diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c index 0db871edd3a1..f5d430bd372c 100644 --- a/net/packet/af_packet.c +++ b/net/packet/af_packet.c @@ -1999,7 +1999,7 @@ retry: goto retry; } - if (!dev_validate_header(dev, skb->data, len)) { + if (!dev_validate_header(dev, skb->data, len) || !skb->len) { err = -EINVAL; goto out_unlock; }