From owner-freebsd-net  Fri Aug  3 14: 7:23 2001
Delivered-To: freebsd-net@freebsd.org
Received: from coconut.itojun.org (coconut.itojun.org [210.160.95.97])
	by hub.freebsd.org (Postfix) with ESMTP id EBD3937B401
	for <freebsd-net@freebsd.org>; Fri,  3 Aug 2001 14:07:21 -0700 (PDT)
	(envelope-from itojun@itojun.org)
Received: from itojun.org (localhost [127.0.0.1])
	by coconut.itojun.org (Postfix) with ESMTP
	id DFC934B21; Sat,  4 Aug 2001 06:07:20 +0900 (JST)
To: Bill Fenner <fenner@research.att.com>
Cc: freebsd-net@freebsd.org
In-reply-to: fenner's message of Fri, 03 Aug 2001 14:04:36 MST.
      <200108032104.OAA22596@windsor.research.att.com> 
X-Template-Reply-To: itojun@itojun.org
X-Template-Return-Receipt-To: itojun@itojun.org
X-PGP-Fingerprint: F8 24 B4 2C 8C 98 57 FD  90 5F B4 60 79 54 16 E2
Subject: Re: kernel upgrade causes truncated IPSEC packets 
From: itojun@iijlab.net
Date: Sat, 04 Aug 2001 06:07:20 +0900
Message-ID: <5032.996872840@itojun.org>
Sender: owner-freebsd-net@FreeBSD.ORG
Precedence: bulk
List-ID: <freebsd-net.FreeBSD.ORG>
List-Archive: <http://docs.freebsd.org/mail/> (Web Archive)
List-Help: <mailto:majordomo@FreeBSD.ORG?subject=help> (List Instructions)
List-Subscribe: <mailto:majordomo@FreeBSD.ORG?subject=subscribe%20freebsd-net>
List-Unsubscribe: <mailto:majordomo@FreeBSD.ORG?subject=unsubscribe%20freebsd-net>
X-Loop: FreeBSD.org

>>	[0-length mbuf in the chain] is perfectly legal, and can happen
>>	by result of m_cat()/m_split() calls from ipsec code.
>I don't see any m_cat() or m_split() happening on output; they're all in
>ah_input.c and esp_input.c .

	i need to go through the detail, but something equivalent to
	these functions happen everywhere in ipsec code.

itojun

To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-net" in the body of the message