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| author | Dave Airlie <airlied@redhat.com> | 2023-08-24 07:26:06 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2023-08-24 07:26:06 +1000 |
| commit | fdebffeba8b877368ddcc139c26278c1c97931a4 (patch) | |
| tree | 5ebf85a3e26d55ea388aa7a8608222205a4d59ba /fs/btrfs/tree-checker.c | |
| parent | cacaeb27ade4b793c456179bb6eda4592d206cd8 (diff) | |
| parent | 706a741595047797872e669b3101429ab8d378ef (diff) | |
BackMerge tag 'v6.5-rc7' into drm-next
Linux 6.5-rc7
This is needed for the CI stuff and the msm pull has fixes in it.
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'fs/btrfs/tree-checker.c')
| -rw-r--r-- | fs/btrfs/tree-checker.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/fs/btrfs/tree-checker.c b/fs/btrfs/tree-checker.c index 038dfa8f1788..ab08a0b01311 100644 --- a/fs/btrfs/tree-checker.c +++ b/fs/btrfs/tree-checker.c @@ -446,6 +446,20 @@ static int check_root_key(struct extent_buffer *leaf, struct btrfs_key *key, btrfs_item_key_to_cpu(leaf, &item_key, slot); is_root_item = (item_key.type == BTRFS_ROOT_ITEM_KEY); + /* + * Bad rootid for reloc trees. + * + * Reloc trees are only for subvolume trees, other trees only need + * to be COWed to be relocated. + */ + if (unlikely(is_root_item && key->objectid == BTRFS_TREE_RELOC_OBJECTID && + !is_fstree(key->offset))) { + generic_err(leaf, slot, + "invalid reloc tree for root %lld, root id is not a subvolume tree", + key->offset); + return -EUCLEAN; + } + /* No such tree id */ if (unlikely(key->objectid == 0)) { if (is_root_item) |