diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/odb.c | 8 |
1 files changed, 8 insertions, 0 deletions
@@ -746,6 +746,7 @@ static int pack_openidx_v2(git_pack *p) unsigned char *data = p->idx_map.data; uint32_t *src_fanout = (uint32_t *)(data + 8); uint32_t *im_fanout; + size_t sz; int j; if ((im_fanout = git__malloc(sizeof(*im_fanout) * 256)) == NULL) @@ -761,6 +762,13 @@ static int pack_openidx_v2(git_pack *p) } p->obj_cnt = im_fanout[255]; + /* minimum size of .idx file (with empty 64-bit offsets table): */ + sz = 4 + 4 + 256 * 4 + p->obj_cnt * (20 + 4 + 4) + 2 * 20; + if (p->idx_map.len < sz) { + free(im_fanout); + return GIT_ERROR; + } + p->idx_search = idxv2_search; p->im_fanout = im_fanout; p->im_oid = (unsigned char *)(src_fanout + 256); |