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

[Paul Menzel <pmenzel@molgen.mpg.de>]

Dear Andrey,


Am 13.04.26 um 14:37 schrieb Andrey Konovalov:
> On Mon, Apr 13, 2026 at 11:40 AM Paul Menzel <pmenzel@molgen.mpg.de> 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@molgen.mpg.de>
>> ---
>>   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.

Isn’t there only this one log line in `generic.c`, so the generalization 
is not really needed?

> And arguably, we could also drop the "KernelAddressSanitizer" part
> from init messages, to make them look like:
> 
> kasan: initialized (generic)
Some analysis scripts might already depend on KernelAddressSanitizer, so 
I’d keep it.


Kind regards,

Paul