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SubjectRe: [PATCH 05/36] usercopy: WARN() on slab cache usercopy region violations
On Tue, 9 Jan 2018, Kees Cook wrote:

> @@ -3823,11 +3825,9 @@ int __check_heap_object(const void *ptr, unsigned long n, struct page *page,

Could we do the check in mm_slab_common.c for all allocators and just have
a small function in each allocators that give you the metadata needed for
the object?

> + * carefully audit the whitelist range).
> + */
> int report_usercopy(const char *name, const char *detail, bool to_user,
> unsigned long offset, unsigned long len)
> {

Should this not be added earlier?

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