diff --git a/net/core/filter.c b/net/core/filter.c index 6fd9173e18b7..ec4f7e68b21a 100644 --- a/net/core/filter.c +++ b/net/core/filter.c @@ -2078,6 +2078,10 @@ static int __bpf_redirect_no_mac(struct sk_buff *skb, struct net_device *dev, if (mlen) { __skb_pull(skb, mlen); + if (unlikely(!skb->len)) { + kfree_skb(skb); + return -ERANGE; + } /* At ingress, the mac header has already been pulled once. * At egress, skb_pospull_rcsum has to be done in case that