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perf: Fix dangling cgroup pointer in cpuctx backport

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recently backport of ("perf: Fix dangling cgroup pointer in cpuctx")
use a middle version, so aligned with the upstream commit:
commit 3b7a34aebb ("perf: Fix dangling cgroup pointer in cpuctx")

This is a fix for stable v6.6.143 backport commit, so no upstream commit.

Link: https://lore.kernel.org/all/2026070200-uneaten-smock-4130@gregkh/
Fixes: ae1ada0af1 ("perf: Fix dangling cgroup pointer in cpuctx")
Signed-off-by: Wentao Guan <guanwentao@uniontech.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Wentao Guan
2026-07-24 16:02:35 +02:00
committed by Greg Kroah-Hartman
parent 5f4dbdb0a8
commit f6290849b8
1 changed files with 2 additions and 3 deletions
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kernel/events/core.c
+2 -3
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@@ -2384,10 +2384,9 @@ __perf_remove_from_context(struct perf_event *event,
*/
if (flags & DETACH_EXIT)
state = PERF_EVENT_STATE_EXIT;
if (flags & DETACH_DEAD) {
event->pending_disable = 1;
if (flags & DETACH_DEAD)
state = PERF_EVENT_STATE_DEAD;
}
event_sched_out(event, ctx);
if (event->state > PERF_EVENT_STATE_OFF)