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[Jürg Häfliger <1839064@xxxxxxxxxxxxxxxxxx>]

** Tags added: kernel-daily-bug

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https://bugs.launchpad.net/bugs/1839064

Title:
  prctl07 from ubuntu_ltp_syscalls failed on T-4.4

Status in ubuntu-kernel-tests:
  Triaged
Status in linux-signed-lts-xenial package in Ubuntu:
  New

Bug description:
  Test failed with:
    FAIL: PR_CAP_AMBIENT_RAISE succeeded unexpectedly because of NO_RAISE_SECBIT set

  Step to reproduce:
    git clone --depth=1 https://github.com/linux-test-project/ltp.git
    cd ltp; make autotools; ./configure; make; sudo make install
    echo "prctl07 prctl07" > /tmp/jobs
    sudo /opt/ltp/runltp -f /tmp/jobs


  <<<test_output>>>
  incrementing stop
  tst_test.c:1100: INFO: Timeout per run is 0h 05m 00s
  prctl07.c:180: INFO: kernel supports PR_CAP_AMBIENT
  prctl07.c:64: PASS: At the beginning, CapAmb in /proc/self/status doesn't have CAP_NET_BIND_SERVICE
  prctl07.c:86: PASS: PR_CAP_AMBIENT_RAISE failed with EPERM on non-inheritable cap
  prctl07.c:86: PASS: PR_CAP_AMBIENT_RAISE failed with EPERM on non-permitted cap
  prctl07.c:83: FAIL: PR_CAP_AMBIENT_RAISE succeeded unexpectedly because of NO_RAISE_SECBIT set
  prctl07.c:74: PASS: PR_CAP_AMBIENT_RAISE CAP_NET_BIND_SERVICE succeeded
  prctl07.c:74: PASS: PR_CAP_AMBIENT_RAISE CAP_NET_BIND_SERIVCE twice succeeded
  prctl07.c:60: PASS: After PR_CAP_AMBIENT_RAISE, CapAmb in /proc/self/status has CAP_NET_BIND_SERVICE
  prctl07.c:99: PASS: PR_CAP_AMBIENT_IS_SET CAP_NET_BIND_SERVICE was in AmbientCap
  prctl07.c:102: PASS: PR_CAP_AMBIENT_IS_SET CAP_NET_RAW was not in AmbientCap
  prctl07.c:114: PASS: PR_CAP_AMBIENT_LOWER CAP_NET_RAW(it wasn't in ambient set) succeeded
  prctl07.c:114: PASS: PR_CAP_AMBIENT_LOWER CAP_NET_BIND_SERVICE(it was in ambient set) succeeded
  prctl07.c:64: PASS: After PR_CAP_AMBIENT_LORWER, CapAmb in /proc/self/status doesn't have CAP_NET_BIND_SERVICE
  prctl07.c:161: INFO: raise cap for clear
  prctl07.c:164: PASS: PR_CAP_AMBIENT_CLEAR ALL succeeded
  prctl07.c:50: PASS: After PR_CAP_AMBIENT_CLEAN_ALL, /proc/self/status CapAmb has been clear as 0

  Summary:
  passed   13
  failed   1
  skipped  0
  warnings 0

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-4.4.0-148-generic 4.4.0-148.174~14.04.1
  ProcVersionSignature: User Name 4.4.0-148.174~14.04.1-generic 4.4.177
  Uname: Linux 4.4.0-148-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3.29
  Architecture: amd64
  Date: Tue Aug  6 07:43:30 2019
  SourcePackage: linux-signed-lts-xenial
  UpgradeStatus: No upgrade log present (probably fresh install)

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