On Sun, Mar 15, 2020 at 10:15:02PM +0800, Haishuang Yan wrote: > Since nf_flow_snat_port and nf_flow_snat_ipv6 call pskb_may_pull() > which may change skb->data, so we need to reload ipv6h at the right > palce. Could you collapse patch 1/4 and 2/4 ? Same thing with patches 3/4 and 4/4 ? Thanks.