1--TEST-- 2Bug #42663 (gzinflate() try to allocate all memory with truncated $data) 3--EXTENSIONS-- 4zlib 5--FILE-- 6<?php 7// build a predictable string 8$string = ''; 9for($i=0; $i<30000; ++$i) $string .= $i . ' '; 10var_dump(strlen($string)); 11// deflate string 12$deflated = gzdeflate($string,9); 13var_dump(strlen($deflated)); 14// truncate $deflated string 15$truncated = substr($deflated, 0, 65535); 16var_dump(strlen($truncated)); 17// inflate $truncated string (check if it will not eat all memory) 18var_dump(gzinflate($truncated)); 19?> 20--EXPECTF-- 21int(168890) 22int(66743) 23int(65535) 24 25Warning: gzinflate(): data error in %s on line %d 26bool(false) 27