Public bug reported:
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:
** Affects: ubuntu-kernel-tests
Importance: Undecided
Status: New
** Affects: linux (Ubuntu)
Importance: Undecided
Status: Incomplete
** Also affects: ubuntu-kernel-tests
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1816467
Title:
test_ulimit_stack_small in ubuntu_qrt_kernel_security failed on PPC64
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