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| author | Kent Overstreet <kent.overstreet@gmail.com> | 2019-06-10 03:32:54 +0300 |
|---|---|---|
| committer | Kent Overstreet <kent.overstreet@linux.dev> | 2023-10-23 00:08:23 +0300 |
| commit | 66b095b008ea6526c660fbecfacbd970416f971e (patch) | |
| tree | c1530186c4335a86b66dcdca95677d0093dfc18d /fs/bcachefs/bkey_methods.c | |
| parent | 9146b8ee03fb8a716e6a88d68b8e9074594966bb (diff) | |
| download | linux-66b095b008ea6526c660fbecfacbd970416f971e.tar.xz | |
bcachefs: Don't allow bkey vals that are too big in extents btree
Make sure we don't overflow BKEY_PADDED keys
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
Diffstat (limited to 'fs/bcachefs/bkey_methods.c')
| -rw-r--r-- | fs/bcachefs/bkey_methods.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/fs/bcachefs/bkey_methods.c b/fs/bcachefs/bkey_methods.c index 547f5b301ad4..09ee958c5568 100644 --- a/fs/bcachefs/bkey_methods.c +++ b/fs/bcachefs/bkey_methods.c @@ -82,6 +82,11 @@ const char *__bch2_bkey_invalid(struct bch_fs *c, struct bkey_s_c k, if (k.k->u64s < BKEY_U64s) return "u64s too small"; + if ((btree_node_type_is_extents(type) || + type == BKEY_TYPE_BTREE) && + bkey_val_u64s(k.k) > BKEY_EXTENT_VAL_U64s_MAX) + return "value too big"; + if (btree_node_type_is_extents(type)) { if ((k.k->size == 0) != bkey_deleted(k.k)) return "bad size field"; |