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Bug #44402 Declare crashes Apache
Submitted: 2008-03-11 00:09 UTC Modified: 2008-03-11 21:34 UTC
From: kalle@php.net Assigned:
Status: Not a bug Package: Reproducible crash
PHP Version: 5.2.5 OS: Windows Vista
Private report: No CVE-ID: None
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From: kalle@php.net
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 [2008-03-11 00:09 UTC] kalle@php.net 
Description:
------------
Using the declare construct causes Apache to crash on Windows Vista, aslong the "declare(ticks=n)" is present anywhere in the code it seems to crash Apache.

I havn't tried this under IIS though and any other operating systems.

Reproduce code:
---------------
<?php
	declare(ticks=1);
?>

Or even the example on the documentation page

Expected result:
----------------
No crash

Actual result:
--------------
Windows promts me saying Apache has crashed with this message:

Problem signature:
  Problem type: APPCRASH
  Program name: httpd.exe
  Program version: 2.2.6.0
  Timestamp for program: 46deb625
  Error module name: StackHash_d351
  Error module version: 0.0.0.0
  Timestamp on error module: 00000000
  Exception code: c0000005
  Exception Shifting: 666f7270
  OS version: 6.0.6000.2.0.0.256.1
  Country standard id: 1030
  More information 1: d351
  More information 2: e4c68b1163c602091f1022ca6cd48c47
  More information 3: a7a4
  More information 4: e8322cccddd45a35753f145051c9d41d


This is a translation of the box I retrive from Windows when executing any of the above examples.

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 [2008-03-11 00:12 UTC] kalle@php.net 
Changed category to Preproducible Crash
 [2008-03-11 12:08 UTC] felipe@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.
 [2008-03-11 15:31 UTC] kalle@php.net 
When I run the debug tool I get this if its what you mean:
Function     Arg 1     Arg 2     Arg 3   Source 
0x025f7816     00000001     018a6fa2     06edf990    
php5ts!php_remove_tick_function+8f     06edf990     01d1fb74     025e6c80    
php5ts!zend_llist_apply_with_argument+22     025f85ec     018c1620     01d1fb74    
php5ts!php_remove_tick_function+7b     06edbd00     00000000     06edbb30    
php5ts!zend_llist_del_element+94     06edbb30     025e6c80     00000000    
php5ts!zend_execute_scripts+107     00000000     00000000     00000000    


Heres a full screenshot of the debug report:
http://www.kalleload.com/uploads/kooaogvfial.jpg


I had to attach it to httpd.exe as I wasn't able to reproduce this in cli mode.
 [2008-03-11 21:34 UTC] jani@php.net 
Please check the manual: http://www.php.net/register_tick_function
(and especially the note about threaded servers..) 

Not bug.
 
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