Boot log: hp-11A-G6-EE-grunt

    1 08:43:46.721287  lava-dispatcher, installed at version: 2024.01
    2 08:43:46.721476  start: 0 validate
    3 08:43:46.721598  Start time: 2024-02-29 08:43:46.721591+00:00 (UTC)
    4 08:43:46.721708  Using caching service: 'http://localhost/cache/?uri=%s'
    5 08:43:46.721838  Validating that http://localhost/cache/?uri=http%3A%2F%2Fstorage.kernelci.org%2Fimages%2Frootfs%2Fdebian%2Fbullseye-kselftest%2F20240129.0%2Famd64%2Finitrd.cpio.gz exists
    6 08:43:47.062934  Using caching service: 'http://localhost/cache/?uri=%s'
    7 08:43:47.063663  Validating that http://localhost/cache/?uri=http%3A%2F%2Fstorage.kernelci.org%2Fcip-gitlab%2Fci-iwamatsu-linux-5.10.y-cip-rc%2Fv5.10.209-cip44-56-g55117716ac0fd%2Fx86_64%2Fx86_64_defconfig%2Bx86-board%2Bkselftest%2Fgcc-10%2Fkernel%2FbzImage exists
    8 08:43:47.333893  Using caching service: 'http://localhost/cache/?uri=%s'
    9 08:43:47.334629  Validating that http://localhost/cache/?uri=http%3A%2F%2Fstorage.kernelci.org%2Fimages%2Frootfs%2Fdebian%2Fbullseye-kselftest%2F20240129.0%2Famd64%2Ffull.rootfs.tar.xz exists
   10 08:43:47.604493  Using caching service: 'http://localhost/cache/?uri=%s'
   11 08:43:47.605337  Validating that http://localhost/cache/?uri=http%3A%2F%2Fstorage.kernelci.org%2Fcip-gitlab%2Fci-iwamatsu-linux-5.10.y-cip-rc%2Fv5.10.209-cip44-56-g55117716ac0fd%2Fx86_64%2Fx86_64_defconfig%2Bx86-board%2Bkselftest%2Fgcc-10%2Fmodules.tar.xz exists
   12 08:43:47.884666  validate duration: 1.16
   14 08:43:47.886096  start: 1 tftp-deploy (timeout 00:10:00) [common]
   15 08:43:47.886702  start: 1.1 download-retry (timeout 00:10:00) [common]
   16 08:43:47.887286  start: 1.1.1 http-download (timeout 00:10:00) [common]
   17 08:43:47.887887  Not decompressing ramdisk as can be used compressed.
   18 08:43:47.888359  downloading http://storage.kernelci.org/images/rootfs/debian/bullseye-kselftest/20240129.0/amd64/initrd.cpio.gz
   19 08:43:47.888742  saving as /var/lib/lava/dispatcher/tmp/12894244/tftp-deploy-oul8w8zy/ramdisk/initrd.cpio.gz
   20 08:43:47.889155  total size: 5431452 (5 MB)
   21 08:43:47.894575  progress   0 % (0 MB)
   22 08:43:47.903972  progress   5 % (0 MB)
   23 08:43:47.910524  progress  10 % (0 MB)
   24 08:43:47.914945  progress  15 % (0 MB)
   25 08:43:47.918910  progress  20 % (1 MB)
   26 08:43:47.922128  progress  25 % (1 MB)
   27 08:43:47.924769  progress  30 % (1 MB)
   28 08:43:47.927587  progress  35 % (1 MB)
   29 08:43:47.929814  progress  40 % (2 MB)
   30 08:43:47.932038  progress  45 % (2 MB)
   31 08:43:47.934009  progress  50 % (2 MB)
   32 08:43:47.936194  progress  55 % (2 MB)
   33 08:43:47.938012  progress  60 % (3 MB)
   34 08:43:47.939748  progress  65 % (3 MB)
   35 08:43:47.941687  progress  70 % (3 MB)
   36 08:43:47.943287  progress  75 % (3 MB)
   37 08:43:47.944836  progress  80 % (4 MB)
   38 08:43:47.946401  progress  85 % (4 MB)
   39 08:43:47.948062  progress  90 % (4 MB)
   40 08:43:47.949480  progress  95 % (4 MB)
   41 08:43:47.950978  progress 100 % (5 MB)
   42 08:43:47.951196  5 MB downloaded in 0.06 s (83.47 MB/s)
   43 08:43:47.951349  end: 1.1.1 http-download (duration 00:00:00) [common]
   45 08:43:47.951597  end: 1.1 download-retry (duration 00:00:00) [common]
   46 08:43:47.951689  start: 1.2 download-retry (timeout 00:10:00) [common]
   47 08:43:47.951777  start: 1.2.1 http-download (timeout 00:10:00) [common]
   48 08:43:47.951922  downloading http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.209-cip44-56-g55117716ac0fd/x86_64/x86_64_defconfig+x86-board+kselftest/gcc-10/kernel/bzImage
   49 08:43:47.951995  saving as /var/lib/lava/dispatcher/tmp/12894244/tftp-deploy-oul8w8zy/kernel/bzImage
   50 08:43:47.952053  total size: 18050656 (17 MB)
   51 08:43:47.952113  No compression specified
   52 08:43:47.953330  progress   0 % (0 MB)
   53 08:43:47.957804  progress   5 % (0 MB)
   54 08:43:47.962409  progress  10 % (1 MB)
   55 08:43:47.966863  progress  15 % (2 MB)
   56 08:43:47.971518  progress  20 % (3 MB)
   57 08:43:47.976017  progress  25 % (4 MB)
   58 08:43:47.980595  progress  30 % (5 MB)
   59 08:43:47.985044  progress  35 % (6 MB)
   60 08:43:47.989653  progress  40 % (6 MB)
   61 08:43:47.994332  progress  45 % (7 MB)
   62 08:43:47.999010  progress  50 % (8 MB)
   63 08:43:48.003596  progress  55 % (9 MB)
   64 08:43:48.008314  progress  60 % (10 MB)
   65 08:43:48.012943  progress  65 % (11 MB)
   66 08:43:48.017422  progress  70 % (12 MB)
   67 08:43:48.021979  progress  75 % (12 MB)
   68 08:43:48.026331  progress  80 % (13 MB)
   69 08:43:48.030823  progress  85 % (14 MB)
   70 08:43:48.035111  progress  90 % (15 MB)
   71 08:43:48.039580  progress  95 % (16 MB)
   72 08:43:48.043893  progress 100 % (17 MB)
   73 08:43:48.044116  17 MB downloaded in 0.09 s (186.99 MB/s)
   74 08:43:48.044262  end: 1.2.1 http-download (duration 00:00:00) [common]
   76 08:43:48.044494  end: 1.2 download-retry (duration 00:00:00) [common]
   77 08:43:48.044580  start: 1.3 download-retry (timeout 00:10:00) [common]
   78 08:43:48.044665  start: 1.3.1 http-download (timeout 00:10:00) [common]
   79 08:43:48.044798  downloading http://storage.kernelci.org/images/rootfs/debian/bullseye-kselftest/20240129.0/amd64/full.rootfs.tar.xz
   80 08:43:48.044867  saving as /var/lib/lava/dispatcher/tmp/12894244/tftp-deploy-oul8w8zy/nfsrootfs/full.rootfs.tar
   81 08:43:48.044926  total size: 207179048 (197 MB)
   82 08:43:48.044986  Using unxz to decompress xz
   83 08:43:48.048610  progress   0 % (0 MB)
   84 08:43:48.582968  progress   5 % (9 MB)
   85 08:43:49.103383  progress  10 % (19 MB)
   86 08:43:49.697042  progress  15 % (29 MB)
   87 08:43:50.045053  progress  20 % (39 MB)
   88 08:43:50.392076  progress  25 % (49 MB)
   89 08:43:50.989998  progress  30 % (59 MB)
   90 08:43:51.529515  progress  35 % (69 MB)
   91 08:43:52.137541  progress  40 % (79 MB)
   92 08:43:52.689497  progress  45 % (88 MB)
   93 08:43:53.268886  progress  50 % (98 MB)
   94 08:43:53.898779  progress  55 % (108 MB)
   95 08:43:54.669147  progress  60 % (118 MB)
   96 08:43:54.810516  progress  65 % (128 MB)
   97 08:43:54.954236  progress  70 % (138 MB)
   98 08:43:55.045670  progress  75 % (148 MB)
   99 08:43:55.117727  progress  80 % (158 MB)
  100 08:43:55.186675  progress  85 % (167 MB)
  101 08:43:55.285746  progress  90 % (177 MB)
  102 08:43:55.555595  progress  95 % (187 MB)
  103 08:43:56.141404  progress 100 % (197 MB)
  104 08:43:56.147123  197 MB downloaded in 8.10 s (24.39 MB/s)
  105 08:43:56.147377  end: 1.3.1 http-download (duration 00:00:08) [common]
  107 08:43:56.147643  end: 1.3 download-retry (duration 00:00:08) [common]
  108 08:43:56.147739  start: 1.4 download-retry (timeout 00:09:52) [common]
  109 08:43:56.147830  start: 1.4.1 http-download (timeout 00:09:52) [common]
  110 08:43:56.147977  downloading http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.209-cip44-56-g55117716ac0fd/x86_64/x86_64_defconfig+x86-board+kselftest/gcc-10/modules.tar.xz
  111 08:43:56.148052  saving as /var/lib/lava/dispatcher/tmp/12894244/tftp-deploy-oul8w8zy/modules/modules.tar
  112 08:43:56.148121  total size: 3309904 (3 MB)
  113 08:43:56.148191  Using unxz to decompress xz
  114 08:43:56.151821  progress   0 % (0 MB)
  115 08:43:56.157658  progress   5 % (0 MB)
  116 08:43:56.167342  progress  10 % (0 MB)
  117 08:43:56.177639  progress  15 % (0 MB)
  118 08:43:56.187293  progress  20 % (0 MB)
  119 08:43:56.195342  progress  25 % (0 MB)
  120 08:43:56.203429  progress  30 % (0 MB)
  121 08:43:56.215385  progress  35 % (1 MB)
  122 08:43:56.226277  progress  40 % (1 MB)
  123 08:43:56.234407  progress  45 % (1 MB)
  124 08:43:56.245280  progress  50 % (1 MB)
  125 08:43:56.257561  progress  55 % (1 MB)
  126 08:43:56.267201  progress  60 % (1 MB)
  127 08:43:56.276812  progress  65 % (2 MB)
  128 08:43:56.286705  progress  70 % (2 MB)
  129 08:43:56.296031  progress  75 % (2 MB)
  130 08:43:56.306433  progress  80 % (2 MB)
  131 08:43:56.316221  progress  85 % (2 MB)
  132 08:43:56.327797  progress  90 % (2 MB)
  133 08:43:56.337449  progress  95 % (3 MB)
  134 08:43:56.349527  progress 100 % (3 MB)
  135 08:43:56.354044  3 MB downloaded in 0.21 s (15.33 MB/s)
  136 08:43:56.354279  end: 1.4.1 http-download (duration 00:00:00) [common]
  138 08:43:56.354538  end: 1.4 download-retry (duration 00:00:00) [common]
  139 08:43:56.354631  start: 1.5 prepare-tftp-overlay (timeout 00:09:52) [common]
  140 08:43:56.354726  start: 1.5.1 extract-nfsrootfs (timeout 00:09:52) [common]
  141 08:43:59.559746  Extracted nfsroot to /var/lib/lava/dispatcher/tmp/12894244/extract-nfsrootfs-imj71vpv
  142 08:43:59.559983  end: 1.5.1 extract-nfsrootfs (duration 00:00:03) [common]
  143 08:43:59.560081  start: 1.5.2 lava-overlay (timeout 00:09:48) [common]
  144 08:43:59.560240  [common] Preparing overlay tarball in /var/lib/lava/dispatcher/tmp/12894244/lava-overlay-jr5r_91k
  145 08:43:59.560359  makedir: /var/lib/lava/dispatcher/tmp/12894244/lava-overlay-jr5r_91k/lava-12894244/bin
  146 08:43:59.560455  makedir: /var/lib/lava/dispatcher/tmp/12894244/lava-overlay-jr5r_91k/lava-12894244/tests
  147 08:43:59.560546  makedir: /var/lib/lava/dispatcher/tmp/12894244/lava-overlay-jr5r_91k/lava-12894244/results
  148 08:43:59.560645  Creating /var/lib/lava/dispatcher/tmp/12894244/lava-overlay-jr5r_91k/lava-12894244/bin/lava-add-keys
  149 08:43:59.560784  Creating /var/lib/lava/dispatcher/tmp/12894244/lava-overlay-jr5r_91k/lava-12894244/bin/lava-add-sources
  150 08:43:59.560905  Creating /var/lib/lava/dispatcher/tmp/12894244/lava-overlay-jr5r_91k/lava-12894244/bin/lava-background-process-start
  151 08:43:59.561026  Creating /var/lib/lava/dispatcher/tmp/12894244/lava-overlay-jr5r_91k/lava-12894244/bin/lava-background-process-stop
  152 08:43:59.561143  Creating /var/lib/lava/dispatcher/tmp/12894244/lava-overlay-jr5r_91k/lava-12894244/bin/lava-common-functions
  153 08:43:59.561259  Creating /var/lib/lava/dispatcher/tmp/12894244/lava-overlay-jr5r_91k/lava-12894244/bin/lava-echo-ipv4
  154 08:43:59.561376  Creating /var/lib/lava/dispatcher/tmp/12894244/lava-overlay-jr5r_91k/lava-12894244/bin/lava-install-packages
  155 08:43:59.561494  Creating /var/lib/lava/dispatcher/tmp/12894244/lava-overlay-jr5r_91k/lava-12894244/bin/lava-installed-packages
  156 08:43:59.561608  Creating /var/lib/lava/dispatcher/tmp/12894244/lava-overlay-jr5r_91k/lava-12894244/bin/lava-os-build
  157 08:43:59.561723  Creating /var/lib/lava/dispatcher/tmp/12894244/lava-overlay-jr5r_91k/lava-12894244/bin/lava-probe-channel
  158 08:43:59.561839  Creating /var/lib/lava/dispatcher/tmp/12894244/lava-overlay-jr5r_91k/lava-12894244/bin/lava-probe-ip
  159 08:43:59.562131  Creating /var/lib/lava/dispatcher/tmp/12894244/lava-overlay-jr5r_91k/lava-12894244/bin/lava-target-ip
  160 08:43:59.562252  Creating /var/lib/lava/dispatcher/tmp/12894244/lava-overlay-jr5r_91k/lava-12894244/bin/lava-target-mac
  161 08:43:59.562368  Creating /var/lib/lava/dispatcher/tmp/12894244/lava-overlay-jr5r_91k/lava-12894244/bin/lava-target-storage
  162 08:43:59.562486  Creating /var/lib/lava/dispatcher/tmp/12894244/lava-overlay-jr5r_91k/lava-12894244/bin/lava-test-case
  163 08:43:59.562602  Creating /var/lib/lava/dispatcher/tmp/12894244/lava-overlay-jr5r_91k/lava-12894244/bin/lava-test-event
  164 08:43:59.562716  Creating /var/lib/lava/dispatcher/tmp/12894244/lava-overlay-jr5r_91k/lava-12894244/bin/lava-test-feedback
  165 08:43:59.562831  Creating /var/lib/lava/dispatcher/tmp/12894244/lava-overlay-jr5r_91k/lava-12894244/bin/lava-test-raise
  166 08:43:59.562945  Creating /var/lib/lava/dispatcher/tmp/12894244/lava-overlay-jr5r_91k/lava-12894244/bin/lava-test-reference
  167 08:43:59.563062  Creating /var/lib/lava/dispatcher/tmp/12894244/lava-overlay-jr5r_91k/lava-12894244/bin/lava-test-runner
  168 08:43:59.563177  Creating /var/lib/lava/dispatcher/tmp/12894244/lava-overlay-jr5r_91k/lava-12894244/bin/lava-test-set
  169 08:43:59.563290  Creating /var/lib/lava/dispatcher/tmp/12894244/lava-overlay-jr5r_91k/lava-12894244/bin/lava-test-shell
  170 08:43:59.563407  Updating /var/lib/lava/dispatcher/tmp/12894244/lava-overlay-jr5r_91k/lava-12894244/bin/lava-add-keys (debian)
  171 08:43:59.564181  Updating /var/lib/lava/dispatcher/tmp/12894244/lava-overlay-jr5r_91k/lava-12894244/bin/lava-add-sources (debian)
  172 08:43:59.564349  Updating /var/lib/lava/dispatcher/tmp/12894244/lava-overlay-jr5r_91k/lava-12894244/bin/lava-install-packages (debian)
  173 08:43:59.564478  Updating /var/lib/lava/dispatcher/tmp/12894244/lava-overlay-jr5r_91k/lava-12894244/bin/lava-installed-packages (debian)
  174 08:43:59.564606  Updating /var/lib/lava/dispatcher/tmp/12894244/lava-overlay-jr5r_91k/lava-12894244/bin/lava-os-build (debian)
  175 08:43:59.576324  Creating /var/lib/lava/dispatcher/tmp/12894244/lava-overlay-jr5r_91k/lava-12894244/environment
  176 08:43:59.576558  LAVA metadata
  177 08:43:59.576637  - LAVA_JOB_ID=12894244
  178 08:43:59.576703  - LAVA_DISPATCHER_IP=192.168.201.1
  179 08:43:59.576843  start: 1.5.2.1 lava-vland-overlay (timeout 00:09:48) [common]
  180 08:43:59.576911  skipped lava-vland-overlay
  181 08:43:59.576984  end: 1.5.2.1 lava-vland-overlay (duration 00:00:00) [common]
  182 08:43:59.577061  start: 1.5.2.2 lava-multinode-overlay (timeout 00:09:48) [common]
  183 08:43:59.577120  skipped lava-multinode-overlay
  184 08:43:59.577188  end: 1.5.2.2 lava-multinode-overlay (duration 00:00:00) [common]
  185 08:43:59.577266  start: 1.5.2.3 test-definition (timeout 00:09:48) [common]
  186 08:43:59.577342  Loading test definitions
  187 08:43:59.577433  start: 1.5.2.3.1 inline-repo-action (timeout 00:09:48) [common]
  188 08:43:59.577501  Using /lava-12894244 at stage 0
  189 08:43:59.577779  uuid=12894244_1.5.2.3.1 testdef=None
  190 08:43:59.577864  end: 1.5.2.3.1 inline-repo-action (duration 00:00:00) [common]
  191 08:43:59.578248  start: 1.5.2.3.2 test-overlay (timeout 00:09:48) [common]
  192 08:43:59.578693  end: 1.5.2.3.2 test-overlay (duration 00:00:00) [common]
  194 08:43:59.578905  start: 1.5.2.3.3 test-install-overlay (timeout 00:09:48) [common]
  195 08:43:59.589559  end: 1.5.2.3.3 test-install-overlay (duration 00:00:00) [common]
  197 08:43:59.590659  start: 1.5.2.3.4 test-runscript-overlay (timeout 00:09:48) [common]
  198 08:43:59.603190  runner path: /var/lib/lava/dispatcher/tmp/12894244/lava-overlay-jr5r_91k/lava-12894244/0/tests/0_timesync-off test_uuid 12894244_1.5.2.3.1
  199 08:43:59.603908  end: 1.5.2.3.4 test-runscript-overlay (duration 00:00:00) [common]
  201 08:43:59.604882  start: 1.5.2.3.5 git-repo-action (timeout 00:09:48) [common]
  202 08:43:59.605200  Using /lava-12894244 at stage 0
  203 08:43:59.605636  Fetching tests from https://github.com/kernelci/test-definitions.git
  204 08:43:59.606026  Running '/usr/bin/git clone https://github.com/kernelci/test-definitions.git /var/lib/lava/dispatcher/tmp/12894244/lava-overlay-jr5r_91k/lava-12894244/0/tests/1_kselftest-lkdtm'
  205 08:44:04.345036  Running '/usr/bin/git checkout kernelci.org
  206 08:44:04.488730  Tests stored (tmp) in /var/lib/lava/dispatcher/tmp/12894244/lava-overlay-jr5r_91k/lava-12894244/0/tests/1_kselftest-lkdtm/automated/linux/kselftest/kselftest.yaml
  207 08:44:04.489428  uuid=12894244_1.5.2.3.5 testdef=None
  208 08:44:04.489581  end: 1.5.2.3.5 git-repo-action (duration 00:00:05) [common]
  210 08:44:04.489835  start: 1.5.2.3.6 test-overlay (timeout 00:09:43) [common]
  211 08:44:04.490582  end: 1.5.2.3.6 test-overlay (duration 00:00:00) [common]
  213 08:44:04.490819  start: 1.5.2.3.7 test-install-overlay (timeout 00:09:43) [common]
  214 08:44:04.491769  end: 1.5.2.3.7 test-install-overlay (duration 00:00:00) [common]
  216 08:44:04.492008  start: 1.5.2.3.8 test-runscript-overlay (timeout 00:09:43) [common]
  217 08:44:04.492926  runner path: /var/lib/lava/dispatcher/tmp/12894244/lava-overlay-jr5r_91k/lava-12894244/0/tests/1_kselftest-lkdtm test_uuid 12894244_1.5.2.3.5
  218 08:44:04.493023  BOARD='hp-11A-G6-EE-grunt'
  219 08:44:04.493090  BRANCH='cip-gitlab'
  220 08:44:04.493152  SKIPFILE='/dev/null'
  221 08:44:04.493211  SKIP_INSTALL='True'
  222 08:44:04.493270  TESTPROG_URL='http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.209-cip44-56-g55117716ac0fd/x86_64/x86_64_defconfig+x86-board+kselftest/gcc-10/kselftest.tar.xz'
  223 08:44:04.493329  TST_CASENAME=''
  224 08:44:04.493385  TST_CMDFILES='lkdtm'
  225 08:44:04.493523  end: 1.5.2.3.8 test-runscript-overlay (duration 00:00:00) [common]
  227 08:44:04.493727  Creating lava-test-runner.conf files
  228 08:44:04.493795  Using lava-test-runner path: /var/lib/lava/dispatcher/tmp/12894244/lava-overlay-jr5r_91k/lava-12894244/0 for stage 0
  229 08:44:04.493888  - 0_timesync-off
  230 08:44:04.493962  - 1_kselftest-lkdtm
  231 08:44:04.494060  end: 1.5.2.3 test-definition (duration 00:00:05) [common]
  232 08:44:04.494147  start: 1.5.2.4 compress-overlay (timeout 00:09:43) [common]
  233 08:44:11.972866  end: 1.5.2.4 compress-overlay (duration 00:00:07) [common]
  234 08:44:11.973021  start: 1.5.2.5 persistent-nfs-overlay (timeout 00:09:36) [common]
  235 08:44:11.973113  end: 1.5.2.5 persistent-nfs-overlay (duration 00:00:00) [common]
  236 08:44:11.973216  end: 1.5.2 lava-overlay (duration 00:00:12) [common]
  237 08:44:11.973309  start: 1.5.3 extract-overlay-ramdisk (timeout 00:09:36) [common]
  238 08:44:12.100178  end: 1.5.3 extract-overlay-ramdisk (duration 00:00:00) [common]
  239 08:44:12.100546  start: 1.5.4 extract-modules (timeout 00:09:36) [common]
  240 08:44:12.100662  extracting modules file /var/lib/lava/dispatcher/tmp/12894244/tftp-deploy-oul8w8zy/modules/modules.tar to /var/lib/lava/dispatcher/tmp/12894244/extract-nfsrootfs-imj71vpv
  241 08:44:12.179756  extracting modules file /var/lib/lava/dispatcher/tmp/12894244/tftp-deploy-oul8w8zy/modules/modules.tar to /var/lib/lava/dispatcher/tmp/12894244/extract-overlay-ramdisk-3171w8sj/ramdisk
  242 08:44:12.261894  end: 1.5.4 extract-modules (duration 00:00:00) [common]
  243 08:44:12.262308  start: 1.5.5 apply-overlay-tftp (timeout 00:09:36) [common]
  244 08:44:12.262402  [common] Applying overlay to NFS
  245 08:44:12.262473  [common] Applying overlay /var/lib/lava/dispatcher/tmp/12894244/compress-overlay-piqlq9cs/overlay-1.5.2.4.tar.gz to directory /var/lib/lava/dispatcher/tmp/12894244/extract-nfsrootfs-imj71vpv
  246 08:44:13.254487  end: 1.5.5 apply-overlay-tftp (duration 00:00:01) [common]
  247 08:44:13.254652  start: 1.5.6 configure-preseed-file (timeout 00:09:35) [common]
  248 08:44:13.254750  end: 1.5.6 configure-preseed-file (duration 00:00:00) [common]
  249 08:44:13.254839  start: 1.5.7 compress-ramdisk (timeout 00:09:35) [common]
  250 08:44:13.254920  Building ramdisk /var/lib/lava/dispatcher/tmp/12894244/extract-overlay-ramdisk-3171w8sj/ramdisk.cpio containing /var/lib/lava/dispatcher/tmp/12894244/extract-overlay-ramdisk-3171w8sj/ramdisk
  251 08:44:13.406596  >> 67754 blocks

  252 08:44:14.526491  rename /var/lib/lava/dispatcher/tmp/12894244/extract-overlay-ramdisk-3171w8sj/ramdisk.cpio.gz to /var/lib/lava/dispatcher/tmp/12894244/tftp-deploy-oul8w8zy/ramdisk/ramdisk.cpio.gz
  253 08:44:14.526910  end: 1.5.7 compress-ramdisk (duration 00:00:01) [common]
  254 08:44:14.527033  start: 1.5.8 prepare-kernel (timeout 00:09:33) [common]
  255 08:44:14.527143  start: 1.5.8.1 prepare-fit (timeout 00:09:33) [common]
  256 08:44:14.527237  No mkimage arch provided, not using FIT.
  257 08:44:14.527328  end: 1.5.8.1 prepare-fit (duration 00:00:00) [common]
  258 08:44:14.527411  end: 1.5.8 prepare-kernel (duration 00:00:00) [common]
  259 08:44:14.527513  end: 1.5 prepare-tftp-overlay (duration 00:00:18) [common]
  260 08:44:14.527607  start: 1.6 lxc-create-udev-rule-action (timeout 00:09:33) [common]
  261 08:44:14.527695  No LXC device requested
  262 08:44:14.527783  end: 1.6 lxc-create-udev-rule-action (duration 00:00:00) [common]
  263 08:44:14.527877  start: 1.7 deploy-device-env (timeout 00:09:33) [common]
  264 08:44:14.527975  end: 1.7 deploy-device-env (duration 00:00:00) [common]
  265 08:44:14.528050  Checking files for TFTP limit of 4294967296 bytes.
  266 08:44:14.528446  end: 1 tftp-deploy (duration 00:00:27) [common]
  267 08:44:14.528551  start: 2 depthcharge-action (timeout 00:05:00) [common]
  268 08:44:14.528645  start: 2.1 depthcharge-overlay (timeout 00:05:00) [common]
  269 08:44:14.528770  substitutions:
  270 08:44:14.528836  - {DTB}: None
  271 08:44:14.528896  - {INITRD}: 12894244/tftp-deploy-oul8w8zy/ramdisk/ramdisk.cpio.gz
  272 08:44:14.528957  - {KERNEL}: 12894244/tftp-deploy-oul8w8zy/kernel/bzImage
  273 08:44:14.529036  - {LAVA_MAC}: None
  274 08:44:14.529110  - {NFSROOTFS}: /var/lib/lava/dispatcher/tmp/12894244/extract-nfsrootfs-imj71vpv
  275 08:44:14.529243  - {NFS_SERVER_IP}: 192.168.201.1
  276 08:44:14.529298  - {PRESEED_CONFIG}: None
  277 08:44:14.529353  - {PRESEED_LOCAL}: None
  278 08:44:14.529406  - {RAMDISK}: 12894244/tftp-deploy-oul8w8zy/ramdisk/ramdisk.cpio.gz
  279 08:44:14.529460  - {ROOT_PART}: None
  280 08:44:14.529513  - {ROOT}: None
  281 08:44:14.529567  - {SERVER_IP}: 192.168.201.1
  282 08:44:14.529619  - {TEE}: None
  283 08:44:14.529672  Parsed boot commands:
  284 08:44:14.529723  - tftpboot 192.168.201.1 {DEPTHCHARGE_KERNEL} {CMDLINE} {DEPTHCHARGE_RAMDISK}
  285 08:44:14.529900  Parsed boot commands: tftpboot 192.168.201.1 12894244/tftp-deploy-oul8w8zy/kernel/bzImage 12894244/tftp-deploy-oul8w8zy/kernel/cmdline 12894244/tftp-deploy-oul8w8zy/ramdisk/ramdisk.cpio.gz
  286 08:44:14.530033  end: 2.1 depthcharge-overlay (duration 00:00:00) [common]
  287 08:44:14.530119  start: 2.2 depthcharge-retry (timeout 00:05:00) [common]
  288 08:44:14.530206  start: 2.2.1 reset-connection (timeout 00:05:00) [common]
  289 08:44:14.530295  start: 2.2.1.1 disconnect-device (timeout 00:05:00) [common]
  290 08:44:14.530365  Not connected, no need to disconnect.
  291 08:44:14.530437  end: 2.2.1.1 disconnect-device (duration 00:00:00) [common]
  292 08:44:14.530517  start: 2.2.1.2 connect-device (timeout 00:05:00) [common]
  293 08:44:14.530587  [common] connect-device Connecting to device using '/usr/local/bin/chromebook-console.sh hp-11A-G6-EE-grunt-cbg-0'
  294 08:44:14.534072  Setting prompt string to ['lava-test: # ']
  295 08:44:14.534399  end: 2.2.1.2 connect-device (duration 00:00:00) [common]
  296 08:44:14.534505  end: 2.2.1 reset-connection (duration 00:00:00) [common]
  297 08:44:14.534602  start: 2.2.2 reset-device (timeout 00:05:00) [common]
  298 08:44:14.534692  start: 2.2.2.1 pdu-reboot (timeout 00:05:00) [common]
  299 08:44:14.534872  Calling: 'pduclient' '--daemon=localhost' '--hostname=hp-11A-G6-EE-grunt-cbg-0' '--port=1' '--command=reboot'
  300 08:44:19.673291  >> Command sent successfully.

  301 08:44:19.683650  Returned 0 in 5 seconds
  302 08:44:19.784893  end: 2.2.2.1 pdu-reboot (duration 00:00:05) [common]
  304 08:44:19.786423  end: 2.2.2 reset-device (duration 00:00:05) [common]
  305 08:44:19.787006  start: 2.2.3 depthcharge-start (timeout 00:04:55) [common]
  306 08:44:19.787493  Setting prompt string to 'Starting depthcharge on grunt...'
  307 08:44:19.787870  Changing prompt to 'Starting depthcharge on grunt...'
  308 08:44:19.788271  depthcharge-start: Wait for prompt Starting depthcharge on grunt... (timeout 00:05:00)
  309 08:44:19.789526  [Enter `^Ec?' for help]

  310 08:44:20.194640  

  311 08:44:20.195231  

  312 08:44:20.198473  coreboot-56f9d1cd49 Thu Sep  5 21:57:06 UTC 2019 bootblock starting...

  313 08:44:20.201639  Family_Model: 00670f00

  314 08:44:20.206010  PMxC0 STATUS: 0x80800 DoReset BIT11 

  315 08:44:20.209302  DW I2C bus 1 at 0xfedc3000 (400 KHz)

  316 08:44:20.212687  VBOOT: Loading verstage.

  317 08:44:20.216039  CBFS: 'Master Header Locator' located CBFS at [df0000:ffffc0)

  318 08:44:20.219361  CBFS: Locating 'fallback/verstage'

  319 08:44:20.222135  CBFS: Found @ offset aa8c0 size d5a4

  320 08:44:20.239881  

  321 08:44:20.240455  

  322 08:44:20.243248  coreboot-56f9d1cd49 Thu Sep  5 21:57:06 UTC 2019 verstage starting...

  323 08:44:20.250414  Probing TPM I2C: done! DID_VID 0x00281ae0

  324 08:44:20.250955  TPM ready after 0 ms

  325 08:44:20.254066  cr50 TPM 2.0 (i2c 1:0x50 id 0x28)

  326 08:44:20.296157  TPM: setup succeeded

  327 08:44:20.312309  src/security/tpm/tss/tcg-2.0/tss.c:177 index 0x1007 return code 0

  328 08:44:20.315716  Chrome EC: UHEPI supported

  329 08:44:20.319656  Phase 1

  330 08:44:20.323188  FMAP: Found "FLASH" version 1.1 at d7f000.

  331 08:44:20.326508  FMAP: base = ff000000 size = 1000000 #areas = 30

  332 08:44:20.333350  FMAP: area GBB found @ d80000 (458752 bytes)

  333 08:44:20.336671  VB2:vb2_check_recovery() Recovery reason from previous boot: 0x0 / 0x0

  334 08:44:20.339921  Phase 2

  335 08:44:20.340494  Phase 3

  336 08:44:20.343080  FMAP: area GBB found @ d80000 (458752 bytes)

  337 08:44:20.349917  VB2:vb2_report_dev_firmware() This is developer signed firmware

  338 08:44:20.353102  FMAP: area VBLOCK_A found @ 21000 (65536 bytes)

  339 08:44:20.359322  FMAP: area VBLOCK_A found @ 21000 (65536 bytes)

  340 08:44:20.362885  VB2:vb2_verify_keyblock() Checking key block signature...

  341 08:44:20.391217  FMAP: area VBLOCK_A found @ 21000 (65536 bytes)

  342 08:44:20.394842  FMAP: area VBLOCK_A found @ 21000 (65536 bytes)

  343 08:44:20.398104  VB2:vb2_verify_fw_preamble() Verifying preamble.

  344 08:44:20.406358  Phase 4

  345 08:44:20.410230  FMAP: area FW_MAIN_A found @ 31000 (2154432 bytes)

  346 08:44:20.416572  VB2:vb2api_init_hash() HW crypto for hash_alg 2 not supported, using SW

  347 08:44:20.534705  VB2:vb2_rsa_verify_digest() Digest check failed!

  348 08:44:20.538315  VB2:vb2_fail() Need recovery, reason: 0x1b / 0x7

  349 08:44:20.542605  Saving nvdata

  350 08:44:20.543216  Reboot requested (10020007)

  351 08:44:20.545556  board_reset() called!

  352 08:44:20.669914  

  353 08:44:20.670531  

  354 08:44:20.671228  coreboot-56f9d1cd49 Thu Sep  5 21:57:06 UTC 2019 bootblock starting...

  355 08:44:20.671718  Family_Model: 00670f00

  356 08:44:20.672079  PMxC0 STATUS: 0x80800 DoReset BIT11 

  357 08:44:20.672417  DW I2C bus 1 at 0xfedc3000 (400 KHz)

  358 08:44:20.672747  VBOOT: Loading verstage.

  359 08:44:20.673362  CBFS: 'Master Header Locator' located CBFS at [df0000:ffffc0)

  360 08:44:20.676686  CBFS: Locating 'fallback/verstage'

  361 08:44:20.680714  CBFS: Found @ offset aa8c0 size d5a4

  362 08:44:20.695148  

  363 08:44:20.695735  

  364 08:44:20.698545  coreboot-56f9d1cd49 Thu Sep  5 21:57:06 UTC 2019 verstage starting...

  365 08:44:20.705638  Probing TPM I2C: done! DID_VID 0x00281ae0

  366 08:44:20.706278  TPM ready after 0 ms

  367 08:44:20.709052  cr50 TPM 2.0 (i2c 1:0x50 id 0x28)

  368 08:44:20.750300  TPM: setup succeeded

  369 08:44:20.766213  src/security/tpm/tss/tcg-2.0/tss.c:177 index 0x1007 return code 0

  370 08:44:20.769607  Chrome EC: UHEPI supported

  371 08:44:20.770109  Phase 1

  372 08:44:20.776545  FMAP: Found "FLASH" version 1.1 at d7f000.

  373 08:44:20.779804  FMAP: base = ff000000 size = 1000000 #areas = 30

  374 08:44:20.782804  FMAP: area GBB found @ d80000 (458752 bytes)

  375 08:44:20.789624  VB2:vb2_check_recovery() Recovery reason from previous boot: 0x1b / 0x7

  376 08:44:20.798132  VB2:vb2_check_recovery() We have a recovery request: 0x1b / 0x0

  377 08:44:20.798710  Recovery requested (1009000e)

  378 08:44:20.800617  Saving nvdata

  379 08:44:20.814890  tlcl_extend: response is 0

  380 08:44:20.829155  tlcl_extend: response is 0

  381 08:44:20.835364  CBFS: 'Master Header Locator' located CBFS at [df0000:ffffc0)

  382 08:44:20.838887  CBFS: Locating 'fallback/romstage'

  383 08:44:20.842304  CBFS: Found @ offset 80 size d2e4

  384 08:44:20.842934  

  385 08:44:20.843318  

  386 08:44:20.848776  coreboot-56f9d1cd49 Thu Sep  5 21:57:06 UTC 2019 romstage starting...

  387 08:44:20.855048  CBFS: 'Master Header Locator' located CBFS at [df0000:ffffc0)

  388 08:44:20.855534  CBFS: Locating 'smu_fw'

  389 08:44:20.859033  CBFS: Found @ offset 7bc00 size 12262

  390 08:44:20.886024  PSP: Load blob type 19 from @ffe6bc38... OK

  391 08:44:20.889009  Google Chrome set keyboard backlight: 4 status (0)

  392 08:44:20.889596  POST: 0x37

  393 08:44:20.892212  agesawrapper_amdinitreset() entry

  394 08:44:20.898706  CBFS: 'Master Header Locator' located CBFS at [df0000:ffffc0)

  395 08:44:20.902657  CBFS: Locating 'AGESA_PRE_MEM'

  396 08:44:20.905768  CBFS: Found @ offset df80 size 53bcc

  397 08:44:20.914678  agesawrapper_amdinitreset() returned AGESA_SUCCESS

  398 08:44:20.915255  POST: 0x38

  399 08:44:20.918071  agesawrapper_amdinitearly() entry

  400 08:44:20.932861  Warning - AGESA callout: platform_PcieSlotResetControl not supported

  401 08:44:20.940042  Warning - AGESA callout: platform_PcieSlotResetControl not supported

  402 08:44:20.961539  agesawrapper_amdinitearly() returned AGESA_SUCCESS

  403 08:44:20.962158  POST: 0x40

  404 08:44:20.964697  agesawrapper_amdinitpost() entry

  405 08:44:20.967915  DRAM clear on reset: Keep

  406 08:44:20.971867  variant_mainboard_read_spd SPD index 8

  407 08:44:20.978212  CBFS: 'Master Header Locator' located CBFS at [df0000:ffffc0)

  408 08:44:20.978790  CBFS: Locating 'spd.bin'

  409 08:44:20.981933  CBFS: Found @ offset 79bc0 size 2000

  410 08:44:21.245196  AGESA set: umamode UMA_SPECIFIED

  411 08:44:21.251707           : syslimit 0x12effffff, bottomio 0x00d00000

  412 08:44:21.255435           : uma size 16MB, uma start 0xcf000000

  413 08:44:21.261523  agesawrapper_amdinitpost() returned AGESA_SUCCESS

  414 08:44:21.262142  POST: 0x41

  415 08:44:21.264664  Boot Count incremented to 111072

  416 08:44:21.265181  POST: 0x42

  417 08:44:21.271338  PSP: Notify that DRAM is available... OK

  418 08:44:21.271920  POST: 0x43

  419 08:44:21.272294  CBMEM:

  420 08:44:21.274960  IMD: root @ cdfff000 254 entries.

  421 08:44:21.278689  IMD: root @ cdffec00 62 entries.

  422 08:44:21.281838  External stage cache:

  423 08:44:21.284853  IMD: root @ cefff000 254 entries.

  424 08:44:21.288249  IMD: root @ ceffec00 62 entries.

  425 08:44:21.292200  creating vboot_handoff structure

  426 08:44:21.294964  Chrome EC: UHEPI supported

  427 08:44:21.298148  Chrome EC: clear events_b mask to 0x0000000021004000

  428 08:44:21.302093  POST: 0x44

  429 08:44:21.305407  MTRR Range: Start=cd000000 End=ce000000 (Size 1000000)

  430 08:44:21.312406  MTRR Range: Start=ff000000 End=0 (Size 1000000)

  431 08:44:21.314936  MTRR Range: Start=ce800000 End=cf000000 (Size 800000)

  432 08:44:21.315419  POST: 0x45

  433 08:44:21.321489  CBFS: 'Master Header Locator' located CBFS at [df0000:ffffc0)

  434 08:44:21.325295  CBFS: Locating 'fallback/postcar'

  435 08:44:21.328328  CBFS: Found @ offset a2a80 size 41f4

  436 08:44:21.334980  Decompressing stage fallback/postcar @ 0xcdfa1fc0 (33488 bytes)

  437 08:44:21.345577  Loading module at cdfa2000 with entry cdfa2000. filesize: 0x3fd0 memsize: 0x8290

  438 08:44:21.348733  Processing 114 relocs. Offset value of 0xcbfa2000

  439 08:44:21.353397  

  440 08:44:21.353994  

  441 08:44:21.356705  coreboot-56f9d1cd49 Thu Sep  5 21:57:06 UTC 2019 postcar starting...

  442 08:44:21.363054  CBFS: 'Master Header Locator' located CBFS at [df0000:ffffc0)

  443 08:44:21.366589  CBFS: Locating 'fallback/ramstage'

  444 08:44:21.369841  CBFS: Found @ offset 61bc0 size 17f95

  445 08:44:21.376332  Decompressing stage fallback/ramstage @ 0xcde9efc0 (1055256 bytes)

  446 08:44:21.413140  Loading module at cde9f000 with entry cde9f000. filesize: 0x37198 memsize: 0x1019d8

  447 08:44:21.416263  Processing 3480 relocs. Offset value of 0xcdd9f000

  448 08:44:21.416867  

  449 08:44:21.417349  

  450 08:44:21.423380  coreboot-56f9d1cd49 Thu Sep  5 21:57:06 UTC 2019 ramstage starting...

  451 08:44:21.423954  POST: 0x39

  452 08:44:21.430096  FMAP: Found "FLASH" version 1.1 at d7f000.

  453 08:44:21.433312  FMAP: base = ff000000 size = 1000000 #areas = 30

  454 08:44:21.436623  FMAP: area RO_VPD found @ c00000 (16384 bytes)

  455 08:44:21.440106  WARNING: RO_VPD is uninitialized or empty.

  456 08:44:21.446271  FMAP: area RW_VPD found @ 465000 (8192 bytes)

  457 08:44:21.450195  FMAP: area RW_VPD found @ 465000 (8192 bytes)

  458 08:44:21.493726  POST: 0x80

  459 08:44:21.494454  Normal boot.

  460 08:44:21.494919  POST: 0x46

  461 08:44:21.499629  CBFS: 'Master Header Locator' located CBFS at [df0000:ffffc0)

  462 08:44:21.503038  CBFS: Locating 'smu_fw2'

  463 08:44:21.506568  CBFS: Found @ offset 8dec0 size 4cf2

  464 08:44:21.517515  PSP: Load blob type 1a from @ffe7def8... OK

  465 08:44:21.518124  POST: 0x47

  466 08:44:21.521109  agesawrapper_amdinitenv() entry

  467 08:44:21.524380  CBFS: 'Master Header Locator' located CBFS at [df0000:ffffc0)

  468 08:44:21.527741  CBFS: Locating 'AGESA_POST_MEM'

  469 08:44:21.530703  CBFS: Found @ offset b7f00 size 135b2

  470 08:44:21.537459  Decompressing stage AGESA_POST_MEM @ 0xcde6cfc0 (198492 bytes)

  471 08:44:21.569863  Loading module at cde6d000 with entry cde6d000. filesize: 0x2f340 memsize: 0x2f480

  472 08:44:21.572968  Processing 1271 relocs. Offset value of 0xce06d000

  473 08:44:21.576969  AGESA: Saving stage to cache

  474 08:44:21.580429  Fch OEM config in INIT ENV Done

  475 08:44:21.618911  agesawrapper_amdinitenv() returned AGESA_SUCCESS

  476 08:44:21.619488  POST: 0x70

  477 08:44:21.625267  BS: BS_PRE_DEVICE times (us): entry 124128 run 1059 exit 0

  478 08:44:21.625851  POST: 0x71

  479 08:44:21.626267  Board ID: 6

  480 08:44:21.628644  mainboard: EC init

  481 08:44:21.632109  Chrome EC: Set SMI mask to 0x0000000000000000

  482 08:44:21.635441  Chrome EC: UHEPI supported

  483 08:44:21.638850  Chrome EC: Set S5 LAZY WAKE mask to 0x0000000000000006

  484 08:44:21.645921  Chrome EC: Set S3 LAZY WAKE mask to 0x0000000010001006

  485 08:44:21.649562  Chrome EC: Set WAKE mask to 0x0000000000000000

  486 08:44:21.652758  DW I2C bus 0 at 0xfedc2000 (400 KHz)

  487 08:44:21.655568  DW I2C bus 2 at 0xfedc4000 (400 KHz)

  488 08:44:21.659336  DW I2C bus 3 at 0xfedc5000 (400 KHz)

  489 08:44:21.665687  FMAP: area RW_ELOG found @ 45d000 (16384 bytes)

  490 08:44:21.666448  Manufacturer: ef

  491 08:44:21.672513  SF: Detected W25Q128FW with sector size 0x1000, total 0x1000000

  492 08:44:21.676029  ELOG: NV offset 0x45d000 size 0x4000

  493 08:44:21.684368  ELOG: area is 4096 bytes, full threshold 3842, shrink size 1024

  494 08:44:21.690717  ELOG: Event(17) added with size 13 at 2024-02-29 08:43:43 UTC

  495 08:44:21.694687  POST: Unexpected post code in previous boot: 0x90

  496 08:44:21.701001  ELOG: Event(A3) added with size 11 at 2024-02-29 08:43:43 UTC

  497 08:44:21.707524  ELOG: Event(9F) added with size 14 at 2024-02-29 08:43:43 UTC

  498 08:44:21.708102  PM1_STS: PWRBTN BMSTATUS 

  499 08:44:21.714862  setup_bsp_ramtop, TOP MEM: msr.lo = 0xd0000000, msr.hi = 0x00000000

  500 08:44:21.720886  setup_bsp_ramtop, TOP MEM2: msr.lo = 0x2f000000, msr.hi = 0x00000001

  501 08:44:21.724279  BS: BS_DEV_INIT_CHIPS times (us): entry 0 run 96151 exit 0

  502 08:44:21.727556  POST: 0x72

  503 08:44:21.728028  Enumerating buses...

  504 08:44:21.734377  Show all devs... Before device enumeration.

  505 08:44:21.735002  Root Device: enabled 1

  506 08:44:21.737629  CPU_CLUSTER: 0: enabled 1

  507 08:44:21.741395  DOMAIN: 0000: enabled 1

  508 08:44:21.742183  MMIO: fedc2000: enabled 1

  509 08:44:21.744600  MMIO: fedc3000: enabled 1

  510 08:44:21.747469  MMIO: fedc4000: enabled 1

  511 08:44:21.747938  MMIO: fedc5000: enabled 1

  512 08:44:21.750929  APIC: 10: enabled 1

  513 08:44:21.754268  PCI: 00:00.0: enabled 1

  514 08:44:21.754737  PCI: 00:00.2: enabled 0

  515 08:44:21.758022  PCI: 00:01.0: enabled 1

  516 08:44:21.761200  PCI: 00:01.1: enabled 1

  517 08:44:21.761771  PCI: 00:02.0: enabled 1

  518 08:44:21.764609  PCI: 00:02.1: enabled 1

  519 08:44:21.765410  PCI: 00:02.2: enabled 1

  520 08:44:21.767473  PCI: 00:02.3: enabled 1

  521 08:44:21.770624  PCI: 00:02.4: enabled 1

  522 08:44:21.771098  PCI: 00:02.5: enabled 1

  523 08:44:21.774233  PCI: 00:08.0: enabled 1

  524 08:44:21.777568  PCI: 00:09.0: enabled 1

  525 08:44:21.777998  PCI: 00:09.2: enabled 1

  526 08:44:21.781097  PCI: 00:10.0: enabled 1

  527 08:44:21.784316  PCI: 00:11.0: enabled 0

  528 08:44:21.784897  PCI: 00:12.0: enabled 1

  529 08:44:21.787738  PCI: 00:14.0: enabled 1

  530 08:44:21.790873  PCI: 00:14.3: enabled 1

  531 08:44:21.791457  PCI: 00:14.7: enabled 1

  532 08:44:21.794257  PCI: 00:18.0: enabled 1

  533 08:44:21.797723  PCI: 00:18.1: enabled 1

  534 08:44:21.798333  PCI: 00:18.2: enabled 1

  535 08:44:21.800921  PCI: 00:18.3: enabled 1

  536 08:44:21.804456  PCI: 00:18.4: enabled 1

  537 08:44:21.805038  PCI: 00:18.5: enabled 1

  538 08:44:21.807253  GENERIC: 0.0: enabled 1

  539 08:44:21.810691  I2C: 00:1a: enabled 1

  540 08:44:21.811278  GENERIC: 0.1: enabled 1

  541 08:44:21.814232  I2C: 00:50: enabled 1

  542 08:44:21.814815  I2C: 00:15: enabled 1

  543 08:44:21.817726  I2C: 00:39: enabled 1

  544 08:44:21.820928  I2C: 00:10: enabled 1

  545 08:44:21.821507  PCI: 00:00.0: enabled 1

  546 08:44:21.824565  PNP: 0c09.0: enabled 1

  547 08:44:21.827644  Compare with tree...

  548 08:44:21.828119  Root Device: enabled 1

  549 08:44:21.830485   CPU_CLUSTER: 0: enabled 1

  550 08:44:21.830959    APIC: 10: enabled 1

  551 08:44:21.833794   DOMAIN: 0000: enabled 1

  552 08:44:21.837443    PCI: 00:00.0: enabled 1

  553 08:44:21.840725    PCI: 00:00.2: enabled 0

  554 08:44:21.841313    PCI: 00:01.0: enabled 1

  555 08:44:21.843753    PCI: 00:01.1: enabled 1

  556 08:44:21.846967    PCI: 00:02.0: enabled 1

  557 08:44:21.847441    PCI: 00:02.1: enabled 1

  558 08:44:21.850150    PCI: 00:02.2: enabled 1

  559 08:44:21.853800    PCI: 00:02.3: enabled 1

  560 08:44:21.856675    PCI: 00:02.4: enabled 1

  561 08:44:21.857099     PCI: 00:00.0: enabled 1

  562 08:44:21.860669    PCI: 00:02.5: enabled 1

  563 08:44:21.863955    PCI: 00:08.0: enabled 1

  564 08:44:21.864385    PCI: 00:09.0: enabled 1

  565 08:44:21.867031    PCI: 00:09.2: enabled 1

  566 08:44:21.870113    PCI: 00:10.0: enabled 1

  567 08:44:21.873403    PCI: 00:11.0: enabled 0

  568 08:44:21.873824    PCI: 00:12.0: enabled 1

  569 08:44:21.876964    PCI: 00:14.0: enabled 1

  570 08:44:21.880425    PCI: 00:14.3: enabled 1

  571 08:44:21.880853     PNP: 0c09.0: enabled 1

  572 08:44:21.883921    PCI: 00:14.7: enabled 1

  573 08:44:21.887690    PCI: 00:18.0: enabled 1

  574 08:44:21.890259    PCI: 00:18.1: enabled 1

  575 08:44:21.890688    PCI: 00:18.2: enabled 1

  576 08:44:21.893998    PCI: 00:18.3: enabled 1

  577 08:44:21.897101    PCI: 00:18.4: enabled 1

  578 08:44:21.897528    PCI: 00:18.5: enabled 1

  579 08:44:21.900930   MMIO: fedc2000: enabled 1

  580 08:44:21.904388    GENERIC: 0.0: enabled 1

  581 08:44:21.904812    I2C: 00:1a: enabled 1

  582 08:44:21.907168    GENERIC: 0.1: enabled 1

  583 08:44:21.910781   MMIO: fedc3000: enabled 1

  584 08:44:21.911204    I2C: 00:50: enabled 1

  585 08:44:21.913874   MMIO: fedc4000: enabled 1

  586 08:44:21.917660    I2C: 00:15: enabled 1

  587 08:44:21.921247   MMIO: fedc5000: enabled 1

  588 08:44:21.921776    I2C: 00:39: enabled 1

  589 08:44:21.924060    I2C: 00:10: enabled 1

  590 08:44:21.924587  Mainboard Grunt Enable.

  591 08:44:21.927286  Root Device scanning...

  592 08:44:21.930599  root_dev_scan_bus for Root Device

  593 08:44:21.934305  CPU_CLUSTER: 0 enabled

  594 08:44:21.934915  DOMAIN: 0000 enabled

  595 08:44:21.937199  MMIO: fedc2000 enabled

  596 08:44:21.940664  MMIO: fedc3000 enabled

  597 08:44:21.941231  MMIO: fedc4000 enabled

  598 08:44:21.944190  MMIO: fedc5000 enabled

  599 08:44:21.944624  DOMAIN: 0000 scanning...

  600 08:44:21.947398  PCI: pci_scan_bus for bus 00

  601 08:44:21.950430  POST: 0x24

  602 08:44:21.950857  sb_enable

  603 08:44:21.953784  PCI: 00:00.0 [1022/1576] enabled

  604 08:44:21.954232  sb_enable

  605 08:44:21.954564  sb_enable

  606 08:44:21.957077  PCI: 00:01.0 [1002/98e4] enabled

  607 08:44:21.960516  sb_enable

  608 08:44:21.960946  PCI: 00:01.1 [1002/15b3] enabled

  609 08:44:21.964257  sb_enable

  610 08:44:21.967595  PCI: 00:02.0 [1022/157b] enabled

  611 08:44:21.968046  sb_enable

  612 08:44:21.970725  PCI: Static device PCI: 00:02.1 not found, disabling it.

  613 08:44:21.973896  sb_enable

  614 08:44:21.974363  Capability: type 0x01 @ 0x50

  615 08:44:21.977208  Capability: type 0x10 @ 0x58

  616 08:44:21.980808  Capability: type 0x05 @ 0xa0

  617 08:44:21.984366  Capability: type 0x0d @ 0xc0

  618 08:44:21.987371  Capability: type 0x08 @ 0xc8

  619 08:44:21.987808  Capability: type 0x01 @ 0x50

  620 08:44:21.990658  Capability: type 0x10 @ 0x58

  621 08:44:21.994154  PCI: 00:02.2 subordinate bus PCI Express

  622 08:44:21.997775  PCI: 00:02.2 [1022/157c] enabled

  623 08:44:21.998402  sb_enable

  624 08:44:22.004113  PCI: Static device PCI: 00:02.3 not found, disabling it.

  625 08:44:22.004698  sb_enable

  626 08:44:22.007415  Capability: type 0x01 @ 0x50

  627 08:44:22.010891  Capability: type 0x10 @ 0x58

  628 08:44:22.014488  Capability: type 0x05 @ 0xa0

  629 08:44:22.015072  Capability: type 0x0d @ 0xc0

  630 08:44:22.017897  Capability: type 0x08 @ 0xc8

  631 08:44:22.020945  Capability: type 0x01 @ 0x50

  632 08:44:22.024780  Capability: type 0x10 @ 0x58

  633 08:44:22.027505  PCI: 00:02.4 subordinate bus PCI Express

  634 08:44:22.031429  PCI: 00:02.4 [1022/157c] enabled

  635 08:44:22.032007  sb_enable

  636 08:44:22.034660  PCI: Static device PCI: 00:02.5 not found, disabling it.

  637 08:44:22.037990  PCI: 00:03.0 [1022/157b] enabled

  638 08:44:22.040988  sb_enable

  639 08:44:22.044135  PCI: 00:08.0 [1022/1578] enabled

  640 08:44:22.044716  sb_enable

  641 08:44:22.047695  PCI: 00:09.0 [1022/157d] enabled

  642 08:44:22.048278  sb_enable

  643 08:44:22.054389  PCI: Static device PCI: 00:09.2 not found, disabling it.

  644 08:44:22.055056  sb_enable

  645 08:44:22.058049  PCI: 00:10.0 [1022/0000] bus ops

  646 08:44:22.060839  PCI: 00:10.0 [1022/7914] enabled

  647 08:44:22.061314  sb_enable

  648 08:44:22.061689  sb_enable

  649 08:44:22.064510  PCI: 00:12.0 [1022/0000] bus ops

  650 08:44:22.067277  PCI: 00:12.0 [1022/7908] enabled

  651 08:44:22.067840  sb_enable

  652 08:44:22.070916  PCI: 00:14.0 [1022/790b] bus ops

  653 08:44:22.074258  PCI: 00:14.0 [1022/790b] enabled

  654 08:44:22.074733  sb_enable

  655 08:44:22.077224  PCI: 00:14.3 [1022/0000] bus ops

  656 08:44:22.080915  PCI: 00:14.3 [1022/790e] enabled

  657 08:44:22.081461  sb_enable

  658 08:44:22.084594  PCI: 00:14.7 [1022/7906] enabled

  659 08:44:22.087604  sb_enable

  660 08:44:22.088035  PCI: 00:18.0 [1022/15b0] ops

  661 08:44:22.091326  PCI: 00:18.0 [1022/15b0] enabled

  662 08:44:22.091865  sb_enable

  663 08:44:22.094269  PCI: 00:18.1 [1022/15b1] enabled

  664 08:44:22.097874  sb_enable

  665 08:44:22.100801  PCI: 00:18.2 [1022/15b2] enabled

  666 08:44:22.101233  sb_enable

  667 08:44:22.104623  PCI: 00:18.3 [1022/15b3] enabled

  668 08:44:22.105230  sb_enable

  669 08:44:22.107555  PCI: 00:18.4 [1022/15b4] enabled

  670 08:44:22.107987  sb_enable

  671 08:44:22.111471  PCI: 00:18.5 [1022/15b5] enabled

  672 08:44:22.112012  POST: 0x25

  673 08:44:22.114273  PCI: 00:02.2 scanning...

  674 08:44:22.117902  do_pci_scan_bridge for PCI: 00:02.2

  675 08:44:22.121543  PCI: pci_scan_bus for bus 01

  676 08:44:22.122117  POST: 0x24

  677 08:44:22.124379  PCI: 01:00.0 [168c/003e] enabled

  678 08:44:22.124914  POST: 0x25

  679 08:44:22.127880  POST: 0x55

  680 08:44:22.128421  Capability: type 0x01 @ 0x40

  681 08:44:22.131191  Capability: type 0x05 @ 0x50

  682 08:44:22.134585  Capability: type 0x10 @ 0x70

  683 08:44:22.138097  Capability: type 0x01 @ 0x50

  684 08:44:22.141278  Capability: type 0x10 @ 0x58

  685 08:44:22.144205  Enabling Common Clock Configuration

  686 08:44:22.144638  ASPM: Enabled L0s and L1

  687 08:44:22.147438  Capability: type 0x01 @ 0x40

  688 08:44:22.151161  Capability: type 0x05 @ 0x50

  689 08:44:22.154275  Capability: type 0x10 @ 0x70

  690 08:44:22.157881  scan_bus: scanning of bus PCI: 00:02.2 took 40760 usecs

  691 08:44:22.161112  PCI: 00:02.4 scanning...

  692 08:44:22.164472  do_pci_scan_bridge for PCI: 00:02.4

  693 08:44:22.167619  PCI: pci_scan_bus for bus 02

  694 08:44:22.168167  POST: 0x24

  695 08:44:22.170980  PCI: 02:00.0 [1217/0000] ops

  696 08:44:22.174439  PCI: 02:00.0 [1217/8620] enabled

  697 08:44:22.174869  POST: 0x25

  698 08:44:22.175211  POST: 0x55

  699 08:44:22.177513  Capability: type 0x01 @ 0x6c

  700 08:44:22.181446  Capability: type 0x05 @ 0x48

  701 08:44:22.184618  Capability: type 0x10 @ 0x80

  702 08:44:22.185304  Capability: type 0x01 @ 0x50

  703 08:44:22.187864  Capability: type 0x10 @ 0x58

  704 08:44:22.190996  ASPM: Enabled L0s and L1

  705 08:44:22.194568  Capability: type 0x01 @ 0x6c

  706 08:44:22.194995  Capability: type 0x05 @ 0x48

  707 08:44:22.198552  Capability: type 0x10 @ 0x80

  708 08:44:22.204803  scan_bus: scanning of bus PCI: 00:02.4 took 40317 usecs

  709 08:44:22.205402  PCI: 00:10.0 scanning...

  710 08:44:22.207861  scan_usb_bus for PCI: 00:10.0

  711 08:44:22.211276  scan_usb_bus for PCI: 00:10.0 done

  712 08:44:22.218031  scan_bus: scanning of bus PCI: 00:10.0 took 8113 usecs

  713 08:44:22.218578  PCI: 00:12.0 scanning...

  714 08:44:22.221631  scan_usb_bus for PCI: 00:12.0

  715 08:44:22.224990  scan_usb_bus for PCI: 00:12.0 done

  716 08:44:22.227860  scan_bus: scanning of bus PCI: 00:12.0 took 8110 usecs

  717 08:44:22.231622  PCI: 00:14.0 scanning...

  718 08:44:22.234898  scan_generic_bus for PCI: 00:14.0

  719 08:44:22.238185  scan_generic_bus for PCI: 00:14.0 done

  720 08:44:22.244756  scan_bus: scanning of bus PCI: 00:14.0 took 8810 usecs

  721 08:44:22.245338  PCI: 00:14.3 scanning...

  722 08:44:22.248008  scan_lpc_bus for PCI: 00:14.3

  723 08:44:22.251331  PNP: 0c09.0 enabled

  724 08:44:22.254717  scan_lpc_bus for PCI: 00:14.3 done

  725 08:44:22.257902  scan_bus: scanning of bus PCI: 00:14.3 took 9963 usecs

  726 08:44:22.258532  POST: 0x55

  727 08:44:22.264566  scan_bus: scanning of bus DOMAIN: 0000 took 315137 usecs

  728 08:44:22.267669  MMIO: fedc2000 scanning...

  729 08:44:22.270711  scan_generic_bus for MMIO: fedc2000

  730 08:44:22.274506  bus: MMIO: fedc2000[0]->GENERIC: 0.0 enabled

  731 08:44:22.277522  bus: MMIO: fedc2000[0]->I2C: 01:1a enabled

  732 08:44:22.281337  bus: MMIO: fedc2000[0]->GENERIC: 0.1 enabled

  733 08:44:22.284009  scan_generic_bus for MMIO: fedc2000 done

  734 08:44:22.290889  scan_bus: scanning of bus MMIO: fedc2000 took 21232 usecs

  735 08:44:22.294453  MMIO: fedc3000 scanning...

  736 08:44:22.297907  scan_generic_bus for MMIO: fedc3000

  737 08:44:22.301317  bus: MMIO: fedc3000[0]->I2C: 02:50 enabled

  738 08:44:22.304809  scan_generic_bus for MMIO: fedc3000 done

  739 08:44:22.307772  scan_bus: scanning of bus MMIO: fedc3000 took 13175 usecs

  740 08:44:22.311226  MMIO: fedc4000 scanning...

  741 08:44:22.315232  scan_generic_bus for MMIO: fedc4000

  742 08:44:22.318155  bus: MMIO: fedc4000[0]->I2C: 03:15 enabled

  743 08:44:22.321349  scan_generic_bus for MMIO: fedc4000 done

  744 08:44:22.327920  scan_bus: scanning of bus MMIO: fedc4000 took 13152 usecs

  745 08:44:22.331066  MMIO: fedc5000 scanning...

  746 08:44:22.334721  scan_generic_bus for MMIO: fedc5000

  747 08:44:22.337617  bus: MMIO: fedc5000[0]->I2C: 04:39 enabled

  748 08:44:22.341007  bus: MMIO: fedc5000[0]->I2C: 04:10 enabled

  749 08:44:22.344203  scan_generic_bus for MMIO: fedc5000 done

  750 08:44:22.348393  scan_bus: scanning of bus MMIO: fedc5000 took 16978 usecs

  751 08:44:22.354564  root_dev_scan_bus for Root Device done

  752 08:44:22.358160  scan_bus: scanning of bus Root Device took 426281 usecs

  753 08:44:22.358737  done

  754 08:44:22.364206  BS: BS_DEV_ENUMERATE times (us): entry 0 run 631223 exit 0

  755 08:44:22.364776  POST: 0x73

  756 08:44:22.367445  found VGA at PCI: 00:01.0

  757 08:44:22.370814  Setting up VGA for PCI: 00:01.0

  758 08:44:22.373970  Setting PCI_BRIDGE_CTL_VGA for bridge DOMAIN: 0000

  759 08:44:22.377670  Setting PCI_BRIDGE_CTL_VGA for bridge Root Device

  760 08:44:22.380832  Allocating resources...

  761 08:44:22.384640  Reading resources...

  762 08:44:22.387479  Root Device read_resources bus 0 link: 0

  763 08:44:22.390709  CPU_CLUSTER: 0 read_resources bus 0 link: 0

  764 08:44:22.394190  CPU_CLUSTER: 0 read_resources bus 0 link: 0 done

  765 08:44:22.397722  DOMAIN: 0000 read_resources bus 0 link: 0

  766 08:44:22.400811  PCI: 00:02.2 read_resources bus 1 link: 0

  767 08:44:22.407961  PCI: 00:02.2 read_resources bus 1 link: 0 done

  768 08:44:22.410985  PCI: 00:02.4 read_resources bus 2 link: 0

  769 08:44:22.414844  PCI: 00:02.4 read_resources bus 2 link: 0 done

  770 08:44:22.417911  PCI: 00:14.3 read_resources bus 0 link: 0

  771 08:44:22.424593  PCI: 00:14.3 read_resources bus 0 link: 0 done

  772 08:44:22.428139  Adding PCIe enhanced config space BAR 0xf8000000-0xfc000000.

  773 08:44:22.434823  DOMAIN: 0000 read_resources bus 0 link: 0 done

  774 08:44:22.438146  MMIO: fedc2000 read_resources bus 1 link: 0

  775 08:44:22.441158  MMIO: fedc2000 read_resources bus 1 link: 0 done

  776 08:44:22.444887  MMIO: fedc3000 read_resources bus 2 link: 0

  777 08:44:22.451437  MMIO: fedc3000 read_resources bus 2 link: 0 done

  778 08:44:22.454474  MMIO: fedc4000 read_resources bus 3 link: 0

  779 08:44:22.458113  MMIO: fedc4000 read_resources bus 3 link: 0 done

  780 08:44:22.461162  MMIO: fedc5000 read_resources bus 4 link: 0

  781 08:44:22.467755  MMIO: fedc5000 read_resources bus 4 link: 0 done

  782 08:44:22.471760  Root Device read_resources bus 0 link: 0 done

  783 08:44:22.474324  Done reading resources.

  784 08:44:22.477531  Show resources in subtree (Root Device)...After reading.

  785 08:44:22.481559   Root Device child on link 0 CPU_CLUSTER: 0

  786 08:44:22.484400    CPU_CLUSTER: 0 child on link 0 APIC: 10

  787 08:44:22.487506     APIC: 10

  788 08:44:22.490770    DOMAIN: 0000 child on link 0 PCI: 00:00.0

  789 08:44:22.497364    DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffff flags 40040100 index 10000000

  790 08:44:22.507533    DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffffffff flags 40040200 index 10000100

  791 08:44:22.507977     PCI: 00:00.0

  792 08:44:22.510658     PCI: 00:00.2

  793 08:44:22.511214     PCI: 00:01.0

  794 08:44:22.521075     PCI: 00:01.0 resource base 0 size 4000000 align 26 gran 26 limit ffffffffffffffff flags 1201 index 10

  795 08:44:22.531265     PCI: 00:01.0 resource base 0 size 800000 align 23 gran 23 limit ffffffffffffffff flags 1201 index 18

  796 08:44:22.538394     PCI: 00:01.0 resource base 0 size 100 align 8 gran 8 limit ffff flags 100 index 20

  797 08:44:22.547818     PCI: 00:01.0 resource base 0 size 40000 align 18 gran 18 limit ffffffff flags 200 index 24

  798 08:44:22.554674     PCI: 00:01.0 resource base 0 size 20000 align 17 gran 17 limit ffffffff flags 2200 index 30

  799 08:44:22.557715     PCI: 00:01.1

  800 08:44:22.564564     PCI: 00:01.1 resource base 0 size 4000 align 14 gran 14 limit ffffffffffffffff flags 201 index 10

  801 08:44:22.567966     PCI: 00:02.0

  802 08:44:22.568547     PCI: 00:02.1

  803 08:44:22.570868     PCI: 00:02.2 child on link 0 PCI: 01:00.0

  804 08:44:22.581265     PCI: 00:02.2 resource base 0 size 0 align 12 gran 12 limit ffffffff flags 80102 index 1c

  805 08:44:22.587498     PCI: 00:02.2 resource base 0 size 0 align 20 gran 20 limit ffffffffffffffff flags 81202 index 24

  806 08:44:22.597988     PCI: 00:02.2 resource base 0 size 0 align 20 gran 20 limit ffffffff flags 80202 index 20

  807 08:44:22.598583      PCI: 01:00.0

  808 08:44:22.607709      PCI: 01:00.0 resource base 0 size 200000 align 21 gran 21 limit ffffffffffffffff flags 201 index 10

  809 08:44:22.608292     PCI: 00:02.3

  810 08:44:22.614392     PCI: 00:02.4 child on link 0 PCI: 02:00.0

  811 08:44:22.621001     PCI: 00:02.4 resource base 0 size 0 align 12 gran 12 limit ffffffff flags 80102 index 1c

  812 08:44:22.631112     PCI: 00:02.4 resource base 0 size 0 align 20 gran 20 limit ffffffffffffffff flags 81202 index 24

  813 08:44:22.638010     PCI: 00:02.4 resource base 0 size 0 align 20 gran 20 limit ffffffff flags 80202 index 20

  814 08:44:22.641138      PCI: 02:00.0

  815 08:44:22.648297      PCI: 02:00.0 resource base 0 size 1000 align 12 gran 12 limit ffffffff flags 200 index 10

  816 08:44:22.658025      PCI: 02:00.0 resource base 0 size 800 align 12 gran 11 limit ffffffff flags 200 index 14

  817 08:44:22.658603     PCI: 00:02.5

  818 08:44:22.658988     PCI: 00:03.0

  819 08:44:22.661125     PCI: 00:08.0

  820 08:44:22.670790     PCI: 00:08.0 resource base 0 size 20000 align 17 gran 17 limit ffffffffffffffff flags 1201 index 10

  821 08:44:22.677865     PCI: 00:08.0 resource base 0 size 100000 align 20 gran 20 limit ffffffff flags 200 index 18

  822 08:44:22.687892     PCI: 00:08.0 resource base 0 size 1000 align 12 gran 12 limit ffffffff flags 200 index 1c

  823 08:44:22.694206     PCI: 00:08.0 resource base 0 size 100000 align 20 gran 20 limit ffffffff flags 200 index 20

  824 08:44:22.704203     PCI: 00:08.0 resource base 0 size 2000 align 13 gran 13 limit ffffffff flags 200 index 24

  825 08:44:22.704760     PCI: 00:09.0

  826 08:44:22.705134     PCI: 00:09.2

  827 08:44:22.707808     PCI: 00:10.0

  828 08:44:22.717862     PCI: 00:10.0 resource base 0 size 2000 align 13 gran 13 limit ffffffffffffffff flags 201 index 10

  829 08:44:22.718487     PCI: 00:11.0

  830 08:44:22.718867     PCI: 00:12.0

  831 08:44:22.727406     PCI: 00:12.0 resource base 0 size 100 align 12 gran 8 limit ffffffff flags 200 index 10

  832 08:44:22.727990     PCI: 00:14.0

  833 08:44:22.730526     PCI: 00:14.3 child on link 0 PNP: 0c09.0

  834 08:44:22.741273     PCI: 00:14.3 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0040100 index 10000000

  835 08:44:22.751114     PCI: 00:14.3 resource base ff000000 size 1000000 align 0 gran 0 limit 0 flags c0040200 index 10000100

  836 08:44:22.757381     PCI: 00:14.3 resource base fec10000 size 400 align 0 gran 0 limit 0 flags e0040200 index 2

  837 08:44:22.767622     PCI: 00:14.3 resource base fec00000 size 1000 align 0 gran 0 limit 0 flags c0000200 index 3

  838 08:44:22.774378     PCI: 00:14.3 resource base fedc2000 size 4000 align 0 gran 0 limit 0 flags c0000200 index 4

  839 08:44:22.777152      PNP: 0c09.0

  840 08:44:22.783995      PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0

  841 08:44:22.784579     PCI: 00:14.7

  842 08:44:22.794374     PCI: 00:14.7 resource base 0 size 100 align 12 gran 8 limit ffffffffffffffff flags 201 index 10

  843 08:44:22.797659     PCI: 00:18.0

  844 08:44:22.804507     PCI: 00:18.0 resource base f8000000 size 4000000 align 0 gran 0 limit 0 flags f0000200 index c0010058

  845 08:44:22.814671     PCI: 00:18.0 resource base fec20000 size 1000 align 0 gran 0 limit 0 flags c0000200 index fec20000

  846 08:44:22.815295     PCI: 00:18.1

  847 08:44:22.817457     PCI: 00:18.2

  848 08:44:22.818102     PCI: 00:18.3

  849 08:44:22.820538     PCI: 00:18.4

  850 08:44:22.821050     PCI: 00:18.5

  851 08:44:22.824238    MMIO: fedc2000 child on link 0 GENERIC: 0.0

  852 08:44:22.827725     GENERIC: 0.0

  853 08:44:22.828324     I2C: 01:1a

  854 08:44:22.831084     GENERIC: 0.1

  855 08:44:22.834493    MMIO: fedc3000 child on link 0 I2C: 02:50

  856 08:44:22.834987     I2C: 02:50

  857 08:44:22.838389    MMIO: fedc4000 child on link 0 I2C: 03:15

  858 08:44:22.841146     I2C: 03:15

  859 08:44:22.844542    MMIO: fedc5000 child on link 0 I2C: 04:39

  860 08:44:22.845148     I2C: 04:39

  861 08:44:22.847420     I2C: 04:10

  862 08:44:22.850954  DOMAIN: 0000 io: base: 0 size: 0 align: 0 gran: 0 limit: ffff

  863 08:44:22.857524  PCI: 00:02.2 io: base: 0 size: 0 align: 12 gran: 12 limit: ffffffff

  864 08:44:22.864325  PCI: 00:02.2 io: base: 0 size: 0 align: 12 gran: 12 limit: ffffffff done

  865 08:44:22.871108  PCI: 00:02.4 io: base: 0 size: 0 align: 12 gran: 12 limit: ffffffff

  866 08:44:22.878218  PCI: 00:02.4 io: base: 0 size: 0 align: 12 gran: 12 limit: ffffffff done

  867 08:44:22.881273  PCI: 00:01.0 20 *  [0x0 - 0xff] io

  868 08:44:22.888002  DOMAIN: 0000 io: base: 100 size: 100 align: 8 gran: 0 limit: ffff done

  869 08:44:22.891316  DOMAIN: 0000 mem: base: 0 size: 0 align: 0 gran: 0 limit: ffffffff

  870 08:44:22.901818  PCI: 00:02.2 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff

  871 08:44:22.907899  PCI: 00:02.2 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff done

  872 08:44:22.914123  PCI: 00:02.2 mem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffff

  873 08:44:22.917991  PCI: 01:00.0 10 *  [0x0 - 0x1fffff] mem

  874 08:44:22.924345  PCI: 00:02.2 mem: base: 200000 size: 200000 align: 21 gran: 20 limit: ffffffff done

  875 08:44:22.930747  PCI: 00:02.4 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff

  876 08:44:22.937700  PCI: 00:02.4 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff done

  877 08:44:22.944651  PCI: 00:02.4 mem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffff

  878 08:44:22.947657  PCI: 02:00.0 10 *  [0x0 - 0xfff] mem

  879 08:44:22.951243  PCI: 02:00.0 14 *  [0x1000 - 0x17ff] mem

  880 08:44:22.958028  PCI: 00:02.4 mem: base: 1800 size: 100000 align: 20 gran: 20 limit: ffffffff done

  881 08:44:22.964658  PCI: 00:01.0 10 *  [0x0 - 0x3ffffff] prefmem

  882 08:44:22.967584  PCI: 00:01.0 18 *  [0x4000000 - 0x47fffff] prefmem

  883 08:44:22.971250  PCI: 00:02.2 20 *  [0x4800000 - 0x49fffff] mem

  884 08:44:22.977970  PCI: 00:02.4 20 *  [0x4a00000 - 0x4afffff] mem

  885 08:44:22.981405  PCI: 00:08.0 18 *  [0x4b00000 - 0x4bfffff] mem

  886 08:44:22.984554  PCI: 00:08.0 20 *  [0x4c00000 - 0x4cfffff] mem

  887 08:44:22.987906  PCI: 00:01.0 24 *  [0x4d00000 - 0x4d3ffff] mem

  888 08:44:22.994846  PCI: 00:01.0 30 *  [0x4d40000 - 0x4d5ffff] mem

  889 08:44:22.997521  PCI: 00:08.0 10 *  [0x4d60000 - 0x4d7ffff] prefmem

  890 08:44:23.000886  PCI: 00:01.1 10 *  [0x4d80000 - 0x4d83fff] mem

  891 08:44:23.004359  PCI: 00:08.0 24 *  [0x4d84000 - 0x4d85fff] mem

  892 08:44:23.010910  PCI: 00:10.0 10 *  [0x4d86000 - 0x4d87fff] mem

  893 08:44:23.014513  PCI: 00:08.0 1c *  [0x4d88000 - 0x4d88fff] mem

  894 08:44:23.017973  PCI: 00:12.0 10 *  [0x4d89000 - 0x4d890ff] mem

  895 08:44:23.021287  PCI: 00:14.7 10 *  [0x4d8a000 - 0x4d8a0ff] mem

  896 08:44:23.031267  DOMAIN: 0000 mem: base: 4d8a100 size: 4d8a100 align: 26 gran: 0 limit: ffffffff done

  897 08:44:23.034154  avoid_fixed_resources: DOMAIN: 0000

  898 08:44:23.037262  avoid_fixed_resources:@DOMAIN: 0000 10000000 limit 0000ffff

  899 08:44:23.044790  avoid_fixed_resources:@DOMAIN: 0000 10000100 limit ffffffff

  900 08:44:23.050640  constrain_resources: PCI: 00:14.3 10000000 base 00000000 limit 00000fff io (fixed)

  901 08:44:23.057403  constrain_resources: PCI: 00:14.3 10000100 base ff000000 limit ffffffff mem (fixed)

  902 08:44:23.064162  constrain_resources: PCI: 00:14.3 02 base fec10000 limit fec103ff mem (fixed)

  903 08:44:23.070625  constrain_resources: PCI: 00:14.3 03 base fec00000 limit fec00fff mem (fixed)

  904 08:44:23.080806  constrain_resources: PCI: 00:18.0 c0010058 base f8000000 limit fbffffff mem (fixed)

  905 08:44:23.087421  avoid_fixed_resources:@DOMAIN: 0000 10000000 base 00001000 limit 0000ffff

  906 08:44:23.091069  avoid_fixed_resources:@DOMAIN: 0000 10000100 base f0000000 limit f7ffffff

  907 08:44:23.094252  Setting resources...

  908 08:44:23.100959  DOMAIN: 0000 io: base:1000 size:100 align:8 gran:0 limit:ffff

  909 08:44:23.104327  PCI: 00:01.0 20 *  [0x1000 - 0x10ff] io

  910 08:44:23.110778  DOMAIN: 0000 io: next_base: 1100 size: 100 align: 8 gran: 0 done

  911 08:44:23.114554  PCI: 00:02.2 io: base:ffff size:0 align:12 gran:12 limit:ffff

  912 08:44:23.120968  PCI: 00:02.2 io: next_base: ffff size: 0 align: 12 gran: 12 done

  913 08:44:23.127965  PCI: 00:02.4 io: base:ffff size:0 align:12 gran:12 limit:ffff

  914 08:44:23.130891  PCI: 00:02.4 io: next_base: ffff size: 0 align: 12 gran: 12 done

  915 08:44:23.137454  DOMAIN: 0000 mem: base:f0000000 size:4d8a100 align:26 gran:0 limit:f7ffffff

  916 08:44:23.143867  PCI: 00:01.0 10 *  [0xf0000000 - 0xf3ffffff] prefmem

  917 08:44:23.147442  PCI: 00:01.0 18 *  [0xf4000000 - 0xf47fffff] prefmem

  918 08:44:23.150825  PCI: 00:02.2 20 *  [0xf4800000 - 0xf49fffff] mem

  919 08:44:23.157773  PCI: 00:02.4 20 *  [0xf4a00000 - 0xf4afffff] mem

  920 08:44:23.160959  PCI: 00:08.0 18 *  [0xf4b00000 - 0xf4bfffff] mem

  921 08:44:23.164291  PCI: 00:08.0 20 *  [0xf4c00000 - 0xf4cfffff] mem

  922 08:44:23.170733  PCI: 00:01.0 24 *  [0xf4d00000 - 0xf4d3ffff] mem

  923 08:44:23.174326  PCI: 00:01.0 30 *  [0xf4d40000 - 0xf4d5ffff] mem

  924 08:44:23.177717  PCI: 00:08.0 10 *  [0xf4d60000 - 0xf4d7ffff] prefmem

  925 08:44:23.181456  PCI: 00:01.1 10 *  [0xf4d80000 - 0xf4d83fff] mem

  926 08:44:23.187738  PCI: 00:08.0 24 *  [0xf4d84000 - 0xf4d85fff] mem

  927 08:44:23.191178  PCI: 00:10.0 10 *  [0xf4d86000 - 0xf4d87fff] mem

  928 08:44:23.194400  PCI: 00:08.0 1c *  [0xf4d88000 - 0xf4d88fff] mem

  929 08:44:23.201414  PCI: 00:12.0 10 *  [0xf4d89000 - 0xf4d890ff] mem

  930 08:44:23.204808  PCI: 00:14.7 10 *  [0xf4d8a000 - 0xf4d8a0ff] mem

  931 08:44:23.211202  DOMAIN: 0000 mem: next_base: f4d8a100 size: 4d8a100 align: 26 gran: 0 done

  932 08:44:23.218090  PCI: 00:02.2 prefmem: base:f7ffffff size:0 align:20 gran:20 limit:f7ffffff

  933 08:44:23.224703  PCI: 00:02.2 prefmem: next_base: f7ffffff size: 0 align: 20 gran: 20 done

  934 08:44:23.231681  PCI: 00:02.2 mem: base:f4800000 size:200000 align:21 gran:20 limit:f49fffff

  935 08:44:23.234865  PCI: 01:00.0 10 *  [0xf4800000 - 0xf49fffff] mem

  936 08:44:23.241903  PCI: 00:02.2 mem: next_base: f4a00000 size: 200000 align: 21 gran: 20 done

  937 08:44:23.248522  PCI: 00:02.4 prefmem: base:f7ffffff size:0 align:20 gran:20 limit:f7ffffff

  938 08:44:23.254894  PCI: 00:02.4 prefmem: next_base: f7ffffff size: 0 align: 20 gran: 20 done

  939 08:44:23.261295  PCI: 00:02.4 mem: base:f4a00000 size:100000 align:20 gran:20 limit:f4afffff

  940 08:44:23.264759  PCI: 02:00.0 10 *  [0xf4a00000 - 0xf4a00fff] mem

  941 08:44:23.271506  PCI: 02:00.0 14 *  [0xf4a01000 - 0xf4a017ff] mem

  942 08:44:23.278025  PCI: 00:02.4 mem: next_base: f4a01800 size: 100000 align: 20 gran: 20 done

  943 08:44:23.281277  Root Device assign_resources, bus 0 link: 0

  944 08:44:23.284596  DOMAIN: 0000 assign_resources, bus 0 link: 0

  945 08:44:23.291633  PCI: 00:01.0 10 <- [0x00f0000000 - 0x00f3ffffff] size 0x04000000 gran 0x1a prefmem64

  946 08:44:23.301574  PCI: 00:01.0 18 <- [0x00f4000000 - 0x00f47fffff] size 0x00800000 gran 0x17 prefmem64

  947 08:44:23.308601  PCI: 00:01.0 20 <- [0x0000001000 - 0x00000010ff] size 0x00000100 gran 0x08 io

  948 08:44:23.315055  PCI: 00:01.0 24 <- [0x00f4d00000 - 0x00f4d3ffff] size 0x00040000 gran 0x12 mem

  949 08:44:23.321605  PCI: 00:01.0 30 <- [0x00f4d40000 - 0x00f4d5ffff] size 0x00020000 gran 0x11 romem

  950 08:44:23.328409  PCI: 00:01.1 10 <- [0x00f4d80000 - 0x00f4d83fff] size 0x00004000 gran 0x0e mem64

  951 08:44:23.334742  PCI: 00:02.2 1c <- [0x000000ffff - 0x000000fffe] size 0x00000000 gran 0x0c bus 01 io

  952 08:44:23.344817  PCI: 00:02.2 24 <- [0x00f7ffffff - 0x00f7fffffe] size 0x00000000 gran 0x14 bus 01 prefmem

  953 08:44:23.352031  PCI: 00:02.2 20 <- [0x00f4800000 - 0x00f49fffff] size 0x00200000 gran 0x14 bus 01 mem

  954 08:44:23.354903  PCI: 00:02.2 assign_resources, bus 1 link: 0

  955 08:44:23.361541  PCI: 01:00.0 10 <- [0x00f4800000 - 0x00f49fffff] size 0x00200000 gran 0x15 mem64

  956 08:44:23.364834  PCI: 00:02.2 assign_resources, bus 1 link: 0

  957 08:44:23.374699  PCI: 00:02.4 1c <- [0x000000ffff - 0x000000fffe] size 0x00000000 gran 0x0c bus 02 io

  958 08:44:23.381228  PCI: 00:02.4 24 <- [0x00f7ffffff - 0x00f7fffffe] size 0x00000000 gran 0x14 bus 02 prefmem

  959 08:44:23.387901  PCI: 00:02.4 20 <- [0x00f4a00000 - 0x00f4afffff] size 0x00100000 gran 0x14 bus 02 mem

  960 08:44:23.394837  PCI: 00:02.4 assign_resources, bus 2 link: 0

  961 08:44:23.401553  PCI: 02:00.0 10 <- [0x00f4a00000 - 0x00f4a00fff] size 0x00001000 gran 0x0c mem

  962 08:44:23.408142  PCI: 02:00.0 14 <- [0x00f4a01000 - 0x00f4a017ff] size 0x00000800 gran 0x0b mem

  963 08:44:23.411216  PCI: 00:02.4 assign_resources, bus 2 link: 0

  964 08:44:23.418643  PCI: 00:08.0 10 <- [0x00f4d60000 - 0x00f4d7ffff] size 0x00020000 gran 0x11 prefmem64

  965 08:44:23.425036  PCI: 00:08.0 18 <- [0x00f4b00000 - 0x00f4bfffff] size 0x00100000 gran 0x14 mem

  966 08:44:23.431508  PCI: 00:08.0 1c <- [0x00f4d88000 - 0x00f4d88fff] size 0x00001000 gran 0x0c mem

  967 08:44:23.438315  PCI: 00:08.0 20 <- [0x00f4c00000 - 0x00f4cfffff] size 0x00100000 gran 0x14 mem

  968 08:44:23.448236  PCI: 00:08.0 24 <- [0x00f4d84000 - 0x00f4d85fff] size 0x00002000 gran 0x0d mem

  969 08:44:23.454609  PCI: 00:10.0 10 <- [0x00f4d86000 - 0x00f4d87fff] size 0x00002000 gran 0x0d mem64

  970 08:44:23.461465  PCI: 00:12.0 10 <- [0x00f4d89000 - 0x00f4d890ff] size 0x00000100 gran 0x08 mem

  971 08:44:23.464437  PCI: 00:14.3 assign_resources, bus 0 link: 0

  972 08:44:23.468052  PCI: 00:14.3 assign_resources, bus 0 link: 0

  973 08:44:23.474805  PCI: 00:14.7 10 <- [0x00f4d8a000 - 0x00f4d8a0ff] size 0x00000100 gran 0x08 mem64

  974 08:44:23.481169  DOMAIN: 0000 assign_resources, bus 0 link: 0

  975 08:44:23.484484  Root Device assign_resources, bus 0 link: 0

  976 08:44:23.485074  Done setting resources.

  977 08:44:23.491348  Show resources in subtree (Root Device)...After assigning values.

  978 08:44:23.494527   Root Device child on link 0 CPU_CLUSTER: 0

  979 08:44:23.501418    CPU_CLUSTER: 0 child on link 0 APIC: 10

  980 08:44:23.502045     APIC: 10

  981 08:44:23.504668    DOMAIN: 0000 child on link 0 PCI: 00:00.0

  982 08:44:23.514401    DOMAIN: 0000 resource base 1000 size 100 align 8 gran 0 limit ffff flags 40040100 index 10000000

  983 08:44:23.524635    DOMAIN: 0000 resource base f0000000 size 4d8a100 align 26 gran 0 limit f7ffffff flags 40040200 index 10000100

  984 08:44:23.531318    DOMAIN: 0000 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 10

  985 08:44:23.538312    DOMAIN: 0000 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index 11

  986 08:44:23.548266    DOMAIN: 0000 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index 12

  987 08:44:23.554989    DOMAIN: 0000 resource base 100000 size cdf00000 align 0 gran 0 limit 0 flags e0004200 index 13

  988 08:44:23.564650    DOMAIN: 0000 resource base ce000000 size 2000000 align 0 gran 0 limit 0 flags f0004200 index 14

  989 08:44:23.574705    DOMAIN: 0000 resource base 100000000 size 2f000000 align 0 gran 0 limit 0 flags e0004200 index 15

  990 08:44:23.575445     PCI: 00:00.0

  991 08:44:23.575872     PCI: 00:00.2

  992 08:44:23.578640     PCI: 00:01.0

  993 08:44:23.588376     PCI: 00:01.0 resource base f0000000 size 4000000 align 26 gran 26 limit f3ffffff flags 60001201 index 10

  994 08:44:23.597815     PCI: 00:01.0 resource base f4000000 size 800000 align 23 gran 23 limit f47fffff flags 60001201 index 18

  995 08:44:23.604602     PCI: 00:01.0 resource base 1000 size 100 align 8 gran 8 limit 10ff flags 60000100 index 20

  996 08:44:23.614554     PCI: 00:01.0 resource base f4d00000 size 40000 align 18 gran 18 limit f4d3ffff flags 60000200 index 24

  997 08:44:23.624995     PCI: 00:01.0 resource base f4d40000 size 20000 align 17 gran 17 limit f4d5ffff flags 60002200 index 30

  998 08:44:23.625572     PCI: 00:01.1

  999 08:44:23.635284     PCI: 00:01.1 resource base f4d80000 size 4000 align 14 gran 14 limit f4d83fff flags 60000201 index 10

 1000 08:44:23.635891     PCI: 00:02.0

 1001 08:44:23.639158     PCI: 00:02.1

 1002 08:44:23.641734     PCI: 00:02.2 child on link 0 PCI: 01:00.0

 1003 08:44:23.689126     PCI: 00:02.2 resource base ffff size 0 align 12 gran 12 limit ffff flags 60080102 index 1c

 1004 08:44:23.690130     PCI: 00:02.2 resource base f7ffffff size 0 align 20 gran 20 limit f7ffffff flags 60081202 index 24

 1005 08:44:23.690556     PCI: 00:02.2 resource base f4800000 size 200000 align 21 gran 20 limit f49fffff flags 60080202 index 20

 1006 08:44:23.691033      PCI: 01:00.0

 1007 08:44:23.691499      PCI: 01:00.0 resource base f4800000 size 200000 align 21 gran 21 limit f49fffff flags 60000201 index 10

 1008 08:44:23.691886     PCI: 00:02.3

 1009 08:44:23.692219     PCI: 00:02.4 child on link 0 PCI: 02:00.0

 1010 08:44:23.699550     PCI: 00:02.4 resource base ffff size 0 align 12 gran 12 limit ffff flags 60080102 index 1c

 1011 08:44:23.702642     PCI: 00:02.4 resource base f7ffffff size 0 align 20 gran 20 limit f7ffffff flags 60081202 index 24

 1012 08:44:23.709496     PCI: 00:02.4 resource base f4a00000 size 100000 align 20 gran 20 limit f4afffff flags 60080202 index 20

 1013 08:44:23.713269      PCI: 02:00.0

 1014 08:44:23.722730      PCI: 02:00.0 resource base f4a00000 size 1000 align 12 gran 12 limit f4a00fff flags 60000200 index 10

 1015 08:44:23.729580      PCI: 02:00.0 resource base f4a01000 size 800 align 12 gran 11 limit f4a017ff flags 60000200 index 14

 1016 08:44:23.732688     PCI: 00:02.5

 1017 08:44:23.733277     PCI: 00:03.0

 1018 08:44:23.736468     PCI: 00:08.0

 1019 08:44:23.745883     PCI: 00:08.0 resource base f4d60000 size 20000 align 17 gran 17 limit f4d7ffff flags 60001201 index 10

 1020 08:44:23.753048     PCI: 00:08.0 resource base f4b00000 size 100000 align 20 gran 20 limit f4bfffff flags 60000200 index 18

 1021 08:44:23.762865     PCI: 00:08.0 resource base f4d88000 size 1000 align 12 gran 12 limit f4d88fff flags 60000200 index 1c

 1022 08:44:23.772964     PCI: 00:08.0 resource base f4c00000 size 100000 align 20 gran 20 limit f4cfffff flags 60000200 index 20

 1023 08:44:23.782370     PCI: 00:08.0 resource base f4d84000 size 2000 align 13 gran 13 limit f4d85fff flags 60000200 index 24

 1024 08:44:23.782946     PCI: 00:09.0

 1025 08:44:23.785958     PCI: 00:09.2

 1026 08:44:23.786456     PCI: 00:10.0

 1027 08:44:23.795740     PCI: 00:10.0 resource base f4d86000 size 2000 align 13 gran 13 limit f4d87fff flags 60000201 index 10

 1028 08:44:23.796319     PCI: 00:11.0

 1029 08:44:23.798648     PCI: 00:12.0

 1030 08:44:23.808916     PCI: 00:12.0 resource base f4d89000 size 100 align 12 gran 8 limit f4d890ff flags 60000200 index 10

 1031 08:44:23.809471     PCI: 00:14.0

 1032 08:44:23.812335     PCI: 00:14.3 child on link 0 PNP: 0c09.0

 1033 08:44:23.822083     PCI: 00:14.3 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0040100 index 10000000

 1034 08:44:23.828852     PCI: 00:14.3 resource base ff000000 size 1000000 align 0 gran 0 limit 0 flags c0040200 index 10000100

 1035 08:44:23.838864     PCI: 00:14.3 resource base fec10000 size 400 align 0 gran 0 limit 0 flags e0040200 index 2

 1036 08:44:23.849135     PCI: 00:14.3 resource base fec00000 size 1000 align 0 gran 0 limit 0 flags c0000200 index 3

 1037 08:44:23.855094     PCI: 00:14.3 resource base fedc2000 size 4000 align 0 gran 0 limit 0 flags c0000200 index 4

 1038 08:44:23.855569      PNP: 0c09.0

 1039 08:44:23.865115      PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0

 1040 08:44:23.865687     PCI: 00:14.7

 1041 08:44:23.875343     PCI: 00:14.7 resource base f4d8a000 size 100 align 12 gran 8 limit f4d8a0ff flags 60000201 index 10

 1042 08:44:23.875966     PCI: 00:18.0

 1043 08:44:23.885313     PCI: 00:18.0 resource base f8000000 size 4000000 align 0 gran 0 limit 0 flags f0000200 index c0010058

 1044 08:44:23.895195     PCI: 00:18.0 resource base fec20000 size 1000 align 0 gran 0 limit 0 flags c0000200 index fec20000

 1045 08:44:23.895766     PCI: 00:18.1

 1046 08:44:23.898257     PCI: 00:18.2

 1047 08:44:23.898727     PCI: 00:18.3

 1048 08:44:23.901693     PCI: 00:18.4

 1049 08:44:23.902192     PCI: 00:18.5

 1050 08:44:23.905530    MMIO: fedc2000 child on link 0 GENERIC: 0.0

 1051 08:44:23.908739     GENERIC: 0.0

 1052 08:44:23.909301     I2C: 01:1a

 1053 08:44:23.911731     GENERIC: 0.1

 1054 08:44:23.914938    MMIO: fedc3000 child on link 0 I2C: 02:50

 1055 08:44:23.915407     I2C: 02:50

 1056 08:44:23.918167    MMIO: fedc4000 child on link 0 I2C: 03:15

 1057 08:44:23.921641     I2C: 03:15

 1058 08:44:23.925369    MMIO: fedc5000 child on link 0 I2C: 04:39

 1059 08:44:23.925933     I2C: 04:39

 1060 08:44:23.928775     I2C: 04:10

 1061 08:44:23.931827  Done allocating resources.

 1062 08:44:23.934920  BS: BS_DEV_RESOURCES times (us): entry 0 run 1563878 exit 0

 1063 08:44:23.942330  PCI_INTR tables: Writing registers C00/C01 for PCI IRQ routing:

 1064 08:44:23.945243  PCI_INTR_INDEX	name		     PIC mode	APIC mode

 1065 08:44:23.948222  0x00		INTA#                0x03	0x10

 1066 08:44:23.952079  0x01		INTB#                0x04	0x11

 1067 08:44:23.955289  0x02		INTC#                0x05	0x12

 1068 08:44:23.958648  0x03		INTD#                0x07	0x13

 1069 08:44:23.961854  0x04		INTE#                0x0B	0x14

 1070 08:44:23.965587  0x05		INTF#                0x1F	0x1F

 1071 08:44:23.968443  0x06		INTG#                0x1F	0x16

 1072 08:44:23.971663  0x07		INTH#                0x1F	0x17

 1073 08:44:23.975118  0x08		Misc                 0xFA	0x00

 1074 08:44:23.978476  0x09		Misc0                0xF1	0x00

 1075 08:44:23.981607  0x0A		Misc1                0x00	0x00

 1076 08:44:23.985053  0x0B		Misc2                0x00	0x00

 1077 08:44:23.988623  0x0C		Ser IRQ INTA         0x1F	0x1F

 1078 08:44:23.991731  0x0D		Ser IRQ INTB         0x1F	0x1F

 1079 08:44:23.995299  0x0E		Ser IRQ INTC         0x1F	0x1F

 1080 08:44:23.998825  0x0F		Ser IRQ INTD         0x1F	0x1F

 1081 08:44:24.001726  0x10		SCI                  0x09	0x09

 1082 08:44:24.005228  0x11		SMBUS                0x1F	0x1F

 1083 08:44:24.008551  0x12		ASF                  0x1F	0x1F

 1084 08:44:24.011627  0x13		HDA                  0x03	0x10

 1085 08:44:24.014936  0x14		FC                   0x1F	0x1F

 1086 08:44:24.018507  0x16		PerMon               0x1F	0x1F

 1087 08:44:24.022068  0x17		SD                   0x03	0x10

 1088 08:44:24.025093  0x1A		SDIOt                0x00	0x1F

 1089 08:44:24.028132  0x30		EHCI                 0x05	0x12

 1090 08:44:24.031528  0x34		XHCI                 0x04	0x12

 1091 08:44:24.034723  0x41		SATA                 0x07	0x13

 1092 08:44:24.038169  0x62		GPIO                 0x07	0x07

 1093 08:44:24.041594  0x70		I2C0                 0x03	0x03

 1094 08:44:24.044752  0x71		I2C1                 0x0F	0x0F

 1095 08:44:24.048596  0x72		I2C2                 0x06	0x06

 1096 08:44:24.051831  0x73		I2C3                 0x0E	0x0E

 1097 08:44:24.054972  0x74		UART0                0x0A	0x0A

 1098 08:44:24.059008  0x75		UART1                0x0B	0x0B

 1099 08:44:24.061792  PCI_CFG IRQ: Write PCI config space IRQ assignments

 1100 08:44:24.064995  PCI IRQ: Found device 0:01.00 using PIN A

 1101 08:44:24.071513  PCI Devfn (0x8) not found in pirq_data table

 1102 08:44:24.074635  PCI IRQ: Found device 0:01.01 using PIN B

 1103 08:44:24.078497  	Found this device in pirq_data table entry 5

 1104 08:44:24.081072  	Orig INT_PIN	: 2 (PIN B)

 1105 08:44:24.085065  	PCI_INTR idx	: 0x13 (HDA)

 1106 08:44:24.085637  	INT_LINE	: 0x3 (IRQ 3)

 1107 08:44:24.088108  PCI IRQ: Found device 0:02.02 using PIN A

 1108 08:44:24.094896  	Found this device in pirq_data table entry 1

 1109 08:44:24.095463  	Orig INT_PIN	: 1 (PIN A)

 1110 08:44:24.098166  	PCI_INTR idx	: 0x01 (INTB#)

 1111 08:44:24.101193  	INT_LINE	: 0x4 (IRQ 4)

 1112 08:44:24.104746  PCI IRQ: Found device 0:02.04 using PIN A

 1113 08:44:24.107939  	Found this device in pirq_data table entry 3

 1114 08:44:24.111406  	Orig INT_PIN	: 1 (PIN A)

 1115 08:44:24.114956  	PCI_INTR idx	: 0x03 (INTD#)

 1116 08:44:24.115531  	INT_LINE	: 0x7 (IRQ 7)

 1117 08:44:24.118389  PCI IRQ: Found device 0:08.00 using PIN A

 1118 08:44:24.121693  PCI Devfn (0x40) not found in pirq_data table

 1119 08:44:24.128292  PCI IRQ: Found device 0:10.00 using PIN A

 1120 08:44:24.131300  	Found this device in pirq_data table entry 10

 1121 08:44:24.134542  	Orig INT_PIN	: 1 (PIN A)

 1122 08:44:24.135012  	PCI_INTR idx	: 0x34 (XHCI)

 1123 08:44:24.137883  	INT_LINE	: 0x4 (IRQ 4)

 1124 08:44:24.141366  PCI IRQ: Found device 0:12.00 using PIN A

 1125 08:44:24.144866  	Found this device in pirq_data table entry 9

 1126 08:44:24.147708  	Orig INT_PIN	: 1 (PIN A)

 1127 08:44:24.151403  	PCI_INTR idx	: 0x30 (EHCI)

 1128 08:44:24.151958  	INT_LINE	: 0x5 (IRQ 5)

 1129 08:44:24.158171  PCI IRQ: Found device 0:14.07 using PIN A

 1130 08:44:24.161218  	Found this device in pirq_data table entry 6

 1131 08:44:24.165041  	Orig INT_PIN	: 1 (PIN A)

 1132 08:44:24.165603  	PCI_INTR idx	: 0x17 (SD)

 1133 08:44:24.168397  	INT_LINE	: 0x3 (IRQ 3)

 1134 08:44:24.171138  PCI IRQ: Found device 2:00.00 using PIN A

 1135 08:44:24.174590  	With INT_PIN swizzled to PIN A

 1136 08:44:24.177855  	Attached to bridge device 0:02h.04h

 1137 08:44:24.181288  	Found this device in pirq_data table entry 3

 1138 08:44:24.184717  	Orig INT_PIN	: 1 (PIN A)

 1139 08:44:24.188298  	PCI_INTR idx	: 0x03 (INTD#)

 1140 08:44:24.188861  	INT_LINE	: 0x7 (IRQ 7)

 1141 08:44:24.191622  PCI IRQ: Found device 1:00.00 using PIN A

 1142 08:44:24.195091  	With INT_PIN swizzled to PIN A

 1143 08:44:24.197798  	Attached to bridge device 0:02h.02h

 1144 08:44:24.201388  	Found this device in pirq_data table entry 1

 1145 08:44:24.204942  	Orig INT_PIN	: 1 (PIN A)

 1146 08:44:24.208878  	PCI_INTR idx	: 0x01 (INTB#)

 1147 08:44:24.211391  	INT_LINE	: 0x4 (IRQ 4)

 1148 08:44:24.214420  PCI_CFG IRQ: Finished writing PCI config space IRQ assignments

 1149 08:44:24.217781  POST: 0x74

 1150 08:44:24.218386  Enabling resources...

 1151 08:44:24.221386  agesawrapper_amdinitmid() entry

 1152 08:44:24.230635  agesawrapper_amdinitmid() returned AGESA_SUCCESS

 1153 08:44:24.234313  PCI: 00:00.0 subsystem <- 1022/1576

 1154 08:44:24.235020  PCI: 00:00.0 cmd <- 04

 1155 08:44:24.237084  PCI: 00:01.0 subsystem <- 1002/98e4

 1156 08:44:24.240277  PCI: 00:01.0 cmd <- 07

 1157 08:44:24.243691  PCI: 00:01.1 subsystem <- 1002/15b3

 1158 08:44:24.246821  PCI: 00:01.1 cmd <- 02

 1159 08:44:24.250190  PCI: 00:02.0 subsystem <- 1022/157b

 1160 08:44:24.250760  PCI: 00:02.0 cmd <- 00

 1161 08:44:24.254301  PCI: 00:02.2 bridge ctrl <- 0003

 1162 08:44:24.257202  PCI: 00:02.2 cmd <- 06

 1163 08:44:24.260464  PCI: 00:02.4 bridge ctrl <- 0003

 1164 08:44:24.261032  PCI: 00:02.4 cmd <- 06

 1165 08:44:24.263903  PCI: 00:03.0 cmd <- 00

 1166 08:44:24.266813  PCI: 00:08.0 subsystem <- 1022/1578

 1167 08:44:24.270652  PCI: 00:08.0 cmd <- 06

 1168 08:44:24.273920  PCI: 00:09.0 subsystem <- 1022/157d

 1169 08:44:24.274484  PCI: 00:09.0 cmd <- 00

 1170 08:44:24.277185  PCI: 00:10.0 subsystem <- 1022/7914

 1171 08:44:24.280639  PCI: 00:10.0 cmd <- 02

 1172 08:44:24.284175  PCI: 00:12.0 subsystem <- 1022/7908

 1173 08:44:24.284743  PCI: 00:12.0 cmd <- 02

 1174 08:44:24.287459  PCI: 00:14.0 subsystem <- 1022/790b

 1175 08:44:24.290517  PCI: 00:14.0 cmd <- 403

 1176 08:44:24.293818  PCI: 00:14.3 subsystem <- 1022/790e

 1177 08:44:24.297134  PCI: 00:14.3 cmd <- 0f

 1178 08:44:24.300920  Southbridge LPC decode:PNP: 0c09.0, base=0x00000800, end=0x000009fe

 1179 08:44:24.304088  Covered by wideIO 0

 1180 08:44:24.306988  PCI: 00:14.7 subsystem <- 1022/7906

 1181 08:44:24.310562  PCI: 00:14.7 cmd <- 06

 1182 08:44:24.311128  PCI: 00:18.0 cmd <- 00

 1183 08:44:24.313867  PCI: 00:18.1 subsystem <- 1022/15b1

 1184 08:44:24.316939  PCI: 00:18.1 cmd <- 00

 1185 08:44:24.320749  PCI: 00:18.2 subsystem <- 1022/15b2

 1186 08:44:24.321334  PCI: 00:18.2 cmd <- 00

 1187 08:44:24.324310  PCI: 00:18.3 subsystem <- 1022/15b3

 1188 08:44:24.327109  PCI: 00:18.3 cmd <- 00

 1189 08:44:24.330862  PCI: 00:18.4 subsystem <- 1022/15b4

 1190 08:44:24.334056  PCI: 00:18.4 cmd <- 00

 1191 08:44:24.338010  PCI: 00:18.5 subsystem <- 1022/15b5

 1192 08:44:24.338566  PCI: 00:18.5 cmd <- 00

 1193 08:44:24.340221  PCI: 01:00.0 cmd <- 02

 1194 08:44:24.343541  PCI: 02:00.0 subsystem <- 1217/8620

 1195 08:44:24.344102  PCI: 02:00.0 cmd <- 06

 1196 08:44:24.347479  done.

 1197 08:44:24.350753  BS: BS_DEV_ENABLE times (us): entry 279585 run 130686 exit 0

 1198 08:44:24.354476  POST: 0x75

 1199 08:44:24.355049  Initializing devices...

 1200 08:44:24.357516  Root Device init ...

 1201 08:44:24.360969  Root Device init finished in 1947 usecs

 1202 08:44:24.361438  POST: 0x75

 1203 08:44:24.364223  CPU_CLUSTER: 0 init ...

 1204 08:44:24.367622  MTRR: Physical address space:

 1205 08:44:24.370587  0x0000000000000000 - 0x00000000000a0000 size 0x000a0000 type 6

 1206 08:44:24.377305  0x00000000000a0000 - 0x00000000000c0000 size 0x00020000 type 0

 1207 08:44:24.384719  0x00000000000c0000 - 0x00000000d0000000 size 0xcff40000 type 6

 1208 08:44:24.387424  0x00000000d0000000 - 0x00000000f0000000 size 0x20000000 type 0

 1209 08:44:24.394184  0x00000000f0000000 - 0x00000000f4800000 size 0x04800000 type 1

 1210 08:44:24.400602  0x00000000f4800000 - 0x0000000100000000 size 0x0b800000 type 0

 1211 08:44:24.407312  0x0000000100000000 - 0x000000012f000000 size 0x2f000000 type 6

 1212 08:44:24.410894  MTRR: Fixed MSR 0x250 0x1e1e1e1e1e1e1e1e

 1213 08:44:24.414637  MTRR: Fixed MSR 0x258 0x1e1e1e1e1e1e1e1e

 1214 08:44:24.417560  MTRR: Fixed MSR 0x259 0x0000000000000000

 1215 08:44:24.420627  MTRR: Fixed MSR 0x268 0x1e1e1e1e1e1e1e1e

 1216 08:44:24.423706  MTRR: Fixed MSR 0x269 0x1e1e1e1e1e1e1e1e

 1217 08:44:24.427808  MTRR: Fixed MSR 0x26a 0x1e1e1e1e1e1e1e1e

 1218 08:44:24.430605  MTRR: Fixed MSR 0x26b 0x1e1e1e1e1e1e1e1e

 1219 08:44:24.434381  MTRR: Fixed MSR 0x26c 0x1e1e1e1e1e1e1e1e

 1220 08:44:24.437532  MTRR: Fixed MSR 0x26d 0x1e1e1e1e1e1e1e1e

 1221 08:44:24.441005  MTRR: Fixed MSR 0x26e 0x1e1e1e1e1e1e1e1e

 1222 08:44:24.447368  MTRR: Fixed MSR 0x26f 0x1e1e1e1e1e1e1e1e

 1223 08:44:24.447995  call enable_fixed_mtrr()

 1224 08:44:24.450463  CPU physical address size: 48 bits

 1225 08:44:24.454045  MTRR: default type WB/UC MTRR counts: 8/6.

 1226 08:44:24.457439  MTRR: UC selected as default type.

 1227 08:44:24.463906  MTRR: 0 base 0x0000000000000000 mask 0x0000ffff80000000 type 6

 1228 08:44:24.470086  MTRR: 1 base 0x0000000080000000 mask 0x0000ffffc0000000 type 6

 1229 08:44:24.473510  MTRR: 2 base 0x00000000c0000000 mask 0x0000fffff0000000 type 6

 1230 08:44:24.480421  MTRR: 3 base 0x00000000f0000000 mask 0x0000fffffc000000 type 1

 1231 08:44:24.487036  MTRR: 4 base 0x00000000f4000000 mask 0x0000ffffff800000 type 1

 1232 08:44:24.490628  MTRR: 5 base 0x0000000100000000 mask 0x0000ffffc0000000 type 6

 1233 08:44:24.491208  

 1234 08:44:24.493572  MTRR check

 1235 08:44:24.494074  Fixed MTRRs   : Enabled

 1236 08:44:24.497070  Variable MTRRs: Enabled

 1237 08:44:24.497646  

 1238 08:44:24.498215  POST: 0x93

 1239 08:44:24.500562  Will perform SMM setup.

 1240 08:44:24.506910  CPU: AMD A4-9120C RADEON R4, 5 COMPUTE CORES 2C+3G  .

 1241 08:44:24.513801  Loading module at 00030000 with entry 00030000. filesize: 0x170 memsize: 0x170

 1242 08:44:24.516959  Processing 16 relocs. Offset value of 0x00030000

 1243 08:44:24.520022  Attempting to start 1 APs

 1244 08:44:24.523507  Waiting for 10ms after sending INIT.

 1245 08:44:24.537621  Waiting for 1st SIPI to complete...AP: slot 1 apic_id 11.

 1246 08:44:24.538210  done.

 1247 08:44:24.540857  Waiting for 2nd SIPI to complete...done.

 1248 08:44:24.547340  Loading module at 00038000 with entry 00038000. filesize: 0x1a8 memsize: 0x1a8

 1249 08:44:24.554500  Processing 13 relocs. Offset value of 0x00038000

 1250 08:44:24.557452  SMM Module: stub loaded at 00038000. Will call cdeb995b(00000000)

 1251 08:44:24.560544  Installing SMM handler to 0xce800000

 1252 08:44:24.572579  Loading module at ce810000 with entry ce81142b. filesize: 0x6c98 memsize: 0xad18

 1253 08:44:24.576152  Processing 481 relocs. Offset value of 0xce810000

 1254 08:44:24.582456  Loading module at ce808000 with entry ce808000. filesize: 0x1a8 memsize: 0x1a8

 1255 08:44:24.586103  Processing 13 relocs. Offset value of 0xce808000

 1256 08:44:24.592371  SMM Module: placing jmp sequence at ce807e00 rel16 0x01fd

 1257 08:44:24.599375  SMM Module: stub loaded at ce808000. Will call ce81142b(00000000)

 1258 08:44:24.599788  New SMBASE 0xce800000

 1259 08:44:24.602256  Relocation complete.

 1260 08:44:24.602546  New SMBASE 0xce7ffe00

 1261 08:44:24.605822  Relocation complete.

 1262 08:44:24.609527  Initializing CPU #0

 1263 08:44:24.609923  CPU: vendor AMD device 670f00

 1264 08:44:24.612326  CPU: family 15, model 70, stepping 00

 1265 08:44:24.619299  Setting up local APIC... apic_id: 0x10 done.

 1266 08:44:24.619690  CPU #0 initialized

 1267 08:44:24.622697  Initializing CPU #1

 1268 08:44:24.625632  CPU: vendor AMD device 670f00

 1269 08:44:24.629330  CPU: family 15, model 70, stepping 00

 1270 08:44:24.632556  Setting up local APIC... apic_id: 0x11 done.

 1271 08:44:24.633114  CPU #1 initialized

 1272 08:44:24.635537  bsp_do_flight_plan done after 91 msecs.

 1273 08:44:24.639058  MTRR: TEMPORARY Physical address space:

 1274 08:44:24.645796  0x0000000000000000 - 0x00000000000a0000 size 0x000a0000 type 6

 1275 08:44:24.652572  0x00000000000a0000 - 0x00000000000c0000 size 0x00020000 type 0

 1276 08:44:24.658911  0x00000000000c0000 - 0x00000000d0000000 size 0xcff40000 type 6

 1277 08:44:24.661914  0x00000000d0000000 - 0x00000000ff000000 size 0x2f000000 type 0

 1278 08:44:24.668948  0x00000000ff000000 - 0x0000000100000000 size 0x01000000 type 5

 1279 08:44:24.672582  0x0000000100000000 - 0x000000012f000000 size 0x2f000000 type 6

 1280 08:44:24.678717  MTRR: default type WB/UC MTRR counts: 7/5.

 1281 08:44:24.681986  MTRR: UC selected as default type.

 1282 08:44:24.685525  MTRR: 0 base 0x0000000000000000 mask 0x0000ffff80000000 type 6

 1283 08:44:24.692290  MTRR: 1 base 0x0000000080000000 mask 0x0000ffffc0000000 type 6

 1284 08:44:24.698538  MTRR: 2 base 0x00000000c0000000 mask 0x0000fffff0000000 type 6

 1285 08:44:24.702283  MTRR: 3 base 0x00000000ff000000 mask 0x0000ffffff000000 type 5

 1286 08:44:24.708933  MTRR: 4 base 0x0000000100000000 mask 0x0000ffffc0000000 type 6

 1287 08:44:24.711787  CPU_CLUSTER: 0 init finished in 346093 usecs

 1288 08:44:24.715517  POST: 0x75

 1289 08:44:24.716071  POST: 0x75

 1290 08:44:24.716469  POST: 0x75

 1291 08:44:24.718596  POST: 0x75

 1292 08:44:24.719209  POST: 0x75

 1293 08:44:24.719575  POST: 0x75

 1294 08:44:24.722070  POST: 0x75

 1295 08:44:24.722621  POST: 0x75

 1296 08:44:24.722985  PCI: 00:00.0 init ...

 1297 08:44:24.728778  PCI: 00:00.0 init finished in 2003 usecs

 1298 08:44:24.729336  POST: 0x75

 1299 08:44:24.729695  POST: 0x75

 1300 08:44:24.732273  PCI: 00:01.0 init ...

 1301 08:44:24.735044  CBFS: 'Master Header Locator' located CBFS at [df0000:ffffc0)

 1302 08:44:24.738926  CBFS: Locating 'pci1002,98e4.rom'

 1303 08:44:24.742125  CBFS: Found @ offset 92c00 size fe00

 1304 08:44:24.745662  Mapping PCI device 100298e4 to 100298e0

 1305 08:44:24.752236  In CBFS, ROM address for PCI: 00:01.0 = ffe82c48

 1306 08:44:24.758509  PCI expansion ROM, signature 0xaa55, INIT size 0xfe00, data ptr 0x01c0

 1307 08:44:24.762326  PCI ROM image, vendor ID 1002, device ID 98e0,

 1308 08:44:24.765781  PCI ROM image, Class Code 030000, Code Type 00

 1309 08:44:24.771749  Copying VGA ROM Image from ffe82c48 to 0xc0000, 0xfe00 bytes

 1310 08:44:24.778756  Real mode stub @00000600: 867 bytes

 1311 08:44:24.781874  Calling Option ROM...

 1312 08:44:24.804340  ... Option ROM returned.

 1313 08:44:24.807350  VBE: Getting information about VESA mode 41d2

 1314 08:44:24.810911  VBE: resolution:  1366x768@16

 1315 08:44:24.814575  VBE: framebuffer: f0000000

 1316 08:44:24.816971  VBE: Setting VESA mode 41d2

 1317 08:44:24.841417  VGA Option ROM was run

 1318 08:44:24.844801  PCI: 00:01.0 init finished in 112266 usecs

 1319 08:44:24.848017  POST: 0x75

 1320 08:44:24.848577  PCI: 00:01.1 init ...

 1321 08:44:24.851174  PCI: 00:01.1 init finished in 2003 usecs

 1322 08:44:24.854597  POST: 0x75

 1323 08:44:24.855269  PCI: 00:02.0 init ...

 1324 08:44:24.857887  PCI: 00:02.0 init finished in 2002 usecs

 1325 08:44:24.862050  POST: 0x75

 1326 08:44:24.862602  POST: 0x75

 1327 08:44:24.862967  POST: 0x75

 1328 08:44:24.864793  POST: 0x75

 1329 08:44:24.865357  POST: 0x75

 1330 08:44:24.865715  POST: 0x75

 1331 08:44:24.868326  PCI: 00:03.0 init ...

 1332 08:44:24.871739  PCI: 00:03.0 init finished in 2002 usecs

 1333 08:44:24.872201  POST: 0x75

 1334 08:44:24.874931  PCI: 00:08.0 init ...

 1335 08:44:24.878296  PCI: 00:08.0 init finished in 2002 usecs

 1336 08:44:24.878751  POST: 0x75

 1337 08:44:24.881371  PCI: 00:09.0 init ...

 1338 08:44:24.884587  PCI: 00:09.0 init finished in 2002 usecs

 1339 08:44:24.885058  POST: 0x75

 1340 08:44:24.887899  POST: 0x75

 1341 08:44:24.888352  PCI: 00:10.0 init ...

 1342 08:44:24.891695  PCI: 00:10.0 init finished in 2002 usecs

 1343 08:44:24.895385  POST: 0x75

 1344 08:44:24.895838  POST: 0x75

 1345 08:44:24.898107  PCI: 00:12.0 init ...

 1346 08:44:24.901487  PCI: 00:12.0 init finished in 2002 usecs

 1347 08:44:24.902248  POST: 0x75

 1348 08:44:24.904507  PCI: 00:14.0 init ...

 1349 08:44:24.908176  IOAPIC: Initializing IOAPIC at 0xfec00000

 1350 08:44:24.911445  IOAPIC: Bootstrap Processor Local APIC = 0x10

 1351 08:44:24.911917  IOAPIC: ID = 0x04

 1352 08:44:24.914932  IOAPIC: Dumping registers

 1353 08:44:24.918485    reg 0x0000: 0x04000000

 1354 08:44:24.921536    reg 0x0001: 0x00178021

 1355 08:44:24.922167    reg 0x0002: 0x04000000

 1356 08:44:24.924890  IOAPIC: 24 interrupts

 1357 08:44:24.928296  IOAPIC: Enabling interrupts on FSB

 1358 08:44:24.931585  IOAPIC: reg 0x00000000 value 0x10000000 0x00000700

 1359 08:44:24.934794  IOAPIC: reg 0x00000001 value 0x00000000 0x00010000

 1360 08:44:24.941864  IOAPIC: reg 0x00000002 value 0x00000000 0x00010000

 1361 08:44:24.945428  IOAPIC: reg 0x00000003 value 0x00000000 0x00010000

 1362 08:44:24.951336  IOAPIC: reg 0x00000004 value 0x00000000 0x00010000

 1363 08:44:24.954832  IOAPIC: reg 0x00000005 value 0x00000000 0x00010000

 1364 08:44:24.958290  IOAPIC: reg 0x00000006 value 0x00000000 0x00010000

 1365 08:44:24.965156  IOAPIC: reg 0x00000007 value 0x00000000 0x00010000

 1366 08:44:24.968356  IOAPIC: reg 0x00000008 value 0x00000000 0x00010000

 1367 08:44:24.971654  IOAPIC: reg 0x00000009 value 0x00000000 0x00010000

 1368 08:44:24.978215  IOAPIC: reg 0x0000000a value 0x00000000 0x00010000

 1369 08:44:24.981606  IOAPIC: reg 0x0000000b value 0x00000000 0x00010000

 1370 08:44:24.985000  IOAPIC: reg 0x0000000c value 0x00000000 0x00010000

 1371 08:44:24.991381  IOAPIC: reg 0x0000000d value 0x00000000 0x00010000

 1372 08:44:24.994651  IOAPIC: reg 0x0000000e value 0x00000000 0x00010000

 1373 08:44:25.001437  IOAPIC: reg 0x0000000f value 0x00000000 0x00010000

 1374 08:44:25.004653  IOAPIC: reg 0x00000010 value 0x00000000 0x00010000

 1375 08:44:25.008073  IOAPIC: reg 0x00000011 value 0x00000000 0x00010000

 1376 08:44:25.014489  IOAPIC: reg 0x00000012 value 0x00000000 0x00010000

 1377 08:44:25.018229  IOAPIC: reg 0x00000013 value 0x00000000 0x00010000

 1378 08:44:25.021433  IOAPIC: reg 0x00000014 value 0x00000000 0x00010000

 1379 08:44:25.028412  IOAPIC: reg 0x00000015 value 0x00000000 0x00010000

 1380 08:44:25.031529  IOAPIC: reg 0x00000016 value 0x00000000 0x00010000

 1381 08:44:25.034830  IOAPIC: reg 0x00000017 value 0x00000000 0x00010000

 1382 08:44:25.038140  PCI: 00:14.0 init finished in 133953 usecs

 1383 08:44:25.041687  POST: 0x75

 1384 08:44:25.042283  PCI: 00:14.3 init ...

 1385 08:44:25.044997  RTC Init

 1386 08:44:25.048206  PCI: 00:14.3 init finished in 2964 usecs

 1387 08:44:25.048775  POST: 0x75

 1388 08:44:25.051504  PCI: 00:14.7 init ...

 1389 08:44:25.054874  PCI: 00:14.7 init finished in 2002 usecs

 1390 08:44:25.055453  POST: 0x75

 1391 08:44:25.058166  PCI: 00:18.0 init ...

 1392 08:44:25.061778  IOAPIC: Initializing IOAPIC at 0xfec20000

 1393 08:44:25.065157  IOAPIC: Bootstrap Processor Local APIC = 0x10

 1394 08:44:25.068526  IOAPIC: ID = 0x05

 1395 08:44:25.069093  IOAPIC: Dumping registers

 1396 08:44:25.071589    reg 0x0000: 0x05000000

 1397 08:44:25.074793    reg 0x0001: 0x001f8021

 1398 08:44:25.075260    reg 0x0002: 0x00000000

 1399 08:44:25.078041  IOAPIC: 32 interrupts

 1400 08:44:25.081632  IOAPIC: Enabling interrupts on FSB

 1401 08:44:25.084939  IOAPIC: reg 0x00000000 value 0x10000000 0x00000700

 1402 08:44:25.091411  IOAPIC: reg 0x00000001 value 0x00000000 0x00010000

 1403 08:44:25.094482  IOAPIC: reg 0x00000002 value 0x00000000 0x00010000

 1404 08:44:25.098111  IOAPIC: reg 0x00000003 value 0x00000000 0x00010000

 1405 08:44:25.104355  IOAPIC: reg 0x00000004 value 0x00000000 0x00010000

 1406 08:44:25.108476  IOAPIC: reg 0x00000005 value 0x00000000 0x00010000

 1407 08:44:25.111057  IOAPIC: reg 0x00000006 value 0x00000000 0x00010000

 1408 08:44:25.118033  IOAPIC: reg 0x00000007 value 0x00000000 0x00010000

 1409 08:44:25.121468  IOAPIC: reg 0x00000008 value 0x00000000 0x00010000

 1410 08:44:25.124733  IOAPIC: reg 0x00000009 value 0x00000000 0x00010000

 1411 08:44:25.131644  IOAPIC: reg 0x0000000a value 0x00000000 0x00010000

 1412 08:44:25.134687  IOAPIC: reg 0x0000000b value 0x00000000 0x00010000

 1413 08:44:25.141763  IOAPIC: reg 0x0000000c value 0x00000000 0x00010000

 1414 08:44:25.144623  IOAPIC: reg 0x0000000d value 0x00000000 0x00010000

 1415 08:44:25.148598  IOAPIC: reg 0x0000000e value 0x00000000 0x00010000

 1416 08:44:25.154618  IOAPIC: reg 0x0000000f value 0x00000000 0x00010000

 1417 08:44:25.158000  IOAPIC: reg 0x00000010 value 0x00000000 0x00010000

 1418 08:44:25.161348  IOAPIC: reg 0x00000011 value 0x00000000 0x00010000

 1419 08:44:25.167967  IOAPIC: reg 0x00000012 value 0x00000000 0x00010000

 1420 08:44:25.171199  IOAPIC: reg 0x00000013 value 0x00000000 0x00010000

 1421 08:44:25.174951  IOAPIC: reg 0x00000014 value 0x00000000 0x00010000

 1422 08:44:25.181497  IOAPIC: reg 0x00000015 value 0x00000000 0x00010000

 1423 08:44:25.184341  IOAPIC: reg 0x00000016 value 0x00000000 0x00010000

 1424 08:44:25.191388  IOAPIC: reg 0x00000017 value 0x00000000 0x00010000

 1425 08:44:25.194381  IOAPIC: reg 0x00000018 value 0x00000000 0x00010000

 1426 08:44:25.197608  IOAPIC: reg 0x00000019 value 0x00000000 0x00010000

 1427 08:44:25.204347  IOAPIC: reg 0x0000001a value 0x00000000 0x00010000

 1428 08:44:25.207925  IOAPIC: reg 0x0000001b value 0x00000000 0x00010000

 1429 08:44:25.211072  IOAPIC: reg 0x0000001c value 0x00000000 0x00010000

 1430 08:44:25.217916  IOAPIC: reg 0x0000001d value 0x00000000 0x00010000

 1431 08:44:25.221336  IOAPIC: reg 0x0000001e value 0x00000000 0x00010000

 1432 08:44:25.224978  IOAPIC: reg 0x0000001f value 0x00000000 0x00010000

 1433 08:44:25.231334  PCI: 00:18.0 init finished in 170073 usecs

 1434 08:44:25.231899  POST: 0x75

 1435 08:44:25.232279  PCI: 00:18.1 init ...

 1436 08:44:25.238166  PCI: 00:18.1 init finished in 2002 usecs

 1437 08:44:25.238729  POST: 0x75

 1438 08:44:25.239099  PCI: 00:18.2 init ...

 1439 08:44:25.244657  PCI: 00:18.2 init finished in 2002 usecs

 1440 08:44:25.245223  POST: 0x75

 1441 08:44:25.245596  PCI: 00:18.3 init ...

 1442 08:44:25.251289  PCI: 00:18.3 init finished in 2002 usecs

 1443 08:44:25.251855  POST: 0x75

 1444 08:44:25.254508  PCI: 00:18.4 init ...

 1445 08:44:25.257910  PCI: 00:18.4 init finished in 2002 usecs

 1446 08:44:25.258498  POST: 0x75

 1447 08:44:25.261205  PCI: 00:18.5 init ...

 1448 08:44:25.264748  PCI: 00:18.5 init finished in 2002 usecs

 1449 08:44:25.265319  POST: 0x75

 1450 08:44:25.267672  PCI: 01:00.0 init ...

 1451 08:44:25.271634  PCI: 01:00.0 init finished in 2002 usecs

 1452 08:44:25.272196  POST: 0x75

 1453 08:44:25.274844  PCI: 02:00.0 init ...

 1454 08:44:25.277905  BayHub BH720: Power-saving enabled (link_ctrl=0x110103)

 1455 08:44:25.281133  PCI: 02:00.0 init finished in 7128 usecs

 1456 08:44:25.284179  POST: 0x75

 1457 08:44:25.284816  PNP: 0c09.0 init ...

 1458 08:44:25.291098  Google Chrome EC: Hello got back 11223344 status (0)

 1459 08:44:25.294447  Google Chrome EC: version:

 1460 08:44:25.297997      ro: careena_v2.0.11488-7215d6e0e4

 1461 08:44:25.301085      rw: careena_v2.0.11488-7215d6e0e4

 1462 08:44:25.301647    running image: 1

 1463 08:44:25.304174  Google Chrome EC uptime: 5.552 seconds

 1464 08:44:25.307587  Google Chrome AP resets since EC boot: 0

 1465 08:44:25.310912  Google Chrome most recent AP reset causes:

 1466 08:44:25.317699  Google Chrome EC reset flags at last EC boot: reset-pin

 1467 08:44:25.321316  PNP: 0c09.0 init finished in 34604 usecs

 1468 08:44:25.321896  POST: 0x75

 1469 08:44:25.324144  POST: 0x75

 1470 08:44:25.324608  POST: 0x75

 1471 08:44:25.324996  POST: 0x75

 1472 08:44:25.327416  POST: 0x75

 1473 08:44:25.327883  POST: 0x75

 1474 08:44:25.328250  POST: 0x75

 1475 08:44:25.331157  Devices initialized

 1476 08:44:25.334132  Show all devs... After init.

 1477 08:44:25.334628  Root Device: enabled 1

 1478 08:44:25.337355  CPU_CLUSTER: 0: enabled 1

 1479 08:44:25.341663  DOMAIN: 0000: enabled 1

 1480 08:44:25.342174  MMIO: fedc2000: enabled 1

 1481 08:44:25.344333  MMIO: fedc3000: enabled 1

 1482 08:44:25.347602  MMIO: fedc4000: enabled 1

 1483 08:44:25.350694  MMIO: fedc5000: enabled 1

 1484 08:44:25.351166  APIC: 10: enabled 1

 1485 08:44:25.354686  PCI: 00:00.0: enabled 1

 1486 08:44:25.355255  PCI: 00:00.2: enabled 0

 1487 08:44:25.357417  PCI: 00:01.0: enabled 1

 1488 08:44:25.361186  PCI: 00:01.1: enabled 1

 1489 08:44:25.361764  PCI: 00:02.0: enabled 1

 1490 08:44:25.364210  PCI: 00:02.1: enabled 0

 1491 08:44:25.367587  PCI: 00:02.2: enabled 1

 1492 08:44:25.368163  PCI: 00:02.3: enabled 0

 1493 08:44:25.370608  PCI: 00:02.4: enabled 1

 1494 08:44:25.373932  PCI: 00:02.5: enabled 0

 1495 08:44:25.374435  PCI: 00:08.0: enabled 1

 1496 08:44:25.377559  PCI: 00:09.0: enabled 1

 1497 08:44:25.380932  PCI: 00:09.2: enabled 0

 1498 08:44:25.381506  PCI: 00:10.0: enabled 1

 1499 08:44:25.384176  PCI: 00:11.0: enabled 0

 1500 08:44:25.387519  PCI: 00:12.0: enabled 1

 1501 08:44:25.387981  PCI: 00:14.0: enabled 1

 1502 08:44:25.390744  PCI: 00:14.3: enabled 1

 1503 08:44:25.394169  PCI: 00:14.7: enabled 1

 1504 08:44:25.394773  PCI: 00:18.0: enabled 1

 1505 08:44:25.397715  PCI: 00:18.1: enabled 1

 1506 08:44:25.400612  PCI: 00:18.2: enabled 1

 1507 08:44:25.401174  PCI: 00:18.3: enabled 1

 1508 08:44:25.403894  PCI: 00:18.4: enabled 1

 1509 08:44:25.407051  PCI: 00:18.5: enabled 1

 1510 08:44:25.407514  GENERIC: 0.0: enabled 1

 1511 08:44:25.410805  I2C: 01:1a: enabled 1

 1512 08:44:25.411365  GENERIC: 0.1: enabled 1

 1513 08:44:25.413804  I2C: 02:50: enabled 1

 1514 08:44:25.417653  I2C: 03:15: enabled 1

 1515 08:44:25.418329  I2C: 04:39: enabled 1

 1516 08:44:25.420634  I2C: 04:10: enabled 1

 1517 08:44:25.423932  PCI: 02:00.0: enabled 1

 1518 08:44:25.424396  PNP: 0c09.0: enabled 1

 1519 08:44:25.427196  PCI: 00:03.0: enabled 1

 1520 08:44:25.427758  PCI: 01:00.0: enabled 1

 1521 08:44:25.430717  APIC: 11: enabled 1

 1522 08:44:25.437057  BS: BS_DEV_INIT times (us): entry 0 run 1076631 exit 150

 1523 08:44:25.440423  ELOG: Event(A1) added with size 10 at 2024-02-29 08:43:47 UTC

 1524 08:44:25.447719  elog_add_boot_reason: Logged recovery mode boot (Dev-switch on), reason: 0x1b

 1525 08:44:25.454181  ELOG: Event(A0) added with size 9 at 2024-02-29 08:43:47 UTC

 1526 08:44:25.457295  elog_add_boot_reason: Logged dev mode boot

 1527 08:44:25.460586  POST: 0x76

 1528 08:44:25.461149  Finalize devices...

 1529 08:44:25.463958  Devices finalized

 1530 08:44:25.467413  FMAP: area RW_NVRAM found @ 467000 (20480 bytes)

 1531 08:44:25.470471  agesawrapper_amdinitlate() entry

 1532 08:44:25.489032  DmiTable:cdfbd4a3, AcpiPstatein: cdfbc2b9, AcpiSrat:00000000,AcpiSlit:00000000, Mce:cdfbd327, Cmc:cdfbd3e9,Alib:cdfbe586, AcpiIvrs:00000000 in agesawrapper_amdinitlate

 1533 08:44:25.492266  agesawrapper_amdinitlate() returned AGESA_SUCCESS

 1534 08:44:25.495393  agesawrapper_amdinitrtb() entry

 1535 08:44:25.502646  agesawrapper_amdinitrtb() returned AGESA_SUCCESS

 1536 08:44:25.505628  BS: BS_POST_DEVICE times (us): entry 22182 run 4547 exit 38208

 1537 08:44:25.512243  FMAP: area RW_MRC_CACHE found @ 0 (65536 bytes)

 1538 08:44:25.515426  MRC: Checking cached data update for 'RW_MRC_CACHE'.

 1539 08:44:25.518393  MRC: cache data 'RW_MRC_CACHE' needs update.

 1540 08:44:25.535414  ELOG: Event(AA) added with size 11 at 2024-02-29 08:43:47 UTC

 1541 08:44:25.535981  POST: 0x77

 1542 08:44:25.541933  BS: BS_OS_RESUME_CHECK times (us): entry 29394 run 1061 exit 1

 1543 08:44:25.542531  POST: 0x79

 1544 08:44:25.545439  POST: 0x9c

 1545 08:44:25.548958  CBFS: 'Master Header Locator' located CBFS at [df0000:ffffc0)

 1546 08:44:25.552078  CBFS: Locating 'fallback/dsdt.aml'

 1547 08:44:25.556344  CBFS: Found @ offset a6cc0 size 3b94

 1548 08:44:25.562092  CBFS: 'Master Header Locator' located CBFS at [df0000:ffffc0)

 1549 08:44:25.565465  CBFS: Locating 'fallback/slic'

 1550 08:44:25.569104  CBFS: 'fallback/slic' not found.

 1551 08:44:25.571879  ACPI: Writing ACPI tables at cde2e000.

 1552 08:44:25.572473  ACPI:    * FACS

 1553 08:44:25.574986  ACPI:    * DSDT

 1554 08:44:25.578910  Ramoops buffer: 0x100000@0xcdd2e000.

 1555 08:44:25.581997  ACPI:    * FADT

 1556 08:44:25.582481  pm_base: 0x0400

 1557 08:44:25.585133  ACPI: added table 1/32, length now 40

 1558 08:44:25.588456  ACPI:     * SSDT

 1559 08:44:25.588921  ACPI \_PR report 2 core(s)

 1560 08:44:25.591676  dw_i2c: bad counts. hcnt = -1 lcnt = 9

 1561 08:44:25.595130  dw_i2c: bad counts. hcnt = -1 lcnt = 13

 1562 08:44:25.601720  dw_i2c: bad counts. hcnt = -13 lcnt = 11

 1563 08:44:25.604955  dw_i2c: bad counts. hcnt = -7 lcnt = 16

 1564 08:44:25.609026  CBFS: 'Master Header Locator' located CBFS at [df0000:ffffc0)

 1565 08:44:25.612167  CBFS: Locating 'pci1002,98e4.rom'

 1566 08:44:25.614837  CBFS: Found @ offset 92c00 size fe00

 1567 08:44:25.618557  Mapping PCI device 100298e4 to 100298e0

 1568 08:44:25.625278  In CBFS, ROM address for PCI: 00:01.0 = ffe82c48

 1569 08:44:25.628459  PCI expansion ROM, signature 0xaa55, INIT size 0xfe00, data ptr 0x01c0

 1570 08:44:25.635156  PCI ROM image, vendor ID 1002, device ID 98e0,

 1571 08:44:25.638209  PCI ROM image, Class Code 030000, Code Type 00

 1572 08:44:25.645412  \_SB.I2CA.ADAU: Analog Digital DMIC

 1573 08:44:25.652499  \_SB.I2CA.DLG7: Dialog Semiconductor DA7219 Audio Codec address 01ah irq 0

 1574 08:44:25.658946  \_SB.I2CA.MAXM: Maxim Integrated 98357A Amplifier

 1575 08:44:25.662274  \_SB.I2CB.TPMI: I2C TPM at I2C: 02:50

 1576 08:44:25.665187  \_SB.I2CC.D015: ELAN Touchpad at I2C: 03:15

 1577 08:44:25.669715  \_SB.I2CD.D039: Raydium Touchscreen at I2C: 04:39

 1578 08:44:25.675790  \_SB.I2CD.D010: ELAN Touchscreen at I2C: 04:10

 1579 08:44:25.679053  ACPI: added table 2/32, length now 44

 1580 08:44:25.679635  ACPI:    * MCFG

 1581 08:44:25.682229  ACPI: added table 3/32, length now 48

 1582 08:44:25.685739  ACPI:    * TCPA

 1583 08:44:25.686357  TCPA log created at cdd0e000

 1584 08:44:25.689132  ACPI: added table 4/32, length now 52

 1585 08:44:25.692276  ACPI:    * MADT

 1586 08:44:25.695692  ACPI: added table 5/32, length now 56

 1587 08:44:25.696256  current = cde32e10

 1588 08:44:25.702280  CBFS: 'Master Header Locator' located CBFS at [df0000:ffffc0)

 1589 08:44:25.705781  CBFS: Locating 'pci1002,98e4.rom'

 1590 08:44:25.708854  CBFS: Found @ offset 92c00 size fe00

 1591 08:44:25.712489  Mapping PCI device 100298e4 to 100298e0

 1592 08:44:25.715339  In CBFS, ROM address for PCI: 00:01.0 = ffe82c48

 1593 08:44:25.722198  PCI expansion ROM, signature 0xaa55, INIT size 0xfe00, data ptr 0x01c0

 1594 08:44:25.725464  PCI ROM image, vendor ID 1002, device ID 98e0,

 1595 08:44:25.732519  PCI ROM image, Class Code 030000, Code Type 00

 1596 08:44:25.733106  ACPI:    * VFCT at cde32e10

 1597 08:44:25.738689             Copying initialized VBIOS image from 000c0000

 1598 08:44:25.742118  ACPI: added table 6/32, length now 60

 1599 08:44:25.742676  ACPI:    * HPET

 1600 08:44:25.745539  ACPI: added table 7/32, length now 64

 1601 08:44:25.748820  ACPI: added table 8/32, length now 68

 1602 08:44:25.752428  ACPI:    * IVRS at cde42e90

 1603 08:44:25.755343    AGESA IVRS table NULL. Skipping.

 1604 08:44:25.759378  ACPI:    * SRAT at cde42e90

 1605 08:44:25.762273    AGESA SRAT table NULL. Skipping.

 1606 08:44:25.765976  ACPI:   * SLIT at cde42e90

 1607 08:44:25.766441    AGESA SLIT table NULL. Skipping.

 1608 08:44:25.768704  ACPI:  * AGESA ALIB SSDT at cde42e90

 1609 08:44:25.775196  ACPI: added table 9/32, length now 72

 1610 08:44:25.775823  ACPI:    * SSDT at cde479f0

 1611 08:44:25.779015  ACPI: added table 10/32, length now 76

 1612 08:44:25.781809  ACPI:    * SSDT for PState at cde47e2c

 1613 08:44:25.785173  ACPI: done.

 1614 08:44:25.785742  ACPI tables: 106032 bytes.

 1615 08:44:25.788259  smbios_write_tables: cdd0d000

 1616 08:44:25.792084  Create SMBIOS type 17

 1617 08:44:25.794843  SMBIOS tables: 545 bytes.

 1618 08:44:25.798781  Writing table forward entry at 0x00000500

 1619 08:44:25.802163  Wrote coreboot table at: 00000500, 0x10 bytes, checksum 11f9

 1620 08:44:25.805648  Writing coreboot table at 0xcde52000

 1621 08:44:25.812130   0. 0000000000000000-0000000000000fff: CONFIGURATION TABLES

 1622 08:44:25.815530   1. 0000000000001000-000000000009ffff: RAM

 1623 08:44:25.818888   2. 00000000000a0000-00000000000fffff: RESERVED

 1624 08:44:25.825569   3. 0000000000100000-00000000cdd0cfff: RAM

 1625 08:44:25.828886   4. 00000000cdd0d000-00000000cde9efff: CONFIGURATION TABLES

 1626 08:44:25.831832   5. 00000000cde9f000-00000000cdfa0fff: RAMSTAGE

 1627 08:44:25.838562   6. 00000000cdfa1000-00000000cdffffff: CONFIGURATION TABLES

 1628 08:44:25.842117   7. 00000000ce000000-00000000cfffffff: RESERVED

 1629 08:44:25.848370   8. 00000000f8000000-00000000fbffffff: RESERVED

 1630 08:44:25.851363   9. 0000000100000000-000000012effffff: RAM

 1631 08:44:25.855145  Passing 5 GPIOs to payload:

 1632 08:44:25.858074              NAME |       PORT | POLARITY |     VALUE

 1633 08:44:25.861322     write protect |  undefined |     high |       low

 1634 08:44:25.868208          recovery |  undefined |     high |       low

 1635 08:44:25.871759               lid |  undefined |     high |      high

 1636 08:44:25.878536             power |  undefined |     high |       low

 1637 08:44:25.881435          EC in RW | 0x0000000f |     high |       low

 1638 08:44:25.881914  Board ID: 6

 1639 08:44:25.885530  SKU ID: 33

 1640 08:44:25.888059  CBFS: 'Master Header Locator' located CBFS at [df0000:ffffc0)

 1641 08:44:25.895008  Wrote coreboot table at: cde52000, 0x538 bytes, checksum 69c4

 1642 08:44:25.898227  coreboot table: 1360 bytes.

 1643 08:44:25.901638  IMD ROOT    0. cdfff000 00001000

 1644 08:44:25.905079  IMD SMALL   1. cdffe000 00001000

 1645 08:44:25.905661  CONSOLE     2. cdfde000 00020000

 1646 08:44:25.908604  TIME STAMP  3. cdfdd000 00000910

 1647 08:44:25.911563  VBOOT       4. cdfdc000 00000c0c

 1648 08:44:25.914989  ACPISCRATCH 5. cdfac000 00030000

 1649 08:44:25.918743  ROMSTG STCK 6. cdfab000 00000400

 1650 08:44:25.921566  AFTER CAR   7. cdfa1000 0000a000

 1651 08:44:25.924988  RAMSTAGE    8. cde9e000 00103000

 1652 08:44:25.928310  REFCODE     9. cde6c000 00032000

 1653 08:44:25.932042  ACPI GNVS  10. cde6b000 00001000

 1654 08:44:25.934946  SMM BACKUP 11. cde5b000 00010000

 1655 08:44:25.935526  MRC DATA   12. cde5a000 00000e75

 1656 08:44:25.938100  COREBOOT   13. cde52000 00008000

 1657 08:44:25.942190  ACPI       14. cde2e000 00024000

 1658 08:44:25.945485  RAMOOPS    15. cdd2e000 00100000

 1659 08:44:25.948058  VGA ROM #0 16. cdd1e000 0000fe00

 1660 08:44:25.951411  TCPA TCGLOG17. cdd0e000 00010000

 1661 08:44:25.954778  SMBIOS     18. cdd0d000 00000800

 1662 08:44:25.955282  IMD small region:

 1663 08:44:25.958174    IMD ROOT    0. cdffec00 00000400

 1664 08:44:25.961698    VBOOT SEL   1. cdffebe0 00000008

 1665 08:44:25.964930    EC HOSTEVENT 2. cdffebc0 00000008

 1666 08:44:25.969402    ROMSTAGE    3. cdffeba0 00000004

 1667 08:44:25.971392    VPD         4. cdffeb20 0000006c

 1668 08:44:25.974788    POWER STATE 5. cdffeb00 00000010

 1669 08:44:25.978041    MEM INFO    6. cdffe9a0 00000149

 1670 08:44:25.981915    COREBOOTFWD 7. cdffe960 00000028

 1671 08:44:25.988163  BS: BS_WRITE_TABLES times (us): entry 2 run 438396 exit 0

 1672 08:44:25.988852  POST: 0x7a

 1673 08:44:25.995007  CBFS: 'Master Header Locator' located CBFS at [df0000:ffffc0)

 1674 08:44:25.998194  CBFS: Locating 'fallback/payload'

 1675 08:44:26.001652  CBFS: Found @ offset 1ae180 size 39f90

 1676 08:44:26.005218  Loading segment from ROM address 0xfff9e1b8

 1677 08:44:26.008169    code (compression=0)

 1678 08:44:26.014796    New segment dstaddr 0x30104020 memsize 0x254890 srcaddr 0xfff9e1f0 filesize 0x39f58

 1679 08:44:26.018013  Loading segment from ROM address 0xfff9e1d4

 1680 08:44:26.021528    Entry Point 0x30104020

 1681 08:44:26.028189  Loading Segment: addr: 0x0000000030104020 memsz: 0x0000000000254890 filesz: 0x0000000000039f58

 1682 08:44:26.031489  lb: [0x00000000cde9f000, 0x00000000cdfa09d8)

 1683 08:44:26.041712  Post relocation: addr: 0x0000000030104020 memsz: 0x0000000000254890 filesz: 0x0000000000039f58

 1684 08:44:26.042323  it's not compressed!

 1685 08:44:26.067788  [ 0x30104020, 3013df78, 0x303588b0) <- fff9e1f0

 1686 08:44:26.074798  Clearing Segment: addr: 0x000000003013df78 memsz: 0x000000000021a938

 1687 08:44:26.078136  dest 30104020, end 303588b0, bouncebuffer ffffffff

 1688 08:44:26.081142  Loaded segments

 1689 08:44:26.081652  Lock SMM configuration

 1690 08:44:26.084592  POST: 0xfe

 1691 08:44:26.087792  BS: BS_PAYLOAD_LOAD times (us): entry 230 run 92761 exit 3310

 1692 08:44:26.091489  PSP: Notify that POST is finishing... OK

 1693 08:44:26.094634  POST: 0x7b

 1694 08:44:26.098146  mp_park_aps done after 0 msecs.

 1695 08:44:26.101807  Jumping to boot code at 30104020(cde52000)

 1696 08:44:26.102430  POST: 0xf8

 1697 08:44:26.108566  CPU0: stack: cdeda000 - cdedb000, lowest used address cdeda558, stack used: 2728 bytes

 1698 08:44:26.113904  

 1699 08:44:26.114498  

 1700 08:44:26.114864  

 1701 08:44:26.115203  Starting depthcharge on grunt...

 1702 08:44:26.116181  end: 2.2.3 depthcharge-start (duration 00:00:06) [common]
 1703 08:44:26.116781  start: 2.2.4 bootloader-commands (timeout 00:04:48) [common]
 1704 08:44:26.117222  Setting prompt string to ['grunt:']
 1705 08:44:26.117655  bootloader-commands: Wait for prompt ['grunt:'] (timeout 00:04:48)
 1706 08:44:26.118393  

 1707 08:44:26.120668  WARNING: can't convert coreboot GPIOs, 'lid' won't be resampled at runtime!

 1708 08:44:26.124059  

 1709 08:44:26.130707  WARNING: can't convert coreboot GPIOs, 'power' won't be resampled at runtime!

 1710 08:44:26.131278  

 1711 08:44:26.133987  The GBB signature is at 0x30004020 and is:  24 47 42 42

 1712 08:44:26.137734  

 1713 08:44:26.141285  [firmware-grunt-11031.B-collabora] Dec 11 2020 09:59:28

 1714 08:44:26.141914  

 1715 08:44:26.142321  

 1716 08:44:26.142660  

 1717 08:44:26.143453  Setting prompt string to ['grunt:', 'Tftp failed.', 'Dhcp release failed.', 'No space left for ramdisk', 'TFTP failed for ramdisk.', 'Dhcp release failed.', 'Out of space adding TFTP server IP to the command line.', 'No network device.', 'Error code \\d+( \\([\\w\\s]+\\))?\\r\\n', '(Bulk read error(.*)){3}']
 1719 08:44:26.244704  grunt: tftpboot 192.168.201.1 12894244/tftp-deploy-oul8w8zy/kernel/bzImage 12894244/tftp-deploy-oul8w8zy/kernel/cmdline 12894244/tftp-deploy-oul8w8zy/ramdisk/ramdisk.cpio.gz

 1720 08:44:26.245384  Setting prompt string to ['Starting kernel', 'Tftp failed.', 'Dhcp release failed.', 'No space left for ramdisk', 'TFTP failed for ramdisk.', 'Dhcp release failed.', 'Out of space adding TFTP server IP to the command line.', 'No network device.', 'Error code \\d+( \\([\\w\\s]+\\))?\\r\\n', '(Bulk read error(.*)){3}']
 1721 08:44:26.245815  bootloader-commands: Wait for prompt ['Starting kernel', 'Tftp failed.', 'Dhcp release failed.', 'No space left for ramdisk', 'TFTP failed for ramdisk.', 'Dhcp release failed.', 'Out of space adding TFTP server IP to the command line.', 'No network device.', 'Error code \\d+( \\([\\w\\s]+\\))?\\r\\n', '(Bulk read error(.*)){3}'] (timeout 00:04:48)
 1722 08:44:26.250443  tftpboot 192.168.201.1 12894244/tftp-deploy-oul8w8zy/kernel/bzImage 8zy/kernel/cmdline 12894244/tftp-deploy-oul8w8zy/ramdisk/ramdisk.cpio.gz

 1723 08:44:26.250928  

 1724 08:44:26.251286  Waiting for link

 1725 08:44:26.455087  

 1726 08:44:26.455628  R8152: Initializing

 1727 08:44:26.456045  

 1728 08:44:26.458371  Version 9 (ocp_data = 6010)

 1729 08:44:26.489359  

 1730 08:44:26.489912  R8152: Done initializing

 1731 08:44:26.490340  

 1732 08:44:26.492546  Adding net device

 1733 08:44:26.694861  

 1734 08:44:26.695421  done.

 1735 08:44:26.695781  

 1736 08:44:26.696113  MAC: 00:e0:4c:75:03:5c

 1737 08:44:26.696434  

 1738 08:44:26.697983  Sending DHCP discover... done.

 1739 08:44:26.698444  

 1740 08:44:26.701252  Waiting for reply... done.

 1741 08:44:26.702112  

 1742 08:44:26.704929  Sending DHCP request... done.

 1743 08:44:26.705432  

 1744 08:44:26.708551  Waiting for reply... done.

 1745 08:44:26.709110  

 1746 08:44:26.709501  My ip is 192.168.201.12

 1747 08:44:26.709854  

 1748 08:44:26.711260  The DHCP server ip is 192.168.201.1

 1749 08:44:26.711769  

 1750 08:44:26.714572  TFTP server IP predefined by user: 192.168.201.1

 1751 08:44:26.717868  

 1752 08:44:26.721316  Bootfile predefined by user: 12894244/tftp-deploy-oul8w8zy/kernel/bzImage

 1753 08:44:26.721908  

 1754 08:44:26.724202  Sending tftp read request... done.

 1755 08:44:26.724661  

 1756 08:44:26.732015  Waiting for the transfer... 

 1757 08:44:26.732512  

 1758 08:44:27.127634  00000000 ################################################################

 1759 08:44:27.128156  

 1760 08:44:27.528708  00080000 ################################################################

 1761 08:44:27.529233  

 1762 08:44:27.901902  00100000 ################################################################

 1763 08:44:27.902457  

 1764 08:44:28.279823  00180000 ################################################################

 1765 08:44:28.280423  

 1766 08:44:28.647210  00200000 ################################################################

 1767 08:44:28.647708  

 1768 08:44:29.027968  00280000 ################################################################

 1769 08:44:29.028489  

 1770 08:44:29.433729  00300000 ################################################################

 1771 08:44:29.434306  

 1772 08:44:29.832988  00380000 ################################################################

 1773 08:44:29.833616  

 1774 08:44:30.160461  00400000 ################################################################

 1775 08:44:30.160604  

 1776 08:44:30.428340  00480000 ################################################################

 1777 08:44:30.428472  

 1778 08:44:30.681351  00500000 ################################################################

 1779 08:44:30.681491  

 1780 08:44:30.951121  00580000 ################################################################

 1781 08:44:30.951272  

 1782 08:44:31.227930  00600000 ################################################################

 1783 08:44:31.228061  

 1784 08:44:31.497437  00680000 ################################################################

 1785 08:44:31.497561  

 1786 08:44:31.768851  00700000 ################################################################

 1787 08:44:31.769078  

 1788 08:44:32.061811  00780000 ################################################################

 1789 08:44:32.061967  

 1790 08:44:32.356710  00800000 ################################################################

 1791 08:44:32.356839  

 1792 08:44:32.652260  00880000 ################################################################

 1793 08:44:32.652386  

 1794 08:44:32.944606  00900000 ################################################################

 1795 08:44:32.944747  

 1796 08:44:33.229909  00980000 ################################################################

 1797 08:44:33.230102  

 1798 08:44:33.482254  00a00000 ################################################################

 1799 08:44:33.482379  

 1800 08:44:33.732589  00a80000 ################################################################

 1801 08:44:33.732714  

 1802 08:44:33.984459  00b00000 ################################################################

 1803 08:44:33.984587  

 1804 08:44:34.237002  00b80000 ################################################################

 1805 08:44:34.237124  

 1806 08:44:34.489093  00c00000 ################################################################

 1807 08:44:34.489216  

 1808 08:44:34.740570  00c80000 ################################################################

 1809 08:44:34.740691  

 1810 08:44:34.992313  00d00000 ################################################################

 1811 08:44:34.992446  

 1812 08:44:35.244692  00d80000 ################################################################

 1813 08:44:35.244825  

 1814 08:44:35.496611  00e00000 ################################################################

 1815 08:44:35.496731  

 1816 08:44:35.771692  00e80000 ################################################################

 1817 08:44:35.771816  

 1818 08:44:36.034314  00f00000 ################################################################

 1819 08:44:36.034447  

 1820 08:44:36.286062  00f80000 ################################################################

 1821 08:44:36.286178  

 1822 08:44:36.575112  01000000 ################################################################

 1823 08:44:36.575238  

 1824 08:44:36.867749  01080000 ################################################################

 1825 08:44:36.867882  

 1826 08:44:36.991748  01100000 ############################ done.

 1827 08:44:36.991864  

 1828 08:44:36.994864  The bootfile was 18050656 bytes long.

 1829 08:44:36.994948  

 1830 08:44:36.998086  Sending tftp read request... done.

 1831 08:44:36.998176  

 1832 08:44:37.001508  Waiting for the transfer... 

 1833 08:44:37.001693  

 1834 08:44:37.281009  00000000 ################################################################

 1835 08:44:37.281151  

 1836 08:44:37.554421  00080000 ################################################################

 1837 08:44:37.554551  

 1838 08:44:37.805916  00100000 ################################################################

 1839 08:44:37.806083  

 1840 08:44:38.070549  00180000 ################################################################

 1841 08:44:38.070690  

 1842 08:44:38.320129  00200000 ################################################################

 1843 08:44:38.320258  

 1844 08:44:38.591283  00280000 ################################################################

 1845 08:44:38.591407  

 1846 08:44:38.856435  00300000 ################################################################

 1847 08:44:38.856566  

 1848 08:44:39.124730  00380000 ################################################################

 1849 08:44:39.124873  

 1850 08:44:39.379826  00400000 ################################################################

 1851 08:44:39.379951  

 1852 08:44:39.661771  00480000 ################################################################

 1853 08:44:39.661910  

 1854 08:44:39.957564  00500000 ################################################################

 1855 08:44:39.957699  

 1856 08:44:40.224326  00580000 ################################################################

 1857 08:44:40.224458  

 1858 08:44:40.496809  00600000 ################################################################

 1859 08:44:40.496956  

 1860 08:44:40.787038  00680000 ################################################################

 1861 08:44:40.787165  

 1862 08:44:41.066863  00700000 ################################################################

 1863 08:44:41.067015  

 1864 08:44:41.318745  00780000 ################################################################

 1865 08:44:41.318868  

 1866 08:44:41.577241  00800000 ################################################################

 1867 08:44:41.577358  

 1868 08:44:41.829464  00880000 ################################################################

 1869 08:44:41.829588  

 1870 08:44:42.104811  00900000 ################################################################

 1871 08:44:42.104949  

 1872 08:44:42.356518  00980000 ################################################################ done.

 1873 08:44:42.356654  

 1874 08:44:42.360306  Sending tftp read request... done.

 1875 08:44:42.360486  

 1876 08:44:42.360585  Waiting for the transfer... 

 1877 08:44:42.360668  

 1878 08:44:42.363647  00000000 # done.

 1879 08:44:42.363828  

 1880 08:44:42.370125  Command line loaded dynamically from TFTP file: 12894244/tftp-deploy-oul8w8zy/kernel/cmdline

 1881 08:44:42.370314  

 1882 08:44:42.396529  The command line is: earlyprintk=uart8250,mmio32,0xfedc6000,115200n8 console_msg_format=syslog earlycon deferred_probe_timeout=60 console=ttyS0,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/12894244/extract-nfsrootfs-imj71vpv,tcp,hard ip=dhcp tftpserverip=192.168.201.1

 1883 08:44:42.406991  

 1884 08:44:42.407390  Shutting down all USB controllers.

 1885 08:44:42.407643  

 1886 08:44:42.410469  Removing current net device

 1887 08:44:42.418589  

 1888 08:44:42.419153  Finalizing coreboot

 1889 08:44:42.419529  

 1890 08:44:42.419874  

 1891 08:44:42.420200  

 1892 08:44:42.425520  coreboot-56f9d1cd49 Thu Sep  5 21:57:06 UTC 2019 smm starting...

 1893 08:44:42.426124  

 1894 08:44:42.426494  SMI# #0

 1895 08:44:42.431677  Exiting depthcharge with code 4 at timestamp: 21766871

 1896 08:44:42.432146  

 1897 08:44:42.432510  

 1898 08:44:42.432850  Starting kernel ...

 1899 08:44:42.433177  

 1900 08:44:42.433491  

 1901 08:44:42.435017  end: 2.2.4 bootloader-commands (duration 00:00:16) [common]
 1902 08:44:42.435556  start: 2.2.5 auto-login-action (timeout 00:04:32) [common]
 1903 08:44:42.435971  Setting prompt string to ['Linux version [0-9]']
 1904 08:44:42.436338  Setting prompt string to ['Linux version [0-9]', 'Tftp failed.', 'Dhcp release failed.', 'No space left for ramdisk', 'TFTP failed for ramdisk.', 'Dhcp release failed.', 'Out of space adding TFTP server IP to the command line.', 'No network device.', 'Error code \\d+( \\([\\w\\s]+\\))?\\r\\n', '(Bulk read error(.*)){3}']
 1905 08:44:42.436709  auto-login-action: Wait for prompt ['Linux version [0-9]', 'Tftp failed.', 'Dhcp release failed.', 'No space left for ramdisk', 'TFTP failed for ramdisk.', 'Dhcp release failed.', 'Out of space adding TFTP server IP to the command line.', 'No network device.', 'Error code \\d+( \\([\\w\\s]+\\))?\\r\\n', '(Bulk read error(.*)){3}'] (timeout 00:05:00)
 1906 08:44:42.998206  

 1907 08:44:42.998364  

 1908 08:44:42.998437  

 1909 08:44:43.001493  coreboot-56f9d1cd49 Thu Sep  5 21:57:06 UTC 2019 smm starting...

 1910 08:44:43.001633  

 1911 08:44:43.005533  SMI# #0

 1912 08:44:43.008201  Chrome EC: Set SMI mask to 0x0000000000000000

 1913 08:44:43.011565  Chrome EC: UHEPI supported

 1914 08:44:43.015087  Clearing pending EC events. Error code 1 is expected.

 1915 08:44:43.018217  EC returned error result code 9

 1916 08:44:43.021765  Chrome EC: Set SCI mask to 0x00000000142609fb

 1917 08:44:43.971420  start: 2.2.5.1 login-action (timeout 00:04:31) [common]
 1918 08:44:43.972036  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.
 1919 08:44:43.972443  Setting prompt string to []
 1920 08:44:43.972855  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']
 1921 08:44:43.973250  Using line separator: #'\n'#
 1922 08:44:43.973583  No login prompt set.
 1923 08:44:43.973925  Parsing kernel messages
 1924 08:44:43.974279  ['-\\[ 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']
 1925 08:44:43.974844  [login-action] Waiting for messages, (timeout 00:04:31)
 1926 08:44:43.975203  Waiting using forced prompt support (timeout 00:02:15)
 1927 08:44:43.990453  <5>[    0.000000] Linux version 5.10.209-cip44 (KernelCI@build-j124484-x86-64-gcc-10-x86-64-defconfig-x86-board-qwv4n) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Thu Feb 29 08:18:41 UTC 2024

 1928 08:44:44.016869  <6>[    0.000000] Command line: earlyprintk=uart8250,mmio32,0xfedc6000,115200n8 console_msg_format=syslog earlycon deferred_probe_timeout=60 console=ttyS0,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/12894244/extract-nfsrootfs-imj71vpv,tcp,hard ip=dhcp tftpserverip=192.168.201.1

 1929 08:44:44.020377  <6>[    0.000000] BIOS-provided physical RAM map:

 1930 08:44:44.027184  <6>[    0.000000] BIOS-e820: [mem 0x0000000000000000-0x0000000000000fff] type 16

 1931 08:44:44.033495  <6>[    0.000000] BIOS-e820: [mem 0x0000000000001000-0x000000000009ffff] usable

 1932 08:44:44.043526  <6>[    0.000000] BIOS-e820: [mem 0x00000000000a0000-0x00000000000fffff] reserved

 1933 08:44:44.050572  <6>[    0.000000] BIOS-e820: [mem 0x0000000000100000-0x00000000cdd0cfff] usable

 1934 08:44:44.057137  <6>[    0.000000] BIOS-e820: [mem 0x00000000cdd0d000-0x00000000cdffffff] type 16

 1935 08:44:44.063335  <6>[    0.000000] BIOS-e820: [mem 0x00000000ce000000-0x00000000cfffffff] reserved

 1936 08:44:44.070325  <6>[    0.000000] BIOS-e820: [mem 0x00000000f8000000-0x00000000fbffffff] reserved

 1937 08:44:44.076840  <6>[    0.000000] BIOS-e820: [mem 0x0000000100000000-0x000000012effffff] usable

 1938 08:44:44.083105  <6>[    0.000000] NX (Execute Disable) protection: active

 1939 08:44:44.086833  <6>[    0.000000] SMBIOS 2.7 present.

 1940 08:44:44.093497  <6>[    0.000000] DMI: Google Grunt/Grunt, BIOS  09/05/2019

 1941 08:44:44.096555  <6>[    0.000000] tsc: Fast TSC calibration using PIT

 1942 08:44:44.103211  <6>[    0.000000] tsc: Detected 1597.044 MHz processor

 1943 08:44:44.106594  <6>[    0.001258] last_pfn = 0x12f000 max_arch_pfn = 0x400000000

 1944 08:44:44.113043  <6>[    0.001751] x86/PAT: Configuration [0-7]: WB  WC  UC- UC  WB  WP  UC- WT  

 1945 08:44:44.119647  <6>[    0.003291] last_pfn = 0xcdd0d max_arch_pfn = 0x400000000

 1946 08:44:44.126766  <6>[    0.009833] check: Scanning 1 areas for low memory corruption

 1947 08:44:44.129742  <6>[    0.009844] Using GB pages for direct mapping

 1948 08:44:44.136502  <6>[    0.010178] RAMDISK: [mem 0x37600000-0x37ffffff]

 1949 08:44:44.142857  <6>[    0.010184] ACPI: Early table checksum verification disabled

 1950 08:44:44.146609  <6>[    0.010191] ACPI: RSDP 0x00000000000F0000 000024 (v02 COREv4)

 1951 08:44:44.156280  <6>[    0.010201] ACPI: XSDT 0x00000000CDE2E0E0 000074 (v01 COREv4 COREBOOT 00000000 CORE 00000000)

 1952 08:44:44.166461  <6>[    0.010213] ACPI: FACP 0x00000000CDE31E60 0000F4 (v04 COREv4 COREBOOT 00000000 CORE 00000000)

 1953 08:44:44.172991  <6>[    0.010224] ACPI: DSDT 0x00000000CDE2E280 003BE0 (v02 COREv4 COREBOOT 00010001 INTL 20180531)

 1954 08:44:44.180027  <6>[    0.010233] ACPI: FACS 0x00000000CDE2E240 000040

 1955 08:44:44.186359  <6>[    0.010240] ACPI: SSDT 0x00000000CDE31F60 000DB5 (v02 COREv4 COREBOOT 0000002A CORE 0000002A)

 1956 08:44:44.196825  <6>[    0.010249] ACPI: MCFG 0x00000000CDE32D20 00003C (v01 COREv4 COREBOOT 00000000 CORE 00000000)

 1957 08:44:44.206056  <6>[    0.010256] ACPI: TCPA 0x00000000CDE32D60 000032 (v02 COREv4 COREBOOT 00000000 CORE 00000000)

 1958 08:44:44.213002  <6>[    0.010264] ACPI: APIC 0x00000000CDE32DA0 00006E (v02 COREv4 COREBOOT 00000000 CORE 00000000)

 1959 08:44:44.222310  <6>[    0.010272] ACPI: VFCT 0x00000000CDE32E10 00FE69 (v01 COREv4 COREBOOT 00000000 CORE 00000000)

 1960 08:44:44.232100  <6>[    0.010279] ACPI: HPET 0x00000000CDE42C80 000038 (v01 COREv4 COREBOOT 00000000 CORE 00000000)

 1961 08:44:44.238698  <6>[    0.010287] ACPI: HEST 0x00000000CDE42CC0 0001D0 (v01 COREv4 COREBOOT 00000000 CORE 00000000)

 1962 08:44:44.248974  <6>[    0.010294] ACPI: SSDT 0x00000000CDE42E90 004B5B (v02 AMD    AGESA    00000002 MSFT 04000000)

 1963 08:44:44.259266  <6>[    0.010302] ACPI: SSDT 0x00000000CDE479F0 00043C (v01 AMD    AGESA    00000001 AMD  00000001)

 1964 08:44:44.265773  <6>[    0.010310] ACPI: Reserving FACP table memory at [mem 0xcde31e60-0xcde31f53]

 1965 08:44:44.271931  <6>[    0.010313] ACPI: Reserving DSDT table memory at [mem 0xcde2e280-0xcde31e5f]

 1966 08:44:44.278918  <6>[    0.010317] ACPI: Reserving FACS table memory at [mem 0xcde2e240-0xcde2e27f]

 1967 08:44:44.288745  <6>[    0.010320] ACPI: Reserving SSDT table memory at [mem 0xcde31f60-0xcde32d14]

 1968 08:44:44.295250  <6>[    0.010323] ACPI: Reserving MCFG table memory at [mem 0xcde32d20-0xcde32d5b]

 1969 08:44:44.302061  <6>[    0.010326] ACPI: Reserving TCPA table memory at [mem 0xcde32d60-0xcde32d91]

 1970 08:44:44.308405  <6>[    0.010330] ACPI: Reserving APIC table memory at [mem 0xcde32da0-0xcde32e0d]

 1971 08:44:44.314911  <6>[    0.010333] ACPI: Reserving VFCT table memory at [mem 0xcde32e10-0xcde42c78]

 1972 08:44:44.324806  <6>[    0.010336] ACPI: Reserving HPET table memory at [mem 0xcde42c80-0xcde42cb7]

 1973 08:44:44.331362  <6>[    0.010339] ACPI: Reserving HEST table memory at [mem 0xcde42cc0-0xcde42e8f]

 1974 08:44:44.338269  <6>[    0.010342] ACPI: Reserving SSDT table memory at [mem 0xcde42e90-0xcde479ea]

 1975 08:44:44.345063  <6>[    0.010345] ACPI: Reserving SSDT table memory at [mem 0xcde479f0-0xcde47e2b]

 1976 08:44:44.348587  <6>[    0.010410] No NUMA configuration found

 1977 08:44:44.358142  <6>[    0.010414] Faking a node at [mem 0x0000000000000000-0x000000012effffff]

 1978 08:44:44.361975  <6>[    0.010421] NODE_DATA(0) allocated [mem 0x12effa000-0x12effdfff]

 1979 08:44:44.365043  <6>[    0.010457] Zone ranges:

 1980 08:44:44.371190  <6>[    0.010461]   DMA      [mem 0x0000000000001000-0x0000000000ffffff]

 1981 08:44:44.378008  <6>[    0.010466]   DMA32    [mem 0x0000000001000000-0x00000000ffffffff]

 1982 08:44:44.384705  <6>[    0.010471]   Normal   [mem 0x0000000100000000-0x000000012effffff]

 1983 08:44:44.387504  <6>[    0.010475] Movable zone start for each node

 1984 08:44:44.394547  <6>[    0.010478] Early memory node ranges

 1985 08:44:44.401386  <6>[    0.010481]   node   0: [mem 0x0000000000001000-0x000000000009ffff]

 1986 08:44:44.407399  <6>[    0.010485]   node   0: [mem 0x0000000000100000-0x00000000cdd0cfff]

 1987 08:44:44.414156  <6>[    0.010488]   node   0: [mem 0x0000000100000000-0x000000012effffff]

 1988 08:44:44.421256  <6>[    0.010493] Initmem setup node 0 [mem 0x0000000000001000-0x000000012effffff]

 1989 08:44:44.427437  <6>[    0.010517] On node 0, zone DMA: 1 pages in unavailable ranges

 1990 08:44:44.430815  <6>[    0.010554] On node 0, zone DMA: 96 pages in unavailable ranges

 1991 08:44:44.437697  <6>[    0.026410] On node 0, zone Normal: 8947 pages in unavailable ranges

 1992 08:44:44.444512  <6>[    0.026482] On node 0, zone Normal: 4096 pages in unavailable ranges

 1993 08:44:44.450894  <6>[    0.026548] ACPI: PM-Timer IO Port: 0x418

 1994 08:44:44.457461  <6>[    0.026561] ACPI: LAPIC_NMI (acpi_id[0xff] high edge lint[0x1])

 1995 08:44:44.463836  <6>[    0.026581] IOAPIC[0]: apic_id 4, version 33, address 0xfec00000, GSI 0-23

 1996 08:44:44.470657  <6>[    0.026592] IOAPIC[1]: apic_id 5, version 33, address 0xfec20000, GSI 24-55

 1997 08:44:44.477362  <6>[    0.026597] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl)

 1998 08:44:44.483769  <6>[    0.026601] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 low level)

 1999 08:44:44.490540  <6>[    0.026611] Using ACPI (MADT) for SMP configuration information

 2000 08:44:44.493673  <6>[    0.026615] ACPI: HPET id: 0x10228201 base: 0xfed00000

 2001 08:44:44.500648  <6>[    0.026623] smpboot: Allowing 2 CPUs, 0 hotplug CPUs

 2002 08:44:44.506438  <6>[    0.026644] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff]

 2003 08:44:44.517140  <6>[    0.026649] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000fffff]

 2004 08:44:44.523413  <6>[    0.026653] PM: hibernation: Registered nosave memory: [mem 0xcdd0d000-0xcdffffff]

 2005 08:44:44.533123  <6>[    0.026656] PM: hibernation: Registered nosave memory: [mem 0xce000000-0xcfffffff]

 2006 08:44:44.540225  <6>[    0.026659] PM: hibernation: Registered nosave memory: [mem 0xd0000000-0xf7ffffff]

 2007 08:44:44.546381  <6>[    0.026662] PM: hibernation: Registered nosave memory: [mem 0xf8000000-0xfbffffff]

 2008 08:44:44.556341  <6>[    0.026665] PM: hibernation: Registered nosave memory: [mem 0xfc000000-0xffffffff]

 2009 08:44:44.563102  <6>[    0.026671] [mem 0xd0000000-0xf7ffffff] available for PCI devices

 2010 08:44:44.572960  <6>[    0.026677] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns

 2011 08:44:44.579818  <6>[    0.036070] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:2 nr_node_ids:1

 2012 08:44:44.586626  <6>[    0.036619] percpu: Embedded 59 pages/cpu s200848 r8192 d32624 u1048576

 2013 08:44:44.593214  <6>[    0.036687] Built 1 zonelists, mobility grouping on.  Total pages: 1019233

 2014 08:44:44.596099  <6>[    0.036692] Policy zone: Normal

 2015 08:44:44.626205  <5>[    0.036705] Kernel command line: earlyprintk=uart8250,mmio32,0xfedc6000,115200n8 console_msg_format=syslog earlycon deferred_probe_timeout=60 console=ttyS0,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/12894244/extract-nfsrootfs-imj71vpv,tcp,hard ip=dhcp tftpserverip=192.168.201.1

 2016 08:44:44.632389  <6>[    0.037807] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear)

 2017 08:44:44.642607  <6>[    0.038292] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear)

 2018 08:44:44.649142  <6>[    0.038321] mem auto-init: stack:off, heap alloc:off, heap free:off

 2019 08:44:44.662646  <6>[    0.072877] Memory: 3927424K/4141744K available (22546K kernel code, 3700K rwdata, 13616K rodata, 2164K init, 14004K bss, 214060K reserved, 0K cma-reserved)

 2020 08:44:44.668950  <6>[    0.072991] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=1

 2021 08:44:44.676010  <6>[    0.073072] ftrace: allocating 61525 entries in 241 pages

 2022 08:44:44.678874  <6>[    0.130047] ftrace: allocated 241 pages with 5 groups

 2023 08:44:44.682769  <6>[    0.130296] Running RCU self tests

 2024 08:44:44.688869  <6>[    0.130307] rcu: Hierarchical RCU implementation.

 2025 08:44:44.692004  <6>[    0.130310] rcu: 	RCU event tracing is enabled.

 2026 08:44:44.699284  <6>[    0.130313] rcu: 	RCU lockdep checking is enabled.

 2027 08:44:44.705836  <6>[    0.130316] rcu: 	RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=2.

 2028 08:44:44.708690  <6>[    0.130320] 	Rude variant of Tasks RCU enabled.

 2029 08:44:44.715873  <6>[    0.130323] 	Tracing variant of Tasks RCU enabled.

 2030 08:44:44.722454  <6>[    0.130326] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies.

 2031 08:44:44.728346  <6>[    0.130330] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2

 2032 08:44:44.735770  <6>[    0.137190] NR_IRQS: 4352, nr_irqs: 512, preallocated irqs: 16

 2033 08:44:44.738410  <5>[    0.137524] random: crng init done

 2034 08:44:44.745478  <6>[    0.137622] Console: colour dummy device 80x25

 2035 08:44:44.749100  <6>[    0.163640] printk: console [ttyS0] enabled

 2036 08:44:44.754956  <4>[    0.163794] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar

 2037 08:44:44.762279  <4>[    0.164063] ... MAX_LOCKDEP_SUBCLASSES:  8

 2038 08:44:44.765283  <4>[    0.164214] ... MAX_LOCK_DEPTH:          48

 2039 08:44:44.772023  <4>[    0.164367] ... MAX_LOCKDEP_KEYS:        8192

 2040 08:44:44.775808  <4>[    0.164525] ... CLASSHASH_SIZE:          4096

 2041 08:44:44.778860  <4>[    0.164684] ... MAX_LOCKDEP_ENTRIES:     32768

 2042 08:44:44.785834  <4>[    0.164846] ... MAX_LOCKDEP_CHAINS:      65536

 2043 08:44:44.788793  <4>[    0.165007] ... CHAINHASH_SIZE:          32768

 2044 08:44:44.795285  <4>[    0.165169]  memory used by lock dependency info: 6365 kB

 2045 08:44:44.798939  <4>[    0.165361]  memory used for stack traces: 4224 kB

 2046 08:44:44.805138  <4>[    0.165534]  per task-struct memory footprint: 1920 bytes

 2047 08:44:44.808354  <6>[    0.165779] ACPI: Core revision 20200925

 2048 08:44:44.818700  <6>[    0.166155] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 133484873504 ns

 2049 08:44:44.825271  <6>[    0.166520] APIC: Switch to symmetric I/O mode setup

 2050 08:44:44.831667  <6>[    0.167134] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=0 pin2=0

 2051 08:44:44.841502  <6>[    0.171510] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x17053c94f3f, max_idle_ns: 440795242901 ns

 2052 08:44:44.851105  <6>[    0.171894] Calibrating delay loop (skipped), value calculated using timer frequency.. 3194.08 BogoMIPS (lpj=1597044)

 2053 08:44:44.864617  <6>[    0.172273] BIOS may not properly restore RDRAND after suspend, hiding RDRAND via CPUID. Use rdrand=force to reenable.

 2054 08:44:44.868363  <6>[    0.172959] LVT offset 1 assigned for vector 0xf9

 2055 08:44:44.874211  <6>[    0.173139] Last level iTLB entries: 4KB 512, 2MB 1024, 4MB 512

 2056 08:44:44.881123  <6>[    0.173350] Last level dTLB entries: 4KB 1024, 2MB 1024, 4MB 512, 1GB 0

 2057 08:44:44.891134  <6>[    0.173587] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization

 2058 08:44:44.894442  <6>[    0.173883] Spectre V2 : Mitigation: Retpolines

 2059 08:44:44.903905  <6>[    0.174048] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch

 2060 08:44:44.911093  <6>[    0.174334] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB on VMEXIT

 2061 08:44:44.917597  <6>[    0.174569] Spectre V2 : Enabling Speculation Barrier for firmware calls

 2062 08:44:44.921194  <6>[    0.174881] RETBleed: Mitigation: untrained return thunk

 2063 08:44:44.931308  <6>[    0.175074] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier

 2064 08:44:44.940962  <6>[    0.175367] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl and seccomp

 2065 08:44:44.947198  <6>[    0.175711] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers'

 2066 08:44:44.954071  <6>[    0.175881] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers'

 2067 08:44:44.960909  <6>[    0.176105] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers'

 2068 08:44:44.967727  <6>[    0.176330] x86/fpu: xstate_offset[2]:  576, xstate_sizes[2]:  256

 2069 08:44:44.977183  <6>[    0.176549] x86/fpu: Enabled xstate features 0x7, context size is 832 bytes, using 'standard' format.

 2070 08:44:44.981436  Setting prompt string to ['-+\\[ end trace \\w* \\]-+[^\\n]*\\r', '/ #', 'Login timed out', 'Login incorrect']
 2071 08:44:44.983635  <4>[    0.185431] ------------[ cut here ]------------

 2072 08:44:44.994005  <4>[    0.185614] missing return thunk: lkdtm_rodata_do_nothing+0x0/0x10-lkdtm_rodata_do_nothing+0x5/0x10: e9 00 00 00 00

 2073 08:44:45.003374  <4>[    0.185626] WARNING: CPU: 0 PID: 0 at arch/x86/kernel/alternative.c:725 apply_returns+0x1f5/0x220

 2074 08:44:45.007367  <4>[    0.186185] Modules linked in:

 2075 08:44:45.013788  <4>[    0.186308] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.10.209-cip44 #1

 2076 08:44:45.020589  <4>[    0.186541] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 2077 08:44:45.023380  <4>[    0.186753] RIP: 0010:apply_returns+0x1f5/0x220

 2078 08:44:45.043001  <4>[    0.186882] Code: 87 02 00 0f 85 e1 fe ff ff 49 89 e8 b9 05 00 00 00 4c 89 f2 48 89 ee 48 c7 c7 d0 6a b1 93 c6 05 80 08 87 02 01 e8 25 4c 14 01 <0f> 0b e9 b9 fe ff ff 44 89 f9 c7 00 cc cc cc cc c7 44 08 fc cc cc

 2079 08:44:45.049931  <4>[    0.187512] RSP: 0000:ffffffff93e03e28 EFLAGS: 00010282

 2080 08:44:45.056328  <4>[    0.187701] RAX: 0000000000000000 RBX: ffffffff94a2133c RCX: 0000000000000000

 2081 08:44:45.062918  <4>[    0.187881] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff91977c51

 2082 08:44:45.069766  <4>[    0.188131] RBP: ffffffff937944c0 R08: 0000000000000001 R09: 0000000000000001

 2083 08:44:45.079525  <4>[    0.188381] R10: ffffffff93e8ff20 R11: 3fffffffffffffff R12: ffffffff94a39f78

 2084 08:44:45.086458  <4>[    0.188630] R13: cccccccccccccccc R14: ffffffff937944c5 R15: 0000000000000000

 2085 08:44:45.093067  <4>[    0.188881] FS:  0000000000000000(0000) GS:ffff947f2ac00000(0000) knlGS:0000000000000000

 2086 08:44:45.099885  <4>[    0.189162] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 2087 08:44:45.106124  <4>[    0.189367] CR2: ffff947f2efff000 CR3: 0000000048026000 CR4: 00000000001506f0

 2088 08:44:45.109220  <4>[    0.189616] Call Trace:

 2089 08:44:45.112847  <4>[    0.189887]  ? __warn+0x80/0x110

 2090 08:44:45.115556  <4>[    0.190012]  ? apply_returns+0x1f5/0x220

 2091 08:44:45.122432  <4>[    0.190161]  ? report_bug+0x9e/0xc0

 2092 08:44:45.125540  <4>[    0.190296]  ? handle_bug+0x41/0x90

 2093 08:44:45.128878  <4>[    0.190428]  ? exc_invalid_op+0x14/0x70

 2094 08:44:45.132485  <4>[    0.190572]  ? asm_exc_invalid_op+0x12/0x20

 2095 08:44:45.138888  <4>[    0.190735]  ? console_unlock+0x4d1/0x5f0

 2096 08:44:45.142095  <4>[    0.190882]  ? apply_returns+0x1f5/0x220

 2097 08:44:45.145610  <4>[    0.191030]  ? apply_returns+0x1f5/0x220

 2098 08:44:45.149426  <4>[    0.191177]  ? lock_acquire+0xbf/0x280

 2099 08:44:45.155533  <4>[    0.191329]  alternative_instructions+0x7d/0x143

 2100 08:44:45.159076  <4>[    0.191499]  arch_cpu_finalize_init+0x28/0x47

 2101 08:44:45.162216  <4>[    0.191660]  start_kernel+0x4a3/0x54d

 2102 08:44:45.168940  <4>[    0.191885]  secondary_startup_64_no_verify+0xc2/0xcb

 2103 08:44:45.172136  <4>[    0.192078] irq event stamp: 1475

 2104 08:44:45.182322  <4>[    0.192204] hardirqs last  enabled at (1483): [<ffffffff91977c51>] console_unlock+0x4d1/0x5f0

 2105 08:44:45.189314  <4>[    0.192500] hardirqs last disabled at (1490): [<ffffffff91977bc4>] console_unlock+0x444/0x5f0

 2106 08:44:45.198472  <4>[    0.192797] softirqs last  enabled at (1466): [<ffffffff91907cf1>] irq_enter_rcu+0x71/0x80

 2107 08:44:45.208824  <4>[    0.192882] softirqs last disabled at (1507): [<ffffffff91907cd6>] irq_enter_rcu+0x56/0x80

 2108 08:44:45.212229  <4>[    0.193171] ---[ end trace 2f8aaab59271feca ]---

 2109 08:44:45.213224  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', '/ #', 'Login timed out', 'Login incorrect']
 2110 08:44:45.213714  login-action: kernel 'warning'
 2111 08:44:45.214159  [login-action] Waiting for messages, (timeout 00:04:29)
 2112 08:44:45.214536  Waiting using forced prompt support (timeout 00:02:15)
 2113 08:44:45.215081  <6>[    0.197244] Freeing SMP alternatives memory: 48K

 2114 08:44:45.222418  <6>[    0.197418] pid_max: default: 32768 minimum: 301

 2115 08:44:45.225496  <6>[    0.197657] LSM: Security Framework initializing

 2116 08:44:45.231451  <6>[    0.197848] SELinux:  Initializing.

 2117 08:44:45.234948  <6>[    0.197918] LSM support for eBPF active

 2118 08:44:45.242124  <6>[    0.198088] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear)

 2119 08:44:45.248792  <6>[    0.198357] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear)

 2120 08:44:45.254820  <6>[    0.200099] smpboot: CPU 0 Converting physical 2 to logical die 0

 2121 08:44:45.268307  <6>[    0.302475] smpboot: CPU0: AMD A4-9120C RADEON R4, 5 COMPUTE CORES 2C+3G (family: 0x15, model: 0x70, stepping: 0x0)

 2122 08:44:45.274750  <6>[    0.302877] Performance Events: Fam15h core perfctr, AMD PMU driver.

 2123 08:44:45.278202  <6>[    0.302888] ... version:                0

 2124 08:44:45.281871  <6>[    0.303037] ... bit width:              48

 2125 08:44:45.288363  <6>[    0.303187] ... generic registers:      6

 2126 08:44:45.291344  <6>[    0.303335] ... value mask:             0000ffffffffffff

 2127 08:44:45.298120  <6>[    0.303525] ... max period:             00007fffffffffff

 2128 08:44:45.301315  <6>[    0.303715] ... fixed-purpose events:   0

 2129 08:44:45.307909  <6>[    0.303881] ... event mask:             000000000000003f

 2130 08:44:45.311394  <6>[    0.304344] rcu: Hierarchical SRCU implementation.

 2131 08:44:45.317990  <6>[    0.305792] smp: Bringing up secondary CPUs ...

 2132 08:44:45.321419  <6>[    0.306352] x86: Booting SMP configuration:

 2133 08:44:45.324554  <6>[    0.306522] .... node  #0, CPUs:      #1

 2134 08:44:45.331000  <6>[    0.308029] smp: Brought up 1 node, 2 CPUs

 2135 08:44:45.334762  <6>[    0.308254] smpboot: Max logical packages: 1

 2136 08:44:45.341170  <6>[    0.308411] smpboot: Total of 2 processors activated (6388.17 BogoMIPS)

 2137 08:44:45.344506  <6>[    0.310119] devtmpfs: initialized

 2138 08:44:45.350858  <6>[    0.310240] x86/mm: Memory block size: 128MB

 2139 08:44:45.360891  <6>[    0.313174] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns

 2140 08:44:45.367884  <6>[    0.313233] futex hash table entries: 512 (order: 4, 65536 bytes, linear)

 2141 08:44:45.371193  <6>[    0.314209] pinctrl core: initialized pinctrl subsystem

 2142 08:44:45.378002  <6>[    0.315121] PM: RTC time: 08:44:04, date: 2024-02-29

 2143 08:44:45.381508  <6>[    0.315744] NET: Registered protocol family 16

 2144 08:44:45.387641  <6>[    0.316363] audit: initializing netlink subsys (disabled)

 2145 08:44:45.397402  <5>[    0.316586] audit: type=2000 audit(1709196244.149:1): state=initialized audit_enabled=0 res=1

 2146 08:44:45.403772  <6>[    0.316586] thermal_sys: Registered thermal governor 'step_wise'

 2147 08:44:45.410500  <6>[    0.316586] thermal_sys: Registered thermal governor 'user_space'

 2148 08:44:45.414414  <6>[    0.316586] cpuidle: using governor menu

 2149 08:44:45.417501  <6>[    0.318107] ACPI: bus type PCI registered

 2150 08:44:45.427375  <6>[    0.318482] PCI: MMCONFIG for domain 0000 [bus 00-40] at [mem 0xf8000000-0xfc0fffff] (base 0xf8000000)

 2151 08:44:45.434149  <6>[    0.318808] PCI: MMCONFIG at [mem 0xf8000000-0xfc0fffff] reserved in E820

 2152 08:44:45.443766  <6>[    0.318883] PCI: MMCONFIG for 0000 [bus00-1f] at [mem 0xf8000000-0xf9ffffff] (base 0xf8000000) (size reduced!)

 2153 08:44:45.450600  <6>[    0.319253] PCI: Using configuration type 1 for base access

 2154 08:44:45.453904  <6>[    0.339711] Kprobes globally optimized

 2155 08:44:45.460954  <6>[    0.340986] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages

 2156 08:44:45.466871  <6>[    0.341140] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages

 2157 08:44:45.477192  <6>[    0.341929] cryptomgr_test (28) used greatest stack depth: 14880 bytes left

 2158 08:44:45.480647  <6>[    0.344115] ACPI: Added _OSI(Module Device)

 2159 08:44:45.483467  <6>[    0.344275] ACPI: Added _OSI(Processor Device)

 2160 08:44:45.490184  <6>[    0.344438] ACPI: Added _OSI(3.0 _SCP Extensions)

 2161 08:44:45.496655  <6>[    0.344610] ACPI: Added _OSI(Processor Aggregator Device)

 2162 08:44:45.500074  <6>[    0.344804] ACPI: Added _OSI(Linux-Dell-Video)

 2163 08:44:45.506688  <6>[    0.344896] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio)

 2164 08:44:45.509593  <6>[    0.345088] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics)

 2165 08:44:45.516609  <6>[    0.358859] ACPI: 4 ACPI AML tables successfully acquired and loaded

 2166 08:44:45.519910  <6>[    0.367877] ACPI: EC: EC started

 2167 08:44:45.526844  <6>[    0.367880] ACPI: EC: interrupt blocked

 2168 08:44:45.529891  <6>[    0.368402] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62

 2169 08:44:45.539619  <6>[    0.368588] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC used to handle transactions

 2170 08:44:45.542770  <6>[    0.368881] ACPI: Interpreter enabled

 2171 08:44:45.545921  <6>[    0.369072] ACPI: (supports S0 S1 S3 S4 S5)

 2172 08:44:45.553288  <6>[    0.369228] ACPI: Using IOAPIC for interrupt routing

 2173 08:44:45.562426  <6>[    0.369443] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug

 2174 08:44:45.566009  <6>[    0.370485] ACPI: Enabled 3 GPEs in block 00 to 1F

 2175 08:44:45.572733  <6>[    0.372769] ACPI: Power Resource [P0U2] (off)

 2176 08:44:45.576279  <6>[    0.373011] ACPI: Power Resource [P3U2] (off)

 2177 08:44:45.578775  <6>[    0.374564] ACPI: Power Resource [P0U3] (off)

 2178 08:44:45.586010  <6>[    0.374833] ACPI: Power Resource [P3U3] (off)

 2179 08:44:45.589390  <6>[    0.383032] ACPI: Power Resource [PRIC] (on)

 2180 08:44:45.592499  <6>[    0.409351] ACPI: Power Resource [PRIC] (on)

 2181 08:44:45.599335  <6>[    0.439796] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff])

 2182 08:44:45.608771  <6>[    0.439890] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3]

 2183 08:44:45.615792  <6>[    0.440377] acpi PNP0A08:00: _OSC: OS now controls [PME PCIeCapability LTR]

 2184 08:44:45.628608  <6>[    0.440670] acpi PNP0A08:00: [Firmware Info]: MMCONFIG for domain 0000 [bus 00-1f] only partially covers this bridge

 2185 08:44:45.638651  <6>[    0.440971] acpi PNP0A08:00: host bridge window expanded to [io  0x0000-0x0cf7 window]; [io  0x03b0-0x03df window] ignored

 2186 08:44:45.642327  <6>[    0.441505] PCI host bridge to bus 0000:00

 2187 08:44:45.648465  <6>[    0.441883] pci_bus 0000:00: root bus resource [io  0x0000-0x0cf7 window]

 2188 08:44:45.658658  <6>[    0.442123] pci_bus 0000:00: root bus resource [io  0x0d00-0xffff window]

 2189 08:44:45.665380  <6>[    0.442362] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff]

 2190 08:44:45.671793  <6>[    0.442604] pci_bus 0000:00: root bus resource [mem 0x000c0000-0x000dffff]

 2191 08:44:45.678478  <6>[    0.442882] pci_bus 0000:00: root bus resource [mem 0xd0000000-0xffffffff]

 2192 08:44:45.684920  <6>[    0.443125] pci_bus 0000:00: root bus resource [bus 00-ff]

 2193 08:44:45.691706  <6>[    0.443376] pci 0000:00:00.0: [1022:1576] type 00 class 0x060000

 2194 08:44:45.698390  <6>[    0.444185] pci 0000:00:01.0: [1002:98e4] type 00 class 0x030000

 2195 08:44:45.705666  <6>[    0.444415] pci 0000:00:01.0: reg 0x10: [mem 0xf0000000-0xf3ffffff 64bit pref]

 2196 08:44:45.711671  <6>[    0.444678] pci 0000:00:01.0: reg 0x18: [mem 0xf4000000-0xf47fffff 64bit pref]

 2197 08:44:45.717918  <6>[    0.444888] pci 0000:00:01.0: reg 0x20: [io  0x1000-0x10ff]

 2198 08:44:45.724608  <6>[    0.445094] pci 0000:00:01.0: reg 0x24: [mem 0xf4d00000-0xf4d3ffff]

 2199 08:44:45.730916  <6>[    0.445322] pci 0000:00:01.0: reg 0x30: [mem 0xf4d40000-0xf4d5ffff pref]

 2200 08:44:45.737711  <6>[    0.445564] pci 0000:00:01.0: enabling Extended Tags

 2201 08:44:45.740949  <6>[    0.445884] pci 0000:00:01.0: supports D1 D2

 2202 08:44:45.747976  <6>[    0.446042] pci 0000:00:01.0: PME# supported from D1 D2 D3hot

 2203 08:44:45.754105  <6>[    0.446564] pci 0000:00:01.1: [1002:15b3] type 00 class 0x040300

 2204 08:44:45.760829  <6>[    0.446794] pci 0000:00:01.1: reg 0x10: [mem 0xf4d80000-0xf4d83fff 64bit]

 2205 08:44:45.764785  <6>[    0.446915] pci 0000:00:01.1: enabling Extended Tags

 2206 08:44:45.770745  <6>[    0.447144] pci 0000:00:01.1: supports D1 D2

 2207 08:44:45.777277  <6>[    0.447506] pci 0000:00:02.0: [1022:157b] type 00 class 0x060000

 2208 08:44:45.784218  <6>[    0.448099] pci 0000:00:02.2: [1022:157c] type 01 class 0x060400

 2209 08:44:45.787504  <6>[    0.448358] pci 0000:00:02.2: enabling Extended Tags

 2210 08:44:45.793575  <6>[    0.448601] pci 0000:00:02.2: PME# supported from D0 D3hot D3cold

 2211 08:44:45.800428  <6>[    0.449131] pci 0000:00:02.4: [1022:157c] type 01 class 0x060400

 2212 08:44:45.807009  <6>[    0.449390] pci 0000:00:02.4: enabling Extended Tags

 2213 08:44:45.810327  <6>[    0.449632] pci 0000:00:02.4: PME# supported from D0 D3hot D3cold

 2214 08:44:45.817190  <6>[    0.450158] pci 0000:00:03.0: [1022:157b] type 00 class 0x060000

 2215 08:44:45.823511  <6>[    0.450600] pci 0000:00:08.0: [1022:1578] type 00 class 0x108000

 2216 08:44:45.830406  <6>[    0.450827] pci 0000:00:08.0: reg 0x10: [mem 0xf4d60000-0xf4d7ffff 64bit pref]

 2217 08:44:45.836862  <6>[    0.450887] pci 0000:00:08.0: reg 0x18: [mem 0xf4b00000-0xf4bfffff]

 2218 08:44:45.843710  <6>[    0.451115] pci 0000:00:08.0: reg 0x1c: [mem 0xf4d88000-0xf4d88fff]

 2219 08:44:45.849985  <6>[    0.451342] pci 0000:00:08.0: reg 0x20: [mem 0xf4c00000-0xf4cfffff]

 2220 08:44:45.856654  <6>[    0.451569] pci 0000:00:08.0: reg 0x24: [mem 0xf4d84000-0xf4d85fff]

 2221 08:44:45.863310  <6>[    0.452100] pci 0000:00:09.0: [1022:157d] type 00 class 0x060000

 2222 08:44:45.870015  <6>[    0.452558] pci 0000:00:10.0: [1022:7914] type 00 class 0x0c0330

 2223 08:44:45.876672  <6>[    0.452907] pci 0000:00:10.0: reg 0x10: [mem 0xf4d86000-0xf4d87fff 64bit]

 2224 08:44:45.883264  <6>[    0.453281] pci 0000:00:10.0: PME# supported from D0 D3hot D3cold

 2225 08:44:45.890292  <6>[    0.453837] pci 0000:00:12.0: [1022:7908] type 00 class 0x0c0320

 2226 08:44:45.896532  <6>[    0.453899] pci 0000:00:12.0: reg 0x10: [mem 0xf4d89000-0xf4d890ff]

 2227 08:44:45.900598  <6>[    0.454215] pci 0000:00:12.0: supports D1 D2

 2228 08:44:45.909635  <6>[    0.454372] pci 0000:00:12.0: PME# supported from D0 D1 D2 D3hot D3cold

 2229 08:44:45.912986  <6>[    0.455073] pci 0000:00:14.0: [1022:790b] type 00 class 0x0c0500

 2230 08:44:45.919835  <6>[    0.455609] pci 0000:00:14.3: [1022:790e] type 00 class 0x060100

 2231 08:44:45.926111  <6>[    0.456168] pci 0000:00:14.7: [1022:7906] type 00 class 0x080501

 2232 08:44:45.933368  <6>[    0.456404] pci 0000:00:14.7: reg 0x10: [mem 0xf4d8a000-0xf4d8a0ff 64bit]

 2233 08:44:45.939101  <6>[    0.456731] pci 0000:00:14.7: PME# supported from D3cold

 2234 08:44:45.946179  <6>[    0.457154] pci 0000:00:18.0: [1022:15b0] type 00 class 0x060000

 2235 08:44:45.953077  <6>[    0.457574] pci 0000:00:18.1: [1022:15b1] type 00 class 0x060000

 2236 08:44:45.959272  <6>[    0.458038] pci 0000:00:18.2: [1022:15b2] type 00 class 0x060000

 2237 08:44:45.965858  <6>[    0.458460] pci 0000:00:18.3: [1022:15b3] type 00 class 0x060000

 2238 08:44:45.969072  <6>[    0.458884] pci 0000:00:18.4: [1022:15b4] type 00 class 0x060000

 2239 08:44:45.975639  <6>[    0.459297] pci 0000:00:18.5: [1022:15b5] type 00 class 0x060000

 2240 08:44:45.982261  <6>[    0.459889] pci 0000:01:00.0: [168c:003e] type 00 class 0x028000

 2241 08:44:45.989394  <6>[    0.460189] pci 0000:01:00.0: reg 0x10: [mem 0xf4800000-0xf49fffff 64bit]

 2242 08:44:45.995900  <6>[    0.460706] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold

 2243 08:44:46.002487  <6>[    0.461323] pci 0000:00:02.2: PCI bridge to [bus 01]

 2244 08:44:46.009103  <6>[    0.461510] pci 0000:00:02.2:   bridge window [mem 0xf4800000-0xf49fffff]

 2245 08:44:46.015562  <6>[    0.461997] pci 0000:02:00.0: [1217:8620] type 00 class 0x080501

 2246 08:44:46.022534  <6>[    0.462314] pci 0000:02:00.0: reg 0x10: [mem 0xf4a00000-0xf4a00fff]

 2247 08:44:46.028653  <6>[    0.462631] pci 0000:02:00.0: reg 0x14: [mem 0xf4a01000-0xf4a017ff]

 2248 08:44:46.035313  <6>[    0.463030] pci 0000:02:00.0: PME# supported from D3hot D3cold

 2249 08:44:46.038730  <6>[    0.466123] pci 0000:00:02.4: PCI bridge to [bus 02]

 2250 08:44:46.045161  <6>[    0.466319] pci 0000:00:02.4:   bridge window [mem 0xf4a00000-0xf4afffff]

 2251 08:44:46.055069  <6>[    0.468361] ACPI: PCI Interrupt Link [INTA] (IRQs *3 4 5 7 10 11 12 15)

 2252 08:44:46.061623  <6>[    0.468744] ACPI: PCI Interrupt Link [INTB] (IRQs 3 *4 5 7 10 11 12 15)

 2253 08:44:46.068281  <6>[    0.468992] ACPI: PCI Interrupt Link [INTC] (IRQs 3 4 *5 7 10 11 12 15)

 2254 08:44:46.074906  <6>[    0.469349] ACPI: PCI Interrupt Link [INTD] (IRQs 3 4 5 *7 10 11 12 15)

 2255 08:44:46.081642  <6>[    0.469706] ACPI: PCI Interrupt Link [INTE] (IRQs 3 4 5 7 10 *11 12 15)

 2256 08:44:46.084786  <6>[    0.469990] ACPI: PCI Interrupt Link [INTF] (IRQs 9) *0

 2257 08:44:46.094661  <6>[    0.470291] ACPI: PCI Interrupt Link [INTG] (IRQs 3 4 5 7 10 11 12 15) *0

 2258 08:44:46.101587  <6>[    0.470654] ACPI: PCI Interrupt Link [INTH] (IRQs 3 4 5 7 10 11 12 15) *0

 2259 08:44:46.104284  <6>[    0.474770] ACPI: EC: interrupt unblocked

 2260 08:44:46.107753  <6>[    0.474881] ACPI: EC: event unblocked

 2261 08:44:46.114797  <6>[    0.475024] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62

 2262 08:44:46.117744  <6>[    0.475211] ACPI: EC: GPE=0x3

 2263 08:44:46.124329  <6>[    0.475329] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC initialization complete

 2264 08:44:46.130657  <6>[    0.475577] ACPI: \_SB_.PCI0.LPCB.EC0_: EC: Used to handle transactions and events

 2265 08:44:46.137565  <6>[    0.476188] iommu: Default domain type: Translated 

 2266 08:44:46.144466  <6>[    0.476219] pci 0000:00:01.0: vgaarb: setting as boot VGA device

 2267 08:44:46.151267  <6>[    0.476219] pci 0000:00:01.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none

 2268 08:44:46.157368  <6>[    0.476899] pci 0000:00:01.0: vgaarb: bridge control possible

 2269 08:44:46.160304  <6>[    0.477104] vgaarb: loaded

 2270 08:44:46.164403  <5>[    0.478057] SCSI subsystem initialized

 2271 08:44:46.170688  <6>[    0.478217] ACPI: bus type USB registered

 2272 08:44:46.173994  <6>[    0.478291] usbcore: registered new interface driver usbfs

 2273 08:44:46.181196  <6>[    0.478922] usbcore: registered new interface driver hub

 2274 08:44:46.187676  <6>[    0.479133] usbcore: registered new device driver usb

 2275 08:44:46.190623  <6>[    0.493957] mc: Linux media interface: v0.10

 2276 08:44:46.197347  <6>[    0.494142] videodev: Linux video capture interface: v2.00

 2277 08:44:46.200892  <6>[    0.494368] pps_core: LinuxPPS API ver. 1 registered

 2278 08:44:46.210662  <6>[    0.494882] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@linux.it>

 2279 08:44:46.214044  <6>[    0.495206] PTP clock support registered

 2280 08:44:46.220548  <6>[    0.495409] Advanced Linux Sound Architecture Driver Initialized.

 2281 08:44:46.223722  <6>[    0.495783] NetLabel: Initializing

 2282 08:44:46.230670  <6>[    0.496882] NetLabel:  domain hash size = 128

 2283 08:44:46.237548  <6>[    0.497041] NetLabel:  protocols = UNLABELED CIPSOv4 CALIPSO

 2284 08:44:46.240945  <6>[    0.497294] NetLabel:  unlabeled traffic allowed by default

 2285 08:44:46.247301  <6>[    0.497549] PCI: Using ACPI for IRQ routing

 2286 08:44:46.250114  <6>[    0.498295] hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0

 2287 08:44:46.256933  <6>[    0.498480] hpet0: 3 comparators, 32-bit 14.318180 MHz counter

 2288 08:44:46.263510  <6>[    0.501961] clocksource: Switched to clocksource tsc-early

 2289 08:44:46.266893  <5>[    0.817978] VFS: Disk quotas dquot_6.6.0

 2290 08:44:46.273638  <6>[    0.818169] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes)

 2291 08:44:46.276727  <6>[    0.818681] pnp: PnP ACPI init

 2292 08:44:46.283708  <6>[    0.819234] system 00:00: [mem 0xfec1000a-0xfec11009] has been reserved

 2293 08:44:46.290044  <6>[    0.819866] system 00:03: [io  0x0900-0x09fe] has been reserved

 2294 08:44:46.297106  <6>[    0.820230] system 00:04: [io  0x0200] has been reserved

 2295 08:44:46.303881  <6>[    0.820424] system 00:04: [io  0x0204] has been reserved

 2296 08:44:46.306645  <6>[    0.820617] system 00:04: [io  0x0800-0x087f] has been reserved

 2297 08:44:46.314087  <6>[    0.820829] system 00:04: [io  0x0880-0x08ff] has been reserved

 2298 08:44:46.320497  <6>[    0.822596] pnp: PnP ACPI: found 6 devices

 2299 08:44:46.326925  <6>[    0.832796] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns

 2300 08:44:46.333423  <6>[    0.833202] NET: Registered protocol family 2

 2301 08:44:46.340025  <6>[    0.833555] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear)

 2302 08:44:46.349932  <6>[    0.834824] tcp_listen_portaddr_hash hash table entries: 2048 (order: 5, 163840 bytes, linear)

 2303 08:44:46.356910  <6>[    0.835245] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear)

 2304 08:44:46.362801  <6>[    0.835760] TCP bind hash table entries: 32768 (order: 9, 2359296 bytes, linear)

 2305 08:44:46.373288  <6>[    0.837096] TCP: Hash tables configured (established 32768 bind 32768)

 2306 08:44:46.379786  <6>[    0.837728] MPTCP token hash table entries: 4096 (order: 6, 360448 bytes, linear)

 2307 08:44:46.386293  <6>[    0.838168] UDP hash table entries: 2048 (order: 6, 327680 bytes, linear)

 2308 08:44:46.393273  <6>[    0.838552] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes, linear)

 2309 08:44:46.399841  <6>[    0.839085] NET: Registered protocol family 1

 2310 08:44:46.402733  <6>[    0.839790] RPC: Registered named UNIX socket transport module.

 2311 08:44:46.409223  <6>[    0.840033] RPC: Registered udp transport module.

 2312 08:44:46.413071  <6>[    0.840205] RPC: Registered tcp transport module.

 2313 08:44:46.422621  <6>[    0.840376] RPC: Registered tcp NFSv4.1 backchannel transport module.

 2314 08:44:46.426527  <6>[    0.840962] NET: Registered protocol family 44

 2315 08:44:46.432749  <6>[    0.841155] pci 0000:00:02.2: PCI bridge to [bus 01]

 2316 08:44:46.439208  <6>[    0.841341] pci 0000:00:02.2:   bridge window [mem 0xf4800000-0xf49fffff]

 2317 08:44:46.442419  <6>[    0.841587] pci 0000:00:02.4: PCI bridge to [bus 02]

 2318 08:44:46.449309  <6>[    0.841769] pci 0000:00:02.4:   bridge window [mem 0xf4a00000-0xf4afffff]

 2319 08:44:46.456328  <6>[    0.842022] pci_bus 0000:00: resource 4 [io  0x0000-0x0cf7 window]

 2320 08:44:46.463953  <6>[    0.842242] pci_bus 0000:00: resource 5 [io  0x0d00-0xffff window]

 2321 08:44:46.472223  <6>[    0.842461] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff]

 2322 08:44:46.475598  <6>[    0.842683] pci_bus 0000:00: resource 7 [mem 0x000c0000-0x000dffff]

 2323 08:44:46.483156  <6>[    0.842905] pci_bus 0000:00: resource 8 [mem 0xd0000000-0xffffffff]

 2324 08:44:46.487944  <6>[    0.843133] pci_bus 0000:01: resource 1 [mem 0xf4800000-0xf49fffff]

 2325 08:44:46.495727  <6>[    0.843355] pci_bus 0000:02: resource 1 [mem 0xf4a00000-0xf4afffff]

 2326 08:44:46.499459  <6>[    0.843702] pci 0000:00:01.0: disabling ATS

 2327 08:44:46.511048  <6>[    0.843862] pci 0000:00:01.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff]

 2328 08:44:46.515664  <6>[    0.844327] pci 0000:00:01.1: D0 power state depends on 0000:00:01.0

 2329 08:44:46.523206  <6>[    0.845300] pci 0000:00:10.0: PME# does not work under D0, disabling it

 2330 08:44:46.526565  <6>[    0.846087] PCI: CLS 64 bytes, default 64

 2331 08:44:46.529740  <6>[    0.846503] Unpacking initramfs...

 2332 08:44:46.536149  <6>[    1.096724] Freeing initrd memory: 10240K

 2333 08:44:46.542663  <6>[    1.096926] PCI-DMA: Using software bounce buffering for IO (SWIOTLB)

 2334 08:44:46.549423  <6>[    1.097179] software IO TLB: mapped [mem 0x00000000c9d0d000-0x00000000cdd0d000] (64MB)

 2335 08:44:46.555778  <6>[    1.097517] LVT offset 0 assigned for vector 0x400

 2336 08:44:46.559500  <6>[    1.097754] perf: AMD IBS detected (0x000007ff)

 2337 08:44:46.562542  <3>[    1.097979] kvm: no hardware support

 2338 08:44:46.569004  <6>[    1.098254] kvm: Nested Virtualization enabled

 2339 08:44:46.572514  <6>[    1.098420] SVM: kvm: Nested Paging enabled

 2340 08:44:46.575674  <6>[    1.098573] SVM: Virtual VMLOAD VMSAVE supported

 2341 08:44:46.581977  <6>[    1.098741] SVM: Virtual GIF supported

 2342 08:44:46.589060  <6>[    1.100218] check: Scanning for low memory corruption every 60 seconds

 2343 08:44:46.592440  <5>[    1.101691] Initialise system trusted keyrings

 2344 08:44:46.598377  <6>[    1.102053] workingset: timestamp_bits=56 max_order=20 bucket_order=0

 2345 08:44:46.604874  <5>[    1.112560] NFS: Registering the id_resolver key type

 2346 08:44:46.608656  <5>[    1.112780] Key type id_resolver registered

 2347 08:44:46.611496  <5>[    1.112956] Key type id_legacy registered

 2348 08:44:46.618808  <5>[    1.128507] Key type asymmetric registered

 2349 08:44:46.621983  <5>[    1.128686] Asymmetric key parser 'x509' registered

 2350 08:44:46.628938  <6>[    1.128908] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 248)

 2351 08:44:46.634844  <6>[    1.129189] io scheduler mq-deadline registered

 2352 08:44:46.638155  <6>[    1.129355] io scheduler kyber registered

 2353 08:44:46.644633  <4>[    1.129676] test_firmware: interface ready

 2354 08:44:46.648359  <6>[    1.131500] pcieport 0000:00:02.2: PME: Signaling with IRQ 25

 2355 08:44:46.654558  <6>[    1.132165] pcieport 0000:00:02.4: PME: Signaling with IRQ 26

 2356 08:44:46.661343  <6>[    1.133063] ACPI: AC Adapter [AC] (on-line)

 2357 08:44:46.671800  <6>[    1.133443] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:17/PNP0C09:00/PNP0C0D:00/input/input0

 2358 08:44:46.674701  <6>[    1.134357] ACPI: Lid Switch [LID0]

 2359 08:44:46.681262  <6>[    1.134641] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input1

 2360 08:44:46.687904  <6>[    1.135049] ACPI: Power Button [PWRF]

 2361 08:44:46.695280  <6>[    1.135429] ACPI: Video Device [IGFX] (multi-head: no  rom: yes  post: no)

 2362 08:44:46.701273  <6>[    1.136141] input: Video Bus as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/LNXVIDEO:00/input/input2

 2363 08:44:46.707626  <6>[    1.136586] ACPI: \_PR_.P000: Found 2 idle states

 2364 08:44:46.711810  <6>[    1.137204] ACPI: \_PR_.P001: Found 2 idle states

 2365 08:44:46.717665  <6>[    1.139229] thermal LNXTHERM:00: registered as thermal_zone0

 2366 08:44:46.724129  <6>[    1.139437] ACPI: Thermal Zone [THRM] (24 C)

 2367 08:44:46.731313  <6>[    1.139989] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled

 2368 08:44:46.734485  <6>[    1.142176] battery: ACPI: Battery Slot [BAT0] (battery present)

 2369 08:44:46.740991  <6>[    1.143021] printk: console [ttyS0] disabled

 2370 08:44:46.747519  <6>[    1.143361] AMD0020:00: ttyS0 at MMIO 0xfedc6000 (irq = 10, base_baud = 3000000) is a 16550A

 2371 08:44:46.754322  <6>[    2.123299] tsc: Refined TSC clocksource calibration: 1597.002 MHz

 2372 08:44:46.764302  <6>[    2.123316] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x170514dcf86, max_idle_ns: 440795282824 ns

 2373 08:44:46.771270  <6>[    2.123386] clocksource: Switched to clocksource tsc

 2374 08:44:46.774492  <6>[    3.946050] printk: console [ttyS0] enabled

 2375 08:44:46.784790  <6>[    3.951278] AMD0020:01: ttyS1 at MMIO 0xfedc8000 (irq = 11, base_baud = 3000000) is a 16550A

 2376 08:44:46.791170  <6>[    3.960578] Non-volatile memory driver v1.3

 2377 08:44:46.794886  <6>[    3.965113] Linux agpgart interface v0.103

 2378 08:44:46.801367  <6>[    3.969726] ACPI: bus type drm_connector registered

 2379 08:44:46.804996  <6>[    3.974972] [drm] amdgpu kernel modesetting enabled.

 2380 08:44:46.810898  <6>[    3.980253] amdgpu 0000:00:01.0: vgaarb: deactivate vga console

 2381 08:44:46.820786  <6>[    3.986933] [drm] initializing kernel modesetting (STONEY 0x1002:0x98E4 0x1002:0x1EB0 0xEB).

 2382 08:44:46.827523  <4>[    3.995643] amdgpu 0000:00:01.0: amdgpu: Trusted Memory Zone (TMZ) feature not supported

 2383 08:44:46.834126  <6>[    4.004066] [drm] register mmio base: 0xF4D00000

 2384 08:44:46.837734  <6>[    4.008945] [drm] register mmio size: 262144

 2385 08:44:46.844051  <6>[    4.013479] [drm] add ip block number 0 <vi_common>

 2386 08:44:46.847921  <6>[    4.018617] [drm] add ip block number 1 <gmc_v8_0>

 2387 08:44:46.854229  <6>[    4.023673] [drm] add ip block number 2 <cz_ih>

 2388 08:44:46.857463  <6>[    4.028464] [drm] add ip block number 3 <gfx_v8_0>

 2389 08:44:46.864143  <6>[    4.033514] [drm] add ip block number 4 <sdma_v3_0>

 2390 08:44:46.867454  <6>[    4.038650] [drm] add ip block number 5 <powerplay>

 2391 08:44:46.874340  <6>[    4.043785] [drm] add ip block number 6 <dm>

 2392 08:44:46.877557  <6>[    4.048315] [drm] add ip block number 7 <uvd_v6_0>

 2393 08:44:46.884239  <6>[    4.053364] [drm] add ip block number 8 <vce_v3_0>

 2394 08:44:46.887646  <6>[    4.058413] [drm] add ip block number 9 <acp_ip>

 2395 08:44:46.894613  <6>[    4.063343] amdgpu 0000:00:01.0: amdgpu: Fetched VBIOS from VFCT

 2396 08:44:46.901093  <6>[    4.069613] amdgpu: ATOM BIOS: 113-C91400-010

 2397 08:44:46.904389  <6>[    4.074254] [drm] UVD is enabled in physical mode

 2398 08:44:46.907563  <6>[    4.079217] [drm] VCE enabled in VM mode

 2399 08:44:46.917418  <6>[    4.083540] [drm] vm size is 64 GB, 2 levels, block size is 10-bit, fragment size is 9-bit

 2400 08:44:46.927502  <6>[    4.092065] amdgpu 0000:00:01.0: amdgpu: VRAM: 16M 0x000000F400000000 - 0x000000F400FFFFFF (16M used)

 2401 08:44:46.937023  <6>[    4.101537] amdgpu 0000:00:01.0: amdgpu: GART: 1024M 0x000000FF00000000 - 0x000000FF3FFFFFFF

 2402 08:44:46.940673  <6>[    4.110232] [drm] Detected VRAM RAM=16M, BAR=16M

 2403 08:44:46.944285  <6>[    4.115109] [drm] RAM width 64bits UNKNOWN

 2404 08:44:46.950340  <6>[    4.119759] [TTM] Zone  kernel: Available graphics memory: 1968986 KiB

 2405 08:44:46.957683  <6>[    4.126580] [TTM] Initializing pool allocator

 2406 08:44:46.960824  <6>[    4.131219] [TTM] Initializing DMA pool allocator

 2407 08:44:46.967067  <6>[    4.136402] [drm] amdgpu: 16M of VRAM memory ready

 2408 08:44:46.973872  <6>[    4.141468] [drm] amdgpu: 2884M of GTT memory ready.

 2409 08:44:46.977494  <6>[    4.146698] [drm] GART: num cpu pages 262144, num gpu pages 262144

 2410 08:44:46.986985  <6>[    4.153227] [drm] PCIE GART of 1024M enabled (table at 0x000000F400401000).

 2411 08:44:46.993842  <6>[    4.162812] amdgpu: hwmgr_sw_init smu backed is smu8_smu

 2412 08:44:47.000310  <6>[    4.168435] [drm] Found UVD firmware Version: 1.43 Family ID: 15

 2413 08:44:47.003327  <6>[    4.174743] [drm] UVD ENC is disabled

 2414 08:44:47.009925  <6>[    4.179016] [drm] Found VCE firmware Version: 52.0 Binary ID: 3

 2415 08:44:47.017557  <6>[    4.186949] amdgpu: smu version 33.09.00

 2416 08:44:47.029788  <6>[    4.199104] [drm] DM_PPLIB: values for Engine clock

 2417 08:44:47.033208  <6>[    4.204254] [drm] DM_PPLIB:	 200000

 2418 08:44:47.036243  <6>[    4.208017] [drm] DM_PPLIB:	 300000

 2419 08:44:47.039344  <6>[    4.211769] [drm] DM_PPLIB:	 400000

 2420 08:44:47.046501  <6>[    4.215511] [drm] DM_PPLIB:	 450000

 2421 08:44:47.049653  <6>[    4.219262] [drm] DM_PPLIB:	 496560

 2422 08:44:47.053019  <6>[    4.223012] [drm] DM_PPLIB:	 533340

 2423 08:44:47.056914  <6>[    4.226763] [drm] DM_PPLIB:	 576000

 2424 08:44:47.059840  <6>[    4.230518] [drm] DM_PPLIB:	 600000

 2425 08:44:47.063455  <6>[    4.234290] [drm] DM_PPLIB: Validation clocks:

 2426 08:44:47.069623  <6>[    4.238996] [drm] DM_PPLIB:    engine_max_clock: 60000

 2427 08:44:47.076509  <6>[    4.244391] [drm] DM_PPLIB:    memory_max_clock: 93300

 2428 08:44:47.080249  <6>[    4.249785] [drm] DM_PPLIB:    level           : 8

 2429 08:44:47.086884  <6>[    4.254836] [drm] DM_PPLIB: values for Display clock

 2430 08:44:47.089604  <6>[    4.260058] [drm] DM_PPLIB:	 300000

 2431 08:44:47.093309  <6>[    4.263807] [drm] DM_PPLIB:	 400000

 2432 08:44:47.096036  <6>[    4.267558] [drm] DM_PPLIB:	 496560

 2433 08:44:47.099670  <6>[    4.271306] [drm] DM_PPLIB:	 626090

 2434 08:44:47.102938  <6>[    4.275055] [drm] DM_PPLIB:	 685720

 2435 08:44:47.110043  <6>[    4.278804] [drm] DM_PPLIB:	 757900

 2436 08:44:47.112748  <6>[    4.282552] [drm] DM_PPLIB:	 800000

 2437 08:44:47.116026  <6>[    4.286301] [drm] DM_PPLIB:	 847060

 2438 08:44:47.119668  <6>[    4.290050] [drm] DM_PPLIB: Validation clocks:

 2439 08:44:47.126476  <6>[    4.294751] [drm] DM_PPLIB:    engine_max_clock: 60000

 2440 08:44:47.133290  <6>[    4.300145] [drm] DM_PPLIB:    memory_max_clock: 93300

 2441 08:44:47.135790  <6>[    4.305538] [drm] DM_PPLIB:    level           : 8

 2442 08:44:47.142885  <6>[    4.310589] [drm] DM_PPLIB: values for Memory clock

 2443 08:44:47.145893  <6>[    4.315724] [drm] DM_PPLIB:	 667000

 2444 08:44:47.148980  <6>[    4.319472] [drm] DM_PPLIB:	 933000

 2445 08:44:47.152587  <6>[    4.323221] [drm] DM_PPLIB: Validation clocks:

 2446 08:44:47.159354  <6>[    4.327923] [drm] DM_PPLIB:    engine_max_clock: 60000

 2447 08:44:47.165671  <6>[    4.333319] [drm] DM_PPLIB:    memory_max_clock: 93300

 2448 08:44:47.169013  <6>[    4.338713] [drm] DM_PPLIB:    level           : 8

 2449 08:44:47.175741  <6>[    4.343883] [drm] Display Core initialized with v3.2.104!

 2450 08:44:47.296201  <6>[    4.465380] [drm] UVD initialized successfully.

 2451 08:44:47.401877  <6>[    4.570996] [drm] VCE initialized successfully.

 2452 08:44:47.411222  <6>[    4.576271] amdgpu 0000:00:01.0: amdgpu: SE 1, SH per SE 1, CU per SH 3, active_cu_number 3

 2453 08:44:47.414551  <6>[    4.586103] [drm] fb mappable at 0xCF86F000

 2454 08:44:47.421624  <6>[    4.590585] [drm] vram apper at 0xCF000000

 2455 08:44:47.424671  <6>[    4.594942] [drm] size 1179648

 2456 08:44:47.428519  <6>[    4.598259] [drm] fb depth is 8

 2457 08:44:47.431002  <6>[    4.601661] [drm]    pitch is 1536

 2458 08:44:47.440387  <6>[    4.605778] fbcon: amdgpudrmfb (fb0) is primary device

 2459 08:44:47.446618  <6>[    4.607717] Console: switching to colour frame buffer device 170x48

 2460 08:44:47.453434  <6>[    4.621362] amdgpu 0000:00:01.0: [drm] fb0: amdgpudrmfb frame buffer device

 2461 08:44:47.466736  <6>[    4.632370] [drm] Initialized amdgpu 3.40.0 20150101 for 0000:00:01.0 on minor 0

 2462 08:44:47.472858  <6>[    4.641333] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 1

 2463 08:44:47.485199  <6>[    4.654657] loop: module loaded

 2464 08:44:47.491692  <6>[    4.658476] lkdtm: No crash points registered, enable through debugfs

 2465 08:44:47.498264  <6>[    4.666567] e100: Intel(R) PRO/100 Network Driver

 2466 08:44:47.502098  <6>[    4.671539] e100: Copyright(c) 1999-2006 Intel Corporation

 2467 08:44:47.508432  <6>[    4.677319] e1000: Intel(R) PRO/1000 Network Driver

 2468 08:44:47.515111  <6>[    4.682468] e1000: Copyright (c) 1999-2006 Intel Corporation.

 2469 08:44:47.518906  <6>[    4.688538] e1000e: Intel(R) PRO/1000 Network Driver

 2470 08:44:47.524930  <6>[    4.693772] e1000e: Copyright(c) 1999 - 2015 Intel Corporation.

 2471 08:44:47.528713  <6>[    4.699997] sky2: driver version 1.30

 2472 08:44:47.535139  <6>[    4.704098] usbcore: registered new interface driver r8152

 2473 08:44:47.541730  <6>[    4.710092] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver

 2474 08:44:47.548818  <6>[    4.716905] ehci-pci: EHCI PCI platform driver

 2475 08:44:47.551338  <6>[    4.722001] ehci-pci 0000:00:12.0: EHCI Host Controller

 2476 08:44:47.561875  <6>[    4.728035] ehci-pci 0000:00:12.0: new USB bus registered, assigned bus number 1

 2477 08:44:47.565551  <6>[    4.735748] ehci-pci 0000:00:12.0: debug port 2

 2478 08:44:47.571885  <6>[    4.740708] ehci-pci 0000:00:12.0: irq 18, io mem 0xf4d89000

 2479 08:44:47.584069  <6>[    4.753659] ehci-pci 0000:00:12.0: USB 2.0 started, EHCI 1.00

 2480 08:44:47.594117  <6>[    4.760161] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10

 2481 08:44:47.601078  <6>[    4.768719] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1

 2482 08:44:47.607497  <6>[    4.776200] usb usb1: Product: EHCI Host Controller

 2483 08:44:47.613840  <6>[    4.781340] usb usb1: Manufacturer: Linux 5.10.209-cip44 ehci_hcd

 2484 08:44:47.617245  <6>[    4.787690] usb usb1: SerialNumber: 0000:00:12.0

 2485 08:44:47.624689  <6>[    4.793494] hub 1-0:1.0: USB hub found

 2486 08:44:47.627272  <6>[    4.797588] hub 1-0:1.0: 2 ports detected

 2487 08:44:47.634479  <6>[    4.802731] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver

 2488 08:44:47.640911  <6>[    4.809196] ohci-pci: OHCI PCI platform driver

 2489 08:44:47.647397  <6>[    4.813943] uhci_hcd: USB Universal Host Controller Interface driver

 2490 08:44:47.650485  <6>[    4.820885] xhci_hcd 0000:00:10.0: xHCI Host Controller

 2491 08:44:47.660740  <6>[    4.827061] xhci_hcd 0000:00:10.0: new USB bus registered, assigned bus number 2

 2492 08:44:47.671262  <6>[    4.834940] xhci_hcd 0000:00:10.0: hcc params 0x014040c3 hci version 0x100 quirks 0x0000000000000410

 2493 08:44:47.678046  <6>[    4.845212] xhci_hcd 0000:00:10.0: xHCI Host Controller

 2494 08:44:47.684683  <6>[    4.850958] xhci_hcd 0000:00:10.0: new USB bus registered, assigned bus number 3

 2495 08:44:47.690802  <6>[    4.858623] xhci_hcd 0000:00:10.0: Host supports USB 3.0 SuperSpeed

 2496 08:44:47.700861  <6>[    4.865326] usb usb2: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10

 2497 08:44:47.707431  <6>[    4.873931] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1

 2498 08:44:47.710606  <6>[    4.881413] usb usb2: Product: xHCI Host Controller

 2499 08:44:47.717703  <6>[    4.886555] usb usb2: Manufacturer: Linux 5.10.209-cip44 xhci-hcd

 2500 08:44:47.724308  <6>[    4.892905] usb usb2: SerialNumber: 0000:00:10.0

 2501 08:44:47.727631  <6>[    4.898364] hub 2-0:1.0: USB hub found

 2502 08:44:47.734107  <6>[    4.902470] hub 2-0:1.0: 4 ports detected

 2503 08:44:47.740614  <6>[    4.907379] usb usb3: We don't know the algorithms for LPM for this host, disabling LPM.

 2504 08:44:47.750120  <6>[    4.915796] usb usb3: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.10

 2505 08:44:47.757078  <6>[    4.924316] usb usb3: New USB device strings: Mfr=3, Product=2, SerialNumber=1

 2506 08:44:47.764161  <6>[    4.931801] usb usb3: Product: xHCI Host Controller

 2507 08:44:47.770294  <6>[    4.937001] usb usb3: Manufacturer: Linux 5.10.209-cip44 xhci-hcd

 2508 08:44:47.773541  <6>[    4.943354] usb usb3: SerialNumber: 0000:00:10.0

 2509 08:44:47.780065  <6>[    4.948960] hub 3-0:1.0: USB hub found

 2510 08:44:47.783420  <6>[    4.953044] hub 3-0:1.0: 4 ports detected

 2511 08:44:47.790637  <6>[    4.957996] usbcore: registered new interface driver usblp

 2512 08:44:47.797049  <6>[    4.963789] usbcore: registered new interface driver usb-storage

 2513 08:44:47.806926  <6>[    4.970351] udc-core: couldn't find an available UDC - added [g_ether] to list of pending drivers

 2514 08:44:47.813358  <6>[    4.979587] i8042: PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1

 2515 08:44:47.823820  <4>[    4.986634] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp

 2516 08:44:47.826768  <4>[    4.998334] i8042: Warning: Keylock active

 2517 08:44:47.834180  <6>[    5.002861] serio: i8042 KBD port at 0x60,0x64 irq 1

 2518 08:44:47.841859  <6>[    5.009309] rtc_cmos 00:01: RTC can wake from S4

 2519 08:44:47.844273  <6>[    5.015243] rtc_cmos 00:01: registered as rtc0

 2520 08:44:47.854430  <6>[    5.020161] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input3

 2521 08:44:47.861412  <6>[    5.029247] rtc_cmos 00:01: alarms up to one day, 114 bytes nvram, hpet irqs

 2522 08:44:47.871115  <6>[    5.037006] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com

 2523 08:44:47.877599  <6>[    5.045773] sdhci: Secure Digital Host Controller Interface driver

 2524 08:44:47.881215  <6>[    5.052208] sdhci: Copyright(c) Pierre Ossman

 2525 08:44:47.891439  <6>[    5.057023] sdhci-pci 0000:00:14.7: SDHCI controller found [1022:7906] (rev 1)

 2526 08:44:47.897774  <6>[    5.064750] usb 1-1: new high-speed USB device number 2 using ehci-pci

 2527 08:44:48.007217  <6>[    5.173497] mmc0: SDHCI controller on PCI [0000:00:14.7] using ADMA 64-bit

 2528 08:44:48.013836  <6>[    5.181078] sdhci-pci 0000:02:00.0: SDHCI controller found [1217:8620] (rev 1)

 2529 08:44:48.020721  <6>[    5.185463] usb 2-4: new high-speed USB device number 2 using xhci_hcd

 2530 08:44:48.027180  <6>[    5.189158] mmc1: emmc 1.8v flag is set, force 1.8v signaling voltage

 2531 08:44:48.034287  <6>[    5.203496] mmc1: SDHCI controller on PCI [0000:02:00.0] using ADMA

 2532 08:44:48.040935  <6>[    5.210338] hid: raw HID events driver (C) Jiri Kosina

 2533 08:44:48.047605  <6>[    5.216435] usbcore: registered new interface driver usbhid

 2534 08:44:48.050434  <6>[    5.222281] usbhid: USB HID core driver

 2535 08:44:48.062074  <6>[    5.226860] usb 1-1: New USB device found, idVendor=0438, idProduct=7900, bcdDevice= 0.18

 2536 08:44:48.066316  <6>[    5.230275] cros_ec_lpcs GOOG0004:00: Chrome EC device registered

 2537 08:44:48.076116  <6>[    5.235340] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0

 2538 08:44:48.082605  <6>[    5.243184] snd_hda_intel 0000:00:01.1: Force to non-snoop mode

 2539 08:44:48.085767  <6>[    5.251570] hub 1-1:1.0: USB hub found

 2540 08:44:48.088635  <6>[    5.259584] netem: version 1.3

 2541 08:44:48.095951  <6>[    5.263425] ipip: IPv4 and MPLS over IPv4 tunneling driver

 2542 08:44:48.098880  <6>[    5.269868] IPv4 over IPsec tunneling driver

 2543 08:44:48.105487  <3>[    5.269896] snd_hda_intel 0000:00:01.1: Cannot probe codecs, giving up

 2544 08:44:48.112659  <6>[    5.274755] Initializing XFRM netlink socket

 2545 08:44:48.115252  <6>[    5.285831] hub 1-1:1.0: 4 ports detected

 2546 08:44:48.118836  <6>[    5.286884] NET: Registered protocol family 10

 2547 08:44:48.127242  <6>[    5.296321] Segment Routing with IPv6

 2548 08:44:48.130088  <6>[    5.301070] NET: Registered protocol family 17

 2549 08:44:48.136843  <6>[    5.305983] 8021q: 802.1Q VLAN Support v1.8

 2550 08:44:48.140425  <5>[    5.310512] Key type dns_resolver registered

 2551 08:44:48.149896  <6>[    5.315050] x86/pm: family 0x15 cpu detected, MSR saving is needed during suspending.

 2552 08:44:48.153111  <6>[    5.324082] microcode: CPU0: patch_level=0x06006705

 2553 08:44:48.159856  <6>[    5.329250] microcode: CPU1: patch_level=0x06006705

 2554 08:44:48.166748  <6>[    5.334468] microcode: Microcode Update Driver: v2.2.

 2555 08:44:48.170240  <6>[    5.334478] IPI shorthand broadcast: enabled

 2556 08:44:48.179737  <6>[    5.344443] sched_clock: Marking stable (5315004700, 29402262)->(5372476312, -28069350)

 2557 08:44:48.183312  <6>[    5.352976] registered taskstats version 1

 2558 08:44:48.189786  <5>[    5.357563] Loading compiled-in X.509 certificates

 2559 08:44:48.193157  <6>[    5.364199] PM:   Magic number: 12:685:726

 2560 08:44:48.199398  <6>[    5.368665] block loop6: hash matches

 2561 08:44:48.202957  <6>[    5.373054] printk: console [netcon0] enabled

 2562 08:44:48.209367  <6>[    5.377690] netconsole: network logging started

 2563 08:44:48.216287  <6>[    5.383032] acpi_cpufreq: overriding BIOS provided _PSD data

 2564 08:44:48.222246  <6>[    5.383061] usb 2-4: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=31.00

 2565 08:44:48.229312  <6>[    5.383065] usb 2-4: New USB device strings: Mfr=1, Product=2, SerialNumber=6

 2566 08:44:48.235591  <6>[    5.404837] usb 2-4: Product: USB 10/100/1000 LAN

 2567 08:44:48.239155  <6>[    5.409806] usb 2-4: Manufacturer: Realtek

 2568 08:44:48.245572  <6>[    5.414166] usb 2-4: SerialNumber: 001000001

 2569 08:44:48.378519  <6>[    5.544976] usb 2-4: reset high-speed USB device number 2 using xhci_hcd

 2570 08:44:48.443439  <6>[    5.609648] usb 1-1.1: new high-speed USB device number 3 using ehci-pci

 2571 08:44:48.560780  <6>[    5.726695] usb 1-1.1: New USB device found, idVendor=05c8, idProduct=03d1, bcdDevice= 1.03

 2572 08:44:48.567401  <6>[    5.735334] usb 1-1.1: New USB device strings: Mfr=3, Product=1, SerialNumber=2

 2573 08:44:48.573780  <6>[    5.742905] usb 1-1.1: Product: HP TrueVision HD Camera

 2574 08:44:48.576958  <6>[    5.748397] usb 1-1.1: Manufacturer: Foxlink

 2575 08:44:48.583628  <6>[    5.752934] usb 1-1.1: SerialNumber: 0x0001

 2576 08:44:48.636928  <6>[    5.806316] r8152 2-4:1.0: load rtl8153b-2 v2 04/27/23 successfully

 2577 08:44:48.669359  <6>[    5.835423] usb 1-1.2: new full-speed USB device number 4 using ehci-pci

 2578 08:44:48.707618  <6>[    5.877144] r8152 2-4:1.0 eth0: v1.11.11

 2579 08:44:48.768980  <6>[    5.934753] usb 1-1.2: New USB device found, idVendor=0cf3, idProduct=e300, bcdDevice= 0.01

 2580 08:44:48.775258  <6>[    5.943367] usb 1-1.2: New USB device strings: Mfr=0, Product=0, SerialNumber=0

 2581 08:44:49.605246  <6>[    6.775260] mmc1: new HS200 MMC card at address 0001

 2582 08:44:49.612104  <6>[    6.781474] mmcblk1: mmc1:0001 hA8aP> 14.7 GiB 

 2583 08:44:49.618648  <6>[    6.786523] mmcblk1boot0: mmc1:0001 hA8aP> partition 1 4.00 MiB

 2584 08:44:49.625363  <6>[    6.792905] mmcblk1boot1: mmc1:0001 hA8aP> partition 2 4.00 MiB

 2585 08:44:49.631863  <6>[    6.799442] mmcblk1rpmb: mmc1:0001 hA8aP> partition 3 16.0 MiB, chardev (245:0)

 2586 08:44:49.645131  <6>[    6.814758]  mmcblk1: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12

 2587 08:44:50.397481  <6>[    7.567458] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready

 2588 08:44:50.404642  <6>[    7.574341] r8152 2-4:1.0 eth0: carrier on

 2589 08:44:53.025821  <5>[    7.579424] Sending DHCP requests .., OK

 2590 08:44:53.032368  <6>[   10.199877] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.12

 2591 08:44:53.035654  <6>[   10.208140] IP-Config: Complete:

 2592 08:44:53.045574  <6>[   10.211699]      device=eth0, hwaddr=00:e0:4c:75:03:5c, ipaddr=192.168.201.12, mask=255.255.255.0, gw=192.168.201.1

 2593 08:44:53.055544  <6>[   10.222395]      host=hp-11a-g6-ee-grunt-cbg-0, domain=lava-rack, nis-domain=(none)

 2594 08:44:53.061932  <6>[   10.230307]      bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath=

 2595 08:44:53.065823  <6>[   10.230310]      nameserver0=192.168.201.1

 2596 08:44:53.075292  <5>[   10.242351] cfg80211: Loading compiled-in X.509 certificates for regulatory database

 2597 08:44:53.088478  <6>[   10.254933] modprobe (98) used greatest stack depth: 14208 bytes left

 2598 08:44:53.095111  <5>[   10.262543] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7'

 2599 08:44:53.101321  <5>[   10.269667] cfg80211: Loaded X.509 cert 'wens: 61c038651aabdcf94bd0ac7ff06c7248db18c600'

 2600 08:44:53.111897  <4>[   10.278381] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2

 2601 08:44:53.115017  <6>[   10.280464] ALSA device list:

 2602 08:44:53.121739  <6>[   10.287339] cfg80211: failed to load regulatory.db

 2603 08:44:53.124866  <6>[   10.290546]   No soundcards found.

 2604 08:44:53.131352  <4>[   10.299793] dw-apb-uart AMD0020:00: forbid DMA for kernel console

 2605 08:44:53.141214  <6>[   10.310876] Freeing unused kernel image (initmem) memory: 2164K

 2606 08:44:53.152622  <6>[   10.322787] Write protecting the kernel read-only data: 38912k

 2607 08:44:53.163777  <6>[   10.330290] Freeing unused kernel image (text/rodata gap) memory: 2028K

 2608 08:44:53.170404  <6>[   10.337599] Freeing unused kernel image (rodata/data gap) memory: 720K

 2609 08:44:53.173819  <6>[   10.344394] Run /init as init process

 2610 08:44:53.181814  Loading, please wait...

 2611 08:44:53.197175  Starting version 247.3-7+deb11u4

 2612 08:44:53.207161  <6>[   10.371402] systemd-udevd (120) used greatest stack depth: 13816 bytes left

 2613 08:44:53.274605  <6>[   10.441386] udevadm (122) used greatest stack depth: 13760 bytes left

 2614 08:44:53.468315  <6>[   10.638329] udevadm (143) used greatest stack depth: 13624 bytes left

 2615 08:44:53.475537  <6>[   10.645598] chromeos ramoops using acpi device.

 2616 08:44:53.497703  <4>[   10.664249] cros-usbpd-notify-acpi GOOG0003:00: Couldn't get Chrome EC device pointer.

 2617 08:44:53.507609  <4>[   10.673337] da7219 i2c-DLGS7219:00: Using default DAI clk names: da7219-dai-wclk, da7219-dai-bclk

 2618 08:44:53.518470  <3>[   10.685354] designware-i2s designware-i2s.1.auto: IRQ index 0 not found

 2619 08:44:53.528192  <6>[   10.693978] cz-da7219-max98357a AMD7219:00: ASoC: CPU DAI designware-i2s.1.auto not registered

 2620 08:44:53.573304  <3>[   10.740314] cz-da7219-max98357a AMD7219:00: devm_snd_soc_register_card(acpd7219m98357) failed: -517

 2621 08:44:53.580464  <3>[   10.740452] designware-i2s designware-i2s.2.auto: IRQ index 0 not found

 2622 08:44:53.591006  <6>[   10.757799] cz-da7219-max98357a AMD7219:00: ASoC: CPU DAI designware-i2s.2.auto not registered

 2623 08:44:53.621203  <6>[   10.787837] uvcvideo: Found UVC 1.00 device HP TrueVision HD Camera (05c8:03d1)

 2624 08:44:53.631320  <3>[   10.788700] cz-da7219-max98357a AMD7219:00: devm_snd_soc_register_card(acpd7219m98357) failed: -517

 2625 08:44:53.650409  <6>[   10.816854] cz-da7219-max98357a AMD7219:00: ASoC: CPU DAI designware-i2s.2.auto not registered

 2626 08:44:53.661332  <3>[   10.828095] cz-da7219-max98357a AMD7219:00: devm_snd_soc_register_card(acpd7219m98357) failed: -517

 2627 08:44:53.668225  <3>[   10.829954] designware-i2s designware-i2s.3.auto: IRQ index 0 not found

 2628 08:44:53.677863  <6>[   10.838547] cz-da7219-max98357a AMD7219:00: ASoC: CPU DAI designware-i2s.3.auto not registered

 2629 08:44:53.678011  <3

 2630 08:44:53.681191  

 2631 08:44:53.684596  coreboot-56f9d1cd49 Thu Sep  5 21:57:06 UTC 2019 smm starting...

 2632 08:44:53.684692  

 2633 08:44:53.688228  SMI# #1

 2634 08:44:53.688303  GSMI Unknown: 0xff

 2635 08:44:53.697876  >[   10.854302] cz-da7219-max98357a AMD7219:00: devm_snd_soc_register_card(acpd7219m98357) failed: -517

 2636 08:44:53.714911  <6>[   10.878475] input: HP TrueVision HD Camera: HP Tru as /devices/pci0000:00/0000:00:12.0/usb1/1-1/1-1.1/1-1.1:1.0/input/input4

 2637 08:44:53.725186  <6>[   10.879350] cz-da7219-max98357a AMD7219:00: ASoC: CPU DAI designware-i2s.3.auto not registered

 2638 08:44:53.725270  

 2639 08:44:53.725334  

 2640 08:44:53.731179  coreboot-56f9d1cd49 Thu Sep  5 21:57:06 UTC 2019 smm starting...

 2641 08:44:53.731283  

 2642 08:44:53.731369  SMI# #0

 2643 08:44:53.734669  GSMI Handshake

 2644 08:44:53.741504  <6>[   10.910795] usbcore: registered new interface driver uvcvideo

 2645 08:44:53.744655  <6>[   10.914254] Registered efivars operations

 2646 08:44:53.751422  <6>[   10.916873] USB Video Class driver (1.1.1)

 2647 08:44:53.754750  <6>[   10.921526] gsmi version 1.0 loaded

 2648 08:44:53.764468  <3>[   10.929819] cz-da7219-max98357a AMD7219:00: devm_snd_soc_register_card(acpd7219m98357) failed: -517

 2649 08:44:53.793177  <6>[   10.963376]  amd-da7219-play: codec dai name = da7219-hifi

 2650 08:44:53.826705  Begin: Loading essential drivers ... done.

 2651 08:44:53.836601  <6>[   11.000857] input: acpd7219m98357 Headset Jack as /devices/platform/AMD7219:00/sound/card0/input5

 2652 08:44:53.839728  Begin: Running /scripts/init-premount ... done.

 2653 08:44:53.846557  Begin: Mounting root file system ... Begin: Running /scripts/nfs-top ... done.

 2654 08:44:53.856175  Begin: Running /scripts/nfs-premount ... Waiting up to 60 secs for any ethernet to become available

 2655 08:44:53.856262  Device /sys/class/net/eth0 found

 2656 08:44:53.859451  done.

 2657 08:44:53.869127  IP-Config: eth0 hardware address 00:e0:4c:75:03:5c mtu 1500 DHCP

 2658 08:44:53.875296  IP-Config: eth0 complete (dhcp from 192.168.201.1):

 2659 08:44:53.881806   address: 192.168.201.12   broadcast: 192.168.201.255  netmask: 255.255.255.0   

 2660 08:44:53.888413   gateway: 192.168.201.1    dns0     : 192.168.201.1    dns1   : 0.0.0.0         

 2661 08:44:53.895295   host   : hp-11a-g6-ee-grunt-cbg-0                                        

 2662 08:44:53.901814   domain : lava-rack                                                       

 2663 08:44:53.905047   rootserver: 192.168.201.1 rootpath: 

 2664 08:44:53.905130   filename  : 

 2665 08:44:53.959322  <6>[   11.125834] nfsmount (162) used greatest stack depth: 12520 bytes left

 2666 08:44:53.959452  done.

 2667 08:44:53.966265  Begin: Running /scripts/nfs-bottom ... done.

 2668 08:44:53.979084  Begin: Running /scripts/init-bottom ... done.

 2669 08:44:54.970276  SELinux:  Could not open policy file <= /etc/selinux/targeted/policy/policy.33:  No such file or directory

 2670 08:44:55.134696  <30>[   12.284961] systemd[1]: systemd 247.3-7+deb11u4 running in system mode. (+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 +ZSTD +SECCOMP +BLKID +ELFUTILS +KMOD +IDN2 -IDN +PCRE2 default-hierarchy=unified)

 2671 08:44:55.151253  <30>[   12.320862] systemd[1]: Detected architecture x86-64.

 2672 08:44:55.168066  

 2673 08:44:55.171356  Welcome to Debian GNU/Linux 11 (bullseye)!

 2674 08:44:55.171466  

 2675 08:44:55.179067  <30>[   12.348930] systemd[1]: Set hostname to <debian-bullseye-amd64>.

 2676 08:44:55.785025  <30>[   12.951937] systemd[1]: Queued start job for default target Graphical Interface.

 2677 08:44:55.791623  <30>[   12.961729] systemd[1]: Created slice system-getty.slice.

 2678 08:44:55.798262  [  OK  ] Created slice system-getty.slice.

 2679 08:44:55.808448  <30>[   12.978362] systemd[1]: Created slice system-modprobe.slice.

 2680 08:44:55.814698  [  OK  ] Created slice system-modprobe.slice.

 2681 08:44:55.824234  <30>[   12.994347] systemd[1]: Created slice system-serial\x2dgetty.slice.

 2682 08:44:55.834423  [  OK  ] Created slice system-serial\x2dgetty.slice.

 2683 08:44:55.841227  <30>[   13.011337] systemd[1]: Created slice User and Session Slice.

 2684 08:44:55.847688  [  OK  ] Created slice User and Session Slice.

 2685 08:44:55.860816  <30>[   13.027264] systemd[1]: Started Dispatch Password Requests to Console Directory Watch.

 2686 08:44:55.870650  [  OK  ] Started Dispatch Password …ts to Console Directory Watch.

 2687 08:44:55.880365  <30>[   13.047066] systemd[1]: Started Forward Password Requests to Wall Directory Watch.

 2688 08:44:55.887479  [  OK  ] Started Forward Password R…uests to Wall Directory Watch.

 2689 08:44:55.900416  <30>[   13.066977] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point.

 2690 08:44:55.910973  [  OK  ] Set up automount Arbitrary…s File System Automount Point.

 2691 08:44:55.917852  <30>[   13.087888] systemd[1]: Reached target Local Encrypted Volumes.

 2692 08:44:55.924445  [  OK  ] Reached target Local Encrypted Volumes.

 2693 08:44:55.933649  <30>[   13.103881] systemd[1]: Reached target Paths.

 2694 08:44:55.937039  [  OK  ] Reached target Paths.

 2695 08:44:55.946940  <30>[   13.116828] systemd[1]: Reached target Remote File Systems.

 2696 08:44:55.953039  [  OK  ] Reached target Remote File Systems.

 2697 08:44:55.962329  <30>[   13.131830] systemd[1]: Reached target Slices.

 2698 08:44:55.965137  [  OK  ] Reached target Slices.

 2699 08:44:55.974693  <30>[   13.144848] systemd[1]: Reached target Swap.

 2700 08:44:55.978272  [  OK  ] Reached target Swap.

 2701 08:44:55.990433  <30>[   13.157305] systemd[1]: Listening on initctl Compatibility Named Pipe.

 2702 08:44:55.997222  [  OK  ] Listening on initctl Compatibility Named Pipe.

 2703 08:44:56.004967  <30>[   13.174789] systemd[1]: Listening on Journal Audit Socket.

 2704 08:44:56.011067  [  OK  ] Listening on Journal Audit Socket.

 2705 08:44:56.020718  <30>[   13.190820] systemd[1]: Listening on Journal Socket (/dev/log).

 2706 08:44:56.027251  [  OK  ] Listening on Journal Socket (/dev/log).

 2707 08:44:56.036153  <30>[   13.206364] systemd[1]: Listening on Journal Socket.

 2708 08:44:56.042912  [  OK  ] Listening on Journal Socket.

 2709 08:44:56.049490  <30>[   13.218589] systemd[1]: Listening on Network Service Netlink Socket.

 2710 08:44:56.055946  [  OK  ] Listening on Network Service Netlink Socket.

 2711 08:44:56.066135  <30>[   13.236465] systemd[1]: Listening on udev Control Socket.

 2712 08:44:56.073065  [  OK  ] Listening on udev Control Socket.

 2713 08:44:56.080380  <30>[   13.249288] systemd[1]: Listening on udev Kernel Socket.

 2714 08:44:56.086500  [  OK  ] Listening on udev Kernel Socket.

 2715 08:44:56.095882  <30>[   13.266104] systemd[1]: Mounting Huge Pages File System...

 2716 08:44:56.102904           Mounting Huge Pages File System...

 2717 08:44:56.110385  <30>[   13.279976] systemd[1]: Mounting POSIX Message Queue File System...

 2718 08:44:56.116802           Mounting POSIX Message Queue File System...

 2719 08:44:56.125332  <30>[   13.295629] systemd[1]: Mounting Kernel Debug File System...

 2720 08:44:56.131904           Mounting Kernel Debug File System...

 2721 08:44:56.142439  <30>[   13.312675] systemd[1]: Mounting Kernel Trace File System...

 2722 08:44:56.149289           Mounting Kernel Trace File System...

 2723 08:44:56.172369  <30>[   13.338707] systemd[1]: Starting Create list of static device nodes for the current kernel...

 2724 08:44:56.178497           Starting Create list of st…odes for the current kernel...

 2725 08:44:56.192082  <30>[   13.361945] systemd[1]: Starting Load Kernel Module configfs...

 2726 08:44:56.198439           Starting Load Kernel Module configfs...

 2727 08:44:56.206803  <30>[   13.376848] systemd[1]: Starting Load Kernel Module drm...

 2728 08:44:56.213349           Starting Load Kernel Module drm...

 2729 08:44:56.223281  <30>[   13.393496] systemd[1]: Starting Load Kernel Module fuse...

 2730 08:44:56.229872           Starting Load Kernel Module fuse...

 2731 08:44:56.250258  <30>[   13.416997] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped.

 2732 08:44:56.261048  <30>[   13.431155] systemd[1]: Starting Journal Service...

 2733 08:44:56.264440           Starting Journal Service...

 2734 08:44:56.287388  <6>[   13.457692] fuse: init (API version 7.32)

 2735 08:44:56.294288  <30>[   13.464300] systemd[1]: Starting Load Kernel Modules...

 2736 08:44:56.300909           Starting Load Kernel Modules...

 2737 08:44:56.312877  <30>[   13.479456] systemd[1]: Starting Remount Root and Kernel File Systems...

 2738 08:44:56.318974           Starting Remount Root and Kernel File Systems...

 2739 08:44:56.329701  <30>[   13.499575] systemd[1]: Starting Coldplug All udev Devices...

 2740 08:44:56.336221           Starting Coldplug All udev Devices...

 2741 08:44:56.347038  <30>[   13.516760] systemd[1]: Mounted Huge Pages File System.

 2742 08:44:56.352985  [  OK  ] Mounted Huge Pages File System.

 2743 08:44:56.363077  <30>[   13.532932] systemd[1]: Mounted POSIX Message Queue File System.

 2744 08:44:56.370391  [  OK  ] Mounted POSIX Message Queue File System.

 2745 08:44:56.380750  <30>[   13.550860] systemd[1]: Mounted Kernel Debug File System.

 2746 08:44:56.387605  [  OK  ] Mounted Kernel Debug File System.

 2747 08:44:56.397046  <30>[   13.566896] systemd[1]: Mounted Kernel Trace File System.

 2748 08:44:56.403859  [  OK  ] Mounted Kernel Trace File System.

 2749 08:44:56.416692  <30>[   13.583454] systemd[1]: Finished Create list of static device nodes for the current kernel.

 2750 08:44:56.426400  [  OK  ] Finished Create list of st… nodes for the current kernel.

 2751 08:44:56.434318  <30>[   13.603689] systemd[1]: modprobe@configfs.service: Succeeded.

 2752 08:44:56.443633  <30>[   13.613921] systemd[1]: Finished Load Kernel Module configfs.

 2753 08:44:56.450446  [  OK  ] Finished Load Kernel Module configfs.

 2754 08:44:56.461981  <30>[   13.632279] systemd[1]: modprobe@drm.service: Succeeded.

 2755 08:44:56.469301  <30>[   13.639259] systemd[1]: Finished Load Kernel Module drm.

 2756 08:44:56.475671  [  OK  ] Finished Load Kernel Module drm.

 2757 08:44:56.488611  <30>[   13.658786] systemd[1]: modprobe@fuse.service: Succeeded.

 2758 08:44:56.500553  <30>[   13.670179] systemd[1]: Finished Load Kernel Module fuse.

 2759 08:44:56.513395  [  OK  ] Finished Load Kernel Module fuse.

 2760 08:44:56.523347  <30>[   13.693525] systemd[1]: Finished Load Kernel Modules.

 2761 08:44:56.530993  [  OK  ] Finished Load Kernel Modules.

 2762 08:44:56.540615  <30>[   13.707481] systemd[1]: Finished Remount Root and Kernel File Systems.

 2763 08:44:56.555001  [  OK  ] Finished Remount Root and Kernel File Systems.

 2764 08:44:56.563190  <30>[   13.733223] systemd[1]: Mounting FUSE Control File System...

 2765 08:44:56.569713           Mounting FUSE Control File System...

 2766 08:44:56.580503  <30>[   13.747400] systemd[1]: Mounting Kernel Configuration File System...

 2767 08:44:56.586878           Mounting Kernel Configuration File System...

 2768 08:44:56.599449  <30>[   13.766313] systemd[1]: Condition check resulted in Rebuild Hardware Database being skipped.

 2769 08:44:56.609248  <30>[   13.776304] systemd[1]: Condition check resulted in Platform Persistent Storage Archival being skipped.

 2770 08:44:56.617715  <30>[   13.787896] systemd[1]: Starting Load/Save Random Seed...

 2771 08:44:56.624242           Starting Load/Save Random Seed...

 2772 08:44:56.634543  <30>[   13.804714] systemd[1]: Starting Apply Kernel Variables...

 2773 08:44:56.641121           Starting Apply Kernel Variables...

 2774 08:44:56.651129  <30>[   13.821127] systemd[1]: Starting Create System Users...

 2775 08:44:56.657580           Starting Create System Users...

 2776 08:44:56.666007  <30>[   13.836071] systemd[1]: Started Journal Service.

 2777 08:44:56.672397  [  OK  ] Started Journal Service.

 2778 08:44:56.684617  [  OK  ] Mounted FUSE Control File System.

 2779 08:44:56.693495  [  OK  ] Mounted Kernel Configuration File System.

 2780 08:44:56.703927  [  OK  ] Finished Load/Save Random Seed.

 2781 08:44:56.713546  [  OK  ] Finished Apply Kernel Variables.

 2782 08:44:56.730653           Starting Flush Journal to Persistent Storage...

 2783 08:44:56.757842  [  OK  ] Finished Create System Users.

 2784 08:44:56.778906           Starting Create Static Device Nodes in /dev...<46>[   13.940402] systemd-journald[197]: Received client request to flush runtime journal.

 2785 08:44:56.779028  

 2786 08:44:56.969283  [  OK  ] Finished Coldplug All udev Devices.

 2787 08:44:57.884590  [  OK  ] Finished Create Static Device Nodes in /dev.

 2788 08:44:57.890637  [  OK  ] Reached target Local File Systems (Pre).

 2789 08:44:57.897732  [  OK  ] Reached target Local File Systems.

 2790 08:44:57.913070           Starting Rule-based Manage…for Device Events and Files...

 2791 08:44:58.226330  [  OK  ] Finished Flush Journal to Persistent Storage.

 2792 08:44:58.235721           Starting Create Volatile Files and Directories...

 2793 08:44:58.375783  [  OK  ] Started Rule-based Manager for Device Events and Files.

 2794 08:44:58.393050           Starting Network Service...

 2795 08:44:58.539187  [  OK  ] Finished Create Volatile Files and Directories.

 2796 08:44:58.555336           Starting Network Time Synchronization...

 2797 08:44:58.566123           Starting Update UTMP about System Boot/Shutdown...

 2798 08:44:58.786971  [  OK  ] Finished Update UTMP about System Boot/Shutdown.

 2799 08:44:58.948443  [  OK  ] Created slice system-systemd\x2dbacklight.slice.

 2800 08:44:58.976155           Starting Load/Save Screen …ess of backlight:amdgpu_bl0...

 2801 08:44:59.115518  [  OK  ] Found device /dev/ttyS0.

 2802 08:44:59.189774  [  OK  ] Reached target Sound Card.

 2803 08:44:59.258976  [FAILED] Failed to start Load/Save …tness of backlight:amdgpu_bl0.

 2804 08:44:59.346730  See 'systemctl status systemd-backlight…klight:amdgpu_bl0.service' for details.

 2805 08:44:59.747888  [  OK  ] Listening on Load/Save RF …itch Status /dev/rfkill Watch.

 2806 08:44:59.798280  [  OK  ] Started Network Time Synchronization.

 2807 08:44:59.807803  [  OK  ] Reached target System Initialization.

 2808 08:44:59.821121  [  OK  ] Started Daily Cleanup of Temporary Directories.

 2809 08:44:59.829001  [  OK  ] Reached target System Time Set.

 2810 08:44:59.837838  [  OK  ] Reached target System Time Synchronized.

 2811 08:44:59.859760  [  OK  ] Started Daily apt download activities.

 2812 08:44:59.873979  [  OK  ] Started Daily apt upgrade and clean activities.

 2813 08:44:59.885416  [  OK  ] Started Periodic ext4 Onli…ata Check for All Filesystems.

 2814 08:44:59.896943  [  OK  ] Started Discard unused blocks once a week.

 2815 08:44:59.905053  [  OK  ] Reached target Timers.

 2816 08:44:59.919863  [  OK  ] Listening on D-Bus System Message Bus Socket.

 2817 08:44:59.927011  [  OK  ] Reached target Sockets.

 2818 08:44:59.933601  [  OK  ] Reached target Basic System.

 2819 08:44:59.941082  [  OK  ] Started D-Bus System Message Bus.

 2820 08:44:59.973891           Starting Remove Stale Onli…t4 Metadata Check Snapshots...

 2821 08:45:00.009949           Starting User Login Management...

 2822 08:45:00.016753  [  OK  ] Started Network Service.

 2823 08:45:00.061256           Starting Network Name Resolution...

 2824 08:45:00.353025  [  OK  ] Started User Login Management.

 2825 08:45:00.393609  [  OK  ] Finished Remove Stale Onli…ext4 Metadata Check Snapshots.

 2826 08:45:00.914575  [  OK  ] Started Network Name Resolution.

 2827 08:45:00.924854  [  OK  ] Reached target Network.

 2828 08:45:00.936968  [  OK  ] Reached target Host and Network Name Lookups.

 2829 08:45:00.946106           Starting Permit User Sessions...

 2830 08:45:00.968529  [  OK  ] Finished Permit User Sessions.

 2831 08:45:00.979056  [  OK  ] Started Getty on tty1.

 2832 08:45:00.989091  [  OK  ] Started Serial Getty on ttyS0.

 2833 08:45:00.998383  [  OK  ] Reached target Login Prompts.

 2834 08:45:01.005004  [  OK  ] Reached target Multi-User System.

 2835 08:45:01.014531  [  OK  ] Reached target Graphical Interface.

 2836 08:45:01.031626           Starting Update UTMP about System Runlevel Changes...

 2837 08:45:01.057824  [  OK  ] Finished Update UTMP about System Runlevel Changes.

 2838 08:45:01.132057  

 2839 08:45:01.132181  

 2840 08:45:01.135811  Debian GNU/Linux 11 debian-bullseye-amd64 ttyS0

 2841 08:45:01.135896  

 2842 08:45:01.138939  debian-bullseye-amd64 login: root (automatic login)

 2843 08:45:01.139024  

 2844 08:45:01.139107  

 2845 08:45:01.439389  Linux debian-bullseye-amd64 5.10.209-cip44 #1 SMP Thu Feb 29 08:18:41 UTC 2024 x86_64

 2846 08:45:01.439537  

 2847 08:45:01.445826  The programs included with the Debian GNU/Linux system are free software;

 2848 08:45:01.452108  the exact distribution terms for each program are described in the

 2849 08:45:01.455835  individual files in /usr/share/doc/*/copyright.

 2850 08:45:01.455919  

 2851 08:45:01.461959  Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent

 2852 08:45:01.462046  permitted by applicable law.

 2853 08:45:02.074588  Matched prompt #10: / #
 2855 08:45:02.075959  Kernel warnings or errors detected.
 2856 08:45:02.076349  Setting prompt string to ['/ #']
 2857 08:45:02.076839  end: 2.2.5.1 login-action (duration 00:00:18) [common]
 2859 08:45:02.078333  end: 2.2.5 auto-login-action (duration 00:00:20) [common]
 2860 08:45:02.078475  start: 2.2.6 expect-shell-connection (timeout 00:04:12) [common]
 2861 08:45:02.078545  Setting prompt string to ['/ #']
 2862 08:45:02.078605  Forcing a shell prompt, looking for ['/ #']
 2864 08:45:02.129007  / # 

 2865 08:45:02.129374  expect-shell-connection: Wait for prompt ['/ #'] (timeout 00:05:00)
 2866 08:45:02.129661  Waiting using forced prompt support (timeout 00:02:30)
 2867 08:45:02.135968  

 2868 08:45:02.136723  end: 2.2.6 expect-shell-connection (duration 00:00:00) [common]
 2869 08:45:02.137158  start: 2.2.7 export-device-env (timeout 00:04:12) [common]
 2871 08:45:02.238406  / # export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/12894244/extract-nfsrootfs-imj71vpv'

 2872 08:45:02.245475  export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/12894244/extract-nfsrootfs-imj71vpv'

 2874 08:45:02.347103  / # export NFS_SERVER_IP='192.168.201.1'

 2875 08:45:02.352833  export NFS_SERVER_IP='192.168.201.1'

 2876 08:45:02.353590  end: 2.2.7 export-device-env (duration 00:00:00) [common]
 2877 08:45:02.354129  end: 2.2 depthcharge-retry (duration 00:00:48) [common]
 2878 08:45:02.354594  end: 2 depthcharge-action (duration 00:00:48) [common]
 2879 08:45:02.355032  start: 3 lava-test-retry (timeout 00:08:46) [common]
 2880 08:45:02.355503  start: 3.1 lava-test-shell (timeout 00:08:46) [common]
 2881 08:45:02.355873  Using namespace: common
 2883 08:45:02.457154  / # #

 2884 08:45:02.457793  lava-test-shell: Wait for prompt ['/ #'] (timeout 00:10:00)
 2885 08:45:02.463700  #

 2886 08:45:02.464558  Using /lava-12894244
 2888 08:45:02.565899  / # export SHELL=/bin/bash

 2889 08:45:02.572707  export SHELL=/bin/bash

 2891 08:45:02.674186  / # . /lava-12894244/environment

 2892 08:45:02.680322  . /lava-12894244/environment

 2894 08:45:02.786693  / # /lava-12894244/bin/lava-test-runner /lava-12894244/0

 2895 08:45:02.787283  Test shell timeout: 10s (minimum of the action and connection timeout)
 2896 08:45:02.793154  /lava-12894244/bin/lava-test-runner /lava-12894244/0

 2897 08:45:03.048294  + export TESTRUN_ID=0_timesync-off

 2898 08:45:03.051368  + TESTRUN_ID=0_timesync-off

 2899 08:45:03.054639  + cd /lava-12894244/0/tests/0_timesync-off

 2900 08:45:03.058015  ++ cat uuid

 2901 08:45:03.058443  + UUID=12894244_1.5.2.3.1

 2902 08:45:03.061076  + set +x

 2903 08:45:03.064348  <LAVA_SIGNAL_STARTRUN 0_timesync-off 12894244_1.5.2.3.1>

 2904 08:45:03.065052  Received signal: <STARTRUN> 0_timesync-off 12894244_1.5.2.3.1
 2905 08:45:03.065420  Starting test lava.0_timesync-off (12894244_1.5.2.3.1)
 2906 08:45:03.065826  Skipping test definition patterns.
 2907 08:45:03.067538  + systemctl stop systemd-timesyncd

 2908 08:45:03.112802  <6>[   20.279346] systemd-timesyn (235) used greatest stack depth: 12448 bytes left

 2909 08:45:03.119367  + set +x

 2910 08:45:03.122444  <LAVA_SIGNAL_ENDRUN 0_timesync-off 12894244_1.5.2.3.1>

 2911 08:45:03.123124  Received signal: <ENDRUN> 0_timesync-off 12894244_1.5.2.3.1
 2912 08:45:03.123529  Ending use of test pattern.
 2913 08:45:03.123853  Ending test lava.0_timesync-off (12894244_1.5.2.3.1), duration 0.06
 2915 08:45:03.222973  + export TESTRUN_ID=1_kselftest-lkdtm

 2916 08:45:03.223474  + TESTRUN_ID=1_kselftest-lkdtm

 2917 08:45:03.229620  + cd /lava-12894244/0/tests/1_kselftest-lkdtm

 2918 08:45:03.230088  ++ cat uuid

 2919 08:45:03.237286  + UUID=12894244_1.5.2.3.5

 2920 08:45:03.237716  + set +x

 2921 08:45:03.243580  <LAVA_SIGNAL_STARTRUN 1_kselftest-lkdtm 12894244_1.5.2.3.5>

 2922 08:45:03.244262  Received signal: <STARTRUN> 1_kselftest-lkdtm 12894244_1.5.2.3.5
 2923 08:45:03.244621  Starting test lava.1_kselftest-lkdtm (12894244_1.5.2.3.5)
 2924 08:45:03.245011  Skipping test definition patterns.
 2925 08:45:03.247112  + cd ./automated/linux/kselftest/

 2926 08:45:03.276769  + ./kselftest.sh -c lkdtm -T '' -t kselftest_armhf.tar.gz -s True -u http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.209-cip44-56-g55117716ac0fd/x86_64/x86_64_defconfig+x86-board+kselftest/gcc-10/kselftest.tar.xz -L '' -S /dev/null -b hp-11A-G6-EE-grunt -g cip-gitlab -e '' -p /opt/kselftests/mainline/ -n 1 -i 1

 2927 08:45:03.328602  INFO: install_deps skipped

 2928 08:45:03.455577  --2024-02-29 08:44:25--  http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.209-cip44-56-g55117716ac0fd/x86_64/x86_64_defconfig+x86-board+kselftest/gcc-10/kselftest.tar.xz

 2929 08:45:03.475291  Resolving storage.kernelci.org (storage.kernelci.org)... 20.171.243.82

 2930 08:45:03.608495  Connecting to storage.kernelci.org (storage.kernelci.org)|20.171.243.82|:80... connected.

 2931 08:45:03.744208  HTTP request sent, awaiting response... 200 OK

 2932 08:45:03.747640  Length: 3552592 (3.4M) [application/octet-stream]

 2933 08:45:03.751180  Saving to: 'kselftest.tar.xz'

 2934 08:45:03.751703  

 2935 08:45:03.752041  

 2936 08:45:04.011108  kselftest.tar.xz      0%[                    ]       0  --.-KB/s               

 2937 08:45:04.277029  kselftest.tar.xz      1%[                    ]  46.39K   175KB/s               

 2938 08:45:04.725340  kselftest.tar.xz      6%[>                   ] 214.67K   404KB/s               

 2939 08:45:05.000821  kselftest.tar.xz     23%[===>                ] 818.47K   835KB/s               

 2940 08:45:05.208923  kselftest.tar.xz     69%[============>       ]   2.36M  1.88MB/s               

 2941 08:45:05.247911  kselftest.tar.xz     93%[=================>  ]   3.18M  2.17MB/s               

 2942 08:45:05.254467  kselftest.tar.xz    100%[===================>]   3.39M  2.25MB/s    in 1.5s    

 2943 08:45:05.255067  

 2944 08:45:05.560039  2024-02-29 08:44:27 (2.25 MB/s) - 'kselftest.tar.xz' saved [3552592/3552592]

 2945 08:45:05.560195  

 2946 08:45:05.573752  <6>[   22.740860] basename (319) used greatest stack depth: 12368 bytes left

 2947 08:45:13.248045  skiplist:

 2948 08:45:13.251054  ========================================

 2949 08:45:13.254440  ========================================

 2950 08:45:13.285276  lkdtm:PANIC.sh

 2951 08:45:13.285386  lkdtm:BUG.sh

 2952 08:45:13.288881  lkdtm:WARNING.sh

 2953 08:45:13.288980  lkdtm:WARNING_MESSAGE.sh

 2954 08:45:13.292218  lkdtm:EXCEPTION.sh

 2955 08:45:13.292315  lkdtm:LOOP.sh

 2956 08:45:13.295223  lkdtm:EXHAUST_STACK.sh

 2957 08:45:13.298603  lkdtm:CORRUPT_STACK.sh

 2958 08:45:13.298704  lkdtm:CORRUPT_STACK_STRONG.sh

 2959 08:45:13.301945  lkdtm:CORRUPT_LIST_ADD.sh

 2960 08:45:13.305201  lkdtm:CORRUPT_LIST_DEL.sh

 2961 08:45:13.308663  lkdtm:STACK_GUARD_PAGE_LEADING.sh

 2962 08:45:13.312083  lkdtm:STACK_GUARD_PAGE_TRAILING.sh

 2963 08:45:13.312190  lkdtm:UNSET_SMEP.sh

 2964 08:45:13.315415  lkdtm:DOUBLE_FAULT.sh

 2965 08:45:13.315518  lkdtm:CORRUPT_PAC.sh

 2966 08:45:13.318345  lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh

 2967 08:45:13.322139  lkdtm:OVERWRITE_ALLOCATION.sh

 2968 08:45:13.325257  lkdtm:WRITE_AFTER_FREE.sh

 2969 08:45:13.328671  lkdtm:READ_AFTER_FREE.sh

 2970 08:45:13.328771  lkdtm:WRITE_BUDDY_AFTER_FREE.sh

 2971 08:45:13.331765  lkdtm:READ_BUDDY_AFTER_FREE.sh

 2972 08:45:13.334976  lkdtm:SLAB_FREE_DOUBLE.sh

 2973 08:45:13.338459  lkdtm:SLAB_FREE_CROSS.sh

 2974 08:45:13.338533  lkdtm:SLAB_FREE_PAGE.sh

 2975 08:45:13.341704  lkdtm:SOFTLOCKUP.sh

 2976 08:45:13.341808  lkdtm:HARDLOCKUP.sh

 2977 08:45:13.345250  lkdtm:SPINLOCKUP.sh

 2978 08:45:13.348804  lkdtm:HUNG_TASK.sh

 2979 08:45:13.349418  lkdtm:EXEC_DATA.sh

 2980 08:45:13.352096  lkdtm:EXEC_STACK.sh

 2981 08:45:13.352665  lkdtm:EXEC_KMALLOC.sh

 2982 08:45:13.355386  lkdtm:EXEC_VMALLOC.sh

 2983 08:45:13.355977  lkdtm:EXEC_RODATA.sh

 2984 08:45:13.358574  lkdtm:EXEC_USERSPACE.sh

 2985 08:45:13.361880  lkdtm:EXEC_NULL.sh

 2986 08:45:13.362383  lkdtm:ACCESS_USERSPACE.sh

 2987 08:45:13.365479  lkdtm:ACCESS_NULL.sh

 2988 08:45:13.366105  lkdtm:WRITE_RO.sh

 2989 08:45:13.368576  lkdtm:WRITE_RO_AFTER_INIT.sh

 2990 08:45:13.372274  lkdtm:WRITE_KERN.sh

 2991 08:45:13.375046  lkdtm:REFCOUNT_INC_OVERFLOW.sh

 2992 08:45:13.375633  lkdtm:REFCOUNT_ADD_OVERFLOW.sh

 2993 08:45:13.378399  lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh

 2994 08:45:13.381746  lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh

 2995 08:45:13.385049  lkdtm:REFCOUNT_DEC_ZERO.sh

 2996 08:45:13.388785  lkdtm:REFCOUNT_DEC_NEGATIVE.sh

 2997 08:45:13.391979  lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh

 2998 08:45:13.395036  lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh

 2999 08:45:13.398343  lkdtm:REFCOUNT_INC_ZERO.sh

 3000 08:45:13.401740  lkdtm:REFCOUNT_ADD_ZERO.sh

 3001 08:45:13.404977  lkdtm:REFCOUNT_INC_SATURATED.sh

 3002 08:45:13.405571  lkdtm:REFCOUNT_DEC_SATURATED.sh

 3003 08:45:13.408247  lkdtm:REFCOUNT_ADD_SATURATED.sh

 3004 08:45:13.411467  lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh

 3005 08:45:13.414897  lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh

 3006 08:45:13.421595  lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh

 3007 08:45:13.424567  lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh

 3008 08:45:13.425121  lkdtm:REFCOUNT_TIMING.sh

 3009 08:45:13.428105  lkdtm:ATOMIC_TIMING.sh

 3010 08:45:13.431177  lkdtm:USERCOPY_HEAP_SIZE_TO.sh

 3011 08:45:13.434517  lkdtm:USERCOPY_HEAP_SIZE_FROM.sh

 3012 08:45:13.437795  lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh

 3013 08:45:13.441114  lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh

 3014 08:45:13.444475  lkdtm:USERCOPY_STACK_FRAME_TO.sh

 3015 08:45:13.447908  lkdtm:USERCOPY_STACK_FRAME_FROM.sh

 3016 08:45:13.448384  lkdtm:USERCOPY_STACK_BEYOND.sh

 3017 08:45:13.451066  lkdtm:USERCOPY_KERNEL.sh

 3018 08:45:13.454436  lkdtm:STACKLEAK_ERASING.sh

 3019 08:45:13.457778  lkdtm:CFI_FORWARD_PROTO.sh

 3020 08:45:13.460888  ============== Tests to run ===============

 3021 08:45:13.461309  lkdtm:PANIC.sh

 3022 08:45:13.464365  lkdtm:BUG.sh

 3023 08:45:13.464803  lkdtm:WARNING.sh

 3024 08:45:13.467998  lkdtm:WARNING_MESSAGE.sh

 3025 08:45:13.468478  lkdtm:EXCEPTION.sh

 3026 08:45:13.470776  lkdtm:LOOP.sh

 3027 08:45:13.471196  lkdtm:EXHAUST_STACK.sh

 3028 08:45:13.474372  lkdtm:CORRUPT_STACK.sh

 3029 08:45:13.477435  lkdtm:CORRUPT_STACK_STRONG.sh

 3030 08:45:13.477853  lkdtm:CORRUPT_LIST_ADD.sh

 3031 08:45:13.480924  lkdtm:CORRUPT_LIST_DEL.sh

 3032 08:45:13.484563  lkdtm:STACK_GUARD_PAGE_LEADING.sh

 3033 08:45:13.487329  lkdtm:STACK_GUARD_PAGE_TRAILING.sh

 3034 08:45:13.491167  lkdtm:UNSET_SMEP.sh

 3035 08:45:13.491704  lkdtm:DOUBLE_FAULT.sh

 3036 08:45:13.494343  lkdtm:CORRUPT_PAC.sh

 3037 08:45:13.497705  lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh

 3038 08:45:13.498165  lkdtm:OVERWRITE_ALLOCATION.sh

 3039 08:45:13.500738  lkdtm:WRITE_AFTER_FREE.sh

 3040 08:45:13.504095  lkdtm:READ_AFTER_FREE.sh

 3041 08:45:13.507339  lkdtm:WRITE_BUDDY_AFTER_FREE.sh

 3042 08:45:13.510930  lkdtm:READ_BUDDY_AFTER_FREE.sh

 3043 08:45:13.511395  lkdtm:SLAB_FREE_DOUBLE.sh

 3044 08:45:13.513980  lkdtm:SLAB_FREE_CROSS.sh

 3045 08:45:13.517330  lkdtm:SLAB_FREE_PAGE.sh

 3046 08:45:13.517808  lkdtm:SOFTLOCKUP.sh

 3047 08:45:13.520629  lkdtm:HARDLOCKUP.sh

 3048 08:45:13.521180  lkdtm:SPINLOCKUP.sh

 3049 08:45:13.524114  lkdtm:HUNG_TASK.sh

 3050 08:45:13.524673  lkdtm:EXEC_DATA.sh

 3051 08:45:13.527051  lkdtm:EXEC_STACK.sh

 3052 08:45:13.530357  lkdtm:EXEC_KMALLOC.sh

 3053 08:45:13.530804  lkdtm:EXEC_VMALLOC.sh

 3054 08:45:13.533574  lkdtm:EXEC_RODATA.sh

 3055 08:45:13.534020  lkdtm:EXEC_USERSPACE.sh

 3056 08:45:13.537066  lkdtm:EXEC_NULL.sh

 3057 08:45:13.540535  lkdtm:ACCESS_USERSPACE.sh

 3058 08:45:13.541083  lkdtm:ACCESS_NULL.sh

 3059 08:45:13.543512  lkdtm:WRITE_RO.sh

 3060 08:45:13.543932  lkdtm:WRITE_RO_AFTER_INIT.sh

 3061 08:45:13.546778  lkdtm:WRITE_KERN.sh

 3062 08:45:13.550554  lkdtm:REFCOUNT_INC_OVERFLOW.sh

 3063 08:45:13.553535  lkdtm:REFCOUNT_ADD_OVERFLOW.sh

 3064 08:45:13.556846  lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh

 3065 08:45:13.560353  lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh

 3066 08:45:13.563353  lkdtm:REFCOUNT_DEC_ZERO.sh

 3067 08:45:13.563878  lkdtm:REFCOUNT_DEC_NEGATIVE.sh

 3068 08:45:13.566707  lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh

 3069 08:45:13.573075  lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh

 3070 08:45:13.573560  lkdtm:REFCOUNT_INC_ZERO.sh

 3071 08:45:13.576895  lkdtm:REFCOUNT_ADD_ZERO.sh

 3072 08:45:13.579716  lkdtm:REFCOUNT_INC_SATURATED.sh

 3073 08:45:13.583322  lkdtm:REFCOUNT_DEC_SATURATED.sh

 3074 08:45:13.586995  lkdtm:REFCOUNT_ADD_SATURATED.sh

 3075 08:45:13.589918  lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh

 3076 08:45:13.593528  lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh

 3077 08:45:13.596668  lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh

 3078 08:45:13.600088  lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh

 3079 08:45:13.603590  lkdtm:REFCOUNT_TIMING.sh

 3080 08:45:13.604009  lkdtm:ATOMIC_TIMING.sh

 3081 08:45:13.606595  lkdtm:USERCOPY_HEAP_SIZE_TO.sh

 3082 08:45:13.610162  lkdtm:USERCOPY_HEAP_SIZE_FROM.sh

 3083 08:45:13.613219  lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh

 3084 08:45:13.616180  lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh

 3085 08:45:13.619895  lkdtm:USERCOPY_STACK_FRAME_TO.sh

 3086 08:45:13.623021  lkdtm:USERCOPY_STACK_FRAME_FROM.sh

 3087 08:45:13.626378  lkdtm:USERCOPY_STACK_BEYOND.sh

 3088 08:45:13.626796  lkdtm:USERCOPY_KERNEL.sh

 3089 08:45:13.629624  lkdtm:STACKLEAK_ERASING.sh

 3090 08:45:13.632948  lkdtm:CFI_FORWARD_PROTO.sh

 3091 08:45:13.636354  ===========End Tests to run ===============

 3092 08:45:13.639414  shardfile-lkdtm pass

 3093 08:45:13.985743  <12>[   31.156037] kselftest: Running tests in lkdtm

 3094 08:45:13.996107  TAP version 13

 3095 08:45:14.010257  1..70

 3096 08:45:14.020544  # selftests: lkdtm: PANIC.sh

 3097 08:45:14.418576  # Skipping PANIC: crashes entire system

 3098 08:45:14.421505  ok 1 selftests: lkdtm: PANIC.sh # SKIP

 3099 08:45:14.426365  # selftests: lkdtm: BUG.sh

 3100 08:45:14.561909  <6>[   31.731827] lkdtm: Performing direct entry BUG

 3101 08:45:14.565765  <4>[   31.736723] ------------[ cut here ]------------

 3102 08:45:14.571669  <2>[   31.741642] kernel BUG at drivers/misc/lkdtm/bugs.c:76!

 3103 08:45:14.578282  <4>[   31.747193] invalid opcode: 0000 [#1] SMP NOPTI

 3104 08:45:14.585497  <4>[   31.751980] CPU: 1 PID: 624 Comm: cat Tainted: G        W         5.10.209-cip44 #1

 3105 08:45:14.591782  <4>[   31.759881] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 3106 08:45:14.594778  <4>[   31.766057] RIP: 0010:lkdtm_BUG+0x5/0x10

 3107 08:45:14.614844  <4>[   31.770237] Code: 89 ff e8 5e d2 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 e9 88 a8 00 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 d0 9a 2a 03

 3108 08:45:14.621654  <4>[   31.789234] RSP: 0018:ffffa2db00c4fe60 EFLAGS: 00010282

 3109 08:45:14.627927  <4>[   31.794710] RAX: ffffffff9237c220 RBX: 0000000000000001 RCX: 0000000000000000

 3110 08:45:14.634756  <4>[   31.802093] RDX: 0000000000000000 RSI: ffff947f2ad1bf50 RDI: ffffffff93794030

 3111 08:45:14.641392  <4>[   31.809475] RBP: ffffffff93c7e9e8 R08: 0000000000000001 R09: 0000000000000001

 3112 08:45:14.651172  <4>[   31.816858] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3113 08:45:14.658059  <4>[   31.824239] R13: ffffa2db00c4ff10 R14: ffffa2db00c4ff10 R15: ffff947f03a8f000

 3114 08:45:14.664396  <4>[   31.831622] FS:  00007f6d46cee3c0(0000) GS:ffff947f2ad00000(0000) knlGS:0000000000000000

 3115 08:45:14.670569  <4>[   31.839957] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3116 08:45:14.677414  <4>[   31.845953] CR2: 00007f6d46abf000 CR3: 00000001048ba000 CR4: 00000000001506e0

 3117 08:45:14.680445  <4>[   31.853333] Call Trace:

 3118 08:45:14.683857  <4>[   31.856042]  ? __die_body.cold+0x1a/0x1f

 3119 08:45:14.687057  <4>[   31.860222]  ? die+0x2b/0x50

 3120 08:45:14.690518  <4>[   31.863358]  ? do_trap+0x91/0x110

 3121 08:45:14.696965  <4>[   31.866925]  ? lkdtm_BUG+0x5/0x10

 3122 08:45:14.700521  <4>[   31.870495]  ? do_error_trap+0x90/0x110

 3123 08:45:14.703979  <4>[   31.874584]  ? lkdtm_BUG+0x5/0x10

 3124 08:45:14.707152  <4>[   31.878153]  ? lkdtm_BUG+0x5/0x10

 3125 08:45:14.710465  <4>[   31.881727]  ? exc_invalid_op+0x4e/0x70

 3126 08:45:14.714041  <4>[   31.885815]  ? lkdtm_BUG+0x5/0x10

 3127 08:45:14.719868  <4>[   31.889388]  ? asm_exc_invalid_op+0x12/0x20

 3128 08:45:14.723426  <4>[   31.893824]  ? direct_entry+0xe0/0xe0

 3129 08:45:14.726957  <4>[   31.897743]  ? lkdtm_BUG+0x5/0x10

 3130 08:45:14.729936  <4>[   31.901315]  direct_entry.cold+0x2c/0x38

 3131 08:45:14.733388  <4>[   31.905496]  full_proxy_write+0x56/0x80

 3132 08:45:14.736540  <4>[   31.909589]  vfs_write+0xea/0x3b0

 3133 08:45:14.743387  <4>[   31.913160]  ksys_write+0x68/0xf0

 3134 08:45:14.746678  <4>[   31.916728]  do_syscall_64+0x33/0x40

 3135 08:45:14.750251  <4>[   31.920559]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 3136 08:45:14.753216  <4>[   31.925863] RIP: 0033:0x7f6d46bcb473

 3137 08:45:14.773184  <4>[   31.929694] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 3138 08:45:14.782759  <4>[   31.948688] RSP: 002b:00007fff10872828 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3139 08:45:14.789344  <4>[   31.956505] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f6d46bcb473

 3140 08:45:14.796188  <4>[   31.963886] RDX: 0000000000000004 RSI: 00007f6d46abf000 RDI: 0000000000000001

 3141 08:45:14.802882  <4>[   31.971268] RBP: 00007f6d46abf000 R08: 00007f6d46abe010 R09: 0000000000000000

 3142 08:45:14.812930  <4>[   31.978649] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3143 08:45:14.819196  <4>[   31.986031] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3144 08:45:14.859289  <4>[   31.993418] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common cros_ec_dev snd_soc_acp_da7219mx98357_mach designware_i2s cros_usbpd_notify snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 3145 08:45:14.859906  

 3146 08:45:14.860289  

 3147 08:45:14.865912  coreboot-56f9d1cd49 Thu Sep  5 21:57:06 UTC 2019 smm starting...

 3148 08:45:14.866406  

 3149 08:45:14.866769  SMI# #1

 3150 08:45:14.869462  GSMI Set Event Log (type=0xdead instance=0x3)

 3151 08:45:14.872708  FMAP: Found "FLASH" version 1.1 at d7f000.

 3152 08:45:14.879143  FMAP: base = ff000000 size = 1000000 #areas = 30

 3153 08:45:14.882304  FMAP: area RW_ELOG found @ 45d000 (16384 bytes)

 3154 08:45:14.882843  Manufacturer: ef

 3155 08:45:14.889500  SF: Detected W25Q128FW with sector size 0x1000, total 0x1000000

 3156 08:45:14.892467  ELOG: NV offset 0x45d000 size 0x4000

 3157 08:45:14.901628  ELOG: area is 4096 bytes, full threshold 3842, shrink size 1024

 3158 08:45:14.908697  ELOG: Event(81) added with size 13 at 2024-02-29 08:44:37 UTC

 3159 08:45:14.911376  <0>[   32.082780] gsmi: Log Shutdown Reason 0x03

 3160 08:45:14.917873  <4>[   32.087282] ---[ end trace 2f8aaab59271fecc ]---

 3161 08:45:14.921377  <4>[   32.092224] RIP: 0010:lkdtm_BUG+0x5/0x10

 3162 08:45:14.941127  <4>[   32.096512] Code: 89 ff e8 5e d2 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 e9 88 a8 00 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 d0 9a 2a 03

 3163 08:45:14.944447  <4>[   32.115568] RSP: 0018:ffffa2db00c4fe60 EFLAGS: 00010282

 3164 08:45:14.954884  <4>[   32.121093] RAX: ffffffff9237c220 RBX: 0000000000000001 RCX: 0000000000000000

 3165 08:45:14.961313  <4>[   32.128528] RDX: 0000000000000000 RSI: ffff947f2ad1bf50 RDI: ffffffff93794030

 3166 08:45:14.968223  <4>[   32.135944] RBP: ffffffff93c7e9e8 R08: 0000000000000001 R09: 0000000000000001

 3167 08:45:14.974428  <4>[   32.143350] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3168 08:45:14.984524  <4>[   32.150791] R13: ffffa2db00c4ff10 R14: ffffa2db00c4ff10 R15: ffff947f03a8f000

 3169 08:45:14.990877  <4>[   32.158268] FS:  00007f6d46cee3c0(0000) GS:ffff947f2ad00000(0000) knlGS:0000000000000000

 3170 08:45:14.998087  <4>[   32.166641] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3171 08:45:15.004374  <4>[   32.172679] CR2: 00007f6d46abf000 CR3: 00000001048ba000 CR4: 00000000001506e0

 3172 08:45:15.007394  # Segmentation fault

 3173 08:45:15.071381  # [   31.731827] lkdtm: Performing direct entry BUG

 3174 08:45:15.074559  # [   31.736723] ------------[ cut here ]------------

 3175 08:45:15.081467  # [   31.741642] kernel BUG at drivers/misc/lkdtm/bugs.c:76!

 3176 08:45:15.084894  # [   31.747193] invalid opcode: 0000 [#1] SMP NOPTI

 3177 08:45:15.094669  # [   31.751980] CPU: 1 PID: 624 Comm: cat Tainted: G        W         5.10.209-cip44 #1

 3178 08:45:15.101313  # [   31.759881] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 3179 08:45:15.104386  # [   31.766057] RIP: 0010:lkdtm_BUG+0x5/0x10

 3180 08:45:15.124105  # [   31.770237] Code: 89 ff e8 5e d2 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 e9 88 a8 00 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 d0 9a 2a 03

 3181 08:45:15.127658  # [   31.789234] RSP: 0018:ffffa2db00c4fe60 EFLAGS: 00010282

 3182 08:45:15.133970  # [   31.794710] RAX: ffffffff9237c220 RBX: 0000000000000001 RCX: 0000000000000000

 3183 08:45:15.144301  # [   31.802093] RDX: 0000000000000000 RSI: ffff947f2ad1bf50 RDI: ffffffff93794030

 3184 08:45:15.150648  # [   31.809475] RBP: ffffffff93c7e9e8 R08: 0000000000000001 R09: 0000000000000001

 3185 08:45:15.157547  # [   31.816858] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3186 08:45:15.163968  # [   31.824239] R13: ffffa2db00c4ff10 R14: ffffa2db00c4ff10 R15: ffff947f03a8f000

 3187 08:45:15.173638  # [   31.831622] FS:  00007f6d46cee3c0(0000) GS:ffff947f2ad00000(0000) knlGS:0000000000000000

 3188 08:45:15.176996  # [   31.839957] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3189 08:45:15.187221  # [   31.845953] CR2: 00007f6d46abf000 CR3: 00000001048ba000 CR4: 00000000001506e0

 3190 08:45:15.187754  # [   31.853333] Call Trace:

 3191 08:45:15.193679  # [   31.856042]  ? __die_body.cold+0x1a/0x1f

 3192 08:45:15.196985  # [   31.860222]  ? die+0x2b/0x50

 3193 08:45:15.200404  # [   31.863358]  ? do_trap+0x91/0x110

 3194 08:45:15.203443  # [   31.866925]  ? lkdtm_BUG+0x5/0x10

 3195 08:45:15.210114  # [   31.870495]  ?<6>[   32.370741] lkdtm: Performing direct entry WARNING

 3196 08:45:15.210746   do_error_trap+0x90/0x110

 3197 08:45:15.213310  # [   31.874584]  ? lkdtm_BUG+0x5/0x10

 3198 08:45:15.217334  # [   31.878153]  ? lkdtm_BUG+0x5/0x10

 3199 08:45:15.223795  # [   31.881727]  ? exc_invalid_op+0x4e/0x70

 3200 08:45:15.226957  # [   31.885815]  ? lkdtm_BUG+0x5/0x10

 3201 08:45:15.229813  # [   31.889388]  ? asm_exc_invalid_op+0x12/0x20

 3202 08:45:15.236352  # [   31.8938<4>[   32.384283] ------------[ cut here ]------------

 3203 08:45:15.239690  24]  ? direct_entry+0xe0/0xe0

 3204 08:45:15.243030  # [   31.897743]  ? lkdtm_BUG+0x5/0x10

 3205 08:45:15.246390  # [   31.901315]  direct_entry.cold+0x2c/0x38

 3206 08:45:15.249889  # [   31.905496]  full_proxy_write+0x56/0x80

 3207 08:45:15.253337  # [   31.909589]  vfs_write+0xea/0x3b0

 3208 08:45:15.256930  # [   31.913160]  ksys_write+0x68/0xf0

 3209 08:45:15.266527  # [   31.916<4>[   32.411309] WARNING: CPU: 1 PID: 662 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20

 3210 08:45:15.269687  728]  do_syscall_64+0x33/0x40

 3211 08:45:15.276251  # [   31.920559]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 3212 08:45:15.279540  # [   31.925863] RIP: 0033:0x7f6d46bcb473

 3213 08:45:15.329651  # [   31.929694] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 <4>[   32.442152] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common cros_ec_dev snd_soc_acp_da7219mx98357_mach designware_i2s cros_usbpd_notify snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 3214 08:45:15.335703  75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 3215 08:45:15.345868  # [   31.948688] RSP: 002b:00007fff10872828 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3216 08:45:15.359115  # [   31.956505] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007<4>[   32.504217] CPU: 1 PID: 662 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 3217 08:45:15.359603  f6d46bcb473

 3218 08:45:15.368966  # [   31.963886] RDX: 0000000000000004 RSI: 00007f6d46abf000 RDI: 0000000000000001

 3219 08:45:15.375742  # [   31.971268] RBP: 00007f6d46abf000 R08: 00007f6d46abe010 R09: 0000000000000000

 3220 08:45:15.388902  # [   31.978649] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 000000000<4>[   32.534329] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 3221 08:45:15.389382  0000001

 3222 08:45:15.395191  # [   31.986031] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3223 08:45:15.415391  # [   31.993418] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger gsmi uvcvide<4>[   32.562756] RIP: 0010:lkdtm_WARNING+0x13/0x20

 3224 08:45:15.454974  o videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common cros_ec_dev snd_soc_acp_da7219mx98357_mach designware_i2s cros_usbpd_notify snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd<4>[   32.589492] Code: c0 f4 ff ff ff eb c9 0f 1f 44 00 00 0f 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 d0 9a 2a 03 01 75 05 e9 bd 88 a8 00 <0f> 0b e9 b6 88 a8 00 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 b1 9a

 3225 08:45:15.458174  _compress snd_pcm_dmaengine regmap_i2c

 3226 08:45:15.464989  # [   32.082780] gsmi: Log Shutdown Reason 0x03

 3227 08:45:15.468281  # [   32.087282] ---[ end trace 2f8aaab59271fecc ]---

 3228 08:45:15.471337  # [   32.092224] RIP: 0010:lkdtm_BUG+0x5/0x10

 3229 08:45:15.484576  # [   32.096512] Code: 89 ff e8 5e d2 79 ff 48 c7 c0 ea ff ff ff <4>[   32.630711] RSP: 0018:ffffa2db00ccfe60 EFLAGS: 00010202

 3230 08:45:15.498216  eb de 48 c7 c0 ea ff ff ff e9 e9 88 a8 00 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 d0 9a 2a 03

 3231 08:45:15.501466  # [   32.115568] RSP: 0018:ffffa2db00c4fe60 EFLAGS: 00010282

 3232 08:45:15.514224  # [   32.121093] RAX: ffffffff9237c220 RB<4>[   32.658416] RAX: ffffffff9237c230 RBX: 0000000000000002 RCX: 0000000000000000

 3233 08:45:15.517646  X: 0000000000000001 RCX: 0000000000000000

 3234 08:45:15.524219  # [   32.128528] RDX: 0000000000000000 RSI: ffff947f2ad1bf50 RDI: ffffffff93794030

 3235 08:45:15.530619  # [   32.135944] RBP: ffffffff93c7e9e8 R08: 0000000000000001 R09: 0000000000000001

 3236 08:45:15.543960  # [   32.143350] R10: 00000000ffffe000 R11: 3<4>[   32.687951] RDX: 0000000000000000 RSI: ffff947f2ad1bf50 RDI: ffffffff93794040

 3237 08:45:15.547226  fffffffffffffff R12: 0000000000000004

 3238 08:45:15.553780  # [   32.150791] R13: ffffa2db00c4ff10 R14: ffffa2db00c4ff10 R15: ffff947f03a8f000

 3239 08:45:15.560847  # [   32.158268] FS:  00007f6d46cee3c0(0000) GS:ffff947f2ad00000(0000) knlGS:0000000000000000

 3240 08:45:15.570324  # [   32.166641] CS:  0010 DS: 0000 E<4>[   32.717508] RBP: ffffffff93c1a117 R08: 0000000000000000 R09: 0000000000000000

 3241 08:45:15.580506  S:<4>[   32.746966] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008

 3242 08:45:15.581051   0000 CR0: 0000000080050033

 3243 08:45:15.590748  # [   32.172679] CR2: 00007f6d46abf000 CR3: 00000001048ba000 CR4: 00000000001506e0

 3244 08:45:15.591205  # BUG: saw 'kernel BUG at': ok

 3245 08:45:15.593809  ok 2 selftests: lkdtm: BUG.sh

 3246 08:45:15.597352  # selftests: lkdtm: WARNING.sh

 3247 08:45:15.604026  <4>[   32.754522] R13: ffffa2db00ccff10 R14: ffffa2db00ccff10 R15: ffff947f06607000

 3248 08:45:15.613522  <4>[   32.779934] FS:  00007f13cac3f580(0000) GS:ffff947f2ad00000(0000) knlGS:0000000000000000

 3249 08:45:15.620329  <4>[   32.788344] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3250 08:45:15.626861  <4>[   32.794390] CR2: 00007f13caa0f000 CR3: 0000000103dbc000 CR4: 00000000001506e0

 3251 08:45:15.630041  <4>[   32.801821] Call Trace:

 3252 08:45:15.633578  <4>[   32.804585]  ? __warn+0x80/0x110

 3253 08:45:15.636767  <4>[   32.808108]  ? lkdtm_WARNING+0x13/0x20

 3254 08:45:15.639927  <4>[   32.812141]  ? report_bug+0x9e/0xc0

 3255 08:45:15.643382  <4>[   32.815905]  ? handle_bug+0x41/0x90

 3256 08:45:15.649830  <4>[   32.819669]  ? exc_invalid_op+0x14/0x70

 3257 08:45:15.653257  <4>[   32.823768]  ? asm_exc_invalid_op+0x12/0x20

 3258 08:45:15.656606  <4>[   32.828213]  ? lkdtm_BUG+0x10/0x10

 3259 08:45:15.660575  <4>[   32.831916]  ? lkdtm_WARNING+0x13/0x20

 3260 08:45:15.666997  <4>[   32.835929]  direct_entry.cold+0x2c/0x38

 3261 08:45:15.669910  <4>[   32.840116]  full_proxy_write+0x56/0x80

 3262 08:45:15.673283  <4>[   32.844216]  vfs_write+0xea/0x3b0

 3263 08:45:15.676951  <4>[   32.847794]  ksys_write+0x68/0xf0

 3264 08:45:15.680329  <4>[   32.851395]  do_syscall_64+0x33/0x40

 3265 08:45:15.686980  <4>[   32.855243]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 3266 08:45:15.690034  <4>[   32.860559] RIP: 0033:0x7f13cab1b473

 3267 08:45:15.710319  <4>[   32.864400] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 3268 08:45:15.716741  <4>[   32.883422] RSP: 002b:00007ffc8884ab58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3269 08:45:15.723603  <4>[   32.891249] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f13cab1b473

 3270 08:45:15.729880  <4>[   32.898641] RDX: 0000000000000008 RSI: 00007f13caa0f000 RDI: 0000000000000001

 3271 08:45:15.739682  <4>[   32.906033] RBP: 00007f13caa0f000 R08: 00007f13caa0e010 R09: 0000000000000000

 3272 08:45:15.746202  <4>[   32.913452] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3273 08:45:15.753122  <4>[   32.920850] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3274 08:45:15.756273  <4>[   32.928259] irq event stamp: 0

 3275 08:45:15.762826  <4>[   32.931577] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3276 08:45:15.773059  <4>[   32.938104] hardirqs last disabled at (0): [<ffffffff918fd6dc>] copy_process+0x65c/0x20e0

 3277 08:45:15.779389  <4>[   32.946545] softirqs last  enabled at (0): [<ffffffff918fd6dc>] copy_process+0x65c/0x20e0

 3278 08:45:15.785737  <4>[   32.954976] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3279 08:45:15.792525  <4>[   32.961499] ---[ end trace 2f8aaab59271fecd ]---

 3280 08:45:15.816429  # [   32.370741] lkdtm: Performing direct entry WARNING

 3281 08:45:15.819555  # [   32.384283] ------------[ cut here ]------------

 3282 08:45:15.829482  # [   32.411309] WARNING: CPU: 1 PID: 662 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20

 3283 08:45:15.869302  # [   32.442152] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common cros_ec_dev snd_soc_acp_da7219mx98357_mach designware_i2s cros_usbpd_notify snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 3284 08:45:15.876002  # [   32.504217] CPU: 1 PID: 662 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 3285 08:45:15.883227  # [   32.534329] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 3286 08:45:15.889270  # [   32.562756] RIP: 0010:lkdtm_WARNING+0x13/0x20

 3287 08:45:15.905921  # [   32.589492] Code: c0 f4 ff ff ff eb c9 0f 1f 44 00 00 0f 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 d0 9a 2a 03 01 75 05 e9 bd 88 a8 00 <0f> 0b e9 b6 88 a8 00 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 b1 9a

 3288 08:45:15.912367  # [   32.630711] RSP: 0018:ffffa2db00ccfe60 EFLAGS: 00010202

 3289 08:45:15.919258  # [   32.658416] RAX: ffffffff9237c230 RBX: 0000000000000002 RCX: 0000000000000000

 3290 08:45:15.925296  # [   32.687951] RDX: 0000000000000000 RSI: ffff947f2ad1bf50 RDI: ffffffff93794040

 3291 08:45:15.935518  # [   32.717508] RBP: ffffffff93c1a117 R08: 0000000000000000 R09: 0000000000000000

 3292 08:45:15.942202  # [   32.746966] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008

 3293 08:45:15.948908  # [   32.754522] R13: ffffa2db00ccff10 R14: ffffa2db00ccff10 R15: ffff947f06607000

 3294 08:45:15.955225  # [   32.779934] FS:  00007f13cac3f580(0000) GS:ffff947f2ad00000(0000) knlGS:0000000000000000

 3295 08:45:15.962241  # [   32.788344] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3296 08:45:15.968843  # <6>[   33.122475] lkdtm: Performing direct entry WARNING_MESSAGE

 3297 08:45:15.975408  [   32.794390] CR2: 00007f13caa0f000 CR3: 0000000103dbc000 CR4: 00000000001506e0

 3298 08:45:15.978865  # [   32.801821] Call Trace:

 3299 08:45:15.981734  # [   32.804585]  ? __warn+0x80/0x110

 3300 08:45:15.985468  # [   32.808108]  ? lkdtm_WARNING+0x13/0x20

 3301 08:45:15.988269  # [   32.812141]  ? report_bug+0x9e/0xc0

 3302 08:45:15.995084  # [   32.815905]  <4>[   33.143699] ------------[ cut here ]------------

 3303 08:45:15.998494  ? handle_bug+0x41/0x90

 3304 08:45:16.002047  # [   32.819669]  ? exc_invalid_op+0x14/0x70

 3305 08:45:16.005374  # [   32.823768]  ? asm_exc_invalid_op+0x12/0x20

 3306 08:45:16.008772  # [   32.828213]  ? lkdtm_BUG+0x10/0x10

 3307 08:45:16.015296  # [   32.831916]  ? lkdtm_WARNING+0x13/0x20

 3308 08:45:16.018878  # [   32.835929]  direct_entry.cold+0x2c/0x38

 3309 08:45:16.021864  # [<4>[   33.170766] Warning message trigger count: 2

 3310 08:45:16.024759     32.840116]  full_proxy_write+0x56/0x80

 3311 08:45:16.028076  # [   32.844216]  vfs_write+0xea/0x3b0

 3312 08:45:16.031917  # [   32.847794]  ksys_write+0x68/0xf0

 3313 08:45:16.038525  # [   32.851395]  do_syscall_64+0x33/0x40

 3314 08:45:16.041793  # [   32.855243]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 3315 08:45:16.054949  # [   32.860559] RIP: 0033:0x7<4>[   33.197588] WARNING: CPU: 1 PID: 698 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30

 3316 08:45:16.055518  f13cab1b473

 3317 08:45:16.074733  # [   32.864400] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 3318 08:45:16.117517  # [   32.883422] RSP: 002<4>[   33.229066] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common cros_ec_dev snd_soc_acp_da7219mx98357_mach designware_i2s cros_usbpd_notify snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 3319 08:45:16.121034  b:00007ffc8884ab58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3320 08:45:16.127274  # [   32.891249] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f13cab1b473

 3321 08:45:16.137568  # [   32.898641] RDX: 0000000000000008 RSI: 00007f13caa0f000 RDI: 0000000000000001

 3322 08:45:16.147626  # [   32.906033] RBP: 00<4>[   33.291243] CPU: 1 PID: 698 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 3323 08:45:16.150766  007f13caa0f000 R08: 00007f13caa0e010 R09: 0000000000000000

 3324 08:45:16.157461  # [   32.913452] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3325 08:45:16.167620  # [   32.920850] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3326 08:45:16.173723  # [   32.928259] irq event s<4>[   33.321291] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 3327 08:45:16.174401  tamp: 0

 3328 08:45:16.180479  # [   32.931577] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3329 08:45:16.190423  # [   32.938104] hardirqs last disabled at (0): [<ffffffff918fd6dc>] copy_process+0x65c/0x20e0

 3330 08:45:16.203813  # [   32.946545] softirqs last  enabled at (0): [<ffffffff918fd6dc>] copy_pro<4>[   33.349629] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30

 3331 08:45:16.204444  cess+0x65c/0x20e0

 3332 08:45:16.210100  # [   32.954976] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3333 08:45:16.213435  # [   32.961499] ---[ end trace 2f8aaab59271fecd ]---

 3334 08:45:16.216647  # WARNING: saw 'WARNING:': ok

 3335 08:45:16.219989  ok 3 selftests: lkdtm: WARNING.sh

 3336 08:45:16.223521  # selftests: lkdtm: WARNING_MESSAGE.sh

 3337 08:45:16.243528  <4>[   33.377106] Code: b6 88 a8 00 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 b1 9a 2a 03 48 c7 c7 78 a6 c1 93 8d 70 01 89 35 a1 9a 2a 03 e8 7a f4 67 00 <0f> 0b e9 89 88 a8 00 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7

 3338 08:45:16.249529  <4>[   33.418051] RSP: 0018:ffffa2db00d4fe60 EFLAGS: 00010286

 3339 08:45:16.256400  <4>[   33.423596] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000

 3340 08:45:16.263136  <4>[   33.431014] RDX: ffff947f2ad2c620 RSI: ffff947f2ad1bf50 RDI: ffff947f2ad1bf50

 3341 08:45:16.269792  <4>[   33.438456] RBP: ffffffff93c1a11f R08: 0000000000000000 R09: 0000000000000000

 3342 08:45:16.280178  <4>[   33.445865] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010

 3343 08:45:16.286428  <4>[   33.453304] R13: ffffa2db00d4ff10 R14: ffffa2db00d4ff10 R15: ffff947f036ff000

 3344 08:45:16.292658  <4>[   33.460723] FS:  00007f0b9f477580(0000) GS:ffff947f2ad00000(0000) knlGS:0000000000000000

 3345 08:45:16.299405  <4>[   33.469101] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3346 08:45:16.306359  <4>[   33.475127] CR2: 00007f0b9f277000 CR3: 00000001066e2000 CR4: 00000000001506e0

 3347 08:45:16.309167  <4>[   33.482543] Call Trace:

 3348 08:45:16.312693  <4>[   33.485284]  ? __warn+0x80/0x110

 3349 08:45:16.319436  <4>[   33.488810]  ? lkdtm_WARNING_MESSAGE+0x20/0x30

 3350 08:45:16.322403  <4>[   33.493542]  ? report_bug+0x9e/0xc0

 3351 08:45:16.326080  <4>[   33.497321]  ? handle_bug+0x41/0x90

 3352 08:45:16.329085  <4>[   33.501095]  ? exc_invalid_op+0x14/0x70

 3353 08:45:16.335518  <4>[   33.505234]  ? asm_exc_invalid_op+0x12/0x20

 3354 08:45:16.339236  <4>[   33.509705]  ? lkdtm_WARNING_MESSAGE+0x20/0x30

 3355 08:45:16.342298  <4>[   33.514493]  direct_entry.cold+0x2c/0x38

 3356 08:45:16.348985  <4>[   33.518735]  full_proxy_write+0x56/0x80

 3357 08:45:16.352319  <4>[   33.522934]  vfs_write+0xea/0x3b0

 3358 08:45:16.355756  <4>[   33.526611]  ksys_write+0x68/0xf0

 3359 08:45:16.358924  <4>[   33.530320]  do_syscall_64+0x33/0x40

 3360 08:45:16.365709  <4>[   33.534228]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 3361 08:45:16.368900  <4>[   33.539593] RIP: 0033:0x7f0b9f383473

 3362 08:45:16.388991  <4>[   33.543541] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 3363 08:45:16.395805  <4>[   33.562619] RSP: 002b:00007fffecb35368 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3364 08:45:16.402533  <4>[   33.570524] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f0b9f383473

 3365 08:45:16.408966  <4>[   33.577991] RDX: 0000000000000010 RSI: 00007f0b9f277000 RDI: 0000000000000001

 3366 08:45:16.418863  <4>[   33.585448] RBP: 00007f0b9f277000 R08: 00007f0b9f276010 R09: 0000000000000000

 3367 08:45:16.425390  <4>[   33.592888] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3368 08:45:16.432455  <4>[   33.600320] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3369 08:45:16.435422  <4>[   33.607747] irq event stamp: 0

 3370 08:45:16.442262  <4>[   33.611091] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3371 08:45:16.452288  <4>[   33.617625] hardirqs last disabled at (0): [<ffffffff918fd6dc>] copy_process+0x65c/0x20e0

 3372 08:45:16.458659  <4>[   33.626054] softirqs last  enabled at (0): [<ffffffff918fd6dc>] copy_process+0x65c/0x20e0

 3373 08:45:16.465389  <4>[   33.634506] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3374 08:45:16.472007  <4>[   33.641034] ---[ end trace 2f8aaab59271fece ]---

 3375 08:45:16.498931  # [   33.122475] lkdtm: Performing direct entry WARNING_MESSAGE

 3376 08:45:16.505545  # [   33.143699] ------------[ cut here ]------------

 3377 08:45:16.508541  # [   33.170766] Warning message trigger count: 2

 3378 08:45:16.518576  # [   33.197588] WARNING: CPU: 1 PID: 698 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30

 3379 08:45:16.558013  # [   33.229066] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common cros_ec_dev snd_soc_acp_da7219mx98357_mach designware_i2s cros_usbpd_notify snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 3380 08:45:16.564831  # [   33.291243] CPU: 1 PID: 698 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 3381 08:45:16.571212  # [   33.321291] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 3382 08:45:16.578037  # [   33.349629] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30

 3383 08:45:16.594203  # [   33.377106] Code: b6 88 a8 00 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 b1 9a 2a 03 48 c7 c7 78 a6 c1 93 8d 70 01 89 35 a1 9a 2a 03 e8 7a f4 67 00 <0f> 0b e9 89 88 a8 00 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7

 3384 08:45:16.600957  # [   33.418051] RSP: 0018:ffffa2db00d4fe60 EFLAGS: 00010286

 3385 08:45:16.607519  # [   33.423596] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000

 3386 08:45:16.614496  # [   33.431014] RDX: ffff947f2ad2c620 RSI: ffff947f2ad1bf50 RDI: ffff947f2ad1bf50

 3387 08:45:16.623995  # [   33.438456] RBP: ffffffff93c1a11f R08: 0000000000000000 R09: 0000000000000000

 3388 08:45:16.630875  # [   33.445865] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010

 3389 08:45:16.637424  # [   33.453304] R13: ffffa2<6>[   33.801561] lkdtm: Performing direct entry EXCEPTION

 3390 08:45:16.644174  db00d4ff10 R14: ffffa2db00d4ff10 R15: ffff947f036ff000

 3391 08:45:16.650706  # [   33.460723] FS:  00007f0b9f477580(0000) GS:ffff947f2ad00000(0000) knlGS:0000000000000000

 3392 08:45:16.657740  # [   33.469101] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3393 08:45:16.667427  # [   33.475127] CR2: 00007f0b9f27700<1>[   33.812512] BUG: kernel NULL pointer dereference, address: 0000000000000000

 3394 08:45:16.670526  0 <CR3: 00000001066e2000 CR4: 00000000001506e0

 3395 08:45:16.674023  # [   33.482543] Call Trace:

 3396 08:45:16.677564  # [   33.485284]  ? __warn+0x80/0x110

 3397 08:45:16.680269  # [   33.488810]  ? lkdtm_WARNING_MESSAGE+0x20/0x30

 3398 08:45:16.687143  # [   33.493542]  ? report_bug+0x9e/0xc0

 3399 08:45:16.690096  # [   33.497321]  ? handle_bug+0x41/0x90

 3400 08:45:16.693687  # [1>[   33.841895] #PF: supervisor write access in kernel mode

 3401 08:45:16.697177    < 33.501095]  ? exc_invalid_op+0x14/0x70

 3402 08:45:16.703244  # [   33.505234]  ? asm_exc_invalid_op+0x12/0x20

 3403 08:45:16.707165  # [   33.509705]  ? lkdtm_WARNING_MESSAGE+0x20/0x30

 3404 08:45:16.710058  # [   33.514493]  direct_entry.cold+0x2c/0x38

 3405 08:45:16.717224  # [   33.518735]  full_proxy_write+0x56/0x80

 3406 08:45:16.723564  # [   33.522934] 1>[   33.869559] #PF: error_code(0x0002) - not-present page

 3407 08:45:16.724142   vfs_write+0xea/0x3b0

 3408 08:45:16.726738  # [   33.526611]  ksys_write+0x68/0xf0

 3409 08:45:16.730080  # [   33.530320]  do_syscall_64+0x33/0x40

 3410 08:45:16.736932  # [   33.534228]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 3411 08:45:16.740193  # [   33.539593] RIP: 0033:0x7f0b9f383473

 3412 08:45:16.746784  # [   33.543541] Code: 8b 15 21 2a 0e 00 f7 d8 <6>[   33.897138] PGD 0 P4D 0 

 3413 08:45:16.762965  64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 3414 08:45:16.773302  # [   33.562619] RSP: 002b:00007fffecb35368 EFLAGS: 00000246 ORIG_RAX: 00000000000000<4>[   33.922116] Oops: 0002 [#2] SMP NOPTI

 3415 08:45:16.773867  01

 3416 08:45:16.779736  # [   33.570524] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f0b9f383473

 3417 08:45:16.789605  # [   33.577991] RDX: 0000000000000010 RSI: 00007f0b9f277000 RDI: 0000000000000001

 3418 08:45:16.796466  # [   33.585448] RBP: 00007f0b9f277000 R08: 00007f0b9f276010 R09: 0000000000000000

 3419 08:45:16.802787  <4>[   33.948220] CPU: 1 PID: 731 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 3420 08:45:16.809426  <4>[   33.978305] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 3421 08:45:16.816359  # [   33.592888] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3422 08:45:16.822980  # [   33.600320] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3423 08:45:16.825791  # [   33.607747] irq event stamp: 0

 3424 08:45:16.835943  # [   33.611091] hardirqs last  enabled at (0): [<0<4>[   33.984481] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20

 3425 08:45:16.839465  000000000000000>] 0x0

 3426 08:45:16.845736  # [   33.617625] hardirqs last disabled at (0): [<ffffffff918fd6dc>] copy_process+0x65c/0x20e0

 3427 08:45:16.855778  # [   33.626054] softirqs last  enabled at (0): [<ffffffff918fd6dc>] copy_process+0x65c/0x20e0

 3428 08:45:16.878734  # [   33.634506] softirqs last disabled a<4>[   34.011357] Code: 48 c7 c7 78 a6 c1 93 8d 70 01 89 35 a1 9a 2a 03 e8 7a f4 67 00 0f 0b e9 89 88 a8 00 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 <c7> 04 25 00 00 00 00 00 00 00 00 e9 6b 88 a8 00 66 66 2e 0f 1f 84

 3429 08:45:16.879305  t (0): [<0000000000000000>] 0x0

 3430 08:45:16.885425  # [   33.641034] ---[ end trace 2f8aaab59271fece ]---

 3431 08:45:16.888790  # WARNING_MESSAGE: saw 'message trigger': ok

 3432 08:45:16.892494  ok 4 selftests: lkdtm: WARNING_MESSAGE.sh

 3433 08:45:16.895284  # selftests: lkdtm: EXCEPTION.sh

 3434 08:45:16.901991  <4>[   34.052538] RSP: 0018:ffffa2db00de7e60 EFLAGS: 00010282

 3435 08:45:16.908741  <4>[   34.076302] RAX: ffffffff9237c280 RBX: 0000000000000004 RCX: 0000000000000000

 3436 08:45:16.915402  <4>[   34.083685] RDX: 0000000000000000 RSI: ffff947f2ad1bf50 RDI: ffffffff93794060

 3437 08:45:16.925173  <4>[   34.091070] RBP: ffffffff93b0dbcf R08: 0000000000000000 R09: 0000000000000000

 3438 08:45:16.931436  <4>[   34.098453] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a

 3439 08:45:16.938469  <4>[   34.105836] R13: ffffa2db00de7f10 R14: ffffa2db00de7f10 R15: ffff947f03dbd000

 3440 08:45:16.948256  <4>[   34.113220] FS:  00007f334c26f580(0000) GS:ffff947f2ad00000(0000) knlGS:0000000000000000

 3441 08:45:16.951500  <4>[   34.121557] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3442 08:45:16.961396  <4>[   34.127556] CR2: 0000000000000000 CR3: 0000000106694000 CR4: 00000000001506e0

 3443 08:45:16.961996  <4>[   34.134937] Call Trace:

 3444 08:45:16.968217  <4>[   34.137658]  ? __die_body.cold+0x1a/0x1f

 3445 08:45:16.971230  <4>[   34.141841]  ? no_context+0x177/0x380

 3446 08:45:16.974986  <4>[   34.145764]  ? exc_page_fault+0x53/0x170

 3447 08:45:16.977786  <4>[   34.149945]  ? asm_exc_page_fault+0x1e/0x30

 3448 08:45:16.984647  <4>[   34.154386]  ? lkdtm_WARNING_MESSAGE+0x30/0x30

 3449 08:45:16.987932  <4>[   34.159086]  ? lkdtm_EXCEPTION+0x5/0x20

 3450 08:45:16.991248  <4>[   34.163182]  direct_entry.cold+0x2c/0x38

 3451 08:45:16.997744  <4>[   34.167365]  full_proxy_write+0x56/0x80

 3452 08:45:17.001387  <4>[   34.171460]  vfs_write+0xea/0x3b0

 3453 08:45:17.004525  <4>[   34.175033]  ksys_write+0x68/0xf0

 3454 08:45:17.008835  <4>[   34.178606]  do_syscall_64+0x33/0x40

 3455 08:45:17.011143  <4>[   34.182437]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 3456 08:45:17.017999  <4>[   34.187745] RIP: 0033:0x7f334c17b473

 3457 08:45:17.034294  <4>[   34.191576] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 3458 08:45:17.043922  <4>[   34.210573] RSP: 002b:00007ffc33847b98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3459 08:45:17.050617  <4>[   34.218393] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f334c17b473

 3460 08:45:17.057168  <4>[   34.225778] RDX: 000000000000000a RSI: 00007f334c06f000 RDI: 0000000000000001

 3461 08:45:17.063800  <4>[   34.233160] RBP: 00007f334c06f000 R08: 00007f334c06e010 R09: 0000000000000000

 3462 08:45:17.073357  <4>[   34.240545] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3463 08:45:17.079941  <4>[   34.247927] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3464 08:45:17.120449  <4>[   34.255317] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common cros_ec_dev snd_soc_acp_da7219mx98357_mach designware_i2s cros_usbpd_notify snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 3465 08:45:17.123047  <4>[   34.295243] CR2: 0000000000000000

 3466 08:45:17.129928  <4>[   34.298872] ---[ end trace 2f8aaab59271fecf ]---

 3467 08:45:17.133308  <4>[   34.303773] RIP: 0010:lkdtm_BUG+0x5/0x10

 3468 08:45:17.153379  <4>[   34.308112] Code: 89 ff e8 5e d2 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 e9 88 a8 00 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 d0 9a 2a 03

 3469 08:45:17.156700  <4>[   34.327183] RSP: 0018:ffffa2db00c4fe60 EFLAGS: 00010282

 3470 08:45:17.166255  <4>[   34.332795] RAX: ffffffff9237c220 RBX: 0000000000000001 RCX: 0000000000000000

 3471 08:45:17.173170  <4>[   34.340282] RDX: 0000000000000000 RSI: ffff947f2ad1bf50 RDI: ffffffff93794030

 3472 08:45:17.179588  <4>[   34.347719] RBP: ffffffff93c7e9e8 R08: 0000000000000001 R09: 0000000000000001

 3473 08:45:17.186696  <4>[   34.355164] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3474 08:45:17.196059  <4>[   34.362579] R13: ffffa2db00c4ff10 R14: ffffa2db00c4ff10 R15: ffff947f03a8f000

 3475 08:45:17.202981  <4>[   34.370026] FS:  00007f334c26f580(0000) GS:ffff947f2ad00000(0000) knlGS:0000000000000000

 3476 08:45:17.209911  <4>[   34.378388] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3477 08:45:17.216175  <4>[   34.384449] CR2: 0000000000000000 CR3: 0000000106694000 CR4: 00000000001506e0

 3478 08:45:17.673642  <6>[   34.844299] lkdtm: Performing direct entry CORRUPT_LIST_ADD

 3479 08:45:17.676976  # Killed

 3480 08:45:17.680254  # [   33.801561] lkdtm: Performing direct entry EXCEPTION

 3481 08:45:17.686910  # [   33.812512] BUG: kernel NULL pointer dereference, address: 0000000000000000

 3482 08:45:17.693874  # [   33.841895] #PF: supervisor write access in kernel mode

 3483 08:45:17.700412  # [   33.869559] #PF: error_code(0x0002) - <6>[   34.850240] lkdtm: attempting good list addition

 3484 08:45:17.703681  not-present page

 3485 08:45:17.707094  # [   33.897138] PGD 0 P4D 0 

 3486 08:45:17.710118  # [   33.922116] Oops: 0002 [#2] SMP NOPTI

 3487 08:45:17.716931  # [   33.948220] CPU: 1 PID: 731 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 3488 08:45:17.723512  # [   33.978305] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 3489 08:45:17.730090  # [<6>[   34.877341] lkdtm: attempting corrupted list addition

 3490 08:45:17.733698     33.984481] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20

 3491 08:45:17.756621  # [   34.011357] Code: 48 c7 c7 78 a6 c1 93 8d 70 01 89 35 a1 9a 2a 03 e8 7a f4 67 00 0f 0b e9 89 88 a8 00 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 <c7> 04 25 00 00 00 00 00 00 00 00 e9 6b 88 a8 00 66 66 2<3>[   34.904827] lkdtm: list_add() corruption not detected!

 3492 08:45:17.756741  e 0f 1f 84

 3493 08:45:17.763305  # [   34.052538] RSP: 0018:ffffa2db00de7e60 EFLAGS: 00010282

 3494 08:45:17.769805  # [   34.076302] RAX: ffffffff9237c280 RBX: 0000000000000004 RCX: 0000000000000000

 3495 08:45:17.776587  # [   34.083685] RDX: 0000000000000000 RSI: ffff947f2ad1bf50 RDI: ffffffff93794060

 3496 08:45:17.786676  # [   34.091070] RBP: ffffffff93b0dbcf R08: 0000000000000000 R09: 0000000000000000

 3497 08:45:17.793344  # [   34.098453] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a

 3498 08:45:17.800005  # [   34.105836] R13: ffffa2db00de7f10 R14: ffffa2db00de7f10 R15: ffff947f03dbd000

 3499 08:45:17.806351  # [   34.113220] FS:  00007f334c26f580(0000) GS:ffff947f2ad00000(0000) knlGS:0000000000000000

 3500 08:45:17.812985  # [   34.121557] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3501 08:45:17.819807  # [   34.127556] CR2: 0000000000000000 CR3: 0000000106694000 CR4: 00000000001506e0

 3502 08:45:17.822743  # [   34.134937] Call Trace:

 3503 08:45:17.826217  # [   34.137658]  ? __die_body.cold+0x1a/0x1f

 3504 08:45:17.832661  # [   34.141841]  ? no_context+0x177/0x380

 3505 08:45:17.836312  # [   34.145764]  ? exc_page_fault+0x53/0x170

 3506 08:45:17.839805  # [   34.149945]  ? asm_exc_page_fault+0x1e/0x30

 3507 08:45:17.846266  # [   34.154386]  ? lkdtm_WARNING_MESSAGE+0x30/0x30

 3508 08:45:17.849242  # [   34.159086]  ? lkdtm_EXCEPTION+0x5/0x20

 3509 08:45:17.852514  # [   34.163182]  direct_entry.cold+0x2c/0x38

 3510 08:45:17.856175  # [   34.167365]  full_proxy_write+0x56/0x80

 3511 08:45:17.859243  # [   34.171460]  vfs_write+0xea/0x3b0

 3512 08:45:17.862659  # [   34.175033]  ksys_write+0x68/0xf0

 3513 08:45:17.866044  # [   34.178606]  do_syscall_64+0x33/0x40

 3514 08:45:17.872828  # [   <6>[   35.033100] lkdtm: Performing direct entry CORRUPT_LIST_DEL

 3515 08:45:17.879093  34.182437]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 3516 08:45:17.882337  # [   34.187745] RIP: 0033:0x7f334c17b473

 3517 08:45:17.902098  # [   34.191576] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00<6>[   35.049154] lkdtm: attempting good list removal

 3518 08:45:17.905447   f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 3519 08:45:17.912095  # [   34.210573] RSP: 002b:00007ffc33847b98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3520 08:45:17.921705  # [   34.218393] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f334c17b473

 3521 08:45:17.928725  # [   34.225778] RDX: 00<6>[   35.076136] lkdtm: attempting corrupted list removal

 3522 08:45:17.931718  0000000000000a RSI: 00007f334c06f000 RDI: 0000000000000001

 3523 08:45:17.941719  # [   34.233160] RBP: 00007f334c06f000 R08: 00007f334c06e010 R09: 0000000000000000

 3524 08:45:17.948147  # [   34.240545] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3525 08:45:17.955060  # [   34.247927] R13: 000000<3>[   35.103526] lkdtm: list_del() corruption not detected!

 3526 08:45:17.961403  0000000001 R14: 0000000000020000 R15: 0000000000020000

 3527 08:45:18.001378  # [   34.255317] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common cros_ec_dev snd_soc_acp_da7219mx98357_mach designware_i2s cros_usbpd_notify snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 3528 08:45:18.004473  # [   34.295243] CR2: 0000000000000000

 3529 08:45:18.007657  # [   34.298872] ---[ end trace 2f8aaab59271fecf ]---

 3530 08:45:18.011035  # [   34.303773] RIP: 0010:lkdtm_BUG+0x5/0x10

 3531 08:45:18.031201  # [   34.308112] Code: 89 ff e8 5e d2 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 e9 88 a8 00 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 d0 9a 2a 03

 3532 08:45:18.037609  # [   34.327183] RSP: 0018:ffffa2db00c4fe60 EFLAGS: 00010282

 3533 08:45:18.044533  # [   34.332795] RAX: ffffffff9237c220 RBX: 0000000000000001 RCX: 0000000000000000

 3534 08:45:18.051035  # [   34.340282] RDX: 0000000000000000 RSI: ffff947f2ad1bf50 RDI: ffffffff93794030

 3535 08:45:18.057666  # [   34.347719] RBP: ffffffff93c7e9e8 R08: 0000000000000001 R09: 0000000000000001

 3536 08:45:18.067277  # [   34.355164] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3537 08:45:18.073994  # [   3<6>[   35.230252] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING

 3538 08:45:18.080544  4.362579] R13: ffffa2db00c4ff10 R14: ffffa2db00c4ff10 R15: ffff947f03a8f000

 3539 08:45:18.087234  # [   34.370026] FS:  00007f334c26f580(0000) GS:ffff947f2ad00000(0000) knlGS:0000000000000000

 3540 08:45:18.093735  # [   34.378388] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3541 08:45:18.100527  # [   34.384449]<6>[   35.248541] lkdtm: attempting bad read from page below current stack

 3542 08:45:18.107094   CR2: 0000000000000000 CR3: 0000000106694000 CR4: 00000000001506e0

 3543 08:45:18.110274  # EXCEPTION: saw 'call trace:': ok

 3544 08:45:18.113891  ok 5 selftests: lkdtm: EXCEPTION.sh

 3545 08:45:18.117321  # selftests: lkdtm: LOOP.sh

 3546 08:45:18.120426  # Skipping LOOP: Hangs the system

 3547 08:45:18.123883  ok 6 selftests: lkdtm: LOOP.sh # SKIP

 3548 08:45:18.133871  # selftests:<0>[   35.277359] BUG: stack guard page was hit at 000000001980f08f (stack is 00000000fc2176cd..000000004b6faaf9)

 3549 08:45:18.137143   lkdtm: EXHAUST_STACK.sh

 3550 08:45:18.140489  # Skipping EXHAUST_STACK: Corrupts memory on failure

 3551 08:45:18.144024  ok 7 selftests: lkdtm: EXHAUST_STACK.sh # SKIP

 3552 08:45:18.146881  # selftests: lkdtm: CORRUPT_STACK.sh

 3553 08:45:18.153685  # Skipping CORRUPT_STACK: Crashes entire system on success

 3554 08:45:18.163206  ok 8 selftests: lkdtm: CORRUPT<4>[   35.309494] kernel stack overflow (page fault): 0000 [#3] SMP NOPTI

 3555 08:45:18.163298  _STACK.sh # SKIP

 3556 08:45:18.166801  # selftests: lkdtm: CORRUPT_STACK_STRONG.sh

 3557 08:45:18.173527  # Skipping CORRUPT_STACK_STRONG: Crashes entire system on success

 3558 08:45:18.179797  ok 9 selftests: lkdtm: CORRUPT_STACK_STRONG.sh # SKIP

 3559 08:45:18.183419  # selftests: lkdtm: CORRUPT_LIST_ADD.sh

 3560 08:45:18.193036  # [   34.844299] lkdtm: Perfor<4>[   35.338193] CPU: 1 PID: 963 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 3561 08:45:18.200060  <4>[   35.368280] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 3562 08:45:18.203543  ming direct entry CORRUPT_LIST_ADD

 3563 08:45:18.206194  # [   34.850240] lkdtm: attempting good list addition

 3564 08:45:18.212966  # [   34.877341] lkdtm: attempting corrupted list addition

 3565 08:45:18.216549  # [   34.904827] lkdtm: list_add() corruption not detected!

 3566 08:45:18.226332  # CORRUPT_LIST_ADD: missing 'list_add corrup<4>[   35.374457] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a

 3567 08:45:18.229589  tion': [FAIL]

 3568 08:45:18.232607  not ok 10 selftests: lkdtm: CORRUPT_LIST_ADD.sh # exit=1

 3569 08:45:18.236423  # selftests: lkdtm: CORRUPT_LIST_DEL.sh

 3570 08:45:18.242785  # [   35.033100] lkdtm: Performing direct entry CORRUPT_LIST_DEL

 3571 08:45:18.246297  # [   35.049154] lkdtm: attempting good list removal

 3572 08:45:18.269249  # [   35.076136] lkdtm<4>[   35.402719] Code: 18 3c 00 0f 1f 44 00 00 53 48 c7 c7 18 aa c1 93 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 3e de fb ff 48 c7 c7 58 aa c1 93 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 24 de fb ff 0f 1f 44

 3573 08:45:18.272517  : attempting corrupted list removal

 3574 08:45:18.275821  # [   35.103526] lkdtm: list_del() corruption not detected!

 3575 08:45:18.282100  # CORRUPT_LIST_DEL: missing 'list_del corruption': [FAIL]

 3576 08:45:18.285622  not ok 11 selftests: lkdtm: CORRUPT_LIST_DEL.sh # exit=1

 3577 08:45:18.295641  # selftests: lkdtm: STACK_GUARD_PAGE_LEAD<4>[   35.443899] RSP: 0018:ffffa2db01147e50 EFLAGS: 00010246

 3578 08:45:18.295719  IN<G.sh

 3579 08:45:18.305579  4>[   35.471560] RAX: 0000000000000038 RBX: ffffa2db01144000 RCX: 0000000000000000

 3580 08:45:18.312123  <4>[   35.479635] RDX: 0000000000000000 RSI: ffff947f2ad1bf50 RDI: ffffffff93c1aa58

 3581 08:45:18.319104  <4>[   35.487017] RBP: ffffffff93c1a182 R08: 0000000000000000 R09: 0000000000000000

 3582 08:45:18.325399  <4>[   35.494399] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019

 3583 08:45:18.335822  <4>[   35.501781] R13: ffffa2db01147f10 R14: ffffa2db01147f10 R15: ffff947f03dac000

 3584 08:45:18.341819  <4>[   35.509165] FS:  00007f6a7cdae3c0(0000) GS:ffff947f2ad00000(0000) knlGS:0000000000000000

 3585 08:45:18.348700  <4>[   35.517502] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3586 08:45:18.354956  <4>[   35.523497] CR2: ffffa2db01143fff CR3: 000000010298c000 CR4: 00000000001506e0

 3587 08:45:18.358726  <4>[   35.530879] Call Trace:

 3588 08:45:18.361894  <4>[   35.533585]  <#DF>

 3589 08:45:18.365232  <4>[   35.535859]  ? __die_body.cold+0x1a/0x1f

 3590 08:45:18.368334  <4>[   35.540039]  ? die+0x2b/0x50

 3591 08:45:18.371999  <4>[   35.543175]  ? handle_stack_overflow+0x3e/0x4d

 3592 08:45:18.375139  <4>[   35.547876]  ? no_context+0x24d/0x380

 3593 08:45:18.378408  <4>[   35.551789]  </#DF>

 3594 08:45:18.417890  <4>[   35.554143] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common cros_ec_dev snd_soc_acp_da7219mx98357_mach designware_i2s cros_usbpd_notify snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 3595 08:45:18.424703  <4>[   35.594062] ---[ end trace 2f8aaab59271fed0 ]---

 3596 08:45:18.427811  <4>[   35.598934] RIP: 0010:lkdtm_BUG+0x5/0x10

 3597 08:45:18.447989  <4>[   35.603111] Code: 89 ff e8 5e d2 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 e9 88 a8 00 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 d0 9a 2a 03

 3598 08:45:18.451226  <4>[   35.622108] RSP: 0018:ffffa2db00c4fe60 EFLAGS: 00010282

 3599 08:45:18.460809  <4>[   35.627586] RAX: ffffffff9237c220 RBX: 0000000000000001 RCX: 0000000000000000

 3600 08:45:18.468023  <4>[   35.634968] RDX: 0000000000000000 RSI: ffff947f2ad1bf50 RDI: ffffffff93794030

 3601 08:45:18.474091  <4>[   35.642349] RBP: ffffffff93c7e9e8 R08: 0000000000000001 R09: 0000000000000001

 3602 08:45:18.480824  <4>[   35.649732] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3603 08:45:18.487796  <4>[   35.657114] R13: ffffa2db00c4ff10 R14: ffffa2db00c4ff10 R15: ffff947f03a8f000

 3604 08:45:18.497473  <4>[   35.664498] FS:  00007f6a7cdae3c0(0000) GS:ffff947f2ad00000(0000) knlGS:0000000000000000

 3605 08:45:18.504242  <4>[   35.672835] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3606 08:45:18.510790  <4>[   35.678831] CR2: ffffa2db01143fff CR3: 000000010298c000 CR4: 00000000001506e0

 3607 08:45:18.520951  <3>[   35.686215] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 3608 08:45:18.527220  <3>[   35.695329] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 963, name: cat

 3609 08:45:18.530768  <4>[   35.703057] INFO: lockdep is turned off.

 3610 08:45:18.533577  <4>[   35.707233] irq event stamp: 0

 3611 08:45:18.540706  <4>[   35.710542] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3612 08:45:18.550060  <4>[   35.717060] hardirqs last disabled at (0): [<ffffffff918fd6dc>] copy_process+0x65c/0x20e0

 3613 08:45:18.557069  <4>[   35.725483] softirqs last  enabled at (0): [<ffffffff918fd6dc>] copy_process+0x65c/0x20e0

 3614 08:45:18.563928  <4>[   35.733898] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3615 08:45:18.573288  <4>[   35.740416] CPU: 1 PID: 963 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 3616 08:45:18.580106  <4>[   35.748317] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 3617 08:45:18.580178  <4>[   35.754487] Call Trace:

 3618 08:45:18.586912  <4>[   35.757195]  dump_stack+0x77/0x9b

 3619 08:45:18.589752  <4>[   35.760766]  ___might_sleep.cold+0xa6/0xb6

 3620 08:45:18.593122  <4>[   35.765119]  exit_signals+0x1c/0x300

 3621 08:45:18.596782  <4>[   35.768948]  do_exit+0xc2/0xab0

 3622 08:45:18.600120  <4>[   35.772349]  ? ksys_write+0x68/0xf0

 3623 08:45:18.602989  <4>[   35.776093]  make_task_dead+0x2f/0x30

 3624 08:45:18.609807  <4>[   35.780011]  rewind_stack_and_make_dead+0x17/0x20

 3625 08:45:18.613333  <4>[   35.784986] RIP: 0033:0x7f6a7cc8b473

 3626 08:45:18.633255  <4>[   35.788818] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 3627 08:45:18.639578  <4>[   35.807816] RSP: 002b:00007ffee3898138 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3628 08:45:18.646226  <4>[   35.815636] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f6a7cc8b473

 3629 08:45:18.656101  <4>[   35.823020] RDX: 0000000000000019 RSI: 00007f6a7cb7f000 RDI: 0000000000000001

 3630 08:45:18.662875  <4>[   35.830403] RBP: 00007f6a7cb7f000 R08: 00007f6a7cb7e010 R09: 0000000000000000

 3631 08:45:18.669246  <4>[   35.837789] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3632 08:45:18.675798  <4>[   35.845172] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3633 08:45:18.814930  <6>[   35.985637] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING

 3634 08:45:18.818242  # Segmentation fault

 3635 08:45:18.825105  # [   35.230252] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING

 3636 08:45:18.831523  # [   35.248541] lkdtm: attempting bad read from page below current stack

 3637 08:45:18.844654  # [   35.277359] BUG: stack guard page was hit at 000000001980f08f (stack is 00000000<6>[   35.992260] lkdtm: attempting bad read from page above current stack

 3638 08:45:18.848116  fc2176cd..000000004b6faaf9)

 3639 08:45:18.854762  # [   35.309494] kernel stack overflow (page fault): 0000 [#3] SMP NOPTI

 3640 08:45:18.861551  # [   35.338193] CPU: 1 PID: 963 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 3641 08:45:18.877690  # [   35.368280] Hardware name: Google Grunt/Grunt, BIOS  09/05<0>[   36.021073] BUG: stack guard page was hit at 000000007732406b (stack is 00000000a05fce08..0000000013e52d1c)

 3642 08:45:18.877770  /2019

 3643 08:45:18.884808  # [   35.374457] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a

 3644 08:45:18.907530  # [   35.402719] Code: 18 3c 00 0f 1f 44 00 00 53 48 c7 c7 18 aa c1 93 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 3e de fb ff 48 c7 c7 58 aa c1 93 <8a> 43 ff 88 44 24 07 0f b6 74<4>[   36.053217] kernel stack overflow (page fault): 0000 [#4] SMP NOPTI

 3645 08:45:18.910931   24 07 5a 5b e9 24 de fb ff 0f 1f 44

 3646 08:45:18.914275  # [   35.443899] RSP: 0018:ffffa2db01147e50 EFLAGS: 00010246

 3647 08:45:18.921319  # [   35.471560] RAX: 0000000000000038 RBX: ffffa2db01144000 RCX: 0000000000000000

 3648 08:45:18.937151  # [   35.479635] RDX: 0000000000000000 RSI: ffff947f2ad1bf50 RDI: ffffff<4>[   36.081917] CPU: 1 PID: 997 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 3649 08:45:18.944180  <4>[   36.112003] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 3650 08:45:18.944264  ff93c1aa58

 3651 08:45:18.950343  # [   35.487017] RBP: ffffffff93c1a182 R08: 0000000000000000 R09: 0000000000000000

 3652 08:45:18.957025  # [   35.494399] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019

 3653 08:45:18.970483  # [   35.501781] R13: ffffa2db01147f10 R14: ffffa2db01147f10 R15: ffff947f03<4>[   36.118183] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d

 3654 08:45:18.970568  dac000

 3655 08:45:18.980515  # [   35.509165] FS:  00007f6a7cdae3c0(0000) GS:ffff947f2ad00000(0000) knlGS:0000000000000000

 3656 08:45:18.987236  # [   35.517502] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3657 08:45:18.993393  # [   35.523497] CR2: ffffa2db01143fff CR3: 000000010298c000 CR4: 00000000001506e0

 3658 08:45:19.013603  #<4>[   36.146529] Code: de fb ff 0f 1f 44 00 00 53 48 c7 c7 90 aa c1 93 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 04 de fb ff 48 c7 c7 d0 aa c1 93 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 e7 dd fb ff

 3659 08:45:19.013689   [   35.530879] Call Trace:

 3660 08:45:19.016815  # [   35.533585]  <#DF>

 3661 08:45:19.020175  # [   35.535859]  ? __die_body.cold+0x1a/0x1f

 3662 08:45:19.023281  # [   35.540039]  ? die+0x2b/0x50

 3663 08:45:19.029977  # [   35.543175]  ? handle_stack_overflow+0x3e/0x4d

 3664 08:45:19.033422  # [   35.547876]  ? no_context+0x24d/0x380

 3665 08:45:19.040256  # [   35.551789]  </#DF<4>[   36.187711] RSP: 0018:ffffa2db011cfe50 EFLAGS: 00010246

 3666 08:45:19.040340  >

 3667 08:45:19.040405  <

 3668 08:45:19.069844  # [   35.554143] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common cros_ec_dev snd_soc_a4>[   36.215373] RAX: 0000000000000038 RBX: ffffa2db011cc000 RCX: 0000000000000000

 3669 08:45:19.086116  cp<_da7219mx98357_mach designware_i2s cros_usbpd_notify snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 3670 08:45:19.099072  # [   35.594062] ---[ end trace 2f8aaab59271fed0 ]4>[   36.244937] RDX: 0000000000000000 RSI: ffff947f2ad1bf50 RDI: ffffffff93c1aad0

 3671 08:45:19.106413  <4>[   36.274509] RBP: ffffffff93c1a19b R08: 0000000000000000 R09: 0000000000000000

 3672 08:45:19.106496  ---

 3673 08:45:19.112479  # [   35.598934] RIP: 0010:lkdtm_BUG+0x5/0x10

 3674 08:45:19.135445  # [   35.603111] Code: 89 ff e8 5e d2 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 e9 88 a8 00 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05<4>[   36.281892] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a

 3675 08:45:19.135535   d<0 9a 2a 03

 3676 08:45:19.142143  # [   35.622108] RSP: 0018:ffffa2db00c4fe60 EFLAGS: 00010282

 3677 08:45:19.148930  # [   35.627586] RAX: ffffffff9237c220 RBX: 0000000000000001 RCX: 0000000000000000

 3678 08:45:19.155819  # [   35.634968] RDX: 0000000000000000 RSI: ffff947f2ad1bf50 RDI: ffffffff93794030

 3679 08:45:19.165386  # [   35.6424>[   36.311458] R13: ffffa2db011cff10 R14: ffffa2db011cff10 R15: ffff947f03a9b000

 3680 08:45:19.172597  349] RBP: ffffffff93c7e9e8 R08: 0000000000000001 R09: 0000000000000001

 3681 08:45:19.179440  # [   35.649732] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3682 08:45:19.185511  # [   35.657114] R13: ffffa2db00c4ff10 R14: ffffa2db00c4ff10 R15: ffff947f03a8f000

 3683 08:45:19.195653  # [   35.664498]<4>[   36.341031] FS:  00007f3c91c08580(0000) GS:ffff947f2ad00000(0000) knlGS:0000000000000000

 3684 08:45:19.202315   F<S:  00007f6a7cdae3c0(0000) GS:ffff947f2ad00000(0000) knlGS:0000000000000000

 3685 08:45:19.208668  # [   35.672835] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3686 08:45:19.215594  # [   35.678831] CR2: ffffa2db01143fff CR3: 000000010298c000 CR4: 00000000001506e0

 3687 08:45:19.224959  # [   35.686215] BUG: sle4>[   36.371554] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3688 08:45:19.232134  ep<ing function called from invalid context at include/linux/percpu-rwsem.h:49

 3689 08:45:19.238446  # [   35.695329] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 963, name: cat

 3690 08:45:19.241925  # [   35.703057] INFO: lockdep is turned off.

 3691 08:45:19.244960  # [   35.707233] irq event stamp: 0

 3692 08:45:19.255000  # [  4>[   36.399738] CR2: ffffa2db011d0000 CR3: 00000001028e2000 CR4: 00000000001506e0

 3693 08:45:19.255084  <4>[   36.429309] Call Trace:

 3694 08:45:19.261349   35.710542] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3695 08:45:19.271688  # [   35.717060] hardirqs last disabled at (0): [<ffffffff918fd6dc>] copy_process+0x65c/0x20e0

 3696 08:45:19.281250  # [   35.725483] softirqs last  enabled at (0): [<ffffffff918fd6dc>] copy_process+0x65c/0x2<4>[   36.432017]  <#DF>

 3697 08:45:19.281334  0e0

 3698 08:45:19.287761  # [   35.733898] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3699 08:45:19.294506  # [   35.740416] CPU: 1 PID: 963 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 3700 08:45:19.301234  # [   35.748317] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 3701 08:45:19.307963  # [   35.754487] <4>[   36.456475]  ? __die_body.cold+0x1a/0x1f

 3702 08:45:19.308047  Call Trace:

 3703 08:45:19.310763  # [   35.757195]  dump_stack+0x77/0x9b

 3704 08:45:19.317491  # [   35.760766]  ___might_sleep.cold+0xa6/0xb6

 3705 08:45:19.320827  # [   35.765119]  exit_signals+0x1c/0x300

 3706 08:45:19.324390  # [   35.768948]  do_exit+0xc2/0xab0

 3707 08:45:19.327445  # [   35.772349]  ? ksys_write+0x68/0xf0

 3708 08:45:19.334085  # [   35.776093]  make_task_dea<4>[   36.482835]  ? die+0x2b/0x50

 3709 08:45:19.334169  d+0x2f/0x30

 3710 08:45:19.337648  # [   35.780011]  rewind_stack_and_make_dead+0x17/0x20

 3711 08:45:19.343701  # [   35.784986] RIP: 0033:0x7f6a7cc8b473

 3712 08:45:19.360587  # [   35.788818] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0<4>[   36.508155]  ? handle_stack_overflow+0x3e/0x4d

 3713 08:45:19.366831  f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 3714 08:45:19.373510  # [   35.807816] RSP: 002b:00007ffee3898138 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3715 08:45:19.380106  # [   35.815636] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f6a7cc8b473

 3716 08:45:19.387401  # [   35.<4>[   36.535040]  ? no_context+0x24d/0x380

 3717 08:45:19.387484  <4>[   36.561140]  </#DF>

 3718 08:45:19.393800  823020] RDX: 0000000000000019 RSI: 00007f6a7cb7f000 RDI: 0000000000000001

 3719 08:45:19.403485  # [   35.830403] RBP: 00007f6a7cb7f000 R08: 00007f6a7cb7e010 R09: 0000000000000000

 3720 08:45:19.409873  # [   35.837789] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3721 08:45:19.449722  # [   35.8451<4>[   36.563496] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common cros_ec_dev snd_soc_acp_da7219mx98357_mach designware_i2s cros_usbpd_notify snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 3722 08:45:19.456155  72] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3723 08:45:19.459482  # STACK_GUARD_PAGE_LEADING: saw 'call trace:': ok

 3724 08:45:19.465802  ok 12 selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh

 3725 08:45:19.469307  # selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh

 3726 08:45:19.472635  <4>[   36.625566] ---[ end trace 2f8aaab59271fed1 ]---

 3727 08:45:19.479345  <4>[   36.649935] RIP: 0010:lkdtm_BUG+0x5/0x10

 3728 08:45:19.499309  <4>[   36.654114] Code: 89 ff e8 5e d2 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 e9 88 a8 00 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 d0 9a 2a 03

 3729 08:45:19.502377  <4>[   36.673111] RSP: 0018:ffffa2db00c4fe60 EFLAGS: 00010282

 3730 08:45:19.509133  <4>[   36.678589] RAX: ffffffff9237c220 RBX: 0000000000000001 RCX: 0000000000000000

 3731 08:45:19.518817  <4>[   36.685972] RDX: 0000000000000000 RSI: ffff947f2ad1bf50 RDI: ffffffff93794030

 3732 08:45:19.525512  <4>[   36.693354] RBP: ffffffff93c7e9e8 R08: 0000000000000001 R09: 0000000000000001

 3733 08:45:19.532141  <4>[   36.700736] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3734 08:45:19.538988  <4>[   36.708119] R13: ffffa2db00c4ff10 R14: ffffa2db00c4ff10 R15: ffff947f03a8f000

 3735 08:45:19.549085  <4>[   36.715502] FS:  00007f3c91c08580(0000) GS:ffff947f2ad00000(0000) knlGS:0000000000000000

 3736 08:45:19.555225  <4>[   36.723838] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3737 08:45:19.562186  <4>[   36.729833] CR2: ffffa2db011d0000 CR3: 00000001028e2000 CR4: 00000000001506e0

 3738 08:45:19.572036  <3>[   36.737218] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 3739 08:45:19.578396  <3>[   36.746335] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 997, name: cat

 3740 08:45:19.581872  <4>[   36.754065] INFO: lockdep is turned off.

 3741 08:45:19.585424  <4>[   36.758241] irq event stamp: 0

 3742 08:45:19.591994  <4>[   36.761555] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3743 08:45:19.601591  <4>[   36.768074] hardirqs last disabled at (0): [<ffffffff918fd6dc>] copy_process+0x65c/0x20e0

 3744 08:45:19.608632  <4>[   36.776498] softirqs last  enabled at (0): [<ffffffff918fd6dc>] copy_process+0x65c/0x20e0

 3745 08:45:19.614754  <4>[   36.784922] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3746 08:45:19.624927  <4>[   36.791441] CPU: 1 PID: 997 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 3747 08:45:19.631663  <4>[   36.799345] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 3748 08:45:19.631775  <4>[   36.805513] Call Trace:

 3749 08:45:19.634706  <4>[   36.808221]  dump_stack+0x77/0x9b

 3750 08:45:19.642092  <4>[   36.811796]  ___might_sleep.cold+0xa6/0xb6

 3751 08:45:19.644903  <4>[   36.816149]  exit_signals+0x1c/0x300

 3752 08:45:19.648347  <4>[   36.819981]  do_exit+0xc2/0xab0

 3753 08:45:19.651770  <4>[   36.823383]  ? ksys_write+0x68/0xf0

 3754 08:45:19.654880  <4>[   36.827127]  make_task_dead+0x2f/0x30

 3755 08:45:19.661361  <4>[   36.831048]  rewind_stack_and_make_dead+0x17/0x20

 3756 08:45:19.664504  <4>[   36.836006] RIP: 0033:0x7f3c91ae3473

 3757 08:45:19.684458  <4>[   36.839836] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 3758 08:45:19.691023  <4>[   36.858834] RSP: 002b:00007fffbee65e88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3759 08:45:19.697927  <4>[   36.866652] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f3c91ae3473

 3760 08:45:19.704526  <4>[   36.874034] RDX: 000000000000001a RSI: 00007f3c919d7000 RDI: 0000000000000001

 3761 08:45:19.714207  <4>[   36.881416] RBP: 00007f3c919d7000 R08: 00007f3c919d6010 R09: 0000000000000000

 3762 08:45:19.720890  <4>[   36.888799] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3763 08:45:19.727502  <4>[   36.896182] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3764 08:45:19.730700  # Segmentation fault

 3765 08:45:19.799232  # [   35.985637] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING

 3766 08:45:19.805761  # [   35.992260] lkdtm: attempting bad read from page above current stack

 3767 08:45:19.815484  # [   36.021073] BUG: stack guard page was hit at 000000007732406b (stack is 00000000a05fce08..0000000013e52d1c)

 3768 08:45:19.822195  # [   36.053217] kernel stack overflow (page fault): 0000 [#4] SMP NOPTI

 3769 08:45:19.831740  # [   36.081917] CPU: 1 PID: 997 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 3770 08:45:19.838880  # [   36.112003] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 3771 08:45:19.841803  # [   36.118183] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d

 3772 08:45:19.861540  # [   36.146529] Code: de fb ff 0f 1f 44 00 00 53 48 c7 c7 90 aa c1 93 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 04 de fb ff 48 c7 c7 d0 aa c1 93 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 e7 dd fb ff

 3773 08:45:19.868361  # [   36.187711] RSP: 0018:ffffa2db011cfe50 EFLAGS: 00010246

 3774 08:45:19.874901  # [   36.215373] RAX: 0000000000000038 RBX: ffffa2db011cc000 RCX: 0000000000000000

 3775 08:45:19.881752  # [   36.244937] RDX: 0000000000000000 RSI: ffff947f2ad1bf50 RDI: ffffffff93c1aad0

 3776 08:45:19.888445  # [   36.274509] RBP: ffffffff93c1a19b R08: 0000000000000000 R09: 0000000000000000

 3777 08:45:19.898224  # [   36.281892] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a

 3778 08:45:19.904385  # [   36.311458] R13: ffffa2db011cff10 R14: ffffa2db011cff10 R15: ffff947f03a9b000

 3779 08:45:19.911570  # [   36.341<6>[   37.068877] lkdtm: Performing direct entry UNSET_SMEP

 3780 08:45:19.917895  031] FS:  00007f3c91c08580(0000) GS:ffff947f2ad00000(0000) knlGS:0000000000000000

 3781 08:45:19.924570  # [   36.371554] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3782 08:45:19.930802  # [   36.399738] CR2: ffffa2db011d0000 CR3: 00000001028e2000 CR4: 00000000001506e0

 3783 08:45:19.937575  # [   36.429309] Call<6>[   37.085691] lkdtm: trying to clear SMEP normally

 3784 08:45:19.937686   Trace:

 3785 08:45:19.940905  # [   36.432017]  <#DF>

 3786 08:45:19.944166  # [   36.456475]  ? __die_body.cold+0x1a/0x1f

 3787 08:45:19.947477  # [   36.482835]  ? die+0x2b/0x50

 3788 08:45:19.950857  # [   36.508155]  ? handle_stack_overflow+0x3e/0x4d

 3789 08:45:19.953959  # [   36.535040]  ? no_context+0x24d/0x380

 3790 08:45:19.957562  # [   36.561140]  </#DF>

 3791 08:45:19.964178  # [   36.563496] <4>[   37.112774] ------------[ cut here ]------------

 3792 08:45:19.990565  Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common cros_ec_dev snd_soc_acp_da7219mx98357_mac<4>[   37.139816] pinned CR4 bits changed: 0x100000!?

 3793 08:45:20.007155  h designware_i2s cros_usbpd_notify snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 3794 08:45:20.013507  # [   36.625566] ---[ end trace 2f8aaab59271fed1 ]---

 3795 08:45:20.023925  # [   36.649935<4>[   37.166787] WARNING: CPU: 1 PID: 1034 at arch/x86/kernel/cpu/common.c:397 native_write_cr4+0x45/0x60

 3796 08:45:20.026724  ] RIP: 0010:lkdtm_BUG+0x5/0x10

 3797 08:45:20.043844  # [   36.654114] Code: 89 ff e8 5e d2 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 e9 88 a8 00 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 d0 9a 2a 03

 3798 08:45:20.085902  # [   <4>[   37.198339] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common cros_ec_dev snd_soc_acp_da7219mx98357_mach designware_i2s cros_usbpd_notify snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 3799 08:45:20.089367  36.673111] RSP: 0018:ffffa2db00c4fe60 EFLAGS: 00010282

 3800 08:45:20.095987  # [   36.678589] RAX: ffffffff9237c220 RBX: 0000000000000001 RCX: 0000000000000000

 3801 08:45:20.102683  # [   36.685972] RDX: 0000000000000000 RSI: ffff947f2ad1bf50 RDI: ffffffff93794030

 3802 08:45:20.115833  # [   36.693354] RBP: ffffffff93<4>[   37.260409] CPU: 1 PID: 1034 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 3803 08:45:20.119224  c7e9e8 R08: 0000000000000001 R09: 0000000000000001

 3804 08:45:20.125759  # [   36.700736] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 3805 08:45:20.132701  # [   36.708119] R13: ffffa2db00c4ff10 R14: ffffa2db00c4ff10 R15: ffff947f03a8f000

 3806 08:45:20.142264  # [   36.715502] FS:  00007f3c91c085<4>[   37.290618] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 3807 08:45:20.149669  80(0000) GS:ffff947f2ad00000(0000) knlGS:0000000000000000

 3808 08:45:20.155368  # [   36.723838] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3809 08:45:20.162173  # [   36.729833] CR2: ffffa2db011d0000 CR3: 00000001028e2000 CR4: 00000000001506e0

 3810 08:45:20.172055  # [   36.737218] BUG: sleeping function calle<4>[   37.319092] RIP: 0010:native_write_cr4+0x45/0x60

 3811 08:45:20.175444  d from invalid context at include/linux/percpu-rwsem.h:49

 3812 08:45:20.181892  # [   36.746335] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 997, name: cat

 3813 08:45:20.188279  # [   36.754065] INFO: lockdep is turned off.

 3814 08:45:20.191750  # [   36.758241] irq event stamp: 0

 3815 08:45:20.211458  # [   36.761555] hardirqs<4>[   37.346042] Code: 39 c2 75 2d 48 85 f6 75 05 e9 a7 29 54 01 80 3d f8 51 86 02 00 75 f2 48 c7 c7 70 7c b1 93 c6 05 e8 51 86 02 01 e8 75 95 13 01 <0f> 0b e9 84 29 54 01 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09

 3816 08:45:20.214964   last  enabled at (0): [<0000000000000000>] 0x0

 3817 08:45:20.224968  # [   36.768074] hardirqs last disabled at (0): [<ffffffff918fd6dc>] copy_process+0x65c/0x20e0

 3818 08:45:20.231190  # [   36.776498] softirqs last  enabled at (0): [<ffffffff918fd6dc>] copy_process+0x65c/0x20e0

 3819 08:45:20.238236  # [   36.784922<4>[   37.387269] RSP: 0018:ffffa2db0124fe48 EFLAGS: 00010286

 3820 08:45:20.244501  ] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3821 08:45:20.251434  # [   36.791441] CPU: 1 PID: 997 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 3822 08:45:20.258334  # [   36.799345] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 3823 08:45:20.261334  # [   36.805513] Call Trace:

 3824 08:45:20.267786  # [   3<4>[   37.414976] RAX: 0000000000000000 RBX: 00000000000506e0 RCX: 0000000000000000

 3825 08:45:20.271115  6.808221]  dump_stack+0x77/0x9b

 3826 08:45:20.277694  # [   36.811796]  ___might_sleep.cold+0xa6/0xb6

 3827 08:45:20.281151  # [   36.816149]  exit_signals+0x1c/0x300

 3828 08:45:20.283899  # [   36.819981]  do_exit+0xc2/0xab0

 3829 08:45:20.287375  # [   36.823383]  ? ksys_write+0x68/0xf0

 3830 08:45:20.290655  # [   36.827127]  make_task_dead+0x2f/0x30

 3831 08:45:20.297424  # [   <4>[   37.444492] RDX: ffff947f2ad2c620 RSI: ffff947f2ad1bf50 RDI: ffff947f2ad1bf50

 3832 08:45:20.310738  36.831048]  rewind_stack_and_make_dead+0x17/0x20<4>[   37.473959] RBP: ffffffff93c1a1b5 R08: 0000000000000000 R09: 0000000000000000

 3833 08:45:20.310846  

 3834 08:45:20.313783  # [   36.836006] RIP: 0033:0x7f3c91ae3473

 3835 08:45:20.340534  # [   36.839836] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 <4>[   37.485503] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b

 3836 08:45:20.340629  24 18

 3837 08:45:20.353656  # [   36.858834] RSP: 002b:00007fffbee65e88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001<4>[   37.515073] R13: ffffa2db0124ff10 R14: ffffa2db0124ff10 R15: ffff947f0299d000

 3838 08:45:20.353741  

 3839 08:45:20.363796  <4>[   37.530618] FS:  00007fc765022580(0000) GS:ffff947f2ad00000(0000) knlGS:0000000000000000

 3840 08:45:20.370185  # [   36.866652] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f3c91ae3473

 3841 08:45:20.376930  # [   36.874034] RDX: 000000000000001a RSI: 00007f3c919d7000 RDI: 0000000000000001

 3842 08:45:20.386462  # [   36.881416] RBP: 00007f3c919d7000 R08: 00007f3c919d6010 R09: 0000000000000000

 3843 08:45:20.393448  # [ <4>[   37.539118] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3844 08:45:20.399634    36.888799] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3845 08:45:20.406538  # [   36.896182] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3846 08:45:20.409650  # STACK_GUARD_PAGE_TRAILING: saw 'call trace:': ok

 3847 08:45:20.419733  ok 13 selftests: lkdtm: STACK_GUARD_PAGE<4>[   37.567292] CR2: 00007fc764def000 CR3: 0000000104330000 CR4: 00000000001506e0

 3848 08:45:20.422734  _TRAILING.sh

 3849 08:45:20.426076  # selftests: lkdtm: UNSET_SMEP.sh

 3850 08:45:20.429749  <4>[   37.596885] Call Trace:

 3851 08:45:20.432568  <4>[   37.603834]  ? __warn+0x80/0x110

 3852 08:45:20.435858  <4>[   37.607424]  ? native_write_cr4+0x45/0x60

 3853 08:45:20.439523  <4>[   37.611758]  ? report_bug+0x9e/0xc0

 3854 08:45:20.442564  <4>[   37.615563]  ? handle_bug+0x41/0x90

 3855 08:45:20.449391  <4>[   37.619387]  ? exc_invalid_op+0x14/0x70

 3856 08:45:20.452746  <4>[   37.623572]  ? asm_exc_invalid_op+0x12/0x20

 3857 08:45:20.455936  <4>[   37.628102]  ? native_write_cr4+0x45/0x60

 3858 08:45:20.462273  <4>[   37.632486]  ? native_write_cr4+0x45/0x60

 3859 08:45:20.465731  <4>[   37.636859]  lkdtm_UNSET_SMEP.cold+0x1d/0x103

 3860 08:45:20.468913  <4>[   37.641604]  direct_entry.cold+0x2c/0x38

 3861 08:45:20.475976  <4>[   37.645884]  full_proxy_write+0x56/0x80

 3862 08:45:20.478925  <4>[   37.650112]  vfs_write+0xea/0x3b0

 3863 08:45:20.482442  <4>[   37.653778]  ksys_write+0x68/0xf0

 3864 08:45:20.485469  <4>[   37.657453]  do_syscall_64+0x33/0x40

 3865 08:45:20.492582  <4>[   37.661382]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 3866 08:45:20.495615  <4>[   37.666777] RIP: 0033:0x7fc764efb473

 3867 08:45:20.515647  <4>[   37.670706] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 3868 08:45:20.521943  <4>[   37.689782] RSP: 002b:00007ffc4ac86528 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3869 08:45:20.528403  <4>[   37.697701] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007fc764efb473

 3870 08:45:20.538368  <4>[   37.705180] RDX: 000000000000000b RSI: 00007fc764def000 RDI: 0000000000000001

 3871 08:45:20.545089  <4>[   37.712657] RBP: 00007fc764def000 R08: 00007fc764dee010 R09: 0000000000000000

 3872 08:45:20.551786  <4>[   37.720128] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3873 08:45:20.558188  <4>[   37.727604] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 3874 08:45:20.561596  <4>[   37.735079] irq event stamp: 0

 3875 08:45:20.568234  <4>[   37.738516] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3876 08:45:20.578411  <4>[   37.745074] hardirqs last disabled at (0): [<ffffffff918fd6dc>] copy_process+0x65c/0x20e0

 3877 08:45:20.584770  <4>[   37.753503] softirqs last  enabled at (0): [<ffffffff918fd6dc>] copy_process+0x65c/0x20e0

 3878 08:45:20.591398  <4>[   37.761974] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3879 08:45:20.597867  <4>[   37.768505] ---[ end trace 2f8aaab59271fed2 ]---

 3880 08:45:20.601175  <6>[   37.773380] lkdtm: ok: SMEP did not get cleared

 3881 08:45:20.607812  <6>[   37.778166] lkdtm: trying to clear SMEP with call gadget

 3882 08:45:20.614428  <6>[   37.783750] lkdtm: ok: SMEP removal was reverted

 3883 08:45:20.638809  # [   37.068877] lkdtm: Performing direct entry UNSET_SMEP

 3884 08:45:20.645578  # [   37.085691] lkdtm: trying to clear SMEP normally

 3885 08:45:20.649149  # [   37.112774] ------------[ cut here ]------------

 3886 08:45:20.651973  # [   37.139816] pinned CR4 bits changed: 0x100000!?

 3887 08:45:20.662118  # [   37.166787] WARNING: CPU: 1 PID: 1034 at arch/x86/kernel/cpu/common.c:397 native_write_cr4+0x45/0x60

 3888 08:45:20.701536  # [   37.198339] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common cros_ec_dev snd_soc_acp_da7219mx98357_mach designware_i2s cros_usbpd_notify snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 3889 08:45:20.711714  # [   37.260409] CPU: 1 PID: 1034 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 3890 08:45:20.715282  # [   37.290618] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 3891 08:45:20.721690  # [   37.319092] RIP: 0010:native_write_cr4+0x45/0x60

 3892 08:45:20.741552  # [   37.346042] Code: 39 c2 75 2d 48 85 f6 75 05 e9 a7 29 54 01 80 3d f8 51 86 02 00 75 f2 48 c7 c7 70 7c b1 93 c6 05 e8 51 86 02 01 e8 75 95 13 01 <0f> 0b e9 84 29 54 01 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09

 3893 08:45:20.744677  # [   37.387269] RSP: 0018:ffffa2db0124fe48 EFLAGS: 00010286

 3894 08:45:20.754705  # [   37.414976] RAX: 0000000000000000 RBX: 0000000000<6>[   37.908210] lkdtm: Performing direct entry DOUBLE_FAULT

 3895 08:45:20.757970  0506e0 RCX: 0000000000000000

 3896 08:45:20.764733  # [   37.444492] RDX: ffff947f2ad2c620 RSI: ffff947f2ad1bf50 RDI: ffff947f2ad1bf50

 3897 08:45:20.771534  # [   37.473959] RBP: ffffffff93c1a1b5 R08: 0000000000000000 R09: 0000000000000000

 3898 08:45:20.781187  # [   37.485503] R10: 00000000ffffe000 R11: 3fffffffffffff<3>[   37.931128] lkdtm: XFAIL: this test is ia32-only

 3899 08:45:20.784410  ff R12: 000000000000000b

 3900 08:45:20.791162  # [   37.515073] R13: ffffa2db0124ff10 R14: ffffa2db0124ff10 R15: ffff947f0299d000

 3901 08:45:20.800937  # [   37.530618] FS:  00007fc765022580(0000) GS:ffff947f2ad00000(0000) knlGS:0000000000000000

 3902 08:45:20.807856  # [   37.539118] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 3903 08:45:20.814626  # [   37.567292] CR2: 00007fc764def000 CR3: 0000000104330000 CR4: 00000000001506e0

 3904 08:45:20.817503  # [   37.596885] Call Trace:

 3905 08:45:20.821000  # [   37.603834]  ? __warn+0x80/0x110

 3906 08:45:20.824171  # [   37.607424]  ? native_write_cr4+0x45/0x60

 3907 08:45:20.827557  # [   37.611758]  ? report_bug+0x9e/0xc0

 3908 08:45:20.830789  # [   37.615563]  ? handle_bug+0x41/0x90

 3909 08:45:20.834011  # [   37.619387]  ? exc_invalid_op+0x14/0x70

 3910 08:45:20.840589  # [   37.623572]  ? asm_exc_invalid_op+0x12/0x20

 3911 08:45:20.844245  # [   37.628102]  ? native_write_cr4+0x45/0x60

 3912 08:45:20.847165  # [   37.632486]  ? native_write_cr4+0x45/0x60

 3913 08:45:20.850491  # [   37.636859]  lkdtm_UNSET_SMEP.cold+0x1d/0x103

 3914 08:45:20.857597  # [   37.641604]  direct_entry.cold+0x2c/0x38

 3915 08:45:20.860586  # [   37.645884]  full_proxy_write+0x56/0x80

 3916 08:45:20.863728  # [   37.650112]  vfs_write+0xea/0x3b0

 3917 08:45:20.867385  # [   37.653778]  ksys_write+0x68/0xf0

 3918 08:45:20.870406  # [   37.657453]  do_syscall_64+0x33/0x40

 3919 08:45:20.877209  # [   37.661382]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 3920 08:45:20.880386  # [   37.666777] RIP: 0033:0x7fc764efb473

 3921 08:45:20.900202  # [   37.670706] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 3922 08:45:20.906924  # [   37.689782] RSP: 002b:00007ffc4ac86528 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 3923 08:45:20.913662  # [   37.697701] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007fc764efb473

 3924 08:45:20.920083  # [   37.705180] RDX: 00<6>[   38.076289] lkdtm: Performing direct entry CORRUPT_PAC

 3925 08:45:20.926868  0000000000000b RSI: 00007fc764def000 RDI: 0000000000000001

 3926 08:45:20.933157  # [   37.712657] RBP: 00007fc764def000 R08: 00007fc764dee010 R09: 0000000000000000

 3927 08:45:20.940144  # [   37.720128] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 3928 08:45:20.946883  # [   37.727604] R13: 000000<3>[   38.096698] lkdtm: XFAIL: this test is arm64-only

 3929 08:45:20.953083  0000000001 R14: 0000000000020000 R15: 0000000000020000

 3930 08:45:20.956580  # [   37.735079] irq event stamp: 0

 3931 08:45:20.963387  # [   37.738516] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 3932 08:45:20.970234  # [   37.745074] hardirqs last disabled at (0): [<ffffffff918fd6dc>] copy_process+0x65c/0x20e0

 3933 08:45:20.979646  # [   37.753503] softirqs last  enabled at (0): [<ffffffff918fd6dc>] copy_process+0x65c/0x20e0

 3934 08:45:20.986291  # [   37.761974] softirqs last disabled at (0): [<0000000000000000>] 0x0

 3935 08:45:20.990210  # [   37.768505] ---[ end trace 2f8aaab59271fed2 ]---

 3936 08:45:20.996401  # [   37.773380] lkdtm: ok: SMEP did not get cleared

 3937 08:45:20.999903  # [   37.778166] lkdtm: trying to clear SMEP with call gadget

 3938 08:45:21.006058  # [   37.783750] lkdtm: ok: SMEP removal was reverted

 3939 08:45:21.009627  # UNSET_SMEP: saw 'pinned CR4 bits changed:': ok

 3940 08:45:21.012958  ok 14 selftests: lkdtm: UNSET_SMEP.sh

 3941 08:45:21.016266  # selftests: lkdtm: DOUBLE_FAULT.sh

 3942 08:45:21.023184  # [   37.908210] lkdtm: Performing direct entry DOUBLE_FAULT

 3943 08:45:21.026115  # [   37.931128] lkdtm: XFAIL: this test is ia32-only

 3944 08:45:21.029569  # DOUBLE_FAULT: saw 'XFAIL': [SKIP]

 3945 08:45:21.032753  ok 15 selftests: lkdtm: DOUBLE_FAULT.sh # SKIP

 3946 08:45:21.036344  # selftests: lkdtm: CORRUPT_PAC.sh

 3947 08:45:21.042540  # [   38.076289] lkdtm: Performing direct entry CORRUPT_PAC

 3948 08:45:21.046057  # [   38.096698] lkdtm: XFAIL: this test is arm64-only

 3949 08:45:21.049080  # CORRUPT_PAC: saw 'XFAIL': [SKIP]

 3950 08:45:21.056278  ok 16 selftests: lkdtm: CORRUPT_PAC.sh # SKIP

 3951 08:45:21.059203  # selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh

 3952 08:45:21.101146  <6>[   38.268218] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE

 3953 08:45:21.107475  <3>[   38.274934] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS

 3954 08:45:21.129248  # [   38.268218] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE

 3955 08:45:21.135466  # [   38.274934] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS

 3956 08:45:21.139664  # UNALIGNED_LOAD_STORE_WRITE: saw 'XFAIL': [SKIP]

 3957 08:45:21.145261  ok 17 selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh # SKIP

 3958 08:45:21.148453  # selftests: lkdtm: OVERWRITE_ALLOCATION.sh

 3959 08:45:21.191720  # Skipping OVERWRITE_ALLOCATION: Corrupts memory on failure

 3960 08:45:21.198385  ok 18 selftests: lkdtm: OVERWRITE_ALLOCATION.sh # SKIP

 3961 08:45:21.201276  # selftests: lkdtm: WRITE_AFTER_FREE.sh

 3962 08:45:21.248266  # Skipping WRITE_AFTER_FREE: Corrupts memory on failure

 3963 08:45:21.251327  ok 19 selftests: lkdtm: WRITE_AFTER_FREE.sh # SKIP

 3964 08:45:21.254632  # selftests: lkdtm: READ_AFTER_FREE.sh

 3965 08:45:21.330371  <6>[   38.500956] lkdtm: Performing direct entry READ_AFTER_FREE

 3966 08:45:21.336870  <6>[   38.506709] lkdtm: Value in memory before free: 12345678

 3967 08:45:21.344009  <6>[   38.512311] lkdtm: Attempting bad read from freed memory

 3968 08:45:21.347161  <6>[   38.517880] lkdtm: Memory was not poisoned

 3969 08:45:21.367177  # [   38.500956] lkdtm: Performing direct entry READ_AFTER_FREE

 3970 08:45:21.373764  # [   38.506709] lkdtm: Value in memory before free: 12345678

 3971 08:45:21.380537  # [   38.512311] lkdtm: Attempting bad read from freed memory

 3972 08:45:21.383811  # [   38.517880] lkdtm: Memory was not poisoned

 3973 08:45:21.387247  # READ_AFTER_FREE: missing 'call trace:': [FAIL]

 3974 08:45:21.394112  not ok 20 selftests: lkdtm: READ_AFTER_FREE.sh # exit=1

 3975 08:45:21.396693  # selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh

 3976 08:45:21.437878  # Skipping WRITE_BUDDY_AFTER_FREE: Corrupts memory on failure

 3977 08:45:21.444382  ok 21 selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # SKIP

 3978 08:45:21.447878  # selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh

 3979 08:45:21.523046  <6>[   38.693399] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE

 3980 08:45:21.529508  <6>[   38.699682] lkdtm: Value in memory before free: 12345678

 3981 08:45:21.536415  <6>[   38.705291] lkdtm: Attempting to read from freed memory

 3982 08:45:21.539797  <6>[   38.710808] lkdtm: Buddy page was not poisoned

 3983 08:45:21.569172  # [   38.693399] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE

 3984 08:45:21.575932  # [   38.699682] lkdtm: Value in memory before free: 12345678

 3985 08:45:21.582312  # [   38.705291] lkdtm: Attempting to read from freed memory

 3986 08:45:21.585790  # [   38.710808] lkdtm: Buddy page was not poisoned

 3987 08:45:21.589281  # READ_BUDDY_AFTER_FREE: missing 'call trace:': [FAIL]

 3988 08:45:21.595679  not ok 22 selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh # exit=1

 3989 08:45:21.598913  # selftests: lkdtm: SLAB_FREE_DOUBLE.sh

 3990 08:45:21.667645  <6>[   38.837670] lkdtm: Performing direct entry SLAB_FREE_DOUBLE

 3991 08:45:21.673693  <6>[   38.843516] lkdtm: Attempting double slab free ...

 3992 08:45:21.693168  # [   38.837670] lkdtm: Performing direct entry SLAB_FREE_DOUBLE

 3993 08:45:21.699819  # [   38.843516] lkdtm: Attempting double slab free ...

 3994 08:45:21.703114  # SLAB_FREE_DOUBLE: missing 'call trace:': [FAIL]

 3995 08:45:21.709872  not ok 23 selftests: lkdtm: SLAB_FREE_DOUBLE.sh # exit=1

 3996 08:45:21.712824  # selftests: lkdtm: SLAB_FREE_CROSS.sh

 3997 08:45:21.779249  <6>[   38.949901] lkdtm: Performing direct entry SLAB_FREE_CROSS

 3998 08:45:21.785637  <6>[   38.955676] lkdtm: Attempting cross-cache slab free ...

 3999 08:45:21.806210  # [   38.949901] lkdtm: Performing direct entry SLAB_FREE_CROSS

 4000 08:45:21.812459  # [   38.955676] lkdtm: Attempting cross-cache slab free ...

 4001 08:45:21.815773  # SLAB_FREE_CROSS: missing 'call trace:': [FAIL]

 4002 08:45:21.822475  not ok 24 selftests: lkdtm: SLAB_FREE_CROSS.sh # exit=1

 4003 08:45:21.825858  # selftests: lkdtm: SLAB_FREE_PAGE.sh

 4004 08:45:21.893240  <6>[   39.063757] lkdtm: Performing direct entry SLAB_FREE_PAGE

 4005 08:45:21.899555  <6>[   39.069425] lkdtm: Attempting non-Slab slab free ...

 4006 08:45:21.927806  # [   39.063757] lkdtm: Performing direct entry SLAB_FREE_PAGE

 4007 08:45:21.934576  # [   39.069425] lkdtm: Attempting non-Slab slab free ...

 4008 08:45:21.938007  # SLAB_FREE_PAGE: missing 'call trace:': [FAIL]

 4009 08:45:21.940934  not ok 25 selftests: lkdtm: SLAB_FREE_PAGE.sh # exit=1

 4010 08:45:21.944322  # selftests: lkdtm: SOFTLOCKUP.sh

 4011 08:45:21.994914  # Skipping SOFTLOCKUP: Hangs the system

 4012 08:45:21.997843  ok 26 selftests: lkdtm: SOFTLOCKUP.sh # SKIP

 4013 08:45:22.001653  # selftests: lkdtm: HARDLOCKUP.sh

 4014 08:45:22.052368  # Skipping HARDLOCKUP: Hangs the system

 4015 08:45:22.055656  ok 27 selftests: lkdtm: HARDLOCKUP.sh # SKIP

 4016 08:45:22.058661  # selftests: lkdtm: SPINLOCKUP.sh

 4017 08:45:22.114983  # Skipping SPINLOCKUP: Hangs the system

 4018 08:45:22.117828  ok 28 selftests: lkdtm: SPINLOCKUP.sh # SKIP

 4019 08:45:22.121301  # selftests: lkdtm: HUNG_TASK.sh

 4020 08:45:22.168608  # Skipping HUNG_TASK: Hangs the system

 4021 08:45:22.172303  ok 29 selftests: lkdtm: HUNG_TASK.sh # SKIP

 4022 08:45:22.174635  # selftests: lkdtm: EXEC_DATA.sh

 4023 08:45:22.236603  <6>[   39.407179] lkdtm: Performing direct entry EXEC_DATA

 4024 08:45:22.243143  <6>[   39.412415] lkdtm: attempting ok execution at ffffffff9237c5f0

 4025 08:45:22.249800  <6>[   39.418549] lkdtm: attempting bad execution at ffffffff95625d40

 4026 08:45:22.256464  <2>[   39.424732] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)

 4027 08:45:22.263091  <1>[   39.432462] BUG: unable to handle page fault for address: ffffffff95625d40

 4028 08:45:22.269547  <1>[   39.439585] #PF: supervisor instruction fetch in kernel mode

 4029 08:45:22.276487  <1>[   39.445495] #PF: error_code(0x0011) - permissions violation

 4030 08:45:22.282970  <6>[   39.451317] PGD 48029067 P4D 48029067 PUD 4802a063 PMD 80000000498001e3 

 4031 08:45:22.286468  <4>[   39.458270] Oops: 0011 [#5] SMP NOPTI

 4032 08:45:22.296278  <4>[   39.462187] CPU: 0 PID: 1557 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 4033 08:45:22.299655  <4>[   39.470168] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 4034 08:45:22.306261  <4>[   39.476342] RIP: 0010:data_area+0x0/0x40

 4035 08:45:22.322413  <4>[   39.480520] Code: ff ff 00 ad 8f 04 7f 94 ff ff 00 ac 8f 04 7f 94 ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <0f> 1f 44 00 00 e9 06 85 a8 00 66 0f 1f 44 00 00 0f 1f 44 00 00 55

 4036 08:45:22.329307  <4>[   39.499516] RSP: 0018:ffffa2db01a3fe48 EFLAGS: 00010246

 4037 08:45:22.335621  <4>[   39.504997] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000

 4038 08:45:22.345837  <4>[   39.512378] RDX: 0000000000000000 RSI: ffff947f2ac1bf50 RDI: ffff947f2ac1bf50

 4039 08:45:22.351997  <4>[   39.519761] RBP: ffffffff95625d40 R08: 0000000000000000 R09: 0000000000000000

 4040 08:45:22.358673  <4>[   39.527143] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a

 4041 08:45:22.365472  <4>[   39.534526] R13: ffffa2db01a3ff10 R14: ffffa2db01a3ff10 R15: ffff947f037df000

 4042 08:45:22.375314  <4>[   39.541913] FS:  00007fba61763580(0000) GS:ffff947f2ac00000(0000) knlGS:0000000000000000

 4043 08:45:22.382126  <4>[   39.550250] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4044 08:45:22.388637  <4>[   39.556246] CR2: ffffffff95625d40 CR3: 00000001029a4000 CR4: 00000000001506f0

 4045 08:45:22.392067  <4>[   39.563629] Call Trace:

 4046 08:45:22.395267  <4>[   39.566338]  ? __die_body.cold+0x1a/0x1f

 4047 08:45:22.398628  <4>[   39.570520]  ? no_context+0x177/0x380

 4048 08:45:22.402041  <4>[   39.574441]  ? exc_page_fault+0xd7/0x170

 4049 08:45:22.408885  <4>[   39.578621]  ? asm_exc_page_fault+0x1e/0x30

 4050 08:45:22.412127  <4>[   39.583064]  ? execute_location+0x48/0x56

 4051 08:45:22.414957  <4>[   39.587327]  ? direct_entry.cold+0x2c/0x38

 4052 08:45:22.421577  <4>[   39.591681]  ? full_proxy_write+0x56/0x80

 4053 08:45:22.425040  <4>[   39.595946]  ? vfs_write+0xea/0x3b0

 4054 08:45:22.428448  <4>[   39.599691]  ? ksys_write+0x68/0xf0

 4055 08:45:22.432094  <4>[   39.603436]  ? do_syscall_64+0x33/0x40

 4056 08:45:22.438562  <4>[   39.607439]  ? entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4057 08:45:22.478003  <4>[   39.612918] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common cros_ec_dev snd_soc_acp_da7219mx98357_mach designware_i2s cros_usbpd_notify snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 4058 08:45:22.481279  <4>[   39.652843] CR2: ffffffff95625d40

 4059 08:45:22.484810  <4>[   39.656416] ---[ end trace 2f8aaab59271fed3 ]---

 4060 08:45:22.491416  <4>[   39.661291] RIP: 0010:lkdtm_BUG+0x5/0x10

 4061 08:45:22.507917  <4>[   39.665466] Code: 89 ff e8 5e d2 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 e9 88 a8 00 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 d0 9a 2a 03

 4062 08:45:22.514628  <4>[   39.684462] RSP: 0018:ffffa2db00c4fe60 EFLAGS: 00010282

 4063 08:45:22.521437  <4>[   39.689938] RAX: ffffffff9237c220 RBX: 0000000000000001 RCX: 0000000000000000

 4064 08:45:22.527767  <4>[   39.697320] RDX: 0000000000000000 RSI: ffff947f2ad1bf50 RDI: ffffffff93794030

 4065 08:45:22.537512  <4>[   39.704702] RBP: ffffffff93c7e9e8 R08: 0000000000000001 R09: 0000000000000001

 4066 08:45:22.544104  <4>[   39.712084] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4067 08:45:22.550866  <4>[   39.719467] R13: ffffa2db00c4ff10 R14: ffffa2db00c4ff10 R15: ffff947f03a8f000

 4068 08:45:22.560874  <4>[   39.726850] FS:  00007fba61763580(0000) GS:ffff947f2ac00000(0000) knlGS:0000000000000000

 4069 08:45:22.563902  <4>[   39.735185] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4070 08:45:22.573843  <4>[   39.741181] CR2: ffffffff95625d40 CR3: 00000001029a4000 CR4: 00000000001506f0

 4071 08:45:22.580451  <3>[   39.748565] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 4072 08:45:22.590487  <3>[   39.757683] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1557, name: cat

 4073 08:45:22.594093  <4>[   39.765498] INFO: lockdep is turned off.

 4074 08:45:22.597434  <4>[   39.769673] irq event stamp: 0

 4075 08:45:22.603789  <4>[   39.772984] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 4076 08:45:22.613806  <4>[   39.779514] hardirqs last disabled at (0): [<ffffffff918fd6dc>] copy_process+0x65c/0x20e0

 4077 08:45:22.620478  <4>[   39.787937] softirqs last  enabled at (0): [<ffffffff918fd6dc>] copy_process+0x65c/0x20e0

 4078 08:45:22.627034  <4>[   39.796360] softirqs last disabled at (0): [<0000000000000000>] 0x0

 4079 08:45:22.633662  <4>[   39.802877] CPU: 0 PID: 1557 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 4080 08:45:22.640321  <4>[   39.810866] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 4081 08:45:22.643586  <4>[   39.817035] Call Trace:

 4082 08:45:22.647352  <4>[   39.819742]  dump_stack+0x77/0x9b

 4083 08:45:22.653544  <4>[   39.823315]  ___might_sleep.cold+0xa6/0xb6

 4084 08:45:22.656751  <4>[   39.827669]  exit_signals+0x1c/0x300

 4085 08:45:22.660196  <4>[   39.831500]  do_exit+0xc2/0xab0

 4086 08:45:22.663503  <4>[   39.834899]  ? ksys_write+0x68/0xf0

 4087 08:45:22.666793  <4>[   39.838645]  make_task_dead+0x2f/0x30

 4088 08:45:22.673348  <4>[   39.842563]  rewind_stack_and_make_dead+0x17/0x20

 4089 08:45:22.676760  <4>[   39.847521] RIP: 0033:0x7fba6163b473

 4090 08:45:22.693544  <4>[   39.851350] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 4091 08:45:22.703088  <4>[   39.870347] RSP: 002b:00007ffef18a9458 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4092 08:45:22.709736  <4>[   39.878166] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fba6163b473

 4093 08:45:22.716411  <4>[   39.885548] RDX: 000000000000000a RSI: 00007fba6152f000 RDI: 0000000000000001

 4094 08:45:22.726610  <4>[   39.892931] RBP: 00007fba6152f000 R08: 00007fba6152e010 R09: 0000000000000000

 4095 08:45:22.733039  <4>[   39.900312] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4096 08:45:22.739684  <4>[   39.907694] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4097 08:45:22.742842  # Killed

 4098 08:45:22.809074  # [   39.407179] lkdtm: Performing direct entry EXEC_DATA

 4099 08:45:22.815484  # [   39.412415] lkdtm: attempting ok execution at ffffffff9237c5f0

 4100 08:45:22.822123  # [   39.418549] lkdtm: attempting bad execution at ffffffff95625d40

 4101 08:45:22.828874  # [   39.424732] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)

 4102 08:45:22.836069  # [   39.432462] BUG: unable to handle page fault for address: ffffffff95625d40

 4103 08:45:22.841888  # [   39.439585] #PF: supervisor instruction fetch in kernel mode

 4104 08:45:22.848643  # [   39.445495] #PF: error_code(0x0011) - permissions violation

 4105 08:45:22.855426  # [   39.451317] PGD 48029067 P4D 48029067 PUD 4802a063 PMD 80000000498001e3 

 4106 08:45:22.858660  # [   39.458270] Oops: 0011 [#5] SMP NOPTI

 4107 08:45:22.865082  # [   39.462187] CPU: 0 PID: 1557 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 4108 08:45:22.872026  # [   39.470168] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 4109 08:45:22.874965  # [   39.476342] RIP: 0010:data_area+0x0/0x40

 4110 08:45:22.894718  # [   39.480520] Code: ff ff 00 ad 8f 04 7f 94 ff ff 00 ac 8f 04 7f 94 ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <0f> 1f 44 00 00 e9 06 85 a8 00 66 0f 1f 44 00 00 0f 1f 44 00 00 55

 4111 08:45:22.901268  # [   39.499516] RSP: 0018:ffffa2db01a3fe48 EFLAGS: 00010246

 4112 08:45:22.908324  # [   39.504997] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000

 4113 08:45:22.914458  # [   39.512378] RDX: 0000000000000000 RSI: ffff947f2ac1bf50 RDI: ffff947f2ac1bf50

 4114 08:45:22.921168  #<6>[   40.085594] lkdtm: Performing direct entry EXEC_STACK

 4115 08:45:22.927977   [   39.519761] RBP: ffffffff95625d40 R08: 0000000000000000 R09: 0000000000000000

 4116 08:45:22.934558  # [   39.527143] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a

 4117 08:45:22.940907  # [   39.534526] R13: ffffa2db01a3ff10 R14: ffffa2db01a3ff10 R15: ffff947f037df000

 4118 08:45:22.947924  # [  <6>[   40.095733] lkdtm: attempting ok execution at ffffffff9237c5f0

 4119 08:45:22.957470   39.541913] FS:  00007fba61763580(0000) GS:ffff947f2ac00000(0000) knlGS:0000000000000000

 4120 08:45:22.960973  # [   39.550250] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4121 08:45:22.970739  # [   39.556246] CR2: ffffffff95625d40 CR3: 00000001029a4000 CR4: 00000000001506f0

 4122 08:45:22.977795  # [   39.56362<6>[   40.124044] lkdtm: attempting bad execution at ffffa2db01aafe18

 4123 08:45:22.977914  9] Call Trace:

 4124 08:45:22.981074  # [   39.566338]  ? __die_body.cold+0x1a/0x1f

 4125 08:45:22.987307  # [   39.570520]  ? no_context+0x177/0x380

 4126 08:45:22.990560  # [   39.574441]  ? exc_page_fault+0xd7/0x170

 4127 08:45:22.993836  # [   39.578621]  ? asm_exc_page_fault+0x1e/0x30

 4128 08:45:22.997387  # [   39.583064]  ? execute_location+0x48/0x56

 4129 08:45:23.007194  # [ <2>[   40.152418] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)

 4130 08:45:23.010472    39.587327]  ? direct_entry.cold+0x2c/0x38

 4131 08:45:23.013990  # [   39.591681]  ? full_proxy_write+0x56/0x80

 4132 08:45:23.017456  # [   39.595946]  ? vfs_write+0xea/0x3b0

 4133 08:45:23.020480  # [   39.599691]  ? ksys_write+0x68/0xf0

 4134 08:45:23.026880  # [   39.603436]  ? do_syscall_64+0x33/0x40

 4135 08:45:23.036858  # [   39.607439]  ? entry_SYSCALL_<1>[   40.182283] BUG: unable to handle page fault for address: ffffa2db01aafe18

 4136 08:45:23.036947  64_after_hwframe+0x62/0xc7

 4137 08:45:23.063213  # [   39.612918] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_com<1>[   40.211591] #PF: supervisor instruction fetch in kernel mode

 4138 08:45:23.070095  <1>[   40.239687] #PF: error_code(0x0011) - permissions violation

 4139 08:45:23.089729  mon cros_ec_dev snd_soc_acp_da7219mx98357_mach designware_i2s cros_usbpd_notify snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 4140 08:45:23.099421  # [   39.652843] CR2: fff<6>[   40.245509] PGD 100000067 P4D 100000067 PUD 100241067 PMD 1037e9067 PTE 8000000102661163

 4141 08:45:23.102902  fffff95625d40

 4142 08:45:23.105883  # [   39.656416] ---[ end trace 2f8aaab59271fed3 ]---

 4143 08:45:23.109277  # [   39.661291] RIP: 0010:lkdtm_BUG+0x5/0x10

 4144 08:45:23.125777  # [   39.665466] Code: 89 ff e8 5e d2 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 e9 88 a8 00 48 c7 c0 f4 ff ff ff eb c9 0f 1f<4>[   40.276030] Oops: 0011 [#6] SMP NOPTI

 4145 08:45:23.132342   44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 d0 9a 2a 03

 4146 08:45:23.139113  # [   39.684462] RSP: 0018:ffffa2db00c4fe60 EFLAGS: 00010282

 4147 08:45:23.145865  # [   39.689938] RAX: ffffffff9237c220 RBX: 0000000000000001 RCX: 0000000000000000

 4148 08:45:23.155466  # [   39.697320] RDX: 000000000<4>[   40.302134] CPU: 1 PID: 1594 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 4149 08:45:23.162195  00<00000 RSI: ffff947f2ad1bf50 RDI: ffffffff93794030

 4150 08:45:23.168866  # [   39.704702] RBP: ffffffff93c7e9e8 R08: 0000000000000001 R09: 0000000000000001

 4151 08:45:23.175662  # [   39.712084] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4152 08:45:23.185311  # [   39.719467] R13: ffffa2db00c4f4>[   40.332306] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 4153 08:45:23.188485  f10 R14: ffffa2db00c4ff10 R15: ffff947f03a8f000

 4154 08:45:23.198402  # [   39.726850] FS:  00007fba61763580(0000) GS:ffff947f2ac00000(0000) knlGS:0000000000000000

 4155 08:45:23.205248  # [   39.735185] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4156 08:45:23.211740  # [   39.741181] CR2: ffffffff95625d40 CR3: <4>[   40.360667] RIP: 0010:0xffffa2db01aafe18

 4157 08:45:23.214717  00000001029a4000 CR4: 00000000001506f0

 4158 08:45:23.224745  # [   39.748565] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 4159 08:45:23.231492  # [   39.757683] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1557, name: cat

 4160 08:45:23.251135  # [   39.765498] INFO: <4>[   40.387029] Code: 00 00 18 fe aa 01 db a2 ff ff df 36 a4 92 ff ff ff ff 20 00 00 00 00 00 00 00 de a2 c1 93 ff ff ff ff 0b 38 a4 92 ff ff ff ff <0f> 1f 44 00 00 e9 06 85 a8 00 66 0f 1f 44 00 00 0f 1f 44 00 00 55

 4161 08:45:23.254746  lockdep is turned off.

 4162 08:45:23.258108  # [   39.769673] irq event stamp: 0

 4163 08:45:23.264306  # [   39.772984] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 4164 08:45:23.271608  # [   39.779514] hardirqs last disabled at (0): [<ffffffff918fd6dc>] copy_process+0x65c/0x20e0

 4165 08:45:23.281033  # [   39.787937] softirqs<4>[   40.428213] RSP: 0018:ffffa2db01aafdf8 EFLAGS: 00010246

 4166 08:45:23.287592   last  enabled at (0): [<ffffffff918fd6dc>] copy_process+0x65c/0x20e0

 4167 08:45:23.294361  # [   39.796360] softirqs last disabled at (0): [<0000000000000000>] 0x0

 4168 08:45:23.300459  # [   39.802877] CPU: 0 PID: 1557 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 4169 08:45:23.310656  # [   39.810866] Har<4>[   40.455875] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000

 4170 08:45:23.317064  <4>[   40.485445] RDX: 0000000000000000 RSI: ffff947f2ad1bf50 RDI: ffff947f2ad1bf50

 4171 08:45:23.320466  dware name: Google Grunt/Grunt, BIOS  09/05/2019

 4172 08:45:23.323884  # [   39.817035] Call Trace:

 4173 08:45:23.327229  # [   39.819742]  dump_stack+0x77/0x9b

 4174 08:45:23.330198  # [   39.823315]  ___might_sleep.cold+0xa6/0xb6

 4175 08:45:23.336975  # [   39.827669]  exit_signals+0x1c/0x300

 4176 08:45:23.340321  # [   39.831500]  do_exit+0xc2/0xab0

 4177 08:45:23.346863  # [   <4>[   40.492829] RBP: ffffa2db01aafe18 R08: 0000000000000000 R09: 0000000000000000

 4178 08:45:23.350153  39<.834899]  ? ksys_write+0x68/0xf0

 4179 08:45:23.353472  # [   39.838645]  make_task_dead+0x2f/0x30

 4180 08:45:23.360425  # [   39.842563]  rewind_stack_and_make_dead+0x17/0x20

 4181 08:45:23.363344  # [   39.847521] RIP: 0033:0x7fba6163b473

 4182 08:45:23.377026  # [   39.851350] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff 4>[   40.522394] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b

 4183 08:45:23.389759  eb< b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 4184 08:45:23.396595  # [   39.870347] RSP: 002b:00007ffef18a9458 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4185 08:45:23.406178  # [   39.878166] RAX: ffff4>[   40.551964] R13: ffffa2db01aaff10 R14: ffffa2db01aaff10 R15: ffff947f066d3000

 4186 08:45:23.409790  ffffffffffda RBX: 000000000000000a RCX: 00007fba6163b473

 4187 08:45:23.419490  # [   39.885548] RDX: 000000000000000a RSI: 00007fba6152f000 RDI: 0000000000000001

 4188 08:45:23.426203  # [   39.892931] RBP: 00007fba6152f000 R08: 00007fba6152e010 R09: 0000000000000000

 4189 08:45:23.436291  # [   39.900312] R10: ffffffff<4>[   40.581534] FS:  00007efe91bd7580(0000) GS:ffff947f2ad00000(0000) knlGS:0000000000000000

 4190 08:45:23.442564  ff<fffbc5 R11: 0000000000000246 R12: 0000000000000001

 4191 08:45:23.449299  # [   39.907694] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4192 08:45:23.452646  # EXEC_DATA: saw 'call trace:': ok

 4193 08:45:23.455727  ok 30 selftests: lkdtm: EXEC_DATA.sh

 4194 08:45:23.459362  # selftests: lkdtm: EXEC_STACK.sh

 4195 08:45:23.462679  4>[   40.612074] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4196 08:45:23.472366  <4>[   40.639481] CR2: ffffa2db01aafe18 CR3: 00000001037c6000 CR4: 00000000001506e0

 4197 08:45:23.472451  <4>[   40.646864] Call Trace:

 4198 08:45:23.479285  <4>[   40.649577]  ? __die_body.cold+0x1a/0x1f

 4199 08:45:23.482516  <4>[   40.653759]  ? no_context+0x177/0x380

 4200 08:45:23.485857  <4>[   40.657681]  ? exc_page_fault+0xd7/0x170

 4201 08:45:23.489042  <4>[   40.661860]  ? asm_exc_page_fault+0x1e/0x30

 4202 08:45:23.495529  <4>[   40.666305]  ? execute_location+0x48/0x56

 4203 08:45:23.498992  <4>[   40.670568]  ? lkdtm_EXEC_STACK+0x26/0x44

 4204 08:45:23.502455  <4>[   40.674834]  ? direct_entry.cold+0x2c/0x38

 4205 08:45:23.508856  <4>[   40.679187]  ? full_proxy_write+0x56/0x80

 4206 08:45:23.512306  <4>[   40.683454]  ? vfs_write+0xea/0x3b0

 4207 08:45:23.515662  <4>[   40.687199]  ? ksys_write+0x68/0xf0

 4208 08:45:23.518628  <4>[   40.690945]  ? do_syscall_64+0x33/0x40

 4209 08:45:23.525480  <4>[   40.694948]  ? entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4210 08:45:23.565411  <4>[   40.700429] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common cros_ec_dev snd_soc_acp_da7219mx98357_mach designware_i2s cros_usbpd_notify snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 4211 08:45:23.568749  <4>[   40.740352] CR2: ffffa2db01aafe18

 4212 08:45:23.572144  <4>[   40.743924] ---[ end trace 2f8aaab59271fed4 ]---

 4213 08:45:23.578405  <4>[   40.748798] RIP: 0010:lkdtm_BUG+0x5/0x10

 4214 08:45:23.594908  <4>[   40.752976] Code: 89 ff e8 5e d2 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 e9 88 a8 00 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 d0 9a 2a 03

 4215 08:45:23.602406  <4>[   40.771973] RSP: 0018:ffffa2db00c4fe60 EFLAGS: 00010282

 4216 08:45:23.608568  <4>[   40.777454] RAX: ffffffff9237c220 RBX: 0000000000000001 RCX: 0000000000000000

 4217 08:45:23.615104  <4>[   40.784838] RDX: 0000000000000000 RSI: ffff947f2ad1bf50 RDI: ffffffff93794030

 4218 08:45:23.624874  <4>[   40.792222] RBP: ffffffff93c7e9e8 R08: 0000000000000001 R09: 0000000000000001

 4219 08:45:23.631407  <4>[   40.799604] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4220 08:45:23.638425  <4>[   40.806989] R13: ffffa2db00c4ff10 R14: ffffa2db00c4ff10 R15: ffff947f03a8f000

 4221 08:45:23.647936  <4>[   40.814371] FS:  00007efe91bd7580(0000) GS:ffff947f2ad00000(0000) knlGS:0000000000000000

 4222 08:45:23.654789  <4>[   40.822708] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4223 08:45:23.661195  <4>[   40.828703] CR2: ffffa2db01aafe18 CR3: 00000001037c6000 CR4: 00000000001506e0

 4224 08:45:23.671427  <3>[   40.836088] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 4225 08:45:23.677693  <3>[   40.845205] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1594, name: cat

 4226 08:45:23.681149  <4>[   40.853021] INFO: lockdep is turned off.

 4227 08:45:23.684707  <4>[   40.857197] irq event stamp: 0

 4228 08:45:23.690846  <4>[   40.860518] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 4229 08:45:23.701374  <4>[   40.867038] hardirqs last disabled at (0): [<ffffffff918fd6dc>] copy_process+0x65c/0x20e0

 4230 08:45:23.707717  <4>[   40.875462] softirqs last  enabled at (0): [<ffffffff918fd6dc>] copy_process+0x65c/0x20e0

 4231 08:45:23.714124  <4>[   40.883887] softirqs last disabled at (0): [<0000000000000000>] 0x0

 4232 08:45:23.724362  <4>[   40.890406] CPU: 1 PID: 1594 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 4233 08:45:23.727307  <4>[   40.898397] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 4234 08:45:23.730875  <4>[   40.904567] Call Trace:

 4235 08:45:23.734060  <4>[   40.907276]  dump_stack+0x77/0x9b

 4236 08:45:23.741038  <4>[   40.910850]  ___might_sleep.cold+0xa6/0xb6

 4237 08:45:23.744337  <4>[   40.915203]  exit_signals+0x1c/0x300

 4238 08:45:23.747120  <4>[   40.919034]  do_exit+0xc2/0xab0

 4239 08:45:23.750815  <4>[   40.922433]  ? ksys_write+0x68/0xf0

 4240 08:45:23.753962  <4>[   40.926178]  make_task_dead+0x2f/0x30

 4241 08:45:23.760692  <4>[   40.930099]  rewind_stack_and_make_dead+0x17/0x20

 4242 08:45:23.764350  <4>[   40.935057] RIP: 0033:0x7efe91ab3473

 4243 08:45:23.783745  <4>[   40.938889] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 4244 08:45:23.790416  <4>[   40.957889] RSP: 002b:00007fffabf743b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4245 08:45:23.796876  <4>[   40.965709] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007efe91ab3473

 4246 08:45:23.803835  <4>[   40.973096] RDX: 000000000000000b RSI: 00007efe919a7000 RDI: 0000000000000001

 4247 08:45:23.813359  <4>[   40.980480] RBP: 00007efe919a7000 R08: 00007efe919a6010 R09: 0000000000000000

 4248 08:45:23.820319  <4>[   40.987864] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4249 08:45:23.826802  <4>[   40.995246] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4250 08:45:23.968074  <6>[   41.138310] lkdtm: Performing direct entry EXEC_KMALLOC

 4251 08:45:23.968208  # Killed

 4252 08:45:23.974199  # [   40.085594] lkdtm: Performing direct entry EXEC_STACK

 4253 08:45:23.980918  # [   40.095733] lkdtm: attempting ok execution at ffffffff9237c5f0

 4254 08:45:23.987364  # [   40.124044] lkdtm: attempting bad execution at ffffa2db01aafe18

 4255 08:45:23.997419  # [   40.152418] kernel tried to execute NX-pro<6>[   41.143873] lkdtm: attempting ok execution at ffffffff9237c5f0

 4256 08:45:24.000508  tected page - exploit attempt? (uid: 0)

 4257 08:45:24.007591  # [   40.182283] BUG: unable to handle page fault for address: ffffa2db01aafe18

 4258 08:45:24.013986  # [   40.211591] #PF: supervisor instruction fetch in kernel mode

 4259 08:45:24.017260  # [   40.239687] #PF: error_code(0x0011) - permissions violation

 4260 08:45:24.023689  #<6>[   41.172180] lkdtm: attempting bad execution at ffff947f03492980

 4261 08:45:24.033817   [   40.245509] PGD 100000067 P4D 100000067 PUD 100241067 PMD 1037e9067 PTE 8000000102661163

 4262 08:45:24.037457  # [   40.276030] Oops: 0011 [#6] SMP NOPTI

 4263 08:45:24.043880  # [   40.302134] CPU: 1 PID: 1594 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 4264 08:45:24.054068  # [   40.332306] Hardware n<2>[   41.200543] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)

 4265 08:45:24.060520  <1>[   41.230390] BUG: unable to handle page fault for address: ffff947f03492980

 4266 08:45:24.067427  <1>[   41.237515] #PF: supervisor instruction fetch in kernel mode

 4267 08:45:24.073828  <1>[   41.243424] #PF: error_code(0x0011) - permissions violation

 4268 08:45:24.080581  <6>[   41.249248] PGD 49a01067 P4D 49a01067 PUD 49a05067 PMD 1056fa063 PTE 8000000103492163

 4269 08:45:24.087054  <4>[   41.257333] Oops: 0011 [#7] SMP NOPTI

 4270 08:45:24.093861  <4>[   41.261269] CPU: 0 PID: 1631 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 4271 08:45:24.100053  <4>[   41.269257] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 4272 08:45:24.103438  <4>[   41.275432] RIP: 0010:0xffff947f03492980

 4273 08:45:24.123401  <4>[   41.279609] Code: 00 00 02 01 00 00 00 00 00 00 50 de 5c 05 7f 94 ff ff 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 bb a8 a5 91 ff ff ff ff <0f> 1f 44 00 00 e9 06 85 a8 00 66 0f 1f 44 00 00 0f 1f 44 00 00 55

 4274 08:45:24.130193  <4>[   41.298605] RSP: 0018:ffffa2db01b4fe38 EFLAGS: 00010246

 4275 08:45:24.136439  <4>[   41.304084] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000

 4276 08:45:24.143299  <4>[   41.311466] RDX: 0000000000000000 RSI: ffff947f2ac1bf50 RDI: ffff947f2ac1bf50

 4277 08:45:24.149669  <4>[   41.318849] RBP: ffff947f03492980 R08: 0000000000000000 R09: 0000000000000000

 4278 08:45:24.156571  <4>[   41.326232] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d

 4279 08:45:24.166533  <4>[   41.333616] R13: ffffa2db01b4ff10 R14: ffffa2db01b4ff10 R15: ffff947f030dc000

 4280 08:45:24.173122  <4>[   41.340999] FS:  00007f8a5a6ab580(0000) GS:ffff947f2ac00000(0000) knlGS:0000000000000000

 4281 08:45:24.179406  <4>[   41.349335] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4282 08:45:24.186068  <4>[   41.355331] CR2: ffff947f03492980 CR3: 0000000103396000 CR4: 00000000001506f0

 4283 08:45:24.189313  <4>[   41.362714] Call Trace:

 4284 08:45:24.192855  <4>[   41.365425]  ? __die_body.cold+0x1a/0x1f

 4285 08:45:24.199398  <4>[   41.369607]  ? no_context+0x177/0x380

 4286 08:45:24.202887  <4>[   41.373530]  ? exc_page_fault+0xd7/0x170

 4287 08:45:24.206204  <4>[   41.377710]  ? asm_exc_page_fault+0x1e/0x30

 4288 08:45:24.209589  <4>[   41.382154]  ? execute_location+0x48/0x56

 4289 08:45:24.216151  <4>[   41.386420]  ? lkdtm_EXEC_KMALLOC+0x2c/0x40

 4290 08:45:24.219689  <4>[   41.390858]  ? direct_entry.cold+0x2c/0x38

 4291 08:45:24.222777  <4>[   41.395211]  ? full_proxy_write+0x56/0x80

 4292 08:45:24.229022  <4>[   41.399477]  ? vfs_write+0xea/0x3b0

 4293 08:45:24.232476  <4>[   41.403222]  ? ksys_write+0x68/0xf0

 4294 08:45:24.235861  <4>[   41.406966]  ? do_syscall_64+0x33/0x40

 4295 08:45:24.242673  <4>[   41.410970]  ? entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4296 08:45:24.282377  <4>[   41.416451] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common cros_ec_dev snd_soc_acp_da7219mx98357_mach designware_i2s cros_usbpd_notify snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 4297 08:45:24.285404  <4>[   41.456375] CR2: ffff947f03492980

 4298 08:45:24.288963  <4>[   41.459947] ---[ end trace 2f8aaab59271fed5 ]---

 4299 08:45:24.292677  <4>[   41.464818] RIP: 0010:lkdtm_BUG+0x5/0x10

 4300 08:45:24.312321  <4>[   41.468996] Code: 89 ff e8 5e d2 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 e9 88 a8 00 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 d0 9a 2a 03

 4301 08:45:24.318803  <4>[   41.487993] RSP: 0018:ffffa2db00c4fe60 EFLAGS: 00010282

 4302 08:45:24.325423  <4>[   41.493470] RAX: ffffffff9237c220 RBX: 0000000000000001 RCX: 0000000000000000

 4303 08:45:24.331668  <4>[   41.500853] RDX: 0000000000000000 RSI: ffff947f2ad1bf50 RDI: ffffffff93794030

 4304 08:45:24.338390  <4>[   41.508235] RBP: ffffffff93c7e9e8 R08: 0000000000000001 R09: 0000000000000001

 4305 08:45:24.348273  <4>[   41.515626] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4306 08:45:24.355272  <4>[   41.523014] R13: ffffa2db00c4ff10 R14: ffffa2db00c4ff10 R15: ffff947f03a8f000

 4307 08:45:24.361964  <4>[   41.530400] FS:  00007f8a5a6ab580(0000) GS:ffff947f2ac00000(0000) knlGS:0000000000000000

 4308 08:45:24.368180  <4>[   41.538739] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4309 08:45:24.374876  <4>[   41.544737] CR2: ffff947f03492980 CR3: 0000000103396000 CR4: 00000000001506f0

 4310 08:45:24.381831  ame: Google Grunt/Grunt, BIOS  09/05/2019

 4311 08:45:24.384792  # [   40.360667] RIP: 0010:0xffffa2db01aafe18

 4312 08:45:24.404861  # [   40.387029] Code: 00 00 18 fe aa 01 db a2 ff ff df 36 a4 92 ff ff ff ff 20 00 00 00 00 00 00 00 de a2 c1 93 ff ff ff ff 0b 38 a4 92 ff ff ff ff <0f> 1f 44 00 00 e9 06 85 a8 00 66 0f 1f 44 00 00 0f 1f 44 00 00 55

 4313 08:45:24.407972  # [   40.428213] RSP: 0018:ffffa2db01aafdf8 EFLAGS: 00010246

 4314 08:45:24.414665  # [   40.455875] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000

 4315 08:45:24.424459  # [   40.485445] RDX: 0000000000000000 RSI: ffff947f2ad1bf50 RDI: ffff947f2ad1bf50

 4316 08:45:24.431223  # [   40.492829] RBP: ffffa2db01aafe18 R08: 0000000000000000 R09: 0000000000000000

 4317 08:45:24.437598  # [   40.522394] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b

 4318 08:45:24.444171  # [   40.551964] R13: ffffa2db01aaff10 R14: ffffa2db01aaff10 R15: ffff947f066d3000

 4319 08:45:24.454222  # [   40.581534] FS:  00007efe91bd7580(0000) GS:ffff947f2ad00000(0000) knlGS:0000000000000000

 4320 08:45:24.457709  # [   40.612074] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4321 08:45:24.467308  # [   40.639481] CR2: ffffa2db01aafe18 CR3: 00000001037c6000 CR4: 00000000001506e0

 4322 08:45:24.467392  # [   40.646864] Call Trace:

 4323 08:45:24.474076  # [   40.649577]  ? __die_body.cold+0x1a/0x1f

 4324 08:45:24.477161  # [   40.653759]  ? no_context+0x177/0x380

 4325 08:45:24.480600  # [   40.657681]  ? exc_page_fault+0xd7/0x170

 4326 08:45:24.483759  # [   40.661860]  ? asm_exc_page_fault+0x1e/0x30

 4327 08:45:24.490322  # [   40.666305]  ? execute_location+0x48/0x56

 4328 08:45:24.493841  # [   40.670568]  ? lkdtm_EXEC_STACK+0x26/0x44

 4329 08:45:24.497046  # [   40.674834]  ? direct_entry.cold+0x2c/0x38

 4330 08:45:24.503420  # [   40.679187]  ? full_proxy_write+0x56/0x80

 4331 08:45:24.507301  # [   40.683454]  ? vfs_write+0xea/0x3b0

 4332 08:45:24.510455  # [   40.687199]  ? ksys_write+0x68/0xf0

 4333 08:45:24.513281  # [ <6>[   41.685015] lkdtm: Performing direct entry EXEC_VMALLOC

 4334 08:45:24.519828    40.690945]  ? do_syscall_64+0x33/0x40

 4335 08:45:24.523375  # [   40.694948]  ? entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4336 08:45:24.543575  # [   40.700429] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger gs<6>[   41.690761] lkdtm: attempting ok execution at ffffffff9237c5f0

 4337 08:45:24.572997  mi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common cros_ec_dev snd_soc_acp_da7219mx98357_mach designware_i2s cros_usbpd_notify snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma chromeos_pstore coreboot_table snd_so<6>[   41.719061] lkdtm: attempting bad execution at ffffa2db00775000

 4338 08:45:24.576441  c_core snd_compress snd_pcm_dmaengine regmap_i2c

 4339 08:45:24.579606  # [   40.740352] CR2: ffffa2db01aafe18

 4340 08:45:24.582886  # [   40.743924] ---[ end trace 2f8aaab59271fed4 ]---

 4341 08:45:24.589330  # [   40.748798] RIP: 0010:lkdtm_BUG+0x5/0x10

 4342 08:45:24.602972  # [   40.752976] Code: 89 ff e8 5e d2 79 ff 48 c7 c0 ea ff ff ff<2>[   41.747420] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)

 4343 08:45:24.615836   eb de 48 c7 c0 ea ff ff ff e9 e9 88 a8 00 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 d0 9a 2a 03

 4344 08:45:24.619555  # [   40.771973] RSP: 0018:ffffa2db00c4fe60 EFLAGS: 00010282

 4345 08:45:24.632544  # [   40.777454] RAX: ffffffff9237c220 R<1>[   41.777297] BUG: unable to handle page fault for address: ffffa2db00775000

 4346 08:45:24.635996  BX: 0000000000000001 RCX: 0000000000000000

 4347 08:45:24.642448  # [   40.784838] RDX: 0000000000000000 RSI: ffff947f2ad1bf50 RDI: ffffffff93794030

 4348 08:45:24.649269  # [   40.792222] RBP: ffffffff93c7e9e8 R08: 0000000000000001 R09: 0000000000000001

 4349 08:45:24.659259  # [   40.799604] R10: 00000000ffffe000 R11: <1>[   41.806601] #PF: supervisor instruction fetch in kernel mode

 4350 08:45:24.665459  <1>[   41.834696] #PF: error_code(0x0011) - permissions violation

 4351 08:45:24.668872  3fffffffffffffff R12: 0000000000000004

 4352 08:45:24.675825  # [   40.806989] R13: ffffa2db00c4ff10 R14: ffffa2db00c4ff10 R15: ffff947f03a8f000

 4353 08:45:24.682296  # [   40.814371] FS:  00007efe91bd7580(0000) GS:ffff947f2ad00000(0000) knlGS:0000000000000000

 4354 08:45:24.695705  # [   40.822708] CS:  0010 DS: 0000 E<6>[   41.840519] PGD 100000067 P4D 100000067 PUD 100241067 PMD 1050a8067 PTE 80000001030dc163

 4355 08:45:24.698761  S: 0000 CR0: 0000000080050033

 4356 08:45:24.705578  # [   40.828703] CR2: ffffa2db01aafe18 CR3: 00000001037c6000 CR4: 00000000001506e0

 4357 08:45:24.715375  # [   40.836088] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 4358 08:45:24.722161  # [   40.845205] in_atomic(): 0, irqs<4>[   41.871040] Oops: 0011 [#8] SMP NOPTI

 4359 08:45:24.725518  _disabled(): 1, non_block: 0, pid: 1594, name: cat

 4360 08:45:24.728906  # [   40.853021] INFO: lockdep is turned off.

 4361 08:45:24.731988  # [   40.857197] irq event stamp: 0

 4362 08:45:24.738800  # [   40.860518] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 4363 08:45:24.752255  # [   40.867038] hardirqs last disabled at (0)<4>[   41.897140] CPU: 1 PID: 1668 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 4364 08:45:24.758907  <4>[   41.927313] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 4365 08:45:24.762224  : [<ffffffff918fd6dc>] copy_process+0x65c/0x20e0

 4366 08:45:24.772273  # [   40.875462] softirqs last  enabled at (0): [<ffffffff918fd6dc>] copy_process+0x65c/0x20e0

 4367 08:45:24.775629  # [   40.883887] softirqs last disabled at (0): [<0000000000000000>] 0x0

 4368 08:45:24.786145  # [   40.890406] CPU: 1 PID: 1594 Co<4>[   41.933485] RIP: 0010:0xffffa2db00775000

 4369 08:45:24.789431  mm: cat Tainted: G      D W         5.10.209-cip44 #1

 4370 08:45:24.795952  # [   40.898397] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 4371 08:45:24.799133  # [   40.904567] Call Trace:

 4372 08:45:24.802729  # [   40.907276]  dump_stack+0x77/0x9b

 4373 08:45:24.805800  # [   40.910850]  ___might_sleep.cold+0xa6/0xb6

 4374 08:45:24.815641  # [   40.915<4>[   41.959847] Code: Unable to access opcode bytes at RIP 0xffffa2db00774fd6.

 4375 08:45:24.816084  203]  exit_signals+0x1c/0x300

 4376 08:45:24.819252  # [   40.919034]  do_exit+0xc2/0xab0

 4377 08:45:24.822064  # [   40.922433]  ? ksys_write+0x68/0xf0

 4378 08:45:24.828682  # [   40.926178]  make_task_dead+0x2f/0x30

 4379 08:45:24.831674  # [   40.930099]  rewind_stack_and_make_dead+0x17/0x20

 4380 08:45:24.835498  # [   40.935057] RIP: 0033:0x7efe91ab3473

 4381 08:45:24.841980  # <4>[   41.989151] RSP: 0018:ffffa2db01be7e38 EFLAGS: 00010246

 4382 08:45:24.860968  [   40.938889] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 4383 08:45:24.871014  # [   40.957889] RSP: 002b:00007fffabf74<4>[   42.016813] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000

 4384 08:45:24.877521  <4>[   42.046382] RDX: 0000000000000000 RSI: ffff947f2ad1bf50 RDI: ffff947f2ad1bf50

 4385 08:45:24.880870  3b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4386 08:45:24.891444  # [   40.965709] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007efe91ab3473

 4387 08:45:24.897744  # [   40.973096] RDX: 000000000000000b RSI: 00007efe919a7000 RDI: 0000000000000001

 4388 08:45:24.907443  # [   40.980480] RBP: 00007efe919a7000 <4>[   42.053765] RBP: ffffa2db00775000 R08: 0000000000000000 R09: 0000000000000000

 4389 08:45:24.910740  R08: 00007efe919a6010 R09: 0000000000000000

 4390 08:45:24.917564  # [   40.987864] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4391 08:45:24.927143  # [   40.995246] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4392 08:45:24.930526  # EXEC_STACK: saw 'call trace:': ok

 4393 08:45:24.937058  ok 31 <4>[   42.083333] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d

 4394 08:45:24.943801  <4>[   42.112900] R13: ffffa2db01be7f10 R14: ffffa2db01be7f10 R15: ffff947f030dc000

 4395 08:45:24.947228  selftests: lkdtm: EXEC_STACK.sh

 4396 08:45:24.950155  # selftests: lkdtm: EXEC_KMALLOC.sh

 4397 08:45:24.950228  # Killed

 4398 08:45:24.957034  # [   41.138310] lkdtm: Performing direct entry EXEC_KMALLOC

 4399 08:45:24.963482  # [   41.143873] lkdtm: attempting ok execution at ffffffff9237c5f0

 4400 08:45:24.976872  # [   41.172180] lkdtm: attempting bad execut<4>[   42.120284] FS:  00007f9682f23580(0000) GS:ffff947f2ad00000(0000) knlGS:0000000000000000

 4401 08:45:24.976950  io<n at ffff947f03492980

 4402 08:45:24.986852  # [   41.200543] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)

 4403 08:45:24.993375  # [   41.230390] BUG: unable to handle page fault for address: ffff947f03492980

 4404 08:45:25.003669  # [   41.237515] #PF: supervisor instruction fetch in kernel m4>[   42.150803] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4405 08:45:25.009841  <4>[   42.178987] CR2: ffffa2db00774fd6 CR3: 0000000105262000 CR4: 00000000001506e0

 4406 08:45:25.009947  ode

 4407 08:45:25.016468  # [   41.243424] #PF: error_code(0x0011) - permissions violation

 4408 08:45:25.026528  # [   41.249248] PGD 49a01067 P4D 49a01067 PUD 49a05067 PMD 1056fa063 PTE 8000000103492163

 4409 08:45:25.029787  # [   41.257333] Oops: 0011 [#7] SMP NOPTI

 4410 08:45:25.036540  # [   41.261269] CPU: 0 PID: 1631 Comm: cat Taint<4>[   42.186370] Call Trace:

 4411 08:45:25.039849  ed: G      D W         5.10.209-cip44 #1

 4412 08:45:25.046423  # [   41.269257] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 4413 08:45:25.049381  # [   41.275432] RIP: 0010:0xffff947f03492980

 4414 08:45:25.062754  # [   41.279609] Code: 00 00 02 01 00 00 00 00 00 00 50 de 5c 05 7f 94 ff ff 01 00 00 00 00 00 00<4>[   42.211267]  ? __die_body.cold+0x1a/0x1f

 4415 08:45:25.072316   00 00 00 00 00 00 00 00 00 bb a8 a5 91 ff ff ff ff <0f> 1f 44 00 00 e9 06 85 a8 00 66 0f 1f 44 00 00 0f 1f 44 00 00 55

 4416 08:45:25.079109  # [   41.298605] RSP: 0018:ffffa2db01b4fe38 EFLAGS: 00010246

 4417 08:45:25.089208  # [   41.304084] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000<4>[   42.237626]  ? no_context+0x177/0x380

 4418 08:45:25.089319  000000000

 4419 08:45:25.095389  # [   41.311466] RDX: 0000000000000000 RSI: ffff947f2ac1bf50 RDI: ffff947f2ac1bf50

 4420 08:45:25.102462  # [   41.318849] RBP: ffff947f03492980 R08: 0000000000000000 R09: 0000000000000000

 4421 08:45:25.115661  # [   41.326232] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000000<4>[   42.263732]  ? exc_page_fault+0xd7/0x170

 4422 08:45:25.115763  0000d

 4423 08:45:25.122205  # [   41.333616] R13: ffffa2db01b4ff10 R14: ffffa2db01b4ff10 R15: ffff947f030dc000

 4424 08:45:25.131916  # [   41.340999] FS:  00007f8a5a6ab580(0000) GS:ffff947f2ac00000(0000) knlGS:0000000000000000

 4425 08:45:25.135508  # [   41.349335] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4426 08:45:25.141722  # <4>[   42.290091]  ? asm_exc_page_fault+0x1e/0x30

 4427 08:45:25.148497  [   41.355331] CR2: ffff947f03492980 CR3: 0000000103396000 CR4: 00000000001506f0

 4428 08:45:25.151470  # [   41.362714] Call Trace:

 4429 08:45:25.154870  # [   41.365425]  ? __die_body.cold+0x1a/0x1f

 4430 08:45:25.158453  # [   41.369607]  ? no_context+0x177/0x380

 4431 08:45:25.161669  # [   41.373530]  ? exc_page_fault+0xd7/0x170

 4432 08:45:25.168558  # [   <4>[   42.316720]  ? execute_location+0x48/0x56

 4433 08:45:25.171470  41.377710]  ? asm_exc_page_fault+0x1e/0x30

 4434 08:45:25.174551  # [   41.382154]  ? execute_location+0x48/0x56

 4435 08:45:25.181307  # [   41.386420]  ? lkdtm_EXEC_KMALLOC+0x2c/0x40

 4436 08:45:25.184706  # [   41.390858]  ? direct_entry.cold+0x2c/0x38

 4437 08:45:25.188180  # [   41.395211]  ? full_proxy_write+0x56/0x80

 4438 08:45:25.194543  # [   41.399477] <4>[   42.343165]  ? lkdtm_EXEC_VMALLOC+0x20/0x30

 4439 08:45:25.194616   ? vfs_write+0xea/0x3b0

 4440 08:45:25.201255  # [   41.403222]  ? ksys_write+0x68/0xf0

 4441 08:45:25.204644  # [   41.406966]  ? do_syscall_64+0x33/0x40

 4442 08:45:25.207946  # [   41.410970]  ? entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4443 08:45:25.221225  # [   41.416451] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_charde<4>[   42.369787]  ? direct_entry.cold+0x2c/0x38

 4444 08:45:25.247331  v cros_ec_sysfs cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common cros_ec_dev snd_soc_acp_da7219mx98357_mach designware_i2s cros_usbpd_notify snd_soc_max98357a snd_soc_adau<4>[   42.396325]  ? full_proxy_write+0x56/0x80

 4445 08:45:25.257337  7002 snd_soc_da7219 acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 4446 08:45:25.260726  # [   41.456375] CR2: ffff947f03492980

 4447 08:45:25.267099  # [   41.459947] ---[ end trace 2f8aaab59271fed5 ]---

 4448 08:45:25.274133  # [   41.464818] RIP: 0010:lkdtm_BUG+0x5<4>[   42.422773]  ? vfs_write+0xea/0x3b0

 4449 08:45:25.274205  /0x10

 4450 08:45:25.293633  # [   41.468996] Code: 89 ff e8 5e d2 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 e9 88 a8 00 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 d0 9a 2a 03

 4451 08:45:25.300114  # [   41.487993] RSP: 0018:ffff<4>[   42.448703]  ? ksys_write+0x68/0xf0

 4452 08:45:25.300189  a2db00c4fe60 EFLAGS: 00010282

 4453 08:45:25.311007  # [   41.493470] RAX: ffffffff9237c220 RBX: 0000000000000001 RCX: 0000000000000000

 4454 08:45:25.316508  # [   41.500853] RDX: 0000000000000000 RSI: ffff947f2ad1bf50 RDI: ffffffff93794030

 4455 08:45:25.326706  # [   41.508235] RBP: ffffffff93c7e9e8 R08: 0000000000000<4>[   42.474633]  ? do_syscall_64+0x33/0x40

 4456 08:45:25.326781  001 R09: 0000000000000001

 4457 08:45:25.333182  # [   41.515626] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4458 08:45:25.342904  # [   41.523014] R13: ffffa2db00c4ff10 R14: ffffa2db00c4ff10 R15: ffff947f03a8f000

 4459 08:45:25.353072  # [   41.530400] FS:  00007f8a5a6ab580(0000) GS:ffff947f2ac00<4>[   42.500822]  ? entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4460 08:45:25.356092  000(0000) knlGS:0000000000000000

 4461 08:45:25.362874  # [   41.538739] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4462 08:45:25.369824  # [   41.544737] CR2: ffff947f03492980 CR3: 0000000103396000 CR4: 00000000001506f0

 4463 08:45:25.372777  # EXEC_KMALLOC: saw 'call trace:': ok

 4464 08:45:25.415889  ok 32 selftests: lkdtm: EXEC_KM<4>[   42.528489] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common cros_ec_dev snd_soc_acp_da7219mx98357_mach designware_i2s cros_usbpd_notify snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 4465 08:45:25.415979  ALLOC.sh

 4466 08:45:25.418975  # selftests: lkdtm: EXEC_VMALLOC.sh

 4467 08:45:25.422303  <4>[   42.590557] CR2: ffffa2db00775000

 4468 08:45:25.428881  <4>[   42.598200] ---[ end trace 2f8aaab59271fed6 ]---

 4469 08:45:25.432087  <4>[   42.603073] RIP: 0010:lkdtm_BUG+0x5/0x10

 4470 08:45:25.452118  <4>[   42.607250] Code: 89 ff e8 5e d2 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 e9 88 a8 00 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 d0 9a 2a 03

 4471 08:45:25.455428  <4>[   42.626245] RSP: 0018:ffffa2db00c4fe60 EFLAGS: 00010282

 4472 08:45:25.462559  <4>[   42.631731] RAX: ffffffff9237c220 RBX: 0000000000000001 RCX: 0000000000000000

 4473 08:45:25.472022  <4>[   42.639114] RDX: 0000000000000000 RSI: ffff947f2ad1bf50 RDI: ffffffff93794030

 4474 08:45:25.478282  <4>[   42.646499] RBP: ffffffff93c7e9e8 R08: 0000000000000001 R09: 0000000000000001

 4475 08:45:25.484851  <4>[   42.653890] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4476 08:45:25.491681  <4>[   42.661275] R13: ffffa2db00c4ff10 R14: ffffa2db00c4ff10 R15: ffff947f03a8f000

 4477 08:45:25.501745  <4>[   42.668659] FS:  00007f9682f23580(0000) GS:ffff947f2ad00000(0000) knlGS:0000000000000000

 4478 08:45:25.508384  <4>[   42.676998] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4479 08:45:25.515034  <4>[   42.682995] CR2: ffffa2db00774fd6 CR3: 0000000105262000 CR4: 00000000001506e0

 4480 08:45:25.524922  <3>[   42.690379] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 4481 08:45:25.531493  <3>[   42.699497] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1668, name: cat

 4482 08:45:25.534638  <4>[   42.707313] INFO: lockdep is turned off.

 4483 08:45:25.537936  <4>[   42.711490] irq event stamp: 0

 4484 08:45:25.544661  <4>[   42.714802] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 4485 08:45:25.554212  <4>[   42.721321] hardirqs last disabled at (0): [<ffffffff918fd6dc>] copy_process+0x65c/0x20e0

 4486 08:45:25.561272  <4>[   42.729744] softirqs last  enabled at (0): [<ffffffff918fd6dc>] copy_process+0x65c/0x20e0

 4487 08:45:25.568095  <4>[   42.738168] softirqs last disabled at (0): [<0000000000000000>] 0x0

 4488 08:45:25.577449  <4>[   42.744690] CPU: 1 PID: 1668 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 4489 08:45:25.584432  <4>[   42.752680] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 4490 08:45:25.587415  <4>[   42.758850] Call Trace:

 4491 08:45:25.590755  <4>[   42.761559]  dump_stack+0x77/0x9b

 4492 08:45:25.594139  <4>[   42.765137]  ___might_sleep.cold+0xa6/0xb6

 4493 08:45:25.597484  <4>[   42.769491]  exit_signals+0x1c/0x300

 4494 08:45:25.601007  <4>[   42.773322]  do_exit+0xc2/0xab0

 4495 08:45:25.604138  <4>[   42.776720]  ? ksys_write+0x68/0xf0

 4496 08:45:25.607126  <4>[   42.780466]  make_task_dead+0x2f/0x30

 4497 08:45:25.613831  <4>[   42.784386]  rewind_stack_and_make_dead+0x17/0x20

 4498 08:45:25.617043  <4>[   42.789345] RIP: 0033:0x7f9682dfb473

 4499 08:45:25.636908  <4>[   42.793176] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 4500 08:45:25.643580  <4>[   42.812176] RSP: 002b:00007fff4c0f2d98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4501 08:45:25.650580  <4>[   42.819995] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f9682dfb473

 4502 08:45:25.659985  <4>[   42.827379] RDX: 000000000000000d RSI: 00007f9682cef000 RDI: 0000000000000001

 4503 08:45:25.666760  <4>[   42.834761] RBP: 00007f9682cef000 R08: 00007f9682cee010 R09: 0000000000000000

 4504 08:45:25.673883  <4>[   42.842159] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4505 08:45:25.680330  <4>[   42.849541] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4506 08:45:25.855455  <6>[   43.025779] lkdtm: Performing direct entry EXEC_RODATA

 4507 08:45:25.855591  # Killed

 4508 08:45:25.861725  # [   41.685015] lkdtm: Performing direct entry EXEC_VMALLOC

 4509 08:45:25.868631  # [   41.690761] lkdtm: attempting ok execution at ffffffff9237c5f0

 4510 08:45:25.875068  # [   41.719061] lkdtm: attempting bad execution at ffffa2db00775000

 4511 08:45:25.884980  # [   41.747420] kernel tried to execute NX-p<6>[   43.031188] lkdtm: attempting ok execution at ffffffff9237c5f0

 4512 08:45:25.888352  rotected page - exploit attempt? (uid: 0)

 4513 08:45:25.894803  # [   41.777297] BUG: unable to handle page fault for address: ffffa2db00775000

 4514 08:45:25.901415  # [   41.806601] #PF: supervisor instruction fetch in kernel mode

 4515 08:45:25.904466  # [   41.834696] #PF: error_code(0x0011) - permissions violation

 4516 08:45:25.911295  <6>[   43.059467] lkdtm: attempting bad execution at ffffffff937944c0

 4517 08:45:25.911379  

 4518 08:45:25.921206  # [   41.840519] PGD 100000067 P4D 100000067 PUD 100241067 PMD 1050a8067 PTE 80000001030dc163

 4519 08:45:25.924551  # [   41.871040] Oops: 0011 [#8] SMP NOPTI

 4520 08:45:25.931144  # [   41.897140] CPU: 1 PID: 1668 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 4521 08:45:25.940923  # [   41.927313] Hardware<2>[   43.087854] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)

 4522 08:45:25.947822   name: Google Grunt/Grunt, BIOS  09/05/2019

 4523 08:45:25.950746  # [   41.933485] RIP: 0010:0xffffa2db00775000

 4524 08:45:25.957457  # [   41.959847] Code: Unable to access opcode bytes at RIP 0xffffa2db00774fd6.

 4525 08:45:25.960801  # [   41.989151] RSP: 0018:ffffa2db01be7e38 EFLAGS: 00010246

 4526 08:45:25.971102  # [   42.016813] RAX:<1>[   43.117725] BUG: unable to handle page fault for address: ffffffff937944c0

 4527 08:45:25.977414   0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000

 4528 08:45:25.983898  # [   42.046382] RDX: 0000000000000000 RSI: ffff947f2ad1bf50 RDI: ffff947f2ad1bf50

 4529 08:45:25.990569  # [   42.053765] RBP: ffffa2db00775000 R08: 0000000000000000 R09: 0000000000000000

 4530 08:45:26.000281  # [   42.083333] R10: 000<1>[   43.147030] #PF: supervisor instruction fetch in kernel mode

 4531 08:45:26.003472  <1>[   43.175126] #PF: error_code(0x0011) - permissions violation

 4532 08:45:26.010339  00000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d

 4533 08:45:26.017006  # [   42.112900] R13: ffffa2db01be7f10 R14: ffffa2db01be7f10 R15: ffff947f030dc000

 4534 08:45:26.027230  # [   42.120284] FS:  00007f9682f23580(0000) GS:ffff947f2ad00000(0000) knlGS:0000000000000000

 4535 08:45:26.033450  # [   42.150803] C<6>[   43.180951] PGD 48029067 P4D 48029067 PUD 4802a063 PMD 80000000478001e1 

 4536 08:45:26.040203  S:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4537 08:45:26.047090  # [   42.178987] CR2: ffffa2db00774fd6 CR3: 0000000105262000 CR4: 00000000001506e0

 4538 08:45:26.049893  # [   42.186370] Call Trace:

 4539 08:45:26.053594  # [   42.211267]  ? __die_body.cold+0x1a/0x1f

 4540 08:45:26.056739  # [   42.237626]  ? no_context+0x177/0x380

 4541 08:45:26.059862  #<4>[   43.210084] Oops: 0011 [#9] SMP NOPTI

 4542 08:45:26.063290   [   42.263732]  ? exc_page_fault+0xd7/0x170

 4543 08:45:26.069983  # [   42.290091]  ? asm_exc_page_fault+0x1e/0x30

 4544 08:45:26.073085  # [   42.316720]  ? execute_location+0x48/0x56

 4545 08:45:26.076247  # [   42.343165]  ? lkdtm_EXEC_VMALLOC+0x20/0x30

 4546 08:45:26.082791  # [   42.369787]  ? direct_entry.cold+0x2c/0x38

 4547 08:45:26.090017  # [   42.3963<4>[   43.236188] CPU: 1 PID: 1705 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 4548 08:45:26.096166  <4>[   43.266362] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 4549 08:45:26.099448  25]  ? full_proxy_write+0x56/0x80

 4550 08:45:26.103756  # [   42.422773]  ? vfs_write+0xea/0x3b0

 4551 08:45:26.106527  # [   42.448703]  ? ksys_write+0x68/0xf0

 4552 08:45:26.109788  # [   42.474633]  ? do_syscall_64+0x33/0x40

 4553 08:45:26.116058  # [   42.500822]  ? entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4554 08:45:26.126166  # [   42.528489] Modules linke<4>[   43.272538] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10

 4555 08:45:26.165988  d in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common cros_ec_dev snd_soc_acp_da7219mx98357_mach designware_<4>[   43.300105] Code: ff ff 7b 4c a4 92 ff ff ff ff 2a a5 c1 93 ff ff ff ff c1 33 a4 92 ff ff ff ff 55 aa 55 aa 00 00 00 00 00 00 00 00 00 00 00 00 <e9> 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 54 68 69 73 20 69

 4556 08:45:26.178950  i2s cros_usbpd_notify snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 4557 08:45:26.185583  # [   42.590557] CR2: ffffa2db00775000

 4558 08:45:26.192049  # [   42.598200] ---[ end trace 2f8aaab5927<4>[   43.341287] RSP: 0018:ffffa2db01c6fe48 EFLAGS: 00010246

 4559 08:45:26.202056  <4>[   43.368949] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000

 4560 08:45:26.202140  1fed6 ]---

 4561 08:45:26.205453  # [   42.603073] RIP: 0010:lkdtm_BUG+0x5/0x10

 4562 08:45:26.228753  # [   42.607250] Code: 89 ff e8 5e d2 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 e9 88 a8 00 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 0<4>[   43.376332] RDX: 0000000000000000 RSI: ffff947f2ad1bf50 RDI: ffff947f2ad1bf50

 4563 08:45:26.232135  0 83 05 d0 9a 2a 03

 4564 08:45:26.238707  # [   42.626245] RSP: 0018:ffffa2db00c4fe60 EFLAGS: 00010282

 4565 08:45:26.245208  # [   42.631731] RAX: ffffffff9237c220 RBX: 0000000000000001 RCX: 0000000000000000

 4566 08:45:26.251808  # [   42.639114] RDX: 0000000000000000 RSI: ffff947f2ad1bf50 RDI: ffffffff93794030

 4567 08:45:26.258140  # [  <4>[   43.405898] RBP: ffffffff937944c0 R08: 0000000000000000 R09: 0000000000000000

 4568 08:45:26.268317  <4>[   43.435466] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c

 4569 08:45:26.275019   42.646499] RBP: ffffffff93c7e9e8 R08: 0000000000000001 R09: 0000000000000001

 4570 08:45:26.281649  # [   42.653890] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4571 08:45:26.288010  # [   42.661275] R13: ffffa2db00c4ff10 R14: ffffa2db00c4ff10 R15: ffff947f03a8f000

 4572 08:45:26.298392  # [   42.<4>[   43.442849] R13: ffffa2db01c6ff10 R14: ffffa2db01c6ff10 R15: ffff947f030d9000

 4573 08:45:26.304598  668659] FS:  00007f9682f23580(0000) GS:ffff947f2ad00000(0000) knlGS:0000000000000000

 4574 08:45:26.311512  # [   42.676998] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4575 08:45:26.318066  # [   42.682995] CR2: ffffa2db00774fd6 CR3: 0000000105262000 CR4: 00000000001506e0

 4576 08:45:26.328099  # [   42.690379] B<4>[   43.472415] FS:  00007fd1dd167580(0000) GS:ffff947f2ad00000(0000) knlGS:0000000000000000

 4577 08:45:26.334507  UG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 4578 08:45:26.341348  # [   42.699497] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1668, name: cat

 4579 08:45:26.347508  # [   42.707313] INFO: lockdep is turned off.

 4580 08:45:26.353903  # [   42.711490] irq event stamp: <4>[   43.502940] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4581 08:45:26.353994  0

 4582 08:45:26.354061  <

 4583 08:45:26.360711  # [   42.714802] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 4584 08:45:26.370748  # [   42.721321] hardirqs last disabled at (0): [<ffffffff918fd6dc>] copy_process+0x65c/0x20e0

 4585 08:45:26.383784  # [   42.729744] softirqs last  enabled at (0): [<ffffffff918fd6dc>] copy_process+04>[   43.531122] CR2: ffffffff937944c0 CR3: 0000000102976000 CR4: 00000000001506e0

 4586 08:45:26.387748  <4>[   43.560694] Call Trace:

 4587 08:45:26.387832  x65c/0x20e0

 4588 08:45:26.393863  # [   42.738168] softirqs last disabled at (0): [<0000000000000000>] 0x0

 4589 08:45:26.404063  # [   42.744690] CPU: 1 PID: 1668 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 4590 08:45:26.410567  # [   42.752680] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 4591 08:45:26.413864  # [   42<4>[   43.563406]  ? __die_body.cold+0x1a/0x1f

 4592 08:45:26.417612  .758850] Call Trace:

 4593 08:45:26.420347  # [   42.761559]  dump_stack+0x77/0x9b

 4594 08:45:26.423866  # [   42.765137]  ___might_sleep.cold+0xa6/0xb6

 4595 08:45:26.427391  # [   42.769491]  exit_signals+0x1c/0x300

 4596 08:45:26.430723  # [   42.773322]  do_exit+0xc2/0xab0

 4597 08:45:26.433550  # [   42.776720]  ? ksys_write+0x68/0xf0

 4598 08:45:26.440556  # [   42.780466]  make<4>[   43.589760]  ? no_context+0x177/0x380

 4599 08:45:26.443975  _task_dead+0x2f/0x30

 4600 08:45:26.446843  # [   42.784386]  rewind_stack_and_make_dead+0x17/0x20

 4601 08:45:26.450169  # [   42.789345] RIP: 0033:0x7f9682dfb473

 4602 08:45:26.466792  # [   42.793176] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 0<4>[   43.615864]  ? exc_page_fault+0xd7/0x170

 4603 08:45:26.473435  0 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 4604 08:45:26.480168  # [   42.812176] RSP: 002b:00007fff4c0f2d98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4605 08:45:26.489801  # [   42.819995] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f9682dfb473

 4606 08:45:26.493262  <4>[   43.642224]  ? asm_exc_page_fault+0x1e/0x30

 4607 08:45:26.499930  # [   42.827379] RDX: 000000000000000d RSI: 00007f9682cef000 RDI: 0000000000000001

 4608 08:45:26.506541  # [   42.834761] RBP: 00007f9682cef000 R08: 00007f9682cee010 R09: 0000000000000000

 4609 08:45:26.516466  # [   42.842159] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4610 08:45:26.519809  # [ <4>[   43.668851]  ? execute_location+0x48/0x56

 4611 08:45:26.526323    42.849541] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4612 08:45:26.529881  # EXEC_VMALLOC: saw 'call trace:': ok

 4613 08:45:26.533191  ok 33 selftests: lkdtm: EXEC_VMALLOC.sh

 4614 08:45:26.536100  # selftests: lkdtm: EXEC_RODATA.sh

 4615 08:45:26.539734  <4>[   43.695297]  ? direct_entry.cold+0x2c/0x38

 4616 08:45:26.546478  <4>[   43.716626]  ? full_proxy_write+0x56/0x80

 4617 08:45:26.549396  <4>[   43.720892]  ? vfs_write+0xea/0x3b0

 4618 08:45:26.552802  <4>[   43.724636]  ? ksys_write+0x68/0xf0

 4619 08:45:26.556321  <4>[   43.728380]  ? do_syscall_64+0x33/0x40

 4620 08:45:26.562470  <4>[   43.732384]  ? entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4621 08:45:26.602745  <4>[   43.737865] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common cros_ec_dev snd_soc_acp_da7219mx98357_mach designware_i2s cros_usbpd_notify snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 4622 08:45:26.605675  <4>[   43.777789] CR2: ffffffff937944c0

 4623 08:45:26.612061  <4>[   43.781363] ---[ end trace 2f8aaab59271fed7 ]---

 4624 08:45:26.616238  <4>[   43.786236] RIP: 0010:lkdtm_BUG+0x5/0x10

 4625 08:45:26.635959  <4>[   43.790413] Code: 89 ff e8 5e d2 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 e9 88 a8 00 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 d0 9a 2a 03

 4626 08:45:26.638929  <4>[   43.809410] RSP: 0018:ffffa2db00c4fe60 EFLAGS: 00010282

 4627 08:45:26.645019  <4>[   43.814889] RAX: ffffffff9237c220 RBX: 0000000000000001 RCX: 0000000000000000

 4628 08:45:26.655102  <4>[   43.822273] RDX: 0000000000000000 RSI: ffff947f2ad1bf50 RDI: ffffffff93794030

 4629 08:45:26.662078  <4>[   43.829656] RBP: ffffffff93c7e9e8 R08: 0000000000000001 R09: 0000000000000001

 4630 08:45:26.668428  <4>[   43.837043] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4631 08:45:26.674997  <4>[   43.844426] R13: ffffa2db00c4ff10 R14: ffffa2db00c4ff10 R15: ffff947f03a8f000

 4632 08:45:26.685212  <4>[   43.851809] FS:  00007fd1dd167580(0000) GS:ffff947f2ad00000(0000) knlGS:0000000000000000

 4633 08:45:26.691868  <4>[   43.860148] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4634 08:45:26.698177  <4>[   43.866145] CR2: ffffffff937944c0 CR3: 0000000102976000 CR4: 00000000001506e0

 4635 08:45:26.708570  <3>[   43.873533] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 4636 08:45:26.715327  <3>[   43.882651] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1705, name: cat

 4637 08:45:26.718593  <4>[   43.890469] INFO: lockdep is turned off.

 4638 08:45:26.721449  <4>[   43.894645] irq event stamp: 0

 4639 08:45:26.728286  <4>[   43.897960] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 4640 08:45:26.738317  <4>[   43.904479] hardirqs last disabled at (0): [<ffffffff918fd6dc>] copy_process+0x65c/0x20e0

 4641 08:45:26.744675  <4>[   43.912905] softirqs last  enabled at (0): [<ffffffff918fd6dc>] copy_process+0x65c/0x20e0

 4642 08:45:26.751269  <4>[   43.921331] softirqs last disabled at (0): [<0000000000000000>] 0x0

 4643 08:45:26.761425  <4>[   43.927851] CPU: 1 PID: 1705 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 4644 08:45:26.767955  <4>[   43.935840] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 4645 08:45:26.768040  <4>[   43.942009] Call Trace:

 4646 08:45:26.771112  <4>[   43.944718]  dump_stack+0x77/0x9b

 4647 08:45:26.777755  <4>[   43.948292]  ___might_sleep.cold+0xa6/0xb6

 4648 08:45:26.781552  <4>[   43.952645]  exit_signals+0x1c/0x300

 4649 08:45:26.784367  <4>[   43.956478]  do_exit+0xc2/0xab0

 4650 08:45:26.787907  <4>[   43.959878]  ? ksys_write+0x68/0xf0

 4651 08:45:26.791070  <4>[   43.963622]  make_task_dead+0x2f/0x30

 4652 08:45:26.798237  <4>[   43.967540]  rewind_stack_and_make_dead+0x17/0x20

 4653 08:45:26.801124  <4>[   43.972496] RIP: 0033:0x7fd1dd073473

 4654 08:45:26.820958  <4>[   43.976329] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 4655 08:45:26.827994  <4>[   43.995327] RSP: 002b:00007ffcfcc60928 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4656 08:45:26.834329  <4>[   44.003145] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fd1dd073473

 4657 08:45:26.840802  <4>[   44.010529] RDX: 000000000000000c RSI: 00007fd1dcf67000 RDI: 0000000000000001

 4658 08:45:26.850675  <4>[   44.017914] RBP: 00007fd1dcf67000 R08: 00007fd1dcf66010 R09: 0000000000000000

 4659 08:45:26.857392  <4>[   44.025296] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4660 08:45:26.863630  <4>[   44.032681] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4661 08:45:27.062376  <6>[   44.233244] lkdtm: Performing direct entry EXEC_USERSPACE

 4662 08:45:27.062514  # Killed

 4663 08:45:27.069114  # [   43.025779] lkdtm: Performing direct entry EXEC_RODATA

 4664 08:45:27.075668  # [   43.031188] lkdtm: attempting ok execution at ffffffff9237c5f0

 4665 08:45:27.082200  # [   43.059467] lkdtm: attempting bad execution at ffffffff937944c0

 4666 08:45:27.092161  # [   43.087854] kernel tried to execute NX-pr<6>[   44.238979] lkdtm: attempting ok execution at ffffffff9237c5f0

 4667 08:45:27.095696  otected page - exploit attempt? (uid: 0)

 4668 08:45:27.102082  # [   43.117725] BUG: unable to handle page fault for address: ffffffff937944c0

 4669 08:45:27.108843  # [   43.147030] #PF: supervisor instruction fetch in kernel mode

 4670 08:45:27.112166  # [   43.175126] #PF: error_code(0x0011) - permissions violation

 4671 08:45:27.118913  <6>[   44.267290] lkdtm: attempting bad execution at 00007fcf45129000

 4672 08:45:27.125195  # [   43.180951] PGD 48029067 P4D 48029067 PUD 4802a063 PMD 80000000478001e1 

 4673 08:45:27.131942  # [   43.210084] Oops: 0011 [#9] SMP NOPTI

 4674 08:45:27.138413  # [   43.236188] CPU: 1 PID: 1705 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 4675 08:45:27.148314  # [   43.266362] Hardware name: Google Gru<2>[   44.295641] unable to execute userspace code (SMEP?) (uid: 0)

 4676 08:45:27.155308  <1>[   44.323756] BUG: unable to handle page fault for address: 00007fcf45129000

 4677 08:45:27.162064  <1>[   44.330879] #PF: supervisor instruction fetch in kernel mode

 4678 08:45:27.168355  <1>[   44.336788] #PF: error_code(0x0011) - permissions violation

 4679 08:45:27.175544  <6>[   44.342611] PGD 103e9b067 P4D 103e9b067 PUD 103d8d067 PMD 103d8c067 PTE 10b4a9067

 4680 08:45:27.178298  <4>[   44.350346] Oops: 0011 [#10] SMP NOPTI

 4681 08:45:27.187987  <4>[   44.354351] CPU: 0 PID: 1742 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 4682 08:45:27.191366  <4>[   44.362338] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 4683 08:45:27.198286  <4>[   44.368510] RIP: 0010:0x7fcf45129000

 4684 08:45:27.205248  <4>[   44.372339] Code: Unable to access opcode bytes at RIP 0x7fcf45128fd6.

 4685 08:45:27.208027  <4>[   44.379115] RSP: 0018:ffffa2db01cffe50 EFLAGS: 00010246

 4686 08:45:27.215245  <4>[   44.384592] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000

 4687 08:45:27.224597  <4>[   44.391974] RDX: 0000000000000000 RSI: ffff947f2ac1bf50 RDI: ffff947f2ac1bf50

 4688 08:45:27.231331  <4>[   44.399355] RBP: 00007fcf45129000 R08: 0000000000000000 R09: 0000000000000000

 4689 08:45:27.237983  <4>[   44.406737] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f

 4690 08:45:27.244652  <4>[   44.414118] R13: ffffa2db01cfff10 R14: ffffa2db01cfff10 R15: ffff947f033b9000

 4691 08:45:27.254568  <4>[   44.421500] FS:  00007fcf4512b580(0000) GS:ffff947f2ac00000(0000) knlGS:0000000000000000

 4692 08:45:27.261081  <4>[   44.429836] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4693 08:45:27.267787  <4>[   44.435831] CR2: 00007fcf45129000 CR3: 000000010339e000 CR4: 00000000001506f0

 4694 08:45:27.270871  <4>[   44.443212] Call Trace:

 4695 08:45:27.274158  <4>[   44.445921]  ? __die_body.cold+0x1a/0x1f

 4696 08:45:27.277268  <4>[   44.450100]  ? no_context+0x177/0x380

 4697 08:45:27.283911  <4>[   44.454020]  ? exc_page_fault+0x53/0x170

 4698 08:45:27.287604  <4>[   44.458199]  ? asm_exc_page_fault+0x1e/0x30

 4699 08:45:27.290747  <4>[   44.462642]  ? lkdtm_EXEC_USERSPACE.cold+0x69/0xae

 4700 08:45:27.297450  <4>[   44.467687]  ? direct_entry.cold+0x2c/0x38

 4701 08:45:27.300678  <4>[   44.472039]  ? full_proxy_write+0x56/0x80

 4702 08:45:27.304143  <4>[   44.476303]  ? vfs_write+0xea/0x3b0

 4703 08:45:27.307328  <4>[   44.480046]  ? ksys_write+0x68/0xf0

 4704 08:45:27.310711  <4>[   44.483790]  ? do_syscall_64+0x33/0x40

 4705 08:45:27.317179  <4>[   44.487794]  ? entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4706 08:45:27.356866  <4>[   44.493277] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common cros_ec_dev snd_soc_acp_da7219mx98357_mach designware_i2s cros_usbpd_notify snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 4707 08:45:27.360452  <4>[   44.533198] CR2: 00007fcf45129000

 4708 08:45:27.363669  nt/Grunt, BIOS  09/05/2019

 4709 08:45:27.370334  # [   43.272538] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10

 4710 08:45:27.386887  # [   43.300105] Code: ff ff 7b 4c a4 92 ff ff ff ff 2a a5 c1 93 ff ff ff ff c1 33 a4 92 ff ff ff ff 55 aa 55 aa 00 00 00 00 00 00 00 00 00 00 00 00 <e9> 00 00 00 00 0<4>[   44.536850] ---[ end trace 2f8aaab59271fed8 ]---

 4711 08:45:27.393751  0 00 00 00 00 00 00 00 00 00 00 54 68 69 73 20 69

 4712 08:45:27.396866  # [   43.341287] RSP: 0018:ffffa2db01c6fe48 EFLAGS: 00010246

 4713 08:45:27.407023  # [   43.368949] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000

 4714 08:45:27.413122  # [   43.376332] RDX: 0000000000000000 RSI: ffff947f2ad1bf5<4>[   44.563915] RIP: 0010:lkdtm_BUG+0x5/0x10

 4715 08:45:27.416520  0 RDI: ffff947f2ad1bf50

 4716 08:45:27.423078  # [   43.405898] RBP: ffffffff937944c0 R08: 0000000000000000 R09: 0000000000000000

 4717 08:45:27.429581  # [   43.435466] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c

 4718 08:45:27.456240  # [   43.442849] R13: ffffa2db01c6ff10 R14: ffffa2db01c6ff10 R1<4>[   44.590279] Code: 89 ff e8 5e d2 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 e9 88 a8 00 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 d0 9a 2a 03

 4719 08:45:27.456328  5: ffff947f030d9000

 4720 08:45:27.466521  # [   43.472415] FS:  00007fd1dd167580(0000) GS:ffff947f2ad00000(0000) knlGS:0000000000000000

 4721 08:45:27.472723  # [   43.502940] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4722 08:45:27.482885  # [   43.531122] CR2: ffffffff937944c0 CR3: 0000000102976000 CR4: 000000<4>[   44.631474] RSP: 0018:ffffa2db00c4fe60 EFLAGS: 00010282

 4723 08:45:27.485851  00001506e0

 4724 08:45:27.485978  # [   43.560694] Call Trace:

 4725 08:45:27.492336  # [   43.563406]  ? __die_body.cold+0x1a/0x1f

 4726 08:45:27.496030  # [   43.589760]  ? no_context+0x177/0x380

 4727 08:45:27.498909  # [   43.615864]  ? exc_page_fault+0xd7/0x170

 4728 08:45:27.502532  # [   43.642224]  ? asm_exc_page_fault+0x1e/0x30

 4729 08:45:27.512374  # [   43.668851]  ? execut<4>[   44.659154] RAX: ffffffff9237c220 RBX: 0000000000000001 RCX: 0000000000000000

 4730 08:45:27.515550  e_location+0x48/0x56

 4731 08:45:27.519014  # [   43.695297]  ? direct_entry.cold+0x2c/0x38

 4732 08:45:27.522495  # [   43.716626]  ? full_proxy_write+0x56/0x80

 4733 08:45:27.525774  # [   43.720892]  ? vfs_write+0xea/0x3b0

 4734 08:45:27.532223  # [   43.724636]  ? ksys_write+0x68/0xf0

 4735 08:45:27.535574  # [   43.728380]  ? do_syscall_64+0x33/0x40

 4736 08:45:27.541898  # [   43<4>[   44.688730] RDX: 0000000000000000 RSI: ffff947f2ad1bf50 RDI: ffffffff93794030

 4737 08:45:27.548511  .732384]  ? entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4738 08:45:27.571932  # [   43.737865] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops vi<4>[   44.718294] RBP: ffffffff93c7e9e8 R08: 0000000000000001 R09: 0000000000000001

 4739 08:45:27.594778  deobuf2_v4l2 videobuf2_common cros_ec_dev snd_soc_acp_da7219mx98357_mach designware_i2s cros_usbpd_notify snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 4740 08:45:27.601336  <4>[   44.747868] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4741 08:45:27.601442  

 4742 08:45:27.604761  # [   43.777789] CR2: ffffffff937944c0

 4743 08:45:27.611327  # [   43.781363] ---[ end trace 2f8aaab59271fed7 ]---

 4744 08:45:27.614968  # [   43.786236] RIP: 0010:lkdtm_BUG+0x5/0x10

 4745 08:45:27.631257  # [   43.790413] Code: 89 ff e8 5e d2 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 e9 88 a8 00 48 c7 <4>[   44.777445] R13: ffffa2db00c4ff10 R14: ffffa2db00c4ff10 R15: ffff947f03a8f000

 4746 08:45:27.640949  c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 d0 9a 2a 03

 4747 08:45:27.644355  # [   43.809410] RSP: 0018:ffffa2db00c4fe60 EFLAGS: 00010282

 4748 08:45:27.654150  # [   43.814889] RAX: ffffffff9237c220 RBX: 0000000000000001 RCX: 0000000000000000

 4749 08:45:27.660882  # [  <4>[   44.807030] FS:  00007fcf4512b580(0000) GS:ffff947f2ac00000(0000) knlGS:0000000000000000

 4750 08:45:27.667769   43.822273] RDX: 0000000000000000 RSI: ffff947f2ad1bf50 RDI: ffffffff93794030

 4751 08:45:27.678049  # [   43.829656] RBP: ffffffff93c7e9e8 R08: 0000000000000001 R09: 0000000000000001

 4752 08:45:27.684097  # [   43.837043] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4753 08:45:27.690875  # [   43.<4>[   44.837544] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4754 08:45:27.697480  844426] R13: ffffa2db00c4ff10 R14: ffffa2db00c4ff10 R15: ffff947f03a8f000

 4755 08:45:27.703962  # [   43.851809] FS:  00007fd1dd167580(0000) GS:ffff947f2ad00000(0000) knlGS:0000000000000000

 4756 08:45:27.711216  # [   43.860148] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4757 08:45:27.720491  # [   43.866145] C<4>[   44.865773] CR2: 00007fcf45129000 CR3: 000000010339e000 CR4: 00000000001506f0

 4758 08:45:27.724202  R2: ffffffff937944c0 CR3: 0000000102976000 CR4: 00000000001506e0

 4759 08:45:27.733926  # [   43.873533] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 4760 08:45:27.740379  # [   43.882651] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1705, name: cat

 4761 08:45:27.747536  # [   43.890469] INFO: lockdep is turned off.

 4762 08:45:27.750309  # [   43.894645] irq event stamp: 0

 4763 08:45:27.757094  # [   43.897960] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 4764 08:45:27.763740  # [   43.904479] hardirqs last disabled at (0): [<ffffffff918fd6dc>] copy_process+0x65c/0x20e0

 4765 08:45:27.773469  # [   43.912905] softirqs last  enabled at (0): [<ffffffff918fd6dc>] copy_process+0x65c/0x20e0

 4766 08:45:27.780428  # [   43.921331] softirqs last disabled at (0): [<0000000000000000>] 0x0

 4767 08:45:27.786739  # [   43.927851] CPU: 1 PID: 1705 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 4768 08:45:27.793265  # [   43.935840] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 4769 08:45:27.796590  # [   43.942009] Call Trace:

 4770 08:45:27.799943  # [   43.944718]  dump_stack+0x77/0x9b

 4771 08:45:27.803639  # [   43.948292]  ___might_sleep.cold+0xa6/0xb6

 4772 08:45:27.806459  # [   43.952645]  exit_signals+0x1c/0x300

 4773 08:45:27.809958  # [   43.956478]  do_exit+0xc2/0xab0

 4774 08:45:27.813411  # [   43.959878]  ? ksys_write+0x68/0xf0

 4775 08:45:27.816625  # [   43.963622]  make_task_dead+0x2f/0x30

 4776 08:45:27.822848  # [   43.967540]  rewind_stack_and_make_dead+0x17/0x20

 4777 08:45:27.826390  # [   43.972496] RIP: 0033:0x7fd1dd073473

 4778 08:45:27.846118  # [   43.976329] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 4779 08:45:27.852653  # [   43.995327] RSP: 002b:00007ffcfcc60928 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4780 08:45:27.859317  <6>[   45.021073] lkdtm: Performing direct entry EXEC_NULL

 4781 08:45:27.866115  # [   44.003145] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fd1dd073473

 4782 08:45:27.872819  # [   44.010529] RDX: 000000000000000c RSI: 00007fd1dcf67000 RDI: 0000000000000001

 4783 08:45:27.879592  # [   44.017914] RBP: 00007fd1dcf67000 R08: 00007fd1dcf66010 R09: 0000000000000000

 4784 08:45:27.885893  # [ <6>[   45.033659] lkdtm: attempting ok execution at ffffffff9237c5f0

 4785 08:45:27.892354    44.025296] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4786 08:45:27.899128  # [   44.032681] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4787 08:45:27.902455  # EXEC_RODATA: saw 'call trace:': ok

 4788 08:45:27.905781  ok 34 selftests: lkdtm: EXEC_RODATA.sh

 4789 08:45:27.915759  # selftests: l<6>[   45.061963] lkdtm: attempting bad execution at 0000000000000000

 4790 08:45:27.915843  kdtm: EXEC_USERSPACE.sh

 4791 08:45:27.919232  # Killed

 4792 08:45:27.922094  # [   44.233244] lkdtm: Performing direct entry EXEC_USERSPACE

 4793 08:45:27.928776  # [   44.238979] lkdtm: attempting ok execution at ffffffff9237c5f0

 4794 08:45:27.935636  # [   44.267290] lkdtm: attempting bad execution at 00007fcf45129000

 4795 08:45:27.945621  # [   44.295641] u<1>[   45.090336] BUG: kernel NULL pointer dereference, address: 0000000000000000

 4796 08:45:27.948806  <1>[   45.119661] #PF: supervisor instruction fetch in kernel mode

 4797 08:45:27.955572  <1>[   45.125570] #PF: error_code(0x0010) - not-present page

 4798 08:45:27.958889  <6>[   45.130960] PGD 0 P4D 0 

 4799 08:45:27.961867  <4>[   45.133754] Oops: 0010 [#11] SMP NOPTI

 4800 08:45:27.968902  <4>[   45.137760] CPU: 0 PID: 1779 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 4801 08:45:27.975422  <4>[   45.145748] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 4802 08:45:27.978619  <4>[   45.151920] RIP: 0010:0x0

 4803 08:45:27.985060  <4>[   45.154797] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6.

 4804 08:45:27.991986  <4>[   45.161919] RSP: 0018:ffffa2db01d77e48 EFLAGS: 00010246

 4805 08:45:27.998258  <4>[   45.167394] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000

 4806 08:45:28.004917  <4>[   45.174777] RDX: 0000000000000000 RSI: ffff947f2ac1bf50 RDI: ffff947f2ac1bf50

 4807 08:45:28.014770  <4>[   45.182158] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000

 4808 08:45:28.021810  <4>[   45.189540] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a

 4809 08:45:28.028067  <4>[   45.196922] R13: ffffa2db01d77f10 R14: ffffa2db01d77f10 R15: ffff947f029fc000

 4810 08:45:28.038372  <4>[   45.204304] FS:  00007f39851a2580(0000) GS:ffff947f2ac00000(0000) knlGS:0000000000000000

 4811 08:45:28.041293  <4>[   45.212639] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4812 08:45:28.051420  <4>[   45.218634] CR2: ffffffffffffffd6 CR3: 0000000103a8c000 CR4: 00000000001506f0

 4813 08:45:28.054678  <4>[   45.226015] Call Trace:

 4814 08:45:28.058033  <4>[   45.228745]  ? __die_body.cold+0x1a/0x1f

 4815 08:45:28.061418  <4>[   45.232924]  ? no_context+0x177/0x380

 4816 08:45:28.064450  <4>[   45.236842]  ? exc_page_fault+0x53/0x170

 4817 08:45:28.071279  <4>[   45.241019]  ? asm_exc_page_fault+0x1e/0x30

 4818 08:45:28.074715  <4>[   45.245461]  execute_location+0x48/0x56

 4819 08:45:28.078075  <4>[   45.249552]  direct_entry.cold+0x2c/0x38

 4820 08:45:28.081019  <4>[   45.253731]  full_proxy_write+0x56/0x80

 4821 08:45:28.084358  <4>[   45.257823]  vfs_write+0xea/0x3b0

 4822 08:45:28.087905  <4>[   45.261393]  ksys_write+0x68/0xf0

 4823 08:45:28.094238  <4>[   45.264963]  do_syscall_64+0x33/0x40

 4824 08:45:28.097675  <4>[   45.268792]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4825 08:45:28.100894  <4>[   45.274095] RIP: 0033:0x7f398507b473

 4826 08:45:28.120892  <4>[   45.277926] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 4827 08:45:28.130766  <4>[   45.296920] RSP: 002b:00007ffd3e072fd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4828 08:45:28.137121  <4>[   45.304735] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f398507b473

 4829 08:45:28.144102  <4>[   45.312117] RDX: 000000000000000a RSI: 00007f3984f6f000 RDI: 0000000000000001

 4830 08:45:28.150369  <4>[   45.319499] RBP: 00007f3984f6f000 R08: 00007f3984f6e010 R09: 0000000000000000

 4831 08:45:28.157172  <4>[   45.326879] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4832 08:45:28.166873  <4>[   45.334262] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4833 08:45:28.206726  <4>[   45.341648] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common cros_ec_dev snd_soc_acp_da7219mx98357_mach designware_i2s cros_usbpd_notify snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 4834 08:45:28.210100  <4>[   45.381569] CR2: 0000000000000000

 4835 08:45:28.212920  nable to execute userspace code (SMEP?) (uid: 0)

 4836 08:45:28.219650  # [   44.323756] BUG: unable to handle page fault for address: 00007fcf45129000

 4837 08:45:28.226697  # [   44.330879] #PF: supervisor instruction fetch in kernel mode

 4838 08:45:28.236292  # [   44.336788] #PF: error_code(0x0011) - permissions vio<4>[   45.385217] ---[ end trace 2f8aaab59271fed9 ]---

 4839 08:45:28.236376  lation

 4840 08:45:28.245903  # [   44.342611] PGD 103e9b067 P4D 103e9b067 PUD 103d8d067 PMD 103d8c067 PTE 10b4a9067

 4841 08:45:28.249478  # [   44.350346] Oops: 0011 [#10] SMP NOPTI

 4842 08:45:28.256296  # [   44.354351] CPU: 0 PID: 1742 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 4843 08:45:28.262785  # [   44.362338] Hardwar<4>[   45.412301] RIP: 0010:lkdtm_BUG+0x5/0x10

 4844 08:45:28.265978  e name: Google Grunt/Grunt, BIOS  09/05/2019

 4845 08:45:28.269489  # [   44.368510] RIP: 0010:0x7fcf45129000

 4846 08:45:28.276267  # [   44.372339] Code: Unable to access opcode bytes at RIP 0x7fcf45128fd6.

 4847 08:45:28.282785  # [   44.379115] RSP: 0018:ffffa2db01cffe50 EFLAGS: 00010246

 4848 08:45:28.305449  # [   44.384592] RAX: 000000<4>[   45.438649] Code: 89 ff e8 5e d2 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 e9 88 a8 00 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 d0 9a 2a 03

 4849 08:45:28.309344  0000000033 RBX: 0000000000000024 RCX: 0000000000000000

 4850 08:45:28.315806  # [   44.391974] RDX: 0000000000000000 RSI: ffff947f2ac1bf50 RDI: ffff947f2ac1bf50

 4851 08:45:28.322478  # [   44.399355] RBP: 00007fcf45129000 R08: 0000000000000000 R09: 0000000000000000

 4852 08:45:28.332174  # [   44.406737] R10: 00000000ff<4>[   45.479850] RSP: 0018:ffffa2db00c4fe60 EFLAGS: 00010282

 4853 08:45:28.335916  ffe000 R11: 3fffffffffffffff R12: 000000000000000f

 4854 08:45:28.342431  # [   44.414118] R13: ffffa2db01cfff10 R14: ffffa2db01cfff10 R15: ffff947f033b9000

 4855 08:45:28.351956  # [   44.421500] FS:  00007fcf4512b580(0000) GS:ffff947f2ac00000(0000) knlGS:0000000000000000

 4856 08:45:28.361786  # [   44.429836] CS:  001<4>[   45.507508] RAX: ffffffff9237c220 RBX: 0000000000000001 RCX: 0000000000000000

 4857 08:45:28.365343  0 DS: 0000 ES: 0000 CR0: 0000000080050033

 4858 08:45:28.371837  # [   44.435831] CR2: 00007fcf45129000 CR3: 000000010339e000 CR4: 00000000001506f0

 4859 08:45:28.375243  # [   44.443212] Call Trace:

 4860 08:45:28.378234  # [   44.445921]  ? __die_body.cold+0x1a/0x1f

 4861 08:45:28.381552  # [   44.450100]  ? no_context+0x177/0x380

 4862 08:45:28.391747  # [   44<4>[   45.537079] RDX: 0000000000000000 RSI: ffff947f2ad1bf50 RDI: ffffffff93794030

 4863 08:45:28.394942  .454020]  ? exc_page_fault+0x53/0x170

 4864 08:45:28.398061  # [   44.458199]  ? asm_exc_page_fault+0x1e/0x30

 4865 08:45:28.405065  # [   44.462642]  ? lkdtm_EXEC_USERSPACE.cold+0x69/0xae

 4866 08:45:28.408379  # [   44.467687]  ? direct_entry.cold+0x2c/0x38

 4867 08:45:28.411453  # [   44.472039]  ? full_proxy_write+0x56/0x80

 4868 08:45:28.421314  # [   44.4763<4>[   45.566654] RBP: ffffffff93c7e9e8 R08: 0000000000000001 R09: 0000000000000001

 4869 08:45:28.421388  03]  ? vfs_write+0xea/0x3b0

 4870 08:45:28.428188  # [   44.480046]  ? ksys_write+0x68/0xf0

 4871 08:45:28.431297  # [   44.483790]  ? do_syscall_64+0x33/0x40

 4872 08:45:28.434764  # [   44.487794]  ? entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4873 08:45:28.451320  # [   44.493277] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_ch<4>[   45.596269] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4874 08:45:28.481148  ardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common cros_ec_dev snd_soc_acp_da7219mx98357_mach designware_i2s cros_usbpd_notify snd_soc_max98357a snd_soc_<4>[   45.625841] R13: ffffa2db00c4ff10 R14: ffffa2db00c4ff10 R15: ffff947f03a8f000

 4875 08:45:28.497693  adau7002 snd_soc_da7219 acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c<4>[   45.655387] FS:  00007f39851a2580(0000) GS:ffff947f2ac00000(0000) knlGS:0000000000000000

 4876 08:45:28.497779  

 4877 08:45:28.500759  # [   44.533198] CR2: 00007fcf45129000

 4878 08:45:28.513773  # [   44.536850] ---[ end trace 2f8aaab59271fed8 ]---<4>[   45.674380] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4879 08:45:28.520430  <4>[   45.688590] CR2: ffffffffffffffd6 CR3: 0000000103a8c000 CR4: 00000000001506f0

 4880 08:45:28.520514  

 4881 08:45:28.524159  # [   44.563915] RIP: 0010:lkdtm_BUG+0x5/0x10

 4882 08:45:28.543854  # [   44.590279] Code: 89 ff e8 5e d2 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 e9 88 a8 00 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 d0 9a 2a 03

 4883 08:45:28.550695  # [   44.631474] RSP: 0018:ffffa2db00c4fe60 EFLAGS: 00010282

 4884 08:45:28.557105  # [   44.659154] RAX: ffffffff9237c220 RBX: 0000000000000001 RCX: 0000000000000000

 4885 08:45:28.563644  # [   44.688730] RDX: 0000000000000000 RSI: ffff947f2ad1bf50 RDI: ffffffff93794030

 4886 08:45:28.570149  # [   44.718294] RBP: ffffffff93c7e9e8 R08: 0000000000000001 R09: 0000000000000001

 4887 08:45:28.579797  # [   44.747868] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4888 08:45:28.586438  # [   44.777445] R13: ffffa2db00c4ff10 R14: ffffa2db00c4ff10 R15: ffff947f03a8f000

 4889 08:45:28.593191  # [   44.807030] FS:  00007fcf4512b580(0000) GS:ffff947f2ac00000(0000) knlGS:0000000000000000

 4890 08:45:28.599779  # [   44.837544] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4891 08:45:28.606615  # [   44.865773] CR2: 00007fcf45129000 CR3: 000000010339e000 CR4: 00000000001506f0

 4892 08:45:28.609921  # EXEC_USERSPACE: saw 'call trace:': ok

 4893 08:45:28.616115  ok 35 selftests: lkdtm: EXEC_USERSPACE.sh

 4894 08:45:28.616198  # selftests: lkdtm: EXEC_NULL.sh

 4895 08:45:28.619463  # Killed

 4896 08:45:28.622823  # [   45.021073] lkdtm: Performing direct entry EXEC_NULL

 4897 08:45:28.629637  # [   45.033659] lkdtm: attempting ok execution at ffffffff9237c5f0

 4898 08:45:28.636191  # [   45.061963] lkdtm: attempting bad execution at 0000000000000000

 4899 08:45:28.642822  # [   45.090336] BUG: kernel NULL pointer dereference, address: 0000000000000000

 4900 08:45:28.649349  # [   45.119661] #PF: supervisor instruction fetch in kernel mode

 4901 08:45:28.652556  # [   45.125570] #PF: error_code(0x0010) - not-present page

 4902 08:45:28.655958  # [   45.130960] PGD 0 P4D 0 

 4903 08:45:28.666126  # [   45.133754] Oops:<6>[   45.832367] lkdtm: Performing direct entry ACCESS_USERSPACE

 4904 08:45:28.666209   0010 [#11] SMP NOPTI

 4905 08:45:28.675867  # [   45.137760] CPU: 0 PID: 1779 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 4906 08:45:28.679023  # [   45.145748] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 4907 08:45:28.682226  # [   45.151920] RIP: 0010:0x0

 4908 08:45:28.692492  # [   45.154797] Code: Unable to access <6>[   45.839993] lkdtm: attempting bad read at 00007f7f917a8000

 4909 08:45:28.695866  opcode bytes at RIP 0xffffffffffffffd6.

 4910 08:45:28.702420  # [   45.161919] RSP: 0018:ffffa2db01d77e48 EFLAGS: 00010246

 4911 08:45:28.708537  # [   45.167394] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000

 4912 08:45:28.718925  # [   45.174777] RDX: 0000000000000000 RSI: ffff947f2ac1bf50 RDI: fff<3>[   45.867920] lkdtm: FAIL: survived bad read

 4913 08:45:28.719008  f947f2ac1bf50

 4914 08:45:28.728465  # [   45.182158] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000

 4915 08:45:28.735537  # [   45.189540] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a

 4916 08:45:28.748300  # [   45.196922] R13: ffffa2db01d77f10 R14: ffffa2db01d77f10 R15: ffff947<6>[   45.894468] lkdtm: attempting bad write at 00007f7f917a8000

 4917 08:45:28.748384  f029fc000

 4918 08:45:28.754911  # [   45.204304] FS:  00007f39851a2580(0000) GS:ffff947f2ac00000(0000) knlGS:0000000000000000

 4919 08:45:28.761443  # [   45.212639] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4920 08:45:28.774697  # [   45.218634] CR2: ffffffffffffffd6 CR3: 0000000103a8c000 CR4: 00000000001506f0<3>[   45.922462] lkdtm: FAIL: survived bad write

 4921 08:45:28.774781  

 4922 08:45:28.774845  # [   45.226015] Call Trace:

 4923 08:45:28.781467  # [   45.228745]  ? __die_body.cold+0x1a/0x1f

 4924 08:45:28.784538  # [   45.232924]  ? no_context+0x177/0x380

 4925 08:45:28.787865  # [   45.236842]  ? exc_page_fault+0x53/0x170

 4926 08:45:28.791306  # [   45.241019]  ? asm_exc_page_fault+0x1e/0x30

 4927 08:45:28.797732  # [   45.245461]  execute_location+0x48/0x56

 4928 08:45:28.801664  # [   45.249552]  direct_entry.cold+0x2c/0x38

 4929 08:45:28.804571  # [   45.253731]  full_proxy_write+0x56/0x80

 4930 08:45:28.807841  # [   45.257823]  vfs_write+0xea/0x3b0

 4931 08:45:28.810824  # [   45.261393]  ksys_write+0x68/0xf0

 4932 08:45:28.814563  # [   45.264963]  do_syscall_64+0x33/0x40

 4933 08:45:28.820927  # [   45.268792]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 4934 08:45:28.823891  # [   45.274095] RIP: 0033:0x7f398507b473

 4935 08:45:28.843769  # [   45.277926] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 4936 08:45:28.850731  # [   45.296920] RSP: 002b:00007ffd3e072fd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 4937 08:45:28.857144  # [   45.304735] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f398507b473

 4938 08:45:28.866641  # [   45.312117] RDX: 000000000000000a RSI: 00007f3984f6f000 RDI: 0000000000000001

 4939 08:45:28.873404  # [   45.319499] RBP: 00007f3984f6f000 R08: 00007f3984f6e010 R09: 0000000000000000

 4940 08:45:28.880330  # [   45.326879] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 4941 08:45:28.886615  # [   45.334262] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 4942 08:45:28.912892  # [   45.341648] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2<6>[   46.073156] lkdtm: Performing direct entry ACCESS_NULL

 4943 08:45:28.932831  _common cros_ec_dev snd_soc_acp_da7219mx98357_mach designware_i2s cros_usbpd_notify snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 4944 08:45:28.939440  # [   45.381569] CR2:<6>[   46.087588] lkdtm: attempting bad read at 0000000000000000

 4945 08:45:28.942802   0000000000000000

 4946 08:45:28.946255  # [   45.385217] ---[ end trace 2f8aaab59271fed9 ]---

 4947 08:45:28.949198  # [   45.412301] RIP: 0010:lkdtm_BUG+0x5/0x10

 4948 08:45:28.969205  # [   45.438649] Code: 89 ff e8 5e d2 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 e9 88 a8 00 48 c7 c0 f4 ff ff ff eb c9 <1>[   46.115859] BUG: kernel NULL pointer dereference, address: 0000000000000000

 4949 08:45:28.975611  0f< 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 d0 9a 2a 03

 4950 08:45:28.982447  # [   45.479850] RSP: 0018:ffffa2db00c4fe60 EFLAGS: 00010282

 4951 08:45:28.988894  # [   45.507508] RAX: ffffffff9237c220 RBX: 0000000000000001 RCX: 0000000000000000

 4952 08:45:28.995515  # [   45.537079] RDX: 00001>[   46.144810] #PF: supervisor read access in kernel mode

 4953 08:45:29.002016  <1>[   46.172386] #PF: error_code(0x0000) - not-present page

 4954 08:45:29.005688  000000000000 RSI: ffff947f2ad1bf50 RDI: ffffffff93794030

 4955 08:45:29.015372  # [   45.566654] RBP: ffffffff93c7e9e8 R08: 0000000000000001 R09: 0000000000000001

 4956 08:45:29.021810  # [   45.596269] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 4957 08:45:29.028890  # [   45.625841] R13: ffffa2db<6>[   46.177775] PGD 0 P4D 0 

 4958 08:45:29.031704  00c4ff10 R14: ffffa2db00c4ff10 R15: ffff947f03a8f000

 4959 08:45:29.038303  # [   45.655387] FS:  00007f39851a2580(0000) GS:ffff947f2ac00000(0000) knlGS:0000000000000000

 4960 08:45:29.044982  # [   45.674380] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4961 08:45:29.051660  # [   45.688590] CR2: ffffffffffffffd6 <4>[   46.202754] Oops: 0000 [#12] SMP NOPTI

 4962 08:45:29.058710  CR3: 0000000103a8c000 CR4: 00000000001506f0

 4963 08:45:29.061559  # EXEC_NULL: saw 'call trace:': ok

 4964 08:45:29.064684  ok 36 selftests: lkdtm: EXEC_NULL.sh

 4965 08:45:29.068063  # selftests: lkdtm: ACCESS_USERSPACE.sh

 4966 08:45:29.071402  # [   45.832367] lkdtm: Performing direct entry ACCESS_USERSPACE

 4967 08:45:29.084751  # [   45.839993] lkdtm: attemp<4>[   46.228943] CPU: 1 PID: 1850 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 4968 08:45:29.091512  <4>[   46.259115] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 4969 08:45:29.091594  ting bad read at 00007f7f917a8000

 4970 08:45:29.098565  # [   45.867920] lkdtm: FAIL: survived bad read

 4971 08:45:29.101098  # [   45.894468] lkdtm: attempting bad write at 00007f7f917a8000

 4972 08:45:29.107666  # [   45.922462] lkdtm: FAIL: survived bad write

 4973 08:45:29.110872  # ACCESS_USERSPACE: missing 'call trace:': [FAIL]

 4974 08:45:29.117385  not o<4>[   46.265291] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53

 4975 08:45:29.120778  k 37 selftests: lkdtm: ACCESS_USERSPACE.sh # exit=1

 4976 08:45:29.124101  # selftests: lkdtm: ACCESS_NULL.sh

 4977 08:45:29.143989  <4>[   46.292427] Code: 1c d7 fb ff be 00 10 00 00 48 89 ef e8 ca 2d 0c ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 48 b2 c1 93 e8 f6 d6 fb ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 70 b2 c1 93 48 01

 4978 08:45:29.147511  <4>[   46.319133] RSP: 0018:ffffa2db01e9fe58 EFLAGS: 00010246

 4979 08:45:29.157443  <4>[   46.324612] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000

 4980 08:45:29.164012  <4>[   46.331995] RDX: 0000000000000000 RSI: ffff947f2ad1bf50 RDI: ffff947f2ad1bf50

 4981 08:45:29.170785  <4>[   46.339379] RBP: ffffffff93c1a339 R08: 0000000000000000 R09: 0000000000000000

 4982 08:45:29.177185  <4>[   46.346761] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c

 4983 08:45:29.187341  <4>[   46.354144] R13: ffffa2db01e9ff10 R14: ffffa2db01e9ff10 R15: ffff947f03408000

 4984 08:45:29.193933  <4>[   46.361530] FS:  00007fe186c8e3c0(0000) GS:ffff947f2ad00000(0000) knlGS:0000000000000000

 4985 08:45:29.200562  <4>[   46.369867] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 4986 08:45:29.206719  <4>[   46.375864] CR2: 00007fe200d1abb0 CR3: 00000001034fa000 CR4: 00000000001506e0

 4987 08:45:29.209967  <4>[   46.383247] Call Trace:

 4988 08:45:29.213636  <4>[   46.385964]  ? __die_body.cold+0x1a/0x1f

 4989 08:45:29.216839  <4>[   46.390146]  ? no_context+0x177/0x380

 4990 08:45:29.223459  <4>[   46.394066]  ? exc_page_fault+0x53/0x170

 4991 08:45:29.226829  <4>[   46.398245]  ? asm_exc_page_fault+0x1e/0x30

 4992 08:45:29.229883  <4>[   46.402686]  ? lkdtm_ACCESS_NULL+0x14/0x53

 4993 08:45:29.236538  <4>[   46.407036]  ? lkdtm_ACCESS_NULL+0x14/0x53

 4994 08:45:29.239931  <4>[   46.411390]  direct_entry.cold+0x2c/0x38

 4995 08:45:29.243111  <4>[   46.415572]  full_proxy_write+0x56/0x80

 4996 08:45:29.246440  <4>[   46.419666]  vfs_write+0xea/0x3b0

 4997 08:45:29.249860  <4>[   46.423238]  ksys_write+0x68/0xf0

 4998 08:45:29.256306  <4>[   46.426811]  do_syscall_64+0x33/0x40

 4999 08:45:29.259738  <4>[   46.430643]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5000 08:45:29.263435  <4>[   46.435950] RIP: 0033:0x7fe186b6b473

 5001 08:45:29.283192  <4>[   46.439783] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5002 08:45:29.289615  <4>[   46.458781] RSP: 002b:00007ffca32f3f28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5003 08:45:29.299678  <4>[   46.466601] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fe186b6b473

 5004 08:45:29.305988  <4>[   46.473984] RDX: 000000000000000c RSI: 00007fe186a5f000 RDI: 0000000000000001

 5005 08:45:29.312552  <4>[   46.481369] RBP: 00007fe186a5f000 R08: 00007fe186a5e010 R09: 0000000000000000

 5006 08:45:29.319325  <4>[   46.488752] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5007 08:45:29.329247  <4>[   46.496137] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5008 08:45:29.369291  <4>[   46.503525] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common cros_ec_dev snd_soc_acp_da7219mx98357_mach designware_i2s cros_usbpd_notify snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 5009 08:45:29.371695  <4>[   46.543445] CR2: 0000000000000000

 5010 08:45:29.375482  <4>[   46.547066] ---[ end trace 2f8aaab59271feda ]---

 5011 08:45:29.381822  <4>[   46.551978] RIP: 0010:lkdtm_BUG+0x5/0x10

 5012 08:45:29.398383  <4>[   46.556286] Code: 89 ff e8 5e d2 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 e9 88 a8 00 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 d0 9a 2a 03

 5013 08:45:29.404817  <4>[   46.575313] RSP: 0018:ffffa2db00c4fe60 EFLAGS: 00010282

 5014 08:45:29.411708  <4>[   46.580881] RAX: ffffffff9237c220 RBX: 0000000000000001 RCX: 0000000000000000

 5015 08:45:29.421328  <4>[   46.588322] RDX: 0000000000000000 RSI: ffff947f2ad1bf50 RDI: ffffffff93794030

 5016 08:45:29.428140  <4>[   46.595752] RBP: ffffffff93c7e9e8 R08: 0000000000000001 R09: 0000000000000001

 5017 08:45:29.434669  <4>[   46.603220] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 5018 08:45:29.440999  <4>[   46.610659] R13: ffffa2db00c4ff10 R14: ffffa2db00c4ff10 R15: ffff947f03a8f000

 5019 08:45:29.450953  <4>[   46.618107] FS:  00007fe186c8e3c0(0000) GS:ffff947f2ad00000(0000) knlGS:0000000000000000

 5020 08:45:29.457901  <4>[   46.626506] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5021 08:45:29.464199  <4>[   46.632582] CR2: 00007fe200d1abb0 CR3: 00000001034fa000 CR4: 00000000001506e0

 5022 08:45:29.613987  <6>[   46.784844] lkdtm: Performing direct entry WRITE_RO

 5023 08:45:29.614108  # Killed

 5024 08:45:29.620993  # [   46.073156] lkdtm: Performing direct entry ACCESS_NULL

 5025 08:45:29.627195  # [   46.087588] lkdtm: attempting bad read at 0000000000000000

 5026 08:45:29.633947  # [   46.115859] BUG: kernel NULL pointer dereference, address: 0000000000000000

 5027 08:45:29.643894  # [   46.144810] #PF: supervisor read <6>[   46.789997] lkdtm: attempting bad rodata write at ffffffff937944b0

 5028 08:45:29.644003  access in kernel mode

 5029 08:45:29.650297  # [   46.172386] #PF: error_code(0x0000) - not-present page

 5030 08:45:29.653799  # [   46.177775] PGD 0 P4D 0 

 5031 08:45:29.657357  # [   46.202754] Oops: 0000 [#12] SMP NOPTI

 5032 08:45:29.663965  # [   46.228943] CPU: 1 PID: 1850 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 5033 08:45:29.673497  # [  <1>[   46.818627] BUG: unable to handle page fault for address: ffffffff937944b0

 5034 08:45:29.676832   46.259115] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 5035 08:45:29.683584  # [   46.265291] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53

 5036 08:45:29.699961  # [   46.292427] Code: 1c d7 fb ff be 00 10 00 00 48 89 ef e8 ca 2d 0c ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 48 b2 c1 93 e<1>[   46.847912] #PF: supervisor write access in kernel mode

 5037 08:45:29.706570  <1>[   46.875573] #PF: error_code(0x0003) - permissions violation

 5038 08:45:29.713448  8 f6 d6 fb ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 70 b2 c1 93 48 01

 5039 08:45:29.716720  # [   46.319133] RSP: 0018:ffffa2db01e9fe58 EFLAGS: 00010246

 5040 08:45:29.727063  # [   46.324612] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000

 5041 08:45:29.733157  # [   46.331995] RDX: 00000<6>[   46.881397] PGD 48029067 P4D 48029067 PUD 4802a063 PMD 80000000478001e1 

 5042 08:45:29.740008  00000000000 RSI: ffff947f2ad1bf50 RDI: ffff947f2ad1bf50

 5043 08:45:29.746173  # [   46.339379] RBP: ffffffff93c1a339 R08: 0000000000000000 R09: 0000000000000000

 5044 08:45:29.752912  # [   46.346761] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c

 5045 08:45:29.759473  # [   46.354144] R13: ffffa2db0<4>[   46.910532] Oops: 0003 [#13] SMP NOPTI

 5046 08:45:29.766126  1e9ff10 R14: ffffa2db01e9ff10 R15: ffff947f03408000

 5047 08:45:29.772769  # [   46.361530] FS:  00007fe186c8e3c0(0000) GS:ffff947f2ad00000(0000) knlGS:0000000000000000

 5048 08:45:29.779812  # [   46.369867] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5049 08:45:29.792668  # [   46.375864] CR2: 00007fe200d1abb0 C<4>[   46.936725] CPU: 1 PID: 1886 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 5050 08:45:29.795759  <4>[   46.966897] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 5051 08:45:29.802465  R3: 00000001034fa000 CR4: 00000000001506e0

 5052 08:45:29.802552  # [   46.383247] Call Trace:

 5053 08:45:29.808945  # [   46.385964]  ? __die_body.cold+0x1a/0x1f

 5054 08:45:29.812493  # [   46.390146]  ? no_context+0x177/0x380

 5055 08:45:29.815480  # [   46.394066]  ? exc_page_fault+0x53/0x170

 5056 08:45:29.825486  # [   46.398245]  ? asm_exc_page_fault+0x1e/<4>[   46.973075] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a

 5057 08:45:29.825569  0x30

 5058 08:45:29.828957  # [   46.402686]  ? lkdtm_ACCESS_NULL+0x14/0x53

 5059 08:45:29.832574  # [   46.407036]  ? lkdtm_ACCESS_NULL+0x14/0x53

 5060 08:45:29.838817  # [   46.411390]  direct_entry.cold+0x2c/0x38

 5061 08:45:29.842860  # [   46.415572]  full_proxy_write+0x56/0x80

 5062 08:45:29.845526  # [   46.419666]  vfs_write+0xea/0x3b0

 5063 08:45:29.865145  # [   46.423238]  k<4>[   46.999950] Code: 00 48 c7 c7 28 b1 c1 93 48 c7 c6 b0 44 79 93 e8 a0 d9 fb ff 48 8b 05 a4 0d d5 00 ba 34 12 cd ab 48 c7 c7 58 b1 c1 93 48 31 d0 <48> 89 05 8e 0d d5 00 e9 7e d9 fb ff 0f 1f 44 00 00 48 8b 05 1d cc

 5064 08:45:29.868512  sys_write+0x68/0xf0

 5065 08:45:29.871880  # [   46.426811]  do_syscall_64+0x33/0x40

 5066 08:45:29.875329  # [   46.430643]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5067 08:45:29.878529  # [   46.435950] RIP: 0033:0x7fe186b6b473

 5068 08:45:29.891542  # [   46.439783] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f <4>[   47.041131] RSP: 0018:ffffa2db01f17e60 EFLAGS: 00010202

 5069 08:45:29.901245  <4>[   47.068793] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000

 5070 08:45:29.911497  00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5071 08:45:29.918377  # [   46.458781] RSP: 002b:00007ffca32f3f28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5072 08:45:29.931134  # [   46.466601] RAX: ffffffffffffffda<4>[   47.076177] RDX: 00000000abcd1234 RSI: ffff947f2ad1bf50 RDI: ffffffff93c1b158

 5073 08:45:29.934560   R<BX: 000000000000000c RCX: 00007fe186b6b473

 5074 08:45:29.941117  # [   46.473984] RDX: 000000000000000c RSI: 00007fe186a5f000 RDI: 0000000000000001

 5075 08:45:29.948001  # [   46.481369] RBP: 00007fe186a5f000 R08: 00007fe186a5e010 R09: 0000000000000000

 5076 08:45:29.961198  # [   46.488752] R10: fffffffffffffbc5 R114>[   47.105743] RBP: ffffffff93c1a345 R08: 0000000000000000 R09: 0000000000000000

 5077 08:45:29.967792  <4>[   47.135315] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009

 5078 08:45:29.971051  : 0000000000000246 R12: 0000000000000001

 5079 08:45:29.977425  # [   46.496137] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5080 08:45:29.997473  # [   46.503525] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_charg<4>[   47.142698] R13: ffffa2db01f17f10 R14: ffffa2db01f17f10 R15: ffff947f030ed000

 5081 08:45:30.027010  er cros_usbpd_logger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common cros_ec_dev snd_soc_acp_da7219mx98357_mach designware_i2s cros_usbpd_notify snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma chromeos_pstor<4>[   47.172265] FS:  00007fec89bfb580(0000) GS:ffff947f2ad00000(0000) knlGS:0000000000000000

 5082 08:45:30.033569  <4>[   47.202789] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5083 08:45:30.040104  e coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 5084 08:45:30.043584  # [   46.543445] CR2: 0000000000000000

 5085 08:45:30.046965  # [   46.547066] ---[ end trace 2f8aaab59271feda ]---

 5086 08:45:30.050720  # [   46.551978] RIP: 0010:lkdtm_BUG+0x5/0x10

 5087 08:45:30.063614  # [   46.556286] Code: 89 ff e8 5e d2 79 <4>[   47.208785] CR2: ffffffff937944b0 CR3: 0000000103f58000 CR4: 00000000001506e0

 5088 08:45:30.066485  <4>[   47.238350] Call Trace:

 5089 08:45:30.080111  ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 e9 88 a8 00 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 d0 9a 2a 03

 5090 08:45:30.086417  # [   46.575313] RSP: 0018:ffffa2db00c4fe60 EFLAGS: 00010282

 5091 08:45:30.093598  # [   46.580881] <4>[   47.241063]  ? __die_body.cold+0x1a/0x1f

 5092 08:45:30.096643  RAX: ffffffff9237c220 RBX: 0000000000000001 RCX: 0000000000000000

 5093 08:45:30.106239  # [   46.588322] RDX: 0000000000000000 RSI: ffff947f2ad1bf50 RDI: ffffffff93794030

 5094 08:45:30.113049  # [   46.595752] RBP: ffffffff93c7e9e8 R08: 0000000000000001 R09: 0000000000000001

 5095 08:45:30.116212  # [   46.603220] R10:<4>[   47.267419]  ? no_context+0x177/0x380

 5096 08:45:30.123015   00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 5097 08:45:30.129528  # [   46.610659] R13: ffffa2db00c4ff10 R14: ffffa2db00c4ff10 R15: ffff947f03a8f000

 5098 08:45:30.139438  # [   46.618107] FS:  00007fe186c8e3c0(0000) GS:ffff947f2ad00000(0000) knlGS:0000000000000000

 5099 08:45:30.142830  # [   46.62650<4>[   47.293523]  ? exc_page_fault+0xd7/0x170

 5100 08:45:30.149388  6] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5101 08:45:30.156201  # [   46.632582] CR2: 00007fe200d1abb0 CR3: 00000001034fa000 CR4: 00000000001506e0

 5102 08:45:30.159409  # ACCESS_NULL: saw 'call trace:': ok

 5103 08:45:30.162857  ok 38 selftests: lkdtm: ACCESS_NULL.sh

 5104 08:45:30.165898  # selftests: lkdtm: WRITE_RO.sh

 5105 08:45:30.168974  <4>[   47.319882]  ? asm_exc_page_fault+0x1e/0x30

 5106 08:45:30.176006  <4>[   47.345899]  ? lkdtm_WRITE_RO+0x2e/0x3a

 5107 08:45:30.178893  <4>[   47.349990]  direct_entry.cold+0x2c/0x38

 5108 08:45:30.182171  <4>[   47.354174]  full_proxy_write+0x56/0x80

 5109 08:45:30.185907  <4>[   47.358269]  vfs_write+0xea/0x3b0

 5110 08:45:30.189216  <4>[   47.361841]  ksys_write+0x68/0xf0

 5111 08:45:30.192160  <4>[   47.365414]  do_syscall_64+0x33/0x40

 5112 08:45:30.198884  <4>[   47.369245]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5113 08:45:30.202283  <4>[   47.374551] RIP: 0033:0x7fec89ad3473

 5114 08:45:30.222115  <4>[   47.378383] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5115 08:45:30.228682  <4>[   47.397380] RSP: 002b:00007fff57092168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5116 08:45:30.235573  <4>[   47.405199] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007fec89ad3473

 5117 08:45:30.245407  <4>[   47.412581] RDX: 0000000000000009 RSI: 00007fec899c7000 RDI: 0000000000000001

 5118 08:45:30.252046  <4>[   47.419967] RBP: 00007fec899c7000 R08: 00007fec899c6010 R09: 0000000000000000

 5119 08:45:30.258695  <4>[   47.427349] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5120 08:45:30.265554  <4>[   47.434734] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5121 08:45:30.305321  <4>[   47.442122] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common cros_ec_dev snd_soc_acp_da7219mx98357_mach designware_i2s cros_usbpd_notify snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 5122 08:45:30.311858  <4>[   47.482045] CR2: ffffffff937944b0

 5123 08:45:30.315000  <4>[   47.485617] ---[ end trace 2f8aaab59271fedb ]---

 5124 08:45:30.318160  <4>[   47.490494] RIP: 0010:lkdtm_BUG+0x5/0x10

 5125 08:45:30.337914  <4>[   47.494672] Code: 89 ff e8 5e d2 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 e9 88 a8 00 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 d0 9a 2a 03

 5126 08:45:30.344700  <4>[   47.513671] RSP: 0018:ffffa2db00c4fe60 EFLAGS: 00010282

 5127 08:45:30.351000  <4>[   47.519152] RAX: ffffffff9237c220 RBX: 0000000000000001 RCX: 0000000000000000

 5128 08:45:30.357439  <4>[   47.526535] RDX: 0000000000000000 RSI: ffff947f2ad1bf50 RDI: ffffffff93794030

 5129 08:45:30.364319  <4>[   47.533920] RBP: ffffffff93c7e9e8 R08: 0000000000000001 R09: 0000000000000001

 5130 08:45:30.374556  <4>[   47.541304] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 5131 08:45:30.381118  <4>[   47.548688] R13: ffffa2db00c4ff10 R14: ffffa2db00c4ff10 R15: ffff947f03a8f000

 5132 08:45:30.387794  <4>[   47.556071] FS:  00007fec89bfb580(0000) GS:ffff947f2ad00000(0000) knlGS:0000000000000000

 5133 08:45:30.394512  <4>[   47.564408] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5134 08:45:30.400921  <4>[   47.570404] CR2: ffffffff937944b0 CR3: 0000000103f58000 CR4: 00000000001506e0

 5135 08:45:30.410658  <3>[   47.577789] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 5136 08:45:30.417450  <3>[   47.586907] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1886, name: cat

 5137 08:45:30.424134  <4>[   47.594725] INFO: lockdep is turned off.

 5138 08:45:30.427322  <4>[   47.598900] irq event stamp: 0

 5139 08:45:30.434148  <4>[   47.602210] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5140 08:45:30.440509  <4>[   47.608730] hardirqs last disabled at (0): [<ffffffff918fd6dc>] copy_process+0x65c/0x20e0

 5141 08:45:30.450536  <4>[   47.617157] softirqs last  enabled at (0): [<ffffffff918fd6dc>] copy_process+0x65c/0x20e0

 5142 08:45:30.456896  <4>[   47.625583] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5143 08:45:30.463689  <4>[   47.632104] CPU: 1 PID: 1886 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 5144 08:45:30.470480  <4>[   47.640096] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 5145 08:45:30.473333  <4>[   47.646266] Call Trace:

 5146 08:45:30.477095  <4>[   47.648975]  dump_stack+0x77/0x9b

 5147 08:45:30.480152  <4>[   47.652550]  ___might_sleep.cold+0xa6/0xb6

 5148 08:45:30.483661  <4>[   47.656905]  exit_signals+0x1c/0x300

 5149 08:45:30.487219  <4>[   47.660736]  do_exit+0xc2/0xab0

 5150 08:45:30.493300  <4>[   47.664137]  ? ksys_write+0x68/0xf0

 5151 08:45:30.496995  <4>[   47.667883]  make_task_dead+0x2f/0x30

 5152 08:45:30.500136  <4>[   47.671801]  rewind_stack_and_make_dead+0x17/0x20

 5153 08:45:30.503141  <4>[   47.676760] RIP: 0033:0x7fec89ad3473

 5154 08:45:30.523204  <4>[   47.680592] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5155 08:45:30.532942  <4>[   47.699592] RSP: 002b:00007fff57092168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5156 08:45:30.539433  <4>[   47.707413] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007fec89ad3473

 5157 08:45:30.546101  <4>[   47.714796] RDX: 0000000000000009 RSI: 00007fec899c7000 RDI: 0000000000000001

 5158 08:45:30.552717  <4>[   47.722181] RBP: 00007fec899c7000 R08: 00007fec899c6010 R09: 0000000000000000

 5159 08:45:30.562629  <4>[   47.729564] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5160 08:45:30.569044  <4>[   47.736949] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5161 08:45:30.803794  <6>[   47.974241] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT

 5162 08:45:30.807145  # Killed

 5163 08:45:30.810020  # [   46.784844] lkdtm: Performing direct entry WRITE_RO

 5164 08:45:30.817051  # [   46.789997] lkdtm: attempting bad rodata write at ffffffff937944b0

 5165 08:45:30.823414  # [   46.818627] BUG: unable to handle page fault for address: ffffffff937944b0

 5166 08:45:30.833061  # [   46.847912] #PF: supervisor w<6>[   47.980400] lkdtm: attempting bad ro_after_init write at ffffffff93ca0350

 5167 08:45:30.836333  rite access in kernel mode

 5168 08:45:30.843116  # [   46.875573] #PF: error_code(0x0003) - permissions violation

 5169 08:45:30.849703  # [   46.881397] PGD 48029067 P4D 48029067 PUD 4802a063 PMD 80000000478001e1 

 5170 08:45:30.852945  # [   46.910532] Oops: 0003 [#13] SMP NOPTI

 5171 08:45:30.862909  # [   46.936725] CPU: 1 PID: 1886 Comm<1>[   48.009664] BUG: unable to handle page fault for address: ffffffff93ca0350

 5172 08:45:30.869430  <1>[   48.038907] #PF: supervisor write access in kernel mode

 5173 08:45:30.872731  <1>[   48.044385] #PF: error_code(0x0003) - permissions violation

 5174 08:45:30.882787  <6>[   48.050208] PGD 48029067 P4D 48029067 PUD 4802a063 PMD 1055ca063 PTE 8000000047ea0161

 5175 08:45:30.886171  <4>[   48.058293] Oops: 0003 [#14] SMP NOPTI

 5176 08:45:30.896026  <4>[   48.062299] CPU: 0 PID: 1922 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 5177 08:45:30.899260  <4>[   48.070287] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 5178 08:45:30.905876  <4>[   48.076462] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a

 5179 08:45:30.926084  <4>[   48.082112] Code: b1 c1 93 e9 52 d9 fb ff 48 c7 c7 b0 b1 c1 93 e8 46 d9 fb ff 48 8b 05 ea cb 25 01 ba 34 12 cd ab 48 c7 c7 58 b1 c1 93 48 31 d0 <48> 89 05 d4 cb 25 01 e9 24 d9 fb ff 0f 1f 44 00 00 41 54 48 c7 c7

 5180 08:45:30.932537  <4>[   48.101109] RSP: 0018:ffffa2db01f9fe60 EFLAGS: 00010202

 5181 08:45:30.939328  <4>[   48.106585] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000

 5182 08:45:30.945849  <4>[   48.113965] RDX: 00000000abcd1234 RSI: ffff947f2ac1bf50 RDI: ffffffff93c1b158

 5183 08:45:30.952401  <4>[   48.121347] RBP: ffffffff93c1a34e R08: 0000000000000000 R09: 0000000000000000

 5184 08:45:30.958858  <4>[   48.128728] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014

 5185 08:45:30.968765  <4>[   48.136110] R13: ffffa2db01f9ff10 R14: ffffa2db01f9ff10 R15: ffff947f05c50000

 5186 08:45:30.975561  <4>[   48.143492] FS:  00007f37e4a37580(0000) GS:ffff947f2ac00000(0000) knlGS:0000000000000000

 5187 08:45:30.981901  <4>[   48.151827] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5188 08:45:30.988789  <4>[   48.157823] CR2: ffffffff93ca0350 CR3: 0000000103394000 CR4: 00000000001506f0

 5189 08:45:30.992010  <4>[   48.165205] Call Trace:

 5190 08:45:30.995612  <4>[   48.167916]  ? __die_body.cold+0x1a/0x1f

 5191 08:45:30.998587  <4>[   48.172098]  ? no_context+0x177/0x380

 5192 08:45:31.005323  <4>[   48.176019]  ? exc_page_fault+0xd7/0x170

 5193 08:45:31.008615  <4>[   48.180198]  ? asm_exc_page_fault+0x1e/0x30

 5194 08:45:31.015157  <4>[   48.184639]  ? lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a

 5195 08:45:31.018442  <4>[   48.189684]  direct_entry.cold+0x2c/0x38

 5196 08:45:31.021855  <4>[   48.193865]  full_proxy_write+0x56/0x80

 5197 08:45:31.025109  <4>[   48.197959]  vfs_write+0xea/0x3b0

 5198 08:45:31.028574  <4>[   48.201531]  ksys_write+0x68/0xf0

 5199 08:45:31.031999  <4>[   48.205104]  do_syscall_64+0x33/0x40

 5200 08:45:31.038206  <4>[   48.208935]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5201 08:45:31.041715  <4>[   48.214239] RIP: 0033:0x7f37e4943473

 5202 08:45:31.061441  <4>[   48.218071] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5203 08:45:31.067990  <4>[   48.237068] RSP: 002b:00007fff10941728 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5204 08:45:31.077863  <4>[   48.244885] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f37e4943473

 5205 08:45:31.084795  <4>[   48.252269] RDX: 0000000000000014 RSI: 00007f37e4837000 RDI: 0000000000000001

 5206 08:45:31.091113  <4>[   48.259652] RBP: 00007f37e4837000 R08: 00007f37e4836010 R09: 0000000000000000

 5207 08:45:31.098123  <4>[   48.267033] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5208 08:45:31.104611  <4>[   48.274415] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5209 08:45:31.147607  <4>[   48.281803] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common cros_ec_dev snd_soc_acp_da7219mx98357_mach designware_i2s cros_usbpd_notify snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 5210 08:45:31.150974  <4>[   48.321726] CR2: ffffffff93ca0350

 5211 08:45:31.154048  <4>[   48.325296] ---[ end trace 2f8aaab59271fedc ]---

 5212 08:45:31.157312  <4>[   48.330171] RIP: 0010:lkdtm_BUG+0x5/0x10

 5213 08:45:31.177168  <4>[   48.334349] Code: 89 ff e8 5e d2 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 e9 88 a8 00 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 d0 9a 2a 03

 5214 08:45:31.183980  <4>[   48.353346] RSP: 0018:ffffa2db00c4fe60 EFLAGS: 00010282

 5215 08:45:31.190761  <4>[   48.358823] RAX: ffffffff9237c220 RBX: 0000000000000001 RCX: 0000000000000000

 5216 08:45:31.197399  <4>[   48.366206] RDX: 0000000000000000 RSI: ffff947f2ad1bf50 RDI: ffffffff93794030

 5217 08:45:31.203821  <4>[   48.373588] RBP: ffffffff93c7e9e8 R08: 0000000000000001 R09: 0000000000000001

 5218 08:45:31.213981  <4>[   48.380970] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 5219 08:45:31.220458  <4>[   48.388352] R13: ffffa2db00c4ff10 R14: ffffa2db00c4ff10 R15: ffff947f03a8f000

 5220 08:45:31.227209  <4>[   48.395736] FS:  00007f37e4a37580(0000) GS:ffff947f2ac00000(0000) knlGS:0000000000000000

 5221 08:45:31.233996  <4>[   48.404072] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5222 08:45:31.240648  <4>[   48.410067] CR2: ffffffff93ca0350 CR3: 0000000103394000 CR4: 00000000001506f0

 5223 08:45:31.246863  : cat Tainted: G      D W         5.10.209-cip44 #1

 5224 08:45:31.253429  # [   46.966897] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 5225 08:45:31.257240  # [   46.973075] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a

 5226 08:45:31.276629  # [   46.999950] Code: 00 48 c7 c7 28 b1 c1 93 48 c7 c6 b0 44 79 93 e8 a0 d9 fb ff 48 8b 05 a4 0d d5 00 ba 34 12 cd ab 48 c7 c7 58 b1 c1 93 48 31 d0 <48> 89 05 8e 0d d5 00 e9 7e d9 fb ff 0f 1f 44 00 00 48 8b 05 1d cc

 5227 08:45:31.279852  # [   47.041131] RSP: 0018:ffffa2db01f17e60 EFLAGS: 00010202

 5228 08:45:31.289583  # [   47.068793] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000

 5229 08:45:31.296355  # [   47.076177] RDX: 00000000abcd1234 RSI: ffff947f2ad1bf50 RDI: ffffffff93c1b158

 5230 08:45:31.303162  # [   47.105743] RBP: ffffffff93c1a345 R08: 0000000000000000 R09: 0000000000000000

 5231 08:45:31.309799  # [   47.135315] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009

 5232 08:45:31.316398  # [   47.142698] R13: ffffa2db01f17f10 R14: ffffa2db01f17f10 R15: ffff947f030ed000

 5233 08:45:31.326248  # [   47.172265] FS:  00007fec89bfb580(0000) GS:ffff947f2ad00000(0000) knlGS:0000000000000000

 5234 08:45:31.332609  # [   47.202789] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5235 08:45:31.339237  # [   47.208785] CR2: ffffffff937944b0 CR3: 0000000103f58000 CR4: 00000000001506e0

 5236 08:45:31.343038  # [   47.238350] Call Trace:

 5237 08:45:31.345768  # [   47.241063]  ? __die_body.cold+0x1a/0x1f

 5238 08:45:31.349633  # [   47.267419]  ? no_context+0x177/0x380

 5239 08:45:31.352704  # [   47.293523]  ? exc_page_fault+0xd7/0x170

 5240 08:45:31.359458  # [   47.319882]  ? asm_exc_page_fault+0x1e/0x30

 5241 08:45:31.362431  # [   47.345899]  ? lkdtm_WRITE_RO+0x2e/0x3a

 5242 08:45:31.366108  # [   47.349990]  direct_entry.cold+0x2c/0x38

 5243 08:45:31.369104  # [   47.354174]  full_proxy_write+0x56/0x80

 5244 08:45:31.372532  # [   47.358269]  vfs_write+0xea/0x3b0

 5245 08:45:31.375682  # [   47.361841]  ksys_write+0x68/0xf0

 5246 08:45:31.378974  # [   47.365414]  do_syscall_64+0x33/0x40

 5247 08:45:31.385752  # [   47.369245]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5248 08:45:31.389072  # [   47.374551] RIP: 0033:0x7fec89ad3473

 5249 08:45:31.408896  # [   47.378383] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5250 08:45:31.415475  # [   47.397380] RSP: 002b:00007fff57092168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5251 08:45:31.425697  # [   47.405199] RAX: fffffffffffff<6>[   48.588786] lkdtm: Performing direct entry WRITE_KERN

 5252 08:45:31.429478  fda RBX: 0000000000000009 RCX: 00007fec89ad3473

 5253 08:45:31.435475  # [   47.412581] RDX: 0000000000000009 RSI: 00007fec899c7000 RDI: 0000000000000001

 5254 08:45:31.441987  # [   47.419967] RBP: 00007fec899c7000 R08: 00007fec899c6010 R09: 0000000000000000

 5255 08:45:31.455482  # [   47.427349] R10: fffffffffffffbc5 <6>[   48.600325] lkdtm: attempting bad 7106710 byte write at ffffffff92a43686

 5256 08:45:31.458750  R11: 0000000000000246 R12: 0000000000000001

 5257 08:45:31.465199  # [   47.434734] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5258 08:45:31.481678  # [   47.442122] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_ch<1>[   48.629470] BUG: unable to handle page fault for address: ffffffff92a43686

 5259 08:45:31.511389  arger cros_usbpd_logger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common cros_ec_dev snd_soc_acp_da7219mx98357_mach designware_i2s cros_usbpd_notify snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma chromeos_ps<1>[   48.658745] #PF: supervisor write access in kernel mode

 5260 08:45:31.517972  to<re coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 5261 08:45:31.521541  # [   47.482045] CR2: ffffffff937944b0

 5262 08:45:31.524486  # [   47.485617] ---[ end trace 2f8aaab59271fedb ]---

 5263 08:45:31.531233  # [   47.490494] RIP: 0010:lkdtm_BUG+0x5/0x10

 5264 08:45:31.537723  # [   47.494672] Code: 89 ff e8 5e d2 1>[   48.686404] #PF: error_code(0x0003) - permissions violation

 5265 08:45:31.554282  79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 e9 88 a8 00 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 d0 9a 2a 03

 5266 08:45:31.561158  # [   47.513671] RSP: 0018:ffffa2db00c4fe60 EFLAGS: 00010282

 5267 08:45:31.567973  # [   47.51915<6>[   48.714412] PGD 48029067 P4D 48029067 PUD 4802a063 PMD 46c001e1 

 5268 08:45:31.574692  2] RAX: ffffffff9237c220 RBX: 0000000000000001 RCX: 0000000000000000

 5269 08:45:31.581090  # [   47.526535] RDX: 0000000000000000 RSI: ffff947f2ad1bf50 RDI: ffffffff93794030

 5270 08:45:31.587689  # [   47.533920] RBP: ffffffff93c7e9e8 R08: 0000000000000001 R09: 0000000000000001

 5271 08:45:31.594386  # [   47.541304] R<4>[   48.742874] Oops: 0003 [#15] SMP NOPTI

 5272 08:45:31.597217  10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 5273 08:45:31.607477  # [   47.548688] R13: ffffa2db00c4ff10 R14: ffffa2db00c4ff10 R15: ffff947f03a8f000

 5274 08:45:31.613815  # [   47.556071] FS:  00007fec89bfb580(0000) GS:ffff947f2ad00000(0000) knlGS:0000000000000000

 5275 08:45:31.624040  # [   47.56<4>[   48.769063] CPU: 1 PID: 1958 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 5276 08:45:31.630859  <4>[   48.799234] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 5277 08:45:31.633808  4408] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5278 08:45:31.640727  # [   47.570404] CR2: ffffffff937944b0 CR3: 0000000103f58000 CR4: 00000000001506e0

 5279 08:45:31.650439  # [   47.577789] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 5280 08:45:31.657376  # [   47.58<4>[   48.805409] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e

 5281 08:45:31.663671  6907] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1886, name: cat

 5282 08:45:31.667033  # [   47.594725] INFO: lockdep is turned off.

 5283 08:45:31.670554  # [   47.598900] irq event stamp: 0

 5284 08:45:31.676990  # [   47.602210] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5285 08:45:31.696669  # [   47.608730] har<4>[   48.832458] Code: 53 48 c7 c3 86 36 a4 92 49 89 dc 48 89 da 49 81 ec f0 c5 37 92 4c 89 e6 e8 f9 d8 fb ff 48 89 df 4c 89 e1 48 c7 c6 f0 c5 37 92 <f3> a4 48 c7 c7 58 b1 c1 93 e8 de d8 fb ff 5b 41 5c e9 b7 fe ff ff

 5286 08:45:31.703228  di<rqs last disabled at (0): [<ffffffff918fd6dc>] copy_process+0x65c/0x20e0

 5287 08:45:31.713499  # [   47.617157] softirqs last  enabled at (0): [<ffffffff918fd6dc>] copy_process+0x65c/0x20e0

 5288 08:45:31.719813  # [   47.625583] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5289 08:45:31.726756  # [   47.64>[   48.873639] RSP: 0018:ffffa2db0401fe50 EFLAGS: 00010246

 5290 08:45:31.733151  32<104] CPU: 1 PID: 1886 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 5291 08:45:31.739566  # [   47.640096] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 5292 08:45:31.742763  # [   47.646266] Call Trace:

 5293 08:45:31.746184  # [   47.648975]  dump_stack+0x77/0x9b

 5294 08:45:31.756205  # [   47.652550]  ___might_sleep.co4>[   48.901304] RAX: 000000000000003c RBX: ffffffff92a43686 RCX: 00000000006c7096

 5295 08:45:31.756291  ld<+0xa6/0xb6

 5296 08:45:31.759537  # [   47.656905]  exit_signals+0x1c/0x300

 5297 08:45:31.762907  # [   47.660736]  do_exit+0xc2/0xab0

 5298 08:45:31.765894  # [   47.664137]  ? ksys_write+0x68/0xf0

 5299 08:45:31.769427  # [   47.667883]  make_task_dead+0x2f/0x30

 5300 08:45:31.776079  # [   47.671801]  rewind_stack_and_make_dead+0x17/0x20

 5301 08:45:31.785643  # [   47.676760] RI4>[   48.930866] RDX: 0000000000000000 RSI: ffffffff9237c5f0 RDI: ffffffff92a43686

 5302 08:45:31.785727  P: 0033:0x7fec89ad3473

 5303 08:45:31.805818  # [   47.680592] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5304 08:45:31.815646  # [   47.69959<4>[   48.960438] RBP: ffffffff93c1a362 R08: 0000000000000000 R09: 0000000000000000

 5305 08:45:31.822497  2]< RSP: 002b:00007fff57092168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5306 08:45:31.829300  # [   47.707413] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007fec89ad3473

 5307 08:45:31.835453  # [   47.714796] RDX: 0000000000000009 RSI: 00007fec899c7000 RDI: 0000000000000001

 5308 08:45:31.841996  # [   47.72214>[   48.990006] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000006c7096

 5309 08:45:31.849212  81<] RBP: 00007fec899c7000 R08: 00007fec899c6010 R09: 0000000000000000

 5310 08:45:31.858680  # [   47.729564] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5311 08:45:31.865522  # [   47.736949] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5312 08:45:31.872115  # WRITE_RO: saw '4>[   49.019578] R13: ffffa2db0401ff10 R14: ffffa2db0401ff10 R15: ffff947f066ea000

 5313 08:45:31.875521  call trace:': ok

 5314 08:45:31.878907  ok 39 selftests: lkdtm: WRITE_RO.sh

 5315 08:45:31.881856  # selftests: lkdtm: WRITE_RO_AFTER_INIT.sh

 5316 08:45:31.881993  # Killed

 5317 08:45:31.888528  # [   47.974241] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT

 5318 08:45:31.904996  # [   47.980400] lkdtm: attempting bad ro_after_init write at ffffffff93ca0350<4>[   49.049150] FS:  00007fc717147580(0000) GS:ffff947f2ad00000(0000) knlGS:0000000000000000

 5319 08:45:31.905108  

 5320 08:45:31.912144  <# [   48.009664] BUG: unable to handle page fault for address: ffffffff93ca0350

 5321 08:45:31.915117  # [   48.038907] #PF: supervisor write access in kernel mode

 5322 08:45:31.921957  # [   48.044385] #PF: error_code(0x0003) - permissions violation

 5323 08:45:31.932072  # [   48.050208] PGD 48029067 P4D 48029067 PU4>[   49.079672] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5324 08:45:31.934919  D <4802a063 PMD 1055ca063 PTE 8000000047ea0161

 5325 08:45:31.941223  # [   48.058293] Oops: 0003 [#14] SMP NOPTI

 5326 08:45:31.947888  # [   48.062299] CPU: 0 PID: 1922 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 5327 08:45:31.955174  # [   48.070287] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 5328 08:45:31.961439  # [4>[   49.107857] CR2: ffffffff92a43686 CR3: 0000000103ad2000 CR4: 00000000001506e0

 5329 08:45:31.964959  <4>[   49.137428] Call Trace:

 5330 08:45:31.971591     48.076462] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a

 5331 08:45:31.991628  # [   48.082112] Code: b1 c1 93 e9 52 d9 fb ff 48 c7 c7 b0 b1 c1 93 e8 46 d9 fb ff 48 8b 05 ea cb 25 01 ba 34 12 cd ab 48 c7 c7 58 b1 c1 93 48 31 d0 <48> 89 05 d4 cb 25 01 e9 24 d9 fb ff 0f 1f 44<4>[   49.140141]  ? __die_body.cold+0x1a/0x1f

 5332 08:45:31.991795   00 00 41 54 48 c7 c7

 5333 08:45:31.998185  # [   48.101109] RSP: 0018:ffffa2db01f9fe60 EFLAGS: 00010202

 5334 08:45:32.004792  # [   48.106585] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000

 5335 08:45:32.011115  # [   48.113965] RDX: 00000000abcd1234 RSI: ffff947f2ac1bf50 RDI: ffffffff93c1b158

 5336 08:45:32.017917  # [<4>[   49.166497]  ? no_context+0x177/0x380

 5337 08:45:32.024486     48.121347] RBP: ffffffff93c1a34e R08: 0000000000000000 R09: 0000000000000000

 5338 08:45:32.031096  # [   48.128728] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014

 5339 08:45:32.038276  # [   48.136110] R13: ffffa2db01f9ff10 R14: ffffa2db01f9ff10 R15: ffff947f05c50000

 5340 08:45:32.044816  # [   4<4>[   49.192601]  ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32

 5341 08:45:32.051090  8.143492] FS:  00007f37e4a37580(0000) GS:ffff947f2ac00000(0000) knlGS:0000000000000000

 5342 08:45:32.057540  # [   48.151827] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5343 08:45:32.064743  # [   48.157823] CR2: ffffffff93ca0350 CR3: 0000000103394000 CR4: 00000000001506f0

 5344 08:45:32.071449  # [   48.165205]<4>[   49.219916]  ? exc_page_fault+0xd7/0x170

 5345 08:45:32.072045   Call Trace:

 5346 08:45:32.077580  # [   48.167916]  ? __die_body.cold+0x1a/0x1f

 5347 08:45:32.080720  # [   48.172098]  ? no_context+0x177/0x380

 5348 08:45:32.084622  # [   48.176019]  ? exc_page_fault+0xd7/0x170

 5349 08:45:32.087576  # [   48.180198]  ? asm_exc_page_fault+0x1e/0x30

 5350 08:45:32.097602  # [   48.184639]  ? lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5<4>[   49.246276]  ? asm_exc_page_fault+0x1e/0x30

 5351 08:45:32.098221  a

 5352 08:45:32.100720  # [   48.189684]  direct_entry.cold+0x2c/0x38

 5353 08:45:32.107375  # [   48.193865]  full_proxy_write+0x56/0x80

 5354 08:45:32.110859  # [   48.197959]  vfs_write+0xea/0x3b0

 5355 08:45:32.114368  # [   48.201531]  ksys_write+0x68/0xf0

 5356 08:45:32.117305  # [   48.205104]  do_syscall_64+0x33/0x40

 5357 08:45:32.123715  # [   48.208935]  entry_SYSCALL_64_af<4>[   49.272899]  ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32

 5358 08:45:32.127081  ter_hwframe+0x62/0xc7

 5359 08:45:32.130275  # [   48.214239] RIP: 0033:0x7f37e4943473

 5360 08:45:32.150572  # [   48.218071] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 <4>[   49.300218]  ? lkdtm_SLAB_FREE_PAGE+0x40/0x40

 5361 08:45:32.153607  48< 83 ec 28 48 89 54 24 18

 5362 08:45:32.163617  # [   48.237068] RSP: 002b:00007fff10941728 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5363 08:45:32.170176  # [   48.244885] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f37e4943473

 5364 08:45:32.180435  # [   48.252269] RDX: 0000000000000014 RSI: 00007f37e484>[   49.327009]  ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32

 5365 08:45:32.181025  37000 RDI: 0000000000000001

 5366 08:45:32.190149  # [   48.259652] RBP: 00007f37e4837000 R08: 00007f37e4836010 R09: 0000000000000000

 5367 08:45:32.196618  # [   48.267033] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5368 08:45:32.206512  # [   48.274415] R13: 0000000000000001 R14: 000000000002000<4>[   49.354328]  ? lkdtm_WRITE_KERN+0x38/0x4e

 5369 08:45:32.207076  0 R15: 0000000000020000

 5370 08:45:32.232581  # [   48.281803] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common<4>[   49.380781]  direct_entry.cold+0x2c/0x38

 5371 08:45:32.252905   cros_ec_dev snd_soc_acp_da7219mx98357_mach designware_i2s cros_usbpd_notify snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 5372 08:45:32.259144  # [   48.321726] CR2: ffffff<4>[   49.407145]  full_proxy_write+0x56/0x80

 5373 08:45:32.259752  ff93ca0350

 5374 08:45:32.262346  # [   48.325296] ---[ end trace 2f8aaab59271fedc ]---

 5375 08:45:32.269109  # [   48.330171] RIP: 0010:lkdtm_BUG+0x5/0x10

 5376 08:45:32.285402  # [   48.334349] Code: 89 ff e8 5e d2 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 e9 88 a8 00 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44<4>[   49.433419]  vfs_write+0xea/0x3b0

 5377 08:45:32.292123   00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 d0 9a 2a 03

 5378 08:45:32.295530  # [   48.353346] RSP: 0018:ffffa2db00c4fe60 EFLAGS: 00010282

 5379 08:45:32.302379  # [   48.358823] RAX: ffffffff9237c220 RBX: 0000000000000001 RCX: 0000000000000000

 5380 08:45:32.308562  # [   48.366206] RDX: 000000000000<4>[   49.459173]  ksys_write+0x68/0xf0

 5381 08:45:32.315320  0000 RSI: ffff947f2ad1bf50 RDI: ffffffff93794030

 5382 08:45:32.322210  # [   48.373588] RBP: ffffffff93c7e9e8 R08: 0000000000000001 R09: 0000000000000001

 5383 08:45:32.328572  # [   48.380970] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 5384 08:45:32.335192  # [   48.388352] R13: ffffa2db00c4ff10<4>[   49.484930]  do_syscall_64+0x33/0x40

 5385 08:45:32.338058   R14: ffffa2db00c4ff10 R15: ffff947f03a8f000

 5386 08:45:32.348194  # [   48.395736] FS:  00007f37e4a37580(0000) GS:ffff947f2ac00000(0000) knlGS:0000000000000000

 5387 08:45:32.354621  # [   48.404072] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5388 08:45:32.364552  # [   48.410067] CR2: ffffffff93ca0350 CR3: 000<4>[   49.510944]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5389 08:45:32.368378  0000103394000 CR4: 00000000001506f0

 5390 08:45:32.371204  # WRITE_RO_AFTER_INIT: saw 'call trace:': ok

 5391 08:45:32.374453  ok 40 selftests: lkdtm: WRITE_RO_AFTER_INIT.sh

 5392 08:45:32.377994  # selftests: lkdtm: WRITE_KERN.sh

 5393 08:45:32.381440  <4>[   49.538434] RIP: 0033:0x7fc717053473

 5394 08:45:32.401178  <4>[   49.556648] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5395 08:45:32.407623  <4>[   49.575645] RSP: 002b:00007ffdb95b2b58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5396 08:45:32.414067  <4>[   49.583463] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007fc717053473

 5397 08:45:32.423644  <4>[   49.590846] RDX: 000000000000000b RSI: 00007fc716f47000 RDI: 0000000000000001

 5398 08:45:32.430415  <4>[   49.598228] RBP: 00007fc716f47000 R08: 00007fc716f46010 R09: 0000000000000000

 5399 08:45:32.437736  <4>[   49.605610] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5400 08:45:32.444012  <4>[   49.613004] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5401 08:45:32.483464  <4>[   49.620389] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common cros_ec_dev snd_soc_acp_da7219mx98357_mach designware_i2s cros_usbpd_notify snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 5402 08:45:32.490572  <4>[   49.660306] CR2: ffffffff92a43686

 5403 08:45:32.493703  <4>[   49.663878] ---[ end trace 2f8aaab59271fedd ]---

 5404 08:45:32.497141  <4>[   49.668748] RIP: 0010:lkdtm_BUG+0x5/0x10

 5405 08:45:32.516332  <4>[   49.672926] Code: 89 ff e8 5e d2 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff e9 e9 88 a8 00 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 d0 9a 2a 03

 5406 08:45:32.523120  <4>[   49.691924] RSP: 0018:ffffa2db00c4fe60 EFLAGS: 00010282

 5407 08:45:32.529704  <4>[   49.697402] RAX: ffffffff9237c220 RBX: 0000000000000001 RCX: 0000000000000000

 5408 08:45:32.536761  <4>[   49.704784] RDX: 0000000000000000 RSI: ffff947f2ad1bf50 RDI: ffffffff93794030

 5409 08:45:32.543259  <4>[   49.712166] RBP: ffffffff93c7e9e8 R08: 0000000000000001 R09: 0000000000000001

 5410 08:45:32.553168  <4>[   49.719549] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 5411 08:45:32.559859  <4>[   49.726929] R13: ffffa2db00c4ff10 R14: ffffa2db00c4ff10 R15: ffff947f03a8f000

 5412 08:45:32.565921  <4>[   49.734312] FS:  00007fc717147580(0000) GS:ffff947f2ad00000(0000) knlGS:0000000000000000

 5413 08:45:32.572735  <4>[   49.742650] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5414 08:45:32.579782  <4>[   49.748647] CR2: ffffffff92a43686 CR3: 0000000103ad2000 CR4: 00000000001506e0

 5415 08:45:32.589572  <3>[   49.756031] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 5416 08:45:32.599405  <3>[   49.765147] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1958, name: cat

 5417 08:45:32.602732  <4>[   49.772962] INFO: lockdep is turned off.

 5418 08:45:32.605996  <4>[   49.777137] irq event stamp: 0

 5419 08:45:32.612551  <4>[   49.780448] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5420 08:45:32.619242  <4>[   49.786967] hardirqs last disabled at (0): [<ffffffff918fd6dc>] copy_process+0x65c/0x20e0

 5421 08:45:32.629343  <4>[   49.795392] softirqs last  enabled at (0): [<ffffffff918fd6dc>] copy_process+0x65c/0x20e0

 5422 08:45:32.635696  <4>[   49.803817] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5423 08:45:32.642493  <4>[   49.810335] CPU: 1 PID: 1958 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 5424 08:45:32.649249  <4>[   49.818327] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 5425 08:45:32.652529  <4>[   49.824497] Call Trace:

 5426 08:45:32.655337  <4>[   49.827205]  dump_stack+0x77/0x9b

 5427 08:45:32.658874  <4>[   49.830779]  ___might_sleep.cold+0xa6/0xb6

 5428 08:45:32.662538  <4>[   49.835132]  exit_signals+0x1c/0x300

 5429 08:45:32.666110  <4>[   49.838963]  do_exit+0xc2/0xab0

 5430 08:45:32.672170  <4>[   49.842362]  ? ksys_write+0x68/0xf0

 5431 08:45:32.675751  <4>[   49.846106]  ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32

 5432 08:45:32.678623  <4>[   49.851236]  make_task_dead+0x2f/0x30

 5433 08:45:32.685553  <4>[   49.855155]  rewind_stack_and_make_dead+0x17/0x20

 5434 08:45:32.688935  <4>[   49.860112] RIP: 0033:0x7fc717053473

 5435 08:45:32.708960  <4>[   49.863942] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5436 08:45:32.715282  <4>[   49.882936] RSP: 002b:00007ffdb95b2b58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5437 08:45:32.722098  <4>[   49.890754] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007fc717053473

 5438 08:45:32.731940  <4>[   49.898135] RDX: 000000000000000b RSI: 00007fc716f47000 RDI: 0000000000000001

 5439 08:45:32.738751  <4>[   49.905519] RBP: 00007fc716f47000 R08: 00007fc716f46010 R09: 0000000000000000

 5440 08:45:32.745434  <4>[   49.912901] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5441 08:45:32.751638  <4>[   49.920284] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5442 08:45:32.925013  <6>[   50.094915] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW

 5443 08:45:32.928629  # Killed

 5444 08:45:32.931161  # [   48.588786] lkdtm: Performing direct entry WRITE_KERN

 5445 08:45:32.938075  # [   48.600325] lkdtm: attempting bad 7106710 byte write at ffffffff92a43686

 5446 08:45:32.944689  # [   48.629470] BUG: unable to handle page fault for address: ffffffff92a43686

 5447 08:45:32.954834  # [   48.658745] #PF: supe<6>[   50.101188] lkdtm: attempting good refcount_inc() without overflow

 5448 08:45:32.957607  rvisor write access in kernel mode

 5449 08:45:32.964272  # [   48.686404] #PF: error_code(0x0003) - permissions violation

 5450 08:45:32.970887  # [   48.714412] PGD 48029067 P4D 48029067 PUD 4802a063 PMD 46c001e1 

 5451 08:45:32.974098  # [   48.742874] Oops: 0003 [#15] SMP NOPTI

 5452 08:45:32.981191  # [   48.769063] CPU: 1 PID: 1958 Comm<6>[   50.129822] lkdtm: attempting bad refcount_inc() overflow

 5453 08:45:32.987472  : cat Tainted: G      D W         5.10.209-cip44 #1

 5454 08:45:32.994382  # [   48.799234] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 5455 08:45:32.997763  # [   48.805409] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e

 5456 08:45:33.010835  # [   48.832458] Code: 53 48 c7 c3 86 36 a4 92 49 89 dc 48 89 da 49 81 ec f0 c<4>[   50.157672] ------------[ cut here ]------------

 5457 08:45:33.020620  5 37 92 4c 89 e6 e8 f9 d8 fb ff 48 89 df 4c 89 e1 48 c7 c6 f0 c5 37 92 <f3> a4 48 c7 c7 58 b1 c1 93 e8 de d8 fb ff 5b 41 5c e9 b7 fe ff ff

 5458 08:45:33.027129  # [   48.873639] RSP: 0018:ffffa2db0401fe50 EFLAGS: 00010246

 5459 08:45:33.037177  # [   48.901304] RAX: 000000000000003c RBX: ffffffff92<4>[   50.184727] refcount_t: saturated; leaking memory.

 5460 08:45:33.040162  a43686 RCX: 00000000006c7096

 5461 08:45:33.046903  # [   48.930866] RDX: 0000000000000000 RSI: ffffffff9237c5f0 RDI: ffffffff92a43686

 5462 08:45:33.053746  # [   48.960438] RBP: ffffffff93c1a362 R08: 0000000000000000 R09: 0000000000000000

 5463 08:45:33.066981  # [   48.990006] R10: 00000000ffffe000 R11: 3fffffffffffff<4>[   50.211987] WARNING: CPU: 1 PID: 1994 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110

 5464 08:45:33.069863  ff R12: 00000000006c7096

 5465 08:45:33.076430  # [   49.019578] R13: ffffa2db0401ff10 R14: ffffa2db0401ff10 R15: ffff947f066ea000

 5466 08:45:33.086624  # [   49.049150] FS:  00007fc717147580(0000) GS:ffff947f2ad00000(0000) knlGS:0000000000000000

 5467 08:45:33.129630  # [   49.079672] CS:  0010 DS: 0000 ES: 0000 CR0: 0<4>[   50.242843] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common cros_ec_dev snd_soc_acp_da7219mx98357_mach designware_i2s cros_usbpd_notify snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 5468 08:45:33.132474  000000080050033

 5469 08:45:33.139403  # [   49.107857] CR2: ffffffff92a43686 CR3: 0000000103ad2000 CR4: 00000000001506e0

 5470 08:45:33.142602  # [   49.137428] Call Trace:

 5471 08:45:33.145922  # [   49.140141]  ? __die_body.cold+0x1a/0x1f

 5472 08:45:33.149122  # [   49.166497]  ? no_context+0x177/0x380

 5473 08:45:33.159126  # [   49.192601]  ? lkdtm_SLAB_FRE<4>[   50.305006] CPU: 1 PID: 1994 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 5474 08:45:33.162874  E_CROSS.cold+0x32/0x32

 5475 08:45:33.165739  # [   49.219916]  ? exc_page_fault+0xd7/0x170

 5476 08:45:33.168782  # [   49.246276]  ? asm_exc_page_fault+0x1e/0x30

 5477 08:45:33.175801  # [   49.272899]  ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32

 5478 08:45:33.178745  # [   49.300218]  ? lkdtm_SLAB_FREE_PAGE+0x40/0x40

 5479 08:45:33.189216  # [   49.327009]  ? lkdtm<4>[   50.335097] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 5480 08:45:33.192230  _SLAB_FREE_CROSS.cold+0x32/0x32

 5481 08:45:33.195545  # [   49.354328]  ? lkdtm_WRITE_KERN+0x38/0x4e

 5482 08:45:33.198917  # [   49.380781]  direct_entry.cold+0x2c/0x38

 5483 08:45:33.201864  # [   49.407145]  full_proxy_write+0x56/0x80

 5484 08:45:33.205280  # [   49.433419]  vfs_write+0xea/0x3b0

 5485 08:45:33.208413  # [   49.459173]  ksys_write+0x68/0xf0

 5486 08:45:33.215343  # <4>[   50.363505] RIP: 0010:refcount_warn_saturate+0x51/0x110

 5487 08:45:33.218507  [   49.484930]  do_syscall_64+0x33/0x40

 5488 08:45:33.224952  # [   49.510944]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5489 08:45:33.228290  # [   49.538434] RIP: 0033:0x7fc717053473

 5490 08:45:33.258125  # [   49.556648] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00<4>[   50.391128] Code: 84 bc 00 00 00 e9 bf c1 04 01 85 f6 74 46 80 3d f9 ea 36 02 00 75 ee 48 c7 c7 f8 4d b7 93 c6 05 e9 ea 36 02 01 e8 89 2d c4 00 <0f> 0b e9 98 c1 04 01 80 3d d5 ea 36 02 00 75 cb 48 c7 c7 20 4e b7

 5491 08:45:33.264815   00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5492 08:45:33.274596  # [   49.575645] RSP: 002b:00007ffdb95b2b58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5493 08:45:33.284398  # [   49.583463] RAX: ffffffffffffffda RBX: 000000000000000b <4>[   50.432290] RSP: 0018:ffffa2db04097e48 EFLAGS: 00010286

 5494 08:45:33.287695  RCX: 00007fc717053473

 5495 08:45:33.294404  # [   49.590846] RDX: 000000000000000b RSI: 00007fc716f47000 RDI: 0000000000000001

 5496 08:45:33.301358  # [   49.598228] RBP: 00007fc716f47000 R08: 00007fc716f46010 R09: 0000000000000000

 5497 08:45:33.314324  # [   49.605610] R10: fffffffffffffbc5 R11: 0000000000000246 R12:<4>[   50.459962] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000

 5498 08:45:33.314856   0000000000000001

 5499 08:45:33.324509  # [   49.613004] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5500 08:45:33.344485  # [   49.620389] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger gs<4>[   50.489576] RDX: ffff947f2ad2c620 RSI: ffff947f2ad1bf50 RDI: ffff947f2ad1bf50

 5501 08:45:33.374020  mi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common cros_ec_dev snd_soc_acp_da7219mx98357_mach designware_i2s cros_usbpd_notify snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma chromeos_pstore coreboot_table snd_so<4>[   50.519116] RBP: ffffffff93c1a36d R08: 0000000000000000 R09: 0000000000000000

 5502 08:45:33.377538  c_core snd_compress snd_pcm_dmaengine regmap_i2c

 5503 08:45:33.380770  # [   49.660306] CR2: ffffffff92a43686

 5504 08:45:33.387330  # [   49.663878] ---[ end trace 2f8aaab59271fedd ]---

 5505 08:45:33.390576  # [   49.668748] RIP: 0010:lkdtm_BUG+0x5/0x10

 5506 08:45:33.403247  # [   49.672926] Code: 89 ff e8 5e d2 79 ff 48 c7 c0 ea ff ff ff<4>[   50.548706] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016

 5507 08:45:33.417221   eb de 48 c7 c0 ea ff ff ff e9 e9 88 a8 00 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 d0 9a 2a 03

 5508 08:45:33.419861  # [   49.691924] RSP: 0018:ffffa2db00c4fe60 EFLAGS: 00010282

 5509 08:45:33.433273  # [   49.697402] RAX: ffffffff9237c220 <4>[   50.578262] R13: ffffa2db04097f10 R14: ffffa2db04097f10 R15: ffff947f029fc000

 5510 08:45:33.443229  RBX: 0000000000000001 RCX: 0000000000000000<4>[   50.607789] FS:  00007fd53f4df580(0000) GS:ffff947f2ad00000(0000) knlGS:0000000000000000

 5511 08:45:33.443773  

 5512 08:45:33.450062  # [   49<4>[   50.619802] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5513 08:45:33.456315  .704784] RDX: 0000000000000000 RSI: ffff947f2ad1bf50 RDI: ffffffff93794030

 5514 08:45:33.466385  # [   49.712166] RBP: ffffffff93c7e9e8 R08: 0000000000000001 R09: 0000000000000001

 5515 08:45:33.473088  # [   49.719549] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004

 5516 08:45:33.479734  # [   49.726<4>[   50.626666] CR2: 00007fd53f2df000 CR3: 0000000105f50000 CR4: 00000000001506e0

 5517 08:45:33.485909  929] R13: ffffa2db00c4ff10 R14: ffffa2db00c4ff10 R15: ffff947f03a8f000

 5518 08:45:33.495874  # [   49.734312] FS:  00007fc717147580(0000) GS:ffff947f2ad00000(0000) knlGS:0000000000000000

 5519 08:45:33.502626  # [   49.742650] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5520 08:45:33.506094  # [   49.748647] CR2:<4>[   50.656228] Call Trace:

 5521 08:45:33.512340   ffffffff92a43686 CR3: 0000000103ad2000 CR4: 00000000001506e0

 5522 08:45:33.519290  # [   49.756031] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49

 5523 08:45:33.529102  # [   49.765147] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1958, name: cat

 5524 08:45:33.532340  <4>[   50.681149]  ? __warn+0x80/0x110

 5525 08:45:33.535684  # [   49.772962] INFO: lockdep is turned off.

 5526 08:45:33.538793  # [   49.777137] irq event stamp: 0

 5527 08:45:33.545567  # [   49.780448] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5528 08:45:33.552208  # [   49.786967] hardirqs last disabled at (0): [<ffffffff918fd6dc>] copy_process+0x65c/0x20e0

 5529 08:45:33.559283  # <4>[   50.706828]  ? refcount_warn_saturate+0x51/0x110

 5530 08:45:33.565415  [   49.795392] softirqs last  enabled at (0): [<ffffffff918fd6dc>] copy_process+0x65c/0x20e0

 5531 08:45:33.572006  # [   49.803817] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5532 08:45:33.575421  <4>[   50.733881]  ? report_bug+0x9e/0xc0

 5533 08:45:33.588847  # [   49.810335] CPU: 1 PID: 1958 Comm: cat Tainted: G      D W         5.10.209-cip44 #1<4>[   50.752186]  ? handle_bug+0x41/0x90

 5534 08:45:33.589312  

 5535 08:45:33.595272  # [   49.818327] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 5536 08:45:33.598719  # [   49.824497] Call Trace:

 5537 08:45:33.602094  # [   49.827205]  dump_stack+0x77/0x9b

 5538 08:45:33.605176  # [   49.830779]  ___might_sleep.cold+0xa6/0xb6

 5539 08:45:33.608531  # [   49.835132]  exit_signals+0x1c/0x300

 5540 08:45:33.615206  # [   49.838963]  do_e<4>[   50.763639]  ? exc_invalid_op+0x14/0x70

 5541 08:45:33.615671  xit+0xc2/0xab0

 5542 08:45:33.618400  # [   49.842362]  ? ksys_write+0x68/0xf0

 5543 08:45:33.625554  # [   49.846106]  ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32

 5544 08:45:33.631759  # [   49.851236]  make_task_dead+0x2f/0x30<4>[   50.789915]  ? asm_exc_invalid_op+0x12/0x20

 5545 08:45:33.632224  

 5546 08:45:33.638460  <4>[   50.808065]  ? refcount_warn_saturate+0x51/0x110

 5547 08:45:33.641466  # [   49.855155]  rewind_stack_and_make_dead+0x17/0x20

 5548 08:45:33.644983  # [   49.860112] RIP: 0033:0x7fc717053473

 5549 08:45:33.665005  # [   49.863942] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d <4>[   50.813115]  ? refcount_warn_saturate+0x51/0x110

 5550 08:45:33.671669  00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5551 08:45:33.677818  # [   49.882936] RSP: 002b:00007ffdb95b2b58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5552 08:45:33.684793  # [   49.890754] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007fc717053473

 5553 08:45:33.691123  # [   49.898135] RDX: <4>[   50.840200]  lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98

 5554 08:45:33.698071  000000000000000b RSI: 00007fc716f47000 RDI: 0000000000000001

 5555 08:45:33.704366  # [   49.905519] RBP: 00007fc716f47000 R08: 00007fc716f46010 R09: 0000000000000000

 5556 08:45:33.711293  # [   49.912901] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5557 08:45:33.717920  # [   49.920284] R13: 0000<4>[   50.867442]  direct_entry.cold+0x2c/0x38

 5558 08:45:33.724217  000000000001 R14: 0000000000020000 R15: 0000000000020000

 5559 08:45:33.727501  # WRITE_KERN: saw 'call trace:': ok

 5560 08:45:33.731145  ok 41 selftests: lkdtm: WRITE_KERN.sh

 5561 08:45:33.734222  # selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh

 5562 08:45:33.737257  <4>[   50.893758]  full_proxy_write+0x56/0x80

 5563 08:45:33.740811  <4>[   50.913479]  vfs_write+0xea/0x3b0

 5564 08:45:33.744203  <4>[   50.917113]  ksys_write+0x68/0xf0

 5565 08:45:33.750823  <4>[   50.920749]  do_syscall_64+0x33/0x40

 5566 08:45:33.754159  <4>[   50.924676]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5567 08:45:33.757430  <4>[   50.930053] RIP: 0033:0x7fd53f3eb473

 5568 08:45:33.777078  <4>[   50.933965] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5569 08:45:33.784282  <4>[   50.953051] RSP: 002b:00007ffd5b007528 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5570 08:45:33.793776  <4>[   50.960952] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fd53f3eb473

 5571 08:45:33.800557  <4>[   50.968423] RDX: 0000000000000016 RSI: 00007fd53f2df000 RDI: 0000000000000001

 5572 08:45:33.807321  <4>[   50.975892] RBP: 00007fd53f2df000 R08: 00007fd53f2de010 R09: 0000000000000000

 5573 08:45:33.813687  <4>[   50.983360] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5574 08:45:33.823766  <4>[   50.990839] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5575 08:45:33.827033  <4>[   50.998347] irq event stamp: 0

 5576 08:45:33.833858  <4>[   51.001740] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5577 08:45:33.840559  <4>[   51.008355] hardirqs last disabled at (0): [<ffffffff918fd6dc>] copy_process+0x65c/0x20e0

 5578 08:45:33.850191  <4>[   51.016907] softirqs last  enabled at (0): [<ffffffff918fd6dc>] copy_process+0x65c/0x20e0

 5579 08:45:33.857296  <4>[   51.025424] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5580 08:45:33.860152  <4>[   51.032022] ---[ end trace 2f8aaab59271fede ]---

 5581 08:45:33.866827  <6>[   51.036953] lkdtm: Overflow detected: saturated

 5582 08:45:33.924457  # [   50.094915] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW

 5583 08:45:33.930565  # [   50.101188] lkdtm: attempting good refcount_inc() without overflow

 5584 08:45:33.937536  # [   50.129822] lkdtm: attempting bad refcount_inc() overflow

 5585 08:45:33.940400  # [   50.157672] ------------[ cut here ]------------

 5586 08:45:33.947312  # [   50.184727] refcount_t: saturated; leaking memory.

 5587 08:45:33.953756  # [   50.211987] WARNING: CPU: 1 PID: 1994 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110

 5588 08:45:33.996810  # [   50.242843] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common cros_ec_dev snd_soc_acp_da7219mx98357_mach designware_i2s cros_usbpd_notify snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 5589 08:45:34.003745  # [   50.305006] CPU: 1 PID: 1994 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 5590 08:45:34.009696  # [   50.335097] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 5591 08:45:34.013393  # [   50.363505] RIP: 0010:refcount_warn_saturate+0x51/0x110

 5592 08:45:34.033505  # [   50.391128] Code: 84 bc 00 00 00 e9 bf c1 04 01 85 f6 74 46 80 3d f9 ea 36 02 00 75 ee 48 c7 c7 f8 4d b7 93 c6 05 e9 ea 36 02 01 e8 89 2d c4 00 <0f> 0b e9 98 c1 04 01 80 3d d5 ea 36 02 00 75 cb 48 c7 c7 20 4e b7

 5593 08:45:34.039718  # [   50.432290] RSP: 0018:ffffa2db04097e48 EFLAGS: 00010286

 5594 08:45:34.046545  # [   50.459962] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000

 5595 08:45:34.053147  # [   50.489576] RDX: ffff947f2ad2c620 RSI: ffff947f2ad1bf50 RDI: ffff947f2ad1bf50

 5596 08:45:34.066345  # [   50.519116] RBP: ffffffff93c1a36d R08: 00000000000000<6>[   51.222464] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW

 5597 08:45:34.066866  00 R09: 0000000000000000

 5598 08:45:34.072922  # [   50.548706] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016

 5599 08:45:34.083024  # [   50.578262] R13: ffffa2db04097f10 R14: ffffa2db04097f10 R15: ffff947f029fc000

 5600 08:45:34.092761  # [   50.607789] FS:  00007fd53f4df580(0000) GS:ffff947f2ad000<6>[   51.239985] lkdtm: attempting good refcount_add() without overflow

 5601 08:45:34.095896  00(0000) knlGS:0000000000000000

 5602 08:45:34.102857  # [   50.619802] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5603 08:45:34.109689  # [   50.626666] CR2: 00007fd53f2df000 CR3: 0000000105f50000 CR4: 00000000001506e0

 5604 08:45:34.112947  # [   50.656228] Call Trace:

 5605 08:45:34.115995  # [   50.681149]  ? __warn+0x80/0x110

 5606 08:45:34.122875  # <6>[   51.268626] lkdtm: attempting bad refcount_add() overflow

 5607 08:45:34.126389  [   50.706828]  ? refcount_warn_saturate+0x51/0x110

 5608 08:45:34.129447  # [   50.733881]  ? report_bug+0x9e/0xc0

 5609 08:45:34.132545  # [   50.752186]  ? handle_bug+0x41/0x90

 5610 08:45:34.135928  # [   50.763639]  ? exc_invalid_op+0x14/0x70

 5611 08:45:34.142488  # [   50.789915]  ? asm_exc_invalid_op+0x12/0x20

 5612 08:45:34.148887  # [   50.808065]  ? ref<4>[   51.296448] ------------[ cut here ]------------

 5613 08:45:34.152674  count_warn_saturate+0x51/0x110

 5614 08:45:34.155817  # [   50.813115]  ? refcount_warn_saturate+0x51/0x110

 5615 08:45:34.162660  # [   50.840200]  lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98

 5616 08:45:34.165908  # [   50.867442]  direct_entry.cold+0x2c/0x38

 5617 08:45:34.168760  # [   50.893758]  full_proxy_write+0x56/0x80

 5618 08:45:34.175755  # [   50.913479]  v<4>[   51.323501] refcount_t: saturated; leaking memory.

 5619 08:45:34.178666  fs_write+0xea/0x3b0

 5620 08:45:34.182091  # [   50.917113]  ksys_write+0x68/0xf0

 5621 08:45:34.185644  # [   50.920749]  do_syscall_64+0x33/0x40

 5622 08:45:34.189014  # [   50.924676]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5623 08:45:34.191905  # [   50.930053] RIP: 0033:0x7fd53f3eb473

 5624 08:45:34.205245  # [   50.933965] Code: 8b 15 21 2a 0e 00 f7 d8 64<4>[   51.350812] WARNING: CPU: 1 PID: 2027 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110

 5625 08:45:34.221741   89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5626 08:45:34.268306  # [   50.953051] RSP: 002b:00007ffd5b007528 EFLAGS: 00000246 ORIG_RAX: 0000000000000001<4>[   51.381715] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common cros_ec_dev snd_soc_acp_da7219mx98357_mach designware_i2s cros_usbpd_notify snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 5627 08:45:34.268881  

 5628 08:45:34.274538  # [   50.960952] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fd53f3eb473

 5629 08:45:34.284634  # [   50.968423] RDX: 0000000000000016 RSI: 00007fd53f2df000 RDI: 0000000000000001

 5630 08:45:34.291234  # [   50.975892] RBP: 00007fd53f2df000 R08: 00007fd53f2de010 R09: 0000000000000000

 5631 08:45:34.297932  # <4>[   51.443704] CPU: 1 PID: 2027 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 5632 08:45:34.304325  [   50.983360] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5633 08:45:34.314297  # [   50.990839] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5634 08:45:34.317844  # [   50.998347] irq event stamp: 0

 5635 08:45:34.327521  # [   51.001740] hardirqs last  enabled at (0): [<000<4>[   51.473934] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 5636 08:45:34.328057  0000000000000>] 0x0

 5637 08:45:34.337298  # [   51.008355] hardirqs last disabled at (0): [<ffffffff918fd6dc>] copy_process+0x65c/0x20e0

 5638 08:45:34.344245  # [   51.016907] softirqs last  enabled at (0): [<ffffffff918fd6dc>] copy_process+0x65c/0x20e0

 5639 08:45:34.353990  # [   51.025424] softirqs last disabled at <4>[   51.502258] RIP: 0010:refcount_warn_saturate+0x51/0x110

 5640 08:45:34.357204  (0): [<0000000000000000>] 0x0

 5641 08:45:34.360463  # [   51.032022] ---[ end trace 2f8aaab59271fede ]---

 5642 08:45:34.367413  # [   51.036953] lkdtm: Overflow detected: saturated

 5643 08:45:34.370480  # REFCOUNT_INC_OVERFLOW: saw 'call trace:': ok

 5644 08:45:34.373897  ok 42 selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh

 5645 08:45:34.396743  # selftests: lkdtm<4>[   51.529901] Code: 84 bc 00 00 00 e9 bf c1 04 01 85 f6 74 46 80 3d f9 ea 36 02 00 75 ee 48 c7 c7 f8 4d b7 93 c6 05 e9 ea 36 02 01 e8 89 2d c4 00 <0f> 0b e9 98 c1 04 01 80 3d d5 ea 36 02 00 75 cb 48 c7 c7 20 4e b7

 5646 08:45:34.397227  : REFCOUNT_ADD_OVERFLOW.sh

 5647 08:45:34.403353  <4>[   51.571070] RSP: 0018:ffffa2db04107e48 EFLAGS: 00010286

 5648 08:45:34.410191  <4>[   51.578971] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000

 5649 08:45:34.419589  <4>[   51.586397] RDX: ffff947f2ad2c620 RSI: ffff947f2ad1bf50 RDI: ffff947f2ad1bf50

 5650 08:45:34.426349  <4>[   51.593836] RBP: ffffffff93c1a383 R08: 0000000000000000 R09: 0000000000000000

 5651 08:45:34.433158  <4>[   51.601277] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016

 5652 08:45:34.439838  <4>[   51.608734] R13: ffffa2db04107f10 R14: ffffa2db04107f10 R15: ffff947f03d3e000

 5653 08:45:34.449315  <4>[   51.616169] FS:  00007f4ae0e5f580(0000) GS:ffff947f2ad00000(0000) knlGS:0000000000000000

 5654 08:45:34.455987  <4>[   51.624564] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5655 08:45:34.462340  <4>[   51.630623] CR2: 00007f4ae0c2f000 CR3: 0000000106644000 CR4: 00000000001506e0

 5656 08:45:34.466397  <4>[   51.638070] Call Trace:

 5657 08:45:34.468937  <4>[   51.640859]  ? __warn+0x80/0x110

 5658 08:45:34.472222  <4>[   51.644447]  ? refcount_warn_saturate+0x51/0x110

 5659 08:45:34.479000  <4>[   51.649436]  ? report_bug+0x9e/0xc0

 5660 08:45:34.482901  <4>[   51.653285]  ? handle_bug+0x41/0x90

 5661 08:45:34.485636  <4>[   51.657158]  ? exc_invalid_op+0x14/0x70

 5662 08:45:34.488970  <4>[   51.661368]  ? asm_exc_invalid_op+0x12/0x20

 5663 08:45:34.495607  <4>[   51.665879]  ? refcount_warn_saturate+0x51/0x110

 5664 08:45:34.498765  <4>[   51.670825]  ? refcount_warn_saturate+0x51/0x110

 5665 08:45:34.505846  <4>[   51.675751]  lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7

 5666 08:45:34.509272  <4>[   51.680930]  direct_entry.cold+0x2c/0x38

 5667 08:45:34.512187  <4>[   51.685193]  full_proxy_write+0x56/0x80

 5668 08:45:34.518810  <4>[   51.689360]  vfs_write+0xea/0x3b0

 5669 08:45:34.522442  <4>[   51.692997]  ksys_write+0x68/0xf0

 5670 08:45:34.525617  <4>[   51.696642]  do_syscall_64+0x33/0x40

 5671 08:45:34.529360  <4>[   51.700573]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5672 08:45:34.535398  <4>[   51.705958] RIP: 0033:0x7f4ae0d3b473

 5673 08:45:34.552157  <4>[   51.709872] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5674 08:45:34.562111  <4>[   51.728885] RSP: 002b:00007ffeaad93388 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5675 08:45:34.568661  <4>[   51.736733] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f4ae0d3b473

 5676 08:45:34.575178  <4>[   51.744128] RDX: 0000000000000016 RSI: 00007f4ae0c2f000 RDI: 0000000000000001

 5677 08:45:34.584894  <4>[   51.751520] RBP: 00007f4ae0c2f000 R08: 00007f4ae0c2e010 R09: 0000000000000000

 5678 08:45:34.592393  <4>[   51.758912] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5679 08:45:34.598917  <4>[   51.766319] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5680 08:45:34.601806  <4>[   51.773718] irq event stamp: 0

 5681 08:45:34.608197  <4>[   51.777036] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5682 08:45:34.614947  <4>[   51.783565] hardirqs last disabled at (0): [<ffffffff918fd6dc>] copy_process+0x65c/0x20e0

 5683 08:45:34.625099  <4>[   51.791998] softirqs last  enabled at (0): [<ffffffff918fd6dc>] copy_process+0x65c/0x20e0

 5684 08:45:34.631496  <4>[   51.800453] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5685 08:45:34.634751  <4>[   51.806985] ---[ end trace 2f8aaab59271fedf ]---

 5686 08:45:34.641563  <6>[   51.811874] lkdtm: Overflow detected: saturated

 5687 08:45:34.674541  # [   51.222464] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW

 5688 08:45:34.680780  # [   51.239985] lkdtm: attempting good refcount_add() without overflow

 5689 08:45:34.687450  # [   51.268626] lkdtm: attempting bad refcount_add() overflow

 5690 08:45:34.690477  # [   51.296448] ------------[ cut here ]------------

 5691 08:45:34.697061  # [   51.323501] refcount_t: saturated; leaking memory.

 5692 08:45:34.704125  # [   51.350812] WARNING: CPU: 1 PID: 2027 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110

 5693 08:45:34.746870  # [   51.381715] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common cros_ec_dev snd_soc_acp_da7219mx98357_mach designware_i2s cros_usbpd_notify snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 5694 08:45:34.753182  # [   51.443704] CPU: 1 PID: 2027 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 5695 08:45:34.760235  # [   51.473934] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 5696 08:45:34.763109  # [   51.502258] RIP: 0010:refcount_warn_saturate+0x51/0x110

 5697 08:45:34.783129  # [   51.529901] Code: 84 bc 00 00 00 e9 bf c1 04 01 85 f6 74 46 80 3d f9 ea 36 02 00 75 ee 48 c7 c7 f8 4d b7 93 c6 05 e9 ea 36 02 01 e8 89 2d c4 00 <0f> 0b e9 98 c1 04 01 80 3d d5 ea 36 02 00 75 cb 48 c7 c7 20 4e b7

 5698 08:45:34.789837  # [   51.571070] RSP: 0018:ffffa2db04107e48 EFLAGS: 00010286

 5699 08:45:34.796464  # [   51.578971] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000

 5700 08:45:34.803088  # [   51.586397] RDX: ffff947f2ad2c620 RSI: ffff947f2ad1bf50 RDI: ffff947f2ad1bf50

 5701 08:45:34.809645  # [   51.593836] RBP: ffffffff93c1a383 R08: 0000000000000000 R09: 0000000000000000

 5702 08:45:34.816399  # [   51.601277] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016

 5703 08:45:34.827060  # [   51.608734] R13: ffffa2db04107f10 R14: ffffa2db04107f10 R15: ffff947f03d3e000

 5704 08:45:34.836096  # [   51.616169] FS:  00007f4ae0e5f580(<6>[   51.982299] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW

 5705 08:45:34.839732  0000) GS:ffff947f2ad00000(0000) knlGS:0000000000000000

 5706 08:45:34.846092  # [   51.624564] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5707 08:45:34.852468  # [   51.630623] CR2: 00007f4ae0c2f000 CR3: 0000000106644000 CR4: 00000000001506e0

 5708 08:45:34.856084  # [   51.638070] Call Trace:

 5709 08:45:34.863358  # [   51.640859]  <6>[   52.010990] lkdtm: attempting bad refcount_inc_not_zero() overflow

 5710 08:45:34.865776  ? __warn+0x80/0x110

 5711 08:45:34.869230  # [   51.644447]  ? refcount_warn_saturate+0x51/0x110

 5712 08:45:34.875625  # [   51.649436]  ? report_bug+0x9e/0xc0

 5713 08:45:34.879004  # [   51.653285]  ? handle_bug+0x41/0x90

 5714 08:45:34.882293  # [   51.657158]  ? exc_invalid_op+0x14/0x70

 5715 08:45:34.885606  # [   51.661368]  ? asm_exc_invalid_op+0x12/0x20

 5716 08:45:34.892539  <4>[   52.039631] ------------[ cut here ]------------

 5717 08:45:34.895495  # [   51.665879]  ? refcount_warn_saturate+0x51/0x110

 5718 08:45:34.902154  # [   51.670825]  ? refcount_warn_saturate+0x51/0x110

 5719 08:45:34.905563  # [   51.675751]  lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7

 5720 08:45:34.908798  # [   51.680930]  direct_entry.cold+0x2c/0x38

 5721 08:45:34.919182  # [   51.685193]  full_proxy_write+0x56/0x<4>[   52.066702] refcount_t: saturated; leaking memory.

 5722 08:45:34.919612  80

 5723 08:45:34.921966  # [   51.689360]  vfs_write+0xea/0x3b0

 5724 08:45:34.925231  # [   51.692997]  ksys_write+0x68/0xf0

 5725 08:45:34.928908  # [   51.696642]  do_syscall_64+0x33/0x40

 5726 08:45:34.935442  # [   51.700573]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5727 08:45:34.938472  # [   51.705958] RIP: 0033:0x7f4ae0d3b473

 5728 08:45:34.948556  # [   51.709872] Code: 8b <4>[   52.093973] WARNING: CPU: 1 PID: 2060 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110

 5729 08:45:34.965472  15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5730 08:45:35.011504  # [   51.728885] RSP: 002b:00007ffeaad93388 EFLAGS: 00000246 ORI<4>[   52.124897] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common cros_ec_dev snd_soc_acp_da7219mx98357_mach designware_i2s cros_usbpd_notify snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 5731 08:45:35.014557  G_RAX: 0000000000000001

 5732 08:45:35.021453  # [   51.736733] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f4ae0d3b473

 5733 08:45:35.027903  # [   51.744128] RDX: 0000000000000016 RSI: 00007f4ae0c2f000 RDI: 0000000000000001

 5734 08:45:35.041533  # [   51.751520] RBP: 00007f4ae0c2f000 R08: 00007f4ae0c2e010 R0<4>[   52.186929] CPU: 1 PID: 2060 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 5735 08:45:35.044294  9: 0000000000000000

 5736 08:45:35.051229  # [   51.758912] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5737 08:45:35.057745  # [   51.766319] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5738 08:45:35.061002  # [   51.773718] irq event stamp: 0

 5739 08:45:35.071122  # [   51.777036] hardirqs last<4>[   52.217084] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 5740 08:45:35.074324    enabled at (0): [<0000000000000000>] 0x0

 5741 08:45:35.081159  # [   51.783565] hardirqs last disabled at (0): [<ffffffff918fd6dc>] copy_process+0x65c/0x20e0

 5742 08:45:35.090995  # [   51.791998] softirqs last  enabled at (0): [<ffffffff918fd6dc>] copy_process+0x65c/0x20e0

 5743 08:45:35.097775  # [   51.800453] sof<4>[   52.245429] RIP: 0010:refcount_warn_saturate+0x97/0x110

 5744 08:45:35.103870  tirqs last disabled at (0): [<0000000000000000>] 0x0

 5745 08:45:35.107435  # [   51.806985] ---[ end trace 2f8aaab59271fedf ]---

 5746 08:45:35.110700  # [   51.811874] lkdtm: Overflow detected: saturated

 5747 08:45:35.117565  # REFCOUNT_ADD_OVERFLOW: saw 'call trace:': ok

 5748 08:45:35.140431  ok 43 selftests: lkdtm: REFCOUNT_ADD_OVERFLOW<4>[   52.273053] Code: 02 01 e8 66 2d c4 00 0f 0b e9 75 c1 04 01 80 3d b4 ea 36 02 00 75 a8 48 c7 c7 f8 4d b7 93 c6 05 a4 ea 36 02 01 e8 43 2d c4 00 <0f> 0b e9 52 c1 04 01 80 3d 8e ea 36 02 00 75 85 48 c7 c7 50 4e b7

 5749 08:45:35.140975  .sh

 5750 08:45:35.143769  # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh

 5751 08:45:35.150105  <4>[   52.314229] RSP: 0018:ffffa2db04187e38 EFLAGS: 00010282

 5752 08:45:35.157140  <4>[   52.324917] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000

 5753 08:45:35.163471  <4>[   52.332329] RDX: ffff947f2ad2c620 RSI: ffff947f2ad1bf50 RDI: ffff947f2ad1bf50

 5754 08:45:35.170147  <4>[   52.339740] RBP: ffffffff93c19fc0 R08: 0000000000000000 R09: 0000000000000000

 5755 08:45:35.180158  <4>[   52.347153] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f

 5756 08:45:35.186940  <4>[   52.354579] R13: ffffa2db04187f10 R14: ffffa2db04187f10 R15: ffff947f03b95000

 5757 08:45:35.193212  <4>[   52.362000] FS:  00007fa6a9c88580(0000) GS:ffff947f2ad00000(0000) knlGS:0000000000000000

 5758 08:45:35.199848  <4>[   52.370379] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5759 08:45:35.209999  <4>[   52.376400] CR2: 00007fa6a9a57000 CR3: 0000000105cc0000 CR4: 00000000001506e0

 5760 08:45:35.210541  <4>[   52.383865] Call Trace:

 5761 08:45:35.213014  <4>[   52.386626]  ? __warn+0x80/0x110

 5762 08:45:35.219815  <4>[   52.390166]  ? refcount_warn_saturate+0x97/0x110

 5763 08:45:35.223000  <4>[   52.395077]  ? report_bug+0x9e/0xc0

 5764 08:45:35.226481  <4>[   52.398860]  ? handle_bug+0x41/0x90

 5765 08:45:35.229613  <4>[   52.402666]  ? exc_invalid_op+0x14/0x70

 5766 08:45:35.236611  <4>[   52.406798]  ? asm_exc_invalid_op+0x12/0x20

 5767 08:45:35.239940  <4>[   52.411339]  ? refcount_warn_saturate+0x97/0x110

 5768 08:45:35.246461  <4>[   52.416237]  ? refcount_warn_saturate+0x97/0x110

 5769 08:45:35.253061  <4>[   52.421209]  __refcount_add_not_zero.constprop.0+0x2a/0x35

 5770 08:45:35.256206  <4>[   52.427041]  lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76

 5771 08:45:35.263095  <4>[   52.432958]  direct_entry.cold+0x2c/0x38

 5772 08:45:35.265930  <4>[   52.437202]  full_proxy_write+0x56/0x80

 5773 08:45:35.269312  <4>[   52.441378]  vfs_write+0xea/0x3b0

 5774 08:45:35.272753  <4>[   52.445047]  ksys_write+0x68/0xf0

 5775 08:45:35.276139  <4>[   52.448709]  do_syscall_64+0x33/0x40

 5776 08:45:35.282675  <4>[   52.452609]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5777 08:45:35.286311  <4>[   52.457990] RIP: 0033:0x7fa6a9b63473

 5778 08:45:35.306127  <4>[   52.461908] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5779 08:45:35.312828  <4>[   52.481018] RSP: 002b:00007ffc0a7974d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5780 08:45:35.322591  <4>[   52.488924] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fa6a9b63473

 5781 08:45:35.329288  <4>[   52.496371] RDX: 000000000000001f RSI: 00007fa6a9a57000 RDI: 0000000000000001

 5782 08:45:35.335998  <4>[   52.503815] RBP: 00007fa6a9a57000 R08: 00007fa6a9a56010 R09: 0000000000000000

 5783 08:45:35.342463  <4>[   52.511225] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5784 08:45:35.352366  <4>[   52.518628] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5785 08:45:35.355688  <4>[   52.526023] irq event stamp: 0

 5786 08:45:35.359063  <4>[   52.529339] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5787 08:45:35.368931  <4>[   52.535863] hardirqs last disabled at (0): [<ffffffff918fd6dc>] copy_process+0x65c/0x20e0

 5788 08:45:35.378904  <4>[   52.544293] softirqs last  enabled at (0): [<ffffffff918fd6dc>] copy_process+0x65c/0x20e0

 5789 08:45:35.385338  <4>[   52.552748] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5790 08:45:35.389129  <4>[   52.559278] ---[ end trace 2f8aaab59271fee0 ]---

 5791 08:45:35.392373  <6>[   52.564158] lkdtm: Overflow detected: saturated

 5792 08:45:35.432613  # [   51.982299] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW

 5793 08:45:35.438641  # [   52.010990] lkdtm: attempting bad refcount_inc_not_zero() overflow

 5794 08:45:35.441872  # [   52.039631] ------------[ cut here ]------------

 5795 08:45:35.448633  # [   52.066702] refcount_t: saturated; leaking memory.

 5796 08:45:35.455847  # [   52.093973] WARNING: CPU: 1 PID: 2060 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110

 5797 08:45:35.495338  # [   52.124897] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common cros_ec_dev snd_soc_acp_da7219mx98357_mach designware_i2s cros_usbpd_notify snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 5798 08:45:35.504436  # [   52.186929] CPU: 1 PID: 2060 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 5799 08:45:35.508011  # [   52.217084] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 5800 08:45:35.514800  # [   52.245429] RIP: 0010:refcount_warn_saturate+0x97/0x110

 5801 08:45:35.534488  # [   52.273053] Code: 02 01 e8 66 2d c4 00 0f 0b e9 75 c1 04 01 80 3d b4 ea 36 02 00 75 a8 48 c7 c7 f8 4d b7 93 c6 05 a4 ea 36 02 01 e8 43 2d c4 00 <0f> 0b e9 52 c1 04 01 80 3d 8e ea 36 02 00 75 85 48 c7 c7 50 4e b7

 5802 08:45:35.537803  # [   52.314229] RSP: 0018:ffffa2db04187e38 EFLAGS: 00010282

 5803 08:45:35.547794  # [   52.324917] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000

 5804 08:45:35.554527  # [   52.332329] RDX: ffff947f2ad2c620 RSI: ffff947f2ad1bf50 RDI: ffff947f2ad1bf50

 5805 08:45:35.564494  # [   52.339740] RBP: ffffffff93c19fc0 R08<6>[   52.727146] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW

 5806 08:45:35.567823  : 0000000000000000 R09: 0000000000000000

 5807 08:45:35.574480  # [   52.347153] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f

 5808 08:45:35.581126  # [   52.354579] R13: ffffa2db04187f10 R14: ffffa2db04187f10 R15: ffff947f03b95000

 5809 08:45:35.594104  # [   52.362000] FS:  00007fa6a9c88580(0000) G<6>[   52.739625] lkdtm: attempting bad refcount_add_not_zero() overflow

 5810 08:45:35.597457  S:ffff947f2ad00000(0000) knlGS:0000000000000000

 5811 08:45:35.604082  # [   52.370379] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5812 08:45:35.611027  # [   52.376400] CR2: 00007fa6a9a57000 CR3: 0000000105cc0000 CR4: 00000000001506e0

 5813 08:45:35.614139  # [   52.383865] Call Trace:

 5814 08:45:35.620993  # [   52.386626]  ? __war<4>[   52.768259] ------------[ cut here ]------------

 5815 08:45:35.621607  n+0x80/0x110

 5816 08:45:35.627465  # [   52.390166]  ? refcount_warn_saturate+0x97/0x110

 5817 08:45:35.630396  # [   52.395077]  ? report_bug+0x9e/0xc0

 5818 08:45:35.634137  # [   52.398860]  ? handle_bug+0x41/0x90

 5819 08:45:35.637297  # [   52.402666]  ? exc_invalid_op+0x14/0x70

 5820 08:45:35.640743  # [   52.406798]  ? asm_exc_invalid_op+0x12/0x20

 5821 08:45:35.647618  # [   5<4>[   52.795304] refcount_t: saturated; leaking memory.

 5822 08:45:35.650578  2.411339]  ? refcount_warn_saturate+0x97/0x110

 5823 08:45:35.657567  # [   52.416237]  ? refcount_warn_saturate+0x97/0x110

 5824 08:45:35.660788  # [   52.421209]  __refcount_add_not_zero.constprop.0+0x2a/0x35

 5825 08:45:35.667386  # [   52.427041]  lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76

 5826 08:45:35.676968  # [   52.432958]  dire<4>[   52.822563] WARNING: CPU: 1 PID: 2093 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110

 5827 08:45:35.680340  ct_entry.cold+0x2c/0x38

 5828 08:45:35.683213  # [   52.437202]  full_proxy_write+0x56/0x80

 5829 08:45:35.686658  # [   52.441378]  vfs_write+0xea/0x3b0

 5830 08:45:35.690156  # [   52.445047]  ksys_write+0x68/0xf0

 5831 08:45:35.693440  # [   52.448709]  do_syscall_64+0x33/0x40

 5832 08:45:35.700037  # [   52.452609]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5833 08:45:35.740055  # <4>[   52.853419] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common cros_ec_dev snd_soc_acp_da7219mx98357_mach designware_i2s cros_usbpd_notify snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 5834 08:45:35.742614  [   52.457990] RIP: 0033:0x7fa6a9b63473

 5835 08:45:35.769592  # [   52.461908] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 1<4>[   52.915583] CPU: 1 PID: 2093 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 5836 08:45:35.770225  8

 5837 08:45:35.779710  # [   52.481018] RSP: 002b:00007ffc0a7974d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5838 08:45:35.786081  # [   52.488924] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fa6a9b63473

 5839 08:45:35.798917  # [   52.496371] RDX: 000000000000001f RSI: 00007fa6a9a57000 RDI: 00000000000000<4>[   52.945667] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 5840 08:45:35.799343  01

 5841 08:45:35.806117  # [   52.503815] RBP: 00007fa6a9a57000 R08: 00007fa6a9a56010 R09: 0000000000000000

 5842 08:45:35.812694  # [   52.511225] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5843 08:45:35.821910  # [   52.518628] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5844 08:45:35.825443  <4>[   52.974059] RIP: 0010:refcount_warn_saturate+0x97/0x110

 5845 08:45:35.828384  # [   52.526023] irq event stamp: 0

 5846 08:45:35.835060  # [   52.529339] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5847 08:45:35.845427  # [   52.535863] hardirqs last disabled at (0): [<ffffffff918fd6dc>] copy_process+0x65c/0x20e0

 5848 08:45:35.868412  # [   52.544293] softirqs last  enabled at (0): [<4>[   53.001704] Code: 02 01 e8 66 2d c4 00 0f 0b e9 75 c1 04 01 80 3d b4 ea 36 02 00 75 a8 48 c7 c7 f8 4d b7 93 c6 05 a4 ea 36 02 01 e8 43 2d c4 00 <0f> 0b e9 52 c1 04 01 80 3d 8e ea 36 02 00 75 85 48 c7 c7 50 4e b7

 5849 08:45:35.871871  <ffffffff918fd6dc>] copy_process+0x65c/0x20e0

 5850 08:45:35.878130  # [   52.552748] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5851 08:45:35.881862  # [   52.559278] ---[ end trace 2f8aaab59271fee0 ]---

 5852 08:45:35.888268  # [   52.564158] lkdtm: Overflow detected: saturated

 5853 08:45:35.894917  # REFCOUNT_INC_NOT_ZERO_OV<4>[   53.042868] RSP: 0018:ffffa2db041e7e38 EFLAGS: 00010282

 5854 08:45:35.897981  ERFLOW: saw 'call trace:': ok

 5855 08:45:35.901073  ok 44 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh

 5856 08:45:35.907759  # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh

 5857 08:45:35.914682  <4>[   53.070547] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000

 5858 08:45:35.921484  <4>[   53.090490] RDX: ffff947f2ad2c620 RSI: ffff947f2ad1bf50 RDI: ffff947f2ad1bf50

 5859 08:45:35.930938  <4>[   53.097913] RBP: ffffffff93c19fe0 R08: 0000000000000000 R09: 0000000000000000

 5860 08:45:35.937902  <4>[   53.105340] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f

 5861 08:45:35.944419  <4>[   53.112770] R13: ffffa2db041e7f10 R14: ffffa2db041e7f10 R15: ffff947f05c46000

 5862 08:45:35.954459  <4>[   53.120208] FS:  00007f5cd6c41580(0000) GS:ffff947f2ad00000(0000) knlGS:0000000000000000

 5863 08:45:35.961084  <4>[   53.128595] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5864 08:45:35.967656  <4>[   53.134653] CR2: 00007f5cd6a0f000 CR3: 00000001037ae000 CR4: 00000000001506e0

 5865 08:45:35.970762  <4>[   53.142108] Call Trace:

 5866 08:45:35.973774  <4>[   53.144893]  ? __warn+0x80/0x110

 5867 08:45:35.977330  <4>[   53.148486]  ? refcount_warn_saturate+0x97/0x110

 5868 08:45:35.980933  <4>[   53.153496]  ? report_bug+0x9e/0xc0

 5869 08:45:35.987217  <4>[   53.157343]  ? handle_bug+0x41/0x90

 5870 08:45:35.990967  <4>[   53.161178]  ? exc_invalid_op+0x14/0x70

 5871 08:45:35.993870  <4>[   53.165356]  ? asm_exc_invalid_op+0x12/0x20

 5872 08:45:36.000842  <4>[   53.169881]  ? refcount_warn_saturate+0x97/0x110

 5873 08:45:36.004269  <4>[   53.174942]  ? refcount_warn_saturate+0x97/0x110

 5874 08:45:36.010480  <4>[   53.179908]  __refcount_add_not_zero.constprop.0+0x2a/0x35

 5875 08:45:36.016957  <4>[   53.185744]  lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76

 5876 08:45:36.020208  <4>[   53.191662]  direct_entry.cold+0x2c/0x38

 5877 08:45:36.023918  <4>[   53.195945]  full_proxy_write+0x56/0x80

 5878 08:45:36.026921  <4>[   53.200172]  vfs_write+0xea/0x3b0

 5879 08:45:36.033594  <4>[   53.203851]  ksys_write+0x68/0xf0

 5880 08:45:36.036866  <4>[   53.207510]  do_syscall_64+0x33/0x40

 5881 08:45:36.040149  <4>[   53.211420]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5882 08:45:36.047102  <4>[   53.216769] RIP: 0033:0x7f5cd6b1b473

 5883 08:45:36.063301  <4>[   53.220644] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5884 08:45:36.073213  <4>[   53.239658] RSP: 002b:00007ffc646ea9c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5885 08:45:36.080121  <4>[   53.247482] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f5cd6b1b473

 5886 08:45:36.086704  <4>[   53.254892] RDX: 000000000000001f RSI: 00007f5cd6a0f000 RDI: 0000000000000001

 5887 08:45:36.092983  <4>[   53.262288] RBP: 00007f5cd6a0f000 R08: 00007f5cd6a0e010 R09: 0000000000000000

 5888 08:45:36.102909  <4>[   53.269678] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5889 08:45:36.109936  <4>[   53.277068] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5890 08:45:36.112691  <4>[   53.284483] irq event stamp: 0

 5891 08:45:36.119748  <4>[   53.287801] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5892 08:45:36.126491  <4>[   53.294330] hardirqs last disabled at (0): [<ffffffff918fd6dc>] copy_process+0x65c/0x20e0

 5893 08:45:36.135845  <4>[   53.302760] softirqs last  enabled at (0): [<ffffffff918fd6dc>] copy_process+0x65c/0x20e0

 5894 08:45:36.142617  <4>[   53.311191] softirqs last disabled at (0): [<0000000000000000>] 0x0

 5895 08:45:36.146016  <4>[   53.317738] ---[ end trace 2f8aaab59271fee1 ]---

 5896 08:45:36.152383  <6>[   53.322624] lkdtm: Overflow detected: saturated

 5897 08:45:36.191327  # [   52.727146] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW

 5898 08:45:36.197859  # [   52.739625] lkdtm: attempting bad refcount_add_not_zero() overflow

 5899 08:45:36.201479  # [   52.768259] ------------[ cut here ]------------

 5900 08:45:36.204750  # [   52.795304] refcount_t: saturated; leaking memory.

 5901 08:45:36.214435  # [   52.822563] WARNING: CPU: 1 PID: 2093 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110

 5902 08:45:36.254186  # [   52.853419] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common cros_ec_dev snd_soc_acp_da7219mx98357_mach designware_i2s cros_usbpd_notify snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 5903 08:45:36.261035  # [   52.915583] CPU: 1 PID: 2093 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 5904 08:45:36.267994  # [   52.945667] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 5905 08:45:36.273748  # [   52.974059] RIP: 0010:refcount_warn_saturate+0x97/0x110

 5906 08:45:36.293722  # [   53.001704] Code: 02 01 e8 66 2d c4 00 0f 0b e9 75 c1 04 01 80 3d b4 ea 36 02 00 75 a8 48 c7 c7 f8 4d b7 93 c6 05 a4 ea 36 02 01 e8 43 2d c4 00 <0f> 0b e9 52 c1 04 01 80 3d 8e ea 36 02 00 75 85 48 c7 c7 50 4e b7

 5907 08:45:36.297017  # [   53.042868] RSP: 0018:ffffa2db041e7e38 EFLAGS: 00010282

 5908 08:45:36.303766  # [   53.070547] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000

 5909 08:45:36.313419  # [   53.090490] RDX: ffff947f2ad2c620 RSI: ffff947f2ad1bf50 RDI: ffff947f2ad1bf50

 5910 08:45:36.320308  # [   53.097913] RBP: ffffffff93c19fe0 R08: 0000000000000000 R09: 0000000000000000

 5911 08:45:36.330702  # [   53.105340] R10: 00000000ffffe0<6>[   53.497813] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO

 5912 08:45:36.333820  00 R11: 3fffffffffffffff R12: 000000000000001f

 5913 08:45:36.340071  # [   53.112770] R13: ffffa2db041e7f10 R14: ffffa2db041e7f10 R15: ffff947f05c46000

 5914 08:45:36.349843  # [   53.120208] FS:  00007f5cd6c41580(0000) GS:ffff947f2ad00000(0000) knlGS:0000000000000000

 5915 08:45:36.356998  # [   53.128595] CS:  0010 DS<6>[   53.504297] lkdtm: attempting good refcount_dec()

 5916 08:45:36.360336  : 0000 ES: 0000 CR0: 0000000080050033

 5917 08:45:36.366255  # [   53.134653] CR2: 00007f5cd6a0f000 CR3: 00000001037ae000 CR4: 00000000001506e0

 5918 08:45:36.369566  # [   53.142108] Call Trace:

 5919 08:45:36.372992  # [   53.144893]  ? __warn+0x80/0x110

 5920 08:45:36.376155  # [   53.148486]  ? refcount_warn_saturate+0x97/0x110

 5921 08:45:36.383406  # [   53.<6>[   53.531459] lkdtm: attempting bad refcount_dec() to zero

 5922 08:45:36.386106  153496]  ? report_bug+0x9e/0xc0

 5923 08:45:36.389534  # [   53.157343]  ? handle_bug+0x41/0x90

 5924 08:45:36.392829  # [   53.161178]  ? exc_invalid_op+0x14/0x70

 5925 08:45:36.399313  # [   53.165356]  ? asm_exc_invalid_op+0x12/0x20

 5926 08:45:36.402416  # [   53.169881]  ? refcount_warn_saturate+0x97/0x110

 5927 08:45:36.409258  # [   53.174942]  ? refcount_w<4>[   53.559230] ------------[ cut here ]------------

 5928 08:45:36.412502  arn_saturate+0x97/0x110

 5929 08:45:36.419383  # [   53.179908]  __refcount_add_not_zero.constprop.0+0x2a/0x35

 5930 08:45:36.426094  # [   53.185744]  lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76

 5931 08:45:36.429301  # [   53.191662]  direct_entry.cold+0x2c/0x38

 5932 08:45:36.432357  # [   53.195945]  full_proxy_write+0x56/0x80

 5933 08:45:36.438908  # [   5<4>[   53.586266] refcount_t: decrement hit 0; leaking memory.

 5934 08:45:36.442126  3.200172]  vfs_write+0xea/0x3b0

 5935 08:45:36.445726  # [   53.203851]  ksys_write+0x68/0xf0

 5936 08:45:36.449122  # [   53.207510]  do_syscall_64+0x33/0x40

 5937 08:45:36.455629  # [   53.211420]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5938 08:45:36.458772  # [   53.216769] RIP: 0033:0x7f5cd6b1b473

 5939 08:45:36.468734  # [   53.220644] Code: 8b 15 21 2a 0e<4>[   53.614170] WARNING: CPU: 1 PID: 2126 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110

 5940 08:45:36.485419   00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5941 08:45:36.531552  # [   53.239658] RSP: 002b:00007ffc646ea9c8 EFLAGS: 00000246 ORIG_RAX: 0000<4>[   53.644898] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common cros_ec_dev snd_soc_acp_da7219mx98357_mach designware_i2s cros_usbpd_notify snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 5942 08:45:36.532113  000000000001

 5943 08:45:36.541455  # [   53.247482] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f5cd6b1b473

 5944 08:45:36.548373  # [   53.254892] RDX: 000000000000001f RSI: 00007f5cd6a0f000 RDI: 0000000000000001

 5945 08:45:36.561403  # [   53.262288] RBP: 00007f5cd6a0f000 R08: 00007f5cd6a0e010 R09: 00000000<4>[   53.707019] CPU: 1 PID: 2126 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 5946 08:45:36.561925  00000000

 5947 08:45:36.571137  # [   53.269678] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5948 08:45:36.577922  # [   53.277068] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5949 08:45:36.581086  # [   53.284483] irq event stamp: 0

 5950 08:45:36.590578  # [   53.287801] hardirqs last  enabled a<4>[   53.737175] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 5951 08:45:36.593790  t (0): [<0000000000000000>] 0x0

 5952 08:45:36.600994  # [   53.294330] hardirqs last disabled at (0): [<ffffffff918fd6dc>] copy_process+0x65c/0x20e0

 5953 08:45:36.610752  # [   53.302760] softirqs last  enabled at (0): [<ffffffff918fd6dc>] copy_process+0x65c/0x20e0

 5954 08:45:36.617213  # [   53.311191] softirqs last <4>[   53.765504] RIP: 0010:refcount_warn_saturate+0xfb/0x110

 5955 08:45:36.620398  disabled at (0): [<0000000000000000>] 0x0

 5956 08:45:36.626859  # [   53.317738] ---[ end trace 2f8aaab59271fee1 ]---

 5957 08:45:36.630417  # [   53.322624] lkdtm: Overflow detected: saturated

 5958 08:45:36.637364  # REFCOUNT_ADD_NOT_ZERO_OVERFLOW: saw 'call trace:': ok

 5959 08:45:36.659916  ok 45 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_O<4>[   53.793180] Code: a8 4e b7 93 c6 05 55 ea 36 02 01 e8 f9 2c c4 00 0f 0b e9 08 c1 04 01 48 c7 c7 78 4e b7 93 c6 05 3c ea 36 02 01 e8 df 2c c4 00 <0f> 0b e9 ee c0 04 01 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b

 5960 08:45:36.660480  VERFLOW.sh

 5961 08:45:36.663717  # selftests: lkdtm: REFCOUNT_DEC_ZERO.sh

 5962 08:45:36.670134  <4>[   53.834340] RSP: 0018:ffffa2db0427fe48 EFLAGS: 00010286

 5963 08:45:36.676439  <4>[   53.844510] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000

 5964 08:45:36.683177  <4>[   53.851913] RDX: ffff947f2ad2c620 RSI: ffff947f2ad1bf50 RDI: ffff947f2ad1bf50

 5965 08:45:36.690006  <4>[   53.859337] RBP: ffffffff93c1a399 R08: 0000000000000000 R09: 0000000000000000

 5966 08:45:36.699622  <4>[   53.866737] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012

 5967 08:45:36.706916  <4>[   53.874162] R13: ffffa2db0427ff10 R14: ffffa2db0427ff10 R15: ffff947f066e3000

 5968 08:45:36.716062  <4>[   53.881571] FS:  00007f0b5d922580(0000) GS:ffff947f2ad00000(0000) knlGS:0000000000000000

 5969 08:45:36.719770  <4>[   53.889964] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 5970 08:45:36.729509  <4>[   53.895985] CR2: 00007f0b5d6ef000 CR3: 00000001028c0000 CR4: 00000000001506e0

 5971 08:45:36.730130  <4>[   53.903438] Call Trace:

 5972 08:45:36.735869  <4>[   53.906188]  ? __warn+0x80/0x110

 5973 08:45:36.739322  <4>[   53.909734]  ? refcount_warn_saturate+0xfb/0x110

 5974 08:45:36.742749  <4>[   53.914634]  ? report_bug+0x9e/0xc0

 5975 08:45:36.746018  <4>[   53.918471]  ? handle_bug+0x41/0x90

 5976 08:45:36.752374  <4>[   53.922263]  ? exc_invalid_op+0x14/0x70

 5977 08:45:36.755889  <4>[   53.926455]  ? asm_exc_invalid_op+0x12/0x20

 5978 08:45:36.759095  <4>[   53.930959]  ? refcount_warn_saturate+0xfb/0x110

 5979 08:45:36.765908  <4>[   53.935902]  ? refcount_warn_saturate+0xfb/0x110

 5980 08:45:36.769029  <4>[   53.940851]  lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd

 5981 08:45:36.775558  <4>[   53.945673]  direct_entry.cold+0x2c/0x38

 5982 08:45:36.778921  <4>[   53.949927]  full_proxy_write+0x56/0x80

 5983 08:45:36.782267  <4>[   53.954121]  vfs_write+0xea/0x3b0

 5984 08:45:36.785639  <4>[   53.957783]  ksys_write+0x68/0xf0

 5985 08:45:36.788644  <4>[   53.961466]  do_syscall_64+0x33/0x40

 5986 08:45:36.795442  <4>[   53.965413]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 5987 08:45:36.798566  <4>[   53.970789] RIP: 0033:0x7f0b5d7fb473

 5988 08:45:36.818417  <4>[   53.974760] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 5989 08:45:36.825434  <4>[   53.993806] RSP: 002b:00007ffc31883578 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 5990 08:45:36.835645  <4>[   54.001642] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f0b5d7fb473

 5991 08:45:36.842289  <4>[   54.009045] RDX: 0000000000000012 RSI: 00007f0b5d6ef000 RDI: 0000000000000001

 5992 08:45:36.848451  <4>[   54.016437] RBP: 00007f0b5d6ef000 R08: 00007f0b5d6ee010 R09: 0000000000000000

 5993 08:45:36.854844  <4>[   54.023827] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 5994 08:45:36.865034  <4>[   54.031233] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 5995 08:45:36.868374  <4>[   54.038646] irq event stamp: 0

 5996 08:45:36.874918  <4>[   54.041963] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 5997 08:45:36.881734  <4>[   54.048495] hardirqs last disabled at (0): [<ffffffff918fd6dc>] copy_process+0x65c/0x20e0

 5998 08:45:36.890933  <4>[   54.056926] softirqs last  enabled at (0): [<ffffffff918fd6dc>] copy_process+0x65c/0x20e0

 5999 08:45:36.897996  <4>[   54.065379] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6000 08:45:36.900999  <4>[   54.071910] ---[ end trace 2f8aaab59271fee2 ]---

 6001 08:45:36.904380  <6>[   54.076799] lkdtm: Zero detected: saturated

 6002 08:45:36.945373  # [   53.497813] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO

 6003 08:45:36.951440  # [   53.504297] lkdtm: attempting good refcount_dec()

 6004 08:45:36.954974  # [   53.531459] lkdtm: attempting bad refcount_dec() to zero

 6005 08:45:36.961762  # [   53.559230] ------------[ cut here ]------------

 6006 08:45:36.964658  # [   53.586266] refcount_t: decrement hit 0; leaking memory.

 6007 08:45:36.974651  # [   53.614170] WARNING: CPU: 1 PID: 2126 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110

 6008 08:45:37.014566  # [   53.644898] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common cros_ec_dev snd_soc_acp_da7219mx98357_mach designware_i2s cros_usbpd_notify snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 6009 08:45:37.020860  # [   53.707019] CPU: 1 PID: 2126 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 6010 08:45:37.027216  # [   53.737175] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 6011 08:45:37.033889  # [   53.765504] RIP: 0010:refcount_warn_saturate+0xfb/0x110

 6012 08:45:37.054050  # [   53.793180] Code: a8 4e b7 93 c6 05 55 ea 36 02 01 e8 f9 2c c4 00 0f 0b e9 08 c1 04 01 48 c7 c7 78 4e b7 93 c6 05 3c ea 36 02 01 e8 df 2c c4 00 <0f> 0b e9 ee c0 04 01 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b

 6013 08:45:37.057500  # [   53.834340] RSP: 0018:ffffa2db0427fe48 EFLAGS: 00010286

 6014 08:45:37.067030  # [   53.844510] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000

 6015 08:45:37.073270  # [   53.851913] RDX: ffff947f2ad2c620 RSI: ffff947f2ad1bf50 RDI: ffff947f2ad1bf50

 6016 08:45:37.083456  # [   53.859337] RBP: ffffffff93c1a399 R08: 0000000000000000 R09: 00<6>[   54.253484] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE

 6017 08:45:37.086727  00000000000000

 6018 08:45:37.093559  # [   53.866737] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012

 6019 08:45:37.100096  # [   53.874162] R13: ffffa2db0427ff10 R14: ffffa2db0427ff10 R15: ffff947f066e3000

 6020 08:45:37.113458  # [   53.881571] FS:  00007f0b5d922580(0000) GS:ffff947f2ad00000(0000) k<6>[   54.260458] lkdtm: attempting bad refcount_dec() below zero

 6021 08:45:37.116652  nlGS:0000000000000000

 6022 08:45:37.120253  # [   53.889964] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6023 08:45:37.129637  # [   53.895985] CR2: 00007f0b5d6ef000 CR3: 00000001028c0000 CR4: 00000000001506e0

 6024 08:45:37.130093  # [   53.903438] Call Trace:

 6025 08:45:37.133723  # [   53.906188]  ? __warn+0x80/0x110

 6026 08:45:37.139758  # [   53.909<4>[   54.288464] ------------[ cut here ]------------

 6027 08:45:37.143716  734]  ? refcount_warn_saturate+0xfb/0x110

 6028 08:45:37.146338  # [   53.914634]  ? report_bug+0x9e/0xc0

 6029 08:45:37.149841  # [   53.918471]  ? handle_bug+0x41/0x90

 6030 08:45:37.156578  # [   53.922263]  ? exc_invalid_op+0x14/0x70

 6031 08:45:37.159937  # [   53.926455]  ? asm_exc_invalid_op+0x12/0x20

 6032 08:45:37.166794  # [   53.930959]  ? refcount_warn<4>[   54.315551] refcount_t: decrement hit 0; leaking memory.

 6033 08:45:37.169819  _saturate+0xfb/0x110

 6034 08:45:37.173204  # [   53.935902]  ? refcount_warn_saturate+0xfb/0x110

 6035 08:45:37.179761  # [   53.940851]  lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd

 6036 08:45:37.182941  # [   53.945673]  direct_entry.cold+0x2c/0x38

 6037 08:45:37.186510  # [   53.949927]  full_proxy_write+0x56/0x80

 6038 08:45:37.199798  # [   53.954121]  vfs_write+0xea/<4>[   54.343333] WARNING: CPU: 1 PID: 2162 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110

 6039 08:45:37.200412  0x3b0

 6040 08:45:37.203329  # [   53.957783]  ksys_write+0x68/0xf0

 6041 08:45:37.207193  # [   53.961466]  do_syscall_64+0x33/0x40

 6042 08:45:37.212794  # [   53.965413]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6043 08:45:37.216216  # [   53.970789] RIP: 0033:0x7f0b5d7fb473

 6044 08:45:37.262481  # [   53.974760] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c<4>[   54.374254] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common cros_ec_dev snd_soc_acp_da7219mx98357_mach designware_i2s cros_usbpd_notify snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 6045 08:45:37.275811  0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6046 08:45:37.282123  # [   53.993806] RSP: 002b:00007ffc31883578 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6047 08:45:37.292606  # [   54.001<4>[   54.436238] CPU: 1 PID: 2162 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 6048 08:45:37.298883  642] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f0b5d7fb473

 6049 08:45:37.305598  # [   54.009045] RDX: 0000000000000012 RSI: 00007f0b5d6ef000 RDI: 0000000000000001

 6050 08:45:37.312093  # [   54.016437] RBP: 00007f0b5d6ef000 R08: 00007f0b5d6ee010 R09: 0000000000000000

 6051 08:45:37.318316  # [   54.023827]<4>[   54.466480] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 6052 08:45:37.325035   R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6053 08:45:37.332058  # [   54.031233] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6054 08:45:37.335150  # [   54.038646] irq event stamp: 0

 6055 08:45:37.348297  # [   54.041963] hardirqs last  enabled at (0): [<0000000000000000><4>[   54.494783] RIP: 0010:refcount_warn_saturate+0xfb/0x110

 6056 08:45:37.348866  ] 0x0

 6057 08:45:37.354602  # [   54.048495] hardirqs last disabled at (0): [<ffffffff918fd6dc>] copy_process+0x65c/0x20e0

 6058 08:45:37.364732  # [   54.056926] softirqs last  enabled at (0): [<ffffffff918fd6dc>] copy_process+0x65c/0x20e0

 6059 08:45:37.388116  # [   54.065379] softirqs last disabled at (0): [<0000000<4>[   54.522457] Code: a8 4e b7 93 c6 05 55 ea 36 02 01 e8 f9 2c c4 00 0f 0b e9 08 c1 04 01 48 c7 c7 78 4e b7 93 c6 05 3c ea 36 02 01 e8 df 2c c4 00 <0f> 0b e9 ee c0 04 01 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b

 6060 08:45:37.391124  000000000>] 0x0

 6061 08:45:37.394228  # [   54.071910] ---[ end trace 2f8aaab59271fee2 ]---

 6062 08:45:37.397989  # [   54.076799] lkdtm: Zero detected: saturated

 6063 08:45:37.404550  # REFCOUNT_DEC_ZERO: saw 'call trace:': ok

 6064 08:45:37.408171  ok 46 selftests: lkdtm: REFCOUNT_DEC_ZERO.sh

 6065 08:45:37.417583  # selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh<4>[   54.563605] RSP: 0018:ffffa2db042f7e48 EFLAGS: 00010286

 6066 08:45:37.418195  

 6067 08:45:37.424157  <4>[   54.591283] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000

 6068 08:45:37.431122  <4>[   54.598846] RDX: ffff947f2ad2c620 RSI: ffff947f2ad1bf50 RDI: ffff947f2ad1bf50

 6069 08:45:37.437526  <4>[   54.606297] RBP: ffffffff93c1a3ab R08: 0000000000000000 R09: 0000000000000000

 6070 08:45:37.447307  <4>[   54.613759] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016

 6071 08:45:37.454309  <4>[   54.621196] R13: ffffa2db042f7f10 R14: ffffa2db042f7f10 R15: ffff947f0379c000

 6072 08:45:37.460848  <4>[   54.628648] FS:  00007f73f6fd7580(0000) GS:ffff947f2ad00000(0000) knlGS:0000000000000000

 6073 08:45:37.466857  <4>[   54.637040] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6074 08:45:37.474079  <4>[   54.643100] CR2: 00007f73f6dd7000 CR3: 00000001027de000 CR4: 00000000001506e0

 6075 08:45:37.476764  <4>[   54.650574] Call Trace:

 6076 08:45:37.480167  <4>[   54.653381]  ? __warn+0x80/0x110

 6077 08:45:37.487092  <4>[   54.656934]  ? refcount_warn_saturate+0xfb/0x110

 6078 08:45:37.490089  <4>[   54.661908]  ? report_bug+0x9e/0xc0

 6079 08:45:37.493493  <4>[   54.665759]  ? handle_bug+0x41/0x90

 6080 08:45:37.496686  <4>[   54.669598]  ? exc_invalid_op+0x14/0x70

 6081 08:45:37.503170  <4>[   54.673777]  ? asm_exc_invalid_op+0x12/0x20

 6082 08:45:37.506716  <4>[   54.678354]  ? refcount_warn_saturate+0xfb/0x110

 6083 08:45:37.513544  <4>[   54.683352]  ? refcount_warn_saturate+0xfb/0x110

 6084 08:45:37.516784  <4>[   54.688341]  lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61

 6085 08:45:37.523342  <4>[   54.693544]  direct_entry.cold+0x2c/0x38

 6086 08:45:37.526590  <4>[   54.697891]  full_proxy_write+0x56/0x80

 6087 08:45:37.529996  <4>[   54.702049]  vfs_write+0xea/0x3b0

 6088 08:45:37.533251  <4>[   54.705700]  ksys_write+0x68/0xf0

 6089 08:45:37.537792  <4>[   54.709339]  do_syscall_64+0x33/0x40

 6090 08:45:37.543516  <4>[   54.713241]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6091 08:45:37.546360  <4>[   54.718624] RIP: 0033:0x7f73f6ee3473

 6092 08:45:37.566786  <4>[   54.722487] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6093 08:45:37.573183  <4>[   54.741502] RSP: 002b:00007ffdccc2ec98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6094 08:45:37.583026  <4>[   54.749327] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f73f6ee3473

 6095 08:45:37.589922  <4>[   54.756747] RDX: 0000000000000016 RSI: 00007f73f6dd7000 RDI: 0000000000000001

 6096 08:45:37.596374  <4>[   54.764142] RBP: 00007f73f6dd7000 R08: 00007f73f6dd6010 R09: 0000000000000000

 6097 08:45:37.603340  <4>[   54.771534] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6098 08:45:37.609755  <4>[   54.778926] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6099 08:45:37.613119  <4>[   54.786339] irq event stamp: 0

 6100 08:45:37.619548  <4>[   54.789673] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6101 08:45:37.629620  <4>[   54.796200] hardirqs last disabled at (0): [<ffffffff918fd6dc>] copy_process+0x65c/0x20e0

 6102 08:45:37.639483  <4>[   54.804634] softirqs last  enabled at (0): [<ffffffff918fd6dc>] copy_process+0x65c/0x20e0

 6103 08:45:37.642438  <4>[   54.813066] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6104 08:45:37.649424  <4>[   54.819613] ---[ end trace 2f8aaab59271fee3 ]---

 6105 08:45:37.652823  <6>[   54.824498] lkdtm: Negative detected: saturated

 6106 08:45:37.691093  # [   54.253484] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE

 6107 08:45:37.698003  # [   54.260458] lkdtm: attempting bad refcount_dec() below zero

 6108 08:45:37.704526  # [   54.288464] ------------[ cut here ]------------

 6109 08:45:37.707941  # [   54.315551] refcount_t: decrement hit 0; leaking memory.

 6110 08:45:37.717791  # [   54.343333] WARNING: CPU: 1 PID: 2162 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110

 6111 08:45:37.756866  # [   54.374254] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common cros_ec_dev snd_soc_acp_da7219mx98357_mach designware_i2s cros_usbpd_notify snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 6112 08:45:37.763472  # [   54.436238] CPU: 1 PID: 2162 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 6113 08:45:37.770184  # [   54.466480] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 6114 08:45:37.776201  # [   54.494783] RIP: 0010:refcount_warn_saturate+0xfb/0x110

 6115 08:45:37.793097  # [   54.522457] Code: a8 4e b7 93 c6 05 55 ea 36 02 01 e8 f9 2c c4 00 0f 0b e9 08 c1 04 01 48 c7 c7 78 4e b7 93 c6 05 3c ea 36 02 01 e8 df 2c c4 00 <0f> 0b e9 ee c0 04 01 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b

 6116 08:45:37.800914  # [   54.563605] RSP: 0018:ffffa2db042f7e48 EFLAGS: 00010286

 6117 08:45:37.806822  # [   54.591283] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000

 6118 08:45:37.812870  # [   54.598846] RDX: ffff947f2ad2c620 RSI: ffff947f2ad1bf50 RDI: ffff947f2ad1bf50

 6119 08:45:37.823292  # [   54.606297] RBP: ffffffff93c1a3ab R08: 0000000000000000 R09: 0000000000000000

 6120 08:45:37.829511  # [   54.613759] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016

 6121 08:45:37.836542  # [   54.621196] R13: ffffa2db042f7f10 R14: ffffa2db042f7f10 R15: ffff947f0379c000

 6122 08:45:37.846543  # [   54.628648] FS:  00007f73f6fd7580(0000) GS:ffff947f2ad00000(0000) knlGS:0000000000000000

 6123 08:45:37.852672  # [   54.637040]<6>[   55.005477] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE

 6124 08:45:37.856115   CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6125 08:45:37.866385  # [   54.643100] CR2: 00007f73f6dd7000 CR3: 00000001027de000 CR4: 00000000001506e0

 6126 08:45:37.866952  # [   54.650574] Call Trace:

 6127 08:45:37.872903  # [   54.653381]  ? __warn+0x80/0x110

 6128 08:45:37.882739  # [   54.656934]  ? refcount_warn_saturate+0xfb/0x1<6>[   55.028560] lkdtm: attempting bad refcount_dec_and_test() below zero

 6129 08:45:37.883214  10

 6130 08:45:37.885867  # [   54.661908]  ? report_bug+0x9e/0xc0

 6131 08:45:37.889899  # [   54.665759]  ? handle_bug+0x41/0x90

 6132 08:45:37.892434  # [   54.669598]  ? exc_invalid_op+0x14/0x70

 6133 08:45:37.899145  # [   54.673777]  ? asm_exc_invalid_op+0x12/0x20

 6134 08:45:37.902556  # [   54.678354]  ? refcount_warn_saturate+0xfb/0x110

 6135 08:45:37.909072  # [   54.683352] <4>[   55.057370] ------------[ cut here ]------------

 6136 08:45:37.912519   ? refcount_warn_saturate+0xfb/0x110

 6137 08:45:37.918990  # [   54.688341]  lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61

 6138 08:45:37.922571  # [   54.693544]  direct_entry.cold+0x2c/0x38

 6139 08:45:37.925826  # [   54.697891]  full_proxy_write+0x56/0x80

 6140 08:45:37.929138  # [   54.702049]  vfs_write+0xea/0x3b0

 6141 08:45:37.935886  # [   54.705700]  ksys_write<4>[   55.084448] refcount_t: underflow; use-after-free.

 6142 08:45:37.939094  +0x68/0xf0

 6143 08:45:37.942310  # [   54.709339]  do_syscall_64+0x33/0x40

 6144 08:45:37.945370  # [   54.713241]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6145 08:45:37.949089  # [   54.718624] RIP: 0033:0x7f73f6ee3473

 6146 08:45:37.968846  # [   54.722487] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b <4>[   55.111723] WARNING: CPU: 1 PID: 2198 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110

 6147 08:45:37.978804  04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6148 08:45:37.985465  # [   54.741502] RSP: 002b:00007ffdccc2ec98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6149 08:45:38.027862  # [   54.749327] RAX: ffffffffffffffda RBX: 000<4>[   55.142619] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common cros_ec_dev snd_soc_acp_da7219mx98357_mach designware_i2s cros_usbpd_notify snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 6150 08:45:38.031314  0000000000016 RCX: 00007f73f6ee3473

 6151 08:45:38.041443  # [   54.756747] RDX: 0000000000000016 RSI: 00007f73f6dd7000 RDI: 0000000000000001

 6152 08:45:38.047964  # [   54.764142] RBP: 00007f73f6dd7000 R08: 00007f73f6dd6010 R09: 0000000000000000

 6153 08:45:38.061037  # [   54.771534] R10: fffffffffffffbc5 R11: 0000000<4>[   55.204666] CPU: 1 PID: 2198 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 6154 08:45:38.061617  000000246 R12: 0000000000000001

 6155 08:45:38.071000  # [   54.778926] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6156 08:45:38.074280  # [   54.786339] irq event stamp: 0

 6157 08:45:38.081267  # [   54.789673] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6158 08:45:38.087696  # [   54.796200] hardirqs la<4>[   55.234822] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 6159 08:45:38.093876  st disabled at (0): [<ffffffff918fd6dc>] copy_process+0x65c/0x20e0

 6160 08:45:38.100701  # [   54.804634] softirqs last  enabled at (0): [<ffffffff918fd6dc>] copy_process+0x65c/0x20e0

 6161 08:45:38.107621  # [   54.813066] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6162 08:45:38.114089  # [   54.819613] -<4>[   55.263169] RIP: 0010:refcount_warn_saturate+0xba/0x110

 6163 08:45:38.117301  --[ end trace 2f8aaab59271fee3 ]---

 6164 08:45:38.123887  # [   54.824498] lkdtm: Negative detected: saturated

 6165 08:45:38.130697  # REFCOUNT_DEC_NEGATIVE: saw 'Negative detected: saturated': ok

 6166 08:45:38.133803  ok 47 selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh

 6167 08:45:38.157700  # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE<4>[   55.290788] Code: 02 01 e8 43 2d c4 00 0f 0b e9 52 c1 04 01 80 3d 8e ea 36 02 00 75 85 48 c7 c7 50 4e b7 93 c6 05 7e ea 36 02 01 e8 20 2d c4 00 <0f> 0b e9 2f c1 04 01 80 3d 69 ea 36 02 00 0f 85 5e ff ff ff 48 c7

 6168 08:45:38.158337  .sh

 6169 08:45:38.163819  <4>[   55.331995] RSP: 0018:ffffa2db04377e40 EFLAGS: 00010286

 6170 08:45:38.169864  <4>[   55.337893] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000

 6171 08:45:38.176982  <4>[   55.345327] RDX: ffff947f2ad2c620 RSI: ffff947f2ad1bf50 RDI: ffff947f2ad1bf50

 6172 08:45:38.183252  <4>[   55.352794] RBP: ffffffff93c1a000 R08: 0000000000000000 R09: 0000000000000000

 6173 08:45:38.193732  <4>[   55.360246] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f

 6174 08:45:38.200290  <4>[   55.367691] R13: ffffa2db04377f10 R14: ffffa2db04377f10 R15: ffff947f02986000

 6175 08:45:38.207141  <4>[   55.375129] FS:  00007f311abff580(0000) GS:ffff947f2ad00000(0000) knlGS:0000000000000000

 6176 08:45:38.213141  <4>[   55.383541] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6177 08:45:38.223470  <4>[   55.389620] CR2: 00007f311a9ff000 CR3: 0000000105f8c000 CR4: 00000000001506e0

 6178 08:45:38.224032  <4>[   55.397088] Call Trace:

 6179 08:45:38.226126  <4>[   55.399866]  ? __warn+0x80/0x110

 6180 08:45:38.233148  <4>[   55.403478]  ? refcount_warn_saturate+0xba/0x110

 6181 08:45:38.236326  <4>[   55.408447]  ? report_bug+0x9e/0xc0

 6182 08:45:38.239235  <4>[   55.412253]  ? handle_bug+0x41/0x90

 6183 08:45:38.245903  <4>[   55.416088]  ? exc_invalid_op+0x14/0x70

 6184 08:45:38.249249  <4>[   55.420344]  ? asm_exc_invalid_op+0x12/0x20

 6185 08:45:38.252499  <4>[   55.424872]  ? refcount_warn_saturate+0xba/0x110

 6186 08:45:38.259301  <4>[   55.429838]  __refcount_sub_and_test.constprop.0+0x3c/0x50

 6187 08:45:38.265897  <4>[   55.435625]  lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78

 6188 08:45:38.269588  <4>[   55.441607]  direct_entry.cold+0x2c/0x38

 6189 08:45:38.272710  <4>[   55.445840]  full_proxy_write+0x56/0x80

 6190 08:45:38.279664  <4>[   55.450068]  vfs_write+0xea/0x3b0

 6191 08:45:38.282503  <4>[   55.453734]  ksys_write+0x68/0xf0

 6192 08:45:38.285945  <4>[   55.457397]  do_syscall_64+0x33/0x40

 6193 08:45:38.289342  <4>[   55.461300]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6194 08:45:38.296355  <4>[   55.466658] RIP: 0033:0x7f311ab0b473

 6195 08:45:38.313007  <4>[   55.470527] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6196 08:45:38.322386  <4>[   55.489539] RSP: 002b:00007ffcd4549b18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6197 08:45:38.329354  <4>[   55.497378] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f311ab0b473

 6198 08:45:38.336153  <4>[   55.504773] RDX: 000000000000001f RSI: 00007f311a9ff000 RDI: 0000000000000001

 6199 08:45:38.342761  <4>[   55.512165] RBP: 00007f311a9ff000 R08: 00007f311a9fe010 R09: 0000000000000000

 6200 08:45:38.353115  <4>[   55.519555] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6201 08:45:38.359918  <4>[   55.526959] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6202 08:45:38.362975  <4>[   55.534359] irq event stamp: 0

 6203 08:45:38.369622  <4>[   55.537678] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6204 08:45:38.375611  <4>[   55.544206] hardirqs last disabled at (0): [<ffffffff918fd6dc>] copy_process+0x65c/0x20e0

 6205 08:45:38.385611  <4>[   55.552637] softirqs last  enabled at (0): [<ffffffff918fd6dc>] copy_process+0x65c/0x20e0

 6206 08:45:38.392486  <4>[   55.561096] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6207 08:45:38.395473  <4>[   55.567625] ---[ end trace 2f8aaab59271fee4 ]---

 6208 08:45:38.402903  <6>[   55.572514] lkdtm: Negative detected: saturated

 6209 08:45:38.443892  # [   55.005477] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE

 6210 08:45:38.450870  # [   55.028560] lkdtm: attempting bad refcount_dec_and_test() below zero

 6211 08:45:38.454175  # [   55.057370] ------------[ cut here ]------------

 6212 08:45:38.457454  # [   55.084448] refcount_t: underflow; use-after-free.

 6213 08:45:38.467363  # [   55.111723] WARNING: CPU: 1 PID: 2198 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110

 6214 08:45:38.507393  # [   55.142619] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common cros_ec_dev snd_soc_acp_da7219mx98357_mach designware_i2s cros_usbpd_notify snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 6215 08:45:38.513876  # [   55.204666] CPU: 1 PID: 2198 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 6216 08:45:38.520614  # [   55.234822] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 6217 08:45:38.527233  # [   55.263169] RIP: 0010:refcount_warn_saturate+0xba/0x110

 6218 08:45:38.546810  # [   55.290788] Code: 02 01 e8 43 2d c4 00 0f 0b e9 52 c1 04 01 80 3d 8e ea 36 02 00 75 85 48 c7 c7 50 4e b7 93 c6 05 7e ea 36 02 01 e8 20 2d c4 00 <0f> 0b e9 2f c1 04 01 80 3d 69 ea 36 02 00 0f 85 5e ff ff ff 48 c7

 6219 08:45:38.550000  # [   55.331995] RSP: 0018:ffffa2db04377e40 EFLAGS: 00010286

 6220 08:45:38.556826  # [   55.337893] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000

 6221 08:45:38.566639  # [   55.345327] RDX: ffff947f2ad2c620 RSI: ffff947f2ad1bf50 RDI: ffff947f2ad1bf50

 6222 08:45:38.573160  # [   55.352794] RBP: ffffffff93c1a000 R08: 0000000000000000 R09: 0000000000000000

 6223 08:45:38.583771  # [   55.360246] R10: 00000000ffffe0<6>[   55.744604] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE

 6224 08:45:38.586479  00 R11: 3fffffffffffffff R12: 000000000000001f

 6225 08:45:38.593505  # [   55.367691] R13: ffffa2db04377f10 R14: ffffa2db04377f10 R15: ffff947f02986000

 6226 08:45:38.603114  # [   55.375129] FS:  00007f311abff580(0000) GS:ffff947f2ad00000(0000) knlGS:0000000000000000

 6227 08:45:38.613456  # [   55.383541] CS:  0010 DS<6>[   55.758569] lkdtm: attempting bad refcount_sub_and_test() below zero

 6228 08:45:38.616930  : 0000 ES: 0000 CR0: 0000000080050033

 6229 08:45:38.623155  # [   55.389620] CR2: 00007f311a9ff000 CR3: 0000000105f8c000 CR4: 00000000001506e0

 6230 08:45:38.626882  # [   55.397088] Call Trace:

 6231 08:45:38.629847  # [   55.399866]  ? __warn+0x80/0x110

 6232 08:45:38.633328  # [   55.403478]  ? refcount_warn_saturate+0xba/0x110

 6233 08:45:38.640100  # [   55.<4>[   55.787371] ------------[ cut here ]------------

 6234 08:45:38.643022  408447]  ? report_bug+0x9e/0xc0

 6235 08:45:38.646503  # [   55.412253]  ? handle_bug+0x41/0x90

 6236 08:45:38.649980  # [   55.416088]  ? exc_invalid_op+0x14/0x70

 6237 08:45:38.653464  # [   55.420344]  ? asm_exc_invalid_op+0x12/0x20

 6238 08:45:38.659645  # [   55.424872]  ? refcount_warn_saturate+0xba/0x110

 6239 08:45:38.666567  # [   55.429838]  __refcount_s<4>[   55.814448] refcount_t: underflow; use-after-free.

 6240 08:45:38.670073  ub_and_test.constprop.0+0x3c/0x50

 6241 08:45:38.676343  # [   55.435625]  lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78

 6242 08:45:38.679488  # [   55.441607]  direct_entry.cold+0x2c/0x38

 6243 08:45:38.682568  # [   55.445840]  full_proxy_write+0x56/0x80

 6244 08:45:38.686095  # [   55.450068]  vfs_write+0xea/0x3b0

 6245 08:45:38.695840  # [   55.453734]  ksys<4>[   55.841715] WARNING: CPU: 1 PID: 2234 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110

 6246 08:45:38.699112  _write+0x68/0xf0

 6247 08:45:38.702522  # [   55.457397]  do_syscall_64+0x33/0x40

 6248 08:45:38.709084  # [   55.461300]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6249 08:45:38.712581  # [   55.466658] RIP: 0033:0x7f311ab0b473

 6250 08:45:38.758519  # [   55.470527] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 <4>[   55.872619] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common cros_ec_dev snd_soc_acp_da7219mx98357_mach designware_i2s cros_usbpd_notify snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 6251 08:45:38.769020  64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6252 08:45:38.778823  # [   55.489539] RSP: 002b:00007ffcd4549b18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6253 08:45:38.788805  # [   55.497378] RAX: ffffffffffffffda RB<4>[   55.934646] CPU: 1 PID: 2234 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 6254 08:45:38.791770  X: 000000000000001f RCX: 00007f311ab0b473

 6255 08:45:38.801718  # [   55.504773] RDX: 000000000000001f RSI: 00007f311a9ff000 RDI: 0000000000000001

 6256 08:45:38.808702  # [   55.512165] RBP: 00007f311a9ff000 R08: 00007f311a9fe010 R09: 0000000000000000

 6257 08:45:38.818446  # [   55.519555] R10: fffffffffffffbc5 R11: 0<4>[   55.964825] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 6258 08:45:38.821921  000000000000246 R12: 0000000000000001

 6259 08:45:38.828592  # [   55.526959] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6260 08:45:38.831503  # [   55.534359] irq event stamp: 0

 6261 08:45:38.838080  # [   55.537678] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6262 08:45:38.845202  # [   55.544206] hardi<4>[   55.993179] RIP: 0010:refcount_warn_saturate+0xba/0x110

 6263 08:45:38.851280  rqs last disabled at (0): [<ffffffff918fd6dc>] copy_process+0x65c/0x20e0

 6264 08:45:38.861471  # [   55.552637] softirqs last  enabled at (0): [<ffffffff918fd6dc>] copy_process+0x65c/0x20e0

 6265 08:45:38.867723  # [   55.561096] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6266 08:45:38.887884  # [   55.567<4>[   56.020781] Code: 02 01 e8 43 2d c4 00 0f 0b e9 52 c1 04 01 80 3d 8e ea 36 02 00 75 85 48 c7 c7 50 4e b7 93 c6 05 7e ea 36 02 01 e8 20 2d c4 00 <0f> 0b e9 2f c1 04 01 80 3d 69 ea 36 02 00 0f 85 5e ff ff ff 48 c7

 6267 08:45:38.890920  625] ---[ end trace 2f8aaab59271fee4 ]---

 6268 08:45:38.894295  # [   55.572514] lkdtm: Negative detected: saturated

 6269 08:45:38.901217  # REFCOUNT_DEC_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok

 6270 08:45:38.907625  ok 48 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh

 6271 08:45:38.914624  # selftests: lkdtm: REFCOU<4>[   56.061979] RSP: 0018:ffffa2db043dfe40 EFLAGS: 00010286

 6272 08:45:38.917724  NT_SUB_AND_TEST_NEGATIVE.sh

 6273 08:45:38.924519  <4>[   56.089636] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000

 6274 08:45:38.930766  <4>[   56.099533] RDX: ffff947f2ad2c620 RSI: ffff947f2ad1bf50 RDI: ffff947f2ad1bf50

 6275 08:45:38.941022  <4>[   56.106979] RBP: ffffffff93c1a020 R08: 0000000000000000 R09: 0000000000000000

 6276 08:45:38.947139  <4>[   56.114415] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f

 6277 08:45:38.953719  <4>[   56.121852] R13: ffffa2db043dff10 R14: ffffa2db043dff10 R15: ffff947f05766000

 6278 08:45:38.964106  <4>[   56.129289] FS:  00007feeb6f763c0(0000) GS:ffff947f2ad00000(0000) knlGS:0000000000000000

 6279 08:45:38.967103  <4>[   56.137711] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6280 08:45:38.976984  <4>[   56.143773] CR2: 00007feeb6d47000 CR3: 00000001027de000 CR4: 00000000001506e0

 6281 08:45:38.979882  <4>[   56.151230] Call Trace:

 6282 08:45:38.983368  <4>[   56.154036]  ? __warn+0x80/0x110

 6283 08:45:38.986718  <4>[   56.157625]  ? refcount_warn_saturate+0xba/0x110

 6284 08:45:38.989835  <4>[   56.162598]  ? report_bug+0x9e/0xc0

 6285 08:45:38.993212  <4>[   56.166451]  ? handle_bug+0x41/0x90

 6286 08:45:39.000017  <4>[   56.170417]  ? exc_invalid_op+0x14/0x70

 6287 08:45:39.003390  <4>[   56.174600]  ? asm_exc_invalid_op+0x12/0x20

 6288 08:45:39.010011  <4>[   56.179129]  ? refcount_warn_saturate+0xba/0x110

 6289 08:45:39.013405  <4>[   56.184165]  __refcount_sub_and_test.constprop.0+0x3c/0x50

 6290 08:45:39.019676  <4>[   56.190005]  lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b

 6291 08:45:39.023279  <4>[   56.195998]  direct_entry.cold+0x2c/0x38

 6292 08:45:39.029999  <4>[   56.200299]  full_proxy_write+0x56/0x80

 6293 08:45:39.033113  <4>[   56.204570]  vfs_write+0xea/0x3b0

 6294 08:45:39.036754  <4>[   56.208222]  ksys_write+0x68/0xf0

 6295 08:45:39.040498  <4>[   56.211843]  do_syscall_64+0x33/0x40

 6296 08:45:39.046647  <4>[   56.215714]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6297 08:45:39.049703  <4>[   56.221039] RIP: 0033:0x7feeb6e53473

 6298 08:45:39.069827  <4>[   56.224889] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6299 08:45:39.076942  <4>[   56.243912] RSP: 002b:00007ffdd588d808 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6300 08:45:39.083005  <4>[   56.251739] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007feeb6e53473

 6301 08:45:39.089928  <4>[   56.259131] RDX: 000000000000001f RSI: 00007feeb6d47000 RDI: 0000000000000001

 6302 08:45:39.099995  <4>[   56.266524] RBP: 00007feeb6d47000 R08: 00007feeb6d46010 R09: 0000000000000000

 6303 08:45:39.106451  <4>[   56.273940] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6304 08:45:39.113091  <4>[   56.281339] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6305 08:45:39.117038  <4>[   56.288750] irq event stamp: 0

 6306 08:45:39.122620  <4>[   56.292069] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6307 08:45:39.132729  <4>[   56.298598] hardirqs last disabled at (0): [<ffffffff918fd6dc>] copy_process+0x65c/0x20e0

 6308 08:45:39.139381  <4>[   56.307039] softirqs last  enabled at (0): [<ffffffff918fd6dc>] copy_process+0x65c/0x20e0

 6309 08:45:39.145859  <4>[   56.315471] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6310 08:45:39.152623  <4>[   56.321995] ---[ end trace 2f8aaab59271fee5 ]---

 6311 08:45:39.156161  <6>[   56.326873] lkdtm: Negative detected: saturated

 6312 08:45:39.195318  # [   55.744604] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE

 6313 08:45:39.201752  # [   55.758569] lkdtm: attempting bad refcount_sub_and_test() below zero

 6314 08:45:39.205003  # [   55.787371] ------------[ cut here ]------------

 6315 08:45:39.211759  # [   55.814448] refcount_t: underflow; use-after-free.

 6316 08:45:39.218763  # [   55.841715] WARNING: CPU: 1 PID: 2234 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110

 6317 08:45:39.258119  # [   55.872619] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common cros_ec_dev snd_soc_acp_da7219mx98357_mach designware_i2s cros_usbpd_notify snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 6318 08:45:39.267835  # [   55.934646] CPU: 1 PID: 2234 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 6319 08:45:39.271151  # [   55.964825] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 6320 08:45:39.277703  # [   55.993179] RIP: 0010:refcount_warn_saturate+0xba/0x110

 6321 08:45:39.297489  # [   56.020781] Code: 02 01 e8 43 2d c4 00 0f 0b e9 52 c1 04 01 80 3d 8e ea 36 02 00 75 85 48 c7 c7 50 4e b7 93 c6 05 7e ea 36 02 01 e8 20 2d c4 00 <0f> 0b e9 2f c1 04 01 80 3d 69 ea 36 02 00 0f 85 5e ff ff ff 48 c7

 6322 08:45:39.301067  # [   56.061979] RSP: 0018:ffffa2db043dfe40 EFLAGS: 00010286

 6323 08:45:39.311039  # [   56.089636] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000

 6324 08:45:39.317274  # [   56.099533] RDX: ffff947f2ad2c620 RSI: ffff947f2ad1bf50 RDI: ffff947f2ad1bf50

 6325 08:45:39.324058  # [   56.106979] RBP: ffffffff93c1a020 R08: 0000000000000000 R09: 0000000000000000

 6326 08:45:39.330832  # [   56.114415] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f

 6327 08:45:39.337541  # [   56.121852] R13: ffffa2db043dff10 R14: ffffa2db043dff10 R15: ffff947f05766000

 6328 08:45:39.350842  # [   56.129289] FS:  00007feeb6f763c0(0000) GS:ffff947f2ad00000(0000) knlGS:00000000<6>[   56.504655] lkdtm: Performing direct entry REFCOUNT_INC_ZERO

 6329 08:45:39.354251  00000000

 6330 08:45:39.357475  # [   56.137711] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6331 08:45:39.367016  # [   56.143773] CR2: 00007feeb6d47000 CR3: 00000001027de000 CR4: 00000000001506e0

 6332 08:45:39.367526  # [   56.151230] Call Trace:

 6333 08:45:39.370653  # [   56.154036]  ? __warn+0x80/0x110

 6334 08:45:39.380636  # [   56.157625]  ? refco<6>[   56.527494] lkdtm: attempting safe refcount_inc_not_zero() from zero

 6335 08:45:39.383367  unt_warn_saturate+0xba/0x110

 6336 08:45:39.386866  # [   56.162598]  ? report_bug+0x9e/0xc0

 6337 08:45:39.390140  # [   56.166451]  ? handle_bug+0x41/0x90

 6338 08:45:39.393718  # [   56.170417]  ? exc_invalid_op+0x14/0x70

 6339 08:45:39.399963  # [   56.174600]  ? asm_exc_invalid_op+0x12/0x20

 6340 08:45:39.406722  # [   56.179129]  ? refcount_warn_saturate+0xb<6>[   56.556311] lkdtm: Good: zero detected

 6341 08:45:39.407407  a/0x110

 6342 08:45:39.413533  # [   56.184165]  __refcount_sub_and_test.constprop.0+0x3c/0x50

 6343 08:45:39.420387  # [   56.190005]  lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b

 6344 08:45:39.423439  # [   56.195998]  direct_entry.cold+0x2c/0x38

 6345 08:45:39.426358  # [   56.200299]  full_proxy_write+0x56/0x80

 6346 08:45:39.433099  # [   56.204570]  vfs_w<6>[   56.582523] lkdtm: Correctly stayed at zero

 6347 08:45:39.436592  rite+0xea/0x3b0

 6348 08:45:39.439532  # [   56.208222]  ksys_write+0x68/0xf0

 6349 08:45:39.442911  # [   56.211843]  do_syscall_64+0x33/0x40

 6350 08:45:39.446641  # [   56.215714]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6351 08:45:39.449293  # [   56.221039] RIP: 0033:0x7feeb6e53473

 6352 08:45:39.463098  # [   56.224889] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 <6>[   56.609138] lkdtm: attempting bad refcount_inc() from zero

 6353 08:45:39.476594  02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6354 08:45:39.482982  # [   56.243912] RSP: 002b:00007ffdd588d808 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6355 08:45:39.489543  # <4>[   56.637141] ------------[ cut here ]------------

 6356 08:45:39.495897  [   56.251739] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007feeb6e53473

 6357 08:45:39.502632  # [   56.259131] RDX: 000000000000001f RSI: 00007feeb6d47000 RDI: 0000000000000001

 6358 08:45:39.509389  # [   56.266524] RBP: 00007feeb6d47000 R08: 00007feeb6d46010 R09: 0000000000000000

 6359 08:45:39.516191  # [   <4>[   56.664166] refcount_t: addition on 0; use-after-free.

 6360 08:45:39.522274  56.273940] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6361 08:45:39.529079  # [   56.281339] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6362 08:45:39.532375  # [   56.288750] irq event stamp: 0

 6363 08:45:39.545702  # [   56.292069] hardirqs last  enabled at (0): [<0000000<4>[   56.691834] WARNING: CPU: 1 PID: 2267 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110

 6364 08:45:39.549099  000000000>] 0x0

 6365 08:45:39.555616  # [   56.298598] hardirqs last disabled at (0): [<ffffffff918fd6dc>] copy_process+0x65c/0x20e0

 6366 08:45:39.565593  # [   56.307039] softirqs last  enabled at (0): [<ffffffff918fd6dc>] copy_process+0x65c/0x20e0

 6367 08:45:39.608071  # [   56.315471] softirqs last disabled at (0):<4>[   56.722551] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common cros_ec_dev snd_soc_acp_da7219mx98357_mach designware_i2s cros_usbpd_notify snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 6368 08:45:39.611585   [<0000000000000000>] 0x0

 6369 08:45:39.615324  # [   56.321995] ---[ end trace 2f8aaab59271fee5 ]---

 6370 08:45:39.621306  # [   56.326873] lkdtm: Negative detected: saturated

 6371 08:45:39.627929  # REFCOUNT_SUB_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok

 6372 08:45:39.638105  ok 49 selftests: lkdtm: REFCOUNT_SUB_AND_TEST_<4>[   56.784633] CPU: 1 PID: 2267 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 6373 08:45:39.641749  NEGATIVE.sh

 6374 08:45:39.645075  # selftests: lkdtm: REFCOUNT_INC_ZERO.sh

 6375 08:45:39.651018  <4>[   56.814806] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 6376 08:45:39.654518  <4>[   56.825748] RIP: 0010:refcount_warn_saturate+0x74/0x110

 6377 08:45:39.674160  <4>[   56.831267] Code: 02 01 e8 89 2d c4 00 0f 0b e9 98 c1 04 01 80 3d d5 ea 36 02 00 75 cb 48 c7 c7 20 4e b7 93 c6 05 c5 ea 36 02 01 e8 66 2d c4 00 <0f> 0b e9 75 c1 04 01 80 3d b4 ea 36 02 00 75 a8 48 c7 c7 f8 4d b7

 6378 08:45:39.680808  <4>[   56.850315] RSP: 0018:ffffa2db0446fe48 EFLAGS: 00010286

 6379 08:45:39.687586  <4>[   56.855847] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000

 6380 08:45:39.693904  <4>[   56.863288] RDX: ffff947f2ad2c620 RSI: ffff947f2ad1bf50 RDI: ffff947f2ad1bf50

 6381 08:45:39.703941  <4>[   56.870743] RBP: ffffffff93c1a3c1 R08: 0000000000000000 R09: 0000000000000000

 6382 08:45:39.710244  <4>[   56.878221] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012

 6383 08:45:39.717418  <4>[   56.885696] R13: ffffa2db0446ff10 R14: ffffa2db0446ff10 R15: ffff947f0433c000

 6384 08:45:39.726996  <4>[   56.893187] FS:  00007f8003bd8580(0000) GS:ffff947f2ad00000(0000) knlGS:0000000000000000

 6385 08:45:39.734015  <4>[   56.901611] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6386 08:45:39.740308  <4>[   56.907657] CR2: 00007f80039a7000 CR3: 0000000105f8c000 CR4: 00000000001506e0

 6387 08:45:39.743526  <4>[   56.915194] Call Trace:

 6388 08:45:39.746940  <4>[   56.918030]  ? __warn+0x80/0x110

 6389 08:45:39.750210  <4>[   56.921619]  ? refcount_warn_saturate+0x74/0x110

 6390 08:45:39.753417  <4>[   56.926663]  ? report_bug+0x9e/0xc0

 6391 08:45:39.760848  <4>[   56.930473]  ? handle_bug+0x41/0x90

 6392 08:45:39.763861  <4>[   56.934313]  ? exc_invalid_op+0x14/0x70

 6393 08:45:39.766713  <4>[   56.938490]  ? asm_exc_invalid_op+0x12/0x20

 6394 08:45:39.773853  <4>[   56.943100]  ? refcount_warn_saturate+0x74/0x110

 6395 08:45:39.776931  <4>[   56.948029]  ? refcount_warn_saturate+0x74/0x110

 6396 08:45:39.783824  <4>[   56.953002]  lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1

 6397 08:45:39.786651  <4>[   56.957711]  direct_entry.cold+0x2c/0x38

 6398 08:45:39.789929  <4>[   56.961899]  full_proxy_write+0x56/0x80

 6399 08:45:39.793384  <4>[   56.965999]  vfs_write+0xea/0x3b0

 6400 08:45:39.797173  <4>[   56.969577]  ksys_write+0x68/0xf0

 6401 08:45:39.800313  <4>[   56.973152]  do_syscall_64+0x33/0x40

 6402 08:45:39.806702  <4>[   56.976989]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6403 08:45:39.810545  <4>[   56.982331] RIP: 0033:0x7f8003ab3473

 6404 08:45:39.830053  <4>[   56.986181] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6405 08:45:39.836868  <4>[   57.005182] RSP: 002b:00007ffd746be568 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6406 08:45:39.843831  <4>[   57.013029] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f8003ab3473

 6407 08:45:39.853396  <4>[   57.020425] RDX: 0000000000000012 RSI: 00007f80039a7000 RDI: 0000000000000001

 6408 08:45:39.860682  <4>[   57.027831] RBP: 00007f80039a7000 R08: 00007f80039a6010 R09: 0000000000000000

 6409 08:45:39.866799  <4>[   57.035222] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6410 08:45:39.873351  <4>[   57.042640] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6411 08:45:39.876606  <4>[   57.050041] irq event stamp: 0

 6412 08:45:39.883209  <4>[   57.053359] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6413 08:45:39.893424  <4>[   57.059889] hardirqs last disabled at (0): [<ffffffff918fd6dc>] copy_process+0x65c/0x20e0

 6414 08:45:39.899867  <4>[   57.068321] softirqs last  enabled at (0): [<ffffffff918fd6dc>] copy_process+0x65c/0x20e0

 6415 08:45:39.906813  <4>[   57.076778] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6416 08:45:39.913358  <4>[   57.083309] ---[ end trace 2f8aaab59271fee6 ]---

 6417 08:45:39.916103  <6>[   57.088198] lkdtm: Zero detected: saturated

 6418 08:45:39.956081  # [   56.504655] lkdtm: Performing direct entry REFCOUNT_INC_ZERO

 6419 08:45:39.962632  # [   56.527494] lkdtm: attempting safe refcount_inc_not_zero() from zero

 6420 08:45:39.966051  # [   56.556311] lkdtm: Good: zero detected

 6421 08:45:39.972754  # [   56.582523] lkdtm: Correctly stayed at zero

 6422 08:45:39.975741  # [   56.609138] lkdtm: attempting bad refcount_inc() from zero

 6423 08:45:39.982867  # [   56.637141] ------------[ cut here ]------------

 6424 08:45:39.986200  # [   56.664166] refcount_t: addition on 0; use-after-free.

 6425 08:45:39.995796  # [   56.691834] WARNING: CPU: 1 PID: 2267 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110

 6426 08:45:40.035110  # [   56.722551] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common cros_ec_dev snd_soc_acp_da7219mx98357_mach designware_i2s cros_usbpd_notify snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 6427 08:45:40.041555  # [   56.784633] CPU: 1 PID: 2267 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 6428 08:45:40.048851  # [   56.814806] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 6429 08:45:40.055225  # [   56.825748] RIP: 0010:refcount_warn_saturate+0x74/0x110

 6430 08:45:40.075453  # [   56.831267] Code: 02 01 e8 89 2d c4 00 0f 0b e9 98 c1 04 01 80 3d d5 ea 36 02 00 75 cb 48 c7 c7 20 4e b7 93 c6 05 c5 ea 36 02 01 e8 66 2d c4 00 <0f> 0b e9 75 c1 04 01 80 3d b4 ea 36 02 00 75 a8 48 c7 c7 f8 4d b7

 6431 08:45:40.078077  # [   56.850315] RSP: 0018:ffffa2db0446fe48 EFLAGS: 00010286

 6432 08:45:40.084384  # [   56.855847] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000

 6433 08:45:40.094914  # [   56.863288] RDX: ffff947f2ad2c620 RSI: ffff947f2ad1bf50 RDI: ffff947f2ad1bf50

 6434 08:45:40.101425  # [   56.870743] RBP: ffffffff93c1a3c1 R08: 0000000000000000 R09: 0000000000000000

 6435 08:45:40.111924  # [   56.878221] R10: 00000000ffffe000 R11<6>[   57.272753] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO

 6436 08:45:40.115377  : 3fffffffffffffff R12: 0000000000000012

 6437 08:45:40.122004  # [   56.885696] R13: ffffa2db0446ff10 R14: ffffa2db0446ff10 R15: ffff947f0433c000

 6438 08:45:40.131274  # [   56.893187] FS:  00007f8003bd8580(0000) GS:ffff947f2ad00000(0000) knlGS:0000000000000000

 6439 08:45:40.138325  # [   56.901611] CS:  0010 DS: 0000<6>[   57.286054] lkdtm: attempting safe refcount_add_not_zero() from zero

 6440 08:45:40.141206   ES: 0000 CR0: 0000000080050033

 6441 08:45:40.151054  # [   56.907657] CR2: 00007f80039a7000 CR3: 0000000105f8c000 CR4: 00000000001506e0

 6442 08:45:40.151649  # [   56.915194] Call Trace:

 6443 08:45:40.154907  # [   56.918030]  ? __warn+0x80/0x110

 6444 08:45:40.161047  # [   56.921619]  ? refcount_warn_saturate+0x74/0x110

 6445 08:45:40.164214  # [   56.926663<6>[   57.314871] lkdtm: Good: zero detected

 6446 08:45:40.167522  ]  ? report_bug+0x9e/0xc0

 6447 08:45:40.170966  # [   56.930473]  ? handle_bug+0x41/0x90

 6448 08:45:40.174299  # [   56.934313]  ? exc_invalid_op+0x14/0x70

 6449 08:45:40.181017  # [   56.938490]  ? asm_exc_invalid_op+0x12/0x20

 6450 08:45:40.184152  # [   56.943100]  ? refcount_warn_saturate+0x74/0x110

 6451 08:45:40.191150  # [   56.948029]  ? refcount_warn_sa<6>[   57.341080] lkdtm: Correctly stayed at zero

 6452 08:45:40.194053  turate+0x74/0x110

 6453 08:45:40.197704  # [   56.953002]  lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1

 6454 08:45:40.204434  # [   56.957711]  direct_entry.cold+0x2c/0x38

 6455 08:45:40.207887  # [   56.961899]  full_proxy_write+0x56/0x80

 6456 08:45:40.211333  # [   56.965999]  vfs_write+0xea/0x3b0

 6457 08:45:40.213868  # [   56.969577]  ksys_write+0x68/0xf0

 6458 08:45:40.220758  # [   56.97<6>[   57.367696] lkdtm: attempting bad refcount_add() from zero

 6459 08:45:40.224133  3152]  do_syscall_64+0x33/0x40

 6460 08:45:40.227130  # [   56.976989]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6461 08:45:40.230697  # [   56.982331] RIP: 0033:0x7f8003ab3473

 6462 08:45:40.247254  # [   56.986181] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0<4>[   57.395689] ------------[ cut here ]------------

 6463 08:45:40.257617   75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6464 08:45:40.263568  # [   57.005182] RSP: 002b:00007ffd746be568 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6465 08:45:40.273418  # [   57.013029] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 0000<4>[   57.422790] refcount_t: addition on 0; use-after-free.

 6466 08:45:40.276731  7f8003ab3473

 6467 08:45:40.283186  # [   57.020425] RDX: 0000000000000012 RSI: 00007f80039a7000 RDI: 0000000000000001

 6468 08:45:40.289788  # [   57.027831] RBP: 00007f80039a7000 R08: 00007f80039a6010 R09: 0000000000000000

 6469 08:45:40.306729  # [   57.035222] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 00000000<4>[   57.450307] WARNING: CPU: 1 PID: 2300 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110

 6470 08:45:40.307290  00000001

 6471 08:45:40.313276  # [   57.042640] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6472 08:45:40.316736  # [   57.050041] irq event stamp: 0

 6473 08:45:40.323411  # [   57.053359] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6474 08:45:40.369251  # [   57.059889] hardirqs last disabled at (0): [<f<4>[   57.481144] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common cros_ec_dev snd_soc_acp_da7219mx98357_mach designware_i2s cros_usbpd_notify snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 6475 08:45:40.372677  fffffff918fd6dc>] copy_process+0x65c/0x20e0

 6476 08:45:40.379191  # [   57.068321] softirqs last  enabled at (0): [<ffffffff918fd6dc>] copy_process+0x65c/0x20e0

 6477 08:45:40.385928  # [   57.076778] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6478 08:45:40.399328  # [   57.083309] ---[ end trace 2f8aaab59<4>[   57.543200] CPU: 1 PID: 2300 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 6479 08:45:40.399887  271fee6 ]---

 6480 08:45:40.402451  # [   57.088198] lkdtm: Zero detected: saturated

 6481 08:45:40.409112  # REFCOUNT_INC_ZERO: saw 'call trace:': ok

 6482 08:45:40.412462  ok 50 selftests: lkdtm: REFCOUNT_INC_ZERO.sh

 6483 08:45:40.415187  # selftests: lkdtm: REFCOUNT_ADD_ZERO.sh

 6484 08:45:40.422302  <4>[   57.573377] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 6485 08:45:40.425385  <4>[   57.596527] RIP: 0010:refcount_warn_saturate+0x74/0x110

 6486 08:45:40.445223  <4>[   57.602088] Code: 02 01 e8 89 2d c4 00 0f 0b e9 98 c1 04 01 80 3d d5 ea 36 02 00 75 cb 48 c7 c7 20 4e b7 93 c6 05 c5 ea 36 02 01 e8 66 2d c4 00 <0f> 0b e9 75 c1 04 01 80 3d b4 ea 36 02 00 75 a8 48 c7 c7 f8 4d b7

 6487 08:45:40.451628  <4>[   57.621131] RSP: 0018:ffffa2db044dfe48 EFLAGS: 00010286

 6488 08:45:40.458508  <4>[   57.626657] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000

 6489 08:45:40.465204  <4>[   57.634094] RDX: ffff947f2ad2c620 RSI: ffff947f2ad1bf50 RDI: ffff947f2ad1bf50

 6490 08:45:40.474913  <4>[   57.641527] RBP: ffffffff93c1a3d3 R08: 0000000000000000 R09: 0000000000000000

 6491 08:45:40.481583  <4>[   57.648970] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012

 6492 08:45:40.488121  <4>[   57.656438] R13: ffffa2db044dff10 R14: ffffa2db044dff10 R15: ffff947f03d7c000

 6493 08:45:40.498276  <4>[   57.663899] FS:  00007f738096f580(0000) GS:ffff947f2ad00000(0000) knlGS:0000000000000000

 6494 08:45:40.501425  <4>[   57.672320] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6495 08:45:40.511419  <4>[   57.678393] CR2: 00007f738076f000 CR3: 00000001027de000 CR4: 00000000001506e0

 6496 08:45:40.514693  <4>[   57.685895] Call Trace:

 6497 08:45:40.518199  <4>[   57.688732]  ? __warn+0x80/0x110

 6498 08:45:40.521307  <4>[   57.692307]  ? refcount_warn_saturate+0x74/0x110

 6499 08:45:40.524814  <4>[   57.697337]  ? report_bug+0x9e/0xc0

 6500 08:45:40.528014  <4>[   57.701210]  ? handle_bug+0x41/0x90

 6501 08:45:40.534710  <4>[   57.705063]  ? exc_invalid_op+0x14/0x70

 6502 08:45:40.537825  <4>[   57.709297]  ? asm_exc_invalid_op+0x12/0x20

 6503 08:45:40.544706  <4>[   57.713838]  ? refcount_warn_saturate+0x74/0x110

 6504 08:45:40.547965  <4>[   57.718854]  ? refcount_warn_saturate+0x74/0x110

 6505 08:45:40.554425  <4>[   57.723807]  lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1

 6506 08:45:40.558263  <4>[   57.728559]  direct_entry.cold+0x2c/0x38

 6507 08:45:40.561244  <4>[   57.732758]  full_proxy_write+0x56/0x80

 6508 08:45:40.564906  <4>[   57.736857]  vfs_write+0xea/0x3b0

 6509 08:45:40.567970  <4>[   57.740434]  ksys_write+0x68/0xf0

 6510 08:45:40.571338  <4>[   57.744010]  do_syscall_64+0x33/0x40

 6511 08:45:40.578200  <4>[   57.747868]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6512 08:45:40.581273  <4>[   57.753187] RIP: 0033:0x7f738087b473

 6513 08:45:40.600965  <4>[   57.757028] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6514 08:45:40.607767  <4>[   57.776033] RSP: 002b:00007ffe46cbbf98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6515 08:45:40.614657  <4>[   57.783877] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f738087b473

 6516 08:45:40.624813  <4>[   57.791267] RDX: 0000000000000012 RSI: 00007f738076f000 RDI: 0000000000000001

 6517 08:45:40.630852  <4>[   57.798659] RBP: 00007f738076f000 R08: 00007f738076e010 R09: 0000000000000000

 6518 08:45:40.637716  <4>[   57.806049] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6519 08:45:40.644310  <4>[   57.813497] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6520 08:45:40.647744  <4>[   57.820902] irq event stamp: 0

 6521 08:45:40.654594  <4>[   57.824230] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6522 08:45:40.664268  <4>[   57.830757] hardirqs last disabled at (0): [<ffffffff918fd6dc>] copy_process+0x65c/0x20e0

 6523 08:45:40.671097  <4>[   57.839189] softirqs last  enabled at (0): [<ffffffff918fd6dc>] copy_process+0x65c/0x20e0

 6524 08:45:40.677570  <4>[   57.847629] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6525 08:45:40.684410  <4>[   57.854151] ---[ end trace 2f8aaab59271fee7 ]---

 6526 08:45:40.687192  <6>[   57.859031] lkdtm: Zero detected: saturated

 6527 08:45:40.725571  # [   57.272753] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO

 6528 08:45:40.732238  # [   57.286054] lkdtm: attempting safe refcount_add_not_zero() from zero

 6529 08:45:40.735480  # [   57.314871] lkdtm: Good: zero detected

 6530 08:45:40.742115  # [   57.341080] lkdtm: Correctly stayed at zero

 6531 08:45:40.745551  # [   57.367696] lkdtm: attempting bad refcount_add() from zero

 6532 08:45:40.751857  # [   57.395689] ------------[ cut here ]------------

 6533 08:45:40.754870  # [   57.422790] refcount_t: addition on 0; use-after-free.

 6534 08:45:40.764940  # [   57.450307] WARNING: CPU: 1 PID: 2300 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110

 6535 08:45:40.804542  # [   57.481144] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common cros_ec_dev snd_soc_acp_da7219mx98357_mach designware_i2s cros_usbpd_notify snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 6536 08:45:40.811400  # [   57.543200] CPU: 1 PID: 2300 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 6537 08:45:40.817907  # [   57.573377] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 6538 08:45:40.824503  # [   57.596527] RIP: 0010:refcount_warn_saturate+0x74/0x110

 6539 08:45:40.844663  # [   57.602088] Code: 02 01 e8 89 2d c4 00 0f 0b e9 98 c1 04 01 80 3d d5 ea 36 02 00 75 cb 48 c7 c7 20 4e b7 93 c6 05 c5 ea 36 02 01 e8 66 2d c4 00 <0f> 0b e9 75 c1 04 01 80 3d b4 ea 36 02 00 75 a8 48 c7 c7 f8 4d b7

 6540 08:45:40.848031  # [   57.621131] RSP: 0018:ffffa2db044dfe48 EFLAGS: 00010286

 6541 08:45:40.857467  # [   57.626657] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000

 6542 08:45:40.863966  # [   57.634094] RDX: ffff947f2ad2c620 RSI: ffff947f2ad1bf50 RDI: ffff947f2ad1bf50

 6543 08:45:40.870543  # [   57.641527] RBP: ffffffff93c1a3d3 R08: 0000000000000000 R09: 0000000000000000

 6544 08:45:40.877501  # [   57.648970] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012

 6545 08:45:40.887303  # [   57.656438] R13: ffffa2d<6>[   58.046567] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED

 6546 08:45:40.890825  b044dff10 R14: ffffa2db044dff10 R15: ffff947f03d7c000

 6547 08:45:40.900240  # [   57.663899] FS:  00007f738096f580(0000) GS:ffff947f2ad00000(0000) knlGS:0000000000000000

 6548 08:45:40.907335  # [   57.672320] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6549 08:45:40.913894  # [   57.678393] CR2: 00007f738076f000<6>[   58.062059] lkdtm: attempting bad refcount_inc() from saturated

 6550 08:45:40.920427   CR3: 00000001027de000 CR4: 00000000001506e0

 6551 08:45:40.920905  # [   57.685895] Call Trace:

 6552 08:45:40.923679  # [   57.688732]  ? __warn+0x80/0x110

 6553 08:45:40.930580  # [   57.692307]  ? refcount_warn_saturate+0x74/0x110

 6554 08:45:40.933825  # [   57.697337]  ? report_bug+0x9e/0xc0

 6555 08:45:40.937146  # [   57.701210]  ? handle_bug+0x41/0x90

 6556 08:45:40.943404  # <4>[   58.090416] ------------[ cut here ]------------

 6557 08:45:40.946786  [   57.705063]  ? exc_invalid_op+0x14/0x70

 6558 08:45:40.950220  # [   57.709297]  ? asm_exc_invalid_op+0x12/0x20

 6559 08:45:40.954093  # [   57.713838]  ? refcount_warn_saturate+0x74/0x110

 6560 08:45:40.960326  # [   57.718854]  ? refcount_warn_saturate+0x74/0x110

 6561 08:45:40.963788  # [   57.723807]  lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1

 6562 08:45:40.970336  <4>[   58.117496] refcount_t: saturated; leaking memory.

 6563 08:45:40.970871  

 6564 08:45:40.973604  # [   57.728559]  direct_entry.cold+0x2c/0x38

 6565 08:45:40.977057  # [   57.732758]  full_proxy_write+0x56/0x80

 6566 08:45:40.980427  # [   57.736857]  vfs_write+0xea/0x3b0

 6567 08:45:40.983333  # [   57.740434]  ksys_write+0x68/0xf0

 6568 08:45:40.986813  # [   57.744010]  do_syscall_64+0x33/0x40

 6569 08:45:40.999805  # [   57.747868]  entry_SYSCALL_64_afte<4>[   58.144772] WARNING: CPU: 1 PID: 2336 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110

 6570 08:45:41.003083  r_hwframe+0x62/0xc7

 6571 08:45:41.006154  # [   57.753187] RIP: 0033:0x7f738087b473

 6572 08:45:41.062452  # [   57.757028] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48<4>[   58.175677] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common cros_ec_dev snd_soc_acp_da7219mx98357_mach designware_i2s cros_usbpd_notify snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 6573 08:45:41.066050   83 ec 28 48 89 54 24 18

 6574 08:45:41.072717  # [   57.776033] RSP: 002b:00007ffe46cbbf98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6575 08:45:41.079310  # [   57.783877] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f738087b473

 6576 08:45:41.092705  # [   57.791267] RDX: 0000000000000012 RSI: 00007f738076f<4>[   58.237717] CPU: 1 PID: 2336 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 6577 08:45:41.095822  000 RDI: 0000000000000001

 6578 08:45:41.102637  # [   57.798659] RBP: 00007f738076f000 R08: 00007f738076e010 R09: 0000000000000000

 6579 08:45:41.108906  # [   57.806049] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6580 08:45:41.122107  # [   57.813497] R13: 0000000000000001 R14: 0000000000020000 <4>[   58.267855] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 6581 08:45:41.122674  R15: 0000000000020000

 6582 08:45:41.125470  # [   57.820902] irq event stamp: 0

 6583 08:45:41.132192  # [   57.824230] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6584 08:45:41.142409  # [   57.830757] hardirqs last disabled at (0): [<ffffffff918fd6dc>] copy_process+0x65c/0x20e0

 6585 08:45:41.148999  # [   57.839189] softirqs <4>[   58.296215] RIP: 0010:refcount_warn_saturate+0x51/0x110

 6586 08:45:41.155404  last  enabled at (0): [<ffffffff918fd6dc>] copy_process+0x65c/0x20e0

 6587 08:45:41.162191  # [   57.847629] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6588 08:45:41.165680  # [   57.854151] ---[ end trace 2f8aaab59271fee7 ]---

 6589 08:45:41.168652  # [   57.859031] lkdtm: Zero detected: saturated

 6590 08:45:41.188927  # REFCO<4>[   58.323857] Code: 84 bc 00 00 00 e9 bf c1 04 01 85 f6 74 46 80 3d f9 ea 36 02 00 75 ee 48 c7 c7 f8 4d b7 93 c6 05 e9 ea 36 02 01 e8 89 2d c4 00 <0f> 0b e9 98 c1 04 01 80 3d d5 ea 36 02 00 75 cb 48 c7 c7 20 4e b7

 6591 08:45:41.191535  UNT_ADD_ZERO: saw 'call trace:': ok

 6592 08:45:41.198594  ok 51 selftests: lkdtm: REFCOUNT_ADD_ZERO.sh

 6593 08:45:41.201707  # selftests: lkdtm: REFCOUNT_INC_SATURATED.sh

 6594 08:45:41.205046  <4>[   58.365056] RSP: 0018:ffffa2db0454fe48 EFLAGS: 00010286

 6595 08:45:41.214483  <4>[   58.381782] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000

 6596 08:45:41.221775  <4>[   58.389235] RDX: ffff947f2ad2c620 RSI: ffff947f2ad1bf50 RDI: ffff947f2ad1bf50

 6597 08:45:41.227996  <4>[   58.396678] RBP: ffffffff93c1a3e5 R08: 0000000000000000 R09: 0000000000000000

 6598 08:45:41.234718  <4>[   58.404123] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017

 6599 08:45:41.244548  <4>[   58.411587] R13: ffffa2db0454ff10 R14: ffffa2db0454ff10 R15: ffff947f03f7d000

 6600 08:45:41.251308  <4>[   58.419072] FS:  00007f353c15f580(0000) GS:ffff947f2ad00000(0000) knlGS:0000000000000000

 6601 08:45:41.257557  <4>[   58.427512] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6602 08:45:41.264494  <4>[   58.433605] CR2: 00007f353bf5f000 CR3: 00000001028ca000 CR4: 00000000001506e0

 6603 08:45:41.267634  <4>[   58.441079] Call Trace:

 6604 08:45:41.271175  <4>[   58.443886]  ? __warn+0x80/0x110

 6605 08:45:41.277419  <4>[   58.447459]  ? refcount_warn_saturate+0x51/0x110

 6606 08:45:41.280828  <4>[   58.452429]  ? report_bug+0x9e/0xc0

 6607 08:45:41.284487  <4>[   58.456262]  ? handle_bug+0x41/0x90

 6608 08:45:41.287576  <4>[   58.460074]  ? exc_invalid_op+0x14/0x70

 6609 08:45:41.294272  <4>[   58.464257]  ? asm_exc_invalid_op+0x12/0x20

 6610 08:45:41.297806  <4>[   58.468779]  ? refcount_warn_saturate+0x51/0x110

 6611 08:45:41.303848  <4>[   58.473837]  ? refcount_warn_saturate+0x51/0x110

 6612 08:45:41.307116  <4>[   58.478779]  lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64

 6613 08:45:41.313801  <4>[   58.484050]  direct_entry.cold+0x2c/0x38

 6614 08:45:41.317371  <4>[   58.488293]  full_proxy_write+0x56/0x80

 6615 08:45:41.320437  <4>[   58.492438]  vfs_write+0xea/0x3b0

 6616 08:45:41.323886  <4>[   58.496028]  ksys_write+0x68/0xf0

 6617 08:45:41.327529  <4>[   58.499605]  do_syscall_64+0x33/0x40

 6618 08:45:41.333865  <4>[   58.503443]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6619 08:45:41.337495  <4>[   58.508753] RIP: 0033:0x7f353c06b473

 6620 08:45:41.357277  <4>[   58.512588] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6621 08:45:41.364369  <4>[   58.531611] RSP: 002b:00007ffcbdad11a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6622 08:45:41.370918  <4>[   58.539441] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f353c06b473

 6623 08:45:41.380334  <4>[   58.546839] RDX: 0000000000000017 RSI: 00007f353bf5f000 RDI: 0000000000000001

 6624 08:45:41.386840  <4>[   58.554230] RBP: 00007f353bf5f000 R08: 00007f353bf5e010 R09: 0000000000000000

 6625 08:45:41.393709  <4>[   58.561637] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6626 08:45:41.400214  <4>[   58.569026] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6627 08:45:41.403186  <4>[   58.576424] irq event stamp: 0

 6628 08:45:41.410054  <4>[   58.579742] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6629 08:45:41.420327  <4>[   58.586268] hardirqs last disabled at (0): [<ffffffff918fd6dc>] copy_process+0x65c/0x20e0

 6630 08:45:41.426571  <4>[   58.594744] softirqs last  enabled at (0): [<ffffffff918fd6dc>] copy_process+0x65c/0x20e0

 6631 08:45:41.433131  <4>[   58.603181] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6632 08:45:41.440341  <4>[   58.609718] ---[ end trace 2f8aaab59271fee8 ]---

 6633 08:45:41.443239  <6>[   58.614595] lkdtm: Saturation detected: still saturated

 6634 08:45:41.482311  # [   58.046567] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED

 6635 08:45:41.488756  # [   58.062059] lkdtm: attempting bad refcount_inc() from saturated

 6636 08:45:41.495148  # [   58.090416] ------------[ cut here ]------------

 6637 08:45:41.498553  # [   58.117496] refcount_t: saturated; leaking memory.

 6638 08:45:41.508156  # [   58.144772] WARNING: CPU: 1 PID: 2336 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110

 6639 08:45:41.548159  # [   58.175677] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common cros_ec_dev snd_soc_acp_da7219mx98357_mach designware_i2s cros_usbpd_notify snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 6640 08:45:41.554731  # [   58.237717] CPU: 1 PID: 2336 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 6641 08:45:41.561106  # [   58.267855] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 6642 08:45:41.567754  # [   58.296215] RIP: 0010:refcount_warn_saturate+0x51/0x110

 6643 08:45:41.584050  # [   58.323857] Code: 84 bc 00 00 00 e9 bf c1 04 01 85 f6 74 46 80 3d f9 ea 36 02 00 75 ee 48 c7 c7 f8 4d b7 93 c6 05 e9 ea 36 02 01 e8 89 2d c4 00 <0f> 0b e9 98 c1 04 01 80 3d d5 ea 36 02 00 75 cb 48 c7 c7 20 4e b7

 6644 08:45:41.590776  # [   58.365056] RSP: 0018:ffffa2db0454fe48 EFLAGS: 00010286

 6645 08:45:41.597229  # [   58.381782] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000

 6646 08:45:41.604600  # [   58.389235] RDX: ffff947f2ad2c620 RSI: ffff947f2ad1bf50 RDI: ffff947f2ad1bf50

 6647 08:45:41.613847  # [   58.396678] RBP: ffffffff93c1a3e5 R08: 0000000000000000 R09: 0000000000000000

 6648 08:45:41.620372  # [   58.404123] R10: 000<6>[   58.771970] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED

 6649 08:45:41.627379  00000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017

 6650 08:45:41.633846  # [   58.411587] R13: ffffa2db0454ff10 R14: ffffa2db0454ff10 R15: ffff947f03f7d000

 6651 08:45:41.640443  # [   58.419072] FS:  00007f353c15f580(0000) GS:ffff947f2ad00000(0000) knlGS:0000000000000000

 6652 08:45:41.650357  # [   58.427512] C<6>[   58.797199] lkdtm: attempting bad refcount_dec() from saturated

 6653 08:45:41.653892  S:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6654 08:45:41.660497  # [   58.433605] CR2: 00007f353bf5f000 CR3: 00000001028ca000 CR4: 00000000001506e0

 6655 08:45:41.663692  # [   58.441079] Call Trace:

 6656 08:45:41.666987  # [   58.443886]  ? __warn+0x80/0x110

 6657 08:45:41.676975  # [   58.447459]  ? refcount_warn_saturate+0x51/0x110<4>[   58.825554] ------------[ cut here ]------------

 6658 08:45:41.677059  

 6659 08:45:41.680330  # [   58.452429]  ? report_bug+0x9e/0xc0

 6660 08:45:41.683275  # [   58.456262]  ? handle_bug+0x41/0x90

 6661 08:45:41.686847  # [   58.460074]  ? exc_invalid_op+0x14/0x70

 6662 08:45:41.693327  # [   58.464257]  ? asm_exc_invalid_op+0x12/0x20

 6663 08:45:41.696967  # [   58.468779]  ? refcount_warn_saturate+0x51/0x110

 6664 08:45:41.703310  # [   58.473837]  ?<4>[   58.852652] refcount_t: decrement hit 0; leaking memory.

 6665 08:45:41.707146   refcount_warn_saturate+0x51/0x110

 6666 08:45:41.713239  # [   58.478779]  lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64

 6667 08:45:41.716809  # [   58.484050]  direct_entry.cold+0x2c/0x38

 6668 08:45:41.719724  # [   58.488293]  full_proxy_write+0x56/0x80

 6669 08:45:41.723080  # [   58.492438]  vfs_write+0xea/0x3b0

 6670 08:45:41.736431  # [   58.496028]  ksys_write+<4>[   58.880570] WARNING: CPU: 1 PID: 2372 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110

 6671 08:45:41.736512  0x68/0xf0

 6672 08:45:41.739680  # [   58.499605]  do_syscall_64+0x33/0x40

 6673 08:45:41.746145  # [   58.503443]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6674 08:45:41.749438  # [   58.508753] RIP: 0033:0x7f353c06b473

 6675 08:45:41.795847  # [   58.512588] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 0<4>[   58.911309] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common cros_ec_dev snd_soc_acp_da7219mx98357_mach designware_i2s cros_usbpd_notify snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 6676 08:45:41.808833  4 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6677 08:45:41.815486  # [   58.531611] RSP: 002b:00007ffcbdad11a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6678 08:45:41.828845  # [   58.539441] RAX: ffffffffffffffda RBX: 0000<4>[   58.973349] CPU: 1 PID: 2372 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 6679 08:45:41.831795  000000000017 RCX: 00007f353c06b473

 6680 08:45:41.838593  # [   58.546839] RDX: 0000000000000017 RSI: 00007f353bf5f000 RDI: 0000000000000001

 6681 08:45:41.845171  # [   58.554230] RBP: 00007f353bf5f000 R08: 00007f353bf5e010 R09: 0000000000000000

 6682 08:45:41.854985  # [   58.561637] R10: fffffffffffffbc5 R11: 00000000<4>[   59.003541] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 6683 08:45:41.858375  00000246 R12: 0000000000000001

 6684 08:45:41.864764  # [   58.569026] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6685 08:45:41.868195  # [   58.576424] irq event stamp: 0

 6686 08:45:41.874718  # [   58.579742] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6687 08:45:41.884792  # [   58.586268] hardirqs las<4>[   59.031855] RIP: 0010:refcount_warn_saturate+0xfb/0x110

 6688 08:45:41.887954  t disabled at (0): [<ffffffff918fd6dc>] copy_process+0x65c/0x20e0

 6689 08:45:41.897898  # [   58.594744] softirqs last  enabled at (0): [<ffffffff918fd6dc>] copy_process+0x65c/0x20e0

 6690 08:45:41.904459  # [   58.603181] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6691 08:45:41.924639  # [   58.609718] --<4>[   59.059512] Code: a8 4e b7 93 c6 05 55 ea 36 02 01 e8 f9 2c c4 00 0f 0b e9 08 c1 04 01 48 c7 c7 78 4e b7 93 c6 05 3c ea 36 02 01 e8 df 2c c4 00 <0f> 0b e9 ee c0 04 01 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b

 6692 08:45:41.927887  -[ end trace 2f8aaab59271fee8 ]---

 6693 08:45:41.934372  # [   58.614595] lkdtm: Saturation detected: still saturated

 6694 08:45:41.941224  # REFCOUNT_INC_SATURATED: saw 'Saturation detected: still saturated': ok

 6695 08:45:41.944887  ok 52 selftests: lkdtm: REFCOUNT_INC_SATURATED.sh

 6696 08:45:41.951186  # selftests: lkdtm: REFCOUNT_DEC_<4>[   59.100684] RSP: 0018:ffffa2db045c7e48 EFLAGS: 00010286

 6697 08:45:41.954662  SATURATED.sh

 6698 08:45:41.960804  <4>[   59.128378] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000

 6699 08:45:41.967446  <4>[   59.136945] RDX: ffff947f2ad2c620 RSI: ffff947f2ad1bf50 RDI: ffff947f2ad1bf50

 6700 08:45:41.974489  <4>[   59.144363] RBP: ffffffff93c1a3fc R08: 0000000000000000 R09: 0000000000000000

 6701 08:45:41.984354  <4>[   59.151777] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017

 6702 08:45:41.990651  <4>[   59.159200] R13: ffffa2db045c7f10 R14: ffffa2db045c7f10 R15: ffff947f03436000

 6703 08:45:41.997305  <4>[   59.166615] FS:  00007fc8936d2580(0000) GS:ffff947f2ad00000(0000) knlGS:0000000000000000

 6704 08:45:42.004462  <4>[   59.174998] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6705 08:45:42.014000  <4>[   59.181020] CR2: 00007fc89349f000 CR3: 0000000106576000 CR4: 00000000001506e0

 6706 08:45:42.014096  <4>[   59.188459] Call Trace:

 6707 08:45:42.017228  <4>[   59.191200]  ? __warn+0x80/0x110

 6708 08:45:42.023984  <4>[   59.194745]  ? refcount_warn_saturate+0xfb/0x110

 6709 08:45:42.027462  <4>[   59.199655]  ? report_bug+0x9e/0xc0

 6710 08:45:42.030778  <4>[   59.203464]  ? handle_bug+0x41/0x90

 6711 08:45:42.034404  <4>[   59.207237]  ? exc_invalid_op+0x14/0x70

 6712 08:45:42.040751  <4>[   59.211412]  ? asm_exc_invalid_op+0x12/0x20

 6713 08:45:42.043738  <4>[   59.215939]  ? refcount_warn_saturate+0xfb/0x110

 6714 08:45:42.050440  <4>[   59.220940]  ? refcount_warn_saturate+0xfb/0x110

 6715 08:45:42.053957  <4>[   59.225897]  lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f

 6716 08:45:42.060387  <4>[   59.231149]  direct_entry.cold+0x2c/0x38

 6717 08:45:42.063704  <4>[   59.235456]  full_proxy_write+0x56/0x80

 6718 08:45:42.066946  <4>[   59.239649]  vfs_write+0xea/0x3b0

 6719 08:45:42.070472  <4>[   59.243359]  ksys_write+0x68/0xf0

 6720 08:45:42.074038  <4>[   59.247032]  do_syscall_64+0x33/0x40

 6721 08:45:42.080421  <4>[   59.251075]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6722 08:45:42.083608  <4>[   59.256590] RIP: 0033:0x7fc8935ab473

 6723 08:45:42.103615  <4>[   59.260488] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6724 08:45:42.110151  <4>[   59.279531] RSP: 002b:00007ffc227bfd18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6725 08:45:42.120149  <4>[   59.287369] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fc8935ab473

 6726 08:45:42.126617  <4>[   59.294774] RDX: 0000000000000017 RSI: 00007fc89349f000 RDI: 0000000000000001

 6727 08:45:42.133454  <4>[   59.302169] RBP: 00007fc89349f000 R08: 00007fc89349e010 R09: 0000000000000000

 6728 08:45:42.140399  <4>[   59.309562] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6729 08:45:42.150208  <4>[   59.316970] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6730 08:45:42.153454  <4>[   59.324368] irq event stamp: 0

 6731 08:45:42.156921  <4>[   59.327686] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6732 08:45:42.166719  <4>[   59.334214] hardirqs last disabled at (0): [<ffffffff918fd6dc>] copy_process+0x65c/0x20e0

 6733 08:45:42.176731  <4>[   59.342645] softirqs last  enabled at (0): [<ffffffff918fd6dc>] copy_process+0x65c/0x20e0

 6734 08:45:42.183389  <4>[   59.351102] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6735 08:45:42.186794  <4>[   59.357632] ---[ end trace 2f8aaab59271fee9 ]---

 6736 08:45:42.192997  <6>[   59.362521] lkdtm: Saturation detected: still saturated

 6737 08:45:42.232871  # [   58.771970] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED

 6738 08:45:42.239235  # [   58.797199] lkdtm: attempting bad refcount_dec() from saturated

 6739 08:45:42.246205  # [   58.825554] ------------[ cut here ]------------

 6740 08:45:42.249198  # [   58.852652] refcount_t: decrement hit 0; leaking memory.

 6741 08:45:42.259113  # [   58.880570] WARNING: CPU: 1 PID: 2372 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110

 6742 08:45:42.298984  # [   58.911309] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common cros_ec_dev snd_soc_acp_da7219mx98357_mach designware_i2s cros_usbpd_notify snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 6743 08:45:42.305635  # [   58.973349] CPU: 1 PID: 2372 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 6744 08:45:42.312021  # [   59.003541] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 6745 08:45:42.318866  # [   59.031855] RIP: 0010:refcount_warn_saturate+0xfb/0x110

 6746 08:45:42.338651  # [   59.059512] Code: a8 4e b7 93 c6 05 55 ea 36 02 01 e8 f9 2c c4 00 0f 0b e9 08 c1 04 01 48 c7 c7 78 4e b7 93 c6 05 3c ea 36 02 01 e8 df 2c c4 00 <0f> 0b e9 ee c0 04 01 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b

 6747 08:45:42.341785  # [   59.100684] RSP: 0018:ffffa2db045c7e48 EFLAGS: 00010286

 6748 08:45:42.349044  # [   59.128378] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000

 6749 08:45:42.358798  # [   59.136945] RDX: ffff947f2ad2c620 RSI: ffff947f2ad1bf50 RDI: ffff947f2ad1bf50

 6750 08:45:42.364974  # [   59.144363] RBP: ffffffff93c1a3fc R08: 0000000000000000 R09: 0000000000000000

 6751 08:45:42.371741  # [   59.151777] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017

 6752 08:45:42.378434  # [   59.159200] R13: ffffa2db045c7f10 R14: ffffa2db045c7f10 R15: ffff947f03436000

 6753 08:45:42.388061  # [   59.166615] FS:  00007fc8936d2580(0000) GS:fff<6>[   59.540769] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED

 6754 08:45:42.394750  f947f2ad00000(0000) knlGS:0000000000000000

 6755 08:45:42.398397  # [   59.174998] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6756 08:45:42.408217  # [   59.181020] CR2: 00007fc89349f000 CR3: 0000000106576000 CR4: 00000000001506e0

 6757 08:45:42.408637  # [   59.188459] Call Trace:

 6758 08:45:42.418035  # [   59.191200]  ? __warn+0x8<6>[   59.565100] lkdtm: attempting bad refcount_dec() from saturated

 6759 08:45:42.418457  0/0x110

 6760 08:45:42.424922  # [   59.194745]  ? refcount_warn_saturate+0xfb/0x110

 6761 08:45:42.427912  # [   59.199655]  ? report_bug+0x9e/0xc0

 6762 08:45:42.431097  # [   59.203464]  ? handle_bug+0x41/0x90

 6763 08:45:42.434331  # [   59.207237]  ? exc_invalid_op+0x14/0x70

 6764 08:45:42.437788  # [   59.211412]  ? asm_exc_invalid_op+0x12/0x20

 6765 08:45:42.444223  # [   59.215<4>[   59.593485] ------------[ cut here ]------------

 6766 08:45:42.447980  939]  ? refcount_warn_saturate+0xfb/0x110

 6767 08:45:42.454243  # [   59.220940]  ? refcount_warn_saturate+0xfb/0x110

 6768 08:45:42.457614  # [   59.225897]  lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f

 6769 08:45:42.464196  # [   59.231149]  direct_entry.cold+0x2c/0x38

 6770 08:45:42.467660  # [   59.235456]  full_proxy_write+0x56/0x80

 6771 08:45:42.470638  # [   5<4>[   59.620562] refcount_t: saturated; leaking memory.

 6772 08:45:42.474339  9.239649]  vfs_write+0xea/0x3b0

 6773 08:45:42.477697  # [   59.243359]  ksys_write+0x68/0xf0

 6774 08:45:42.480862  # [   59.247032]  do_syscall_64+0x33/0x40

 6775 08:45:42.487123  # [   59.251075]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6776 08:45:42.490371  # [   59.256590] RIP: 0033:0x7fc8935ab473

 6777 08:45:42.503790  # [   59.260488] Code: 8b 15 21 2a 0e<4>[   59.647861] WARNING: CPU: 1 PID: 2408 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110

 6778 08:45:42.520690   00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6779 08:45:42.566373  # [   59.279531] RSP: 002b:00007ffc227bfd18 EFLAGS: 00000246 ORIG_RAX: 0000<4>[   59.678722] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common cros_ec_dev snd_soc_acp_da7219mx98357_mach designware_i2s cros_usbpd_notify snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 6780 08:45:42.566864  000000000001

 6781 08:45:42.573037  # [   59.287369] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fc8935ab473

 6782 08:45:42.579739  # [   59.294774] RDX: 0000000000000017 RSI: 00007fc89349f000 RDI: 0000000000000001

 6783 08:45:42.596487  # [   59.302169] RBP: 00007fc89349f000 R08: 00007fc89349e010 R09: 00000000<4>[   59.740765] CPU: 1 PID: 2408 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 6784 08:45:42.597030  00000000

 6785 08:45:42.603302  # [   59.309562] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6786 08:45:42.609565  # [   59.316970] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6787 08:45:42.612662  # [   59.324368] irq event stamp: 0

 6788 08:45:42.622584  # [   59.327686] hardirqs last  enabled a<4>[   59.770916] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 6789 08:45:42.626121  t (0): [<0000000000000000>] 0x0

 6790 08:45:42.636363  # [   59.334214] hardirqs last disabled at (0): [<ffffffff918fd6dc>] copy_process+0x65c/0x20e0

 6791 08:45:42.643218  # [   59.342645] softirqs last  enabled at (0): [<ffffffff918fd6dc>] copy_process+0x65c/0x20e0

 6792 08:45:42.652480  # [   59.351102] softirqs last <4>[   59.799239] RIP: 0010:refcount_warn_saturate+0x51/0x110

 6793 08:45:42.655687  disabled at (0): [<0000000000000000>] 0x0

 6794 08:45:42.659043  # [   59.357632] ---[ end trace 2f8aaab59271fee9 ]---

 6795 08:45:42.665978  # [   59.362521] lkdtm: Saturation detected: still saturated

 6796 08:45:42.672367  # REFCOUNT_DEC_SATURATED: saw 'Saturation detected: still saturated': ok

 6797 08:45:42.692300  ok 53 selftests: lkdtm<4>[   59.826908] Code: 84 bc 00 00 00 e9 bf c1 04 01 85 f6 74 46 80 3d f9 ea 36 02 00 75 ee 48 c7 c7 f8 4d b7 93 c6 05 e9 ea 36 02 01 e8 89 2d c4 00 <0f> 0b e9 98 c1 04 01 80 3d d5 ea 36 02 00 75 cb 48 c7 c7 20 4e b7

 6798 08:45:42.695624  : REFCOUNT_DEC_SATURATED.sh

 6799 08:45:42.698571  # selftests: lkdtm: REFCOUNT_ADD_SATURATED.sh

 6800 08:45:42.705473  <4>[   59.868091] RSP: 0018:ffffa2db0463fe48 EFLAGS: 00010286

 6801 08:45:42.712076  <4>[   59.880160] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000

 6802 08:45:42.718929  <4>[   59.887585] RDX: ffff947f2ad2c620 RSI: ffff947f2ad1bf50 RDI: ffff947f2ad1bf50

 6803 08:45:42.725324  <4>[   59.895033] RBP: ffffffff93c1a413 R08: 0000000000000000 R09: 0000000000000000

 6804 08:45:42.735213  <4>[   59.902478] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017

 6805 08:45:42.741631  <4>[   59.909918] R13: ffffa2db0463ff10 R14: ffffa2db0463ff10 R15: ffff947f03a0d000

 6806 08:45:42.752231  <4>[   59.917365] FS:  00007f361a75f580(0000) GS:ffff947f2ad00000(0000) knlGS:0000000000000000

 6807 08:45:42.755125  <4>[   59.925766] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6808 08:45:42.765459  <4>[   59.931850] CR2: 00007f361a55f000 CR3: 000000010578e000 CR4: 00000000001506e0

 6809 08:45:42.765982  <4>[   59.939327] Call Trace:

 6810 08:45:42.768460  <4>[   59.942093]  ? __warn+0x80/0x110

 6811 08:45:42.774984  <4>[   59.945669]  ? refcount_warn_saturate+0x51/0x110

 6812 08:45:42.778303  <4>[   59.950677]  ? report_bug+0x9e/0xc0

 6813 08:45:42.781898  <4>[   59.954488]  ? handle_bug+0x41/0x90

 6814 08:45:42.788372  <4>[   59.958467]  ? exc_invalid_op+0x14/0x70

 6815 08:45:42.791546  <4>[   59.962664]  ? asm_exc_invalid_op+0x12/0x20

 6816 08:45:42.795488  <4>[   59.967199]  ? refcount_warn_saturate+0x51/0x110

 6817 08:45:42.801711  <4>[   59.972202]  ? refcount_warn_saturate+0x51/0x110

 6818 08:45:42.807957  <4>[   59.977208]  lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64

 6819 08:45:42.811356  <4>[   59.982461]  direct_entry.cold+0x2c/0x38

 6820 08:45:42.815031  <4>[   59.986737]  full_proxy_write+0x56/0x80

 6821 08:45:42.818235  <4>[   59.990893]  vfs_write+0xea/0x3b0

 6822 08:45:42.821673  <4>[   59.994481]  ksys_write+0x68/0xf0

 6823 08:45:42.824824  <4>[   59.998060]  do_syscall_64+0x33/0x40

 6824 08:45:42.831497  <4>[   60.001898]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6825 08:45:42.834884  <4>[   60.007207] RIP: 0033:0x7f361a66b473

 6826 08:45:42.855065  <4>[   60.011041] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6827 08:45:42.861273  <4>[   60.030066] RSP: 002b:00007ffda5273648 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6828 08:45:42.871271  <4>[   60.037897] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f361a66b473

 6829 08:45:42.877921  <4>[   60.045289] RDX: 0000000000000017 RSI: 00007f361a55f000 RDI: 0000000000000001

 6830 08:45:42.884390  <4>[   60.052709] RBP: 00007f361a55f000 R08: 00007f361a55e010 R09: 0000000000000000

 6831 08:45:42.891079  <4>[   60.060100] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6832 08:45:42.901319  <4>[   60.067490] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6833 08:45:42.904119  <4>[   60.074889] irq event stamp: 0

 6834 08:45:42.907462  <4>[   60.078206] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6835 08:45:42.917919  <4>[   60.084778] hardirqs last disabled at (0): [<ffffffff918fd6dc>] copy_process+0x65c/0x20e0

 6836 08:45:42.927667  <4>[   60.093219] softirqs last  enabled at (0): [<ffffffff918fd6dc>] copy_process+0x65c/0x20e0

 6837 08:45:42.934262  <4>[   60.101663] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6838 08:45:42.937762  <4>[   60.108187] ---[ end trace 2f8aaab59271feea ]---

 6839 08:45:42.943747  <6>[   60.113065] lkdtm: Saturation detected: still saturated

 6840 08:45:42.981705  # [   59.540769] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED

 6841 08:45:42.988355  # [   59.565100] lkdtm: attempting bad refcount_dec() from saturated

 6842 08:45:42.995051  # [   59.593485] ------------[ cut here ]------------

 6843 08:45:42.998641  # [   59.620562] refcount_t: saturated; leaking memory.

 6844 08:45:43.008193  # [   59.647861] WARNING: CPU: 1 PID: 2408 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110

 6845 08:45:43.048268  # [   59.678722] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common cros_ec_dev snd_soc_acp_da7219mx98357_mach designware_i2s cros_usbpd_notify snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 6846 08:45:43.054993  # [   59.740765] CPU: 1 PID: 2408 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 6847 08:45:43.061159  # [   59.770916] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 6848 08:45:43.067999  # [   59.799239] RIP: 0010:refcount_warn_saturate+0x51/0x110

 6849 08:45:43.084224  # [   59.826908] Code: 84 bc 00 00 00 e9 bf c1 04 01 85 f6 74 46 80 3d f9 ea 36 02 00 75 ee 48 c7 c7 f8 4d b7 93 c6 05 e9 ea 36 02 01 e8 89 2d c4 00 <0f> 0b e9 98 c1 04 01 80 3d d5 ea 36 02 00 75 cb 48 c7 c7 20 4e b7

 6850 08:45:43.091109  # [   59.868091] RSP: 0018:ffffa2db0463fe48 EFLAGS: 00010286

 6851 08:45:43.097679  # [   59.880160] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000

 6852 08:45:43.104377  # [   59.887585] RDX: ffff947f2ad2c620 RSI: ffff947f2ad1bf50 RDI: ffff947f2ad1bf50

 6853 08:45:43.113922  # [   59.895033] RBP: ffffffff93c1a413 R08: 0000000000000000 R09: 0000000000000000

 6854 08:45:43.120678  # [   59.902478] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017

 6855 08:45:43.127557  # [   59.909918] R13: ffffa2db0463ff10 R14: ffffa2db0463ff10 R15: ffff947f03a0d000

 6856 08:45:43.141092  # [   59.917365] FS:  00007f361a75f580(0000) GS:ffff947<6>[   60.292748] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED

 6857 08:45:43.143680  f2ad00000(0000) knlGS:0000000000000000

 6858 08:45:43.147033  # [   59.925766] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6859 08:45:43.157085  # [   59.931850] CR2: 00007f361a55f000 CR3: 000000010578e000 CR4: 00000000001506e0

 6860 08:45:43.157508  # [   59.939327] Call Trace:

 6861 08:45:43.166692  # [   59.942093]  ? __warn+0x80/0x<6>[   60.314801] lkdtm: attempting bad refcount_inc_not_zero() from saturated

 6862 08:45:43.170543  110

 6863 08:45:43.173433  # [   59.945669]  ? refcount_warn_saturate+0x51/0x110

 6864 08:45:43.176749  # [   59.950677]  ? report_bug+0x9e/0xc0

 6865 08:45:43.180112  # [   59.954488]  ? handle_bug+0x41/0x90

 6866 08:45:43.183422  # [   59.958467]  ? exc_invalid_op+0x14/0x70

 6867 08:45:43.189801  # [   59.962664]  ? asm_exc_invalid_op+0x12/0x20

 6868 08:45:43.196856  # [   59.967199]<4>[   60.343954] ------------[ cut here ]------------

 6869 08:45:43.199874    ? refcount_warn_saturate+0x51/0x110

 6870 08:45:43.203555  # [   59.972202]  ? refcount_warn_saturate+0x51/0x110

 6871 08:45:43.210125  # [   59.977208]  lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64

 6872 08:45:43.213084  # [   59.982461]  direct_entry.cold+0x2c/0x38

 6873 08:45:43.216652  # [   59.986737]  full_proxy_write+0x56/0x80

 6874 08:45:43.223206  # [   59.99<4>[   60.371048] refcount_t: saturated; leaking memory.

 6875 08:45:43.226524  0893]  vfs_write+0xea/0x3b0

 6876 08:45:43.229998  # [   59.994481]  ksys_write+0x68/0xf0

 6877 08:45:43.233251  # [   59.998060]  do_syscall_64+0x33/0x40

 6878 08:45:43.236372  # [   60.001898]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6879 08:45:43.242881  # [   60.007207] RIP: 0033:0x7f361a66b473

 6880 08:45:43.252685  # [   60.011041] Code: 8b 15 21 2a 0e 00 <4>[   60.398305] WARNING: CPU: 1 PID: 2441 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110

 6881 08:45:43.269359  f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6882 08:45:43.315402  # [   60.030066] RSP: 002b:00007ffda5273648 EFLAGS: 00000246 ORIG_RAX: 00000000<4>[   60.429207] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common cros_ec_dev snd_soc_acp_da7219mx98357_mach designware_i2s cros_usbpd_notify snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 6883 08:45:43.315998  00000001

 6884 08:45:43.322237  # [   60.037897] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f361a66b473

 6885 08:45:43.332061  # [   60.045289] RDX: 0000000000000017 RSI: 00007f361a55f000 RDI: 0000000000000001

 6886 08:45:43.345441  # [   60.052709] RBP: 00007f361a55f000 R08: 00007f361a55e010 R09: 000000000000<4>[   60.491243] CPU: 1 PID: 2441 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 6887 08:45:43.345884  0000

 6888 08:45:43.355071  # [   60.060100] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6889 08:45:43.362032  # [   60.067490] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6890 08:45:43.364974  # [   60.074889] irq event stamp: 0

 6891 08:45:43.374780  # [   60.078206] hardirqs last  enabled at (0<4>[   60.521385] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 6892 08:45:43.378148  ): [<0000000000000000>] 0x0

 6893 08:45:43.384692  # [   60.084778] hardirqs last disabled at (0): [<ffffffff918fd6dc>] copy_process+0x65c/0x20e0

 6894 08:45:43.394778  # [   60.093219] softirqs last  enabled at (0): [<ffffffff918fd6dc>] copy_process+0x65c/0x20e0

 6895 08:45:43.401835  # [   60.101663] softirqs last disa<4>[   60.549765] RIP: 0010:refcount_warn_saturate+0x97/0x110

 6896 08:45:43.404930  bled at (0): [<0000000000000000>] 0x0

 6897 08:45:43.411611  # [   60.108187] ---[ end trace 2f8aaab59271feea ]---

 6898 08:45:43.414703  # [   60.113065] lkdtm: Saturation detected: still saturated

 6899 08:45:43.421090  # REFCOUNT_ADD_SATURATED: saw 'Saturation detected: still saturated': ok

 6900 08:45:43.444471  ok 54 selftests: lkdtm: RE<4>[   60.577389] Code: 02 01 e8 66 2d c4 00 0f 0b e9 75 c1 04 01 80 3d b4 ea 36 02 00 75 a8 48 c7 c7 f8 4d b7 93 c6 05 a4 ea 36 02 01 e8 43 2d c4 00 <0f> 0b e9 52 c1 04 01 80 3d 8e ea 36 02 00 75 85 48 c7 c7 50 4e b7

 6901 08:45:43.444913  FCOUNT_ADD_SATURATED.sh

 6902 08:45:43.450935  # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh

 6903 08:45:43.454199  <4>[   60.618582] RSP: 0018:ffffa2db046b7e38 EFLAGS: 00010282

 6904 08:45:43.464278  <4>[   60.631064] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000

 6905 08:45:43.470785  <4>[   60.638496] RDX: ffff947f2ad2c620 RSI: ffff947f2ad1bf50 RDI: ffff947f2ad1bf50

 6906 08:45:43.477451  <4>[   60.645920] RBP: ffffffff93c1a040 R08: 0000000000000000 R09: 0000000000000000

 6907 08:45:43.484148  <4>[   60.653351] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020

 6908 08:45:43.494491  <4>[   60.660785] R13: ffffa2db046b7f10 R14: ffffa2db046b7f10 R15: ffff947f036e6000

 6909 08:45:43.500673  <4>[   60.668219] FS:  00007f492b687580(0000) GS:ffff947f2ad00000(0000) knlGS:0000000000000000

 6910 08:45:43.507629  <4>[   60.676624] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 6911 08:45:43.513813  <4>[   60.682701] CR2: 00007f492b487000 CR3: 000000010298a000 CR4: 00000000001506e0

 6912 08:45:43.517234  <4>[   60.690165] Call Trace:

 6913 08:45:43.520102  <4>[   60.692959]  ? __warn+0x80/0x110

 6914 08:45:43.526971  <4>[   60.696532]  ? refcount_warn_saturate+0x97/0x110

 6915 08:45:43.530563  <4>[   60.701508]  ? report_bug+0x9e/0xc0

 6916 08:45:43.533403  <4>[   60.705344]  ? handle_bug+0x41/0x90

 6917 08:45:43.537433  <4>[   60.709200]  ? exc_invalid_op+0x14/0x70

 6918 08:45:43.543737  <4>[   60.713404]  ? asm_exc_invalid_op+0x12/0x20

 6919 08:45:43.547341  <4>[   60.718097]  ? refcount_warn_saturate+0x97/0x110

 6920 08:45:43.553634  <4>[   60.723057]  ? refcount_warn_saturate+0x97/0x110

 6921 08:45:43.556773  <4>[   60.728065]  __refcount_add_not_zero.constprop.0+0x2a/0x35

 6922 08:45:43.563613  <4>[   60.733884]  lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76

 6923 08:45:43.566668  <4>[   60.739879]  direct_entry.cold+0x2c/0x38

 6924 08:45:43.573808  <4>[   60.744100]  full_proxy_write+0x56/0x80

 6925 08:45:43.576760  <4>[   60.748198]  vfs_write+0xea/0x3b0

 6926 08:45:43.580097  <4>[   60.751775]  ksys_write+0x68/0xf0

 6927 08:45:43.583587  <4>[   60.755351]  do_syscall_64+0x33/0x40

 6928 08:45:43.590288  <4>[   60.759187]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6929 08:45:43.593148  <4>[   60.764497] RIP: 0033:0x7f492b593473

 6930 08:45:43.610649  <4>[   60.768333] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6931 08:45:43.620178  <4>[   60.787391] RSP: 002b:00007ffc06bab1a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6932 08:45:43.626874  <4>[   60.795244] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f492b593473

 6933 08:45:43.633660  <4>[   60.802661] RDX: 0000000000000020 RSI: 00007f492b487000 RDI: 0000000000000001

 6934 08:45:43.643679  <4>[   60.810066] RBP: 00007f492b487000 R08: 00007f492b486010 R09: 0000000000000000

 6935 08:45:43.649889  <4>[   60.817463] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6936 08:45:43.656354  <4>[   60.824861] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6937 08:45:43.659780  <4>[   60.832259] irq event stamp: 0

 6938 08:45:43.666377  <4>[   60.835579] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 6939 08:45:43.673023  <4>[   60.842107] hardirqs last disabled at (0): [<ffffffff918fd6dc>] copy_process+0x65c/0x20e0

 6940 08:45:43.682907  <4>[   60.850551] softirqs last  enabled at (0): [<ffffffff918fd6dc>] copy_process+0x65c/0x20e0

 6941 08:45:43.689955  <4>[   60.858981] softirqs last disabled at (0): [<0000000000000000>] 0x0

 6942 08:45:43.693545  <4>[   60.865505] ---[ end trace 2f8aaab59271feeb ]---

 6943 08:45:43.699762  <6>[   60.870384] lkdtm: Saturation detected: still saturated

 6944 08:45:43.742112  # [   60.292748] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED

 6945 08:45:43.748869  # [   60.314801] lkdtm: attempting bad refcount_inc_not_zero() from saturated

 6946 08:45:43.752505  # [   60.343954] ------------[ cut here ]------------

 6947 08:45:43.758868  # [   60.371048] refcount_t: saturated; leaking memory.

 6948 08:45:43.765423  # [   60.398305] WARNING: CPU: 1 PID: 2441 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110

 6949 08:45:43.804617  # [   60.429207] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common cros_ec_dev snd_soc_acp_da7219mx98357_mach designware_i2s cros_usbpd_notify snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 6950 08:45:43.814859  # [   60.491243] CPU: 1 PID: 2441 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 6951 08:45:43.821559  # [   60.521385] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 6952 08:45:43.824959  # [   60.549765] RIP: 0010:refcount_warn_saturate+0x97/0x110

 6953 08:45:43.844686  # [   60.577389] Code: 02 01 e8 66 2d c4 00 0f 0b e9 75 c1 04 01 80 3d b4 ea 36 02 00 75 a8 48 c7 c7 f8 4d b7 93 c6 05 a4 ea 36 02 01 e8 43 2d c4 00 <0f> 0b e9 52 c1 04 01 80 3d 8e ea 36 02 00 75 85 48 c7 c7 50 4e b7

 6954 08:45:43.848024  # [   60.618582] RSP: 0018:ffffa2db046b7e38 EFLAGS: 00010282

 6955 08:45:43.858237  # [   60.631064] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000

 6956 08:45:43.864529  # [   60.638496] RDX: ffff947f2ad2c620 RSI: ffff947f2ad1bf50 RDI: ffff947f2ad1bf50

 6957 08:45:43.871315  # [   60.645920] RBP: ffffffff93c1a040 R08: 0000000000000000 R09: 0000000000000000

 6958 08:45:43.877437  # [   60.653351] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020

 6959 08:45:43.887405  # [   60.660785] R13: ffffa2db046b7f10 R14: ffffa2db046b7f10 R15: ffff947f036e6000

 6960 08:45:43.894312  # [   60.668219] FS:  00007f492b687580(0000) GS:ffff947f2ad00000(0000) knlGS:0000000000000000

 6961 08:45:43.907612  # [   60.676624] CS:  0010 DS: 0000 ES: 0000 CR0: 000<6>[   61.060727] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED

 6962 08:45:43.908150  0000080050033

 6963 08:45:43.914022  # [   60.682701] CR2: 00007f492b487000 CR3: 000000010298a000 CR4: 00000000001506e0

 6964 08:45:43.917487  # [   60.690165] Call Trace:

 6965 08:45:43.921176  # [   60.692959]  ? __warn+0x80/0x110

 6966 08:45:43.924303  # [   60.696532]  ? refcount_warn_saturate+0x97/0x110

 6967 08:45:43.934394  # [   60.701508]  ? report_bug+0x<6>[   61.081530] lkdtm: attempting bad refcount_add_not_zero() from saturated

 6968 08:45:43.937191  9e/0xc0

 6969 08:45:43.940701  # [   60.705344]  ? handle_bug+0x41/0x90

 6970 08:45:43.943860  # [   60.709200]  ? exc_invalid_op+0x14/0x70

 6971 08:45:43.947350  # [   60.713404]  ? asm_exc_invalid_op+0x12/0x20

 6972 08:45:43.954106  # [   60.718097]  ? refcount_warn_saturate+0x97/0x110

 6973 08:45:43.957496  # [   60.723057]  ? refcount_warn_saturate+0x97/0x110

 6974 08:45:43.960348  <4>[   61.110683] ------------[ cut here ]------------

 6975 08:45:43.963965  

 6976 08:45:43.967190  # [   60.728065]  __refcount_add_not_zero.constprop.0+0x2a/0x35

 6977 08:45:43.974116  # [   60.733884]  lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76

 6978 08:45:43.977327  # [   60.739879]  direct_entry.cold+0x2c/0x38

 6979 08:45:43.980535  # [   60.744100]  full_proxy_write+0x56/0x80

 6980 08:45:43.990691  # [   60.748198]  vfs_write+0x<4>[   61.137808] refcount_t: saturated; leaking memory.

 6981 08:45:43.991285  ea/0x3b0

 6982 08:45:43.994371  # [   60.751775]  ksys_write+0x68/0xf0

 6983 08:45:43.997418  # [   60.755351]  do_syscall_64+0x33/0x40

 6984 08:45:44.003765  # [   60.759187]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 6985 08:45:44.007178  # [   60.764497] RIP: 0033:0x7f492b593473

 6986 08:45:44.020189  # [   60.768333] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c<4>[   61.165056] WARNING: CPU: 1 PID: 2474 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110

 6987 08:45:44.034534  7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 6988 08:45:44.043417  # [   60.787391] RSP: 002b:00007ffc06bab1a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 6989 08:45:44.083074  # [   60.<4>[   61.195921] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common cros_ec_dev snd_soc_acp_da7219mx98357_mach designware_i2s cros_usbpd_notify snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 6990 08:45:44.089401  795244] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f492b593473

 6991 08:45:44.096528  # [   60.802661] RDX: 0000000000000020 RSI: 00007f492b487000 RDI: 0000000000000001

 6992 08:45:44.102819  # [   60.810066] RBP: 00007f492b487000 R08: 00007f492b486010 R09: 0000000000000000

 6993 08:45:44.112783  # [   60.8174<4>[   61.257974] CPU: 1 PID: 2474 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 6994 08:45:44.119808  63] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 6995 08:45:44.125825  # [   60.824861] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 6996 08:45:44.129400  # [   60.832259] irq event stamp: 0

 6997 08:45:44.142554  # [   60.835579] hardirqs last  enabled at (0): [<00000000000000<4>[   61.288127] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 6998 08:45:44.143098  00>] 0x0

 6999 08:45:44.148848  # [   60.842107] hardirqs last disabled at (0): [<ffffffff918fd6dc>] copy_process+0x65c/0x20e0

 7000 08:45:44.158988  # [   60.850551] softirqs last  enabled at (0): [<ffffffff918fd6dc>] copy_process+0x65c/0x20e0

 7001 08:45:44.169089  # [   60.858981] softirqs last disabled at (0): [<0000<4>[   61.316468] RIP: 0010:refcount_warn_saturate+0x97/0x110

 7002 08:45:44.169637  000000000000>] 0x0

 7003 08:45:44.175449  # [   60.865505] ---[ end trace 2f8aaab59271feeb ]---

 7004 08:45:44.182053  # [   60.870384] lkdtm: Saturation detected: still saturated

 7005 08:45:44.185404  # REFCOUNT_INC_NOT_ZERO_SATURATED: saw 'call trace:': ok

 7006 08:45:44.191800  ok 55 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh

 7007 08:45:44.208602  #<4>[   61.344118] Code: 02 01 e8 66 2d c4 00 0f 0b e9 75 c1 04 01 80 3d b4 ea 36 02 00 75 a8 48 c7 c7 f8 4d b7 93 c6 05 a4 ea 36 02 01 e8 43 2d c4 00 <0f> 0b e9 52 c1 04 01 80 3d 8e ea 36 02 00 75 85 48 c7 c7 50 4e b7

 7008 08:45:44.215326   selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh

 7009 08:45:44.218088  <4>[   61.385299] RSP: 0018:ffffa2db0472fe38 EFLAGS: 00010282

 7010 08:45:44.228288  <4>[   61.395536] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000

 7011 08:45:44.235023  <4>[   61.402968] RDX: ffff947f2ad2c620 RSI: ffff947f2ad1bf50 RDI: ffff947f2ad1bf50

 7012 08:45:44.241785  <4>[   61.410399] RBP: ffffffff93c1a060 R08: 0000000000000000 R09: 0000000000000000

 7013 08:45:44.248507  <4>[   61.417841] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020

 7014 08:45:44.258105  <4>[   61.425270] R13: ffffa2db0472ff10 R14: ffffa2db0472ff10 R15: ffff947f0571f000

 7015 08:45:44.264742  <4>[   61.432726] FS:  00007f8af6717580(0000) GS:ffff947f2ad00000(0000) knlGS:0000000000000000

 7016 08:45:44.272157  <4>[   61.441138] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 7017 08:45:44.278094  <4>[   61.447227] CR2: 00007f8af6517000 CR3: 0000000103a6c000 CR4: 00000000001506e0

 7018 08:45:44.281240  <4>[   61.454701] Call Trace:

 7019 08:45:44.284635  <4>[   61.457506]  ? __warn+0x80/0x110

 7020 08:45:44.291409  <4>[   61.461088]  ? refcount_warn_saturate+0x97/0x110

 7021 08:45:44.294740  <4>[   61.466082]  ? report_bug+0x9e/0xc0

 7022 08:45:44.297877  <4>[   61.469951]  ? handle_bug+0x41/0x90

 7023 08:45:44.301327  <4>[   61.473817]  ? exc_invalid_op+0x14/0x70

 7024 08:45:44.307874  <4>[   61.478007]  ? asm_exc_invalid_op+0x12/0x20

 7025 08:45:44.311392  <4>[   61.482629]  ? refcount_warn_saturate+0x97/0x110

 7026 08:45:44.317970  <4>[   61.487592]  ? refcount_warn_saturate+0x97/0x110

 7027 08:45:44.321424  <4>[   61.492606]  __refcount_add_not_zero.constprop.0+0x2a/0x35

 7028 08:45:44.327935  <4>[   61.498472]  lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76

 7029 08:45:44.334642  <4>[   61.504472]  direct_entry.cold+0x2c/0x38

 7030 08:45:44.337673  <4>[   61.508693]  full_proxy_write+0x56/0x80

 7031 08:45:44.341435  <4>[   61.512838]  vfs_write+0xea/0x3b0

 7032 08:45:44.344773  <4>[   61.516444]  ksys_write+0x68/0xf0

 7033 08:45:44.347634  <4>[   61.520037]  do_syscall_64+0x33/0x40

 7034 08:45:44.354842  <4>[   61.523897]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 7035 08:45:44.358006  <4>[   61.529211] RIP: 0033:0x7f8af6623473

 7036 08:45:44.377395  <4>[   61.533051] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 7037 08:45:44.384575  <4>[   61.552056] RSP: 002b:00007fff00a1f5d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 7038 08:45:44.390586  <4>[   61.559893] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f8af6623473

 7039 08:45:44.400962  <4>[   61.567283] RDX: 0000000000000020 RSI: 00007f8af6517000 RDI: 0000000000000001

 7040 08:45:44.407259  <4>[   61.574674] RBP: 00007f8af6517000 R08: 00007f8af6516010 R09: 0000000000000000

 7041 08:45:44.414174  <4>[   61.582065] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 7042 08:45:44.421030  <4>[   61.589479] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 7043 08:45:44.423894  <4>[   61.596885] irq event stamp: 0

 7044 08:45:44.430759  <4>[   61.600214] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 7045 08:45:44.440280  <4>[   61.606741] hardirqs last disabled at (0): [<ffffffff918fd6dc>] copy_process+0x65c/0x20e0

 7046 08:45:44.447034  <4>[   61.615173] softirqs last  enabled at (0): [<ffffffff918fd6dc>] copy_process+0x65c/0x20e0

 7047 08:45:44.454075  <4>[   61.623632] softirqs last disabled at (0): [<0000000000000000>] 0x0

 7048 08:45:44.460342  <4>[   61.630155] ---[ end trace 2f8aaab59271feec ]---

 7049 08:45:44.463715  <6>[   61.635034] lkdtm: Saturation detected: still saturated

 7050 08:45:44.509558  # [   61.060727] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED

 7051 08:45:44.515648  # [   61.081530] lkdtm: attempting bad refcount_add_not_zero() from saturated

 7052 08:45:44.519029  # [   61.110683] ------------[ cut here ]------------

 7053 08:45:44.526068  # [   61.137808] refcount_t: saturated; leaking memory.

 7054 08:45:44.532665  # [   61.165056] WARNING: CPU: 1 PID: 2474 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110

 7055 08:45:44.572150  # [   61.195921] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common cros_ec_dev snd_soc_acp_da7219mx98357_mach designware_i2s cros_usbpd_notify snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 7056 08:45:44.582176  # [   61.257974] CPU: 1 PID: 2474 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 7057 08:45:44.585540  # [   61.288127] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 7058 08:45:44.591656  # [   61.316468] RIP: 0010:refcount_warn_saturate+0x97/0x110

 7059 08:45:44.612076  # [   61.344118] Code: 02 01 e8 66 2d c4 00 0f 0b e9 75 c1 04 01 80 3d b4 ea 36 02 00 75 a8 48 c7 c7 f8 4d b7 93 c6 05 a4 ea 36 02 01 e8 43 2d c4 00 <0f> 0b e9 52 c1 04 01 80 3d 8e ea 36 02 00 75 85 48 c7 c7 50 4e b7

 7060 08:45:44.615151  # [   61.385299] RSP: 0018:ffffa2db0472fe38 EFLAGS: 00010282

 7061 08:45:44.625227  # [   61.395536] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000

 7062 08:45:44.631723  # [   61.402968] RDX: ffff947f2ad2c620 RSI: ffff947f2ad1bf50 RDI: ffff947f2ad1bf50

 7063 08:45:44.637909  # [   61.410399] RBP: ffffffff93c1a060 R08: 0000000000000000 R09: 0000000000000000

 7064 08:45:44.644782  # [   61.417841] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020

 7065 08:45:44.651532  # [   61.425270] R13: ffffa2db0472ff10 R14: ffffa2db0472ff10 R15: ffff947f0571f000

 7066 08:45:44.661079  # [   61.432726] FS:  00007f8af6717580(0000) GS:ffff947f2ad00000(0000) knlGS:0000000000000000

 7067 08:45:44.671196  # [   61.441138] CS:  001<6>[   61.824033] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED

 7068 08:45:44.674541  0 DS: 0000 ES: 0000 CR0: 0000000080050033

 7069 08:45:44.680953  # [   61.447227] CR2: 00007f8af6517000 CR3: 0000000103a6c000 CR4: 00000000001506e0

 7070 08:45:44.684658  # [   61.454701] Call Trace:

 7071 08:45:44.687812  # [   61.457506]  ? __warn+0x80/0x110

 7072 08:45:44.691152  # [   61.461088]  ? refcount_warn_saturate+0x97/0x110

 7073 08:45:44.700876  # [  <6>[   61.846077] lkdtm: attempting bad refcount_dec_and_test() from saturated

 7074 08:45:44.704269   61.466082]  ? report_bug+0x9e/0xc0

 7075 08:45:44.707882  # [   61.469951]  ? handle_bug+0x41/0x90

 7076 08:45:44.710655  # [   61.473817]  ? exc_invalid_op+0x14/0x70

 7077 08:45:44.714226  # [   61.478007]  ? asm_exc_invalid_op+0x12/0x20

 7078 08:45:44.720892  # [   61.482629]  ? refcount_warn_saturate+0x97/0x110

 7079 08:45:44.727443  # [   61.487592]  ? refcou<4>[   61.875210] ------------[ cut here ]------------

 7080 08:45:44.730904  nt_warn_saturate+0x97/0x110

 7081 08:45:44.734112  # [   61.492606]  __refcount_add_not_zero.constprop.0+0x2a/0x35

 7082 08:45:44.740575  # [   61.498472]  lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76

 7083 08:45:44.743803  # [   61.504472]  direct_entry.cold+0x2c/0x38

 7084 08:45:44.747754  # [   61.508693]  full_proxy_write+0x56/0x80

 7085 08:45:44.753801  # <4>[   61.902290] refcount_t: underflow; use-after-free.

 7086 08:45:44.757335  [   61.512838]  vfs_write+0xea/0x3b0

 7087 08:45:44.760173  # [   61.516444]  ksys_write+0x68/0xf0

 7088 08:45:44.763892  # [   61.520037]  do_syscall_64+0x33/0x40

 7089 08:45:44.770383  # [   61.523897]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 7090 08:45:44.773644  # [   61.529211] RIP: 0033:0x7f8af6623473

 7091 08:45:44.783320  # [   61.533051] Code: 8b 15 21 <4>[   61.929570] WARNING: CPU: 1 PID: 2510 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110

 7092 08:45:44.799847  2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 7093 08:45:44.846347  # [   61.552056] RSP: 002b:00007fff00a1f5d8 EFLAGS: 00000246 ORIG_RAX:<4>[   61.960468] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common cros_ec_dev snd_soc_acp_da7219mx98357_mach designware_i2s cros_usbpd_notify snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 7094 08:45:44.849523   0000000000000001

 7095 08:45:44.856065  # [   61.559893] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f8af6623473

 7096 08:45:44.862650  # [   61.567283] RDX: 0000000000000020 RSI: 00007f8af6517000 RDI: 0000000000000001

 7097 08:45:44.876040  # [   61.574674] RBP: 00007f8af6517000 R08: 00007f8af6516010 R09: 000<4>[   62.022501] CPU: 1 PID: 2510 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 7098 08:45:44.879241  0000000000000

 7099 08:45:44.885643  # [   61.582065] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 7100 08:45:44.892319  # [   61.589479] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 7101 08:45:44.895647  # [   61.596885] irq event stamp: 0

 7102 08:45:44.905844  # [   61.600214] hardirqs last  enab<4>[   62.052668] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 7103 08:45:44.909079  led at (0): [<0000000000000000>] 0x0

 7104 08:45:44.915829  # [   61.606741] hardirqs last disabled at (0): [<ffffffff918fd6dc>] copy_process+0x65c/0x20e0

 7105 08:45:44.925475  # [   61.615173] softirqs last  enabled at (0): [<ffffffff918fd6dc>] copy_process+0x65c/0x20e0

 7106 08:45:44.931994  # [   61.623632] softirqs <4>[   62.081031] RIP: 0010:refcount_warn_saturate+0xba/0x110

 7107 08:45:44.935736  last disabled at (0): [<0000000000000000>] 0x0

 7108 08:45:44.942065  # [   61.630155] ---[ end trace 2f8aaab59271feec ]---

 7109 08:45:44.945485  # [   61.635034] lkdtm: Saturation detected: still saturated

 7110 08:45:44.952067  # REFCOUNT_ADD_NOT_ZERO_SATURATED: saw 'call trace:': ok

 7111 08:45:44.974828  ok 56 selftests: lkdtm: REFCOUNT_<4>[   62.108631] Code: 02 01 e8 43 2d c4 00 0f 0b e9 52 c1 04 01 80 3d 8e ea 36 02 00 75 85 48 c7 c7 50 4e b7 93 c6 05 7e ea 36 02 01 e8 20 2d c4 00 <0f> 0b e9 2f c1 04 01 80 3d 69 ea 36 02 00 0f 85 5e ff ff ff 48 c7

 7112 08:45:44.974937  ADD_NOT_ZERO_SATURATED.sh

 7113 08:45:44.981515  # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh

 7114 08:45:44.984829  <4>[   62.149827] RSP: 0018:ffffa2db047b7e40 EFLAGS: 00010286

 7115 08:45:44.994864  <4>[   62.162487] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000

 7116 08:45:45.001418  <4>[   62.169900] RDX: ffff947f2ad2c620 RSI: ffff947f2ad1bf50 RDI: ffff947f2ad1bf50

 7117 08:45:45.008239  <4>[   62.177324] RBP: ffffffff93c1a080 R08: 0000000000000000 R09: 0000000000000000

 7118 08:45:45.014542  <4>[   62.184767] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020

 7119 08:45:45.024729  <4>[   62.192179] R13: ffffa2db047b7f10 R14: ffffa2db047b7f10 R15: ffff947f0430a000

 7120 08:45:45.031232  <4>[   62.199636] FS:  00007fc115f22580(0000) GS:ffff947f2ad00000(0000) knlGS:0000000000000000

 7121 08:45:45.037718  <4>[   62.208006] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 7122 08:45:45.044687  <4>[   62.214034] CR2: 00007fc115cef000 CR3: 0000000103a48000 CR4: 00000000001506e0

 7123 08:45:45.047883  <4>[   62.221450] Call Trace:

 7124 08:45:45.051495  <4>[   62.224208]  ? __warn+0x80/0x110

 7125 08:45:45.057899  <4>[   62.227720]  ? refcount_warn_saturate+0xba/0x110

 7126 08:45:45.061427  <4>[   62.232685]  ? report_bug+0x9e/0xc0

 7127 08:45:45.064375  <4>[   62.236477]  ? handle_bug+0x41/0x90

 7128 08:45:45.067777  <4>[   62.240311]  ? exc_invalid_op+0x14/0x70

 7129 08:45:45.074600  <4>[   62.244497]  ? asm_exc_invalid_op+0x12/0x20

 7130 08:45:45.077598  <4>[   62.249068]  ? refcount_warn_saturate+0xba/0x110

 7131 08:45:45.084173  <4>[   62.254024]  __refcount_sub_and_test.constprop.0+0x3c/0x50

 7132 08:45:45.091125  <4>[   62.259937]  lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76

 7133 08:45:45.094088  <4>[   62.265943]  direct_entry.cold+0x2c/0x38

 7134 08:45:45.097803  <4>[   62.270279]  full_proxy_write+0x56/0x80

 7135 08:45:45.100873  <4>[   62.274504]  vfs_write+0xea/0x3b0

 7136 08:45:45.104523  <4>[   62.278226]  ksys_write+0x68/0xf0

 7137 08:45:45.111336  <4>[   62.281861]  do_syscall_64+0x33/0x40

 7138 08:45:45.114512  <4>[   62.285837]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 7139 08:45:45.117688  <4>[   62.291160] RIP: 0033:0x7fc115dfb473

 7140 08:45:45.137291  <4>[   62.294996] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 7141 08:45:45.147820  <4>[   62.314024] RSP: 002b:00007fff71977758 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 7142 08:45:45.154426  <4>[   62.321865] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fc115dfb473

 7143 08:45:45.160603  <4>[   62.329258] RDX: 0000000000000020 RSI: 00007fc115cef000 RDI: 0000000000000001

 7144 08:45:45.167211  <4>[   62.336647] RBP: 00007fc115cef000 R08: 00007fc115cee010 R09: 0000000000000000

 7145 08:45:45.173882  <4>[   62.344054] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 7146 08:45:45.184302  <4>[   62.351444] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 7147 08:45:45.187220  <4>[   62.358843] irq event stamp: 0

 7148 08:45:45.194123  <4>[   62.362161] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 7149 08:45:45.201025  <4>[   62.368689] hardirqs last disabled at (0): [<ffffffff918fd6dc>] copy_process+0x65c/0x20e0

 7150 08:45:45.210406  <4>[   62.377150] softirqs last  enabled at (0): [<ffffffff918fd6dc>] copy_process+0x65c/0x20e0

 7151 08:45:45.217197  <4>[   62.385587] softirqs last disabled at (0): [<0000000000000000>] 0x0

 7152 08:45:45.220233  <4>[   62.392123] ---[ end trace 2f8aaab59271feed ]---

 7153 08:45:45.226974  <6>[   62.397001] lkdtm: Saturation detected: still saturated

 7154 08:45:45.266560  # [   61.824033] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED

 7155 08:45:45.273052  # [   61.846077] lkdtm: attempting bad refcount_dec_and_test() from saturated

 7156 08:45:45.276422  # [   61.875210] ------------[ cut here ]------------

 7157 08:45:45.283158  # [   61.902290] refcount_t: underflow; use-after-free.

 7158 08:45:45.289622  # [   61.929570] WARNING: CPU: 1 PID: 2510 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110

 7159 08:45:45.329544  # [   61.960468] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common cros_ec_dev snd_soc_acp_da7219mx98357_mach designware_i2s cros_usbpd_notify snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 7160 08:45:45.339071  # [   62.022501] CPU: 1 PID: 2510 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 7161 08:45:45.345831  # [   62.052668] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 7162 08:45:45.349207  # [   62.081031] RIP: 0010:refcount_warn_saturate+0xba/0x110

 7163 08:45:45.369050  # [   62.108631] Code: 02 01 e8 43 2d c4 00 0f 0b e9 52 c1 04 01 80 3d 8e ea 36 02 00 75 85 48 c7 c7 50 4e b7 93 c6 05 7e ea 36 02 01 e8 20 2d c4 00 <0f> 0b e9 2f c1 04 01 80 3d 69 ea 36 02 00 0f 85 5e ff ff ff 48 c7

 7164 08:45:45.372597  # [   62.149827] RSP: 0018:ffffa2db047b7e40 EFLAGS: 00010286

 7165 08:45:45.382209  # [   62.162487] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000

 7166 08:45:45.389402  # [   62.169900] RDX: ffff947f2ad2c620 RSI: ffff947f2ad1bf50 RDI: ffff947f2ad1bf50

 7167 08:45:45.402368  # [   62.177324] RBP: ffffffff93c1a080 R08: 0000000000000000 R09: 000000000000000<6>[   62.556208] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED

 7168 08:45:45.402463  0

 7169 08:45:45.408795  # [   62.184767] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020

 7170 08:45:45.418998  # [   62.192179] R13: ffffa2db047b7f10 R14: ffffa2db047b7f10 R15: ffff947f0430a000

 7171 08:45:45.432019  # [   62.199636] FS:  00007fc115f22580(0000) GS:ffff947f2ad00000(0000) knlGS:00000000<6>[   62.578618] lkdtm: attempting bad refcount_sub_and_test() from saturated

 7172 08:45:45.432134  00000000

 7173 08:45:45.438555  # [   62.208006] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 7174 08:45:45.444930  # [   62.214034] CR2: 00007fc115cef000 CR3: 0000000103a48000 CR4: 00000000001506e0

 7175 08:45:45.448372  # [   62.221450] Call Trace:

 7176 08:45:45.451723  # [   62.224208]  ? __warn+0x80/0x110

 7177 08:45:45.458824  # [   62.227720]  ? refco<4>[   62.607764] ------------[ cut here ]------------

 7178 08:45:45.461681  unt_warn_saturate+0xba/0x110

 7179 08:45:45.464933  # [   62.232685]  ? report_bug+0x9e/0xc0

 7180 08:45:45.468145  # [   62.236477]  ? handle_bug+0x41/0x90

 7181 08:45:45.471691  # [   62.240311]  ? exc_invalid_op+0x14/0x70

 7182 08:45:45.477876  # [   62.244497]  ? asm_exc_invalid_op+0x12/0x20

 7183 08:45:45.484997  # [   62.249068]  ? refcount_warn_saturate+0xb<4>[   62.634848] refcount_t: underflow; use-after-free.

 7184 08:45:45.487837  a/0x110

 7185 08:45:45.491378  # [   62.254024]  __refcount_sub_and_test.constprop.0+0x3c/0x50

 7186 08:45:45.497816  # [   62.259937]  lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76

 7187 08:45:45.501329  # [   62.265943]  direct_entry.cold+0x2c/0x38

 7188 08:45:45.507676  # [   62.270279]  full_proxy_write+0x56/0x80

 7189 08:45:45.517571  # [   62.274504]  vfs_<4>[   62.662114] WARNING: CPU: 1 PID: 2546 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110

 7190 08:45:45.517687  write+0xea/0x3b0

 7191 08:45:45.520801  # [   62.278226]  ksys_write+0x68/0xf0

 7192 08:45:45.524440  # [   62.281861]  do_syscall_64+0x33/0x40

 7193 08:45:45.530682  # [   62.285837]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 7194 08:45:45.534283  # [   62.291160] RIP: 0033:0x7fc115dfb473

 7195 08:45:45.580314  # [   62.294996] Code: 8b 15 21 2a 0e 00 f7 d8 64 89<4>[   62.693022] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common cros_ec_dev snd_soc_acp_da7219mx98357_mach designware_i2s cros_usbpd_notify snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 7196 08:45:45.593568   02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 7197 08:45:45.599990  # [   62.314024] RSP: 002b:00007fff71977758 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 7198 08:45:45.610348  #<4>[   62.755046] CPU: 1 PID: 2546 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 7199 08:45:45.616556   [   62.321865] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fc115dfb473

 7200 08:45:45.623228  # [   62.329258] RDX: 0000000000000020 RSI: 00007fc115cef000 RDI: 0000000000000001

 7201 08:45:45.629972  # [   62.336647] RBP: 00007fc115cef000 R08: 00007fc115cee010 R09: 0000000000000000

 7202 08:45:45.636287  # [  <4>[   62.785213] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 7203 08:45:45.642981   62.344054] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 7204 08:45:45.652597  # [   62.351444] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 7205 08:45:45.655931  # [   62.358843] irq event stamp: 0

 7206 08:45:45.665689  # [   62.362161] hardirqs last  enabled at (0): [<000000<4>[   62.813584] RIP: 0010:refcount_warn_saturate+0xba/0x110

 7207 08:45:45.665800  0000000000>] 0x0

 7208 08:45:45.675669  # [   62.368689] hardirqs last disabled at (0): [<ffffffff918fd6dc>] copy_process+0x65c/0x20e0

 7209 08:45:45.682614  # [   62.377150] softirqs last  enabled at (0): [<ffffffff918fd6dc>] copy_process+0x65c/0x20e0

 7210 08:45:45.705208  # [   62.385587] softirqs last disabled at (0)<4>[   62.841221] Code: 02 01 e8 43 2d c4 00 0f 0b e9 52 c1 04 01 80 3d 8e ea 36 02 00 75 85 48 c7 c7 50 4e b7 93 c6 05 7e ea 36 02 01 e8 20 2d c4 00 <0f> 0b e9 2f c1 04 01 80 3d 69 ea 36 02 00 0f 85 5e ff ff ff 48 c7

 7211 08:45:45.708588  : [<0000000000000000>] 0x0

 7212 08:45:45.711938  # [   62.392123] ---[ end trace 2f8aaab59271feed ]---

 7213 08:45:45.718835  # [   62.397001] lkdtm: Saturation detected: still saturated

 7214 08:45:45.725418  # REFCOUNT_DEC_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok

 7215 08:45:45.734960  ok 57 selftests: lkdtm: REFC<4>[   62.882393] RSP: 0018:ffffa2db0482fe40 EFLAGS: 00010286

 7216 08:45:45.738356  OUNT_DEC_AND_TEST_SATURATED.sh

 7217 08:45:45.741867  # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh

 7218 08:45:45.747996  <4>[   62.910047] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000

 7219 08:45:45.755099  <4>[   62.925058] RDX: ffff947f2ad2c620 RSI: ffff947f2ad1bf50 RDI: ffff947f2ad1bf50

 7220 08:45:45.765027  <4>[   62.932491] RBP: ffffffff93c1a0a0 R08: 0000000000000000 R09: 0000000000000000

 7221 08:45:45.771597  <4>[   62.939921] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020

 7222 08:45:45.778330  <4>[   62.947372] R13: ffffa2db0482ff10 R14: ffffa2db0482ff10 R15: ffff947f05c49000

 7223 08:45:45.787992  <4>[   62.954846] FS:  00007fbb50537580(0000) GS:ffff947f2ad00000(0000) knlGS:0000000000000000

 7224 08:45:45.794347  <4>[   62.963230] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 7225 08:45:45.801051  <4>[   62.969303] CR2: 00007fbb50337000 CR3: 0000000105cfa000 CR4: 00000000001506e0

 7226 08:45:45.804675  <4>[   62.976803] Call Trace:

 7227 08:45:45.807602  <4>[   62.979646]  ? __warn+0x80/0x110

 7228 08:45:45.810855  <4>[   62.983219]  ? refcount_warn_saturate+0xba/0x110

 7229 08:45:45.817475  <4>[   62.988179]  ? report_bug+0x9e/0xc0

 7230 08:45:45.821159  <4>[   62.991988]  ? handle_bug+0x41/0x90

 7231 08:45:45.824147  <4>[   62.995927]  ? exc_invalid_op+0x14/0x70

 7232 08:45:45.827416  <4>[   63.000160]  ? asm_exc_invalid_op+0x12/0x20

 7233 08:45:45.833884  <4>[   63.004720]  ? refcount_warn_saturate+0xba/0x110

 7234 08:45:45.840877  <4>[   63.009784]  __refcount_sub_and_test.constprop.0+0x3c/0x50

 7235 08:45:45.844249  <4>[   63.015627]  lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76

 7236 08:45:45.850903  <4>[   63.021613]  direct_entry.cold+0x2c/0x38

 7237 08:45:45.853930  <4>[   63.025825]  full_proxy_write+0x56/0x80

 7238 08:45:45.857743  <4>[   63.029936]  vfs_write+0xea/0x3b0

 7239 08:45:45.860556  <4>[   63.033527]  ksys_write+0x68/0xf0

 7240 08:45:45.863910  <4>[   63.037113]  do_syscall_64+0x33/0x40

 7241 08:45:45.870760  <4>[   63.040954]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 7242 08:45:45.874369  <4>[   63.046269] RIP: 0033:0x7fbb50443473

 7243 08:45:45.894278  <4>[   63.050110] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 7244 08:45:45.900667  <4>[   63.069128] RSP: 002b:00007fff30120e28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 7245 08:45:45.907487  <4>[   63.076955] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fbb50443473

 7246 08:45:45.917022  <4>[   63.084346] RDX: 0000000000000020 RSI: 00007fbb50337000 RDI: 0000000000000001

 7247 08:45:45.923957  <4>[   63.091764] RBP: 00007fbb50337000 R08: 00007fbb50336010 R09: 0000000000000000

 7248 08:45:45.930442  <4>[   63.099161] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 7249 08:45:45.936949  <4>[   63.106565] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 7250 08:45:45.940378  <4>[   63.113960] irq event stamp: 0

 7251 08:45:45.946584  <4>[   63.117280] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 7252 08:45:45.956429  <4>[   63.123838] hardirqs last disabled at (0): [<ffffffff918fd6dc>] copy_process+0x65c/0x20e0

 7253 08:45:45.966288  <4>[   63.132275] softirqs last  enabled at (0): [<ffffffff918fd6dc>] copy_process+0x65c/0x20e0

 7254 08:45:45.972677  <4>[   63.140716] softirqs last disabled at (0): [<0000000000000000>] 0x0

 7255 08:45:45.975992  <4>[   63.147239] ---[ end trace 2f8aaab59271feee ]---

 7256 08:45:45.982662  <6>[   63.152119] lkdtm: Saturation detected: still saturated

 7257 08:45:46.021810  # [   62.556208] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED

 7258 08:45:46.028335  # [   62.578618] lkdtm: attempting bad refcount_sub_and_test() from saturated

 7259 08:45:46.031699  # [   62.607764] ------------[ cut here ]------------

 7260 08:45:46.038497  # [   62.634848] refcount_t: underflow; use-after-free.

 7261 08:45:46.044971  # [   62.662114] WARNING: CPU: 1 PID: 2546 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110

 7262 08:45:46.084941  # [   62.693022] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_charger cros_usbpd_logger gsmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common cros_ec_dev snd_soc_acp_da7219mx98357_mach designware_i2s cros_usbpd_notify snd_soc_max98357a snd_soc_adau7002 snd_soc_da7219 acp_audio_dma chromeos_pstore coreboot_table snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c

 7263 08:45:46.094258  # [   62.755046] CPU: 1 PID: 2546 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 7264 08:45:46.097668  # [   62.785213] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 7265 08:45:46.104418  # [   62.813584] RIP: 0010:refcount_warn_saturate+0xba/0x110

 7266 08:45:46.124137  # [   62.841221] Code: 02 01 e8 43 2d c4 00 0f 0b e9 52 c1 04 01 80 3d 8e ea 36 02 00 75 85 48 c7 c7 50 4e b7 93 c6 05 7e ea 36 02 01 e8 20 2d c4 00 <0f> 0b e9 2f c1 04 01 80 3d 69 ea 36 02 00 0f 85 5e ff ff ff 48 c7

 7267 08:45:46.127608  # [   62.882393] RSP: 0018:ffffa2db0482fe40 EFLAGS: 00010286

 7268 08:45:46.137383  # [   62.910047] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000

 7269 08:45:46.143705  # [   62.925058] RDX: ffff947f2ad2c620 RSI: ffff947f2ad1bf50 RDI: ffff947f2ad1bf50

 7270 08:45:46.150438  # [   62.932491] RBP: ffffffff93c1a0a0 R08: 0000000000000000 R09: 0000000000000000

 7271 08:45:46.156896  # [   62.939921] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020

 7272 08:45:46.167003  # [   62.947372] R13: ffffa2db0482ff10 R14: ffffa2db0482ff10 R15: ffff947f05c49000

 7273 08:45:46.173613  # [   62.954846] FS:  00007fbb50537580(0000) GS:ffff947f2ad00000(0000) knlGS:0000000000000000

 7274 08:45:46.180173  # [   62.963230] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033

 7275 08:45:46.186899  # [   62.969303] CR2: 00007fbb50337000 CR3: 0000000105cfa000 CR4: 00000000001506e0

 7276 08:45:46.190358  # [   62.976803] Call Trace:

 7277 08:45:46.193326  # [   62.979646]  ? __warn+0x80/0x110

 7278 08:45:46.196672  # [   62.983219]  ? refcount_warn_saturate+0xba/0x110

 7279 08:45:46.199918  # [   62.988179]  ? report_bug+0x9e/0xc0

 7280 08:45:46.203264  # [   62.991988]  ? handle_bug+0x41/0x90

 7281 08:45:46.210256  # [   62.995927]  ? exc_invalid_op+0x14/0x70

 7282 08:45:46.213022  # [   63.000160]  ? asm_exc_invalid_op+0x12/0x20

 7283 08:45:46.216393  # [   63.004720]  ? refcount_warn_saturate+0xba/0x110

 7284 08:45:46.223002  # [   63.009784]  __refcount_sub_and_test.constprop.0+0x3c/0x50

 7285 08:45:46.229899  # [   63.015627]  lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76

 7286 08:45:46.232892  # [   63.021613]  direct_entry.cold+0x2c/0x38

 7287 08:45:46.236219  # [   63.025825]  full_proxy_write+0x56/0x80

 7288 08:45:46.239674  # [   63.029936]  vfs_write+0xea/0x3b0

 7289 08:45:46.249499  # [   63.033527] <6>[   63.410326] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO

 7290 08:45:46.249603   ksys_write+0x68/0xf0

 7291 08:45:46.252898  # [   63.037113]  do_syscall_64+0x33/0x40

 7292 08:45:46.259766  # [   63.040954]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 7293 08:45:46.263064  # [   63.046269] RIP: 0033:0x7fbb50443473

 7294 08:45:46.276064  # [   63.050110] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1<6>[   63.424606] lkdtm: attempting good copy_to_user of correct size

 7295 08:45:46.289534  f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 7296 08:45:46.296371  # [   63.069128] RSP: 002b:00007fff30120e28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 7297 08:45:46.306018  # [   63.076955] RAX: ffffffffffffff<6>[   63.453151] lkdtm: attempting bad copy_to_user of too large size

 7298 08:45:46.308886  da RBX: 0000000000000020 RCX: 00007fbb50443473

 7299 08:45:46.315656  # [   63.084346] RDX: 0000000000000020 RSI: 00007fbb50337000 RDI: 0000000000000001

 7300 08:45:46.325632  # [   63.091764] RBP: 00007fbb50337000 R08: 00007fbb50336010 R09: 0000000000000000

 7301 08:45:46.332219  # [   63.099161] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 7302 08:45:46.338689  # [   63.106565] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 7303 08:45:46.342122  # [   63.113960] irq event stamp: 0

 7304 08:45:46.348826  # [   63.117280] hardirqs last  enabled at (0): [<0000000000000000>] 0x0

 7305 08:45:46.355501  # [   63.123838] hardirqs last disabled at (0): [<ffffffff918fd6dc>] copy_process+0x65c/0x20e0

 7306 08:45:46.365367  # [   63.132275] softirqs last  enabled at (0): [<ffffffff918fd6dc>] copy_process+0x65c/0x20e0

 7307 08:45:46.371726  # [   63.140716] softirqs last disabled at (0): [<0000000000000000>] 0x0

 7308 08:45:46.375028  # [   63.147239] ---[ end trace 2f8aaab59271feee ]---

 7309 08:45:46.382132  # [   63.152119] lkdtm: Saturation detected: still saturated

 7310 08:45:46.388220  # REFCOUNT_SUB_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok

 7311 08:45:46.395029  ok 58 selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh

 7312 08:45:46.398473  # selftests: lkdtm: REFCOUNT_TIMING.sh

 7313 08:45:46.401701  # Skipping REFCOUNT_TIMING: timing only

 7314 08:45:46.405095  ok 59 selftests: lkdtm: REFCOUNT_TIMING.sh # SKIP

 7315 08:45:46.408416  # selftests: lkdtm: ATOMIC_TIMING.sh

 7316 08:45:46.411759  # Skipping ATOMIC_TIMING: timing only

 7317 08:45:46.414759  ok 60 selftests: lkdtm: ATOMIC_TIMING.sh # SKIP

 7318 08:45:46.421327  # selftests: lkdtm: USERCOPY_HEAP_SIZE_TO.sh

 7319 08:45:46.427821  # [   63.410326] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO

 7320 08:45:46.431149  # [   63.424606] lkdtm: attempting good copy_to_user of correct size

 7321 08:45:46.437932  # [   63.453151] lkdtm: attempting bad copy_to_user of too large size

 7322 08:45:46.444654  # USERCOPY_HEAP_SIZE_TO: missing 'call trace:': [FAIL]

 7323 08:45:46.447677  not ok 61 selftests: lkdtm: USERCOPY_HEAP_SIZE_TO.sh # exit=1

 7324 08:45:46.454069  # selftests: lkdtm: USERCOPY_HEAP_SIZE_FROM.sh

 7325 08:45:46.475649  <6>[   63.646129] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM

 7326 08:45:46.481936  <6>[   63.652585] lkdtm: attempting good copy_from_user of correct size

 7327 08:45:46.488438  <6>[   63.658969] lkdtm: attempting bad copy_from_user of too large size

 7328 08:45:46.524680  # [   63.646129] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM

 7329 08:45:46.531106  # [   63.652585] lkdtm: attempting good copy_from_user of correct size

 7330 08:45:46.537746  # [   63.658969] lkdtm: attempting bad copy_from_user of too large size

 7331 08:45:46.544245  # USERCOPY_HEAP_SIZE_FROM: missing 'call trace:': [FAIL]

 7332 08:45:46.547520  not ok 62 selftests: lkdtm: USERCOPY_HEAP_SIZE_FROM.sh # exit=1

 7333 08:45:46.553848  # selftests: lkdtm: USERCOPY_HEAP_WHITELIST_TO.sh

 7334 08:45:46.650584  <6>[   63.818204] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO

 7335 08:45:46.654045  <6>[   63.824926] lkdtm: attempting good copy_to_user inside whitelist

 7336 08:45:46.660801  <6>[   63.831240] lkdtm: attempting bad copy_to_user outside whitelist

 7337 08:45:46.699223  # [   63.818204] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO

 7338 08:45:46.705560  # [   63.824926] lkdtm: attempting good copy_to_user inside whitelist

 7339 08:45:46.712344  # [   63.831240] lkdtm: attempting bad copy_to_user outside whitelist

 7340 08:45:46.718838  # USERCOPY_HEAP_WHITELIST_TO: missing 'call trace:': [FAIL]

 7341 08:45:46.725329  not ok 63 selftests: lkdtm: USERCOPY_HEAP_WHITELIST_TO.sh # exit=1

 7342 08:45:46.728641  # selftests: lkdtm: USERCOPY_HEAP_WHITELIST_FROM.sh

 7343 08:45:46.805856  <6>[   63.973447] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM

 7344 08:45:46.812374  <6>[   63.980327] lkdtm: attempting good copy_from_user inside whitelist

 7345 08:45:46.815928  <6>[   63.986813] lkdtm: attempting bad copy_from_user outside whitelist

 7346 08:45:46.851417  # [   63.973447] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM

 7347 08:45:46.854735  # [   63.980327] lkdtm: attempting good copy_from_user inside whitelist

 7348 08:45:46.861208  # [   63.986813] lkdtm: attempting bad copy_from_user outside whitelist

 7349 08:45:46.867661  # USERCOPY_HEAP_WHITELIST_FROM: missing 'call trace:': [FAIL]

 7350 08:45:46.874272  not ok 64 selftests: lkdtm: USERCOPY_HEAP_WHITELIST_FROM.sh # exit=1

 7351 08:45:46.877782  # selftests: lkdtm: USERCOPY_STACK_FRAME_TO.sh

 7352 08:45:46.951180  <6>[   64.122062] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO

 7353 08:45:46.957927  <6>[   64.128513] lkdtm: good_stack: ffffa2db04b77e20-ffffa2db04b77e40

 7354 08:45:46.964422  <6>[   64.134811] lkdtm: bad_stack : ffffa2db04b77da8-ffffa2db04b77dc8

 7355 08:45:46.971506  <6>[   64.141087] lkdtm: attempting good copy_to_user of local stack

 7356 08:45:46.977633  <6>[   64.147203] lkdtm: attempting bad copy_to_user of distant stack

 7357 08:45:47.007091  # [   64.122062] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO

 7358 08:45:47.013698  # [   64.128513] lkdtm: good_stack: ffffa2db04b77e20-ffffa2db04b77e40

 7359 08:45:47.020518  # [   64.134811] lkdtm: bad_stack : ffffa2db04b77da8-ffffa2db04b77dc8

 7360 08:45:47.027283  # [   64.141087] lkdtm: attempting good copy_to_user of local stack

 7361 08:45:47.033872  # [   64.147203] lkdtm: attempting bad copy_to_user of distant stack

 7362 08:45:47.036763  # USERCOPY_STACK_FRAME_TO: missing 'call trace:': [FAIL]

 7363 08:45:47.043534  not ok 65 selftests: lkdtm: USERCOPY_STACK_FRAME_TO.sh # exit=1

 7364 08:45:47.046720  # selftests: lkdtm: USERCOPY_STACK_FRAME_FROM.sh

 7365 08:45:47.112416  <6>[   64.283067] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM

 7366 08:45:47.118648  <6>[   64.289691] lkdtm: good_stack: ffffa2db04bffe20-ffffa2db04bffe40

 7367 08:45:47.125354  <6>[   64.295986] lkdtm: bad_stack : ffffa2db04bffda8-ffffa2db04bffdc8

 7368 08:45:47.132155  <6>[   64.302394] lkdtm: attempting good copy_from_user of local stack

 7369 08:45:47.138326  <6>[   64.308807] lkdtm: attempting bad copy_from_user of distant stack

 7370 08:45:47.176728  # [   64.283067] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM

 7371 08:45:47.183630  # [   64.289691] lkdtm: good_stack: ffffa2db04bffe20-ffffa2db04bffe40

 7372 08:45:47.189799  # [   64.295986] lkdtm: bad_stack : ffffa2db04bffda8-ffffa2db04bffdc8

 7373 08:45:47.196716  # [   64.302394] lkdtm: attempting good copy_from_user of local stack

 7374 08:45:47.202839  # [   64.308807] lkdtm: attempting bad copy_from_user of distant stack

 7375 08:45:47.206299  # USERCOPY_STACK_FRAME_FROM: missing 'call trace:': [FAIL]

 7376 08:45:47.212939  not ok 66 selftests: lkdtm: USERCOPY_STACK_FRAME_FROM.sh # exit=1

 7377 08:45:47.216399  # selftests: lkdtm: USERCOPY_STACK_BEYOND.sh

 7378 08:45:47.311914  <6>[   64.482524] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND

 7379 08:45:47.318555  <6>[   64.488800] lkdtm: good_stack: ffffa2db04c9fe20-ffffa2db04c9fe40

 7380 08:45:47.325453  <6>[   64.495093] lkdtm: bad_stack : ffffa2db04c9fff8-ffffa2db04ca0018

 7381 08:45:47.332159  <6>[   64.501391] lkdtm: attempting good copy_to_user of local stack

 7382 08:45:47.338611  <6>[   64.507488] lkdtm: attempting bad copy_to_user of distant stack

 7383 08:45:47.344844  <4>[   64.513672] lkdtm: copy_to_user failed, but lacked Oops

 7384 08:45:47.378593  # [   64.482524] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND

 7385 08:45:47.385229  # [   64.488800] lkdtm: good_stack: ffffa2db04c9fe20-ffffa2db04c9fe40

 7386 08:45:47.391921  # [   64.495093] lkdtm: bad_stack : ffffa2db04c9fff8-ffffa2db04ca0018

 7387 08:45:47.398005  # [   64.501391] lkdtm: attempting good copy_to_user of local stack

 7388 08:45:47.404397  # [   64.507488] lkdtm: attempting bad copy_to_user of distant stack

 7389 08:45:47.407848  # [   64.513672] lkdtm: copy_to_user failed, but lacked Oops

 7390 08:45:47.414781  # USERCOPY_STACK_BEYOND: missing 'call trace:': [FAIL]

 7391 08:45:47.417892  not ok 67 selftests: lkdtm: USERCOPY_STACK_BEYOND.sh # exit=1

 7392 08:45:47.424359  # selftests: lkdtm: USERCOPY_KERNEL.sh

 7393 08:45:47.491961  <6>[   64.662660] lkdtm: Performing direct entry USERCOPY_KERNEL

 7394 08:45:47.501603  <6>[   64.668414] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff937944d0

 7395 08:45:47.508273  <6>[   64.676456] lkdtm: attempting bad copy_to_user from kernel text: ffffffff91ae2d80

 7396 08:45:47.514944  <3>[   64.684222] lkdtm: FAIL: survived bad copy_to_user()

 7397 08:45:47.557568  # [   64.662660] lkdtm: Performing direct entry USERCOPY_KERNEL

 7398 08:45:47.567465  # [   64.668414] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff937944d0

 7399 08:45:47.573902  # [   64.676456] lkdtm: attempting bad copy_to_user from kernel text: ffffffff91ae2d80

 7400 08:45:47.577217  # [   64.684222] lkdtm: FAIL: survived bad copy_to_user()

 7401 08:45:47.583616  # USERCOPY_KERNEL: missing 'call trace:': [FAIL]

 7402 08:45:47.586755  not ok 68 selftests: lkdtm: USERCOPY_KERNEL.sh # exit=1

 7403 08:45:47.590234  # selftests: lkdtm: STACKLEAK_ERASING.sh

 7404 08:45:47.687043  <6>[   64.857884] lkdtm: Performing direct entry STACKLEAK_ERASING

 7405 08:45:47.693514  <6>[   64.863816] lkdtm: checking unused part of the thread stack (15928 bytes)...

 7406 08:45:47.703694  <3>[   64.871164] lkdtm: FAIL: the erased part is not found (checked 15928 bytes)

 7407 08:45:47.710198  <3>[   64.878385] lkdtm: FAIL: the thread stack is NOT properly erased

 7408 08:45:47.716670  <4>[   64.884667] CPU: 1 PID: 2922 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 7409 08:45:47.723510  <4>[   64.892657] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 7410 08:45:47.726809  <4>[   64.898832] Call Trace:

 7411 08:45:47.729778  <4>[   64.901544]  dump_stack+0x77/0x9b

 7412 08:45:47.733148  <4>[   64.905117]  lkdtm_STACKLEAK_ERASING+0x116/0x144

 7413 08:45:47.736789  <4>[   64.909990]  direct_entry.cold+0x2c/0x38

 7414 08:45:47.743127  <4>[   64.914170]  full_proxy_write+0x56/0x80

 7415 08:45:47.746622  <4>[   64.918263]  vfs_write+0xea/0x3b0

 7416 08:45:47.749819  <4>[   64.921833]  ksys_write+0x68/0xf0

 7417 08:45:47.753406  <4>[   64.925405]  do_syscall_64+0x33/0x40

 7418 08:45:47.760003  <4>[   64.929236]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 7419 08:45:47.763550  <4>[   64.934539] RIP: 0033:0x7f5e2d3eb473

 7420 08:45:47.782738  <4>[   64.938369] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 7421 08:45:47.789370  <4>[   64.957365] RSP: 002b:00007ffe37cc4cf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 7422 08:45:47.796534  <4>[   64.965182] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f5e2d3eb473

 7423 08:45:47.803167  <4>[   64.972564] RDX: 0000000000000012 RSI: 00007f5e2d2df000 RDI: 0000000000000001

 7424 08:45:47.812752  <4>[   64.979946] RBP: 00007f5e2d2df000 R08: 00007f5e2d2de010 R09: 0000000000000000

 7425 08:45:47.819326  <4>[   64.987327] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 7426 08:45:47.826032  <4>[   64.994710] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000

 7427 08:45:47.881222  # [   64.857884] lkdtm: Performing direct entry STACKLEAK_ERASING

 7428 08:45:47.888006  # [   64.863816] lkdtm: checking unused part of the thread stack (15928 bytes)...

 7429 08:45:47.897671  # [   64.871164] lkdtm: FAIL: the erased part is not found (checked 15928 bytes)

 7430 08:45:47.901142  # [   64.878385] lkdtm: FAIL: the thread stack is NOT properly erased

 7431 08:45:47.911060  # [   64.884667] CPU: 1 PID: 2922 Comm: cat Tainted: G      D W         5.10.209-cip44 #1

 7432 08:45:47.917463  # [   64.892657] Hardware name: Google Grunt/Grunt, BIOS  09/05/2019

 7433 08:45:47.917544  # [   64.898832] Call Trace:

 7434 08:45:47.924337  # [   64.901544]  dump_stack+0x77/0x9b

 7435 08:45:47.927688  # [   64.905117]  lkdtm_STACKLEAK_ERASING+0x116/0x144

 7436 08:45:47.930616  # [   64.909990]  direct_entry.cold+0x2c/0x38

 7437 08:45:47.934748  # [   64.914170]  full_proxy_write+0x56/0x80

 7438 08:45:47.937831  # [   64.918263]  vfs_write+0xea/0x3b0

 7439 08:45:47.940978  # [   64.921833]  ksys_write+0x68/0xf0

 7440 08:45:47.947919  # [   64.925405]  do_syscall_64+0x33/0x40

 7441 08:45:47.950805  # [   64.929236]  entry_SYSCALL_64_after_hwframe+0x62/0xc7

 7442 08:45:47.954098  # [   64.934539] RIP: 0033:0x7f5e2d3eb473

 7443 08:45:47.973744  # [   64.938369] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18

 7444 08:45:47.980547  # [   64.957365] RSP: 002b:00007ffe37cc4cf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001

 7445 08:45:47.990605  # [   64.965182] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f5e2d3eb473

 7446 08:45:47.997184  # [   64.972564] RDX: 0000000000000012<6>[   65.163993] lkdtm: Performing direct entry CFI_FORWARD_PROTO

 7447 08:45:48.003285   RSI: 00007f5e2d2df000 RDI: 0000000000000001

 7448 08:45:48.010099  # [   64.979946] RBP: 00007f5e2d2df000 R08: 00007f5e2d2de010 R09: 0000000000000000

 7449 08:45:48.016859  # [   64.987327] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001

 7450 08:45:48.026777  # [   64.994710] R13: 0000000000000001 R14<6>[   65.174109] lkdtm: Calling matched prototype ...

 7451 08:45:48.030084  : 0000000000020000 R15: 0000000000020000

 7452 08:45:48.036971  # STACKLEAK_ERASING: missing 'OK: the rest of the thread stack is properly erased': [FAIL]

 7453 08:45:48.043305  not ok 69 selftests: lkdtm: STACKLEAK_ERASING.sh # exit=1

 7454 08:45:48.046638  # selftests: lkdtm: CFI_FORWARD_PROTO.sh

 7455 08:45:48.049917  <6>[   65.201187] lkdtm: Calling mismatched prototype ...

 7456 08:45:48.056473  <6>[   65.226692] lkdtm: Fail: survived mismatched prototype function call!

 7457 08:45:48.088471  # [   65.163993] lkdtm: Performing direct entry CFI_FORWARD_PROTO

 7458 08:45:48.094969  # [   65.174109] lkdtm: Calling matched prototype ...

 7459 08:45:48.098623  # [   65.201187] lkdtm: Calling mismatched prototype ...

 7460 08:45:48.105154  # [   65.226692] lkdtm: Fail: survived mismatched prototype function call!

 7461 08:45:48.111965  # CFI_FORWARD_PROTO: missing 'call trace:': [FAIL]

 7462 08:45:48.114821  not ok 70 selftests: lkdtm: CFI_FORWARD_PROTO.sh # exit=1

 7463 08:45:48.579796  Traceback (most recent call last):

 7464 08:45:48.589717    File "/lava-12894244/0/tests/1_kselftest-lkdtm/automated/linux/kselftest/./parse-output.py", line 4, in <module>

 7465 08:45:48.593095      from tap import parser

 7466 08:45:48.596166  ModuleNotFoundError: No module named 'tap'

 7467 08:45:48.602654  + ../../utils/send-to-lava.sh ./output/result.txt

 7468 08:45:48.635495  <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=shardfile-lkdtm RESULT=pass>

 7469 08:45:48.635595  + set +x

 7470 08:45:48.636176  Received signal: <TESTCASE> TEST_CASE_ID=shardfile-lkdtm RESULT=pass
 7472 08:45:48.641781  <LAVA_SIGNAL_ENDRUN 1_kselftest-lkdtm 12894244_1.5.2.3.5>

 7473 08:45:48.642042  Received signal: <ENDRUN> 1_kselftest-lkdtm 12894244_1.5.2.3.5
 7474 08:45:48.642130  Ending use of test pattern.
 7475 08:45:48.642194  Ending test lava.1_kselftest-lkdtm (12894244_1.5.2.3.5), duration 45.40
 7477 08:45:48.645419  <LAVA_TEST_RUNNER EXIT>

 7478 08:45:48.645666  ok: lava_test_shell seems to have completed
 7479 08:45:48.645797  shardfile-lkdtm: pass

 7480 08:45:48.645916  end: 3.1 lava-test-shell (duration 00:00:46) [common]
 7481 08:45:48.646025  end: 3 lava-test-retry (duration 00:00:46) [common]
 7482 08:45:48.646117  start: 4 finalize (timeout 00:07:59) [common]
 7483 08:45:48.646225  start: 4.1 power-off (timeout 00:00:30) [common]
 7484 08:45:48.646379  Calling: 'pduclient' '--daemon=localhost' '--hostname=hp-11A-G6-EE-grunt-cbg-0' '--port=1' '--command=off'
 7485 08:45:48.726550  >> Command sent successfully.

 7486 08:45:48.734251  Returned 0 in 0 seconds
 7487 08:45:48.835075  end: 4.1 power-off (duration 00:00:00) [common]
 7489 08:45:48.836658  start: 4.2 read-feedback (timeout 00:07:59) [common]
 7490 08:45:48.837886  Listened to connection for namespace 'common' for up to 1s
 7491 08:45:48.838804  Listened to connection for namespace 'common' for up to 1s
 7492 08:45:49.838137  Finalising connection for namespace 'common'
 7493 08:45:49.838768  Disconnecting from shell: Finalise
 7494 08:45:49.839158  / # 
 7495 08:45:49.940126  end: 4.2 read-feedback (duration 00:00:01) [common]
 7496 08:45:49.940930  end: 4 finalize (duration 00:00:01) [common]
 7497 08:45:49.941559  Cleaning after the job
 7498 08:45:49.942236  Cleaning up download directory: /var/lib/lava/dispatcher/tmp/12894244/tftp-deploy-oul8w8zy/ramdisk
 7499 08:45:49.948359  Cleaning up download directory: /var/lib/lava/dispatcher/tmp/12894244/tftp-deploy-oul8w8zy/kernel
 7500 08:45:49.958098  Cleaning up download directory: /var/lib/lava/dispatcher/tmp/12894244/tftp-deploy-oul8w8zy/nfsrootfs
 7501 08:45:50.049410  Cleaning up download directory: /var/lib/lava/dispatcher/tmp/12894244/tftp-deploy-oul8w8zy/modules
 7502 08:45:50.052109  Override tmp directory removed at /var/lib/lava/dispatcher/tmp/12894244
 7503 08:45:50.572714  Root tmp directory removed at /var/lib/lava/dispatcher/tmp/12894244
 7504 08:45:50.572898  Job finished correctly