Re: [PATCH] kconfig: Add kernel config option for fuzz testing.

[Masahiro Yamada]

On Mon, Dec 16, 2019 at 7:01 PM Tetsuo Handa
<penguin-kernel@xxxxxxxxxxxxxxxxxxx> wrote:
>

Please do not use the subject prefix "kconfig:"
unless you are touching files in scripts/kconfig/.

Thanks.


> While syzkaller is finding many bugs, sometimes syzkaller examines
> stupid operations. But disabling operations using kernel config option
> is problematic because "kernel config option excludes whole module when
> there is still room for examining all but specific operation" and
> "the list of kernel config options becomes too complicated to maintain
> because such list changes over time". Thus, this patch introduces a
> kernel config option which allows disabling only specific operations.
> This kernel config option should be enabled only when building kernels
> for fuzz testing.
>
> Signed-off-by: Tetsuo Handa <penguin-kernel@xxxxxxxxxxxxxxxxxxx>
> Cc: Dmitry Vyukov <dvyukov@xxxxxxxxxx>
> ---
-- 
Best Regards
Masahiro Yamada