Re: [PATCH] ubsan: remove meaningless CONFIG_ARCH_HAS_UBSAN

[Kees Cook]

On Tue, May 14, 2024 at 06:54:26PM +0900, Masahiro Yamada wrote:
> All architectures can enable UBSAN regardless of ARCH_HAS_UBSAN
> because there is no "depends on ARCH_HAS_UBSAN" line.
> 
> Fixes: 918327e9b7ff ("ubsan: Remove CONFIG_UBSAN_SANITIZE_ALL")
> Signed-off-by: Masahiro Yamada <masahiroy@xxxxxxxxxx>

Oh, er, we probably want the reverse of this: add a depends to
CONFIG_UBSAN, otherwise we may end up trying to build with UBSAN when it
is not supported. That was my intention -- it looks like I missed adding
the line. :(

-Kees

-- 
Kees Cook