1--TEST-- 2Bug #72663 (2): Don't allow references into failed unserialize 3--FILE-- 4<?php 5 6class obj implements Serializable { 7 public $data; 8 function serialize() { 9 return serialize($this->data); 10 } 11 function unserialize($data) { 12 $this->data = unserialize($data); 13 } 14} 15 16$inner = 'a:1:{i:0;O:9:"Exception":2:{s:7:"'."\0".'*'."\0".'file";s:0:"";}'; 17$exploit = 'a:2:{i:0;C:3:"obj":'.strlen($inner).':{'.$inner.'}i:1;R:4;}'; 18var_dump(unserialize($exploit)); 19 20?> 21--EXPECTF-- 22Deprecated: %s implements the Serializable interface, which is deprecated. Implement __serialize() and __unserialize() instead (or in addition, if support for old PHP versions is necessary) in %s on line %d 23 24Notice: unserialize(): Unexpected end of serialized data in %s on line %d 25 26Notice: unserialize(): Error at offset 49 of 50 bytes in %s on line %d 27 28Notice: unserialize(): Error at offset 82 of 83 bytes in %s on line %d 29bool(false) 30