25 #include <kunit/test.h>
46  * test, see the comment for KUNIT_EXPECT_KASAN_FAIL().
48 static int kasan_test_init(struct kunit *test)  in kasan_test_init()  argument
51 		kunit_err(test, "can't run KASAN tests with KASAN disabled");  in kasan_test_init()
60 static void kasan_test_exit(struct kunit *test)  in kasan_test_exit()  argument
68  * KASAN report; causes a test failure otherwise. This relies on a KUnit
73  * checking is auto-disabled. When this happens, this test handler reenables
82 #define KUNIT_EXPECT_KASAN_FAIL(test, expression) do {		\  argument
88 	kunit_add_named_resource(test,				\
99 	KUNIT_EXPECT_EQ(test,					\
110 #define KASAN_TEST_NEEDS_CONFIG_ON(test, config) do {			\  argument
112 		kunit_info((test), "skipping, " #config " required");	\
117 #define KASAN_TEST_NEEDS_CONFIG_OFF(test, config) do {			\  argument
119 		kunit_info((test), "skipping, " #config " enabled");	\
124 static void kmalloc_oob_right(struct kunit *test)  in kmalloc_oob_right()  argument
130 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr);  in kmalloc_oob_right()
132 	KUNIT_EXPECT_KASAN_FAIL(test, ptr[size + OOB_TAG_OFF] = 'x');  in kmalloc_oob_right()
136 static void kmalloc_oob_left(struct kunit *test)  in kmalloc_oob_left()  argument
142 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr);  in kmalloc_oob_left()
144 	KUNIT_EXPECT_KASAN_FAIL(test, *ptr = *(ptr - 1));  in kmalloc_oob_left()
148 static void kmalloc_node_oob_right(struct kunit *test)  in kmalloc_node_oob_right()  argument
154 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr);  in kmalloc_node_oob_right()
156 	KUNIT_EXPECT_KASAN_FAIL(test, ptr[size] = 0);  in kmalloc_node_oob_right()
166 static void kmalloc_pagealloc_oob_right(struct kunit *test)  in kmalloc_pagealloc_oob_right()  argument
171 	KASAN_TEST_NEEDS_CONFIG_ON(test, CONFIG_SLUB);  in kmalloc_pagealloc_oob_right()
174 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr);  in kmalloc_pagealloc_oob_right()
176 	KUNIT_EXPECT_KASAN_FAIL(test, ptr[size + OOB_TAG_OFF] = 0);  in kmalloc_pagealloc_oob_right()
181 static void kmalloc_pagealloc_uaf(struct kunit *test)  in kmalloc_pagealloc_uaf()  argument
186 	KASAN_TEST_NEEDS_CONFIG_ON(test, CONFIG_SLUB);  in kmalloc_pagealloc_uaf()
189 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr);  in kmalloc_pagealloc_uaf()
192 	KUNIT_EXPECT_KASAN_FAIL(test, ptr[0] = 0);  in kmalloc_pagealloc_uaf()
195 static void kmalloc_pagealloc_invalid_free(struct kunit *test)  in kmalloc_pagealloc_invalid_free()  argument
200 	KASAN_TEST_NEEDS_CONFIG_ON(test, CONFIG_SLUB);  in kmalloc_pagealloc_invalid_free()
203 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr);  in kmalloc_pagealloc_invalid_free()
205 	KUNIT_EXPECT_KASAN_FAIL(test, kfree(ptr + 1));  in kmalloc_pagealloc_invalid_free()
208 static void pagealloc_oob_right(struct kunit *test)  in pagealloc_oob_right()  argument
220 	KASAN_TEST_NEEDS_CONFIG_OFF(test, CONFIG_KASAN_GENERIC);  in pagealloc_oob_right()
224 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr);  in pagealloc_oob_right()
226 	KUNIT_EXPECT_KASAN_FAIL(test, ptr[size] = 0);  in pagealloc_oob_right()
230 static void pagealloc_uaf(struct kunit *test)  in pagealloc_uaf()  argument
238 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr);  in pagealloc_uaf()
241 	KUNIT_EXPECT_KASAN_FAIL(test, ptr[0] = 0);  in pagealloc_uaf()
244 static void kmalloc_large_oob_right(struct kunit *test)  in kmalloc_large_oob_right()  argument
254 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr);  in kmalloc_large_oob_right()
256 	KUNIT_EXPECT_KASAN_FAIL(test, ptr[size] = 0);  in kmalloc_large_oob_right()
260 static void krealloc_more_oob_helper(struct kunit *test,  in krealloc_more_oob_helper()  argument
266 	KUNIT_ASSERT_LT(test, size1, size2);  in krealloc_more_oob_helper()
270 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr1);  in krealloc_more_oob_helper()
273 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr2);  in krealloc_more_oob_helper()
283 		KUNIT_EXPECT_KASAN_FAIL(test, ptr2[size2] = 'x');  in krealloc_more_oob_helper()
286 	KUNIT_EXPECT_KASAN_FAIL(test,  in krealloc_more_oob_helper()
292 static void krealloc_less_oob_helper(struct kunit *test,  in krealloc_less_oob_helper()  argument
298 	KUNIT_ASSERT_LT(test, size2, size1);  in krealloc_less_oob_helper()
302 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr1);  in krealloc_less_oob_helper()
305 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr2);  in krealloc_less_oob_helper()
312 		KUNIT_EXPECT_KASAN_FAIL(test, ptr2[size2] = 'x');  in krealloc_less_oob_helper()
315 	KUNIT_EXPECT_KASAN_FAIL(test,  in krealloc_less_oob_helper()
322 	KUNIT_EXPECT_LE(test, round_up(size2, KASAN_GRANULE_SIZE),  in krealloc_less_oob_helper()
324 	KUNIT_EXPECT_LE(test, round_up(middle, KASAN_GRANULE_SIZE),  in krealloc_less_oob_helper()
326 	KUNIT_EXPECT_KASAN_FAIL(test, ptr2[middle] = 'x');  in krealloc_less_oob_helper()
327 	KUNIT_EXPECT_KASAN_FAIL(test, ptr2[size1 - 1] = 'x');  in krealloc_less_oob_helper()
328 	KUNIT_EXPECT_KASAN_FAIL(test, ptr2[size1] = 'x');  in krealloc_less_oob_helper()
333 static void krealloc_more_oob(struct kunit *test)  in krealloc_more_oob()  argument
335 	krealloc_more_oob_helper(test, 201, 235);  in krealloc_more_oob()
338 static void krealloc_less_oob(struct kunit *test)  in krealloc_less_oob()  argument
340 	krealloc_less_oob_helper(test, 235, 201);  in krealloc_less_oob()
343 static void krealloc_pagealloc_more_oob(struct kunit *test)  in krealloc_pagealloc_more_oob()  argument
346 	KASAN_TEST_NEEDS_CONFIG_ON(test, CONFIG_SLUB);  in krealloc_pagealloc_more_oob()
348 	krealloc_more_oob_helper(test, KMALLOC_MAX_CACHE_SIZE + 201,  in krealloc_pagealloc_more_oob()
352 static void krealloc_pagealloc_less_oob(struct kunit *test)  in krealloc_pagealloc_less_oob()  argument
355 	KASAN_TEST_NEEDS_CONFIG_ON(test, CONFIG_SLUB);  in krealloc_pagealloc_less_oob()
357 	krealloc_less_oob_helper(test, KMALLOC_MAX_CACHE_SIZE + 235,  in krealloc_pagealloc_less_oob()
365 static void krealloc_uaf(struct kunit *test)  in krealloc_uaf()  argument
372 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr1);  in krealloc_uaf()
375 	KUNIT_EXPECT_KASAN_FAIL(test, ptr2 = krealloc(ptr1, size2, GFP_KERNEL));  in krealloc_uaf()
376 	KUNIT_ASSERT_PTR_EQ(test, (void *)ptr2, NULL);  in krealloc_uaf()
377 	KUNIT_EXPECT_KASAN_FAIL(test, *(volatile char *)ptr1);  in krealloc_uaf()
380 static void kmalloc_oob_16(struct kunit *test)  in kmalloc_oob_16()  argument
386 	/* This test is specifically crafted for the generic mode. */  in kmalloc_oob_16()
387 	KASAN_TEST_NEEDS_CONFIG_ON(test, CONFIG_KASAN_GENERIC);  in kmalloc_oob_16()
390 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr1);  in kmalloc_oob_16()
393 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr2);  in kmalloc_oob_16()
395 	KUNIT_EXPECT_KASAN_FAIL(test, *ptr1 = *ptr2);  in kmalloc_oob_16()
400 static void kmalloc_uaf_16(struct kunit *test)  in kmalloc_uaf_16()  argument
407 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr1);  in kmalloc_uaf_16()
410 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr2);  in kmalloc_uaf_16()
413 	KUNIT_EXPECT_KASAN_FAIL(test, *ptr1 = *ptr2);  in kmalloc_uaf_16()
417 static void kmalloc_oob_memset_2(struct kunit *test)  in kmalloc_oob_memset_2()  argument
423 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr);  in kmalloc_oob_memset_2()
425 	KUNIT_EXPECT_KASAN_FAIL(test, memset(ptr + 7 + OOB_TAG_OFF, 0, 2));  in kmalloc_oob_memset_2()
429 static void kmalloc_oob_memset_4(struct kunit *test)  in kmalloc_oob_memset_4()  argument
435 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr);  in kmalloc_oob_memset_4()
437 	KUNIT_EXPECT_KASAN_FAIL(test, memset(ptr + 5 + OOB_TAG_OFF, 0, 4));  in kmalloc_oob_memset_4()
442 static void kmalloc_oob_memset_8(struct kunit *test)  in kmalloc_oob_memset_8()  argument
448 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr);  in kmalloc_oob_memset_8()
450 	KUNIT_EXPECT_KASAN_FAIL(test, memset(ptr + 1 + OOB_TAG_OFF, 0, 8));  in kmalloc_oob_memset_8()
454 static void kmalloc_oob_memset_16(struct kunit *test)  in kmalloc_oob_memset_16()  argument
460 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr);  in kmalloc_oob_memset_16()
462 	KUNIT_EXPECT_KASAN_FAIL(test, memset(ptr + 1 + OOB_TAG_OFF, 0, 16));  in kmalloc_oob_memset_16()
466 static void kmalloc_oob_in_memset(struct kunit *test)  in kmalloc_oob_in_memset()  argument
472 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr);  in kmalloc_oob_in_memset()
474 	KUNIT_EXPECT_KASAN_FAIL(test, memset(ptr, 0, size + 5 + OOB_TAG_OFF));  in kmalloc_oob_in_memset()
478 static void kmalloc_memmove_invalid_size(struct kunit *test)  in kmalloc_memmove_invalid_size()  argument
485 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr);  in kmalloc_memmove_invalid_size()
489 	KUNIT_EXPECT_KASAN_FAIL(test,  in kmalloc_memmove_invalid_size()
494 static void kmalloc_uaf(struct kunit *test)  in kmalloc_uaf()  argument
500 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr);  in kmalloc_uaf()
503 	KUNIT_EXPECT_KASAN_FAIL(test, *(ptr + 8) = 'x');  in kmalloc_uaf()
506 static void kmalloc_uaf_memset(struct kunit *test)  in kmalloc_uaf_memset()  argument
512 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr);  in kmalloc_uaf_memset()
515 	KUNIT_EXPECT_KASAN_FAIL(test, memset(ptr, 0, size));  in kmalloc_uaf_memset()
518 static void kmalloc_uaf2(struct kunit *test)  in kmalloc_uaf2()  argument
526 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr1);  in kmalloc_uaf2()
531 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr2);  in kmalloc_uaf2()
542 	KUNIT_EXPECT_KASAN_FAIL(test, ptr1[40] = 'x');  in kmalloc_uaf2()
543 	KUNIT_EXPECT_PTR_NE(test, ptr1, ptr2);  in kmalloc_uaf2()
548 static void kfree_via_page(struct kunit *test)  in kfree_via_page()  argument
556 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr);  in kfree_via_page()
563 static void kfree_via_phys(struct kunit *test)  in kfree_via_phys()  argument
570 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr);  in kfree_via_phys()
576 static void kmem_cache_oob(struct kunit *test)  in kmem_cache_oob()  argument
583 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, cache);  in kmem_cache_oob()
587 		kunit_err(test, "Allocation failed: %s\n", __func__);  in kmem_cache_oob()
592 	KUNIT_EXPECT_KASAN_FAIL(test, *p = p[size + OOB_TAG_OFF]);  in kmem_cache_oob()
598 static void kmem_cache_accounted(struct kunit *test)  in kmem_cache_accounted()  argument
606 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, cache);  in kmem_cache_accounted()
625 static void kmem_cache_bulk(struct kunit *test)  in kmem_cache_bulk()  argument
634 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, cache);  in kmem_cache_bulk()
638 		kunit_err(test, "Allocation failed: %s\n", __func__);  in kmem_cache_bulk()
652 static void kasan_global_oob(struct kunit *test)  in kasan_global_oob()  argument
670 	KASAN_TEST_NEEDS_CONFIG_ON(test, CONFIG_KASAN_GENERIC);  in kasan_global_oob()
672 	KUNIT_EXPECT_KASAN_FAIL(test, *(volatile char *)p);  in kasan_global_oob()
676 static void ksize_unpoisons_memory(struct kunit *test)  in ksize_unpoisons_memory()  argument
682 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr);  in ksize_unpoisons_memory()
689 	KUNIT_EXPECT_KASAN_FAIL(test, ptr[real_size] = 'y');  in ksize_unpoisons_memory()
698 static void ksize_uaf(struct kunit *test)  in ksize_uaf()  argument
704 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr);  in ksize_uaf()
707 	KUNIT_EXPECT_KASAN_FAIL(test, ksize(ptr));  in ksize_uaf()
708 	KUNIT_EXPECT_KASAN_FAIL(test, kasan_int_result = *ptr);  in ksize_uaf()
709 	KUNIT_EXPECT_KASAN_FAIL(test, kasan_int_result = *(ptr + size));  in ksize_uaf()
712 static void kasan_stack_oob(struct kunit *test)  in kasan_stack_oob()  argument
719 	KASAN_TEST_NEEDS_CONFIG_ON(test, CONFIG_KASAN_STACK);  in kasan_stack_oob()
721 	KUNIT_EXPECT_KASAN_FAIL(test, *(volatile char *)p);  in kasan_stack_oob()
724 static void kasan_alloca_oob_left(struct kunit *test)  in kasan_alloca_oob_left()  argument
733 	KASAN_TEST_NEEDS_CONFIG_ON(test, CONFIG_KASAN_GENERIC);  in kasan_alloca_oob_left()
734 	KASAN_TEST_NEEDS_CONFIG_ON(test, CONFIG_KASAN_STACK);  in kasan_alloca_oob_left()
736 	KUNIT_EXPECT_KASAN_FAIL(test, *(volatile char *)p);  in kasan_alloca_oob_left()
739 static void kasan_alloca_oob_right(struct kunit *test)  in kasan_alloca_oob_right()  argument
748 	KASAN_TEST_NEEDS_CONFIG_ON(test, CONFIG_KASAN_GENERIC);  in kasan_alloca_oob_right()
749 	KASAN_TEST_NEEDS_CONFIG_ON(test, CONFIG_KASAN_STACK);  in kasan_alloca_oob_right()
751 	KUNIT_EXPECT_KASAN_FAIL(test, *(volatile char *)p);  in kasan_alloca_oob_right()
754 static void kmem_cache_double_free(struct kunit *test)  in kmem_cache_double_free()  argument
761 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, cache);  in kmem_cache_double_free()
765 		kunit_err(test, "Allocation failed: %s\n", __func__);  in kmem_cache_double_free()
771 	KUNIT_EXPECT_KASAN_FAIL(test, kmem_cache_free(cache, p));  in kmem_cache_double_free()
775 static void kmem_cache_invalid_free(struct kunit *test)  in kmem_cache_invalid_free()  argument
783 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, cache);  in kmem_cache_invalid_free()
787 		kunit_err(test, "Allocation failed: %s\n", __func__);  in kmem_cache_invalid_free()
793 	KUNIT_EXPECT_KASAN_FAIL(test, kmem_cache_free(cache, p + 1));  in kmem_cache_invalid_free()
804 static void kasan_memchr(struct kunit *test)  in kasan_memchr()  argument
813 	KASAN_TEST_NEEDS_CONFIG_OFF(test, CONFIG_AMD_MEM_ENCRYPT);  in kasan_memchr()
819 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr);  in kasan_memchr()
821 	KUNIT_EXPECT_KASAN_FAIL(test,  in kasan_memchr()
827 static void kasan_memcmp(struct kunit *test)  in kasan_memcmp()  argument
837 	KASAN_TEST_NEEDS_CONFIG_OFF(test, CONFIG_AMD_MEM_ENCRYPT);  in kasan_memcmp()
843 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr);  in kasan_memcmp()
846 	KUNIT_EXPECT_KASAN_FAIL(test,  in kasan_memcmp()
851 static void kasan_strings(struct kunit *test)  in kasan_strings()  argument
860 	KASAN_TEST_NEEDS_CONFIG_OFF(test, CONFIG_AMD_MEM_ENCRYPT);  in kasan_strings()
863 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr);  in kasan_strings()
874 	KUNIT_EXPECT_KASAN_FAIL(test, kasan_ptr_result = strchr(ptr, '1'));  in kasan_strings()
876 	KUNIT_EXPECT_KASAN_FAIL(test, kasan_ptr_result = strrchr(ptr, '1'));  in kasan_strings()
878 	KUNIT_EXPECT_KASAN_FAIL(test, kasan_int_result = strcmp(ptr, "2"));  in kasan_strings()
880 	KUNIT_EXPECT_KASAN_FAIL(test, kasan_int_result = strncmp(ptr, "2", 1));  in kasan_strings()
882 	KUNIT_EXPECT_KASAN_FAIL(test, kasan_int_result = strlen(ptr));  in kasan_strings()
884 	KUNIT_EXPECT_KASAN_FAIL(test, kasan_int_result = strnlen(ptr, 1));  in kasan_strings()
887 static void kasan_bitops_modify(struct kunit *test, int nr, void *addr)  in kasan_bitops_modify()  argument
889 	KUNIT_EXPECT_KASAN_FAIL(test, set_bit(nr, addr));  in kasan_bitops_modify()
890 	KUNIT_EXPECT_KASAN_FAIL(test, __set_bit(nr, addr));  in kasan_bitops_modify()
891 	KUNIT_EXPECT_KASAN_FAIL(test, clear_bit(nr, addr));  in kasan_bitops_modify()
892 	KUNIT_EXPECT_KASAN_FAIL(test, __clear_bit(nr, addr));  in kasan_bitops_modify()
893 	KUNIT_EXPECT_KASAN_FAIL(test, clear_bit_unlock(nr, addr));  in kasan_bitops_modify()
894 	KUNIT_EXPECT_KASAN_FAIL(test, __clear_bit_unlock(nr, addr));  in kasan_bitops_modify()
895 	KUNIT_EXPECT_KASAN_FAIL(test, change_bit(nr, addr));  in kasan_bitops_modify()
896 	KUNIT_EXPECT_KASAN_FAIL(test, __change_bit(nr, addr));  in kasan_bitops_modify()
899 static void kasan_bitops_test_and_modify(struct kunit *test, int nr, void *addr)  in kasan_bitops_test_and_modify()  argument
901 	KUNIT_EXPECT_KASAN_FAIL(test, test_and_set_bit(nr, addr));  in kasan_bitops_test_and_modify()
902 	KUNIT_EXPECT_KASAN_FAIL(test, __test_and_set_bit(nr, addr));  in kasan_bitops_test_and_modify()
903 	KUNIT_EXPECT_KASAN_FAIL(test, test_and_set_bit_lock(nr, addr));  in kasan_bitops_test_and_modify()
904 	KUNIT_EXPECT_KASAN_FAIL(test, test_and_clear_bit(nr, addr));  in kasan_bitops_test_and_modify()
905 	KUNIT_EXPECT_KASAN_FAIL(test, __test_and_clear_bit(nr, addr));  in kasan_bitops_test_and_modify()
906 	KUNIT_EXPECT_KASAN_FAIL(test, test_and_change_bit(nr, addr));  in kasan_bitops_test_and_modify()
907 	KUNIT_EXPECT_KASAN_FAIL(test, __test_and_change_bit(nr, addr));  in kasan_bitops_test_and_modify()
908 	KUNIT_EXPECT_KASAN_FAIL(test, kasan_int_result = test_bit(nr, addr));  in kasan_bitops_test_and_modify()
911 	KUNIT_EXPECT_KASAN_FAIL(test, kasan_int_result =  in kasan_bitops_test_and_modify()
916 static void kasan_bitops_generic(struct kunit *test)  in kasan_bitops_generic()  argument
920 	/* This test is specifically crafted for the generic mode. */  in kasan_bitops_generic()
921 	KASAN_TEST_NEEDS_CONFIG_ON(test, CONFIG_KASAN_GENERIC);  in kasan_bitops_generic()
928 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, bits);  in kasan_bitops_generic()
935 	kasan_bitops_modify(test, BITS_PER_LONG, bits);  in kasan_bitops_generic()
940 	kasan_bitops_test_and_modify(test, BITS_PER_LONG + BITS_PER_BYTE, bits);  in kasan_bitops_generic()
945 static void kasan_bitops_tags(struct kunit *test)  in kasan_bitops_tags()  argument
949 	/* This test is specifically crafted for tag-based modes. */  in kasan_bitops_tags()
950 	KASAN_TEST_NEEDS_CONFIG_OFF(test, CONFIG_KASAN_GENERIC);  in kasan_bitops_tags()
954 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, bits);  in kasan_bitops_tags()
957 	kasan_bitops_modify(test, BITS_PER_LONG, (void *)bits + 48);  in kasan_bitops_tags()
958 	kasan_bitops_test_and_modify(test, BITS_PER_LONG + BITS_PER_BYTE, (void *)bits + 48);  in kasan_bitops_tags()
963 static void kmalloc_double_kzfree(struct kunit *test)  in kmalloc_double_kzfree()  argument
969 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr);  in kmalloc_double_kzfree()
972 	KUNIT_EXPECT_KASAN_FAIL(test, kfree_sensitive(ptr));  in kmalloc_double_kzfree()
975 static void vmalloc_oob(struct kunit *test)  in vmalloc_oob()  argument
979 	KASAN_TEST_NEEDS_CONFIG_ON(test, CONFIG_KASAN_VMALLOC);  in vmalloc_oob()
986 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, area);  in vmalloc_oob()
988 	KUNIT_EXPECT_KASAN_FAIL(test, ((volatile char *)area)[3100]);  in vmalloc_oob()
997 static void match_all_not_assigned(struct kunit *test)  in match_all_not_assigned()  argument
1003 	KASAN_TEST_NEEDS_CONFIG_OFF(test, CONFIG_KASAN_GENERIC);  in match_all_not_assigned()
1008 		KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr);  in match_all_not_assigned()
1009 		KUNIT_EXPECT_GE(test, (u8)get_tag(ptr), (u8)KASAN_TAG_MIN);  in match_all_not_assigned()
1010 		KUNIT_EXPECT_LT(test, (u8)get_tag(ptr), (u8)KASAN_TAG_KERNEL);  in match_all_not_assigned()
1018 		KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr);  in match_all_not_assigned()
1019 		KUNIT_EXPECT_GE(test, (u8)get_tag(ptr), (u8)KASAN_TAG_MIN);  in match_all_not_assigned()
1020 		KUNIT_EXPECT_LT(test, (u8)get_tag(ptr), (u8)KASAN_TAG_KERNEL);  in match_all_not_assigned()
1026 static void match_all_ptr_tag(struct kunit *test)  in match_all_ptr_tag()  argument
1031 	KASAN_TEST_NEEDS_CONFIG_OFF(test, CONFIG_KASAN_GENERIC);  in match_all_ptr_tag()
1034 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr);  in match_all_ptr_tag()
1038 	KUNIT_EXPECT_NE(test, tag, (u8)KASAN_TAG_KERNEL);  in match_all_ptr_tag()
1052 static void match_all_mem_tag(struct kunit *test)  in match_all_mem_tag()  argument
1057 	KASAN_TEST_NEEDS_CONFIG_OFF(test, CONFIG_KASAN_GENERIC);  in match_all_mem_tag()
1060 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr);  in match_all_mem_tag()
1061 	KUNIT_EXPECT_NE(test, (u8)get_tag(ptr), (u8)KASAN_TAG_KERNEL);  in match_all_mem_tag()
1072 		KUNIT_EXPECT_KASAN_FAIL(test, *ptr = 0);  in match_all_mem_tag()