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Date: Thu, 7 Jul 2016 08:37:10 +0300
From: Baruch Siach <baruch@...s.co.il>
To: Kees Cook <keescook@...omium.org>
Cc: linux-kernel@...r.kernel.org, Jan Kara <jack@...e.cz>,
	kernel-hardening@...ts.openwall.com,
	Catalin Marinas <catalin.marinas@....com>,
	Will Deacon <will.deacon@....com>, linux-mm@...ck.org,
	sparclinux@...r.kernel.org, linux-ia64@...r.kernel.org,
	Christoph Lameter <cl@...ux.com>,
	Andrea Arcangeli <aarcange@...hat.com>, linux-arch@...r.kernel.org,
	Michael Ellerman <mpe@...erman.id.au>, x86@...nel.org,
	Russell King <linux@...linux.org.uk>,
	linux-arm-kernel@...ts.infradead.org,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	PaX Team <pageexec@...email.hu>, Borislav Petkov <bp@...e.de>,
	Mathias Krause <minipli@...glemail.com>,
	Fenghua Yu <fenghua.yu@...el.com>, Rik van Riel <riel@...hat.com>,
	Vitaly Wool <vitalywool@...il.com>,
	David Rientjes <rientjes@...gle.com>,
	Tony Luck <tony.luck@...el.com>, Andy Lutomirski <luto@...nel.org>,
	Joonsoo Kim <iamjoonsoo.kim@....com>,
	Dmitry Vyukov <dvyukov@...gle.com>,
	Laura Abbott <labbott@...oraproject.org>,
	Brad Spengler <spender@...ecurity.net>,
	Ard Biesheuvel <ard.biesheuvel@...aro.org>,
	Pekka Enberg <penberg@...nel.org>,
	Casey Schaufler <casey@...aufler-ca.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linuxppc-dev@...ts.ozlabs.org,
	"David S. Miller" <davem@...emloft.net>
Subject: Re: [PATCH 1/9] mm: Hardened usercopy

Hi Kees,

On Wed, Jul 06, 2016 at 03:25:20PM -0700, Kees Cook wrote:
> +#ifdef CONFIG_HAVE_HARDENED_USERCOPY_ALLOCATOR

Should be CONFIG_HARDENED_USERCOPY to match the slab/slub implementation 
condition.

> +const char *__check_heap_object(const void *ptr, unsigned long n,
> +				struct page *page);
> +#else
> +static inline const char *__check_heap_object(const void *ptr,
> +					      unsigned long n,
> +					      struct page *page)
> +{
> +	return NULL;
> +}
> +#endif

baruch

-- 
     http://baruch.siach.name/blog/                  ~. .~   Tk Open Systems
=}------------------------------------------------ooO--U--Ooo------------{=
   - baruch@...s.co.il - tel: +972.52.368.4656, http://www.tkos.co.il -

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