From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-io0-f198.google.com (mail-io0-f198.google.com [209.85.223.198]) by kanga.kvack.org (Postfix) with ESMTP id DA6506B026E for ; Thu, 11 Jan 2018 12:06:59 -0500 (EST) Received: by mail-io0-f198.google.com with SMTP id 79so2222591iou.19 for ; Thu, 11 Jan 2018 09:06:59 -0800 (PST) Received: from resqmta-ch2-05v.sys.comcast.net (resqmta-ch2-05v.sys.comcast.net. [2001:558:fe21:29:69:252:207:37]) by mx.google.com with ESMTPS id u203si2832703iod.284.2018.01.11.09.06.58 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 11 Jan 2018 09:06:58 -0800 (PST) Date: Thu, 11 Jan 2018 11:06:56 -0600 (CST) From: Christopher Lameter Subject: Re: [PATCH 02/38] usercopy: Enhance and rename report_usercopy() In-Reply-To: <1515636190-24061-3-git-send-email-keescook@chromium.org> Message-ID: References: <1515636190-24061-1-git-send-email-keescook@chromium.org> <1515636190-24061-3-git-send-email-keescook@chromium.org> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Sender: owner-linux-mm@kvack.org List-ID: To: Kees Cook Cc: linux-kernel@vger.kernel.org, Linus Torvalds , David Windsor , Alexander Viro , Andrew Morton , Andy Lutomirski , Christoph Hellwig , "David S. Miller" , Laura Abbott , Mark Rutland , "Martin K. Petersen" , Paolo Bonzini , Christian Borntraeger , Christoffer Dall , Dave Kleikamp , Jan Kara , Luis de Bethencourt , Marc Zyngier , Rik van Riel , Matthew Garrett , linux-fsdevel@vger.kernel.org, linux-arch@vger.kernel.org, netdev@vger.kernel.org, linux-mm@kvack.org, kernel-hardening@lists.openwall.com 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? -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org