Re: [coLinux-users] coLinux daemon program crash (colinux-slirp-net-daemon)

[Henry N. <hen...@ar...>]

Hello Shai,

Shai Vaingast wrote:
> I've caused this to happen several times and it seems that the crash
> happens at the same point (i.e., same IP, same call stack, same
> disassembly location, etc.)
>
> Call stack:
> COLINUX-SLIRP-NET-DAEMON! 00402b90()
> COLINUX-SLIRP-NET-DAEMON! 004089db()
> COLINUX-SLIRP-NET-DAEMON! 00401d77()
> COLINUX-SLIRP-NET-DAEMON! 0040130d()
> COLINUX-SLIRP-NET-DAEMON! 00401247()
> COLINUX-SLIRP-NET-DAEMON! 00401298()
> KERNEL32! 7c817067()
>
> Registers:
> EAX = 00000001 EBX = 00000002
>   ECX = 77C2C2E3 EDX = 00030608
>   ESI = 0051B03C EDI = 005143E0
>   EIP = 00402B90 ESP = 0023FA20
>   EBP = 0023FA98 EFL = 00000246
>   [...]
>   CS = 001B DS = 0023 ES = 0023 SS = 0023
>   FS = 003B GS = 0000 OV=0 UP=0 EI=1 PL=0
>   ZR=1 AC=0 PE=1 CY=0
>
>   0051B046 = ????
>
>   [...]
>   CTRL = 037F STAT = 0000 TAGS = FFFF
>   EIP = 00000000
>   CS = 0000 DS = 0000 EDO = 00000000
>
> Disassembly (current location is 00402B90, I've added a few lines
> before as well).
> 00402B66   je          00402B90
> 00402B68   mov         ecx,dword ptr [ebp-30h]
> 00402B6B   cmp         word ptr [ecx+8],9
> 00402B70   jle         00402D67
> 00402B76   mov         edi,dword ptr [ebp-30h]
> 00402B79   mov         eax,dword ptr [edi+8]
> 00402B7C   sub         eax,3
> 00402B7F   cmp         ax,7
> 00402B83   jbe         00402D5D
> 00402B89   lea         esi,[esi]
> --->  00402B90   movzx       eax,word ptr [esi+0Ah]
> 00402B94   dec         eax
> 00402B95   cmp         ax,4
> 00402B99   ja          00402BA5
> [...]
>
> The exception is an access violation.

Many thanks for the stack backtrace. I will check it.

-- 
Henry N.