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: x86_64-defconfig (https://download.01.org/0day-ci/archive/20220911/202209111828.Bns8KP2S-lkp@xxxxxxxxx/config) compiler: gcc-11 (Debian 11.3.0-5) 11.3.0 reproduce (this is a W=1 build): # 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 make W=1 O=build_dir ARCH=x86_64 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: net/core/filter.o: in function `bpf_skb_set_tunnel_opt_dynptr': >> filter.c:(.text+0xdedc): undefined reference to `bpf_dynptr_get_size' -- 0-DAY CI Kernel Test Service https://01.org/lkp
