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[Jürg Häfliger <1836873@xxxxxxxxxxxxxxxxxx>]

** Tags added: kernel-daily-bug

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https://bugs.launchpad.net/bugs/1836873

Title:
  exec_stack from ubuntu_qrt_apparmor failed with T-4.4

Status in QA Regression Testing:
  Fix Released
Status in ubuntu-kernel-tests:
  Fix Released
Status in linux package in Ubuntu:
  Invalid

Bug description:
  This issue cannot be reproduce on Xenial 4.4, probably related to
  Trusty.

  It looks like this is not a regression, at least it can be reproduced
  with 4.4.0-154-generic #181~14.04.1

  Failure could be found across all architectures:

   running exec_stack
   /tmp/testlibie9Zaq/source/trusty/apparmor-2.10.95/tests/regression/apparmor/prologue.inc: line 219: 11431 Segmentation fault $testexec "$@" > $outfile 2>&1
   Error: transition failed. Test 'EXEC_STACK (2 stacked - file)' was expected to 'fail'. Reason for failure expect errno 13 != 139
   /tmp/testlibie9Zaq/source/trusty/apparmor-2.10.95/tests/regression/apparmor/prologue.inc: line 219: 11433 Segmentation fault $testexec "$@" > $outfile 2>&1
   Error: transition failed. Test 'EXEC_STACK (2 stacked - otherfile)' was expected to 'fail'. Reason for failure expect errno 13 != 139
   /tmp/testlibie9Zaq/source/trusty/apparmor-2.10.95/tests/regression/apparmor/prologue.inc: line 219: 11435 Segmentation fault $testexec "$@" > $outfile 2>&1
   Error: transition failed. Test 'EXEC_STACK (2 stacked - thirdfile)' was expected to 'fail'. Reason for failure expect errno 13 != 139
   /tmp/testlibie9Zaq/source/trusty/apparmor-2.10.95/tests/regression/apparmor/prologue.inc: line 219: 11436 Segmentation fault $testexec "$@" > $outfile 2>&1
   Error: transition failed. Test 'EXEC_STACK (2 stacked - sharedfile)' was expected to 'pass'. Reason for failure 'killed by signal 11'
   /tmp/testlibie9Zaq/source/trusty/apparmor-2.10.95/tests/regression/apparmor/prologue.inc: line 219: 11442 Segmentation fault $testexec "$@" > $outfile 2>&1
   Error: transition failed. Test 'EXEC_STACK (2 stacked - okcon)' was expected to 'pass'. Reason for failure 'killed by signal 11'
   /tmp/testlibie9Zaq/source/trusty/apparmor-2.10.95/tests/regression/apparmor/prologue.inc: line 219: 11448 Segmentation fault $testexec "$@" > $outfile 2>&1
   Error: transition failed. Test 'EXEC_STACK (2 stacked - bad label)' was expected to 'fail'. Reason for failure 'killed by signal 11'
   /tmp/testlibie9Zaq/source/trusty/apparmor-2.10.95/tests/regression/apparmor/prologue.inc: line 219: 11454 Segmentation fault $testexec "$@" > $outfile 2>&1
   Error: transition failed. Test 'EXEC_STACK (2 stacked - bad mode)' was expected to 'fail'. Reason for failure 'killed by signal 11'
   /tmp/testlibie9Zaq/source/trusty/apparmor-2.10.95/tests/regression/apparmor/prologue.inc: line 219: 11549 Segmentation fault $testexec "$@" > $outfile 2>&1
   Error: transition failed. Test 'EXEC_STACK (3 stacked - file)' was expected to 'fail'. Reason for failure expect errno 13 != 139
   /tmp/testlibie9Zaq/source/trusty/apparmor-2.10.95/tests/regression/apparmor/prologue.inc: line 219: 11551 Segmentation fault $testexec "$@" > $outfile 2>&1
   Error: transition failed. Test 'EXEC_STACK (3 stacked - otherfile)' was expected to 'fail'. Reason for failure expect errno 13 != 139
   /tmp/testlibie9Zaq/source/trusty/apparmor-2.10.95/tests/regression/apparmor/prologue.inc: line 219: 11553 Segmentation fault $testexec "$@" > $outfile 2>&1
   Error: transition failed. Test 'EXEC_STACK (3 stacked - thirdfile)' was expected to 'fail'. Reason for failure expect errno 13 != 139
   /tmp/testlibie9Zaq/source/trusty/apparmor-2.10.95/tests/regression/apparmor/prologue.inc: line 219: 11554 Segmentation fault $testexec "$@" > $outfile 2>&1
   Error: transition failed. Test 'EXEC_STACK (3 stacked - sharedfile)' was expected to 'pass'. Reason for failure 'killed by signal 11'
   /tmp/testlibie9Zaq/source/trusty/apparmor-2.10.95/tests/regression/apparmor/prologue.inc: line 219: 11560 Segmentation fault $testexec "$@" > $outfile 2>&1
   Error: transition failed. Test 'EXEC_STACK (3 stacked - okcon)' was expected to 'pass'. Reason for failure 'killed by signal 11'
   /tmp/testlibie9Zaq/source/trusty/apparmor-2.10.95/tests/regression/apparmor/prologue.inc: line 219: 11652 Segmentation fault $testexec "$@" > $outfile 2>&1
   Error: transition failed. Test 'EXEC_STACK (3 stacked - old AA WARN)' was expected to 'pass'. Reason for failure 'killed by signal 11'

  Complete test report could be found here:
  https://pastebin.ubuntu.com/p/YH5cYVkC5p/

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