mm/kmsan/kmsan_test.c

4  * For each test case checks the presence (or absence) of generated reports.
13 #include <kunit/test.h>
51 		 * KMSAN report and related to the test.
64 /* Check if a report related to the test exists. */
70 /* Reset observed.available, so that the test can trigger another report. */
165 static void test_uninit_kmalloc(struct kunit *test)
170 	kunit_info(test, "uninitialized kmalloc test (UMR report)\n");
173 	KUNIT_EXPECT_TRUE(test, report_matches(&expect));
179 static void test_init_kmalloc(struct kunit *test)
184 	kunit_info(test, "initialized kmalloc test (no reports)\n");
188 	KUNIT_EXPECT_TRUE(test, report_matches(&expect));
192 static void test_init_kzalloc(struct kunit *test)
197 	kunit_info(test, "initialized kzalloc test (no reports)\n");
200 	KUNIT_EXPECT_TRUE(test, report_matches(&expect));
204 static void test_uninit_stack_var(struct kunit *test)
209 	kunit_info(test, "uninitialized stack variable (UMR report)\n");
211 	KUNIT_EXPECT_TRUE(test, report_matches(&expect));
215 static void test_init_stack_var(struct kunit *test)
220 	kunit_info(test, "initialized stack variable (no reports)\n");
222 	KUNIT_EXPECT_TRUE(test, report_matches(&expect));
246 static void test_params(struct kunit *test)
259 	kunit_info(test,
262 	KUNIT_EXPECT_TRUE(test, report_matches(&expect));
274 static void test_uninit_multiple_params(struct kunit *test)
280 	kunit_info(test, "uninitialized local passed to fn (UMR report)\n");
282 	KUNIT_EXPECT_TRUE(test, report_matches(&expect));
298 static void test_uninit_kmsan_check_memory(struct kunit *test)
304 		test,
309 	KUNIT_EXPECT_TRUE(test, report_matches(&expect));
316 static void test_init_kmsan_vmap_vunmap(struct kunit *test)
323 	kunit_info(test, "pages initialized via vmap (no reports)\n");
340 	KUNIT_EXPECT_TRUE(test, report_matches(&expect));
347 static void test_init_vmalloc(struct kunit *test)
353 	kunit_info(test, "vmalloc buffer can be initialized (no reports)\n");
361 	KUNIT_EXPECT_TRUE(test, report_matches(&expect));
365 static void test_uaf(struct kunit *test)
371 	kunit_info(test, "use-after-free in kmalloc-ed buffer (UMR report)\n");
378 	KUNIT_EXPECT_TRUE(test, report_matches(&expect));
385 static void test_percpu_propagate(struct kunit *test)
390 	kunit_info(test,
396 	KUNIT_EXPECT_TRUE(test, report_matches(&expect));
403 static void test_printk(struct kunit *test)
416 	kunit_info(test, "uninit local passed to pr_info() (UMR report)\n");
418 	KUNIT_EXPECT_TRUE(test, report_matches(&expect));
429 static void test_init_memcpy(struct kunit *test)
437 		test,
441 	KUNIT_EXPECT_TRUE(test, report_matches(&expect));
448 static void test_memcpy_aligned_to_aligned(struct kunit *test)
455 		test,
459 	KUNIT_EXPECT_TRUE(test, report_matches(&expect));
467  * aligned 4-byte values. This test case checks that KMSAN correctly reports an
470 static void test_memcpy_aligned_to_unaligned(struct kunit *test)
477 		test,
483 	KUNIT_EXPECT_TRUE(test, report_matches(&expect));
486 	KUNIT_EXPECT_TRUE(test, report_matches(&expect));
511 static void test_memcpy_initialized_gap(struct kunit *test)
518 		test,
532 	KUNIT_EXPECT_TRUE(test, report_matches(&expect));
535 	KUNIT_EXPECT_FALSE(test, report_matches(&expect));
538 	KUNIT_EXPECT_TRUE(test, report_matches(&expect));
541 /* Generate test cases for memset16(), memset32(), memset64(). */
543 	static void test_memset##size(struct kunit *test)                   \
548 		kunit_info(test,                                            \
552 		KUNIT_EXPECT_TRUE(test, report_matches(&expect));           \
567 static void test_long_origin_chain(struct kunit *test)
575 		test,
584 	KUNIT_EXPECT_TRUE(test, report_matches(&expect));
596 static void test_stackdepot_roundtrip(struct kunit *test)
603 	kunit_info(test, "testing stackdepot roundtrip (no reports)\n");
610 	KUNIT_EXPECT_TRUE(test, src_nentries == dst_nentries);
614 	KUNIT_EXPECT_TRUE(test, report_matches(&expect));
643 /* ===== End test cases ===== */
645 static int test_init(struct kunit *test)
658 static void test_exit(struct kunit *test)