[LTP] [PATCH] syscalls/ioctl_ns05,6: Fix buffer overflow

[xuyang2018.jy@fujitsu.com]

Hi  Marius

cc ltp list
> Hi Yang,
>
> Thanks for your patch! I had missed your email before submitting my PR.
It doesn't matter.
>
> What do you think about also turning the sprintf() into snprintf()?
I have no objection for using snprintf.
Also, ltp usually accepts patch from mailing list instead of pull request.

ps: cc ltp guys, so other maintainers will know I have no objection for 
your patch.

Best  Regards
Yang Xu
>
> Regards,
> Marius