From mboxrd@z Thu Jan 1 00:00:00 1970 From: Eric Dumazet Subject: Re: [RFC PATCH] udp: don't rereference dst_entry dev pointer on rcv Date: Sat, 23 Mar 2013 08:09:37 -0700 Message-ID: <1364051377.4431.85.camel@edumazet-glaptop> References: <1362695800-8633-1-git-send-email-tparkin@katalix.com> <1362695800-8633-2-git-send-email-tparkin@katalix.com> <1362696444.15793.220.camel@edumazet-glaptop> <20130307.181527.390191009324148471.davem@davemloft.net> <20130313232743.GA3686@raven> <1363223884.29475.0.camel@edumazet-glaptop> <20130314144550.GB2512@raven> <1363273531.29475.21.camel@edumazet-glaptop> <1363274946.29475.24.camel@edumazet-glaptop> <20130314161436.GC2512@raven> <20130323103139.GA4190@brouette> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Cc: Tom Parkin , David Miller , netdev@vger.kernel.org To: Damien Wyart Return-path: Received: from mail-pd0-f179.google.com ([209.85.192.179]:60905 "EHLO mail-pd0-f179.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751050Ab3CWPJk (ORCPT ); Sat, 23 Mar 2013 11:09:40 -0400 Received: by mail-pd0-f179.google.com with SMTP id x10so1990345pdj.38 for ; Sat, 23 Mar 2013 08:09:40 -0700 (PDT) In-Reply-To: <20130323103139.GA4190@brouette> Sender: netdev-owner@vger.kernel.org List-ID: On Sat, 2013-03-23 at 11:31 +0100, Damien Wyart wrote: > Hi Eric, > > * Tom Parkin [2013-03-14 16:14]: > > On Thu, Mar 14, 2013 at 04:29:06PM +0100, Eric Dumazet wrote: > > > OK, I tested the following one instead, please test it so that I can send an official patch. > > > > Thanks > > > > diff --git a/net/ipv4/ip_fragment.c b/net/ipv4/ip_fragment.c > > > index b6d30ac..2d23830 100644 > > > --- a/net/ipv4/ip_fragment.c > > > +++ b/net/ipv4/ip_fragment.c > > > @@ -529,6 +529,7 @@ found: > > > qp->q.meat == qp->q.len) > > > return ip_frag_reasm(qp, prev, dev); > > > > + skb_dst_drop(skb); > > > inet_frag_lru_move(&qp->q); > > > return -EINPROGRESS; > > > Thanks again, Eric. > > > Sadly, with this patch the oops is back :-( It falls over quite > > quickly for me. > > Just a quick check: do you plan to have another look at this in the > coming days/weeks? You said you had a huge backlog, but in the meantime, > you sent many patches on many topics, so just wanted to check if this > one had not be forgotten for ever. Hi Damien. This one is part of my backlog, I will send a patch soon. Thanks