btrfs-progs: Fix one-byte overlap bug in free_block_group_cache

[platform/upstream/btrfs-progs.git] / print-tree.c

diff --git a/print-tree.c b/print-tree.c
index c752ba2..cbed541 100644 (file)
--- 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;
@@ -315,6 +323,9 @@ static void compress_type_to_str(u8 compress_type, char *ret)
        case BTRFS_COMPRESS_LZO:
                strcpy(ret, "lzo");
                break;
+       case BTRFS_COMPRESS_ZSTD:
+               strcpy(ret, "zstd");
+               break;
        default:
                sprintf(ret, "UNKNOWN.%d", compress_type);
        }