diff --git a/builtin/repack.c b/builtin/repack.c
index 2b9bf0318a..367e970dcf 100644
--- a/builtin/repack.c
+++ b/builtin/repack.c
@@ -1525,6 +1525,7 @@ int cmd_repack(int argc, const char **argv, const char *prefix)
 	}
 
 cleanup:
+	string_list_clear(&keep_pack_list, 0);
 	string_list_clear(&names, 1);
 	existing_packs_release(&existing);
 	free_pack_geometry(&geometry);
diff --git a/t/t6500-gc.sh b/t/t6500-gc.sh
index 1b5909d1b7..58654b3437 100755
--- a/t/t6500-gc.sh
+++ b/t/t6500-gc.sh
@@ -3,6 +3,7 @@
 test_description='basic git gc tests
 '
 
+TEST_PASSES_SANITIZE_LEAK=true
 . ./test-lib.sh
 . "$TEST_DIRECTORY"/lib-terminal.sh
 
diff --git a/t/t7703-repack-geometric.sh b/t/t7703-repack-geometric.sh
index 9fc1626fbf..8877aea98b 100755
--- a/t/t7703-repack-geometric.sh
+++ b/t/t7703-repack-geometric.sh
@@ -2,6 +2,7 @@
 
 test_description='git repack --geometric works correctly'
 
+TEST_PASSES_SANITIZE_LEAK=true
 . ./test-lib.sh
 
 GIT_TEST_MULTI_PACK_INDEX=0