--- test.c.orig	2015-04-07 13:16:31.699798616 -0700
+++ test.c	2015-04-07 13:18:43.828591506 -0700
@@ -120,6 +120,9 @@
     }
 
     test->buf = malloc(buf.st_size * clone_count + clone_count - 1);
+    if (test->buf == NULL) {
+	return -1;
+    }
     test->len = 0;
     test->pos = 0;