Commit 57e9417f authored by Kent Overstreet's avatar Kent Overstreet Committed by Mikulas Patocka
Browse files

dm-flakey: Fix memory corruption in optional corrupt_bio_byte feature 



Fix memory corruption due to incorrect parameter being passed to bio_init

Signed-off-by: default avatarKent Overstreet <kent.overstreet@linux.dev>
Signed-off-by: default avatarMikulas Patocka <mpatocka@redhat.com>
Cc: stable@vger.kernel.org	# v6.5+
Fixes: 1d9a9438 ("dm flakey: clone pages on write bio before corrupting them")
parent 36e1b81f

drivers/md/dm-flakey.c

+1 −1
Original line number Diff line number Diff line
@@ -426,7 +426,7 @@ static struct bio *clone_bio(struct dm_target *ti, struct flakey_c *fc, struct b 
	if (!clone)

		return NULL;



	bio_init(clone, fc->dev->bdev, bio->bi_inline_vecs, nr_iovecs, bio->bi_opf);

	bio_init(clone, fc->dev->bdev, clone->bi_inline_vecs, nr_iovecs, bio->bi_opf);



	clone->bi_iter.bi_sector = flakey_map_sector(ti, bio->bi_iter.bi_sector);

	clone->bi_private = bio;