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=-5.5 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_2 autolearn=no 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 1A50DC433DF for ; Wed, 15 Jul 2020 00:58:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 033602071B for ; Wed, 15 Jul 2020 00:58:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726400AbgGOA6Z (ORCPT ); Tue, 14 Jul 2020 20:58:25 -0400 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:39414 "EHLO mx0b-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726356AbgGOA6Z (ORCPT ); Tue, 14 Jul 2020 20:58:25 -0400 Received: from pps.filterd (m0098421.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 06F0cjxN017275; Tue, 14 Jul 2020 20:58:19 -0400 Received: from ppma04fra.de.ibm.com (6a.4a.5195.ip4.static.sl-reverse.com [149.81.74.106]) by mx0a-001b2d01.pphosted.com with ESMTP id 329d9hj6n4-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 14 Jul 2020 20:58:19 -0400 Received: from pps.filterd (ppma04fra.de.ibm.com [127.0.0.1]) by ppma04fra.de.ibm.com (8.16.0.42/8.16.0.42) with SMTP id 06F0u0Z3009189; Wed, 15 Jul 2020 00:58:17 GMT Received: from b06cxnps4075.portsmouth.uk.ibm.com (d06relay12.portsmouth.uk.ibm.com [9.149.109.197]) by ppma04fra.de.ibm.com with ESMTP id 327527hxuw-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 15 Jul 2020 00:58:17 +0000 Received: from d06av25.portsmouth.uk.ibm.com (d06av25.portsmouth.uk.ibm.com [9.149.105.61]) by b06cxnps4075.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 06F0wFUI983404 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 15 Jul 2020 00:58:15 GMT Received: from d06av25.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 4B04C11C04C; Wed, 15 Jul 2020 00:58:15 +0000 (GMT) Received: from d06av25.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 4ED7C11C050; Wed, 15 Jul 2020 00:58:13 +0000 (GMT) Received: from localhost.localdomain (unknown [9.85.155.184]) by d06av25.portsmouth.uk.ibm.com (Postfix) with ESMTP; Wed, 15 Jul 2020 00:58:13 +0000 (GMT) Message-ID: <1594774692.12900.220.camel@linux.ibm.com> Subject: Re: [PATCH 1/2] IMA: Verify that the kernel cmdline is passed and measured correctly through the kexec barrier. From: Mimi Zohar To: Lachlan Sneff , pvorel@suse.cz, ltp@lists.linux.it Cc: nramas@linux.microsoft.com, balajib@linux.microsoft.com, linux-integrity@vger.kernel.org Date: Tue, 14 Jul 2020 20:58:12 -0400 In-Reply-To: <20200702153545.3126-2-t-josne@linux.microsoft.com> References: <20200702153545.3126-1-t-josne@linux.microsoft.com> <20200702153545.3126-2-t-josne@linux.microsoft.com> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.20.5 (3.20.5-1.fc24) Mime-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.235,18.0.687 definitions=2020-07-14_09:2020-07-14,2020-07-14 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 mlxlogscore=965 suspectscore=0 malwarescore=0 adultscore=0 mlxscore=0 lowpriorityscore=0 priorityscore=1501 clxscore=1015 spamscore=0 phishscore=0 impostorscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2006250000 definitions=main-2007140169 Sender: linux-integrity-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-integrity@vger.kernel.org On Thu, 2020-07-02 at 11:35 -0400, Lachlan Sneff wrote: > Add a testcase that verifies that kexec correctly logs the > kernel command line to the IMA buffer and that the command > line is then correctly measured. > > This test must be run standalone, since it runs kexec > multiple times (and therefore reboots several times). Verifying the kexec boot command line doesn't require rebooting.  Just loading the kexec kernel image should be enough (kexec -s -l).  Verifying that the measurement list, including the kexec boot command line, is carried across kexec could be a separate test. Mimi