Commit c02b943f authored by Kent Overstreet's avatar Kent Overstreet
Browse files

bcachefs: Fix reference to invalid bucket in copygc 



Use bch2_dev_bucket_tryget() instead of bch2_dev_tryget() before
checking the bucket bitmap.

Reported-by: default avatar <syzbot+3168625f36f4a539237e@syzkaller.appspotmail.com>
Signed-off-by: default avatarKent Overstreet <kent.overstreet@linux.dev>
parent 9fe8ec86

fs/bcachefs/movinggc.c

+1 −1
Original line number Diff line number Diff line
@@ -71,7 +71,7 @@ static int bch2_bucket_is_movable(struct btree_trans *trans, 
	if (ret)

		return ret;



	struct bch_dev *ca = bch2_dev_tryget(c, k.k->p.inode);

	struct bch_dev *ca = bch2_dev_bucket_tryget(c, k.k->p);

	if (!ca)

		goto out;