Received: by 2002:a05:6358:d09b:b0:dc:cd0c:909e with SMTP id jc27csp256167rwb; Tue, 15 Nov 2022 23:23:03 -0800 (PST) X-Google-Smtp-Source: AA0mqf4fkwXK8fgEd9c4x/DH6RDQ6FHwsL4D85lZxDGeY20dfE9cKnz3QD2W7HQd8cdn7vZNeB4a X-Received: by 2002:a17:906:4a8b:b0:7ad:ba48:7e7c with SMTP id x11-20020a1709064a8b00b007adba487e7cmr16829033eju.443.1668583383371; Tue, 15 Nov 2022 23:23:03 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1668583383; cv=none; d=google.com; s=arc-20160816; b=Ws7a7iH/vCFLMBmnQZRXr4E/Mc7KIA9ekqn8g1Oxz04D6a5HyCV9cGKzsw3z8ZbGon 2Mo7EJWOMPnA2c/SK8/Nf2Q9XXqRAbWPeg9s04+pMLzmifsUFxmPQnr1Tsg+wNMLIrhD CwMFhC4ZPblzmlFcbNNurrHlrqiIBQrDmRfsLshfrRJGmqDWoO2uhgpctjEhSB+15mI6 od3CJq4OcnfJfVIV9t3x2XwQB05oD98oSNnk64hDOR1rq7skbLEMWoaZqkiULDiA3BZs iTvMg9iczs8UkmvEKraIba0VXHnT59Y7FVSHrps+ujRxSTiUZ/9w8QMxhv1Ojud4gqnt rPKw== 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=M7NmYC/Iylm9myghHwqILim55SAUt9QrM+UZYk0eJlw=; b=GVuxgY8x4VhWieq9n5dvkxu82WOPHfIRijldbHq6JrlHxd+EDTqc6fAqzZ3HUyfZ7z 3C4M1IlPDoiwoauL52dTRNRHLUlTsfIvUCvynjPtp3726qSlayz5L4ZVUlM1g9pZFR2D N1UiNp+72tJDNvWlSr9jkfJTStG9cbZf+P1aoK/24fxATr8MKwxsvdRweOA3cKFtMwNK X4r7i+ua64Pfv80EqDtqk0oPF0SAf3R43gKkcIOtT+r/mNcyUFjF+QgM3ccleuG5QtSY emtpqT3M5KV0RuNpyIkUMY/fpbT8IrCiZ4Vq7wyWM/JPIiT0Okyw8O6htzqkjfDvCWq4 0q7w== 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 qq18-20020a17090720d200b0078db89b526asi10002922ejb.108.2022.11.15.23.22.21; Tue, 15 Nov 2022 23:23:03 -0800 (PST) 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 S232804AbiKPGgR (ORCPT + 90 others); Wed, 16 Nov 2022 01:36:17 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49876 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232750AbiKPGfr (ORCPT ); Wed, 16 Nov 2022 01:35:47 -0500 Received: from verein.lst.de (verein.lst.de [213.95.11.211]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0C111193EE; Tue, 15 Nov 2022 22:35:45 -0800 (PST) Received: by verein.lst.de (Postfix, from userid 2407) id 5FE3568AA6; Wed, 16 Nov 2022 07:35:43 +0100 (CET) Date: Wed, 16 Nov 2022 07:35:43 +0100 From: Christoph Hellwig To: Yu Kuai Cc: hch@lst.de, axboe@kernel.dk, agk@redhat.com, snitzer@kernel.org, dm-devel@redhat.com, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, yukuai3@huawei.com, yi.zhang@huawei.com Subject: Re: [PATCH v3 08/10] block: fix use after free for bd_holder_dir Message-ID: <20221116063543.GB19492@lst.de> References: <20221115141054.1051801-1-yukuai1@huaweicloud.com> <20221115141054.1051801-9-yukuai1@huaweicloud.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20221115141054.1051801-9-yukuai1@huaweicloud.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 Looks good: Reviewed-by: Christoph Hellwig