On Sat, Jul 28, 2018 at 10:04 PM, Daniel Borkmann wrote:
> The len > skb_headlen(skb) cannot be used as a maximum upper bound
> for the packet length since it does not have any relation to the full
> linear packet length when filtering is used from upper layers (e.g.
> in case of reuseport BPF pro
The len > skb_headlen(skb) cannot be used as a maximum upper bound
for the packet length since it does not have any relation to the full
linear packet length when filtering is used from upper layers (e.g.
in case of reuseport BPF programs) as by then skb->data, skb->len
already got mangled through
