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 589A9C432C3 for ; Mon, 2 Dec 2019 02:23:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 2C25020833 for ; Mon, 2 Dec 2019 02:23:42 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="UgDroZET" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727354AbfLBCXY (ORCPT ); Sun, 1 Dec 2019 21:23:24 -0500 Received: from mail-pf1-f180.google.com ([209.85.210.180]:39498 "EHLO mail-pf1-f180.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727285AbfLBCXY (ORCPT ); Sun, 1 Dec 2019 21:23:24 -0500 Received: by mail-pf1-f180.google.com with SMTP id x28so17691881pfo.6 for ; Sun, 01 Dec 2019 18:23:23 -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=RKHQkROqUsIA1U7zF2OcwdUVM3/MpQ+b/q7sXYQGJPQ=; b=UgDroZETrHoK001TuB23HdPKpqy8bxgqLieA1iITRl2MFIprjCOIojjIqNmB5lUegI RKp2AHsLM+7Tx7CpnhvcYRN3Zn62il1Q7vAU6aY2aJsBtvZPI7WXJluz3t41/NCI7pzB sgGueEf0O7hR/MU9dlelMlChH6e1dpA9ICO1W+qG1yFEjc/oa/5qMwBOB9KIkQfTomYv GKnH7CFSkUcUb7a4wyAlzpCCg3WK+7dIFLuACpabure/q9vkCwXW8uDMu5ylJl8mZSA8 7Zf30eW9z3vAhDHPLcqAUym7miXkwb4eC/b8TYyKSSvSEoTE8k+xcRjTT1bUvgo+3oW4 Sb4Q== 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=RKHQkROqUsIA1U7zF2OcwdUVM3/MpQ+b/q7sXYQGJPQ=; b=rtUJfGOQaJqRO/lAlF/aI0HNSArQFn/0+78LnIzekszmBaI75bWLyhRP8IHclXgJPb 88svJicHzssfT/tgXTfTKohIXjn1zQXNxEL4SzMaaA0K7inKJ/27b7OCd7On5pr1+2K8 TB65EDHtgxXYTTYIUiNu4qtSQ1DT9cvLDOPbd7JCWTwoQHWObdmY5whiS03a7gU5AngM D+AeIUvizh2r+rBT5He2+fj6sf+DoIUwj/q/57KWjWP1ruO2MBYoL+3ulnCeYU4KSIqJ PG3fb29SHrBSq2PvdxMb/vDkpu9M327g9om4CaSAB8kjx7Ub19oUBa9j/9HHKKs/K3+l Kavg== X-Gm-Message-State: APjAAAUfs6R1T/93mJQJZjE23vZ6MygoyclgydipemfJ1I8vTzXDgfPm 9WD3AcAlTuqQMkIf5UJzP24= X-Google-Smtp-Source: APXvYqxoP3cveq85Vr4bAOOQV+JwWZgqg43KvExSO7KpHzMe/jdQ2v1DuWgBk971AnF6Cnn+HnV9Ug== X-Received: by 2002:a63:1953:: with SMTP id 19mr23228779pgz.157.1575253403514; Sun, 01 Dec 2019 18:23:23 -0800 (PST) Received: from [192.168.86.235] (c-73-241-150-58.hsd1.ca.comcast.net. [73.241.150.58]) by smtp.gmail.com with ESMTPSA id m14sm31439883pgn.41.2019.12.01.18.23.21 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sun, 01 Dec 2019 18:23:22 -0800 (PST) Subject: Re: Crash when receiving FIN-ACK in TCP_FIN_WAIT1 state To: Avinash Patil , subashab@codeaurora.org Cc: Eric Dumazet , Josh Hunt , Neal Cardwell , Netdev , Yuchung Cheng References: <68ad6fb82c0edfb788c7ce1a3bdc851b@codeaurora.org> <2279a8988c3f37771dda5593b350d014@codeaurora.org> <81ace6052228e12629f73724236ade63@codeaurora.org> <74827a046961422207515b1bb354101d@codeaurora.org> <827f0898-df46-0f05-980e-fffa5717641f@akamai.com> <5a267a9d-2bf5-4978-b71d-0c8e71a64807@gmail.com> <0101016eba384308-7dd6b335-8b75-4890-8733-a4dde8064d11-000000@us-west-2.amazonses.com> From: Eric Dumazet Message-ID: Date: Sun, 1 Dec 2019 18:23:21 -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: 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 11/29/19 9:39 PM, Avinash Patil wrote: > Hi Eric, > > This crash looks quite similar to the one I am experiencing [1] and > reported already. > > [1] https://www.spinics.net/lists/netdev/msg611694.html > Please start a bisection. Thanks you.