Bug #55199 [Opn->Bgs]: Some combination of subject and pattern results in "Segmentation fault"

Edit report at https://bugs.php.net/bug.php?id=55199&edit=1 ID: 55199 Updated by: felipe@php.net Reported by: ivan dot gplus at googlemail dot com Summary: Some combination of subject and pattern results in "Segmentation fault" -Status: Open +Status: Bogus Type: Bug Package: PCRE related Operating System: Linux 2.6.26-2 x86_64 PHP Version: 5.3.6 Block user comment: N Private report: N New Comment: . Previous Comments: ------------------------------------------------------------------------ [2011-07-14 21:11:46] felipe@php.net This is a known issue from PCRE library, not a PHP issue. http://php.net/manual/en/pcre.configuration.php ------------------------------------------------------------------------ [2011-07-13 07:32:25] ivan dot gplus at googlemail dot com Description: ------------ Using a special combination of subject and pattern results in a segmention fault error (or web server not sending any data to client). The problem was first caused in a Zend framework environment (Zend_Filter_StripTags, line 298) but as far as I isolated the responsible code, it crashes even php. Test script: --------------- $pattern = '~(</?)(\w*)((/(?!>)|[^/>])*)(/?>)~'; $subject = ' <P class=MsoNormal 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<br>'; echo 'start.'; preg_match($pattern, $subject); echo 'end.'; Expected result: ---------------- start.end. Actual result: -------------- start.Segmentation fault ------------------------------------------------------------------------ -- Edit this bug report at https://bugs.php.net/bug.php?id=55199&edit=1