1 files changed, 2 insertions, 0 deletions
diff --git a/upload-pack.c b/upload-pack.c
index 2e90ccb74f..8c715354e7 100644
--- a/upload-pack.c
+++ b/upload-pack.c
@@ -603,6 +603,8 @@ static void receive_needs(void)
 			object = parse_object(sha1);
 			if (!object)
 				die("did not find object for %s", line);
+			if (object->type != OBJ_COMMIT)
+				die("invalid shallow object %s", sha1_to_hex(sha1));
 			object->flags |= CLIENT_SHALLOW;
 			add_object_array(object, NULL, &shallows);
 			continue;