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=-2.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 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 E8A66C2BB86 for ; Sat, 11 Apr 2020 21:43:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C580720936 for ; Sat, 11 Apr 2020 21:43:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726762AbgDKVnw (ORCPT ); Sat, 11 Apr 2020 17:43:52 -0400 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:52980 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726029AbgDKVnw (ORCPT ); Sat, 11 Apr 2020 17:43:52 -0400 Received: from pps.filterd (m0098419.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 03BLX4Fe008984; Sat, 11 Apr 2020 17:43:43 -0400 Received: from pps.reinject (localhost [127.0.0.1]) by mx0b-001b2d01.pphosted.com with ESMTP id 30b6ttftpy-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Sat, 11 Apr 2020 17:43:43 -0400 Received: from m0098419.ppops.net (m0098419.ppops.net [127.0.0.1]) by pps.reinject (8.16.0.36/8.16.0.36) with SMTP id 03BLaZ5M013776; Sat, 11 Apr 2020 17:43:43 -0400 Received: from ppma03dal.us.ibm.com (b.bd.3ea9.ip4.static.sl-reverse.com [169.62.189.11]) by mx0b-001b2d01.pphosted.com with ESMTP id 30b6ttftpp-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Sat, 11 Apr 2020 17:43:43 -0400 Received: from pps.filterd (ppma03dal.us.ibm.com [127.0.0.1]) by ppma03dal.us.ibm.com (8.16.0.27/8.16.0.27) with SMTP id 03BLfMVK007615; Sat, 11 Apr 2020 21:43:42 GMT Received: from b01cxnp22036.gho.pok.ibm.com (b01cxnp22036.gho.pok.ibm.com [9.57.198.26]) by ppma03dal.us.ibm.com with ESMTP id 30b5h5xayg-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Sat, 11 Apr 2020 21:43:42 +0000 Received: from b01ledav001.gho.pok.ibm.com (b01ledav001.gho.pok.ibm.com [9.57.199.106]) by b01cxnp22036.gho.pok.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 03BLhfVn12452540 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Sat, 11 Apr 2020 21:43:41 GMT Received: from b01ledav001.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id A71392805E; Sat, 11 Apr 2020 21:43:41 +0000 (GMT) Received: from b01ledav001.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id BF3EA28058; Sat, 11 Apr 2020 21:43:40 +0000 (GMT) Received: from swastik.ibm.com (unknown [9.65.249.129]) by b01ledav001.gho.pok.ibm.com (Postfix) with ESMTP; Sat, 11 Apr 2020 21:43:40 +0000 (GMT) Subject: Re: [PATCH v2 0/2] support to read and tune appraise mode in runtime To: Tianjia Zhang , zhang.jia@linux.alibaba.com Cc: zohar@linux.ibm.com, dmitry.kasatkin@gmail.com, jmorris@namei.org, serge@hallyn.com, zhangliguang@linux.alibaba.com, linux-integrity@vger.kernel.org, linux-security-module@vger.kernel.org, linux-kernel@vger.kernel.org References: <20200409103440.47946-1-tianjia.zhang@linux.alibaba.com> From: Nayna Message-ID: <1e160d08-788a-0c3b-0f9f-2077e55b286a@linux.vnet.ibm.com> Date: Sat, 11 Apr 2020 17:43:40 -0400 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.6.0 MIME-Version: 1.0 In-Reply-To: <20200409103440.47946-1-tianjia.zhang@linux.alibaba.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit Content-Language: en-US X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.138,18.0.676 definitions=2020-04-11_06:2020-04-11,2020-04-11 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 phishscore=0 priorityscore=1501 malwarescore=0 adultscore=0 mlxscore=0 bulkscore=0 lowpriorityscore=0 impostorscore=0 clxscore=1015 mlxlogscore=983 spamscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2003020000 definitions=main-2004110193 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 4/9/20 6:34 AM, Tianjia Zhang wrote: > Support the read and write operations of ima_appraise by adding a > securifyfs file 'appraise_mode'. > > In order to tune appraise mode in runtime, writing a PKCS#7 signature I am curious to know why would you tune appraise mode in runtime ? Thanks & Regards,       - Nayna