From: Operating system: *nix PHP version: 5.2.14 Package: PCRE related Bug Type: Bug Bug description:PHP crash when PCRE exceed recursion limit.
Description: ------------ Hello, I've got "Zero Sized Reply" when I try to replace a long string with PCRE. Test script: --------------- <?php $strtest=''; for($i=0; $i<1024; $i++)$strtest.=chr(rand(1, 254)); $strtest.='B'; for($i=0; $i<1024*512; $i++)$strtest.=chr(rand(1, 254)); $strtest.='signature'; for($i=0; $i<1024; $i++)$strtest.=chr(rand(1, 254)); preg_replace('/b(?:.(?!signature))*.(sig.+)/sim', 'null${1}', $strtest); ?> Expected result: ---------------- blank page Actual result: -------------- ERROR The requested URL could not be retrieved While trying to retrieve the URL: ******* The following error was encountered: Zero Sized Reply Squid did not receive any data for this request. Your cache administrator is *******. Generated Tue, 05 Oct 2010 05:28:19 GMT by ******* (squid/2.7.STABLE3) -- Edit bug report at http://bugs.php.net/bug.php?id=52990&edit=1 -- Try a snapshot (PHP 5.2): http://bugs.php.net/fix.php?id=52990&r=trysnapshot52 Try a snapshot (PHP 5.3): http://bugs.php.net/fix.php?id=52990&r=trysnapshot53 Try a snapshot (trunk): http://bugs.php.net/fix.php?id=52990&r=trysnapshottrunk Fixed in SVN: http://bugs.php.net/fix.php?id=52990&r=fixed Fixed in SVN and need be documented: http://bugs.php.net/fix.php?id=52990&r=needdocs Fixed in release: http://bugs.php.net/fix.php?id=52990&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=52990&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=52990&r=needscript Try newer version: http://bugs.php.net/fix.php?id=52990&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=52990&r=support Expected behavior: http://bugs.php.net/fix.php?id=52990&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=52990&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=52990&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=52990&r=globals PHP 4 support discontinued: http://bugs.php.net/fix.php?id=52990&r=php4 Daylight Savings: http://bugs.php.net/fix.php?id=52990&r=dst IIS Stability: http://bugs.php.net/fix.php?id=52990&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=52990&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=52990&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=52990&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=52990&r=mysqlcfg