tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: f2528c29385819a84480cacef4886b049761e2c5 commit: 69fd337a975c7e690dfe49d9cb4fe5ba1e6db44e [5835/8914] bpf: per-cgroup lsm flavor config: arm64-randconfig-r013-20220708 (https://download.01.org/0day-ci/archive/20220710/202207100408.3Fsr7rOp-lkp@xxxxxxxxx/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 77a38f6839980bfac61babb40d83772c51427011) 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=69fd337a975c7e690dfe49d9cb4fe5ba1e6db44e 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 69fd337a975c7e690dfe49d9cb4fe5ba1e6db44e # 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=arm64 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: __cgroup_bpf_run_lsm_current >>> referenced by bpf_lsm.c:0 (kernel/bpf/bpf_lsm.c:0) >>> bpf/bpf_lsm.o:(bpf_lsm_find_cgroup_shim) in archive kernel/built-in.a >>> referenced by bpf_lsm.c:0 (kernel/bpf/bpf_lsm.c:0) >>> bpf/bpf_lsm.o:(bpf_lsm_find_cgroup_shim) in archive kernel/built-in.a >>> referenced by bpf_lsm.c:0 (kernel/bpf/bpf_lsm.c:0) >>> bpf/bpf_lsm.o:(bpf_lsm_find_cgroup_shim) in archive kernel/built-in.a >>> referenced 1 more times -- >> ld.lld: error: undefined symbol: __cgroup_bpf_run_lsm_socket >>> referenced by bpf_lsm.c:0 (kernel/bpf/bpf_lsm.c:0) >>> bpf/bpf_lsm.o:(bpf_lsm_find_cgroup_shim) in archive kernel/built-in.a >>> referenced by bpf_lsm.c:0 (kernel/bpf/bpf_lsm.c:0) >>> bpf/bpf_lsm.o:(bpf_lsm_find_cgroup_shim) in archive kernel/built-in.a -- >> ld.lld: error: undefined symbol: __cgroup_bpf_run_lsm_sock >>> referenced by bpf_lsm.c:65 (kernel/bpf/bpf_lsm.c:65) >>> bpf/bpf_lsm.o:(bpf_lsm_find_cgroup_shim) in archive kernel/built-in.a >>> referenced by bpf_lsm.c:65 (kernel/bpf/bpf_lsm.c:65) >>> bpf/bpf_lsm.o:(bpf_lsm_find_cgroup_shim) in archive kernel/built-in.a -- 0-DAY CI Kernel Test Service https://01.org/lkp