#39934 [NEW]: pcre simple segfault ?

From: toggg@php.net Operating system: Irrelevant PHP version: 4.4.4 PHP Bug Type: PCRE related Bug description: pcre simple segfault ? Description: ------------ It is a reduction of http://pear.php.net/bugs/bug.php?id=7908 This test is breaking by repeat=437 by php-4.4.4 Windows NT and 10000 by php 5.1.6 linux FC5 It's not breaking if you give ok=1 or nomatch=1 or reduce enough repeat. Note: it's php version irrelevent , but your sytem forced to choose some. Reproduce code: --------------- <?php error_reporting(E_ALL); ini_set('display_errors', true); function process($matches) { return $matches[0]; } $regex = isset($_GET['ok']) ? '#X(.*?)X#' : '#X((.)*?)X#'; $around = isset($_GET['nomatch']) ? 'Y' : 'X'; $repeat = isset($_GET['repeat']) ? (int) $_GET['repeat'] : 10000; $source = $around . str_repeat('a', $repeat) . $around; $transform = preg_replace_callback($regex, 'process', $source); echo '---Text---' . strlen($source) . "\n"; echo "---Transform---" . strlen($transform) . "\n"; ?> -- Edit bug report at http://bugs.php.net/?id=39934&edit=1 -- Try a CVS snapshot (PHP 4.4): http://bugs.php.net/fix.php?id=39934&r=trysnapshot44 Try a CVS snapshot (PHP 5.2): http://bugs.php.net/fix.php?id=39934&r=trysnapshot52 Try a CVS snapshot (PHP 6.0): http://bugs.php.net/fix.php?id=39934&r=trysnapshot60 Fixed in CVS: http://bugs.php.net/fix.php?id=39934&r=fixedcvs Fixed in release: http://bugs.php.net/fix.php?id=39934&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=39934&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=39934&r=needscript Try newer version: http://bugs.php.net/fix.php?id=39934&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=39934&r=support Expected behavior: http://bugs.php.net/fix.php?id=39934&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=39934&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=39934&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=39934&r=globals PHP 3 support discontinued: http://bugs.php.net/fix.php?id=39934&r=php3 Daylight Savings: http://bugs.php.net/fix.php?id=39934&r=dst IIS Stability: http://bugs.php.net/fix.php?id=39934&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=39934&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=39934&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=39934&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=39934&r=mysqlcfg