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Date:      Mon, 29 Aug 2005 17:08:56 -0500 (CDT)
From:      Mike Silbersack <silby@silby.com>
To:        Andre Oppermann <andre@freebsd.org>
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
Message-ID:  <20050829170809.L55561@odysseus.silby.com>
In-Reply-To: <43136DAC.4318A183@freebsd.org>
References:  <200508291958.j7TJwvd0093355@repoman.freebsd.org> <43136DAC.4318A183@freebsd.org>

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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.

Mike "Silby" Silbersack



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