Hi Lorenz, kernel test robot noticed the following build errors: [auto build test ERROR on 25085b4e9251c77758964a8e8651338972353642] url: https://github.com/intel-lab-lkp/linux/commits/Lorenz-Bauer/net-export-inet_lookup_reuseport-and-inet6_lookup_reuseport/20230613-181619 base: 25085b4e9251c77758964a8e8651338972353642 patch link: https://lore.kernel.org/r/20230613-so-reuseport-v2-4-b7c69a342613%40isovalent.com patch subject: [PATCH bpf-next v2 4/6] net: remove duplicate sk_lookup helpers config: hexagon-randconfig-r041-20230612 (https://download.01.org/0day-ci/archive/20230614/202306140351.Y1JjOIxo-lkp@xxxxxxxxx/config) compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project.git 4a5ac14ee968ff0ad5d2cc1ffa0299048db4c88a) reproduce (this is a W=1 build): mkdir -p ~/bin wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout 25085b4e9251c77758964a8e8651338972353642 b4 shazam https://lore.kernel.org/r/20230613-so-reuseport-v2-4-b7c69a342613@xxxxxxxxxxxxx # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang ~/bin/make.cross W=1 O=build_dir ARCH=hexagon olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang ~/bin/make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202306140351.Y1JjOIxo-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>, old ones prefixed by <<): >> ERROR: modpost: "inet6_lookup_run_sk_lookup" [net/ipv6/ipv6.ko] undefined! -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki