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pipe: Fix missing lock in pipe_resize_ring()

Ian Kent requested to merge raven-au/centos-stream-9:bz2141632-watch-queue-1 into main

Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=2141632 CVE: CVE-2022-2959

Fix: CVE-2022-2959 kernel: watch queue race condition can lead to privilege escalation.

Signed-off-by: Ian Kent ikent@redhat.com

Edited by Ian Kent

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