--- zzzz-none-000/linux-4.4.60/net/netfilter/nf_conntrack_h323_main.c	2017-04-08 07:53:53.000000000 +0000
+++ hawkeye-5590-729/linux-4.4.60/net/netfilter/nf_conntrack_h323_main.c	2022-03-30 14:21:53.000000000 +0000
@@ -1225,6 +1225,7 @@
 	{
 		.name			= "Q.931",
 		.me			= THIS_MODULE,
+		.data_len		= sizeof(struct nf_ct_h323_master),
 		.tuple.src.l3num	= AF_INET6,
 		.tuple.src.u.tcp.port	= cpu_to_be16(Q931_PORT),
 		.tuple.dst.protonum	= IPPROTO_TCP,