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[23.128.96.18]) by mx.google.com with ESMTP id r16si254466edp.57.2020.05.19.13.01.48; Tue, 19 May 2020 13:02:14 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728551AbgEST7n (ORCPT + 99 others); Tue, 19 May 2020 15:59:43 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52156 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728397AbgEST7N (ORCPT ); Tue, 19 May 2020 15:59:13 -0400 Received: from Galois.linutronix.de (Galois.linutronix.de [IPv6:2a0a:51c0:0:12e:550::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CB598C08C5C3; Tue, 19 May 2020 12:59:12 -0700 (PDT) Received: from [5.158.153.53] (helo=tip-bot2.lab.linutronix.de) by Galois.linutronix.de with esmtpsa (TLS1.2:DHE_RSA_AES_256_CBC_SHA256:256) (Exim 4.80) (envelope-from ) id 1jb8OK-0000Fz-Lb; Tue, 19 May 2020 21:59:08 +0200 Received: from [127.0.1.1] (localhost [IPv6:::1]) by tip-bot2.lab.linutronix.de (Postfix) with ESMTP id E2B041C0864; Tue, 19 May 2020 21:58:48 +0200 (CEST) Date: Tue, 19 May 2020 19:58:48 -0000 From: "tip-bot2 for Peter Zijlstra" Reply-to: linux-kernel@vger.kernel.org To: linux-tip-commits@vger.kernel.org Subject: [tip: x86/entry] x86/entry: Exclude low level entry code from sanitizing Cc: "Peter Zijlstra (Intel)" , Thomas Gleixner , Alexandre Chartre , x86 , LKML In-Reply-To: <20200505134059.970057117@linutronix.de> References: <20200505134059.970057117@linutronix.de> MIME-Version: 1.0 Message-ID: <158991832880.17951.1917868661676075509.tip-bot2@tip-bot2> X-Mailer: tip-git-log-daemon Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Linutronix-Spam-Score: -1.0 X-Linutronix-Spam-Level: - X-Linutronix-Spam-Status: No , -1.0 points, 5.0 required, ALL_TRUSTED=-1,SHORTCIRCUIT=-0.0001 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The following commit has been merged into the x86/entry branch of tip: Commit-ID: d13c070160256152bbc5d2072d39a339846fa5b7 Gitweb: https://git.kernel.org/tip/d13c070160256152bbc5d2072d39a339846fa5b7 Author: Peter Zijlstra AuthorDate: Thu, 05 Mar 2020 14:01:25 +01:00 Committer: Thomas Gleixner CommitterDate: Fri, 15 May 2020 20:03:05 +02:00 x86/entry: Exclude low level entry code from sanitizing The sanitizers are not really applicable to the fragile low level entry code. Entry code needs to carefully setup a normal 'runtime' environment. Signed-off-by: Peter Zijlstra (Intel) Signed-off-by: Thomas Gleixner Reviewed-by: Alexandre Chartre Link: https://lkml.kernel.org/r/20200505134059.970057117@linutronix.de --- arch/x86/entry/Makefile | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/arch/x86/entry/Makefile b/arch/x86/entry/Makefile index 85eb381..cdf45ff 100644 --- a/arch/x86/entry/Makefile +++ b/arch/x86/entry/Makefile @@ -3,6 +3,14 @@ # Makefile for the x86 low level entry code # +KASAN_SANITIZE := n +UBSAN_SANITIZE := n +KCOV_INSTRUMENT := n + +CFLAGS_REMOVE_common.o = $(CC_FLAGS_FTRACE) -fstack-protector -fstack-protector-strong +CFLAGS_REMOVE_syscall_32.o = $(CC_FLAGS_FTRACE) -fstack-protector -fstack-protector-strong +CFLAGS_REMOVE_syscall_64.o = $(CC_FLAGS_FTRACE) -fstack-protector -fstack-protector-strong + OBJECT_FILES_NON_STANDARD_entry_64_compat.o := y CFLAGS_syscall_64.o += $(call cc-option,-Wno-override-init,)