tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   15ac8fdb74403772780be1a8c4f7c1eff1040fc4
commit: 4f19cab76136e800a3f04d8c9aa4d8e770e3d3d8 [10583/11438] bpf: Add a bpf_sock_from_file helper
config: arm64-randconfig-r033-20201207 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project a2f922140f5380571fb74179f2bf622b3b925697)
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 arm64 cross compiling tool for clang build
        # apt-get install binutils-aarch64-linux-gnu
        # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=4f19cab76136e800a3f04d8c9aa4d8e770e3d3d8
        git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
        git fetch --no-tags linux-next master
        git checkout 4f19cab76136e800a3f04d8c9aa4d8e770e3d3d8
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm64 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

   aarch64-linux-gnu-ld: warning: -z norelro ignored
   aarch64-linux-gnu-ld: Unexpected GOT/PLT entries detected!
   aarch64-linux-gnu-ld: Unexpected run-time procedure linkages detected!
   aarch64-linux-gnu-ld: kernel/trace/bpf_trace.o: in function `bpf_sock_from_file':
>> bpf_trace.c:(.text+0x229c): 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