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[2620:137:e000::1:20]) by mx.google.com with ESMTP id sb29-20020a1709076d9d00b00711d2c29fc3si7910755ejc.931.2022.06.08.15.45.55; Wed, 08 Jun 2022 15:46:20 -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; dkim=pass header.i=@linux.microsoft.com header.s=default header.b=rTkhDmYd; 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; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linux.microsoft.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235754AbiFHW2O (ORCPT + 99 others); Wed, 8 Jun 2022 18:28:14 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42584 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231161AbiFHW2J (ORCPT ); Wed, 8 Jun 2022 18:28:09 -0400 Received: from linux.microsoft.com (linux.microsoft.com [13.77.154.182]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 5821142ED0; Wed, 8 Jun 2022 15:28:08 -0700 (PDT) Received: by linux.microsoft.com (Postfix, from userid 1033) id E908320BE66A; Wed, 8 Jun 2022 15:28:07 -0700 (PDT) DKIM-Filter: OpenDKIM Filter v2.11.0 linux.microsoft.com E908320BE66A DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.microsoft.com; s=default; t=1654727287; bh=MF2Y1CBDjZevU8fKZUp5kTEpEkoKnGareWA0GYzqeq8=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=rTkhDmYdY7rpVbQEn9L9mKl43RlPXNjWiPuTNIqmZzVD1Iy9c2bksxjgfYkkouLUq UPAyhyoSZskG+YgEI73GZWcdXpE59XsE7Wc7P1fKK/FdeMciH5m3kdKbrOjuvWo3TL GZqDCdh02EtKnOhBTJsUGaZi51u2R0kWzglRF03M= Date: Wed, 8 Jun 2022 15:28:07 -0700 From: Deven Bowers To: Casey Schaufler Cc: corbet@lwn.net, zohar@linux.ibm.com, jmorris@namei.org, serge@hallyn.com, tytso@mit.edu, ebiggers@kernel.org, axboe@kernel.dk, agk@redhat.com, snitzer@kernel.org, eparis@redhat.com, paul@paul-moore.com, linux-doc@vger.kernel.org, linux-integrity@vger.kernel.org, linux-security-module@vger.kernel.org, linux-fscrypt@vger.kernel.org, linux-block@vger.kernel.org, dm-devel@redhat.com, linux-audit@redhat.com, roberto.sassu@huawei.com, linux-kernel@vger.kernel.org Subject: Re: [RFC PATCH v8 10/17] block|security: add LSM blob to block_device Message-ID: <20220608222807.GA7650@linuxonhyperv3.guj3yctzbm1etfxqx2vob5hsef.xx.internal.cloudapp.net> References: <1654714889-26728-1-git-send-email-deven.desai@linux.microsoft.com> <1654714889-26728-11-git-send-email-deven.desai@linux.microsoft.com> <14754d16-75ae-cc92-cfc5-adce0628d9d9@schaufler-ca.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <14754d16-75ae-cc92-cfc5-adce0628d9d9@schaufler-ca.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-Spam-Status: No, score=-19.8 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,ENV_AND_HDR_SPF_MATCH,RCVD_IN_DNSWL_MED, SPF_HELO_PASS,SPF_PASS,T_SCC_BODY_TEXT_LINE,USER_IN_DEF_DKIM_WL, USER_IN_DEF_SPF_WL 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 On Wed, Jun 08, 2022 at 01:07:39PM -0700, Casey Schaufler wrote: > On 6/8/2022 12:01 PM, Deven Bowers wrote: > >block_device structures can have valuable security properties, > >based on how they are created, and what subsystem manages them. > > > >By adding LSM storage to this structure, this data can be accessed > >at the LSM layer. > > > >Signed-off-by: Deven Bowers > > Reviewed-by: Casey Schaufler > > Not everyone is going to appreciate the infrastructure allocation > of the block_device security blob, but I do. Thanks Casey.