Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Thu, 14 Dec 2000 14:08:59 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Thu, 14 Dec 2000 14:08:49 -0500 Received: from vp175103.reshsg.uci.edu ([128.195.175.103]:4615 "EHLO moisil.dev.hydraweb.com") by vger.kernel.org with ESMTP id ; Thu, 14 Dec 2000 14:08:40 -0500 Date: Thu, 14 Dec 2000 10:38:01 -0800 Message-Id: <200012141838.eBEIc1v08746@moisil.dev.hydraweb.com> From: Ion Badulescu To: "Mohammad A. Haque" Cc: linux-kernel@vger.kernel.org, davem@redhat.com Subject: ip_defrag is broken (was: Re: test12 lockups -- need feedback) In-Reply-To: <3A38B9C8.B11C4ABC@haque.net> User-Agent: tin/1.4.4-20000803 ("Vet for the Insane") (UNIX) (Linux/2.2.18pre23 (i586)) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 14 Dec 2000 07:15:04 -0500, Mohammad A. Haque wrote: > Were you connected to a network or receiving/sending anything? ip_defrag is broken -- there is an obvious NULL pointer dereference in it, introduced in test12. It doesn't hit normally, because of path MTU discovery, but using NFS causes instant death. I won't venture a fix, as I don't know the networking code well enough. So far, no networking maintainer has had anything to say about this bug on the list... Ion -- It is better to keep your mouth shut and be thought a fool, than to open it and remove all doubt. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org Please read the FAQ at http://www.tux.org/lkml/