Hi Andrii, kernel test robot noticed the following build warnings: [auto build test WARNING on bpf-next/master] url: https://github.com/intel-lab-lkp/linux/commits/Andrii-Nakryiko/bpf-log-PTR_TO_MEM-memory-size-in-verifier-log/20231205-074451 base: https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master patch link: https://lore.kernel.org/r/20231204233931.49758-9-andrii%40kernel.org patch subject: [PATCH bpf-next 08/13] bpf: move subprog call logic back to verifier.c config: alpha-randconfig-r122-20231205 (https://download.01.org/0day-ci/archive/20231205/202312051638.g1zvtUmv-lkp@xxxxxxxxx/config) compiler: alpha-linux-gcc (GCC) 13.2.0 reproduce: (https://download.01.org/0day-ci/archive/20231205/202312051638.g1zvtUmv-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202312051638.g1zvtUmv-lkp@xxxxxxxxx/ sparse warnings: (new ones prefixed by >>) >> kernel/bpf/verifier.c:5083:5: sparse: sparse: symbol 'check_ptr_off_reg' was not declared. Should it be static? >> kernel/bpf/verifier.c:7268:5: sparse: sparse: symbol 'check_mem_reg' was not declared. Should it be static? >> kernel/bpf/verifier.c:8254:5: sparse: sparse: symbol 'check_func_arg_reg_off' was not declared. Should it be static? kernel/bpf/verifier.c:19770:38: sparse: sparse: subtraction of functions? Share your drugs kernel/bpf/verifier.c: note: in included file (through include/linux/bpf.h, include/linux/bpf-cgroup.h): include/linux/bpfptr.h:65:40: sparse: sparse: cast to non-scalar include/linux/bpfptr.h:65:40: sparse: sparse: cast from non-scalar include/linux/bpfptr.h:65:40: sparse: sparse: cast to non-scalar include/linux/bpfptr.h:65:40: sparse: sparse: cast from non-scalar include/linux/bpfptr.h:65:40: sparse: sparse: cast to non-scalar include/linux/bpfptr.h:65:40: sparse: sparse: cast from non-scalar include/linux/bpfptr.h:65:40: sparse: sparse: cast to non-scalar include/linux/bpfptr.h:65:40: sparse: sparse: cast from non-scalar vim +/check_ptr_off_reg +5083 kernel/bpf/verifier.c e9147b4422e1f3 Kumar Kartikeya Dwivedi 2022-04-15 5082 e9147b4422e1f3 Kumar Kartikeya Dwivedi 2022-04-15 @5083 int check_ptr_off_reg(struct bpf_verifier_env *env, e9147b4422e1f3 Kumar Kartikeya Dwivedi 2022-04-15 5084 const struct bpf_reg_state *reg, int regno) e9147b4422e1f3 Kumar Kartikeya Dwivedi 2022-04-15 5085 { e9147b4422e1f3 Kumar Kartikeya Dwivedi 2022-04-15 5086 return __check_ptr_off_reg(env, reg, regno, false); e9147b4422e1f3 Kumar Kartikeya Dwivedi 2022-04-15 5087 } e9147b4422e1f3 Kumar Kartikeya Dwivedi 2022-04-15 5088 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
