Received: by 2002:a25:683:0:0:0:0:0 with SMTP id 125csp1968499ybg; Fri, 5 Jun 2020 02:08:11 -0700 (PDT) X-Google-Smtp-Source: ABdhPJylEQmblw0xb555tw1N2pyoJldPqGlmXdk3jlq8VgqOk20sVhxv5sfu1aWC5lfJM+7g2p+v X-Received: by 2002:a17:906:6156:: with SMTP id p22mr7377371ejl.329.1591348091115; Fri, 05 Jun 2020 02:08:11 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1591348091; cv=none; d=google.com; s=arc-20160816; b=x1g8rdYMOcI3SOdkmksPGzRpI0lWVeB7KygT6iExpMoEjM3FVhhrrd8Q4mhHGo6Sj5 U4JL1lj02fL6z/JzUeiuLcOkoMLXVnRAvIX7cZXimOEUJvq5/o9TgdsW9Q00NFkPI5Rl mYlQsqAeiSh8CCHKEItMHX2dYw3Yutr2jJKjTsEk/t2OQ9XtkW45DudBWZg94TKLOL5b N8lPndN3uwJdfXjxEGJZ3yy58A1eRwuMi4SW40spC1y11QlFC14yyQO2xiWMZmMgUjaz 7Moaa+DpIjRA7d70BtnEQzM4kPQRCQrHkHV/fMMg43avm3/HY5FVrIS1vxZpRBNya+mr mpRA== 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:in-reply-to :mime-version:user-agent:date:message-id:from:references:cc:to :subject; bh=Wij1eODJ+WSq6BsSXt+Ei8wWtSCTQ9i4Qrua+DEeGd8=; b=oDI9KD7Ik8Dy3Ge60kBByQ6Qyu9krFepPolcDAUGCyvN22e+rhLbSj6DnHU7K2dMlT d49R1NFrE7aKZbko/oMGGwF2zFgnJFH47tEBlrevb6FVvpdcbZXHr1sjGDTgfDuuimYk wN3G6RPM5ygfVKZ27mfW0SI5UZaPsb6XAWjJ4H6ArH1Aaz9FMoV7zdbboAT19DagyNV7 o+/LZAiw04Ij1YPIc2c+01TnhqxGvPE6PHpO8R6MJvOQpjo1axY1iNsLKY4OEq7SsO1F Mhwxt5lpwpICi6X2iRfAI7ha/Z0ypk95D6L91qZM3zxNrXgleMIJh3uvT8E0FHIo01wV PiqQ== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id d15si3220527ejt.482.2020.06.05.02.07.48; Fri, 05 Jun 2020 02:08:11 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726229AbgFEJGE (ORCPT + 99 others); Fri, 5 Jun 2020 05:06:04 -0400 Received: from szxga07-in.huawei.com ([45.249.212.35]:43610 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726135AbgFEJGD (ORCPT ); Fri, 5 Jun 2020 05:06:03 -0400 Received: from DGGEMS409-HUB.china.huawei.com (unknown [172.30.72.59]) by Forcepoint Email with ESMTP id D7864A6F1FE7CED70B1D; Fri, 5 Jun 2020 17:06:00 +0800 (CST) Received: from [127.0.0.1] (10.166.213.7) by DGGEMS409-HUB.china.huawei.com (10.3.19.209) with Microsoft SMTP Server id 14.3.487.0; Fri, 5 Jun 2020 17:05:53 +0800 Subject: Re: [PATCH v2] block: Fix use-after-free in blkdev_get() To: Markus Elfring , , CC: , , , Al Viro , "Christoph Hellwig" , Jan Kara , Jens Axboe , Ming Lei References: <88676ff2-cb7e-70ec-4421-ecf8318990b1@web.de> From: Jason Yan Message-ID: <5fa658bf-3028-9b5c-30cc-dbdef6bf8f7a@huawei.com> Date: Fri, 5 Jun 2020 17:05:52 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:68.0) Gecko/20100101 Thunderbird/68.4.2 MIME-Version: 1.0 In-Reply-To: <88676ff2-cb7e-70ec-4421-ecf8318990b1@web.de> Content-Type: text/plain; charset="utf-8"; format=flowed Content-Transfer-Encoding: 8bit X-Originating-IP: [10.166.213.7] X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, Markus Thanks for the review. Sorry for the wording because I'm not an English native speaker. 在 2020/6/5 16:30, Markus Elfring 写道: > > Would you like to add the tag “Fixes” to the commit message? > I tried to find the commit in the git history which introduced this issue, but I am not sure which one is it. It seems existed there for a long time. Thanks, Jason > Regards, > Markus >