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=-2.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 autolearn=no 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 3418EC43603 for ; Wed, 4 Dec 2019 16:53:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 05FCA2081B for ; Wed, 4 Dec 2019 16:53:13 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="f4JP/0y0" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728902AbfLDQxM (ORCPT ); Wed, 4 Dec 2019 11:53:12 -0500 Received: from mail-pf1-f195.google.com ([209.85.210.195]:42339 "EHLO mail-pf1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726934AbfLDQxL (ORCPT ); Wed, 4 Dec 2019 11:53:11 -0500 Received: by mail-pf1-f195.google.com with SMTP id 4so118354pfz.9 for ; Wed, 04 Dec 2019 08:53:11 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=Nxoz6BVeNAQHOf9JdrWQqBTT4e/HsPz+1BwMxNNEGCc=; b=f4JP/0y042I07u83Lk0o6+YVPEjqfPyrpm0LNAw3nT3a4MN2YqezN/Gk/Q+gbqANzT dPjhASajQ9TmraiASkeQ56OGocLlUhUW+ozH0pTYxAW3pV8EDzpcv7G+Vfp8aMHPuvA7 FbpOe7b3EpUeilQuQh3JhI+A7AtAptvO/I8XL9UKd9BFcha1hyBw/wrE63A+PYP3kZbe 6omJW1sucKpaMn8kXHyM5wYtA06zP8/6M1nNK+t+EvzgAmYVNUofxkZlwjCzoLqnLqbu G28MV+jbAiKKhOUjY25hCzsn36slsuryuDfOnHety8cEnMg8pA0T0SZa+86WspKWXNl6 eN+Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=Nxoz6BVeNAQHOf9JdrWQqBTT4e/HsPz+1BwMxNNEGCc=; b=kdwNr6z86aFcsNQcf/xxfSrG5qcPipZm4JHBPRSBg2uCU9pBCUghWBa6cSWxnpU0aJ tCT8PNnxwH8yTxodheZwumT8RUV31Lc0IsaQhcdgYX3uJAVB6Rt52Z4npdCUqbo4NUYU UkQjqoY6LXzk85HNDKOPw0g22CuCNuctSScMfOoo1MkSM7lF/uvWePUEsIaw8H1886Cu TB9YFTFuUnoYUrirDEfuoP52qTvtAgmCLJoxecwBzHCnMQUzaaeYJKXd585pzPzJm/7D XO+HV4mdYx7DmfLcKdPI/M5zEbOuT6xUxoo3Cdh53Ypoj/7K2Bg+SW7NDVlUAgGq2oet h/WA== X-Gm-Message-State: APjAAAWiBDDHwS4E4IlDjVS3Oy8LWJg8as0Fo+w9bhzmAoJruJHlCh6u Fp/suDdX4GRq6UsXHJDAVwM= X-Google-Smtp-Source: APXvYqyUdNmlVW0suFscg0c8AtHmBGzwwh++l0EqXWAgEo5htNobtrmAGdwf8Vtr1DG4iEtaGLKeog== X-Received: by 2002:a65:530d:: with SMTP id m13mr4466338pgq.172.1575478391147; Wed, 04 Dec 2019 08:53:11 -0800 (PST) Received: from ?IPv6:2620:15c:2c1:200:55c7:81e6:c7d8:94b? ([2620:15c:2c1:200:55c7:81e6:c7d8:94b]) by smtp.gmail.com with ESMTPSA id x11sm8505399pfn.53.2019.12.04.08.53.09 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 04 Dec 2019 08:53:10 -0800 (PST) Subject: Re: [PATCH net] tcp: Avoid time_after32() underflow when handling syncookies To: Guillaume Nault , Eric Dumazet Cc: Eric Dumazet , David Miller , Jakub Kicinski , netdev , Arnd Bergmann References: <2601e43617d707a28f60f2fe6927b1aaaa0a37f8.1574976866.git.gnault@redhat.com> <20191202215143.GA13231@linux.home> <20191204004654.GA22999@linux.home> <20191204143414.GA2358@linux.home> From: Eric Dumazet Message-ID: <192e1cb1-2cf1-22e8-999b-c74c74492113@gmail.com> Date: Wed, 4 Dec 2019 08:53:08 -0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.9.0 MIME-Version: 1.0 In-Reply-To: <20191204143414.GA2358@linux.home> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On 12/4/19 6:34 AM, Guillaume Nault wrote: > On Tue, Dec 03, 2019 at 06:20:24PM -0800, Eric Dumazet wrote: >> >> Sorry I am completely lost with this amount of text. >> > No problem. I'll write a v2 and remork the problem description to make > it clearer. > >> Whatever solution you come up with, make sure it covers all the points >> that have been raised. >> > Will do. > Thanks. > Le me apologize for my last email. I should have slept first after my long day. Thanks a lot for working on this !