rtnl: fix info leak on RTM_GETLINK request for VF devices

[firefly-linux-kernel-4.4.55.git] / net / core / rtnetlink.c

diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index b376410ff2590f3e10897488fd6c092df70faa4c..a585d45cc9d9faefbc51fde485971a1336065e58 100644 (file)
--- 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 =