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 X-Spam-Level: X-Spam-Status: No, score=-19.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1, USER_IN_DEF_DKIM_WL autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 44810C4167B for ; Fri, 11 Dec 2020 01:31:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E9E9523C18 for ; Fri, 11 Dec 2020 01:31:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389805AbgLKBad (ORCPT ); Thu, 10 Dec 2020 20:30:33 -0500 Received: from linux.microsoft.com ([13.77.154.182]:53436 "EHLO linux.microsoft.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2389797AbgLKBa3 (ORCPT ); Thu, 10 Dec 2020 20:30:29 -0500 Received: from [192.168.86.31] (c-71-197-163-6.hsd1.wa.comcast.net [71.197.163.6]) by linux.microsoft.com (Postfix) with ESMTPSA id 5007320B717A; Thu, 10 Dec 2020 17:29:48 -0800 (PST) DKIM-Filter: OpenDKIM Filter v2.11.0 linux.microsoft.com 5007320B717A DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.microsoft.com; s=default; t=1607650188; bh=yGgzoIdOorbDs7MxKlg+eL3hr036hpEtLmS92RUcudE=; h=Subject:To:Cc:References:From:Date:In-Reply-To:From; b=atAYxjfS4S+6flO2iq7tGQCKH1dwb7TX5DHXLt0M7SEA+Olvn4o6HH1g3u6UypVYd E7ApJD01S/8ifxPosxr9WzFOQW8E7wJUsOfc3rtrgqzjLTSO5++WuHAk1H8xmfc3qF Ph8i/xozYVTLTThJbGWxwTrie4zn0apcGL67klHQ= Subject: Re: [PATCH v7 6/8] IMA: extend critical data hook to limit the measurement based on a label To: Tyler Hicks Cc: zohar@linux.ibm.com, stephen.smalley.work@gmail.com, casey@schaufler-ca.com, agk@redhat.com, snitzer@redhat.com, gmazyland@gmail.com, paul@paul-moore.com, sashal@kernel.org, jmorris@namei.org, nramas@linux.microsoft.com, linux-integrity@vger.kernel.org, selinux@vger.kernel.org, linux-security-module@vger.kernel.org, linux-kernel@vger.kernel.org, dm-devel@redhat.com References: <20201209194212.5131-1-tusharsu@linux.microsoft.com> <20201209194212.5131-7-tusharsu@linux.microsoft.com> <20201210231922.GK489768@sequoia> From: Tushar Sugandhi Message-ID: Date: Thu, 10 Dec 2020 17:29:47 -0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <20201210231922.GK489768@sequoia> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2020-12-10 3:19 p.m., Tyler Hicks wrote: > On 2020-12-09 11:42:10, Tushar Sugandhi wrote: >> The IMA hook ima_measure_critical_data() does not support a way to >> specify the source of the critical data provider. Thus, the data >> measurement cannot be constrained based on the data source label >> in the IMA policy. >> >> Extend the IMA hook ima_measure_critical_data() to support passing >> the data source label as an input parameter, so that the policy rule can >> be used to limit the measurements based on the label. >> >> Signed-off-by: Tushar Sugandhi > > Reviewed-by: Tyler Hicks > > Tyler > Thanks for the review. ~Tushar