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| author | Josef Bacik <josef@toxicpanda.com> | 2021-11-05 23:45:34 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-01-27 11:19:45 +0300 |
| commit | 7d4f4075e78bab9f62de18124f8113b0a67cf817 (patch) | |
| tree | 95ca4f379b8a1f9c0ebe85ed9eb7e4c3fbab54dd /fs/btrfs/backref.c | |
| parent | ba72fa2cb2f233dd7864e4c931906e37fd1e752f (diff) | |
| download | linux-7d4f4075e78bab9f62de18124f8113b0a67cf817.tar.xz | |
btrfs: remove BUG_ON() in find_parent_nodes()
[ Upstream commit fcba0120edf88328524a4878d1d6f4ad39f2ec81 ]
We search for an extent entry with .offset = -1, which shouldn't be a
thing, but corruption happens. Add an ASSERT() for the developers,
return -EUCLEAN for mortals.
Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'fs/btrfs/backref.c')
| -rw-r--r-- | fs/btrfs/backref.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/fs/btrfs/backref.c b/fs/btrfs/backref.c index 7f644a58db51..9044e7282d0b 100644 --- a/fs/btrfs/backref.c +++ b/fs/btrfs/backref.c @@ -1208,7 +1208,12 @@ again: ret = btrfs_search_slot(trans, fs_info->extent_root, &key, path, 0, 0); if (ret < 0) goto out; - BUG_ON(ret == 0); + if (ret == 0) { + /* This shouldn't happen, indicates a bug or fs corruption. */ + ASSERT(ret != 0); + ret = -EUCLEAN; + goto out; + } #ifdef CONFIG_BTRFS_FS_RUN_SANITY_TESTS if (trans && likely(trans->type != __TRANS_DUMMY) && |