Boot log: stm32mp157a-dhcor-avenger96

    1 17:09:16.343989  lava-dispatcher, installed at version: 2024.01
    2 17:09:16.344394  start: 0 validate
    3 17:09:16.344596  Start time: 2024-06-21 17:09:16.344587+00:00 (UTC)
    4 17:09:16.344832  Validating that http://storage.kernelci.org/images/rootfs/debian/bookworm-kselftest/20240313.0/armhf/initrd.cpio.gz exists
    5 17:09:16.620192  Validating that http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.218-cip49-1111-g6fbf41e85883f/arm/multi_v7_defconfig+kselftest/gcc-10/kernel/zImage exists
    6 17:09:16.757751  Validating that http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.218-cip49-1111-g6fbf41e85883f/arm/multi_v7_defconfig+kselftest/gcc-10/dtbs/stm32mp157a-dhcor-avenger96.dtb exists
    7 17:09:16.895350  Validating that http://storage.kernelci.org/images/rootfs/debian/bookworm-kselftest/20240313.0/armhf/full.rootfs.tar.xz exists
    8 17:09:17.031833  Validating that http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.218-cip49-1111-g6fbf41e85883f/arm/multi_v7_defconfig+kselftest/gcc-10/modules.tar.xz exists
    9 17:09:17.171358  validate duration: 0.83
   11 17:09:17.171827  start: 1 tftp-deploy (timeout 00:10:00) [common]
   12 17:09:17.171986  start: 1.1 download-retry (timeout 00:10:00) [common]
   13 17:09:17.172139  start: 1.1.1 http-download (timeout 00:10:00) [common]
   14 17:09:17.172413  Not decompressing ramdisk as can be used compressed.
   15 17:09:17.172602  downloading http://storage.kernelci.org/images/rootfs/debian/bookworm-kselftest/20240313.0/armhf/initrd.cpio.gz
   16 17:09:17.172715  saving as /var/lib/lava/dispatcher/tmp/438939/tftp-deploy-im0tkv1e/ramdisk/initrd.cpio.gz
   17 17:09:17.172822  total size: 4775763 (4 MB)
   18 17:09:17.446780  progress   0 % (0 MB)
   19 17:09:17.852448  progress   5 % (0 MB)
   20 17:09:17.986532  progress  10 % (0 MB)
   21 17:09:17.990050  progress  15 % (0 MB)
   22 17:09:18.121062  progress  20 % (0 MB)
   23 17:09:18.126794  progress  25 % (1 MB)
   24 17:09:18.130417  progress  30 % (1 MB)
   25 17:09:18.134780  progress  35 % (1 MB)
   26 17:09:18.255455  progress  40 % (1 MB)
   27 17:09:18.259209  progress  45 % (2 MB)
   28 17:09:18.263641  progress  50 % (2 MB)
   29 17:09:18.270786  progress  55 % (2 MB)
   30 17:09:18.274325  progress  60 % (2 MB)
   31 17:09:18.282031  progress  65 % (2 MB)
   32 17:09:18.285099  progress  70 % (3 MB)
   33 17:09:18.287207  progress  75 % (3 MB)
   34 17:09:18.390536  progress  80 % (3 MB)
   35 17:09:18.393897  progress  85 % (3 MB)
   36 17:09:18.398261  progress  90 % (4 MB)
   37 17:09:18.401882  progress  95 % (4 MB)
   38 17:09:18.408924  progress 100 % (4 MB)
   39 17:09:18.409844  4 MB downloaded in 1.24 s (3.68 MB/s)
   40 17:09:18.410646  end: 1.1.1 http-download (duration 00:00:01) [common]
   42 17:09:18.412190  end: 1.1 download-retry (duration 00:00:01) [common]
   43 17:09:18.412753  start: 1.2 download-retry (timeout 00:09:59) [common]
   44 17:09:18.413312  start: 1.2.1 http-download (timeout 00:09:59) [common]
   45 17:09:18.414024  downloading http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.218-cip49-1111-g6fbf41e85883f/arm/multi_v7_defconfig+kselftest/gcc-10/kernel/zImage
   46 17:09:18.414416  saving as /var/lib/lava/dispatcher/tmp/438939/tftp-deploy-im0tkv1e/kernel/zImage
   47 17:09:18.414776  total size: 12562944 (11 MB)
   48 17:09:18.415222  No compression specified
   49 17:09:18.554913  progress   0 % (0 MB)
   50 17:09:18.564097  progress   5 % (0 MB)
   51 17:09:18.576298  progress  10 % (1 MB)
   52 17:09:18.584260  progress  15 % (1 MB)
   53 17:09:18.592136  progress  20 % (2 MB)
   54 17:09:18.689325  progress  25 % (3 MB)
   55 17:09:18.701191  progress  30 % (3 MB)
   56 17:09:18.712386  progress  35 % (4 MB)
   57 17:09:18.720993  progress  40 % (4 MB)
   58 17:09:18.729736  progress  45 % (5 MB)
   59 17:09:18.825235  progress  50 % (6 MB)
   60 17:09:18.835813  progress  55 % (6 MB)
   61 17:09:18.848121  progress  60 % (7 MB)
   62 17:09:18.864690  progress  65 % (7 MB)
   63 17:09:18.875112  progress  70 % (8 MB)
   64 17:09:18.960991  progress  75 % (9 MB)
   65 17:09:18.972310  progress  80 % (9 MB)
   66 17:09:18.984122  progress  85 % (10 MB)
   67 17:09:18.997120  progress  90 % (10 MB)
   68 17:09:19.093115  progress  95 % (11 MB)
   69 17:09:19.100920  progress 100 % (11 MB)
   70 17:09:19.101255  11 MB downloaded in 0.69 s (17.45 MB/s)
   71 17:09:19.101522  end: 1.2.1 http-download (duration 00:00:01) [common]
   73 17:09:19.102003  end: 1.2 download-retry (duration 00:00:01) [common]
   74 17:09:19.102154  start: 1.3 download-retry (timeout 00:09:58) [common]
   75 17:09:19.102291  start: 1.3.1 http-download (timeout 00:09:58) [common]
   76 17:09:19.102519  downloading http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.218-cip49-1111-g6fbf41e85883f/arm/multi_v7_defconfig+kselftest/gcc-10/dtbs/stm32mp157a-dhcor-avenger96.dtb
   77 17:09:19.102641  saving as /var/lib/lava/dispatcher/tmp/438939/tftp-deploy-im0tkv1e/dtb/stm32mp157a-dhcor-avenger96.dtb
   78 17:09:19.102749  total size: 57690 (0 MB)
   79 17:09:19.102856  No compression specified
   80 17:09:19.241736  progress  56 % (0 MB)
   81 17:09:19.242959  progress 100 % (0 MB)
   82 17:09:19.244117  0 MB downloaded in 0.14 s (0.39 MB/s)
   83 17:09:19.244743  end: 1.3.1 http-download (duration 00:00:00) [common]
   85 17:09:19.245161  end: 1.3 download-retry (duration 00:00:00) [common]
   86 17:09:19.245302  start: 1.4 download-retry (timeout 00:09:58) [common]
   87 17:09:19.245438  start: 1.4.1 http-download (timeout 00:09:58) [common]
   88 17:09:19.245655  downloading http://storage.kernelci.org/images/rootfs/debian/bookworm-kselftest/20240313.0/armhf/full.rootfs.tar.xz
   89 17:09:19.245769  saving as /var/lib/lava/dispatcher/tmp/438939/tftp-deploy-im0tkv1e/nfsrootfs/full.rootfs.tar
   90 17:09:19.245879  total size: 117747780 (112 MB)
   91 17:09:19.245987  Using unxz to decompress xz
   92 17:09:19.387565  progress   0 % (0 MB)
   93 17:09:19.991534  progress   5 % (5 MB)
   94 17:09:20.604222  progress  10 % (11 MB)
   95 17:09:21.184219  progress  15 % (16 MB)
   96 17:09:21.642285  progress  20 % (22 MB)
   97 17:09:22.043620  progress  25 % (28 MB)
   98 17:09:22.534049  progress  30 % (33 MB)
   99 17:09:23.152026  progress  35 % (39 MB)
  100 17:09:23.382600  progress  40 % (44 MB)
  101 17:09:23.661474  progress  45 % (50 MB)
  102 17:09:24.059922  progress  50 % (56 MB)
  103 17:09:24.571205  progress  55 % (61 MB)
  104 17:09:25.058789  progress  60 % (67 MB)
  105 17:09:25.574396  progress  65 % (73 MB)
  106 17:09:26.065597  progress  70 % (78 MB)
  107 17:09:26.678329  progress  75 % (84 MB)
  108 17:09:27.354813  progress  80 % (89 MB)
  109 17:09:28.544291  progress  85 % (95 MB)
  110 17:09:29.076260  progress  90 % (101 MB)
  111 17:09:29.642848  progress  95 % (106 MB)
  112 17:09:30.384800  progress 100 % (112 MB)
  113 17:09:30.395499  112 MB downloaded in 11.15 s (10.07 MB/s)
  114 17:09:30.395856  end: 1.4.1 http-download (duration 00:00:11) [common]
  116 17:09:30.396215  end: 1.4 download-retry (duration 00:00:11) [common]
  117 17:09:30.396330  start: 1.5 download-retry (timeout 00:09:47) [common]
  118 17:09:30.396441  start: 1.5.1 http-download (timeout 00:09:47) [common]
  119 17:09:30.396668  downloading http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.218-cip49-1111-g6fbf41e85883f/arm/multi_v7_defconfig+kselftest/gcc-10/modules.tar.xz
  120 17:09:30.396766  saving as /var/lib/lava/dispatcher/tmp/438939/tftp-deploy-im0tkv1e/modules/modules.tar
  121 17:09:30.396850  total size: 7418096 (7 MB)
  122 17:09:30.396939  Using unxz to decompress xz
  123 17:09:30.536254  progress   0 % (0 MB)
  124 17:09:30.593650  progress   5 % (0 MB)
  125 17:09:30.631157  progress  10 % (0 MB)
  126 17:09:30.662296  progress  15 % (1 MB)
  127 17:09:30.704764  progress  20 % (1 MB)
  128 17:09:30.736566  progress  25 % (1 MB)
  129 17:09:30.768313  progress  30 % (2 MB)
  130 17:09:30.810484  progress  35 % (2 MB)
  131 17:09:30.840874  progress  40 % (2 MB)
  132 17:09:30.871966  progress  45 % (3 MB)
  133 17:09:30.904569  progress  50 % (3 MB)
  134 17:09:30.961488  progress  55 % (3 MB)
  135 17:09:30.992105  progress  60 % (4 MB)
  136 17:09:31.026722  progress  65 % (4 MB)
  137 17:09:31.083616  progress  70 % (4 MB)
  138 17:09:31.114593  progress  75 % (5 MB)
  139 17:09:31.146901  progress  80 % (5 MB)
  140 17:09:31.177286  progress  85 % (6 MB)
  141 17:09:31.244492  progress  90 % (6 MB)
  142 17:09:31.370033  progress  95 % (6 MB)
  143 17:09:31.436582  progress 100 % (7 MB)
  144 17:09:31.469209  7 MB downloaded in 1.07 s (6.60 MB/s)
  145 17:09:31.485376  end: 1.5.1 http-download (duration 00:00:01) [common]
  147 17:09:31.485789  end: 1.5 download-retry (duration 00:00:01) [common]
  148 17:09:31.485921  start: 1.6 prepare-tftp-overlay (timeout 00:09:46) [common]
  149 17:09:31.486049  start: 1.6.1 extract-nfsrootfs (timeout 00:09:46) [common]
  150 17:09:44.268422  Extracted nfsroot to /var/lib/lava/dispatcher/tmp/438939/extract-nfsrootfs-zldl9k4x
  151 17:09:44.269424  end: 1.6.1 extract-nfsrootfs (duration 00:00:13) [common]
  152 17:09:44.270663  start: 1.6.2 lava-overlay (timeout 00:09:33) [common]
  153 17:09:44.271524  [common] Preparing overlay tarball in /var/lib/lava/dispatcher/tmp/438939/lava-overlay-euzen5pt
  154 17:09:44.271808  makedir: /var/lib/lava/dispatcher/tmp/438939/lava-overlay-euzen5pt/lava-438939/bin
  155 17:09:44.272073  makedir: /var/lib/lava/dispatcher/tmp/438939/lava-overlay-euzen5pt/lava-438939/tests
  156 17:09:44.451497  makedir: /var/lib/lava/dispatcher/tmp/438939/lava-overlay-euzen5pt/lava-438939/results
  157 17:09:44.451788  Creating /var/lib/lava/dispatcher/tmp/438939/lava-overlay-euzen5pt/lava-438939/bin/lava-add-keys
  158 17:09:44.452009  Creating /var/lib/lava/dispatcher/tmp/438939/lava-overlay-euzen5pt/lava-438939/bin/lava-add-sources
  159 17:09:44.452201  Creating /var/lib/lava/dispatcher/tmp/438939/lava-overlay-euzen5pt/lava-438939/bin/lava-background-process-start
  160 17:09:44.452393  Creating /var/lib/lava/dispatcher/tmp/438939/lava-overlay-euzen5pt/lava-438939/bin/lava-background-process-stop
  161 17:09:44.452613  Creating /var/lib/lava/dispatcher/tmp/438939/lava-overlay-euzen5pt/lava-438939/bin/lava-common-functions
  162 17:09:44.452820  Creating /var/lib/lava/dispatcher/tmp/438939/lava-overlay-euzen5pt/lava-438939/bin/lava-echo-ipv4
  163 17:09:44.453005  Creating /var/lib/lava/dispatcher/tmp/438939/lava-overlay-euzen5pt/lava-438939/bin/lava-install-packages
  164 17:09:44.453188  Creating /var/lib/lava/dispatcher/tmp/438939/lava-overlay-euzen5pt/lava-438939/bin/lava-installed-packages
  165 17:09:44.453367  Creating /var/lib/lava/dispatcher/tmp/438939/lava-overlay-euzen5pt/lava-438939/bin/lava-os-build
  166 17:09:44.453551  Creating /var/lib/lava/dispatcher/tmp/438939/lava-overlay-euzen5pt/lava-438939/bin/lava-probe-channel
  167 17:09:44.453733  Creating /var/lib/lava/dispatcher/tmp/438939/lava-overlay-euzen5pt/lava-438939/bin/lava-probe-ip
  168 17:09:44.453914  Creating /var/lib/lava/dispatcher/tmp/438939/lava-overlay-euzen5pt/lava-438939/bin/lava-target-ip
  169 17:09:44.454095  Creating /var/lib/lava/dispatcher/tmp/438939/lava-overlay-euzen5pt/lava-438939/bin/lava-target-mac
  170 17:09:44.454277  Creating /var/lib/lava/dispatcher/tmp/438939/lava-overlay-euzen5pt/lava-438939/bin/lava-target-storage
  171 17:09:44.454464  Creating /var/lib/lava/dispatcher/tmp/438939/lava-overlay-euzen5pt/lava-438939/bin/lava-test-case
  172 17:09:44.454646  Creating /var/lib/lava/dispatcher/tmp/438939/lava-overlay-euzen5pt/lava-438939/bin/lava-test-event
  173 17:09:44.454825  Creating /var/lib/lava/dispatcher/tmp/438939/lava-overlay-euzen5pt/lava-438939/bin/lava-test-feedback
  174 17:09:44.455008  Creating /var/lib/lava/dispatcher/tmp/438939/lava-overlay-euzen5pt/lava-438939/bin/lava-test-raise
  175 17:09:44.455190  Creating /var/lib/lava/dispatcher/tmp/438939/lava-overlay-euzen5pt/lava-438939/bin/lava-test-reference
  176 17:09:44.455373  Creating /var/lib/lava/dispatcher/tmp/438939/lava-overlay-euzen5pt/lava-438939/bin/lava-test-runner
  177 17:09:44.455843  Creating /var/lib/lava/dispatcher/tmp/438939/lava-overlay-euzen5pt/lava-438939/bin/lava-test-set
  178 17:09:44.456041  Creating /var/lib/lava/dispatcher/tmp/438939/lava-overlay-euzen5pt/lava-438939/bin/lava-test-shell
  179 17:09:44.456228  Updating /var/lib/lava/dispatcher/tmp/438939/lava-overlay-euzen5pt/lava-438939/bin/lava-add-keys (debian)
  180 17:09:44.531681  Updating /var/lib/lava/dispatcher/tmp/438939/lava-overlay-euzen5pt/lava-438939/bin/lava-add-sources (debian)
  181 17:09:44.594939  Updating /var/lib/lava/dispatcher/tmp/438939/lava-overlay-euzen5pt/lava-438939/bin/lava-install-packages (debian)
  182 17:09:44.597679  Updating /var/lib/lava/dispatcher/tmp/438939/lava-overlay-euzen5pt/lava-438939/bin/lava-installed-packages (debian)
  183 17:09:44.719187  Updating /var/lib/lava/dispatcher/tmp/438939/lava-overlay-euzen5pt/lava-438939/bin/lava-os-build (debian)
  184 17:09:44.820229  Creating /var/lib/lava/dispatcher/tmp/438939/lava-overlay-euzen5pt/lava-438939/environment
  185 17:09:44.820509  LAVA metadata
  186 17:09:44.820787  - LAVA_JOB_ID=438939
  187 17:09:44.821031  - LAVA_DISPATCHER_IP=192.168.56.193
  188 17:09:44.821413  start: 1.6.2.1 ssh-authorize (timeout 00:09:32) [common]
  189 17:09:44.910984  end: 1.6.2.1 ssh-authorize (duration 00:00:00) [common]
  190 17:09:44.911244  start: 1.6.2.2 lava-vland-overlay (timeout 00:09:32) [common]
  191 17:09:44.911356  skipped lava-vland-overlay
  192 17:09:44.911621  end: 1.6.2.2 lava-vland-overlay (duration 00:00:00) [common]
  193 17:09:44.911749  start: 1.6.2.3 lava-multinode-overlay (timeout 00:09:32) [common]
  194 17:09:44.911838  skipped lava-multinode-overlay
  195 17:09:44.911939  end: 1.6.2.3 lava-multinode-overlay (duration 00:00:00) [common]
  196 17:09:44.912046  start: 1.6.2.4 test-definition (timeout 00:09:32) [common]
  197 17:09:44.912169  Loading test definitions
  198 17:09:44.912294  start: 1.6.2.4.1 inline-repo-action (timeout 00:09:32) [common]
  199 17:09:44.912389  Using /lava-438939 at stage 0
  200 17:09:44.912973  uuid=438939_1.6.2.4.1 testdef=None
  201 17:09:44.913130  end: 1.6.2.4.1 inline-repo-action (duration 00:00:00) [common]
  202 17:09:44.913247  start: 1.6.2.4.2 test-overlay (timeout 00:09:32) [common]
  203 17:09:44.913957  end: 1.6.2.4.2 test-overlay (duration 00:00:00) [common]
  205 17:09:44.914313  start: 1.6.2.4.3 test-install-overlay (timeout 00:09:32) [common]
  206 17:09:44.972469  end: 1.6.2.4.3 test-install-overlay (duration 00:00:00) [common]
  208 17:09:44.972854  start: 1.6.2.4.4 test-runscript-overlay (timeout 00:09:32) [common]
  209 17:09:45.179804  runner path: /var/lib/lava/dispatcher/tmp/438939/lava-overlay-euzen5pt/lava-438939/0/tests/0_timesync-off test_uuid 438939_1.6.2.4.1
  210 17:09:45.180508  end: 1.6.2.4.4 test-runscript-overlay (duration 00:00:00) [common]
  212 17:09:45.182475  start: 1.6.2.4.5 git-repo-action (timeout 00:09:32) [common]
  213 17:09:45.183041  Using /lava-438939 at stage 0
  214 17:09:45.183579  Fetching tests from https://github.com/kernelci/test-definitions.git
  215 17:09:45.183863  Running '/usr/bin/git clone https://github.com/kernelci/test-definitions.git /var/lib/lava/dispatcher/tmp/438939/lava-overlay-euzen5pt/lava-438939/0/tests/1_kselftest-lkdtm'
  216 17:09:55.834757  Running '/usr/bin/git checkout kernelci.org
  217 17:09:56.186996  Tests stored (tmp) in /var/lib/lava/dispatcher/tmp/438939/lava-overlay-euzen5pt/lava-438939/0/tests/1_kselftest-lkdtm/automated/linux/kselftest/kselftest.yaml
  218 17:09:56.187702  uuid=438939_1.6.2.4.5 testdef=None
  219 17:09:56.187910  end: 1.6.2.4.5 git-repo-action (duration 00:00:11) [common]
  221 17:09:56.188296  start: 1.6.2.4.6 test-overlay (timeout 00:09:21) [common]
  222 17:09:56.189585  end: 1.6.2.4.6 test-overlay (duration 00:00:00) [common]
  224 17:09:56.189985  start: 1.6.2.4.7 test-install-overlay (timeout 00:09:21) [common]
  225 17:09:56.210952  end: 1.6.2.4.7 test-install-overlay (duration 00:00:00) [common]
  227 17:09:56.211503  start: 1.6.2.4.8 test-runscript-overlay (timeout 00:09:21) [common]
  228 17:09:56.239704  runner path: /var/lib/lava/dispatcher/tmp/438939/lava-overlay-euzen5pt/lava-438939/0/tests/1_kselftest-lkdtm test_uuid 438939_1.6.2.4.5
  229 17:09:56.240036  BOARD='stm32mp157a-dhcor-avenger96'
  230 17:09:56.240225  BRANCH='cip-gitlab'
  231 17:09:56.240366  SKIPFILE='/dev/null'
  232 17:09:56.240491  SKIP_INSTALL='True'
  233 17:09:56.240604  TESTPROG_URL='http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.218-cip49-1111-g6fbf41e85883f/arm/multi_v7_defconfig+kselftest/gcc-10/kselftest.tar.xz'
  234 17:09:56.240731  TST_CASENAME=''
  235 17:09:56.240864  TST_CMDFILES='lkdtm'
  236 17:09:56.241214  end: 1.6.2.4.8 test-runscript-overlay (duration 00:00:00) [common]
  238 17:09:56.241700  Creating lava-test-runner.conf files
  239 17:09:56.241855  Using lava-test-runner path: /var/lib/lava/dispatcher/tmp/438939/lava-overlay-euzen5pt/lava-438939/0 for stage 0
  240 17:09:56.242069  - 0_timesync-off
  241 17:09:56.242229  - 1_kselftest-lkdtm
  242 17:09:56.242459  end: 1.6.2.4 test-definition (duration 00:00:11) [common]
  243 17:09:56.242653  start: 1.6.2.5 compress-overlay (timeout 00:09:21) [common]
  244 17:10:11.727156  end: 1.6.2.5 compress-overlay (duration 00:00:15) [common]
  245 17:10:11.727510  start: 1.6.2.6 persistent-nfs-overlay (timeout 00:09:05) [common]
  246 17:10:11.728005  end: 1.6.2.6 persistent-nfs-overlay (duration 00:00:00) [common]
  247 17:10:11.728409  end: 1.6.2 lava-overlay (duration 00:00:27) [common]
  248 17:10:11.728632  start: 1.6.3 extract-overlay-ramdisk (timeout 00:09:05) [common]
  249 17:10:12.126945  end: 1.6.3 extract-overlay-ramdisk (duration 00:00:00) [common]
  250 17:10:12.127198  start: 1.6.4 extract-modules (timeout 00:09:05) [common]
  251 17:10:12.127313  extracting modules file /var/lib/lava/dispatcher/tmp/438939/tftp-deploy-im0tkv1e/modules/modules.tar to /var/lib/lava/dispatcher/tmp/438939/extract-nfsrootfs-zldl9k4x
  252 17:10:13.925872  extracting modules file /var/lib/lava/dispatcher/tmp/438939/tftp-deploy-im0tkv1e/modules/modules.tar to /var/lib/lava/dispatcher/tmp/438939/extract-overlay-ramdisk-lby6nfpp/ramdisk
  253 17:10:14.992971  end: 1.6.4 extract-modules (duration 00:00:03) [common]
  254 17:10:14.993720  start: 1.6.5 apply-overlay-tftp (timeout 00:09:02) [common]
  255 17:10:14.994221  [common] Applying overlay to NFS
  256 17:10:14.994704  [common] Applying overlay /var/lib/lava/dispatcher/tmp/438939/compress-overlay-491r1qde/overlay-1.6.2.5.tar.gz to directory /var/lib/lava/dispatcher/tmp/438939/extract-nfsrootfs-zldl9k4x
  257 17:10:18.340593  end: 1.6.5 apply-overlay-tftp (duration 00:00:03) [common]
  258 17:10:18.340830  start: 1.6.6 prepare-kernel (timeout 00:08:59) [common]
  259 17:10:18.340959  start: 1.6.6.1 uboot-prepare-kernel (timeout 00:08:59) [common]
  260 17:10:18.341073  Converting downloaded kernel to a uImage
  261 17:10:18.341230  mkimage -A arm -O linux -T kernel -C none -a 0xc2000000 -e 0xc2000000 -d /var/lib/lava/dispatcher/tmp/438939/tftp-deploy-im0tkv1e/kernel/zImage /var/lib/lava/dispatcher/tmp/438939/tftp-deploy-im0tkv1e/kernel/uImage
  262 17:10:19.234591  output: Image Name:   
  263 17:10:19.234818  output: Created:      Fri Jun 21 17:10:18 2024
  264 17:10:19.234912  output: Image Type:   ARM Linux Kernel Image (uncompressed)
  265 17:10:19.234996  output: Data Size:    12562944 Bytes = 12268.50 KiB = 11.98 MiB
  266 17:10:19.235078  output: Load Address: c2000000
  267 17:10:19.235158  output: Entry Point:  c2000000
  268 17:10:19.235238  output: 
  269 17:10:19.235385  end: 1.6.6.1 uboot-prepare-kernel (duration 00:00:01) [common]
  270 17:10:19.235524  end: 1.6.6 prepare-kernel (duration 00:00:01) [common]
  271 17:10:19.235646  start: 1.6.7 configure-preseed-file (timeout 00:08:58) [common]
  272 17:10:19.235758  end: 1.6.7 configure-preseed-file (duration 00:00:00) [common]
  273 17:10:19.235868  start: 1.6.8 compress-ramdisk (timeout 00:08:58) [common]
  274 17:10:19.235972  Building ramdisk /var/lib/lava/dispatcher/tmp/438939/extract-overlay-ramdisk-lby6nfpp/ramdisk.cpio containing /var/lib/lava/dispatcher/tmp/438939/extract-overlay-ramdisk-lby6nfpp/ramdisk
  275 17:10:25.103193  >> 83442 blocks

  276 17:10:31.552272  Adding RAMdisk u-boot header.
  277 17:10:31.552498  mkimage -A arm -T ramdisk -C none -d /var/lib/lava/dispatcher/tmp/438939/extract-overlay-ramdisk-lby6nfpp/ramdisk.cpio.gz /var/lib/lava/dispatcher/tmp/438939/extract-overlay-ramdisk-lby6nfpp/ramdisk.cpio.gz.uboot
  278 17:10:40.110557  output: Image Name:   
  279 17:10:40.110757  output: Created:      Fri Jun 21 17:10:31 2024
  280 17:10:40.110849  output: Image Type:   ARM Linux RAMDisk Image (uncompressed)
  281 17:10:40.110936  output: Data Size:    16110846 Bytes = 15733.25 KiB = 15.36 MiB
  282 17:10:40.111020  output: Load Address: 00000000
  283 17:10:40.111100  output: Entry Point:  00000000
  284 17:10:40.111180  output: 
  285 17:10:40.162205  rename /var/lib/lava/dispatcher/tmp/438939/extract-overlay-ramdisk-lby6nfpp/ramdisk.cpio.gz.uboot to /var/lib/lava/dispatcher/tmp/438939/tftp-deploy-im0tkv1e/ramdisk/ramdisk.cpio.gz.uboot
  286 17:10:40.162450  end: 1.6.8 compress-ramdisk (duration 00:00:21) [common]
  287 17:10:40.162580  end: 1.6 prepare-tftp-overlay (duration 00:01:09) [common]
  288 17:10:40.162702  start: 1.7 lxc-create-udev-rule-action (timeout 00:08:37) [common]
  289 17:10:40.162812  No LXC device requested
  290 17:10:40.162925  end: 1.7 lxc-create-udev-rule-action (duration 00:00:00) [common]
  291 17:10:40.163037  start: 1.8 deploy-device-env (timeout 00:08:37) [common]
  292 17:10:40.163145  end: 1.8 deploy-device-env (duration 00:00:00) [common]
  293 17:10:40.163235  Checking files for TFTP limit of 4294967296 bytes.
  294 17:10:40.164091  end: 1 tftp-deploy (duration 00:01:23) [common]
  295 17:10:40.164290  start: 2 uboot-action (timeout 00:05:00) [common]
  296 17:10:40.164412  start: 2.1 uboot-from-media (timeout 00:05:00) [common]
  297 17:10:40.164522  end: 2.1 uboot-from-media (duration 00:00:00) [common]
  298 17:10:40.164634  start: 2.2 bootloader-overlay (timeout 00:05:00) [common]
  299 17:10:40.164767  Using kernel file from prepare-kernel: 438939/tftp-deploy-im0tkv1e/kernel/uImage
  300 17:10:40.164921  substitutions:
  301 17:10:40.165010  - {BOOTX}: bootm 0xc2000000 0xc4400000 0xc4000000
  302 17:10:40.165096  - {DTB_ADDR}: 0xc4000000
  303 17:10:40.165180  - {DTB}: 438939/tftp-deploy-im0tkv1e/dtb/stm32mp157a-dhcor-avenger96.dtb
  304 17:10:40.165266  - {INITRD}: 438939/tftp-deploy-im0tkv1e/ramdisk/ramdisk.cpio.gz.uboot
  305 17:10:40.165349  - {KERNEL_ADDR}: 0xc2000000
  306 17:10:40.165432  - {KERNEL}: 438939/tftp-deploy-im0tkv1e/kernel/uImage
  307 17:10:40.165515  - {LAVA_MAC}: None
  308 17:10:40.165614  - {NFSROOTFS}: /var/lib/lava/dispatcher/tmp/438939/extract-nfsrootfs-zldl9k4x
  309 17:10:40.165701  - {NFS_SERVER_IP}: 192.168.56.193
  310 17:10:40.165783  - {PRESEED_CONFIG}: None
  311 17:10:40.165865  - {PRESEED_LOCAL}: None
  312 17:10:40.165946  - {RAMDISK_ADDR}: 0xc4400000
  313 17:10:40.166028  - {RAMDISK}: 438939/tftp-deploy-im0tkv1e/ramdisk/ramdisk.cpio.gz.uboot
  314 17:10:40.166111  - {ROOT_PART}: None
  315 17:10:40.166192  - {ROOT}: None
  316 17:10:40.166274  - {SERVER_IP}: 192.168.56.193
  317 17:10:40.166357  - {TEE_ADDR}: 0x83000000
  318 17:10:40.166442  - {TEE}: None
  319 17:10:40.166526  Parsed boot commands:
  320 17:10:40.166605  - setenv autoload no
  321 17:10:40.166685  - setenv initrd_high 0xffffffff
  322 17:10:40.166765  - setenv fdt_high 0xffffffff
  323 17:10:40.166845  - dhcp
  324 17:10:40.166925  - setenv serverip 192.168.56.193
  325 17:10:40.167007  - tftp 0xc2000000 438939/tftp-deploy-im0tkv1e/kernel/uImage
  326 17:10:40.167089  - tftp 0xc4400000 438939/tftp-deploy-im0tkv1e/ramdisk/ramdisk.cpio.gz.uboot
  327 17:10:40.167169  - setenv initrd_size ${filesize}
  328 17:10:40.167251  - tftp 0xc4000000 438939/tftp-deploy-im0tkv1e/dtb/stm32mp157a-dhcor-avenger96.dtb
  329 17:10:40.167332  - setenv bootargs 'console=ttySTM0,115200n8 root=/dev/nfs rw nfsroot=192.168.56.193:/var/lib/lava/dispatcher/tmp/438939/extract-nfsrootfs-zldl9k4x,tcp,hard console_msg_format=syslog earlycon deferred_probe_timeout=60 ip=dhcp'
  330 17:10:40.167421  - bootm 0xc2000000 0xc4400000 0xc4000000
  331 17:10:40.169647  end: 2.2 bootloader-overlay (duration 00:00:00) [common]
  333 17:10:40.171039  start: 2.3 connect-device (timeout 00:05:00) [common]
  334 17:10:40.171582  [common] connect-device Connecting to device using 'telnet moya.mayfield.sirena.org.uk 3000'
  335 17:10:40.180338  Setting prompt string to ['lava-test: # ']
  336 17:10:40.181532  end: 2.3 connect-device (duration 00:00:00) [common]
  337 17:10:40.182160  start: 2.4 uboot-commands (timeout 00:05:00) [common]
  338 17:10:40.182705  start: 2.4.1 reset-device (timeout 00:05:00) [common]
  339 17:10:40.183315  start: 2.4.1.1 pdu-reboot (timeout 00:05:00) [common]
  340 17:10:40.184242  Calling: 'curl' 'http://arpeggi.mayfield.sirena.org.uk:16421/power/control/reboot?hostname=apc619c42&port=8'
  341 17:10:47.957306  >> OK - accepted request

  342 17:10:47.959201  Returned 0 in 7 seconds
  343 17:10:48.059681  end: 2.4.1.1 pdu-reboot (duration 00:00:08) [common]
  345 17:10:48.060103  end: 2.4.1 reset-device (duration 00:00:08) [common]
  346 17:10:48.060228  start: 2.4.2 bootloader-interrupt (timeout 00:04:52) [common]
  347 17:10:48.060345  Setting prompt string to ['Hit any key to stop autoboot']
  348 17:10:48.060442  bootloader-interrupt: Wait for prompt ['Hit any key to stop autoboot'] (timeout 00:05:00)
  349 17:10:48.060844  Trying 192.168.56.4...
  350 17:10:48.060946  Connected to moya.mayfield.sirena.org.uk.
  351 17:10:48.061031  Escape character is '^]'.
  352 17:10:48.061114  
  353 17:10:48.061198  ser2net port telnet,3000 device serialdev, /dev/serial/by-path/pci-0000:00:14.0-usb-0:3.4:1.0-port0, 115200n81, local=false [,115200N81] (Debian GNU/Linux)
  354 17:10:48.061285  
  355 17:10:49.889548  
  356 17:10:49.889968  U-Boot SPL 2023.07.02-dh-stm32mp1-dhcor-avenger96-20230727.02 (Jul 11 2023 - 15:20:44 +0000)
  357 17:10:49.892909  Model: Arrow Electronics STM32MP15xx Avenger96 board
  358 17:10:49.940631  Code:  SoM:rev=0,ddr3=3 Board:rev=1
  359 17:10:49.940834  RAM: DDR3L 32bits 2x4Gb 533MHz
  360 17:10:49.977873  WDT:   Started watchdog@5a002000 with servicing every 1000ms (32s timeout)
  361 17:10:49.978063  Trying to boot from MMC1
  362 17:10:50.041786  image entry point: 0xc0100000
  363 17:10:50.254570  
  364 17:10:50.254836  
  365 17:10:50.257902  U-Boot 2023.07.02-dh-stm32mp1-dhcor-avenger96-20230727.02 (Jul 11 2023 - 15:20:44 +0000)
  366 17:10:50.258027  
  367 17:10:50.320463  CPU: STM32MP157AAC Rev.B
  368 17:10:50.320827  Model: Arrow Electronics STM32MP15xx Avenger96 board
  369 17:10:50.323807  Board: stm32mp1 in basic mode (arrow,stm32mp15xx-avenger96)
  370 17:10:50.339632  DRAM:  1 GiB
  371 17:10:50.391310  Clocks:
  372 17:10:50.391434  - MPU : 650 MHz
  373 17:10:50.391533  - MCU : 208.878 MHz
  374 17:10:50.394734  - AXI : 266.500 MHz
  375 17:10:50.394840  - PER : 24 MHz
  376 17:10:50.394923  - DDR : 533 MHz
  377 17:10:50.455478  Core:  285 devices, 34 uclasses, devicetree: separate
  378 17:10:50.455873  WDT:   Started watchdog@5a002000 with servicing every 1000ms (32s timeout)
  379 17:10:50.458713  MMC:   STM32 SD/MMC: 2, STM32 SD/MMC: 0, STM32 SD/MMC: 1
  380 17:10:50.494641  Loading Environment from SPIFlash... SF: Detected w25q16dw with page size 256 Bytes, erase size 4 KiB, total 2 MiB
  381 17:10:50.494756  OK
  382 17:10:50.494851  In:    serial
  383 17:10:50.494935  Out:   serial
  384 17:10:50.495011  Err:   serial
  385 17:10:50.497865  Net:   eth0: ethernet@5800a000
  387 17:10:50.564074  Hit any key to stop autoboot:  3 
  388 17:10:50.564315  end: 2.4.2 bootloader-interrupt (duration 00:00:03) [common]
  389 17:10:50.564461  start: 2.4.3 bootloader-commands (timeout 00:04:50) [common]
  390 17:10:50.564572  Setting prompt string to ['STM32MP>']
  391 17:10:50.564685  bootloader-commands: Wait for prompt ['STM32MP>'] (timeout 00:04:50)
  392 17:10:50.593731   0 
  393 17:10:50.594061  Setting prompt string to ['STM32MP>', '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']
  395 17:10:50.694407  STM32MP> setenv autoload no
  396 17:10:50.694600  bootloader-commands: Wait for prompt ['STM32MP>', '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 00:04:49)
  397 17:10:50.705700  setenv autoload no
  399 17:10:50.806228  STM32MP> setenv initrd_high 0xffffffff
  400 17:10:50.806428  bootloader-commands: Wait for prompt ['STM32MP>', '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 00:04:49)
  401 17:10:50.817707  setenv initrd_high 0xffffffff
  403 17:10:50.918247  STM32MP> setenv fdt_high 0xffffffff
  404 17:10:50.918446  bootloader-commands: Wait for prompt ['STM32MP>', '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 00:04:49)
  405 17:10:50.929683  setenv fdt_high 0xffffffff
  407 17:10:51.030215  STM32MP> dhcp
  408 17:10:51.030404  bootloader-commands: Wait for prompt ['STM32MP>', '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 00:04:49)
  409 17:10:51.041704  dhcp
  410 17:10:57.223428  ethernet@5800a000 Waiting for PHY auto negotiation to complete.......... done
  411 17:10:57.239483  BOOTP broadcast 1
  412 17:10:57.495430  BOOTP broadcast 2
  413 17:10:57.991455  BOOTP broadcast 3
  414 17:10:58.999377  BOOTP broadcast 4
  415 17:11:00.999321  BOOTP broadcast 5
  416 17:11:02.999296  BOOTP broadcast 6
  417 17:11:04.999349  BOOTP broadcast 7
  418 17:11:05.015330  *** Unhandled DHCP Option in OFFER/ACK: 42
  419 17:11:05.049199  *** Unhandled DHCP Option in OFFER/ACK: 42
  420 17:11:05.052404  DHCP client bound to address 192.168.56.144 (7803 ms)
  422 17:11:05.153038  STM32MP> setenv serverip 192.168.56.193
  423 17:11:05.153318  bootloader-commands: Wait for prompt ['STM32MP>', 'Resetting CPU', 'Must RESET board to recover', 'TIMEOUT', 'Retry count exceeded', 'Retry time exceeded; starting again', 'ERROR: The remote end did not respond in time.', 'File not found', 'Bad Linux ARM64 Image magic!', 'Wrong Ramdisk Image Format', 'Ramdisk image is corrupt or invalid', 'ERROR: Failed to allocate', 'TFTP error: trying to overwrite reserved memory', 'Bad Linux RISCV Image magic!', 'Wrong Image Format for boot', 'ERROR: Did not find a cmdline Flattened Device Tree', 'ERROR: RD image overlaps OS image'] (timeout 00:04:35)
  424 17:11:05.164206  setenv serverip 192.168.56.193
  426 17:11:05.264774  STM32MP> tftp 0xc2000000 438939/tftp-deploy-im0tkv1e/kernel/uImage
  427 17:11:05.265039  bootloader-commands: Wait for prompt ['STM32MP>', 'Resetting CPU', 'Must RESET board to recover', 'TIMEOUT', 'Retry count exceeded', 'Retry time exceeded; starting again', 'ERROR: The remote end did not respond in time.', 'File not found', 'Bad Linux ARM64 Image magic!', 'Wrong Ramdisk Image Format', 'Ramdisk image is corrupt or invalid', 'ERROR: Failed to allocate', 'TFTP error: trying to overwrite reserved memory', 'Bad Linux RISCV Image magic!', 'Wrong Image Format for boot', 'ERROR: Did not find a cmdline Flattened Device Tree', 'ERROR: RD image overlaps OS image'] (timeout 00:04:35)
  428 17:11:05.276261  tftp 0xc2000000 438939/tftp-deploy-im0tkv1e/kernel/uImage
  429 17:11:05.329156  Using ethernet@5800a000 device
  430 17:11:05.329545  TFTP from server 192.168.56.193; our IP address is 192.168.56.144
  431 17:11:05.329651  Filename '438939/tftp-deploy-im0tkv1e/kernel/uImage'.
  432 17:11:05.329737  Load address: 0xc2000000
  433 17:11:06.108153  Loading: *##################################################  12 MiB
  434 17:11:06.108371  	 15.5 MiB/s
  435 17:11:06.108449  done
  436 17:11:06.111345  Bytes transferred = 12563008 (bfb240 hex)
  438 17:11:06.211943  STM32MP> tftp 0xc4400000 438939/tftp-deploy-im0tkv1e/ramdisk/ramdisk.cpio.gz.uboot
  439 17:11:06.212262  bootloader-commands: Wait for prompt ['STM32MP>', 'Resetting CPU', 'Must RESET board to recover', 'TIMEOUT', 'Retry count exceeded', 'Retry time exceeded; starting again', 'ERROR: The remote end did not respond in time.', 'File not found', 'Bad Linux ARM64 Image magic!', 'Wrong Ramdisk Image Format', 'Ramdisk image is corrupt or invalid', 'ERROR: Failed to allocate', 'TFTP error: trying to overwrite reserved memory', 'Bad Linux RISCV Image magic!', 'Wrong Image Format for boot', 'ERROR: Did not find a cmdline Flattened Device Tree', 'ERROR: RD image overlaps OS image'] (timeout 00:04:34)
  440 17:11:06.219167  tftp 0xc4400000 438939/tftp-deploy-im0tkv1e/ramdisk/ramdisk.cpio.gz.uboot
  441 17:11:06.266124  Using ethernet@5800a000 device
  442 17:11:06.266544  TFTP from server 192.168.56.193; our IP address is 192.168.56.144
  443 17:11:06.266662  Filename '438939/tftp-deploy-im0tkv1e/ramdisk/ramdisk.cpio.gz.uboot'.
  444 17:11:06.269494  Load address: 0xc4400000
  445 17:11:07.325395  Loading: *##################################################  15.4 MiB
  446 17:11:07.325616  	 14.4 MiB/s
  447 17:11:07.325711  done
  448 17:11:07.341738  Bytes transferred = 16110910 (f5d53e hex)
  450 17:11:07.442716  STM32MP> setenv initrd_size ${filesize}
  451 17:11:07.443057  bootloader-commands: Wait for prompt ['STM32MP>', '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)
  452 17:11:07.453411  setenv initrd_size ${filesize}
  454 17:11:07.554165  STM32MP> tftp 0xc4000000 438939/tftp-deploy-im0tkv1e/dtb/stm32mp157a-dhcor-avenger96.dtb
  455 17:11:07.554500  bootloader-commands: Wait for prompt ['STM32MP>', '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)
  456 17:11:07.561421  tftp 0xc4000000 438939/tftp-deploy-im0tkv1e/dtb/stm32mp157a-dhcor-avenger96.dtb
  457 17:11:07.618995  Using ethernet@5800a000 device
  458 17:11:07.619427  TFTP from server 192.168.56.193; our IP address is 192.168.56.144
  459 17:11:07.619578  Filename '438939/tftp-deploy-im0tkv1e/dtb/stm32mp157a-dhcor-avenger96.dtb'.
  460 17:11:07.619671  Load address: 0xc4000000
  461 17:11:07.619762  Loading: *##################################################  56.3 KiB
  462 17:11:07.619846  	 11 MiB/s
  463 17:11:07.619928  done
  464 17:11:07.622248  Bytes transferred = 57690 (e15a hex)
  466 17:11:07.723007  STM32MP> setenv bootargs 'console=ttySTM0,115200n8 root=/dev/nfs rw nfsroot=192.168.56.193:/var/lib/lava/dispatcher/tmp/438939/extract-nfsrootfs-zldl9k4x,tcp,hard console_msg_format=syslog earlycon deferred_probe_timeout=60 ip=dhcp'
  467 17:11:07.723393  bootloader-commands: Wait for prompt ['STM32MP>', '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 00:04:32)
  468 17:11:07.741471  setenv bootargs 'console=ttySTM0,115200n8 root=/dev/nfs rw nfsroot=192.168.56.193:/var/lib/lava/dispatcher/tmp/438939/extract-nfsrootfs-zldl9k4x,tcp,hard console_msg_format=syslog earlycon deferred_probe_timeout=60 ip=dhcp'
  470 17:11:07.842283  STM32MP> bootm 0xc2000000 0xc4400000 0xc4000000
  471 17:11:07.843189  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']
  472 17:11:07.843440  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 00:04:32)
  473 17:11:07.887650  bootm 0xc2000000 0xc4400000 0xc4000000
  474 17:11:07.887879  ## Booting kernel from Legacy Image at c2000000 ...
  475 17:11:07.927674     Image Name:   
  476 17:11:07.927953     Created:      2024-06-21  17:10:18 UTC
  477 17:11:07.928069     Image Type:   ARM Linux Kernel Image (uncompressed)
  478 17:11:07.928158     Data Size:    12562944 Bytes = 12 MiB
  479 17:11:07.928243     Load Address: c2000000
  480 17:11:07.928326     Entry Point:  c2000000
  481 17:11:08.051324     Verifying Checksum ... OK
  482 17:11:08.051625  ## Loading init Ramdisk from Legacy Image at c4400000 ...
  483 17:11:08.052111     Image Name:   
  484 17:11:08.052524     Created:      2024-06-21  17:10:31 UTC
  485 17:11:08.052996     Image Type:   ARM Linux RAMDisk Image (uncompressed)
  486 17:11:08.053251     Data Size:    16110846 Bytes = 15.4 MiB
  487 17:11:08.053395     Load Address: 00000000
  488 17:11:08.054862     Entry Point:  00000000
  489 17:11:08.230374     Verifying Checksum ... OK
  490 17:11:08.255170  ## Flattened Device Tree blob at c4000000
  491 17:11:08.255504     Booting using the fdt blob at 0xc4000000
  492 17:11:08.255607  Working FDT set to c4000000
  493 17:11:08.258567     Loading Kernel Image
  494 17:11:08.277182     Using Device Tree in place at c4000000, end c4011159
  495 17:11:08.280339  Working FDT set to c4000000
  496 17:11:08.312320  
  497 17:11:08.312515  Starting kernel ...
  498 17:11:08.312609  
  499 17:11:08.312962  end: 2.4.3 bootloader-commands (duration 00:00:18) [common]
  500 17:11:08.313112  start: 2.4.4 auto-login-action (timeout 00:04:32) [common]
  501 17:11:08.313224  Setting prompt string to ['Linux version [0-9]']
  502 17:11:08.313324  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']
  503 17:11:08.313419  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)
  504 17:11:16.208207  <6>[    0.000000] Booting Linux on physical CPU 0x0
  505 17:11:16.208614  <5>[    0.000000] Linux version 5.10.220-cip49 (KernelCI@build-j239823-arm-gcc-10-multi-v7-defconfig-kselftest-l5p54) (arm-linux-gnueabihf-gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Fri Jun 21 16:15:02 UTC 2024
  506 17:11:16.208741  <6>[    0.000000] CPU: ARMv7 Processor [410fc075] revision 5 (ARMv7), cr=10c5387d
  507 17:11:16.209101  start: 2.4.4.1 login-action (timeout 00:04:24) [common]
  508 17:11:16.209253  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.
  509 17:11:16.209360  Setting prompt string to []
  510 17:11:16.209470  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']
  511 17:11:16.209575  Using line separator: #'\n'#
  512 17:11:16.209661  No login prompt set.
  513 17:11:16.209750  Parsing kernel messages
  514 17:11:16.209834  ['-\\[ 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']
  515 17:11:16.210002  [login-action] Waiting for messages, (timeout 00:04:24)
  516 17:11:16.210095  Waiting using forced prompt support (timeout 00:02:12)
  517 17:11:16.211651  <6>[    0.000000] CPU: div instructions available: patching division code
  518 17:11:16.251580  <6>[    0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache
  519 17:11:16.251957  <6>[    0.000000] OF: fdt: Machine model: Arrow Electronics STM32MP157A Avenger96 board
  520 17:11:16.252057  <4>[    0.000000] Malformed early option 'earlycon'
  521 17:11:16.252143  <6>[    0.000000] Memory policy: Data cache writealloc
  522 17:11:16.252226  <6>[    0.000000] efi: UEFI not found.
  523 17:11:16.252306  <6>[    0.000000] cma: Reserved 64 MiB at 0xfb800000
  524 17:11:16.252387  <6>[    0.000000] Zone ranges:
  525 17:11:16.254869  <6>[    0.000000]   DMA      [mem 0x00000000c0000000-0x00000000efffffff]
  526 17:11:16.254966  <6>[    0.000000]   Normal   empty
  527 17:11:16.295205  <6>[    0.000000]   HighMem  [mem 0x00000000f0000000-0x00000000ffffefff]
  528 17:11:16.295598  <6>[    0.000000] Movable zone start for each node
  529 17:11:16.295763  <6>[    0.000000] Early memory node ranges
  530 17:11:16.295847  <6>[    0.000000]   node   0: [mem 0x00000000c0000000-0x00000000ffffefff]
  531 17:11:16.295930  <6>[    0.000000] Initmem setup node 0 [mem 0x00000000c0000000-0x00000000ffffefff]
  532 17:11:16.296013  <6>[    0.000000] psci: probing for conduit method from DT.
  533 17:11:16.296094  <6>[    0.000000] psci: PSCIv1.0 detected in firmware.
  534 17:11:16.338077  <6>[    0.000000] psci: Using standard PSCI v0.2 function IDs
  535 17:11:16.338517  <6>[    0.000000] psci: Trusted OS migration not required
  536 17:11:16.338630  <6>[    0.000000] psci: SMC Calling Convention v1.0
  537 17:11:16.338721  <6>[    0.000000] percpu: Embedded 21 pages/cpu s55468 r8192 d22356 u86016
  538 17:11:16.338809  <6>[    0.000000] Built 1 zonelists, mobility grouping on.  Total pages: 260607
  539 17:11:16.381442  <5>[    0.000000] Kernel command line: console=ttySTM0,115200n8 root=/dev/nfs rw nfsroot=192.168.56.193:/var/lib/lava/dispatcher/tmp/438939/extract-nfsrootfs-zldl9k4x,tcp,hard console_msg_format=syslog earlycon deferred_probe_timeout=60 ip=dhcp
  540 17:11:16.381895  <6>[    0.000000] Dentry cache hash table entries: 131072 (order: 7, 524288 bytes, linear)
  541 17:11:16.382018  <6>[    0.000000] Inode-cache hash table entries: 65536 (order: 6, 262144 bytes, linear)
  542 17:11:16.382109  <6>[    0.000000] mem auto-init: stack:off, heap alloc:off, heap free:off
  543 17:11:16.384900  <6>[    0.000000] Memory: 920780K/1048572K available (17408K kernel code, 2714K rwdata, 8152K rodata, 2048K init, 6693K bss, 62256K reserved, 65536K cma-reserved, 196604K highmem)
  544 17:11:16.424705  <6>[    0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=1
  545 17:11:16.425166  <6>[    0.000000] ftrace: allocating 56179 entries in 165 pages
  546 17:11:16.425280  <6>[    0.000000] ftrace: allocated 165 pages with 4 groups
  547 17:11:16.425368  <6>[    0.000000] Running RCU self tests
  548 17:11:16.425454  <6>[    0.000000] rcu: Hierarchical RCU implementation.
  549 17:11:16.425542  <6>[    0.000000] rcu: 	RCU event tracing is enabled.
  550 17:11:16.425628  <6>[    0.000000] rcu: 	RCU lockdep checking is enabled.
  551 17:11:16.428069  <6>[    0.000000] rcu: 	RCU restricting CPUs from NR_CPUS=16 to nr_cpu_ids=2.
  552 17:11:16.468006  <6>[    0.000000] 	Rude variant of Tasks RCU enabled.
  553 17:11:16.468463  <6>[    0.000000] 	Tracing variant of Tasks RCU enabled.
  554 17:11:16.468612  <6>[    0.000000] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies.
  555 17:11:16.468740  <6>[    0.000000] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2
  556 17:11:16.468865  <6>[    0.000000] NR_IRQS: 16, nr_irqs: 16, preallocated irqs: 16
  557 17:11:16.468990  <6>[    0.000000] arch_timer: cp15 timer(s) running at 24.00MHz (virt).
  558 17:11:16.511278  <6>[    0.000000] clocksource: arch_sys_counter: mask: 0xffffffffffffff max_cycles: 0x588fe9dc0, max_idle_ns: 440795202592 ns
  559 17:11:16.511734  <6>[    0.000015] sched_clock: 56 bits at 24MHz, resolution 41ns, wraps every 4398046511097ns
  560 17:11:16.511838  <6>[    0.000059] Switching to timer-based delay loop, resolution 41ns
  561 17:11:16.511930  <6>[    0.014952] Console: colour dummy device 80x30
  562 17:11:16.512058  <4>[    0.015057] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar
  563 17:11:16.512183  <4>[    0.015100] ... MAX_LOCKDEP_SUBCLASSES:  8
  564 17:11:16.512301  <4>[    0.015142] ... MAX_LOCK_DEPTH:          48
  565 17:11:16.514696  <4>[    0.015183] ... MAX_LOCKDEP_KEYS:        8192
  566 17:11:16.554545  <4>[    0.015224] ... CLASSHASH_SIZE:          4096
  567 17:11:16.554973  <4>[    0.015265] ... MAX_LOCKDEP_ENTRIES:     32768
  568 17:11:16.555083  <4>[    0.015305] ... MAX_LOCKDEP_CHAINS:      65536
  569 17:11:16.555171  <4>[    0.015345] ... CHAINHASH_SIZE:          32768
  570 17:11:16.555255  <4>[    0.015386]  memory used by lock dependency info: 4061 kB
  571 17:11:16.555339  <4>[    0.015427]  memory used for stack traces: 2112 kB
  572 17:11:16.555421  <4>[    0.015468]  per task-struct memory footprint: 1536 bytes
  573 17:11:16.597800  <6>[    0.015603] Calibrating delay loop (skipped), value calculated using timer frequency.. 48.00 BogoMIPS (lpj=240000)
  574 17:11:16.598259  <6>[    0.015681] CPU: Testing write buffer coherency: ok
  575 17:11:16.598366  <6>[    0.015906] pid_max: default: 32768 minimum: 301
  576 17:11:16.598452  <6>[    0.016394] LSM: Security Framework initializing
  577 17:11:16.598534  <6>[    0.016556] LSM support for eBPF active
  578 17:11:16.598615  <6>[    0.016749] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes, linear)
  579 17:11:16.598696  <6>[    0.016817] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes, linear)
  580 17:11:16.601284  <6>[    0.021723] CPU0: update cpu_capacity 1024
  581 17:11:16.641152  <6>[    0.021791] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000
  582 17:11:16.641581  <6>[    0.026937] Setting up static identity map for 0xc0300000 - 0xc03000ac
  583 17:11:16.641684  <6>[    0.031877] rcu: Hierarchical SRCU implementation.
  584 17:11:16.641810  <6>[    0.048628] EFI services will not be available.
  585 17:11:16.641933  <6>[    0.050021] smp: Bringing up secondary CPUs ...
  586 17:11:16.642024  <6>[    0.053937] CPU1: update cpu_capacity 1024
  587 17:11:16.642142  <6>[    0.053960] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001
  588 17:11:16.644607  <6>[    0.055447] smp: Brought up 1 node, 2 CPUs
  589 17:11:16.684398  <6>[    0.055543] SMP: Total of 2 processors activated (96.00 BogoMIPS).
  590 17:11:16.684884  <6>[    0.055585] CPU: All CPU(s) started in SVC mode.
  591 17:11:16.684998  <6>[    0.059054] devtmpfs: initialized
  592 17:11:16.685085  <6>[    0.179668] VFP support v0.3: implementor 41 architecture 2 part 30 variant 7 rev 5
  593 17:11:16.685168  <6>[    0.183177] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
  594 17:11:16.685250  <6>[    0.183295] futex hash table entries: 512 (order: 3, 32768 bytes, linear)
  595 17:11:16.687809  <6>[    0.189092] pinctrl core: initialized pinctrl subsystem
  596 17:11:16.727670  <6>[    0.199700] DMI not present or invalid.
  597 17:11:16.728157  <6>[    0.203117] NET: Registered protocol family 16
  598 17:11:16.728267  <6>[    0.216276] DMA: preallocated 256 KiB pool for atomic coherent allocations
  599 17:11:16.728353  <6>[    0.231314] thermal_sys: Registered thermal governor 'step_wise'
  600 17:11:16.728433  <6>[    0.233063] cpuidle: using governor menu
  601 17:11:16.728520  <6>[    0.233911] No ATAGs?
  602 17:11:16.728647  <6>[    0.234451] hw-breakpoint: found 5 (+1 reserved) breakpoint and 4 watchpoint registers.
  603 17:11:16.731016  <6>[    0.234561] hw-breakpoint: maximum watchpoint size is 8 bytes.
  604 17:11:16.770954  <6>[    0.247760] Serial: AMBA PL011 UART driver
  605 17:11:16.771371  <6>[    0.457267] /soc/interrupt-controller@5000d000: bank0
  606 17:11:16.771475  <6>[    0.457381] /soc/interrupt-controller@5000d000: bank1
  607 17:11:16.771600  <6>[    0.457448] /soc/interrupt-controller@5000d000: bank2
  608 17:11:16.771692  <6>[    0.488116] stm32mp157-pinctrl soc:pin-controller@50002000: GPIOA bank added
  609 17:11:16.771777  <6>[    0.494923] stm32mp157-pinctrl soc:pin-controller@50002000: GPIOB bank added
  610 17:11:16.774426  <6>[    0.501726] stm32mp157-pinctrl soc:pin-controller@50002000: GPIOC bank added
  611 17:11:16.814273  <6>[    0.508289] stm32mp157-pinctrl soc:pin-controller@50002000: GPIOD bank added
  612 17:11:16.814712  <6>[    0.514833] stm32mp157-pinctrl soc:pin-controller@50002000: GPIOE bank added
  613 17:11:16.814807  <6>[    0.521515] stm32mp157-pinctrl soc:pin-controller@50002000: GPIOF bank added
  614 17:11:16.814892  <6>[    0.528053] stm32mp157-pinctrl soc:pin-controller@50002000: GPIOG bank added
  615 17:11:16.814973  <6>[    0.534710] stm32mp157-pinctrl soc:pin-controller@50002000: GPIOH bank added
  616 17:11:16.817710  <6>[    0.541413] stm32mp157-pinctrl soc:pin-controller@50002000: GPIOI bank added
  617 17:11:16.857887  <6>[    0.542897] stm32mp157-pinctrl soc:pin-controller@50002000: Pinctrl STM32 initialized
  618 17:11:16.858026  <6>[    0.555075] stm32mp157-pinctrl soc:pin-controller-z@54004000: GPIOZ bank added
  619 17:11:16.858114  <6>[    0.555203] stm32mp157-pinctrl soc:pin-controller-z@54004000: Pinctrl STM32 initialized
  620 17:11:16.858198  <6>[    0.640662] Kprobes globally optimized
  621 17:11:16.858281  <3>[    0.682278] reg-fixed-voltage regulator-buck-io: Failed to register regulator: -517
  622 17:11:16.861144  <6>[    0.695082] iommu: Default domain type: Translated 
  623 17:11:16.861386  <6>[    0.697320] vgaarb: loaded
  624 17:11:16.900735  <5>[    0.702956] SCSI subsystem initialized
  625 17:11:16.901231  <6>[    0.706209] usbcore: registered new interface driver usbfs
  626 17:11:16.901330  <6>[    0.706683] usbcore: registered new interface driver hub
  627 17:11:16.901423  <6>[    0.707039] usbcore: registered new device driver usb
  628 17:11:16.901508  <6>[    0.712990] pps_core: LinuxPPS API ver. 1 registered
  629 17:11:16.901633  <6>[    0.713051] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@linux.it>
  630 17:11:16.901728  <6>[    0.713181] PTP clock support registered
  631 17:11:16.944131  <6>[    0.730906] clocksource: Switched to clocksource arch_sys_counter
  632 17:11:16.944568  <6>[    3.072880] NET: Registered protocol family 2
  633 17:11:16.944659  <6>[    3.073693] IP idents hash table entries: 16384 (order: 5, 131072 bytes, linear)
  634 17:11:16.944728  <6>[    3.078178] tcp_listen_portaddr_hash hash table entries: 512 (order: 2, 22528 bytes, linear)
  635 17:11:16.944791  <6>[    3.078435] TCP established hash table entries: 8192 (order: 3, 32768 bytes, linear)
  636 17:11:16.944854  <6>[    3.078742] TCP bind hash table entries: 8192 (order: 6, 327680 bytes, linear)
  637 17:11:16.987534  <6>[    3.080686] TCP: Hash tables configured (established 8192 bind 8192)
  638 17:11:16.988105  <6>[    3.082308] MPTCP token hash table entries: 1024 (order: 3, 49152 bytes, linear)
  639 17:11:16.988249  <6>[    3.082827] UDP hash table entries: 512 (order: 3, 49152 bytes, linear)
  640 17:11:16.988346  <6>[    3.083201] UDP-Lite hash table entries: 512 (order: 3, 49152 bytes, linear)
  641 17:11:16.988431  <6>[    3.084236] NET: Registered protocol family 1
  642 17:11:16.988512  <6>[    3.088774] RPC: Registered named UNIX socket transport module.
  643 17:11:16.990784  <6>[    3.088906] RPC: Registered udp transport module.
  644 17:11:17.030575  <6>[    3.088954] RPC: Registered tcp transport module.
  645 17:11:17.031083  <6>[    3.089000] RPC: Registered tcp NFSv4.1 backchannel transport module.
  646 17:11:17.031192  <6>[    3.089082] NET: Registered protocol family 44
  647 17:11:17.031279  <6>[    3.089173] PCI: CLS 0 bytes, default 64
  648 17:11:17.031361  <6>[    3.092328] Trying to unpack rootfs image as initramfs...
  649 17:11:17.031441  <6>[    5.563360] Freeing initrd memory: 15736K
  650 17:11:17.031531  <6>[    5.566175] hw perfevents: enabled with armv7_cortex_a7 PMU driver, 5 counters available
  651 17:11:17.034059  <5>[    5.575518] Initialise system trusted keyrings
  652 17:11:17.076492  <6>[    5.576925] workingset: timestamp_bits=30 max_order=18 bucket_order=0
  653 17:11:17.076771  <6>[    5.646328] squashfs: version 4.0 (2009/01/31) Phillip Lougher
  654 17:11:17.076911  <5>[    5.651709] NFS: Registering the id_resolver key type
  655 17:11:17.077090  <5>[    5.651995] Key type id_resolver registered
  656 17:11:17.077238  <5>[    5.652120] Key type id_legacy registered
  657 17:11:17.077340  <6>[    5.653035] nfs4filelayout_init: NFSv4 File Layout Driver Registering...
  658 17:11:17.077564  <6>[    5.653181] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering...
  659 17:11:17.078060  <6>[    5.653484] ntfs: driver 2.1.32 [Flags: R/O].
  660 17:11:17.117351  <5>[    5.656545] Key type asymmetric registered
  661 17:11:17.117888  <5>[    5.656760] Asymmetric key parser 'x509' registered
  662 17:11:17.118033  <6>[    5.657362] bounce: pool size: 64 pages
  663 17:11:17.118127  <6>[    5.657599] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 247)
  664 17:11:17.118211  <6>[    5.657745] io scheduler mq-deadline registered
  665 17:11:17.118334  <6>[    5.657802] io scheduler kyber registered
  666 17:11:17.118424  <4>[    5.659110] test_firmware: interface ready
  667 17:11:17.120793  <6>[    6.147446] Serial: 8250/16550 driver, 5 ports, IRQ sharing enabled
  668 17:11:17.160656  <6>[    6.169694] SuperH (H)SCI(F) driver initialized
  669 17:11:17.161160  <6>[    6.173969] msm_serial: driver initialized
  670 17:11:17.161256  <6>[    6.174809] STMicroelectronics ASC driver initialized
  671 17:11:17.161343  <6>[    6.180741] STM32 USART driver initialized
  672 17:11:17.161424  <6>[    6.184104] stm32-usart 4000e000.serial: rx dma alloc failed
  673 17:11:17.161547  <6>[    6.184174] stm32-usart 4000e000.serial: interrupt mode used for rx (no dma)
  674 17:11:17.161630  <6>[    6.184239] stm32-usart 4000e000.serial: tx dma alloc failed
  675 17:11:17.164069  <6>[    6.184287] stm32-usart 4000e000.serial: interrupt mode used for tx (no dma)
  676 17:11:17.204265  <6>[    6.184544] 4000e000.serial: ttySTM2 at MMIO 0x4000e000 (irq = 30, base_baud = 4000000) is a stm32-usart
  677 17:11:17.204533  <6>[    6.186323] serial serial0: tty port ttySTM2 registered
  678 17:11:17.204630  <6>[    6.189719] stm32-usart 40010000.serial: rx dma alloc failed
  679 17:11:17.204708  <6>[    6.189784] stm32-usart 40010000.serial: interrupt mode used for rx (no dma)
  680 17:11:17.204790  <6>[    6.189844] stm32-usart 40010000.serial: tx dma alloc failed
  681 17:11:17.207250  <6>[    6.189892] stm32-usart 40010000.serial: interrupt mode used for tx (no dma)
  682 17:11:17.252077  <6>[    6.190025] 40010000.serial: ttySTM0 at MMIO 0x40010000 (irq = 31, base_baud = 4000000) is a stm32-usart
  683 17:11:17.252245  <6>[    7.236577] printk: console [ttySTM0] enabled
  684 17:11:17.252341  <6>[    7.246648] stm32-usart 40018000.serial: rx dma alloc failed
  685 17:11:17.252425  <6>[    7.251394] stm32-usart 40018000.serial: interrupt mode used for rx (no dma)
  686 17:11:17.252507  <6>[    7.258545] stm32-usart 40018000.serial: tx dma alloc failed
  687 17:11:17.255092  <6>[    7.264589] stm32-usart 40018000.serial: interrupt mode used for tx (no dma)
  688 17:11:17.276318  <6>[    7.271964] 40018000.serial: ttySTM1 at MMIO 0x40018000 (irq = 36, base_baud = 4000000) is a stm32-usart
  689 17:11:17.309925  <5>[    7.312205] random: crng init done
  690 17:11:17.313353  <6>[    7.313329] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 0
  691 17:11:17.377210  <6>[    7.392743] brd: module loaded
  692 17:11:17.450010  <6>[    7.451623] loop: module loaded
  693 17:11:17.453397  <6>[    7.457727] lkdtm: No crash points registered, enable through debugfs
  694 17:11:17.553256  <6>[    7.532867] bgmac_bcma: Broadcom 47xx GBit MAC driver loaded
  695 17:11:17.553435  <6>[    7.541771] e1000e: Intel(R) PRO/1000 Network Driver
  696 17:11:17.553565  <6>[    7.545586] e1000e: Copyright(c) 1999 - 2015 Intel Corporation.
  697 17:11:17.553690  <6>[    7.552195] igb: Intel(R) Gigabit Ethernet Network Driver
  698 17:11:17.556388  <6>[    7.557453] igb: Copyright (c) 2007-2014 Intel Corporation.
  699 17:11:17.597668  <6>[    7.578445] stm32-dwmac 5800a000.ethernet: IRQ eth_wake_irq not found
  700 17:11:17.597827  <6>[    7.583990] stm32-dwmac 5800a000.ethernet: IRQ eth_lpi not found
  701 17:11:17.597953  <6>[    7.590999] stm32-dwmac 5800a000.ethernet: PTP uses main clock
  702 17:11:17.598076  <6>[    7.596164] stm32-dwmac 5800a000.ethernet: no reset control found
  703 17:11:17.598198  <6>[    7.605105] stm32-dwmac 5800a000.ethernet: User ID: 0x40, Synopsys ID: 0x42
  704 17:11:17.598318  <6>[    7.611130] stm32-dwmac 5800a000.ethernet: 	DWMAC4/5
  705 17:11:17.640634  <6>[    7.616180] stm32-dwmac 5800a000.ethernet: DMA HW capability register supported
  706 17:11:17.641138  <6>[    7.623857] stm32-dwmac 5800a000.ethernet: RX Checksum Offload Engine supported
  707 17:11:17.641274  <6>[    7.631427] stm32-dwmac 5800a000.ethernet: TX Checksum insertion supported
  708 17:11:17.641398  <6>[    7.638511] stm32-dwmac 5800a000.ethernet: Wake-Up On Lan supported
  709 17:11:17.641520  <6>[    7.645539] stm32-dwmac 5800a000.ethernet: TSO supported
  710 17:11:17.641610  <6>[    7.650640] stm32-dwmac 5800a000.ethernet: Enable RX Mitigation via HW Watchdog Timer
  711 17:11:17.666920  <6>[    7.658855] stm32-dwmac 5800a000.ethernet: Enabled Flow TC (entries=2)
  712 17:11:17.667360  <6>[    7.665635] stm32-dwmac 5800a000.ethernet: TSO feature enabled
  713 17:11:17.670338  <6>[    7.671740] stm32-dwmac 5800a000.ethernet: Using 32 bits DMA width
  714 17:11:17.774234  <6>[    7.755846] pegasus: v0.9.3 (2013/04/25), Pegasus/Pegasus II USB Ethernet driver
  715 17:11:17.774401  <6>[    7.762556] usbcore: registered new interface driver pegasus
  716 17:11:17.774490  <6>[    7.768364] usbcore: registered new interface driver asix
  717 17:11:17.774572  <6>[    7.774022] usbcore: registered new interface driver ax88179_178a
  718 17:11:17.774653  <6>[    7.780282] usbcore: registered new interface driver cdc_ether
  719 17:11:17.774734  <6>[    7.786578] usbcore: registered new interface driver smsc75xx
  720 17:11:17.777211  <6>[    7.792598] usbcore: registered new interface driver smsc95xx
  721 17:11:17.811038  <6>[    7.798428] usbcore: registered new interface driver net1080
  722 17:11:17.811213  <6>[    7.804512] usbcore: registered new interface driver cdc_subset
  723 17:11:17.811340  <6>[    7.810556] usbcore: registered new interface driver zaurus
  724 17:11:17.813984  <6>[    7.816677] usbcore: registered new interface driver cdc_ncm
  725 17:11:17.855169  <6>[    7.834249] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
  726 17:11:17.855867  <6>[    7.839774] ehci-pci: EHCI PCI platform driver
  727 17:11:17.855988  <6>[    7.844808] ehci-platform: EHCI generic platform driver
  728 17:11:17.856112  <6>[    7.852097] ehci-orion: EHCI orion driver
  729 17:11:17.856238  <6>[    7.855785] SPEAr-ehci: EHCI SPEAr driver
  730 17:11:17.856329  <6>[    7.859921] ehci-st: EHCI STMicroelectronics driver
  731 17:11:17.856443  <6>[    7.865237] ehci-exynos: EHCI Exynos driver
  732 17:11:17.856563  <6>[    7.869511] ehci-atmel: EHCI Atmel driver
  733 17:11:17.858413  <6>[    7.873900] tegra-ehci: Tegra EHCI driver
  734 17:11:17.905004  <6>[    7.878080] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
  735 17:11:17.905556  <6>[    7.884033] ohci-pci: OHCI PCI platform driver
  736 17:11:17.905656  <6>[    7.888828] ohci-platform: OHCI generic platform driver
  737 17:11:17.905744  <6>[    7.894915] SPEAr-ohci: OHCI SPEAr driver
  738 17:11:17.905828  <6>[    7.899010] ohci-st: OHCI STMicroelectronics driver
  739 17:11:17.905911  <6>[    7.904260] ohci-atmel: OHCI Atmel driver
  740 17:11:17.908301  <6>[    7.911453] usbcore: registered new interface driver usb-storage
  741 17:11:17.971281  <3>[    7.938853] stm32_rtc 5c004000.rtc: IRQ index 1 not found
  742 17:11:17.971424  <4>[    7.943206] stm32_rtc 5c004000.rtc: alarm can't wake up the system: -6
  743 17:11:17.971521  <6>[    7.955260] stm32_rtc 5c004000.rtc: registered as rtc0
  744 17:11:17.971605  <6>[    7.959411] stm32_rtc 5c004000.rtc: setting system clock to 2000-01-01T00:00:28 UTC (946684828)
  745 17:11:17.971729  <4>[    7.969715] stm32_rtc 5c004000.rtc: Date/Time must be initialized
  746 17:11:17.971854  <6>[    7.974788] stm32_rtc 5c004000.rtc: registered rev:1.2
  747 17:11:17.974425  <6>[    7.985994] i2c /dev entries driver
  748 17:11:18.021294  <6>[    8.023028] stm32f7-i2c 40012000.i2c: STM32F7 I2C-0 bus adapter
  749 17:11:18.053181  <6>[    8.054658] stm32f7-i2c 40013000.i2c: STM32F7 I2C-1 bus adapter
  750 17:11:18.085246  <6>[    8.096025] stpmic1 2-0033: PMIC Chip Version: 0x10
  751 17:11:18.177960  <6>[    8.125802] vddcore: supplied by regulator-dummy
  752 17:11:18.178447  <6>[    8.136142] vdd_ddr: supplied by regulator-dummy
  753 17:11:18.178543  <6>[    8.145738] vdd: supplied by regulator-dummy
  754 17:11:18.178627  <6>[    8.154949] v3v3: supplied by regulator-dummy
  755 17:11:18.178708  <6>[    8.163356] vdda: Bringing 1800000uV into 2900000-2900000uV
  756 17:11:18.178791  <6>[    8.170478] vdda: supplied by v3v3
  757 17:11:18.178872  <6>[    8.178757] v2v8: Bringing 1800000uV into 2800000-2800000uV
  758 17:11:18.178953  <6>[    8.185943] v2v8: supplied by v3v3
  759 17:11:18.181398  <6>[    8.192203] vtt_ddr: supplied by vdd_ddr
  760 17:11:18.248906  <6>[    8.202351] vdd_usb: supplied by regulator-dummy
  761 17:11:18.249413  <6>[    8.208869] vdd_sd: supplied by v3v3
  762 17:11:18.249509  <6>[    8.218312] v1v8: Bringing 1000000uV into 1800000-1800000uV
  763 17:11:18.249593  <6>[    8.225415] v1v8: supplied by v3v3
  764 17:11:18.249674  <6>[    8.230400] vref_ddr: supplied by regulator-dummy
  765 17:11:18.249754  <6>[    8.241990] bst_out: supplied by regulator-dummy
  766 17:11:18.249835  <6>[    8.249877] vbus_otg: supplied by bst_out
  767 17:11:18.252364  <6>[    8.257352] vbus_sw: supplied by bst_out
  768 17:11:18.306185  <6>[    8.277597] input: pmic_onkey as /devices/platform/soc/5c002000.i2c/i2c-2/2-0033/5c002000.i2c:stpmic@33:onkey/input/input0
  769 17:11:18.306358  <4>[    8.297141] at24 2-0053: supply vcc not found, using dummy regulator
  770 17:11:18.306457  <6>[    8.306799] at24 2-0053: 256 byte 24c02 EEPROM, writable, 16 bytes/write
  771 17:11:18.309326  <6>[    8.313104] stm32f7-i2c 5c002000.i2c: STM32F7 I2C-2 bus adapter
  772 17:11:18.352133  <6>[    8.353937] stm_thermal 50028000.thermal: stm_thermal_probe: Driver initialized successfully
  773 17:11:18.427723  <6>[    8.394228] sdhci: Secure Digital Host Controller Interface driver
  774 17:11:18.428031  <6>[    8.399281] sdhci: Copyright(c) Pierre Ossman
  775 17:11:18.428136  <6>[    8.412285] mmci-pl18x 58005000.sdmmc: Got CD GPIO
  776 17:11:18.428215  <6>[    8.414040] Synopsys Designware Multimedia Card Interface Driver
  777 17:11:18.428296  <6>[    8.421764] mmci-pl18x 48004000.sdmmc: mmc1: PL180 manf 53 rev1 at 0x48004000 irq 56,0 (pio)
  778 17:11:18.428377  <6>[    8.428727] sdhci-pltfm: SDHCI platform and OF driver helper
  779 17:11:18.465009  <6>[    8.446491] mmci-pl18x 58005000.sdmmc: mmc0: PL180 manf 53 rev1 at 0x58005000 irq 61,0 (pio)
  780 17:11:18.465557  <6>[    8.459194] ledtrig-cpu: registered to indicate activity on CPUs
  781 17:11:18.465650  <6>[    8.468046] usbcore: registered new interface driver usbhid
  782 17:11:18.468412  <6>[    8.472719] usbhid: USB HID core driver
  783 17:11:18.522606  <4>[    8.497027] mmc1: queuing unknown CIS tuple 0x80 (2 bytes)
  784 17:11:18.522788  <6>[    8.499975] ipip: IPv4 and MPLS over IPv4 tunneling driver
  785 17:11:18.522876  <4>[    8.503928] mmc1: queuing unknown CIS tuple 0x80 (3 bytes)
  786 17:11:18.522958  <6>[    8.510533] IPv4 over IPsec tunneling driver
  787 17:11:18.523038  <4>[    8.520506] mmc1: queuing unknown CIS tuple 0x80 (3 bytes)
  788 17:11:18.523113  <6>[    8.524869] NET: Registered protocol family 10
  789 17:11:18.523192  <6>[    8.535491] Segment Routing with IPv6
  790 17:11:18.525694  <4>[    8.535914] mmc1: queuing unknown CIS tuple 0x80 (7 bytes)
  791 17:11:18.576268  <6>[    8.546530] NET: Registered protocol family 17
  792 17:11:18.576784  <4>[    8.549719] mmc1: queuing unknown CIS tuple 0x80 (6 bytes)
  793 17:11:18.576917  <6>[    8.556556] 8021q: 802.1Q VLAN Support v1.8
  794 17:11:18.577040  <5>[    8.561444] Key type dns_resolver registered
  795 17:11:18.577163  <6>[    8.564806] ThumbEE CPU extension supported.
  796 17:11:18.577285  <5>[    8.569191] Registering SWP/SWPB emulation handler
  797 17:11:18.577407  <5>[    8.576306] Loading compiled-in X.509 certificates
  798 17:11:18.577527  <6>[    8.586928] mmc0: new high speed SDXC card at address e624
  799 17:11:18.579665  <6>[    8.596997] mmcblk0: mmc0:e624 SD64G 59.5 GiB 
  800 17:11:18.658224  <4>[    8.641347] GPT:Primary header thinks Alt. header is not at the end of the disk.
  801 17:11:18.658402  <4>[    8.647773] GPT:3204245 != 124735487
  802 17:11:18.658530  <4>[    8.651803] GPT:Alternate GPT header not at the end of the disk.
  803 17:11:18.658654  <4>[    8.657869] GPT:3204245 != 124735487
  804 17:11:18.658778  <4>[    8.661773] GPT: Use GNU Parted to correct GPT errors.
  805 17:11:18.661336  <6>[    8.667230]  mmcblk0: p1 p2 p3 p4
  806 17:11:18.709207  <6>[    8.713743] mmc1: new high speed SDIO card at address 0001
  807 17:11:18.831940  <6>[    8.822120] stm32-dma 48000000.dma-controller: STM32 DMA driver registered
  808 17:11:18.835211  <6>[    8.838631] stm32-dma 48001000.dma-controller: STM32 DMA driver registered
  809 17:11:18.897227  <6>[    8.864309] stm32-mdma 58000000.dma-controller: STM32 MDMA driver registered
  810 17:11:18.897353  <6>[    8.874067] buck-io: supplied by vdd
  811 17:11:18.897439  <6>[    8.879272] usb33: supplied by vdd_usb
  812 17:11:18.897521  <6>[    8.890267] reg11: supplied by buck-io
  813 17:11:18.897601  <6>[    8.895064] reg18: supplied by buck-io
  814 17:11:18.900364  <6>[    8.903067] stm32-usbphyc 5a006000.usbphyc: registered rev:1.0
  815 17:11:18.932154  <6>[    8.942110] spi-nor spi0.0: w25q16dw (2048 Kbytes)
  816 17:11:18.976237  <4>[    8.974968] dwc2 49000000.usb-otg: supply vusb_d not found, using dummy regulator
  817 17:11:18.979195  <4>[    8.982840] dwc2 49000000.usb-otg: supply vusb_a not found, using dummy regulator
  818 17:11:19.163193  <6>[    9.129848] dwc2 49000000.usb-otg: EPs: 9, dedicated fifos, 952 entries in SPRAM
  819 17:11:19.163395  <6>[    9.140250] dwc2 49000000.usb-otg: DWC OTG Controller
  820 17:11:19.163534  <6>[    9.144936] dwc2 49000000.usb-otg: new USB bus registered, assigned bus number 1
  821 17:11:19.163657  <6>[    9.152160] dwc2 49000000.usb-otg: irq 57, io mem 0x49000000
  822 17:11:19.163780  <6>[    9.167262] hub 1-0:1.0: USB hub found
  823 17:11:19.166292  <6>[    9.170570] hub 1-0:1.0: 1 port detected
  824 17:11:19.210896  <6>[    9.200272] ehci-platform 5800d000.usbh-ehci: EHCI Host Controller
  825 17:11:19.211380  <6>[    9.205633] ehci-platform 5800d000.usbh-ehci: new USB bus registered, assigned bus number 2
  826 17:11:19.214316  <6>[    9.215362] ehci-platform 5800d000.usbh-ehci: irq 64, io mem 0x5800d000
  827 17:11:19.257906  <6>[    9.251079] ehci-platform 5800d000.usbh-ehci: USB 2.0 started, EHCI 1.00
  828 17:11:19.258394  <6>[    9.263208] hub 2-0:1.0: USB hub found
  829 17:11:19.261333  <6>[    9.266154] hub 2-0:1.0: 2 ports detected
  830 17:11:19.286227  <6>[    9.287558] mmci-pl18x 58007000.sdmmc: mmc2: PL180 manf 53 rev1 at 0x58007000 irq 62,0 (pio)
  831 17:11:19.451636  <6>[    9.428794] stm32-dwmac 5800a000.ethernet eth0: PHY [stmmac-0:07] driver [Micrel KSZ9031 Gigabit PHY] (irq=POLL)
  832 17:11:19.451781  <6>[    9.444286] dwmac4: Master AXI performs any burst length
  833 17:11:19.451873  <6>[    9.444419] mmc2: new DDR MMC card at address 0001
  834 17:11:19.451957  <6>[    9.448475] stm32-dwmac 5800a000.ethernet eth0: No Safety Features support found
  835 17:11:19.452040  <6>[    9.456766] mmcblk2: mmc2:0001 DG4008 7.28 GiB 
  836 17:11:19.454735  <6>[    9.467008] mmcblk2boot0: mmc2:0001 DG4008 partition 1 4.00 MiB
  837 17:11:19.473919  <6>[    9.473361] mmcblk2boot1: mmc2:0001 DG4008 partition 2 4.00 MiB
  838 17:11:19.477345  <6>[    9.481766] mmcblk2rpmb: mmc2:0001 DG4008 partition 3 4.00 MiB, chardev (235:0)
  839 17:11:19.519247  <4>[    9.501883] GPT:Primary header thinks Alt. header is not at the end of the disk.
  840 17:11:19.519414  <4>[    9.508168] GPT:3145727 != 15273599
  841 17:11:19.519550  <4>[    9.512034] GPT:Alternate GPT header not at the end of the disk.
  842 17:11:19.519675  <4>[    9.518200] GPT:3145727 != 15273599
  843 17:11:19.519766  <4>[    9.522002] GPT: Use GNU Parted to correct GPT errors.
  844 17:11:19.522377  <6>[    9.527463]  mmcblk2: p1 p2 p3 p4
  845 17:11:19.694415  <6>[    9.661377] stm32-dwmac 5800a000.ethernet eth0: IEEE 1588-2008 Advanced Timestamp supported
  846 17:11:19.694636  <6>[    9.671861] stm32-dwmac 5800a000.ethernet eth0: registered PTP clock
  847 17:11:19.694726  <6>[    9.683704] stm32-dwmac 5800a000.ethernet eth0: configuring for phy/rgmii link mode
  848 17:11:19.694811  <6>[    9.695056] 8021q: adding VLAN 0 to HW filter on device eth0
  849 17:11:19.699932  <4>[    9.699625] stm32-dwmac 5800a000.ethernet eth0: Adding VLAN ID 0 is not supported
  850 17:11:19.740236  <6>[    9.741024] usb 2-1: new high-speed USB device number 2 using ehci-platform
  851 17:11:19.943901  <6>[    9.947970] hub 2-1:1.0: USB hub found
  852 17:11:19.947180  <6>[    9.951432] hub 2-1:1.0: 3 ports detected
  853 17:11:26.986065  <6>[   16.984613] stm32-dwmac 5800a000.ethernet eth0: Link is Up - 1Gbps/Full - flow control off
  854 17:11:26.988781  <6>[   16.992651] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
  855 17:11:33.388435  <5>[   17.022642] Sending DHCP requests ..., OK
  856 17:11:33.388995  <6>[   23.374216] IP-Config: Got DHCP answer from 192.168.56.254, my address is 192.168.56.144
  857 17:11:33.389108  <6>[   23.382432] IP-Config: Complete:
  858 17:11:33.389195  <6>[   23.385808]      device=eth0, hwaddr=80:1f:12:cc:2a:a4, ipaddr=192.168.56.144, mask=255.255.255.0, gw=192.168.56.254
  859 17:11:33.389281  <6>[   23.396756]      host=192.168.56.144, domain=mayfield.sirena.org.uk, nis-domain=(none)
  860 17:11:33.391554  <6>[   23.404908]      bootserver=192.168.56.254, rootserver=192.168.56.193, rootpath=
  861 17:11:33.415139  <6>[   23.404938]      nameserver0=192.168.56.254
  862 17:11:33.415700  <6>[   23.416968]      ntpserver0=50.205.244.22, ntpserver1=85.199.214.99
  863 17:11:33.418189  <6>[   23.424755] clk: Disabling unused clocks
  864 17:11:33.498563  <6>[   23.511555] Freeing unused kernel memory: 2048K
  865 17:11:33.514638  <6>[   23.522148] Run /init as init process
  866 17:11:33.578724  Loading, please wait...
  867 17:11:33.754159  Starting systemd-udevd version 252.22-1~deb12u1
  868 17:11:44.059222  <6>[   34.042385] Bluetooth: Core ver 2.22
  869 17:11:44.060593  <6>[   34.045130] NET: Registered protocol family 31
  870 17:11:44.060779  <6>[   34.049540] Bluetooth: HCI device and connection manager initialized
  871 17:11:44.060870  <6>[   34.056666] Bluetooth: HCI socket layer initialized
  872 17:11:44.060954  <6>[   34.061529] Bluetooth: L2CAP socket layer initialized
  873 17:11:44.062776  <6>[   34.067090] Bluetooth: SCO socket layer initialized
  874 17:11:44.144275  <6>[   34.130528] Bluetooth: HCI UART driver ver 2.3
  875 17:11:44.144852  <6>[   34.134167] Bluetooth: HCI UART protocol H4 registered
  876 17:11:44.144959  <6>[   34.140643] Bluetooth: HCI UART protocol Broadcom registered
  877 17:11:44.147482  <4>[   34.143781] hci_uart_bcm serial0-0: supply vbat not found, using dummy regulator
  878 17:11:44.184424  <4>[   34.183285] hci_uart_bcm serial0-0: supply vddio not found, using dummy regulator
  879 17:11:44.333593  <5>[   34.332974] cfg80211: Loading compiled-in X.509 certificates for regulatory database
  880 17:11:44.682021  <6>[   34.655305] etnaviv etnaviv: bound 59000000.gpu (ops gpu_ops [etnaviv])
  881 17:11:44.682568  <6>[   34.661236] etnaviv-gpu 59000000.gpu: model: GC400, revision: 4652
  882 17:11:44.682685  <6>[   34.669873] Bluetooth: hci0: BCM: chip id 107
  883 17:11:44.682776  <6>[   34.674873] Bluetooth: hci0: BCM: features 0x2f
  884 17:11:44.682860  <6>[   34.680708] Bluetooth: hci0: BCM4345C0
  885 17:11:44.682943  <6>[   34.683583] Bluetooth: hci0: BCM4345C0 (003.001.025) build 0000
  886 17:11:44.683025  <3>[   34.692976] Bluetooth: hci0: BCM: firmware Patch file not found, tried:
  887 17:11:44.685417  <3>[   34.698569] Bluetooth: hci0: BCM: 'brcm/BCM4345C0.hcd'
  888 17:11:44.700382  <3>[   34.704023] Bluetooth: hci0: BCM: 'brcm/BCM.hcd'
  889 17:11:44.780339  <6>[   34.783730] etnaviv-gpu 59000000.gpu: Need to move linear window on MC1.0, disabling TS
  890 17:11:44.865409  <6>[   34.864925] [drm] Initialized etnaviv 1.4.0 20151214 for etnaviv on minor 1
  891 17:11:45.094516  <5>[   35.071360] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7'
  892 17:11:45.094661  <5>[   35.080337] cfg80211: Loaded X.509 cert 'wens: 61c038651aabdcf94bd0ac7ff06c7248db18c600'
  893 17:11:45.094751  <4>[   35.091789] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2
  894 17:11:45.096876  <6>[   35.099621] cfg80211: failed to load regulatory.db
  895 17:11:45.336480  <6>[   35.324978] brcmfmac: brcmf_fw_alloc_request: using brcm/brcmfmac43455-sdio for chip BCM4345/6
  896 17:11:45.339580  <4>[   35.335782] brcmfmac mmc1:0001:1: Direct firmware load for brcm/brcmfmac43455-sdio.bin failed with error -2
  897 17:11:45.657512  <6>[   35.641812] [drm] Initialized stm 1.0.0 20170330 for 5a001000.display-controller on minor 2
  898 17:11:45.660656  <6>[   35.659151] stm32-display 5a001000.display-controller: [drm] Cannot find any crtc or sizes
  899 17:11:45.752503  <6>[   35.754022] stm32-display 5a001000.display-controller: [drm] Cannot find any crtc or sizes
  900 17:11:46.370557  <3>[   36.371593] brcmfmac: brcmf_sdio_htclk: HT Avail timeout (1000000): clkctl 0x50
  901 17:11:48.321021  Begin: Loading essential drivers ... done.
  902 17:11:48.321605  Begin: Running /scripts/init-premount ... done.
  903 17:11:48.321707  Begin: Mounting root file system ... Begin: Running /scripts/nfs-top ... done.
  904 17:11:48.324364  Begin: Running /scripts/nfs-premount ... Waiting up to 60 secs for any ethernet to become available
  905 17:11:48.340263  Device /sys/class/net/eth0 found
  906 17:11:48.340380  done.
  907 17:11:48.483991  Begin: Waiting up to 180 secs for any network device to become available ... done.
  908 17:11:48.627712  IP-Config: eth0 hardware address 80:1f:12:cc:2a:a4 mtu 1500 DHCP
  909 17:11:48.747987  IP-Config: eth0 complete (dhcp from 192.168.56.254):
  910 17:11:48.748463   address: 192.168.56.144   broadcast: 192.168.56.255   netmask: 255.255.255.0   
  911 17:11:48.748575   gateway: 192.168.56.254   dns0     : 192.168.56.254   dns1   : 0.0.0.0         
  912 17:11:48.748667   domain : mayfield.sirena.org.uk                                          
  913 17:11:48.748750   rootserver: 192.168.56.254 rootpath: 
  914 17:11:48.751456   filename  : 
  915 17:11:48.847181  done.
  916 17:11:48.879183  Begin: Running /scripts/nfs-bottom ... done.
  917 17:11:48.991125  Begin: Running /scripts/init-bottom ... done.
  918 17:11:50.671088  <30>[   40.675037] systemd[1]: System time before build time, advancing clock.
  919 17:11:51.704380  <30>[   41.673919] systemd[1]: systemd 252.22-1~deb12u1 running in system mode (+PAM +AUDIT +SELINUX +APPARMOR +IMA +SMACK +SECCOMP +GCRYPT -GNUTLS +OPENSSL +ACL +BLKID +CURL +ELFUTILS +FIDO2 +IDN2 -IDN +IPTC +KMOD +LIBCRYPTSETUP +LIBFDISK +PCRE2 -PWQUALITY +P11KIT +QRENCODE +TPM2 +BZIP2 +LZ4 +XZ +ZLIB +ZSTD -BPF_FRAMEWORK -XKBCOMMON +UTMP +SYSVINIT default-hierarchy=unified)
  920 17:11:51.707094  <30>[   41.709528] systemd[1]: Detected architecture arm.
  921 17:11:52.379169  
  922 17:11:52.379396  Welcome to [1mDebian GNU/Linux 12 (bookworm)[0m!
  923 17:11:52.379499  
  924 17:11:52.428957  <30>[   42.432702] systemd[1]: Hostname set to <debian-bookworm-armhf>.
  925 17:11:55.962157  <30>[   45.963289] systemd[1]: Queued start job for default target graphical.target.
  926 17:11:55.996234  <30>[   45.990510] systemd[1]: Created slice system-getty.slice - Slice /system/getty.
  927 17:11:55.999176  [[0;32m  OK  [0m] Created slice [0;1;39msystem-getty.slice[0m - Slice /system/getty.
  928 17:11:56.046288  <30>[   46.037362] systemd[1]: Created slice system-modprobe.slice - Slice /system/modprobe.
  929 17:11:56.049360  [[0;32m  OK  [0m] Created slice [0;1;39msystem-modpr…lice[0m - Slice /system/modprobe.
  930 17:11:56.096211  <30>[   46.087283] systemd[1]: Created slice system-serial\x2dgetty.slice - Slice /system/serial-getty.
  931 17:11:56.099154  [[0;32m  OK  [0m] Created slice [0;1;39msystem-seria…[0m - Slice /system/serial-getty.
  932 17:11:56.141480  <30>[   46.135834] systemd[1]: Created slice user.slice - User and Session Slice.
  933 17:11:56.144288  [[0;32m  OK  [0m] Created slice [0;1;39muser.slice[0m - User and Session Slice.
  934 17:11:56.194327  <30>[   46.185225] systemd[1]: Started systemd-ask-password-console.path - Dispatch Password Requests to Console Directory Watch.
  935 17:11:56.197366  [[0;32m  OK  [0m] Started [0;1;39msystemd-ask-passwo…quests to Console Directory Watch.
  936 17:11:56.244204  <30>[   46.233920] systemd[1]: Started systemd-ask-password-wall.path - Forward Password Requests to Wall Directory Watch.
  937 17:11:56.247047  [[0;32m  OK  [0m] Started [0;1;39msystemd-ask-passwo… Requests to Wall Directory Watch.
  938 17:11:56.305250  <30>[   46.282557] systemd[1]: proc-sys-fs-binfmt_misc.automount - Arbitrary Executable File Formats File System Automount Point was skipped because of an unmet condition check (ConditionPathExists=/proc/sys/fs/binfmt_misc).
  939 17:11:56.305504  <30>[   46.301779] systemd[1]: Expecting device dev-ttySTM0.device - /dev/ttySTM0...
  940 17:11:56.308357           Expecting device [0;1;39mdev-ttySTM0.device[0m - /dev/ttySTM0...
  941 17:11:56.349920  <30>[   46.341677] systemd[1]: Reached target cryptsetup.target - Local Encrypted Volumes.
  942 17:11:56.353322  [[0;32m  OK  [0m] Reached target [0;1;39mcryptsetup.…get[0m - Local Encrypted Volumes.
  943 17:11:56.391258  <30>[   46.381970] systemd[1]: Reached target integritysetup.target - Local Integrity Protected Volumes.
  944 17:11:56.394156  [[0;32m  OK  [0m] Reached target [0;1;39mintegrityse…Local Integrity Protected Volumes.
  945 17:11:56.436189  <30>[   46.432002] systemd[1]: Reached target paths.target - Path Units.
  946 17:11:56.439141  [[0;32m  OK  [0m] Reached target [0;1;39mpaths.target[0m - Path Units.
  947 17:11:56.475382  <30>[   46.471773] systemd[1]: Reached target remote-fs.target - Remote File Systems.
  948 17:11:56.478405  [[0;32m  OK  [0m] Reached target [0;1;39mremote-fs.target[0m - Remote File Systems.
  949 17:11:56.513920  <30>[   46.511697] systemd[1]: Reached target slices.target - Slice Units.
  950 17:11:56.517337  [[0;32m  OK  [0m] Reached target [0;1;39mslices.target[0m - Slice Units.
  951 17:11:56.552947  <30>[   46.551928] systemd[1]: Reached target swap.target - Swaps.
  952 17:11:56.556271  [[0;32m  OK  [0m] Reached target [0;1;39mswap.target[0m - Swaps.
  953 17:11:56.598267  <30>[   46.591907] systemd[1]: Reached target veritysetup.target - Local Verity Protected Volumes.
  954 17:11:56.601341  [[0;32m  OK  [0m] Reached target [0;1;39mveritysetup… - Local Verity Protected Volumes.
  955 17:11:56.642874  <30>[   46.634393] systemd[1]: Listening on systemd-initctl.socket - initctl Compatibility Named Pipe.
  956 17:11:56.646298  [[0;32m  OK  [0m] Listening on [0;1;39msystemd-initc… initctl Compatibility Named Pipe.
  957 17:11:56.780293  <30>[   46.753486] systemd[1]: systemd-journald-audit.socket - Journal Audit Socket was skipped because of an unmet condition check (ConditionSecurity=audit).
  958 17:11:56.780483  <30>[   46.774565] systemd[1]: Listening on systemd-journald-dev-log.socket - Journal Socket (/dev/log).
  959 17:11:56.783089  [[0;32m  OK  [0m] Listening on [0;1;39msystemd-journ…t[0m - Journal Socket (/dev/log).
  960 17:11:56.831235  <30>[   46.827067] systemd[1]: Listening on systemd-journald.socket - Journal Socket.
  961 17:11:56.834088  [[0;32m  OK  [0m] Listening on [0;1;39msystemd-journald.socket[0m - Journal Socket.
  962 17:11:56.886244  <30>[   46.877113] systemd[1]: Listening on systemd-networkd.socket - Network Service Netlink Socket.
  963 17:11:56.889320  [[0;32m  OK  [0m] Listening on [0;1;39msystemd-netwo… - Network Service Netlink Socket.
  964 17:11:56.940235  <30>[   46.931255] systemd[1]: Listening on systemd-udevd-control.socket - udev Control Socket.
  965 17:11:56.940422  [[0;32m  OK  [0m] Listening on [0;1;39msystemd-udevd….socket[0m - udev Control Socket.
  966 17:11:56.984240  <30>[   46.975331] systemd[1]: Listening on systemd-udevd-kernel.socket - udev Kernel Socket.
  967 17:11:56.987240  [[0;32m  OK  [0m] Listening on [0;1;39msystemd-udevd…l.socket[0m - udev Kernel Socket.
  968 17:11:57.043194  <30>[   47.024549] systemd[1]: dev-hugepages.mount - Huge Pages File System was skipped because of an unmet condition check (ConditionPathExists=/sys/kernel/mm/hugepages).
  969 17:11:57.046345  <30>[   47.040361] systemd[1]: dev-mqueue.mount - POSIX Message Queue File System was skipped because of an unmet condition check (ConditionPathExists=/proc/sys/fs/mqueue).
  970 17:11:57.076249  <30>[   47.072819] systemd[1]: Mounting sys-kernel-debug.mount - Kernel Debug File System...
  971 17:11:57.079189           Mounting [0;1;39msys-kernel-debug.…[0m - Kernel Debug File System...
  972 17:11:57.139221  <30>[   47.131995] systemd[1]: Mounting sys-kernel-tracing.mount - Kernel Trace File System...
  973 17:11:57.142235           Mounting [0;1;39msys-kernel-tracin…[0m - Kernel Trace File System...
  974 17:11:57.231182  <30>[   47.232662] systemd[1]: Starting kmod-static-nodes.service - Create List of Static Device Nodes...
  975 17:11:57.262142           Starting [0;1;39mkmod-static-nodes…ate List of Static Device Nodes...
  976 17:11:57.302865  <30>[   47.304136] systemd[1]: Starting modprobe@configfs.service - Load Kernel Module configfs...
  977 17:11:57.333315           Starting [0;1;39mmodprobe@configfs…m - Load Kernel Module configfs...
  978 17:11:57.380276  <30>[   47.371615] systemd[1]: Starting modprobe@dm_mod.service - Load Kernel Module dm_mod...
  979 17:11:57.383217           Starting [0;1;39mmodprobe@dm_mod.s…[0m - Load Kernel Module dm_mod...
  980 17:11:57.444824  <30>[   47.433888] systemd[1]: Starting modprobe@drm.service - Load Kernel Module drm...
  981 17:11:57.448175           Starting [0;1;39mmodprobe@drm.service[0m - Load Kernel Module drm...
  982 17:11:57.498219  <30>[   47.487538] systemd[1]: Starting modprobe@efi_pstore.service - Load Kernel Module efi_pstore...
  983 17:11:57.501091           Starting [0;1;39mmodprobe@efi_psto…- Load Kernel Module efi_pstore...
  984 17:11:57.572220  <30>[   47.573542] systemd[1]: Starting modprobe@fuse.service - Load Kernel Module fuse...
  985 17:11:57.597259           Starting [0;1;39mmodprobe@fuse.ser…e[0m - Load Kernel Module fuse...
  986 17:11:57.651112  <30>[   47.652119] systemd[1]: Starting modprobe@loop.service - Load Kernel Module loop...
  987 17:11:57.672188           Starting [0;1;39mmodprobe@loop.ser…e[0m - Load Kernel Module loop...
  988 17:11:57.721999  <30>[   47.718077] systemd[1]: Starting systemd-journald.service - Journal Service...
  989 17:11:57.724891           Starting [0;1;39msystemd-journald.service[0m - Journal Service...
  990 17:11:58.925065  <6>[   48.943014] fuse: init (API version 7.32)
  991 17:11:58.969113  <30>[   48.961455] systemd[1]: Starting systemd-modules-load.service - Load Kernel Modules...
  992 17:11:58.972195           Starting [0;1;39msystemd-modules-l…rvice[0m - Load Kernel Modules...
  993 17:11:59.009187  <30>[   49.006210] systemd[1]: Starting systemd-network-generator.service - Generate network units from Kernel command line...
  994 17:11:59.030332           Starting [0;1;39msystemd-network-g… units from Kernel command line...
  995 17:11:59.091264  <30>[   49.092720] systemd[1]: Starting systemd-remount-fs.service - Remount Root and Kernel File Systems...
  996 17:11:59.114157           Starting [0;1;39msystemd-remount-f…nt Root and Kernel File Systems...
  997 17:11:59.183098  <30>[   49.183241] systemd[1]: Starting systemd-udev-trigger.service - Coldplug All udev Devices...
  998 17:11:59.230906           Starting [0;1;39msystemd-udev-trig…[0m - Coldplug All udev Devices...
  999 17:11:59.375357  <30>[   49.375867] systemd[1]: Mounted sys-kernel-debug.mount - Kernel Debug File System.
 1000 17:11:59.403991  [[0;32m  OK  [0m] Mounted [0;1;39msys-kernel-debug.m…nt[0m - Kernel Debug File System.
 1001 17:11:59.446079  <30>[   49.446895] systemd[1]: Mounted sys-kernel-tracing.mount - Kernel Trace File System.
 1002 17:11:59.473917  [[0;32m  OK  [0m] Mounted [0;1;39msys-kernel-tracing…nt[0m - Kernel Trace File System.
 1003 17:11:59.579064  <30>[   49.580069] systemd[1]: Finished kmod-static-nodes.service - Create List of Static Device Nodes.
 1004 17:11:59.604136  [[0;32m  OK  [0m] Finished [0;1;39mkmod-static-nodes…reate List of Static Device Nodes.
 1005 17:11:59.787069  <30>[   49.788195] systemd[1]: modprobe@configfs.service: Deactivated successfully.
 1006 17:11:59.852037  <30>[   49.841994] systemd[1]: Finished modprobe@configfs.service - Load Kernel Module configfs.
 1007 17:11:59.855099  [[0;32m  OK  [0m] Finished [0;1;39mmodprobe@configfs…[0m - Load Kernel Module configfs.
 1008 17:11:59.911024  <30>[   49.912256] systemd[1]: modprobe@dm_mod.service: Deactivated successfully.
 1009 17:11:59.933982  <30>[   49.935415] systemd[1]: Finished modprobe@dm_mod.service - Load Kernel Module dm_mod.
 1010 17:11:59.954929  [[0;32m  OK  [0m] Finished [0;1;39mmodprobe@dm_mod.s…e[0m - Load Kernel Module dm_mod.
 1011 17:12:00.012062  <30>[   50.013286] systemd[1]: modprobe@drm.service: Deactivated successfully.
 1012 17:12:00.032987  <30>[   50.034719] systemd[1]: Finished modprobe@drm.service - Load Kernel Module drm.
 1013 17:12:00.053905  [[0;32m  OK  [0m] Finished [0;1;39mmodprobe@drm.service[0m - Load Kernel Module drm.
 1014 17:12:00.112012  <30>[   50.113039] systemd[1]: modprobe@efi_pstore.service: Deactivated successfully.
 1015 17:12:00.134177  <30>[   50.135585] systemd[1]: Finished modprobe@efi_pstore.service - Load Kernel Module efi_pstore.
 1016 17:12:00.154835  [[0;32m  OK  [0m] Finished [0;1;39mmodprobe@efi_psto…m - Load Kernel Module efi_pstore.
 1017 17:12:00.180788  <30>[   50.182431] systemd[1]: modprobe@fuse.service: Deactivated successfully.
 1018 17:12:00.212077  <30>[   50.213742] systemd[1]: Finished modprobe@fuse.service - Load Kernel Module fuse.
 1019 17:12:00.233162  [[0;32m  OK  [0m] Finished [0;1;39mmodprobe@fuse.service[0m - Load Kernel Module fuse.
 1020 17:12:00.281043  <30>[   50.282309] systemd[1]: modprobe@loop.service: Deactivated successfully.
 1021 17:12:00.302014  <30>[   50.303765] systemd[1]: Finished modprobe@loop.service - Load Kernel Module loop.
 1022 17:12:00.323038  [[0;32m  OK  [0m] Finished [0;1;39mmodprobe@loop.service[0m - Load Kernel Module loop.
 1023 17:12:00.356711  <30>[   50.358683] systemd[1]: Finished systemd-modules-load.service - Load Kernel Modules.
 1024 17:12:00.384324  [[0;32m  OK  [0m] Finished [0;1;39msystemd-modules-l…service[0m - Load Kernel Modules.
 1025 17:12:00.429748  <30>[   50.428421] systemd[1]: Finished systemd-network-generator.service - Generate network units from Kernel command line.
 1026 17:12:00.454214  [[0;32m  OK  [0m] Finished [0;1;39msystemd-network-g…rk units from Kernel command line.
 1027 17:12:00.497264  <30>[   50.498574] systemd[1]: Finished systemd-remount-fs.service - Remount Root and Kernel File Systems.
 1028 17:12:00.523167  [[0;32m  OK  [0m] Finished [0;1;39msystemd-remount-f…ount Root and Kernel File Systems.
 1029 17:12:00.566239  <30>[   50.567784] systemd[1]: Reached target network-pre.target - Preparation for Network.
 1030 17:12:00.593191  [[0;32m  OK  [0m] Reached target [0;1;39mnetwork-pre…get[0m - Preparation for Network.
 1031 17:12:00.662193  <30>[   50.656502] systemd[1]: Mounting sys-fs-fuse-connections.mount - FUSE Control File System...
 1032 17:12:00.665023           Mounting [0;1;39msys-fs-fuse-conne…[0m - FUSE Control File System...
 1033 17:12:00.751184  <30>[   50.735830] systemd[1]: Mounting sys-kernel-config.mount - Kernel Configuration File System...
 1034 17:12:00.754144           Mounting [0;1;39msys-kernel-config…ernel Configuration File System...
 1035 17:12:00.786075  <30>[   50.782001] systemd[1]: systemd-firstboot.service - First Boot Wizard was skipped because of an unmet condition check (ConditionFirstBoot=yes).
 1036 17:12:00.827948  <30>[   50.822731] systemd[1]: systemd-pstore.service - Platform Persistent Storage Archival was skipped because of an unmet condition check (ConditionDirectoryNotEmpty=/sys/fs/pstore).
 1037 17:12:00.865047  <30>[   50.864266] systemd[1]: Starting systemd-random-seed.service - Load/Save Random Seed...
 1038 17:12:00.892945           Starting [0;1;39msystemd-random-se…ice[0m - Load/Save Random Seed...
 1039 17:12:00.943946  <30>[   50.940240] systemd[1]: systemd-repart.service - Repartition Root Disk was skipped because no trigger condition checks were met.
 1040 17:12:00.966923  <30>[   50.968260] systemd[1]: Starting systemd-sysctl.service - Apply Kernel Variables...
 1041 17:12:00.982952           Starting [0;1;39msystemd-sysctl.se…ce[0m - Apply Kernel Variables...
 1042 17:12:01.042998  <30>[   51.044267] systemd[1]: Starting systemd-sysusers.service - Create System Users...
 1043 17:12:01.065145           Starting [0;1;39msystemd-sysusers.…rvice[0m - Create System Users...
 1044 17:12:01.155829  <30>[   51.157726] systemd[1]: Started systemd-journald.service - Journal Service.
 1045 17:12:01.187117  [[0;32m  OK  [0m] Started [0;1;39msystemd-journald.service[0m - Journal Service.
 1046 17:12:01.384173  [[0;32m  OK  [0m] Mounted [0;1;39msys-fs-fuse-connec…nt[0m - FUSE Control File System.
 1047 17:12:01.408161  [[0;32m  OK  [0m] Mounted [0;1;39msys-kernel-config.… Kernel Configuration File System.
 1048 17:12:01.466084  [[0;32m  OK  [0m] Finished [0;1;39msystemd-sysctl.service[0m - Apply Kernel Variables.
 1049 17:12:01.577215           Starting [0;1;39msystemd-journal-f…h Journal to Persistent Storage...
 1050 17:12:01.764241  [[0;32m  OK  [0m] Finished [0;1;39msystemd-sysusers.service[0m - Create System Users.
 1051 17:12:01.796057  <46>[   51.799036] systemd-journald[215]: Received client request to flush runtime journal.
 1052 17:12:01.828031           Starting [0;1;39msystemd-tmpfiles-…ate Static Device Nodes in /dev...
 1053 17:12:02.212045  [[0;32m  OK  [0m] Finished [0;1;39msystemd-tmpfiles-…reate Static Device Nodes in /dev.
 1054 17:12:02.249202  [[0;32m  OK  [0m] Reached target [0;1;39mlocal-fs-pr…reparation for Local File Systems.
 1055 17:12:02.294121  [[0;32m  OK  [0m] Reached target [0;1;39mlocal-fs.target[0m - Local File Systems.
 1056 17:12:02.379324           Starting [0;1;39msystemd-udevd.ser…ger for Device Events and Files...
 1057 17:12:04.448093  [[0m[0;31m*     [0m] (1 of 5) Job systemd-udev-trigger.s…vice/start running (8s / no limit)
 1058 17:12:04.949177  M
[K[[0;1;31m*[0m[0;31m*    [0m] (1 of 5) Job systemd-udev-trigger.s…vice/start running (8s / no limit)
 1059 17:12:05.450151  M
[K[[0;31m*[0;1;31m*[0m[0;31m*   [0m] (1 of 5) Job systemd-udev-trigger.s…vice/start running (9s / no limit)
 1060 17:12:05.951057  M
[K[ [0;31m*[0;1;31m*[0m[0;31m*  [0m] (2 of 5) Job systemd-udevd.service/start running (9s / 1min 36s)
 1061 17:12:06.451528  M
[K[  [0;31m*[0;1;31m*[0m[0;31m* [0m] (2 of 5) Job systemd-udevd.service/start running (10s / 1min 36s)
 1062 17:12:06.952952  M
[K[   [0;31m*[0;1;31m*[0m[0;31m*[0m] (2 of 5) Job systemd-udevd.service/start running (10s / 1min 36s)
 1063 17:12:07.448473  M
[K[    [0;31m*[0;1;31m*[0m] (3 of 5) Job systemd-random-seed.se…ice/start running (11s / 10min 4s)
 1064 17:12:07.950084  M
[K[     [0;31m*[0m] (3 of 5) Job systemd-random-seed.se…ice/start running (11s / 10min 4s)
 1065 17:12:08.450906  M
[K[    [0;31m*[0;1;31m*[0m] (3 of 5) Job systemd-random-seed.se…ice/start running (12s / 10min 4s)
 1066 17:12:08.488074  M
[K[[0;32m  OK  [0m] Started [0;1;39msystemd-udevd.serv…nager for Device Events and Files.
 1067 17:12:08.585736  [K         Starting [0;1;39msystemd-networkd.…ice[0m - Network Configuration...
 1068 17:12:10.805602  [   [0;31m*[0;1;31m*[0m[0;31m*[0m] (4 of 5) Job systemd-networkd.service/start running (14s / 1min 42s)
 1069 17:12:11.306465  M
[K[  [0;31m*[0;1;31m*[0m[0;31m* [0m] (4 of 5) Job systemd-networkd.service/start running (15s / 1min 42s)
 1070 17:12:11.523491  M
[K[[0;32m  OK  [0m] Finished [0;1;39msystemd-random-se…rvice[0m - Load/Save Random Seed.
 1071 17:12:13.507169  [K[[0;32m  OK  [0m] Started [0;1;39msystemd-networkd.service[0m - Network Configuration.
 1072 17:12:15.965270  [[0;32m  OK  [0m] Finished [0;1;39msystemd-udev-trig…e[0m - Coldplug All udev Devices.
 1073 17:12:17.570742  [[0;32m  OK  [0m] Finished [0;1;39msystemd-journal-f…ush Journal to Persistent Storage.
 1074 17:12:18.398292  [[0;32m  OK  [0m] Found device [0;1;39mdev-ttySTM0.device[0m - /dev/ttySTM0.
 1075 17:12:25.454535  [[0;32m  OK  [0m] Reached target [0;1;39mbluetooth.target[0m - Bluetooth Support.
 1076 17:12:25.494155  [[0;32m  OK  [0m] Reached target [0;1;39mnetwork.target[0m - Network.
 1077 17:12:25.534024  [[0;32m  OK  [0m] Reached target [0;1;39musb-gadget.…m - Hardware activated USB gadget.
 1078 17:12:25.576156  [[0;32m  OK  [0m] Listening on [0;1;39msystemd-rfkil…l Switch Status /dev/rfkill Watch.
 1079 17:12:25.638315           Starting [0;1;39mmodprobe@dm_mod.s…[0m - Load Kernel Module dm_mod...
 1080 17:12:25.681096           Starting [0;1;39mmodprobe@efi_psto…- Load Kernel Module efi_pstore...
 1081 17:12:25.766120           Starting [0;1;39mmodprobe@loop.ser…e[0m - Load Kernel Module loop...
 1082 17:12:28.606157           Starting [0;1;39msystemd-tmpfiles-… Volatile Files and Directories...
 1083 17:12:28.667125  [[0;32m  OK  [0m] Finished [0;1;39mmodprobe@dm_mod.s…e[0m - Load Kernel Module dm_mod.
 1084 17:12:28.752017  [[0;32m  OK  [0m] Finished [0;1;39mmodprobe@efi_psto…m - Load Kernel Module efi_pstore.
 1085 17:12:28.805095  [[0;32m  OK  [0m] Finished [0;1;39mmodprobe@loop.service[0m - Load Kernel Module loop.
 1086 17:12:28.874077           Starting [0;1;39msystemd-rfkill.se…Load/Save RF Kill Switch Status...
 1087 17:12:29.494137  [[0;32m  OK  [0m] Started [0;1;39msystemd-rfkill.ser…- Load/Save RF Kill Switch Status.
 1088 17:12:30.278259  [[0;32m  OK  [0m] Finished [0;1;39msystemd-tmpfiles-…te Volatile Files and Directories.
 1089 17:12:30.443489           Starting [0;1;39msystemd-timesyncd… - Network Time Synchronization...
 1090 17:12:30.491339           Starting [0;1;39msystemd-update-ut…rd System Boot/Shutdown in UTMP...
 1091 17:12:30.896295  [[0;32m  OK  [0m] Finished [0;1;39msystemd-update-ut…cord System Boot/Shutdown in UTMP.
 1092 17:12:32.317475  [[0;32m  OK  [0m] Started [0;1;39msystemd-timesyncd.…0m - Network Time Synchronization.
 1093 17:12:32.357521  [[0;32m  OK  [0m] Reached target [0;1;39msysinit.target[0m - System Initialization.
 1094 17:12:32.395359  [[0;32m  OK  [0m] Started [0;1;39msystemd-tmpfiles-c… Cleanup of Temporary Directories.
 1095 17:12:32.444770  <46>[   82.421656] systemd-journald[215]: Oldest entry in /var/log/journal/658c871cd7314ccea6115dc5728f8992/system.journal is older than the configured file retention duration (1month), suggesting rotation.
 1096 17:12:32.445289  <46>[   82.439486] systemd-journald[215]: /var/log/journal/658c871cd7314ccea6115dc5728f8992/system.journal: Journal header limits reached or header out-of-date, rotating.
 1097 17:12:32.463269  [[0;32m  OK  [0m] Reached target [0;1;39mtime-set.target[0m - System Time Set.
 1098 17:12:32.620571  [[0;32m  OK  [0m] Started [0;1;39mapt-daily.timer[0m - Daily apt download activities.
 1099 17:12:32.705527  [[0;32m  OK  [0m] Started [0;1;39mapt-daily-upgrade.… apt upgrade and clean activities.
 1100 17:12:32.746534  [[0;32m  OK  [0m] Started [0;1;39mdpkg-db-backup.tim… Daily dpkg database backup timer.
 1101 17:12:32.837494  [[0;32m  OK  [0m] Started [0;1;39me2scrub_all.timer…etadata Check for All Filesystems.
 1102 17:12:33.031260  [[0;32m  OK  [0m] Started [0;1;39mfstrim.timer[0m - Discard unused blocks once a week.
 1103 17:12:33.082304  [[0;32m  OK  [0m] Reached target [0;1;39mtimers.target[0m - Timer Units.
 1104 17:12:33.156505  [[0;32m  OK  [0m] Listening on [0;1;39mdbus.socket[…- D-Bus System Message Bus Socket.
 1105 17:12:33.194529  [[0;32m  OK  [0m] Reached target [0;1;39msockets.target[0m - Socket Units.
 1106 17:12:33.235402  [[0;32m  OK  [0m] Reached target [0;1;39mbasic.target[0m - Basic System.
 1107 17:12:33.304505           Starting [0;1;39malsa-restore.serv…- Save/Restore Sound Card State...
 1108 17:12:33.363373           Starting [0;1;39mdbus.service[0m - D-Bus System Message Bus...
 1109 17:12:33.537543           Starting [0;1;39me2scrub_reap.serv…e ext4 Metadata Check Snapshots...
 1110 17:12:34.182414           Starting [0;1;39msystemd-logind.se…ice[0m - User Login Management...
 1111 17:12:34.253504           Starting [0;1;39msystemd-user-sess…vice[0m - Permit User Sessions...
 1112 17:12:34.315359  [[0;32m  OK  [0m] Finished [0;1;39malsa-restore.serv…m - Save/Restore Sound Card State.
 1113 17:12:34.417618  [[0;32m  OK  [0m] Reached target [0;1;39msound.target[0m - Sound Card.
 1114 17:12:34.823327  [[0;32m  OK  [0m] Finished [0;1;39msystemd-user-sess…ervice[0m - Permit User Sessions.
 1115 17:12:34.885504  [[0;32m  OK  [0m] Started [0;1;39mgetty@tty1.service[0m - Getty on tty1.
 1116 17:12:34.948387  [[0;32m  OK  [0m] Started [0;1;39mserial-getty@ttyST…ice[0m - Serial Getty on ttySTM0.
 1117 17:12:34.986377  [[0;32m  OK  [0m] Reached target [0;1;39mgetty.target[0m - Login Prompts.
 1118 17:12:35.231330  [[0;32m  OK  [0m] Started [0;1;39mdbus.service[0m - D-Bus System Message Bus.
 1119 17:12:35.497496  [[0;32m  OK  [0m] Finished [0;1;39me2scrub_reap.serv…ine ext4 Metadata Check Snapshots.
 1120 17:12:36.190352  [[0;32m  OK  [0m] Started [0;1;39msystemd-logind.service[0m - User Login Management.
 1121 17:12:36.243360  [[0;32m  OK  [0m] Reached target [0;1;39mmulti-user.target[0m - Multi-User System.
 1122 17:12:36.280279  [[0;32m  OK  [0m] Reached target [0;1;39mgraphical.target[0m - Graphical Interface.
 1123 17:12:36.398531           Starting [0;1;39msystemd-update-ut… Record Runlevel Change in UTMP...
 1124 17:12:36.794557  [[0;32m  OK  [0m] Finished [0;1;39msystemd-update-ut… - Record Runlevel Change in UTMP.
 1125 17:12:37.038087  
 1126 17:12:37.038285  Debian GNU/Linux 12 debian-bookworm-armhf ttySTM0
 1127 17:12:37.038381  
 1128 17:12:37.041440  debian-bookworm-armhf login: root (automatic login)
 1129 17:12:37.041583  
 1130 17:12:37.745604  Linux debian-bookworm-armhf 5.10.220-cip49 #1 SMP Fri Jun 21 16:15:02 UTC 2024 armv7l
 1131 17:12:37.745981  
 1132 17:12:37.746095  The programs included with the Debian GNU/Linux system are free software;
 1133 17:12:37.746199  the exact distribution terms for each program are described in the
 1134 17:12:37.746302  individual files in /usr/share/doc/*/copyright.
 1135 17:12:37.746401  
 1136 17:12:37.748572  Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent
 1137 17:12:37.748720  permitted by applicable law.
 1138 17:12:49.092478  Matched prompt #10: / #
 1140 17:12:49.094190  Setting prompt string to ['/ #']
 1141 17:12:49.094403  end: 2.4.4.1 login-action (duration 00:01:33) [common]
 1143 17:12:49.094718  end: 2.4.4 auto-login-action (duration 00:01:41) [common]
 1144 17:12:49.094839  start: 2.4.5 expect-shell-connection (timeout 00:02:51) [common]
 1145 17:12:49.094931  Setting prompt string to ['/ #']
 1146 17:12:49.095015  Forcing a shell prompt, looking for ['/ #']
 1148 17:12:49.145288  / # 
 1149 17:12:49.145565  expect-shell-connection: Wait for prompt ['/ #'] (timeout 00:05:00)
 1150 17:12:49.145662  Waiting using forced prompt support (timeout 00:02:30)
 1151 17:12:49.155869  
 1152 17:12:49.172231  end: 2.4.5 expect-shell-connection (duration 00:00:00) [common]
 1153 17:12:49.172472  start: 2.4.6 export-device-env (timeout 00:02:51) [common]
 1155 17:12:49.272856  / # export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/438939/extract-nfsrootfs-zldl9k4x'
 1156 17:12:49.281040  export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/438939/extract-nfsrootfs-zldl9k4x'
 1158 17:12:49.424440  / # export NFS_SERVER_IP='192.168.56.193'
 1159 17:12:49.441094  export NFS_SERVER_IP='192.168.56.193'
 1160 17:12:49.441508  end: 2.4.6 export-device-env (duration 00:00:00) [common]
 1161 17:12:49.441639  end: 2.4 uboot-commands (duration 00:02:09) [common]
 1162 17:12:49.441767  end: 2 uboot-action (duration 00:02:09) [common]
 1163 17:12:49.441888  start: 3 lava-test-retry (timeout 00:06:28) [common]
 1164 17:12:49.442004  start: 3.1 lava-test-shell (timeout 00:06:28) [common]
 1165 17:12:49.442112  Using namespace: common
 1167 17:12:49.542666  / # #
 1168 17:12:49.542955  lava-test-shell: Wait for prompt ['/ #'] (timeout 00:10:00)
 1169 17:12:49.552970  #
 1170 17:12:49.596106  Using /lava-438939
 1172 17:12:49.696779  / # export SHELL=/bin/bash
 1173 17:12:49.713055  export SHELL=/bin/bash
 1175 17:12:49.813723  / # . /lava-438939/environment
 1176 17:12:49.824997  . /lava-438939/environment
 1178 17:12:49.968415  / # /lava-438939/bin/lava-test-runner /lava-438939/0
 1179 17:12:49.968734  Test shell timeout: 10s (minimum of the action and connection timeout)
 1180 17:12:49.984848  /lava-438939/bin/lava-test-runner /lava-438939/0
 1181 17:13:04.231549  + export TESTRUN_ID=0_timesync-off
 1182 17:13:04.234769  + TESTRUN_ID=0_timesync-off
 1183 17:13:04.234950  + cd /lava-438939/0/tests/0_timesync-off
 1184 17:13:04.235039  ++ cat uuid
 1185 17:13:04.282639  + UUID=438939_1.6.2.4.1
 1186 17:13:04.282804  + set +x
 1187 17:13:04.300445  <LAVA_SIGNAL_STARTRUN 0_timesync-off 438939_1.6.2.4.1>
 1188 17:13:04.300786  Received signal: <STARTRUN> 0_timesync-off 438939_1.6.2.4.1
 1189 17:13:04.300890  Starting test lava.0_timesync-off (438939_1.6.2.4.1)
 1190 17:13:04.301014  Skipping test definition patterns.
 1191 17:13:04.303847  + systemctl stop systemd-timesyncd
 1192 17:13:04.639699  + set +x
 1193 17:13:04.655658  <LAVA_SIGNAL_ENDRUN 0_timesync-off 438939_1.6.2.4.1>
 1194 17:13:04.656010  Received signal: <ENDRUN> 0_timesync-off 438939_1.6.2.4.1
 1195 17:13:04.656140  Ending use of test pattern.
 1196 17:13:04.656227  Ending test lava.0_timesync-off (438939_1.6.2.4.1), duration 0.36
 1198 17:13:05.114533  + export TESTRUN_ID=1_kselftest-lkdtm
 1199 17:13:05.114936  + TESTRUN_ID=1_kselftest-lkdtm
 1200 17:13:05.115040  + cd /lava-438939/0/tests/1_kselftest-lkdtm
 1201 17:13:05.117879  ++ cat uuid
 1202 17:13:05.205472  + UUID=438939_1.6.2.4.5
 1203 17:13:05.205764  + set +x
 1204 17:13:05.206078  <LAVA_SIGNAL_STARTRUN 1_kselftest-lkdtm 438939_1.6.2.4.5>
 1205 17:13:05.206191  + cd ./automated/linux/kselftest/
 1206 17:13:05.206470  Received signal: <STARTRUN> 1_kselftest-lkdtm 438939_1.6.2.4.5
 1207 17:13:05.206575  Starting test lava.1_kselftest-lkdtm (438939_1.6.2.4.5)
 1208 17:13:05.206728  Skipping test definition patterns.
 1209 17:13:05.208927  + ./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/v5.10.218-cip49-1111-g6fbf41e85883f/arm/multi_v7_defconfig+kselftest/gcc-10/kselftest.tar.xz -L '' -S /dev/null -b stm32mp157a-dhcor-avenger96 -g cip-gitlab -e '' -p /opt/kselftests/mainline/ -n 1 -i 1
 1210 17:13:05.496756  INFO: install_deps skipped
 1211 17:13:05.902732  --2024-06-21 17:13:05--  http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.218-cip49-1111-g6fbf41e85883f/arm/multi_v7_defconfig+kselftest/gcc-10/kselftest.tar.xz
 1212 17:13:05.944746  Resolving storage.kernelci.org (storage.kernelci.org)... 20.171.243.82
 1213 17:13:06.076232  Connecting to storage.kernelci.org (storage.kernelci.org)|20.171.243.82|:80... connected.
 1214 17:13:06.230083  HTTP request sent, awaiting response... 200 OK
 1215 17:13:06.230277  Length: 1410092 (1.3M) [application/octet-stream]
 1216 17:13:06.230563  Saving to: 'kselftest_armhf.tar.gz'
 1217 17:13:06.230670  
 1218 17:13:07.190730  
kselftest_armhf.tar   0%[                    ]       0  --.-KB/s               
kselftest_armhf.tar   3%[                    ]  49.92K   184KB/s               
kselftest_armhf.tar  14%[=>                  ] 196.17K   363KB/s               
kselftest_armhf.tar  41%[=======>            ] 568.82K   703KB/s               
kselftest_armhf.tar 100%[===================>]   1.34M  1.40MB/s    in 1.0s    
 1219 17:13:07.190954  
 1220 17:13:07.334681  2024-06-21 17:13:07 (1.40 MB/s) - 'kselftest_armhf.tar.gz' saved [1410092/1410092]
 1221 17:13:07.334886  
 1222 17:14:25.572803  skiplist:
 1223 17:14:25.573003  ========================================
 1224 17:14:25.588619  ========================================
 1225 17:14:25.780680  lkdtm:PANIC.sh
 1226 17:14:25.820786  lkdtm:BUG.sh
 1227 17:14:25.820973  lkdtm:WARNING.sh
 1228 17:14:25.821059  lkdtm:WARNING_MESSAGE.sh
 1229 17:14:25.821345  lkdtm:EXCEPTION.sh
 1230 17:14:25.821452  lkdtm:LOOP.sh
 1231 17:14:25.821538  lkdtm:EXHAUST_STACK.sh
 1232 17:14:25.821618  lkdtm:CORRUPT_STACK.sh
 1233 17:14:25.821696  lkdtm:CORRUPT_STACK_STRONG.sh
 1234 17:14:25.821775  lkdtm:CORRUPT_LIST_ADD.sh
 1235 17:14:25.821852  lkdtm:CORRUPT_LIST_DEL.sh
 1236 17:14:25.821929  lkdtm:STACK_GUARD_PAGE_LEADING.sh
 1237 17:14:25.822007  lkdtm:STACK_GUARD_PAGE_TRAILING.sh
 1238 17:14:25.822083  lkdtm:UNSET_SMEP.sh
 1239 17:14:25.822162  lkdtm:DOUBLE_FAULT.sh
 1240 17:14:25.822239  lkdtm:CORRUPT_PAC.sh
 1241 17:14:25.822316  lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh
 1242 17:14:25.822394  lkdtm:OVERWRITE_ALLOCATION.sh
 1243 17:14:25.822472  lkdtm:WRITE_AFTER_FREE.sh
 1244 17:14:25.824224  lkdtm:READ_AFTER_FREE.sh
 1245 17:14:25.864017  lkdtm:WRITE_BUDDY_AFTER_FREE.sh
 1246 17:14:25.864185  lkdtm:READ_BUDDY_AFTER_FREE.sh
 1247 17:14:25.864471  lkdtm:SLAB_FREE_DOUBLE.sh
 1248 17:14:25.864565  lkdtm:SLAB_FREE_CROSS.sh
 1249 17:14:25.864646  lkdtm:SLAB_FREE_PAGE.sh
 1250 17:14:25.864724  lkdtm:SOFTLOCKUP.sh
 1251 17:14:25.864802  lkdtm:HARDLOCKUP.sh
 1252 17:14:25.864879  lkdtm:SPINLOCKUP.sh
 1253 17:14:25.864957  lkdtm:HUNG_TASK.sh
 1254 17:14:25.865034  lkdtm:EXEC_DATA.sh
 1255 17:14:25.865110  lkdtm:EXEC_STACK.sh
 1256 17:14:25.865187  lkdtm:EXEC_KMALLOC.sh
 1257 17:14:25.865265  lkdtm:EXEC_VMALLOC.sh
 1258 17:14:25.865342  lkdtm:EXEC_RODATA.sh
 1259 17:14:25.865419  lkdtm:EXEC_USERSPACE.sh
 1260 17:14:25.865496  lkdtm:EXEC_NULL.sh
 1261 17:14:25.865574  lkdtm:ACCESS_USERSPACE.sh
 1262 17:14:25.865652  lkdtm:ACCESS_NULL.sh
 1263 17:14:25.865729  lkdtm:WRITE_RO.sh
 1264 17:14:25.867315  lkdtm:WRITE_RO_AFTER_INIT.sh
 1265 17:14:25.867421  lkdtm:WRITE_KERN.sh
 1266 17:14:25.907416  lkdtm:REFCOUNT_INC_OVERFLOW.sh
 1267 17:14:25.907600  lkdtm:REFCOUNT_ADD_OVERFLOW.sh
 1268 17:14:25.907888  lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh
 1269 17:14:25.907984  lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh
 1270 17:14:25.908065  lkdtm:REFCOUNT_DEC_ZERO.sh
 1271 17:14:25.908143  lkdtm:REFCOUNT_DEC_NEGATIVE.sh
 1272 17:14:25.908222  lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh
 1273 17:14:25.908302  lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh
 1274 17:14:25.908383  lkdtm:REFCOUNT_INC_ZERO.sh
 1275 17:14:25.908461  lkdtm:REFCOUNT_ADD_ZERO.sh
 1276 17:14:25.908541  lkdtm:REFCOUNT_INC_SATURATED.sh
 1277 17:14:25.908620  lkdtm:REFCOUNT_DEC_SATURATED.sh
 1278 17:14:25.908699  lkdtm:REFCOUNT_ADD_SATURATED.sh
 1279 17:14:25.910710  lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh
 1280 17:14:25.950700  lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh
 1281 17:14:25.950850  lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh
 1282 17:14:25.951131  lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh
 1283 17:14:25.951221  lkdtm:REFCOUNT_TIMING.sh
 1284 17:14:25.951321  lkdtm:ATOMIC_TIMING.sh
 1285 17:14:25.951400  lkdtm:USERCOPY_HEAP_SIZE_TO.sh
 1286 17:14:25.951485  lkdtm:USERCOPY_HEAP_SIZE_FROM.sh
 1287 17:14:25.951563  lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh
 1288 17:14:25.951640  lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh
 1289 17:14:25.951717  lkdtm:USERCOPY_STACK_FRAME_TO.sh
 1290 17:14:25.951795  lkdtm:USERCOPY_STACK_FRAME_FROM.sh
 1291 17:14:25.951872  lkdtm:USERCOPY_STACK_BEYOND.sh
 1292 17:14:25.951948  lkdtm:USERCOPY_KERNEL.sh
 1293 17:14:25.952024  lkdtm:STACKLEAK_ERASING.sh
 1294 17:14:25.954124  lkdtm:CFI_FORWARD_PROTO.sh
 1295 17:14:25.994014  ============== Tests to run ===============
 1296 17:14:25.994184  lkdtm:PANIC.sh
 1297 17:14:25.994270  lkdtm:BUG.sh
 1298 17:14:25.994560  lkdtm:WARNING.sh
 1299 17:14:25.994665  lkdtm:WARNING_MESSAGE.sh
 1300 17:14:25.994789  lkdtm:EXCEPTION.sh
 1301 17:14:25.994881  lkdtm:LOOP.sh
 1302 17:14:25.994996  lkdtm:EXHAUST_STACK.sh
 1303 17:14:25.995084  lkdtm:CORRUPT_STACK.sh
 1304 17:14:25.995163  lkdtm:CORRUPT_STACK_STRONG.sh
 1305 17:14:25.995275  lkdtm:CORRUPT_LIST_ADD.sh
 1306 17:14:25.995393  lkdtm:CORRUPT_LIST_DEL.sh
 1307 17:14:25.995519  lkdtm:STACK_GUARD_PAGE_LEADING.sh
 1308 17:14:25.995607  lkdtm:STACK_GUARD_PAGE_TRAILING.sh
 1309 17:14:25.995697  lkdtm:UNSET_SMEP.sh
 1310 17:14:25.995775  lkdtm:DOUBLE_FAULT.sh
 1311 17:14:25.995854  lkdtm:CORRUPT_PAC.sh
 1312 17:14:25.995931  lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh
 1313 17:14:25.997431  lkdtm:OVERWRITE_ALLOCATION.sh
 1314 17:14:25.997573  lkdtm:WRITE_AFTER_FREE.sh
 1315 17:14:26.037415  lkdtm:READ_AFTER_FREE.sh
 1316 17:14:26.037589  lkdtm:WRITE_BUDDY_AFTER_FREE.sh
 1317 17:14:26.037918  lkdtm:READ_BUDDY_AFTER_FREE.sh
 1318 17:14:26.038013  lkdtm:SLAB_FREE_DOUBLE.sh
 1319 17:14:26.038128  lkdtm:SLAB_FREE_CROSS.sh
 1320 17:14:26.038246  lkdtm:SLAB_FREE_PAGE.sh
 1321 17:14:26.038363  lkdtm:SOFTLOCKUP.sh
 1322 17:14:26.038480  lkdtm:HARDLOCKUP.sh
 1323 17:14:26.038591  lkdtm:SPINLOCKUP.sh
 1324 17:14:26.038671  lkdtm:HUNG_TASK.sh
 1325 17:14:26.038749  lkdtm:EXEC_DATA.sh
 1326 17:14:26.038827  lkdtm:EXEC_STACK.sh
 1327 17:14:26.038904  lkdtm:EXEC_KMALLOC.sh
 1328 17:14:26.039017  lkdtm:EXEC_VMALLOC.sh
 1329 17:14:26.039104  lkdtm:EXEC_RODATA.sh
 1330 17:14:26.039183  lkdtm:EXEC_USERSPACE.sh
 1331 17:14:26.039260  lkdtm:EXEC_NULL.sh
 1332 17:14:26.039338  lkdtm:ACCESS_USERSPACE.sh
 1333 17:14:26.040892  lkdtm:ACCESS_NULL.sh
 1334 17:14:26.041009  lkdtm:WRITE_RO.sh
 1335 17:14:26.080677  lkdtm:WRITE_RO_AFTER_INIT.sh
 1336 17:14:26.080837  lkdtm:WRITE_KERN.sh
 1337 17:14:26.080922  lkdtm:REFCOUNT_INC_OVERFLOW.sh
 1338 17:14:26.081217  lkdtm:REFCOUNT_ADD_OVERFLOW.sh
 1339 17:14:26.081321  lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh
 1340 17:14:26.081406  lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh
 1341 17:14:26.081486  lkdtm:REFCOUNT_DEC_ZERO.sh
 1342 17:14:26.081565  lkdtm:REFCOUNT_DEC_NEGATIVE.sh
 1343 17:14:26.081645  lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh
 1344 17:14:26.081723  lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh
 1345 17:14:26.081862  lkdtm:REFCOUNT_INC_ZERO.sh
 1346 17:14:26.081954  lkdtm:REFCOUNT_ADD_ZERO.sh
 1347 17:14:26.082069  lkdtm:REFCOUNT_INC_SATURATED.sh
 1348 17:14:26.082157  lkdtm:REFCOUNT_DEC_SATURATED.sh
 1349 17:14:26.084050  lkdtm:REFCOUNT_ADD_SATURATED.sh
 1350 17:14:26.123944  lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh
 1351 17:14:26.124100  lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh
 1352 17:14:26.124390  lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh
 1353 17:14:26.124526  lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh
 1354 17:14:26.124616  lkdtm:REFCOUNT_TIMING.sh
 1355 17:14:26.124730  lkdtm:ATOMIC_TIMING.sh
 1356 17:14:26.124820  lkdtm:USERCOPY_HEAP_SIZE_TO.sh
 1357 17:14:26.124934  lkdtm:USERCOPY_HEAP_SIZE_FROM.sh
 1358 17:14:26.125020  lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh
 1359 17:14:26.125099  lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh
 1360 17:14:26.125213  lkdtm:USERCOPY_STACK_FRAME_TO.sh
 1361 17:14:26.125340  lkdtm:USERCOPY_STACK_FRAME_FROM.sh
 1362 17:14:26.125431  lkdtm:USERCOPY_STACK_BEYOND.sh
 1363 17:14:26.127300  lkdtm:USERCOPY_KERNEL.sh
 1364 17:14:26.127406  lkdtm:STACKLEAK_ERASING.sh
 1365 17:14:26.144344  lkdtm:CFI_FORWARD_PROTO.sh
 1366 17:14:26.147556  ===========End Tests to run ===============
 1367 17:14:26.147704  shardfile-lkdtm pass
 1368 17:14:29.027569  <12>[  199.041500] kselftest: Running tests in lkdtm
 1369 17:14:29.091473  TAP version 13
 1370 17:14:29.139469  1..70
 1371 17:14:29.187461  # selftests: lkdtm: PANIC.sh
 1372 17:14:29.971548  # Skipping PANIC: crashes entire system
 1373 17:14:29.987422  ok 1 selftests: lkdtm: PANIC.sh # SKIP
 1374 17:14:30.035405  # selftests: lkdtm: BUG.sh
 1375 17:14:30.643624  <6>[  200.625027] lkdtm: Performing direct entry BUG
 1376 17:14:30.644054  <4>[  200.629003] ------------[ cut here ]------------
 1377 17:14:30.644162  <2>[  200.633508] kernel BUG at drivers/misc/lkdtm/bugs.c:76!
 1378 17:14:30.644246  <0>[  200.639010] Internal error: Oops - BUG: 0 [#1] SMP ARM
 1379 17:14:30.687088  <4>[  200.644429] Modules linked in: fuse ip_tables x_tables snd_soc_hdmi_codec stm32_adc stm32_timer_trigger stm32_lptimer_trigger snd_soc_audio_graph_card snd_soc_simple_card_utils snd_soc_stm32_sai_sub snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore adv7511 brcmfmac stm_drm sha256_generic etnaviv sha256_arm gpu_sched hci_uart btbcm cfg80211 bluetooth brcmutil ecdh_generic ecc libaes snd_soc_stm32_sai stm32_adc_core
 1380 17:14:30.687280  <4>[  200.683487] CPU: 0 PID: 659 Comm: cat Not tainted 5.10.220-cip49 #1
 1381 17:14:30.687369  <4>[  200.690029] Hardware name: STM32 (Device Tree Support)
 1382 17:14:30.687462  <4>[  200.695463] PC is at lkdtm_BUG+0x14/0x18
 1383 17:14:30.687545  <4>[  200.699645] LR is at lkdtm_do_action+0x2c/0x4c
 1384 17:14:30.730020  <4>[  200.704359] pc : [<c0c5b44c>]    lr : [<c0c5aecc>]    psr: a0080013
 1385 17:14:30.730383  <4>[  200.710912] sp : c5099e58  ip : c5099e68  fp : c5099e64
 1386 17:14:30.730476  <4>[  200.716416] r10: 00000004  r9 : c1ad7494  r8 : c15ec1e0
 1387 17:14:30.730555  <4>[  200.721921] r7 : c5099f60  r6 : 00000004  r5 : c5ec7000  r4 : 00000001
 1388 17:14:30.730637  <4>[  200.728736] r3 : c0c5b438  r2 : 6cd7a5ac  r1 : ef7955e0  r0 : c15ec1e8
 1389 17:14:30.730715  <4>[  200.735552] Flags: NzCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 1390 17:14:30.730794  <4>[  200.742977] Control: 10c5387d  Table: c515006a  DAC: 00000051
 1391 17:14:30.773573  <0>[  200.749011] Process cat (pid: 659, stack limit = 0x58ecda2d)
 1392 17:14:30.773935  <0>[  200.754946] Stack: (0xc5099e58 to 0xc509a000)
 1393 17:14:30.774027  <0>[  200.759579] 9e40:                                                       c5099e74 c5099e68
 1394 17:14:30.774110  <0>[  200.768060] 9e60: c0c5aecc c0c5b444 c5099e9c c5099e78 c0c5b3cc c0c5aeac c0c5b2ac c2985280
 1395 17:14:30.774191  <0>[  200.776536] 9e80: b6dde000 00000004 c3aa9540 c5099f60 c5099ec4 c5099ea0 c07e42b0 c0c5b2b8
 1396 17:14:30.777036  <0>[  200.785011] 9ea0: 00000000 c2985280 b6dde000 c290d000 c5099f60 c07e424c c5099f5c c5099ec8
 1397 17:14:30.816954  <0>[  200.793487] 9ec0: c059c068 c07e4258 00000001 00000000 c059c624 c13e3a68 c059c624 c5098000
 1398 17:14:30.817337  <0>[  200.801963] 9ee0: b6dde000 00020000 00000004 00000004 0001fffc c5099ee0 00000001 b6ddd000
 1399 17:14:30.817447  <0>[  200.810437] 9f00: c2985c80 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 1400 17:14:30.817535  <0>[  200.818914] 9f20: 00000000 00000000 c13e3a68 6cd7a5ac c206c1e0 c2985280 c2985280 c5098000
 1401 17:14:30.817618  <0>[  200.827390] 9f40: b6dde000 00000000 00000000 00000004 c5099f94 c5099f60 c059c624 c059bf68
 1402 17:14:30.860284  <0>[  200.835866] 9f60: 00000000 00000000 c5099fac 6cd7a5ac 00000004 00000004 7ff00000 00000004
 1403 17:14:30.860651  <0>[  200.844341] 9f80: c03002e4 c5098000 c5099fa4 c5099f98 c059c6b4 c059c5bc 00000000 c5099fa8
 1404 17:14:30.860749  <0>[  200.852817] 9fa0: c03000c0 c059c6a8 00000004 00000004 00000001 b6dde000 00000004 00000001
 1405 17:14:30.860829  <0>[  200.861293] 9fc0: 00000004 00000004 7ff00000 00000004 00000001 b6dde000 00020000 0045fe38
 1406 17:14:30.860917  <0>[  200.869768] 9fe0: 00000004 becdf7e8 b6ea433b b6e1d616 60080030 00000001 00000000 00000000
 1407 17:14:30.863678  <0>[  200.878234] Backtrace: 
 1408 17:14:30.903618  <0>[  200.880957] [<c0c5b438>] (lkdtm_BUG) from [<c0c5aecc>] (lkdtm_do_action+0x2c/0x4c)
 1409 17:14:30.903944  <0>[  200.888820] [<c0c5aea0>] (lkdtm_do_action) from [<c0c5b3cc>] (direct_entry+0x120/0x18c)
 1410 17:14:30.904028  <0>[  200.897123] [<c0c5b2ac>] (direct_entry) from [<c07e42b0>] (full_proxy_write+0x64/0x94)
 1411 17:14:30.904105  <0>[  200.905333]  r9:c5099f60 r8:c3aa9540 r7:00000004 r6:b6dde000 r5:c2985280 r4:c0c5b2ac
 1412 17:14:30.904180  <0>[  200.913377] [<c07e424c>] (full_proxy_write) from [<c059c068>] (vfs_write+0x10c/0x54c)
 1413 17:14:30.946954  <0>[  200.921498]  r9:c07e424c r8:c5099f60 r7:c290d000 r6:b6dde000 r5:c2985280 r4:00000000
 1414 17:14:30.947339  <0>[  200.929539] [<c059bf5c>] (vfs_write) from [<c059c624>] (ksys_write+0x74/0xec)
 1415 17:14:30.947446  <0>[  200.936965]  r10:00000004 r9:00000000 r8:00000000 r7:b6dde000 r6:c5098000 r5:c2985280
 1416 17:14:30.947541  <0>[  200.945081]  r4:c2985280
 1417 17:14:30.947625  <0>[  200.947888] [<c059c5b0>] (ksys_write) from [<c059c6b4>] (sys_write+0x18/0x1c)
 1418 17:14:30.947749  <0>[  200.955312]  r9:c5098000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000004 r4:00000004
 1419 17:14:30.990264  <0>[  200.963353] [<c059c69c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 1420 17:14:30.990617  <0>[  200.971204] Exception stack(0xc5099fa8 to 0xc5099ff0)
 1421 17:14:30.990719  <0>[  200.976539] 9fa0:                   00000004 00000004 00000001 b6dde000 00000004 00000001
 1422 17:14:30.990814  <0>[  200.985016] 9fc0: 00000004 00000004 7ff00000 00000004 00000001 b6dde000 00020000 0045fe38
 1423 17:14:30.990905  <0>[  200.993485] 9fe0: 00000004 becdf7e8 b6ea433b b6e1d616
 1424 17:14:30.990989  <0>[  200.998818] Code: e92dd800 e24cb004 e52de004 e8bd4000 (e7f001f2) 
 1425 17:14:30.993788  <4>[  201.005198] ---[ end trace af413873b24c9d1f ]---
 1426 17:14:31.033625  <3>[  201.010089] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49
 1427 17:14:31.034026  <3>[  201.019258] in_atomic(): 0, irqs_disabled(): 128, non_block: 0, pid: 659, name: cat
 1428 17:14:31.034149  <4>[  201.027204] INFO: lockdep is turned off.
 1429 17:14:31.034234  <4>[  201.031398] irq event stamp: 1594
 1430 17:14:31.034317  <4>[  201.034993] hardirqs last  enabled at (1593): [<c03d6c58>] console_unlock+0x4b0/0x6c0
 1431 17:14:31.034399  <4>[  201.043113] hardirqs last disabled at (1594): [<c0300c60>] __und_svc+0x60/0x6c
 1432 17:14:31.076887  <4>[  201.050628] softirqs last  enabled at (1590): [<c030219c>] __do_softirq+0x36c/0x5a0
 1433 17:14:31.077245  <4>[  201.058580] softirqs last disabled at (1577): [<c035f8f4>] __irq_exit_rcu+0x178/0x1d0
 1434 17:14:31.077348  <4>[  201.066705] CPU: 0 PID: 659 Comm: cat Tainted: G      D           5.10.220-cip49 #1
 1435 17:14:31.077436  <4>[  201.074649] Hardware name: STM32 (Device Tree Support)
 1436 17:14:31.077522  <4>[  201.080067] Backtrace: 
 1437 17:14:31.077606  <4>[  201.082789] [<c13c07f0>] (dump_backtrace) from [<c13c0bb0>] (show_stack+0x20/0x24)
 1438 17:14:31.080372  <4>[  201.090647]  r7:ffffffff r6:60080093 r5:00000000 r4:c1f1d018
 1439 17:14:31.120325  <4>[  201.096593] [<c13c0b90>] (show_stack) from [<c13c7e4c>] (dump_stack+0xe0/0x100)
 1440 17:14:31.120699  <4>[  201.104198] [<c13c7d6c>] (dump_stack) from [<c038ff6c>] (___might_sleep+0x188/0x2e0)
 1441 17:14:31.120798  <4>[  201.112231]  r9:60080093 r8:0000000b r7:c035c460 r6:00000031 r5:c19d34c0 r4:c5098000
 1442 17:14:31.120932  <4>[  201.120272] [<c038fde4>] (___might_sleep) from [<c0390134>] (__might_sleep+0x70/0xb0)
 1443 17:14:31.121033  <4>[  201.128390]  r6:00000000 r5:00000031 r4:c19d34c0
 1444 17:14:31.123731  <4>[  201.133293] [<c03900c4>] (__might_sleep) from [<c036db04>] (exit_signals+0x4c/0x420)
 1445 17:14:31.163604  <4>[  201.141321]  r6:00000001 r5:c5098000 r4:c5aa5e80
 1446 17:14:31.164004  <4>[  201.146224] [<c036dab8>] (exit_signals) from [<c035c460>] (do_exit+0x100/0xafc)
 1447 17:14:31.164148  <4>[  201.153819]  r8:0000000b r7:c1e1ca0c r6:ffffe000 r5:00000000 r4:c5aa5e80
 1448 17:14:31.164276  <4>[  201.160813] [<c035c360>] (do_exit) from [<c035e358>] (make_task_dead+0x68/0x74)
 1449 17:14:31.164374  <4>[  201.168402]  r7:c1e1ca0c
 1450 17:14:31.164461  <4>[  201.171208] [<c035e2f0>] (make_task_dead) from [<c030e940>] (die+0x370/0x37c)
 1451 17:14:31.166945  <4>[  201.178631] [<c030e5d0>] (die) from [<c030eabc>] (do_undefinstr+0x170/0x240)
 1452 17:14:31.207090  <4>[  201.185970]  r10:00000004 r9:c5098000 r8:c15ec1e0 r7:00000000 r6:c5099dc8 r5:c0c5b44c
 1453 17:14:31.207244  <4>[  201.194085]  r4:e7f001f2
 1454 17:14:31.207331  <4>[  201.196889] [<c030e94c>] (do_undefinstr) from [<c0300c6c>] (__und_svc_finish+0x0/0x54)
 1455 17:14:31.207415  <4>[  201.205093] Exception stack(0xc5099dc8 to 0xc5099e10)
 1456 17:14:31.207508  <4>[  201.210429] 9dc0:                   c15ec1e8 ef7955e0 6cd7a5ac c0c5b438 00000001 c5ec7000
 1457 17:14:31.210291  <4>[  201.218904] 9de0: 00000004 c5099f60 c15ec1e0 c1ad7494 00000004 c5099e64 c5099e68 c5099e58
 1458 17:14:31.250214  <4>[  201.227373] 9e00: c0c5aecc c0c5b44c a0080013 ffffffff
 1459 17:14:31.250588  <4>[  201.232704]  r7:c5099dfc r6:ffffffff r5:a0080013 r4:c0c5b450
 1460 17:14:31.250687  <4>[  201.238649] [<c0c5b438>] (lkdtm_BUG) from [<c0c5aecc>] (lkdtm_do_action+0x2c/0x4c)
 1461 17:14:31.250773  <4>[  201.246509] [<c0c5aea0>] (lkdtm_do_action) from [<c0c5b3cc>] (direct_entry+0x120/0x18c)
 1462 17:14:31.250857  <4>[  201.254811] [<c0c5b2ac>] (direct_entry) from [<c07e42b0>] (full_proxy_write+0x64/0x94)
 1463 17:14:31.253629  <4>[  201.263019]  r9:c5099f60 r8:c3aa9540 r7:00000004 r6:b6dde000 r5:c2985280 r4:c0c5b2ac
 1464 17:14:31.293636  <4>[  201.271060] [<c07e424c>] (full_proxy_write) from [<c059c068>] (vfs_write+0x10c/0x54c)
 1465 17:14:31.294011  <4>[  201.279179]  r9:c07e424c r8:c5099f60 r7:c290d000 r6:b6dde000 r5:c2985280 r4:00000000
 1466 17:14:31.294109  <4>[  201.287219] [<c059bf5c>] (vfs_write) from [<c059c624>] (ksys_write+0x74/0xec)
 1467 17:14:31.294194  <4>[  201.294641]  r10:00000004 r9:00000000 r8:00000000 r7:b6dde000 r6:c5098000 r5:c2985280
 1468 17:14:31.294278  <4>[  201.302755]  r4:c2985280
 1469 17:14:31.294361  <4>[  201.305562] [<c059c5b0>] (ksys_write) from [<c059c6b4>] (sys_write+0x18/0x1c)
 1470 17:14:31.347240  <4>[  201.312985]  r9:c5098000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000004 r4:00000004
 1471 17:14:31.347659  <4>[  201.321022] [<c059c69c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 1472 17:14:31.347917  <4>[  201.328876] Exception stack(0xc5099fa8 to 0xc5099ff0)
 1473 17:14:31.348239  <4>[  201.334210] 9fa0:                   00000004 00000004 00000001 b6dde000 00000004 00000001
 1474 17:14:31.348435  <4>[  201.342686] 9fc0: 00000004 00000004 7ff00000 00000004 00000001 b6dde000 00020000 0045fe38
 1475 17:14:31.350686  <4>[  201.351154] 9fe0: 00000004 becdf7e8 b6ea433b b6e1d616
 1476 17:14:31.350799  # Segmentation fault
 1477 17:14:31.522821  # [  200.625027] lkdtm: Performing direct entry BUG
 1478 17:14:31.523219  # [  200.629003] ------------[ cut here ]------------
 1479 17:14:31.523308  # [  200.633508] kernel BUG at drivers/misc/lkdtm/bugs.c:76!
 1480 17:14:31.523397  # [  200.639010] Internal error: Oops - BUG: 0 [#1] SMP ARM
 1481 17:14:31.566518  # [  200.644429] Modules linked in: fuse ip_tables x_tables snd_soc_hdmi_codec stm32_adc stm32_timer_trigger stm32_lptimer_trigger snd_soc_audio_graph_card snd_soc_simple_card_utils snd_soc_stm32_sai_sub snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore adv7511 brcmfmac stm_drm sha256_generic etnaviv sha256_arm gpu_sched hci_uart btbcm cfg80211 bluetooth brcmutil ecdh_generic ecc libaes snd_soc_stm32_sai stm32_adc_core
 1482 17:14:31.566695  # [  200.683487] CPU: 0 PID: 659 Comm: cat Not tainted 5.10.220-cip49 #1
 1483 17:14:31.566786  # [  200.690029] Hardware name: STM32 (Device Tree Support)
 1484 17:14:31.566931  # [  200.695463] PC is at lkdtm_BUG+0x14/0x18
 1485 17:14:31.567022  # [  200.699645] LR is at lkdtm_do_action+0x2c/0x4c
 1486 17:14:31.569376  # [  200.704359] pc : [<c0c5b44c>]    lr : [<c0c5aecc>]    psr: a0080013
 1487 17:14:31.609672  # [  200.710912] sp : c5099e58  ip : c5099e68  fp : c5099e64
 1488 17:14:31.610069  # [  200.716416] r10: 00000004  r9 : c1ad7494  r8 : c15ec1e0
 1489 17:14:31.610213  # [  200.721921] r7 : c5099f60  r6 : 00000004  r5 : c5ec7000  r4 : 00000001
 1490 17:14:31.610303  # [  200.728736] r3 : c0c5b438  r2 : 6cd7a5ac  r1 : ef7955e0  r0 : c15ec1e8
 1491 17:14:31.610396  # [  200.735552] Flags: NzCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 1492 17:14:31.610521  # [  200.742977] Control: 10c5387d  Table: c515006a  DAC: 00000051
 1493 17:14:31.613115  # [  200.749011] Process cat (pid: 659, stack limit = 0x58ecda2d)
 1494 17:14:31.652994  # [  200.754946] Stack: (0xc5099e58 to 0xc509a000)
 1495 17:14:31.653402  # [  200.759579] 9e40:                                                       c5099e74 c5099e68
 1496 17:14:31.653510  # [  200.768060] 9e60: c0c5aecc c0c5b444 c5099e9c c5099e78 c0c5b3cc c0c5aeac c0c5b2ac c2985280
 1497 17:14:31.653596  # [  200.776536] 9e80: b6dde000 00000004 c3aa9540 c5099f60 c5099ec4 c5099ea0 c07e42b0 c0c5b2b8
 1498 17:14:31.653678  # [  200.785011] 9ea0: 00000000 c2985280 b6dde000 c290d000 c5099f60 c07e424c c5099f5c c5099ec8
 1499 17:14:31.696281  # [  200.793487] 9ec0: c059c068 c07e4258 00000001 00000000 c059c624 c13e3a68 c059c624 c5098000
 1500 17:14:31.696720  # [  200.801963] 9ee0: b6dde000 00020000 00000004 00000004 0001fffc c5099ee0 00000001 b6ddd000
 1501 17:14:31.696820  # [  200.810437] 9f00: c2985c80 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 1502 17:14:31.696940  # [  200.818914] 9f20: 00000000 00000000 c13e3a68 6cd7a5ac c206c1e0 c2985280 c2985280 c5098000
 1503 17:14:31.697031  # [  200.827390] 9f40: b6dde000 00000000 00000000 00000004 c5099f94 c5099f60 c059c624 c059bf68
 1504 17:14:31.739599  # [  200.835866] 9f60: 00000000 00000000 c5099fac 6cd7a5ac 00000004 00000004 7ff00000 00000004
 1505 17:14:31.740023  # [  200.844341] 9f80: c03002e4 c5098000 c5099fa4 c5099f98 c059c6b4 c059c5bc 00000000 c5099fa8
 1506 17:14:31.740193  # [  200.852817] 9fa0: c03000c0 c059c6a8 00000004 00000004 00000001 b6dde000 00000004 00000001
 1507 17:14:31.740337  # [  200.861293] 9fc0: 00000004 00000004 7ff00000 00000004 00000001 b6dde000 00020000 0045fe38
 1508 17:14:31.740438  # [  200.869768] 9fe0: 00000004 becdf7e8 b6ea433b b6e1d616 60080030 00000001 00000000 00000000
 1509 17:14:31.740520  # [  200.878234] Backtrace: 
 1510 17:14:31.782958  # [  200.880957] [<c0c5b438>] (lkdtm_BUG) from [<c0c5aecc>] (lkdtm_do_action+0x2c/0x4c)
 1511 17:14:31.783356  # [  200.888820] [<c0c5aea0>] (lkdtm_do_action) from [<c0c5b3cc>] (direct_entry+0x120/0x18c)
 1512 17:14:31.783473  # [  200.897123] [<c0c5b2ac>] (direct_entry) from [<c07e42b0>] (full_proxy_write+0x64/0x94)
 1513 17:14:31.783560  # [  200.905333]  r9:c5099f60 r8:c3aa9540 r7:00000004 r6:b6dde000 r5:c2985280 r4:c0c5b2ac
 1514 17:14:31.783642  # [  200.913377] [<c07e424c>] (full_proxy_write) from [<c059c068>] (vfs_write+0x10c/0x54c)
 1515 17:14:31.786517  # [  200.921498]  r9:c07e424c r8:c5099f60 r7:c290d000 r6:b6dde000 r5:c2985280 r4:00000000
 1516 17:14:31.826465  # [  200.929539] [<c059bf5c>] (vfs_write) from [<c059c624>] (ksys_write+0x74/0xec)
 1517 17:14:31.826628  # [  200.936965]  r10:00000004 r9:00000000 r8:00000000 r7:b6dde000 r6:c5098000 r5:c2985280
 1518 17:14:31.826714  # [  200.945081]  r4:c2985280
 1519 17:14:31.826796  # [  200.947888] [<c059c5b0>] (ksys_write) from [<c059c6b4>] (sys_write+0x18/0x1c)
 1520 17:14:31.826894  # [  200.955312]  r9:c5098000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000004 r4:00000004
 1521 17:14:31.829864  # [  200.963353] [<c059c69c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 1522 17:14:31.869585  # [  200.971204] Exception stack(0xc5099fa8 to 0xc5099ff0)
 1523 17:14:31.869972  # [  200.976539] 9fa0:                   00000004 00000004 00000001 b6dde000 00000004 00000001
 1524 17:14:31.870078  # [  200.985016] 9fc0: 00000004 00000004 7ff00000 00000004 00000001 b6dde000 00020000 0045fe38
 1525 17:14:31.870161  # [  200.993485] 9fe0: 00000004 becdf7e8 b6ea433b b6e1d616
 1526 17:14:31.870241  # [  200.998818] Code: e92dd800 e24cb004 e52de004 e8bd4000 (e7f001f2) 
 1527 17:14:31.870321  # [  201.005198] ---[ end trace af413873b24c9d1f ]---
 1528 17:14:31.912894  # [  201.010089] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49
 1529 17:14:31.913300  # [  201.019258] in_atomic(): 0, irqs_disabled(): 128, non_block: 0, pid: 659, name: cat
 1530 17:14:31.913400  # [  201.027204] INFO: lockdep is turned off.
 1531 17:14:31.913483  # [  201.031398] irq event stamp: 1594
 1532 17:14:31.913564  # [  201.034993] hardirqs last  enabled at (1593): [<c03d6c58>] console_unlock+0x4b0/0x6c0
 1533 17:14:31.913649  # [  201.043113] hardirqs last disabled at (1594): [<c0300c60>] __und_svc+0x60/0x6c
 1534 17:14:31.916413  # [  201.050628] softirqs last  enabled at (1590): [<c030219c>] __do_softirq+0x36c/0x5a0
 1535 17:14:31.956224  # [  201.058580] softirqs last disabled at (1577): [<c035f8f4>] __irq_exit_rcu+0x178/0x1d0
 1536 17:14:31.956640  # [  201.066705] CPU: 0 PID: 659 Comm: cat Tainted: G      D           5.10.220-cip49 #1
 1537 17:14:31.956752  # [  201.074649] Hardware name: STM32 (Device Tree Support)
 1538 17:14:31.956842  # [  201.080067] Backtrace: 
 1539 17:14:31.956924  # [  201.082789] [<c13c07f0>] (dump_backtrace) from [<c13c0bb0>] (show_stack+0x20/0x24)
 1540 17:14:31.957005  # [  201.090647]  r7:ffffffff r6:60080093 r5:00000000 r4:c1f1d018
 1541 17:14:31.959554  # [  201.096593] [<c13c0b90>] (show_stack) from [<c13c7e4c>] (dump_stack+0xe0/0x100)
 1542 17:14:31.999643  # [  201.104198] [<c13c7d6c>] (dump_stack) from [<c038ff6c>] (___might_sleep+0x188/0x2e0)
 1543 17:14:31.999794  # [  201.112231]  r9:60080093 r8:0000000b r7:c035c460 r6:00000031 r5:c19d34c0 r4:c5098000
 1544 17:14:31.999880  # [  201.120272] [<c038fde4>] (___might_sleep) from [<c0390134>] (__might_sleep+0x70/0xb0)
 1545 17:14:31.999961  # [  201.128390]  r6:00000000 r5:00000031 r4:c19d34c0
 1546 17:14:32.000041  # [  201.133293] [<c03900c4>] (__might_sleep) from [<c036db04>] (exit_signals+0x4c/0x420)
 1547 17:14:32.002878  # [  201.141321]  r6:00000001 r5:c5098000 r4:c5aa5e80
 1548 17:14:32.042911  # [  201.146224] [<c036dab8>] (exit_signals) from [<c035c460>] (do_exit+0x100/0xafc)
 1549 17:14:32.043269  # [  201.153819]  r8:0000000b r7:c1e1ca0c r6:ffffe000 r5:00000000 r4:c5aa5e80
 1550 17:14:32.043367  # [  201.160813] [<c035c360>] (do_exit) from [<c035e358>] (make_task_dead+0x68/0x74)
 1551 17:14:32.043457  # [  201.168402]  r7:c1e1ca0c
 1552 17:14:32.043540  # [  201.171208] [<c035e2f0>] (make_task_dead) from [<c030e940>] (die+0x370/0x37c)
 1553 17:14:32.043620  # [  201.178631] [<c030e5d0>] (die) from [<c030eabc>] (do_undefinstr+0x170/0x240)
 1554 17:14:32.046557  # [  201.185970]  r10:00000004 r9:c5098000 r8:c15ec1e0 r7:00000000 r6:c5099dc8 r5:c0c5b44c
 1555 17:14:32.086193  # [  201.194085]  r4:e7f001f2
 1556 17:14:32.086554  # [  201.196889] [<c030e94c>] (do_undefinstr) from [<c0300c6c>] (__und_svc_finish+0x0/0x54)
 1557 17:14:32.086649  # [  201.205093] Exception stack(0xc5099dc8 to 0xc5099e10)
 1558 17:14:32.086736  # [  201.210429] 9dc0:                   c15ec1e8 ef7955e0 6cd7a5ac c0c5b438 00000001 c5ec7000
 1559 17:14:32.086819  # [  201.218904] 9de0: 00000004 c5099f60 c15ec1e0 c1ad7494 00000004 c5099e64 c5099e68 c5099e58
 1560 17:14:32.086899  # [  201.227373] 9e00: c0c5aecc c0c5b44c a0080013 ffffffff
 1561 17:14:32.129535  # [  201.232704]  r7:c5099dfc r6:ffffffff r5:a0080013 r4:c0c5b450
 1562 17:14:32.129924  # [  201.238649] [<c0c5b438>] (lkdtm_BUG) from [<c0c5aecc>] (lkdtm_do_action+0x2c/0x4c)
 1563 17:14:32.130037  # [  201.246509] [<c0c5aea0>] (lkdtm_do_action) from [<c0c5b3cc>] (direct_entry+0x120/0x18c)
 1564 17:14:32.130127  # [  201.254811] [<c0c5b2ac>] (direct_entry) from [<c07e42b0>] (full_proxy_write+0x64/0x94)
 1565 17:14:32.130210  # [  201.263019]  r9:c5099f60 r8:c3aa9540 r7:00000004 r6:b6dde000 r5:c2985280 r4:c0c5b2ac
 1566 17:14:32.132955  # [  201.271060] [<c07e424c>] (full_proxy_write) from [<c059c068>] (vfs_write+0x10c/0x54c)
 1567 17:14:32.172874  # [  201.279179]  r9:c07e424c r8:c5099f60 r7:c290d000 r6:b6dde000 r5:c2985280 r4:00000000
 1568 17:14:32.173219  # [  201.287219] [<c059bf5c>] (vfs_write) from [<c059c624>] (ksys_write+0x74/0xec)
 1569 17:14:32.173319  # [  201.294641]  r10:00000004 r9:00000000 r8:00000000 r7:b6dde000 r6:c5098000 r5:c2985280
 1570 17:14:32.173404  # [  201.302755]  r4:c2985280
 1571 17:14:32.173484  # [  201.305562] [<c059c5b0>] (ksys_write) from [<c059c6b4>] (sys_write+0x18/0x1c)
 1572 17:14:32.173564  # [  201.312985]  r9:c5098000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000004 r4:00000004
 1573 17:14:32.226095  # [  201.321022] [<c059c69c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 1574 17:14:32.226555  # [  201.328876] Exception stack(0xc5099fa8 to 0xc5099ff0)
 1575 17:14:32.226655  # [  201.334210] 9fa0:                   00000004 00000004 00000001 b6dde000 00000004 00000001
 1576 17:14:32.226739  # [  201.342686] 9fc0: 00000004 00000004 7ff00000 00000004 00000001 b6dde000 00020000 0045fe38
 1577 17:14:32.226820  # [  201.351154] 9fe0: 00000004 becdf7e8 b6ea433b b6e1d616
 1578 17:14:32.226902  # BUG: saw 'kernel BUG at': ok
 1579 17:14:32.229423  ok 2 selftests: lkdtm: BUG.sh
 1580 17:14:32.229530  # selftests: lkdtm: WARNING.sh
 1581 17:14:32.509547  <6>[  202.488598] lkdtm: Performing direct entry WARNING
 1582 17:14:32.509942  <4>[  202.492243] ------------[ cut here ]------------
 1583 17:14:32.510052  <4>[  202.497339] WARNING: CPU: 1 PID: 731 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x48/0x4c
 1584 17:14:32.553112  <4>[  202.505874] Modules linked in: fuse ip_tables x_tables snd_soc_hdmi_codec stm32_adc stm32_timer_trigger stm32_lptimer_trigger snd_soc_audio_graph_card snd_soc_simple_card_utils snd_soc_stm32_sai_sub snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore adv7511 brcmfmac stm_drm sha256_generic etnaviv sha256_arm gpu_sched hci_uart btbcm cfg80211 bluetooth brcmutil ecdh_generic ecc libaes snd_soc_stm32_sai stm32_adc_core
 1585 17:14:32.553263  <4>[  202.545035] CPU: 1 PID: 731 Comm: cat Tainted: G      D W         5.10.220-cip49 #1
 1586 17:14:32.553355  <4>[  202.552876] Hardware name: STM32 (Device Tree Support)
 1587 17:14:32.553438  <4>[  202.558291] Backtrace: 
 1588 17:14:32.553537  <4>[  202.561019] [<c13c07f0>] (dump_backtrace) from [<c13c0bb0>] (show_stack+0x20/0x24)
 1589 17:14:32.556309  <4>[  202.568870]  r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d018
 1590 17:14:32.596476  <4>[  202.574814] [<c13c0b90>] (show_stack) from [<c13c7e4c>] (dump_stack+0xe0/0x100)
 1591 17:14:32.596633  <4>[  202.582417] [<c13c7d6c>] (dump_stack) from [<c03567c0>] (__warn+0x98/0x14c)
 1592 17:14:32.596719  <4>[  202.589666]  r9:00000009 r8:c0c5b498 r7:00000053 r6:00000009 r5:c0c5b498 r4:c1ad7b50
 1593 17:14:32.596861  <4>[  202.597706] [<c0356728>] (__warn) from [<c13c1cf0>] (warn_slowpath_fmt+0x8c/0xa8)
 1594 17:14:32.596987  <4>[  202.605478]  r7:00000053 r6:c1ad7b50 r5:00000000 r4:c5138000
 1595 17:14:32.599737  <4>[  202.611426] [<c13c1c68>] (warn_slowpath_fmt) from [<c0c5b498>] (lkdtm_WARNING+0x48/0x4c)
 1596 17:14:32.639646  <4>[  202.619812]  r9:c1ad7498 r8:c15ec1e0 r7:c5139f60 r6:00000008 r5:c5f3d000 r4:00000002
 1597 17:14:32.639781  <4>[  202.627851] [<c0c5b450>] (lkdtm_WARNING) from [<c0c5aecc>] (lkdtm_do_action+0x2c/0x4c)
 1598 17:14:32.639868  <4>[  202.636064] [<c0c5aea0>] (lkdtm_do_action) from [<c0c5b3cc>] (direct_entry+0x120/0x18c)
 1599 17:14:32.639949  <4>[  202.644368] [<c0c5b2ac>] (direct_entry) from [<c07e42b0>] (full_proxy_write+0x64/0x94)
 1600 17:14:32.642777  <4>[  202.652576]  r9:c5139f60 r8:c3aa9540 r7:00000008 r6:b6e16000 r5:c5ec2780 r4:c0c5b2ac
 1601 17:14:32.682909  <4>[  202.660620] [<c07e424c>] (full_proxy_write) from [<c059c068>] (vfs_write+0x10c/0x54c)
 1602 17:14:32.683312  <4>[  202.668740]  r9:c07e424c r8:c5139f60 r7:c290d000 r6:b6e16000 r5:c5ec2780 r4:00000000
 1603 17:14:32.683445  <4>[  202.676780] [<c059bf5c>] (vfs_write) from [<c059c624>] (ksys_write+0x74/0xec)
 1604 17:14:32.683579  <4>[  202.684204]  r10:00000004 r9:00000000 r8:00000000 r7:b6e16000 r6:c5138000 r5:c5ec2780
 1605 17:14:32.683702  <4>[  202.692321]  r4:c5ec2780
 1606 17:14:32.686431  <4>[  202.695129] [<c059c5b0>] (ksys_write) from [<c059c6b4>] (sys_write+0x18/0x1c)
 1607 17:14:32.726297  <4>[  202.702552]  r9:c5138000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000008 r4:00000008
 1608 17:14:32.726664  <4>[  202.710593] [<c059c69c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 1609 17:14:32.726807  <4>[  202.718447] Exception stack(0xc5139fa8 to 0xc5139ff0)
 1610 17:14:32.726932  <4>[  202.723784] 9fa0:                   00000008 00000008 00000001 b6e16000 00000008 00000001
 1611 17:14:32.727055  <4>[  202.732259] 9fc0: 00000008 00000008 7ff00000 00000004 00000001 b6e16000 00020000 0044fe38
 1612 17:14:32.729812  <4>[  202.740730] 9fe0: 00000004 bec5d7e8 b6edc33b b6e55616
 1613 17:14:32.729955  <4>[  202.746128] irq event stamp: 0
 1614 17:14:32.769268  <4>[  202.749461] hardirqs last  enabled at (0): [<00000000>] 0x0
 1615 17:14:32.769692  <4>[  202.755253] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac
 1616 17:14:32.769804  <4>[  202.763146] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac
 1617 17:14:32.769890  <4>[  202.770944] softirqs last disabled at (0): [<00000000>] 0x0
 1618 17:14:32.772677  <4>[  202.776684] ---[ end trace af413873b24c9d20 ]---
 1619 17:14:32.995780  # [  202.488598] lkdtm: Performing direct entry WARNING
 1620 17:14:32.996199  # [  202.492243] ------------[ cut here ]------------
 1621 17:14:32.996297  # [  202.497339] WARNING: CPU: 1 PID: 731 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x48/0x4c
 1622 17:14:33.039300  # [  202.505874] Modules linked in: fuse ip_tables x_tables snd_soc_hdmi_codec stm32_adc stm32_timer_trigger stm32_lptimer_trigger snd_soc_audio_graph_card snd_soc_simple_card_utils snd_soc_stm32_sai_sub snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore adv7511 brcmfmac stm_drm sha256_generic etnaviv sha256_arm gpu_sched hci_uart btbcm cfg80211 bluetooth brcmutil ecdh_generic ecc libaes snd_soc_stm32_sai stm32_adc_core
 1623 17:14:33.039527  # [  202.545035] CPU: 1 PID: 731 Comm: cat Tainted: G      D W         5.10.220-cip49 #1
 1624 17:14:33.039659  # [  202.552876] Hardware name: STM32 (Device Tree Support)
 1625 17:14:33.039782  # [  202.558291] Backtrace: 
 1626 17:14:33.039903  # [  202.561019] [<c13c07f0>] (dump_backtrace) from [<c13c0bb0>] (show_stack+0x20/0x24)
 1627 17:14:33.082552  # [  202.568870]  r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d018
 1628 17:14:33.083015  # [  202.574814] [<c13c0b90>] (show_stack) from [<c13c7e4c>] (dump_stack+0xe0/0x100)
 1629 17:14:33.083148  # [  202.582417] [<c13c7d6c>] (dump_stack) from [<c03567c0>] (__warn+0x98/0x14c)
 1630 17:14:33.083270  # [  202.589666]  r9:00000009 r8:c0c5b498 r7:00000053 r6:00000009 r5:c0c5b498 r4:c1ad7b50
 1631 17:14:33.083392  # [  202.597706] [<c0356728>] (__warn) from [<c13c1cf0>] (warn_slowpath_fmt+0x8c/0xa8)
 1632 17:14:33.083522  # [  202.605478]  r7:00000053 r6:c1ad7b50 r5:00000000 r4:c5138000
 1633 17:14:33.125809  # [  202.611426] [<c13c1c68>] (warn_slowpath_fmt) from [<c0c5b498>] (lkdtm_WARNING+0x48/0x4c)
 1634 17:14:33.126222  # [  202.619812]  r9:c1ad7498 r8:c15ec1e0 r7:c5139f60 r6:00000008 r5:c5f3d000 r4:00000002
 1635 17:14:33.126354  # [  202.627851] [<c0c5b450>] (lkdtm_WARNING) from [<c0c5aecc>] (lkdtm_do_action+0x2c/0x4c)
 1636 17:14:33.126478  # [  202.636064] [<c0c5aea0>] (lkdtm_do_action) from [<c0c5b3cc>] (direct_entry+0x120/0x18c)
 1637 17:14:33.126600  # [  202.644368] [<c0c5b2ac>] (direct_entry) from [<c07e42b0>] (full_proxy_write+0x64/0x94)
 1638 17:14:33.129263  # [  202.652576]  r9:c5139f60 r8:c3aa9540 r7:00000008 r6:b6e16000 r5:c5ec2780 r4:c0c5b2ac
 1639 17:14:33.169346  # [  202.660620] [<c07e424c>] (full_proxy_write) from [<c059c068>] (vfs_write+0x10c/0x54c)
 1640 17:14:33.169503  # [  202.668740]  r9:c07e424c r8:c5139f60 r7:c290d000 r6:b6e16000 r5:c5ec2780 r4:00000000
 1641 17:14:33.169589  # [  202.676780] [<c059bf5c>] (vfs_write) from [<c059c624>] (ksys_write+0x74/0xec)
 1642 17:14:33.169670  # [  202.684204]  r10:00000004 r9:00000000 r8:00000000 r7:b6e16000 r6:c5138000 r5:c5ec2780
 1643 17:14:33.169750  # [  202.692321]  r4:c5ec2780
 1644 17:14:33.172598  # [  202.695129] [<c059c5b0>] (ksys_write) from [<c059c6b4>] (sys_write+0x18/0x1c)
 1645 17:14:33.212527  # [  202.702552]  r9:c5138000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000008 r4:00000008
 1646 17:14:33.213006  # [  202.710593] [<c059c69c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 1647 17:14:33.213107  # [  202.718447] Exception stack(0xc5139fa8 to 0xc5139ff0)
 1648 17:14:33.213227  # [  202.723784] 9fa0:                   00000008 00000008 00000001 b6e16000 00000008 00000001
 1649 17:14:33.213320  # [  202.732259] 9fc0: 00000008 00000008 7ff00000 00000004 00000001 b6e16000 00020000 0044fe38
 1650 17:14:33.215876  # [  202.740730] 9fe0: 00000004 bec5d7e8 b6edc33b b6e55616
 1651 17:14:33.216018  # [  202.746128] irq event stamp: 0
 1652 17:14:33.266196  # [  202.749461] hardirqs last  enabled at (0): [<00000000>] 0x0
 1653 17:14:33.266581  # [  202.755253] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac
 1654 17:14:33.266684  # [  202.763146] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac
 1655 17:14:33.266767  # [  202.770944] softirqs last disabled at (0): [<00000000>] 0x0
 1656 17:14:33.266889  # [  202.776684] ---[ end trace af413873b24c9d20 ]---
 1657 17:14:33.266980  # WARNING: saw 'WARNING:': ok
 1658 17:14:33.267060  ok 3 selftests: lkdtm: WARNING.sh
 1659 17:14:33.269640  # selftests: lkdtm: WARNING_MESSAGE.sh
 1660 17:14:33.581550  <6>[  203.558660] lkdtm: Performing direct entry WARNING_MESSAGE
 1661 17:14:33.581935  <4>[  203.563003] ------------[ cut here ]------------
 1662 17:14:33.582030  <4>[  203.568105] WARNING: CPU: 1 PID: 767 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x4c/0x54
 1663 17:14:33.582115  <4>[  203.577427] Warning message trigger count: 2
 1664 17:14:33.625113  <4>[  203.581869] Modules linked in: fuse ip_tables x_tables snd_soc_hdmi_codec stm32_adc stm32_timer_trigger stm32_lptimer_trigger snd_soc_audio_graph_card snd_soc_simple_card_utils snd_soc_stm32_sai_sub snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore adv7511 brcmfmac stm_drm sha256_generic etnaviv sha256_arm gpu_sched hci_uart btbcm cfg80211 bluetooth brcmutil ecdh_generic ecc libaes snd_soc_stm32_sai stm32_adc_core
 1665 17:14:33.625279  <4>[  203.621027] CPU: 1 PID: 767 Comm: cat Tainted: G      D W         5.10.220-cip49 #1
 1666 17:14:33.625366  <4>[  203.628879] Hardware name: STM32 (Device Tree Support)
 1667 17:14:33.625448  <4>[  203.634296] Backtrace: 
 1668 17:14:33.628349  <4>[  203.637025] [<c13c07f0>] (dump_backtrace) from [<c13c0bb0>] (show_stack+0x20/0x24)
 1669 17:14:33.668232  <4>[  203.644880]  r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d018
 1670 17:14:33.668614  <4>[  203.650825] [<c13c0b90>] (show_stack) from [<c13c7e4c>] (dump_stack+0xe0/0x100)
 1671 17:14:33.668722  <4>[  203.658430] [<c13c7d6c>] (dump_stack) from [<c03567c0>] (__warn+0x98/0x14c)
 1672 17:14:33.668807  <4>[  203.665676]  r9:00000009 r8:c0c5b4e8 r7:00000058 r6:00000009 r5:c0c5b4e8 r4:c1ad7b50
 1673 17:14:33.668890  <4>[  203.673718] [<c0356728>] (__warn) from [<c13c1cf0>] (warn_slowpath_fmt+0x8c/0xa8)
 1674 17:14:33.668973  <4>[  203.681491]  r7:00000058 r6:c1ad7b50 r5:c1ad7b6c r4:c5dec000
 1675 17:14:33.711563  <4>[  203.687438] [<c13c1c68>] (warn_slowpath_fmt) from [<c0c5b4e8>] (lkdtm_WARNING_MESSAGE+0x4c/0x54)
 1676 17:14:33.711929  <4>[  203.696522]  r9:c1ad74a0 r8:c15ec1e0 r7:c5dedf60 r6:00000010 r5:c5f3d000 r4:00000003
 1677 17:14:33.712023  <4>[  203.704564] [<c0c5b49c>] (lkdtm_WARNING_MESSAGE) from [<c0c5aecc>] (lkdtm_do_action+0x2c/0x4c)
 1678 17:14:33.712107  <4>[  203.713477] [<c0c5aea0>] (lkdtm_do_action) from [<c0c5b3cc>] (direct_entry+0x120/0x18c)
 1679 17:14:33.712189  <4>[  203.721783] [<c0c5b2ac>] (direct_entry) from [<c07e42b0>] (full_proxy_write+0x64/0x94)
 1680 17:14:33.754949  <4>[  203.729993]  r9:c5dedf60 r8:c3aa9540 r7:00000010 r6:b6e5b000 r5:c5bc2140 r4:c0c5b2ac
 1681 17:14:33.755334  <4>[  203.738039] [<c07e424c>] (full_proxy_write) from [<c059c068>] (vfs_write+0x10c/0x54c)
 1682 17:14:33.755430  <4>[  203.746161]  r9:c07e424c r8:c5dedf60 r7:c290d000 r6:b6e5b000 r5:c5bc2140 r4:00000000
 1683 17:14:33.755522  <4>[  203.754203] [<c059bf5c>] (vfs_write) from [<c059c624>] (ksys_write+0x74/0xec)
 1684 17:14:33.755606  <4>[  203.761629]  r10:00000004 r9:00000000 r8:00000000 r7:b6e5b000 r6:c5dec000 r5:c5bc2140
 1685 17:14:33.755688  <4>[  203.769748]  r4:c5bc2140
 1686 17:14:33.798257  <4>[  203.772555] [<c059c5b0>] (ksys_write) from [<c059c6b4>] (sys_write+0x18/0x1c)
 1687 17:14:33.798607  <4>[  203.779984]  r9:c5dec000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000010 r4:00000010
 1688 17:14:33.798705  <4>[  203.788027] [<c059c69c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 1689 17:14:33.798789  <4>[  203.795881] Exception stack(0xc5dedfa8 to 0xc5dedff0)
 1690 17:14:33.798873  <4>[  203.801218] dfa0:                   00000010 00000010 00000001 b6e5b000 00000010 00000001
 1691 17:14:33.801832  <4>[  203.809696] dfc0: 00000010 00000010 7ff00000 00000004 00000001 b6e5b000 00020000 0047fe38
 1692 17:14:33.846266  <4>[  203.818168] dfe0: 00000004 be95a7e8 b6f2133b b6e9a616
 1693 17:14:33.846457  <4>[  203.823567] irq event stamp: 0
 1694 17:14:33.846772  <4>[  203.826840] hardirqs last  enabled at (0): [<00000000>] 0x0
 1695 17:14:33.846865  <4>[  203.832774] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac
 1696 17:14:33.846951  <4>[  203.840581] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac
 1697 17:14:33.847035  <4>[  203.848345] softirqs last disabled at (0): [<00000000>] 0x0
 1698 17:14:33.849700  <4>[  203.854093] ---[ end trace af413873b24c9d21 ]---
 1699 17:14:34.072934  # [  203.558660] lkdtm: Performing direct entry WARNING_MESSAGE
 1700 17:14:34.073108  # [  203.563003] ------------[ cut here ]------------
 1701 17:14:34.073196  # [  203.568105] WARNING: CPU: 1 PID: 767 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x4c/0x54
 1702 17:14:34.073280  # [  203.577427] Warning message trigger count: 2
 1703 17:14:34.116228  # [  203.581869] Modules linked in: fuse ip_tables x_tables snd_soc_hdmi_codec stm32_adc stm32_timer_trigger stm32_lptimer_trigger snd_soc_audio_graph_card snd_soc_simple_card_utils snd_soc_stm32_sai_sub snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore adv7511 brcmfmac stm_drm sha256_generic etnaviv sha256_arm gpu_sched hci_uart btbcm cfg80211 bluetooth brcmutil ecdh_generic ecc libaes snd_soc_stm32_sai stm32_adc_core
 1704 17:14:34.116402  # [  203.621027] CPU: 1 PID: 767 Comm: cat Tainted: G      D W         5.10.220-cip49 #1
 1705 17:14:34.116489  # [  203.628879] Hardware name: STM32 (Device Tree Support)
 1706 17:14:34.116572  # [  203.634296] Backtrace: 
 1707 17:14:34.159412  # [  203.637025] [<c13c07f0>] (dump_backtrace) from [<c13c0bb0>] (show_stack+0x20/0x24)
 1708 17:14:34.159809  # [  203.644880]  r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d018
 1709 17:14:34.159909  # [  203.650825] [<c13c0b90>] (show_stack) from [<c13c7e4c>] (dump_stack+0xe0/0x100)
 1710 17:14:34.159992  # [  203.658430] [<c13c7d6c>] (dump_stack) from [<c03567c0>] (__warn+0x98/0x14c)
 1711 17:14:34.160076  # [  203.665676]  r9:00000009 r8:c0c5b4e8 r7:00000058 r6:00000009 r5:c0c5b4e8 r4:c1ad7b50
 1712 17:14:34.160157  # [  203.673718] [<c0356728>] (__warn) from [<c13c1cf0>] (warn_slowpath_fmt+0x8c/0xa8)
 1713 17:14:34.162725  # [  203.681491]  r7:00000058 r6:c1ad7b50 r5:c1ad7b6c r4:c5dec000
 1714 17:14:34.202916  # [  203.687438] [<c13c1c68>] (warn_slowpath_fmt) from [<c0c5b4e8>] (lkdtm_WARNING_MESSAGE+0x4c/0x54)
 1715 17:14:34.203076  # [  203.696522]  r9:c1ad74a0 r8:c15ec1e0 r7:c5dedf60 r6:00000010 r5:c5f3d000 r4:00000003
 1716 17:14:34.203162  # [  203.704564] [<c0c5b49c>] (lkdtm_WARNING_MESSAGE) from [<c0c5aecc>] (lkdtm_do_action+0x2c/0x4c)
 1717 17:14:34.203260  # [  203.713477] [<c0c5aea0>] (lkdtm_do_action) from [<c0c5b3cc>] (direct_entry+0x120/0x18c)
 1718 17:14:34.206271  # [  203.721783] [<c0c5b2ac>] (direct_entry) from [<c07e42b0>] (full_proxy_write+0x64/0x94)
 1719 17:14:34.246087  # [  203.729993]  r9:c5dedf60 r8:c3aa9540 r7:00000010 r6:b6e5b000 r5:c5bc2140 r4:c0c5b2ac
 1720 17:14:34.246479  # [  203.738039] [<c07e424c>] (full_proxy_write) from [<c059c068>] (vfs_write+0x10c/0x54c)
 1721 17:14:34.246575  # [  203.746161]  r9:c07e424c r8:c5dedf60 r7:c290d000 r6:b6e5b000 r5:c5bc2140 r4:00000000
 1722 17:14:34.246659  # [  203.754203] [<c059bf5c>] (vfs_write) from [<c059c624>] (ksys_write+0x74/0xec)
 1723 17:14:34.246780  # [  203.761629]  r10:00000004 r9:00000000 r8:00000000 r7:b6e5b000 r6:c5dec000 r5:c5bc2140
 1724 17:14:34.249654  # [  203.769748]  r4:c5bc2140
 1725 17:14:34.289263  # [  203.772555] [<c059c5b0>] (ksys_write) from [<c059c6b4>] (sys_write+0x18/0x1c)
 1726 17:14:34.289652  # [  203.779984]  r9:c5dec000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000010 r4:00000010
 1727 17:14:34.289783  # [  203.788027] [<c059c69c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 1728 17:14:34.289904  # [  203.795881] Exception stack(0xc5dedfa8 to 0xc5dedff0)
 1729 17:14:34.290026  # [  203.801218] dfa0:                   00000010 00000010 00000001 b6e5b000 00000010 00000001
 1730 17:14:34.292885  # [  203.809696] dfc0: 00000010 00000010 7ff00000 00000004 00000001 b6e5b000 00020000 0047fe38
 1731 17:14:34.332588  # [  203.818168] dfe0: 00000004 be95a7e8 b6f2133b b6e9a616
 1732 17:14:34.332969  # [  203.823567] irq event stamp: 0
 1733 17:14:34.333064  # [  203.826840] hardirqs last  enabled at (0): [<00000000>] 0x0
 1734 17:14:34.333186  # [  203.832774] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac
 1735 17:14:34.333309  # [  203.840581] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac
 1736 17:14:34.333430  # [  203.848345] softirqs last disabled at (0): [<00000000>] 0x0
 1737 17:14:34.333549  # [  203.854093] ---[ end trace af413873b24c9d21 ]---
 1738 17:14:34.335989  # WARNING_MESSAGE: saw 'message trigger': ok
 1739 17:14:34.353210  ok 4 selftests: lkdtm: WARNING_MESSAGE.sh
 1740 17:14:34.356431  # selftests: lkdtm: EXCEPTION.sh
 1741 17:14:34.630650  <6>[  204.612552] lkdtm: Performing direct entry EXCEPTION
 1742 17:14:34.631156  <1>[  204.616384] 8<--- cut here ---
 1743 17:14:34.631291  <1>[  204.619873] Unable to handle kernel NULL pointer dereference at virtual address 00000000
 1744 17:14:34.631424  <1>[  204.628270] pgd = c39da3e1
 1745 17:14:34.631555  <1>[  204.631048] [00000000] *pgd=00000000
 1746 17:14:34.631674  <0>[  204.634927] Internal error: Oops: 805 [#2] SMP ARM
 1747 17:14:34.674380  <4>[  204.639950] Modules linked in: fuse ip_tables x_tables snd_soc_hdmi_codec stm32_adc stm32_timer_trigger stm32_lptimer_trigger snd_soc_audio_graph_card snd_soc_simple_card_utils snd_soc_stm32_sai_sub snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore adv7511 brcmfmac stm_drm sha256_generic etnaviv sha256_arm gpu_sched hci_uart btbcm cfg80211 bluetooth brcmutil ecdh_generic ecc libaes snd_soc_stm32_sai stm32_adc_core
 1748 17:14:34.674538  <4>[  204.679007] CPU: 1 PID: 800 Comm: cat Tainted: G      D W         5.10.220-cip49 #1
 1749 17:14:34.674642  <4>[  204.686941] Hardware name: STM32 (Device Tree Support)
 1750 17:14:34.677793  <4>[  204.692376] PC is at lkdtm_EXCEPTION+0x18/0x20
 1751 17:14:34.717484  <4>[  204.697082] LR is at lkdtm_do_action+0x2c/0x4c
 1752 17:14:34.717850  <4>[  204.701795] pc : [<c0c5b508>]    lr : [<c0c5aecc>]    psr: a0080013
 1753 17:14:34.717943  <4>[  204.708346] sp : c5dede58  ip : c5dede68  fp : c5dede64
 1754 17:14:34.718066  <4>[  204.713850] r10: 0000000a  r9 : c1ad74b0  r8 : c15ec1e0
 1755 17:14:34.718157  <4>[  204.719354] r7 : c5dedf60  r6 : 0000000a  r5 : c5f3d000  r4 : 00000004
 1756 17:14:34.718238  <4>[  204.726168] r3 : 00000000  r2 : 0d1cc233  r1 : ef7aa5e0  r0 : c15ec200
 1757 17:14:34.721123  <4>[  204.732983] Flags: NzCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 1758 17:14:34.760914  <4>[  204.740408] Control: 10c5387d  Table: c506806a  DAC: 00000051
 1759 17:14:34.761342  <0>[  204.746439] Process cat (pid: 800, stack limit = 0x46c7efa7)
 1760 17:14:34.761483  <0>[  204.752376] Stack: (0xc5dede58 to 0xc5dee000)
 1761 17:14:34.761605  <0>[  204.757009] de40:                                                       c5dede74 c5dede68
 1762 17:14:34.761698  <0>[  204.765486] de60: c0c5aecc c0c5b4fc c5dede9c c5dede78 c0c5b3cc c0c5aeac c0c5b2ac c4fc0a00
 1763 17:14:34.764292  <0>[  204.773961] de80: b6dec000 0000000a c3aa9540 c5dedf60 c5dedec4 c5dedea0 c07e42b0 c0c5b2b8
 1764 17:14:34.804415  <0>[  204.782435] dea0: 00000000 c4fc0a00 b6dec000 c290d000 c5dedf60 c07e424c c5dedf5c c5dedec8
 1765 17:14:34.804568  <0>[  204.790910] dec0: c059c068 c07e4258 00000001 00000000 c059c624 c4a6c5e4 c059c624 c5dec000
 1766 17:14:34.804655  <0>[  204.799384] dee0: b6dec000 00020000 00000004 0000000a 0001fff6 c5dedee0 00000001 00000805
 1767 17:14:34.804739  <0>[  204.807858] df00: c5c7fdc0 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 1768 17:14:34.807643  <0>[  204.816333] df20: 00000000 00000000 c5dec000 0d1cc233 b6deb000 c4fc0a00 c4fc0a00 c5dec000
 1769 17:14:34.847447  <0>[  204.824807] df40: b6dec000 00000000 00000000 00000004 c5dedf94 c5dedf60 c059c624 c059bf68
 1770 17:14:34.847875  <0>[  204.833281] df60: 00000000 00000000 c5dedfac 0d1cc233 0000000a 0000000a 7ff00000 00000004
 1771 17:14:34.847976  <0>[  204.841756] df80: c03002e4 c5dec000 c5dedfa4 c5dedf98 c059c6b4 c059c5bc 00000000 c5dedfa8
 1772 17:14:34.848060  <0>[  204.850229] dfa0: c03000c0 c059c6a8 0000000a 0000000a 00000001 b6dec000 0000000a 00000001
 1773 17:14:34.850801  <0>[  204.858701] dfc0: 0000000a 0000000a 7ff00000 00000004 00000001 b6dec000 00020000 0041fe38
 1774 17:14:34.890805  <0>[  204.867175] dfe0: 00000004 be99a7e8 b6eb233b b6e2b616 60080030 00000001 00000000 00000000
 1775 17:14:34.891187  <0>[  204.875639] Backtrace: 
 1776 17:14:34.891283  <0>[  204.878363] [<c0c5b4f0>] (lkdtm_EXCEPTION) from [<c0c5aecc>] (lkdtm_do_action+0x2c/0x4c)
 1777 17:14:34.891369  <0>[  204.886750] [<c0c5aea0>] (lkdtm_do_action) from [<c0c5b3cc>] (direct_entry+0x120/0x18c)
 1778 17:14:34.891458  <0>[  204.895049] [<c0c5b2ac>] (direct_entry) from [<c07e42b0>] (full_proxy_write+0x64/0x94)
 1779 17:14:34.894405  <0>[  204.903256]  r9:c5dedf60 r8:c3aa9540 r7:0000000a r6:b6dec000 r5:c4fc0a00 r4:c0c5b2ac
 1780 17:14:34.934103  <0>[  204.911298] [<c07e424c>] (full_proxy_write) from [<c059c068>] (vfs_write+0x10c/0x54c)
 1781 17:14:34.934521  <0>[  204.919418]  r9:c07e424c r8:c5dedf60 r7:c290d000 r6:b6dec000 r5:c4fc0a00 r4:00000000
 1782 17:14:34.934658  <0>[  204.927460] [<c059bf5c>] (vfs_write) from [<c059c624>] (ksys_write+0x74/0xec)
 1783 17:14:34.934783  <0>[  204.934883]  r10:00000004 r9:00000000 r8:00000000 r7:b6dec000 r6:c5dec000 r5:c4fc0a00
 1784 17:14:34.934906  <0>[  204.942999]  r4:c4fc0a00
 1785 17:14:34.935028  <0>[  204.945805] [<c059c5b0>] (ksys_write) from [<c059c6b4>] (sys_write+0x18/0x1c)
 1786 17:14:34.977469  <0>[  204.953232]  r9:c5dec000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000000a r4:0000000a
 1787 17:14:34.977899  <0>[  204.961277] [<c059c69c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 1788 17:14:34.978040  <0>[  204.969124] Exception stack(0xc5dedfa8 to 0xc5dedff0)
 1789 17:14:34.978167  <0>[  204.974459] dfa0:                   0000000a 0000000a 00000001 b6dec000 0000000a 00000001
 1790 17:14:34.978291  <0>[  204.982936] dfc0: 0000000a 0000000a 7ff00000 00000004 00000001 b6dec000 00020000 0041fe38
 1791 17:14:34.978537  <0>[  204.991405] dfe0: 00000004 be99a7e8 b6eb233b b6e2b616
 1792 17:14:34.998181  <0>[  204.996740] Code: e24cb004 e52de004 e8bd4000 e3a03000 (e5833000) 
 1793 17:14:35.001395  <4>[  205.003223] ---[ end trace af413873b24c9d22 ]---
 1794 17:14:35.001575  # Segmentation fault
 1795 17:14:35.270566  # [  204.612552] lkdtm: Performing direct entry EXCEPTION
 1796 17:14:35.271051  # [  204.616384] 8<--- cut here ---
 1797 17:14:35.271182  # [  204.619873] Unable to handle kernel NULL pointer dereference at virtual address 00000000
 1798 17:14:35.271307  # [  204.628270] pgd = c39da3e1
 1799 17:14:35.271426  # [  204.631048] [00000000] *pgd=00000000
 1800 17:14:35.271523  # [  204.634927] Internal error: Oops: 805 [#2] SMP ARM
 1801 17:14:35.314300  # [  204.639950] Modules linked in: fuse ip_tables x_tables snd_soc_hdmi_codec stm32_adc stm32_timer_trigger stm32_lptimer_trigger snd_soc_audio_graph_card snd_soc_simple_card_utils snd_soc_stm32_sai_sub snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore adv7511 brcmfmac stm_drm sha256_generic etnaviv sha256_arm gpu_sched hci_uart btbcm cfg80211 bluetooth brcmutil ecdh_generic ecc libaes snd_soc_stm32_sai stm32_adc_core
 1802 17:14:35.314527  # [  204.679007] CPU: 1 PID: 800 Comm: cat Tainted: G      D W         5.10.220-cip49 #1
 1803 17:14:35.314654  # [  204.686941] Hardware name: STM32 (Device Tree Support)
 1804 17:14:35.317496  # [  204.692376] PC is at lkdtm_EXCEPTION+0x18/0x20
 1805 17:14:35.357190  # [  204.697082] LR is at lkdtm_do_action+0x2c/0x4c
 1806 17:14:35.357564  # [  204.701795] pc : [<c0c5b508>]    lr : [<c0c5aecc>]    psr: a0080013
 1807 17:14:35.357663  # [  204.708346] sp : c5dede58  ip : c5dede68  fp : c5dede64
 1808 17:14:35.357748  # [  204.713850] r10: 0000000a  r9 : c1ad74b0  r8 : c15ec1e0
 1809 17:14:35.357829  # [  204.719354] r7 : c5dedf60  r6 : 0000000a  r5 : c5f3d000  r4 : 00000004
 1810 17:14:35.357909  # [  204.726168] r3 : 00000000  r2 : 0d1cc233  r1 : ef7aa5e0  r0 : c15ec200
 1811 17:14:35.360591  # [  204.732983] Flags: NzCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 1812 17:14:35.400540  # [  204.740408] Control: 10c5387d  Table: c506806a  DAC: 00000051
 1813 17:14:35.400982  # [  204.746439] Process cat (pid: 800, stack limit = 0x46c7efa7)
 1814 17:14:35.401117  # [  204.752376] Stack: (0xc5dede58 to 0xc5dee000)
 1815 17:14:35.401249  # [  204.757009] de40:                                                       c5dede74 c5dede68
 1816 17:14:35.401343  # [  204.765486] de60: c0c5aecc c0c5b4fc c5dede9c c5dede78 c0c5b3cc c0c5aeac c0c5b2ac c4fc0a00
 1817 17:14:35.404044  # [  204.773961] de80: b6dec000 0000000a c3aa9540 c5dedf60 c5dedec4 c5dedea0 c07e42b0 c0c5b2b8
 1818 17:14:35.443875  # [  204.782435] dea0: 00000000 c4fc0a00 b6dec000 c290d000 c5dedf60 c07e424c c5dedf5c c5dedec8
 1819 17:14:35.444280  # [  204.790910] dec0: c059c068 c07e4258 00000001 00000000 c059c624 c4a6c5e4 c059c624 c5dec000
 1820 17:14:35.444377  # [  204.799384] dee0: b6dec000 00020000 00000004 0000000a 0001fff6 c5dedee0 00000001 00000805
 1821 17:14:35.444461  # [  204.807858] df00: c5c7fdc0 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 1822 17:14:35.444543  # [  204.816333] df20: 00000000 00000000 c5dec000 0d1cc233 b6deb000 c4fc0a00 c4fc0a00 c5dec000
 1823 17:14:35.487262  # [  204.824807] df40: b6dec000 00000000 00000000 00000004 c5dedf94 c5dedf60 c059c624 c059bf68
 1824 17:14:35.487641  # [  204.833281] df60: 00000000 00000000 c5dedfac 0d1cc233 0000000a 0000000a 7ff00000 00000004
 1825 17:14:35.487791  # [  204.841756] df80: c03002e4 c5dec000 c5dedfa4 c5dedf98 c059c6b4 c059c5bc 00000000 c5dedfa8
 1826 17:14:35.487921  # [  204.850229] dfa0: c03000c0 c059c6a8 0000000a 0000000a 00000001 b6dec000 0000000a 00000001
 1827 17:14:35.488045  # [  204.858701] dfc0: 0000000a 0000000a 7ff00000 00000004 00000001 b6dec000 00020000 0041fe38
 1828 17:14:35.530533  # [  204.867175] dfe0: 00000004 be99a7e8 b6eb233b b6e2b616 60080030 00000001 00000000 00000000
 1829 17:14:35.530798  # [  204.875639] Backtrace: 
 1830 17:14:35.531108  # [  204.878363] [<c0c5b4f0>] (lkdtm_EXCEPTION) from [<c0c5aecc>] (lkdtm_do_action+0x2c/0x4c)
 1831 17:14:35.531197  # [  204.886750] [<c0c5aea0>] (lkdtm_do_action) from [<c0c5b3cc>] (direct_entry+0x120/0x18c)
 1832 17:14:35.531280  # [  204.895049] [<c0c5b2ac>] (direct_entry) from [<c07e42b0>] (full_proxy_write+0x64/0x94)
 1833 17:14:35.531402  # [  204.903256]  r9:c5dedf60 r8:c3aa9540 r7:0000000a r6:b6dec000 r5:c4fc0a00 r4:c0c5b2ac
 1834 17:14:35.573797  # [  204.911298] [<c07e424c>] (full_proxy_write) from [<c059c068>] (vfs_write+0x10c/0x54c)
 1835 17:14:35.574335  # [  204.919418]  r9:c07e424c r8:c5dedf60 r7:c290d000 r6:b6dec000 r5:c4fc0a00 r4:00000000
 1836 17:14:35.574481  # [  204.927460] [<c059bf5c>] (vfs_write) from [<c059c624>] (ksys_write+0x74/0xec)
 1837 17:14:35.574575  # [  204.934883]  r10:00000004 r9:00000000 r8:00000000 r7:b6dec000 r6:c5dec000 r5:c4fc0a00
 1838 17:14:35.574657  # [  204.942999]  r4:c4fc0a00
 1839 17:14:35.574740  # [  204.945805] [<c059c5b0>] (ksys_write) from [<c059c6b4>] (sys_write+0x18/0x1c)
 1840 17:14:35.577358  # [  204.953232]  r9:c5dec000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000000a r4:0000000a
 1841 17:14:35.617409  # [  204.961277] [<c059c69c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 1842 17:14:35.617632  # [  204.969124] Exception stack(0xc5dedfa8 to 0xc5dedff0)
 1843 17:14:35.617762  # [  204.974459] dfa0:                   0000000a 0000000a 00000001 b6dec000 0000000a 00000001
 1844 17:14:35.617888  # [  204.982936] dfc0: 0000000a 0000000a 7ff00000 00000004 00000001 b6dec000 00020000 0041fe38
 1845 17:14:35.618017  # [  204.991405] dfe0: 00000004 be99a7e8 b6eb233b b6e2b616
 1846 17:14:35.620736  # [  204.996740] Code: e24cb004 e52de004 e8bd4000 e3a03000 (e5833000) 
 1847 17:14:35.643221  # [  205.003223] ---[ end trace af413873b24c9d22 ]---
 1848 17:14:35.643709  # EXCEPTION: missing 'call trace:': [FAIL]
 1849 17:14:35.643842  not ok 5 selftests: lkdtm: EXCEPTION.sh # exit=1
 1850 17:14:35.649876  # selftests: lkdtm: LOOP.sh
 1851 17:14:35.726406  # Skipping LOOP: Hangs the system
 1852 17:14:35.742388  ok 6 selftests: lkdtm: LOOP.sh # SKIP
 1853 17:14:35.774378  # selftests: lkdtm: EXHAUST_STACK.sh
 1854 17:14:36.078242  # Skipping EXHAUST_STACK: Corrupts memory on failure
 1855 17:14:36.094280  ok 7 selftests: lkdtm: EXHAUST_STACK.sh # SKIP
 1856 17:14:36.126505  # selftests: lkdtm: CORRUPT_STACK.sh
 1857 17:14:36.398608  # Skipping CORRUPT_STACK: Crashes entire system on success
 1858 17:14:36.414367  ok 8 selftests: lkdtm: CORRUPT_STACK.sh # SKIP
 1859 17:14:36.446329  # selftests: lkdtm: CORRUPT_STACK_STRONG.sh
 1860 17:14:36.744175  # Skipping CORRUPT_STACK_STRONG: Crashes entire system on success
 1861 17:14:36.747532  ok 9 selftests: lkdtm: CORRUPT_STACK_STRONG.sh # SKIP
 1862 17:14:36.779283  # selftests: lkdtm: CORRUPT_LIST_ADD.sh
 1863 17:14:37.202426  <6>[  207.195571] lkdtm: Performing direct entry CORRUPT_LIST_ADD
 1864 17:14:37.202616  <6>[  207.200129] lkdtm: attempting good list addition
 1865 17:14:37.202708  <6>[  207.204886] lkdtm: attempting corrupted list addition
 1866 17:14:37.205524  <3>[  207.210351] lkdtm: list_add() corruption not detected!
 1867 17:14:37.346195  # [  207.195571] lkdtm: Performing direct entry CORRUPT_LIST_ADD
 1868 17:14:37.346579  # [  207.200129] lkdtm: attempting good list addition
 1869 17:14:37.346674  # [  207.204886] lkdtm: attempting corrupted list addition
 1870 17:14:37.349594  # [  207.210351] lkdtm: list_add() corruption not detected!
 1871 17:14:37.365315  # CORRUPT_LIST_ADD: missing 'list_add corruption': [FAIL]
 1872 17:14:37.413427  not ok 10 selftests: lkdtm: CORRUPT_LIST_ADD.sh # exit=1
 1873 17:14:37.445319  # selftests: lkdtm: CORRUPT_LIST_DEL.sh
 1874 17:14:37.906130  <6>[  207.898083] lkdtm: Performing direct entry CORRUPT_LIST_DEL
 1875 17:14:37.906612  <6>[  207.902512] lkdtm: attempting good list removal
 1876 17:14:37.906748  <6>[  207.907474] lkdtm: attempting corrupted list removal
 1877 17:14:37.909498  <3>[  207.912555] lkdtm: list_del() corruption not detected!
 1878 17:14:38.035344  # [  207.898083] lkdtm: Performing direct entry CORRUPT_LIST_DEL
 1879 17:14:38.035530  # [  207.902512] lkdtm: attempting good list removal
 1880 17:14:38.035675  # [  207.907474] lkdtm: attempting corrupted list removal
 1881 17:14:38.038642  # [  207.912555] lkdtm: list_del() corruption not detected!
 1882 17:14:38.054237  # CORRUPT_LIST_DEL: missing 'list_del corruption': [FAIL]
 1883 17:14:38.118280  not ok 11 selftests: lkdtm: CORRUPT_LIST_DEL.sh # exit=1
 1884 17:14:38.150087  # selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh
 1885 17:14:38.621377  <6>[  208.614650] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING
 1886 17:14:38.621551  <6>[  208.619877] lkdtm: attempting bad read from page below current stack
 1887 17:14:38.624654  <3>[  208.626409] lkdtm: FAIL: accessed page before stack! (byte: 0)
 1888 17:14:38.765372  # [  208.614650] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING
 1889 17:14:38.765539  # [  208.619877] lkdtm: attempting bad read from page below current stack
 1890 17:14:38.768666  # [  208.626409] lkdtm: FAIL: accessed page before stack! (byte: 0)
 1891 17:14:38.784480  # STACK_GUARD_PAGE_LEADING: missing 'call trace:': [FAIL]
 1892 17:14:38.838325  not ok 12 selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh # exit=1
 1893 17:14:38.854473  # selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh
 1894 17:14:39.260454  <6>[  209.253208] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING
 1895 17:14:39.260639  <6>[  209.258522] lkdtm: attempting bad read from page above current stack
 1896 17:14:39.263633  <3>[  209.265055] lkdtm: FAIL: accessed page after stack! (byte: 59)
 1897 17:14:39.390443  # [  209.253208] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING
 1898 17:14:39.390635  # [  209.258522] lkdtm: attempting bad read from page above current stack
 1899 17:14:39.393779  # [  209.265055] lkdtm: FAIL: accessed page after stack! (byte: 59)
 1900 17:14:39.425070  # STACK_GUARD_PAGE_TRAILING: missing 'call trace:': [FAIL]
 1901 17:14:39.489290  not ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # exit=1
 1902 17:14:39.505456  # selftests: lkdtm: UNSET_SMEP.sh
 1903 17:14:42.595150  <6>[  212.599127] lkdtm: Performing direct entry UNSET_SMEP
 1904 17:14:42.598567  <3>[  212.603032] lkdtm: XFAIL: this test is x86_64-only
 1905 17:14:42.712096  # [  212.599127] lkdtm: Performing direct entry UNSET_SMEP
 1906 17:14:42.715344  # [  212.603032] lkdtm: XFAIL: this test is x86_64-only
 1907 17:14:42.747317  # UNSET_SMEP: saw 'XFAIL': [SKIP]
 1908 17:14:42.795621  ok 14 selftests: lkdtm: UNSET_SMEP.sh # SKIP
 1909 17:14:42.827139  # selftests: lkdtm: DOUBLE_FAULT.sh
 1910 17:14:43.232259  <6>[  213.228295] lkdtm: Performing direct entry DOUBLE_FAULT
 1911 17:14:43.232429  <3>[  213.232374] lkdtm: XFAIL: this test is ia32-only
 1912 17:14:43.345898  # [  213.228295] lkdtm: Performing direct entry DOUBLE_FAULT
 1913 17:14:43.349044  # [  213.232374] lkdtm: XFAIL: this test is ia32-only
 1914 17:14:43.381418  # DOUBLE_FAULT: saw 'XFAIL': [SKIP]
 1915 17:14:43.413447  ok 15 selftests: lkdtm: DOUBLE_FAULT.sh # SKIP
 1916 17:14:43.445459  # selftests: lkdtm: CORRUPT_PAC.sh
 1917 17:14:43.847019  <6>[  213.850133] lkdtm: Performing direct entry CORRUPT_PAC
 1918 17:14:43.850441  <3>[  213.854128] lkdtm: XFAIL: this test is arm64-only
 1919 17:14:43.965265  # [  213.850133] lkdtm: Performing direct entry CORRUPT_PAC
 1920 17:14:43.968617  # [  213.854128] lkdtm: XFAIL: this test is arm64-only
 1921 17:14:44.000439  # CORRUPT_PAC: saw 'XFAIL': [SKIP]
 1922 17:14:44.048467  ok 16 selftests: lkdtm: CORRUPT_PAC.sh # SKIP
 1923 17:14:44.080472  # selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh
 1924 17:14:44.487166  <6>[  214.484074] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE
 1925 17:14:44.490598  <3>[  214.489530] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS
 1926 17:14:44.610413  # [  214.484074] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE
 1927 17:14:44.613414  # [  214.489530] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS
 1928 17:14:44.629429  # UNALIGNED_LOAD_STORE_WRITE: saw 'XFAIL': [SKIP]
 1929 17:14:44.701413  ok 17 selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh # SKIP
 1930 17:14:44.717379  # selftests: lkdtm: OVERWRITE_ALLOCATION.sh
 1931 17:14:45.021441  # Skipping OVERWRITE_ALLOCATION: Corrupts memory on failure
 1932 17:14:45.037368  ok 18 selftests: lkdtm: OVERWRITE_ALLOCATION.sh # SKIP
 1933 17:14:45.069397  # selftests: lkdtm: WRITE_AFTER_FREE.sh
 1934 17:14:45.367972  # Skipping WRITE_AFTER_FREE: Corrupts memory on failure
 1935 17:14:45.371217  ok 19 selftests: lkdtm: WRITE_AFTER_FREE.sh # SKIP
 1936 17:14:45.403289  # selftests: lkdtm: READ_AFTER_FREE.sh
 1937 17:14:47.080409  <6>[  217.073460] lkdtm: Performing direct entry READ_AFTER_FREE
 1938 17:14:47.080582  <6>[  217.077938] lkdtm: Value in memory before free: 12345678
 1939 17:14:47.083435  <6>[  217.083391] lkdtm: Attempting bad read from freed memory
 1940 17:14:47.083570  <6>[  217.089133] lkdtm: Memory was not poisoned
 1941 17:14:47.213412  # [  217.073460] lkdtm: Performing direct entry READ_AFTER_FREE
 1942 17:14:47.213589  # [  217.077938] lkdtm: Value in memory before free: 12345678
 1943 17:14:47.213677  # [  217.083391] lkdtm: Attempting bad read from freed memory
 1944 17:14:47.216491  # [  217.089133] lkdtm: Memory was not poisoned
 1945 17:14:47.232399  # READ_AFTER_FREE: missing 'call trace:': [FAIL]
 1946 17:14:47.296419  not ok 20 selftests: lkdtm: READ_AFTER_FREE.sh # exit=1
 1947 17:14:47.312440  # selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh
 1948 17:14:47.616425  # Skipping WRITE_BUDDY_AFTER_FREE: Corrupts memory on failure
 1949 17:14:47.632465  ok 21 selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # SKIP
 1950 17:14:47.664444  # selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh
 1951 17:14:48.045094  <6>[  218.035525] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE
 1952 17:14:48.045534  <6>[  218.040506] lkdtm: Value in memory before free: 12345678
 1953 17:14:48.045633  <6>[  218.045977] lkdtm: Attempting to read from freed memory
 1954 17:14:48.048441  <6>[  218.051601] lkdtm: Buddy page was not poisoned
 1955 17:14:48.189128  # [  218.035525] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE
 1956 17:14:48.189524  # [  218.040506] lkdtm: Value in memory before free: 12345678
 1957 17:14:48.189627  # [  218.045977] lkdtm: Attempting to read from freed memory
 1958 17:14:48.192460  # [  218.051601] lkdtm: Buddy page was not poisoned
 1959 17:14:48.208351  # READ_BUDDY_AFTER_FREE: missing 'call trace:': [FAIL]
 1960 17:14:48.270384  not ok 22 selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh # exit=1
 1961 17:14:48.286283  # selftests: lkdtm: SLAB_FREE_DOUBLE.sh
 1962 17:14:48.703346  <6>[  218.698750] lkdtm: Performing direct entry SLAB_FREE_DOUBLE
 1963 17:14:48.703519  <6>[  218.703207] lkdtm: Attempting double slab free ...
 1964 17:14:48.822617  # [  218.698750] lkdtm: Performing direct entry SLAB_FREE_DOUBLE
 1965 17:14:48.822781  # [  218.703207] lkdtm: Attempting double slab free ...
 1966 17:14:48.854298  # SLAB_FREE_DOUBLE: missing 'call trace:': [FAIL]
 1967 17:14:48.902170  not ok 23 selftests: lkdtm: SLAB_FREE_DOUBLE.sh # exit=1
 1968 17:14:48.934236  # selftests: lkdtm: SLAB_FREE_CROSS.sh
 1969 17:14:49.309330  <6>[  219.308250] lkdtm: Performing direct entry SLAB_FREE_CROSS
 1970 17:14:49.312520  <6>[  219.312619] lkdtm: Attempting cross-cache slab free ...
 1971 17:14:49.426140  # [  219.308250] lkdtm: Performing direct entry SLAB_FREE_CROSS
 1972 17:14:49.429500  # [  219.312619] lkdtm: Attempting cross-cache slab free ...
 1973 17:14:49.461315  # SLAB_FREE_CROSS: missing 'call trace:': [FAIL]
 1974 17:14:49.509414  not ok 24 selftests: lkdtm: SLAB_FREE_CROSS.sh # exit=1
 1975 17:14:49.525342  # selftests: lkdtm: SLAB_FREE_PAGE.sh
 1976 17:14:49.930522  <6>[  219.925575] lkdtm: Performing direct entry SLAB_FREE_PAGE
 1977 17:14:49.930711  <6>[  219.929958] lkdtm: Attempting non-Slab slab free ...
 1978 17:14:50.044078  # [  219.925575] lkdtm: Performing direct entry SLAB_FREE_PAGE
 1979 17:14:50.047401  # [  219.929958] lkdtm: Attempting non-Slab slab free ...
 1980 17:14:50.079256  # SLAB_FREE_PAGE: missing 'call trace:': [FAIL]
 1981 17:14:50.127276  not ok 25 selftests: lkdtm: SLAB_FREE_PAGE.sh # exit=1
 1982 17:14:50.158992  # selftests: lkdtm: SOFTLOCKUP.sh
 1983 17:14:50.447267  # Skipping SOFTLOCKUP: Hangs the system
 1984 17:14:50.463177  ok 26 selftests: lkdtm: SOFTLOCKUP.sh # SKIP
 1985 17:14:50.495177  # selftests: lkdtm: HARDLOCKUP.sh
 1986 17:14:50.767230  # Skipping HARDLOCKUP: Hangs the system
 1987 17:14:50.783208  ok 27 selftests: lkdtm: HARDLOCKUP.sh # SKIP
 1988 17:14:50.815173  # selftests: lkdtm: SPINLOCKUP.sh
 1989 17:14:51.103281  # Skipping SPINLOCKUP: Hangs the system
 1990 17:14:51.119114  ok 28 selftests: lkdtm: SPINLOCKUP.sh # SKIP
 1991 17:14:51.151207  # selftests: lkdtm: HUNG_TASK.sh
 1992 17:14:51.423194  # Skipping HUNG_TASK: Hangs the system
 1993 17:14:51.439175  ok 29 selftests: lkdtm: HUNG_TASK.sh # SKIP
 1994 17:14:51.471175  # selftests: lkdtm: EXEC_DATA.sh
 1995 17:14:51.900676  <6>[  221.882361] lkdtm: Performing direct entry EXEC_DATA
 1996 17:14:51.901065  <6>[  221.886185] lkdtm: attempting ok execution at c0c5bc3c
 1997 17:14:51.901165  <6>[  221.891769] lkdtm: attempting bad execution at c2706a28
 1998 17:14:51.901248  <1>[  221.897104] 8<--- cut here ---
 1999 17:14:51.901327  <1>[  221.900415] Unable to handle kernel paging request at virtual address c2706a28
 2000 17:14:51.901407  <1>[  221.907931] pgd = c39da3e1
 2001 17:14:51.901486  <1>[  221.910894] [c2706a28] *pgd=c261141e(bad)
 2002 17:14:51.903998  <0>[  221.915182] Internal error: Oops: 8000000d [#3] SMP ARM
 2003 17:14:51.944393  <4>[  221.920678] Modules linked in: fuse ip_tables x_tables snd_soc_hdmi_codec stm32_adc stm32_timer_trigger stm32_lptimer_trigger snd_soc_audio_graph_card snd_soc_simple_card_utils snd_soc_stm32_sai_sub snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore adv7511 brcmfmac stm_drm sha256_generic etnaviv sha256_arm gpu_sched hci_uart btbcm cfg80211 bluetooth brcmutil ecdh_generic ecc libaes snd_soc_stm32_sai stm32_adc_core
 2004 17:14:51.987350  <4>[  221.959734] CPU: 1 PID: 1668 Comm: cat Tainted: G      D W         5.10.220-cip49 #1
 2005 17:14:51.987512  <4>[  221.967758] Hardware name: STM32 (Device Tree Support)
 2006 17:14:51.987826  <4>[  221.973190] PC is at data_area+0x0/0x40
 2007 17:14:51.987921  <4>[  221.977290] LR is at execute_location+0xa4/0xb4
 2008 17:14:51.988004  <4>[  221.982086] pc : [<c2706a28>]    lr : [<c13ce504>]    psr: 60080013
 2009 17:14:51.988087  <4>[  221.988637] sp : c50e7e38  ip : 00000027  fp : c50e7e54
 2010 17:14:51.988168  <4>[  221.994140] r10: 0000000a  r9 : c1ad7694  r8 : c15ec1e0
 2011 17:14:51.988248  <4>[  221.999644] r7 : c50e7f60  r6 : 00000001  r5 : c2706a28  r4 : c0c5bc3c
 2012 17:14:52.030660  <4>[  222.006459] r3 : 84fbfc75  r2 : 84fbfc75  r1 : ef7aa5e4  r0 : 0000002b
 2013 17:14:52.031039  <4>[  222.013276] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 2014 17:14:52.031136  <4>[  222.020701] Control: 10c5387d  Table: c506806a  DAC: 00000051
 2015 17:14:52.031220  <0>[  222.026730] Process cat (pid: 1668, stack limit = 0x4020a84a)
 2016 17:14:52.031302  <0>[  222.032757] Stack: (0xc50e7e38 to 0xc50e8000)
 2017 17:14:52.031386  <0>[  222.037390] 7e20:                                                       0000001f c5e2f000
 2018 17:14:52.073999  <0>[  222.045868] 7e40: 0000000a c50e7f60 c50e7e64 c50e7e58 c13ce670 c13ce46c c50e7e74 c50e7e68
 2019 17:14:52.074370  <0>[  222.054342] 7e60: c0c5aecc c13ce658 c50e7e9c c50e7e78 c0c5b3cc c0c5aeac c0c5b2ac c4fa2780
 2020 17:14:52.074469  <0>[  222.062817] 7e80: b6dc9000 0000000a c3aa9540 c50e7f60 c50e7ec4 c50e7ea0 c07e42b0 c0c5b2b8
 2021 17:14:52.074553  <0>[  222.071290] 7ea0: 00000000 c4fa2780 b6dc9000 c290d000 c50e7f60 c07e424c c50e7f5c c50e7ec8
 2022 17:14:52.074633  <0>[  222.079765] 7ec0: c059c068 c07e4258 00000001 00000000 c059c624 c13e3a68 c059c624 c50e6000
 2023 17:14:52.077434  <0>[  222.088238] 7ee0: b6dc9000 00020000 00000004 0000000a 0001fff6 c50e7ee0 00000001 b6dc8000
 2024 17:14:52.117545  <0>[  222.096711] 7f00: c5bfaa00 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 2025 17:14:52.117709  <0>[  222.105187] 7f20: 00000000 00000000 c13e3a68 84fbfc75 c206c1e0 c4fa2780 c4fa2780 c50e6000
 2026 17:14:52.117799  <0>[  222.113661] 7f40: b6dc9000 00000000 00000000 00000004 c50e7f94 c50e7f60 c059c624 c059bf68
 2027 17:14:52.117882  <0>[  222.122134] 7f60: 00000000 00000000 c50e7fac 84fbfc75 0000000a 0000000a 7ff00000 00000004
 2028 17:14:52.120739  <0>[  222.130609] 7f80: c03002e4 c50e6000 c50e7fa4 c50e7f98 c059c6b4 c059c5bc 00000000 c50e7fa8
 2029 17:14:52.160837  <0>[  222.139083] 7fa0: c03000c0 c059c6a8 0000000a 0000000a 00000001 b6dc9000 0000000a 00000001
 2030 17:14:52.160962  <0>[  222.147558] 7fc0: 0000000a 0000000a 7ff00000 00000004 00000001 b6dc9000 00020000 004afe38
 2031 17:14:52.161050  <0>[  222.156032] 7fe0: 00000004 be9127e8 b6e8f33b b6e08616 60080030 00000001 00000000 00000000
 2032 17:14:52.161133  <0>[  222.164494] Backtrace: 
 2033 17:14:52.161236  <0>[  222.167222] [<c13ce460>] (execute_location) from [<c13ce670>] (lkdtm_EXEC_DATA+0x24/0x28)
 2034 17:14:52.164137  <0>[  222.175687]  r7:c50e7f60 r6:0000000a r5:c5e2f000 r4:0000001f
 2035 17:14:52.204202  <0>[  222.181633] [<c13ce64c>] (lkdtm_EXEC_DATA) from [<c0c5aecc>] (lkdtm_do_action+0x2c/0x4c)
 2036 17:14:52.204438  <0>[  222.190016] [<c0c5aea0>] (lkdtm_do_action) from [<c0c5b3cc>] (direct_entry+0x120/0x18c)
 2037 17:14:52.204538  <0>[  222.198318] [<c0c5b2ac>] (direct_entry) from [<c07e42b0>] (full_proxy_write+0x64/0x94)
 2038 17:14:52.204625  <0>[  222.206525]  r9:c50e7f60 r8:c3aa9540 r7:0000000a r6:b6dc9000 r5:c4fa2780 r4:c0c5b2ac
 2039 17:14:52.204707  <0>[  222.214567] [<c07e424c>] (full_proxy_write) from [<c059c068>] (vfs_write+0x10c/0x54c)
 2040 17:14:52.247321  <0>[  222.222683]  r9:c07e424c r8:c50e7f60 r7:c290d000 r6:b6dc9000 r5:c4fa2780 r4:00000000
 2041 17:14:52.247707  <0>[  222.230720] [<c059bf5c>] (vfs_write) from [<c059c624>] (ksys_write+0x74/0xec)
 2042 17:14:52.247852  <0>[  222.238144]  r10:00000004 r9:00000000 r8:00000000 r7:b6dc9000 r6:c50e6000 r5:c4fa2780
 2043 17:14:52.247947  <0>[  222.246259]  r4:c4fa2780
 2044 17:14:52.248034  <0>[  222.249066] [<c059c5b0>] (ksys_write) from [<c059c6b4>] (sys_write+0x18/0x1c)
 2045 17:14:52.248153  <0>[  222.256490]  r9:c50e6000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000000a r4:0000000a
 2046 17:14:52.301079  <0>[  222.264529] [<c059c69c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 2047 17:14:52.301501  <0>[  222.272378] Exception stack(0xc50e7fa8 to 0xc50e7ff0)
 2048 17:14:52.301617  <0>[  222.277713] 7fa0:                   0000000a 0000000a 00000001 b6dc9000 0000000a 00000001
 2049 17:14:52.301705  <0>[  222.286187] 7fc0: 0000000a 0000000a 7ff00000 00000004 00000001 b6dc9000 00020000 004afe38
 2050 17:14:52.301789  <0>[  222.294656] 7fe0: 00000004 be9127e8 b6e8f33b b6e08616
 2051 17:14:52.301871  <0>[  222.299988] Code: 00000000 c2e81a80 c2e81b40 c2e81c00 (e1a0c00d) 
 2052 17:14:52.304475  <4>[  222.306370] ---[ end trace af413873b24c9d23 ]---
 2053 17:14:52.304591  # Segmentation fault
 2054 17:14:52.750727  # [  221.882361] lkdtm: Performing direct entry EXEC_DATA
 2055 17:14:52.751707  # [  221.886185] lkdtm: attempting ok execution at c0c5bc3c
 2056 17:14:52.751838  # [  221.891769] lkdtm: attempting bad execution at c2706a28
 2057 17:14:52.751923  # [  221.897104] 8<--- cut here ---
 2058 17:14:52.752002  # [  221.900415] Unable to handle kernel paging request at virtual address c2706a28
 2059 17:14:52.752081  # [  221.907931] pgd = c39da3e1
 2060 17:14:52.752159  # [  221.910894] [c2706a28] *pgd=c261141e(bad)
 2061 17:14:52.752237  # [  221.915182] Internal error: Oops: 8000000d [#3] SMP ARM
 2062 17:14:52.794497  # [  221.920678] Modules linked in: fuse ip_tables x_tables snd_soc_hdmi_codec stm32_adc stm32_timer_trigger stm32_lptimer_trigger snd_soc_audio_graph_card snd_soc_simple_card_utils snd_soc_stm32_sai_sub snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore adv7511 brcmfmac stm_drm sha256_generic etnaviv sha256_arm gpu_sched hci_uart btbcm cfg80211 bluetooth brcmutil ecdh_generic ecc libaes snd_soc_stm32_sai stm32_adc_core
 2063 17:14:52.797641  # [  221.959734] CPU: 1 PID: 1668 Comm: cat Tainted: G      D W         5.10.220-cip49 #1
 2064 17:14:52.837445  # [  221.967758] Hardware name: STM32 (Device Tree Support)
 2065 17:14:52.837810  # [  221.973190] PC is at data_area+0x0/0x40
 2066 17:14:52.837900  # [  221.977290] LR is at execute_location+0xa4/0xb4
 2067 17:14:52.837982  # [  221.982086] pc : [<c2706a28>]    lr : [<c13ce504>]    psr: 60080013
 2068 17:14:52.838061  # [  221.988637] sp : c50e7e38  ip : 00000027  fp : c50e7e54
 2069 17:14:52.838139  # [  221.994140] r10: 0000000a  r9 : c1ad7694  r8 : c15ec1e0
 2070 17:14:52.838217  # [  221.999644] r7 : c50e7f60  r6 : 00000001  r5 : c2706a28  r4 : c0c5bc3c
 2071 17:14:52.880751  # [  222.006459] r3 : 84fbfc75  r2 : 84fbfc75  r1 : ef7aa5e4  r0 : 0000002b
 2072 17:14:52.881138  # [  222.013276] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 2073 17:14:52.881232  # [  222.020701] Control: 10c5387d  Table: c506806a  DAC: 00000051
 2074 17:14:52.881315  # [  222.026730] Process cat (pid: 1668, stack limit = 0x4020a84a)
 2075 17:14:52.881394  # [  222.032757] Stack: (0xc50e7e38 to 0xc50e8000)
 2076 17:14:52.881474  # [  222.037390] 7e20:                                                       0000001f c5e2f000
 2077 17:14:52.884289  # [  222.045868] 7e40: 0000000a c50e7f60 c50e7e64 c50e7e58 c13ce670 c13ce46c c50e7e74 c50e7e68
 2078 17:14:52.924275  # [  222.054342] 7e60: c0c5aecc c13ce658 c50e7e9c c50e7e78 c0c5b3cc c0c5aeac c0c5b2ac c4fa2780
 2079 17:14:52.924430  # [  222.062817] 7e80: b6dc9000 0000000a c3aa9540 c50e7f60 c50e7ec4 c50e7ea0 c07e42b0 c0c5b2b8
 2080 17:14:52.924516  # [  222.071290] 7ea0: 00000000 c4fa2780 b6dc9000 c290d000 c50e7f60 c07e424c c50e7f5c c50e7ec8
 2081 17:14:52.924614  # [  222.079765] 7ec0: c059c068 c07e4258 00000001 00000000 c059c624 c13e3a68 c059c624 c50e6000
 2082 17:14:52.927597  # [  222.088238] 7ee0: b6dc9000 00020000 00000004 0000000a 0001fff6 c50e7ee0 00000001 b6dc8000
 2083 17:14:52.967371  # [  222.096711] 7f00: c5bfaa00 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 2084 17:14:52.967785  # [  222.105187] 7f20: 00000000 00000000 c13e3a68 84fbfc75 c206c1e0 c4fa2780 c4fa2780 c50e6000
 2085 17:14:52.967883  # [  222.113661] 7f40: b6dc9000 00000000 00000000 00000004 c50e7f94 c50e7f60 c059c624 c059bf68
 2086 17:14:52.967969  # [  222.122134] 7f60: 00000000 00000000 c50e7fac 84fbfc75 0000000a 0000000a 7ff00000 00000004
 2087 17:14:52.968052  # [  222.130609] 7f80: c03002e4 c50e6000 c50e7fa4 c50e7f98 c059c6b4 c059c5bc 00000000 c50e7fa8
 2088 17:14:53.010712  # [  222.139083] 7fa0: c03000c0 c059c6a8 0000000a 0000000a 00000001 b6dc9000 0000000a 00000001
 2089 17:14:53.011155  # [  222.147558] 7fc0: 0000000a 0000000a 7ff00000 00000004 00000001 b6dc9000 00020000 004afe38
 2090 17:14:53.011289  # [  222.156032] 7fe0: 00000004 be9127e8 b6e8f33b b6e08616 60080030 00000001 00000000 00000000
 2091 17:14:53.011413  # [  222.164494] Backtrace: 
 2092 17:14:53.011542  # [  222.167222] [<c13ce460>] (execute_location) from [<c13ce670>] (lkdtm_EXEC_DATA+0x24/0x28)
 2093 17:14:53.011673  # [  222.175687]  r7:c50e7f60 r6:0000000a r5:c5e2f000 r4:0000001f
 2094 17:14:53.054038  # [  222.181633] [<c13ce64c>] (lkdtm_EXEC_DATA) from [<c0c5aecc>] (lkdtm_do_action+0x2c/0x4c)
 2095 17:14:53.054440  # [  222.190016] [<c0c5aea0>] (lkdtm_do_action) from [<c0c5b3cc>] (direct_entry+0x120/0x18c)
 2096 17:14:53.054547  # [  222.198318] [<c0c5b2ac>] (direct_entry) from [<c07e42b0>] (full_proxy_write+0x64/0x94)
 2097 17:14:53.054670  # [  222.206525]  r9:c50e7f60 r8:c3aa9540 r7:0000000a r6:b6dc9000 r5:c4fa2780 r4:c0c5b2ac
 2098 17:14:53.054792  # [  222.214567] [<c07e424c>] (full_proxy_write) from [<c059c068>] (vfs_write+0x10c/0x54c)
 2099 17:14:53.057478  # [  222.222683]  r9:c07e424c r8:c50e7f60 r7:c290d000 r6:b6dc9000 r5:c4fa2780 r4:00000000
 2100 17:14:53.097571  # [  222.230720] [<c059bf5c>] (vfs_write) from [<c059c624>] (ksys_write+0x74/0xec)
 2101 17:14:53.097726  # [  222.238144]  r10:00000004 r9:00000000 r8:00000000 r7:b6dc9000 r6:c50e6000 r5:c4fa2780
 2102 17:14:53.097814  # [  222.246259]  r4:c4fa2780
 2103 17:14:53.097895  # [  222.249066] [<c059c5b0>] (ksys_write) from [<c059c6b4>] (sys_write+0x18/0x1c)
 2104 17:14:53.097977  # [  222.256490]  r9:c50e6000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000000a r4:0000000a
 2105 17:14:53.100818  # [  222.264529] [<c059c69c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 2106 17:14:53.140662  # [  222.272378] Exception stack(0xc50e7fa8 to 0xc50e7ff0)
 2107 17:14:53.141032  # [  222.277713] 7fa0:                   0000000a 0000000a 00000001 b6dc9000 0000000a 00000001
 2108 17:14:53.141135  # [  222.286187] 7fc0: 0000000a 0000000a 7ff00000 00000004 00000001 b6dc9000 00020000 004afe38
 2109 17:14:53.141219  # [  222.294656] 7fe0: 00000004 be9127e8 b6e8f33b b6e08616
 2110 17:14:53.141300  # [  222.299988] Code: 00000000 c2e81a80 c2e81b40 c2e81c00 (e1a0c00d) 
 2111 17:14:53.141380  # [  222.306370] ---[ end trace af413873b24c9d23 ]---
 2112 17:14:53.141461  # EXEC_DATA: missing 'call trace:': [FAIL]
 2113 17:14:53.159180  not ok 30 selftests: lkdtm: EXEC_DATA.sh # exit=1
 2114 17:14:53.159324  # selftests: lkdtm: EXEC_STACK.sh
 2115 17:14:53.423240  <6>[  223.403769] lkdtm: Performing direct entry EXEC_STACK
 2116 17:14:53.423666  <6>[  223.407781] lkdtm: attempting ok execution at c0c5bc3c
 2117 17:14:53.423814  <6>[  223.413087] lkdtm: attempting bad execution at c5117e0c
 2118 17:14:53.423939  <1>[  223.418718] 8<--- cut here ---
 2119 17:14:53.424061  <1>[  223.421911] Unable to handle kernel paging request at virtual address c5117e0c
 2120 17:14:53.424184  <1>[  223.429424] pgd = 7847e237
 2121 17:14:53.424305  <1>[  223.432384] [c5117e0c] *pgd=c501141e(bad)
 2122 17:14:53.424425  <0>[  223.436673] Internal error: Oops: 8000000d [#4] SMP ARM
 2123 17:14:53.466821  <4>[  223.442169] Modules linked in: fuse ip_tables x_tables snd_soc_hdmi_codec stm32_adc stm32_timer_trigger stm32_lptimer_trigger snd_soc_audio_graph_card snd_soc_simple_card_utils snd_soc_stm32_sai_sub snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore adv7511 brcmfmac stm_drm sha256_generic etnaviv sha256_arm gpu_sched hci_uart btbcm cfg80211 bluetooth brcmutil ecdh_generic ecc libaes snd_soc_stm32_sai stm32_adc_core
 2124 17:14:53.470049  <4>[  223.481220] CPU: 0 PID: 1745 Comm: cat Tainted: G      D W         5.10.220-cip49 #1
 2125 17:14:53.509918  <4>[  223.489243] Hardware name: STM32 (Device Tree Support)
 2126 17:14:53.510318  <4>[  223.494668] PC is at 0xc5117e0c
 2127 17:14:53.510452  <4>[  223.498076] LR is at execute_location+0xa4/0xb4
 2128 17:14:53.510575  <4>[  223.502868] pc : [<c5117e0c>]    lr : [<c13ce504>]    psr: 60080013
 2129 17:14:53.510665  <4>[  223.509418] sp : c5117de8  ip : c5117cf0  fp : c5117e04
 2130 17:14:53.510747  <4>[  223.514921] r10: 0000000b  r9 : c1ad76a0  r8 : c15ec1e0
 2131 17:14:53.510833  <4>[  223.520424] r7 : c5117f60  r6 : 00000001  r5 : c5117e0c  r4 : c0c5bc3c
 2132 17:14:53.553271  <4>[  223.527237] r3 : 46309636  r2 : 46309636  r1 : ef7955e0  r0 : 0000002b
 2133 17:14:53.553682  <4>[  223.534051] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 2134 17:14:53.553787  <4>[  223.541474] Control: 10c5387d  Table: c516006a  DAC: 00000051
 2135 17:14:53.553873  <0>[  223.547501] Process cat (pid: 1745, stack limit = 0x687d56d5)
 2136 17:14:53.553952  <0>[  223.553526] Stack: (0xc5117de8 to 0xc5118000)
 2137 17:14:53.554032  <0>[  223.558161] 7de0:                   c5116000 c5e0f000 0000000b c5117f60 c5117e64 c5117e08
 2138 17:14:53.556743  <0>[  223.566633] 7e00: c13ce6ac c13ce46c c5117e6c e1a0c00d e92dd800 e24cb004 e52de004 e8bd4000
 2139 17:14:53.596830  <0>[  223.575105] 7e20: e89da800 e1a0c00d e92dd830 e24cb004 e52de004 e8bd4000 e3093370 e34c31b8
 2140 17:14:53.596978  <0>[  223.583577] 7e40: e3a02040 e3a01d33 e5930018 46309636 0000000b 00000020 c5117e74 c5117e68
 2141 17:14:53.597064  <0>[  223.592049] 7e60: c0c5aecc c13ce680 c5117e9c c5117e78 c0c5b3cc c0c5aeac c0c5b2ac c5ecba00
 2142 17:14:53.597184  <0>[  223.600522] 7e80: b6ea2000 0000000b c3aa9540 c5117f60 c5117ec4 c5117ea0 c07e42b0 c0c5b2b8
 2143 17:14:53.599995  <0>[  223.608995] 7ea0: 00000000 c5ecba00 b6ea2000 c290d000 c5117f60 c07e424c c5117f5c c5117ec8
 2144 17:14:53.640092  <0>[  223.617468] 7ec0: c059c068 c07e4258 00000001 00000000 c059c624 c13e3a68 c059c624 c5116000
 2145 17:14:53.640221  <0>[  223.625941] 7ee0: b6ea2000 00020000 00000004 0000000b 0001fff5 c5117ee0 00000001 b6ea1000
 2146 17:14:53.640307  <0>[  223.634413] 7f00: c5bc23c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 2147 17:14:53.640388  <0>[  223.642888] 7f20: 00000000 00000000 c13e3a68 46309636 c206c1e0 c5ecba00 c5ecba00 c5116000
 2148 17:14:53.643217  <0>[  223.651362] 7f40: b6ea2000 00000000 00000000 00000004 c5117f94 c5117f60 c059c624 c059bf68
 2149 17:14:53.683239  <0>[  223.659836] 7f60: 00000000 00000000 c5117fac 46309636 0000000b 0000000b 7ff00000 00000004
 2150 17:14:53.683695  <0>[  223.668310] 7f80: c03002e4 c5116000 c5117fa4 c5117f98 c059c6b4 c059c5bc 00000000 c5117fa8
 2151 17:14:53.683835  <0>[  223.676782] 7fa0: c03000c0 c059c6a8 0000000b 0000000b 00000001 b6ea2000 0000000b 00000001
 2152 17:14:53.683958  <0>[  223.685256] 7fc0: 0000000b 0000000b 7ff00000 00000004 00000001 b6ea2000 00020000 004afe38
 2153 17:14:53.684080  <0>[  223.693729] 7fe0: 00000004 bea267e8 b6f6833b b6ee1616 60080030 00000001 00000000 00000000
 2154 17:14:53.686677  <0>[  223.702192] Backtrace: 
 2155 17:14:53.726796  <0>[  223.704920] [<c13ce460>] (execute_location) from [<c13ce6ac>] (lkdtm_EXEC_STACK+0x38/0x54)
 2156 17:14:53.726923  <0>[  223.713474]  r7:c5117f60 r6:0000000b r5:c5e0f000 r4:c5116000
 2157 17:14:53.727009  <0>[  223.719420] [<c13ce674>] (lkdtm_EXEC_STACK) from [<c0c5aecc>] (lkdtm_do_action+0x2c/0x4c)
 2158 17:14:53.727092  <0>[  223.727880]  r4:00000020
 2159 17:14:53.727172  <0>[  223.730684] [<c0c5aea0>] (lkdtm_do_action) from [<c0c5b3cc>] (direct_entry+0x120/0x18c)
 2160 17:14:53.730035  <0>[  223.738987] [<c0c5b2ac>] (direct_entry) from [<c07e42b0>] (full_proxy_write+0x64/0x94)
 2161 17:14:53.769904  <0>[  223.747194]  r9:c5117f60 r8:c3aa9540 r7:0000000b r6:b6ea2000 r5:c5ecba00 r4:c0c5b2ac
 2162 17:14:53.770342  <0>[  223.755236] [<c07e424c>] (full_proxy_write) from [<c059c068>] (vfs_write+0x10c/0x54c)
 2163 17:14:53.770492  <0>[  223.763353]  r9:c07e424c r8:c5117f60 r7:c290d000 r6:b6ea2000 r5:c5ecba00 r4:00000000
 2164 17:14:53.770620  <0>[  223.771393] [<c059bf5c>] (vfs_write) from [<c059c624>] (ksys_write+0x74/0xec)
 2165 17:14:53.770713  <0>[  223.778817]  r10:00000004 r9:00000000 r8:00000000 r7:b6ea2000 r6:c5116000 r5:c5ecba00
 2166 17:14:53.773349  <0>[  223.786933]  r4:c5ecba00
 2167 17:14:53.813278  <0>[  223.789739] [<c059c5b0>] (ksys_write) from [<c059c6b4>] (sys_write+0x18/0x1c)
 2168 17:14:53.813715  <0>[  223.797163]  r9:c5116000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000000b r4:0000000b
 2169 17:14:53.813819  <0>[  223.805204] [<c059c69c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 2170 17:14:53.813903  <0>[  223.813055] Exception stack(0xc5117fa8 to 0xc5117ff0)
 2171 17:14:53.813984  <0>[  223.818390] 7fa0:                   0000000b 0000000b 00000001 b6ea2000 0000000b 00000001
 2172 17:14:53.816748  <0>[  223.826866] 7fc0: 0000000b 0000000b 7ff00000 00000004 00000001 b6ea2000 00020000 004afe38
 2173 17:14:53.851972  <0>[  223.835335] 7fe0: 00000004 bea267e8 b6f6833b b6ee1616
 2174 17:14:53.852412  <0>[  223.840668] Code: c5117e08 c13ce6ac c13ce46c c5117e6c (e1a0c00d) 
 2175 17:14:53.852546  <4>[  223.847047] ---[ end trace af413873b24c9d24 ]---
 2176 17:14:53.855240  # Segmentation fault
 2177 17:14:54.124397  # [  223.403769] lkdtm: Performing direct entry EXEC_STACK
 2178 17:14:54.124824  # [  223.407781] lkdtm: attempting ok execution at c0c5bc3c
 2179 17:14:54.124929  # [  223.413087] lkdtm: attempting bad execution at c5117e0c
 2180 17:14:54.125053  # [  223.418718] 8<--- cut here ---
 2181 17:14:54.125147  # [  223.421911] Unable to handle kernel paging request at virtual address c5117e0c
 2182 17:14:54.125267  # [  223.429424] pgd = 7847e237
 2183 17:14:54.125357  # [  223.432384] [c5117e0c] *pgd=c501141e(bad)
 2184 17:14:54.125438  # [  223.436673] Internal error: Oops: 8000000d [#4] SMP ARM
 2185 17:14:54.168078  # [  223.442169] Modules linked in: fuse ip_tables x_tables snd_soc_hdmi_codec stm32_adc stm32_timer_trigger stm32_lptimer_trigger snd_soc_audio_graph_card snd_soc_simple_card_utils snd_soc_stm32_sai_sub snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore adv7511 brcmfmac stm_drm sha256_generic etnaviv sha256_arm gpu_sched hci_uart btbcm cfg80211 bluetooth brcmutil ecdh_generic ecc libaes snd_soc_stm32_sai stm32_adc_core
 2186 17:14:54.171168  # [  223.481220] CPU: 0 PID: 1745 Comm: cat Tainted: G      D W         5.10.220-cip49 #1
 2187 17:14:54.211216  # [  223.489243] Hardware name: STM32 (Device Tree Support)
 2188 17:14:54.211611  # [  223.494668] PC is at 0xc5117e0c
 2189 17:14:54.211747  # [  223.498076] LR is at execute_location+0xa4/0xb4
 2190 17:14:54.211872  # [  223.502868] pc : [<c5117e0c>]    lr : [<c13ce504>]    psr: 60080013
 2191 17:14:54.211995  # [  223.509418] sp : c5117de8  ip : c5117cf0  fp : c5117e04
 2192 17:14:54.212116  # [  223.514921] r10: 0000000b  r9 : c1ad76a0  r8 : c15ec1e0
 2193 17:14:54.212234  # [  223.520424] r7 : c5117f60  r6 : 00000001  r5 : c5117e0c  r4 : c0c5bc3c
 2194 17:14:54.254582  # [  223.527237] r3 : 46309636  r2 : 46309636  r1 : ef7955e0  r0 : 0000002b
 2195 17:14:54.254984  # [  223.534051] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 2196 17:14:54.255084  # [  223.541474] Control: 10c5387d  Table: c516006a  DAC: 00000051
 2197 17:14:54.255169  # [  223.547501] Process cat (pid: 1745, stack limit = 0x687d56d5)
 2198 17:14:54.255251  # [  223.553526] Stack: (0xc5117de8 to 0xc5118000)
 2199 17:14:54.255333  # [  223.558161] 7de0:                   c5116000 c5e0f000 0000000b c5117f60 c5117e64 c5117e08
 2200 17:14:54.257991  # [  223.566633] 7e00: c13ce6ac c13ce46c c5117e6c e1a0c00d e92dd800 e24cb004 e52de004 e8bd4000
 2201 17:14:54.298034  # [  223.575105] 7e20: e89da800 e1a0c00d e92dd830 e24cb004 e52de004 e8bd4000 e3093370 e34c31b8
 2202 17:14:54.298261  # [  223.583577] 7e40: e3a02040 e3a01d33 e5930018 46309636 0000000b 00000020 c5117e74 c5117e68
 2203 17:14:54.298387  # [  223.592049] 7e60: c0c5aecc c13ce680 c5117e9c c5117e78 c0c5b3cc c0c5aeac c0c5b2ac c5ecba00
 2204 17:14:54.298478  # [  223.600522] 7e80: b6ea2000 0000000b c3aa9540 c5117f60 c5117ec4 c5117ea0 c07e42b0 c0c5b2b8
 2205 17:14:54.301287  # [  223.608995] 7ea0: 00000000 c5ecba00 b6ea2000 c290d000 c5117f60 c07e424c c5117f5c c5117ec8
 2206 17:14:54.341150  # [  223.617468] 7ec0: c059c068 c07e4258 00000001 00000000 c059c624 c13e3a68 c059c624 c5116000
 2207 17:14:54.341604  # [  223.625941] 7ee0: b6ea2000 00020000 00000004 0000000b 0001fff5 c5117ee0 00000001 b6ea1000
 2208 17:14:54.341739  # [  223.634413] 7f00: c5bc23c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 2209 17:14:54.341883  # [  223.642888] 7f20: 00000000 00000000 c13e3a68 46309636 c206c1e0 c5ecba00 c5ecba00 c5116000
 2210 17:14:54.342007  # [  223.651362] 7f40: b6ea2000 00000000 00000000 00000004 c5117f94 c5117f60 c059c624 c059bf68
 2211 17:14:54.384462  # [  223.659836] 7f60: 00000000 00000000 c5117fac 46309636 0000000b 0000000b 7ff00000 00000004
 2212 17:14:54.384924  # [  223.668310] 7f80: c03002e4 c5116000 c5117fa4 c5117f98 c059c6b4 c059c5bc 00000000 c5117fa8
 2213 17:14:54.385060  # [  223.676782] 7fa0: c03000c0 c059c6a8 0000000b 0000000b 00000001 b6ea2000 0000000b 00000001
 2214 17:14:54.385184  # [  223.685256] 7fc0: 0000000b 0000000b 7ff00000 00000004 00000001 b6ea2000 00020000 004afe38
 2215 17:14:54.385305  # [  223.693729] 7fe0: 00000004 bea267e8 b6f6833b b6ee1616 60080030 00000001 00000000 00000000
 2216 17:14:54.385427  # [  223.702192] Backtrace: 
 2217 17:14:54.427668  # [  223.704920] [<c13ce460>] (execute_location) from [<c13ce6ac>] (lkdtm_EXEC_STACK+0x38/0x54)
 2218 17:14:54.428068  # [  223.713474]  r7:c5117f60 r6:0000000b r5:c5e0f000 r4:c5116000
 2219 17:14:54.428208  # [  223.719420] [<c13ce674>] (lkdtm_EXEC_STACK) from [<c0c5aecc>] (lkdtm_do_action+0x2c/0x4c)
 2220 17:14:54.428335  # [  223.727880]  r4:00000020
 2221 17:14:54.428458  # [  223.730684] [<c0c5aea0>] (lkdtm_do_action) from [<c0c5b3cc>] (direct_entry+0x120/0x18c)
 2222 17:14:54.428549  # [  223.738987] [<c0c5b2ac>] (direct_entry) from [<c07e42b0>] (full_proxy_write+0x64/0x94)
 2223 17:14:54.471133  # [  223.747194]  r9:c5117f60 r8:c3aa9540 r7:0000000b r6:b6ea2000 r5:c5ecba00 r4:c0c5b2ac
 2224 17:14:54.471567  # [  223.755236] [<c07e424c>] (full_proxy_write) from [<c059c068>] (vfs_write+0x10c/0x54c)
 2225 17:14:54.471703  # [  223.763353]  r9:c07e424c r8:c5117f60 r7:c290d000 r6:b6ea2000 r5:c5ecba00 r4:00000000
 2226 17:14:54.471827  # [  223.771393] [<c059bf5c>] (vfs_write) from [<c059c624>] (ksys_write+0x74/0xec)
 2227 17:14:54.471948  # [  223.778817]  r10:00000004 r9:00000000 r8:00000000 r7:b6ea2000 r6:c5116000 r5:c5ecba00
 2228 17:14:54.472070  # [  223.786933]  r4:c5ecba00
 2229 17:14:54.514514  # [  223.789739] [<c059c5b0>] (ksys_write) from [<c059c6b4>] (sys_write+0x18/0x1c)
 2230 17:14:54.514906  # [  223.797163]  r9:c5116000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000000b r4:0000000b
 2231 17:14:54.515004  # [  223.805204] [<c059c69c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 2232 17:14:54.515087  # [  223.813055] Exception stack(0xc5117fa8 to 0xc5117ff0)
 2233 17:14:54.515171  # [  223.818390] 7fa0:                   0000000b 0000000b 00000001 b6ea2000 0000000b 00000001
 2234 17:14:54.515253  # [  223.826866] 7fc0: 0000000b 0000000b 7ff00000 00000004 00000001 b6ea2000 00020000 004afe38
 2235 17:14:54.517928  # [  223.835335] 7fe0: 00000004 bea267e8 b6f6833b b6ee1616
 2236 17:14:54.552175  # [  223.840668] Code: c5117e08 c13ce6ac c13ce46c c5117e6c (e1a0c00d) 
 2237 17:14:54.552349  # [  223.847047] ---[ end trace af413873b24c9d24 ]---
 2238 17:14:54.552475  # EXEC_STACK: missing 'call trace:': [FAIL]
 2239 17:14:54.552597  not ok 31 selftests: lkdtm: EXEC_STACK.sh # exit=1
 2240 17:14:54.555280  # selftests: lkdtm: EXEC_KMALLOC.sh
 2241 17:14:54.805013  <6>[  224.786662] lkdtm: Performing direct entry EXEC_KMALLOC
 2242 17:14:54.805524  <6>[  224.790914] lkdtm: attempting ok execution at c0c5bc3c
 2243 17:14:54.805662  <6>[  224.796153] lkdtm: attempting bad execution at c2805dc0
 2244 17:14:54.805786  <1>[  224.801858] 8<--- cut here ---
 2245 17:14:54.805907  <1>[  224.804977] Unable to handle kernel paging request at virtual address c2805dc0
 2246 17:14:54.805999  <1>[  224.812496] pgd = f4f072a2
 2247 17:14:54.806080  <1>[  224.815458] [c2805dc0] *pgd=c281141e(bad)
 2248 17:14:54.808363  <0>[  224.819745] Internal error: Oops: 8000000d [#5] SMP ARM
 2249 17:14:54.848540  <4>[  224.825241] Modules linked in: fuse ip_tables x_tables snd_soc_hdmi_codec stm32_adc stm32_timer_trigger stm32_lptimer_trigger snd_soc_audio_graph_card snd_soc_simple_card_utils snd_soc_stm32_sai_sub snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore adv7511 brcmfmac stm_drm sha256_generic etnaviv sha256_arm gpu_sched hci_uart btbcm cfg80211 bluetooth brcmutil ecdh_generic ecc libaes snd_soc_stm32_sai stm32_adc_core
 2250 17:14:54.891648  <4>[  224.864300] CPU: 1 PID: 1825 Comm: cat Tainted: G      D W         5.10.220-cip49 #1
 2251 17:14:54.892030  <4>[  224.872325] Hardware name: STM32 (Device Tree Support)
 2252 17:14:54.892138  <4>[  224.877752] PC is at 0xc2805dc0
 2253 17:14:54.892261  <4>[  224.881162] LR is at execute_location+0xa4/0xb4
 2254 17:14:54.892353  <4>[  224.885956] pc : [<c2805dc0>]    lr : [<c13ce504>]    psr: 60080013
 2255 17:14:54.892439  <4>[  224.892508] sp : c5f25e30  ip : c5f25d38  fp : c5f25e4c
 2256 17:14:54.892520  <4>[  224.898011] r10: 0000000d  r9 : c1ad76ac  r8 : c15ec1e0
 2257 17:14:54.892612  <4>[  224.903515] r7 : c5f25f60  r6 : 00000001  r5 : c2805dc0  r4 : c0c5bc3c
 2258 17:14:54.934857  <4>[  224.910329] r3 : d7cee87b  r2 : d7cee87b  r1 : ef7aa5e0  r0 : 0000002b
 2259 17:14:54.935287  <4>[  224.917144] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 2260 17:14:54.935392  <4>[  224.924568] Control: 10c5387d  Table: c511006a  DAC: 00000051
 2261 17:14:54.935486  <0>[  224.930598] Process cat (pid: 1825, stack limit = 0x04796852)
 2262 17:14:54.935608  <0>[  224.936622] Stack: (0xc5f25e30 to 0xc5f26000)
 2263 17:14:54.935731  <0>[  224.941257] 5e20:                                     c2805dc0 c4f03000 0000000d c5f25f60
 2264 17:14:54.938329  <0>[  224.949730] 5e40: c5f25e64 c5f25e50 c0c5bc8c c13ce46c 00000021 c4f03000 c5f25e74 c5f25e68
 2265 17:14:54.978336  <0>[  224.958204] 5e60: c0c5aecc c0c5bc60 c5f25e9c c5f25e78 c0c5b3cc c0c5aeac c0c5b2ac c5ec2640
 2266 17:14:54.978492  <0>[  224.966677] 5e80: b6dad000 0000000d c3aa9540 c5f25f60 c5f25ec4 c5f25ea0 c07e42b0 c0c5b2b8
 2267 17:14:54.978576  <0>[  224.975150] 5ea0: 00000000 c5ec2640 b6dad000 c290d000 c5f25f60 c07e424c c5f25f5c c5f25ec8
 2268 17:14:54.978658  <0>[  224.983624] 5ec0: c059c068 c07e4258 00000001 00000000 c059c624 c13e3a68 c059c624 c5f24000
 2269 17:14:54.981434  <0>[  224.992096] 5ee0: b6dad000 00020000 00000004 0000000d 0001fff3 c5f25ee0 00000001 b6dac000
 2270 17:14:55.021781  <0>[  225.000568] 5f00: c5f2d500 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 2271 17:14:55.021903  <0>[  225.009044] 5f20: 00000000 00000000 c13e3a68 d7cee87b c206c1e0 c5ec2640 c5ec2640 c5f24000
 2272 17:14:55.021988  <0>[  225.017517] 5f40: b6dad000 00000000 00000000 00000004 c5f25f94 c5f25f60 c059c624 c059bf68
 2273 17:14:55.022068  <0>[  225.025990] 5f60: 00000000 00000000 c5f25fac d7cee87b 0000000d 0000000d 7ff00000 00000004
 2274 17:14:55.025063  <0>[  225.034465] 5f80: c03002e4 c5f24000 c5f25fa4 c5f25f98 c059c6b4 c059c5bc 00000000 c5f25fa8
 2275 17:14:55.064745  <0>[  225.042938] 5fa0: c03000c0 c059c6a8 0000000d 0000000d 00000001 b6dad000 0000000d 00000001
 2276 17:14:55.064871  <0>[  225.051413] 5fc0: 0000000d 0000000d 7ff00000 00000004 00000001 b6dad000 00020000 004cfe38
 2277 17:14:55.064957  <0>[  225.059887] 5fe0: 00000004 beb6c7e8 b6e7333b b6dec616 60080030 00000001 00000000 00000000
 2278 17:14:55.065038  <0>[  225.068351] Backtrace: 
 2279 17:14:55.065120  <0>[  225.071079] [<c13ce460>] (execute_location) from [<c0c5bc8c>] (lkdtm_EXEC_KMALLOC+0x38/0x44)
 2280 17:14:55.067709  <0>[  225.079805]  r7:c5f25f60 r6:0000000d r5:c4f03000 r4:c2805dc0
 2281 17:14:55.108337  <0>[  225.085750] [<c0c5bc54>] (lkdtm_EXEC_KMALLOC) from [<c0c5aecc>] (lkdtm_do_action+0x2c/0x4c)
 2282 17:14:55.108553  <0>[  225.094392]  r5:c4f03000 r4:00000021
 2283 17:14:55.108649  <0>[  225.098244] [<c0c5aea0>] (lkdtm_do_action) from [<c0c5b3cc>] (direct_entry+0x120/0x18c)
 2284 17:14:55.108767  <0>[  225.106548] [<c0c5b2ac>] (direct_entry) from [<c07e42b0>] (full_proxy_write+0x64/0x94)
 2285 17:14:55.108856  <0>[  225.114757]  r9:c5f25f60 r8:c3aa9540 r7:0000000d r6:b6dad000 r5:c5ec2640 r4:c0c5b2ac
 2286 17:14:55.111338  <0>[  225.122803] [<c07e424c>] (full_proxy_write) from [<c059c068>] (vfs_write+0x10c/0x54c)
 2287 17:14:55.151862  <0>[  225.130924]  r9:c07e424c r8:c5f25f60 r7:c290d000 r6:b6dad000 r5:c5ec2640 r4:00000000
 2288 17:14:55.152009  <0>[  225.138965] [<c059bf5c>] (vfs_write) from [<c059c624>] (ksys_write+0x74/0xec)
 2289 17:14:55.152098  <0>[  225.146391]  r10:00000004 r9:00000000 r8:00000000 r7:b6dad000 r6:c5f24000 r5:c5ec2640
 2290 17:14:55.152181  <0>[  225.154508]  r4:c5ec2640
 2291 17:14:55.152261  <0>[  225.157316] [<c059c5b0>] (ksys_write) from [<c059c6b4>] (sys_write+0x18/0x1c)
 2292 17:14:55.154961  <0>[  225.164742]  r9:c5f24000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000000d r4:0000000d
 2293 17:14:55.195040  <0>[  225.172784] [<c059c69c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 2294 17:14:55.195416  <0>[  225.180639] Exception stack(0xc5f25fa8 to 0xc5f25ff0)
 2295 17:14:55.195560  <0>[  225.185975] 5fa0:                   0000000d 0000000d 00000001 b6dad000 0000000d 00000001
 2296 17:14:55.195655  <0>[  225.194453] 5fc0: 0000000d 0000000d 7ff00000 00000004 00000001 b6dad000 00020000 004cfe38
 2297 17:14:55.195775  <0>[  225.202926] 5fe0: 00000004 beb6c7e8 b6e7333b b6dec616
 2298 17:14:55.198630  <0>[  225.208260] Code: efff3880 efff38a0 efff5f40 efff5f60 (e1a0c00d) 
 2299 17:14:55.214175  <4>[  225.214643] ---[ end trace af413873b24c9d25 ]---
 2300 17:14:55.214303  # Segmentation fault
 2301 17:14:55.385787  # [  224.786662] lkdtm: Performing direct entry EXEC_KMALLOC
 2302 17:14:55.386183  # [  224.790914] lkdtm: attempting ok execution at c0c5bc3c
 2303 17:14:55.386280  # [  224.796153] lkdtm: attempting bad execution at c2805dc0
 2304 17:14:55.386364  # [  224.801858] 8<--- cut here ---
 2305 17:14:55.386446  # [  224.804977] Unable to handle kernel paging request at virtual address c2805dc0
 2306 17:14:55.386567  # [  224.812496] pgd = f4f072a2
 2307 17:14:55.386657  # [  224.815458] [c2805dc0] *pgd=c281141e(bad)
 2308 17:14:55.389181  # [  224.819745] Internal error: Oops: 8000000d [#5] SMP ARM
 2309 17:14:55.429452  # [  224.825241] Modules linked in: fuse ip_tables x_tables snd_soc_hdmi_codec stm32_adc stm32_timer_trigger stm32_lptimer_trigger snd_soc_audio_graph_card snd_soc_simple_card_utils snd_soc_stm32_sai_sub snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore adv7511 brcmfmac stm_drm sha256_generic etnaviv sha256_arm gpu_sched hci_uart btbcm cfg80211 bluetooth brcmutil ecdh_generic ecc libaes snd_soc_stm32_sai stm32_adc_core
 2310 17:14:55.432488  # [  224.864300] CPU: 1 PID: 1825 Comm: cat Tainted: G      D W         5.10.220-cip49 #1
 2311 17:14:55.472445  # [  224.872325] Hardware name: STM32 (Device Tree Support)
 2312 17:14:55.472822  # [  224.877752] PC is at 0xc2805dc0
 2313 17:14:55.472929  # [  224.881162] LR is at execute_location+0xa4/0xb4
 2314 17:14:55.473015  # [  224.885956] pc : [<c2805dc0>]    lr : [<c13ce504>]    psr: 60080013
 2315 17:14:55.473097  # [  224.892508] sp : c5f25e30  ip : c5f25d38  fp : c5f25e4c
 2316 17:14:55.473216  # [  224.898011] r10: 0000000d  r9 : c1ad76ac  r8 : c15ec1e0
 2317 17:14:55.473337  # [  224.903515] r7 : c5f25f60  r6 : 00000001  r5 : c2805dc0  r4 : c0c5bc3c
 2318 17:14:55.515779  # [  224.910329] r3 : d7cee87b  r2 : d7cee87b  r1 : ef7aa5e0  r0 : 0000002b
 2319 17:14:55.516155  # [  224.917144] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 2320 17:14:55.516250  # [  224.924568] Control: 10c5387d  Table: c511006a  DAC: 00000051
 2321 17:14:55.516332  # [  224.930598] Process cat (pid: 1825, stack limit = 0x04796852)
 2322 17:14:55.516413  # [  224.936622] Stack: (0xc5f25e30 to 0xc5f26000)
 2323 17:14:55.516493  # [  224.941257] 5e20:                                     c2805dc0 c4f03000 0000000d c5f25f60
 2324 17:14:55.519263  # [  224.949730] 5e40: c5f25e64 c5f25e50 c0c5bc8c c13ce46c 00000021 c4f03000 c5f25e74 c5f25e68
 2325 17:14:55.559353  # [  224.958204] 5e60: c0c5aecc c0c5bc60 c5f25e9c c5f25e78 c0c5b3cc c0c5aeac c0c5b2ac c5ec2640
 2326 17:14:55.559540  # [  224.966677] 5e80: b6dad000 0000000d c3aa9540 c5f25f60 c5f25ec4 c5f25ea0 c07e42b0 c0c5b2b8
 2327 17:14:55.559629  # [  224.975150] 5ea0: 00000000 c5ec2640 b6dad000 c290d000 c5f25f60 c07e424c c5f25f5c c5f25ec8
 2328 17:14:55.559714  # [  224.983624] 5ec0: c059c068 c07e4258 00000001 00000000 c059c624 c13e3a68 c059c624 c5f24000
 2329 17:14:55.562692  # [  224.992096] 5ee0: b6dad000 00020000 00000004 0000000d 0001fff3 c5f25ee0 00000001 b6dac000
 2330 17:14:55.602476  # [  225.000568] 5f00: c5f2d500 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 2331 17:14:55.602910  # [  225.009044] 5f20: 00000000 00000000 c13e3a68 d7cee87b c206c1e0 c5ec2640 c5ec2640 c5f24000
 2332 17:14:55.603020  # [  225.017517] 5f40: b6dad000 00000000 00000000 00000004 c5f25f94 c5f25f60 c059c624 c059bf68
 2333 17:14:55.603104  # [  225.025990] 5f60: 00000000 00000000 c5f25fac d7cee87b 0000000d 0000000d 7ff00000 00000004
 2334 17:14:55.603182  # [  225.034465] 5f80: c03002e4 c5f24000 c5f25fa4 c5f25f98 c059c6b4 c059c5bc 00000000 c5f25fa8
 2335 17:14:55.645764  # [  225.042938] 5fa0: c03000c0 c059c6a8 0000000d 0000000d 00000001 b6dad000 0000000d 00000001
 2336 17:14:55.646187  # [  225.051413] 5fc0: 0000000d 0000000d 7ff00000 00000004 00000001 b6dad000 00020000 004cfe38
 2337 17:14:55.646321  # [  225.059887] 5fe0: 00000004 beb6c7e8 b6e7333b b6dec616 60080030 00000001 00000000 00000000
 2338 17:14:55.646443  # [  225.068351] Backtrace: 
 2339 17:14:55.646531  # [  225.071079] [<c13ce460>] (execute_location) from [<c0c5bc8c>] (lkdtm_EXEC_KMALLOC+0x38/0x44)
 2340 17:14:55.646612  # [  225.079805]  r7:c5f25f60 r6:0000000d r5:c4f03000 r4:c2805dc0
 2341 17:14:55.689115  # [  225.085750] [<c0c5bc54>] (lkdtm_EXEC_KMALLOC) from [<c0c5aecc>] (lkdtm_do_action+0x2c/0x4c)
 2342 17:14:55.689513  # [  225.094392]  r5:c4f03000 r4:00000021
 2343 17:14:55.689606  # [  225.098244] [<c0c5aea0>] (lkdtm_do_action) from [<c0c5b3cc>] (direct_entry+0x120/0x18c)
 2344 17:14:55.689688  # [  225.106548] [<c0c5b2ac>] (direct_entry) from [<c07e42b0>] (full_proxy_write+0x64/0x94)
 2345 17:14:55.689770  # [  225.114757]  r9:c5f25f60 r8:c3aa9540 r7:0000000d r6:b6dad000 r5:c5ec2640 r4:c0c5b2ac
 2346 17:14:55.689850  # [  225.122803] [<c07e424c>] (full_proxy_write) from [<c059c068>] (vfs_write+0x10c/0x54c)
 2347 17:14:55.732490  # [  225.130924]  r9:c07e424c r8:c5f25f60 r7:c290d000 r6:b6dad000 r5:c5ec2640 r4:00000000
 2348 17:14:55.732918  # [  225.138965] [<c059bf5c>] (vfs_write) from [<c059c624>] (ksys_write+0x74/0xec)
 2349 17:14:55.733020  # [  225.146391]  r10:00000004 r9:00000000 r8:00000000 r7:b6dad000 r6:c5f24000 r5:c5ec2640
 2350 17:14:55.733103  # [  225.154508]  r4:c5ec2640
 2351 17:14:55.733182  # [  225.157316] [<c059c5b0>] (ksys_write) from [<c059c6b4>] (sys_write+0x18/0x1c)
 2352 17:14:55.733260  # [  225.164742]  r9:c5f24000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000000d r4:0000000d
 2353 17:14:55.775591  # [  225.172784] [<c059c69c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 2354 17:14:55.776036  # [  225.180639] Exception stack(0xc5f25fa8 to 0xc5f25ff0)
 2355 17:14:55.776144  # [  225.185975] 5fa0:                   0000000d 0000000d 00000001 b6dad000 0000000d 00000001
 2356 17:14:55.776229  # [  225.194453] 5fc0: 0000000d 0000000d 7ff00000 00000004 00000001 b6dad000 00020000 004cfe38
 2357 17:14:55.776310  # [  225.202926] 5fe0: 00000004 beb6c7e8 b6e7333b b6dec616
 2358 17:14:55.776389  # [  225.208260] Code: efff3880 efff38a0 efff5f40 efff5f60 (e1a0c00d) 
 2359 17:14:55.776469  # [  225.214643] ---[ end trace af413873b24c9d25 ]---
 2360 17:14:55.778933  # EXEC_KMALLOC: missing 'call trace:': [FAIL]
 2361 17:14:55.796939  not ok 32 selftests: lkdtm: EXEC_KMALLOC.sh # exit=1
 2362 17:14:55.800300  # selftests: lkdtm: EXEC_VMALLOC.sh
 2363 17:14:56.183651  <6>[  226.165272] lkdtm: Performing direct entry EXEC_VMALLOC
 2364 17:14:56.184092  <6>[  226.169522] lkdtm: attempting ok execution at c0c5bc3c
 2365 17:14:56.184214  <6>[  226.174765] lkdtm: attempting bad execution at f0891000
 2366 17:14:56.184300  <1>[  226.180453] 8<--- cut here ---
 2367 17:14:56.184383  <1>[  226.183596] Unable to handle kernel paging request at virtual address f0891000
 2368 17:14:56.184465  <1>[  226.191240] pgd = 83d2f73f
 2369 17:14:56.184546  <1>[  226.194131] [f0891000] *pgd=c2958811, *pte=f88a865f, *ppte=f88a845f
 2370 17:14:56.186947  <0>[  226.200753] Internal error: Oops: 8000000f [#6] SMP ARM
 2371 17:14:56.227362  <4>[  226.206132] Modules linked in: fuse ip_tables x_tables snd_soc_hdmi_codec stm32_adc stm32_timer_trigger stm32_lptimer_trigger snd_soc_audio_graph_card snd_soc_simple_card_utils snd_soc_stm32_sai_sub snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore adv7511 brcmfmac stm_drm sha256_generic etnaviv sha256_arm gpu_sched hci_uart btbcm cfg80211 bluetooth brcmutil ecdh_generic ecc libaes snd_soc_stm32_sai stm32_adc_core
 2372 17:14:56.270240  <4>[  226.245197] CPU: 1 PID: 1903 Comm: cat Tainted: G      D W         5.10.220-cip49 #1
 2373 17:14:56.270681  <4>[  226.253221] Hardware name: STM32 (Device Tree Support)
 2374 17:14:56.270781  <4>[  226.258650] PC is at 0xf0891000
 2375 17:14:56.270866  <4>[  226.262059] LR is at execute_location+0xa4/0xb4
 2376 17:14:56.270947  <4>[  226.266852] pc : [<f0891000>]    lr : [<c13ce504>]    psr: 60080013
 2377 17:14:56.271030  <4>[  226.273404] sp : c5a3de30  ip : c5a3dd38  fp : c5a3de4c
 2378 17:14:56.271112  <4>[  226.278907] r10: 0000000d  r9 : c1ad76bc  r8 : c15ec1e0
 2379 17:14:56.273743  <4>[  226.284411] r7 : c5a3df60  r6 : 00000001  r5 : f0891000  r4 : c0c5bc3c
 2380 17:14:56.313586  <4>[  226.291225] r3 : de4f58b5  r2 : de4f58b5  r1 : ef7aa5e0  r0 : 0000002b
 2381 17:14:56.313985  <4>[  226.298041] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 2382 17:14:56.314086  <4>[  226.305466] Control: 10c5387d  Table: c511406a  DAC: 00000051
 2383 17:14:56.314169  <0>[  226.311498] Process cat (pid: 1903, stack limit = 0x5818cfa9)
 2384 17:14:56.314250  <0>[  226.317521] Stack: (0xc5a3de30 to 0xc5a3e000)
 2385 17:14:56.314330  <0>[  226.322157] de20:                                     f0891000 c5e2f000 0000000d c5a3df60
 2386 17:14:56.356933  <0>[  226.330634] de40: c5a3de64 c5a3de50 c0c5bcc0 c13ce46c 00000022 c5e2f000 c5a3de74 c5a3de68
 2387 17:14:56.357287  <0>[  226.339108] de60: c0c5aecc c0c5bca4 c5a3de9c c5a3de78 c0c5b3cc c0c5aeac c0c5b2ac c2985780
 2388 17:14:56.357391  <0>[  226.347583] de80: b6e47000 0000000d c3aa9540 c5a3df60 c5a3dec4 c5a3dea0 c07e42b0 c0c5b2b8
 2389 17:14:56.357475  <0>[  226.356058] dea0: 00000000 c2985780 b6e47000 c290d000 c5a3df60 c07e424c c5a3df5c c5a3dec8
 2390 17:14:56.357556  <0>[  226.364533] dec0: c059c068 c07e4258 00000001 00000000 c059c624 c13e3a68 c059c624 c5a3c000
 2391 17:14:56.400288  <0>[  226.373008] dee0: b6e47000 00020000 00000004 0000000d 0001fff3 c5a3dee0 00000001 b6e46000
 2392 17:14:56.400634  <0>[  226.381483] df00: c2985c80 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 2393 17:14:56.400735  <0>[  226.389960] df20: 00000000 00000000 c13e3a68 de4f58b5 c206c1e0 c2985780 c2985780 c5a3c000
 2394 17:14:56.400821  <0>[  226.398436] df40: b6e47000 00000000 00000000 00000004 c5a3df94 c5a3df60 c059c624 c059bf68
 2395 17:14:56.400904  <0>[  226.406912] df60: 00000000 00000000 c5a3dfac de4f58b5 0000000d 0000000d 7ff00000 00000004
 2396 17:14:56.403651  <0>[  226.415389] df80: c03002e4 c5a3c000 c5a3dfa4 c5a3df98 c059c6b4 c059c5bc 00000000 c5a3dfa8
 2397 17:14:56.443839  <0>[  226.423865] dfa0: c03000c0 c059c6a8 0000000d 0000000d 00000001 b6e47000 0000000d 00000001
 2398 17:14:56.443998  <0>[  226.432342] dfc0: 0000000d 0000000d 7ff00000 00000004 00000001 b6e47000 00020000 0049fe38
 2399 17:14:56.444085  <0>[  226.440818] dfe0: 00000004 bef677e8 b6f0d33b b6e86616 60080030 00000001 00000000 00000000
 2400 17:14:56.444167  <0>[  226.449284] Backtrace: 
 2401 17:14:56.444249  <0>[  226.452012] [<c13ce460>] (execute_location) from [<c0c5bcc0>] (lkdtm_EXEC_VMALLOC+0x28/0x34)
 2402 17:14:56.447059  <0>[  226.460745]  r7:c5a3df60 r6:0000000d r5:c5e2f000 r4:f0891000
 2403 17:14:56.487208  <0>[  226.466688] [<c0c5bc98>] (lkdtm_EXEC_VMALLOC) from [<c0c5aecc>] (lkdtm_do_action+0x2c/0x4c)
 2404 17:14:56.487382  <0>[  226.475326]  r5:c5e2f000 r4:00000022
 2405 17:14:56.487479  <0>[  226.479177] [<c0c5aea0>] (lkdtm_do_action) from [<c0c5b3cc>] (direct_entry+0x120/0x18c)
 2406 17:14:56.487566  <0>[  226.487487] [<c0c5b2ac>] (direct_entry) from [<c07e42b0>] (full_proxy_write+0x64/0x94)
 2407 17:14:56.487649  <0>[  226.495692]  r9:c5a3df60 r8:c3aa9540 r7:0000000d r6:b6e47000 r5:c2985780 r4:c0c5b2ac
 2408 17:14:56.530324  <0>[  226.503735] [<c07e424c>] (full_proxy_write) from [<c059c068>] (vfs_write+0x10c/0x54c)
 2409 17:14:56.530693  <0>[  226.511856]  r9:c07e424c r8:c5a3df60 r7:c290d000 r6:b6e47000 r5:c2985780 r4:00000000
 2410 17:14:56.530794  <0>[  226.519895] [<c059bf5c>] (vfs_write) from [<c059c624>] (ksys_write+0x74/0xec)
 2411 17:14:56.530890  <0>[  226.527316]  r10:00000004 r9:00000000 r8:00000000 r7:b6e47000 r6:c5a3c000 r5:c2985780
 2412 17:14:56.530973  <0>[  226.535435]  r4:c2985780
 2413 17:14:56.531054  <0>[  226.538244] [<c059c5b0>] (ksys_write) from [<c059c6b4>] (sys_write+0x18/0x1c)
 2414 17:14:56.533979  <0>[  226.545666]  r9:c5a3c000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000000d r4:0000000d
 2415 17:14:56.573911  <0>[  226.553708] [<c059c69c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 2416 17:14:56.574062  <0>[  226.561563] Exception stack(0xc5a3dfa8 to 0xc5a3dff0)
 2417 17:14:56.574147  <0>[  226.566898] dfa0:                   0000000d 0000000d 00000001 b6e47000 0000000d 00000001
 2418 17:14:56.574229  <0>[  226.575375] dfc0: 0000000d 0000000d 7ff00000 00000004 00000001 b6e47000 00020000 0049fe38
 2419 17:14:56.574309  <0>[  226.583846] dfe0: 00000004 bef677e8 b6f0d33b b6e86616
 2420 17:14:56.574388  <0>[  226.589191] Code: bad PC value
 2421 17:14:56.592155  <4>[  226.592613] ---[ end trace af413873b24c9d26 ]---
 2422 17:14:56.592317  # Segmentation fault
 2423 17:14:56.812169  # [  226.165272] lkdtm: Performing direct entry EXEC_VMALLOC
 2424 17:14:56.812604  # [  226.169522] lkdtm: attempting ok execution at c0c5bc3c
 2425 17:14:56.812701  # [  226.174765] lkdtm: attempting bad execution at f0891000
 2426 17:14:56.812784  # [  226.180453] 8<--- cut here ---
 2427 17:14:56.812864  # [  226.183596] Unable to handle kernel paging request at virtual address f0891000
 2428 17:14:56.812944  # [  226.191240] pgd = 83d2f73f
 2429 17:14:56.813023  # [  226.194131] [f0891000] *pgd=c2958811, *pte=f88a865f, *ppte=f88a845f
 2430 17:14:56.815549  # [  226.200753] Internal error: Oops: 8000000f [#6] SMP ARM
 2431 17:14:56.855641  # [  226.206132] Modules linked in: fuse ip_tables x_tables snd_soc_hdmi_codec stm32_adc stm32_timer_trigger stm32_lptimer_trigger snd_soc_audio_graph_card snd_soc_simple_card_utils snd_soc_stm32_sai_sub snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore adv7511 brcmfmac stm_drm sha256_generic etnaviv sha256_arm gpu_sched hci_uart btbcm cfg80211 bluetooth brcmutil ecdh_generic ecc libaes snd_soc_stm32_sai stm32_adc_core
 2432 17:14:56.898828  # [  226.245197] CPU: 1 PID: 1903 Comm: cat Tainted: G      D W         5.10.220-cip49 #1
 2433 17:14:56.899239  # [  226.253221] Hardware name: STM32 (Device Tree Support)
 2434 17:14:56.899377  # [  226.258650] PC is at 0xf0891000
 2435 17:14:56.899512  # [  226.262059] LR is at execute_location+0xa4/0xb4
 2436 17:14:56.899637  # [  226.266852] pc : [<f0891000>]    lr : [<c13ce504>]    psr: 60080013
 2437 17:14:56.899760  # [  226.273404] sp : c5a3de30  ip : c5a3dd38  fp : c5a3de4c
 2438 17:14:56.899881  # [  226.278907] r10: 0000000d  r9 : c1ad76bc  r8 : c15ec1e0
 2439 17:14:56.902418  # [  226.284411] r7 : c5a3df60  r6 : 00000001  r5 : f0891000  r4 : c0c5bc3c
 2440 17:14:56.942100  # [  226.291225] r3 : de4f58b5  r2 : de4f58b5  r1 : ef7aa5e0  r0 : 0000002b
 2441 17:14:56.942499  # [  226.298041] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 2442 17:14:56.942596  # [  226.305466] Control: 10c5387d  Table: c511406a  DAC: 00000051
 2443 17:14:56.942719  # [  226.311498] Process cat (pid: 1903, stack limit = 0x5818cfa9)
 2444 17:14:56.942810  # [  226.317521] Stack: (0xc5a3de30 to 0xc5a3e000)
 2445 17:14:56.942926  # [  226.322157] de20:                                     f0891000 c5e2f000 0000000d c5a3df60
 2446 17:14:56.945662  # [  226.330634] de40: c5a3de64 c5a3de50 c0c5bcc0 c13ce46c 00000022 c5e2f000 c5a3de74 c5a3de68
 2447 17:14:56.985706  # [  226.339108] de60: c0c5aecc c0c5bca4 c5a3de9c c5a3de78 c0c5b3cc c0c5aeac c0c5b2ac c2985780
 2448 17:14:56.985945  # [  226.347583] de80: b6e47000 0000000d c3aa9540 c5a3df60 c5a3dec4 c5a3dea0 c07e42b0 c0c5b2b8
 2449 17:14:56.986073  # [  226.356058] dea0: 00000000 c2985780 b6e47000 c290d000 c5a3df60 c07e424c c5a3df5c c5a3dec8
 2450 17:14:56.986194  # [  226.364533] dec0: c059c068 c07e4258 00000001 00000000 c059c624 c13e3a68 c059c624 c5a3c000
 2451 17:14:56.989066  # [  226.373008] dee0: b6e47000 00020000 00000004 0000000d 0001fff3 c5a3dee0 00000001 b6e46000
 2452 17:14:57.029069  # [  226.381483] df00: c2985c80 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 2453 17:14:57.029313  # [  226.389960] df20: 00000000 00000000 c13e3a68 de4f58b5 c206c1e0 c2985780 c2985780 c5a3c000
 2454 17:14:57.029441  # [  226.398436] df40: b6e47000 00000000 00000000 00000004 c5a3df94 c5a3df60 c059c624 c059bf68
 2455 17:14:57.029565  # [  226.406912] df60: 00000000 00000000 c5a3dfac de4f58b5 0000000d 0000000d 7ff00000 00000004
 2456 17:14:57.032176  # [  226.415389] df80: c03002e4 c5a3c000 c5a3dfa4 c5a3df98 c059c6b4 c059c5bc 00000000 c5a3dfa8
 2457 17:14:57.072113  # [  226.423865] dfa0: c03000c0 c059c6a8 0000000d 0000000d 00000001 b6e47000 0000000d 00000001
 2458 17:14:57.072553  # [  226.432342] dfc0: 0000000d 0000000d 7ff00000 00000004 00000001 b6e47000 00020000 0049fe38
 2459 17:14:57.072689  # [  226.440818] dfe0: 00000004 bef677e8 b6f0d33b b6e86616 60080030 00000001 00000000 00000000
 2460 17:14:57.072812  # [  226.449284] Backtrace: 
 2461 17:14:57.072933  # [  226.452012] [<c13ce460>] (execute_location) from [<c0c5bcc0>] (lkdtm_EXEC_VMALLOC+0x28/0x34)
 2462 17:14:57.075624  # [  226.460745]  r7:c5a3df60 r6:0000000d r5:c5e2f000 r4:f0891000
 2463 17:14:57.115462  # [  226.466688] [<c0c5bc98>] (lkdtm_EXEC_VMALLOC) from [<c0c5aecc>] (lkdtm_do_action+0x2c/0x4c)
 2464 17:14:57.115896  # [  226.475326]  r5:c5e2f000 r4:00000022
 2465 17:14:57.116030  # [  226.479177] [<c0c5aea0>] (lkdtm_do_action) from [<c0c5b3cc>] (direct_entry+0x120/0x18c)
 2466 17:14:57.116152  # [  226.487487] [<c0c5b2ac>] (direct_entry) from [<c07e42b0>] (full_proxy_write+0x64/0x94)
 2467 17:14:57.116272  # [  226.495692]  r9:c5a3df60 r8:c3aa9540 r7:0000000d r6:b6e47000 r5:c2985780 r4:c0c5b2ac
 2468 17:14:57.118863  # [  226.503735] [<c07e424c>] (full_proxy_write) from [<c059c068>] (vfs_write+0x10c/0x54c)
 2469 17:14:57.158742  # [  226.511856]  r9:c07e424c r8:c5a3df60 r7:c290d000 r6:b6e47000 r5:c2985780 r4:00000000
 2470 17:14:57.159122  # [  226.519895] [<c059bf5c>] (vfs_write) from [<c059c624>] (ksys_write+0x74/0xec)
 2471 17:14:57.159223  # [  226.527316]  r10:00000004 r9:00000000 r8:00000000 r7:b6e47000 r6:c5a3c000 r5:c2985780
 2472 17:14:57.159309  # [  226.535435]  r4:c2985780
 2473 17:14:57.159392  # [  226.538244] [<c059c5b0>] (ksys_write) from [<c059c6b4>] (sys_write+0x18/0x1c)
 2474 17:14:57.159490  # [  226.545666]  r9:c5a3c000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000000d r4:0000000d
 2475 17:14:57.202100  # [  226.553708] [<c059c69c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 2476 17:14:57.202493  # [  226.561563] Exception stack(0xc5a3dfa8 to 0xc5a3dff0)
 2477 17:14:57.202595  # [  226.566898] dfa0:                   0000000d 0000000d 00000001 b6e47000 0000000d 00000001
 2478 17:14:57.202679  # [  226.575375] dfc0: 0000000d 0000000d 7ff00000 00000004 00000001 b6e47000 00020000 0049fe38
 2479 17:14:57.202760  # [  226.583846] dfe0: 00000004 bef677e8 b6f0d33b b6e86616
 2480 17:14:57.202845  # [  226.589191] Code: bad PC value
 2481 17:14:57.202924  # [  226.592613] ---[ end trace af413873b24c9d26 ]---
 2482 17:14:57.205582  # EXEC_VMALLOC: missing 'call trace:': [FAIL]
 2483 17:14:57.222892  not ok 33 selftests: lkdtm: EXEC_VMALLOC.sh # exit=1
 2484 17:14:57.226296  # selftests: lkdtm: EXEC_RODATA.sh
 2485 17:14:57.532400  <6>[  227.514030] lkdtm: Performing direct entry EXEC_RODATA
 2486 17:14:57.532813  <6>[  227.518146] lkdtm: attempting ok execution at c0c5bc3c
 2487 17:14:57.532909  <6>[  227.523435] lkdtm: attempting bad execution at c15ec47c
 2488 17:14:57.532992  <1>[  227.529075] 8<--- cut here ---
 2489 17:14:57.533074  <1>[  227.532251] Unable to handle kernel paging request at virtual address c15ec47c
 2490 17:14:57.533154  <1>[  227.539775] pgd = 62086e3d
 2491 17:14:57.533234  <1>[  227.542732] [c15ec47c] *pgd=c141941e(bad)
 2492 17:14:57.535867  <0>[  227.547023] Internal error: Oops: 8000000d [#7] SMP ARM
 2493 17:14:57.576069  <4>[  227.552517] Modules linked in: fuse ip_tables x_tables snd_soc_hdmi_codec stm32_adc stm32_timer_trigger stm32_lptimer_trigger snd_soc_audio_graph_card snd_soc_simple_card_utils snd_soc_stm32_sai_sub snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore adv7511 brcmfmac stm_drm sha256_generic etnaviv sha256_arm gpu_sched hci_uart btbcm cfg80211 bluetooth brcmutil ecdh_generic ecc libaes snd_soc_stm32_sai stm32_adc_core
 2494 17:14:57.618999  <4>[  227.591572] CPU: 1 PID: 1981 Comm: cat Tainted: G      D W         5.10.220-cip49 #1
 2495 17:14:57.619401  <4>[  227.599591] Hardware name: STM32 (Device Tree Support)
 2496 17:14:57.619511  <4>[  227.605024] PC is at lkdtm_rodata_do_nothing+0x0/0x10
 2497 17:14:57.619593  <4>[  227.610346] LR is at execute_location+0xa4/0xb4
 2498 17:14:57.619678  <4>[  227.615143] pc : [<c15ec47c>]    lr : [<c13ce504>]    psr: 60080013
 2499 17:14:57.619755  <4>[  227.621694] sp : c5161e38  ip : c5161d40  fp : c5161e54
 2500 17:14:57.619834  <4>[  227.627196] r10: 0000000c  r9 : c1ad76cc  r8 : c15ec1e0
 2501 17:14:57.622617  <4>[  227.632700] r7 : c5161f60  r6 : 00000000  r5 : c15ec47c  r4 : c0c5bc3c
 2502 17:14:57.662391  <4>[  227.639515] r3 : 23e0a6c2  r2 : 23e0a6c2  r1 : ef7aa5e0  r0 : 0000002b
 2503 17:14:57.662721  <4>[  227.646329] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 2504 17:14:57.662820  <4>[  227.653752] Control: 10c5387d  Table: c515806a  DAC: 00000051
 2505 17:14:57.662904  <0>[  227.659782] Process cat (pid: 1981, stack limit = 0xe9b8a959)
 2506 17:14:57.662986  <0>[  227.665806] Stack: (0xc5161e38 to 0xc5162000)
 2507 17:14:57.663068  <0>[  227.670440] 1e20:                                                       00000023 c5e2f000
 2508 17:14:57.705660  <0>[  227.678918] 1e40: 0000000c c5161f60 c5161e64 c5161e58 c13ce6ec c13ce46c c5161e74 c5161e68
 2509 17:14:57.706024  <0>[  227.687391] 1e60: c0c5aecc c13ce6d4 c5161e9c c5161e78 c0c5b3cc c0c5aeac c0c5b2ac c5f2d8c0
 2510 17:14:57.706123  <0>[  227.695864] 1e80: b6dc5000 0000000c c3aa9540 c5161f60 c5161ec4 c5161ea0 c07e42b0 c0c5b2b8
 2511 17:14:57.706207  <0>[  227.704337] 1ea0: 00000000 c5f2d8c0 b6dc5000 c290d000 c5161f60 c07e424c c5161f5c c5161ec8
 2512 17:14:57.706288  <0>[  227.712810] 1ec0: c059c068 c07e4258 00000001 00000000 c059c624 c13e3a68 c059c624 c5160000
 2513 17:14:57.748966  <0>[  227.721283] 1ee0: b6dc5000 00020000 00000004 0000000c 0001fff4 c5161ee0 00000001 b6dc4000
 2514 17:14:57.749326  <0>[  227.729754] 1f00: c59fc000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 2515 17:14:57.749426  <0>[  227.738228] 1f20: 00000000 00000000 c13e3a68 23e0a6c2 c206c1e0 c5f2d8c0 c5f2d8c0 c5160000
 2516 17:14:57.749510  <0>[  227.746701] 1f40: b6dc5000 00000000 00000000 00000004 c5161f94 c5161f60 c059c624 c059bf68
 2517 17:14:57.749591  <0>[  227.755174] 1f60: 00000000 00000000 c5161fac 23e0a6c2 0000000c 0000000c 7ff00000 00000004
 2518 17:14:57.752399  <0>[  227.763648] 1f80: c03002e4 c5160000 c5161fa4 c5161f98 c059c6b4 c059c5bc 00000000 c5161fa8
 2519 17:14:57.792567  <0>[  227.772119] 1fa0: c03000c0 c059c6a8 0000000c 0000000c 00000001 b6dc5000 0000000c 00000001
 2520 17:14:57.792748  <0>[  227.780592] 1fc0: 0000000c 0000000c 7ff00000 00000004 00000001 b6dc5000 00020000 0047fe38
 2521 17:14:57.792832  <0>[  227.789065] 1fe0: 00000004 bef157e8 b6e8b33b b6e04616 60080030 00000001 00000000 00000000
 2522 17:14:57.792914  <0>[  227.797527] Backtrace: 
 2523 17:14:57.792995  <0>[  227.800255] [<c13ce460>] (execute_location) from [<c13ce6ec>] (lkdtm_EXEC_RODATA+0x24/0x28)
 2524 17:14:57.795616  <0>[  227.808894]  r7:c5161f60 r6:0000000c r5:c5e2f000 r4:00000023
 2525 17:14:57.835892  <0>[  227.814839] [<c13ce6c8>] (lkdtm_EXEC_RODATA) from [<c0c5aecc>] (lkdtm_do_action+0x2c/0x4c)
 2526 17:14:57.836046  <0>[  227.823395] [<c0c5aea0>] (lkdtm_do_action) from [<c0c5b3cc>] (direct_entry+0x120/0x18c)
 2527 17:14:57.836133  <0>[  227.831697] [<c0c5b2ac>] (direct_entry) from [<c07e42b0>] (full_proxy_write+0x64/0x94)
 2528 17:14:57.836215  <0>[  227.839905]  r9:c5161f60 r8:c3aa9540 r7:0000000c r6:b6dc5000 r5:c5f2d8c0 r4:c0c5b2ac
 2529 17:14:57.839124  <0>[  227.847948] [<c07e424c>] (full_proxy_write) from [<c059c068>] (vfs_write+0x10c/0x54c)
 2530 17:14:57.878965  <0>[  227.856069]  r9:c07e424c r8:c5161f60 r7:c290d000 r6:b6dc5000 r5:c5f2d8c0 r4:00000000
 2531 17:14:57.879346  <0>[  227.864108] [<c059bf5c>] (vfs_write) from [<c059c624>] (ksys_write+0x74/0xec)
 2532 17:14:57.879439  <0>[  227.871532]  r10:00000004 r9:00000000 r8:00000000 r7:b6dc5000 r6:c5160000 r5:c5f2d8c0
 2533 17:14:57.879533  <0>[  227.879648]  r4:c5f2d8c0
 2534 17:14:57.879613  <0>[  227.882454] [<c059c5b0>] (ksys_write) from [<c059c6b4>] (sys_write+0x18/0x1c)
 2535 17:14:57.879694  <0>[  227.889878]  r9:c5160000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000000c r4:0000000c
 2536 17:14:57.931342  <0>[  227.897919] [<c059c69c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 2537 17:14:57.931746  <0>[  227.905771] Exception stack(0xc5161fa8 to 0xc5161ff0)
 2538 17:14:57.931846  <0>[  227.911106] 1fa0:                   0000000c 0000000c 00000001 b6dc5000 0000000c 00000001
 2539 17:14:57.931928  <0>[  227.919581] 1fc0: 0000000c 0000000c 7ff00000 00000004 00000001 b6dc5000 00020000 0047fe38
 2540 17:14:57.932011  <0>[  227.928052] 1fe0: 00000004 bef157e8 b6e8b33b b6e04616
 2541 17:14:57.932093  <0>[  227.933386] Code: 5f727563 6e756f63 00000074 aa55aa55 (e1a0c00d) 
 2542 17:14:57.934770  <4>[  227.939766] ---[ end trace af413873b24c9d27 ]---
 2543 17:14:57.950007  # Segmentation fault
 2544 17:14:58.422530  # [  227.514030] lkdtm: Performing direct entry EXEC_RODATA
 2545 17:14:58.422964  # [  227.518146] lkdtm: attempting ok execution at c0c5bc3c
 2546 17:14:58.423067  # [  227.523435] lkdtm: attempting bad execution at c15ec47c
 2547 17:14:58.423151  # [  227.529075] 8<--- cut here ---
 2548 17:14:58.423231  # [  227.532251] Unable to handle kernel paging request at virtual address c15ec47c
 2549 17:14:58.423312  # [  227.539775] pgd = 62086e3d
 2550 17:14:58.423392  # [  227.542732] [c15ec47c] *pgd=c141941e(bad)
 2551 17:14:58.426080  # [  227.547023] Internal error: Oops: 8000000d [#7] SMP ARM
 2552 17:14:58.466184  # [  227.552517] Modules linked in: fuse ip_tables x_tables snd_soc_hdmi_codec stm32_adc stm32_timer_trigger stm32_lptimer_trigger snd_soc_audio_graph_card snd_soc_simple_card_utils snd_soc_stm32_sai_sub snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore adv7511 brcmfmac stm_drm sha256_generic etnaviv sha256_arm gpu_sched hci_uart btbcm cfg80211 bluetooth brcmutil ecdh_generic ecc libaes snd_soc_stm32_sai stm32_adc_core
 2553 17:14:58.469346  # [  227.591572] CPU: 1 PID: 1981 Comm: cat Tainted: G      D W         5.10.220-cip49 #1
 2554 17:14:58.509085  # [  227.599591] Hardware name: STM32 (Device Tree Support)
 2555 17:14:58.509460  # [  227.605024] PC is at lkdtm_rodata_do_nothing+0x0/0x10
 2556 17:14:58.509560  # [  227.610346] LR is at execute_location+0xa4/0xb4
 2557 17:14:58.509645  # [  227.615143] pc : [<c15ec47c>]    lr : [<c13ce504>]    psr: 60080013
 2558 17:14:58.509728  # [  227.621694] sp : c5161e38  ip : c5161d40  fp : c5161e54
 2559 17:14:58.509809  # [  227.627196] r10: 0000000c  r9 : c1ad76cc  r8 : c15ec1e0
 2560 17:14:58.509889  # [  227.632700] r7 : c5161f60  r6 : 00000000  r5 : c15ec47c  r4 : c0c5bc3c
 2561 17:14:58.552449  # [  227.639515] r3 : 23e0a6c2  r2 : 23e0a6c2  r1 : ef7aa5e0  r0 : 0000002b
 2562 17:14:58.552830  # [  227.646329] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 2563 17:14:58.552932  # [  227.653752] Control: 10c5387d  Table: c515806a  DAC: 00000051
 2564 17:14:58.553018  # [  227.659782] Process cat (pid: 1981, stack limit = 0xe9b8a959)
 2565 17:14:58.553099  # [  227.665806] Stack: (0xc5161e38 to 0xc5162000)
 2566 17:14:58.553180  # [  227.670440] 1e20:                                                       00000023 c5e2f000
 2567 17:14:58.555811  # [  227.678918] 1e40: 0000000c c5161f60 c5161e64 c5161e58 c13ce6ec c13ce46c c5161e74 c5161e68
 2568 17:14:58.595937  # [  227.687391] 1e60: c0c5aecc c13ce6d4 c5161e9c c5161e78 c0c5b3cc c0c5aeac c0c5b2ac c5f2d8c0
 2569 17:14:58.596120  # [  227.695864] 1e80: b6dc5000 0000000c c3aa9540 c5161f60 c5161ec4 c5161ea0 c07e42b0 c0c5b2b8
 2570 17:14:58.596214  # [  227.704337] 1ea0: 00000000 c5f2d8c0 b6dc5000 c290d000 c5161f60 c07e424c c5161f5c c5161ec8
 2571 17:14:58.596297  # [  227.712810] 1ec0: c059c068 c07e4258 00000001 00000000 c059c624 c13e3a68 c059c624 c5160000
 2572 17:14:58.598495  # [  227.721283] 1ee0: b6dc5000 00020000 00000004 0000000c 0001fff4 c5161ee0 00000001 b6dc4000
 2573 17:14:58.639180  # [  227.729754] 1f00: c59fc000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 2574 17:14:58.639328  # [  227.738228] 1f20: 00000000 00000000 c13e3a68 23e0a6c2 c206c1e0 c5f2d8c0 c5f2d8c0 c5160000
 2575 17:14:58.639415  # [  227.746701] 1f40: b6dc5000 00000000 00000000 00000004 c5161f94 c5161f60 c059c624 c059bf68
 2576 17:14:58.639507  # [  227.755174] 1f60: 00000000 00000000 c5161fac 23e0a6c2 0000000c 0000000c 7ff00000 00000004
 2577 17:14:58.642470  # [  227.763648] 1f80: c03002e4 c5160000 c5161fa4 c5161f98 c059c6b4 c059c5bc 00000000 c5161fa8
 2578 17:14:58.682522  # [  227.772119] 1fa0: c03000c0 c059c6a8 0000000c 0000000c 00000001 b6dc5000 0000000c 00000001
 2579 17:14:58.682978  # [  227.780592] 1fc0: 0000000c 0000000c 7ff00000 00000004 00000001 b6dc5000 00020000 0047fe38
 2580 17:14:58.683081  # [  227.789065] 1fe0: 00000004 bef157e8 b6e8b33b b6e04616 60080030 00000001 00000000 00000000
 2581 17:14:58.683201  # [  227.797527] Backtrace: 
 2582 17:14:58.683291  # [  227.800255] [<c13ce460>] (execute_location) from [<c13ce6ec>] (lkdtm_EXEC_RODATA+0x24/0x28)
 2583 17:14:58.683438  # [  227.808894]  r7:c5161f60 r6:0000000c r5:c5e2f000 r4:00000023
 2584 17:14:58.725738  # [  227.814839] [<c13ce6c8>] (lkdtm_EXEC_RODATA) from [<c0c5aecc>] (lkdtm_do_action+0x2c/0x4c)
 2585 17:14:58.726094  # [  227.823395] [<c0c5aea0>] (lkdtm_do_action) from [<c0c5b3cc>] (direct_entry+0x120/0x18c)
 2586 17:14:58.726187  # [  227.831697] [<c0c5b2ac>] (direct_entry) from [<c07e42b0>] (full_proxy_write+0x64/0x94)
 2587 17:14:58.726271  # [  227.839905]  r9:c5161f60 r8:c3aa9540 r7:0000000c r6:b6dc5000 r5:c5f2d8c0 r4:c0c5b2ac
 2588 17:14:58.726355  # [  227.847948] [<c07e424c>] (full_proxy_write) from [<c059c068>] (vfs_write+0x10c/0x54c)
 2589 17:14:58.769026  # [  227.856069]  r9:c07e424c r8:c5161f60 r7:c290d000 r6:b6dc5000 r5:c5f2d8c0 r4:00000000
 2590 17:14:58.769437  # [  227.864108] [<c059bf5c>] (vfs_write) from [<c059c624>] (ksys_write+0x74/0xec)
 2591 17:14:58.769575  # [  227.871532]  r10:00000004 r9:00000000 r8:00000000 r7:b6dc5000 r6:c5160000 r5:c5f2d8c0
 2592 17:14:58.769697  # [  227.879648]  r4:c5f2d8c0
 2593 17:14:58.769825  # [  227.882454] [<c059c5b0>] (ksys_write) from [<c059c6b4>] (sys_write+0x18/0x1c)
 2594 17:14:58.769945  # [  227.889878]  r9:c5160000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000000c r4:0000000c
 2595 17:14:58.772498  # [  227.897919] [<c059c69c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 2596 17:14:58.812411  # [  227.905771] Exception stack(0xc5161fa8 to 0xc5161ff0)
 2597 17:14:58.812807  # [  227.911106] 1fa0:                   0000000c 0000000c 00000001 b6dc5000 0000000c 00000001
 2598 17:14:58.812943  # [  227.919581] 1fc0: 0000000c 0000000c 7ff00000 00000004 00000001 b6dc5000 00020000 0047fe38
 2599 17:14:58.813067  # [  227.928052] 1fe0: 00000004 bef157e8 b6e8b33b b6e04616
 2600 17:14:58.813189  # [  227.933386] Code: 5f727563 6e756f63 00000074 aa55aa55 (e1a0c00d) 
 2601 17:14:58.813317  # [  227.939766] ---[ end trace af413873b24c9d27 ]---
 2602 17:14:58.815819  # EXEC_RODATA: missing 'call trace:': [FAIL]
 2603 17:14:58.832694  not ok 34 selftests: lkdtm: EXEC_RODATA.sh # exit=1
 2604 17:14:58.836031  # selftests: lkdtm: EXEC_USERSPACE.sh
 2605 17:14:59.107843  <6>[  229.089307] lkdtm: Performing direct entry EXEC_USERSPACE
 2606 17:14:59.108040  <6>[  229.093582] lkdtm: attempting ok execution at c0c5bc3c
 2607 17:14:59.108132  <6>[  229.099395] lkdtm: attempting bad execution at b6fd2000
 2608 17:14:59.108225  <1>[  229.104485] Unhandled prefetch abort: page domain fault (0x00b) at 0xb6fd2000
 2609 17:14:59.108318  <0>[  229.111905] Internal error: : b [#8] SMP ARM
 2610 17:14:59.151154  <4>[  229.116440] Modules linked in: fuse ip_tables x_tables snd_soc_hdmi_codec stm32_adc stm32_timer_trigger stm32_lptimer_trigger snd_soc_audio_graph_card snd_soc_simple_card_utils snd_soc_stm32_sai_sub snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore adv7511 brcmfmac stm_drm sha256_generic etnaviv sha256_arm gpu_sched hci_uart btbcm cfg80211 bluetooth brcmutil ecdh_generic ecc libaes snd_soc_stm32_sai stm32_adc_core
 2611 17:14:59.151316  <4>[  229.155490] CPU: 1 PID: 2058 Comm: cat Tainted: G      D W         5.10.220-cip49 #1
 2612 17:14:59.151413  <4>[  229.163516] Hardware name: STM32 (Device Tree Support)
 2613 17:14:59.154308  <4>[  229.168942] PC is at 0xb6fd2000
 2614 17:14:59.194241  <4>[  229.172350] LR is at lkdtm_EXEC_USERSPACE+0xc4/0xd4
 2615 17:14:59.194633  <4>[  229.177491] pc : [<b6fd2000>]    lr : [<c0c5bd90>]    psr: 60080013
 2616 17:14:59.194747  <4>[  229.184041] sp : c59e5e48  ip : 00000027  fp : c59e5e64
 2617 17:14:59.194835  <4>[  229.189544] r10: 0000000f  r9 : c1ad76d8  r8 : c15ec1e0
 2618 17:14:59.194919  <4>[  229.195048] r7 : c59e5f60  r6 : 0000000f  r5 : c5e2f000  r4 : b6fd2000
 2619 17:14:59.195000  <4>[  229.201861] r3 : 72779986  r2 : 72779986  r1 : ef7aa5e4  r0 : 0000002b
 2620 17:14:59.197781  <4>[  229.208675] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 2621 17:14:59.237393  <4>[  229.216100] Control: 10c5387d  Table: c5a3806a  DAC: 00000051
 2622 17:14:59.237818  <0>[  229.222132] Process cat (pid: 2058, stack limit = 0x5607d52a)
 2623 17:14:59.237922  <0>[  229.228153] Stack: (0xc59e5e48 to 0xc59e6000)
 2624 17:14:59.238005  <0>[  229.232789] 5e40:                   00000001 00000000 0000000f 00000024 c59e5e74 c59e5e68
 2625 17:14:59.238089  <0>[  229.241262] 5e60: c0c5aecc c0c5bcd8 c59e5e9c c59e5e78 c0c5b3cc c0c5aeac c0c5b2ac c5bed640
 2626 17:14:59.240991  <0>[  229.249735] 5e80: b6e97000 0000000f c3aa9540 c59e5f60 c59e5ec4 c59e5ea0 c07e42b0 c0c5b2b8
 2627 17:14:59.280924  <0>[  229.258208] 5ea0: 00000000 c5bed640 b6e97000 c290d000 c59e5f60 c07e424c c59e5f5c c59e5ec8
 2628 17:14:59.281275  <0>[  229.266680] 5ec0: c059c068 c07e4258 00000001 00000000 c059c624 c13e3a68 c059c624 c59e4000
 2629 17:14:59.281370  <0>[  229.275154] 5ee0: b6e97000 00020000 00000004 0000000f 0001fff1 c59e5ee0 00000001 b6e96000
 2630 17:14:59.281454  <0>[  229.283626] 5f00: c5bd9780 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 2631 17:14:59.284332  <0>[  229.292100] 5f20: 00000000 00000000 c13e3a68 72779986 c206c1e0 c5bed640 c5bed640 c59e4000
 2632 17:14:59.324274  <0>[  229.300573] 5f40: b6e97000 00000000 00000000 00000004 c59e5f94 c59e5f60 c059c624 c059bf68
 2633 17:14:59.324662  <0>[  229.309045] 5f60: 00000000 00000000 c59e5fac 72779986 0000000f 0000000f 7ff00000 00000004
 2634 17:14:59.324763  <0>[  229.317518] 5f80: c03002e4 c59e4000 c59e5fa4 c59e5f98 c059c6b4 c059c5bc 00000000 c59e5fa8
 2635 17:14:59.324847  <0>[  229.325990] 5fa0: c03000c0 c059c6a8 0000000f 0000000f 00000001 b6e97000 0000000f 00000001
 2636 17:14:59.324932  <0>[  229.334463] 5fc0: 0000000f 0000000f 7ff00000 00000004 00000001 b6e97000 00020000 0046fe38
 2637 17:14:59.367566  <0>[  229.342936] 5fe0: 00000004 beef27e8 b6f5d33b b6ed6616 60080030 00000001 00000000 00000000
 2638 17:14:59.367940  <0>[  229.351399] Backtrace: 
 2639 17:14:59.368053  <0>[  229.354124] [<c0c5bccc>] (lkdtm_EXEC_USERSPACE) from [<c0c5aecc>] (lkdtm_do_action+0x2c/0x4c)
 2640 17:14:59.368142  <0>[  229.362935]  r4:00000024
 2641 17:14:59.368225  <0>[  229.365737] [<c0c5aea0>] (lkdtm_do_action) from [<c0c5b3cc>] (direct_entry+0x120/0x18c)
 2642 17:14:59.368306  <0>[  229.374039] [<c0c5b2ac>] (direct_entry) from [<c07e42b0>] (full_proxy_write+0x64/0x94)
 2643 17:14:59.371029  <0>[  229.382247]  r9:c59e5f60 r8:c3aa9540 r7:0000000f r6:b6e97000 r5:c5bed640 r4:c0c5b2ac
 2644 17:14:59.411134  <0>[  229.390289] [<c07e424c>] (full_proxy_write) from [<c059c068>] (vfs_write+0x10c/0x54c)
 2645 17:14:59.411291  <0>[  229.398409]  r9:c07e424c r8:c59e5f60 r7:c290d000 r6:b6e97000 r5:c5bed640 r4:00000000
 2646 17:14:59.411379  <0>[  229.406446] [<c059bf5c>] (vfs_write) from [<c059c624>] (ksys_write+0x74/0xec)
 2647 17:14:59.411467  <0>[  229.413869]  r10:00000004 r9:00000000 r8:00000000 r7:b6e97000 r6:c59e4000 r5:c5bed640
 2648 17:14:59.411548  <0>[  229.421984]  r4:c5bed640
 2649 17:14:59.414517  <0>[  229.424791] [<c059c5b0>] (ksys_write) from [<c059c6b4>] (sys_write+0x18/0x1c)
 2650 17:14:59.454430  <0>[  229.432214]  r9:c59e4000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000000f r4:0000000f
 2651 17:14:59.454554  <0>[  229.440252] [<c059c69c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 2652 17:14:59.454638  <0>[  229.448102] Exception stack(0xc59e5fa8 to 0xc59e5ff0)
 2653 17:14:59.454738  <0>[  229.453438] 5fa0:                   0000000f 0000000f 00000001 b6e97000 0000000f 00000001
 2654 17:14:59.454823  <0>[  229.461911] 5fc0: 0000000f 0000000f 7ff00000 00000004 00000001 b6e97000 00020000 0046fe38
 2655 17:14:59.457806  <0>[  229.470379] 5fe0: 00000004 beef27e8 b6f5d33b b6ed6616
 2656 17:14:59.474877  <0>[  229.475719] Code: bad PC value
 2657 17:14:59.478241  <4>[  229.479034] ---[ end trace af413873b24c9d28 ]---
 2658 17:14:59.478356  # Segmentation fault
 2659 17:14:59.655894  # [  229.089307] lkdtm: Performing direct entry EXEC_USERSPACE
 2660 17:14:59.656283  # [  229.093582] lkdtm: attempting ok execution at c0c5bc3c
 2661 17:14:59.656421  # [  229.099395] lkdtm: attempting bad execution at b6fd2000
 2662 17:14:59.656552  # [  229.104485] Unhandled prefetch abort: page domain fault (0x00b) at 0xb6fd2000
 2663 17:14:59.656675  # [  229.111905] Internal error: : b [#8] SMP ARM
 2664 17:14:59.699392  # [  229.116440] Modules linked in: fuse ip_tables x_tables snd_soc_hdmi_codec stm32_adc stm32_timer_trigger stm32_lptimer_trigger snd_soc_audio_graph_card snd_soc_simple_card_utils snd_soc_stm32_sai_sub snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore adv7511 brcmfmac stm_drm sha256_generic etnaviv sha256_arm gpu_sched hci_uart btbcm cfg80211 bluetooth brcmutil ecdh_generic ecc libaes snd_soc_stm32_sai stm32_adc_core
 2665 17:14:59.699595  # [  229.155490] CPU: 1 PID: 2058 Comm: cat Tainted: G      D W         5.10.220-cip49 #1
 2666 17:14:59.699743  # [  229.163516] Hardware name: STM32 (Device Tree Support)
 2667 17:14:59.702657  # [  229.168942] PC is at 0xb6fd2000
 2668 17:14:59.742569  # [  229.172350] LR is at lkdtm_EXEC_USERSPACE+0xc4/0xd4
 2669 17:14:59.743017  # [  229.177491] pc : [<b6fd2000>]    lr : [<c0c5bd90>]    psr: 60080013
 2670 17:14:59.743146  # [  229.184041] sp : c59e5e48  ip : 00000027  fp : c59e5e64
 2671 17:14:59.743263  # [  229.189544] r10: 0000000f  r9 : c1ad76d8  r8 : c15ec1e0
 2672 17:14:59.743380  # [  229.195048] r7 : c59e5f60  r6 : 0000000f  r5 : c5e2f000  r4 : b6fd2000
 2673 17:14:59.743534  # [  229.201861] r3 : 72779986  r2 : 72779986  r1 : ef7aa5e4  r0 : 0000002b
 2674 17:14:59.746061  # [  229.208675] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 2675 17:14:59.785805  # [  229.216100] Control: 10c5387d  Table: c5a3806a  DAC: 00000051
 2676 17:14:59.786206  # [  229.222132] Process cat (pid: 2058, stack limit = 0x5607d52a)
 2677 17:14:59.786337  # [  229.228153] Stack: (0xc59e5e48 to 0xc59e6000)
 2678 17:14:59.786457  # [  229.232789] 5e40:                   00000001 00000000 0000000f 00000024 c59e5e74 c59e5e68
 2679 17:14:59.786577  # [  229.241262] 5e60: c0c5aecc c0c5bcd8 c59e5e9c c59e5e78 c0c5b3cc c0c5aeac c0c5b2ac c5bed640
 2680 17:14:59.786695  # [  229.249735] 5e80: b6e97000 0000000f c3aa9540 c59e5f60 c59e5ec4 c59e5ea0 c07e42b0 c0c5b2b8
 2681 17:14:59.829200  # [  229.258208] 5ea0: 00000000 c5bed640 b6e97000 c290d000 c59e5f60 c07e424c c59e5f5c c59e5ec8
 2682 17:14:59.829650  # [  229.266680] 5ec0: c059c068 c07e4258 00000001 00000000 c059c624 c13e3a68 c059c624 c59e4000
 2683 17:14:59.829787  # [  229.275154] 5ee0: b6e97000 00020000 00000004 0000000f 0001fff1 c59e5ee0 00000001 b6e96000
 2684 17:14:59.829910  # [  229.283626] 5f00: c5bd9780 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 2685 17:14:59.830032  # [  229.292100] 5f20: 00000000 00000000 c13e3a68 72779986 c206c1e0 c5bed640 c5bed640 c59e4000
 2686 17:14:59.872263  # [  229.300573] 5f40: b6e97000 00000000 00000000 00000004 c59e5f94 c59e5f60 c059c624 c059bf68
 2687 17:14:59.872691  # [  229.309045] 5f60: 00000000 00000000 c59e5fac 72779986 0000000f 0000000f 7ff00000 00000004
 2688 17:14:59.872823  # [  229.317518] 5f80: c03002e4 c59e4000 c59e5fa4 c59e5f98 c059c6b4 c059c5bc 00000000 c59e5fa8
 2689 17:14:59.872948  # [  229.325990] 5fa0: c03000c0 c059c6a8 0000000f 0000000f 00000001 b6e97000 0000000f 00000001
 2690 17:14:59.873070  # [  229.334463] 5fc0: 0000000f 0000000f 7ff00000 00000004 00000001 b6e97000 00020000 0046fe38
 2691 17:14:59.915845  # [  229.342936] 5fe0: 00000004 beef27e8 b6f5d33b b6ed6616 60080030 00000001 00000000 00000000
 2692 17:14:59.916072  # [  229.351399] Backtrace: 
 2693 17:14:59.916419  # [  229.354124] [<c0c5bccc>] (lkdtm_EXEC_USERSPACE) from [<c0c5aecc>] (lkdtm_do_action+0x2c/0x4c)
 2694 17:14:59.916548  # [  229.362935]  r4:00000024
 2695 17:14:59.916670  # [  229.365737] [<c0c5aea0>] (lkdtm_do_action) from [<c0c5b3cc>] (direct_entry+0x120/0x18c)
 2696 17:14:59.916791  # [  229.374039] [<c0c5b2ac>] (direct_entry) from [<c07e42b0>] (full_proxy_write+0x64/0x94)
 2697 17:14:59.916913  # [  229.382247]  r9:c59e5f60 r8:c3aa9540 r7:0000000f r6:b6e97000 r5:c5bed640 r4:c0c5b2ac
 2698 17:14:59.959171  # [  229.390289] [<c07e424c>] (full_proxy_write) from [<c059c068>] (vfs_write+0x10c/0x54c)
 2699 17:14:59.959587  # [  229.398409]  r9:c07e424c r8:c59e5f60 r7:c290d000 r6:b6e97000 r5:c5bed640 r4:00000000
 2700 17:14:59.959687  # [  229.406446] [<c059bf5c>] (vfs_write) from [<c059c624>] (ksys_write+0x74/0xec)
 2701 17:14:59.959771  # [  229.413869]  r10:00000004 r9:00000000 r8:00000000 r7:b6e97000 r6:c59e4000 r5:c5bed640
 2702 17:14:59.959854  # [  229.421984]  r4:c5bed640
 2703 17:14:59.959934  # [  229.424791] [<c059c5b0>] (ksys_write) from [<c059c6b4>] (sys_write+0x18/0x1c)
 2704 17:15:00.002489  # [  229.432214]  r9:c59e4000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000000f r4:0000000f
 2705 17:15:00.002860  # [  229.440252] [<c059c69c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 2706 17:15:00.003013  # [  229.448102] Exception stack(0xc59e5fa8 to 0xc59e5ff0)
 2707 17:15:00.003109  # [  229.453438] 5fa0:                   0000000f 0000000f 00000001 b6e97000 0000000f 00000001
 2708 17:15:00.003193  # [  229.461911] 5fc0: 0000000f 0000000f 7ff00000 00000004 00000001 b6e97000 00020000 0046fe38
 2709 17:15:00.003276  # [  229.470379] 5fe0: 00000004 beef27e8 b6f5d33b b6ed6616
 2710 17:15:00.006084  # [  229.475719] Code: bad PC value
 2711 17:15:00.028872  # [  229.479034] ---[ end trace af413873b24c9d28 ]---
 2712 17:15:00.029230  # EXEC_USERSPACE: missing 'call trace:': [FAIL]
 2713 17:15:00.029327  not ok 35 selftests: lkdtm: EXEC_USERSPACE.sh # exit=1
 2714 17:15:00.032183  # selftests: lkdtm: EXEC_NULL.sh
 2715 17:15:00.608792  <6>[  230.590415] lkdtm: Performing direct entry EXEC_NULL
 2716 17:15:00.609207  <6>[  230.594238] lkdtm: attempting ok execution at c0c5bc3c
 2717 17:15:00.609311  <6>[  230.599812] lkdtm: attempting bad execution at 00000000
 2718 17:15:00.609396  <1>[  230.605161] 8<--- cut here ---
 2719 17:15:00.609478  <1>[  230.608551] Unable to handle kernel NULL pointer dereference at virtual address 00000000
 2720 17:15:00.609558  <1>[  230.616900] pgd = 250e0f56
 2721 17:15:00.609636  <1>[  230.619940] [00000000] *pgd=00000000
 2722 17:15:00.612297  <0>[  230.623723] Internal error: Oops: 80000005 [#9] SMP ARM
 2723 17:15:00.652484  <4>[  230.629164] Modules linked in: fuse ip_tables x_tables snd_soc_hdmi_codec stm32_adc stm32_timer_trigger stm32_lptimer_trigger snd_soc_audio_graph_card snd_soc_simple_card_utils snd_soc_stm32_sai_sub snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore adv7511 brcmfmac stm_drm sha256_generic etnaviv sha256_arm gpu_sched hci_uart btbcm cfg80211 bluetooth brcmutil ecdh_generic ecc libaes snd_soc_stm32_sai stm32_adc_core
 2724 17:15:00.695418  <4>[  230.668211] CPU: 1 PID: 2130 Comm: cat Tainted: G      D W         5.10.220-cip49 #1
 2725 17:15:00.695782  <4>[  230.676236] Hardware name: STM32 (Device Tree Support)
 2726 17:15:00.695883  <4>[  230.681662] PC is at 0x0
 2727 17:15:00.695965  <4>[  230.684459] LR is at execute_location+0xa4/0xb4
 2728 17:15:00.696046  <4>[  230.689252] pc : [<00000000>]    lr : [<c13ce504>]    psr: 60080013
 2729 17:15:00.696125  <4>[  230.695803] sp : c5a3de38  ip : 00000027  fp : c5a3de54
 2730 17:15:00.696203  <4>[  230.701306] r10: 0000000a  r9 : c1ad76e8  r8 : c15ec1e0
 2731 17:15:00.696282  <4>[  230.706810] r7 : c5a3df60  r6 : 00000000  r5 : 00000000  r4 : c0c5bc3c
 2732 17:15:00.738697  <4>[  230.713624] r3 : 1accfdfb  r2 : 1accfdfb  r1 : ef7aa5e4  r0 : 0000002b
 2733 17:15:00.739050  <4>[  230.720439] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 2734 17:15:00.739160  <4>[  230.727863] Control: 10c5387d  Table: c51a406a  DAC: 00000051
 2735 17:15:00.739247  <0>[  230.733896] Process cat (pid: 2130, stack limit = 0x5818cfa9)
 2736 17:15:00.739329  <0>[  230.739917] Stack: (0xc5a3de38 to 0xc5a3e000)
 2737 17:15:00.739412  <0>[  230.744550] de20:                                                       00000025 c4f03000
 2738 17:15:00.742322  <0>[  230.753027] de40: 0000000a c5a3df60 c5a3de64 c5a3de58 c13ce710 c13ce46c c5a3de74 c5a3de68
 2739 17:15:00.782246  <0>[  230.761500] de60: c0c5aecc c13ce6fc c5a3de9c c5a3de78 c0c5b3cc c0c5aeac c0c5b2ac c4f52dc0
 2740 17:15:00.782382  <0>[  230.769972] de80: b6e18000 0000000a c3aa9540 c5a3df60 c5a3dec4 c5a3dea0 c07e42b0 c0c5b2b8
 2741 17:15:00.782470  <0>[  230.778443] dea0: 00000000 c4f52dc0 b6e18000 c290d000 c5a3df60 c07e424c c5a3df5c c5a3dec8
 2742 17:15:00.782555  <0>[  230.786914] dec0: c059c068 c07e4258 00000001 00000000 c059c624 c13e3a68 c059c624 c5a3c000
 2743 17:15:00.785612  <0>[  230.795385] dee0: b6e18000 00020000 00000004 0000000a 0001fff6 c5a3dee0 00000001 b6e17000
 2744 17:15:00.825603  <0>[  230.803856] df00: c4f0d640 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 2745 17:15:00.825755  <0>[  230.812328] df20: 00000000 00000000 c13e3a68 1accfdfb c206c1e0 c4f52dc0 c4f52dc0 c5a3c000
 2746 17:15:00.825843  <0>[  230.820800] df40: b6e18000 00000000 00000000 00000004 c5a3df94 c5a3df60 c059c624 c059bf68
 2747 17:15:00.825924  <0>[  230.829272] df60: 00000000 00000000 c5a3dfac 1accfdfb 0000000a 0000000a 7ff00000 00000004
 2748 17:15:00.828942  <0>[  230.837744] df80: c03002e4 c5a3c000 c5a3dfa4 c5a3df98 c059c6b4 c059c5bc 00000000 c5a3dfa8
 2749 17:15:00.868946  <0>[  230.846217] dfa0: c03000c0 c059c6a8 0000000a 0000000a 00000001 b6e18000 0000000a 00000001
 2750 17:15:00.869114  <0>[  230.854691] dfc0: 0000000a 0000000a 7ff00000 00000004 00000001 b6e18000 00020000 0045fe38
 2751 17:15:00.869202  <0>[  230.863164] dfe0: 00000004 bef797e8 b6ede33b b6e57616 60080030 00000001 00000000 00000000
 2752 17:15:00.869284  <0>[  230.871627] Backtrace: 
 2753 17:15:00.869365  <0>[  230.874352] [<c13ce460>] (execute_location) from [<c13ce710>] (lkdtm_EXEC_NULL+0x20/0x24)
 2754 17:15:00.872209  <0>[  230.882816]  r7:c5a3df60 r6:0000000a r5:c4f03000 r4:00000025
 2755 17:15:00.912025  <0>[  230.888762] [<c13ce6f0>] (lkdtm_EXEC_NULL) from [<c0c5aecc>] (lkdtm_do_action+0x2c/0x4c)
 2756 17:15:00.912441  <0>[  230.897143] [<c0c5aea0>] (lkdtm_do_action) from [<c0c5b3cc>] (direct_entry+0x120/0x18c)
 2757 17:15:00.912551  <0>[  230.905444] [<c0c5b2ac>] (direct_entry) from [<c07e42b0>] (full_proxy_write+0x64/0x94)
 2758 17:15:00.912637  <0>[  230.913650]  r9:c5a3df60 r8:c3aa9540 r7:0000000a r6:b6e18000 r5:c4f52dc0 r4:c0c5b2ac
 2759 17:15:00.912720  <0>[  230.921692] [<c07e424c>] (full_proxy_write) from [<c059c068>] (vfs_write+0x10c/0x54c)
 2760 17:15:00.955365  <0>[  230.929810]  r9:c07e424c r8:c5a3df60 r7:c290d000 r6:b6e18000 r5:c4f52dc0 r4:00000000
 2761 17:15:00.955725  <0>[  230.937849] [<c059bf5c>] (vfs_write) from [<c059c624>] (ksys_write+0x74/0xec)
 2762 17:15:00.955824  <0>[  230.945272]  r10:00000004 r9:00000000 r8:00000000 r7:b6e18000 r6:c5a3c000 r5:c4f52dc0
 2763 17:15:00.955908  <0>[  230.953386]  r4:c4f52dc0
 2764 17:15:00.955989  <0>[  230.956192] [<c059c5b0>] (ksys_write) from [<c059c6b4>] (sys_write+0x18/0x1c)
 2765 17:15:00.956070  <0>[  230.963615]  r9:c5a3c000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000000a r4:0000000a
 2766 17:15:01.012859  <0>[  230.971655] [<c059c69c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 2767 17:15:01.013359  <0>[  230.979505] Exception stack(0xc5a3dfa8 to 0xc5a3dff0)
 2768 17:15:01.013494  <0>[  230.984839] dfa0:                   0000000a 0000000a 00000001 b6e18000 0000000a 00000001
 2769 17:15:01.013618  <0>[  230.993315] dfc0: 0000000a 0000000a 7ff00000 00000004 00000001 b6e18000 00020000 0045fe38
 2770 17:15:01.013741  <0>[  231.001782] dfe0: 00000004 bef797e8 b6ede33b b6e57616
 2771 17:15:01.013862  <0>[  231.007123] Code: bad PC value
 2772 17:15:01.016304  <4>[  231.010521] ---[ end trace af413873b24c9d29 ]---
 2773 17:15:01.016461  # Segmentation fault
 2774 17:15:01.305890  # [  230.590415] lkdtm: Performing direct entry EXEC_NULL
 2775 17:15:01.306314  # [  230.594238] lkdtm: attempting ok execution at c0c5bc3c
 2776 17:15:01.306448  # [  230.599812] lkdtm: attempting bad execution at 00000000
 2777 17:15:01.306573  # [  230.605161] 8<--- cut here ---
 2778 17:15:01.306665  # [  230.608551] Unable to handle kernel NULL pointer dereference at virtual address 00000000
 2779 17:15:01.306785  # [  230.616900] pgd = 250e0f56
 2780 17:15:01.306874  # [  230.619940] [00000000] *pgd=00000000
 2781 17:15:01.309396  # [  230.623723] Internal error: Oops: 80000005 [#9] SMP ARM
 2782 17:15:01.349681  # [  230.629164] Modules linked in: fuse ip_tables x_tables snd_soc_hdmi_codec stm32_adc stm32_timer_trigger stm32_lptimer_trigger snd_soc_audio_graph_card snd_soc_simple_card_utils snd_soc_stm32_sai_sub snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore adv7511 brcmfmac stm_drm sha256_generic etnaviv sha256_arm gpu_sched hci_uart btbcm cfg80211 bluetooth brcmutil ecdh_generic ecc libaes snd_soc_stm32_sai stm32_adc_core
 2783 17:15:01.352852  # [  230.668211] CPU: 1 PID: 2130 Comm: cat Tainted: G      D W         5.10.220-cip49 #1
 2784 17:15:01.392523  # [  230.676236] Hardware name: STM32 (Device Tree Support)
 2785 17:15:01.392935  # [  230.681662] PC is at 0x0
 2786 17:15:01.393035  # [  230.684459] LR is at execute_location+0xa4/0xb4
 2787 17:15:01.393118  # [  230.689252] pc : [<00000000>]    lr : [<c13ce504>]    psr: 60080013
 2788 17:15:01.393203  # [  230.695803] sp : c5a3de38  ip : 00000027  fp : c5a3de54
 2789 17:15:01.393285  # [  230.701306] r10: 0000000a  r9 : c1ad76e8  r8 : c15ec1e0
 2790 17:15:01.393368  # [  230.706810] r7 : c5a3df60  r6 : 00000000  r5 : 00000000  r4 : c0c5bc3c
 2791 17:15:01.396055  # [  230.713624] r3 : 1accfdfb  r2 : 1accfdfb  r1 : ef7aa5e4  r0 : 0000002b
 2792 17:15:01.436104  # [  230.720439] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 2793 17:15:01.436251  # [  230.727863] Control: 10c5387d  Table: c51a406a  DAC: 00000051
 2794 17:15:01.436339  # [  230.733896] Process cat (pid: 2130, stack limit = 0x5818cfa9)
 2795 17:15:01.436420  # [  230.739917] Stack: (0xc5a3de38 to 0xc5a3e000)
 2796 17:15:01.436505  # [  230.744550] de20:                                                       00000025 c4f03000
 2797 17:15:01.439366  # [  230.753027] de40: 0000000a c5a3df60 c5a3de64 c5a3de58 c13ce710 c13ce46c c5a3de74 c5a3de68
 2798 17:15:01.479102  # [  230.761500] de60: c0c5aecc c13ce6fc c5a3de9c c5a3de78 c0c5b3cc c0c5aeac c0c5b2ac c4f52dc0
 2799 17:15:01.479499  # [  230.769972] de80: b6e18000 0000000a c3aa9540 c5a3df60 c5a3dec4 c5a3dea0 c07e42b0 c0c5b2b8
 2800 17:15:01.479602  # [  230.778443] dea0: 00000000 c4f52dc0 b6e18000 c290d000 c5a3df60 c07e424c c5a3df5c c5a3dec8
 2801 17:15:01.479687  # [  230.786914] dec0: c059c068 c07e4258 00000001 00000000 c059c624 c13e3a68 c059c624 c5a3c000
 2802 17:15:01.479771  # [  230.795385] dee0: b6e18000 00020000 00000004 0000000a 0001fff6 c5a3dee0 00000001 b6e17000
 2803 17:15:01.522509  # [  230.803856] df00: c4f0d640 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 2804 17:15:01.522863  # [  230.812328] df20: 00000000 00000000 c13e3a68 1accfdfb c206c1e0 c4f52dc0 c4f52dc0 c5a3c000
 2805 17:15:01.522962  # [  230.820800] df40: b6e18000 00000000 00000000 00000004 c5a3df94 c5a3df60 c059c624 c059bf68
 2806 17:15:01.523046  # [  230.829272] df60: 00000000 00000000 c5a3dfac 1accfdfb 0000000a 0000000a 7ff00000 00000004
 2807 17:15:01.523130  # [  230.837744] df80: c03002e4 c5a3c000 c5a3dfa4 c5a3df98 c059c6b4 c059c5bc 00000000 c5a3dfa8
 2808 17:15:01.565831  # [  230.846217] dfa0: c03000c0 c059c6a8 0000000a 0000000a 00000001 b6e18000 0000000a 00000001
 2809 17:15:01.566238  # [  230.854691] dfc0: 0000000a 0000000a 7ff00000 00000004 00000001 b6e18000 00020000 0045fe38
 2810 17:15:01.566350  # [  230.863164] dfe0: 00000004 bef797e8 b6ede33b b6e57616 60080030 00000001 00000000 00000000
 2811 17:15:01.566435  # [  230.871627] Backtrace: 
 2812 17:15:01.566558  # [  230.874352] [<c13ce460>] (execute_location) from [<c13ce710>] (lkdtm_EXEC_NULL+0x20/0x24)
 2813 17:15:01.566652  # [  230.882816]  r7:c5a3df60 r6:0000000a r5:c4f03000 r4:00000025
 2814 17:15:01.609195  # [  230.888762] [<c13ce6f0>] (lkdtm_EXEC_NULL) from [<c0c5aecc>] (lkdtm_do_action+0x2c/0x4c)
 2815 17:15:01.609819  # [  230.897143] [<c0c5aea0>] (lkdtm_do_action) from [<c0c5b3cc>] (direct_entry+0x120/0x18c)
 2816 17:15:01.609958  # [  230.905444] [<c0c5b2ac>] (direct_entry) from [<c07e42b0>] (full_proxy_write+0x64/0x94)
 2817 17:15:01.610052  # [  230.913650]  r9:c5a3df60 r8:c3aa9540 r7:0000000a r6:b6e18000 r5:c4f52dc0 r4:c0c5b2ac
 2818 17:15:01.610171  # [  230.921692] [<c07e424c>] (full_proxy_write) from [<c059c068>] (vfs_write+0x10c/0x54c)
 2819 17:15:01.612553  # [  230.929810]  r9:c07e424c r8:c5a3df60 r7:c290d000 r6:b6e18000 r5:c4f52dc0 r4:00000000
 2820 17:15:01.652506  # [  230.937849] [<c059bf5c>] (vfs_write) from [<c059c624>] (ksys_write+0x74/0xec)
 2821 17:15:01.652941  # [  230.945272]  r10:00000004 r9:00000000 r8:00000000 r7:b6e18000 r6:c5a3c000 r5:c4f52dc0
 2822 17:15:01.653034  # [  230.953386]  r4:c4f52dc0
 2823 17:15:01.653115  # [  230.956192] [<c059c5b0>] (ksys_write) from [<c059c6b4>] (sys_write+0x18/0x1c)
 2824 17:15:01.653195  # [  230.963615]  r9:c5a3c000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000000a r4:0000000a
 2825 17:15:01.655834  # [  230.971655] [<c059c69c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 2826 17:15:01.705844  # [  230.979505] Exception stack(0xc5a3dfa8 to 0xc5a3dff0)
 2827 17:15:01.706248  # [  230.984839] dfa0:                   0000000a 0000000a 00000001 b6e18000 0000000a 00000001
 2828 17:15:01.706346  # [  230.993315] dfc0: 0000000a 0000000a 7ff00000 00000004 00000001 b6e18000 00020000 0045fe38
 2829 17:15:01.706429  # [  231.001782] dfe0: 00000004 bef797e8 b6ede33b b6e57616
 2830 17:15:01.706508  # [  231.007123] Code: bad PC value
 2831 17:15:01.706587  # [  231.010521] ---[ end trace af413873b24c9d29 ]---
 2832 17:15:01.706666  # EXEC_NULL: missing 'call trace:': [FAIL]
 2833 17:15:01.709237  not ok 36 selftests: lkdtm: EXEC_NULL.sh # exit=1
 2834 17:15:01.709381  # selftests: lkdtm: ACCESS_USERSPACE.sh
 2835 17:15:02.021141  <6>[  232.001895] lkdtm: Performing direct entry ACCESS_USERSPACE
 2836 17:15:02.021764  <6>[  232.006390] lkdtm: attempting bad read at b6fab000
 2837 17:15:02.021898  <1>[  232.011545] 8<--- cut here ---
 2838 17:15:02.022028  <1>[  232.014705] Unhandled fault: page domain fault (0x01b) at 0xb6fab000
 2839 17:15:02.022149  <1>[  232.021353] pgd = e6491893
 2840 17:15:02.022270  <1>[  232.024315] [b6fab000] *pgd=f8e93835
 2841 17:15:02.022391  <0>[  232.028168] Internal error: : 1b [#10] SMP ARM
 2842 17:15:02.064731  <4>[  232.032876] Modules linked in: fuse ip_tables x_tables snd_soc_hdmi_codec stm32_adc stm32_timer_trigger stm32_lptimer_trigger snd_soc_audio_graph_card snd_soc_simple_card_utils snd_soc_stm32_sai_sub snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore adv7511 brcmfmac stm_drm sha256_generic etnaviv sha256_arm gpu_sched hci_uart btbcm cfg80211 bluetooth brcmutil ecdh_generic ecc libaes snd_soc_stm32_sai stm32_adc_core
 2843 17:15:02.064963  <4>[  232.071936] CPU: 0 PID: 2207 Comm: cat Tainted: G      D W         5.10.220-cip49 #1
 2844 17:15:02.067835  <4>[  232.079962] Hardware name: STM32 (Device Tree Support)
 2845 17:15:02.107735  <4>[  232.085397] PC is at lkdtm_ACCESS_USERSPACE+0x114/0x16c
 2846 17:15:02.108319  <4>[  232.090890] LR is at __irq_work_queue_local+0x40/0x74
 2847 17:15:02.108457  <4>[  232.096213] pc : [<c0c5beb4>]    lr : [<c049e13c>]    psr: 60080013
 2848 17:15:02.108580  <4>[  232.102765] sp : c5fede38  ip : c5fedd40  fp : c5fede64
 2849 17:15:02.108703  <4>[  232.108268] r10: 00000011  r9 : c1ad76f4  r8 : c15ec1e0
 2850 17:15:02.108879  <4>[  232.113771] r7 : c5fedf60  r6 : 00000051  r5 : c5fec000  r4 : b6fab000
 2851 17:15:02.111072  <4>[  232.120582] r3 : bf33f1e7  r2 : bf33f1e7  r1 : ef7955e0  r0 : 00000026
 2852 17:15:02.151030  <4>[  232.127396] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 2853 17:15:02.151372  <4>[  232.134818] Control: 10c5387d  Table: c500c06a  DAC: 00000051
 2854 17:15:02.151478  <0>[  232.140846] Process cat (pid: 2207, stack limit = 0x8cc6720f)
 2855 17:15:02.151566  <0>[  232.146869] Stack: (0xc5fede38 to 0xc5fee000)
 2856 17:15:02.151648  <0>[  232.151501] de20:                                                       00000022 00000000
 2857 17:15:02.151730  <0>[  232.159976] de40: 00000000 bf33f1e7 c5fede6c 00000026 c5f7b000 00000011 c5fede74 c5fede68
 2858 17:15:02.194473  <0>[  232.168449] de60: c0c5aecc c0c5bdac c5fede9c c5fede78 c0c5b3cc c0c5aeac c0c5b2ac c5ecb780
 2859 17:15:02.195006  <0>[  232.176921] de80: b6e70000 00000011 c3aa9540 c5fedf60 c5fedec4 c5fedea0 c07e42b0 c0c5b2b8
 2860 17:15:02.195140  <0>[  232.185393] dea0: 00000000 c5ecb780 b6e70000 c290d000 c5fedf60 c07e424c c5fedf5c c5fedec8
 2861 17:15:02.195265  <0>[  232.193866] dec0: c059c068 c07e4258 00000001 00000000 c059c624 c13e3a68 c059c624 c5fec000
 2862 17:15:02.195383  <0>[  232.202340] dee0: b6e70000 00020000 00000004 00000011 0001ffef c5fedee0 00000001 b6e6f000
 2863 17:15:02.237723  <0>[  232.210813] df00: c5ecb8c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 2864 17:15:02.238177  <0>[  232.219287] df20: 00000000 00000000 c13e3a68 bf33f1e7 c206c1e0 c5ecb780 c5ecb780 c5fec000
 2865 17:15:02.238286  <0>[  232.227759] df40: b6e70000 00000000 00000000 00000004 c5fedf94 c5fedf60 c059c624 c059bf68
 2866 17:15:02.238378  <0>[  232.236232] df60: 00000000 00000000 c5fedfac bf33f1e7 00000011 00000011 7ff00000 00000004
 2867 17:15:02.238459  <0>[  232.244705] df80: c03002e4 c5fec000 c5fedfa4 c5fedf98 c059c6b4 c059c5bc 00000000 c5fedfa8
 2868 17:15:02.281059  <0>[  232.253178] dfa0: c03000c0 c059c6a8 00000011 00000011 00000001 b6e70000 00000011 00000001
 2869 17:15:02.281595  <0>[  232.261650] dfc0: 00000011 00000011 7ff00000 00000004 00000001 b6e70000 00020000 0047fe38
 2870 17:15:02.281729  <0>[  232.270123] dfe0: 00000004 bec707e8 b6f3633b b6eaf616 60080030 00000001 00000000 00000000
 2871 17:15:02.281852  <0>[  232.278586] Backtrace: 
 2872 17:15:02.281972  <0>[  232.281312] [<c0c5bda0>] (lkdtm_ACCESS_USERSPACE) from [<c0c5aecc>] (lkdtm_do_action+0x2c/0x4c)
 2873 17:15:02.282095  <0>[  232.290301]  r6:00000011 r5:c5f7b000 r4:00000026
 2874 17:15:02.284449  <0>[  232.295196] [<c0c5aea0>] (lkdtm_do_action) from [<c0c5b3cc>] (direct_entry+0x120/0x18c)
 2875 17:15:02.324635  <0>[  232.303497] [<c0c5b2ac>] (direct_entry) from [<c07e42b0>] (full_proxy_write+0x64/0x94)
 2876 17:15:02.324783  <0>[  232.311704]  r9:c5fedf60 r8:c3aa9540 r7:00000011 r6:b6e70000 r5:c5ecb780 r4:c0c5b2ac
 2877 17:15:02.324871  <0>[  232.319745] [<c07e424c>] (full_proxy_write) from [<c059c068>] (vfs_write+0x10c/0x54c)
 2878 17:15:02.324953  <0>[  232.327864]  r9:c07e424c r8:c5fedf60 r7:c290d000 r6:b6e70000 r5:c5ecb780 r4:00000000
 2879 17:15:02.325034  <0>[  232.335903] [<c059bf5c>] (vfs_write) from [<c059c624>] (ksys_write+0x74/0xec)
 2880 17:15:02.367864  <0>[  232.343327]  r10:00000004 r9:00000000 r8:00000000 r7:b6e70000 r6:c5fec000 r5:c5ecb780
 2881 17:15:02.368249  <0>[  232.351442]  r4:c5ecb780
 2882 17:15:02.368357  <0>[  232.354248] [<c059c5b0>] (ksys_write) from [<c059c6b4>] (sys_write+0x18/0x1c)
 2883 17:15:02.368444  <0>[  232.361673]  r9:c5fec000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000011 r4:00000011
 2884 17:15:02.368528  <0>[  232.369713] [<c059c69c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 2885 17:15:02.368611  <0>[  232.377563] Exception stack(0xc5fedfa8 to 0xc5fedff0)
 2886 17:15:02.415731  <0>[  232.382898] dfa0:                   00000011 00000011 00000001 b6e70000 00000011 00000001
 2887 17:15:02.416110  <0>[  232.391372] dfc0: 00000011 00000011 7ff00000 00000004 00000001 b6e70000 00020000 0047fe38
 2888 17:15:02.416252  <0>[  232.399839] dfe0: 00000004 bec707e8 b6f3633b b6eaf616
 2889 17:15:02.416379  <0>[  232.405172] Code: e1a01004 e3080618 e34c01ad eb1d9dda (e5943000) 
 2890 17:15:02.418964  <4>[  232.411552] ---[ end trace af413873b24c9d2a ]---
 2891 17:15:02.419115  # Segmentation fault
 2892 17:15:02.733559  # [  232.001895] lkdtm: Performing direct entry ACCESS_USERSPACE
 2893 17:15:02.733833  # [  232.006390] lkdtm: attempting bad read at b6fab000
 2894 17:15:02.733962  # [  232.011545] 8<--- cut here ---
 2895 17:15:02.734084  # [  232.014705] Unhandled fault: page domain fault (0x01b) at 0xb6fab000
 2896 17:15:02.734206  # [  232.021353] pgd = e6491893
 2897 17:15:02.734329  # [  232.024315] [b6fab000] *pgd=f8e93835
 2898 17:15:02.734450  # [  232.028168] Internal error: : 1b [#10] SMP ARM
 2899 17:15:02.776763  # [  232.032876] Modules linked in: fuse ip_tables x_tables snd_soc_hdmi_codec stm32_adc stm32_timer_trigger stm32_lptimer_trigger snd_soc_audio_graph_card snd_soc_simple_card_utils snd_soc_stm32_sai_sub snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore adv7511 brcmfmac stm_drm sha256_generic etnaviv sha256_arm gpu_sched hci_uart btbcm cfg80211 bluetooth brcmutil ecdh_generic ecc libaes snd_soc_stm32_sai stm32_adc_core
 2900 17:15:02.779627  # [  232.071936] CPU: 0 PID: 2207 Comm: cat Tainted: G      D W         5.10.220-cip49 #1
 2901 17:15:02.779824  # [  232.079962] Hardware name: STM32 (Device Tree Support)
 2902 17:15:02.819855  # [  232.085397] PC is at lkdtm_ACCESS_USERSPACE+0x114/0x16c
 2903 17:15:02.820247  # [  232.090890] LR is at __irq_work_queue_local+0x40/0x74
 2904 17:15:02.820339  # [  232.096213] pc : [<c0c5beb4>]    lr : [<c049e13c>]    psr: 60080013
 2905 17:15:02.820421  # [  232.102765] sp : c5fede38  ip : c5fedd40  fp : c5fede64
 2906 17:15:02.820500  # [  232.108268] r10: 00000011  r9 : c1ad76f4  r8 : c15ec1e0
 2907 17:15:02.820578  # [  232.113771] r7 : c5fedf60  r6 : 00000051  r5 : c5fec000  r4 : b6fab000
 2908 17:15:02.820657  # [  232.120582] r3 : bf33f1e7  r2 : bf33f1e7  r1 : ef7955e0  r0 : 00000026
 2909 17:15:02.863125  # [  232.127396] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 2910 17:15:02.863497  # [  232.134818] Control: 10c5387d  Table: c500c06a  DAC: 00000051
 2911 17:15:02.863591  # [  232.140846] Process cat (pid: 2207, stack limit = 0x8cc6720f)
 2912 17:15:02.863673  # [  232.146869] Stack: (0xc5fede38 to 0xc5fee000)
 2913 17:15:02.863754  # [  232.151501] de20:                                                       00000022 00000000
 2914 17:15:02.863835  # [  232.159976] de40: 00000000 bf33f1e7 c5fede6c 00000026 c5f7b000 00000011 c5fede74 c5fede68
 2915 17:15:02.906479  # [  232.168449] de60: c0c5aecc c0c5bdac c5fede9c c5fede78 c0c5b3cc c0c5aeac c0c5b2ac c5ecb780
 2916 17:15:02.906868  # [  232.176921] de80: b6e70000 00000011 c3aa9540 c5fedf60 c5fedec4 c5fedea0 c07e42b0 c0c5b2b8
 2917 17:15:02.906962  # [  232.185393] dea0: 00000000 c5ecb780 b6e70000 c290d000 c5fedf60 c07e424c c5fedf5c c5fedec8
 2918 17:15:02.907044  # [  232.193866] dec0: c059c068 c07e4258 00000001 00000000 c059c624 c13e3a68 c059c624 c5fec000
 2919 17:15:02.907124  # [  232.202340] dee0: b6e70000 00020000 00000004 00000011 0001ffef c5fedee0 00000001 b6e6f000
 2920 17:15:02.909594  # [  232.210813] df00: c5ecb8c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 2921 17:15:02.949995  # [  232.219287] df20: 00000000 00000000 c13e3a68 bf33f1e7 c206c1e0 c5ecb780 c5ecb780 c5fec000
 2922 17:15:02.950147  # [  232.227759] df40: b6e70000 00000000 00000000 00000004 c5fedf94 c5fedf60 c059c624 c059bf68
 2923 17:15:02.950234  # [  232.236232] df60: 00000000 00000000 c5fedfac bf33f1e7 00000011 00000011 7ff00000 00000004
 2924 17:15:02.950315  # [  232.244705] df80: c03002e4 c5fec000 c5fedfa4 c5fedf98 c059c6b4 c059c5bc 00000000 c5fedfa8
 2925 17:15:02.952951  # [  232.253178] dfa0: c03000c0 c059c6a8 00000011 00000011 00000001 b6e70000 00000011 00000001
 2926 17:15:02.993356  # [  232.261650] dfc0: 00000011 00000011 7ff00000 00000004 00000001 b6e70000 00020000 0047fe38
 2927 17:15:02.993518  # [  232.270123] dfe0: 00000004 bec707e8 b6f3633b b6eaf616 60080030 00000001 00000000 00000000
 2928 17:15:02.993607  # [  232.278586] Backtrace: 
 2929 17:15:02.993688  # [  232.281312] [<c0c5bda0>] (lkdtm_ACCESS_USERSPACE) from [<c0c5aecc>] (lkdtm_do_action+0x2c/0x4c)
 2930 17:15:02.993771  # [  232.290301]  r6:00000011 r5:c5f7b000 r4:00000026
 2931 17:15:02.996311  # [  232.295196] [<c0c5aea0>] (lkdtm_do_action) from [<c0c5b3cc>] (direct_entry+0x120/0x18c)
 2932 17:15:03.036454  # [  232.303497] [<c0c5b2ac>] (direct_entry) from [<c07e42b0>] (full_proxy_write+0x64/0x94)
 2933 17:15:03.036901  # [  232.311704]  r9:c5fedf60 r8:c3aa9540 r7:00000011 r6:b6e70000 r5:c5ecb780 r4:c0c5b2ac
 2934 17:15:03.037033  # [  232.319745] [<c07e424c>] (full_proxy_write) from [<c059c068>] (vfs_write+0x10c/0x54c)
 2935 17:15:03.037157  # [  232.327864]  r9:c07e424c r8:c5fedf60 r7:c290d000 r6:b6e70000 r5:c5ecb780 r4:00000000
 2936 17:15:03.037278  # [  232.335903] [<c059bf5c>] (vfs_write) from [<c059c624>] (ksys_write+0x74/0xec)
 2937 17:15:03.079757  # [  232.343327]  r10:00000004 r9:00000000 r8:00000000 r7:b6e70000 r6:c5fec000 r5:c5ecb780
 2938 17:15:03.079950  # [  232.351442]  r4:c5ecb780
 2939 17:15:03.080263  # [  232.354248] [<c059c5b0>] (ksys_write) from [<c059c6b4>] (sys_write+0x18/0x1c)
 2940 17:15:03.080371  # [  232.361673]  r9:c5fec000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000011 r4:00000011
 2941 17:15:03.080459  # [  232.369713] [<c059c69c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 2942 17:15:03.080544  # [  232.377563] Exception stack(0xc5fedfa8 to 0xc5fedff0)
 2943 17:15:03.082900  # [  232.382898] dfa0:                   00000011 00000011 00000001 b6e70000 00000011 00000001
 2944 17:15:03.127408  # [  232.391372] dfc0: 00000011 00000011 7ff00000 00000004 00000001 b6e70000 00020000 0047fe38
 2945 17:15:03.127809  # [  232.399839] dfe0: 00000004 bec707e8 b6f3633b b6eaf616
 2946 17:15:03.127907  # [  232.405172] Code: e1a01004 e3080618 e34c01ad eb1d9dda (e5943000) 
 2947 17:15:03.127993  # [  232.411552] ---[ end trace af413873b24c9d2a ]---
 2948 17:15:03.128075  # ACCESS_USERSPACE: missing 'call trace:': [FAIL]
 2949 17:15:03.128172  not ok 37 selftests: lkdtm: ACCESS_USERSPACE.sh # exit=1
 2950 17:15:03.130543  # selftests: lkdtm: ACCESS_NULL.sh
 2951 17:15:03.341051  <6>[  233.322990] lkdtm: Performing direct entry ACCESS_NULL
 2952 17:15:03.341474  <6>[  233.326987] lkdtm: attempting bad read at 00000000
 2953 17:15:03.341581  <1>[  233.332283] 8<--- cut here ---
 2954 17:15:03.341664  <1>[  233.335364] Unable to handle kernel NULL pointer dereference at virtual address 00000000
 2955 17:15:03.341745  <1>[  233.343972] pgd = f164c460
 2956 17:15:03.341825  <1>[  233.346770] [00000000] *pgd=00000000
 2957 17:15:03.341904  <0>[  233.350714] Internal error: Oops: 5 [#11] SMP ARM
 2958 17:15:03.384780  <4>[  233.355543] Modules linked in: fuse ip_tables x_tables snd_soc_hdmi_codec stm32_adc stm32_timer_trigger stm32_lptimer_trigger snd_soc_audio_graph_card snd_soc_simple_card_utils snd_soc_stm32_sai_sub snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore adv7511 brcmfmac stm_drm sha256_generic etnaviv sha256_arm gpu_sched hci_uart btbcm cfg80211 bluetooth brcmutil ecdh_generic ecc libaes snd_soc_stm32_sai stm32_adc_core
 2959 17:15:03.384934  <4>[  233.394596] CPU: 1 PID: 2283 Comm: cat Tainted: G      D W         5.10.220-cip49 #1
 2960 17:15:03.387808  <4>[  233.402619] Hardware name: STM32 (Device Tree Support)
 2961 17:15:03.427940  <4>[  233.408055] PC is at lkdtm_ACCESS_NULL+0x28/0x68
 2962 17:15:03.428340  <4>[  233.412935] LR is at __irq_work_queue_local+0x40/0x74
 2963 17:15:03.428449  <4>[  233.418257] pc : [<c13ce73c>]    lr : [<c049e13c>]    psr: 60080013
 2964 17:15:03.428537  <4>[  233.424809] sp : c513be50  ip : c513bd58  fp : c513be64
 2965 17:15:03.428619  <4>[  233.430312] r10: 0000000c  r9 : c1ad7708  r8 : c15ec1e0
 2966 17:15:03.428699  <4>[  233.435816] r7 : c513bf60  r6 : 0000000c  r5 : c5ec5000  r4 : 00000000
 2967 17:15:03.431228  <4>[  233.442630] r3 : f8f13c00  r2 : f8f13c00  r1 : ef7aa5e0  r0 : 00000026
 2968 17:15:03.471023  <4>[  233.449445] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 2969 17:15:03.471415  <4>[  233.456868] Control: 10c5387d  Table: c5de806a  DAC: 00000051
 2970 17:15:03.471525  <0>[  233.462901] Process cat (pid: 2283, stack limit = 0x0c851eaf)
 2971 17:15:03.471612  <0>[  233.468924] Stack: (0xc513be50 to 0xc513c000)
 2972 17:15:03.471693  <0>[  233.473558] be40:                                     00000027 c5ec5000 c513be74 c513be68
 2973 17:15:03.471775  <0>[  233.482035] be60: c0c5aecc c13ce720 c513be9c c513be78 c0c5b3cc c0c5aeac c0c5b2ac c5c80000
 2974 17:15:03.514238  <0>[  233.490509] be80: b6da8000 0000000c c3aa9540 c513bf60 c513bec4 c513bea0 c07e42b0 c0c5b2b8
 2975 17:15:03.514654  <0>[  233.498981] bea0: 00000000 c5c80000 b6da8000 c290d000 c513bf60 c07e424c c513bf5c c513bec8
 2976 17:15:03.514751  <0>[  233.507455] bec0: c059c068 c07e4258 00000001 00000000 c059c624 c13e3a68 c059c624 c513a000
 2977 17:15:03.514833  <0>[  233.515928] bee0: b6da8000 00020000 00000004 0000000c 0001fff4 c513bee0 00000001 b6da7000
 2978 17:15:03.514915  <0>[  233.524402] bf00: c5ad6b40 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 2979 17:15:03.557808  <0>[  233.532876] bf20: 00000000 00000000 c13e3a68 f8f13c00 c206c1e0 c5c80000 c5c80000 c513a000
 2980 17:15:03.558184  <0>[  233.541350] bf40: b6da8000 00000000 00000000 00000004 c513bf94 c513bf60 c059c624 c059bf68
 2981 17:15:03.558281  <0>[  233.549824] bf60: 00000000 00000000 c513bfac f8f13c00 0000000c 0000000c 7ff00000 00000004
 2982 17:15:03.558367  <0>[  233.558297] bf80: c03002e4 c513a000 c513bfa4 c513bf98 c059c6b4 c059c5bc 00000000 c513bfa8
 2983 17:15:03.558451  <0>[  233.566770] bfa0: c03000c0 c059c6a8 0000000c 0000000c 00000001 b6da8000 0000000c 00000001
 2984 17:15:03.601245  <0>[  233.575243] bfc0: 0000000c 0000000c 7ff00000 00000004 00000001 b6da8000 00020000 004bfe38
 2985 17:15:03.601638  <0>[  233.583716] bfe0: 00000004 bec7f7e8 b6e6e33b b6de7616 60080030 00000001 00000000 00000000
 2986 17:15:03.601750  <0>[  233.592178] Backtrace: 
 2987 17:15:03.601835  <0>[  233.594906] [<c13ce714>] (lkdtm_ACCESS_NULL) from [<c0c5aecc>] (lkdtm_do_action+0x2c/0x4c)
 2988 17:15:03.601918  <0>[  233.603454]  r5:c5ec5000 r4:00000027
 2989 17:15:03.601998  <0>[  233.607303] [<c0c5aea0>] (lkdtm_do_action) from [<c0c5b3cc>] (direct_entry+0x120/0x18c)
 2990 17:15:03.604893  <0>[  233.615606] [<c0c5b2ac>] (direct_entry) from [<c07e42b0>] (full_proxy_write+0x64/0x94)
 2991 17:15:03.644569  <0>[  233.623812]  r9:c513bf60 r8:c3aa9540 r7:0000000c r6:b6da8000 r5:c5c80000 r4:c0c5b2ac
 2992 17:15:03.644744  <0>[  233.631856] [<c07e424c>] (full_proxy_write) from [<c059c068>] (vfs_write+0x10c/0x54c)
 2993 17:15:03.644833  <0>[  233.639973]  r9:c07e424c r8:c513bf60 r7:c290d000 r6:b6da8000 r5:c5c80000 r4:00000000
 2994 17:15:03.644915  <0>[  233.648012] [<c059bf5c>] (vfs_write) from [<c059c624>] (ksys_write+0x74/0xec)
 2995 17:15:03.644995  <0>[  233.655435]  r10:00000004 r9:00000000 r8:00000000 r7:b6da8000 r6:c513a000 r5:c5c80000
 2996 17:15:03.647659  <0>[  233.663549]  r4:c5c80000
 2997 17:15:03.687912  <0>[  233.666355] [<c059c5b0>] (ksys_write) from [<c059c6b4>] (sys_write+0x18/0x1c)
 2998 17:15:03.688339  <0>[  233.673778]  r9:c513a000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000000c r4:0000000c
 2999 17:15:03.688438  <0>[  233.681817] [<c059c69c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 3000 17:15:03.688520  <0>[  233.689667] Exception stack(0xc513bfa8 to 0xc513bff0)
 3001 17:15:03.688601  <0>[  233.695001] bfa0:                   0000000c 0000000c 00000001 b6da8000 0000000c 00000001
 3002 17:15:03.719475  <0>[  233.703477] bfc0: 0000000c 0000000c 7ff00000 00000004 00000001 b6da8000 00020000 004bfe38
 3003 17:15:03.719921  <0>[  233.711944] bfe0: 00000004 bec7f7e8 b6e6e33b b6de7616
 3004 17:15:03.720026  <0>[  233.717276] Code: e3080618 e34c01ad e1a01004 ebffd3b8 (e5945000) 
 3005 17:15:03.722568  <4>[  233.723757] ---[ end trace af413873b24c9d2b ]---
 3006 17:15:03.722716  # Segmentation fault
 3007 17:15:03.923251  # [  233.322990] lkdtm: Performing direct entry ACCESS_NULL
 3008 17:15:03.923692  # [  233.326987] lkdtm: attempting bad read at 00000000
 3009 17:15:03.923811  # [  233.332283] 8<--- cut here ---
 3010 17:15:03.923892  # [  233.335364] Unable to handle kernel NULL pointer dereference at virtual address 00000000
 3011 17:15:03.923974  # [  233.343972] pgd = f164c460
 3012 17:15:03.924053  # [  233.346770] [00000000] *pgd=00000000
 3013 17:15:03.924131  # [  233.350714] Internal error: Oops: 5 [#11] SMP ARM
 3014 17:15:03.966680  # [  233.355543] Modules linked in: fuse ip_tables x_tables snd_soc_hdmi_codec stm32_adc stm32_timer_trigger stm32_lptimer_trigger snd_soc_audio_graph_card snd_soc_simple_card_utils snd_soc_stm32_sai_sub snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore adv7511 brcmfmac stm_drm sha256_generic etnaviv sha256_arm gpu_sched hci_uart btbcm cfg80211 bluetooth brcmutil ecdh_generic ecc libaes snd_soc_stm32_sai stm32_adc_core
 3015 17:15:03.966867  # [  233.394596] CPU: 1 PID: 2283 Comm: cat Tainted: G      D W         5.10.220-cip49 #1
 3016 17:15:03.969667  # [  233.402619] Hardware name: STM32 (Device Tree Support)
 3017 17:15:04.010087  # [  233.408055] PC is at lkdtm_ACCESS_NULL+0x28/0x68
 3018 17:15:04.010495  # [  233.412935] LR is at __irq_work_queue_local+0x40/0x74
 3019 17:15:04.010593  # [  233.418257] pc : [<c13ce73c>]    lr : [<c049e13c>]    psr: 60080013
 3020 17:15:04.010677  # [  233.424809] sp : c513be50  ip : c513bd58  fp : c513be64
 3021 17:15:04.010760  # [  233.430312] r10: 0000000c  r9 : c1ad7708  r8 : c15ec1e0
 3022 17:15:04.010843  # [  233.435816] r7 : c513bf60  r6 : 0000000c  r5 : c5ec5000  r4 : 00000000
 3023 17:15:04.013401  # [  233.442630] r3 : f8f13c00  r2 : f8f13c00  r1 : ef7aa5e0  r0 : 00000026
 3024 17:15:04.053569  # [  233.449445] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 3025 17:15:04.053951  # [  233.456868] Control: 10c5387d  Table: c5de806a  DAC: 00000051
 3026 17:15:04.054055  # [  233.462901] Process cat (pid: 2283, stack limit = 0x0c851eaf)
 3027 17:15:04.054140  # [  233.468924] Stack: (0xc513be50 to 0xc513c000)
 3028 17:15:04.054220  # [  233.473558] be40:                                     00000027 c5ec5000 c513be74 c513be68
 3029 17:15:04.054301  # [  233.482035] be60: c0c5aecc c13ce720 c513be9c c513be78 c0c5b3cc c0c5aeac c0c5b2ac c5c80000
 3030 17:15:04.096513  # [  233.490509] be80: b6da8000 0000000c c3aa9540 c513bf60 c513bec4 c513bea0 c07e42b0 c0c5b2b8
 3031 17:15:04.096891  # [  233.498981] bea0: 00000000 c5c80000 b6da8000 c290d000 c513bf60 c07e424c c513bf5c c513bec8
 3032 17:15:04.096996  # [  233.507455] bec0: c059c068 c07e4258 00000001 00000000 c059c624 c13e3a68 c059c624 c513a000
 3033 17:15:04.097079  # [  233.515928] bee0: b6da8000 00020000 00000004 0000000c 0001fff4 c513bee0 00000001 b6da7000
 3034 17:15:04.097158  # [  233.524402] bf00: c5ad6b40 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 3035 17:15:04.140065  # [  233.532876] bf20: 00000000 00000000 c13e3a68 f8f13c00 c206c1e0 c5c80000 c5c80000 c513a000
 3036 17:15:04.140474  # [  233.541350] bf40: b6da8000 00000000 00000000 00000004 c513bf94 c513bf60 c059c624 c059bf68
 3037 17:15:04.140580  # [  233.549824] bf60: 00000000 00000000 c513bfac f8f13c00 0000000c 0000000c 7ff00000 00000004
 3038 17:15:04.140666  # [  233.558297] bf80: c03002e4 c513a000 c513bfa4 c513bf98 c059c6b4 c059c5bc 00000000 c513bfa8
 3039 17:15:04.140746  # [  233.566770] bfa0: c03000c0 c059c6a8 0000000c 0000000c 00000001 b6da8000 0000000c 00000001
 3040 17:15:04.143321  # [  233.575243] bfc0: 0000000c 0000000c 7ff00000 00000004 00000001 b6da8000 00020000 004bfe38
 3041 17:15:04.183633  # [  233.583716] bfe0: 00000004 bec7f7e8 b6e6e33b b6de7616 60080030 00000001 00000000 00000000
 3042 17:15:04.183820  # [  233.592178] Backtrace: 
 3043 17:15:04.183910  # [  233.594906] [<c13ce714>] (lkdtm_ACCESS_NULL) from [<c0c5aecc>] (lkdtm_do_action+0x2c/0x4c)
 3044 17:15:04.183993  # [  233.603454]  r5:c5ec5000 r4:00000027
 3045 17:15:04.184073  # [  233.607303] [<c0c5aea0>] (lkdtm_do_action) from [<c0c5b3cc>] (direct_entry+0x120/0x18c)
 3046 17:15:04.184152  # [  233.615606] [<c0c5b2ac>] (direct_entry) from [<c07e42b0>] (full_proxy_write+0x64/0x94)
 3047 17:15:04.226426  # [  233.623812]  r9:c513bf60 r8:c3aa9540 r7:0000000c r6:b6da8000 r5:c5c80000 r4:c0c5b2ac
 3048 17:15:04.226839  # [  233.631856] [<c07e424c>] (full_proxy_write) from [<c059c068>] (vfs_write+0x10c/0x54c)
 3049 17:15:04.226942  # [  233.639973]  r9:c07e424c r8:c513bf60 r7:c290d000 r6:b6da8000 r5:c5c80000 r4:00000000
 3050 17:15:04.227029  # [  233.648012] [<c059bf5c>] (vfs_write) from [<c059c624>] (ksys_write+0x74/0xec)
 3051 17:15:04.227113  # [  233.655435]  r10:00000004 r9:00000000 r8:00000000 r7:b6da8000 r6:c513a000 r5:c5c80000
 3052 17:15:04.227193  # [  233.663549]  r4:c5c80000
 3053 17:15:04.269840  # [  233.666355] [<c059c5b0>] (ksys_write) from [<c059c6b4>] (sys_write+0x18/0x1c)
 3054 17:15:04.270280  # [  233.673778]  r9:c513a000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000000c r4:0000000c
 3055 17:15:04.270397  # [  233.681817] [<c059c69c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 3056 17:15:04.270507  # [  233.689667] Exception stack(0xc513bfa8 to 0xc513bff0)
 3057 17:15:04.270592  # [  233.695001] bfa0:                   0000000c 0000000c 00000001 b6da8000 0000000c 00000001
 3058 17:15:04.273006  # [  233.703477] bfc0: 0000000c 0000000c 7ff00000 00000004 00000001 b6da8000 00020000 004bfe38
 3059 17:15:04.307415  # [  233.711944] bfe0: 00000004 bec7f7e8 b6e6e33b b6de7616
 3060 17:15:04.307861  # [  233.717276] Code: e3080618 e34c01ad e1a01004 ebffd3b8 (e5945000) 
 3061 17:15:04.307965  # [  233.723757] ---[ end trace af413873b24c9d2b ]---
 3062 17:15:04.308075  # ACCESS_NULL: missing 'call trace:': [FAIL]
 3063 17:15:04.308156  not ok 38 selftests: lkdtm: ACCESS_NULL.sh # exit=1
 3064 17:15:04.310503  # selftests: lkdtm: WRITE_RO.sh
 3065 17:15:04.744997  <6>[  234.726706] lkdtm: Performing direct entry WRITE_RO
 3066 17:15:04.745481  <6>[  234.730570] lkdtm: attempting bad rodata write at c15ec478
 3067 17:15:04.745611  <1>[  234.736202] 8<--- cut here ---
 3068 17:15:04.745695  <1>[  234.739511] Unable to handle kernel paging request at virtual address c15ec478
 3069 17:15:04.745797  <1>[  234.747025] pgd = cecac225
 3070 17:15:04.745877  <1>[  234.749989] [c15ec478] *pgd=c141941e(bad)
 3071 17:15:04.745978  <0>[  234.754276] Internal error: Oops: 80d [#12] SMP ARM
 3072 17:15:04.788593  <4>[  234.759424] Modules linked in: fuse ip_tables x_tables snd_soc_hdmi_codec stm32_adc stm32_timer_trigger stm32_lptimer_trigger snd_soc_audio_graph_card snd_soc_simple_card_utils snd_soc_stm32_sai_sub snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore adv7511 brcmfmac stm_drm sha256_generic etnaviv sha256_arm gpu_sched hci_uart btbcm cfg80211 bluetooth brcmutil ecdh_generic ecc libaes snd_soc_stm32_sai stm32_adc_core
 3073 17:15:04.788775  <4>[  234.798475] CPU: 0 PID: 2358 Comm: cat Tainted: G      D W         5.10.220-cip49 #1
 3074 17:15:04.791606  <4>[  234.806498] Hardware name: STM32 (Device Tree Support)
 3075 17:15:04.831692  <4>[  234.811930] PC is at lkdtm_WRITE_RO+0x44/0x50
 3076 17:15:04.832090  <4>[  234.816548] LR is at 0x0
 3077 17:15:04.832199  <4>[  234.819339] pc : [<c13ce558>]    lr : [<00000000>]    psr: 60080013
 3078 17:15:04.832288  <4>[  234.825888] sp : c5f45e50  ip : 00000027  fp : c5f45e64
 3079 17:15:04.832370  <4>[  234.831390] r10: 00000009  r9 : c1ad7714  r8 : c15ec1e0
 3080 17:15:04.832449  <4>[  234.836893] r7 : c5f45f60  r6 : 00000009  r5 : c5e0f000  r4 : c15ec478
 3081 17:15:04.832528  <4>[  234.843706] r3 : 0198b861  r2 : aa55aa55  r1 : ef7955e4  r0 : c1ad8518
 3082 17:15:04.875030  <4>[  234.850520] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 3083 17:15:04.875441  <4>[  234.857943] Control: 10c5387d  Table: c515406a  DAC: 00000051
 3084 17:15:04.875563  <0>[  234.863970] Process cat (pid: 2358, stack limit = 0xc6aed9a2)
 3085 17:15:04.875648  <0>[  234.869995] Stack: (0xc5f45e50 to 0xc5f46000)
 3086 17:15:04.875730  <0>[  234.874630] 5e40:                                     00000028 c5e0f000 c5f45e74 c5f45e68
 3087 17:15:04.875812  <0>[  234.883105] 5e60: c0c5aecc c13ce520 c5f45e9c c5f45e78 c0c5b3cc c0c5aeac c0c5b2ac c5af3000
 3088 17:15:04.918331  <0>[  234.891578] 5e80: b6e2f000 00000009 c3aa9540 c5f45f60 c5f45ec4 c5f45ea0 c07e42b0 c0c5b2b8
 3089 17:15:04.918710  <0>[  234.900051] 5ea0: 00000000 c5af3000 b6e2f000 c290d000 c5f45f60 c07e424c c5f45f5c c5f45ec8
 3090 17:15:04.918818  <0>[  234.908522] 5ec0: c059c068 c07e4258 00000001 00000000 c059c624 c13e3a68 c059c624 c5f44000
 3091 17:15:04.918906  <0>[  234.916995] 5ee0: b6e2f000 00020000 00000004 00000009 0001fff7 c5f45ee0 00000001 b6e2e000
 3092 17:15:04.918992  <0>[  234.925467] 5f00: c5af3640 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 3093 17:15:04.961407  <0>[  234.933939] 5f20: 00000000 00000000 c13e3a68 8cf9ac33 c206c1e0 c5af3000 c5af3000 c5f44000
 3094 17:15:04.961782  <0>[  234.942411] 5f40: b6e2f000 00000000 00000000 00000004 c5f45f94 c5f45f60 c059c624 c059bf68
 3095 17:15:04.961886  <0>[  234.950882] 5f60: 00000000 00000000 c5f45fac 8cf9ac33 00000009 00000009 7ff00000 00000004
 3096 17:15:04.961972  <0>[  234.959356] 5f80: c03002e4 c5f44000 c5f45fa4 c5f45f98 c059c6b4 c059c5bc 00000000 c5f45fa8
 3097 17:15:04.962055  <0>[  234.967829] 5fa0: c03000c0 c059c6a8 00000009 00000009 00000001 b6e2f000 00000009 00000001
 3098 17:15:04.964735  <0>[  234.976303] 5fc0: 00000009 00000009 7ff00000 00000004 00000001 b6e2f000 00020000 004efe38
 3099 17:15:05.005177  <0>[  234.984776] 5fe0: 00000004 beedb7e8 b6ef533b b6e6e616 60080030 00000001 00000000 00000000
 3100 17:15:05.005351  <0>[  234.993239] Backtrace: 
 3101 17:15:05.005437  <0>[  234.995966] [<c13ce514>] (lkdtm_WRITE_RO) from [<c0c5aecc>] (lkdtm_do_action+0x2c/0x4c)
 3102 17:15:05.005521  <0>[  235.004252]  r5:c5e0f000 r4:00000028
 3103 17:15:05.005603  <0>[  235.008100] [<c0c5aea0>] (lkdtm_do_action) from [<c0c5b3cc>] (direct_entry+0x120/0x18c)
 3104 17:15:05.008416  <0>[  235.016402] [<c0c5b2ac>] (direct_entry) from [<c07e42b0>] (full_proxy_write+0x64/0x94)
 3105 17:15:05.048139  <0>[  235.024609]  r9:c5f45f60 r8:c3aa9540 r7:00000009 r6:b6e2f000 r5:c5af3000 r4:c0c5b2ac
 3106 17:15:05.048524  <0>[  235.032651] [<c07e424c>] (full_proxy_write) from [<c059c068>] (vfs_write+0x10c/0x54c)
 3107 17:15:05.048617  <0>[  235.040770]  r9:c07e424c r8:c5f45f60 r7:c290d000 r6:b6e2f000 r5:c5af3000 r4:00000000
 3108 17:15:05.048699  <0>[  235.048809] [<c059bf5c>] (vfs_write) from [<c059c624>] (ksys_write+0x74/0xec)
 3109 17:15:05.048780  <0>[  235.056233]  r10:00000004 r9:00000000 r8:00000000 r7:b6e2f000 r6:c5f44000 r5:c5af3000
 3110 17:15:05.048860  <0>[  235.064350]  r4:c5af3000
 3111 17:15:05.091669  <0>[  235.067156] [<c059c5b0>] (ksys_write) from [<c059c6b4>] (sys_write+0x18/0x1c)
 3112 17:15:05.092067  <0>[  235.074580]  r9:c5f44000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000009 r4:00000009
 3113 17:15:05.092178  <0>[  235.082620] [<c059c69c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 3114 17:15:05.092265  <0>[  235.090469] Exception stack(0xc5f45fa8 to 0xc5f45ff0)
 3115 17:15:05.092348  <0>[  235.095804] 5fa0:                   00000009 00000009 00000001 b6e2f000 00000009 00000001
 3116 17:15:05.094908  <0>[  235.104279] 5fc0: 00000009 00000009 7ff00000 00000004 00000001 b6e2f000 00020000 004efe38
 3117 17:15:05.117575  <0>[  235.112748] 5fe0: 00000004 beedb7e8 b6ef533b b6e6e616
 3118 17:15:05.117956  <0>[  235.118080] Code: e34a3bcd e3080518 e34c01ad e0233002 (e5843000) 
 3119 17:15:05.120860  <4>[  235.124458] ---[ end trace af413873b24c9d2c ]---
 3120 17:15:05.120980  # Segmentation fault
 3121 17:15:05.355710  # [  234.726706] lkdtm: Performing direct entry WRITE_RO
 3122 17:15:05.356114  # [  234.730570] lkdtm: attempting bad rodata write at c15ec478
 3123 17:15:05.356233  # [  234.736202] 8<--- cut here ---
 3124 17:15:05.356357  # [  234.739511] Unable to handle kernel paging request at virtual address c15ec478
 3125 17:15:05.356481  # [  234.747025] pgd = cecac225
 3126 17:15:05.356604  # [  234.749989] [c15ec478] *pgd=c141941e(bad)
 3127 17:15:05.356694  # [  234.754276] Internal error: Oops: 80d [#12] SMP ARM
 3128 17:15:05.399484  # [  234.759424] Modules linked in: fuse ip_tables x_tables snd_soc_hdmi_codec stm32_adc stm32_timer_trigger stm32_lptimer_trigger snd_soc_audio_graph_card snd_soc_simple_card_utils snd_soc_stm32_sai_sub snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore adv7511 brcmfmac stm_drm sha256_generic etnaviv sha256_arm gpu_sched hci_uart btbcm cfg80211 bluetooth brcmutil ecdh_generic ecc libaes snd_soc_stm32_sai stm32_adc_core
 3129 17:15:05.399709  # [  234.798475] CPU: 0 PID: 2358 Comm: cat Tainted: G      D W         5.10.220-cip49 #1
 3130 17:15:05.402447  # [  234.806498] Hardware name: STM32 (Device Tree Support)
 3131 17:15:05.442483  # [  234.811930] PC is at lkdtm_WRITE_RO+0x44/0x50
 3132 17:15:05.442901  # [  234.816548] LR is at 0x0
 3133 17:15:05.443002  # [  234.819339] pc : [<c13ce558>]    lr : [<00000000>]    psr: 60080013
 3134 17:15:05.443091  # [  234.825888] sp : c5f45e50  ip : 00000027  fp : c5f45e64
 3135 17:15:05.443174  # [  234.831390] r10: 00000009  r9 : c1ad7714  r8 : c15ec1e0
 3136 17:15:05.443256  # [  234.836893] r7 : c5f45f60  r6 : 00000009  r5 : c5e0f000  r4 : c15ec478
 3137 17:15:05.443338  # [  234.843706] r3 : 0198b861  r2 : aa55aa55  r1 : ef7955e4  r0 : c1ad8518
 3138 17:15:05.485973  # [  234.850520] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 3139 17:15:05.486458  # [  234.857943] Control: 10c5387d  Table: c515406a  DAC: 00000051
 3140 17:15:05.486597  # [  234.863970] Process cat (pid: 2358, stack limit = 0xc6aed9a2)
 3141 17:15:05.486721  # [  234.869995] Stack: (0xc5f45e50 to 0xc5f46000)
 3142 17:15:05.486843  # [  234.874630] 5e40:                                     00000028 c5e0f000 c5f45e74 c5f45e68
 3143 17:15:05.486966  # [  234.883105] 5e60: c0c5aecc c13ce520 c5f45e9c c5f45e78 c0c5b3cc c0c5aeac c0c5b2ac c5af3000
 3144 17:15:05.489182  # [  234.891578] 5e80: b6e2f000 00000009 c3aa9540 c5f45f60 c5f45ec4 c5f45ea0 c07e42b0 c0c5b2b8
 3145 17:15:05.529383  # [  234.900051] 5ea0: 00000000 c5af3000 b6e2f000 c290d000 c5f45f60 c07e424c c5f45f5c c5f45ec8
 3146 17:15:05.529574  # [  234.908522] 5ec0: c059c068 c07e4258 00000001 00000000 c059c624 c13e3a68 c059c624 c5f44000
 3147 17:15:05.529697  # [  234.916995] 5ee0: b6e2f000 00020000 00000004 00000009 0001fff7 c5f45ee0 00000001 b6e2e000
 3148 17:15:05.529792  # [  234.925467] 5f00: c5af3640 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 3149 17:15:05.532441  # [  234.933939] 5f20: 00000000 00000000 c13e3a68 8cf9ac33 c206c1e0 c5af3000 c5af3000 c5f44000
 3150 17:15:05.573142  # [  234.942411] 5f40: b6e2f000 00000000 00000000 00000004 c5f45f94 c5f45f60 c059c624 c059bf68
 3151 17:15:05.573321  # [  234.950882] 5f60: 00000000 00000000 c5f45fac 8cf9ac33 00000009 00000009 7ff00000 00000004
 3152 17:15:05.573412  # [  234.959356] 5f80: c03002e4 c5f44000 c5f45fa4 c5f45f98 c059c6b4 c059c5bc 00000000 c5f45fa8
 3153 17:15:05.573495  # [  234.967829] 5fa0: c03000c0 c059c6a8 00000009 00000009 00000001 b6e2f000 00000009 00000001
 3154 17:15:05.575904  # [  234.976303] 5fc0: 00000009 00000009 7ff00000 00000004 00000001 b6e2f000 00020000 004efe38
 3155 17:15:05.615950  # [  234.984776] 5fe0: 00000004 beedb7e8 b6ef533b b6e6e616 60080030 00000001 00000000 00000000
 3156 17:15:05.616371  # [  234.993239] Backtrace: 
 3157 17:15:05.616504  # [  234.995966] [<c13ce514>] (lkdtm_WRITE_RO) from [<c0c5aecc>] (lkdtm_do_action+0x2c/0x4c)
 3158 17:15:05.616596  # [  235.004252]  r5:c5e0f000 r4:00000028
 3159 17:15:05.616693  # [  235.008100] [<c0c5aea0>] (lkdtm_do_action) from [<c0c5b3cc>] (direct_entry+0x120/0x18c)
 3160 17:15:05.616781  # [  235.016402] [<c0c5b2ac>] (direct_entry) from [<c07e42b0>] (full_proxy_write+0x64/0x94)
 3161 17:15:05.659079  # [  235.024609]  r9:c5f45f60 r8:c3aa9540 r7:00000009 r6:b6e2f000 r5:c5af3000 r4:c0c5b2ac
 3162 17:15:05.659516  # [  235.032651] [<c07e424c>] (full_proxy_write) from [<c059c068>] (vfs_write+0x10c/0x54c)
 3163 17:15:05.659625  # [  235.040770]  r9:c07e424c r8:c5f45f60 r7:c290d000 r6:b6e2f000 r5:c5af3000 r4:00000000
 3164 17:15:05.659710  # [  235.048809] [<c059bf5c>] (vfs_write) from [<c059c624>] (ksys_write+0x74/0xec)
 3165 17:15:05.659793  # [  235.056233]  r10:00000004 r9:00000000 r8:00000000 r7:b6e2f000 r6:c5f44000 r5:c5af3000
 3166 17:15:05.659880  # [  235.064350]  r4:c5af3000
 3167 17:15:05.662243  # [  235.067156] [<c059c5b0>] (ksys_write) from [<c059c6b4>] (sys_write+0x18/0x1c)
 3168 17:15:05.702902  # [  235.074580]  r9:c5f44000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000009 r4:00000009
 3169 17:15:05.703302  # [  235.082620] [<c059c69c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 3170 17:15:05.703553  # [  235.090469] Exception stack(0xc5f45fa8 to 0xc5f45ff0)
 3171 17:15:05.703933  # [  235.095804] 5fa0:                   00000009 00000009 00000001 b6e2f000 00000009 00000001
 3172 17:15:05.704394  # [  235.104279] 5fc0: 00000009 00000009 7ff00000 00000004 00000001 b6e2f000 00020000 004efe38
 3173 17:15:05.705668  # [  235.112748] 5fe0: 00000004 beedb7e8 b6ef533b b6e6e616
 3174 17:15:05.734438  # [  235.118080] Code: e34a3bcd e3080518 e34c01ad e0233002 (e5843000) 
 3175 17:15:05.734833  # [  235.124458] ---[ end trace af413873b24c9d2c ]---
 3176 17:15:05.734942  # WRITE_RO: missing 'call trace:': [FAIL]
 3177 17:15:05.737810  not ok 39 selftests: lkdtm: WRITE_RO.sh # exit=1
 3178 17:15:05.737922  # selftests: lkdtm: WRITE_RO_AFTER_INIT.sh
 3179 17:15:06.177969  <6>[  236.156780] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT
 3180 17:15:06.178371  <6>[  236.161631] lkdtm: attempting bad ro_after_init write at c1b8ac74
 3181 17:15:06.178483  <1>[  236.168031] 8<--- cut here ---
 3182 17:15:06.178568  <1>[  236.171167] Unable to handle kernel paging request at virtual address c1b8ac74
 3183 17:15:06.178649  <1>[  236.178683] pgd = 35b9490c
 3184 17:15:06.178728  <1>[  236.181644] [c1b8ac74] *pgd=c1a1941e(bad)
 3185 17:15:06.178812  <0>[  236.185933] Internal error: Oops: 80d [#13] SMP ARM
 3186 17:15:06.221391  <4>[  236.191079] Modules linked in: fuse ip_tables x_tables snd_soc_hdmi_codec stm32_adc stm32_timer_trigger stm32_lptimer_trigger snd_soc_audio_graph_card snd_soc_simple_card_utils snd_soc_stm32_sai_sub snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore adv7511 brcmfmac stm_drm sha256_generic etnaviv sha256_arm gpu_sched hci_uart btbcm cfg80211 bluetooth brcmutil ecdh_generic ecc libaes snd_soc_stm32_sai stm32_adc_core
 3187 17:15:06.221571  <4>[  236.230143] CPU: 0 PID: 2433 Comm: cat Tainted: G      D W         5.10.220-cip49 #1
 3188 17:15:06.224448  <4>[  236.238170] Hardware name: STM32 (Device Tree Support)
 3189 17:15:06.264668  <4>[  236.243604] PC is at lkdtm_WRITE_RO_AFTER_INIT+0x64/0x70
 3190 17:15:06.265022  <4>[  236.249188] LR is at __irq_work_queue_local+0x40/0x74
 3191 17:15:06.265122  <4>[  236.254512] pc : [<c13ce5c8>]    lr : [<c049e13c>]    psr: 60080013
 3192 17:15:06.265206  <4>[  236.261064] sp : c5f7de50  ip : c5f7dd58  fp : c5f7de64
 3193 17:15:06.265290  <4>[  236.266567] r10: 00000014  r9 : c1ad7720  r8 : c15ec1e0
 3194 17:15:06.265372  <4>[  236.272072] r7 : c5f7df60  r6 : 00000014  r5 : c5edd000  r4 : c1b8ac74
 3195 17:15:06.268048  <4>[  236.278887] r3 : fe67479e  r2 : 55aa55aa  r1 : ef7955e0  r0 : c1ad8518
 3196 17:15:06.307983  <4>[  236.285702] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 3197 17:15:06.308360  <4>[  236.293128] Control: 10c5387d  Table: c5a3c06a  DAC: 00000051
 3198 17:15:06.308458  <0>[  236.299157] Process cat (pid: 2433, stack limit = 0x8071f786)
 3199 17:15:06.308543  <0>[  236.305182] Stack: (0xc5f7de50 to 0xc5f7e000)
 3200 17:15:06.308627  <0>[  236.309818] de40:                                     00000029 c5edd000 c5f7de74 c5f7de68
 3201 17:15:06.308709  <0>[  236.318294] de60: c0c5aecc c13ce570 c5f7de9c c5f7de78 c0c5b3cc c0c5aeac c0c5b2ac c4fa2640
 3202 17:15:06.351322  <0>[  236.326768] de80: b6e18000 00000014 c3aa9540 c5f7df60 c5f7dec4 c5f7dea0 c07e42b0 c0c5b2b8
 3203 17:15:06.351691  <0>[  236.335243] dea0: 00000000 c4fa2640 b6e18000 c290d000 c5f7df60 c07e424c c5f7df5c c5f7dec8
 3204 17:15:06.351791  <0>[  236.343717] dec0: c059c068 c07e4258 00000001 00000000 c059c624 c13e3a68 c059c624 c5f7c000
 3205 17:15:06.351875  <0>[  236.352192] dee0: b6e18000 00020000 00000004 00000014 0001ffec c5f7dee0 00000001 b6e17000
 3206 17:15:06.351958  <0>[  236.360666] df00: c5bed640 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 3207 17:15:06.394626  <0>[  236.369143] df20: 00000000 00000000 c13e3a68 9cae45e9 c206c1e0 c4fa2640 c4fa2640 c5f7c000
 3208 17:15:06.394980  <0>[  236.377618] df40: b6e18000 00000000 00000000 00000004 c5f7df94 c5f7df60 c059c624 c059bf68
 3209 17:15:06.395090  <0>[  236.386093] df60: 00000000 00000000 c5f7dfac 9cae45e9 00000014 00000014 7ff00000 00000004
 3210 17:15:06.395177  <0>[  236.394568] df80: c03002e4 c5f7c000 c5f7dfa4 c5f7df98 c059c6b4 c059c5bc 00000000 c5f7dfa8
 3211 17:15:06.395260  <0>[  236.403041] dfa0: c03000c0 c059c6a8 00000014 00000014 00000001 b6e18000 00000014 00000001
 3212 17:15:06.437784  <0>[  236.411516] dfc0: 00000014 00000014 7ff00000 00000004 00000001 b6e18000 00020000 0041fe38
 3213 17:15:06.438140  <0>[  236.419990] dfe0: 00000004 beca27e8 b6ede33b b6e57616 60080030 00000001 00000000 00000000
 3214 17:15:06.438239  <0>[  236.428454] Backtrace: 
 3215 17:15:06.438328  <0>[  236.431182] [<c13ce564>] (lkdtm_WRITE_RO_AFTER_INIT) from [<c0c5aecc>] (lkdtm_do_action+0x2c/0x4c)
 3216 17:15:06.438413  <0>[  236.440432]  r5:c5edd000 r4:00000029
 3217 17:15:06.438497  <0>[  236.444282] [<c0c5aea0>] (lkdtm_do_action) from [<c0c5b3cc>] (direct_entry+0x120/0x18c)
 3218 17:15:06.441321  <0>[  236.452589] [<c0c5b2ac>] (direct_entry) from [<c07e42b0>] (full_proxy_write+0x64/0x94)
 3219 17:15:06.481339  <0>[  236.460795]  r9:c5f7df60 r8:c3aa9540 r7:00000014 r6:b6e18000 r5:c4fa2640 r4:c0c5b2ac
 3220 17:15:06.481493  <0>[  236.468837] [<c07e424c>] (full_proxy_write) from [<c059c068>] (vfs_write+0x10c/0x54c)
 3221 17:15:06.481582  <0>[  236.476957]  r9:c07e424c r8:c5f7df60 r7:c290d000 r6:b6e18000 r5:c4fa2640 r4:00000000
 3222 17:15:06.481666  <0>[  236.484998] [<c059bf5c>] (vfs_write) from [<c059c624>] (ksys_write+0x74/0xec)
 3223 17:15:06.481746  <0>[  236.492421]  r10:00000004 r9:00000000 r8:00000000 r7:b6e18000 r6:c5f7c000 r5:c4fa2640
 3224 17:15:06.484411  <0>[  236.500534]  r4:c4fa2640
 3225 17:15:06.524721  <0>[  236.503341] [<c059c5b0>] (ksys_write) from [<c059c6b4>] (sys_write+0x18/0x1c)
 3226 17:15:06.524870  <0>[  236.510764]  r9:c5f7c000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000014 r4:00000014
 3227 17:15:06.524959  <0>[  236.518806] [<c059c69c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 3228 17:15:06.525043  <0>[  236.526658] Exception stack(0xc5f7dfa8 to 0xc5f7dff0)
 3229 17:15:06.525126  <0>[  236.531993] dfa0:                   00000014 00000014 00000001 b6e18000 00000014 00000001
 3230 17:15:06.556481  <0>[  236.540471] dfc0: 00000014 00000014 7ff00000 00000004 00000001 b6e18000 00020000 0041fe38
 3231 17:15:06.556861  <0>[  236.548941] dfe0: 00000004 beca27e8 b6ede33b b6e57616
 3232 17:15:06.556959  <0>[  236.554275] Code: e34a3bcd e3080518 e34c01ad e0233002 (e5843000) 
 3233 17:15:06.559749  <4>[  236.560657] ---[ end trace af413873b24c9d2d ]---
 3234 17:15:06.559860  # Segmentation fault
 3235 17:15:06.762560  # [  236.156780] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT
 3236 17:15:06.762971  # [  236.161631] lkdtm: attempting bad ro_after_init write at c1b8ac74
 3237 17:15:06.763076  # [  236.168031] 8<--- cut here ---
 3238 17:15:06.763160  # [  236.171167] Unable to handle kernel paging request at virtual address c1b8ac74
 3239 17:15:06.763242  # [  236.178683] pgd = 35b9490c
 3240 17:15:06.763324  # [  236.181644] [c1b8ac74] *pgd=c1a1941e(bad)
 3241 17:15:06.763407  # [  236.185933] Internal error: Oops: 80d [#13] SMP ARM
 3242 17:15:06.806242  # [  236.191079] Modules linked in: fuse ip_tables x_tables snd_soc_hdmi_codec stm32_adc stm32_timer_trigger stm32_lptimer_trigger snd_soc_audio_graph_card snd_soc_simple_card_utils snd_soc_stm32_sai_sub snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore adv7511 brcmfmac stm_drm sha256_generic etnaviv sha256_arm gpu_sched hci_uart btbcm cfg80211 bluetooth brcmutil ecdh_generic ecc libaes snd_soc_stm32_sai stm32_adc_core
 3243 17:15:06.806397  # [  236.230143] CPU: 0 PID: 2433 Comm: cat Tainted: G      D W         5.10.220-cip49 #1
 3244 17:15:06.849192  # [  236.238170] Hardware name: STM32 (Device Tree Support)
 3245 17:15:06.849778  # [  236.243604] PC is at lkdtm_WRITE_RO_AFTER_INIT+0x64/0x70
 3246 17:15:06.850135  # [  236.249188] LR is at __irq_work_queue_local+0x40/0x74
 3247 17:15:06.850405  # [  236.254512] pc : [<c13ce5c8>]    lr : [<c049e13c>]    psr: 60080013
 3248 17:15:06.850619  # [  236.261064] sp : c5f7de50  ip : c5f7dd58  fp : c5f7de64
 3249 17:15:06.850769  # [  236.266567] r10: 00000014  r9 : c1ad7720  r8 : c15ec1e0
 3250 17:15:06.851028  # [  236.272072] r7 : c5f7df60  r6 : 00000014  r5 : c5edd000  r4 : c1b8ac74
 3251 17:15:06.852543  # [  236.278887] r3 : fe67479e  r2 : 55aa55aa  r1 : ef7955e0  r0 : c1ad8518
 3252 17:15:06.892736  # [  236.285702] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 3253 17:15:06.892896  # [  236.293128] Control: 10c5387d  Table: c5a3c06a  DAC: 00000051
 3254 17:15:06.892983  # [  236.299157] Process cat (pid: 2433, stack limit = 0x8071f786)
 3255 17:15:06.893066  # [  236.305182] Stack: (0xc5f7de50 to 0xc5f7e000)
 3256 17:15:06.893149  # [  236.309818] de40:                                     00000029 c5edd000 c5f7de74 c5f7de68
 3257 17:15:06.895941  # [  236.318294] de60: c0c5aecc c13ce570 c5f7de9c c5f7de78 c0c5b3cc c0c5aeac c0c5b2ac c4fa2640
 3258 17:15:06.935821  # [  236.326768] de80: b6e18000 00000014 c3aa9540 c5f7df60 c5f7dec4 c5f7dea0 c07e42b0 c0c5b2b8
 3259 17:15:06.936261  # [  236.335243] dea0: 00000000 c4fa2640 b6e18000 c290d000 c5f7df60 c07e424c c5f7df5c c5f7dec8
 3260 17:15:06.936370  # [  236.343717] dec0: c059c068 c07e4258 00000001 00000000 c059c624 c13e3a68 c059c624 c5f7c000
 3261 17:15:06.936454  # [  236.352192] dee0: b6e18000 00020000 00000004 00000014 0001ffec c5f7dee0 00000001 b6e17000
 3262 17:15:06.936536  # [  236.360666] df00: c5bed640 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 3263 17:15:06.979093  # [  236.369143] df20: 00000000 00000000 c13e3a68 9cae45e9 c206c1e0 c4fa2640 c4fa2640 c5f7c000
 3264 17:15:06.979530  # [  236.377618] df40: b6e18000 00000000 00000000 00000004 c5f7df94 c5f7df60 c059c624 c059bf68
 3265 17:15:06.979643  # [  236.386093] df60: 00000000 00000000 c5f7dfac 9cae45e9 00000014 00000014 7ff00000 00000004
 3266 17:15:06.979729  # [  236.394568] df80: c03002e4 c5f7c000 c5f7dfa4 c5f7df98 c059c6b4 c059c5bc 00000000 c5f7dfa8
 3267 17:15:06.979812  # [  236.403041] dfa0: c03000c0 c059c6a8 00000014 00000014 00000001 b6e18000 00000014 00000001
 3268 17:15:07.022287  # [  236.411516] dfc0: 00000014 00000014 7ff00000 00000004 00000001 b6e18000 00020000 0041fe38
 3269 17:15:07.022698  # [  236.419990] dfe0: 00000004 beca27e8 b6ede33b b6e57616 60080030 00000001 00000000 00000000
 3270 17:15:07.022823  # [  236.428454] Backtrace: 
 3271 17:15:07.022908  # [  236.431182] [<c13ce564>] (lkdtm_WRITE_RO_AFTER_INIT) from [<c0c5aecc>] (lkdtm_do_action+0x2c/0x4c)
 3272 17:15:07.022991  # [  236.440432]  r5:c5edd000 r4:00000029
 3273 17:15:07.023072  # [  236.444282] [<c0c5aea0>] (lkdtm_do_action) from [<c0c5b3cc>] (direct_entry+0x120/0x18c)
 3274 17:15:07.025662  # [  236.452589] [<c0c5b2ac>] (direct_entry) from [<c07e42b0>] (full_proxy_write+0x64/0x94)
 3275 17:15:07.065868  # [  236.460795]  r9:c5f7df60 r8:c3aa9540 r7:00000014 r6:b6e18000 r5:c4fa2640 r4:c0c5b2ac
 3276 17:15:07.066074  # [  236.468837] [<c07e424c>] (full_proxy_write) from [<c059c068>] (vfs_write+0x10c/0x54c)
 3277 17:15:07.066167  # [  236.476957]  r9:c07e424c r8:c5f7df60 r7:c290d000 r6:b6e18000 r5:c4fa2640 r4:00000000
 3278 17:15:07.066254  # [  236.484998] [<c059bf5c>] (vfs_write) from [<c059c624>] (ksys_write+0x74/0xec)
 3279 17:15:07.066335  # [  236.492421]  r10:00000004 r9:00000000 r8:00000000 r7:b6e18000 r6:c5f7c000 r5:c4fa2640
 3280 17:15:07.068835  # [  236.500534]  r4:c4fa2640
 3281 17:15:07.109168  # [  236.503341] [<c059c5b0>] (ksys_write) from [<c059c6b4>] (sys_write+0x18/0x1c)
 3282 17:15:07.109637  # [  236.510764]  r9:c5f7c000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000014 r4:00000014
 3283 17:15:07.109750  # [  236.518806] [<c059c69c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 3284 17:15:07.109836  # [  236.526658] Exception stack(0xc5f7dfa8 to 0xc5f7dff0)
 3285 17:15:07.109922  # [  236.531993] dfa0:                   00000014 00000014 00000001 b6e18000 00000014 00000001
 3286 17:15:07.112504  # [  236.540471] dfc0: 00000014 00000014 7ff00000 00000004 00000001 b6e18000 00020000 0041fe38
 3287 17:15:07.151538  # [  236.548941] dfe0: 00000004 beca27e8 b6ede33b b6e57616
 3288 17:15:07.152001  # [  236.554275] Code: e34a3bcd e3080518 e34c01ad e0233002 (e5843000) 
 3289 17:15:07.152138  # [  236.560657] ---[ end trace af413873b24c9d2d ]---
 3290 17:15:07.152226  # WRITE_RO_AFTER_INIT: missing 'call trace:': [FAIL]
 3291 17:15:07.152331  not ok 40 selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # exit=1
 3292 17:15:07.154734  # selftests: lkdtm: WRITE_KERN.sh
 3293 17:15:07.709640  <6>[  237.691380] lkdtm: Performing direct entry WRITE_KERN
 3294 17:15:07.710078  <6>[  237.695292] lkdtm: attempting bad 7809024 byte write at c13ce43c
 3295 17:15:07.710185  <1>[  237.701746] 8<--- cut here ---
 3296 17:15:07.710272  <1>[  237.704894] Unable to handle kernel paging request at virtual address c13ce43c
 3297 17:15:07.710355  <1>[  237.712409] pgd = ed49095b
 3298 17:15:07.710438  <1>[  237.715372] [c13ce43c] *pgd=c121940e(bad)
 3299 17:15:07.710519  <0>[  237.719661] Internal error: Oops: 80d [#14] SMP ARM
 3300 17:15:07.753468  <4>[  237.724809] Modules linked in: fuse ip_tables x_tables snd_soc_hdmi_codec stm32_adc stm32_timer_trigger stm32_lptimer_trigger snd_soc_audio_graph_card snd_soc_simple_card_utils snd_soc_stm32_sai_sub snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore adv7511 brcmfmac stm_drm sha256_generic etnaviv sha256_arm gpu_sched hci_uart btbcm cfg80211 bluetooth brcmutil ecdh_generic ecc libaes snd_soc_stm32_sai stm32_adc_core
 3301 17:15:07.753648  <4>[  237.763867] CPU: 0 PID: 2508 Comm: cat Tainted: G      D W         5.10.220-cip49 #1
 3302 17:15:07.796314  <4>[  237.771893] Hardware name: STM32 (Device Tree Support)
 3303 17:15:07.796469  <4>[  237.777326] PC is at memcpy+0x50/0x330
 3304 17:15:07.796785  <4>[  237.781336] LR is at 0xe92dd830
 3305 17:15:07.796901  <4>[  237.784739] pc : [<c08d7670>]    lr : [<e92dd830>]    psr: 20080013
 3306 17:15:07.796992  <4>[  237.791291] sp : c5fede2c  ip : e1a0c00d  fp : c5fede64
 3307 17:15:07.797075  <4>[  237.796795] r10: 0000000b  r9 : c1ad7734  r8 : e89da800
 3308 17:15:07.797158  <4>[  237.802300] r7 : e8bd4000  r6 : e52de004  r5 : e24cb004  r4 : e92dd800
 3309 17:15:07.799634  <4>[  237.809115] r3 : e1a0c00d  r2 : 00772760  r1 : c0c5bc5c  r0 : c13ce43c
 3310 17:15:07.839582  <4>[  237.815931] Flags: nzCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 3311 17:15:07.839980  <4>[  237.823356] Control: 10c5387d  Table: c50b806a  DAC: 00000051
 3312 17:15:07.840074  <0>[  237.829386] Process cat (pid: 2508, stack limit = 0x8cc6720f)
 3313 17:15:07.840159  <0>[  237.835412] Stack: (0xc5fede2c to 0xc5fee000)
 3314 17:15:07.840240  <0>[  237.840049] de20:                            c0c5bc3c 00772800 c5fedf60 c15ec1e0 c13ce43c
 3315 17:15:07.840321  <0>[  237.848524] de40: c13ce43c c13ce620 0000002a c5edd000 0000000b c5fedf60 c5fede74 c5fede68
 3316 17:15:07.882981  <0>[  237.856999] de60: c0c5aecc c13ce5e0 c5fede9c c5fede78 c0c5b3cc c0c5aeac c0c5b2ac c4fc0a00
 3317 17:15:07.883405  <0>[  237.865473] de80: b6e23000 0000000b c3aa9540 c5fedf60 c5fedec4 c5fedea0 c07e42b0 c0c5b2b8
 3318 17:15:07.883507  <0>[  237.873947] dea0: 00000000 c4fc0a00 b6e23000 c290d000 c5fedf60 c07e424c c5fedf5c c5fedec8
 3319 17:15:07.883590  <0>[  237.882423] dec0: c059c068 c07e4258 00000001 00000000 c059c624 c13e3a68 c059c624 c5fec000
 3320 17:15:07.883672  <0>[  237.890896] dee0: b6e23000 00020000 00000004 0000000b 0001fff5 c5fedee0 00000001 b6e22000
 3321 17:15:07.926171  <0>[  237.899369] df00: c4fc03c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 3322 17:15:07.926610  <0>[  237.907842] df20: 00000000 00000000 c13e3a68 02aa6b97 c206c1e0 c4fc0a00 c4fc0a00 c5fec000
 3323 17:15:07.926724  <0>[  237.916315] df40: b6e23000 00000000 00000000 00000004 c5fedf94 c5fedf60 c059c624 c059bf68
 3324 17:15:07.926811  <0>[  237.924788] df60: 00000000 00000000 c5fedfac 02aa6b97 0000000b 0000000b 7ff00000 00000004
 3325 17:15:07.926897  <0>[  237.933263] df80: c03002e4 c5fec000 c5fedfa4 c5fedf98 c059c6b4 c059c5bc 00000000 c5fedfa8
 3326 17:15:07.969725  <0>[  237.941737] dfa0: c03000c0 c059c6a8 0000000b 0000000b 00000001 b6e23000 0000000b 00000001
 3327 17:15:07.970148  <0>[  237.950211] dfc0: 0000000b 0000000b 7ff00000 00000004 00000001 b6e23000 00020000 0042fe38
 3328 17:15:07.970244  <0>[  237.958685] dfe0: 00000004 bed707e8 b6ee933b b6e62616 60080030 00000001 00000000 00000000
 3329 17:15:07.970328  <0>[  237.967148] Backtrace: 
 3330 17:15:07.970411  <0>[  237.969879] [<c13ce5d4>] (lkdtm_WRITE_KERN) from [<c0c5aecc>] (lkdtm_do_action+0x2c/0x4c)
 3331 17:15:07.970492  <0>[  237.978342]  r7:c5fedf60 r6:0000000b r5:c5edd000 r4:0000002a
 3332 17:15:07.973286  <0>[  237.984284] [<c0c5aea0>] (lkdtm_do_action) from [<c0c5b3cc>] (direct_entry+0x120/0x18c)
 3333 17:15:08.013189  <0>[  237.992587] [<c0c5b2ac>] (direct_entry) from [<c07e42b0>] (full_proxy_write+0x64/0x94)
 3334 17:15:08.013329  <0>[  238.000794]  r9:c5fedf60 r8:c3aa9540 r7:0000000b r6:b6e23000 r5:c4fc0a00 r4:c0c5b2ac
 3335 17:15:08.013419  <0>[  238.008836] [<c07e424c>] (full_proxy_write) from [<c059c068>] (vfs_write+0x10c/0x54c)
 3336 17:15:08.013503  <0>[  238.016956]  r9:c07e424c r8:c5fedf60 r7:c290d000 r6:b6e23000 r5:c4fc0a00 r4:00000000
 3337 17:15:08.013584  <0>[  238.024996] [<c059bf5c>] (vfs_write) from [<c059c624>] (ksys_write+0x74/0xec)
 3338 17:15:08.056327  <0>[  238.032420]  r10:00000004 r9:00000000 r8:00000000 r7:b6e23000 r6:c5fec000 r5:c4fc0a00
 3339 17:15:08.056664  <0>[  238.040536]  r4:c4fc0a00
 3340 17:15:08.056757  <0>[  238.043342] [<c059c5b0>] (ksys_write) from [<c059c6b4>] (sys_write+0x18/0x1c)
 3341 17:15:08.056844  <0>[  238.050766]  r9:c5fec000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000000b r4:0000000b
 3342 17:15:08.056927  <0>[  238.058806] [<c059c69c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 3343 17:15:08.057008  <0>[  238.066657] Exception stack(0xc5fedfa8 to 0xc5fedff0)
 3344 17:15:08.102531  <0>[  238.071992] dfa0:                   0000000b 0000000b 00000001 b6e23000 0000000b 00000001
 3345 17:15:08.102940  <0>[  238.080468] dfc0: 0000000b 0000000b 7ff00000 00000004 00000001 b6e23000 00020000 0042fe38
 3346 17:15:08.103040  <0>[  238.088937] dfe0: 00000004 bed707e8 b6ee933b b6e62616
 3347 17:15:08.103129  <0>[  238.094270] Code: f5d1f05c f5d1f07c e8b151f8 e2522020 (e8a051f8) 
 3348 17:15:08.105883  <4>[  238.100650] ---[ end trace af413873b24c9d2e ]---
 3349 17:15:08.105981  # Segmentation fault
 3350 17:15:08.325834  # [  237.691380] lkdtm: Performing direct entry WRITE_KERN
 3351 17:15:08.326270  # [  237.695292] lkdtm: attempting bad 7809024 byte write at c13ce43c
 3352 17:15:08.326366  # [  237.701746] 8<--- cut here ---
 3353 17:15:08.326449  # [  237.704894] Unable to handle kernel paging request at virtual address c13ce43c
 3354 17:15:08.326532  # [  237.712409] pgd = ed49095b
 3355 17:15:08.326612  # [  237.715372] [c13ce43c] *pgd=c121940e(bad)
 3356 17:15:08.326693  # [  237.719661] Internal error: Oops: 80d [#14] SMP ARM
 3357 17:15:08.369462  # [  237.724809] Modules linked in: fuse ip_tables x_tables snd_soc_hdmi_codec stm32_adc stm32_timer_trigger stm32_lptimer_trigger snd_soc_audio_graph_card snd_soc_simple_card_utils snd_soc_stm32_sai_sub snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore adv7511 brcmfmac stm_drm sha256_generic etnaviv sha256_arm gpu_sched hci_uart btbcm cfg80211 bluetooth brcmutil ecdh_generic ecc libaes snd_soc_stm32_sai stm32_adc_core
 3358 17:15:08.369660  # [  237.763867] CPU: 0 PID: 2508 Comm: cat Tainted: G      D W         5.10.220-cip49 #1
 3359 17:15:08.372636  # [  237.771893] Hardware name: STM32 (Device Tree Support)
 3360 17:15:08.412660  # [  237.777326] PC is at memcpy+0x50/0x330
 3361 17:15:08.413072  # [  237.781336] LR is at 0xe92dd830
 3362 17:15:08.413183  # [  237.784739] pc : [<c08d7670>]    lr : [<e92dd830>]    psr: 20080013
 3363 17:15:08.413269  # [  237.791291] sp : c5fede2c  ip : e1a0c00d  fp : c5fede64
 3364 17:15:08.413348  # [  237.796795] r10: 0000000b  r9 : c1ad7734  r8 : e89da800
 3365 17:15:08.413428  # [  237.802300] r7 : e8bd4000  r6 : e52de004  r5 : e24cb004  r4 : e92dd800
 3366 17:15:08.413524  # [  237.809115] r3 : e1a0c00d  r2 : 00772760  r1 : c0c5bc5c  r0 : c13ce43c
 3367 17:15:08.455896  # [  237.815931] Flags: nzCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
 3368 17:15:08.456330  # [  237.823356] Control: 10c5387d  Table: c50b806a  DAC: 00000051
 3369 17:15:08.456427  # [  237.829386] Process cat (pid: 2508, stack limit = 0x8cc6720f)
 3370 17:15:08.456509  # [  237.835412] Stack: (0xc5fede2c to 0xc5fee000)
 3371 17:15:08.456589  # [  237.840049] de20:                            c0c5bc3c 00772800 c5fedf60 c15ec1e0 c13ce43c
 3372 17:15:08.456671  # [  237.848524] de40: c13ce43c c13ce620 0000002a c5edd000 0000000b c5fedf60 c5fede74 c5fede68
 3373 17:15:08.498941  # [  237.856999] de60: c0c5aecc c13ce5e0 c5fede9c c5fede78 c0c5b3cc c0c5aeac c0c5b2ac c4fc0a00
 3374 17:15:08.499364  # [  237.865473] de80: b6e23000 0000000b c3aa9540 c5fedf60 c5fedec4 c5fedea0 c07e42b0 c0c5b2b8
 3375 17:15:08.499481  # [  237.873947] dea0: 00000000 c4fc0a00 b6e23000 c290d000 c5fedf60 c07e424c c5fedf5c c5fedec8
 3376 17:15:08.499568  # [  237.882423] dec0: c059c068 c07e4258 00000001 00000000 c059c624 c13e3a68 c059c624 c5fec000
 3377 17:15:08.499649  # [  237.890896] dee0: b6e23000 00020000 00000004 0000000b 0001fff5 c5fedee0 00000001 b6e22000
 3378 17:15:08.502234  # [  237.899369] df00: c4fc03c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 3379 17:15:08.542670  # [  237.907842] df20: 00000000 00000000 c13e3a68 02aa6b97 c206c1e0 c4fc0a00 c4fc0a00 c5fec000
 3380 17:15:08.542857  # [  237.916315] df40: b6e23000 00000000 00000000 00000004 c5fedf94 c5fedf60 c059c624 c059bf68
 3381 17:15:08.542952  # [  237.924788] df60: 00000000 00000000 c5fedfac 02aa6b97 0000000b 0000000b 7ff00000 00000004
 3382 17:15:08.543036  # [  237.933263] df80: c03002e4 c5fec000 c5fedfa4 c5fedf98 c059c6b4 c059c5bc 00000000 c5fedfa8
 3383 17:15:08.545608  # [  237.941737] dfa0: c03000c0 c059c6a8 0000000b 0000000b 00000001 b6e23000 0000000b 00000001
 3384 17:15:08.585959  # [  237.950211] dfc0: 0000000b 0000000b 7ff00000 00000004 00000001 b6e23000 00020000 0042fe38
 3385 17:15:08.586119  # [  237.958685] dfe0: 00000004 bed707e8 b6ee933b b6e62616 60080030 00000001 00000000 00000000
 3386 17:15:08.586207  # [  237.967148] Backtrace: 
 3387 17:15:08.586289  # [  237.969879] [<c13ce5d4>] (lkdtm_WRITE_KERN) from [<c0c5aecc>] (lkdtm_do_action+0x2c/0x4c)
 3388 17:15:08.586371  # [  237.978342]  r7:c5fedf60 r6:0000000b r5:c5edd000 r4:0000002a
 3389 17:15:08.586453  # [  237.984284] [<c0c5aea0>] (lkdtm_do_action) from [<c0c5b3cc>] (direct_entry+0x120/0x18c)
 3390 17:15:08.629117  # [  237.992587] [<c0c5b2ac>] (direct_entry) from [<c07e42b0>] (full_proxy_write+0x64/0x94)
 3391 17:15:08.629651  # [  238.000794]  r9:c5fedf60 r8:c3aa9540 r7:0000000b r6:b6e23000 r5:c4fc0a00 r4:c0c5b2ac
 3392 17:15:08.629755  # [  238.008836] [<c07e424c>] (full_proxy_write) from [<c059c068>] (vfs_write+0x10c/0x54c)
 3393 17:15:08.629877  # [  238.016956]  r9:c07e424c r8:c5fedf60 r7:c290d000 r6:b6e23000 r5:c4fc0a00 r4:00000000
 3394 17:15:08.630001  # [  238.024996] [<c059bf5c>] (vfs_write) from [<c059c624>] (ksys_write+0x74/0xec)
 3395 17:15:08.632354  # [  238.032420]  r10:00000004 r9:00000000 r8:00000000 r7:b6e23000 r6:c5fec000 r5:c4fc0a00
 3396 17:15:08.672579  # [  238.040536]  r4:c4fc0a00
 3397 17:15:08.673152  # [  238.043342] [<c059c5b0>] (ksys_write) from [<c059c6b4>] (sys_write+0x18/0x1c)
 3398 17:15:08.673295  # [  238.050766]  r9:c5fec000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000000b r4:0000000b
 3399 17:15:08.673420  # [  238.058806] [<c059c69c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 3400 17:15:08.673543  # [  238.066657] Exception stack(0xc5fedfa8 to 0xc5fedff0)
 3401 17:15:08.675901  # [  238.071992] dfa0:                   0000000b 0000000b 00000001 b6e23000 0000000b 00000001
 3402 17:15:08.720368  # [  238.080468] dfc0: 0000000b 0000000b 7ff00000 00000004 00000001 b6e23000 00020000 0042fe38
 3403 17:15:08.720854  # [  238.088937] dfe0: 00000004 bed707e8 b6ee933b b6e62616
 3404 17:15:08.720993  # [  238.094270] Code: f5d1f05c f5d1f07c e8b151f8 e2522020 (e8a051f8) 
 3405 17:15:08.721117  # [  238.100650] ---[ end trace af413873b24c9d2e ]---
 3406 17:15:08.721240  # WRITE_KERN: missing 'call trace:': [FAIL]
 3407 17:15:08.723499  not ok 41 selftests: lkdtm: WRITE_KERN.sh # exit=1
 3408 17:15:08.723643  # selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh
 3409 17:15:09.152387  <6>[  239.133759] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW
 3410 17:15:09.152660  <6>[  239.138786] lkdtm: attempting good refcount_inc() without overflow
 3411 17:15:09.152789  <6>[  239.145087] lkdtm: attempting bad refcount_inc() overflow
 3412 17:15:09.152914  <4>[  239.151014] ------------[ cut here ]------------
 3413 17:15:09.153036  <4>[  239.155689] WARNING: CPU: 1 PID: 2584 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174
 3414 17:15:09.153159  <4>[  239.164500] refcount_t: saturated; leaking memory.
 3415 17:15:09.195861  <4>[  239.169550] Modules linked in: fuse ip_tables x_tables snd_soc_hdmi_codec stm32_adc stm32_timer_trigger stm32_lptimer_trigger snd_soc_audio_graph_card snd_soc_simple_card_utils snd_soc_stm32_sai_sub snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore adv7511 brcmfmac stm_drm sha256_generic etnaviv sha256_arm gpu_sched hci_uart btbcm cfg80211 bluetooth brcmutil ecdh_generic ecc libaes snd_soc_stm32_sai stm32_adc_core
 3416 17:15:09.198786  <4>[  239.208603] CPU: 1 PID: 2584 Comm: cat Tainted: G      D W         5.10.220-cip49 #1
 3417 17:15:09.238766  <4>[  239.216561] Hardware name: STM32 (Device Tree Support)
 3418 17:15:09.239183  <4>[  239.221978] Backtrace: 
 3419 17:15:09.239319  <4>[  239.224707] [<c13c07f0>] (dump_backtrace) from [<c13c0bb0>] (show_stack+0x20/0x24)
 3420 17:15:09.239443  <4>[  239.232559]  r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d018
 3421 17:15:09.239575  <4>[  239.238503] [<c13c0b90>] (show_stack) from [<c13c7e4c>] (dump_stack+0xe0/0x100)
 3422 17:15:09.239700  <4>[  239.246104] [<c13c7d6c>] (dump_stack) from [<c03567c0>] (__warn+0x98/0x14c)
 3423 17:15:09.242395  <4>[  239.253351]  r9:00000009 r8:c0877878 r7:00000016 r6:00000009 r5:c0877878 r4:c1a2b698
 3424 17:15:09.282343  <4>[  239.261390] [<c0356728>] (__warn) from [<c13c1cf0>] (warn_slowpath_fmt+0x8c/0xa8)
 3425 17:15:09.282560  <4>[  239.269162]  r7:00000016 r6:c1a2b698 r5:c1a2b670 r4:c5832000
 3426 17:15:09.282690  <4>[  239.275108] [<c13c1c68>] (warn_slowpath_fmt) from [<c0877878>] (refcount_warn_saturate+0xd4/0x174)
 3427 17:15:09.282838  <4>[  239.284368]  r9:c1ad7740 r8:c15ec1e0 r7:c5833f60 r6:00000016 r5:c5ec5000 r4:c5832000
 3428 17:15:09.285629  <4>[  239.292410] [<c08777a4>] (refcount_warn_saturate) from [<c0c5bf50>] (__refcount_add.constprop.0+0x44/0x58)
 3429 17:15:09.325702  <4>[  239.302371] [<c0c5bf0c>] (__refcount_add.constprop.0) from [<c13cea50>] (lkdtm_REFCOUNT_INC_OVERFLOW+0x78/0x9c)
 3430 17:15:09.325932  <4>[  239.312765] [<c13ce9d8>] (lkdtm_REFCOUNT_INC_OVERFLOW) from [<c0c5aecc>] (lkdtm_do_action+0x2c/0x4c)
 3431 17:15:09.326062  <4>[  239.322189]  r4:0000002b
 3432 17:15:09.326185  <4>[  239.324994] [<c0c5aea0>] (lkdtm_do_action) from [<c0c5b3cc>] (direct_entry+0x120/0x18c)
 3433 17:15:09.326308  <4>[  239.333298] [<c0c5b2ac>] (direct_entry) from [<c07e42b0>] (full_proxy_write+0x64/0x94)
 3434 17:15:09.368798  <4>[  239.341506]  r9:c5833f60 r8:c3aa9540 r7:00000016 r6:b6dc7000 r5:c59fc000 r4:c0c5b2ac
 3435 17:15:09.369158  <4>[  239.349549] [<c07e424c>] (full_proxy_write) from [<c059c068>] (vfs_write+0x10c/0x54c)
 3436 17:15:09.369265  <4>[  239.357669]  r9:c07e424c r8:c5833f60 r7:c290d000 r6:b6dc7000 r5:c59fc000 r4:00000000
 3437 17:15:09.369353  <4>[  239.365710] [<c059bf5c>] (vfs_write) from [<c059c624>] (ksys_write+0x74/0xec)
 3438 17:15:09.369473  <4>[  239.373134]  r10:00000004 r9:00000000 r8:00000000 r7:b6dc7000 r6:c5832000 r5:c59fc000
 3439 17:15:09.369565  <4>[  239.381250]  r4:c59fc000
 3440 17:15:09.372340  <4>[  239.384057] [<c059c5b0>] (ksys_write) from [<c059c6b4>] (sys_write+0x18/0x1c)
 3441 17:15:09.412344  <4>[  239.391482]  r9:c5832000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000016 r4:00000016
 3442 17:15:09.412535  <4>[  239.399524] [<c059c69c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 3443 17:15:09.412665  <4>[  239.407378] Exception stack(0xc5833fa8 to 0xc5833ff0)
 3444 17:15:09.412788  <4>[  239.412714] 3fa0:                   00000016 00000016 00000001 b6dc7000 00000016 00000001
 3445 17:15:09.412911  <4>[  239.421190] 3fc0: 00000016 00000016 7ff00000 00000004 00000001 b6dc7000 00020000 004ffe38
 3446 17:15:09.415541  <4>[  239.429659] 3fe0: 00000004 be8237e8 b6e8d33b b6e06616
 3447 17:15:09.465408  <4>[  239.435079] irq event stamp: 0
 3448 17:15:09.465900  <4>[  239.438406] hardirqs last  enabled at (0): [<00000000>] 0x0
 3449 17:15:09.466039  <4>[  239.444181] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac
 3450 17:15:09.466164  <4>[  239.452066] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac
 3451 17:15:09.466289  <4>[  239.459866] softirqs last disabled at (0): [<00000000>] 0x0
 3452 17:15:09.466412  <4>[  239.465633] ---[ end trace af413873b24c9d2f ]---
 3453 17:15:09.468611  <6>[  239.470566] lkdtm: Overflow detected: saturated
 3454 17:15:09.848657  # [  239.133759] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW
 3455 17:15:09.848932  # [  239.138786] lkdtm: attempting good refcount_inc() without overflow
 3456 17:15:09.849060  # [  239.145087] lkdtm: attempting bad refcount_inc() overflow
 3457 17:15:09.849183  # [  239.151014] ------------[ cut here ]------------
 3458 17:15:09.849305  # [  239.155689] WARNING: CPU: 1 PID: 2584 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174
 3459 17:15:09.849428  # [  239.164500] refcount_t: saturated; leaking memory.
 3460 17:15:09.892204  # [  239.169550] Modules linked in: fuse ip_tables x_tables snd_soc_hdmi_codec stm32_adc stm32_timer_trigger stm32_lptimer_trigger snd_soc_audio_graph_card snd_soc_simple_card_utils snd_soc_stm32_sai_sub snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore adv7511 brcmfmac stm_drm sha256_generic etnaviv sha256_arm gpu_sched hci_uart btbcm cfg80211 bluetooth brcmutil ecdh_generic ecc libaes snd_soc_stm32_sai stm32_adc_core
 3461 17:15:09.895225  # [  239.208603] CPU: 1 PID: 2584 Comm: cat Tainted: G      D W         5.10.220-cip49 #1
 3462 17:15:09.935351  # [  239.216561] Hardware name: STM32 (Device Tree Support)
 3463 17:15:09.935603  # [  239.221978] Backtrace: 
 3464 17:15:09.935956  # [  239.224707] [<c13c07f0>] (dump_backtrace) from [<c13c0bb0>] (show_stack+0x20/0x24)
 3465 17:15:09.936091  # [  239.232559]  r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d018
 3466 17:15:09.936215  # [  239.238503] [<c13c0b90>] (show_stack) from [<c13c7e4c>] (dump_stack+0xe0/0x100)
 3467 17:15:09.936339  # [  239.246104] [<c13c7d6c>] (dump_stack) from [<c03567c0>] (__warn+0x98/0x14c)
 3468 17:15:09.938800  # [  239.253351]  r9:00000009 r8:c0877878 r7:00000016 r6:00000009 r5:c0877878 r4:c1a2b698
 3469 17:15:09.978694  # [  239.261390] [<c0356728>] (__warn) from [<c13c1cf0>] (warn_slowpath_fmt+0x8c/0xa8)
 3470 17:15:09.979093  # [  239.269162]  r7:00000016 r6:c1a2b698 r5:c1a2b670 r4:c5832000
 3471 17:15:09.979191  # [  239.275108] [<c13c1c68>] (warn_slowpath_fmt) from [<c0877878>] (refcount_warn_saturate+0xd4/0x174)
 3472 17:15:09.979277  # [  239.284368]  r9:c1ad7740 r8:c15ec1e0 r7:c5833f60 r6:00000016 r5:c5ec5000 r4:c5832000
 3473 17:15:09.979361  # [  239.292410] [<c08777a4>] (refcount_warn_saturate) from [<c0c5bf50>] (__refcount_add.constprop.0+0x44/0x58)
 3474 17:15:10.021725  # [  239.302371] [<c0c5bf0c>] (__refcount_add.constprop.0) from [<c13cea50>] (lkdtm_REFCOUNT_INC_OVERFLOW+0x78/0x9c)
 3475 17:15:10.022185  # [  239.312765] [<c13ce9d8>] (lkdtm_REFCOUNT_INC_OVERFLOW) from [<c0c5aecc>] (lkdtm_do_action+0x2c/0x4c)
 3476 17:15:10.022297  # [  239.322189]  r4:0000002b
 3477 17:15:10.022381  # [  239.324994] [<c0c5aea0>] (lkdtm_do_action) from [<c0c5b3cc>] (direct_entry+0x120/0x18c)
 3478 17:15:10.022463  # [  239.333298] [<c0c5b2ac>] (direct_entry) from [<c07e42b0>] (full_proxy_write+0x64/0x94)
 3479 17:15:10.025087  # [  239.341506]  r9:c5833f60 r8:c3aa9540 r7:00000016 r6:b6dc7000 r5:c59fc000 r4:c0c5b2ac
 3480 17:15:10.065430  # [  239.349549] [<c07e424c>] (full_proxy_write) from [<c059c068>] (vfs_write+0x10c/0x54c)
 3481 17:15:10.065595  # [  239.357669]  r9:c07e424c r8:c5833f60 r7:c290d000 r6:b6dc7000 r5:c59fc000 r4:00000000
 3482 17:15:10.065723  # [  239.365710] [<c059bf5c>] (vfs_write) from [<c059c624>] (ksys_write+0x74/0xec)
 3483 17:15:10.065848  # [  239.373134]  r10:00000004 r9:00000000 r8:00000000 r7:b6dc7000 r6:c5832000 r5:c59fc000
 3484 17:15:10.065971  # [  239.381250]  r4:c59fc000
 3485 17:15:10.068448  # [  239.384057] [<c059c5b0>] (ksys_write) from [<c059c6b4>] (sys_write+0x18/0x1c)
 3486 17:15:10.108531  # [  239.391482]  r9:c5832000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000016 r4:00000016
 3487 17:15:10.108921  # [  239.399524] [<c059c69c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 3488 17:15:10.109059  # [  239.407378] Exception stack(0xc5833fa8 to 0xc5833ff0)
 3489 17:15:10.109152  # [  239.412714] 3fa0:                   00000016 00000016 00000001 b6dc7000 00000016 00000001
 3490 17:15:10.109270  # [  239.421190] 3fc0: 00000016 00000016 7ff00000 00000004 00000001 b6dc7000 00020000 004ffe38
 3491 17:15:10.111739  # [  239.429659] 3fe0: 00000004 be8237e8 b6e8d33b b6e06616
 3492 17:15:10.111844  # [  239.435079] irq event stamp: 0
 3493 17:15:10.151808  # [  239.438406] hardirqs last  enabled at (0): [<00000000>] 0x0
 3494 17:15:10.152178  # [  239.444181] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac
 3495 17:15:10.152273  # [  239.452066] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac
 3496 17:15:10.152355  # [  239.459866] softirqs last disabled at (0): [<00000000>] 0x0
 3497 17:15:10.152442  # [  239.465633] ---[ end trace af413873b24c9d2f ]---
 3498 17:15:10.152523  # [  239.470566] lkdtm: Overflow detected: saturated
 3499 17:15:10.155031  # REFCOUNT_INC_OVERFLOW: missing 'call trace:': [FAIL]
 3500 17:15:10.172216  not ok 42 selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # exit=1
 3501 17:15:10.175315  # selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh
 3502 17:15:10.487464  <6>[  240.464636] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW
 3503 17:15:10.487848  <6>[  240.469631] lkdtm: attempting good refcount_add() without overflow
 3504 17:15:10.487946  <6>[  240.475961] lkdtm: attempting bad refcount_add() overflow
 3505 17:15:10.488031  <4>[  240.481773] ------------[ cut here ]------------
 3506 17:15:10.488114  <4>[  240.486559] WARNING: CPU: 0 PID: 2619 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174
 3507 17:15:10.488197  <4>[  240.495342] refcount_t: saturated; leaking memory.
 3508 17:15:10.531067  <4>[  240.500398] Modules linked in: fuse ip_tables x_tables snd_soc_hdmi_codec stm32_adc stm32_timer_trigger stm32_lptimer_trigger snd_soc_audio_graph_card snd_soc_simple_card_utils snd_soc_stm32_sai_sub snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore adv7511 brcmfmac stm_drm sha256_generic etnaviv sha256_arm gpu_sched hci_uart btbcm cfg80211 bluetooth brcmutil ecdh_generic ecc libaes snd_soc_stm32_sai stm32_adc_core
 3509 17:15:10.531224  <4>[  240.539468] CPU: 0 PID: 2619 Comm: cat Tainted: G      D W         5.10.220-cip49 #1
 3510 17:15:10.534034  <4>[  240.547416] Hardware name: STM32 (Device Tree Support)
 3511 17:15:10.574158  <4>[  240.552831] Backtrace: 
 3512 17:15:10.574619  <4>[  240.555558] [<c13c07f0>] (dump_backtrace) from [<c13c0bb0>] (show_stack+0x20/0x24)
 3513 17:15:10.574729  <4>[  240.563410]  r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d018
 3514 17:15:10.574818  <4>[  240.569353] [<c13c0b90>] (show_stack) from [<c13c7e4c>] (dump_stack+0xe0/0x100)
 3515 17:15:10.574901  <4>[  240.576954] [<c13c7d6c>] (dump_stack) from [<c03567c0>] (__warn+0x98/0x14c)
 3516 17:15:10.574984  <4>[  240.584200]  r9:00000009 r8:c0877878 r7:00000016 r6:00000009 r5:c0877878 r4:c1a2b698
 3517 17:15:10.617486  <4>[  240.592239] [<c0356728>] (__warn) from [<c13c1cf0>] (warn_slowpath_fmt+0x8c/0xa8)
 3518 17:15:10.617857  <4>[  240.600010]  r7:00000016 r6:c1a2b698 r5:c1a2b670 r4:c5d88000
 3519 17:15:10.617953  <4>[  240.605955] [<c13c1c68>] (warn_slowpath_fmt) from [<c0877878>] (refcount_warn_saturate+0xd4/0x174)
 3520 17:15:10.618037  <4>[  240.615214]  r9:c1ad7758 r8:c15ec1e0 r7:c5d89f60 r6:00000016 r5:c5edd000 r4:c5d88000
 3521 17:15:10.618119  <4>[  240.623256] [<c08777a4>] (refcount_warn_saturate) from [<c0c5bf50>] (__refcount_add.constprop.0+0x44/0x58)
 3522 17:15:10.660761  <4>[  240.633215] [<c0c5bf0c>] (__refcount_add.constprop.0) from [<c13ceaf8>] (lkdtm_REFCOUNT_ADD_OVERFLOW+0x84/0xa8)
 3523 17:15:10.661189  <4>[  240.643609] [<c13cea74>] (lkdtm_REFCOUNT_ADD_OVERFLOW) from [<c0c5aecc>] (lkdtm_do_action+0x2c/0x4c)
 3524 17:15:10.661292  <4>[  240.653032]  r4:0000002c
 3525 17:15:10.661381  <4>[  240.655837] [<c0c5aea0>] (lkdtm_do_action) from [<c0c5b3cc>] (direct_entry+0x120/0x18c)
 3526 17:15:10.661464  <4>[  240.664142] [<c0c5b2ac>] (direct_entry) from [<c07e42b0>] (full_proxy_write+0x64/0x94)
 3527 17:15:10.661545  <4>[  240.672351]  r9:c5d89f60 r8:c3aa9540 r7:00000016 r6:b6da8000 r5:c2985dc0 r4:c0c5b2ac
 3528 17:15:10.704128  <4>[  240.680393] [<c07e424c>] (full_proxy_write) from [<c059c068>] (vfs_write+0x10c/0x54c)
 3529 17:15:10.704499  <4>[  240.688513]  r9:c07e424c r8:c5d89f60 r7:c290d000 r6:b6da8000 r5:c2985dc0 r4:00000000
 3530 17:15:10.704637  <4>[  240.696554] [<c059bf5c>] (vfs_write) from [<c059c624>] (ksys_write+0x74/0xec)
 3531 17:15:10.704764  <4>[  240.703978]  r10:00000004 r9:00000000 r8:00000000 r7:b6da8000 r6:c5d88000 r5:c2985dc0
 3532 17:15:10.704886  <4>[  240.712093]  r4:c2985dc0
 3533 17:15:10.705008  <4>[  240.714900] [<c059c5b0>] (ksys_write) from [<c059c6b4>] (sys_write+0x18/0x1c)
 3534 17:15:10.747410  <4>[  240.722324]  r9:c5d88000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000016 r4:00000016
 3535 17:15:10.747875  <4>[  240.730365] [<c059c69c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 3536 17:15:10.748015  <4>[  240.738218] Exception stack(0xc5d89fa8 to 0xc5d89ff0)
 3537 17:15:10.748151  <4>[  240.743552] 9fa0:                   00000016 00000016 00000001 b6da8000 00000016 00000001
 3538 17:15:10.748306  <4>[  240.752028] 9fc0: 00000016 00000016 7ff00000 00000004 00000001 b6da8000 00020000 0045fe38
 3539 17:15:10.748434  <4>[  240.760497] 9fe0: 00000004 beee27e8 b6e6e33b b6de7616
 3540 17:15:10.750510  <4>[  240.765921] irq event stamp: 0
 3541 17:15:10.795284  <4>[  240.769225] hardirqs last  enabled at (0): [<00000000>] 0x0
 3542 17:15:10.795687  <4>[  240.775018] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac
 3543 17:15:10.795789  <4>[  240.782912] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac
 3544 17:15:10.795878  <4>[  240.790707] softirqs last disabled at (0): [<00000000>] 0x0
 3545 17:15:10.795963  <4>[  240.796415] ---[ end trace af413873b24c9d30 ]---
 3546 17:15:10.798419  <6>[  240.801363] lkdtm: Overflow detected: saturated
 3547 17:15:11.295781  # [  240.464636] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW
 3548 17:15:11.295954  # [  240.469631] lkdtm: attempting good refcount_add() without overflow
 3549 17:15:11.296046  # [  240.475961] lkdtm: attempting bad refcount_add() overflow
 3550 17:15:11.296132  # [  240.481773] ------------[ cut here ]------------
 3551 17:15:11.296216  # [  240.486559] WARNING: CPU: 0 PID: 2619 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174
 3552 17:15:11.296301  # [  240.495342] refcount_t: saturated; leaking memory.
 3553 17:15:11.339322  # [  240.500398] Modules linked in: fuse ip_tables x_tables snd_soc_hdmi_codec stm32_adc stm32_timer_trigger stm32_lptimer_trigger snd_soc_audio_graph_card snd_soc_simple_card_utils snd_soc_stm32_sai_sub snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore adv7511 brcmfmac stm_drm sha256_generic etnaviv sha256_arm gpu_sched hci_uart btbcm cfg80211 bluetooth brcmutil ecdh_generic ecc libaes snd_soc_stm32_sai stm32_adc_core
 3554 17:15:11.342606  # [  240.539468] CPU: 0 PID: 2619 Comm: cat Tainted: G      D W         5.10.220-cip49 #1
 3555 17:15:11.382501  # [  240.547416] Hardware name: STM32 (Device Tree Support)
 3556 17:15:11.382743  # [  240.552831] Backtrace: 
 3557 17:15:11.383059  # [  240.555558] [<c13c07f0>] (dump_backtrace) from [<c13c0bb0>] (show_stack+0x20/0x24)
 3558 17:15:11.383151  # [  240.563410]  r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d018
 3559 17:15:11.383234  # [  240.569353] [<c13c0b90>] (show_stack) from [<c13c7e4c>] (dump_stack+0xe0/0x100)
 3560 17:15:11.383316  # [  240.576954] [<c13c7d6c>] (dump_stack) from [<c03567c0>] (__warn+0x98/0x14c)
 3561 17:15:11.385910  # [  240.584200]  r9:00000009 r8:c0877878 r7:00000016 r6:00000009 r5:c0877878 r4:c1a2b698
 3562 17:15:11.425450  # [  240.592239] [<c0356728>] (__warn) from [<c13c1cf0>] (warn_slowpath_fmt+0x8c/0xa8)
 3563 17:15:11.425801  # [  240.600010]  r7:00000016 r6:c1a2b698 r5:c1a2b670 r4:c5d88000
 3564 17:15:11.425896  # [  240.605955] [<c13c1c68>] (warn_slowpath_fmt) from [<c0877878>] (refcount_warn_saturate+0xd4/0x174)
 3565 17:15:11.425980  # [  240.615214]  r9:c1ad7758 r8:c15ec1e0 r7:c5d89f60 r6:00000016 r5:c5edd000 r4:c5d88000
 3566 17:15:11.426061  # [  240.623256] [<c08777a4>] (refcount_warn_saturate) from [<c0c5bf50>] (__refcount_add.constprop.0+0x44/0x58)
 3567 17:15:11.468730  # [  240.633215] [<c0c5bf0c>] (__refcount_add.constprop.0) from [<c13ceaf8>] (lkdtm_REFCOUNT_ADD_OVERFLOW+0x84/0xa8)
 3568 17:15:11.469131  # [  240.643609] [<c13cea74>] (lkdtm_REFCOUNT_ADD_OVERFLOW) from [<c0c5aecc>] (lkdtm_do_action+0x2c/0x4c)
 3569 17:15:11.469232  # [  240.653032]  r4:0000002c
 3570 17:15:11.469314  # [  240.655837] [<c0c5aea0>] (lkdtm_do_action) from [<c0c5b3cc>] (direct_entry+0x120/0x18c)
 3571 17:15:11.469397  # [  240.664142] [<c0c5b2ac>] (direct_entry) from [<c07e42b0>] (full_proxy_write+0x64/0x94)
 3572 17:15:11.471932  # [  240.672351]  r9:c5d89f60 r8:c3aa9540 r7:00000016 r6:b6da8000 r5:c2985dc0 r4:c0c5b2ac
 3573 17:15:11.512232  # [  240.680393] [<c07e424c>] (full_proxy_write) from [<c059c068>] (vfs_write+0x10c/0x54c)
 3574 17:15:11.512458  # [  240.688513]  r9:c07e424c r8:c5d89f60 r7:c290d000 r6:b6da8000 r5:c2985dc0 r4:00000000
 3575 17:15:11.512554  # [  240.696554] [<c059bf5c>] (vfs_write) from [<c059c624>] (ksys_write+0x74/0xec)
 3576 17:15:11.512673  # [  240.703978]  r10:00000004 r9:00000000 r8:00000000 r7:b6da8000 r6:c5d88000 r5:c2985dc0
 3577 17:15:11.512764  # [  240.712093]  r4:c2985dc0
 3578 17:15:11.515105  # [  240.714900] [<c059c5b0>] (ksys_write) from [<c059c6b4>] (sys_write+0x18/0x1c)
 3579 17:15:11.555351  # [  240.722324]  r9:c5d88000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000016 r4:00000016
 3580 17:15:11.555713  # [  240.730365] [<c059c69c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 3581 17:15:11.555824  # [  240.738218] Exception stack(0xc5d89fa8 to 0xc5d89ff0)
 3582 17:15:11.555911  # [  240.743552] 9fa0:                   00000016 00000016 00000001 b6da8000 00000016 00000001
 3583 17:15:11.555994  # [  240.752028] 9fc0: 00000016 00000016 7ff00000 00000004 00000001 b6da8000 00020000 0045fe38
 3584 17:15:11.558542  # [  240.760497] 9fe0: 00000004 beee27e8 b6e6e33b b6de7616
 3585 17:15:11.558644  # [  240.765921] irq event stamp: 0
 3586 17:15:11.598714  # [  240.769225] hardirqs last  enabled at (0): [<00000000>] 0x0
 3587 17:15:11.599085  # [  240.775018] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac
 3588 17:15:11.599182  # [  240.782912] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac
 3589 17:15:11.599265  # [  240.790707] softirqs last disabled at (0): [<00000000>] 0x0
 3590 17:15:11.599345  # [  240.796415] ---[ end trace af413873b24c9d30 ]---
 3591 17:15:11.599426  # [  240.801363] lkdtm: Overflow detected: saturated
 3592 17:15:11.601840  # REFCOUNT_ADD_OVERFLOW: missing 'call trace:': [FAIL]
 3593 17:15:11.619293  not ok 43 selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh # exit=1
 3594 17:15:11.622413  # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh
 3595 17:15:11.966881  <6>[  241.946321] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW
 3596 17:15:11.967351  <6>[  241.952099] lkdtm: attempting bad refcount_inc_not_zero() overflow
 3597 17:15:11.967466  <4>[  241.958563] ------------[ cut here ]------------
 3598 17:15:11.967557  <4>[  241.963357] WARNING: CPU: 0 PID: 2654 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174
 3599 17:15:11.967640  <4>[  241.972135] refcount_t: saturated; leaking memory.
 3600 17:15:12.010123  <4>[  241.977133] Modules linked in: fuse ip_tables x_tables snd_soc_hdmi_codec stm32_adc stm32_timer_trigger stm32_lptimer_trigger snd_soc_audio_graph_card snd_soc_simple_card_utils snd_soc_stm32_sai_sub snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore adv7511 brcmfmac stm_drm sha256_generic etnaviv sha256_arm gpu_sched hci_uart btbcm cfg80211 bluetooth brcmutil ecdh_generic ecc libaes snd_soc_stm32_sai stm32_adc_core
 3601 17:15:12.010273  <4>[  242.016266] CPU: 0 PID: 2654 Comm: cat Tainted: G      D W         5.10.220-cip49 #1
 3602 17:15:12.010363  <4>[  242.024221] Hardware name: STM32 (Device Tree Support)
 3603 17:15:12.013081  <4>[  242.029638] Backtrace: 
 3604 17:15:12.053834  <4>[  242.032365] [<c13c07f0>] (dump_backtrace) from [<c13c0bb0>] (show_stack+0x20/0x24)
 3605 17:15:12.053993  <4>[  242.040216]  r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d018
 3606 17:15:12.054082  <4>[  242.046160] [<c13c0b90>] (show_stack) from [<c13c7e4c>] (dump_stack+0xe0/0x100)
 3607 17:15:12.054164  <4>[  242.053763] [<c13c7d6c>] (dump_stack) from [<c03567c0>] (__warn+0x98/0x14c)
 3608 17:15:12.054246  <4>[  242.061009]  r9:00000009 r8:c0877844 r7:00000013 r6:00000009 r5:c0877844 r4:c1a2b698
 3609 17:15:12.056920  <4>[  242.069047] [<c0356728>] (__warn) from [<c13c1cf0>] (warn_slowpath_fmt+0x8c/0xa8)
 3610 17:15:12.096935  <4>[  242.076816]  r7:00000013 r6:c1a2b698 r5:c1a2b670 r4:c5848000
 3611 17:15:12.097315  <4>[  242.082763] [<c13c1c68>] (warn_slowpath_fmt) from [<c0877844>] (refcount_warn_saturate+0xa0/0x174)
 3612 17:15:12.097414  <4>[  242.092020]  r9:c1ad7770 r8:c15ec1e0 r7:c5849f60 r6:0000001f r5:c4f12000 r4:7fffffff
 3613 17:15:12.097500  <4>[  242.100062] [<c08777a4>] (refcount_warn_saturate) from [<c13ce9c4>] (__refcount_add_not_zero.constprop.0+0x64/0x78)
 3614 17:15:12.140242  <4>[  242.110807] [<c13ce960>] (__refcount_add_not_zero.constprop.0) from [<c13ceb6c>] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x50/0x88)
 3615 17:15:12.140611  <4>[  242.122765]  r5:c4f12000 r4:c5848000
 3616 17:15:12.140747  <4>[  242.126620] [<c13ceb1c>] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW) from [<c0c5aecc>] (lkdtm_do_action+0x2c/0x4c)
 3617 17:15:12.140875  <4>[  242.136827]  r4:0000002d
 3618 17:15:12.140996  <4>[  242.139631] [<c0c5aea0>] (lkdtm_do_action) from [<c0c5b3cc>] (direct_entry+0x120/0x18c)
 3619 17:15:12.141118  <4>[  242.147934] [<c0c5b2ac>] (direct_entry) from [<c07e42b0>] (full_proxy_write+0x64/0x94)
 3620 17:15:12.183596  <4>[  242.156142]  r9:c5849f60 r8:c3aa9540 r7:0000001f r6:b6def000 r5:c5958000 r4:c0c5b2ac
 3621 17:15:12.184048  <4>[  242.164185] [<c07e424c>] (full_proxy_write) from [<c059c068>] (vfs_write+0x10c/0x54c)
 3622 17:15:12.184194  <4>[  242.172303]  r9:c07e424c r8:c5849f60 r7:c290d000 r6:b6def000 r5:c5958000 r4:00000000
 3623 17:15:12.184291  <4>[  242.180343] [<c059bf5c>] (vfs_write) from [<c059c624>] (ksys_write+0x74/0xec)
 3624 17:15:12.184409  <4>[  242.187767]  r10:00000004 r9:00000000 r8:00000000 r7:b6def000 r6:c5848000 r5:c5958000
 3625 17:15:12.184498  <4>[  242.195882]  r4:c5958000
 3626 17:15:12.186786  <4>[  242.198689] [<c059c5b0>] (ksys_write) from [<c059c6b4>] (sys_write+0x18/0x1c)
 3627 17:15:12.227112  <4>[  242.206112]  r9:c5848000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000001f r4:0000001f
 3628 17:15:12.227243  <4>[  242.214151] [<c059c69c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 3629 17:15:12.227330  <4>[  242.222002] Exception stack(0xc5849fa8 to 0xc5849ff0)
 3630 17:15:12.227417  <4>[  242.227338] 9fa0:                   0000001f 0000001f 00000001 b6def000 0000001f 00000001
 3631 17:15:12.227510  <4>[  242.235814] 9fc0: 0000001f 0000001f 7ff00000 00000004 00000001 b6def000 00020000 004ffe38
 3632 17:15:12.230158  <4>[  242.244283] 9fe0: 00000004 befb17e8 b6eb533b b6e2e616
 3633 17:15:12.280615  <4>[  242.249710] irq event stamp: 0
 3634 17:15:12.281115  <4>[  242.252964] hardirqs last  enabled at (0): [<00000000>] 0x0
 3635 17:15:12.281250  <4>[  242.258879] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac
 3636 17:15:12.281373  <4>[  242.266624] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac
 3637 17:15:12.281496  <4>[  242.274469] softirqs last disabled at (0): [<00000000>] 0x0
 3638 17:15:12.281615  <4>[  242.280297] ---[ end trace af413873b24c9d31 ]---
 3639 17:15:12.283917  <6>[  242.285088] lkdtm: Overflow detected: saturated
 3640 17:15:12.635684  # [  241.946321] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW
 3641 17:15:12.635856  # [  241.952099] lkdtm: attempting bad refcount_inc_not_zero() overflow
 3642 17:15:12.635949  # [  241.958563] ------------[ cut here ]------------
 3643 17:15:12.636040  # [  241.963357] WARNING: CPU: 0 PID: 2654 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174
 3644 17:15:12.636129  # [  241.972135] refcount_t: saturated; leaking memory.
 3645 17:15:12.679059  # [  241.977133] Modules linked in: fuse ip_tables x_tables snd_soc_hdmi_codec stm32_adc stm32_timer_trigger stm32_lptimer_trigger snd_soc_audio_graph_card snd_soc_simple_card_utils snd_soc_stm32_sai_sub snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore adv7511 brcmfmac stm_drm sha256_generic etnaviv sha256_arm gpu_sched hci_uart btbcm cfg80211 bluetooth brcmutil ecdh_generic ecc libaes snd_soc_stm32_sai stm32_adc_core
 3646 17:15:12.679279  # [  242.016266] CPU: 0 PID: 2654 Comm: cat Tainted: G      D W         5.10.220-cip49 #1
 3647 17:15:12.682041  # [  242.024221] Hardware name: STM32 (Device Tree Support)
 3648 17:15:12.682147  # [  242.029638] Backtrace: 
 3649 17:15:12.722607  # [  242.032365] [<c13c07f0>] (dump_backtrace) from [<c13c0bb0>] (show_stack+0x20/0x24)
 3650 17:15:12.722772  # [  242.040216]  r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d018
 3651 17:15:12.722859  # [  242.046160] [<c13c0b90>] (show_stack) from [<c13c7e4c>] (dump_stack+0xe0/0x100)
 3652 17:15:12.722941  # [  242.053763] [<c13c7d6c>] (dump_stack) from [<c03567c0>] (__warn+0x98/0x14c)
 3653 17:15:12.723023  # [  242.061009]  r9:00000009 r8:c0877844 r7:00000013 r6:00000009 r5:c0877844 r4:c1a2b698
 3654 17:15:12.765438  # [  242.069047] [<c0356728>] (__warn) from [<c13c1cf0>] (warn_slowpath_fmt+0x8c/0xa8)
 3655 17:15:12.765831  # [  242.076816]  r7:00000013 r6:c1a2b698 r5:c1a2b670 r4:c5848000
 3656 17:15:12.765928  # [  242.082763] [<c13c1c68>] (warn_slowpath_fmt) from [<c0877844>] (refcount_warn_saturate+0xa0/0x174)
 3657 17:15:12.766014  # [  242.092020]  r9:c1ad7770 r8:c15ec1e0 r7:c5849f60 r6:0000001f r5:c4f12000 r4:7fffffff
 3658 17:15:12.766097  # [  242.100062] [<c08777a4>] (refcount_warn_saturate) from [<c13ce9c4>] (__refcount_add_not_zero.constprop.0+0x64/0x78)
 3659 17:15:12.808760  # [  242.110807] [<c13ce960>] (__refcount_add_not_zero.constprop.0) from [<c13ceb6c>] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x50/0x88)
 3660 17:15:12.809129  # [  242.122765]  r5:c4f12000 r4:c5848000
 3661 17:15:12.809230  # [  242.126620] [<c13ceb1c>] (lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW) from [<c0c5aecc>] (lkdtm_do_action+0x2c/0x4c)
 3662 17:15:12.809312  # [  242.136827]  r4:0000002d
 3663 17:15:12.809391  # [  242.139631] [<c0c5aea0>] (lkdtm_do_action) from [<c0c5b3cc>] (direct_entry+0x120/0x18c)
 3664 17:15:12.809480  # [  242.147934] [<c0c5b2ac>] (direct_entry) from [<c07e42b0>] (full_proxy_write+0x64/0x94)
 3665 17:15:12.852163  # [  242.156142]  r9:c5849f60 r8:c3aa9540 r7:0000001f r6:b6def000 r5:c5958000 r4:c0c5b2ac
 3666 17:15:12.852553  # [  242.164185] [<c07e424c>] (full_proxy_write) from [<c059c068>] (vfs_write+0x10c/0x54c)
 3667 17:15:12.852655  # [  242.172303]  r9:c07e424c r8:c5849f60 r7:c290d000 r6:b6def000 r5:c5958000 r4:00000000
 3668 17:15:12.852737  # [  242.180343] [<c059bf5c>] (vfs_write) from [<c059c624>] (ksys_write+0x74/0xec)
 3669 17:15:12.852817  # [  242.187767]  r10:00000004 r9:00000000 r8:00000000 r7:b6def000 r6:c5848000 r5:c5958000
 3670 17:15:12.852896  # [  242.195882]  r4:c5958000
 3671 17:15:12.855306  # [  242.198689] [<c059c5b0>] (ksys_write) from [<c059c6b4>] (sys_write+0x18/0x1c)
 3672 17:15:12.895636  # [  242.206112]  r9:c5848000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000001f r4:0000001f
 3673 17:15:12.895809  # [  242.214151] [<c059c69c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 3674 17:15:12.895892  # [  242.222002] Exception stack(0xc5849fa8 to 0xc5849ff0)
 3675 17:15:12.895972  # [  242.227338] 9fa0:                   0000001f 0000001f 00000001 b6def000 0000001f 00000001
 3676 17:15:12.896052  # [  242.235814] 9fc0: 0000001f 0000001f 7ff00000 00000004 00000001 b6def000 00020000 004ffe38
 3677 17:15:12.898545  # [  242.244283] 9fe0: 00000004 befb17e8 b6eb533b b6e2e616
 3678 17:15:12.938967  # [  242.249710] irq event stamp: 0
 3679 17:15:12.939359  # [  242.252964] hardirqs last  enabled at (0): [<00000000>] 0x0
 3680 17:15:12.939457  # [  242.258879] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac
 3681 17:15:12.939541  # [  242.266624] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac
 3682 17:15:12.939620  # [  242.274469] softirqs last disabled at (0): [<00000000>] 0x0
 3683 17:15:12.939698  # [  242.280297] ---[ end trace af413873b24c9d31 ]---
 3684 17:15:12.939776  # [  242.285088] lkdtm: Overflow detected: saturated
 3685 17:15:12.965319  # REFCOUNT_INC_NOT_ZERO_OVERFLOW: missing 'call trace:': [FAIL]
 3686 17:15:12.965716  not ok 44 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh # exit=1
 3687 17:15:12.965810  # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh
 3688 17:15:13.331762  <6>[  243.313195] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW
 3689 17:15:13.331938  <6>[  243.319002] lkdtm: attempting bad refcount_add_not_zero() overflow
 3690 17:15:13.332027  <4>[  243.325305] ------------[ cut here ]------------
 3691 17:15:13.332110  <4>[  243.330393] WARNING: CPU: 0 PID: 2689 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174
 3692 17:15:13.332249  <4>[  243.339039] refcount_t: saturated; leaking memory.
 3693 17:15:13.374931  <4>[  243.343998] Modules linked in: fuse ip_tables x_tables snd_soc_hdmi_codec stm32_adc stm32_timer_trigger stm32_lptimer_trigger snd_soc_audio_graph_card snd_soc_simple_card_utils snd_soc_stm32_sai_sub snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore adv7511 brcmfmac stm_drm sha256_generic etnaviv sha256_arm gpu_sched hci_uart btbcm cfg80211 bluetooth brcmutil ecdh_generic ecc libaes snd_soc_stm32_sai stm32_adc_core
 3694 17:15:13.375087  <4>[  243.383170] CPU: 0 PID: 2689 Comm: cat Tainted: G      D W         5.10.220-cip49 #1
 3695 17:15:13.377989  <4>[  243.391078] Hardware name: STM32 (Device Tree Support)
 3696 17:15:13.418226  <4>[  243.396493] Backtrace: 
 3697 17:15:13.418623  <4>[  243.399221] [<c13c07f0>] (dump_backtrace) from [<c13c0bb0>] (show_stack+0x20/0x24)
 3698 17:15:13.418727  <4>[  243.407071]  r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d018
 3699 17:15:13.418810  <4>[  243.413013] [<c13c0b90>] (show_stack) from [<c13c7e4c>] (dump_stack+0xe0/0x100)
 3700 17:15:13.418891  <4>[  243.420615] [<c13c7d6c>] (dump_stack) from [<c03567c0>] (__warn+0x98/0x14c)
 3701 17:15:13.418972  <4>[  243.427861]  r9:00000009 r8:c0877844 r7:00000013 r6:00000009 r5:c0877844 r4:c1a2b698
 3702 17:15:13.461543  <4>[  243.435898] [<c0356728>] (__warn) from [<c13c1cf0>] (warn_slowpath_fmt+0x8c/0xa8)
 3703 17:15:13.461915  <4>[  243.443669]  r7:00000013 r6:c1a2b698 r5:c1a2b670 r4:c50e6000
 3704 17:15:13.462020  <4>[  243.449615] [<c13c1c68>] (warn_slowpath_fmt) from [<c0877844>] (refcount_warn_saturate+0xa0/0x174)
 3705 17:15:13.462110  <4>[  243.458872]  r9:c1ad7790 r8:c15ec1e0 r7:c50e7f60 r6:0000001f r5:c5ed1000 r4:7fffffff
 3706 17:15:13.462192  <4>[  243.466913] [<c08777a4>] (refcount_warn_saturate) from [<c13ce9c4>] (__refcount_add_not_zero.constprop.0+0x64/0x78)
 3707 17:15:13.504883  <4>[  243.477657] [<c13ce960>] (__refcount_add_not_zero.constprop.0) from [<c13cebf4>] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x50/0x88)
 3708 17:15:13.505244  <4>[  243.489614]  r5:c5ed1000 r4:c50e6000
 3709 17:15:13.505345  <4>[  243.493469] [<c13ceba4>] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW) from [<c0c5aecc>] (lkdtm_do_action+0x2c/0x4c)
 3710 17:15:13.505430  <4>[  243.503676]  r4:0000002e
 3711 17:15:13.505512  <4>[  243.506480] [<c0c5aea0>] (lkdtm_do_action) from [<c0c5b3cc>] (direct_entry+0x120/0x18c)
 3712 17:15:13.505595  <4>[  243.514783] [<c0c5b2ac>] (direct_entry) from [<c07e42b0>] (full_proxy_write+0x64/0x94)
 3713 17:15:13.547946  <4>[  243.522990]  r9:c50e7f60 r8:c3aa9540 r7:0000001f r6:b6e5f000 r5:c5ec1780 r4:c0c5b2ac
 3714 17:15:13.548324  <4>[  243.531031] [<c07e424c>] (full_proxy_write) from [<c059c068>] (vfs_write+0x10c/0x54c)
 3715 17:15:13.548419  <4>[  243.539152]  r9:c07e424c r8:c50e7f60 r7:c290d000 r6:b6e5f000 r5:c5ec1780 r4:00000000
 3716 17:15:13.548502  <4>[  243.547192] [<c059bf5c>] (vfs_write) from [<c059c624>] (ksys_write+0x74/0xec)
 3717 17:15:13.548584  <4>[  243.554616]  r10:00000004 r9:00000000 r8:00000000 r7:b6e5f000 r6:c50e6000 r5:c5ec1780
 3718 17:15:13.548666  <4>[  243.562730]  r4:c5ec1780
 3719 17:15:13.591497  <4>[  243.565536] [<c059c5b0>] (ksys_write) from [<c059c6b4>] (sys_write+0x18/0x1c)
 3720 17:15:13.591839  <4>[  243.572961]  r9:c50e6000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000001f r4:0000001f
 3721 17:15:13.591934  <4>[  243.580999] [<c059c69c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 3722 17:15:13.592016  <4>[  243.588852] Exception stack(0xc50e7fa8 to 0xc50e7ff0)
 3723 17:15:13.592101  <4>[  243.594187] 7fa0:                   0000001f 0000001f 00000001 b6e5f000 0000001f 00000001
 3724 17:15:13.594727  <4>[  243.602662] 7fc0: 0000001f 0000001f 7ff00000 00000004 00000001 b6e5f000 00020000 0041fe38
 3725 17:15:13.644580  <4>[  243.611131] 7fe0: 00000004 bed767e8 b6f2533b b6e9e616
 3726 17:15:13.644757  <4>[  243.616552] irq event stamp: 0
 3727 17:15:13.645066  <4>[  243.619877] hardirqs last  enabled at (0): [<00000000>] 0x0
 3728 17:15:13.645155  <4>[  243.625653] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac
 3729 17:15:13.645238  <4>[  243.633534] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac
 3730 17:15:13.645319  <4>[  243.641307] softirqs last disabled at (0): [<00000000>] 0x0
 3731 17:15:13.645401  <4>[  243.647112] ---[ end trace af413873b24c9d32 ]---
 3732 17:15:13.647821  <6>[  243.652007] lkdtm: Overflow detected: saturated
 3733 17:15:14.090989  # [  243.313195] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW
 3734 17:15:14.091172  # [  243.319002] lkdtm: attempting bad refcount_add_not_zero() overflow
 3735 17:15:14.091259  # [  243.325305] ------------[ cut here ]------------
 3736 17:15:14.091341  # [  243.330393] WARNING: CPU: 0 PID: 2689 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174
 3737 17:15:14.091427  # [  243.339039] refcount_t: saturated; leaking memory.
 3738 17:15:14.134145  # [  243.343998] Modules linked in: fuse ip_tables x_tables snd_soc_hdmi_codec stm32_adc stm32_timer_trigger stm32_lptimer_trigger snd_soc_audio_graph_card snd_soc_simple_card_utils snd_soc_stm32_sai_sub snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore adv7511 brcmfmac stm_drm sha256_generic etnaviv sha256_arm gpu_sched hci_uart btbcm cfg80211 bluetooth brcmutil ecdh_generic ecc libaes snd_soc_stm32_sai stm32_adc_core
 3739 17:15:14.134308  # [  243.383170] CPU: 0 PID: 2689 Comm: cat Tainted: G      D W         5.10.220-cip49 #1
 3740 17:15:14.137286  # [  243.391078] Hardware name: STM32 (Device Tree Support)
 3741 17:15:14.137387  # [  243.396493] Backtrace: 
 3742 17:15:14.177661  # [  243.399221] [<c13c07f0>] (dump_backtrace) from [<c13c0bb0>] (show_stack+0x20/0x24)
 3743 17:15:14.177818  # [  243.407071]  r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d018
 3744 17:15:14.177903  # [  243.413013] [<c13c0b90>] (show_stack) from [<c13c7e4c>] (dump_stack+0xe0/0x100)
 3745 17:15:14.177985  # [  243.420615] [<c13c7d6c>] (dump_stack) from [<c03567c0>] (__warn+0x98/0x14c)
 3746 17:15:14.178068  # [  243.427861]  r9:00000009 r8:c0877844 r7:00000013 r6:00000009 r5:c0877844 r4:c1a2b698
 3747 17:15:14.220745  # [  243.435898] [<c0356728>] (__warn) from [<c13c1cf0>] (warn_slowpath_fmt+0x8c/0xa8)
 3748 17:15:14.221152  # [  243.443669]  r7:00000013 r6:c1a2b698 r5:c1a2b670 r4:c50e6000
 3749 17:15:14.221245  # [  243.449615] [<c13c1c68>] (warn_slowpath_fmt) from [<c0877844>] (refcount_warn_saturate+0xa0/0x174)
 3750 17:15:14.221328  # [  243.458872]  r9:c1ad7790 r8:c15ec1e0 r7:c50e7f60 r6:0000001f r5:c5ed1000 r4:7fffffff
 3751 17:15:14.221409  # [  243.466913] [<c08777a4>] (refcount_warn_saturate) from [<c13ce9c4>] (__refcount_add_not_zero.constprop.0+0x64/0x78)
 3752 17:15:14.263855  # [  243.477657] [<c13ce960>] (__refcount_add_not_zero.constprop.0) from [<c13cebf4>] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x50/0x88)
 3753 17:15:14.264243  # [  243.489614]  r5:c5ed1000 r4:c50e6000
 3754 17:15:14.264352  # [  243.493469] [<c13ceba4>] (lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW) from [<c0c5aecc>] (lkdtm_do_action+0x2c/0x4c)
 3755 17:15:14.264438  # [  243.503676]  r4:0000002e
 3756 17:15:14.264521  # [  243.506480] [<c0c5aea0>] (lkdtm_do_action) from [<c0c5b3cc>] (direct_entry+0x120/0x18c)
 3757 17:15:14.264604  # [  243.514783] [<c0c5b2ac>] (direct_entry) from [<c07e42b0>] (full_proxy_write+0x64/0x94)
 3758 17:15:14.307341  # [  243.522990]  r9:c50e7f60 r8:c3aa9540 r7:0000001f r6:b6e5f000 r5:c5ec1780 r4:c0c5b2ac
 3759 17:15:14.307724  # [  243.531031] [<c07e424c>] (full_proxy_write) from [<c059c068>] (vfs_write+0x10c/0x54c)
 3760 17:15:14.307830  # [  243.539152]  r9:c07e424c r8:c50e7f60 r7:c290d000 r6:b6e5f000 r5:c5ec1780 r4:00000000
 3761 17:15:14.307913  # [  243.547192] [<c059bf5c>] (vfs_write) from [<c059c624>] (ksys_write+0x74/0xec)
 3762 17:15:14.307996  # [  243.554616]  r10:00000004 r9:00000000 r8:00000000 r7:b6e5f000 r6:c50e6000 r5:c5ec1780
 3763 17:15:14.308074  # [  243.562730]  r4:c5ec1780
 3764 17:15:14.310664  # [  243.565536] [<c059c5b0>] (ksys_write) from [<c059c6b4>] (sys_write+0x18/0x1c)
 3765 17:15:14.350874  # [  243.572961]  r9:c50e6000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000001f r4:0000001f
 3766 17:15:14.351034  # [  243.580999] [<c059c69c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 3767 17:15:14.351124  # [  243.588852] Exception stack(0xc50e7fa8 to 0xc50e7ff0)
 3768 17:15:14.351202  # [  243.594187] 7fa0:                   0000001f 0000001f 00000001 b6e5f000 0000001f 00000001
 3769 17:15:14.351276  # [  243.602662] 7fc0: 0000001f 0000001f 7ff00000 00000004 00000001 b6e5f000 00020000 0041fe38
 3770 17:15:14.354112  # [  243.611131] 7fe0: 00000004 bed767e8 b6f2533b b6e9e616
 3771 17:15:14.393867  # [  243.616552] irq event stamp: 0
 3772 17:15:14.394212  # [  243.619877] hardirqs last  enabled at (0): [<00000000>] 0x0
 3773 17:15:14.394306  # [  243.625653] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac
 3774 17:15:14.394391  # [  243.633534] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac
 3775 17:15:14.394473  # [  243.641307] softirqs last disabled at (0): [<00000000>] 0x0
 3776 17:15:14.394553  # [  243.647112] ---[ end trace af413873b24c9d32 ]---
 3777 17:15:14.394635  # [  243.652007] lkdtm: Overflow detected: saturated
 3778 17:15:14.414587  # REFCOUNT_ADD_NOT_ZERO_OVERFLOW: missing 'call trace:': [FAIL]
 3779 17:15:14.418012  not ok 45 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh # exit=1
 3780 17:15:14.418133  # selftests: lkdtm: REFCOUNT_DEC_ZERO.sh
 3781 17:15:14.729785  <6>[  244.709214] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO
 3782 17:15:14.730189  <6>[  244.713736] lkdtm: attempting good refcount_dec()
 3783 17:15:14.730290  <6>[  244.718925] lkdtm: attempting bad refcount_dec() to zero
 3784 17:15:14.730374  <4>[  244.724302] ------------[ cut here ]------------
 3785 17:15:14.730455  <4>[  244.729333] WARNING: CPU: 1 PID: 2724 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174
 3786 17:15:14.730537  <4>[  244.738018] refcount_t: decrement hit 0; leaking memory.
 3787 17:15:14.773408  <4>[  244.743527] Modules linked in: fuse ip_tables x_tables snd_soc_hdmi_codec stm32_adc stm32_timer_trigger stm32_lptimer_trigger snd_soc_audio_graph_card snd_soc_simple_card_utils snd_soc_stm32_sai_sub snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore adv7511 brcmfmac stm_drm sha256_generic etnaviv sha256_arm gpu_sched hci_uart btbcm cfg80211 bluetooth brcmutil ecdh_generic ecc libaes snd_soc_stm32_sai stm32_adc_core
 3788 17:15:14.773551  <4>[  244.782671] CPU: 1 PID: 2724 Comm: cat Tainted: G      D W         5.10.220-cip49 #1
 3789 17:15:14.776667  <4>[  244.790610] Hardware name: STM32 (Device Tree Support)
 3790 17:15:14.816552  <4>[  244.796024] Backtrace: 
 3791 17:15:14.816945  <4>[  244.798754] [<c13c07f0>] (dump_backtrace) from [<c13c0bb0>] (show_stack+0x20/0x24)
 3792 17:15:14.817042  <4>[  244.806603]  r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d018
 3793 17:15:14.817129  <4>[  244.812547] [<c13c0b90>] (show_stack) from [<c13c7e4c>] (dump_stack+0xe0/0x100)
 3794 17:15:14.817212  <4>[  244.820150] [<c13c7d6c>] (dump_stack) from [<c03567c0>] (__warn+0x98/0x14c)
 3795 17:15:14.817294  <4>[  244.827395]  r9:00000009 r8:c0877810 r7:0000001f r6:00000009 r5:c0877810 r4:c1a2b698
 3796 17:15:14.859843  <4>[  244.835432] [<c0356728>] (__warn) from [<c13c1cf0>] (warn_slowpath_fmt+0x8c/0xa8)
 3797 17:15:14.860238  <4>[  244.843204]  r7:0000001f r6:c1a2b698 r5:c1a2b6fc r4:c5804000
 3798 17:15:14.860332  <4>[  244.849149] [<c13c1c68>] (warn_slowpath_fmt) from [<c0877810>] (refcount_warn_saturate+0x6c/0x174)
 3799 17:15:14.860417  <4>[  244.858407]  r9:c1ad77b0 r8:c15ec1e0 r7:c5805f60 r6:00000012 r5:c4f05000 r4:c5804000
 3800 17:15:14.860499  <4>[  244.866449] [<c08777a4>] (refcount_warn_saturate) from [<c13ce95c>] (__refcount_dec.constprop.0+0x38/0x3c)
 3801 17:15:14.903089  <4>[  244.876407] [<c13ce924>] (__refcount_dec.constprop.0) from [<c13cec88>] (lkdtm_REFCOUNT_DEC_ZERO+0x5c/0xd8)
 3802 17:15:14.903424  <4>[  244.886453] [<c13cec2c>] (lkdtm_REFCOUNT_DEC_ZERO) from [<c0c5aecc>] (lkdtm_do_action+0x2c/0x4c)
 3803 17:15:14.903524  <4>[  244.895525]  r4:0000002f
 3804 17:15:14.903607  <4>[  244.898329] [<c0c5aea0>] (lkdtm_do_action) from [<c0c5b3cc>] (direct_entry+0x120/0x18c)
 3805 17:15:14.903688  <4>[  244.906630] [<c0c5b2ac>] (direct_entry) from [<c07e42b0>] (full_proxy_write+0x64/0x94)
 3806 17:15:14.906386  <4>[  244.914837]  r9:c5805f60 r8:c3aa9540 r7:00000012 r6:b6e75000 r5:c4fa23c0 r4:c0c5b2ac
 3807 17:15:14.946538  <4>[  244.922879] [<c07e424c>] (full_proxy_write) from [<c059c068>] (vfs_write+0x10c/0x54c)
 3808 17:15:14.946897  <4>[  244.930998]  r9:c07e424c r8:c5805f60 r7:c290d000 r6:b6e75000 r5:c4fa23c0 r4:00000000
 3809 17:15:14.946992  <4>[  244.939037] [<c059bf5c>] (vfs_write) from [<c059c624>] (ksys_write+0x74/0xec)
 3810 17:15:14.947075  <4>[  244.946461]  r10:00000004 r9:00000000 r8:00000000 r7:b6e75000 r6:c5804000 r5:c4fa23c0
 3811 17:15:14.947158  <4>[  244.954576]  r4:c4fa23c0
 3812 17:15:14.947237  <4>[  244.957382] [<c059c5b0>] (ksys_write) from [<c059c6b4>] (sys_write+0x18/0x1c)
 3813 17:15:14.989833  <4>[  244.964807]  r9:c5804000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000012 r4:00000012
 3814 17:15:14.990194  <4>[  244.972847] [<c059c69c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 3815 17:15:14.990289  <4>[  244.980700] Exception stack(0xc5805fa8 to 0xc5805ff0)
 3816 17:15:14.990372  <4>[  244.986036] 5fa0:                   00000012 00000012 00000001 b6e75000 00000012 00000001
 3817 17:15:14.990455  <4>[  244.994511] 5fc0: 00000012 00000012 7ff00000 00000004 00000001 b6e75000 00020000 004efe38
 3818 17:15:14.990537  <4>[  245.002981] 5fe0: 00000004 bed4b7e8 b6f3b33b b6eb4616
 3819 17:15:14.993311  <4>[  245.008402] irq event stamp: 0
 3820 17:15:15.037611  <4>[  245.011647] hardirqs last  enabled at (0): [<00000000>] 0x0
 3821 17:15:15.037995  <4>[  245.017591] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac
 3822 17:15:15.038105  <4>[  245.025323] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac
 3823 17:15:15.038192  <4>[  245.033209] softirqs last disabled at (0): [<00000000>] 0x0
 3824 17:15:15.038274  <4>[  245.038994] ---[ end trace af413873b24c9d33 ]---
 3825 17:15:15.041085  <6>[  245.043780] lkdtm: Zero detected: saturated
 3826 17:15:15.617642  # [  244.709214] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO
 3827 17:15:15.617900  # [  244.713736] lkdtm: attempting good refcount_dec()
 3828 17:15:15.617994  # [  244.718925] lkdtm: attempting bad refcount_dec() to zero
 3829 17:15:15.618077  # [  244.724302] ------------[ cut here ]------------
 3830 17:15:15.618160  # [  244.729333] WARNING: CPU: 1 PID: 2724 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174
 3831 17:15:15.618247  # [  244.738018] refcount_t: decrement hit 0; leaking memory.
 3832 17:15:15.661183  # [  244.743527] Modules linked in: fuse ip_tables x_tables snd_soc_hdmi_codec stm32_adc stm32_timer_trigger stm32_lptimer_trigger snd_soc_audio_graph_card snd_soc_simple_card_utils snd_soc_stm32_sai_sub snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore adv7511 brcmfmac stm_drm sha256_generic etnaviv sha256_arm gpu_sched hci_uart btbcm cfg80211 bluetooth brcmutil ecdh_generic ecc libaes snd_soc_stm32_sai stm32_adc_core
 3833 17:15:15.661514  # [  244.782671] CPU: 1 PID: 2724 Comm: cat Tainted: G      D W         5.10.220-cip49 #1
 3834 17:15:15.704320  # [  244.790610] Hardware name: STM32 (Device Tree Support)
 3835 17:15:15.704599  # [  244.796024] Backtrace: 
 3836 17:15:15.704957  # [  244.798754] [<c13c07f0>] (dump_backtrace) from [<c13c0bb0>] (show_stack+0x20/0x24)
 3837 17:15:15.705061  # [  244.806603]  r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d018
 3838 17:15:15.705145  # [  244.812547] [<c13c0b90>] (show_stack) from [<c13c7e4c>] (dump_stack+0xe0/0x100)
 3839 17:15:15.705226  # [  244.820150] [<c13c7d6c>] (dump_stack) from [<c03567c0>] (__warn+0x98/0x14c)
 3840 17:15:15.707761  # [  244.827395]  r9:00000009 r8:c0877810 r7:0000001f r6:00000009 r5:c0877810 r4:c1a2b698
 3841 17:15:15.747370  # [  244.835432] [<c0356728>] (__warn) from [<c13c1cf0>] (warn_slowpath_fmt+0x8c/0xa8)
 3842 17:15:15.747921  # [  244.843204]  r7:0000001f r6:c1a2b698 r5:c1a2b6fc r4:c5804000
 3843 17:15:15.748062  # [  244.849149] [<c13c1c68>] (warn_slowpath_fmt) from [<c0877810>] (refcount_warn_saturate+0x6c/0x174)
 3844 17:15:15.748150  # [  244.858407]  r9:c1ad77b0 r8:c15ec1e0 r7:c5805f60 r6:00000012 r5:c4f05000 r4:c5804000
 3845 17:15:15.748233  # [  244.866449] [<c08777a4>] (refcount_warn_saturate) from [<c13ce95c>] (__refcount_dec.constprop.0+0x38/0x3c)
 3846 17:15:15.790674  # [  244.876407] [<c13ce924>] (__refcount_dec.constprop.0) from [<c13cec88>] (lkdtm_REFCOUNT_DEC_ZERO+0x5c/0xd8)
 3847 17:15:15.791279  # [  244.886453] [<c13cec2c>] (lkdtm_REFCOUNT_DEC_ZERO) from [<c0c5aecc>] (lkdtm_do_action+0x2c/0x4c)
 3848 17:15:15.791445  # [  244.895525]  r4:0000002f
 3849 17:15:15.791541  # [  244.898329] [<c0c5aea0>] (lkdtm_do_action) from [<c0c5b3cc>] (direct_entry+0x120/0x18c)
 3850 17:15:15.791622  # [  244.906630] [<c0c5b2ac>] (direct_entry) from [<c07e42b0>] (full_proxy_write+0x64/0x94)
 3851 17:15:15.793898  # [  244.914837]  r9:c5805f60 r8:c3aa9540 r7:00000012 r6:b6e75000 r5:c4fa23c0 r4:c0c5b2ac
 3852 17:15:15.834282  # [  244.922879] [<c07e424c>] (full_proxy_write) from [<c059c068>] (vfs_write+0x10c/0x54c)
 3853 17:15:15.834818  # [  244.930998]  r9:c07e424c r8:c5805f60 r7:c290d000 r6:b6e75000 r5:c4fa23c0 r4:00000000
 3854 17:15:15.834969  # [  244.939037] [<c059bf5c>] (vfs_write) from [<c059c624>] (ksys_write+0x74/0xec)
 3855 17:15:15.835056  # [  244.946461]  r10:00000004 r9:00000000 r8:00000000 r7:b6e75000 r6:c5804000 r5:c4fa23c0
 3856 17:15:15.835138  # [  244.954576]  r4:c4fa23c0
 3857 17:15:15.835220  # [  244.957382] [<c059c5b0>] (ksys_write) from [<c059c6b4>] (sys_write+0x18/0x1c)
 3858 17:15:15.877513  # [  244.964807]  r9:c5804000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000012 r4:00000012
 3859 17:15:15.878115  # [  244.972847] [<c059c69c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 3860 17:15:15.878334  # [  244.980700] Exception stack(0xc5805fa8 to 0xc5805ff0)
 3861 17:15:15.878421  # [  244.986036] 5fa0:                   00000012 00000012 00000001 b6e75000 00000012 00000001
 3862 17:15:15.878503  # [  244.994511] 5fc0: 00000012 00000012 7ff00000 00000004 00000001 b6e75000 00020000 004efe38
 3863 17:15:15.878584  # [  245.002981] 5fe0: 00000004 bed4b7e8 b6f3b33b b6eb4616
 3864 17:15:15.883283  # [  245.008402] irq event stamp: 0
 3865 17:15:15.920928  # [  245.011647] hardirqs last  enabled at (0): [<00000000>] 0x0
 3866 17:15:15.922485  # [  245.017591] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac
 3867 17:15:15.922716  # [  245.025323] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac
 3868 17:15:15.922804  # [  245.033209] softirqs last disabled at (0): [<00000000>] 0x0
 3869 17:15:15.922936  # [  245.038994] ---[ end trace af413873b24c9d33 ]---
 3870 17:15:15.923060  # [  245.043780] lkdtm: Zero detected: saturated
 3871 17:15:15.923183  # REFCOUNT_DEC_ZERO: missing 'call trace:': [FAIL]
 3872 17:15:15.927638  not ok 46 selftests: lkdtm: REFCOUNT_DEC_ZERO.sh # exit=1
 3873 17:15:15.946875  # selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh
 3874 17:15:16.604664  <6>[  246.584524] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE
 3875 17:15:16.604924  <6>[  246.589522] lkdtm: attempting bad refcount_dec() below zero
 3876 17:15:16.605020  <4>[  246.595236] ------------[ cut here ]------------
 3877 17:15:16.605104  <4>[  246.600295] WARNING: CPU: 1 PID: 2762 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174
 3878 17:15:16.605194  <4>[  246.608962] refcount_t: decrement hit 0; leaking memory.
 3879 17:15:16.647790  <4>[  246.614454] Modules linked in: fuse ip_tables x_tables snd_soc_hdmi_codec stm32_adc stm32_timer_trigger stm32_lptimer_trigger snd_soc_audio_graph_card snd_soc_simple_card_utils snd_soc_stm32_sai_sub snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore adv7511 brcmfmac stm_drm sha256_generic etnaviv sha256_arm gpu_sched hci_uart btbcm cfg80211 bluetooth brcmutil ecdh_generic ecc libaes snd_soc_stm32_sai stm32_adc_core
 3880 17:15:16.648034  <4>[  246.653595] CPU: 1 PID: 2762 Comm: cat Tainted: G      D W         5.10.220-cip49 #1
 3881 17:15:16.650695  <4>[  246.661533] Hardware name: STM32 (Device Tree Support)
 3882 17:15:16.651024  <4>[  246.666948] Backtrace: 
 3883 17:15:16.691018  <4>[  246.669677] [<c13c07f0>] (dump_backtrace) from [<c13c0bb0>] (show_stack+0x20/0x24)
 3884 17:15:16.691287  <4>[  246.677525]  r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d018
 3885 17:15:16.691388  <4>[  246.683469] [<c13c0b90>] (show_stack) from [<c13c7e4c>] (dump_stack+0xe0/0x100)
 3886 17:15:16.691485  <4>[  246.691069] [<c13c7d6c>] (dump_stack) from [<c03567c0>] (__warn+0x98/0x14c)
 3887 17:15:16.691570  <4>[  246.698316]  r9:00000009 r8:c0877810 r7:0000001f r6:00000009 r5:c0877810 r4:c1a2b698
 3888 17:15:16.695796  <4>[  246.706354] [<c0356728>] (__warn) from [<c13c1cf0>] (warn_slowpath_fmt+0x8c/0xa8)
 3889 17:15:16.734254  <4>[  246.714125]  r7:0000001f r6:c1a2b698 r5:c1a2b6fc r4:c5f7c000
 3890 17:15:16.734525  <4>[  246.720070] [<c13c1c68>] (warn_slowpath_fmt) from [<c0877810>] (refcount_warn_saturate+0x6c/0x174)
 3891 17:15:16.734621  <4>[  246.729328]  r9:c1ad77c4 r8:c15ec1e0 r7:c5f7df60 r6:00000016 r5:00000000 r4:c5f7c000
 3892 17:15:16.734703  <4>[  246.737370] [<c08777a4>] (refcount_warn_saturate) from [<c13ce95c>] (__refcount_dec.constprop.0+0x38/0x3c)
 3893 17:15:16.778129  <4>[  246.747330] [<c13ce924>] (__refcount_dec.constprop.0) from [<c13ced4c>] (lkdtm_REFCOUNT_DEC_NEGATIVE+0x48/0x70)
 3894 17:15:16.778363  <4>[  246.757726] [<c13ced04>] (lkdtm_REFCOUNT_DEC_NEGATIVE) from [<c0c5aecc>] (lkdtm_do_action+0x2c/0x4c)
 3895 17:15:16.778458  <4>[  246.767151]  r5:c4f05000 r4:00000030
 3896 17:15:16.778543  <4>[  246.771002] [<c0c5aea0>] (lkdtm_do_action) from [<c0c5b3cc>] (direct_entry+0x120/0x18c)
 3897 17:15:16.778637  <4>[  246.779304] [<c0c5b2ac>] (direct_entry) from [<c07e42b0>] (full_proxy_write+0x64/0x94)
 3898 17:15:16.778716  <4>[  246.787513]  r9:c5f7df60 r8:c3aa9540 r7:00000016 r6:b6e9e000 r5:c5af3dc0 r4:c0c5b2ac
 3899 17:15:16.820560  <4>[  246.795555] [<c07e424c>] (full_proxy_write) from [<c059c068>] (vfs_write+0x10c/0x54c)
 3900 17:15:16.821029  <4>[  246.803674]  r9:c07e424c r8:c5f7df60 r7:c290d000 r6:b6e9e000 r5:c5af3dc0 r4:00000000
 3901 17:15:16.821150  <4>[  246.811715] [<c059bf5c>] (vfs_write) from [<c059c624>] (ksys_write+0x74/0xec)
 3902 17:15:16.821248  <4>[  246.819140]  r10:00000004 r9:00000000 r8:00000000 r7:b6e9e000 r6:c5f7c000 r5:c5af3dc0
 3903 17:15:16.821342  <4>[  246.827254]  r4:c5af3dc0
 3904 17:15:16.821434  <4>[  246.830060] [<c059c5b0>] (ksys_write) from [<c059c6b4>] (sys_write+0x18/0x1c)
 3905 17:15:16.863988  <4>[  246.837484]  r9:c5f7c000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000016 r4:00000016
 3906 17:15:16.864450  <4>[  246.845525] [<c059c69c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 3907 17:15:16.864576  <4>[  246.853377] Exception stack(0xc5f7dfa8 to 0xc5f7dff0)
 3908 17:15:16.864680  <4>[  246.858713] dfa0:                   00000016 00000016 00000001 b6e9e000 00000016 00000001
 3909 17:15:16.864778  <4>[  246.867188] dfc0: 00000016 00000016 7ff00000 00000004 00000001 b6e9e000 00020000 004bfe38
 3910 17:15:16.864874  <4>[  246.875657] dfe0: 00000004 becfd7e8 b6f6433b b6edd616
 3911 17:15:16.867377  <4>[  246.881079] irq event stamp: 0
 3912 17:15:16.911671  <4>[  246.884324] hardirqs last  enabled at (0): [<00000000>] 0x0
 3913 17:15:16.912105  <4>[  246.890281] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac
 3914 17:15:16.912203  <4>[  246.898060] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac
 3915 17:15:16.912287  <4>[  246.905727] softirqs last disabled at (0): [<00000000>] 0x0
 3916 17:15:16.912370  <4>[  246.911676] ---[ end trace af413873b24c9d34 ]---
 3917 17:15:16.914960  <6>[  246.916457] lkdtm: Negative detected: saturated
 3918 17:15:17.566534  # [  246.584524] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE
 3919 17:15:17.566728  # [  246.589522] lkdtm: attempting bad refcount_dec() below zero
 3920 17:15:17.566816  # [  246.595236] ------------[ cut here ]------------
 3921 17:15:17.566902  # [  246.600295] WARNING: CPU: 1 PID: 2762 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174
 3922 17:15:17.567002  # [  246.608962] refcount_t: decrement hit 0; leaking memory.
 3923 17:15:17.609854  # [  246.614454] Modules linked in: fuse ip_tables x_tables snd_soc_hdmi_codec stm32_adc stm32_timer_trigger stm32_lptimer_trigger snd_soc_audio_graph_card snd_soc_simple_card_utils snd_soc_stm32_sai_sub snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore adv7511 brcmfmac stm_drm sha256_generic etnaviv sha256_arm gpu_sched hci_uart btbcm cfg80211 bluetooth brcmutil ecdh_generic ecc libaes snd_soc_stm32_sai stm32_adc_core
 3924 17:15:17.610011  # [  246.653595] CPU: 1 PID: 2762 Comm: cat Tainted: G      D W         5.10.220-cip49 #1
 3925 17:15:17.613107  # [  246.661533] Hardware name: STM32 (Device Tree Support)
 3926 17:15:17.613217  # [  246.666948] Backtrace: 
 3927 17:15:17.653121  # [  246.669677] [<c13c07f0>] (dump_backtrace) from [<c13c0bb0>] (show_stack+0x20/0x24)
 3928 17:15:17.653248  # [  246.677525]  r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d018
 3929 17:15:17.653340  # [  246.683469] [<c13c0b90>] (show_stack) from [<c13c7e4c>] (dump_stack+0xe0/0x100)
 3930 17:15:17.653422  # [  246.691069] [<c13c7d6c>] (dump_stack) from [<c03567c0>] (__warn+0x98/0x14c)
 3931 17:15:17.653501  # [  246.698316]  r9:00000009 r8:c0877810 r7:0000001f r6:00000009 r5:c0877810 r4:c1a2b698
 3932 17:15:17.656118  # [  246.706354] [<c0356728>] (__warn) from [<c13c1cf0>] (warn_slowpath_fmt+0x8c/0xa8)
 3933 17:15:17.696274  # [  246.714125]  r7:0000001f r6:c1a2b698 r5:c1a2b6fc r4:c5f7c000
 3934 17:15:17.696650  # [  246.720070] [<c13c1c68>] (warn_slowpath_fmt) from [<c0877810>] (refcount_warn_saturate+0x6c/0x174)
 3935 17:15:17.696746  # [  246.729328]  r9:c1ad77c4 r8:c15ec1e0 r7:c5f7df60 r6:00000016 r5:00000000 r4:c5f7c000
 3936 17:15:17.696828  # [  246.737370] [<c08777a4>] (refcount_warn_saturate) from [<c13ce95c>] (__refcount_dec.constprop.0+0x38/0x3c)
 3937 17:15:17.699559  # [  246.747330] [<c13ce924>] (__refcount_dec.constprop.0) from [<c13ced4c>] (lkdtm_REFCOUNT_DEC_NEGATIVE+0x48/0x70)
 3938 17:15:17.739809  # [  246.757726] [<c13ced04>] (lkdtm_REFCOUNT_DEC_NEGATIVE) from [<c0c5aecc>] (lkdtm_do_action+0x2c/0x4c)
 3939 17:15:17.739953  # [  246.767151]  r5:c4f05000 r4:00000030
 3940 17:15:17.740037  # [  246.771002] [<c0c5aea0>] (lkdtm_do_action) from [<c0c5b3cc>] (direct_entry+0x120/0x18c)
 3941 17:15:17.740118  # [  246.779304] [<c0c5b2ac>] (direct_entry) from [<c07e42b0>] (full_proxy_write+0x64/0x94)
 3942 17:15:17.740199  # [  246.787513]  r9:c5f7df60 r8:c3aa9540 r7:00000016 r6:b6e9e000 r5:c5af3dc0 r4:c0c5b2ac
 3943 17:15:17.782759  # [  246.795555] [<c07e424c>] (full_proxy_write) from [<c059c068>] (vfs_write+0x10c/0x54c)
 3944 17:15:17.783120  # [  246.803674]  r9:c07e424c r8:c5f7df60 r7:c290d000 r6:b6e9e000 r5:c5af3dc0 r4:00000000
 3945 17:15:17.783228  # [  246.811715] [<c059bf5c>] (vfs_write) from [<c059c624>] (ksys_write+0x74/0xec)
 3946 17:15:17.783337  # [  246.819140]  r10:00000004 r9:00000000 r8:00000000 r7:b6e9e000 r6:c5f7c000 r5:c5af3dc0
 3947 17:15:17.783421  # [  246.827254]  r4:c5af3dc0
 3948 17:15:17.783511  # [  246.830060] [<c059c5b0>] (ksys_write) from [<c059c6b4>] (sys_write+0x18/0x1c)
 3949 17:15:17.786035  # [  246.837484]  r9:c5f7c000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000016 r4:00000016
 3950 17:15:17.826445  # [  246.845525] [<c059c69c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 3951 17:15:17.826560  # [  246.853377] Exception stack(0xc5f7dfa8 to 0xc5f7dff0)
 3952 17:15:17.826645  # [  246.858713] dfa0:                   00000016 00000016 00000001 b6e9e000 00000016 00000001
 3953 17:15:17.826727  # [  246.867188] dfc0: 00000016 00000016 7ff00000 00000004 00000001 b6e9e000 00020000 004bfe38
 3954 17:15:17.826824  # [  246.875657] dfe0: 00000004 becfd7e8 b6f6433b b6edd616
 3955 17:15:17.826907  # [  246.881079] irq event stamp: 0
 3956 17:15:17.869557  # [  246.884324] hardirqs last  enabled at (0): [<00000000>] 0x0
 3957 17:15:17.869932  # [  246.890281] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac
 3958 17:15:17.870024  # [  246.898060] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac
 3959 17:15:17.870109  # [  246.905727] softirqs last disabled at (0): [<00000000>] 0x0
 3960 17:15:17.870189  # [  246.911676] ---[ end trace af413873b24c9d34 ]---
 3961 17:15:17.870268  # [  246.916457] lkdtm: Negative detected: saturated
 3962 17:15:17.870346  # REFCOUNT_DEC_NEGATIVE: saw 'Negative detected: saturated': ok
 3963 17:15:17.873028  ok 47 selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh
 3964 17:15:17.887639  # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh
 3965 17:15:18.311904  <6>[  248.293516] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE
 3966 17:15:18.312096  <6>[  248.299269] lkdtm: attempting bad refcount_dec_and_test() below zero
 3967 17:15:18.312184  <4>[  248.305804] ------------[ cut here ]------------
 3968 17:15:18.312267  <4>[  248.310872] WARNING: CPU: 0 PID: 2798 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174
 3969 17:15:18.312351  <4>[  248.319601] refcount_t: underflow; use-after-free.
 3970 17:15:18.355418  <4>[  248.324586] Modules linked in: fuse ip_tables x_tables snd_soc_hdmi_codec stm32_adc stm32_timer_trigger stm32_lptimer_trigger snd_soc_audio_graph_card snd_soc_simple_card_utils snd_soc_stm32_sai_sub snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore adv7511 brcmfmac stm_drm sha256_generic etnaviv sha256_arm gpu_sched hci_uart btbcm cfg80211 bluetooth brcmutil ecdh_generic ecc libaes snd_soc_stm32_sai stm32_adc_core
 3971 17:15:18.355548  <4>[  248.363726] CPU: 0 PID: 2798 Comm: cat Tainted: G      D W         5.10.220-cip49 #1
 3972 17:15:18.358515  <4>[  248.371670] Hardware name: STM32 (Device Tree Support)
 3973 17:15:18.398566  <4>[  248.377085] Backtrace: 
 3974 17:15:18.398898  <4>[  248.379813] [<c13c07f0>] (dump_backtrace) from [<c13c0bb0>] (show_stack+0x20/0x24)
 3975 17:15:18.398999  <4>[  248.387664]  r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d018
 3976 17:15:18.399090  <4>[  248.393611] [<c13c0b90>] (show_stack) from [<c13c7e4c>] (dump_stack+0xe0/0x100)
 3977 17:15:18.399171  <4>[  248.401215] [<c13c7d6c>] (dump_stack) from [<c03567c0>] (__warn+0x98/0x14c)
 3978 17:15:18.399253  <4>[  248.408464]  r9:00000009 r8:c08778e0 r7:0000001c r6:00000009 r5:c08778e0 r4:c1a2b698
 3979 17:15:18.441725  <4>[  248.416505] [<c0356728>] (__warn) from [<c13c1cf0>] (warn_slowpath_fmt+0x8c/0xa8)
 3980 17:15:18.442068  <4>[  248.424278]  r7:0000001c r6:c1a2b698 r5:c1a2b6d4 r4:c5d88000
 3981 17:15:18.442175  <4>[  248.430226] [<c13c1c68>] (warn_slowpath_fmt) from [<c08778e0>] (refcount_warn_saturate+0x13c/0x174)
 3982 17:15:18.442261  <4>[  248.439572]  r9:c1ad77dc r8:c15ec1e0 r7:c5d89f60 r6:0000001f r5:00000000 r4:c5d88000
 3983 17:15:18.442344  <4>[  248.447617] [<c08777a4>] (refcount_warn_saturate) from [<c0c5bfc8>] (__refcount_sub_and_test.constprop.0+0x64/0x6c)
 3984 17:15:18.485058  <4>[  248.458364] [<c0c5bf64>] (__refcount_sub_and_test.constprop.0) from [<c13cedc4>] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x50/0x8c)
 3985 17:15:18.485397  <4>[  248.470333] [<c13ced74>] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE) from [<c0c5aecc>] (lkdtm_do_action+0x2c/0x4c)
 3986 17:15:18.485502  <4>[  248.480547]  r5:c4f12000 r4:00000031
 3987 17:15:18.485590  <4>[  248.484399] [<c0c5aea0>] (lkdtm_do_action) from [<c0c5b3cc>] (direct_entry+0x120/0x18c)
 3988 17:15:18.485673  <4>[  248.492703] [<c0c5b2ac>] (direct_entry) from [<c07e42b0>] (full_proxy_write+0x64/0x94)
 3989 17:15:18.528322  <4>[  248.500913]  r9:c5d89f60 r8:c3aa9540 r7:0000001f r6:b6e35000 r5:c4fc0000 r4:c0c5b2ac
 3990 17:15:18.528655  <4>[  248.508955] [<c07e424c>] (full_proxy_write) from [<c059c068>] (vfs_write+0x10c/0x54c)
 3991 17:15:18.528760  <4>[  248.517074]  r9:c07e424c r8:c5d89f60 r7:c290d000 r6:b6e35000 r5:c4fc0000 r4:00000000
 3992 17:15:18.528845  <4>[  248.525115] [<c059bf5c>] (vfs_write) from [<c059c624>] (ksys_write+0x74/0xec)
 3993 17:15:18.528926  <4>[  248.532539]  r10:00000004 r9:00000000 r8:00000000 r7:b6e35000 r6:c5d88000 r5:c4fc0000
 3994 17:15:18.529007  <4>[  248.540655]  r4:c4fc0000
 3995 17:15:18.531569  <4>[  248.543461] [<c059c5b0>] (ksys_write) from [<c059c6b4>] (sys_write+0x18/0x1c)
 3996 17:15:18.571867  <4>[  248.550887]  r9:c5d88000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000001f r4:0000001f
 3997 17:15:18.571978  <4>[  248.558928] [<c059c69c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 3998 17:15:18.572063  <4>[  248.566781] Exception stack(0xc5d89fa8 to 0xc5d89ff0)
 3999 17:15:18.572144  <4>[  248.572117] 9fa0:                   0000001f 0000001f 00000001 b6e35000 0000001f 00000001
 4000 17:15:18.572225  <4>[  248.580595] 9fc0: 0000001f 0000001f 7ff00000 00000004 00000001 b6e35000 00020000 0042fe38
 4001 17:15:18.574841  <4>[  248.589066] 9fe0: 00000004 bef087e8 b6efb33b b6e74616
 4002 17:15:18.625492  <4>[  248.594494] irq event stamp: 0
 4003 17:15:18.625908  <4>[  248.597790] hardirqs last  enabled at (0): [<00000000>] 0x0
 4004 17:15:18.626006  <4>[  248.603589] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac
 4005 17:15:18.626089  <4>[  248.611454] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac
 4006 17:15:18.626171  <4>[  248.619214] softirqs last disabled at (0): [<00000000>] 0x0
 4007 17:15:18.626252  <4>[  248.625032] ---[ end trace af413873b24c9d35 ]---
 4008 17:15:18.628693  <6>[  248.629933] lkdtm: Negative detected: saturated
 4009 17:15:19.075853  # [  248.293516] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE
 4010 17:15:19.076046  # [  248.299269] lkdtm: attempting bad refcount_dec_and_test() below zero
 4011 17:15:19.076135  # [  248.305804] ------------[ cut here ]------------
 4012 17:15:19.076217  # [  248.310872] WARNING: CPU: 0 PID: 2798 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174
 4013 17:15:19.076300  # [  248.319601] refcount_t: underflow; use-after-free.
 4014 17:15:19.119028  # [  248.324586] Modules linked in: fuse ip_tables x_tables snd_soc_hdmi_codec stm32_adc stm32_timer_trigger stm32_lptimer_trigger snd_soc_audio_graph_card snd_soc_simple_card_utils snd_soc_stm32_sai_sub snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore adv7511 brcmfmac stm_drm sha256_generic etnaviv sha256_arm gpu_sched hci_uart btbcm cfg80211 bluetooth brcmutil ecdh_generic ecc libaes snd_soc_stm32_sai stm32_adc_core
 4015 17:15:19.119168  # [  248.363726] CPU: 0 PID: 2798 Comm: cat Tainted: G      D W         5.10.220-cip49 #1
 4016 17:15:19.122035  # [  248.371670] Hardware name: STM32 (Device Tree Support)
 4017 17:15:19.162003  # [  248.377085] Backtrace: 
 4018 17:15:19.162404  # [  248.379813] [<c13c07f0>] (dump_backtrace) from [<c13c0bb0>] (show_stack+0x20/0x24)
 4019 17:15:19.162513  # [  248.387664]  r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d018
 4020 17:15:19.162599  # [  248.393611] [<c13c0b90>] (show_stack) from [<c13c7e4c>] (dump_stack+0xe0/0x100)
 4021 17:15:19.162681  # [  248.401215] [<c13c7d6c>] (dump_stack) from [<c03567c0>] (__warn+0x98/0x14c)
 4022 17:15:19.162803  # [  248.408464]  r9:00000009 r8:c08778e0 r7:0000001c r6:00000009 r5:c08778e0 r4:c1a2b698
 4023 17:15:19.205467  # [  248.416505] [<c0356728>] (__warn) from [<c13c1cf0>] (warn_slowpath_fmt+0x8c/0xa8)
 4024 17:15:19.205860  # [  248.424278]  r7:0000001c r6:c1a2b698 r5:c1a2b6d4 r4:c5d88000
 4025 17:15:19.205960  # [  248.430226] [<c13c1c68>] (warn_slowpath_fmt) from [<c08778e0>] (refcount_warn_saturate+0x13c/0x174)
 4026 17:15:19.206086  # [  248.439572]  r9:c1ad77dc r8:c15ec1e0 r7:c5d89f60 r6:0000001f r5:00000000 r4:c5d88000
 4027 17:15:19.206210  # [  248.447617] [<c08777a4>] (refcount_warn_saturate) from [<c0c5bfc8>] (__refcount_sub_and_test.constprop.0+0x64/0x6c)
 4028 17:15:19.248724  # [  248.458364] [<c0c5bf64>] (__refcount_sub_and_test.constprop.0) from [<c13cedc4>] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x50/0x8c)
 4029 17:15:19.249090  # [  248.470333] [<c13ced74>] (lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE) from [<c0c5aecc>] (lkdtm_do_action+0x2c/0x4c)
 4030 17:15:19.249185  # [  248.480547]  r5:c4f12000 r4:00000031
 4031 17:15:19.249270  # [  248.484399] [<c0c5aea0>] (lkdtm_do_action) from [<c0c5b3cc>] (direct_entry+0x120/0x18c)
 4032 17:15:19.249353  # [  248.492703] [<c0c5b2ac>] (direct_entry) from [<c07e42b0>] (full_proxy_write+0x64/0x94)
 4033 17:15:19.251828  # [  248.500913]  r9:c5d89f60 r8:c3aa9540 r7:0000001f r6:b6e35000 r5:c4fc0000 r4:c0c5b2ac
 4034 17:15:19.292300  # [  248.508955] [<c07e424c>] (full_proxy_write) from [<c059c068>] (vfs_write+0x10c/0x54c)
 4035 17:15:19.292433  # [  248.517074]  r9:c07e424c r8:c5d89f60 r7:c290d000 r6:b6e35000 r5:c4fc0000 r4:00000000
 4036 17:15:19.292518  # [  248.525115] [<c059bf5c>] (vfs_write) from [<c059c624>] (ksys_write+0x74/0xec)
 4037 17:15:19.292600  # [  248.532539]  r10:00000004 r9:00000000 r8:00000000 r7:b6e35000 r6:c5d88000 r5:c4fc0000
 4038 17:15:19.292681  # [  248.540655]  r4:c4fc0000
 4039 17:15:19.295294  # [  248.543461] [<c059c5b0>] (ksys_write) from [<c059c6b4>] (sys_write+0x18/0x1c)
 4040 17:15:19.335365  # [  248.550887]  r9:c5d88000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000001f r4:0000001f
 4041 17:15:19.335717  # [  248.558928] [<c059c69c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 4042 17:15:19.335814  # [  248.566781] Exception stack(0xc5d89fa8 to 0xc5d89ff0)
 4043 17:15:19.335899  # [  248.572117] 9fa0:                   0000001f 0000001f 00000001 b6e35000 0000001f 00000001
 4044 17:15:19.335982  # [  248.580595] 9fc0: 0000001f 0000001f 7ff00000 00000004 00000001 b6e35000 00020000 0042fe38
 4045 17:15:19.336064  # [  248.589066] 9fe0: 00000004 bef087e8 b6efb33b b6e74616
 4046 17:15:19.338484  # [  248.594494] irq event stamp: 0
 4047 17:15:19.378767  # [  248.597790] hardirqs last  enabled at (0): [<00000000>] 0x0
 4048 17:15:19.379095  # [  248.603589] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac
 4049 17:15:19.379188  # [  248.611454] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac
 4050 17:15:19.379271  # [  248.619214] softirqs last disabled at (0): [<00000000>] 0x0
 4051 17:15:19.379352  # [  248.625032] ---[ end trace af413873b24c9d35 ]---
 4052 17:15:19.379433  # [  248.629933] lkdtm: Negative detected: saturated
 4053 17:15:19.381960  # REFCOUNT_DEC_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok
 4054 17:15:19.400157  ok 48 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh
 4055 17:15:19.403261  # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh
 4056 17:15:19.765129  <6>[  249.746848] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE
 4057 17:15:19.765320  <6>[  249.752643] lkdtm: attempting bad refcount_sub_and_test() below zero
 4058 17:15:19.765409  <4>[  249.759270] ------------[ cut here ]------------
 4059 17:15:19.765492  <4>[  249.764064] WARNING: CPU: 0 PID: 2834 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174
 4060 17:15:19.765575  <4>[  249.772938] refcount_t: underflow; use-after-free.
 4061 17:15:19.808344  <4>[  249.777993] Modules linked in: fuse ip_tables x_tables snd_soc_hdmi_codec stm32_adc stm32_timer_trigger stm32_lptimer_trigger snd_soc_audio_graph_card snd_soc_simple_card_utils snd_soc_stm32_sai_sub snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore adv7511 brcmfmac stm_drm sha256_generic etnaviv sha256_arm gpu_sched hci_uart btbcm cfg80211 bluetooth brcmutil ecdh_generic ecc libaes snd_soc_stm32_sai stm32_adc_core
 4062 17:15:19.808476  <4>[  249.817071] CPU: 0 PID: 2834 Comm: cat Tainted: G      D W         5.10.220-cip49 #1
 4063 17:15:19.811307  <4>[  249.825027] Hardware name: STM32 (Device Tree Support)
 4064 17:15:19.851589  <4>[  249.830443] Backtrace: 
 4065 17:15:19.851953  <4>[  249.833172] [<c13c07f0>] (dump_backtrace) from [<c13c0bb0>] (show_stack+0x20/0x24)
 4066 17:15:19.852085  <4>[  249.841024]  r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d018
 4067 17:15:19.852208  <4>[  249.846969] [<c13c0b90>] (show_stack) from [<c13c7e4c>] (dump_stack+0xe0/0x100)
 4068 17:15:19.852330  <4>[  249.854571] [<c13c7d6c>] (dump_stack) from [<c03567c0>] (__warn+0x98/0x14c)
 4069 17:15:19.852450  <4>[  249.861818]  r9:00000009 r8:c08778e0 r7:0000001c r6:00000009 r5:c08778e0 r4:c1a2b698
 4070 17:15:19.895278  <4>[  249.869859] [<c0356728>] (__warn) from [<c13c1cf0>] (warn_slowpath_fmt+0x8c/0xa8)
 4071 17:15:19.895654  <4>[  249.877630]  r7:0000001c r6:c1a2b698 r5:c1a2b6d4 r4:c50e6000
 4072 17:15:19.895788  <4>[  249.883576] [<c13c1c68>] (warn_slowpath_fmt) from [<c08778e0>] (refcount_warn_saturate+0x13c/0x174)
 4073 17:15:19.895920  <4>[  249.892923]  r9:c1ad77fc r8:c15ec1e0 r7:c50e7f60 r6:0000001f r5:c4f12000 r4:c50e6000
 4074 17:15:19.896043  <4>[  249.900966] [<c08777a4>] (refcount_warn_saturate) from [<c0c5bfc8>] (__refcount_sub_and_test.constprop.0+0x64/0x6c)
 4075 17:15:19.938568  <4>[  249.911711] [<c0c5bf64>] (__refcount_sub_and_test.constprop.0) from [<c13cee50>] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x50/0x8c)
 4076 17:15:19.938895  <4>[  249.923677] [<c13cee00>] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE) from [<c0c5aecc>] (lkdtm_do_action+0x2c/0x4c)
 4077 17:15:19.938990  <4>[  249.933887]  r4:00000032
 4078 17:15:19.939075  <4>[  249.936693] [<c0c5aea0>] (lkdtm_do_action) from [<c0c5b3cc>] (direct_entry+0x120/0x18c)
 4079 17:15:19.939157  <4>[  249.944996] [<c0c5b2ac>] (direct_entry) from [<c07e42b0>] (full_proxy_write+0x64/0x94)
 4080 17:15:19.942024  <4>[  249.953204]  r9:c50e7f60 r8:c3aa9540 r7:0000001f r6:b6dbd000 r5:c5bc23c0 r4:c0c5b2ac
 4081 17:15:19.982116  <4>[  249.961247] [<c07e424c>] (full_proxy_write) from [<c059c068>] (vfs_write+0x10c/0x54c)
 4082 17:15:19.982224  <4>[  249.969367]  r9:c07e424c r8:c50e7f60 r7:c290d000 r6:b6dbd000 r5:c5bc23c0 r4:00000000
 4083 17:15:19.982309  <4>[  249.977407] [<c059bf5c>] (vfs_write) from [<c059c624>] (ksys_write+0x74/0xec)
 4084 17:15:19.982389  <4>[  249.984832]  r10:00000004 r9:00000000 r8:00000000 r7:b6dbd000 r6:c50e6000 r5:c5bc23c0
 4085 17:15:19.982470  <4>[  249.992946]  r4:c5bc23c0
 4086 17:15:19.985358  <4>[  249.995752] [<c059c5b0>] (ksys_write) from [<c059c6b4>] (sys_write+0x18/0x1c)
 4087 17:15:20.025205  <4>[  250.003176]  r9:c50e6000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000001f r4:0000001f
 4088 17:15:20.025316  <4>[  250.011217] [<c059c69c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 4089 17:15:20.025403  <4>[  250.019070] Exception stack(0xc50e7fa8 to 0xc50e7ff0)
 4090 17:15:20.025487  <4>[  250.024406] 7fa0:                   0000001f 0000001f 00000001 b6dbd000 0000001f 00000001
 4091 17:15:20.025571  <4>[  250.032883] 7fc0: 0000001f 0000001f 7ff00000 00000004 00000001 b6dbd000 00020000 0047fe38
 4092 17:15:20.028297  <4>[  250.041352] 7fe0: 00000004 beed27e8 b6e8333b b6dfc616
 4093 17:15:20.078216  <4>[  250.046778] irq event stamp: 0
 4094 17:15:20.078617  <4>[  250.050084] hardirqs last  enabled at (0): [<00000000>] 0x0
 4095 17:15:20.078719  <4>[  250.055872] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac
 4096 17:15:20.078806  <4>[  250.063767] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac
 4097 17:15:20.078889  <4>[  250.071567] softirqs last disabled at (0): [<00000000>] 0x0
 4098 17:15:20.078975  <4>[  250.077326] ---[ end trace af413873b24c9d36 ]---
 4099 17:15:20.081407  <6>[  250.082158] lkdtm: Negative detected: saturated
 4100 17:15:20.537460  # [  249.746848] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE
 4101 17:15:20.537867  # [  249.752643] lkdtm: attempting bad refcount_sub_and_test() below zero
 4102 17:15:20.537968  # [  249.759270] ------------[ cut here ]------------
 4103 17:15:20.538052  # [  249.764064] WARNING: CPU: 0 PID: 2834 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174
 4104 17:15:20.538140  # [  249.772938] refcount_t: underflow; use-after-free.
 4105 17:15:20.581342  # [  249.777993] Modules linked in: fuse ip_tables x_tables snd_soc_hdmi_codec stm32_adc stm32_timer_trigger stm32_lptimer_trigger snd_soc_audio_graph_card snd_soc_simple_card_utils snd_soc_stm32_sai_sub snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore adv7511 brcmfmac stm_drm sha256_generic etnaviv sha256_arm gpu_sched hci_uart btbcm cfg80211 bluetooth brcmutil ecdh_generic ecc libaes snd_soc_stm32_sai stm32_adc_core
 4106 17:15:20.581491  # [  249.817071] CPU: 0 PID: 2834 Comm: cat Tainted: G      D W         5.10.220-cip49 #1
 4107 17:15:20.581578  # [  249.825027] Hardware name: STM32 (Device Tree Support)
 4108 17:15:20.584427  # [  249.830443] Backtrace: 
 4109 17:15:20.624468  # [  249.833172] [<c13c07f0>] (dump_backtrace) from [<c13c0bb0>] (show_stack+0x20/0x24)
 4110 17:15:20.624812  # [  249.841024]  r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d018
 4111 17:15:20.624918  # [  249.846969] [<c13c0b90>] (show_stack) from [<c13c7e4c>] (dump_stack+0xe0/0x100)
 4112 17:15:20.625005  # [  249.854571] [<c13c7d6c>] (dump_stack) from [<c03567c0>] (__warn+0x98/0x14c)
 4113 17:15:20.625086  # [  249.861818]  r9:00000009 r8:c08778e0 r7:0000001c r6:00000009 r5:c08778e0 r4:c1a2b698
 4114 17:15:20.627749  # [  249.869859] [<c0356728>] (__warn) from [<c13c1cf0>] (warn_slowpath_fmt+0x8c/0xa8)
 4115 17:15:20.667787  # [  249.877630]  r7:0000001c r6:c1a2b698 r5:c1a2b6d4 r4:c50e6000
 4116 17:15:20.668121  # [  249.883576] [<c13c1c68>] (warn_slowpath_fmt) from [<c08778e0>] (refcount_warn_saturate+0x13c/0x174)
 4117 17:15:20.668215  # [  249.892923]  r9:c1ad77fc r8:c15ec1e0 r7:c50e7f60 r6:0000001f r5:c4f12000 r4:c50e6000
 4118 17:15:20.668299  # [  249.900966] [<c08777a4>] (refcount_warn_saturate) from [<c0c5bfc8>] (__refcount_sub_and_test.constprop.0+0x64/0x6c)
 4119 17:15:20.671019  # [  249.911711] [<c0c5bf64>] (__refcount_sub_and_test.constprop.0) from [<c13cee50>] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x50/0x8c)
 4120 17:15:20.711414  # [  249.923677] [<c13cee00>] (lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE) from [<c0c5aecc>] (lkdtm_do_action+0x2c/0x4c)
 4121 17:15:20.711591  # [  249.933887]  r4:00000032
 4122 17:15:20.711676  # [  249.936693] [<c0c5aea0>] (lkdtm_do_action) from [<c0c5b3cc>] (direct_entry+0x120/0x18c)
 4123 17:15:20.711759  # [  249.944996] [<c0c5b2ac>] (direct_entry) from [<c07e42b0>] (full_proxy_write+0x64/0x94)
 4124 17:15:20.711840  # [  249.953204]  r9:c50e7f60 r8:c3aa9540 r7:0000001f r6:b6dbd000 r5:c5bc23c0 r4:c0c5b2ac
 4125 17:15:20.754297  # [  249.961247] [<c07e424c>] (full_proxy_write) from [<c059c068>] (vfs_write+0x10c/0x54c)
 4126 17:15:20.754664  # [  249.969367]  r9:c07e424c r8:c50e7f60 r7:c290d000 r6:b6dbd000 r5:c5bc23c0 r4:00000000
 4127 17:15:20.754764  # [  249.977407] [<c059bf5c>] (vfs_write) from [<c059c624>] (ksys_write+0x74/0xec)
 4128 17:15:20.754847  # [  249.984832]  r10:00000004 r9:00000000 r8:00000000 r7:b6dbd000 r6:c50e6000 r5:c5bc23c0
 4129 17:15:20.754929  # [  249.992946]  r4:c5bc23c0
 4130 17:15:20.755008  # [  249.995752] [<c059c5b0>] (ksys_write) from [<c059c6b4>] (sys_write+0x18/0x1c)
 4131 17:15:20.757610  # [  250.003176]  r9:c50e6000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:0000001f r4:0000001f
 4132 17:15:20.797651  # [  250.011217] [<c059c69c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 4133 17:15:20.797819  # [  250.019070] Exception stack(0xc50e7fa8 to 0xc50e7ff0)
 4134 17:15:20.797945  # [  250.024406] 7fa0:                   0000001f 0000001f 00000001 b6dbd000 0000001f 00000001
 4135 17:15:20.798068  # [  250.032883] 7fc0: 0000001f 0000001f 7ff00000 00000004 00000001 b6dbd000 00020000 0047fe38
 4136 17:15:20.798189  # [  250.041352] 7fe0: 00000004 beed27e8 b6e8333b b6dfc616
 4137 17:15:20.798280  # [  250.046778] irq event stamp: 0
 4138 17:15:20.840715  # [  250.050084] hardirqs last  enabled at (0): [<00000000>] 0x0
 4139 17:15:20.841050  # [  250.055872] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac
 4140 17:15:20.841153  # [  250.063767] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac
 4141 17:15:20.841272  # [  250.071567] softirqs last disabled at (0): [<00000000>] 0x0
 4142 17:15:20.841361  # [  250.077326] ---[ end trace af413873b24c9d36 ]---
 4143 17:15:20.841475  # [  250.082158] lkdtm: Negative detected: saturated
 4144 17:15:20.841594  # REFCOUNT_SUB_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok
 4145 17:15:20.843860  ok 49 selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh
 4146 17:15:20.859196  # selftests: lkdtm: REFCOUNT_INC_ZERO.sh
 4147 17:15:21.241607  <6>[  251.222955] lkdtm: Performing direct entry REFCOUNT_INC_ZERO
 4148 17:15:21.241796  <6>[  251.227594] lkdtm: attempting safe refcount_inc_not_zero() from zero
 4149 17:15:21.241884  <6>[  251.234104] lkdtm: Good: zero detected
 4150 17:15:21.241968  <6>[  251.238284] lkdtm: Correctly stayed at zero
 4151 17:15:21.242051  <6>[  251.242617] lkdtm: attempting bad refcount_inc() from zero
 4152 17:15:21.242133  <4>[  251.248415] ------------[ cut here ]------------
 4153 17:15:21.244804  <4>[  251.253262] WARNING: CPU: 0 PID: 2867 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174
 4154 17:15:21.284668  <4>[  251.262121] refcount_t: addition on 0; use-after-free.
 4155 17:15:21.288075  <4>[  251.267537] Modules linked in: fuse ip_tables x_tables snd_soc_hdmi_codec stm32_adc stm32_timer_trigger stm32_lptimer_trigger snd_soc_audio_graph_card snd_soc_simple_card_utils snd_soc_stm32_sai_sub snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore adv7511 brcmfmac stm_drm sha256_generic etnaviv sha256_arm gpu_sched hci_uart btbcm cfg80211 bluetooth brcmutil ecdh_generic ecc libaes snd_soc_stm32_sai stm32_adc_core
 4156 17:15:21.328240  <4>[  251.306608] CPU: 0 PID: 2867 Comm: cat Tainted: G      D W         5.10.220-cip49 #1
 4157 17:15:21.328354  <4>[  251.314564] Hardware name: STM32 (Device Tree Support)
 4158 17:15:21.328442  <4>[  251.319982] Backtrace: 
 4159 17:15:21.328564  <4>[  251.322710] [<c13c07f0>] (dump_backtrace) from [<c13c0bb0>] (show_stack+0x20/0x24)
 4160 17:15:21.328657  <4>[  251.330563]  r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d018
 4161 17:15:21.328739  <4>[  251.336508] [<c13c0b90>] (show_stack) from [<c13c7e4c>] (dump_stack+0xe0/0x100)
 4162 17:15:21.331471  <4>[  251.344112] [<c13c7d6c>] (dump_stack) from [<c03567c0>] (__warn+0x98/0x14c)
 4163 17:15:21.371503  <4>[  251.351360]  r9:00000009 r8:c08778ac r7:00000019 r6:00000009 r5:c08778ac r4:c1a2b698
 4164 17:15:21.371651  <4>[  251.359401] [<c0356728>] (__warn) from [<c13c1cf0>] (warn_slowpath_fmt+0x8c/0xa8)
 4165 17:15:21.371744  <4>[  251.367174]  r7:00000019 r6:c1a2b698 r5:c1a2b6a8 r4:c59e4000
 4166 17:15:21.371862  <4>[  251.373124] [<c13c1c68>] (warn_slowpath_fmt) from [<c08778ac>] (refcount_warn_saturate+0x108/0x174)
 4167 17:15:21.371952  <4>[  251.382473]  r9:c1ad781c r8:c15ec1e0 r7:c59e5f60 r6:00000012 r5:00000000 r4:c59e4000
 4168 17:15:21.414700  <4>[  251.390517] [<c08777a4>] (refcount_warn_saturate) from [<c0c5bf60>] (__refcount_add.constprop.0+0x54/0x58)
 4169 17:15:21.415031  <4>[  251.400479] [<c0c5bf0c>] (__refcount_add.constprop.0) from [<c13cef34>] (lkdtm_REFCOUNT_INC_ZERO+0xa8/0xcc)
 4170 17:15:21.415126  <4>[  251.410526] [<c13cee8c>] (lkdtm_REFCOUNT_INC_ZERO) from [<c0c5aecc>] (lkdtm_do_action+0x2c/0x4c)
 4171 17:15:21.415209  <4>[  251.419602]  r5:c4f12000 r4:00000033
 4172 17:15:21.415289  <4>[  251.423454] [<c0c5aea0>] (lkdtm_do_action) from [<c0c5b3cc>] (direct_entry+0x120/0x18c)
 4173 17:15:21.458018  <4>[  251.431758] [<c0c5b2ac>] (direct_entry) from [<c07e42b0>] (full_proxy_write+0x64/0x94)
 4174 17:15:21.458347  <4>[  251.439966]  r9:c59e5f60 r8:c3aa9540 r7:00000012 r6:b6e38000 r5:c4fc0dc0 r4:c0c5b2ac
 4175 17:15:21.458442  <4>[  251.448008] [<c07e424c>] (full_proxy_write) from [<c059c068>] (vfs_write+0x10c/0x54c)
 4176 17:15:21.458526  <4>[  251.456128]  r9:c07e424c r8:c59e5f60 r7:c290d000 r6:b6e38000 r5:c4fc0dc0 r4:00000000
 4177 17:15:21.458608  <4>[  251.464167] [<c059bf5c>] (vfs_write) from [<c059c624>] (ksys_write+0x74/0xec)
 4178 17:15:21.461305  <4>[  251.471592]  r10:00000004 r9:00000000 r8:00000000 r7:b6e38000 r6:c59e4000 r5:c4fc0dc0
 4179 17:15:21.501346  <4>[  251.479706]  r4:c4fc0dc0
 4180 17:15:21.501671  <4>[  251.482512] [<c059c5b0>] (ksys_write) from [<c059c6b4>] (sys_write+0x18/0x1c)
 4181 17:15:21.501765  <4>[  251.489935]  r9:c59e4000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000012 r4:00000012
 4182 17:15:21.501849  <4>[  251.497974] [<c059c69c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 4183 17:15:21.501932  <4>[  251.505827] Exception stack(0xc59e5fa8 to 0xc59e5ff0)
 4184 17:15:21.502017  <4>[  251.511164] 5fa0:                   00000012 00000012 00000001 b6e38000 00000012 00000001
 4185 17:15:21.544721  <4>[  251.519641] 5fc0: 00000012 00000012 7ff00000 00000004 00000001 b6e38000 00020000 004cfe38
 4186 17:15:21.545126  <4>[  251.528111] 5fe0: 00000004 bea617e8 b6efe33b b6e77616
 4187 17:15:21.545222  <4>[  251.533507] irq event stamp: 0
 4188 17:15:21.545305  <4>[  251.536779] hardirqs last  enabled at (0): [<00000000>] 0x0
 4189 17:15:21.545385  <4>[  251.542713] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac
 4190 17:15:21.545465  <4>[  251.550500] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac
 4191 17:15:21.545544  <4>[  251.558247] softirqs last disabled at (0): [<00000000>] 0x0
 4192 17:15:21.563685  <4>[  251.564072] ---[ end trace af413873b24c9d37 ]---
 4193 17:15:21.563835  <6>[  251.568973] lkdtm: Zero detected: saturated
 4194 17:15:21.956664  # [  251.222955] lkdtm: Performing direct entry REFCOUNT_INC_ZERO
 4195 17:15:21.956858  # [  251.227594] lkdtm: attempting safe refcount_inc_not_zero() from zero
 4196 17:15:21.956985  # [  251.234104] lkdtm: Good: zero detected
 4197 17:15:21.957076  # [  251.238284] lkdtm: Correctly stayed at zero
 4198 17:15:21.957158  # [  251.242617] lkdtm: attempting bad refcount_inc() from zero
 4199 17:15:21.957238  # [  251.248415] ------------[ cut here ]------------
 4200 17:15:21.959797  # [  251.253262] WARNING: CPU: 0 PID: 2867 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174
 4201 17:15:21.999675  # [  251.262121] refcount_t: addition on 0; use-after-free.
 4202 17:15:22.003014  # [  251.267537] Modules linked in: fuse ip_tables x_tables snd_soc_hdmi_codec stm32_adc stm32_timer_trigger stm32_lptimer_trigger snd_soc_audio_graph_card snd_soc_simple_card_utils snd_soc_stm32_sai_sub snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore adv7511 brcmfmac stm_drm sha256_generic etnaviv sha256_arm gpu_sched hci_uart btbcm cfg80211 bluetooth brcmutil ecdh_generic ecc libaes snd_soc_stm32_sai stm32_adc_core
 4203 17:15:22.042895  # [  251.306608] CPU: 0 PID: 2867 Comm: cat Tainted: G      D W         5.10.220-cip49 #1
 4204 17:15:22.043266  # [  251.314564] Hardware name: STM32 (Device Tree Support)
 4205 17:15:22.043368  # [  251.319982] Backtrace: 
 4206 17:15:22.043458  # [  251.322710] [<c13c07f0>] (dump_backtrace) from [<c13c0bb0>] (show_stack+0x20/0x24)
 4207 17:15:22.043544  # [  251.330563]  r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d018
 4208 17:15:22.043625  # [  251.336508] [<c13c0b90>] (show_stack) from [<c13c7e4c>] (dump_stack+0xe0/0x100)
 4209 17:15:22.046487  # [  251.344112] [<c13c7d6c>] (dump_stack) from [<c03567c0>] (__warn+0x98/0x14c)
 4210 17:15:22.086587  # [  251.351360]  r9:00000009 r8:c08778ac r7:00000019 r6:00000009 r5:c08778ac r4:c1a2b698
 4211 17:15:22.086708  # [  251.359401] [<c0356728>] (__warn) from [<c13c1cf0>] (warn_slowpath_fmt+0x8c/0xa8)
 4212 17:15:22.086831  # [  251.367174]  r7:00000019 r6:c1a2b698 r5:c1a2b6a8 r4:c59e4000
 4213 17:15:22.086971  # [  251.373124] [<c13c1c68>] (warn_slowpath_fmt) from [<c08778ac>] (refcount_warn_saturate+0x108/0x174)
 4214 17:15:22.087099  # [  251.382473]  r9:c1ad781c r8:c15ec1e0 r7:c59e5f60 r6:00000012 r5:00000000 r4:c59e4000
 4215 17:15:22.129679  # [  251.390517] [<c08777a4>] (refcount_warn_saturate) from [<c0c5bf60>] (__refcount_add.constprop.0+0x54/0x58)
 4216 17:15:22.130058  # [  251.400479] [<c0c5bf0c>] (__refcount_add.constprop.0) from [<c13cef34>] (lkdtm_REFCOUNT_INC_ZERO+0xa8/0xcc)
 4217 17:15:22.130189  # [  251.410526] [<c13cee8c>] (lkdtm_REFCOUNT_INC_ZERO) from [<c0c5aecc>] (lkdtm_do_action+0x2c/0x4c)
 4218 17:15:22.130311  # [  251.419602]  r5:c4f12000 r4:00000033
 4219 17:15:22.130432  # [  251.423454] [<c0c5aea0>] (lkdtm_do_action) from [<c0c5b3cc>] (direct_entry+0x120/0x18c)
 4220 17:15:22.133280  # [  251.431758] [<c0c5b2ac>] (direct_entry) from [<c07e42b0>] (full_proxy_write+0x64/0x94)
 4221 17:15:22.173102  # [  251.439966]  r9:c59e5f60 r8:c3aa9540 r7:00000012 r6:b6e38000 r5:c4fc0dc0 r4:c0c5b2ac
 4222 17:15:22.173281  # [  251.448008] [<c07e424c>] (full_proxy_write) from [<c059c068>] (vfs_write+0x10c/0x54c)
 4223 17:15:22.173406  # [  251.456128]  r9:c07e424c r8:c59e5f60 r7:c290d000 r6:b6e38000 r5:c4fc0dc0 r4:00000000
 4224 17:15:22.173494  # [  251.464167] [<c059bf5c>] (vfs_write) from [<c059c624>] (ksys_write+0x74/0xec)
 4225 17:15:22.173575  # [  251.471592]  r10:00000004 r9:00000000 r8:00000000 r7:b6e38000 r6:c59e4000 r5:c4fc0dc0
 4226 17:15:22.176432  # [  251.479706]  r4:c4fc0dc0
 4227 17:15:22.216429  # [  251.482512] [<c059c5b0>] (ksys_write) from [<c059c6b4>] (sys_write+0x18/0x1c)
 4228 17:15:22.216831  # [  251.489935]  r9:c59e4000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000012 r4:00000012
 4229 17:15:22.216929  # [  251.497974] [<c059c69c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 4230 17:15:22.217013  # [  251.505827] Exception stack(0xc59e5fa8 to 0xc59e5ff0)
 4231 17:15:22.217095  # [  251.511164] 5fa0:                   00000012 00000012 00000001 b6e38000 00000012 00000001
 4232 17:15:22.219837  # [  251.519641] 5fc0: 00000012 00000012 7ff00000 00000004 00000001 b6e38000 00020000 004cfe38
 4233 17:15:22.259713  # [  251.528111] 5fe0: 00000004 bea617e8 b6efe33b b6e77616
 4234 17:15:22.260112  # [  251.533507] irq event stamp: 0
 4235 17:15:22.260218  # [  251.536779] hardirqs last  enabled at (0): [<00000000>] 0x0
 4236 17:15:22.260302  # [  251.542713] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac
 4237 17:15:22.260389  # [  251.550500] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac
 4238 17:15:22.260471  # [  251.558247] softirqs last disabled at (0): [<00000000>] 0x0
 4239 17:15:22.263143  # [  251.564072] ---[ end trace af413873b24c9d37 ]---
 4240 17:15:22.286471  # [  251.568973] lkdtm: Zero detected: saturated
 4241 17:15:22.286581  # REFCOUNT_INC_ZERO: missing 'call trace:': [FAIL]
 4242 17:15:22.286874  not ok 50 selftests: lkdtm: REFCOUNT_INC_ZERO.sh # exit=1
 4243 17:15:22.289933  # selftests: lkdtm: REFCOUNT_ADD_ZERO.sh
 4244 17:15:22.667740  <6>[  252.649086] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO
 4245 17:15:22.667933  <6>[  252.653606] lkdtm: attempting safe refcount_add_not_zero() from zero
 4246 17:15:22.668020  <6>[  252.660440] lkdtm: Good: zero detected
 4247 17:15:22.668101  <6>[  252.664261] lkdtm: Correctly stayed at zero
 4248 17:15:22.668179  <6>[  252.668805] lkdtm: attempting bad refcount_add() from zero
 4249 17:15:22.668259  <4>[  252.674482] ------------[ cut here ]------------
 4250 17:15:22.670943  <4>[  252.679476] WARNING: CPU: 0 PID: 2902 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174
 4251 17:15:22.710798  <4>[  252.688273] refcount_t: addition on 0; use-after-free.
 4252 17:15:22.714336  <4>[  252.693611] Modules linked in: fuse ip_tables x_tables snd_soc_hdmi_codec stm32_adc stm32_timer_trigger stm32_lptimer_trigger snd_soc_audio_graph_card snd_soc_simple_card_utils snd_soc_stm32_sai_sub snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore adv7511 brcmfmac stm_drm sha256_generic etnaviv sha256_arm gpu_sched hci_uart btbcm cfg80211 bluetooth brcmutil ecdh_generic ecc libaes snd_soc_stm32_sai stm32_adc_core
 4253 17:15:22.754328  <4>[  252.732762] CPU: 0 PID: 2902 Comm: cat Tainted: G      D W         5.10.220-cip49 #1
 4254 17:15:22.754444  <4>[  252.740689] Hardware name: STM32 (Device Tree Support)
 4255 17:15:22.754529  <4>[  252.746103] Backtrace: 
 4256 17:15:22.754611  <4>[  252.748832] [<c13c07f0>] (dump_backtrace) from [<c13c0bb0>] (show_stack+0x20/0x24)
 4257 17:15:22.754709  <4>[  252.756680]  r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d018
 4258 17:15:22.754795  <4>[  252.762624] [<c13c0b90>] (show_stack) from [<c13c7e4c>] (dump_stack+0xe0/0x100)
 4259 17:15:22.757819  <4>[  252.770224] [<c13c7d6c>] (dump_stack) from [<c03567c0>] (__warn+0x98/0x14c)
 4260 17:15:22.797652  <4>[  252.777470]  r9:00000009 r8:c08778ac r7:00000019 r6:00000009 r5:c08778ac r4:c1a2b698
 4261 17:15:22.797759  <4>[  252.785506] [<c0356728>] (__warn) from [<c13c1cf0>] (warn_slowpath_fmt+0x8c/0xa8)
 4262 17:15:22.797844  <4>[  252.793276]  r7:00000019 r6:c1a2b698 r5:c1a2b6a8 r4:c50e6000
 4263 17:15:22.797943  <4>[  252.799221] [<c13c1c68>] (warn_slowpath_fmt) from [<c08778ac>] (refcount_warn_saturate+0x108/0x174)
 4264 17:15:22.798027  <4>[  252.808563]  r9:c1ad7830 r8:c15ec1e0 r7:c50e7f60 r6:00000012 r5:00000000 r4:c50e6000
 4265 17:15:22.840802  <4>[  252.816603] [<c08777a4>] (refcount_warn_saturate) from [<c0c5bf60>] (__refcount_add.constprop.0+0x54/0x58)
 4266 17:15:22.843707  <4>[  252.826564] [<c0c5bf0c>] (__refcount_add.constprop.0) from [<c13cf000>] (lkdtm_REFCOUNT_ADD_ZERO+0xa8/0xcc)
 4267 17:15:22.843835  <4>[  252.836609] [<c13cef58>] (lkdtm_REFCOUNT_ADD_ZERO) from [<c0c5aecc>] (lkdtm_do_action+0x2c/0x4c)
 4268 17:15:22.843920  <4>[  252.845689]  r5:c4f12000 r4:00000034
 4269 17:15:22.844000  <4>[  252.849541] [<c0c5aea0>] (lkdtm_do_action) from [<c0c5b3cc>] (direct_entry+0x120/0x18c)
 4270 17:15:22.884108  <4>[  252.857844] [<c0c5b2ac>] (direct_entry) from [<c07e42b0>] (full_proxy_write+0x64/0x94)
 4271 17:15:22.884477  <4>[  252.866053]  r9:c50e7f60 r8:c3aa9540 r7:00000012 r6:b6e5e000 r5:c5a7e780 r4:c0c5b2ac
 4272 17:15:22.884573  <4>[  252.874096] [<c07e424c>] (full_proxy_write) from [<c059c068>] (vfs_write+0x10c/0x54c)
 4273 17:15:22.884656  <4>[  252.882216]  r9:c07e424c r8:c50e7f60 r7:c290d000 r6:b6e5e000 r5:c5a7e780 r4:00000000
 4274 17:15:22.884736  <4>[  252.890257] [<c059bf5c>] (vfs_write) from [<c059c624>] (ksys_write+0x74/0xec)
 4275 17:15:22.887551  <4>[  252.897682]  r10:00000004 r9:00000000 r8:00000000 r7:b6e5e000 r6:c50e6000 r5:c5a7e780
 4276 17:15:22.927439  <4>[  252.905798]  r4:c5a7e780
 4277 17:15:22.927774  <4>[  252.908605] [<c059c5b0>] (ksys_write) from [<c059c6b4>] (sys_write+0x18/0x1c)
 4278 17:15:22.927871  <4>[  252.916031]  r9:c50e6000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000012 r4:00000012
 4279 17:15:22.927953  <4>[  252.924072] [<c059c69c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 4280 17:15:22.928034  <4>[  252.931925] Exception stack(0xc50e7fa8 to 0xc50e7ff0)
 4281 17:15:22.928116  <4>[  252.937262] 7fa0:                   00000012 00000012 00000001 b6e5e000 00000012 00000001
 4282 17:15:22.970776  <4>[  252.945738] 7fc0: 00000012 00000012 7ff00000 00000004 00000001 b6e5e000 00020000 0045fe38
 4283 17:15:22.971178  <4>[  252.954211] 7fe0: 00000004 beb187e8 b6f2433b b6e9d616
 4284 17:15:22.971272  <4>[  252.959702] irq event stamp: 0
 4285 17:15:22.971354  <4>[  252.962875] hardirqs last  enabled at (0): [<00000000>] 0x0
 4286 17:15:22.971433  <4>[  252.968805] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac
 4287 17:15:22.971522  <4>[  252.976497] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac
 4288 17:15:22.971601  <4>[  252.984323] softirqs last disabled at (0): [<00000000>] 0x0
 4289 17:15:22.989626  <4>[  252.990169] ---[ end trace af413873b24c9d38 ]---
 4290 17:15:22.989767  <6>[  252.995014] lkdtm: Zero detected: saturated
 4291 17:15:23.240792  # [  252.649086] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO
 4292 17:15:23.240971  # [  252.653606] lkdtm: attempting safe refcount_add_not_zero() from zero
 4293 17:15:23.241058  # [  252.660440] lkdtm: Good: zero detected
 4294 17:15:23.241139  # [  252.664261] lkdtm: Correctly stayed at zero
 4295 17:15:23.241237  # [  252.668805] lkdtm: attempting bad refcount_add() from zero
 4296 17:15:23.241324  # [  252.674482] ------------[ cut here ]------------
 4297 17:15:23.244153  # [  252.679476] WARNING: CPU: 0 PID: 2902 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174
 4298 17:15:23.283791  # [  252.688273] refcount_t: addition on 0; use-after-free.
 4299 17:15:23.287202  # [  252.693611] Modules linked in: fuse ip_tables x_tables snd_soc_hdmi_codec stm32_adc stm32_timer_trigger stm32_lptimer_trigger snd_soc_audio_graph_card snd_soc_simple_card_utils snd_soc_stm32_sai_sub snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore adv7511 brcmfmac stm_drm sha256_generic etnaviv sha256_arm gpu_sched hci_uart btbcm cfg80211 bluetooth brcmutil ecdh_generic ecc libaes snd_soc_stm32_sai stm32_adc_core
 4300 17:15:23.327200  # [  252.732762] CPU: 0 PID: 2902 Comm: cat Tainted: G      D W         5.10.220-cip49 #1
 4301 17:15:23.327580  # [  252.740689] Hardware name: STM32 (Device Tree Support)
 4302 17:15:23.327687  # [  252.746103] Backtrace: 
 4303 17:15:23.327771  # [  252.748832] [<c13c07f0>] (dump_backtrace) from [<c13c0bb0>] (show_stack+0x20/0x24)
 4304 17:15:23.327854  # [  252.756680]  r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d018
 4305 17:15:23.327936  # [  252.762624] [<c13c0b90>] (show_stack) from [<c13c7e4c>] (dump_stack+0xe0/0x100)
 4306 17:15:23.330673  # [  252.770224] [<c13c7d6c>] (dump_stack) from [<c03567c0>] (__warn+0x98/0x14c)
 4307 17:15:23.370790  # [  252.777470]  r9:00000009 r8:c08778ac r7:00000019 r6:00000009 r5:c08778ac r4:c1a2b698
 4308 17:15:23.370939  # [  252.785506] [<c0356728>] (__warn) from [<c13c1cf0>] (warn_slowpath_fmt+0x8c/0xa8)
 4309 17:15:23.371024  # [  252.793276]  r7:00000019 r6:c1a2b698 r5:c1a2b6a8 r4:c50e6000
 4310 17:15:23.371121  # [  252.799221] [<c13c1c68>] (warn_slowpath_fmt) from [<c08778ac>] (refcount_warn_saturate+0x108/0x174)
 4311 17:15:23.371205  # [  252.808563]  r9:c1ad7830 r8:c15ec1e0 r7:c50e7f60 r6:00000012 r5:00000000 r4:c50e6000
 4312 17:15:23.413917  # [  252.816603] [<c08777a4>] (refcount_warn_saturate) from [<c0c5bf60>] (__refcount_add.constprop.0+0x54/0x58)
 4313 17:15:23.414299  # [  252.826564] [<c0c5bf0c>] (__refcount_add.constprop.0) from [<c13cf000>] (lkdtm_REFCOUNT_ADD_ZERO+0xa8/0xcc)
 4314 17:15:23.414394  # [  252.836609] [<c13cef58>] (lkdtm_REFCOUNT_ADD_ZERO) from [<c0c5aecc>] (lkdtm_do_action+0x2c/0x4c)
 4315 17:15:23.414477  # [  252.845689]  r5:c4f12000 r4:00000034
 4316 17:15:23.414558  # [  252.849541] [<c0c5aea0>] (lkdtm_do_action) from [<c0c5b3cc>] (direct_entry+0x120/0x18c)
 4317 17:15:23.417262  # [  252.857844] [<c0c5b2ac>] (direct_entry) from [<c07e42b0>] (full_proxy_write+0x64/0x94)
 4318 17:15:23.457505  # [  252.866053]  r9:c50e7f60 r8:c3aa9540 r7:00000012 r6:b6e5e000 r5:c5a7e780 r4:c0c5b2ac
 4319 17:15:23.457708  # [  252.874096] [<c07e424c>] (full_proxy_write) from [<c059c068>] (vfs_write+0x10c/0x54c)
 4320 17:15:23.457803  # [  252.882216]  r9:c07e424c r8:c50e7f60 r7:c290d000 r6:b6e5e000 r5:c5a7e780 r4:00000000
 4321 17:15:23.457899  # [  252.890257] [<c059bf5c>] (vfs_write) from [<c059c624>] (ksys_write+0x74/0xec)
 4322 17:15:23.457985  # [  252.897682]  r10:00000004 r9:00000000 r8:00000000 r7:b6e5e000 r6:c50e6000 r5:c5a7e780
 4323 17:15:23.460651  # [  252.905798]  r4:c5a7e780
 4324 17:15:23.500641  # [  252.908605] [<c059c5b0>] (ksys_write) from [<c059c6b4>] (sys_write+0x18/0x1c)
 4325 17:15:23.501115  # [  252.916031]  r9:c50e6000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000012 r4:00000012
 4326 17:15:23.501222  # [  252.924072] [<c059c69c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 4327 17:15:23.501327  # [  252.931925] Exception stack(0xc50e7fa8 to 0xc50e7ff0)
 4328 17:15:23.501409  # [  252.937262] 7fa0:                   00000012 00000012 00000001 b6e5e000 00000012 00000001
 4329 17:15:23.503922  # [  252.945738] 7fc0: 00000012 00000012 7ff00000 00000004 00000001 b6e5e000 00020000 0045fe38
 4330 17:15:23.543887  # [  252.954211] 7fe0: 00000004 beb187e8 b6f2433b b6e9d616
 4331 17:15:23.544359  # [  252.959702] irq event stamp: 0
 4332 17:15:23.544468  # [  252.962875] hardirqs last  enabled at (0): [<00000000>] 0x0
 4333 17:15:23.544558  # [  252.968805] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac
 4334 17:15:23.544641  # [  252.976497] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac
 4335 17:15:23.544721  # [  252.984323] softirqs last disabled at (0): [<00000000>] 0x0
 4336 17:15:23.547213  # [  252.990169] ---[ end trace af413873b24c9d38 ]---
 4337 17:15:23.570398  # [  252.995014] lkdtm: Zero detected: saturated
 4338 17:15:23.570583  # REFCOUNT_ADD_ZERO: missing 'call trace:': [FAIL]
 4339 17:15:23.570895  not ok 51 selftests: lkdtm: REFCOUNT_ADD_ZERO.sh # exit=1
 4340 17:15:23.573852  # selftests: lkdtm: REFCOUNT_INC_SATURATED.sh
 4341 17:15:24.097433  <6>[  254.078812] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED
 4342 17:15:24.097625  <6>[  254.083765] lkdtm: attempting bad refcount_inc() from saturated
 4343 17:15:24.097713  <4>[  254.090136] ------------[ cut here ]------------
 4344 17:15:24.097793  <4>[  254.094879] WARNING: CPU: 0 PID: 2940 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174
 4345 17:15:24.097874  <4>[  254.103678] refcount_t: saturated; leaking memory.
 4346 17:15:24.140935  <4>[  254.108723] Modules linked in: fuse ip_tables x_tables snd_soc_hdmi_codec stm32_adc stm32_timer_trigger stm32_lptimer_trigger snd_soc_audio_graph_card snd_soc_simple_card_utils snd_soc_stm32_sai_sub snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore adv7511 brcmfmac stm_drm sha256_generic etnaviv sha256_arm gpu_sched hci_uart btbcm cfg80211 bluetooth brcmutil ecdh_generic ecc libaes snd_soc_stm32_sai stm32_adc_core
 4347 17:15:24.141089  <4>[  254.147771] CPU: 0 PID: 2940 Comm: cat Tainted: G      D W         5.10.220-cip49 #1
 4348 17:15:24.143952  <4>[  254.155725] Hardware name: STM32 (Device Tree Support)
 4349 17:15:24.144059  <4>[  254.161139] Backtrace: 
 4350 17:15:24.183990  <4>[  254.163866] [<c13c07f0>] (dump_backtrace) from [<c13c0bb0>] (show_stack+0x20/0x24)
 4351 17:15:24.184156  <4>[  254.171714]  r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d018
 4352 17:15:24.184246  <4>[  254.177657] [<c13c0b90>] (show_stack) from [<c13c7e4c>] (dump_stack+0xe0/0x100)
 4353 17:15:24.184329  <4>[  254.185256] [<c13c7d6c>] (dump_stack) from [<c03567c0>] (__warn+0x98/0x14c)
 4354 17:15:24.184409  <4>[  254.192502]  r9:00000009 r8:c0877878 r7:00000016 r6:00000009 r5:c0877878 r4:c1a2b698
 4355 17:15:24.226814  <4>[  254.200539] [<c0356728>] (__warn) from [<c13c1cf0>] (warn_slowpath_fmt+0x8c/0xa8)
 4356 17:15:24.227167  <4>[  254.208308]  r7:00000016 r6:c1a2b698 r5:c1a2b670 r4:c5d88000
 4357 17:15:24.227262  <4>[  254.214253] [<c13c1c68>] (warn_slowpath_fmt) from [<c0877878>] (refcount_warn_saturate+0xd4/0x174)
 4358 17:15:24.227347  <4>[  254.223512]  r9:c1ad7844 r8:c15ec1e0 r7:c5d89f60 r6:00000017 r5:c5edd000 r4:c5d88000
 4359 17:15:24.227428  <4>[  254.231553] [<c08777a4>] (refcount_warn_saturate) from [<c0c5bf50>] (__refcount_add.constprop.0+0x44/0x58)
 4360 17:15:24.270181  <4>[  254.241511] [<c0c5bf0c>] (__refcount_add.constprop.0) from [<c13cf070>] (lkdtm_REFCOUNT_INC_SATURATED+0x4c/0x70)
 4361 17:15:24.270551  <4>[  254.251991] [<c13cf024>] (lkdtm_REFCOUNT_INC_SATURATED) from [<c0c5aecc>] (lkdtm_do_action+0x2c/0x4c)
 4362 17:15:24.270686  <4>[  254.261501]  r4:00000035
 4363 17:15:24.270773  <4>[  254.264305] [<c0c5aea0>] (lkdtm_do_action) from [<c0c5b3cc>] (direct_entry+0x120/0x18c)
 4364 17:15:24.270854  <4>[  254.272607] [<c0c5b2ac>] (direct_entry) from [<c07e42b0>] (full_proxy_write+0x64/0x94)
 4365 17:15:24.270932  <4>[  254.280812]  r9:c5d89f60 r8:c3aa9540 r7:00000017 r6:b6de9000 r5:c4fc0dc0 r4:c0c5b2ac
 4366 17:15:24.313752  <4>[  254.288853] [<c07e424c>] (full_proxy_write) from [<c059c068>] (vfs_write+0x10c/0x54c)
 4367 17:15:24.314177  <4>[  254.296971]  r9:c07e424c r8:c5d89f60 r7:c290d000 r6:b6de9000 r5:c4fc0dc0 r4:00000000
 4368 17:15:24.314297  <4>[  254.305010] [<c059bf5c>] (vfs_write) from [<c059c624>] (ksys_write+0x74/0xec)
 4369 17:15:24.314381  <4>[  254.312432]  r10:00000004 r9:00000000 r8:00000000 r7:b6de9000 r6:c5d88000 r5:c4fc0dc0
 4370 17:15:24.314462  <4>[  254.320545]  r4:c4fc0dc0
 4371 17:15:24.314541  <4>[  254.323350] [<c059c5b0>] (ksys_write) from [<c059c6b4>] (sys_write+0x18/0x1c)
 4372 17:15:24.357117  <4>[  254.330774]  r9:c5d88000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000017 r4:00000017
 4373 17:15:24.357548  <4>[  254.338812] [<c059c69c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 4374 17:15:24.357664  <4>[  254.346661] Exception stack(0xc5d89fa8 to 0xc5d89ff0)
 4375 17:15:24.357757  <4>[  254.351995] 9fa0:                   00000017 00000017 00000001 b6de9000 00000017 00000001
 4376 17:15:24.357841  <4>[  254.360469] 9fc0: 00000017 00000017 7ff00000 00000004 00000001 b6de9000 00020000 004ffe38
 4377 17:15:24.357921  <4>[  254.368936] 9fe0: 00000004 beeac7e8 b6eaf33b b6e28616
 4378 17:15:24.360506  <4>[  254.374356] irq event stamp: 0
 4379 17:15:24.405342  <4>[  254.377651] hardirqs last  enabled at (0): [<00000000>] 0x0
 4380 17:15:24.405765  <4>[  254.383463] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac
 4381 17:15:24.405874  <4>[  254.391318] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac
 4382 17:15:24.405958  <4>[  254.399077] softirqs last disabled at (0): [<00000000>] 0x0
 4383 17:15:24.406038  <4>[  254.404896] ---[ end trace af413873b24c9d39 ]---
 4384 17:15:24.408709  <6>[  254.409790] lkdtm: Saturation detected: still saturated
 4385 17:15:24.800644  # [  254.078812] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED
 4386 17:15:24.801052  # [  254.083765] lkdtm: attempting bad refcount_inc() from saturated
 4387 17:15:24.801156  # [  254.090136] ------------[ cut here ]------------
 4388 17:15:24.801247  # [  254.094879] WARNING: CPU: 0 PID: 2940 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174
 4389 17:15:24.801331  # [  254.103678] refcount_t: saturated; leaking memory.
 4390 17:15:24.844185  # [  254.108723] Modules linked in: fuse ip_tables x_tables snd_soc_hdmi_codec stm32_adc stm32_timer_trigger stm32_lptimer_trigger snd_soc_audio_graph_card snd_soc_simple_card_utils snd_soc_stm32_sai_sub snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore adv7511 brcmfmac stm_drm sha256_generic etnaviv sha256_arm gpu_sched hci_uart btbcm cfg80211 bluetooth brcmutil ecdh_generic ecc libaes snd_soc_stm32_sai stm32_adc_core
 4391 17:15:24.844376  # [  254.147771] CPU: 0 PID: 2940 Comm: cat Tainted: G      D W         5.10.220-cip49 #1
 4392 17:15:24.844467  # [  254.155725] Hardware name: STM32 (Device Tree Support)
 4393 17:15:24.844551  # [  254.161139] Backtrace: 
 4394 17:15:24.887241  # [  254.163866] [<c13c07f0>] (dump_backtrace) from [<c13c0bb0>] (show_stack+0x20/0x24)
 4395 17:15:24.887600  # [  254.171714]  r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d018
 4396 17:15:24.887711  # [  254.177657] [<c13c0b90>] (show_stack) from [<c13c7e4c>] (dump_stack+0xe0/0x100)
 4397 17:15:24.887796  # [  254.185256] [<c13c7d6c>] (dump_stack) from [<c03567c0>] (__warn+0x98/0x14c)
 4398 17:15:24.887877  # [  254.192502]  r9:00000009 r8:c0877878 r7:00000016 r6:00000009 r5:c0877878 r4:c1a2b698
 4399 17:15:24.887958  # [  254.200539] [<c0356728>] (__warn) from [<c13c1cf0>] (warn_slowpath_fmt+0x8c/0xa8)
 4400 17:15:24.930656  # [  254.208308]  r7:00000016 r6:c1a2b698 r5:c1a2b670 r4:c5d88000
 4401 17:15:24.931067  # [  254.214253] [<c13c1c68>] (warn_slowpath_fmt) from [<c0877878>] (refcount_warn_saturate+0xd4/0x174)
 4402 17:15:24.931174  # [  254.223512]  r9:c1ad7844 r8:c15ec1e0 r7:c5d89f60 r6:00000017 r5:c5edd000 r4:c5d88000
 4403 17:15:24.931260  # [  254.231553] [<c08777a4>] (refcount_warn_saturate) from [<c0c5bf50>] (__refcount_add.constprop.0+0x44/0x58)
 4404 17:15:24.931344  # [  254.241511] [<c0c5bf0c>] (__refcount_add.constprop.0) from [<c13cf070>] (lkdtm_REFCOUNT_INC_SATURATED+0x4c/0x70)
 4405 17:15:24.973926  # [  254.251991] [<c13cf024>] (lkdtm_REFCOUNT_INC_SATURATED) from [<c0c5aecc>] (lkdtm_do_action+0x2c/0x4c)
 4406 17:15:24.974343  # [  254.261501]  r4:00000035
 4407 17:15:24.974449  # [  254.264305] [<c0c5aea0>] (lkdtm_do_action) from [<c0c5b3cc>] (direct_entry+0x120/0x18c)
 4408 17:15:24.974534  # [  254.272607] [<c0c5b2ac>] (direct_entry) from [<c07e42b0>] (full_proxy_write+0x64/0x94)
 4409 17:15:24.974616  # [  254.280812]  r9:c5d89f60 r8:c3aa9540 r7:00000017 r6:b6de9000 r5:c4fc0dc0 r4:c0c5b2ac
 4410 17:15:24.977322  # [  254.288853] [<c07e424c>] (full_proxy_write) from [<c059c068>] (vfs_write+0x10c/0x54c)
 4411 17:15:25.017240  # [  254.296971]  r9:c07e424c r8:c5d89f60 r7:c290d000 r6:b6de9000 r5:c4fc0dc0 r4:00000000
 4412 17:15:25.017621  # [  254.305010] [<c059bf5c>] (vfs_write) from [<c059c624>] (ksys_write+0x74/0xec)
 4413 17:15:25.017725  # [  254.312432]  r10:00000004 r9:00000000 r8:00000000 r7:b6de9000 r6:c5d88000 r5:c4fc0dc0
 4414 17:15:25.017809  # [  254.320545]  r4:c4fc0dc0
 4415 17:15:25.017889  # [  254.323350] [<c059c5b0>] (ksys_write) from [<c059c6b4>] (sys_write+0x18/0x1c)
 4416 17:15:25.017969  # [  254.330774]  r9:c5d88000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000017 r4:00000017
 4417 17:15:25.060534  # [  254.338812] [<c059c69c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 4418 17:15:25.060915  # [  254.346661] Exception stack(0xc5d89fa8 to 0xc5d89ff0)
 4419 17:15:25.061020  # [  254.351995] 9fa0:                   00000017 00000017 00000001 b6de9000 00000017 00000001
 4420 17:15:25.061105  # [  254.360469] 9fc0: 00000017 00000017 7ff00000 00000004 00000001 b6de9000 00020000 004ffe38
 4421 17:15:25.061187  # [  254.368936] 9fe0: 00000004 beeac7e8 b6eaf33b b6e28616
 4422 17:15:25.061267  # [  254.374356] irq event stamp: 0
 4423 17:15:25.061348  # [  254.377651] hardirqs last  enabled at (0): [<00000000>] 0x0
 4424 17:15:25.114211  # [  254.383463] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac
 4425 17:15:25.114594  # [  254.391318] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac
 4426 17:15:25.114700  # [  254.399077] softirqs last disabled at (0): [<00000000>] 0x0
 4427 17:15:25.114784  # [  254.404896] ---[ end trace af413873b24c9d39 ]---
 4428 17:15:25.114868  # [  254.409790] lkdtm: Saturation detected: still saturated
 4429 17:15:25.114948  # REFCOUNT_INC_SATURATED: saw 'Saturation detected: still saturated': ok
 4430 17:15:25.115028  ok 52 selftests: lkdtm: REFCOUNT_INC_SATURATED.sh
 4431 17:15:25.117884  # selftests: lkdtm: REFCOUNT_DEC_SATURATED.sh
 4432 17:15:25.499984  <6>[  255.481366] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED
 4433 17:15:25.500167  <6>[  255.486319] lkdtm: attempting bad refcount_dec() from saturated
 4434 17:15:25.500260  <4>[  255.492733] ------------[ cut here ]------------
 4435 17:15:25.500343  <4>[  255.497566] WARNING: CPU: 1 PID: 2976 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174
 4436 17:15:25.500443  <4>[  255.506140] refcount_t: decrement hit 0; leaking memory.
 4437 17:15:25.543147  <4>[  255.511796] Modules linked in: fuse ip_tables x_tables snd_soc_hdmi_codec stm32_adc stm32_timer_trigger stm32_lptimer_trigger snd_soc_audio_graph_card snd_soc_simple_card_utils snd_soc_stm32_sai_sub snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore adv7511 brcmfmac stm_drm sha256_generic etnaviv sha256_arm gpu_sched hci_uart btbcm cfg80211 bluetooth brcmutil ecdh_generic ecc libaes snd_soc_stm32_sai stm32_adc_core
 4438 17:15:25.543302  <4>[  255.550875] CPU: 1 PID: 2976 Comm: cat Tainted: G      D W         5.10.220-cip49 #1
 4439 17:15:25.546553  <4>[  255.558803] Hardware name: STM32 (Device Tree Support)
 4440 17:15:25.586462  <4>[  255.564216] Backtrace: 
 4441 17:15:25.586907  <4>[  255.566944] [<c13c07f0>] (dump_backtrace) from [<c13c0bb0>] (show_stack+0x20/0x24)
 4442 17:15:25.587032  <4>[  255.574793]  r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d018
 4443 17:15:25.587118  <4>[  255.580736] [<c13c0b90>] (show_stack) from [<c13c7e4c>] (dump_stack+0xe0/0x100)
 4444 17:15:25.587225  <4>[  255.588336] [<c13c7d6c>] (dump_stack) from [<c03567c0>] (__warn+0x98/0x14c)
 4445 17:15:25.587311  <4>[  255.595582]  r9:00000009 r8:c0877810 r7:0000001f r6:00000009 r5:c0877810 r4:c1a2b698
 4446 17:15:25.629708  <4>[  255.603619] [<c0356728>] (__warn) from [<c13c1cf0>] (warn_slowpath_fmt+0x8c/0xa8)
 4447 17:15:25.630165  <4>[  255.611389]  r7:0000001f r6:c1a2b698 r5:c1a2b6fc r4:c5eec000
 4448 17:15:25.630284  <4>[  255.617334] [<c13c1c68>] (warn_slowpath_fmt) from [<c0877810>] (refcount_warn_saturate+0x6c/0x174)
 4449 17:15:25.630366  <4>[  255.626589]  r9:c1ad785c r8:c15ec1e0 r7:c5eedf60 r6:00000017 r5:c4f0a000 r4:c5eec000
 4450 17:15:25.630468  <4>[  255.634629] [<c08777a4>] (refcount_warn_saturate) from [<c13ce95c>] (__refcount_dec.constprop.0+0x38/0x3c)
 4451 17:15:25.672999  <4>[  255.644588] [<c13ce924>] (__refcount_dec.constprop.0) from [<c13cf0dc>] (lkdtm_REFCOUNT_DEC_SATURATED+0x48/0x6c)
 4452 17:15:25.673378  <4>[  255.655072] [<c13cf094>] (lkdtm_REFCOUNT_DEC_SATURATED) from [<c0c5aecc>] (lkdtm_do_action+0x2c/0x4c)
 4453 17:15:25.673485  <4>[  255.664579]  r4:00000036
 4454 17:15:25.673595  <4>[  255.667384] [<c0c5aea0>] (lkdtm_do_action) from [<c0c5b3cc>] (direct_entry+0x120/0x18c)
 4455 17:15:25.673678  <4>[  255.675686] [<c0c5b2ac>] (direct_entry) from [<c07e42b0>] (full_proxy_write+0x64/0x94)
 4456 17:15:25.673779  <4>[  255.683893]  r9:c5eedf60 r8:c3aa9540 r7:00000017 r6:b6dfd000 r5:c2985500 r4:c0c5b2ac
 4457 17:15:25.716345  <4>[  255.691934] [<c07e424c>] (full_proxy_write) from [<c059c068>] (vfs_write+0x10c/0x54c)
 4458 17:15:25.716702  <4>[  255.700051]  r9:c07e424c r8:c5eedf60 r7:c290d000 r6:b6dfd000 r5:c2985500 r4:00000000
 4459 17:15:25.716805  <4>[  255.708089] [<c059bf5c>] (vfs_write) from [<c059c624>] (ksys_write+0x74/0xec)
 4460 17:15:25.716893  <4>[  255.715511]  r10:00000004 r9:00000000 r8:00000000 r7:b6dfd000 r6:c5eec000 r5:c2985500
 4461 17:15:25.716980  <4>[  255.723625]  r4:c2985500
 4462 17:15:25.717059  <4>[  255.726431] [<c059c5b0>] (ksys_write) from [<c059c6b4>] (sys_write+0x18/0x1c)
 4463 17:15:25.759459  <4>[  255.733853]  r9:c5eec000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000017 r4:00000017
 4464 17:15:25.759883  <4>[  255.741891] [<c059c69c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 4465 17:15:25.759988  <4>[  255.749740] Exception stack(0xc5eedfa8 to 0xc5eedff0)
 4466 17:15:25.760076  <4>[  255.755075] dfa0:                   00000017 00000017 00000001 b6dfd000 00000017 00000001
 4467 17:15:25.760158  <4>[  255.763549] dfc0: 00000017 00000017 7ff00000 00000004 00000001 b6dfd000 00020000 0044fe38
 4468 17:15:25.760239  <4>[  255.772016] dfe0: 00000004 befc97e8 b6ec333b b6e3c616
 4469 17:15:25.762715  <4>[  255.777431] irq event stamp: 0
 4470 17:15:25.807358  <4>[  255.780684] hardirqs last  enabled at (0): [<00000000>] 0x0
 4471 17:15:25.807792  <4>[  255.786537] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac
 4472 17:15:25.807906  <4>[  255.794429] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac
 4473 17:15:25.807995  <4>[  255.802198] softirqs last disabled at (0): [<00000000>] 0x0
 4474 17:15:25.808078  <4>[  255.808070] ---[ end trace af413873b24c9d3a ]---
 4475 17:15:25.810746  <6>[  255.812822] lkdtm: Saturation detected: still saturated
 4476 17:15:26.170471  # [  255.481366] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED
 4477 17:15:26.170943  # [  255.486319] lkdtm: attempting bad refcount_dec() from saturated
 4478 17:15:26.171053  # [  255.492733] ------------[ cut here ]------------
 4479 17:15:26.171140  # [  255.497566] WARNING: CPU: 1 PID: 2976 at lib/refcount.c:31 refcount_warn_saturate+0x6c/0x174
 4480 17:15:26.171263  # [  255.506140] refcount_t: decrement hit 0; leaking memory.
 4481 17:15:26.214300  # [  255.511796] Modules linked in: fuse ip_tables x_tables snd_soc_hdmi_codec stm32_adc stm32_timer_trigger stm32_lptimer_trigger snd_soc_audio_graph_card snd_soc_simple_card_utils snd_soc_stm32_sai_sub snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore adv7511 brcmfmac stm_drm sha256_generic etnaviv sha256_arm gpu_sched hci_uart btbcm cfg80211 bluetooth brcmutil ecdh_generic ecc libaes snd_soc_stm32_sai stm32_adc_core
 4482 17:15:26.214485  # [  255.550875] CPU: 1 PID: 2976 Comm: cat Tainted: G      D W         5.10.220-cip49 #1
 4483 17:15:26.214575  # [  255.558803] Hardware name: STM32 (Device Tree Support)
 4484 17:15:26.217488  # [  255.564216] Backtrace: 
 4485 17:15:26.257401  # [  255.566944] [<c13c07f0>] (dump_backtrace) from [<c13c0bb0>] (show_stack+0x20/0x24)
 4486 17:15:26.257803  # [  255.574793]  r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d018
 4487 17:15:26.257907  # [  255.580736] [<c13c0b90>] (show_stack) from [<c13c7e4c>] (dump_stack+0xe0/0x100)
 4488 17:15:26.257992  # [  255.588336] [<c13c7d6c>] (dump_stack) from [<c03567c0>] (__warn+0x98/0x14c)
 4489 17:15:26.258074  # [  255.595582]  r9:00000009 r8:c0877810 r7:0000001f r6:00000009 r5:c0877810 r4:c1a2b698
 4490 17:15:26.260847  # [  255.603619] [<c0356728>] (__warn) from [<c13c1cf0>] (warn_slowpath_fmt+0x8c/0xa8)
 4491 17:15:26.300649  # [  255.611389]  r7:0000001f r6:c1a2b698 r5:c1a2b6fc r4:c5eec000
 4492 17:15:26.301019  # [  255.617334] [<c13c1c68>] (warn_slowpath_fmt) from [<c0877810>] (refcount_warn_saturate+0x6c/0x174)
 4493 17:15:26.301124  # [  255.626589]  r9:c1ad785c r8:c15ec1e0 r7:c5eedf60 r6:00000017 r5:c4f0a000 r4:c5eec000
 4494 17:15:26.301209  # [  255.634629] [<c08777a4>] (refcount_warn_saturate) from [<c13ce95c>] (__refcount_dec.constprop.0+0x38/0x3c)
 4495 17:15:26.303893  # [  255.644588] [<c13ce924>] (__refcount_dec.constprop.0) from [<c13cf0dc>] (lkdtm_REFCOUNT_DEC_SATURATED+0x48/0x6c)
 4496 17:15:26.344219  # [  255.655072] [<c13cf094>] (lkdtm_REFCOUNT_DEC_SATURATED) from [<c0c5aecc>] (lkdtm_do_action+0x2c/0x4c)
 4497 17:15:26.344369  # [  255.664579]  r4:00000036
 4498 17:15:26.344454  # [  255.667384] [<c0c5aea0>] (lkdtm_do_action) from [<c0c5b3cc>] (direct_entry+0x120/0x18c)
 4499 17:15:26.344535  # [  255.675686] [<c0c5b2ac>] (direct_entry) from [<c07e42b0>] (full_proxy_write+0x64/0x94)
 4500 17:15:26.344615  # [  255.683893]  r9:c5eedf60 r8:c3aa9540 r7:00000017 r6:b6dfd000 r5:c2985500 r4:c0c5b2ac
 4501 17:15:26.347368  # [  255.691934] [<c07e424c>] (full_proxy_write) from [<c059c068>] (vfs_write+0x10c/0x54c)
 4502 17:15:26.387550  # [  255.700051]  r9:c07e424c r8:c5eedf60 r7:c290d000 r6:b6dfd000 r5:c2985500 r4:00000000
 4503 17:15:26.387718  # [  255.708089] [<c059bf5c>] (vfs_write) from [<c059c624>] (ksys_write+0x74/0xec)
 4504 17:15:26.387807  # [  255.715511]  r10:00000004 r9:00000000 r8:00000000 r7:b6dfd000 r6:c5eec000 r5:c2985500
 4505 17:15:26.387889  # [  255.723625]  r4:c2985500
 4506 17:15:26.387968  # [  255.726431] [<c059c5b0>] (ksys_write) from [<c059c6b4>] (sys_write+0x18/0x1c)
 4507 17:15:26.390632  # [  255.733853]  r9:c5eec000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000017 r4:00000017
 4508 17:15:26.430654  # [  255.741891] [<c059c69c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 4509 17:15:26.431026  # [  255.749740] Exception stack(0xc5eedfa8 to 0xc5eedff0)
 4510 17:15:26.431130  # [  255.755075] dfa0:                   00000017 00000017 00000001 b6dfd000 00000017 00000001
 4511 17:15:26.431214  # [  255.763549] dfc0: 00000017 00000017 7ff00000 00000004 00000001 b6dfd000 00020000 0044fe38
 4512 17:15:26.431295  # [  255.772016] dfe0: 00000004 befc97e8 b6ec333b b6e3c616
 4513 17:15:26.431374  # [  255.777431] irq event stamp: 0
 4514 17:15:26.434097  # [  255.780684] hardirqs last  enabled at (0): [<00000000>] 0x0
 4515 17:15:26.484368  # [  255.786537] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac
 4516 17:15:26.484752  # [  255.794429] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac
 4517 17:15:26.484860  # [  255.802198] softirqs last disabled at (0): [<00000000>] 0x0
 4518 17:15:26.484946  # [  255.808070] ---[ end trace af413873b24c9d3a ]---
 4519 17:15:26.485051  # [  255.812822] lkdtm: Saturation detected: still saturated
 4520 17:15:26.485132  # REFCOUNT_DEC_SATURATED: saw 'Saturation detected: still saturated': ok
 4521 17:15:26.485234  ok 53 selftests: lkdtm: REFCOUNT_DEC_SATURATED.sh
 4522 17:15:26.487779  # selftests: lkdtm: REFCOUNT_ADD_SATURATED.sh
 4523 17:15:26.847601  <6>[  256.826585] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED
 4524 17:15:26.848017  <6>[  256.831680] lkdtm: attempting bad refcount_dec() from saturated
 4525 17:15:26.848119  <4>[  256.837877] ------------[ cut here ]------------
 4526 17:15:26.848204  <4>[  256.842654] WARNING: CPU: 1 PID: 3012 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174
 4527 17:15:26.848286  <4>[  256.851457] refcount_t: saturated; leaking memory.
 4528 17:15:26.891167  <4>[  256.856430] Modules linked in: fuse ip_tables x_tables snd_soc_hdmi_codec stm32_adc stm32_timer_trigger stm32_lptimer_trigger snd_soc_audio_graph_card snd_soc_simple_card_utils snd_soc_stm32_sai_sub snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore adv7511 brcmfmac stm_drm sha256_generic etnaviv sha256_arm gpu_sched hci_uart btbcm cfg80211 bluetooth brcmutil ecdh_generic ecc libaes snd_soc_stm32_sai stm32_adc_core
 4529 17:15:26.891333  <4>[  256.895573] CPU: 1 PID: 3012 Comm: cat Tainted: G      D W         5.10.220-cip49 #1
 4530 17:15:26.891421  <4>[  256.903512] Hardware name: STM32 (Device Tree Support)
 4531 17:15:26.894438  <4>[  256.908924] Backtrace: 
 4532 17:15:26.934268  <4>[  256.911652] [<c13c07f0>] (dump_backtrace) from [<c13c0bb0>] (show_stack+0x20/0x24)
 4533 17:15:26.934631  <4>[  256.919500]  r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d018
 4534 17:15:26.934729  <4>[  256.925443] [<c13c0b90>] (show_stack) from [<c13c7e4c>] (dump_stack+0xe0/0x100)
 4535 17:15:26.934815  <4>[  256.933044] [<c13c7d6c>] (dump_stack) from [<c03567c0>] (__warn+0x98/0x14c)
 4536 17:15:26.934896  <4>[  256.940290]  r9:00000009 r8:c0877878 r7:00000016 r6:00000009 r5:c0877878 r4:c1a2b698
 4537 17:15:26.937776  <4>[  256.948329] [<c0356728>] (__warn) from [<c13c1cf0>] (warn_slowpath_fmt+0x8c/0xa8)
 4538 17:15:26.977577  <4>[  256.956096]  r7:00000016 r6:c1a2b698 r5:c1a2b670 r4:c507a000
 4539 17:15:26.977974  <4>[  256.962040] [<c13c1c68>] (warn_slowpath_fmt) from [<c0877878>] (refcount_warn_saturate+0xd4/0x174)
 4540 17:15:26.978093  <4>[  256.971296]  r9:c1ad7874 r8:c15ec1e0 r7:c507bf60 r6:00000017 r5:c4f0a000 r4:c507a000
 4541 17:15:26.978178  <4>[  256.979335] [<c08777a4>] (refcount_warn_saturate) from [<c0c5bf50>] (__refcount_add.constprop.0+0x44/0x58)
 4542 17:15:26.981047  <4>[  256.989291] [<c0c5bf0c>] (__refcount_add.constprop.0) from [<c13cf14c>] (lkdtm_REFCOUNT_ADD_SATURATED+0x4c/0x70)
 4543 17:15:27.021109  <4>[  256.999772] [<c13cf100>] (lkdtm_REFCOUNT_ADD_SATURATED) from [<c0c5aecc>] (lkdtm_do_action+0x2c/0x4c)
 4544 17:15:27.021248  <4>[  257.009280]  r4:00000037
 4545 17:15:27.021336  <4>[  257.012084] [<c0c5aea0>] (lkdtm_do_action) from [<c0c5b3cc>] (direct_entry+0x120/0x18c)
 4546 17:15:27.021423  <4>[  257.020385] [<c0c5b2ac>] (direct_entry) from [<c07e42b0>] (full_proxy_write+0x64/0x94)
 4547 17:15:27.021506  <4>[  257.028592]  r9:c507bf60 r8:c3aa9540 r7:00000017 r6:b6e89000 r5:c5ecbb40 r4:c0c5b2ac
 4548 17:15:27.064212  <4>[  257.036632] [<c07e424c>] (full_proxy_write) from [<c059c068>] (vfs_write+0x10c/0x54c)
 4549 17:15:27.064593  <4>[  257.044748]  r9:c07e424c r8:c507bf60 r7:c290d000 r6:b6e89000 r5:c5ecbb40 r4:00000000
 4550 17:15:27.064700  <4>[  257.052787] [<c059bf5c>] (vfs_write) from [<c059c624>] (ksys_write+0x74/0xec)
 4551 17:15:27.064784  <4>[  257.060209]  r10:00000004 r9:00000000 r8:00000000 r7:b6e89000 r6:c507a000 r5:c5ecbb40
 4552 17:15:27.064865  <4>[  257.068322]  r4:c5ecbb40
 4553 17:15:27.064944  <4>[  257.071128] [<c059c5b0>] (ksys_write) from [<c059c6b4>] (sys_write+0x18/0x1c)
 4554 17:15:27.067612  <4>[  257.078549]  r9:c507a000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000017 r4:00000017
 4555 17:15:27.107744  <4>[  257.086588] [<c059c69c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 4556 17:15:27.107870  <4>[  257.094438] Exception stack(0xc507bfa8 to 0xc507bff0)
 4557 17:15:27.107962  <4>[  257.099773] bfa0:                   00000017 00000017 00000001 b6e89000 00000017 00000001
 4558 17:15:27.108045  <4>[  257.108246] bfc0: 00000017 00000017 7ff00000 00000004 00000001 b6e89000 00020000 004efe38
 4559 17:15:27.108126  <4>[  257.116714] bfe0: 00000004 bec1e7e8 b6f4f33b b6ec8616
 4560 17:15:27.108206  <4>[  257.122134] irq event stamp: 0
 4561 17:15:27.150348  <4>[  257.125381] hardirqs last  enabled at (0): [<00000000>] 0x0
 4562 17:15:27.150774  <4>[  257.131332] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac
 4563 17:15:27.150873  <4>[  257.139113] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac
 4564 17:15:27.150956  <4>[  257.146816] softirqs last disabled at (0): [<00000000>] 0x0
 4565 17:15:27.151037  <4>[  257.152745] ---[ end trace af413873b24c9d3b ]---
 4566 17:15:27.153778  <6>[  257.157588] lkdtm: Saturation detected: still saturated
 4567 17:15:27.584880  # [  256.826585] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED
 4568 17:15:27.585054  # [  256.831680] lkdtm: attempting bad refcount_dec() from saturated
 4569 17:15:27.585144  # [  256.837877] ------------[ cut here ]------------
 4570 17:15:27.585248  # [  256.842654] WARNING: CPU: 1 PID: 3012 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x174
 4571 17:15:27.585334  # [  256.851457] refcount_t: saturated; leaking memory.
 4572 17:15:27.628432  # [  256.856430] Modules linked in: fuse ip_tables x_tables snd_soc_hdmi_codec stm32_adc stm32_timer_trigger stm32_lptimer_trigger snd_soc_audio_graph_card snd_soc_simple_card_utils snd_soc_stm32_sai_sub snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore adv7511 brcmfmac stm_drm sha256_generic etnaviv sha256_arm gpu_sched hci_uart btbcm cfg80211 bluetooth brcmutil ecdh_generic ecc libaes snd_soc_stm32_sai stm32_adc_core
 4573 17:15:27.628609  # [  256.895573] CPU: 1 PID: 3012 Comm: cat Tainted: G      D W         5.10.220-cip49 #1
 4574 17:15:27.631385  # [  256.903512] Hardware name: STM32 (Device Tree Support)
 4575 17:15:27.631504  # [  256.908924] Backtrace: 
 4576 17:15:27.671292  # [  256.911652] [<c13c07f0>] (dump_backtrace) from [<c13c0bb0>] (show_stack+0x20/0x24)
 4577 17:15:27.671457  # [  256.919500]  r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d018
 4578 17:15:27.671547  # [  256.925443] [<c13c0b90>] (show_stack) from [<c13c7e4c>] (dump_stack+0xe0/0x100)
 4579 17:15:27.671632  # [  256.933044] [<c13c7d6c>] (dump_stack) from [<c03567c0>] (__warn+0x98/0x14c)
 4580 17:15:27.671719  # [  256.940290]  r9:00000009 r8:c0877878 r7:00000016 r6:00000009 r5:c0877878 r4:c1a2b698
 4581 17:15:27.674391  # [  256.948329] [<c0356728>] (__warn) from [<c13c1cf0>] (warn_slowpath_fmt+0x8c/0xa8)
 4582 17:15:27.714225  # [  256.956096]  r7:00000016 r6:c1a2b698 r5:c1a2b670 r4:c507a000
 4583 17:15:27.714620  # [  256.962040] [<c13c1c68>] (warn_slowpath_fmt) from [<c0877878>] (refcount_warn_saturate+0xd4/0x174)
 4584 17:15:27.714723  # [  256.971296]  r9:c1ad7874 r8:c15ec1e0 r7:c507bf60 r6:00000017 r5:c4f0a000 r4:c507a000
 4585 17:15:27.714807  # [  256.979335] [<c08777a4>] (refcount_warn_saturate) from [<c0c5bf50>] (__refcount_add.constprop.0+0x44/0x58)
 4586 17:15:27.717474  # [  256.989291] [<c0c5bf0c>] (__refcount_add.constprop.0) from [<c13cf14c>] (lkdtm_REFCOUNT_ADD_SATURATED+0x4c/0x70)
 4587 17:15:27.757796  # [  256.999772] [<c13cf100>] (lkdtm_REFCOUNT_ADD_SATURATED) from [<c0c5aecc>] (lkdtm_do_action+0x2c/0x4c)
 4588 17:15:27.757949  # [  257.009280]  r4:00000037
 4589 17:15:27.758036  # [  257.012084] [<c0c5aea0>] (lkdtm_do_action) from [<c0c5b3cc>] (direct_entry+0x120/0x18c)
 4590 17:15:27.758118  # [  257.020385] [<c0c5b2ac>] (direct_entry) from [<c07e42b0>] (full_proxy_write+0x64/0x94)
 4591 17:15:27.758197  # [  257.028592]  r9:c507bf60 r8:c3aa9540 r7:00000017 r6:b6e89000 r5:c5ecbb40 r4:c0c5b2ac
 4592 17:15:27.801036  # [  257.036632] [<c07e424c>] (full_proxy_write) from [<c059c068>] (vfs_write+0x10c/0x54c)
 4593 17:15:27.801383  # [  257.044748]  r9:c07e424c r8:c507bf60 r7:c290d000 r6:b6e89000 r5:c5ecbb40 r4:00000000
 4594 17:15:27.801482  # [  257.052787] [<c059bf5c>] (vfs_write) from [<c059c624>] (ksys_write+0x74/0xec)
 4595 17:15:27.801563  # [  257.060209]  r10:00000004 r9:00000000 r8:00000000 r7:b6e89000 r6:c507a000 r5:c5ecbb40
 4596 17:15:27.801643  # [  257.068322]  r4:c5ecbb40
 4597 17:15:27.801720  # [  257.071128] [<c059c5b0>] (ksys_write) from [<c059c6b4>] (sys_write+0x18/0x1c)
 4598 17:15:27.804245  # [  257.078549]  r9:c507a000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000017 r4:00000017
 4599 17:15:27.844608  # [  257.086588] [<c059c69c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 4600 17:15:27.844738  # [  257.094438] Exception stack(0xc507bfa8 to 0xc507bff0)
 4601 17:15:27.844823  # [  257.099773] bfa0:                   00000017 00000017 00000001 b6e89000 00000017 00000001
 4602 17:15:27.844904  # [  257.108246] bfc0: 00000017 00000017 7ff00000 00000004 00000001 b6e89000 00020000 004efe38
 4603 17:15:27.844983  # [  257.116714] bfe0: 00000004 bec1e7e8 b6f4f33b b6ec8616
 4604 17:15:27.845061  # [  257.122134] irq event stamp: 0
 4605 17:15:27.847697  # [  257.125381] hardirqs last  enabled at (0): [<00000000>] 0x0
 4606 17:15:27.888140  # [  257.131332] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac
 4607 17:15:27.888302  # [  257.139113] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac
 4608 17:15:27.888387  # [  257.146816] softirqs last disabled at (0): [<00000000>] 0x0
 4609 17:15:27.888468  # [  257.152745] ---[ end trace af413873b24c9d3b ]---
 4610 17:15:27.888548  # [  257.157588] lkdtm: Saturation detected: still saturated
 4611 17:15:27.888628  # REFCOUNT_ADD_SATURATED: saw 'Saturation detected: still saturated': ok
 4612 17:15:27.891293  ok 54 selftests: lkdtm: REFCOUNT_ADD_SATURATED.sh
 4613 17:15:27.906494  # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh
 4614 17:15:28.287720  <6>[  258.269144] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED
 4615 17:15:28.287895  <6>[  258.274884] lkdtm: attempting bad refcount_inc_not_zero() from saturated
 4616 17:15:28.287985  <4>[  258.282097] ------------[ cut here ]------------
 4617 17:15:28.288070  <4>[  258.286786] WARNING: CPU: 0 PID: 3045 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174
 4618 17:15:28.288155  <4>[  258.295592] refcount_t: saturated; leaking memory.
 4619 17:15:28.331247  <4>[  258.300641] Modules linked in: fuse ip_tables x_tables snd_soc_hdmi_codec stm32_adc stm32_timer_trigger stm32_lptimer_trigger snd_soc_audio_graph_card snd_soc_simple_card_utils snd_soc_stm32_sai_sub snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore adv7511 brcmfmac stm_drm sha256_generic etnaviv sha256_arm gpu_sched hci_uart btbcm cfg80211 bluetooth brcmutil ecdh_generic ecc libaes snd_soc_stm32_sai stm32_adc_core
 4620 17:15:28.331368  <4>[  258.339690] CPU: 0 PID: 3045 Comm: cat Tainted: G      D W         5.10.220-cip49 #1
 4621 17:15:28.334530  <4>[  258.347641] Hardware name: STM32 (Device Tree Support)
 4622 17:15:28.373882  <4>[  258.353056] Backtrace: 
 4623 17:15:28.374211  <4>[  258.355786] [<c13c07f0>] (dump_backtrace) from [<c13c0bb0>] (show_stack+0x20/0x24)
 4624 17:15:28.374311  <4>[  258.363636]  r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d018
 4625 17:15:28.374396  <4>[  258.369580] [<c13c0b90>] (show_stack) from [<c13c7e4c>] (dump_stack+0xe0/0x100)
 4626 17:15:28.374477  <4>[  258.377183] [<c13c7d6c>] (dump_stack) from [<c03567c0>] (__warn+0x98/0x14c)
 4627 17:15:28.374557  <4>[  258.384430]  r9:00000009 r8:c0877844 r7:00000013 r6:00000009 r5:c0877844 r4:c1a2b698
 4628 17:15:28.417484  <4>[  258.392468] [<c0356728>] (__warn) from [<c13c1cf0>] (warn_slowpath_fmt+0x8c/0xa8)
 4629 17:15:28.417841  <4>[  258.400240]  r7:00000013 r6:c1a2b698 r5:c1a2b670 r4:c5d88000
 4630 17:15:28.417943  <4>[  258.406186] [<c13c1c68>] (warn_slowpath_fmt) from [<c0877844>] (refcount_warn_saturate+0xa0/0x174)
 4631 17:15:28.418029  <4>[  258.415443]  r9:c1ad788c r8:c15ec1e0 r7:c5d89f60 r6:00000020 r5:c5edf000 r4:c0000000
 4632 17:15:28.418112  <4>[  258.423484] [<c08777a4>] (refcount_warn_saturate) from [<c13ce9c4>] (__refcount_add_not_zero.constprop.0+0x64/0x78)
 4633 17:15:28.460653  <4>[  258.434229] [<c13ce960>] (__refcount_add_not_zero.constprop.0) from [<c13cf1c0>] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x50/0x88)
 4634 17:15:28.461018  <4>[  258.446271]  r5:c5edf000 r4:c5d88000
 4635 17:15:28.461120  <4>[  258.450128] [<c13cf170>] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED) from [<c0c5aecc>] (lkdtm_do_action+0x2c/0x4c)
 4636 17:15:28.461206  <4>[  258.460421]  r4:00000038
 4637 17:15:28.461288  <4>[  258.463227] [<c0c5aea0>] (lkdtm_do_action) from [<c0c5b3cc>] (direct_entry+0x120/0x18c)
 4638 17:15:28.461371  <4>[  258.471528] [<c0c5b2ac>] (direct_entry) from [<c07e42b0>] (full_proxy_write+0x64/0x94)
 4639 17:15:28.504216  <4>[  258.479736]  r9:c5d89f60 r8:c3aa9540 r7:00000020 r6:b6e3e000 r5:c5f2d280 r4:c0c5b2ac
 4640 17:15:28.504583  <4>[  258.487777] [<c07e424c>] (full_proxy_write) from [<c059c068>] (vfs_write+0x10c/0x54c)
 4641 17:15:28.504717  <4>[  258.495898]  r9:c07e424c r8:c5d89f60 r7:c290d000 r6:b6e3e000 r5:c5f2d280 r4:00000000
 4642 17:15:28.504841  <4>[  258.503937] [<c059bf5c>] (vfs_write) from [<c059c624>] (ksys_write+0x74/0xec)
 4643 17:15:28.504964  <4>[  258.511359]  r10:00000004 r9:00000000 r8:00000000 r7:b6e3e000 r6:c5d88000 r5:c5f2d280
 4644 17:15:28.505086  <4>[  258.519474]  r4:c5f2d280
 4645 17:15:28.547583  <4>[  258.522281] [<c059c5b0>] (ksys_write) from [<c059c6b4>] (sys_write+0x18/0x1c)
 4646 17:15:28.547994  <4>[  258.529705]  r9:c5d88000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000020 r4:00000020
 4647 17:15:28.548128  <4>[  258.537744] [<c059c69c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 4648 17:15:28.548251  <4>[  258.545596] Exception stack(0xc5d89fa8 to 0xc5d89ff0)
 4649 17:15:28.548374  <4>[  258.550932] 9fa0:                   00000020 00000020 00000001 b6e3e000 00000020 00000001
 4650 17:15:28.550923  <4>[  258.559407] 9fc0: 00000020 00000020 7ff00000 00000004 00000001 b6e3e000 00020000 0047fe38
 4651 17:15:28.601204  <4>[  258.567875] 9fe0: 00000004 bee297e8 b6f0433b b6e7d616
 4652 17:15:28.601372  <4>[  258.573320] irq event stamp: 0
 4653 17:15:28.601686  <4>[  258.576545] hardirqs last  enabled at (0): [<00000000>] 0x0
 4654 17:15:28.601775  <4>[  258.582500] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac
 4655 17:15:28.601858  <4>[  258.590280] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac
 4656 17:15:28.601939  <4>[  258.598038] softirqs last disabled at (0): [<00000000>] 0x0
 4657 17:15:28.602020  <4>[  258.603853] ---[ end trace af413873b24c9d3c ]---
 4658 17:15:28.604575  <6>[  258.608757] lkdtm: Saturation detected: still saturated
 4659 17:15:29.076534  # [  258.269144] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED
 4660 17:15:29.077023  # [  258.274884] lkdtm: attempting bad refcount_inc_not_zero() from saturated
 4661 17:15:29.077163  # [  258.282097] ------------[ cut here ]------------
 4662 17:15:29.077288  # [  258.286786] WARNING: CPU: 0 PID: 3045 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174
 4663 17:15:29.077414  # [  258.295592] refcount_t: saturated; leaking memory.
 4664 17:15:29.120091  # [  258.300641] Modules linked in: fuse ip_tables x_tables snd_soc_hdmi_codec stm32_adc stm32_timer_trigger stm32_lptimer_trigger snd_soc_audio_graph_card snd_soc_simple_card_utils snd_soc_stm32_sai_sub snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore adv7511 brcmfmac stm_drm sha256_generic etnaviv sha256_arm gpu_sched hci_uart btbcm cfg80211 bluetooth brcmutil ecdh_generic ecc libaes snd_soc_stm32_sai stm32_adc_core
 4665 17:15:29.120235  # [  258.339690] CPU: 0 PID: 3045 Comm: cat Tainted: G      D W         5.10.220-cip49 #1
 4666 17:15:29.120328  # [  258.347641] Hardware name: STM32 (Device Tree Support)
 4667 17:15:29.123244  # [  258.353056] Backtrace: 
 4668 17:15:29.163024  # [  258.355786] [<c13c07f0>] (dump_backtrace) from [<c13c0bb0>] (show_stack+0x20/0x24)
 4669 17:15:29.163426  # [  258.363636]  r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d018
 4670 17:15:29.163580  # [  258.369580] [<c13c0b90>] (show_stack) from [<c13c7e4c>] (dump_stack+0xe0/0x100)
 4671 17:15:29.163671  # [  258.377183] [<c13c7d6c>] (dump_stack) from [<c03567c0>] (__warn+0x98/0x14c)
 4672 17:15:29.163753  # [  258.384430]  r9:00000009 r8:c0877844 r7:00000013 r6:00000009 r5:c0877844 r4:c1a2b698
 4673 17:15:29.166347  # [  258.392468] [<c0356728>] (__warn) from [<c13c1cf0>] (warn_slowpath_fmt+0x8c/0xa8)
 4674 17:15:29.206589  # [  258.400240]  r7:00000013 r6:c1a2b698 r5:c1a2b670 r4:c5d88000
 4675 17:15:29.206959  # [  258.406186] [<c13c1c68>] (warn_slowpath_fmt) from [<c0877844>] (refcount_warn_saturate+0xa0/0x174)
 4676 17:15:29.207098  # [  258.415443]  r9:c1ad788c r8:c15ec1e0 r7:c5d89f60 r6:00000020 r5:c5edf000 r4:c0000000
 4677 17:15:29.207224  # [  258.423484] [<c08777a4>] (refcount_warn_saturate) from [<c13ce9c4>] (__refcount_add_not_zero.constprop.0+0x64/0x78)
 4678 17:15:29.249905  # [  258.434229] [<c13ce960>] (__refcount_add_not_zero.constprop.0) from [<c13cf1c0>] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x50/0x88)
 4679 17:15:29.250105  # [  258.446271]  r5:c5edf000 r4:c5d88000
 4680 17:15:29.250415  # [  258.450128] [<c13cf170>] (lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED) from [<c0c5aecc>] (lkdtm_do_action+0x2c/0x4c)
 4681 17:15:29.250505  # [  258.460421]  r4:00000038
 4682 17:15:29.250586  # [  258.463227] [<c0c5aea0>] (lkdtm_do_action) from [<c0c5b3cc>] (direct_entry+0x120/0x18c)
 4683 17:15:29.250668  # [  258.471528] [<c0c5b2ac>] (direct_entry) from [<c07e42b0>] (full_proxy_write+0x64/0x94)
 4684 17:15:29.253205  # [  258.479736]  r9:c5d89f60 r8:c3aa9540 r7:00000020 r6:b6e3e000 r5:c5f2d280 r4:c0c5b2ac
 4685 17:15:29.293150  # [  258.487777] [<c07e424c>] (full_proxy_write) from [<c059c068>] (vfs_write+0x10c/0x54c)
 4686 17:15:29.293332  # [  258.495898]  r9:c07e424c r8:c5d89f60 r7:c290d000 r6:b6e3e000 r5:c5f2d280 r4:00000000
 4687 17:15:29.293425  # [  258.503937] [<c059bf5c>] (vfs_write) from [<c059c624>] (ksys_write+0x74/0xec)
 4688 17:15:29.293506  # [  258.511359]  r10:00000004 r9:00000000 r8:00000000 r7:b6e3e000 r6:c5d88000 r5:c5f2d280
 4689 17:15:29.293585  # [  258.519474]  r4:c5f2d280
 4690 17:15:29.296136  # [  258.522281] [<c059c5b0>] (ksys_write) from [<c059c6b4>] (sys_write+0x18/0x1c)
 4691 17:15:29.336541  # [  258.529705]  r9:c5d88000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000020 r4:00000020
 4692 17:15:29.336933  # [  258.537744] [<c059c69c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 4693 17:15:29.337039  # [  258.545596] Exception stack(0xc5d89fa8 to 0xc5d89ff0)
 4694 17:15:29.337125  # [  258.550932] 9fa0:                   00000020 00000020 00000001 b6e3e000 00000020 00000001
 4695 17:15:29.337210  # [  258.559407] 9fc0: 00000020 00000020 7ff00000 00000004 00000001 b6e3e000 00020000 0047fe38
 4696 17:15:29.337293  # [  258.567875] 9fe0: 00000004 bee297e8 b6f0433b b6e7d616
 4697 17:15:29.339848  # [  258.573320] irq event stamp: 0
 4698 17:15:29.379684  # [  258.576545] hardirqs last  enabled at (0): [<00000000>] 0x0
 4699 17:15:29.380023  # [  258.582500] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac
 4700 17:15:29.380129  # [  258.590280] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac
 4701 17:15:29.380250  # [  258.598038] softirqs last disabled at (0): [<00000000>] 0x0
 4702 17:15:29.380341  # [  258.603853] ---[ end trace af413873b24c9d3c ]---
 4703 17:15:29.380421  # [  258.608757] lkdtm: Saturation detected: still saturated
 4704 17:15:29.382929  # REFCOUNT_INC_NOT_ZERO_SATURATED: missing 'call trace:': [FAIL]
 4705 17:15:29.400263  not ok 55 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh # exit=1
 4706 17:15:29.403497  # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh
 4707 17:15:29.812768  <6>[  259.794073] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED
 4708 17:15:29.812959  <6>[  259.799959] lkdtm: attempting bad refcount_add_not_zero() from saturated
 4709 17:15:29.813048  <4>[  259.806797] ------------[ cut here ]------------
 4710 17:15:29.813132  <4>[  259.811826] WARNING: CPU: 0 PID: 3080 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174
 4711 17:15:29.813216  <4>[  259.820520] refcount_t: saturated; leaking memory.
 4712 17:15:29.856217  <4>[  259.825490] Modules linked in: fuse ip_tables x_tables snd_soc_hdmi_codec stm32_adc stm32_timer_trigger stm32_lptimer_trigger snd_soc_audio_graph_card snd_soc_simple_card_utils snd_soc_stm32_sai_sub snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore adv7511 brcmfmac stm_drm sha256_generic etnaviv sha256_arm gpu_sched hci_uart btbcm cfg80211 bluetooth brcmutil ecdh_generic ecc libaes snd_soc_stm32_sai stm32_adc_core
 4713 17:15:29.856375  <4>[  259.864631] CPU: 0 PID: 3080 Comm: cat Tainted: G      D W         5.10.220-cip49 #1
 4714 17:15:29.859320  <4>[  259.872572] Hardware name: STM32 (Device Tree Support)
 4715 17:15:29.899128  <4>[  259.877986] Backtrace: 
 4716 17:15:29.899506  <4>[  259.880715] [<c13c07f0>] (dump_backtrace) from [<c13c0bb0>] (show_stack+0x20/0x24)
 4717 17:15:29.899606  <4>[  259.888565]  r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d018
 4718 17:15:29.899690  <4>[  259.894508] [<c13c0b90>] (show_stack) from [<c13c7e4c>] (dump_stack+0xe0/0x100)
 4719 17:15:29.899772  <4>[  259.902109] [<c13c7d6c>] (dump_stack) from [<c03567c0>] (__warn+0x98/0x14c)
 4720 17:15:29.899853  <4>[  259.909355]  r9:00000009 r8:c0877844 r7:00000013 r6:00000009 r5:c0877844 r4:c1a2b698
 4721 17:15:29.942517  <4>[  259.917394] [<c0356728>] (__warn) from [<c13c1cf0>] (warn_slowpath_fmt+0x8c/0xa8)
 4722 17:15:29.942844  <4>[  259.925164]  r7:00000013 r6:c1a2b698 r5:c1a2b670 r4:c507a000
 4723 17:15:29.942939  <4>[  259.931111] [<c13c1c68>] (warn_slowpath_fmt) from [<c0877844>] (refcount_warn_saturate+0xa0/0x174)
 4724 17:15:29.943023  <4>[  259.940371]  r9:c1ad78ac r8:c15ec1e0 r7:c507bf60 r6:00000020 r5:c5edf000 r4:c0000000
 4725 17:15:29.943137  <4>[  259.948414] [<c08777a4>] (refcount_warn_saturate) from [<c13ce9c4>] (__refcount_add_not_zero.constprop.0+0x64/0x78)
 4726 17:15:29.985527  <4>[  259.959161] [<c13ce960>] (__refcount_add_not_zero.constprop.0) from [<c13cf248>] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x50/0x88)
 4727 17:15:29.985860  <4>[  259.971205]  r5:c5edf000 r4:c507a000
 4728 17:15:29.985954  <4>[  259.975062] [<c13cf1f8>] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED) from [<c0c5aecc>] (lkdtm_do_action+0x2c/0x4c)
 4729 17:15:29.986043  <4>[  259.985358]  r4:00000039
 4730 17:15:29.986125  <4>[  259.988163] [<c0c5aea0>] (lkdtm_do_action) from [<c0c5b3cc>] (direct_entry+0x120/0x18c)
 4731 17:15:29.986246  <4>[  259.996466] [<c0c5b2ac>] (direct_entry) from [<c07e42b0>] (full_proxy_write+0x64/0x94)
 4732 17:15:30.029023  <4>[  260.004674]  r9:c507bf60 r8:c3aa9540 r7:00000020 r6:b6e84000 r5:c5af3dc0 r4:c0c5b2ac
 4733 17:15:30.029356  <4>[  260.012716] [<c07e424c>] (full_proxy_write) from [<c059c068>] (vfs_write+0x10c/0x54c)
 4734 17:15:30.029452  <4>[  260.020834]  r9:c07e424c r8:c507bf60 r7:c290d000 r6:b6e84000 r5:c5af3dc0 r4:00000000
 4735 17:15:30.029537  <4>[  260.028874] [<c059bf5c>] (vfs_write) from [<c059c624>] (ksys_write+0x74/0xec)
 4736 17:15:30.029617  <4>[  260.036296]  r10:00000004 r9:00000000 r8:00000000 r7:b6e84000 r6:c507a000 r5:c5af3dc0
 4737 17:15:30.029698  <4>[  260.044411]  r4:c5af3dc0
 4738 17:15:30.072464  <4>[  260.047217] [<c059c5b0>] (ksys_write) from [<c059c6b4>] (sys_write+0x18/0x1c)
 4739 17:15:30.072792  <4>[  260.054640]  r9:c507a000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000020 r4:00000020
 4740 17:15:30.072887  <4>[  260.062680] [<c059c69c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 4741 17:15:30.072971  <4>[  260.070531] Exception stack(0xc507bfa8 to 0xc507bff0)
 4742 17:15:30.073054  <4>[  260.075866] bfa0:                   00000020 00000020 00000001 b6e84000 00000020 00000001
 4743 17:15:30.075735  <4>[  260.084341] bfc0: 00000020 00000020 7ff00000 00000004 00000001 b6e84000 00020000 0048fe38
 4744 17:15:30.125978  <4>[  260.092809] bfe0: 00000004 beb197e8 b6f4a33b b6ec3616
 4745 17:15:30.126233  <4>[  260.098230] irq event stamp: 0
 4746 17:15:30.126587  <4>[  260.101476] hardirqs last  enabled at (0): [<00000000>] 0x0
 4747 17:15:30.126716  <4>[  260.107382] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac
 4748 17:15:30.126840  <4>[  260.115145] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac
 4749 17:15:30.126964  <4>[  260.123013] softirqs last disabled at (0): [<00000000>] 0x0
 4750 17:15:30.127085  <4>[  260.128779] ---[ end trace af413873b24c9d3d ]---
 4751 17:15:30.129070  <6>[  260.133602] lkdtm: Saturation detected: still saturated
 4752 17:15:30.573131  # [  259.794073] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED
 4753 17:15:30.573399  # [  259.799959] lkdtm: attempting bad refcount_add_not_zero() from saturated
 4754 17:15:30.573526  # [  259.806797] ------------[ cut here ]------------
 4755 17:15:30.573647  # [  259.811826] WARNING: CPU: 0 PID: 3080 at lib/refcount.c:19 refcount_warn_saturate+0xa0/0x174
 4756 17:15:30.573769  # [  259.820520] refcount_t: saturated; leaking memory.
 4757 17:15:30.616162  # [  259.825490] Modules linked in: fuse ip_tables x_tables snd_soc_hdmi_codec stm32_adc stm32_timer_trigger stm32_lptimer_trigger snd_soc_audio_graph_card snd_soc_simple_card_utils snd_soc_stm32_sai_sub snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore adv7511 brcmfmac stm_drm sha256_generic etnaviv sha256_arm gpu_sched hci_uart btbcm cfg80211 bluetooth brcmutil ecdh_generic ecc libaes snd_soc_stm32_sai stm32_adc_core
 4758 17:15:30.616330  # [  259.864631] CPU: 0 PID: 3080 Comm: cat Tainted: G      D W         5.10.220-cip49 #1
 4759 17:15:30.619297  # [  259.872572] Hardware name: STM32 (Device Tree Support)
 4760 17:15:30.659469  # [  259.877986] Backtrace: 
 4761 17:15:30.659821  # [  259.880715] [<c13c07f0>] (dump_backtrace) from [<c13c0bb0>] (show_stack+0x20/0x24)
 4762 17:15:30.659919  # [  259.888565]  r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d018
 4763 17:15:30.660004  # [  259.894508] [<c13c0b90>] (show_stack) from [<c13c7e4c>] (dump_stack+0xe0/0x100)
 4764 17:15:30.660085  # [  259.902109] [<c13c7d6c>] (dump_stack) from [<c03567c0>] (__warn+0x98/0x14c)
 4765 17:15:30.660165  # [  259.909355]  r9:00000009 r8:c0877844 r7:00000013 r6:00000009 r5:c0877844 r4:c1a2b698
 4766 17:15:30.702679  # [  259.917394] [<c0356728>] (__warn) from [<c13c1cf0>] (warn_slowpath_fmt+0x8c/0xa8)
 4767 17:15:30.703155  # [  259.925164]  r7:00000013 r6:c1a2b698 r5:c1a2b670 r4:c507a000
 4768 17:15:30.703255  # [  259.931111] [<c13c1c68>] (warn_slowpath_fmt) from [<c0877844>] (refcount_warn_saturate+0xa0/0x174)
 4769 17:15:30.703338  # [  259.940371]  r9:c1ad78ac r8:c15ec1e0 r7:c507bf60 r6:00000020 r5:c5edf000 r4:c0000000
 4770 17:15:30.703419  # [  259.948414] [<c08777a4>] (refcount_warn_saturate) from [<c13ce9c4>] (__refcount_add_not_zero.constprop.0+0x64/0x78)
 4771 17:15:30.745825  # [  259.959161] [<c13ce960>] (__refcount_add_not_zero.constprop.0) from [<c13cf248>] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x50/0x88)
 4772 17:15:30.746195  # [  259.971205]  r5:c5edf000 r4:c507a000
 4773 17:15:30.746330  # [  259.975062] [<c13cf1f8>] (lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED) from [<c0c5aecc>] (lkdtm_do_action+0x2c/0x4c)
 4774 17:15:30.746458  # [  259.985358]  r4:00000039
 4775 17:15:30.746579  # [  259.988163] [<c0c5aea0>] (lkdtm_do_action) from [<c0c5b3cc>] (direct_entry+0x120/0x18c)
 4776 17:15:30.746701  # [  259.996466] [<c0c5b2ac>] (direct_entry) from [<c07e42b0>] (full_proxy_write+0x64/0x94)
 4777 17:15:30.789107  # [  260.004674]  r9:c507bf60 r8:c3aa9540 r7:00000020 r6:b6e84000 r5:c5af3dc0 r4:c0c5b2ac
 4778 17:15:30.789492  # [  260.012716] [<c07e424c>] (full_proxy_write) from [<c059c068>] (vfs_write+0x10c/0x54c)
 4779 17:15:30.789623  # [  260.020834]  r9:c07e424c r8:c507bf60 r7:c290d000 r6:b6e84000 r5:c5af3dc0 r4:00000000
 4780 17:15:30.789745  # [  260.028874] [<c059bf5c>] (vfs_write) from [<c059c624>] (ksys_write+0x74/0xec)
 4781 17:15:30.789867  # [  260.036296]  r10:00000004 r9:00000000 r8:00000000 r7:b6e84000 r6:c507a000 r5:c5af3dc0
 4782 17:15:30.789987  # [  260.044411]  r4:c5af3dc0
 4783 17:15:30.792291  # [  260.047217] [<c059c5b0>] (ksys_write) from [<c059c6b4>] (sys_write+0x18/0x1c)
 4784 17:15:30.832684  # [  260.054640]  r9:c507a000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000020 r4:00000020
 4785 17:15:30.832858  # [  260.062680] [<c059c69c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 4786 17:15:30.832984  # [  260.070531] Exception stack(0xc507bfa8 to 0xc507bff0)
 4787 17:15:30.833106  # [  260.075866] bfa0:                   00000020 00000020 00000001 b6e84000 00000020 00000001
 4788 17:15:30.833226  # [  260.084341] bfc0: 00000020 00000020 7ff00000 00000004 00000001 b6e84000 00020000 0048fe38
 4789 17:15:30.835592  # [  260.092809] bfe0: 00000004 beb197e8 b6f4a33b b6ec3616
 4790 17:15:30.875761  # [  260.098230] irq event stamp: 0
 4791 17:15:30.876121  # [  260.101476] hardirqs last  enabled at (0): [<00000000>] 0x0
 4792 17:15:30.876214  # [  260.107382] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac
 4793 17:15:30.876295  # [  260.115145] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac
 4794 17:15:30.876373  # [  260.123013] softirqs last disabled at (0): [<00000000>] 0x0
 4795 17:15:30.876451  # [  260.128779] ---[ end trace af413873b24c9d3d ]---
 4796 17:15:30.878857  # [  260.133602] lkdtm: Saturation detected: still saturated
 4797 17:15:30.901913  # REFCOUNT_ADD_NOT_ZERO_SATURATED: missing 'call trace:': [FAIL]
 4798 17:15:30.902241  not ok 56 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh # exit=1
 4799 17:15:30.905048  # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh
 4800 17:15:31.305165  <6>[  261.286519] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED
 4801 17:15:31.305351  <6>[  261.292412] lkdtm: attempting bad refcount_dec_and_test() from saturated
 4802 17:15:31.305439  <4>[  261.299414] ------------[ cut here ]------------
 4803 17:15:31.305522  <4>[  261.304167] WARNING: CPU: 0 PID: 3118 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174
 4804 17:15:31.305605  <4>[  261.313063] refcount_t: underflow; use-after-free.
 4805 17:15:31.348306  <4>[  261.318113] Modules linked in: fuse ip_tables x_tables snd_soc_hdmi_codec stm32_adc stm32_timer_trigger stm32_lptimer_trigger snd_soc_audio_graph_card snd_soc_simple_card_utils snd_soc_stm32_sai_sub snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore adv7511 brcmfmac stm_drm sha256_generic etnaviv sha256_arm gpu_sched hci_uart btbcm cfg80211 bluetooth brcmutil ecdh_generic ecc libaes snd_soc_stm32_sai stm32_adc_core
 4806 17:15:31.348506  <4>[  261.357195] CPU: 0 PID: 3118 Comm: cat Tainted: G      D W         5.10.220-cip49 #1
 4807 17:15:31.351357  <4>[  261.365120] Hardware name: STM32 (Device Tree Support)
 4808 17:15:31.391581  <4>[  261.370533] Backtrace: 
 4809 17:15:31.391947  <4>[  261.373261] [<c13c07f0>] (dump_backtrace) from [<c13c0bb0>] (show_stack+0x20/0x24)
 4810 17:15:31.392079  <4>[  261.381112]  r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d018
 4811 17:15:31.392202  <4>[  261.387056] [<c13c0b90>] (show_stack) from [<c13c7e4c>] (dump_stack+0xe0/0x100)
 4812 17:15:31.392323  <4>[  261.394659] [<c13c7d6c>] (dump_stack) from [<c03567c0>] (__warn+0x98/0x14c)
 4813 17:15:31.392444  <4>[  261.401907]  r9:00000009 r8:c08778e0 r7:0000001c r6:00000009 r5:c08778e0 r4:c1a2b698
 4814 17:15:31.434890  <4>[  261.409946] [<c0356728>] (__warn) from [<c13c1cf0>] (warn_slowpath_fmt+0x8c/0xa8)
 4815 17:15:31.435252  <4>[  261.417719]  r7:0000001c r6:c1a2b698 r5:c1a2b6d4 r4:c507a000
 4816 17:15:31.435383  <4>[  261.423665] [<c13c1c68>] (warn_slowpath_fmt) from [<c08778e0>] (refcount_warn_saturate+0x13c/0x174)
 4817 17:15:31.435514  <4>[  261.433012]  r9:c1ad78cc r8:c15ec1e0 r7:c507bf60 r6:00000020 r5:c5edd000 r4:c507a000
 4818 17:15:31.435639  <4>[  261.441055] [<c08777a4>] (refcount_warn_saturate) from [<c0c5bfc8>] (__refcount_sub_and_test.constprop.0+0x64/0x6c)
 4819 17:15:31.477998  <4>[  261.451802] [<c0c5bf64>] (__refcount_sub_and_test.constprop.0) from [<c13cf2d0>] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x50/0x88)
 4820 17:15:31.478332  <4>[  261.463857] [<c13cf280>] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED) from [<c0c5aecc>] (lkdtm_do_action+0x2c/0x4c)
 4821 17:15:31.478429  <4>[  261.474155]  r4:0000003a
 4822 17:15:31.478513  <4>[  261.476961] [<c0c5aea0>] (lkdtm_do_action) from [<c0c5b3cc>] (direct_entry+0x120/0x18c)
 4823 17:15:31.478598  <4>[  261.485263] [<c0c5b2ac>] (direct_entry) from [<c07e42b0>] (full_proxy_write+0x64/0x94)
 4824 17:15:31.481269  <4>[  261.493470]  r9:c507bf60 r8:c3aa9540 r7:00000020 r6:b6de4000 r5:c5e20780 r4:c0c5b2ac
 4825 17:15:31.521797  <4>[  261.501513] [<c07e424c>] (full_proxy_write) from [<c059c068>] (vfs_write+0x10c/0x54c)
 4826 17:15:31.521906  <4>[  261.509632]  r9:c07e424c r8:c507bf60 r7:c290d000 r6:b6de4000 r5:c5e20780 r4:00000000
 4827 17:15:31.521993  <4>[  261.517672] [<c059bf5c>] (vfs_write) from [<c059c624>] (ksys_write+0x74/0xec)
 4828 17:15:31.522076  <4>[  261.525097]  r10:00000004 r9:00000000 r8:00000000 r7:b6de4000 r6:c507a000 r5:c5e20780
 4829 17:15:31.522158  <4>[  261.533214]  r4:c5e20780
 4830 17:15:31.524932  <4>[  261.536022] [<c059c5b0>] (ksys_write) from [<c059c6b4>] (sys_write+0x18/0x1c)
 4831 17:15:31.565166  <4>[  261.543448]  r9:c507a000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000020 r4:00000020
 4832 17:15:31.565274  <4>[  261.551492] [<c059c69c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 4833 17:15:31.565357  <4>[  261.559347] Exception stack(0xc507bfa8 to 0xc507bff0)
 4834 17:15:31.565439  <4>[  261.564684] bfa0:                   00000020 00000020 00000001 b6de4000 00000020 00000001
 4835 17:15:31.565520  <4>[  261.573163] bfc0: 00000020 00000020 7ff00000 00000004 00000001 b6de4000 00020000 0047fe38
 4836 17:15:31.568313  <4>[  261.581635] bfe0: 00000004 bedc77e8 b6eaa33b b6e23616
 4837 17:15:31.618109  <4>[  261.587083] irq event stamp: 0
 4838 17:15:31.618527  <4>[  261.590378] hardirqs last  enabled at (0): [<00000000>] 0x0
 4839 17:15:31.618639  <4>[  261.596158] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac
 4840 17:15:31.618726  <4>[  261.604048] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac
 4841 17:15:31.618808  <4>[  261.611823] softirqs last disabled at (0): [<00000000>] 0x0
 4842 17:15:31.618889  <4>[  261.617673] ---[ end trace af413873b24c9d3e ]---
 4843 17:15:31.621419  <6>[  261.622447] lkdtm: Saturation detected: still saturated
 4844 17:15:32.005922  # [  261.286519] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED
 4845 17:15:32.006289  # [  261.292412] lkdtm: attempting bad refcount_dec_and_test() from saturated
 4846 17:15:32.006416  # [  261.299414] ------------[ cut here ]------------
 4847 17:15:32.006537  # [  261.304167] WARNING: CPU: 0 PID: 3118 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174
 4848 17:15:32.006659  # [  261.313063] refcount_t: underflow; use-after-free.
 4849 17:15:32.049408  # [  261.318113] Modules linked in: fuse ip_tables x_tables snd_soc_hdmi_codec stm32_adc stm32_timer_trigger stm32_lptimer_trigger snd_soc_audio_graph_card snd_soc_simple_card_utils snd_soc_stm32_sai_sub snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore adv7511 brcmfmac stm_drm sha256_generic etnaviv sha256_arm gpu_sched hci_uart btbcm cfg80211 bluetooth brcmutil ecdh_generic ecc libaes snd_soc_stm32_sai stm32_adc_core
 4850 17:15:32.049584  # [  261.357195] CPU: 0 PID: 3118 Comm: cat Tainted: G      D W         5.10.220-cip49 #1
 4851 17:15:32.052812  # [  261.365120] Hardware name: STM32 (Device Tree Support)
 4852 17:15:32.092440  # [  261.370533] Backtrace: 
 4853 17:15:32.092882  # [  261.373261] [<c13c07f0>] (dump_backtrace) from [<c13c0bb0>] (show_stack+0x20/0x24)
 4854 17:15:32.093017  # [  261.381112]  r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d018
 4855 17:15:32.093113  # [  261.387056] [<c13c0b90>] (show_stack) from [<c13c7e4c>] (dump_stack+0xe0/0x100)
 4856 17:15:32.093230  # [  261.394659] [<c13c7d6c>] (dump_stack) from [<c03567c0>] (__warn+0x98/0x14c)
 4857 17:15:32.093323  # [  261.401907]  r9:00000009 r8:c08778e0 r7:0000001c r6:00000009 r5:c08778e0 r4:c1a2b698
 4858 17:15:32.135934  # [  261.409946] [<c0356728>] (__warn) from [<c13c1cf0>] (warn_slowpath_fmt+0x8c/0xa8)
 4859 17:15:32.136297  # [  261.417719]  r7:0000001c r6:c1a2b698 r5:c1a2b6d4 r4:c507a000
 4860 17:15:32.136406  # [  261.423665] [<c13c1c68>] (warn_slowpath_fmt) from [<c08778e0>] (refcount_warn_saturate+0x13c/0x174)
 4861 17:15:32.136492  # [  261.433012]  r9:c1ad78cc r8:c15ec1e0 r7:c507bf60 r6:00000020 r5:c5edd000 r4:c507a000
 4862 17:15:32.136576  # [  261.441055] [<c08777a4>] (refcount_warn_saturate) from [<c0c5bfc8>] (__refcount_sub_and_test.constprop.0+0x64/0x6c)
 4863 17:15:32.179325  # [  261.451802] [<c0c5bf64>] (__refcount_sub_and_test.constprop.0) from [<c13cf2d0>] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x50/0x88)
 4864 17:15:32.179758  # [  261.463857] [<c13cf280>] (lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED) from [<c0c5aecc>] (lkdtm_do_action+0x2c/0x4c)
 4865 17:15:32.179869  # [  261.474155]  r4:0000003a
 4866 17:15:32.179953  # [  261.476961] [<c0c5aea0>] (lkdtm_do_action) from [<c0c5b3cc>] (direct_entry+0x120/0x18c)
 4867 17:15:32.180035  # [  261.485263] [<c0c5b2ac>] (direct_entry) from [<c07e42b0>] (full_proxy_write+0x64/0x94)
 4868 17:15:32.182743  # [  261.493470]  r9:c507bf60 r8:c3aa9540 r7:00000020 r6:b6de4000 r5:c5e20780 r4:c0c5b2ac
 4869 17:15:32.222679  # [  261.501513] [<c07e424c>] (full_proxy_write) from [<c059c068>] (vfs_write+0x10c/0x54c)
 4870 17:15:32.223138  # [  261.509632]  r9:c07e424c r8:c507bf60 r7:c290d000 r6:b6de4000 r5:c5e20780 r4:00000000
 4871 17:15:32.223249  # [  261.517672] [<c059bf5c>] (vfs_write) from [<c059c624>] (ksys_write+0x74/0xec)
 4872 17:15:32.223344  # [  261.525097]  r10:00000004 r9:00000000 r8:00000000 r7:b6de4000 r6:c507a000 r5:c5e20780
 4873 17:15:32.223429  # [  261.533214]  r4:c5e20780
 4874 17:15:32.223524  # [  261.536022] [<c059c5b0>] (ksys_write) from [<c059c6b4>] (sys_write+0x18/0x1c)
 4875 17:15:32.265996  # [  261.543448]  r9:c507a000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000020 r4:00000020
 4876 17:15:32.266354  # [  261.551492] [<c059c69c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 4877 17:15:32.266462  # [  261.559347] Exception stack(0xc507bfa8 to 0xc507bff0)
 4878 17:15:32.266546  # [  261.564684] bfa0:                   00000020 00000020 00000001 b6de4000 00000020 00000001
 4879 17:15:32.266629  # [  261.573163] bfc0: 00000020 00000020 7ff00000 00000004 00000001 b6de4000 00020000 0047fe38
 4880 17:15:32.266709  # [  261.581635] bfe0: 00000004 bedc77e8 b6eaa33b b6e23616
 4881 17:15:32.269579  # [  261.587083] irq event stamp: 0
 4882 17:15:32.309317  # [  261.590378] hardirqs last  enabled at (0): [<00000000>] 0x0
 4883 17:15:32.309640  # [  261.596158] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac
 4884 17:15:32.309770  # [  261.604048] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac
 4885 17:15:32.309862  # [  261.611823] softirqs last disabled at (0): [<00000000>] 0x0
 4886 17:15:32.309978  # [  261.617673] ---[ end trace af413873b24c9d3e ]---
 4887 17:15:32.310068  # [  261.622447] lkdtm: Saturation detected: still saturated
 4888 17:15:32.312748  # REFCOUNT_DEC_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok
 4889 17:15:32.329994  ok 57 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh
 4890 17:15:32.333123  # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh
 4891 17:15:32.745438  <6>[  262.726749] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED
 4892 17:15:32.745628  <6>[  262.732616] lkdtm: attempting bad refcount_sub_and_test() from saturated
 4893 17:15:32.745716  <4>[  262.739605] ------------[ cut here ]------------
 4894 17:15:32.745797  <4>[  262.744394] WARNING: CPU: 0 PID: 3154 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174
 4895 17:15:32.745879  <4>[  262.753264] refcount_t: underflow; use-after-free.
 4896 17:15:32.788882  <4>[  262.758342] Modules linked in: fuse ip_tables x_tables snd_soc_hdmi_codec stm32_adc stm32_timer_trigger stm32_lptimer_trigger snd_soc_audio_graph_card snd_soc_simple_card_utils snd_soc_stm32_sai_sub snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore adv7511 brcmfmac stm_drm sha256_generic etnaviv sha256_arm gpu_sched hci_uart btbcm cfg80211 bluetooth brcmutil ecdh_generic ecc libaes snd_soc_stm32_sai stm32_adc_core
 4897 17:15:32.789000  <4>[  262.797390] CPU: 0 PID: 3154 Comm: cat Tainted: G      D W         5.10.220-cip49 #1
 4898 17:15:32.791835  <4>[  262.805340] Hardware name: STM32 (Device Tree Support)
 4899 17:15:32.831735  <4>[  262.810756] Backtrace: 
 4900 17:15:32.832053  <4>[  262.813484] [<c13c07f0>] (dump_backtrace) from [<c13c0bb0>] (show_stack+0x20/0x24)
 4901 17:15:32.832186  <4>[  262.821334]  r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d018
 4902 17:15:32.832310  <4>[  262.827278] [<c13c0b90>] (show_stack) from [<c13c7e4c>] (dump_stack+0xe0/0x100)
 4903 17:15:32.832434  <4>[  262.834879] [<c13c7d6c>] (dump_stack) from [<c03567c0>] (__warn+0x98/0x14c)
 4904 17:15:32.832560  <4>[  262.842127]  r9:00000009 r8:c08778e0 r7:0000001c r6:00000009 r5:c08778e0 r4:c1a2b698
 4905 17:15:32.875186  <4>[  262.850166] [<c0356728>] (__warn) from [<c13c1cf0>] (warn_slowpath_fmt+0x8c/0xa8)
 4906 17:15:32.875511  <4>[  262.857938]  r7:0000001c r6:c1a2b698 r5:c1a2b6d4 r4:c5804000
 4907 17:15:32.875925  <4>[  262.863885] [<c13c1c68>] (warn_slowpath_fmt) from [<c08778e0>] (refcount_warn_saturate+0x13c/0x174)
 4908 17:15:32.876031  <4>[  262.873231]  r9:c1ad78ec r8:c15ec1e0 r7:c5805f60 r6:00000020 r5:c5edd000 r4:c5804000
 4909 17:15:32.876317  <4>[  262.881274] [<c08777a4>] (refcount_warn_saturate) from [<c0c5bfc8>] (__refcount_sub_and_test.constprop.0+0x64/0x6c)
 4910 17:15:32.918543  <4>[  262.892021] [<c0c5bf64>] (__refcount_sub_and_test.constprop.0) from [<c13cf358>] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x50/0x88)
 4911 17:15:32.918905  <4>[  262.904075] [<c13cf308>] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED) from [<c0c5aecc>] (lkdtm_do_action+0x2c/0x4c)
 4912 17:15:32.918996  <4>[  262.914371]  r4:0000003b
 4913 17:15:32.919078  <4>[  262.917176] [<c0c5aea0>] (lkdtm_do_action) from [<c0c5b3cc>] (direct_entry+0x120/0x18c)
 4914 17:15:32.919161  <4>[  262.925478] [<c0c5b2ac>] (direct_entry) from [<c07e42b0>] (full_proxy_write+0x64/0x94)
 4915 17:15:32.922070  <4>[  262.933687]  r9:c5805f60 r8:c3aa9540 r7:00000020 r6:b6df2000 r5:c5c80780 r4:c0c5b2ac
 4916 17:15:32.962054  <4>[  262.941730] [<c07e424c>] (full_proxy_write) from [<c059c068>] (vfs_write+0x10c/0x54c)
 4917 17:15:32.962163  <4>[  262.949850]  r9:c07e424c r8:c5805f60 r7:c290d000 r6:b6df2000 r5:c5c80780 r4:00000000
 4918 17:15:32.962247  <4>[  262.957889] [<c059bf5c>] (vfs_write) from [<c059c624>] (ksys_write+0x74/0xec)
 4919 17:15:32.962329  <4>[  262.965313]  r10:00000004 r9:00000000 r8:00000000 r7:b6df2000 r6:c5804000 r5:c5c80780
 4920 17:15:32.962409  <4>[  262.973429]  r4:c5c80780
 4921 17:15:32.965451  <4>[  262.976236] [<c059c5b0>] (ksys_write) from [<c059c6b4>] (sys_write+0x18/0x1c)
 4922 17:15:33.005358  <4>[  262.983660]  r9:c5804000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000020 r4:00000020
 4923 17:15:33.005471  <4>[  262.991699] [<c059c69c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 4924 17:15:33.005555  <4>[  262.999551] Exception stack(0xc5805fa8 to 0xc5805ff0)
 4925 17:15:33.005637  <4>[  263.004887] 5fa0:                   00000020 00000020 00000001 b6df2000 00000020 00000001
 4926 17:15:33.005717  <4>[  263.013361] 5fc0: 00000020 00000020 7ff00000 00000004 00000001 b6df2000 00020000 004dfe38
 4927 17:15:33.008562  <4>[  263.021829] 5fe0: 00000004 bed1c7e8 b6eb833b b6e31616
 4928 17:15:33.058268  <4>[  263.027230] irq event stamp: 0
 4929 17:15:33.058677  <4>[  263.030497] hardirqs last  enabled at (0): [<00000000>] 0x0
 4930 17:15:33.058777  <4>[  263.036347] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac
 4931 17:15:33.058861  <4>[  263.044245] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac
 4932 17:15:33.058942  <4>[  263.052039] softirqs last disabled at (0): [<00000000>] 0x0
 4933 17:15:33.059021  <4>[  263.057799] ---[ end trace af413873b24c9d3f ]---
 4934 17:15:33.061942  <6>[  263.062627] lkdtm: Saturation detected: still saturated
 4935 17:15:33.541332  # [  262.726749] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED
 4936 17:15:33.541528  # [  262.732616] lkdtm: attempting bad refcount_sub_and_test() from saturated
 4937 17:15:33.541616  # [  262.739605] ------------[ cut here ]------------
 4938 17:15:33.541698  # [  262.744394] WARNING: CPU: 0 PID: 3154 at lib/refcount.c:28 refcount_warn_saturate+0x13c/0x174
 4939 17:15:33.541780  # [  262.753264] refcount_t: underflow; use-after-free.
 4940 17:15:33.584782  # [  262.758342] Modules linked in: fuse ip_tables x_tables snd_soc_hdmi_codec stm32_adc stm32_timer_trigger stm32_lptimer_trigger snd_soc_audio_graph_card snd_soc_simple_card_utils snd_soc_stm32_sai_sub snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore adv7511 brcmfmac stm_drm sha256_generic etnaviv sha256_arm gpu_sched hci_uart btbcm cfg80211 bluetooth brcmutil ecdh_generic ecc libaes snd_soc_stm32_sai stm32_adc_core
 4941 17:15:33.584926  # [  262.797390] CPU: 0 PID: 3154 Comm: cat Tainted: G      D W         5.10.220-cip49 #1
 4942 17:15:33.587905  # [  262.805340] Hardware name: STM32 (Device Tree Support)
 4943 17:15:33.627766  # [  262.810756] Backtrace: 
 4944 17:15:33.628186  # [  262.813484] [<c13c07f0>] (dump_backtrace) from [<c13c0bb0>] (show_stack+0x20/0x24)
 4945 17:15:33.628287  # [  262.821334]  r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d018
 4946 17:15:33.628371  # [  262.827278] [<c13c0b90>] (show_stack) from [<c13c7e4c>] (dump_stack+0xe0/0x100)
 4947 17:15:33.628452  # [  262.834879] [<c13c7d6c>] (dump_stack) from [<c03567c0>] (__warn+0x98/0x14c)
 4948 17:15:33.628531  # [  262.842127]  r9:00000009 r8:c08778e0 r7:0000001c r6:00000009 r5:c08778e0 r4:c1a2b698
 4949 17:15:33.671017  # [  262.850166] [<c0356728>] (__warn) from [<c13c1cf0>] (warn_slowpath_fmt+0x8c/0xa8)
 4950 17:15:33.671380  # [  262.857938]  r7:0000001c r6:c1a2b698 r5:c1a2b6d4 r4:c5804000
 4951 17:15:33.671492  # [  262.863885] [<c13c1c68>] (warn_slowpath_fmt) from [<c08778e0>] (refcount_warn_saturate+0x13c/0x174)
 4952 17:15:33.671579  # [  262.873231]  r9:c1ad78ec r8:c15ec1e0 r7:c5805f60 r6:00000020 r5:c5edd000 r4:c5804000
 4953 17:15:33.671661  # [  262.881274] [<c08777a4>] (refcount_warn_saturate) from [<c0c5bfc8>] (__refcount_sub_and_test.constprop.0+0x64/0x6c)
 4954 17:15:33.714410  # [  262.892021] [<c0c5bf64>] (__refcount_sub_and_test.constprop.0) from [<c13cf358>] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x50/0x88)
 4955 17:15:33.714789  # [  262.904075] [<c13cf308>] (lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED) from [<c0c5aecc>] (lkdtm_do_action+0x2c/0x4c)
 4956 17:15:33.714898  # [  262.914371]  r4:0000003b
 4957 17:15:33.714980  # [  262.917176] [<c0c5aea0>] (lkdtm_do_action) from [<c0c5b3cc>] (direct_entry+0x120/0x18c)
 4958 17:15:33.715061  # [  262.925478] [<c0c5b2ac>] (direct_entry) from [<c07e42b0>] (full_proxy_write+0x64/0x94)
 4959 17:15:33.718037  # [  262.933687]  r9:c5805f60 r8:c3aa9540 r7:00000020 r6:b6df2000 r5:c5c80780 r4:c0c5b2ac
 4960 17:15:33.757711  # [  262.941730] [<c07e424c>] (full_proxy_write) from [<c059c068>] (vfs_write+0x10c/0x54c)
 4961 17:15:33.758087  # [  262.949850]  r9:c07e424c r8:c5805f60 r7:c290d000 r6:b6df2000 r5:c5c80780 r4:00000000
 4962 17:15:33.758195  # [  262.957889] [<c059bf5c>] (vfs_write) from [<c059c624>] (ksys_write+0x74/0xec)
 4963 17:15:33.758282  # [  262.965313]  r10:00000004 r9:00000000 r8:00000000 r7:b6df2000 r6:c5804000 r5:c5c80780
 4964 17:15:33.758362  # [  262.973429]  r4:c5c80780
 4965 17:15:33.758441  # [  262.976236] [<c059c5b0>] (ksys_write) from [<c059c6b4>] (sys_write+0x18/0x1c)
 4966 17:15:33.801089  # [  262.983660]  r9:c5804000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000020 r4:00000020
 4967 17:15:33.801493  # [  262.991699] [<c059c69c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 4968 17:15:33.801599  # [  262.999551] Exception stack(0xc5805fa8 to 0xc5805ff0)
 4969 17:15:33.801685  # [  263.004887] 5fa0:                   00000020 00000020 00000001 b6df2000 00000020 00000001
 4970 17:15:33.801767  # [  263.013361] 5fc0: 00000020 00000020 7ff00000 00000004 00000001 b6df2000 00020000 004dfe38
 4971 17:15:33.801848  # [  263.021829] 5fe0: 00000004 bed1c7e8 b6eb833b b6e31616
 4972 17:15:33.804438  # [  263.027230] irq event stamp: 0
 4973 17:15:33.844265  # [  263.030497] hardirqs last  enabled at (0): [<00000000>] 0x0
 4974 17:15:33.844601  # [  263.036347] hardirqs last disabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac
 4975 17:15:33.844706  # [  263.044245] softirqs last  enabled at (0): [<c03538f4>] copy_process+0x5f8/0x1dac
 4976 17:15:33.844792  # [  263.052039] softirqs last disabled at (0): [<00000000>] 0x0
 4977 17:15:33.844874  # [  263.057799] ---[ end trace af413873b24c9d3f ]---
 4978 17:15:33.844954  # [  263.062627] lkdtm: Saturation detected: still saturated
 4979 17:15:33.847697  # REFCOUNT_SUB_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok
 4980 17:15:33.865187  ok 58 selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh
 4981 17:15:33.868422  # selftests: lkdtm: REFCOUNT_TIMING.sh
 4982 17:15:34.044415  # Skipping REFCOUNT_TIMING: timing only
 4983 17:15:34.060344  ok 59 selftests: lkdtm: REFCOUNT_TIMING.sh # SKIP
 4984 17:15:34.092397  # selftests: lkdtm: ATOMIC_TIMING.sh
 4985 17:15:34.380421  # Skipping ATOMIC_TIMING: timing only
 4986 17:15:34.396482  ok 60 selftests: lkdtm: ATOMIC_TIMING.sh # SKIP
 4987 17:15:34.428472  # selftests: lkdtm: USERCOPY_HEAP_SIZE_TO.sh
 4988 17:15:34.921385  <6>[  264.913667] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO
 4989 17:15:34.921571  <6>[  264.918727] lkdtm: attempting good copy_to_user of correct size
 4990 17:15:34.924523  <6>[  264.924789] lkdtm: attempting bad copy_to_user of too large size
 4991 17:15:35.154365  # [  264.913667] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO
 4992 17:15:35.154532  # [  264.918727] lkdtm: attempting good copy_to_user of correct size
 4993 17:15:35.157628  # [  264.924789] lkdtm: attempting bad copy_to_user of too large size
 4994 17:15:35.173289  # USERCOPY_HEAP_SIZE_TO: missing 'call trace:': [FAIL]
 4995 17:15:35.280302  not ok 61 selftests: lkdtm: USERCOPY_HEAP_SIZE_TO.sh # exit=1
 4996 17:15:35.296086  # selftests: lkdtm: USERCOPY_HEAP_SIZE_FROM.sh
 4997 17:15:35.799065  <6>[  265.792976] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM
 4998 17:15:35.799517  <6>[  265.798184] lkdtm: attempting good copy_from_user of correct size
 4999 17:15:35.802395  <6>[  265.804417] lkdtm: attempting bad copy_from_user of too large size
 5000 17:15:36.054792  # [  265.792976] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM
 5001 17:15:36.055401  # [  265.798184] lkdtm: attempting good copy_from_user of correct size
 5002 17:15:36.057868  # [  265.804417] lkdtm: attempting bad copy_from_user of too large size
 5003 17:15:36.073751  # USERCOPY_HEAP_SIZE_FROM: missing 'call trace:': [FAIL]
 5004 17:15:36.129269  not ok 62 selftests: lkdtm: USERCOPY_HEAP_SIZE_FROM.sh # exit=1
 5005 17:15:36.145219  # selftests: lkdtm: USERCOPY_HEAP_WHITELIST_TO.sh
 5006 17:15:36.702033  <6>[  266.693526] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO
 5007 17:15:36.702467  <6>[  266.699058] lkdtm: attempting good copy_to_user inside whitelist
 5008 17:15:36.705465  <6>[  266.705166] lkdtm: attempting bad copy_to_user outside whitelist
 5009 17:15:36.944360  # [  266.693526] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO
 5010 17:15:36.944535  # [  266.699058] lkdtm: attempting good copy_to_user inside whitelist
 5011 17:15:36.947428  # [  266.705166] lkdtm: attempting bad copy_to_user outside whitelist
 5012 17:15:36.963212  # USERCOPY_HEAP_WHITELIST_TO: missing 'call trace:': [FAIL]
 5013 17:15:37.021334  not ok 63 selftests: lkdtm: USERCOPY_HEAP_WHITELIST_TO.sh # exit=1
 5014 17:15:37.037397  # selftests: lkdtm: USERCOPY_HEAP_WHITELIST_FROM.sh
 5015 17:15:37.553233  <6>[  267.546327] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM
 5016 17:15:37.553510  <6>[  267.551964] lkdtm: attempting good copy_from_user inside whitelist
 5017 17:15:37.556291  <6>[  267.558426] lkdtm: attempting bad copy_from_user outside whitelist
 5018 17:15:37.814359  # [  267.546327] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM
 5019 17:15:37.814558  # [  267.551964] lkdtm: attempting good copy_from_user inside whitelist
 5020 17:15:37.817540  # [  267.558426] lkdtm: attempting bad copy_from_user outside whitelist
 5021 17:15:37.849375  # USERCOPY_HEAP_WHITELIST_FROM: missing 'call trace:': [FAIL]
 5022 17:15:37.923393  not ok 64 selftests: lkdtm: USERCOPY_HEAP_WHITELIST_FROM.sh # exit=1
 5023 17:15:37.939271  # selftests: lkdtm: USERCOPY_STACK_FRAME_TO.sh
 5024 17:15:38.555010  <6>[  268.536097] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO
 5025 17:15:38.555186  <6>[  268.541279] lkdtm: good_stack: c5c5be0c-c5c5be2c
 5026 17:15:38.555274  <6>[  268.546025] lkdtm: bad_stack : c5c5bd84-c5c5bda4
 5027 17:15:38.555355  <6>[  268.551083] lkdtm: attempting good copy_to_user of local stack
 5028 17:15:38.558263  <6>[  268.557099] lkdtm: attempting bad copy_to_user of distant stack
 5029 17:15:38.799989  # [  268.536097] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO
 5030 17:15:38.800381  # [  268.541279] lkdtm: good_stack: c5c5be0c-c5c5be2c
 5031 17:15:38.800478  # [  268.546025] lkdtm: bad_stack : c5c5bd84-c5c5bda4
 5032 17:15:38.800561  # [  268.551083] lkdtm: attempting good copy_to_user of local stack
 5033 17:15:38.803230  # [  268.557099] lkdtm: attempting bad copy_to_user of distant stack
 5034 17:15:38.819198  # USERCOPY_STACK_FRAME_TO: missing 'call trace:': [FAIL]
 5035 17:15:38.873409  not ok 65 selftests: lkdtm: USERCOPY_STACK_FRAME_TO.sh # exit=1
 5036 17:15:38.889295  # selftests: lkdtm: USERCOPY_STACK_FRAME_FROM.sh
 5037 17:15:39.465211  <6>[  269.446845] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM
 5038 17:15:39.465396  <6>[  269.452190] lkdtm: good_stack: c59b9e0c-c59b9e2c
 5039 17:15:39.465489  <6>[  269.456952] lkdtm: bad_stack : c59b9d84-c59b9da4
 5040 17:15:39.465574  <6>[  269.462003] lkdtm: attempting good copy_from_user of local stack
 5041 17:15:39.468344  <6>[  269.468236] lkdtm: attempting bad copy_from_user of distant stack
 5042 17:15:39.709989  # [  269.446845] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM
 5043 17:15:39.710381  # [  269.452190] lkdtm: good_stack: c59b9e0c-c59b9e2c
 5044 17:15:39.710482  # [  269.456952] lkdtm: bad_stack : c59b9d84-c59b9da4
 5045 17:15:39.710567  # [  269.462003] lkdtm: attempting good copy_from_user of local stack
 5046 17:15:39.713478  # [  269.468236] lkdtm: attempting bad copy_from_user of distant stack
 5047 17:15:39.728833  # USERCOPY_STACK_FRAME_FROM: missing 'call trace:': [FAIL]
 5048 17:15:39.809264  not ok 66 selftests: lkdtm: USERCOPY_STACK_FRAME_FROM.sh # exit=1
 5049 17:15:39.825034  # selftests: lkdtm: USERCOPY_STACK_BEYOND.sh
 5050 17:15:40.401165  <6>[  270.383113] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND
 5051 17:15:40.401338  <6>[  270.388087] lkdtm: good_stack: c5e09e0c-c5e09e2c
 5052 17:15:40.401424  <6>[  270.392864] lkdtm: bad_stack : c5e09ffc-c5e0a01c
 5053 17:15:40.401510  <6>[  270.397927] lkdtm: attempting good copy_to_user of local stack
 5054 17:15:40.404395  <6>[  270.403934] lkdtm: attempting bad copy_to_user of distant stack
 5055 17:15:40.645892  # [  270.383113] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND
 5056 17:15:40.646297  # [  270.388087] lkdtm: good_stack: c5e09e0c-c5e09e2c
 5057 17:15:40.646401  # [  270.392864] lkdtm: bad_stack : c5e09ffc-c5e0a01c
 5058 17:15:40.646485  # [  270.397927] lkdtm: attempting good copy_to_user of local stack
 5059 17:15:40.649267  # [  270.403934] lkdtm: attempting bad copy_to_user of distant stack
 5060 17:15:40.665184  # USERCOPY_STACK_BEYOND: missing 'call trace:': [FAIL]
 5061 17:15:40.726162  not ok 67 selftests: lkdtm: USERCOPY_STACK_BEYOND.sh # exit=1
 5062 17:15:40.774113  # selftests: lkdtm: USERCOPY_KERNEL.sh
 5063 17:15:41.276128  <6>[  271.263898] lkdtm: Performing direct entry USERCOPY_KERNEL
 5064 17:15:41.276311  <6>[  271.268374] lkdtm: attempting good copy_to_user from kernel rodata: c15ec48c
 5065 17:15:41.276400  <6>[  271.275625] lkdtm: attempting bad copy_to_user from kernel text: c053dd8c
 5066 17:15:41.279053  <3>[  271.282778] lkdtm: FAIL: survived bad copy_to_user()
 5067 17:15:41.520839  # [  271.263898] lkdtm: Performing direct entry USERCOPY_KERNEL
 5068 17:15:41.521250  # [  271.268374] lkdtm: attempting good copy_to_user from kernel rodata: c15ec48c
 5069 17:15:41.521347  # [  271.275625] lkdtm: attempting bad copy_to_user from kernel text: c053dd8c
 5070 17:15:41.524125  # [  271.282778] lkdtm: FAIL: survived bad copy_to_user()
 5071 17:15:41.540091  # USERCOPY_KERNEL: missing 'call trace:': [FAIL]
 5072 17:15:41.588068  not ok 68 selftests: lkdtm: USERCOPY_KERNEL.sh # exit=1
 5073 17:15:41.620025  # selftests: lkdtm: STACKLEAK_ERASING.sh
 5074 17:15:42.212002  <6>[  272.193257] lkdtm: Performing direct entry STACKLEAK_ERASING
 5075 17:15:42.212198  <6>[  272.197878] lkdtm: checking unused part of the thread stack (7732 bytes)...
 5076 17:15:42.212287  <3>[  272.205058] lkdtm: FAIL: the erased part is not found (checked 7732 bytes)
 5077 17:15:42.212371  <3>[  272.212334] lkdtm: FAIL: the thread stack is NOT properly erased
 5078 17:15:42.212451  <4>[  272.218574] CPU: 0 PID: 3530 Comm: cat Tainted: G      D W         5.10.220-cip49 #1
 5079 17:15:42.215051  <4>[  272.226514] Hardware name: STM32 (Device Tree Support)
 5080 17:15:42.215162  <4>[  272.231931] Backtrace: 
 5081 17:15:42.255295  <4>[  272.234661] [<c13c07f0>] (dump_backtrace) from [<c13c0bb0>] (show_stack+0x20/0x24)
 5082 17:15:42.255509  <4>[  272.242511]  r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d018
 5083 17:15:42.255607  <4>[  272.248457] [<c13c0b90>] (show_stack) from [<c13c7e4c>] (dump_stack+0xe0/0x100)
 5084 17:15:42.255697  <4>[  272.256062] [<c13c7d6c>] (dump_stack) from [<c13cf640>] (lkdtm_STACKLEAK_ERASING+0x148/0x174)
 5085 17:15:42.255787  <4>[  272.264881]  r9:c1ad79f4 r8:c15ec1e0 r7:c5eedf60 r6:c5eede34 r5:c5eec000 r4:0000078d
 5086 17:15:42.298463  <4>[  272.272927] [<c13cf4f8>] (lkdtm_STACKLEAK_ERASING) from [<c0c5aecc>] (lkdtm_do_action+0x2c/0x4c)
 5087 17:15:42.298910  <4>[  272.282006]  r8:c15ec1e0 r7:c5eedf60 r6:00000012 r5:c5edf000 r4:00000046
 5088 17:15:42.299016  <4>[  272.288999] [<c0c5aea0>] (lkdtm_do_action) from [<c0c5b3cc>] (direct_entry+0x120/0x18c)
 5089 17:15:42.299103  <4>[  272.297304] [<c0c5b2ac>] (direct_entry) from [<c07e42b0>] (full_proxy_write+0x64/0x94)
 5090 17:15:42.299184  <4>[  272.305512]  r9:c5eedf60 r8:c3aa9540 r7:00000012 r6:b6e6e000 r5:c5ecb280 r4:c0c5b2ac
 5091 17:15:42.301864  <4>[  272.313555] [<c07e424c>] (full_proxy_write) from [<c059c068>] (vfs_write+0x10c/0x54c)
 5092 17:15:42.342009  <4>[  272.321675]  r9:c07e424c r8:c5eedf60 r7:c290d000 r6:b6e6e000 r5:c5ecb280 r4:00000000
 5093 17:15:42.342208  <4>[  272.329717] [<c059bf5c>] (vfs_write) from [<c059c624>] (ksys_write+0x74/0xec)
 5094 17:15:42.342298  <4>[  272.337142]  r10:00000004 r9:00000000 r8:00000000 r7:b6e6e000 r6:c5eec000 r5:c5ecb280
 5095 17:15:42.342381  <4>[  272.345260]  r4:c5ecb280
 5096 17:15:42.342465  <4>[  272.348067] [<c059c5b0>] (ksys_write) from [<c059c6b4>] (sys_write+0x18/0x1c)
 5097 17:15:42.345198  <4>[  272.355494]  r9:c5eec000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000012 r4:00000012
 5098 17:15:42.390027  <4>[  272.363536] [<c059c69c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 5099 17:15:42.390227  <4>[  272.371390] Exception stack(0xc5eedfa8 to 0xc5eedff0)
 5100 17:15:42.390316  <4>[  272.376728] dfa0:                   00000012 00000012 00000001 b6e6e000 00000012 00000001
 5101 17:15:42.390400  <4>[  272.385206] dfc0: 00000012 00000012 7ff00000 00000004 00000001 b6e6e000 00020000 004efe38
 5102 17:15:42.393240  <4>[  272.393677] dfe0: 00000004 bebec7e8 b6f3433b b6ead616
 5103 17:15:42.658453  # [  272.193257] lkdtm: Performing direct entry STACKLEAK_ERASING
 5104 17:15:42.658657  # [  272.197878] lkdtm: checking unused part of the thread stack (7732 bytes)...
 5105 17:15:42.658757  # [  272.205058] lkdtm: FAIL: the erased part is not found (checked 7732 bytes)
 5106 17:15:42.658848  # [  272.212334] lkdtm: FAIL: the thread stack is NOT properly erased
 5107 17:15:42.658934  # [  272.218574] CPU: 0 PID: 3530 Comm: cat Tainted: G      D W         5.10.220-cip49 #1
 5108 17:15:42.661631  # [  272.226514] Hardware name: STM32 (Device Tree Support)
 5109 17:15:42.661745  # [  272.231931] Backtrace: 
 5110 17:15:42.701746  # [  272.234661] [<c13c07f0>] (dump_backtrace) from [<c13c0bb0>] (show_stack+0x20/0x24)
 5111 17:15:42.701944  # [  272.242511]  r7:ffffffff r6:60080013 r5:00000000 r4:c1f1d018
 5112 17:15:42.702036  # [  272.248457] [<c13c0b90>] (show_stack) from [<c13c7e4c>] (dump_stack+0xe0/0x100)
 5113 17:15:42.702121  # [  272.256062] [<c13c7d6c>] (dump_stack) from [<c13cf640>] (lkdtm_STACKLEAK_ERASING+0x148/0x174)
 5114 17:15:42.702205  # [  272.264881]  r9:c1ad79f4 r8:c15ec1e0 r7:c5eedf60 r6:c5eede34 r5:c5eec000 r4:0000078d
 5115 17:15:42.744847  # [  272.272927] [<c13cf4f8>] (lkdtm_STACKLEAK_ERASING) from [<c0c5aecc>] (lkdtm_do_action+0x2c/0x4c)
 5116 17:15:42.745287  # [  272.282006]  r8:c15ec1e0 r7:c5eedf60 r6:00000012 r5:c5edf000 r4:00000046
 5117 17:15:42.745394  # [  272.288999] [<c0c5aea0>] (lkdtm_do_action) from [<c0c5b3cc>] (direct_entry+0x120/0x18c)
 5118 17:15:42.745482  # [  272.297304] [<c0c5b2ac>] (direct_entry) from [<c07e42b0>] (full_proxy_write+0x64/0x94)
 5119 17:15:42.745565  # [  272.305512]  r9:c5eedf60 r8:c3aa9540 r7:00000012 r6:b6e6e000 r5:c5ecb280 r4:c0c5b2ac
 5120 17:15:42.748299  # [  272.313555] [<c07e424c>] (full_proxy_write) from [<c059c068>] (vfs_write+0x10c/0x54c)
 5121 17:15:42.788394  # [  272.321675]  r9:c07e424c r8:c5eedf60 r7:c290d000 r6:b6e6e000 r5:c5ecb280 r4:00000000
 5122 17:15:42.788591  # [  272.329717] [<c059bf5c>] (vfs_write) from [<c059c624>] (ksys_write+0x74/0xec)
 5123 17:15:42.788681  # [  272.337142]  r10:00000004 r9:00000000 r8:00000000 r7:b6e6e000 r6:c5eec000 r5:c5ecb280
 5124 17:15:42.788765  # [  272.345260]  r4:c5ecb280
 5125 17:15:42.788848  # [  272.348067] [<c059c5b0>] (ksys_write) from [<c059c6b4>] (sys_write+0x18/0x1c)
 5126 17:15:42.791481  # [  272.355494]  r9:c5eec000 r8:c03002e4 r7:00000004 r6:7ff00000 r5:00000012 r4:00000012
 5127 17:15:42.830932  # [  272.363536] [<c059c69c>] (sys_write) from [<c03000c0>] (ret_fast_syscall+0x0/0x28)
 5128 17:15:42.831389  # [  272.371390] Exception stack(0xc5eedfa8 to 0xc5eedff0)
 5129 17:15:42.831507  # [  272.376728] dfa0:                   00000012 00000012 00000001 b6e6e000 00000012 00000001
 5130 17:15:42.831601  # [  272.385206] dfc0: 00000012 00000012 7ff00000 00000004 00000001 b6e6e000 00020000 004efe38
 5131 17:15:42.834257  # [  272.393677] dfe0: 00000004 bebec7e8 b6f3433b b6ead616
 5132 17:15:42.942216  # STACKLEAK_ERASING: missing 'OK: the rest of the thread stack is properly erased': [FAIL]
 5133 17:15:42.990183  not ok 69 selftests: lkdtm: STACKLEAK_ERASING.sh # exit=1
 5134 17:15:43.022139  # selftests: lkdtm: CFI_FORWARD_PROTO.sh
 5135 17:15:43.541068  <6>[  273.528025] lkdtm: Performing direct entry CFI_FORWARD_PROTO
 5136 17:15:43.541280  <6>[  273.532543] lkdtm: Calling matched prototype ...
 5137 17:15:43.541375  <6>[  273.537577] lkdtm: Calling mismatched prototype ...
 5138 17:15:43.544281  <6>[  273.542582] lkdtm: Fail: survived mismatched prototype function call!
 5139 17:15:43.779998  # [  273.528025] lkdtm: Performing direct entry CFI_FORWARD_PROTO
 5140 17:15:43.780194  # [  273.532543] lkdtm: Calling matched prototype ...
 5141 17:15:43.780285  # [  273.537577] lkdtm: Calling mismatched prototype ...
 5142 17:15:43.780368  # [  273.542582] lkdtm: Fail: survived mismatched prototype function call!
 5143 17:15:43.799017  # CFI_FORWARD_PROTO: missing 'call trace:': [FAIL]
 5144 17:15:43.878883  not ok 70 selftests: lkdtm: CFI_FORWARD_PROTO.sh # exit=1
 5145 17:15:46.025539  lkdtm_PANIC_sh skip
 5146 17:15:46.025765  lkdtm_BUG_sh pass
 5147 17:15:46.025855  lkdtm_WARNING_sh pass
 5148 17:15:46.026167  lkdtm_WARNING_MESSAGE_sh pass
 5149 17:15:46.026264  lkdtm_EXCEPTION_sh fail
 5150 17:15:46.026344  lkdtm_LOOP_sh skip
 5151 17:15:46.026422  lkdtm_EXHAUST_STACK_sh skip
 5152 17:15:46.026501  lkdtm_CORRUPT_STACK_sh skip
 5153 17:15:46.026580  lkdtm_CORRUPT_STACK_STRONG_sh skip
 5154 17:15:46.026657  lkdtm_CORRUPT_LIST_ADD_sh fail
 5155 17:15:46.026735  lkdtm_CORRUPT_LIST_DEL_sh fail
 5156 17:15:46.026811  lkdtm_STACK_GUARD_PAGE_LEADING_sh fail
 5157 17:15:46.026891  lkdtm_STACK_GUARD_PAGE_TRAILING_sh fail
 5158 17:15:46.026975  lkdtm_UNSET_SMEP_sh skip
 5159 17:15:46.027060  lkdtm_DOUBLE_FAULT_sh skip
 5160 17:15:46.029107  lkdtm_CORRUPT_PAC_sh skip
 5161 17:15:46.068798  lkdtm_UNALIGNED_LOAD_STORE_WRITE_sh skip
 5162 17:15:46.069006  lkdtm_OVERWRITE_ALLOCATION_sh skip
 5163 17:15:46.069333  lkdtm_WRITE_AFTER_FREE_sh skip
 5164 17:15:46.069452  lkdtm_READ_AFTER_FREE_sh fail
 5165 17:15:46.069548  lkdtm_WRITE_BUDDY_AFTER_FREE_sh skip
 5166 17:15:46.069641  lkdtm_READ_BUDDY_AFTER_FREE_sh fail
 5167 17:15:46.069725  lkdtm_SLAB_FREE_DOUBLE_sh fail
 5168 17:15:46.069806  lkdtm_SLAB_FREE_CROSS_sh fail
 5169 17:15:46.069888  lkdtm_SLAB_FREE_PAGE_sh fail
 5170 17:15:46.069973  lkdtm_SOFTLOCKUP_sh skip
 5171 17:15:46.070055  lkdtm_HARDLOCKUP_sh skip
 5172 17:15:46.070136  lkdtm_SPINLOCKUP_sh skip
 5173 17:15:46.070220  lkdtm_HUNG_TASK_sh skip
 5174 17:15:46.070303  lkdtm_EXEC_DATA_sh fail
 5175 17:15:46.070382  lkdtm_EXEC_STACK_sh fail
 5176 17:15:46.072315  lkdtm_EXEC_KMALLOC_sh fail
 5177 17:15:46.072441  lkdtm_EXEC_VMALLOC_sh fail
 5178 17:15:46.112128  lkdtm_EXEC_RODATA_sh fail
 5179 17:15:46.112314  lkdtm_EXEC_USERSPACE_sh fail
 5180 17:15:46.112635  lkdtm_EXEC_NULL_sh fail
 5181 17:15:46.112725  lkdtm_ACCESS_USERSPACE_sh fail
 5182 17:15:46.112808  lkdtm_ACCESS_NULL_sh fail
 5183 17:15:46.112889  lkdtm_WRITE_RO_sh fail
 5184 17:15:46.112971  lkdtm_WRITE_RO_AFTER_INIT_sh fail
 5185 17:15:46.113051  lkdtm_WRITE_KERN_sh fail
 5186 17:15:46.113130  lkdtm_REFCOUNT_INC_OVERFLOW_sh fail
 5187 17:15:46.113210  lkdtm_REFCOUNT_ADD_OVERFLOW_sh fail
 5188 17:15:46.113290  lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW_sh fail
 5189 17:15:46.113370  lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW_sh fail
 5190 17:15:46.113448  lkdtm_REFCOUNT_DEC_ZERO_sh fail
 5191 17:15:46.113528  lkdtm_REFCOUNT_DEC_NEGATIVE_sh pass
 5192 17:15:46.115591  lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE_sh pass
 5193 17:15:46.155499  lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE_sh pass
 5194 17:15:46.155919  lkdtm_REFCOUNT_INC_ZERO_sh fail
 5195 17:15:46.156022  lkdtm_REFCOUNT_ADD_ZERO_sh fail
 5196 17:15:46.156153  lkdtm_REFCOUNT_INC_SATURATED_sh pass
 5197 17:15:46.156289  lkdtm_REFCOUNT_DEC_SATURATED_sh pass
 5198 17:15:46.156418  lkdtm_REFCOUNT_ADD_SATURATED_sh pass
 5199 17:15:46.156543  lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED_sh fail
 5200 17:15:46.156636  lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED_sh fail
 5201 17:15:46.156719  lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED_sh pass
 5202 17:15:46.156800  lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED_sh pass
 5203 17:15:46.156918  lkdtm_REFCOUNT_TIMING_sh skip
 5204 17:15:46.158830  lkdtm_ATOMIC_TIMING_sh skip
 5205 17:15:46.203705  lkdtm_USERCOPY_HEAP_SIZE_TO_sh fail
 5206 17:15:46.203885  lkdtm_USERCOPY_HEAP_SIZE_FROM_sh fail
 5207 17:15:46.204202  lkdtm_USERCOPY_HEAP_WHITELIST_TO_sh fail
 5208 17:15:46.204297  lkdtm_USERCOPY_HEAP_WHITELIST_FROM_sh fail
 5209 17:15:46.204379  lkdtm_USERCOPY_STACK_FRAME_TO_sh fail
 5210 17:15:46.204459  lkdtm_USERCOPY_STACK_FRAME_FROM_sh fail
 5211 17:15:46.204538  lkdtm_USERCOPY_STACK_BEYOND_sh fail
 5212 17:15:46.204619  lkdtm_USERCOPY_KERNEL_sh fail
 5213 17:15:46.204699  lkdtm_STACKLEAK_ERASING_sh fail
 5214 17:15:46.204777  lkdtm_CFI_FORWARD_PROTO_sh fail
 5215 17:15:46.207149  + ../../utils/send-to-lava.sh ./output/result.txt
 5216 17:15:46.354248  Received signal: <TESTCASE> TEST_CASE_ID=shardfile-lkdtm RESULT=pass
 5218 17:15:46.357123  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=shardfile-lkdtm RESULT=pass>
 5219 17:15:46.510744  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_PANIC_sh RESULT=skip>
 5220 17:15:46.511149  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_PANIC_sh RESULT=skip
 5222 17:15:46.705846  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_BUG_sh RESULT=pass>
 5223 17:15:46.706261  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_BUG_sh RESULT=pass
 5225 17:15:46.858781  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_WARNING_sh RESULT=pass
 5227 17:15:46.861906  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_WARNING_sh RESULT=pass>
 5228 17:15:47.014122  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_WARNING_MESSAGE_sh RESULT=pass>
 5229 17:15:47.014523  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_WARNING_MESSAGE_sh RESULT=pass
 5231 17:15:47.168799  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXCEPTION_sh RESULT=fail>
 5232 17:15:47.169187  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXCEPTION_sh RESULT=fail
 5234 17:15:47.328571  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_LOOP_sh RESULT=skip>
 5235 17:15:47.329138  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_LOOP_sh RESULT=skip
 5237 17:15:47.482892  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXHAUST_STACK_sh RESULT=skip>
 5238 17:15:47.483317  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXHAUST_STACK_sh RESULT=skip
 5240 17:15:48.406579  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_CORRUPT_STACK_sh RESULT=skip>
 5241 17:15:48.408041  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_CORRUPT_STACK_sh RESULT=skip
 5243 17:15:48.559471  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_CORRUPT_STACK_STRONG_sh RESULT=skip>
 5244 17:15:48.559865  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_CORRUPT_STACK_STRONG_sh RESULT=skip
 5246 17:15:48.716409  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_CORRUPT_LIST_ADD_sh RESULT=fail>
 5247 17:15:48.716862  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_CORRUPT_LIST_ADD_sh RESULT=fail
 5249 17:15:48.867391  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_CORRUPT_LIST_DEL_sh RESULT=fail>
 5250 17:15:48.867776  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_CORRUPT_LIST_DEL_sh RESULT=fail
 5252 17:15:49.020452  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_STACK_GUARD_PAGE_LEADING_sh RESULT=fail>
 5253 17:15:49.020871  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_STACK_GUARD_PAGE_LEADING_sh RESULT=fail
 5255 17:15:49.180464  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_STACK_GUARD_PAGE_TRAILING_sh RESULT=fail>
 5256 17:15:49.180851  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_STACK_GUARD_PAGE_TRAILING_sh RESULT=fail
 5258 17:15:49.340465  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_UNSET_SMEP_sh RESULT=skip>
 5259 17:15:49.340866  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_UNSET_SMEP_sh RESULT=skip
 5261 17:15:49.494368  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_DOUBLE_FAULT_sh RESULT=skip>
 5262 17:15:49.494753  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_DOUBLE_FAULT_sh RESULT=skip
 5264 17:15:49.649446  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_CORRUPT_PAC_sh RESULT=skip>
 5265 17:15:49.649836  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_CORRUPT_PAC_sh RESULT=skip
 5267 17:15:49.825425  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_UNALIGNED_LOAD_STORE_WRITE_sh RESULT=skip>
 5268 17:15:49.825833  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_UNALIGNED_LOAD_STORE_WRITE_sh RESULT=skip
 5270 17:15:49.974515  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_OVERWRITE_ALLOCATION_sh RESULT=skip>
 5271 17:15:49.975255  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_OVERWRITE_ALLOCATION_sh RESULT=skip
 5273 17:15:50.129478  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_WRITE_AFTER_FREE_sh RESULT=skip>
 5274 17:15:50.129875  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_WRITE_AFTER_FREE_sh RESULT=skip
 5276 17:15:50.278426  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_READ_AFTER_FREE_sh RESULT=fail>
 5277 17:15:50.278841  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_READ_AFTER_FREE_sh RESULT=fail
 5279 17:15:50.434425  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_WRITE_BUDDY_AFTER_FREE_sh RESULT=skip>
 5280 17:15:50.434804  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_WRITE_BUDDY_AFTER_FREE_sh RESULT=skip
 5282 17:15:50.591492  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_READ_BUDDY_AFTER_FREE_sh RESULT=fail>
 5283 17:15:50.591876  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_READ_BUDDY_AFTER_FREE_sh RESULT=fail
 5285 17:15:50.745540  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_SLAB_FREE_DOUBLE_sh RESULT=fail>
 5286 17:15:50.745927  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_SLAB_FREE_DOUBLE_sh RESULT=fail
 5288 17:15:50.931499  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_SLAB_FREE_CROSS_sh RESULT=fail>
 5289 17:15:50.931956  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_SLAB_FREE_CROSS_sh RESULT=fail
 5291 17:15:51.139413  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_SLAB_FREE_PAGE_sh RESULT=fail>
 5292 17:15:51.139823  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_SLAB_FREE_PAGE_sh RESULT=fail
 5294 17:15:51.296429  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_SOFTLOCKUP_sh RESULT=skip>
 5295 17:15:51.296817  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_SOFTLOCKUP_sh RESULT=skip
 5297 17:15:51.445439  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_HARDLOCKUP_sh RESULT=skip>
 5298 17:15:51.445840  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_HARDLOCKUP_sh RESULT=skip
 5300 17:15:51.598341  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_SPINLOCKUP_sh RESULT=skip>
 5301 17:15:51.598731  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_SPINLOCKUP_sh RESULT=skip
 5303 17:15:51.758471  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_HUNG_TASK_sh RESULT=skip>
 5304 17:15:51.758875  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_HUNG_TASK_sh RESULT=skip
 5306 17:15:51.912327  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXEC_DATA_sh RESULT=fail>
 5307 17:15:51.912715  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXEC_DATA_sh RESULT=fail
 5309 17:15:52.081315  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXEC_STACK_sh RESULT=fail>
 5310 17:15:52.081675  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXEC_STACK_sh RESULT=fail
 5312 17:15:52.237444  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXEC_KMALLOC_sh RESULT=fail>
 5313 17:15:52.237811  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXEC_KMALLOC_sh RESULT=fail
 5315 17:15:52.393463  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXEC_VMALLOC_sh RESULT=fail>
 5316 17:15:52.393841  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXEC_VMALLOC_sh RESULT=fail
 5318 17:15:52.543360  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXEC_RODATA_sh RESULT=fail>
 5319 17:15:52.543750  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXEC_RODATA_sh RESULT=fail
 5321 17:15:52.698482  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXEC_USERSPACE_sh RESULT=fail>
 5322 17:15:52.699726  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXEC_USERSPACE_sh RESULT=fail
 5324 17:16:02.914637  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_EXEC_NULL_sh RESULT=fail>
 5325 17:16:02.915035  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_EXEC_NULL_sh RESULT=fail
 5327 17:16:03.067213  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_ACCESS_USERSPACE_sh RESULT=fail>
 5328 17:16:03.067583  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_ACCESS_USERSPACE_sh RESULT=fail
 5330 17:16:03.227416  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_ACCESS_NULL_sh RESULT=fail>
 5331 17:16:03.227804  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_ACCESS_NULL_sh RESULT=fail
 5333 17:16:03.383328  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_WRITE_RO_sh RESULT=fail>
 5334 17:16:03.383707  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_WRITE_RO_sh RESULT=fail
 5336 17:16:03.532633  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_WRITE_RO_AFTER_INIT_sh RESULT=fail>
 5337 17:16:03.533012  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_WRITE_RO_AFTER_INIT_sh RESULT=fail
 5339 17:16:03.692160  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_WRITE_KERN_sh RESULT=fail>
 5340 17:16:03.692562  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_WRITE_KERN_sh RESULT=fail
 5342 17:16:03.884340  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_INC_OVERFLOW_sh RESULT=fail>
 5343 17:16:03.884741  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_INC_OVERFLOW_sh RESULT=fail
 5345 17:16:04.085414  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_ADD_OVERFLOW_sh RESULT=fail>
 5346 17:16:04.085794  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_ADD_OVERFLOW_sh RESULT=fail
 5348 17:16:04.243380  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW_sh RESULT=fail>
 5349 17:16:04.244313  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW_sh RESULT=fail
 5351 17:16:04.399378  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW_sh RESULT=fail>
 5352 17:16:04.401002  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW_sh RESULT=fail
 5354 17:16:04.559102  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_DEC_ZERO_sh RESULT=fail>
 5355 17:16:04.559488  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_DEC_ZERO_sh RESULT=fail
 5357 17:16:04.711571  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_DEC_NEGATIVE_sh RESULT=pass>
 5358 17:16:04.712289  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_DEC_NEGATIVE_sh RESULT=pass
 5360 17:16:04.870679  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE_sh RESULT=pass>
 5361 17:16:04.871072  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE_sh RESULT=pass
 5363 17:16:05.024314  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE_sh RESULT=pass>
 5364 17:16:05.024691  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE_sh RESULT=pass
 5366 17:16:05.177579  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_INC_ZERO_sh RESULT=fail>
 5367 17:16:05.177961  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_INC_ZERO_sh RESULT=fail
 5369 17:16:05.329684  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_ADD_ZERO_sh RESULT=fail>
 5370 17:16:05.330082  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_ADD_ZERO_sh RESULT=fail
 5372 17:16:05.483536  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_INC_SATURATED_sh RESULT=pass>
 5373 17:16:05.483927  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_INC_SATURATED_sh RESULT=pass
 5375 17:16:05.683794  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_DEC_SATURATED_sh RESULT=pass>
 5376 17:16:05.684820  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_DEC_SATURATED_sh RESULT=pass
 5378 17:16:05.853869  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_ADD_SATURATED_sh RESULT=pass>
 5379 17:16:05.854790  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_ADD_SATURATED_sh RESULT=pass
 5381 17:16:06.010702  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED_sh RESULT=fail>
 5382 17:16:06.011099  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED_sh RESULT=fail
 5384 17:16:06.164866  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED_sh RESULT=fail>
 5385 17:16:06.165503  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED_sh RESULT=fail
 5387 17:16:06.324763  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED_sh RESULT=pass>
 5388 17:16:06.326695  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED_sh RESULT=pass
 5390 17:16:06.478018  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED_sh RESULT=pass>
 5391 17:16:06.478411  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED_sh RESULT=pass
 5393 17:16:06.638481  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_REFCOUNT_TIMING_sh RESULT=skip>
 5394 17:16:06.638887  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_REFCOUNT_TIMING_sh RESULT=skip
 5396 17:16:06.794156  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_ATOMIC_TIMING_sh RESULT=skip>
 5397 17:16:06.795012  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_ATOMIC_TIMING_sh RESULT=skip
 5399 17:16:06.960535  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_HEAP_SIZE_TO_sh RESULT=fail>
 5400 17:16:06.961523  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_HEAP_SIZE_TO_sh RESULT=fail
 5402 17:16:07.113867  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_HEAP_SIZE_FROM_sh RESULT=fail>
 5403 17:16:07.114610  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_HEAP_SIZE_FROM_sh RESULT=fail
 5405 17:16:07.268642  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_HEAP_WHITELIST_TO_sh RESULT=fail>
 5406 17:16:07.269026  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_HEAP_WHITELIST_TO_sh RESULT=fail
 5408 17:16:07.436739  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_HEAP_WHITELIST_FROM_sh RESULT=fail>
 5409 17:16:07.437189  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_HEAP_WHITELIST_FROM_sh RESULT=fail
 5411 17:16:07.592692  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_STACK_FRAME_TO_sh RESULT=fail>
 5412 17:16:07.593081  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_STACK_FRAME_TO_sh RESULT=fail
 5414 17:16:07.748823  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_STACK_FRAME_FROM_sh RESULT=fail>
 5415 17:16:07.749514  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_STACK_FRAME_FROM_sh RESULT=fail
 5417 17:16:07.902706  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_STACK_BEYOND_sh RESULT=fail>
 5418 17:16:07.903165  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_STACK_BEYOND_sh RESULT=fail
 5420 17:16:08.072875  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_USERCOPY_KERNEL_sh RESULT=fail>
 5421 17:16:08.074839  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_USERCOPY_KERNEL_sh RESULT=fail
 5423 17:16:08.230656  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_STACKLEAK_ERASING_sh RESULT=fail>
 5424 17:16:08.231046  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_STACKLEAK_ERASING_sh RESULT=fail
 5426 17:16:08.392572  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=lkdtm_CFI_FORWARD_PROTO_sh RESULT=fail>
 5427 17:16:08.392781  + set +x
 5428 17:16:08.393066  Received signal: <TESTCASE> TEST_CASE_ID=lkdtm_CFI_FORWARD_PROTO_sh RESULT=fail
 5430 17:16:08.395603  <LAVA_SIGNAL_ENDRUN 1_kselftest-lkdtm 438939_1.6.2.4.5>
 5431 17:16:08.395943  Received signal: <ENDRUN> 1_kselftest-lkdtm 438939_1.6.2.4.5
 5432 17:16:08.396065  Ending use of test pattern.
 5433 17:16:08.396158  Ending test lava.1_kselftest-lkdtm (438939_1.6.2.4.5), duration 183.19
 5435 17:16:08.427516  <LAVA_TEST_RUNNER EXIT>
 5436 17:16:08.427889  ok: lava_test_shell seems to have completed
 5437 17:16:08.428708  lkdtm_ACCESS_NULL_sh: fail
lkdtm_ACCESS_USERSPACE_sh: fail
lkdtm_ATOMIC_TIMING_sh: skip
lkdtm_BUG_sh: pass
lkdtm_CFI_FORWARD_PROTO_sh: fail
lkdtm_CORRUPT_LIST_ADD_sh: fail
lkdtm_CORRUPT_LIST_DEL_sh: fail
lkdtm_CORRUPT_PAC_sh: skip
lkdtm_CORRUPT_STACK_STRONG_sh: skip
lkdtm_CORRUPT_STACK_sh: skip
lkdtm_DOUBLE_FAULT_sh: skip
lkdtm_EXCEPTION_sh: fail
lkdtm_EXEC_DATA_sh: fail
lkdtm_EXEC_KMALLOC_sh: fail
lkdtm_EXEC_NULL_sh: fail
lkdtm_EXEC_RODATA_sh: fail
lkdtm_EXEC_STACK_sh: fail
lkdtm_EXEC_USERSPACE_sh: fail
lkdtm_EXEC_VMALLOC_sh: fail
lkdtm_EXHAUST_STACK_sh: skip
lkdtm_HARDLOCKUP_sh: skip
lkdtm_HUNG_TASK_sh: skip
lkdtm_LOOP_sh: skip
lkdtm_OVERWRITE_ALLOCATION_sh: skip
lkdtm_PANIC_sh: skip
lkdtm_READ_AFTER_FREE_sh: fail
lkdtm_READ_BUDDY_AFTER_FREE_sh: fail
lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW_sh: fail
lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED_sh: fail
lkdtm_REFCOUNT_ADD_OVERFLOW_sh: fail
lkdtm_REFCOUNT_ADD_SATURATED_sh: pass
lkdtm_REFCOUNT_ADD_ZERO_sh: fail
lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE_sh: pass
lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED_sh: pass
lkdtm_REFCOUNT_DEC_NEGATIVE_sh: pass
lkdtm_REFCOUNT_DEC_SATURATED_sh: pass
lkdtm_REFCOUNT_DEC_ZERO_sh: fail
lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW_sh: fail
lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED_sh: fail
lkdtm_REFCOUNT_INC_OVERFLOW_sh: fail
lkdtm_REFCOUNT_INC_SATURATED_sh: pass
lkdtm_REFCOUNT_INC_ZERO_sh: fail
lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE_sh: pass
lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED_sh: pass
lkdtm_REFCOUNT_TIMING_sh: skip
lkdtm_SLAB_FREE_CROSS_sh: fail
lkdtm_SLAB_FREE_DOUBLE_sh: fail
lkdtm_SLAB_FREE_PAGE_sh: fail
lkdtm_SOFTLOCKUP_sh: skip
lkdtm_SPINLOCKUP_sh: skip
lkdtm_STACKLEAK_ERASING_sh: fail
lkdtm_STACK_GUARD_PAGE_LEADING_sh: fail
lkdtm_STACK_GUARD_PAGE_TRAILING_sh: fail
lkdtm_UNALIGNED_LOAD_STORE_WRITE_sh: skip
lkdtm_UNSET_SMEP_sh: skip
lkdtm_USERCOPY_HEAP_SIZE_FROM_sh: fail
lkdtm_USERCOPY_HEAP_SIZE_TO_sh: fail
lkdtm_USERCOPY_HEAP_WHITELIST_FROM_sh: fail
lkdtm_USERCOPY_HEAP_WHITELIST_TO_sh: fail
lkdtm_USERCOPY_KERNEL_sh: fail
lkdtm_USERCOPY_STACK_BEYOND_sh: fail
lkdtm_USERCOPY_STACK_FRAME_FROM_sh: fail
lkdtm_USERCOPY_STACK_FRAME_TO_sh: fail
lkdtm_WARNING_MESSAGE_sh: pass
lkdtm_WARNING_sh: pass
lkdtm_WRITE_AFTER_FREE_sh: skip
lkdtm_WRITE_BUDDY_AFTER_FREE_sh: skip
lkdtm_WRITE_KERN_sh: fail
lkdtm_WRITE_RO_AFTER_INIT_sh: fail
lkdtm_WRITE_RO_sh: fail
shardfile-lkdtm: pass

 5438 17:16:08.428896  end: 3.1 lava-test-shell (duration 00:03:19) [common]
 5439 17:16:08.429016  end: 3 lava-test-retry (duration 00:03:19) [common]
 5440 17:16:08.429133  start: 4 finalize (timeout 00:03:09) [common]
 5441 17:16:08.429256  start: 4.1 power-off (timeout 00:00:30) [common]
 5442 17:16:08.429461  Calling: 'curl' 'http://arpeggi.mayfield.sirena.org.uk:16421/power/control/off?hostname=apc619c42&port=8'
 5443 17:16:09.508879  >> OK - accepted request

 5444 17:16:09.510401  Returned 0 in 1 seconds
 5445 17:16:09.610925  end: 4.1 power-off (duration 00:00:01) [common]
 5447 17:16:09.611671  start: 4.2 read-feedback (timeout 00:03:08) [common]
 5448 17:16:09.612029  Listened to connection for namespace 'common' for up to 1s
 5449 17:16:10.613132  Finalising connection for namespace 'common'
 5450 17:16:10.614190  Disconnecting from shell: Finalise
 5451 17:16:10.614693  / # 
 5452 17:16:10.716715  end: 4.2 read-feedback (duration 00:00:01) [common]
 5453 17:16:10.717293  end: 4 finalize (duration 00:00:02) [common]
 5454 17:16:10.717453  Cleaning after the job
 5455 17:16:10.717595  Cleaning up download directory: /var/lib/lava/dispatcher/tmp/438939/tftp-deploy-im0tkv1e/ramdisk
 5456 17:16:10.722971  Cleaning up download directory: /var/lib/lava/dispatcher/tmp/438939/tftp-deploy-im0tkv1e/kernel
 5457 17:16:10.729041  Cleaning up download directory: /var/lib/lava/dispatcher/tmp/438939/tftp-deploy-im0tkv1e/dtb
 5458 17:16:10.729617  Cleaning up download directory: /var/lib/lava/dispatcher/tmp/438939/tftp-deploy-im0tkv1e/nfsrootfs
 5459 17:16:10.833439  Cleaning up download directory: /var/lib/lava/dispatcher/tmp/438939/tftp-deploy-im0tkv1e/modules
 5460 17:16:10.841239  Override tmp directory removed at /var/lib/lava/dispatcher/tmp/438939
 5461 17:16:11.961437  Root tmp directory removed at /var/lib/lava/dispatcher/tmp/438939
 5462 17:16:11.961713  Job finished correctly