Hi Xin, Thank you for the patch! Yet something to improve: [auto build test ERROR on net-next/master] url: https://github.com/0day-ci/linux/commits/Xin-Long/sctp-Implement-RFC6951-UDP-Encapsulation-of-SCTP/20200929-215159 base: https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git 280095713ce244e8dbdfb059cdca695baa72230a config: x86_64-randconfig-a002-20200929 (attached as .config) compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project de55ebe3bbc77882901ae2b9654503b7611b28f3) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # install x86_64 cross compiling tool for clang build # apt-get install binutils-x86-64-linux-gnu # https://github.com/0day-ci/linux/commit/a1016fd4a55f176fcc2eae05052a61ad7d5a142b git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Xin-Long/sctp-Implement-RFC6951-UDP-Encapsulation-of-SCTP/20200929-215159 git checkout a1016fd4a55f176fcc2eae05052a61ad7d5a142b # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All errors (new ones prefixed by >>): >> net/sctp/protocol.c:894:11: error: no member named 'local_ip6' in 'struct udp_port_cfg'; did you mean 'local_ip'? udp_conf.local_ip6 = in6addr_any; ^~~~~~~~~ local_ip include/net/udp_tunnel.h:18:19: note: 'local_ip' declared here struct in_addr local_ip; ^ >> net/sctp/protocol.c:894:21: error: assigning to 'struct in_addr' from incompatible type 'const struct in6_addr' udp_conf.local_ip6 = in6addr_any; ^ ~~~~~~~~~~~ 2 errors generated. vim +894 net/sctp/protocol.c a330bee1c278f86 Xin Long 2020-09-29 870 140bb5309cf4095 Xin Long 2020-09-29 871 int sctp_udp_sock_start(struct net *net) 140bb5309cf4095 Xin Long 2020-09-29 872 { 140bb5309cf4095 Xin Long 2020-09-29 873 struct udp_tunnel_sock_cfg tuncfg = {NULL}; 140bb5309cf4095 Xin Long 2020-09-29 874 struct udp_port_cfg udp_conf = {0}; 140bb5309cf4095 Xin Long 2020-09-29 875 struct socket *sock; 140bb5309cf4095 Xin Long 2020-09-29 876 int err; 140bb5309cf4095 Xin Long 2020-09-29 877 140bb5309cf4095 Xin Long 2020-09-29 878 udp_conf.family = AF_INET; 140bb5309cf4095 Xin Long 2020-09-29 879 udp_conf.local_ip.s_addr = htonl(INADDR_ANY); 140bb5309cf4095 Xin Long 2020-09-29 880 udp_conf.local_udp_port = htons(net->sctp.udp_port); 140bb5309cf4095 Xin Long 2020-09-29 881 err = udp_sock_create(net, &udp_conf, &sock); 140bb5309cf4095 Xin Long 2020-09-29 882 if (err) 140bb5309cf4095 Xin Long 2020-09-29 883 return err; 140bb5309cf4095 Xin Long 2020-09-29 884 140bb5309cf4095 Xin Long 2020-09-29 885 tuncfg.encap_type = 1; 140bb5309cf4095 Xin Long 2020-09-29 886 tuncfg.encap_rcv = sctp_udp_rcv; a330bee1c278f86 Xin Long 2020-09-29 887 tuncfg.encap_err_lookup = sctp_udp_err_lookup; 140bb5309cf4095 Xin Long 2020-09-29 888 setup_udp_tunnel_sock(net, sock, &tuncfg); 140bb5309cf4095 Xin Long 2020-09-29 889 net->sctp.udp4_sock = sock->sk; 140bb5309cf4095 Xin Long 2020-09-29 890 cff8956126170d6 Xin Long 2020-09-29 891 memset(&udp_conf, 0, sizeof(udp_conf)); cff8956126170d6 Xin Long 2020-09-29 892 cff8956126170d6 Xin Long 2020-09-29 893 udp_conf.family = AF_INET6; cff8956126170d6 Xin Long 2020-09-29 @894 udp_conf.local_ip6 = in6addr_any; cff8956126170d6 Xin Long 2020-09-29 895 udp_conf.local_udp_port = htons(net->sctp.udp_port); cff8956126170d6 Xin Long 2020-09-29 896 udp_conf.use_udp6_rx_checksums = true; cff8956126170d6 Xin Long 2020-09-29 897 udp_conf.ipv6_v6only = true; cff8956126170d6 Xin Long 2020-09-29 898 err = udp_sock_create(net, &udp_conf, &sock); cff8956126170d6 Xin Long 2020-09-29 899 if (err) { cff8956126170d6 Xin Long 2020-09-29 900 udp_tunnel_sock_release(net->sctp.udp4_sock->sk_socket); cff8956126170d6 Xin Long 2020-09-29 901 net->sctp.udp4_sock = NULL; cff8956126170d6 Xin Long 2020-09-29 902 return err; cff8956126170d6 Xin Long 2020-09-29 903 } cff8956126170d6 Xin Long 2020-09-29 904 cff8956126170d6 Xin Long 2020-09-29 905 tuncfg.encap_type = 1; cff8956126170d6 Xin Long 2020-09-29 906 tuncfg.encap_rcv = sctp_udp_rcv; a330bee1c278f86 Xin Long 2020-09-29 907 tuncfg.encap_err_lookup = sctp_udp_err_lookup; cff8956126170d6 Xin Long 2020-09-29 908 setup_udp_tunnel_sock(net, sock, &tuncfg); cff8956126170d6 Xin Long 2020-09-29 909 net->sctp.udp6_sock = sock->sk; cff8956126170d6 Xin Long 2020-09-29 910 140bb5309cf4095 Xin Long 2020-09-29 911 return 0; 140bb5309cf4095 Xin Long 2020-09-29 912 } 140bb5309cf4095 Xin Long 2020-09-29 913 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org