Received: by 2002:a05:6358:1087:b0:cb:c9d3:cd90 with SMTP id j7csp1223853rwi; Thu, 20 Oct 2022 10:00:27 -0700 (PDT) X-Google-Smtp-Source: AMsMyM4o7eR3/cyE/eQKiJXoHEsxnAjbS8n83NEtkILIV+WPvAUsXXK3aO7dWKZyaDTdT1DbQuna X-Received: by 2002:a17:903:41cf:b0:183:5a22:c63e with SMTP id u15-20020a17090341cf00b001835a22c63emr14521197ple.61.1666285227593; Thu, 20 Oct 2022 10:00:27 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1666285227; cv=none; d=google.com; s=arc-20160816; b=H8f1K9QVJdrhSULvc+51uHL5JJAEykRTGjvuvJXTxNcj+CdhMAe1Rew3j/Y/40hVLE tueUixnuibuYBU2oQbL3MkxN1Xsr5bPt5yJqQtZdKm8omOuztEx4Afih19v15b8mrsfK L2USyTxISc9zLcZCqDK/LEa7y4sUWbQ6LA5mz4or2fIG15w/h6JlEqnFqtxBpgtB3M/q YbwNN4mT92QvM98+bGMApz8rb7/pgv3bs7451hUJSgxkQ2xi3p1Ycuj509B8pr05iW64 2J5jDVfpV2gIjQ5pmMb4M0s1hbuiTENy3CLVzT+fbjXObNHwvMx/yLm72hsZm18jmUE6 8B6w== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:user-agent:in-reply-to:content-disposition :mime-version:references:message-id:subject:cc:to:from:date; bh=msCHig7cfZC1jYBWpPyTtQV44w8cCcVszj9CBYkhBgA=; b=WhlXr38u7vbqR+2ijAgn3XKnMvpx4X1TRKjm3bCboCwNithalbpQN0GiIShk/dlxhe BdUR6IAVxN6BTN9e9AVBZ/rXZmVcsrJ2sw1NgJNMiSraHdS0RAaIX+ERZXEBETvINjqU 5ALuCLQ/yugawzFlvjLwWxByo4jzzVKKv/3Fb5MW9Zb6BFz3HUGiiAfPoQhsFKOwMkB9 QmC3HAD3WszW0njUVoAs1b1vjSJj8CTH2hhJXKO69z6H0xF6rLoPyz2O4zoTRpcQZI5z 1PDEbxf1Q/csgJ0kCKtu7yfoI/lAjcA6i53uKAVqetYO+tsxpGo1nsMO6Gd3Ch091DJ4 9J3g== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id w190-20020a6382c7000000b0044c0bb18328si20604606pgd.262.2022.10.20.10.00.12; Thu, 20 Oct 2022 10:00:27 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229576AbiJTQrY (ORCPT + 99 others); Thu, 20 Oct 2022 12:47:24 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46546 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230000AbiJTQrU (ORCPT ); Thu, 20 Oct 2022 12:47:20 -0400 Received: from verein.lst.de (verein.lst.de [213.95.11.211]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D6A011DB273; Thu, 20 Oct 2022 09:47:18 -0700 (PDT) Received: by verein.lst.de (Postfix, from userid 2407) id 1140268C4E; Thu, 20 Oct 2022 18:47:13 +0200 (CEST) Date: Thu, 20 Oct 2022 18:47:12 +0200 From: Christoph Hellwig To: Yu Kuai Cc: axboe@kernel.dk, hch@lst.de, willy@infradead.org, kch@nvidia.com, martin.petersen@oracle.com, johannes.thumshirn@wdc.com, ming.lei@redhat.com, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, yukuai1@huaweicloud.com, yi.zhang@huawei.com Subject: Re: [PATCH -nect RFC v2 0/2] block: fix uaf in bd_link_disk_holder() Message-ID: <20221020164712.GA14773@lst.de> References: <20221020132049.3947415-1-yukuai3@huawei.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20221020132049.3947415-1-yukuai3@huawei.com> User-Agent: Mutt/1.5.17 (2007-11-01) X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,SPF_HELO_NONE, SPF_NONE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org As mentioned before I don't think we should make this even more crufty in the block layer. See the series I just sent to move it int dm.