refs: Fix double free

Includes relevant Clay test

1 files changed, 15 insertions, 0 deletions

diff --git a/tests-clay/refs/crashes.c b/tests-clay/refs/crashes.c
new file mode 100644
index 000000000..51eb15d0d
--- /dev/null
+++ b/tests-clay/refs/crashes.c
@@ -0,0 +1,15 @@
+#include "clay_libgit2.h"
+
+void test_refs_crashes__double_free(void)
+{
+	git_repository *repo;
+	git_reference *ref, *ref2;
+	const char *REFNAME = "refs/heads/xxx";
+
+	cl_git_pass(git_repository_open(&repo, cl_fixture("testrepo.git")));
+	cl_git_pass(git_reference_create_symbolic(&ref, repo, REFNAME, "refs/heads/master", 0));
+	cl_git_pass(git_reference_lookup(&ref2, repo, REFNAME));
+	cl_git_pass(git_reference_delete(ref));
+	/* reference is gone from disk, so reloading it will fail */
+	cl_must_fail(git_reference_reload(ref2));
+}