diff options
| -rw-r--r-- | midx.c | 12 |
1 files changed, 9 insertions, 3 deletions
@@ -712,12 +712,18 @@ static size_t write_midx_object_offsets(struct hashfile *f, int large_offset_nee static size_t write_midx_large_offsets(struct hashfile *f, uint32_t nr_large_offset, struct pack_midx_entry *objects, uint32_t nr_objects) { - struct pack_midx_entry *list = objects; + struct pack_midx_entry *list = objects, *end = objects + nr_objects; size_t written = 0; while (nr_large_offset) { - struct pack_midx_entry *obj = list++; - uint64_t offset = obj->offset; + struct pack_midx_entry *obj; + uint64_t offset; + + if (list >= end) + BUG("too many large-offset objects"); + + obj = list++; + offset = obj->offset; if (!(offset >> 31)) continue; |