On Mon, Feb 22, 2021 at 6:10 AM Zhiyuan Dai <daizhiy...@phytium.com.cn> wrote:
>
> strlcpy is marked as deprecated in Documentation/process/deprecated.rst,
> and there is no functional difference when the caller expects truncation
> (when not checking the return value). strscpy is relatively better as it
> also avoids scanning the whole source string.

Looks like a good thing to do.

> Signed-off-by: Zhiyuan Dai <daizhiy...@phytium.com.cn>
Acked-by: Alexander Potapenko <gli...@google.com>

> ---
>  mm/kasan/report_generic.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/mm/kasan/report_generic.c b/mm/kasan/report_generic.c
> index 8a9c889..fc7f7ad 100644
> --- a/mm/kasan/report_generic.c
> +++ b/mm/kasan/report_generic.c
> @@ -148,7 +148,7 @@ static bool __must_check tokenize_frame_descr(const char 
> **frame_descr,
>                 }
>
>                 /* Copy token (+ 1 byte for '\0'). */
> -               strlcpy(token, *frame_descr, tok_len + 1);
> +               strscpy(token, *frame_descr, tok_len + 1);
>         }
>
>         /* Advance frame_descr past separator. */
> --
> 1.8.3.1
>


-- 
Alexander Potapenko
Software Engineer

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