Edit report at http://bugs.php.net/bug.php?id=50918&edit=1

 ID:               50918
 Comment by:       bugs-php-net at onethumb dot com
 Reported by:      hardon at online dot no
 Summary:          Access violation in php.exe (Bug #49626 redux)
 Status:           Assigned
 Type:             Bug
 Package:          Reproducible crash
 Operating System: win32 only - Windows
 PHP Version:      5.3.1
 Assigned To:      pajoye

 New Comment:

I'm experiencing this bug (or something extremely similar) on PHP v5.3.2
on 

CentOS 5.4.



Essentially, if I build PHP with --enable-maintainer-zts (for use with
Apache's 

worker mpm) and try to load any extensions, PHP instantly segfaults at 

/ext/date/php_date.c:844 in guess_timezone() when it tries to call 

DATEG(timezone):



(gdb) run

Starting program: /home/onethumb/zts/php-5.3.2/sapi/cli/php 

[Thread debugging using libthread_db enabled]

[New Thread 0x2b1fea7adc00 (LWP 20681)]



Program received signal SIGSEGV, Segmentation fault.

0x000000000042ab9d in guess_timezone (tzdb=0xea1f60, tsrm_ls=0x1f370500)
at 

/home/onethumb/zts/php-5.3.2/ext/date/php_date.c:844

844             if (DATEG(timezone) && (strlen(DATEG(timezone)) > 0)) {





I have date.timezone properly set in php.ini.  Running without any
extensions 

confirms.  



Hardcoding guess_timezone() to return a valid timezone simply moves the
crash 

farther into php_date, to the next DATEG() call in timezone caching.



Extensions I've tried include very common PECL extensions like zip, apc,
and 

memcached, among others.  Adding any "extension = " line to php.ini
appears to 

trigger this crash.


Previous Comments:
------------------------------------------------------------------------
[2010-03-31 12:31:48] paj...@php.net

Let me try to give Derick a bt and details about the crash.

------------------------------------------------------------------------
[2010-03-18 09:02:02] progunster at gmail dot com

Well, after reboot I can't reproduce it anymore.

So, what i did:

1.) Installed httpd-2.2.15-win32-x86-openssl-0.9.8m-r2.msi 

It Works!

2.) Changed httpd.conf, to disable http and enable https (also created
self-signed certificates)

3.) Installed PHP from php-5.3.2-Win32-VC6-x86.msi

Right after that httpd.exe was crashing on start. After reboot it all
went gone.

On another computer it was the same.

------------------------------------------------------------------------
[2010-03-17 16:05:53] paj...@php.net

When does this crash happen exactly? As you seem to be able to reproduce
it, always, I would like to know how :)

------------------------------------------------------------------------
[2010-03-17 15:43:30] progunster at gmail dot com

Added

date.timezone = "Europe/Kiev"

to [Date] section of php.ini, it didn't helped.

Same error, same place.

------------------------------------------------------------------------
[2010-03-17 15:01:48] paj...@php.net

btw, it is not windows specific, crashes occur on other platform as
well.

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


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