lkml.org 
[lkml]   [2021]   [Jan]   [26]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH] kasan: export kasan_poison
From
Date


On 1/25/21 11:28 AM, Arnd Bergmann wrote:
> From: Arnd Bergmann <arnd@arndb.de>
>
> The unit test module fails to build after adding a reference
> to kasan_poison:
>
> ERROR: modpost: "kasan_poison" [lib/test_kasan.ko] undefined!
>
> Export this symbol to make it available to loadable modules.
>
> Fixes: b9b322c2bba9 ("kasan: add match-all tag tests")
> Signed-off-by: Arnd Bergmann <arnd@arndb.de>

Thanks I just stumbled on the same issue ;)

Reviewed-by: Vincenzo Frascino <vincenzo.frascino@arm.com>

> ---
> mm/kasan/shadow.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/mm/kasan/shadow.c b/mm/kasan/shadow.c
> index de6b3f074742..32e7a5c148e6 100644
> --- a/mm/kasan/shadow.c
> +++ b/mm/kasan/shadow.c
> @@ -94,6 +94,7 @@ void kasan_poison(const void *address, size_t size, u8 value)
>
> __memset(shadow_start, value, shadow_end - shadow_start);
> }
> +EXPORT_SYMBOL_GPL(kasan_poison);
>
> void kasan_unpoison(const void *address, size_t size)
> {
>

--
Regards,
Vincenzo

\
 
 \ /
  Last update: 2021-01-26 06:57    [W:0.062 / U:0.272 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site