Re: [PATCH v2 5/5] arm64: add KASan support

[Linus Walleij]

On Tue, May 26, 2015 at 4:22 PM, Andrey Ryabinin <a.ryabinin@xxxxxxxxxxx> wrote:
> On 05/26/2015 05:12 PM, Andrey Ryabinin wrote:
>> On 05/26/2015 04:35 PM, Linus Walleij wrote:
>>> I wonder were the problem lies, any hints where to start looking
>>> to fix this?
>>>
>>
>> I suspect that your compiler lack -fsantize=kernel-address support.
>> It seems that GCC 4.9.2 doesn't supports -fsanitize=address/kernel-address on aarch64.
>>
>
> In that case you should get something like this, during kernel build:
>         scripts/Makefile.kasan:17: Cannot use CONFIG_KASAN: -fsanitize=kernel-address is not supported by compiler

Aha yep that's it when I look closer...

I'm going back and rebuilding my compiler. May as well do a trunk
5.0 build and try to get KASAN_INLINE working while I'm at it.

Yours,
Linus Walleij
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