Re: [PATCH] kasan: Add abbreviation KASAN to init log

[Andrey Konovalov]

On Mon, Apr 13, 2026 at 11:40 AM Paul Menzel <pmenzel@xxxxxxxxxxxxx> wrote:
>
> `sudo dmesg | grep -i kasan` comes back empty, at least confusing me.
> So, include the abbreviation in the log line.
>
> Before:
>
>     KernelAddressSanitizer initialized (generic)
>
> After:
>
>     KernelAddressSanitizer (KASAN) initialized (generic)
>
> Signed-off-by: Paul Menzel <pmenzel@xxxxxxxxxxxxx>
> ---
>  mm/kasan/generic.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/mm/kasan/generic.c b/mm/kasan/generic.c
> index 2b8e73f5f6a7..1fccf7cc9fce 100644
> --- a/mm/kasan/generic.c
> +++ b/mm/kasan/generic.c
> @@ -44,7 +44,7 @@ void __init kasan_init_generic(void)
>  {
>         kasan_enable();
>
> -       pr_info("KernelAddressSanitizer initialized (generic)\n");
> +       pr_info("KernelAddressSanitizer (KASAN) initialized (generic)\n");

I think a better change would be to add:

#define pr_fmt(fmt) "kasan: " fmt

to generic.c.

Similar to how this is done in sw/hw_tags.c.

And arguably, we could also drop the "KernelAddressSanitizer" part
from init messages, to make them look like:

kasan: initialized (generic)

Thank you!

>  }
>
>  /*
> --
> 2.53.0
>