diff options
Diffstat (limited to 'print-tree.c')
| -rw-r--r-- | print-tree.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/print-tree.c b/print-tree.c index c752ba25..6e6b69b8 100644 --- a/print-tree.c +++ b/print-tree.c @@ -198,9 +198,17 @@ void print_chunk_item(struct extent_buffer *eb, struct btrfs_chunk *chunk) { u16 num_stripes = btrfs_chunk_num_stripes(eb, chunk); int i; - u32 chunk_item_size = btrfs_chunk_item_size(num_stripes); + u32 chunk_item_size; char chunk_flags_str[32] = {0}; + /* The chunk must contain at least one stripe */ + if (num_stripes < 1) { + printf("invalid num_stripes: %u\n", num_stripes); + return; + } + + chunk_item_size = btrfs_chunk_item_size(num_stripes); + if ((unsigned long)chunk + chunk_item_size > eb->len) { printf("\t\tchunk item invalid\n"); return; |