Re: [v3 PATCH] arm64: kasan: instrument user memory access API

From: Catalin Marinas
Date: Tue Jun 21 2016 - 10:49:01 EST


On Wed, Jun 08, 2016 at 02:40:56PM -0700, Yang Shi wrote:
> The upstream commit 1771c6e1a567ea0ba2cccc0a4ffe68a1419fd8ef
> ("x86/kasan: instrument user memory access API") added KASAN instrument to
> x86 user memory access API, so added such instrument to ARM64 too.
>
> Define __copy_to/from_user in C in order to add kasan_check_read/write call,
> rename assembly implementation to __arch_copy_to/from_user.
>
> Tested by test_kasan module.
>
> Acked-by: Andrey Ryabinin <aryabinin@xxxxxxxxxxxxx>
> Reviewed-by: Mark Rutland <mark.rutland@xxxxxxx>
> Tested-by: Mark Rutland <mark.rutland@xxxxxxx>
> Signed-off-by: Yang Shi <yang.shi@xxxxxxxxxx>

Queued for 4.8. Thanks.

--
Catalin