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 | |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 19 | #include "sanitizer/msan_interface.h" |
| 20 | #include "msandr_test_so.h" |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 21 | |
Evgeniy Stepanov | ff6c9fb | 2013-07-04 13:19:41 +0000 | [diff] [blame] | 22 | #include <inttypes.h> |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 23 | #include <stdlib.h> |
| 24 | #include <stdarg.h> |
| 25 | #include <stdio.h> |
| 26 | #include <assert.h> |
| 27 | #include <wchar.h> |
Evgeniy Stepanov | 7cbbb29 | 2013-03-14 11:34:39 +0000 | [diff] [blame] | 28 | #include <math.h> |
Evgeniy Stepanov | 97160a8 | 2013-09-02 09:24:53 +0000 | [diff] [blame] | 29 | #include <malloc.h> |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 30 | |
Evgeniy Stepanov | 9530eb7 | 2013-04-23 14:05:15 +0000 | [diff] [blame] | 31 | #include <arpa/inet.h> |
Evgeniy Stepanov | e03345b | 2013-01-17 13:42:17 +0000 | [diff] [blame] | 32 | #include <dlfcn.h> |
Evgeniy Stepanov | 103a63e | 2013-04-23 12:01:20 +0000 | [diff] [blame] | 33 | #include <grp.h> |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 34 | #include <unistd.h> |
Evgeniy Stepanov | 2bba4ef | 2013-05-16 13:00:25 +0000 | [diff] [blame] | 35 | #include <link.h> |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 36 | #include <limits.h> |
| 37 | #include <sys/time.h> |
Evgeniy Stepanov | e18e3f0 | 2013-08-12 13:19:53 +0000 | [diff] [blame] | 38 | #include <poll.h> |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 39 | #include <sys/types.h> |
| 40 | #include <sys/stat.h> |
| 41 | #include <fcntl.h> |
| 42 | #include <sys/resource.h> |
| 43 | #include <sys/ioctl.h> |
Evgeniy Stepanov | 5cee73e | 2013-10-18 11:14:16 +0000 | [diff] [blame] | 44 | #include <sys/statvfs.h> |
Evgeniy Stepanov | 359d7fc | 2013-06-24 14:25:33 +0000 | [diff] [blame] | 45 | #include <sys/sysinfo.h> |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 46 | #include <sys/utsname.h> |
| 47 | #include <sys/mman.h> |
| 48 | #include <sys/vfs.h> |
Evgeniy Stepanov | d97a15a | 2013-03-14 12:49:23 +0000 | [diff] [blame] | 49 | #include <dirent.h> |
Evgeniy Stepanov | e4bdda5 | 2013-04-01 14:47:21 +0000 | [diff] [blame] | 50 | #include <pwd.h> |
Evgeniy Stepanov | 134fe8a | 2013-04-08 13:45:12 +0000 | [diff] [blame] | 51 | #include <sys/socket.h> |
Evgeniy Stepanov | 0a2cc37 | 2013-05-23 11:10:23 +0000 | [diff] [blame] | 52 | #include <netdb.h> |
Evgeniy Stepanov | c5a3855 | 2013-09-24 14:38:22 +0000 | [diff] [blame] | 53 | #include <wordexp.h> |
Evgeniy Stepanov | 4d7297d | 2013-10-18 09:41:43 +0000 | [diff] [blame] | 54 | #include <mntent.h> |
Evgeniy Stepanov | 369a9a6 | 2013-10-23 13:57:47 +0000 | [diff] [blame] | 55 | #include <netinet/ether.h> |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 56 | |
| 57 | #if defined(__i386__) || defined(__x86_64__) |
| 58 | # include <emmintrin.h> |
| 59 | # define MSAN_HAS_M128 1 |
| 60 | #else |
| 61 | # define MSAN_HAS_M128 0 |
| 62 | #endif |
| 63 | |
Evgeniy Stepanov | 97160a8 | 2013-09-02 09:24:53 +0000 | [diff] [blame] | 64 | static const int kPageSize = 4096; |
| 65 | |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 66 | typedef unsigned char U1; |
| 67 | typedef unsigned short U2; // NOLINT |
| 68 | typedef unsigned int U4; |
| 69 | typedef unsigned long long U8; // NOLINT |
| 70 | typedef signed char S1; |
| 71 | typedef signed short S2; // NOLINT |
| 72 | typedef signed int S4; |
| 73 | typedef signed long long S8; // NOLINT |
| 74 | #define NOINLINE __attribute__((noinline)) |
| 75 | #define INLINE __attribute__((always_inline)) |
| 76 | |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 77 | static bool TrackingOrigins() { |
| 78 | S8 x; |
| 79 | __msan_set_origin(&x, sizeof(x), 0x1234); |
Evgeniy Stepanov | 250f221 | 2013-01-30 13:12:08 +0000 | [diff] [blame] | 80 | U4 origin = __msan_get_origin(&x); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 81 | __msan_set_origin(&x, sizeof(x), 0); |
| 82 | return origin == 0x1234; |
| 83 | } |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 84 | |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 85 | #define EXPECT_UMR(action) \ |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 86 | do { \ |
| 87 | __msan_set_expect_umr(1); \ |
| 88 | action; \ |
| 89 | __msan_set_expect_umr(0); \ |
| 90 | } while (0) |
| 91 | |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 92 | #define EXPECT_UMR_O(action, origin) \ |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 93 | do { \ |
| 94 | __msan_set_expect_umr(1); \ |
| 95 | action; \ |
| 96 | __msan_set_expect_umr(0); \ |
| 97 | if (TrackingOrigins()) \ |
Evgeniy Stepanov | 12c4693 | 2013-01-29 14:33:29 +0000 | [diff] [blame] | 98 | EXPECT_EQ(origin, __msan_get_umr_origin()); \ |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 99 | } while (0) |
| 100 | |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 101 | #define EXPECT_UMR_S(action, stack_origin) \ |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 102 | do { \ |
| 103 | __msan_set_expect_umr(1); \ |
| 104 | action; \ |
| 105 | __msan_set_expect_umr(0); \ |
Evgeniy Stepanov | 250f221 | 2013-01-30 13:12:08 +0000 | [diff] [blame] | 106 | U4 id = __msan_get_umr_origin(); \ |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 107 | const char *str = __msan_get_origin_descr_if_stack(id); \ |
| 108 | if (!str || strcmp(str, stack_origin)) { \ |
| 109 | fprintf(stderr, "EXPECT_POISONED_S: id=%u %s, %s", \ |
| 110 | id, stack_origin, str); \ |
| 111 | EXPECT_EQ(1, 0); \ |
| 112 | } \ |
| 113 | } while (0) |
| 114 | |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 115 | #define EXPECT_POISONED(x) ExpectPoisoned(x) |
| 116 | |
| 117 | template<typename T> |
| 118 | void ExpectPoisoned(const T& t) { |
| 119 | EXPECT_NE(-1, __msan_test_shadow((void*)&t, sizeof(t))); |
| 120 | } |
| 121 | |
| 122 | #define EXPECT_POISONED_O(x, origin) \ |
| 123 | ExpectPoisonedWithOrigin(x, origin) |
| 124 | |
| 125 | template<typename T> |
| 126 | void ExpectPoisonedWithOrigin(const T& t, unsigned origin) { |
| 127 | EXPECT_NE(-1, __msan_test_shadow((void*)&t, sizeof(t))); |
| 128 | if (TrackingOrigins()) |
| 129 | EXPECT_EQ(origin, __msan_get_origin((void*)&t)); |
| 130 | } |
| 131 | |
| 132 | #define EXPECT_POISONED_S(x, stack_origin) \ |
| 133 | ExpectPoisonedWithStackOrigin(x, stack_origin) |
| 134 | |
| 135 | template<typename T> |
| 136 | void ExpectPoisonedWithStackOrigin(const T& t, const char *stack_origin) { |
| 137 | EXPECT_NE(-1, __msan_test_shadow((void*)&t, sizeof(t))); |
Evgeniy Stepanov | 250f221 | 2013-01-30 13:12:08 +0000 | [diff] [blame] | 138 | U4 id = __msan_get_origin((void*)&t); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 139 | const char *str = __msan_get_origin_descr_if_stack(id); |
| 140 | if (!str || strcmp(str, stack_origin)) { |
| 141 | fprintf(stderr, "EXPECT_POISONED_S: id=%u %s, %s", |
| 142 | id, stack_origin, str); |
| 143 | EXPECT_EQ(1, 0); |
| 144 | } |
| 145 | } |
| 146 | |
| 147 | #define EXPECT_NOT_POISONED(x) ExpectNotPoisoned(x) |
| 148 | |
| 149 | template<typename T> |
| 150 | void ExpectNotPoisoned(const T& t) { |
| 151 | EXPECT_EQ(-1, __msan_test_shadow((void*)&t, sizeof(t))); |
| 152 | } |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 153 | |
| 154 | static U8 poisoned_array[100]; |
| 155 | template<class T> |
| 156 | T *GetPoisoned(int i = 0, T val = 0) { |
| 157 | T *res = (T*)&poisoned_array[i]; |
| 158 | *res = val; |
| 159 | __msan_poison(&poisoned_array[i], sizeof(T)); |
| 160 | return res; |
| 161 | } |
| 162 | |
| 163 | template<class T> |
Evgeniy Stepanov | 250f221 | 2013-01-30 13:12:08 +0000 | [diff] [blame] | 164 | T *GetPoisonedO(int i, U4 origin, T val = 0) { |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 165 | T *res = (T*)&poisoned_array[i]; |
| 166 | *res = val; |
| 167 | __msan_poison(&poisoned_array[i], sizeof(T)); |
| 168 | __msan_set_origin(&poisoned_array[i], sizeof(T), origin); |
| 169 | return res; |
| 170 | } |
| 171 | |
| 172 | // This function returns its parameter but in such a way that compiler |
| 173 | // can not prove it. |
| 174 | template<class T> |
| 175 | NOINLINE |
| 176 | static T Ident(T t) { |
| 177 | volatile T ret = t; |
| 178 | return ret; |
| 179 | } |
| 180 | |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 181 | template<class T> NOINLINE T ReturnPoisoned() { return *GetPoisoned<T>(); } |
| 182 | |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 183 | static volatile int g_one = 1; |
| 184 | static volatile int g_zero = 0; |
| 185 | static volatile int g_0 = 0; |
| 186 | static volatile int g_1 = 1; |
| 187 | |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 188 | S4 a_s4[100]; |
| 189 | S8 a_s8[100]; |
| 190 | |
Evgeniy Stepanov | 12c4693 | 2013-01-29 14:33:29 +0000 | [diff] [blame] | 191 | // Check that malloc poisons memory. |
| 192 | // A lot of tests below depend on this. |
| 193 | TEST(MemorySanitizerSanity, PoisonInMalloc) { |
| 194 | int *x = (int*)malloc(sizeof(int)); |
| 195 | EXPECT_POISONED(*x); |
| 196 | free(x); |
| 197 | } |
| 198 | |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 199 | TEST(MemorySanitizer, NegativeTest1) { |
| 200 | S4 *x = GetPoisoned<S4>(); |
| 201 | if (g_one) |
| 202 | *x = 0; |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 203 | EXPECT_NOT_POISONED(*x); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 204 | } |
| 205 | |
| 206 | TEST(MemorySanitizer, PositiveTest1) { |
| 207 | // Load to store. |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 208 | EXPECT_POISONED(*GetPoisoned<S1>()); |
| 209 | EXPECT_POISONED(*GetPoisoned<S2>()); |
| 210 | EXPECT_POISONED(*GetPoisoned<S4>()); |
| 211 | EXPECT_POISONED(*GetPoisoned<S8>()); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 212 | |
| 213 | // S->S conversions. |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 214 | EXPECT_POISONED(*GetPoisoned<S1>()); |
| 215 | EXPECT_POISONED(*GetPoisoned<S1>()); |
| 216 | EXPECT_POISONED(*GetPoisoned<S1>()); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 217 | |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 218 | EXPECT_POISONED(*GetPoisoned<S2>()); |
| 219 | EXPECT_POISONED(*GetPoisoned<S2>()); |
| 220 | EXPECT_POISONED(*GetPoisoned<S2>()); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 221 | |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 222 | EXPECT_POISONED(*GetPoisoned<S4>()); |
| 223 | EXPECT_POISONED(*GetPoisoned<S4>()); |
| 224 | EXPECT_POISONED(*GetPoisoned<S4>()); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 225 | |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 226 | EXPECT_POISONED(*GetPoisoned<S8>()); |
| 227 | EXPECT_POISONED(*GetPoisoned<S8>()); |
| 228 | EXPECT_POISONED(*GetPoisoned<S8>()); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 229 | |
| 230 | // ZExt |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 231 | EXPECT_POISONED(*GetPoisoned<U1>()); |
| 232 | EXPECT_POISONED(*GetPoisoned<U1>()); |
| 233 | EXPECT_POISONED(*GetPoisoned<U1>()); |
| 234 | EXPECT_POISONED(*GetPoisoned<U2>()); |
| 235 | EXPECT_POISONED(*GetPoisoned<U2>()); |
| 236 | EXPECT_POISONED(*GetPoisoned<U4>()); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 237 | |
| 238 | // Unary ops. |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 239 | EXPECT_POISONED(- *GetPoisoned<S4>()); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 240 | |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 241 | EXPECT_UMR(a_s4[g_zero] = 100 / *GetPoisoned<S4>(0, 1)); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 242 | |
| 243 | |
| 244 | a_s4[g_zero] = 1 - *GetPoisoned<S4>(); |
| 245 | a_s4[g_zero] = 1 + *GetPoisoned<S4>(); |
| 246 | } |
| 247 | |
| 248 | TEST(MemorySanitizer, Phi1) { |
| 249 | S4 c; |
| 250 | if (g_one) { |
| 251 | c = *GetPoisoned<S4>(); |
| 252 | } else { |
Evgeniy Stepanov | 12c4693 | 2013-01-29 14:33:29 +0000 | [diff] [blame] | 253 | break_optimization(0); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 254 | c = 0; |
| 255 | } |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 256 | EXPECT_POISONED(c); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 257 | } |
| 258 | |
| 259 | TEST(MemorySanitizer, Phi2) { |
| 260 | S4 i = *GetPoisoned<S4>(); |
| 261 | S4 n = g_one; |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 262 | EXPECT_UMR(for (; i < g_one; i++);); |
| 263 | EXPECT_POISONED(i); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 264 | } |
| 265 | |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 266 | NOINLINE void Arg1ExpectUMR(S4 a1) { EXPECT_POISONED(a1); } |
| 267 | NOINLINE void Arg2ExpectUMR(S4 a1, S4 a2) { EXPECT_POISONED(a2); } |
| 268 | NOINLINE void Arg3ExpectUMR(S1 a1, S4 a2, S8 a3) { EXPECT_POISONED(a3); } |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 269 | |
| 270 | TEST(MemorySanitizer, ArgTest) { |
| 271 | Arg1ExpectUMR(*GetPoisoned<S4>()); |
| 272 | Arg2ExpectUMR(0, *GetPoisoned<S4>()); |
| 273 | Arg3ExpectUMR(0, 1, *GetPoisoned<S8>()); |
| 274 | } |
| 275 | |
| 276 | |
| 277 | TEST(MemorySanitizer, CallAndRet) { |
| 278 | if (!__msan_has_dynamic_component()) return; |
| 279 | ReturnPoisoned<S1>(); |
| 280 | ReturnPoisoned<S2>(); |
| 281 | ReturnPoisoned<S4>(); |
| 282 | ReturnPoisoned<S8>(); |
| 283 | |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 284 | EXPECT_POISONED(ReturnPoisoned<S1>()); |
| 285 | EXPECT_POISONED(ReturnPoisoned<S2>()); |
| 286 | EXPECT_POISONED(ReturnPoisoned<S4>()); |
| 287 | EXPECT_POISONED(ReturnPoisoned<S8>()); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 288 | } |
| 289 | |
| 290 | // malloc() in the following test may be optimized to produce a compile-time |
| 291 | // undef value. Check that we trap on the volatile assignment anyway. |
| 292 | TEST(MemorySanitizer, DISABLED_MallocNoIdent) { |
| 293 | S4 *x = (int*)malloc(sizeof(S4)); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 294 | EXPECT_POISONED(*x); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 295 | free(x); |
| 296 | } |
| 297 | |
| 298 | TEST(MemorySanitizer, Malloc) { |
| 299 | S4 *x = (int*)Ident(malloc(sizeof(S4))); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 300 | EXPECT_POISONED(*x); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 301 | free(x); |
| 302 | } |
| 303 | |
| 304 | TEST(MemorySanitizer, Realloc) { |
| 305 | S4 *x = (int*)Ident(realloc(0, sizeof(S4))); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 306 | EXPECT_POISONED(x[0]); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 307 | x[0] = 1; |
| 308 | x = (int*)Ident(realloc(x, 2 * sizeof(S4))); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 309 | EXPECT_NOT_POISONED(x[0]); // Ok, was inited before. |
| 310 | EXPECT_POISONED(x[1]); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 311 | x = (int*)Ident(realloc(x, 3 * sizeof(S4))); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 312 | EXPECT_NOT_POISONED(x[0]); // Ok, was inited before. |
| 313 | EXPECT_POISONED(x[2]); |
| 314 | EXPECT_POISONED(x[1]); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 315 | x[2] = 1; // Init this here. Check that after realloc it is poisoned again. |
| 316 | x = (int*)Ident(realloc(x, 2 * sizeof(S4))); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 317 | EXPECT_NOT_POISONED(x[0]); // Ok, was inited before. |
| 318 | EXPECT_POISONED(x[1]); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 319 | x = (int*)Ident(realloc(x, 3 * sizeof(S4))); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 320 | EXPECT_POISONED(x[1]); |
| 321 | EXPECT_POISONED(x[2]); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 322 | free(x); |
| 323 | } |
| 324 | |
| 325 | TEST(MemorySanitizer, Calloc) { |
| 326 | S4 *x = (int*)Ident(calloc(1, sizeof(S4))); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 327 | EXPECT_NOT_POISONED(*x); // Should not be poisoned. |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 328 | // EXPECT_EQ(0, *x); |
| 329 | free(x); |
| 330 | } |
| 331 | |
| 332 | TEST(MemorySanitizer, AndOr) { |
| 333 | U4 *p = GetPoisoned<U4>(); |
| 334 | // We poison two bytes in the midle of a 4-byte word to make the test |
| 335 | // correct regardless of endianness. |
| 336 | ((U1*)p)[1] = 0; |
| 337 | ((U1*)p)[2] = 0xff; |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 338 | EXPECT_NOT_POISONED(*p & 0x00ffff00); |
| 339 | EXPECT_NOT_POISONED(*p & 0x00ff0000); |
| 340 | EXPECT_NOT_POISONED(*p & 0x0000ff00); |
| 341 | EXPECT_POISONED(*p & 0xff000000); |
| 342 | EXPECT_POISONED(*p & 0x000000ff); |
| 343 | EXPECT_POISONED(*p & 0x0000ffff); |
| 344 | EXPECT_POISONED(*p & 0xffff0000); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 345 | |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 346 | EXPECT_NOT_POISONED(*p | 0xff0000ff); |
| 347 | EXPECT_NOT_POISONED(*p | 0xff00ffff); |
| 348 | EXPECT_NOT_POISONED(*p | 0xffff00ff); |
| 349 | EXPECT_POISONED(*p | 0xff000000); |
| 350 | EXPECT_POISONED(*p | 0x000000ff); |
| 351 | EXPECT_POISONED(*p | 0x0000ffff); |
| 352 | EXPECT_POISONED(*p | 0xffff0000); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 353 | |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 354 | EXPECT_POISONED(*GetPoisoned<bool>() & *GetPoisoned<bool>()); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 355 | } |
| 356 | |
| 357 | template<class T> |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 358 | static bool applyNot(T value, T shadow) { |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 359 | __msan_partial_poison(&value, &shadow, sizeof(T)); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 360 | return !value; |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 361 | } |
| 362 | |
| 363 | TEST(MemorySanitizer, Not) { |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 364 | EXPECT_NOT_POISONED(applyNot<U4>(0x0, 0x0)); |
| 365 | EXPECT_NOT_POISONED(applyNot<U4>(0xFFFFFFFF, 0x0)); |
| 366 | EXPECT_POISONED(applyNot<U4>(0xFFFFFFFF, 0xFFFFFFFF)); |
| 367 | EXPECT_NOT_POISONED(applyNot<U4>(0xFF000000, 0x0FFFFFFF)); |
| 368 | EXPECT_NOT_POISONED(applyNot<U4>(0xFF000000, 0x00FFFFFF)); |
| 369 | EXPECT_NOT_POISONED(applyNot<U4>(0xFF000000, 0x0000FFFF)); |
| 370 | EXPECT_NOT_POISONED(applyNot<U4>(0xFF000000, 0x00000000)); |
| 371 | EXPECT_POISONED(applyNot<U4>(0xFF000000, 0xFF000000)); |
| 372 | EXPECT_NOT_POISONED(applyNot<U4>(0xFF800000, 0xFF000000)); |
| 373 | EXPECT_POISONED(applyNot<U4>(0x00008000, 0x00008000)); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 374 | |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 375 | EXPECT_NOT_POISONED(applyNot<U1>(0x0, 0x0)); |
| 376 | EXPECT_NOT_POISONED(applyNot<U1>(0xFF, 0xFE)); |
| 377 | EXPECT_NOT_POISONED(applyNot<U1>(0xFF, 0x0)); |
| 378 | EXPECT_POISONED(applyNot<U1>(0xFF, 0xFF)); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 379 | |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 380 | EXPECT_POISONED(applyNot<void*>((void*)0xFFFFFF, (void*)(-1))); |
| 381 | EXPECT_NOT_POISONED(applyNot<void*>((void*)0xFFFFFF, (void*)(-2))); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 382 | } |
| 383 | |
| 384 | TEST(MemorySanitizer, Shift) { |
| 385 | U4 *up = GetPoisoned<U4>(); |
| 386 | ((U1*)up)[0] = 0; |
| 387 | ((U1*)up)[3] = 0xff; |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 388 | EXPECT_NOT_POISONED(*up >> 30); |
| 389 | EXPECT_NOT_POISONED(*up >> 24); |
| 390 | EXPECT_POISONED(*up >> 23); |
| 391 | EXPECT_POISONED(*up >> 10); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 392 | |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 393 | EXPECT_NOT_POISONED(*up << 30); |
| 394 | EXPECT_NOT_POISONED(*up << 24); |
| 395 | EXPECT_POISONED(*up << 23); |
| 396 | EXPECT_POISONED(*up << 10); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 397 | |
| 398 | S4 *sp = (S4*)up; |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 399 | EXPECT_NOT_POISONED(*sp >> 30); |
| 400 | EXPECT_NOT_POISONED(*sp >> 24); |
| 401 | EXPECT_POISONED(*sp >> 23); |
| 402 | EXPECT_POISONED(*sp >> 10); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 403 | |
| 404 | sp = GetPoisoned<S4>(); |
| 405 | ((S1*)sp)[1] = 0; |
| 406 | ((S1*)sp)[2] = 0; |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 407 | EXPECT_POISONED(*sp >> 31); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 408 | |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 409 | EXPECT_POISONED(100 >> *GetPoisoned<S4>()); |
| 410 | EXPECT_POISONED(100U >> *GetPoisoned<S4>()); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 411 | } |
| 412 | |
| 413 | NOINLINE static int GetPoisonedZero() { |
| 414 | int *zero = new int; |
| 415 | *zero = 0; |
| 416 | __msan_poison(zero, sizeof(*zero)); |
| 417 | int res = *zero; |
| 418 | delete zero; |
| 419 | return res; |
| 420 | } |
| 421 | |
| 422 | TEST(MemorySanitizer, LoadFromDirtyAddress) { |
| 423 | int *a = new int; |
| 424 | *a = 0; |
Evgeniy Stepanov | 12c4693 | 2013-01-29 14:33:29 +0000 | [diff] [blame] | 425 | EXPECT_UMR(break_optimization((void*)(U8)a[GetPoisonedZero()])); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 426 | delete a; |
| 427 | } |
| 428 | |
| 429 | TEST(MemorySanitizer, StoreToDirtyAddress) { |
| 430 | int *a = new int; |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 431 | EXPECT_UMR(a[GetPoisonedZero()] = 0); |
Evgeniy Stepanov | 12c4693 | 2013-01-29 14:33:29 +0000 | [diff] [blame] | 432 | break_optimization(a); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 433 | delete a; |
| 434 | } |
| 435 | |
| 436 | |
| 437 | NOINLINE void StackTestFunc() { |
| 438 | S4 p4; |
| 439 | S4 ok4 = 1; |
| 440 | S2 p2; |
| 441 | S2 ok2 = 1; |
| 442 | S1 p1; |
| 443 | S1 ok1 = 1; |
Evgeniy Stepanov | 12c4693 | 2013-01-29 14:33:29 +0000 | [diff] [blame] | 444 | break_optimization(&p4); |
| 445 | break_optimization(&ok4); |
| 446 | break_optimization(&p2); |
| 447 | break_optimization(&ok2); |
| 448 | break_optimization(&p1); |
| 449 | break_optimization(&ok1); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 450 | |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 451 | EXPECT_POISONED(p4); |
| 452 | EXPECT_POISONED(p2); |
| 453 | EXPECT_POISONED(p1); |
| 454 | EXPECT_NOT_POISONED(ok1); |
| 455 | EXPECT_NOT_POISONED(ok2); |
| 456 | EXPECT_NOT_POISONED(ok4); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 457 | } |
| 458 | |
| 459 | TEST(MemorySanitizer, StackTest) { |
| 460 | StackTestFunc(); |
| 461 | } |
| 462 | |
| 463 | NOINLINE void StackStressFunc() { |
| 464 | int foo[10000]; |
Evgeniy Stepanov | 12c4693 | 2013-01-29 14:33:29 +0000 | [diff] [blame] | 465 | break_optimization(foo); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 466 | } |
| 467 | |
| 468 | TEST(MemorySanitizer, DISABLED_StackStressTest) { |
| 469 | for (int i = 0; i < 1000000; i++) |
| 470 | StackStressFunc(); |
| 471 | } |
| 472 | |
| 473 | template<class T> |
| 474 | void TestFloatingPoint() { |
| 475 | static volatile T v; |
| 476 | static T g[100]; |
Evgeniy Stepanov | 12c4693 | 2013-01-29 14:33:29 +0000 | [diff] [blame] | 477 | break_optimization(&g); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 478 | T *x = GetPoisoned<T>(); |
| 479 | T *y = GetPoisoned<T>(1); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 480 | EXPECT_POISONED(*x); |
| 481 | EXPECT_POISONED((long long)*x); |
| 482 | EXPECT_POISONED((int)*x); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 483 | g[0] = *x; |
| 484 | g[1] = *x + *y; |
| 485 | g[2] = *x - *y; |
| 486 | g[3] = *x * *y; |
| 487 | } |
| 488 | |
| 489 | TEST(MemorySanitizer, FloatingPointTest) { |
| 490 | TestFloatingPoint<float>(); |
| 491 | TestFloatingPoint<double>(); |
| 492 | } |
| 493 | |
| 494 | TEST(MemorySanitizer, DynMem) { |
| 495 | S4 x = 0; |
| 496 | S4 *y = GetPoisoned<S4>(); |
| 497 | memcpy(y, &x, g_one * sizeof(S4)); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 498 | EXPECT_NOT_POISONED(*y); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 499 | } |
| 500 | |
| 501 | static char *DynRetTestStr; |
| 502 | |
| 503 | TEST(MemorySanitizer, DynRet) { |
| 504 | if (!__msan_has_dynamic_component()) return; |
| 505 | ReturnPoisoned<S8>(); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 506 | EXPECT_NOT_POISONED(clearenv()); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 507 | } |
| 508 | |
| 509 | |
| 510 | TEST(MemorySanitizer, DynRet1) { |
| 511 | if (!__msan_has_dynamic_component()) return; |
| 512 | ReturnPoisoned<S8>(); |
| 513 | } |
| 514 | |
| 515 | struct LargeStruct { |
| 516 | S4 x[10]; |
| 517 | }; |
| 518 | |
| 519 | NOINLINE |
| 520 | LargeStruct LargeRetTest() { |
| 521 | LargeStruct res; |
| 522 | res.x[0] = *GetPoisoned<S4>(); |
| 523 | res.x[1] = *GetPoisoned<S4>(); |
| 524 | res.x[2] = *GetPoisoned<S4>(); |
| 525 | res.x[3] = *GetPoisoned<S4>(); |
| 526 | res.x[4] = *GetPoisoned<S4>(); |
| 527 | res.x[5] = *GetPoisoned<S4>(); |
| 528 | res.x[6] = *GetPoisoned<S4>(); |
| 529 | res.x[7] = *GetPoisoned<S4>(); |
| 530 | res.x[8] = *GetPoisoned<S4>(); |
| 531 | res.x[9] = *GetPoisoned<S4>(); |
| 532 | return res; |
| 533 | } |
| 534 | |
Alexey Samsonov | 67505a8 | 2013-07-16 12:51:53 +0000 | [diff] [blame] | 535 | TEST(MemorySanitizer, strcmp) { |
| 536 | char s1[10]; |
| 537 | char s2[10]; |
| 538 | strncpy(s1, "foo", 10); |
| 539 | s2[0] = 'f'; |
| 540 | s2[1] = 'n'; |
| 541 | EXPECT_GT(strcmp(s1, s2), 0); |
| 542 | s2[1] = 'o'; |
| 543 | int res; |
| 544 | EXPECT_UMR(res = strcmp(s1, s2)); |
| 545 | EXPECT_NOT_POISONED(res); |
| 546 | EXPECT_EQ(strncmp(s1, s2, 1), 0); |
| 547 | } |
| 548 | |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 549 | TEST(MemorySanitizer, LargeRet) { |
| 550 | LargeStruct a = LargeRetTest(); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 551 | EXPECT_POISONED(a.x[0]); |
| 552 | EXPECT_POISONED(a.x[9]); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 553 | } |
| 554 | |
Evgeniy Stepanov | 1204979 | 2013-08-08 11:44:05 +0000 | [diff] [blame] | 555 | TEST(MemorySanitizer, strerror) { |
| 556 | char *buf = strerror(EINVAL); |
| 557 | EXPECT_NOT_POISONED(strlen(buf)); |
| 558 | buf = strerror(123456); |
| 559 | EXPECT_NOT_POISONED(strlen(buf)); |
| 560 | } |
| 561 | |
| 562 | TEST(MemorySanitizer, strerror_r) { |
| 563 | errno = 0; |
| 564 | char buf[1000]; |
| 565 | char *res = strerror_r(EINVAL, buf, sizeof(buf)); |
| 566 | ASSERT_EQ(0, errno); |
| 567 | if (!res) res = buf; // POSIX version success. |
| 568 | EXPECT_NOT_POISONED(strlen(res)); |
| 569 | } |
| 570 | |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 571 | TEST(MemorySanitizer, fread) { |
| 572 | char *x = new char[32]; |
| 573 | FILE *f = fopen("/proc/self/stat", "r"); |
| 574 | assert(f); |
| 575 | fread(x, 1, 32, f); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 576 | EXPECT_NOT_POISONED(x[0]); |
| 577 | EXPECT_NOT_POISONED(x[16]); |
| 578 | EXPECT_NOT_POISONED(x[31]); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 579 | fclose(f); |
| 580 | delete x; |
| 581 | } |
| 582 | |
| 583 | TEST(MemorySanitizer, read) { |
| 584 | char *x = new char[32]; |
| 585 | int fd = open("/proc/self/stat", O_RDONLY); |
| 586 | assert(fd > 0); |
| 587 | int sz = read(fd, x, 32); |
| 588 | assert(sz == 32); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 589 | EXPECT_NOT_POISONED(x[0]); |
| 590 | EXPECT_NOT_POISONED(x[16]); |
| 591 | EXPECT_NOT_POISONED(x[31]); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 592 | close(fd); |
| 593 | delete x; |
| 594 | } |
| 595 | |
| 596 | TEST(MemorySanitizer, pread) { |
| 597 | char *x = new char[32]; |
| 598 | int fd = open("/proc/self/stat", O_RDONLY); |
| 599 | assert(fd > 0); |
| 600 | int sz = pread(fd, x, 32, 0); |
| 601 | assert(sz == 32); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 602 | EXPECT_NOT_POISONED(x[0]); |
| 603 | EXPECT_NOT_POISONED(x[16]); |
| 604 | EXPECT_NOT_POISONED(x[31]); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 605 | close(fd); |
| 606 | delete x; |
| 607 | } |
| 608 | |
Evgeniy Stepanov | b916e6a | 2013-06-24 10:43:23 +0000 | [diff] [blame] | 609 | TEST(MemorySanitizer, readv) { |
| 610 | char buf[2011]; |
| 611 | struct iovec iov[2]; |
| 612 | iov[0].iov_base = buf + 1; |
| 613 | iov[0].iov_len = 5; |
| 614 | iov[1].iov_base = buf + 10; |
| 615 | iov[1].iov_len = 2000; |
| 616 | int fd = open("/proc/self/stat", O_RDONLY); |
| 617 | assert(fd > 0); |
| 618 | int sz = readv(fd, iov, 2); |
| 619 | ASSERT_LT(sz, 5 + 2000); |
| 620 | ASSERT_GT(sz, iov[0].iov_len); |
| 621 | EXPECT_POISONED(buf[0]); |
| 622 | EXPECT_NOT_POISONED(buf[1]); |
| 623 | EXPECT_NOT_POISONED(buf[5]); |
| 624 | EXPECT_POISONED(buf[6]); |
| 625 | EXPECT_POISONED(buf[9]); |
| 626 | EXPECT_NOT_POISONED(buf[10]); |
| 627 | EXPECT_NOT_POISONED(buf[10 + (sz - 1) - 5]); |
| 628 | EXPECT_POISONED(buf[11 + (sz - 1) - 5]); |
| 629 | close(fd); |
| 630 | } |
| 631 | |
| 632 | TEST(MemorySanitizer, preadv) { |
| 633 | char buf[2011]; |
| 634 | struct iovec iov[2]; |
| 635 | iov[0].iov_base = buf + 1; |
| 636 | iov[0].iov_len = 5; |
| 637 | iov[1].iov_base = buf + 10; |
| 638 | iov[1].iov_len = 2000; |
| 639 | int fd = open("/proc/self/stat", O_RDONLY); |
| 640 | assert(fd > 0); |
| 641 | int sz = preadv(fd, iov, 2, 3); |
| 642 | ASSERT_LT(sz, 5 + 2000); |
| 643 | ASSERT_GT(sz, iov[0].iov_len); |
| 644 | EXPECT_POISONED(buf[0]); |
| 645 | EXPECT_NOT_POISONED(buf[1]); |
| 646 | EXPECT_NOT_POISONED(buf[5]); |
| 647 | EXPECT_POISONED(buf[6]); |
| 648 | EXPECT_POISONED(buf[9]); |
| 649 | EXPECT_NOT_POISONED(buf[10]); |
| 650 | EXPECT_NOT_POISONED(buf[10 + (sz - 1) - 5]); |
| 651 | EXPECT_POISONED(buf[11 + (sz - 1) - 5]); |
| 652 | close(fd); |
| 653 | } |
| 654 | |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 655 | // FIXME: fails now. |
| 656 | TEST(MemorySanitizer, DISABLED_ioctl) { |
| 657 | struct winsize ws; |
| 658 | EXPECT_EQ(ioctl(2, TIOCGWINSZ, &ws), 0); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 659 | EXPECT_NOT_POISONED(ws.ws_col); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 660 | } |
| 661 | |
| 662 | TEST(MemorySanitizer, readlink) { |
| 663 | char *x = new char[1000]; |
| 664 | readlink("/proc/self/exe", x, 1000); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 665 | EXPECT_NOT_POISONED(x[0]); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 666 | delete [] x; |
| 667 | } |
| 668 | |
| 669 | |
| 670 | TEST(MemorySanitizer, stat) { |
| 671 | struct stat* st = new struct stat; |
| 672 | int res = stat("/proc/self/stat", st); |
| 673 | assert(!res); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 674 | EXPECT_NOT_POISONED(st->st_dev); |
| 675 | EXPECT_NOT_POISONED(st->st_mode); |
| 676 | EXPECT_NOT_POISONED(st->st_size); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 677 | } |
| 678 | |
Evgeniy Stepanov | bb22942 | 2013-09-09 13:40:41 +0000 | [diff] [blame] | 679 | TEST(MemorySanitizer, fstatat) { |
| 680 | struct stat* st = new struct stat; |
| 681 | int dirfd = open("/proc/self", O_RDONLY); |
| 682 | assert(dirfd > 0); |
| 683 | int res = fstatat(dirfd, "stat", st, 0); |
| 684 | assert(!res); |
| 685 | EXPECT_NOT_POISONED(st->st_dev); |
| 686 | EXPECT_NOT_POISONED(st->st_mode); |
| 687 | EXPECT_NOT_POISONED(st->st_size); |
| 688 | close(dirfd); |
| 689 | } |
| 690 | |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 691 | TEST(MemorySanitizer, statfs) { |
Evgeniy Stepanov | 5cee73e | 2013-10-18 11:14:16 +0000 | [diff] [blame] | 692 | struct statfs st; |
| 693 | int res = statfs("/", &st); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 694 | assert(!res); |
Evgeniy Stepanov | 5cee73e | 2013-10-18 11:14:16 +0000 | [diff] [blame] | 695 | EXPECT_NOT_POISONED(st.f_type); |
| 696 | EXPECT_NOT_POISONED(st.f_bfree); |
| 697 | EXPECT_NOT_POISONED(st.f_namelen); |
| 698 | } |
| 699 | |
| 700 | TEST(MemorySanitizer, statvfs) { |
| 701 | struct statvfs st; |
| 702 | int res = statvfs("/", &st); |
| 703 | assert(!res); |
| 704 | EXPECT_NOT_POISONED(st.f_bsize); |
| 705 | EXPECT_NOT_POISONED(st.f_blocks); |
| 706 | EXPECT_NOT_POISONED(st.f_bfree); |
| 707 | EXPECT_NOT_POISONED(st.f_namemax); |
| 708 | } |
| 709 | |
| 710 | TEST(MemorySanitizer, fstatvfs) { |
| 711 | struct statvfs st; |
| 712 | int fd = open("/", O_RDONLY | O_DIRECTORY); |
| 713 | int res = fstatvfs(fd, &st); |
| 714 | assert(!res); |
| 715 | EXPECT_NOT_POISONED(st.f_bsize); |
| 716 | EXPECT_NOT_POISONED(st.f_blocks); |
| 717 | EXPECT_NOT_POISONED(st.f_bfree); |
| 718 | EXPECT_NOT_POISONED(st.f_namemax); |
| 719 | close(fd); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 720 | } |
| 721 | |
| 722 | TEST(MemorySanitizer, pipe) { |
| 723 | int* pipefd = new int[2]; |
| 724 | int res = pipe(pipefd); |
| 725 | assert(!res); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 726 | EXPECT_NOT_POISONED(pipefd[0]); |
| 727 | EXPECT_NOT_POISONED(pipefd[1]); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 728 | close(pipefd[0]); |
| 729 | close(pipefd[1]); |
| 730 | } |
| 731 | |
Evgeniy Stepanov | 134fe8a | 2013-04-08 13:45:12 +0000 | [diff] [blame] | 732 | TEST(MemorySanitizer, pipe2) { |
| 733 | int* pipefd = new int[2]; |
| 734 | int res = pipe2(pipefd, O_NONBLOCK); |
| 735 | assert(!res); |
| 736 | EXPECT_NOT_POISONED(pipefd[0]); |
| 737 | EXPECT_NOT_POISONED(pipefd[1]); |
| 738 | close(pipefd[0]); |
| 739 | close(pipefd[1]); |
| 740 | } |
| 741 | |
| 742 | TEST(MemorySanitizer, socketpair) { |
| 743 | int sv[2]; |
| 744 | int res = socketpair(AF_UNIX, SOCK_STREAM, 0, sv); |
| 745 | assert(!res); |
| 746 | EXPECT_NOT_POISONED(sv[0]); |
| 747 | EXPECT_NOT_POISONED(sv[1]); |
| 748 | close(sv[0]); |
| 749 | close(sv[1]); |
| 750 | } |
| 751 | |
Evgeniy Stepanov | e18e3f0 | 2013-08-12 13:19:53 +0000 | [diff] [blame] | 752 | TEST(MemorySanitizer, poll) { |
| 753 | int* pipefd = new int[2]; |
| 754 | int res = pipe(pipefd); |
| 755 | ASSERT_EQ(0, res); |
| 756 | |
| 757 | char data = 42; |
| 758 | res = write(pipefd[1], &data, 1); |
| 759 | ASSERT_EQ(1, res); |
| 760 | |
| 761 | pollfd fds[2]; |
| 762 | fds[0].fd = pipefd[0]; |
| 763 | fds[0].events = POLLIN; |
| 764 | fds[1].fd = pipefd[1]; |
| 765 | fds[1].events = POLLIN; |
| 766 | res = poll(fds, 2, 500); |
| 767 | ASSERT_EQ(1, res); |
| 768 | EXPECT_NOT_POISONED(fds[0].revents); |
| 769 | EXPECT_NOT_POISONED(fds[1].revents); |
| 770 | |
| 771 | close(pipefd[0]); |
| 772 | close(pipefd[1]); |
| 773 | } |
| 774 | |
Evgeniy Stepanov | 47177ef | 2013-08-27 11:10:20 +0000 | [diff] [blame] | 775 | TEST(MemorySanitizer, ppoll) { |
| 776 | int* pipefd = new int[2]; |
| 777 | int res = pipe(pipefd); |
| 778 | ASSERT_EQ(0, res); |
| 779 | |
| 780 | char data = 42; |
| 781 | res = write(pipefd[1], &data, 1); |
| 782 | ASSERT_EQ(1, res); |
| 783 | |
| 784 | pollfd fds[2]; |
| 785 | fds[0].fd = pipefd[0]; |
| 786 | fds[0].events = POLLIN; |
| 787 | fds[1].fd = pipefd[1]; |
| 788 | fds[1].events = POLLIN; |
| 789 | sigset_t ss; |
| 790 | sigemptyset(&ss); |
| 791 | res = ppoll(fds, 2, NULL, &ss); |
| 792 | ASSERT_EQ(1, res); |
| 793 | EXPECT_NOT_POISONED(fds[0].revents); |
| 794 | EXPECT_NOT_POISONED(fds[1].revents); |
| 795 | |
| 796 | close(pipefd[0]); |
| 797 | close(pipefd[1]); |
| 798 | } |
| 799 | |
Evgeniy Stepanov | e18e3f0 | 2013-08-12 13:19:53 +0000 | [diff] [blame] | 800 | TEST(MemorySanitizer, poll_positive) { |
| 801 | int* pipefd = new int[2]; |
| 802 | int res = pipe(pipefd); |
| 803 | ASSERT_EQ(0, res); |
| 804 | |
| 805 | pollfd fds[2]; |
| 806 | fds[0].fd = pipefd[0]; |
| 807 | fds[0].events = POLLIN; |
| 808 | // fds[1].fd uninitialized |
| 809 | fds[1].events = POLLIN; |
| 810 | EXPECT_UMR(poll(fds, 2, 0)); |
| 811 | |
| 812 | close(pipefd[0]); |
| 813 | close(pipefd[1]); |
| 814 | } |
| 815 | |
Evgeniy Stepanov | 9f58c5c | 2013-05-22 13:46:22 +0000 | [diff] [blame] | 816 | TEST(MemorySanitizer, bind_getsockname) { |
| 817 | int sock = socket(AF_UNIX, SOCK_STREAM, 0); |
| 818 | |
| 819 | struct sockaddr_in sai; |
| 820 | memset(&sai, 0, sizeof(sai)); |
| 821 | sai.sin_family = AF_UNIX; |
| 822 | int res = bind(sock, (struct sockaddr *)&sai, sizeof(sai)); |
| 823 | |
| 824 | assert(!res); |
| 825 | char buf[200]; |
| 826 | socklen_t addrlen; |
| 827 | EXPECT_UMR(getsockname(sock, (struct sockaddr *)&buf, &addrlen)); |
| 828 | |
| 829 | addrlen = sizeof(buf); |
| 830 | res = getsockname(sock, (struct sockaddr *)&buf, &addrlen); |
| 831 | EXPECT_NOT_POISONED(addrlen); |
| 832 | EXPECT_NOT_POISONED(buf[0]); |
| 833 | EXPECT_NOT_POISONED(buf[addrlen - 1]); |
| 834 | EXPECT_POISONED(buf[addrlen]); |
| 835 | close(sock); |
| 836 | } |
| 837 | |
Evgeniy Stepanov | 9d1525e | 2013-05-29 09:09:58 +0000 | [diff] [blame] | 838 | TEST(MemorySanitizer, accept) { |
| 839 | int listen_socket = socket(AF_INET, SOCK_STREAM, 0); |
| 840 | ASSERT_LT(0, listen_socket); |
| 841 | |
| 842 | struct sockaddr_in sai; |
Evgeniy Stepanov | ab8bf09 | 2013-10-17 11:32:30 +0000 | [diff] [blame] | 843 | memset(&sai, 0, sizeof(sai)); |
Evgeniy Stepanov | 9d1525e | 2013-05-29 09:09:58 +0000 | [diff] [blame] | 844 | sai.sin_family = AF_INET; |
| 845 | sai.sin_port = 0; |
| 846 | sai.sin_addr.s_addr = htonl(INADDR_LOOPBACK); |
| 847 | int res = bind(listen_socket, (struct sockaddr *)&sai, sizeof(sai)); |
| 848 | ASSERT_EQ(0, res); |
| 849 | |
| 850 | res = listen(listen_socket, 1); |
| 851 | ASSERT_EQ(0, res); |
| 852 | |
| 853 | socklen_t sz = sizeof(sai); |
| 854 | res = getsockname(listen_socket, (struct sockaddr *)&sai, &sz); |
| 855 | ASSERT_EQ(0, res); |
| 856 | ASSERT_EQ(sizeof(sai), sz); |
Evgeniy Stepanov | bc33e13 | 2013-05-29 11:49:25 +0000 | [diff] [blame] | 857 | |
Evgeniy Stepanov | 9d1525e | 2013-05-29 09:09:58 +0000 | [diff] [blame] | 858 | int connect_socket = socket(AF_INET, SOCK_STREAM, 0); |
| 859 | ASSERT_LT(0, connect_socket); |
| 860 | res = fcntl(connect_socket, F_SETFL, O_NONBLOCK); |
| 861 | ASSERT_EQ(0, res); |
| 862 | res = connect(connect_socket, (struct sockaddr *)&sai, sizeof(sai)); |
| 863 | ASSERT_EQ(-1, res); |
| 864 | ASSERT_EQ(EINPROGRESS, errno); |
| 865 | |
| 866 | __msan_poison(&sai, sizeof(sai)); |
Evgeniy Stepanov | bc33e13 | 2013-05-29 11:49:25 +0000 | [diff] [blame] | 867 | int new_sock = accept(listen_socket, (struct sockaddr *)&sai, &sz); |
Evgeniy Stepanov | 9d1525e | 2013-05-29 09:09:58 +0000 | [diff] [blame] | 868 | ASSERT_LT(0, new_sock); |
| 869 | ASSERT_EQ(sizeof(sai), sz); |
| 870 | EXPECT_NOT_POISONED(sai); |
| 871 | |
Evgeniy Stepanov | bc33e13 | 2013-05-29 11:49:25 +0000 | [diff] [blame] | 872 | __msan_poison(&sai, sizeof(sai)); |
| 873 | res = getpeername(new_sock, (struct sockaddr *)&sai, &sz); |
| 874 | ASSERT_EQ(0, res); |
| 875 | ASSERT_EQ(sizeof(sai), sz); |
| 876 | EXPECT_NOT_POISONED(sai); |
| 877 | |
Evgeniy Stepanov | 9d1525e | 2013-05-29 09:09:58 +0000 | [diff] [blame] | 878 | close(new_sock); |
| 879 | close(connect_socket); |
| 880 | close(listen_socket); |
| 881 | } |
| 882 | |
Evgeniy Stepanov | 512c616 | 2013-05-29 12:33:31 +0000 | [diff] [blame] | 883 | TEST(MemorySanitizer, getaddrinfo) { |
| 884 | struct addrinfo *ai; |
| 885 | struct addrinfo hints; |
| 886 | memset(&hints, 0, sizeof(hints)); |
| 887 | hints.ai_family = AF_INET; |
| 888 | int res = getaddrinfo("localhost", NULL, &hints, &ai); |
| 889 | ASSERT_EQ(0, res); |
| 890 | EXPECT_NOT_POISONED(*ai); |
| 891 | ASSERT_EQ(sizeof(sockaddr_in), ai->ai_addrlen); |
| 892 | EXPECT_NOT_POISONED(*(sockaddr_in*)ai->ai_addr); |
| 893 | } |
| 894 | |
Evgeniy Stepanov | 9eedf48 | 2013-07-01 13:51:31 +0000 | [diff] [blame] | 895 | TEST(MemorySanitizer, getnameinfo) { |
| 896 | struct sockaddr_in sai; |
Evgeniy Stepanov | ab8bf09 | 2013-10-17 11:32:30 +0000 | [diff] [blame] | 897 | memset(&sai, 0, sizeof(sai)); |
Evgeniy Stepanov | 9eedf48 | 2013-07-01 13:51:31 +0000 | [diff] [blame] | 898 | sai.sin_family = AF_INET; |
| 899 | sai.sin_port = 80; |
| 900 | sai.sin_addr.s_addr = htonl(INADDR_LOOPBACK); |
| 901 | char host[500]; |
| 902 | char serv[500]; |
| 903 | int res = getnameinfo((struct sockaddr *)&sai, sizeof(sai), host, |
| 904 | sizeof(host), serv, sizeof(serv), 0); |
| 905 | ASSERT_EQ(0, res); |
| 906 | EXPECT_NOT_POISONED(host[0]); |
| 907 | EXPECT_POISONED(host[sizeof(host) - 1]); |
| 908 | |
| 909 | ASSERT_NE(0, strlen(host)); |
| 910 | EXPECT_NOT_POISONED(serv[0]); |
| 911 | EXPECT_POISONED(serv[sizeof(serv) - 1]); |
| 912 | ASSERT_NE(0, strlen(serv)); |
| 913 | } |
| 914 | |
Evgeniy Stepanov | 0a2cc37 | 2013-05-23 11:10:23 +0000 | [diff] [blame] | 915 | #define EXPECT_HOSTENT_NOT_POISONED(he) \ |
| 916 | do { \ |
| 917 | EXPECT_NOT_POISONED(*(he)); \ |
| 918 | ASSERT_NE((void *) 0, (he)->h_name); \ |
| 919 | ASSERT_NE((void *) 0, (he)->h_aliases); \ |
| 920 | ASSERT_NE((void *) 0, (he)->h_addr_list); \ |
| 921 | EXPECT_NOT_POISONED(strlen((he)->h_name)); \ |
| 922 | char **p = (he)->h_aliases; \ |
| 923 | while (*p) { \ |
| 924 | EXPECT_NOT_POISONED(strlen(*p)); \ |
| 925 | ++p; \ |
| 926 | } \ |
| 927 | char **q = (he)->h_addr_list; \ |
| 928 | while (*q) { \ |
| 929 | EXPECT_NOT_POISONED(*q[0]); \ |
| 930 | ++q; \ |
| 931 | } \ |
| 932 | EXPECT_NOT_POISONED(*q); \ |
| 933 | } while (0) |
| 934 | |
| 935 | TEST(MemorySanitizer, gethostent) { |
| 936 | struct hostent *he = gethostent(); |
| 937 | ASSERT_NE((void *)NULL, he); |
| 938 | EXPECT_HOSTENT_NOT_POISONED(he); |
| 939 | } |
| 940 | |
Evgeniy Stepanov | 263800b | 2013-06-27 13:21:00 +0000 | [diff] [blame] | 941 | #ifndef MSAN_TEST_DISABLE_GETHOSTBYNAME |
| 942 | |
Evgeniy Stepanov | 0a2cc37 | 2013-05-23 11:10:23 +0000 | [diff] [blame] | 943 | TEST(MemorySanitizer, gethostbyname) { |
| 944 | struct hostent *he = gethostbyname("localhost"); |
| 945 | ASSERT_NE((void *)NULL, he); |
| 946 | EXPECT_HOSTENT_NOT_POISONED(he); |
| 947 | } |
| 948 | |
Evgeniy Stepanov | 263800b | 2013-06-27 13:21:00 +0000 | [diff] [blame] | 949 | #endif // MSAN_TEST_DISABLE_GETHOSTBYNAME |
| 950 | |
Evgeniy Stepanov | ab8bf09 | 2013-10-17 11:32:30 +0000 | [diff] [blame] | 951 | TEST(MemorySanitizer, recvmsg) { |
| 952 | int server_socket = socket(AF_INET, SOCK_DGRAM, 0); |
| 953 | ASSERT_LT(0, server_socket); |
| 954 | |
| 955 | struct sockaddr_in sai; |
| 956 | memset(&sai, 0, sizeof(sai)); |
| 957 | sai.sin_family = AF_INET; |
| 958 | sai.sin_port = 0; |
| 959 | sai.sin_addr.s_addr = htonl(INADDR_LOOPBACK); |
| 960 | int res = bind(server_socket, (struct sockaddr *)&sai, sizeof(sai)); |
| 961 | ASSERT_EQ(0, res); |
| 962 | |
| 963 | socklen_t sz = sizeof(sai); |
| 964 | res = getsockname(server_socket, (struct sockaddr *)&sai, &sz); |
| 965 | ASSERT_EQ(0, res); |
| 966 | ASSERT_EQ(sizeof(sai), sz); |
| 967 | |
| 968 | |
| 969 | int client_socket = socket(AF_INET, SOCK_DGRAM, 0); |
| 970 | ASSERT_LT(0, client_socket); |
| 971 | |
| 972 | struct sockaddr_in client_sai; |
| 973 | memset(&client_sai, 0, sizeof(client_sai)); |
| 974 | client_sai.sin_family = AF_INET; |
| 975 | client_sai.sin_port = 0; |
| 976 | client_sai.sin_addr.s_addr = htonl(INADDR_LOOPBACK); |
| 977 | res = bind(client_socket, (struct sockaddr *)&client_sai, sizeof(client_sai)); |
| 978 | ASSERT_EQ(0, res); |
| 979 | |
| 980 | sz = sizeof(client_sai); |
| 981 | res = getsockname(client_socket, (struct sockaddr *)&client_sai, &sz); |
| 982 | ASSERT_EQ(0, res); |
| 983 | ASSERT_EQ(sizeof(client_sai), sz); |
| 984 | |
| 985 | |
| 986 | const char *s = "message text"; |
| 987 | struct iovec iov; |
| 988 | iov.iov_base = (void *)s; |
| 989 | iov.iov_len = strlen(s) + 1; |
| 990 | struct msghdr msg; |
| 991 | memset(&msg, 0, sizeof(msg)); |
| 992 | msg.msg_name = &sai; |
| 993 | msg.msg_namelen = sizeof(sai); |
| 994 | msg.msg_iov = &iov; |
| 995 | msg.msg_iovlen = 1; |
| 996 | res = sendmsg(client_socket, &msg, 0); |
| 997 | ASSERT_LT(0, res); |
| 998 | |
| 999 | |
| 1000 | char buf[1000]; |
| 1001 | struct iovec recv_iov; |
| 1002 | recv_iov.iov_base = (void *)&buf; |
| 1003 | recv_iov.iov_len = sizeof(buf); |
| 1004 | struct sockaddr_in recv_sai; |
| 1005 | struct msghdr recv_msg; |
| 1006 | memset(&recv_msg, 0, sizeof(recv_msg)); |
| 1007 | recv_msg.msg_name = &recv_sai; |
| 1008 | recv_msg.msg_namelen = sizeof(recv_sai); |
| 1009 | recv_msg.msg_iov = &recv_iov; |
| 1010 | recv_msg.msg_iovlen = 1; |
| 1011 | res = recvmsg(server_socket, &recv_msg, 0); |
| 1012 | ASSERT_LT(0, res); |
| 1013 | |
| 1014 | ASSERT_EQ(sizeof(recv_sai), recv_msg.msg_namelen); |
| 1015 | EXPECT_NOT_POISONED(*(struct sockaddr_in *)recv_msg.msg_name); |
| 1016 | EXPECT_STREQ(s, buf); |
| 1017 | |
| 1018 | close(server_socket); |
| 1019 | close(client_socket); |
| 1020 | } |
| 1021 | |
Evgeniy Stepanov | 0a2cc37 | 2013-05-23 11:10:23 +0000 | [diff] [blame] | 1022 | TEST(MemorySanitizer, gethostbyname2) { |
| 1023 | struct hostent *he = gethostbyname2("localhost", AF_INET); |
| 1024 | ASSERT_NE((void *)NULL, he); |
| 1025 | EXPECT_HOSTENT_NOT_POISONED(he); |
| 1026 | } |
| 1027 | |
| 1028 | TEST(MemorySanitizer, gethostbyaddr) { |
| 1029 | in_addr_t addr = inet_addr("127.0.0.1"); |
| 1030 | EXPECT_NOT_POISONED(addr); |
| 1031 | struct hostent *he = gethostbyaddr(&addr, sizeof(addr), AF_INET); |
| 1032 | ASSERT_NE((void *)NULL, he); |
| 1033 | EXPECT_HOSTENT_NOT_POISONED(he); |
| 1034 | } |
| 1035 | |
| 1036 | TEST(MemorySanitizer, gethostent_r) { |
| 1037 | char buf[2000]; |
| 1038 | struct hostent he; |
| 1039 | struct hostent *result; |
| 1040 | int err; |
| 1041 | int res = gethostent_r(&he, buf, sizeof(buf), &result, &err); |
| 1042 | ASSERT_EQ(0, res); |
| 1043 | EXPECT_NOT_POISONED(result); |
| 1044 | ASSERT_NE((void *)NULL, result); |
| 1045 | EXPECT_HOSTENT_NOT_POISONED(result); |
| 1046 | EXPECT_NOT_POISONED(err); |
| 1047 | } |
| 1048 | |
| 1049 | TEST(MemorySanitizer, gethostbyname_r) { |
| 1050 | char buf[2000]; |
| 1051 | struct hostent he; |
| 1052 | struct hostent *result; |
| 1053 | int err; |
| 1054 | int res = gethostbyname_r("localhost", &he, buf, sizeof(buf), &result, &err); |
| 1055 | ASSERT_EQ(0, res); |
| 1056 | EXPECT_NOT_POISONED(result); |
| 1057 | ASSERT_NE((void *)NULL, result); |
| 1058 | EXPECT_HOSTENT_NOT_POISONED(result); |
| 1059 | EXPECT_NOT_POISONED(err); |
| 1060 | } |
| 1061 | |
| 1062 | TEST(MemorySanitizer, gethostbyname2_r) { |
| 1063 | char buf[2000]; |
| 1064 | struct hostent he; |
| 1065 | struct hostent *result; |
| 1066 | int err; |
| 1067 | int res = gethostbyname2_r("localhost", AF_INET, &he, buf, sizeof(buf), |
| 1068 | &result, &err); |
| 1069 | ASSERT_EQ(0, res); |
| 1070 | EXPECT_NOT_POISONED(result); |
| 1071 | ASSERT_NE((void *)NULL, result); |
| 1072 | EXPECT_HOSTENT_NOT_POISONED(result); |
| 1073 | EXPECT_NOT_POISONED(err); |
| 1074 | } |
| 1075 | |
| 1076 | TEST(MemorySanitizer, gethostbyaddr_r) { |
| 1077 | char buf[2000]; |
| 1078 | struct hostent he; |
| 1079 | struct hostent *result; |
| 1080 | int err; |
| 1081 | in_addr_t addr = inet_addr("127.0.0.1"); |
| 1082 | EXPECT_NOT_POISONED(addr); |
| 1083 | int res = gethostbyaddr_r(&addr, sizeof(addr), AF_INET, &he, buf, sizeof(buf), |
| 1084 | &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 | |
Evgeniy Stepanov | f32be42 | 2013-05-23 11:38:08 +0000 | [diff] [blame] | 1092 | TEST(MemorySanitizer, getsockopt) { |
| 1093 | int sock = socket(AF_UNIX, SOCK_STREAM, 0); |
| 1094 | struct linger l[2]; |
| 1095 | socklen_t sz = sizeof(l[0]); |
| 1096 | int res = getsockopt(sock, SOL_SOCKET, SO_LINGER, &l[0], &sz); |
| 1097 | ASSERT_EQ(0, res); |
| 1098 | ASSERT_EQ(sizeof(l[0]), sz); |
| 1099 | EXPECT_NOT_POISONED(l[0]); |
| 1100 | EXPECT_POISONED(*(char *)(l + 1)); |
| 1101 | } |
| 1102 | |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 1103 | TEST(MemorySanitizer, getcwd) { |
| 1104 | char path[PATH_MAX + 1]; |
| 1105 | char* res = getcwd(path, sizeof(path)); |
| 1106 | assert(res); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 1107 | EXPECT_NOT_POISONED(path[0]); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 1108 | } |
| 1109 | |
Evgeniy Stepanov | 7eed04c | 2013-02-12 14:36:22 +0000 | [diff] [blame] | 1110 | TEST(MemorySanitizer, getcwd_gnu) { |
| 1111 | char* res = getcwd(NULL, 0); |
| 1112 | assert(res); |
| 1113 | EXPECT_NOT_POISONED(res[0]); |
| 1114 | free(res); |
| 1115 | } |
| 1116 | |
Evgeniy Stepanov | 8014489 | 2013-07-02 13:34:44 +0000 | [diff] [blame] | 1117 | TEST(MemorySanitizer, get_current_dir_name) { |
| 1118 | char* res = get_current_dir_name(); |
| 1119 | assert(res); |
| 1120 | EXPECT_NOT_POISONED(res[0]); |
| 1121 | free(res); |
| 1122 | } |
| 1123 | |
Evgeniy Stepanov | 5ec19bc | 2013-07-30 12:46:59 +0000 | [diff] [blame] | 1124 | TEST(MemorySanitizer, confstr) { |
| 1125 | char buf[3]; |
| 1126 | size_t res = confstr(_CS_PATH, buf, sizeof(buf)); |
| 1127 | ASSERT_GT(res, sizeof(buf)); |
| 1128 | EXPECT_NOT_POISONED(buf[0]); |
| 1129 | EXPECT_NOT_POISONED(buf[sizeof(buf) - 1]); |
| 1130 | |
| 1131 | char buf2[1000]; |
| 1132 | res = confstr(_CS_PATH, buf2, sizeof(buf2)); |
| 1133 | ASSERT_LT(res, sizeof(buf2)); |
| 1134 | EXPECT_NOT_POISONED(buf2[0]); |
| 1135 | EXPECT_NOT_POISONED(buf2[res - 1]); |
| 1136 | EXPECT_POISONED(buf2[res]); |
| 1137 | ASSERT_EQ(res, strlen(buf2) + 1); |
| 1138 | } |
| 1139 | |
Evgeniy Stepanov | d97a15a | 2013-03-14 12:49:23 +0000 | [diff] [blame] | 1140 | TEST(MemorySanitizer, readdir) { |
| 1141 | DIR *dir = opendir("."); |
| 1142 | struct dirent *d = readdir(dir); |
| 1143 | assert(d); |
| 1144 | EXPECT_NOT_POISONED(d->d_name[0]); |
| 1145 | closedir(dir); |
| 1146 | } |
| 1147 | |
Evgeniy Stepanov | b5cf98f | 2013-06-26 15:00:53 +0000 | [diff] [blame] | 1148 | TEST(MemorySanitizer, readdir_r) { |
| 1149 | DIR *dir = opendir("."); |
| 1150 | struct dirent d; |
| 1151 | struct dirent *pd; |
| 1152 | int res = readdir_r(dir, &d, &pd); |
| 1153 | assert(!res); |
| 1154 | EXPECT_NOT_POISONED(pd); |
| 1155 | EXPECT_NOT_POISONED(d.d_name[0]); |
| 1156 | closedir(dir); |
| 1157 | } |
| 1158 | |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 1159 | TEST(MemorySanitizer, realpath) { |
| 1160 | const char* relpath = "."; |
| 1161 | char path[PATH_MAX + 1]; |
| 1162 | char* res = realpath(relpath, path); |
| 1163 | assert(res); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 1164 | EXPECT_NOT_POISONED(path[0]); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 1165 | } |
| 1166 | |
Evgeniy Stepanov | 12eb79d | 2013-07-09 09:53:37 +0000 | [diff] [blame] | 1167 | TEST(MemorySanitizer, realpath_null) { |
| 1168 | const char* relpath = "."; |
| 1169 | char* res = realpath(relpath, NULL); |
| 1170 | printf("%d, %s\n", errno, strerror(errno)); |
| 1171 | assert(res); |
| 1172 | EXPECT_NOT_POISONED(res[0]); |
| 1173 | free(res); |
| 1174 | } |
| 1175 | |
| 1176 | TEST(MemorySanitizer, canonicalize_file_name) { |
| 1177 | const char* relpath = "."; |
| 1178 | char* res = canonicalize_file_name(relpath); |
| 1179 | assert(res); |
| 1180 | EXPECT_NOT_POISONED(res[0]); |
| 1181 | free(res); |
| 1182 | } |
| 1183 | |
Evgeniy Stepanov | 534e2ba | 2013-08-01 11:14:14 +0000 | [diff] [blame] | 1184 | extern char **environ; |
| 1185 | |
| 1186 | TEST(MemorySanitizer, setenv) { |
| 1187 | setenv("AAA", "BBB", 1); |
| 1188 | for (char **envp = environ; *envp; ++envp) { |
| 1189 | EXPECT_NOT_POISONED(*envp); |
| 1190 | EXPECT_NOT_POISONED(*envp[0]); |
| 1191 | } |
| 1192 | } |
| 1193 | |
| 1194 | TEST(MemorySanitizer, putenv) { |
| 1195 | char s[] = "AAA=BBB"; |
| 1196 | putenv(s); |
| 1197 | for (char **envp = environ; *envp; ++envp) { |
| 1198 | EXPECT_NOT_POISONED(*envp); |
| 1199 | EXPECT_NOT_POISONED(*envp[0]); |
| 1200 | } |
| 1201 | } |
| 1202 | |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 1203 | TEST(MemorySanitizer, memcpy) { |
| 1204 | char* x = new char[2]; |
| 1205 | char* y = new char[2]; |
| 1206 | x[0] = 1; |
| 1207 | x[1] = *GetPoisoned<char>(); |
| 1208 | memcpy(y, x, 2); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 1209 | EXPECT_NOT_POISONED(y[0]); |
| 1210 | EXPECT_POISONED(y[1]); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 1211 | } |
| 1212 | |
Evgeniy Stepanov | 450eee6 | 2013-10-24 11:56:03 +0000 | [diff] [blame^] | 1213 | void TestUnalignedMemcpy(int left, int right, bool src_is_aligned) { |
| 1214 | const int sz = 20; |
| 1215 | char *dst = (char *)malloc(sz); |
| 1216 | U4 origin = __msan_get_origin(dst); |
| 1217 | |
| 1218 | char *src = (char *)malloc(sz); |
| 1219 | memset(src, 0, sz); |
| 1220 | |
| 1221 | memcpy(dst + left, src_is_aligned ? src + left : src, sz - left - right); |
| 1222 | for (int i = 0; i < left; ++i) |
| 1223 | EXPECT_POISONED_O(dst[i], origin); |
| 1224 | for (int i = 0; i < right; ++i) |
| 1225 | EXPECT_POISONED_O(dst[sz - i - 1], origin); |
| 1226 | EXPECT_NOT_POISONED(dst[left]); |
| 1227 | EXPECT_NOT_POISONED(dst[sz - right - 1]); |
| 1228 | |
| 1229 | free(dst); |
| 1230 | free(src); |
| 1231 | } |
| 1232 | |
| 1233 | TEST(MemorySanitizer, memcpy_unaligned) { |
| 1234 | for (int i = 0; i < 4; ++i) { |
| 1235 | for (int j = 0; j < 4; ++j) { |
| 1236 | TestUnalignedMemcpy(i, j, true); |
| 1237 | TestUnalignedMemcpy(i, j, false); |
| 1238 | } |
| 1239 | } |
| 1240 | } |
| 1241 | |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 1242 | TEST(MemorySanitizer, memmove) { |
| 1243 | char* x = new char[2]; |
| 1244 | char* y = new char[2]; |
| 1245 | x[0] = 1; |
| 1246 | x[1] = *GetPoisoned<char>(); |
| 1247 | memmove(y, x, 2); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 1248 | EXPECT_NOT_POISONED(y[0]); |
| 1249 | EXPECT_POISONED(y[1]); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 1250 | } |
| 1251 | |
Evgeniy Stepanov | ff6c9fb | 2013-07-04 13:19:41 +0000 | [diff] [blame] | 1252 | TEST(MemorySanitizer, bcopy) { |
| 1253 | char* x = new char[2]; |
| 1254 | char* y = new char[2]; |
| 1255 | x[0] = 1; |
| 1256 | x[1] = *GetPoisoned<char>(); |
| 1257 | bcopy(x, y, 2); |
| 1258 | EXPECT_NOT_POISONED(y[0]); |
| 1259 | EXPECT_POISONED(y[1]); |
| 1260 | } |
| 1261 | |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 1262 | TEST(MemorySanitizer, strdup) { |
Evgeniy Stepanov | 8aa1ae0 | 2013-03-14 11:10:36 +0000 | [diff] [blame] | 1263 | char buf[4] = "abc"; |
| 1264 | __msan_poison(buf + 2, sizeof(*buf)); |
| 1265 | char *x = strdup(buf); |
| 1266 | EXPECT_NOT_POISONED(x[0]); |
| 1267 | EXPECT_NOT_POISONED(x[1]); |
| 1268 | EXPECT_POISONED(x[2]); |
| 1269 | EXPECT_NOT_POISONED(x[3]); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 1270 | free(x); |
| 1271 | } |
| 1272 | |
Evgeniy Stepanov | 8aa1ae0 | 2013-03-14 11:10:36 +0000 | [diff] [blame] | 1273 | TEST(MemorySanitizer, strndup) { |
| 1274 | char buf[4] = "abc"; |
| 1275 | __msan_poison(buf + 2, sizeof(*buf)); |
| 1276 | char *x = strndup(buf, 3); |
| 1277 | EXPECT_NOT_POISONED(x[0]); |
| 1278 | EXPECT_NOT_POISONED(x[1]); |
| 1279 | EXPECT_POISONED(x[2]); |
| 1280 | EXPECT_NOT_POISONED(x[3]); |
| 1281 | free(x); |
| 1282 | } |
| 1283 | |
| 1284 | TEST(MemorySanitizer, strndup_short) { |
| 1285 | char buf[4] = "abc"; |
| 1286 | __msan_poison(buf + 1, sizeof(*buf)); |
| 1287 | __msan_poison(buf + 2, sizeof(*buf)); |
| 1288 | char *x = strndup(buf, 2); |
| 1289 | EXPECT_NOT_POISONED(x[0]); |
| 1290 | EXPECT_POISONED(x[1]); |
Evgeniy Stepanov | 1d21bd1 | 2013-03-14 11:58:13 +0000 | [diff] [blame] | 1291 | EXPECT_NOT_POISONED(x[2]); |
Evgeniy Stepanov | 8aa1ae0 | 2013-03-14 11:10:36 +0000 | [diff] [blame] | 1292 | free(x); |
| 1293 | } |
| 1294 | |
| 1295 | |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 1296 | template<class T, int size> |
| 1297 | void TestOverlapMemmove() { |
| 1298 | T *x = new T[size]; |
| 1299 | assert(size >= 3); |
| 1300 | x[2] = 0; |
| 1301 | memmove(x, x + 1, (size - 1) * sizeof(T)); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 1302 | EXPECT_NOT_POISONED(x[1]); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 1303 | if (!__msan_has_dynamic_component()) { |
| 1304 | // FIXME: under DR we will lose this information |
| 1305 | // because accesses in memmove will unpoisin the shadow. |
| 1306 | // We need to use our own memove implementation instead of libc's. |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 1307 | EXPECT_POISONED(x[0]); |
| 1308 | EXPECT_POISONED(x[2]); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 1309 | } |
| 1310 | delete [] x; |
| 1311 | } |
| 1312 | |
| 1313 | TEST(MemorySanitizer, overlap_memmove) { |
| 1314 | TestOverlapMemmove<U1, 10>(); |
| 1315 | TestOverlapMemmove<U1, 1000>(); |
| 1316 | TestOverlapMemmove<U8, 4>(); |
| 1317 | TestOverlapMemmove<U8, 1000>(); |
| 1318 | } |
| 1319 | |
| 1320 | TEST(MemorySanitizer, strcpy) { // NOLINT |
| 1321 | char* x = new char[3]; |
| 1322 | char* y = new char[3]; |
| 1323 | x[0] = 'a'; |
| 1324 | x[1] = *GetPoisoned<char>(1, 1); |
| 1325 | x[2] = 0; |
| 1326 | strcpy(y, x); // NOLINT |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 1327 | EXPECT_NOT_POISONED(y[0]); |
| 1328 | EXPECT_POISONED(y[1]); |
| 1329 | EXPECT_NOT_POISONED(y[2]); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 1330 | } |
| 1331 | |
| 1332 | TEST(MemorySanitizer, strncpy) { // NOLINT |
| 1333 | char* x = new char[3]; |
| 1334 | char* y = new char[3]; |
| 1335 | x[0] = 'a'; |
| 1336 | x[1] = *GetPoisoned<char>(1, 1); |
| 1337 | x[2] = 0; |
| 1338 | strncpy(y, x, 2); // NOLINT |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 1339 | EXPECT_NOT_POISONED(y[0]); |
| 1340 | EXPECT_POISONED(y[1]); |
| 1341 | EXPECT_POISONED(y[2]); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 1342 | } |
| 1343 | |
Evgeniy Stepanov | 4bbbe13 | 2013-07-01 15:19:37 +0000 | [diff] [blame] | 1344 | TEST(MemorySanitizer, stpcpy) { // NOLINT |
| 1345 | char* x = new char[3]; |
| 1346 | char* y = new char[3]; |
| 1347 | x[0] = 'a'; |
| 1348 | x[1] = *GetPoisoned<char>(1, 1); |
| 1349 | x[2] = 0; |
| 1350 | char *res = stpcpy(y, x); // NOLINT |
| 1351 | ASSERT_EQ(res, y + 2); |
| 1352 | EXPECT_NOT_POISONED(y[0]); |
| 1353 | EXPECT_POISONED(y[1]); |
| 1354 | EXPECT_NOT_POISONED(y[2]); |
| 1355 | } |
| 1356 | |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 1357 | TEST(MemorySanitizer, strtol) { |
| 1358 | char *e; |
| 1359 | assert(1 == strtol("1", &e, 10)); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 1360 | EXPECT_NOT_POISONED((S8) e); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 1361 | } |
| 1362 | |
| 1363 | TEST(MemorySanitizer, strtoll) { |
| 1364 | char *e; |
| 1365 | assert(1 == strtoll("1", &e, 10)); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 1366 | EXPECT_NOT_POISONED((S8) e); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 1367 | } |
| 1368 | |
| 1369 | TEST(MemorySanitizer, strtoul) { |
| 1370 | char *e; |
| 1371 | assert(1 == strtoul("1", &e, 10)); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 1372 | EXPECT_NOT_POISONED((S8) e); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 1373 | } |
| 1374 | |
| 1375 | TEST(MemorySanitizer, strtoull) { |
| 1376 | char *e; |
| 1377 | assert(1 == strtoull("1", &e, 10)); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 1378 | EXPECT_NOT_POISONED((S8) e); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 1379 | } |
| 1380 | |
Evgeniy Stepanov | ff6c9fb | 2013-07-04 13:19:41 +0000 | [diff] [blame] | 1381 | TEST(MemorySanitizer, strtoimax) { |
| 1382 | char *e; |
| 1383 | assert(1 == strtoimax("1", &e, 10)); |
| 1384 | EXPECT_NOT_POISONED((S8) e); |
| 1385 | } |
| 1386 | |
| 1387 | TEST(MemorySanitizer, strtoumax) { |
| 1388 | char *e; |
| 1389 | assert(1 == strtoumax("1", &e, 10)); |
| 1390 | EXPECT_NOT_POISONED((S8) e); |
| 1391 | } |
| 1392 | |
Evgeniy Stepanov | e03345b | 2013-01-17 13:42:17 +0000 | [diff] [blame] | 1393 | TEST(MemorySanitizer, strtod) { |
| 1394 | char *e; |
| 1395 | assert(0 != strtod("1.5", &e)); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 1396 | EXPECT_NOT_POISONED((S8) e); |
Evgeniy Stepanov | e03345b | 2013-01-17 13:42:17 +0000 | [diff] [blame] | 1397 | } |
| 1398 | |
Evgeniy Stepanov | 3f4beff | 2013-10-14 11:52:40 +0000 | [diff] [blame] | 1399 | #ifdef __GLIBC__ |
| 1400 | extern "C" double __strtod_l(const char *nptr, char **endptr, locale_t loc); |
| 1401 | TEST(MemorySanitizer, __strtod_l) { |
| 1402 | locale_t loc = newlocale(LC_NUMERIC_MASK, "C", (locale_t)0); |
| 1403 | char *e; |
| 1404 | assert(0 != __strtod_l("1.5", &e, loc)); |
| 1405 | EXPECT_NOT_POISONED((S8) e); |
| 1406 | freelocale(loc); |
| 1407 | } |
| 1408 | #endif // __GLIBC__ |
| 1409 | |
Evgeniy Stepanov | e03345b | 2013-01-17 13:42:17 +0000 | [diff] [blame] | 1410 | TEST(MemorySanitizer, strtof) { |
| 1411 | char *e; |
| 1412 | assert(0 != strtof("1.5", &e)); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 1413 | EXPECT_NOT_POISONED((S8) e); |
Evgeniy Stepanov | e03345b | 2013-01-17 13:42:17 +0000 | [diff] [blame] | 1414 | } |
| 1415 | |
| 1416 | TEST(MemorySanitizer, strtold) { |
| 1417 | char *e; |
| 1418 | assert(0 != strtold("1.5", &e)); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 1419 | EXPECT_NOT_POISONED((S8) e); |
Evgeniy Stepanov | e03345b | 2013-01-17 13:42:17 +0000 | [diff] [blame] | 1420 | } |
| 1421 | |
Evgeniy Stepanov | c87088b | 2013-05-29 10:03:11 +0000 | [diff] [blame] | 1422 | TEST(MemorySanitizer, modf) { |
| 1423 | double x, y; |
| 1424 | x = modf(2.1, &y); |
| 1425 | EXPECT_NOT_POISONED(y); |
| 1426 | } |
| 1427 | |
| 1428 | TEST(MemorySanitizer, modff) { |
| 1429 | float x, y; |
| 1430 | x = modff(2.1, &y); |
| 1431 | EXPECT_NOT_POISONED(y); |
| 1432 | } |
| 1433 | |
| 1434 | TEST(MemorySanitizer, modfl) { |
| 1435 | long double x, y; |
| 1436 | x = modfl(2.1, &y); |
| 1437 | EXPECT_NOT_POISONED(y); |
| 1438 | } |
| 1439 | |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 1440 | TEST(MemorySanitizer, sprintf) { // NOLINT |
| 1441 | char buff[10]; |
Evgeniy Stepanov | 12c4693 | 2013-01-29 14:33:29 +0000 | [diff] [blame] | 1442 | break_optimization(buff); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 1443 | EXPECT_POISONED(buff[0]); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 1444 | int res = sprintf(buff, "%d", 1234567); // NOLINT |
| 1445 | assert(res == 7); |
| 1446 | assert(buff[0] == '1'); |
| 1447 | assert(buff[1] == '2'); |
| 1448 | assert(buff[2] == '3'); |
| 1449 | assert(buff[6] == '7'); |
| 1450 | assert(buff[7] == 0); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 1451 | EXPECT_POISONED(buff[8]); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 1452 | } |
| 1453 | |
| 1454 | TEST(MemorySanitizer, snprintf) { |
| 1455 | char buff[10]; |
Evgeniy Stepanov | 12c4693 | 2013-01-29 14:33:29 +0000 | [diff] [blame] | 1456 | break_optimization(buff); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 1457 | EXPECT_POISONED(buff[0]); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 1458 | int res = snprintf(buff, sizeof(buff), "%d", 1234567); |
| 1459 | assert(res == 7); |
| 1460 | assert(buff[0] == '1'); |
| 1461 | assert(buff[1] == '2'); |
| 1462 | assert(buff[2] == '3'); |
| 1463 | assert(buff[6] == '7'); |
| 1464 | assert(buff[7] == 0); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 1465 | EXPECT_POISONED(buff[8]); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 1466 | } |
| 1467 | |
| 1468 | TEST(MemorySanitizer, swprintf) { |
| 1469 | wchar_t buff[10]; |
| 1470 | assert(sizeof(wchar_t) == 4); |
Evgeniy Stepanov | 12c4693 | 2013-01-29 14:33:29 +0000 | [diff] [blame] | 1471 | break_optimization(buff); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 1472 | EXPECT_POISONED(buff[0]); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 1473 | int res = swprintf(buff, 9, L"%d", 1234567); |
| 1474 | assert(res == 7); |
| 1475 | assert(buff[0] == '1'); |
| 1476 | assert(buff[1] == '2'); |
| 1477 | assert(buff[2] == '3'); |
| 1478 | assert(buff[6] == '7'); |
| 1479 | assert(buff[7] == 0); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 1480 | EXPECT_POISONED(buff[8]); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 1481 | } |
| 1482 | |
Evgeniy Stepanov | 0797ed4 | 2013-06-21 13:32:26 +0000 | [diff] [blame] | 1483 | TEST(MemorySanitizer, asprintf) { // NOLINT |
| 1484 | char *pbuf; |
| 1485 | EXPECT_POISONED(pbuf); |
| 1486 | int res = asprintf(&pbuf, "%d", 1234567); // NOLINT |
| 1487 | assert(res == 7); |
| 1488 | EXPECT_NOT_POISONED(pbuf); |
| 1489 | assert(pbuf[0] == '1'); |
| 1490 | assert(pbuf[1] == '2'); |
| 1491 | assert(pbuf[2] == '3'); |
| 1492 | assert(pbuf[6] == '7'); |
| 1493 | assert(pbuf[7] == 0); |
| 1494 | free(pbuf); |
| 1495 | } |
| 1496 | |
Alexey Samsonov | e43d210 | 2013-07-12 11:59:58 +0000 | [diff] [blame] | 1497 | TEST(MemorySanitizer, mbstowcs) { |
| 1498 | const char *x = "abc"; |
| 1499 | wchar_t buff[10]; |
| 1500 | int res = mbstowcs(buff, x, 2); |
| 1501 | EXPECT_EQ(2, res); |
| 1502 | EXPECT_EQ(L'a', buff[0]); |
| 1503 | EXPECT_EQ(L'b', buff[1]); |
| 1504 | EXPECT_POISONED(buff[2]); |
| 1505 | res = mbstowcs(buff, x, 10); |
| 1506 | EXPECT_EQ(3, res); |
| 1507 | EXPECT_NOT_POISONED(buff[3]); |
| 1508 | } |
| 1509 | |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 1510 | TEST(MemorySanitizer, wcstombs) { |
| 1511 | const wchar_t *x = L"abc"; |
| 1512 | char buff[10]; |
| 1513 | int res = wcstombs(buff, x, 4); |
| 1514 | EXPECT_EQ(res, 3); |
| 1515 | EXPECT_EQ(buff[0], 'a'); |
| 1516 | EXPECT_EQ(buff[1], 'b'); |
| 1517 | EXPECT_EQ(buff[2], 'c'); |
| 1518 | } |
| 1519 | |
Evgeniy Stepanov | ff6c9fb | 2013-07-04 13:19:41 +0000 | [diff] [blame] | 1520 | TEST(MemorySanitizer, wcsrtombs) { |
| 1521 | const wchar_t *x = L"abc"; |
| 1522 | const wchar_t *p = x; |
| 1523 | char buff[10]; |
| 1524 | mbstate_t mbs; |
Evgeniy Stepanov | 57a1095 | 2013-07-10 14:17:46 +0000 | [diff] [blame] | 1525 | memset(&mbs, 0, sizeof(mbs)); |
Evgeniy Stepanov | ff6c9fb | 2013-07-04 13:19:41 +0000 | [diff] [blame] | 1526 | int res = wcsrtombs(buff, &p, 4, &mbs); |
| 1527 | EXPECT_EQ(res, 3); |
| 1528 | EXPECT_EQ(buff[0], 'a'); |
| 1529 | EXPECT_EQ(buff[1], 'b'); |
| 1530 | EXPECT_EQ(buff[2], 'c'); |
Evgeniy Stepanov | 9b21ba6 | 2013-07-10 14:01:51 +0000 | [diff] [blame] | 1531 | EXPECT_EQ(buff[3], '\0'); |
| 1532 | EXPECT_POISONED(buff[4]); |
Evgeniy Stepanov | ff6c9fb | 2013-07-04 13:19:41 +0000 | [diff] [blame] | 1533 | } |
| 1534 | |
| 1535 | TEST(MemorySanitizer, wcsnrtombs) { |
| 1536 | const wchar_t *x = L"abc"; |
| 1537 | const wchar_t *p = x; |
| 1538 | char buff[10]; |
| 1539 | mbstate_t mbs; |
Evgeniy Stepanov | 57a1095 | 2013-07-10 14:17:46 +0000 | [diff] [blame] | 1540 | memset(&mbs, 0, sizeof(mbs)); |
Evgeniy Stepanov | ff6c9fb | 2013-07-04 13:19:41 +0000 | [diff] [blame] | 1541 | int res = wcsnrtombs(buff, &p, 2, 4, &mbs); |
| 1542 | EXPECT_EQ(res, 2); |
| 1543 | EXPECT_EQ(buff[0], 'a'); |
| 1544 | EXPECT_EQ(buff[1], 'b'); |
Evgeniy Stepanov | 9b21ba6 | 2013-07-10 14:01:51 +0000 | [diff] [blame] | 1545 | EXPECT_POISONED(buff[2]); |
Evgeniy Stepanov | ff6c9fb | 2013-07-04 13:19:41 +0000 | [diff] [blame] | 1546 | } |
| 1547 | |
Evgeniy Stepanov | 8014489 | 2013-07-02 13:34:44 +0000 | [diff] [blame] | 1548 | TEST(MemorySanitizer, mbtowc) { |
| 1549 | const char *x = "abc"; |
| 1550 | wchar_t wx; |
| 1551 | int res = mbtowc(&wx, x, 3); |
| 1552 | EXPECT_GT(res, 0); |
| 1553 | EXPECT_NOT_POISONED(wx); |
| 1554 | } |
| 1555 | |
| 1556 | TEST(MemorySanitizer, mbrtowc) { |
| 1557 | const char *x = "abc"; |
| 1558 | wchar_t wx; |
| 1559 | mbstate_t mbs; |
| 1560 | memset(&mbs, 0, sizeof(mbs)); |
| 1561 | int res = mbrtowc(&wx, x, 3, &mbs); |
| 1562 | EXPECT_GT(res, 0); |
| 1563 | EXPECT_NOT_POISONED(wx); |
| 1564 | } |
| 1565 | |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 1566 | TEST(MemorySanitizer, gettimeofday) { |
| 1567 | struct timeval tv; |
| 1568 | struct timezone tz; |
Evgeniy Stepanov | 12c4693 | 2013-01-29 14:33:29 +0000 | [diff] [blame] | 1569 | break_optimization(&tv); |
| 1570 | break_optimization(&tz); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 1571 | assert(sizeof(tv) == 16); |
| 1572 | assert(sizeof(tz) == 8); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 1573 | EXPECT_POISONED(tv.tv_sec); |
| 1574 | EXPECT_POISONED(tv.tv_usec); |
| 1575 | EXPECT_POISONED(tz.tz_minuteswest); |
| 1576 | EXPECT_POISONED(tz.tz_dsttime); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 1577 | assert(0 == gettimeofday(&tv, &tz)); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 1578 | EXPECT_NOT_POISONED(tv.tv_sec); |
| 1579 | EXPECT_NOT_POISONED(tv.tv_usec); |
| 1580 | EXPECT_NOT_POISONED(tz.tz_minuteswest); |
| 1581 | EXPECT_NOT_POISONED(tz.tz_dsttime); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 1582 | } |
| 1583 | |
Evgeniy Stepanov | e4bdda5 | 2013-04-01 14:47:21 +0000 | [diff] [blame] | 1584 | TEST(MemorySanitizer, clock_gettime) { |
| 1585 | struct timespec tp; |
| 1586 | EXPECT_POISONED(tp.tv_sec); |
| 1587 | EXPECT_POISONED(tp.tv_nsec); |
| 1588 | assert(0 == clock_gettime(CLOCK_REALTIME, &tp)); |
| 1589 | EXPECT_NOT_POISONED(tp.tv_sec); |
| 1590 | EXPECT_NOT_POISONED(tp.tv_nsec); |
| 1591 | } |
| 1592 | |
Evgeniy Stepanov | 7cdae16 | 2013-04-23 11:48:31 +0000 | [diff] [blame] | 1593 | TEST(MemorySanitizer, clock_getres) { |
| 1594 | struct timespec tp; |
| 1595 | EXPECT_POISONED(tp.tv_sec); |
| 1596 | EXPECT_POISONED(tp.tv_nsec); |
| 1597 | assert(0 == clock_getres(CLOCK_REALTIME, 0)); |
| 1598 | EXPECT_POISONED(tp.tv_sec); |
| 1599 | EXPECT_POISONED(tp.tv_nsec); |
| 1600 | assert(0 == clock_getres(CLOCK_REALTIME, &tp)); |
| 1601 | EXPECT_NOT_POISONED(tp.tv_sec); |
| 1602 | EXPECT_NOT_POISONED(tp.tv_nsec); |
| 1603 | } |
| 1604 | |
Evgeniy Stepanov | e4bdda5 | 2013-04-01 14:47:21 +0000 | [diff] [blame] | 1605 | TEST(MemorySanitizer, getitimer) { |
| 1606 | struct itimerval it1, it2; |
| 1607 | int res; |
| 1608 | EXPECT_POISONED(it1.it_interval.tv_sec); |
| 1609 | EXPECT_POISONED(it1.it_interval.tv_usec); |
| 1610 | EXPECT_POISONED(it1.it_value.tv_sec); |
| 1611 | EXPECT_POISONED(it1.it_value.tv_usec); |
| 1612 | res = getitimer(ITIMER_VIRTUAL, &it1); |
| 1613 | assert(!res); |
| 1614 | EXPECT_NOT_POISONED(it1.it_interval.tv_sec); |
| 1615 | EXPECT_NOT_POISONED(it1.it_interval.tv_usec); |
| 1616 | EXPECT_NOT_POISONED(it1.it_value.tv_sec); |
| 1617 | EXPECT_NOT_POISONED(it1.it_value.tv_usec); |
| 1618 | |
| 1619 | it1.it_interval.tv_sec = it1.it_value.tv_sec = 10000; |
| 1620 | it1.it_interval.tv_usec = it1.it_value.tv_usec = 0; |
| 1621 | |
| 1622 | res = setitimer(ITIMER_VIRTUAL, &it1, &it2); |
| 1623 | assert(!res); |
| 1624 | EXPECT_NOT_POISONED(it2.it_interval.tv_sec); |
| 1625 | EXPECT_NOT_POISONED(it2.it_interval.tv_usec); |
| 1626 | EXPECT_NOT_POISONED(it2.it_value.tv_sec); |
| 1627 | EXPECT_NOT_POISONED(it2.it_value.tv_usec); |
| 1628 | |
| 1629 | // Check that old_value can be 0, and disable the timer. |
| 1630 | memset(&it1, 0, sizeof(it1)); |
| 1631 | res = setitimer(ITIMER_VIRTUAL, &it1, 0); |
| 1632 | assert(!res); |
| 1633 | } |
| 1634 | |
Evgeniy Stepanov | 39d68ed | 2013-08-06 09:54:33 +0000 | [diff] [blame] | 1635 | TEST(MemorySanitizer, setitimer_null) { |
| 1636 | setitimer(ITIMER_VIRTUAL, 0, 0); |
| 1637 | // Not testing the return value, since it the behaviour seems to differ |
| 1638 | // between libc implementations and POSIX. |
| 1639 | // Should never crash, though. |
| 1640 | } |
| 1641 | |
Evgeniy Stepanov | fef6605 | 2013-04-08 08:25:22 +0000 | [diff] [blame] | 1642 | TEST(MemorySanitizer, time) { |
| 1643 | time_t t; |
| 1644 | EXPECT_POISONED(t); |
| 1645 | time_t t2 = time(&t); |
| 1646 | assert(t2 != (time_t)-1); |
| 1647 | EXPECT_NOT_POISONED(t); |
| 1648 | } |
| 1649 | |
Evgeniy Stepanov | 9358c58 | 2013-02-19 09:19:16 +0000 | [diff] [blame] | 1650 | TEST(MemorySanitizer, localtime) { |
| 1651 | time_t t = 123; |
| 1652 | struct tm *time = localtime(&t); |
| 1653 | assert(time != 0); |
| 1654 | EXPECT_NOT_POISONED(time->tm_sec); |
| 1655 | EXPECT_NOT_POISONED(time->tm_hour); |
| 1656 | EXPECT_NOT_POISONED(time->tm_year); |
| 1657 | EXPECT_NOT_POISONED(time->tm_isdst); |
Evgeniy Stepanov | cf39032 | 2013-10-02 14:30:03 +0000 | [diff] [blame] | 1658 | EXPECT_NE(0, strlen(time->tm_zone)); |
Evgeniy Stepanov | 9358c58 | 2013-02-19 09:19:16 +0000 | [diff] [blame] | 1659 | } |
| 1660 | |
| 1661 | TEST(MemorySanitizer, localtime_r) { |
| 1662 | time_t t = 123; |
| 1663 | struct tm time; |
| 1664 | struct tm *res = localtime_r(&t, &time); |
| 1665 | assert(res != 0); |
| 1666 | EXPECT_NOT_POISONED(time.tm_sec); |
| 1667 | EXPECT_NOT_POISONED(time.tm_hour); |
| 1668 | EXPECT_NOT_POISONED(time.tm_year); |
| 1669 | EXPECT_NOT_POISONED(time.tm_isdst); |
Evgeniy Stepanov | cf39032 | 2013-10-02 14:30:03 +0000 | [diff] [blame] | 1670 | EXPECT_NE(0, strlen(time.tm_zone)); |
Evgeniy Stepanov | 9358c58 | 2013-02-19 09:19:16 +0000 | [diff] [blame] | 1671 | } |
| 1672 | |
Evgeniy Stepanov | 4d7297d | 2013-10-18 09:41:43 +0000 | [diff] [blame] | 1673 | TEST(MemorySanitizer, getmntent) { |
| 1674 | FILE *fp = setmntent("/etc/fstab", "r"); |
| 1675 | struct mntent *mnt = getmntent(fp); |
| 1676 | ASSERT_NE((void *)0, mnt); |
| 1677 | ASSERT_NE(0, strlen(mnt->mnt_fsname)); |
| 1678 | ASSERT_NE(0, strlen(mnt->mnt_dir)); |
| 1679 | ASSERT_NE(0, strlen(mnt->mnt_type)); |
| 1680 | ASSERT_NE(0, strlen(mnt->mnt_opts)); |
| 1681 | EXPECT_NOT_POISONED(mnt->mnt_freq); |
| 1682 | EXPECT_NOT_POISONED(mnt->mnt_passno); |
| 1683 | fclose(fp); |
| 1684 | } |
| 1685 | |
| 1686 | TEST(MemorySanitizer, getmntent_r) { |
| 1687 | FILE *fp = setmntent("/etc/fstab", "r"); |
| 1688 | struct mntent mntbuf; |
| 1689 | char buf[1000]; |
| 1690 | struct mntent *mnt = getmntent_r(fp, &mntbuf, buf, sizeof(buf)); |
| 1691 | ASSERT_NE((void *)0, mnt); |
| 1692 | ASSERT_NE(0, strlen(mnt->mnt_fsname)); |
| 1693 | ASSERT_NE(0, strlen(mnt->mnt_dir)); |
| 1694 | ASSERT_NE(0, strlen(mnt->mnt_type)); |
| 1695 | ASSERT_NE(0, strlen(mnt->mnt_opts)); |
| 1696 | EXPECT_NOT_POISONED(mnt->mnt_freq); |
| 1697 | EXPECT_NOT_POISONED(mnt->mnt_passno); |
| 1698 | fclose(fp); |
| 1699 | } |
| 1700 | |
Evgeniy Stepanov | 369a9a6 | 2013-10-23 13:57:47 +0000 | [diff] [blame] | 1701 | TEST(MemorySanitizer, ether) { |
| 1702 | const char *asc = "11:22:33:44:55:66"; |
| 1703 | struct ether_addr *paddr = ether_aton(asc); |
| 1704 | EXPECT_NOT_POISONED(*paddr); |
| 1705 | |
| 1706 | struct ether_addr addr; |
| 1707 | paddr = ether_aton_r(asc, &addr); |
| 1708 | ASSERT_EQ(paddr, &addr); |
| 1709 | EXPECT_NOT_POISONED(addr); |
| 1710 | |
| 1711 | char *s = ether_ntoa(&addr); |
| 1712 | ASSERT_NE(0, strlen(s)); |
| 1713 | |
| 1714 | char buf[100]; |
| 1715 | s = ether_ntoa_r(&addr, buf); |
| 1716 | ASSERT_EQ(s, buf); |
| 1717 | ASSERT_NE(0, strlen(buf)); |
| 1718 | } |
| 1719 | |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 1720 | TEST(MemorySanitizer, mmap) { |
| 1721 | const int size = 4096; |
| 1722 | void *p1, *p2; |
| 1723 | p1 = mmap(0, size, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANON, -1, 0); |
| 1724 | __msan_poison(p1, size); |
| 1725 | munmap(p1, size); |
| 1726 | for (int i = 0; i < 1000; i++) { |
| 1727 | p2 = mmap(0, size, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANON, -1, 0); |
| 1728 | if (p2 == p1) |
| 1729 | break; |
| 1730 | else |
| 1731 | munmap(p2, size); |
| 1732 | } |
| 1733 | if (p1 == p2) { |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 1734 | EXPECT_NOT_POISONED(*(char*)p2); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 1735 | munmap(p2, size); |
| 1736 | } |
| 1737 | } |
| 1738 | |
| 1739 | // FIXME: enable and add ecvt. |
| 1740 | // FIXME: check why msandr does nt handle fcvt. |
| 1741 | TEST(MemorySanitizer, fcvt) { |
| 1742 | int a, b; |
Evgeniy Stepanov | 12c4693 | 2013-01-29 14:33:29 +0000 | [diff] [blame] | 1743 | break_optimization(&a); |
| 1744 | break_optimization(&b); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 1745 | EXPECT_POISONED(a); |
| 1746 | EXPECT_POISONED(b); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 1747 | char *str = fcvt(12345.6789, 10, &a, &b); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 1748 | EXPECT_NOT_POISONED(a); |
| 1749 | EXPECT_NOT_POISONED(b); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 1750 | } |
| 1751 | |
Evgeniy Stepanov | 7cbbb29 | 2013-03-14 11:34:39 +0000 | [diff] [blame] | 1752 | TEST(MemorySanitizer, frexp) { |
| 1753 | int x; |
| 1754 | x = *GetPoisoned<int>(); |
| 1755 | double r = frexp(1.1, &x); |
| 1756 | EXPECT_NOT_POISONED(r); |
| 1757 | EXPECT_NOT_POISONED(x); |
| 1758 | |
| 1759 | x = *GetPoisoned<int>(); |
| 1760 | float rf = frexpf(1.1, &x); |
| 1761 | EXPECT_NOT_POISONED(rf); |
| 1762 | EXPECT_NOT_POISONED(x); |
| 1763 | |
| 1764 | x = *GetPoisoned<int>(); |
| 1765 | double rl = frexpl(1.1, &x); |
| 1766 | EXPECT_NOT_POISONED(rl); |
| 1767 | EXPECT_NOT_POISONED(x); |
| 1768 | } |
| 1769 | |
Evgeniy Stepanov | 06658ea | 2013-04-04 08:22:52 +0000 | [diff] [blame] | 1770 | namespace { |
| 1771 | |
| 1772 | static int cnt; |
| 1773 | |
| 1774 | void SigactionHandler(int signo, siginfo_t* si, void* uc) { |
| 1775 | assert(signo == SIGPROF); |
| 1776 | assert(si); |
| 1777 | EXPECT_NOT_POISONED(si->si_errno); |
| 1778 | EXPECT_NOT_POISONED(si->si_pid); |
| 1779 | #if __linux__ |
| 1780 | # if defined(__x86_64__) |
| 1781 | EXPECT_NOT_POISONED(((ucontext_t*)uc)->uc_mcontext.gregs[REG_RIP]); |
| 1782 | # elif defined(__i386__) |
| 1783 | EXPECT_NOT_POISONED(((ucontext_t*)uc)->uc_mcontext.gregs[REG_EIP]); |
| 1784 | # endif |
| 1785 | #endif |
| 1786 | ++cnt; |
| 1787 | } |
| 1788 | |
| 1789 | TEST(MemorySanitizer, sigaction) { |
| 1790 | struct sigaction act = {}; |
Evgeniy Stepanov | cd3049d | 2013-04-05 12:58:07 +0000 | [diff] [blame] | 1791 | struct sigaction oldact = {}; |
Evgeniy Stepanov | 6d0b7f6 | 2013-04-15 13:35:05 +0000 | [diff] [blame] | 1792 | struct sigaction origact = {}; |
| 1793 | |
| 1794 | sigaction(SIGPROF, 0, &origact); |
| 1795 | |
Evgeniy Stepanov | 06658ea | 2013-04-04 08:22:52 +0000 | [diff] [blame] | 1796 | act.sa_flags |= SA_SIGINFO; |
| 1797 | act.sa_sigaction = &SigactionHandler; |
| 1798 | sigaction(SIGPROF, &act, 0); |
| 1799 | |
| 1800 | kill(getpid(), SIGPROF); |
| 1801 | |
| 1802 | act.sa_flags &= ~SA_SIGINFO; |
| 1803 | act.sa_handler = SIG_DFL; |
| 1804 | sigaction(SIGPROF, &act, 0); |
| 1805 | |
| 1806 | act.sa_flags &= ~SA_SIGINFO; |
| 1807 | act.sa_handler = SIG_IGN; |
Evgeniy Stepanov | cd3049d | 2013-04-05 12:58:07 +0000 | [diff] [blame] | 1808 | sigaction(SIGPROF, &act, &oldact); |
| 1809 | EXPECT_FALSE(oldact.sa_flags & SA_SIGINFO); |
| 1810 | EXPECT_EQ(SIG_DFL, oldact.sa_handler); |
Evgeniy Stepanov | 06658ea | 2013-04-04 08:22:52 +0000 | [diff] [blame] | 1811 | kill(getpid(), SIGPROF); |
| 1812 | |
| 1813 | act.sa_flags |= SA_SIGINFO; |
| 1814 | act.sa_sigaction = &SigactionHandler; |
Evgeniy Stepanov | cd3049d | 2013-04-05 12:58:07 +0000 | [diff] [blame] | 1815 | sigaction(SIGPROF, &act, &oldact); |
| 1816 | EXPECT_FALSE(oldact.sa_flags & SA_SIGINFO); |
| 1817 | EXPECT_EQ(SIG_IGN, oldact.sa_handler); |
Evgeniy Stepanov | 06658ea | 2013-04-04 08:22:52 +0000 | [diff] [blame] | 1818 | kill(getpid(), SIGPROF); |
| 1819 | |
| 1820 | act.sa_flags &= ~SA_SIGINFO; |
| 1821 | act.sa_handler = SIG_DFL; |
Evgeniy Stepanov | cd3049d | 2013-04-05 12:58:07 +0000 | [diff] [blame] | 1822 | sigaction(SIGPROF, &act, &oldact); |
| 1823 | EXPECT_TRUE(oldact.sa_flags & SA_SIGINFO); |
| 1824 | EXPECT_EQ(&SigactionHandler, oldact.sa_sigaction); |
Evgeniy Stepanov | 06658ea | 2013-04-04 08:22:52 +0000 | [diff] [blame] | 1825 | EXPECT_EQ(2, cnt); |
Evgeniy Stepanov | 6d0b7f6 | 2013-04-15 13:35:05 +0000 | [diff] [blame] | 1826 | |
| 1827 | sigaction(SIGPROF, &origact, 0); |
Evgeniy Stepanov | 06658ea | 2013-04-04 08:22:52 +0000 | [diff] [blame] | 1828 | } |
| 1829 | |
| 1830 | } // namespace |
| 1831 | |
Evgeniy Stepanov | 9a949a8 | 2013-09-25 14:47:43 +0000 | [diff] [blame] | 1832 | |
| 1833 | TEST(MemorySanitizer, sigemptyset) { |
| 1834 | sigset_t s; |
| 1835 | EXPECT_POISONED(s); |
| 1836 | int res = sigemptyset(&s); |
| 1837 | ASSERT_EQ(0, res); |
| 1838 | EXPECT_NOT_POISONED(s); |
| 1839 | } |
| 1840 | |
| 1841 | TEST(MemorySanitizer, sigfillset) { |
| 1842 | sigset_t s; |
| 1843 | EXPECT_POISONED(s); |
| 1844 | int res = sigfillset(&s); |
| 1845 | ASSERT_EQ(0, res); |
| 1846 | EXPECT_NOT_POISONED(s); |
| 1847 | } |
| 1848 | |
| 1849 | TEST(MemorySanitizer, sigpending) { |
| 1850 | sigset_t s; |
| 1851 | EXPECT_POISONED(s); |
| 1852 | int res = sigpending(&s); |
| 1853 | ASSERT_EQ(0, res); |
| 1854 | EXPECT_NOT_POISONED(s); |
| 1855 | } |
| 1856 | |
| 1857 | TEST(MemorySanitizer, sigprocmask) { |
| 1858 | sigset_t s; |
| 1859 | EXPECT_POISONED(s); |
| 1860 | int res = sigprocmask(SIG_BLOCK, 0, &s); |
| 1861 | ASSERT_EQ(0, res); |
| 1862 | EXPECT_NOT_POISONED(s); |
| 1863 | } |
| 1864 | |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 1865 | struct StructWithDtor { |
| 1866 | ~StructWithDtor(); |
| 1867 | }; |
| 1868 | |
| 1869 | NOINLINE StructWithDtor::~StructWithDtor() { |
Evgeniy Stepanov | 12c4693 | 2013-01-29 14:33:29 +0000 | [diff] [blame] | 1870 | break_optimization(0); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 1871 | } |
| 1872 | |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 1873 | TEST(MemorySanitizer, Invoke) { |
| 1874 | StructWithDtor s; // Will cause the calls to become invokes. |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 1875 | EXPECT_NOT_POISONED(0); |
| 1876 | EXPECT_POISONED(*GetPoisoned<int>()); |
| 1877 | EXPECT_NOT_POISONED(0); |
| 1878 | EXPECT_POISONED(*GetPoisoned<int>()); |
| 1879 | EXPECT_POISONED(ReturnPoisoned<S4>()); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 1880 | } |
| 1881 | |
| 1882 | TEST(MemorySanitizer, ptrtoint) { |
| 1883 | // Test that shadow is propagated through pointer-to-integer conversion. |
| 1884 | void* p = (void*)0xABCD; |
| 1885 | __msan_poison(((char*)&p) + 1, sizeof(p)); |
Evgeniy Stepanov | 250f221 | 2013-01-30 13:12:08 +0000 | [diff] [blame] | 1886 | EXPECT_NOT_POISONED((((uintptr_t)p) & 0xFF) == 0); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 1887 | |
| 1888 | void* q = (void*)0xABCD; |
| 1889 | __msan_poison(&q, sizeof(q) - 1); |
Evgeniy Stepanov | 250f221 | 2013-01-30 13:12:08 +0000 | [diff] [blame] | 1890 | EXPECT_POISONED((((uintptr_t)q) & 0xFF) == 0); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 1891 | } |
| 1892 | |
| 1893 | static void vaargsfn2(int guard, ...) { |
| 1894 | va_list vl; |
| 1895 | va_start(vl, guard); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 1896 | EXPECT_NOT_POISONED(va_arg(vl, int)); |
| 1897 | EXPECT_NOT_POISONED(va_arg(vl, int)); |
| 1898 | EXPECT_NOT_POISONED(va_arg(vl, int)); |
| 1899 | EXPECT_POISONED(va_arg(vl, double)); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 1900 | va_end(vl); |
| 1901 | } |
| 1902 | |
| 1903 | static void vaargsfn(int guard, ...) { |
| 1904 | va_list vl; |
| 1905 | va_start(vl, guard); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 1906 | EXPECT_NOT_POISONED(va_arg(vl, int)); |
| 1907 | EXPECT_POISONED(va_arg(vl, int)); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 1908 | // The following call will overwrite __msan_param_tls. |
| 1909 | // Checks after it test that arg shadow was somehow saved across the call. |
| 1910 | vaargsfn2(1, 2, 3, 4, *GetPoisoned<double>()); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 1911 | EXPECT_NOT_POISONED(va_arg(vl, int)); |
| 1912 | EXPECT_POISONED(va_arg(vl, int)); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 1913 | va_end(vl); |
| 1914 | } |
| 1915 | |
| 1916 | TEST(MemorySanitizer, VAArgTest) { |
| 1917 | int* x = GetPoisoned<int>(); |
| 1918 | int* y = GetPoisoned<int>(4); |
| 1919 | vaargsfn(1, 13, *x, 42, *y); |
| 1920 | } |
| 1921 | |
| 1922 | static void vaargsfn_many(int guard, ...) { |
| 1923 | va_list vl; |
| 1924 | va_start(vl, guard); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 1925 | EXPECT_NOT_POISONED(va_arg(vl, int)); |
| 1926 | EXPECT_POISONED(va_arg(vl, int)); |
| 1927 | EXPECT_NOT_POISONED(va_arg(vl, int)); |
| 1928 | EXPECT_NOT_POISONED(va_arg(vl, int)); |
| 1929 | EXPECT_NOT_POISONED(va_arg(vl, int)); |
| 1930 | EXPECT_NOT_POISONED(va_arg(vl, int)); |
| 1931 | EXPECT_NOT_POISONED(va_arg(vl, int)); |
| 1932 | EXPECT_NOT_POISONED(va_arg(vl, int)); |
| 1933 | EXPECT_NOT_POISONED(va_arg(vl, int)); |
| 1934 | EXPECT_POISONED(va_arg(vl, int)); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 1935 | va_end(vl); |
| 1936 | } |
| 1937 | |
| 1938 | TEST(MemorySanitizer, VAArgManyTest) { |
| 1939 | int* x = GetPoisoned<int>(); |
| 1940 | int* y = GetPoisoned<int>(4); |
| 1941 | vaargsfn_many(1, 2, *x, 3, 4, 5, 6, 7, 8, 9, *y); |
| 1942 | } |
| 1943 | |
| 1944 | static void vaargsfn_pass2(va_list vl) { |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 1945 | EXPECT_NOT_POISONED(va_arg(vl, int)); |
| 1946 | EXPECT_NOT_POISONED(va_arg(vl, int)); |
| 1947 | EXPECT_POISONED(va_arg(vl, int)); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 1948 | } |
| 1949 | |
| 1950 | static void vaargsfn_pass(int guard, ...) { |
| 1951 | va_list vl; |
| 1952 | va_start(vl, guard); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 1953 | EXPECT_POISONED(va_arg(vl, int)); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 1954 | vaargsfn_pass2(vl); |
| 1955 | va_end(vl); |
| 1956 | } |
| 1957 | |
| 1958 | TEST(MemorySanitizer, VAArgPass) { |
| 1959 | int* x = GetPoisoned<int>(); |
| 1960 | int* y = GetPoisoned<int>(4); |
| 1961 | vaargsfn_pass(1, *x, 2, 3, *y); |
| 1962 | } |
| 1963 | |
| 1964 | static void vaargsfn_copy2(va_list vl) { |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 1965 | EXPECT_NOT_POISONED(va_arg(vl, int)); |
| 1966 | EXPECT_POISONED(va_arg(vl, int)); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 1967 | } |
| 1968 | |
| 1969 | static void vaargsfn_copy(int guard, ...) { |
| 1970 | va_list vl; |
| 1971 | va_start(vl, guard); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 1972 | EXPECT_NOT_POISONED(va_arg(vl, int)); |
| 1973 | EXPECT_POISONED(va_arg(vl, int)); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 1974 | va_list vl2; |
| 1975 | va_copy(vl2, vl); |
| 1976 | vaargsfn_copy2(vl2); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 1977 | EXPECT_NOT_POISONED(va_arg(vl, int)); |
| 1978 | EXPECT_POISONED(va_arg(vl, int)); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 1979 | va_end(vl); |
| 1980 | } |
| 1981 | |
| 1982 | TEST(MemorySanitizer, VAArgCopy) { |
| 1983 | int* x = GetPoisoned<int>(); |
| 1984 | int* y = GetPoisoned<int>(4); |
| 1985 | vaargsfn_copy(1, 2, *x, 3, *y); |
| 1986 | } |
| 1987 | |
| 1988 | static void vaargsfn_ptr(int guard, ...) { |
| 1989 | va_list vl; |
| 1990 | va_start(vl, guard); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 1991 | EXPECT_NOT_POISONED(va_arg(vl, int*)); |
| 1992 | EXPECT_POISONED(va_arg(vl, int*)); |
| 1993 | EXPECT_NOT_POISONED(va_arg(vl, int*)); |
| 1994 | EXPECT_POISONED(va_arg(vl, double*)); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 1995 | va_end(vl); |
| 1996 | } |
| 1997 | |
| 1998 | TEST(MemorySanitizer, VAArgPtr) { |
| 1999 | int** x = GetPoisoned<int*>(); |
| 2000 | double** y = GetPoisoned<double*>(8); |
| 2001 | int z; |
| 2002 | vaargsfn_ptr(1, &z, *x, &z, *y); |
| 2003 | } |
| 2004 | |
| 2005 | static void vaargsfn_overflow(int guard, ...) { |
| 2006 | va_list vl; |
| 2007 | va_start(vl, guard); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 2008 | EXPECT_NOT_POISONED(va_arg(vl, int)); |
| 2009 | EXPECT_NOT_POISONED(va_arg(vl, int)); |
| 2010 | EXPECT_POISONED(va_arg(vl, int)); |
| 2011 | EXPECT_NOT_POISONED(va_arg(vl, int)); |
| 2012 | EXPECT_NOT_POISONED(va_arg(vl, int)); |
| 2013 | EXPECT_NOT_POISONED(va_arg(vl, int)); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 2014 | |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 2015 | EXPECT_NOT_POISONED(va_arg(vl, double)); |
| 2016 | EXPECT_NOT_POISONED(va_arg(vl, double)); |
| 2017 | EXPECT_NOT_POISONED(va_arg(vl, double)); |
| 2018 | EXPECT_POISONED(va_arg(vl, double)); |
| 2019 | EXPECT_NOT_POISONED(va_arg(vl, double)); |
| 2020 | EXPECT_POISONED(va_arg(vl, int*)); |
| 2021 | EXPECT_NOT_POISONED(va_arg(vl, double)); |
| 2022 | EXPECT_NOT_POISONED(va_arg(vl, double)); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 2023 | |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 2024 | EXPECT_POISONED(va_arg(vl, int)); |
| 2025 | EXPECT_POISONED(va_arg(vl, double)); |
| 2026 | EXPECT_POISONED(va_arg(vl, int*)); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 2027 | |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 2028 | EXPECT_NOT_POISONED(va_arg(vl, int)); |
| 2029 | EXPECT_NOT_POISONED(va_arg(vl, double)); |
| 2030 | EXPECT_NOT_POISONED(va_arg(vl, int*)); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 2031 | |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 2032 | EXPECT_POISONED(va_arg(vl, int)); |
| 2033 | EXPECT_POISONED(va_arg(vl, double)); |
| 2034 | EXPECT_POISONED(va_arg(vl, int*)); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 2035 | |
| 2036 | va_end(vl); |
| 2037 | } |
| 2038 | |
| 2039 | TEST(MemorySanitizer, VAArgOverflow) { |
| 2040 | int* x = GetPoisoned<int>(); |
| 2041 | double* y = GetPoisoned<double>(8); |
| 2042 | int** p = GetPoisoned<int*>(16); |
| 2043 | int z; |
| 2044 | vaargsfn_overflow(1, |
| 2045 | 1, 2, *x, 4, 5, 6, |
| 2046 | 1.1, 2.2, 3.3, *y, 5.5, *p, 7.7, 8.8, |
| 2047 | // the following args will overflow for sure |
| 2048 | *x, *y, *p, |
| 2049 | 7, 9.9, &z, |
| 2050 | *x, *y, *p); |
| 2051 | } |
| 2052 | |
| 2053 | static void vaargsfn_tlsoverwrite2(int guard, ...) { |
| 2054 | va_list vl; |
| 2055 | va_start(vl, guard); |
Evgeniy Stepanov | 3c531df | 2013-08-23 12:13:18 +0000 | [diff] [blame] | 2056 | for (int i = 0; i < 20; ++i) |
| 2057 | EXPECT_NOT_POISONED(va_arg(vl, int)); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 2058 | va_end(vl); |
| 2059 | } |
| 2060 | |
| 2061 | static void vaargsfn_tlsoverwrite(int guard, ...) { |
| 2062 | // This call will overwrite TLS contents unless it's backed up somewhere. |
Evgeniy Stepanov | 3c531df | 2013-08-23 12:13:18 +0000 | [diff] [blame] | 2063 | vaargsfn_tlsoverwrite2(2, |
| 2064 | 42, 42, 42, 42, 42, |
| 2065 | 42, 42, 42, 42, 42, |
| 2066 | 42, 42, 42, 42, 42, |
| 2067 | 42, 42, 42, 42, 42); // 20x |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 2068 | va_list vl; |
| 2069 | va_start(vl, guard); |
Evgeniy Stepanov | 3c531df | 2013-08-23 12:13:18 +0000 | [diff] [blame] | 2070 | for (int i = 0; i < 20; ++i) |
| 2071 | EXPECT_POISONED(va_arg(vl, int)); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 2072 | va_end(vl); |
| 2073 | } |
| 2074 | |
| 2075 | TEST(MemorySanitizer, VAArgTLSOverwrite) { |
| 2076 | int* x = GetPoisoned<int>(); |
Evgeniy Stepanov | 3c531df | 2013-08-23 12:13:18 +0000 | [diff] [blame] | 2077 | vaargsfn_tlsoverwrite(1, |
| 2078 | *x, *x, *x, *x, *x, |
| 2079 | *x, *x, *x, *x, *x, |
| 2080 | *x, *x, *x, *x, *x, |
| 2081 | *x, *x, *x, *x, *x); // 20x |
| 2082 | |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 2083 | } |
| 2084 | |
| 2085 | struct StructByVal { |
| 2086 | int a, b, c, d, e, f; |
| 2087 | }; |
| 2088 | |
| 2089 | NOINLINE void StructByValTestFunc(struct StructByVal s) { |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 2090 | EXPECT_NOT_POISONED(s.a); |
| 2091 | EXPECT_POISONED(s.b); |
| 2092 | EXPECT_NOT_POISONED(s.c); |
| 2093 | EXPECT_POISONED(s.d); |
| 2094 | EXPECT_NOT_POISONED(s.e); |
| 2095 | EXPECT_POISONED(s.f); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 2096 | } |
| 2097 | |
| 2098 | NOINLINE void StructByValTestFunc1(struct StructByVal s) { |
| 2099 | StructByValTestFunc(s); |
| 2100 | } |
| 2101 | |
| 2102 | NOINLINE void StructByValTestFunc2(int z, struct StructByVal s) { |
| 2103 | StructByValTestFunc(s); |
| 2104 | } |
| 2105 | |
| 2106 | TEST(MemorySanitizer, StructByVal) { |
| 2107 | // Large aggregates are passed as "byval" pointer argument in LLVM. |
| 2108 | struct StructByVal s; |
| 2109 | s.a = 1; |
| 2110 | s.b = *GetPoisoned<int>(); |
| 2111 | s.c = 2; |
| 2112 | s.d = *GetPoisoned<int>(); |
| 2113 | s.e = 3; |
| 2114 | s.f = *GetPoisoned<int>(); |
| 2115 | StructByValTestFunc(s); |
| 2116 | StructByValTestFunc1(s); |
| 2117 | StructByValTestFunc2(0, s); |
| 2118 | } |
| 2119 | |
| 2120 | |
| 2121 | #if MSAN_HAS_M128 |
Evgeniy Stepanov | b921bf2 | 2013-04-16 14:09:47 +0000 | [diff] [blame] | 2122 | NOINLINE __m128i m128Eq(__m128i *a, __m128i *b) { return _mm_cmpeq_epi16(*a, *b); } |
| 2123 | 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] | 2124 | TEST(MemorySanitizer, m128) { |
| 2125 | __m128i a = _mm_set1_epi16(0x1234); |
| 2126 | __m128i b = _mm_set1_epi16(0x7890); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 2127 | EXPECT_NOT_POISONED(m128Eq(&a, &b)); |
| 2128 | EXPECT_NOT_POISONED(m128Lt(&a, &b)); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 2129 | } |
| 2130 | // FIXME: add more tests for __m128i. |
| 2131 | #endif // MSAN_HAS_M128 |
| 2132 | |
| 2133 | // We should not complain when copying this poisoned hole. |
| 2134 | struct StructWithHole { |
| 2135 | U4 a; |
| 2136 | // 4-byte hole. |
| 2137 | U8 b; |
| 2138 | }; |
| 2139 | |
| 2140 | NOINLINE StructWithHole ReturnStructWithHole() { |
| 2141 | StructWithHole res; |
| 2142 | __msan_poison(&res, sizeof(res)); |
| 2143 | res.a = 1; |
| 2144 | res.b = 2; |
| 2145 | return res; |
| 2146 | } |
| 2147 | |
| 2148 | TEST(MemorySanitizer, StructWithHole) { |
| 2149 | StructWithHole a = ReturnStructWithHole(); |
Evgeniy Stepanov | 12c4693 | 2013-01-29 14:33:29 +0000 | [diff] [blame] | 2150 | break_optimization(&a); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 2151 | } |
| 2152 | |
| 2153 | template <class T> |
| 2154 | NOINLINE T ReturnStruct() { |
| 2155 | T res; |
| 2156 | __msan_poison(&res, sizeof(res)); |
| 2157 | res.a = 1; |
| 2158 | return res; |
| 2159 | } |
| 2160 | |
| 2161 | template <class T> |
| 2162 | NOINLINE void TestReturnStruct() { |
| 2163 | T s1 = ReturnStruct<T>(); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 2164 | EXPECT_NOT_POISONED(s1.a); |
| 2165 | EXPECT_POISONED(s1.b); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 2166 | } |
| 2167 | |
| 2168 | struct SSS1 { |
| 2169 | int a, b, c; |
| 2170 | }; |
| 2171 | struct SSS2 { |
| 2172 | int b, a, c; |
| 2173 | }; |
| 2174 | struct SSS3 { |
| 2175 | int b, c, a; |
| 2176 | }; |
| 2177 | struct SSS4 { |
| 2178 | int c, b, a; |
| 2179 | }; |
| 2180 | |
| 2181 | struct SSS5 { |
| 2182 | int a; |
| 2183 | float b; |
| 2184 | }; |
| 2185 | struct SSS6 { |
| 2186 | int a; |
| 2187 | double b; |
| 2188 | }; |
| 2189 | struct SSS7 { |
| 2190 | S8 b; |
| 2191 | int a; |
| 2192 | }; |
| 2193 | struct SSS8 { |
| 2194 | S2 b; |
| 2195 | S8 a; |
| 2196 | }; |
| 2197 | |
| 2198 | TEST(MemorySanitizer, IntStruct3) { |
| 2199 | TestReturnStruct<SSS1>(); |
| 2200 | TestReturnStruct<SSS2>(); |
| 2201 | TestReturnStruct<SSS3>(); |
| 2202 | TestReturnStruct<SSS4>(); |
| 2203 | TestReturnStruct<SSS5>(); |
| 2204 | TestReturnStruct<SSS6>(); |
| 2205 | TestReturnStruct<SSS7>(); |
| 2206 | TestReturnStruct<SSS8>(); |
| 2207 | } |
| 2208 | |
| 2209 | struct LongStruct { |
| 2210 | U1 a1, b1; |
| 2211 | U2 a2, b2; |
| 2212 | U4 a4, b4; |
| 2213 | U8 a8, b8; |
| 2214 | }; |
| 2215 | |
| 2216 | NOINLINE LongStruct ReturnLongStruct1() { |
| 2217 | LongStruct res; |
| 2218 | __msan_poison(&res, sizeof(res)); |
| 2219 | res.a1 = res.a2 = res.a4 = res.a8 = 111; |
| 2220 | // leaves b1, .., b8 poisoned. |
| 2221 | return res; |
| 2222 | } |
| 2223 | |
| 2224 | NOINLINE LongStruct ReturnLongStruct2() { |
| 2225 | LongStruct res; |
| 2226 | __msan_poison(&res, sizeof(res)); |
| 2227 | res.b1 = res.b2 = res.b4 = res.b8 = 111; |
| 2228 | // leaves a1, .., a8 poisoned. |
| 2229 | return res; |
| 2230 | } |
| 2231 | |
| 2232 | TEST(MemorySanitizer, LongStruct) { |
| 2233 | LongStruct s1 = ReturnLongStruct1(); |
| 2234 | __msan_print_shadow(&s1, sizeof(s1)); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 2235 | EXPECT_NOT_POISONED(s1.a1); |
| 2236 | EXPECT_NOT_POISONED(s1.a2); |
| 2237 | EXPECT_NOT_POISONED(s1.a4); |
| 2238 | EXPECT_NOT_POISONED(s1.a8); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 2239 | |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 2240 | EXPECT_POISONED(s1.b1); |
| 2241 | EXPECT_POISONED(s1.b2); |
| 2242 | EXPECT_POISONED(s1.b4); |
| 2243 | EXPECT_POISONED(s1.b8); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 2244 | |
| 2245 | LongStruct s2 = ReturnLongStruct2(); |
| 2246 | __msan_print_shadow(&s2, sizeof(s2)); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 2247 | EXPECT_NOT_POISONED(s2.b1); |
| 2248 | EXPECT_NOT_POISONED(s2.b2); |
| 2249 | EXPECT_NOT_POISONED(s2.b4); |
| 2250 | EXPECT_NOT_POISONED(s2.b8); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 2251 | |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 2252 | EXPECT_POISONED(s2.a1); |
| 2253 | EXPECT_POISONED(s2.a2); |
| 2254 | EXPECT_POISONED(s2.a4); |
| 2255 | EXPECT_POISONED(s2.a8); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 2256 | } |
| 2257 | |
| 2258 | TEST(MemorySanitizer, getrlimit) { |
| 2259 | struct rlimit limit; |
| 2260 | __msan_poison(&limit, sizeof(limit)); |
| 2261 | int result = getrlimit(RLIMIT_DATA, &limit); |
| 2262 | assert(result == 0); |
Evgeniy Stepanov | 2bba4ef | 2013-05-16 13:00:25 +0000 | [diff] [blame] | 2263 | EXPECT_NOT_POISONED(limit.rlim_cur); |
| 2264 | EXPECT_NOT_POISONED(limit.rlim_max); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 2265 | } |
| 2266 | |
Evgeniy Stepanov | e03345b | 2013-01-17 13:42:17 +0000 | [diff] [blame] | 2267 | TEST(MemorySanitizer, getrusage) { |
| 2268 | struct rusage usage; |
| 2269 | __msan_poison(&usage, sizeof(usage)); |
| 2270 | int result = getrusage(RUSAGE_SELF, &usage); |
| 2271 | assert(result == 0); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 2272 | EXPECT_NOT_POISONED(usage.ru_utime.tv_sec); |
| 2273 | EXPECT_NOT_POISONED(usage.ru_utime.tv_usec); |
| 2274 | EXPECT_NOT_POISONED(usage.ru_stime.tv_sec); |
| 2275 | EXPECT_NOT_POISONED(usage.ru_stime.tv_usec); |
| 2276 | EXPECT_NOT_POISONED(usage.ru_maxrss); |
| 2277 | EXPECT_NOT_POISONED(usage.ru_minflt); |
| 2278 | EXPECT_NOT_POISONED(usage.ru_majflt); |
| 2279 | EXPECT_NOT_POISONED(usage.ru_inblock); |
| 2280 | EXPECT_NOT_POISONED(usage.ru_oublock); |
| 2281 | EXPECT_NOT_POISONED(usage.ru_nvcsw); |
| 2282 | EXPECT_NOT_POISONED(usage.ru_nivcsw); |
Evgeniy Stepanov | e03345b | 2013-01-17 13:42:17 +0000 | [diff] [blame] | 2283 | } |
| 2284 | |
Evgeniy Stepanov | 1aad6b5 | 2013-05-17 12:51:13 +0000 | [diff] [blame] | 2285 | #ifdef __GLIBC__ |
Evgeniy Stepanov | e6c62f2 | 2013-05-21 08:56:22 +0000 | [diff] [blame] | 2286 | extern char *program_invocation_name; |
Evgeniy Stepanov | 1aad6b5 | 2013-05-17 12:51:13 +0000 | [diff] [blame] | 2287 | #else // __GLIBC__ |
| 2288 | # error "TODO: port this" |
| 2289 | #endif |
| 2290 | |
Evgeniy Stepanov | e03345b | 2013-01-17 13:42:17 +0000 | [diff] [blame] | 2291 | static void dladdr_testfn() {} |
| 2292 | |
| 2293 | TEST(MemorySanitizer, dladdr) { |
| 2294 | Dl_info info; |
| 2295 | __msan_poison(&info, sizeof(info)); |
| 2296 | int result = dladdr((const void*)dladdr_testfn, &info); |
| 2297 | assert(result != 0); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 2298 | EXPECT_NOT_POISONED((unsigned long)info.dli_fname); |
Evgeniy Stepanov | e03345b | 2013-01-17 13:42:17 +0000 | [diff] [blame] | 2299 | if (info.dli_fname) |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 2300 | EXPECT_NOT_POISONED(strlen(info.dli_fname)); |
| 2301 | EXPECT_NOT_POISONED((unsigned long)info.dli_fbase); |
| 2302 | EXPECT_NOT_POISONED((unsigned long)info.dli_sname); |
Evgeniy Stepanov | e03345b | 2013-01-17 13:42:17 +0000 | [diff] [blame] | 2303 | if (info.dli_sname) |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 2304 | EXPECT_NOT_POISONED(strlen(info.dli_sname)); |
| 2305 | EXPECT_NOT_POISONED((unsigned long)info.dli_saddr); |
Evgeniy Stepanov | e03345b | 2013-01-17 13:42:17 +0000 | [diff] [blame] | 2306 | } |
| 2307 | |
Evgeniy Stepanov | 08104e6 | 2013-08-02 09:09:02 +0000 | [diff] [blame] | 2308 | #ifndef MSAN_TEST_DISABLE_DLOPEN |
| 2309 | |
Evgeniy Stepanov | 2bba4ef | 2013-05-16 13:00:25 +0000 | [diff] [blame] | 2310 | static int dl_phdr_callback(struct dl_phdr_info *info, size_t size, void *data) { |
| 2311 | (*(int *)data)++; |
| 2312 | EXPECT_NOT_POISONED(info->dlpi_addr); |
| 2313 | EXPECT_NOT_POISONED(strlen(info->dlpi_name)); |
| 2314 | EXPECT_NOT_POISONED(info->dlpi_phnum); |
| 2315 | for (int i = 0; i < info->dlpi_phnum; ++i) |
| 2316 | EXPECT_NOT_POISONED(info->dlpi_phdr[i]); |
| 2317 | return 0; |
| 2318 | } |
| 2319 | |
Evgeniy Stepanov | 263800b | 2013-06-27 13:21:00 +0000 | [diff] [blame] | 2320 | // Compute the path to our loadable DSO. We assume it's in the same |
| 2321 | // directory. Only use string routines that we intercept so far to do this. |
| 2322 | static int PathToLoadable(char *buf, size_t sz) { |
| 2323 | const char *basename = "libmsan_loadable.x86_64.so"; |
| 2324 | char *argv0 = program_invocation_name; |
| 2325 | char *last_slash = strrchr(argv0, '/'); |
| 2326 | assert(last_slash); |
| 2327 | int res = |
| 2328 | snprintf(buf, sz, "%.*s/%s", int(last_slash - argv0), argv0, basename); |
| 2329 | return res < sz ? 0 : res; |
| 2330 | } |
| 2331 | |
Evgeniy Stepanov | 2bba4ef | 2013-05-16 13:00:25 +0000 | [diff] [blame] | 2332 | TEST(MemorySanitizer, dl_iterate_phdr) { |
Evgeniy Stepanov | 1aad6b5 | 2013-05-17 12:51:13 +0000 | [diff] [blame] | 2333 | char path[4096]; |
| 2334 | int res = PathToLoadable(path, sizeof(path)); |
| 2335 | assert(!res); |
| 2336 | |
| 2337 | // Having at least one dlopen'ed library in the process makes this more |
| 2338 | // entertaining. |
| 2339 | void *lib = dlopen(path, RTLD_LAZY); |
| 2340 | ASSERT_NE((void*)0, lib); |
| 2341 | |
Evgeniy Stepanov | 2bba4ef | 2013-05-16 13:00:25 +0000 | [diff] [blame] | 2342 | int count = 0; |
| 2343 | int result = dl_iterate_phdr(dl_phdr_callback, &count); |
| 2344 | assert(count > 0); |
Evgeniy Stepanov | 1aad6b5 | 2013-05-17 12:51:13 +0000 | [diff] [blame] | 2345 | |
| 2346 | dlclose(lib); |
Evgeniy Stepanov | 2bba4ef | 2013-05-16 13:00:25 +0000 | [diff] [blame] | 2347 | } |
| 2348 | |
Reid Kleckner | 0f92deb | 2013-03-11 18:07:42 +0000 | [diff] [blame] | 2349 | |
| 2350 | TEST(MemorySanitizer, dlopen) { |
Evgeniy Stepanov | 1aad6b5 | 2013-05-17 12:51:13 +0000 | [diff] [blame] | 2351 | char path[4096]; |
| 2352 | int res = PathToLoadable(path, sizeof(path)); |
| 2353 | assert(!res); |
Reid Kleckner | 0f92deb | 2013-03-11 18:07:42 +0000 | [diff] [blame] | 2354 | |
| 2355 | // We need to clear shadow for globals when doing dlopen. In order to test |
| 2356 | // this, we have to poison the shadow for the DSO before we load it. In |
| 2357 | // general this is difficult, but the loader tends to reload things in the |
| 2358 | // same place, so we open, close, and then reopen. The global should always |
| 2359 | // start out clean after dlopen. |
| 2360 | for (int i = 0; i < 2; i++) { |
| 2361 | void *lib = dlopen(path, RTLD_LAZY); |
| 2362 | if (lib == NULL) { |
| 2363 | printf("dlerror: %s\n", dlerror()); |
| 2364 | assert(lib != NULL); |
| 2365 | } |
| 2366 | void **(*get_dso_global)() = (void **(*)())dlsym(lib, "get_dso_global"); |
| 2367 | assert(get_dso_global); |
| 2368 | void **dso_global = get_dso_global(); |
| 2369 | EXPECT_NOT_POISONED(*dso_global); |
| 2370 | __msan_poison(dso_global, sizeof(*dso_global)); |
| 2371 | EXPECT_POISONED(*dso_global); |
| 2372 | dlclose(lib); |
| 2373 | } |
Reid Kleckner | 0f92deb | 2013-03-11 18:07:42 +0000 | [diff] [blame] | 2374 | } |
Evgeniy Stepanov | 6c503b9 | 2013-03-22 11:59:49 +0000 | [diff] [blame] | 2375 | |
| 2376 | // Regression test for a crash in dlopen() interceptor. |
| 2377 | TEST(MemorySanitizer, dlopenFailed) { |
| 2378 | const char *path = "/libmsan_loadable_does_not_exist.x86_64.so"; |
| 2379 | void *lib = dlopen(path, RTLD_LAZY); |
| 2380 | ASSERT_EQ(0, lib); |
| 2381 | } |
Reid Kleckner | 0f92deb | 2013-03-11 18:07:42 +0000 | [diff] [blame] | 2382 | |
Evgeniy Stepanov | 263800b | 2013-06-27 13:21:00 +0000 | [diff] [blame] | 2383 | #endif // MSAN_TEST_DISABLE_DLOPEN |
| 2384 | |
Evgeniy Stepanov | 84ba74c | 2013-08-07 09:10:16 +0000 | [diff] [blame] | 2385 | TEST(MemorySanitizer, sched_getaffinity) { |
| 2386 | cpu_set_t mask; |
| 2387 | int res = sched_getaffinity(getpid(), sizeof(mask), &mask); |
| 2388 | ASSERT_EQ(0, res); |
| 2389 | EXPECT_NOT_POISONED(mask); |
| 2390 | } |
| 2391 | |
Evgeniy Stepanov | 996c4f2 | 2013-01-18 11:17:23 +0000 | [diff] [blame] | 2392 | TEST(MemorySanitizer, scanf) { |
| 2393 | const char *input = "42 hello"; |
| 2394 | int* d = new int; |
| 2395 | char* s = new char[7]; |
| 2396 | int res = sscanf(input, "%d %5s", d, s); |
| 2397 | printf("res %d\n", res); |
| 2398 | assert(res == 2); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 2399 | EXPECT_NOT_POISONED(*d); |
| 2400 | EXPECT_NOT_POISONED(s[0]); |
| 2401 | EXPECT_NOT_POISONED(s[1]); |
| 2402 | EXPECT_NOT_POISONED(s[2]); |
| 2403 | EXPECT_NOT_POISONED(s[3]); |
| 2404 | EXPECT_NOT_POISONED(s[4]); |
| 2405 | EXPECT_NOT_POISONED(s[5]); |
| 2406 | EXPECT_POISONED(s[6]); |
Evgeniy Stepanov | 996c4f2 | 2013-01-18 11:17:23 +0000 | [diff] [blame] | 2407 | delete s; |
| 2408 | delete d; |
| 2409 | } |
| 2410 | |
Evgeniy Stepanov | b9bf700 | 2013-03-19 09:30:52 +0000 | [diff] [blame] | 2411 | static void *SimpleThread_threadfn(void* data) { |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 2412 | return new int; |
| 2413 | } |
| 2414 | |
| 2415 | TEST(MemorySanitizer, SimpleThread) { |
| 2416 | pthread_t t; |
Evgeniy Stepanov | b9bf700 | 2013-03-19 09:30:52 +0000 | [diff] [blame] | 2417 | void *p; |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 2418 | int res = pthread_create(&t, NULL, SimpleThread_threadfn, NULL); |
| 2419 | assert(!res); |
Evgeniy Stepanov | e4bdda5 | 2013-04-01 14:47:21 +0000 | [diff] [blame] | 2420 | EXPECT_NOT_POISONED(t); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 2421 | res = pthread_join(t, &p); |
| 2422 | assert(!res); |
Evgeniy Stepanov | 6567092 | 2013-07-30 12:54:34 +0000 | [diff] [blame] | 2423 | EXPECT_NOT_POISONED(p); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 2424 | delete (int*)p; |
| 2425 | } |
| 2426 | |
Evgeniy Stepanov | b9bf700 | 2013-03-19 09:30:52 +0000 | [diff] [blame] | 2427 | static void *SmallStackThread_threadfn(void* data) { |
Evgeniy Stepanov | 10fd322 | 2013-03-13 09:01:40 +0000 | [diff] [blame] | 2428 | return 0; |
| 2429 | } |
| 2430 | |
| 2431 | TEST(MemorySanitizer, SmallStackThread) { |
| 2432 | pthread_attr_t attr; |
| 2433 | pthread_t t; |
Evgeniy Stepanov | b9bf700 | 2013-03-19 09:30:52 +0000 | [diff] [blame] | 2434 | void *p; |
Evgeniy Stepanov | 10fd322 | 2013-03-13 09:01:40 +0000 | [diff] [blame] | 2435 | int res; |
| 2436 | res = pthread_attr_init(&attr); |
| 2437 | ASSERT_EQ(0, res); |
| 2438 | res = pthread_attr_setstacksize(&attr, 64 * 1024); |
| 2439 | ASSERT_EQ(0, res); |
Evgeniy Stepanov | b9bf700 | 2013-03-19 09:30:52 +0000 | [diff] [blame] | 2440 | res = pthread_create(&t, &attr, SmallStackThread_threadfn, NULL); |
Evgeniy Stepanov | 10fd322 | 2013-03-13 09:01:40 +0000 | [diff] [blame] | 2441 | ASSERT_EQ(0, res); |
| 2442 | res = pthread_join(t, &p); |
| 2443 | ASSERT_EQ(0, res); |
| 2444 | res = pthread_attr_destroy(&attr); |
| 2445 | ASSERT_EQ(0, res); |
| 2446 | } |
| 2447 | |
Evgeniy Stepanov | b9bf700 | 2013-03-19 09:30:52 +0000 | [diff] [blame] | 2448 | TEST(MemorySanitizer, PreAllocatedStackThread) { |
| 2449 | pthread_attr_t attr; |
| 2450 | pthread_t t; |
| 2451 | int res; |
| 2452 | res = pthread_attr_init(&attr); |
| 2453 | ASSERT_EQ(0, res); |
| 2454 | void *stack; |
| 2455 | const size_t kStackSize = 64 * 1024; |
| 2456 | res = posix_memalign(&stack, 4096, kStackSize); |
| 2457 | ASSERT_EQ(0, res); |
| 2458 | res = pthread_attr_setstack(&attr, stack, kStackSize); |
| 2459 | ASSERT_EQ(0, res); |
| 2460 | // A small self-allocated stack can not be extended by the tool. |
| 2461 | // In this case pthread_create is expected to fail. |
| 2462 | res = pthread_create(&t, &attr, SmallStackThread_threadfn, NULL); |
| 2463 | EXPECT_NE(0, res); |
| 2464 | res = pthread_attr_destroy(&attr); |
| 2465 | ASSERT_EQ(0, res); |
| 2466 | } |
| 2467 | |
Evgeniy Stepanov | 56d3472 | 2013-05-21 08:12:08 +0000 | [diff] [blame] | 2468 | TEST(MemorySanitizer, pthread_getschedparam) { |
| 2469 | int policy; |
| 2470 | struct sched_param param; |
| 2471 | int res = pthread_getschedparam(pthread_self(), &policy, ¶m); |
| 2472 | ASSERT_EQ(0, res); |
| 2473 | EXPECT_NOT_POISONED(policy); |
| 2474 | EXPECT_NOT_POISONED(param.sched_priority); |
| 2475 | } |
| 2476 | |
Evgeniy Stepanov | 737da2f | 2013-07-05 12:31:07 +0000 | [diff] [blame] | 2477 | TEST(MemorySanitizer, pthread_key_create) { |
| 2478 | pthread_key_t key; |
| 2479 | int res = pthread_key_create(&key, NULL); |
| 2480 | assert(!res); |
| 2481 | EXPECT_NOT_POISONED(key); |
| 2482 | res = pthread_key_delete(key); |
| 2483 | assert(!res); |
| 2484 | } |
| 2485 | |
Alexey Samsonov | 5e2d377 | 2013-10-16 08:20:31 +0000 | [diff] [blame] | 2486 | namespace { |
| 2487 | struct SignalCondArg { |
| 2488 | pthread_cond_t* cond; |
| 2489 | pthread_mutex_t* mu; |
Alexey Samsonov | fc81346 | 2013-10-17 09:24:03 +0000 | [diff] [blame] | 2490 | bool broadcast; |
Alexey Samsonov | 5e2d377 | 2013-10-16 08:20:31 +0000 | [diff] [blame] | 2491 | }; |
| 2492 | |
| 2493 | void *SignalCond(void *param) { |
| 2494 | SignalCondArg *arg = reinterpret_cast<SignalCondArg *>(param); |
| 2495 | pthread_mutex_lock(arg->mu); |
Alexey Samsonov | fc81346 | 2013-10-17 09:24:03 +0000 | [diff] [blame] | 2496 | if (arg->broadcast) |
| 2497 | pthread_cond_broadcast(arg->cond); |
| 2498 | else |
| 2499 | pthread_cond_signal(arg->cond); |
Alexey Samsonov | 5e2d377 | 2013-10-16 08:20:31 +0000 | [diff] [blame] | 2500 | pthread_mutex_unlock(arg->mu); |
| 2501 | return 0; |
| 2502 | } |
| 2503 | } // namespace |
| 2504 | |
| 2505 | TEST(MemorySanitizer, pthread_cond_wait) { |
| 2506 | pthread_cond_t cond; |
| 2507 | pthread_mutex_t mu; |
Alexey Samsonov | fc81346 | 2013-10-17 09:24:03 +0000 | [diff] [blame] | 2508 | SignalCondArg args = {&cond, &mu, false}; |
Alexey Samsonov | 5e2d377 | 2013-10-16 08:20:31 +0000 | [diff] [blame] | 2509 | pthread_cond_init(&cond, 0); |
| 2510 | pthread_mutex_init(&mu, 0); |
Alexey Samsonov | 5e2d377 | 2013-10-16 08:20:31 +0000 | [diff] [blame] | 2511 | pthread_mutex_lock(&mu); |
Alexey Samsonov | fc81346 | 2013-10-17 09:24:03 +0000 | [diff] [blame] | 2512 | |
| 2513 | // signal |
Alexey Samsonov | 5e2d377 | 2013-10-16 08:20:31 +0000 | [diff] [blame] | 2514 | pthread_t thr; |
| 2515 | pthread_create(&thr, 0, SignalCond, &args); |
| 2516 | int res = pthread_cond_wait(&cond, &mu); |
| 2517 | assert(!res); |
| 2518 | pthread_join(thr, 0); |
Alexey Samsonov | fc81346 | 2013-10-17 09:24:03 +0000 | [diff] [blame] | 2519 | |
| 2520 | // broadcast |
| 2521 | args.broadcast = true; |
| 2522 | pthread_create(&thr, 0, SignalCond, &args); |
| 2523 | res = pthread_cond_wait(&cond, &mu); |
| 2524 | assert(!res); |
| 2525 | pthread_join(thr, 0); |
| 2526 | |
Alexey Samsonov | 5e2d377 | 2013-10-16 08:20:31 +0000 | [diff] [blame] | 2527 | pthread_mutex_unlock(&mu); |
| 2528 | pthread_mutex_destroy(&mu); |
| 2529 | pthread_cond_destroy(&cond); |
| 2530 | } |
| 2531 | |
Evgeniy Stepanov | b6c8e47 | 2013-04-23 13:27:36 +0000 | [diff] [blame] | 2532 | TEST(MemorySanitizer, posix_memalign) { |
| 2533 | void *p; |
| 2534 | EXPECT_POISONED(p); |
| 2535 | int res = posix_memalign(&p, 4096, 13); |
| 2536 | ASSERT_EQ(0, res); |
| 2537 | EXPECT_NOT_POISONED(p); |
Evgeniy Stepanov | 97160a8 | 2013-09-02 09:24:53 +0000 | [diff] [blame] | 2538 | EXPECT_EQ(0U, (uintptr_t)p % 4096); |
| 2539 | free(p); |
| 2540 | } |
| 2541 | |
| 2542 | TEST(MemorySanitizer, memalign) { |
| 2543 | void *p = memalign(4096, 13); |
| 2544 | EXPECT_EQ(0U, (uintptr_t)p % kPageSize); |
| 2545 | free(p); |
| 2546 | } |
| 2547 | |
| 2548 | TEST(MemorySanitizer, valloc) { |
| 2549 | void *a = valloc(100); |
| 2550 | EXPECT_EQ(0U, (uintptr_t)a % kPageSize); |
| 2551 | free(a); |
| 2552 | } |
| 2553 | |
| 2554 | TEST(MemorySanitizer, pvalloc) { |
| 2555 | void *p = pvalloc(kPageSize + 100); |
| 2556 | EXPECT_EQ(0U, (uintptr_t)p % kPageSize); |
| 2557 | EXPECT_EQ(2 * kPageSize, __msan_get_allocated_size(p)); |
| 2558 | free(p); |
| 2559 | |
| 2560 | p = pvalloc(0); // pvalloc(0) should allocate at least one page. |
| 2561 | EXPECT_EQ(0U, (uintptr_t)p % kPageSize); |
| 2562 | EXPECT_EQ(kPageSize, __msan_get_allocated_size(p)); |
Evgeniy Stepanov | b6c8e47 | 2013-04-23 13:27:36 +0000 | [diff] [blame] | 2563 | free(p); |
| 2564 | } |
| 2565 | |
Evgeniy Stepanov | 9530eb7 | 2013-04-23 14:05:15 +0000 | [diff] [blame] | 2566 | TEST(MemorySanitizer, inet_pton) { |
| 2567 | const char *s = "1:0:0:0:0:0:0:8"; |
| 2568 | unsigned char buf[sizeof(struct in6_addr)]; |
| 2569 | int res = inet_pton(AF_INET6, s, buf); |
| 2570 | ASSERT_EQ(1, res); |
| 2571 | EXPECT_NOT_POISONED(buf[0]); |
| 2572 | EXPECT_NOT_POISONED(buf[sizeof(struct in6_addr) - 1]); |
| 2573 | |
| 2574 | char s_out[INET6_ADDRSTRLEN]; |
| 2575 | EXPECT_POISONED(s_out[3]); |
| 2576 | const char *q = inet_ntop(AF_INET6, buf, s_out, INET6_ADDRSTRLEN); |
| 2577 | ASSERT_NE((void*)0, q); |
| 2578 | EXPECT_NOT_POISONED(s_out[3]); |
| 2579 | } |
| 2580 | |
Evgeniy Stepanov | 9d60087 | 2013-06-24 13:56:14 +0000 | [diff] [blame] | 2581 | TEST(MemorySanitizer, inet_aton) { |
| 2582 | const char *s = "127.0.0.1"; |
| 2583 | struct in_addr in[2]; |
| 2584 | int res = inet_aton(s, in); |
| 2585 | ASSERT_NE(0, res); |
| 2586 | EXPECT_NOT_POISONED(in[0]); |
| 2587 | EXPECT_POISONED(*(char *)(in + 1)); |
| 2588 | } |
| 2589 | |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 2590 | TEST(MemorySanitizer, uname) { |
| 2591 | struct utsname u; |
| 2592 | int res = uname(&u); |
| 2593 | assert(!res); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 2594 | EXPECT_NOT_POISONED(strlen(u.sysname)); |
| 2595 | EXPECT_NOT_POISONED(strlen(u.nodename)); |
| 2596 | EXPECT_NOT_POISONED(strlen(u.release)); |
| 2597 | EXPECT_NOT_POISONED(strlen(u.version)); |
| 2598 | EXPECT_NOT_POISONED(strlen(u.machine)); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 2599 | } |
| 2600 | |
Evgeniy Stepanov | 95d0588 | 2013-01-23 10:43:38 +0000 | [diff] [blame] | 2601 | TEST(MemorySanitizer, gethostname) { |
| 2602 | char buf[100]; |
| 2603 | int res = gethostname(buf, 100); |
| 2604 | assert(!res); |
| 2605 | EXPECT_NOT_POISONED(strlen(buf)); |
| 2606 | } |
| 2607 | |
Evgeniy Stepanov | 359d7fc | 2013-06-24 14:25:33 +0000 | [diff] [blame] | 2608 | TEST(MemorySanitizer, sysinfo) { |
| 2609 | struct sysinfo info; |
| 2610 | int res = sysinfo(&info); |
| 2611 | assert(!res); |
| 2612 | EXPECT_NOT_POISONED(info); |
| 2613 | } |
| 2614 | |
Evgeniy Stepanov | e4bdda5 | 2013-04-01 14:47:21 +0000 | [diff] [blame] | 2615 | TEST(MemorySanitizer, getpwuid) { |
| 2616 | struct passwd *p = getpwuid(0); // root |
| 2617 | assert(p); |
| 2618 | EXPECT_NOT_POISONED(p->pw_name); |
| 2619 | assert(p->pw_name); |
| 2620 | EXPECT_NOT_POISONED(p->pw_name[0]); |
| 2621 | EXPECT_NOT_POISONED(p->pw_uid); |
| 2622 | assert(p->pw_uid == 0); |
| 2623 | } |
| 2624 | |
| 2625 | TEST(MemorySanitizer, getpwnam_r) { |
| 2626 | struct passwd pwd; |
| 2627 | struct passwd *pwdres; |
| 2628 | char buf[10000]; |
| 2629 | int res = getpwnam_r("root", &pwd, buf, sizeof(buf), &pwdres); |
| 2630 | assert(!res); |
| 2631 | EXPECT_NOT_POISONED(pwd.pw_name); |
| 2632 | assert(pwd.pw_name); |
| 2633 | EXPECT_NOT_POISONED(pwd.pw_name[0]); |
| 2634 | EXPECT_NOT_POISONED(pwd.pw_uid); |
| 2635 | assert(pwd.pw_uid == 0); |
| 2636 | } |
| 2637 | |
| 2638 | TEST(MemorySanitizer, getpwnam_r_positive) { |
| 2639 | struct passwd pwd; |
| 2640 | struct passwd *pwdres; |
| 2641 | char s[5]; |
| 2642 | strncpy(s, "abcd", 5); |
| 2643 | __msan_poison(s, 5); |
| 2644 | char buf[10000]; |
| 2645 | int res; |
| 2646 | EXPECT_UMR(res = getpwnam_r(s, &pwd, buf, sizeof(buf), &pwdres)); |
| 2647 | } |
| 2648 | |
Evgeniy Stepanov | 103a63e | 2013-04-23 12:01:20 +0000 | [diff] [blame] | 2649 | TEST(MemorySanitizer, getgrnam_r) { |
| 2650 | struct group grp; |
| 2651 | struct group *grpres; |
| 2652 | char buf[10000]; |
| 2653 | int res = getgrnam_r("root", &grp, buf, sizeof(buf), &grpres); |
| 2654 | assert(!res); |
| 2655 | EXPECT_NOT_POISONED(grp.gr_name); |
| 2656 | assert(grp.gr_name); |
| 2657 | EXPECT_NOT_POISONED(grp.gr_name[0]); |
| 2658 | EXPECT_NOT_POISONED(grp.gr_gid); |
| 2659 | } |
| 2660 | |
Evgeniy Stepanov | edff34b | 2013-08-12 11:01:40 +0000 | [diff] [blame] | 2661 | TEST(MemorySanitizer, getgroups) { |
| 2662 | int n = getgroups(0, 0); |
| 2663 | gid_t *gids = new gid_t[n]; |
| 2664 | int res = getgroups(n, gids); |
| 2665 | ASSERT_EQ(n, res); |
| 2666 | for (int i = 0; i < n; ++i) |
| 2667 | EXPECT_NOT_POISONED(gids[i]); |
| 2668 | } |
| 2669 | |
Evgeniy Stepanov | c5a3855 | 2013-09-24 14:38:22 +0000 | [diff] [blame] | 2670 | TEST(MemorySanitizer, wordexp) { |
| 2671 | wordexp_t w; |
| 2672 | int res = wordexp("a b c", &w, 0); |
| 2673 | ASSERT_EQ(0, res); |
| 2674 | ASSERT_EQ(3, w.we_wordc); |
| 2675 | ASSERT_STREQ("a", w.we_wordv[0]); |
| 2676 | ASSERT_STREQ("b", w.we_wordv[1]); |
| 2677 | ASSERT_STREQ("c", w.we_wordv[2]); |
| 2678 | } |
| 2679 | |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 2680 | template<class T> |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 2681 | static bool applySlt(T value, T shadow) { |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 2682 | __msan_partial_poison(&value, &shadow, sizeof(T)); |
| 2683 | volatile bool zzz = true; |
| 2684 | // This "|| zzz" trick somehow makes LLVM emit "icmp slt" instead of |
| 2685 | // a shift-and-trunc to get at the highest bit. |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 2686 | volatile bool v = value < 0 || zzz; |
| 2687 | return v; |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 2688 | } |
| 2689 | |
| 2690 | TEST(MemorySanitizer, SignedCompareWithZero) { |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 2691 | EXPECT_NOT_POISONED(applySlt<S4>(0xF, 0xF)); |
| 2692 | EXPECT_NOT_POISONED(applySlt<S4>(0xF, 0xFF)); |
| 2693 | EXPECT_NOT_POISONED(applySlt<S4>(0xF, 0xFFFFFF)); |
| 2694 | EXPECT_NOT_POISONED(applySlt<S4>(0xF, 0x7FFFFFF)); |
| 2695 | EXPECT_UMR(applySlt<S4>(0xF, 0x80FFFFFF)); |
| 2696 | EXPECT_UMR(applySlt<S4>(0xF, 0xFFFFFFFF)); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 2697 | } |
| 2698 | |
Evgeniy Stepanov | 9a22a3d | 2013-01-25 15:39:11 +0000 | [diff] [blame] | 2699 | template <class T, class S> |
| 2700 | static T poisoned(T Va, S Sa) { |
| 2701 | char SIZE_CHECK1[(ssize_t)sizeof(T) - (ssize_t)sizeof(S)]; |
| 2702 | char SIZE_CHECK2[(ssize_t)sizeof(S) - (ssize_t)sizeof(T)]; |
| 2703 | T a; |
| 2704 | a = Va; |
| 2705 | __msan_partial_poison(&a, &Sa, sizeof(T)); |
| 2706 | return a; |
| 2707 | } |
| 2708 | |
| 2709 | TEST(MemorySanitizer, ICmpRelational) { |
| 2710 | EXPECT_NOT_POISONED(poisoned(0, 0) < poisoned(0, 0)); |
| 2711 | EXPECT_NOT_POISONED(poisoned(0U, 0) < poisoned(0U, 0)); |
| 2712 | EXPECT_NOT_POISONED(poisoned(0LL, 0LLU) < poisoned(0LL, 0LLU)); |
| 2713 | EXPECT_NOT_POISONED(poisoned(0LLU, 0LLU) < poisoned(0LLU, 0LLU)); |
| 2714 | EXPECT_POISONED(poisoned(0xFF, 0xFF) < poisoned(0xFF, 0xFF)); |
| 2715 | EXPECT_POISONED(poisoned(0xFFFFFFFFU, 0xFFFFFFFFU) < |
| 2716 | poisoned(0xFFFFFFFFU, 0xFFFFFFFFU)); |
| 2717 | EXPECT_POISONED(poisoned(-1, 0xFFFFFFFFU) < |
| 2718 | poisoned(-1, 0xFFFFFFFFU)); |
| 2719 | |
| 2720 | EXPECT_NOT_POISONED(poisoned(0, 0) <= poisoned(0, 0)); |
| 2721 | EXPECT_NOT_POISONED(poisoned(0U, 0) <= poisoned(0U, 0)); |
| 2722 | EXPECT_NOT_POISONED(poisoned(0LL, 0LLU) <= poisoned(0LL, 0LLU)); |
| 2723 | EXPECT_NOT_POISONED(poisoned(0LLU, 0LLU) <= poisoned(0LLU, 0LLU)); |
| 2724 | EXPECT_POISONED(poisoned(0xFF, 0xFF) <= poisoned(0xFF, 0xFF)); |
| 2725 | EXPECT_POISONED(poisoned(0xFFFFFFFFU, 0xFFFFFFFFU) <= |
| 2726 | poisoned(0xFFFFFFFFU, 0xFFFFFFFFU)); |
| 2727 | EXPECT_POISONED(poisoned(-1, 0xFFFFFFFFU) <= |
| 2728 | poisoned(-1, 0xFFFFFFFFU)); |
| 2729 | |
| 2730 | EXPECT_NOT_POISONED(poisoned(0, 0) > poisoned(0, 0)); |
| 2731 | EXPECT_NOT_POISONED(poisoned(0U, 0) > poisoned(0U, 0)); |
| 2732 | EXPECT_NOT_POISONED(poisoned(0LL, 0LLU) > poisoned(0LL, 0LLU)); |
| 2733 | EXPECT_NOT_POISONED(poisoned(0LLU, 0LLU) > poisoned(0LLU, 0LLU)); |
| 2734 | EXPECT_POISONED(poisoned(0xFF, 0xFF) > poisoned(0xFF, 0xFF)); |
| 2735 | EXPECT_POISONED(poisoned(0xFFFFFFFFU, 0xFFFFFFFFU) > |
| 2736 | poisoned(0xFFFFFFFFU, 0xFFFFFFFFU)); |
| 2737 | EXPECT_POISONED(poisoned(-1, 0xFFFFFFFFU) > |
| 2738 | poisoned(-1, 0xFFFFFFFFU)); |
| 2739 | |
| 2740 | EXPECT_NOT_POISONED(poisoned(0, 0) >= poisoned(0, 0)); |
| 2741 | EXPECT_NOT_POISONED(poisoned(0U, 0) >= poisoned(0U, 0)); |
| 2742 | EXPECT_NOT_POISONED(poisoned(0LL, 0LLU) >= poisoned(0LL, 0LLU)); |
| 2743 | EXPECT_NOT_POISONED(poisoned(0LLU, 0LLU) >= poisoned(0LLU, 0LLU)); |
| 2744 | EXPECT_POISONED(poisoned(0xFF, 0xFF) >= poisoned(0xFF, 0xFF)); |
| 2745 | EXPECT_POISONED(poisoned(0xFFFFFFFFU, 0xFFFFFFFFU) >= |
| 2746 | poisoned(0xFFFFFFFFU, 0xFFFFFFFFU)); |
| 2747 | EXPECT_POISONED(poisoned(-1, 0xFFFFFFFFU) >= |
| 2748 | poisoned(-1, 0xFFFFFFFFU)); |
| 2749 | |
Evgeniy Stepanov | 9a22a3d | 2013-01-25 15:39:11 +0000 | [diff] [blame] | 2750 | EXPECT_POISONED(poisoned(6, 0xF) > poisoned(7, 0)); |
| 2751 | EXPECT_POISONED(poisoned(0xF, 0xF) > poisoned(7, 0)); |
| 2752 | |
| 2753 | EXPECT_NOT_POISONED(poisoned(-1, 0x80000000U) >= poisoned(-1, 0U)); |
Evgeniy Stepanov | 9a22a3d | 2013-01-25 15:39:11 +0000 | [diff] [blame] | 2754 | } |
| 2755 | |
| 2756 | #if MSAN_HAS_M128 |
| 2757 | TEST(MemorySanitizer, ICmpVectorRelational) { |
Evgeniy Stepanov | b921bf2 | 2013-04-16 14:09:47 +0000 | [diff] [blame] | 2758 | EXPECT_NOT_POISONED( |
| 2759 | _mm_cmplt_epi16(poisoned(_mm_set1_epi16(0), _mm_set1_epi16(0)), |
| 2760 | poisoned(_mm_set1_epi16(0), _mm_set1_epi16(0)))); |
| 2761 | EXPECT_NOT_POISONED( |
| 2762 | _mm_cmplt_epi16(poisoned(_mm_set1_epi32(0), _mm_set1_epi32(0)), |
| 2763 | poisoned(_mm_set1_epi32(0), _mm_set1_epi32(0)))); |
| 2764 | EXPECT_POISONED( |
| 2765 | _mm_cmplt_epi16(poisoned(_mm_set1_epi16(0), _mm_set1_epi16(0xFFFF)), |
| 2766 | poisoned(_mm_set1_epi16(0), _mm_set1_epi16(0xFFFF)))); |
| 2767 | EXPECT_POISONED(_mm_cmpgt_epi16(poisoned(_mm_set1_epi16(6), _mm_set1_epi16(0xF)), |
| 2768 | poisoned(_mm_set1_epi16(7), _mm_set1_epi16(0)))); |
Evgeniy Stepanov | 9a22a3d | 2013-01-25 15:39:11 +0000 | [diff] [blame] | 2769 | } |
| 2770 | #endif |
| 2771 | |
Evgeniy Stepanov | 2efa142 | 2013-01-22 12:31:39 +0000 | [diff] [blame] | 2772 | // Volatile bitfield store is implemented as load-mask-store |
| 2773 | // Test that we don't warn on the store of (uninitialized) padding. |
| 2774 | struct VolatileBitfieldStruct { |
| 2775 | volatile unsigned x : 1; |
| 2776 | unsigned y : 1; |
| 2777 | }; |
| 2778 | |
| 2779 | TEST(MemorySanitizer, VolatileBitfield) { |
| 2780 | VolatileBitfieldStruct *S = new VolatileBitfieldStruct; |
| 2781 | S->x = 1; |
Evgeniy Stepanov | 02f4a94 | 2013-01-22 12:33:11 +0000 | [diff] [blame] | 2782 | EXPECT_NOT_POISONED((unsigned)S->x); |
| 2783 | EXPECT_POISONED((unsigned)S->y); |
Evgeniy Stepanov | 2efa142 | 2013-01-22 12:31:39 +0000 | [diff] [blame] | 2784 | } |
| 2785 | |
Evgeniy Stepanov | f43f602 | 2013-06-04 13:08:36 +0000 | [diff] [blame] | 2786 | TEST(MemorySanitizer, UnalignedLoad) { |
| 2787 | char x[32]; |
| 2788 | memset(x + 8, 0, 16); |
| 2789 | EXPECT_POISONED(__sanitizer_unaligned_load16(x+6)); |
| 2790 | EXPECT_POISONED(__sanitizer_unaligned_load16(x+7)); |
| 2791 | EXPECT_NOT_POISONED(__sanitizer_unaligned_load16(x+8)); |
| 2792 | EXPECT_NOT_POISONED(__sanitizer_unaligned_load16(x+9)); |
| 2793 | EXPECT_NOT_POISONED(__sanitizer_unaligned_load16(x+22)); |
| 2794 | EXPECT_POISONED(__sanitizer_unaligned_load16(x+23)); |
| 2795 | EXPECT_POISONED(__sanitizer_unaligned_load16(x+24)); |
| 2796 | |
| 2797 | EXPECT_POISONED(__sanitizer_unaligned_load32(x+4)); |
| 2798 | EXPECT_POISONED(__sanitizer_unaligned_load32(x+7)); |
| 2799 | EXPECT_NOT_POISONED(__sanitizer_unaligned_load32(x+8)); |
| 2800 | EXPECT_NOT_POISONED(__sanitizer_unaligned_load32(x+9)); |
| 2801 | EXPECT_NOT_POISONED(__sanitizer_unaligned_load32(x+20)); |
| 2802 | EXPECT_POISONED(__sanitizer_unaligned_load32(x+21)); |
| 2803 | EXPECT_POISONED(__sanitizer_unaligned_load32(x+24)); |
| 2804 | |
| 2805 | EXPECT_POISONED(__sanitizer_unaligned_load64(x)); |
| 2806 | EXPECT_POISONED(__sanitizer_unaligned_load64(x+1)); |
| 2807 | EXPECT_POISONED(__sanitizer_unaligned_load64(x+7)); |
| 2808 | EXPECT_NOT_POISONED(__sanitizer_unaligned_load64(x+8)); |
| 2809 | EXPECT_NOT_POISONED(__sanitizer_unaligned_load64(x+9)); |
| 2810 | EXPECT_NOT_POISONED(__sanitizer_unaligned_load64(x+16)); |
| 2811 | EXPECT_POISONED(__sanitizer_unaligned_load64(x+17)); |
| 2812 | EXPECT_POISONED(__sanitizer_unaligned_load64(x+21)); |
| 2813 | EXPECT_POISONED(__sanitizer_unaligned_load64(x+24)); |
| 2814 | } |
| 2815 | |
| 2816 | TEST(MemorySanitizer, UnalignedStore16) { |
| 2817 | char x[5]; |
| 2818 | U2 y = 0; |
| 2819 | __msan_poison(&y, 1); |
| 2820 | __sanitizer_unaligned_store16(x + 1, y); |
| 2821 | EXPECT_POISONED(x[0]); |
| 2822 | EXPECT_POISONED(x[1]); |
| 2823 | EXPECT_NOT_POISONED(x[2]); |
| 2824 | EXPECT_POISONED(x[3]); |
| 2825 | EXPECT_POISONED(x[4]); |
| 2826 | } |
| 2827 | |
| 2828 | TEST(MemorySanitizer, UnalignedStore32) { |
| 2829 | char x[8]; |
| 2830 | U4 y4 = 0; |
| 2831 | __msan_poison(&y4, 2); |
| 2832 | __sanitizer_unaligned_store32(x+3, y4); |
| 2833 | EXPECT_POISONED(x[0]); |
| 2834 | EXPECT_POISONED(x[1]); |
| 2835 | EXPECT_POISONED(x[2]); |
| 2836 | EXPECT_POISONED(x[3]); |
| 2837 | EXPECT_POISONED(x[4]); |
| 2838 | EXPECT_NOT_POISONED(x[5]); |
| 2839 | EXPECT_NOT_POISONED(x[6]); |
| 2840 | EXPECT_POISONED(x[7]); |
| 2841 | } |
| 2842 | |
| 2843 | TEST(MemorySanitizer, UnalignedStore64) { |
| 2844 | char x[16]; |
| 2845 | U8 y = 0; |
| 2846 | __msan_poison(&y, 3); |
| 2847 | __msan_poison(((char *)&y) + sizeof(y) - 2, 1); |
| 2848 | __sanitizer_unaligned_store64(x+3, y); |
| 2849 | EXPECT_POISONED(x[0]); |
| 2850 | EXPECT_POISONED(x[1]); |
| 2851 | EXPECT_POISONED(x[2]); |
| 2852 | EXPECT_POISONED(x[3]); |
| 2853 | EXPECT_POISONED(x[4]); |
| 2854 | EXPECT_POISONED(x[5]); |
| 2855 | EXPECT_NOT_POISONED(x[6]); |
| 2856 | EXPECT_NOT_POISONED(x[7]); |
| 2857 | EXPECT_NOT_POISONED(x[8]); |
| 2858 | EXPECT_POISONED(x[9]); |
| 2859 | EXPECT_NOT_POISONED(x[10]); |
| 2860 | EXPECT_POISONED(x[11]); |
| 2861 | } |
| 2862 | |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 2863 | TEST(MemorySanitizerDr, StoreInDSOTest) { |
| 2864 | if (!__msan_has_dynamic_component()) return; |
| 2865 | char* s = new char[10]; |
| 2866 | dso_memfill(s, 9); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 2867 | EXPECT_NOT_POISONED(s[5]); |
| 2868 | EXPECT_POISONED(s[9]); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 2869 | } |
| 2870 | |
| 2871 | int return_poisoned_int() { |
| 2872 | return ReturnPoisoned<U8>(); |
| 2873 | } |
| 2874 | |
| 2875 | TEST(MemorySanitizerDr, ReturnFromDSOTest) { |
| 2876 | if (!__msan_has_dynamic_component()) return; |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 2877 | EXPECT_NOT_POISONED(dso_callfn(return_poisoned_int)); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 2878 | } |
| 2879 | |
| 2880 | NOINLINE int TrashParamTLS(long long x, long long y, long long z) { //NOLINT |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 2881 | EXPECT_POISONED(x); |
| 2882 | EXPECT_POISONED(y); |
| 2883 | EXPECT_POISONED(z); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 2884 | return 0; |
| 2885 | } |
| 2886 | |
| 2887 | static int CheckParamTLS(long long x, long long y, long long z) { //NOLINT |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 2888 | EXPECT_NOT_POISONED(x); |
| 2889 | EXPECT_NOT_POISONED(y); |
| 2890 | EXPECT_NOT_POISONED(z); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 2891 | return 0; |
| 2892 | } |
| 2893 | |
| 2894 | TEST(MemorySanitizerDr, CallFromDSOTest) { |
| 2895 | if (!__msan_has_dynamic_component()) return; |
| 2896 | S8* x = GetPoisoned<S8>(); |
| 2897 | S8* y = GetPoisoned<S8>(); |
| 2898 | S8* z = GetPoisoned<S8>(); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 2899 | EXPECT_NOT_POISONED(TrashParamTLS(*x, *y, *z)); |
| 2900 | EXPECT_NOT_POISONED(dso_callfn1(CheckParamTLS)); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 2901 | } |
| 2902 | |
| 2903 | static void StackStoreInDSOFn(int* x, int* y) { |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 2904 | EXPECT_NOT_POISONED(*x); |
| 2905 | EXPECT_NOT_POISONED(*y); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 2906 | } |
| 2907 | |
| 2908 | TEST(MemorySanitizerDr, StackStoreInDSOTest) { |
| 2909 | if (!__msan_has_dynamic_component()) return; |
| 2910 | dso_stack_store(StackStoreInDSOFn, 1); |
| 2911 | } |
| 2912 | |
| 2913 | TEST(MemorySanitizerOrigins, SetGet) { |
| 2914 | EXPECT_EQ(TrackingOrigins(), __msan_get_track_origins()); |
| 2915 | if (!TrackingOrigins()) return; |
| 2916 | int x; |
| 2917 | __msan_set_origin(&x, sizeof(x), 1234); |
| 2918 | EXPECT_EQ(1234, __msan_get_origin(&x)); |
| 2919 | __msan_set_origin(&x, sizeof(x), 5678); |
| 2920 | EXPECT_EQ(5678, __msan_get_origin(&x)); |
| 2921 | __msan_set_origin(&x, sizeof(x), 0); |
| 2922 | EXPECT_EQ(0, __msan_get_origin(&x)); |
| 2923 | } |
| 2924 | |
| 2925 | namespace { |
| 2926 | struct S { |
| 2927 | U4 dummy; |
| 2928 | U2 a; |
| 2929 | U2 b; |
| 2930 | }; |
| 2931 | |
| 2932 | // http://code.google.com/p/memory-sanitizer/issues/detail?id=6 |
| 2933 | TEST(MemorySanitizerOrigins, DISABLED_InitializedStoreDoesNotChangeOrigin) { |
| 2934 | if (!TrackingOrigins()) return; |
| 2935 | |
| 2936 | S s; |
Evgeniy Stepanov | 250f221 | 2013-01-30 13:12:08 +0000 | [diff] [blame] | 2937 | U4 origin = rand(); // NOLINT |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 2938 | s.a = *GetPoisonedO<U2>(0, origin); |
| 2939 | EXPECT_EQ(origin, __msan_get_origin(&s.a)); |
| 2940 | EXPECT_EQ(origin, __msan_get_origin(&s.b)); |
| 2941 | |
| 2942 | s.b = 42; |
| 2943 | EXPECT_EQ(origin, __msan_get_origin(&s.a)); |
| 2944 | EXPECT_EQ(origin, __msan_get_origin(&s.b)); |
| 2945 | } |
| 2946 | } // namespace |
| 2947 | |
| 2948 | template<class T, class BinaryOp> |
| 2949 | INLINE |
| 2950 | void BinaryOpOriginTest(BinaryOp op) { |
Evgeniy Stepanov | 250f221 | 2013-01-30 13:12:08 +0000 | [diff] [blame] | 2951 | U4 ox = rand(); //NOLINT |
| 2952 | U4 oy = rand(); //NOLINT |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 2953 | T *x = GetPoisonedO<T>(0, ox, 0); |
| 2954 | T *y = GetPoisonedO<T>(1, oy, 0); |
| 2955 | T *z = GetPoisonedO<T>(2, 0, 0); |
| 2956 | |
| 2957 | *z = op(*x, *y); |
Evgeniy Stepanov | 250f221 | 2013-01-30 13:12:08 +0000 | [diff] [blame] | 2958 | U4 origin = __msan_get_origin(z); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 2959 | EXPECT_POISONED_O(*z, origin); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 2960 | EXPECT_EQ(true, origin == ox || origin == oy); |
| 2961 | |
| 2962 | // y is poisoned, x is not. |
| 2963 | *x = 10101; |
| 2964 | *y = *GetPoisonedO<T>(1, oy); |
Evgeniy Stepanov | 12c4693 | 2013-01-29 14:33:29 +0000 | [diff] [blame] | 2965 | break_optimization(x); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 2966 | __msan_set_origin(z, sizeof(*z), 0); |
| 2967 | *z = op(*x, *y); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 2968 | EXPECT_POISONED_O(*z, oy); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 2969 | EXPECT_EQ(__msan_get_origin(z), oy); |
| 2970 | |
| 2971 | // x is poisoned, y is not. |
| 2972 | *x = *GetPoisonedO<T>(0, ox); |
| 2973 | *y = 10101010; |
Evgeniy Stepanov | 12c4693 | 2013-01-29 14:33:29 +0000 | [diff] [blame] | 2974 | break_optimization(y); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 2975 | __msan_set_origin(z, sizeof(*z), 0); |
| 2976 | *z = op(*x, *y); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 2977 | EXPECT_POISONED_O(*z, ox); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 2978 | EXPECT_EQ(__msan_get_origin(z), ox); |
| 2979 | } |
| 2980 | |
| 2981 | template<class T> INLINE T XOR(const T &a, const T&b) { return a ^ b; } |
| 2982 | template<class T> INLINE T ADD(const T &a, const T&b) { return a + b; } |
| 2983 | template<class T> INLINE T SUB(const T &a, const T&b) { return a - b; } |
| 2984 | template<class T> INLINE T MUL(const T &a, const T&b) { return a * b; } |
| 2985 | template<class T> INLINE T AND(const T &a, const T&b) { return a & b; } |
| 2986 | template<class T> INLINE T OR (const T &a, const T&b) { return a | b; } |
| 2987 | |
| 2988 | TEST(MemorySanitizerOrigins, BinaryOp) { |
| 2989 | if (!TrackingOrigins()) return; |
| 2990 | BinaryOpOriginTest<S8>(XOR<S8>); |
| 2991 | BinaryOpOriginTest<U8>(ADD<U8>); |
| 2992 | BinaryOpOriginTest<S4>(SUB<S4>); |
| 2993 | BinaryOpOriginTest<S4>(MUL<S4>); |
| 2994 | BinaryOpOriginTest<U4>(OR<U4>); |
| 2995 | BinaryOpOriginTest<U4>(AND<U4>); |
| 2996 | BinaryOpOriginTest<double>(ADD<U4>); |
| 2997 | BinaryOpOriginTest<float>(ADD<S4>); |
| 2998 | BinaryOpOriginTest<double>(ADD<double>); |
| 2999 | BinaryOpOriginTest<float>(ADD<double>); |
| 3000 | } |
| 3001 | |
| 3002 | TEST(MemorySanitizerOrigins, Unary) { |
| 3003 | if (!TrackingOrigins()) return; |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 3004 | EXPECT_POISONED_O(*GetPoisonedO<S8>(0, __LINE__), __LINE__); |
| 3005 | EXPECT_POISONED_O(*GetPoisonedO<S8>(0, __LINE__), __LINE__); |
| 3006 | EXPECT_POISONED_O(*GetPoisonedO<S8>(0, __LINE__), __LINE__); |
| 3007 | EXPECT_POISONED_O(*GetPoisonedO<S8>(0, __LINE__), __LINE__); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 3008 | |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 3009 | EXPECT_POISONED_O(*GetPoisonedO<S4>(0, __LINE__), __LINE__); |
| 3010 | EXPECT_POISONED_O(*GetPoisonedO<S4>(0, __LINE__), __LINE__); |
| 3011 | EXPECT_POISONED_O(*GetPoisonedO<S4>(0, __LINE__), __LINE__); |
| 3012 | EXPECT_POISONED_O(*GetPoisonedO<S4>(0, __LINE__), __LINE__); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 3013 | |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 3014 | EXPECT_POISONED_O(*GetPoisonedO<U4>(0, __LINE__), __LINE__); |
| 3015 | EXPECT_POISONED_O(*GetPoisonedO<U4>(0, __LINE__), __LINE__); |
| 3016 | EXPECT_POISONED_O(*GetPoisonedO<U4>(0, __LINE__), __LINE__); |
| 3017 | EXPECT_POISONED_O(*GetPoisonedO<U4>(0, __LINE__), __LINE__); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 3018 | |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 3019 | EXPECT_POISONED_O(*GetPoisonedO<S4>(0, __LINE__), __LINE__); |
| 3020 | EXPECT_POISONED_O(*GetPoisonedO<S4>(0, __LINE__), __LINE__); |
| 3021 | EXPECT_POISONED_O(*GetPoisonedO<S4>(0, __LINE__), __LINE__); |
| 3022 | EXPECT_POISONED_O(*GetPoisonedO<S4>(0, __LINE__), __LINE__); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 3023 | |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 3024 | EXPECT_POISONED_O((void*)*GetPoisonedO<S8>(0, __LINE__), __LINE__); |
| 3025 | EXPECT_POISONED_O((U8)*GetPoisonedO<void*>(0, __LINE__), __LINE__); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 3026 | } |
| 3027 | |
| 3028 | TEST(MemorySanitizerOrigins, EQ) { |
| 3029 | if (!TrackingOrigins()) return; |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 3030 | EXPECT_POISONED_O(*GetPoisonedO<S4>(0, __LINE__) <= 11, __LINE__); |
| 3031 | EXPECT_POISONED_O(*GetPoisonedO<S4>(0, __LINE__) == 11, __LINE__); |
| 3032 | EXPECT_POISONED_O(*GetPoisonedO<float>(0, __LINE__) == 1.1, __LINE__); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 3033 | } |
| 3034 | |
| 3035 | TEST(MemorySanitizerOrigins, DIV) { |
| 3036 | if (!TrackingOrigins()) return; |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 3037 | EXPECT_POISONED_O(*GetPoisonedO<U8>(0, __LINE__) / 100, __LINE__); |
| 3038 | unsigned o = __LINE__; |
| 3039 | 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] | 3040 | } |
| 3041 | |
| 3042 | TEST(MemorySanitizerOrigins, SHIFT) { |
| 3043 | if (!TrackingOrigins()) return; |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 3044 | EXPECT_POISONED_O(*GetPoisonedO<U8>(0, __LINE__) >> 10, __LINE__); |
| 3045 | EXPECT_POISONED_O(*GetPoisonedO<S8>(0, __LINE__) >> 10, __LINE__); |
| 3046 | EXPECT_POISONED_O(*GetPoisonedO<S8>(0, __LINE__) << 10, __LINE__); |
| 3047 | EXPECT_POISONED_O(10U << *GetPoisonedO<U8>(0, __LINE__), __LINE__); |
| 3048 | EXPECT_POISONED_O(-10 >> *GetPoisonedO<S8>(0, __LINE__), __LINE__); |
| 3049 | EXPECT_POISONED_O(-10 << *GetPoisonedO<S8>(0, __LINE__), __LINE__); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 3050 | } |
| 3051 | |
| 3052 | template<class T, int N> |
| 3053 | void MemCpyTest() { |
| 3054 | int ox = __LINE__; |
| 3055 | T *x = new T[N]; |
| 3056 | T *y = new T[N]; |
| 3057 | T *z = new T[N]; |
Evgeniy Stepanov | 353c996 | 2013-07-02 14:49:24 +0000 | [diff] [blame] | 3058 | T *q = new T[N]; |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 3059 | __msan_poison(x, N * sizeof(T)); |
| 3060 | __msan_set_origin(x, N * sizeof(T), ox); |
| 3061 | __msan_set_origin(y, N * sizeof(T), 777777); |
| 3062 | __msan_set_origin(z, N * sizeof(T), 888888); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 3063 | EXPECT_NOT_POISONED(x); |
| 3064 | memcpy(y, x, N * sizeof(T)); |
| 3065 | EXPECT_POISONED_O(y[0], ox); |
| 3066 | EXPECT_POISONED_O(y[N/2], ox); |
| 3067 | EXPECT_POISONED_O(y[N-1], ox); |
| 3068 | EXPECT_NOT_POISONED(x); |
Evgeniy Stepanov | 353c996 | 2013-07-02 14:49:24 +0000 | [diff] [blame] | 3069 | void *res = mempcpy(q, x, N * sizeof(T)); |
| 3070 | ASSERT_EQ(q + N, res); |
| 3071 | EXPECT_POISONED_O(q[0], ox); |
| 3072 | EXPECT_POISONED_O(q[N/2], ox); |
| 3073 | EXPECT_POISONED_O(q[N-1], ox); |
| 3074 | EXPECT_NOT_POISONED(x); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 3075 | memmove(z, x, N * sizeof(T)); |
| 3076 | EXPECT_POISONED_O(z[0], ox); |
| 3077 | EXPECT_POISONED_O(z[N/2], ox); |
| 3078 | EXPECT_POISONED_O(z[N-1], ox); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 3079 | } |
| 3080 | |
| 3081 | TEST(MemorySanitizerOrigins, LargeMemCpy) { |
| 3082 | if (!TrackingOrigins()) return; |
| 3083 | MemCpyTest<U1, 10000>(); |
| 3084 | MemCpyTest<U8, 10000>(); |
| 3085 | } |
| 3086 | |
| 3087 | TEST(MemorySanitizerOrigins, SmallMemCpy) { |
| 3088 | if (!TrackingOrigins()) return; |
| 3089 | MemCpyTest<U8, 1>(); |
| 3090 | MemCpyTest<U8, 2>(); |
| 3091 | MemCpyTest<U8, 3>(); |
| 3092 | } |
| 3093 | |
| 3094 | TEST(MemorySanitizerOrigins, Select) { |
| 3095 | if (!TrackingOrigins()) return; |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 3096 | EXPECT_NOT_POISONED(g_one ? 1 : *GetPoisonedO<S4>(0, __LINE__)); |
| 3097 | EXPECT_POISONED_O(*GetPoisonedO<S4>(0, __LINE__), __LINE__); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 3098 | S4 x; |
Evgeniy Stepanov | 12c4693 | 2013-01-29 14:33:29 +0000 | [diff] [blame] | 3099 | break_optimization(&x); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 3100 | x = g_1 ? *GetPoisonedO<S4>(0, __LINE__) : 0; |
| 3101 | |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 3102 | EXPECT_POISONED_O(g_1 ? *GetPoisonedO<S4>(0, __LINE__) : 1, __LINE__); |
| 3103 | EXPECT_POISONED_O(g_0 ? 1 : *GetPoisonedO<S4>(0, __LINE__), __LINE__); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 3104 | } |
| 3105 | |
| 3106 | extern "C" |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 3107 | NOINLINE char AllocaTO() { |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 3108 | int ar[100]; |
Evgeniy Stepanov | 12c4693 | 2013-01-29 14:33:29 +0000 | [diff] [blame] | 3109 | break_optimization(ar); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 3110 | return ar[10]; |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 3111 | // fprintf(stderr, "Descr: %s\n", |
| 3112 | // __msan_get_origin_descr_if_stack(__msan_get_origin_tls())); |
| 3113 | } |
| 3114 | |
| 3115 | TEST(MemorySanitizerOrigins, Alloca) { |
| 3116 | if (!TrackingOrigins()) return; |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 3117 | EXPECT_POISONED_S(AllocaTO(), "ar@AllocaTO"); |
| 3118 | EXPECT_POISONED_S(AllocaTO(), "ar@AllocaTO"); |
| 3119 | EXPECT_POISONED_S(AllocaTO(), "ar@AllocaTO"); |
| 3120 | EXPECT_POISONED_S(AllocaTO(), "ar@AllocaTO"); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 3121 | } |
| 3122 | |
| 3123 | // FIXME: replace with a lit-like test. |
| 3124 | TEST(MemorySanitizerOrigins, DISABLED_AllocaDeath) { |
| 3125 | if (!TrackingOrigins()) return; |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 3126 | EXPECT_DEATH(AllocaTO(), "ORIGIN: stack allocation: ar@AllocaTO"); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 3127 | } |
| 3128 | |
Evgeniy Stepanov | 250f221 | 2013-01-30 13:12:08 +0000 | [diff] [blame] | 3129 | NOINLINE int RetvalOriginTest(U4 origin) { |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 3130 | int *a = new int; |
Evgeniy Stepanov | 12c4693 | 2013-01-29 14:33:29 +0000 | [diff] [blame] | 3131 | break_optimization(a); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 3132 | __msan_set_origin(a, sizeof(*a), origin); |
| 3133 | int res = *a; |
| 3134 | delete a; |
| 3135 | return res; |
| 3136 | } |
| 3137 | |
| 3138 | TEST(MemorySanitizerOrigins, Retval) { |
| 3139 | if (!TrackingOrigins()) return; |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 3140 | EXPECT_POISONED_O(RetvalOriginTest(__LINE__), __LINE__); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 3141 | } |
| 3142 | |
Evgeniy Stepanov | 250f221 | 2013-01-30 13:12:08 +0000 | [diff] [blame] | 3143 | NOINLINE void ParamOriginTest(int param, U4 origin) { |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 3144 | EXPECT_POISONED_O(param, origin); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 3145 | } |
| 3146 | |
| 3147 | TEST(MemorySanitizerOrigins, Param) { |
| 3148 | if (!TrackingOrigins()) return; |
| 3149 | int *a = new int; |
Evgeniy Stepanov | 250f221 | 2013-01-30 13:12:08 +0000 | [diff] [blame] | 3150 | U4 origin = __LINE__; |
Evgeniy Stepanov | 12c4693 | 2013-01-29 14:33:29 +0000 | [diff] [blame] | 3151 | break_optimization(a); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 3152 | __msan_set_origin(a, sizeof(*a), origin); |
| 3153 | ParamOriginTest(*a, origin); |
| 3154 | delete a; |
| 3155 | } |
| 3156 | |
| 3157 | TEST(MemorySanitizerOrigins, Invoke) { |
| 3158 | if (!TrackingOrigins()) return; |
| 3159 | StructWithDtor s; // Will cause the calls to become invokes. |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 3160 | EXPECT_POISONED_O(RetvalOriginTest(__LINE__), __LINE__); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 3161 | } |
| 3162 | |
| 3163 | TEST(MemorySanitizerOrigins, strlen) { |
| 3164 | S8 alignment; |
Evgeniy Stepanov | 12c4693 | 2013-01-29 14:33:29 +0000 | [diff] [blame] | 3165 | break_optimization(&alignment); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 3166 | char x[4] = {'a', 'b', 0, 0}; |
| 3167 | __msan_poison(&x[2], 1); |
Evgeniy Stepanov | 250f221 | 2013-01-30 13:12:08 +0000 | [diff] [blame] | 3168 | U4 origin = __LINE__; |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 3169 | __msan_set_origin(x, sizeof(x), origin); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 3170 | EXPECT_UMR_O(volatile unsigned y = strlen(x), origin); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 3171 | } |
| 3172 | |
| 3173 | TEST(MemorySanitizerOrigins, wcslen) { |
| 3174 | wchar_t w[3] = {'a', 'b', 0}; |
Evgeniy Stepanov | 250f221 | 2013-01-30 13:12:08 +0000 | [diff] [blame] | 3175 | U4 origin = __LINE__; |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 3176 | __msan_set_origin(w, sizeof(w), origin); |
| 3177 | __msan_poison(&w[2], sizeof(wchar_t)); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 3178 | EXPECT_UMR_O(volatile unsigned y = wcslen(w), origin); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 3179 | } |
| 3180 | |
| 3181 | #if MSAN_HAS_M128 |
| 3182 | TEST(MemorySanitizerOrigins, StoreIntrinsic) { |
| 3183 | __m128 x, y; |
Evgeniy Stepanov | 250f221 | 2013-01-30 13:12:08 +0000 | [diff] [blame] | 3184 | U4 origin = __LINE__; |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 3185 | __msan_set_origin(&x, sizeof(x), origin); |
| 3186 | __msan_poison(&x, sizeof(x)); |
| 3187 | __builtin_ia32_storeups((float*)&y, x); |
Evgeniy Stepanov | 1192900 | 2013-01-22 12:29:00 +0000 | [diff] [blame] | 3188 | EXPECT_POISONED_O(y, origin); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 3189 | } |
| 3190 | #endif |
| 3191 | |
| 3192 | NOINLINE void RecursiveMalloc(int depth) { |
| 3193 | static int count; |
| 3194 | count++; |
| 3195 | if ((count % (1024 * 1024)) == 0) |
| 3196 | printf("RecursiveMalloc: %d\n", count); |
| 3197 | int *x1 = new int; |
| 3198 | int *x2 = new int; |
Evgeniy Stepanov | 12c4693 | 2013-01-29 14:33:29 +0000 | [diff] [blame] | 3199 | break_optimization(x1); |
| 3200 | break_optimization(x2); |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 3201 | if (depth > 0) { |
| 3202 | RecursiveMalloc(depth-1); |
| 3203 | RecursiveMalloc(depth-1); |
| 3204 | } |
| 3205 | delete x1; |
| 3206 | delete x2; |
| 3207 | } |
| 3208 | |
Evgeniy Stepanov | 2040604 | 2013-09-03 10:05:45 +0000 | [diff] [blame] | 3209 | TEST(MemorySanitizer, Select) { |
| 3210 | int x; |
| 3211 | int volatile* p = &x; |
| 3212 | int z = *p ? 1 : 0; |
| 3213 | EXPECT_POISONED(z); |
| 3214 | } |
| 3215 | |
Evgeniy Stepanov | 0231c50 | 2012-12-25 12:39:56 +0000 | [diff] [blame] | 3216 | TEST(MemorySanitizerStress, DISABLED_MallocStackTrace) { |
| 3217 | RecursiveMalloc(22); |
| 3218 | } |
Evgeniy Stepanov | 5c48a8c | 2013-08-02 14:26:58 +0000 | [diff] [blame] | 3219 | |
| 3220 | TEST(MemorySanitizerAllocator, get_estimated_allocated_size) { |
| 3221 | size_t sizes[] = {0, 20, 5000, 1<<20}; |
| 3222 | for (size_t i = 0; i < sizeof(sizes) / sizeof(*sizes); ++i) { |
| 3223 | size_t alloc_size = __msan_get_estimated_allocated_size(sizes[i]); |
| 3224 | EXPECT_EQ(alloc_size, sizes[i]); |
| 3225 | } |
| 3226 | } |
| 3227 | |
| 3228 | TEST(MemorySanitizerAllocator, get_allocated_size_and_ownership) { |
| 3229 | char *array = reinterpret_cast<char*>(malloc(100)); |
| 3230 | int *int_ptr = new int; |
| 3231 | |
| 3232 | EXPECT_TRUE(__msan_get_ownership(array)); |
| 3233 | EXPECT_EQ(100, __msan_get_allocated_size(array)); |
| 3234 | |
| 3235 | EXPECT_TRUE(__msan_get_ownership(int_ptr)); |
| 3236 | EXPECT_EQ(sizeof(*int_ptr), __msan_get_allocated_size(int_ptr)); |
| 3237 | |
| 3238 | void *wild_addr = reinterpret_cast<void*>(0x1); |
| 3239 | EXPECT_FALSE(__msan_get_ownership(wild_addr)); |
| 3240 | EXPECT_EQ(0, __msan_get_allocated_size(wild_addr)); |
| 3241 | |
| 3242 | EXPECT_FALSE(__msan_get_ownership(array + 50)); |
| 3243 | EXPECT_EQ(0, __msan_get_allocated_size(array + 50)); |
| 3244 | |
| 3245 | // NULL is a valid argument for GetAllocatedSize but is not owned. |
| 3246 | EXPECT_FALSE(__msan_get_ownership(NULL)); |
| 3247 | EXPECT_EQ(0, __msan_get_allocated_size(NULL)); |
| 3248 | |
| 3249 | free(array); |
| 3250 | EXPECT_FALSE(__msan_get_ownership(array)); |
| 3251 | EXPECT_EQ(0, __msan_get_allocated_size(array)); |
| 3252 | |
| 3253 | delete int_ptr; |
| 3254 | } |