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Message-ID: <ZTPuCcQkcn4TVTMn@gmail.com>
Date: Sat, 21 Oct 2023 17:28:09 +0200
From: Ingo Molnar <mingo@...nel.org>
To: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: linux-kernel@...r.kernel.org,
Peter Zijlstra <peterz@...radead.org>,
Juri Lelli <juri.lelli@...hat.com>,
Vincent Guittot <vincent.guittot@...aro.org>,
Dietmar Eggemann <dietmar.eggemann@....com>,
Steven Rostedt <rostedt@...dmis.org>,
Ben Segall <bsegall@...gle.com>, Mel Gorman <mgorman@...e.de>,
Daniel Bristot de Oliveira <bristot@...hat.com>,
Valentin Schneider <vschneid@...hat.com>,
Thomas Gleixner <tglx@...utronix.de>,
Andrew Morton <akpm@...ux-foundation.org>
Subject: [GIT PULL] scheduler fixes
Linus,
Please pull the latest sched/urgent git tree from:
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git sched-urgent-2023-10-21
# HEAD: d2929762cc3f85528b0ca12f6f63c2a714f24778 sched/eevdf: Fix heap corruption more
Fix a recently introduced use-after-free bug.
Thanks,
Ingo
------------------>
Peter Zijlstra (1):
sched/eevdf: Fix heap corruption more
kernel/sched/fair.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index 061a30a8925a..df348aa55d3c 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -3657,7 +3657,8 @@ static void reweight_entity(struct cfs_rq *cfs_rq, struct sched_entity *se,
*/
deadline = div_s64(deadline * old_weight, weight);
se->deadline = se->vruntime + deadline;
- min_deadline_cb_propagate(&se->run_node, NULL);
+ if (se != cfs_rq->curr)
+ min_deadline_cb_propagate(&se->run_node, NULL);
}
#ifdef CONFIG_SMP
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