diff options
| -rw-r--r-- | commit-graph.c | 14 | ||||
| -rwxr-xr-x | t/t5318-commit-graph.sh | 8 |
2 files changed, 20 insertions, 2 deletions
diff --git a/commit-graph.c b/commit-graph.c index 4377b547c8..ca26870d1b 100644 --- a/commit-graph.c +++ b/commit-graph.c @@ -350,6 +350,16 @@ static int graph_read_commit_data(const unsigned char *chunk_start, return 0; } +static int graph_read_generation_data(const unsigned char *chunk_start, + size_t chunk_size, void *data) +{ + struct commit_graph *g = data; + if (chunk_size != g->num_commits * sizeof(uint32_t)) + return error("commit-graph generations chunk is wrong size"); + g->chunk_generation_data = chunk_start; + return 0; +} + static int graph_read_bloom_data(const unsigned char *chunk_start, size_t chunk_size, void *data) { @@ -439,8 +449,8 @@ struct commit_graph *parse_commit_graph(struct repo_settings *s, &graph->chunk_base_graphs_size); if (s->commit_graph_generation_version >= 2) { - pair_chunk_unsafe(cf, GRAPH_CHUNKID_GENERATION_DATA, - &graph->chunk_generation_data); + 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); diff --git a/t/t5318-commit-graph.sh b/t/t5318-commit-graph.sh index 05bafcfe5f..6505ff595a 100755 --- a/t/t5318-commit-graph.sh +++ b/t/t5318-commit-graph.sh @@ -887,4 +887,12 @@ test_expect_success 'reader notices out-of-bounds extra edge' ' test_cmp expect.err err ' +test_expect_success 'reader notices too-small generations chunk' ' + check_corrupt_chunk GDA2 clear 00000000 && + cat >expect.err <<-\EOF && + error: commit-graph generations chunk is wrong size + EOF + test_cmp expect.err err +' + test_done |