diff options
Diffstat (limited to 'sha1_file.c')
| -rw-r--r-- | sha1_file.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/sha1_file.c b/sha1_file.c index e3d011309a..f2d33afb27 100644 --- a/sha1_file.c +++ b/sha1_file.c @@ -874,17 +874,19 @@ void packed_object_info_detail(struct pack_entry *e, unsigned char *base_sha1) { struct packed_git *p = e->p; - unsigned long offset, left; + unsigned long offset; unsigned char *pack; enum object_type kind; offset = unpack_object_header(p, e->offset, &kind, size); pack = p->pack_base + offset; - left = p->pack_size - offset; if (kind != OBJ_DELTA) *delta_chain_length = 0; else { unsigned int chain_length = 0; + if (p->pack_size <= offset + 20) + die("pack file %s records an incomplete delta base", + p->pack_name); memcpy(base_sha1, pack, 20); do { struct pack_entry base_ent; |