diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index b376410ff2590f3e10897488fd6c092df70faa4c..a585d45cc9d9faefbc51fde485971a1336065e58 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -979,6 +979,7 @@ static int rtnl_fill_ifinfo(struct sk_buff *skb, struct net_device *dev,
 			 * report anything.
 			 */
 			ivi.spoofchk = -1;
+			memset(ivi.mac, 0, sizeof(ivi.mac));
 			if (dev->netdev_ops->ndo_get_vf_config(dev, i, &ivi))
 				break;
 			vf_mac.vf =