Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 1 | //===-- msan_test.cc ------------------------------------------------------===// |
| 2 | // |
| 3 | // The LLVM Compiler Infrastructure |
| 4 | // |
| 5 | // This file is distributed under the University of Illinois Open Source |
| 6 | // License. See LICENSE.TXT for details. |
| 7 | // |
| 8 | //===----------------------------------------------------------------------===// |
| 9 | // |
| 10 | // This file is a part of MemorySanitizer. |
| 11 | // |
| 12 | // MemorySanitizer unit tests. |
| 13 | //===----------------------------------------------------------------------===// |
| 14 | |
Evgeniy Stepanov | 6e5ff89 | 2013-03-22 09:01:26 +0000 | [diff] [blame] | 15 | #ifndef MSAN_EXTERNAL_TEST_CONFIG |
| 16 | #include "msan_test_config.h" |
| 17 | #endif // MSAN_EXTERNAL_TEST_CONFIG |
| 18 | |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 19 | #include "sanitizer_common/tests/sanitizer_test_utils.h" |
| 20 | |
Stephen Hines | 6a211c5 | 2014-07-21 00:49:56 -0700 | [diff] [blame] | 21 | #include "sanitizer/allocator_interface.h" |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 22 | #include "sanitizer/msan_interface.h" |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 23 | |
| 24 | #if defined(__FreeBSD__) |
| 25 | # define _KERNEL // To declare 'shminfo' structure. |
| 26 | # include <sys/shm.h> |
| 27 | # undef _KERNEL |
| 28 | extern "C" { |
| 29 | // <sys/shm.h> doesn't declare these functions in _KERNEL mode. |
| 30 | void *shmat(int, const void *, int); |
| 31 | int shmget(key_t, size_t, int); |
| 32 | int shmctl(int, int, struct shmid_ds *); |
| 33 | int shmdt(const void *); |
| 34 | } |
| 35 | #endif |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 36 | |
Evgeniy Stepanov | ff6c9fb | 2013-07-04 13:19:41 +0000 | [diff] [blame] | 37 | #include <inttypes.h> |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 38 | #include <stdlib.h> |
| 39 | #include <stdarg.h> |
| 40 | #include <stdio.h> |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 41 | #include <wchar.h> |
Evgeniy Stepanov | 7cbbb29 | 2013-03-14 11:34:39 +0000 | [diff] [blame] | 42 | #include <math.h> |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 43 | |
Evgeniy Stepanov | 9530eb7 | 2013-04-23 14:05:15 +0000 | [diff] [blame] | 44 | #include <arpa/inet.h> |
Evgeniy Stepanov | e03345b | 2013-01-17 13:42:17 +0000 | [diff] [blame] | 45 | #include <dlfcn.h> |
Evgeniy Stepanov | 103a63e | 2013-04-23 12:01:20 +0000 | [diff] [blame] | 46 | #include <grp.h> |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 47 | #include <unistd.h> |
Evgeniy Stepanov | 2bba4ef | 2013-05-16 13:00:25 +0000 | [diff] [blame] | 48 | #include <link.h> |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 49 | #include <limits.h> |
| 50 | #include <sys/time.h> |
Evgeniy Stepanov | e18e3f0 | 2013-08-12 13:19:53 +0000 | [diff] [blame] | 51 | #include <poll.h> |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 52 | #include <sys/types.h> |
| 53 | #include <sys/stat.h> |
| 54 | #include <fcntl.h> |
| 55 | #include <sys/resource.h> |
| 56 | #include <sys/ioctl.h> |
Evgeniy Stepanov | 5cee73e | 2013-10-18 11:14:16 +0000 | [diff] [blame] | 57 | #include <sys/statvfs.h> |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 58 | #include <sys/utsname.h> |
| 59 | #include <sys/mman.h> |
Evgeniy Stepanov | d97a15a | 2013-03-14 12:49:23 +0000 | [diff] [blame] | 60 | #include <dirent.h> |
Evgeniy Stepanov | e4bdda5 | 2013-04-01 14:47:21 +0000 | [diff] [blame] | 61 | #include <pwd.h> |
Evgeniy Stepanov | 134fe8a | 2013-04-08 13:45:12 +0000 | [diff] [blame] | 62 | #include <sys/socket.h> |
Evgeniy Stepanov | 0a2cc37 | 2013-05-23 11:10:23 +0000 | [diff] [blame] | 63 | #include <netdb.h> |
Evgeniy Stepanov | c5a3855 | 2013-09-24 14:38:22 +0000 | [diff] [blame] | 64 | #include <wordexp.h> |
Evgeniy Stepanov | 10362d6 | 2013-10-24 14:47:34 +0000 | [diff] [blame] | 65 | #include <sys/ipc.h> |
| 66 | #include <sys/shm.h> |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 67 | |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 68 | #if !defined(__FreeBSD__) |
| 69 | # include <malloc.h> |
| 70 | # include <sys/sysinfo.h> |
| 71 | # include <sys/vfs.h> |
| 72 | # include <mntent.h> |
| 73 | # include <netinet/ether.h> |
| 74 | #else |
| 75 | # include <signal.h> |
| 76 | # include <netinet/in.h> |
| 77 | # include <pthread_np.h> |
| 78 | # include <sys/uio.h> |
| 79 | # include <sys/mount.h> |
| 80 | # include <sys/sysctl.h> |
| 81 | # include <net/ethernet.h> |
| 82 | # define f_namelen f_namemax // FreeBSD names this statfs field so. |
| 83 | # define cpu_set_t cpuset_t |
| 84 | extern "C" { |
| 85 | // FreeBSD's <ssp/string.h> defines mempcpy() to be a macro expanding into |
| 86 | // a __builtin___mempcpy_chk() call, but since Msan RTL defines it as an |
| 87 | // ordinary function, we can declare it here to complete the tests. |
| 88 | void *mempcpy(void *dest, const void *src, size_t n); |
| 89 | } |
| 90 | #endif |
| 91 | |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 92 | #if defined(__i386__) || defined(__x86_64__) |
| 93 | # include <emmintrin.h> |
| 94 | # define MSAN_HAS_M128 1 |
| 95 | #else |
| 96 | # define MSAN_HAS_M128 0 |
| 97 | #endif |
| 98 | |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 99 | #ifdef __AVX2__ |
| 100 | # include <immintrin.h> |
| 101 | #endif |
| 102 | |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 103 | // On FreeBSD procfs is not enabled by default. |
| 104 | #if defined(__FreeBSD__) |
| 105 | # define FILE_TO_READ "/bin/cat" |
| 106 | # define DIR_TO_READ "/bin" |
| 107 | # define SUBFILE_TO_READ "cat" |
| 108 | # define SYMLINK_TO_READ "/usr/bin/tar" |
| 109 | # define SUPERUSER_GROUP "wheel" |
| 110 | #else |
| 111 | # define FILE_TO_READ "/proc/self/stat" |
| 112 | # define DIR_TO_READ "/proc/self" |
| 113 | # define SUBFILE_TO_READ "stat" |
| 114 | # define SYMLINK_TO_READ "/proc/self/exe" |
| 115 | # define SUPERUSER_GROUP "root" |
| 116 | #endif |
| 117 | |
| 118 | const size_t kPageSize = 4096; |
| 119 | const size_t kMaxPathLength = 4096; |
Evgeniy Stepanov | 97160a8 | 2013-09-02 09:24:53 +0000 | [diff] [blame] | 120 | |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 121 | typedef unsigned char U1; |
| 122 | typedef unsigned short U2; // NOLINT |
| 123 | typedef unsigned int U4; |
| 124 | typedef unsigned long long U8; // NOLINT |
| 125 | typedef signed char S1; |
| 126 | typedef signed short S2; // NOLINT |
| 127 | typedef signed int S4; |
| 128 | typedef signed long long S8; // NOLINT |
| 129 | #define NOINLINE __attribute__((noinline)) |
| 130 | #define INLINE __attribute__((always_inline)) |
| 131 | |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 132 | static bool TrackingOrigins() { |
| 133 | S8 x; |
| 134 | __msan_set_origin(&x, sizeof(x), 0x1234); |
Evgeniy Stepanov | 250f221 | 2013-01-30 13:12:08 +0000 | [diff] [blame] | 135 | U4 origin = __msan_get_origin(&x); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 136 | __msan_set_origin(&x, sizeof(x), 0); |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 137 | return __msan_origin_is_descendant_or_same(origin, 0x1234); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 138 | } |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 139 | |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 140 | #define EXPECT_ORIGIN(expected, origin) \ |
| 141 | EXPECT_TRUE(__msan_origin_is_descendant_or_same((origin), (expected))) |
| 142 | |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 143 | #define EXPECT_UMR(action) \ |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 144 | do { \ |
| 145 | __msan_set_expect_umr(1); \ |
| 146 | action; \ |
| 147 | __msan_set_expect_umr(0); \ |
| 148 | } while (0) |
| 149 | |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 150 | #define EXPECT_UMR_O(action, origin) \ |
| 151 | do { \ |
| 152 | __msan_set_expect_umr(1); \ |
| 153 | action; \ |
| 154 | __msan_set_expect_umr(0); \ |
| 155 | if (TrackingOrigins()) EXPECT_ORIGIN(origin, __msan_get_umr_origin()); \ |
| 156 | } while (0) |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 157 | |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 158 | #define EXPECT_POISONED(x) ExpectPoisoned(x) |
| 159 | |
| 160 | template<typename T> |
| 161 | void ExpectPoisoned(const T& t) { |
| 162 | EXPECT_NE(-1, __msan_test_shadow((void*)&t, sizeof(t))); |
| 163 | } |
| 164 | |
| 165 | #define EXPECT_POISONED_O(x, origin) \ |
| 166 | ExpectPoisonedWithOrigin(x, origin) |
| 167 | |
| 168 | template<typename T> |
| 169 | void ExpectPoisonedWithOrigin(const T& t, unsigned origin) { |
| 170 | EXPECT_NE(-1, __msan_test_shadow((void*)&t, sizeof(t))); |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 171 | if (TrackingOrigins()) EXPECT_ORIGIN(origin, __msan_get_origin((void *)&t)); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 172 | } |
| 173 | |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 174 | #define EXPECT_NOT_POISONED(x) EXPECT_EQ(true, TestForNotPoisoned((x))) |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 175 | |
| 176 | template<typename T> |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 177 | bool TestForNotPoisoned(const T& t) { |
| 178 | return __msan_test_shadow((void*)&t, sizeof(t)) == -1; |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 179 | } |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 180 | |
| 181 | static U8 poisoned_array[100]; |
| 182 | template<class T> |
| 183 | T *GetPoisoned(int i = 0, T val = 0) { |
| 184 | T *res = (T*)&poisoned_array[i]; |
| 185 | *res = val; |
| 186 | __msan_poison(&poisoned_array[i], sizeof(T)); |
| 187 | return res; |
| 188 | } |
| 189 | |
| 190 | template<class T> |
Evgeniy Stepanov | 250f221 | 2013-01-30 13:12:08 +0000 | [diff] [blame] | 191 | T *GetPoisonedO(int i, U4 origin, T val = 0) { |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 192 | T *res = (T*)&poisoned_array[i]; |
| 193 | *res = val; |
| 194 | __msan_poison(&poisoned_array[i], sizeof(T)); |
| 195 | __msan_set_origin(&poisoned_array[i], sizeof(T), origin); |
| 196 | return res; |
| 197 | } |
| 198 | |
Stephen Hines | 6a211c5 | 2014-07-21 00:49:56 -0700 | [diff] [blame] | 199 | template<typename T> |
| 200 | T Poisoned(T v = 0, T s = (T)(-1)) { |
| 201 | __msan_partial_poison(&v, &s, sizeof(T)); |
| 202 | return v; |
| 203 | } |
| 204 | |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 205 | template<class T> NOINLINE T ReturnPoisoned() { return *GetPoisoned<T>(); } |
| 206 | |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 207 | static volatile int g_one = 1; |
| 208 | static volatile int g_zero = 0; |
| 209 | static volatile int g_0 = 0; |
| 210 | static volatile int g_1 = 1; |
| 211 | |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 212 | S4 a_s4[100]; |
| 213 | S8 a_s8[100]; |
| 214 | |
Evgeniy Stepanov | 12c4693 | 2013-01-29 14:33:29 +0000 | [diff] [blame] | 215 | // Check that malloc poisons memory. |
| 216 | // A lot of tests below depend on this. |
| 217 | TEST(MemorySanitizerSanity, PoisonInMalloc) { |
| 218 | int *x = (int*)malloc(sizeof(int)); |
| 219 | EXPECT_POISONED(*x); |
| 220 | free(x); |
| 221 | } |
| 222 | |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 223 | TEST(MemorySanitizer, NegativeTest1) { |
| 224 | S4 *x = GetPoisoned<S4>(); |
| 225 | if (g_one) |
| 226 | *x = 0; |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 227 | EXPECT_NOT_POISONED(*x); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 228 | } |
| 229 | |
| 230 | TEST(MemorySanitizer, PositiveTest1) { |
| 231 | // Load to store. |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 232 | EXPECT_POISONED(*GetPoisoned<S1>()); |
| 233 | EXPECT_POISONED(*GetPoisoned<S2>()); |
| 234 | EXPECT_POISONED(*GetPoisoned<S4>()); |
| 235 | EXPECT_POISONED(*GetPoisoned<S8>()); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 236 | |
| 237 | // S->S conversions. |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 238 | EXPECT_POISONED(*GetPoisoned<S1>()); |
| 239 | EXPECT_POISONED(*GetPoisoned<S1>()); |
| 240 | EXPECT_POISONED(*GetPoisoned<S1>()); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 241 | |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 242 | EXPECT_POISONED(*GetPoisoned<S2>()); |
| 243 | EXPECT_POISONED(*GetPoisoned<S2>()); |
| 244 | EXPECT_POISONED(*GetPoisoned<S2>()); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 245 | |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 246 | EXPECT_POISONED(*GetPoisoned<S4>()); |
| 247 | EXPECT_POISONED(*GetPoisoned<S4>()); |
| 248 | EXPECT_POISONED(*GetPoisoned<S4>()); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 249 | |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 250 | EXPECT_POISONED(*GetPoisoned<S8>()); |
| 251 | EXPECT_POISONED(*GetPoisoned<S8>()); |
| 252 | EXPECT_POISONED(*GetPoisoned<S8>()); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 253 | |
| 254 | // ZExt |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 255 | EXPECT_POISONED(*GetPoisoned<U1>()); |
| 256 | EXPECT_POISONED(*GetPoisoned<U1>()); |
| 257 | EXPECT_POISONED(*GetPoisoned<U1>()); |
| 258 | EXPECT_POISONED(*GetPoisoned<U2>()); |
| 259 | EXPECT_POISONED(*GetPoisoned<U2>()); |
| 260 | EXPECT_POISONED(*GetPoisoned<U4>()); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 261 | |
| 262 | // Unary ops. |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 263 | EXPECT_POISONED(- *GetPoisoned<S4>()); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 264 | |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 265 | EXPECT_UMR(a_s4[g_zero] = 100 / *GetPoisoned<S4>(0, 1)); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 266 | |
| 267 | |
| 268 | a_s4[g_zero] = 1 - *GetPoisoned<S4>(); |
| 269 | a_s4[g_zero] = 1 + *GetPoisoned<S4>(); |
| 270 | } |
| 271 | |
| 272 | TEST(MemorySanitizer, Phi1) { |
| 273 | S4 c; |
| 274 | if (g_one) { |
| 275 | c = *GetPoisoned<S4>(); |
| 276 | } else { |
Evgeniy Stepanov | 12c4693 | 2013-01-29 14:33:29 +0000 | [diff] [blame] | 277 | break_optimization(0); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 278 | c = 0; |
| 279 | } |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 280 | EXPECT_POISONED(c); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 281 | } |
| 282 | |
| 283 | TEST(MemorySanitizer, Phi2) { |
| 284 | S4 i = *GetPoisoned<S4>(); |
| 285 | S4 n = g_one; |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 286 | EXPECT_UMR(for (; i < g_one; i++);); |
| 287 | EXPECT_POISONED(i); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 288 | } |
| 289 | |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 290 | NOINLINE void Arg1ExpectUMR(S4 a1) { EXPECT_POISONED(a1); } |
| 291 | NOINLINE void Arg2ExpectUMR(S4 a1, S4 a2) { EXPECT_POISONED(a2); } |
| 292 | NOINLINE void Arg3ExpectUMR(S1 a1, S4 a2, S8 a3) { EXPECT_POISONED(a3); } |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 293 | |
| 294 | TEST(MemorySanitizer, ArgTest) { |
| 295 | Arg1ExpectUMR(*GetPoisoned<S4>()); |
| 296 | Arg2ExpectUMR(0, *GetPoisoned<S4>()); |
| 297 | Arg3ExpectUMR(0, 1, *GetPoisoned<S8>()); |
| 298 | } |
| 299 | |
| 300 | |
| 301 | TEST(MemorySanitizer, CallAndRet) { |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 302 | ReturnPoisoned<S1>(); |
| 303 | ReturnPoisoned<S2>(); |
| 304 | ReturnPoisoned<S4>(); |
| 305 | ReturnPoisoned<S8>(); |
| 306 | |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 307 | EXPECT_POISONED(ReturnPoisoned<S1>()); |
| 308 | EXPECT_POISONED(ReturnPoisoned<S2>()); |
| 309 | EXPECT_POISONED(ReturnPoisoned<S4>()); |
| 310 | EXPECT_POISONED(ReturnPoisoned<S8>()); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 311 | } |
| 312 | |
| 313 | // malloc() in the following test may be optimized to produce a compile-time |
| 314 | // undef value. Check that we trap on the volatile assignment anyway. |
| 315 | TEST(MemorySanitizer, DISABLED_MallocNoIdent) { |
| 316 | S4 *x = (int*)malloc(sizeof(S4)); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 317 | EXPECT_POISONED(*x); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 318 | free(x); |
| 319 | } |
| 320 | |
| 321 | TEST(MemorySanitizer, Malloc) { |
| 322 | S4 *x = (int*)Ident(malloc(sizeof(S4))); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 323 | EXPECT_POISONED(*x); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 324 | free(x); |
| 325 | } |
| 326 | |
| 327 | TEST(MemorySanitizer, Realloc) { |
| 328 | S4 *x = (int*)Ident(realloc(0, sizeof(S4))); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 329 | EXPECT_POISONED(x[0]); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 330 | x[0] = 1; |
| 331 | x = (int*)Ident(realloc(x, 2 * sizeof(S4))); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 332 | EXPECT_NOT_POISONED(x[0]); // Ok, was inited before. |
| 333 | EXPECT_POISONED(x[1]); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 334 | x = (int*)Ident(realloc(x, 3 * sizeof(S4))); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 335 | EXPECT_NOT_POISONED(x[0]); // Ok, was inited before. |
| 336 | EXPECT_POISONED(x[2]); |
| 337 | EXPECT_POISONED(x[1]); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 338 | x[2] = 1; // Init this here. Check that after realloc it is poisoned again. |
| 339 | x = (int*)Ident(realloc(x, 2 * sizeof(S4))); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 340 | EXPECT_NOT_POISONED(x[0]); // Ok, was inited before. |
| 341 | EXPECT_POISONED(x[1]); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 342 | x = (int*)Ident(realloc(x, 3 * sizeof(S4))); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 343 | EXPECT_POISONED(x[1]); |
| 344 | EXPECT_POISONED(x[2]); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 345 | free(x); |
| 346 | } |
| 347 | |
| 348 | TEST(MemorySanitizer, Calloc) { |
| 349 | S4 *x = (int*)Ident(calloc(1, sizeof(S4))); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 350 | EXPECT_NOT_POISONED(*x); // Should not be poisoned. |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 351 | EXPECT_EQ(0, *x); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 352 | free(x); |
| 353 | } |
| 354 | |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 355 | TEST(MemorySanitizer, CallocReturnsZeroMem) { |
| 356 | size_t sizes[] = {16, 1000, 10000, 100000, 2100000}; |
| 357 | for (size_t s = 0; s < sizeof(sizes)/sizeof(sizes[0]); s++) { |
| 358 | size_t size = sizes[s]; |
| 359 | for (size_t iter = 0; iter < 5; iter++) { |
| 360 | char *x = Ident((char*)calloc(1, size)); |
| 361 | EXPECT_EQ(x[0], 0); |
| 362 | EXPECT_EQ(x[size - 1], 0); |
| 363 | EXPECT_EQ(x[size / 2], 0); |
| 364 | EXPECT_EQ(x[size / 3], 0); |
| 365 | EXPECT_EQ(x[size / 4], 0); |
| 366 | memset(x, 0x42, size); |
| 367 | free(Ident(x)); |
| 368 | } |
| 369 | } |
| 370 | } |
| 371 | |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 372 | TEST(MemorySanitizer, AndOr) { |
| 373 | U4 *p = GetPoisoned<U4>(); |
| 374 | // We poison two bytes in the midle of a 4-byte word to make the test |
| 375 | // correct regardless of endianness. |
| 376 | ((U1*)p)[1] = 0; |
| 377 | ((U1*)p)[2] = 0xff; |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 378 | EXPECT_NOT_POISONED(*p & 0x00ffff00); |
| 379 | EXPECT_NOT_POISONED(*p & 0x00ff0000); |
| 380 | EXPECT_NOT_POISONED(*p & 0x0000ff00); |
| 381 | EXPECT_POISONED(*p & 0xff000000); |
| 382 | EXPECT_POISONED(*p & 0x000000ff); |
| 383 | EXPECT_POISONED(*p & 0x0000ffff); |
| 384 | EXPECT_POISONED(*p & 0xffff0000); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 385 | |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 386 | EXPECT_NOT_POISONED(*p | 0xff0000ff); |
| 387 | EXPECT_NOT_POISONED(*p | 0xff00ffff); |
| 388 | EXPECT_NOT_POISONED(*p | 0xffff00ff); |
| 389 | EXPECT_POISONED(*p | 0xff000000); |
| 390 | EXPECT_POISONED(*p | 0x000000ff); |
| 391 | EXPECT_POISONED(*p | 0x0000ffff); |
| 392 | EXPECT_POISONED(*p | 0xffff0000); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 393 | |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 394 | EXPECT_POISONED(*GetPoisoned<bool>() & *GetPoisoned<bool>()); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 395 | } |
| 396 | |
| 397 | template<class T> |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 398 | static bool applyNot(T value, T shadow) { |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 399 | __msan_partial_poison(&value, &shadow, sizeof(T)); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 400 | return !value; |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 401 | } |
| 402 | |
| 403 | TEST(MemorySanitizer, Not) { |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 404 | EXPECT_NOT_POISONED(applyNot<U4>(0x0, 0x0)); |
| 405 | EXPECT_NOT_POISONED(applyNot<U4>(0xFFFFFFFF, 0x0)); |
| 406 | EXPECT_POISONED(applyNot<U4>(0xFFFFFFFF, 0xFFFFFFFF)); |
| 407 | EXPECT_NOT_POISONED(applyNot<U4>(0xFF000000, 0x0FFFFFFF)); |
| 408 | EXPECT_NOT_POISONED(applyNot<U4>(0xFF000000, 0x00FFFFFF)); |
| 409 | EXPECT_NOT_POISONED(applyNot<U4>(0xFF000000, 0x0000FFFF)); |
| 410 | EXPECT_NOT_POISONED(applyNot<U4>(0xFF000000, 0x00000000)); |
| 411 | EXPECT_POISONED(applyNot<U4>(0xFF000000, 0xFF000000)); |
| 412 | EXPECT_NOT_POISONED(applyNot<U4>(0xFF800000, 0xFF000000)); |
| 413 | EXPECT_POISONED(applyNot<U4>(0x00008000, 0x00008000)); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 414 | |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 415 | EXPECT_NOT_POISONED(applyNot<U1>(0x0, 0x0)); |
| 416 | EXPECT_NOT_POISONED(applyNot<U1>(0xFF, 0xFE)); |
| 417 | EXPECT_NOT_POISONED(applyNot<U1>(0xFF, 0x0)); |
| 418 | EXPECT_POISONED(applyNot<U1>(0xFF, 0xFF)); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 419 | |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 420 | EXPECT_POISONED(applyNot<void*>((void*)0xFFFFFF, (void*)(-1))); |
| 421 | EXPECT_NOT_POISONED(applyNot<void*>((void*)0xFFFFFF, (void*)(-2))); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 422 | } |
| 423 | |
| 424 | TEST(MemorySanitizer, Shift) { |
| 425 | U4 *up = GetPoisoned<U4>(); |
| 426 | ((U1*)up)[0] = 0; |
| 427 | ((U1*)up)[3] = 0xff; |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 428 | EXPECT_NOT_POISONED(*up >> 30); |
| 429 | EXPECT_NOT_POISONED(*up >> 24); |
| 430 | EXPECT_POISONED(*up >> 23); |
| 431 | EXPECT_POISONED(*up >> 10); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 432 | |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 433 | EXPECT_NOT_POISONED(*up << 30); |
| 434 | EXPECT_NOT_POISONED(*up << 24); |
| 435 | EXPECT_POISONED(*up << 23); |
| 436 | EXPECT_POISONED(*up << 10); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 437 | |
| 438 | S4 *sp = (S4*)up; |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 439 | EXPECT_NOT_POISONED(*sp >> 30); |
| 440 | EXPECT_NOT_POISONED(*sp >> 24); |
| 441 | EXPECT_POISONED(*sp >> 23); |
| 442 | EXPECT_POISONED(*sp >> 10); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 443 | |
| 444 | sp = GetPoisoned<S4>(); |
| 445 | ((S1*)sp)[1] = 0; |
| 446 | ((S1*)sp)[2] = 0; |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 447 | EXPECT_POISONED(*sp >> 31); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 448 | |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 449 | EXPECT_POISONED(100 >> *GetPoisoned<S4>()); |
| 450 | EXPECT_POISONED(100U >> *GetPoisoned<S4>()); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 451 | } |
| 452 | |
| 453 | NOINLINE static int GetPoisonedZero() { |
| 454 | int *zero = new int; |
| 455 | *zero = 0; |
| 456 | __msan_poison(zero, sizeof(*zero)); |
| 457 | int res = *zero; |
| 458 | delete zero; |
| 459 | return res; |
| 460 | } |
| 461 | |
| 462 | TEST(MemorySanitizer, LoadFromDirtyAddress) { |
| 463 | int *a = new int; |
| 464 | *a = 0; |
Evgeniy Stepanov | 12c4693 | 2013-01-29 14:33:29 +0000 | [diff] [blame] | 465 | EXPECT_UMR(break_optimization((void*)(U8)a[GetPoisonedZero()])); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 466 | delete a; |
| 467 | } |
| 468 | |
| 469 | TEST(MemorySanitizer, StoreToDirtyAddress) { |
| 470 | int *a = new int; |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 471 | EXPECT_UMR(a[GetPoisonedZero()] = 0); |
Evgeniy Stepanov | 12c4693 | 2013-01-29 14:33:29 +0000 | [diff] [blame] | 472 | break_optimization(a); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 473 | delete a; |
| 474 | } |
| 475 | |
| 476 | |
| 477 | NOINLINE void StackTestFunc() { |
| 478 | S4 p4; |
| 479 | S4 ok4 = 1; |
| 480 | S2 p2; |
| 481 | S2 ok2 = 1; |
| 482 | S1 p1; |
| 483 | S1 ok1 = 1; |
Evgeniy Stepanov | 12c4693 | 2013-01-29 14:33:29 +0000 | [diff] [blame] | 484 | break_optimization(&p4); |
| 485 | break_optimization(&ok4); |
| 486 | break_optimization(&p2); |
| 487 | break_optimization(&ok2); |
| 488 | break_optimization(&p1); |
| 489 | break_optimization(&ok1); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 490 | |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 491 | EXPECT_POISONED(p4); |
| 492 | EXPECT_POISONED(p2); |
| 493 | EXPECT_POISONED(p1); |
| 494 | EXPECT_NOT_POISONED(ok1); |
| 495 | EXPECT_NOT_POISONED(ok2); |
| 496 | EXPECT_NOT_POISONED(ok4); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 497 | } |
| 498 | |
| 499 | TEST(MemorySanitizer, StackTest) { |
| 500 | StackTestFunc(); |
| 501 | } |
| 502 | |
| 503 | NOINLINE void StackStressFunc() { |
| 504 | int foo[10000]; |
Evgeniy Stepanov | 12c4693 | 2013-01-29 14:33:29 +0000 | [diff] [blame] | 505 | break_optimization(foo); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 506 | } |
| 507 | |
| 508 | TEST(MemorySanitizer, DISABLED_StackStressTest) { |
| 509 | for (int i = 0; i < 1000000; i++) |
| 510 | StackStressFunc(); |
| 511 | } |
| 512 | |
| 513 | template<class T> |
| 514 | void TestFloatingPoint() { |
| 515 | static volatile T v; |
| 516 | static T g[100]; |
Evgeniy Stepanov | 12c4693 | 2013-01-29 14:33:29 +0000 | [diff] [blame] | 517 | break_optimization(&g); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 518 | T *x = GetPoisoned<T>(); |
| 519 | T *y = GetPoisoned<T>(1); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 520 | EXPECT_POISONED(*x); |
| 521 | EXPECT_POISONED((long long)*x); |
| 522 | EXPECT_POISONED((int)*x); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 523 | g[0] = *x; |
| 524 | g[1] = *x + *y; |
| 525 | g[2] = *x - *y; |
| 526 | g[3] = *x * *y; |
| 527 | } |
| 528 | |
| 529 | TEST(MemorySanitizer, FloatingPointTest) { |
| 530 | TestFloatingPoint<float>(); |
| 531 | TestFloatingPoint<double>(); |
| 532 | } |
| 533 | |
| 534 | TEST(MemorySanitizer, DynMem) { |
| 535 | S4 x = 0; |
| 536 | S4 *y = GetPoisoned<S4>(); |
| 537 | memcpy(y, &x, g_one * sizeof(S4)); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 538 | EXPECT_NOT_POISONED(*y); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 539 | } |
| 540 | |
| 541 | static char *DynRetTestStr; |
| 542 | |
| 543 | TEST(MemorySanitizer, DynRet) { |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 544 | ReturnPoisoned<S8>(); |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 545 | EXPECT_NOT_POISONED(atoi("0")); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 546 | } |
| 547 | |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 548 | TEST(MemorySanitizer, DynRet1) { |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 549 | ReturnPoisoned<S8>(); |
| 550 | } |
| 551 | |
| 552 | struct LargeStruct { |
| 553 | S4 x[10]; |
| 554 | }; |
| 555 | |
| 556 | NOINLINE |
| 557 | LargeStruct LargeRetTest() { |
| 558 | LargeStruct res; |
| 559 | res.x[0] = *GetPoisoned<S4>(); |
| 560 | res.x[1] = *GetPoisoned<S4>(); |
| 561 | res.x[2] = *GetPoisoned<S4>(); |
| 562 | res.x[3] = *GetPoisoned<S4>(); |
| 563 | res.x[4] = *GetPoisoned<S4>(); |
| 564 | res.x[5] = *GetPoisoned<S4>(); |
| 565 | res.x[6] = *GetPoisoned<S4>(); |
| 566 | res.x[7] = *GetPoisoned<S4>(); |
| 567 | res.x[8] = *GetPoisoned<S4>(); |
| 568 | res.x[9] = *GetPoisoned<S4>(); |
| 569 | return res; |
| 570 | } |
| 571 | |
Alexey Samsonov | 67505a8 | 2013-07-16 12:51:53 +0000 | [diff] [blame] | 572 | TEST(MemorySanitizer, strcmp) { |
| 573 | char s1[10]; |
| 574 | char s2[10]; |
| 575 | strncpy(s1, "foo", 10); |
| 576 | s2[0] = 'f'; |
| 577 | s2[1] = 'n'; |
| 578 | EXPECT_GT(strcmp(s1, s2), 0); |
| 579 | s2[1] = 'o'; |
| 580 | int res; |
| 581 | EXPECT_UMR(res = strcmp(s1, s2)); |
| 582 | EXPECT_NOT_POISONED(res); |
| 583 | EXPECT_EQ(strncmp(s1, s2, 1), 0); |
| 584 | } |
| 585 | |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 586 | TEST(MemorySanitizer, LargeRet) { |
| 587 | LargeStruct a = LargeRetTest(); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 588 | EXPECT_POISONED(a.x[0]); |
| 589 | EXPECT_POISONED(a.x[9]); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 590 | } |
| 591 | |
Evgeniy Stepanov | 1204979 | 2013-08-08 11:44:05 +0000 | [diff] [blame] | 592 | TEST(MemorySanitizer, strerror) { |
| 593 | char *buf = strerror(EINVAL); |
| 594 | EXPECT_NOT_POISONED(strlen(buf)); |
| 595 | buf = strerror(123456); |
| 596 | EXPECT_NOT_POISONED(strlen(buf)); |
| 597 | } |
| 598 | |
| 599 | TEST(MemorySanitizer, strerror_r) { |
| 600 | errno = 0; |
| 601 | char buf[1000]; |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 602 | char *res = (char*) (size_t) strerror_r(EINVAL, buf, sizeof(buf)); |
Evgeniy Stepanov | 1204979 | 2013-08-08 11:44:05 +0000 | [diff] [blame] | 603 | ASSERT_EQ(0, errno); |
| 604 | if (!res) res = buf; // POSIX version success. |
| 605 | EXPECT_NOT_POISONED(strlen(res)); |
| 606 | } |
| 607 | |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 608 | TEST(MemorySanitizer, fread) { |
| 609 | char *x = new char[32]; |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 610 | FILE *f = fopen(FILE_TO_READ, "r"); |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 611 | ASSERT_TRUE(f != NULL); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 612 | fread(x, 1, 32, f); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 613 | EXPECT_NOT_POISONED(x[0]); |
| 614 | EXPECT_NOT_POISONED(x[16]); |
| 615 | EXPECT_NOT_POISONED(x[31]); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 616 | fclose(f); |
Stephen Hines | 6d18623 | 2014-11-26 17:56:19 -0800 | [diff] [blame] | 617 | delete[] x; |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 618 | } |
| 619 | |
| 620 | TEST(MemorySanitizer, read) { |
| 621 | char *x = new char[32]; |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 622 | int fd = open(FILE_TO_READ, O_RDONLY); |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 623 | ASSERT_GT(fd, 0); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 624 | int sz = read(fd, x, 32); |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 625 | ASSERT_EQ(sz, 32); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 626 | EXPECT_NOT_POISONED(x[0]); |
| 627 | EXPECT_NOT_POISONED(x[16]); |
| 628 | EXPECT_NOT_POISONED(x[31]); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 629 | close(fd); |
Stephen Hines | 6d18623 | 2014-11-26 17:56:19 -0800 | [diff] [blame] | 630 | delete[] x; |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 631 | } |
| 632 | |
| 633 | TEST(MemorySanitizer, pread) { |
| 634 | char *x = new char[32]; |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 635 | int fd = open(FILE_TO_READ, O_RDONLY); |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 636 | ASSERT_GT(fd, 0); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 637 | int sz = pread(fd, x, 32, 0); |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 638 | ASSERT_EQ(sz, 32); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 639 | EXPECT_NOT_POISONED(x[0]); |
| 640 | EXPECT_NOT_POISONED(x[16]); |
| 641 | EXPECT_NOT_POISONED(x[31]); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 642 | close(fd); |
Stephen Hines | 6d18623 | 2014-11-26 17:56:19 -0800 | [diff] [blame] | 643 | delete[] x; |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 644 | } |
| 645 | |
Evgeniy Stepanov | b916e6a | 2013-06-24 10:43:23 +0000 | [diff] [blame] | 646 | TEST(MemorySanitizer, readv) { |
| 647 | char buf[2011]; |
| 648 | struct iovec iov[2]; |
| 649 | iov[0].iov_base = buf + 1; |
| 650 | iov[0].iov_len = 5; |
| 651 | iov[1].iov_base = buf + 10; |
| 652 | iov[1].iov_len = 2000; |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 653 | int fd = open(FILE_TO_READ, O_RDONLY); |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 654 | ASSERT_GT(fd, 0); |
Evgeniy Stepanov | b916e6a | 2013-06-24 10:43:23 +0000 | [diff] [blame] | 655 | int sz = readv(fd, iov, 2); |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 656 | ASSERT_GE(sz, 0); |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 657 | ASSERT_LE(sz, 5 + 2000); |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 658 | ASSERT_GT((size_t)sz, iov[0].iov_len); |
Evgeniy Stepanov | b916e6a | 2013-06-24 10:43:23 +0000 | [diff] [blame] | 659 | EXPECT_POISONED(buf[0]); |
| 660 | EXPECT_NOT_POISONED(buf[1]); |
| 661 | EXPECT_NOT_POISONED(buf[5]); |
| 662 | EXPECT_POISONED(buf[6]); |
| 663 | EXPECT_POISONED(buf[9]); |
| 664 | EXPECT_NOT_POISONED(buf[10]); |
| 665 | EXPECT_NOT_POISONED(buf[10 + (sz - 1) - 5]); |
| 666 | EXPECT_POISONED(buf[11 + (sz - 1) - 5]); |
| 667 | close(fd); |
| 668 | } |
| 669 | |
| 670 | TEST(MemorySanitizer, preadv) { |
| 671 | char buf[2011]; |
| 672 | struct iovec iov[2]; |
| 673 | iov[0].iov_base = buf + 1; |
| 674 | iov[0].iov_len = 5; |
| 675 | iov[1].iov_base = buf + 10; |
| 676 | iov[1].iov_len = 2000; |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 677 | int fd = open(FILE_TO_READ, O_RDONLY); |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 678 | ASSERT_GT(fd, 0); |
Evgeniy Stepanov | b916e6a | 2013-06-24 10:43:23 +0000 | [diff] [blame] | 679 | int sz = preadv(fd, iov, 2, 3); |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 680 | ASSERT_GE(sz, 0); |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 681 | ASSERT_LE(sz, 5 + 2000); |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 682 | ASSERT_GT((size_t)sz, iov[0].iov_len); |
Evgeniy Stepanov | b916e6a | 2013-06-24 10:43:23 +0000 | [diff] [blame] | 683 | EXPECT_POISONED(buf[0]); |
| 684 | EXPECT_NOT_POISONED(buf[1]); |
| 685 | EXPECT_NOT_POISONED(buf[5]); |
| 686 | EXPECT_POISONED(buf[6]); |
| 687 | EXPECT_POISONED(buf[9]); |
| 688 | EXPECT_NOT_POISONED(buf[10]); |
| 689 | EXPECT_NOT_POISONED(buf[10 + (sz - 1) - 5]); |
| 690 | EXPECT_POISONED(buf[11 + (sz - 1) - 5]); |
| 691 | close(fd); |
| 692 | } |
| 693 | |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 694 | // FIXME: fails now. |
| 695 | TEST(MemorySanitizer, DISABLED_ioctl) { |
| 696 | struct winsize ws; |
| 697 | EXPECT_EQ(ioctl(2, TIOCGWINSZ, &ws), 0); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 698 | EXPECT_NOT_POISONED(ws.ws_col); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 699 | } |
| 700 | |
| 701 | TEST(MemorySanitizer, readlink) { |
| 702 | char *x = new char[1000]; |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 703 | readlink(SYMLINK_TO_READ, x, 1000); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 704 | EXPECT_NOT_POISONED(x[0]); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 705 | delete [] x; |
| 706 | } |
| 707 | |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 708 | TEST(MemorySanitizer, stat) { |
| 709 | struct stat* st = new struct stat; |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 710 | int res = stat(FILE_TO_READ, st); |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 711 | ASSERT_EQ(0, res); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 712 | EXPECT_NOT_POISONED(st->st_dev); |
| 713 | EXPECT_NOT_POISONED(st->st_mode); |
| 714 | EXPECT_NOT_POISONED(st->st_size); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 715 | } |
| 716 | |
Evgeniy Stepanov | bb22942 | 2013-09-09 13:40:41 +0000 | [diff] [blame] | 717 | TEST(MemorySanitizer, fstatat) { |
| 718 | struct stat* st = new struct stat; |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 719 | int dirfd = open(DIR_TO_READ, O_RDONLY); |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 720 | ASSERT_GT(dirfd, 0); |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 721 | int res = fstatat(dirfd, SUBFILE_TO_READ, st, 0); |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 722 | ASSERT_EQ(0, res); |
Evgeniy Stepanov | bb22942 | 2013-09-09 13:40:41 +0000 | [diff] [blame] | 723 | EXPECT_NOT_POISONED(st->st_dev); |
| 724 | EXPECT_NOT_POISONED(st->st_mode); |
| 725 | EXPECT_NOT_POISONED(st->st_size); |
| 726 | close(dirfd); |
| 727 | } |
| 728 | |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 729 | TEST(MemorySanitizer, statfs) { |
Evgeniy Stepanov | 5cee73e | 2013-10-18 11:14:16 +0000 | [diff] [blame] | 730 | struct statfs st; |
| 731 | int res = statfs("/", &st); |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 732 | ASSERT_EQ(0, res); |
Evgeniy Stepanov | 5cee73e | 2013-10-18 11:14:16 +0000 | [diff] [blame] | 733 | EXPECT_NOT_POISONED(st.f_type); |
| 734 | EXPECT_NOT_POISONED(st.f_bfree); |
| 735 | EXPECT_NOT_POISONED(st.f_namelen); |
| 736 | } |
| 737 | |
| 738 | TEST(MemorySanitizer, statvfs) { |
| 739 | struct statvfs st; |
| 740 | int res = statvfs("/", &st); |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 741 | ASSERT_EQ(0, res); |
Evgeniy Stepanov | 5cee73e | 2013-10-18 11:14:16 +0000 | [diff] [blame] | 742 | EXPECT_NOT_POISONED(st.f_bsize); |
| 743 | EXPECT_NOT_POISONED(st.f_blocks); |
| 744 | EXPECT_NOT_POISONED(st.f_bfree); |
| 745 | EXPECT_NOT_POISONED(st.f_namemax); |
| 746 | } |
| 747 | |
| 748 | TEST(MemorySanitizer, fstatvfs) { |
| 749 | struct statvfs st; |
| 750 | int fd = open("/", O_RDONLY | O_DIRECTORY); |
| 751 | int res = fstatvfs(fd, &st); |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 752 | ASSERT_EQ(0, res); |
Evgeniy Stepanov | 5cee73e | 2013-10-18 11:14:16 +0000 | [diff] [blame] | 753 | EXPECT_NOT_POISONED(st.f_bsize); |
| 754 | EXPECT_NOT_POISONED(st.f_blocks); |
| 755 | EXPECT_NOT_POISONED(st.f_bfree); |
| 756 | EXPECT_NOT_POISONED(st.f_namemax); |
| 757 | close(fd); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 758 | } |
| 759 | |
| 760 | TEST(MemorySanitizer, pipe) { |
| 761 | int* pipefd = new int[2]; |
| 762 | int res = pipe(pipefd); |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 763 | ASSERT_EQ(0, res); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 764 | EXPECT_NOT_POISONED(pipefd[0]); |
| 765 | EXPECT_NOT_POISONED(pipefd[1]); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 766 | close(pipefd[0]); |
| 767 | close(pipefd[1]); |
| 768 | } |
| 769 | |
Evgeniy Stepanov | 134fe8a | 2013-04-08 13:45:12 +0000 | [diff] [blame] | 770 | TEST(MemorySanitizer, pipe2) { |
| 771 | int* pipefd = new int[2]; |
| 772 | int res = pipe2(pipefd, O_NONBLOCK); |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 773 | ASSERT_EQ(0, res); |
Evgeniy Stepanov | 134fe8a | 2013-04-08 13:45:12 +0000 | [diff] [blame] | 774 | EXPECT_NOT_POISONED(pipefd[0]); |
| 775 | EXPECT_NOT_POISONED(pipefd[1]); |
| 776 | close(pipefd[0]); |
| 777 | close(pipefd[1]); |
| 778 | } |
| 779 | |
| 780 | TEST(MemorySanitizer, socketpair) { |
| 781 | int sv[2]; |
| 782 | int res = socketpair(AF_UNIX, SOCK_STREAM, 0, sv); |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 783 | ASSERT_EQ(0, res); |
Evgeniy Stepanov | 134fe8a | 2013-04-08 13:45:12 +0000 | [diff] [blame] | 784 | EXPECT_NOT_POISONED(sv[0]); |
| 785 | EXPECT_NOT_POISONED(sv[1]); |
| 786 | close(sv[0]); |
| 787 | close(sv[1]); |
| 788 | } |
| 789 | |
Evgeniy Stepanov | e18e3f0 | 2013-08-12 13:19:53 +0000 | [diff] [blame] | 790 | TEST(MemorySanitizer, poll) { |
| 791 | int* pipefd = new int[2]; |
| 792 | int res = pipe(pipefd); |
| 793 | ASSERT_EQ(0, res); |
| 794 | |
| 795 | char data = 42; |
| 796 | res = write(pipefd[1], &data, 1); |
| 797 | ASSERT_EQ(1, res); |
| 798 | |
| 799 | pollfd fds[2]; |
| 800 | fds[0].fd = pipefd[0]; |
| 801 | fds[0].events = POLLIN; |
| 802 | fds[1].fd = pipefd[1]; |
| 803 | fds[1].events = POLLIN; |
| 804 | res = poll(fds, 2, 500); |
| 805 | ASSERT_EQ(1, res); |
| 806 | EXPECT_NOT_POISONED(fds[0].revents); |
| 807 | EXPECT_NOT_POISONED(fds[1].revents); |
| 808 | |
| 809 | close(pipefd[0]); |
| 810 | close(pipefd[1]); |
| 811 | } |
| 812 | |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 813 | // There is no ppoll() on FreeBSD. |
| 814 | #if !defined (__FreeBSD__) |
Evgeniy Stepanov | 47177ef | 2013-08-27 11:10:20 +0000 | [diff] [blame] | 815 | TEST(MemorySanitizer, ppoll) { |
| 816 | int* pipefd = new int[2]; |
| 817 | int res = pipe(pipefd); |
| 818 | ASSERT_EQ(0, res); |
| 819 | |
| 820 | char data = 42; |
| 821 | res = write(pipefd[1], &data, 1); |
| 822 | ASSERT_EQ(1, res); |
| 823 | |
| 824 | pollfd fds[2]; |
| 825 | fds[0].fd = pipefd[0]; |
| 826 | fds[0].events = POLLIN; |
| 827 | fds[1].fd = pipefd[1]; |
| 828 | fds[1].events = POLLIN; |
| 829 | sigset_t ss; |
| 830 | sigemptyset(&ss); |
| 831 | res = ppoll(fds, 2, NULL, &ss); |
| 832 | ASSERT_EQ(1, res); |
| 833 | EXPECT_NOT_POISONED(fds[0].revents); |
| 834 | EXPECT_NOT_POISONED(fds[1].revents); |
| 835 | |
| 836 | close(pipefd[0]); |
| 837 | close(pipefd[1]); |
| 838 | } |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 839 | #endif |
Evgeniy Stepanov | 47177ef | 2013-08-27 11:10:20 +0000 | [diff] [blame] | 840 | |
Evgeniy Stepanov | e18e3f0 | 2013-08-12 13:19:53 +0000 | [diff] [blame] | 841 | TEST(MemorySanitizer, poll_positive) { |
| 842 | int* pipefd = new int[2]; |
| 843 | int res = pipe(pipefd); |
| 844 | ASSERT_EQ(0, res); |
| 845 | |
| 846 | pollfd fds[2]; |
| 847 | fds[0].fd = pipefd[0]; |
| 848 | fds[0].events = POLLIN; |
| 849 | // fds[1].fd uninitialized |
| 850 | fds[1].events = POLLIN; |
| 851 | EXPECT_UMR(poll(fds, 2, 0)); |
| 852 | |
| 853 | close(pipefd[0]); |
| 854 | close(pipefd[1]); |
| 855 | } |
| 856 | |
Evgeniy Stepanov | 9f58c5c | 2013-05-22 13:46:22 +0000 | [diff] [blame] | 857 | TEST(MemorySanitizer, bind_getsockname) { |
| 858 | int sock = socket(AF_UNIX, SOCK_STREAM, 0); |
| 859 | |
| 860 | struct sockaddr_in sai; |
| 861 | memset(&sai, 0, sizeof(sai)); |
| 862 | sai.sin_family = AF_UNIX; |
| 863 | int res = bind(sock, (struct sockaddr *)&sai, sizeof(sai)); |
| 864 | |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 865 | ASSERT_EQ(0, res); |
Evgeniy Stepanov | 9f58c5c | 2013-05-22 13:46:22 +0000 | [diff] [blame] | 866 | char buf[200]; |
| 867 | socklen_t addrlen; |
| 868 | EXPECT_UMR(getsockname(sock, (struct sockaddr *)&buf, &addrlen)); |
| 869 | |
| 870 | addrlen = sizeof(buf); |
| 871 | res = getsockname(sock, (struct sockaddr *)&buf, &addrlen); |
| 872 | EXPECT_NOT_POISONED(addrlen); |
| 873 | EXPECT_NOT_POISONED(buf[0]); |
| 874 | EXPECT_NOT_POISONED(buf[addrlen - 1]); |
| 875 | EXPECT_POISONED(buf[addrlen]); |
| 876 | close(sock); |
| 877 | } |
| 878 | |
Evgeniy Stepanov | 9d1525e | 2013-05-29 09:09:58 +0000 | [diff] [blame] | 879 | TEST(MemorySanitizer, accept) { |
| 880 | int listen_socket = socket(AF_INET, SOCK_STREAM, 0); |
| 881 | ASSERT_LT(0, listen_socket); |
| 882 | |
| 883 | struct sockaddr_in sai; |
Evgeniy Stepanov | ab8bf09 | 2013-10-17 11:32:30 +0000 | [diff] [blame] | 884 | memset(&sai, 0, sizeof(sai)); |
Evgeniy Stepanov | 9d1525e | 2013-05-29 09:09:58 +0000 | [diff] [blame] | 885 | sai.sin_family = AF_INET; |
| 886 | sai.sin_port = 0; |
| 887 | sai.sin_addr.s_addr = htonl(INADDR_LOOPBACK); |
| 888 | int res = bind(listen_socket, (struct sockaddr *)&sai, sizeof(sai)); |
| 889 | ASSERT_EQ(0, res); |
| 890 | |
| 891 | res = listen(listen_socket, 1); |
| 892 | ASSERT_EQ(0, res); |
| 893 | |
| 894 | socklen_t sz = sizeof(sai); |
| 895 | res = getsockname(listen_socket, (struct sockaddr *)&sai, &sz); |
| 896 | ASSERT_EQ(0, res); |
| 897 | ASSERT_EQ(sizeof(sai), sz); |
Evgeniy Stepanov | bc33e13 | 2013-05-29 11:49:25 +0000 | [diff] [blame] | 898 | |
Evgeniy Stepanov | 9d1525e | 2013-05-29 09:09:58 +0000 | [diff] [blame] | 899 | int connect_socket = socket(AF_INET, SOCK_STREAM, 0); |
| 900 | ASSERT_LT(0, connect_socket); |
| 901 | res = fcntl(connect_socket, F_SETFL, O_NONBLOCK); |
| 902 | ASSERT_EQ(0, res); |
| 903 | res = connect(connect_socket, (struct sockaddr *)&sai, sizeof(sai)); |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 904 | // On FreeBSD this connection completes immediately. |
| 905 | if (res != 0) { |
| 906 | ASSERT_EQ(-1, res); |
| 907 | ASSERT_EQ(EINPROGRESS, errno); |
| 908 | } |
Evgeniy Stepanov | 9d1525e | 2013-05-29 09:09:58 +0000 | [diff] [blame] | 909 | |
| 910 | __msan_poison(&sai, sizeof(sai)); |
Evgeniy Stepanov | bc33e13 | 2013-05-29 11:49:25 +0000 | [diff] [blame] | 911 | int new_sock = accept(listen_socket, (struct sockaddr *)&sai, &sz); |
Evgeniy Stepanov | 9d1525e | 2013-05-29 09:09:58 +0000 | [diff] [blame] | 912 | ASSERT_LT(0, new_sock); |
| 913 | ASSERT_EQ(sizeof(sai), sz); |
| 914 | EXPECT_NOT_POISONED(sai); |
| 915 | |
Evgeniy Stepanov | bc33e13 | 2013-05-29 11:49:25 +0000 | [diff] [blame] | 916 | __msan_poison(&sai, sizeof(sai)); |
| 917 | res = getpeername(new_sock, (struct sockaddr *)&sai, &sz); |
| 918 | ASSERT_EQ(0, res); |
| 919 | ASSERT_EQ(sizeof(sai), sz); |
| 920 | EXPECT_NOT_POISONED(sai); |
| 921 | |
Evgeniy Stepanov | 9d1525e | 2013-05-29 09:09:58 +0000 | [diff] [blame] | 922 | close(new_sock); |
| 923 | close(connect_socket); |
| 924 | close(listen_socket); |
| 925 | } |
| 926 | |
Evgeniy Stepanov | 512c616 | 2013-05-29 12:33:31 +0000 | [diff] [blame] | 927 | TEST(MemorySanitizer, getaddrinfo) { |
| 928 | struct addrinfo *ai; |
| 929 | struct addrinfo hints; |
| 930 | memset(&hints, 0, sizeof(hints)); |
| 931 | hints.ai_family = AF_INET; |
| 932 | int res = getaddrinfo("localhost", NULL, &hints, &ai); |
| 933 | ASSERT_EQ(0, res); |
| 934 | EXPECT_NOT_POISONED(*ai); |
| 935 | ASSERT_EQ(sizeof(sockaddr_in), ai->ai_addrlen); |
| 936 | EXPECT_NOT_POISONED(*(sockaddr_in*)ai->ai_addr); |
| 937 | } |
| 938 | |
Evgeniy Stepanov | 9eedf48 | 2013-07-01 13:51:31 +0000 | [diff] [blame] | 939 | TEST(MemorySanitizer, getnameinfo) { |
| 940 | struct sockaddr_in sai; |
Evgeniy Stepanov | ab8bf09 | 2013-10-17 11:32:30 +0000 | [diff] [blame] | 941 | memset(&sai, 0, sizeof(sai)); |
Evgeniy Stepanov | 9eedf48 | 2013-07-01 13:51:31 +0000 | [diff] [blame] | 942 | sai.sin_family = AF_INET; |
| 943 | sai.sin_port = 80; |
| 944 | sai.sin_addr.s_addr = htonl(INADDR_LOOPBACK); |
| 945 | char host[500]; |
| 946 | char serv[500]; |
| 947 | int res = getnameinfo((struct sockaddr *)&sai, sizeof(sai), host, |
| 948 | sizeof(host), serv, sizeof(serv), 0); |
| 949 | ASSERT_EQ(0, res); |
| 950 | EXPECT_NOT_POISONED(host[0]); |
| 951 | EXPECT_POISONED(host[sizeof(host) - 1]); |
| 952 | |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 953 | ASSERT_NE(0U, strlen(host)); |
Evgeniy Stepanov | 9eedf48 | 2013-07-01 13:51:31 +0000 | [diff] [blame] | 954 | EXPECT_NOT_POISONED(serv[0]); |
| 955 | EXPECT_POISONED(serv[sizeof(serv) - 1]); |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 956 | ASSERT_NE(0U, strlen(serv)); |
Evgeniy Stepanov | 9eedf48 | 2013-07-01 13:51:31 +0000 | [diff] [blame] | 957 | } |
| 958 | |
Evgeniy Stepanov | 0a2cc37 | 2013-05-23 11:10:23 +0000 | [diff] [blame] | 959 | #define EXPECT_HOSTENT_NOT_POISONED(he) \ |
| 960 | do { \ |
| 961 | EXPECT_NOT_POISONED(*(he)); \ |
| 962 | ASSERT_NE((void *) 0, (he)->h_name); \ |
| 963 | ASSERT_NE((void *) 0, (he)->h_aliases); \ |
| 964 | ASSERT_NE((void *) 0, (he)->h_addr_list); \ |
| 965 | EXPECT_NOT_POISONED(strlen((he)->h_name)); \ |
| 966 | char **p = (he)->h_aliases; \ |
| 967 | while (*p) { \ |
| 968 | EXPECT_NOT_POISONED(strlen(*p)); \ |
| 969 | ++p; \ |
| 970 | } \ |
| 971 | char **q = (he)->h_addr_list; \ |
| 972 | while (*q) { \ |
| 973 | EXPECT_NOT_POISONED(*q[0]); \ |
| 974 | ++q; \ |
| 975 | } \ |
| 976 | EXPECT_NOT_POISONED(*q); \ |
| 977 | } while (0) |
| 978 | |
| 979 | TEST(MemorySanitizer, gethostent) { |
| 980 | struct hostent *he = gethostent(); |
| 981 | ASSERT_NE((void *)NULL, he); |
| 982 | EXPECT_HOSTENT_NOT_POISONED(he); |
| 983 | } |
| 984 | |
Evgeniy Stepanov | 263800b | 2013-06-27 13:21:00 +0000 | [diff] [blame] | 985 | #ifndef MSAN_TEST_DISABLE_GETHOSTBYNAME |
| 986 | |
Evgeniy Stepanov | 0a2cc37 | 2013-05-23 11:10:23 +0000 | [diff] [blame] | 987 | TEST(MemorySanitizer, gethostbyname) { |
| 988 | struct hostent *he = gethostbyname("localhost"); |
| 989 | ASSERT_NE((void *)NULL, he); |
| 990 | EXPECT_HOSTENT_NOT_POISONED(he); |
| 991 | } |
| 992 | |
Evgeniy Stepanov | 263800b | 2013-06-27 13:21:00 +0000 | [diff] [blame] | 993 | #endif // MSAN_TEST_DISABLE_GETHOSTBYNAME |
| 994 | |
Evgeniy Stepanov | ab8bf09 | 2013-10-17 11:32:30 +0000 | [diff] [blame] | 995 | TEST(MemorySanitizer, recvmsg) { |
| 996 | int server_socket = socket(AF_INET, SOCK_DGRAM, 0); |
| 997 | ASSERT_LT(0, server_socket); |
| 998 | |
| 999 | struct sockaddr_in sai; |
| 1000 | memset(&sai, 0, sizeof(sai)); |
| 1001 | sai.sin_family = AF_INET; |
| 1002 | sai.sin_port = 0; |
| 1003 | sai.sin_addr.s_addr = htonl(INADDR_LOOPBACK); |
| 1004 | int res = bind(server_socket, (struct sockaddr *)&sai, sizeof(sai)); |
| 1005 | ASSERT_EQ(0, res); |
| 1006 | |
| 1007 | socklen_t sz = sizeof(sai); |
| 1008 | res = getsockname(server_socket, (struct sockaddr *)&sai, &sz); |
| 1009 | ASSERT_EQ(0, res); |
| 1010 | ASSERT_EQ(sizeof(sai), sz); |
| 1011 | |
| 1012 | |
| 1013 | int client_socket = socket(AF_INET, SOCK_DGRAM, 0); |
| 1014 | ASSERT_LT(0, client_socket); |
| 1015 | |
| 1016 | struct sockaddr_in client_sai; |
| 1017 | memset(&client_sai, 0, sizeof(client_sai)); |
| 1018 | client_sai.sin_family = AF_INET; |
| 1019 | client_sai.sin_port = 0; |
| 1020 | client_sai.sin_addr.s_addr = htonl(INADDR_LOOPBACK); |
| 1021 | res = bind(client_socket, (struct sockaddr *)&client_sai, sizeof(client_sai)); |
| 1022 | ASSERT_EQ(0, res); |
| 1023 | |
| 1024 | sz = sizeof(client_sai); |
| 1025 | res = getsockname(client_socket, (struct sockaddr *)&client_sai, &sz); |
| 1026 | ASSERT_EQ(0, res); |
| 1027 | ASSERT_EQ(sizeof(client_sai), sz); |
| 1028 | |
Evgeniy Stepanov | ab8bf09 | 2013-10-17 11:32:30 +0000 | [diff] [blame] | 1029 | const char *s = "message text"; |
| 1030 | struct iovec iov; |
| 1031 | iov.iov_base = (void *)s; |
| 1032 | iov.iov_len = strlen(s) + 1; |
| 1033 | struct msghdr msg; |
| 1034 | memset(&msg, 0, sizeof(msg)); |
| 1035 | msg.msg_name = &sai; |
| 1036 | msg.msg_namelen = sizeof(sai); |
| 1037 | msg.msg_iov = &iov; |
| 1038 | msg.msg_iovlen = 1; |
| 1039 | res = sendmsg(client_socket, &msg, 0); |
| 1040 | ASSERT_LT(0, res); |
| 1041 | |
| 1042 | |
| 1043 | char buf[1000]; |
| 1044 | struct iovec recv_iov; |
| 1045 | recv_iov.iov_base = (void *)&buf; |
| 1046 | recv_iov.iov_len = sizeof(buf); |
| 1047 | struct sockaddr_in recv_sai; |
| 1048 | struct msghdr recv_msg; |
| 1049 | memset(&recv_msg, 0, sizeof(recv_msg)); |
| 1050 | recv_msg.msg_name = &recv_sai; |
| 1051 | recv_msg.msg_namelen = sizeof(recv_sai); |
| 1052 | recv_msg.msg_iov = &recv_iov; |
| 1053 | recv_msg.msg_iovlen = 1; |
| 1054 | res = recvmsg(server_socket, &recv_msg, 0); |
| 1055 | ASSERT_LT(0, res); |
| 1056 | |
| 1057 | ASSERT_EQ(sizeof(recv_sai), recv_msg.msg_namelen); |
| 1058 | EXPECT_NOT_POISONED(*(struct sockaddr_in *)recv_msg.msg_name); |
| 1059 | EXPECT_STREQ(s, buf); |
| 1060 | |
| 1061 | close(server_socket); |
| 1062 | close(client_socket); |
| 1063 | } |
| 1064 | |
Evgeniy Stepanov | 0a2cc37 | 2013-05-23 11:10:23 +0000 | [diff] [blame] | 1065 | TEST(MemorySanitizer, gethostbyname2) { |
| 1066 | struct hostent *he = gethostbyname2("localhost", AF_INET); |
| 1067 | ASSERT_NE((void *)NULL, he); |
| 1068 | EXPECT_HOSTENT_NOT_POISONED(he); |
| 1069 | } |
| 1070 | |
| 1071 | TEST(MemorySanitizer, gethostbyaddr) { |
| 1072 | in_addr_t addr = inet_addr("127.0.0.1"); |
| 1073 | EXPECT_NOT_POISONED(addr); |
| 1074 | struct hostent *he = gethostbyaddr(&addr, sizeof(addr), AF_INET); |
| 1075 | ASSERT_NE((void *)NULL, he); |
| 1076 | EXPECT_HOSTENT_NOT_POISONED(he); |
| 1077 | } |
| 1078 | |
| 1079 | TEST(MemorySanitizer, gethostent_r) { |
| 1080 | char buf[2000]; |
| 1081 | struct hostent he; |
| 1082 | struct hostent *result; |
| 1083 | int err; |
| 1084 | int res = gethostent_r(&he, buf, sizeof(buf), &result, &err); |
| 1085 | ASSERT_EQ(0, res); |
| 1086 | EXPECT_NOT_POISONED(result); |
| 1087 | ASSERT_NE((void *)NULL, result); |
| 1088 | EXPECT_HOSTENT_NOT_POISONED(result); |
| 1089 | EXPECT_NOT_POISONED(err); |
| 1090 | } |
| 1091 | |
| 1092 | TEST(MemorySanitizer, gethostbyname_r) { |
| 1093 | char buf[2000]; |
| 1094 | struct hostent he; |
| 1095 | struct hostent *result; |
| 1096 | int err; |
| 1097 | int res = gethostbyname_r("localhost", &he, buf, sizeof(buf), &result, &err); |
| 1098 | ASSERT_EQ(0, res); |
| 1099 | EXPECT_NOT_POISONED(result); |
| 1100 | ASSERT_NE((void *)NULL, result); |
| 1101 | EXPECT_HOSTENT_NOT_POISONED(result); |
| 1102 | EXPECT_NOT_POISONED(err); |
| 1103 | } |
| 1104 | |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 1105 | TEST(MemorySanitizer, gethostbyname_r_bad_host_name) { |
| 1106 | char buf[2000]; |
| 1107 | struct hostent he; |
| 1108 | struct hostent *result; |
| 1109 | int err; |
| 1110 | int res = gethostbyname_r("bad-host-name", &he, buf, sizeof(buf), &result, &err); |
| 1111 | ASSERT_EQ((struct hostent *)0, result); |
| 1112 | EXPECT_NOT_POISONED(err); |
| 1113 | } |
| 1114 | |
| 1115 | TEST(MemorySanitizer, gethostbyname_r_erange) { |
| 1116 | char buf[5]; |
| 1117 | struct hostent he; |
| 1118 | struct hostent *result; |
| 1119 | int err; |
| 1120 | int res = gethostbyname_r("localhost", &he, buf, sizeof(buf), &result, &err); |
| 1121 | ASSERT_EQ(ERANGE, res); |
| 1122 | EXPECT_NOT_POISONED(err); |
| 1123 | } |
| 1124 | |
Evgeniy Stepanov | 0a2cc37 | 2013-05-23 11:10:23 +0000 | [diff] [blame] | 1125 | TEST(MemorySanitizer, gethostbyname2_r) { |
| 1126 | char buf[2000]; |
| 1127 | struct hostent he; |
| 1128 | struct hostent *result; |
| 1129 | int err; |
| 1130 | int res = gethostbyname2_r("localhost", AF_INET, &he, buf, sizeof(buf), |
| 1131 | &result, &err); |
| 1132 | ASSERT_EQ(0, res); |
| 1133 | EXPECT_NOT_POISONED(result); |
| 1134 | ASSERT_NE((void *)NULL, result); |
| 1135 | EXPECT_HOSTENT_NOT_POISONED(result); |
| 1136 | EXPECT_NOT_POISONED(err); |
| 1137 | } |
| 1138 | |
| 1139 | TEST(MemorySanitizer, gethostbyaddr_r) { |
| 1140 | char buf[2000]; |
| 1141 | struct hostent he; |
| 1142 | struct hostent *result; |
| 1143 | int err; |
| 1144 | in_addr_t addr = inet_addr("127.0.0.1"); |
| 1145 | EXPECT_NOT_POISONED(addr); |
| 1146 | int res = gethostbyaddr_r(&addr, sizeof(addr), AF_INET, &he, buf, sizeof(buf), |
| 1147 | &result, &err); |
| 1148 | ASSERT_EQ(0, res); |
| 1149 | EXPECT_NOT_POISONED(result); |
| 1150 | ASSERT_NE((void *)NULL, result); |
| 1151 | EXPECT_HOSTENT_NOT_POISONED(result); |
| 1152 | EXPECT_NOT_POISONED(err); |
| 1153 | } |
| 1154 | |
Evgeniy Stepanov | f32be42 | 2013-05-23 11:38:08 +0000 | [diff] [blame] | 1155 | TEST(MemorySanitizer, getsockopt) { |
| 1156 | int sock = socket(AF_UNIX, SOCK_STREAM, 0); |
| 1157 | struct linger l[2]; |
| 1158 | socklen_t sz = sizeof(l[0]); |
| 1159 | int res = getsockopt(sock, SOL_SOCKET, SO_LINGER, &l[0], &sz); |
| 1160 | ASSERT_EQ(0, res); |
| 1161 | ASSERT_EQ(sizeof(l[0]), sz); |
| 1162 | EXPECT_NOT_POISONED(l[0]); |
| 1163 | EXPECT_POISONED(*(char *)(l + 1)); |
| 1164 | } |
| 1165 | |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 1166 | TEST(MemorySanitizer, getcwd) { |
| 1167 | char path[PATH_MAX + 1]; |
| 1168 | char* res = getcwd(path, sizeof(path)); |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 1169 | ASSERT_TRUE(res != NULL); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 1170 | EXPECT_NOT_POISONED(path[0]); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 1171 | } |
| 1172 | |
Evgeniy Stepanov | 7eed04c | 2013-02-12 14:36:22 +0000 | [diff] [blame] | 1173 | TEST(MemorySanitizer, getcwd_gnu) { |
| 1174 | char* res = getcwd(NULL, 0); |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 1175 | ASSERT_TRUE(res != NULL); |
Evgeniy Stepanov | 7eed04c | 2013-02-12 14:36:22 +0000 | [diff] [blame] | 1176 | EXPECT_NOT_POISONED(res[0]); |
| 1177 | free(res); |
| 1178 | } |
| 1179 | |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 1180 | // There's no get_current_dir_name() on FreeBSD. |
| 1181 | #if !defined(__FreeBSD__) |
Evgeniy Stepanov | 8014489 | 2013-07-02 13:34:44 +0000 | [diff] [blame] | 1182 | TEST(MemorySanitizer, get_current_dir_name) { |
| 1183 | char* res = get_current_dir_name(); |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 1184 | ASSERT_TRUE(res != NULL); |
Evgeniy Stepanov | 8014489 | 2013-07-02 13:34:44 +0000 | [diff] [blame] | 1185 | EXPECT_NOT_POISONED(res[0]); |
| 1186 | free(res); |
| 1187 | } |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 1188 | #endif |
Evgeniy Stepanov | 8014489 | 2013-07-02 13:34:44 +0000 | [diff] [blame] | 1189 | |
Evgeniy Stepanov | 10362d6 | 2013-10-24 14:47:34 +0000 | [diff] [blame] | 1190 | TEST(MemorySanitizer, shmctl) { |
| 1191 | int id = shmget(IPC_PRIVATE, 4096, 0644 | IPC_CREAT); |
| 1192 | ASSERT_GT(id, -1); |
| 1193 | |
| 1194 | struct shmid_ds ds; |
| 1195 | int res = shmctl(id, IPC_STAT, &ds); |
| 1196 | ASSERT_GT(res, -1); |
| 1197 | EXPECT_NOT_POISONED(ds); |
| 1198 | |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 1199 | // FreeBSD does not support shmctl(IPC_INFO) and shmctl(SHM_INFO). |
| 1200 | #if !defined(__FreeBSD__) |
Evgeniy Stepanov | 10362d6 | 2013-10-24 14:47:34 +0000 | [diff] [blame] | 1201 | struct shminfo si; |
| 1202 | res = shmctl(id, IPC_INFO, (struct shmid_ds *)&si); |
| 1203 | ASSERT_GT(res, -1); |
| 1204 | EXPECT_NOT_POISONED(si); |
| 1205 | |
| 1206 | struct shm_info s_i; |
| 1207 | res = shmctl(id, SHM_INFO, (struct shmid_ds *)&s_i); |
| 1208 | ASSERT_GT(res, -1); |
| 1209 | EXPECT_NOT_POISONED(s_i); |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 1210 | #endif |
Evgeniy Stepanov | 10362d6 | 2013-10-24 14:47:34 +0000 | [diff] [blame] | 1211 | |
| 1212 | res = shmctl(id, IPC_RMID, 0); |
| 1213 | ASSERT_GT(res, -1); |
| 1214 | } |
| 1215 | |
Evgeniy Stepanov | f360389 | 2013-10-29 02:48:49 +0000 | [diff] [blame] | 1216 | TEST(MemorySanitizer, shmat) { |
| 1217 | void *p = mmap(NULL, 4096, PROT_READ | PROT_WRITE, |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 1218 | MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); |
Evgeniy Stepanov | f360389 | 2013-10-29 02:48:49 +0000 | [diff] [blame] | 1219 | ASSERT_NE(MAP_FAILED, p); |
| 1220 | |
| 1221 | ((char *)p)[10] = *GetPoisoned<U1>(); |
| 1222 | ((char *)p)[4095] = *GetPoisoned<U1>(); |
| 1223 | |
| 1224 | int res = munmap(p, 4096); |
| 1225 | ASSERT_EQ(0, res); |
| 1226 | |
| 1227 | int id = shmget(IPC_PRIVATE, 4096, 0644 | IPC_CREAT); |
| 1228 | ASSERT_GT(id, -1); |
| 1229 | |
| 1230 | void *q = shmat(id, p, 0); |
| 1231 | ASSERT_EQ(p, q); |
| 1232 | |
| 1233 | EXPECT_NOT_POISONED(((char *)q)[0]); |
| 1234 | EXPECT_NOT_POISONED(((char *)q)[10]); |
| 1235 | EXPECT_NOT_POISONED(((char *)q)[4095]); |
| 1236 | |
| 1237 | res = shmdt(q); |
| 1238 | ASSERT_EQ(0, res); |
| 1239 | |
| 1240 | res = shmctl(id, IPC_RMID, 0); |
| 1241 | ASSERT_GT(res, -1); |
| 1242 | } |
| 1243 | |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 1244 | // There's no random_r() on FreeBSD. |
| 1245 | #if !defined(__FreeBSD__) |
Evgeniy Stepanov | aff25aa | 2013-10-25 08:58:13 +0000 | [diff] [blame] | 1246 | TEST(MemorySanitizer, random_r) { |
| 1247 | int32_t x; |
| 1248 | char z[64]; |
Evgeniy Stepanov | aff25aa | 2013-10-25 08:58:13 +0000 | [diff] [blame] | 1249 | memset(z, 0, sizeof(z)); |
Evgeniy Stepanov | e46ecb1 | 2013-10-25 13:03:20 +0000 | [diff] [blame] | 1250 | |
| 1251 | struct random_data buf; |
| 1252 | memset(&buf, 0, sizeof(buf)); |
| 1253 | |
Evgeniy Stepanov | aff25aa | 2013-10-25 08:58:13 +0000 | [diff] [blame] | 1254 | int res = initstate_r(0, z, sizeof(z), &buf); |
| 1255 | ASSERT_EQ(0, res); |
| 1256 | |
| 1257 | res = random_r(&buf, &x); |
| 1258 | ASSERT_EQ(0, res); |
| 1259 | EXPECT_NOT_POISONED(x); |
| 1260 | } |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 1261 | #endif |
Evgeniy Stepanov | 10362d6 | 2013-10-24 14:47:34 +0000 | [diff] [blame] | 1262 | |
Evgeniy Stepanov | 5ec19bc | 2013-07-30 12:46:59 +0000 | [diff] [blame] | 1263 | TEST(MemorySanitizer, confstr) { |
| 1264 | char buf[3]; |
| 1265 | size_t res = confstr(_CS_PATH, buf, sizeof(buf)); |
| 1266 | ASSERT_GT(res, sizeof(buf)); |
| 1267 | EXPECT_NOT_POISONED(buf[0]); |
| 1268 | EXPECT_NOT_POISONED(buf[sizeof(buf) - 1]); |
| 1269 | |
| 1270 | char buf2[1000]; |
| 1271 | res = confstr(_CS_PATH, buf2, sizeof(buf2)); |
| 1272 | ASSERT_LT(res, sizeof(buf2)); |
| 1273 | EXPECT_NOT_POISONED(buf2[0]); |
| 1274 | EXPECT_NOT_POISONED(buf2[res - 1]); |
| 1275 | EXPECT_POISONED(buf2[res]); |
| 1276 | ASSERT_EQ(res, strlen(buf2) + 1); |
| 1277 | } |
| 1278 | |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 1279 | TEST(MemorySanitizer, opendir) { |
| 1280 | DIR *dir = opendir("."); |
| 1281 | closedir(dir); |
| 1282 | |
| 1283 | char name[10] = "."; |
| 1284 | __msan_poison(name, sizeof(name)); |
| 1285 | EXPECT_UMR(dir = opendir(name)); |
| 1286 | closedir(dir); |
| 1287 | } |
| 1288 | |
Evgeniy Stepanov | d97a15a | 2013-03-14 12:49:23 +0000 | [diff] [blame] | 1289 | TEST(MemorySanitizer, readdir) { |
| 1290 | DIR *dir = opendir("."); |
| 1291 | struct dirent *d = readdir(dir); |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 1292 | ASSERT_TRUE(d != NULL); |
Evgeniy Stepanov | d97a15a | 2013-03-14 12:49:23 +0000 | [diff] [blame] | 1293 | EXPECT_NOT_POISONED(d->d_name[0]); |
| 1294 | closedir(dir); |
| 1295 | } |
| 1296 | |
Evgeniy Stepanov | b5cf98f | 2013-06-26 15:00:53 +0000 | [diff] [blame] | 1297 | TEST(MemorySanitizer, readdir_r) { |
| 1298 | DIR *dir = opendir("."); |
| 1299 | struct dirent d; |
| 1300 | struct dirent *pd; |
| 1301 | int res = readdir_r(dir, &d, &pd); |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 1302 | ASSERT_EQ(0, res); |
Evgeniy Stepanov | b5cf98f | 2013-06-26 15:00:53 +0000 | [diff] [blame] | 1303 | EXPECT_NOT_POISONED(pd); |
| 1304 | EXPECT_NOT_POISONED(d.d_name[0]); |
| 1305 | closedir(dir); |
| 1306 | } |
| 1307 | |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 1308 | TEST(MemorySanitizer, realpath) { |
| 1309 | const char* relpath = "."; |
| 1310 | char path[PATH_MAX + 1]; |
| 1311 | char* res = realpath(relpath, path); |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 1312 | ASSERT_TRUE(res != NULL); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 1313 | EXPECT_NOT_POISONED(path[0]); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 1314 | } |
| 1315 | |
Evgeniy Stepanov | 12eb79d | 2013-07-09 09:53:37 +0000 | [diff] [blame] | 1316 | TEST(MemorySanitizer, realpath_null) { |
| 1317 | const char* relpath = "."; |
| 1318 | char* res = realpath(relpath, NULL); |
| 1319 | printf("%d, %s\n", errno, strerror(errno)); |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 1320 | ASSERT_TRUE(res != NULL); |
Evgeniy Stepanov | 12eb79d | 2013-07-09 09:53:37 +0000 | [diff] [blame] | 1321 | EXPECT_NOT_POISONED(res[0]); |
| 1322 | free(res); |
| 1323 | } |
| 1324 | |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 1325 | // There's no canonicalize_file_name() on FreeBSD. |
| 1326 | #if !defined(__FreeBSD__) |
Evgeniy Stepanov | 12eb79d | 2013-07-09 09:53:37 +0000 | [diff] [blame] | 1327 | TEST(MemorySanitizer, canonicalize_file_name) { |
| 1328 | const char* relpath = "."; |
| 1329 | char* res = canonicalize_file_name(relpath); |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 1330 | ASSERT_TRUE(res != NULL); |
Evgeniy Stepanov | 12eb79d | 2013-07-09 09:53:37 +0000 | [diff] [blame] | 1331 | EXPECT_NOT_POISONED(res[0]); |
| 1332 | free(res); |
| 1333 | } |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 1334 | #endif |
Evgeniy Stepanov | 12eb79d | 2013-07-09 09:53:37 +0000 | [diff] [blame] | 1335 | |
Evgeniy Stepanov | 534e2ba | 2013-08-01 11:14:14 +0000 | [diff] [blame] | 1336 | extern char **environ; |
| 1337 | |
| 1338 | TEST(MemorySanitizer, setenv) { |
| 1339 | setenv("AAA", "BBB", 1); |
| 1340 | for (char **envp = environ; *envp; ++envp) { |
| 1341 | EXPECT_NOT_POISONED(*envp); |
| 1342 | EXPECT_NOT_POISONED(*envp[0]); |
| 1343 | } |
| 1344 | } |
| 1345 | |
| 1346 | TEST(MemorySanitizer, putenv) { |
| 1347 | char s[] = "AAA=BBB"; |
| 1348 | putenv(s); |
| 1349 | for (char **envp = environ; *envp; ++envp) { |
| 1350 | EXPECT_NOT_POISONED(*envp); |
| 1351 | EXPECT_NOT_POISONED(*envp[0]); |
| 1352 | } |
| 1353 | } |
| 1354 | |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 1355 | TEST(MemorySanitizer, memcpy) { |
| 1356 | char* x = new char[2]; |
| 1357 | char* y = new char[2]; |
| 1358 | x[0] = 1; |
| 1359 | x[1] = *GetPoisoned<char>(); |
| 1360 | memcpy(y, x, 2); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 1361 | EXPECT_NOT_POISONED(y[0]); |
| 1362 | EXPECT_POISONED(y[1]); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 1363 | } |
| 1364 | |
Stephen Hines | 6a211c5 | 2014-07-21 00:49:56 -0700 | [diff] [blame] | 1365 | void TestUnalignedMemcpy(unsigned left, unsigned right, bool src_is_aligned, |
| 1366 | bool src_is_poisoned, bool dst_is_poisoned) { |
| 1367 | fprintf(stderr, "%s(%d, %d, %d, %d, %d)\n", __func__, left, right, |
| 1368 | src_is_aligned, src_is_poisoned, dst_is_poisoned); |
| 1369 | |
| 1370 | const unsigned sz = 20; |
| 1371 | U4 dst_origin, src_origin; |
Evgeniy Stepanov | 450eee6 | 2013-10-24 11:56:03 +0000 | [diff] [blame] | 1372 | char *dst = (char *)malloc(sz); |
Stephen Hines | 6a211c5 | 2014-07-21 00:49:56 -0700 | [diff] [blame] | 1373 | if (dst_is_poisoned) |
| 1374 | dst_origin = __msan_get_origin(dst); |
| 1375 | else |
| 1376 | memset(dst, 0, sz); |
Evgeniy Stepanov | 450eee6 | 2013-10-24 11:56:03 +0000 | [diff] [blame] | 1377 | |
| 1378 | char *src = (char *)malloc(sz); |
Stephen Hines | 6a211c5 | 2014-07-21 00:49:56 -0700 | [diff] [blame] | 1379 | if (src_is_poisoned) |
| 1380 | src_origin = __msan_get_origin(src); |
| 1381 | else |
| 1382 | memset(src, 0, sz); |
Evgeniy Stepanov | 450eee6 | 2013-10-24 11:56:03 +0000 | [diff] [blame] | 1383 | |
| 1384 | memcpy(dst + left, src_is_aligned ? src + left : src, sz - left - right); |
Stephen Hines | 6a211c5 | 2014-07-21 00:49:56 -0700 | [diff] [blame] | 1385 | |
| 1386 | for (unsigned i = 0; i < (left & (~3U)); ++i) |
| 1387 | if (dst_is_poisoned) |
| 1388 | EXPECT_POISONED_O(dst[i], dst_origin); |
| 1389 | else |
| 1390 | EXPECT_NOT_POISONED(dst[i]); |
| 1391 | |
| 1392 | for (unsigned i = 0; i < (right & (~3U)); ++i) |
| 1393 | if (dst_is_poisoned) |
| 1394 | EXPECT_POISONED_O(dst[sz - i - 1], dst_origin); |
| 1395 | else |
| 1396 | EXPECT_NOT_POISONED(dst[sz - i - 1]); |
| 1397 | |
| 1398 | for (unsigned i = left; i < sz - right; ++i) |
| 1399 | if (src_is_poisoned) |
| 1400 | EXPECT_POISONED_O(dst[i], src_origin); |
| 1401 | else |
| 1402 | EXPECT_NOT_POISONED(dst[i]); |
Evgeniy Stepanov | 450eee6 | 2013-10-24 11:56:03 +0000 | [diff] [blame] | 1403 | |
| 1404 | free(dst); |
| 1405 | free(src); |
| 1406 | } |
| 1407 | |
| 1408 | TEST(MemorySanitizer, memcpy_unaligned) { |
Stephen Hines | 6a211c5 | 2014-07-21 00:49:56 -0700 | [diff] [blame] | 1409 | for (int i = 0; i < 10; ++i) |
| 1410 | for (int j = 0; j < 10; ++j) |
| 1411 | for (int aligned = 0; aligned < 2; ++aligned) |
| 1412 | for (int srcp = 0; srcp < 2; ++srcp) |
| 1413 | for (int dstp = 0; dstp < 2; ++dstp) |
| 1414 | TestUnalignedMemcpy(i, j, aligned, srcp, dstp); |
Evgeniy Stepanov | 450eee6 | 2013-10-24 11:56:03 +0000 | [diff] [blame] | 1415 | } |
| 1416 | |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 1417 | TEST(MemorySanitizer, memmove) { |
| 1418 | char* x = new char[2]; |
| 1419 | char* y = new char[2]; |
| 1420 | x[0] = 1; |
| 1421 | x[1] = *GetPoisoned<char>(); |
| 1422 | memmove(y, x, 2); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 1423 | EXPECT_NOT_POISONED(y[0]); |
| 1424 | EXPECT_POISONED(y[1]); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 1425 | } |
| 1426 | |
Evgeniy Stepanov | 5492ff9 | 2013-11-01 23:49:48 +0000 | [diff] [blame] | 1427 | TEST(MemorySanitizer, memccpy_nomatch) { |
| 1428 | char* x = new char[5]; |
| 1429 | char* y = new char[5]; |
| 1430 | strcpy(x, "abc"); |
| 1431 | memccpy(y, x, 'd', 4); |
| 1432 | EXPECT_NOT_POISONED(y[0]); |
| 1433 | EXPECT_NOT_POISONED(y[1]); |
| 1434 | EXPECT_NOT_POISONED(y[2]); |
| 1435 | EXPECT_NOT_POISONED(y[3]); |
| 1436 | EXPECT_POISONED(y[4]); |
| 1437 | delete[] x; |
| 1438 | delete[] y; |
| 1439 | } |
| 1440 | |
| 1441 | TEST(MemorySanitizer, memccpy_match) { |
| 1442 | char* x = new char[5]; |
| 1443 | char* y = new char[5]; |
| 1444 | strcpy(x, "abc"); |
| 1445 | memccpy(y, x, 'b', 4); |
| 1446 | EXPECT_NOT_POISONED(y[0]); |
| 1447 | EXPECT_NOT_POISONED(y[1]); |
| 1448 | EXPECT_POISONED(y[2]); |
| 1449 | EXPECT_POISONED(y[3]); |
| 1450 | EXPECT_POISONED(y[4]); |
| 1451 | delete[] x; |
| 1452 | delete[] y; |
| 1453 | } |
| 1454 | |
| 1455 | TEST(MemorySanitizer, memccpy_nomatch_positive) { |
| 1456 | char* x = new char[5]; |
| 1457 | char* y = new char[5]; |
| 1458 | strcpy(x, "abc"); |
| 1459 | EXPECT_UMR(memccpy(y, x, 'd', 5)); |
| 1460 | delete[] x; |
| 1461 | delete[] y; |
| 1462 | } |
| 1463 | |
| 1464 | TEST(MemorySanitizer, memccpy_match_positive) { |
| 1465 | char* x = new char[5]; |
| 1466 | char* y = new char[5]; |
| 1467 | x[0] = 'a'; |
| 1468 | x[2] = 'b'; |
| 1469 | EXPECT_UMR(memccpy(y, x, 'b', 5)); |
| 1470 | delete[] x; |
| 1471 | delete[] y; |
| 1472 | } |
| 1473 | |
Evgeniy Stepanov | ff6c9fb | 2013-07-04 13:19:41 +0000 | [diff] [blame] | 1474 | TEST(MemorySanitizer, bcopy) { |
| 1475 | char* x = new char[2]; |
| 1476 | char* y = new char[2]; |
| 1477 | x[0] = 1; |
| 1478 | x[1] = *GetPoisoned<char>(); |
| 1479 | bcopy(x, y, 2); |
| 1480 | EXPECT_NOT_POISONED(y[0]); |
| 1481 | EXPECT_POISONED(y[1]); |
| 1482 | } |
| 1483 | |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 1484 | TEST(MemorySanitizer, strdup) { |
Evgeniy Stepanov | 8aa1ae0 | 2013-03-14 11:10:36 +0000 | [diff] [blame] | 1485 | char buf[4] = "abc"; |
| 1486 | __msan_poison(buf + 2, sizeof(*buf)); |
| 1487 | char *x = strdup(buf); |
| 1488 | EXPECT_NOT_POISONED(x[0]); |
| 1489 | EXPECT_NOT_POISONED(x[1]); |
| 1490 | EXPECT_POISONED(x[2]); |
| 1491 | EXPECT_NOT_POISONED(x[3]); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 1492 | free(x); |
| 1493 | } |
| 1494 | |
Evgeniy Stepanov | 8aa1ae0 | 2013-03-14 11:10:36 +0000 | [diff] [blame] | 1495 | TEST(MemorySanitizer, strndup) { |
| 1496 | char buf[4] = "abc"; |
| 1497 | __msan_poison(buf + 2, sizeof(*buf)); |
| 1498 | char *x = strndup(buf, 3); |
| 1499 | EXPECT_NOT_POISONED(x[0]); |
| 1500 | EXPECT_NOT_POISONED(x[1]); |
| 1501 | EXPECT_POISONED(x[2]); |
| 1502 | EXPECT_NOT_POISONED(x[3]); |
| 1503 | free(x); |
| 1504 | } |
| 1505 | |
| 1506 | TEST(MemorySanitizer, strndup_short) { |
| 1507 | char buf[4] = "abc"; |
| 1508 | __msan_poison(buf + 1, sizeof(*buf)); |
| 1509 | __msan_poison(buf + 2, sizeof(*buf)); |
| 1510 | char *x = strndup(buf, 2); |
| 1511 | EXPECT_NOT_POISONED(x[0]); |
| 1512 | EXPECT_POISONED(x[1]); |
Evgeniy Stepanov | 1d21bd1 | 2013-03-14 11:58:13 +0000 | [diff] [blame] | 1513 | EXPECT_NOT_POISONED(x[2]); |
Evgeniy Stepanov | 8aa1ae0 | 2013-03-14 11:10:36 +0000 | [diff] [blame] | 1514 | free(x); |
| 1515 | } |
| 1516 | |
| 1517 | |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 1518 | template<class T, int size> |
| 1519 | void TestOverlapMemmove() { |
| 1520 | T *x = new T[size]; |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 1521 | ASSERT_GE(size, 3); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 1522 | x[2] = 0; |
| 1523 | memmove(x, x + 1, (size - 1) * sizeof(T)); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 1524 | EXPECT_NOT_POISONED(x[1]); |
Stephen Hines | 6d18623 | 2014-11-26 17:56:19 -0800 | [diff] [blame] | 1525 | EXPECT_POISONED(x[0]); |
| 1526 | EXPECT_POISONED(x[2]); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 1527 | delete [] x; |
| 1528 | } |
| 1529 | |
| 1530 | TEST(MemorySanitizer, overlap_memmove) { |
| 1531 | TestOverlapMemmove<U1, 10>(); |
| 1532 | TestOverlapMemmove<U1, 1000>(); |
| 1533 | TestOverlapMemmove<U8, 4>(); |
| 1534 | TestOverlapMemmove<U8, 1000>(); |
| 1535 | } |
| 1536 | |
| 1537 | TEST(MemorySanitizer, strcpy) { // NOLINT |
| 1538 | char* x = new char[3]; |
| 1539 | char* y = new char[3]; |
| 1540 | x[0] = 'a'; |
| 1541 | x[1] = *GetPoisoned<char>(1, 1); |
| 1542 | x[2] = 0; |
| 1543 | strcpy(y, x); // NOLINT |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 1544 | EXPECT_NOT_POISONED(y[0]); |
| 1545 | EXPECT_POISONED(y[1]); |
| 1546 | EXPECT_NOT_POISONED(y[2]); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 1547 | } |
| 1548 | |
| 1549 | TEST(MemorySanitizer, strncpy) { // NOLINT |
| 1550 | char* x = new char[3]; |
Stephen Hines | 6d18623 | 2014-11-26 17:56:19 -0800 | [diff] [blame] | 1551 | char* y = new char[5]; |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 1552 | x[0] = 'a'; |
| 1553 | x[1] = *GetPoisoned<char>(1, 1); |
Stephen Hines | 6d18623 | 2014-11-26 17:56:19 -0800 | [diff] [blame] | 1554 | x[2] = '\0'; |
| 1555 | strncpy(y, x, 4); // NOLINT |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 1556 | EXPECT_NOT_POISONED(y[0]); |
| 1557 | EXPECT_POISONED(y[1]); |
Stephen Hines | 6d18623 | 2014-11-26 17:56:19 -0800 | [diff] [blame] | 1558 | EXPECT_NOT_POISONED(y[2]); |
| 1559 | EXPECT_NOT_POISONED(y[3]); |
| 1560 | EXPECT_POISONED(y[4]); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 1561 | } |
| 1562 | |
Evgeniy Stepanov | 4bbbe13 | 2013-07-01 15:19:37 +0000 | [diff] [blame] | 1563 | TEST(MemorySanitizer, stpcpy) { // NOLINT |
| 1564 | char* x = new char[3]; |
| 1565 | char* y = new char[3]; |
| 1566 | x[0] = 'a'; |
| 1567 | x[1] = *GetPoisoned<char>(1, 1); |
| 1568 | x[2] = 0; |
| 1569 | char *res = stpcpy(y, x); // NOLINT |
| 1570 | ASSERT_EQ(res, y + 2); |
| 1571 | EXPECT_NOT_POISONED(y[0]); |
| 1572 | EXPECT_POISONED(y[1]); |
| 1573 | EXPECT_NOT_POISONED(y[2]); |
| 1574 | } |
| 1575 | |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 1576 | TEST(MemorySanitizer, strcat) { // NOLINT |
| 1577 | char a[10]; |
| 1578 | char b[] = "def"; |
| 1579 | strcpy(a, "abc"); |
| 1580 | __msan_poison(b + 1, 1); |
| 1581 | strcat(a, b); |
| 1582 | EXPECT_NOT_POISONED(a[3]); |
| 1583 | EXPECT_POISONED(a[4]); |
| 1584 | EXPECT_NOT_POISONED(a[5]); |
| 1585 | EXPECT_NOT_POISONED(a[6]); |
| 1586 | EXPECT_POISONED(a[7]); |
| 1587 | } |
| 1588 | |
| 1589 | TEST(MemorySanitizer, strncat) { // NOLINT |
| 1590 | char a[10]; |
| 1591 | char b[] = "def"; |
| 1592 | strcpy(a, "abc"); |
| 1593 | __msan_poison(b + 1, 1); |
| 1594 | strncat(a, b, 5); |
| 1595 | EXPECT_NOT_POISONED(a[3]); |
| 1596 | EXPECT_POISONED(a[4]); |
| 1597 | EXPECT_NOT_POISONED(a[5]); |
| 1598 | EXPECT_NOT_POISONED(a[6]); |
| 1599 | EXPECT_POISONED(a[7]); |
| 1600 | } |
| 1601 | |
| 1602 | TEST(MemorySanitizer, strncat_overflow) { // NOLINT |
| 1603 | char a[10]; |
| 1604 | char b[] = "def"; |
| 1605 | strcpy(a, "abc"); |
| 1606 | __msan_poison(b + 1, 1); |
| 1607 | strncat(a, b, 2); |
| 1608 | EXPECT_NOT_POISONED(a[3]); |
| 1609 | EXPECT_POISONED(a[4]); |
| 1610 | EXPECT_NOT_POISONED(a[5]); |
| 1611 | EXPECT_POISONED(a[6]); |
| 1612 | EXPECT_POISONED(a[7]); |
| 1613 | } |
| 1614 | |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 1615 | #define TEST_STRTO_INT(func_name, char_type, str_prefix) \ |
| 1616 | TEST(MemorySanitizer, func_name) { \ |
| 1617 | char_type *e; \ |
| 1618 | EXPECT_EQ(1U, func_name(str_prefix##"1", &e, 10)); \ |
| 1619 | EXPECT_NOT_POISONED((S8)e); \ |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 1620 | } |
| 1621 | |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 1622 | #define TEST_STRTO_FLOAT(func_name, char_type, str_prefix) \ |
| 1623 | TEST(MemorySanitizer, func_name) { \ |
| 1624 | char_type *e; \ |
| 1625 | EXPECT_NE(0, func_name(str_prefix##"1.5", &e)); \ |
| 1626 | EXPECT_NOT_POISONED((S8)e); \ |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 1627 | } |
| 1628 | |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 1629 | #define TEST_STRTO_FLOAT_LOC(func_name, char_type, str_prefix) \ |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 1630 | TEST(MemorySanitizer, func_name) { \ |
| 1631 | locale_t loc = newlocale(LC_NUMERIC_MASK, "C", (locale_t)0); \ |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 1632 | char_type *e; \ |
| 1633 | EXPECT_NE(0, func_name(str_prefix##"1.5", &e, loc)); \ |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 1634 | EXPECT_NOT_POISONED((S8)e); \ |
| 1635 | freelocale(loc); \ |
| 1636 | } |
| 1637 | |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 1638 | #define TEST_STRTO_INT_LOC(func_name, char_type, str_prefix) \ |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 1639 | TEST(MemorySanitizer, func_name) { \ |
| 1640 | locale_t loc = newlocale(LC_NUMERIC_MASK, "C", (locale_t)0); \ |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 1641 | char_type *e; \ |
| 1642 | ASSERT_EQ(1U, func_name(str_prefix##"1", &e, 10, loc)); \ |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 1643 | EXPECT_NOT_POISONED((S8)e); \ |
| 1644 | freelocale(loc); \ |
| 1645 | } |
| 1646 | |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 1647 | TEST_STRTO_INT(strtol, char, ) |
| 1648 | TEST_STRTO_INT(strtoll, char, ) |
| 1649 | TEST_STRTO_INT(strtoul, char, ) |
| 1650 | TEST_STRTO_INT(strtoull, char, ) |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 1651 | |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 1652 | TEST_STRTO_FLOAT(strtof, char, ) |
| 1653 | TEST_STRTO_FLOAT(strtod, char, ) |
| 1654 | TEST_STRTO_FLOAT(strtold, char, ) |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 1655 | |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 1656 | TEST_STRTO_FLOAT_LOC(strtof_l, char, ) |
| 1657 | TEST_STRTO_FLOAT_LOC(strtod_l, char, ) |
| 1658 | TEST_STRTO_FLOAT_LOC(strtold_l, char, ) |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 1659 | |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 1660 | TEST_STRTO_INT_LOC(strtol_l, char, ) |
| 1661 | TEST_STRTO_INT_LOC(strtoll_l, char, ) |
| 1662 | TEST_STRTO_INT_LOC(strtoul_l, char, ) |
| 1663 | TEST_STRTO_INT_LOC(strtoull_l, char, ) |
| 1664 | |
| 1665 | TEST_STRTO_INT(wcstol, wchar_t, L) |
| 1666 | TEST_STRTO_INT(wcstoll, wchar_t, L) |
| 1667 | TEST_STRTO_INT(wcstoul, wchar_t, L) |
| 1668 | TEST_STRTO_INT(wcstoull, wchar_t, L) |
| 1669 | |
| 1670 | TEST_STRTO_FLOAT(wcstof, wchar_t, L) |
| 1671 | TEST_STRTO_FLOAT(wcstod, wchar_t, L) |
| 1672 | TEST_STRTO_FLOAT(wcstold, wchar_t, L) |
| 1673 | |
| 1674 | TEST_STRTO_FLOAT_LOC(wcstof_l, wchar_t, L) |
| 1675 | TEST_STRTO_FLOAT_LOC(wcstod_l, wchar_t, L) |
| 1676 | TEST_STRTO_FLOAT_LOC(wcstold_l, wchar_t, L) |
| 1677 | |
| 1678 | TEST_STRTO_INT_LOC(wcstol_l, wchar_t, L) |
| 1679 | TEST_STRTO_INT_LOC(wcstoll_l, wchar_t, L) |
| 1680 | TEST_STRTO_INT_LOC(wcstoul_l, wchar_t, L) |
| 1681 | TEST_STRTO_INT_LOC(wcstoull_l, wchar_t, L) |
| 1682 | |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 1683 | |
Stephen Hines | 6a211c5 | 2014-07-21 00:49:56 -0700 | [diff] [blame] | 1684 | TEST(MemorySanitizer, strtoimax) { |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 1685 | char *e; |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 1686 | ASSERT_EQ(1, strtoimax("1", &e, 10)); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 1687 | EXPECT_NOT_POISONED((S8) e); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 1688 | } |
| 1689 | |
Stephen Hines | 6a211c5 | 2014-07-21 00:49:56 -0700 | [diff] [blame] | 1690 | TEST(MemorySanitizer, strtoumax) { |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 1691 | char *e; |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 1692 | ASSERT_EQ(1U, strtoumax("1", &e, 10)); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 1693 | EXPECT_NOT_POISONED((S8) e); |
Evgeniy Stepanov | e03345b | 2013-01-17 13:42:17 +0000 | [diff] [blame] | 1694 | } |
| 1695 | |
Evgeniy Stepanov | 3f4beff | 2013-10-14 11:52:40 +0000 | [diff] [blame] | 1696 | #ifdef __GLIBC__ |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 1697 | extern "C" float __strtof_l(const char *nptr, char **endptr, locale_t loc); |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 1698 | TEST_STRTO_FLOAT_LOC(__strtof_l, char, ) |
Evgeniy Stepanov | 3f4beff | 2013-10-14 11:52:40 +0000 | [diff] [blame] | 1699 | extern "C" double __strtod_l(const char *nptr, char **endptr, locale_t loc); |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 1700 | TEST_STRTO_FLOAT_LOC(__strtod_l, char, ) |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 1701 | extern "C" long double __strtold_l(const char *nptr, char **endptr, |
| 1702 | locale_t loc); |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 1703 | TEST_STRTO_FLOAT_LOC(__strtold_l, char, ) |
| 1704 | |
| 1705 | extern "C" float __wcstof_l(const wchar_t *nptr, wchar_t **endptr, locale_t loc); |
| 1706 | TEST_STRTO_FLOAT_LOC(__wcstof_l, wchar_t, L) |
| 1707 | extern "C" double __wcstod_l(const wchar_t *nptr, wchar_t **endptr, locale_t loc); |
| 1708 | TEST_STRTO_FLOAT_LOC(__wcstod_l, wchar_t, L) |
| 1709 | extern "C" long double __wcstold_l(const wchar_t *nptr, wchar_t **endptr, |
| 1710 | locale_t loc); |
| 1711 | TEST_STRTO_FLOAT_LOC(__wcstold_l, wchar_t, L) |
Evgeniy Stepanov | 3f4beff | 2013-10-14 11:52:40 +0000 | [diff] [blame] | 1712 | #endif // __GLIBC__ |
| 1713 | |
Evgeniy Stepanov | c87088b | 2013-05-29 10:03:11 +0000 | [diff] [blame] | 1714 | TEST(MemorySanitizer, modf) { |
| 1715 | double x, y; |
| 1716 | x = modf(2.1, &y); |
| 1717 | EXPECT_NOT_POISONED(y); |
| 1718 | } |
| 1719 | |
| 1720 | TEST(MemorySanitizer, modff) { |
| 1721 | float x, y; |
| 1722 | x = modff(2.1, &y); |
| 1723 | EXPECT_NOT_POISONED(y); |
| 1724 | } |
| 1725 | |
| 1726 | TEST(MemorySanitizer, modfl) { |
| 1727 | long double x, y; |
| 1728 | x = modfl(2.1, &y); |
| 1729 | EXPECT_NOT_POISONED(y); |
| 1730 | } |
| 1731 | |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 1732 | // There's no sincos() on FreeBSD. |
| 1733 | #if !defined(__FreeBSD__) |
Evgeniy Stepanov | f814b43 | 2013-10-29 19:49:35 +0000 | [diff] [blame] | 1734 | TEST(MemorySanitizer, sincos) { |
| 1735 | double s, c; |
| 1736 | sincos(0.2, &s, &c); |
| 1737 | EXPECT_NOT_POISONED(s); |
| 1738 | EXPECT_NOT_POISONED(c); |
| 1739 | } |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 1740 | #endif |
Evgeniy Stepanov | f814b43 | 2013-10-29 19:49:35 +0000 | [diff] [blame] | 1741 | |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 1742 | // There's no sincosf() on FreeBSD. |
| 1743 | #if !defined(__FreeBSD__) |
Evgeniy Stepanov | f814b43 | 2013-10-29 19:49:35 +0000 | [diff] [blame] | 1744 | TEST(MemorySanitizer, sincosf) { |
| 1745 | float s, c; |
| 1746 | sincosf(0.2, &s, &c); |
| 1747 | EXPECT_NOT_POISONED(s); |
| 1748 | EXPECT_NOT_POISONED(c); |
| 1749 | } |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 1750 | #endif |
Evgeniy Stepanov | f814b43 | 2013-10-29 19:49:35 +0000 | [diff] [blame] | 1751 | |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 1752 | // There's no sincosl() on FreeBSD. |
| 1753 | #if !defined(__FreeBSD__) |
Evgeniy Stepanov | f814b43 | 2013-10-29 19:49:35 +0000 | [diff] [blame] | 1754 | TEST(MemorySanitizer, sincosl) { |
| 1755 | long double s, c; |
| 1756 | sincosl(0.2, &s, &c); |
| 1757 | EXPECT_NOT_POISONED(s); |
| 1758 | EXPECT_NOT_POISONED(c); |
| 1759 | } |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 1760 | #endif |
Evgeniy Stepanov | f814b43 | 2013-10-29 19:49:35 +0000 | [diff] [blame] | 1761 | |
| 1762 | TEST(MemorySanitizer, remquo) { |
| 1763 | int quo; |
| 1764 | double res = remquo(29.0, 3.0, &quo); |
| 1765 | ASSERT_NE(0.0, res); |
| 1766 | EXPECT_NOT_POISONED(quo); |
| 1767 | } |
| 1768 | |
| 1769 | TEST(MemorySanitizer, remquof) { |
| 1770 | int quo; |
| 1771 | float res = remquof(29.0, 3.0, &quo); |
| 1772 | ASSERT_NE(0.0, res); |
| 1773 | EXPECT_NOT_POISONED(quo); |
| 1774 | } |
| 1775 | |
| 1776 | TEST(MemorySanitizer, remquol) { |
| 1777 | int quo; |
| 1778 | long double res = remquof(29.0, 3.0, &quo); |
| 1779 | ASSERT_NE(0.0, res); |
| 1780 | EXPECT_NOT_POISONED(quo); |
| 1781 | } |
| 1782 | |
| 1783 | TEST(MemorySanitizer, lgamma) { |
| 1784 | double res = lgamma(1.1); |
| 1785 | ASSERT_NE(0.0, res); |
| 1786 | EXPECT_NOT_POISONED(signgam); |
| 1787 | } |
| 1788 | |
| 1789 | TEST(MemorySanitizer, lgammaf) { |
| 1790 | float res = lgammaf(1.1); |
| 1791 | ASSERT_NE(0.0, res); |
| 1792 | EXPECT_NOT_POISONED(signgam); |
| 1793 | } |
| 1794 | |
| 1795 | TEST(MemorySanitizer, lgammal) { |
| 1796 | long double res = lgammal(1.1); |
| 1797 | ASSERT_NE(0.0, res); |
| 1798 | EXPECT_NOT_POISONED(signgam); |
| 1799 | } |
| 1800 | |
| 1801 | TEST(MemorySanitizer, lgamma_r) { |
| 1802 | int sgn; |
| 1803 | double res = lgamma_r(1.1, &sgn); |
| 1804 | ASSERT_NE(0.0, res); |
| 1805 | EXPECT_NOT_POISONED(sgn); |
| 1806 | } |
| 1807 | |
| 1808 | TEST(MemorySanitizer, lgammaf_r) { |
| 1809 | int sgn; |
| 1810 | float res = lgammaf_r(1.1, &sgn); |
| 1811 | ASSERT_NE(0.0, res); |
| 1812 | EXPECT_NOT_POISONED(sgn); |
| 1813 | } |
| 1814 | |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 1815 | // There's no lgammal_r() on FreeBSD. |
| 1816 | #if !defined(__FreeBSD__) |
Evgeniy Stepanov | f814b43 | 2013-10-29 19:49:35 +0000 | [diff] [blame] | 1817 | TEST(MemorySanitizer, lgammal_r) { |
| 1818 | int sgn; |
| 1819 | long double res = lgammal_r(1.1, &sgn); |
| 1820 | ASSERT_NE(0.0, res); |
| 1821 | EXPECT_NOT_POISONED(sgn); |
| 1822 | } |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 1823 | #endif |
Evgeniy Stepanov | f814b43 | 2013-10-29 19:49:35 +0000 | [diff] [blame] | 1824 | |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 1825 | // There's no drand48_r() on FreeBSD. |
| 1826 | #if !defined(__FreeBSD__) |
Evgeniy Stepanov | 78d77c2 | 2013-10-29 22:25:27 +0000 | [diff] [blame] | 1827 | TEST(MemorySanitizer, drand48_r) { |
| 1828 | struct drand48_data buf; |
| 1829 | srand48_r(0, &buf); |
| 1830 | double d; |
| 1831 | drand48_r(&buf, &d); |
| 1832 | EXPECT_NOT_POISONED(d); |
| 1833 | } |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 1834 | #endif |
Evgeniy Stepanov | 78d77c2 | 2013-10-29 22:25:27 +0000 | [diff] [blame] | 1835 | |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 1836 | // There's no lrand48_r() on FreeBSD. |
| 1837 | #if !defined(__FreeBSD__) |
Evgeniy Stepanov | 78d77c2 | 2013-10-29 22:25:27 +0000 | [diff] [blame] | 1838 | TEST(MemorySanitizer, lrand48_r) { |
| 1839 | struct drand48_data buf; |
| 1840 | srand48_r(0, &buf); |
| 1841 | long d; |
| 1842 | lrand48_r(&buf, &d); |
| 1843 | EXPECT_NOT_POISONED(d); |
| 1844 | } |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 1845 | #endif |
Evgeniy Stepanov | 78d77c2 | 2013-10-29 22:25:27 +0000 | [diff] [blame] | 1846 | |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 1847 | TEST(MemorySanitizer, sprintf) { // NOLINT |
| 1848 | char buff[10]; |
Evgeniy Stepanov | 12c4693 | 2013-01-29 14:33:29 +0000 | [diff] [blame] | 1849 | break_optimization(buff); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 1850 | EXPECT_POISONED(buff[0]); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 1851 | int res = sprintf(buff, "%d", 1234567); // NOLINT |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 1852 | ASSERT_EQ(res, 7); |
| 1853 | ASSERT_EQ(buff[0], '1'); |
| 1854 | ASSERT_EQ(buff[1], '2'); |
| 1855 | ASSERT_EQ(buff[2], '3'); |
| 1856 | ASSERT_EQ(buff[6], '7'); |
| 1857 | ASSERT_EQ(buff[7], 0); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 1858 | EXPECT_POISONED(buff[8]); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 1859 | } |
| 1860 | |
| 1861 | TEST(MemorySanitizer, snprintf) { |
| 1862 | char buff[10]; |
Evgeniy Stepanov | 12c4693 | 2013-01-29 14:33:29 +0000 | [diff] [blame] | 1863 | break_optimization(buff); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 1864 | EXPECT_POISONED(buff[0]); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 1865 | int res = snprintf(buff, sizeof(buff), "%d", 1234567); |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 1866 | ASSERT_EQ(res, 7); |
| 1867 | ASSERT_EQ(buff[0], '1'); |
| 1868 | ASSERT_EQ(buff[1], '2'); |
| 1869 | ASSERT_EQ(buff[2], '3'); |
| 1870 | ASSERT_EQ(buff[6], '7'); |
| 1871 | ASSERT_EQ(buff[7], 0); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 1872 | EXPECT_POISONED(buff[8]); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 1873 | } |
| 1874 | |
| 1875 | TEST(MemorySanitizer, swprintf) { |
| 1876 | wchar_t buff[10]; |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 1877 | ASSERT_EQ(4U, sizeof(wchar_t)); |
Evgeniy Stepanov | 12c4693 | 2013-01-29 14:33:29 +0000 | [diff] [blame] | 1878 | break_optimization(buff); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 1879 | EXPECT_POISONED(buff[0]); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 1880 | int res = swprintf(buff, 9, L"%d", 1234567); |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 1881 | ASSERT_EQ(res, 7); |
| 1882 | ASSERT_EQ(buff[0], '1'); |
| 1883 | ASSERT_EQ(buff[1], '2'); |
| 1884 | ASSERT_EQ(buff[2], '3'); |
| 1885 | ASSERT_EQ(buff[6], '7'); |
Pirama Arumuga Nainar | 799172d | 2016-03-03 15:50:30 -0800 | [diff] [blame^] | 1886 | ASSERT_EQ(buff[7], L'\0'); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 1887 | EXPECT_POISONED(buff[8]); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 1888 | } |
| 1889 | |
Evgeniy Stepanov | 0797ed4 | 2013-06-21 13:32:26 +0000 | [diff] [blame] | 1890 | TEST(MemorySanitizer, asprintf) { // NOLINT |
| 1891 | char *pbuf; |
| 1892 | EXPECT_POISONED(pbuf); |
| 1893 | int res = asprintf(&pbuf, "%d", 1234567); // NOLINT |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 1894 | ASSERT_EQ(res, 7); |
Evgeniy Stepanov | 0797ed4 | 2013-06-21 13:32:26 +0000 | [diff] [blame] | 1895 | EXPECT_NOT_POISONED(pbuf); |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 1896 | ASSERT_EQ(pbuf[0], '1'); |
| 1897 | ASSERT_EQ(pbuf[1], '2'); |
| 1898 | ASSERT_EQ(pbuf[2], '3'); |
| 1899 | ASSERT_EQ(pbuf[6], '7'); |
| 1900 | ASSERT_EQ(pbuf[7], 0); |
Evgeniy Stepanov | 0797ed4 | 2013-06-21 13:32:26 +0000 | [diff] [blame] | 1901 | free(pbuf); |
| 1902 | } |
| 1903 | |
Alexey Samsonov | e43d210 | 2013-07-12 11:59:58 +0000 | [diff] [blame] | 1904 | TEST(MemorySanitizer, mbstowcs) { |
| 1905 | const char *x = "abc"; |
| 1906 | wchar_t buff[10]; |
| 1907 | int res = mbstowcs(buff, x, 2); |
| 1908 | EXPECT_EQ(2, res); |
| 1909 | EXPECT_EQ(L'a', buff[0]); |
| 1910 | EXPECT_EQ(L'b', buff[1]); |
| 1911 | EXPECT_POISONED(buff[2]); |
| 1912 | res = mbstowcs(buff, x, 10); |
| 1913 | EXPECT_EQ(3, res); |
| 1914 | EXPECT_NOT_POISONED(buff[3]); |
| 1915 | } |
| 1916 | |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 1917 | TEST(MemorySanitizer, wcstombs) { |
| 1918 | const wchar_t *x = L"abc"; |
| 1919 | char buff[10]; |
| 1920 | int res = wcstombs(buff, x, 4); |
| 1921 | EXPECT_EQ(res, 3); |
| 1922 | EXPECT_EQ(buff[0], 'a'); |
| 1923 | EXPECT_EQ(buff[1], 'b'); |
| 1924 | EXPECT_EQ(buff[2], 'c'); |
| 1925 | } |
| 1926 | |
Evgeniy Stepanov | ff6c9fb | 2013-07-04 13:19:41 +0000 | [diff] [blame] | 1927 | TEST(MemorySanitizer, wcsrtombs) { |
| 1928 | const wchar_t *x = L"abc"; |
| 1929 | const wchar_t *p = x; |
| 1930 | char buff[10]; |
| 1931 | mbstate_t mbs; |
Evgeniy Stepanov | 57a1095 | 2013-07-10 14:17:46 +0000 | [diff] [blame] | 1932 | memset(&mbs, 0, sizeof(mbs)); |
Evgeniy Stepanov | ff6c9fb | 2013-07-04 13:19:41 +0000 | [diff] [blame] | 1933 | int res = wcsrtombs(buff, &p, 4, &mbs); |
| 1934 | EXPECT_EQ(res, 3); |
| 1935 | EXPECT_EQ(buff[0], 'a'); |
| 1936 | EXPECT_EQ(buff[1], 'b'); |
| 1937 | EXPECT_EQ(buff[2], 'c'); |
Evgeniy Stepanov | 9b21ba6 | 2013-07-10 14:01:51 +0000 | [diff] [blame] | 1938 | EXPECT_EQ(buff[3], '\0'); |
| 1939 | EXPECT_POISONED(buff[4]); |
Evgeniy Stepanov | ff6c9fb | 2013-07-04 13:19:41 +0000 | [diff] [blame] | 1940 | } |
| 1941 | |
| 1942 | TEST(MemorySanitizer, wcsnrtombs) { |
| 1943 | const wchar_t *x = L"abc"; |
| 1944 | const wchar_t *p = x; |
| 1945 | char buff[10]; |
| 1946 | mbstate_t mbs; |
Evgeniy Stepanov | 57a1095 | 2013-07-10 14:17:46 +0000 | [diff] [blame] | 1947 | memset(&mbs, 0, sizeof(mbs)); |
Evgeniy Stepanov | ff6c9fb | 2013-07-04 13:19:41 +0000 | [diff] [blame] | 1948 | int res = wcsnrtombs(buff, &p, 2, 4, &mbs); |
| 1949 | EXPECT_EQ(res, 2); |
| 1950 | EXPECT_EQ(buff[0], 'a'); |
| 1951 | EXPECT_EQ(buff[1], 'b'); |
Evgeniy Stepanov | 9b21ba6 | 2013-07-10 14:01:51 +0000 | [diff] [blame] | 1952 | EXPECT_POISONED(buff[2]); |
Evgeniy Stepanov | ff6c9fb | 2013-07-04 13:19:41 +0000 | [diff] [blame] | 1953 | } |
| 1954 | |
Pirama Arumuga Nainar | 799172d | 2016-03-03 15:50:30 -0800 | [diff] [blame^] | 1955 | TEST(MemorySanitizer, wcrtomb) { |
| 1956 | wchar_t x = L'a'; |
| 1957 | char buff[10]; |
| 1958 | mbstate_t mbs; |
| 1959 | memset(&mbs, 0, sizeof(mbs)); |
| 1960 | size_t res = wcrtomb(buff, x, &mbs); |
| 1961 | EXPECT_EQ(res, (size_t)1); |
| 1962 | EXPECT_EQ(buff[0], 'a'); |
| 1963 | } |
| 1964 | |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 1965 | TEST(MemorySanitizer, wmemset) { |
| 1966 | wchar_t x[25]; |
| 1967 | break_optimization(x); |
| 1968 | EXPECT_POISONED(x[0]); |
| 1969 | wmemset(x, L'A', 10); |
| 1970 | EXPECT_EQ(x[0], L'A'); |
| 1971 | EXPECT_EQ(x[9], L'A'); |
| 1972 | EXPECT_POISONED(x[10]); |
| 1973 | } |
| 1974 | |
Evgeniy Stepanov | 8014489 | 2013-07-02 13:34:44 +0000 | [diff] [blame] | 1975 | TEST(MemorySanitizer, mbtowc) { |
| 1976 | const char *x = "abc"; |
| 1977 | wchar_t wx; |
| 1978 | int res = mbtowc(&wx, x, 3); |
| 1979 | EXPECT_GT(res, 0); |
| 1980 | EXPECT_NOT_POISONED(wx); |
| 1981 | } |
| 1982 | |
| 1983 | TEST(MemorySanitizer, mbrtowc) { |
| 1984 | const char *x = "abc"; |
| 1985 | wchar_t wx; |
| 1986 | mbstate_t mbs; |
| 1987 | memset(&mbs, 0, sizeof(mbs)); |
| 1988 | int res = mbrtowc(&wx, x, 3, &mbs); |
| 1989 | EXPECT_GT(res, 0); |
| 1990 | EXPECT_NOT_POISONED(wx); |
| 1991 | } |
| 1992 | |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 1993 | TEST(MemorySanitizer, wcsftime) { |
| 1994 | wchar_t x[100]; |
| 1995 | time_t t = time(NULL); |
| 1996 | struct tm tms; |
| 1997 | struct tm *tmres = localtime_r(&t, &tms); |
| 1998 | ASSERT_NE((void *)0, tmres); |
| 1999 | size_t res = wcsftime(x, sizeof(x) / sizeof(x[0]), L"%Y-%m-%d", tmres); |
| 2000 | EXPECT_GT(res, 0UL); |
| 2001 | EXPECT_EQ(res, wcslen(x)); |
| 2002 | } |
| 2003 | |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 2004 | TEST(MemorySanitizer, gettimeofday) { |
| 2005 | struct timeval tv; |
| 2006 | struct timezone tz; |
Evgeniy Stepanov | 12c4693 | 2013-01-29 14:33:29 +0000 | [diff] [blame] | 2007 | break_optimization(&tv); |
| 2008 | break_optimization(&tz); |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 2009 | ASSERT_EQ(16U, sizeof(tv)); |
| 2010 | ASSERT_EQ(8U, sizeof(tz)); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 2011 | EXPECT_POISONED(tv.tv_sec); |
| 2012 | EXPECT_POISONED(tv.tv_usec); |
| 2013 | EXPECT_POISONED(tz.tz_minuteswest); |
| 2014 | EXPECT_POISONED(tz.tz_dsttime); |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 2015 | ASSERT_EQ(0, gettimeofday(&tv, &tz)); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 2016 | EXPECT_NOT_POISONED(tv.tv_sec); |
| 2017 | EXPECT_NOT_POISONED(tv.tv_usec); |
| 2018 | EXPECT_NOT_POISONED(tz.tz_minuteswest); |
| 2019 | EXPECT_NOT_POISONED(tz.tz_dsttime); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 2020 | } |
| 2021 | |
Evgeniy Stepanov | e4bdda5 | 2013-04-01 14:47:21 +0000 | [diff] [blame] | 2022 | TEST(MemorySanitizer, clock_gettime) { |
| 2023 | struct timespec tp; |
| 2024 | EXPECT_POISONED(tp.tv_sec); |
| 2025 | EXPECT_POISONED(tp.tv_nsec); |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 2026 | ASSERT_EQ(0, clock_gettime(CLOCK_REALTIME, &tp)); |
Evgeniy Stepanov | e4bdda5 | 2013-04-01 14:47:21 +0000 | [diff] [blame] | 2027 | EXPECT_NOT_POISONED(tp.tv_sec); |
| 2028 | EXPECT_NOT_POISONED(tp.tv_nsec); |
| 2029 | } |
| 2030 | |
Evgeniy Stepanov | 7cdae16 | 2013-04-23 11:48:31 +0000 | [diff] [blame] | 2031 | TEST(MemorySanitizer, clock_getres) { |
| 2032 | struct timespec tp; |
| 2033 | EXPECT_POISONED(tp.tv_sec); |
| 2034 | EXPECT_POISONED(tp.tv_nsec); |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 2035 | ASSERT_EQ(0, clock_getres(CLOCK_REALTIME, 0)); |
Evgeniy Stepanov | 7cdae16 | 2013-04-23 11:48:31 +0000 | [diff] [blame] | 2036 | EXPECT_POISONED(tp.tv_sec); |
| 2037 | EXPECT_POISONED(tp.tv_nsec); |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 2038 | ASSERT_EQ(0, clock_getres(CLOCK_REALTIME, &tp)); |
Evgeniy Stepanov | 7cdae16 | 2013-04-23 11:48:31 +0000 | [diff] [blame] | 2039 | EXPECT_NOT_POISONED(tp.tv_sec); |
| 2040 | EXPECT_NOT_POISONED(tp.tv_nsec); |
| 2041 | } |
| 2042 | |
Evgeniy Stepanov | e4bdda5 | 2013-04-01 14:47:21 +0000 | [diff] [blame] | 2043 | TEST(MemorySanitizer, getitimer) { |
| 2044 | struct itimerval it1, it2; |
| 2045 | int res; |
| 2046 | EXPECT_POISONED(it1.it_interval.tv_sec); |
| 2047 | EXPECT_POISONED(it1.it_interval.tv_usec); |
| 2048 | EXPECT_POISONED(it1.it_value.tv_sec); |
| 2049 | EXPECT_POISONED(it1.it_value.tv_usec); |
| 2050 | res = getitimer(ITIMER_VIRTUAL, &it1); |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 2051 | ASSERT_EQ(0, res); |
Evgeniy Stepanov | e4bdda5 | 2013-04-01 14:47:21 +0000 | [diff] [blame] | 2052 | EXPECT_NOT_POISONED(it1.it_interval.tv_sec); |
| 2053 | EXPECT_NOT_POISONED(it1.it_interval.tv_usec); |
| 2054 | EXPECT_NOT_POISONED(it1.it_value.tv_sec); |
| 2055 | EXPECT_NOT_POISONED(it1.it_value.tv_usec); |
| 2056 | |
| 2057 | it1.it_interval.tv_sec = it1.it_value.tv_sec = 10000; |
| 2058 | it1.it_interval.tv_usec = it1.it_value.tv_usec = 0; |
| 2059 | |
| 2060 | res = setitimer(ITIMER_VIRTUAL, &it1, &it2); |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 2061 | ASSERT_EQ(0, res); |
Evgeniy Stepanov | e4bdda5 | 2013-04-01 14:47:21 +0000 | [diff] [blame] | 2062 | EXPECT_NOT_POISONED(it2.it_interval.tv_sec); |
| 2063 | EXPECT_NOT_POISONED(it2.it_interval.tv_usec); |
| 2064 | EXPECT_NOT_POISONED(it2.it_value.tv_sec); |
| 2065 | EXPECT_NOT_POISONED(it2.it_value.tv_usec); |
| 2066 | |
| 2067 | // Check that old_value can be 0, and disable the timer. |
| 2068 | memset(&it1, 0, sizeof(it1)); |
| 2069 | res = setitimer(ITIMER_VIRTUAL, &it1, 0); |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 2070 | ASSERT_EQ(0, res); |
Evgeniy Stepanov | e4bdda5 | 2013-04-01 14:47:21 +0000 | [diff] [blame] | 2071 | } |
| 2072 | |
Evgeniy Stepanov | 39d68ed | 2013-08-06 09:54:33 +0000 | [diff] [blame] | 2073 | TEST(MemorySanitizer, setitimer_null) { |
| 2074 | setitimer(ITIMER_VIRTUAL, 0, 0); |
| 2075 | // Not testing the return value, since it the behaviour seems to differ |
| 2076 | // between libc implementations and POSIX. |
| 2077 | // Should never crash, though. |
| 2078 | } |
| 2079 | |
Evgeniy Stepanov | fef6605 | 2013-04-08 08:25:22 +0000 | [diff] [blame] | 2080 | TEST(MemorySanitizer, time) { |
| 2081 | time_t t; |
| 2082 | EXPECT_POISONED(t); |
| 2083 | time_t t2 = time(&t); |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 2084 | ASSERT_NE(t2, (time_t)-1); |
Evgeniy Stepanov | fef6605 | 2013-04-08 08:25:22 +0000 | [diff] [blame] | 2085 | EXPECT_NOT_POISONED(t); |
| 2086 | } |
| 2087 | |
Evgeniy Stepanov | e4f9f8a | 2013-11-02 01:01:35 +0000 | [diff] [blame] | 2088 | TEST(MemorySanitizer, strptime) { |
| 2089 | struct tm time; |
| 2090 | char *p = strptime("11/1/2013-05:39", "%m/%d/%Y-%H:%M", &time); |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 2091 | ASSERT_TRUE(p != NULL); |
Evgeniy Stepanov | e4f9f8a | 2013-11-02 01:01:35 +0000 | [diff] [blame] | 2092 | EXPECT_NOT_POISONED(time.tm_sec); |
| 2093 | EXPECT_NOT_POISONED(time.tm_hour); |
| 2094 | EXPECT_NOT_POISONED(time.tm_year); |
| 2095 | } |
| 2096 | |
Evgeniy Stepanov | 9358c58 | 2013-02-19 09:19:16 +0000 | [diff] [blame] | 2097 | TEST(MemorySanitizer, localtime) { |
| 2098 | time_t t = 123; |
| 2099 | struct tm *time = localtime(&t); |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 2100 | ASSERT_TRUE(time != NULL); |
Evgeniy Stepanov | 9358c58 | 2013-02-19 09:19:16 +0000 | [diff] [blame] | 2101 | EXPECT_NOT_POISONED(time->tm_sec); |
| 2102 | EXPECT_NOT_POISONED(time->tm_hour); |
| 2103 | EXPECT_NOT_POISONED(time->tm_year); |
| 2104 | EXPECT_NOT_POISONED(time->tm_isdst); |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 2105 | EXPECT_NE(0U, strlen(time->tm_zone)); |
Evgeniy Stepanov | 9358c58 | 2013-02-19 09:19:16 +0000 | [diff] [blame] | 2106 | } |
| 2107 | |
| 2108 | TEST(MemorySanitizer, localtime_r) { |
| 2109 | time_t t = 123; |
| 2110 | struct tm time; |
| 2111 | struct tm *res = localtime_r(&t, &time); |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 2112 | ASSERT_TRUE(res != NULL); |
Evgeniy Stepanov | 9358c58 | 2013-02-19 09:19:16 +0000 | [diff] [blame] | 2113 | EXPECT_NOT_POISONED(time.tm_sec); |
| 2114 | EXPECT_NOT_POISONED(time.tm_hour); |
| 2115 | EXPECT_NOT_POISONED(time.tm_year); |
| 2116 | EXPECT_NOT_POISONED(time.tm_isdst); |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 2117 | EXPECT_NE(0U, strlen(time.tm_zone)); |
Evgeniy Stepanov | 9358c58 | 2013-02-19 09:19:16 +0000 | [diff] [blame] | 2118 | } |
| 2119 | |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 2120 | // There's no getmntent() on FreeBSD. |
| 2121 | #if !defined(__FreeBSD__) |
Evgeniy Stepanov | 4d7297d | 2013-10-18 09:41:43 +0000 | [diff] [blame] | 2122 | TEST(MemorySanitizer, getmntent) { |
| 2123 | FILE *fp = setmntent("/etc/fstab", "r"); |
| 2124 | struct mntent *mnt = getmntent(fp); |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 2125 | ASSERT_TRUE(mnt != NULL); |
| 2126 | ASSERT_NE(0U, strlen(mnt->mnt_fsname)); |
| 2127 | ASSERT_NE(0U, strlen(mnt->mnt_dir)); |
| 2128 | ASSERT_NE(0U, strlen(mnt->mnt_type)); |
| 2129 | ASSERT_NE(0U, strlen(mnt->mnt_opts)); |
Evgeniy Stepanov | 4d7297d | 2013-10-18 09:41:43 +0000 | [diff] [blame] | 2130 | EXPECT_NOT_POISONED(mnt->mnt_freq); |
| 2131 | EXPECT_NOT_POISONED(mnt->mnt_passno); |
| 2132 | fclose(fp); |
| 2133 | } |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 2134 | #endif |
Evgeniy Stepanov | 4d7297d | 2013-10-18 09:41:43 +0000 | [diff] [blame] | 2135 | |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 2136 | // There's no getmntent_r() on FreeBSD. |
| 2137 | #if !defined(__FreeBSD__) |
Evgeniy Stepanov | 4d7297d | 2013-10-18 09:41:43 +0000 | [diff] [blame] | 2138 | TEST(MemorySanitizer, getmntent_r) { |
| 2139 | FILE *fp = setmntent("/etc/fstab", "r"); |
| 2140 | struct mntent mntbuf; |
| 2141 | char buf[1000]; |
| 2142 | struct mntent *mnt = getmntent_r(fp, &mntbuf, buf, sizeof(buf)); |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 2143 | ASSERT_TRUE(mnt != NULL); |
| 2144 | ASSERT_NE(0U, strlen(mnt->mnt_fsname)); |
| 2145 | ASSERT_NE(0U, strlen(mnt->mnt_dir)); |
| 2146 | ASSERT_NE(0U, strlen(mnt->mnt_type)); |
| 2147 | ASSERT_NE(0U, strlen(mnt->mnt_opts)); |
Evgeniy Stepanov | 4d7297d | 2013-10-18 09:41:43 +0000 | [diff] [blame] | 2148 | EXPECT_NOT_POISONED(mnt->mnt_freq); |
| 2149 | EXPECT_NOT_POISONED(mnt->mnt_passno); |
| 2150 | fclose(fp); |
| 2151 | } |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 2152 | #endif |
Evgeniy Stepanov | 4d7297d | 2013-10-18 09:41:43 +0000 | [diff] [blame] | 2153 | |
Evgeniy Stepanov | 369a9a6 | 2013-10-23 13:57:47 +0000 | [diff] [blame] | 2154 | TEST(MemorySanitizer, ether) { |
| 2155 | const char *asc = "11:22:33:44:55:66"; |
| 2156 | struct ether_addr *paddr = ether_aton(asc); |
| 2157 | EXPECT_NOT_POISONED(*paddr); |
| 2158 | |
| 2159 | struct ether_addr addr; |
| 2160 | paddr = ether_aton_r(asc, &addr); |
| 2161 | ASSERT_EQ(paddr, &addr); |
| 2162 | EXPECT_NOT_POISONED(addr); |
| 2163 | |
| 2164 | char *s = ether_ntoa(&addr); |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 2165 | ASSERT_NE(0U, strlen(s)); |
Evgeniy Stepanov | 369a9a6 | 2013-10-23 13:57:47 +0000 | [diff] [blame] | 2166 | |
| 2167 | char buf[100]; |
| 2168 | s = ether_ntoa_r(&addr, buf); |
| 2169 | ASSERT_EQ(s, buf); |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 2170 | ASSERT_NE(0U, strlen(buf)); |
Evgeniy Stepanov | 369a9a6 | 2013-10-23 13:57:47 +0000 | [diff] [blame] | 2171 | } |
| 2172 | |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 2173 | TEST(MemorySanitizer, mmap) { |
| 2174 | const int size = 4096; |
| 2175 | void *p1, *p2; |
| 2176 | p1 = mmap(0, size, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANON, -1, 0); |
| 2177 | __msan_poison(p1, size); |
| 2178 | munmap(p1, size); |
| 2179 | for (int i = 0; i < 1000; i++) { |
| 2180 | p2 = mmap(0, size, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANON, -1, 0); |
| 2181 | if (p2 == p1) |
| 2182 | break; |
| 2183 | else |
| 2184 | munmap(p2, size); |
| 2185 | } |
| 2186 | if (p1 == p2) { |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 2187 | EXPECT_NOT_POISONED(*(char*)p2); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 2188 | munmap(p2, size); |
| 2189 | } |
| 2190 | } |
| 2191 | |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 2192 | // There's no fcvt() on FreeBSD. |
| 2193 | #if !defined(__FreeBSD__) |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 2194 | // FIXME: enable and add ecvt. |
| 2195 | // FIXME: check why msandr does nt handle fcvt. |
| 2196 | TEST(MemorySanitizer, fcvt) { |
| 2197 | int a, b; |
Evgeniy Stepanov | 12c4693 | 2013-01-29 14:33:29 +0000 | [diff] [blame] | 2198 | break_optimization(&a); |
| 2199 | break_optimization(&b); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 2200 | EXPECT_POISONED(a); |
| 2201 | EXPECT_POISONED(b); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 2202 | char *str = fcvt(12345.6789, 10, &a, &b); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 2203 | EXPECT_NOT_POISONED(a); |
| 2204 | EXPECT_NOT_POISONED(b); |
Stephen Hines | 6d18623 | 2014-11-26 17:56:19 -0800 | [diff] [blame] | 2205 | ASSERT_NE(nullptr, str); |
| 2206 | EXPECT_NOT_POISONED(str[0]); |
| 2207 | ASSERT_NE(0U, strlen(str)); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 2208 | } |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 2209 | #endif |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 2210 | |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 2211 | // There's no fcvt_long() on FreeBSD. |
| 2212 | #if !defined(__FreeBSD__) |
Stephen Hines | 6d18623 | 2014-11-26 17:56:19 -0800 | [diff] [blame] | 2213 | TEST(MemorySanitizer, fcvt_long) { |
| 2214 | int a, b; |
| 2215 | break_optimization(&a); |
| 2216 | break_optimization(&b); |
| 2217 | EXPECT_POISONED(a); |
| 2218 | EXPECT_POISONED(b); |
| 2219 | char *str = fcvt(111111112345.6789, 10, &a, &b); |
| 2220 | EXPECT_NOT_POISONED(a); |
| 2221 | EXPECT_NOT_POISONED(b); |
| 2222 | ASSERT_NE(nullptr, str); |
| 2223 | EXPECT_NOT_POISONED(str[0]); |
| 2224 | ASSERT_NE(0U, strlen(str)); |
| 2225 | } |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 2226 | #endif |
Stephen Hines | 6d18623 | 2014-11-26 17:56:19 -0800 | [diff] [blame] | 2227 | |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 2228 | TEST(MemorySanitizer, memchr) { |
| 2229 | char x[10]; |
| 2230 | break_optimization(x); |
| 2231 | EXPECT_POISONED(x[0]); |
| 2232 | x[2] = '2'; |
| 2233 | void *res; |
| 2234 | EXPECT_UMR(res = memchr(x, '2', 10)); |
| 2235 | EXPECT_NOT_POISONED(res); |
| 2236 | x[0] = '0'; |
| 2237 | x[1] = '1'; |
| 2238 | res = memchr(x, '2', 10); |
| 2239 | EXPECT_EQ(&x[2], res); |
| 2240 | EXPECT_UMR(res = memchr(x, '3', 10)); |
| 2241 | EXPECT_NOT_POISONED(res); |
| 2242 | } |
| 2243 | |
| 2244 | TEST(MemorySanitizer, memrchr) { |
| 2245 | char x[10]; |
| 2246 | break_optimization(x); |
| 2247 | EXPECT_POISONED(x[0]); |
| 2248 | x[9] = '9'; |
| 2249 | void *res; |
| 2250 | EXPECT_UMR(res = memrchr(x, '9', 10)); |
| 2251 | EXPECT_NOT_POISONED(res); |
| 2252 | x[0] = '0'; |
| 2253 | x[1] = '1'; |
| 2254 | res = memrchr(x, '0', 2); |
| 2255 | EXPECT_EQ(&x[0], res); |
| 2256 | EXPECT_UMR(res = memrchr(x, '7', 10)); |
| 2257 | EXPECT_NOT_POISONED(res); |
| 2258 | } |
| 2259 | |
Evgeniy Stepanov | 7cbbb29 | 2013-03-14 11:34:39 +0000 | [diff] [blame] | 2260 | TEST(MemorySanitizer, frexp) { |
| 2261 | int x; |
| 2262 | x = *GetPoisoned<int>(); |
| 2263 | double r = frexp(1.1, &x); |
| 2264 | EXPECT_NOT_POISONED(r); |
| 2265 | EXPECT_NOT_POISONED(x); |
| 2266 | |
| 2267 | x = *GetPoisoned<int>(); |
| 2268 | float rf = frexpf(1.1, &x); |
| 2269 | EXPECT_NOT_POISONED(rf); |
| 2270 | EXPECT_NOT_POISONED(x); |
| 2271 | |
| 2272 | x = *GetPoisoned<int>(); |
| 2273 | double rl = frexpl(1.1, &x); |
| 2274 | EXPECT_NOT_POISONED(rl); |
| 2275 | EXPECT_NOT_POISONED(x); |
| 2276 | } |
| 2277 | |
Evgeniy Stepanov | 06658ea | 2013-04-04 08:22:52 +0000 | [diff] [blame] | 2278 | namespace { |
| 2279 | |
| 2280 | static int cnt; |
| 2281 | |
| 2282 | void SigactionHandler(int signo, siginfo_t* si, void* uc) { |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 2283 | ASSERT_EQ(signo, SIGPROF); |
| 2284 | ASSERT_TRUE(si != NULL); |
Evgeniy Stepanov | 06658ea | 2013-04-04 08:22:52 +0000 | [diff] [blame] | 2285 | EXPECT_NOT_POISONED(si->si_errno); |
| 2286 | EXPECT_NOT_POISONED(si->si_pid); |
| 2287 | #if __linux__ |
| 2288 | # if defined(__x86_64__) |
| 2289 | EXPECT_NOT_POISONED(((ucontext_t*)uc)->uc_mcontext.gregs[REG_RIP]); |
| 2290 | # elif defined(__i386__) |
| 2291 | EXPECT_NOT_POISONED(((ucontext_t*)uc)->uc_mcontext.gregs[REG_EIP]); |
| 2292 | # endif |
| 2293 | #endif |
| 2294 | ++cnt; |
| 2295 | } |
| 2296 | |
| 2297 | TEST(MemorySanitizer, sigaction) { |
| 2298 | struct sigaction act = {}; |
Evgeniy Stepanov | cd3049d | 2013-04-05 12:58:07 +0000 | [diff] [blame] | 2299 | struct sigaction oldact = {}; |
Evgeniy Stepanov | 6d0b7f6 | 2013-04-15 13:35:05 +0000 | [diff] [blame] | 2300 | struct sigaction origact = {}; |
| 2301 | |
| 2302 | sigaction(SIGPROF, 0, &origact); |
| 2303 | |
Evgeniy Stepanov | 06658ea | 2013-04-04 08:22:52 +0000 | [diff] [blame] | 2304 | act.sa_flags |= SA_SIGINFO; |
| 2305 | act.sa_sigaction = &SigactionHandler; |
| 2306 | sigaction(SIGPROF, &act, 0); |
| 2307 | |
| 2308 | kill(getpid(), SIGPROF); |
| 2309 | |
| 2310 | act.sa_flags &= ~SA_SIGINFO; |
| 2311 | act.sa_handler = SIG_DFL; |
| 2312 | sigaction(SIGPROF, &act, 0); |
| 2313 | |
| 2314 | act.sa_flags &= ~SA_SIGINFO; |
| 2315 | act.sa_handler = SIG_IGN; |
Evgeniy Stepanov | cd3049d | 2013-04-05 12:58:07 +0000 | [diff] [blame] | 2316 | sigaction(SIGPROF, &act, &oldact); |
| 2317 | EXPECT_FALSE(oldact.sa_flags & SA_SIGINFO); |
| 2318 | EXPECT_EQ(SIG_DFL, oldact.sa_handler); |
Evgeniy Stepanov | 06658ea | 2013-04-04 08:22:52 +0000 | [diff] [blame] | 2319 | kill(getpid(), SIGPROF); |
| 2320 | |
| 2321 | act.sa_flags |= SA_SIGINFO; |
| 2322 | act.sa_sigaction = &SigactionHandler; |
Evgeniy Stepanov | cd3049d | 2013-04-05 12:58:07 +0000 | [diff] [blame] | 2323 | sigaction(SIGPROF, &act, &oldact); |
| 2324 | EXPECT_FALSE(oldact.sa_flags & SA_SIGINFO); |
| 2325 | EXPECT_EQ(SIG_IGN, oldact.sa_handler); |
Evgeniy Stepanov | 06658ea | 2013-04-04 08:22:52 +0000 | [diff] [blame] | 2326 | kill(getpid(), SIGPROF); |
| 2327 | |
| 2328 | act.sa_flags &= ~SA_SIGINFO; |
| 2329 | act.sa_handler = SIG_DFL; |
Evgeniy Stepanov | cd3049d | 2013-04-05 12:58:07 +0000 | [diff] [blame] | 2330 | sigaction(SIGPROF, &act, &oldact); |
| 2331 | EXPECT_TRUE(oldact.sa_flags & SA_SIGINFO); |
| 2332 | EXPECT_EQ(&SigactionHandler, oldact.sa_sigaction); |
Evgeniy Stepanov | 06658ea | 2013-04-04 08:22:52 +0000 | [diff] [blame] | 2333 | EXPECT_EQ(2, cnt); |
Evgeniy Stepanov | 6d0b7f6 | 2013-04-15 13:35:05 +0000 | [diff] [blame] | 2334 | |
| 2335 | sigaction(SIGPROF, &origact, 0); |
Evgeniy Stepanov | 06658ea | 2013-04-04 08:22:52 +0000 | [diff] [blame] | 2336 | } |
| 2337 | |
| 2338 | } // namespace |
| 2339 | |
Evgeniy Stepanov | 9a949a8 | 2013-09-25 14:47:43 +0000 | [diff] [blame] | 2340 | |
| 2341 | TEST(MemorySanitizer, sigemptyset) { |
| 2342 | sigset_t s; |
| 2343 | EXPECT_POISONED(s); |
| 2344 | int res = sigemptyset(&s); |
| 2345 | ASSERT_EQ(0, res); |
| 2346 | EXPECT_NOT_POISONED(s); |
| 2347 | } |
| 2348 | |
| 2349 | TEST(MemorySanitizer, sigfillset) { |
| 2350 | sigset_t s; |
| 2351 | EXPECT_POISONED(s); |
| 2352 | int res = sigfillset(&s); |
| 2353 | ASSERT_EQ(0, res); |
| 2354 | EXPECT_NOT_POISONED(s); |
| 2355 | } |
| 2356 | |
| 2357 | TEST(MemorySanitizer, sigpending) { |
| 2358 | sigset_t s; |
| 2359 | EXPECT_POISONED(s); |
| 2360 | int res = sigpending(&s); |
| 2361 | ASSERT_EQ(0, res); |
| 2362 | EXPECT_NOT_POISONED(s); |
| 2363 | } |
| 2364 | |
| 2365 | TEST(MemorySanitizer, sigprocmask) { |
| 2366 | sigset_t s; |
| 2367 | EXPECT_POISONED(s); |
| 2368 | int res = sigprocmask(SIG_BLOCK, 0, &s); |
| 2369 | ASSERT_EQ(0, res); |
| 2370 | EXPECT_NOT_POISONED(s); |
| 2371 | } |
| 2372 | |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 2373 | struct StructWithDtor { |
| 2374 | ~StructWithDtor(); |
| 2375 | }; |
| 2376 | |
| 2377 | NOINLINE StructWithDtor::~StructWithDtor() { |
Evgeniy Stepanov | 12c4693 | 2013-01-29 14:33:29 +0000 | [diff] [blame] | 2378 | break_optimization(0); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 2379 | } |
| 2380 | |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 2381 | TEST(MemorySanitizer, Invoke) { |
| 2382 | StructWithDtor s; // Will cause the calls to become invokes. |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 2383 | EXPECT_NOT_POISONED(0); |
| 2384 | EXPECT_POISONED(*GetPoisoned<int>()); |
| 2385 | EXPECT_NOT_POISONED(0); |
| 2386 | EXPECT_POISONED(*GetPoisoned<int>()); |
| 2387 | EXPECT_POISONED(ReturnPoisoned<S4>()); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 2388 | } |
| 2389 | |
| 2390 | TEST(MemorySanitizer, ptrtoint) { |
| 2391 | // Test that shadow is propagated through pointer-to-integer conversion. |
| 2392 | void* p = (void*)0xABCD; |
| 2393 | __msan_poison(((char*)&p) + 1, sizeof(p)); |
Evgeniy Stepanov | 250f221 | 2013-01-30 13:12:08 +0000 | [diff] [blame] | 2394 | EXPECT_NOT_POISONED((((uintptr_t)p) & 0xFF) == 0); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 2395 | |
| 2396 | void* q = (void*)0xABCD; |
| 2397 | __msan_poison(&q, sizeof(q) - 1); |
Evgeniy Stepanov | 250f221 | 2013-01-30 13:12:08 +0000 | [diff] [blame] | 2398 | EXPECT_POISONED((((uintptr_t)q) & 0xFF) == 0); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 2399 | } |
| 2400 | |
| 2401 | static void vaargsfn2(int guard, ...) { |
| 2402 | va_list vl; |
| 2403 | va_start(vl, guard); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 2404 | EXPECT_NOT_POISONED(va_arg(vl, int)); |
| 2405 | EXPECT_NOT_POISONED(va_arg(vl, int)); |
| 2406 | EXPECT_NOT_POISONED(va_arg(vl, int)); |
| 2407 | EXPECT_POISONED(va_arg(vl, double)); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 2408 | va_end(vl); |
| 2409 | } |
| 2410 | |
| 2411 | static void vaargsfn(int guard, ...) { |
| 2412 | va_list vl; |
| 2413 | va_start(vl, guard); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 2414 | EXPECT_NOT_POISONED(va_arg(vl, int)); |
| 2415 | EXPECT_POISONED(va_arg(vl, int)); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 2416 | // The following call will overwrite __msan_param_tls. |
| 2417 | // Checks after it test that arg shadow was somehow saved across the call. |
| 2418 | vaargsfn2(1, 2, 3, 4, *GetPoisoned<double>()); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 2419 | EXPECT_NOT_POISONED(va_arg(vl, int)); |
| 2420 | EXPECT_POISONED(va_arg(vl, int)); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 2421 | va_end(vl); |
| 2422 | } |
| 2423 | |
| 2424 | TEST(MemorySanitizer, VAArgTest) { |
| 2425 | int* x = GetPoisoned<int>(); |
| 2426 | int* y = GetPoisoned<int>(4); |
| 2427 | vaargsfn(1, 13, *x, 42, *y); |
| 2428 | } |
| 2429 | |
| 2430 | static void vaargsfn_many(int guard, ...) { |
| 2431 | va_list vl; |
| 2432 | va_start(vl, guard); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 2433 | EXPECT_NOT_POISONED(va_arg(vl, int)); |
| 2434 | EXPECT_POISONED(va_arg(vl, int)); |
| 2435 | EXPECT_NOT_POISONED(va_arg(vl, int)); |
| 2436 | EXPECT_NOT_POISONED(va_arg(vl, int)); |
| 2437 | EXPECT_NOT_POISONED(va_arg(vl, int)); |
| 2438 | EXPECT_NOT_POISONED(va_arg(vl, int)); |
| 2439 | EXPECT_NOT_POISONED(va_arg(vl, int)); |
| 2440 | EXPECT_NOT_POISONED(va_arg(vl, int)); |
| 2441 | EXPECT_NOT_POISONED(va_arg(vl, int)); |
| 2442 | EXPECT_POISONED(va_arg(vl, int)); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 2443 | va_end(vl); |
| 2444 | } |
| 2445 | |
| 2446 | TEST(MemorySanitizer, VAArgManyTest) { |
| 2447 | int* x = GetPoisoned<int>(); |
| 2448 | int* y = GetPoisoned<int>(4); |
| 2449 | vaargsfn_many(1, 2, *x, 3, 4, 5, 6, 7, 8, 9, *y); |
| 2450 | } |
| 2451 | |
| 2452 | static void vaargsfn_pass2(va_list vl) { |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 2453 | EXPECT_NOT_POISONED(va_arg(vl, int)); |
| 2454 | EXPECT_NOT_POISONED(va_arg(vl, int)); |
| 2455 | EXPECT_POISONED(va_arg(vl, int)); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 2456 | } |
| 2457 | |
| 2458 | static void vaargsfn_pass(int guard, ...) { |
| 2459 | va_list vl; |
| 2460 | va_start(vl, guard); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 2461 | EXPECT_POISONED(va_arg(vl, int)); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 2462 | vaargsfn_pass2(vl); |
| 2463 | va_end(vl); |
| 2464 | } |
| 2465 | |
| 2466 | TEST(MemorySanitizer, VAArgPass) { |
| 2467 | int* x = GetPoisoned<int>(); |
| 2468 | int* y = GetPoisoned<int>(4); |
| 2469 | vaargsfn_pass(1, *x, 2, 3, *y); |
| 2470 | } |
| 2471 | |
| 2472 | static void vaargsfn_copy2(va_list vl) { |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 2473 | EXPECT_NOT_POISONED(va_arg(vl, int)); |
| 2474 | EXPECT_POISONED(va_arg(vl, int)); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 2475 | } |
| 2476 | |
| 2477 | static void vaargsfn_copy(int guard, ...) { |
| 2478 | va_list vl; |
| 2479 | va_start(vl, guard); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 2480 | EXPECT_NOT_POISONED(va_arg(vl, int)); |
| 2481 | EXPECT_POISONED(va_arg(vl, int)); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 2482 | va_list vl2; |
| 2483 | va_copy(vl2, vl); |
| 2484 | vaargsfn_copy2(vl2); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 2485 | EXPECT_NOT_POISONED(va_arg(vl, int)); |
| 2486 | EXPECT_POISONED(va_arg(vl, int)); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 2487 | va_end(vl); |
| 2488 | } |
| 2489 | |
| 2490 | TEST(MemorySanitizer, VAArgCopy) { |
| 2491 | int* x = GetPoisoned<int>(); |
| 2492 | int* y = GetPoisoned<int>(4); |
| 2493 | vaargsfn_copy(1, 2, *x, 3, *y); |
| 2494 | } |
| 2495 | |
| 2496 | static void vaargsfn_ptr(int guard, ...) { |
| 2497 | va_list vl; |
| 2498 | va_start(vl, guard); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 2499 | EXPECT_NOT_POISONED(va_arg(vl, int*)); |
| 2500 | EXPECT_POISONED(va_arg(vl, int*)); |
| 2501 | EXPECT_NOT_POISONED(va_arg(vl, int*)); |
| 2502 | EXPECT_POISONED(va_arg(vl, double*)); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 2503 | va_end(vl); |
| 2504 | } |
| 2505 | |
| 2506 | TEST(MemorySanitizer, VAArgPtr) { |
| 2507 | int** x = GetPoisoned<int*>(); |
| 2508 | double** y = GetPoisoned<double*>(8); |
| 2509 | int z; |
| 2510 | vaargsfn_ptr(1, &z, *x, &z, *y); |
| 2511 | } |
| 2512 | |
| 2513 | static void vaargsfn_overflow(int guard, ...) { |
| 2514 | va_list vl; |
| 2515 | va_start(vl, guard); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 2516 | EXPECT_NOT_POISONED(va_arg(vl, int)); |
| 2517 | EXPECT_NOT_POISONED(va_arg(vl, int)); |
| 2518 | EXPECT_POISONED(va_arg(vl, int)); |
| 2519 | EXPECT_NOT_POISONED(va_arg(vl, int)); |
| 2520 | EXPECT_NOT_POISONED(va_arg(vl, int)); |
| 2521 | EXPECT_NOT_POISONED(va_arg(vl, int)); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 2522 | |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 2523 | EXPECT_NOT_POISONED(va_arg(vl, double)); |
| 2524 | EXPECT_NOT_POISONED(va_arg(vl, double)); |
| 2525 | EXPECT_NOT_POISONED(va_arg(vl, double)); |
| 2526 | EXPECT_POISONED(va_arg(vl, double)); |
| 2527 | EXPECT_NOT_POISONED(va_arg(vl, double)); |
| 2528 | EXPECT_POISONED(va_arg(vl, int*)); |
| 2529 | EXPECT_NOT_POISONED(va_arg(vl, double)); |
| 2530 | EXPECT_NOT_POISONED(va_arg(vl, double)); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 2531 | |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 2532 | EXPECT_POISONED(va_arg(vl, int)); |
| 2533 | EXPECT_POISONED(va_arg(vl, double)); |
| 2534 | EXPECT_POISONED(va_arg(vl, int*)); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 2535 | |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 2536 | EXPECT_NOT_POISONED(va_arg(vl, int)); |
| 2537 | EXPECT_NOT_POISONED(va_arg(vl, double)); |
| 2538 | EXPECT_NOT_POISONED(va_arg(vl, int*)); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 2539 | |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 2540 | EXPECT_POISONED(va_arg(vl, int)); |
| 2541 | EXPECT_POISONED(va_arg(vl, double)); |
| 2542 | EXPECT_POISONED(va_arg(vl, int*)); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 2543 | |
| 2544 | va_end(vl); |
| 2545 | } |
| 2546 | |
| 2547 | TEST(MemorySanitizer, VAArgOverflow) { |
| 2548 | int* x = GetPoisoned<int>(); |
| 2549 | double* y = GetPoisoned<double>(8); |
| 2550 | int** p = GetPoisoned<int*>(16); |
| 2551 | int z; |
| 2552 | vaargsfn_overflow(1, |
| 2553 | 1, 2, *x, 4, 5, 6, |
| 2554 | 1.1, 2.2, 3.3, *y, 5.5, *p, 7.7, 8.8, |
| 2555 | // the following args will overflow for sure |
| 2556 | *x, *y, *p, |
| 2557 | 7, 9.9, &z, |
| 2558 | *x, *y, *p); |
| 2559 | } |
| 2560 | |
| 2561 | static void vaargsfn_tlsoverwrite2(int guard, ...) { |
| 2562 | va_list vl; |
| 2563 | va_start(vl, guard); |
Evgeniy Stepanov | 3c531df | 2013-08-23 12:13:18 +0000 | [diff] [blame] | 2564 | for (int i = 0; i < 20; ++i) |
| 2565 | EXPECT_NOT_POISONED(va_arg(vl, int)); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 2566 | va_end(vl); |
| 2567 | } |
| 2568 | |
| 2569 | static void vaargsfn_tlsoverwrite(int guard, ...) { |
| 2570 | // This call will overwrite TLS contents unless it's backed up somewhere. |
Evgeniy Stepanov | 3c531df | 2013-08-23 12:13:18 +0000 | [diff] [blame] | 2571 | vaargsfn_tlsoverwrite2(2, |
| 2572 | 42, 42, 42, 42, 42, |
| 2573 | 42, 42, 42, 42, 42, |
| 2574 | 42, 42, 42, 42, 42, |
| 2575 | 42, 42, 42, 42, 42); // 20x |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 2576 | va_list vl; |
| 2577 | va_start(vl, guard); |
Evgeniy Stepanov | 3c531df | 2013-08-23 12:13:18 +0000 | [diff] [blame] | 2578 | for (int i = 0; i < 20; ++i) |
| 2579 | EXPECT_POISONED(va_arg(vl, int)); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 2580 | va_end(vl); |
| 2581 | } |
| 2582 | |
| 2583 | TEST(MemorySanitizer, VAArgTLSOverwrite) { |
| 2584 | int* x = GetPoisoned<int>(); |
Evgeniy Stepanov | 3c531df | 2013-08-23 12:13:18 +0000 | [diff] [blame] | 2585 | vaargsfn_tlsoverwrite(1, |
| 2586 | *x, *x, *x, *x, *x, |
| 2587 | *x, *x, *x, *x, *x, |
| 2588 | *x, *x, *x, *x, *x, |
| 2589 | *x, *x, *x, *x, *x); // 20x |
| 2590 | |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 2591 | } |
| 2592 | |
| 2593 | struct StructByVal { |
| 2594 | int a, b, c, d, e, f; |
| 2595 | }; |
| 2596 | |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 2597 | static void vaargsfn_structbyval(int guard, ...) { |
| 2598 | va_list vl; |
| 2599 | va_start(vl, guard); |
| 2600 | { |
| 2601 | StructByVal s = va_arg(vl, StructByVal); |
| 2602 | EXPECT_NOT_POISONED(s.a); |
| 2603 | EXPECT_POISONED(s.b); |
| 2604 | EXPECT_NOT_POISONED(s.c); |
| 2605 | EXPECT_POISONED(s.d); |
| 2606 | EXPECT_NOT_POISONED(s.e); |
| 2607 | EXPECT_POISONED(s.f); |
| 2608 | } |
| 2609 | { |
| 2610 | StructByVal s = va_arg(vl, StructByVal); |
| 2611 | EXPECT_NOT_POISONED(s.a); |
| 2612 | EXPECT_POISONED(s.b); |
| 2613 | EXPECT_NOT_POISONED(s.c); |
| 2614 | EXPECT_POISONED(s.d); |
| 2615 | EXPECT_NOT_POISONED(s.e); |
| 2616 | EXPECT_POISONED(s.f); |
| 2617 | } |
| 2618 | va_end(vl); |
| 2619 | } |
| 2620 | |
| 2621 | TEST(MemorySanitizer, VAArgStructByVal) { |
| 2622 | StructByVal s; |
| 2623 | s.a = 1; |
| 2624 | s.b = *GetPoisoned<int>(); |
| 2625 | s.c = 2; |
| 2626 | s.d = *GetPoisoned<int>(); |
| 2627 | s.e = 3; |
| 2628 | s.f = *GetPoisoned<int>(); |
| 2629 | vaargsfn_structbyval(0, s, s); |
| 2630 | } |
| 2631 | |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 2632 | NOINLINE void StructByValTestFunc(struct StructByVal s) { |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 2633 | EXPECT_NOT_POISONED(s.a); |
| 2634 | EXPECT_POISONED(s.b); |
| 2635 | EXPECT_NOT_POISONED(s.c); |
| 2636 | EXPECT_POISONED(s.d); |
| 2637 | EXPECT_NOT_POISONED(s.e); |
| 2638 | EXPECT_POISONED(s.f); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 2639 | } |
| 2640 | |
| 2641 | NOINLINE void StructByValTestFunc1(struct StructByVal s) { |
| 2642 | StructByValTestFunc(s); |
| 2643 | } |
| 2644 | |
| 2645 | NOINLINE void StructByValTestFunc2(int z, struct StructByVal s) { |
| 2646 | StructByValTestFunc(s); |
| 2647 | } |
| 2648 | |
| 2649 | TEST(MemorySanitizer, StructByVal) { |
| 2650 | // Large aggregates are passed as "byval" pointer argument in LLVM. |
| 2651 | struct StructByVal s; |
| 2652 | s.a = 1; |
| 2653 | s.b = *GetPoisoned<int>(); |
| 2654 | s.c = 2; |
| 2655 | s.d = *GetPoisoned<int>(); |
| 2656 | s.e = 3; |
| 2657 | s.f = *GetPoisoned<int>(); |
| 2658 | StructByValTestFunc(s); |
| 2659 | StructByValTestFunc1(s); |
| 2660 | StructByValTestFunc2(0, s); |
| 2661 | } |
| 2662 | |
| 2663 | |
| 2664 | #if MSAN_HAS_M128 |
Evgeniy Stepanov | b921bf2 | 2013-04-16 14:09:47 +0000 | [diff] [blame] | 2665 | NOINLINE __m128i m128Eq(__m128i *a, __m128i *b) { return _mm_cmpeq_epi16(*a, *b); } |
| 2666 | NOINLINE __m128i m128Lt(__m128i *a, __m128i *b) { return _mm_cmplt_epi16(*a, *b); } |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 2667 | TEST(MemorySanitizer, m128) { |
| 2668 | __m128i a = _mm_set1_epi16(0x1234); |
| 2669 | __m128i b = _mm_set1_epi16(0x7890); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 2670 | EXPECT_NOT_POISONED(m128Eq(&a, &b)); |
| 2671 | EXPECT_NOT_POISONED(m128Lt(&a, &b)); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 2672 | } |
| 2673 | // FIXME: add more tests for __m128i. |
| 2674 | #endif // MSAN_HAS_M128 |
| 2675 | |
| 2676 | // We should not complain when copying this poisoned hole. |
| 2677 | struct StructWithHole { |
| 2678 | U4 a; |
| 2679 | // 4-byte hole. |
| 2680 | U8 b; |
| 2681 | }; |
| 2682 | |
| 2683 | NOINLINE StructWithHole ReturnStructWithHole() { |
| 2684 | StructWithHole res; |
| 2685 | __msan_poison(&res, sizeof(res)); |
| 2686 | res.a = 1; |
| 2687 | res.b = 2; |
| 2688 | return res; |
| 2689 | } |
| 2690 | |
| 2691 | TEST(MemorySanitizer, StructWithHole) { |
| 2692 | StructWithHole a = ReturnStructWithHole(); |
Evgeniy Stepanov | 12c4693 | 2013-01-29 14:33:29 +0000 | [diff] [blame] | 2693 | break_optimization(&a); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 2694 | } |
| 2695 | |
| 2696 | template <class T> |
| 2697 | NOINLINE T ReturnStruct() { |
| 2698 | T res; |
| 2699 | __msan_poison(&res, sizeof(res)); |
| 2700 | res.a = 1; |
| 2701 | return res; |
| 2702 | } |
| 2703 | |
| 2704 | template <class T> |
| 2705 | NOINLINE void TestReturnStruct() { |
| 2706 | T s1 = ReturnStruct<T>(); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 2707 | EXPECT_NOT_POISONED(s1.a); |
| 2708 | EXPECT_POISONED(s1.b); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 2709 | } |
| 2710 | |
| 2711 | struct SSS1 { |
| 2712 | int a, b, c; |
| 2713 | }; |
| 2714 | struct SSS2 { |
| 2715 | int b, a, c; |
| 2716 | }; |
| 2717 | struct SSS3 { |
| 2718 | int b, c, a; |
| 2719 | }; |
| 2720 | struct SSS4 { |
| 2721 | int c, b, a; |
| 2722 | }; |
| 2723 | |
| 2724 | struct SSS5 { |
| 2725 | int a; |
| 2726 | float b; |
| 2727 | }; |
| 2728 | struct SSS6 { |
| 2729 | int a; |
| 2730 | double b; |
| 2731 | }; |
| 2732 | struct SSS7 { |
| 2733 | S8 b; |
| 2734 | int a; |
| 2735 | }; |
| 2736 | struct SSS8 { |
| 2737 | S2 b; |
| 2738 | S8 a; |
| 2739 | }; |
| 2740 | |
| 2741 | TEST(MemorySanitizer, IntStruct3) { |
| 2742 | TestReturnStruct<SSS1>(); |
| 2743 | TestReturnStruct<SSS2>(); |
| 2744 | TestReturnStruct<SSS3>(); |
| 2745 | TestReturnStruct<SSS4>(); |
| 2746 | TestReturnStruct<SSS5>(); |
| 2747 | TestReturnStruct<SSS6>(); |
| 2748 | TestReturnStruct<SSS7>(); |
| 2749 | TestReturnStruct<SSS8>(); |
| 2750 | } |
| 2751 | |
| 2752 | struct LongStruct { |
| 2753 | U1 a1, b1; |
| 2754 | U2 a2, b2; |
| 2755 | U4 a4, b4; |
| 2756 | U8 a8, b8; |
| 2757 | }; |
| 2758 | |
| 2759 | NOINLINE LongStruct ReturnLongStruct1() { |
| 2760 | LongStruct res; |
| 2761 | __msan_poison(&res, sizeof(res)); |
| 2762 | res.a1 = res.a2 = res.a4 = res.a8 = 111; |
| 2763 | // leaves b1, .., b8 poisoned. |
| 2764 | return res; |
| 2765 | } |
| 2766 | |
| 2767 | NOINLINE LongStruct ReturnLongStruct2() { |
| 2768 | LongStruct res; |
| 2769 | __msan_poison(&res, sizeof(res)); |
| 2770 | res.b1 = res.b2 = res.b4 = res.b8 = 111; |
| 2771 | // leaves a1, .., a8 poisoned. |
| 2772 | return res; |
| 2773 | } |
| 2774 | |
| 2775 | TEST(MemorySanitizer, LongStruct) { |
| 2776 | LongStruct s1 = ReturnLongStruct1(); |
| 2777 | __msan_print_shadow(&s1, sizeof(s1)); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 2778 | EXPECT_NOT_POISONED(s1.a1); |
| 2779 | EXPECT_NOT_POISONED(s1.a2); |
| 2780 | EXPECT_NOT_POISONED(s1.a4); |
| 2781 | EXPECT_NOT_POISONED(s1.a8); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 2782 | |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 2783 | EXPECT_POISONED(s1.b1); |
| 2784 | EXPECT_POISONED(s1.b2); |
| 2785 | EXPECT_POISONED(s1.b4); |
| 2786 | EXPECT_POISONED(s1.b8); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 2787 | |
| 2788 | LongStruct s2 = ReturnLongStruct2(); |
| 2789 | __msan_print_shadow(&s2, sizeof(s2)); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 2790 | EXPECT_NOT_POISONED(s2.b1); |
| 2791 | EXPECT_NOT_POISONED(s2.b2); |
| 2792 | EXPECT_NOT_POISONED(s2.b4); |
| 2793 | EXPECT_NOT_POISONED(s2.b8); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 2794 | |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 2795 | EXPECT_POISONED(s2.a1); |
| 2796 | EXPECT_POISONED(s2.a2); |
| 2797 | EXPECT_POISONED(s2.a4); |
| 2798 | EXPECT_POISONED(s2.a8); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 2799 | } |
| 2800 | |
| 2801 | TEST(MemorySanitizer, getrlimit) { |
| 2802 | struct rlimit limit; |
| 2803 | __msan_poison(&limit, sizeof(limit)); |
| 2804 | int result = getrlimit(RLIMIT_DATA, &limit); |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 2805 | ASSERT_EQ(result, 0); |
Evgeniy Stepanov | 2bba4ef | 2013-05-16 13:00:25 +0000 | [diff] [blame] | 2806 | EXPECT_NOT_POISONED(limit.rlim_cur); |
| 2807 | EXPECT_NOT_POISONED(limit.rlim_max); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 2808 | } |
| 2809 | |
Evgeniy Stepanov | e03345b | 2013-01-17 13:42:17 +0000 | [diff] [blame] | 2810 | TEST(MemorySanitizer, getrusage) { |
| 2811 | struct rusage usage; |
| 2812 | __msan_poison(&usage, sizeof(usage)); |
| 2813 | int result = getrusage(RUSAGE_SELF, &usage); |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 2814 | ASSERT_EQ(result, 0); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 2815 | EXPECT_NOT_POISONED(usage.ru_utime.tv_sec); |
| 2816 | EXPECT_NOT_POISONED(usage.ru_utime.tv_usec); |
| 2817 | EXPECT_NOT_POISONED(usage.ru_stime.tv_sec); |
| 2818 | EXPECT_NOT_POISONED(usage.ru_stime.tv_usec); |
| 2819 | EXPECT_NOT_POISONED(usage.ru_maxrss); |
| 2820 | EXPECT_NOT_POISONED(usage.ru_minflt); |
| 2821 | EXPECT_NOT_POISONED(usage.ru_majflt); |
| 2822 | EXPECT_NOT_POISONED(usage.ru_inblock); |
| 2823 | EXPECT_NOT_POISONED(usage.ru_oublock); |
| 2824 | EXPECT_NOT_POISONED(usage.ru_nvcsw); |
| 2825 | EXPECT_NOT_POISONED(usage.ru_nivcsw); |
Evgeniy Stepanov | e03345b | 2013-01-17 13:42:17 +0000 | [diff] [blame] | 2826 | } |
| 2827 | |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 2828 | #if defined(__FreeBSD__) |
| 2829 | static void GetProgramPath(char *buf, size_t sz) { |
| 2830 | int mib[4] = { CTL_KERN, KERN_PROC, KERN_PROC_PATHNAME, -1 }; |
| 2831 | int res = sysctl(mib, 4, buf, &sz, NULL, 0); |
| 2832 | ASSERT_EQ(0, res); |
| 2833 | } |
| 2834 | #elif defined(__GLIBC__) |
| 2835 | static void GetProgramPath(char *buf, size_t sz) { |
| 2836 | extern char *program_invocation_name; |
| 2837 | int res = snprintf(buf, sz, "%s", program_invocation_name); |
| 2838 | ASSERT_GE(res, 0); |
| 2839 | ASSERT_LT((size_t)res, sz); |
| 2840 | } |
| 2841 | #else |
Evgeniy Stepanov | 1aad6b5 | 2013-05-17 12:51:13 +0000 | [diff] [blame] | 2842 | # error "TODO: port this" |
| 2843 | #endif |
| 2844 | |
Evgeniy Stepanov | e03345b | 2013-01-17 13:42:17 +0000 | [diff] [blame] | 2845 | static void dladdr_testfn() {} |
| 2846 | |
| 2847 | TEST(MemorySanitizer, dladdr) { |
| 2848 | Dl_info info; |
| 2849 | __msan_poison(&info, sizeof(info)); |
| 2850 | int result = dladdr((const void*)dladdr_testfn, &info); |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 2851 | ASSERT_NE(result, 0); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 2852 | EXPECT_NOT_POISONED((unsigned long)info.dli_fname); |
Evgeniy Stepanov | e03345b | 2013-01-17 13:42:17 +0000 | [diff] [blame] | 2853 | if (info.dli_fname) |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 2854 | EXPECT_NOT_POISONED(strlen(info.dli_fname)); |
| 2855 | EXPECT_NOT_POISONED((unsigned long)info.dli_fbase); |
| 2856 | EXPECT_NOT_POISONED((unsigned long)info.dli_sname); |
Evgeniy Stepanov | e03345b | 2013-01-17 13:42:17 +0000 | [diff] [blame] | 2857 | if (info.dli_sname) |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 2858 | EXPECT_NOT_POISONED(strlen(info.dli_sname)); |
| 2859 | EXPECT_NOT_POISONED((unsigned long)info.dli_saddr); |
Evgeniy Stepanov | e03345b | 2013-01-17 13:42:17 +0000 | [diff] [blame] | 2860 | } |
| 2861 | |
Evgeniy Stepanov | 08104e6 | 2013-08-02 09:09:02 +0000 | [diff] [blame] | 2862 | #ifndef MSAN_TEST_DISABLE_DLOPEN |
| 2863 | |
Evgeniy Stepanov | 2bba4ef | 2013-05-16 13:00:25 +0000 | [diff] [blame] | 2864 | static int dl_phdr_callback(struct dl_phdr_info *info, size_t size, void *data) { |
| 2865 | (*(int *)data)++; |
| 2866 | EXPECT_NOT_POISONED(info->dlpi_addr); |
| 2867 | EXPECT_NOT_POISONED(strlen(info->dlpi_name)); |
| 2868 | EXPECT_NOT_POISONED(info->dlpi_phnum); |
| 2869 | for (int i = 0; i < info->dlpi_phnum; ++i) |
| 2870 | EXPECT_NOT_POISONED(info->dlpi_phdr[i]); |
| 2871 | return 0; |
| 2872 | } |
| 2873 | |
Evgeniy Stepanov | 263800b | 2013-06-27 13:21:00 +0000 | [diff] [blame] | 2874 | // Compute the path to our loadable DSO. We assume it's in the same |
| 2875 | // directory. Only use string routines that we intercept so far to do this. |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 2876 | static void GetPathToLoadable(char *buf, size_t sz) { |
| 2877 | char program_path[kMaxPathLength]; |
| 2878 | GetProgramPath(program_path, sizeof(program_path)); |
| 2879 | |
| 2880 | const char *last_slash = strrchr(program_path, '/'); |
| 2881 | ASSERT_NE(nullptr, last_slash); |
| 2882 | size_t dir_len = (size_t)(last_slash - program_path); |
| 2883 | #if defined(__x86_64__) |
| 2884 | static const char basename[] = "libmsan_loadable.x86_64.so"; |
| 2885 | #elif defined(__MIPSEB__) || defined(MIPSEB) |
| 2886 | static const char basename[] = "libmsan_loadable.mips64.so"; |
| 2887 | #elif defined(__mips64) |
| 2888 | static const char basename[] = "libmsan_loadable.mips64el.so"; |
Pirama Arumuga Nainar | 799172d | 2016-03-03 15:50:30 -0800 | [diff] [blame^] | 2889 | #elif defined(__aarch64__) |
| 2890 | static const char basename[] = "libmsan_loadable.aarch64.so"; |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 2891 | #endif |
| 2892 | int res = snprintf(buf, sz, "%.*s/%s", |
| 2893 | (int)dir_len, program_path, basename); |
| 2894 | ASSERT_GE(res, 0); |
| 2895 | ASSERT_LT((size_t)res, sz); |
Evgeniy Stepanov | 263800b | 2013-06-27 13:21:00 +0000 | [diff] [blame] | 2896 | } |
| 2897 | |
Evgeniy Stepanov | 2bba4ef | 2013-05-16 13:00:25 +0000 | [diff] [blame] | 2898 | TEST(MemorySanitizer, dl_iterate_phdr) { |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 2899 | char path[kMaxPathLength]; |
| 2900 | GetPathToLoadable(path, sizeof(path)); |
Evgeniy Stepanov | 1aad6b5 | 2013-05-17 12:51:13 +0000 | [diff] [blame] | 2901 | |
| 2902 | // Having at least one dlopen'ed library in the process makes this more |
| 2903 | // entertaining. |
| 2904 | void *lib = dlopen(path, RTLD_LAZY); |
| 2905 | ASSERT_NE((void*)0, lib); |
| 2906 | |
Evgeniy Stepanov | 2bba4ef | 2013-05-16 13:00:25 +0000 | [diff] [blame] | 2907 | int count = 0; |
| 2908 | int result = dl_iterate_phdr(dl_phdr_callback, &count); |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 2909 | ASSERT_GT(count, 0); |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 2910 | |
Evgeniy Stepanov | 1aad6b5 | 2013-05-17 12:51:13 +0000 | [diff] [blame] | 2911 | dlclose(lib); |
Evgeniy Stepanov | 2bba4ef | 2013-05-16 13:00:25 +0000 | [diff] [blame] | 2912 | } |
| 2913 | |
Reid Kleckner | 0f92deb | 2013-03-11 18:07:42 +0000 | [diff] [blame] | 2914 | TEST(MemorySanitizer, dlopen) { |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 2915 | char path[kMaxPathLength]; |
| 2916 | GetPathToLoadable(path, sizeof(path)); |
Reid Kleckner | 0f92deb | 2013-03-11 18:07:42 +0000 | [diff] [blame] | 2917 | |
| 2918 | // We need to clear shadow for globals when doing dlopen. In order to test |
| 2919 | // this, we have to poison the shadow for the DSO before we load it. In |
| 2920 | // general this is difficult, but the loader tends to reload things in the |
| 2921 | // same place, so we open, close, and then reopen. The global should always |
| 2922 | // start out clean after dlopen. |
| 2923 | for (int i = 0; i < 2; i++) { |
| 2924 | void *lib = dlopen(path, RTLD_LAZY); |
| 2925 | if (lib == NULL) { |
| 2926 | printf("dlerror: %s\n", dlerror()); |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 2927 | ASSERT_TRUE(lib != NULL); |
Reid Kleckner | 0f92deb | 2013-03-11 18:07:42 +0000 | [diff] [blame] | 2928 | } |
| 2929 | void **(*get_dso_global)() = (void **(*)())dlsym(lib, "get_dso_global"); |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 2930 | ASSERT_TRUE(get_dso_global != NULL); |
Reid Kleckner | 0f92deb | 2013-03-11 18:07:42 +0000 | [diff] [blame] | 2931 | void **dso_global = get_dso_global(); |
| 2932 | EXPECT_NOT_POISONED(*dso_global); |
| 2933 | __msan_poison(dso_global, sizeof(*dso_global)); |
| 2934 | EXPECT_POISONED(*dso_global); |
| 2935 | dlclose(lib); |
| 2936 | } |
Reid Kleckner | 0f92deb | 2013-03-11 18:07:42 +0000 | [diff] [blame] | 2937 | } |
Evgeniy Stepanov | 6c503b9 | 2013-03-22 11:59:49 +0000 | [diff] [blame] | 2938 | |
| 2939 | // Regression test for a crash in dlopen() interceptor. |
| 2940 | TEST(MemorySanitizer, dlopenFailed) { |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 2941 | const char *path = "/libmsan_loadable_does_not_exist.so"; |
Evgeniy Stepanov | 6c503b9 | 2013-03-22 11:59:49 +0000 | [diff] [blame] | 2942 | void *lib = dlopen(path, RTLD_LAZY); |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 2943 | ASSERT_TRUE(lib == NULL); |
Evgeniy Stepanov | 6c503b9 | 2013-03-22 11:59:49 +0000 | [diff] [blame] | 2944 | } |
Reid Kleckner | 0f92deb | 2013-03-11 18:07:42 +0000 | [diff] [blame] | 2945 | |
Evgeniy Stepanov | 263800b | 2013-06-27 13:21:00 +0000 | [diff] [blame] | 2946 | #endif // MSAN_TEST_DISABLE_DLOPEN |
| 2947 | |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 2948 | // There's no sched_getaffinity() on FreeBSD. |
| 2949 | #if !defined(__FreeBSD__) |
Evgeniy Stepanov | 84ba74c | 2013-08-07 09:10:16 +0000 | [diff] [blame] | 2950 | TEST(MemorySanitizer, sched_getaffinity) { |
| 2951 | cpu_set_t mask; |
| 2952 | int res = sched_getaffinity(getpid(), sizeof(mask), &mask); |
| 2953 | ASSERT_EQ(0, res); |
| 2954 | EXPECT_NOT_POISONED(mask); |
| 2955 | } |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 2956 | #endif |
Evgeniy Stepanov | 84ba74c | 2013-08-07 09:10:16 +0000 | [diff] [blame] | 2957 | |
Evgeniy Stepanov | 996c4f2 | 2013-01-18 11:17:23 +0000 | [diff] [blame] | 2958 | TEST(MemorySanitizer, scanf) { |
| 2959 | const char *input = "42 hello"; |
| 2960 | int* d = new int; |
| 2961 | char* s = new char[7]; |
| 2962 | int res = sscanf(input, "%d %5s", d, s); |
| 2963 | printf("res %d\n", res); |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 2964 | ASSERT_EQ(res, 2); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 2965 | EXPECT_NOT_POISONED(*d); |
| 2966 | EXPECT_NOT_POISONED(s[0]); |
| 2967 | EXPECT_NOT_POISONED(s[1]); |
| 2968 | EXPECT_NOT_POISONED(s[2]); |
| 2969 | EXPECT_NOT_POISONED(s[3]); |
| 2970 | EXPECT_NOT_POISONED(s[4]); |
| 2971 | EXPECT_NOT_POISONED(s[5]); |
| 2972 | EXPECT_POISONED(s[6]); |
Stephen Hines | 6d18623 | 2014-11-26 17:56:19 -0800 | [diff] [blame] | 2973 | delete[] s; |
Evgeniy Stepanov | 996c4f2 | 2013-01-18 11:17:23 +0000 | [diff] [blame] | 2974 | delete d; |
| 2975 | } |
| 2976 | |
Evgeniy Stepanov | b9bf700 | 2013-03-19 09:30:52 +0000 | [diff] [blame] | 2977 | static void *SimpleThread_threadfn(void* data) { |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 2978 | return new int; |
| 2979 | } |
| 2980 | |
| 2981 | TEST(MemorySanitizer, SimpleThread) { |
| 2982 | pthread_t t; |
Evgeniy Stepanov | b9bf700 | 2013-03-19 09:30:52 +0000 | [diff] [blame] | 2983 | void *p; |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 2984 | int res = pthread_create(&t, NULL, SimpleThread_threadfn, NULL); |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 2985 | ASSERT_EQ(0, res); |
Evgeniy Stepanov | e4bdda5 | 2013-04-01 14:47:21 +0000 | [diff] [blame] | 2986 | EXPECT_NOT_POISONED(t); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 2987 | res = pthread_join(t, &p); |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 2988 | ASSERT_EQ(0, res); |
Evgeniy Stepanov | 6567092 | 2013-07-30 12:54:34 +0000 | [diff] [blame] | 2989 | EXPECT_NOT_POISONED(p); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 2990 | delete (int*)p; |
| 2991 | } |
| 2992 | |
Evgeniy Stepanov | b9bf700 | 2013-03-19 09:30:52 +0000 | [diff] [blame] | 2993 | static void *SmallStackThread_threadfn(void* data) { |
Evgeniy Stepanov | 10fd322 | 2013-03-13 09:01:40 +0000 | [diff] [blame] | 2994 | return 0; |
| 2995 | } |
| 2996 | |
Pirama Arumuga Nainar | 799172d | 2016-03-03 15:50:30 -0800 | [diff] [blame^] | 2997 | #ifdef PTHREAD_STACK_MIN |
| 2998 | # define SMALLSTACKSIZE PTHREAD_STACK_MIN |
| 2999 | # define SMALLPRESTACKSIZE PTHREAD_STACK_MIN |
| 3000 | #else |
| 3001 | # define SMALLSTACKSIZE 64 * 1024 |
| 3002 | # define SMALLPRESTACKSIZE 16 * 1024 |
| 3003 | #endif |
| 3004 | |
Evgeniy Stepanov | 10fd322 | 2013-03-13 09:01:40 +0000 | [diff] [blame] | 3005 | TEST(MemorySanitizer, SmallStackThread) { |
| 3006 | pthread_attr_t attr; |
| 3007 | pthread_t t; |
Evgeniy Stepanov | b9bf700 | 2013-03-19 09:30:52 +0000 | [diff] [blame] | 3008 | void *p; |
Evgeniy Stepanov | 10fd322 | 2013-03-13 09:01:40 +0000 | [diff] [blame] | 3009 | int res; |
| 3010 | res = pthread_attr_init(&attr); |
| 3011 | ASSERT_EQ(0, res); |
Pirama Arumuga Nainar | 799172d | 2016-03-03 15:50:30 -0800 | [diff] [blame^] | 3012 | res = pthread_attr_setstacksize(&attr, SMALLSTACKSIZE); |
Evgeniy Stepanov | 10fd322 | 2013-03-13 09:01:40 +0000 | [diff] [blame] | 3013 | ASSERT_EQ(0, res); |
Evgeniy Stepanov | b9bf700 | 2013-03-19 09:30:52 +0000 | [diff] [blame] | 3014 | res = pthread_create(&t, &attr, SmallStackThread_threadfn, NULL); |
Evgeniy Stepanov | 10fd322 | 2013-03-13 09:01:40 +0000 | [diff] [blame] | 3015 | ASSERT_EQ(0, res); |
| 3016 | res = pthread_join(t, &p); |
| 3017 | ASSERT_EQ(0, res); |
| 3018 | res = pthread_attr_destroy(&attr); |
| 3019 | ASSERT_EQ(0, res); |
| 3020 | } |
| 3021 | |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 3022 | TEST(MemorySanitizer, SmallPreAllocatedStackThread) { |
Evgeniy Stepanov | b9bf700 | 2013-03-19 09:30:52 +0000 | [diff] [blame] | 3023 | pthread_attr_t attr; |
| 3024 | pthread_t t; |
| 3025 | int res; |
| 3026 | res = pthread_attr_init(&attr); |
| 3027 | ASSERT_EQ(0, res); |
| 3028 | void *stack; |
Pirama Arumuga Nainar | 799172d | 2016-03-03 15:50:30 -0800 | [diff] [blame^] | 3029 | const size_t kStackSize = SMALLPRESTACKSIZE; |
Evgeniy Stepanov | b9bf700 | 2013-03-19 09:30:52 +0000 | [diff] [blame] | 3030 | res = posix_memalign(&stack, 4096, kStackSize); |
| 3031 | ASSERT_EQ(0, res); |
| 3032 | res = pthread_attr_setstack(&attr, stack, kStackSize); |
| 3033 | ASSERT_EQ(0, res); |
Evgeniy Stepanov | b9bf700 | 2013-03-19 09:30:52 +0000 | [diff] [blame] | 3034 | res = pthread_create(&t, &attr, SmallStackThread_threadfn, NULL); |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 3035 | EXPECT_EQ(0, res); |
| 3036 | res = pthread_join(t, NULL); |
| 3037 | ASSERT_EQ(0, res); |
Evgeniy Stepanov | b9bf700 | 2013-03-19 09:30:52 +0000 | [diff] [blame] | 3038 | res = pthread_attr_destroy(&attr); |
| 3039 | ASSERT_EQ(0, res); |
| 3040 | } |
| 3041 | |
Evgeniy Stepanov | e236dbb | 2013-10-25 13:01:31 +0000 | [diff] [blame] | 3042 | TEST(MemorySanitizer, pthread_attr_get) { |
| 3043 | pthread_attr_t attr; |
| 3044 | int res; |
| 3045 | res = pthread_attr_init(&attr); |
| 3046 | ASSERT_EQ(0, res); |
| 3047 | { |
| 3048 | int v; |
| 3049 | res = pthread_attr_getdetachstate(&attr, &v); |
| 3050 | ASSERT_EQ(0, res); |
| 3051 | EXPECT_NOT_POISONED(v); |
| 3052 | } |
| 3053 | { |
| 3054 | size_t v; |
| 3055 | res = pthread_attr_getguardsize(&attr, &v); |
| 3056 | ASSERT_EQ(0, res); |
| 3057 | EXPECT_NOT_POISONED(v); |
| 3058 | } |
| 3059 | { |
| 3060 | struct sched_param v; |
| 3061 | res = pthread_attr_getschedparam(&attr, &v); |
| 3062 | ASSERT_EQ(0, res); |
| 3063 | EXPECT_NOT_POISONED(v); |
| 3064 | } |
| 3065 | { |
| 3066 | int v; |
| 3067 | res = pthread_attr_getschedpolicy(&attr, &v); |
| 3068 | ASSERT_EQ(0, res); |
| 3069 | EXPECT_NOT_POISONED(v); |
| 3070 | } |
| 3071 | { |
| 3072 | int v; |
| 3073 | res = pthread_attr_getinheritsched(&attr, &v); |
| 3074 | ASSERT_EQ(0, res); |
| 3075 | EXPECT_NOT_POISONED(v); |
| 3076 | } |
| 3077 | { |
| 3078 | int v; |
| 3079 | res = pthread_attr_getscope(&attr, &v); |
| 3080 | ASSERT_EQ(0, res); |
| 3081 | EXPECT_NOT_POISONED(v); |
| 3082 | } |
| 3083 | { |
Evgeniy Stepanov | e236dbb | 2013-10-25 13:01:31 +0000 | [diff] [blame] | 3084 | size_t v; |
| 3085 | res = pthread_attr_getstacksize(&attr, &v); |
| 3086 | ASSERT_EQ(0, res); |
| 3087 | EXPECT_NOT_POISONED(v); |
| 3088 | } |
| 3089 | { |
| 3090 | void *v; |
| 3091 | size_t w; |
| 3092 | res = pthread_attr_getstack(&attr, &v, &w); |
| 3093 | ASSERT_EQ(0, res); |
| 3094 | EXPECT_NOT_POISONED(v); |
| 3095 | EXPECT_NOT_POISONED(w); |
| 3096 | } |
| 3097 | { |
| 3098 | cpu_set_t v; |
| 3099 | res = pthread_attr_getaffinity_np(&attr, sizeof(v), &v); |
| 3100 | ASSERT_EQ(0, res); |
| 3101 | EXPECT_NOT_POISONED(v); |
| 3102 | } |
| 3103 | res = pthread_attr_destroy(&attr); |
| 3104 | ASSERT_EQ(0, res); |
| 3105 | } |
| 3106 | |
Evgeniy Stepanov | 56d3472 | 2013-05-21 08:12:08 +0000 | [diff] [blame] | 3107 | TEST(MemorySanitizer, pthread_getschedparam) { |
| 3108 | int policy; |
| 3109 | struct sched_param param; |
| 3110 | int res = pthread_getschedparam(pthread_self(), &policy, ¶m); |
| 3111 | ASSERT_EQ(0, res); |
| 3112 | EXPECT_NOT_POISONED(policy); |
| 3113 | EXPECT_NOT_POISONED(param.sched_priority); |
| 3114 | } |
| 3115 | |
Evgeniy Stepanov | 737da2f | 2013-07-05 12:31:07 +0000 | [diff] [blame] | 3116 | TEST(MemorySanitizer, pthread_key_create) { |
| 3117 | pthread_key_t key; |
| 3118 | int res = pthread_key_create(&key, NULL); |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 3119 | ASSERT_EQ(0, res); |
Evgeniy Stepanov | 737da2f | 2013-07-05 12:31:07 +0000 | [diff] [blame] | 3120 | EXPECT_NOT_POISONED(key); |
| 3121 | res = pthread_key_delete(key); |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 3122 | ASSERT_EQ(0, res); |
Evgeniy Stepanov | 737da2f | 2013-07-05 12:31:07 +0000 | [diff] [blame] | 3123 | } |
| 3124 | |
Alexey Samsonov | 5e2d377 | 2013-10-16 08:20:31 +0000 | [diff] [blame] | 3125 | namespace { |
| 3126 | struct SignalCondArg { |
| 3127 | pthread_cond_t* cond; |
| 3128 | pthread_mutex_t* mu; |
Alexey Samsonov | fc81346 | 2013-10-17 09:24:03 +0000 | [diff] [blame] | 3129 | bool broadcast; |
Alexey Samsonov | 5e2d377 | 2013-10-16 08:20:31 +0000 | [diff] [blame] | 3130 | }; |
| 3131 | |
| 3132 | void *SignalCond(void *param) { |
| 3133 | SignalCondArg *arg = reinterpret_cast<SignalCondArg *>(param); |
| 3134 | pthread_mutex_lock(arg->mu); |
Alexey Samsonov | fc81346 | 2013-10-17 09:24:03 +0000 | [diff] [blame] | 3135 | if (arg->broadcast) |
| 3136 | pthread_cond_broadcast(arg->cond); |
| 3137 | else |
| 3138 | pthread_cond_signal(arg->cond); |
Alexey Samsonov | 5e2d377 | 2013-10-16 08:20:31 +0000 | [diff] [blame] | 3139 | pthread_mutex_unlock(arg->mu); |
| 3140 | return 0; |
| 3141 | } |
| 3142 | } // namespace |
| 3143 | |
| 3144 | TEST(MemorySanitizer, pthread_cond_wait) { |
| 3145 | pthread_cond_t cond; |
| 3146 | pthread_mutex_t mu; |
Alexey Samsonov | fc81346 | 2013-10-17 09:24:03 +0000 | [diff] [blame] | 3147 | SignalCondArg args = {&cond, &mu, false}; |
Alexey Samsonov | 5e2d377 | 2013-10-16 08:20:31 +0000 | [diff] [blame] | 3148 | pthread_cond_init(&cond, 0); |
| 3149 | pthread_mutex_init(&mu, 0); |
Alexey Samsonov | 5e2d377 | 2013-10-16 08:20:31 +0000 | [diff] [blame] | 3150 | pthread_mutex_lock(&mu); |
Alexey Samsonov | fc81346 | 2013-10-17 09:24:03 +0000 | [diff] [blame] | 3151 | |
| 3152 | // signal |
Alexey Samsonov | 5e2d377 | 2013-10-16 08:20:31 +0000 | [diff] [blame] | 3153 | pthread_t thr; |
| 3154 | pthread_create(&thr, 0, SignalCond, &args); |
| 3155 | int res = pthread_cond_wait(&cond, &mu); |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 3156 | ASSERT_EQ(0, res); |
Alexey Samsonov | 5e2d377 | 2013-10-16 08:20:31 +0000 | [diff] [blame] | 3157 | pthread_join(thr, 0); |
Alexey Samsonov | fc81346 | 2013-10-17 09:24:03 +0000 | [diff] [blame] | 3158 | |
| 3159 | // broadcast |
| 3160 | args.broadcast = true; |
| 3161 | pthread_create(&thr, 0, SignalCond, &args); |
| 3162 | res = pthread_cond_wait(&cond, &mu); |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 3163 | ASSERT_EQ(0, res); |
Alexey Samsonov | fc81346 | 2013-10-17 09:24:03 +0000 | [diff] [blame] | 3164 | pthread_join(thr, 0); |
| 3165 | |
Alexey Samsonov | 5e2d377 | 2013-10-16 08:20:31 +0000 | [diff] [blame] | 3166 | pthread_mutex_unlock(&mu); |
| 3167 | pthread_mutex_destroy(&mu); |
| 3168 | pthread_cond_destroy(&cond); |
| 3169 | } |
| 3170 | |
Evgeniy Stepanov | eada1a8 | 2013-10-25 15:51:48 +0000 | [diff] [blame] | 3171 | TEST(MemorySanitizer, tmpnam) { |
| 3172 | char s[L_tmpnam]; |
| 3173 | char *res = tmpnam(s); |
| 3174 | ASSERT_EQ(s, res); |
| 3175 | EXPECT_NOT_POISONED(strlen(res)); |
| 3176 | } |
| 3177 | |
| 3178 | TEST(MemorySanitizer, tempnam) { |
| 3179 | char *res = tempnam(NULL, "zzz"); |
| 3180 | EXPECT_NOT_POISONED(strlen(res)); |
| 3181 | free(res); |
| 3182 | } |
| 3183 | |
Evgeniy Stepanov | b6c8e47 | 2013-04-23 13:27:36 +0000 | [diff] [blame] | 3184 | TEST(MemorySanitizer, posix_memalign) { |
| 3185 | void *p; |
| 3186 | EXPECT_POISONED(p); |
| 3187 | int res = posix_memalign(&p, 4096, 13); |
| 3188 | ASSERT_EQ(0, res); |
| 3189 | EXPECT_NOT_POISONED(p); |
Evgeniy Stepanov | 97160a8 | 2013-09-02 09:24:53 +0000 | [diff] [blame] | 3190 | EXPECT_EQ(0U, (uintptr_t)p % 4096); |
| 3191 | free(p); |
| 3192 | } |
| 3193 | |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 3194 | // There's no memalign() on FreeBSD. |
| 3195 | #if !defined(__FreeBSD__) |
Evgeniy Stepanov | 97160a8 | 2013-09-02 09:24:53 +0000 | [diff] [blame] | 3196 | TEST(MemorySanitizer, memalign) { |
| 3197 | void *p = memalign(4096, 13); |
| 3198 | EXPECT_EQ(0U, (uintptr_t)p % kPageSize); |
| 3199 | free(p); |
| 3200 | } |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 3201 | #endif |
Evgeniy Stepanov | 97160a8 | 2013-09-02 09:24:53 +0000 | [diff] [blame] | 3202 | |
| 3203 | TEST(MemorySanitizer, valloc) { |
| 3204 | void *a = valloc(100); |
| 3205 | EXPECT_EQ(0U, (uintptr_t)a % kPageSize); |
| 3206 | free(a); |
| 3207 | } |
| 3208 | |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 3209 | // There's no pvalloc() on FreeBSD. |
| 3210 | #if !defined(__FreeBSD__) |
Evgeniy Stepanov | 97160a8 | 2013-09-02 09:24:53 +0000 | [diff] [blame] | 3211 | TEST(MemorySanitizer, pvalloc) { |
| 3212 | void *p = pvalloc(kPageSize + 100); |
| 3213 | EXPECT_EQ(0U, (uintptr_t)p % kPageSize); |
Stephen Hines | 6a211c5 | 2014-07-21 00:49:56 -0700 | [diff] [blame] | 3214 | EXPECT_EQ(2 * kPageSize, __sanitizer_get_allocated_size(p)); |
Evgeniy Stepanov | 97160a8 | 2013-09-02 09:24:53 +0000 | [diff] [blame] | 3215 | free(p); |
| 3216 | |
| 3217 | p = pvalloc(0); // pvalloc(0) should allocate at least one page. |
| 3218 | EXPECT_EQ(0U, (uintptr_t)p % kPageSize); |
Stephen Hines | 6a211c5 | 2014-07-21 00:49:56 -0700 | [diff] [blame] | 3219 | EXPECT_EQ(kPageSize, __sanitizer_get_allocated_size(p)); |
Evgeniy Stepanov | b6c8e47 | 2013-04-23 13:27:36 +0000 | [diff] [blame] | 3220 | free(p); |
| 3221 | } |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 3222 | #endif |
Evgeniy Stepanov | b6c8e47 | 2013-04-23 13:27:36 +0000 | [diff] [blame] | 3223 | |
Evgeniy Stepanov | 9530eb7 | 2013-04-23 14:05:15 +0000 | [diff] [blame] | 3224 | TEST(MemorySanitizer, inet_pton) { |
| 3225 | const char *s = "1:0:0:0:0:0:0:8"; |
| 3226 | unsigned char buf[sizeof(struct in6_addr)]; |
| 3227 | int res = inet_pton(AF_INET6, s, buf); |
| 3228 | ASSERT_EQ(1, res); |
| 3229 | EXPECT_NOT_POISONED(buf[0]); |
| 3230 | EXPECT_NOT_POISONED(buf[sizeof(struct in6_addr) - 1]); |
| 3231 | |
| 3232 | char s_out[INET6_ADDRSTRLEN]; |
| 3233 | EXPECT_POISONED(s_out[3]); |
| 3234 | const char *q = inet_ntop(AF_INET6, buf, s_out, INET6_ADDRSTRLEN); |
| 3235 | ASSERT_NE((void*)0, q); |
| 3236 | EXPECT_NOT_POISONED(s_out[3]); |
| 3237 | } |
| 3238 | |
Evgeniy Stepanov | 9d60087 | 2013-06-24 13:56:14 +0000 | [diff] [blame] | 3239 | TEST(MemorySanitizer, inet_aton) { |
| 3240 | const char *s = "127.0.0.1"; |
| 3241 | struct in_addr in[2]; |
| 3242 | int res = inet_aton(s, in); |
| 3243 | ASSERT_NE(0, res); |
| 3244 | EXPECT_NOT_POISONED(in[0]); |
| 3245 | EXPECT_POISONED(*(char *)(in + 1)); |
| 3246 | } |
| 3247 | |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 3248 | TEST(MemorySanitizer, uname) { |
| 3249 | struct utsname u; |
| 3250 | int res = uname(&u); |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 3251 | ASSERT_EQ(0, res); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 3252 | EXPECT_NOT_POISONED(strlen(u.sysname)); |
| 3253 | EXPECT_NOT_POISONED(strlen(u.nodename)); |
| 3254 | EXPECT_NOT_POISONED(strlen(u.release)); |
| 3255 | EXPECT_NOT_POISONED(strlen(u.version)); |
| 3256 | EXPECT_NOT_POISONED(strlen(u.machine)); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 3257 | } |
| 3258 | |
Evgeniy Stepanov | 95d0588 | 2013-01-23 10:43:38 +0000 | [diff] [blame] | 3259 | TEST(MemorySanitizer, gethostname) { |
| 3260 | char buf[100]; |
| 3261 | int res = gethostname(buf, 100); |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 3262 | ASSERT_EQ(0, res); |
Evgeniy Stepanov | 95d0588 | 2013-01-23 10:43:38 +0000 | [diff] [blame] | 3263 | EXPECT_NOT_POISONED(strlen(buf)); |
| 3264 | } |
| 3265 | |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 3266 | // There's no sysinfo() on FreeBSD. |
| 3267 | #if !defined(__FreeBSD__) |
Evgeniy Stepanov | 359d7fc | 2013-06-24 14:25:33 +0000 | [diff] [blame] | 3268 | TEST(MemorySanitizer, sysinfo) { |
| 3269 | struct sysinfo info; |
| 3270 | int res = sysinfo(&info); |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 3271 | ASSERT_EQ(0, res); |
Evgeniy Stepanov | 359d7fc | 2013-06-24 14:25:33 +0000 | [diff] [blame] | 3272 | EXPECT_NOT_POISONED(info); |
| 3273 | } |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 3274 | #endif |
Evgeniy Stepanov | 359d7fc | 2013-06-24 14:25:33 +0000 | [diff] [blame] | 3275 | |
Evgeniy Stepanov | e4bdda5 | 2013-04-01 14:47:21 +0000 | [diff] [blame] | 3276 | TEST(MemorySanitizer, getpwuid) { |
| 3277 | struct passwd *p = getpwuid(0); // root |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 3278 | ASSERT_TRUE(p != NULL); |
Evgeniy Stepanov | e4bdda5 | 2013-04-01 14:47:21 +0000 | [diff] [blame] | 3279 | EXPECT_NOT_POISONED(p->pw_name); |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 3280 | ASSERT_TRUE(p->pw_name != NULL); |
Evgeniy Stepanov | e4bdda5 | 2013-04-01 14:47:21 +0000 | [diff] [blame] | 3281 | EXPECT_NOT_POISONED(p->pw_name[0]); |
| 3282 | EXPECT_NOT_POISONED(p->pw_uid); |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 3283 | ASSERT_EQ(0U, p->pw_uid); |
| 3284 | } |
| 3285 | |
| 3286 | TEST(MemorySanitizer, getpwuid_r) { |
| 3287 | struct passwd pwd; |
| 3288 | struct passwd *pwdres; |
| 3289 | char buf[10000]; |
| 3290 | int res = getpwuid_r(0, &pwd, buf, sizeof(buf), &pwdres); |
| 3291 | ASSERT_EQ(0, res); |
| 3292 | EXPECT_NOT_POISONED(pwd.pw_name); |
| 3293 | ASSERT_TRUE(pwd.pw_name != NULL); |
| 3294 | EXPECT_NOT_POISONED(pwd.pw_name[0]); |
| 3295 | EXPECT_NOT_POISONED(pwd.pw_uid); |
| 3296 | ASSERT_EQ(0U, pwd.pw_uid); |
| 3297 | EXPECT_NOT_POISONED(pwdres); |
Evgeniy Stepanov | e4bdda5 | 2013-04-01 14:47:21 +0000 | [diff] [blame] | 3298 | } |
| 3299 | |
| 3300 | TEST(MemorySanitizer, getpwnam_r) { |
| 3301 | struct passwd pwd; |
| 3302 | struct passwd *pwdres; |
| 3303 | char buf[10000]; |
| 3304 | int res = getpwnam_r("root", &pwd, buf, sizeof(buf), &pwdres); |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 3305 | ASSERT_EQ(0, res); |
Evgeniy Stepanov | e4bdda5 | 2013-04-01 14:47:21 +0000 | [diff] [blame] | 3306 | EXPECT_NOT_POISONED(pwd.pw_name); |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 3307 | ASSERT_TRUE(pwd.pw_name != NULL); |
Evgeniy Stepanov | e4bdda5 | 2013-04-01 14:47:21 +0000 | [diff] [blame] | 3308 | EXPECT_NOT_POISONED(pwd.pw_name[0]); |
| 3309 | EXPECT_NOT_POISONED(pwd.pw_uid); |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 3310 | ASSERT_EQ(0U, pwd.pw_uid); |
| 3311 | EXPECT_NOT_POISONED(pwdres); |
Evgeniy Stepanov | e4bdda5 | 2013-04-01 14:47:21 +0000 | [diff] [blame] | 3312 | } |
| 3313 | |
| 3314 | TEST(MemorySanitizer, getpwnam_r_positive) { |
| 3315 | struct passwd pwd; |
| 3316 | struct passwd *pwdres; |
| 3317 | char s[5]; |
| 3318 | strncpy(s, "abcd", 5); |
| 3319 | __msan_poison(s, 5); |
| 3320 | char buf[10000]; |
| 3321 | int res; |
| 3322 | EXPECT_UMR(res = getpwnam_r(s, &pwd, buf, sizeof(buf), &pwdres)); |
| 3323 | } |
| 3324 | |
Evgeniy Stepanov | 103a63e | 2013-04-23 12:01:20 +0000 | [diff] [blame] | 3325 | TEST(MemorySanitizer, getgrnam_r) { |
| 3326 | struct group grp; |
| 3327 | struct group *grpres; |
| 3328 | char buf[10000]; |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 3329 | int res = getgrnam_r(SUPERUSER_GROUP, &grp, buf, sizeof(buf), &grpres); |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 3330 | ASSERT_EQ(0, res); |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 3331 | // Note that getgrnam_r() returns 0 if the matching group is not found. |
| 3332 | ASSERT_NE(nullptr, grpres); |
Evgeniy Stepanov | 103a63e | 2013-04-23 12:01:20 +0000 | [diff] [blame] | 3333 | EXPECT_NOT_POISONED(grp.gr_name); |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 3334 | ASSERT_TRUE(grp.gr_name != NULL); |
Evgeniy Stepanov | 103a63e | 2013-04-23 12:01:20 +0000 | [diff] [blame] | 3335 | EXPECT_NOT_POISONED(grp.gr_name[0]); |
| 3336 | EXPECT_NOT_POISONED(grp.gr_gid); |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 3337 | EXPECT_NOT_POISONED(grpres); |
| 3338 | } |
| 3339 | |
| 3340 | TEST(MemorySanitizer, getpwent) { |
| 3341 | setpwent(); |
| 3342 | struct passwd *p = getpwent(); |
| 3343 | ASSERT_TRUE(p != NULL); |
| 3344 | EXPECT_NOT_POISONED(p->pw_name); |
| 3345 | ASSERT_TRUE(p->pw_name != NULL); |
| 3346 | EXPECT_NOT_POISONED(p->pw_name[0]); |
| 3347 | EXPECT_NOT_POISONED(p->pw_uid); |
| 3348 | } |
| 3349 | |
| 3350 | TEST(MemorySanitizer, getpwent_r) { |
| 3351 | struct passwd pwd; |
| 3352 | struct passwd *pwdres; |
| 3353 | char buf[10000]; |
| 3354 | setpwent(); |
| 3355 | int res = getpwent_r(&pwd, buf, sizeof(buf), &pwdres); |
| 3356 | ASSERT_EQ(0, res); |
| 3357 | EXPECT_NOT_POISONED(pwd.pw_name); |
| 3358 | ASSERT_TRUE(pwd.pw_name != NULL); |
| 3359 | EXPECT_NOT_POISONED(pwd.pw_name[0]); |
| 3360 | EXPECT_NOT_POISONED(pwd.pw_uid); |
| 3361 | EXPECT_NOT_POISONED(pwdres); |
| 3362 | } |
| 3363 | |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 3364 | // There's no fgetpwent() on FreeBSD. |
| 3365 | #if !defined(__FreeBSD__) |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 3366 | TEST(MemorySanitizer, fgetpwent) { |
| 3367 | FILE *fp = fopen("/etc/passwd", "r"); |
| 3368 | struct passwd *p = fgetpwent(fp); |
| 3369 | ASSERT_TRUE(p != NULL); |
| 3370 | EXPECT_NOT_POISONED(p->pw_name); |
| 3371 | ASSERT_TRUE(p->pw_name != NULL); |
| 3372 | EXPECT_NOT_POISONED(p->pw_name[0]); |
| 3373 | EXPECT_NOT_POISONED(p->pw_uid); |
| 3374 | fclose(fp); |
| 3375 | } |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 3376 | #endif |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 3377 | |
| 3378 | TEST(MemorySanitizer, getgrent) { |
| 3379 | setgrent(); |
| 3380 | struct group *p = getgrent(); |
| 3381 | ASSERT_TRUE(p != NULL); |
| 3382 | EXPECT_NOT_POISONED(p->gr_name); |
| 3383 | ASSERT_TRUE(p->gr_name != NULL); |
| 3384 | EXPECT_NOT_POISONED(p->gr_name[0]); |
| 3385 | EXPECT_NOT_POISONED(p->gr_gid); |
| 3386 | } |
| 3387 | |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 3388 | // There's no fgetgrent() on FreeBSD. |
| 3389 | #if !defined(__FreeBSD__) |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 3390 | TEST(MemorySanitizer, fgetgrent) { |
| 3391 | FILE *fp = fopen("/etc/group", "r"); |
| 3392 | struct group *grp = fgetgrent(fp); |
| 3393 | ASSERT_TRUE(grp != NULL); |
| 3394 | EXPECT_NOT_POISONED(grp->gr_name); |
| 3395 | ASSERT_TRUE(grp->gr_name != NULL); |
| 3396 | EXPECT_NOT_POISONED(grp->gr_name[0]); |
| 3397 | EXPECT_NOT_POISONED(grp->gr_gid); |
| 3398 | for (char **p = grp->gr_mem; *p; ++p) { |
| 3399 | EXPECT_NOT_POISONED((*p)[0]); |
| 3400 | EXPECT_TRUE(strlen(*p) > 0); |
| 3401 | } |
| 3402 | fclose(fp); |
| 3403 | } |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 3404 | #endif |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 3405 | |
| 3406 | TEST(MemorySanitizer, getgrent_r) { |
| 3407 | struct group grp; |
| 3408 | struct group *grpres; |
| 3409 | char buf[10000]; |
| 3410 | setgrent(); |
| 3411 | int res = getgrent_r(&grp, buf, sizeof(buf), &grpres); |
| 3412 | ASSERT_EQ(0, res); |
| 3413 | EXPECT_NOT_POISONED(grp.gr_name); |
| 3414 | ASSERT_TRUE(grp.gr_name != NULL); |
| 3415 | EXPECT_NOT_POISONED(grp.gr_name[0]); |
| 3416 | EXPECT_NOT_POISONED(grp.gr_gid); |
| 3417 | EXPECT_NOT_POISONED(grpres); |
| 3418 | } |
| 3419 | |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 3420 | // There's no fgetgrent_r() on FreeBSD. |
| 3421 | #if !defined(__FreeBSD__) |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 3422 | TEST(MemorySanitizer, fgetgrent_r) { |
| 3423 | FILE *fp = fopen("/etc/group", "r"); |
| 3424 | struct group grp; |
| 3425 | struct group *grpres; |
| 3426 | char buf[10000]; |
| 3427 | setgrent(); |
| 3428 | int res = fgetgrent_r(fp, &grp, buf, sizeof(buf), &grpres); |
| 3429 | ASSERT_EQ(0, res); |
| 3430 | EXPECT_NOT_POISONED(grp.gr_name); |
| 3431 | ASSERT_TRUE(grp.gr_name != NULL); |
| 3432 | EXPECT_NOT_POISONED(grp.gr_name[0]); |
| 3433 | EXPECT_NOT_POISONED(grp.gr_gid); |
| 3434 | EXPECT_NOT_POISONED(grpres); |
| 3435 | fclose(fp); |
Evgeniy Stepanov | 103a63e | 2013-04-23 12:01:20 +0000 | [diff] [blame] | 3436 | } |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 3437 | #endif |
Evgeniy Stepanov | 103a63e | 2013-04-23 12:01:20 +0000 | [diff] [blame] | 3438 | |
Evgeniy Stepanov | edff34b | 2013-08-12 11:01:40 +0000 | [diff] [blame] | 3439 | TEST(MemorySanitizer, getgroups) { |
| 3440 | int n = getgroups(0, 0); |
| 3441 | gid_t *gids = new gid_t[n]; |
| 3442 | int res = getgroups(n, gids); |
| 3443 | ASSERT_EQ(n, res); |
| 3444 | for (int i = 0; i < n; ++i) |
| 3445 | EXPECT_NOT_POISONED(gids[i]); |
| 3446 | } |
| 3447 | |
Evgeniy Stepanov | c5a3855 | 2013-09-24 14:38:22 +0000 | [diff] [blame] | 3448 | TEST(MemorySanitizer, wordexp) { |
| 3449 | wordexp_t w; |
| 3450 | int res = wordexp("a b c", &w, 0); |
| 3451 | ASSERT_EQ(0, res); |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 3452 | ASSERT_EQ(3U, w.we_wordc); |
Evgeniy Stepanov | c5a3855 | 2013-09-24 14:38:22 +0000 | [diff] [blame] | 3453 | ASSERT_STREQ("a", w.we_wordv[0]); |
| 3454 | ASSERT_STREQ("b", w.we_wordv[1]); |
| 3455 | ASSERT_STREQ("c", w.we_wordv[2]); |
| 3456 | } |
| 3457 | |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 3458 | template<class T> |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 3459 | static bool applySlt(T value, T shadow) { |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 3460 | __msan_partial_poison(&value, &shadow, sizeof(T)); |
| 3461 | volatile bool zzz = true; |
| 3462 | // This "|| zzz" trick somehow makes LLVM emit "icmp slt" instead of |
| 3463 | // a shift-and-trunc to get at the highest bit. |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 3464 | volatile bool v = value < 0 || zzz; |
| 3465 | return v; |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 3466 | } |
| 3467 | |
| 3468 | TEST(MemorySanitizer, SignedCompareWithZero) { |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 3469 | EXPECT_NOT_POISONED(applySlt<S4>(0xF, 0xF)); |
| 3470 | EXPECT_NOT_POISONED(applySlt<S4>(0xF, 0xFF)); |
| 3471 | EXPECT_NOT_POISONED(applySlt<S4>(0xF, 0xFFFFFF)); |
| 3472 | EXPECT_NOT_POISONED(applySlt<S4>(0xF, 0x7FFFFFF)); |
| 3473 | EXPECT_UMR(applySlt<S4>(0xF, 0x80FFFFFF)); |
| 3474 | EXPECT_UMR(applySlt<S4>(0xF, 0xFFFFFFFF)); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 3475 | } |
| 3476 | |
Evgeniy Stepanov | 9a22a3d | 2013-01-25 15:39:11 +0000 | [diff] [blame] | 3477 | template <class T, class S> |
| 3478 | static T poisoned(T Va, S Sa) { |
| 3479 | char SIZE_CHECK1[(ssize_t)sizeof(T) - (ssize_t)sizeof(S)]; |
| 3480 | char SIZE_CHECK2[(ssize_t)sizeof(S) - (ssize_t)sizeof(T)]; |
| 3481 | T a; |
| 3482 | a = Va; |
| 3483 | __msan_partial_poison(&a, &Sa, sizeof(T)); |
| 3484 | return a; |
| 3485 | } |
| 3486 | |
| 3487 | TEST(MemorySanitizer, ICmpRelational) { |
| 3488 | EXPECT_NOT_POISONED(poisoned(0, 0) < poisoned(0, 0)); |
| 3489 | EXPECT_NOT_POISONED(poisoned(0U, 0) < poisoned(0U, 0)); |
| 3490 | EXPECT_NOT_POISONED(poisoned(0LL, 0LLU) < poisoned(0LL, 0LLU)); |
| 3491 | EXPECT_NOT_POISONED(poisoned(0LLU, 0LLU) < poisoned(0LLU, 0LLU)); |
| 3492 | EXPECT_POISONED(poisoned(0xFF, 0xFF) < poisoned(0xFF, 0xFF)); |
| 3493 | EXPECT_POISONED(poisoned(0xFFFFFFFFU, 0xFFFFFFFFU) < |
| 3494 | poisoned(0xFFFFFFFFU, 0xFFFFFFFFU)); |
| 3495 | EXPECT_POISONED(poisoned(-1, 0xFFFFFFFFU) < |
| 3496 | poisoned(-1, 0xFFFFFFFFU)); |
| 3497 | |
| 3498 | EXPECT_NOT_POISONED(poisoned(0, 0) <= poisoned(0, 0)); |
| 3499 | EXPECT_NOT_POISONED(poisoned(0U, 0) <= poisoned(0U, 0)); |
| 3500 | EXPECT_NOT_POISONED(poisoned(0LL, 0LLU) <= poisoned(0LL, 0LLU)); |
| 3501 | EXPECT_NOT_POISONED(poisoned(0LLU, 0LLU) <= poisoned(0LLU, 0LLU)); |
| 3502 | EXPECT_POISONED(poisoned(0xFF, 0xFF) <= poisoned(0xFF, 0xFF)); |
| 3503 | EXPECT_POISONED(poisoned(0xFFFFFFFFU, 0xFFFFFFFFU) <= |
| 3504 | poisoned(0xFFFFFFFFU, 0xFFFFFFFFU)); |
| 3505 | EXPECT_POISONED(poisoned(-1, 0xFFFFFFFFU) <= |
| 3506 | poisoned(-1, 0xFFFFFFFFU)); |
| 3507 | |
| 3508 | EXPECT_NOT_POISONED(poisoned(0, 0) > poisoned(0, 0)); |
| 3509 | EXPECT_NOT_POISONED(poisoned(0U, 0) > poisoned(0U, 0)); |
| 3510 | EXPECT_NOT_POISONED(poisoned(0LL, 0LLU) > poisoned(0LL, 0LLU)); |
| 3511 | EXPECT_NOT_POISONED(poisoned(0LLU, 0LLU) > poisoned(0LLU, 0LLU)); |
| 3512 | EXPECT_POISONED(poisoned(0xFF, 0xFF) > poisoned(0xFF, 0xFF)); |
| 3513 | EXPECT_POISONED(poisoned(0xFFFFFFFFU, 0xFFFFFFFFU) > |
| 3514 | poisoned(0xFFFFFFFFU, 0xFFFFFFFFU)); |
| 3515 | EXPECT_POISONED(poisoned(-1, 0xFFFFFFFFU) > |
| 3516 | poisoned(-1, 0xFFFFFFFFU)); |
| 3517 | |
| 3518 | EXPECT_NOT_POISONED(poisoned(0, 0) >= poisoned(0, 0)); |
| 3519 | EXPECT_NOT_POISONED(poisoned(0U, 0) >= poisoned(0U, 0)); |
| 3520 | EXPECT_NOT_POISONED(poisoned(0LL, 0LLU) >= poisoned(0LL, 0LLU)); |
| 3521 | EXPECT_NOT_POISONED(poisoned(0LLU, 0LLU) >= poisoned(0LLU, 0LLU)); |
| 3522 | EXPECT_POISONED(poisoned(0xFF, 0xFF) >= poisoned(0xFF, 0xFF)); |
| 3523 | EXPECT_POISONED(poisoned(0xFFFFFFFFU, 0xFFFFFFFFU) >= |
| 3524 | poisoned(0xFFFFFFFFU, 0xFFFFFFFFU)); |
| 3525 | EXPECT_POISONED(poisoned(-1, 0xFFFFFFFFU) >= |
| 3526 | poisoned(-1, 0xFFFFFFFFU)); |
| 3527 | |
Evgeniy Stepanov | 9a22a3d | 2013-01-25 15:39:11 +0000 | [diff] [blame] | 3528 | EXPECT_POISONED(poisoned(6, 0xF) > poisoned(7, 0)); |
| 3529 | EXPECT_POISONED(poisoned(0xF, 0xF) > poisoned(7, 0)); |
| 3530 | |
| 3531 | EXPECT_NOT_POISONED(poisoned(-1, 0x80000000U) >= poisoned(-1, 0U)); |
Evgeniy Stepanov | 9a22a3d | 2013-01-25 15:39:11 +0000 | [diff] [blame] | 3532 | } |
| 3533 | |
| 3534 | #if MSAN_HAS_M128 |
| 3535 | TEST(MemorySanitizer, ICmpVectorRelational) { |
Evgeniy Stepanov | b921bf2 | 2013-04-16 14:09:47 +0000 | [diff] [blame] | 3536 | EXPECT_NOT_POISONED( |
| 3537 | _mm_cmplt_epi16(poisoned(_mm_set1_epi16(0), _mm_set1_epi16(0)), |
| 3538 | poisoned(_mm_set1_epi16(0), _mm_set1_epi16(0)))); |
| 3539 | EXPECT_NOT_POISONED( |
| 3540 | _mm_cmplt_epi16(poisoned(_mm_set1_epi32(0), _mm_set1_epi32(0)), |
| 3541 | poisoned(_mm_set1_epi32(0), _mm_set1_epi32(0)))); |
| 3542 | EXPECT_POISONED( |
| 3543 | _mm_cmplt_epi16(poisoned(_mm_set1_epi16(0), _mm_set1_epi16(0xFFFF)), |
| 3544 | poisoned(_mm_set1_epi16(0), _mm_set1_epi16(0xFFFF)))); |
| 3545 | EXPECT_POISONED(_mm_cmpgt_epi16(poisoned(_mm_set1_epi16(6), _mm_set1_epi16(0xF)), |
| 3546 | poisoned(_mm_set1_epi16(7), _mm_set1_epi16(0)))); |
Evgeniy Stepanov | 9a22a3d | 2013-01-25 15:39:11 +0000 | [diff] [blame] | 3547 | } |
| 3548 | #endif |
| 3549 | |
Evgeniy Stepanov | 2efa142 | 2013-01-22 12:31:39 +0000 | [diff] [blame] | 3550 | // Volatile bitfield store is implemented as load-mask-store |
| 3551 | // Test that we don't warn on the store of (uninitialized) padding. |
| 3552 | struct VolatileBitfieldStruct { |
| 3553 | volatile unsigned x : 1; |
| 3554 | unsigned y : 1; |
| 3555 | }; |
| 3556 | |
| 3557 | TEST(MemorySanitizer, VolatileBitfield) { |
| 3558 | VolatileBitfieldStruct *S = new VolatileBitfieldStruct; |
| 3559 | S->x = 1; |
Evgeniy Stepanov | 02f4a94 | 2013-01-22 12:33:11 +0000 | [diff] [blame] | 3560 | EXPECT_NOT_POISONED((unsigned)S->x); |
| 3561 | EXPECT_POISONED((unsigned)S->y); |
Evgeniy Stepanov | 2efa142 | 2013-01-22 12:31:39 +0000 | [diff] [blame] | 3562 | } |
| 3563 | |
Evgeniy Stepanov | f43f602 | 2013-06-04 13:08:36 +0000 | [diff] [blame] | 3564 | TEST(MemorySanitizer, UnalignedLoad) { |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 3565 | char x[32] __attribute__((aligned(8))); |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 3566 | U4 origin = __LINE__; |
| 3567 | for (unsigned i = 0; i < sizeof(x) / 4; ++i) |
| 3568 | __msan_set_origin(x + 4 * i, 4, origin + i); |
| 3569 | |
Evgeniy Stepanov | f43f602 | 2013-06-04 13:08:36 +0000 | [diff] [blame] | 3570 | memset(x + 8, 0, 16); |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 3571 | EXPECT_POISONED_O(__sanitizer_unaligned_load16(x + 6), origin + 1); |
| 3572 | EXPECT_POISONED_O(__sanitizer_unaligned_load16(x + 7), origin + 1); |
| 3573 | EXPECT_NOT_POISONED(__sanitizer_unaligned_load16(x + 8)); |
| 3574 | EXPECT_NOT_POISONED(__sanitizer_unaligned_load16(x + 9)); |
| 3575 | EXPECT_NOT_POISONED(__sanitizer_unaligned_load16(x + 22)); |
| 3576 | EXPECT_POISONED_O(__sanitizer_unaligned_load16(x + 23), origin + 6); |
| 3577 | EXPECT_POISONED_O(__sanitizer_unaligned_load16(x + 24), origin + 6); |
Evgeniy Stepanov | f43f602 | 2013-06-04 13:08:36 +0000 | [diff] [blame] | 3578 | |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 3579 | EXPECT_POISONED_O(__sanitizer_unaligned_load32(x + 4), origin + 1); |
| 3580 | EXPECT_POISONED_O(__sanitizer_unaligned_load32(x + 7), origin + 1); |
| 3581 | EXPECT_NOT_POISONED(__sanitizer_unaligned_load32(x + 8)); |
| 3582 | EXPECT_NOT_POISONED(__sanitizer_unaligned_load32(x + 9)); |
| 3583 | EXPECT_NOT_POISONED(__sanitizer_unaligned_load32(x + 20)); |
| 3584 | EXPECT_POISONED_O(__sanitizer_unaligned_load32(x + 21), origin + 6); |
| 3585 | EXPECT_POISONED_O(__sanitizer_unaligned_load32(x + 24), origin + 6); |
Evgeniy Stepanov | f43f602 | 2013-06-04 13:08:36 +0000 | [diff] [blame] | 3586 | |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 3587 | EXPECT_POISONED_O(__sanitizer_unaligned_load64(x), origin); |
| 3588 | EXPECT_POISONED_O(__sanitizer_unaligned_load64(x + 1), origin); |
| 3589 | EXPECT_POISONED_O(__sanitizer_unaligned_load64(x + 7), origin + 1); |
| 3590 | EXPECT_NOT_POISONED(__sanitizer_unaligned_load64(x + 8)); |
| 3591 | EXPECT_NOT_POISONED(__sanitizer_unaligned_load64(x + 9)); |
| 3592 | EXPECT_NOT_POISONED(__sanitizer_unaligned_load64(x + 16)); |
| 3593 | EXPECT_POISONED_O(__sanitizer_unaligned_load64(x + 17), origin + 6); |
| 3594 | EXPECT_POISONED_O(__sanitizer_unaligned_load64(x + 21), origin + 6); |
| 3595 | EXPECT_POISONED_O(__sanitizer_unaligned_load64(x + 24), origin + 6); |
Evgeniy Stepanov | f43f602 | 2013-06-04 13:08:36 +0000 | [diff] [blame] | 3596 | } |
| 3597 | |
| 3598 | TEST(MemorySanitizer, UnalignedStore16) { |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 3599 | char x[5] __attribute__((aligned(4))); |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 3600 | U2 y2 = 0; |
| 3601 | U4 origin = __LINE__; |
| 3602 | __msan_poison(&y2, 1); |
| 3603 | __msan_set_origin(&y2, 1, origin); |
| 3604 | |
| 3605 | __sanitizer_unaligned_store16(x + 1, y2); |
| 3606 | EXPECT_POISONED_O(x[0], origin); |
| 3607 | EXPECT_POISONED_O(x[1], origin); |
Evgeniy Stepanov | f43f602 | 2013-06-04 13:08:36 +0000 | [diff] [blame] | 3608 | EXPECT_NOT_POISONED(x[2]); |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 3609 | EXPECT_POISONED_O(x[3], origin); |
Evgeniy Stepanov | f43f602 | 2013-06-04 13:08:36 +0000 | [diff] [blame] | 3610 | } |
| 3611 | |
| 3612 | TEST(MemorySanitizer, UnalignedStore32) { |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 3613 | char x[8] __attribute__((aligned(4))); |
Evgeniy Stepanov | f43f602 | 2013-06-04 13:08:36 +0000 | [diff] [blame] | 3614 | U4 y4 = 0; |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 3615 | U4 origin = __LINE__; |
Evgeniy Stepanov | f43f602 | 2013-06-04 13:08:36 +0000 | [diff] [blame] | 3616 | __msan_poison(&y4, 2); |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 3617 | __msan_set_origin(&y4, 2, origin); |
| 3618 | |
| 3619 | __sanitizer_unaligned_store32(x + 3, y4); |
| 3620 | EXPECT_POISONED_O(x[0], origin); |
| 3621 | EXPECT_POISONED_O(x[1], origin); |
| 3622 | EXPECT_POISONED_O(x[2], origin); |
| 3623 | EXPECT_POISONED_O(x[3], origin); |
| 3624 | EXPECT_POISONED_O(x[4], origin); |
Evgeniy Stepanov | f43f602 | 2013-06-04 13:08:36 +0000 | [diff] [blame] | 3625 | EXPECT_NOT_POISONED(x[5]); |
| 3626 | EXPECT_NOT_POISONED(x[6]); |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 3627 | EXPECT_POISONED_O(x[7], origin); |
Evgeniy Stepanov | f43f602 | 2013-06-04 13:08:36 +0000 | [diff] [blame] | 3628 | } |
| 3629 | |
| 3630 | TEST(MemorySanitizer, UnalignedStore64) { |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 3631 | char x[16] __attribute__((aligned(8))); |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 3632 | U8 y8 = 0; |
| 3633 | U4 origin = __LINE__; |
| 3634 | __msan_poison(&y8, 3); |
| 3635 | __msan_poison(((char *)&y8) + sizeof(y8) - 2, 1); |
| 3636 | __msan_set_origin(&y8, 8, origin); |
| 3637 | |
| 3638 | __sanitizer_unaligned_store64(x + 3, y8); |
| 3639 | EXPECT_POISONED_O(x[0], origin); |
| 3640 | EXPECT_POISONED_O(x[1], origin); |
| 3641 | EXPECT_POISONED_O(x[2], origin); |
| 3642 | EXPECT_POISONED_O(x[3], origin); |
| 3643 | EXPECT_POISONED_O(x[4], origin); |
| 3644 | EXPECT_POISONED_O(x[5], origin); |
Evgeniy Stepanov | f43f602 | 2013-06-04 13:08:36 +0000 | [diff] [blame] | 3645 | EXPECT_NOT_POISONED(x[6]); |
| 3646 | EXPECT_NOT_POISONED(x[7]); |
| 3647 | EXPECT_NOT_POISONED(x[8]); |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 3648 | EXPECT_POISONED_O(x[9], origin); |
Evgeniy Stepanov | f43f602 | 2013-06-04 13:08:36 +0000 | [diff] [blame] | 3649 | EXPECT_NOT_POISONED(x[10]); |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 3650 | EXPECT_POISONED_O(x[11], origin); |
Evgeniy Stepanov | f43f602 | 2013-06-04 13:08:36 +0000 | [diff] [blame] | 3651 | } |
| 3652 | |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 3653 | TEST(MemorySanitizer, UnalignedStore16_precise) { |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 3654 | char x[8] __attribute__((aligned(4))); |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 3655 | U2 y = 0; |
| 3656 | U4 originx1 = __LINE__; |
| 3657 | U4 originx2 = __LINE__; |
| 3658 | U4 originy = __LINE__; |
| 3659 | __msan_poison(x, sizeof(x)); |
| 3660 | __msan_set_origin(x, 4, originx1); |
| 3661 | __msan_set_origin(x + 4, 4, originx2); |
| 3662 | __msan_poison(((char *)&y) + 1, 1); |
| 3663 | __msan_set_origin(&y, sizeof(y), originy); |
| 3664 | |
| 3665 | __sanitizer_unaligned_store16(x + 3, y); |
| 3666 | EXPECT_POISONED_O(x[0], originx1); |
| 3667 | EXPECT_POISONED_O(x[1], originx1); |
| 3668 | EXPECT_POISONED_O(x[2], originx1); |
| 3669 | EXPECT_NOT_POISONED(x[3]); |
| 3670 | EXPECT_POISONED_O(x[4], originy); |
| 3671 | EXPECT_POISONED_O(x[5], originy); |
| 3672 | EXPECT_POISONED_O(x[6], originy); |
| 3673 | EXPECT_POISONED_O(x[7], originy); |
| 3674 | } |
| 3675 | |
| 3676 | TEST(MemorySanitizer, UnalignedStore16_precise2) { |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 3677 | char x[8] __attribute__((aligned(4))); |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 3678 | U2 y = 0; |
| 3679 | U4 originx1 = __LINE__; |
| 3680 | U4 originx2 = __LINE__; |
| 3681 | U4 originy = __LINE__; |
| 3682 | __msan_poison(x, sizeof(x)); |
| 3683 | __msan_set_origin(x, 4, originx1); |
| 3684 | __msan_set_origin(x + 4, 4, originx2); |
| 3685 | __msan_poison(((char *)&y), 1); |
| 3686 | __msan_set_origin(&y, sizeof(y), originy); |
| 3687 | |
| 3688 | __sanitizer_unaligned_store16(x + 3, y); |
| 3689 | EXPECT_POISONED_O(x[0], originy); |
| 3690 | EXPECT_POISONED_O(x[1], originy); |
| 3691 | EXPECT_POISONED_O(x[2], originy); |
| 3692 | EXPECT_POISONED_O(x[3], originy); |
| 3693 | EXPECT_NOT_POISONED(x[4]); |
| 3694 | EXPECT_POISONED_O(x[5], originx2); |
| 3695 | EXPECT_POISONED_O(x[6], originx2); |
| 3696 | EXPECT_POISONED_O(x[7], originx2); |
| 3697 | } |
| 3698 | |
| 3699 | TEST(MemorySanitizer, UnalignedStore64_precise) { |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 3700 | char x[12] __attribute__((aligned(8))); |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 3701 | U8 y = 0; |
| 3702 | U4 originx1 = __LINE__; |
| 3703 | U4 originx2 = __LINE__; |
| 3704 | U4 originx3 = __LINE__; |
| 3705 | U4 originy = __LINE__; |
| 3706 | __msan_poison(x, sizeof(x)); |
| 3707 | __msan_set_origin(x, 4, originx1); |
| 3708 | __msan_set_origin(x + 4, 4, originx2); |
| 3709 | __msan_set_origin(x + 8, 4, originx3); |
| 3710 | __msan_poison(((char *)&y) + 1, 1); |
| 3711 | __msan_poison(((char *)&y) + 7, 1); |
| 3712 | __msan_set_origin(&y, sizeof(y), originy); |
| 3713 | |
| 3714 | __sanitizer_unaligned_store64(x + 2, y); |
| 3715 | EXPECT_POISONED_O(x[0], originy); |
| 3716 | EXPECT_POISONED_O(x[1], originy); |
| 3717 | EXPECT_NOT_POISONED(x[2]); |
| 3718 | EXPECT_POISONED_O(x[3], originy); |
| 3719 | |
| 3720 | EXPECT_NOT_POISONED(x[4]); |
| 3721 | EXPECT_NOT_POISONED(x[5]); |
| 3722 | EXPECT_NOT_POISONED(x[6]); |
| 3723 | EXPECT_NOT_POISONED(x[7]); |
| 3724 | |
| 3725 | EXPECT_NOT_POISONED(x[8]); |
| 3726 | EXPECT_POISONED_O(x[9], originy); |
| 3727 | EXPECT_POISONED_O(x[10], originy); |
| 3728 | EXPECT_POISONED_O(x[11], originy); |
| 3729 | } |
| 3730 | |
| 3731 | TEST(MemorySanitizer, UnalignedStore64_precise2) { |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 3732 | char x[12] __attribute__((aligned(8))); |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 3733 | U8 y = 0; |
| 3734 | U4 originx1 = __LINE__; |
| 3735 | U4 originx2 = __LINE__; |
| 3736 | U4 originx3 = __LINE__; |
| 3737 | U4 originy = __LINE__; |
| 3738 | __msan_poison(x, sizeof(x)); |
| 3739 | __msan_set_origin(x, 4, originx1); |
| 3740 | __msan_set_origin(x + 4, 4, originx2); |
| 3741 | __msan_set_origin(x + 8, 4, originx3); |
| 3742 | __msan_poison(((char *)&y) + 3, 3); |
| 3743 | __msan_set_origin(&y, sizeof(y), originy); |
| 3744 | |
| 3745 | __sanitizer_unaligned_store64(x + 2, y); |
| 3746 | EXPECT_POISONED_O(x[0], originx1); |
| 3747 | EXPECT_POISONED_O(x[1], originx1); |
| 3748 | EXPECT_NOT_POISONED(x[2]); |
| 3749 | EXPECT_NOT_POISONED(x[3]); |
| 3750 | |
| 3751 | EXPECT_NOT_POISONED(x[4]); |
| 3752 | EXPECT_POISONED_O(x[5], originy); |
| 3753 | EXPECT_POISONED_O(x[6], originy); |
| 3754 | EXPECT_POISONED_O(x[7], originy); |
| 3755 | |
| 3756 | EXPECT_NOT_POISONED(x[8]); |
| 3757 | EXPECT_NOT_POISONED(x[9]); |
| 3758 | EXPECT_POISONED_O(x[10], originx3); |
| 3759 | EXPECT_POISONED_O(x[11], originx3); |
| 3760 | } |
| 3761 | |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 3762 | #if (defined(__x86_64__) && defined(__clang__)) |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 3763 | namespace { |
Stephen Hines | 6a211c5 | 2014-07-21 00:49:56 -0700 | [diff] [blame] | 3764 | typedef U1 V16x8 __attribute__((__vector_size__(16))); |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 3765 | typedef U2 V8x16 __attribute__((__vector_size__(16))); |
| 3766 | typedef U4 V4x32 __attribute__((__vector_size__(16))); |
| 3767 | typedef U8 V2x64 __attribute__((__vector_size__(16))); |
| 3768 | typedef U4 V8x32 __attribute__((__vector_size__(32))); |
| 3769 | typedef U8 V4x64 __attribute__((__vector_size__(32))); |
Stephen Hines | 6a211c5 | 2014-07-21 00:49:56 -0700 | [diff] [blame] | 3770 | typedef U4 V2x32 __attribute__((__vector_size__(8))); |
| 3771 | typedef U2 V4x16 __attribute__((__vector_size__(8))); |
| 3772 | typedef U1 V8x8 __attribute__((__vector_size__(8))); |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 3773 | |
| 3774 | |
| 3775 | V8x16 shift_sse2_left_scalar(V8x16 x, U4 y) { |
| 3776 | return _mm_slli_epi16(x, y); |
| 3777 | } |
| 3778 | |
| 3779 | V8x16 shift_sse2_left(V8x16 x, V8x16 y) { |
| 3780 | return _mm_sll_epi16(x, y); |
| 3781 | } |
| 3782 | |
| 3783 | TEST(VectorShiftTest, sse2_left_scalar) { |
Stephen Hines | 6a211c5 | 2014-07-21 00:49:56 -0700 | [diff] [blame] | 3784 | V8x16 v = {Poisoned<U2>(0, 3), Poisoned<U2>(0, 7), 2, 3, 4, 5, 6, 7}; |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 3785 | V8x16 u = shift_sse2_left_scalar(v, 2); |
| 3786 | EXPECT_POISONED(u[0]); |
| 3787 | EXPECT_POISONED(u[1]); |
Stephen Hines | 6a211c5 | 2014-07-21 00:49:56 -0700 | [diff] [blame] | 3788 | EXPECT_NOT_POISONED(u[0] | (3U << 2)); |
| 3789 | EXPECT_NOT_POISONED(u[1] | (7U << 2)); |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 3790 | u[0] = u[1] = 0; |
| 3791 | EXPECT_NOT_POISONED(u); |
| 3792 | } |
| 3793 | |
| 3794 | TEST(VectorShiftTest, sse2_left_scalar_by_uninit) { |
| 3795 | V8x16 v = {0, 1, 2, 3, 4, 5, 6, 7}; |
Stephen Hines | 6a211c5 | 2014-07-21 00:49:56 -0700 | [diff] [blame] | 3796 | V8x16 u = shift_sse2_left_scalar(v, Poisoned<U4>()); |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 3797 | EXPECT_POISONED(u[0]); |
| 3798 | EXPECT_POISONED(u[1]); |
| 3799 | EXPECT_POISONED(u[2]); |
| 3800 | EXPECT_POISONED(u[3]); |
| 3801 | EXPECT_POISONED(u[4]); |
| 3802 | EXPECT_POISONED(u[5]); |
| 3803 | EXPECT_POISONED(u[6]); |
| 3804 | EXPECT_POISONED(u[7]); |
| 3805 | } |
| 3806 | |
| 3807 | TEST(VectorShiftTest, sse2_left) { |
Stephen Hines | 6a211c5 | 2014-07-21 00:49:56 -0700 | [diff] [blame] | 3808 | V8x16 v = {Poisoned<U2>(0, 3), Poisoned<U2>(0, 7), 2, 3, 4, 5, 6, 7}; |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 3809 | // Top 64 bits of shift count don't affect the result. |
Stephen Hines | 6a211c5 | 2014-07-21 00:49:56 -0700 | [diff] [blame] | 3810 | V2x64 s = {2, Poisoned<U8>()}; |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 3811 | V8x16 u = shift_sse2_left(v, s); |
| 3812 | EXPECT_POISONED(u[0]); |
| 3813 | EXPECT_POISONED(u[1]); |
Stephen Hines | 6a211c5 | 2014-07-21 00:49:56 -0700 | [diff] [blame] | 3814 | EXPECT_NOT_POISONED(u[0] | (3U << 2)); |
| 3815 | EXPECT_NOT_POISONED(u[1] | (7U << 2)); |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 3816 | u[0] = u[1] = 0; |
| 3817 | EXPECT_NOT_POISONED(u); |
| 3818 | } |
| 3819 | |
| 3820 | TEST(VectorShiftTest, sse2_left_by_uninit) { |
Stephen Hines | 6a211c5 | 2014-07-21 00:49:56 -0700 | [diff] [blame] | 3821 | V8x16 v = {Poisoned<U2>(0, 3), Poisoned<U2>(0, 7), 2, 3, 4, 5, 6, 7}; |
| 3822 | V2x64 s = {Poisoned<U8>(), Poisoned<U8>()}; |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 3823 | V8x16 u = shift_sse2_left(v, s); |
| 3824 | EXPECT_POISONED(u[0]); |
| 3825 | EXPECT_POISONED(u[1]); |
| 3826 | EXPECT_POISONED(u[2]); |
| 3827 | EXPECT_POISONED(u[3]); |
| 3828 | EXPECT_POISONED(u[4]); |
| 3829 | EXPECT_POISONED(u[5]); |
| 3830 | EXPECT_POISONED(u[6]); |
| 3831 | EXPECT_POISONED(u[7]); |
| 3832 | } |
| 3833 | |
| 3834 | #ifdef __AVX2__ |
| 3835 | V4x32 shift_avx2_left(V4x32 x, V4x32 y) { |
| 3836 | return _mm_sllv_epi32(x, y); |
| 3837 | } |
| 3838 | // This is variable vector shift that's only available starting with AVX2. |
| 3839 | // V4x32 shift_avx2_left(V4x32 x, V4x32 y) { |
| 3840 | TEST(VectorShiftTest, avx2_left) { |
Stephen Hines | 6a211c5 | 2014-07-21 00:49:56 -0700 | [diff] [blame] | 3841 | V4x32 v = {Poisoned<U2>(0, 3), Poisoned<U2>(0, 7), 2, 3}; |
| 3842 | V4x32 s = {2, Poisoned<U4>(), 3, Poisoned<U4>()}; |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 3843 | V4x32 u = shift_avx2_left(v, s); |
| 3844 | EXPECT_POISONED(u[0]); |
| 3845 | EXPECT_NOT_POISONED(u[0] | (~7U)); |
| 3846 | EXPECT_POISONED(u[1]); |
| 3847 | EXPECT_POISONED(u[1] | (~31U)); |
| 3848 | EXPECT_NOT_POISONED(u[2]); |
| 3849 | EXPECT_POISONED(u[3]); |
| 3850 | EXPECT_POISONED(u[3] | (~31U)); |
| 3851 | } |
| 3852 | #endif // __AVX2__ |
| 3853 | } // namespace |
| 3854 | |
Stephen Hines | 6a211c5 | 2014-07-21 00:49:56 -0700 | [diff] [blame] | 3855 | TEST(VectorPackTest, sse2_packssdw_128) { |
| 3856 | const unsigned S2_max = (1 << 15) - 1; |
| 3857 | V4x32 a = {Poisoned<U4>(0, 0xFF0000), Poisoned<U4>(0, 0xFFFF0000), |
| 3858 | S2_max + 100, 4}; |
| 3859 | V4x32 b = {Poisoned<U4>(0, 0xFF), S2_max + 10000, Poisoned<U4>(0, 0xFF00), |
| 3860 | S2_max}; |
| 3861 | |
| 3862 | V8x16 c = _mm_packs_epi32(a, b); |
| 3863 | |
| 3864 | EXPECT_POISONED(c[0]); |
| 3865 | EXPECT_POISONED(c[1]); |
| 3866 | EXPECT_NOT_POISONED(c[2]); |
| 3867 | EXPECT_NOT_POISONED(c[3]); |
| 3868 | EXPECT_POISONED(c[4]); |
| 3869 | EXPECT_NOT_POISONED(c[5]); |
| 3870 | EXPECT_POISONED(c[6]); |
| 3871 | EXPECT_NOT_POISONED(c[7]); |
| 3872 | |
| 3873 | EXPECT_EQ(c[2], S2_max); |
| 3874 | EXPECT_EQ(c[3], 4); |
| 3875 | EXPECT_EQ(c[5], S2_max); |
| 3876 | EXPECT_EQ(c[7], S2_max); |
| 3877 | } |
| 3878 | |
| 3879 | TEST(VectorPackTest, mmx_packuswb) { |
| 3880 | const unsigned U1_max = (1 << 8) - 1; |
| 3881 | V4x16 a = {Poisoned<U2>(0, 0xFF00), Poisoned<U2>(0, 0xF000U), U1_max + 100, |
| 3882 | 4}; |
| 3883 | V4x16 b = {Poisoned<U2>(0, 0xFF), U1_max - 1, Poisoned<U2>(0, 0xF), U1_max}; |
| 3884 | V8x8 c = _mm_packs_pu16(a, b); |
| 3885 | |
| 3886 | EXPECT_POISONED(c[0]); |
| 3887 | EXPECT_POISONED(c[1]); |
| 3888 | EXPECT_NOT_POISONED(c[2]); |
| 3889 | EXPECT_NOT_POISONED(c[3]); |
| 3890 | EXPECT_POISONED(c[4]); |
| 3891 | EXPECT_NOT_POISONED(c[5]); |
| 3892 | EXPECT_POISONED(c[6]); |
| 3893 | EXPECT_NOT_POISONED(c[7]); |
| 3894 | |
| 3895 | EXPECT_EQ(c[2], U1_max); |
| 3896 | EXPECT_EQ(c[3], 4); |
| 3897 | EXPECT_EQ(c[5], U1_max - 1); |
| 3898 | EXPECT_EQ(c[7], U1_max); |
| 3899 | } |
| 3900 | |
| 3901 | TEST(VectorSadTest, sse2_psad_bw) { |
| 3902 | V16x8 a = {Poisoned<U1>(), 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15}; |
| 3903 | V16x8 b = {100, 101, 102, 103, 104, 105, 106, 107, |
| 3904 | 108, 109, 110, 111, 112, 113, 114, 115}; |
| 3905 | V2x64 c = _mm_sad_epu8(a, b); |
| 3906 | |
| 3907 | EXPECT_POISONED(c[0]); |
| 3908 | EXPECT_NOT_POISONED(c[1]); |
| 3909 | |
| 3910 | EXPECT_EQ(800U, c[1]); |
| 3911 | } |
| 3912 | |
| 3913 | TEST(VectorMaddTest, mmx_pmadd_wd) { |
| 3914 | V4x16 a = {Poisoned<U2>(), 1, 2, 3}; |
| 3915 | V4x16 b = {100, 101, 102, 103}; |
| 3916 | V2x32 c = _mm_madd_pi16(a, b); |
| 3917 | |
| 3918 | EXPECT_POISONED(c[0]); |
| 3919 | EXPECT_NOT_POISONED(c[1]); |
| 3920 | |
| 3921 | EXPECT_EQ((unsigned)(2 * 102 + 3 * 103), c[1]); |
| 3922 | } |
| 3923 | #endif // defined(__clang__) |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 3924 | |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 3925 | TEST(MemorySanitizerOrigins, SetGet) { |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 3926 | EXPECT_EQ(TrackingOrigins(), !!__msan_get_track_origins()); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 3927 | if (!TrackingOrigins()) return; |
| 3928 | int x; |
| 3929 | __msan_set_origin(&x, sizeof(x), 1234); |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 3930 | EXPECT_ORIGIN(1234U, __msan_get_origin(&x)); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 3931 | __msan_set_origin(&x, sizeof(x), 5678); |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 3932 | EXPECT_ORIGIN(5678U, __msan_get_origin(&x)); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 3933 | __msan_set_origin(&x, sizeof(x), 0); |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 3934 | EXPECT_ORIGIN(0U, __msan_get_origin(&x)); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 3935 | } |
| 3936 | |
| 3937 | namespace { |
| 3938 | struct S { |
| 3939 | U4 dummy; |
| 3940 | U2 a; |
| 3941 | U2 b; |
| 3942 | }; |
| 3943 | |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 3944 | TEST(MemorySanitizerOrigins, InitializedStoreDoesNotChangeOrigin) { |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 3945 | if (!TrackingOrigins()) return; |
| 3946 | |
| 3947 | S s; |
Evgeniy Stepanov | 250f221 | 2013-01-30 13:12:08 +0000 | [diff] [blame] | 3948 | U4 origin = rand(); // NOLINT |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 3949 | s.a = *GetPoisonedO<U2>(0, origin); |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 3950 | EXPECT_ORIGIN(origin, __msan_get_origin(&s.a)); |
| 3951 | EXPECT_ORIGIN(origin, __msan_get_origin(&s.b)); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 3952 | |
| 3953 | s.b = 42; |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 3954 | EXPECT_ORIGIN(origin, __msan_get_origin(&s.a)); |
| 3955 | EXPECT_ORIGIN(origin, __msan_get_origin(&s.b)); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 3956 | } |
| 3957 | } // namespace |
| 3958 | |
| 3959 | template<class T, class BinaryOp> |
| 3960 | INLINE |
| 3961 | void BinaryOpOriginTest(BinaryOp op) { |
Evgeniy Stepanov | 250f221 | 2013-01-30 13:12:08 +0000 | [diff] [blame] | 3962 | U4 ox = rand(); //NOLINT |
| 3963 | U4 oy = rand(); //NOLINT |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 3964 | T *x = GetPoisonedO<T>(0, ox, 0); |
| 3965 | T *y = GetPoisonedO<T>(1, oy, 0); |
| 3966 | T *z = GetPoisonedO<T>(2, 0, 0); |
| 3967 | |
| 3968 | *z = op(*x, *y); |
Evgeniy Stepanov | 250f221 | 2013-01-30 13:12:08 +0000 | [diff] [blame] | 3969 | U4 origin = __msan_get_origin(z); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 3970 | EXPECT_POISONED_O(*z, origin); |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 3971 | EXPECT_EQ(true, __msan_origin_is_descendant_or_same(origin, ox) || |
| 3972 | __msan_origin_is_descendant_or_same(origin, oy)); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 3973 | |
| 3974 | // y is poisoned, x is not. |
| 3975 | *x = 10101; |
| 3976 | *y = *GetPoisonedO<T>(1, oy); |
Evgeniy Stepanov | 12c4693 | 2013-01-29 14:33:29 +0000 | [diff] [blame] | 3977 | break_optimization(x); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 3978 | __msan_set_origin(z, sizeof(*z), 0); |
| 3979 | *z = op(*x, *y); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 3980 | EXPECT_POISONED_O(*z, oy); |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 3981 | EXPECT_ORIGIN(oy, __msan_get_origin(z)); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 3982 | |
| 3983 | // x is poisoned, y is not. |
| 3984 | *x = *GetPoisonedO<T>(0, ox); |
| 3985 | *y = 10101010; |
Evgeniy Stepanov | 12c4693 | 2013-01-29 14:33:29 +0000 | [diff] [blame] | 3986 | break_optimization(y); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 3987 | __msan_set_origin(z, sizeof(*z), 0); |
| 3988 | *z = op(*x, *y); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 3989 | EXPECT_POISONED_O(*z, ox); |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 3990 | EXPECT_ORIGIN(ox, __msan_get_origin(z)); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 3991 | } |
| 3992 | |
| 3993 | template<class T> INLINE T XOR(const T &a, const T&b) { return a ^ b; } |
| 3994 | template<class T> INLINE T ADD(const T &a, const T&b) { return a + b; } |
| 3995 | template<class T> INLINE T SUB(const T &a, const T&b) { return a - b; } |
| 3996 | template<class T> INLINE T MUL(const T &a, const T&b) { return a * b; } |
| 3997 | template<class T> INLINE T AND(const T &a, const T&b) { return a & b; } |
| 3998 | template<class T> INLINE T OR (const T &a, const T&b) { return a | b; } |
| 3999 | |
| 4000 | TEST(MemorySanitizerOrigins, BinaryOp) { |
| 4001 | if (!TrackingOrigins()) return; |
| 4002 | BinaryOpOriginTest<S8>(XOR<S8>); |
| 4003 | BinaryOpOriginTest<U8>(ADD<U8>); |
| 4004 | BinaryOpOriginTest<S4>(SUB<S4>); |
| 4005 | BinaryOpOriginTest<S4>(MUL<S4>); |
| 4006 | BinaryOpOriginTest<U4>(OR<U4>); |
| 4007 | BinaryOpOriginTest<U4>(AND<U4>); |
| 4008 | BinaryOpOriginTest<double>(ADD<U4>); |
| 4009 | BinaryOpOriginTest<float>(ADD<S4>); |
| 4010 | BinaryOpOriginTest<double>(ADD<double>); |
| 4011 | BinaryOpOriginTest<float>(ADD<double>); |
| 4012 | } |
| 4013 | |
| 4014 | TEST(MemorySanitizerOrigins, Unary) { |
| 4015 | if (!TrackingOrigins()) return; |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 4016 | EXPECT_POISONED_O(*GetPoisonedO<S8>(0, __LINE__), __LINE__); |
| 4017 | EXPECT_POISONED_O(*GetPoisonedO<S8>(0, __LINE__), __LINE__); |
| 4018 | EXPECT_POISONED_O(*GetPoisonedO<S8>(0, __LINE__), __LINE__); |
| 4019 | EXPECT_POISONED_O(*GetPoisonedO<S8>(0, __LINE__), __LINE__); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 4020 | |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 4021 | EXPECT_POISONED_O(*GetPoisonedO<S4>(0, __LINE__), __LINE__); |
| 4022 | EXPECT_POISONED_O(*GetPoisonedO<S4>(0, __LINE__), __LINE__); |
| 4023 | EXPECT_POISONED_O(*GetPoisonedO<S4>(0, __LINE__), __LINE__); |
| 4024 | EXPECT_POISONED_O(*GetPoisonedO<S4>(0, __LINE__), __LINE__); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 4025 | |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 4026 | EXPECT_POISONED_O(*GetPoisonedO<U4>(0, __LINE__), __LINE__); |
| 4027 | EXPECT_POISONED_O(*GetPoisonedO<U4>(0, __LINE__), __LINE__); |
| 4028 | EXPECT_POISONED_O(*GetPoisonedO<U4>(0, __LINE__), __LINE__); |
| 4029 | EXPECT_POISONED_O(*GetPoisonedO<U4>(0, __LINE__), __LINE__); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 4030 | |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 4031 | EXPECT_POISONED_O(*GetPoisonedO<S4>(0, __LINE__), __LINE__); |
| 4032 | EXPECT_POISONED_O(*GetPoisonedO<S4>(0, __LINE__), __LINE__); |
| 4033 | EXPECT_POISONED_O(*GetPoisonedO<S4>(0, __LINE__), __LINE__); |
| 4034 | EXPECT_POISONED_O(*GetPoisonedO<S4>(0, __LINE__), __LINE__); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 4035 | |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 4036 | EXPECT_POISONED_O((void*)*GetPoisonedO<S8>(0, __LINE__), __LINE__); |
| 4037 | EXPECT_POISONED_O((U8)*GetPoisonedO<void*>(0, __LINE__), __LINE__); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 4038 | } |
| 4039 | |
| 4040 | TEST(MemorySanitizerOrigins, EQ) { |
| 4041 | if (!TrackingOrigins()) return; |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 4042 | EXPECT_POISONED_O(*GetPoisonedO<S4>(0, __LINE__) <= 11, __LINE__); |
| 4043 | EXPECT_POISONED_O(*GetPoisonedO<S4>(0, __LINE__) == 11, __LINE__); |
| 4044 | EXPECT_POISONED_O(*GetPoisonedO<float>(0, __LINE__) == 1.1, __LINE__); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 4045 | } |
| 4046 | |
| 4047 | TEST(MemorySanitizerOrigins, DIV) { |
| 4048 | if (!TrackingOrigins()) return; |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 4049 | EXPECT_POISONED_O(*GetPoisonedO<U8>(0, __LINE__) / 100, __LINE__); |
| 4050 | unsigned o = __LINE__; |
| 4051 | EXPECT_UMR_O(volatile unsigned y = 100 / *GetPoisonedO<S4>(0, o, 1), o); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 4052 | } |
| 4053 | |
| 4054 | TEST(MemorySanitizerOrigins, SHIFT) { |
| 4055 | if (!TrackingOrigins()) return; |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 4056 | EXPECT_POISONED_O(*GetPoisonedO<U8>(0, __LINE__) >> 10, __LINE__); |
| 4057 | EXPECT_POISONED_O(*GetPoisonedO<S8>(0, __LINE__) >> 10, __LINE__); |
| 4058 | EXPECT_POISONED_O(*GetPoisonedO<S8>(0, __LINE__) << 10, __LINE__); |
| 4059 | EXPECT_POISONED_O(10U << *GetPoisonedO<U8>(0, __LINE__), __LINE__); |
| 4060 | EXPECT_POISONED_O(-10 >> *GetPoisonedO<S8>(0, __LINE__), __LINE__); |
| 4061 | EXPECT_POISONED_O(-10 << *GetPoisonedO<S8>(0, __LINE__), __LINE__); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 4062 | } |
| 4063 | |
| 4064 | template<class T, int N> |
| 4065 | void MemCpyTest() { |
| 4066 | int ox = __LINE__; |
| 4067 | T *x = new T[N]; |
| 4068 | T *y = new T[N]; |
| 4069 | T *z = new T[N]; |
Evgeniy Stepanov | 353c996 | 2013-07-02 14:49:24 +0000 | [diff] [blame] | 4070 | T *q = new T[N]; |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 4071 | __msan_poison(x, N * sizeof(T)); |
| 4072 | __msan_set_origin(x, N * sizeof(T), ox); |
| 4073 | __msan_set_origin(y, N * sizeof(T), 777777); |
| 4074 | __msan_set_origin(z, N * sizeof(T), 888888); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 4075 | EXPECT_NOT_POISONED(x); |
| 4076 | memcpy(y, x, N * sizeof(T)); |
| 4077 | EXPECT_POISONED_O(y[0], ox); |
| 4078 | EXPECT_POISONED_O(y[N/2], ox); |
| 4079 | EXPECT_POISONED_O(y[N-1], ox); |
| 4080 | EXPECT_NOT_POISONED(x); |
Evgeniy Stepanov | 353c996 | 2013-07-02 14:49:24 +0000 | [diff] [blame] | 4081 | void *res = mempcpy(q, x, N * sizeof(T)); |
| 4082 | ASSERT_EQ(q + N, res); |
| 4083 | EXPECT_POISONED_O(q[0], ox); |
| 4084 | EXPECT_POISONED_O(q[N/2], ox); |
| 4085 | EXPECT_POISONED_O(q[N-1], ox); |
| 4086 | EXPECT_NOT_POISONED(x); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 4087 | memmove(z, x, N * sizeof(T)); |
| 4088 | EXPECT_POISONED_O(z[0], ox); |
| 4089 | EXPECT_POISONED_O(z[N/2], ox); |
| 4090 | EXPECT_POISONED_O(z[N-1], ox); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 4091 | } |
| 4092 | |
| 4093 | TEST(MemorySanitizerOrigins, LargeMemCpy) { |
| 4094 | if (!TrackingOrigins()) return; |
| 4095 | MemCpyTest<U1, 10000>(); |
| 4096 | MemCpyTest<U8, 10000>(); |
| 4097 | } |
| 4098 | |
| 4099 | TEST(MemorySanitizerOrigins, SmallMemCpy) { |
| 4100 | if (!TrackingOrigins()) return; |
| 4101 | MemCpyTest<U8, 1>(); |
| 4102 | MemCpyTest<U8, 2>(); |
| 4103 | MemCpyTest<U8, 3>(); |
| 4104 | } |
| 4105 | |
| 4106 | TEST(MemorySanitizerOrigins, Select) { |
| 4107 | if (!TrackingOrigins()) return; |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 4108 | EXPECT_NOT_POISONED(g_one ? 1 : *GetPoisonedO<S4>(0, __LINE__)); |
| 4109 | EXPECT_POISONED_O(*GetPoisonedO<S4>(0, __LINE__), __LINE__); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 4110 | S4 x; |
Evgeniy Stepanov | 12c4693 | 2013-01-29 14:33:29 +0000 | [diff] [blame] | 4111 | break_optimization(&x); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 4112 | x = g_1 ? *GetPoisonedO<S4>(0, __LINE__) : 0; |
| 4113 | |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 4114 | EXPECT_POISONED_O(g_1 ? *GetPoisonedO<S4>(0, __LINE__) : 1, __LINE__); |
| 4115 | EXPECT_POISONED_O(g_0 ? 1 : *GetPoisonedO<S4>(0, __LINE__), __LINE__); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 4116 | } |
| 4117 | |
Evgeniy Stepanov | 250f221 | 2013-01-30 13:12:08 +0000 | [diff] [blame] | 4118 | NOINLINE int RetvalOriginTest(U4 origin) { |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 4119 | int *a = new int; |
Evgeniy Stepanov | 12c4693 | 2013-01-29 14:33:29 +0000 | [diff] [blame] | 4120 | break_optimization(a); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 4121 | __msan_set_origin(a, sizeof(*a), origin); |
| 4122 | int res = *a; |
| 4123 | delete a; |
| 4124 | return res; |
| 4125 | } |
| 4126 | |
| 4127 | TEST(MemorySanitizerOrigins, Retval) { |
| 4128 | if (!TrackingOrigins()) return; |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 4129 | EXPECT_POISONED_O(RetvalOriginTest(__LINE__), __LINE__); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 4130 | } |
| 4131 | |
Evgeniy Stepanov | 250f221 | 2013-01-30 13:12:08 +0000 | [diff] [blame] | 4132 | NOINLINE void ParamOriginTest(int param, U4 origin) { |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 4133 | EXPECT_POISONED_O(param, origin); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 4134 | } |
| 4135 | |
| 4136 | TEST(MemorySanitizerOrigins, Param) { |
| 4137 | if (!TrackingOrigins()) return; |
| 4138 | int *a = new int; |
Evgeniy Stepanov | 250f221 | 2013-01-30 13:12:08 +0000 | [diff] [blame] | 4139 | U4 origin = __LINE__; |
Evgeniy Stepanov | 12c4693 | 2013-01-29 14:33:29 +0000 | [diff] [blame] | 4140 | break_optimization(a); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 4141 | __msan_set_origin(a, sizeof(*a), origin); |
| 4142 | ParamOriginTest(*a, origin); |
| 4143 | delete a; |
| 4144 | } |
| 4145 | |
| 4146 | TEST(MemorySanitizerOrigins, Invoke) { |
| 4147 | if (!TrackingOrigins()) return; |
| 4148 | StructWithDtor s; // Will cause the calls to become invokes. |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 4149 | EXPECT_POISONED_O(RetvalOriginTest(__LINE__), __LINE__); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 4150 | } |
| 4151 | |
| 4152 | TEST(MemorySanitizerOrigins, strlen) { |
| 4153 | S8 alignment; |
Evgeniy Stepanov | 12c4693 | 2013-01-29 14:33:29 +0000 | [diff] [blame] | 4154 | break_optimization(&alignment); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 4155 | char x[4] = {'a', 'b', 0, 0}; |
| 4156 | __msan_poison(&x[2], 1); |
Evgeniy Stepanov | 250f221 | 2013-01-30 13:12:08 +0000 | [diff] [blame] | 4157 | U4 origin = __LINE__; |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 4158 | __msan_set_origin(x, sizeof(x), origin); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 4159 | EXPECT_UMR_O(volatile unsigned y = strlen(x), origin); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 4160 | } |
| 4161 | |
| 4162 | TEST(MemorySanitizerOrigins, wcslen) { |
| 4163 | wchar_t w[3] = {'a', 'b', 0}; |
Evgeniy Stepanov | 250f221 | 2013-01-30 13:12:08 +0000 | [diff] [blame] | 4164 | U4 origin = __LINE__; |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 4165 | __msan_set_origin(w, sizeof(w), origin); |
| 4166 | __msan_poison(&w[2], sizeof(wchar_t)); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 4167 | EXPECT_UMR_O(volatile unsigned y = wcslen(w), origin); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 4168 | } |
| 4169 | |
| 4170 | #if MSAN_HAS_M128 |
| 4171 | TEST(MemorySanitizerOrigins, StoreIntrinsic) { |
| 4172 | __m128 x, y; |
Evgeniy Stepanov | 250f221 | 2013-01-30 13:12:08 +0000 | [diff] [blame] | 4173 | U4 origin = __LINE__; |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 4174 | __msan_set_origin(&x, sizeof(x), origin); |
| 4175 | __msan_poison(&x, sizeof(x)); |
| 4176 | __builtin_ia32_storeups((float*)&y, x); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 4177 | EXPECT_POISONED_O(y, origin); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 4178 | } |
| 4179 | #endif |
| 4180 | |
| 4181 | NOINLINE void RecursiveMalloc(int depth) { |
| 4182 | static int count; |
| 4183 | count++; |
| 4184 | if ((count % (1024 * 1024)) == 0) |
| 4185 | printf("RecursiveMalloc: %d\n", count); |
| 4186 | int *x1 = new int; |
| 4187 | int *x2 = new int; |
Evgeniy Stepanov | 12c4693 | 2013-01-29 14:33:29 +0000 | [diff] [blame] | 4188 | break_optimization(x1); |
| 4189 | break_optimization(x2); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 4190 | if (depth > 0) { |
| 4191 | RecursiveMalloc(depth-1); |
| 4192 | RecursiveMalloc(depth-1); |
| 4193 | } |
| 4194 | delete x1; |
| 4195 | delete x2; |
| 4196 | } |
| 4197 | |
Evgeniy Stepanov | 2040604 | 2013-09-03 10:05:45 +0000 | [diff] [blame] | 4198 | TEST(MemorySanitizer, Select) { |
| 4199 | int x; |
| 4200 | int volatile* p = &x; |
| 4201 | int z = *p ? 1 : 0; |
| 4202 | EXPECT_POISONED(z); |
| 4203 | } |
| 4204 | |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 4205 | TEST(MemorySanitizer, SelectPartial) { |
| 4206 | // Precise instrumentation of select. |
| 4207 | // Some bits of the result do not depend on select condition, and must stay |
| 4208 | // initialized even if select condition is not. These are the bits that are |
| 4209 | // equal and initialized in both left and right select arguments. |
| 4210 | U4 x = 0xFFFFABCDU; |
| 4211 | U4 x_s = 0xFFFF0000U; |
| 4212 | __msan_partial_poison(&x, &x_s, sizeof(x)); |
| 4213 | U4 y = 0xAB00U; |
| 4214 | U1 cond = true; |
| 4215 | __msan_poison(&cond, sizeof(cond)); |
| 4216 | U4 z = cond ? x : y; |
| 4217 | __msan_print_shadow(&z, sizeof(z)); |
| 4218 | EXPECT_POISONED(z & 0xFFU); |
| 4219 | EXPECT_NOT_POISONED(z & 0xFF00U); |
| 4220 | EXPECT_POISONED(z & 0xFF0000U); |
| 4221 | EXPECT_POISONED(z & 0xFF000000U); |
| 4222 | EXPECT_EQ(0xAB00U, z & 0xFF00U); |
| 4223 | } |
| 4224 | |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 4225 | TEST(MemorySanitizerStress, DISABLED_MallocStackTrace) { |
| 4226 | RecursiveMalloc(22); |
| 4227 | } |
Evgeniy Stepanov | 5c48a8c | 2013-08-02 14:26:58 +0000 | [diff] [blame] | 4228 | |
| 4229 | TEST(MemorySanitizerAllocator, get_estimated_allocated_size) { |
| 4230 | size_t sizes[] = {0, 20, 5000, 1<<20}; |
| 4231 | for (size_t i = 0; i < sizeof(sizes) / sizeof(*sizes); ++i) { |
Stephen Hines | 6a211c5 | 2014-07-21 00:49:56 -0700 | [diff] [blame] | 4232 | size_t alloc_size = __sanitizer_get_estimated_allocated_size(sizes[i]); |
Evgeniy Stepanov | 5c48a8c | 2013-08-02 14:26:58 +0000 | [diff] [blame] | 4233 | EXPECT_EQ(alloc_size, sizes[i]); |
| 4234 | } |
| 4235 | } |
| 4236 | |
| 4237 | TEST(MemorySanitizerAllocator, get_allocated_size_and_ownership) { |
| 4238 | char *array = reinterpret_cast<char*>(malloc(100)); |
| 4239 | int *int_ptr = new int; |
| 4240 | |
Stephen Hines | 6a211c5 | 2014-07-21 00:49:56 -0700 | [diff] [blame] | 4241 | EXPECT_TRUE(__sanitizer_get_ownership(array)); |
| 4242 | EXPECT_EQ(100U, __sanitizer_get_allocated_size(array)); |
Evgeniy Stepanov | 5c48a8c | 2013-08-02 14:26:58 +0000 | [diff] [blame] | 4243 | |
Stephen Hines | 6a211c5 | 2014-07-21 00:49:56 -0700 | [diff] [blame] | 4244 | EXPECT_TRUE(__sanitizer_get_ownership(int_ptr)); |
| 4245 | EXPECT_EQ(sizeof(*int_ptr), __sanitizer_get_allocated_size(int_ptr)); |
Evgeniy Stepanov | 5c48a8c | 2013-08-02 14:26:58 +0000 | [diff] [blame] | 4246 | |
| 4247 | void *wild_addr = reinterpret_cast<void*>(0x1); |
Stephen Hines | 6a211c5 | 2014-07-21 00:49:56 -0700 | [diff] [blame] | 4248 | EXPECT_FALSE(__sanitizer_get_ownership(wild_addr)); |
| 4249 | EXPECT_EQ(0U, __sanitizer_get_allocated_size(wild_addr)); |
Evgeniy Stepanov | 5c48a8c | 2013-08-02 14:26:58 +0000 | [diff] [blame] | 4250 | |
Stephen Hines | 6a211c5 | 2014-07-21 00:49:56 -0700 | [diff] [blame] | 4251 | EXPECT_FALSE(__sanitizer_get_ownership(array + 50)); |
| 4252 | EXPECT_EQ(0U, __sanitizer_get_allocated_size(array + 50)); |
Evgeniy Stepanov | 5c48a8c | 2013-08-02 14:26:58 +0000 | [diff] [blame] | 4253 | |
Stephen Hines | 6a211c5 | 2014-07-21 00:49:56 -0700 | [diff] [blame] | 4254 | // NULL is a valid argument for GetAllocatedSize but is not owned. |
| 4255 | EXPECT_FALSE(__sanitizer_get_ownership(NULL)); |
| 4256 | EXPECT_EQ(0U, __sanitizer_get_allocated_size(NULL)); |
| 4257 | |
Evgeniy Stepanov | 5c48a8c | 2013-08-02 14:26:58 +0000 | [diff] [blame] | 4258 | free(array); |
Stephen Hines | 6a211c5 | 2014-07-21 00:49:56 -0700 | [diff] [blame] | 4259 | EXPECT_FALSE(__sanitizer_get_ownership(array)); |
| 4260 | EXPECT_EQ(0U, __sanitizer_get_allocated_size(array)); |
Evgeniy Stepanov | 5c48a8c | 2013-08-02 14:26:58 +0000 | [diff] [blame] | 4261 | |
| 4262 | delete int_ptr; |
| 4263 | } |
Evgeniy Stepanov | 548559d | 2013-10-31 15:51:22 +0000 | [diff] [blame] | 4264 | |
| 4265 | TEST(MemorySanitizer, MlockTest) { |
| 4266 | EXPECT_EQ(0, mlockall(MCL_CURRENT)); |
| 4267 | EXPECT_EQ(0, mlock((void*)0x12345, 0x5678)); |
| 4268 | EXPECT_EQ(0, munlockall()); |
| 4269 | EXPECT_EQ(0, munlock((void*)0x987, 0x654)); |
| 4270 | } |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 4271 | |
| 4272 | // Test that LargeAllocator unpoisons memory before releasing it to the OS. |
| 4273 | TEST(MemorySanitizer, LargeAllocatorUnpoisonsOnFree) { |
| 4274 | void *p = malloc(1024 * 1024); |
| 4275 | free(p); |
| 4276 | |
| 4277 | typedef void *(*mmap_fn)(void *, size_t, int, int, int, off_t); |
| 4278 | mmap_fn real_mmap = (mmap_fn)dlsym(RTLD_NEXT, "mmap"); |
| 4279 | |
| 4280 | // Allocate the page that was released to the OS in free() with the real mmap, |
| 4281 | // bypassing the interceptor. |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 4282 | char *q = (char *)real_mmap(p, 4096, PROT_READ | PROT_WRITE, |
| 4283 | MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 4284 | ASSERT_NE((char *)0, q); |
| 4285 | |
| 4286 | ASSERT_TRUE(q <= p); |
| 4287 | ASSERT_TRUE(q + 4096 > p); |
| 4288 | |
| 4289 | EXPECT_NOT_POISONED(q[0]); |
| 4290 | EXPECT_NOT_POISONED(q[10]); |
| 4291 | EXPECT_NOT_POISONED(q[100]); |
| 4292 | |
| 4293 | munmap(q, 4096); |
| 4294 | } |
| 4295 | |
| 4296 | #if SANITIZER_TEST_HAS_MALLOC_USABLE_SIZE |
| 4297 | TEST(MemorySanitizer, MallocUsableSizeTest) { |
| 4298 | const size_t kArraySize = 100; |
| 4299 | char *array = Ident((char*)malloc(kArraySize)); |
| 4300 | int *int_ptr = Ident(new int); |
| 4301 | EXPECT_EQ(0U, malloc_usable_size(NULL)); |
| 4302 | EXPECT_EQ(kArraySize, malloc_usable_size(array)); |
| 4303 | EXPECT_EQ(sizeof(int), malloc_usable_size(int_ptr)); |
| 4304 | free(array); |
| 4305 | delete int_ptr; |
| 4306 | } |
| 4307 | #endif // SANITIZER_TEST_HAS_MALLOC_USABLE_SIZE |