#41626 [Opn->Fbk]: child pid exit signal Illegal instruction

ID: 41626 Updated by: tony2001@php.net Reported By: ilya at qubis dot org -Status: Open +Status: Feedback Bug Type: PCRE related Operating System: FreeBSD 6.2 PHP Version: 5.2.3 New Comment: >GNU gdb 6.1.1 [FreeBSD] Try updating GDB. Previous Comments: ------------------------------------------------------------------------ [2007-06-07 14:19:24] ilya at qubis dot org Oops, man! http://bugs.php.net/bugs-generating-backtrace.php for *NIX I've decided use the way "If you can't get a core file:" but: [root@mars ~]# gdb /usr/local/sbin/httpd GNU gdb 6.1.1 [FreeBSD] Copyright 2004 Free Software Foundation, Inc. GDB is free software, covered by the GNU General Public License, and you are welcome to change it and/or distribute copies of it under certain conditions. Type "show copying" to see the conditions. There is absolutely no warranty for GDB. Type "show warranty" for details. This GDB was configured as "i386-marcel-freebsd"... (gdb) run -X Starting program: /usr/local/sbin/httpd -X warning: Unable to get location for thread creation breakpoint: generic error [New LWP 100126] [New Thread 0x80b0000 (LWP 100126)] gdb in realloc(): error: pointer to wrong page Abort trap: 6 (core dumped) [root@mars ~]# any suggections? ------------------------------------------------------------------------ [2007-06-07 13:14:23] tony2001@php.net Thank you for this bug report. To properly diagnose the problem, we need a backtrace to see what is happening behind the scenes. To find out how to generate a backtrace, please read http://bugs.php.net/bugs-generating-backtrace.php for *NIX and http://bugs.php.net/bugs-generating-backtrace-win32.php for Win32 Once you have generated a backtrace, please submit it to this bug report and change the status back to "Open". Thank you for helping us make PHP better. The infamous PCRE stack overflow AGAIN? Please tell me I'm wrong.. ------------------------------------------------------------------------ [2007-06-07 13:12:41] ilya at qubis dot org New info: this bug is only for pcre 7.0 (PCRE Library Version 7.0 18-Dec-2006) ------------------------------------------------------------------------ [2007-06-07 13:08:55] ilya at qubis dot org Description: ------------ preg_match on utf-8 string works fine from cli, but in apache environment (mod_php5.so) silently falls with message in main http-errorlog Reproduce code: --------------- script: http://fizz.qubis.org/xj/test.php source: http://fizz.qubis.org/xj/test.phps resource file: http://fizz.qubis.org/xj/mail.xml Expected result: ---------------- any warning, some output like Array ( [0] => <body> ... Actual result: -------------- blank screen ------------------------------------------------------------------------ -- Edit this bug report at http://bugs.php.net/?id=41626&edit=1