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=-2.3 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 3F3B0C7618B for ; Wed, 24 Jul 2019 10:44:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 17CDF229ED for ; Wed, 24 Jul 2019 10:44:49 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="FwoT2uMj" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726952AbfGXKop (ORCPT ); Wed, 24 Jul 2019 06:44:45 -0400 Received: from mail-wr1-f68.google.com ([209.85.221.68]:40299 "EHLO mail-wr1-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726070AbfGXKoo (ORCPT ); Wed, 24 Jul 2019 06:44:44 -0400 Received: by mail-wr1-f68.google.com with SMTP id r1so46413480wrl.7; Wed, 24 Jul 2019 03:44:43 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:to:references:from:message-id:date:user-agent:mime-version :in-reply-to:content-language:content-transfer-encoding; bh=VSyy1S/fbTjJgED/rizgeHH0wlDygBVpXbt87CoVbz8=; b=FwoT2uMjqovfPMxfybogj6bljs2dJd6Sxf97lq1CI3Mh5MZ00uC8omSpb4BdqKQuc0 878597O4AbPRNnDMU/X9FzYlnISdPcEhwN5/+WwlLhC2I4UtRU64V70dLiXfJENtEIpj ppRUoPi8YXE9zN8B3CoeAK/gQ15rUqkJwj0R/JXnMLJmt25zNcRwmmCJuFFU4J0ctSqo SX0ekSwZhmXPCAWSdZ5DmWmQ/lAaTgzLJfSwJS4IBmIybs5jnehcF/2Oh5mI2xoKH/fh UO222WQ8zwXmaKM/gRqecmB9jj/cfas9iI8o1oaIt/GMTWioO8AD6OHjL352LNIe3qSV dvLQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=VSyy1S/fbTjJgED/rizgeHH0wlDygBVpXbt87CoVbz8=; b=sPWsbfE/ag/6kaQgB9yMDopDAtAbD21IlNcV0+2RbNK1aDLeTqS4BPWZLQ8PnpOJUP OnREu0K8ORuL5+SKCLt/GSbYZ4HP6SCNf5wJ+81ZjWWJRNM725Tc1VRVJYyT/HPIA++k XPd/FW9096GW4ns1Pp+PHSyhQIvsmhJMMwsjnbar5H74amkOI9PHx3l5sV0KUoknJ95O q1TpGBoU2XnTUdGeEzKqbFL2SzgUkrEL7MCNMZ0su4twRhHbW8Zlqofsex3rrhCer9YY QdYdh34j0iTGmHu8BqZzbmQS6bz3TClTT6My22m81rbIR2WHhFFJZOYmr/uO8XNEvA9k 4D1A== X-Gm-Message-State: APjAAAX3s748WS3pMuZNgGtgJIz6M7AiaflOqNrK+zhq1U29+vfFc3l1 cjNJ0JBAp2YuWS5H3+GepX2rYyb5 X-Google-Smtp-Source: APXvYqxXXNMN+FRll/IVvThY400TUGFN0IKK5+L+rww2fQyr5h8Zu0qzrUwKJjy+kWc6heDBbZHI4Q== X-Received: by 2002:adf:f206:: with SMTP id p6mr14542181wro.216.1563965082957; Wed, 24 Jul 2019 03:44:42 -0700 (PDT) Received: from [192.168.8.147] (200.150.22.93.rev.sfr.net. [93.22.150.200]) by smtp.gmail.com with ESMTPSA id k17sm51932217wrq.83.2019.07.24.03.44.41 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 24 Jul 2019 03:44:42 -0700 (PDT) Subject: Re: [PATCH 4.4 stable net] net: tcp: Fix use-after-free in tcp_write_xmit To: maowenan , Eric Dumazet , davem@davemloft.net, gregkh@linuxfoundation.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org References: <20190724091715.137033-1-maowenan@huawei.com> <8e02f190-ec3a-6308-8c59-e5ae9ca39f5d@huawei.com> From: Eric Dumazet Message-ID: <2e56c0bf-556c-c16f-c767-ea1d49acb19c@gmail.com> Date: Wed, 24 Jul 2019 12:44:41 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.7.2 MIME-Version: 1.0 In-Reply-To: <8e02f190-ec3a-6308-8c59-e5ae9ca39f5d@huawei.com> 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 7/24/19 12:36 PM, maowenan wrote: > Actually, I have tested 4.4.184, UAF still happen. > > Thanks for testing. Acked-by: Eric Dumazet