diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/test_kasan.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/lib/test_kasan.c b/lib/test_kasan.c index db73bc9e3fa2..1f533a7346d9 100644 --- a/lib/test_kasan.c +++ b/lib/test_kasan.c @@ -501,11 +501,17 @@ static void kmalloc_memmove_invalid_size(struct kunit *test) size_t size = 64; volatile size_t invalid_size = -2; + /* + * Hardware tag-based mode doesn't check memmove for negative size. + * As a result, this test introduces a side-effect memory corruption, + * which can result in a crash. + */ + KASAN_TEST_NEEDS_CONFIG_OFF(test, CONFIG_KASAN_HW_TAGS); + ptr = kmalloc(size, GFP_KERNEL); KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr); memset((char *)ptr, 0, 64); - KUNIT_EXPECT_KASAN_FAIL(test, memmove((char *)ptr, (char *)ptr + 4, invalid_size)); kfree(ptr); |