test_ulimit_stack_small in ubuntu_qrt_kernel_security failed on PPC64

[Po-Hsu Lin]

This test is expecting to throw a return code 137 or 139, but it got 0 instead

ulimit -s 1 && /bin/true
echo $?

After that, if you try to run top command, it will failed with segfault.

FAIL: test_ulimit_stack_small (__main__.KernelNonSecurityTest)
Ensure small stack limits are enforced
----------------------------------------------------------------------
Traceback (most recent call last):
File "./test-kernel-security.py", line 2855, in test_ulimit_stack_small
self.assertShellExitIn(expected, self._unpriv_cmd(["sh", "-c", "ulimit -s 1 && /bin/true"]))
File "/home/ubuntu/autotest/client/tmp/ubuntu_qrt_kernel_security/src/qa-regression-testing/scripts/testlib.py", line 1151, in assertShellExitIn
self.assertIn(rc, expected, msg + result + report)
AssertionError: Got exit code 0, expected one of 139, 137
Command: 'sudo', '-u', 'ubuntu', 'sh', '-c', 'ulimit -s 1 && /bin/true'
Output:

[Ubuntu Kernel Bot (ubuntu-kernel-bot)]

This bug is missing log files that will aid in diagnosing the problem. While running an Ubuntu kernel (not a mainline or third-party kernel) please enter the following command in a terminal window:

apport-collect 1816467

and then change the status of the bug to 'Confirmed'.

If, due to the nature of the issue you have encountered, you are unable to run this command, please add a comment stating that fact and change the bug status to 'Confirmed'.

This change has been made by an automated script, maintained by the Ubuntu Kernel Team.