--TEST-- SPL: Bug #70155 Use After Free Vulnerability in unserialize() with SPLArrayObject --FILE-- <?php $inner = 'x:i:0;O:12:"DateInterval":1:{s:1:"y";i:3;};m:a:1:{i:0;R:2;}'; $exploit = 'C:11:"ArrayObject":'.strlen($inner).':{'.$inner.'}'; $data = unserialize($exploit); var_dump($data); ?> --EXPECTF-- Fatal error: Uncaught InvalidArgumentException: Overloaded object of type DateInterval is not compatible with ArrayObject in %s Stack trace: %s %s %s %s