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=-8.6 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,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 41CA2C432C3 for ; Tue, 19 Nov 2019 20:16:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1DC7E2240E for ; Tue, 19 Nov 2019 20:16:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1574194606; bh=sQ5mn4/bjHd0zxd/0NupgN5c6d/PZOshKXN6NCaR33I=; h=Date:From:To:Cc:Subject:Reply-To:References:In-Reply-To:List-ID: From; b=qoWeHh9ekpM+mvJ6ETR+4WviTi0hDdqCEiglcMzx/QN4UxtZTzCJQEWFkpFLJCoUf Dhg03dDbDOXPUa1fj83atT4urvZErj09J1FbT4SrCJZxFpefZzpnmX8pdX/M0+h0pM iXVuKv6WIgFUBA97viQnLvLmW4VXtU10qQjz15eE= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727374AbfKSUQp (ORCPT ); Tue, 19 Nov 2019 15:16:45 -0500 Received: from mail.kernel.org ([198.145.29.99]:48842 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726792AbfKSUQo (ORCPT ); Tue, 19 Nov 2019 15:16:44 -0500 Received: from paulmck-ThinkPad-P72.home (unknown [199.201.64.135]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 005F622317; Tue, 19 Nov 2019 20:16:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1574194604; bh=sQ5mn4/bjHd0zxd/0NupgN5c6d/PZOshKXN6NCaR33I=; h=Date:From:To:Cc:Subject:Reply-To:References:In-Reply-To:From; b=DFheVwMwx861VjuH67FyHyyt8wPctToRwbYPyhPND4UwwlCyGsSrx5BLOYfPmPknX skFvpPCBfPKdaXjqHndLjq2gfPfIrPDSfTEWsQaclB/pDbKUJb/jZQrZCyyWdxiQyc v3IegiSxc0oyWCNZWvkwzp3x+ehRYk9UrzGzN3/Q= Received: by paulmck-ThinkPad-P72.home (Postfix, from userid 1000) id 8F9FC3520FA7; Tue, 19 Nov 2019 12:16:43 -0800 (PST) Date: Tue, 19 Nov 2019 12:16:43 -0800 From: "Paul E. McKenney" To: Marco Elver Cc: Randy Dunlap , Stephen Rothwell , Linux Next Mailing List , Linux Kernel Mailing List , kasan-dev , Dmitry Vyukov Subject: Re: [PATCH -next] kcsan, ubsan: Make KCSAN+UBSAN work together Message-ID: <20191119201643.GF2889@paulmck-ThinkPad-P72> Reply-To: paulmck@kernel.org References: <20191119194658.39af50d0@canb.auug.org.au> <20191119183407.GA68739@google.com> <20191119185742.GB68739@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20191119185742.GB68739@google.com> User-Agent: Mutt/1.9.4 (2018-02-28) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Nov 19, 2019 at 07:57:42PM +0100, 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 Applied and pushed out on -rcu's "kcsan" branch, thank you both! Thanx, Paul > --- > 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 > -- > 2.24.0.432.g9d3f5f5b63-goog