Received: by 2002:ac0:a594:0:0:0:0:0 with SMTP id m20-v6csp4667881imm; Fri, 18 May 2018 08:45:36 -0700 (PDT) X-Google-Smtp-Source: AB8JxZp4djKuq5SZEN/zIf2xocp/gciIdSFZlEJ78/XH8qJGjVRZlbnb+rchUsB90k/ZMuV2ZOzG X-Received: by 2002:a65:665a:: with SMTP id z26-v6mr5579163pgv.302.1526658336285; Fri, 18 May 2018 08:45:36 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1526658336; cv=none; d=google.com; s=arc-20160816; b=bWcdQkT5SAkDHhk79NqSJ71u29etJ3lkdOpbHJzT6cF6W70IQRjyyzrsciFvAsY3i/ l2V9YJDrm9Fygq2ZkW56PNcGdJvc+a7MxlLgpgnoRMv5n5PUESbY1ZWmk+Oom+I80qSC jYiWdJFc8MS265N0XyPr14yyyIbxJe4ivCXb0iKM34dIOucCdiKqAoRElE1YIw+4PxHe iwJwOLF3a5AmsgEy923Nx5coV60MJpVem32X84DSpP7Cof8nUMOlLPAuV1gd7uU3/HxB lcPf/GqXAFTNpPVE7N/QigTWUumQqETDy4MUspPFY4KTtJVdRCQWCzedXeSWxcjqUocE 82Ww== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding:mime-version :references:in-reply-to:from:subject:cc:to:message-id:date :arc-authentication-results; bh=M29d1IiiHIa7M9VrLFjlduMp28ppjEc80Ueqe6jOD5A=; b=J7nqLXTz8LEFiZ4uOkRAmSfP343B5VPXfxhQEHWGiNc802zdB4Z4Wiy0lretwA5teK eFcj8COhb/IvoijJ8AAtuLS38UsXpcgtM+fRcR1fdOvsFGMv31xcyubHhe0JjwoWW8qa LGQTqJfFjmfDFh0/iILmBNT9bIudelV2J8A0GTSOZvv4Wwr9marcud4sImuZtpNijqVA AZTKYQ4ROpvlurtgHXFn0gFKSP/2yE9wSxW4wFSnRM+4DolDgkmHE1wu013Zi+53yON1 dPWVs8RpC315MBE+a5jKvqNWVeSuzHMEiOAd9UHZs2zPGlVpV5lHyc/4PKV05UCwPoHT g/Zw== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id r4-v6si8103630pff.24.2018.05.18.08.45.21; Fri, 18 May 2018 08:45:36 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752189AbeERPoj (ORCPT + 99 others); Fri, 18 May 2018 11:44:39 -0400 Received: from shards.monkeyblade.net ([184.105.139.130]:46510 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751184AbeERPog (ORCPT ); Fri, 18 May 2018 11:44:36 -0400 Received: from localhost (67.110.78.66.ptr.us.xo.net [67.110.78.66]) (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 DCE8D142574EB; Fri, 18 May 2018 08:44:34 -0700 (PDT) Date: Fri, 18 May 2018 11:44:33 -0400 (EDT) Message-Id: <20180518.114433.390752642781753429.davem@davemloft.net> To: eric.dumazet@gmail.com Cc: threeearcat@gmail.com, kuznet@ms2.inr.ac.ru, yoshfuji@linux-ipv6.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, byoungyoung@purdue.edu, kt0755@gmail.com, bammanag@purdue.edu, willemb@google.com Subject: Re: WARNING in ip_recv_error From: David Miller In-Reply-To: <293d029c-b14c-a625-3703-97a5754e99f1@gmail.com> References: <20180518120826.GA19515@dragonet.kaist.ac.kr> <293d029c-b14c-a625-3703-97a5754e99f1@gmail.com> X-Mailer: Mew version 6.7 on Emacs 25.3 / Mule 6.0 (HANACHIRUSATO) 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, 18 May 2018 08:44:35 -0700 (PDT) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Eric Dumazet Date: Fri, 18 May 2018 08:30:43 -0700 > We probably need to revert Willem patch (7ce875e5ecb8562fd44040f69bda96c999e38bbc) Is it really valid to reach ip_recv_err with an ipv6 socket?