Public bug reported:

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

 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'

** Affects: qa-regression-testing
     Importance: Undecided
         Status: New

** Affects: ubuntu-kernel-tests
     Importance: Undecided
         Status: New

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: 4.4 sru-20190701 trusty ubuntu-qrt-apparmor

** Also affects: qa-regression-testing
   Importance: Undecided
       Status: New

** Also affects: ubuntu-kernel-tests
   Importance: Undecided
       Status: New

** Tags added: 4.4 sru-20190701 trusty ubuntu-qrt-apparmor

** Description changed:

+ 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
  
-  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'
+  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'

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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:
  New
Status in ubuntu-kernel-tests:
  New
Status in linux package in Ubuntu:
  New

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

   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'

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