#34695 [Opn->Bgs]: preg_replace(): {}-expresion overflow

ID: 34695 Updated by: sniper@php.net Reported By: php at koterov dot ru -Status: Open +Status: Bogus Bug Type: Reproducible crash Operating System: Windows XP PHP Version: 4.4.0 New Comment: RTFM: "You should be aware of some limitations of PCRE. Read http://www.pcre.org/pcre.txt for more info." Previous Comments: ------------------------------------------------------------------------ [2005-10-02 08:46:36] php at koterov dot ru Snapshot does not work too. ------------------------------------------------------------------------ [2005-10-01 10:10:46] johannes@php.net Please try using this CVS snapshot: http://snaps.php.net/php4-STABLE-latest.tar.gz For Windows: http://snaps.php.net/win32/php4-win32-STABLE-latest.zip ------------------------------------------------------------------------ [2005-09-30 23:47:44] php at koterov dot ru Description: ------------ PCRE /X{1,Y}/ for large Y (near 1000) does not work for some X on Windows (apache 1.3+mod_php 4.4.0 or 4.3.10). In Unix (Linux) - everything is fine. Maybe stack overflow? Reproduce code: --------------- <? define('MAXLEN', 1000); $text = str_repeat('a', 10000); $text = preg_replace('/ ( (?: [^<] | < [^>]* >){1,'.MAXLEN.'}) .* /xs', '$1', $text); die('ok'); ?> Expected result: ---------------- ok Actual result: -------------- nothing (php exits, but no windows GPF) ------------------------------------------------------------------------ -- Edit this bug report at http://bugs.php.net/?id=34695&edit=1