linux-kernel - Re: [PATCH -next] kcsan, ubsan: Make KCSAN+UBSAN work together

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Date:   Tue, 19 Nov 2019 13:17:54 -0800
From:   "Paul E. McKenney" <paulmck@...nel.org>
To:     Randy Dunlap <rdunlap@...radead.org>
Cc:     Marco Elver <elver@...gle.com>,
        Stephen Rothwell <sfr@...b.auug.org.au>,
        Linux Next Mailing List <linux-next@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        kasan-dev <kasan-dev@...glegroups.com>,
        Dmitry Vyukov <dvyukov@...gle.com>
Subject: Re: [PATCH -next] kcsan, ubsan: Make KCSAN+UBSAN work together

On Tue, Nov 19, 2019 at 01:07:43PM -0800, Randy Dunlap wrote:
> 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 <rdunlap@...radead.org>
> > Signed-off-by: Marco Elver <elver@...gle.com>
> 
> Acked-by: Randy Dunlap <rdunlap@...radead.org> # build-tested

Applied, thank you both!

							Thanx, Paul

> 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