On Sat, Jul 9, 2022 at 1:07 PM kernel test robot <lkp@xxxxxxxxx> wrote: > > 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 More esoteric configurations: CONFIG_BPF_LSM=y # CONFIG_CGROUP_BPF is not set Will fix it sometime this week along with the other warning about unused 'args'.