[v3 PATCH] arm64: kasan: instrument user memory access API
From: catalin.marinas@arm.com (Catalin Marinas)
Date: 2016-06-21 14:48:59
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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 <redacted>
Reviewed-by: Mark Rutland <mark.rutland@arm.com>
Tested-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Yang Shi <redacted>Queued for 4.8. Thanks. -- Catalin