diff options
Diffstat (limited to 'commit-graph.c')
| -rw-r--r-- | commit-graph.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/commit-graph.c b/commit-graph.c index ca26870d1b..f446e76c28 100644 --- a/commit-graph.c +++ b/commit-graph.c @@ -451,8 +451,9 @@ struct commit_graph *parse_commit_graph(struct repo_settings *s, if (s->commit_graph_generation_version >= 2) { read_chunk(cf, GRAPH_CHUNKID_GENERATION_DATA, graph_read_generation_data, graph); - pair_chunk_unsafe(cf, GRAPH_CHUNKID_GENERATION_DATA_OVERFLOW, - &graph->chunk_generation_data_overflow); + pair_chunk(cf, GRAPH_CHUNKID_GENERATION_DATA_OVERFLOW, + &graph->chunk_generation_data_overflow, + &graph->chunk_generation_data_overflow_size); if (graph->chunk_generation_data) graph->read_generation_data = 1; @@ -896,7 +897,10 @@ static void fill_commit_graph_info(struct commit *item, struct commit_graph *g, die(_("commit-graph requires overflow generation data but has none")); offset_pos = offset ^ CORRECTED_COMMIT_DATE_OFFSET_OVERFLOW; - graph_data->generation = item->date + get_be64(g->chunk_generation_data_overflow + st_mult(8, offset_pos)); + if (g->chunk_generation_data_overflow_size / sizeof(uint64_t) <= offset_pos) + die(_("commit-graph overflow generation data is too small")); + graph_data->generation = item->date + + get_be64(g->chunk_generation_data_overflow + sizeof(uint64_t) * offset_pos); } else graph_data->generation = item->date + offset; } else |