Re: [PATCH net-next v2] tun: replace strcpy with strscpy for ifr_name

[Willem de Bruijn]

Miguel García wrote:
> Replace the strcpy() calls that copy the device name into ifr->ifr_name
> with strscpy() to avoid potential overflows and guarantee NULL termination.
> 
> Destination is ifr->ifr_name (size IFNAMSIZ).
> 
> Tested in QEMU (BusyBox rootfs):
>  - Created TUN devices via TUNSETIFF helper
>  - Set addresses and brought links up
>  - Verified long interface names are safely truncated (IFNAMSIZ-1)
> 
> Signed-off-by: Miguel García <miguelgarciaroman8@xxxxxxxxx>

Reviewed-by: Willem de Bruijn <willemb@xxxxxxxxxx>