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Date:	Thu, 10 Jul 2014 11:31:13 +0400
From:	Andrey Ryabinin <>
To:	Christoph Lameter <>
Cc:, Dmitry Vyukov <>,
	Konstantin Serebryany <>,
	Alexey Preobrazhensky <>,
	Andrey Konovalov <>,
	Yuri Gribov <>,
	Konstantin Khlebnikov <>,
	Sasha Levin <>,
	Michal Marek <>,
	Russell King <>,
	Thomas Gleixner <>,
	Ingo Molnar <>,
	Pekka Enberg <>,
	David Rientjes <>,
	Joonsoo Kim <>,
	Andrew Morton <>,,,,
Subject: Re: [RFC/PATCH RESEND -next 01/21] Add kernel address sanitizer

On 07/09/14 18:26, Christoph Lameter wrote:
> On Wed, 9 Jul 2014, Andrey Ryabinin wrote:
>> +
>> +Markers of unaccessible bytes could be found in mm/kasan/kasan.h header:
>> +
>> +#define KASAN_FREE_PAGE         0xFF  /* page was freed */
>> +#define KASAN_PAGE_REDZONE      0xFE  /* redzone for kmalloc_large allocations */
>> +#define KASAN_SLAB_REDZONE      0xFD  /* Slab page redzone, does not belong to any slub object */
> We call these zones "PADDING". Redzones are associated with an object.
> Padding is there because bytes are left over, unusable or necessary for
> alignment.
Goop point. I will change the name to make it less confusing.
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