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Bug #34024 PHP has encountered an Access Violation at 019382DF (ISAPI)
Submitted: 2005-08-07 02:03 UTC Modified: 2005-08-15 01:00 UTC
Votes:1
Avg. Score:5.0 ± 0.0
Reproduced:1 of 1 (100.0%)
Same Version:0 (0.0%)
Same OS:0 (0.0%)
From: andrey at cherezov dot koenig dot su Assigned:
Status: No Feedback Package: Scripting Engine problem
PHP Version: 5CVS-2005-08-07 (dev) OS: Windows 2003
Private report: No CVE-ID: None
View Developer Edit
 [2005-08-07 02:03 UTC] andrey at cherezov dot koenig dot su 
Description:
------------
Thank you for fixing the previous critical bug (double cookies)! Next one:
The search engine (Yandex.ru) scanning our PhpBB forum. All pages processed OK, but 1-2 times per day PHP 5.1 gives error 500 and terminates all its threads, and I forced to restart the web-server. The current snap was installed morning today (because the previous one is also failing, but with other exceptions address). Here is a debug dump of failed request:

ThreadId=7  /forum/viewtopic.php
::GET::
::p=9851&sid=47a888dbfb6bd5c2d8159ac179514a5f::
::/forum/viewtopic.php::
::c:/web/new/mdaemon.ru/wwwroot/forum/viewtopic.php::
>>SCRIPT_NAME=/forum/viewtopic.php
Map logical path:</forum/viewtopic.php>
[c:\web\new\mdaemon.ru\wwwroot\forum\viewtopic.php]
>>HTTP_COOKIE=
>>ALL_HTTP=HTTP_HOST: www.mdaemon.ru
HTTP_CONNECTION: Keep-Alive
HTTP_ACCEPT: text/html, application/pdf;q=0.1, application/rtf;q=0.1, text/rtf;q=0.1, application/msword;q=0.1, application/x-shockwave-flash;q=0.1, application/vnd.ms-excel;q=0.1, application/vnd.ms-powerpoint;q=0.1
HTTP_ACCEPT_LANGUAGE: ru, uk, be, en, *;q=0.01
HTTP_IF_MODIFIED_SINCE: Thu, 14 Jul 2005 19:49:31 GMT
HTTP_USER_AGENT: Yandex/1.01.001 (compatible; Win16; I)
HTTP_FROM: webadmin@yandex.ru
>>HTTPS=
>>SCRIPT_NAME=/forum/viewtopic.php
>>AUTH_PASSWORD=
>>AUTH_TYPE=
>>AUTH_USER=
>>CONTENT_LENGTH=0
>>CONTENT_TYPE=
>>PATH_TRANSLATED=c:/web/new/mdaemon.ru/wwwroot/forum/viewtopic.php >>QUERY_STRING=p=9851&sid=47a888dbfb6bd5c2d8159ac179514a5f
>>REMOTE_ADDR=213.180.216.167
>>REMOTE_HOST=213.180.216.167
>>REMOTE_USER=
>>REQUEST_METHOD=GET
>>SERVER_NAME=www.mdaemon.ru
>>SERVER_PORT=80
>>SERVER_PROTOCOL=HTTP/1.0
>>SERVER_SOFTWARE=acWEB/3.0.6678
>>APPL_MD_PATH=
>>APPL_PHYSICAL_PATH=
>>INSTANCE_ID=
>>INSTANCE_META_PATH=
>>LOGON_USER=
>>REQUEST_URI=/forum/viewtopic.php?p=9851&sid=47a888dbfb6bd5c2d8159ac179514a5f
>>URL=
>>SCRIPT_NAME=/forum/viewtopic.php
>>PATH_INFO=/forum/viewtopic.php
>>PATH_TRANSLATED=c:/web/new/mdaemon.ru/wwwroot/forum/viewtopic.php
Map logical path:<>
Map logical path:</>
>>HTTP_AUTHORIZATION=
Exactly the same as for all successfull request, but result:
Sat, 06 Aug 2005 18:25:20 -0500 www.mdaemon.ru/forum/viewtopic.php

HTTP/1.0 500 Internal Server Error
Content-Type: text/html

PHP has encountered an Access Violation at 019382DF
HttpExtensionProc() returned 1 

IsapiRunExtension RETURNED (ThreadId=7)


Reproduce code:
---------------
None. Seems, this is an ISAPI or session related problem.

Expected result:
----------------
Page load.

Actual result:
--------------
PHP has encountered an Access Violation at 019382DF

Patches

Pull Requests

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 [2005-08-07 04:30 UTC] sniper@php.net 
Does this happen if you use Apache2 instead?
(if you haven't tried, try it)
 [2005-08-07 04:46 UTC] andrey at cherezov dot koenig dot su 
I can't use Apache2 on this site - there a lot of virtual hosts on this server depending of exact configuration, not supported by Apache at all.

This address 019382DF not gives a pointer to a problem function? I can run on the my server any debug PHP version and send its trace log (or how you explore such bugs) to you, if you need.

Any PHP variant, but not Apache, sorry.
 [2005-08-07 11:47 UTC] derick@php.net 
Actually, if you insist on using PHP with IIS, I suggest to use the FastCGI modules instead. Much more stable (no threading required, can never crash your full webserver) and just as fast as the ISAPI module.
 [2005-08-07 13:08 UTC] sniper@php.net 
Grab the debug pack: 
http://snaps.php.net/win32/php5-dbgpack-win32-latest.zip

Install it and try see if you get more meaningful traces.
 [2005-08-07 15:15 UTC] andrey at cherezov dot koenig dot su 
How to run PHP with these pdb files? (non interactive, to write logs...)
 [2005-08-07 16:34 UTC] sniper@php.net 
Just install them? Try google for the how-to, I don't know..
 [2005-08-15 01:00 UTC] php-bugs at lists dot php dot net 
No feedback was provided for this bug for over a week, so it is
being suspended automatically. If you are able to provide the
information that was originally requested, please do so and change
the status of the bug back to "Open".
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