#46920 [NEW]: preg_* fails with long matches

From: gdiego at gmail dot com Operating system: linux PHP version: 5.2.8 PHP Bug Type: PCRE related Bug description: preg_* fails with long matches Description: ------------ If the match for a regex is very long, it fails. Reproduce code: --------------- $a='A'; for ($i = 0; $i < 1024; $i++) $a.='a'; $a.='A'; var_dump(preg_match('/A(.*?)A/', $a, $m)); $a='A'; for ($i = 0; $i < 131072; $i++) $a.='a'; $a.='A'; var_dump(preg_match('/A(.*?)A/', $a, $m)); Expected result: ---------------- int(1) int(1) Actual result: -------------- int(1) int(0) -- Edit bug report at http://bugs.php.net/?id=46920&edit=1 -- Try a CVS snapshot (PHP 5.2): http://bugs.php.net/fix.php?id=46920&r=trysnapshot52 Try a CVS snapshot (PHP 5.3): http://bugs.php.net/fix.php?id=46920&r=trysnapshot53 Try a CVS snapshot (PHP 6.0): http://bugs.php.net/fix.php?id=46920&r=trysnapshot60 Fixed in CVS: http://bugs.php.net/fix.php?id=46920&r=fixedcvs Fixed in CVS and need be documented: http://bugs.php.net/fix.php?id=46920&r=needdocs Fixed in release: http://bugs.php.net/fix.php?id=46920&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=46920&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=46920&r=needscript Try newer version: http://bugs.php.net/fix.php?id=46920&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=46920&r=support Expected behavior: http://bugs.php.net/fix.php?id=46920&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=46920&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=46920&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=46920&r=globals PHP 4 support discontinued: http://bugs.php.net/fix.php?id=46920&r=php4 Daylight Savings: http://bugs.php.net/fix.php?id=46920&r=dst IIS Stability: http://bugs.php.net/fix.php?id=46920&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=46920&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=46920&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=46920&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=46920&r=mysqlcfg