Before call queue_rq(), initialize rq->state to MQ_RQ_IDLE.
Reported-and-tested-by: syzbot+fcc47ba2476570cbbeb0@xxxxxxxxxxxxxxxxxxxxxxxxx
Signed-off-by: Edward Adam Davis <eadavis@xxxxxx>
---
block/blk-mq.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/block/blk-mq.c b/block/blk-mq.c
index e2d11183f62e..26f2921cbc50 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -2575,6 +2575,8 @@ static blk_status_t __blk_mq_issue_directly(struct blk_mq_hw_ctx *hctx,
* Any other error (busy), just add it to our list as we
* previously would have done.
*/
+ if (READ_ONCE(rq->state))
+ WRITE_ONCE(rq->state, MQ_RQ_IDLE);
ret = q->mq_ops->queue_rq(hctx, &bd);
switch (ret) {
case BLK_STS_OK:
--
2.25.1
