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
Also you may check you gcc by compiling simple program:
$ cat test.c
void main(void) {
}
$ gcc -fsanitize=kernel-address test.c
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