[kernel-hardening] Re: [PATCH 02/38] usercopy: Enhance and rename report_usercopy()

Christopher Lameter
2018-01-11T17:06:56Z

On Wed, 10 Jan 2018, Kees Cook wrote:

> diff --git a/mm/slab.h b/mm/slab.h
> index ad657ffa44e5..7d29e69ac310 100644
> --- a/mm/slab.h
> +++ b/mm/slab.h
> @@ -526,4 +526,10 @@ static inline int cache_random_seq_create(struct kmem_cache *cachep,
> static inline void cache_random_seq_destroy(struct kmem_cache *cachep) { }
> #endif /* CONFIG_SLAB_FREELIST_RANDOM */
>
> +#ifdef CONFIG_HARDENED_USERCOPY
> +void __noreturn usercopy_abort(const char *name, const char *detail,
> + bool to_user, unsigned long offset,
> + unsigned long len);
> +#endif
> +
> #endif /* MM_SLAB_H */

This code has nothing to do with slab allocation. Move it into
include/linux/uaccess.h where the other user space access definitions are?