From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932226AbbG1JDU (ORCPT ); Tue, 28 Jul 2015 05:03:20 -0400 Received: from mx1.redhat.com ([209.132.183.28]:56810 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752299AbbG1JDR (ORCPT ); Tue, 28 Jul 2015 05:03:17 -0400 Organization: Red Hat UK Ltd. Registered Address: Red Hat UK Ltd, Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SI4 1TE, United Kingdom. Registered in England and Wales under Company Registration No. 3798903 From: David Howells In-Reply-To: References: <5299.1438025624@warthog.procyon.org.uk> <55B6988D.4060805@kernel.org> <17310.1438036987@warthog.procyon.org.uk> To: Andy Lutomirski Cc: dhowells@redhat.com, Andy Lutomirski , James Morris , David Woodhouse , Luis Rodriguez , keyrings@linux-nfs.org, "linux-kernel@vger.kernel.org" , LSM List Subject: Re: [GIT PULL] MODSIGN: Use PKCS#7 for module signatures MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <6446.1438074191.1@warthog.procyon.org.uk> Date: Tue, 28 Jul 2015 10:03:11 +0100 Message-ID: <6447.1438074191@warthog.procyon.org.uk> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Andy Lutomirski wrote: > How would it cause kexec problems? I can only see it being a problem > if Authenticode can't handle authattrs, right? There shouldn't be any > legacy PKCS7 kexec images whatsoever, because no existing kernel will > boot them or generate them. I was wondering if it is possible to get an mscode message that doesn't have authattrs in it. I guess we can just ignore the possibility until the matter arises, if it does, and deal with it then as appropriate. David