Public bug reported:
This is a split from bug 1800976, to make it become more specific to a
single failure.
This test will fail with the proposed Xenial kernel.
FAIL: test_095_kernel_symbols_missing_proc_self_stack
(__main__.KernelSecurityTest)
kernel addresses in /proc/self/stack are zeroed out
----------------------------------------------------------------------
Traceback (most recent call last):
File "./test-kernel-security.py", line 1341, in
test_095_kernel_symbols_missing_proc_self_stack
self._check_pK_files(self._095_kernel_symbols_missing_proc_self_stack,
expected=expected)
File "./test-kernel-security.py", line 1199, in _check_pK_files
test_function(expected_restricted)
File "./test-kernel-security.py", line 1297, in
_095_kernel_symbols_missing_proc_self_stack
expected, retry=True)
File "./test-kernel-security.py", line 1136, in _read_twice
self.assertEqual(rc, 0, regular)
AssertionError: cat: /proc/self/stack: Permission denied
>From Khaled's comment #1 in that bug:
The commit "c714676a1 proc: restrict kernel stack dumps to root"
(part of the update to linux-stable 4.4.160) has changed the permissions
of /proc/self/stack to be root- and CAP_SYS_ADMIN-only which is causing
test_095_kernel_symbols_missing_proc_self_stack to fail
So we might need to fix this from the test case perspective.
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: linux-image-4.4.0-139-generic 4.4.0-139.165~14.04.1
ProcVersionSignature: User Name 4.4.0-139.165~14.04.1-generic 4.4.160
Uname: Linux 4.4.0-139-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.29
Architecture: amd64
Date: Wed Nov 7 08:13:40 2018
SourcePackage: linux-lts-xenial
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: qa-regression-testing
Importance: Undecided
Status: New
** Affects: ubuntu-kernel-tests
Importance: Undecided
Status: Confirmed
** Affects: linux-lts-xenial (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug package-from-proposed trusty uec-images xenial
** Also affects: qa-regression-testing
Importance: Undecided
Status: New
** Also affects: ubuntu-kernel-tests
Importance: Undecided
Status: New
** Changed in: ubuntu-kernel-tests
Status: New => Confirmed
** Tags added: xenial
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https://bugs.launchpad.net/bugs/1802069
Title:
test_095_kernel_symbols_missing_proc_self_stack failed with Xenial
kernel
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