mm/kasan/kasan_test.c

313 					size_t size1, size_t size2)
318 	KUNIT_ASSERT_LT(test, size1, size2);
319 	middle = size1 + (size2 - size1) / 2;
324 	ptr2 = krealloc(ptr1, size2, GFP_KERNEL);
330 	/* All offsets up to size2 must be accessible. */
334 	ptr2[size2 - 1] = 'x';
336 	/* Generic mode is precise, so unaligned size2 must be inaccessible. */
338 		KUNIT_EXPECT_KASAN_FAIL(test, ptr2[size2] = 'x');
340 	/* For all modes first aligned offset after size2 must be inaccessible. */
342 		ptr2[round_up(size2, KASAN_GRANULE_SIZE)] = 'x');
348 					size_t size1, size_t size2)
353 	KUNIT_ASSERT_LT(test, size2, size1);
354 	middle = size2 + (size1 - size2) / 2;
359 	ptr2 = krealloc(ptr1, size2, GFP_KERNEL);
366 	ptr2[size2 - 1] = 'x';
368 	/* Generic mode is precise, so unaligned size2 must be inaccessible. */
370 		KUNIT_EXPECT_KASAN_FAIL(test, ptr2[size2] = 'x');
372 	/* For all modes first aligned offset after size2 must be inaccessible. */
374 		ptr2[round_up(size2, KASAN_GRANULE_SIZE)] = 'x');
377 	 * For all modes all size2, middle, and size1 should land in separate
380 	KUNIT_EXPECT_LE(test, round_up(size2, KASAN_GRANULE_SIZE),
421 	int size2 = 235;
427 	KUNIT_EXPECT_KASAN_FAIL(test, ptr2 = krealloc(ptr1, size2, GFP_KERNEL));