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=-2.5 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,USER_AGENT_MUTT 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 968AFC43381 for ; Mon, 1 Apr 2019 23:52:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6EA7320828 for ; Mon, 1 Apr 2019 23:52:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726284AbfDAXwx (ORCPT ); Mon, 1 Apr 2019 19:52:53 -0400 Received: from mga11.intel.com ([192.55.52.93]:16849 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725897AbfDAXwx (ORCPT ); Mon, 1 Apr 2019 19:52:53 -0400 X-Amp-Result: UNKNOWN X-Amp-Original-Verdict: FILE UNKNOWN X-Amp-File-Uploaded: False Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by fmsmga102.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 01 Apr 2019 16:52:52 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.60,298,1549958400"; d="scan'208";a="145740064" Received: from unknown (HELO localhost) ([10.249.254.142]) by FMSMGA003.fm.intel.com with ESMTP; 01 Apr 2019 16:52:47 -0700 Date: Tue, 2 Apr 2019 02:52:45 +0300 From: Jarkko Sakkinen To: Matthew Garrett , tomas.winkler@intel.com Cc: linux-integrity@vger.kernel.org, peterhuewe@gmx.de, jgg@ziepe.ca, roberto.sassu@huawei.com, linux-efi@vger.kernel.org, linux-security-module@vger.kernel.org, linux-kernel@vger.kernel.org, tweek@google.com Subject: Re: Add support for TCG2 log format on UEFI systems Message-ID: <20190401235245.GA29282@linux.intel.com> References: <20190227202658.197113-1-matthewgarrett@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190227202658.197113-1-matthewgarrett@google.com> Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo User-Agent: Mutt/1.10.1 (2018-07-13) Sender: owner-linux-security-module@vger.kernel.org Precedence: bulk List-ID: On Wed, Feb 27, 2019 at 12:26:54PM -0800, Matthew Garrett wrote: > Identical to V4, but based on tpmdd-next OK, so on my GLK NUC I get valid final log and invalid event log after adding some extra klogs. I.e. - if (efi.tpm_log == EFI_INVALID_TABLE_ADDR) + if (efi.tpm_log == EFI_INVALID_TABLE_ADDR) { + pr_err("No event log\n"); return -ENODEV; + } will result [ 2.654392] No event log but still [ 0.000000] efi: ACPI 2.0=0x69ca2000 ACPI=0x69ca2000 TPMFinalLog=0x69ce4000 SMBIOS=0x69f63000 SMBIOS 3.0=0x69f62000 ESRT=0x69f3e818 MEMATTR=0x63475118 Tomas, I wonder if you are able to get the log out with some machine? /Jarkko