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selftests: cgroup: Test open-time credential usage for migration checks
authorTejun Heo <tj@kernel.org>
Thu, 6 Jan 2022 21:02:29 +0000 (11:02 -1000)
committerTejun Heo <tj@kernel.org>
Thu, 6 Jan 2022 21:02:29 +0000 (11:02 -1000)
commite5ef8db7d521c7cab5ffcdf41d8370d862d41e5c
tree5556aa81ceeed1f035d60bb5f72fe15edf1157cftree | snapshot
parentec14aed102b532321b5f9d018d1d41765379973ecommit | diff
selftests: cgroup: Test open-time credential usage for migration checks

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

Tested-by: Michal Koutný <mkoutny@suse.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
tools/testing/selftests/cgroup/test_core.c diff | blob | history
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