linux-kernel - Re: [PATCH] tproxy: nf_tproxy_assign

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Message-Id: <20100710.123011.260095467.davem@davemloft.net>
Date:	Sat, 10 Jul 2010 12:30:11 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	eric.dumazet@...il.com
Cc:	felipewd@...il.com, kaber@...sh.net, linux-kernel@...r.kernel.org,
	netdev@...r.kernel.org
Subject: Re: [PATCH] tproxy: nf_tproxy_assign_sock() can handle tw sockets

From: Eric Dumazet <eric.dumazet@...il.com>
Date: Sat, 10 Jul 2010 08:17:29 +0200

> Strange thing with your crash report is CR2 value, with unexpected value
> of 000000000b388000 while RAX value is dce8dce85d415d41
> 
> Faulting instruction is :
> 
> 48 83 b8 b0 00 00 00 00   cmpq   $0x0,0xb0(%rax)
> 
> So I would have expected CR2 being RAX+0xb0, but its not.

It could be corruption from elsewhere.  Those last four hex
digits (0x5d415d41) are "]A]A" in ascii, but that could just
be coincidence.

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