Re: [PATCH v4 15/35] mm: slub: Let KMSAN access metadata

[Alexander Potapenko]

On Thu, Jun 13, 2024 at 5:39 PM Ilya Leoshkevich <iii@xxxxxxxxxxxxx> wrote:
>
> Building the kernel with CONFIG_SLUB_DEBUG and CONFIG_KMSAN causes
> KMSAN to complain about touching redzones in kfree().
>
> Fix by extending the existing KASAN-related metadata_access_enable()
> and metadata_access_disable() functions to KMSAN.
>
> Acked-by: Vlastimil Babka <vbabka@xxxxxxx>
> Signed-off-by: Ilya Leoshkevich <iii@xxxxxxxxxxxxx>
Reviewed-by: Alexander Potapenko <glider@xxxxxxxxxx>