* [PATCH 5.8] io_uring: missed req_init_async() for IOSQE_ASYNC
@ 2020-07-23 17:17 Pavel Begunkov
2020-07-23 18:07 ` Jens Axboe
0 siblings, 1 reply; 2+ messages in thread
From: Pavel Begunkov @ 2020-07-23 17:17 UTC (permalink / raw)
To: Jens Axboe, io-uring
IOSQE_ASYNC branch of io_queue_sqe() is another place where an
unitialised req->work can be accessed (i.e. prior io_req_init_async()).
Nothing really bad though, it just looses IO_WQ_WORK_CONCURRENT flag.
Signed-off-by: Pavel Begunkov <[email protected]>
---
fs/io_uring.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/fs/io_uring.c b/fs/io_uring.c
index d99802ac166f..32b0064f806e 100644
--- a/fs/io_uring.c
+++ b/fs/io_uring.c
@@ -5730,6 +5730,7 @@ static void io_queue_sqe(struct io_kiocb *req, const struct io_uring_sqe *sqe)
* Never try inline submit of IOSQE_ASYNC is set, go straight
* to async execution.
*/
+ io_req_init_async(req);
req->work.flags |= IO_WQ_WORK_CONCURRENT;
io_queue_async_work(req);
} else {
--
2.24.0
^ permalink raw reply related [flat|nested] 2+ messages in thread
end of thread, other threads:[~2020-07-23 18:07 UTC | newest]
Thread overview: 2+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2020-07-23 17:17 [PATCH 5.8] io_uring: missed req_init_async() for IOSQE_ASYNC Pavel Begunkov
2020-07-23 18:07 ` Jens Axboe
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox