1 files changed, 2 insertions, 0 deletions

diff --git a/net/batman-adv/soft-interface.c b/net/batman-adv/soft-interface.c
index b85ca809e509..ffc83bebfe40 100644
--- a/net/batman-adv/soft-interface.c
+++ b/net/batman-adv/soft-interface.c
@@ -227,6 +227,8 @@ static netdev_tx_t batadv_interface_tx(struct sk_buff *skb,
 
         switch (ntohs(ethhdr->h_proto)) {
         case ETH_P_8021Q:
+                if (!pskb_may_pull(skb, sizeof(*vhdr)))
+                        goto dropped;
                 vhdr = vlan_eth_hdr(skb);
 
                 /* drop batman-in-batman packets to prevent loops */