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

From: Marco Elver
Date: Thu Aug 12 2021 - 11:44:18 EST


On Thu, 12 Aug 2021 at 17:06, Andrey Konovalov <andreyknvl@xxxxxxxxx> wrote:
> 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.

Reviewed-by: Marco Elver <elver@xxxxxxxxxx>

Looks good, thank you!