Public bug reported:
When running the kernel security tests from qa-regression-testing, it
fails to run 'sudo -u <user> cat /sys/module/<module>/sections/.text',
because it's now only owner-readable, instead of world-readable.
The failure is copied below.
This has been changes on 4.15-rc1 by commit
277642dcca765a1955d4c753a5a315ff7f2eb09d ("modules: make sysfs attribute files
readable by owner only").
We either want to revert that upstream or fix the test.
======================================================================
FAIL: test_095_kernel_symbols_missing (__main__.KernelSecurityTest)
kernel addresses in kallsyms and modules are zeroed out
----------------------------------------------------------------------
Traceback (most recent call last):
File "./test-kernel-security.py", line 1508, in
test_095_kernel_symbols_missing
self._check_pK_files(expected)
File "./test-kernel-security.py", line 1449, in _check_pK_files
expected)
File "./test-kernel-security.py", line 1387, in _read_twice
self.assertEqual(rc, 0, regular)
AssertionError: cat: /sys/module/virtio_blk/sections/.text: Permission denied
----------------------------------------------------------------------
Ran 76 tests in 22.227s
FAILED (failures=1)
END ERROR ubuntu_qrt_kernel_security.test-kernel-security.py
ubuntu_qrt_kernel_security.test-kernel-security.py timestamp=1521472107
localtime=Mar 19 15:08:27
** Affects: linux (Ubuntu)
Importance: Undecided
Assignee: Canonical Kernel Team (canonical-kernel-team)
Status: Confirmed
** Changed in: linux (Ubuntu)
Status: New => Confirmed
** Changed in: linux (Ubuntu)
Assignee: (unassigned) => Canonical Kernel Team (canonical-kernel-team)
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https://bugs.launchpad.net/bugs/1756963
Title:
/sys/module/<module>/sections/.text is now 0400 instead of 0444
Status in linux package in Ubuntu:
Confirmed
Bug description:
When running the kernel security tests from qa-regression-testing, it
fails to run 'sudo -u <user> cat
/sys/module/<module>/sections/.text', because it's now only owner-
readable, instead of world-readable.
The failure is copied below.
This has been changes on 4.15-rc1 by commit
277642dcca765a1955d4c753a5a315ff7f2eb09d ("modules: make sysfs attribute
files readable by owner only").
We either want to revert that upstream or fix the test.
======================================================================
FAIL: test_095_kernel_symbols_missing (__main__.KernelSecurityTest)
kernel addresses in kallsyms and modules are zeroed out
----------------------------------------------------------------------
Traceback (most recent call last):
File "./test-kernel-security.py", line 1508, in
test_095_kernel_symbols_missing
self._check_pK_files(expected)
File "./test-kernel-security.py", line 1449, in _check_pK_files
expected)
File "./test-kernel-security.py", line 1387, in _read_twice
self.assertEqual(rc, 0, regular)
AssertionError: cat: /sys/module/virtio_blk/sections/.text: Permission
denied
----------------------------------------------------------------------
Ran 76 tests in 22.227s
FAILED (failures=1)
END ERROR ubuntu_qrt_kernel_security.test-kernel-security.py
ubuntu_qrt_kernel_security.test-kernel-security.py timestamp=1521472107
localtime=Mar 19 15:08:27
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