dm-flakey: Fix memory corruption in optional corrupt_bio_byte feature

JIRA: https://issues.redhat.com/browse/RHEL-84777
Upstream Status: kernel/git/torvalds/linux.git

commit 57e9417
Author: Kent Overstreet <kent.overstreet@linux.dev>
Date:   Sat Mar 8 10:50:08 2025 -0500

    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: Kent Overstreet <kent.overstreet@linux.dev>
    Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
    Cc: stable@vger.kernel.org      # v6.5+
    Fixes: 1d9a943 ("dm flakey: clone pages on write bio before corrupting them")

Signed-off-by: Benjamin Marzinski <bmarzins@redhat.com>

Author: bmarzins

drivers/md/dm-flakey.c

@@ -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;