From patchwork Wed Mar 10 22:19:13 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stefan Berger X-Patchwork-Id: 12129649 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=-11.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT 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 85D8BC4332D for ; Wed, 10 Mar 2021 22:20:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5CFDD64FC3 for ; Wed, 10 Mar 2021 22:20:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229563AbhCJWTu (ORCPT ); Wed, 10 Mar 2021 17:19:50 -0500 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:59004 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229971AbhCJWTW (ORCPT ); Wed, 10 Mar 2021 17:19:22 -0500 Received: from pps.filterd (m0187473.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.43/8.16.0.43) with SMTP id 12AMJ7YP092842; Wed, 10 Mar 2021 17:19:21 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=from : to : cc : subject : date : message-id : mime-version : content-transfer-encoding; s=pp1; bh=U6Q6YSp3p3MjpM5WvP5W3H0IQrrDqz81gomghM2Ui04=; b=UBJsZnvZiKL2KXoEau+XwwFzJcPlSzMwlZPX5rMuzM8HED92/oFUC0DCmJcbONqZ6A00 qiB6wBl5nEs96hhTfq4D7nqTHyN2eQTDfAgxTx7CbvOugs+AQSNNJyM4MYKDhWl1ky8e xkzs+usu8TcSROLVIY1qVNZ9b70hKcCvT61RD8GxwQvPKrON02z1GB+J50yphHxs0QnL bQjNaBW0dx3FpBRe7w6H4MiXj66M2hHj1qtR888YNtm5UFEF3C944LE3yi2RGPDZgjlp ySQX3ejn34eSrldEc264Quj+gUZT/e8W0sWgfXlh3QquWqbdXtZxFrT02MebVe05eQw1 sA== Received: from pps.reinject (localhost [127.0.0.1]) by mx0a-001b2d01.pphosted.com with ESMTP id 3774kx3qwx-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 10 Mar 2021 17:19:21 -0500 Received: from m0187473.ppops.net (m0187473.ppops.net [127.0.0.1]) by pps.reinject (8.16.0.43/8.16.0.43) with SMTP id 12AMJEp6093062; Wed, 10 Mar 2021 17:19:21 -0500 Received: from ppma01dal.us.ibm.com (83.d6.3fa9.ip4.static.sl-reverse.com [169.63.214.131]) by mx0a-001b2d01.pphosted.com with ESMTP id 3774kx3qwh-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 10 Mar 2021 17:19:21 -0500 Received: from pps.filterd (ppma01dal.us.ibm.com [127.0.0.1]) by ppma01dal.us.ibm.com (8.16.0.43/8.16.0.43) with SMTP id 12AMI3Ua022068; Wed, 10 Mar 2021 22:19:20 GMT Received: from b01cxnp22033.gho.pok.ibm.com (b01cxnp22033.gho.pok.ibm.com [9.57.198.23]) by ppma01dal.us.ibm.com with ESMTP id 37690a5uvn-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 10 Mar 2021 22:19:20 +0000 Received: from b01ledav005.gho.pok.ibm.com (b01ledav005.gho.pok.ibm.com [9.57.199.110]) by b01cxnp22033.gho.pok.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 12AMJJqb23724318 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 10 Mar 2021 22:19:19 GMT Received: from b01ledav005.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 48793AE064; Wed, 10 Mar 2021 22:19:19 +0000 (GMT) Received: from b01ledav005.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 31525AE05F; Wed, 10 Mar 2021 22:19:19 +0000 (GMT) Received: from localhost.localdomain (unknown [9.47.158.152]) by b01ledav005.gho.pok.ibm.com (Postfix) with ESMTP; Wed, 10 Mar 2021 22:19:19 +0000 (GMT) From: Stefan Berger To: peterhuewe@gmx.de, jarkko@kernel.org Cc: jgg@ziepe.ca, linux-integrity@vger.kernel.org, linux-security-module@vger.kernel.org, linux-kernel@vger.kernel.org, Stefan Berger Subject: [PATCH v2 0/3] Fix bugs related to TPM2 event log Date: Wed, 10 Mar 2021 17:19:13 -0500 Message-Id: <20210310221916.356716-1-stefanb@linux.ibm.com> X-Mailer: git-send-email 2.29.2 MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.369,18.0.761 definitions=2021-03-10_12:2021-03-10,2021-03-10 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 mlxlogscore=999 clxscore=1015 impostorscore=0 priorityscore=1501 bulkscore=0 mlxscore=0 spamscore=0 adultscore=0 malwarescore=0 suspectscore=0 lowpriorityscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2103100105 Precedence: bulk List-ID: This series of patches fixes a couple of issues related to TPM2 event logs, such as the disappearance of the TPM2 log on QEMU machines running with UEFI (my fault) and a kernel fault due to an integer under- flow when reading the TPM 2 log multiple times. Regards, Stefan v1->v2: - Revised patches 1 & 2 Stefan Berger (3): tpm: efi: Use local variable for calculating final log size tpm: acpi: Check eventlog signature before using it tpm: vtpm_proxy: Avoid reading host log when using a virtual device drivers/char/tpm/eventlog/acpi.c | 33 +++++++++++++++++++++++++++++- drivers/char/tpm/eventlog/common.c | 3 +++ drivers/char/tpm/eventlog/efi.c | 29 ++++++++++++++++++-------- 3 files changed, 56 insertions(+), 9 deletions(-)