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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2026-01-11 07:11:53 -1000 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2026-01-11 07:11:53 -1000 |
| commit | fac4bdbacab5a9abe7e017069c640273c2a704e2 (patch) | |
| tree | b89acb94f450802cdf88ddecee536e0ee9c56380 | |
| parent | fe948326e95dcc7b1efb6b76e92b5b919f56250c (diff) | |
| parent | 2bdf777410dc6e022d1081885ff34673b5dfee99 (diff) | |
Merge tag 'sched-urgent-2026-01-11' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler fix from Ingo Molnar:
"Fix a crash in sched_mm_cid_after_execve()"
* tag 'sched-urgent-2026-01-11' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
sched/mm_cid: Prevent NULL mm dereference in sched_mm_cid_after_execve()
| -rw-r--r-- | kernel/sched/core.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/kernel/sched/core.c b/kernel/sched/core.c index 41ba0be16911..60afadb6eede 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -10694,10 +10694,11 @@ void sched_mm_cid_before_execve(struct task_struct *t) sched_mm_cid_exit(t); } -/* Reactivate MM CID after successful execve() */ +/* Reactivate MM CID after execve() */ void sched_mm_cid_after_execve(struct task_struct *t) { - sched_mm_cid_fork(t); + if (t->mm) + sched_mm_cid_fork(t); } static void mm_cid_work_fn(struct work_struct *work) |