From: Malte =?iso-8859-1?q?Schr=F6der?= <MalteSch@gmx.de>
To: David Miller <davem@davemloft.net>
Subject: Re: Linux 2.6.19
Date: Thu, 30 Nov 2006 21:30:19 +0100
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On Thursday 30 November 2006 03:15, David Miller wrote:
> From: Phil Oester <kernel@linuxace.com>
> Date: Wed, 29 Nov 2006 17:49:04 -0800
>
> > Getting an oops on boot here, caused by commit
> > e81c73596704793e73e6dbb478f41686f15a4b34 titled
> > "[NET]: Fix MAX_HEADER setting".
> >
> > Reverting that patch fixes things up for me.  Dave?
>
> I suspect that it might be because I removed the IPV6
> ifdef from the list,  but I can't imagine why that would
> matter other than due to a bug in the IPV6 stack....
>
> Indeed.
>
> Looking at ndisc_send_rs() I wonder if it miscalculates
> 'len' or similar and the old MAX_HEADER setting was
> merely papering around this bug....
>
> In fact it does, the NDISC code is using MAX_HEADER incorrectly.  It
> needs to explicitly allocate space for the struct ipv6hdr in 'len'.
> Luckily the TCP ipv6 code was doing it right.
>
> What a horrible bug, this patch should fix it.  Let me know
> if it doesn't, thanks:

I also encountered this bug (wasn't there in -rc6). The patch also fixes it=
=20
for me.

regards
=2D-=20
=2D--------------------------------------
Malte Schr=F6der
MalteSch@gmx.de
ICQ# 68121508
=2D--------------------------------------


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