diff options
-rw-r--r-- | ctree.c | 6 |
1 files changed, 6 insertions, 0 deletions
@@ -638,6 +638,12 @@ int btrfs_check_leaf(struct btrfs_root *root, struct btrfs_disk_key key; u32 nritems = btrfs_header_nritems(buf); + if (nritems * sizeof(struct btrfs_item) > buf->len) { + fprintf(stderr, "invalid number of items %llu\n", + (unsigned long long)buf->start); + goto fail; + } + if (btrfs_header_level(buf) != 0) { fprintf(stderr, "leaf is not a leaf %llu\n", (unsigned long long)btrfs_header_bytenr(buf)); |