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=-2.2 required=3.0 tests=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 B16D2C433E1 for ; Mon, 8 Jun 2020 06:44:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 979C12076A for ; Mon, 8 Jun 2020 06:44:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728953AbgFHGoG (ORCPT ); Mon, 8 Jun 2020 02:44:06 -0400 Received: from szxga07-in.huawei.com ([45.249.212.35]:43376 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1728334AbgFHGoF (ORCPT ); Mon, 8 Jun 2020 02:44:05 -0400 Received: from DGGEMS405-HUB.china.huawei.com (unknown [172.30.72.58]) by Forcepoint Email with ESMTP id 28BD040B08E9AF0A973B; Mon, 8 Jun 2020 14:44:02 +0800 (CST) Received: from [127.0.0.1] (10.166.213.7) by DGGEMS405-HUB.china.huawei.com (10.3.19.205) with Microsoft SMTP Server id 14.3.487.0; Mon, 8 Jun 2020 14:43:53 +0800 Subject: Re: [PATCH v4] block: Fix use-after-free in blkdev_get() To: Christoph Hellwig CC: , , , , , Ming Lei , Jan Kara , Hulk Robot References: <20200608020557.31668-1-yanaijie@huawei.com> <20200608061502.GB17366@lst.de> From: Jason Yan Message-ID: <0f43671d-c583-e5ec-f0a3-a919d300301f@huawei.com> Date: Mon, 8 Jun 2020 14:43:52 +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: <20200608061502.GB17366@lst.de> Content-Type: text/plain; charset="gbk"; 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 Christoph, ÔÚ 2020/6/8 14:15, Christoph Hellwig дµÀ: > Looks good, > > Reviewed-by: Christoph Hellwig > > Can you dig into the history for a proper fixes tag? > This one started to accessing bdev after __blkdev_get(). So I think it may be a proper fixes tag: Fixes: e525fd89d380 ("block: make blkdev_get/put() handle exclusive access") Thanks, Jason > . >