diff options
Diffstat (limited to 'src/receive.c')
| -rw-r--r-- | src/receive.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/receive.c b/src/receive.c index 1b86489..db19527 100644 --- a/src/receive.c +++ b/src/receive.c @@ -273,7 +273,7 @@ void packet_receive(struct wireguard_device *wg, struct sk_buff *skb) static const u8 addr; #endif - if (skb_data_offset(skb, &offset, &len) < 0) + if (unlikely(skb_data_offset(skb, &offset, &len) < 0 || !len)) goto err; switch (message_determine_type(skb->data + offset, len)) { case MESSAGE_HANDSHAKE_INITIATION: |