Re: [PATCH 4/4] x86: Ignore stack unwinding in KCOV

[Alexander Potapenko]

On Tue, Jun 4, 2024 at 3:45 PM 'Dmitry Vyukov' via syzkaller
<syzkaller@xxxxxxxxxxxxxxxx> wrote:
>
> Stack unwinding produces large amounts of uninteresting coverage.
> It's called from KASAN kmalloc/kfree hooks, fault injection, etc.
> It's not particularly useful and is not a function of system call args.
> Ignore that code.
>
> Signed-off-by: Dmitry Vyukov <dvyukov@xxxxxxxxxx>
> Cc: x86@xxxxxxxxxx
> Cc: linux-kernel@xxxxxxxxxxxxxxx
> Cc: syzkaller@xxxxxxxxxxxxxxxx
Reviewed-by: Alexander Potapenko <glider@xxxxxxxxxx>