tree: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-5.10.y head: e97bd1e03e6ef58ec47ee7f085f8c14ed6329cf7 commit: 183d9ebd449c20658a1aaf580f311140bbc7421d [4948/4972] selftests/bpf: Fix core_reloc test runner config: x86_64-rhel-8.3-kselftests (attached as .config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.3-348-gf0e6938b-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.gi... git remote add linux-stable-rc https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git git fetch --no-tags linux-stable-rc linux-5.10.y git checkout 183d9ebd449c20658a1aaf580f311140bbc7421d # save the attached .config to linux build tree make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=x86_64 SHELL=/bin/bash -C tools/testing/selftests/bpf install If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): /usr/bin/ld: tools/testing/selftests/bpf/core_reloc.test.o: in function `test_core_reloc': collect2: error: ld returned 1 exit status -- /usr/bin/ld: tools/testing/selftests/bpf/no_alu32/core_reloc.test.o: in function `test_core_reloc': collect2: error: ld returned 1 exit status vim +860 tools/testing/selftests/bpf/prog_tests/core_reloc.c 765 766 void test_core_reloc(void) 767 { 768 const size_t mmap_sz = roundup_page(sizeof(struct data)); 769 struct bpf_object_load_attr load_attr = {}; 770 struct core_reloc_test_case *test_case; 771 const char *tp_name, *probe_name; 772 int err, i, equal; 773 struct bpf_link *link = NULL; 774 struct bpf_map *data_map; 775 struct bpf_program *prog; 776 struct bpf_object *obj; 777 uint64_t my_pid_tgid; 778 struct data *data; 779 void *mmap_data = NULL; 780 781 my_pid_tgid = getpid() | ((uint64_t)syscall(SYS_gettid) << 32); 782 783 for (i = 0; i < ARRAY_SIZE(test_cases); i++) { 784 test_case = &test_cases[i]; 785 if (!test__start_subtest(test_case->case_name)) 786 continue; 787 788 if (test_case->setup) { 789 err = test_case->setup(test_case); 790 if (CHECK(err, "test_setup", "test #%d setup failed: %d\n", i, err)) 791 continue; 792 } 793 794 obj = bpf_object__open_file(test_case->bpf_obj_file, NULL); 795 if (CHECK(IS_ERR(obj), "obj_open", "failed to open '%s': %ld\n", 796 test_case->bpf_obj_file, PTR_ERR(obj))) 797 continue; 798 799 /* for typed raw tracepoints, NULL should be specified */ 800 if (test_case->direct_raw_tp) { 801 probe_name = "tp_btf/sys_enter"; 802 tp_name = NULL; 803 } else { 804 probe_name = "raw_tracepoint/sys_enter"; 805 tp_name = "sys_enter"; 806 } 807 808 prog = bpf_object__find_program_by_title(obj, probe_name); 809 if (CHECK(!prog, "find_probe", 810 "prog '%s' not found\n", probe_name)) 811 goto cleanup; 812 813 814 if (test_case->btf_src_file) { 815 err = access(test_case->btf_src_file, R_OK); 816 if (!ASSERT_OK(err, "btf_src_file")) 817 goto cleanup; 818 } 819 820 load_attr.obj = obj; 821 load_attr.log_level = 0; 822 load_attr.target_btf_path = test_case->btf_src_file; 823 err = bpf_object__load_xattr(&load_attr); 824 if (err) { 825 if (!test_case->fails) 826 ASSERT_OK(err, "obj_load"); 827 goto cleanup; 828 } 829 830 data_map = bpf_object__find_map_by_name(obj, "test_cor.bss"); 831 if (CHECK(!data_map, "find_data_map", "data map not found\n")) 832 goto cleanup; 833 834 mmap_data = mmap(NULL, mmap_sz, PROT_READ | PROT_WRITE, 835 MAP_SHARED, bpf_map__fd(data_map), 0); 836 if (CHECK(mmap_data == MAP_FAILED, "mmap", 837 ".bss mmap failed: %d", errno)) { 838 mmap_data = NULL; 839 goto cleanup; 840 } 841 data = mmap_data; 842 843 memset(mmap_data, 0, sizeof(*data)); 844 memcpy(data->in, test_case->input, test_case->input_len); 845 data->my_pid_tgid = my_pid_tgid; 846 847 link = bpf_program__attach_raw_tracepoint(prog, tp_name); 848 if (CHECK(IS_ERR(link), "attach_raw_tp", "err %ld\n", 849 PTR_ERR(link))) 850 goto cleanup; 851 852 /* trigger test run */ 853 usleep(1); 854 855 if (data->skip) { 856 test__skip(); 857 goto cleanup; 858 } 859 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org