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

From: Paul E. McKenney
Date: Tue Nov 19 2019 - 16:17:57 EST


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@xxxxxxxxxxxxx
> >
> > Reported-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
> > Signed-off-by: Marco Elver <elver@xxxxxxxxxx>
>
> Acked-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx> # 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