Bug #64046 [Opn->Nab]: Segmentation fault in pcre library

Edit report at https://bugs.php.net/bug.php?id=64046&edit=1 ID: 64046 Updated by: pajoye@php.net Reported by: public at miholeus dot com Summary: Segmentation fault in pcre library -Status: Open +Status: Not a bug Type: Bug Package: PCRE related Operating System: Ubuntu 12.04.1 LTS PHP Version: Irrelevant Block user comment: N Private report: N New Comment: Not a PHP bug but pcre recursion classic stack crash, see the numerous other reports for more info. Previous Comments: ------------------------------------------------------------------------ [2013-01-23 18:12:19] krakjoe@php.net This does cause a stack overflow, for some reason the default limits for recursion are very high, maybe someone has an explanation of that. You have: "/'([^'])*'/" Shouldn't that be: "/'([^']*)'/" ? ------------------------------------------------------------------------ [2013-01-22 13:47:19] public at miholeus dot com Description: ------------ The following code causes segmentation fault. You can see the code by link I've provided. Test script: --------------- Code http://pastebin.com/UzBjDaZU Expected result: ---------------- no segfault Actual result: -------------- With gdb: (gdb) run /var/www/work/crm/trunk/pcre.php Starting program: /usr/bin/php /var/www/work/crm/trunk/pcre.php [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". [New Thread 0x7fffe42e4700 (LWP 4329)] [Thread 0x7fffe42e4700 (LWP 4329) exited] Program received signal SIGSEGV, Segmentation fault. 0x00007ffff6d99a62 in ?? () from /lib/x86_64-linux-gnu/libpcre.so.3 ------------------------------------------------------------------------ -- Edit this bug report at https://bugs.php.net/bug.php?id=64046&edit=1