1b0ddf227b25388ad836e560c00f0aec84026b0e5Alexey Samsonov//===-- asan_test.cc ------------------------------------------------------===// 21e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// 31e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// The LLVM Compiler Infrastructure 41e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// 51e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// This file is distributed under the University of Illinois Open Source 61e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// License. See LICENSE.TXT for details. 71e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// 81e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany//===----------------------------------------------------------------------===// 91e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// 101e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// This file is a part of AddressSanitizer, an address sanity checker. 111e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// 121e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany//===----------------------------------------------------------------------===// 131e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#include "asan_test_utils.h" 141e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 15938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE void *malloc_fff(size_t size) { 161e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany void *res = malloc/**/(size); break_optimization(0); return res;} 17938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE void *malloc_eee(size_t size) { 181e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany void *res = malloc_fff(size); break_optimization(0); return res;} 19938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE void *malloc_ddd(size_t size) { 201e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany void *res = malloc_eee(size); break_optimization(0); return res;} 21938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE void *malloc_ccc(size_t size) { 221e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany void *res = malloc_ddd(size); break_optimization(0); return res;} 23938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE void *malloc_bbb(size_t size) { 241e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany void *res = malloc_ccc(size); break_optimization(0); return res;} 25938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE void *malloc_aaa(size_t size) { 261e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany void *res = malloc_bbb(size); break_optimization(0); return res;} 271e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 28938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE void free_ccc(void *p) { free(p); break_optimization(0);} 29938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE void free_bbb(void *p) { free_ccc(p); break_optimization(0);} 30938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE void free_aaa(void *p) { free_bbb(p); break_optimization(0);} 311e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 322dcf44991a8ec1ca7c8051eb27c5ff158530bdc3Timur Iskhodzhanovtemplate<typename T> 33938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE void uaf_test(int size, int off) { 341e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *p = (char *)malloc_aaa(size); 351e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free_aaa(p); 361e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (int i = 1; i < 100; i++) 371e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free_aaa(malloc_aaa(i)); 381e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany fprintf(stderr, "writing %ld byte(s) at %p with offset %d\n", 391e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany (long)sizeof(T), p, off); 401e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany asan_write((T*)(p + off)); 411e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 421e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 4313ebae606b526399771e9cca1d6a9d24458ad0f1Kostya SerebryanyTEST(AddressSanitizer, HasFeatureAddressSanitizerTest) { 4413ebae606b526399771e9cca1d6a9d24458ad0f1Kostya Serebryany#if defined(__has_feature) && __has_feature(address_sanitizer) 4513ebae606b526399771e9cca1d6a9d24458ad0f1Kostya Serebryany bool asan = 1; 46badab16503e025326a46a45da8faa6fd20e5fc3dKostya Serebryany#elif defined(__SANITIZE_ADDRESS__) 47badab16503e025326a46a45da8faa6fd20e5fc3dKostya Serebryany bool asan = 1; 4813ebae606b526399771e9cca1d6a9d24458ad0f1Kostya Serebryany#else 4913ebae606b526399771e9cca1d6a9d24458ad0f1Kostya Serebryany bool asan = 0; 5013ebae606b526399771e9cca1d6a9d24458ad0f1Kostya Serebryany#endif 5113ebae606b526399771e9cca1d6a9d24458ad0f1Kostya Serebryany EXPECT_EQ(true, asan); 521e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 531e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 541e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, SimpleDeathTest) { 551e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(exit(1), ""); 561e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 571e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 581e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, VariousMallocsTest) { 591e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *a = (int*)malloc(100 * sizeof(int)); 601e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany a[50] = 0; 611e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(a); 621e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 631e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *r = (int*)malloc(10); 641e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany r = (int*)realloc(r, 2000 * sizeof(int)); 651e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany r[1000] = 0; 661e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(r); 671e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 681e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *b = new int[100]; 691e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany b[50] = 0; 701e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany delete [] b; 711e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 721e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *c = new int; 731e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany *c = 0; 741e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany delete c; 751e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 762d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines#if SANITIZER_TEST_HAS_POSIX_MEMALIGN 771e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *pm; 781e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int pm_res = posix_memalign((void**)&pm, kPageSize, kPageSize); 791e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_EQ(0, pm_res); 801e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(pm); 812d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines#endif // SANITIZER_TEST_HAS_POSIX_MEMALIGN 821e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 832d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines#if SANITIZER_TEST_HAS_MEMALIGN 841e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *ma = (int*)memalign(kPageSize, kPageSize); 8576e842845c927e92c2c21c41ac51e364fa17528cAlexey Samsonov EXPECT_EQ(0U, (uintptr_t)ma % kPageSize); 861e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany ma[123] = 0; 871e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(ma); 882d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines#endif // SANITIZER_TEST_HAS_MEMALIGN 891e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 901e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 911e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, CallocTest) { 921e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *a = (int*)calloc(100, sizeof(int)); 931e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_EQ(0, a[10]); 941e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(a); 951e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 961e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 9705fa3808f6ac96023cdf583a1a1b7220e5b451b8Alexey SamsonovTEST(AddressSanitizer, CallocReturnsZeroMem) { 9805fa3808f6ac96023cdf583a1a1b7220e5b451b8Alexey Samsonov size_t sizes[] = {16, 1000, 10000, 100000, 2100000}; 9905fa3808f6ac96023cdf583a1a1b7220e5b451b8Alexey Samsonov for (size_t s = 0; s < sizeof(sizes)/sizeof(sizes[0]); s++) { 10005fa3808f6ac96023cdf583a1a1b7220e5b451b8Alexey Samsonov size_t size = sizes[s]; 10105fa3808f6ac96023cdf583a1a1b7220e5b451b8Alexey Samsonov for (size_t iter = 0; iter < 5; iter++) { 10205fa3808f6ac96023cdf583a1a1b7220e5b451b8Alexey Samsonov char *x = Ident((char*)calloc(1, size)); 10305fa3808f6ac96023cdf583a1a1b7220e5b451b8Alexey Samsonov EXPECT_EQ(x[0], 0); 10405fa3808f6ac96023cdf583a1a1b7220e5b451b8Alexey Samsonov EXPECT_EQ(x[size - 1], 0); 10505fa3808f6ac96023cdf583a1a1b7220e5b451b8Alexey Samsonov EXPECT_EQ(x[size / 2], 0); 10605fa3808f6ac96023cdf583a1a1b7220e5b451b8Alexey Samsonov EXPECT_EQ(x[size / 3], 0); 10705fa3808f6ac96023cdf583a1a1b7220e5b451b8Alexey Samsonov EXPECT_EQ(x[size / 4], 0); 10805fa3808f6ac96023cdf583a1a1b7220e5b451b8Alexey Samsonov memset(x, 0x42, size); 10905fa3808f6ac96023cdf583a1a1b7220e5b451b8Alexey Samsonov free(Ident(x)); 1102d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines#if !defined(_WIN32) 1112d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines // FIXME: OOM on Windows. We should just make this a lit test 1122d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines // with quarantine size set to 1. 11305fa3808f6ac96023cdf583a1a1b7220e5b451b8Alexey Samsonov free(Ident(malloc(Ident(1 << 27)))); // Try to drain the quarantine. 1142d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines#endif 11505fa3808f6ac96023cdf583a1a1b7220e5b451b8Alexey Samsonov } 11605fa3808f6ac96023cdf583a1a1b7220e5b451b8Alexey Samsonov } 11705fa3808f6ac96023cdf583a1a1b7220e5b451b8Alexey Samsonov} 11805fa3808f6ac96023cdf583a1a1b7220e5b451b8Alexey Samsonov 11931a5cd83406be83bcdb91df03e16816e3af8c615Dan Albert// No valloc on Windows or Android. 12031a5cd83406be83bcdb91df03e16816e3af8c615Dan Albert#if !defined(_WIN32) && !defined(ANDROID) && !defined(__ANDROID__) 1211e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, VallocTest) { 1221e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany void *a = valloc(100); 12376e842845c927e92c2c21c41ac51e364fa17528cAlexey Samsonov EXPECT_EQ(0U, (uintptr_t)a % kPageSize); 1241e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(a); 1251e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 1262d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines#endif 1271e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 1282d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines#if SANITIZER_TEST_HAS_PVALLOC 1291e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, PvallocTest) { 1301e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *a = (char*)pvalloc(kPageSize + 100); 13176e842845c927e92c2c21c41ac51e364fa17528cAlexey Samsonov EXPECT_EQ(0U, (uintptr_t)a % kPageSize); 1321e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany a[kPageSize + 101] = 1; // we should not report an error here. 1331e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(a); 1341e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 1351e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany a = (char*)pvalloc(0); // pvalloc(0) should allocate at least one page. 13676e842845c927e92c2c21c41ac51e364fa17528cAlexey Samsonov EXPECT_EQ(0U, (uintptr_t)a % kPageSize); 1371e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany a[101] = 1; // we should not report an error here. 1381e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(a); 1391e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 1402d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines#endif // SANITIZER_TEST_HAS_PVALLOC 1411e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 1422d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines#if !defined(_WIN32) 1432d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines// FIXME: Use an equivalent of pthread_setspecific on Windows. 1441e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyvoid *TSDWorker(void *test_key) { 1451e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany if (test_key) { 1461e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_setspecific(*(pthread_key_t*)test_key, (void*)0xfeedface); 1471e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 1481e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany return NULL; 1491e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 1501e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 1511e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyvoid TSDDestructor(void *tsd) { 1521e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Spawning a thread will check that the current thread id is not -1. 1531e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_t th; 1542697687059e64a4f1319dc23a0a3ca59982d53f6Kostya Serebryany PTHREAD_CREATE(&th, NULL, TSDWorker, NULL); 1552697687059e64a4f1319dc23a0a3ca59982d53f6Kostya Serebryany PTHREAD_JOIN(th, NULL); 1561e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 1571e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 1581e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// This tests triggers the thread-specific data destruction fiasco which occurs 1591e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// if we don't manage the TSD destructors ourselves. We create a new pthread 1601e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// key with a non-NULL destructor which is likely to be put after the destructor 1611e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// of AsanThread in the list of destructors. 1621e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// In this case the TSD for AsanThread will be destroyed before TSDDestructor 1631e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// is called for the child thread, and a CHECK will fail when we call 1641e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// pthread_create() to spawn the grandchild. 1651e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, DISABLED_TSDTest) { 1661e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_t th; 1671e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_key_t test_key; 1681e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_key_create(&test_key, TSDDestructor); 1692697687059e64a4f1319dc23a0a3ca59982d53f6Kostya Serebryany PTHREAD_CREATE(&th, NULL, TSDWorker, &test_key); 1702697687059e64a4f1319dc23a0a3ca59982d53f6Kostya Serebryany PTHREAD_JOIN(th, NULL); 1711e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_key_delete(test_key); 1721e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 1732d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines#endif 1741e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 1751e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, UAF_char) { 176ca9b5dd9922fb7f6e0ca06dbba7db7398b8997f1Kostya Serebryany const char *uaf_string = "AddressSanitizer:.*heap-use-after-free"; 1771e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(uaf_test<U1>(1, 0), uaf_string); 1781e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(uaf_test<U1>(10, 0), uaf_string); 1791e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(uaf_test<U1>(10, 10), uaf_string); 1801e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(uaf_test<U1>(kLargeMalloc, 0), uaf_string); 1811e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(uaf_test<U1>(kLargeMalloc, kLargeMalloc / 2), uaf_string); 1821e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 1831e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 184366984e3aa286f7b4fb45f5c9e703f2768c407edKostya SerebryanyTEST(AddressSanitizer, UAF_long_double) { 1857f4df1a0e1e1b2ace94d4d78b03c222887dbb00cKostya Serebryany if (sizeof(long double) == sizeof(double)) return; 186366984e3aa286f7b4fb45f5c9e703f2768c407edKostya Serebryany long double *p = Ident(new long double[10]); 1872d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines EXPECT_DEATH(Ident(p)[12] = 0, "WRITE of size 1[026]"); 1882d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines EXPECT_DEATH(Ident(p)[0] = Ident(p)[12], "READ of size 1[026]"); 189366984e3aa286f7b4fb45f5c9e703f2768c407edKostya Serebryany delete [] Ident(p); 190366984e3aa286f7b4fb45f5c9e703f2768c407edKostya Serebryany} 191366984e3aa286f7b4fb45f5c9e703f2768c407edKostya Serebryany 1922d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines#if !defined(_WIN32) 193366984e3aa286f7b4fb45f5c9e703f2768c407edKostya Serebryanystruct Packed5 { 194366984e3aa286f7b4fb45f5c9e703f2768c407edKostya Serebryany int x; 195366984e3aa286f7b4fb45f5c9e703f2768c407edKostya Serebryany char c; 196366984e3aa286f7b4fb45f5c9e703f2768c407edKostya Serebryany} __attribute__((packed)); 1972d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines#else 1982d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines# pragma pack(push, 1) 1992d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hinesstruct Packed5 { 2002d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines int x; 2012d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines char c; 2022d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines}; 2032d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines# pragma pack(pop) 2042d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines#endif 205366984e3aa286f7b4fb45f5c9e703f2768c407edKostya Serebryany 206366984e3aa286f7b4fb45f5c9e703f2768c407edKostya SerebryanyTEST(AddressSanitizer, UAF_Packed5) { 2072d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines static_assert(sizeof(Packed5) == 5, "Please check the keywords used"); 208366984e3aa286f7b4fb45f5c9e703f2768c407edKostya Serebryany Packed5 *p = Ident(new Packed5[2]); 209366984e3aa286f7b4fb45f5c9e703f2768c407edKostya Serebryany EXPECT_DEATH(p[0] = p[3], "READ of size 5"); 210366984e3aa286f7b4fb45f5c9e703f2768c407edKostya Serebryany EXPECT_DEATH(p[3] = p[0], "WRITE of size 5"); 211366984e3aa286f7b4fb45f5c9e703f2768c407edKostya Serebryany delete [] Ident(p); 212366984e3aa286f7b4fb45f5c9e703f2768c407edKostya Serebryany} 213366984e3aa286f7b4fb45f5c9e703f2768c407edKostya Serebryany 2141e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#if ASAN_HAS_BLACKLIST 2151e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, IgnoreTest) { 2161e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *x = Ident(new int); 2171e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany delete Ident(x); 2181e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany *x = 0; 2191e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 2201e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#endif // ASAN_HAS_BLACKLIST 2211e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 2221e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanystruct StructWithBitField { 2231e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int bf1:1; 2241e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int bf2:1; 2251e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int bf3:1; 2261e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int bf4:29; 2271e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany}; 2281e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 2291e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, BitFieldPositiveTest) { 2301e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany StructWithBitField *x = new StructWithBitField; 2311e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany delete Ident(x); 2321e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(x->bf1 = 0, "use-after-free"); 2331e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(x->bf2 = 0, "use-after-free"); 2341e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(x->bf3 = 0, "use-after-free"); 2351e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(x->bf4 = 0, "use-after-free"); 23676e842845c927e92c2c21c41ac51e364fa17528cAlexey Samsonov} 2371e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 2381e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanystruct StructWithBitFields_8_24 { 2391e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int a:8; 2401e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int b:24; 2411e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany}; 2421e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 2431e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, BitFieldNegativeTest) { 2441e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany StructWithBitFields_8_24 *x = Ident(new StructWithBitFields_8_24); 2451e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x->a = 0; 2461e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x->b = 0; 2471e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany delete Ident(x); 2481e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 2491e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 2501e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#if ASAN_NEEDS_SEGV 25158b017bb286a8f4413a9348d2c87c52de38cff6dAlexander Potapenkonamespace { 25258b017bb286a8f4413a9348d2c87c52de38cff6dAlexander Potapenko 253ca9b5dd9922fb7f6e0ca06dbba7db7398b8997f1Kostya Serebryanyconst char kUnknownCrash[] = "AddressSanitizer: SEGV on unknown address"; 25458b017bb286a8f4413a9348d2c87c52de38cff6dAlexander Potapenkoconst char kOverriddenHandler[] = "ASan signal handler has been overridden\n"; 25558b017bb286a8f4413a9348d2c87c52de38cff6dAlexander Potapenko 2561e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, WildAddressTest) { 2571e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *c = (char*)0x123; 25858b017bb286a8f4413a9348d2c87c52de38cff6dAlexander Potapenko EXPECT_DEATH(*c = 0, kUnknownCrash); 25958b017bb286a8f4413a9348d2c87c52de38cff6dAlexander Potapenko} 26058b017bb286a8f4413a9348d2c87c52de38cff6dAlexander Potapenko 26158b017bb286a8f4413a9348d2c87c52de38cff6dAlexander Potapenkovoid my_sigaction_sighandler(int, siginfo_t*, void*) { 26258b017bb286a8f4413a9348d2c87c52de38cff6dAlexander Potapenko fprintf(stderr, kOverriddenHandler); 26358b017bb286a8f4413a9348d2c87c52de38cff6dAlexander Potapenko exit(1); 26458b017bb286a8f4413a9348d2c87c52de38cff6dAlexander Potapenko} 26558b017bb286a8f4413a9348d2c87c52de38cff6dAlexander Potapenko 266b0ddf227b25388ad836e560c00f0aec84026b0e5Alexey Samsonovvoid my_signal_sighandler(int signum) { 26758b017bb286a8f4413a9348d2c87c52de38cff6dAlexander Potapenko fprintf(stderr, kOverriddenHandler); 26858b017bb286a8f4413a9348d2c87c52de38cff6dAlexander Potapenko exit(1); 26958b017bb286a8f4413a9348d2c87c52de38cff6dAlexander Potapenko} 27058b017bb286a8f4413a9348d2c87c52de38cff6dAlexander Potapenko 27158b017bb286a8f4413a9348d2c87c52de38cff6dAlexander PotapenkoTEST(AddressSanitizer, SignalTest) { 27258b017bb286a8f4413a9348d2c87c52de38cff6dAlexander Potapenko struct sigaction sigact; 27358b017bb286a8f4413a9348d2c87c52de38cff6dAlexander Potapenko memset(&sigact, 0, sizeof(sigact)); 27458b017bb286a8f4413a9348d2c87c52de38cff6dAlexander Potapenko sigact.sa_sigaction = my_sigaction_sighandler; 27558b017bb286a8f4413a9348d2c87c52de38cff6dAlexander Potapenko sigact.sa_flags = SA_SIGINFO; 27658b017bb286a8f4413a9348d2c87c52de38cff6dAlexander Potapenko // ASan should silently ignore sigaction()... 27758b017bb286a8f4413a9348d2c87c52de38cff6dAlexander Potapenko EXPECT_EQ(0, sigaction(SIGSEGV, &sigact, 0)); 27858b017bb286a8f4413a9348d2c87c52de38cff6dAlexander Potapenko#ifdef __APPLE__ 27958b017bb286a8f4413a9348d2c87c52de38cff6dAlexander Potapenko EXPECT_EQ(0, sigaction(SIGBUS, &sigact, 0)); 28058b017bb286a8f4413a9348d2c87c52de38cff6dAlexander Potapenko#endif 28158b017bb286a8f4413a9348d2c87c52de38cff6dAlexander Potapenko char *c = (char*)0x123; 28258b017bb286a8f4413a9348d2c87c52de38cff6dAlexander Potapenko EXPECT_DEATH(*c = 0, kUnknownCrash); 28358b017bb286a8f4413a9348d2c87c52de38cff6dAlexander Potapenko // ... and signal(). 28458b017bb286a8f4413a9348d2c87c52de38cff6dAlexander Potapenko EXPECT_EQ(0, signal(SIGSEGV, my_signal_sighandler)); 28558b017bb286a8f4413a9348d2c87c52de38cff6dAlexander Potapenko EXPECT_DEATH(*c = 0, kUnknownCrash); 28658b017bb286a8f4413a9348d2c87c52de38cff6dAlexander Potapenko} 287b0ddf227b25388ad836e560c00f0aec84026b0e5Alexey Samsonov} // namespace 2881e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#endif 2891e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 2901e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanystatic void TestLargeMalloc(size_t size) { 2911e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char buff[1024]; 2921e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany sprintf(buff, "is located 1 bytes to the left of %lu-byte", (long)size); 2931e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident((char*)malloc(size))[-1] = 0, buff); 2941e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 2951e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 2961e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, LargeMallocTest) { 29700545a3625aaa765eef2da9b3e197a0e00e94550Evgeniy Stepanov const int max_size = (SANITIZER_WORDSIZE == 32) ? 1 << 26 : 1 << 28; 29800545a3625aaa765eef2da9b3e197a0e00e94550Evgeniy Stepanov for (int i = 113; i < max_size; i = i * 2 + 13) { 2991e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany TestLargeMalloc(i); 3001e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 3011e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 3021e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 3031e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, HugeMallocTest) { 3042d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines if (SANITIZER_WORDSIZE != 64 || ASAN_AVOID_EXPENSIVE_TESTS) return; 305d39a34ee33aae73fdde065f784bdc19f67b91ae2Kostya Serebryany size_t n_megs = 4100; 3062d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines EXPECT_DEATH(Ident((char*)malloc(n_megs << 20))[-1] = 0, 3072d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines "is located 1 bytes to the left|" 3082d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines "AddressSanitizer failed to allocate"); 3091e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 3101e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 3112d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines#if SANITIZER_TEST_HAS_MEMALIGN 312c311105fd64219bb96b6467c3707ebda355be87bKostya Serebryanyvoid MemalignRun(size_t align, size_t size, int idx) { 313c311105fd64219bb96b6467c3707ebda355be87bKostya Serebryany char *p = (char *)memalign(align, size); 314c311105fd64219bb96b6467c3707ebda355be87bKostya Serebryany Ident(p)[idx] = 0; 315c311105fd64219bb96b6467c3707ebda355be87bKostya Serebryany free(p); 316c311105fd64219bb96b6467c3707ebda355be87bKostya Serebryany} 317c311105fd64219bb96b6467c3707ebda355be87bKostya Serebryany 318c311105fd64219bb96b6467c3707ebda355be87bKostya SerebryanyTEST(AddressSanitizer, memalign) { 319c311105fd64219bb96b6467c3707ebda355be87bKostya Serebryany for (int align = 16; align <= (1 << 23); align *= 2) { 320c311105fd64219bb96b6467c3707ebda355be87bKostya Serebryany size_t size = align * 5; 321c311105fd64219bb96b6467c3707ebda355be87bKostya Serebryany EXPECT_DEATH(MemalignRun(align, size, -1), 322c311105fd64219bb96b6467c3707ebda355be87bKostya Serebryany "is located 1 bytes to the left"); 323c311105fd64219bb96b6467c3707ebda355be87bKostya Serebryany EXPECT_DEATH(MemalignRun(align, size, size + 1), 324c311105fd64219bb96b6467c3707ebda355be87bKostya Serebryany "is located 1 bytes to the right"); 325c311105fd64219bb96b6467c3707ebda355be87bKostya Serebryany } 326c311105fd64219bb96b6467c3707ebda355be87bKostya Serebryany} 3272d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines#endif // SANITIZER_TEST_HAS_MEMALIGN 328c311105fd64219bb96b6467c3707ebda355be87bKostya Serebryany 3291e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyvoid *ManyThreadsWorker(void *a) { 3301e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (int iter = 0; iter < 100; iter++) { 3311e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (size_t size = 100; size < 2000; size *= 2) { 3321e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(Ident(malloc(size))); 3331e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 3341e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 3351e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany return 0; 3361e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 3371e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 3381e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, ManyThreadsTest) { 3392697687059e64a4f1319dc23a0a3ca59982d53f6Kostya Serebryany const size_t kNumThreads = 3402697687059e64a4f1319dc23a0a3ca59982d53f6Kostya Serebryany (SANITIZER_WORDSIZE == 32 || ASAN_AVOID_EXPENSIVE_TESTS) ? 30 : 1000; 3411e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_t t[kNumThreads]; 3421e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (size_t i = 0; i < kNumThreads; i++) { 3432697687059e64a4f1319dc23a0a3ca59982d53f6Kostya Serebryany PTHREAD_CREATE(&t[i], 0, ManyThreadsWorker, (void*)i); 3441e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 3451e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (size_t i = 0; i < kNumThreads; i++) { 3462697687059e64a4f1319dc23a0a3ca59982d53f6Kostya Serebryany PTHREAD_JOIN(t[i], 0); 3471e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 3481e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 3491e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 3501e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, ReallocTest) { 3511e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany const int kMinElem = 5; 3521e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *ptr = (int*)malloc(sizeof(int) * kMinElem); 3531e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany ptr[3] = 3; 3541e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (int i = 0; i < 10000; i++) { 3551e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany ptr = (int*)realloc(ptr, 35648ddbef1d051875b2d0b204e8d78300b58d80a85Evgeniy Stepanov (my_rand() % 1000 + kMinElem) * sizeof(int)); 3571e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_EQ(3, ptr[3]); 3581e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 359a3ab1a7da70a5ef111257ba8887920c1fdcd7be5Alexey Samsonov free(ptr); 360a3ab1a7da70a5ef111257ba8887920c1fdcd7be5Alexey Samsonov // Realloc pointer returned by malloc(0). 361a3ab1a7da70a5ef111257ba8887920c1fdcd7be5Alexey Samsonov int *ptr2 = Ident((int*)malloc(0)); 362a3ab1a7da70a5ef111257ba8887920c1fdcd7be5Alexey Samsonov ptr2 = Ident((int*)realloc(ptr2, sizeof(*ptr2))); 363a3ab1a7da70a5ef111257ba8887920c1fdcd7be5Alexey Samsonov *ptr2 = 42; 364a3ab1a7da70a5ef111257ba8887920c1fdcd7be5Alexey Samsonov EXPECT_EQ(42, *ptr2); 365a3ab1a7da70a5ef111257ba8887920c1fdcd7be5Alexey Samsonov free(ptr2); 3661e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 3671e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 36841d69f4fd5454d5bf2614cbb3e8ed77a935c880bTimur IskhodzhanovTEST(AddressSanitizer, ReallocFreedPointerTest) { 36941d69f4fd5454d5bf2614cbb3e8ed77a935c880bTimur Iskhodzhanov void *ptr = Ident(malloc(42)); 37041d69f4fd5454d5bf2614cbb3e8ed77a935c880bTimur Iskhodzhanov ASSERT_TRUE(NULL != ptr); 37141d69f4fd5454d5bf2614cbb3e8ed77a935c880bTimur Iskhodzhanov free(ptr); 37241d69f4fd5454d5bf2614cbb3e8ed77a935c880bTimur Iskhodzhanov EXPECT_DEATH(ptr = realloc(ptr, 77), "attempting double-free"); 37341d69f4fd5454d5bf2614cbb3e8ed77a935c880bTimur Iskhodzhanov} 37441d69f4fd5454d5bf2614cbb3e8ed77a935c880bTimur Iskhodzhanov 37541d69f4fd5454d5bf2614cbb3e8ed77a935c880bTimur IskhodzhanovTEST(AddressSanitizer, ReallocInvalidPointerTest) { 37641d69f4fd5454d5bf2614cbb3e8ed77a935c880bTimur Iskhodzhanov void *ptr = Ident(malloc(42)); 37741d69f4fd5454d5bf2614cbb3e8ed77a935c880bTimur Iskhodzhanov EXPECT_DEATH(ptr = realloc((int*)ptr + 1, 77), "attempting free.*not malloc"); 3782ec879ebd7261c9182d4fdee95fb615439dda67dAlexey Samsonov free(ptr); 37941d69f4fd5454d5bf2614cbb3e8ed77a935c880bTimur Iskhodzhanov} 38041d69f4fd5454d5bf2614cbb3e8ed77a935c880bTimur Iskhodzhanov 381d91699339fd7e022aef0eaa8f401af0f8942068bAlexey SamsonovTEST(AddressSanitizer, ZeroSizeMallocTest) { 382d91699339fd7e022aef0eaa8f401af0f8942068bAlexey Samsonov // Test that malloc(0) and similar functions don't return NULL. 383d91699339fd7e022aef0eaa8f401af0f8942068bAlexey Samsonov void *ptr = Ident(malloc(0)); 384a180078ee0120c049f9fb495f930053f80f105aaAlexey Samsonov EXPECT_TRUE(NULL != ptr); 385d91699339fd7e022aef0eaa8f401af0f8942068bAlexey Samsonov free(ptr); 3862d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines#if SANITIZER_TEST_HAS_POSIX_MEMALIGN 387d91699339fd7e022aef0eaa8f401af0f8942068bAlexey Samsonov int pm_res = posix_memalign(&ptr, 1<<20, 0); 388d91699339fd7e022aef0eaa8f401af0f8942068bAlexey Samsonov EXPECT_EQ(0, pm_res); 389a180078ee0120c049f9fb495f930053f80f105aaAlexey Samsonov EXPECT_TRUE(NULL != ptr); 390d91699339fd7e022aef0eaa8f401af0f8942068bAlexey Samsonov free(ptr); 3912d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines#endif // SANITIZER_TEST_HAS_POSIX_MEMALIGN 392a180078ee0120c049f9fb495f930053f80f105aaAlexey Samsonov int *int_ptr = new int[0]; 393d91699339fd7e022aef0eaa8f401af0f8942068bAlexey Samsonov int *int_ptr2 = new int[0]; 394a180078ee0120c049f9fb495f930053f80f105aaAlexey Samsonov EXPECT_TRUE(NULL != int_ptr); 395a180078ee0120c049f9fb495f930053f80f105aaAlexey Samsonov EXPECT_TRUE(NULL != int_ptr2); 396a180078ee0120c049f9fb495f930053f80f105aaAlexey Samsonov EXPECT_NE(int_ptr, int_ptr2); 397d91699339fd7e022aef0eaa8f401af0f8942068bAlexey Samsonov delete[] int_ptr; 398d91699339fd7e022aef0eaa8f401af0f8942068bAlexey Samsonov delete[] int_ptr2; 399d91699339fd7e022aef0eaa8f401af0f8942068bAlexey Samsonov} 400d91699339fd7e022aef0eaa8f401af0f8942068bAlexey Samsonov 4012d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines#if SANITIZER_TEST_HAS_MALLOC_USABLE_SIZE 4024fd95f141f78906570c15a8a3b4cf0a7b50a201dAlexey Samsonovstatic const char *kMallocUsableSizeErrorMsg = 403ca9b5dd9922fb7f6e0ca06dbba7db7398b8997f1Kostya Serebryany "AddressSanitizer: attempting to call malloc_usable_size()"; 4044fd95f141f78906570c15a8a3b4cf0a7b50a201dAlexey Samsonov 4054fd95f141f78906570c15a8a3b4cf0a7b50a201dAlexey SamsonovTEST(AddressSanitizer, MallocUsableSizeTest) { 4064fd95f141f78906570c15a8a3b4cf0a7b50a201dAlexey Samsonov const size_t kArraySize = 100; 4074fd95f141f78906570c15a8a3b4cf0a7b50a201dAlexey Samsonov char *array = Ident((char*)malloc(kArraySize)); 4084fd95f141f78906570c15a8a3b4cf0a7b50a201dAlexey Samsonov int *int_ptr = Ident(new int); 40976e842845c927e92c2c21c41ac51e364fa17528cAlexey Samsonov EXPECT_EQ(0U, malloc_usable_size(NULL)); 4104fd95f141f78906570c15a8a3b4cf0a7b50a201dAlexey Samsonov EXPECT_EQ(kArraySize, malloc_usable_size(array)); 4114fd95f141f78906570c15a8a3b4cf0a7b50a201dAlexey Samsonov EXPECT_EQ(sizeof(int), malloc_usable_size(int_ptr)); 4124fd95f141f78906570c15a8a3b4cf0a7b50a201dAlexey Samsonov EXPECT_DEATH(malloc_usable_size((void*)0x123), kMallocUsableSizeErrorMsg); 4134fd95f141f78906570c15a8a3b4cf0a7b50a201dAlexey Samsonov EXPECT_DEATH(malloc_usable_size(array + kArraySize / 2), 4144fd95f141f78906570c15a8a3b4cf0a7b50a201dAlexey Samsonov kMallocUsableSizeErrorMsg); 4154fd95f141f78906570c15a8a3b4cf0a7b50a201dAlexey Samsonov free(array); 4164fd95f141f78906570c15a8a3b4cf0a7b50a201dAlexey Samsonov EXPECT_DEATH(malloc_usable_size(array), kMallocUsableSizeErrorMsg); 4172ec879ebd7261c9182d4fdee95fb615439dda67dAlexey Samsonov delete int_ptr; 4184fd95f141f78906570c15a8a3b4cf0a7b50a201dAlexey Samsonov} 4192d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines#endif // SANITIZER_TEST_HAS_MALLOC_USABLE_SIZE 4204fd95f141f78906570c15a8a3b4cf0a7b50a201dAlexey Samsonov 4211e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyvoid WrongFree() { 4221e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *x = (int*)malloc(100 * sizeof(int)); 4231e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Use the allocated memory, otherwise Clang will optimize it out. 4241e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(x); 4251e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(x + 1); 4261e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 4271e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 4282d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines#if !defined(_WIN32) // FIXME: This should be a lit test. 4291e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, WrongFreeTest) { 4307dd282c0c7d3ca32ee94092289bd802e16fe9867Alexey Samsonov EXPECT_DEATH(WrongFree(), ASAN_PCRE_DOTALL 4317dd282c0c7d3ca32ee94092289bd802e16fe9867Alexey Samsonov "ERROR: AddressSanitizer: attempting free.*not malloc" 4327dd282c0c7d3ca32ee94092289bd802e16fe9867Alexey Samsonov ".*is located 4 bytes inside of 400-byte region" 4337dd282c0c7d3ca32ee94092289bd802e16fe9867Alexey Samsonov ".*allocated by thread"); 4341e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 4352d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines#endif 4361e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 4371e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyvoid DoubleFree() { 4381e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *x = (int*)malloc(100 * sizeof(int)); 4391e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany fprintf(stderr, "DoubleFree: x=%p\n", x); 4401e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(x); 4411e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(x); 4421e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany fprintf(stderr, "should have failed in the second free(%p)\n", x); 4431e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany abort(); 4441e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 4451e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 4462d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines#if !defined(_WIN32) // FIXME: This should be a lit test. 4471e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, DoubleFreeTest) { 44827f4932a8a0845303b33d69ddce096c445002e60Kostya Serebryany EXPECT_DEATH(DoubleFree(), ASAN_PCRE_DOTALL 449ca9b5dd9922fb7f6e0ca06dbba7db7398b8997f1Kostya Serebryany "ERROR: AddressSanitizer: attempting double-free" 45027f4932a8a0845303b33d69ddce096c445002e60Kostya Serebryany ".*is located 0 bytes inside of 400-byte region" 45127f4932a8a0845303b33d69ddce096c445002e60Kostya Serebryany ".*freed by thread T0 here" 45227f4932a8a0845303b33d69ddce096c445002e60Kostya Serebryany ".*previously allocated by thread T0 here"); 4531e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 4542d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines#endif 4551e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 4561e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanytemplate<int kSize> 457938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE void SizedStackTest() { 4581e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char a[kSize]; 4591e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *A = Ident((char*)&a); 4602d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines const char *expected_death = "AddressSanitizer: stack-buffer-"; 4611e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (size_t i = 0; i < kSize; i++) 4621e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany A[i] = i; 4632d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines EXPECT_DEATH(A[-1] = 0, expected_death); 4642d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines EXPECT_DEATH(A[-5] = 0, expected_death); 4652d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines EXPECT_DEATH(A[kSize] = 0, expected_death); 4662d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines EXPECT_DEATH(A[kSize + 1] = 0, expected_death); 4672d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines EXPECT_DEATH(A[kSize + 5] = 0, expected_death); 4682d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines if (kSize > 16) 4692d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines EXPECT_DEATH(A[kSize + 31] = 0, expected_death); 4701e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 4711e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 4721e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, SimpleStackTest) { 4731e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany SizedStackTest<1>(); 4741e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany SizedStackTest<2>(); 4751e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany SizedStackTest<3>(); 4761e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany SizedStackTest<4>(); 4771e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany SizedStackTest<5>(); 4781e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany SizedStackTest<6>(); 4791e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany SizedStackTest<7>(); 4801e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany SizedStackTest<16>(); 4811e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany SizedStackTest<25>(); 4821e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany SizedStackTest<34>(); 4831e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany SizedStackTest<43>(); 4841e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany SizedStackTest<51>(); 4851e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany SizedStackTest<62>(); 4861e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany SizedStackTest<64>(); 4871e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany SizedStackTest<128>(); 4881e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 4891e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 4902d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines#if !defined(_WIN32) 4912d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines// FIXME: It's a bit hard to write multi-line death test expectations 4922d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines// in a portable way. Anyways, this should just be turned into a lit test. 4931e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, ManyStackObjectsTest) { 4941e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char XXX[10]; 4951e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char YYY[20]; 4961e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char ZZZ[30]; 4971e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(XXX); 4981e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(YYY); 4991e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(ZZZ)[-1] = 0, ASAN_PCRE_DOTALL "XXX.*YYY.*ZZZ"); 5001e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 5012d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines#endif 5021e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 50350f3daa00d3da0a80c8798a3e977705e96ec106fKostya Serebryany#if 0 // This test requires online symbolizer. 50450f3daa00d3da0a80c8798a3e977705e96ec106fKostya Serebryany// Moved to lit_tests/stack-oob-frames.cc. 50550f3daa00d3da0a80c8798a3e977705e96ec106fKostya Serebryany// Reenable here once we have online symbolizer by default. 506938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE static void Frame0(int frame, char *a, char *b, char *c) { 5071e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char d[4] = {0}; 5081e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *D = Ident(d); 5091e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany switch (frame) { 5101e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany case 3: a[5]++; break; 5111e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany case 2: b[5]++; break; 5121e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany case 1: c[5]++; break; 5131e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany case 0: D[5]++; break; 5141e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 5151e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 516938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE static void Frame1(int frame, char *a, char *b) { 5171e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char c[4] = {0}; Frame0(frame, a, b, c); 5181e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany break_optimization(0); 5191e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 520938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE static void Frame2(int frame, char *a) { 5211e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char b[4] = {0}; Frame1(frame, a, b); 5221e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany break_optimization(0); 5231e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 524938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE static void Frame3(int frame) { 5251e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char a[4] = {0}; Frame2(frame, a); 5261e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany break_optimization(0); 5271e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 5281e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 5291e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, GuiltyStackFrame0Test) { 5301e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Frame3(0), "located .*in frame <.*Frame0"); 5311e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 5321e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, GuiltyStackFrame1Test) { 5331e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Frame3(1), "located .*in frame <.*Frame1"); 5341e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 5351e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, GuiltyStackFrame2Test) { 5361e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Frame3(2), "located .*in frame <.*Frame2"); 5371e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 5381e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, GuiltyStackFrame3Test) { 5391e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Frame3(3), "located .*in frame <.*Frame3"); 5401e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 54150f3daa00d3da0a80c8798a3e977705e96ec106fKostya Serebryany#endif 5421e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 543938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE void LongJmpFunc1(jmp_buf buf) { 5441e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // create three red zones for these two stack objects. 5451e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int a; 5461e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int b; 5471e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 5481e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *A = Ident(&a); 5491e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *B = Ident(&b); 5501e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany *A = *B; 5511e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany longjmp(buf, 1); 5521e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 5531e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 5542d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen HinesNOINLINE void TouchStackFunc() { 5552d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines int a[100]; // long array will intersect with redzones from LongJmpFunc1. 5562d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines int *A = Ident(a); 5572d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines for (int i = 0; i < 100; i++) 5582d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines A[i] = i*i; 5592d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines} 5602d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines 5612d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines// Test that we handle longjmp and do not report false positives on stack. 5622d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen HinesTEST(AddressSanitizer, LongJmpTest) { 5632d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines static jmp_buf buf; 5642d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines if (!setjmp(buf)) { 5652d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines LongJmpFunc1(buf); 5662d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines } else { 5672d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines TouchStackFunc(); 5682d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines } 5692d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines} 5702d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines 5712d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines#if !defined(_WIN32) // Only basic longjmp is available on Windows. 572d3ca78fdb296d2a51fc224da673ebfff508acf44Kostya SerebryanyNOINLINE void BuiltinLongJmpFunc1(jmp_buf buf) { 573d3ca78fdb296d2a51fc224da673ebfff508acf44Kostya Serebryany // create three red zones for these two stack objects. 574d3ca78fdb296d2a51fc224da673ebfff508acf44Kostya Serebryany int a; 575d3ca78fdb296d2a51fc224da673ebfff508acf44Kostya Serebryany int b; 576d3ca78fdb296d2a51fc224da673ebfff508acf44Kostya Serebryany 577d3ca78fdb296d2a51fc224da673ebfff508acf44Kostya Serebryany int *A = Ident(&a); 578d3ca78fdb296d2a51fc224da673ebfff508acf44Kostya Serebryany int *B = Ident(&b); 579d3ca78fdb296d2a51fc224da673ebfff508acf44Kostya Serebryany *A = *B; 580d3ca78fdb296d2a51fc224da673ebfff508acf44Kostya Serebryany __builtin_longjmp((void**)buf, 1); 581d3ca78fdb296d2a51fc224da673ebfff508acf44Kostya Serebryany} 582d3ca78fdb296d2a51fc224da673ebfff508acf44Kostya Serebryany 583938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE void UnderscopeLongJmpFunc1(jmp_buf buf) { 5841e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // create three red zones for these two stack objects. 5851e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int a; 5861e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int b; 5871e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 5881e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *A = Ident(&a); 5891e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *B = Ident(&b); 5901e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany *A = *B; 5911e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany _longjmp(buf, 1); 5921e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 5931e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 594938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE void SigLongJmpFunc1(sigjmp_buf buf) { 5951e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // create three red zones for these two stack objects. 5961e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int a; 5971e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int b; 5981e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 5991e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *A = Ident(&a); 6001e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *B = Ident(&b); 6011e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany *A = *B; 6021e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany siglongjmp(buf, 1); 6031e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 6041e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 6050bdc46c7ee03e8c4e4da7c5ac43edac237aa53e2Kostya Serebryany#if !defined(__ANDROID__) && \ 6060bdc46c7ee03e8c4e4da7c5ac43edac237aa53e2Kostya Serebryany !defined(__powerpc64__) && !defined(__powerpc__) 6070bdc46c7ee03e8c4e4da7c5ac43edac237aa53e2Kostya Serebryany// Does not work on Power: 6080bdc46c7ee03e8c4e4da7c5ac43edac237aa53e2Kostya Serebryany// https://code.google.com/p/address-sanitizer/issues/detail?id=185 609c3a5c173f228cbb15e332e6bbc17c76ebd55d7a8Kostya SerebryanyTEST(AddressSanitizer, BuiltinLongJmpTest) { 610d3ca78fdb296d2a51fc224da673ebfff508acf44Kostya Serebryany static jmp_buf buf; 611c3a5c173f228cbb15e332e6bbc17c76ebd55d7a8Kostya Serebryany if (!__builtin_setjmp((void**)buf)) { 612d3ca78fdb296d2a51fc224da673ebfff508acf44Kostya Serebryany BuiltinLongJmpFunc1(buf); 613d3ca78fdb296d2a51fc224da673ebfff508acf44Kostya Serebryany } else { 614d3ca78fdb296d2a51fc224da673ebfff508acf44Kostya Serebryany TouchStackFunc(); 615d3ca78fdb296d2a51fc224da673ebfff508acf44Kostya Serebryany } 616d3ca78fdb296d2a51fc224da673ebfff508acf44Kostya Serebryany} 6172d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines#endif // !defined(__ANDROID__) && !defined(__powerpc64__) && 6182d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines // !defined(__powerpc__) 619d3ca78fdb296d2a51fc224da673ebfff508acf44Kostya Serebryany 6201e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, UnderscopeLongJmpTest) { 6211e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany static jmp_buf buf; 6221e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany if (!_setjmp(buf)) { 6231e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany UnderscopeLongJmpFunc1(buf); 6241e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } else { 6251e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany TouchStackFunc(); 6261e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 6271e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 6281e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 6291e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, SigLongJmpTest) { 6301e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany static sigjmp_buf buf; 6311e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany if (!sigsetjmp(buf, 1)) { 6321e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany SigLongJmpFunc1(buf); 6331e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } else { 6341e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany TouchStackFunc(); 6351e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 6361e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 6372d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines#endif 6381e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 6392d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines// FIXME: Why does clang-cl define __EXCEPTIONS? 6402d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines#if defined(__EXCEPTIONS) && !defined(_WIN32) 641938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE void ThrowFunc() { 6421e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // create three red zones for these two stack objects. 6431e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int a; 6441e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int b; 6451e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 6461e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *A = Ident(&a); 6471e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *B = Ident(&b); 6481e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany *A = *B; 6491e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany ASAN_THROW(1); 6501e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 6511e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 6521e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, CxxExceptionTest) { 6531e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany if (ASAN_UAR) return; 6541e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // TODO(kcc): this test crashes on 32-bit for some reason... 6555af39e50366f1aacbebc284f572f08ad1ad07357Kostya Serebryany if (SANITIZER_WORDSIZE == 32) return; 6561e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany try { 6571e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany ThrowFunc(); 6581e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } catch(...) {} 6591e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany TouchStackFunc(); 6601e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 6611e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#endif 6621e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 6631e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyvoid *ThreadStackReuseFunc1(void *unused) { 6641e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // create three red zones for these two stack objects. 6651e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int a; 6661e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int b; 6671e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 6681e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *A = Ident(&a); 6691e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *B = Ident(&b); 6701e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany *A = *B; 6711e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_exit(0); 6721e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany return 0; 6731e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 6741e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 6751e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyvoid *ThreadStackReuseFunc2(void *unused) { 6761e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany TouchStackFunc(); 6771e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany return 0; 6781e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 6791e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 6801e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, ThreadStackReuseTest) { 6811e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_t t; 6822697687059e64a4f1319dc23a0a3ca59982d53f6Kostya Serebryany PTHREAD_CREATE(&t, 0, ThreadStackReuseFunc1, 0); 6832697687059e64a4f1319dc23a0a3ca59982d53f6Kostya Serebryany PTHREAD_JOIN(t, 0); 6842697687059e64a4f1319dc23a0a3ca59982d53f6Kostya Serebryany PTHREAD_CREATE(&t, 0, ThreadStackReuseFunc2, 0); 6852697687059e64a4f1319dc23a0a3ca59982d53f6Kostya Serebryany PTHREAD_JOIN(t, 0); 6861e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 6871e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 688b37127085cbcc79f5f859bfab8e7204201c18287Kostya Serebryany#if defined(__i686__) || defined(__x86_64__) 689b37127085cbcc79f5f859bfab8e7204201c18287Kostya Serebryany#include <emmintrin.h> 6901e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, Store128Test) { 6911e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *a = Ident((char*)malloc(Ident(12))); 6921e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *p = a; 6931e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany if (((uintptr_t)a % 16) != 0) 6941e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany p = a + 8; 6951e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany assert(((uintptr_t)p % 16) == 0); 6961e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany __m128i value_wide = _mm_set1_epi16(0x1234); 6971e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(_mm_store_si128((__m128i*)p, value_wide), 698ca9b5dd9922fb7f6e0ca06dbba7db7398b8997f1Kostya Serebryany "AddressSanitizer: heap-buffer-overflow"); 699acd5c617b219e0f059620c2a3928d2cc821d4534Kostya Serebryany EXPECT_DEATH(_mm_store_si128((__m128i*)p, value_wide), 7001e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany "WRITE of size 16"); 7011e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(_mm_store_si128((__m128i*)p, value_wide), 7021e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany "located 0 bytes to the right of 12-byte"); 7031e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(a); 7041e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 7051e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#endif 7061e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 7072d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines// FIXME: All tests that use this function should be turned into lit tests. 7086cbfae439b81221d2250ffe0331958f130259755Kostya Serebryanystring RightOOBErrorMessage(int oob_distance, bool is_write) { 7091e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany assert(oob_distance >= 0); 7101e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char expected_str[100]; 7111b057b20db71ec6cc2bac460c8b2848f0889d47dKostya Serebryany sprintf(expected_str, ASAN_PCRE_DOTALL 7122d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines#if !GTEST_USES_SIMPLE_RE 7132d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines "buffer-overflow.*%s.*" 7142d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines#endif 7152d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines "located %d bytes to the right", 7162d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines#if !GTEST_USES_SIMPLE_RE 7172d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines is_write ? "WRITE" : "READ", 7182d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines#endif 7192d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines oob_distance); 7201e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany return string(expected_str); 7211e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 7221e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 7236cbfae439b81221d2250ffe0331958f130259755Kostya Serebryanystring RightOOBWriteMessage(int oob_distance) { 724ef8dfd8dffbf4385baf24e5aaea6c2cc7c6c936aAlexander Potapenko return RightOOBErrorMessage(oob_distance, /*is_write*/true); 725ef8dfd8dffbf4385baf24e5aaea6c2cc7c6c936aAlexander Potapenko} 726ef8dfd8dffbf4385baf24e5aaea6c2cc7c6c936aAlexander Potapenko 7276cbfae439b81221d2250ffe0331958f130259755Kostya Serebryanystring RightOOBReadMessage(int oob_distance) { 728ef8dfd8dffbf4385baf24e5aaea6c2cc7c6c936aAlexander Potapenko return RightOOBErrorMessage(oob_distance, /*is_write*/false); 729ef8dfd8dffbf4385baf24e5aaea6c2cc7c6c936aAlexander Potapenko} 730ef8dfd8dffbf4385baf24e5aaea6c2cc7c6c936aAlexander Potapenko 7312d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines// FIXME: All tests that use this function should be turned into lit tests. 7326cbfae439b81221d2250ffe0331958f130259755Kostya Serebryanystring LeftOOBErrorMessage(int oob_distance, bool is_write) { 7331e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany assert(oob_distance > 0); 7341e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char expected_str[100]; 7352d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines sprintf(expected_str, 7362d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines#if !GTEST_USES_SIMPLE_RE 7372d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines ASAN_PCRE_DOTALL "%s.*" 7382d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines#endif 7392d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines "located %d bytes to the left", 7402d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines#if !GTEST_USES_SIMPLE_RE 7412d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines is_write ? "WRITE" : "READ", 7422d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines#endif 7432d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines oob_distance); 7441e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany return string(expected_str); 7451e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 7461e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 7476cbfae439b81221d2250ffe0331958f130259755Kostya Serebryanystring LeftOOBWriteMessage(int oob_distance) { 748ef8dfd8dffbf4385baf24e5aaea6c2cc7c6c936aAlexander Potapenko return LeftOOBErrorMessage(oob_distance, /*is_write*/true); 749ef8dfd8dffbf4385baf24e5aaea6c2cc7c6c936aAlexander Potapenko} 750ef8dfd8dffbf4385baf24e5aaea6c2cc7c6c936aAlexander Potapenko 7516cbfae439b81221d2250ffe0331958f130259755Kostya Serebryanystring LeftOOBReadMessage(int oob_distance) { 752ef8dfd8dffbf4385baf24e5aaea6c2cc7c6c936aAlexander Potapenko return LeftOOBErrorMessage(oob_distance, /*is_write*/false); 753ef8dfd8dffbf4385baf24e5aaea6c2cc7c6c936aAlexander Potapenko} 754ef8dfd8dffbf4385baf24e5aaea6c2cc7c6c936aAlexander Potapenko 7556cbfae439b81221d2250ffe0331958f130259755Kostya Serebryanystring LeftOOBAccessMessage(int oob_distance) { 756ada9ba14325df9e206f454c50bd1b55ea9ecdbb9Alexander Potapenko assert(oob_distance > 0); 757ada9ba14325df9e206f454c50bd1b55ea9ecdbb9Alexander Potapenko char expected_str[100]; 758ada9ba14325df9e206f454c50bd1b55ea9ecdbb9Alexander Potapenko sprintf(expected_str, "located %d bytes to the left", oob_distance); 759ada9ba14325df9e206f454c50bd1b55ea9ecdbb9Alexander Potapenko return string(expected_str); 760ada9ba14325df9e206f454c50bd1b55ea9ecdbb9Alexander Potapenko} 761ada9ba14325df9e206f454c50bd1b55ea9ecdbb9Alexander Potapenko 7626cbfae439b81221d2250ffe0331958f130259755Kostya Serebryanychar* MallocAndMemsetString(size_t size, char ch) { 76344997c354c7cdb5257d9a41c837b12a6133f2d6bKostya Serebryany char *s = Ident((char*)malloc(size)); 76444997c354c7cdb5257d9a41c837b12a6133f2d6bKostya Serebryany memset(s, ch, size); 76544997c354c7cdb5257d9a41c837b12a6133f2d6bKostya Serebryany return s; 76644997c354c7cdb5257d9a41c837b12a6133f2d6bKostya Serebryany} 7676cbfae439b81221d2250ffe0331958f130259755Kostya Serebryany 7686cbfae439b81221d2250ffe0331958f130259755Kostya Serebryanychar* MallocAndMemsetString(size_t size) { 76944997c354c7cdb5257d9a41c837b12a6133f2d6bKostya Serebryany return MallocAndMemsetString(size, 'z'); 77044997c354c7cdb5257d9a41c837b12a6133f2d6bKostya Serebryany} 77144997c354c7cdb5257d9a41c837b12a6133f2d6bKostya Serebryany 772ca2849c2819b5c7a8771a1e8bc449cf8f5ef6527Alexey Samsonov#if defined(__linux__) && !defined(ANDROID) && !defined(__ANDROID__) 773c20b321d49f0eff60f1394d56e623d8ca94f24d7Kostya Serebryany#define READ_TEST(READ_N_BYTES) \ 774c20b321d49f0eff60f1394d56e623d8ca94f24d7Kostya Serebryany char *x = new char[10]; \ 775c20b321d49f0eff60f1394d56e623d8ca94f24d7Kostya Serebryany int fd = open("/proc/self/stat", O_RDONLY); \ 776c20b321d49f0eff60f1394d56e623d8ca94f24d7Kostya Serebryany ASSERT_GT(fd, 0); \ 777c20b321d49f0eff60f1394d56e623d8ca94f24d7Kostya Serebryany EXPECT_DEATH(READ_N_BYTES, \ 778c20b321d49f0eff60f1394d56e623d8ca94f24d7Kostya Serebryany ASAN_PCRE_DOTALL \ 779c20b321d49f0eff60f1394d56e623d8ca94f24d7Kostya Serebryany "AddressSanitizer: heap-buffer-overflow" \ 780c20b321d49f0eff60f1394d56e623d8ca94f24d7Kostya Serebryany ".* is located 0 bytes to the right of 10-byte region"); \ 781c20b321d49f0eff60f1394d56e623d8ca94f24d7Kostya Serebryany close(fd); \ 782c20b321d49f0eff60f1394d56e623d8ca94f24d7Kostya Serebryany delete [] x; \ 783c20b321d49f0eff60f1394d56e623d8ca94f24d7Kostya Serebryany 7848530e2b953f0b34ecd267a6aba5f155d5c08c5c8Kostya SerebryanyTEST(AddressSanitizer, pread) { 785c20b321d49f0eff60f1394d56e623d8ca94f24d7Kostya Serebryany READ_TEST(pread(fd, x, 15, 0)); 7868530e2b953f0b34ecd267a6aba5f155d5c08c5c8Kostya Serebryany} 7878530e2b953f0b34ecd267a6aba5f155d5c08c5c8Kostya Serebryany 7888530e2b953f0b34ecd267a6aba5f155d5c08c5c8Kostya SerebryanyTEST(AddressSanitizer, pread64) { 789c20b321d49f0eff60f1394d56e623d8ca94f24d7Kostya Serebryany READ_TEST(pread64(fd, x, 15, 0)); 7908530e2b953f0b34ecd267a6aba5f155d5c08c5c8Kostya Serebryany} 7918530e2b953f0b34ecd267a6aba5f155d5c08c5c8Kostya Serebryany 7928530e2b953f0b34ecd267a6aba5f155d5c08c5c8Kostya SerebryanyTEST(AddressSanitizer, read) { 793c20b321d49f0eff60f1394d56e623d8ca94f24d7Kostya Serebryany READ_TEST(read(fd, x, 15)); 794c20b321d49f0eff60f1394d56e623d8ca94f24d7Kostya Serebryany} 795ca2849c2819b5c7a8771a1e8bc449cf8f5ef6527Alexey Samsonov#endif // defined(__linux__) && !defined(ANDROID) && !defined(__ANDROID__) 7968530e2b953f0b34ecd267a6aba5f155d5c08c5c8Kostya Serebryany 7971e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// This test case fails 7981e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// Clang optimizes memcpy/memset calls which lead to unaligned access 7991e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, DISABLED_MemIntrinsicUnalignedAccessTest) { 8001e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int size = Ident(4096); 8011e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *s = Ident((char*)malloc(size)); 802ef8dfd8dffbf4385baf24e5aaea6c2cc7c6c936aAlexander Potapenko EXPECT_DEATH(memset(s + size - 1, 0, 2), RightOOBWriteMessage(0)); 8031e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(s); 8041e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 8051e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 8061e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// TODO(samsonov): Add a test with malloc(0) 8071e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// TODO(samsonov): Add tests for str* and mem* functions. 8081e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 809938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE static int LargeFunction(bool do_bad_access) { 8101e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *x = new int[100]; 8111e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x[0]++; 8121e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x[1]++; 8131e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x[2]++; 8141e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x[3]++; 8151e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x[4]++; 8161e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x[5]++; 8171e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x[6]++; 8181e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x[7]++; 8191e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x[8]++; 8201e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x[9]++; 8211e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 8221e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x[do_bad_access ? 100 : 0]++; int res = __LINE__; 8231e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 8241e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x[10]++; 8251e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x[11]++; 8261e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x[12]++; 8271e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x[13]++; 8281e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x[14]++; 8291e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x[15]++; 8301e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x[16]++; 8311e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x[17]++; 8321e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x[18]++; 8331e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x[19]++; 8341e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 8351e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany delete x; 8361e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany return res; 8371e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 8381e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 8391e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// Test the we have correct debug info for the failing instruction. 8401e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// This test requires the in-process symbolizer to be enabled by default. 8411e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, DISABLED_LargeFunctionSymbolizeTest) { 8421e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int failing_line = LargeFunction(false); 8431e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char expected_warning[128]; 8445a15541fc2bbe46a5ce0cd802b5c1055f2ffb14eKostya Serebryany sprintf(expected_warning, "LargeFunction.*asan_test.*:%d", failing_line); 8451e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(LargeFunction(true), expected_warning); 8461e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 8471e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 8481e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// Check that we unwind and symbolize correctly. 8491e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, DISABLED_MallocFreeUnwindAndSymbolizeTest) { 8501e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *a = (int*)malloc_aaa(sizeof(int)); 8511e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany *a = 1; 8521e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free_aaa(a); 8531e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(*a = 1, "free_ccc.*free_bbb.*free_aaa.*" 8541e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany "malloc_fff.*malloc_eee.*malloc_ddd"); 8551e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 8561e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 857b8a59a0e030d0aacf4df1fe8f7fb4e6f82bab654Kostya Serebryanystatic bool TryToSetThreadName(const char *name) { 858b8a59a0e030d0aacf4df1fe8f7fb4e6f82bab654Kostya Serebryany#if defined(__linux__) && defined(PR_SET_NAME) 859b8a59a0e030d0aacf4df1fe8f7fb4e6f82bab654Kostya Serebryany return 0 == prctl(PR_SET_NAME, (unsigned long)name, 0, 0, 0); 860b8a59a0e030d0aacf4df1fe8f7fb4e6f82bab654Kostya Serebryany#else 861b8a59a0e030d0aacf4df1fe8f7fb4e6f82bab654Kostya Serebryany return false; 862716e2f25123bf9b20fbc6b582803a3929b78b96dKostya Serebryany#endif 863716e2f25123bf9b20fbc6b582803a3929b78b96dKostya Serebryany} 864716e2f25123bf9b20fbc6b582803a3929b78b96dKostya Serebryany 8651e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyvoid *ThreadedTestAlloc(void *a) { 866b8a59a0e030d0aacf4df1fe8f7fb4e6f82bab654Kostya Serebryany EXPECT_EQ(true, TryToSetThreadName("AllocThr")); 8671e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int **p = (int**)a; 8681e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany *p = new int; 8691e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany return 0; 8701e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 8711e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 8721e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyvoid *ThreadedTestFree(void *a) { 873b8a59a0e030d0aacf4df1fe8f7fb4e6f82bab654Kostya Serebryany EXPECT_EQ(true, TryToSetThreadName("FreeThr")); 8741e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int **p = (int**)a; 8751e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany delete *p; 8761e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany return 0; 8771e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 8781e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 8791e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyvoid *ThreadedTestUse(void *a) { 880b8a59a0e030d0aacf4df1fe8f7fb4e6f82bab654Kostya Serebryany EXPECT_EQ(true, TryToSetThreadName("UseThr")); 8811e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int **p = (int**)a; 8821e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany **p = 1; 8831e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany return 0; 8841e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 8851e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 8861e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyvoid ThreadedTestSpawn() { 8871e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_t t; 8881e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *x; 8892697687059e64a4f1319dc23a0a3ca59982d53f6Kostya Serebryany PTHREAD_CREATE(&t, 0, ThreadedTestAlloc, &x); 8902697687059e64a4f1319dc23a0a3ca59982d53f6Kostya Serebryany PTHREAD_JOIN(t, 0); 8912697687059e64a4f1319dc23a0a3ca59982d53f6Kostya Serebryany PTHREAD_CREATE(&t, 0, ThreadedTestFree, &x); 8922697687059e64a4f1319dc23a0a3ca59982d53f6Kostya Serebryany PTHREAD_JOIN(t, 0); 8932697687059e64a4f1319dc23a0a3ca59982d53f6Kostya Serebryany PTHREAD_CREATE(&t, 0, ThreadedTestUse, &x); 8942697687059e64a4f1319dc23a0a3ca59982d53f6Kostya Serebryany PTHREAD_JOIN(t, 0); 8951e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 8961e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 8972d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines#if !defined(_WIN32) // FIXME: This should be a lit test. 8981e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, ThreadedTest) { 8991e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(ThreadedTestSpawn(), 9001e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany ASAN_PCRE_DOTALL 9011e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany "Thread T.*created" 9021e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany ".*Thread T.*created" 9031e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany ".*Thread T.*created"); 9041e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 9052d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines#endif 9061e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 907b8a59a0e030d0aacf4df1fe8f7fb4e6f82bab654Kostya Serebryanyvoid *ThreadedTestFunc(void *unused) { 908b8a59a0e030d0aacf4df1fe8f7fb4e6f82bab654Kostya Serebryany // Check if prctl(PR_SET_NAME) is supported. Return if not. 909b8a59a0e030d0aacf4df1fe8f7fb4e6f82bab654Kostya Serebryany if (!TryToSetThreadName("TestFunc")) 910b8a59a0e030d0aacf4df1fe8f7fb4e6f82bab654Kostya Serebryany return 0; 911716e2f25123bf9b20fbc6b582803a3929b78b96dKostya Serebryany EXPECT_DEATH(ThreadedTestSpawn(), 912716e2f25123bf9b20fbc6b582803a3929b78b96dKostya Serebryany ASAN_PCRE_DOTALL 913a390ece58317a25ef26866cef6753df4b06a3e65Kostya Serebryany "WRITE .*thread T. .UseThr." 914a390ece58317a25ef26866cef6753df4b06a3e65Kostya Serebryany ".*freed by thread T. .FreeThr. here:" 915a390ece58317a25ef26866cef6753df4b06a3e65Kostya Serebryany ".*previously allocated by thread T. .AllocThr. here:" 916b8a59a0e030d0aacf4df1fe8f7fb4e6f82bab654Kostya Serebryany ".*Thread T. .UseThr. created by T.*TestFunc" 917b8a59a0e030d0aacf4df1fe8f7fb4e6f82bab654Kostya Serebryany ".*Thread T. .FreeThr. created by T" 918b8a59a0e030d0aacf4df1fe8f7fb4e6f82bab654Kostya Serebryany ".*Thread T. .AllocThr. created by T" 919716e2f25123bf9b20fbc6b582803a3929b78b96dKostya Serebryany ""); 920b8a59a0e030d0aacf4df1fe8f7fb4e6f82bab654Kostya Serebryany return 0; 921b8a59a0e030d0aacf4df1fe8f7fb4e6f82bab654Kostya Serebryany} 922b8a59a0e030d0aacf4df1fe8f7fb4e6f82bab654Kostya Serebryany 923b8a59a0e030d0aacf4df1fe8f7fb4e6f82bab654Kostya SerebryanyTEST(AddressSanitizer, ThreadNamesTest) { 924b8a59a0e030d0aacf4df1fe8f7fb4e6f82bab654Kostya Serebryany // Run ThreadedTestFunc in a separate thread because it tries to set a 925b8a59a0e030d0aacf4df1fe8f7fb4e6f82bab654Kostya Serebryany // thread name and we don't want to change the main thread's name. 926b8a59a0e030d0aacf4df1fe8f7fb4e6f82bab654Kostya Serebryany pthread_t t; 927b8a59a0e030d0aacf4df1fe8f7fb4e6f82bab654Kostya Serebryany PTHREAD_CREATE(&t, 0, ThreadedTestFunc, 0); 928b8a59a0e030d0aacf4df1fe8f7fb4e6f82bab654Kostya Serebryany PTHREAD_JOIN(t, 0); 929716e2f25123bf9b20fbc6b582803a3929b78b96dKostya Serebryany} 930716e2f25123bf9b20fbc6b582803a3929b78b96dKostya Serebryany 9311e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#if ASAN_NEEDS_SEGV 9321e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, ShadowGapTest) { 9335af39e50366f1aacbebc284f572f08ad1ad07357Kostya Serebryany#if SANITIZER_WORDSIZE == 32 9341e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *addr = (char*)0x22000000; 9351e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#else 9369277b1ff831ad4e3979e7a6203e838d6d62266c6Kostya Serebryany# if defined(__powerpc64__) 9379277b1ff831ad4e3979e7a6203e838d6d62266c6Kostya Serebryany char *addr = (char*)0x024000800000; 9389277b1ff831ad4e3979e7a6203e838d6d62266c6Kostya Serebryany# else 9391e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *addr = (char*)0x0000100000080000; 9409277b1ff831ad4e3979e7a6203e838d6d62266c6Kostya Serebryany# endif 9411e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#endif 942ca9b5dd9922fb7f6e0ca06dbba7db7398b8997f1Kostya Serebryany EXPECT_DEATH(*addr = 1, "AddressSanitizer: SEGV on unknown"); 9431e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 9441e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#endif // ASAN_NEEDS_SEGV 9451e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 9461e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyextern "C" { 947938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE static void UseThenFreeThenUse() { 9481e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *x = Ident((char*)malloc(8)); 9491e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany *x = 1; 9501e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free_aaa(x); 9511e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany *x = 2; 9521e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 9531e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 9541e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 9551e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, UseThenFreeThenUseTest) { 9561e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(UseThenFreeThenUse(), "freed by thread"); 9571e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 9581e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 9591e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, StrDupTest) { 9601e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(strdup(Ident("123"))); 9611e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 9621e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 9631e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// Currently we create and poison redzone at right of global variables. 9641e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanystatic char static110[110]; 9651e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyconst char ConstGlob[7] = {1, 2, 3, 4, 5, 6, 7}; 9661e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanystatic const char StaticConstGlob[3] = {9, 8, 7}; 9671e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 9681e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, GlobalTest) { 9691e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany static char func_static15[15]; 9701e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 9711e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany static char fs1[10]; 9721e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany static char fs2[10]; 9731e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany static char fs3[10]; 9741e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 9751e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany glob5[Ident(0)] = 0; 9761e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany glob5[Ident(1)] = 0; 9771e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany glob5[Ident(2)] = 0; 9781e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany glob5[Ident(3)] = 0; 9791e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany glob5[Ident(4)] = 0; 9801e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 9811e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(glob5[Ident(5)] = 0, 9821e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany "0 bytes to the right of global variable.*glob5.* size 5"); 9831e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(glob5[Ident(5+6)] = 0, 9841e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany "6 bytes to the right of global variable.*glob5.* size 5"); 9851e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(static110); // avoid optimizations 9861e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany static110[Ident(0)] = 0; 9871e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany static110[Ident(109)] = 0; 9881e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(static110[Ident(110)] = 0, 9891e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany "0 bytes to the right of global variable"); 9901e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(static110[Ident(110+7)] = 0, 9911e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany "7 bytes to the right of global variable"); 9921e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 9931e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(func_static15); // avoid optimizations 9941e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany func_static15[Ident(0)] = 0; 9951e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(func_static15[Ident(15)] = 0, 9961e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany "0 bytes to the right of global variable"); 9971e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(func_static15[Ident(15 + 9)] = 0, 9981e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany "9 bytes to the right of global variable"); 9991e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 10001e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(fs1); 10011e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(fs2); 10021e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(fs3); 10031e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 10041e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // We don't create left redzones, so this is not 100% guaranteed to fail. 10051e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // But most likely will. 10061e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(fs2[Ident(-1)] = 0, "is located.*of global variable"); 10071e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 10081e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(Ident(ConstGlob)[8]), 10091e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany "is located 1 bytes to the right of .*ConstGlob"); 10101e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(Ident(StaticConstGlob)[5]), 10111e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany "is located 2 bytes to the right of .*StaticConstGlob"); 10121e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 10131e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // call stuff from another file. 10141e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany GlobalsTest(0); 10151e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 10161e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 10171e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, GlobalStringConstTest) { 10181e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany static const char *zoo = "FOOBAR123"; 10191e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany const char *p = Ident(zoo); 10201e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(p[15]), "is ascii string 'FOOBAR123'"); 10211e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 10221e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 1023c37ca572876a585b6a910f14a85cc7ba7fc22f20Kostya SerebryanyTEST(AddressSanitizer, FileNameInGlobalReportTest) { 1024c37ca572876a585b6a910f14a85cc7ba7fc22f20Kostya Serebryany static char zoo[10]; 1025c37ca572876a585b6a910f14a85cc7ba7fc22f20Kostya Serebryany const char *p = Ident(zoo); 1026c37ca572876a585b6a910f14a85cc7ba7fc22f20Kostya Serebryany // The file name should be present in the report. 10275a15541fc2bbe46a5ce0cd802b5c1055f2ffb14eKostya Serebryany EXPECT_DEATH(Ident(p[15]), "zoo.*asan_test."); 1028c37ca572876a585b6a910f14a85cc7ba7fc22f20Kostya Serebryany} 1029c37ca572876a585b6a910f14a85cc7ba7fc22f20Kostya Serebryany 10301e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyint *ReturnsPointerToALocalObject() { 10311e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int a = 0; 10321e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany return Ident(&a); 10331e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 10341e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 1035918b18a849cea679bff31a4e0dfb3745302c240aKostya Serebryany#if ASAN_UAR == 1 10361e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, LocalReferenceReturnTest) { 10371e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *(*f)() = Ident(ReturnsPointerToALocalObject); 1038918b18a849cea679bff31a4e0dfb3745302c240aKostya Serebryany int *p = f(); 1039918b18a849cea679bff31a4e0dfb3745302c240aKostya Serebryany // Call 'f' a few more times, 'p' should still be poisoned. 1040918b18a849cea679bff31a4e0dfb3745302c240aKostya Serebryany for (int i = 0; i < 32; i++) 1041918b18a849cea679bff31a4e0dfb3745302c240aKostya Serebryany f(); 1042ca9b5dd9922fb7f6e0ca06dbba7db7398b8997f1Kostya Serebryany EXPECT_DEATH(*p = 1, "AddressSanitizer: stack-use-after-return"); 1043918b18a849cea679bff31a4e0dfb3745302c240aKostya Serebryany EXPECT_DEATH(*p = 1, "is located.*in frame .*ReturnsPointerToALocal"); 10441e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 1045918b18a849cea679bff31a4e0dfb3745302c240aKostya Serebryany#endif 10461e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 10471e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanytemplate <int kSize> 1048938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE static void FuncWithStack() { 10491e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char x[kSize]; 10501e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(x)[0] = 0; 10511e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(x)[kSize-1] = 0; 10521e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 10531e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 10541e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanystatic void LotsOfStackReuse() { 10551e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int LargeStack[10000]; 10561e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(LargeStack)[0] = 0; 10571e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (int i = 0; i < 10000; i++) { 10581e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany FuncWithStack<128 * 1>(); 10591e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany FuncWithStack<128 * 2>(); 10601e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany FuncWithStack<128 * 4>(); 10611e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany FuncWithStack<128 * 8>(); 10621e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany FuncWithStack<128 * 16>(); 10631e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany FuncWithStack<128 * 32>(); 10641e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany FuncWithStack<128 * 64>(); 10651e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany FuncWithStack<128 * 128>(); 10661e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany FuncWithStack<128 * 256>(); 10671e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany FuncWithStack<128 * 512>(); 10681e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(LargeStack)[0] = 0; 10691e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 10701e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 10711e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 10721e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, StressStackReuseTest) { 10731e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany LotsOfStackReuse(); 10741e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 10751e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 10761e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, ThreadedStressStackReuseTest) { 10771e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany const int kNumThreads = 20; 10781e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_t t[kNumThreads]; 10791e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (int i = 0; i < kNumThreads; i++) { 10802697687059e64a4f1319dc23a0a3ca59982d53f6Kostya Serebryany PTHREAD_CREATE(&t[i], 0, (void* (*)(void *x))LotsOfStackReuse, 0); 10811e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 10821e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (int i = 0; i < kNumThreads; i++) { 10832697687059e64a4f1319dc23a0a3ca59982d53f6Kostya Serebryany PTHREAD_JOIN(t[i], 0); 10841e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 10851e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 10861e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 1087f58f998066db0231e521169d2f50af439ceecb49Kostya Serebryanystatic void *PthreadExit(void *a) { 1088f58f998066db0231e521169d2f50af439ceecb49Kostya Serebryany pthread_exit(0); 10897b7b55e99166511ce1e66bf6b79c46ae4aa60d17Evgeniy Stepanov return 0; 1090f58f998066db0231e521169d2f50af439ceecb49Kostya Serebryany} 1091f58f998066db0231e521169d2f50af439ceecb49Kostya Serebryany 1092f58f998066db0231e521169d2f50af439ceecb49Kostya SerebryanyTEST(AddressSanitizer, PthreadExitTest) { 1093f58f998066db0231e521169d2f50af439ceecb49Kostya Serebryany pthread_t t; 1094f58f998066db0231e521169d2f50af439ceecb49Kostya Serebryany for (int i = 0; i < 1000; i++) { 10952697687059e64a4f1319dc23a0a3ca59982d53f6Kostya Serebryany PTHREAD_CREATE(&t, 0, PthreadExit, 0); 10962697687059e64a4f1319dc23a0a3ca59982d53f6Kostya Serebryany PTHREAD_JOIN(t, 0); 1097f58f998066db0231e521169d2f50af439ceecb49Kostya Serebryany } 1098f58f998066db0231e521169d2f50af439ceecb49Kostya Serebryany} 1099f58f998066db0231e521169d2f50af439ceecb49Kostya Serebryany 11002d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines// FIXME: Why does clang-cl define __EXCEPTIONS? 11012d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines#if defined(__EXCEPTIONS) && !defined(_WIN32) 1102938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE static void StackReuseAndException() { 11031e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int large_stack[1000]; 11041e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(large_stack); 11051e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany ASAN_THROW(1); 11061e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 11071e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 11081e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// TODO(kcc): support exceptions with use-after-return. 11091e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, DISABLED_StressStackReuseAndExceptionsTest) { 11101e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (int i = 0; i < 10000; i++) { 11111e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany try { 11121e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany StackReuseAndException(); 11131e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } catch(...) { 11141e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 11151e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 11161e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 11171e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#endif 11181e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 11192d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines#if !defined(_WIN32) 11201e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, MlockTest) { 11211e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_EQ(0, mlockall(MCL_CURRENT)); 11221e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_EQ(0, mlock((void*)0x12345, 0x5678)); 11231e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_EQ(0, munlockall()); 11241e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_EQ(0, munlock((void*)0x987, 0x654)); 11251e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 11262d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines#endif 11271e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 1128c655cfa8dc0fdf5b521e565f6cbdbf7981fba1b2Kostya Serebryanystruct LargeStruct { 1129c655cfa8dc0fdf5b521e565f6cbdbf7981fba1b2Kostya Serebryany int foo[100]; 1130c655cfa8dc0fdf5b521e565f6cbdbf7981fba1b2Kostya Serebryany}; 1131c655cfa8dc0fdf5b521e565f6cbdbf7981fba1b2Kostya Serebryany 1132c655cfa8dc0fdf5b521e565f6cbdbf7981fba1b2Kostya Serebryany// Test for bug http://llvm.org/bugs/show_bug.cgi?id=11763. 1133c655cfa8dc0fdf5b521e565f6cbdbf7981fba1b2Kostya Serebryany// Struct copy should not cause asan warning even if lhs == rhs. 1134c655cfa8dc0fdf5b521e565f6cbdbf7981fba1b2Kostya SerebryanyTEST(AddressSanitizer, LargeStructCopyTest) { 1135c655cfa8dc0fdf5b521e565f6cbdbf7981fba1b2Kostya Serebryany LargeStruct a; 1136c655cfa8dc0fdf5b521e565f6cbdbf7981fba1b2Kostya Serebryany *Ident(&a) = *Ident(&a); 1137c655cfa8dc0fdf5b521e565f6cbdbf7981fba1b2Kostya Serebryany} 1138c655cfa8dc0fdf5b521e565f6cbdbf7981fba1b2Kostya Serebryany 1139f7f2e431263cc0aa321218ce8978b289187a39a3Alexey SamsonovATTRIBUTE_NO_SANITIZE_ADDRESS 1140f7f2e431263cc0aa321218ce8978b289187a39a3Alexey Samsonovstatic void NoSanitizeAddress() { 11413be19f4fa3519e358fd41a5feda82c39a22ef107Kostya Serebryany char *foo = new char[10]; 11423be19f4fa3519e358fd41a5feda82c39a22ef107Kostya Serebryany Ident(foo)[10] = 0; 11433be19f4fa3519e358fd41a5feda82c39a22ef107Kostya Serebryany delete [] foo; 11443be19f4fa3519e358fd41a5feda82c39a22ef107Kostya Serebryany} 11453be19f4fa3519e358fd41a5feda82c39a22ef107Kostya Serebryany 1146f7f2e431263cc0aa321218ce8978b289187a39a3Alexey SamsonovTEST(AddressSanitizer, AttributeNoSanitizeAddressTest) { 1147f7f2e431263cc0aa321218ce8978b289187a39a3Alexey Samsonov Ident(NoSanitizeAddress)(); 11483be19f4fa3519e358fd41a5feda82c39a22ef107Kostya Serebryany} 11493be19f4fa3519e358fd41a5feda82c39a22ef107Kostya Serebryany 11502d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines// The new/delete/etc mismatch checks don't work on Android, 11512d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines// as calls to new/delete go through malloc/free. 11522d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines// OS X support is tracked here: 11532d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines// https://code.google.com/p/address-sanitizer/issues/detail?id=131 11542d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines// Windows support is tracked here: 11552d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines// https://code.google.com/p/address-sanitizer/issues/detail?id=309 11562d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines#if !defined(ANDROID) && !defined(__ANDROID__) && \ 11572d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines !defined(__APPLE__) && \ 11582d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines !defined(_WIN32) 1159fe6d91684bcda766593800f6307233f1a33d31f6Kostya Serebryanystatic string MismatchStr(const string &str) { 1160fe6d91684bcda766593800f6307233f1a33d31f6Kostya Serebryany return string("AddressSanitizer: alloc-dealloc-mismatch \\(") + str; 1161fe6d91684bcda766593800f6307233f1a33d31f6Kostya Serebryany} 1162fe6d91684bcda766593800f6307233f1a33d31f6Kostya Serebryany 11638f0e311767b783db4a15139dddfe7a924fa3724eAlexey SamsonovTEST(AddressSanitizer, AllocDeallocMismatch) { 1164fe6d91684bcda766593800f6307233f1a33d31f6Kostya Serebryany EXPECT_DEATH(free(Ident(new int)), 1165fe6d91684bcda766593800f6307233f1a33d31f6Kostya Serebryany MismatchStr("operator new vs free")); 1166fe6d91684bcda766593800f6307233f1a33d31f6Kostya Serebryany EXPECT_DEATH(free(Ident(new int[2])), 1167fe6d91684bcda766593800f6307233f1a33d31f6Kostya Serebryany MismatchStr("operator new \\[\\] vs free")); 1168fe6d91684bcda766593800f6307233f1a33d31f6Kostya Serebryany EXPECT_DEATH(delete (Ident(new int[2])), 1169fe6d91684bcda766593800f6307233f1a33d31f6Kostya Serebryany MismatchStr("operator new \\[\\] vs operator delete")); 1170fe6d91684bcda766593800f6307233f1a33d31f6Kostya Serebryany EXPECT_DEATH(delete (Ident((int*)malloc(2 * sizeof(int)))), 1171fe6d91684bcda766593800f6307233f1a33d31f6Kostya Serebryany MismatchStr("malloc vs operator delete")); 1172fe6d91684bcda766593800f6307233f1a33d31f6Kostya Serebryany EXPECT_DEATH(delete [] (Ident(new int)), 1173fe6d91684bcda766593800f6307233f1a33d31f6Kostya Serebryany MismatchStr("operator new vs operator delete \\[\\]")); 1174fe6d91684bcda766593800f6307233f1a33d31f6Kostya Serebryany EXPECT_DEATH(delete [] (Ident((int*)malloc(2 * sizeof(int)))), 1175fe6d91684bcda766593800f6307233f1a33d31f6Kostya Serebryany MismatchStr("malloc vs operator delete \\[\\]")); 1176fe6d91684bcda766593800f6307233f1a33d31f6Kostya Serebryany} 117729e09223b9d4f53f1be528d6a572b66034c26611Alexey Samsonov#endif 1178fe6d91684bcda766593800f6307233f1a33d31f6Kostya Serebryany 11791e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// ------------------ demo tests; run each one-by-one ------------- 11801e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// e.g. --gtest_filter=*DemoOOBLeftHigh --gtest_also_run_disabled_tests 11811e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, DISABLED_DemoThreadedTest) { 11821e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany ThreadedTestSpawn(); 11831e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 11841e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 11851e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyvoid *SimpleBugOnSTack(void *x = 0) { 11861e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char a[20]; 11871e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(a)[20] = 0; 11881e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany return 0; 11891e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 11901e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 11911e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, DISABLED_DemoStackTest) { 11921e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany SimpleBugOnSTack(); 11931e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 11941e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 11951e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, DISABLED_DemoThreadStackTest) { 11961e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_t t; 11972697687059e64a4f1319dc23a0a3ca59982d53f6Kostya Serebryany PTHREAD_CREATE(&t, 0, SimpleBugOnSTack, 0); 11982697687059e64a4f1319dc23a0a3ca59982d53f6Kostya Serebryany PTHREAD_JOIN(t, 0); 11991e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 12001e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 12011e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, DISABLED_DemoUAFLowIn) { 12021e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany uaf_test<U1>(10, 0); 12031e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 12041e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, DISABLED_DemoUAFLowLeft) { 12051e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany uaf_test<U1>(10, -2); 12061e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 12071e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, DISABLED_DemoUAFLowRight) { 12081e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany uaf_test<U1>(10, 10); 12091e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 12101e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 12111e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, DISABLED_DemoUAFHigh) { 12121e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany uaf_test<U1>(kLargeMalloc, 0); 12131e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 12141e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 12151e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, DISABLED_DemoOOM) { 12165af39e50366f1aacbebc284f572f08ad1ad07357Kostya Serebryany size_t size = SANITIZER_WORDSIZE == 64 ? (size_t)(1ULL << 40) : (0xf0000000); 12171e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany printf("%p\n", malloc(size)); 12181e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 12191e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 12201e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, DISABLED_DemoDoubleFreeTest) { 12211e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany DoubleFree(); 12221e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 12231e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 12241e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, DISABLED_DemoNullDerefTest) { 12251e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *a = 0; 12261e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(a)[10] = 0; 12271e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 12281e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 12291e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, DISABLED_DemoFunctionStaticTest) { 12301e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany static char a[100]; 12311e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany static char b[100]; 12321e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany static char c[100]; 12331e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(a); 12341e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(b); 12351e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(c); 12361e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(a)[5] = 0; 12371e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(b)[105] = 0; 12381e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(a)[5] = 0; 12391e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 12401e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 12411e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, DISABLED_DemoTooMuchMemoryTest) { 12421e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany const size_t kAllocSize = (1 << 28) - 1024; 12431e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany size_t total_size = 0; 12441e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany while (true) { 12451e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *x = (char*)malloc(kAllocSize); 12461e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany memset(x, 0, kAllocSize); 12471e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany total_size += kAllocSize; 12480aa04b3f432bc55e7c116d5280685ee3f243be8eKostya Serebryany fprintf(stderr, "total: %ldM %p\n", (long)total_size >> 20, x); 12491e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 12501e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 12511e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 12524eaa17848ed02cae465f10aa5fe095e42dbf0d61Kostya Serebryany// http://code.google.com/p/address-sanitizer/issues/detail?id=66 12530796393f2088e3b75c4110934451160eeb037fabKostya SerebryanyTEST(AddressSanitizer, BufferOverflowAfterManyFrees) { 12544eaa17848ed02cae465f10aa5fe095e42dbf0d61Kostya Serebryany for (int i = 0; i < 1000000; i++) { 12554eaa17848ed02cae465f10aa5fe095e42dbf0d61Kostya Serebryany delete [] (Ident(new char [8644])); 12564eaa17848ed02cae465f10aa5fe095e42dbf0d61Kostya Serebryany } 12574eaa17848ed02cae465f10aa5fe095e42dbf0d61Kostya Serebryany char *x = new char[8192]; 1258ca9b5dd9922fb7f6e0ca06dbba7db7398b8997f1Kostya Serebryany EXPECT_DEATH(x[Ident(8192)] = 0, "AddressSanitizer: heap-buffer-overflow"); 12594eaa17848ed02cae465f10aa5fe095e42dbf0d61Kostya Serebryany delete [] Ident(x); 12604eaa17848ed02cae465f10aa5fe095e42dbf0d61Kostya Serebryany} 12614eaa17848ed02cae465f10aa5fe095e42dbf0d61Kostya Serebryany 12621e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 12635b6eab9dc5572a66e3af54ab087255ffa4dd5185Evgeniy Stepanov// Test that instrumentation of stack allocations takes into account 12645b6eab9dc5572a66e3af54ab087255ffa4dd5185Evgeniy Stepanov// AllocSize of a type, and not its StoreSize (16 vs 10 bytes for long double). 12655b6eab9dc5572a66e3af54ab087255ffa4dd5185Evgeniy Stepanov// See http://llvm.org/bugs/show_bug.cgi?id=12047 for more details. 12665b6eab9dc5572a66e3af54ab087255ffa4dd5185Evgeniy StepanovTEST(AddressSanitizer, LongDoubleNegativeTest) { 12675b6eab9dc5572a66e3af54ab087255ffa4dd5185Evgeniy Stepanov long double a, b; 12689b90e95d4dc59c6d97ed73b2470f5e21e7b346d5Kostya Serebryany static long double c; 12695b6eab9dc5572a66e3af54ab087255ffa4dd5185Evgeniy Stepanov memcpy(Ident(&a), Ident(&b), sizeof(long double)); 12709b90e95d4dc59c6d97ed73b2470f5e21e7b346d5Kostya Serebryany memcpy(Ident(&c), Ident(&b), sizeof(long double)); 127176e842845c927e92c2c21c41ac51e364fa17528cAlexey Samsonov} 127256d3472104dd9fec6578e02f4895f3254e038e8eEvgeniy Stepanov 12732d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines#if !defined(_WIN32) 127456d3472104dd9fec6578e02f4895f3254e038e8eEvgeniy StepanovTEST(AddressSanitizer, pthread_getschedparam) { 127556d3472104dd9fec6578e02f4895f3254e038e8eEvgeniy Stepanov int policy; 127656d3472104dd9fec6578e02f4895f3254e038e8eEvgeniy Stepanov struct sched_param param; 127730e970f769ccf11e61e472c6f8b22f8e866c592fKostya Serebryany EXPECT_DEATH( 127830e970f769ccf11e61e472c6f8b22f8e866c592fKostya Serebryany pthread_getschedparam(pthread_self(), &policy, Ident(¶m) + 2), 1279722f2e6a6125a0d5c9d453278b0f292e3410124dAlexey Samsonov "AddressSanitizer: stack-buffer-.*flow"); 128030e970f769ccf11e61e472c6f8b22f8e866c592fKostya Serebryany EXPECT_DEATH( 128130e970f769ccf11e61e472c6f8b22f8e866c592fKostya Serebryany pthread_getschedparam(pthread_self(), Ident(&policy) - 1, ¶m), 1282722f2e6a6125a0d5c9d453278b0f292e3410124dAlexey Samsonov "AddressSanitizer: stack-buffer-.*flow"); 128356d3472104dd9fec6578e02f4895f3254e038e8eEvgeniy Stepanov int res = pthread_getschedparam(pthread_self(), &policy, ¶m); 128456d3472104dd9fec6578e02f4895f3254e038e8eEvgeniy Stepanov ASSERT_EQ(0, res); 128556d3472104dd9fec6578e02f4895f3254e038e8eEvgeniy Stepanov} 12862d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines#endif 1287