On Wed, Oct 07, 2020 at 09:20:50AM +0000, Ciara Loftus wrote:
> strncpy may leave the destination buffer not NULL terminated so use
> strlcpy instead.
>
> Coverity issue: 362975
> Fixes: 339b88c6a91f ("net/af_xdp: support multi-queue")
> Signed-off-by: Ciara Loftus <ciara.lof...@intel.com>
> ---
Acked-by: Bruce Richardson <bruce.richard...@intel.com>
If the community prefers using rte_strscpy, this ack can also apply to v4
too. :-)
> v2:
> * use strlcpy instead of snprintf
>
> drivers/net/af_xdp/rte_eth_af_xdp.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/net/af_xdp/rte_eth_af_xdp.c
> b/drivers/net/af_xdp/rte_eth_af_xdp.c
> index eaf2c9c873..ac00cbab8e 100644
> --- a/drivers/net/af_xdp/rte_eth_af_xdp.c
> +++ b/drivers/net/af_xdp/rte_eth_af_xdp.c
> @@ -1362,7 +1362,7 @@ xdp_get_channels_info(const char *if_name, int
> *max_queues,
>
> channels.cmd = ETHTOOL_GCHANNELS;
> ifr.ifr_data = (void *)&channels;
> - strncpy(ifr.ifr_name, if_name, IFNAMSIZ);
> + strlcpy(ifr.ifr_name, if_name, IFNAMSIZ);
> ret = ioctl(fd, SIOCETHTOOL, &ifr);
> if (ret) {
> if (errno == EOPNOTSUPP) {
> --
> 2.17.1
>
