Re: [PATCH] powerpc/kasan: Fix KASAN_SHADOW_START on BOOK3S_32

On Wed, 5 Aug 2020 15:27:29 +0000 (UTC), Christophe Leroy wrote:

On BOOK3S_32, when we have modules and strict kernel RWX, modules
are not in vmalloc space but in a dedicated segment that is
below PAGE_OFFSET.

So KASAN_SHADOW_START must take it into account.

MODULES_VADDR can't be used because it is not defined yet
in kasan.h

Applied to powerpc/fixes.

[1/1] powerpc/kasan: Fix KASAN_SHADOW_START on BOOK3S_32
      https://git.kernel.org/powerpc/c/48d2f0407be7a36e8f20be37ec9121e021ef3964

cheers