[PATCH] kasan: Fix Oops due to missing calls to kasan_arch_is_ready()

[Andrew Morton]

On Thu, 26 Jan 2023 08:04:47 +0100 Christophe Leroy <christophe.leroy at csgroup.eu> wrote:

> On powerpc64, you can build a kernel with KASAN as soon as you build it
> with RADIX MMU support. However if the CPU doesn't have RADIX MMU,
> KASAN isn't enabled at init and the following Oops is encountered.

Should we backport to -stable?  If so, can we identify a suitable Fixes: target?

Thanks.