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=-8.1 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 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 B84BAC43215 for ; Tue, 19 Nov 2019 21:07:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 90312222DC for ; Tue, 19 Nov 2019 21:07:49 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="eGaYs1XF" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727405AbfKSVHs (ORCPT ); Tue, 19 Nov 2019 16:07:48 -0500 Received: from bombadil.infradead.org ([198.137.202.133]:49350 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726711AbfKSVHs (ORCPT ); Tue, 19 Nov 2019 16:07:48 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20170209; h=Content-Transfer-Encoding: Content-Type:In-Reply-To:MIME-Version:Date:Message-ID:From:References:Cc:To: Subject:Sender:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=8LgZnqLUmOR88cQIUBGW/lJ1t/5IfAC+QU0QnjEpM/o=; b=eGaYs1XF4z+vyIZ1I9ie3H04c IQAYip3jN3jNs6hrVFTEu9Kplzb6gSo+sCy2r2E7sz7Ab2X3YduvRbouJ05T32K49IipbzrEKTJJg waI3qY7IKLzVvAbbJMfR/t3A1sUs0at50y+Y4EHHI5GE0M5mFrTAFnnQPxhnyrCOtuV01x+nrplB1 Y1FP7Vef86nE0mY0Od7gLC1JzFuHz3IsdkOpleEhCfCkGzjGVpouEiL0NxGcSAwkbaI1IBRph3Y2W txKO4WkFdVb3n4NVkd77D88fQfFBFtvu21h8lWafBMowK7sQHWPVjNUvhBnF8bWIqrabMByaCX7jS dvwFwhbWw==; Received: from [2601:1c0:6280:3f0::5a22] by bombadil.infradead.org with esmtpsa (Exim 4.92.3 #3 (Red Hat Linux)) id 1iXAiv-0004uV-7V; Tue, 19 Nov 2019 21:07:46 +0000 Subject: Re: [PATCH -next] kcsan, ubsan: Make KCSAN+UBSAN work together To: Marco Elver Cc: Stephen Rothwell , Linux Next Mailing List , Linux Kernel Mailing List , kasan-dev , Dmitry Vyukov , "Paul E. McKenney" References: <20191119194658.39af50d0@canb.auug.org.au> <20191119183407.GA68739@google.com> <20191119185742.GB68739@google.com> From: Randy Dunlap Message-ID: <3b8e1707-4e46-560d-a1ea-22e336655ba6@infradead.org> Date: Tue, 19 Nov 2019 13:07:43 -0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.1.1 MIME-Version: 1.0 In-Reply-To: <20191119185742.GB68739@google.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 11/19/19 10:57 AM, Marco Elver wrote: > Context: > http://lkml.kernel.org/r/fb7e25d8-aba4-3dcf-7761-cb7ecb3ebb71@infradead.org > > Reported-by: Randy Dunlap > Signed-off-by: Marco Elver Acked-by: Randy Dunlap # build-tested Thanks. > --- > kernel/kcsan/Makefile | 1 + > lib/Makefile | 1 + > 2 files changed, 2 insertions(+) > > diff --git a/kernel/kcsan/Makefile b/kernel/kcsan/Makefile > index dd15b62ec0b5..df6b7799e492 100644 > --- a/kernel/kcsan/Makefile > +++ b/kernel/kcsan/Makefile > @@ -1,6 +1,7 @@ > # SPDX-License-Identifier: GPL-2.0 > KCSAN_SANITIZE := n > KCOV_INSTRUMENT := n > +UBSAN_SANITIZE := n > > CFLAGS_REMOVE_core.o = $(CC_FLAGS_FTRACE) > > diff --git a/lib/Makefile b/lib/Makefile > index 778ab704e3ad..9d5bda950f5f 100644 > --- a/lib/Makefile > +++ b/lib/Makefile > @@ -279,6 +279,7 @@ obj-$(CONFIG_UBSAN) += ubsan.o > > UBSAN_SANITIZE_ubsan.o := n > KASAN_SANITIZE_ubsan.o := n > +KCSAN_SANITIZE_ubsan.o := n > CFLAGS_ubsan.o := $(call cc-option, -fno-stack-protector) $(DISABLE_STACKLEAK_PLUGIN) > > obj-$(CONFIG_SBITMAP) += sbitmap.o > -- ~Randy