Re: [PATCH] arm64: kasan: instrument user memory access API
From: Andrey Ryabinin
Date: Fri May 27 2016 - 07:01:33 EST
On 05/26/2016 09:43 PM, 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.
> Tested by test_kasan module.
> Signed-off-by: Yang Shi <yang.shi@xxxxxxxxxx>
> arch/arm64/include/asm/uaccess.h | 18 ++++++++++++++++--
> 1 file changed, 16 insertions(+), 2 deletions(-)
Please, cover __copy_from_user() and __copy_to_user() too.
Unlike x86, your patch doesn't instrument these two.