tree: https://git.kernel.org/pub/scm/linux/kernel/git/kees/linux.git for-next/seccomp head: b29bb87cbb0aa6013ab4d5463c87d8f6d2498b1c commit: d3868eea5cbcd17b33d58c6c4b50b0b37c047bc6 [17/22] fs: Move __scm_install_fd() to __fd_install_received() config: nds32-allnoconfig (attached as .config) compiler: nds32le-linux-gcc (GCC) 9.3.0 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 git checkout d3868eea5cbcd17b33d58c6c4b50b0b37c047bc6 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=nds32 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): nds32le-linux-ld: fs/file.o: in function `.L21': file.c:(.text+0xf90): undefined reference to `sock_from_file' --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org