Bug #64046 [Com]: Segmentation fault in pcre library

From: Date: Wed, 23 Jan 2013 18:12:19 +0000
Subject: Bug #64046 [Com]: Segmentation fault in pcre library
References: 1  Groups: php.bugs 
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Edit report at https://bugs.php.net/bug.php?id=64046&edit=1

 ID:                 64046
 Comment by:         krakjoe@php.net
 Reported by:        public at miholeus dot com
 Summary:            Segmentation fault in pcre library
 Status:             Open
 Type:               Bug
 Package:            PCRE related
 Operating System:   Ubuntu 12.04.1 LTS
 PHP Version:        Irrelevant
 Block user comment: N
 Private report:     N

 New Comment:

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:
"/'([^']*)'/"

?


Previous Comments:
------------------------------------------------------------------------
[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


------------------------------------------------------------------------



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