Hi Shmulik, Thank you for the patch! Yet something to improve: [auto build test ERROR on bpf-next/master] url: https://github.com/intel-lab-lkp/linux/commits/Shmulik-Ladkani/bpf-Support-setting-variable-length-tunnel-options/20220911-164822 base: https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master config: hexagon-randconfig-r026-20220911 (https://download.01.org/0day-ci/archive/20220911/202209111856.i93jzyMu-lkp@xxxxxxxxx/config) compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project 1546df49f5a6d09df78f569e4137ddb365a3e827) 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/intel-lab-lkp/linux/commit/caa3b97e327a79cad590d53687cc0e9eb07ecd4b git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Shmulik-Ladkani/bpf-Support-setting-variable-length-tunnel-options/20220911-164822 git checkout caa3b97e327a79cad590d53687cc0e9eb07ecd4b # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): >> ld.lld: error: undefined symbol: bpf_dynptr_get_size >>> referenced by filter.c >>> core/filter.o:(bpf_skb_set_tunnel_opt_dynptr) in archive net/built-in.a >>> referenced by filter.c >>> core/filter.o:(bpf_skb_set_tunnel_opt_dynptr) in archive net/built-in.a -- 0-DAY CI Kernel Test Service https://01.org/lkp
