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 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 140ABC64EC4 for ; Tue, 31 Jan 2023 13:51:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1675173095; h=from:from:sender:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:list-id:list-help: list-unsubscribe:list-subscribe:list-post; bh=r7irMDByvfg6Cs3dlXQN/4cCPzdRaz3k9UFZRX6FTOg=; b=iTKPdRGbVTcO39TlSocmUSobmt9RMuutyFnhYd65BeO4RtT25V9dhNmHri2YB0wW2uERVj 7DYP6Z6UL+39GKL9wxHQjEt43CX4c6ZmsJxU4KiJp1JzzzWC3ZWMfwETRS1IcBAf9F6VKl AsJiXgEAfuadDVTHBZc8uOqQhCQGq2o= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-46-iFRISBtwMyaWinvRYzYatA-1; Tue, 31 Jan 2023 08:51:31 -0500 X-MC-Unique: iFRISBtwMyaWinvRYzYatA-1 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.rdu2.redhat.com [10.11.54.7]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id C4D37857A99; Tue, 31 Jan 2023 13:51:27 +0000 (UTC) Received: from mm-prod-listman-01.mail-001.prod.us-east-1.aws.redhat.com (unknown [10.30.29.100]) by smtp.corp.redhat.com (Postfix) with ESMTP id ACC041431C5C; Tue, 31 Jan 2023 13:51:27 +0000 (UTC) Received: from mm-prod-listman-01.mail-001.prod.us-east-1.aws.redhat.com (localhost [IPv6:::1]) by mm-prod-listman-01.mail-001.prod.us-east-1.aws.redhat.com (Postfix) with ESMTP id 4F4A61946A75; Tue, 31 Jan 2023 13:51:26 +0000 (UTC) Received: from smtp.corp.redhat.com (int-mx09.intmail.prod.int.rdu2.redhat.com [10.11.54.9]) by mm-prod-listman-01.mail-001.prod.us-east-1.aws.redhat.com (Postfix) with ESMTP id 974F21946587 for ; Tue, 31 Jan 2023 10:08:56 +0000 (UTC) Received: by smtp.corp.redhat.com (Postfix) id 89238492B06; Tue, 31 Jan 2023 10:08:56 +0000 (UTC) Received: from mimecast-mx02.redhat.com (mimecast05.extmail.prod.ext.rdu2.redhat.com [10.11.55.21]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 819BC492B05 for ; Tue, 31 Jan 2023 10:08:56 +0000 (UTC) Received: from us-smtp-1.mimecast.com (us-smtp-delivery-1.mimecast.com [207.211.31.120]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 650BC885622 for ; Tue, 31 Jan 2023 10:08:56 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_128_GCM_SHA256) id us-mta-587-59c4obm-N3mOeI8HrntoqA-1; Tue, 31 Jan 2023 05:08:54 -0500 X-MC-Unique: 59c4obm-N3mOeI8HrntoqA-1 Received: from hch by bombadil.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1pMmOt-006rfW-RR; Tue, 31 Jan 2023 08:53:59 +0000 Date: Tue, 31 Jan 2023 00:53:59 -0800 From: Christoph Hellwig To: Fan Wu Subject: Re: [RFC PATCH v9 09/16] block|security: add LSM blob to block_device Message-ID: References: <1675119451-23180-1-git-send-email-wufan@linux.microsoft.com> <1675119451-23180-10-git-send-email-wufan@linux.microsoft.com> MIME-Version: 1.0 In-Reply-To: <1675119451-23180-10-git-send-email-wufan@linux.microsoft.com> X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html X-Mimecast-Impersonation-Protect: Policy=CLT - Impersonation Protection Definition; Similar Internal Domain=false; Similar Monitored External Domain=false; Custom External Domain=false; Mimecast External Domain=false; Newly Observed Domain=false; Internal User Name=false; Custom Display Name List=false; Reply-to Address Mismatch=false; Targeted Threat Dictionary=false; Mimecast Threat Dictionary=false; Custom Threat Dictionary=false X-Scanned-By: MIMEDefang 3.1 on 10.11.54.9 X-Mailman-Approved-At: Tue, 31 Jan 2023 13:51:24 +0000 X-BeenThere: linux-audit@redhat.com X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux Audit Discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: axboe@kernel.dk, linux-block@vger.kernel.org, tytso@mit.edu, dm-devel@redhat.com, corbet@lwn.net, roberto.sassu@huawei.com, Deven Bowers , linux-doc@vger.kernel.org, snitzer@kernel.org, jmorris@namei.org, zohar@linux.ibm.com, linux-kernel@vger.kernel.org, ebiggers@kernel.org, linux-security-module@vger.kernel.org, linux-audit@redhat.com, eparis@redhat.com, linux-fscrypt@vger.kernel.org, linux-integrity@vger.kernel.org, agk@redhat.com, serge@hallyn.com Errors-To: linux-audit-bounces@redhat.com Sender: "Linux-audit" X-Scanned-By: MIMEDefang 3.1 on 10.11.54.7 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Disposition: inline Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit On Mon, Jan 30, 2023 at 02:57:24PM -0800, Fan Wu wrote: > From: Deven Bowers > > block_device structures can have valuable security properties, > based on how they are created, and what subsystem manages them. That's a lot of cloudy talk but no real explanation. -- Linux-audit mailing list Linux-audit@redhat.com https://listman.redhat.com/mailman/listinfo/linux-audit