diff options
Diffstat (limited to 'lib/asan/tests/asan_str_test.cc')
| -rw-r--r-- | lib/asan/tests/asan_str_test.cc | 33 |
1 files changed, 31 insertions, 2 deletions
diff --git a/lib/asan/tests/asan_str_test.cc b/lib/asan/tests/asan_str_test.cc index c790088f8..5cf4e05c8 100644 --- a/lib/asan/tests/asan_str_test.cc +++ b/lib/asan/tests/asan_str_test.cc @@ -95,6 +95,9 @@ TEST(AddressSanitizer, StrLenOOBTest) { free(heap_string); } +// 32-bit android libc++-based NDK toolchain links wcslen statically, disabling +// the interceptor. +#if !defined(__ANDROID__) || defined(__LP64__) TEST(AddressSanitizer, WcsLenTest) { EXPECT_EQ(0U, wcslen(Ident(L""))); size_t hello_len = 13; @@ -106,6 +109,7 @@ TEST(AddressSanitizer, WcsLenTest) { EXPECT_DEATH(Ident(wcslen(heap_string + 14)), RightOOBReadMessage(0)); free(heap_string); } +#endif #if SANITIZER_TEST_HAS_STRNLEN TEST(AddressSanitizer, StrNLenOOBTest) { @@ -154,6 +158,33 @@ TEST(AddressSanitizer, MAYBE_StrDupOOBTest) { free(str); } +#if SANITIZER_TEST_HAS_STRNDUP +TEST(AddressSanitizer, MAYBE_StrNDupOOBTest) { + size_t size = Ident(42); + char *str = MallocAndMemsetString(size); + char *new_str; + // Normal strndup calls. + str[size - 1] = '\0'; + new_str = strndup(str, size - 13); + free(new_str); + new_str = strndup(str + size - 1, 13); + free(new_str); + // Argument points to not allocated memory. + EXPECT_DEATH(Ident(strndup(str - 1, 13)), LeftOOBReadMessage(1)); + EXPECT_DEATH(Ident(strndup(str + size, 13)), RightOOBReadMessage(0)); + // Overwrite the terminating '\0' and hit unallocated memory. + str[size - 1] = 'z'; + EXPECT_DEATH(Ident(strndup(str, size + 13)), RightOOBReadMessage(0)); + // Check handling of non 0 terminated strings. + Ident(new_str = strndup(str + size - 1, 0)); + free(new_str); + Ident(new_str = strndup(str + size - 1, 1)); + free(new_str); + EXPECT_DEATH(Ident(strndup(str + size - 1, 2)), RightOOBReadMessage(0)); + free(str); +} +#endif // SANITIZER_TEST_HAS_STRNDUP + TEST(AddressSanitizer, StrCpyOOBTest) { size_t to_size = Ident(30); size_t from_size = Ident(6); // less than to_size @@ -602,5 +633,3 @@ TEST(AddressSanitizer, StrtolOOBTest) { RunStrtolOOBTest(&CallStrtol); } #endif - - |