#38728 [NEW]: preg_replace in UTF-mode memory leak

From: doktor at farlep dot net Operating system: Linux Slackware 9.1.0 PHP version: 4.4.4 PHP Bug Type: *Regular Expressions Bug description: preg_replace in UTF-mode memory leak Description: ------------ usage unicode character properties \pL and \Sm in function preg_replace give apache memory leak. (apache compilled with libphp4.a) linux load average up to 98 Reproduce code: --------------- $patterns[] = "#\[url=([\pL]+?://[(\pL\Sm\#$%&~/.\-;:=,?@\[\]+]*?)\]([^?\n\r\t].*?)\[/url\]#is"; $replacements[] = $bbcode_tpl['url3']; $text = preg_replace($patterns, $replacements, $text); Expected result: ---------------- replacing unicode characters in bbcode ( work fine with \w property, but in utf mode with values greater than 128 never match) Actual result: -------------- memory leak load average: 98.3 fixed - not usage \pL and \Sm in preg_replace and restarting apache server -- Edit bug report at http://bugs.php.net/?id=38728&edit=1 -- Try a CVS snapshot (PHP 4.4): http://bugs.php.net/fix.php?id=38728&r=trysnapshot44 Try a CVS snapshot (PHP 5.2): http://bugs.php.net/fix.php?id=38728&r=trysnapshot52 Try a CVS snapshot (PHP 6.0): http://bugs.php.net/fix.php?id=38728&r=trysnapshot60 Fixed in CVS: http://bugs.php.net/fix.php?id=38728&r=fixedcvs Fixed in release: http://bugs.php.net/fix.php?id=38728&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=38728&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=38728&r=needscript Try newer version: http://bugs.php.net/fix.php?id=38728&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=38728&r=support Expected behavior: http://bugs.php.net/fix.php?id=38728&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=38728&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=38728&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=38728&r=globals PHP 3 support discontinued: http://bugs.php.net/fix.php?id=38728&r=php3 Daylight Savings: http://bugs.php.net/fix.php?id=38728&r=dst IIS Stability: http://bugs.php.net/fix.php?id=38728&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=38728&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=38728&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=38728&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=38728&r=mysqlcfg