Re: [PATCH v2 0/8] kasan: test: avoid crashing the kernel with HW_TAGS

From: Andrey Konovalov
Date: Thu Aug 12 2021 - 11:06:09 EST


On Thu, Aug 12, 2021 at 4:53 PM <andrey.konovalov@xxxxxxxxx> wrote:
>
> From: Andrey Konovalov <andreyknvl@xxxxxxxxx>
>
> KASAN tests do out-of-bounds and use-after-free accesses. Running the
> tests works fine for the GENERIC mode, as it uses qurantine and redzones.
> But the HW_TAGS mode uses neither, and running the tests might crash
> the kernel.
>
> Rework the tests to avoid corrupting kernel memory.
>
> Changes v1->v2:
> - Touch both good and bad memory in memset tests as suggested by Marco.

Ah, I forgot to include your reviews/acks, Marco.

Perhaps you can give one for the whole series now.

Thanks!