#37397 [Opn->Bgs]: Win32 PHP crash

ID: 37397 Updated by: edink@php.net Reported By: alex at onix-systems dot com -Status: Open +Status: Bogus Bug Type: PCRE related Operating System: WinCP PHP Version: 5.1.4 New Comment: Using nested quantifiers will use up all available stack, there is nothing we can do about this. Previous Comments: ------------------------------------------------------------------------ [2006-05-10 13:04:34] alex at onix-systems dot com It crashes as well. ------------------------------------------------------------------------ [2006-05-10 12:42:24] derick@php.net Please try using this CVS snapshot: http://snaps.php.net/php5.2-latest.tar.gz For Windows: http://snaps.php.net/win32/php5.2-win32-latest.zip ------------------------------------------------------------------------ [2006-05-10 12:25:42] alex at onix-systems dot com Description: ------------ Can be reproduced on Win32. Works fine under Linux. Appieared in PHP-5.1.3 ans still exists in PHP-5.1.4 The following code results stack overflow and PHP crash. Code works fine if $a < 1560 Reproduce code: --------------- <? $value = ""; for( $a=0; $a < 1561; $a++ ) { $value .= "t"; } $res = preg_split( '/(?:(?:(?:(?<!\\\\)(?:[\\\\](?:[\\\\]{2})*))+[\$])|[^\$])*/', $value ); ?> Expected result: ---------------- nothing in this example Actual result: -------------- PHP crash ------------------------------------------------------------------------ -- Edit this bug report at http://bugs.php.net/?id=37397&edit=1