Received: by 2002:a25:8b12:0:0:0:0:0 with SMTP id i18csp1917706ybl; Sat, 31 Aug 2019 04:45:14 -0700 (PDT) X-Google-Smtp-Source: APXvYqzmDZey71CCRphKeCM5IWQRGFw1LgW3L2NKWfrrpgJ7RSje65Nw8kLVLsgwRLCtYx91fWNc X-Received: by 2002:a65:6448:: with SMTP id s8mr17036252pgv.223.1567251914309; Sat, 31 Aug 2019 04:45:14 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1567251914; cv=none; d=google.com; s=arc-20160816; b=F6dgWWxrIKllsCuk8/QUgWVh+8RdnTRYEBL3l/CdjNnMrjOb7Hoqd4kfwklawdjLXx og/z41HY4kLoKBDA08kcaG+W8rVyv8lECV8kbzouzvzUtWhy3hMGLq1TDlCtlSybVSCj rrcYdYe6tM48puNXwNzbZvMm45L2PueGLJJqDEYKjd7TVDrr5Oj3TDduBHpIlfrnb+ZS bH3C9QSWZWP40ifqYI3zxZ3X0Q0PxnpU6PpOYH6h1GTD0Vd3Glm59/B2bE+nQ7X7wBiY 2C4DcXzEBwBquac70+QRYZRtH4YkcsIIrkZFoHglmMAqkROt4JOw3wgx35sRAKxLvvc2 OPwg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:mime-version:content-transfer-encoding :content-language:accept-language:in-reply-to:references:message-id :date:thread-index:thread-topic:subject:cc:to:from; bh=l1YF7ghskm/tJrn0cuGCibzKAQxY4K9A65LSxuYvxHE=; b=g04GBa2mOr6Q7vKYma5moaX57lgl1NcXXUoEOvaKsDxPNB3/vQ0ZVMTK64kzaEMii3 WAs9mB8kgj5wlUNagOuB7WWrT/A+Pz9kOomes8IkHZ6tH7kzSR7+t2OOF1tDvPJtCQm0 X6oYwNmsu+DsZIkzqEgBX0ftp7XWoJ5QRIou/v9yFmG8biwhrdHZrJkmc4xa0yRJDZqW uCKrfPAc7TIqUf6AQizdD/ZmDwaslD1fyKHpcxSkZs1m8rTXlbmAmAGAU7WeqwwGxwu2 15htZ21plQjVdiyRIu2l0PRfem9Kr/82WCoKNdu83uGBWN5Stb5lcX1GVKP/ygHkLZKd 5Ttw== 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 go13si7242105plb.297.2019.08.31.04.44.58; Sat, 31 Aug 2019 04:45:14 -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 S1727298AbfHaLoJ convert rfc822-to-8bit (ORCPT + 99 others); Sat, 31 Aug 2019 07:44:09 -0400 Received: from szxga02-in.huawei.com ([45.249.212.188]:3987 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726143AbfHaLoJ (ORCPT ); Sat, 31 Aug 2019 07:44:09 -0400 Received: from DGGEML404-HUB.china.huawei.com (unknown [172.30.72.53]) by Forcepoint Email with ESMTP id 076821186AEDFA088919; Sat, 31 Aug 2019 19:44:07 +0800 (CST) Received: from DGGEML532-MBS.china.huawei.com ([169.254.7.34]) by DGGEML404-HUB.china.huawei.com ([fe80::b177:a243:7a69:5ab8%31]) with mapi id 14.03.0439.000; Sat, 31 Aug 2019 19:44:03 +0800 From: maowenan To: David Miller , "cpaasch@apple.com" CC: "jonathan.lemon@gmail.com" , "stable@vger.kernel.org" , "gregkh@linuxfoundation.org" , "tim.froidcoeur@tessares.net" , "matthieu.baerts@tessares.net" , "aprout@ll.mit.edu" , "edumazet@google.com" , "jtl@netflix.com" , "linux-kernel@vger.kernel.org" , "mkubecek@suse.cz" , "ncardwell@google.com" , "sashal@kernel.org" , "ycheng@google.com" , "netdev@vger.kernel.org" Subject: RE: [PATCH 4.14] tcp: fix tcp_rtx_queue_tail in case of empty retransmit queue Thread-Topic: [PATCH 4.14] tcp: fix tcp_rtx_queue_tail in case of empty retransmit queue Thread-Index: AQHVX55YYqkinwCtOUunKpnrH9Dyz6cUAA+AgAEi0HA= Date: Sat, 31 Aug 2019 11:44:02 +0000 Message-ID: References: <20190824060351.3776-1-tim.froidcoeur@tessares.net> <400C4757-E7AD-4CCF-8077-79563EA869B1@gmail.com> <20190830232657.GL45416@MacBook-Pro-64.local> <20190830.192049.1447010488040109227.davem@davemloft.net> In-Reply-To: <20190830.192049.1447010488040109227.davem@davemloft.net> Accept-Language: zh-CN, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.177.96.96] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 8BIT MIME-Version: 1.0 X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Tim Can you share the reproduce steps for this issue? C or syzkaller is ok. Thanks a lot.