.2 read-feedback (duration 00:00:01) [common]
 5429 10:22:51.371725  end: 4 finalize (duration 00:00:01) [common]
 5430 10:22:51.372249  Cleaning after the job
 5431 10:22:51.372709  Cleaning up download directory: /var/lib/lava/dispatcher/tmp/10590651/tftp-deploy-l5yqndaz/ramdisk
 5432 10:22:51.376820  Cleaning up download directory: /var/lib/lava/dispatcher/tmp/10590651/tftp-deploy-l5yqndaz/kernel
 5433 10:22:51.378127  Cleaning up download directory: /var/lib/lava/dispatcher/tmp/10590651/tftp-deploy-l5yqndaz/dtb
 5434 10:22:51.378287  Cleaning up download directory: /var/lib/lava/dispatcher/tmp/10590651/tftp-deploy-l5yqndaz/nfsrootfs
 5435 10:22:51.430899  Cleaning up download directory: /var/lib/lava/dispatcher/tmp/10590651/tftp-deploy-l5yqndaz/modules
 5436 10:22:51.434243  Override tmp directory removed at /var/lib/lava/dispatcher/tmp/10590651
 5437 10:22:51.894328  Root tmp directory removed at /var/lib/lava/dispatcher/tmp/10590651
 5438 10:22:51.894528  Job finished correctly