tree: https://github.com/multipath-tcp/mptcp_net-next.git export head: 1ea48596242aecb9d4c5e5f9a5cb0789ee5a7435 commit: 0489b1d382f12fee5229ace90765e03c913c7212 [1590/1600] mptcp: add MPTCP_SUBFLOW_ADDRS getsockopt support config: x86_64-buildonly-randconfig-r006-20210829 (attached as .config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 510e106fa8635e7f9c51c896180b971de6309b2f) 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 # https://github.com/multipath-tcp/mptcp_net-next/commit/0489b1d382f12fee5229ace90765e03c913c7212 git remote add mptcp https://github.com/multipath-tcp/mptcp_net-next.git git fetch --no-tags mptcp export git checkout 0489b1d382f12fee5229ace90765e03c913c7212 # save the attached .config to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross O=build_dir ARCH=x86_64 SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All errors (new ones prefixed by >>): In file included from :1: >> ./usr/include/linux/mptcp.h:207:19: error: field has incomplete type 'struct sockaddr' struct sockaddr sa_local; ^ ./usr/include/linux/mptcp.h:207:10: note: forward declaration of 'struct sockaddr' struct sockaddr sa_local; ^ >> ./usr/include/linux/mptcp.h:209:23: error: field has incomplete type 'struct sockaddr_in6' struct sockaddr_in6 sin6_local; ^ ./usr/include/linux/mptcp.h:209:10: note: forward declaration of 'struct sockaddr_in6' struct sockaddr_in6 sin6_local; ^ >> ./usr/include/linux/mptcp.h:210:27: error: field has incomplete type 'struct sockaddr_storage' struct sockaddr_storage ss_local; ^ ./usr/include/linux/mptcp.h:210:10: note: forward declaration of 'struct sockaddr_storage' struct sockaddr_storage ss_local; ^ ./usr/include/linux/mptcp.h:213:19: error: field has incomplete type 'struct sockaddr' struct sockaddr sa_remote; ^ ./usr/include/linux/mptcp.h:207:10: note: forward declaration of 'struct sockaddr' struct sockaddr sa_local; ^ ./usr/include/linux/mptcp.h:215:23: error: field has incomplete type 'struct sockaddr_in6' struct sockaddr_in6 sin6_remote; ^ ./usr/include/linux/mptcp.h:209:10: note: forward declaration of 'struct sockaddr_in6' struct sockaddr_in6 sin6_local; ^ ./usr/include/linux/mptcp.h:216:27: error: field has incomplete type 'struct sockaddr_storage' struct sockaddr_storage ss_remote; ^ ./usr/include/linux/mptcp.h:210:10: note: forward declaration of 'struct sockaddr_storage' struct sockaddr_storage ss_local; ^ 6 errors generated. --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org