Boot log: imx6q-sabrelite

    1 21:34:53.345433  lava-dispatcher, installed at version: 2024.01
    2 21:34:53.345653  start: 0 validate
    3 21:34:53.345774  Start time: 2024-03-06 21:34:53.345766+00:00 (UTC)
    4 21:34:53.345899  Using caching service: 'http://localhost/cache/?uri=%s'
    5 21:34:53.346031  Validating that http://localhost/cache/?uri=http%3A%2F%2Fstorage.kernelci.org%2Fimages%2Frootfs%2Fdebian%2Fbullseye-kselftest%2F20240129.0%2Farmhf%2Finitrd.cpio.gz exists
    6 21:34:53.615760  Using caching service: 'http://localhost/cache/?uri=%s'
    7 21:34:53.616438  Validating that http://localhost/cache/?uri=http%3A%2F%2Fstorage.kernelci.org%2Fcip-gitlab%2Fci-iwamatsu-linux-5.10.y-cip-rc%2Fv5.10.209-cip44-594-gb47da48f3bae7%2Farm%2Fmulti_v7_defconfig%2Bkselftest%2Fgcc-10%2Fkernel%2FzImage exists
    8 21:34:57.124049  Using caching service: 'http://localhost/cache/?uri=%s'
    9 21:34:57.124704  Validating that http://localhost/cache/?uri=http%3A%2F%2Fstorage.kernelci.org%2Fcip-gitlab%2Fci-iwamatsu-linux-5.10.y-cip-rc%2Fv5.10.209-cip44-594-gb47da48f3bae7%2Farm%2Fmulti_v7_defconfig%2Bkselftest%2Fgcc-10%2Fdtbs%2Fimx6q-sabrelite.dtb exists
   10 21:34:57.629447  Using caching service: 'http://localhost/cache/?uri=%s'
   11 21:34:57.630161  Validating that http://localhost/cache/?uri=http%3A%2F%2Fstorage.kernelci.org%2Fimages%2Frootfs%2Fdebian%2Fbullseye-kselftest%2F20240129.0%2Farmhf%2Ffull.rootfs.tar.xz exists
   12 21:34:57.901697  Using caching service: 'http://localhost/cache/?uri=%s'
   13 21:34:57.902442  Validating that http://localhost/cache/?uri=http%3A%2F%2Fstorage.kernelci.org%2Fcip-gitlab%2Fci-iwamatsu-linux-5.10.y-cip-rc%2Fv5.10.209-cip44-594-gb47da48f3bae7%2Farm%2Fmulti_v7_defconfig%2Bkselftest%2Fgcc-10%2Fmodules.tar.xz exists
   14 21:35:00.405915  validate duration: 7.06
   16 21:35:00.406171  start: 1 tftp-deploy (timeout 00:10:00) [common]
   17 21:35:00.406266  start: 1.1 download-retry (timeout 00:10:00) [common]
   18 21:35:00.406354  start: 1.1.1 http-download (timeout 00:10:00) [common]
   19 21:35:00.406482  Not decompressing ramdisk as can be used compressed.
   20 21:35:00.406564  downloading http://storage.kernelci.org/images/rootfs/debian/bullseye-kselftest/20240129.0/armhf/initrd.cpio.gz
   21 21:35:00.406627  saving as /var/lib/lava/dispatcher/tmp/12965456/tftp-deploy-29duw6bv/ramdisk/initrd.cpio.gz
   22 21:35:00.406692  total size: 4017803 (3 MB)
   23 21:35:00.407781  progress   0 % (0 MB)
   24 21:35:00.409152  progress   5 % (0 MB)
   25 21:35:00.410322  progress  10 % (0 MB)
   26 21:35:00.411427  progress  15 % (0 MB)
   27 21:35:00.412507  progress  20 % (0 MB)
   28 21:35:00.413564  progress  25 % (0 MB)
   29 21:35:00.414728  progress  30 % (1 MB)
   30 21:35:00.415834  progress  35 % (1 MB)
   31 21:35:00.417086  progress  40 % (1 MB)
   32 21:35:00.418134  progress  45 % (1 MB)
   33 21:35:00.419304  progress  50 % (1 MB)
   34 21:35:00.420353  progress  55 % (2 MB)
   35 21:35:00.421458  progress  60 % (2 MB)
   36 21:35:00.422511  progress  65 % (2 MB)
   37 21:35:00.423612  progress  70 % (2 MB)
   38 21:35:00.424665  progress  75 % (2 MB)
   39 21:35:00.425875  progress  80 % (3 MB)
   40 21:35:00.426968  progress  85 % (3 MB)
   41 21:35:00.428012  progress  90 % (3 MB)
   42 21:35:00.429066  progress  95 % (3 MB)
   43 21:35:00.430129  progress 100 % (3 MB)
   44 21:35:00.430311  3 MB downloaded in 0.02 s (162.24 MB/s)
   45 21:35:00.430453  end: 1.1.1 http-download (duration 00:00:00) [common]
   47 21:35:00.430690  end: 1.1 download-retry (duration 00:00:00) [common]
   48 21:35:00.430802  start: 1.2 download-retry (timeout 00:10:00) [common]
   49 21:35:00.430917  start: 1.2.1 http-download (timeout 00:10:00) [common]
   50 21:35:00.431084  downloading http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.209-cip44-594-gb47da48f3bae7/arm/multi_v7_defconfig+kselftest/gcc-10/kernel/zImage
   51 21:35:00.431151  saving as /var/lib/lava/dispatcher/tmp/12965456/tftp-deploy-29duw6bv/kernel/zImage
   52 21:35:00.431211  total size: 12558848 (11 MB)
   53 21:35:00.431271  No compression specified
   54 21:35:00.432419  progress   0 % (0 MB)
   55 21:35:00.435852  progress   5 % (0 MB)
   56 21:35:00.439333  progress  10 % (1 MB)
   57 21:35:00.442670  progress  15 % (1 MB)
   58 21:35:00.446301  progress  20 % (2 MB)
   59 21:35:00.449629  progress  25 % (3 MB)
   60 21:35:00.452948  progress  30 % (3 MB)
   61 21:35:00.456587  progress  35 % (4 MB)
   62 21:35:00.459934  progress  40 % (4 MB)
   63 21:35:00.463268  progress  45 % (5 MB)
   64 21:35:00.466526  progress  50 % (6 MB)
   65 21:35:00.470002  progress  55 % (6 MB)
   66 21:35:00.473282  progress  60 % (7 MB)
   67 21:35:00.476883  progress  65 % (7 MB)
   68 21:35:00.480367  progress  70 % (8 MB)
   69 21:35:00.483573  progress  75 % (9 MB)
   70 21:35:00.486753  progress  80 % (9 MB)
   71 21:35:00.489957  progress  85 % (10 MB)
   72 21:35:00.493139  progress  90 % (10 MB)
   73 21:35:00.496517  progress  95 % (11 MB)
   74 21:35:00.499782  progress 100 % (11 MB)
   75 21:35:00.499956  11 MB downloaded in 0.07 s (174.24 MB/s)
   76 21:35:00.500101  end: 1.2.1 http-download (duration 00:00:00) [common]
   78 21:35:00.500353  end: 1.2 download-retry (duration 00:00:00) [common]
   79 21:35:00.500453  start: 1.3 download-retry (timeout 00:10:00) [common]
   80 21:35:00.500548  start: 1.3.1 http-download (timeout 00:10:00) [common]
   81 21:35:00.500693  downloading http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.209-cip44-594-gb47da48f3bae7/arm/multi_v7_defconfig+kselftest/gcc-10/dtbs/imx6q-sabrelite.dtb
   82 21:35:00.500762  saving as /var/lib/lava/dispatcher/tmp/12965456/tftp-deploy-29duw6bv/dtb/imx6q-sabrelite.dtb
   83 21:35:00.500838  total size: 42661 (0 MB)
   84 21:35:00.500900  No compression specified
   85 21:35:00.502036  progress  76 % (0 MB)
   86 21:35:00.502338  progress 100 % (0 MB)
   87 21:35:00.502472  0 MB downloaded in 0.00 s (24.94 MB/s)
   88 21:35:00.502594  end: 1.3.1 http-download (duration 00:00:00) [common]
   90 21:35:00.502859  end: 1.3 download-retry (duration 00:00:00) [common]
   91 21:35:00.502946  start: 1.4 download-retry (timeout 00:10:00) [common]
   92 21:35:00.503028  start: 1.4.1 http-download (timeout 00:10:00) [common]
   93 21:35:00.503172  downloading http://storage.kernelci.org/images/rootfs/debian/bullseye-kselftest/20240129.0/armhf/full.rootfs.tar.xz
   94 21:35:00.503239  saving as /var/lib/lava/dispatcher/tmp/12965456/tftp-deploy-29duw6bv/nfsrootfs/full.rootfs.tar
   95 21:35:00.503299  total size: 195820864 (186 MB)
   96 21:35:00.503360  Using unxz to decompress xz
   97 21:35:00.507590  progress   0 % (0 MB)
   98 21:35:01.036562  progress   5 % (9 MB)
   99 21:35:01.541468  progress  10 % (18 MB)
  100 21:35:02.107959  progress  15 % (28 MB)
  101 21:35:02.492275  progress  20 % (37 MB)
  102 21:35:02.794032  progress  25 % (46 MB)
  103 21:35:03.380951  progress  30 % (56 MB)
  104 21:35:03.936545  progress  35 % (65 MB)
  105 21:35:04.505740  progress  40 % (74 MB)
  106 21:35:05.063140  progress  45 % (84 MB)
  107 21:35:05.613720  progress  50 % (93 MB)
  108 21:35:06.218236  progress  55 % (102 MB)
  109 21:35:06.862714  progress  60 % (112 MB)
  110 21:35:06.980045  progress  65 % (121 MB)
  111 21:35:07.132326  progress  70 % (130 MB)
  112 21:35:07.219412  progress  75 % (140 MB)
  113 21:35:07.286479  progress  80 % (149 MB)
  114 21:35:07.353281  progress  85 % (158 MB)
  115 21:35:07.451838  progress  90 % (168 MB)
  116 21:35:07.741284  progress  95 % (177 MB)
  117 21:35:08.302826  progress 100 % (186 MB)
  118 21:35:08.309241  186 MB downloaded in 7.81 s (23.92 MB/s)
  119 21:35:08.309497  end: 1.4.1 http-download (duration 00:00:08) [common]
  121 21:35:08.309766  end: 1.4 download-retry (duration 00:00:08) [common]
  122 21:35:08.309857  start: 1.5 download-retry (timeout 00:09:52) [common]
  123 21:35:08.309946  start: 1.5.1 http-download (timeout 00:09:52) [common]
  124 21:35:08.310098  downloading http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.209-cip44-594-gb47da48f3bae7/arm/multi_v7_defconfig+kselftest/gcc-10/modules.tar.xz
  125 21:35:08.310168  saving as /var/lib/lava/dispatcher/tmp/12965456/tftp-deploy-29duw6bv/modules/modules.tar
  126 21:35:08.310228  total size: 7403064 (7 MB)
  127 21:35:08.310291  Using unxz to decompress xz
  128 21:35:08.572863  progress   0 % (0 MB)
  129 21:35:08.592510  progress   5 % (0 MB)
  130 21:35:08.615748  progress  10 % (0 MB)
  131 21:35:08.635750  progress  15 % (1 MB)
  132 21:35:08.659633  progress  20 % (1 MB)
  133 21:35:08.680886  progress  25 % (1 MB)
  134 21:35:08.700678  progress  30 % (2 MB)
  135 21:35:08.722659  progress  35 % (2 MB)
  136 21:35:08.743293  progress  40 % (2 MB)
  137 21:35:08.766325  progress  45 % (3 MB)
  138 21:35:08.787018  progress  50 % (3 MB)
  139 21:35:08.809156  progress  55 % (3 MB)
  140 21:35:08.829730  progress  60 % (4 MB)
  141 21:35:08.850009  progress  65 % (4 MB)
  142 21:35:08.872296  progress  70 % (4 MB)
  143 21:35:08.893143  progress  75 % (5 MB)
  144 21:35:08.913864  progress  80 % (5 MB)
  145 21:35:08.935978  progress  85 % (6 MB)
  146 21:35:08.957300  progress  90 % (6 MB)
  147 21:35:08.978877  progress  95 % (6 MB)
  148 21:35:08.999383  progress 100 % (7 MB)
  149 21:35:09.005614  7 MB downloaded in 0.70 s (10.15 MB/s)
  150 21:35:09.005872  end: 1.5.1 http-download (duration 00:00:01) [common]
  152 21:35:09.006143  end: 1.5 download-retry (duration 00:00:01) [common]
  153 21:35:09.006234  start: 1.6 prepare-tftp-overlay (timeout 00:09:51) [common]
  154 21:35:09.006327  start: 1.6.1 extract-nfsrootfs (timeout 00:09:51) [common]
  155 21:35:12.393642  Extracted nfsroot to /var/lib/lava/dispatcher/tmp/12965456/extract-nfsrootfs-1mkguq4j
  156 21:35:12.393859  end: 1.6.1 extract-nfsrootfs (duration 00:00:03) [common]
  157 21:35:12.393959  start: 1.6.2 lava-overlay (timeout 00:09:48) [common]
  158 21:35:12.394137  [common] Preparing overlay tarball in /var/lib/lava/dispatcher/tmp/12965456/lava-overlay-drha2hm8
  159 21:35:12.394271  makedir: /var/lib/lava/dispatcher/tmp/12965456/lava-overlay-drha2hm8/lava-12965456/bin
  160 21:35:12.394378  makedir: /var/lib/lava/dispatcher/tmp/12965456/lava-overlay-drha2hm8/lava-12965456/tests
  161 21:35:12.394476  makedir: /var/lib/lava/dispatcher/tmp/12965456/lava-overlay-drha2hm8/lava-12965456/results
  162 21:35:12.394580  Creating /var/lib/lava/dispatcher/tmp/12965456/lava-overlay-drha2hm8/lava-12965456/bin/lava-add-keys
  163 21:35:12.394726  Creating /var/lib/lava/dispatcher/tmp/12965456/lava-overlay-drha2hm8/lava-12965456/bin/lava-add-sources
  164 21:35:12.394898  Creating /var/lib/lava/dispatcher/tmp/12965456/lava-overlay-drha2hm8/lava-12965456/bin/lava-background-process-start
  165 21:35:12.395027  Creating /var/lib/lava/dispatcher/tmp/12965456/lava-overlay-drha2hm8/lava-12965456/bin/lava-background-process-stop
  166 21:35:12.395155  Creating /var/lib/lava/dispatcher/tmp/12965456/lava-overlay-drha2hm8/lava-12965456/bin/lava-common-functions
  167 21:35:12.395282  Creating /var/lib/lava/dispatcher/tmp/12965456/lava-overlay-drha2hm8/lava-12965456/bin/lava-echo-ipv4
  168 21:35:12.395409  Creating /var/lib/lava/dispatcher/tmp/12965456/lava-overlay-drha2hm8/lava-12965456/bin/lava-install-packages
  169 21:35:12.395534  Creating /var/lib/lava/dispatcher/tmp/12965456/lava-overlay-drha2hm8/lava-12965456/bin/lava-installed-packages
  170 21:35:12.395658  Creating /var/lib/lava/dispatcher/tmp/12965456/lava-overlay-drha2hm8/lava-12965456/bin/lava-os-build
  171 21:35:12.395784  Creating /var/lib/lava/dispatcher/tmp/12965456/lava-overlay-drha2hm8/lava-12965456/bin/lava-probe-channel
  172 21:35:12.395909  Creating /var/lib/lava/dispatcher/tmp/12965456/lava-overlay-drha2hm8/lava-12965456/bin/lava-probe-ip
  173 21:35:12.396034  Creating /var/lib/lava/dispatcher/tmp/12965456/lava-overlay-drha2hm8/lava-12965456/bin/lava-target-ip
  174 21:35:12.396158  Creating /var/lib/lava/dispatcher/tmp/12965456/lava-overlay-drha2hm8/lava-12965456/bin/lava-target-mac
  175 21:35:12.396284  Creating /var/lib/lava/dispatcher/tmp/12965456/lava-overlay-drha2hm8/lava-12965456/bin/lava-target-storage
  176 21:35:12.396412  Creating /var/lib/lava/dispatcher/tmp/12965456/lava-overlay-drha2hm8/lava-12965456/bin/lava-test-case
  177 21:35:12.396537  Creating /var/lib/lava/dispatcher/tmp/12965456/lava-overlay-drha2hm8/lava-12965456/bin/lava-test-event
  178 21:35:12.396661  Creating /var/lib/lava/dispatcher/tmp/12965456/lava-overlay-drha2hm8/lava-12965456/bin/lava-test-feedback
  179 21:35:12.396783  Creating /var/lib/lava/dispatcher/tmp/12965456/lava-overlay-drha2hm8/lava-12965456/bin/lava-test-raise
  180 21:35:12.396907  Creating /var/lib/lava/dispatcher/tmp/12965456/lava-overlay-drha2hm8/lava-12965456/bin/lava-test-reference
  181 21:35:12.397033  Creating /var/lib/lava/dispatcher/tmp/12965456/lava-overlay-drha2hm8/lava-12965456/bin/lava-test-runner
  182 21:35:12.397157  Creating /var/lib/lava/dispatcher/tmp/12965456/lava-overlay-drha2hm8/lava-12965456/bin/lava-test-set
  183 21:35:12.397283  Creating /var/lib/lava/dispatcher/tmp/12965456/lava-overlay-drha2hm8/lava-12965456/bin/lava-test-shell
  184 21:35:12.397409  Updating /var/lib/lava/dispatcher/tmp/12965456/lava-overlay-drha2hm8/lava-12965456/bin/lava-add-keys (debian)
  185 21:35:12.397561  Updating /var/lib/lava/dispatcher/tmp/12965456/lava-overlay-drha2hm8/lava-12965456/bin/lava-add-sources (debian)
  186 21:35:12.397704  Updating /var/lib/lava/dispatcher/tmp/12965456/lava-overlay-drha2hm8/lava-12965456/bin/lava-install-packages (debian)
  187 21:35:12.397843  Updating /var/lib/lava/dispatcher/tmp/12965456/lava-overlay-drha2hm8/lava-12965456/bin/lava-installed-packages (debian)
  188 21:35:12.397980  Updating /var/lib/lava/dispatcher/tmp/12965456/lava-overlay-drha2hm8/lava-12965456/bin/lava-os-build (debian)
  189 21:35:12.398102  Creating /var/lib/lava/dispatcher/tmp/12965456/lava-overlay-drha2hm8/lava-12965456/environment
  190 21:35:12.398198  LAVA metadata
  191 21:35:12.398269  - LAVA_JOB_ID=12965456
  192 21:35:12.398333  - LAVA_DISPATCHER_IP=192.168.201.1
  193 21:35:12.398437  start: 1.6.2.1 ssh-authorize (timeout 00:09:48) [common]
  194 21:35:12.398669  end: 1.6.2.1 ssh-authorize (duration 00:00:00) [common]
  195 21:35:12.398760  start: 1.6.2.2 lava-vland-overlay (timeout 00:09:48) [common]
  196 21:35:12.398876  skipped lava-vland-overlay
  197 21:35:12.398953  end: 1.6.2.2 lava-vland-overlay (duration 00:00:00) [common]
  198 21:35:12.399034  start: 1.6.2.3 lava-multinode-overlay (timeout 00:09:48) [common]
  199 21:35:12.399097  skipped lava-multinode-overlay
  200 21:35:12.399170  end: 1.6.2.3 lava-multinode-overlay (duration 00:00:00) [common]
  201 21:35:12.399248  start: 1.6.2.4 test-definition (timeout 00:09:48) [common]
  202 21:35:12.399323  Loading test definitions
  203 21:35:12.399409  start: 1.6.2.4.1 inline-repo-action (timeout 00:09:48) [common]
  204 21:35:12.399482  Using /lava-12965456 at stage 0
  205 21:35:12.399773  uuid=12965456_1.6.2.4.1 testdef=None
  206 21:35:12.399860  end: 1.6.2.4.1 inline-repo-action (duration 00:00:00) [common]
  207 21:35:12.399943  start: 1.6.2.4.2 test-overlay (timeout 00:09:48) [common]
  208 21:35:12.400389  end: 1.6.2.4.2 test-overlay (duration 00:00:00) [common]
  210 21:35:12.400655  start: 1.6.2.4.3 test-install-overlay (timeout 00:09:48) [common]
  211 21:35:12.401258  end: 1.6.2.4.3 test-install-overlay (duration 00:00:00) [common]
  213 21:35:12.401484  start: 1.6.2.4.4 test-runscript-overlay (timeout 00:09:48) [common]
  214 21:35:12.402022  runner path: /var/lib/lava/dispatcher/tmp/12965456/lava-overlay-drha2hm8/lava-12965456/0/tests/0_timesync-off test_uuid 12965456_1.6.2.4.1
  215 21:35:12.402182  end: 1.6.2.4.4 test-runscript-overlay (duration 00:00:00) [common]
  217 21:35:12.402403  start: 1.6.2.4.5 git-repo-action (timeout 00:09:48) [common]
  218 21:35:12.402473  Using /lava-12965456 at stage 0
  219 21:35:12.402570  Fetching tests from https://github.com/kernelci/test-definitions.git
  220 21:35:12.402657  Running '/usr/bin/git clone https://github.com/kernelci/test-definitions.git /var/lib/lava/dispatcher/tmp/12965456/lava-overlay-drha2hm8/lava-12965456/0/tests/1_kselftest-lkdtm'
  221 21:35:15.777084  Running '/usr/bin/git checkout kernelci.org
  222 21:35:15.930443  Tests stored (tmp) in /var/lib/lava/dispatcher/tmp/12965456/lava-overlay-drha2hm8/lava-12965456/0/tests/1_kselftest-lkdtm/automated/linux/kselftest/kselftest.yaml
  223 21:35:15.931215  uuid=12965456_1.6.2.4.5 testdef=None
  224 21:35:15.931381  end: 1.6.2.4.5 git-repo-action (duration 00:00:04) [common]
  226 21:35:15.931623  start: 1.6.2.4.6 test-overlay (timeout 00:09:44) [common]
  227 21:35:15.932404  end: 1.6.2.4.6 test-overlay (duration 00:00:00) [common]
  229 21:35:15.932628  start: 1.6.2.4.7 test-install-overlay (timeout 00:09:44) [common]
  230 21:35:15.933599  end: 1.6.2.4.7 test-install-overlay (duration 00:00:00) [common]
  232 21:35:15.933834  start: 1.6.2.4.8 test-runscript-overlay (timeout 00:09:44) [common]
  233 21:35:15.934757  runner path: /var/lib/lava/dispatcher/tmp/12965456/lava-overlay-drha2hm8/lava-12965456/0/tests/1_kselftest-lkdtm test_uuid 12965456_1.6.2.4.5
  234 21:35:15.934883  BOARD='imx6q-sabrelite'
  235 21:35:15.934947  BRANCH='cip-gitlab'
  236 21:35:15.935009  SKIPFILE='/dev/null'
  237 21:35:15.935066  SKIP_INSTALL='True'
  238 21:35:15.935120  TESTPROG_URL='http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.209-cip44-594-gb47da48f3bae7/arm/multi_v7_defconfig+kselftest/gcc-10/kselftest.tar.xz'
  239 21:35:15.935177  TST_CASENAME=''
  240 21:35:15.935232  TST_CMDFILES='lkdtm'
  241 21:35:15.935371  end: 1.6.2.4.8 test-runscript-overlay (duration 00:00:00) [common]
  243 21:35:15.935574  Creating lava-test-runner.conf files
  244 21:35:15.935638  Using lava-test-runner path: /var/lib/lava/dispatcher/tmp/12965456/lava-overlay-drha2hm8/lava-12965456/0 for stage 0
  245 21:35:15.935730  - 0_timesync-off
  246 21:35:15.935802  - 1_kselftest-lkdtm
  247 21:35:15.935898  end: 1.6.2.4 test-definition (duration 00:00:04) [common]
  248 21:35:15.935986  start: 1.6.2.5 compress-overlay (timeout 00:09:44) [common]
  249 21:35:23.404450  end: 1.6.2.5 compress-overlay (duration 00:00:07) [common]
  250 21:35:23.404603  start: 1.6.2.6 persistent-nfs-overlay (timeout 00:09:37) [common]
  251 21:35:23.404697  end: 1.6.2.6 persistent-nfs-overlay (duration 00:00:00) [common]
  252 21:35:23.404792  end: 1.6.2 lava-overlay (duration 00:00:11) [common]
  253 21:35:23.404882  start: 1.6.3 extract-overlay-ramdisk (timeout 00:09:37) [common]
  254 21:35:23.489655  end: 1.6.3 extract-overlay-ramdisk (duration 00:00:00) [common]
  255 21:35:23.490035  start: 1.6.4 extract-modules (timeout 00:09:37) [common]
  256 21:35:23.490146  extracting modules file /var/lib/lava/dispatcher/tmp/12965456/tftp-deploy-29duw6bv/modules/modules.tar to /var/lib/lava/dispatcher/tmp/12965456/extract-nfsrootfs-1mkguq4j
  257 21:35:23.663324  extracting modules file /var/lib/lava/dispatcher/tmp/12965456/tftp-deploy-29duw6bv/modules/modules.tar to /var/lib/lava/dispatcher/tmp/12965456/extract-overlay-ramdisk-6gkzn7po/ramdisk
  258 21:35:23.841385  end: 1.6.4 extract-modules (duration 00:00:00) [common]
  259 21:35:23.841558  start: 1.6.5 apply-overlay-tftp (timeout 00:09:37) [common]
  260 21:35:23.841654  [common] Applying overlay to NFS
  261 21:35:23.841728  [common] Applying overlay /var/lib/lava/dispatcher/tmp/12965456/compress-overlay-di0smbt7/overlay-1.6.2.5.tar.gz to directory /var/lib/lava/dispatcher/tmp/12965456/extract-nfsrootfs-1mkguq4j
  262 21:35:24.759918  end: 1.6.5 apply-overlay-tftp (duration 00:00:01) [common]
  263 21:35:24.760089  start: 1.6.6 prepare-kernel (timeout 00:09:36) [common]
  264 21:35:24.760191  start: 1.6.6.1 uboot-prepare-kernel (timeout 00:09:36) [common]
  265 21:35:24.760289  end: 1.6.6.1 uboot-prepare-kernel (duration 00:00:00) [common]
  266 21:35:24.760374  end: 1.6.6 prepare-kernel (duration 00:00:00) [common]
  267 21:35:24.760459  start: 1.6.7 configure-preseed-file (timeout 00:09:36) [common]
  268 21:35:24.760543  end: 1.6.7 configure-preseed-file (duration 00:00:00) [common]
  269 21:35:24.760627  start: 1.6.8 compress-ramdisk (timeout 00:09:36) [common]
  270 21:35:24.760701  Building ramdisk /var/lib/lava/dispatcher/tmp/12965456/extract-overlay-ramdisk-6gkzn7po/ramdisk.cpio containing /var/lib/lava/dispatcher/tmp/12965456/extract-overlay-ramdisk-6gkzn7po/ramdisk
  271 21:35:24.978104  >> 80207 blocks

  272 21:35:26.636263  Adding RAMdisk u-boot header.
  273 21:35:26.636739  mkimage -A arm -T ramdisk -C none -d /var/lib/lava/dispatcher/tmp/12965456/extract-overlay-ramdisk-6gkzn7po/ramdisk.cpio.gz /var/lib/lava/dispatcher/tmp/12965456/extract-overlay-ramdisk-6gkzn7po/ramdisk.cpio.gz.uboot
  274 21:35:26.693303  output: Image Name:   
  275 21:35:26.693765  output: Created:      Wed Mar  6 21:35:26 2024
  276 21:35:26.693883  output: Image Type:   ARM Linux RAMDisk Image (uncompressed)
  277 21:35:26.693985  output: Data Size:    15340925 Bytes = 14981.37 KiB = 14.63 MiB
  278 21:35:26.694090  output: Load Address: 00000000
  279 21:35:26.694189  output: Entry Point:  00000000
  280 21:35:26.694284  output: 
  281 21:35:26.694452  rename /var/lib/lava/dispatcher/tmp/12965456/extract-overlay-ramdisk-6gkzn7po/ramdisk.cpio.gz.uboot to /var/lib/lava/dispatcher/tmp/12965456/tftp-deploy-29duw6bv/ramdisk/ramdisk.cpio.gz.uboot
  282 21:35:26.694731  end: 1.6.8 compress-ramdisk (duration 00:00:02) [common]
  283 21:35:26.694915  end: 1.6 prepare-tftp-overlay (duration 00:00:18) [common]
  284 21:35:26.695066  start: 1.7 lxc-create-udev-rule-action (timeout 00:09:34) [common]
  285 21:35:26.695192  No LXC device requested
  286 21:35:26.695316  end: 1.7 lxc-create-udev-rule-action (duration 00:00:00) [common]
  287 21:35:26.695441  start: 1.8 deploy-device-env (timeout 00:09:34) [common]
  288 21:35:26.695566  end: 1.8 deploy-device-env (duration 00:00:00) [common]
  289 21:35:26.695684  Checking files for TFTP limit of 4294967296 bytes.
  290 21:35:26.696349  end: 1 tftp-deploy (duration 00:00:26) [common]
  291 21:35:26.696502  start: 2 uboot-action (timeout 00:05:00) [common]
  292 21:35:26.696640  start: 2.1 uboot-from-media (timeout 00:05:00) [common]
  293 21:35:26.696765  end: 2.1 uboot-from-media (duration 00:00:00) [common]
  294 21:35:26.696891  start: 2.2 bootloader-overlay (timeout 00:05:00) [common]
  295 21:35:26.697126  substitutions:
  296 21:35:26.697231  - {BOOTX}: bootz 0x10000000 0x14000000 0x13f00000
  297 21:35:26.697329  - {DTB_ADDR}: 0x13f00000
  298 21:35:26.697421  - {DTB}: 12965456/tftp-deploy-29duw6bv/dtb/imx6q-sabrelite.dtb
  299 21:35:26.697511  - {INITRD}: 12965456/tftp-deploy-29duw6bv/ramdisk/ramdisk.cpio.gz.uboot
  300 21:35:26.697596  - {KERNEL_ADDR}: 0x10000000
  301 21:35:26.697685  - {KERNEL}: 12965456/tftp-deploy-29duw6bv/kernel/zImage
  302 21:35:26.697775  - {LAVA_MAC}: None
  303 21:35:26.697865  - {NFSROOTFS}: /var/lib/lava/dispatcher/tmp/12965456/extract-nfsrootfs-1mkguq4j
  304 21:35:26.697961  - {NFS_SERVER_IP}: 192.168.201.1
  305 21:35:26.698052  - {PRESEED_CONFIG}: None
  306 21:35:26.698143  - {PRESEED_LOCAL}: None
  307 21:35:26.698234  - {RAMDISK_ADDR}: 0x14000000
  308 21:35:26.698325  - {RAMDISK}: 12965456/tftp-deploy-29duw6bv/ramdisk/ramdisk.cpio.gz.uboot
  309 21:35:26.698415  - {ROOT_PART}: None
  310 21:35:26.698505  - {ROOT}: None
  311 21:35:26.698597  - {SERVER_IP}: 192.168.201.1
  312 21:35:26.698687  - {TEE_ADDR}: 0x83000000
  313 21:35:26.698792  - {TEE}: None
  314 21:35:26.698885  Parsed boot commands:
  315 21:35:26.698975  - setenv autoload no
  316 21:35:26.699066  - setenv initrd_high 0xffffffff
  317 21:35:26.699160  - setenv fdt_high 0xffffffff
  318 21:35:26.699253  - dhcp
  319 21:35:26.699344  - setenv serverip 192.168.201.1
  320 21:35:26.699435  - tftp 0x10000000 12965456/tftp-deploy-29duw6bv/kernel/zImage
  321 21:35:26.699524  - tftp 0x14000000 12965456/tftp-deploy-29duw6bv/ramdisk/ramdisk.cpio.gz.uboot
  322 21:35:26.699609  - setenv initrd_size ${filesize}
  323 21:35:26.699697  - tftp 0x13f00000 12965456/tftp-deploy-29duw6bv/dtb/imx6q-sabrelite.dtb
  324 21:35:26.699788  - setenv bootargs 'console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/12965456/extract-nfsrootfs-1mkguq4j,tcp,hard console_msg_format=syslog earlycon deferred_probe_timeout=60 ip=dhcp'
  325 21:35:26.699885  - bootz 0x10000000 0x14000000 0x13f00000
  326 21:35:26.700000  end: 2.2 bootloader-overlay (duration 00:00:00) [common]
  328 21:35:26.700349  start: 2.3 connect-device (timeout 00:05:00) [common]
  329 21:35:26.700466  [common] connect-device Connecting to device using '/usr/bin/console -f -k -M localhost imx6q-sabrelite-lava-cbg-1'
  330 21:35:26.705184  Setting prompt string to ['lava-test: # ']
  331 21:35:26.705622  end: 2.3 connect-device (duration 00:00:00) [common]
  332 21:35:26.705766  start: 2.4 uboot-commands (timeout 00:05:00) [common]
  333 21:35:26.705905  start: 2.4.1 reset-device (timeout 00:05:00) [common]
  334 21:35:26.706039  start: 2.4.1.1 pdu-reboot (timeout 00:05:00) [common]
  335 21:35:26.706308  Calling: 'pduclient' '--daemon=localhost' '--hostname=pms-0' '--port=2' '--command=reboot'
  336 21:35:31.822435  >> Command sent successfully.

  337 21:35:31.825968  Returned 0 in 5 seconds
  338 21:35:31.926757  end: 2.4.1.1 pdu-reboot (duration 00:00:05) [common]
  340 21:35:31.928204  end: 2.4.1 reset-device (duration 00:00:05) [common]
  341 21:35:31.928879  start: 2.4.2 bootloader-interrupt (timeout 00:04:55) [common]
  342 21:35:31.929481  Setting prompt string to ['Hit any key to stop autoboot']
  343 21:35:31.929981  bootloader-interrupt: Wait for prompt ['Hit any key to stop autoboot'] (timeout 00:05:00)
  344 21:35:31.931232  [Enter `^Ec?' for help]

  345 21:35:34.429018  

  346 21:35:34.429540  

  347 21:35:34.460496  U-Boot 2021.10+dfsg-1+apertis10bv2023dev2b2 (Apr 18 2022 - 16:34:49 +0000)

  348 21:35:34.460678  

  349 21:35:34.460803  CPU:   Freescale i.MX6Q rev1.0 at 792 MHz

  350 21:35:34.460922  Reset cause: POR

  351 21:35:34.461033  Model: Freescale i.MX6 Quad SABRE Lite Board

  352 21:35:34.461142  Board: SABRE Lite

  353 21:35:34.461248  I2C:   ready

  354 21:35:34.461361  DRAM:  1 GiB

  355 21:35:34.551323  MMC:   FSL_SDHC: 0, FSL_SDHC: 1

  356 21:35:34.551906  Loading Environment from SPIFlash... SF: Detected sst25vf016b with page size 256 Bytes, erase size 4 KiB, total 2 MiB

  357 21:35:34.552308  *** Warning - bad CRC, using default environment

  358 21:35:34.552699  

  359 21:35:34.553038  In:    serial

  360 21:35:34.553368  Out:   serial

  361 21:35:34.553691  Err:   serial

  362 21:35:34.554007  Net:   using phy at 6

  363 21:35:34.572550  FEC [PRIME], usb_ether

  364 21:35:34.573071  Error: usb_ether address not set.

  365 21:35:34.573411  

  366 21:35:34.573728  starting USB...

  367 21:35:34.574033  Bus usb@2184000: usb dr_mode not found

  368 21:35:34.620150  Bus usb@2184200: USB EHCI 1.00

  369 21:35:37.669116  scanning bus usb@2184000 for devices... 1 USB Device(s) found

  370 21:35:42.812864  scanning bus usb@2184200 for devices... 2 USB Device(s) found

  371 21:35:42.813367         scanning usb for storage devices... 0 Storage Device(s) found

  372 21:35:42.813723         scanning usb for ethernet devices... 0 Ethernet Device(s) found

  374 21:35:42.976177  Hit any key to stop autoboot:  3 

  375 21:35:42.976959  end: 2.4.2 bootloader-interrupt (duration 00:00:11) [common]
  376 21:35:42.977621  start: 2.4.3 bootloader-commands (timeout 00:04:44) [common]
  377 21:35:42.978066  Setting prompt string to ['=>']
  378 21:35:42.978527  bootloader-commands: Wait for prompt ['=>'] (timeout 00:04:44)
  379 21:35:42.988674   0 

  380 21:35:42.989763  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 21:35:42.990240  Sending with 10 millisecond of delay
  383 21:35:44.130282  => setenv autoload no

  384 21:35:44.141164  bootloader-commands: Wait for prompt ['=>', 'Resetting CPU', 'Must RESET board to recover', 'TIMEOUT', 'Retry count exceeded', 'Retry time exceeded; starting again', 'ERROR: The remote end did not respond in time.', 'File not found', 'Bad Linux ARM64 Image magic!', 'Wrong Ramdisk Image Format', 'Ramdisk image is corrupt or invalid', 'ERROR: Failed to allocate', 'TFTP error: trying to overwrite reserved memory', 'Bad Linux RISCV Image magic!', 'Wrong Image Format for boot', 'ERROR: Did not find a cmdline Flattened Device Tree', 'ERROR: RD image overlaps OS image'] (timeout 00:04:43)
  385 21:35:44.146230  setenv autoload no

  386 21:35:44.146490  Sending with 10 millisecond of delay
  388 21:35:45.947069  => setenv initrd_high 0xffffffff

  389 21:35:45.957967  bootloader-commands: Wait for prompt ['=>', 'Resetting CPU', 'Must RESET board to recover', 'TIMEOUT', 'Retry count exceeded', 'Retry time exceeded; starting again', 'ERROR: The remote end did not respond in time.', 'File not found', 'Bad Linux ARM64 Image magic!', 'Wrong Ramdisk Image Format', 'Ramdisk image is corrupt or invalid', 'ERROR: Failed to allocate', 'TFTP error: trying to overwrite reserved memory', 'Bad Linux RISCV Image magic!', 'Wrong Image Format for boot', 'ERROR: Did not find a cmdline Flattened Device Tree', 'ERROR: RD image overlaps OS image'] (timeout 00:04:41)
  390 21:35:45.962989  setenv initrd_high 0xffffffff

  391 21:35:45.963854  Sending with 10 millisecond of delay
  393 21:35:47.587318  => setenv fdt_high 0xffffffff

  394 21:35:47.598318  bootloader-commands: Wait for prompt ['=>', 'Resetting CPU', 'Must RESET board to recover', 'TIMEOUT', 'Retry count exceeded', 'Retry time exceeded; starting again', 'ERROR: The remote end did not respond in time.', 'File not found', 'Bad Linux ARM64 Image magic!', 'Wrong Ramdisk Image Format', 'Ramdisk image is corrupt or invalid', 'ERROR: Failed to allocate', 'TFTP error: trying to overwrite reserved memory', 'Bad Linux RISCV Image magic!', 'Wrong Image Format for boot', 'ERROR: Did not find a cmdline Flattened Device Tree', 'ERROR: RD image overlaps OS image'] (timeout 00:04:39)
  395 21:35:47.599208  setenv fdt_high 0xffffffff

  396 21:35:47.599923  Sending with 10 millisecond of delay
  398 21:35:47.892715  => dhcp

  399 21:35:47.903499  bootloader-commands: Wait for prompt ['=>', 'Resetting CPU', 'Must RESET board to recover', 'TIMEOUT', 'Retry count exceeded', 'Retry time exceeded; starting again', 'ERROR: The remote end did not respond in time.', 'File not found', 'Bad Linux ARM64 Image magic!', 'Wrong Ramdisk Image Format', 'Ramdisk image is corrupt or invalid', 'ERROR: Failed to allocate', 'TFTP error: trying to overwrite reserved memory', 'Bad Linux RISCV Image magic!', 'Wrong Image Format for boot', 'ERROR: Did not find a cmdline Flattened Device Tree', 'ERROR: RD image overlaps OS image'] (timeout 00:04:39)
  400 21:35:47.904326  dhcp

  401 21:35:48.008950  BOOTP broadcast 1

  402 21:35:48.025629  DHCP client bound to address 192.168.201.12 (19 ms)

  403 21:35:48.026003  Sending with 10 millisecond of delay
  405 21:35:49.830237  => setenv serverip 192.168.201.1

  406 21:35:49.841199  bootloader-commands: Wait for prompt ['=>', 'Resetting CPU', 'Must RESET board to recover', 'TIMEOUT', 'Retry count exceeded', 'Retry time exceeded; starting again', 'ERROR: The remote end did not respond in time.', 'File not found', 'Bad Linux ARM64 Image magic!', 'Wrong Ramdisk Image Format', 'Ramdisk image is corrupt or invalid', 'ERROR: Failed to allocate', 'TFTP error: trying to overwrite reserved memory', 'Bad Linux RISCV Image magic!', 'Wrong Image Format for boot', 'ERROR: Did not find a cmdline Flattened Device Tree', 'ERROR: RD image overlaps OS image'] (timeout 00:04:37)
  407 21:35:49.842036  setenv serverip 192.168.201.1

  408 21:35:49.848961  Sending with 10 millisecond of delay
  410 21:35:53.468554  => tftp 0x10000000 12965456/tftp-deploy-29duw6bv/kernel/zImage

  411 21:35:53.479314  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 00:04:33)
  412 21:35:53.480127  tftp 0x10000000 12965456/tftp-deploy-29duw6bv/kernel/zImage

  413 21:35:53.573730  Using FEC device

  414 21:35:53.600770  TFTP from server 192.168.201.1; our IP address is 192.168.201.12

  415 21:35:53.601344  Filename '12965456/tftp-deploy-29duw6bv/kernel/zImage'.

  416 21:35:53.601892  Load address: 0x10000000

  417 21:35:53.856626  Loading: *#################################################################

  418 21:35:54.032259  	 #################################################################

  419 21:35:54.239921  	 #################################################################

  420 21:35:54.431720  	 #################################################################

  421 21:35:54.623801  	 #################################################################

  422 21:35:54.815534  	 #################################################################

  423 21:35:54.991634  	 #################################################################

  424 21:35:55.183490  	 #################################################################

  425 21:35:55.375229  	 #################################################################

  426 21:35:55.551336  	 #################################################################

  427 21:35:55.727002  	 #################################################################

  428 21:35:55.887196  	 #################################################################

  429 21:35:56.062932  	 #################################################################

  430 21:35:56.095079  	 ###########

  431 21:35:56.095207  	 4.8 MiB/s

  432 21:35:56.095300  done

  433 21:35:56.111115  Bytes transferred = 12558848 (bfa200 hex)

  434 21:35:56.111508  Sending with 10 millisecond of delay
  436 21:36:00.684651  => tftp 0x14000000 12965456/tftp-deploy-29duw6bv/ramdisk/ramdisk.cpio.gz.uboot

  437 21:36:00.695473  bootloader-commands: Wait for prompt ['=>', 'Resetting CPU', 'Must RESET board to recover', 'TIMEOUT', 'Retry count exceeded', 'Retry time exceeded; starting again', 'ERROR: The remote end did not respond in time.', 'File not found', 'Bad Linux ARM64 Image magic!', 'Wrong Ramdisk Image Format', 'Ramdisk image is corrupt or invalid', 'ERROR: Failed to allocate', 'TFTP error: trying to overwrite reserved memory', 'Bad Linux RISCV Image magic!', 'Wrong Image Format for boot', 'ERROR: Did not find a cmdline Flattened Device Tree', 'ERROR: RD image overlaps OS image'] (timeout 00:04:26)
  438 21:36:00.700827  tftp 0x14000000 12965456/tftp-deploy-29duw6bv/ramdisk/ramdisk.cpio.gz.uboot

  439 21:36:00.819357  Using FEC device

  440 21:36:00.819887  TFTP from server 192.168.201.1; our IP address is 192.168.201.12

  441 21:36:00.820241  Filename '12965456/tftp-deploy-29duw6bv/ramdisk/ramdisk.cpio.gz.uboot'.

  442 21:36:00.820564  Load address: 0x14000000

  443 21:36:01.107228  Loading: *#################################################################

  444 21:36:01.379023  	 #################################################################

  445 21:36:01.666926  	 #################################################################

  446 21:36:01.970898  	 #################################################################

  447 21:36:02.242090  	 #################################################################

  448 21:36:02.449940  	 #################################################################

  449 21:36:02.722350  	 #################################################################

  450 21:36:02.946315  	 #################################################################

  451 21:36:03.234146  	 #################################################################

  452 21:36:03.489471  	 #################################################################

  453 21:36:03.681122  	 #################################################################

  454 21:36:03.905237  	 #################################################################

  455 21:36:04.113034  	 #################################################################

  456 21:36:04.336676  	 #################################################################

  457 21:36:04.560732  	 #################################################################

  458 21:36:04.768445  	 #################################################################

  459 21:36:04.784670  	 ######

  460 21:36:04.784768  	 3.7 MiB/s

  461 21:36:04.800842  done

  462 21:36:04.800953  Bytes transferred = 15340989 (ea15bd hex)

  463 21:36:04.801219  Sending with 10 millisecond of delay
  465 21:36:06.660858  => setenv initrd_size ${filesize}

  466 21:36:06.671569  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 21:36:06.672282  setenv initrd_size ${filesize}

  468 21:36:06.672915  Sending with 10 millisecond of delay
  470 21:36:10.894127  => tftp 0x13f00000 12965456/tftp-deploy-29duw6bv/dtb/imx6q-sabrelite.dtb

  471 21:36:10.904909  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 00:04:16)
  472 21:36:10.909152  tftp 0x13f00000 12965456/tftp-deploy-29duw6bv/dtb/imx6q-sabrelite.dtb

  473 21:36:11.029085  Using FEC device

  474 21:36:11.029615  TFTP from server 192.168.201.1; our IP address is 192.168.201.12

  475 21:36:11.029963  Filename '12965456/tftp-deploy-29duw6bv/dtb/imx6q-sabrelite.dtb'.

  476 21:36:11.030284  Load address: 0x13f00000

  477 21:36:11.055107  Loading: *###

  478 21:36:11.055646  	 2.1 MiB/s

  479 21:36:11.055993  done

  480 21:36:11.056311  Bytes transferred = 42661 (a6a5 hex)

  481 21:36:11.056902  Sending with 10 millisecond of delay
  483 21:36:24.652702  => setenv bootargs 'console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/12965456/extract-nfsrootfs-1mkguq4j,tcp,hard console_msg_format=syslog earlycon deferred_probe_timeout=60 ip=dhcp'

  484 21:36:24.663644  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 00:04:02)
  485 21:36:24.664349  setenv bootargs 'console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/12965456/extract-nfsrootfs-1mkguq4j,tcp,hard console_msg_format=syslog earlycon deferred_probe_timeout=60 ip=dhcp'

  486 21:36:24.664994  Sending with 10 millisecond of delay
  488 21:36:27.015099  => bootz 0x10000000 0x14000000 0x13f00000

  489 21:36:27.026010  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 21:36:27.026594  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 00:04:00)
  491 21:36:27.059834  bootz 0x10000000 0x14000000 0x13f00000

  492 21:36:27.060364  Kernel image @ 0x10000000 [ 0x000000 - 0xbfa200 ]

  493 21:36:27.060712  ## Loading init Ramdisk from Legacy Image at 14000000 ...

  494 21:36:27.061036     Image Name:   

  495 21:36:27.061341     Image Type:   ARM Linux RAMDisk Image (uncompressed)

  496 21:36:27.061643     Data Size:    15340925 Bytes = 14.6 MiB

  497 21:36:27.061942     Load Address: 00000000

  498 21:36:27.062236     Entry Point:  00000000

  499 21:36:27.248831     Verifying Checksum ... OK

  500 21:36:27.249358  ## Flattened Device Tree blob at 13f00000

  501 21:36:27.249708     Booting using the fdt blob at 0x13f00000

  502 21:36:27.250031     Using Device Tree in place at 13f00000, end 13f0d6a4

  503 21:36:27.250345  

  504 21:36:27.250648  Starting kernel ...

  505 21:36:27.250992  

  506 21:36:27.251736  end: 2.4.3 bootloader-commands (duration 00:00:44) [common]
  507 21:36:27.252195  start: 2.4.4 auto-login-action (timeout 00:03:59) [common]
  508 21:36:27.252563  Setting prompt string to ['Linux version [0-9]']
  509 21:36:27.252908  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 21:36:27.253272  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 21:36:28.291938  [    0.000000] Booting Linux on physical CPU 0x0

  512 21:36:28.292498  [    0.000000] Linux version 5.10.212-cip44 (KernelCI@build-j132469-arm-gcc-10-multi-v7-defconfig-kselftest-l78c2) (arm-linux-gnueabihf-gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Wed Mar 6 21:21:06 UTC 2024

  513 21:36:28.292897  [    0.000000] CPU: ARMv7 Processor [412fc09a] revision 10 (ARMv7), cr=10c5387d

  514 21:36:28.293236  [    0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache

  515 21:36:28.294045  start: 2.4.4.1 login-action (timeout 00:03:58) [common]
  516 21:36:28.294452  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 21:36:28.294844  Setting prompt string to []
  518 21:36:28.295226  Setting prompt string to ['-\\[ cut here \\]', 'Unhandled fault', 'BUG: KCSAN:', 'BUG: KASAN:', 'BUG: KFENCE:', 'Oops(?: -|:)', 'WARNING:', '(kernel BUG at|BUG:)', 'invalid opcode:', 'Kernel panic - not syncing']
  519 21:36:28.295570  Using line separator: #'\n'#
  520 21:36:28.295868  No login prompt set.
  521 21:36:28.296170  Parsing kernel messages
  522 21:36:28.296518  ['-\\[ cut here \\]', 'Unhandled fault', 'BUG: KCSAN:', 'BUG: KASAN:', 'BUG: KFENCE:', 'Oops(?: -|:)', 'WARNING:', '(kernel BUG at|BUG:)', 'invalid opcode:', 'Kernel panic - not syncing', '/ #', 'Login timed out', 'Login incorrect']
  523 21:36:28.297065  [login-action] Waiting for messages, (timeout 00:03:58)
  524 21:36:28.297406  Waiting using forced prompt support (timeout 00:01:59)
  525 21:36:28.335146  [    0.000000] OF: fdt: Machine model: Freescale i.MX6 Quad SABRE Lite Board

  526 21:36:28.335380  [    0.000000] earlycon: ec_imx21 at MMIO 0x021e8000 (options '')

  527 21:36:28.335511  [    0.000000] printk: bootconsole [ec_imx21] enabled

  528 21:36:28.335628  [    0.000000] Memory policy: Data cache writealloc

  529 21:36:28.335739  [    0.000000] efi: UEFI not found.

  530 21:36:28.335849  [    0.000000] OF: fdt: Reserved memory: unsupported node format, ignoring

  531 21:36:28.335955  [    0.000000] cma: Reserved 64 MiB at 0x4c000000

  532 21:36:28.336058  [    0.000000] Zone ranges:

  533 21:36:28.336159  [    0.000000]   DMA      [mem 0x0000000010000000-0x000000003fffffff]

  534 21:36:28.377532  [    0.000000]   Normal   empty

  535 21:36:28.378059  [    0.000000]   HighMem  [mem 0x0000000040000000-0x000000004fffffff]

  536 21:36:28.378405  [    0.000000] Movable zone start for each node

  537 21:36:28.378724  [    0.000000] Early memory node ranges

  538 21:36:28.379066  [    0.000000]   node   0: [mem 0x0000000010000000-0x000000004fffffff]

  539 21:36:28.379376  [    0.000000] Initmem setup node 0 [mem 0x0000000010000000-0x000000004fffffff]

  540 21:36:28.452874  [    0.000000] percpu: Embedded 21 pages/cpu s55468 r8192 d22356 u86016

  541 21:36:28.453405  [    0.000000] Built 1 zonelists, mobility grouping on.  Total pages: 260608

  542 21:36:28.453755  [    0.000000] Kernel command line: console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/12965456/extract-nfsrootfs-1mkguq4j,tcp,hard console_msg_format=syslog earlycon deferred_probe_timeout=60 ip=dhcp

  543 21:36:28.454109  <6>[    0.000000] Dentry cache hash table entries: 131072 (order: 7, 524288 bytes, linear)

  544 21:36:28.479822  <6>[    0.000000] Inode-cache hash table entries: 65536 (order: 6, 262144 bytes, linear)

  545 21:36:28.480353  <6>[    0.000000] mem auto-init: stack:off, heap alloc:off, heap free:off

  546 21:36:28.669696  <6>[    0.000000] Memory: 921476K/1048576K available (17408K kernel code, 2714K rwdata, 8144K rodata, 2048K init, 6693K bss, 61564K reserved, 65536K cma-reserved, 196608K highmem)

  547 21:36:28.670289  <6>[    0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1

  548 21:36:28.670643  <6>[    0.000000] ftrace: allocating 56146 entries in 165 pages

  549 21:36:29.022427  <6>[    0.000000] ftrace: allocated 165 pages with 4 groups

  550 21:36:29.022982  <6>[    0.000000] Running RCU self tests

  551 21:36:29.023333  <6>[    0.000000] rcu: Hierarchical RCU implementation.

  552 21:36:29.023654  <6>[    0.000000] rcu: 	RCU event tracing is enabled.

  553 21:36:29.023965  <6>[    0.000000] rcu: 	RCU lockdep checking is enabled.

  554 21:36:29.024270  <6>[    0.000000] rcu: 	RCU restricting CPUs from NR_CPUS=16 to nr_cpu_ids=4.

  555 21:36:29.024575  <6>[    0.000000] 	Rude variant of Tasks RCU enabled.

  556 21:36:29.024872  <6>[    0.000000] 	Tracing variant of Tasks RCU enabled.

  557 21:36:29.049420  <6>[    0.000000] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies.

  558 21:36:29.049962  <6>[    0.000000] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4

  559 21:36:29.140135  <6>[    0.000000] NR_IRQS: 16, nr_irqs: 16, preallocated irqs: 16

  560 21:36:29.140670  <6>[    0.000000] L2C-310 errata 752271 769419 enabled

  561 21:36:29.141021  <6>[    0.000000] L2C-310 enabling early BRESP for Cortex-A9

  562 21:36:29.141348  <6>[    0.000000] L2C-310 full line of zeros enabled for Cortex-A9

  563 21:36:29.141664  <6>[    0.000000] L2C-310 ID prefetch enabled, offset 16 lines

  564 21:36:29.141971  <6>[    0.000000] L2C-310 dynamic clock gating enabled, standby mode enabled

  565 21:36:29.142272  <6>[    0.000000] L2C-310 cache controller enabled, 16 ways, 1024 kB

  566 21:36:29.142569  <6>[    0.000000] L2C-310: CACHE_ID 0x410000c7, AUX_CTRL 0x76470001

  567 21:36:29.237613  <6>[    0.000000] Switching to timer-based delay loop, resolution 15ns

  568 21:36:29.238139  <6>[    0.000009] sched_clock: 32 bits at 66MHz, resolution 15ns, wraps every 32537631224ns

  569 21:36:29.238488  <6>[    0.008095] clocksource: mxc_timer1: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 28958491609 ns

  570 21:36:29.238870  <6>[    0.022452] Console: colour dummy device 80x30

  571 21:36:29.239198  <4>[    0.024357] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar

  572 21:36:29.239662  <4>[    0.032364] ... MAX_LOCKDEP_SUBCLASSES:  8

  573 21:36:29.281058  <4>[    0.036710] ... MAX_LOCK_DEPTH:          48

  574 21:36:29.281584  <4>[    0.041122] ... MAX_LOCKDEP_KEYS:        8192

  575 21:36:29.281922  <4>[    0.045755] ... CLASSHASH_SIZE:          4096

  576 21:36:29.282236  <4>[    0.050344] ... MAX_LOCKDEP_ENTRIES:     32768

  577 21:36:29.282535  <4>[    0.055040] ... MAX_LOCKDEP_CHAINS:      65536

  578 21:36:29.282869  <4>[    0.059762] ... CHAINHASH_SIZE:          32768

  579 21:36:29.283167  <4>[    0.064437]  memory used by lock dependency info: 4061 kB

  580 21:36:29.283460  <4>[    0.070115]  memory used for stack traces: 2112 kB

  581 21:36:29.283749  <4>[    0.075138]  per task-struct memory footprint: 1536 bytes

  582 21:36:29.324042  <6>[    0.080872] Calibrating delay loop (skipped), value calculated using timer frequency.. 132.00 BogoMIPS (lpj=660000)

  583 21:36:29.324590  <6>[    0.091525] CPU: Testing write buffer coherency: ok

  584 21:36:29.324930  <6>[    0.096662] CPU0: Spectre v2: using BPIALL workaround

  585 21:36:29.325248  <6>[    0.101937] pid_max: default: 32768 minimum: 301

  586 21:36:29.325558  <6>[    0.107128] LSM: Security Framework initializing

  587 21:36:29.325858  <6>[    0.111757] LSM support for eBPF active

  588 21:36:29.326150  <6>[    0.115914] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes, linear)

  589 21:36:29.374404  <6>[    0.123357] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes, linear)

  590 21:36:29.374968  <6>[    0.134772] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000

  591 21:36:29.375313  <6>[    0.141279] Setting up static identity map for 0x10300000 - 0x103000ac

  592 21:36:29.375633  <6>[    0.147663] rcu: Hierarchical SRCU implementation.

  593 21:36:29.375938  <6>[    0.158960] EFI services will not be available.

  594 21:36:29.376234  <6>[    0.162020] smp: Bringing up secondary CPUs ...

  595 21:36:29.376522  <6>[    0.168537] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001

  596 21:36:29.418085  <6>[    0.168553] CPU1: Spectre v2: using BPIALL workaround

  597 21:36:29.418616  <6>[    0.180310] CPU2: thread -1, cpu 2, socket 0, mpidr 80000002

  598 21:36:29.419008  <6>[    0.180326] CPU2: Spectre v2: using BPIALL workaround

  599 21:36:29.419330  <6>[    0.191750] CPU3: thread -1, cpu 3, socket 0, mpidr 80000003

  600 21:36:29.419639  <6>[    0.191764] CPU3: Spectre v2: using BPIALL workaround

  601 21:36:29.419943  <6>[    0.200796] smp: Brought up 1 node, 4 CPUs

  602 21:36:29.420239  <6>[    0.204509] SMP: Total of 4 processors activated (528.00 BogoMIPS).

  603 21:36:29.420531  <6>[    0.211130] CPU: All CPU(s) started in SVC mode.

  604 21:36:29.434140  <6>[    0.218351] devtmpfs: initialized

  605 21:36:29.527518  <6>[    0.265848] VFP support v0.3: implementor 41 architecture 3 part 30 variant 9 rev 4

  606 21:36:29.528067  <6>[    0.273252] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns

  607 21:36:29.528414  <6>[    0.281200] futex hash table entries: 1024 (order: 4, 65536 bytes, linear)

  608 21:36:29.528732  <6>[    0.292893] pinctrl core: initialized pinctrl subsystem

  609 21:36:29.529034  <6>[    0.301825] DMI not present or invalid.

  610 21:36:29.529331  <6>[    0.305217] NET: Registered protocol family 16

  611 21:36:29.529622  <6>[    0.317365] DMA: preallocated 256 KiB pool for atomic coherent allocations

  612 21:36:29.553762  <6>[    0.330009] thermal_sys: Registered thermal governor 'step_wise'

  613 21:36:29.554295  <6>[    0.330501] cpuidle: using governor menu

  614 21:36:29.554634  <6>[    0.338611] CPU identified as i.MX6Q, silicon rev 1.0

  615 21:36:30.193692  <6>[    0.979920] vdd1p1: supplied by regulator-dummy

  616 21:36:30.225362  <6>[    1.009006] vdd3p0: supplied by regulator-dummy

  617 21:36:30.241528  <6>[    1.037671] vdd2p5: supplied by regulator-dummy

  618 21:36:30.273557  <6>[    1.066384] vddarm: supplied by regulator-dummy

  619 21:36:30.305477  <6>[    1.095826] vddpu: supplied by regulator-dummy

  620 21:36:30.337598  <6>[    1.123664] vddsoc: supplied by regulator-dummy

  621 21:36:31.492969  <6>[    2.264507] No ATAGs?

  622 21:36:31.493496  <6>[    2.265311] hw-breakpoint: found 5 (+1 reserved) breakpoint and 1 watchpoint registers.

  623 21:36:31.493841  <6>[    2.272542] hw-breakpoint: maximum watchpoint size is 4 bytes.

  624 21:36:31.513654  <6>[    2.295413] imx6q-pinctrl 20e0000.pinctrl: initialized IMX pinctrl driver

  625 21:36:31.529371  <6>[    2.324927] Serial: AMBA PL011 UART driver

  626 21:36:31.593858  <6>[    2.381300] Kprobes globally optimized

  627 21:36:31.733450  <6>[    2.484272] iommu: Default domain type: Translated 

  628 21:36:31.733980  <6>[    2.488752] vgaarb: loaded

  629 21:36:31.734317  <5>[    2.493703] SCSI subsystem initialized

  630 21:36:31.734631  <6>[    2.497190] usbcore: registered new interface driver usbfs

  631 21:36:31.734990  <6>[    2.500881] usbcore: registered new interface driver hub

  632 21:36:31.735295  <6>[    2.506419] usbcore: registered new device driver usb

  633 21:36:31.735678  <6>[    2.518355] i2c i2c-0: IMX I2C adapter registered

  634 21:36:31.735978  <6>[    2.526476] i2c i2c-1: IMX I2C adapter registered

  635 21:36:31.766502  <6>[    2.532565] i2c i2c-2: IMX I2C adapter registered

  636 21:36:31.767063  <6>[    2.538784] pps_core: LinuxPPS API ver. 1 registered

  637 21:36:31.767405  <6>[    2.541179] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@linux.it>

  638 21:36:31.767726  <6>[    2.550679] PTP clock support registered

  639 21:36:31.782344  <6>[    2.569751] clocksource: Switched to clocksource mxc_timer1

  640 21:36:33.585084  <6>[    4.341189] NET: Registered protocol family 2

  641 21:36:33.585611  <6>[    4.343642] IP idents hash table entries: 16384 (order: 5, 131072 bytes, linear)

  642 21:36:33.585956  <6>[    4.353669] tcp_listen_portaddr_hash hash table entries: 512 (order: 2, 22528 bytes, linear)

  643 21:36:33.586283  <6>[    4.359741] TCP established hash table entries: 8192 (order: 3, 32768 bytes, linear)

  644 21:36:33.586594  <6>[    4.367737] TCP bind hash table entries: 8192 (order: 6, 327680 bytes, linear)

  645 21:36:33.586933  <6>[    4.376491] TCP: Hash tables configured (established 8192 bind 8192)

  646 21:36:33.628053  <6>[    4.382982] MPTCP token hash table entries: 1024 (order: 3, 49152 bytes, linear)

  647 21:36:33.628602  <6>[    4.389583] UDP hash table entries: 512 (order: 3, 49152 bytes, linear)

  648 21:36:33.628946  <6>[    4.396461] UDP-Lite hash table entries: 512 (order: 3, 49152 bytes, linear)

  649 21:36:33.629265  <6>[    4.404216] NET: Registered protocol family 1

  650 21:36:33.629570  <6>[    4.410766] RPC: Registered named UNIX socket transport module.

  651 21:36:33.629871  <6>[    4.414282] RPC: Registered udp transport module.

  652 21:36:33.630163  <6>[    4.419227] RPC: Registered tcp transport module.

  653 21:36:33.659767  <6>[    4.424300] RPC: Registered tcp NFSv4.1 backchannel transport module.

  654 21:36:33.660290  <6>[    4.430952] NET: Registered protocol family 44

  655 21:36:33.660633  <6>[    4.435625] PCI: CLS 0 bytes, default 64

  656 21:36:33.660951  <6>[    4.441950] Trying to unpack rootfs image as initramfs...

  657 21:36:35.451696  <6>[    6.207179] Freeing initrd memory: 14984K

  658 21:36:35.452486  <4>[    6.209817] hw perfevents: no interrupt-affinity property for /pmu, guessing.

  659 21:36:35.452857  <6>[    6.217112] hw perfevents: enabled with armv7_cortex_a9 PMU driver, 7 counters available

  660 21:36:35.453181  <5>[    6.232557] Initialise system trusted keyrings

  661 21:36:35.453491  <6>[    6.235382] workingset: timestamp_bits=30 max_order=18 bucket_order=0

  662 21:36:35.527420  <6>[    6.283704] squashfs: version 4.0 (2009/01/31) Phillip Lougher

  663 21:36:35.527948  <5>[    6.290186] NFS: Registering the id_resolver key type

  664 21:36:35.528289  <5>[    6.292794] Key type id_resolver registered

  665 21:36:35.528603  <5>[    6.297118] Key type id_legacy registered

  666 21:36:35.528906  <6>[    6.301964] nfs4filelayout_init: NFSv4 File Layout Driver Registering...

  667 21:36:35.529207  <6>[    6.308392] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering...

  668 21:36:35.529501  <6>[    6.316200] ntfs: driver 2.1.32 [Flags: R/O].

  669 21:36:35.529789  <5>[    6.322461] Key type asymmetric registered

  670 21:36:35.569093  <5>[    6.325030] Asymmetric key parser 'x509' registered

  671 21:36:35.569622  <6>[    6.330462] bounce: pool size: 64 pages

  672 21:36:35.569965  <6>[    6.334279] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 247)

  673 21:36:35.570285  <6>[    6.341938] io scheduler mq-deadline registered

  674 21:36:35.570587  <6>[    6.346615] io scheduler kyber registered

  675 21:36:35.570943  <4>[    6.351713] test_firmware: interface ready

  676 21:36:35.728046  <6>[    6.511629] mxs-dma 110000.dma-controller: initialized

  677 21:36:35.799238  <4>[    6.571149] imx-sdma 20ec000.dma-controller: Direct firmware load for imx/sdma/sdma-imx6q.bin failed with error -2

  678 21:36:35.799776  <6>[    6.579156] imx-sdma 20ec000.dma-controller: external firmware not found, using ROM firmware

  679 21:36:36.002042  <6>[    6.784785] Serial: 8250/16550 driver, 5 ports, IRQ sharing enabled

  680 21:36:36.050598  <6>[    6.806620] SuperH (H)SCI(F) driver initialized

  681 21:36:36.051179  <6>[    6.811249] 2020000.serial: ttymxc0 at MMIO 0x2020000 (irq = 34, base_baud = 5000000) is a IMX

  682 21:36:36.051530  <6>[    6.822115] 21e8000.serial: ttymxc1 at MMIO 0x21e8000 (irq = 81, base_baud = 5000000) is a IMX

  683 21:36:36.051852  <6>[    6.828546] printk: console [ttymxc1] enabled

  684 21:36:36.052156  <6>[    6.828546] printk: console [ttymxc1] enabled

  685 21:36:36.052455  <6>[    6.837460] printk: bootconsole [ec_imx21] disabled

  686 21:36:36.052748  <6>[    6.837460] printk: bootconsole [ec_imx21] disabled

  687 21:36:36.084137  <6>[    6.853465] msm_serial: driver initialized

  688 21:36:36.084669  <6>[    6.858790] STMicroelectronics ASC driver initialized

  689 21:36:36.085012  <6>[    6.870149] STM32 USART driver initialized

  690 21:36:36.112134  <6>[    6.894773] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 0

  691 21:36:36.146019  <4>[    6.914828] panel-simple panel-lcd: supply power not found, using dummy regulator

  692 21:36:36.146554  <4>[    6.923400] panel-simple panel-lcd: Specify missing connector_type

  693 21:36:36.146937  <4>[    6.931295] panel-simple panel-lvds0: supply power not found, using dummy regulator

  694 21:36:36.194069  <6>[    6.979295] brd: module loaded

  695 21:36:36.225867  <6>[    7.023751] loop: module loaded

  696 21:36:36.246846  <6>[    7.030010] lkdtm: No crash points registered, enable through debugfs

  697 21:36:36.291488  <6>[    7.050785] ahci-imx 2200000.sata: fsl,transmit-level-mV not specified, using 00000024

  698 21:36:36.292020  <6>[    7.059007] ahci-imx 2200000.sata: fsl,transmit-boost-mdB not specified, using 00000480

  699 21:36:36.292360  <6>[    7.067364] ahci-imx 2200000.sata: fsl,transmit-atten-16ths not specified, using 00002000

  700 21:36:36.292679  <6>[    7.075886] ahci-imx 2200000.sata: fsl,receive-eq-mdB not specified, using 05000000

  701 21:36:36.292987  <4>[    7.084150] ahci-imx 2200000.sata: supply ahci not found, using dummy regulator

  702 21:36:36.346295  <4>[    7.092643] ahci-imx 2200000.sata: supply phy not found, using dummy regulator

  703 21:36:36.346864  <4>[    7.100615] ahci-imx 2200000.sata: supply target not found, using dummy regulator

  704 21:36:36.347214  <6>[    7.112099] ahci-imx 2200000.sata: SSS flag set, parallel bus scan disabled

  705 21:36:36.347535  <6>[    7.119382] ahci-imx 2200000.sata: AHCI 0001.0300 32 slots 1 ports 3 Gbps 0x1 impl platform mode

  706 21:36:36.347847  <6>[    7.128548] ahci-imx 2200000.sata: flags: ncq sntf stag pm led clo only pmp pio slum part ccc apst 

  707 21:36:36.348147  <6>[    7.142705] scsi host0: ahci-imx

  708 21:36:36.387331  <6>[    7.148246] ata1: SATA max UDMA/133 mmio [mem 0x02200000-0x02203fff] port 0x100 irq 84

  709 21:36:36.423857  <6>[    7.206885] bgmac_bcma: Broadcom 47xx GBit MAC driver loaded

  710 21:36:36.424441  <6>[    7.220169] pps pps0: new PPS source ptp0

  711 21:36:36.506750  <6>[    7.264003] fec 2188000.ethernet eth0: registered PHC device 0

  712 21:36:36.507319  <6>[    7.274465] e1000e: Intel(R) PRO/1000 Network Driver

  713 21:36:36.507665  <6>[    7.279773] e1000e: Copyright(c) 1999 - 2015 Intel Corporation.

  714 21:36:36.507984  <6>[    7.286189] igb: Intel(R) Gigabit Ethernet Network Driver

  715 21:36:36.508291  <6>[    7.291920] igb: Copyright (c) 2007-2014 Intel Corporation.

  716 21:36:36.558103  <6>[    7.317591] pegasus: v0.9.3 (2013/04/25), Pegasus/Pegasus II USB Ethernet driver

  717 21:36:36.558633  <6>[    7.325465] usbcore: registered new interface driver pegasus

  718 21:36:36.559030  <6>[    7.331656] usbcore: registered new interface driver asix

  719 21:36:36.559352  <6>[    7.337474] usbcore: registered new interface driver ax88179_178a

  720 21:36:36.559656  <6>[    7.344025] usbcore: registered new interface driver cdc_ether

  721 21:36:36.559958  <6>[    7.350386] usbcore: registered new interface driver smsc75xx

  722 21:36:36.599380  <6>[    7.356606] usbcore: registered new interface driver smsc95xx

  723 21:36:36.599915  <6>[    7.362814] usbcore: registered new interface driver net1080

  724 21:36:36.600260  <6>[    7.368887] usbcore: registered new interface driver cdc_subset

  725 21:36:36.600578  <6>[    7.375274] usbcore: registered new interface driver zaurus

  726 21:36:36.600884  <6>[    7.381454] usbcore: registered new interface driver cdc_ncm

  727 21:36:36.645381  <6>[    7.398987] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver

  728 21:36:36.645912  <6>[    7.405924] ehci-pci: EHCI PCI platform driver

  729 21:36:36.646252  <6>[    7.410843] ehci-platform: EHCI generic platform driver

  730 21:36:36.646591  <6>[    7.417295] ehci-orion: EHCI orion driver

  731 21:36:36.646978  <6>[    7.422457] SPEAr-ehci: EHCI SPEAr driver

  732 21:36:36.647285  <6>[    7.427513] ehci-st: EHCI STMicroelectronics driver

  733 21:36:36.647581  <6>[    7.433479] ehci-exynos: EHCI Exynos driver

  734 21:36:36.647868  <6>[    7.438742] ehci-atmel: EHCI Atmel driver

  735 21:36:36.648153  <6>[    7.443840] tegra-ehci: Tegra EHCI driver

  736 21:36:36.692291  <6>[    7.448928] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver

  737 21:36:36.692824  <6>[    7.455516] ohci-pci: OHCI PCI platform driver

  738 21:36:36.693167  <6>[    7.460427] ohci-platform: OHCI generic platform driver

  739 21:36:36.693483  <6>[    7.466807] SPEAr-ohci: OHCI SPEAr driver

  740 21:36:36.693785  <6>[    7.471912] ohci-st: OHCI STMicroelectronics driver

  741 21:36:36.694084  <6>[    7.477859] ohci-atmel: OHCI Atmel driver

  742 21:36:36.694374  <6>[    7.482487] ata1: SATA link down (SStatus 0 SControl 300)

  743 21:36:36.694666  <6>[    7.486112] usbcore: registered new interface driver usb-storage

  744 21:36:36.735270  <6>[    7.488514] ahci-imx 2200000.sata: no device found, disabling link.

  745 21:36:36.735798  <6>[    7.501167] ahci-imx 2200000.sata: pass ahci_imx..hotplug=1 to enable hotplug

  746 21:36:36.736150  <6>[    7.524047] i2c /dev entries driver

  747 21:36:36.863018  <6>[    7.602118] sdhci: Secure Digital Host Controller Interface driver

  748 21:36:36.863557  <6>[    7.608595] sdhci: Copyright(c) Pierre Ossman

  749 21:36:36.863908  <6>[    7.621925] Synopsys Designware Multimedia Card Interface Driver

  750 21:36:36.864230  <6>[    7.634856] sdhci-pltfm: SDHCI platform and OF driver helper

  751 21:36:36.864543  <6>[    7.644398] sdhci-esdhc-imx 2198000.mmc: Got CD GPIO

  752 21:36:36.864849  <6>[    7.649934] sdhci-esdhc-imx 2198000.mmc: Got WP GPIO

  753 21:36:36.865147  <6>[    7.651316] sdhci-esdhc-imx 219c000.mmc: Got CD GPIO

  754 21:36:36.903329  <6>[    7.661967] ledtrig-cpu: registered to indicate activity on CPUs

  755 21:36:36.903860  <6>[    7.671773] usbcore: registered new interface driver usbhid

  756 21:36:36.904211  <6>[    7.677638] usbhid: USB HID core driver

  757 21:36:36.948487  <6>[    7.693645] mmc2: SDHCI controller on 2198000.mmc [2198000.mmc] using ADMA

  758 21:36:36.949018  <6>[    7.695643] mmc3: SDHCI controller on 219c000.mmc [219c000.mmc] using ADMA

  759 21:36:36.949364  <6>[    7.705168] netem: version 1.3

  760 21:36:36.949685  <6>[    7.711668] ipip: IPv4 and MPLS over IPv4 tunneling driver

  761 21:36:36.950000  <6>[    7.719771] IPv4 over IPsec tunneling driver

  762 21:36:36.950307  <6>[    7.728695] NET: Registered protocol family 10

  763 21:36:36.950606  <6>[    7.738684] Segment Routing with IPv6

  764 21:36:36.950944  <6>[    7.741305] mmc2: new high speed SDHC card at address 0001

  765 21:36:36.991318  <6>[    7.748200] NET: Registered protocol family 17

  766 21:36:36.991851  <6>[    7.752170] mmcblk2: mmc2:0001 SD 14.8 GiB 

  767 21:36:36.992200  <6>[    7.754864] 8021q: 802.1Q VLAN Support v1.8

  768 21:36:36.992523  <5>[    7.763270] Key type dns_resolver registered

  769 21:36:37.020432  <4>[    7.779360] GPT:Primary header thinks Alt. header is not at the end of the disk.

  770 21:36:37.020963  <6>[    7.779870] ThumbEE CPU extension supported.

  771 21:36:37.021486  <4>[    7.787308] GPT:7812499 != 30965759

  772 21:36:37.021879  <5>[    7.791876] Registering SWP/SWPB emulation handler

  773 21:36:37.022207  <4>[    7.795580] GPT:Alternate GPT header not at the end of the disk.

  774 21:36:37.022520  <5>[    7.802193] Loading compiled-in X.509 certificates

  775 21:36:37.022869  <4>[    7.806974] GPT:7812499 != 30965759

  776 21:36:37.023178  <4>[    7.815869] GPT: Use GNU Parted to correct GPT errors.

  777 21:36:37.063264  <6>[    7.821451]  mmcblk2: p1 p2 p3

  778 21:36:37.235254  <4>[    7.994588] panel-simple panel-lcd: supply power not found, using dummy regulator

  779 21:36:37.235782  <4>[    8.003349] panel-simple panel-lcd: Specify missing connector_type

  780 21:36:37.236129  <4>[    8.017284] panel-simple panel-lvds0: supply power not found, using dummy regulator

  781 21:36:37.291729  <4>[    8.055835] imx_usb 2184200.usb: No over current polarity defined

  782 21:36:37.292256  <6>[    8.069455] ci_hdrc ci_hdrc.1: EHCI Host Controller

  783 21:36:37.292605  <6>[    8.075113] ci_hdrc ci_hdrc.1: new USB bus registered, assigned bus number 1

  784 21:36:37.328548  <6>[    8.111188] ci_hdrc ci_hdrc.1: USB 2.0 started, EHCI 1.00

  785 21:36:37.349444  <6>[    8.130490] hub 1-0:1.0: USB hub found

  786 21:36:37.349974  <6>[    8.135115] hub 1-0:1.0: 1 port detected

  787 21:36:37.381730  <3>[    8.150154] imx_thermal 20c8000.anatop:tempmon: invalid sensor calibration data

  788 21:36:37.382267  <3>[    8.157768] imx_thermal 20c8000.anatop:tempmon: error -EINVAL: failed to init from nvmem

  789 21:36:37.382619  <4>[    8.166271] imx_thermal: probe of 20c8000.anatop:tempmon failed with error -22

  790 21:36:37.436522  <4>[    8.195063] panel-simple panel-lcd: supply power not found, using dummy regulator

  791 21:36:37.437055  <4>[    8.203658] panel-simple panel-lcd: Specify missing connector_type

  792 21:36:37.437403  <4>[    8.217529] panel-simple panel-lvds0: supply power not found, using dummy regulator

  793 21:36:37.491447  <4>[    8.250147] panel-simple panel-lcd: supply power not found, using dummy regulator

  794 21:36:37.491974  <4>[    8.258681] panel-simple panel-lcd: Specify missing connector_type

  795 21:36:37.492324  <4>[    8.272628] panel-simple panel-lvds0: supply power not found, using dummy regulator

  796 21:36:37.507146  <6>[    8.292435] input: gpio-keys as /devices/platform/gpio-keys/input/input0

  797 21:36:37.563658  <4>[    8.323855] panel-simple panel-lcd: supply power not found, using dummy regulator

  798 21:36:37.564197  <4>[    8.332453] panel-simple panel-lcd: Specify missing connector_type

  799 21:36:37.564548  <4>[    8.346515] panel-simple panel-lvds0: supply power not found, using dummy regulator

  800 21:36:37.592070  <6>[    8.369514] 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)

  801 21:36:37.767217  <6>[    8.549985] usb 1-1: new high-speed USB device number 2 using ci_hdrc

  802 21:36:37.959341  <6>[    8.758230] hub 1-1:1.0: USB hub found

  803 21:36:37.975110  <6>[    8.763209] hub 1-1:1.0: 3 ports detected

  804 21:36:38.038023  <4>[    8.796060] panel-simple panel-lcd: supply power not found, using dummy regulator

  805 21:36:38.038557  <4>[    8.804673] panel-simple panel-lcd: Specify missing connector_type

  806 21:36:38.038948  <4>[    8.818719] panel-simple panel-lvds0: supply power not found, using dummy regulator

  807 21:36:39.705732  <6>[   10.481617] fec 2188000.ethernet eth0: Link is Up - 100Mbps/Full - flow control off

  808 21:36:39.706264  <6>[   10.490676] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready

  809 21:36:39.800844  <5>[   10.519787] Sending DHCP requests ., OK

  810 21:36:39.801388  <6>[   10.564477] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.12

  811 21:36:39.801742  <6>[   10.573005] IP-Config: Complete:

  812 21:36:39.802067  <6>[   10.576572]      device=eth0, hwaddr=0e:cc:7b:b0:7c:c7, ipaddr=192.168.201.12, mask=255.255.255.0, gw=192.168.201.1

  813 21:36:39.802385  <6>[   10.587428]      host=imx6q-sabrelite-lava-cbg-1, domain=lava-rack, nis-domain=(none)

  814 21:36:39.802695  <6>[   10.595677]      bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath=

  815 21:36:39.816585  <6>[   10.595718]      nameserver0=192.168.201.1

  816 21:36:39.893479  <6>[   10.668531] Freeing unused kernel memory: 2048K

  817 21:36:39.894015  <6>[   10.680672] Run /init as init process

  818 21:36:39.941544  Loading, please wait...

  819 21:36:40.085381  Starting version 247.3-7+deb11u4

  820 21:36:44.210436  <6>[   14.999849] imx-ipuv3 2400000.ipu: IPUv3H probed

  821 21:36:44.274543  <6>[   15.070189] imx-ipuv3 2800000.ipu: IPUv3H probed

  822 21:36:44.301425  <4>[   15.084752] panel-simple panel-lcd: supply power not found, using dummy regulator

  823 21:36:44.324374  <4>[   15.107330] panel-simple panel-lcd: Specify missing connector_type

  824 21:36:44.369405  <4>[   15.147525] panel-simple panel-lvds0: supply power not found, using dummy regulator

  825 21:36:44.369934  <6>[   15.148682] CAN device driver interface

  826 21:36:44.422551  <4>[   15.191723] panel-simple panel-lcd: supply power not found, using dummy regulator

  827 21:36:44.423137  <4>[   15.207778] panel-simple panel-lcd: Specify missing connector_type

  828 21:36:44.443224  <4>[   15.224869] panel-simple panel-lvds0: supply power not found, using dummy regulator

  829 21:36:44.481326  <4>[   15.258380] panel-simple panel-lcd: supply power not found, using dummy regulator

  830 21:36:44.481858  <4>[   15.267210] panel-simple panel-lcd: Specify missing connector_type

  831 21:36:44.559167  <6>[   15.300561] etnaviv etnaviv: bound 130000.gpu (ops gpu_ops [etnaviv])

  832 21:36:44.559700  <6>[   15.314578] etnaviv etnaviv: bound 134000.gpu (ops gpu_ops [etnaviv])

  833 21:36:44.560047  <6>[   15.330163] etnaviv etnaviv: bound 2204000.gpu (ops gpu_ops [etnaviv])

  834 21:36:44.560374  <6>[   15.337014] etnaviv-gpu 130000.gpu: model: GC2000, revision: 5108

  835 21:36:44.560692  <6>[   15.345396] etnaviv-gpu 134000.gpu: model: GC320, revision: 5007

  836 21:36:44.561006  <6>[   15.352103] etnaviv-gpu 2204000.gpu: model: GC355, revision: 1215

  837 21:36:44.583284  <6>[   15.358502] etnaviv-gpu 2204000.gpu: Ignoring GPU with VG and FE2.0

  838 21:36:44.583816  <6>[   15.367956] [drm] Initialized etnaviv 1.3.0 20151214 for etnaviv on minor 1

  839 21:36:44.610328  <4>[   15.388274] panel-simple panel-lvds0: supply power not found, using dummy regulator

  840 21:36:44.610886  <6>[   15.391469] caam 2100000.crypto: Entropy delay = 3200

  841 21:36:44.675429  <4>[   15.441852] panel-simple panel-lcd: supply power not found, using dummy regulator

  842 21:36:44.675964  <4>[   15.450678] panel-simple panel-lcd: Specify missing connector_type

  843 21:36:44.676313  <6>[   15.462515] caam 2100000.crypto: Instantiated RNG4 SH0

  844 21:36:44.750372  <6>[   15.523275] caam 2100000.crypto: Instantiated RNG4 SH1

  845 21:36:44.750942  <6>[   15.528775] caam 2100000.crypto: device ID = 0x0a16010000000000 (Era 4)

  846 21:36:44.751299  <6>[   15.535777] caam 2100000.crypto: job rings = 2, qi = 0

  847 21:36:44.778536  <4>[   15.561364] panel-simple panel-lvds0: supply power not found, using dummy regulator

  848 21:36:44.837962  <4>[   15.593324] usb_phy_generic usbphynop1: supply vcc not found, using dummy regulator

  849 21:36:44.838492  <4>[   15.596331] panel-simple panel-lcd: supply power not found, using dummy regulator

  850 21:36:44.838892  <4>[   15.602204] usb_phy_generic usbphynop1: dummy supplies not allowed for exclusive requests

  851 21:36:44.839231  <4>[   15.610158] panel-simple panel-lcd: Specify missing connector_type

  852 21:36:44.839551  <6>[   15.613444] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm])

  853 21:36:44.839901  <6>[   15.614162] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm])

  854 21:36:44.882248  <6>[   15.614813] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm])

  855 21:36:44.882826  <6>[   15.615271] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm])

  856 21:36:44.883190  <4>[   15.618339] usb_phy_generic usbphynop2: supply vcc not found, using dummy regulator

  857 21:36:44.883520  <4>[   15.633810] panel-simple panel-lvds0: supply power not found, using dummy regulator

  858 21:36:44.883837  <4>[   15.642569] usb_phy_generic usbphynop2: dummy supplies not allowed for exclusive requests

  859 21:36:44.923516  <6>[   15.663795] sgtl5000 0-000a: sgtl5000 revision 0x11

  860 21:36:44.924043  <4>[   15.683933] panel-simple panel-lcd: supply power not found, using dummy regulator

  861 21:36:44.924397  <4>[   15.697869] panel-simple panel-lcd: Specify missing connector_type

  862 21:36:44.930922  <4>[   15.715241] panel-simple panel-lvds0: supply power not found, using dummy regulator

  863 21:36:45.007396  <6>[   15.755778] sgtl5000 0-000a: Using internal LDO instead of VDDD: check ER1 erratum

  864 21:36:45.007951  <6>[   15.762198] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm])

  865 21:36:45.008311  <6>[   15.772978] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm])

  866 21:36:45.008643  <6>[   15.781914] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm])

  867 21:36:45.008956  <6>[   15.791020] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm])

  868 21:36:45.082220  <4>[   15.858677] panel-simple panel-lcd: supply power not found, using dummy regulator

  869 21:36:45.082763  <4>[   15.867689] panel-simple panel-lcd: Specify missing connector_type

  870 21:36:45.103857  <4>[   15.887439] panel-simple panel-lvds0: supply power not found, using dummy regulator

  871 21:36:45.255812  <6>[   16.010467] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm])

  872 21:36:45.256357  <6>[   16.019417] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm])

  873 21:36:45.256711  <6>[   16.028373] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm])

  874 21:36:45.257036  <6>[   16.037322] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm])

  875 21:36:45.857798  <6>[   16.640232] caam algorithms registered in /proc/crypto

  876 21:36:45.873456  <6>[   16.662717] caam 2100000.crypto: registering rng-caam

  877 21:36:46.001539  <5>[   16.792050] random: crng init done

  878 21:36:46.042252  <4>[   16.804133] panel-simple panel-lcd: supply power not found, using dummy regulator

  879 21:36:46.042837  <4>[   16.812926] panel-simple panel-lcd: Specify missing connector_type

  880 21:36:46.043202  <4>[   16.827156] panel-simple panel-lvds0: supply power not found, using dummy regulator

  881 21:36:46.113609  <6>[   16.865742] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm])

  882 21:36:46.114143  <6>[   16.874538] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm])

  883 21:36:46.114494  <6>[   16.883360] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm])

  884 21:36:46.114863  <6>[   16.892090] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm])

  885 21:36:46.115189  Begin: Loading essential drivers ... done.

  886 21:36:46.115501  Begin: Running /scripts/init-premount ... done.

  887 21:36:46.138981  Begin: Mounting root file system ... Begin: Running /scripts/nfs-top ... done.

  888 21:36:46.139514  Begin: Running /scripts/nfs-premount ... Waiting up to 60 secs for any ethernet to become available

  889 21:36:46.171380  Device /sys/class/net/eth0 found

  890 21:36:46.171909  done.

  891 21:36:46.469880  IP-Config: eth0 hardware address 0e:cc:7b:b0:7c:c7 mtu 1500 DHCP

  892 21:36:46.470409  IP-Config: eth0 complete (dhcp from 192.168.201.1):

  893 21:36:46.470760   address: 192.168.201.12   broadcast: 192.168.201.255  netmask: 255.255.255.0   

  894 21:36:46.471125   gateway: 192.168.201.1    dns0     : 192.168.201.1    dns1   : 0.0.0.0         

  895 21:36:46.471437   host   : imx6q-sabrelite-lava-cbg-1                                      

  896 21:36:46.471748   domain : lava-rack                                                       

  897 21:36:46.472046   rootserver: 192.168.201.1 rootpath: 

  898 21:36:46.472338   filename  : 

  899 21:36:46.566167  done.

  900 21:36:46.581701  Begin: Running /scripts/nfs-bottom ... done.

  901 21:36:46.662210  Begin: Running /scripts/init-bottom ... done.

  902 21:36:48.270841  <30>[   19.054359] systemd[1]: System time before build time, advancing clock.

  903 21:36:48.555392  <30>[   19.322863] systemd[1]: systemd 247.3-7+deb11u4 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)

  904 21:36:48.571259  <30>[   19.359115] systemd[1]: Detected architecture arm.

  905 21:36:48.587132  

  906 21:36:48.587666  Welcome to Debian GNU/Linux 11 (bullseye)!

  907 21:36:48.588014  

  908 21:36:48.643206  <30>[   19.426921] systemd[1]: Set hostname to <debian-bullseye-armhf>.

  909 21:36:50.439814  <30>[   21.201989] systemd[1]: Queued start job for default target Graphical Interface.

  910 21:36:50.440553  <30>[   21.217267] systemd[1]: Created slice system-getty.slice.

  911 21:36:50.440914  [  OK  ] Created slice system-getty.slice.

  912 21:36:50.508846  <30>[   21.264875] systemd[1]: Created slice system-modprobe.slice.

  913 21:36:50.509476  [  OK  ] Created slice system-modprobe.slice.

  914 21:36:50.509830  <30>[   21.286055] systemd[1]: Created slice system-serial\x2dgetty.slice.

  915 21:36:50.510158  [  OK  ] Created slice system-serial\x2dgetty.slice.

  916 21:36:50.560744  <30>[   21.334143] systemd[1]: Created slice User and Session Slice.

  917 21:36:50.561176  [  OK  ] Created slice User and Session Slice.

  918 21:36:50.617453  <30>[   21.384701] systemd[1]: Started Dispatch Password Requests to Console Directory Watch.

  919 21:36:50.617894  [  OK  ] Started Dispatch Password …ts to Console Directory Watch.

  920 21:36:50.665662  <30>[   21.433890] systemd[1]: Started Forward Password Requests to Wall Directory Watch.

  921 21:36:50.666096  [  OK  ] Started Forward Password R…uests to Wall Directory Watch.

  922 21:36:50.720602  <30>[   21.482241] systemd[1]: Condition check resulted in Arbitrary Executable File Formats File System Automount Point being skipped.

  923 21:36:50.721040  <30>[   21.495416] systemd[1]: Reached target Local Encrypted Volumes.

  924 21:36:50.721382  [  OK  ] Reached target Local Encrypted Volumes.

  925 21:36:50.764027  <30>[   21.542147] systemd[1]: Reached target Paths.

  926 21:36:50.764582  [  OK  ] Reached target Paths.

  927 21:36:50.802551  <30>[   21.580227] systemd[1]: Reached target Remote File Systems.

  928 21:36:50.803135  [  OK  ] Reached target Remote File Systems.

  929 21:36:50.845490  <30>[   21.620693] systemd[1]: Reached target Slices.

  930 21:36:50.845922  [  OK  ] Reached target Slices.

  931 21:36:50.877539  <30>[   21.661640] systemd[1]: Reached target Swap.

  932 21:36:50.877970  [  OK  ] Reached target Swap.

  933 21:36:50.927710  <30>[   21.701985] systemd[1]: Listening on initctl Compatibility Named Pipe.

  934 21:36:50.928248  [  OK  ] Listening on initctl Compatibility Named Pipe.

  935 21:36:51.035758  <30>[   21.800530] systemd[1]: Condition check resulted in Journal Audit Socket being skipped.

  936 21:36:51.036300  <30>[   21.813706] systemd[1]: Listening on Journal Socket (/dev/log).

  937 21:36:51.036651  [  OK  ] Listening on Journal Socket (/dev/log).

  938 21:36:51.085450  <30>[   21.856278] systemd[1]: Listening on Journal Socket.

  939 21:36:51.085958  [  OK  ] Listening on Journal Socket.

  940 21:36:51.134395  <30>[   21.906474] systemd[1]: Listening on Network Service Netlink Socket.

  941 21:36:51.134967  [  OK  ] Listening on Network Service Netlink Socket.

  942 21:36:51.188630  <30>[   21.961324] systemd[1]: Listening on udev Control Socket.

  943 21:36:51.189170  [  OK  ] Listening on udev Control Socket.

  944 21:36:51.227599  <30>[   22.002371] systemd[1]: Listening on udev Kernel Socket.

  945 21:36:51.228134  [  OK  ] Listening on udev Kernel Socket.

  946 21:36:51.272849  <30>[   22.044041] systemd[1]: Condition check resulted in Huge Pages File System being skipped.

  947 21:36:51.273404  <30>[   22.055179] systemd[1]: Condition check resulted in POSIX Message Queue File System being skipped.

  948 21:36:51.297277  <30>[   22.075514] systemd[1]: Mounting Kernel Debug File System...

  949 21:36:51.297719           Mounting Kernel Debug File System...

  950 21:36:51.347940  <30>[   22.122890] systemd[1]: Mounting Kernel Trace File System...

  951 21:36:51.348046           Mounting Kernel Trace File System...

  952 21:36:51.415085  <30>[   22.188148] systemd[1]: Starting Create list of static device nodes for the current kernel...

  953 21:36:51.415541           Starting Create list of st…odes for the current kernel...

  954 21:36:51.469511  <30>[   22.244157] systemd[1]: Starting Load Kernel Module configfs...

  955 21:36:51.470044           Starting Load Kernel Module configfs...

  956 21:36:51.526128  <30>[   22.302260] systemd[1]: Starting Load Kernel Module drm...

  957 21:36:51.526646           Starting Load Kernel Module drm...

  958 21:36:51.582112  <30>[   22.361566] systemd[1]: Starting Load Kernel Module fuse...

  959 21:36:51.582655           Starting Load Kernel Module fuse...

  960 21:36:51.626039  <30>[   22.409349] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped.

  961 21:36:51.663137  <30>[   22.442775] systemd[1]: Starting Journal Service...

  962 21:36:51.663677  <6>[   22.444829] fuse: init (API version 7.32)

  963 21:36:51.664025           Starting Journal Service...

  964 21:36:51.732884  <30>[   22.515940] systemd[1]: Starting Load Kernel Modules...

  965 21:36:51.733419           Starting Load Kernel Modules...

  966 21:36:51.785949  <30>[   22.560844] systemd[1]: Starting Remount Root and Kernel File Systems...

  967 21:36:51.786412           Starting Remount Root and Kernel File Systems...

  968 21:36:51.847972  <30>[   22.621982] systemd[1]: Starting Coldplug All udev Devices...

  969 21:36:51.848499           Starting Coldplug All udev Devices...

  970 21:36:51.888057  <30>[   22.664590] systemd[1]: Mounted Kernel Debug File System.

  971 21:36:51.888597  [  OK  ] Mounted Kernel Debug File System.

  972 21:36:51.927959  <30>[   22.703342] systemd[1]: Mounted Kernel Trace File System.

  973 21:36:51.928499  [  OK  ] Mounted Kernel Trace File System.

  974 21:36:51.988666  <30>[   22.760281] systemd[1]: Finished Create list of static device nodes for the current kernel.

  975 21:36:51.989121  [  OK  ] Finished Create list of st… nodes for the current kernel.

  976 21:36:52.092978  <30>[   22.858716] systemd[1]: modprobe@configfs.service: Succeeded.

  977 21:36:52.093513  <30>[   22.869809] systemd[1]: Finished Load Kernel Module configfs.

  978 21:36:52.093897  [  OK  ] Finished Load Kernel Module configfs.

  979 21:36:52.150935  <30>[   22.916251] systemd[1]: modprobe@drm.service: Succeeded.

  980 21:36:52.151468  <30>[   22.927060] systemd[1]: Finished Load Kernel Module drm.

  981 21:36:52.151852  [  OK  ] Finished Load Kernel Module drm.

  982 21:36:52.212017  <30>[   22.976799] systemd[1]: modprobe@fuse.service: Succeeded.

  983 21:36:52.212561  <30>[   22.987564] systemd[1]: Finished Load Kernel Module fuse.

  984 21:36:52.212909  [  OK  ] Finished Load Kernel Module fuse.

  985 21:36:52.266930  <30>[   23.046007] systemd[1]: Finished Load Kernel Modules.

  986 21:36:52.267468  [  OK  ] Finished Load Kernel Modules.

  987 21:36:52.321126  <30>[   23.095972] systemd[1]: Finished Remount Root and Kernel File Systems.

  988 21:36:52.321695  [  OK  ] Finished Remount Root and Kernel File Systems.

  989 21:36:52.387925  <30>[   23.163158] systemd[1]: Mounting FUSE Control File System...

  990 21:36:52.388461           Mounting FUSE Control File System...

  991 21:36:52.443549  <30>[   23.220298] systemd[1]: Mounting Kernel Configuration File System...

  992 21:36:52.444119           Mounting Kernel Configuration File System...

  993 21:36:52.480529  <30>[   23.251198] systemd[1]: Condition check resulted in Rebuild Hardware Database being skipped.

  994 21:36:52.481062  <30>[   23.262624] systemd[1]: Condition check resulted in Platform Persistent Storage Archival being skipped.

  995 21:36:52.506507  <30>[   23.283333] systemd[1]: Starting Load/Save Random Seed...

  996 21:36:52.507110           Starting Load/Save Random Seed...

  997 21:36:52.558458  <30>[   23.333032] systemd[1]: Starting Apply Kernel Variables...

  998 21:36:52.559093           Starting Apply Kernel Variables...

  999 21:36:52.603352  <30>[   23.386903] systemd[1]: Starting Create System Users...

 1000 21:36:52.603785           Starting Create System Users...

 1001 21:36:52.666694  <30>[   23.446292] systemd[1]: Started Journal Service.

 1002 21:36:52.667264  [  OK  ] Started Journal Service.

 1003 21:36:52.714490  [  OK  ] Mounted FUSE Control File System.

 1004 21:36:52.761701  [  OK  ] Mounted Kernel Configuration File System.

 1005 21:36:52.807323  [  OK  ] Finished Load/Save Random Seed.

 1006 21:36:52.855622  [  OK  ] Finished Apply Kernel Variables.

 1007 21:36:52.918826           Starting Flush Journal to Persistent Storage...

 1008 21:36:52.959216  [  OK  ] Finished Create System Users.

 1009 21:36:53.006335           Starting Create Static Device Nodes in /dev...

 1010 21:36:53.052156  <46>[   23.835335] systemd-journald[275]: Received client request to flush runtime journal.

 1011 21:36:53.265327  [  OK  ] Finished Create Static Device Nodes in /dev.

 1012 21:36:53.312476  [  OK  ] Reached target Local File Systems (Pre).

 1013 21:36:53.360414  [  OK  ] Reached target Local File Systems.

 1014 21:36:53.464057           Starting Rule-based Manage…for Device Events and Files...

 1015 21:36:54.863792  [  OK  ] Finished Flush Journal to Persistent Storage.

 1016 21:36:54.922919           Starting Create Volatile Files and Directories...

 1017 21:36:54.961629  [  OK  ] Started Rule-based Manager for Device Events and Files.

 1018 21:36:55.025919           Starting Network Service...

 1019 21:36:56.200410  [  OK  ] Finished Create Volatile Files and Directories.

 1020 21:36:56.310169           Starting Network Time Synchronization...

 1021 21:36:56.373113           Starting Update UTMP about System Boot/Shutdown...

 1022 21:36:56.709110  [  OK  ] Started Network Service.

 1023 21:36:56.805088           Starting Network Name Resolution...

 1024 21:36:57.021366  [  OK  ] Finished Update UTMP about System Boot/Shutdown.

 1025 21:36:58.010579  [  OK  ] Started Network Time Synchronization.

 1026 21:36:58.049456  [  OK  ] Reached target System Time Set.

 1027 21:36:58.079411  [  OK  ] Reached target System Time Synchronized.

 1028 21:36:58.774534  [  OK  ] Finished Coldplug All udev Devices.

 1029 21:36:58.822632  [  OK  ] Reached target System Initialization.

 1030 21:36:59.507887  [  OK  ] Started Daily apt download activities.

 1031 21:36:59.554498  [  OK  ] Started Daily apt upgrade and clean activities.

 1032 21:36:59.590718  [  OK  ] Started Periodic ext4 Onli…ata Check for All Filesystems.

 1033 21:36:59.652113  [  OK  ] Started Discard unused blocks once a week.

 1034 21:36:59.652260  [  OK  ] Started Daily Cleanup of Temporary Directories.

 1035 21:36:59.683980  [  OK  ] Reached target Timers.

 1036 21:36:59.908027  [  OK  ] Listening on D-Bus System Message Bus Socket.

 1037 21:36:59.954830  [  OK  ] Reached target Sockets.

 1038 21:36:59.955025  [  OK  ] Reached target Basic System.

 1039 21:37:00.019391  [  OK  ] Started D-Bus System Message Bus.

 1040 21:37:00.221168           Starting Remove Stale Onli…t4 Metadata Check Snapshots...

 1041 21:37:00.445683           Starting User Login Management...

 1042 21:37:00.483208  [  OK  ] Started Network Name Resolution.

 1043 21:37:00.578514  [  OK  ] Found device /dev/ttymxc1.

 1044 21:37:01.372957  [  OK  ] Finished Remove Stale Onli…ext4 Metadata Check Snapshots.

 1045 21:37:03.425504  [*     ] A start job is running for User Login Management (13s / 1min 40s)

 1046 21:37:03.723358  M

 1047 21:37:03.723889  [  OK  ] Started User Login Management.

 1048 21:37:03.755654  [  OK  ] Reached target Network.

 1049 21:37:03.802869  [  OK  ] Reached target Host and Network Name Lookups.

 1050 21:37:03.844331  [  OK  ] Reached target Hardware activated USB gadget.

 1051 21:37:03.886928  [  OK  ] Listening on Load/Save RF …itch Status /dev/rfkill Watch.

 1052 21:37:03.934656           Starting Permit User Sessions...

 1053 21:37:04.056188  [  OK  ] Finished Permit User Sessions.

 1054 21:37:04.120048  [  OK  ] Started Getty on tty1.

 1055 21:37:04.168123  [  OK  ] Started Serial Getty on ttymxc1.

 1056 21:37:04.216147  [  OK  ] Reached target Login Prompts.

 1057 21:37:04.253929  [  OK  ] Reached target Multi-User System.

 1058 21:37:04.294019  [  OK  ] Reached target Graphical Interface.

 1059 21:37:04.348876           Starting Update UTMP about System Runlevel Changes...

 1060 21:37:04.557079  [  OK  ] Finished Update UTMP about System Runlevel Changes.

 1061 21:37:04.668097  

 1062 21:37:04.668283  

 1063 21:37:04.689374  Debian GNU/Linux 11 debian-bullseye-armhf ttymxc1

 1064 21:37:04.689624  

 1065 21:37:04.689765  debian-bullseye-armhf login: root (automatic login)

 1066 21:37:04.689892  

 1067 21:37:04.690008  

 1068 21:37:05.350963  Linux debian-bullseye-armhf 5.10.212-cip44 #1 SMP Wed Mar 6 21:21:06 UTC 2024 armv7l

 1069 21:37:05.351568  

 1070 21:37:05.351908  The programs included with the Debian GNU/Linux system are free software;

 1071 21:37:05.352320  the exact distribution terms for each program are described in the

 1072 21:37:05.352633  individual files in /usr/share/doc/*/copyright.

 1073 21:37:05.352930  

 1074 21:37:05.353274  Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent

 1075 21:37:05.353578  permitted by applicable law.

 1076 21:37:10.804533  Matched prompt #10: / #
 1078 21:37:10.805825  Setting prompt string to ['/ #']
 1079 21:37:10.806262  end: 2.4.4.1 login-action (duration 00:00:43) [common]
 1081 21:37:10.807319  end: 2.4.4 auto-login-action (duration 00:00:44) [common]
 1082 21:37:10.807926  start: 2.4.5 expect-shell-connection (timeout 00:03:16) [common]
 1083 21:37:10.808292  Setting prompt string to ['/ #']
 1084 21:37:10.808593  Forcing a shell prompt, looking for ['/ #']
 1086 21:37:10.859396  / # 

 1087 21:37:10.859982  expect-shell-connection: Wait for prompt ['/ #'] (timeout 00:05:00)
 1088 21:37:10.860409  Waiting using forced prompt support (timeout 00:02:30)
 1089 21:37:10.867630  

 1090 21:37:10.884115  end: 2.4.5 expect-shell-connection (duration 00:00:00) [common]
 1091 21:37:10.884827  start: 2.4.6 export-device-env (timeout 00:03:16) [common]
 1092 21:37:10.885262  Sending with 10 millisecond of delay
 1094 21:37:16.015097  / # export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/12965456/extract-nfsrootfs-1mkguq4j'

 1095 21:37:16.031683  export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/12965456/extract-nfsrootfs-1mkguq4j'

 1096 21:37:16.032520  Sending with 10 millisecond of delay
 1098 21:37:18.262200  / # export NFS_SERVER_IP='192.168.201.1'

 1099 21:37:18.273355  export NFS_SERVER_IP='192.168.201.1'

 1100 21:37:18.286750  end: 2.4.6 export-device-env (duration 00:00:07) [common]
 1101 21:37:18.287463  end: 2.4 uboot-commands (duration 00:01:52) [common]
 1102 21:37:18.287993  end: 2 uboot-action (duration 00:01:52) [common]
 1103 21:37:18.288499  start: 3 lava-test-retry (timeout 00:07:42) [common]
 1104 21:37:18.289003  start: 3.1 lava-test-shell (timeout 00:07:42) [common]
 1105 21:37:18.289418  Using namespace: common
 1107 21:37:18.390844  / # #

 1108 21:37:18.391496  lava-test-shell: Wait for prompt ['/ #'] (timeout 00:10:00)
 1109 21:37:18.397889  #

 1110 21:37:18.414376  Using /lava-12965456
 1112 21:37:18.515891  / # export SHELL=/bin/bash

 1113 21:37:18.525839  export SHELL=/bin/bash

 1115 21:37:18.643790  / # . /lava-12965456/environment

 1116 21:37:18.653742  . /lava-12965456/environment

 1118 21:37:18.771071  / # /lava-12965456/bin/lava-test-runner /lava-12965456/0

 1119 21:37:18.771708  Test shell timeout: 10s (minimum of the action and connection timeout)
 1120 21:37:18.781830  /lava-12965456/bin/lava-test-runner /lava-12965456/0

 1121 21:37:19.463162  + export TESTRUN_ID=0_timesync-off

 1122 21:37:19.463732  + TESTRUN_ID=0_timesync-off

 1123 21:37:19.464102  + cd /lava-12965456/0/tests/0_timesync-off

 1124 21:37:19.464446  ++ cat uuid

 1125 21:37:19.510129  + UUID=12965456_1.6.2.4.1

 1126 21:37:19.510695  + set +x

 1127 21:37:19.511125  <LAVA_SIGNAL_STARTRUN 0_timesync-off 12965456_1.6.2.4.1>

 1128 21:37:19.511473  + systemctl stop systemd-timesyncd

 1129 21:37:19.512102  Received signal: <STARTRUN> 0_timesync-off 12965456_1.6.2.4.1
 1130 21:37:19.512473  Starting test lava.0_timesync-off (12965456_1.6.2.4.1)
 1131 21:37:19.512897  Skipping test definition patterns.
 1132 21:37:19.654250  + set +x

 1133 21:37:19.669945  <LAVA_SIGNAL_ENDRUN 0_timesync-off 12965456_1.6.2.4.1>

 1134 21:37:19.670803  Received signal: <ENDRUN> 0_timesync-off 12965456_1.6.2.4.1
 1135 21:37:19.671246  Ending use of test pattern.
 1136 21:37:19.671596  Ending test lava.0_timesync-off (12965456_1.6.2.4.1), duration 0.16
 1138 21:37:19.930692  + export TESTRUN_ID=1_kselftest-lkdtm

 1139 21:37:19.931293  + TESTRUN_ID=1_kselftest-lkdtm

 1140 21:37:19.931671  + cd /lava-12965456/0/tests/1_kselftest-lkdtm

 1141 21:37:19.932026  ++ cat uuid

 1142 21:37:20.001055  + UUID=12965456_1.6.2.4.5

 1143 21:37:20.001617  + set +x

 1144 21:37:20.001992  <LAVA_SIGNAL_STARTRUN 1_kselftest-lkdtm 12965456_1.6.2.4.5>

 1145 21:37:20.002342  + cd ./automated/linux/kselftest/

 1146 21:37:20.002681  + ./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/v5.10.209-cip44-594-gb47da48f3bae7/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

 1147 21:37:20.003385  Received signal: <STARTRUN> 1_kselftest-lkdtm 12965456_1.6.2.4.5
 1148 21:37:20.003741  Starting test lava.1_kselftest-lkdtm (12965456_1.6.2.4.5)
 1149 21:37:20.004193  Skipping test definition patterns.
 1150 21:37:20.192476  INFO: install_deps skipped

 1151 21:37:20.387519  --2024-03-06 21:37:20--  http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.209-cip44-594-gb47da48f3bae7/arm/multi_v7_defconfig+kselftest/gcc-10/kselftest.tar.xz

 1152 21:37:20.431318  Resolving storage.kernelci.org (storage.kernelci.org)... 20.171.243.82

 1153 21:37:20.558970  Connecting to storage.kernelci.org (storage.kernelci.org)|20.171.243.82|:80... connected.

 1154 21:37:20.705433  HTTP request sent, awaiting response... 200 OK

 1155 21:37:20.706154  Length: 1409000 (1.3M) [application/octet-stream]

 1156 21:37:20.706610  Saving to: 'kselftest.tar.xz'

 1157 21:37:20.707023  

 1158 21:37:20.707368  

 1159 21:37:20.944825  kselftest.tar.xz      0%[                    ]       0  --.-KB/s               

 1160 21:37:21.227312  kselftest.tar.xz      3%[                    ]  46.39K   178KB/s               

 1161 21:37:21.531560  kselftest.tar.xz     15%[==>                 ] 213.25K   406KB/s               

 1162 21:37:21.665155  kselftest.tar.xz     62%[===========>        ] 854.75K  1.01MB/s               

 1163 21:37:21.665316  kselftest.tar.xz    100%[===================>]   1.34M  1.40MB/s    in 1.0s    

 1164 21:37:21.665383  

 1165 21:37:21.807012  2024-03-06 21:37:21 (1.40 MB/s) - 'kselftest.tar.xz' saved [1409000/1409000]

 1166 21:37:21.807266  

 1167 21:37:27.764990  skiplist:

 1168 21:37:27.765182  ========================================

 1169 21:37:27.765283  ========================================

 1170 21:37:27.923289  lkdtm:PANIC.sh

 1171 21:37:27.923796  lkdtm:BUG.sh

 1172 21:37:27.924134  lkdtm:WARNING.sh

 1173 21:37:27.924447  lkdtm:WARNING_MESSAGE.sh

 1174 21:37:27.924743  lkdtm:EXCEPTION.sh

 1175 21:37:27.925034  lkdtm:LOOP.sh

 1176 21:37:27.925321  lkdtm:EXHAUST_STACK.sh

 1177 21:37:27.925604  lkdtm:CORRUPT_STACK.sh

 1178 21:37:27.925884  lkdtm:CORRUPT_STACK_STRONG.sh

 1179 21:37:27.926160  lkdtm:CORRUPT_LIST_ADD.sh

 1180 21:37:27.926437  lkdtm:CORRUPT_LIST_DEL.sh

 1181 21:37:27.926714  lkdtm:STACK_GUARD_PAGE_LEADING.sh

 1182 21:37:27.927038  lkdtm:STACK_GUARD_PAGE_TRAILING.sh

 1183 21:37:27.927318  lkdtm:UNSET_SMEP.sh

 1184 21:37:27.927590  lkdtm:DOUBLE_FAULT.sh

 1185 21:37:27.927860  lkdtm:CORRUPT_PAC.sh

 1186 21:37:27.928129  lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh

 1187 21:37:27.928254  lkdtm:OVERWRITE_ALLOCATION.sh

 1188 21:37:27.928306  lkdtm:WRITE_AFTER_FREE.sh

 1189 21:37:27.966325  lkdtm:READ_AFTER_FREE.sh

 1190 21:37:27.966740  lkdtm:WRITE_BUDDY_AFTER_FREE.sh

 1191 21:37:27.967128  lkdtm:READ_BUDDY_AFTER_FREE.sh

 1192 21:37:27.967439  lkdtm:SLAB_FREE_DOUBLE.sh

 1193 21:37:27.967736  lkdtm:SLAB_FREE_CROSS.sh

 1194 21:37:27.968024  lkdtm:SLAB_FREE_PAGE.sh

 1195 21:37:27.968310  lkdtm:SOFTLOCKUP.sh

 1196 21:37:27.968589  lkdtm:HARDLOCKUP.sh

 1197 21:37:27.968866  lkdtm:SPINLOCKUP.sh

 1198 21:37:27.969139  lkdtm:HUNG_TASK.sh

 1199 21:37:27.969410  lkdtm:EXEC_DATA.sh

 1200 21:37:27.969680  lkdtm:EXEC_STACK.sh

 1201 21:37:27.969951  lkdtm:EXEC_KMALLOC.sh

 1202 21:37:27.970219  lkdtm:EXEC_VMALLOC.sh

 1203 21:37:27.970490  lkdtm:EXEC_RODATA.sh

 1204 21:37:27.970765  lkdtm:EXEC_USERSPACE.sh

 1205 21:37:27.971061  lkdtm:EXEC_NULL.sh

 1206 21:37:27.971329  lkdtm:ACCESS_USERSPACE.sh

 1207 21:37:27.971599  lkdtm:ACCESS_NULL.sh

 1208 21:37:27.971869  lkdtm:WRITE_RO.sh

 1209 21:37:27.972140  lkdtm:WRITE_RO_AFTER_INIT.sh

 1210 21:37:28.009479  lkdtm:WRITE_KERN.sh

 1211 21:37:28.009895  lkdtm:REFCOUNT_INC_OVERFLOW.sh

 1212 21:37:28.010453  lkdtm:REFCOUNT_ADD_OVERFLOW.sh

 1213 21:37:28.010840  lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh

 1214 21:37:28.011159  lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh

 1215 21:37:28.011453  lkdtm:REFCOUNT_DEC_ZERO.sh

 1216 21:37:28.011742  lkdtm:REFCOUNT_DEC_NEGATIVE.sh

 1217 21:37:28.012026  lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh

 1218 21:37:28.012306  lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh

 1219 21:37:28.012584  lkdtm:REFCOUNT_INC_ZERO.sh

 1220 21:37:28.012862  lkdtm:REFCOUNT_ADD_ZERO.sh

 1221 21:37:28.013137  lkdtm:REFCOUNT_INC_SATURATED.sh

 1222 21:37:28.013410  lkdtm:REFCOUNT_DEC_SATURATED.sh

 1223 21:37:28.013681  lkdtm:REFCOUNT_ADD_SATURATED.sh

 1224 21:37:28.013951  lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh

 1225 21:37:28.052601  lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh

 1226 21:37:28.053015  lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh

 1227 21:37:28.053348  lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh

 1228 21:37:28.053656  lkdtm:REFCOUNT_TIMING.sh

 1229 21:37:28.053950  lkdtm:ATOMIC_TIMING.sh

 1230 21:37:28.054235  lkdtm:USERCOPY_HEAP_SIZE_TO.sh

 1231 21:37:28.054519  lkdtm:USERCOPY_HEAP_SIZE_FROM.sh

 1232 21:37:28.054838  lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh

 1233 21:37:28.055161  lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh

 1234 21:37:28.055442  lkdtm:USERCOPY_STACK_FRAME_TO.sh

 1235 21:37:28.055719  lkdtm:USERCOPY_STACK_FRAME_FROM.sh

 1236 21:37:28.055994  lkdtm:USERCOPY_STACK_BEYOND.sh

 1237 21:37:28.056303  lkdtm:USERCOPY_KERNEL.sh

 1238 21:37:28.056577  lkdtm:STACKLEAK_ERASING.sh

 1239 21:37:28.095629  lkdtm:CFI_FORWARD_PROTO.sh

 1240 21:37:28.096144  ============== Tests to run ===============

 1241 21:37:28.096487  lkdtm:PANIC.sh

 1242 21:37:28.096796  lkdtm:BUG.sh

 1243 21:37:28.097093  lkdtm:WARNING.sh

 1244 21:37:28.097384  lkdtm:WARNING_MESSAGE.sh

 1245 21:37:28.097671  lkdtm:EXCEPTION.sh

 1246 21:37:28.097954  lkdtm:LOOP.sh

 1247 21:37:28.098237  lkdtm:EXHAUST_STACK.sh

 1248 21:37:28.098515  lkdtm:CORRUPT_STACK.sh

 1249 21:37:28.098813  lkdtm:CORRUPT_STACK_STRONG.sh

 1250 21:37:28.099095  lkdtm:CORRUPT_LIST_ADD.sh

 1251 21:37:28.099375  lkdtm:CORRUPT_LIST_DEL.sh

 1252 21:37:28.099651  lkdtm:STACK_GUARD_PAGE_LEADING.sh

 1253 21:37:28.099924  lkdtm:STACK_GUARD_PAGE_TRAILING.sh

 1254 21:37:28.100198  lkdtm:UNSET_SMEP.sh

 1255 21:37:28.100470  lkdtm:DOUBLE_FAULT.sh

 1256 21:37:28.100738  lkdtm:CORRUPT_PAC.sh

 1257 21:37:28.101008  lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh

 1258 21:37:28.101280  lkdtm:OVERWRITE_ALLOCATION.sh

 1259 21:37:28.138607  lkdtm:WRITE_AFTER_FREE.sh

 1260 21:37:28.139046  lkdtm:READ_AFTER_FREE.sh

 1261 21:37:28.139378  lkdtm:WRITE_BUDDY_AFTER_FREE.sh

 1262 21:37:28.139687  lkdtm:READ_BUDDY_AFTER_FREE.sh

 1263 21:37:28.139985  lkdtm:SLAB_FREE_DOUBLE.sh

 1264 21:37:28.140276  lkdtm:SLAB_FREE_CROSS.sh

 1265 21:37:28.140563  lkdtm:SLAB_FREE_PAGE.sh

 1266 21:37:28.140843  lkdtm:SOFTLOCKUP.sh

 1267 21:37:28.141122  lkdtm:HARDLOCKUP.sh

 1268 21:37:28.141396  lkdtm:SPINLOCKUP.sh

 1269 21:37:28.141669  lkdtm:HUNG_TASK.sh

 1270 21:37:28.141941  lkdtm:EXEC_DATA.sh

 1271 21:37:28.142215  lkdtm:EXEC_STACK.sh

 1272 21:37:28.142485  lkdtm:EXEC_KMALLOC.sh

 1273 21:37:28.142753  lkdtm:EXEC_VMALLOC.sh

 1274 21:37:28.143053  lkdtm:EXEC_RODATA.sh

 1275 21:37:28.143326  lkdtm:EXEC_USERSPACE.sh

 1276 21:37:28.143595  lkdtm:EXEC_NULL.sh

 1277 21:37:28.143863  lkdtm:ACCESS_USERSPACE.sh

 1278 21:37:28.144132  lkdtm:ACCESS_NULL.sh

 1279 21:37:28.181928  lkdtm:WRITE_RO.sh

 1280 21:37:28.182438  lkdtm:WRITE_RO_AFTER_INIT.sh

 1281 21:37:28.182799  lkdtm:WRITE_KERN.sh

 1282 21:37:28.183115  lkdtm:REFCOUNT_INC_OVERFLOW.sh

 1283 21:37:28.183413  lkdtm:REFCOUNT_ADD_OVERFLOW.sh

 1284 21:37:28.183706  lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh

 1285 21:37:28.183991  lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh

 1286 21:37:28.184269  lkdtm:REFCOUNT_DEC_ZERO.sh

 1287 21:37:28.184549  lkdtm:REFCOUNT_DEC_NEGATIVE.sh

 1288 21:37:28.184826  lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh

 1289 21:37:28.185100  lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh

 1290 21:37:28.185375  lkdtm:REFCOUNT_INC_ZERO.sh

 1291 21:37:28.185651  lkdtm:REFCOUNT_ADD_ZERO.sh

 1292 21:37:28.185924  lkdtm:REFCOUNT_INC_SATURATED.sh

 1293 21:37:28.186195  lkdtm:REFCOUNT_DEC_SATURATED.sh

 1294 21:37:28.224884  lkdtm:REFCOUNT_ADD_SATURATED.sh

 1295 21:37:28.225307  lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh

 1296 21:37:28.225640  lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh

 1297 21:37:28.225948  lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh

 1298 21:37:28.226242  lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh

 1299 21:37:28.226531  lkdtm:REFCOUNT_TIMING.sh

 1300 21:37:28.226852  lkdtm:ATOMIC_TIMING.sh

 1301 21:37:28.227145  lkdtm:USERCOPY_HEAP_SIZE_TO.sh

 1302 21:37:28.227427  lkdtm:USERCOPY_HEAP_SIZE_FROM.sh

 1303 21:37:28.227703  lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh

 1304 21:37:28.227982  lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh

 1305 21:37:28.228255  lkdtm:USERCOPY_STACK_FRAME_TO.sh

 1306 21:37:28.228528  lkdtm:USERCOPY_STACK_FRAME_FROM.sh

 1307 21:37:28.228799  lkdtm:USERCOPY_STACK_BEYOND.sh

 1308 21:37:28.229072  lkdtm:USERCOPY_KERNEL.sh

 1309 21:37:28.245753  lkdtm:STACKLEAK_ERASING.sh

 1310 21:37:28.246169  lkdtm:CFI_FORWARD_PROTO.sh

 1311 21:37:28.246504  ===========End Tests to run ===============

 1312 21:37:28.246865  shardfile-lkdtm pass

 1313 21:37:30.420120  <12>[   61.208717] kselftest: Running tests in lkdtm

 1314 21:37:30.452162  TAP version 13

 1315 21:37:30.484211  1..70

 1316 21:37:30.516174  # selftests: lkdtm: PANIC.sh

 1317 21:37:31.075822  # Skipping PANIC: crashes entire system

 1318 21:37:31.091799  ok 1 selftests: lkdtm: PANIC.sh # SKIP

 1319 21:37:31.139720  # selftests: lkdtm: BUG.sh

 1320 21:37:31.544566  <6>[   62.305742] lkdtm: Performing direct entry BUG

 1321 21:37:31.545084  <4>[   62.311174] ------------[ cut here ]------------

 1322 21:37:31.545473  <2>[   62.316077] kernel BUG at drivers/misc/lkdtm/bugs.c:76!

 1323 21:37:31.545820  <0>[   62.321573] Internal error: Oops - BUG: 0 [#1] SMP ARM

 1324 21:37:31.587587  <4>[   62.326983] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3

 1325 21:37:31.588313  <4>[   62.356316] CPU: 2 PID: 700 Comm: cat Not tainted 5.10.212-cip44 #1

 1326 21:37:31.588949  <4>[   62.362852] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 1327 21:37:31.589332  <4>[   62.369661] PC is at lkdtm_BUG+0x14/0x18

 1328 21:37:31.589676  <4>[   62.373857] LR is at lkdtm_do_action+0x2c/0x4c

 1329 21:37:31.590010  <4>[   62.378570] pc : [<c0c58a68>]    lr : [<c0c584e8>]    psr: a00e0013

 1330 21:37:31.590374  <4>[   62.385104] sp : c68d1e58  ip : c68d1e68  fp : c68d1e64

 1331 21:37:31.630963  <4>[   62.390597] r10: 00000004  r9 : c1ad5c00  r8 : c15ebd54

 1332 21:37:31.631556  <4>[   62.396090] r7 : c68d1f60  r6 : 00000004  r5 : c5ed3000  r4 : 00000001

 1333 21:37:31.631936  <4>[   62.402886] r3 : c0c58a54  r2 : e6134b02  r1 : ef7ab5e0  r0 : c15ebd5c

 1334 21:37:31.632281  <4>[   62.409683] Flags: NzCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 1335 21:37:31.632618  <4>[   62.417086] Control: 10c5387d  Table: 16d9404a  DAC: 00000051

 1336 21:37:31.632944  <0>[   62.423102] Process cat (pid: 700, stack limit = 0x861f2a08)

 1337 21:37:31.633263  <0>[   62.429030] Stack: (0xc68d1e58 to 0xc68d2000)

 1338 21:37:31.674169  <0>[   62.433660] 1e40:                                                       c68d1e74 c68d1e68

 1339 21:37:31.674741  <0>[   62.442109] 1e60: c0c584e8 c0c58a60 c68d1e9c c68d1e78 c0c589e8 c0c584c8 c0c588c8 c435d400

 1340 21:37:31.675170  <0>[   62.450562] 1e80: b6e77000 00000004 c517a780 c68d1f60 c68d1ec4 c68d1ea0 c07e211c c0c588d4

 1341 21:37:31.675526  <0>[   62.459013] 1ea0: 00000000 c435d400 b6e77000 c290d000 c68d1f60 c07e20b8 c68d1f5c c68d1ec8

 1342 21:37:31.675866  <0>[   62.467463] 1ec0: c059bdac c07e20c4 00000001 00000000 c059c358 c13e0f18 c059c358 c68d0000

 1343 21:37:31.717566  <0>[   62.475913] 1ee0: b6e77000 00020000 00000004 00000004 0001fffc c68d1ee0 00000001 b6e76000

 1344 21:37:31.718143  <0>[   62.484361] 1f00: c68d7400 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 1345 21:37:31.718524  <0>[   62.492810] 1f20: 00000000 00000000 c13e0f18 e6134b02 c206c0e0 c435d400 c435d400 c68d0000

 1346 21:37:31.718917  <0>[   62.501260] 1f40: b6e77000 00000000 00000000 00000004 c68d1f94 c68d1f60 c059c358 c059bcac

 1347 21:37:31.719332  <0>[   62.509709] 1f60: 00000000 00000000 c68d1fac e6134b02 00000004 00000004 b6fbee00 00000004

 1348 21:37:31.760817  <0>[   62.518160] 1f80: c03002e4 c68d0000 c68d1fa4 c68d1f98 c059c3e8 c059c2f0 00000000 c68d1fa8

 1349 21:37:31.761379  <0>[   62.526610] 1fa0: c03000c0 c059c3dc 00000004 00000004 00000001 b6e77000 00000004 00000000

 1350 21:37:31.761756  <0>[   62.535061] 1fc0: 00000004 00000004 b6fbee00 00000004 00000001 00000000 00020000 be881ac4

 1351 21:37:31.762105  <0>[   62.543510] 1fe0: 00000004 be8817f8 b6f28d8f b6eaf7e6 800e0030 00000001 00000000 00000000

 1352 21:37:31.762438  <0>[   62.551952] Backtrace: 

 1353 21:37:31.762763  <0>[   62.554681] [<c0c58a54>] (lkdtm_BUG) from [<c0c584e8>] (lkdtm_do_action+0x2c/0x4c)

 1354 21:37:31.804108  <0>[   62.562526] [<c0c584bc>] (lkdtm_do_action) from [<c0c589e8>] (direct_entry+0x120/0x18c)

 1355 21:37:31.804794  <0>[   62.570810] [<c0c588c8>] (direct_entry) from [<c07e211c>] (full_proxy_write+0x64/0x94)

 1356 21:37:31.805183  <0>[   62.579003]  r9:c68d1f60 r8:c517a780 r7:00000004 r6:b6e77000 r5:c435d400 r4:c0c588c8

 1357 21:37:31.805532  <0>[   62.587028] [<c07e20b8>] (full_proxy_write) from [<c059bdac>] (vfs_write+0x10c/0x53c)

 1358 21:37:31.805869  <0>[   62.595132]  r9:c07e20b8 r8:c68d1f60 r7:c290d000 r6:b6e77000 r5:c435d400 r4:00000000

 1359 21:37:31.847201  <0>[   62.603149] [<c059bca0>] (vfs_write) from [<c059c358>] (ksys_write+0x74/0xec)

 1360 21:37:31.847769  <0>[   62.610558]  r10:00000004 r9:00000000 r8:00000000 r7:b6e77000 r6:c68d0000 r5:c435d400

 1361 21:37:31.848147  <0>[   62.618654]  r4:c435d400

 1362 21:37:31.848560  <0>[   62.621464] [<c059c2e4>] (ksys_write) from [<c059c3e8>] (sys_write+0x18/0x1c)

 1363 21:37:31.848976  <0>[   62.628872]  r9:c68d0000 r8:c03002e4 r7:00000004 r6:b6fbee00 r5:00000004 r4:00000004

 1364 21:37:31.849494  <0>[   62.636892] [<c059c3d0>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 1365 21:37:31.849853  <0>[   62.644731] Exception stack(0xc68d1fa8 to 0xc68d1ff0)

 1366 21:37:31.890461  <0>[   62.650055] 1fa0:                   00000004 00000004 00000001 b6e77000 00000004 00000000

 1367 21:37:31.891261  <0>[   62.658505] 1fc0: 00000004 00000004 b6fbee00 00000004 00000001 00000000 00020000 be881ac4

 1368 21:37:31.891663  <0>[   62.666951] 1fe0: 00000004 be8817f8 b6f28d8f b6eaf7e6

 1369 21:37:31.892011  <0>[   62.672275] Code: e92dd800 e24cb004 e52de004 e8bd4000 (e7f001f2) 

 1370 21:37:31.892346  <4>[   62.678644] ---[ end trace c25e2e226ccb7025 ]---

 1371 21:37:31.892670  <3>[   62.683534] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 1372 21:37:31.933662  <3>[   62.692677] in_atomic(): 0, irqs_disabled(): 128, non_block: 0, pid: 700, name: cat

 1373 21:37:31.934228  <4>[   62.700599] INFO: lockdep is turned off.

 1374 21:37:31.934607  <4>[   62.704789] irq event stamp: 1658

 1375 21:37:31.934993  <4>[   62.708385] hardirqs last  enabled at (1657): [<c03d6a18>] console_unlock+0x4b0/0x6c0

 1376 21:37:31.935332  <4>[   62.716487] hardirqs last disabled at (1658): [<c0300c60>] __und_svc+0x60/0x6c

 1377 21:37:31.935663  <4>[   62.723980] softirqs last  enabled at (1654): [<c030219c>] __do_softirq+0x36c/0x5a0

 1378 21:37:31.976962  <4>[   62.731909] softirqs last disabled at (1649): [<c035f8fc>] __irq_exit_rcu+0x178/0x1d0

 1379 21:37:31.977526  <4>[   62.740011] CPU: 2 PID: 700 Comm: cat Tainted: G      D           5.10.212-cip44 #1

 1380 21:37:31.977909  <4>[   62.747935] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 1381 21:37:31.978259  <4>[   62.754729] Backtrace: 

 1382 21:37:31.978591  <4>[   62.757460] [<c13bdcdc>] (dump_backtrace) from [<c13be09c>] (show_stack+0x20/0x24)

 1383 21:37:31.978979  <4>[   62.765303]  r7:ffffffff r6:600e0093 r5:00000000 r4:c1f1d0b8

 1384 21:37:31.979310  <4>[   62.771241] [<c13be07c>] (show_stack) from [<c13c5334>] (dump_stack+0xe0/0x100)

 1385 21:37:32.020442  <4>[   62.778831] [<c13c5254>] (dump_stack) from [<c038fbf4>] (___might_sleep+0x188/0x2e0)

 1386 21:37:32.021009  <4>[   62.786848]  r9:600e0093 r8:0000000b r7:c035c468 r6:00000031 r5:c19d1e48 r4:c68d0000

 1387 21:37:32.021390  <4>[   62.794866] [<c038fa6c>] (___might_sleep) from [<c038fdbc>] (__might_sleep+0x70/0xb0)

 1388 21:37:32.021737  <4>[   62.802966]  r6:00000000 r5:00000031 r4:c19d1e48

 1389 21:37:32.022063  <4>[   62.807865] [<c038fd4c>] (__might_sleep) from [<c036da68>] (exit_signals+0x4c/0x420)

 1390 21:37:32.022386  <4>[   62.815877]  r6:00000001 r5:c68d0000 r4:c2c56c00

 1391 21:37:32.063517  <4>[   62.820777] [<c036da1c>] (exit_signals) from [<c035c468>] (do_exit+0x100/0xafc)

 1392 21:37:32.064084  <4>[   62.828356]  r8:0000000b r7:c1e1ca8c r6:ffffe000 r5:00000000 r4:c2c56c00

 1393 21:37:32.064463  <4>[   62.835337] [<c035c368>] (do_exit) from [<c035e360>] (make_task_dead+0x68/0x74)

 1394 21:37:32.064811  <4>[   62.842913]  r7:c1e1ca8c

 1395 21:37:32.065143  <4>[   62.845724] [<c035e2f8>] (make_task_dead) from [<c030e940>] (die+0x370/0x37c)

 1396 21:37:32.065470  <4>[   62.853133] [<c030e5d0>] (die) from [<c030eabc>] (do_undefinstr+0x170/0x240)

 1397 21:37:32.065789  <4>[   62.860456]  r10:00000004 r9:c68d0000 r8:c15ebd54 r7:00000000 r6:c68d1dc8 r5:c0c58a68

 1398 21:37:32.106680  <4>[   62.868553]  r4:e7f001f2

 1399 21:37:32.107278  <4>[   62.871363] [<c030e94c>] (do_undefinstr) from [<c0300c6c>] (__und_svc_finish+0x0/0x54)

 1400 21:37:32.107657  <4>[   62.879550] Exception stack(0xc68d1dc8 to 0xc68d1e10)

 1401 21:37:32.108005  <4>[   62.884874] 1dc0:                   c15ebd5c ef7ab5e0 e6134b02 c0c58a54 00000001 c5ed3000

 1402 21:37:32.108338  <4>[   62.893324] 1de0: 00000004 c68d1f60 c15ebd54 c1ad5c00 00000004 c68d1e64 c68d1e68 c68d1e58

 1403 21:37:32.108660  <4>[   62.901770] 1e00: c0c584e8 c0c58a68 a00e0013 ffffffff

 1404 21:37:32.150019  <4>[   62.907091]  r7:c68d1dfc r6:ffffffff r5:a00e0013 r4:c0c58a6c

 1405 21:37:32.150583  <4>[   62.913025] [<c0c58a54>] (lkdtm_BUG) from [<c0c584e8>] (lkdtm_do_action+0x2c/0x4c)

 1406 21:37:32.151015  <4>[   62.920867] [<c0c584bc>] (lkdtm_do_action) from [<c0c589e8>] (direct_entry+0x120/0x18c)

 1407 21:37:32.151371  <4>[   62.929150] [<c0c588c8>] (direct_entry) from [<c07e211c>] (full_proxy_write+0x64/0x94)

 1408 21:37:32.151707  <4>[   62.937338]  r9:c68d1f60 r8:c517a780 r7:00000004 r6:b6e77000 r5:c435d400 r4:c0c588c8

 1409 21:37:32.152039  <4>[   62.945359] [<c07e20b8>] (full_proxy_write) from [<c059bdac>] (vfs_write+0x10c/0x53c)

 1410 21:37:32.193356  <4>[   62.953461]  r9:c07e20b8 r8:c68d1f60 r7:c290d000 r6:b6e77000 r5:c435d400 r4:00000000

 1411 21:37:32.193917  <4>[   62.961478] [<c059bca0>] (vfs_write) from [<c059c358>] (ksys_write+0x74/0xec)

 1412 21:37:32.194294  <4>[   62.968886]  r10:00000004 r9:00000000 r8:00000000 r7:b6e77000 r6:c68d0000 r5:c435d400

 1413 21:37:32.194643  <4>[   62.976982]  r4:c435d400

 1414 21:37:32.195014  <4>[   62.979789] [<c059c2e4>] (ksys_write) from [<c059c3e8>] (sys_write+0x18/0x1c)

 1415 21:37:32.195346  <4>[   62.987196]  r9:c68d0000 r8:c03002e4 r7:00000004 r6:b6fbee00 r5:00000004 r4:00000004

 1416 21:37:32.243991  <4>[   62.995213] [<c059c3d0>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 1417 21:37:32.244171  <4>[   63.003049] Exception stack(0xc68d1fa8 to 0xc68d1ff0)

 1418 21:37:32.244250  <4>[   63.008371] 1fa0:                   00000004 00000004 00000001 b6e77000 00000004 00000000

 1419 21:37:32.244369  <4>[   63.016820] 1fc0: 00000004 00000004 b6fbee00 00000004 00000001 00000000 00020000 be881ac4

 1420 21:37:32.244464  <4>[   63.025265] 1fe0: 00000004 be8817f8 b6f28d8f b6eaf7e6

 1421 21:37:32.244522  # Segmentation fault

 1422 21:37:32.350922  # [   62.305742] lkdtm: Performing direct entry BUG

 1423 21:37:32.351361  # [   62.311174] ------------[ cut here ]------------

 1424 21:37:32.351703  # [   62.316077] kernel BUG at drivers/misc/lkdtm/bugs.c:76!

 1425 21:37:32.352018  # [   62.321573] Internal error: Oops - BUG: 0 [#1] SMP ARM

 1426 21:37:32.394045  # [   62.326983] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3

 1427 21:37:32.394481  # [   62.356316] CPU: 2 PID: 700 Comm: cat Not tainted 5.10.212-cip44 #1

 1428 21:37:32.394848  # [   62.362852] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 1429 21:37:32.395172  # [   62.369661] PC is at lkdtm_BUG+0x14/0x18

 1430 21:37:32.395476  # [   62.373857] LR is at lkdtm_do_action+0x2c/0x4c

 1431 21:37:32.395770  # [   62.378570] pc : [<c0c58a68>]    lr : [<c0c584e8>]    psr: a00e0013

 1432 21:37:32.396061  # [   62.385104] sp : c68d1e58  ip : c68d1e68  fp : c68d1e64

 1433 21:37:32.396314  # [   62.390597] r10: 00000004  r9 : c1ad5c00  r8 : c15ebd54

 1434 21:37:32.436888  # [   62.396090] r7 : c68d1f60  r6 : 00000004  r5 : c5ed3000  r4 : 00000001

 1435 21:37:32.436971  # [   62.402886] r3 : c0c58a54  r2 : e6134b02  r1 : ef7ab5e0  r0 : c15ebd5c

 1436 21:37:32.437038  # [   62.409683] Flags: NzCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 1437 21:37:32.437099  # [   62.417086] Control: 10c5387d  Table: 16d9404a  DAC: 00000051

 1438 21:37:32.437157  # [   62.423102] Process cat (pid: 700, stack limit = 0x861f2a08)

 1439 21:37:32.437213  # [   62.429030] Stack: (0xc68d1e58 to 0xc68d2000)

 1440 21:37:32.480647  # [   62.433660] 1e40:                                                       c68d1e74 c68d1e68

 1441 21:37:32.481170  # [   62.442109] 1e60: c0c584e8 c0c58a60 c68d1e9c c68d1e78 c0c589e8 c0c584c8 c0c588c8 c435d400

 1442 21:37:32.481511  # [   62.450562] 1e80: b6e77000 00000004 c517a780 c68d1f60 c68d1ec4 c68d1ea0 c07e211c c0c588d4

 1443 21:37:32.481822  # [   62.459013] 1ea0: 00000000 c435d400 b6e77000 c290d000 c68d1f60 c07e20b8 c68d1f5c c68d1ec8

 1444 21:37:32.482119  # [   62.467463] 1ec0: c059bdac c07e20c4 00000001 00000000 c059c358 c13e0f18 c059c358 c68d0000

 1445 21:37:32.482409  # [   62.475913] 1ee0: b6e77000 00020000 00000004 00000004 0001fffc c68d1ee0 00000001 b6e76000

 1446 21:37:32.522998  # [   62.484361] 1f00: c68d7400 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 1447 21:37:32.523155  # [   62.492810] 1f20: 00000000 00000000 c13e0f18 e6134b02 c206c0e0 c435d400 c435d400 c68d0000

 1448 21:37:32.523221  # [   62.501260] 1f40: b6e77000 00000000 00000000 00000004 c68d1f94 c68d1f60 c059c358 c059bcac

 1449 21:37:32.523283  # [   62.509709] 1f60: 00000000 00000000 c68d1fac e6134b02 00000004 00000004 b6fbee00 00000004

 1450 21:37:32.523343  # [   62.518160] 1f80: c03002e4 c68d0000 c68d1fa4 c68d1f98 c059c3e8 c059c2f0 00000000 c68d1fa8

 1451 21:37:32.567013  # [   62.526610] 1fa0: c03000c0 c059c3dc 00000004 00000004 00000001 b6e77000 00000004 00000000

 1452 21:37:32.567295  # [   62.535061] 1fc0: 00000004 00000004 b6fbee00 00000004 00000001 00000000 00020000 be881ac4

 1453 21:37:32.567468  # [   62.543510] 1fe0: 00000004 be8817f8 b6f28d8f b6eaf7e6 800e0030 00000001 00000000 00000000

 1454 21:37:32.567625  # [   62.551952] Backtrace: 

 1455 21:37:32.567773  # [   62.554681] [<c0c58a54>] (lkdtm_BUG) from [<c0c584e8>] (lkdtm_do_action+0x2c/0x4c)

 1456 21:37:32.567916  # [   62.562526] [<c0c584bc>] (lkdtm_do_action) from [<c0c589e8>] (direct_entry+0x120/0x18c)

 1457 21:37:32.611252  # [   62.570810] [<c0c588c8>] (direct_entry) from [<c07e211c>] (full_proxy_write+0x64/0x94)

 1458 21:37:32.611823  # [   62.579003]  r9:c68d1f60 r8:c517a780 r7:00000004 r6:b6e77000 r5:c435d400 r4:c0c588c8

 1459 21:37:32.612212  # [   62.587028] [<c07e20b8>] (full_proxy_write) from [<c059bdac>] (vfs_write+0x10c/0x53c)

 1460 21:37:32.612562  # [   62.595132]  r9:c07e20b8 r8:c68d1f60 r7:c290d000 r6:b6e77000 r5:c435d400 r4:00000000

 1461 21:37:32.612893  # [   62.603149] [<c059bca0>] (vfs_write) from [<c059c358>] (ksys_write+0x74/0xec)

 1462 21:37:32.655308  # [   62.610558]  r10:00000004 r9:00000000 r8:00000000 r7:b6e77000 r6:c68d0000 r5:c435d400

 1463 21:37:32.655913  # [   62.618654]  r4:c435d400

 1464 21:37:32.656301  # [   62.621464] [<c059c2e4>] (ksys_write) from [<c059c3e8>] (sys_write+0x18/0x1c)

 1465 21:37:32.656720  # [   62.628872]  r9:c68d0000 r8:c03002e4 r7:00000004 r6:b6fbee00 r5:00000004 r4:00000004

 1466 21:37:32.657065  # [   62.636892] [<c059c3d0>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 1467 21:37:32.657394  # [   62.644731] Exception stack(0xc68d1fa8 to 0xc68d1ff0)

 1468 21:37:32.657858  # [   62.650055] 1fa0:                   00000004 00000004 00000001 b6e77000 00000004 00000000

 1469 21:37:32.699291  # [   62.658505] 1fc0: 00000004 00000004 b6fbee00 00000004 00000001 00000000 00020000 be881ac4

 1470 21:37:32.699888  # [   62.666951] 1fe0: 00000004 be8817f8 b6f28d8f b6eaf7e6

 1471 21:37:32.700263  # [   62.672275] Code: e92dd800 e24cb004 e52de004 e8bd4000 (e7f001f2) 

 1472 21:37:32.700612  # [   62.678644] ---[ end trace c25e2e226ccb7025 ]---

 1473 21:37:32.700945  # [   62.683534] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 1474 21:37:32.701274  # [   62.692677] in_atomic(): 0, irqs_disabled(): 128, non_block: 0, pid: 700, name: cat

 1475 21:37:32.747398  # [   62.700599] INFO: lockdep is turned off.

 1476 21:37:32.747955  # [   62.704789] irq event stamp: 1658

 1477 21:37:32.748331  # [   62.708385] hardirqs last  enabled at (1657): [<c03d6a18>] console_unlock+0x4b0/0x6c0

 1478 21:37:32.748682  # [   62.716487] hardirqs last disabled at (1658): [<c0300c60>] __und_svc+0x60/0x6c

 1479 21:37:32.749014  # [   62.723980] softirqs last  enabled at (1654): [<c030219c>] __do_softirq+0x36c/0x5a0

 1480 21:37:32.749341  # [   62.731909] softirqs last disabled at (1649): [<c035f8fc>] __irq_exit_rcu+0x178/0x1d0

 1481 21:37:32.749661  # [   62.740011] CPU: 2 PID: 700 Comm: cat Tainted: G      D           5.10.212-cip44 #1

 1482 21:37:32.791360  # [   62.747935] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 1483 21:37:32.791919  # [   62.754729] Backtrace: 

 1484 21:37:32.792298  # [   62.757460] [<c13bdcdc>] (dump_backtrace) from [<c13be09c>] (show_stack+0x20/0x24)

 1485 21:37:32.792648  # [   62.765303]  r7:ffffffff r6:600e0093 r5:00000000 r4:c1f1d0b8

 1486 21:37:32.792980  # [   62.771241] [<c13be07c>] (show_stack) from [<c13c5334>] (dump_stack+0xe0/0x100)

 1487 21:37:32.793306  # [   62.778831] [<c13c5254>] (dump_stack) from [<c038fbf4>] (___might_sleep+0x188/0x2e0)

 1488 21:37:32.835226  # [   62.786848<6>[   63.581961] lkdtm: Performing direct entry WARNING

 1489 21:37:32.835786  ]  r9:600e0093 r8:0000000b r7:c03<4>[   63.588677] ------------[ cut here ]------------

 1490 21:37:32.836163  5c468 r6:00000031 r5:c19d1e48 r4:<4>[   63.596520] WARNING: CPU: 1 PID: 772 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x48/0x4c

 1491 21:37:32.836522  c68d0000

 1492 21:37:32.879358  # [   62.794866] [<c038<4>[   63.608032] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3

 1493 21:37:32.879958  fa6c>] (___might_sleep) from [<c0<4>[   63.639987] CPU: 1 PID: 772 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 1494 21:37:32.880344  38fdbc>] (__might_sleep+0x70/0xb0<4>[   63.650721] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 1495 21:37:32.880700  )

 1496 21:37:32.881030  # [   62.802966]  r6:00000000 <4>[   63.660371] Backtrace: 

 1497 21:37:32.881358  r5:00000031 r4:c19d1e48

 1498 21:37:32.923473  # [   62<4>[   63.665959] [<c13bdcdc>] (dump_backtrace) from [<c13be09c>] (show_stack+0x20/0x24)

 1499 21:37:32.924045  .807865] [<c038fd4c>] (__might_sl<4>[   63.676641]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8

 1500 21:37:32.924435  eep) from [<c036da68>] (exit_sign<4>[   63.685431] [<c13be07c>] (show_stack) from [<c13c5334>] (dump_stack+0xe0/0x100)

 1501 21:37:32.924787  als+0x4c/0x420)

 1502 21:37:32.925117  # [   62.815877]<4>[   63.695863] [<c13c5254>] (dump_stack) from [<c03567c8>] (__warn+0x98/0x14c)

 1503 21:37:32.967422    r6:00000001 r5:c68d0000 r4:c2c5<4>[   63.705943]  r9:00000009 r8:c0c58ab4 r7:00000053 r6:00000009 r5:c0c58ab4 r4:c1ad62bc

 1504 21:37:32.967991  6c00

 1505 21:37:32.968377  # [   62.820777] [<c036da1c<4>[   63.716810] [<c0356730>] (__warn) from [<c13bf1d8>] (warn_slowpath_fmt+0x8c/0xa8)

 1506 21:37:32.968727  >] (exit_signals) from [<c035c468<4>[   63.727411]  r7:00000053 r6:c1ad62bc r5:00000000 r4:c68b6000

 1507 21:37:32.969062  >] (do_exit+0x100/0xafc)

 1508 21:37:32.969385  # [   6<4>[   63.736199] [<c13bf150>] (warn_slowpath_fmt) from [<c0c58ab4>] (lkdtm_WARNING+0x48/0x4c)

 1509 21:37:32.969708  2.828356]  r8:0000000b r7:c1e1ca8<4>[   63.747411]  r9:c1ad5c04 r8:c15ebd54 r7:c68b7f60 r6:00000008 r5:c6acb000 r4:00000002

 1510 21:37:33.011289  c r6:ffffe000 r5:00000000 r4:c2c5<4>[   63.758279] [<c0c58a6c>] (lkdtm_WARNING) from [<c0c584e8>] (lkdtm_do_action+0x2c/0x4c)

 1511 21:37:33.011864  6c00

 1512 21:37:33.012249  # [   62.835337] [<c035c368<4>[   63.769316] [<c0c584bc>] (lkdtm_do_action) from [<c0c589e8>] (direct_entry+0x120/0x18c)

 1513 21:37:33.012608  >] (do_exit) from [<c035e360>] (m<4>[   63.780450] [<c0c588c8>] (direct_entry) from [<c07e211c>] (full_proxy_write+0x64/0x94)

 1514 21:37:33.012944  ake_task_dead+0x68/0x74)

 1515 21:37:33.013266  # [   6<4>[   63.791483]  r9:c68b7f60 r8:c517a780 r7:00000008 r6:b6e58000 r5:c68e9040 r4:c0c588c8

 1516 21:37:33.059224  2.842913]  r7:c1e1ca8c

 1517 21:37:33.059796  <4>[   63.802355] [<c07e20b8>] (full_proxy_write) from [<c059bdac>] (vfs_write+0x10c/0x53c)

 1518 21:37:33.060178  # [   62.845724] [<c035e2f8>] (ma<4>[   63.812520]  r9:c07e20b8 r8:c68b7f60 r7:c290d000 r6:b6e58000 r5:c68e9040 r4:00000000

 1519 21:37:33.060528  ke_task_dead) from [<c030e940>] (<4>[   63.823387] [<c059bca0>] (vfs_write) from [<c059c358>] (ksys_write+0x74/0xec)

 1520 21:37:33.060864  die+0x370/0x37c)

 1521 21:37:33.061187  # [   62.853133<4>[   63.833643]  r10:00000004 r9:00000000 r8:00000000 r7:b6e58000 r6:c68b6000 r5:c68e9040

 1522 21:37:33.103311  ] [<c030e5d0>] (die) from [<c030e<4>[   63.844588]  r4:c68e9040

 1523 21:37:33.103908  abc>] (do_undefinstr+0x170/0x240)<4>[   63.850255] [<c059c2e4>] (ksys_write) from [<c059c3e8>] (sys_write+0x18/0x1c)

 1524 21:37:33.104387  

 1525 21:37:33.104741  # [   62.860456]  r10:00000004 <4>[   63.860510]  r9:c68b6000 r8:c03002e4 r7:00000004 r6:b6f9fe00 r5:00000008 r4:00000008

 1526 21:37:33.105083  r9:c68d0000 r8:c15ebd54 r7:000000<4>[   63.871381] [<c059c3d0>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 1527 21:37:33.105416  00 r6:c68d1dc8 r5:c0c58a68

 1528 21:37:33.147244  <4>[   63.882064] Exception stack(0xc68b7fa8 to 0xc68b7ff0)

 1529 21:37:33.147808  # [   62.868553]  r4:e7f001f2<4>[   63.889811] 7fa0:                   00000008 00000008 00000001 b6e58000 00000008 00000000

 1530 21:37:33.148187  <4>[   63.900763] 7fc0: 00000008 00000008 b6f9fe00 00000004 00000001 00000000 00020000 bed45ac4

 1531 21:37:33.148537  

 1532 21:37:33.148866  <4>[   63.909212] 7fe0: 00000004 bed457f8 b6f09d8f b6e907e6

 1533 21:37:33.149194  # [   62.871363] [<c030e94c>] (do<4>[   63.914775] irq event stamp: 0

 1534 21:37:33.149514  _undefinstr) from [<c0300c6c>] (_<4>[   63.920911] hardirqs last  enabled at (0): [<00000000>] 0x0

 1535 21:37:33.149833  _und_svc_finish+0x0/0x54)

 1536 21:37:33.191003  # [   <4>[   63.929591] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 1537 21:37:33.191192  62.879550] Exception stack(0xc68d<4>[   63.940245] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 1538 21:37:33.191295  1dc8 to 0xc68d1e10)

 1539 21:37:33.191383  # [   62.884<4>[   63.950828] softirqs last disabled at (0): [<00000000>] 0x0

 1540 21:37:33.191466  874] 1dc0:                   c15e<4>[   63.959502] ---[ end trace c25e2e226ccb7026 ]---

 1541 21:37:33.191550  bd5c ef7ab5e0 e6134b02 c0c58a54 00000001 c5ed3000

 1542 21:37:33.235247  # [   62.893324] 1de0: 00000004 c68d1f60 c15ebd54 c1ad5c00 00000004 c68d1e64 c68d1e68 c68d1e58

 1543 21:37:33.235812  # [   62.901770] 1e00: c0c584e8 c0c58a68 a00e0013 ffffffff

 1544 21:37:33.236211  # [   62.907091]  r7:c68d1dfc r6:ffffffff r5:a00e0013 r4:c0c58a6c

 1545 21:37:33.236565  # [   62.913025] [<c0c58a54>] (lkdtm_BUG) from [<c0c584e8>] (lkdtm_do_action+0x2c/0x4c)

 1546 21:37:33.236900  # [   62.920867] [<c0c584bc>] (lkdtm_do_action) from [<c0c589e8>] (direct_entry+0x120/0x18c)

 1547 21:37:33.237229  # [   62.929150] [<c0c588c8>] (direct_entry) from [<c07e211c>] (full_proxy_write+0x64/0x94)

 1548 21:37:33.279438  # [   62.937338]  r9:c68d1f60 r8:c517a780 r7:00000004 r6:b6e77000 r5:c435d400 r4:c0c588c8

 1549 21:37:33.280002  # [   62.945359] [<c07e20b8>] (full_proxy_write) from [<c059bdac>] (vfs_write+0x10c/0x53c)

 1550 21:37:33.280385  # [   62.953461]  r9:c07e20b8 r8:c68d1f60 r7:c290d000 r6:b6e77000 r5:c435d400 r4:00000000

 1551 21:37:33.280736  # [   62.961478] [<c059bca0>] (vfs_write) from [<c059c358>] (ksys_write+0x74/0xec)

 1552 21:37:33.281069  # [   62.968886]  r10:00000004 r9:00000000 r8:00000000 r7:b6e77000 r6:c68d0000 r5:c435d400

 1553 21:37:33.281396  # [   62.976982]  r4:c435d400

 1554 21:37:33.327278  # [   62.979789] [<c059c2e4>] (ksys_write) from [<c059c3e8>] (sys_write+0x18/0x1c)

 1555 21:37:33.327834  # [   62.987196]  r9:c68d0000 r8:c03002e4 r7:00000004 r6:b6fbee00 r5:00000004 r4:00000004

 1556 21:37:33.328205  # [   62.995213] [<c059c3d0>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 1557 21:37:33.328552  # [   63.003049] Exception stack(0xc68d1fa8 to 0xc68d1ff0)

 1558 21:37:33.328882  # [   63.008371] 1fa0:                   00000004 00000004 00000001 b6e77000 00000004 00000000

 1559 21:37:33.329210  # [   63.016820] 1fc0: 00000004 00000004 b6fbee00 00000004 00000001 00000000 00020000 be881ac4

 1560 21:37:33.371282  # [   63.025265] 1fe0: 00000004 be8817f8 b6f28d8f b6eaf7e6

 1561 21:37:33.371840  # BUG: saw 'kernel BUG at': ok

 1562 21:37:33.372210  ok 2 selftests: lkdtm: BUG.sh

 1563 21:37:33.372556  # selftests: lkdtm: WARNING.sh

 1564 21:37:33.372887  # [   63.581961] lkdtm: Performing direct entry WARNING

 1565 21:37:33.373210  # [   63.588677] ------------[ cut here ]------------

 1566 21:37:33.373523  # [   63.596520] WARNING: CPU: 1 PID: 772 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x48/0x4c

 1567 21:37:33.415287  # [   63.608032] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3

 1568 21:37:33.415868  # [   63.639987] CPU: 1 PID: 772 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 1569 21:37:33.416253  # [   63.650721] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 1570 21:37:33.416600  # [   63.660371] Backtrace: 

 1571 21:37:33.416927  # [   63.665959] [<c13bdcdc>] (dump_backtrace) from [<c13be09c>] (show_stack+0x20/0x24)

 1572 21:37:33.459271  # [   63.676641]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8

 1573 21:37:33.459833  # [   63.685431] [<c13be07c>] (show_stack) from [<c13c5334>] (dump_stack+0xe0/0x100)

 1574 21:37:33.460209  # [   63.695863] [<c13c5254>] (dump_stack) from [<c03567c8>] (__warn+0x98/0x14c)

 1575 21:37:33.460554  # [   63.705943]  r9:00000009 r8:c0c58ab4 r7:00000053 r6:00000009 r5:c0c58ab4 r4:c1ad62bc

 1576 21:37:33.460887  # [   63.716810] [<c0356730>] (__warn) from [<c13bf1d8>] (warn_slowpath_fmt+0x8c/0xa8)

 1577 21:37:33.461212  # [   63.727411]  r7:00000053 r6:c1ad62bc r5:00000000 r4:c68b6000

 1578 21:37:33.503276  # [   63.736199] [<c13bf150>] (warn_slowpath_fmt) from [<c0c58ab4>] (lkdtm_WARNING+0x48/0x4c)

 1579 21:37:33.503846  # [   63.747411]  r9:c1ad5c04 r8:c15ebd54 r7:c68b7f60 r6:00000008 r5:c6acb000 r4:00000002

 1580 21:37:33.504306  # [   63.758279] [<c0c58a6c>] (lkdtm_WARNING) from [<c0c584e8>] (lkdtm_do_action+0x2c/0x4c)

 1581 21:37:33.504685  # [   63.769316] [<c0c584bc>] (lkdtm_do_action) from [<c0c589e8>] (direct_entry+0x120/0x18c)

 1582 21:37:33.505024  # [   63.780450] [<c0c588c8>] (direct_entry) from [<c07e211c>] (full_proxy_write+0x64/0x94)

 1583 21:37:33.551288  # [   63.791483]  r9:c68b7f60 r8:c517a780 r7:00000008 r6:b6e58000 r5:c68e9040 r4:c0c588c8

 1584 21:37:33.551855  # [   63.802355] [<c07e20b8>] (full_proxy_write) from [<c059bdac>] (vfs_write+0x10c/0x53c)

 1585 21:37:33.552273  # [   63.812520]  r9:c07e20b8 r8:c68b7f60 r7:c290d000 r6:b6e58000 r5:c68e9040 r4:00000000

 1586 21:37:33.552636  # [   63.823387] [<c059bca0>] (vfs_write) from [<c059c358>] (ksys_write+0x74/0xec)

 1587 21:37:33.552973  # [   63.833643]  r10:00000004 r9:00000000 r8:00000000 r7:b6e58000 r6:c68b6000 r5:c68e9040

 1588 21:37:33.553299  # [   63.844588]  r4:c68e9040

 1589 21:37:33.553630  # [   63.850255] [<c059c2e4>] (ksys_write) from [<c059c3e8>] (sys_write+0x18/0x1c)

 1590 21:37:33.595266  # [   63.860510]  r9:c68b6000 r8:c03002e4 r7:00000004 r6:b6f9fe00 r5:00000008 r4:00000008

 1591 21:37:33.595828  # [   63.871381] [<c059c3d0>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 1592 21:37:33.596204  # [   63.882064] Exception stack(0xc68b7fa8 to 0xc68b7ff0)

 1593 21:37:33.596551  # [   63.889811] 7fa0:                   00000008 00000008 00000001 b6e58000 00000008 00000000

 1594 21:37:33.596886  # [   63.900763] 7fc0: 00000008 00000008 b6f9fe00 00000004 00000001 00000000 00020000 bed45ac4

 1595 21:37:33.597209  # [   63.909212] 7fe0: 00000004 bed457f8 b6f09d8f b6e907e6

 1596 21:37:33.639428  # [   63.914775] irq event stamp: 0

 1597 21:37:33.640087  # [   63.920911] hardirqs last  enabled at (0): [<00000000>] 0x0

 1598 21:37:33.640509  # [   63.929591] hardirqs last disabled at (0): [<c03538f4>] copy_process+<6>[   64.373730] lkdtm: Performing direct entry WARNING_MESSAGE

 1599 21:37:33.640864  0x5f8/0x1dac

 1600 21:37:33.641205  # [   63.940245] so<4>[   64.382225] ------------[ cut here ]------------

 1601 21:37:33.641538  ftirqs last  enabled at (0): [<c0<4>[   64.389973] WARNING: CPU: 1 PID: 808 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x4c/0x54

 1602 21:37:33.683236  3538f4>] copy_process+0x5f8/0x1da<4>[   64.402235] Warning message trigger count: 2

 1603 21:37:33.683799  c

 1604 21:37:33.684178  # [   63.950828] softirqs last<4>[   64.409568] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3

 1605 21:37:33.727482   disabled at (0): [<00000000>] 0x<4>[   64.441586] CPU: 1 PID: 808 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 1606 21:37:33.728056  0

 1607 21:37:33.728450  # [   63.959502] ---[ end trac<4>[   64.452308] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 1608 21:37:33.728806  e c25e2e226ccb7026 ]---

 1609 21:37:33.729141  # WARNIN<4>[   64.461958] Backtrace: 

 1610 21:37:33.729470  G: saw 'WARNING:': ok

 1611 21:37:33.729789  ok 3 selft<4>[   64.467546] [<c13bdcdc>] (dump_backtrace) from [<c13be09c>] (show_stack+0x20/0x24)

 1612 21:37:33.730111  ests: lkdtm: WARNING.sh

 1613 21:37:33.730420  # selfte<4>[   64.478228]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8

 1614 21:37:33.730731  sts: lkdtm: WARNING_MESSAGE.sh

 1615 21:37:33.771231  <4>[   64.487014] [<c13be07c>] (show_stack) from [<c13c5334>] (dump_stack+0xe0/0x100)

 1616 21:37:33.771788  <4>[   64.497362] [<c13c5254>] (dump_stack) from [<c03567c8>] (__warn+0x98/0x14c)

 1617 21:37:33.772212  <4>[   64.504598]  r9:00000009 r8:c0c58b04 r7:00000058 r6:00000009 r5:c0c58b04 r4:c1ad62bc

 1618 21:37:33.772563  <4>[   64.512616] [<c0356730>] (__warn) from [<c13bf1d8>] (warn_slowpath_fmt+0x8c/0xa8)

 1619 21:37:33.772894  <4>[   64.520370]  r7:00000058 r6:c1ad62bc r5:c1ad62d8 r4:c43a0000

 1620 21:37:33.773219  <4>[   64.526307] [<c13bf150>] (warn_slowpath_fmt) from [<c0c58b04>] (lkdtm_WARNING_MESSAGE+0x4c/0x54)

 1621 21:37:33.815441  <4>[   64.535365]  r9:c1ad5c0c r8:c15ebd54 r7:c43a1f60 r6:00000010 r5:c6afa000 r4:00000003

 1622 21:37:33.816015  <4>[   64.543383] [<c0c58ab8>] (lkdtm_WARNING_MESSAGE) from [<c0c584e8>] (lkdtm_do_action+0x2c/0x4c)

 1623 21:37:33.816468  <4>[   64.552267] [<c0c584bc>] (lkdtm_do_action) from [<c0c589e8>] (direct_entry+0x120/0x18c)

 1624 21:37:33.816983  <4>[   64.560552] [<c0c588c8>] (direct_entry) from [<c07e211c>] (full_proxy_write+0x64/0x94)

 1625 21:37:33.817338  <4>[   64.568741]  r9:c43a1f60 r8:c517a780 r7:00000010 r6:b6e27000 r5:c5c2f040 r4:c0c588c8

 1626 21:37:33.859407  <4>[   64.576766] [<c07e20b8>] (full_proxy_write) from [<c059bdac>] (vfs_write+0x10c/0x53c)

 1627 21:37:33.860038  <4>[   64.584870]  r9:c07e20b8 r8:c43a1f60 r7:c290d000 r6:b6e27000 r5:c5c2f040 r4:00000000

 1628 21:37:33.860421  <4>[   64.592886] [<c059bca0>] (vfs_write) from [<c059c358>] (ksys_write+0x74/0xec)

 1629 21:37:33.860771  <4>[   64.600295]  r10:00000004 r9:00000000 r8:00000000 r7:b6e27000 r6:c43a0000 r5:c5c2f040

 1630 21:37:33.861105  <4>[   64.608393]  r4:c5c2f040

 1631 21:37:33.861429  <4>[   64.611201] [<c059c2e4>] (ksys_write) from [<c059c3e8>] (sys_write+0x18/0x1c)

 1632 21:37:33.902953  <4>[   64.618611]  r9:c43a0000 r8:c03002e4 r7:00000004 r6:b6f6ee00 r5:00000010 r4:00000010

 1633 21:37:33.903110  <4>[   64.626630] [<c059c3d0>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 1634 21:37:33.903177  <4>[   64.634470] Exception stack(0xc43a1fa8 to 0xc43a1ff0)

 1635 21:37:33.903239  <4>[   64.639799] 1fa0:                   00000010 00000010 00000001 b6e27000 00000010 00000000

 1636 21:37:33.903299  <4>[   64.648251] 1fc0: 00000010 00000010 b6f6ee00 00000004 00000001 00000000 00020000 bea28ac4

 1637 21:37:33.903358  <4>[   64.656698] 1fe0: 00000004 bea287f8 b6ed8d8f b6e5f7e6

 1638 21:37:33.903414  <4>[   64.662082] irq event stamp: 0

 1639 21:37:33.903470  <4>[   64.665422] hardirqs last  enabled at (0): [<00000000>] 0x0

 1640 21:37:33.903525  <4>[   64.671310] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 1641 21:37:33.903581  <4>[   64.679076] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 1642 21:37:33.903636  <4>[   64.686881] softirqs last disabled at (0): [<00000000>] 0x0

 1643 21:37:33.903692  <4>[   64.692786] ---[ end trace c25e2e226ccb7027 ]---

 1644 21:37:33.993138  # [   64.373730] lkdtm: Performing direct entry WARNING_MESSAGE

 1645 21:37:33.993686  # [   64.382225] ------------[ cut here ]------------

 1646 21:37:33.994062  # [   64.389973] WARNING: CPU: 1 PID: 808 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x4c/0x54

 1647 21:37:33.994414  # [   64.402235] Warning message trigger count: 2

 1648 21:37:34.036377  # [   64.409568] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3

 1649 21:37:34.036968  # [   64.441586] CPU: 1 PID: 808 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 1650 21:37:34.037348  # [   64.452308] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 1651 21:37:34.037697  # [   64.461958] Backtrace: 

 1652 21:37:34.038029  # [   64.467546] [<c13bdcdc>] (dump_backtrace) from [<c13be09c>] (show_stack+0x20/0x24)

 1653 21:37:34.038489  # [   64.478228]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8

 1654 21:37:34.079282  # [   64.487014] [<c13be07c>] (show_stack) from [<c13c5334>] (dump_stack+0xe0/0x100)

 1655 21:37:34.079879  # [   64.497362] [<c13c5254>] (dump_stack) from [<c03567c8>] (__warn+0x98/0x14c)

 1656 21:37:34.080257  # [   64.504598]  r9:00000009 r8:c0c58b04 r7:00000058 r6:00000009 r5:c0c58b04 r4:c1ad62bc

 1657 21:37:34.080637  # [   64.512616] [<c0356730>] (__warn) from [<c13bf1d8>] (warn_slowpath_fmt+0x8c/0xa8)

 1658 21:37:34.080970  # [   64.520370]  r7:00000058 r6:c1ad62bc r5:c1ad62d8 r4:c43a0000

 1659 21:37:34.081313  # [   64.526307] [<c13bf150>] (warn_slowpath_fmt) from [<c0c58b04>] (lkdtm_WARNING_MESSAGE+0x4c/0x54)

 1660 21:37:34.123294  # [   64.535365]  r9:c1ad5c0c r8:c15ebd54 r7:c43a1f60 r6:00000010 r5:c6afa000 r4:00000003

 1661 21:37:34.123862  # [   64.543383] [<c0c58ab8>] (lkdtm_WARNING_MESSAGE) from [<c0c584e8>] (lkdtm_do_action+0x2c/0x4c)

 1662 21:37:34.124248  # [   64.552267] [<c0c584bc>] (lkdtm_do_action) from [<c0c589e8>] (direct_entry+0x120/0x18c)

 1663 21:37:34.124595  # [   64.560552] [<c0c588c8>] (direct_entry) from [<c07e211c>] (full_proxy_write+0x64/0x94)

 1664 21:37:34.124929  # [   64.568741]  r9:c43a1f60 r8:c517a780 r7:00000010 r6:b6e27000 r5:c5c2f040 r4:c0c588c8

 1665 21:37:34.167248  # [   64.576766] [<c07e20b8>] (full_proxy_write) from [<c059bdac>] (vfs_write+0x10c/0x53c)

 1666 21:37:34.167816  # [   64.584870]  r9:c07e20b8 r8:c43a1f60 r7:c290d000 r6:b6e27000 r5:c5c2f040 r4:00000000

 1667 21:37:34.168203  # [   64.592886] [<c059bca0>] (vfs_write) from [<c059c358>] (ksys_write+0x74/0xec)

 1668 21:37:34.168555  # [   64.600295]  r10:00000004 r9:00000000 r8:00000000 r7:b6e27000 r6:c43a0000 r5:c5c2f040

 1669 21:37:34.168888  # [   64.608393]  r4:c5c2f040

 1670 21:37:34.169212  # [   64.611201] [<c059c2e4>] (ksys_write) from [<c059c3e8>] (sys_write+0x18/0x1c)

 1671 21:37:34.211253  # [   64.618611]  r9:c43a0000 r8:c03002e4 r7:00000004 r6:b6f6ee00 r5:00000010 r4:00000010

 1672 21:37:34.211840  # [   64.626630] [<c059c3d0>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 1673 21:37:34.212217  # [   64.634470] Exception stack(0xc43a1fa8 to 0xc43a1ff0)

 1674 21:37:34.212564  # [   64.639799] 1fa0:                   00000010 00000010 00000001 b6e27000 00000010 00000000

 1675 21:37:34.212930  # [   64.648251] 1fc0: 00000010 00000010 b6f6ee00 00000004 00000001 00000000 00020000 bea28ac4

 1676 21:37:34.213260  # [   64.656698] 1fe0: 00000004 bea287f8 b6ed8d8f b6e5f7e6

 1677 21:37:34.213579  # [   64.662082] irq event stamp: 0

 1678 21:37:34.261987  # [   64.665422] hardirqs last  enabled at (0): [<00000000>] 0x0

 1679 21:37:34.262882  # [   64.671310] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 1680 21:37:34.263299  # [   64.679076] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 1681 21:37:34.263659  # [   64.686881] softirqs last disabled at (0): [<00000000>] 0x0

 1682 21:37:34.263999  # [   64.692786] ---[ end trace c25e2e226ccb7027 ]---

 1683 21:37:34.264330  # WARNING_MESSAGE: saw 'message trigger': ok

 1684 21:37:34.264689  ok 4 selftests: lkdtm: WARNING_MESSAGE.sh

 1685 21:37:34.265058  # selftests: lkdtm: EXCEPTION.sh

 1686 21:37:34.329405  <6>[   65.091523] lkdtm: Performing direct entry EXCEPTION

 1687 21:37:34.329585  <1>[   65.096783] 8<--- cut here ---

 1688 21:37:34.329670  <1>[   65.100183] Unable to handle kernel NULL pointer dereference at virtual address 00000000

 1689 21:37:34.329749  <1>[   65.108576] pgd = cd69732b

 1690 21:37:34.329825  <1>[   65.111624] [00000000] *pgd=00000000

 1691 21:37:34.329902  <0>[   65.115500] Internal error: Oops: 805 [#2] SMP ARM

 1692 21:37:34.372853  <4>[   65.120574] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3

 1693 21:37:34.373091  <4>[   65.149889] CPU: 2 PID: 841 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 1694 21:37:34.373225  <4>[   65.157816] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 1695 21:37:34.373345  <4>[   65.164625] PC is at lkdtm_EXCEPTION+0x18/0x20

 1696 21:37:34.373458  <4>[   65.169342] LR is at lkdtm_do_action+0x2c/0x4c

 1697 21:37:34.416276  <4>[   65.174055] pc : [<c0c58b24>]    lr : [<c0c584e8>]    psr: a00e0013

 1698 21:37:34.416842  <4>[   65.180591] sp : c6d87e58  ip : c6d87e68  fp : c6d87e64

 1699 21:37:34.417219  <4>[   65.186085] r10: 0000000a  r9 : c1ad5c1c  r8 : c15ebd54

 1700 21:37:34.417568  <4>[   65.191578] r7 : c6d87f60  r6 : 0000000a  r5 : c6a7a000  r4 : 00000004

 1701 21:37:34.417903  <4>[   65.198374] r3 : 00000000  r2 : a304bbe5  r1 : ef7ab5e0  r0 : c15ebd74

 1702 21:37:34.418235  <4>[   65.205171] Flags: NzCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 1703 21:37:34.418561  <4>[   65.212575] Control: 10c5387d  Table: 16a2404a  DAC: 00000051

 1704 21:37:34.459614  <0>[   65.218595] Process cat (pid: 841, stack limit = 0x7b334bf5)

 1705 21:37:34.460188  <0>[   65.224524] Stack: (0xc6d87e58 to 0xc6d88000)

 1706 21:37:34.460569  <0>[   65.229152] 7e40:                                                       c6d87e74 c6d87e68

 1707 21:37:34.460924  <0>[   65.237605] 7e60: c0c584e8 c0c58b18 c6d87e9c c6d87e78 c0c589e8 c0c584c8 c0c588c8 c68d7b80

 1708 21:37:34.461262  <0>[   65.246055] 7e80: b6de8000 0000000a c517a780 c6d87f60 c6d87ec4 c6d87ea0 c07e211c c0c588d4

 1709 21:37:34.461595  <0>[   65.254505] 7ea0: 00000000 c68d7b80 b6de8000 c290d000 c6d87f60 c07e20b8 c6d87f5c c6d87ec8

 1710 21:37:34.503262  <0>[   65.262957] 7ec0: c059bdac c07e20c4 00000001 00000000 c059c358 c41210e4 c059c358 c6d86000

 1711 21:37:34.503834  <0>[   65.271406] 7ee0: b6de8000 00020000 00000004 0000000a 0001fff6 c6d87ee0 00000001 00000805

 1712 21:37:34.504216  <0>[   65.279855] 7f00: c4237680 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 1713 21:37:34.504567  <0>[   65.288305] 7f20: 00000000 00000000 c6d86000 a304bbe5 b6de7000 c68d7b80 c68d7b80 c6d86000

 1714 21:37:34.504901  <0>[   65.296754] 7f40: b6de8000 00000000 00000000 00000004 c6d87f94 c6d87f60 c059c358 c059bcac

 1715 21:37:34.547246  <0>[   65.305204] 7f60: 00000000 00000000 c6d87fac a304bbe5 0000000a 0000000a b6f2fe00 00000004

 1716 21:37:34.547839  <0>[   65.313654] 7f80: c03002e4 c6d86000 c6d87fa4 c6d87f98 c059c3e8 c059c2f0 00000000 c6d87fa8

 1717 21:37:34.548243  <0>[   65.322103] 7fa0: c03000c0 c059c3dc 0000000a 0000000a 00000001 b6de8000 0000000a 00000000

 1718 21:37:34.548593  <0>[   65.330554] 7fc0: 0000000a 0000000a b6f2fe00 00000004 00000001 00000000 00020000 bec51ac4

 1719 21:37:34.548931  <0>[   65.339002] 7fe0: 00000004 bec517f8 b6e99d8f b6e207e6 800e0030 00000001 00000000 00000000

 1720 21:37:34.549259  <0>[   65.347446] Backtrace: 

 1721 21:37:34.591259  <0>[   65.350176] [<c0c58b0c>] (lkdtm_EXCEPTION) from [<c0c584e8>] (lkdtm_do_action+0x2c/0x4c)

 1722 21:37:34.591828  <0>[   65.358543] [<c0c584bc>] (lkdtm_do_action) from [<c0c589e8>] (direct_entry+0x120/0x18c)

 1723 21:37:34.592212  <0>[   65.366830] [<c0c588c8>] (direct_entry) from [<c07e211c>] (full_proxy_write+0x64/0x94)

 1724 21:37:34.592559  <0>[   65.375024]  r9:c6d87f60 r8:c517a780 r7:0000000a r6:b6de8000 r5:c68d7b80 r4:c0c588c8

 1725 21:37:34.592889  <0>[   65.383050] [<c07e20b8>] (full_proxy_write) from [<c059bdac>] (vfs_write+0x10c/0x53c)

 1726 21:37:34.635357  <0>[   65.391154]  r9:c07e20b8 r8:c6d87f60 r7:c290d000 r6:b6de8000 r5:c68d7b80 r4:00000000

 1727 21:37:34.635930  <0>[   65.399175] [<c059bca0>] (vfs_write) from [<c059c358>] (ksys_write+0x74/0xec)

 1728 21:37:34.636321  <0>[   65.406585]  r10:00000004 r9:00000000 r8:00000000 r7:b6de8000 r6:c6d86000 r5:c68d7b80

 1729 21:37:34.636675  <0>[   65.414682]  r4:c68d7b80

 1730 21:37:34.637008  <0>[   65.417491] [<c059c2e4>] (ksys_write) from [<c059c3e8>] (sys_write+0x18/0x1c)

 1731 21:37:34.637341  <0>[   65.424898]  r9:c6d86000 r8:c03002e4 r7:00000004 r6:b6f2fe00 r5:0000000a r4:0000000a

 1732 21:37:34.679211  <0>[   65.432919] [<c059c3d0>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 1733 21:37:34.679839  <0>[   65.440757] Exception stack(0xc6d87fa8 to 0xc6d87ff0)

 1734 21:37:34.680245  <0>[   65.446080] 7fa0:                   0000000a 0000000a 00000001 b6de8000 0000000a 00000000

 1735 21:37:34.680660  <0>[   65.454531] 7fc0: 0000000a 0000000a b6f2fe00 00000004 00000001 00000000 00020000 bec51ac4

 1736 21:37:34.681056  <0>[   65.462979] 7fe0: 00000004 bec517f8 b6e99d8f b6e207e6

 1737 21:37:34.681425  <0>[   65.468303] Code: e24cb004 e52de004 e8bd4000 e3a03000 (e5833000) 

 1738 21:37:34.681810  <4>[   65.474769] ---[ end trace c25e2e226ccb7028 ]---

 1739 21:37:34.722878  # Segmentation fault

 1740 21:37:34.798978  # [   65.091523] lkdtm: Performing direct entry EXCEPTION

 1741 21:37:34.799135  # [   65.096783] 8<--- cut here ---

 1742 21:37:34.799201  # [   65.100183] Unable to handle kernel NULL pointer dereference at virtual address 00000000

 1743 21:37:34.799264  # [   65.108576] pgd = cd69732b

 1744 21:37:34.799324  # [   65.111624] [00000000] *pgd=00000000

 1745 21:37:34.799382  # [   65.115500] Internal error: Oops: 805 [#2] SMP ARM

 1746 21:37:34.842956  # [   65.120574] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3

 1747 21:37:34.843147  # [   65.149889] CPU: 2 PID: 841 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 1748 21:37:34.843220  # [   65.157816] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 1749 21:37:34.843283  # [   65.164625] PC is at lkdtm_EXCEPTION+0x18/0x20

 1750 21:37:34.843344  # [   65.169342] LR is at lkdtm_do_action+0x2c/0x4c

 1751 21:37:34.843403  # [   65.174055] pc : [<c0c58b24>]    lr : [<c0c584e8>]    psr: a00e0013

 1752 21:37:34.886962  # [   65.180591] sp : c6d87e58  ip : c6d87e68  fp : c6d87e64

 1753 21:37:34.887176  # [   65.186085] r10: 0000000a  r9 : c1ad5c1c  r8 : c15ebd54

 1754 21:37:34.887285  # [   65.191578] r7 : c6d87f60  r6 : 0000000a  r5 : c6a7a000  r4 : 00000004

 1755 21:37:34.887387  # [   65.198374] r3 : 00000000  r2 : a304bbe5  r1 : ef7ab5e0  r0 : c15ebd74

 1756 21:37:34.887485  # [   65.205171] Flags: NzCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 1757 21:37:34.887582  # [   65.212575] Control: 10c5387d  Table: 16a2404a  DAC: 00000051

 1758 21:37:34.887675  # [   65.218595] Process cat (pid: 841, stack limit = 0x7b334bf5)

 1759 21:37:34.931178  # [   65.224524] Stack: (0xc6d87e58 to 0xc6d88000)

 1760 21:37:34.931346  # [   65.229152] 7e40:                                                       c6d87e74 c6d87e68

 1761 21:37:34.931426  # [   65.237605] 7e60: c0c584e8 c0c58b18 c6d87e9c c6d87e78 c0c589e8 c0c584c8 c0c588c8 c68d7b80

 1762 21:37:34.931498  # [   65.246055] 7e80: b6de8000 0000000a c517a780 c6d87f60 c6d87ec4 c6d87ea0 c07e211c c0c588d4

 1763 21:37:34.931567  # [   65.254505] 7ea0: 00000000 c68d7b80 b6de8000 c290d000 c6d87f60 c07e20b8 c6d87f5c c6d87ec8

 1764 21:37:34.975067  # [   65.262957] 7ec0: c059bdac c07e20c4 00000001 00000000 c059c358 c41210e4 c059c358 c6d86000

 1765 21:37:34.975409  # [   65.271406] 7ee0: b6de8000 00020000 00000004 0000000a 0001fff6 c6d87ee0 00000001 00000805

 1766 21:37:34.975653  # [   65.279855] 7f00: c4237680 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 1767 21:37:34.975838  # [   65.288305] 7f20: 00000000 00000000 c6d86000 a304bbe5 b6de7000 c68d7b80 c68d7b80 c6d86000

 1768 21:37:34.976013  # [   65.296754] 7f40: b6de8000 00000000 00000000 00000004 c6d87f94 c6d87f60 c059c358 c059bcac

 1769 21:37:35.019255  # [   65.305204] 7f60: 00000000 00000000 c6d87fac a304bbe5 0000000a 0000000a b6f2fe00 00000004

 1770 21:37:35.019850  # [   65.313654] 7f80: c03002e4 c6d86000 c6d87fa4 c6d87f98 c059c3e8 c059c2f0 00000000 c6d87fa8

 1771 21:37:35.020320  # [   65.322103] 7fa0: c03000c0 c059c3dc 0000000a 0000000a 00000001 b6de8000 0000000a 00000000

 1772 21:37:35.020713  # [   65.330554] 7fc0: 0000000a 0000000a b6f2fe00 00000004 00000001 00000000 00020000 bec51ac4

 1773 21:37:35.021092  # [   65.339002] 7fe0: 00000004 bec517f8 b6e99d8f b6e207e6 800e0030 00000001 00000000 00000000

 1774 21:37:35.021506  # [   65.347446] Backtrace: 

 1775 21:37:35.063209  # [   65.350176] [<c0c58b0c>] (lkdtm_EXCEPTION) from [<c0c584e8>] (lkdtm_do_action+0x2c/0x4c)

 1776 21:37:35.063810  # [   65.358543] [<c0c584bc>] (lkdtm_do_action) from [<c0c589e8>] (direct_entry+0x120/0x18c)

 1777 21:37:35.064198  # [   65.366830] [<c0c588c8>] (direct_entry) from [<c07e211c>] (full_proxy_write+0x64/0x94)

 1778 21:37:35.064549  # [   65.375024]  r9:c6d87f60 r8:c517a780 r7:0000000a r6:b6de8000 r5:c68d7b80 r4:c0c588c8

 1779 21:37:35.064929  # [   65.383050] [<c07e20b8>] (full_proxy_write) from [<c059bdac>] (vfs_write+0x10c/0x53c)

 1780 21:37:35.065289  # [   65.391154]  r9:c07e20b8 r8:c6d87f60 r7:c290d000 r6:b6de8000 r5:c68d7b80 r4:00000000

 1781 21:37:35.111423  # [   65.399175] [<c059bca0>] (vfs_write) from [<c059c358>] (ksys_write+0x74/0xec)

 1782 21:37:35.111991  # [   65.406585]  r10:00000004 r9:00000000 r8:00000000 r7:b6de8000 r6:c6d86000 r5:c68d7b80

 1783 21:37:35.112372  # [   65.414682]  r4:c68d7b80

 1784 21:37:35.112721  # [   65.417491] [<c059c2e4>] (ksys_write) from [<c059c3e8>] (sys_write+0x18/0x1c)

 1785 21:37:35.113059  # [   65.424898]  r9:c6d86000 r8:c03002e4 r7:00000004 r6:b6f2fe00 r5:0000000a r4:0000000a

 1786 21:37:35.113389  # [   65.432919] [<c059c3d0>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 1787 21:37:35.159065  # [   65.440757] Exception stack(0xc6d87fa8 to 0xc6d87ff0)

 1788 21:37:35.159243  # [   65.446080] 7fa0:                   0000000a 0000000a 00000001 b6de8000 0000000a 00000000

 1789 21:37:35.159333  # [   65.454531] 7fc0: 0000000a 0000000a b6f2fe00 00000004 00000001 00000000 00020000 bec51ac4

 1790 21:37:35.159415  # [   65.462979] 7fe0: 00000004 bec517f8 b6e99d8f b6e207e6

 1791 21:37:35.159491  # [   65.468303] Code: e24cb004 e52de004 e8bd4000 e3a03000 (e5833000) 

 1792 21:37:35.159567  # [   65.474769] ---[ end trace c25e2e226ccb7028 ]---

 1793 21:37:35.159641  # EXCEPTION: missing 'call trace:': [FAIL]

 1794 21:37:35.159715  not ok 5 selftests: lkdtm: EXCEPTION.sh # exit=1

 1795 21:37:35.203325  # selftests: lkdtm: LOOP.sh

 1796 21:37:35.203883  # Skipping LOOP: Hangs the system

 1797 21:37:35.204306  ok 6 selftests: lkdtm: LOOP.sh # SKIP

 1798 21:37:35.204658  # selftests: lkdtm: EXHAUST_STACK.sh

 1799 21:37:35.314177  # Skipping EXHAUST_STACK: Corrupts memory on failure

 1800 21:37:35.330577  ok 7 selftests: lkdtm: EXHAUST_STACK.sh # SKIP

 1801 21:37:35.362226  # selftests: lkdtm: CORRUPT_STACK.sh

 1802 21:37:35.552074  # Skipping CORRUPT_STACK: Crashes entire system on success

 1803 21:37:35.552672  ok 8 selftests: lkdtm: CORRUPT_STACK.sh # SKIP

 1804 21:37:35.568392  # selftests: lkdtm: CORRUPT_STACK_STRONG.sh

 1805 21:37:35.769931  # Skipping CORRUPT_STACK_STRONG: Crashes entire system on success

 1806 21:37:35.770532  ok 9 selftests: lkdtm: CORRUPT_STACK_STRONG.sh # SKIP

 1807 21:37:35.802275  # selftests: lkdtm: CORRUPT_LIST_ADD.sh

 1808 21:37:36.094683  <6>[   66.867809] lkdtm: Performing direct entry CORRUPT_LIST_ADD

 1809 21:37:36.095291  <6>[   66.873822] lkdtm: attempting good list addition

 1810 21:37:36.095671  <6>[   66.878738] lkdtm: attempting corrupted list addition

 1811 21:37:36.096026  <3>[   66.884122] lkdtm: list_add() corruption not detected!

 1812 21:37:36.188735  # [   66.867809] lkdtm: Performing direct entry CORRUPT_LIST_ADD

 1813 21:37:36.189295  # [   66.873822] lkdtm: attempting good list addition

 1814 21:37:36.189670  # [   66.878738] lkdtm: attempting corrupted list addition

 1815 21:37:36.190018  # [   66.884122] lkdtm: list_add() corruption not detected!

 1816 21:37:36.190351  # CORRUPT_LIST_ADD: missing 'list_add corruption': [FAIL]

 1817 21:37:36.204728  not ok 10 selftests: lkdtm: CORRUPT_LIST_ADD.sh # exit=1

 1818 21:37:36.236512  # selftests: lkdtm: CORRUPT_LIST_DEL.sh

 1819 21:37:36.524416  <6>[   67.296257] lkdtm: Performing direct entry CORRUPT_LIST_DEL

 1820 21:37:36.524979  <6>[   67.302164] lkdtm: attempting good list removal

 1821 21:37:36.525357  <6>[   67.306970] lkdtm: attempting corrupted list removal

 1822 21:37:36.525711  <3>[   67.312251] lkdtm: list_del() corruption not detected!

 1823 21:37:36.605390  # [   67.296257] lkdtm: Performing direct entry CORRUPT_LIST_DEL

 1824 21:37:36.605953  # [   67.302164] lkdtm: attempting good list removal

 1825 21:37:36.606328  # [   67.306970] lkdtm: attempting corrupted list removal

 1826 21:37:36.606672  # [   67.312251] lkdtm: list_del() corruption not detected!

 1827 21:37:36.621197  # CORRUPT_LIST_DEL: missing 'list_del corruption': [FAIL]

 1828 21:37:36.669163  not ok 11 selftests: lkdtm: CORRUPT_LIST_DEL.sh # exit=1

 1829 21:37:36.701365  # selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh

 1830 21:37:36.962114  <6>[   67.735836] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING

 1831 21:37:36.962679  <6>[   67.742471] lkdtm: attempting bad read from page below current stack

 1832 21:37:36.963186  <3>[   67.749102] lkdtm: FAIL: accessed page before stack! (byte: 0)

 1833 21:37:37.042201  # [   67.735836] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING

 1834 21:37:37.042763  # [   67.742471] lkdtm: attempting bad read from page below current stack

 1835 21:37:37.043219  # [   67.749102] lkdtm: FAIL: accessed page before stack! (byte: 0)

 1836 21:37:37.057428  # STACK_GUARD_PAGE_LEADING: missing 'call trace:': [FAIL]

 1837 21:37:37.089608  not ok 12 selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh # exit=1

 1838 21:37:37.105650  # selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh

 1839 21:37:37.372104  <6>[   68.147605] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING

 1840 21:37:37.372291  <6>[   68.154342] lkdtm: attempting bad read from page above current stack

 1841 21:37:37.372363  <3>[   68.161054] lkdtm: FAIL: accessed page after stack! (byte: 0)

 1842 21:37:37.459885  # [   68.147605] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING

 1843 21:37:37.460443  # [   68.154342] lkdtm: attempting bad read from page above current stack

 1844 21:37:37.460821  # [   68.161054] lkdtm: FAIL: accessed page after stack! (byte: 0)

 1845 21:37:37.475515  # STACK_GUARD_PAGE_TRAILING: missing 'call trace:': [FAIL]

 1846 21:37:37.518832  not ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # exit=1

 1847 21:37:37.534710  # selftests: lkdtm: UNSET_SMEP.sh

 1848 21:37:37.817427  <6>[   68.601775] lkdtm: Performing direct entry UNSET_SMEP

 1849 21:37:37.818029  <3>[   68.607115] lkdtm: XFAIL: this test is x86_64-only

 1850 21:37:37.889239  # [   68.601775] lkdtm: Performing direct entry UNSET_SMEP

 1851 21:37:37.889839  # [   68.607115] lkdtm: XFAIL: this test is x86_64-only

 1852 21:37:37.905651  # UNSET_SMEP: saw 'XFAIL': [SKIP]

 1853 21:37:37.937593  ok 14 selftests: lkdtm: UNSET_SMEP.sh # SKIP

 1854 21:37:37.969303  # selftests: lkdtm: DOUBLE_FAULT.sh

 1855 21:37:38.214223  <6>[   68.996429] lkdtm: Performing direct entry DOUBLE_FAULT

 1856 21:37:38.214873  <3>[   69.002026] lkdtm: XFAIL: this test is ia32-only

 1857 21:37:38.285010  # [   68.996429] lkdtm: Performing direct entry DOUBLE_FAULT

 1858 21:37:38.285569  # [   69.002026] lkdtm: XFAIL: this test is ia32-only

 1859 21:37:38.316840  # DOUBLE_FAULT: saw 'XFAIL': [SKIP]

 1860 21:37:38.348874  ok 15 selftests: lkdtm: DOUBLE_FAULT.sh # SKIP

 1861 21:37:38.381124  # selftests: lkdtm: CORRUPT_PAC.sh

 1862 21:37:38.629213  <6>[   69.414794] lkdtm: Performing direct entry CORRUPT_PAC

 1863 21:37:38.629407  <3>[   69.420286] lkdtm: XFAIL: this test is arm64-only

 1864 21:37:38.708791  # [   69.414794] lkdtm: Performing direct entry CORRUPT_PAC

 1865 21:37:38.709349  # [   69.420286] lkdtm: XFAIL: this test is arm64-only

 1866 21:37:38.740922  # CORRUPT_PAC: saw 'XFAIL': [SKIP]

 1867 21:37:38.772878  ok 16 selftests: lkdtm: CORRUPT_PAC.sh # SKIP

 1868 21:37:38.844807  # selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh

 1869 21:37:38.845435  <4>[   69.605688] panel-simple panel-lcd: supply power not found, using dummy regulator

 1870 21:37:38.845820  <4>[   69.614668] panel-simple panel-lcd: Specify missing connector_type

 1871 21:37:38.846171  <4>[   69.630959] panel-simple panel-lvds0: supply power not found, using dummy regulator

 1872 21:37:38.915163  <6>[   69.674155] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops [imxdrm])

 1873 21:37:38.915800  <6>[   69.683011] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops [imxdrm])

 1874 21:37:38.916182  <6>[   69.691859] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops [imxdrm])

 1875 21:37:38.916526  <6>[   69.700611] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops [imxdrm])

 1876 21:37:38.916855  <6>[   69.711330] platform panel-lcd: deferred probe pending

 1877 21:37:38.947522  <6>[   69.716773] platform panel-lvds0: deferred probe pending

 1878 21:37:38.948080  <6>[   69.722462] platform backlight-lcd: deferred probe pending

 1879 21:37:38.948450  <6>[   69.728233] platform backlight-lvds: deferred probe pending

 1880 21:37:38.948793  <6>[   69.734152] platform 120000.hdmi: deferred probe pending

 1881 21:37:39.096435  <6>[   69.877831] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE

 1882 21:37:39.097100  <3>[   69.884654] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS

 1883 21:37:39.193562  # [   69.877831] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE

 1884 21:37:39.194122  # [   69.884654] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS

 1885 21:37:39.225437  # UNALIGNED_LOAD_STORE_WRITE: saw 'XFAIL': [SKIP]

 1886 21:37:39.252701  ok 17 selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh # SKIP

 1887 21:37:39.268475  # selftests: lkdtm: OVERWRITE_ALLOCATION.sh

 1888 21:37:39.460556  # Skipping OVERWRITE_ALLOCATION: Corrupts memory on failure

 1889 21:37:39.461296  ok 18 selftests: lkdtm: OVERWRITE_ALLOCATION.sh # SKIP

 1890 21:37:39.492457  # selftests: lkdtm: WRITE_AFTER_FREE.sh

 1891 21:37:39.700154  # Skipping WRITE_AFTER_FREE: Corrupts memory on failure

 1892 21:37:39.700726  ok 19 selftests: lkdtm: WRITE_AFTER_FREE.sh # SKIP

 1893 21:37:39.732244  # selftests: lkdtm: READ_AFTER_FREE.sh

 1894 21:37:39.988004  <6>[   70.757812] lkdtm: Performing direct entry READ_AFTER_FREE

 1895 21:37:39.988562  <6>[   70.763687] lkdtm: Value in memory before free: 12345678

 1896 21:37:39.988994  <6>[   70.769275] lkdtm: Attempting bad read from freed memory

 1897 21:37:39.989380  <6>[   70.774902] lkdtm: Memory was not poisoned

 1898 21:37:40.068119  # [   70.757812] lkdtm: Performing direct entry READ_AFTER_FREE

 1899 21:37:40.068676  # [   70.763687] lkdtm: Value in memory before free: 12345678

 1900 21:37:40.069048  # [   70.769275] lkdtm: Attempting bad read from freed memory

 1901 21:37:40.069395  # [   70.774902] lkdtm: Memory was not poisoned

 1902 21:37:40.083806  # READ_AFTER_FREE: missing 'call trace:': [FAIL]

 1903 21:37:40.115796  not ok 20 selftests: lkdtm: READ_AFTER_FREE.sh # exit=1

 1904 21:37:40.147761  # selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh

 1905 21:37:40.349501  # Skipping WRITE_BUDDY_AFTER_FREE: Corrupts memory on failure

 1906 21:37:40.350089  ok 21 selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # SKIP

 1907 21:37:40.365669  # selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh

 1908 21:37:40.631479  <6>[   71.399506] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE

 1909 21:37:40.632040  <6>[   71.405877] lkdtm: Value in memory before free: 12345678

 1910 21:37:40.632419  <6>[   71.411525] lkdtm: Attempting to read from freed memory

 1911 21:37:40.632769  <6>[   71.417026] lkdtm: Buddy page was not poisoned

 1912 21:37:40.719153  # [   71.399506] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE

 1913 21:37:40.719722  # [   71.405877] lkdtm: Value in memory before free: 12345678

 1914 21:37:40.720102  # [   71.411525] lkdtm: Attempting to read from freed memory

 1915 21:37:40.720484  # [   71.417026] lkdtm: Buddy page was not poisoned

 1916 21:37:40.735484  # READ_BUDDY_AFTER_FREE: missing 'call trace:': [FAIL]

 1917 21:37:40.774457  not ok 22 selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh # exit=1

 1918 21:37:40.790473  # selftests: lkdtm: SLAB_FREE_DOUBLE.sh

 1919 21:37:41.047979  <6>[   71.826957] lkdtm: Performing direct entry SLAB_FREE_DOUBLE

 1920 21:37:41.048576  <6>[   71.832959] lkdtm: Attempting double slab free ...

 1921 21:37:41.118885  # [   71.826957] lkdtm: Performing direct entry SLAB_FREE_DOUBLE

 1922 21:37:41.119439  # [   71.832959] lkdtm: Attempting double slab free ...

 1923 21:37:41.150951  # SLAB_FREE_DOUBLE: missing 'call trace:': [FAIL]

 1924 21:37:41.167026  not ok 23 selftests: lkdtm: SLAB_FREE_DOUBLE.sh # exit=1

 1925 21:37:41.198841  # selftests: lkdtm: SLAB_FREE_CROSS.sh

 1926 21:37:41.460144  <6>[   72.243607] lkdtm: Performing direct entry SLAB_FREE_CROSS

 1927 21:37:41.460766  <6>[   72.249427] lkdtm: Attempting cross-cache slab free ...

 1928 21:37:41.541587  # [   72.243607] lkdtm: Performing direct entry SLAB_FREE_CROSS

 1929 21:37:41.542170  # [   72.249427] lkdtm: Attempting cross-cache slab free ...

 1930 21:37:41.557610  # SLAB_FREE_CROSS: missing 'call trace:': [FAIL]

 1931 21:37:41.589579  not ok 24 selftests: lkdtm: SLAB_FREE_CROSS.sh # exit=1

 1932 21:37:41.621961  # selftests: lkdtm: SLAB_FREE_PAGE.sh

 1933 21:37:41.876557  <6>[   72.655327] lkdtm: Performing direct entry SLAB_FREE_PAGE

 1934 21:37:41.877401  <6>[   72.661151] lkdtm: Attempting non-Slab slab free ...

 1935 21:37:41.961335  # [   72.655327] lkdtm: Performing direct entry SLAB_FREE_PAGE

 1936 21:37:41.961899  # [   72.661151] lkdtm: Attempting non-Slab slab free ...

 1937 21:37:41.993208  # SLAB_FREE_PAGE: missing 'call trace:': [FAIL]

 1938 21:37:42.025324  not ok 25 selftests: lkdtm: SLAB_FREE_PAGE.sh # exit=1

 1939 21:37:42.057106  # selftests: lkdtm: SOFTLOCKUP.sh

 1940 21:37:42.249142  # Skipping SOFTLOCKUP: Hangs the system

 1941 21:37:42.265118  ok 26 selftests: lkdtm: SOFTLOCKUP.sh # SKIP

 1942 21:37:42.281103  # selftests: lkdtm: HARDLOCKUP.sh

 1943 21:37:42.473265  # Skipping HARDLOCKUP: Hangs the system

 1944 21:37:42.489246  ok 27 selftests: lkdtm: HARDLOCKUP.sh # SKIP

 1945 21:37:42.504799  # selftests: lkdtm: SPINLOCKUP.sh

 1946 21:37:42.696961  # Skipping SPINLOCKUP: Hangs the system

 1947 21:37:42.713125  ok 28 selftests: lkdtm: SPINLOCKUP.sh # SKIP

 1948 21:37:42.745283  # selftests: lkdtm: HUNG_TASK.sh

 1949 21:37:42.920871  # Skipping HUNG_TASK: Hangs the system

 1950 21:37:42.936829  ok 29 selftests: lkdtm: HUNG_TASK.sh # SKIP

 1951 21:37:42.953226  # selftests: lkdtm: EXEC_DATA.sh

 1952 21:37:43.236451  <6>[   73.995190] lkdtm: Performing direct entry EXEC_DATA

 1953 21:37:43.237018  <6>[   74.000513] lkdtm: attempting ok execution at c0c59258

 1954 21:37:43.237397  <6>[   74.005929] lkdtm: attempting bad execution at c27069e4

 1955 21:37:43.237744  <1>[   74.011477] 8<--- cut here ---

 1956 21:37:43.238074  <1>[   74.014809] Unable to handle kernel paging request at virtual address c27069e4

 1957 21:37:43.238407  <1>[   74.022308] pgd = 14619243

 1958 21:37:43.238726  <1>[   74.025284] [c27069e4] *pgd=1261141e(bad)

 1959 21:37:43.239157  <0>[   74.029582] Internal error: Oops: 8000000d [#3] SMP ARM

 1960 21:37:43.279647  <4>[   74.035078] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3

 1961 21:37:43.280223  <4>[   74.064412] CPU: 3 PID: 1717 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 1962 21:37:43.280620  <4>[   74.072424] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 1963 21:37:43.280973  <4>[   74.079229] PC is at data_area+0x0/0x40

 1964 21:37:43.322895  <4>[   74.083343] LR is at execute_location+0xa4/0xb4

 1965 21:37:43.323455  <4>[   74.088144] pc : [<c27069e4>]    lr : [<c13cb9b4>]    psr: 600e0013

 1966 21:37:43.323835  <4>[   74.094680] sp : c6c13e38  ip : c6c13d40  fp : c6c13e54

 1967 21:37:43.324186  <4>[   74.100172] r10: 0000000a  r9 : c1ad5e00  r8 : c15ebd54

 1968 21:37:43.324524  <4>[   74.105665] r7 : c6c13f60  r6 : 00000001  r5 : c27069e4  r4 : c0c59258

 1969 21:37:43.324856  <4>[   74.112459] r3 : 4c389921  r2 : 4c389921  r1 : ef7c05e0  r0 : 0000002b

 1970 21:37:43.325178  <4>[   74.119256] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 1971 21:37:43.366143  <4>[   74.126659] Control: 10c5387d  Table: 1684804a  DAC: 00000051

 1972 21:37:43.366703  <0>[   74.132675] Process cat (pid: 1717, stack limit = 0xf04f009c)

 1973 21:37:43.367190  <0>[   74.138690] Stack: (0xc6c13e38 to 0xc6c14000)

 1974 21:37:43.367553  <0>[   74.143320] 3e20:                                                       0000001f c6b24000

 1975 21:37:43.367893  <0>[   74.151771] 3e40: 0000000a c6c13f60 c6c13e64 c6c13e58 c13cbb20 c13cb91c c6c13e74 c6c13e68

 1976 21:37:43.368225  <0>[   74.160222] 3e60: c0c584e8 c13cbb08 c6c13e9c c6c13e78 c0c589e8 c0c584c8 c0c588c8 c4232c80

 1977 21:37:43.409291  <0>[   74.168672] 3e80: b6e97000 0000000a c517a780 c6c13f60 c6c13ec4 c6c13ea0 c07e211c c0c588d4

 1978 21:37:43.409847  <0>[   74.177122] 3ea0: 00000000 c4232c80 b6e97000 c290d000 c6c13f60 c07e20b8 c6c13f5c c6c13ec8

 1979 21:37:43.410226  <0>[   74.185573] 3ec0: c059bdac c07e20c4 00000001 00000000 c059c358 c13e0f18 c059c358 c6c12000

 1980 21:37:43.410577  <0>[   74.194023] 3ee0: b6e97000 00020000 00000004 0000000a 0001fff6 c6c13ee0 00000001 b6e96000

 1981 21:37:43.410991  <0>[   74.202474] 3f00: c5c2fe00 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 1982 21:37:43.452508  <0>[   74.210925] 3f20: 00000000 00000000 c13e0f18 4c389921 c206c0e0 c4232c80 c4232c80 c6c12000

 1983 21:37:43.453068  <0>[   74.219375] 3f40: b6e97000 00000000 00000000 00000004 c6c13f94 c6c13f60 c059c358 c059bcac

 1984 21:37:43.453449  <0>[   74.227825] 3f60: 00000000 00000000 c6c13fac 4c389921 0000000a 0000000a b6fdee00 00000004

 1985 21:37:43.453802  <0>[   74.236275] 3f80: c03002e4 c6c12000 c6c13fa4 c6c13f98 c059c3e8 c059c2f0 00000000 c6c13fa8

 1986 21:37:43.454140  <0>[   74.244723] 3fa0: c03000c0 c059c3dc 0000000a 0000000a 00000001 b6e97000 0000000a 00000000

 1987 21:37:43.495931  <0>[   74.253173] 3fc0: 0000000a 0000000a b6fdee00 00000004 00000001 00000000 00020000 bebecac4

 1988 21:37:43.496492  <0>[   74.261621] 3fe0: 00000004 bebec7f8 b6f48d8f b6ecf7e6 800e0030 00000001 00000000 00000000

 1989 21:37:43.496875  <0>[   74.270064] Backtrace: 

 1990 21:37:43.497225  <0>[   74.272798] [<c13cb910>] (execute_location) from [<c13cbb20>] (lkdtm_EXEC_DATA+0x24/0x28)

 1991 21:37:43.497568  <0>[   74.281249]  r7:c6c13f60 r6:0000000a r5:c6b24000 r4:0000001f

 1992 21:37:43.497900  <0>[   74.287189] [<c13cbafc>] (lkdtm_EXEC_DATA) from [<c0c584e8>] (lkdtm_do_action+0x2c/0x4c)

 1993 21:37:43.539033  <0>[   74.295554] [<c0c584bc>] (lkdtm_do_action) from [<c0c589e8>] (direct_entry+0x120/0x18c)

 1994 21:37:43.539595  <0>[   74.303839] [<c0c588c8>] (direct_entry) from [<c07e211c>] (full_proxy_write+0x64/0x94)

 1995 21:37:43.539974  <0>[   74.312032]  r9:c6c13f60 r8:c517a780 r7:0000000a r6:b6e97000 r5:c4232c80 r4:c0c588c8

 1996 21:37:43.540327  <0>[   74.320059] [<c07e20b8>] (full_proxy_write) from [<c059bdac>] (vfs_write+0x10c/0x53c)

 1997 21:37:43.540664  <0>[   74.328165]  r9:c07e20b8 r8:c6c13f60 r7:c290d000 r6:b6e97000 r5:c4232c80 r4:00000000

 1998 21:37:43.540993  <0>[   74.336182] [<c059bca0>] (vfs_write) from [<c059c358>] (ksys_write+0x74/0xec)

 1999 21:37:43.582171  <0>[   74.343591]  r10:00000004 r9:00000000 r8:00000000 r7:b6e97000 r6:c6c12000 r5:c4232c80

 2000 21:37:43.582731  <0>[   74.351688]  r4:c4232c80

 2001 21:37:43.583154  <0>[   74.354497] [<c059c2e4>] (ksys_write) from [<c059c3e8>] (sys_write+0x18/0x1c)

 2002 21:37:43.583547  <0>[   74.361905]  r9:c6c12000 r8:c03002e4 r7:00000004 r6:b6fdee00 r5:0000000a r4:0000000a

 2003 21:37:43.583896  <0>[   74.369926] [<c059c3d0>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 2004 21:37:43.584229  <0>[   74.377762] Exception stack(0xc6c13fa8 to 0xc6c13ff0)

 2005 21:37:43.624039  <0>[   74.383087] 3fa0:                   0000000a 0000000a 00000001 b6e97000 0000000a 00000000

 2006 21:37:43.624661  <0>[   74.391536] 3fc0: 0000000a 0000000a b6fdee00 00000004 00000001 00000000 00020000 bebecac4

 2007 21:37:43.625087  <0>[   74.399982] 3fe0: 00000004 bebec7f8 b6f48d8f b6ecf7e6

 2008 21:37:43.625461  <0>[   74.405305] Code: 00000000 c2b1a9c0 c2b1aa80 c2b1ab40 (e1a0c00d) 

 2009 21:37:43.625866  <4>[   74.411675] ---[ end trace c25e2e226ccb7029 ]---

 2010 21:37:43.626218  # Segmentation fault

 2011 21:37:43.786178  # [   73.995190] lkdtm: Performing direct entry EXEC_DATA

 2012 21:37:43.786303  # [   74.000513] lkdtm: attempting ok execution at c0c59258

 2013 21:37:43.786376  # [   74.005929] lkdtm: attempting bad execution at c27069e4

 2014 21:37:43.786443  # [   74.011477] 8<--- cut here ---

 2015 21:37:43.786506  # [   74.014809] Unable to handle kernel paging request at virtual address c27069e4

 2016 21:37:43.786572  # [   74.022308] pgd = 14619243

 2017 21:37:43.786636  # [   74.025284] [c27069e4] *pgd=1261141e(bad)

 2018 21:37:43.786698  # [   74.029582] Internal error: Oops: 8000000d [#3] SMP ARM

 2019 21:37:43.829439  # [   74.035078] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3

 2020 21:37:43.829572  # [   74.064412] CPU: 3 PID: 1717 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 2021 21:37:43.829644  # [   74.072424] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 2022 21:37:43.872605  # [   74.079229] PC is at data_area+0x0/0x40

 2023 21:37:43.873113  # [   74.083343] LR is at execute_location+0xa4/0xb4

 2024 21:37:43.873496  # [   74.088144] pc : [<c27069e4>]    lr : [<c13cb9b4>]    psr: 600e0013

 2025 21:37:43.873835  # [   74.094680] sp : c6c13e38  ip : c6c13d40  fp : c6c13e54

 2026 21:37:43.874178  # [   74.100172] r10: 0000000a  r9 : c1ad5e00  r8 : c15ebd54

 2027 21:37:43.874497  # [   74.105665] r7 : c6c13f60  r6 : 00000001  r5 : c27069e4  r4 : c0c59258

 2028 21:37:43.874886  # [   74.112459] r3 : 4c389921  r2 : 4c389921  r1 : ef7c05e0  r0 : 0000002b

 2029 21:37:43.875218  # [   74.119256] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 2030 21:37:43.916132  # [   74.126659] Control: 10c5387d  Table: 1684804a  DAC: 00000051

 2031 21:37:43.916697  # [   74.132675] Process cat (pid: 1717, stack limit = 0xf04f009c)

 2032 21:37:43.917071  # [   74.138690] Stack: (0xc6c13e38 to 0xc6c14000)

 2033 21:37:43.917417  # [   74.143320] 3e20:                                                       0000001f c6b24000

 2034 21:37:43.917757  # [   74.151771] 3e40: 0000000a c6c13f60 c6c13e64 c6c13e58 c13cbb20 c13cb91c c6c13e74 c6c13e68

 2035 21:37:43.918082  # [   74.160222] 3e60: c0c584e8 c13cbb08 c6c13e9c c6c13e78 c0c589e8 c0c584c8 c0c588c8 c4232c80

 2036 21:37:43.958902  # [   74.168672] 3e80: b6e97000 0000000a c517a780 c6c13f60 c6c13ec4 c6c13ea0 c07e211c c0c588d4

 2037 21:37:43.959496  # [   74.177122] 3ea0: 00000000 c4232c80 b6e97000 c290d000 c6c13f60 c07e20b8 c6c13f5c c6c13ec8

 2038 21:37:43.959883  # [   74.185573] 3ec0: c059bdac c07e20c4 00000001 00000000 c059c358 c13e0f18 c059c358 c6c12000

 2039 21:37:43.960275  # [   74.194023] 3ee0: b6e97000 00020000 00000004 0000000a 0001fff6 c6c13ee0 00000001 b6e96000

 2040 21:37:43.960622  # [   74.202474] 3f00: c5c2fe00 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 2041 21:37:44.002144  # [   74.210925] 3f20: 00000000 00000000 c13e0f18 4c389921 c206c0e0 c4232c80 c4232c80 c6c12000

 2042 21:37:44.002744  # [   74.219375] 3f40: b6e97000 00000000 00000000 00000004 c6c13f94 c6c13f60 c059c358 c059bcac

 2043 21:37:44.003204  # [   74.227825] 3f60: 00000000 00000000 c6c13fac 4c389921 0000000a 0000000a b6fdee00 00000004

 2044 21:37:44.003565  # [   74.236275] 3f80: c03002e4 c6c12000 c6c13fa4 c6c13f98 c059c3e8 c059c2f0 00000000 c6c13fa8

 2045 21:37:44.003929  # [   74.244723] 3fa0: c03000c0 c059c3dc 0000000a 0000000a 00000001 b6e97000 0000000a 00000000

 2046 21:37:44.047217  # [   74.253173] 3fc0: 0000000a 0000000a b6fdee00 00000004 00000001 00000000 00020000 bebecac4

 2047 21:37:44.047814  # [   74.261621] 3fe0: 00000004 bebec7f8 b6f48d8f b6ecf7e6 800e0030 00000001 00000000 00000000

 2048 21:37:44.048188  # [   74.270064] Backtrace: 

 2049 21:37:44.048556  # [   74.272798] [<c13cb910>] (execute_location) from [<c13cbb20>] (lkdtm_EXEC_DATA+0x24/0x28)

 2050 21:37:44.048895  # [   74.281249]  r7:c6c13f60 r6:0000000a r5:c6b24000 r4:0000001f

 2051 21:37:44.049224  # [   74.287189] [<c13cbafc>] (lkdtm_EXEC_DATA) from [<c0c584e8>] (lkdtm_do_action+0x2c/0x4c)

 2052 21:37:44.091282  # [   74.295554] [<c0c584bc>] (lkdtm_do_action) from [<c0c589e8>] (direct_entry+0x120/0x18c)

 2053 21:37:44.091876  # [   74.303839] [<c0c588c8>] (direct_entry) from [<c07e211c>] (full_proxy_write+0x64/0x94)

 2054 21:37:44.092260  # [   74.312032]  r9:c6c13f60 r8:c517a780 r7:0000000a r6:b6e97000 r5:c4232c80 r4:c0c588c8

 2055 21:37:44.092613  # [   74.320059] [<c07e20b8>] (full_proxy_write) from [<c059bdac>] (vfs_write+0x10c/0x53c)

 2056 21:37:44.092950  # [   74.328165]  r9:c07e20b8 r8:c6c13f60 r7:c290d000 r6:b6e97000 r5:c4232c80 r4:00000000

 2057 21:37:44.093282  # [   74.336182] [<c059bca0>] (vfs_write) from [<c059c358>] (ksys_write+0x74/0xec)

 2058 21:37:44.139244  # [   74.343591]  r10:00000004 r9:00000000 r8:00000000 r7:b6e97000 r6:c6c12000 r5:c4232c80

 2059 21:37:44.139798  # [   74.351688]  r4:c4232c80

 2060 21:37:44.140172  # [   74.354497] [<c059c2e4>] (ksys_write) from [<c059c3e8>] (sys_write+0x18/0x1c)

 2061 21:37:44.140525  # [   74.361905]  r9:c6c12000 r8:c03002e4 r7:00000004 r6:b6fdee00 r5:0000000a r4:0000000a

 2062 21:37:44.140862  # [   74.369926] [<c059c3d0>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 2063 21:37:44.141192  # [   74.377762] Exception stack(0xc6c13fa8 to 0xc6c13ff0)

 2064 21:37:44.182908  # [   74.383087] 3fa0:                   0000000a 0000000a 00000001 b6e97000 0000000a 00000000

 2065 21:37:44.183065  # [   74.391536] 3fc0: 0000000a 0000000a b6fdee00 00000004 00000001 00000000 00020000 bebecac4

 2066 21:37:44.183132  # [   74.399982] 3fe0: 00000004 bebec7f8 b6f48d8f b6ecf7e6

 2067 21:37:44.183194  # [   74.405305] Code: 00000000 c2b1<6>[   74.954197] lkdtm: Performing direct entry EXEC_STACK

 2068 21:37:44.183256  a9c0 c2b1aa80 c2b1ab40 (e1a0c00d)<6>[   74.961136] lkdtm: attempting ok execution at c0c59258

 2069 21:37:44.183315   

 2070 21:37:44.183372  # [   74.411675] ---[ end< 6t>[   74.969335] lkdtm: attempting bad execution at c6a13e0c

 2071 21:37:44.183430  ace c25e2e226ccb7029 ]---

 2072 21:37:44.227367  # EXEC<1>[   74.977467] 8<--- cut here ---

 2073 21:37:44.227935  _DATA: missing 'ca<l1l> [t r a c74.983603] Unable to handle kernel paging request at virtual address c6a13e0c

 2074 21:37:44.228326  :': [FAIL]

 2075 21:37:44.228672  not< 1o>k[  3  07 4s.993256] pgd = 778b2330

 2076 21:37:44.229013  lftests: lkdtm: EXEC_DATA.sh # ex<1>[   74.998220] [c6a13e0c] *pgd=16a1141e(bad)

 2077 21:37:44.229346  it=1

 2078 21:37:44.229663  # selftests: lk<d0t>m[:   E75.005357] Internal error: Oops: 8000000d [#4] SMP ARM

 2079 21:37:44.229982  XEC_STACK.sh

 2080 21:37:44.271427  <4>[   75.013094] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3

 2081 21:37:44.272010  <4>[   75.043412] CPU: 2 PID: 1794 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 2082 21:37:44.272396  <4>[   75.051424] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 2083 21:37:44.272752  <4>[   75.058226] PC is at 0xc6a13e0c

 2084 21:37:44.319440  <4>[   75.061647] LR is at execute_location+0xa4/0xb4

 2085 21:37:44.320003  <4>[   75.066447] pc : [<c6a13e0c>]    lr : [<c13cb9b4>]    psr: 600e0013

 2086 21:37:44.320382  <4>[   75.072982] sp : c6a13de8  ip : c6a13cf0  fp : c6a13e04

 2087 21:37:44.320729  <4>[   75.078473] r10: 0000000b  r9 : c1ad5e0c  r8 : c15ebd54

 2088 21:37:44.321089  <4>[   75.083966] r7 : c6a13f60  r6 : 00000001  r5 : c6a13e0c  r4 : c0c59258

 2089 21:37:44.321456  <4>[   75.090761] r3 : 98138de3  r2 : 98138de3  r1 : ef7ab5e0  r0 : 0000002b

 2090 21:37:44.321780  <4>[   75.097559] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 2091 21:37:44.363440  <4>[   75.104965] Control: 10c5387d  Table: 16e8804a  DAC: 00000051

 2092 21:37:44.364041  <0>[   75.110981] Process cat (pid: 1794, stack limit = 0xbdf514ef)

 2093 21:37:44.364426  <0>[   75.116997] Stack: (0xc6a13de8 to 0xc6a14000)

 2094 21:37:44.364864  <0>[   75.121629] 3de0:                   c6a12000 c5ed6000 0000000b c6a13f60 c6a13e64 c6a13e08

 2095 21:37:44.365214  <0>[   75.130080] 3e00: c13cbb5c c13cb91c c6a13e6c e1a0c00d e92dd800 e24cb004 e52de004 e8bd4000

 2096 21:37:44.365550  <0>[   75.138532] 3e20: e89da800 e1a0c00d e92dd830 e24cb004 e52de004 e8bd4000 e3083370 e34c31b8

 2097 21:37:44.407437  <0>[   75.146981] 3e40: e3a02040 e3a01d33 e5930018 98138de3 0000000b 00000020 c6a13e74 c6a13e68

 2098 21:37:44.408005  <0>[   75.155430] 3e60: c0c584e8 c13cbb30 c6a13e9c c6a13e78 c0c589e8 c0c584c8 c0c588c8 c68d6280

 2099 21:37:44.408389  <0>[   75.163880] 3e80: b6e66000 0000000b c517a780 c6a13f60 c6a13ec4 c6a13ea0 c07e211c c0c588d4

 2100 21:37:44.408740  <0>[   75.172330] 3ea0: 00000000 c68d6280 b6e66000 c290d000 c6a13f60 c07e20b8 c6a13f5c c6a13ec8

 2101 21:37:44.409078  <0>[   75.180781] 3ec0: c059bdac c07e20c4 00000001 00000000 c059c358 c13e0f18 c059c358 c6a12000

 2102 21:37:44.451269  <0>[   75.189231] 3ee0: b6e66000 00020000 00000004 0000000b 0001fff5 c6a13ee0 00000001 b6e65000

 2103 21:37:44.451879  <0>[   75.197681] 3f00: c4101cc0 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 2104 21:37:44.452262  <0>[   75.206132] 3f20: 00000000 00000000 c13e0f18 98138de3 c206c0e0 c68d6280 c68d6280 c6a12000

 2105 21:37:44.452614  <0>[   75.214581] 3f40: b6e66000 00000000 00000000 00000004 c6a13f94 c6a13f60 c059c358 c059bcac

 2106 21:37:44.452953  <0>[   75.223029] 3f60: 00000000 00000000 c6a13fac 98138de3 0000000b 0000000b b6fade00 00000004

 2107 21:37:44.495523  <0>[   75.231480] 3f80: c03002e4 c6a12000 c6a13fa4 c6a13f98 c059c3e8 c059c2f0 00000000 c6a13fa8

 2108 21:37:44.496089  <0>[   75.239931] 3fa0: c03000c0 c059c3dc 0000000b 0000000b 00000001 b6e66000 0000000b 00000000

 2109 21:37:44.496472  <0>[   75.248381] 3fc0: 0000000b 0000000b b6fade00 00000004 00000001 00000000 00020000 bedb7ac4

 2110 21:37:44.496823  <0>[   75.256829] 3fe0: 00000004 bedb77f8 b6f17d8f b6e9e7e6 800e0030 00000001 00000000 00000000

 2111 21:37:44.497159  <0>[   75.265272] Backtrace: 

 2112 21:37:44.497490  <0>[   75.268006] [<c13cb910>] (execute_location) from [<c13cbb5c>] (lkdtm_EXEC_STACK+0x38/0x54)

 2113 21:37:44.497818  <0>[   75.276544]  r7:c6a13f60 r6:0000000b r5:c5ed6000 r4:c6a12000

 2114 21:37:44.539387  <0>[   75.282483] [<c13cbb24>] (lkdtm_EXEC_STACK) from [<c0c584e8>] (lkdtm_do_action+0x2c/0x4c)

 2115 21:37:44.539954  <0>[   75.290930]  r4:00000020

 2116 21:37:44.540336  <0>[   75.293738] [<c0c584bc>] (lkdtm_do_action) from [<c0c589e8>] (direct_entry+0x120/0x18c)

 2117 21:37:44.540687  <0>[   75.302025] [<c0c588c8>] (direct_entry) from [<c07e211c>] (full_proxy_write+0x64/0x94)

 2118 21:37:44.541019  <0>[   75.310214]  r9:c6a13f60 r8:c517a780 r7:0000000b r6:b6e66000 r5:c68d6280 r4:c0c588c8

 2119 21:37:44.583265  <0>[   75.318238] [<c07e20b8>] (full_proxy_write) from [<c059bdac>] (vfs_write+0x10c/0x53c)

 2120 21:37:44.583939  <0>[   75.326341]  r9:c07e20b8 r8:c6a13f60 r7:c290d000 r6:b6e66000 r5:c68d6280 r4:00000000

 2121 21:37:44.584326  <0>[   75.334359] [<c059bca0>] (vfs_write) from [<c059c358>] (ksys_write+0x74/0xec)

 2122 21:37:44.584681  <0>[   75.341767]  r10:00000004 r9:00000000 r8:00000000 r7:b6e66000 r6:c6a12000 r5:c68d6280

 2123 21:37:44.585019  <0>[   75.349863]  r4:c68d6280

 2124 21:37:44.585347  <0>[   75.352673] [<c059c2e4>] (ksys_write) from [<c059c3e8>] (sys_write+0x18/0x1c)

 2125 21:37:44.585668  <0>[   75.360081]  r9:c6a12000 r8:c03002e4 r7:00000004 r6:b6fade00 r5:0000000b r4:0000000b

 2126 21:37:44.630931  <0>[   75.368102] [<c059c3d0>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 2127 21:37:44.631091  <0>[   75.375939] Exception stack(0xc6a13fa8 to 0xc6a13ff0)

 2128 21:37:44.631164  <0>[   75.381262] 3fa0:                   0000000b 0000000b 00000001 b6e66000 0000000b 00000000

 2129 21:37:44.631226  <0>[   75.389712] 3fc0: 0000000b 0000000b b6fade00 00000004 00000001 00000000 00020000 bedb7ac4

 2130 21:37:44.631287  <0>[   75.398157] 3fe0: 00000004 bedb77f8 b6f17d8f b6e9e7e6

 2131 21:37:44.631345  <0>[   75.403482] Code: c6a13e08 c13cbb5c c13cb91c c6a13e6c (e1a0c00d) 

 2132 21:37:44.631403  <4>[   75.409851] ---[ end trace c25e2e226ccb702a ]---

 2133 21:37:44.631494  # Segmentation fault

 2134 21:37:44.784171  # [   74.954197] lkdtm: Performing direct entry EXEC_STACK

 2135 21:37:44.784330  # [   74.961136] lkdtm: attempting ok execution at c0c59258

 2136 21:37:44.784400  # [   74.969335] lkdtm: attempting bad execution at c6a13e0c

 2137 21:37:44.784463  # [   74.977467] 8<--- cut here ---

 2138 21:37:44.784524  # [   74.983603] Unable to handle kernel paging request at virtual address c6a13e0c

 2139 21:37:44.784584  # [   74.993256] pgd = 778b2330

 2140 21:37:44.784641  # [   74.998220] [c6a13e0c] *pgd=16a1141e(bad)

 2141 21:37:44.784697  # [   75.005357] Internal error: Oops: 8000000d [#4] SMP ARM

 2142 21:37:44.827189  # [   75.013094] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3

 2143 21:37:44.827394  # [   75.043412] CPU: 2 PID: 1794 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 2144 21:37:44.827495  # [   75.051424] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 2145 21:37:44.827588  # [   75.058226] PC is at 0xc6a13e0c

 2146 21:37:44.874989  # [   75.061647] LR is at execute_location+0xa4/0xb4

 2147 21:37:44.875076  # [   75.066447] pc : [<c6a13e0c>]    lr : [<c13cb9b4>]    psr: 600e0013

 2148 21:37:44.875143  # [   75.072982] sp : c6a13de8  ip : c6a13cf0  fp : c6a13e04

 2149 21:37:44.875211  # [   75.078473] r10: 0000000b  r9 : c1ad5e0c  r8 : c15ebd54

 2150 21:37:44.875273  # [   75.083966] r7 : c6a13f60  r6 : 00000001  r5 : c6a13e0c  r4 : c0c59258

 2151 21:37:44.875334  # [   75.090761] r3 : 98138de3  r2 : 98138de3  r1 : ef7ab5e0  r0 : 0000002b

 2152 21:37:44.875392  # [   75.097559] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 2153 21:37:44.919022  # [   75.104965] Control: 10c5387d  Table: 16e8804a  DAC: 00000051

 2154 21:37:44.919126  # [   75.110981] Process cat (pid: 1794, stack limit = 0xbdf514ef)

 2155 21:37:44.919208  # [   75.116997] Stack: (0xc6a13de8 to 0xc6a14000)

 2156 21:37:44.919285  # [   75.121629] 3de0:                   c6a12000 c5ed6000 0000000b c6a13f60 c6a13e64 c6a13e08

 2157 21:37:44.919359  # [   75.130080] 3e00: c13cbb5c c13cb91c c6a13e6c e1a0c00d e92dd800 e24cb004 e52de004 e8bd4000

 2158 21:37:44.919432  # [   75.138532] 3e20: e89da800 e1a0c00d e92dd830 e24cb004 e52de004 e8bd4000 e3083370 e34c31b8

 2159 21:37:44.963204  # [   75.146981] 3e40: e3a02040 e3a01d33 e5930018 98138de3 0000000b 00000020 c6a13e74 c6a13e68

 2160 21:37:44.963691  # [   75.155430] 3e60: c0c584e8 c13cbb30 c6a13e9c c6a13e78 c0c589e8 c0c584c8 c0c588c8 c68d6280

 2161 21:37:44.964055  # [   75.163880] 3e80: b6e66000 0000000b c517a780 c6a13f60 c6a13ec4 c6a13ea0 c07e211c c0c588d4

 2162 21:37:44.964348  # [   75.172330] 3ea0: 00000000 c68d6280 b6e66000 c290d000 c6a13f60 c07e20b8 c6a13f5c c6a13ec8

 2163 21:37:44.964625  # [   75.180781] 3ec0: c059bdac c07e20c4 00000001 00000000 c059c358 c13e0f18 c059c358 c6a12000

 2164 21:37:45.007284  # [   75.189231] 3ee0: b6e66000 00020000 00000004 0000000b 0001fff5 c6a13ee0 00000001 b6e65000

 2165 21:37:45.007849  # [   75.197681] 3f00: c4101cc0 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 2166 21:37:45.008229  # [   75.206132] 3f20: 00000000 00000000 c13e0f18 98138de3 c206c0e0 c68d6280 c68d6280 c6a12000

 2167 21:37:45.008576  # [   75.214581] 3f40: b6e66000 00000000 00000000 00000004 c6a13f94 c6a13f60 c059c358 c059bcac

 2168 21:37:45.008945  # [   75.223029] 3f60: 00000000 00000000 c6a13fac 98138de3 0000000b 0000000b b6fade00 00000004

 2169 21:37:45.051194  # [   75.231480] 3f80: c03002e4 c6a12000 c6a13fa4 c6a13f98 c059c3e8 c059c2f0 00000000 c6a13fa8

 2170 21:37:45.051752  # [   75.239931] 3fa0: c03000c0 c059c3dc 0000000b 0000000b 00000001 b6e66000 0000000b 00000000

 2171 21:37:45.052128  # [   75.248381] 3fc0: 0000000b 0000000b b6fade00 00000004 00000001 00000000 00020000 bedb7ac4

 2172 21:37:45.052551  # [   75.256829] 3fe0: 00000004 bedb77f8 b6f17d8f b6e9e7e6 800e0030 00000001 00000000 00000000

 2173 21:37:45.052903  # [   75.265272] Backtrace: 

 2174 21:37:45.053232  # [   75.268006] [<c13cb910>] (execute_location) from [<c13cbb5c>] (lkdtm_EXEC_STACK+0x38/0x54)

 2175 21:37:45.095200  # [   75.276544]  r7:c6a13f60 r6:0000000b r5:c5ed6000 r4:c6a12000

 2176 21:37:45.095761  # [   75.282483] [<c13cbb24>] (lkdtm_EXEC_STACK) from [<c0c584e8>] (lkdtm_do_action+0x2c/0x4c)

 2177 21:37:45.096279  # [   75.290930]  r4:00000020

 2178 21:37:45.096644  # [   75.293738] [<c0c584bc>] (lkdtm_do_action) from [<c0c589e8>] (direct_entry+0x120/0x18c)

 2179 21:37:45.097101  # [   75.302025] [<c0c588c8>] (direct_entry) from [<c07e211c>] (full_proxy_write+0x64/0x94)

 2180 21:37:45.097444  # [   75.310214]  r9:c6a13f60 r8:c517a780 r7:0000000b r6:b6e66000 r5:c68d6280 r4:c0c588c8

 2181 21:37:45.139305  # [   75.318238] [<c07e20b8>] (full_proxy_write) from [<c059bdac>] (vfs_write+0x10c/0x53c)

 2182 21:37:45.139873  # [   75.326341]  r9:c07e20b8 r8:c6a13f60 r7:c290d000 r6:b6e66000 r5:c68d6280 r4:00000000

 2183 21:37:45.140260  # [   75.334359] [<c059bca0>] (vfs_write) from [<c059c358>] (ksys_write+0x74/0xec)

 2184 21:37:45.140611  # [   75.341767]  r10:00000004 r9:00000000 r8:00000000 r7:b6e66000 r6:c6a12000 r5:c68d6280

 2185 21:37:45.140947  # [   75.349863]  r4:c68d6280

 2186 21:37:45.141273  # [   75.352673] [<c059c2e4>] (ksys_write) from [<c059c3e8>] (sys_write+0x18/0x1c)

 2187 21:37:45.141592  # [   75.360081]  r9:c6a12000 r8:c03002e4 r7:00000004 r6:b6fade00 r5:0000000b r4:0000000b

 2188 21:37:45.183416  # [   75.368102] [<c059c3d0>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 2189 21:37:45.183984  # [   75.375939] Exception stack(0xc6a13fa8 to 0xc6a13ff0)

 2190 21:37:45.184371  # [   75.381262] 3fa0:                   0000000b 0000000b 00000001 b6e66000 0000000b 00000000

 2191 21:37:45.184724  # [   75.389712] 3fc0: 0000000b 0000000b b6fade00 00000004 00000001 00000000 00020000 bedb7ac4

 2192 21:37:45.185062  # [   75.398157] 3fe0: 00000004 bedb77f8 b6f17d8f b6e9e7e6

 2193 21:37:45.227435  # [   75.403482] Code: c6a13e08 c13cbb5c c13cb91c<6>[   75.972285] lkdtm: Performing direct entry EXEC_KMALLOC

 2194 21:37:45.228004   c6a13e6c (e1a0c00d) 

 2195 21:37:45.228383  # [   7<56>[   75.978948] lkdtm: attempting ok execution at c0c59258

 2196 21:37:45.228732  409851] ---[ end trace c25e2e226c<6>[   75.987123] lkdtm: attempting bad execution at c6b24b00

 2197 21:37:45.229083  cb702a ]---

 2198 21:37:45.229409  # EXEC_STACK: missin<1>[   75.995446] 8<--- cut here ---

 2199 21:37:45.229730  g 'call trace:':< 1[>F[A I L ]7

 2200 21:37:45.230047  6.001562] Unable to handle kernel paging request at virtual address c6b24b00

 2201 21:37:45.230380  not ok 31 selfte<s1>t[s :   l7k6d011126] pgd = 06762178

 2202 21:37:45.230760  tm: EXEC_STACK.sh # exit=1

 2203 21:37:45.271377  # sel<1>[   76.016089] [c6b24b00] *pgd=16a1141e(bad)

 2204 21:37:45.271939  ftests: lkdtm: EXEC_<K0M>A[L  L O6.023224] Internal error: Oops: 8000000d [#5] SMP ARM

 2205 21:37:45.272346  C.sh

 2206 21:37:45.272695  <4>[   76.030876] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3

 2207 21:37:45.315287  <4>[   76.060496] CPU: 3 PID: 1874 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 2208 21:37:45.315862  <4>[   76.068508] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 2209 21:37:45.316265  <4>[   76.075308] PC is at 0xc6b24b00

 2210 21:37:45.316615  <4>[   76.078727] LR is at execute_location+0xa4/0xb4

 2211 21:37:45.316955  <4>[   76.083529] pc : [<c6b24b00>]    lr : [<c13cb9b4>]    psr: 600e0013

 2212 21:37:45.317294  <4>[   76.090065] sp : c6945e30  ip : c6945d38  fp : c6945e4c

 2213 21:37:45.317623  <4>[   76.095557] r10: 0000000d  r9 : c1ad5e18  r8 : c15ebd54

 2214 21:37:45.359419  <4>[   76.101051] r7 : c6945f60  r6 : 00000001  r5 : c6b24b00  r4 : c0c59258

 2215 21:37:45.359983  <4>[   76.107846] r3 : ea37dbfb  r2 : ea37dbfb  r1 : ef7c05e0  r0 : 0000002b

 2216 21:37:45.360364  <4>[   76.114644] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 2217 21:37:45.360718  <4>[   76.122047] Control: 10c5387d  Table: 1459804a  DAC: 00000051

 2218 21:37:45.361055  <0>[   76.128063] Process cat (pid: 1874, stack limit = 0x8eb789ee)

 2219 21:37:45.361385  <0>[   76.134079] Stack: (0xc6945e30 to 0xc6946000)

 2220 21:37:45.361707  <0>[   76.138710] 5e20:                                     c6b24b00 c6a7b000 0000000d c6945f60

 2221 21:37:45.403315  <0>[   76.147160] 5e40: c6945e64 c6945e50 c0c592a8 c13cb91c 00000021 c6a7b000 c6945e74 c6945e68

 2222 21:37:45.403879  <0>[   76.155610] 5e60: c0c584e8 c0c5927c c6945e9c c6945e78 c0c589e8 c0c584c8 c0c588c8 c412c780

 2223 21:37:45.404260  <0>[   76.164060] 5e80: b6e78000 0000000d c517a780 c6945f60 c6945ec4 c6945ea0 c07e211c c0c588d4

 2224 21:37:45.404612  <0>[   76.172510] 5ea0: 00000000 c412c780 b6e78000 c290d000 c6945f60 c07e20b8 c6945f5c c6945ec8

 2225 21:37:45.404947  <0>[   76.180960] 5ec0: c059bdac c07e20c4 00000001 00000000 c059c358 c13e0f18 c059c358 c6944000

 2226 21:37:45.451442  <0>[   76.189410] 5ee0: b6e78000 00020000 00000004 0000000d 0001fff3 c6945ee0 00000001 b6e77000

 2227 21:37:45.452003  <0>[   76.197858] 5f00: c68d7540 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 2228 21:37:45.452386  <0>[   76.206309] 5f20: 00000000 00000000 c13e0f18 ea37dbfb c206c0e0 c412c780 c412c780 c6944000

 2229 21:37:45.452737  <0>[   76.214758] 5f40: b6e78000 00000000 00000000 00000004 c6945f94 c6945f60 c059c358 c059bcac

 2230 21:37:45.453074  <0>[   76.223209] 5f60: 00000000 00000000 c6945fac ea37dbfb 0000000d 0000000d b6fbfe00 00000004

 2231 21:37:45.495242  <0>[   76.231658] 5f80: c03002e4 c6944000 c6945fa4 c6945f98 c059c3e8 c059c2f0 00000000 c6945fa8

 2232 21:37:45.495800  <0>[   76.240107] 5fa0: c03000c0 c059c3dc 0000000d 0000000d 00000001 b6e78000 0000000d 00000000

 2233 21:37:45.496176  <0>[   76.248556] 5fc0: 0000000d 0000000d b6fbfe00 00000004 00000001 00000000 00020000 bef63ac4

 2234 21:37:45.496528  <0>[   76.257005] 5fe0: 00000004 bef637f8 b6f29d8f b6eb07e6 800e0030 00000001 00000000 00000000

 2235 21:37:45.496862  <0>[   76.265447] Backtrace: 

 2236 21:37:45.497186  <0>[   76.268188] [<c13cb910>] (execute_location) from [<c0c592a8>] (lkdtm_EXEC_KMALLOC+0x38/0x44)

 2237 21:37:45.539244  <0>[   76.276899]  r7:c6945f60 r6:0000000d r5:c6a7b000 r4:c6b24b00

 2238 21:37:45.539803  <0>[   76.282835] [<c0c59270>] (lkdtm_EXEC_KMALLOC) from [<c0c584e8>] (lkdtm_do_action+0x2c/0x4c)

 2239 21:37:45.540186  <0>[   76.291456]  r5:c6a7b000 r4:00000021

 2240 21:37:45.540533  <0>[   76.295306] [<c0c584bc>] (lkdtm_do_action) from [<c0c589e8>] (direct_entry+0x120/0x18c)

 2241 21:37:45.540874  <0>[   76.303591] [<c0c588c8>] (direct_entry) from [<c07e211c>] (full_proxy_write+0x64/0x94)

 2242 21:37:45.541210  <0>[   76.311781]  r9:c6945f60 r8:c517a780 r7:0000000d r6:b6e78000 r5:c412c780 r4:c0c588c8

 2243 21:37:45.583392  <0>[   76.319807] [<c07e20b8>] (full_proxy_write) from [<c059bdac>] (vfs_write+0x10c/0x53c)

 2244 21:37:45.583952  <0>[   76.327910]  r9:c07e20b8 r8:c6945f60 r7:c290d000 r6:b6e78000 r5:c412c780 r4:00000000

 2245 21:37:45.584387  <0>[   76.335927] [<c059bca0>] (vfs_write) from [<c059c358>] (ksys_write+0x74/0xec)

 2246 21:37:45.584754  <0>[   76.343336]  r10:00000004 r9:00000000 r8:00000000 r7:b6e78000 r6:c6944000 r5:c412c780

 2247 21:37:45.585091  <0>[   76.351433]  r4:c412c780

 2248 21:37:45.585419  <0>[   76.354242] [<c059c2e4>] (ksys_write) from [<c059c3e8>] (sys_write+0x18/0x1c)

 2249 21:37:45.627017  <0>[   76.361649]  r9:c6944000 r8:c03002e4 r7:00000004 r6:b6fbfe00 r5:0000000d r4:0000000d

 2250 21:37:45.627175  <0>[   76.369670] [<c059c3d0>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 2251 21:37:45.627242  <0>[   76.377509] Exception stack(0xc6945fa8 to 0xc6945ff0)

 2252 21:37:45.627308  <0>[   76.382832] 5fa0:                   0000000d 0000000d 00000001 b6e78000 0000000d 00000000

 2253 21:37:45.627368  <0>[   76.391283] 5fc0: 0000000d 0000000d b6fbfe00 00000004 00000001 00000000 00020000 bef63ac4

 2254 21:37:45.627426  <0>[   76.399731] 5fe0: 00000004 bef637f8 b6f29d8f b6eb07e6

 2255 21:37:45.627482  <0>[   76.405056] Code: 00000000 00000002 00000000 00000000 (e1a0c00d) 

 2256 21:37:45.627538  <4>[   76.411424] ---[ end trace c25e2e226ccb702b ]---

 2257 21:37:45.627597  # Segmentation fault

 2258 21:37:45.763971  # [   75.972285] lkdtm: Performing direct entry EXEC_KMALLOC

 2259 21:37:45.764132  # [   75.978948] lkdtm: attempting ok execution at c0c59258

 2260 21:37:45.764200  # [   75.987123] lkdtm: attempting bad execution at c6b24b00

 2261 21:37:45.764262  # [   75.995446] 8<--- cut here ---

 2262 21:37:45.764322  # [   76.001562] Unable to handle kernel paging request at virtual address c6b24b00

 2263 21:37:45.764381  # [   76.011126] pgd = 06762178

 2264 21:37:45.764444  # [   76.016089] [c6b24b00] *pgd=16a1141e(bad)

 2265 21:37:45.764506  # [   76.023224] Internal error: Oops: 8000000d [#5] SMP ARM

 2266 21:37:45.806686  # [   76.030876] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3

 2267 21:37:45.806785  # [   76.060496] CPU: 3 PID: 1874 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 2268 21:37:45.806887  # [   76.068508] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 2269 21:37:45.806951  # [   76.075308] PC is at 0xc6b24b00

 2270 21:37:45.849823  # [   76.078727] LR is at execute_location+0xa4/0xb4

 2271 21:37:45.849911  # [   76.083529] pc : [<c6b24b00>]    lr : [<c13cb9b4>]    psr: 600e0013

 2272 21:37:45.849979  # [   76.090065] sp : c6945e30  ip : c6945d38  fp : c6945e4c

 2273 21:37:45.850041  # [   76.095557] r10: 0000000d  r9 : c1ad5e18  r8 : c15ebd54

 2274 21:37:45.850101  # [   76.101051] r7 : c6945f60  r6 : 00000001  r5 : c6b24b00  r4 : c0c59258

 2275 21:37:45.850159  # [   76.107846] r3 : ea37dbfb  r2 : ea37dbfb  r1 : ef7c05e0  r0 : 0000002b

 2276 21:37:45.850217  # [   76.114644] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 2277 21:37:45.893020  # [   76.122047] Control: 10c5387d  Table: 1459804a  DAC: 00000051

 2278 21:37:45.893104  # [   76.128063] Process cat (pid: 1874, stack limit = 0x8eb789ee)

 2279 21:37:45.893175  # [   76.134079] Stack: (0xc6945e30 to 0xc6946000)

 2280 21:37:45.893238  # [   76.138710] 5e20:                                     c6b24b00 c6a7b000 0000000d c6945f60

 2281 21:37:45.893299  # [   76.147160] 5e40: c6945e64 c6945e50 c0c592a8 c13cb91c 00000021 c6a7b000 c6945e74 c6945e68

 2282 21:37:45.893357  # [   76.155610] 5e60: c0c584e8 c0c5927c c6945e9c c6945e78 c0c589e8 c0c584c8 c0c588c8 c412c780

 2283 21:37:45.935736  # [   76.164060] 5e80: b6e78000 0000000d c517a780 c6945f60 c6945ec4 c6945ea0 c07e211c c0c588d4

 2284 21:37:45.935825  # [   76.172510] 5ea0: 00000000 c412c780 b6e78000 c290d000 c6945f60 c07e20b8 c6945f5c c6945ec8

 2285 21:37:45.935897  # [   76.180960] 5ec0: c059bdac c07e20c4 00000001 00000000 c059c358 c13e0f18 c059c358 c6944000

 2286 21:37:45.935961  # [   76.189410] 5ee0: b6e78000 00020000 00000004 0000000d 0001fff3 c6945ee0 00000001 b6e77000

 2287 21:37:45.936021  # [   76.197858] 5f00: c68d7540 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 2288 21:37:45.979447  # [   76.206309] 5f20: 00000000 00000000 c13e0f18 ea37dbfb c206c0e0 c412c780 c412c780 c6944000

 2289 21:37:45.980050  # [   76.214758] 5f40: b6e78000 00000000 00000000 00000004 c6945f94 c6945f60 c059c358 c059bcac

 2290 21:37:45.980466  # [   76.223209] 5f60: 00000000 00000000 c6945fac ea37dbfb 0000000d 0000000d b6fbfe00 00000004

 2291 21:37:45.980816  # [   76.231658] 5f80: c03002e4 c6944000 c6945fa4 c6945f98 c059c3e8 c059c2f0 00000000 c6945fa8

 2292 21:37:45.981219  # [   76.240107] 5fa0: c03000c0 c059c3dc 0000000d 0000000d 00000001 b6e78000 0000000d 00000000

 2293 21:37:45.981552  # [   76.248556] 5fc0: 0000000d 0000000d b6fbfe00 00000004 00000001 00000000 00020000 bef63ac4

 2294 21:37:46.023341  # [   76.257005] 5fe0: 00000004 bef637f8 b6f29d8f b6eb07e6 800e0030 00000001 00000000 00000000

 2295 21:37:46.023902  # [   76.265447] Backtrace: 

 2296 21:37:46.024279  # [   76.268188] [<c13cb910>] (execute_location) from [<c0c592a8>] (lkdtm_EXEC_KMALLOC+0x38/0x44)

 2297 21:37:46.024630  # [   76.276899]  r7:c6945f60 r6:0000000d r5:c6a7b000 r4:c6b24b00

 2298 21:37:46.024962  # [   76.282835] [<c0c59270>] (lkdtm_EXEC_KMALLOC) from [<c0c584e8>] (lkdtm_do_action+0x2c/0x4c)

 2299 21:37:46.025293  # [   76.291456]  r5:c6a7b000 r4:00000021

 2300 21:37:46.067193  # [   76.295306] [<c0c584bc>] (lkdtm_do_action) from [<c0c589e8>] (direct_entry+0x120/0x18c)

 2301 21:37:46.067760  # [   76.303591] [<c0c588c8>] (direct_entry) from [<c07e211c>] (full_proxy_write+0x64/0x94)

 2302 21:37:46.068163  # [   76.311781]  r9:c6945f60 r8:c517a780 r7:0000000d r6:b6e78000 r5:c412c780 r4:c0c588c8

 2303 21:37:46.068584  # [   76.319807] [<c07e20b8>] (full_proxy_write) from [<c059bdac>] (vfs_write+0x10c/0x53c)

 2304 21:37:46.068956  # [   76.327910]  r9:c07e20b8 r8:c6945f60 r7:c290d000 r6:b6e78000 r5:c412c780 r4:00000000

 2305 21:37:46.069292  # [   76.335927] [<c059bca0>] (vfs_write) from [<c059c358>] (ksys_write+0x74/0xec)

 2306 21:37:46.111315  # [   76.343336]  r10:00000004 r9:00000000 r8:00000000 r7:b6e78000 r6:c6944000 r5:c412c780

 2307 21:37:46.111876  # [   76.351433]  r4:c412c780

 2308 21:37:46.112253  # [   76.354242] [<c059c2e4>] (ksys_write) from [<c059c3e8>] (sys_write+0x18/0x1c)

 2309 21:37:46.112654  # [   76.361649]  r9:c6944000 r8:c03002e4 r7:00000004 r6:b6fbfe00 r5:0000000d r4:0000000d

 2310 21:37:46.112997  # [   76.369670] [<c059c3d0>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 2311 21:37:46.113325  # [   76.377509] Exception stack(0xc6945fa8 to 0xc6945ff0)

 2312 21:37:46.155418  # [   76.382832] 5fa0:                   0000000d 0000000d 00000001 b6e78000 0000000d 00000000

 2313 21:37:46.155980  # [   76.391283] 5fc0: 0000000d 0000000d b6fbfe00 00000004 00000001 00000000 00020000 bef63ac4

 2314 21:37:46.156379  # [   76.399731] 5fe0: 00000004 bef637f8 b6f29d8f b6eb07e6

 2315 21:37:46.156726  # [   76.405056] Code: 00000000 00000002 00000000 00000000 (e1a0c00d) 

 2316 21:37:46.157063  # [   76.411424] ---[ end trace c25e2e226ccb702b ]---

 2317 21:37:46.157391  # EXEC_KMALLOC: missing 'call trace:': [FAIL]

 2318 21:37:46.157707  not ok 32 selftests: lkdtm: EXEC_KMALLOC.sh # exit=1

 2319 21:37:46.158023  # selftests: lkdtm: EXEC_VMALLOC.sh

 2320 21:37:46.199032  <6>[   76.952093] lkdtm: Performing direct entry EXEC_VMALLOC

 2321 21:37:46.199198  <6>[   76.958975] lkdtm: attempting ok execution at c0c59258

 2322 21:37:46.199276  <6>[   76.964613] lkdtm: attempting bad execution at f096e000

 2323 21:37:46.199347  <1>[   76.970232] 8<--- cut here ---

 2324 21:37:46.199416  <1>[   76.973589] Unable to handle kernel paging request at virtual address f096e000

 2325 21:37:46.199484  <1>[   76.981178] pgd = 2bf5dfaf

 2326 21:37:46.199551  <1>[   76.984224] [f096e000] *pgd=12958811, *pte=4908a65f, *ppte=4908a45f

 2327 21:37:46.199616  <0>[   76.990988] Internal error: Oops: 8000000f [#6] SMP ARM

 2328 21:37:46.243160  <4>[   76.996513] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3

 2329 21:37:46.243336  <4>[   77.026042] CPU: 3 PID: 1952 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 2330 21:37:46.243421  <4>[   77.034069] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 2331 21:37:46.243498  <4>[   77.040889] PC is at 0xf096e000

 2332 21:37:46.287284  <4>[   77.044332] LR is at execute_location+0xa4/0xb4

 2333 21:37:46.287842  <4>[   77.049151] pc : [<f096e000>]    lr : [<c13cb9b4>]    psr: 600e0013

 2334 21:37:46.288222  <4>[   77.055701] sp : c6d11e30  ip : c6d11d38  fp : c6d11e4c

 2335 21:37:46.288573  <4>[   77.061207] r10: 0000000d  r9 : c1ad5e28  r8 : c15ebd54

 2336 21:37:46.288908  <4>[   77.066715] r7 : c6d11f60  r6 : 00000001  r5 : f096e000  r4 : c0c59258

 2337 21:37:46.289237  <4>[   77.073525] r3 : 5c4c61f8  r2 : 5c4c61f8  r1 : ef7c05e0  r0 : 0000002b

 2338 21:37:46.289557  <4>[   77.080339] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 2339 21:37:46.331428  <4>[   77.087758] Control: 10c5387d  Table: 1697004a  DAC: 00000051

 2340 21:37:46.331996  <0>[   77.093791] Process cat (pid: 1952, stack limit = 0x45a4ffb5)

 2341 21:37:46.332376  <0>[   77.099823] Stack: (0xc6d11e30 to 0xc6d12000)

 2342 21:37:46.332728  <0>[   77.104474] 1e20:                                     f096e000 c6b23000 0000000d c6d11f60

 2343 21:37:46.333069  <0>[   77.112945] 1e40: c6d11e64 c6d11e50 c0c592dc c13cb91c 00000022 c6b23000 c6d11e74 c6d11e68

 2344 21:37:46.333401  <0>[   77.121414] 1e60: c0c584e8 c0c592c0 c6d11e9c c6d11e78 c0c589e8 c0c584c8 c0c588c8 c68d68c0

 2345 21:37:46.375442  <0>[   77.129883] 1e80: b6e60000 0000000d c517a780 c6d11f60 c6d11ec4 c6d11ea0 c07e211c c0c588d4

 2346 21:37:46.376007  <0>[   77.138353] 1ea0: 00000000 c68d68c0 b6e60000 c290d000 c6d11f60 c07e20b8 c6d11f5c c6d11ec8

 2347 21:37:46.376388  <0>[   77.146823] 1ec0: c059bdac c07e20c4 00000001 00000000 c059c358 c13e0f18 c059c358 c6d10000

 2348 21:37:46.376738  <0>[   77.155291] 1ee0: b6e60000 00020000 00000004 0000000d 0001fff3 c6d11ee0 00000001 b6e5f000

 2349 21:37:46.377071  <0>[   77.163758] 1f00: c414ba40 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 2350 21:37:46.423288  <0>[   77.172227] 1f20: 00000000 00000000 c13e0f18 5c4c61f8 c206c0e0 c68d68c0 c68d68c0 c6d10000

 2351 21:37:46.423856  <0>[   77.180697] 1f40: b6e60000 00000000 00000000 00000004 c6d11f94 c6d11f60 c059c358 c059bcac

 2352 21:37:46.424232  <0>[   77.189165] 1f60: 00000000 00000000 c6d11fac 5c4c61f8 0000000d 0000000d b6fa7e00 00000004

 2353 21:37:46.424581  <0>[   77.197634] 1f80: c03002e4 c6d10000 c6d11fa4 c6d11f98 c059c3e8 c059c2f0 00000000 c6d11fa8

 2354 21:37:46.424915  <0>[   77.206101] 1fa0: c03000c0 c059c3dc 0000000d 0000000d 00000001 b6e60000 0000000d 00000000

 2355 21:37:46.467405  <0>[   77.214571] 1fc0: 0000000d 0000000d b6fa7e00 00000004 00000001 00000000 00020000 beaa7ac4

 2356 21:37:46.467995  <0>[   77.223040] 1fe0: 00000004 beaa77f8 b6f11d8f b6e987e6 800e0030 00000001 00000000 00000000

 2357 21:37:46.468388  <0>[   77.231495] Backtrace: 

 2358 21:37:46.468737  <0>[   77.234265] [<c13cb910>] (execute_location) from [<c0c592dc>] (lkdtm_EXEC_VMALLOC+0x28/0x34)

 2359 21:37:46.469167  <0>[   77.242999]  r7:c6d11f60 r6:0000000d r5:c6b23000 r4:f096e000

 2360 21:37:46.469509  <0>[   77.248958] [<c0c592b4>] (lkdtm_EXEC_VMALLOC) from [<c0c584e8>] (lkdtm_do_action+0x2c/0x4c)

 2361 21:37:46.469833  <0>[   77.257597]  r5:c6b23000 r4:00000022

 2362 21:37:46.511422  <0>[   77.261469] [<c0c584bc>] (lkdtm_do_action) from [<c0c589e8>] (direct_entry+0x120/0x18c)

 2363 21:37:46.511986  <0>[   77.269782] [<c0c588c8>] (direct_entry) from [<c07e211c>] (full_proxy_write+0x64/0x94)

 2364 21:37:46.512363  <0>[   77.277994]  r9:c6d11f60 r8:c517a780 r7:0000000d r6:b6e60000 r5:c68d68c0 r4:c0c588c8

 2365 21:37:46.512713  <0>[   77.286044] [<c07e20b8>] (full_proxy_write) from [<c059bdac>] (vfs_write+0x10c/0x53c)

 2366 21:37:46.513049  <0>[   77.294169]  r9:c07e20b8 r8:c6d11f60 r7:c290d000 r6:b6e60000 r5:c68d68c0 r4:00000000

 2367 21:37:46.555240  <0>[   77.302206] [<c059bca0>] (vfs_write) from [<c059c358>] (ksys_write+0x74/0xec)

 2368 21:37:46.555809  <0>[   77.309634]  r10:00000004 r9:00000000 r8:00000000 r7:b6e60000 r6:c6d10000 r5:c68d68c0

 2369 21:37:46.556186  <0>[   77.317744]  r4:c68d68c0

 2370 21:37:46.556534  <0>[   77.320572] [<c059c2e4>] (ksys_write) from [<c059c3e8>] (sys_write+0x18/0x1c)

 2371 21:37:46.556870  <0>[   77.328002]  r9:c6d10000 r8:c03002e4 r7:00000004 r6:b6fa7e00 r5:0000000d r4:0000000d

 2372 21:37:46.557201  <0>[   77.336041] [<c059c3d0>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 2373 21:37:46.598935  <0>[   77.343893] Exception stack(0xc6d11fa8 to 0xc6d11ff0)

 2374 21:37:46.599114  <0>[   77.349236] 1fa0:                   0000000d 0000000d 00000001 b6e60000 0000000d 00000000

 2375 21:37:46.599197  <0>[   77.357705] 1fc0: 0000000d 0000000d b6fa7e00 00000004 00000001 00000000 00020000 beaa7ac4

 2376 21:37:46.599275  <0>[   77.366167] 1fe0: 00000004 beaa77f8 b6f11d8f b6e987e6

 2377 21:37:46.599349  <0>[   77.371512] Code: bad PC value

 2378 21:37:46.599427  <4>[   77.374964] ---[ end trace c25e2e226ccb702c ]---

 2379 21:37:46.599487  # Segmentation fault

 2380 21:37:46.720411  # [   76.952093] lkdtm: Performing direct entry EXEC_VMALLOC

 2381 21:37:46.720532  # [   76.958975] lkdtm: attempting ok execution at c0c59258

 2382 21:37:46.720601  # [   76.964613] lkdtm: attempting bad execution at f096e000

 2383 21:37:46.720663  # [   76.970232] 8<--- cut here ---

 2384 21:37:46.720722  # [   76.973589] Unable to handle kernel paging request at virtual address f096e000

 2385 21:37:46.720781  # [   76.981178] pgd = 2bf5dfaf

 2386 21:37:46.720837  # [   76.984224] [f096e000] *pgd=12958811, *pte=4908a65f, *ppte=4908a45f

 2387 21:37:46.720897  # [   76.990988] Internal error: Oops: 8000000f [#6] SMP ARM

 2388 21:37:46.763802  # [   76.996513] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3

 2389 21:37:46.764660  # [   77.026042] CPU: 3 PID: 1952 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 2390 21:37:46.765231  # [   77.034069] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 2391 21:37:46.811083  # [   77.040889] PC is at 0xf096e000

 2392 21:37:46.811685  # [   77.044332] LR is at execute_location+0xa4/0xb4

 2393 21:37:46.812216  # [   77.049151] pc : [<f096e000>]    lr : [<c13cb9b4>]    psr: 600e0013

 2394 21:37:46.812719  # [   77.055701] sp : c6d11e30  ip : c6d11d38  fp : c6d11e4c

 2395 21:37:46.813207  # [   77.061207] r10: 0000000d  r9 : c1ad5e28  r8 : c15ebd54

 2396 21:37:46.813682  # [   77.066715] r7 : c6d11f60  r6 : 00000001  r5 : f096e000  r4 : c0c59258

 2397 21:37:46.814140  # [   77.073525] r3 : 5c4c61f8  r2 : 5c4c61f8  r1 : ef7c05e0  r0 : 0000002b

 2398 21:37:46.855203  # [   77.080339] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 2399 21:37:46.855393  # [   77.087758] Control: 10c5387d  Table: 1697004a  DAC: 00000051

 2400 21:37:46.855491  # [   77.093791] Process cat (pid: 1952, stack limit = 0x45a4ffb5)

 2401 21:37:46.855580  # [   77.099823] Stack: (0xc6d11e30 to 0xc6d12000)

 2402 21:37:46.855665  # [   77.104474] 1e20:                                     f096e000 c6b23000 0000000d c6d11f60

 2403 21:37:46.855750  # [   77.112945] 1e40: c6d11e64 c6d11e50 c0c592dc c13cb91c 00000022 c6b23000 c6d11e74 c6d11e68

 2404 21:37:46.855832  # [   77.121414] 1e60: c0c584e8 c0c592c0 c6d11e9c c6d11e78 c0c589e8 c0c584c8 c0c588c8 c68d68c0

 2405 21:37:46.903279  # [   77.129883] 1e80: b6e60000 0000000d c517a780 c6d11f60 c6d11ec4 c6d11ea0 c07e211c c0c588d4

 2406 21:37:46.903848  # [   77.138353] 1ea0: 00000000 c68d68c0 b6e60000 c290d000 c6d11f60 c07e20b8 c6d11f5c c6d11ec8

 2407 21:37:46.904226  # [   77.146823] 1ec0: c059bdac c07e20c4 00000001 00000000 c059c358 c13e0f18 c059c358 c6d10000

 2408 21:37:46.904570  # [   77.155291] 1ee0: b6e60000 00020000 00000004 0000000d 0001fff3 c6d11ee0 00000001 b6e5f000

 2409 21:37:46.904901  # [   77.163758] 1f00: c414ba40 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 2410 21:37:46.947258  # [   77.172227] 1f20: 00000000 00000000 c13e0f18 5c4c61f8 c206c0e0 c68d68c0 c68d68c0 c6d10000

 2411 21:37:46.947812  # [   77.180697] 1f40: b6e60000 00000000 00000000 00000004 c6d11f94 c6d11f60 c059c358 c059bcac

 2412 21:37:46.948188  # [   77.189165] 1f60: 00000000 00000000 c6d11fac 5c4c61f8 0000000d 0000000d b6fa7e00 00000004

 2413 21:37:46.948538  # [   77.197634] 1f80: c03002e4 c6d10000 c6d11fa4 c6d11f98 c059c3e8 c059c2f0 00000000 c6d11fa8

 2414 21:37:46.948872  # [   77.206101] 1fa0: c03000c0 c059c3dc 0000000d 0000000d 00000001 b6e60000 0000000d 00000000

 2415 21:37:46.991342  # [   77.214571] 1fc0: 0000000d 0000000d b6fa7e00 00000004 00000001 00000000 00020000 beaa7ac4

 2416 21:37:46.991909  # [   77.223040] 1fe0: 00000004 beaa77f8 b6f11d8f b6e987e6 800e0030 00000001 00000000 00000000

 2417 21:37:46.992390  # [   77.231495] Backtrace: 

 2418 21:37:46.992741  # [   77.234265] [<c13cb910>] (execute_location) from [<c0c592dc>] (lkdtm_EXEC_VMALLOC+0x28/0x34)

 2419 21:37:46.993079  # [   77.242999]  r7:c6d11f60 r6:0000000d r5:c6b23000 r4:f096e000

 2420 21:37:46.993404  # [   77.248958] [<c0c592b4>] (lkdtm_EXEC_VMALLOC) from [<c0c584e8>] (lkdtm_do_action+0x2c/0x4c)

 2421 21:37:46.993726  # [   77.257597]  r5:c6b23000 r4:00000022

 2422 21:37:47.035073  # [   77.261469] [<c0c584bc>] (lkdtm_do_action) from [<c0c589e8>] (direct_entry+0x120/0x18c)

 2423 21:37:47.035282  # [   77.269782] [<c0c588c8>] (direct_entry) from [<c07e211c>] (full_proxy_write+0x64/0x94)

 2424 21:37:47.035390  # [   77.277994]  r9:c6d11f60 r8:c517a780 r7:0000000d r6:b6e60000 r5:c68d68c0 r4:c0c588c8

 2425 21:37:47.035490  # [   77.286044] [<c07e20b8>] (full_proxy_write) from [<c059bdac>] (vfs_write+0x10c/0x53c)

 2426 21:37:47.035584  # [   77.294169]  r9:c07e20b8 r8:c6d11f60 r7:c290d000 r6:b6e60000 r5:c68d68c0 r4:00000000

 2427 21:37:47.079228  # [   77.302206] [<c059bca0>] (vfs_write) from [<c059c358>] (ksys_write+0x74/0xec)

 2428 21:37:47.079813  # [   77.309634]  r10:00000004 r9:00000000 r8:00000000 r7:b6e60000 r6:c6d10000 r5:c68d68c0

 2429 21:37:47.080190  # [   77.317744]  r4:c68d68c0

 2430 21:37:47.080531  # [   77.320572] [<c059c2e4>] (ksys_write) from [<c059c3e8>] (sys_write+0x18/0x1c)

 2431 21:37:47.080861  # [   77.328002]  r9:c6d10000 r8:c03002e4 r7:00000004 r6:b6fa7e00 r5:0000000d r4:0000000d

 2432 21:37:47.081187  # [   77.336041] [<c059c3d0>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 2433 21:37:47.081503  # [   77.343893] Exception stack(0xc6d11fa8 to 0xc6d11ff0)

 2434 21:37:47.127196  # [   77.349236] 1fa0:                   0000000d 0000000d 00000001 b6e60000 0000000d 00000000

 2435 21:37:47.127368  # [   77.357705] 1fc0: 0000000d 0000000d b6fa7e00 00000004 00000001 00000000 00020000 beaa7ac4

 2436 21:37:47.127449  # [   77.366167] 1fe0: 00000004 beaa77f8 b6f11d8f b6e987e6

 2437 21:37:47.127520  # [   77.3715<6>[   77.891936] lkdtm: Performing direct entry EXEC_RODATA

 2438 21:37:47.127589  12] Code: bad PC value

 2439 21:37:47.127657  # [< 6 >    77.899094] lkdtm: attempting ok execution at c0c59258

 2440 21:37:47.171168  77.374964] ---[ end trace c25e2e2<6>[   77.907063] lkdtm: attempting bad execution at c15ebff0

 2441 21:37:47.171568  26ccb702c ]---

 2442 21:37:47.171812  # EXEC_VMALLOC: m<1>[   77.915398] 8<--- cut here ---

 2443 21:37:47.172038  issing 'call trace:':< 1[>F[A I L77.921538] Unable to handle kernel paging request at virtual address c15ebff0

 2444 21:37:47.172255  ]

 2445 21:37:47.172464  not ok 33 selft<e1s>t[s :   l77.931275] pgd = 2bf5dfaf

 2446 21:37:47.172672  dtm: EXEC_VMALLOC.sh # exit=1

 2447 21:37:47.172874  # <1>[   77.936410] [c15ebff0] *pgd=1141941e(bad)

 2448 21:37:47.173074  selftests: lkdtm: EXEC_R<O0D>A[T   77.943547] Internal error: Oops: 8000000d [#7] SMP ARM

 2449 21:37:47.173278  .sh

 2450 21:37:47.215443  <4>[   77.951458] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3

 2451 21:37:47.216026  <4>[   77.980991] CPU: 3 PID: 2030 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 2452 21:37:47.216410  <4>[   77.989002] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 2453 21:37:47.259435  <4>[   77.995810] PC is at lkdtm_rodata_do_nothing+0x0/0x10

 2454 21:37:47.259998  <4>[   78.001139] LR is at execute_location+0xa4/0xb4

 2455 21:37:47.260370  <4>[   78.005939] pc : [<c15ebff0>]    lr : [<c13cb9b4>]    psr: 600e0013

 2456 21:37:47.260718  <4>[   78.012474] sp : c6a9be38  ip : c6a9bd40  fp : c6a9be54

 2457 21:37:47.261048  <4>[   78.017968] r10: 0000000c  r9 : c1ad5e38  r8 : c15ebd54

 2458 21:37:47.261377  <4>[   78.023461] r7 : c6a9bf60  r6 : 00000000  r5 : c15ebff0  r4 : c0c59258

 2459 21:37:47.261701  <4>[   78.030256] r3 : f508ce90  r2 : f508ce90  r1 : ef7c05e0  r0 : 0000002b

 2460 21:37:47.303395  <4>[   78.037054] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 2461 21:37:47.303964  <4>[   78.044458] Control: 10c5387d  Table: 1697004a  DAC: 00000051

 2462 21:37:47.304349  <0>[   78.050472] Process cat (pid: 2030, stack limit = 0x56905ca8)

 2463 21:37:47.304699  <0>[   78.056486] Stack: (0xc6a9be38 to 0xc6a9c000)

 2464 21:37:47.305032  <0>[   78.061116] be20:                                                       00000023 c6b23000

 2465 21:37:47.305363  <0>[   78.069568] be40: 0000000c c6a9bf60 c6a9be64 c6a9be58 c13cbb9c c13cb91c c6a9be74 c6a9be68

 2466 21:37:47.305764  <0>[   78.078020] be60: c0c584e8 c13cbb84 c6a9be9c c6a9be78 c0c589e8 c0c584c8 c0c588c8 c412c000

 2467 21:37:47.347285  <0>[   78.086469] be80: b6de0000 0000000c c517a780 c6a9bf60 c6a9bec4 c6a9bea0 c07e211c c0c588d4

 2468 21:37:47.347852  <0>[   78.094920] bea0: 00000000 c412c000 b6de0000 c290d000 c6a9bf60 c07e20b8 c6a9bf5c c6a9bec8

 2469 21:37:47.348234  <0>[   78.103371] bec0: c059bdac c07e20c4 00000001 00000000 c059c358 c5c42424 c059c358 c6a9a000

 2470 21:37:47.348584  <0>[   78.111820] bee0: b6de0000 00020000 00000004 0000000c 0001fff4 c6a9bee0 00000001 00000805

 2471 21:37:47.348919  <0>[   78.120268] bf00: c4101a40 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 2472 21:37:47.391413  <0>[   78.128719] bf20: 00000000 00000000 c6a9a000 f508ce90 b6ddf000 c412c000 c412c000 c6a9a000

 2473 21:37:47.391982  <0>[   78.137168] bf40: b6de0000 00000000 00000000 00000004 c6a9bf94 c6a9bf60 c059c358 c059bcac

 2474 21:37:47.392363  <0>[   78.145619] bf60: 00000000 00000000 c6a9bfac f508ce90 0000000c 0000000c b6f27e00 00000004

 2475 21:37:47.392714  <0>[   78.154068] bf80: c03002e4 c6a9a000 c6a9bfa4 c6a9bf98 c059c3e8 c059c2f0 00000000 c6a9bfa8

 2476 21:37:47.393048  <0>[   78.162518] bfa0: c03000c0 c059c3dc 0000000c 0000000c 00000001 b6de0000 0000000c 00000000

 2477 21:37:47.435362  <0>[   78.170969] bfc0: 0000000c 0000000c b6f27e00 00000004 00000001 00000000 00020000 bed6fac4

 2478 21:37:47.435931  <0>[   78.179417] bfe0: 00000004 bed6f7f8 b6e91d8f b6e187e6 800e0030 00000001 00000000 00000000

 2479 21:37:47.436306  <0>[   78.187859] Backtrace: 

 2480 21:37:47.436652  <0>[   78.190591] [<c13cb910>] (execute_location) from [<c13cbb9c>] (lkdtm_EXEC_RODATA+0x24/0x28)

 2481 21:37:47.436989  <0>[   78.199217]  r7:c6a9bf60 r6:0000000c r5:c6b23000 r4:00000023

 2482 21:37:47.437318  <0>[   78.205157] [<c13cbb78>] (lkdtm_EXEC_RODATA) from [<c0c584e8>] (lkdtm_do_action+0x2c/0x4c)

 2483 21:37:47.479439  <0>[   78.213697] [<c0c584bc>] (lkdtm_do_action) from [<c0c589e8>] (direct_entry+0x120/0x18c)

 2484 21:37:47.480003  <0>[   78.221985] [<c0c588c8>] (direct_entry) from [<c07e211c>] (full_proxy_write+0x64/0x94)

 2485 21:37:47.480382  <0>[   78.230178]  r9:c6a9bf60 r8:c517a780 r7:0000000c r6:b6de0000 r5:c412c000 r4:c0c588c8

 2486 21:37:47.480729  <0>[   78.238203] [<c07e20b8>] (full_proxy_write) from [<c059bdac>] (vfs_write+0x10c/0x53c)

 2487 21:37:47.481062  <0>[   78.246306]  r9:c07e20b8 r8:c6a9bf60 r7:c290d000 r6:b6de0000 r5:c412c000 r4:00000000

 2488 21:37:47.527432  <0>[   78.254324] [<c059bca0>] (vfs_write) from [<c059c358>] (ksys_write+0x74/0xec)

 2489 21:37:47.527996  <0>[   78.261732]  r10:00000004 r9:00000000 r8:00000000 r7:b6de0000 r6:c6a9a000 r5:c412c000

 2490 21:37:47.528372  <0>[   78.269829]  r4:c412c000

 2491 21:37:47.528716  <0>[   78.272637] [<c059c2e4>] (ksys_write) from [<c059c3e8>] (sys_write+0x18/0x1c)

 2492 21:37:47.529046  <0>[   78.280046]  r9:c6a9a000 r8:c03002e4 r7:00000004 r6:b6f27e00 r5:0000000c r4:0000000c

 2493 21:37:47.529369  <0>[   78.288067] [<c059c3d0>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 2494 21:37:47.529725  <0>[   78.295903] Exception stack(0xc6a9bfa8 to 0xc6a9bff0)

 2495 21:37:47.571115  <0>[   78.301226] bfa0:                   0000000c 0000000c 00000001 b6de0000 0000000c 00000000

 2496 21:37:47.571326  <0>[   78.309675] bfc0: 0000000c 0000000c b6f27e00 00000004 00000001 00000000 00020000 bed6fac4

 2497 21:37:47.571401  <0>[   78.318121] bfe0: 00000004 bed6f7f8 b6e91d8f b6e187e6

 2498 21:37:47.571467  <0>[   78.323449] Code: 5f727563 6e756f63 00000074 aa55aa55 (e1a0c00d) 

 2499 21:37:47.571530  <4>[   78.329818] ---[ end trace c25e2e226ccb702d ]---

 2500 21:37:47.571591  # Segmentation fault

 2501 21:37:47.713168  # [   77.891936] lkdtm: Performing direct entry EXEC_RODATA

 2502 21:37:47.713276  # [   77.899094] lkdtm: attempting ok execution at c0c59258

 2503 21:37:47.713343  # [   77.907063] lkdtm: attempting bad execution at c15ebff0

 2504 21:37:47.713409  # [   77.915398] 8<--- cut here ---

 2505 21:37:47.713470  # [   77.921538] Unable to handle kernel paging request at virtual address c15ebff0

 2506 21:37:47.713528  # [   77.931275] pgd = 2bf5dfaf

 2507 21:37:47.713589  # [   77.936410] [c15ebff0] *pgd=1141941e(bad)

 2508 21:37:47.713649  # [   77.943547] Internal error: Oops: 8000000d [#7] SMP ARM

 2509 21:37:47.756201  # [   77.951458] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3

 2510 21:37:47.756300  # [   77.980991] CPU: 3 PID: 2030 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 2511 21:37:47.756374  # [   77.989002] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 2512 21:37:47.799104  # [   77.995810] PC is at lkdtm_rodata_do_nothing+0x0/0x10

 2513 21:37:47.799203  # [   78.001139] LR is at execute_location+0xa4/0xb4

 2514 21:37:47.799268  # [   78.005939] pc : [<c15ebff0>]    lr : [<c13cb9b4>]    psr: 600e0013

 2515 21:37:47.799329  # [   78.012474] sp : c6a9be38  ip : c6a9bd40  fp : c6a9be54

 2516 21:37:47.799388  # [   78.017968] r10: 0000000c  r9 : c1ad5e38  r8 : c15ebd54

 2517 21:37:47.799448  # [   78.023461] r7 : c6a9bf60  r6 : 00000000  r5 : c15ebff0  r4 : c0c59258

 2518 21:37:47.799508  # [   78.030256] r3 : f508ce90  r2 : f508ce90  r1 : ef7c05e0  r0 : 0000002b

 2519 21:37:47.842961  # [   78.037054] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 2520 21:37:47.843142  # [   78.044458] Control: 10c5387d  Table: 1697004a  DAC: 00000051

 2521 21:37:47.843283  # [   78.050472] Process cat (pid: 2030, stack limit = 0x56905ca8)

 2522 21:37:47.843417  # [   78.056486] Stack: (0xc6a9be38 to 0xc6a9c000)

 2523 21:37:47.843553  # [   78.061116] be20:                                                       00000023 c6b23000

 2524 21:37:47.843694  # [   78.069568] be40: 0000000c c6a9bf60 c6a9be64 c6a9be58 c13cbb9c c13cb91c c6a9be74 c6a9be68

 2525 21:37:47.843823  # [   78.078020] be60: c0c584e8 c13cbb84 c6a9be9c c6a9be78 c0c589e8 c0c584c8 c0c588c8 c412c000

 2526 21:37:47.887053  # [   78.086469] be80: b6de0000 0000000c c517a780 c6a9bf60 c6a9bec4 c6a9bea0 c07e211c c0c588d4

 2527 21:37:47.887267  # [   78.094920] bea0: 00000000 c412c000 b6de0000 c290d000 c6a9bf60 c07e20b8 c6a9bf5c c6a9bec8

 2528 21:37:47.887386  # [   78.103371] bec0: c059bdac c07e20c4 00000001 00000000 c059c358 c5c42424 c059c358 c6a9a000

 2529 21:37:47.887493  # [   78.111820] bee0: b6de0000 00020000 00000004 0000000c 0001fff4 c6a9bee0 00000001 00000805

 2530 21:37:47.887595  # [   78.120268] bf00: c4101a40 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 2531 21:37:47.931293  # [   78.128719] bf20: 00000000 00000000 c6a9a000 f508ce90 b6ddf000 c412c000 c412c000 c6a9a000

 2532 21:37:47.931894  # [   78.137168] bf40: b6de0000 00000000 00000000 00000004 c6a9bf94 c6a9bf60 c059c358 c059bcac

 2533 21:37:47.932479  # [   78.145619] bf60: 00000000 00000000 c6a9bfac f508ce90 0000000c 0000000c b6f27e00 00000004

 2534 21:37:47.932910  # [   78.154068] bf80: c03002e4 c6a9a000 c6a9bfa4 c6a9bf98 c059c3e8 c059c2f0 00000000 c6a9bfa8

 2535 21:37:47.933262  # [   78.162518] bfa0: c03000c0 c059c3dc 0000000c 0000000c 00000001 b6de0000 0000000c 00000000

 2536 21:37:47.975331  # [   78.170969] bfc0: 0000000c 0000000c b6f27e00 00000004 00000001 00000000 00020000 bed6fac4

 2537 21:37:47.975928  # [   78.179417] bfe0: 00000004 bed6f7f8 b6e91d8f b6e187e6 800e0030 00000001 00000000 00000000

 2538 21:37:47.976485  # [   78.187859] Backtrace: 

 2539 21:37:47.976927  # [   78.190591] [<c13cb910>] (execute_location) from [<c13cbb9c>] (lkdtm_EXEC_RODATA+0x24/0x28)

 2540 21:37:47.977275  # [   78.199217]  r7:c6a9bf60 r6:0000000c r5:c6b23000 r4:00000023

 2541 21:37:47.977630  # [   78.205157] [<c13cbb78>] (lkdtm_EXEC_RODATA) from [<c0c584e8>] (lkdtm_do_action+0x2c/0x4c)

 2542 21:37:48.019264  # [   78.213697] [<c0c584bc>] (lkdtm_do_action) from [<c0c589e8>] (direct_entry+0x120/0x18c)

 2543 21:37:48.019867  # [   78.221985] [<c0c588c8>] (direct_entry) from [<c07e211c>] (full_proxy_write+0x64/0x94)

 2544 21:37:48.020246  # [   78.230178]  r9:c6a9bf60 r8:c517a780 r7:0000000c r6:b6de0000 r5:c412c000 r4:c0c588c8

 2545 21:37:48.020599  # [   78.238203] [<c07e20b8>] (full_proxy_write) from [<c059bdac>] (vfs_write+0x10c/0x53c)

 2546 21:37:48.020933  # [   78.246306]  r9:c07e20b8 r8:c6a9bf60 r7:c290d000 r6:b6de0000 r5:c412c000 r4:00000000

 2547 21:37:48.021262  # [   78.254324] [<c059bca0>] (vfs_write) from [<c059c358>] (ksys_write+0x74/0xec)

 2548 21:37:48.063304  # [   78.261732]  r10:00000004 r9:00000000 r8:00000000 r7:b6de0000 r6:c6a9a000 r5:c412c000

 2549 21:37:48.063868  # [   78.269829]  r4:c412c000

 2550 21:37:48.064237  # [   78.272637] [<c059c2e4>] (ksys_write) from [<c059c3e8>] (sys_write+0x18/0x1c)

 2551 21:37:48.064603  # [   78.280046]  r9:c6a9a000 r8:c03002e4 r7:00000004 r6:b6f27e00 r5:0000000c r4:0000000c

 2552 21:37:48.064982  # [   78.288067] [<c059c3d0>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 2553 21:37:48.065313  # [   78.295903] Exception stack(0xc6a9bfa8 to 0xc6a9bff0)

 2554 21:37:48.107181  # [   78.301226] bfa0:                   0000000c 0000000c 00000001 b6de0000 0000000c 00000000

 2555 21:37:48.107373  # [   78.309675] bfc0: 0000000c 0000000c b6f27e00 00000004 00000001 00000000 00020000 bed6fac4

 2556 21:37:48.107471  # [   78.318121] bfe0: 00000004 bed6f7f8 b6e91d8f b6e187e6

 2557 21:37:48.107564  # [   78.323449] Code: 5f727563 6e756f63 00000074 aa55aa55 (e1a0c00d) 

 2558 21:37:48.107697  # [   78.329818] ---[ end trace c25e2e226ccb702d ]---

 2559 21:37:48.107833  # EXEC_RODATA: missing 'call trace:': [FAIL]

 2560 21:37:48.107977  not ok 34 selftests: lkdtm: EXEC_RODATA.sh # exit=1

 2561 21:37:48.108068  # selftests: lkdtm: EXEC_USERSPACE.sh

 2562 21:37:48.155072  <6>[   78.904744] lkdtm: Performing direct entry EXEC_USERSPACE

 2563 21:37:48.155270  <6>[   78.910494] lkdtm: attempting ok execution at c0c59258

 2564 21:37:48.155378  <6>[   78.915964] lkdtm: attempting bad execution at b6f23000

 2565 21:37:48.155472  <1>[   78.921519] Unhandled prefetch abort: page domain fault (0x00b) at 0xb6f23000

 2566 21:37:48.155561  <0>[   78.928936] Internal error: : b [#8] SMP ARM

 2567 21:37:48.199297  <4>[   78.933485] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3

 2568 21:37:48.199876  <4>[   78.962808] CPU: 2 PID: 2107 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 2569 21:37:48.200258  <4>[   78.970819] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 2570 21:37:48.200607  <4>[   78.977621] PC is at 0xb6f23000

 2571 21:37:48.200940  <4>[   78.981042] LR is at lkdtm_EXEC_USERSPACE+0xc4/0xd4

 2572 21:37:48.201265  <4>[   78.986189] pc : [<b6f23000>]    lr : [<c0c593ac>]    psr: 600e0013

 2573 21:37:48.247291  <4>[   78.992726] sp : c4119e48  ip : c4119d50  fp : c4119e64

 2574 21:37:48.247854  <4>[   78.998220] r10: 0000000f  r9 : c1ad5e44  r8 : c15ebd54

 2575 21:37:48.248236  <4>[   79.003713] r7 : c4119f60  r6 : 0000000f  r5 : c6a83000  r4 : b6f23000

 2576 21:37:48.248587  <4>[   79.010509] r3 : cbcceb3c  r2 : cbcceb3c  r1 : ef7ab5e0  r0 : 0000002b

 2577 21:37:48.248920  <4>[   79.017306] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 2578 21:37:48.249246  <4>[   79.024712] Control: 10c5387d  Table: 16e4804a  DAC: 00000051

 2579 21:37:48.249569  <0>[   79.030729] Process cat (pid: 2107, stack limit = 0x02b6f769)

 2580 21:37:48.295292  <0>[   79.036745] Stack: (0xc4119e48 to 0xc411a000)

 2581 21:37:48.295857  <0>[   79.041377] 9e40:                   00000001 00000000 0000000f 00000024 c4119e74 c4119e68

 2582 21:37:48.296245  <0>[   79.049828] 9e60: c0c584e8 c0c592f4 c4119e9c c4119e78 c0c589e8 c0c584c8 c0c588c8 c4232500

 2583 21:37:48.296593  <0>[   79.058278] 9e80: b6ddd000 0000000f c517a780 c4119f60 c4119ec4 c4119ea0 c07e211c c0c588d4

 2584 21:37:48.296924  <0>[   79.066728] 9ea0: 00000000 c4232500 b6ddd000 c290d000 c4119f60 c07e20b8 c4119f5c c4119ec8

 2585 21:37:48.339438  <0>[   79.075177] 9ec0: c059bdac c07e20c4 00000001 00000000 c059c358 c13e0f18 c059c358 c4118000

 2586 21:37:48.340004  <0>[   79.083629] 9ee0: b6ddd000 00020000 00000004 0000000f 0001fff1 c4119ee0 00000001 b6ddc000

 2587 21:37:48.340387  <0>[   79.092078] 9f00: c68c7cc0 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 2588 21:37:48.340737  <0>[   79.100526] 9f20: 00000000 00000000 c13e0f18 cbcceb3c c206c0e0 c4232500 c4232500 c4118000

 2589 21:37:48.341072  <0>[   79.108974] 9f40: b6ddd000 00000000 00000000 00000004 c4119f94 c4119f60 c059c358 c059bcac

 2590 21:37:48.383519  <0>[   79.117424] 9f60: 00000000 00000000 c4119fac cbcceb3c 0000000f 0000000f b6f24e00 00000004

 2591 21:37:48.384092  <0>[   79.125873] 9f80: c03002e4 c4118000 c4119fa4 c4119f98 c059c3e8 c059c2f0 00000000 c4119fa8

 2592 21:37:48.384521  <0>[   79.134323] 9fa0: c03000c0 c059c3dc 0000000f 0000000f 00000001 b6ddd000 0000000f 00000000

 2593 21:37:48.384867  <0>[   79.142771] 9fc0: 0000000f 0000000f b6f24e00 00000004 00000001 00000000 00020000 bef55ac4

 2594 21:37:48.385197  <0>[   79.151220] 9fe0: 00000004 bef557f8 b6e8ed8f b6e157e6 800e0030 00000001 00000000 00000000

 2595 21:37:48.385525  <0>[   79.159662] Backtrace: 

 2596 21:37:48.427408  <0>[   79.162393] [<c0c592e8>] (lkdtm_EXEC_USERSPACE) from [<c0c584e8>] (lkdtm_do_action+0x2c/0x4c)

 2597 21:37:48.428053  <0>[   79.171187]  r4:00000024

 2598 21:37:48.428441  <0>[   79.173998] [<c0c584bc>] (lkdtm_do_action) from [<c0c589e8>] (direct_entry+0x120/0x18c)

 2599 21:37:48.428791  <0>[   79.182283] [<c0c588c8>] (direct_entry) from [<c07e211c>] (full_proxy_write+0x64/0x94)

 2600 21:37:48.429124  <0>[   79.190474]  r9:c4119f60 r8:c517a780 r7:0000000f r6:b6ddd000 r5:c4232500 r4:c0c588c8

 2601 21:37:48.429453  <0>[   79.198497] [<c07e20b8>] (full_proxy_write) from [<c059bdac>] (vfs_write+0x10c/0x53c)

 2602 21:37:48.471435  <0>[   79.206603]  r9:c07e20b8 r8:c4119f60 r7:c290d000 r6:b6ddd000 r5:c4232500 r4:00000000

 2603 21:37:48.472114  <0>[   79.214620] [<c059bca0>] (vfs_write) from [<c059c358>] (ksys_write+0x74/0xec)

 2604 21:37:48.472636  <0>[   79.222029]  r10:00000004 r9:00000000 r8:00000000 r7:b6ddd000 r6:c4118000 r5:c4232500

 2605 21:37:48.472998  <0>[   79.230126]  r4:c4232500

 2606 21:37:48.473333  <0>[   79.232936] [<c059c2e4>] (ksys_write) from [<c059c3e8>] (sys_write+0x18/0x1c)

 2607 21:37:48.473665  <0>[   79.240344]  r9:c4118000 r8:c03002e4 r7:00000004 r6:b6f24e00 r5:0000000f r4:0000000f

 2608 21:37:48.514941  <0>[   79.248365] [<c059c3d0>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 2609 21:37:48.515095  <0>[   79.256202] Exception stack(0xc4119fa8 to 0xc4119ff0)

 2610 21:37:48.515163  <0>[   79.261527] 9fa0:                   0000000f 0000000f 00000001 b6ddd000 0000000f 00000000

 2611 21:37:48.515231  <0>[   79.269978] 9fc0: 0000000f 0000000f b6f24e00 00000004 00000001 00000000 00020000 bef55ac4

 2612 21:37:48.515294  <0>[   79.278427] 9fe0: 00000004 bef557f8 b6e8ed8f b6e157e6

 2613 21:37:48.515352  <0>[   79.283755] Code: bad PC value

 2614 21:37:48.515409  <4>[   79.287087] ---[ end trace c25e2e226ccb702e ]---

 2615 21:37:48.515470  # Segmentation fault

 2616 21:37:48.658510  # [   78.904744] lkdtm: Performing direct entry EXEC_USERSPACE

 2617 21:37:48.658669  # [   78.910494] lkdtm: attempting ok execution at c0c59258

 2618 21:37:48.658797  # [   78.915964] lkdtm: attempting bad execution at b6f23000

 2619 21:37:48.658916  # [   78.921519] Unhandled prefetch abort: page domain fault (0x00b) at 0xb6f23000

 2620 21:37:48.659029  # [   78.928936] Internal error: : b [#8] SMP ARM

 2621 21:37:48.701952  # [   78.933485] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3

 2622 21:37:48.702426  # [   78.962808] CPU: 2 PID: 2107 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 2623 21:37:48.702907  # [   78.970819] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 2624 21:37:48.703261  # [   78.977621] PC is at 0xb6f23000

 2625 21:37:48.703592  # [   78.981042] LR is at lkdtm_EXEC_USERSPACE+0xc4/0xd4

 2626 21:37:48.744964  # [   78.986189] pc : [<b6f23000>]    lr : [<c0c593ac>]    psr: 600e0013

 2627 21:37:48.745075  # [   78.992726] sp : c4119e48  ip : c4119d50  fp : c4119e64

 2628 21:37:48.745172  # [   78.998220] r10: 0000000f  r9 : c1ad5e44  r8 : c15ebd54

 2629 21:37:48.745264  # [   79.003713] r7 : c4119f60  r6 : 0000000f  r5 : c6a83000  r4 : b6f23000

 2630 21:37:48.745354  # [   79.010509] r3 : cbcceb3c  r2 : cbcceb3c  r1 : ef7ab5e0  r0 : 0000002b

 2631 21:37:48.745443  # [   79.017306] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 2632 21:37:48.745533  # [   79.024712] Control: 10c5387d  Table: 16e4804a  DAC: 00000051

 2633 21:37:48.788090  # [   79.030729] Process cat (pid: 2107, stack limit = 0x02b6f769)

 2634 21:37:48.788261  # [   79.036745] Stack: (0xc4119e48 to 0xc411a000)

 2635 21:37:48.788356  # [   79.041377] 9e40:                   00000001 00000000 0000000f 00000024 c4119e74 c4119e68

 2636 21:37:48.788449  # [   79.049828] 9e60: c0c584e8 c0c592f4 c4119e9c c4119e78 c0c589e8 c0c584c8 c0c588c8 c4232500

 2637 21:37:48.788523  # [   79.058278] 9e80: b6ddd000 0000000f c517a780 c4119f60 c4119ec4 c4119ea0 c07e211c c0c588d4

 2638 21:37:48.788596  # [   79.066728] 9ea0: 00000000 c4232500 b6ddd000 c290d000 c4119f60 c07e20b8 c4119f5c c4119ec8

 2639 21:37:48.831053  # [   79.075177] 9ec0: c059bdac c07e20c4 00000001 00000000 c059c358 c13e0f18 c059c358 c4118000

 2640 21:37:48.831456  # [   79.083629] 9ee0: b6ddd000 00020000 00000004 0000000f 0001fff1 c4119ee0 00000001 b6ddc000

 2641 21:37:48.831711  # [   79.092078] 9f00: c68c7cc0 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 2642 21:37:48.831943  # [   79.100526] 9f20: 00000000 00000000 c13e0f18 cbcceb3c c206c0e0 c4232500 c4232500 c4118000

 2643 21:37:48.832189  # [   79.108974] 9f40: b6ddd000 00000000 00000000 00000004 c4119f94 c4119f60 c059c358 c059bcac

 2644 21:37:48.875229  # [   79.117424] 9f60: 00000000 00000000 c4119fac cbcceb3c 0000000f 0000000f b6f24e00 00000004

 2645 21:37:48.875782  # [   79.125873] 9f80: c03002e4 c4118000 c4119fa4 c4119f98 c059c3e8 c059c2f0 00000000 c4119fa8

 2646 21:37:48.876157  # [   79.134323] 9fa0: c03000c0 c059c3dc 0000000f 0000000f 00000001 b6ddd000 0000000f 00000000

 2647 21:37:48.876500  # [   79.142771] 9fc0: 0000000f 0000000f b6f24e00 00000004 00000001 00000000 00020000 bef55ac4

 2648 21:37:48.876830  # [   79.151220] 9fe0: 00000004 bef557f8 b6e8ed8f b6e157e6 800e0030 00000001 00000000 00000000

 2649 21:37:48.877153  # [   79.159662] Backtrace: 

 2650 21:37:48.919236  # [   79.162393] [<c0c592e8>] (lkdtm_EXEC_USERSPACE) from [<c0c584e8>] (lkdtm_do_action+0x2c/0x4c)

 2651 21:37:48.919795  # [   79.171187]  r4:00000024

 2652 21:37:48.920209  # [   79.173998] [<c0c584bc>] (lkdtm_do_action) from [<c0c589e8>] (direct_entry+0x120/0x18c)

 2653 21:37:48.920567  # [   79.182283] [<c0c588c8>] (direct_entry) from [<c07e211c>] (full_proxy_write+0x64/0x94)

 2654 21:37:48.920937  # [   79.190474]  r9:c4119f60 r8:c517a780 r7:0000000f r6:b6ddd000 r5:c4232500 r4:c0c588c8

 2655 21:37:48.921271  # [   79.198497] [<c07e20b8>] (full_proxy_write) from [<c059bdac>] (vfs_write+0x10c/0x53c)

 2656 21:37:48.963262  # [   79.206603]  r9:c07e20b8 r8:c4119f60 r7:c290d000 r6:b6ddd000 r5:c4232500 r4:00000000

 2657 21:37:48.963816  # [   79.214620] [<c059bca0>] (vfs_write) from [<c059c358>] (ksys_write+0x74/0xec)

 2658 21:37:48.964195  # [   79.222029]  r10:00000004 r9:00000000 r8:00000000 r7:b6ddd000 r6:c4118000 r5:c4232500

 2659 21:37:48.964546  # [   79.230126]  r4:c4232500

 2660 21:37:48.964877  # [   79.232936] [<c059c2e4>] (ksys_write) from [<c059c3e8>] (sys_write+0x18/0x1c)

 2661 21:37:48.965207  # [   79.240344]  r9:c4118000 r8:c03002e4 r7:00000004 r6:b6f24e00 r5:0000000f r4:0000000f

 2662 21:37:49.007215  # [   79.248365] [<c059c3d0>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 2663 21:37:49.007924  # [   79.256202] Exception stack(0xc4119fa8 to 0xc4119ff0)

 2664 21:37:49.008417  # [   79.261527] 9fa0:                   0000000f 0000000f 00000001 b6ddd000 0000000f 00000000

 2665 21:37:49.008891  # [   79.269978] 9fc0: 0000000f 0000000f b6f24e00 00000004 00000001 00000000 00020000 bef55ac4

 2666 21:37:49.009261  # [   79.278427] 9fe0: 00000004 bef557f8 b6e8ed8f b6e157e6

 2667 21:37:49.009641  # [   79.283755] Code: bad PC value

 2668 21:37:49.009998  # [   79.287087] ---[ end trace c25e2e226ccb702e ]---

 2669 21:37:49.010344  # EXEC_USERSPACE: missing 'call trace:': [FAIL]

 2670 21:37:49.051045  not ok 35 selftests: lkdtm: EXEC_USERSPACE.sh # exit=1

 2671 21:37:49.051243  # selftests: lkdtm: EXEC_NULL.sh

 2672 21:37:49.066705  <6>[   79.828777] lkdtm: Performing direct entry EXEC_NULL

 2673 21:37:49.066916  <6>[   79.834123] lkdtm: attempting ok execution at c0c59258

 2674 21:37:49.067013  <6>[   79.839537] lkdtm: attempting bad execution at 00000000

 2675 21:37:49.067100  <1>[   79.845156] 8<--- cut here ---

 2676 21:37:49.067184  <1>[   79.848513] Unable to handle kernel NULL pointer dereference at virtual address 00000000

 2677 21:37:49.067267  <1>[   79.857003] pgd = d9b9e464

 2678 21:37:49.067346  <1>[   79.860025] [00000000] *pgd=00000000

 2679 21:37:49.067423  <0>[   79.863900] Internal error: Oops: 80000005 [#9] SMP ARM

 2680 21:37:49.110193  <4>[   79.869396] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3

 2681 21:37:49.110658  <4>[   79.898730] CPU: 0 PID: 2179 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 2682 21:37:49.110996  <4>[   79.906741] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 2683 21:37:49.153564  <4>[   79.913543] PC is at 0x0

 2684 21:37:49.154122  <4>[   79.916357] LR is at execute_location+0xa4/0xb4

 2685 21:37:49.154498  <4>[   79.921157] pc : [<00000000>]    lr : [<c13cb9b4>]    psr: 600e0013

 2686 21:37:49.154911  <4>[   79.927691] sp : c68dde38  ip : c68ddd40  fp : c68dde54

 2687 21:37:49.155275  <4>[   79.933184] r10: 0000000a  r9 : c1ad5e54  r8 : c15ebd54

 2688 21:37:49.155607  <4>[   79.938677] r7 : c68ddf60  r6 : 00000000  r5 : 00000000  r4 : c0c59258

 2689 21:37:49.155931  <4>[   79.945473] r3 : 5c7c1bcc  r2 : 5c7c1bcc  r1 : ef7815e0  r0 : 0000002b

 2690 21:37:49.196539  <4>[   79.952271] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 2691 21:37:49.197098  <4>[   79.959676] Control: 10c5387d  Table: 16c4804a  DAC: 00000051

 2692 21:37:49.197473  <0>[   79.965691] Process cat (pid: 2179, stack limit = 0x1a5696ac)

 2693 21:37:49.197819  <0>[   79.971706] Stack: (0xc68dde38 to 0xc68de000)

 2694 21:37:49.198205  <0>[   79.976334] de20:                                                       00000025 c688f000

 2695 21:37:49.198538  <0>[   79.984787] de40: 0000000a c68ddf60 c68dde64 c68dde58 c13cbbc0 c13cb91c c68dde74 c68dde68

 2696 21:37:49.198902  <0>[   79.993236] de60: c0c584e8 c13cbbac c68dde9c c68dde78 c0c589e8 c0c584c8 c0c588c8 c68d7540

 2697 21:37:49.239808  <0>[   80.001687] de80: b6ddc000 0000000a c517a780 c68ddf60 c68ddec4 c68ddea0 c07e211c c0c588d4

 2698 21:37:49.240368  <0>[   80.010138] dea0: 00000000 c68d7540 b6ddc000 c290d000 c68ddf60 c07e20b8 c68ddf5c c68ddec8

 2699 21:37:49.240747  <0>[   80.018589] dec0: c059bdac c07e20c4 00000001 00000000 c059c358 c13e0f18 c059c358 c68dc000

 2700 21:37:49.241098  <0>[   80.027040] dee0: b6ddc000 00020000 00000004 0000000a 0001fff6 c68ddee0 00000001 b6ddb000

 2701 21:37:49.241435  <0>[   80.035488] df00: c414ac80 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 2702 21:37:49.283256  <0>[   80.043938] df20: 00000000 00000000 c13e0f18 5c7c1bcc c206c0e0 c68d7540 c68d7540 c68dc000

 2703 21:37:49.283819  <0>[   80.052388] df40: b6ddc000 00000000 00000000 00000004 c68ddf94 c68ddf60 c059c358 c059bcac

 2704 21:37:49.284200  <0>[   80.060836] df60: 00000000 00000000 c68ddfac 5c7c1bcc 0000000a 0000000a b6f23e00 00000004

 2705 21:37:49.284552  <0>[   80.069287] df80: c03002e4 c68dc000 c68ddfa4 c68ddf98 c059c3e8 c059c2f0 00000000 c68ddfa8

 2706 21:37:49.284891  <0>[   80.077735] dfa0: c03000c0 c059c3dc 0000000a 0000000a 00000001 b6ddc000 0000000a 00000000

 2707 21:37:49.331454  <0>[   80.086185] dfc0: 0000000a 0000000a b6f23e00 00000004 00000001 00000000 00020000 bec9bac4

 2708 21:37:49.332015  <0>[   80.094634] dfe0: 00000004 bec9b7f8 b6e8dd8f b6e147e6 800e0030 00000001 00000000 00000000

 2709 21:37:49.332395  <0>[   80.103077] Backtrace: 

 2710 21:37:49.332745  <0>[   80.105810] [<c13cb910>] (execute_location) from [<c13cbbc0>] (lkdtm_EXEC_NULL+0x20/0x24)

 2711 21:37:49.333077  <0>[   80.114263]  r7:c68ddf60 r6:0000000a r5:c688f000 r4:00000025

 2712 21:37:49.333408  <0>[   80.120204] [<c13cbba0>] (lkdtm_EXEC_NULL) from [<c0c584e8>] (lkdtm_do_action+0x2c/0x4c)

 2713 21:37:49.375242  <0>[   80.128572] [<c0c584bc>] (lkdtm_do_action) from [<c0c589e8>] (direct_entry+0x120/0x18c)

 2714 21:37:49.375794  <0>[   80.136858] [<c0c588c8>] (direct_entry) from [<c07e211c>] (full_proxy_write+0x64/0x94)

 2715 21:37:49.376168  <0>[   80.145049]  r9:c68ddf60 r8:c517a780 r7:0000000a r6:b6ddc000 r5:c68d7540 r4:c0c588c8

 2716 21:37:49.376520  <0>[   80.153073] [<c07e20b8>] (full_proxy_write) from [<c059bdac>] (vfs_write+0x10c/0x53c)

 2717 21:37:49.376855  <0>[   80.161176]  r9:c07e20b8 r8:c68ddf60 r7:c290d000 r6:b6ddc000 r5:c68d7540 r4:00000000

 2718 21:37:49.419398  <0>[   80.169192] [<c059bca0>] (vfs_write) from [<c059c358>] (ksys_write+0x74/0xec)

 2719 21:37:49.419954  <0>[   80.176600]  r10:00000004 r9:00000000 r8:00000000 r7:b6ddc000 r6:c68dc000 r5:c68d7540

 2720 21:37:49.420333  <0>[   80.184697]  r4:c68d7540

 2721 21:37:49.420678  <0>[   80.187506] [<c059c2e4>] (ksys_write) from [<c059c3e8>] (sys_write+0x18/0x1c)

 2722 21:37:49.421013  <0>[   80.194913]  r9:c68dc000 r8:c03002e4 r7:00000004 r6:b6f23e00 r5:0000000a r4:0000000a

 2723 21:37:49.421345  <0>[   80.202933] [<c059c3d0>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 2724 21:37:49.421668  <0>[   80.210771] Exception stack(0xc68ddfa8 to 0xc68ddff0)

 2725 21:37:49.463220  <0>[   80.216095] dfa0:                   0000000a 0000000a 00000001 b6ddc000 0000000a 00000000

 2726 21:37:49.463374  <0>[   80.224545] dfc0: 0000000a 0000000a b6f23e00 00000004 00000001 00000000 00020000 bec9bac4

 2727 21:37:49.463477  <0>[   80.232992] dfe0: 00000004 bec9b7f8 b6e8dd8f b6e147e6

 2728 21:37:49.463538  <0>[   80.238317] Code: bad PC value

 2729 21:37:49.463633  <4>[   80.241696] ---[ end trace c25e2e226ccb702f ]---

 2730 21:37:49.463689  # Segmentation fault

 2731 21:37:49.663208  # [   79.828777] lkdtm: Performing direct entry EXEC_NULL

 2732 21:37:49.663376  # [   79.834123] lkdtm: attempting ok execution at c0c59258

 2733 21:37:49.663461  # [   79.839537] lkdtm: attempting bad execution at 00000000

 2734 21:37:49.663537  # [   79.845156] 8<--- cut here ---

 2735 21:37:49.663608  # [   79.848513] Unable to handle kernel NULL pointer dereference at virtual address 00000000

 2736 21:37:49.663683  # [   79.857003] pgd = d9b9e464

 2737 21:37:49.663753  # [   79.860025] [00000000] *pgd=00000000

 2738 21:37:49.663822  # [   79.863900] Internal error: Oops: 80000005 [#9] SMP ARM

 2739 21:37:49.707171  # [   79.869396] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3

 2740 21:37:49.707615  # [   79.898730] CPU: 0 PID: 2179 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 2741 21:37:49.707955  # [   79.906741] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 2742 21:37:49.708274  # [   79.913543] PC is at 0x0

 2743 21:37:49.751272  # [   79.916357] LR is at execute_location+0xa4/0xb4

 2744 21:37:49.751875  # [   79.921157] pc : [<00000000>]    lr : [<c13cb9b4>]    psr: 600e0013

 2745 21:37:49.752270  # [   79.927691] sp : c68dde38  ip : c68ddd40  fp : c68dde54

 2746 21:37:49.752622  # [   79.933184] r10: 0000000a  r9 : c1ad5e54  r8 : c15ebd54

 2747 21:37:49.752959  # [   79.938677] r7 : c68ddf60  r6 : 00000000  r5 : 00000000  r4 : c0c59258

 2748 21:37:49.753289  # [   79.945473] r3 : 5c7c1bcc  r2 : 5c7c1bcc  r1 : ef7815e0  r0 : 0000002b

 2749 21:37:49.753689  # [   79.952271] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 2750 21:37:49.795425  # [   79.959676] Control: 10c5387d  Table: 16c4804a  DAC: 00000051

 2751 21:37:49.795999  # [   79.965691] Process cat (pid: 2179, stack limit = 0x1a5696ac)

 2752 21:37:49.796387  # [   79.971706] Stack: (0xc68dde38 to 0xc68de000)

 2753 21:37:49.796733  # [   79.976334] de20:                                                       00000025 c688f000

 2754 21:37:49.797064  # [   79.984787] de40: 0000000a c68ddf60 c68dde64 c68dde58 c13cbbc0 c13cb91c c68dde74 c68dde68

 2755 21:37:49.797389  # [   79.993236] de60: c0c584e8 c13cbbac c68dde9c c68dde78 c0c589e8 c0c584c8 c0c588c8 c68d7540

 2756 21:37:49.839259  # [   80.001687] de80: b6ddc000 0000000a c517a780 c68ddf60 c68ddec4 c68ddea0 c07e211c c0c588d4

 2757 21:37:49.839798  # [   80.010138] dea0: 00000000 c68d7540 b6ddc000 c290d000 c68ddf60 c07e20b8 c68ddf5c c68ddec8

 2758 21:37:49.840168  # [   80.018589] dec0: c059bdac c07e20c4 00000001 00000000 c059c358 c13e0f18 c059c358 c68dc000

 2759 21:37:49.840513  # [   80.027040] dee0: b6ddc000 00020000 00000004 0000000a 0001fff6 c68ddee0 00000001 b6ddb000

 2760 21:37:49.840846  # [   80.035488] df00: c414ac80 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 2761 21:37:49.883305  # [   80.043938] df20: 00000000 00000000 c13e0f18 5c7c1bcc c206c0e0 c68d7540 c68d7540 c68dc000

 2762 21:37:49.883868  # [   80.052388] df40: b6ddc000 00000000 00000000 00000004 c68ddf94 c68ddf60 c059c358 c059bcac

 2763 21:37:49.884242  # [   80.060836] df60: 00000000 00000000 c68ddfac 5c7c1bcc 0000000a 0000000a b6f23e00 00000004

 2764 21:37:49.884589  # [   80.069287] df80: c03002e4 c68dc000 c68ddfa4 c68ddf98 c059c3e8 c059c2f0 00000000 c68ddfa8

 2765 21:37:49.884924  # [   80.077735] dfa0: c03000c0 c059c3dc 0000000a 0000000a 00000001 b6ddc000 0000000a 00000000

 2766 21:37:49.927270  # [   80.086185] dfc0: 0000000a 0000000a b6f23e00 00000004 00000001 00000000 00020000 bec9bac4

 2767 21:37:49.927825  # [   80.094634] dfe0: 00000004 bec9b7f8 b6e8dd8f b6e147e6 800e0030 00000001 00000000 00000000

 2768 21:37:49.928199  # [   80.103077] Backtrace: 

 2769 21:37:49.928541  # [   80.105810] [<c13cb910>] (execute_location) from [<c13cbbc0>] (lkdtm_EXEC_NULL+0x20/0x24)

 2770 21:37:49.928873  # [   80.114263]  r7:c68ddf60 r6:0000000a r5:c688f000 r4:00000025

 2771 21:37:49.929199  # [   80.120204] [<c13cbba0>] (lkdtm_EXEC_NULL) from [<c0c584e8>] (lkdtm_do_action+0x2c/0x4c)

 2772 21:37:49.971419  # [   80.128572] [<c0c584bc>] (lkdtm_do_action) from [<c0c589e8>] (direct_entry+0x120/0x18c)

 2773 21:37:49.971981  # [   80.136858] [<c0c588c8>] (direct_entry) from [<c07e211c>] (full_proxy_write+0x64/0x94)

 2774 21:37:49.972360  # [   80.145049]  r9:c68ddf60 r8:c517a780 r7:0000000a r6:b6ddc000 r5:c68d7540 r4:c0c588c8

 2775 21:37:49.972708  # [   80.153073] [<c07e20b8>] (full_proxy_write) from [<c059bdac>] (vfs_write+0x10c/0x53c)

 2776 21:37:49.973043  # [   80.161176]  r9:c07e20b8 r8:c68ddf60 r7:c290d000 r6:b6ddc000 r5:c68d7540 r4:00000000

 2777 21:37:49.973372  # [   80.169192] [<c059bca0>] (vfs_write) from [<c059c358>] (ksys_write+0x74/0xec)

 2778 21:37:50.015413  # [   80.176600]  r10:00000004 r9:00000000 r8:00000000 r7:b6ddc000 r6:c68dc000 r5:c68d7540

 2779 21:37:50.015979  # [   80.184697]  r4:c68d7540

 2780 21:37:50.016354  # [   80.187506] [<c059c2e4>] (ksys_write) from [<c059c3e8>] (sys_write+0x18/0x1c)

 2781 21:37:50.016706  # [   80.194913]  r9:c68dc000 r8:c03002e4 r7:00000004 r6:b6f23e00 r5:0000000a r4:0000000a

 2782 21:37:50.017043  # [   80.202933] [<c059c3d0>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 2783 21:37:50.017371  # [   80.210771] Exception stack(0xc68ddfa8 to 0xc68ddff0)

 2784 21:37:50.059417  # [   80.216095] dfa0:                   0000000a 0000000a 00000001 b6ddc000 0000000a 00000000

 2785 21:37:50.059986  # [   80.224545] dfc0: 0000000a 0000000a b6f23e00 00000004 00000001 00000000 00020000 bec9bac4

 2786 21:37:50.060366  # [   80.232992] dfe0: 00000004 bec9b7f8 b6e8dd8f b6e147e6

 2787 21:37:50.060712  # [   80.238317] Code: bad PC value

 2788 21:37:50.061043  # [   80.241696] ---[ end trace c25e2e226ccb702f ]---

 2789 21:37:50.061368  # EXEC_NULL: missing 'call trace:': [FAIL]

 2790 21:37:50.061685  not ok 36 selftests: lkdtm: EXEC_NULL.sh # exit=1

 2791 21:37:50.062005  # selftest<6>[   80.845287] lkdtm: Performing direct entry ACCESS_USERSPACE

 2792 21:37:50.062317  s: lkdtm: ACCESS_USERSPACE.sh

 2793 21:37:50.103286  <6>[   80.851851] lkdtm: attempting bad read at b6fa6000

 2794 21:37:50.103848  <1>[   80.859428] 8<--- cut here ---

 2795 21:37:50.104230  <1>[   80.862762] Unhandled fault: page domain fault (0x01b) at 0xb6fa6000

 2796 21:37:50.104581  <1>[   80.869386] pgd = b356b5e4

 2797 21:37:50.104916  <1>[   80.872361] [b6fa6000] *pgd=49ff0831

 2798 21:37:50.105245  <0>[   80.876217] Internal error: : 1b [#10] SMP ARM

 2799 21:37:50.147213  <4>[   80.880931] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3

 2800 21:37:50.147790  <4>[   80.910263] CPU: 2 PID: 2256 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 2801 21:37:50.148182  <4>[   80.918277] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 2802 21:37:50.148535  <4>[   80.925086] PC is at lkdtm_ACCESS_USERSPACE+0x114/0x16c

 2803 21:37:50.148872  <4>[   80.930583] LR is at 0x0

 2804 21:37:50.149196  <4>[   80.933386] pc : [<c0c594d0>]    lr : [<00000000>]    psr: 600e0013

 2805 21:37:50.191459  <4>[   80.939922] sp : c68f9e38  ip : 00000027  fp : c68f9e64

 2806 21:37:50.192027  <4>[   80.945414] r10: 00000011  r9 : c1ad5e60  r8 : c15ebd54

 2807 21:37:50.192408  <4>[   80.950908] r7 : c68f9f60  r6 : 00000051  r5 : c68f8000  r4 : b6fa6000

 2808 21:37:50.192758  <4>[   80.957703] r3 : ec367f7e  r2 : ec367f7e  r1 : ef7ab5e4  r0 : 00000026

 2809 21:37:50.193090  <4>[   80.964500] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 2810 21:37:50.193421  <4>[   80.971905] Control: 10c5387d  Table: 146e004a  DAC: 00000051

 2811 21:37:50.193746  <0>[   80.977920] Process cat (pid: 2256, stack limit = 0x33852e66)

 2812 21:37:50.235509  <0>[   80.983936] Stack: (0xc68f9e38 to 0xc68fa000)

 2813 21:37:50.236071  <0>[   80.988564] 9e20:                                                       00000022 00000000

 2814 21:37:50.236454  <0>[   80.997016] 9e40: 00000000 ec367f7e c68f9e6c 00000026 c6a83000 00000011 c68f9e74 c68f9e68

 2815 21:37:50.236805  <0>[   81.005468] 9e60: c0c584e8 c0c593c8 c68f9e9c c68f9e78 c0c589e8 c0c584c8 c0c588c8 c414a280

 2816 21:37:50.237139  <0>[   81.013917] 9e80: b6e60000 00000011 c517a780 c68f9f60 c68f9ec4 c68f9ea0 c07e211c c0c588d4

 2817 21:37:50.279474  <0>[   81.022366] 9ea0: 00000000 c414a280 b6e60000 c290d000 c68f9f60 c07e20b8 c68f9f5c c68f9ec8

 2818 21:37:50.280045  <0>[   81.030815] 9ec0: c059bdac c07e20c4 00000001 00000000 c059c358 c13e0f18 c059c358 c68f8000

 2819 21:37:50.280428  <0>[   81.039264] 9ee0: b6e60000 00020000 00000004 00000011 0001ffef c68f9ee0 00000001 b6e5f000

 2820 21:37:50.280776  <0>[   81.047712] 9f00: c4306b40 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 2821 21:37:50.281109  <0>[   81.056162] 9f20: 00000000 00000000 c13e0f18 ec367f7e c206c0e0 c414a280 c414a280 c68f8000

 2822 21:37:50.281437  <0>[   81.064610] 9f40: b6e60000 00000000 00000000 00000004 c68f9f94 c68f9f60 c059c358 c059bcac

 2823 21:37:50.323506  <0>[   81.073060] 9f60: 00000000 00000000 c68f9fac ec367f7e 00000011 00000011 b6fa7e00 00000004

 2824 21:37:50.324076  <0>[   81.081510] 9f80: c03002e4 c68f8000 c68f9fa4 c68f9f98 c059c3e8 c059c2f0 00000000 c68f9fa8

 2825 21:37:50.324458  <0>[   81.089960] 9fa0: c03000c0 c059c3dc 00000011 00000011 00000001 b6e60000 00000011 00000000

 2826 21:37:50.324808  <0>[   81.098409] 9fc0: 00000011 00000011 b6fa7e00 00000004 00000001 00000000 00020000 beff1ac4

 2827 21:37:50.325144  <0>[   81.106857] 9fe0: 00000004 beff17f8 b6f11d8f b6e987e6 800e0030 00000001 00000000 00000000

 2828 21:37:50.367435  <0>[   81.115299] Backtrace: 

 2829 21:37:50.368035  <0>[   81.118030] [<c0c593bc>] (lkdtm_ACCESS_USERSPACE) from [<c0c584e8>] (lkdtm_do_action+0x2c/0x4c)

 2830 21:37:50.368432  <0>[   81.127000]  r6:00000011 r5:c6a83000 r4:00000026

 2831 21:37:50.368779  <0>[   81.131895] [<c0c584bc>] (lkdtm_do_action) from [<c0c589e8>] (direct_entry+0x120/0x18c)

 2832 21:37:50.369112  <0>[   81.140182] [<c0c588c8>] (direct_entry) from [<c07e211c>] (full_proxy_write+0x64/0x94)

 2833 21:37:50.369441  <0>[   81.148374]  r9:c68f9f60 r8:c517a780 r7:00000011 r6:b6e60000 r5:c414a280 r4:c0c588c8

 2834 21:37:50.411450  <0>[   81.156400] [<c07e20b8>] (full_proxy_write) from [<c059bdac>] (vfs_write+0x10c/0x53c)

 2835 21:37:50.412020  <0>[   81.164503]  r9:c07e20b8 r8:c68f9f60 r7:c290d000 r6:b6e60000 r5:c414a280 r4:00000000

 2836 21:37:50.412406  <0>[   81.172519] [<c059bca0>] (vfs_write) from [<c059c358>] (ksys_write+0x74/0xec)

 2837 21:37:50.412760  <0>[   81.179929]  r10:00000004 r9:00000000 r8:00000000 r7:b6e60000 r6:c68f8000 r5:c414a280

 2838 21:37:50.413097  <0>[   81.188026]  r4:c414a280

 2839 21:37:50.413422  <0>[   81.190834] [<c059c2e4>] (ksys_write) from [<c059c3e8>] (sys_write+0x18/0x1c)

 2840 21:37:50.455364  <0>[   81.198241]  r9:c68f8000 r8:c03002e4 r7:00000004 r6:b6fa7e00 r5:00000011 r4:00000011

 2841 21:37:50.456030  <0>[   81.206263] [<c059c3d0>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 2842 21:37:50.456418  <0>[   81.214099] Exception stack(0xc68f9fa8 to 0xc68f9ff0)

 2843 21:37:50.456793  <0>[   81.219423] 9fa0:                   00000011 00000011 00000001 b6e60000 00000011 00000000

 2844 21:37:50.457171  <0>[   81.227872] 9fc0: 00000011 00000011 b6fa7e00 00000004 00000001 00000000 00020000 beff1ac4

 2845 21:37:50.457506  <0>[   81.236318] 9fe0: 00000004 beff17f8 b6f11d8f b6e987e6

 2846 21:37:50.499223  <0>[   81.241644] Code: e1a01004 e3060d84 e34c01ad eb1d9d8d (e5943000) 

 2847 21:37:50.499649  <4>[   81.248012] ---[ end trace c25e2e226ccb7030 ]---

 2848 21:37:50.499985  # Segmentation fault

 2849 21:37:50.608591  # [   80.845287] lkdtm: Performing direct entry ACCESS_USERSPACE

 2850 21:37:50.609104  # [   80.851851] lkdtm: attempting bad read at b6fa6000

 2851 21:37:50.609446  # [   80.859428] 8<--- cut here ---

 2852 21:37:50.609759  # [   80.862762] Unhandled fault: page domain fault (0x01b) at 0xb6fa6000

 2853 21:37:50.610059  # [   80.869386] pgd = b356b5e4

 2854 21:37:50.610352  # [   80.872361] [b6fa6000] *pgd=49ff0831

 2855 21:37:50.610640  # [   80.876217] Internal error: : 1b [#10] SMP ARM

 2856 21:37:50.651970  # [   80.880931] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3

 2857 21:37:50.652413  # [   80.910263] CPU: 2 PID: 2256 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 2858 21:37:50.652755  # [   80.918277] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 2859 21:37:50.653072  # [   80.925086] PC is at lkdtm_ACCESS_USERSPACE+0x114/0x16c

 2860 21:37:50.653373  # [   80.930583] LR is at 0x0

 2861 21:37:50.699144  # [   80.933386] pc : [<c0c594d0>]    lr : [<00000000>]    psr: 600e0013

 2862 21:37:50.699572  # [   80.939922] sp : c68f9e38  ip : 00000027  fp : c68f9e64

 2863 21:37:50.699905  # [   80.945414] r10: 00000011  r9 : c1ad5e60  r8 : c15ebd54

 2864 21:37:50.700217  # [   80.950908] r7 : c68f9f60  r6 : 00000051  r5 : c68f8000  r4 : b6fa6000

 2865 21:37:50.700517  # [   80.957703] r3 : ec367f7e  r2 : ec367f7e  r1 : ef7ab5e4  r0 : 00000026

 2866 21:37:50.700874  # [   80.964500] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 2867 21:37:50.701177  # [   80.971905] Control: 10c5387d  Table: 146e004a  DAC: 00000051

 2868 21:37:50.743206  # [   80.977920] Process cat (pid: 2256, stack limit = 0x33852e66)

 2869 21:37:50.743653  # [   80.983936] Stack: (0xc68f9e38 to 0xc68fa000)

 2870 21:37:50.743997  # [   80.988564] 9e20:                                                       00000022 00000000

 2871 21:37:50.744333  # [   80.997016] 9e40: 00000000 ec367f7e c68f9e6c 00000026 c6a83000 00000011 c68f9e74 c68f9e68

 2872 21:37:50.744650  # [   81.005468] 9e60: c0c584e8 c0c593c8 c68f9e9c c68f9e78 c0c589e8 c0c584c8 c0c588c8 c414a280

 2873 21:37:50.744975  # [   81.013917] 9e80: b6e60000 00000011 c517a780 c68f9f60 c68f9ec4 c68f9ea0 c07e211c c0c588d4

 2874 21:37:50.787164  # [   81.022366] 9ea0: 00000000 c414a280 b6e60000 c290d000 c68f9f60 c07e20b8 c68f9f5c c68f9ec8

 2875 21:37:50.787594  # [   81.030815] 9ec0: c059bdac c07e20c4 00000001 00000000 c059c358 c13e0f18 c059c358 c68f8000

 2876 21:37:50.787931  # [   81.039264] 9ee0: b6e60000 00020000 00000004 00000011 0001ffef c68f9ee0 00000001 b6e5f000

 2877 21:37:50.788247  # [   81.047712] 9f00: c4306b40 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 2878 21:37:50.788546  # [   81.056162] 9f20: 00000000 00000000 c13e0f18 ec367f7e c206c0e0 c414a280 c414a280 c68f8000

 2879 21:37:50.831218  # [   81.064610] 9f40: b6e60000 00000000 00000000 00000004 c68f9f94 c68f9f60 c059c358 c059bcac

 2880 21:37:50.831644  # [   81.073060] 9f60: 00000000 00000000 c68f9fac ec367f7e 00000011 00000011 b6fa7e00 00000004

 2881 21:37:50.831984  # [   81.081510] 9f80: c03002e4 c68f8000 c68f9fa4 c68f9f98 c059c3e8 c059c2f0 00000000 c68f9fa8

 2882 21:37:50.832301  # [   81.089960] 9fa0: c03000c0 c059c3dc 00000011 00000011 00000001 b6e60000 00000011 00000000

 2883 21:37:50.832606  # [   81.098409] 9fc0: 00000011 00000011 b6fa7e00 00000004 00000001 00000000 00020000 beff1ac4

 2884 21:37:50.879260  # [   81.106857] 9fe0: 00000004 beff17f8 b6f11d8f b6e987e6 800e0030 00000001 00000000 00000000

 2885 21:37:50.879819  # [   81.115299] Backtrace: 

 2886 21:37:50.880195  # [   81.118030] [<c0c593bc>] (lkdtm_ACCESS_USERSPACE) from [<c0c584e8>] (lkdtm_do_action+0x2c/0x4c)

 2887 21:37:50.880548  # [   81.127000]  r6:00000011 r5:c6a83000 r4:00000026

 2888 21:37:50.880881  # [   81.131895] [<c0c584bc>] (lkdtm_do_action) from [<c0c589e8>] (direct_entry+0x120/0x18c)

 2889 21:37:50.881212  # [   81.140182] [<c0c588c8>] (direct_entry) from [<c07e211c>] (full_proxy_write+0x64/0x94)

 2890 21:37:50.923273  # [   81.148374]  r9:c68f9f60 r8:c517a780 r7:00000011 r6:b6e60000 r5:c414a280 r4:c0c588c8

 2891 21:37:50.923839  # [   81.156400] [<c07e20b8>] (full_proxy_write) from [<c059bdac>] (vfs_write+0x10c/0x53c)

 2892 21:37:50.924214  # [   81.164503]  r9:c07e20b8 r8:c68f9f60 r7:c290d000 r6:b6e60000 r5:c414a280 r4:00000000

 2893 21:37:50.924562  # [   81.172519] [<c059bca0>] (vfs_write) from [<c059c358>] (ksys_write+0x74/0xec)

 2894 21:37:50.924894  # [   81.179929]  r10:00000004 r9:00000000 r8:00000000 r7:b6e60000 r6:c68f8000 r5:c414a280

 2895 21:37:50.925217  # [   81.188026]  r4:c414a280

 2896 21:37:50.925536  # [   81.190834] [<c059c2e4>] (ksys_write) from [<c059c3e8>] (sys_write+0x18/0x1c)

 2897 21:37:50.967301  # [   81.198241]  r9:c68f8000 r8:c03002e4 r7:00000004 r6:b6fa7e00 r5:00000011 r4:00000011

 2898 21:37:50.967872  # [   81.206263] [<c059c3d0>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 2899 21:37:50.968322  # [   81.214099] Exception stack(0xc68f9fa8 to 0xc68f9ff0)

 2900 21:37:50.968689  # [   81.219423] 9fa0:                   00000011 00000011 00000001 b6e60000 00000011 00000000

 2901 21:37:50.969028  # [   81.227872] 9fc0: 00000011 00000011 b6fa7e00 00000004 00000001 00000000 00020000 beff1ac4

 2902 21:37:50.969358  # [   81.236318] 9fe0: 00000004 beff17f8 b6f11d8f b6e987e6

 2903 21:37:51.011313  # [   81.241644] Code: e1a01004 e3060d84 e34c01ad eb1d9d8d (e5943000) 

 2904 21:37:51.011881  # [   81.248012] ---[ end trace c25e2e226ccb7030 ]---

 2905 21:37:51.012259  # ACCESS_USERSPACE: missing 'call trace:': [FAIL]

 2906 21:37:51.012606  not ok 37 selftests: lkdtm: ACCESS_USERSPACE.sh # exit=1

 2907 21:37:51.012945  # selftests: lkdtm: ACCESS_NULL.sh

 2908 21:37:51.082964  <6>[   81.841057] lkdtm: Performing direct entry ACCESS_NULL

 2909 21:37:51.083523  <6>[   81.846484] lkdtm: attempting bad read at 00000000

 2910 21:37:51.083903  <1>[   81.851640] 8<--- cut here ---

 2911 21:37:51.084253  <1>[   81.855213] Unable to handle kernel NULL pointer dereference at virtual address 00000000

 2912 21:37:51.084591  <1>[   81.864732] pgd = d9b9e464

 2913 21:37:51.084918  <1>[   81.867731] [00000000] *pgd=00000000

 2914 21:37:51.085243  <0>[   81.871642] Internal error: Oops: 5 [#11] SMP ARM

 2915 21:37:51.126260  <4>[   81.876619] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3

 2916 21:37:51.126875  <4>[   81.905958] CPU: 0 PID: 2332 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 2917 21:37:51.127260  <4>[   81.913971] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 2918 21:37:51.127612  <4>[   81.920779] PC is at lkdtm_ACCESS_NULL+0x28/0x68

 2919 21:37:51.127942  <4>[   81.925679] LR is at __irq_work_queue_local+0x40/0x74

 2920 21:37:51.169664  <4>[   81.931000] pc : [<c13cbbec>]    lr : [<c049ddf8>]    psr: 600e0013

 2921 21:37:51.170230  <4>[   81.937534] sp : c681de50  ip : c681dd58  fp : c681de64

 2922 21:37:51.170607  <4>[   81.943026] r10: 0000000c  r9 : c1ad5e74  r8 : c15ebd54

 2923 21:37:51.171045  <4>[   81.948519] r7 : c681df60  r6 : 0000000c  r5 : c688f000  r4 : 00000000

 2924 21:37:51.171394  <4>[   81.955314] r3 : 3b9356d7  r2 : 3b9356d7  r1 : ef7815e0  r0 : 00000026

 2925 21:37:51.171724  <4>[   81.962111] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 2926 21:37:51.212873  <4>[   81.969516] Control: 10c5387d  Table: 16c4804a  DAC: 00000051

 2927 21:37:51.213437  <0>[   81.975531] Process cat (pid: 2332, stack limit = 0x28971e08)

 2928 21:37:51.213812  <0>[   81.981546] Stack: (0xc681de50 to 0xc681e000)

 2929 21:37:51.214159  <0>[   81.986176] de40:                                     00000027 c688f000 c681de74 c681de68

 2930 21:37:51.214498  <0>[   81.994627] de60: c0c584e8 c13cbbd0 c681de9c c681de78 c0c589e8 c0c584c8 c0c588c8 c6813680

 2931 21:37:51.214868  <0>[   82.003078] de80: b6e61000 0000000c c517a780 c681df60 c681dec4 c681dea0 c07e211c c0c588d4

 2932 21:37:51.255693  <0>[   82.011527] dea0: 00000000 c6813680 b6e61000 c290d000 c681df60 c07e20b8 c681df5c c681dec8

 2933 21:37:51.256249  <0>[   82.019977] dec0: c059bdac c07e20c4 00000001 00000000 c059c358 c13e0f18 c059c358 c681c000

 2934 21:37:51.256628  <0>[   82.028426] dee0: b6e61000 00020000 00000004 0000000c 0001fff4 c681dee0 00000001 b6e60000

 2935 21:37:51.256977  <0>[   82.036874] df00: c4394780 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 2936 21:37:51.257311  <0>[   82.045324] df20: 00000000 00000000 c13e0f18 3b9356d7 c206c0e0 c6813680 c6813680 c681c000

 2937 21:37:51.299445  <0>[   82.053773] df40: b6e61000 00000000 00000000 00000004 c681df94 c681df60 c059c358 c059bcac

 2938 21:37:51.300012  <0>[   82.062223] df60: 00000000 00000000 c681dfac 3b9356d7 0000000c 0000000c b6fa8e00 00000004

 2939 21:37:51.300391  <0>[   82.070674] df80: c03002e4 c681c000 c681dfa4 c681df98 c059c3e8 c059c2f0 00000000 c681dfa8

 2940 21:37:51.300742  <0>[   82.079123] dfa0: c03000c0 c059c3dc 0000000c 0000000c 00000001 b6e61000 0000000c 00000000

 2941 21:37:51.301077  <0>[   82.087573] dfc0: 0000000c 0000000c b6fa8e00 00000004 00000001 00000000 00020000 be8e7ac4

 2942 21:37:51.301405  <0>[   82.096023] dfe0: 00000004 be8e77f8 b6f12d8f b6e997e6 800e0030 00000001 00000000 00000000

 2943 21:37:51.343325  <0>[   82.104464] Backtrace: 

 2944 21:37:51.343883  <0>[   82.107202] [<c13cbbc4>] (lkdtm_ACCESS_NULL) from [<c0c584e8>] (lkdtm_do_action+0x2c/0x4c)

 2945 21:37:51.344268  <0>[   82.115736]  r5:c688f000 r4:00000027

 2946 21:37:51.344614  <0>[   82.119587] [<c0c584bc>] (lkdtm_do_action) from [<c0c589e8>] (direct_entry+0x120/0x18c)

 2947 21:37:51.344950  <0>[   82.127873] [<c0c588c8>] (direct_entry) from [<c07e211c>] (full_proxy_write+0x64/0x94)

 2948 21:37:51.345276  <0>[   82.136065]  r9:c681df60 r8:c517a780 r7:0000000c r6:b6e61000 r5:c6813680 r4:c0c588c8

 2949 21:37:51.387280  <0>[   82.144091] [<c07e20b8>] (full_proxy_write) from [<c059bdac>] (vfs_write+0x10c/0x53c)

 2950 21:37:51.387842  <0>[   82.152194]  r9:c07e20b8 r8:c681df60 r7:c290d000 r6:b6e61000 r5:c6813680 r4:00000000

 2951 21:37:51.388219  <0>[   82.160211] [<c059bca0>] (vfs_write) from [<c059c358>] (ksys_write+0x74/0xec)

 2952 21:37:51.388567  <0>[   82.167618]  r10:00000004 r9:00000000 r8:00000000 r7:b6e61000 r6:c681c000 r5:c6813680

 2953 21:37:51.388899  <0>[   82.175714]  r4:c6813680

 2954 21:37:51.389226  <0>[   82.178523] [<c059c2e4>] (ksys_write) from [<c059c3e8>] (sys_write+0x18/0x1c)

 2955 21:37:51.431400  <0>[   82.185930]  r9:c681c000 r8:c03002e4 r7:00000004 r6:b6fa8e00 r5:0000000c r4:0000000c

 2956 21:37:51.431967  <0>[   82.193951] [<c059c3d0>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 2957 21:37:51.432355  <0>[   82.201789] Exception stack(0xc681dfa8 to 0xc681dff0)

 2958 21:37:51.432703  <0>[   82.207112] dfa0:                   0000000c 0000000c 00000001 b6e61000 0000000c 00000000

 2959 21:37:51.433037  <0>[   82.215562] dfc0: 0000000c 0000000c b6fa8e00 00000004 00000001 00000000 00020000 be8e7ac4

 2960 21:37:51.433369  <0>[   82.224007] dfe0: 00000004 be8e77f8 b6f12d8f b6e997e6

 2961 21:37:51.474977  <0>[   82.229332] Code: e3060d84 e34c01ad e1a01004 ebffd3c6 (e5945000) 

 2962 21:37:51.475133  <4>[   82.235741] ---[ end trace c25e2e226ccb7031 ]---

 2963 21:37:51.475199  # Segmentation fault

 2964 21:37:51.654528  # [   81.841057] lkdtm: Performing direct entry ACCESS_NULL

 2965 21:37:51.654671  # [   81.846484] lkdtm: attempting bad read at 00000000

 2966 21:37:51.654774  # [   81.851640] 8<--- cut here ---

 2967 21:37:51.654875  # [   81.855213] Unable to handle kernel NULL pointer dereference at virtual address 00000000

 2968 21:37:51.654938  # [   81.864732] pgd = d9b9e464

 2969 21:37:51.654997  # [   81.867731] [00000000] *pgd=00000000

 2970 21:37:51.655055  # [   81.871642] Internal error: Oops: 5 [#11] SMP ARM

 2971 21:37:51.697416  # [   81.876619] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3

 2972 21:37:51.697531  # [   81.905958] CPU: 0 PID: 2332 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 2973 21:37:51.697631  # [   81.913971] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 2974 21:37:51.697724  # [   81.920779] PC is at lkdtm_ACCESS_NULL+0x28/0x68

 2975 21:37:51.740686  # [   81.925679] LR is at __irq_work_queue_local+0x40/0x74

 2976 21:37:51.740768  # [   81.931000] pc : [<c13cbbec>]    lr : [<c049ddf8>]    psr: 600e0013

 2977 21:37:51.740834  # [   81.937534] sp : c681de50  ip : c681dd58  fp : c681de64

 2978 21:37:51.740896  # [   81.943026] r10: 0000000c  r9 : c1ad5e74  r8 : c15ebd54

 2979 21:37:51.740977  # [   81.948519] r7 : c681df60  r6 : 0000000c  r5 : c688f000  r4 : 00000000

 2980 21:37:51.741065  # [   81.955314] r3 : 3b9356d7  r2 : 3b9356d7  r1 : ef7815e0  r0 : 00000026

 2981 21:37:51.741154  # [   81.962111] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 2982 21:37:51.783610  # [   81.969516] Control: 10c5387d  Table: 16c4804a  DAC: 00000051

 2983 21:37:51.783714  # [   81.975531] Process cat (pid: 2332, stack limit = 0x28971e08)

 2984 21:37:51.783794  # [   81.981546] Stack: (0xc681de50 to 0xc681e000)

 2985 21:37:51.783869  # [   81.986176] de40:                                     00000027 c688f000 c681de74 c681de68

 2986 21:37:51.783942  # [   81.994627] de60: c0c584e8 c13cbbd0 c681de9c c681de78 c0c589e8 c0c584c8 c0c588c8 c6813680

 2987 21:37:51.784015  # [   82.003078] de80: b6e61000 0000000c c517a780 c681df60 c681dec4 c681dea0 c07e211c c0c588d4

 2988 21:37:51.827203  # [   82.011527] dea0: 00000000 c6813680 b6e61000 c290d000 c681df60 c07e20b8 c681df5c c681dec8

 2989 21:37:51.827690  # [   82.019977] dec0: c059bdac c07e20c4 00000001 00000000 c059c358 c13e0f18 c059c358 c681c000

 2990 21:37:51.828004  # [   82.028426] dee0: b6e61000 00020000 00000004 0000000c 0001fff4 c681dee0 00000001 b6e60000

 2991 21:37:51.828322  # [   82.036874] df00: c4394780 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 2992 21:37:51.828608  # [   82.045324] df20: 00000000 00000000 c13e0f18 3b9356d7 c206c0e0 c6813680 c6813680 c681c000

 2993 21:37:51.871197  # [   82.053773] df40: b6e61000 00000000 00000000 00000004 c681df94 c681df60 c059c358 c059bcac

 2994 21:37:51.871799  # [   82.062223] df60: 00000000 00000000 c681dfac 3b9356d7 0000000c 0000000c b6fa8e00 00000004

 2995 21:37:51.872219  # [   82.070674] df80: c03002e4 c681c000 c681dfa4 c681df98 c059c3e8 c059c2f0 00000000 c681dfa8

 2996 21:37:51.872576  # [   82.079123] dfa0: c03000c0 c059c3dc 0000000c 0000000c 00000001 b6e61000 0000000c 00000000

 2997 21:37:51.872957  # [   82.087573] dfc0: 0000000c 0000000c b6fa8e00 00000004 00000001 00000000 00020000 be8e7ac4

 2998 21:37:51.873289  # [   82.096023] dfe0: 00000004 be8e77f8 b6f12d8f b6e997e6 800e0030 00000001 00000000 00000000

 2999 21:37:51.915274  # [   82.104464] Backtrace: 

 3000 21:37:51.915836  # [   82.107202] [<c13cbbc4>] (lkdtm_ACCESS_NULL) from [<c0c584e8>] (lkdtm_do_action+0x2c/0x4c)

 3001 21:37:51.916222  # [   82.115736]  r5:c688f000 r4:00000027

 3002 21:37:51.916568  # [   82.119587] [<c0c584bc>] (lkdtm_do_action) from [<c0c589e8>] (direct_entry+0x120/0x18c)

 3003 21:37:51.916903  # [   82.127873] [<c0c588c8>] (direct_entry) from [<c07e211c>] (full_proxy_write+0x64/0x94)

 3004 21:37:51.917231  # [   82.136065]  r9:c681df60 r8:c517a780 r7:0000000c r6:b6e61000 r5:c6813680 r4:c0c588c8

 3005 21:37:51.959317  # [   82.144091] [<c07e20b8>] (full_proxy_write) from [<c059bdac>] (vfs_write+0x10c/0x53c)

 3006 21:37:51.959880  # [   82.152194]  r9:c07e20b8 r8:c681df60 r7:c290d000 r6:b6e61000 r5:c6813680 r4:00000000

 3007 21:37:51.960255  # [   82.160211] [<c059bca0>] (vfs_write) from [<c059c358>] (ksys_write+0x74/0xec)

 3008 21:37:51.960600  # [   82.167618]  r10:00000004 r9:00000000 r8:00000000 r7:b6e61000 r6:c681c000 r5:c6813680

 3009 21:37:51.960935  # [   82.175714]  r4:c6813680

 3010 21:37:51.961279  # [   82.178523] [<c059c2e4>] (ksys_write) from [<c059c3e8>] (sys_write+0x18/0x1c)

 3011 21:37:52.007366  # [   82.185930]  r9:c681c000 r8:c03002e4 r7:00000004 r6:b6fa8e00 r5:0000000c r4:0000000c

 3012 21:37:52.007925  # [   82.193951] [<c059c3d0>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 3013 21:37:52.008304  # [   82.201789] Exception stack(0xc681dfa8 to 0xc681dff0)

 3014 21:37:52.008656  # [   82.207112] dfa0:                   0000000c 0000000c 00000001 b6e61000 0000000c 00000000

 3015 21:37:52.009036  # [   82.215562] dfc0: 0000000c 0000000c b6fa8e00 00000004 00000001 00000000 00020000 be8e7ac4

 3016 21:37:52.009369  # [   82.224007] dfe0: 00000004 be8e77f8 b6f12d8f b6e997e6

 3017 21:37:52.009717  # [   82.229332] Code: e3060d84 e34c01ad e1a01004 ebffd3c6 (e5945000) 

 3018 21:37:52.051463  # [   82.235741] ---[ end trace c25e2e226ccb7031 ]---

 3019 21:37:52.052180  # ACCESS_NULL: missing 'call trace:': [FAIL]

 3020 21:37:52.052528  not ok 38 selftests: lkdtm: ACCESS_NULL.sh # exit=1

 3021 21:37:52.052840  # selftests: lkdtm: WRITE_RO.sh

 3022 21:37:52.158367  <6>[   82.920964] lkdtm: Performing direct entry WRITE_RO

 3023 21:37:52.158552  <6>[   82.926130] lkdtm: attempting bad rodata write at c15ebfec

 3024 21:37:52.158648  <1>[   82.931952] 8<--- cut here ---

 3025 21:37:52.158734  <1>[   82.935283] Unable to handle kernel paging request at virtual address c15ebfec

 3026 21:37:52.158839  <1>[   82.942781] pgd = b714071c

 3027 21:37:52.158922  <1>[   82.945758] [c15ebfec] *pgd=1141941e(bad)

 3028 21:37:52.159003  <0>[   82.950057] Internal error: Oops: 80d [#12] SMP ARM

 3029 21:37:52.202391  <4>[   82.955205] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3

 3030 21:37:52.203008  <4>[   82.984540] CPU: 1 PID: 2407 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 3031 21:37:52.203385  <4>[   82.992552] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 3032 21:37:52.203734  <4>[   82.999362] PC is at lkdtm_WRITE_RO+0x44/0x50

 3033 21:37:52.245163  <4>[   83.004002] LR is at __irq_work_queue_local+0x40/0x74

 3034 21:37:52.245723  <4>[   83.009322] pc : [<c13cba08>]    lr : [<c049ddf8>]    psr: 600e0013

 3035 21:37:52.246100  <4>[   83.015856] sp : c4563e50  ip : c4563d58  fp : c4563e64

 3036 21:37:52.246441  <4>[   83.021348] r10: 00000009  r9 : c1ad5e80  r8 : c15ebd54

 3037 21:37:52.246809  <4>[   83.026840] r7 : c4563f60  r6 : 00000009  r5 : c6b90000  r4 : c15ebfec

 3038 21:37:52.247155  <4>[   83.033636] r3 : 0198b861  r2 : aa55aa55  r1 : ef7965e0  r0 : c1ad6c84

 3039 21:37:52.247473  <4>[   83.040433] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 3040 21:37:52.288509  <4>[   83.047836] Control: 10c5387d  Table: 16eb004a  DAC: 00000051

 3041 21:37:52.289071  <0>[   83.053851] Process cat (pid: 2407, stack limit = 0xc6d9a039)

 3042 21:37:52.289443  <0>[   83.059867] Stack: (0xc4563e50 to 0xc4564000)

 3043 21:37:52.289788  <0>[   83.064497] 3e40:                                     00000028 c6b90000 c4563e74 c4563e68

 3044 21:37:52.290120  <0>[   83.072948] 3e60: c0c584e8 c13cb9d0 c4563e9c c4563e78 c0c589e8 c0c584c8 c0c588c8 c4393040

 3045 21:37:52.290444  <0>[   83.081400] 3e80: b6e8d000 00000009 c517a780 c4563f60 c4563ec4 c4563ea0 c07e211c c0c588d4

 3046 21:37:52.331478  <0>[   83.089851] 3ea0: 00000000 c4393040 b6e8d000 c290d000 c4563f60 c07e20b8 c4563f5c c4563ec8

 3047 21:37:52.332047  <0>[   83.098303] 3ec0: c059bdac c07e20c4 00000001 00000000 c059c358 c13e0f18 c059c358 c4562000

 3048 21:37:52.332424  <0>[   83.106755] 3ee0: b6e8d000 00020000 00000004 00000009 0001fff7 c4563ee0 00000001 b6e8c000

 3049 21:37:52.332771  <0>[   83.115205] 3f00: c68c7b80 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 3050 21:37:52.333101  <0>[   83.123656] 3f20: 00000000 00000000 c13e0f18 b3f9c6c9 c206c0e0 c4393040 c4393040 c4562000

 3051 21:37:52.375274  <0>[   83.132105] 3f40: b6e8d000 00000000 00000000 00000004 c4563f94 c4563f60 c059c358 c059bcac

 3052 21:37:52.375838  <0>[   83.140554] 3f60: 00000000 00000000 c4563fac b3f9c6c9 00000009 00000009 b6fd4e00 00000004

 3053 21:37:52.376209  <0>[   83.149004] 3f80: c03002e4 c4562000 c4563fa4 c4563f98 c059c3e8 c059c2f0 00000000 c4563fa8

 3054 21:37:52.376556  <0>[   83.157455] 3fa0: c03000c0 c059c3dc 00000009 00000009 00000001 b6e8d000 00000009 00000000

 3055 21:37:52.376885  <0>[   83.165905] 3fc0: 00000009 00000009 b6fd4e00 00000004 00000001 00000000 00020000 bec6cac4

 3056 21:37:52.419282  <0>[   83.174355] 3fe0: 00000004 bec6c7f8 b6f3ed8f b6ec57e6 800e0030 00000001 00000000 00000000

 3057 21:37:52.419844  <0>[   83.182798] Backtrace: 

 3058 21:37:52.420220  <0>[   83.185535] [<c13cb9c4>] (lkdtm_WRITE_RO) from [<c0c584e8>] (lkdtm_do_action+0x2c/0x4c)

 3059 21:37:52.420567  <0>[   83.193810]  r5:c6b90000 r4:00000028

 3060 21:37:52.420895  <0>[   83.197664] [<c0c584bc>] (lkdtm_do_action) from [<c0c589e8>] (direct_entry+0x120/0x18c)

 3061 21:37:52.421221  <0>[   83.205949] [<c0c588c8>] (direct_entry) from [<c07e211c>] (full_proxy_write+0x64/0x94)

 3062 21:37:52.421537  <0>[   83.214141]  r9:c4563f60 r8:c517a780 r7:00000009 r6:b6e8d000 r5:c4393040 r4:c0c588c8

 3063 21:37:52.463248  <0>[   83.222164] [<c07e20b8>] (full_proxy_write) from [<c059bdac>] (vfs_write+0x10c/0x53c)

 3064 21:37:52.463813  <0>[   83.230268]  r9:c07e20b8 r8:c4563f60 r7:c290d000 r6:b6e8d000 r5:c4393040 r4:00000000

 3065 21:37:52.464188  <0>[   83.238287] [<c059bca0>] (vfs_write) from [<c059c358>] (ksys_write+0x74/0xec)

 3066 21:37:52.464538  <0>[   83.245695]  r10:00000004 r9:00000000 r8:00000000 r7:b6e8d000 r6:c4562000 r5:c4393040

 3067 21:37:52.464874  <0>[   83.253795]  r4:c4393040

 3068 21:37:52.465198  <0>[   83.256605] [<c059c2e4>] (ksys_write) from [<c059c3e8>] (sys_write+0x18/0x1c)

 3069 21:37:52.507454  <0>[   83.264013]  r9:c4562000 r8:c03002e4 r7:00000004 r6:b6fd4e00 r5:00000009 r4:00000009

 3070 21:37:52.508023  <0>[   83.272033] [<c059c3d0>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 3071 21:37:52.508399  <0>[   83.279870] Exception stack(0xc4563fa8 to 0xc4563ff0)

 3072 21:37:52.508743  <0>[   83.285195] 3fa0:                   00000009 00000009 00000001 b6e8d000 00000009 00000000

 3073 21:37:52.509075  <0>[   83.293645] 3fc0: 00000009 00000009 b6fd4e00 00000004 00000001 00000000 00020000 bec6cac4

 3074 21:37:52.509402  <0>[   83.302093] 3fe0: 00000004 bec6c7f8 b6f3ed8f b6ec57e6

 3075 21:37:52.550947  <0>[   83.307418] Code: e34a3bcd e3060c84 e34c01ad e0233002 (e5843000) 

 3076 21:37:52.551105  <4>[   83.313787] ---[ end trace c25e2e226ccb7032 ]---

 3077 21:37:52.551171  # Segmentation fault

 3078 21:37:52.653227  # [   82.920964] lkdtm: Performing direct entry WRITE_RO

 3079 21:37:52.696370  # [   82.926130] lkdtm: attempting bad rodata write at c15ebfec

 3080 21:37:52.696458  # [   82.931952] 8<--- cut here ---

 3081 21:37:52.696524  # [   82.935283] Unable to handle kernel paging request at virtual address c15ebfec

 3082 21:37:52.696586  # [   82.942781] pgd = b714071c

 3083 21:37:52.696645  # [   82.945758] [c15ebfec] *pgd=1141941e(bad)

 3084 21:37:52.696701  # [   82.950057] Internal error: Oops: 80d [#12] SMP ARM

 3085 21:37:52.742986  # [   82.955205] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3

 3086 21:37:52.743148  # [   82.984540] CPU: 1 PID: 2407 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 3087 21:37:52.743214  # [   82.992552] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 3088 21:37:52.743277  # [   82.999362] PC is at lkdtm_WRITE_RO+0x44/0x50

 3089 21:37:52.743337  # [   83.004002] LR is at __irq_work_queue_local+0x40/0x74

 3090 21:37:52.790848  # [   83.009322] pc : [<c13cba08>]    lr : [<c049ddf8>]    psr: 600e0013

 3091 21:37:52.790933  # [   83.015856] sp : c4563e50  ip : c4563d58  fp : c4563e64

 3092 21:37:52.790999  # [   83.021348] r10: 00000009  r9 : c1ad5e80  r8 : c15ebd54

 3093 21:37:52.791060  # [   83.026840] r7 : c4563f60  r6 : 00000009  r5 : c6b90000  r4 : c15ebfec

 3094 21:37:52.791118  # [   83.033636] r3 : 0198b861  r2 : aa55aa55  r1 : ef7965e0  r0 : c1ad6c84

 3095 21:37:52.791174  # [   83.040433] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 3096 21:37:52.791231  # [   83.047836] Control: 10c5387d  Table: 16eb004a  DAC: 00000051

 3097 21:37:52.838940  # [   83.053851] Process cat (pid: 2407, stack limit = 0xc6d9a039)

 3098 21:37:52.839025  # [   83.059867] Stack: (0xc4563e50 to 0xc4564000)

 3099 21:37:52.839091  # [   83.064497] 3e40:                                     00000028 c6b90000 c4563e74 c4563e68

 3100 21:37:52.839153  # [   83.072948] 3e60: c0c584e8 c13cb9d0 c4563e9c c4563e78 c0c589e8 c0c584c8 c0c588c8 c4393040

 3101 21:37:52.839213  # [   83.081400] 3e80: b6e8d000 00000009 c517a780 c4563f60 c4563ec4 c4563ea0 c07e211c c0c588d4

 3102 21:37:52.839270  # [   83.089851] 3ea0: 00000000 c4393040 b6e8d000 c290d000 c4563f60 c07e20b8 c4563f5c c4563ec8

 3103 21:37:52.887108  # [   83.098303] 3ec0: c059bdac c07e20c4 00000001 00000000 c059c358 c13e0f18 c059c358 c4562000

 3104 21:37:52.887326  # [   83.106755] 3ee0: b6e8d000 00020000 00000004 00000009 0001fff7 c4563ee0 00000001 b6e8c000

 3105 21:37:52.887441  # [   83.115205] 3f00: c68c7b80 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 3106 21:37:52.887554  # [   83.123656] 3f20: 00000000 00000000 c13e0f18 b3f9c6c9 c206c0e0 c4393040 c4393040 c4562000

 3107 21:37:52.887667  # [   83.132105] 3f40: b6e8d000 00000000 00000000 00000004 c4563f94 c4563f60 c059c358 c059bcac

 3108 21:37:52.935270  # [   83.140554] 3f60: 00000000 00000000 c4563fac b3f9c6c9 00000009 00000009 b6fd4e00 00000004

 3109 21:37:52.935827  # [   83.149004] 3f80: c03002e4 c4562000 c4563fa4 c4563f98 c059c3e8 c059c2f0 00000000 c4563fa8

 3110 21:37:52.936199  # [   83.157455] 3fa0: c03000c0 c059c3dc 00000009 00000009 00000001 b6e8d000 00000009 00000000

 3111 21:37:52.936540  # [   83.165905] 3fc0: 00000009 00000009 b6fd4e00 00000004 00000001 00000000 00020000 bec6cac4

 3112 21:37:52.936865  # [   83.174355] 3fe0: 00000004 bec6c7f8 b6f3ed8f b6ec57e6 800e0030 00000001 00000000 00000000

 3113 21:37:52.937184  # [   83.182798] Backtrace: 

 3114 21:37:52.979291  # [   83.185535] [<c13cb9c4>] (lkdtm_WRITE_RO) from [<c0c584e8>] (lkdtm_do_action+0x2c/0x4c)

 3115 21:37:52.979870  # [   83.193810]  r5:c6b90000 r4:00000028

 3116 21:37:52.980326  # [   83.197664] [<c0c584bc>] (lkdtm_do_action) from [<c0c589e8>] (direct_entry+0x120/0x18c)

 3117 21:37:52.980746  # [   83.205949] [<c0c588c8>] (direct_entry) from [<c07e211c>] (full_proxy_write+0x64/0x94)

 3118 21:37:52.981091  # [   83.214141]  r9:c4563f60 r8:c517a780 r7:00000009 r6:b6e8d000 r5:c4393040 r4:c0c588c8

 3119 21:37:52.981421  # [   83.222164] [<c07e20b8>] (full_proxy_write) from [<c059bdac>] (vfs_write+0x10c/0x53c)

 3120 21:37:53.023279  # [   83.230268]  r9:c07e20b8 r8:c4563f60 r7:c290d000 r6:b6e8d000 r5:c4393040 r4:00000000

 3121 21:37:53.023840  # [   83.238287] [<c059bca0>] (vfs_write) from [<c059c358>] (ksys_write+0x74/0xec)

 3122 21:37:53.024218  # [   83.245695]  r10:00000004 r9:00000000 r8:00000000 r7:b6e8d000 r6:c4562000 r5:c4393040

 3123 21:37:53.024564  # [   83.253795]  r4:c4393040

 3124 21:37:53.024891  # [   83.256605] [<c059c2e4>] (ksys_write) from [<c059c3e8>] (sys_write+0x18/0x1c)

 3125 21:37:53.025213  # [   83.264013]  r9:c4562000 r8:c03002e4 r7:00000004 r6:b6fd4e00 r5:00000009 r4:00000009

 3126 21:37:53.067418  # [   83.272033] [<c059c3d0>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 3127 21:37:53.067982  # [   83.279870] Exception stack(0xc4563fa8 to 0xc4563ff0)

 3128 21:37:53.068358  # [   83.285195] 3fa0:                   00000009 00000009 00000001 b6e8d000 00000009 00000000

 3129 21:37:53.068705  # [   83.293645] 3fc0: 00000009 00000009 b6fd4e00 00000004 00000001 00000000 00020000 bec6cac4

 3130 21:37:53.069031  # [   83.302093] 3fe0: 00000004 bec6c7f8 b6f3ed8f b6ec57e6

 3131 21:37:53.069355  # [   83.307418] Code: e34a3bcd e3060c84 e34c01ad e0233002 (e5843000) 

 3132 21:37:53.069671  # [   83.313787] ---[ end trace c25e2e226ccb7032 ]---

 3133 21:37:53.069983  # WRITE_RO: missing 'call trace:': [FAIL]

 3134 21:37:53.070286  not ok 39 selftests: lkdtm: WRITE_RO.sh # exit=1

 3135 21:37:53.070594  # selftests: lkdtm: WRITE_RO_AFTER_INIT.sh

 3136 21:37:53.186474  <6>[   83.946697] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT

 3137 21:37:53.187078  <6>[   83.952943] lkdtm: attempting bad ro_after_init write at c1b89c74

 3138 21:37:53.187490  <1>[   83.959342] 8<--- cut here ---

 3139 21:37:53.188032  <1>[   83.962687] Unable to handle kernel paging request at virtual address c1b89c74

 3140 21:37:53.188397  <1>[   83.970195] pgd = 04712197

 3141 21:37:53.188724  <1>[   83.973179] [c1b89c74] *pgd=11a1941e(bad)

 3142 21:37:53.189048  <0>[   83.977477] Internal error: Oops: 80d [#13] SMP ARM

 3143 21:37:53.229465  <4>[   83.982624] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3

 3144 21:37:53.230045  <4>[   84.011962] CPU: 2 PID: 2482 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 3145 21:37:53.230426  <4>[   84.019976] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 3146 21:37:53.230809  <4>[   84.026784] PC is at lkdtm_WRITE_RO_AFTER_INIT+0x64/0x70

 3147 21:37:53.231154  <4>[   84.032367] LR is at 0x0

 3148 21:37:53.272723  <4>[   84.035170] pc : [<c13cba78>]    lr : [<00000000>]    psr: 600e0013

 3149 21:37:53.273284  <4>[   84.041705] sp : c6a9be50  ip : 00000027  fp : c6a9be64

 3150 21:37:53.273660  <4>[   84.047198] r10: 00000014  r9 : c1ad5e8c  r8 : c15ebd54

 3151 21:37:53.274007  <4>[   84.052690] r7 : c6a9bf60  r6 : 00000014  r5 : c6b94000  r4 : c1b89c74

 3152 21:37:53.274338  <4>[   84.059484] r3 : fe67479e  r2 : 55aa55aa  r1 : ef7ab5e4  r0 : c1ad6c84

 3153 21:37:53.274663  <4>[   84.066282] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 3154 21:37:53.316182  <4>[   84.073688] Control: 10c5387d  Table: 16db004a  DAC: 00000051

 3155 21:37:53.316746  <0>[   84.079703] Process cat (pid: 2482, stack limit = 0x56905ca8)

 3156 21:37:53.317116  <0>[   84.085718] Stack: (0xc6a9be50 to 0xc6a9c000)

 3157 21:37:53.317462  <0>[   84.090348] be40:                                     00000029 c6b94000 c6a9be74 c6a9be68

 3158 21:37:53.317796  <0>[   84.098799] be60: c0c584e8 c13cba20 c6a9be9c c6a9be78 c0c589e8 c0c584c8 c0c588c8 c42a3540

 3159 21:37:53.318123  <0>[   84.107248] be80: b6e82000 00000014 c517a780 c6a9bf60 c6a9bec4 c6a9bea0 c07e211c c0c588d4

 3160 21:37:53.359209  <0>[   84.115698] bea0: 00000000 c42a3540 b6e82000 c290d000 c6a9bf60 c07e20b8 c6a9bf5c c6a9bec8

 3161 21:37:53.359766  <0>[   84.124149] bec0: c059bdac c07e20c4 00000001 00000000 c059c358 c13e0f18 c059c358 c6a9a000

 3162 21:37:53.360137  <0>[   84.132598] bee0: b6e82000 00020000 00000004 00000014 0001ffec c6a9bee0 00000001 b6e81000

 3163 21:37:53.360485  <0>[   84.141048] bf00: c4392dc0 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 3164 21:37:53.360816  <0>[   84.149498] bf20: 00000000 00000000 c13e0f18 550234f6 c206c0e0 c42a3540 c42a3540 c6a9a000

 3165 21:37:53.403290  <0>[   84.157948] bf40: b6e82000 00000000 00000000 00000004 c6a9bf94 c6a9bf60 c059c358 c059bcac

 3166 21:37:53.403868  <0>[   84.166396] bf60: 00000000 00000000 c6a9bfac 550234f6 00000014 00000014 b6fc9e00 00000004

 3167 21:37:53.404252  <0>[   84.174846] bf80: c03002e4 c6a9a000 c6a9bfa4 c6a9bf98 c059c3e8 c059c2f0 00000000 c6a9bfa8

 3168 21:37:53.404598  <0>[   84.183295] bfa0: c03000c0 c059c3dc 00000014 00000014 00000001 b6e82000 00000014 00000000

 3169 21:37:53.404931  <0>[   84.191747] bfc0: 00000014 00000014 b6fc9e00 00000004 00000001 00000000 00020000 bee88ac4

 3170 21:37:53.447338  <0>[   84.200195] bfe0: 00000004 bee887f8 b6f33d8f b6eba7e6 800e0030 00000001 00000000 00000000

 3171 21:37:53.448070  <0>[   84.208637] Backtrace: 

 3172 21:37:53.448466  <0>[   84.211374] [<c13cba14>] (lkdtm_WRITE_RO_AFTER_INIT) from [<c0c584e8>] (lkdtm_do_action+0x2c/0x4c)

 3173 21:37:53.448819  <0>[   84.220603]  r5:c6b94000 r4:00000029

 3174 21:37:53.449154  <0>[   84.224455] [<c0c584bc>] (lkdtm_do_action) from [<c0c589e8>] (direct_entry+0x120/0x18c)

 3175 21:37:53.449480  <0>[   84.232741] [<c0c588c8>] (direct_entry) from [<c07e211c>] (full_proxy_write+0x64/0x94)

 3176 21:37:53.449799  <0>[   84.240933]  r9:c6a9bf60 r8:c517a780 r7:00000014 r6:b6e82000 r5:c42a3540 r4:c0c588c8

 3177 21:37:53.491431  <0>[   84.248959] [<c07e20b8>] (full_proxy_write) from [<c059bdac>] (vfs_write+0x10c/0x53c)

 3178 21:37:53.491996  <0>[   84.257061]  r9:c07e20b8 r8:c6a9bf60 r7:c290d000 r6:b6e82000 r5:c42a3540 r4:00000000

 3179 21:37:53.492378  <0>[   84.265078] [<c059bca0>] (vfs_write) from [<c059c358>] (ksys_write+0x74/0xec)

 3180 21:37:53.492730  <0>[   84.272487]  r10:00000004 r9:00000000 r8:00000000 r7:b6e82000 r6:c6a9a000 r5:c42a3540

 3181 21:37:53.493066  <0>[   84.280583]  r4:c42a3540

 3182 21:37:53.493393  <0>[   84.283391] [<c059c2e4>] (ksys_write) from [<c059c3e8>] (sys_write+0x18/0x1c)

 3183 21:37:53.535279  <0>[   84.290799]  r9:c6a9a000 r8:c03002e4 r7:00000004 r6:b6fc9e00 r5:00000014 r4:00000014

 3184 21:37:53.535847  <0>[   84.298819] [<c059c3d0>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 3185 21:37:53.536224  <0>[   84.306658] Exception stack(0xc6a9bfa8 to 0xc6a9bff0)

 3186 21:37:53.536570  <0>[   84.311982] bfa0:                   00000014 00000014 00000001 b6e82000 00000014 00000000

 3187 21:37:53.536904  <0>[   84.320432] bfc0: 00000014 00000014 b6fc9e00 00000004 00000001 00000000 00020000 bee88ac4

 3188 21:37:53.537231  <0>[   84.328878] bfe0: 00000004 bee887f8 b6f33d8f b6eba7e6

 3189 21:37:53.582919  <0>[   84.334203] Code: e34a3bcd e3060c84 e34c01ad e0233002 (e5843000) 

 3190 21:37:53.583130  <4>[   84.340574] ---[ end trace c25e2e226ccb7033 ]---

 3191 21:37:53.583254  # Segmentation fault

 3192 21:37:53.712673  # [   83.946697] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT

 3193 21:37:53.713206  # [   83.952943] lkdtm: attempting bad ro_after_init write at c1b89c74

 3194 21:37:53.713561  # [   83.959342] 8<--- cut here ---

 3195 21:37:53.714024  # [   83.962687] Unable to handle kernel paging request at virtual address c1b89c74

 3196 21:37:53.714494  # [   83.970195] pgd = 04712197

 3197 21:37:53.714962  # [   83.973179] [c1b89c74] *pgd=11a1941e(bad)

 3198 21:37:53.715308  # [   83.977477] Internal error: Oops: 80d [#13] SMP ARM

 3199 21:37:53.755729  # [   83.982624] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3

 3200 21:37:53.756352  # [   84.011962] CPU: 2 PID: 2482 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 3201 21:37:53.756866  # [   84.019976] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 3202 21:37:53.757365  # [   84.026784] PC is at lkdtm_WRITE_RO_AFTER_INIT+0x64/0x70

 3203 21:37:53.799204  # [   84.032367] LR is at 0x0

 3204 21:37:53.799626  # [   84.035170] pc : [<c13cba78>]    lr : [<00000000>]    psr: 600e0013

 3205 21:37:53.799976  # [   84.041705] sp : c6a9be50  ip : 00000027  fp : c6a9be64

 3206 21:37:53.800337  # [   84.047198] r10: 00000014  r9 : c1ad5e8c  r8 : c15ebd54

 3207 21:37:53.800657  # [   84.052690] r7 : c6a9bf60  r6 : 00000014  r5 : c6b94000  r4 : c1b89c74

 3208 21:37:53.800985  # [   84.059484] r3 : fe67479e  r2 : 55aa55aa  r1 : ef7ab5e4  r0 : c1ad6c84

 3209 21:37:53.801369  # [   84.066282] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 3210 21:37:53.843085  # [   84.073688] Control: 10c5387d  Table: 16db004a  DAC: 00000051

 3211 21:37:53.843679  # [   84.079703] Process cat (pid: 2482, stack limit = 0x56905ca8)

 3212 21:37:53.844150  # [   84.085718] Stack: (0xc6a9be50 to 0xc6a9c000)

 3213 21:37:53.844557  # [   84.090348] be40:                                     00000029 c6b94000 c6a9be74 c6a9be68

 3214 21:37:53.845006  # [   84.098799] be60: c0c584e8 c13cba20 c6a9be9c c6a9be78 c0c589e8 c0c584c8 c0c588c8 c42a3540

 3215 21:37:53.845492  # [   84.107248] be80: b6e82000 00000014 c517a780 c6a9bf60 c6a9bec4 c6a9bea0 c07e211c c0c588d4

 3216 21:37:53.891222  # [   84.115698] bea0: 00000000 c42a3540 b6e82000 c290d000 c6a9bf60 c07e20b8 c6a9bf5c c6a9bec8

 3217 21:37:53.891651  # [   84.124149] bec0: c059bdac c07e20c4 00000001 00000000 c059c358 c13e0f18 c059c358 c6a9a000

 3218 21:37:53.891989  # [   84.132598] bee0: b6e82000 00020000 00000004 00000014 0001ffec c6a9bee0 00000001 b6e81000

 3219 21:37:53.892305  # [   84.141048] bf00: c4392dc0 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 3220 21:37:53.892607  # [   84.149498] bf20: 00000000 00000000 c13e0f18 550234f6 c206c0e0 c42a3540 c42a3540 c6a9a000

 3221 21:37:53.935286  # [   84.157948] bf40: b6e82000 00000000 00000000 00000004 c6a9bf94 c6a9bf60 c059c358 c059bcac

 3222 21:37:53.935855  # [   84.166396] bf60: 00000000 00000000 c6a9bfac 550234f6 00000014 00000014 b6fc9e00 00000004

 3223 21:37:53.936289  # [   84.174846] bf80: c03002e4 c6a9a000 c6a9bfa4 c6a9bf98 c059c3e8 c059c2f0 00000000 c6a9bfa8

 3224 21:37:53.936641  # [   84.183295] bfa0: c03000c0 c059c3dc 00000014 00000014 00000001 b6e82000 00000014 00000000

 3225 21:37:53.937013  # [   84.191747] bfc0: 00000014 00000014 b6fc9e00 00000004 00000001 00000000 00020000 bee88ac4

 3226 21:37:53.937347  # [   84.200195] bfe0: 00000004 bee887f8 b6f33d8f b6eba7e6 800e0030 00000001 00000000 00000000

 3227 21:37:53.979263  # [   84.208637] Backtrace: 

 3228 21:37:53.979866  # [   84.211374] [<c13cba14>] (lkdtm_WRITE_RO_AFTER_INIT) from [<c0c584e8>] (lkdtm_do_action+0x2c/0x4c)

 3229 21:37:53.980260  # [   84.220603]  r5:c6b94000 r4:00000029

 3230 21:37:53.980711  # [   84.224455] [<c0c584bc>] (lkdtm_do_action) from [<c0c589e8>] (direct_entry+0x120/0x18c)

 3231 21:37:53.981290  # [   84.232741] [<c0c588c8>] (direct_entry) from [<c07e211c>] (full_proxy_write+0x64/0x94)

 3232 21:37:53.981688  # [   84.240933]  r9:c6a9bf60 r8:c517a780 r7:00000014 r6:b6e82000 r5:c42a3540 r4:c0c588c8

 3233 21:37:54.023255  # [   84.248959] [<c07e20b8>] (full_proxy_write) from [<c059bdac>] (vfs_write+0x10c/0x53c)

 3234 21:37:54.023811  # [   84.257061]  r9:c07e20b8 r8:c6a9bf60 r7:c290d000 r6:b6e82000 r5:c42a3540 r4:00000000

 3235 21:37:54.024195  # [   84.265078] [<c059bca0>] (vfs_write) from [<c059c358>] (ksys_write+0x74/0xec)

 3236 21:37:54.024546  # [   84.272487]  r10:00000004 r9:00000000 r8:00000000 r7:b6e82000 r6:c6a9a000 r5:c42a3540

 3237 21:37:54.024879  # [   84.280583]  r4:c42a3540

 3238 21:37:54.025206  # [   84.283391] [<c059c2e4>] (ksys_write) from [<c059c3e8>] (sys_write+0x18/0x1c)

 3239 21:37:54.067270  # [   84.290799]  r9:c6a9a000 r8:c03002e4 r7:00000004 r6:b6fc9e00 r5:00000014 r4:00000014

 3240 21:37:54.067824  # [   84.298819] [<c059c3d0>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 3241 21:37:54.068197  # [   84.306658] Exception stack(0xc6a9bfa8 to 0xc6a9bff0)

 3242 21:37:54.068544  # [   84.311982] bfa0:                   00000014 00000014 00000001 b6e82000 00000014 00000000

 3243 21:37:54.068879  # [   84.320432] bfc0: 00000014 00000014 b6fc9e00 00000004 00000001 00000000 00020000 bee88ac4

 3244 21:37:54.069206  # [   84.328878] bfe0: 00000004 bee887f8 b6f33d8f b6eba7e6

 3245 21:37:54.069526  # [   84.334203] Code: e34a3bcd e3060c84 e34c01ad e0233002 (e5843000) 

 3246 21:37:54.111409  # [   84.340574] ---[ end trace c25e2e226ccb7033 ]---

 3247 21:37:54.111999  # WRITE_RO_AFTER_INIT: missing 'call trace:': [FAIL]

 3248 21:37:54.112409  not ok 40 selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # exit=1

 3249 21:37:54.112793  # selftests: lkdtm: WRITE_KERN.sh

 3250 21:37:54.181140  <6>[   84.938704] lkdtm: Performing direct entry WRITE_KERN

 3251 21:37:54.181701  <6>[   84.944198] lkdtm: attempting bad 7808660 byte write at c13cb8ec

 3252 21:37:54.182076  <1>[   84.950644] 8<--- cut here ---

 3253 21:37:54.182423  <1>[   84.953992] Unable to handle kernel paging request at virtual address c13cb8ec

 3254 21:37:54.182849  <1>[   84.961497] pgd = d69b61fe

 3255 21:37:54.183215  <1>[   84.964475] [c13cb8ec] *pgd=1121940e(bad)

 3256 21:37:54.183541  <0>[   84.968773] Internal error: Oops: 80d [#14] SMP ARM

 3257 21:37:54.224239  <4>[   84.973921] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3

 3258 21:37:54.224818  <4>[   85.003257] CPU: 1 PID: 2557 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 3259 21:37:54.225197  <4>[   85.011268] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 3260 21:37:54.225547  <4>[   85.018078] PC is at memcpy+0x50/0x330

 3261 21:37:54.225878  <4>[   85.022100] LR is at 0xe92dd830

 3262 21:37:54.266880  <4>[   85.025511] pc : [<c08d5870>]    lr : [<e92dd830>]    psr: 200e0013

 3263 21:37:54.267033  <4>[   85.032046] sp : c43a1e2c  ip : e1a0c00d  fp : c43a1e64

 3264 21:37:54.267099  <4>[   85.037539] r10: 0000000b  r9 : c1ad5ea0  r8 : e89da800

 3265 21:37:54.267161  <4>[   85.043031] r7 : e8bd4000  r6 : e52de004  r5 : e24cb004  r4 : e92dd800

 3266 21:37:54.267220  <4>[   85.049826] r3 : e1a0c00d  r2 : 007725f4  r1 : c0c59278  r0 : c13cb8ec

 3267 21:37:54.267278  <4>[   85.056624] Flags: nzCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 3268 21:37:54.267335  <4>[   85.064030] Control: 10c5387d  Table: 1479804a  DAC: 00000051

 3269 21:37:54.310816  <0>[   85.070050] Process cat (pid: 2557, stack limit = 0xe81f2534)

 3270 21:37:54.310916  <0>[   85.076069] Stack: (0xc43a1e2c to 0xc43a2000)

 3271 21:37:54.310983  <0>[   85.080699] 1e20:                            c0c59258 00772694 c43a1f60 c15ebd54 c13cb8ec

 3272 21:37:54.311073  <0>[   85.089151] 1e40: c13cb8ec c13cbad0 0000002a c6b90000 0000000b c43a1f60 c43a1e74 c43a1e68

 3273 21:37:54.311133  <0>[   85.097604] 1e60: c0c584e8 c13cba90 c43a1e9c c43a1e78 c0c589e8 c0c584c8 c0c588c8 c4392c80

 3274 21:37:54.311192  <0>[   85.106055] 1e80: b6e62000 0000000b c517a780 c43a1f60 c43a1ec4 c43a1ea0 c07e211c c0c588d4

 3275 21:37:54.358818  <0>[   85.114505] 1ea0: 00000000 c4392c80 b6e62000 c290d000 c43a1f60 c07e20b8 c43a1f5c c43a1ec8

 3276 21:37:54.358905  <0>[   85.122954] 1ec0: c059bdac c07e20c4 00000001 00000000 c059c358 c13e0f18 c059c358 c43a0000

 3277 21:37:54.358973  <0>[   85.131405] 1ee0: b6e62000 00020000 00000004 0000000b 0001fff5 c43a1ee0 00000001 b6e61000

 3278 21:37:54.359039  <0>[   85.139854] 1f00: c68d6280 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 3279 21:37:54.359100  <0>[   85.148304] 1f20: 00000000 00000000 c13e0f18 4aa99fb5 c206c0e0 c4392c80 c4392c80 c43a0000

 3280 21:37:54.406854  <0>[   85.156753] 1f40: b6e62000 00000000 00000000 00000004 c43a1f94 c43a1f60 c059c358 c059bcac

 3281 21:37:54.406962  <0>[   85.165201] 1f60: 00000000 00000000 c43a1fac 4aa99fb5 0000000b 0000000b b6fa9e00 00000004

 3282 21:37:54.407047  <0>[   85.173651] 1f80: c03002e4 c43a0000 c43a1fa4 c43a1f98 c059c3e8 c059c2f0 00000000 c43a1fa8

 3283 21:37:54.407125  <0>[   85.182100] 1fa0: c03000c0 c059c3dc 0000000b 0000000b 00000001 b6e62000 0000000b 00000000

 3284 21:37:54.407200  <0>[   85.190552] 1fc0: 0000000b 0000000b b6fa9e00 00000004 00000001 00000000 00020000 bee34ac4

 3285 21:37:54.450819  <0>[   85.199002] 1fe0: 00000004 bee347f8 b6f13d8f b6e9a7e6 800e0030 00000001 00000000 00000000

 3286 21:37:54.450908  <0>[   85.207449] Backtrace: 

 3287 21:37:54.450974  <0>[   85.210203] [<c13cba84>] (lkdtm_WRITE_KERN) from [<c0c584e8>] (lkdtm_do_action+0x2c/0x4c)

 3288 21:37:54.451036  <0>[   85.218657]  r7:c43a1f60 r6:0000000b r5:c6b90000 r4:0000002a

 3289 21:37:54.451095  <0>[   85.224593] [<c0c584bc>] (lkdtm_do_action) from [<c0c589e8>] (direct_entry+0x120/0x18c)

 3290 21:37:54.451154  <0>[   85.232883] [<c0c588c8>] (direct_entry) from [<c07e211c>] (full_proxy_write+0x64/0x94)

 3291 21:37:54.495026  <0>[   85.241075]  r9:c43a1f60 r8:c517a780 r7:0000000b r6:b6e62000 r5:c4392c80 r4:c0c588c8

 3292 21:37:54.495487  <0>[   85.249101] [<c07e20b8>] (full_proxy_write) from [<c059bdac>] (vfs_write+0x10c/0x53c)

 3293 21:37:54.495873  <0>[   85.257205]  r9:c07e20b8 r8:c43a1f60 r7:c290d000 r6:b6e62000 r5:c4392c80 r4:00000000

 3294 21:37:54.496303  <0>[   85.265224] [<c059bca0>] (vfs_write) from [<c059c358>] (ksys_write+0x74/0xec)

 3295 21:37:54.496789  <0>[   85.272633]  r10:00000004 r9:00000000 r8:00000000 r7:b6e62000 r6:c43a0000 r5:c4392c80

 3296 21:37:54.497266  <0>[   85.280732]  r4:c4392c80

 3297 21:37:54.539061  <0>[   85.283542] [<c059c2e4>] (ksys_write) from [<c059c3e8>] (sys_write+0x18/0x1c)

 3298 21:37:54.539520  <0>[   85.290950]  r9:c43a0000 r8:c03002e4 r7:00000004 r6:b6fa9e00 r5:0000000b r4:0000000b

 3299 21:37:54.539867  <0>[   85.298972] [<c059c3d0>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 3300 21:37:54.540186  <0>[   85.306813] Exception stack(0xc43a1fa8 to 0xc43a1ff0)

 3301 21:37:54.540491  <0>[   85.312138] 1fa0:                   0000000b 0000000b 00000001 b6e62000 0000000b 00000000

 3302 21:37:54.540790  <0>[   85.320587] 1fc0: 0000000b 0000000b b6fa9e00 00000004 00000001 00000000 00020000 bee34ac4

 3303 21:37:54.582844  <0>[   85.329034] 1fe0: 00000004 bee347f8 b6f13d8f b6e9a7e6

 3304 21:37:54.582976  <0>[   85.334361] Code: f5d1f05c f5d1f07c e8b151f8 e2522020 (e8a051f8) 

 3305 21:37:54.583086  <4>[   85.340740] ---[ end trace c25e2e226ccb7034 ]---

 3306 21:37:54.583181  # Segmentation fault

 3307 21:37:54.708710  # [   84.938704] lkdtm: Performing direct entry WRITE_KERN

 3308 21:37:54.709285  # [   84.944198] lkdtm: attempting bad 7808660 byte write at c13cb8ec

 3309 21:37:54.709660  # [   84.950644] 8<--- cut here ---

 3310 21:37:54.710006  # [   84.953992] Unable to handle kernel paging request at virtual address c13cb8ec

 3311 21:37:54.710339  # [   84.961497] pgd = d69b61fe

 3312 21:37:54.710712  # [   84.964475] [c13cb8ec] *pgd=1121940e(bad)

 3313 21:37:54.711119  # [   84.968773] Internal error: Oops: 80d [#14] SMP ARM

 3314 21:37:54.752197  # [   84.973921] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3

 3315 21:37:54.752775  # [   85.003257] CPU: 1 PID: 2557 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 3316 21:37:54.753151  # [   85.011268] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 3317 21:37:54.753495  # [   85.018078] PC is at memcpy+0x50/0x330

 3318 21:37:54.753819  # [   85.022100] LR is at 0xe92dd830

 3319 21:37:54.799380  # [   85.025511] pc : [<c08d5870>]    lr : [<e92dd830>]    psr: 200e0013

 3320 21:37:54.799942  # [   85.032046] sp : c43a1e2c  ip : e1a0c00d  fp : c43a1e64

 3321 21:37:54.800313  # [   85.037539] r10: 0000000b  r9 : c1ad5ea0  r8 : e89da800

 3322 21:37:54.800673  # [   85.043031] r7 : e8bd4000  r6 : e52de004  r5 : e24cb004  r4 : e92dd800

 3323 21:37:54.801021  # [   85.049826] r3 : e1a0c00d  r2 : 007725f4  r1 : c0c59278  r0 : c13cb8ec

 3324 21:37:54.801346  # [   85.056624] Flags: nzCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none

 3325 21:37:54.801749  # [   85.064030] Control: 10c5387d  Table: 1479804a  DAC: 00000051

 3326 21:37:54.843333  # [   85.070050] Process cat (pid: 2557, stack limit = 0xe81f2534)

 3327 21:37:54.843928  # [   85.076069] Stack: (0xc43a1e2c to 0xc43a2000)

 3328 21:37:54.844312  # [   85.080699] 1e20:                            c0c59258 00772694 c43a1f60 c15ebd54 c13cb8ec

 3329 21:37:54.844659  # [   85.089151] 1e40: c13cb8ec c13cbad0 0000002a c6b90000 0000000b c43a1f60 c43a1e74 c43a1e68

 3330 21:37:54.844991  # [   85.097604] 1e60: c0c584e8 c13cba90 c43a1e9c c43a1e78 c0c589e8 c0c584c8 c0c588c8 c4392c80

 3331 21:37:54.845320  # [   85.106055] 1e80: b6e62000 0000000b c517a780 c43a1f60 c43a1ec4 c43a1ea0 c07e211c c0c588d4

 3332 21:37:54.887304  # [   85.114505] 1ea0: 00000000 c4392c80 b6e62000 c290d000 c43a1f60 c07e20b8 c43a1f5c c43a1ec8

 3333 21:37:54.887886  # [   85.122954] 1ec0: c059bdac c07e20c4 00000001 00000000 c059c358 c13e0f18 c059c358 c43a0000

 3334 21:37:54.888287  # [   85.131405] 1ee0: b6e62000 00020000 00000004 0000000b 0001fff5 c43a1ee0 00000001 b6e61000

 3335 21:37:54.888632  # [   85.139854] 1f00: c68d6280 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 3336 21:37:54.888959  # [   85.148304] 1f20: 00000000 00000000 c13e0f18 4aa99fb5 c206c0e0 c4392c80 c4392c80 c43a0000

 3337 21:37:54.931315  # [   85.156753] 1f40: b6e62000 00000000 00000000 00000004 c43a1f94 c43a1f60 c059c358 c059bcac

 3338 21:37:54.931892  # [   85.165201] 1f60: 00000000 00000000 c43a1fac 4aa99fb5 0000000b 0000000b b6fa9e00 00000004

 3339 21:37:54.932270  # [   85.173651] 1f80: c03002e4 c43a0000 c43a1fa4 c43a1f98 c059c3e8 c059c2f0 00000000 c43a1fa8

 3340 21:37:54.932642  # [   85.182100] 1fa0: c03000c0 c059c3dc 0000000b 0000000b 00000001 b6e62000 0000000b 00000000

 3341 21:37:54.932972  # [   85.190552] 1fc0: 0000000b 0000000b b6fa9e00 00000004 00000001 00000000 00020000 bee34ac4

 3342 21:37:54.975276  # [   85.199002] 1fe0: 00000004 bee347f8 b6f13d8f b6e9a7e6 800e0030 00000001 00000000 00000000

 3343 21:37:54.975834  # [   85.207449] Backtrace: 

 3344 21:37:54.976201  # [   85.210203] [<c13cba84>] (lkdtm_WRITE_KERN) from [<c0c584e8>] (lkdtm_do_action+0x2c/0x4c)

 3345 21:37:54.976547  # [   85.218657]  r7:c43a1f60 r6:0000000b r5:c6b90000 r4:0000002a

 3346 21:37:54.976878  # [   85.224593] [<c0c584bc>] (lkdtm_do_action) from [<c0c589e8>] (direct_entry+0x120/0x18c)

 3347 21:37:54.977202  # [   85.232883] [<c0c588c8>] (direct_entry) from [<c07e211c>] (full_proxy_write+0x64/0x94)

 3348 21:37:55.023430  # [   85.241075]  r9:c43a1f60 r8:c517a780 r7:0000000b r6:b6e62000 r5:c4392c80 r4:c0c588c8

 3349 21:37:55.023999  # [   85.249101] [<c07e20b8>] (full_proxy_write) from [<c059bdac>] (vfs_write+0x10c/0x53c)

 3350 21:37:55.024380  # [   85.257205]  r9:c07e20b8 r8:c43a1f60 r7:c290d000 r6:b6e62000 r5:c4392c80 r4:00000000

 3351 21:37:55.024724  # [   85.265224] [<c059bca0>] (vfs_write) from [<c059c358>] (ksys_write+0x74/0xec)

 3352 21:37:55.025054  # [   85.272633]  r10:00000004 r9:00000000 r8:00000000 r7:b6e62000 r6:c43a0000 r5:c4392c80

 3353 21:37:55.025377  # [   85.280732]  r4:c4392c80

 3354 21:37:55.067419  # [   85.283542] [<c059c2e4>] (ksys_write) from [<c059c3e8>] (sys_write+0x18/0x1c)

 3355 21:37:55.067975  # [   85.290950]  r9:c43a0000 r8:c03002e4 r7:00000004 r6:b6fa9e00 r5:0000000b r4:0000000b

 3356 21:37:55.068354  # [   85.298972] [<c059c3d0>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 3357 21:37:55.068694  # [   85.306813] Exception stack(0xc43a1fa8 to 0xc43a1ff0)

 3358 21:37:55.069020  # [   85.312138] 1fa0:                   0000000b 0000000b 00000001 b6e62000 0000000b 00000000

 3359 21:37:55.069341  # [   85.320587] 1fc0: 0000000b 0000000b b6fa9e00 00000004 00000001 00000000 00020000 bee34ac4

 3360 21:37:55.111399  # [   85.329034] 1fe0: 00000004 bee347f8 b6f13d8f b6e9a7e6

 3361 21:37:55.111962  # [   85.334361] Code: f5d1f05c f5d1f07c e8b151f8 e2522020 (e8a051f8) 

 3362 21:37:55.112337  # [   85.340740] ---[ end trace c25e2e226ccb7034 ]---

 3363 21:37:55.112680  # WRITE_KERN: missing 'call trace:': [FAIL]

 3364 21:37:55.113004  not ok 41 selftests: lkdtm: WRITE_KERN.sh # exit=1

 3365 21:37:55.113327  # selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh

 3366 21:37:55.145255  <6>[   85.907204] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW

 3367 21:37:55.145817  <6>[   85.913586] lkdtm: attempting good refcount_inc() without overflow

 3368 21:37:55.146186  <6>[   85.920082] lkdtm: attempting bad refcount_inc() overflow

 3369 21:37:55.146528  <4>[   85.925758] ------------[ cut here ]------------

 3370 21:37:55.146927  <4>[   85.930736] WARNING: CPU: 0 PID: 2633 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174

 3371 21:37:55.147273  <4>[   85.939449] refcount_t: saturated; leaking memory.

 3372 21:37:55.188847  <4>[   85.944552] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3

 3373 21:37:55.189425  <4>[   85.974109] CPU: 0 PID: 2633 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 3374 21:37:55.189807  <4>[   85.982123] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 3375 21:37:55.190153  <4>[   85.988918] Backtrace: 

 3376 21:37:55.231697  <4>[   85.991654] [<c13bdcdc>] (dump_backtrace) from [<c13be09c>] (show_stack+0x20/0x24)

 3377 21:37:55.232258  <4>[   85.999498]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8

 3378 21:37:55.232632  <4>[   86.005436] [<c13be07c>] (show_stack) from [<c13c5334>] (dump_stack+0xe0/0x100)

 3379 21:37:55.232980  <4>[   86.013026] [<c13c5254>] (dump_stack) from [<c03567c8>] (__warn+0x98/0x14c)

 3380 21:37:55.233312  <4>[   86.020263]  r9:00000009 r8:c0875abc r7:00000016 r6:00000009 r5:c0875abc r4:c1a29fb4

 3381 21:37:55.233638  <4>[   86.028283] [<c0356730>] (__warn) from [<c13bf1d8>] (warn_slowpath_fmt+0x8c/0xa8)

 3382 21:37:55.275266  <4>[   86.036035]  r7:00000016 r6:c1a29fb4 r5:c1a29f8c r4:c683c000

 3383 21:37:55.275829  <4>[   86.041969] [<c13bf150>] (warn_slowpath_fmt) from [<c0875abc>] (refcount_warn_saturate+0xd4/0x174)

 3384 21:37:55.276208  <4>[   86.051203]  r9:c1ad5eac r8:c15ebd54 r7:c683df60 r6:00000016 r5:c45eb000 r4:c683c000

 3385 21:37:55.276556  <4>[   86.059227] [<c08759e8>] (refcount_warn_saturate) from [<c0c5956c>] (__refcount_add.constprop.0+0x44/0x58)

 3386 21:37:55.276891  <4>[   86.069162] [<c0c59528>] (__refcount_add.constprop.0) from [<c13cbf00>] (lkdtm_REFCOUNT_INC_OVERFLOW+0x78/0x9c)

 3387 21:37:55.319329  <4>[   86.079525] [<c13cbe88>] (lkdtm_REFCOUNT_INC_OVERFLOW) from [<c0c584e8>] (lkdtm_do_action+0x2c/0x4c)

 3388 21:37:55.319896  <4>[   86.088923]  r4:0000002b

 3389 21:37:55.320271  <4>[   86.091730] [<c0c584bc>] (lkdtm_do_action) from [<c0c589e8>] (direct_entry+0x120/0x18c)

 3390 21:37:55.320619  <4>[   86.100016] [<c0c588c8>] (direct_entry) from [<c07e211c>] (full_proxy_write+0x64/0x94)

 3391 21:37:55.320946  <4>[   86.108205]  r9:c683df60 r8:c517a780 r7:00000016 r6:b6e89000 r5:c4395540 r4:c0c588c8

 3392 21:37:55.363336  <4>[   86.116230] [<c07e20b8>] (full_proxy_write) from [<c059bdac>] (vfs_write+0x10c/0x53c)

 3393 21:37:55.363905  <4>[   86.124332]  r9:c07e20b8 r8:c683df60 r7:c290d000 r6:b6e89000 r5:c4395540 r4:00000000

 3394 21:37:55.364283  <4>[   86.132349] [<c059bca0>] (vfs_write) from [<c059c358>] (ksys_write+0x74/0xec)

 3395 21:37:55.364634  <4>[   86.139757]  r10:00000004 r9:00000000 r8:00000000 r7:b6e89000 r6:c683c000 r5:c4395540

 3396 21:37:55.364966  <4>[   86.147853]  r4:c4395540

 3397 21:37:55.365290  <4>[   86.150662] [<c059c2e4>] (ksys_write) from [<c059c3e8>] (sys_write+0x18/0x1c)

 3398 21:37:55.365608  <4>[   86.158070]  r9:c683c000 r8:c03002e4 r7:00000004 r6:b6fd0e00 r5:00000016 r4:00000016

 3399 21:37:55.407517  <4>[   86.166088] [<c059c3d0>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 3400 21:37:55.408082  <4>[   86.173928] Exception stack(0xc683dfa8 to 0xc683dff0)

 3401 21:37:55.408453  <4>[   86.179255] dfa0:                   00000016 00000016 00000001 b6e89000 00000016 00000000

 3402 21:37:55.408797  <4>[   86.187705] dfc0: 00000016 00000016 b6fd0e00 00000004 00000001 00000000 00020000 bec02ac4

 3403 21:37:55.409127  <4>[   86.196151] dfe0: 00000004 bec027f8 b6f3ad8f b6ec17e6

 3404 21:37:55.409447  <4>[   86.201569] irq event stamp: 0

 3405 21:37:55.451235  <4>[   86.204910] hardirqs last  enabled at (0): [<00000000>] 0x0

 3406 21:37:55.451792  <4>[   86.210800] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 3407 21:37:55.452171  <4>[   86.218563] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 3408 21:37:55.452517  <4>[   86.226354] softirqs last disabled at (0): [<00000000>] 0x0

 3409 21:37:55.452848  <4>[   86.232230] ---[ end trace c25e2e226ccb7035 ]---

 3410 21:37:55.453171  <6>[   86.237125] lkdtm: Overflow detected: saturated

 3411 21:37:55.587315  # [   85.907204] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW

 3412 21:37:55.587917  # [   85.913586] lkdtm: attempting good refcount_inc() without overflow

 3413 21:37:55.588290  # [   85.920082] lkdtm: attempting bad refcount_inc() overflow

 3414 21:37:55.588630  # [   85.925758] ------------[ cut here ]------------

 3415 21:37:55.588958  # [   85.930736] WARNING: CPU: 0 PID: 2633 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174

 3416 21:37:55.589282  # [   85.939449] refcount_t: saturated; leaking memory.

 3417 21:37:55.631356  # [   85.944552] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3

 3418 21:37:55.631936  # [   85.974109] CPU: 0 PID: 2633 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 3419 21:37:55.632318  # [   85.982123] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 3420 21:37:55.632666  # [   85.988918] Backtrace: 

 3421 21:37:55.675451  # [   85.991654] [<c13bdcdc>] (dump_backtrace) from [<c13be09c>] (show_stack+0x20/0x24)

 3422 21:37:55.676016  # [   85.999498]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8

 3423 21:37:55.676391  # [   86.005436] [<c13be07c>] (show_stack) from [<c13c5334>] (dump_stack+0xe0/0x100)

 3424 21:37:55.676737  # [   86.013026] [<c13c5254>] (dump_stack) from [<c03567c8>] (__warn+0x98/0x14c)

 3425 21:37:55.677064  # [   86.020263]  r9:00000009 r8:c0875abc r7:00000016 r6:00000009 r5:c0875abc r4:c1a29fb4

 3426 21:37:55.677387  # [   86.028283] [<c0356730>] (__warn) from [<c13bf1d8>] (warn_slowpath_fmt+0x8c/0xa8)

 3427 21:37:55.719273  # [   86.036035]  r7:00000016 r6:c1a29fb4 r5:c1a29f8c r4:c683c000

 3428 21:37:55.719852  # [   86.041969] [<c13bf150>] (warn_slowpath_fmt) from [<c0875abc>] (refcount_warn_saturate+0xd4/0x174)

 3429 21:37:55.720237  # [   86.051203]  r9:c1ad5eac r8:c15ebd54 r7:c683df60 r6:00000016 r5:c45eb000 r4:c683c000

 3430 21:37:55.720584  # [   86.059227] [<c08759e8>] (refcount_warn_saturate) from [<c0c5956c>] (__refcount_add.constprop.0+0x44/0x58)

 3431 21:37:55.720915  # [   86.069162] [<c0c59528>] (__refcount_add.constprop.0) from [<c13cbf00>] (lkdtm_REFCOUNT_INC_OVERFLOW+0x78/0x9c)

 3432 21:37:55.763262  # [   86.079525] [<c13cbe88>] (lkdtm_REFCOUNT_INC_OVERFLOW) from [<c0c584e8>] (lkdtm_do_action+0x2c/0x4c)

 3433 21:37:55.763833  # [   86.088923]  r4:0000002b

 3434 21:37:55.764211  # [   86.091730] [<c0c584bc>] (lkdtm_do_action) from [<c0c589e8>] (direct_entry+0x120/0x18c)

 3435 21:37:55.764561  # [   86.100016] [<c0c588c8>] (direct_entry) from [<c07e211c>] (full_proxy_write+0x64/0x94)

 3436 21:37:55.764890  # [   86.108205]  r9:c683df60 r8:c517a780 r7:00000016 r6:b6e89000 r5:c4395540 r4:c0c588c8

 3437 21:37:55.765213  # [   86.116230] [<c07e20b8>] (full_proxy_write) from [<c059bdac>] (vfs_write+0x10c/0x53c)

 3438 21:37:55.811227  # [   86.124332]  r9:c07e20b8 r8:c683df60 r7:c290d000 r6:b6e89000 r5:c4395540 r4:00000000

 3439 21:37:55.811794  # [   86.132349] [<c059bca0>] (vfs_write) from [<c059c358>] (ksys_write+0x74/0xec)

 3440 21:37:55.812173  # [   86.139757]  r10:00000004 r9:00000000 r8:00000000 r7:b6e89000 r6:c683c000 r5:c4395540

 3441 21:37:55.812519  # [   86.147853]  r4:c4395540

 3442 21:37:55.812866  # [   86.150662] [<c059c2e4>] (ksys_write) from [<c059c3e8>] (sys_write+0x18/0x1c)

 3443 21:37:55.813196  # [   86.158070]  r9:c683c000 r8:c03002e4 r7:00000004 r6:b6fd0e00 r5:00000016 r4:00000016

 3444 21:37:55.855362  # [   86.166088] [<c059c3d0>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 3445 21:37:55.855922  # [   86.173928] Exception stack(0xc683dfa8 to 0xc683dff0)

 3446 21:37:55.856296  # [   86.179255] dfa0:                   00000016 00000016 00000001 b6e89000 00000016 00000000

 3447 21:37:55.856640  # [   86.187705] dfc0: 00000016 00000016 b6fd0e00 00000004 00000001 00000000 00020000 bec02ac4

 3448 21:37:55.856967  # [   86.196151] dfe0: 00000004 bec027f8 b6f3ad8f b6ec17e6

 3449 21:37:55.857287  # [   86.201569] irq event stamp: 0

 3450 21:37:55.857600  # [   86.204910] hardirqs last  enabled at (0): [<00000000>] 0x0

 3451 21:37:55.899311  # [   86.210800] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 3452 21:37:55.899873  # [   86.218563] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 3453 21:37:55.900245  # [   86.226354] softirqs last disabled at (0): [<00000000>] 0x0

 3454 21:37:55.900586  # [   86.232230] ---[ end trace c25e2e226ccb7035 ]---

 3455 21:37:55.900913  # [   86.237125] lkdtm: Overflow detected: saturated

 3456 21:37:55.901230  # REFCOUNT_INC_OVERFLOW: missing 'call trace:': [FAIL]

 3457 21:37:55.901539  not ok 42 selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # exit=1

 3458 21:37:55.901854  # selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh

 3459 21:37:56.000851  <6>[   86.762849] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW

 3460 21:37:56.001435  <6>[   86.769143] lkdtm: attempting good refcount_add() without overflow

 3461 21:37:56.001810  <6>[   86.775694] lkdtm: attempting bad refcount_add() overflow

 3462 21:37:56.002219  <4>[   86.781430] ------------[ cut here ]------------

 3463 21:37:56.002558  <4>[   86.786341] WARNING: CPU: 2 PID: 2668 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174

 3464 21:37:56.002931  <4>[   86.795095] refcount_t: saturated; leaking memory.

 3465 21:37:56.044379  <4>[   86.800216] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3

 3466 21:37:56.044959  <4>[   86.829736] CPU: 2 PID: 2668 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 3467 21:37:56.045336  <4>[   86.837751] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 3468 21:37:56.045684  <4>[   86.844549] Backtrace: 

 3469 21:37:56.087338  <4>[   86.847287] [<c13bdcdc>] (dump_backtrace) from [<c13be09c>] (show_stack+0x20/0x24)

 3470 21:37:56.087895  <4>[   86.855132]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8

 3471 21:37:56.088270  <4>[   86.861069] [<c13be07c>] (show_stack) from [<c13c5334>] (dump_stack+0xe0/0x100)

 3472 21:37:56.088619  <4>[   86.868659] [<c13c5254>] (dump_stack) from [<c03567c8>] (__warn+0x98/0x14c)

 3473 21:37:56.088946  <4>[   86.875895]  r9:00000009 r8:c0875abc r7:00000016 r6:00000009 r5:c0875abc r4:c1a29fb4

 3474 21:37:56.089270  <4>[   86.883915] [<c0356730>] (__warn) from [<c13bf1d8>] (warn_slowpath_fmt+0x8c/0xa8)

 3475 21:37:56.135321  <4>[   86.891668]  r7:00000016 r6:c1a29fb4 r5:c1a29f8c r4:c683c000

 3476 21:37:56.135882  <4>[   86.897603] [<c13bf150>] (warn_slowpath_fmt) from [<c0875abc>] (refcount_warn_saturate+0xd4/0x174)

 3477 21:37:56.136259  <4>[   86.906834]  r9:c1ad5ec4 r8:c15ebd54 r7:c683df60 r6:00000016 r5:c6b94000 r4:c683c000

 3478 21:37:56.136605  <4>[   86.914856] [<c08759e8>] (refcount_warn_saturate) from [<c0c5956c>] (__refcount_add.constprop.0+0x44/0x58)

 3479 21:37:56.136934  <4>[   86.924790] [<c0c59528>] (__refcount_add.constprop.0) from [<c13cbfa8>] (lkdtm_REFCOUNT_ADD_OVERFLOW+0x84/0xa8)

 3480 21:37:56.179409  <4>[   86.935153] [<c13cbf24>] (lkdtm_REFCOUNT_ADD_OVERFLOW) from [<c0c584e8>] (lkdtm_do_action+0x2c/0x4c)

 3481 21:37:56.179975  <4>[   86.944552]  r4:0000002c

 3482 21:37:56.180350  <4>[   86.947359] [<c0c584bc>] (lkdtm_do_action) from [<c0c589e8>] (direct_entry+0x120/0x18c)

 3483 21:37:56.180698  <4>[   86.955644] [<c0c588c8>] (direct_entry) from [<c07e211c>] (full_proxy_write+0x64/0x94)

 3484 21:37:56.181030  <4>[   86.963834]  r9:c683df60 r8:c517a780 r7:00000016 r6:b6e4d000 r5:c68d6b40 r4:c0c588c8

 3485 21:37:56.223394  <4>[   86.971857] [<c07e20b8>] (full_proxy_write) from [<c059bdac>] (vfs_write+0x10c/0x53c)

 3486 21:37:56.223956  <4>[   86.979961]  r9:c07e20b8 r8:c683df60 r7:c290d000 r6:b6e4d000 r5:c68d6b40 r4:00000000

 3487 21:37:56.224333  <4>[   86.987978] [<c059bca0>] (vfs_write) from [<c059c358>] (ksys_write+0x74/0xec)

 3488 21:37:56.224675  <4>[   86.995387]  r10:00000004 r9:00000000 r8:00000000 r7:b6e4d000 r6:c683c000 r5:c68d6b40

 3489 21:37:56.225002  <4>[   87.003483]  r4:c68d6b40

 3490 21:37:56.225321  <4>[   87.006292] [<c059c2e4>] (ksys_write) from [<c059c3e8>] (sys_write+0x18/0x1c)

 3491 21:37:56.225637  <4>[   87.013701]  r9:c683c000 r8:c03002e4 r7:00000004 r6:b6f94e00 r5:00000016 r4:00000016

 3492 21:37:56.270922  <4>[   87.021719] [<c059c3d0>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 3493 21:37:56.271073  <4>[   87.029557] Exception stack(0xc683dfa8 to 0xc683dff0)

 3494 21:37:56.271176  <4>[   87.034882] dfa0:                   00000016 00000016 00000001 b6e4d000 00000016 00000000

 3495 21:37:56.271236  <4>[   87.043332] dfc0: 00000016 00000016 b6f94e00 00000004 00000001 00000000 00020000 bedb6ac4

 3496 21:37:56.271331  <4>[   87.051779] dfe0: 00000004 bedb67f8 b6efed8f b6e857e6

 3497 21:37:56.271386  <4>[   87.057205] irq event stamp: 0

 3498 21:37:56.311066  <4>[   87.060580] hardirqs last  enabled at (0): [<00000000>] 0x0

 3499 21:37:56.311153  <4>[   87.066444] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 3500 21:37:56.311224  <4>[   87.074294] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 3501 21:37:56.311289  <4>[   87.082131] softirqs last disabled at (0): [<00000000>] 0x0

 3502 21:37:56.311351  <4>[   87.087994] ---[ end trace c25e2e226ccb7036 ]---

 3503 21:37:56.311411  <6>[   87.092954] lkdtm: Overflow detected: saturated

 3504 21:37:56.444609  # [   86.762849] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW

 3505 21:37:56.445198  # [   86.769143] lkdtm: attempting good refcount_add() without overflow

 3506 21:37:56.445571  # [   86.775694] lkdtm: attempting bad refcount_add() overflow

 3507 21:37:56.445911  # [   86.781430] ------------[ cut here ]------------

 3508 21:37:56.446234  # [   86.786341] WARNING: CPU: 2 PID: 2668 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174

 3509 21:37:56.446580  # [   86.795095] refcount_t: saturated; leaking memory.

 3510 21:37:56.487675  # [   86.800216] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3

 3511 21:37:56.488248  # [   86.829736] CPU: 2 PID: 2668 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 3512 21:37:56.488624  # [   86.837751] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 3513 21:37:56.488963  # [   86.844549] Backtrace: 

 3514 21:37:56.535443  # [   86.847287] [<c13bdcdc>] (dump_backtrace) from [<c13be09c>] (show_stack+0x20/0x24)

 3515 21:37:56.536004  # [   86.855132]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8

 3516 21:37:56.536377  # [   86.861069] [<c13be07c>] (show_stack) from [<c13c5334>] (dump_stack+0xe0/0x100)

 3517 21:37:56.536721  # [   86.868659] [<c13c5254>] (dump_stack) from [<c03567c8>] (__warn+0x98/0x14c)

 3518 21:37:56.537048  # [   86.875895]  r9:00000009 r8:c0875abc r7:00000016 r6:00000009 r5:c0875abc r4:c1a29fb4

 3519 21:37:56.537368  # [   86.883915] [<c0356730>] (__warn) from [<c13bf1d8>] (warn_slowpath_fmt+0x8c/0xa8)

 3520 21:37:56.579368  # [   86.891668]  r7:00000016 r6:c1a29fb4 r5:c1a29f8c r4:c683c000

 3521 21:37:56.579954  # [   86.897603] [<c13bf150>] (warn_slowpath_fmt) from [<c0875abc>] (refcount_warn_saturate+0xd4/0x174)

 3522 21:37:56.580337  # [   86.906834]  r9:c1ad5ec4 r8:c15ebd54 r7:c683df60 r6:00000016 r5:c6b94000 r4:c683c000

 3523 21:37:56.580680  # [   86.914856] [<c08759e8>] (refcount_warn_saturate) from [<c0c5956c>] (__refcount_add.constprop.0+0x44/0x58)

 3524 21:37:56.581010  # [   86.924790] [<c0c59528>] (__refcount_add.constprop.0) from [<c13cbfa8>] (lkdtm_REFCOUNT_ADD_OVERFLOW+0x84/0xa8)

 3525 21:37:56.623297  # [   86.935153] [<c13cbf24>] (lkdtm_REFCOUNT_ADD_OVERFLOW) from [<c0c584e8>] (lkdtm_do_action+0x2c/0x4c)

 3526 21:37:56.623859  # [   86.944552]  r4:0000002c

 3527 21:37:56.624243  # [   86.947359] [<c0c584bc>] (lkdtm_do_action) from [<c0c589e8>] (direct_entry+0x120/0x18c)

 3528 21:37:56.624585  # [   86.955644] [<c0c588c8>] (direct_entry) from [<c07e211c>] (full_proxy_write+0x64/0x94)

 3529 21:37:56.624914  # [   86.963834]  r9:c683df60 r8:c517a780 r7:00000016 r6:b6e4d000 r5:c68d6b40 r4:c0c588c8

 3530 21:37:56.625238  # [   86.971857] [<c07e20b8>] (full_proxy_write) from [<c059bdac>] (vfs_write+0x10c/0x53c)

 3531 21:37:56.667361  # [   86.979961]  r9:c07e20b8 r8:c683df60 r7:c290d000 r6:b6e4d000 r5:c68d6b40 r4:00000000

 3532 21:37:56.667926  # [   86.987978] [<c059bca0>] (vfs_write) from [<c059c358>] (ksys_write+0x74/0xec)

 3533 21:37:56.668311  # [   86.995387]  r10:00000004 r9:00000000 r8:00000000 r7:b6e4d000 r6:c683c000 r5:c68d6b40

 3534 21:37:56.668655  # [   87.003483]  r4:c68d6b40

 3535 21:37:56.668981  # [   87.006292] [<c059c2e4>] (ksys_write) from [<c059c3e8>] (sys_write+0x18/0x1c)

 3536 21:37:56.669303  # [   87.013701]  r9:c683c000 r8:c03002e4 r7:00000004 r6:b6f94e00 r5:00000016 r4:00000016

 3537 21:37:56.711274  # [   87.021719] [<c059c3d0>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 3538 21:37:56.711826  # [   87.029557] Exception stack(0xc683dfa8 to 0xc683dff0)

 3539 21:37:56.712194  # [   87.034882] dfa0:                   00000016 00000016 00000001 b6e4d000 00000016 00000000

 3540 21:37:56.712582  # [   87.043332] dfc0: 00000016 00000016 b6f94e00 00000004 00000001 00000000 00020000 bedb6ac4

 3541 21:37:56.712914  # [   87.051779] dfe0: 00000004 bedb67f8 b6efed8f b6e857e6

 3542 21:37:56.713234  # [   87.057205] irq event stamp: 0

 3543 21:37:56.713544  # [   87.060580] hardirqs last  enabled at (0): [<00000000>] 0x0

 3544 21:37:56.756439  # [   87.066444] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 3545 21:37:56.756996  # [   87.074294] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 3546 21:37:56.757367  # [   87.082131] softirqs last disabled at (0): [<00000000>] 0x0

 3547 21:37:56.757709  # [   87.087994] ---[ end trace c25e2e226ccb7036 ]---

 3548 21:37:56.758030  # [   87.092954] lkdtm: Overflow detected: saturated

 3549 21:37:56.758343  # REFCOUNT_ADD_OVERFLOW: missing 'call trace:': [FAIL]

 3550 21:37:56.758655  not ok 43 selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh # exit=1

 3551 21:37:56.759026  # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh

 3552 21:37:56.853670  <6>[   87.615867] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW

 3553 21:37:56.854224  <6>[   87.623004] lkdtm: attempting bad refcount_inc_not_zero() overflow

 3554 21:37:56.854594  <4>[   87.629462] ------------[ cut here ]------------

 3555 21:37:56.855025  <4>[   87.634439] WARNING: CPU: 1 PID: 2703 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174

 3556 21:37:56.855368  <4>[   87.643189] refcount_t: saturated; leaking memory.

 3557 21:37:56.896995  <4>[   87.648256] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3

 3558 21:37:56.897634  <4>[   87.677745] CPU: 1 PID: 2703 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 3559 21:37:56.898194  <4>[   87.685759] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 3560 21:37:56.898560  <4>[   87.692555] Backtrace: 

 3561 21:37:56.940281  <4>[   87.695291] [<c13bdcdc>] (dump_backtrace) from [<c13be09c>] (show_stack+0x20/0x24)

 3562 21:37:56.940842  <4>[   87.703136]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8

 3563 21:37:56.941217  <4>[   87.709073] [<c13be07c>] (show_stack) from [<c13c5334>] (dump_stack+0xe0/0x100)

 3564 21:37:56.941562  <4>[   87.716663] [<c13c5254>] (dump_stack) from [<c03567c8>] (__warn+0x98/0x14c)

 3565 21:37:56.941931  <4>[   87.723900]  r9:00000009 r8:c0875a88 r7:00000013 r6:00000009 r5:c0875a88 r4:c1a29fb4

 3566 21:37:56.942257  <4>[   87.731918] [<c0356730>] (__warn) from [<c13bf1d8>] (warn_slowpath_fmt+0x8c/0xa8)

 3567 21:37:56.942572  <4>[   87.739673]  r7:00000013 r6:c1a29fb4 r5:c1a29f8c r4:c6c3a000

 3568 21:37:56.987424  <4>[   87.745608] [<c13bf150>] (warn_slowpath_fmt) from [<c0875a88>] (refcount_warn_saturate+0xa0/0x174)

 3569 21:37:56.987987  <4>[   87.754840]  r9:c1ad5edc r8:c15ebd54 r7:c6c3bf60 r6:0000001f r5:c6b90000 r4:7fffffff

 3570 21:37:56.988442  <4>[   87.762865] [<c08759e8>] (refcount_warn_saturate) from [<c13cbe74>] (__refcount_add_not_zero.constprop.0+0x64/0x78)

 3571 21:37:56.988827  <4>[   87.773577] [<c13cbe10>] (__refcount_add_not_zero.constprop.0) from [<c13cc01c>] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x50/0x88)

 3572 21:37:56.989164  <4>[   87.785495]  r5:c6b90000 r4:c6c3a000

 3573 21:37:57.031391  <4>[   87.789351] [<c13cbfcc>] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW) from [<c0c584e8>] (lkdtm_do_action+0x2c/0x4c)

 3574 21:37:57.031953  <4>[   87.799531]  r4:0000002d

 3575 21:37:57.032326  <4>[   87.802338] [<c0c584bc>] (lkdtm_do_action) from [<c0c589e8>] (direct_entry+0x120/0x18c)

 3576 21:37:57.032669  <4>[   87.810624] [<c0c588c8>] (direct_entry) from [<c07e211c>] (full_proxy_write+0x64/0x94)

 3577 21:37:57.032995  <4>[   87.818813]  r9:c6c3bf60 r8:c517a780 r7:0000001f r6:b6e21000 r5:c68eac80 r4:c0c588c8

 3578 21:37:57.079251  <4>[   87.826837] [<c07e20b8>] (full_proxy_write) from [<c059bdac>] (vfs_write+0x10c/0x53c)

 3579 21:37:57.079803  <4>[   87.834941]  r9:c07e20b8 r8:c6c3bf60 r7:c290d000 r6:b6e21000 r5:c68eac80 r4:00000000

 3580 21:37:57.080170  <4>[   87.842958] [<c059bca0>] (vfs_write) from [<c059c358>] (ksys_write+0x74/0xec)

 3581 21:37:57.080508  <4>[   87.850367]  r10:00000004 r9:00000000 r8:00000000 r7:b6e21000 r6:c6c3a000 r5:c68eac80

 3582 21:37:57.080871  <4>[   87.858464]  r4:c68eac80

 3583 21:37:57.081189  <4>[   87.861272] [<c059c2e4>] (ksys_write) from [<c059c3e8>] (sys_write+0x18/0x1c)

 3584 21:37:57.123276  <4>[   87.868681]  r9:c6c3a000 r8:c03002e4 r7:00000004 r6:b6f68e00 r5:0000001f r4:0000001f

 3585 21:37:57.123850  <4>[   87.876699] [<c059c3d0>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 3586 21:37:57.124230  <4>[   87.884537] Exception stack(0xc6c3bfa8 to 0xc6c3bff0)

 3587 21:37:57.124575  <4>[   87.889860] bfa0:                   0000001f 0000001f 00000001 b6e21000 0000001f 00000000

 3588 21:37:57.124904  <4>[   87.898311] bfc0: 0000001f 0000001f b6f68e00 00000004 00000001 00000000 00020000 bef4fac4

 3589 21:37:57.125223  <4>[   87.906756] bfe0: 00000004 bef4f7f8 b6ed2d8f b6e597e6

 3590 21:37:57.125563  <4>[   87.912146] irq event stamp: 0

 3591 21:37:57.170937  <4>[   87.915493] hardirqs last  enabled at (0): [<00000000>] 0x0

 3592 21:37:57.171022  <4>[   87.921379] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 3593 21:37:57.171110  <4>[   87.929160] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 3594 21:37:57.171175  <4>[   87.936999] softirqs last disabled at (0): [<00000000>] 0x0

 3595 21:37:57.171236  <4>[   87.942892] ---[ end trace c25e2e226ccb7037 ]---

 3596 21:37:57.171295  <6>[   87.947806] lkdtm: Overflow detected: saturated

 3597 21:37:57.306399  # [   87.615867] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW

 3598 21:37:57.307046  # [   87.623004] lkdtm: attempting bad refcount_inc_not_zero() overflow

 3599 21:37:57.307486  # [   87.629462] ------------[ cut here ]------------

 3600 21:37:57.307836  # [   87.634439] WARNING: CPU: 1 PID: 2703 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174

 3601 21:37:57.308166  # [   87.643189] refcount_t: saturated; leaking memory.

 3602 21:37:57.349456  # [   87.648256] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3

 3603 21:37:57.350077  # [   87.677745] CPU: 1 PID: 2703 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 3604 21:37:57.350501  # [   87.685759] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 3605 21:37:57.350898  # [   87.692555] Backtrace: 

 3606 21:37:57.351237  # [   87.695291] [<c13bdcdc>] (dump_backtrace) from [<c13be09c>] (show_stack+0x20/0x24)

 3607 21:37:57.392701  # [   87.703136]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8

 3608 21:37:57.393262  # [   87.709073] [<c13be07c>] (show_stack) from [<c13c5334>] (dump_stack+0xe0/0x100)

 3609 21:37:57.393633  # [   87.716663] [<c13c5254>] (dump_stack) from [<c03567c8>] (__warn+0x98/0x14c)

 3610 21:37:57.393975  # [   87.723900]  r9:00000009 r8:c0875a88 r7:00000013 r6:00000009 r5:c0875a88 r4:c1a29fb4

 3611 21:37:57.394303  # [   87.731918] [<c0356730>] (__warn) from [<c13bf1d8>] (warn_slowpath_fmt+0x8c/0xa8)

 3612 21:37:57.394686  # [   87.739673]  r7:00000013 r6:c1a29fb4 r5:c1a29f8c r4:c6c3a000

 3613 21:37:57.435908  # [   87.745608] [<c13bf150>] (warn_slowpath_fmt) from [<c0875a88>] (refcount_warn_saturate+0xa0/0x174)

 3614 21:37:57.436474  # [   87.754840]  r9:c1ad5edc r8:c15ebd54 r7:c6c3bf60 r6:0000001f r5:c6b90000 r4:7fffffff

 3615 21:37:57.436840  # [   87.762865] [<c08759e8>] (refcount_warn_saturate) from [<c13cbe74>] (__refcount_add_not_zero.constprop.0+0x64/0x78)

 3616 21:37:57.437179  # [   87.773577] [<c13cbe10>] (__refcount_add_not_zero.constprop.0) from [<c13cc01c>] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x50/0x88)

 3617 21:37:57.437504  # [   87.785495]  r5:c6b90000 r4:c6c3a000

 3618 21:37:57.479277  # [   87.789351] [<c13cbfcc>] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW) from [<c0c584e8>] (lkdtm_do_action+0x2c/0x4c)

 3619 21:37:57.479872  # [   87.799531]  r4:0000002d

 3620 21:37:57.480246  # [   87.802338] [<c0c584bc>] (lkdtm_do_action) from [<c0c589e8>] (direct_entry+0x120/0x18c)

 3621 21:37:57.480592  # [   87.810624] [<c0c588c8>] (direct_entry) from [<c07e211c>] (full_proxy_write+0x64/0x94)

 3622 21:37:57.480924  # [   87.818813]  r9:c6c3bf60 r8:c517a780 r7:0000001f r6:b6e21000 r5:c68eac80 r4:c0c588c8

 3623 21:37:57.481248  # [   87.826837] [<c07e20b8>] (full_proxy_write) from [<c059bdac>] (vfs_write+0x10c/0x53c)

 3624 21:37:57.523228  # [   87.834941]  r9:c07e20b8 r8:c6c3bf60 r7:c290d000 r6:b6e21000 r5:c68eac80 r4:00000000

 3625 21:37:57.523804  # [   87.842958] [<c059bca0>] (vfs_write) from [<c059c358>] (ksys_write+0x74/0xec)

 3626 21:37:57.524189  # [   87.850367]  r10:00000004 r9:00000000 r8:00000000 r7:b6e21000 r6:c6c3a000 r5:c68eac80

 3627 21:37:57.524536  # [   87.858464]  r4:c68eac80

 3628 21:37:57.524861  # [   87.861272] [<c059c2e4>] (ksys_write) from [<c059c3e8>] (sys_write+0x18/0x1c)

 3629 21:37:57.525181  # [   87.868681]  r9:c6c3a000 r8:c03002e4 r7:00000004 r6:b6f68e00 r5:0000001f r4:0000001f

 3630 21:37:57.567335  # [   87.876699] [<c059c3d0>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 3631 21:37:57.567912  # [   87.884537] Exception stack(0xc6c3bfa8 to 0xc6c3bff0)

 3632 21:37:57.568294  # [   87.889860] bfa0:                   0000001f 0000001f 00000001 b6e21000 0000001f 00000000

 3633 21:37:57.568641  # [   87.898311] bfc0: 0000001f 0000001f b6f68e00 00000004 00000001 00000000 00020000 bef4fac4

 3634 21:37:57.568972  # [   87.906756] bfe0: 00000004 bef4f7f8 b6ed2d8f b6e597e6

 3635 21:37:57.569293  # [   87.912146] irq event stamp: 0

 3636 21:37:57.569606  # [   87.915493] hardirqs last  enabled at (0): [<00000000>] 0x0

 3637 21:37:57.611229  # [   87.921379] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 3638 21:37:57.611880  # [   87.929160] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 3639 21:37:57.612259  # [   87.936999] softirqs last disabled at (0): [<00000000>] 0x0

 3640 21:37:57.612606  # [   87.942892] ---[ end trace c25e2e226ccb7037 ]---

 3641 21:37:57.612938  # [   87.947806] lkdtm: Overflow detected: saturated

 3642 21:37:57.613260  # REFCOUNT_INC_NOT_ZERO_OVERFLOW: missing 'call trace:': [FAIL]

 3643 21:37:57.613581  not ok 44 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh # exit=1

 3644 21:37:57.655555  # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh

 3645 21:37:57.731635  <6>[   88.489209] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW

 3646 21:37:57.732205  <6>[   88.496514] lkdtm: attempting bad refcount_add_not_zero() overflow

 3647 21:37:57.732578  <4>[   88.503080] ------------[ cut here ]------------

 3648 21:37:57.732923  <4>[   88.508018] WARNING: CPU: 0 PID: 2738 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174

 3649 21:37:57.733258  <4>[   88.516808] refcount_t: saturated; leaking memory.

 3650 21:37:57.775513  <4>[   88.521912] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3

 3651 21:37:57.776102  <4>[   88.551508] CPU: 0 PID: 2738 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 3652 21:37:57.776485  <4>[   88.559523] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 3653 21:37:57.776835  <4>[   88.566318] Backtrace: 

 3654 21:37:57.777165  <4>[   88.569055] [<c13bdcdc>] (dump_backtrace) from [<c13be09c>] (show_stack+0x20/0x24)

 3655 21:37:57.823492  <4>[   88.576899]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8

 3656 21:37:57.824067  <4>[   88.582839] [<c13be07c>] (show_stack) from [<c13c5334>] (dump_stack+0xe0/0x100)

 3657 21:37:57.824444  <4>[   88.590429] [<c13c5254>] (dump_stack) from [<c03567c8>] (__warn+0x98/0x14c)

 3658 21:37:57.824794  <4>[   88.597668]  r9:00000009 r8:c0875a88 r7:00000013 r6:00000009 r5:c0875a88 r4:c1a29fb4

 3659 21:37:57.825132  <4>[   88.605685] [<c0356730>] (__warn) from [<c13bf1d8>] (warn_slowpath_fmt+0x8c/0xa8)

 3660 21:37:57.825459  <4>[   88.613438]  r7:00000013 r6:c1a29fb4 r5:c1a29f8c r4:c68d0000

 3661 21:37:57.867288  <4>[   88.619374] [<c13bf150>] (warn_slowpath_fmt) from [<c0875a88>] (refcount_warn_saturate+0xa0/0x174)

 3662 21:37:57.867859  <4>[   88.628605]  r9:c1ad5efc r8:c15ebd54 r7:c68d1f60 r6:0000001f r5:c5e07000 r4:7fffffff

 3663 21:37:57.868238  <4>[   88.636628] [<c08759e8>] (refcount_warn_saturate) from [<c13cbe74>] (__refcount_add_not_zero.constprop.0+0x64/0x78)

 3664 21:37:57.868589  <4>[   88.647341] [<c13cbe10>] (__refcount_add_not_zero.constprop.0) from [<c13cc0a4>] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x50/0x88)

 3665 21:37:57.868927  <4>[   88.659258]  r5:c5e07000 r4:c68d0000

 3666 21:37:57.911412  <4>[   88.663115] [<c13cc054>] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW) from [<c0c584e8>] (lkdtm_do_action+0x2c/0x4c)

 3667 21:37:57.911990  <4>[   88.673295]  r4:0000002e

 3668 21:37:57.912370  <4>[   88.676102] [<c0c584bc>] (lkdtm_do_action) from [<c0c589e8>] (direct_entry+0x120/0x18c)

 3669 21:37:57.912723  <4>[   88.684387] [<c0c588c8>] (direct_entry) from [<c07e211c>] (full_proxy_write+0x64/0x94)

 3670 21:37:57.913061  <4>[   88.692578]  r9:c68d1f60 r8:c517a780 r7:0000001f r6:b6eb1000 r5:c4786f00 r4:c0c588c8

 3671 21:37:57.913389  <4>[   88.700601] [<c07e20b8>] (full_proxy_write) from [<c059bdac>] (vfs_write+0x10c/0x53c)

 3672 21:37:57.955255  <4>[   88.708705]  r9:c07e20b8 r8:c68d1f60 r7:c290d000 r6:b6eb1000 r5:c4786f00 r4:00000000

 3673 21:37:57.955831  <4>[   88.716722] [<c059bca0>] (vfs_write) from [<c059c358>] (ksys_write+0x74/0xec)

 3674 21:37:57.956207  <4>[   88.724132]  r10:00000004 r9:00000000 r8:00000000 r7:b6eb1000 r6:c68d0000 r5:c4786f00

 3675 21:37:57.956556  <4>[   88.732227]  r4:c4786f00

 3676 21:37:57.956889  <4>[   88.735035] [<c059c2e4>] (ksys_write) from [<c059c3e8>] (sys_write+0x18/0x1c)

 3677 21:37:57.957221  <4>[   88.742443]  r9:c68d0000 r8:c03002e4 r7:00000004 r6:b6ff8e00 r5:0000001f r4:0000001f

 3678 21:37:58.003523  <4>[   88.750462] [<c059c3d0>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 3679 21:37:58.004176  <4>[   88.758300] Exception stack(0xc68d1fa8 to 0xc68d1ff0)

 3680 21:37:58.004686  <4>[   88.763625] 1fa0:                   0000001f 0000001f 00000001 b6eb1000 0000001f 00000000

 3681 21:37:58.005052  <4>[   88.772076] 1fc0: 0000001f 0000001f b6ff8e00 00000004 00000001 00000000 00020000 bed81ac4

 3682 21:37:58.005395  <4>[   88.780522] 1fe0: 00000004 bed817f8 b6f62d8f b6ee97e6

 3683 21:37:58.005722  <4>[   88.785919] irq event stamp: 0

 3684 21:37:58.006039  <4>[   88.789266] hardirqs last  enabled at (0): [<00000000>] 0x0

 3685 21:37:58.047173  <4>[   88.795162] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 3686 21:37:58.047604  <4>[   88.802974] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 3687 21:37:58.047943  <4>[   88.812485] softirqs last disabled at (0): [<00000000>] 0x0

 3688 21:37:58.048256  <4>[   88.818892] ---[ end trace c25e2e226ccb7038 ]---

 3689 21:37:58.048556  <6>[   88.823852] lkdtm: Overflow detected: saturated

 3690 21:37:58.207541  # [   88.489209] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW

 3691 21:37:58.208115  # [   88.496514] lkdtm: attempting bad refcount_add_not_zero() overflow

 3692 21:37:58.208489  # [   88.503080] ------------[ cut here ]------------

 3693 21:37:58.208835  # [   88.508018] WARNING: CPU: 0 PID: 2738 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174

 3694 21:37:58.209240  # [   88.516808] refcount_t: saturated; leaking memory.

 3695 21:37:58.251264  # [   88.521912] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3

 3696 21:37:58.251998  # [   88.551508] CPU: 0 PID: 2738 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 3697 21:37:58.252394  # [   88.559523] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 3698 21:37:58.252819  # [   88.566318] Backtrace: 

 3699 21:37:58.253279  # [   88.569055] [<c13bdcdc>] (dump_backtrace) from [<c13be09c>] (show_stack+0x20/0x24)

 3700 21:37:58.295357  # [   88.576899]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8

 3701 21:37:58.295928  # [   88.582839] [<c13be07c>] (show_stack) from [<c13c5334>] (dump_stack+0xe0/0x100)

 3702 21:37:58.296312  # [   88.590429] [<c13c5254>] (dump_stack) from [<c03567c8>] (__warn+0x98/0x14c)

 3703 21:37:58.296659  # [   88.597668]  r9:00000009 r8:c0875a88 r7:00000013 r6:00000009 r5:c0875a88 r4:c1a29fb4

 3704 21:37:58.296991  # [   88.605685] [<c0356730>] (__warn) from [<c13bf1d8>] (warn_slowpath_fmt+0x8c/0xa8)

 3705 21:37:58.297315  # [   88.613438]  r7:00000013 r6:c1a29fb4 r5:c1a29f8c r4:c68d0000

 3706 21:37:58.343272  # [   88.619374] [<c13bf150>] (warn_slowpath_fmt) from [<c0875a88>] (refcount_warn_saturate+0xa0/0x174)

 3707 21:37:58.343853  # [   88.628605]  r9:c1ad5efc r8:c15ebd54 r7:c68d1f60 r6:0000001f r5:c5e07000 r4:7fffffff

 3708 21:37:58.344252  # [   88.636628] [<c08759e8>] (refcount_warn_saturate) from [<c13cbe74>] (__refcount_add_not_zero.constprop.0+0x64/0x78)

 3709 21:37:58.344606  # [   88.647341] [<c13cbe10>] (__refcount_add_not_zero.constprop.0) from [<c13cc0a4>] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x50/0x88)

 3710 21:37:58.344960  # [   88.659258]  r5:c5e07000 r4:c68d0000

 3711 21:37:58.387234  # [   88.663115] [<c13cc054>] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW) from [<c0c584e8>] (lkdtm_do_action+0x2c/0x4c)

 3712 21:37:58.387808  # [   88.673295]  r4:0000002e

 3713 21:37:58.388181  # [   88.676102] [<c0c584bc>] (lkdtm_do_action) from [<c0c589e8>] (direct_entry+0x120/0x18c)

 3714 21:37:58.388534  # [   88.684387] [<c0c588c8>] (direct_entry) from [<c07e211c>] (full_proxy_write+0x64/0x94)

 3715 21:37:58.388866  # [   88.692578]  r9:c68d1f60 r8:c517a780 r7:0000001f r6:b6eb1000 r5:c4786f00 r4:c0c588c8

 3716 21:37:58.389190  # [   88.700601] [<c07e20b8>] (full_proxy_write) from [<c059bdac>] (vfs_write+0x10c/0x53c)

 3717 21:37:58.431272  # [   88.708705]  r9:c07e20b8 r8:c68d1f60 r7:c290d000 r6:b6eb1000 r5:c4786f00 r4:00000000

 3718 21:37:58.431842  # [   88.716722] [<c059bca0>] (vfs_write) from [<c059c358>] (ksys_write+0x74/0xec)

 3719 21:37:58.432219  # [   88.724132]  r10:00000004 r9:00000000 r8:00000000 r7:b6eb1000 r6:c68d0000 r5:c4786f00

 3720 21:37:58.432565  # [   88.732227]  r4:c4786f00

 3721 21:37:58.432895  # [   88.735035] [<c059c2e4>] (ksys_write) from [<c059c3e8>] (sys_write+0x18/0x1c)

 3722 21:37:58.433220  # [   88.742443]  r9:c68d0000 r8:c03002e4 r7:00000004 r6:b6ff8e00 r5:0000001f r4:0000001f

 3723 21:37:58.479391  # [   88.750462] [<c059c3d0>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 3724 21:37:58.479965  # [   88.758300] Exception stack(0xc68d1fa8 to 0xc68d1ff0)

 3725 21:37:58.480344  # [   88.763625] 1fa0:                   0000001f 0000001f 00000001 b6eb1000 0000001f 00000000

 3726 21:37:58.480696  # [   88.772076] 1fc0: 0000001f 0000001f b6ff8e00 00000004 00000001 00000000 00020000 bed81ac4

 3727 21:37:58.481027  # [   88.780522] 1fe0: 00000004 bed817f8 b6f62d8f b6ee97e6

 3728 21:37:58.481354  # [   88.785919] irq event stamp: 0

 3729 21:37:58.481673  # [   88.789266] hardirqs last  enabled at (0): [<00000000>] 0x0

 3730 21:37:58.523236  # [   88.795162] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 3731 21:37:58.523810  # [   88.802974] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 3732 21:37:58.524187  # [   88.812485] softirqs last disabled at (0): [<00000000>] 0x0

 3733 21:37:58.524532  # [   88.818892] ---[ end trace c25e2e226ccb7038 ]---

 3734 21:37:58.524861  # [   88.823852] lkdtm: Overflow detected: saturated

 3735 21:37:58.525185  # REFCOUNT_ADD_NOT_ZERO_OVERFLOW: missing 'call trace:': [FAIL]

 3736 21:37:58.525503  not ok 45 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh # exit=1

 3737 21:37:58.567272  # selftests: lkdtm: REFCOUNT_DEC_ZERO.sh

 3738 21:37:58.632346  <6>[   89.391654] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO

 3739 21:37:58.632922  <6>[   89.397600] lkdtm: attempting good refcount_dec()

 3740 21:37:58.633297  <6>[   89.402633] lkdtm: attempting bad refcount_dec() to zero

 3741 21:37:58.633646  <4>[   89.408222] ------------[ cut here ]------------

 3742 21:37:58.634084  <4>[   89.413186] WARNING: CPU: 0 PID: 2773 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174

 3743 21:37:58.634554  <4>[   89.421934] refcount_t: decrement hit 0; leaking memory.

 3744 21:37:58.675514  <4>[   89.427522] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3

 3745 21:37:58.676103  <4>[   89.457116] CPU: 0 PID: 2773 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 3746 21:37:58.676485  <4>[   89.465131] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 3747 21:37:58.676838  <4>[   89.471926] Backtrace: 

 3748 21:37:58.723370  <4>[   89.474663] [<c13bdcdc>] (dump_backtrace) from [<c13be09c>] (show_stack+0x20/0x24)

 3749 21:37:58.723958  <4>[   89.482508]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8

 3750 21:37:58.724341  <4>[   89.488446] [<c13be07c>] (show_stack) from [<c13c5334>] (dump_stack+0xe0/0x100)

 3751 21:37:58.724691  <4>[   89.496035] [<c13c5254>] (dump_stack) from [<c03567c8>] (__warn+0x98/0x14c)

 3752 21:37:58.725026  <4>[   89.503273]  r9:00000009 r8:c0875a54 r7:0000001f r6:00000009 r5:c0875a54 r4:c1a29fb4

 3753 21:37:58.725352  <4>[   89.511290] [<c0356730>] (__warn) from [<c13bf1d8>] (warn_slowpath_fmt+0x8c/0xa8)

 3754 21:37:58.771378  <4>[   89.519044]  r7:0000001f r6:c1a29fb4 r5:c1a2a018 r4:c6a9a000

 3755 21:37:58.772195  <4>[   89.524980] [<c13bf150>] (warn_slowpath_fmt) from [<c0875a54>] (refcount_warn_saturate+0x6c/0x174)

 3756 21:37:58.772600  <4>[   89.534211]  r9:c1ad5f1c r8:c15ebd54 r7:c6a9bf60 r6:00000012 r5:c6a5d000 r4:c6a9a000

 3757 21:37:58.772954  <4>[   89.542231] [<c08759e8>] (refcount_warn_saturate) from [<c13cbe0c>] (__refcount_dec.constprop.0+0x38/0x3c)

 3758 21:37:58.773300  <4>[   89.552161] [<c13cbdd4>] (__refcount_dec.constprop.0) from [<c13cc138>] (lkdtm_REFCOUNT_DEC_ZERO+0x5c/0xd8)

 3759 21:37:58.815451  <4>[   89.562179] [<c13cc0dc>] (lkdtm_REFCOUNT_DEC_ZERO) from [<c0c584e8>] (lkdtm_do_action+0x2c/0x4c)

 3760 21:37:58.816029  <4>[   89.571232]  r4:0000002f

 3761 21:37:58.816405  <4>[   89.574039] [<c0c584bc>] (lkdtm_do_action) from [<c0c589e8>] (direct_entry+0x120/0x18c)

 3762 21:37:58.816754  <4>[   89.582324] [<c0c588c8>] (direct_entry) from [<c07e211c>] (full_proxy_write+0x64/0x94)

 3763 21:37:58.817088  <4>[   89.590513]  r9:c6a9bf60 r8:c517a780 r7:00000012 r6:b6e59000 r5:c5f86a00 r4:c0c588c8

 3764 21:37:58.817416  <4>[   89.598537] [<c07e20b8>] (full_proxy_write) from [<c059bdac>] (vfs_write+0x10c/0x53c)

 3765 21:37:58.859366  <4>[   89.606639]  r9:c07e20b8 r8:c6a9bf60 r7:c290d000 r6:b6e59000 r5:c5f86a00 r4:00000000

 3766 21:37:58.859953  <4>[   89.614656] [<c059bca0>] (vfs_write) from [<c059c358>] (ksys_write+0x74/0xec)

 3767 21:37:58.860332  <4>[   89.622063]  r10:00000004 r9:00000000 r8:00000000 r7:b6e59000 r6:c6a9a000 r5:c5f86a00

 3768 21:37:58.860678  <4>[   89.630160]  r4:c5f86a00

 3769 21:37:58.861010  <4>[   89.632969] [<c059c2e4>] (ksys_write) from [<c059c3e8>] (sys_write+0x18/0x1c)

 3770 21:37:58.861341  <4>[   89.640378]  r9:c6a9a000 r8:c03002e4 r7:00000004 r6:b6fa0e00 r5:00000012 r4:00000012

 3771 21:37:58.907473  <4>[   89.648396] [<c059c3d0>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 3772 21:37:58.908055  <4>[   89.656235] Exception stack(0xc6a9bfa8 to 0xc6a9bff0)

 3773 21:37:58.908435  <4>[   89.661559] bfa0:                   00000012 00000012 00000001 b6e59000 00000012 00000000

 3774 21:37:58.908783  <4>[   89.670010] bfc0: 00000012 00000012 b6fa0e00 00000004 00000001 00000000 00020000 be8afac4

 3775 21:37:58.909117  <4>[   89.678455] bfe0: 00000004 be8af7f8 b6f0ad8f b6e917e6

 3776 21:37:58.909446  <4>[   89.683862] irq event stamp: 0

 3777 21:37:58.909765  <4>[   89.687199] hardirqs last  enabled at (0): [<00000000>] 0x0

 3778 21:37:58.955191  <4>[   89.693089] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 3779 21:37:58.955623  <4>[   89.701280] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 3780 21:37:58.955964  <4>[   89.709052] softirqs last disabled at (0): [<00000000>] 0x0

 3781 21:37:58.956284  <4>[   89.715955] ---[ end trace c25e2e226ccb7039 ]---

 3782 21:37:58.956590  <6>[   89.720896] lkdtm: Zero detected: saturated

 3783 21:37:59.100869  # [   89.391654] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO

 3784 21:37:59.101438  # [   89.397600] lkdtm: attempting good refcount_dec()

 3785 21:37:59.101812  # [   89.402633] lkdtm: attempting bad refcount_dec() to zero

 3786 21:37:59.102156  # [   89.408222] ------------[ cut here ]------------

 3787 21:37:59.102489  # [   89.413186] WARNING: CPU: 0 PID: 2773 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174

 3788 21:37:59.102867  # [   89.421934] refcount_t: decrement hit 0; leaking memory.

 3789 21:37:59.143902  # [   89.427522] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3

 3790 21:37:59.144510  # [   89.457116] CPU: 0 PID: 2773 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 3791 21:37:59.144893  # [   89.465131] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 3792 21:37:59.145243  # [   89.471926] Backtrace: 

 3793 21:37:59.191480  # [   89.474663] [<c13bdcdc>] (dump_backtrace) from [<c13be09c>] (show_stack+0x20/0x24)

 3794 21:37:59.192055  # [   89.482508]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8

 3795 21:37:59.192433  # [   89.488446] [<c13be07c>] (show_stack) from [<c13c5334>] (dump_stack+0xe0/0x100)

 3796 21:37:59.192784  # [   89.496035] [<c13c5254>] (dump_stack) from [<c03567c8>] (__warn+0x98/0x14c)

 3797 21:37:59.193115  # [   89.503273]  r9:00000009 r8:c0875a54 r7:0000001f r6:00000009 r5:c0875a54 r4:c1a29fb4

 3798 21:37:59.193534  # [   89.511290] [<c0356730>] (__warn) from [<c13bf1d8>] (warn_slowpath_fmt+0x8c/0xa8)

 3799 21:37:59.239362  # [   89.519044]  r7:0000001f r6:c1a29fb4 r5:c1a2a018 r4:c6a9a000

 3800 21:37:59.239955  # [   89.524980] [<c13bf150>] (warn_slowpath_fmt) from [<c0875a54>] (refcount_warn_saturate+0x6c/0x174)

 3801 21:37:59.240343  # [   89.534211]  r9:c1ad5f1c r8:c15ebd54 r7:c6a9bf60 r6:00000012 r5:c6a5d000 r4:c6a9a000

 3802 21:37:59.240693  # [   89.542231] [<c08759e8>] (refcount_warn_saturate) from [<c13cbe0c>] (__refcount_dec.constprop.0+0x38/0x3c)

 3803 21:37:59.241056  # [   89.552161] [<c13cbdd4>] (__refcount_dec.constprop.0) from [<c13cc138>] (lkdtm_REFCOUNT_DEC_ZERO+0x5c/0xd8)

 3804 21:37:59.287343  # [   89.562179] [<c13cc0dc>] (lkdtm_REFCOUNT_DEC_ZERO) from [<c0c584e8>] (lkdtm_do_action+0x2c/0x4c)

 3805 21:37:59.287911  # [   89.571232]  r4:0000002f

 3806 21:37:59.288284  # [   89.574039] [<c0c584bc>] (lkdtm_do_action) from [<c0c589e8>] (direct_entry+0x120/0x18c)

 3807 21:37:59.288630  # [   89.582324] [<c0c588c8>] (direct_entry) from [<c07e211c>] (full_proxy_write+0x64/0x94)

 3808 21:37:59.288964  # [   89.590513]  r9:c6a9bf60 r8:c517a780 r7:00000012 r6:b6e59000 r5:c5f86a00 r4:c0c588c8

 3809 21:37:59.289290  # [   89.598537] [<c07e20b8>] (full_proxy_write) from [<c059bdac>] (vfs_write+0x10c/0x53c)

 3810 21:37:59.331128  # [   89.606639]  r9:c07e20b8 r8:c6a9bf60 r7:c290d000 r6:b6e59000 r5:c5f86a00 r4:00000000

 3811 21:37:59.331466  # [   89.614656] [<c059bca0>] (vfs_write) from [<c059c358>] (ksys_write+0x74/0xec)

 3812 21:37:59.331678  # [   89.622063]  r10:00000004 r9:00000000 r8:00000000 r7:b6e59000 r6:c6a9a000 r5:c5f86a00

 3813 21:37:59.331867  # [   89.630160]  r4:c5f86a00

 3814 21:37:59.332044  # [   89.632969] [<c059c2e4>] (ksys_write) from [<c059c3e8>] (sys_write+0x18/0x1c)

 3815 21:37:59.332214  # [   89.640378]  r9:c6a9a000 r8:c03002e4 r7:00000004 r6:b6fa0e00 r5:00000012 r4:00000012

 3816 21:37:59.375274  # [   89.648396] [<c059c3d0>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 3817 21:37:59.375891  # [   89.656235] Exception stack(0xc6a9bfa8 to 0xc6a9bff0)

 3818 21:37:59.376276  # [   89.661559] bfa0:                   00000012 00000012 00000001 b6e59000 00000012 00000000

 3819 21:37:59.376625  # [   89.670010] bfc0: 00000012 00000012 b6fa0e00 00000004 00000001 00000000 00020000 be8afac4

 3820 21:37:59.376961  # [   89.678455] bfe0: 00000004 be8af7f8 b6f0ad8f b6e917e6

 3821 21:37:59.377286  # [   89.683862] irq event stamp: 0

 3822 21:37:59.377610  # [   89.687199] hardirqs last  enabled at (0): [<00000000>] 0x0

 3823 21:37:59.419464  # [   89.693089] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 3824 21:37:59.420033  # [   89.701280] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 3825 21:37:59.420410  # [   89.709052] softirqs last disabled at (0): [<00000000>] 0x0

 3826 21:37:59.420752  # [   89.715955] ---[ end trace c25e2e226ccb7039 ]---

 3827 21:37:59.421081  # [   89.720896] lkdtm: Zero detected: saturated

 3828 21:37:59.421407  # REFCOUNT_DEC_ZERO: missing 'call trace:': [FAIL]

 3829 21:37:59.421724  not ok 46 selftests: lkdtm: REFCOUNT_DEC_ZERO.sh # exit=1

 3830 21:37:59.422039  # selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh

 3831 21:37:59.562667  <6>[   90.324028] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE

 3832 21:37:59.563280  <6>[   90.330448] lkdtm: attempting bad refcount_dec() below zero

 3833 21:37:59.563657  <4>[   90.336318] ------------[ cut here ]------------

 3834 21:37:59.564008  <4>[   90.341321] WARNING: CPU: 0 PID: 2811 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174

 3835 21:37:59.564346  <4>[   90.350085] refcount_t: decrement hit 0; leaking memory.

 3836 21:37:59.606823  <4>[   90.355673] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3

 3837 21:37:59.607413  <4>[   90.385283] CPU: 0 PID: 2811 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 3838 21:37:59.607798  <4>[   90.393299] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 3839 21:37:59.608152  <4>[   90.400095] Backtrace: 

 3840 21:37:59.608489  <4>[   90.402832] [<c13bdcdc>] (dump_backtrace) from [<c13be09c>] (show_stack+0x20/0x24)

 3841 21:37:59.649374  <4>[   90.410675]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8

 3842 21:37:59.650095  <4>[   90.416614] [<c13be07c>] (show_stack) from [<c13c5334>] (dump_stack+0xe0/0x100)

 3843 21:37:59.650481  <4>[   90.424204] [<c13c5254>] (dump_stack) from [<c03567c8>] (__warn+0x98/0x14c)

 3844 21:37:59.650876  <4>[   90.431440]  r9:00000009 r8:c0875a54 r7:0000001f r6:00000009 r5:c0875a54 r4:c1a29fb4

 3845 21:37:59.651225  <4>[   90.439458] [<c0356730>] (__warn) from [<c13bf1d8>] (warn_slowpath_fmt+0x8c/0xa8)

 3846 21:37:59.651554  <4>[   90.447212]  r7:0000001f r6:c1a29fb4 r5:c1a2a018 r4:c6d10000

 3847 21:37:59.692765  <4>[   90.453147] [<c13bf150>] (warn_slowpath_fmt) from [<c0875a54>] (refcount_warn_saturate+0x6c/0x174)

 3848 21:37:59.693337  <4>[   90.462380]  r9:c1ad5f30 r8:c15ebd54 r7:c6d11f60 r6:00000016 r5:00000000 r4:c6d10000

 3849 21:37:59.693710  <4>[   90.470404] [<c08759e8>] (refcount_warn_saturate) from [<c13cbe0c>] (__refcount_dec.constprop.0+0x38/0x3c)

 3850 21:37:59.694058  <4>[   90.480334] [<c13cbdd4>] (__refcount_dec.constprop.0) from [<c13cc1fc>] (lkdtm_REFCOUNT_DEC_NEGATIVE+0x48/0x70)

 3851 21:37:59.735503  <4>[   90.490701] [<c13cc1b4>] (lkdtm_REFCOUNT_DEC_NEGATIVE) from [<c0c584e8>] (lkdtm_do_action+0x2c/0x4c)

 3852 21:37:59.736072  <4>[   90.500102]  r5:c6afc000 r4:00000030

 3853 21:37:59.736442  <4>[   90.503951] [<c0c584bc>] (lkdtm_do_action) from [<c0c589e8>] (direct_entry+0x120/0x18c)

 3854 21:37:59.736788  <4>[   90.512235] [<c0c588c8>] (direct_entry) from [<c07e211c>] (full_proxy_write+0x64/0x94)

 3855 21:37:59.737112  <4>[   90.520425]  r9:c6d11f60 r8:c517a780 r7:00000016 r6:b6dcb000 r5:c4232c80 r4:c0c588c8

 3856 21:37:59.737433  <4>[   90.528451] [<c07e20b8>] (full_proxy_write) from [<c059bdac>] (vfs_write+0x10c/0x53c)

 3857 21:37:59.779309  <4>[   90.536554]  r9:c07e20b8 r8:c6d11f60 r7:c290d000 r6:b6dcb000 r5:c4232c80 r4:00000000

 3858 21:37:59.779882  <4>[   90.544572] [<c059bca0>] (vfs_write) from [<c059c358>] (ksys_write+0x74/0xec)

 3859 21:37:59.780264  <4>[   90.551979]  r10:00000004 r9:00000000 r8:00000000 r7:b6dcb000 r6:c6d10000 r5:c4232c80

 3860 21:37:59.780610  <4>[   90.560075]  r4:c4232c80

 3861 21:37:59.780941  <4>[   90.562882] [<c059c2e4>] (ksys_write) from [<c059c3e8>] (sys_write+0x18/0x1c)

 3862 21:37:59.781268  <4>[   90.570291]  r9:c6d10000 r8:c03002e4 r7:00000004 r6:b6f12e00 r5:00000016 r4:00000016

 3863 21:37:59.823246  <4>[   90.578308] [<c059c3d0>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 3864 21:37:59.823834  <4>[   90.586146] Exception stack(0xc6d11fa8 to 0xc6d11ff0)

 3865 21:37:59.824212  <4>[   90.591472] 1fa0:                   00000016 00000016 00000001 b6dcb000 00000016 00000000

 3866 21:37:59.824672  <4>[   90.599922] 1fc0: 00000016 00000016 b6f12e00 00000004 00000001 00000000 00020000 be8c0ac4

 3867 21:37:59.825100  <4>[   90.608369] 1fe0: 00000004 be8c07f8 b6e7cd8f b6e037e6

 3868 21:37:59.825439  <4>[   90.613747] irq event stamp: 0

 3869 21:37:59.825765  <4>[   90.617086] hardirqs last  enabled at (0): [<00000000>] 0x0

 3870 21:37:59.866920  <4>[   90.622982] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 3871 21:37:59.867078  <4>[   90.630801] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 3872 21:37:59.867179  <4>[   90.638570] softirqs last disabled at (0): [<00000000>] 0x0

 3873 21:37:59.867240  <4>[   90.644465] ---[ end trace c25e2e226ccb703a ]---

 3874 21:37:59.867313  <6>[   90.649363] lkdtm: Negative detected: saturated

 3875 21:38:00.032710  # [   90.324028] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE

 3876 21:38:00.033305  # [   90.330448] lkdtm: attempting bad refcount_dec() below zero

 3877 21:38:00.033689  # [   90.336318] ------------[ cut here ]------------

 3878 21:38:00.034042  # [   90.341321] WARNING: CPU: 0 PID: 2811 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174

 3879 21:38:00.034416  # [   90.350085] refcount_t: decrement hit 0; leaking memory.

 3880 21:38:00.076034  # [   90.355673] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3

 3881 21:38:00.076623  # [   90.385283] CPU: 0 PID: 2811 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 3882 21:38:00.077000  # [   90.393299] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 3883 21:38:00.077350  # [   90.400095] Backtrace: 

 3884 21:38:00.077680  # [   90.402832] [<c13bdcdc>] (dump_backtrace) from [<c13be09c>] (show_stack+0x20/0x24)

 3885 21:38:00.119333  # [   90.410675]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8

 3886 21:38:00.119903  # [   90.416614] [<c13be07c>] (show_stack) from [<c13c5334>] (dump_stack+0xe0/0x100)

 3887 21:38:00.120282  # [   90.424204] [<c13c5254>] (dump_stack) from [<c03567c8>] (__warn+0x98/0x14c)

 3888 21:38:00.120624  # [   90.431440]  r9:00000009 r8:c0875a54 r7:0000001f r6:00000009 r5:c0875a54 r4:c1a29fb4

 3889 21:38:00.120953  # [   90.439458] [<c0356730>] (__warn) from [<c13bf1d8>] (warn_slowpath_fmt+0x8c/0xa8)

 3890 21:38:00.121275  # [   90.447212]  r7:0000001f r6:c1a29fb4 r5:c1a2a018 r4:c6d10000

 3891 21:38:00.163260  # [   90.453147] [<c13bf150>] (warn_slowpath_fmt) from [<c0875a54>] (refcount_warn_saturate+0x6c/0x174)

 3892 21:38:00.163836  # [   90.462380]  r9:c1ad5f30 r8:c15ebd54 r7:c6d11f60 r6:00000016 r5:00000000 r4:c6d10000

 3893 21:38:00.164224  # [   90.470404] [<c08759e8>] (refcount_warn_saturate) from [<c13cbe0c>] (__refcount_dec.constprop.0+0x38/0x3c)

 3894 21:38:00.164574  # [   90.480334] [<c13cbdd4>] (__refcount_dec.constprop.0) from [<c13cc1fc>] (lkdtm_REFCOUNT_DEC_NEGATIVE+0x48/0x70)

 3895 21:38:00.207375  # [   90.490701] [<c13cc1b4>] (lkdtm_REFCOUNT_DEC_NEGATIVE) from [<c0c584e8>] (lkdtm_do_action+0x2c/0x4c)

 3896 21:38:00.207948  # [   90.500102]  r5:c6afc000 r4:00000030

 3897 21:38:00.208320  # [   90.503951] [<c0c584bc>] (lkdtm_do_action) from [<c0c589e8>] (direct_entry+0x120/0x18c)

 3898 21:38:00.208670  # [   90.512235] [<c0c588c8>] (direct_entry) from [<c07e211c>] (full_proxy_write+0x64/0x94)

 3899 21:38:00.209005  # [   90.520425]  r9:c6d11f60 r8:c517a780 r7:00000016 r6:b6dcb000 r5:c4232c80 r4:c0c588c8

 3900 21:38:00.209329  # [   90.528451] [<c07e20b8>] (full_proxy_write) from [<c059bdac>] (vfs_write+0x10c/0x53c)

 3901 21:38:00.251224  # [   90.536554]  r9:c07e20b8 r8:c6d11f60 r7:c290d000 r6:b6dcb000 r5:c4232c80 r4:00000000

 3902 21:38:00.251790  # [   90.544572] [<c059bca0>] (vfs_write) from [<c059c358>] (ksys_write+0x74/0xec)

 3903 21:38:00.252162  # [   90.551979]  r10:00000004 r9:00000000 r8:00000000 r7:b6dcb000 r6:c6d10000 r5:c4232c80

 3904 21:38:00.252504  # [   90.560075]  r4:c4232c80

 3905 21:38:00.252836  # [   90.562882] [<c059c2e4>] (ksys_write) from [<c059c3e8>] (sys_write+0x18/0x1c)

 3906 21:38:00.253163  # [   90.570291]  r9:c6d10000 r8:c03002e4 r7:00000004 r6:b6f12e00 r5:00000016 r4:00000016

 3907 21:38:00.253483  # [   90.578308] [<c059c3d0>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 3908 21:38:00.295173  # [   90.586146] Exception stack(0xc6d11fa8 to 0xc6d11ff0)

 3909 21:38:00.295846  # [   90.591472] 1fa0:                   00000016 00000016 00000001 b6dcb000 00000016 00000000

 3910 21:38:00.296343  # [   90.599922] 1fc0: 00000016 00000016 b6f12e00 00000004 00000001 00000000 00020000 be8c0ac4

 3911 21:38:00.296701  # [   90.608369] 1fe0: 00000004 be8c07f8 b6e7cd8f b6e037e6

 3912 21:38:00.297034  # [   90.613747] irq event stamp: 0

 3913 21:38:00.297360  # [   90.617086] hardirqs last  enabled at (0): [<00000000>] 0x0

 3914 21:38:00.297683  # [   90.622982] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 3915 21:38:00.339247  # [   90.630801] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 3916 21:38:00.339818  # [   90.638570] softirqs last disabled at (0): [<00000000>] 0x0

 3917 21:38:00.340187  # [   90.644465] ---[ end trace c25e2e226ccb703a ]---

 3918 21:38:00.340530  # [   90.649363] lkdtm: Negative detected: saturated

 3919 21:38:00.340857  # REFCOUNT_DEC_NEGATIVE: saw 'Negative detected: saturated': ok

 3920 21:38:00.341179  ok 47 selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh

 3921 21:38:00.341497  # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh

 3922 21:38:00.463251  <6>[   91.224052] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE

 3923 21:38:00.463818  <6>[   91.231253] lkdtm: attempting bad refcount_dec_and_test() below zero

 3924 21:38:00.464192  <4>[   91.237907] ------------[ cut here ]------------

 3925 21:38:00.464542  <4>[   91.242899] WARNING: CPU: 0 PID: 2847 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174

 3926 21:38:00.464949  <4>[   91.251740] refcount_t: underflow; use-after-free.

 3927 21:38:00.511317  <4>[   91.256808] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3

 3928 21:38:00.511906  <4>[   91.286400] CPU: 0 PID: 2847 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 3929 21:38:00.512292  <4>[   91.294414] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 3930 21:38:00.512641  <4>[   91.301209] Backtrace: 

 3931 21:38:00.512977  <4>[   91.303947] [<c13bdcdc>] (dump_backtrace) from [<c13be09c>] (show_stack+0x20/0x24)

 3932 21:38:00.555353  <4>[   91.311791]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8

 3933 21:38:00.555927  <4>[   91.317729] [<c13be07c>] (show_stack) from [<c13c5334>] (dump_stack+0xe0/0x100)

 3934 21:38:00.556309  <4>[   91.325319] [<c13c5254>] (dump_stack) from [<c03567c8>] (__warn+0x98/0x14c)

 3935 21:38:00.556654  <4>[   91.332557]  r9:00000009 r8:c0875b24 r7:0000001c r6:00000009 r5:c0875b24 r4:c1a29fb4

 3936 21:38:00.556984  <4>[   91.340573] [<c0356730>] (__warn) from [<c13bf1d8>] (warn_slowpath_fmt+0x8c/0xa8)

 3937 21:38:00.557308  <4>[   91.348326]  r7:0000001c r6:c1a29fb4 r5:c1a29ff0 r4:c6a12000

 3938 21:38:00.603272  <4>[   91.354262] [<c13bf150>] (warn_slowpath_fmt) from [<c0875b24>] (refcount_warn_saturate+0x13c/0x174)

 3939 21:38:00.603846  <4>[   91.363582]  r9:c1ad5f48 r8:c15ebd54 r7:c6a13f60 r6:0000001f r5:00000000 r4:c6a12000

 3940 21:38:00.604230  <4>[   91.371605] [<c08759e8>] (refcount_warn_saturate) from [<c0c595e4>] (__refcount_sub_and_test.constprop.0+0x64/0x6c)

 3941 21:38:00.604581  <4>[   91.382322] [<c0c59580>] (__refcount_sub_and_test.constprop.0) from [<c13cc274>] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x50/0x8c)

 3942 21:38:00.647412  <4>[   91.394247] [<c13cc224>] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE) from [<c0c584e8>] (lkdtm_do_action+0x2c/0x4c)

 3943 21:38:00.647992  <4>[   91.404429]  r5:c5e00000 r4:00000031

 3944 21:38:00.648374  <4>[   91.408278] [<c0c584bc>] (lkdtm_do_action) from [<c0c589e8>] (direct_entry+0x120/0x18c)

 3945 21:38:00.648720  <4>[   91.416562] [<c0c588c8>] (direct_entry) from [<c07e211c>] (full_proxy_write+0x64/0x94)

 3946 21:38:00.649050  <4>[   91.424751]  r9:c6a13f60 r8:c517a780 r7:0000001f r6:b6ea1000 r5:c5f87cc0 r4:c0c588c8

 3947 21:38:00.649373  <4>[   91.432775] [<c07e20b8>] (full_proxy_write) from [<c059bdac>] (vfs_write+0x10c/0x53c)

 3948 21:38:00.691400  <4>[   91.440878]  r9:c07e20b8 r8:c6a13f60 r7:c290d000 r6:b6ea1000 r5:c5f87cc0 r4:00000000

 3949 21:38:00.692029  <4>[   91.448895] [<c059bca0>] (vfs_write) from [<c059c358>] (ksys_write+0x74/0xec)

 3950 21:38:00.692416  <4>[   91.456305]  r10:00000004 r9:00000000 r8:00000000 r7:b6ea1000 r6:c6a12000 r5:c5f87cc0

 3951 21:38:00.692761  <4>[   91.464401]  r4:c5f87cc0

 3952 21:38:00.693088  <4>[   91.467209] [<c059c2e4>] (ksys_write) from [<c059c3e8>] (sys_write+0x18/0x1c)

 3953 21:38:00.693411  <4>[   91.474617]  r9:c6a12000 r8:c03002e4 r7:00000004 r6:b6fe8e00 r5:0000001f r4:0000001f

 3954 21:38:00.738904  <4>[   91.482636] [<c059c3d0>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 3955 21:38:00.739069  <4>[   91.490475] Exception stack(0xc6a13fa8 to 0xc6a13ff0)

 3956 21:38:00.739140  <4>[   91.495800] 3fa0:                   0000001f 0000001f 00000001 b6ea1000 0000001f 00000000

 3957 21:38:00.739205  <4>[   91.504251] 3fc0: 0000001f 0000001f b6fe8e00 00000004 00000001 00000000 00020000 bed63ac4

 3958 21:38:00.739268  <4>[   91.512697] 3fe0: 00000004 bed637f8 b6f52d8f b6ed97e6

 3959 21:38:00.739329  <4>[   91.518093] irq event stamp: 0

 3960 21:38:00.739388  <4>[   91.521461] hardirqs last  enabled at (0): [<00000000>] 0x0

 3961 21:38:00.787012  <4>[   91.527318] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 3962 21:38:00.787176  <4>[   91.535130] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 3963 21:38:00.787247  <4>[   91.544157] softirqs last disabled at (0): [<00000000>] 0x0

 3964 21:38:00.787311  <4>[   91.550068] ---[ end trace c25e2e226ccb703b ]---

 3965 21:38:00.787373  <6>[   91.554962] lkdtm: Negative detected: saturated

 3966 21:38:00.939948  # [   91.224052] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE

 3967 21:38:00.940511  # [   91.231253] lkdtm: attempting bad refcount_dec_and_test() below zero

 3968 21:38:00.940889  # [   91.237907] ------------[ cut here ]------------

 3969 21:38:00.941231  # [   91.242899] WARNING: CPU: 0 PID: 2847 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174

 3970 21:38:00.941567  # [   91.251740] refcount_t: underflow; use-after-free.

 3971 21:38:00.987354  # [   91.256808] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3

 3972 21:38:00.987940  # [   91.286400] CPU: 0 PID: 2847 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 3973 21:38:00.988321  # [   91.294414] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 3974 21:38:00.988672  # [   91.301209] Backtrace: 

 3975 21:38:00.989003  # [   91.303947] [<c13bdcdc>] (dump_backtrace) from [<c13be09c>] (show_stack+0x20/0x24)

 3976 21:38:01.031426  # [   91.311791]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8

 3977 21:38:01.031994  # [   91.317729] [<c13be07c>] (show_stack) from [<c13c5334>] (dump_stack+0xe0/0x100)

 3978 21:38:01.032374  # [   91.325319] [<c13c5254>] (dump_stack) from [<c03567c8>] (__warn+0x98/0x14c)

 3979 21:38:01.032723  # [   91.332557]  r9:00000009 r8:c0875b24 r7:0000001c r6:00000009 r5:c0875b24 r4:c1a29fb4

 3980 21:38:01.033054  # [   91.340573] [<c0356730>] (__warn) from [<c13bf1d8>] (warn_slowpath_fmt+0x8c/0xa8)

 3981 21:38:01.033377  # [   91.348326]  r7:0000001c r6:c1a29fb4 r5:c1a29ff0 r4:c6a12000

 3982 21:38:01.075257  # [   91.354262] [<c13bf150>] (warn_slowpath_fmt) from [<c0875b24>] (refcount_warn_saturate+0x13c/0x174)

 3983 21:38:01.075942  # [   91.363582]  r9:c1ad5f48 r8:c15ebd54 r7:c6a13f60 r6:0000001f r5:00000000 r4:c6a12000

 3984 21:38:01.076324  # [   91.371605] [<c08759e8>] (refcount_warn_saturate) from [<c0c595e4>] (__refcount_sub_and_test.constprop.0+0x64/0x6c)

 3985 21:38:01.076672  # [   91.382322] [<c0c59580>] (__refcount_sub_and_test.constprop.0) from [<c13cc274>] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x50/0x8c)

 3986 21:38:01.119301  # [   91.394247] [<c13cc224>] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE) from [<c0c584e8>] (lkdtm_do_action+0x2c/0x4c)

 3987 21:38:01.119875  # [   91.404429]  r5:c5e00000 r4:00000031

 3988 21:38:01.120253  # [   91.408278] [<c0c584bc>] (lkdtm_do_action) from [<c0c589e8>] (direct_entry+0x120/0x18c)

 3989 21:38:01.120599  # [   91.416562] [<c0c588c8>] (direct_entry) from [<c07e211c>] (full_proxy_write+0x64/0x94)

 3990 21:38:01.120927  # [   91.424751]  r9:c6a13f60 r8:c517a780 r7:0000001f r6:b6ea1000 r5:c5f87cc0 r4:c0c588c8

 3991 21:38:01.121253  # [   91.432775] [<c07e20b8>] (full_proxy_write) from [<c059bdac>] (vfs_write+0x10c/0x53c)

 3992 21:38:01.163059  # [   91.440878]  r9:c07e20b8 r8:c6a13f60 r7:c290d000 r6:b6ea1000 r5:c5f87cc0 r4:00000000

 3993 21:38:01.163247  # [   91.448895] [<c059bca0>] (vfs_write) from [<c059c358>] (ksys_write+0x74/0xec)

 3994 21:38:01.163343  # [   91.456305]  r10:00000004 r9:00000000 r8:00000000 r7:b6ea1000 r6:c6a12000 r5:c5f87cc0

 3995 21:38:01.163429  # [   91.464401]  r4:c5f87cc0

 3996 21:38:01.163508  # [   91.467209] [<c059c2e4>] (ksys_write) from [<c059c3e8>] (sys_write+0x18/0x1c)

 3997 21:38:01.163587  # [   91.474617]  r9:c6a12000 r8:c03002e4 r7:00000004 r6:b6fe8e00 r5:0000001f r4:0000001f

 3998 21:38:01.207279  # [   91.482636] [<c059c3d0>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 3999 21:38:01.207858  # [   91.490475] Exception stack(0xc6a13fa8 to 0xc6a13ff0)

 4000 21:38:01.208243  # [   91.495800] 3fa0:                   0000001f 0000001f 00000001 b6ea1000 0000001f 00000000

 4001 21:38:01.208592  # [   91.504251] 3fc0: 0000001f 0000001f b6fe8e00 00000004 00000001 00000000 00020000 bed63ac4

 4002 21:38:01.208920  # [   91.512697] 3fe0: 00000004 bed637f8 b6f52d8f b6ed97e6

 4003 21:38:01.209241  # [   91.518093] irq event stamp: 0

 4004 21:38:01.209553  # [   91.521461] hardirqs last  enabled at (0): [<00000000>] 0x0

 4005 21:38:01.251241  # [   91.527318] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 4006 21:38:01.251809  # [   91.535130] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 4007 21:38:01.252181  # [   91.544157] softirqs last disabled at (0): [<00000000>] 0x0

 4008 21:38:01.252591  # [   91.550068] ---[ end trace c25e2e226ccb703b ]---

 4009 21:38:01.252933  # [   91.554962] lkdtm: Negative detected: saturated

 4010 21:38:01.253258  # REFCOUNT_DEC_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok

 4011 21:38:01.253578  ok 48 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh

 4012 21:38:01.299292  # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh

 4013 21:38:01.381163  <6>[   92.143174] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE

 4014 21:38:01.381733  <6>[   92.150383] lkdtm: attempting bad refcount_sub_and_test() below zero

 4015 21:38:01.382105  <4>[   92.157035] ------------[ cut here ]------------

 4016 21:38:01.382451  <4>[   92.162006] WARNING: CPU: 3 PID: 2883 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174

 4017 21:38:01.382817  <4>[   92.170869] refcount_t: underflow; use-after-free.

 4018 21:38:01.424287  <4>[   92.175936] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3

 4019 21:38:01.424877  <4>[   92.205425] CPU: 3 PID: 2883 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 4020 21:38:01.425258  <4>[   92.213440] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 4021 21:38:01.425605  <4>[   92.220237] Backtrace: 

 4022 21:38:01.467739  <4>[   92.222974] [<c13bdcdc>] (dump_backtrace) from [<c13be09c>] (show_stack+0x20/0x24)

 4023 21:38:01.468311  <4>[   92.230819]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8

 4024 21:38:01.468688  <4>[   92.236757] [<c13be07c>] (show_stack) from [<c13c5334>] (dump_stack+0xe0/0x100)

 4025 21:38:01.469035  <4>[   92.244346] [<c13c5254>] (dump_stack) from [<c03567c8>] (__warn+0x98/0x14c)

 4026 21:38:01.469364  <4>[   92.251583]  r9:00000009 r8:c0875b24 r7:0000001c r6:00000009 r5:c0875b24 r4:c1a29fb4

 4027 21:38:01.469694  <4>[   92.259603] [<c0356730>] (__warn) from [<c13bf1d8>] (warn_slowpath_fmt+0x8c/0xa8)

 4028 21:38:01.470013  <4>[   92.267358]  r7:0000001c r6:c1a29fb4 r5:c1a29ff0 r4:c43cc000

 4029 21:38:01.511318  <4>[   92.273295] [<c13bf150>] (warn_slowpath_fmt) from [<c0875b24>] (refcount_warn_saturate+0x13c/0x174)

 4030 21:38:01.511891  <4>[   92.282615]  r9:c1ad5f68 r8:c15ebd54 r7:c43cdf60 r6:0000001f r5:c6bf3000 r4:c43cc000

 4031 21:38:01.512269  <4>[   92.290639] [<c08759e8>] (refcount_warn_saturate) from [<c0c595e4>] (__refcount_sub_and_test.constprop.0+0x64/0x6c)

 4032 21:38:01.512617  <4>[   92.301356] [<c0c59580>] (__refcount_sub_and_test.constprop.0) from [<c13cc300>] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x50/0x8c)

 4033 21:38:01.555388  <4>[   92.313282] [<c13cc2b0>] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE) from [<c0c584e8>] (lkdtm_do_action+0x2c/0x4c)

 4034 21:38:01.555958  <4>[   92.323462]  r4:00000032

 4035 21:38:01.556334  <4>[   92.326269] [<c0c584bc>] (lkdtm_do_action) from [<c0c589e8>] (direct_entry+0x120/0x18c)

 4036 21:38:01.556685  <4>[   92.334554] [<c0c588c8>] (direct_entry) from [<c07e211c>] (full_proxy_write+0x64/0x94)

 4037 21:38:01.557018  <4>[   92.342744]  r9:c43cdf60 r8:c517a780 r7:0000001f r6:b6dc0000 r5:c41f6dc0 r4:c0c588c8

 4038 21:38:01.557350  <4>[   92.350769] [<c07e20b8>] (full_proxy_write) from [<c059bdac>] (vfs_write+0x10c/0x53c)

 4039 21:38:01.599233  <4>[   92.358873]  r9:c07e20b8 r8:c43cdf60 r7:c290d000 r6:b6dc0000 r5:c41f6dc0 r4:00000000

 4040 21:38:01.599807  <4>[   92.366890] [<c059bca0>] (vfs_write) from [<c059c358>] (ksys_write+0x74/0xec)

 4041 21:38:01.600179  <4>[   92.374298]  r10:00000004 r9:00000000 r8:00000000 r7:b6dc0000 r6:c43cc000 r5:c41f6dc0

 4042 21:38:01.600524  <4>[   92.382394]  r4:c41f6dc0

 4043 21:38:01.600853  <4>[   92.385202] [<c059c2e4>] (ksys_write) from [<c059c3e8>] (sys_write+0x18/0x1c)

 4044 21:38:01.601176  <4>[   92.392610]  r9:c43cc000 r8:c03002e4 r7:00000004 r6:b6f07e00 r5:0000001f r4:0000001f

 4045 21:38:01.643424  <4>[   92.400627] [<c059c3d0>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 4046 21:38:01.644002  <4>[   92.408467] Exception stack(0xc43cdfa8 to 0xc43cdff0)

 4047 21:38:01.644397  <4>[   92.413792] dfa0:                   0000001f 0000001f 00000001 b6dc0000 0000001f 00000000

 4048 21:38:01.644749  <4>[   92.422244] dfc0: 0000001f 0000001f b6f07e00 00000004 00000001 00000000 00020000 bec9eac4

 4049 21:38:01.645082  <4>[   92.430691] dfe0: 00000004 bec9e7f8 b6e71d8f b6df87e6

 4050 21:38:01.645409  <4>[   92.436086] irq event stamp: 0

 4051 21:38:01.645724  <4>[   92.439425] hardirqs last  enabled at (0): [<00000000>] 0x0

 4052 21:38:01.687035  <4>[   92.445317] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 4053 21:38:01.687125  <4>[   92.453137] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 4054 21:38:01.687196  <4>[   92.460970] softirqs last disabled at (0): [<00000000>] 0x0

 4055 21:38:01.687260  <4>[   92.466824] ---[ end trace c25e2e226ccb703c ]---

 4056 21:38:01.687323  <6>[   92.471752] lkdtm: Negative detected: saturated

 4057 21:38:01.838132  # [   92.143174] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE

 4058 21:38:01.838700  # [   92.150383] lkdtm: attempting bad refcount_sub_and_test() below zero

 4059 21:38:01.839156  # [   92.157035] ------------[ cut here ]------------

 4060 21:38:01.839514  # [   92.162006] WARNING: CPU: 3 PID: 2883 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174

 4061 21:38:01.839857  # [   92.170869] refcount_t: underflow; use-after-free.

 4062 21:38:01.881355  # [   92.175936] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3

 4063 21:38:01.881937  # [   92.205425] CPU: 3 PID: 2883 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 4064 21:38:01.882313  # [   92.213440] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 4065 21:38:01.882661  # [   92.220237] Backtrace: 

 4066 21:38:01.883030  # [   92.222974] [<c13bdcdc>] (dump_backtrace) from [<c13be09c>] (show_stack+0x20/0x24)

 4067 21:38:01.924419  # [   92.230819]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8

 4068 21:38:01.925026  # [   92.236757] [<c13be07c>] (show_stack) from [<c13c5334>] (dump_stack+0xe0/0x100)

 4069 21:38:01.925411  # [   92.244346] [<c13c5254>] (dump_stack) from [<c03567c8>] (__warn+0x98/0x14c)

 4070 21:38:01.925756  # [   92.251583]  r9:00000009 r8:c0875b24 r7:0000001c r6:00000009 r5:c0875b24 r4:c1a29fb4

 4071 21:38:01.926088  # [   92.259603] [<c0356730>] (__warn) from [<c13bf1d8>] (warn_slowpath_fmt+0x8c/0xa8)

 4072 21:38:01.926414  # [   92.267358]  r7:0000001c r6:c1a29fb4 r5:c1a29ff0 r4:c43cc000

 4073 21:38:01.971342  # [   92.273295] [<c13bf150>] (warn_slowpath_fmt) from [<c0875b24>] (refcount_warn_saturate+0x13c/0x174)

 4074 21:38:01.971918  # [   92.282615]  r9:c1ad5f68 r8:c15ebd54 r7:c43cdf60 r6:0000001f r5:c6bf3000 r4:c43cc000

 4075 21:38:01.972300  # [   92.290639] [<c08759e8>] (refcount_warn_saturate) from [<c0c595e4>] (__refcount_sub_and_test.constprop.0+0x64/0x6c)

 4076 21:38:01.972653  # [   92.301356] [<c0c59580>] (__refcount_sub_and_test.constprop.0) from [<c13cc300>] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x50/0x8c)

 4077 21:38:02.015296  # [   92.313282] [<c13cc2b0>] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE) from [<c0c584e8>] (lkdtm_do_action+0x2c/0x4c)

 4078 21:38:02.015970  # [   92.323462]  r4:00000032

 4079 21:38:02.016361  # [   92.326269] [<c0c584bc>] (lkdtm_do_action) from [<c0c589e8>] (direct_entry+0x120/0x18c)

 4080 21:38:02.016817  # [   92.334554] [<c0c588c8>] (direct_entry) from [<c07e211c>] (full_proxy_write+0x64/0x94)

 4081 21:38:02.017163  # [   92.342744]  r9:c43cdf60 r8:c517a780 r7:0000001f r6:b6dc0000 r5:c41f6dc0 r4:c0c588c8

 4082 21:38:02.017495  # [   92.350769] [<c07e20b8>] (full_proxy_write) from [<c059bdac>] (vfs_write+0x10c/0x53c)

 4083 21:38:02.059227  # [   92.358873]  r9:c07e20b8 r8:c43cdf60 r7:c290d000 r6:b6dc0000 r5:c41f6dc0 r4:00000000

 4084 21:38:02.059853  # [   92.366890] [<c059bca0>] (vfs_write) from [<c059c358>] (ksys_write+0x74/0xec)

 4085 21:38:02.060236  # [   92.374298]  r10:00000004 r9:00000000 r8:00000000 r7:b6dc0000 r6:c43cc000 r5:c41f6dc0

 4086 21:38:02.060586  # [   92.382394]  r4:c41f6dc0

 4087 21:38:02.060914  # [   92.385202] [<c059c2e4>] (ksys_write) from [<c059c3e8>] (sys_write+0x18/0x1c)

 4088 21:38:02.061239  # [   92.392610]  r9:c43cc000 r8:c03002e4 r7:00000004 r6:b6f07e00 r5:0000001f r4:0000001f

 4089 21:38:02.103272  # [   92.400627] [<c059c3d0>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 4090 21:38:02.103878  # [   92.408467] Exception stack(0xc43cdfa8 to 0xc43cdff0)

 4091 21:38:02.104247  # [   92.413792] dfa0:                   0000001f 0000001f 00000001 b6dc0000 0000001f 00000000

 4092 21:38:02.104593  # [   92.422244] dfc0: 0000001f 0000001f b6f07e00 00000004 00000001 00000000 00020000 bec9eac4

 4093 21:38:02.104921  # [   92.430691] dfe0: 00000004 bec9e7f8 b6e71d8f b6df87e6

 4094 21:38:02.105244  # [   92.436086] irq event stamp: 0

 4095 21:38:02.105555  # [   92.439425] hardirqs last  enabled at (0): [<00000000>] 0x0

 4096 21:38:02.149208  # [   92.445317] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 4097 21:38:02.149368  # [   92.453137] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 4098 21:38:02.149436  # [   92.460970] softirqs last disabled at (0): [<00000000>] 0x0

 4099 21:38:02.149500  # [   92.466824] ---[ end trace c25e2e226ccb703c ]---

 4100 21:38:02.149561  # [   92.471752] lkdtm: Negative detected: saturated

 4101 21:38:02.149621  # REFCOUNT_SUB_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok

 4102 21:38:02.149680  ok 49 selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh

 4103 21:38:02.149737  # selftests: lkdtm: REFCOUNT_INC_ZERO.sh

 4104 21:38:02.264691  <6>[   93.026731] lkdtm: Performing direct entry REFCOUNT_INC_ZERO

 4105 21:38:02.265161  <6>[   93.032882] lkdtm: attempting safe refcount_inc_not_zero() from zero

 4106 21:38:02.265452  <6>[   93.039533] lkdtm: Good: zero detected

 4107 21:38:02.265719  <6>[   93.043701] lkdtm: Correctly stayed at zero

 4108 21:38:02.265972  <6>[   93.048182] lkdtm: attempting bad refcount_inc() from zero

 4109 21:38:02.266223  <4>[   93.054104] ------------[ cut here ]------------

 4110 21:38:02.266469  <4>[   93.059049] WARNING: CPU: 0 PID: 2916 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174

 4111 21:38:02.311319  <4>[   93.067952] refcount_t: addition on 0; use-after-free.

 4112 21:38:02.311891  <4>[   93.073622] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3

 4113 21:38:02.312284  <4>[   93.103474] CPU: 0 PID: 2916 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 4114 21:38:02.355248  <4>[   93.111508] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 4115 21:38:02.355822  <4>[   93.118319] Backtrace: 

 4116 21:38:02.356207  <4>[   93.121085] [<c13bdcdc>] (dump_backtrace) from [<c13be09c>] (show_stack+0x20/0x24)

 4117 21:38:02.356563  <4>[   93.128953]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8

 4118 21:38:02.356899  <4>[   93.134913] [<c13be07c>] (show_stack) from [<c13c5334>] (dump_stack+0xe0/0x100)

 4119 21:38:02.357226  <4>[   93.142526] [<c13c5254>] (dump_stack) from [<c03567c8>] (__warn+0x98/0x14c)

 4120 21:38:02.357541  <4>[   93.149784]  r9:00000009 r8:c0875af0 r7:00000019 r6:00000009 r5:c0875af0 r4:c1a29fb4

 4121 21:38:02.399418  <4>[   93.157825] [<c0356730>] (__warn) from [<c13bf1d8>] (warn_slowpath_fmt+0x8c/0xa8)

 4122 21:38:02.399993  <4>[   93.165595]  r7:00000019 r6:c1a29fb4 r5:c1a29fc4 r4:c6a12000

 4123 21:38:02.400523  <4>[   93.171551] [<c13bf150>] (warn_slowpath_fmt) from [<c0875af0>] (refcount_warn_saturate+0x108/0x174)

 4124 21:38:02.400886  <4>[   93.180891]  r9:c1ad5f88 r8:c15ebd54 r7:c6a13f60 r6:00000012 r5:00000000 r4:c6a12000

 4125 21:38:02.401233  <4>[   93.188938] [<c08759e8>] (refcount_warn_saturate) from [<c0c5957c>] (__refcount_add.constprop.0+0x54/0x58)

 4126 21:38:02.443427  <4>[   93.198897] [<c0c59528>] (__refcount_add.constprop.0) from [<c13cc3e4>] (lkdtm_REFCOUNT_INC_ZERO+0xa8/0xcc)

 4127 21:38:02.444004  <4>[   93.208935] [<c13cc33c>] (lkdtm_REFCOUNT_INC_ZERO) from [<c0c584e8>] (lkdtm_do_action+0x2c/0x4c)

 4128 21:38:02.444381  <4>[   93.218004]  r5:c5df6000 r4:00000033

 4129 21:38:02.444725  <4>[   93.221871] [<c0c584bc>] (lkdtm_do_action) from [<c0c589e8>] (direct_entry+0x120/0x18c)

 4130 21:38:02.445060  <4>[   93.230178] [<c0c588c8>] (direct_entry) from [<c07e211c>] (full_proxy_write+0x64/0x94)

 4131 21:38:02.487414  <4>[   93.238388]  r9:c6a13f60 r8:c517a780 r7:00000012 r6:b6e0e000 r5:c4392780 r4:c0c588c8

 4132 21:38:02.487995  <4>[   93.246435] [<c07e20b8>] (full_proxy_write) from [<c059bdac>] (vfs_write+0x10c/0x53c)

 4133 21:38:02.488379  <4>[   93.254558]  r9:c07e20b8 r8:c6a13f60 r7:c290d000 r6:b6e0e000 r5:c4392780 r4:00000000

 4134 21:38:02.488727  <4>[   93.262595] [<c059bca0>] (vfs_write) from [<c059c358>] (ksys_write+0x74/0xec)

 4135 21:38:02.489063  <4>[   93.270022]  r10:00000004 r9:00000000 r8:00000000 r7:b6e0e000 r6:c6a12000 r5:c4392780

 4136 21:38:02.489390  <4>[   93.278133]  r4:c4392780

 4137 21:38:02.489706  <4>[   93.280961] [<c059c2e4>] (ksys_write) from [<c059c3e8>] (sys_write+0x18/0x1c)

 4138 21:38:02.531435  <4>[   93.288388]  r9:c6a12000 r8:c03002e4 r7:00000004 r6:b6f55e00 r5:00000012 r4:00000012

 4139 21:38:02.532009  <4>[   93.296426] [<c059c3d0>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 4140 21:38:02.532391  <4>[   93.304279] Exception stack(0xc6a13fa8 to 0xc6a13ff0)

 4141 21:38:02.532741  <4>[   93.309624] 3fa0:                   00000012 00000012 00000001 b6e0e000 00000012 00000000

 4142 21:38:02.533078  <4>[   93.318094] 3fc0: 00000012 00000012 b6f55e00 00000004 00000001 00000000 00020000 bec6aac4

 4143 21:38:02.579582  <4>[   93.326556] 3fe0: 00000004 bec6a7f8 b6ebfd8f b6e467e6

 4144 21:38:02.580244  <4>[   93.332001] irq event stamp: 0

 4145 21:38:02.580618  <4>[   93.335371] hardirqs last  enabled at (0): [<00000000>] 0x0

 4146 21:38:02.580962  <4>[   93.341332] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 4147 21:38:02.581299  <4>[   93.349125] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 4148 21:38:02.581626  <4>[   93.356985] softirqs last disabled at (0): [<00000000>] 0x0

 4149 21:38:02.581945  <4>[   93.362924] ---[ end trace c25e2e226ccb703d ]---

 4150 21:38:02.582258  <6>[   93.367849] lkdtm: Zero detected: saturated

 4151 21:38:02.776849  # [   93.026731] lkdtm: Performing direct entry REFCOUNT_INC_ZERO

 4152 21:38:02.777426  # [   93.032882] lkdtm: attempting safe refcount_inc_not_zero() from zero

 4153 21:38:02.777799  # [   93.039533] lkdtm: Good: zero detected

 4154 21:38:02.778138  # [   93.043701] lkdtm: Correctly stayed at zero

 4155 21:38:02.778461  # [   93.048182] lkdtm: attempting bad refcount_inc() from zero

 4156 21:38:02.778831  # [   93.054104] ------------[ cut here ]------------

 4157 21:38:02.779169  # [   93.059049] WARNING: CPU: 0 PID: 2916 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174

 4158 21:38:02.820043  # [   93.067952] refcount_t: addition on 0; use-after-free.

 4159 21:38:02.820614  # [   93.073622] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3

 4160 21:38:02.821023  # [   93.103474] CPU: 0 PID: 2916 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 4161 21:38:02.863277  # [   93.111508] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 4162 21:38:02.863844  # [   93.118319] Backtrace: 

 4163 21:38:02.864213  # [   93.121085] [<c13bdcdc>] (dump_backtrace) from [<c13be09c>] (show_stack+0x20/0x24)

 4164 21:38:02.864558  # [   93.128953]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8

 4165 21:38:02.864884  # [   93.134913] [<c13be07c>] (show_stack) from [<c13c5334>] (dump_stack+0xe0/0x100)

 4166 21:38:02.865205  # [   93.142526] [<c13c5254>] (dump_stack) from [<c03567c8>] (__warn+0x98/0x14c)

 4167 21:38:02.865516  # [   93.149784]  r9:00000009 r8:c0875af0 r7:00000019 r6:00000009 r5:c0875af0 r4:c1a29fb4

 4168 21:38:02.911194  # [   93.157825] [<c0356730>] (__warn) from [<c13bf1d8>] (warn_slowpath_fmt+0x8c/0xa8)

 4169 21:38:02.911726  # [   93.165595]  r7:00000019 r6:c1a29fb4 r5:c1a29fc4 r4:c6a12000

 4170 21:38:02.912068  # [   93.171551] [<c13bf150>] (warn_slowpath_fmt) from [<c0875af0>] (refcount_warn_saturate+0x108/0x174)

 4171 21:38:02.912382  # [   93.180891]  r9:c1ad5f88 r8:c15ebd54 r7:c6a13f60 r6:00000012 r5:00000000 r4:c6a12000

 4172 21:38:02.912679  # [   93.188938] [<c08759e8>] (refcount_warn_saturate) from [<c0c5957c>] (__refcount_add.constprop.0+0x54/0x58)

 4173 21:38:02.955239  # [   93.198897] [<c0c59528>] (__refcount_add.constprop.0) from [<c13cc3e4>] (lkdtm_REFCOUNT_INC_ZERO+0xa8/0xcc)

 4174 21:38:02.955768  # [   93.208935] [<c13cc33c>] (lkdtm_REFCOUNT_INC_ZERO) from [<c0c584e8>] (lkdtm_do_action+0x2c/0x4c)

 4175 21:38:02.956107  # [   93.218004]  r5:c5df6000 r4:00000033

 4176 21:38:02.956481  # [   93.221871] [<c0c584bc>] (lkdtm_do_action) from [<c0c589e8>] (direct_entry+0x120/0x18c)

 4177 21:38:02.956794  # [   93.230178] [<c0c588c8>] (direct_entry) from [<c07e211c>] (full_proxy_write+0x64/0x94)

 4178 21:38:02.957094  # [   93.238388]  r9:c6a13f60 r8:c517a780 r7:00000012 r6:b6e0e000 r5:c4392780 r4:c0c588c8

 4179 21:38:02.999265  # [   93.246435] [<c07e20b8>] (full_proxy_write) from [<c059bdac>] (vfs_write+0x10c/0x53c)

 4180 21:38:02.999793  # [   93.254558]  r9:c07e20b8 r8:c6a13f60 r7:c290d000 r6:b6e0e000 r5:c4392780 r4:00000000

 4181 21:38:03.000133  # [   93.262595] [<c059bca0>] (vfs_write) from [<c059c358>] (ksys_write+0x74/0xec)

 4182 21:38:03.000447  # [   93.270022]  r10:00000004 r9:00000000 r8:00000000 r7:b6e0e000 r6:c6a12000 r5:c4392780

 4183 21:38:03.000746  # [   93.278133]  r4:c4392780

 4184 21:38:03.001039  # [   93.280961] [<c059c2e4>] (ksys_write) from [<c059c3e8>] (sys_write+0x18/0x1c)

 4185 21:38:03.043238  # [   93.288388]  r9:c6a12000 r8:c03002e4 r7:00000004 r6:b6f55e00 r5:00000012 r4:00000012

 4186 21:38:03.043759  # [   93.296426] [<c059c3d0>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 4187 21:38:03.044099  # [   93.304279] Exception stack(0xc6a13fa8 to 0xc6a13ff0)

 4188 21:38:03.044410  # [   93.309624] 3fa0:                   00000012 00000012 00000001 b6e0e000 00000012 00000000

 4189 21:38:03.044712  # [   93.318094] 3fc0: 00000012 00000012 b6f55e00 00000004 00000001 00000000 00020000 bec6aac4

 4190 21:38:03.045007  # [   93.326556] 3fe0: 00000004 bec6a7f8 b6ebfd8f b6e467e6

 4191 21:38:03.045293  # [   93.332001] irq event stamp: 0

 4192 21:38:03.091296  # [   93.335371] hardirqs last  enabled at (0): [<00000000>] 0x0

 4193 21:38:03.091895  # [   93.341332] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 4194 21:38:03.092294  # [   93.349125] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 4195 21:38:03.092644  # [   93.356985] softirqs last disabled at (0): [<00000000>] 0x0

 4196 21:38:03.092975  # [   93.362924] ---[ end trace c25e2e226ccb703d ]---

 4197 21:38:03.093301  # [   93.367849] lkdtm: Zero detected: saturated

 4198 21:38:03.093616  # REFCOUNT_INC_ZERO: missing 'call trace:': [FAIL]

 4199 21:38:03.135417  not ok 50 selftests: lkdtm: REFCOUNT_INC_ZERO.sh # exit=1

 4200 21:38:03.135991  # selftests: lkdtm: REFCOUNT_ADD_ZERO.sh

 4201 21:38:03.223716  <6>[   93.986199] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO

 4202 21:38:03.224286  <6>[   93.992277] lkdtm: attempting safe refcount_add_not_zero() from zero

 4203 21:38:03.224659  <6>[   93.998930] lkdtm: Good: zero detected

 4204 21:38:03.225002  <6>[   94.003019] lkdtm: Correctly stayed at zero

 4205 21:38:03.225329  <6>[   94.007478] lkdtm: attempting bad refcount_add() from zero

 4206 21:38:03.225652  <4>[   94.013297] ------------[ cut here ]------------

 4207 21:38:03.225967  <4>[   94.018207] WARNING: CPU: 0 PID: 2951 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174

 4208 21:38:03.267674  <4>[   94.027056] refcount_t: addition on 0; use-after-free.

 4209 21:38:03.268248  <4>[   94.032598] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3

 4210 21:38:03.268642  <4>[   94.062088] CPU: 0 PID: 2951 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 4211 21:38:03.311253  <4>[   94.070101] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 4212 21:38:03.311826  <4>[   94.076897] Backtrace: 

 4213 21:38:03.312199  <4>[   94.079633] [<c13bdcdc>] (dump_backtrace) from [<c13be09c>] (show_stack+0x20/0x24)

 4214 21:38:03.312549  <4>[   94.087477]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8

 4215 21:38:03.312880  <4>[   94.093416] [<c13be07c>] (show_stack) from [<c13c5334>] (dump_stack+0xe0/0x100)

 4216 21:38:03.313203  <4>[   94.101007] [<c13c5254>] (dump_stack) from [<c03567c8>] (__warn+0x98/0x14c)

 4217 21:38:03.313520  <4>[   94.108244]  r9:00000009 r8:c0875af0 r7:00000019 r6:00000009 r5:c0875af0 r4:c1a29fb4

 4218 21:38:03.355303  <4>[   94.116262] [<c0356730>] (__warn) from [<c13bf1d8>] (warn_slowpath_fmt+0x8c/0xa8)

 4219 21:38:03.355878  <4>[   94.124016]  r7:00000019 r6:c1a29fb4 r5:c1a29fc4 r4:c6ae6000

 4220 21:38:03.356257  <4>[   94.129951] [<c13bf150>] (warn_slowpath_fmt) from [<c0875af0>] (refcount_warn_saturate+0x108/0x174)

 4221 21:38:03.356604  <4>[   94.139270]  r9:c1ad5f9c r8:c15ebd54 r7:c6ae7f60 r6:00000012 r5:00000000 r4:c6ae6000

 4222 21:38:03.356935  <4>[   94.147291] [<c08759e8>] (refcount_warn_saturate) from [<c0c5957c>] (__refcount_add.constprop.0+0x54/0x58)

 4223 21:38:03.399335  <4>[   94.157226] [<c0c59528>] (__refcount_add.constprop.0) from [<c13cc4b0>] (lkdtm_REFCOUNT_ADD_ZERO+0xa8/0xcc)

 4224 21:38:03.399909  <4>[   94.167243] [<c13cc408>] (lkdtm_REFCOUNT_ADD_ZERO) from [<c0c584e8>] (lkdtm_do_action+0x2c/0x4c)

 4225 21:38:03.400290  <4>[   94.176297]  r5:c454e000 r4:00000034

 4226 21:38:03.400637  <4>[   94.180147] [<c0c584bc>] (lkdtm_do_action) from [<c0c589e8>] (direct_entry+0x120/0x18c)

 4227 21:38:03.400974  <4>[   94.188431] [<c0c588c8>] (direct_entry) from [<c07e211c>] (full_proxy_write+0x64/0x94)

 4228 21:38:03.443417  <4>[   94.196623]  r9:c6ae7f60 r8:c517a780 r7:00000012 r6:b6dd4000 r5:c5f18a00 r4:c0c588c8

 4229 21:38:03.443992  <4>[   94.204646] [<c07e20b8>] (full_proxy_write) from [<c059bdac>] (vfs_write+0x10c/0x53c)

 4230 21:38:03.444409  <4>[   94.212751]  r9:c07e20b8 r8:c6ae7f60 r7:c290d000 r6:b6dd4000 r5:c5f18a00 r4:00000000

 4231 21:38:03.444796  <4>[   94.220769] [<c059bca0>] (vfs_write) from [<c059c358>] (ksys_write+0x74/0xec)

 4232 21:38:03.445134  <4>[   94.228176]  r10:00000004 r9:00000000 r8:00000000 r7:b6dd4000 r6:c6ae6000 r5:c5f18a00

 4233 21:38:03.445464  <4>[   94.236274]  r4:c5f18a00

 4234 21:38:03.445785  <4>[   94.239082] [<c059c2e4>] (ksys_write) from [<c059c3e8>] (sys_write+0x18/0x1c)

 4235 21:38:03.487431  <4>[   94.246490]  r9:c6ae6000 r8:c03002e4 r7:00000004 r6:b6f1be00 r5:00000012 r4:00000012

 4236 21:38:03.488002  <4>[   94.254510] [<c059c3d0>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 4237 21:38:03.488377  <4>[   94.262348] Exception stack(0xc6ae7fa8 to 0xc6ae7ff0)

 4238 21:38:03.488724  <4>[   94.267675] 7fa0:                   00000012 00000012 00000001 b6dd4000 00000012 00000000

 4239 21:38:03.489052  <4>[   94.276127] 7fc0: 00000012 00000012 b6f1be00 00000004 00000001 00000000 00020000 beeccac4

 4240 21:38:03.536624  <4>[   94.284575] 7fe0: 00000004 beecc7f8 b6e85d8f b6e0c7e6

 4241 21:38:03.536857  <4>[   94.289987] irq event stamp: 0

 4242 21:38:03.536935  <4>[   94.293330] hardirqs last  enabled at (0): [<00000000>] 0x0

 4243 21:38:03.537011  <4>[   94.299186] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 4244 21:38:03.537073  <4>[   94.306979] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 4245 21:38:03.537134  <4>[   94.314772] softirqs last disabled at (0): [<00000000>] 0x0

 4246 21:38:03.537193  <4>[   94.320649] ---[ end trace c25e2e226ccb703e ]---

 4247 21:38:03.537251  <6>[   94.325544] lkdtm: Zero detected: saturated

 4248 21:38:03.712782  # [   93.986199] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO

 4249 21:38:03.713363  # [   93.992277] lkdtm: attempting safe refcount_add_not_zero() from zero

 4250 21:38:03.713736  # [   93.998930] lkdtm: Good: zero detected

 4251 21:38:03.714145  # [   94.003019] lkdtm: Correctly stayed at zero

 4252 21:38:03.714686  # [   94.007478] lkdtm: attempting bad refcount_add() from zero

 4253 21:38:03.715123  # [   94.013297] ------------[ cut here ]------------

 4254 21:38:03.715461  # [   94.018207] WARNING: CPU: 0 PID: 2951 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174

 4255 21:38:03.756000  # [   94.027056] refcount_t: addition on 0; use-after-free.

 4256 21:38:03.756575  # [   94.032598] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3

 4257 21:38:03.756967  # [   94.062088] CPU: 0 PID: 2951 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 4258 21:38:03.799340  # [   94.070101] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 4259 21:38:03.799909  # [   94.076897] Backtrace: 

 4260 21:38:03.800278  # [   94.079633] [<c13bdcdc>] (dump_backtrace) from [<c13be09c>] (show_stack+0x20/0x24)

 4261 21:38:03.800629  # [   94.087477]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8

 4262 21:38:03.800961  # [   94.093416] [<c13be07c>] (show_stack) from [<c13c5334>] (dump_stack+0xe0/0x100)

 4263 21:38:03.801283  # [   94.101007] [<c13c5254>] (dump_stack) from [<c03567c8>] (__warn+0x98/0x14c)

 4264 21:38:03.801600  # [   94.108244]  r9:00000009 r8:c0875af0 r7:00000019 r6:00000009 r5:c0875af0 r4:c1a29fb4

 4265 21:38:03.843291  # [   94.116262] [<c0356730>] (__warn) from [<c13bf1d8>] (warn_slowpath_fmt+0x8c/0xa8)

 4266 21:38:03.843856  # [   94.124016]  r7:00000019 r6:c1a29fb4 r5:c1a29fc4 r4:c6ae6000

 4267 21:38:03.844230  # [   94.129951] [<c13bf150>] (warn_slowpath_fmt) from [<c0875af0>] (refcount_warn_saturate+0x108/0x174)

 4268 21:38:03.844578  # [   94.139270]  r9:c1ad5f9c r8:c15ebd54 r7:c6ae7f60 r6:00000012 r5:00000000 r4:c6ae6000

 4269 21:38:03.844907  # [   94.147291] [<c08759e8>] (refcount_warn_saturate) from [<c0c5957c>] (__refcount_add.constprop.0+0x54/0x58)

 4270 21:38:03.887291  # [   94.157226] [<c0c59528>] (__refcount_add.constprop.0) from [<c13cc4b0>] (lkdtm_REFCOUNT_ADD_ZERO+0xa8/0xcc)

 4271 21:38:03.887863  # [   94.167243] [<c13cc408>] (lkdtm_REFCOUNT_ADD_ZERO) from [<c0c584e8>] (lkdtm_do_action+0x2c/0x4c)

 4272 21:38:03.888245  # [   94.176297]  r5:c454e000 r4:00000034

 4273 21:38:03.888590  # [   94.180147] [<c0c584bc>] (lkdtm_do_action) from [<c0c589e8>] (direct_entry+0x120/0x18c)

 4274 21:38:03.888921  # [   94.188431] [<c0c588c8>] (direct_entry) from [<c07e211c>] (full_proxy_write+0x64/0x94)

 4275 21:38:03.889247  # [   94.196623]  r9:c6ae7f60 r8:c517a780 r7:00000012 r6:b6dd4000 r5:c5f18a00 r4:c0c588c8

 4276 21:38:03.931273  # [   94.204646] [<c07e20b8>] (full_proxy_write) from [<c059bdac>] (vfs_write+0x10c/0x53c)

 4277 21:38:03.931845  # [   94.212751]  r9:c07e20b8 r8:c6ae7f60 r7:c290d000 r6:b6dd4000 r5:c5f18a00 r4:00000000

 4278 21:38:03.932232  # [   94.220769] [<c059bca0>] (vfs_write) from [<c059c358>] (ksys_write+0x74/0xec)

 4279 21:38:03.932578  # [   94.228176]  r10:00000004 r9:00000000 r8:00000000 r7:b6dd4000 r6:c6ae6000 r5:c5f18a00

 4280 21:38:03.932908  # [   94.236274]  r4:c5f18a00

 4281 21:38:03.933226  # [   94.239082] [<c059c2e4>] (ksys_write) from [<c059c3e8>] (sys_write+0x18/0x1c)

 4282 21:38:03.975281  # [   94.246490]  r9:c6ae6000 r8:c03002e4 r7:00000004 r6:b6f1be00 r5:00000012 r4:00000012

 4283 21:38:03.975948  # [   94.254510] [<c059c3d0>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 4284 21:38:03.976335  # [   94.262348] Exception stack(0xc6ae7fa8 to 0xc6ae7ff0)

 4285 21:38:03.976687  # [   94.267675] 7fa0:                   00000012 00000012 00000001 b6dd4000 00000012 00000000

 4286 21:38:03.977021  # [   94.276127] 7fc0: 00000012 00000012 b6f1be00 00000004 00000001 00000000 00020000 beeccac4

 4287 21:38:03.977346  # [   94.284575] 7fe0: 00000004 beecc7f8 b6e85d8f b6e0c7e6

 4288 21:38:03.977660  # [   94.289987] irq event stamp: 0

 4289 21:38:04.019300  # [   94.293330] hardirqs last  enabled at (0): [<00000000>] 0x0

 4290 21:38:04.019868  # [   94.299186] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 4291 21:38:04.020246  # [   94.306979] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 4292 21:38:04.020593  # [   94.314772] softirqs last disabled at (0): [<00000000>] 0x0

 4293 21:38:04.020922  # [   94.320649] ---[ end trace c25e2e226ccb703e ]---

 4294 21:38:04.021241  # [   94.325544] lkdtm: Zero detected: saturated

 4295 21:38:04.021554  # REFCOUNT_ADD_ZERO: missing 'call trace:': [FAIL]

 4296 21:38:04.063419  not ok 51 selftests: lkdtm: REFCOUNT_ADD_ZERO.sh # exit=1

 4297 21:38:04.063997  # selftests: lkdtm: REFCOUNT_INC_SATURATED.sh

 4298 21:38:04.165129  <6>[   94.927052] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED

 4299 21:38:04.165711  <6>[   94.933586] lkdtm: attempting bad refcount_inc() from saturated

 4300 21:38:04.166082  <4>[   94.939925] ------------[ cut here ]------------

 4301 21:38:04.166430  <4>[   94.944861] WARNING: CPU: 3 PID: 2989 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174

 4302 21:38:04.166765  <4>[   94.953634] refcount_t: saturated; leaking memory.

 4303 21:38:04.208421  <4>[   94.958700] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3

 4304 21:38:04.209008  <4>[   94.988242] CPU: 3 PID: 2989 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 4305 21:38:04.209386  <4>[   94.996258] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 4306 21:38:04.209732  <4>[   95.003054] Backtrace: 

 4307 21:38:04.210065  <4>[   95.005788] [<c13bdcdc>] (dump_backtrace) from [<c13be09c>] (show_stack+0x20/0x24)

 4308 21:38:04.251767  <4>[   95.013632]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8

 4309 21:38:04.252337  <4>[   95.019572] [<c13be07c>] (show_stack) from [<c13c5334>] (dump_stack+0xe0/0x100)

 4310 21:38:04.252712  <4>[   95.027162] [<c13c5254>] (dump_stack) from [<c03567c8>] (__warn+0x98/0x14c)

 4311 21:38:04.253054  <4>[   95.034399]  r9:00000009 r8:c0875abc r7:00000016 r6:00000009 r5:c0875abc r4:c1a29fb4

 4312 21:38:04.253384  <4>[   95.042417] [<c0356730>] (__warn) from [<c13bf1d8>] (warn_slowpath_fmt+0x8c/0xa8)

 4313 21:38:04.253707  <4>[   95.050172]  r7:00000016 r6:c1a29fb4 r5:c1a29f8c r4:c68d0000

 4314 21:38:04.295340  <4>[   95.056107] [<c13bf150>] (warn_slowpath_fmt) from [<c0875abc>] (refcount_warn_saturate+0xd4/0x174)

 4315 21:38:04.295921  <4>[   95.065339]  r9:c1ad5fb0 r8:c15ebd54 r7:c68d1f60 r6:00000017 r5:c6a98000 r4:c68d0000

 4316 21:38:04.296307  <4>[   95.073362] [<c08759e8>] (refcount_warn_saturate) from [<c0c5956c>] (__refcount_add.constprop.0+0x44/0x58)

 4317 21:38:04.296659  <4>[   95.083296] [<c0c59528>] (__refcount_add.constprop.0) from [<c13cc520>] (lkdtm_REFCOUNT_INC_SATURATED+0x4c/0x70)

 4318 21:38:04.339297  <4>[   95.093746] [<c13cc4d4>] (lkdtm_REFCOUNT_INC_SATURATED) from [<c0c584e8>] (lkdtm_do_action+0x2c/0x4c)

 4319 21:38:04.339867  <4>[   95.103232]  r4:00000035

 4320 21:38:04.340236  <4>[   95.106040] [<c0c584bc>] (lkdtm_do_action) from [<c0c589e8>] (direct_entry+0x120/0x18c)

 4321 21:38:04.340583  <4>[   95.114325] [<c0c588c8>] (direct_entry) from [<c07e211c>] (full_proxy_write+0x64/0x94)

 4322 21:38:04.340912  <4>[   95.122514]  r9:c68d1f60 r8:c517a780 r7:00000017 r6:b6de0000 r5:c41f72c0 r4:c0c588c8

 4323 21:38:04.341239  <4>[   95.130540] [<c07e20b8>] (full_proxy_write) from [<c059bdac>] (vfs_write+0x10c/0x53c)

 4324 21:38:04.383323  <4>[   95.138642]  r9:c07e20b8 r8:c68d1f60 r7:c290d000 r6:b6de0000 r5:c41f72c0 r4:00000000

 4325 21:38:04.383901  <4>[   95.146661] [<c059bca0>] (vfs_write) from [<c059c358>] (ksys_write+0x74/0xec)

 4326 21:38:04.384296  <4>[   95.154069]  r10:00000004 r9:00000000 r8:00000000 r7:b6de0000 r6:c68d0000 r5:c41f72c0

 4327 21:38:04.384814  <4>[   95.162165]  r4:c41f72c0

 4328 21:38:04.385168  <4>[   95.164973] [<c059c2e4>] (ksys_write) from [<c059c3e8>] (sys_write+0x18/0x1c)

 4329 21:38:04.385500  <4>[   95.172381]  r9:c68d0000 r8:c03002e4 r7:00000004 r6:b6f27e00 r5:00000017 r4:00000017

 4330 21:38:04.427372  <4>[   95.180401] [<c059c3d0>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 4331 21:38:04.427950  <4>[   95.188239] Exception stack(0xc68d1fa8 to 0xc68d1ff0)

 4332 21:38:04.428329  <4>[   95.193564] 1fa0:                   00000017 00000017 00000001 b6de0000 00000017 00000000

 4333 21:38:04.428677  <4>[   95.202014] 1fc0: 00000017 00000017 b6f27e00 00000004 00000001 00000000 00020000 beefaac4

 4334 21:38:04.429009  <4>[   95.210463] 1fe0: 00000004 beefa7f8 b6e91d8f b6e187e6

 4335 21:38:04.429331  <4>[   95.215856] irq event stamp: 0

 4336 21:38:04.429644  <4>[   95.219200] hardirqs last  enabled at (0): [<00000000>] 0x0

 4337 21:38:04.471323  <4>[   95.225099] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 4338 21:38:04.471893  <4>[   95.232905] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 4339 21:38:04.472269  <4>[   95.240708] softirqs last disabled at (0): [<00000000>] 0x0

 4340 21:38:04.472610  <4>[   95.246556] ---[ end trace c25e2e226ccb703f ]---

 4341 21:38:04.472937  <6>[   95.251488] lkdtm: Saturation detected: still saturated

 4342 21:38:04.620133  # [   94.927052] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED

 4343 21:38:04.620701  # [   94.933586] lkdtm: attempting bad refcount_inc() from saturated

 4344 21:38:04.621071  # [   94.939925] ------------[ cut here ]------------

 4345 21:38:04.621411  # [   94.944861] WARNING: CPU: 3 PID: 2989 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174

 4346 21:38:04.621742  # [   94.953634] refcount_t: saturated; leaking memory.

 4347 21:38:04.663481  # [   94.958700] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3

 4348 21:38:04.664066  # [   94.988242] CPU: 3 PID: 2989 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 4349 21:38:04.664445  # [   94.996258] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 4350 21:38:04.664793  # [   95.003054] Backtrace: 

 4351 21:38:04.665121  # [   95.005788] [<c13bdcdc>] (dump_backtrace) from [<c13be09c>] (show_stack+0x20/0x24)

 4352 21:38:04.707344  # [   95.013632]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8

 4353 21:38:04.707909  # [   95.019572] [<c13be07c>] (show_stack) from [<c13c5334>] (dump_stack+0xe0/0x100)

 4354 21:38:04.708284  # [   95.027162] [<c13c5254>] (dump_stack) from [<c03567c8>] (__warn+0x98/0x14c)

 4355 21:38:04.708631  # [   95.034399]  r9:00000009 r8:c0875abc r7:00000016 r6:00000009 r5:c0875abc r4:c1a29fb4

 4356 21:38:04.708961  # [   95.042417] [<c0356730>] (__warn) from [<c13bf1d8>] (warn_slowpath_fmt+0x8c/0xa8)

 4357 21:38:04.709288  # [   95.050172]  r7:00000016 r6:c1a29fb4 r5:c1a29f8c r4:c68d0000

 4358 21:38:04.751267  # [   95.056107] [<c13bf150>] (warn_slowpath_fmt) from [<c0875abc>] (refcount_warn_saturate+0xd4/0x174)

 4359 21:38:04.751843  # [   95.065339]  r9:c1ad5fb0 r8:c15ebd54 r7:c68d1f60 r6:00000017 r5:c6a98000 r4:c68d0000

 4360 21:38:04.752243  # [   95.073362] [<c08759e8>] (refcount_warn_saturate) from [<c0c5956c>] (__refcount_add.constprop.0+0x44/0x58)

 4361 21:38:04.752591  # [   95.083296] [<c0c59528>] (__refcount_add.constprop.0) from [<c13cc520>] (lkdtm_REFCOUNT_INC_SATURATED+0x4c/0x70)

 4362 21:38:04.795287  # [   95.093746] [<c13cc4d4>] (lkdtm_REFCOUNT_INC_SATURATED) from [<c0c584e8>] (lkdtm_do_action+0x2c/0x4c)

 4363 21:38:04.795859  # [   95.103232]  r4:00000035

 4364 21:38:04.796228  # [   95.106040] [<c0c584bc>] (lkdtm_do_action) from [<c0c589e8>] (direct_entry+0x120/0x18c)

 4365 21:38:04.796576  # [   95.114325] [<c0c588c8>] (direct_entry) from [<c07e211c>] (full_proxy_write+0x64/0x94)

 4366 21:38:04.796910  # [   95.122514]  r9:c68d1f60 r8:c517a780 r7:00000017 r6:b6de0000 r5:c41f72c0 r4:c0c588c8

 4367 21:38:04.797232  # [   95.130540] [<c07e20b8>] (full_proxy_write) from [<c059bdac>] (vfs_write+0x10c/0x53c)

 4368 21:38:04.839288  # [   95.138642]  r9:c07e20b8 r8:c68d1f60 r7:c290d000 r6:b6de0000 r5:c41f72c0 r4:00000000

 4369 21:38:04.839865  # [   95.146661] [<c059bca0>] (vfs_write) from [<c059c358>] (ksys_write+0x74/0xec)

 4370 21:38:04.840340  # [   95.154069]  r10:00000004 r9:00000000 r8:00000000 r7:b6de0000 r6:c68d0000 r5:c41f72c0

 4371 21:38:04.840693  # [   95.162165]  r4:c41f72c0

 4372 21:38:04.841024  # [   95.164973] [<c059c2e4>] (ksys_write) from [<c059c3e8>] (sys_write+0x18/0x1c)

 4373 21:38:04.841353  # [   95.172381]  r9:c68d0000 r8:c03002e4 r7:00000004 r6:b6f27e00 r5:00000017 r4:00000017

 4374 21:38:04.841673  # [   95.180401] [<c059c3d0>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 4375 21:38:04.883274  # [   95.188239] Exception stack(0xc68d1fa8 to 0xc68d1ff0)

 4376 21:38:04.883834  # [   95.193564] 1fa0:                   00000017 00000017 00000001 b6de0000 00000017 00000000

 4377 21:38:04.884204  # [   95.202014] 1fc0: 00000017 00000017 b6f27e00 00000004 00000001 00000000 00020000 beefaac4

 4378 21:38:04.884549  # [   95.210463] 1fe0: 00000004 beefa7f8 b6e91d8f b6e187e6

 4379 21:38:04.884877  # [   95.215856] irq event stamp: 0

 4380 21:38:04.885195  # [   95.219200] hardirqs last  enabled at (0): [<00000000>] 0x0

 4381 21:38:04.885512  # [   95.225099] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 4382 21:38:04.927238  # [   95.232905] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 4383 21:38:04.927696  # [   95.240708] softirqs last disabled at (0): [<00000000>] 0x0

 4384 21:38:04.928032  # [   95.246556] ---[ end trace c25e2e226ccb703f ]---

 4385 21:38:04.928344  # [   95.251488] lkdtm: Saturation detected: still saturated

 4386 21:38:04.928639  # REFCOUNT_INC_SATURATED: saw 'Saturation detected: still saturated': ok

 4387 21:38:04.928935  ok 52 selftests: lkdtm: REFCOUNT_INC_SATURATED.sh

 4388 21:38:04.929225  # selftests: lkdtm: REFCOUNT_DEC_SATURATED.sh

 4389 21:38:05.085181  <6>[   95.847453] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED

 4390 21:38:05.085753  <6>[   95.853918] lkdtm: attempting bad refcount_dec() from saturated

 4391 21:38:05.086121  <4>[   95.860171] ------------[ cut here ]------------

 4392 21:38:05.086719  <4>[   95.865085] WARNING: CPU: 0 PID: 3025 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174

 4393 21:38:05.087280  <4>[   95.873844] refcount_t: decrement hit 0; leaking memory.

 4394 21:38:05.128526  <4>[   95.879433] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3

 4395 21:38:05.129112  <4>[   95.909075] CPU: 0 PID: 3025 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 4396 21:38:05.129495  <4>[   95.917089] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 4397 21:38:05.129846  <4>[   95.923887] Backtrace: 

 4398 21:38:05.130181  <4>[   95.926623] [<c13bdcdc>] (dump_backtrace) from [<c13be09c>] (show_stack+0x20/0x24)

 4399 21:38:05.171726  <4>[   95.934467]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8

 4400 21:38:05.172295  <4>[   95.940405] [<c13be07c>] (show_stack) from [<c13c5334>] (dump_stack+0xe0/0x100)

 4401 21:38:05.172685  <4>[   95.947994] [<c13c5254>] (dump_stack) from [<c03567c8>] (__warn+0x98/0x14c)

 4402 21:38:05.173034  <4>[   95.955231]  r9:00000009 r8:c0875a54 r7:0000001f r6:00000009 r5:c0875a54 r4:c1a29fb4

 4403 21:38:05.173367  <4>[   95.963250] [<c0356730>] (__warn) from [<c13bf1d8>] (warn_slowpath_fmt+0x8c/0xa8)

 4404 21:38:05.173693  <4>[   95.971005]  r7:0000001f r6:c1a29fb4 r5:c1a2a018 r4:c686c000

 4405 21:38:05.219508  <4>[   95.976942] [<c13bf150>] (warn_slowpath_fmt) from [<c0875a54>] (refcount_warn_saturate+0x6c/0x174)

 4406 21:38:05.220084  <4>[   95.986174]  r9:c1ad5fc8 r8:c15ebd54 r7:c686df60 r6:00000017 r5:c411b000 r4:c686c000

 4407 21:38:05.220461  <4>[   95.994198] [<c08759e8>] (refcount_warn_saturate) from [<c13cbe0c>] (__refcount_dec.constprop.0+0x38/0x3c)

 4408 21:38:05.220812  <4>[   96.004129] [<c13cbdd4>] (__refcount_dec.constprop.0) from [<c13cc58c>] (lkdtm_REFCOUNT_DEC_SATURATED+0x48/0x6c)

 4409 21:38:05.263350  <4>[   96.014581] [<c13cc544>] (lkdtm_REFCOUNT_DEC_SATURATED) from [<c0c584e8>] (lkdtm_do_action+0x2c/0x4c)

 4410 21:38:05.263919  <4>[   96.024067]  r4:00000036

 4411 21:38:05.264299  <4>[   96.026875] [<c0c584bc>] (lkdtm_do_action) from [<c0c589e8>] (direct_entry+0x120/0x18c)

 4412 21:38:05.264648  <4>[   96.035160] [<c0c588c8>] (direct_entry) from [<c07e211c>] (full_proxy_write+0x64/0x94)

 4413 21:38:05.265075  <4>[   96.043350]  r9:c686df60 r8:c517a780 r7:00000017 r6:b6deb000 r5:c5f19cc0 r4:c0c588c8

 4414 21:38:05.265417  <4>[   96.051373] [<c07e20b8>] (full_proxy_write) from [<c059bdac>] (vfs_write+0x10c/0x53c)

 4415 21:38:05.307393  <4>[   96.059476]  r9:c07e20b8 r8:c686df60 r7:c290d000 r6:b6deb000 r5:c5f19cc0 r4:00000000

 4416 21:38:05.307959  <4>[   96.067493] [<c059bca0>] (vfs_write) from [<c059c358>] (ksys_write+0x74/0xec)

 4417 21:38:05.308350  <4>[   96.074901]  r10:00000004 r9:00000000 r8:00000000 r7:b6deb000 r6:c686c000 r5:c5f19cc0

 4418 21:38:05.308703  <4>[   96.082997]  r4:c5f19cc0

 4419 21:38:05.309037  <4>[   96.085805] [<c059c2e4>] (ksys_write) from [<c059c3e8>] (sys_write+0x18/0x1c)

 4420 21:38:05.309365  <4>[   96.093213]  r9:c686c000 r8:c03002e4 r7:00000004 r6:b6f32e00 r5:00000017 r4:00000017

 4421 21:38:05.351272  <4>[   96.101233] [<c059c3d0>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 4422 21:38:05.351845  <4>[   96.109071] Exception stack(0xc686dfa8 to 0xc686dff0)

 4423 21:38:05.352173  <4>[   96.114396] dfa0:                   00000017 00000017 00000001 b6deb000 00000017 00000000

 4424 21:38:05.352249  <4>[   96.122849] dfc0: 00000017 00000017 b6f32e00 00000004 00000001 00000000 00020000 befc0ac4

 4425 21:38:05.352306  <4>[   96.131294] dfe0: 00000004 befc07f8 b6e9cd8f b6e237e6

 4426 21:38:05.352362  <4>[   96.136702] irq event stamp: 0

 4427 21:38:05.352471  <4>[   96.140074] hardirqs last  enabled at (0): [<00000000>] 0x0

 4428 21:38:05.395159  <4>[   96.145934] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 4429 21:38:05.395586  <4>[   96.153755] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 4430 21:38:05.395921  <4>[   96.162872] softirqs last disabled at (0): [<00000000>] 0x0

 4431 21:38:05.396231  <4>[   96.169537] ---[ end trace c25e2e226ccb7040 ]---

 4432 21:38:05.396532  <6>[   96.174493] lkdtm: Saturation detected: still saturated

 4433 21:38:05.571459  # [   95.847453] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED

 4434 21:38:05.572025  # [   95.853918] lkdtm: attempting bad refcount_dec() from saturated

 4435 21:38:05.572398  # [   95.860171] ------------[ cut here ]------------

 4436 21:38:05.572742  # [   95.865085] WARNING: CPU: 0 PID: 3025 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174

 4437 21:38:05.573076  # [   95.873844] refcount_t: decrement hit 0; leaking memory.

 4438 21:38:05.615330  # [   95.879433] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3

 4439 21:38:05.615915  # [   95.909075] CPU: 0 PID: 3025 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 4440 21:38:05.616296  # [   95.917089] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 4441 21:38:05.616688  # [   95.923887] Backtrace: 

 4442 21:38:05.617063  # [   95.926623] [<c13bdcdc>] (dump_backtrace) from [<c13be09c>] (show_stack+0x20/0x24)

 4443 21:38:05.659296  # [   95.934467]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8

 4444 21:38:05.659873  # [   95.940405] [<c13be07c>] (show_stack) from [<c13c5334>] (dump_stack+0xe0/0x100)

 4445 21:38:05.660258  # [   95.947994] [<c13c5254>] (dump_stack) from [<c03567c8>] (__warn+0x98/0x14c)

 4446 21:38:05.660607  # [   95.955231]  r9:00000009 r8:c0875a54 r7:0000001f r6:00000009 r5:c0875a54 r4:c1a29fb4

 4447 21:38:05.660942  # [   95.963250] [<c0356730>] (__warn) from [<c13bf1d8>] (warn_slowpath_fmt+0x8c/0xa8)

 4448 21:38:05.661265  # [   95.971005]  r7:0000001f r6:c1a29fb4 r5:c1a2a018 r4:c686c000

 4449 21:38:05.703298  # [   95.976942] [<c13bf150>] (warn_slowpath_fmt) from [<c0875a54>] (refcount_warn_saturate+0x6c/0x174)

 4450 21:38:05.703893  # [   95.986174]  r9:c1ad5fc8 r8:c15ebd54 r7:c686df60 r6:00000017 r5:c411b000 r4:c686c000

 4451 21:38:05.704284  # [   95.994198] [<c08759e8>] (refcount_warn_saturate) from [<c13cbe0c>] (__refcount_dec.constprop.0+0x38/0x3c)

 4452 21:38:05.704676  # [   96.004129] [<c13cbdd4>] (__refcount_dec.constprop.0) from [<c13cc58c>] (lkdtm_REFCOUNT_DEC_SATURATED+0x48/0x6c)

 4453 21:38:05.705027  # [   96.014581] [<c13cc544>] (lkdtm_REFCOUNT_DEC_SATURATED) from [<c0c584e8>] (lkdtm_do_action+0x2c/0x4c)

 4454 21:38:05.747301  # [   96.024067]  r4:00000036

 4455 21:38:05.747994  # [   96.026875] [<c0c584bc>] (lkdtm_do_action) from [<c0c589e8>] (direct_entry+0x120/0x18c)

 4456 21:38:05.748504  # [   96.035160] [<c0c588c8>] (direct_entry) from [<c07e211c>] (full_proxy_write+0x64/0x94)

 4457 21:38:05.748872  # [   96.043350]  r9:c686df60 r8:c517a780 r7:00000017 r6:b6deb000 r5:c5f19cc0 r4:c0c588c8

 4458 21:38:05.749214  # [   96.051373] [<c07e20b8>] (full_proxy_write) from [<c059bdac>] (vfs_write+0x10c/0x53c)

 4459 21:38:05.749545  # [   96.059476]  r9:c07e20b8 r8:c686df60 r7:c290d000 r6:b6deb000 r5:c5f19cc0 r4:00000000

 4460 21:38:05.795295  # [   96.067493] [<c059bca0>] (vfs_write) from [<c059c358>] (ksys_write+0x74/0xec)

 4461 21:38:05.795860  # [   96.074901]  r10:00000004 r9:00000000 r8:00000000 r7:b6deb000 r6:c686c000 r5:c5f19cc0

 4462 21:38:05.796387  # [   96.082997]  r4:c5f19cc0

 4463 21:38:05.796739  # [   96.085805] [<c059c2e4>] (ksys_write) from [<c059c3e8>] (sys_write+0x18/0x1c)

 4464 21:38:05.797073  # [   96.093213]  r9:c686c000 r8:c03002e4 r7:00000004 r6:b6f32e00 r5:00000017 r4:00000017

 4465 21:38:05.797400  # [   96.101233] [<c059c3d0>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 4466 21:38:05.839272  # [   96.109071] Exception stack(0xc686dfa8 to 0xc686dff0)

 4467 21:38:05.839839  # [   96.114396] dfa0:                   00000017 00000017 00000001 b6deb000 00000017 00000000

 4468 21:38:05.840258  # [   96.122849] dfc0: 00000017 00000017 b6f32e00 00000004 00000001 00000000 00020000 befc0ac4

 4469 21:38:05.840675  # [   96.131294] dfe0: 00000004 befc07f8 b6e9cd8f b6e237e6

 4470 21:38:05.841026  # [   96.136702] irq event stamp: 0

 4471 21:38:05.841351  # [   96.140074] hardirqs last  enabled at (0): [<00000000>] 0x0

 4472 21:38:05.841669  # [   96.145934] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 4473 21:38:05.887311  # [   96.153755] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 4474 21:38:05.888038  # [   96.162872] softirqs last disabled at (0): [<00000000>] 0x0

 4475 21:38:05.888445  # [   96.169537] ---[ end trace c25e2e226ccb7040 ]---

 4476 21:38:05.888921  # [   96.174493] lkdtm: Saturation detected: still saturated

 4477 21:38:05.889400  # REFCOUNT_DEC_SATURATED: saw 'Saturation detected: still saturated': ok

 4478 21:38:05.889857  ok 53 selftests: lkdtm: REFCOUNT_DEC_SATURATED.sh

 4479 21:38:05.890300  # selftests: lkdtm: REFCOUNT_ADD_SATURATED.sh

 4480 21:38:06.026350  <6>[   96.788414] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED

 4481 21:38:06.026961  <6>[   96.794958] lkdtm: attempting bad refcount_dec() from saturated

 4482 21:38:06.027465  <4>[   96.801265] ------------[ cut here ]------------

 4483 21:38:06.027935  <4>[   96.806211] WARNING: CPU: 3 PID: 3061 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174

 4484 21:38:06.028392  <4>[   96.814999] refcount_t: saturated; leaking memory.

 4485 21:38:06.069385  <4>[   96.820103] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3

 4486 21:38:06.069967  <4>[   96.849589] CPU: 3 PID: 3061 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 4487 21:38:06.070341  <4>[   96.857603] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 4488 21:38:06.070684  <4>[   96.864398] Backtrace: 

 4489 21:38:06.071049  <4>[   96.867135] [<c13bdcdc>] (dump_backtrace) from [<c13be09c>] (show_stack+0x20/0x24)

 4490 21:38:06.112872  <4>[   96.874977]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8

 4491 21:38:06.113445  <4>[   96.880914] [<c13be07c>] (show_stack) from [<c13c5334>] (dump_stack+0xe0/0x100)

 4492 21:38:06.113817  <4>[   96.888502] [<c13c5254>] (dump_stack) from [<c03567c8>] (__warn+0x98/0x14c)

 4493 21:38:06.114165  <4>[   96.895740]  r9:00000009 r8:c0875abc r7:00000016 r6:00000009 r5:c0875abc r4:c1a29fb4

 4494 21:38:06.114495  <4>[   96.903760] [<c0356730>] (__warn) from [<c13bf1d8>] (warn_slowpath_fmt+0x8c/0xa8)

 4495 21:38:06.114850  <4>[   96.911516]  r7:00000016 r6:c1a29fb4 r5:c1a29f8c r4:c681c000

 4496 21:38:06.156081  <4>[   96.917452] [<c13bf150>] (warn_slowpath_fmt) from [<c0875abc>] (refcount_warn_saturate+0xd4/0x174)

 4497 21:38:06.156657  <4>[   96.926685]  r9:c1ad5fe0 r8:c15ebd54 r7:c681df60 r6:00000017 r5:c5f42000 r4:c681c000

 4498 21:38:06.157030  <4>[   96.934708] [<c08759e8>] (refcount_warn_saturate) from [<c0c5956c>] (__refcount_add.constprop.0+0x44/0x58)

 4499 21:38:06.157380  <4>[   96.944644] [<c0c59528>] (__refcount_add.constprop.0) from [<c13cc5fc>] (lkdtm_REFCOUNT_ADD_SATURATED+0x4c/0x70)

 4500 21:38:06.203481  <4>[   96.955094] [<c13cc5b0>] (lkdtm_REFCOUNT_ADD_SATURATED) from [<c0c584e8>] (lkdtm_do_action+0x2c/0x4c)

 4501 21:38:06.204058  <4>[   96.964581]  r4:00000037

 4502 21:38:06.204437  <4>[   96.967389] [<c0c584bc>] (lkdtm_do_action) from [<c0c589e8>] (direct_entry+0x120/0x18c)

 4503 21:38:06.204785  <4>[   96.975674] [<c0c588c8>] (direct_entry) from [<c07e211c>] (full_proxy_write+0x64/0x94)

 4504 21:38:06.205117  <4>[   96.983865]  r9:c681df60 r8:c517a780 r7:00000017 r6:b6e54000 r5:c68eb2c0 r4:c0c588c8

 4505 21:38:06.205444  <4>[   96.991890] [<c07e20b8>] (full_proxy_write) from [<c059bdac>] (vfs_write+0x10c/0x53c)

 4506 21:38:06.247309  <4>[   96.999992]  r9:c07e20b8 r8:c681df60 r7:c290d000 r6:b6e54000 r5:c68eb2c0 r4:00000000

 4507 21:38:06.247882  <4>[   97.008010] [<c059bca0>] (vfs_write) from [<c059c358>] (ksys_write+0x74/0xec)

 4508 21:38:06.248263  <4>[   97.015418]  r10:00000004 r9:00000000 r8:00000000 r7:b6e54000 r6:c681c000 r5:c68eb2c0

 4509 21:38:06.248610  <4>[   97.023513]  r4:c68eb2c0

 4510 21:38:06.248939  <4>[   97.026323] [<c059c2e4>] (ksys_write) from [<c059c3e8>] (sys_write+0x18/0x1c)

 4511 21:38:06.249261  <4>[   97.033732]  r9:c681c000 r8:c03002e4 r7:00000004 r6:b6f9be00 r5:00000017 r4:00000017

 4512 21:38:06.291256  <4>[   97.041751] [<c059c3d0>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 4513 21:38:06.292000  <4>[   97.049590] Exception stack(0xc681dfa8 to 0xc681dff0)

 4514 21:38:06.292602  <4>[   97.054915] dfa0:                   00000017 00000017 00000001 b6e54000 00000017 00000000

 4515 21:38:06.293107  <4>[   97.063367] dfc0: 00000017 00000017 b6f9be00 00000004 00000001 00000000 00020000 be806ac4

 4516 21:38:06.293701  <4>[   97.071815] dfe0: 00000004 be8067f8 b6f05d8f b6e8c7e6

 4517 21:38:06.294135  <4>[   97.077238] irq event stamp: 0

 4518 21:38:06.294610  <4>[   97.080612] hardirqs last  enabled at (0): [<00000000>] 0x0

 4519 21:38:06.335300  <4>[   97.086471] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 4520 21:38:06.335830  <4>[   97.094290] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 4521 21:38:06.336273  <4>[   97.102146] softirqs last disabled at (0): [<00000000>] 0x0

 4522 21:38:06.336627  <4>[   97.108005] ---[ end trace c25e2e226ccb7041 ]---

 4523 21:38:06.336963  <6>[   97.112939] lkdtm: Saturation detected: still saturated

 4524 21:38:06.503695  # [    0.000000]   HighMem  [mem 0x0000000040000000-0x000000004fffffff]

 4525 21:38:06.504263  # [    0.000000] Movable zone start for each node

 4526 21:38:06.504633  # [    0.000000] Early memory node ranges

 4527 21:38:06.504977  # [    0.000000]   node   0: [mem 0x0000000010000000-0x000000004fffffff]

 4528 21:38:06.505394  # [    0.000000] Initmem setup node 0 [mem 0x0000000010000000-0x000000004fffffff]

 4529 21:38:06.505746  # [    0.000000] On node 0 totalpages: 262144

 4530 21:38:06.506069  # [    0.000000]   DMA zone: 1536 pages used for memmap

 4531 21:38:06.506388  # [    0.000000]   DMA zone: 0 pages reserved

 4532 21:38:06.551464  # [    0.000000]   DMA zone: 196608 pages, LIFO batch:63

 4533 21:38:06.552034  # [    0.000000]   HighMem zone: 65536 pages, LIFO batch:15

 4534 21:38:06.552411  # [    0.000000] percpu: Embedded 21 pages/cpu s55468 r8192 d22356 u86016

 4535 21:38:06.552753  # [    0.000000] pcpu-alloc: s55468 r8192 d22356 u86016 alloc=21*4096

 4536 21:38:06.553085  # [    0.000000] pcpu-alloc: [0] 0 [0] 1 [0] 2 [0] 3 

 4537 21:38:06.553407  # [    0.000000] Built 1 zonelists, mobility grouping on.  Total pages: 260608

 4538 21:38:06.595414  # [    0.000000] Kernel command line: console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/12965456/extract-nfsrootfs-1mkguq4j,tcp,hard console_msg_format=syslog earlycon deferred_probe_timeout=60 ip=dhcp

 4539 21:38:06.595998  # [    0.000000] Dentry cache hash table entries: 131072 (order: 7, 524288 bytes, linear)

 4540 21:38:06.596377  # [    0.000000] Inode-cache hash table entries: 65536 (order: 6, 262144 bytes, linear)

 4541 21:38:06.596723  # [    0.000000] mem auto-init: stack:off, heap alloc:off, heap free:off

 4542 21:38:06.639274  # [    0.000000] Memory: 921476K/1048576K available (17408K kernel code, 2714K rwdata, 8144K rodata, 2048K init, 6693K bss, 61564K reserved, 65536K cma-reserved, 196608K highmem)

 4543 21:38:06.639842  # [    0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1

 4544 21:38:06.640212  # [    0.000000] ftrace: allocating 56146 entries in 165 pages

 4545 21:38:06.640557  # [    0.000000] ftrace: allocated 165 pages with 4 groups

 4546 21:38:06.640887  # [    0.000000] Running RCU self tests

 4547 21:38:06.641210  # [   96.788414] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED

 4548 21:38:06.641529  # [   96.794958] lkdtm: attempting bad refcount_dec() from saturated

 4549 21:38:06.683277  # [   96.801265] ------------[ cut here ]------------

 4550 21:38:06.683860  # [   96.806211] WARNING: CPU: 3 PID: 3061 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174

 4551 21:38:06.684243  # [   96.814999] refcount_t: saturated; leaking memory.

 4552 21:38:06.727448  # [   96.820103] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3

 4553 21:38:06.728035  # [   96.849589] CPU: 3 PID: 3061 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 4554 21:38:06.728418  # [   96.857603] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 4555 21:38:06.728766  # [   96.864398] Backtrace: 

 4556 21:38:06.729095  # [   96.867135] [<c13bdcdc>] (dump_backtrace) from [<c13be09c>] (show_stack+0x20/0x24)

 4557 21:38:06.729421  # [   96.874977]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8

 4558 21:38:06.729739  # [   96.880914] [<c13be07c>] (show_stack) from [<c13c5334>] (dump_stack+0xe0/0x100)

 4559 21:38:06.771281  # [   96.888502] [<c13c5254>] (dump_stack) from [<c03567c8>] (__warn+0x98/0x14c)

 4560 21:38:06.771886  # [   96.895740]  r9:00000009 r8:c0875abc r7:00000016 r6:00000009 r5:c0875abc r4:c1a29fb4

 4561 21:38:06.772264  # [   96.903760] [<c0356730>] (__warn) from [<c13bf1d8>] (warn_slowpath_fmt+0x8c/0xa8)

 4562 21:38:06.772611  # [   96.911516]  r7:00000016 r6:c1a29fb4 r5:c1a29f8c r4:c681c000

 4563 21:38:06.772942  # [   96.917452] [<c13bf150>] (warn_slowpath_fmt) from [<c0875abc>] (refcount_warn_saturate+0xd4/0x174)

 4564 21:38:06.773271  # [   96.926685]  r9:c1ad5fe0 r8:c15ebd54 r7:c681df60 r6:00000017 r5:c5f42000 r4:c681c000

 4565 21:38:06.815441  # [   96.934708] [<c08759e8>] (refcount_warn_saturate) from [<c0c5956c>] (__refcount_add.constprop.0+0x44/0x58)

 4566 21:38:06.816012  # [   96.944644] [<c0c59528>] (__refcount_add.constprop.0) from [<c13cc5fc>] (lkdtm_REFCOUNT_ADD_SATURATED+0x4c/0x70)

 4567 21:38:06.816390  # [   96.955094] [<c13cc5b0>] (lkdtm_REFCOUNT_ADD_SATURATED) from [<c0c584e8>] (lkdtm_do_action+0x2c/0x4c)

 4568 21:38:06.816736  # [   96.964581]  r4:00000037

 4569 21:38:06.817063  # [   96.967389] [<c0c584bc>] (lkdtm_do_action) from [<c0c589e8>] (direct_entry+0x120/0x18c)

 4570 21:38:06.859436  # [   96.975674] [<c0c588c8>] (direct_entry) from [<c07e211c>] (full_proxy_write+0x64/0x94)

 4571 21:38:06.860006  # [   96.983865]  r9:c681df60 r8:c517a780 r7:00000017 r6:b6e54000 r5:c68eb2c0 r4:c0c588c8

 4572 21:38:06.860385  # [   96.991890] [<c07e20b8>] (full_proxy_write) from [<c059bdac>] (vfs_write+0x10c/0x53c)

 4573 21:38:06.860730  # [   96.999992]  r9:c07e20b8 r8:c681df60 r7:c290d000 r6:b6e54000 r5:c68eb2c0 r4:00000000

 4574 21:38:06.861060  # [   97.008010] [<c059bca0>] (vfs_write) from [<c059c358>] (ksys_write+0x74/0xec)

 4575 21:38:06.861382  # [   97.015418]  r10:00000004 r9:00000000 r8:00000000 r7:b6e54000 r6:c681c000 r5:c68eb2c0

 4576 21:38:06.907224  # [   97.023513]  r4:c68eb2c0

 4577 21:38:06.907780  # [   97.026323] [<c059c2e4>] (ksys_write) from [<c059c3e8>] (sys_write+0x18/0x1c)

 4578 21:38:06.908156  # [   97.033732]  r9:c681c000 r8:c03002e4 r7:00000004 r6:b6f9be00 r5:00000017 r4:00000017

 4579 21:38:06.908501  # [   97.041751] [<c059c3d0>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 4580 21:38:06.908835  # [   97.049590] Exception stack(0xc681dfa8 to 0xc681dff0)

 4581 21:38:06.909158  # [   97.054915] dfa0:                   00000017 00000017 00000001 b6e54000 00000017 00000000

 4582 21:38:06.951447  # [   97.063367] dfc0: 00000017 00000017 b6f9be00 00000004 00000001 00000000 00020000 be806ac4

 4583 21:38:06.952034  # [   97.071815] dfe0: 00000004 be8067f8 b6f05d8f b6e8c7e6

 4584 21:38:06.952417  # [   97.077238] irq event stamp: 0

 4585 21:38:06.952762  # [   97.080612] hardirqs last  enabled at (0): [<00000000>] 0x0

 4586 21:38:06.953090  # [   97.086471] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 4587 21:38:06.953413  # [   97.094290] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 4588 21:38:06.953728  # [   97.102146] softirqs last disabled at (0): [<00000000>] 0x0

 4589 21:38:06.999416  # [   97.108005] ---[ end trace c25e2e226ccb7041 ]---

 4590 21:38:06.999985  # [   97.112939] lkdt<6>[   97.742438] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED

 4591 21:38:07.000367  m: Saturation detected: still sat<6>[   97.749992] lkdtm: attempting bad refcount_inc_not_zero() from saturated

 4592 21:38:07.000716  urated

 4593 21:38:07.001045  # REFCOUNT_ADD_SATURATED:<4>[   97.759901] ------------[ cut here ]------------

 4594 21:38:07.001375   saw 'Saturation detected: still <4>[   97.767514] WARNING: CPU: 3 PID: 3094 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174

 4595 21:38:07.001700  saturated': ok

 4596 21:38:07.043436  ok 54 selftests: <4>[   97.779105] refcount_t: saturated; leaking memory.

 4597 21:38:07.044014  lkdtm: REFCOUNT_ADD_SATURATED.sh

 4598 21:38:07.044401  <4>[   97.786992] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3

 4599 21:38:07.044769  

 4600 21:38:07.087409  # selftests: lkdtm: REFCOUNT_INC<4>[   97.818969] CPU: 3 PID: 3094 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 4601 21:38:07.087998  _NOT_ZERO_SA<T4U>R[A T E D9.7s.h829781] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 4602 21:38:07.088394  

 4603 21:38:07.088739  <4>[   97.838477] Backtrace: 

 4604 21:38:07.089066  <4>[   97.841285] [<c13bdcdc>] (dump_backtrace) from [<c13be09c>] (show_stack+0x20/0x24)

 4605 21:38:07.089392  <4>[   97.849128]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8

 4606 21:38:07.089711  <4>[   97.855067] [<c13be07c>] (show_stack) from [<c13c5334>] (dump_stack+0xe0/0x100)

 4607 21:38:07.131010  <4>[   97.862657] [<c13c5254>] (dump_stack) from [<c03567c8>] (__warn+0x98/0x14c)

 4608 21:38:07.131237  <4>[   97.869895]  r9:00000009 r8:c0875a88 r7:00000013 r6:00000009 r5:c0875a88 r4:c1a29fb4

 4609 21:38:07.131356  <4>[   97.877913] [<c0356730>] (__warn) from [<c13bf1d8>] (warn_slowpath_fmt+0x8c/0xa8)

 4610 21:38:07.131465  <4>[   97.885666]  r7:00000013 r6:c1a29fb4 r5:c1a29f8c r4:c6cfe000

 4611 21:38:07.131569  <4>[   97.891602] [<c13bf150>] (warn_slowpath_fmt) from [<c0875a88>] (refcount_warn_saturate+0xa0/0x174)

 4612 21:38:07.131671  <4>[   97.900834]  r9:c1ad5ff8 r8:c15ebd54 r7:c6cfff60 r6:00000020 r5:c6a98000 r4:c0000000

 4613 21:38:07.175420  <4>[   97.908860] [<c08759e8>] (refcount_warn_saturate) from [<c13cbe74>] (__refcount_add_not_zero.constprop.0+0x64/0x78)

 4614 21:38:07.175993  <4>[   97.919573] [<c13cbe10>] (__refcount_add_not_zero.constprop.0) from [<c13cc670>] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x50/0x88)

 4615 21:38:07.176367  <4>[   97.931579]  r5:c6a98000 r4:c6cfe000

 4616 21:38:07.176709  <4>[   97.935438] [<c13cc620>] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED) from [<c0c584e8>] (lkdtm_do_action+0x2c/0x4c)

 4617 21:38:07.177038  <4>[   97.945706]  r4:00000038

 4618 21:38:07.219292  <4>[   97.948516] [<c0c584bc>] (lkdtm_do_action) from [<c0c589e8>] (direct_entry+0x120/0x18c)

 4619 21:38:07.219865  <4>[   97.956802] [<c0c588c8>] (direct_entry) from [<c07e211c>] (full_proxy_write+0x64/0x94)

 4620 21:38:07.220242  <4>[   97.964992]  r9:c6cfff60 r8:c517a780 r7:00000020 r6:b6de2000 r5:c41f6b40 r4:c0c588c8

 4621 21:38:07.220592  <4>[   97.973017] [<c07e20b8>] (full_proxy_write) from [<c059bdac>] (vfs_write+0x10c/0x53c)

 4622 21:38:07.220929  <4>[   97.981122]  r9:c07e20b8 r8:c6cfff60 r7:c290d000 r6:b6de2000 r5:c41f6b40 r4:00000000

 4623 21:38:07.221256  <4>[   97.989142] [<c059bca0>] (vfs_write) from [<c059c358>] (ksys_write+0x74/0xec)

 4624 21:38:07.263040  <4>[   97.996551]  r10:00000004 r9:00000000 r8:00000000 r7:b6de2000 r6:c6cfe000 r5:c41f6b40

 4625 21:38:07.263203  <4>[   98.004646]  r4:c41f6b40

 4626 21:38:07.263271  <4>[   98.007455] [<c059c2e4>] (ksys_write) from [<c059c3e8>] (sys_write+0x18/0x1c)

 4627 21:38:07.263332  <4>[   98.014864]  r9:c6cfe000 r8:c03002e4 r7:00000004 r6:b6f29e00 r5:00000020 r4:00000020

 4628 21:38:07.263409  <4>[   98.022883] [<c059c3d0>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 4629 21:38:07.263497  <4>[   98.030721] Exception stack(0xc6cfffa8 to 0xc6cffff0)

 4630 21:38:07.311012  <4>[   98.036047] ffa0:                   00000020 00000020 00000001 b6de2000 00000020 00000000

 4631 21:38:07.311171  <4>[   98.044499] ffc0: 00000020 00000020 b6f29e00 00000004 00000001 00000000 00020000 beaaeac4

 4632 21:38:07.311254  <4>[   98.052946] ffe0: 00000004 beaae7f8 b6e93d8f b6e1a7e6

 4633 21:38:07.311316  <4>[   98.058344] irq event stamp: 0

 4634 21:38:07.311398  <4>[   98.061786] hardirqs last  enabled at (0): [<00000000>] 0x0

 4635 21:38:07.311523  <4>[   98.067650] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 4636 21:38:07.311626  <4>[   98.075460] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 4637 21:38:07.311716  <4>[   98.083257] softirqs last disabled at (0): [<00000000>] 0x0

 4638 21:38:07.311833  <4>[   98.089108] ---[ end trace c25e2e226ccb7042 ]---

 4639 21:38:07.311889  <6>[   98.094049] lkdtm: Saturation detected: still saturated

 4640 21:38:07.494545  # [   97.742438] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED

 4641 21:38:07.495153  # [   97.749992] lkdtm: attempting bad refcount_inc_not_zero() from saturated

 4642 21:38:07.495527  # [   97.759901] ------------[ cut here ]------------

 4643 21:38:07.495870  # [   97.767514] WARNING: CPU: 3 PID: 3094 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174

 4644 21:38:07.496202  # [   97.779105] refcount_t: saturated; leaking memory.

 4645 21:38:07.537593  # [   97.786992] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3

 4646 21:38:07.538178  # [   97.818969] CPU: 3 PID: 3094 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 4647 21:38:07.538551  # [   97.829781] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 4648 21:38:07.538940  # [   97.838477] Backtrace: 

 4649 21:38:07.539277  # [   97.841285] [<c13bdcdc>] (dump_backtrace) from [<c13be09c>] (show_stack+0x20/0x24)

 4650 21:38:07.583292  # [   97.849128]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8

 4651 21:38:07.583864  # [   97.855067] [<c13be07c>] (show_stack) from [<c13c5334>] (dump_stack+0xe0/0x100)

 4652 21:38:07.584241  # [   97.862657] [<c13c5254>] (dump_stack) from [<c03567c8>] (__warn+0x98/0x14c)

 4653 21:38:07.584581  # [   97.869895]  r9:00000009 r8:c0875a88 r7:00000013 r6:00000009 r5:c0875a88 r4:c1a29fb4

 4654 21:38:07.584910  # [   97.877913] [<c0356730>] (__warn) from [<c13bf1d8>] (warn_slowpath_fmt+0x8c/0xa8)

 4655 21:38:07.585231  # [   97.885666]  r7:00000013 r6:c1a29fb4 r5:c1a29f8c r4:c6cfe000

 4656 21:38:07.627245  # [   97.891602] [<c13bf150>] (warn_slowpath_fmt) from [<c0875a88>] (refcount_warn_saturate+0xa0/0x174)

 4657 21:38:07.627818  # [   97.900834]  r9:c1ad5ff8 r8:c15ebd54 r7:c6cfff60 r6:00000020 r5:c6a98000 r4:c0000000

 4658 21:38:07.628190  # [   97.908860] [<c08759e8>] (refcount_warn_saturate) from [<c13cbe74>] (__refcount_add_not_zero.constprop.0+0x64/0x78)

 4659 21:38:07.628541  # [   97.919573] [<c13cbe10>] (__refcount_add_not_zero.constprop.0) from [<c13cc670>] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x50/0x88)

 4660 21:38:07.628873  # [   97.931579]  r5:c6a98000 r4:c6cfe000

 4661 21:38:07.671259  # [   97.935438] [<c13cc620>] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED) from [<c0c584e8>] (lkdtm_do_action+0x2c/0x4c)

 4662 21:38:07.671786  # [   97.945706]  r4:00000038

 4663 21:38:07.672118  # [   97.948516] [<c0c584bc>] (lkdtm_do_action) from [<c0c589e8>] (direct_entry+0x120/0x18c)

 4664 21:38:07.672434  # [   97.956802] [<c0c588c8>] (direct_entry) from [<c07e211c>] (full_proxy_write+0x64/0x94)

 4665 21:38:07.672736  # [   97.964992]  r9:c6cfff60 r8:c517a780 r7:00000020 r6:b6de2000 r5:c41f6b40 r4:c0c588c8

 4666 21:38:07.719285  # [   97.973017] [<c07e20b8>] (full_proxy_write) from [<c059bdac>] (vfs_write+0x10c/0x53c)

 4667 21:38:07.719856  # [   97.981122]  r9:c07e20b8 r8:c6cfff60 r7:c290d000 r6:b6de2000 r5:c41f6b40 r4:00000000

 4668 21:38:07.720235  # [   97.989142] [<c059bca0>] (vfs_write) from [<c059c358>] (ksys_write+0x74/0xec)

 4669 21:38:07.720581  # [   97.996551]  r10:00000004 r9:00000000 r8:00000000 r7:b6de2000 r6:c6cfe000 r5:c41f6b40

 4670 21:38:07.720913  # [   98.004646]  r4:c41f6b40

 4671 21:38:07.721240  # [   98.007455] [<c059c2e4>] (ksys_write) from [<c059c3e8>] (sys_write+0x18/0x1c)

 4672 21:38:07.721562  # [   98.014864]  r9:c6cfe000 r8:c03002e4 r7:00000004 r6:b6f29e00 r5:00000020 r4:00000020

 4673 21:38:07.763300  # [   98.022883] [<c059c3d0>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 4674 21:38:07.763921  # [   98.030721] Exception stack(0xc6cfffa8 to 0xc6cffff0)

 4675 21:38:07.764334  # [   98.036047] ffa0:                   00000020 00000020 00000001 b6de2000 00000020 00000000

 4676 21:38:07.764684  # [   98.044499] ffc0: 00000020 00000020 b6f29e00 00000004 00000001 00000000 00020000 beaaeac4

 4677 21:38:07.765020  # [   98.052946] ffe0: 00000004 beaae7f8 b6e93d8f b6e1a7e6

 4678 21:38:07.765347  # [   98.058344] irq event stamp: 0

 4679 21:38:07.765661  # [   98.061786] hardirqs last  enabled at (0): [<00000000>] 0x0

 4680 21:38:07.807457  # [   98.067650] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 4681 21:38:07.808034  # [   98.075460] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 4682 21:38:07.808413  # [   98.083257] softirqs last disabled at (0): [<00000000>] 0x0

 4683 21:38:07.808759  # [   98.089108] ---[ end trace c25e2e226ccb7042 ]---

 4684 21:38:07.809088  # [   98.094049] lkdtm: Saturation detected: still saturated

 4685 21:38:07.809413  # REFCOUNT_INC_NOT_ZERO_SATURATED: missing 'call trace:': [FAIL]

 4686 21:38:07.809730  not ok 55 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh # exit=1

 4687 21:38:07.851429  # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh

 4688 21:38:07.953606  <6>[   98.715783] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED

 4689 21:38:07.953979  <6>[   98.723017] lkdtm: attempting bad refcount_add_not_zero() from saturated

 4690 21:38:07.954211  <4>[   98.730039] ------------[ cut here ]------------

 4691 21:38:07.954418  <4>[   98.734951] WARNING: CPU: 0 PID: 3129 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174

 4692 21:38:07.954616  <4>[   98.743714] refcount_t: saturated; leaking memory.

 4693 21:38:07.996578  <4>[   98.748780] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3

 4694 21:38:07.997162  <4>[   98.778385] CPU: 0 PID: 3129 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 4695 21:38:07.997539  <4>[   98.786400] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 4696 21:38:07.997889  <4>[   98.793197] Backtrace: 

 4697 21:38:08.040342  <4>[   98.795935] [<c13bdcdc>] (dump_backtrace) from [<c13be09c>] (show_stack+0x20/0x24)

 4698 21:38:08.040915  <4>[   98.803780]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8

 4699 21:38:08.041289  <4>[   98.809716] [<c13be07c>] (show_stack) from [<c13c5334>] (dump_stack+0xe0/0x100)

 4700 21:38:08.041636  <4>[   98.817307] [<c13c5254>] (dump_stack) from [<c03567c8>] (__warn+0x98/0x14c)

 4701 21:38:08.041965  <4>[   98.824543]  r9:00000009 r8:c0875a88 r7:00000013 r6:00000009 r5:c0875a88 r4:c1a29fb4

 4702 21:38:08.042290  <4>[   98.832562] [<c0356730>] (__warn) from [<c13bf1d8>] (warn_slowpath_fmt+0x8c/0xa8)

 4703 21:38:08.083425  <4>[   98.840316]  r7:00000013 r6:c1a29fb4 r5:c1a29f8c r4:c6a6c000

 4704 21:38:08.083995  <4>[   98.846252] [<c13bf150>] (warn_slowpath_fmt) from [<c0875a88>] (refcount_warn_saturate+0xa0/0x174)

 4705 21:38:08.084374  <4>[   98.855487]  r9:c1ad6018 r8:c15ebd54 r7:c6a6df60 r6:00000020 r5:c41b9000 r4:c0000000

 4706 21:38:08.084719  <4>[   98.863512] [<c08759e8>] (refcount_warn_saturate) from [<c13cbe74>] (__refcount_add_not_zero.constprop.0+0x64/0x78)

 4707 21:38:08.085107  <4>[   98.874227] [<c13cbe10>] (__refcount_add_not_zero.constprop.0) from [<c13cc6f8>] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x50/0x88)

 4708 21:38:08.127329  <4>[   98.886233]  r5:c41b9000 r4:c6a6c000

 4709 21:38:08.127896  <4>[   98.890090] [<c13cc6a8>] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED) from [<c0c584e8>] (lkdtm_do_action+0x2c/0x4c)

 4710 21:38:08.128273  <4>[   98.900359]  r4:00000039

 4711 21:38:08.128614  <4>[   98.903169] [<c0c584bc>] (lkdtm_do_action) from [<c0c589e8>] (direct_entry+0x120/0x18c)

 4712 21:38:08.128946  <4>[   98.911454] [<c0c588c8>] (direct_entry) from [<c07e211c>] (full_proxy_write+0x64/0x94)

 4713 21:38:08.129269  <4>[   98.919645]  r9:c6a6df60 r8:c517a780 r7:00000020 r6:b6dd3000 r5:c5f19e00 r4:c0c588c8

 4714 21:38:08.171289  <4>[   98.927669] [<c07e20b8>] (full_proxy_write) from [<c059bdac>] (vfs_write+0x10c/0x53c)

 4715 21:38:08.172016  <4>[   98.935774]  r9:c07e20b8 r8:c6a6df60 r7:c290d000 r6:b6dd3000 r5:c5f19e00 r4:00000000

 4716 21:38:08.172575  <4>[   98.943792] [<c059bca0>] (vfs_write) from [<c059c358>] (ksys_write+0x74/0xec)

 4717 21:38:08.172944  <4>[   98.951202]  r10:00000004 r9:00000000 r8:00000000 r7:b6dd3000 r6:c6a6c000 r5:c5f19e00

 4718 21:38:08.173286  <4>[   98.959299]  r4:c5f19e00

 4719 21:38:08.173610  <4>[   98.962106] [<c059c2e4>] (ksys_write) from [<c059c3e8>] (sys_write+0x18/0x1c)

 4720 21:38:08.215286  <4>[   98.969515]  r9:c6a6c000 r8:c03002e4 r7:00000004 r6:b6f1ae00 r5:00000020 r4:00000020

 4721 21:38:08.215861  <4>[   98.977535] [<c059c3d0>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 4722 21:38:08.216241  <4>[   98.985372] Exception stack(0xc6a6dfa8 to 0xc6a6dff0)

 4723 21:38:08.216590  <4>[   98.990699] dfa0:                   00000020 00000020 00000001 b6dd3000 00000020 00000000

 4724 21:38:08.216920  <4>[   98.999148] dfc0: 00000020 00000020 b6f1ae00 00000004 00000001 00000000 00020000 be883ac4

 4725 21:38:08.217245  <4>[   99.007594] dfe0: 00000004 be8837f8 b6e84d8f b6e0b7e6

 4726 21:38:08.217561  <4>[   99.012986] irq event stamp: 0

 4727 21:38:08.261258  <4>[   99.016325] hardirqs last  enabled at (0): [<00000000>] 0x0

 4728 21:38:08.261827  <4>[   99.022220] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 4729 21:38:08.262205  <4>[   99.030243] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 4730 21:38:08.262550  <4>[   99.038098] softirqs last disabled at (0): [<00000000>] 0x0

 4731 21:38:08.262937  <4>[   99.043990] ---[ end trace c25e2e226ccb7043 ]---

 4732 21:38:08.263116  <6>[   99.048887] lkdtm: Saturation detected: still saturated

 4733 21:38:08.464562  # [   98.715783] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED

 4734 21:38:08.465135  # [   98.723017] lkdtm: attempting bad refcount_add_not_zero() from saturated

 4735 21:38:08.465508  # [   98.730039] ------------[ cut here ]------------

 4736 21:38:08.465931  # [   98.734951] WARNING: CPU: 0 PID: 3129 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174

 4737 21:38:08.466278  # [   98.743714] refcount_t: saturated; leaking memory.

 4738 21:38:08.507752  # [   98.748780] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3

 4739 21:38:08.508340  # [   98.778385] CPU: 0 PID: 3129 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 4740 21:38:08.508717  # [   98.786400] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 4741 21:38:08.509061  # [   98.793197] Backtrace: 

 4742 21:38:08.509391  # [   98.795935] [<c13bdcdc>] (dump_backtrace) from [<c13be09c>] (show_stack+0x20/0x24)

 4743 21:38:08.551357  # [   98.803780]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8

 4744 21:38:08.551930  # [   98.809716] [<c13be07c>] (show_stack) from [<c13c5334>] (dump_stack+0xe0/0x100)

 4745 21:38:08.552305  # [   98.817307] [<c13c5254>] (dump_stack) from [<c03567c8>] (__warn+0x98/0x14c)

 4746 21:38:08.552646  # [   98.824543]  r9:00000009 r8:c0875a88 r7:00000013 r6:00000009 r5:c0875a88 r4:c1a29fb4

 4747 21:38:08.552974  # [   98.832562] [<c0356730>] (__warn) from [<c13bf1d8>] (warn_slowpath_fmt+0x8c/0xa8)

 4748 21:38:08.553298  # [   98.840316]  r7:00000013 r6:c1a29fb4 r5:c1a29f8c r4:c6a6c000

 4749 21:38:08.595310  # [   98.846252] [<c13bf150>] (warn_slowpath_fmt) from [<c0875a88>] (refcount_warn_saturate+0xa0/0x174)

 4750 21:38:08.595883  # [   98.855487]  r9:c1ad6018 r8:c15ebd54 r7:c6a6df60 r6:00000020 r5:c41b9000 r4:c0000000

 4751 21:38:08.596431  # [   98.863512] [<c08759e8>] (refcount_warn_saturate) from [<c13cbe74>] (__refcount_add_not_zero.constprop.0+0x64/0x78)

 4752 21:38:08.596842  # [   98.874227] [<c13cbe10>] (__refcount_add_not_zero.constprop.0) from [<c13cc6f8>] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x50/0x88)

 4753 21:38:08.597186  # [   98.886233]  r5:c41b9000 r4:c6a6c000

 4754 21:38:08.639267  # [   98.890090] [<c13cc6a8>] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED) from [<c0c584e8>] (lkdtm_do_action+0x2c/0x4c)

 4755 21:38:08.639836  # [   98.900359]  r4:00000039

 4756 21:38:08.640203  # [   98.903169] [<c0c584bc>] (lkdtm_do_action) from [<c0c589e8>] (direct_entry+0x120/0x18c)

 4757 21:38:08.640550  # [   98.911454] [<c0c588c8>] (direct_entry) from [<c07e211c>] (full_proxy_write+0x64/0x94)

 4758 21:38:08.640876  # [   98.919645]  r9:c6a6df60 r8:c517a780 r7:00000020 r6:b6dd3000 r5:c5f19e00 r4:c0c588c8

 4759 21:38:08.641196  # [   98.927669] [<c07e20b8>] (full_proxy_write) from [<c059bdac>] (vfs_write+0x10c/0x53c)

 4760 21:38:08.683291  # [   98.935774]  r9:c07e20b8 r8:c6a6df60 r7:c290d000 r6:b6dd3000 r5:c5f19e00 r4:00000000

 4761 21:38:08.683858  # [   98.943792] [<c059bca0>] (vfs_write) from [<c059c358>] (ksys_write+0x74/0xec)

 4762 21:38:08.684230  # [   98.951202]  r10:00000004 r9:00000000 r8:00000000 r7:b6dd3000 r6:c6a6c000 r5:c5f19e00

 4763 21:38:08.684576  # [   98.959299]  r4:c5f19e00

 4764 21:38:08.684905  # [   98.962106] [<c059c2e4>] (ksys_write) from [<c059c3e8>] (sys_write+0x18/0x1c)

 4765 21:38:08.685230  # [   98.969515]  r9:c6a6c000 r8:c03002e4 r7:00000004 r6:b6f1ae00 r5:00000020 r4:00000020

 4766 21:38:08.727341  # [   98.977535] [<c059c3d0>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 4767 21:38:08.727908  # [   98.985372] Exception stack(0xc6a6dfa8 to 0xc6a6dff0)

 4768 21:38:08.728278  # [   98.990699] dfa0:                   00000020 00000020 00000001 b6dd3000 00000020 00000000

 4769 21:38:08.728622  # [   98.999148] dfc0: 00000020 00000020 b6f1ae00 00000004 00000001 00000000 00020000 be883ac4

 4770 21:38:08.728950  # [   99.007594] dfe0: 00000004 be8837f8 b6e84d8f b6e0b7e6

 4771 21:38:08.729270  # [   99.012986] irq event stamp: 0

 4772 21:38:08.729586  # [   99.016325] hardirqs last  enabled at (0): [<00000000>] 0x0

 4773 21:38:08.776353  # [   99.022220] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 4774 21:38:08.776950  # [   99.030243] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 4775 21:38:08.777325  # [   99.038098] softirqs last disabled at (0): [<00000000>] 0x0

 4776 21:38:08.777667  # [   99.043990] ---[ end trace c25e2e226ccb7043 ]---

 4777 21:38:08.777996  # [   99.048887] lkdtm: Saturation detected: still saturated

 4778 21:38:08.778319  # REFCOUNT_ADD_NOT_ZERO_SATURATED: missing 'call trace:': [FAIL]

 4779 21:38:08.778630  not ok 56 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh # exit=1

 4780 21:38:08.778992  # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh

 4781 21:38:08.939855  <6>[   99.702106] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED

 4782 21:38:08.940426  <6>[   99.709268] lkdtm: attempting bad refcount_dec_and_test() from saturated

 4783 21:38:08.940793  <4>[   99.716315] ------------[ cut here ]------------

 4784 21:38:08.941137  <4>[   99.721293] WARNING: CPU: 0 PID: 3167 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174

 4785 21:38:08.941466  <4>[   99.730144] refcount_t: underflow; use-after-free.

 4786 21:38:08.987326  <4>[   99.735209] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3

 4787 21:38:08.987915  <4>[   99.764809] CPU: 0 PID: 3167 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 4788 21:38:08.988297  <4>[   99.772824] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 4789 21:38:08.988640  <4>[   99.779620] Backtrace: 

 4790 21:38:09.031288  <4>[   99.782358] [<c13bdcdc>] (dump_backtrace) from [<c13be09c>] (show_stack+0x20/0x24)

 4791 21:38:09.031846  <4>[   99.790204]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8

 4792 21:38:09.032220  <4>[   99.796144] [<c13be07c>] (show_stack) from [<c13c5334>] (dump_stack+0xe0/0x100)

 4793 21:38:09.032568  <4>[   99.803734] [<c13c5254>] (dump_stack) from [<c03567c8>] (__warn+0x98/0x14c)

 4794 21:38:09.032897  <4>[   99.810970]  r9:00000009 r8:c0875b24 r7:0000001c r6:00000009 r5:c0875b24 r4:c1a29fb4

 4795 21:38:09.033224  <4>[   99.818989] [<c0356730>] (__warn) from [<c13bf1d8>] (warn_slowpath_fmt+0x8c/0xa8)

 4796 21:38:09.075384  <4>[   99.826743]  r7:0000001c r6:c1a29fb4 r5:c1a29ff0 r4:c6a6c000

 4797 21:38:09.075947  <4>[   99.832678] [<c13bf150>] (warn_slowpath_fmt) from [<c0875b24>] (refcount_warn_saturate+0x13c/0x174)

 4798 21:38:09.076327  <4>[   99.842000]  r9:c1ad6038 r8:c15ebd54 r7:c6a6df60 r6:00000020 r5:c2c93000 r4:c6a6c000

 4799 21:38:09.076674  <4>[   99.850026] [<c08759e8>] (refcount_warn_saturate) from [<c0c595e4>] (__refcount_sub_and_test.constprop.0+0x64/0x6c)

 4800 21:38:09.077009  <4>[   99.860744] [<c0c59580>] (__refcount_sub_and_test.constprop.0) from [<c13cc780>] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x50/0x88)

 4801 21:38:09.119419  <4>[   99.872759] [<c13cc730>] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED) from [<c0c584e8>] (lkdtm_do_action+0x2c/0x4c)

 4802 21:38:09.119983  <4>[   99.883028]  r4:0000003a

 4803 21:38:09.120358  <4>[   99.885836] [<c0c584bc>] (lkdtm_do_action) from [<c0c589e8>] (direct_entry+0x120/0x18c)

 4804 21:38:09.120707  <4>[   99.894122] [<c0c588c8>] (direct_entry) from [<c07e211c>] (full_proxy_write+0x64/0x94)

 4805 21:38:09.121035  <4>[   99.902314]  r9:c6a6df60 r8:c517a780 r7:00000020 r6:b6e3b000 r5:c4128000 r4:c0c588c8

 4806 21:38:09.121360  <4>[   99.910340] [<c07e20b8>] (full_proxy_write) from [<c059bdac>] (vfs_write+0x10c/0x53c)

 4807 21:38:09.163291  <4>[   99.918444]  r9:c07e20b8 r8:c6a6df60 r7:c290d000 r6:b6e3b000 r5:c4128000 r4:00000000

 4808 21:38:09.163852  <4>[   99.926460] [<c059bca0>] (vfs_write) from [<c059c358>] (ksys_write+0x74/0xec)

 4809 21:38:09.164226  <4>[   99.933869]  r10:00000004 r9:00000000 r8:00000000 r7:b6e3b000 r6:c6a6c000 r5:c4128000

 4810 21:38:09.164570  <4>[   99.941966]  r4:c4128000

 4811 21:38:09.164901  <4>[   99.944775] [<c059c2e4>] (ksys_write) from [<c059c3e8>] (sys_write+0x18/0x1c)

 4812 21:38:09.165225  <4>[   99.952184]  r9:c6a6c000 r8:c03002e4 r7:00000004 r6:b6f82e00 r5:00000020 r4:00000020

 4813 21:38:09.207270  <4>[   99.960204] [<c059c3d0>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 4814 21:38:09.207830  <4>[   99.968044] Exception stack(0xc6a6dfa8 to 0xc6a6dff0)

 4815 21:38:09.208204  <4>[   99.973371] dfa0:                   00000020 00000020 00000001 b6e3b000 00000020 00000000

 4816 21:38:09.208550  <4>[   99.981821] dfc0: 00000020 00000020 b6f82e00 00000004 00000001 00000000 00020000 beb65ac4

 4817 21:38:09.208880  <4>[   99.990267] dfe0: 00000004 beb657f8 b6eecd8f b6e737e6

 4818 21:38:09.209201  <4>[   99.995657] irq event stamp: 0

 4819 21:38:09.209516  <4>[   99.999005] hardirqs last  enabled at (0): [<00000000>] 0x0

 4820 21:38:09.251316  <4>[  100.004898] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 4821 21:38:09.251877  <4>[  100.012991] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 4822 21:38:09.252247  <4>[  100.022120] softirqs last disabled at (0): [<00000000>] 0x0

 4823 21:38:09.252591  <4>[  100.027977] ---[ end trace c25e2e226ccb7044 ]---

 4824 21:38:09.252920  <6>[  100.032911] lkdtm: Saturation detected: still saturated

 4825 21:38:09.440771  # [   99.702106] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED

 4826 21:38:09.441332  # [   99.709268] lkdtm: attempting bad refcount_dec_and_test() from saturated

 4827 21:38:09.441708  # [   99.716315] ------------[ cut here ]------------

 4828 21:38:09.442053  # [   99.721293] WARNING: CPU: 0 PID: 3167 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174

 4829 21:38:09.442389  # [   99.730144] refcount_t: underflow; use-after-free.

 4830 21:38:09.483776  # [   99.735209] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3

 4831 21:38:09.484353  # [   99.764809] CPU: 0 PID: 3167 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 4832 21:38:09.484733  # [   99.772824] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 4833 21:38:09.485081  # [   99.779620] Backtrace: 

 4834 21:38:09.527332  # [   99.782358] [<c13bdcdc>] (dump_backtrace) from [<c13be09c>] (show_stack+0x20/0x24)

 4835 21:38:09.527892  # [   99.790204]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8

 4836 21:38:09.528264  # [   99.796144] [<c13be07c>] (show_stack) from [<c13c5334>] (dump_stack+0xe0/0x100)

 4837 21:38:09.528610  # [   99.803734] [<c13c5254>] (dump_stack) from [<c03567c8>] (__warn+0x98/0x14c)

 4838 21:38:09.528941  # [   99.810970]  r9:00000009 r8:c0875b24 r7:0000001c r6:00000009 r5:c0875b24 r4:c1a29fb4

 4839 21:38:09.529263  # [   99.818989] [<c0356730>] (__warn) from [<c13bf1d8>] (warn_slowpath_fmt+0x8c/0xa8)

 4840 21:38:09.529577  # [   99.826743]  r7:0000001c r6:c1a29fb4 r5:c1a29ff0 r4:c6a6c000

 4841 21:38:09.575175  # [   99.832678] [<c13bf150>] (warn_slowpath_fmt) from [<c0875b24>] (refcount_warn_saturate+0x13c/0x174)

 4842 21:38:09.575685  # [   99.842000]  r9:c1ad6038 r8:c15ebd54 r7:c6a6df60 r6:00000020 r5:c2c93000 r4:c6a6c000

 4843 21:38:09.576054  # [   99.850026] [<c08759e8>] (refcount_warn_saturate) from [<c0c595e4>] (__refcount_sub_and_test.constprop.0+0x64/0x6c)

 4844 21:38:09.576405  # [   99.860744] [<c0c59580>] (__refcount_sub_and_test.constprop.0) from [<c13cc780>] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x50/0x88)

 4845 21:38:09.619276  # [   99.872759] [<c13cc730>] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED) from [<c0c584e8>] (lkdtm_do_action+0x2c/0x4c)

 4846 21:38:09.619795  # [   99.883028]  r4:0000003a

 4847 21:38:09.620129  # [   99.885836] [<c0c584bc>] (lkdtm_do_action) from [<c0c589e8>] (direct_entry+0x120/0x18c)

 4848 21:38:09.620447  # [   99.894122] [<c0c588c8>] (direct_entry) from [<c07e211c>] (full_proxy_write+0x64/0x94)

 4849 21:38:09.620752  # [   99.902314]  r9:c6a6df60 r8:c517a780 r7:00000020 r6:b6e3b000 r5:c4128000 r4:c0c588c8

 4850 21:38:09.621050  # [   99.910340] [<c07e20b8>] (full_proxy_write) from [<c059bdac>] (vfs_write+0x10c/0x53c)

 4851 21:38:09.667311  # [   99.918444]  r9:c07e20b8 r8:c6a6df60 r7:c290d000 r6:b6e3b000 r5:c4128000 r4:00000000

 4852 21:38:09.667825  # [   99.926460] [<c059bca0>] (vfs_write) from [<c059c358>] (ksys_write+0x74/0xec)

 4853 21:38:09.668196  # [   99.933869]  r10:00000004 r9:00000000 r8:00000000 r7:b6e3b000 r6:c6a6c000 r5:c4128000

 4854 21:38:09.668539  # [   99.941966]  r4:c4128000

 4855 21:38:09.668882  # [   99.944775] [<c059c2e4>] (ksys_write) from [<c059c3e8>] (sys_write+0x18/0x1c)

 4856 21:38:09.669229  # [   99.952184]  r9:c6a6c000 r8:c03002e4 r7:00000004 r6:b6f82e00 r5:00000020 r4:00000020

 4857 21:38:09.711291  # [   99.960204] [<c059c3d0>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 4858 21:38:09.711866  # [   99.968044] Exception stack(0xc6a6dfa8 to 0xc6a6dff0)

 4859 21:38:09.712275  # [   99.973371] dfa0:                   00000020 00000020 00000001 b6e3b000 00000020 00000000

 4860 21:38:09.712752  # [   99.981821] dfc0: 00000020 00000020 b6f82e00 00000004 00000001 00000000 00020000 beb65ac4

 4861 21:38:09.713212  # [   99.990267] dfe0: 00000004 beb657f8 b6eecd8f b6e737e6

 4862 21:38:09.713659  # [   99.995657] irq event stamp: 0

 4863 21:38:09.714093  # [   99.999005] hardirqs last  enabled at (0): [<00000000>] 0x0

 4864 21:38:09.755417  # [  100.004898] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 4865 21:38:09.755999  # [  100.012991] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 4866 21:38:09.756505  # [  100.022120] softirqs last disabled at (0): [<00000000>] 0x0

 4867 21:38:09.756972  # [  100.027977] ---[ end trace c25e2e226ccb7044 ]---

 4868 21:38:09.757426  # [  100.032911] lkdtm: Saturation detected: still saturated

 4869 21:38:09.757870  # REFCOUNT_DEC_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok

 4870 21:38:09.758308  ok 57 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh

 4871 21:38:09.799420  # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh

 4872 21:38:09.913696  <6>[  100.671853] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED

 4873 21:38:09.914275  <6>[  100.679014] lkdtm: attempting bad refcount_sub_and_test() from saturated

 4874 21:38:09.914804  <4>[  100.686053] ------------[ cut here ]------------

 4875 21:38:09.915277  <4>[  100.691030] WARNING: CPU: 3 PID: 3203 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174

 4876 21:38:09.915737  <4>[  100.699870] refcount_t: underflow; use-after-free.

 4877 21:38:09.956929  <4>[  100.704937] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3

 4878 21:38:09.957526  <4>[  100.734442] CPU: 3 PID: 3203 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 4879 21:38:09.958027  <4>[  100.742457] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 4880 21:38:09.958495  <4>[  100.749255] Backtrace: 

 4881 21:38:09.959052  <4>[  100.751994] [<c13bdcdc>] (dump_backtrace) from [<c13be09c>] (show_stack+0x20/0x24)

 4882 21:38:09.999883  <4>[  100.759839]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8

 4883 21:38:10.000591  <4>[  100.765778] [<c13be07c>] (show_stack) from [<c13c5334>] (dump_stack+0xe0/0x100)

 4884 21:38:10.001019  <4>[  100.773368] [<c13c5254>] (dump_stack) from [<c03567c8>] (__warn+0x98/0x14c)

 4885 21:38:10.001376  <4>[  100.780606]  r9:00000009 r8:c0875b24 r7:0000001c r6:00000009 r5:c0875b24 r4:c1a29fb4

 4886 21:38:10.001713  <4>[  100.788626] [<c0356730>] (__warn) from [<c13bf1d8>] (warn_slowpath_fmt+0x8c/0xa8)

 4887 21:38:10.002041  <4>[  100.796381]  r7:0000001c r6:c1a29fb4 r5:c1a29ff0 r4:c5f84000

 4888 21:38:10.043526  <4>[  100.802317] [<c13bf150>] (warn_slowpath_fmt) from [<c0875b24>] (refcount_warn_saturate+0x13c/0x174)

 4889 21:38:10.044090  <4>[  100.811636]  r9:c1ad6058 r8:c15ebd54 r7:c5f85f60 r6:00000020 r5:c5e07000 r4:c5f84000

 4890 21:38:10.044462  <4>[  100.819661] [<c08759e8>] (refcount_warn_saturate) from [<c0c595e4>] (__refcount_sub_and_test.constprop.0+0x64/0x6c)

 4891 21:38:10.044815  <4>[  100.830381] [<c0c59580>] (__refcount_sub_and_test.constprop.0) from [<c13cc808>] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x50/0x88)

 4892 21:38:10.087324  <4>[  100.842397] [<c13cc7b8>] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED) from [<c0c584e8>] (lkdtm_do_action+0x2c/0x4c)

 4893 21:38:10.087890  <4>[  100.852665]  r4:0000003b

 4894 21:38:10.088263  <4>[  100.855475] [<c0c584bc>] (lkdtm_do_action) from [<c0c589e8>] (direct_entry+0x120/0x18c)

 4895 21:38:10.088609  <4>[  100.863760] [<c0c588c8>] (direct_entry) from [<c07e211c>] (full_proxy_write+0x64/0x94)

 4896 21:38:10.088938  <4>[  100.871951]  r9:c5f85f60 r8:c517a780 r7:00000020 r6:b6e20000 r5:c68eb540 r4:c0c588c8

 4897 21:38:10.089261  <4>[  100.879976] [<c07e20b8>] (full_proxy_write) from [<c059bdac>] (vfs_write+0x10c/0x53c)

 4898 21:38:10.131463  <4>[  100.888080]  r9:c07e20b8 r8:c5f85f60 r7:c290d000 r6:b6e20000 r5:c68eb540 r4:00000000

 4899 21:38:10.132031  <4>[  100.896097] [<c059bca0>] (vfs_write) from [<c059c358>] (ksys_write+0x74/0xec)

 4900 21:38:10.132490  <4>[  100.903507]  r10:00000004 r9:00000000 r8:00000000 r7:b6e20000 r6:c5f84000 r5:c68eb540

 4901 21:38:10.132847  <4>[  100.911604]  r4:c68eb540

 4902 21:38:10.133183  <4>[  100.914416] [<c059c2e4>] (ksys_write) from [<c059c3e8>] (sys_write+0x18/0x1c)

 4903 21:38:10.133515  <4>[  100.921825]  r9:c5f84000 r8:c03002e4 r7:00000004 r6:b6f67e00 r5:00000020 r4:00000020

 4904 21:38:10.175415  <4>[  100.929843] [<c059c3d0>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 4905 21:38:10.175986  <4>[  100.937682] Exception stack(0xc5f85fa8 to 0xc5f85ff0)

 4906 21:38:10.176367  <4>[  100.943006] 5fa0:                   00000020 00000020 00000001 b6e20000 00000020 00000000

 4907 21:38:10.176714  <4>[  100.951457] 5fc0: 00000020 00000020 b6f67e00 00000004 00000001 00000000 00020000 be90aac4

 4908 21:38:10.177041  <4>[  100.959906] 5fe0: 00000004 be90a7f8 b6ed1d8f b6e587e6

 4909 21:38:10.177363  <4>[  100.965329] irq event stamp: 0

 4910 21:38:10.177676  <4>[  100.968675] hardirqs last  enabled at (0): [<00000000>] 0x0

 4911 21:38:10.219236  <4>[  100.974576] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 4912 21:38:10.219975  <4>[  100.982382] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 4913 21:38:10.220373  <4>[  100.990185] softirqs last disabled at (0): [<00000000>] 0x0

 4914 21:38:10.220725  <4>[  100.996033] ---[ end trace c25e2e226ccb7045 ]---

 4915 21:38:10.221065  <6>[  101.000962] lkdtm: Saturation detected: still saturated

 4916 21:38:10.373587  # [  100.671853] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED

 4917 21:38:10.374152  # [  100.679014] lkdtm: attempting bad refcount_sub_and_test() from saturated

 4918 21:38:10.374524  # [  100.686053] ------------[ cut here ]------------

 4919 21:38:10.374910  # [  100.691030] WARNING: CPU: 3 PID: 3203 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174

 4920 21:38:10.375250  # [  100.699870] refcount_t: underflow; use-after-free.

 4921 21:38:10.416158  # [  100.704937] Modules linked in: fuse ip_tables x_tables caam_jr caamhash_desc caamalg_desc crypto_engine authenc libdes snd_soc_sgtl5000 snd_soc_core phy_generic dw_hdmi_imx dw_hdmi imx_ldb ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore caam parallel_display error flexcan can_dev imxdrm etnaviv gpu_sched imx_ipu_v3

 4922 21:38:10.416743  # [  100.734442] CPU: 3 PID: 3203 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 4923 21:38:10.417121  # [  100.742457] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 4924 21:38:10.417467  # [  100.749255] Backtrace: 

 4925 21:38:10.463264  # [  100.751994] [<c13bdcdc>] (dump_backtrace) from [<c13be09c>] (show_stack+0x20/0x24)

 4926 21:38:10.463821  # [  100.759839]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8

 4927 21:38:10.464193  # [  100.765778] [<c13be07c>] (show_stack) from [<c13c5334>] (dump_stack+0xe0/0x100)

 4928 21:38:10.464539  # [  100.773368] [<c13c5254>] (dump_stack) from [<c03567c8>] (__warn+0x98/0x14c)

 4929 21:38:10.464871  # [  100.780606]  r9:00000009 r8:c0875b24 r7:0000001c r6:00000009 r5:c0875b24 r4:c1a29fb4

 4930 21:38:10.465198  # [  100.788626] [<c0356730>] (__warn) from [<c13bf1d8>] (warn_slowpath_fmt+0x8c/0xa8)

 4931 21:38:10.465521  # [  100.796381]  r7:0000001c r6:c1a29fb4 r5:c1a29ff0 r4:c5f84000

 4932 21:38:10.507211  # [  100.802317] [<c13bf150>] (warn_slowpath_fmt) from [<c0875b24>] (refcount_warn_saturate+0x13c/0x174)

 4933 21:38:10.507796  # [  100.811636]  r9:c1ad6058 r8:c15ebd54 r7:c5f85f60 r6:00000020 r5:c5e07000 r4:c5f84000

 4934 21:38:10.508187  # [  100.819661] [<c08759e8>] (refcount_warn_saturate) from [<c0c595e4>] (__refcount_sub_and_test.constprop.0+0x64/0x6c)

 4935 21:38:10.508541  # [  100.830381] [<c0c59580>] (__refcount_sub_and_test.constprop.0) from [<c13cc808>] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x50/0x88)

 4936 21:38:10.551302  # [  100.842397] [<c13cc7b8>] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED) from [<c0c584e8>] (lkdtm_do_action+0x2c/0x4c)

 4937 21:38:10.551857  # [  100.852665]  r4:0000003b

 4938 21:38:10.552226  # [  100.855475] [<c0c584bc>] (lkdtm_do_action) from [<c0c589e8>] (direct_entry+0x120/0x18c)

 4939 21:38:10.552571  # [  100.863760] [<c0c588c8>] (direct_entry) from [<c07e211c>] (full_proxy_write+0x64/0x94)

 4940 21:38:10.552898  # [  100.871951]  r9:c5f85f60 r8:c517a780 r7:00000020 r6:b6e20000 r5:c68eb540 r4:c0c588c8

 4941 21:38:10.553221  # [  100.879976] [<c07e20b8>] (full_proxy_write) from [<c059bdac>] (vfs_write+0x10c/0x53c)

 4942 21:38:10.595276  # [  100.888080]  r9:c07e20b8 r8:c5f85f60 r7:c290d000 r6:b6e20000 r5:c68eb540 r4:00000000

 4943 21:38:10.595835  # [  100.896097] [<c059bca0>] (vfs_write) from [<c059c358>] (ksys_write+0x74/0xec)

 4944 21:38:10.596233  # [  100.903507]  r10:00000004 r9:00000000 r8:00000000 r7:b6e20000 r6:c5f84000 r5:c68eb540

 4945 21:38:10.596707  # [  100.911604]  r4:c68eb540

 4946 21:38:10.597163  # [  100.914416] [<c059c2e4>] (ksys_write) from [<c059c3e8>] (sys_write+0x18/0x1c)

 4947 21:38:10.597612  # [  100.921825]  r9:c5f84000 r8:c03002e4 r7:00000004 r6:b6f67e00 r5:00000020 r4:00000020

 4948 21:38:10.639232  # [  100.929843] [<c059c3d0>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 4949 21:38:10.639815  # [  100.937682] Exception stack(0xc5f85fa8 to 0xc5f85ff0)

 4950 21:38:10.640189  # [  100.943006] 5fa0:                   00000020 00000020 00000001 b6e20000 00000020 00000000

 4951 21:38:10.640534  # [  100.951457] 5fc0: 00000020 00000020 b6f67e00 00000004 00000001 00000000 00020000 be90aac4

 4952 21:38:10.640860  # [  100.959906] 5fe0: 00000004 be90a7f8 b6ed1d8f b6e587e6

 4953 21:38:10.641181  # [  100.965329] irq event stamp: 0

 4954 21:38:10.641496  # [  100.968675] hardirqs last  enabled at (0): [<00000000>] 0x0

 4955 21:38:10.683172  # [  100.974576] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 4956 21:38:10.683592  # [  100.982382] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac

 4957 21:38:10.683925  # [  100.990185] softirqs last disabled at (0): [<00000000>] 0x0

 4958 21:38:10.684239  # [  100.996033] ---[ end trace c25e2e226ccb7045 ]---

 4959 21:38:10.684537  # [  101.000962] lkdtm: Saturation detected: still saturated

 4960 21:38:10.684829  # REFCOUNT_SUB_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok

 4961 21:38:10.685117  ok 58 selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh

 4962 21:38:10.685475  # selftests: lkdtm: REFCOUNT_TIMING.sh

 4963 21:38:10.727339  # Skipping REFCOUNT_TIMING: timing only

 4964 21:38:10.727858  ok 59 selftests: lkdtm: REFCOUNT_TIMING.sh # SKIP

 4965 21:38:10.728199  # selftests: lkdtm: ATOMIC_TIMING.sh

 4966 21:38:10.892233  # Skipping ATOMIC_TIMING: timing only

 4967 21:38:10.892837  ok 60 selftests: lkdtm: ATOMIC_TIMING.sh # SKIP

 4968 21:38:10.908217  # selftests: lkdtm: USERCOPY_HEAP_SIZE_TO.sh

 4969 21:38:11.249056  <6>[  102.023340] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO

 4970 21:38:11.249635  <6>[  102.029800] lkdtm: attempting good copy_to_user of correct size

 4971 21:38:11.250009  <6>[  102.036098] lkdtm: attempting bad copy_to_user of too large size

 4972 21:38:11.408816  # [  102.023340] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO

 4973 21:38:11.409386  # [  102.029800] lkdtm: attempting good copy_to_user of correct size

 4974 21:38:11.409759  # [  102.036098] lkdtm: attempting bad copy_to_user of too large size

 4975 21:38:11.424736  # USERCOPY_HEAP_SIZE_TO: missing 'call trace:': [FAIL]

 4976 21:38:11.456925  not ok 61 selftests: lkdtm: USERCOPY_HEAP_SIZE_TO.sh # exit=1

 4977 21:38:11.488849  # selftests: lkdtm: USERCOPY_HEAP_SIZE_FROM.sh

 4978 21:38:11.814510  <6>[  102.589076] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM

 4979 21:38:11.815141  <6>[  102.595633] lkdtm: attempting good copy_from_user of correct size

 4980 21:38:11.815540  <6>[  102.602076] lkdtm: attempting bad copy_from_user of too large size

 4981 21:38:11.969654  # [  102.589076] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM

 4982 21:38:11.970222  # [  102.595633] lkdtm: attempting good copy_from_user of correct size

 4983 21:38:11.970590  # [  102.602076] lkdtm: attempting bad copy_from_user of too large size

 4984 21:38:11.985486  # USERCOPY_HEAP_SIZE_FROM: missing 'call trace:': [FAIL]

 4985 21:38:12.029888  not ok 62 selftests: lkdtm: USERCOPY_HEAP_SIZE_FROM.sh # exit=1

 4986 21:38:12.045330  # selftests: lkdtm: USERCOPY_HEAP_WHITELIST_TO.sh

 4987 21:38:12.407396  <6>[  103.183998] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO

 4988 21:38:12.408019  <6>[  103.190836] lkdtm: attempting good copy_to_user inside whitelist

 4989 21:38:12.408396  <6>[  103.197156] lkdtm: attempting bad copy_to_user outside whitelist

 4990 21:38:12.558237  # [  103.183998] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO

 4991 21:38:12.558833  # [  103.190836] lkdtm: attempting good copy_to_user inside whitelist

 4992 21:38:12.559216  # [  103.197156] lkdtm: attempting bad copy_to_user outside whitelist

 4993 21:38:12.573987  # USERCOPY_HEAP_WHITELIST_TO: missing 'call trace:': [FAIL]

 4994 21:38:12.611952  not ok 63 selftests: lkdtm: USERCOPY_HEAP_WHITELIST_TO.sh # exit=1

 4995 21:38:12.627959  # selftests: lkdtm: USERCOPY_HEAP_WHITELIST_FROM.sh

 4996 21:38:12.969699  <6>[  103.744093] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM

 4997 21:38:12.970263  <6>[  103.751117] lkdtm: attempting good copy_from_user inside whitelist

 4998 21:38:12.970633  <6>[  103.757626] lkdtm: attempting bad copy_from_user outside whitelist

 4999 21:38:13.118654  # [  103.744093] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM

 5000 21:38:13.119266  # [  103.751117] lkdtm: attempting good copy_from_user inside whitelist

 5001 21:38:13.119638  # [  103.757626] lkdtm: attempting bad copy_from_user outside whitelist

 5002 21:38:13.151016  # USERCOPY_HEAP_WHITELIST_FROM: missing 'call trace:': [FAIL]

 5003 21:38:13.181800  not ok 64 selftests: lkdtm: USERCOPY_HEAP_WHITELIST_FROM.sh # exit=1

 5004 21:38:13.197815  # selftests: lkdtm: USERCOPY_STACK_FRAME_TO.sh

 5005 21:38:13.554272  <6>[  104.319980] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO

 5006 21:38:13.554670  <6>[  104.326482] lkdtm: good_stack: c6a9be0c-c6a9be2c

 5007 21:38:13.554936  <6>[  104.331476] lkdtm: bad_stack : c6a9bd84-c6a9bda4

 5008 21:38:13.555161  <6>[  104.336387] lkdtm: attempting good copy_to_user of local stack

 5009 21:38:13.555373  <6>[  104.342593] lkdtm: attempting bad copy_to_user of distant stack

 5010 21:38:13.735539  # [  104.319980] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO

 5011 21:38:13.736113  # [  104.326482] lkdtm: good_stack: c6a9be0c-c6a9be2c

 5012 21:38:13.736481  # [  104.331476] lkdtm: bad_stack : c6a9bd84-c6a9bda4

 5013 21:38:13.736822  # [  104.336387] lkdtm: attempting good copy_to_user of local stack

 5014 21:38:13.737155  # [  104.342593] lkdtm: attempting bad copy_to_user of distant stack

 5015 21:38:13.737473  # USERCOPY_STACK_FRAME_TO: missing 'call trace:': [FAIL]

 5016 21:38:13.766641  not ok 65 selftests: lkdtm: USERCOPY_STACK_FRAME_TO.sh # exit=1

 5017 21:38:13.798208  # selftests: lkdtm: USERCOPY_STACK_FRAME_FROM.sh

 5018 21:38:14.154706  <6>[  104.919781] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM

 5019 21:38:14.154876  <6>[  104.926461] lkdtm: good_stack: c683de0c-c683de2c

 5020 21:38:14.154946  <6>[  104.931468] lkdtm: bad_stack : c683dd84-c683dda4

 5021 21:38:14.155010  <6>[  104.936412] lkdtm: attempting good copy_from_user of local stack

 5022 21:38:14.155072  <6>[  104.942788] lkdtm: attempting bad copy_from_user of distant stack

 5023 21:38:14.322151  # [  104.919781] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM

 5024 21:38:14.322718  # [  104.926461] lkdtm: good_stack: c683de0c-c683de2c

 5025 21:38:14.323199  # [  104.931468] lkdtm: bad_stack : c683dd84-c683dda4

 5026 21:38:14.323551  # [  104.936412] lkdtm: attempting good copy_from_user of local stack

 5027 21:38:14.323884  # [  104.942788] lkdtm: attempting bad copy_from_user of distant stack

 5028 21:38:14.324206  # USERCOPY_STACK_FRAME_FROM: missing 'call trace:': [FAIL]

 5029 21:38:14.354290  not ok 66 selftests: lkdtm: USERCOPY_STACK_FRAME_FROM.sh # exit=1

 5030 21:38:14.386134  # selftests: lkdtm: USERCOPY_STACK_BEYOND.sh

 5031 21:38:14.741932  <6>[  105.504915] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND

 5032 21:38:14.742501  <6>[  105.511314] lkdtm: good_stack: c45dfe0c-c45dfe2c

 5033 21:38:14.742902  <6>[  105.516207] lkdtm: bad_stack : c45dfffc-c45e001c

 5034 21:38:14.743251  <6>[  105.521162] lkdtm: attempting good copy_to_user of local stack

 5035 21:38:14.743584  <6>[  105.527312] lkdtm: attempting bad copy_to_user of distant stack

 5036 21:38:14.898724  # [  105.504915] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND

 5037 21:38:14.899337  # [  105.511314] lkdtm: good_stack: c45dfe0c-c45dfe2c

 5038 21:38:14.899709  # [  105.516207] lkdtm: bad_stack : c45dfffc-c45e001c

 5039 21:38:14.900048  # [  105.521162] lkdtm: attempting good copy_to_user of local stack

 5040 21:38:14.900375  # [  105.527312] lkdtm: attempting bad copy_to_user of distant stack

 5041 21:38:14.914839  # USERCOPY_STACK_BEYOND: missing 'call trace:': [FAIL]

 5042 21:38:14.952442  not ok 67 selftests: lkdtm: USERCOPY_STACK_BEYOND.sh # exit=1

 5043 21:38:14.984682  # selftests: lkdtm: USERCOPY_KERNEL.sh

 5044 21:38:15.333296  <6>[  106.102512] lkdtm: Performing direct entry USERCOPY_KERNEL

 5045 21:38:15.333857  <6>[  106.108334] lkdtm: attempting good copy_to_user from kernel rodata: c15ec000

 5046 21:38:15.334237  <6>[  106.115858] lkdtm: attempting bad copy_to_user from kernel text: c053dda4

 5047 21:38:15.334591  <3>[  106.122996] lkdtm: FAIL: survived bad copy_to_user()

 5048 21:38:15.497322  # [  106.102512] lkdtm: Performing direct entry USERCOPY_KERNEL

 5049 21:38:15.497888  # [  106.108334] lkdtm: attempting good copy_to_user from kernel rodata: c15ec000

 5050 21:38:15.498262  # [  106.115858] lkdtm: attempting bad copy_to_user from kernel text: c053dda4

 5051 21:38:15.498610  # [  106.122996] lkdtm: FAIL: survived bad copy_to_user()

 5052 21:38:15.499004  # USERCOPY_KERNEL: missing 'call trace:': [FAIL]

 5053 21:38:15.513268  not ok 68 selftests: lkdtm: USERCOPY_KERNEL.sh # exit=1

 5054 21:38:15.545182  # selftests: lkdtm: STACKLEAK_ERASING.sh

 5055 21:38:15.941096  <6>[  106.699423] lkdtm: Performing direct entry STACKLEAK_ERASING

 5056 21:38:15.941651  <6>[  106.705498] lkdtm: checking unused part of the thread stack (7732 bytes)...

 5057 21:38:15.942024  <3>[  106.712980] lkdtm: FAIL: the erased part is not found (checked 7732 bytes)

 5058 21:38:15.942372  <3>[  106.720248] lkdtm: FAIL: the thread stack is NOT properly erased

 5059 21:38:15.942707  <4>[  106.726570] CPU: 2 PID: 3579 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 5060 21:38:15.943098  <4>[  106.734584] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 5061 21:38:15.943426  <4>[  106.741379] Backtrace: 

 5062 21:38:15.984374  <4>[  106.744119] [<c13bdcdc>] (dump_backtrace) from [<c13be09c>] (show_stack+0x20/0x24)

 5063 21:38:15.984938  <4>[  106.751963]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8

 5064 21:38:15.985316  <4>[  106.757901] [<c13be07c>] (show_stack) from [<c13c5334>] (dump_stack+0xe0/0x100)

 5065 21:38:15.985665  <4>[  106.765494] [<c13c5254>] (dump_stack) from [<c13ccaf0>] (lkdtm_STACKLEAK_ERASING+0x148/0x174)

 5066 21:38:15.985997  <4>[  106.774295]  r9:c1ad6160 r8:c15ebd54 r7:c693df60 r6:c693de34 r5:c693c000 r4:0000078d

 5067 21:38:16.027562  <4>[  106.782320] [<c13cc9a8>] (lkdtm_STACKLEAK_ERASING) from [<c0c584e8>] (lkdtm_do_action+0x2c/0x4c)

 5068 21:38:16.028129  <4>[  106.791379]  r8:c15ebd54 r7:c693df60 r6:00000012 r5:c6cfa000 r4:00000046

 5069 21:38:16.028504  <4>[  106.798357] [<c0c584bc>] (lkdtm_do_action) from [<c0c589e8>] (direct_entry+0x120/0x18c)

 5070 21:38:16.028855  <4>[  106.806643] [<c0c588c8>] (direct_entry) from [<c07e211c>] (full_proxy_write+0x64/0x94)

 5071 21:38:16.029188  <4>[  106.814835]  r9:c693df60 r8:c517a780 r7:00000012 r6:b6e67000 r5:c4392f00 r4:c0c588c8

 5072 21:38:16.029517  <4>[  106.822860] [<c07e20b8>] (full_proxy_write) from [<c059bdac>] (vfs_write+0x10c/0x53c)

 5073 21:38:16.071181  <4>[  106.830965]  r9:c07e20b8 r8:c693df60 r7:c290d000 r6:b6e67000 r5:c4392f00 r4:00000000

 5074 21:38:16.071758  <4>[  106.838984] [<c059bca0>] (vfs_write) from [<c059c358>] (ksys_write+0x74/0xec)

 5075 21:38:16.072137  <4>[  106.846395]  r10:00000004 r9:00000000 r8:00000000 r7:b6e67000 r6:c693c000 r5:c4392f00

 5076 21:38:16.072482  <4>[  106.854491]  r4:c4392f00

 5077 21:38:16.072812  <4>[  106.857299] [<c059c2e4>] (ksys_write) from [<c059c3e8>] (sys_write+0x18/0x1c)

 5078 21:38:16.073136  <4>[  106.864708]  r9:c693c000 r8:c03002e4 r7:00000004 r6:b6faee00 r5:00000012 r4:00000012

 5079 21:38:16.112885  <4>[  106.872728] [<c059c3d0>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 5080 21:38:16.113458  <4>[  106.880566] Exception stack(0xc693dfa8 to 0xc693dff0)

 5081 21:38:16.113831  <4>[  106.885893] dfa0:                   00000012 00000012 00000001 b6e67000 00000012 00000000

 5082 21:38:16.114179  <4>[  106.894343] dfc0: 00000012 00000012 b6faee00 00000004 00000001 00000000 00020000 be9a4ac4

 5083 21:38:16.114519  <4>[  106.902790] dfe0: 00000004 be9a47f8 b6f18d8f b6e9f7e6

 5084 21:38:16.275962  # [  106.699423] lkdtm: Performing direct entry STACKLEAK_ERASING

 5085 21:38:16.276524  # [  106.705498] lkdtm: checking unused part of the thread stack (7732 bytes)...

 5086 21:38:16.276899  # [  106.712980] lkdtm: FAIL: the erased part is not found (checked 7732 bytes)

 5087 21:38:16.277244  # [  106.720248] lkdtm: FAIL: the thread stack is NOT properly erased

 5088 21:38:16.277570  # [  106.726570] CPU: 2 PID: 3579 Comm: cat Tainted: G      D W         5.10.212-cip44 #1

 5089 21:38:16.277897  # [  106.734584] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)

 5090 21:38:16.318924  # [  106.741379] Backtrace: 

 5091 21:38:16.319492  # [  106.744119] [<c13bdcdc>] (dump_backtrace) from [<c13be09c>] (show_stack+0x20/0x24)

 5092 21:38:16.319865  # [  106.751963]  r7:ffffffff r6:600e0013 r5:00000000 r4:c1f1d0b8

 5093 21:38:16.320207  # [  106.757901] [<c13be07c>] (show_stack) from [<c13c5334>] (dump_stack+0xe0/0x100)

 5094 21:38:16.320534  # [  106.765494] [<c13c5254>] (dump_stack) from [<c13ccaf0>] (lkdtm_STACKLEAK_ERASING+0x148/0x174)

 5095 21:38:16.320857  # [  106.774295]  r9:c1ad6160 r8:c15ebd54 r7:c693df60 r6:c693de34 r5:c693c000 r4:0000078d

 5096 21:38:16.361889  # [  106.782320] [<c13cc9a8>] (lkdtm_STACKLEAK_ERASING) from [<c0c584e8>] (lkdtm_do_action+0x2c/0x4c)

 5097 21:38:16.362511  # [  106.791379]  r8:c15ebd54 r7:c693df60 r6:00000012 r5:c6cfa000 r4:00000046

 5098 21:38:16.363115  # [  106.798357] [<c0c584bc>] (lkdtm_do_action) from [<c0c589e8>] (direct_entry+0x120/0x18c)

 5099 21:38:16.363494  # [  106.806643] [<c0c588c8>] (direct_entry) from [<c07e211c>] (full_proxy_write+0x64/0x94)

 5100 21:38:16.363835  # [  106.814835]  r9:c693df60 r8:c517a780 r7:00000012 r6:b6e67000 r5:c4392f00 r4:c0c588c8

 5101 21:38:16.364166  # [  106.822860] [<c07e20b8>] (full_proxy_write) from [<c059bdac>] (vfs_write+0x10c/0x53c)

 5102 21:38:16.404569  # [  106.830965]  r9:c07e20b8 r8:c693df60 r7:c290d000 r6:b6e67000 r5:c4392f00 r4:00000000

 5103 21:38:16.404728  # [  106.838984] [<c059bca0>] (vfs_write) from [<c059c358>] (ksys_write+0x74/0xec)

 5104 21:38:16.404794  # [  106.846395]  r10:00000004 r9:00000000 r8:00000000 r7:b6e67000 r6:c693c000 r5:c4392f00

 5105 21:38:16.404855  # [  106.854491]  r4:c4392f00

 5106 21:38:16.404914  # [  106.857299] [<c059c2e4>] (ksys_write) from [<c059c3e8>] (sys_write+0x18/0x1c)

 5107 21:38:16.404972  # [  106.864708]  r9:c693c000 r8:c03002e4 r7:00000004 r6:b6faee00 r5:00000012 r4:00000012

 5108 21:38:16.447760  # [  106.872728] [<c059c3d0>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)

 5109 21:38:16.447979  # [  106.880566] Exception stack(0xc693dfa8 to 0xc693dff0)

 5110 21:38:16.448098  # [  106.885893] dfa0:                   00000012 00000012 00000001 b6e67000 00000012 00000000

 5111 21:38:16.448203  # [  106.894343] dfc0: 00000012 00000012 b6faee00 00000004 00000001 00000000 00020000 be9a4ac4

 5112 21:38:16.448303  # [  106.902790] dfe0: 00000004 be9a47f8 b6f18d8f b6e9f7e6

 5113 21:38:16.448403  # STACKLEAK_ERASING: missing 'OK: the rest of the thread stack is properly erased': [FAIL]

 5114 21:38:16.468218  not ok 69 selftests: lkdtm: STACKLEAK_ERASING.sh # exit=1

 5115 21:38:16.468553  # selftests: lkdtm: CFI_FORWARD_PROTO.sh

 5116 21:38:16.708039  <6>[  107.479993] lkdtm: Performing direct entry CFI_FORWARD_PROTO

 5117 21:38:16.708278  <6>[  107.485964] lkdtm: Calling matched prototype ...

 5118 21:38:16.708414  <6>[  107.490917] lkdtm: Calling mismatched prototype ...

 5119 21:38:16.708532  <6>[  107.496071] lkdtm: Fail: survived mismatched prototype function call!

 5120 21:38:16.868453  # [  107.479993] lkdtm: Performing direct entry CFI_FORWARD_PROTO

 5121 21:38:16.868971  # [  107.485964] lkdtm: Calling matched prototype ...

 5122 21:38:16.869308  # [  107.490917] lkdtm: Calling mismatched prototype ...

 5123 21:38:16.869619  # [  107.496071] lkdtm: Fail: survived mismatched prototype function call!

 5124 21:38:16.884095  # CFI_FORWARD_PROTO: missing 'call trace:': [FAIL]

 5125 21:38:16.916372  not ok 70 selftests: lkdtm: CFI_FORWARD_PROTO.sh # exit=1

 5126 21:38:17.613073  Traceback (most recent call last):

 5127 21:38:17.613217    File "/lava-12965456/0/tests/1_kselftest-lkdtm/automated/linux/kselftest/./parse-output.py", line 4, in <module>

 5128 21:38:17.613286      from tap import parser

 5129 21:38:17.613346  ModuleNotFoundError: No module named 'tap'

 5130 21:38:17.629624  + ../../utils/send-to-lava.sh ./output/result.txt

 5131 21:38:17.771742  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=shardfile-lkdtm RESULT=pass>

 5132 21:38:17.772310  + set +x

 5133 21:38:17.772687  <LAVA_SIGNAL_ENDRUN 1_kselftest-lkdtm 12965456_1.6.2.4.5>

 5134 21:38:17.773030  <LAVA_TEST_RUNNER EXIT>

 5135 21:38:17.775245  Received signal: <TESTCASE> TEST_CASE_ID=shardfile-lkdtm RESULT=pass
 5137 21:38:17.776374  Received signal: <ENDRUN> 1_kselftest-lkdtm 12965456_1.6.2.4.5
 5138 21:38:17.776744  Ending use of test pattern.
 5139 21:38:17.777075  Ending test lava.1_kselftest-lkdtm (12965456_1.6.2.4.5), duration 57.77
 5141 21:38:17.778239  ok: lava_test_shell seems to have completed
 5142 21:38:17.778720  shardfile-lkdtm: pass

 5143 21:38:17.779187  end: 3.1 lava-test-shell (duration 00:00:59) [common]
 5144 21:38:17.779626  end: 3 lava-test-retry (duration 00:00:59) [common]
 5145 21:38:17.780098  start: 4 finalize (timeout 00:06:43) [common]
 5146 21:38:17.780573  start: 4.1 power-off (timeout 00:00:30) [common]
 5147 21:38:17.781302  Calling: 'pduclient' '--daemon=localhost' '--hostname=pms-0' '--port=2' '--command=off'
 5148 21:38:17.866886  >> Command sent successfully.

 5149 21:38:17.871674  Returned 0 in 0 seconds
 5150 21:38:17.972768  end: 4.1 power-off (duration 00:00:00) [common]
 5152 21:38:17.974284  start: 4.2 read-feedback (timeout 00:06:42) [common]
 5153 21:38:17.975624  Listened to connection for namespace 'common' for up to 1s
 5154 21:38:17.976494  Listened to connection for namespace 'common' for up to 1s
 5155 21:38:18.976049  Finalising connection for namespace 'common'
 5156 21:38:18.976232  Disconnecting from shell: Finalise
 5157 21:38:18.976305  / # 
 5158 21:38:19.076725  end: 4.2 read-feedback (duration 00:00:01) [common]
 5159 21:38:19.076939  end: 4 finalize (duration 00:00:01) [common]
 5160 21:38:19.077062  Cleaning after the job
 5161 21:38:19.077160  Cleaning up download directory: /var/lib/lava/dispatcher/tmp/12965456/tftp-deploy-29duw6bv/ramdisk
 5162 21:38:19.079659  Cleaning up download directory: /var/lib/lava/dispatcher/tmp/12965456/tftp-deploy-29duw6bv/kernel
 5163 21:38:19.081506  Cleaning up download directory: /var/lib/lava/dispatcher/tmp/12965456/tftp-deploy-29duw6bv/dtb
 5164 21:38:19.081683  Cleaning up download directory: /var/lib/lava/dispatcher/tmp/12965456/tftp-deploy-29duw6bv/nfsrootfs
 5165 21:38:19.164443  Cleaning up download directory: /var/lib/lava/dispatcher/tmp/12965456/tftp-deploy-29duw6bv/modules
 5166 21:38:19.169707  Override tmp directory removed at /var/lib/lava/dispatcher/tmp/12965456
 5167 21:38:19.797457  Root tmp directory removed at /var/lib/lava/dispatcher/tmp/12965456
 5168 21:38:19.797636  Job finished correctly