Re: [PATCH bpf-next v2] bpf: Replace strncpy() with strscpy()

[Yonghong Song]

On 3/3/22 11:04 PM, Yuntao Wang wrote:
> Using strncpy() on NUL-terminated strings is considered deprecated[1].
> Moreover, if the length of 'task->comm' is less than the destination buffer
> size, strncpy() will NUL-pad the destination buffer, which is a needless
> performance penalty.
>
> Replacing strncpy() with strscpy() fixes all these issues.
>
> [1] https://www.kernel.org/doc/html/latest/process/deprecated.html#strncpy-on-nul-terminated-strings
>
> Signed-off-by: Yuntao Wang <ytcoode@xxxxxxxxx>

Acked-by: Yonghong Song <yhs@xxxxxx>