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Bug #42712 Crash
Submitted: 2007-09-19 14:24 UTC Modified: 2007-09-27 01:00 UTC
Votes:1
Avg. Score:5.0 ± 0.0
Reproduced:1 of 1 (100.0%)
Same Version:1 (100.0%)
Same OS:1 (100.0%)
From: markjwiltshire at yahoo dot com Assigned:
Status: No Feedback Package: Apache2 related
PHP Version: 5.2.4 OS: Windows 2003 SP2
Private report: No CVE-ID: None
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 [2007-09-19 14:24 UTC] markjwiltshire at yahoo dot com 
Description:
------------
http.exe crashes when running mediawiki 1.9.2
running backtrace can see it is caused by

In httpd__PID__844__Date__09_19_2007__Time_03_07_32PM__0__Second_Chance_Exception_C00000FD.dmp the assembly instruction at ntdll!_SEH_prolog+1a in C:\WINDOWS\system32\ntdll.dll from Microsoft Corporation has caused a stack overflow exception (0xC00000FD) when trying to write to memory location 0x059a2f7c on thread 249


Type of Analysis Performed   Crash Analysis 
Machine Name   WKUKWIKI 
Operating System   Windows Server 2003 Service Pack 2 
Number Of Processors   1 
Process ID   844 
Process Image   C:\Apache2.2\bin\httpd.exe 
System Up-Time   00:04:11 
Process Up-Time   00:00:25 


Thread 249 - System ID 2712
Entry point   msvcrt!_endthreadex+2f 
Create time   19/09/2007 15:07:08 
Time spent in user mode   0 Days 0:0:1.31 
Time spent in kernel mode   0 Days 0:0:0.625 






Function     Arg 1     Arg 2     Arg 3   Source 
ntdll!_SEH_prolog+1a     00260000     00000000     00000144    
msvcrt!malloc+6c     00000144     00000000     075de6e3    
php5ts!php_pcre_exec+a52     06d50da8     059a32b8     7c829f3d    
ntdll!RtlpFreeToHeapLookaside+22     00260000     00000000     00000000    
ntdll!RtlFreeHeap+20e     00000000     00000000     ffffffff    
0x075de5d0     059a3354     00000000     00000000    




NTDLL!_SEH_PROLOG+1AIn httpd__PID__844__Date__09_19_2007__Time_03_07_32PM__0__Second_Chance_Exception_C00000FD.dmp the assembly instruction at ntdll!_SEH_prolog+1a in C:\WINDOWS\system32\ntdll.dll from Microsoft Corporation has caused a stack overflow exception (0xC00000FD) when trying to write to memory location 0x059a2f7c on thread 249

Module Information 
Image Name: C:\WINDOWS\system32\ntdll.dll   Symbol Type:  PDB 
Base address: 0x7c800000   Time Stamp:  Sat Feb 17 14:02:00 2007  
Checksum: 0x000bd6f9   Comments:   
COM DLL: False   Company Name:  Microsoft Corporation 
ISAPIExtension: False   File Description:  NT Layer DLL 
ISAPIFilter: False   File Version:  5.2.3790.3959 (srv03_sp2_rtm.070216-1710) 
Managed DLL: False   Internal Name:  ntdll.dll 
VB DLL: False   Legal Copyright:  ? Microsoft Corporation. All rights reserved. 
Loaded Image Name:  ntdll.dll   Legal Trademarks:   
Mapped Image Name:     Original filename:  ntdll.dll 
Module name:  ntdll   Private Build:   
Single Threaded:  False   Product Name:  Microsoft? Windows? Operating System 
Module Size:  768.00 KBytes   Product Version:  5.2.3790.3959 
Symbol File Name:  c:\symcache\ntdll.pdb\93E72E109DC84F16AA54797E4DA8C1682\ntdll.pdb   Special Build:  & 


No php error info

Reproduce code:
---------------
Editing mediawiki page, normal pages are displayed correctly, when I click on edit, httpd.exe crashes

Apache (2.2.4) Error log shows...

[Wed Sep 19 14:27:26 2007] [notice] Parent: child process exited with status 128 -- Restarting.
[Wed Sep 19 14:27:26 2007] [notice] Apache/2.2.4 (Win32) PHP/5.2.4 configured -- resuming normal operations
[Wed Sep 19 14:27:26 2007] [notice] Server built: Jan  9 2007 23:17:20
[Wed Sep 19 14:27:26 2007] [notice] Parent: Created child process 1080
[Wed Sep 19 14:27:27 2007] [notice] Child 1080: Child process is running
[Wed Sep 19 14:27:27 2007] [notice] Child 1080: Acquired the start mutex.
[Wed Sep 19 14:27:27 2007] [notice] Child 1080: Starting 250 worker threads.
[Wed Sep 19 14:27:27 2007] [notice] Child 1080: Starting thread to listen on port 80.


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

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 [2007-09-19 19:54 UTC] iliaa@php.net 
Thank you for this bug report. To properly diagnose the problem, we
need a short but complete example script to be able to reproduce
this bug ourselves. 

A proper reproducing script starts with <?php and ends with ?>,
is max. 10-20 lines long and does not require any external 
resources such as databases, etc. If the script requires a 
database to demonstrate the issue, please make sure it creates 
all necessary tables, stored procedures etc.

Please avoid embedding huge scripts into the report.
 [2007-09-27 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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