1--TEST-- 2Bug #77370 (Buffer overflow on mb regex functions - fetch_token) 3--SKIPIF-- 4<?php 5if (!extension_loaded('mbstring')) die('skip mbstring extension not available'); 6if (!function_exists('mb_split')) die('skip mb_split() not available'); 7?> 8--FILE-- 9<?php 10var_dump(mb_split(" \xfd","")); 11?> 12--EXPECTF-- 13Warning: mb_split(): Pattern is not valid under UTF-8 encoding in %s on line %d 14bool(false) 15