Hi John, kernel test robot noticed the following build errors: [auto build test ERROR on bpf/master] url: https://github.com/intel-lab-lkp/linux/commits/John-Fastabend/bpf-sockmap-pass-skb-ownership-through-read_skb/20230406-061159 base: https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf.git master patch link: https://lore.kernel.org/r/20230405220904.153149-8-john.fastabend%40gmail.com patch subject: [PATCH bpf v4 07/12] bpf: sockmap incorrectly handling copied_seq config: hexagon-randconfig-r045-20230403 (https://download.01.org/0day-ci/archive/20230406/202304060904.QIeejeZ5-lkp@xxxxxxxxx/config) compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project 67409911353323ca5edf2049ef0df54132fa1ca7) 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/dc5529fda29b6c2077f7da535a3f902a4dc3dfa9 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review John-Fastabend/bpf-sockmap-pass-skb-ownership-through-read_skb/20230406-061159 git checkout dc5529fda29b6c2077f7da535a3f902a4dc3dfa9 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon olddefconfig COMPILER_INSTALL_PATH=$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> | Link: https://lore.kernel.org/oe-kbuild-all/202304060904.QIeejeZ5-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): >> ld.lld: error: undefined symbol: tcp_eat_skb >>> referenced by skmsg.c:1062 (net/core/skmsg.c:1062) >>> net/core/skmsg.o:(sk_psock_verdict_recv) in archive vmlinux.a >>> referenced by skmsg.c:1062 (net/core/skmsg.c:1062) >>> net/core/skmsg.o:(sk_psock_verdict_recv) in archive vmlinux.a >>> referenced by skmsg.c:1056 (net/core/skmsg.c:1056) >>> net/core/skmsg.o:(sk_psock_verdict_recv) in archive vmlinux.a >>> referenced 3 more times -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests
