[PATCH 1/5] lib: ubsan: disable sanitization for UBSAN implementation

[Sascha Hauer]

On Mon, Oct 09, 2023 at 01:52:35PM +0200, Ahmad Fatoum wrote:
> As done in Linux, the implementation of ubsan itself should not be
> instrumented by KASAN and stack protector.
> 
> Signed-off-by: Ahmad Fatoum <a.fatoum at pengutronix.de>
> ---
>  lib/Makefile | 2 ++
>  1 file changed, 2 insertions(+)

Applied, thanks

Sascha

> 
> diff --git a/lib/Makefile b/lib/Makefile
> index 2b577becc444..791080b2d158 100644
> --- a/lib/Makefile
> +++ b/lib/Makefile
> @@ -89,6 +89,8 @@ obj-$(CONFIG_GENERIC_LIB_MULDI3)  += muldi3.o
>  pbl-$(CONFIG_GENERIC_LIB_ASHLDI3) += ashldi3.o
>  
>  UBSAN_SANITIZE_ubsan.o := n
> +KASAN_SANITIZE_ubsan.o := n
> +CFLAGS_ubsan.o := -fno-stack-protector
>  
>  libfdt_files = fdt.o fdt_ro.o fdt_wip.o fdt_rw.o fdt_sw.o fdt_strerror.o \
>  	                      fdt_empty_tree.o
> -- 
> 2.39.2
> 
> 
> 

-- 
Pengutronix e.K.                           |                             |
Steuerwalder Str. 21                       | http://www.pengutronix.de/  |
31137 Hildesheim, Germany                  | Phone: +49-5121-206917-0    |
Amtsgericht Hildesheim, HRA 2686           | Fax:   +49-5121-206917-5555 |