diff options
| -rw-r--r-- | commit-graph.c | 12 | ||||
| -rwxr-xr-x | t/t5318-commit-graph.sh | 9 |
2 files changed, 20 insertions, 1 deletions
diff --git a/commit-graph.c b/commit-graph.c index 472332f603..9b80bbd75b 100644 --- a/commit-graph.c +++ b/commit-graph.c @@ -340,6 +340,16 @@ static int graph_read_oid_lookup(const unsigned char *chunk_start, return 0; } +static int graph_read_commit_data(const unsigned char *chunk_start, + size_t chunk_size, void *data) +{ + struct commit_graph *g = data; + if (chunk_size != g->num_commits * GRAPH_DATA_WIDTH) + return error("commit-graph commit data chunk is wrong size"); + g->chunk_commit_data = chunk_start; + return 0; +} + static int graph_read_bloom_data(const unsigned char *chunk_start, size_t chunk_size, void *data) { @@ -422,7 +432,7 @@ struct commit_graph *parse_commit_graph(struct repo_settings *s, read_chunk(cf, GRAPH_CHUNKID_OIDFANOUT, graph_read_oid_fanout, graph); read_chunk(cf, GRAPH_CHUNKID_OIDLOOKUP, graph_read_oid_lookup, graph); - pair_chunk_unsafe(cf, GRAPH_CHUNKID_DATA, &graph->chunk_commit_data); + read_chunk(cf, GRAPH_CHUNKID_DATA, graph_read_commit_data, graph); pair_chunk_unsafe(cf, GRAPH_CHUNKID_EXTRAEDGES, &graph->chunk_extra_edges); pair_chunk_unsafe(cf, GRAPH_CHUNKID_BASE, &graph->chunk_base_graphs); diff --git a/t/t5318-commit-graph.sh b/t/t5318-commit-graph.sh index d10658de9e..492460157d 100755 --- a/t/t5318-commit-graph.sh +++ b/t/t5318-commit-graph.sh @@ -870,4 +870,13 @@ test_expect_success 'reader notices out-of-bounds fanout' ' test_cmp expect.err err ' +test_expect_success 'reader notices too-small commit data chunk' ' + check_corrupt_chunk CDAT clear 00000000 && + cat >expect.err <<-\EOF && + error: commit-graph commit data chunk is wrong size + error: commit-graph is missing the Commit Data chunk + EOF + test_cmp expect.err err +' + test_done |