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authorLinus Torvalds <torvalds@linux-foundation.org>2023-10-21 11:19:07 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2023-10-21 11:19:07 -0700
commit45d3291c5201fced351e62d714e2912400cc7f4d (patch)
treee9f90a7041bbdecb3bfe4361a7b960278d9af1c6
parent94be133fb2b8a36d79b362b3bafbdfd054a4da89 (diff)
parentd2929762cc3f85528b0ca12f6f63c2a714f24778 (diff)
downloadfsi-45d3291c5201fced351e62d714e2912400cc7f4d.tar.gz
Merge tag 'sched-urgent-2023-10-21' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler fix from Ingo Molnar: "Fix a recently introduced use-after-free bug" * tag 'sched-urgent-2023-10-21' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: sched/eevdf: Fix heap corruption more
-rw-r--r--kernel/sched/fair.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index 061a30a8925ab8..df348aa55d3c7e 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