Re: [PATCH v13 7/7] kasan: don't run tests in async mode

From: Catalin Marinas
Date: Fri Feb 12 2021 - 12:23:20 EST


On Thu, Feb 11, 2021 at 03:33:53PM +0000, Vincenzo Frascino wrote:
> From: Andrey Konovalov <andreyknvl@xxxxxxxxxx>
>
> Asynchronous KASAN mode doesn't guarantee that a tag fault will be
> detected immediately and causes tests to fail. Forbid running them
> in asynchronous mode.
>
> Signed-off-by: Andrey Konovalov <andreyknvl@xxxxxxxxxx>
> Signed-off-by: Vincenzo Frascino <vincenzo.frascino@xxxxxxx>
> ---
> lib/test_kasan.c | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/lib/test_kasan.c b/lib/test_kasan.c
> index f8c72d3aed64..77a60592d350 100644
> --- a/lib/test_kasan.c
> +++ b/lib/test_kasan.c
> @@ -51,6 +51,10 @@ static int kasan_test_init(struct kunit *test)
> kunit_err(test, "can't run KASAN tests with KASAN disabled");
> return -1;
> }
> + if (kasan_flag_async) {
> + kunit_err(test, "can't run KASAN tests in async mode");
> + return -1;
> + }

I think we have time to fix this properly ;), so I'd rather not add this
patch at all.

--
Catalin