Unverified Commit dc900cda authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!14807 btrfs: fix use-after-free in btrfs_encoded_read_endio() 

Merge Pull Request from: @ci-robot 
 
PR sync from: Yongjian Sun <sunyongjian1@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/UKFH73UJOCXIQHSSDNNP7RVA7PYVRGUC/ 
 
https://gitee.com/src-openeuler/kernel/issues/IBEAOP 
 
Link:https://gitee.com/openeuler/kernel/pulls/14807

 

Reviewed-by: default avatarZhang Peng <zhangpeng362@huawei.com>
Signed-off-by: default avatarZhang Peng <zhangpeng362@huawei.com>
parents 867a1c93 8e59fc98

fs/btrfs/inode.c

+1 −1
Original line number Diff line number Diff line
@@ -9974,7 +9974,7 @@ static void btrfs_encoded_read_endio(struct btrfs_bio *bbio) 
		 */

		WRITE_ONCE(priv->status, bbio->bio.bi_status);

	}

	if (!atomic_dec_return(&priv->pending))

	if (atomic_dec_and_test(&priv->pending))

		wake_up(&priv->wait);

	bio_put(&bbio->bio);

}