1 // SPDX-License-Identifier: GPL-2.0-only 2 3 #include <test_progs.h> 4 5 #include "cap_helpers.h" 6 #include "verifier_and.skel.h" 7 #include "verifier_array_access.skel.h" 8 #include "verifier_basic_stack.skel.h" 9 #include "verifier_bounds.skel.h" 10 #include "verifier_bounds_deduction.skel.h" 11 #include "verifier_bounds_deduction_non_const.skel.h" 12 #include "verifier_bounds_mix_sign_unsign.skel.h" 13 #include "verifier_bpf_get_stack.skel.h" 14 #include "verifier_bswap.skel.h" 15 #include "verifier_btf_ctx_access.skel.h" 16 #include "verifier_cfg.skel.h" 17 #include "verifier_cgroup_inv_retcode.skel.h" 18 #include "verifier_cgroup_skb.skel.h" 19 #include "verifier_cgroup_storage.skel.h" 20 #include "verifier_const_or.skel.h" 21 #include "verifier_ctx.skel.h" 22 #include "verifier_ctx_sk_msg.skel.h" 23 #include "verifier_d_path.skel.h" 24 #include "verifier_direct_packet_access.skel.h" 25 #include "verifier_direct_stack_access_wraparound.skel.h" 26 #include "verifier_div0.skel.h" 27 #include "verifier_div_overflow.skel.h" 28 #include "verifier_gotol.skel.h" 29 #include "verifier_helper_access_var_len.skel.h" 30 #include "verifier_helper_packet_access.skel.h" 31 #include "verifier_helper_restricted.skel.h" 32 #include "verifier_helper_value_access.skel.h" 33 #include "verifier_int_ptr.skel.h" 34 #include "verifier_iterating_callbacks.skel.h" 35 #include "verifier_jeq_infer_not_null.skel.h" 36 #include "verifier_ld_ind.skel.h" 37 #include "verifier_ldsx.skel.h" 38 #include "verifier_leak_ptr.skel.h" 39 #include "verifier_loops1.skel.h" 40 #include "verifier_lwt.skel.h" 41 #include "verifier_map_in_map.skel.h" 42 #include "verifier_map_ptr.skel.h" 43 #include "verifier_map_ptr_mixing.skel.h" 44 #include "verifier_map_ret_val.skel.h" 45 #include "verifier_masking.skel.h" 46 #include "verifier_meta_access.skel.h" 47 #include "verifier_movsx.skel.h" 48 #include "verifier_netfilter_ctx.skel.h" 49 #include "verifier_netfilter_retcode.skel.h" 50 #include "verifier_precision.skel.h" 51 #include "verifier_prevent_map_lookup.skel.h" 52 #include "verifier_raw_stack.skel.h" 53 #include "verifier_raw_tp_writable.skel.h" 54 #include "verifier_reg_equal.skel.h" 55 #include "verifier_ref_tracking.skel.h" 56 #include "verifier_regalloc.skel.h" 57 #include "verifier_ringbuf.skel.h" 58 #include "verifier_runtime_jit.skel.h" 59 #include "verifier_scalar_ids.skel.h" 60 #include "verifier_sdiv.skel.h" 61 #include "verifier_search_pruning.skel.h" 62 #include "verifier_sock.skel.h" 63 #include "verifier_spill_fill.skel.h" 64 #include "verifier_spin_lock.skel.h" 65 #include "verifier_stack_ptr.skel.h" 66 #include "verifier_subprog_precision.skel.h" 67 #include "verifier_subreg.skel.h" 68 #include "verifier_typedef.skel.h" 69 #include "verifier_uninit.skel.h" 70 #include "verifier_unpriv.skel.h" 71 #include "verifier_unpriv_perf.skel.h" 72 #include "verifier_value_adj_spill.skel.h" 73 #include "verifier_value.skel.h" 74 #include "verifier_value_illegal_alu.skel.h" 75 #include "verifier_value_or_null.skel.h" 76 #include "verifier_value_ptr_arith.skel.h" 77 #include "verifier_var_off.skel.h" 78 #include "verifier_xadd.skel.h" 79 #include "verifier_xdp.skel.h" 80 #include "verifier_xdp_direct_packet_access.skel.h" 81 82 #define MAX_ENTRIES 11 83 84 struct test_val { 85 unsigned int index; 86 int foo[MAX_ENTRIES]; 87 }; 88 89 __maybe_unused 90 static void run_tests_aux(const char *skel_name, 91 skel_elf_bytes_fn elf_bytes_factory, 92 pre_execution_cb pre_execution_cb) 93 { 94 struct test_loader tester = {}; 95 __u64 old_caps; 96 int err; 97 98 /* test_verifier tests are executed w/o CAP_SYS_ADMIN, do the same here */ 99 err = cap_disable_effective(1ULL << CAP_SYS_ADMIN, &old_caps); 100 if (err) { 101 PRINT_FAIL("failed to drop CAP_SYS_ADMIN: %i, %s\n", err, strerror(err)); 102 return; 103 } 104 105 test_loader__set_pre_execution_cb(&tester, pre_execution_cb); 106 test_loader__run_subtests(&tester, skel_name, elf_bytes_factory); 107 test_loader_fini(&tester); 108 109 err = cap_enable_effective(old_caps, NULL); 110 if (err) 111 PRINT_FAIL("failed to restore CAP_SYS_ADMIN: %i, %s\n", err, strerror(err)); 112 } 113 114 #define RUN(skel) run_tests_aux(#skel, skel##__elf_bytes, NULL) 115 116 void test_verifier_and(void) { RUN(verifier_and); } 117 void test_verifier_basic_stack(void) { RUN(verifier_basic_stack); } 118 void test_verifier_bounds(void) { RUN(verifier_bounds); } 119 void test_verifier_bounds_deduction(void) { RUN(verifier_bounds_deduction); } 120 void test_verifier_bounds_deduction_non_const(void) { RUN(verifier_bounds_deduction_non_const); } 121 void test_verifier_bounds_mix_sign_unsign(void) { RUN(verifier_bounds_mix_sign_unsign); } 122 void test_verifier_bpf_get_stack(void) { RUN(verifier_bpf_get_stack); } 123 void test_verifier_bswap(void) { RUN(verifier_bswap); } 124 void test_verifier_btf_ctx_access(void) { RUN(verifier_btf_ctx_access); } 125 void test_verifier_cfg(void) { RUN(verifier_cfg); } 126 void test_verifier_cgroup_inv_retcode(void) { RUN(verifier_cgroup_inv_retcode); } 127 void test_verifier_cgroup_skb(void) { RUN(verifier_cgroup_skb); } 128 void test_verifier_cgroup_storage(void) { RUN(verifier_cgroup_storage); } 129 void test_verifier_const_or(void) { RUN(verifier_const_or); } 130 void test_verifier_ctx(void) { RUN(verifier_ctx); } 131 void test_verifier_ctx_sk_msg(void) { RUN(verifier_ctx_sk_msg); } 132 void test_verifier_d_path(void) { RUN(verifier_d_path); } 133 void test_verifier_direct_packet_access(void) { RUN(verifier_direct_packet_access); } 134 void test_verifier_direct_stack_access_wraparound(void) { RUN(verifier_direct_stack_access_wraparound); } 135 void test_verifier_div0(void) { RUN(verifier_div0); } 136 void test_verifier_div_overflow(void) { RUN(verifier_div_overflow); } 137 void test_verifier_gotol(void) { RUN(verifier_gotol); } 138 void test_verifier_helper_access_var_len(void) { RUN(verifier_helper_access_var_len); } 139 void test_verifier_helper_packet_access(void) { RUN(verifier_helper_packet_access); } 140 void test_verifier_helper_restricted(void) { RUN(verifier_helper_restricted); } 141 void test_verifier_helper_value_access(void) { RUN(verifier_helper_value_access); } 142 void test_verifier_int_ptr(void) { RUN(verifier_int_ptr); } 143 void test_verifier_iterating_callbacks(void) { RUN(verifier_iterating_callbacks); } 144 void test_verifier_jeq_infer_not_null(void) { RUN(verifier_jeq_infer_not_null); } 145 void test_verifier_ld_ind(void) { RUN(verifier_ld_ind); } 146 void test_verifier_ldsx(void) { RUN(verifier_ldsx); } 147 void test_verifier_leak_ptr(void) { RUN(verifier_leak_ptr); } 148 void test_verifier_loops1(void) { RUN(verifier_loops1); } 149 void test_verifier_lwt(void) { RUN(verifier_lwt); } 150 void test_verifier_map_in_map(void) { RUN(verifier_map_in_map); } 151 void test_verifier_map_ptr(void) { RUN(verifier_map_ptr); } 152 void test_verifier_map_ptr_mixing(void) { RUN(verifier_map_ptr_mixing); } 153 void test_verifier_map_ret_val(void) { RUN(verifier_map_ret_val); } 154 void test_verifier_masking(void) { RUN(verifier_masking); } 155 void test_verifier_meta_access(void) { RUN(verifier_meta_access); } 156 void test_verifier_movsx(void) { RUN(verifier_movsx); } 157 void test_verifier_netfilter_ctx(void) { RUN(verifier_netfilter_ctx); } 158 void test_verifier_netfilter_retcode(void) { RUN(verifier_netfilter_retcode); } 159 void test_verifier_precision(void) { RUN(verifier_precision); } 160 void test_verifier_prevent_map_lookup(void) { RUN(verifier_prevent_map_lookup); } 161 void test_verifier_raw_stack(void) { RUN(verifier_raw_stack); } 162 void test_verifier_raw_tp_writable(void) { RUN(verifier_raw_tp_writable); } 163 void test_verifier_reg_equal(void) { RUN(verifier_reg_equal); } 164 void test_verifier_ref_tracking(void) { RUN(verifier_ref_tracking); } 165 void test_verifier_regalloc(void) { RUN(verifier_regalloc); } 166 void test_verifier_ringbuf(void) { RUN(verifier_ringbuf); } 167 void test_verifier_runtime_jit(void) { RUN(verifier_runtime_jit); } 168 void test_verifier_scalar_ids(void) { RUN(verifier_scalar_ids); } 169 void test_verifier_sdiv(void) { RUN(verifier_sdiv); } 170 void test_verifier_search_pruning(void) { RUN(verifier_search_pruning); } 171 void test_verifier_sock(void) { RUN(verifier_sock); } 172 void test_verifier_spill_fill(void) { RUN(verifier_spill_fill); } 173 void test_verifier_spin_lock(void) { RUN(verifier_spin_lock); } 174 void test_verifier_stack_ptr(void) { RUN(verifier_stack_ptr); } 175 void test_verifier_subprog_precision(void) { RUN(verifier_subprog_precision); } 176 void test_verifier_subreg(void) { RUN(verifier_subreg); } 177 void test_verifier_typedef(void) { RUN(verifier_typedef); } 178 void test_verifier_uninit(void) { RUN(verifier_uninit); } 179 void test_verifier_unpriv(void) { RUN(verifier_unpriv); } 180 void test_verifier_unpriv_perf(void) { RUN(verifier_unpriv_perf); } 181 void test_verifier_value_adj_spill(void) { RUN(verifier_value_adj_spill); } 182 void test_verifier_value(void) { RUN(verifier_value); } 183 void test_verifier_value_illegal_alu(void) { RUN(verifier_value_illegal_alu); } 184 void test_verifier_value_or_null(void) { RUN(verifier_value_or_null); } 185 void test_verifier_var_off(void) { RUN(verifier_var_off); } 186 void test_verifier_xadd(void) { RUN(verifier_xadd); } 187 void test_verifier_xdp(void) { RUN(verifier_xdp); } 188 void test_verifier_xdp_direct_packet_access(void) { RUN(verifier_xdp_direct_packet_access); } 189 190 static int init_test_val_map(struct bpf_object *obj, char *map_name) 191 { 192 struct test_val value = { 193 .index = (6 + 1) * sizeof(int), 194 .foo[6] = 0xabcdef12, 195 }; 196 struct bpf_map *map; 197 int err, key = 0; 198 199 map = bpf_object__find_map_by_name(obj, map_name); 200 if (!map) { 201 PRINT_FAIL("Can't find map '%s'\n", map_name); 202 return -EINVAL; 203 } 204 205 err = bpf_map_update_elem(bpf_map__fd(map), &key, &value, 0); 206 if (err) { 207 PRINT_FAIL("Error while updating map '%s': %d\n", map_name, err); 208 return err; 209 } 210 211 return 0; 212 } 213 214 static int init_array_access_maps(struct bpf_object *obj) 215 { 216 return init_test_val_map(obj, "map_array_ro"); 217 } 218 219 void test_verifier_array_access(void) 220 { 221 run_tests_aux("verifier_array_access", 222 verifier_array_access__elf_bytes, 223 init_array_access_maps); 224 } 225 226 static int init_value_ptr_arith_maps(struct bpf_object *obj) 227 { 228 return init_test_val_map(obj, "map_array_48b"); 229 } 230 231 void test_verifier_value_ptr_arith(void) 232 { 233 run_tests_aux("verifier_value_ptr_arith", 234 verifier_value_ptr_arith__elf_bytes, 235 init_value_ptr_arith_maps); 236 } 237