[vbox-dev] VBoxTray crash bug

[Huihong Luo]

very recent svn #23996
 
crash occured on seamless mode. I looked at the src code, seems to be very safe, kind of weird about this crash 

--- On Tue, 10/27/09, Andreas - Sun Microsystems <pentagonik at sun.com> wrote:


From: Andreas - Sun Microsystems <pentagonik at sun.com>
Subject: Re: [vbox-dev] VBoxTray crash bug
To: vbox-dev at virtualbox.org
Date: Tuesday, October 27, 2009, 6:39 AM


Huihong,

which exact VBox revision were you using? Please provide us more information so that we can reproduce it. Thanks!

-Andreas


Huihong Luo schrieb:
> a memory corruption error
>  ////////////////////////////////
> Microsoft (R) Windows Debugger Version 6.11.0001.404 X86
> Copyright (c) Microsoft Corporation. All rights reserved.
> 
> 0:007> g
> (648.64c): Access violation - code c0000005 (!!! second chance !!!)
> eax=000004c8 ebx=00990000 ecx=7ffdf000 edx=00990608 esi=0098fd30 edi=009901f8
> eip=7c910717 esp=0012fadc ebp=0012fae8 iopl=0         nv up ei ng nz ac po cy
> cs=001b  ss=0023  ds=0023  es=0023  fs=003b  gs=0000             efl=00000293
> ntdll!wcsncpy+0x198:
> 7c910717 f6460501        test    byte ptr [esi+5],1         ds:0023:0098fd35=??
> 
> WARNING: Stack unwind information not available. Following frames may be wrong.
> ntdll!wcsncpy+0x198
> ntdll!wcsncpy+0x2cd
> VBoxTray!free+0x6e [f:\dd\vctools\crt_bld\self_x86\crt\src\free.c @ 110]
> VBoxTray!VBoxSeamlessCheckWindows+0x170 [c:\virtualbox-dev\vbox\src\vbox\additions\winnt\vboxtray\vboxseamless.cpp @ 271]
> VBoxTray!VBoxServiceStart+0x31a [c:\virtualbox-dev\vbox\src\vbox\additions\winnt\vboxtray\vboxtray.cpp @ 455]
> VBoxTray!WinMain+0x60 [c:\virtualbox-dev\vbox\src\vbox\additions\winnt\vboxtray\vboxtray.cpp @ 549]
> VBoxTray!__tmainCRTStartup+0x177 [f:\dd\vctools\crt_bld\self_x86\crt\src\crt0.c @ 324]
> kernel32!RegisterWaitForInputIdle+0x49
> 
> 
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