Re: [kernel-hardening] [PATCH v2 25/30] fork: Define usercopy region in thread_stack slab caches

2017-08-30 Thread Rik van Riel
On Mon, 2017-08-28 at 14:35 -0700, Kees Cook wrote: > From: David Windsor > > In support of usercopy hardening, this patch defines a region in the > thread_stack slab caches in which userspace copy operations are > allowed. > Since the entire thread_stack needs to be available

Re: [kernel-hardening] [PATCH v2 25/30] fork: Define usercopy region in thread_stack slab caches

2017-08-30 Thread Rik van Riel
On Mon, 2017-08-28 at 14:35 -0700, Kees Cook wrote: > From: David Windsor > > In support of usercopy hardening, this patch defines a region in the > thread_stack slab caches in which userspace copy operations are > allowed. > Since the entire thread_stack needs to be available to userspace, the