1 files changed, 32 insertions, 0 deletions
diff --git a/oss-fuzz/fuzz-commit-graph.c b/oss-fuzz/fuzz-commit-graph.c
new file mode 100644
index 0000000000..fbb77fec19
--- /dev/null
+++ b/oss-fuzz/fuzz-commit-graph.c
@@ -0,0 +1,32 @@
+#define USE_THE_REPOSITORY_VARIABLE
+
+#include "git-compat-util.h"
+#include "commit-graph.h"
+#include "repository.h"
+
+struct commit_graph *parse_commit_graph(struct repo_settings *s,
+					void *graph_map, size_t graph_size);
+
+int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size);
+
+int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
+{
+	struct commit_graph *g;
+
+	initialize_repository(the_repository);
+
+	/*
+	 * Initialize the_repository with commit-graph settings that would
+	 * normally be read from the repository's gitdir. We want to avoid
+	 * touching the disk to keep the individual fuzz-test cases as fast as
+	 * possible.
+	 */
+	repo_set_hash_algo(the_repository, GIT_HASH_SHA1);
+	the_repository->settings.commit_graph_generation_version = 2;
+	the_repository->settings.commit_graph_changed_paths_version = 1;
+	g = parse_commit_graph(&the_repository->settings, (void *)data, size);
+	repo_clear(the_repository);
+	free_commit_graph(g);
+
+	return 0;
+}