[Bug 2067644] Re: containers in ubuntu_ltp_stable and cve-2018-18955 in ubuntu_ltp_cve fail on Noble

This looks like an apparmor regression. Disabling apparmor makes the
test pass.

https://bugs.launchpad.net/kernel-sru-workflow/+bug/2057941/comments/3

** Also affects: linux (Ubuntu)
Importance: Undecided
Status: New

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https://bugs.launchpad.net/bugs/2067644

Title:
containers in ubuntu_ltp_stable and cve-2018-18955 in ubuntu_ltp_cve
fail on Noble

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

Bug description:
Both the containers test in ubuntu_ltp_stable and cve-2018-18955 in
ubuntu_ltp_cve fail with a similar error on Noble. This happens on
multiple noble kernels, including generic, realtime, and ibm. The
following error references a commit, but these kernels have that
commit applied. The errors are as follows:

containers in ubuntu_ltp_stable:

18189 13:55:14 DEBUG| [stdout] userns08.c:80: TBROK: setgid(0) failed: EPERM (1)
18190 13:55:14 DEBUG| [stdout]
18191 13:55:14 DEBUG| [stdout] HINT: You _MAY_ be missing kernel fixes:
18192 13:55:14 DEBUG| [stdout]
18193 13:55:14 DEBUG| [stdout] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=d2f007dbe7e4

cve-2018-18955 in ubuntu_ltp_cve:

40826 userns08.c:80: TBROK: setgid(0) failed: EPERM (1)
40827
40828 HINT: You _MAY_ be missing kernel fixes:
40829
40830 https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=d2f007dbe7e4

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