From c7c2f54b7abb6c8f1b7daa05099d280e7abccba5 Mon Sep 17 00:00:00 2001
From: Hillf Danton <hdanton@sina.com>
Date: Wed, 1 Apr 2020 17:19:33 +0800
Subject: [PATCH 1310/2944] io_uring: add missing finish_wait() in
 io_sq_thread()

to #28170604

commit 10bea96dcc13ad841d53bdcc9d8e731e9e0ad58f upstream

Add it to pair with prepare_to_wait() in an attempt to avoid
anything weird in the field.

Fixes: b41e98524e42 ("io_uring: add per-task callback handler")
Reported-by: syzbot+0c3370f235b74b3cfd97@syzkaller.appspotmail.com
Signed-off-by: Hillf Danton <hdanton@sina.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Acked-by: Joseph Qi <joseph.qi@linux.alibaba.com>
Signed-off-by: Xiaoguang Wang <xiaoguang.wang@linux.alibaba.com>
---
 fs/io_uring.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/fs/io_uring.c b/fs/io_uring.c
index 3ea4438..cbc6888 100644
--- a/fs/io_uring.c
+++ b/fs/io_uring.c
@@ -5967,6 +5967,7 @@ static int io_sq_thread(void *data)
 				}
 				if (current->task_works) {
 					task_work_run();
+					finish_wait(&ctx->sqo_wait, &wait);
 					continue;
 				}
 				if (signal_pending(current))
-- 
1.8.3.1