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Wed, 5 Aug 2020 19:52:30 -0400 Received: by smtp.corp.redhat.com (Postfix) id 2F984202B16E; Wed, 5 Aug 2020 23:52:30 +0000 (UTC) Received: from mimecast-mx02.redhat.com (mimecast01.extmail.prod.ext.rdu2.redhat.com [10.11.55.17]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 2AE11202B16B for ; Wed, 5 Aug 2020 23:52:23 +0000 (UTC) Received: from us-smtp-1.mimecast.com (us-smtp-2.mimecast.com [207.211.31.81]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 9C3258A5DC1 for ; Wed, 5 Aug 2020 23:52:23 +0000 (UTC) Received: from namei.org (namei.org [65.99.196.166]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-419-i_Q_Rq2OO3SA9F9GHwfoew-1; Wed, 05 Aug 2020 19:52:17 -0400 X-MC-Unique: i_Q_Rq2OO3SA9F9GHwfoew-1 Received: from localhost (localhost [127.0.0.1]) by namei.org (8.14.4/8.14.4) with ESMTP id 075Npvex020649; Wed, 5 Aug 2020 23:51:57 GMT Date: Thu, 6 Aug 2020 09:51:57 +1000 (AEST) From: James Morris To: Mimi Zohar Subject: Re: [dm-devel] [RFC PATCH v5 00/11] Integrity Policy Enforcement LSM (IPE) In-Reply-To: Message-ID: References: <20200728213614.586312-1-deven.desai@linux.microsoft.com> <20200802115545.GA1162@bug> <20200802140300.GA2975990@sasha-vm> <20200802143143.GB20261@amd> <1596386606.4087.20.camel@HansenPartnership.com> <1596639689.3457.17.camel@HansenPartnership.com> User-Agent: Alpine 2.21 (LRH 202 2017-01-01) MIME-Version: 1.0 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 2.78 on 10.11.54.4 X-loop: linux-audit@redhat.com X-Mailman-Approved-At: Thu, 06 Aug 2020 08:52:34 -0400 Cc: snitzer@redhat.com, Deven Bowers , James Bottomley , dm-devel@redhat.com, tyhicks@linux.microsoft.com, Pavel Machek , agk@redhat.com, Sasha Levin , corbet@lwn.net, nramas@linux.microsoft.com, serge@hallyn.com, pasha.tatashin@soleen.com, jannh@google.com, linux-block@vger.kernel.org, viro@zeniv.linux.org.uk, axboe@kernel.dk, mdsakib@microsoft.com, linux-kernel@vger.kernel.org, linux-security-module@vger.kernel.org, linux-audit@redhat.com, linux-fsdevel@vger.kernel.org, linux-integrity@vger.kernel.org, jaskarankhurana@linux.microsoft.com X-BeenThere: linux-audit@redhat.com X-Mailman-Version: 2.1.12 Precedence: junk List-Id: Linux Audit Discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: linux-audit-bounces@redhat.com Errors-To: linux-audit-bounces@redhat.com X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=linux-audit-bounces@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit On Wed, 5 Aug 2020, Mimi Zohar wrote: > If block layer integrity was enough, there wouldn't have been a need > for fs-verity. Even fs-verity is limited to read only filesystems, > which makes validating file integrity so much easier. From the > beginning, we've said that fs-verity signatures should be included in > the measurement list. (I thought someone signed on to add that support > to IMA, but have not yet seen anything.) > > Going forward I see a lot of what we've accomplished being incorporated > into the filesystems. When IMA will be limited to defining a system > wide policy, I'll have completed my job. What are your thoughts on IPE being a standalone LSM? Would you prefer to see its functionality integrated into IMA? -- Linux-audit mailing list Linux-audit@redhat.com https://www.redhat.com/mailman/listinfo/linux-audit