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[v2,bpf-next,5/5] selftests/bpf: fix core_reloc test runner

Message ID 20210426192949.416837-6-andrii@kernel.org
State New
Headers show
Series CO-RE relocation selftests fixes | expand

Commit Message

Andrii Nakryiko April 26, 2021, 7:29 p.m. UTC 
Fix failed tests checks in core_reloc test runner, which allowed failing tests
to pass quietly. Also add extra check to make sure that expected to fail test cases with
invalid names are caught as test failure anyway, as this is not an expected
failure mode. Also fix mislabeled probed vs direct bitfield test cases.

Acked-by: Lorenz Bauer <lmb@cloudflare.com>
Fixes: 124a892d1c41 ("selftests/bpf: Test TYPE_EXISTS and TYPE_SIZE CO-RE relocations")
Reported-by: Lorenz Bauer <lmb@cloudflare.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
---
 .../selftests/bpf/prog_tests/core_reloc.c     | 20 +++++++++++--------
 1 file changed, 12 insertions(+), 8 deletions(-)
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Patch

diff --git a/tools/testing/selftests/bpf/prog_tests/core_reloc.c b/tools/testing/selftests/bpf/prog_tests/core_reloc.c
index 385fd7696a2e..607710826dca 100644
--- a/tools/testing/selftests/bpf/prog_tests/core_reloc.c
+++ b/tools/testing/selftests/bpf/prog_tests/core_reloc.c
@@ -217,7 +217,7 @@  static int duration = 0;
 
 #define BITFIELDS_CASE(name, ...) {					\
 	BITFIELDS_CASE_COMMON("test_core_reloc_bitfields_probed.o",	\
-			      "direct:", name),				\
+			      "probed:", name),				\
 	.input = STRUCT_TO_CHAR_PTR(core_reloc_##name) __VA_ARGS__,	\
 	.input_len = sizeof(struct core_reloc_##name),			\
 	.output = STRUCT_TO_CHAR_PTR(core_reloc_bitfields_output)	\
@@ -225,7 +225,7 @@  static int duration = 0;
 	.output_len = sizeof(struct core_reloc_bitfields_output),	\
 }, {									\
 	BITFIELDS_CASE_COMMON("test_core_reloc_bitfields_direct.o",	\
-			      "probed:", name),				\
+			      "direct:", name),				\
 	.input = STRUCT_TO_CHAR_PTR(core_reloc_##name) __VA_ARGS__,	\
 	.input_len = sizeof(struct core_reloc_##name),			\
 	.output = STRUCT_TO_CHAR_PTR(core_reloc_bitfields_output)	\
@@ -546,8 +546,7 @@  static struct core_reloc_test_case test_cases[] = {
 	ARRAYS_ERR_CASE(arrays___err_too_small),
 	ARRAYS_ERR_CASE(arrays___err_too_shallow),
 	ARRAYS_ERR_CASE(arrays___err_non_array),
-	ARRAYS_ERR_CASE(arrays___err_wrong_val_type1),
-	ARRAYS_ERR_CASE(arrays___err_wrong_val_type2),
+	ARRAYS_ERR_CASE(arrays___err_wrong_val_type),
 	ARRAYS_ERR_CASE(arrays___err_bad_zero_sz_arr),
 
 	/* enum/ptr/int handling scenarios */
@@ -865,13 +864,20 @@  void test_core_reloc(void)
 			  "prog '%s' not found\n", probe_name))
 			goto cleanup;
 
+
+		if (test_case->btf_src_file) {
+			err = access(test_case->btf_src_file, R_OK);
+			if (!ASSERT_OK(err, "btf_src_file"))
+				goto cleanup;
+		}
+
 		load_attr.obj = obj;
 		load_attr.log_level = 0;
 		load_attr.target_btf_path = test_case->btf_src_file;
 		err = bpf_object__load_xattr(&load_attr);
 		if (err) {
 			if (!test_case->fails)
-				CHECK(false, "obj_load", "failed to load prog '%s': %d\n", probe_name, err);
+				ASSERT_OK(err, "obj_load");
 			goto cleanup;
 		}
 
@@ -910,10 +916,8 @@  void test_core_reloc(void)
 			goto cleanup;
 		}
 
-		if (test_case->fails) {
-			CHECK(false, "obj_load_fail", "should fail to load prog '%s'\n", probe_name);
+		if (!ASSERT_FALSE(test_case->fails, "obj_load_should_fail"))
 			goto cleanup;
-		}
 
 		equal = memcmp(data->out, test_case->output,
 			       test_case->output_len) == 0;