Commit 89465d92 authored by Penglei Jiang's avatar Penglei Jiang Committed by Jens Axboe
Browse files

io_uring: fix task leak issue in io_wq_create() 



Add missing put_task_struct() in the error path

Cc: stable@vger.kernel.org
Fixes: 0f8baa3c ("io-wq: fully initialize wqe before calling cpuhp_state_add_instance_nocalls()")
Signed-off-by: default avatarPenglei Jiang <superman.xpt@gmail.com>
Link: https://lore.kernel.org/r/20250615163906.2367-1-superman.xpt@gmail.com


Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent 1d27f11b

io_uring/io-wq.c

+3 −1
Original line number Diff line number Diff line
@@ -1259,8 +1259,10 @@ 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: