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=-3.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,USER_AGENT_GIT autolearn=ham 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 A1CFAC46470 for ; Wed, 15 Aug 2018 10:10:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 646DE216E4 for ; Wed, 15 Aug 2018 10:10:53 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 646DE216E4 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=sembritzki.me Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729053AbeHONAn (ORCPT ); Wed, 15 Aug 2018 09:00:43 -0400 Received: from mail.sembritzki.me ([5.45.101.249]:59858 "EHLO mail.sembritzki.me" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728583AbeHONAn (ORCPT ); Wed, 15 Aug 2018 09:00:43 -0400 X-Greylist: delayed 445 seconds by postgrey-1.27 at vger.kernel.org; Wed, 15 Aug 2018 09:00:42 EDT Received: from yannik-laptop.fritz.box (x4dbb4132.dyn.telefonica.de [77.187.65.50]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.sembritzki.me (Postfix) with ESMTPSA id 02F76A7A94; Wed, 15 Aug 2018 12:01:45 +0200 (CEST) From: Yannik Sembritzki To: Thomas Gleixner , Ingo Molnar , "H. Peter Anvin" , x86@kernel.org, linux-kernel@vger.kernel.org Cc: Yannik Sembritzki Subject: [PATCH] Fix kexec forbidding kernels signed with custom platform keys to boot Date: Wed, 15 Aug 2018 12:00:53 +0200 Message-Id: <20180815100053.13609-1-yannik@sembritzki.me> X-Mailer: git-send-email 2.17.1 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --- arch/x86/kernel/kexec-bzimage64.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/kernel/kexec-bzimage64.c b/arch/x86/kernel/kexec-bzimage64.c index 7326078e..eaaa125d 100644 --- a/arch/x86/kernel/kexec-bzimage64.c +++ b/arch/x86/kernel/kexec-bzimage64.c @@ -532,7 +532,7 @@ static int bzImage64_cleanup(void *loader_data) static int bzImage64_verify_sig(const char *kernel, unsigned long kernel_len) { return verify_pefile_signature(kernel, kernel_len, - NULL, + (void *)1UL, VERIFYING_KEXEC_PE_SIGNATURE); } #endif -- 2.17.1 The exact scenario under which this issue occurs is described here: https://bugzilla.redhat.com/show_bug.cgi?id=1554113