On Fri, Jan 19, 2018 at 4:57 PM, Andrey Ryabinin
wrote:
>
>
> On 01/19/2018 05:54 PM, Andrey Konovalov wrote:
>
>> diff --git a/scripts/Makefile.kasan b/scripts/Makefile.kasan
>> index dbbd4382f15a..db473309f136 100644
>> --- a/scripts/Makefile.kasan
>> +++ b/scripts/Makefile.kasan
>> @@ -39,4 +39
On 01/19/2018 05:54 PM, Andrey Konovalov wrote:
> diff --git a/scripts/Makefile.kasan b/scripts/Makefile.kasan
> index dbbd4382f15a..db473309f136 100644
> --- a/scripts/Makefile.kasan
> +++ b/scripts/Makefile.kasan
> @@ -39,4 +39,7 @@ else
> endif
>
> CFLAGS_KASAN += $(call cc-option, -fsani
With KASAN enabled the kernel has two different memset() functions, one
with KASAN checks (memset) and one without (__memset). KASAN uses some
macro tricks to use the proper version where required. For example memset()
calls in mm/slub.c are without KASAN checks, since they operate on poisoned
slab
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