diff options
| author | Penglei Jiang <superman.xpt@gmail.com> | 2025-06-15 09:39:06 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-06-27 11:08:58 +0100 |
| commit | 675d90ee874c5ac0fd682d8b97daf0aa08dc739d (patch) | |
| tree | ea48ee5696e635d54829ddf444f040d087279d3d /io_uring | |
| parent | 3c3c7c66bdfaf07dde99966706b834fad21841a7 (diff) | |
io_uring: fix task leak issue in io_wq_create()
commit 89465d923bda180299e69ee2800aab84ad0ba689 upstream.
Add missing put_task_struct() in the error path
Cc: stable@vger.kernel.org
Fixes: 0f8baa3c9802 ("io-wq: fully initialize wqe before calling cpuhp_state_add_instance_nocalls()")
Signed-off-by: Penglei Jiang <superman.xpt@gmail.com>
Link: https://lore.kernel.org/r/20250615163906.2367-1-superman.xpt@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'io_uring')
| -rw-r--r-- | io_uring/io-wq.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/io_uring/io-wq.c b/io_uring/io-wq.c index 93f3e4d1df85..1c4ef4e4eb52 100644 --- a/io_uring/io-wq.c +++ b/io_uring/io-wq.c @@ -1206,8 +1206,10 @@ struct io_wq *io_wq_create(unsigned bounded, struct io_wq_data *data) atomic_set(&wq->worker_refs, 1); init_completion(&wq->worker_done); ret = cpuhp_state_add_instance_nocalls(io_wq_online, &wq->cpuhp_node); - if (ret) + if (ret) { + put_task_struct(wq->task); goto err; + } return wq; err: |