From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0760DC43387 for ; Fri, 4 Jan 2019 21:06:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id CAD002087F for ; Fri, 4 Jan 2019 21:06:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726170AbfADVGz (ORCPT ); Fri, 4 Jan 2019 16:06:55 -0500 Received: from shards.monkeyblade.net ([23.128.96.9]:48804 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726021AbfADVGz (ORCPT ); Fri, 4 Jan 2019 16:06:55 -0500 Received: from localhost (unknown [IPv6:2601:601:9f80:35cd::cf9]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) (Authenticated sender: davem-davemloft) by shards.monkeyblade.net (Postfix) with ESMTPSA id 2171714C5D370; Fri, 4 Jan 2019 13:06:54 -0800 (PST) Date: Fri, 04 Jan 2019 13:06:53 -0800 (PST) Message-Id: <20190104.130653.986135602696070698.davem@davemloft.net> To: sbrivio@redhat.com Cc: syzbot+4ad25edc7a33e4ab91e0@syzkaller.appspotmail.com, willemdebruijn.kernel@gmail.com, eric.dumazet@gmail.com, kuznet@ms2.inr.ac.ru, yoshfuji@linux-ipv6.org, dvyukov@google.com, syzkaller-bugs@googlegroups.com, linux-kernel@vger.kernel.org, netdev@vger.kernel.org Subject: Re: [PATCH net 0/2] Fix two further potential unbounded recursions in GUE error handlers From: David Miller In-Reply-To: References: X-Mailer: Mew version 6.8 on Emacs 26.1 Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.5.12 (shards.monkeyblade.net [149.20.54.216]); Fri, 04 Jan 2019 13:06:54 -0800 (PST) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Stefano Brivio Date: Thu, 3 Jan 2019 21:43:33 +0100 > Patch 1/2 takes care of preventing the issue fixed by commit 11789039da53 > ("fou: Prevent unbounded recursion in GUE error handler") also with > UDP-Lite payloads -- I just realised this might happen from a syzbot > report. > > Patch 2/2 fixes the issue for both UDP and UDP-Lite on IPv6, which I also > forgot to deal with in that same commit. Series applied, thanks.