Date: Wed, 30 Aug 2017 14:55:51 -0400 From: Rik van Riel <riel@...hat.com> To: Kees Cook <keescook@...omium.org>, linux-kernel@...r.kernel.org Cc: David Windsor <dave@...lcore.net>, Ingo Molnar <mingo@...nel.org>, Andrew Morton <akpm@...ux-foundation.org>, Thomas Gleixner <tglx@...utronix.de>, Andy Lutomirski <luto@...nel.org>, linux-mm@...ck.org, kernel-hardening@...ts.openwall.com Subject: Re: [PATCH v2 25/30] fork: Define usercopy region in thread_stack slab caches On Mon, 2017-08-28 at 14:35 -0700, Kees Cook wrote: > From: David Windsor <dave@...lcore.net> > > 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 > entire slab contents are whitelisted. Note that the slab-based thread > stack is only present on systems with THREAD_SIZE < PAGE_SIZE and > !CONFIG_VMAP_STACK. > Acked-by: Rik van Riel <riel@...hat.com> -- All rights reversed Download attachment "signature.asc" of type "application/pgp-signature" (474 bytes)
Powered by blists - more mailing lists
Confused about mailing lists and their use? Read about mailing lists on Wikipedia and check out these guidelines on proper formatting of your messages.