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Date: Tue, 30 Aug 2005 00:24:47 +0200
From: Andre Oppermann <andre@freebsd.org>
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To: Mike Silbersack <silby@silby.com>
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Cc: cvs-src@FreeBSD.org, src-committers@FreeBSD.org, cvs-all@FreeBSD.org
Subject: Re: cvs commit: src/sys/sys mbuf.h src/sys/kern uipc_mbuf.c
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Mike Silbersack wrote:
> 
> On Mon, 29 Aug 2005, Andre Oppermann wrote:
> 
> > A kernel with m_santiy() as the first thing in ip_output() doesn't
> > survive the first outgoing TCP connection.
> >
> > There are a lot of strange and sometimes right out incorrect mbuf
> > (ab)uses in the kernel.
> >
> > --
> > Andre
> 
> I can tell you one of the problems - tcp_reass moves the m_data pointer
> forward, then continues to use the data in the pre-pointer area.

This is not the problem here.  tcp_reass is not involved in the ip_output()
path.

-- 
Andre