Re: [PATCH v1 2/8] mm, kasan: SLAB support

[Joonsoo Kim <iamjoonsoo.kim@lge.com>]

On Wed, Jan 27, 2016 at 07:25:07PM +0100, Alexander Potapenko wrote:
> This patch adds KASAN hooks to SLAB allocator.
> 
> This patch is based on the "mm: kasan: unified support for SLUB and
> SLAB allocators" patch originally prepared by Dmitry Chernenkov.
> 
> Signed-off-by: Alexander Potapenko <glider@google.com>
> ---
>  Documentation/kasan.txt  |  5 ++-

...

> +#ifdef CONFIG_SLAB
> +struct kasan_alloc_meta *get_alloc_info(struct kmem_cache *cache,
> +					const void *object)
> +{
> +	return (void *)object + cache->kasan_info.alloc_meta_offset;
> +}
> +
> +struct kasan_free_meta *get_free_info(struct kmem_cache *cache,
> +				      const void *object)
> +{
> +	return (void *)object + cache->kasan_info.free_meta_offset;
> +}
> +#endif

I cannot find the place to store stack info for free. get_free_info()
isn't used except print_object(). Plese let me know where.

Thanks.

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