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 C2CA4C433E0 for ; Fri, 5 Jun 2020 12:47:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9CF7D2065C for ; Fri, 5 Jun 2020 12:47:34 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=web.de header.i=@web.de header.b="fBgGe2WV" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726828AbgFEMrb (ORCPT ); Fri, 5 Jun 2020 08:47:31 -0400 Received: from mout.web.de ([212.227.15.14]:56239 "EHLO mout.web.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726499AbgFEMra (ORCPT ); Fri, 5 Jun 2020 08:47:30 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=web.de; s=dbaedf251592; t=1591361222; bh=SN17IllDT+/NWqqllnTWBMfMqp5AhSBlFt21ZNtHUwc=; h=X-UI-Sender-Class:Subject:To:Cc:References:From:Date:In-Reply-To; b=fBgGe2WVoTJIxqubkLLd12TMPtSvUx3kLc3AzNWLIhKNGHX6EcjrPvON4peUZCy5p vs1X7mY04S3fshgrVCsM5d8wyhhTVIwCLGhl6AaZnyHGX9BU2fwTEOLQ0kJHtvDDJF rrDuJdrU/qvR0Vxf9a3SrSVrK2dmchudaT/qQ7Mk= X-UI-Sender-Class: c548c8c5-30a9-4db5-a2e7-cb6cb037b8f9 Received: from [192.168.1.2] ([93.131.102.114]) by smtp.web.de (mrweb002 [213.165.67.108]) with ESMTPSA (Nemesis) id 0MRD0p-1jX2CH1e3T-00UYw6; Fri, 05 Jun 2020 14:47:02 +0200 Subject: Re: block: Fix use-after-free in blkdev_get() To: Matthew Wilcox , linux-block@vger.kernel.org, linux-fsdevel@vger.kernel.org Cc: Dan Carpenter , Jason Yan , hulkci@huawei.com, kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org, Al Viro , Christoph Hellwig , Jan Kara , Jens Axboe , Ming Lei References: <88676ff2-cb7e-70ec-4421-ecf8318990b1@web.de> <5fa658bf-3028-9b5c-30cc-dbdef6bf8f7a@huawei.com> <20200605094353.GS30374@kadam> <2ee6f2f7-eaec-e748-bead-0ad59f4c378b@web.de> <20200605111039.GL22511@kadam> <63e57552-ab95-7bb4-b4f1-70a307b6381d@web.de> <20200605114208.GC19604@bombadil.infradead.org> From: Markus Elfring Autocrypt: addr=Markus.Elfring@web.de; 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Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.8.1 MIME-Version: 1.0 In-Reply-To: <20200605114208.GC19604@bombadil.infradead.org> Content-Type: text/plain; charset=utf-8 Content-Language: en-GB Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K1:oIn+vpSz4b31UQrkyKzudYg8vSBCCfBxn4PdpTLdoQOkTOFgrub 9pOfYpbQ9tOfovQR0ERqre3vjM1ceKwBta/82Oq4vSswYdvnUiv2rux1REPnVf9t4OStP9m syc+6CnJiIz8ApmhZ/Mqt/X3uvtAlV20uKf5R5+OqRH0I6Yzcjuk/NosyrOcy1HZdv7iAQJ omnb5musy5qc8Tin6Y2JA== X-UI-Out-Filterresults: notjunk:1;V03:K0:cUBm0qZHOvE=:TAbGAthldnwGITdrVu2zjz /9mHmpEQMFivjrRPnL14l2Zibbk8QnhL5ceJKR5cOrkEKBLzsK1VAyGs4nIL5UdC291XAbTND a3+sp3rO1qQPBeqEPiG9Ka00N9H5nZ29ntdaEY3VFGw2N32xO0cjGxqf0+LreApURRA/QGLyp jdp4IyNGeru9GnQ1Lmk12u1ByKFhSFLZHv8PVk9UJG4mi23HmABG3Diqr8M88xlKvoQDQvRqh iwsNi0QZCPduYEwy3v1gYUbDNw4UUpAGvLbRz/ccyE6uyZgzogFpv44YawUo1zeTRts3jccyC GPpKXF+HS9+lbr5OEoDoC/LomMfCTXCNo8nNoceF3yjf86hqfGxlUZZTfDxhYxNEQsrroOmeJ TaQ6MGEb538OI/J7EBMeZH+tb0wZnyhnk4MgRtKDcvLnzkUcKNxlENvogwmVuW/+rllM5I5eJ epmyHHDRt9g6oHCBVXbE2HsSUUQwnSok+xn92oaxih2V6W33w4Z6+AWhDk+JOU3PEw4hF2cqt seQBbfURpCasndUd11qY0wLC+TKwK0Z0a6ZYWnypUWHd5/0GcAMViN703o6C9bWe2/FPtS9WR ACVFzAR7pliiLeFNp01rGBgx/SAxsgy5XQ7/1EZ7y1TwTnkAQXNq5ByRGzwfCHlwjpsBYFauV Ufz+HG1lAB4zxPcjTReJfUVO9hJOQHUpQeLPh7cnWO9LlG+zRMxg9niZwfGUn/POGCllJPJGe IZRgfB2xHZdGsL4gdwDWRsB2dKBZewfopy1t2YIniPTT+6G5Cl5DrSuANEX9SSWIcCcpFNgLE JN61KJusB5faV0X71SZpZpUkk1d01kBSCjLjB28b91Vm2vMJ1clNn/p+LtFGBNAzrXHUKtvuh XStbmzZjkJH3I1MRq90jqYOlJ1/si7+BqVhb8S5Hg4B/HXSHKu6NszeMBEA3HR6rn4U8+VWbP dm7gh8sxmdhGwSNawXYy0nnM6YvOYsxXMa4DlzeNCTY7GtWfPIvEcoQ0Nl0iporEJgZjyrNI9 md2hYP7PHHBSJshNXq4NC7259Cf0gOYd+YvhewpLOzBYNOEXivXBy5bf2S58X9qTLd3/QHFTD 9soGJYF+eYFcOPwY3xJPvB6zvclYF/AFWrKwfgH49W456zDGqB0GaUZcqf6Itt+SepwdPu59f uCn4EPaoaUUbZnfw4Gm0fnReZsf0giDkQtqn2xzRXBWQFN7BTIIj6w9QuCberYirYyJAzSgCX /wmI1dSUa0HI0mSzL Sender: linux-fsdevel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org >> Some developers found parts of my reviews helpful, didn't they? > > Overall you are a net negative to kernel development. Which concrete items do you like less here? > Please change how you contribute. I am curious to find the details out which might hinder progress in desirable directions (according to your views)? Regards, Markus