[ros-dev] Re: [ros-svn] [ion] 17811: Major refactoring of the exception handling code + misc fixes:

Alex Ionescu ionucu at videotron.ca
Mon Sep 12 02:39:26 CEST 2005


Hartmut Birr wrote:

>Hi,
>
>calling RaiseException(EXCEPTION_ACCESS_VIOLATION,
>EXCEPTION_NONCONTINUABLE, 0, NULL) from user mode does crash reactos.
>
>- Hartmut
>
>(lib\rtl\exception.c:29) RtlRaiseException(Status 0064fea8)
>(lib\rtl\exception.c:36) ExceptionAddress 7c801fcc
>(ntoskrnl\ke\exception.c:94) KiRaiseException
>(ntoskrnl\ke\i386\exp.c:933) KiDispatchException() called
>(lib\rtl\exception.c:75) RtlRaiseStatus(Status 0x80000002)
>  
>
^^^ It seems that the user-mode context or exception frame is not 
properly aligned (or the Probe check is broken)... I will test and see 
which of the probe fails.

>(lib\rtl\i386\exception.c:59) RtlDispatchException(): 87032998, 870326c8
>(lib\rtl\i386\exception.c:64) RegistrationFrame is 0x87032D30
>(lib\rtl\i386\exception.c:90) Invalid exception frame
>  
>
^^^ RtlpGetStackLimits should not be shared, because the limits have to 
be taken from the thread's teb, not KPCR. This is my fault, I'll fix it 
right now.

Best regards,
Alex Ionescu


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