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selftests: cgroup: Test open-time cgroup namespace usage for migration checks
authorTejun Heo <tj@kernel.org>
Thu, 6 Jan 2022 21:02:29 +0000 (11:02 -1000)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 13 Apr 2022 18:59:27 +0000 (20:59 +0200)
commit4693fce5a5d461ed6cdcce12ec37bbf5cabab699
tree028b3d657fe16665c8d64988d00e1f3504def6b7tree | snapshot
parent47802775bc119658e59199d859ba31d62dc5e826commit | diff
selftests: cgroup: Test open-time cgroup namespace usage for migration checks

commit bf35a7879f1dfb0d050fe779168bcf25c7de66f5 upstream.

When a task is writing to an fd opened by a different task, the perm check
should use the cgroup namespace of the latter task. Add a test for it.

Tested-by: Michal Koutný <mkoutny@suse.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Ovidiu Panait <ovidiu.panait@windriver.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
tools/testing/selftests/cgroup/test_core.c diff | blob | history
Domain: System / Kernel;