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| author | Kent Overstreet <kent.overstreet@gmail.com> | 2021-05-23 18:42:51 -0400 |
|---|---|---|
| committer | Kent Overstreet <kent.overstreet@gmail.com> | 2021-05-25 18:09:33 -0400 |
| commit | 30694330463fdaa6dbbb7d089b8cc0fdf2547c90 (patch) | |
| tree | 70c1dc9ae7172a9c54bc3ad54771fc93415ebd11 | |
| parent | 9e4f1773d7e9331bde9d96770080db08f4609d6c (diff) | |
bcachefs: Fix a null ptr deref
bch2_btree_iter_peek() won't always return a key - whoops.
Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>
| -rw-r--r-- | fs/bcachefs/move.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/fs/bcachefs/move.c b/fs/bcachefs/move.c index 778ff72cf5b2..2d5c4e9bbf42 100644 --- a/fs/bcachefs/move.c +++ b/fs/bcachefs/move.c @@ -523,6 +523,11 @@ static int lookup_inode(struct btree_trans *trans, struct bpos pos, if (ret) goto err; + if (!k.k || bkey_cmp(k.k->p, pos)) { + ret = -ENOENT; + goto err; + } + ret = k.k->type == KEY_TYPE_inode ? 0 : -EIO; if (ret) goto err; |