diff options
| author | fangqiurong <fangqiurong@kylinos.cn> | 2026-08-14 11:26:23 +0800 |
|---|---|---|
| committer | Tejun Heo <tj@kernel.org> | 2026-08-14 09:17:01 -1000 |
| commit | 03506edca637a8465dba9f635c50e9884fbcaf4e (patch) | |
| tree | f1506d584dcf2f494f96c06de522696c9192bec5 /kernel | |
| parent | 1d0a73dd0c4f5a904ece163fdd24c7e03de0fb1b (diff) | |
sched_ext: Fix exit_task leak on fork failure during enable
scx_fork() initializes tasks when scx_init_task_enabled is set, but
scx_cancel_fork() only exits them when scx_enabled() is true. A fork
that fails in the enable window (between releasing scx_fork_rwsem and
setting __scx_enabled) runs ops.init_task() but never ops.exit_task().
Gate scx_cancel_fork() on scx_init_task_enabled.
Fixes: 4269c603cc26 ("sched_ext: Enable scx_ops_init_task() separately")
Cc: stable@vger.kernel.org # v6.12+
Signed-off-by: fangqiurong <fangqiurong@kylinos.cn>
Signed-off-by: Tejun Heo <tj@kernel.org>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/sched/ext/ext.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/sched/ext/ext.c b/kernel/sched/ext/ext.c index 61b156d7fc4b..2adf2bde0cb1 100644 --- a/kernel/sched/ext/ext.c +++ b/kernel/sched/ext/ext.c @@ -4163,7 +4163,7 @@ void scx_post_fork(struct task_struct *p) void scx_cancel_fork(struct task_struct *p) { - if (scx_enabled()) { + if (scx_init_task_enabled) { struct rq *rq; struct rq_flags rf; |