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-rw-r--r--lib/asan/tests/asan_test.cc1361
1 files changed, 0 insertions, 1361 deletions
diff --git a/lib/asan/tests/asan_test.cc b/lib/asan/tests/asan_test.cc
deleted file mode 100644
index 25d6a20834503..0000000000000
--- a/lib/asan/tests/asan_test.cc
+++ /dev/null
@@ -1,1361 +0,0 @@
-//===-- asan_test.cc ------------------------------------------------------===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file is a part of AddressSanitizer, an address sanity checker.
-//
-//===----------------------------------------------------------------------===//
-#include "asan_test_utils.h"
-
-#include <errno.h>
-#include <stdarg.h>
-
-#ifdef _LIBCPP_GET_C_LOCALE
-#define SANITIZER_GET_C_LOCALE _LIBCPP_GET_C_LOCALE
-#else
-#if defined(__FreeBSD__)
-#define SANITIZER_GET_C_LOCALE 0
-#elif defined(__NetBSD__)
-#define SANITIZER_GET_C_LOCALE LC_C_LOCALE
-#endif
-#endif
-
-#if defined(__sun__) && defined(__svr4__)
-using std::_setjmp;
-using std::_longjmp;
-#endif
-
-NOINLINE void *malloc_fff(size_t size) {
- void *res = malloc/**/(size); break_optimization(0); return res;}
-NOINLINE void *malloc_eee(size_t size) {
- void *res = malloc_fff(size); break_optimization(0); return res;}
-NOINLINE void *malloc_ddd(size_t size) {
- void *res = malloc_eee(size); break_optimization(0); return res;}
-NOINLINE void *malloc_ccc(size_t size) {
- void *res = malloc_ddd(size); break_optimization(0); return res;}
-NOINLINE void *malloc_bbb(size_t size) {
- void *res = malloc_ccc(size); break_optimization(0); return res;}
-NOINLINE void *malloc_aaa(size_t size) {
- void *res = malloc_bbb(size); break_optimization(0); return res;}
-
-NOINLINE void free_ccc(void *p) { free(p); break_optimization(0);}
-NOINLINE void free_bbb(void *p) { free_ccc(p); break_optimization(0);}
-NOINLINE void free_aaa(void *p) { free_bbb(p); break_optimization(0);}
-
-template<typename T>
-NOINLINE void uaf_test(int size, int off) {
- void *p = malloc_aaa(size);
- free_aaa(p);
- for (int i = 1; i < 100; i++)
- free_aaa(malloc_aaa(i));
- fprintf(stderr, "writing %ld byte(s) at %p with offset %d\n",
- (long)sizeof(T), p, off);
- asan_write((T *)((char *)p + off));
-}
-
-TEST(AddressSanitizer, HasFeatureAddressSanitizerTest) {
-#if defined(__has_feature) && __has_feature(address_sanitizer)
- bool asan = 1;
-#elif defined(__SANITIZE_ADDRESS__)
- bool asan = 1;
-#else
- bool asan = 0;
-#endif
- EXPECT_EQ(true, asan);
-}
-
-TEST(AddressSanitizer, SimpleDeathTest) {
- EXPECT_DEATH(exit(1), "");
-}
-
-TEST(AddressSanitizer, VariousMallocsTest) {
- int *a = (int*)malloc(100 * sizeof(int));
- a[50] = 0;
- free(a);
-
- int *r = (int*)malloc(10);
- r = (int*)realloc(r, 2000 * sizeof(int));
- r[1000] = 0;
- free(r);
-
- int *b = new int[100];
- b[50] = 0;
- delete [] b;
-
- int *c = new int;
- *c = 0;
- delete c;
-
-#if SANITIZER_TEST_HAS_POSIX_MEMALIGN
- void *pm = 0;
- // Valid allocation.
- int pm_res = posix_memalign(&pm, kPageSize, kPageSize);
- EXPECT_EQ(0, pm_res);
- EXPECT_NE(nullptr, pm);
- free(pm);
-#endif // SANITIZER_TEST_HAS_POSIX_MEMALIGN
-
-#if SANITIZER_TEST_HAS_MEMALIGN
- int *ma = (int*)memalign(kPageSize, kPageSize);
- EXPECT_EQ(0U, (uintptr_t)ma % kPageSize);
- ma[123] = 0;
- free(ma);
-#endif // SANITIZER_TEST_HAS_MEMALIGN
-}
-
-TEST(AddressSanitizer, CallocTest) {
- int *a = (int*)calloc(100, sizeof(int));
- EXPECT_EQ(0, a[10]);
- free(a);
-}
-
-TEST(AddressSanitizer, CallocReturnsZeroMem) {
- size_t sizes[] = {16, 1000, 10000, 100000, 2100000};
- for (size_t s = 0; s < sizeof(sizes)/sizeof(sizes[0]); s++) {
- size_t size = sizes[s];
- for (size_t iter = 0; iter < 5; iter++) {
- char *x = Ident((char*)calloc(1, size));
- EXPECT_EQ(x[0], 0);
- EXPECT_EQ(x[size - 1], 0);
- EXPECT_EQ(x[size / 2], 0);
- EXPECT_EQ(x[size / 3], 0);
- EXPECT_EQ(x[size / 4], 0);
- memset(x, 0x42, size);
- free(Ident(x));
-#if !defined(_WIN32)
- // FIXME: OOM on Windows. We should just make this a lit test
- // with quarantine size set to 1.
- free(Ident(malloc(Ident(1 << 27)))); // Try to drain the quarantine.
-#endif
- }
- }
-}
-
-// No valloc on Windows or Android.
-#if !defined(_WIN32) && !defined(__ANDROID__)
-TEST(AddressSanitizer, VallocTest) {
- void *a = valloc(100);
- EXPECT_EQ(0U, (uintptr_t)a % kPageSize);
- free(a);
-}
-#endif
-
-#if SANITIZER_TEST_HAS_PVALLOC
-TEST(AddressSanitizer, PvallocTest) {
- char *a = (char*)pvalloc(kPageSize + 100);
- EXPECT_EQ(0U, (uintptr_t)a % kPageSize);
- a[kPageSize + 101] = 1; // we should not report an error here.
- free(a);
-
- a = (char*)pvalloc(0); // pvalloc(0) should allocate at least one page.
- EXPECT_EQ(0U, (uintptr_t)a % kPageSize);
- a[101] = 1; // we should not report an error here.
- free(a);
-}
-#endif // SANITIZER_TEST_HAS_PVALLOC
-
-#if !defined(_WIN32)
-// FIXME: Use an equivalent of pthread_setspecific on Windows.
-void *TSDWorker(void *test_key) {
- if (test_key) {
- pthread_setspecific(*(pthread_key_t*)test_key, (void*)0xfeedface);
- }
- return NULL;
-}
-
-void TSDDestructor(void *tsd) {
- // Spawning a thread will check that the current thread id is not -1.
- pthread_t th;
- PTHREAD_CREATE(&th, NULL, TSDWorker, NULL);
- PTHREAD_JOIN(th, NULL);
-}
-
-// This tests triggers the thread-specific data destruction fiasco which occurs
-// if we don't manage the TSD destructors ourselves. We create a new pthread
-// key with a non-NULL destructor which is likely to be put after the destructor
-// of AsanThread in the list of destructors.
-// In this case the TSD for AsanThread will be destroyed before TSDDestructor
-// is called for the child thread, and a CHECK will fail when we call
-// pthread_create() to spawn the grandchild.
-TEST(AddressSanitizer, DISABLED_TSDTest) {
- pthread_t th;
- pthread_key_t test_key;
- pthread_key_create(&test_key, TSDDestructor);
- PTHREAD_CREATE(&th, NULL, TSDWorker, &test_key);
- PTHREAD_JOIN(th, NULL);
- pthread_key_delete(test_key);
-}
-#endif
-
-TEST(AddressSanitizer, UAF_char) {
- const char *uaf_string = "AddressSanitizer:.*heap-use-after-free";
- EXPECT_DEATH(uaf_test<U1>(1, 0), uaf_string);
- EXPECT_DEATH(uaf_test<U1>(10, 0), uaf_string);
- EXPECT_DEATH(uaf_test<U1>(10, 10), uaf_string);
- EXPECT_DEATH(uaf_test<U1>(kLargeMalloc, 0), uaf_string);
- EXPECT_DEATH(uaf_test<U1>(kLargeMalloc, kLargeMalloc / 2), uaf_string);
-}
-
-TEST(AddressSanitizer, UAF_long_double) {
- if (sizeof(long double) == sizeof(double)) return;
- long double *p = Ident(new long double[10]);
- EXPECT_DEATH(Ident(p)[12] = 0, "WRITE of size 1[026]");
- EXPECT_DEATH(Ident(p)[0] = Ident(p)[12], "READ of size 1[026]");
- delete [] Ident(p);
-}
-
-#if !defined(_WIN32)
-struct Packed5 {
- int x;
- char c;
-} __attribute__((packed));
-#else
-# pragma pack(push, 1)
-struct Packed5 {
- int x;
- char c;
-};
-# pragma pack(pop)
-#endif
-
-TEST(AddressSanitizer, UAF_Packed5) {
- static_assert(sizeof(Packed5) == 5, "Please check the keywords used");
- Packed5 *p = Ident(new Packed5[2]);
- EXPECT_DEATH(p[0] = p[3], "READ of size 5");
- EXPECT_DEATH(p[3] = p[0], "WRITE of size 5");
- delete [] Ident(p);
-}
-
-#if ASAN_HAS_BLACKLIST
-TEST(AddressSanitizer, IgnoreTest) {
- int *x = Ident(new int);
- delete Ident(x);
- *x = 0;
-}
-#endif // ASAN_HAS_BLACKLIST
-
-struct StructWithBitField {
- int bf1:1;
- int bf2:1;
- int bf3:1;
- int bf4:29;
-};
-
-TEST(AddressSanitizer, BitFieldPositiveTest) {
- StructWithBitField *x = new StructWithBitField;
- delete Ident(x);
- EXPECT_DEATH(x->bf1 = 0, "use-after-free");
- EXPECT_DEATH(x->bf2 = 0, "use-after-free");
- EXPECT_DEATH(x->bf3 = 0, "use-after-free");
- EXPECT_DEATH(x->bf4 = 0, "use-after-free");
-}
-
-struct StructWithBitFields_8_24 {
- int a:8;
- int b:24;
-};
-
-TEST(AddressSanitizer, BitFieldNegativeTest) {
- StructWithBitFields_8_24 *x = Ident(new StructWithBitFields_8_24);
- x->a = 0;
- x->b = 0;
- delete Ident(x);
-}
-
-#if ASAN_NEEDS_SEGV
-namespace {
-
-const char kSEGVCrash[] = "AddressSanitizer: SEGV on unknown address";
-const char kOverriddenSigactionHandler[] = "Test sigaction handler\n";
-const char kOverriddenSignalHandler[] = "Test signal handler\n";
-
-TEST(AddressSanitizer, WildAddressTest) {
- char *c = (char*)0x123;
- EXPECT_DEATH(*c = 0, kSEGVCrash);
-}
-
-void my_sigaction_sighandler(int, siginfo_t*, void*) {
- fprintf(stderr, kOverriddenSigactionHandler);
- exit(1);
-}
-
-void my_signal_sighandler(int signum) {
- fprintf(stderr, kOverriddenSignalHandler);
- exit(1);
-}
-
-TEST(AddressSanitizer, SignalTest) {
- struct sigaction sigact;
- memset(&sigact, 0, sizeof(sigact));
- sigact.sa_sigaction = my_sigaction_sighandler;
- sigact.sa_flags = SA_SIGINFO;
- char *c = (char *)0x123;
-
- EXPECT_DEATH(*c = 0, kSEGVCrash);
-
- // ASan should allow to set sigaction()...
- EXPECT_EQ(0, sigaction(SIGSEGV, &sigact, 0));
-#ifdef __APPLE__
- EXPECT_EQ(0, sigaction(SIGBUS, &sigact, 0));
-#endif
- EXPECT_DEATH(*c = 0, kOverriddenSigactionHandler);
-
- // ... and signal().
- EXPECT_NE(SIG_ERR, signal(SIGSEGV, my_signal_sighandler));
- EXPECT_DEATH(*c = 0, kOverriddenSignalHandler);
-}
-} // namespace
-#endif
-
-static void TestLargeMalloc(size_t size) {
- char buff[1024];
- sprintf(buff, "is located 1 bytes to the left of %lu-byte", (long)size);
- EXPECT_DEATH(Ident((char*)malloc(size))[-1] = 0, buff);
-}
-
-TEST(AddressSanitizer, LargeMallocTest) {
- const int max_size = (SANITIZER_WORDSIZE == 32) ? 1 << 26 : 1 << 28;
- for (int i = 113; i < max_size; i = i * 2 + 13) {
- TestLargeMalloc(i);
- }
-}
-
-#if !GTEST_USES_SIMPLE_RE
-TEST(AddressSanitizer, HugeMallocTest) {
- if (SANITIZER_WORDSIZE != 64 || ASAN_AVOID_EXPENSIVE_TESTS) return;
- size_t n_megs = 4100;
- EXPECT_DEATH(Ident((char*)malloc(n_megs << 20))[-1] = 0,
- "is located 1 bytes to the left|"
- "AddressSanitizer failed to allocate");
-}
-#endif
-
-#if SANITIZER_TEST_HAS_MEMALIGN
-void MemalignRun(size_t align, size_t size, int idx) {
- char *p = (char *)memalign(align, size);
- Ident(p)[idx] = 0;
- free(p);
-}
-
-TEST(AddressSanitizer, memalign) {
- for (int align = 16; align <= (1 << 23); align *= 2) {
- size_t size = align * 5;
- EXPECT_DEATH(MemalignRun(align, size, -1),
- "is located 1 bytes to the left");
- EXPECT_DEATH(MemalignRun(align, size, size + 1),
- "is located 1 bytes to the right");
- }
-}
-#endif // SANITIZER_TEST_HAS_MEMALIGN
-
-void *ManyThreadsWorker(void *a) {
- for (int iter = 0; iter < 100; iter++) {
- for (size_t size = 100; size < 2000; size *= 2) {
- free(Ident(malloc(size)));
- }
- }
- return 0;
-}
-
-#if !defined(__aarch64__) && !defined(__powerpc64__)
-// FIXME: Infinite loop in AArch64 (PR24389).
-// FIXME: Also occasional hang on powerpc. Maybe same problem as on AArch64?
-TEST(AddressSanitizer, ManyThreadsTest) {
- const size_t kNumThreads =
- (SANITIZER_WORDSIZE == 32 || ASAN_AVOID_EXPENSIVE_TESTS) ? 30 : 1000;
- pthread_t t[kNumThreads];
- for (size_t i = 0; i < kNumThreads; i++) {
- PTHREAD_CREATE(&t[i], 0, ManyThreadsWorker, (void*)i);
- }
- for (size_t i = 0; i < kNumThreads; i++) {
- PTHREAD_JOIN(t[i], 0);
- }
-}
-#endif
-
-TEST(AddressSanitizer, ReallocTest) {
- const int kMinElem = 5;
- int *ptr = (int*)malloc(sizeof(int) * kMinElem);
- ptr[3] = 3;
- for (int i = 0; i < 10000; i++) {
- ptr = (int*)realloc(ptr,
- (my_rand() % 1000 + kMinElem) * sizeof(int));
- EXPECT_EQ(3, ptr[3]);
- }
- free(ptr);
- // Realloc pointer returned by malloc(0).
- int *ptr2 = Ident((int*)malloc(0));
- ptr2 = Ident((int*)realloc(ptr2, sizeof(*ptr2)));
- *ptr2 = 42;
- EXPECT_EQ(42, *ptr2);
- free(ptr2);
-}
-
-TEST(AddressSanitizer, ReallocFreedPointerTest) {
- void *ptr = Ident(malloc(42));
- ASSERT_TRUE(NULL != ptr);
- free(ptr);
- EXPECT_DEATH(ptr = realloc(ptr, 77), "attempting double-free");
-}
-
-TEST(AddressSanitizer, ReallocInvalidPointerTest) {
- void *ptr = Ident(malloc(42));
- EXPECT_DEATH(ptr = realloc((int*)ptr + 1, 77), "attempting free.*not malloc");
- free(ptr);
-}
-
-TEST(AddressSanitizer, ZeroSizeMallocTest) {
- // Test that malloc(0) and similar functions don't return NULL.
- void *ptr = Ident(malloc(0));
- EXPECT_TRUE(NULL != ptr);
- free(ptr);
-#if SANITIZER_TEST_HAS_POSIX_MEMALIGN
- int pm_res = posix_memalign(&ptr, 1<<20, 0);
- EXPECT_EQ(0, pm_res);
- EXPECT_TRUE(NULL != ptr);
- free(ptr);
-#endif // SANITIZER_TEST_HAS_POSIX_MEMALIGN
- int *int_ptr = new int[0];
- int *int_ptr2 = new int[0];
- EXPECT_TRUE(NULL != int_ptr);
- EXPECT_TRUE(NULL != int_ptr2);
- EXPECT_NE(int_ptr, int_ptr2);
- delete[] int_ptr;
- delete[] int_ptr2;
-}
-
-#if SANITIZER_TEST_HAS_MALLOC_USABLE_SIZE
-static const char *kMallocUsableSizeErrorMsg =
- "AddressSanitizer: attempting to call malloc_usable_size()";
-
-TEST(AddressSanitizer, MallocUsableSizeTest) {
- const size_t kArraySize = 100;
- char *array = Ident((char*)malloc(kArraySize));
- int *int_ptr = Ident(new int);
- EXPECT_EQ(0U, malloc_usable_size(NULL));
- EXPECT_EQ(kArraySize, malloc_usable_size(array));
- EXPECT_EQ(sizeof(int), malloc_usable_size(int_ptr));
- EXPECT_DEATH(malloc_usable_size((void*)0x123), kMallocUsableSizeErrorMsg);
- EXPECT_DEATH(malloc_usable_size(array + kArraySize / 2),
- kMallocUsableSizeErrorMsg);
- free(array);
- EXPECT_DEATH(malloc_usable_size(array), kMallocUsableSizeErrorMsg);
- delete int_ptr;
-}
-#endif // SANITIZER_TEST_HAS_MALLOC_USABLE_SIZE
-
-void WrongFree() {
- int *x = (int*)malloc(100 * sizeof(int));
- // Use the allocated memory, otherwise Clang will optimize it out.
- Ident(x);
- free(x + 1);
-}
-
-#if !defined(_WIN32) // FIXME: This should be a lit test.
-TEST(AddressSanitizer, WrongFreeTest) {
- EXPECT_DEATH(WrongFree(), ASAN_PCRE_DOTALL
- "ERROR: AddressSanitizer: attempting free.*not malloc"
- ".*is located 4 bytes inside of 400-byte region"
- ".*allocated by thread");
-}
-#endif
-
-void DoubleFree() {
- int *x = (int*)malloc(100 * sizeof(int));
- fprintf(stderr, "DoubleFree: x=%p\n", (void *)x);
- free(x);
- free(x);
- fprintf(stderr, "should have failed in the second free(%p)\n", (void *)x);
- abort();
-}
-
-#if !defined(_WIN32) // FIXME: This should be a lit test.
-TEST(AddressSanitizer, DoubleFreeTest) {
- EXPECT_DEATH(DoubleFree(), ASAN_PCRE_DOTALL
- "ERROR: AddressSanitizer: attempting double-free"
- ".*is located 0 bytes inside of 400-byte region"
- ".*freed by thread T0 here"
- ".*previously allocated by thread T0 here");
-}
-#endif
-
-template<int kSize>
-NOINLINE void SizedStackTest() {
- char a[kSize];
- char *A = Ident((char*)&a);
- const char *expected_death = "AddressSanitizer: stack-buffer-";
- for (size_t i = 0; i < kSize; i++)
- A[i] = i;
- EXPECT_DEATH(A[-1] = 0, expected_death);
- EXPECT_DEATH(A[-5] = 0, expected_death);
- EXPECT_DEATH(A[kSize] = 0, expected_death);
- EXPECT_DEATH(A[kSize + 1] = 0, expected_death);
- EXPECT_DEATH(A[kSize + 5] = 0, expected_death);
- if (kSize > 16)
- EXPECT_DEATH(A[kSize + 31] = 0, expected_death);
-}
-
-TEST(AddressSanitizer, SimpleStackTest) {
- SizedStackTest<1>();
- SizedStackTest<2>();
- SizedStackTest<3>();
- SizedStackTest<4>();
- SizedStackTest<5>();
- SizedStackTest<6>();
- SizedStackTest<7>();
- SizedStackTest<16>();
- SizedStackTest<25>();
- SizedStackTest<34>();
- SizedStackTest<43>();
- SizedStackTest<51>();
- SizedStackTest<62>();
- SizedStackTest<64>();
- SizedStackTest<128>();
-}
-
-#if !defined(_WIN32)
-// FIXME: It's a bit hard to write multi-line death test expectations
-// in a portable way. Anyways, this should just be turned into a lit test.
-TEST(AddressSanitizer, ManyStackObjectsTest) {
- char XXX[10];
- char YYY[20];
- char ZZZ[30];
- Ident(XXX);
- Ident(YYY);
- EXPECT_DEATH(Ident(ZZZ)[-1] = 0, ASAN_PCRE_DOTALL "XXX.*YYY.*ZZZ");
-}
-#endif
-
-#if 0 // This test requires online symbolizer.
-// Moved to lit_tests/stack-oob-frames.cc.
-// Reenable here once we have online symbolizer by default.
-NOINLINE static void Frame0(int frame, char *a, char *b, char *c) {
- char d[4] = {0};
- char *D = Ident(d);
- switch (frame) {
- case 3: a[5]++; break;
- case 2: b[5]++; break;
- case 1: c[5]++; break;
- case 0: D[5]++; break;
- }
-}
-NOINLINE static void Frame1(int frame, char *a, char *b) {
- char c[4] = {0}; Frame0(frame, a, b, c);
- break_optimization(0);
-}
-NOINLINE static void Frame2(int frame, char *a) {
- char b[4] = {0}; Frame1(frame, a, b);
- break_optimization(0);
-}
-NOINLINE static void Frame3(int frame) {
- char a[4] = {0}; Frame2(frame, a);
- break_optimization(0);
-}
-
-TEST(AddressSanitizer, GuiltyStackFrame0Test) {
- EXPECT_DEATH(Frame3(0), "located .*in frame <.*Frame0");
-}
-TEST(AddressSanitizer, GuiltyStackFrame1Test) {
- EXPECT_DEATH(Frame3(1), "located .*in frame <.*Frame1");
-}
-TEST(AddressSanitizer, GuiltyStackFrame2Test) {
- EXPECT_DEATH(Frame3(2), "located .*in frame <.*Frame2");
-}
-TEST(AddressSanitizer, GuiltyStackFrame3Test) {
- EXPECT_DEATH(Frame3(3), "located .*in frame <.*Frame3");
-}
-#endif
-
-NOINLINE void LongJmpFunc1(jmp_buf buf) {
- // create three red zones for these two stack objects.
- int a;
- int b;
-
- int *A = Ident(&a);
- int *B = Ident(&b);
- *A = *B;
- longjmp(buf, 1);
-}
-
-NOINLINE void TouchStackFunc() {
- int a[100]; // long array will intersect with redzones from LongJmpFunc1.
- int *A = Ident(a);
- for (int i = 0; i < 100; i++)
- A[i] = i*i;
-}
-
-// Test that we handle longjmp and do not report false positives on stack.
-TEST(AddressSanitizer, LongJmpTest) {
- static jmp_buf buf;
- if (!setjmp(buf)) {
- LongJmpFunc1(buf);
- } else {
- TouchStackFunc();
- }
-}
-
-#if !defined(_WIN32) // Only basic longjmp is available on Windows.
-NOINLINE void UnderscopeLongJmpFunc1(jmp_buf buf) {
- // create three red zones for these two stack objects.
- int a;
- int b;
-
- int *A = Ident(&a);
- int *B = Ident(&b);
- *A = *B;
- _longjmp(buf, 1);
-}
-
-NOINLINE void SigLongJmpFunc1(sigjmp_buf buf) {
- // create three red zones for these two stack objects.
- int a;
- int b;
-
- int *A = Ident(&a);
- int *B = Ident(&b);
- *A = *B;
- siglongjmp(buf, 1);
-}
-
-#if !defined(__ANDROID__) && !defined(__arm__) && \
- !defined(__aarch64__) && !defined(__mips__) && \
- !defined(__mips64) && !defined(__s390__)
-NOINLINE void BuiltinLongJmpFunc1(jmp_buf buf) {
- // create three red zones for these two stack objects.
- int a;
- int b;
-
- int *A = Ident(&a);
- int *B = Ident(&b);
- *A = *B;
- __builtin_longjmp((void**)buf, 1);
-}
-
-// Does not work on ARM:
-// https://github.com/google/sanitizers/issues/185
-TEST(AddressSanitizer, BuiltinLongJmpTest) {
- static jmp_buf buf;
- if (!__builtin_setjmp((void**)buf)) {
- BuiltinLongJmpFunc1(buf);
- } else {
- TouchStackFunc();
- }
-}
-#endif // !defined(__ANDROID__) && !defined(__arm__) &&
- // !defined(__aarch64__) && !defined(__mips__)
- // !defined(__mips64) && !defined(__s390__)
-
-TEST(AddressSanitizer, UnderscopeLongJmpTest) {
- static jmp_buf buf;
- if (!_setjmp(buf)) {
- UnderscopeLongJmpFunc1(buf);
- } else {
- TouchStackFunc();
- }
-}
-
-TEST(AddressSanitizer, SigLongJmpTest) {
- static sigjmp_buf buf;
- if (!sigsetjmp(buf, 1)) {
- SigLongJmpFunc1(buf);
- } else {
- TouchStackFunc();
- }
-}
-#endif
-
-// FIXME: Why does clang-cl define __EXCEPTIONS?
-#if defined(__EXCEPTIONS) && !defined(_WIN32)
-NOINLINE void ThrowFunc() {
- // create three red zones for these two stack objects.
- int a;
- int b;
-
- int *A = Ident(&a);
- int *B = Ident(&b);
- *A = *B;
- ASAN_THROW(1);
-}
-
-TEST(AddressSanitizer, CxxExceptionTest) {
- if (ASAN_UAR) return;
- // TODO(kcc): this test crashes on 32-bit for some reason...
- if (SANITIZER_WORDSIZE == 32) return;
- try {
- ThrowFunc();
- } catch(...) {}
- TouchStackFunc();
-}
-#endif
-
-void *ThreadStackReuseFunc1(void *unused) {
- // create three red zones for these two stack objects.
- int a;
- int b;
-
- int *A = Ident(&a);
- int *B = Ident(&b);
- *A = *B;
- pthread_exit(0);
- return 0;
-}
-
-void *ThreadStackReuseFunc2(void *unused) {
- TouchStackFunc();
- return 0;
-}
-
-#if !defined(__thumb__)
-TEST(AddressSanitizer, ThreadStackReuseTest) {
- pthread_t t;
- PTHREAD_CREATE(&t, 0, ThreadStackReuseFunc1, 0);
- PTHREAD_JOIN(t, 0);
- PTHREAD_CREATE(&t, 0, ThreadStackReuseFunc2, 0);
- PTHREAD_JOIN(t, 0);
-}
-#endif
-
-#if defined(__SSE2__)
-#include <emmintrin.h>
-TEST(AddressSanitizer, Store128Test) {
- char *a = Ident((char*)malloc(Ident(12)));
- char *p = a;
- if (((uintptr_t)a % 16) != 0)
- p = a + 8;
- assert(((uintptr_t)p % 16) == 0);
- __m128i value_wide = _mm_set1_epi16(0x1234);
- EXPECT_DEATH(_mm_store_si128((__m128i*)p, value_wide),
- "AddressSanitizer: heap-buffer-overflow");
- EXPECT_DEATH(_mm_store_si128((__m128i*)p, value_wide),
- "WRITE of size 16");
- EXPECT_DEATH(_mm_store_si128((__m128i*)p, value_wide),
- "located 0 bytes to the right of 12-byte");
- free(a);
-}
-#endif
-
-// FIXME: All tests that use this function should be turned into lit tests.
-string RightOOBErrorMessage(int oob_distance, bool is_write) {
- assert(oob_distance >= 0);
- char expected_str[100];
- sprintf(expected_str, ASAN_PCRE_DOTALL
-#if !GTEST_USES_SIMPLE_RE
- "buffer-overflow.*%s.*"
-#endif
- "located %d bytes to the right",
-#if !GTEST_USES_SIMPLE_RE
- is_write ? "WRITE" : "READ",
-#endif
- oob_distance);
- return string(expected_str);
-}
-
-string RightOOBWriteMessage(int oob_distance) {
- return RightOOBErrorMessage(oob_distance, /*is_write*/true);
-}
-
-string RightOOBReadMessage(int oob_distance) {
- return RightOOBErrorMessage(oob_distance, /*is_write*/false);
-}
-
-// FIXME: All tests that use this function should be turned into lit tests.
-string LeftOOBErrorMessage(int oob_distance, bool is_write) {
- assert(oob_distance > 0);
- char expected_str[100];
- sprintf(expected_str,
-#if !GTEST_USES_SIMPLE_RE
- ASAN_PCRE_DOTALL "%s.*"
-#endif
- "located %d bytes to the left",
-#if !GTEST_USES_SIMPLE_RE
- is_write ? "WRITE" : "READ",
-#endif
- oob_distance);
- return string(expected_str);
-}
-
-string LeftOOBWriteMessage(int oob_distance) {
- return LeftOOBErrorMessage(oob_distance, /*is_write*/true);
-}
-
-string LeftOOBReadMessage(int oob_distance) {
- return LeftOOBErrorMessage(oob_distance, /*is_write*/false);
-}
-
-string LeftOOBAccessMessage(int oob_distance) {
- assert(oob_distance > 0);
- char expected_str[100];
- sprintf(expected_str, "located %d bytes to the left", oob_distance);
- return string(expected_str);
-}
-
-char* MallocAndMemsetString(size_t size, char ch) {
- char *s = Ident((char*)malloc(size));
- memset(s, ch, size);
- return s;
-}
-
-char* MallocAndMemsetString(size_t size) {
- return MallocAndMemsetString(size, 'z');
-}
-
-#if defined(__linux__) && !defined(__ANDROID__)
-#define READ_TEST(READ_N_BYTES) \
- char *x = new char[10]; \
- int fd = open("/proc/self/stat", O_RDONLY); \
- ASSERT_GT(fd, 0); \
- EXPECT_DEATH(READ_N_BYTES, \
- ASAN_PCRE_DOTALL \
- "AddressSanitizer: heap-buffer-overflow" \
- ".* is located 0 bytes to the right of 10-byte region"); \
- close(fd); \
- delete [] x; \
-
-TEST(AddressSanitizer, pread) {
- READ_TEST(pread(fd, x, 15, 0));
-}
-
-TEST(AddressSanitizer, pread64) {
- READ_TEST(pread64(fd, x, 15, 0));
-}
-
-TEST(AddressSanitizer, read) {
- READ_TEST(read(fd, x, 15));
-}
-#endif // defined(__linux__) && !defined(__ANDROID__)
-
-// This test case fails
-// Clang optimizes memcpy/memset calls which lead to unaligned access
-TEST(AddressSanitizer, DISABLED_MemIntrinsicUnalignedAccessTest) {
- int size = Ident(4096);
- char *s = Ident((char*)malloc(size));
- EXPECT_DEATH(memset(s + size - 1, 0, 2), RightOOBWriteMessage(0));
- free(s);
-}
-
-NOINLINE static int LargeFunction(bool do_bad_access) {
- int *x = new int[100];
- x[0]++;
- x[1]++;
- x[2]++;
- x[3]++;
- x[4]++;
- x[5]++;
- x[6]++;
- x[7]++;
- x[8]++;
- x[9]++;
-
- x[do_bad_access ? 100 : 0]++; int res = __LINE__;
-
- x[10]++;
- x[11]++;
- x[12]++;
- x[13]++;
- x[14]++;
- x[15]++;
- x[16]++;
- x[17]++;
- x[18]++;
- x[19]++;
-
- delete[] x;
- return res;
-}
-
-// Test the we have correct debug info for the failing instruction.
-// This test requires the in-process symbolizer to be enabled by default.
-TEST(AddressSanitizer, DISABLED_LargeFunctionSymbolizeTest) {
- int failing_line = LargeFunction(false);
- char expected_warning[128];
- sprintf(expected_warning, "LargeFunction.*asan_test.*:%d", failing_line);
- EXPECT_DEATH(LargeFunction(true), expected_warning);
-}
-
-// Check that we unwind and symbolize correctly.
-TEST(AddressSanitizer, DISABLED_MallocFreeUnwindAndSymbolizeTest) {
- int *a = (int*)malloc_aaa(sizeof(int));
- *a = 1;
- free_aaa(a);
- EXPECT_DEATH(*a = 1, "free_ccc.*free_bbb.*free_aaa.*"
- "malloc_fff.*malloc_eee.*malloc_ddd");
-}
-
-static bool TryToSetThreadName(const char *name) {
-#if defined(__linux__) && defined(PR_SET_NAME)
- return 0 == prctl(PR_SET_NAME, (unsigned long)name, 0, 0, 0);
-#else
- return false;
-#endif
-}
-
-void *ThreadedTestAlloc(void *a) {
- EXPECT_EQ(true, TryToSetThreadName("AllocThr"));
- int **p = (int**)a;
- *p = new int;
- return 0;
-}
-
-void *ThreadedTestFree(void *a) {
- EXPECT_EQ(true, TryToSetThreadName("FreeThr"));
- int **p = (int**)a;
- delete *p;
- return 0;
-}
-
-void *ThreadedTestUse(void *a) {
- EXPECT_EQ(true, TryToSetThreadName("UseThr"));
- int **p = (int**)a;
- **p = 1;
- return 0;
-}
-
-void ThreadedTestSpawn() {
- pthread_t t;
- int *x;
- PTHREAD_CREATE(&t, 0, ThreadedTestAlloc, &x);
- PTHREAD_JOIN(t, 0);
- PTHREAD_CREATE(&t, 0, ThreadedTestFree, &x);
- PTHREAD_JOIN(t, 0);
- PTHREAD_CREATE(&t, 0, ThreadedTestUse, &x);
- PTHREAD_JOIN(t, 0);
-}
-
-#if !defined(_WIN32) // FIXME: This should be a lit test.
-TEST(AddressSanitizer, ThreadedTest) {
- EXPECT_DEATH(ThreadedTestSpawn(),
- ASAN_PCRE_DOTALL
- "Thread T.*created"
- ".*Thread T.*created"
- ".*Thread T.*created");
-}
-#endif
-
-void *ThreadedTestFunc(void *unused) {
- // Check if prctl(PR_SET_NAME) is supported. Return if not.
- if (!TryToSetThreadName("TestFunc"))
- return 0;
- EXPECT_DEATH(ThreadedTestSpawn(),
- ASAN_PCRE_DOTALL
- "WRITE .*thread T. .UseThr."
- ".*freed by thread T. .FreeThr. here:"
- ".*previously allocated by thread T. .AllocThr. here:"
- ".*Thread T. .UseThr. created by T.*TestFunc"
- ".*Thread T. .FreeThr. created by T"
- ".*Thread T. .AllocThr. created by T"
- "");
- return 0;
-}
-
-TEST(AddressSanitizer, ThreadNamesTest) {
- // Run ThreadedTestFunc in a separate thread because it tries to set a
- // thread name and we don't want to change the main thread's name.
- pthread_t t;
- PTHREAD_CREATE(&t, 0, ThreadedTestFunc, 0);
- PTHREAD_JOIN(t, 0);
-}
-
-#if ASAN_NEEDS_SEGV
-TEST(AddressSanitizer, ShadowGapTest) {
-#if SANITIZER_WORDSIZE == 32
- char *addr = (char*)0x23000000;
-#else
-# if defined(__powerpc64__)
- char *addr = (char*)0x024000800000;
-# elif defined(__s390x__)
- char *addr = (char*)0x11000000000000;
-# else
- char *addr = (char*)0x0000100000080000;
-# endif
-#endif
- EXPECT_DEATH(*addr = 1, "AddressSanitizer: (SEGV|BUS) on unknown");
-}
-#endif // ASAN_NEEDS_SEGV
-
-extern "C" {
-NOINLINE static void UseThenFreeThenUse() {
- char *x = Ident((char*)malloc(8));
- *x = 1;
- free_aaa(x);
- *x = 2;
-}
-}
-
-TEST(AddressSanitizer, UseThenFreeThenUseTest) {
- EXPECT_DEATH(UseThenFreeThenUse(), "freed by thread");
-}
-
-TEST(AddressSanitizer, StrDupTest) {
- free(strdup(Ident("123")));
-}
-
-// Currently we create and poison redzone at right of global variables.
-static char static110[110];
-const char ConstGlob[7] = {1, 2, 3, 4, 5, 6, 7};
-static const char StaticConstGlob[3] = {9, 8, 7};
-
-TEST(AddressSanitizer, GlobalTest) {
- static char func_static15[15];
-
- static char fs1[10];
- static char fs2[10];
- static char fs3[10];
-
- glob5[Ident(0)] = 0;
- glob5[Ident(1)] = 0;
- glob5[Ident(2)] = 0;
- glob5[Ident(3)] = 0;
- glob5[Ident(4)] = 0;
-
- EXPECT_DEATH(glob5[Ident(5)] = 0,
- "0 bytes to the right of global variable.*glob5.* size 5");
- EXPECT_DEATH(glob5[Ident(5+6)] = 0,
- "6 bytes to the right of global variable.*glob5.* size 5");
- Ident(static110); // avoid optimizations
- static110[Ident(0)] = 0;
- static110[Ident(109)] = 0;
- EXPECT_DEATH(static110[Ident(110)] = 0,
- "0 bytes to the right of global variable");
- EXPECT_DEATH(static110[Ident(110+7)] = 0,
- "7 bytes to the right of global variable");
-
- Ident(func_static15); // avoid optimizations
- func_static15[Ident(0)] = 0;
- EXPECT_DEATH(func_static15[Ident(15)] = 0,
- "0 bytes to the right of global variable");
- EXPECT_DEATH(func_static15[Ident(15 + 9)] = 0,
- "9 bytes to the right of global variable");
-
- Ident(fs1);
- Ident(fs2);
- Ident(fs3);
-
- // We don't create left redzones, so this is not 100% guaranteed to fail.
- // But most likely will.
- EXPECT_DEATH(fs2[Ident(-1)] = 0, "is located.*of global variable");
-
- EXPECT_DEATH(Ident(Ident(ConstGlob)[8]),
- "is located 1 bytes to the right of .*ConstGlob");
- EXPECT_DEATH(Ident(Ident(StaticConstGlob)[5]),
- "is located 2 bytes to the right of .*StaticConstGlob");
-
- // call stuff from another file.
- GlobalsTest(0);
-}
-
-TEST(AddressSanitizer, GlobalStringConstTest) {
- static const char *zoo = "FOOBAR123";
- const char *p = Ident(zoo);
- EXPECT_DEATH(Ident(p[15]), "is ascii string 'FOOBAR123'");
-}
-
-TEST(AddressSanitizer, FileNameInGlobalReportTest) {
- static char zoo[10];
- const char *p = Ident(zoo);
- // The file name should be present in the report.
- EXPECT_DEATH(Ident(p[15]), "zoo.*asan_test.");
-}
-
-int *ReturnsPointerToALocalObject() {
- int a = 0;
- return Ident(&a);
-}
-
-#if ASAN_UAR == 1
-TEST(AddressSanitizer, LocalReferenceReturnTest) {
- int *(*f)() = Ident(ReturnsPointerToALocalObject);
- int *p = f();
- // Call 'f' a few more times, 'p' should still be poisoned.
- for (int i = 0; i < 32; i++)
- f();
- EXPECT_DEATH(*p = 1, "AddressSanitizer: stack-use-after-return");
- EXPECT_DEATH(*p = 1, "is located.*in frame .*ReturnsPointerToALocal");
-}
-#endif
-
-template <int kSize>
-NOINLINE static void FuncWithStack() {
- char x[kSize];
- Ident(x)[0] = 0;
- Ident(x)[kSize-1] = 0;
-}
-
-static void LotsOfStackReuse() {
- int LargeStack[10000];
- Ident(LargeStack)[0] = 0;
- for (int i = 0; i < 10000; i++) {
- FuncWithStack<128 * 1>();
- FuncWithStack<128 * 2>();
- FuncWithStack<128 * 4>();
- FuncWithStack<128 * 8>();
- FuncWithStack<128 * 16>();
- FuncWithStack<128 * 32>();
- FuncWithStack<128 * 64>();
- FuncWithStack<128 * 128>();
- FuncWithStack<128 * 256>();
- FuncWithStack<128 * 512>();
- Ident(LargeStack)[0] = 0;
- }
-}
-
-TEST(AddressSanitizer, StressStackReuseTest) {
- LotsOfStackReuse();
-}
-
-TEST(AddressSanitizer, ThreadedStressStackReuseTest) {
- const int kNumThreads = 20;
- pthread_t t[kNumThreads];
- for (int i = 0; i < kNumThreads; i++) {
- PTHREAD_CREATE(&t[i], 0, (void* (*)(void *x))LotsOfStackReuse, 0);
- }
- for (int i = 0; i < kNumThreads; i++) {
- PTHREAD_JOIN(t[i], 0);
- }
-}
-
-// pthread_exit tries to perform unwinding stuff that leads to dlopen'ing
-// libgcc_s.so. dlopen in its turn calls malloc to store "libgcc_s.so" string
-// that confuses LSan on Thumb because it fails to understand that this
-// allocation happens in dynamic linker and should be ignored.
-#if !defined(__thumb__)
-static void *PthreadExit(void *a) {
- pthread_exit(0);
- return 0;
-}
-
-TEST(AddressSanitizer, PthreadExitTest) {
- pthread_t t;
- for (int i = 0; i < 1000; i++) {
- PTHREAD_CREATE(&t, 0, PthreadExit, 0);
- PTHREAD_JOIN(t, 0);
- }
-}
-#endif
-
-// FIXME: Why does clang-cl define __EXCEPTIONS?
-#if defined(__EXCEPTIONS) && !defined(_WIN32)
-NOINLINE static void StackReuseAndException() {
- int large_stack[1000];
- Ident(large_stack);
- ASAN_THROW(1);
-}
-
-// TODO(kcc): support exceptions with use-after-return.
-TEST(AddressSanitizer, DISABLED_StressStackReuseAndExceptionsTest) {
- for (int i = 0; i < 10000; i++) {
- try {
- StackReuseAndException();
- } catch(...) {
- }
- }
-}
-#endif
-
-#if !defined(_WIN32)
-TEST(AddressSanitizer, MlockTest) {
- EXPECT_EQ(0, mlockall(MCL_CURRENT));
- EXPECT_EQ(0, mlock((void*)0x12345, 0x5678));
- EXPECT_EQ(0, munlockall());
- EXPECT_EQ(0, munlock((void*)0x987, 0x654));
-}
-#endif
-
-struct LargeStruct {
- int foo[100];
-};
-
-// Test for bug http://llvm.org/bugs/show_bug.cgi?id=11763.
-// Struct copy should not cause asan warning even if lhs == rhs.
-TEST(AddressSanitizer, LargeStructCopyTest) {
- LargeStruct a;
- *Ident(&a) = *Ident(&a);
-}
-
-ATTRIBUTE_NO_SANITIZE_ADDRESS
-static void NoSanitizeAddress() {
- char *foo = new char[10];
- Ident(foo)[10] = 0;
- delete [] foo;
-}
-
-TEST(AddressSanitizer, AttributeNoSanitizeAddressTest) {
- Ident(NoSanitizeAddress)();
-}
-
-// The new/delete/etc mismatch checks don't work on Android,
-// as calls to new/delete go through malloc/free.
-// OS X support is tracked here:
-// https://github.com/google/sanitizers/issues/131
-// Windows support is tracked here:
-// https://github.com/google/sanitizers/issues/309
-#if !defined(__ANDROID__) && \
- !defined(__APPLE__) && \
- !defined(_WIN32)
-static string MismatchStr(const string &str) {
- return string("AddressSanitizer: alloc-dealloc-mismatch \\(") + str;
-}
-
-static string MismatchOrNewDeleteTypeStr(const string &mismatch_str) {
- return "(" + MismatchStr(mismatch_str) +
- ")|(AddressSanitizer: new-delete-type-mismatch)";
-}
-
-TEST(AddressSanitizer, AllocDeallocMismatch) {
- EXPECT_DEATH(free(Ident(new int)),
- MismatchStr("operator new vs free"));
- EXPECT_DEATH(free(Ident(new int[2])),
- MismatchStr("operator new \\[\\] vs free"));
- EXPECT_DEATH(
- delete (Ident(new int[2])),
- MismatchOrNewDeleteTypeStr("operator new \\[\\] vs operator delete"));
- EXPECT_DEATH(delete (Ident((int *)malloc(2 * sizeof(int)))),
- MismatchOrNewDeleteTypeStr("malloc vs operator delete"));
- EXPECT_DEATH(delete [] (Ident(new int)),
- MismatchStr("operator new vs operator delete \\[\\]"));
- EXPECT_DEATH(delete [] (Ident((int*)malloc(2 * sizeof(int)))),
- MismatchStr("malloc vs operator delete \\[\\]"));
-}
-#endif
-
-// ------------------ demo tests; run each one-by-one -------------
-// e.g. --gtest_filter=*DemoOOBLeftHigh --gtest_also_run_disabled_tests
-TEST(AddressSanitizer, DISABLED_DemoThreadedTest) {
- ThreadedTestSpawn();
-}
-
-void *SimpleBugOnSTack(void *x = 0) {
- char a[20];
- Ident(a)[20] = 0;
- return 0;
-}
-
-TEST(AddressSanitizer, DISABLED_DemoStackTest) {
- SimpleBugOnSTack();
-}
-
-TEST(AddressSanitizer, DISABLED_DemoThreadStackTest) {
- pthread_t t;
- PTHREAD_CREATE(&t, 0, SimpleBugOnSTack, 0);
- PTHREAD_JOIN(t, 0);
-}
-
-TEST(AddressSanitizer, DISABLED_DemoUAFLowIn) {
- uaf_test<U1>(10, 0);
-}
-TEST(AddressSanitizer, DISABLED_DemoUAFLowLeft) {
- uaf_test<U1>(10, -2);
-}
-TEST(AddressSanitizer, DISABLED_DemoUAFLowRight) {
- uaf_test<U1>(10, 10);
-}
-
-TEST(AddressSanitizer, DISABLED_DemoUAFHigh) {
- uaf_test<U1>(kLargeMalloc, 0);
-}
-
-TEST(AddressSanitizer, DISABLED_DemoOOM) {
- size_t size = SANITIZER_WORDSIZE == 64 ? (size_t)(1ULL << 40) : (0xf0000000);
- printf("%p\n", malloc(size));
-}
-
-TEST(AddressSanitizer, DISABLED_DemoDoubleFreeTest) {
- DoubleFree();
-}
-
-TEST(AddressSanitizer, DISABLED_DemoNullDerefTest) {
- int *a = 0;
- Ident(a)[10] = 0;
-}
-
-TEST(AddressSanitizer, DISABLED_DemoFunctionStaticTest) {
- static char a[100];
- static char b[100];
- static char c[100];
- Ident(a);
- Ident(b);
- Ident(c);
- Ident(a)[5] = 0;
- Ident(b)[105] = 0;
- Ident(a)[5] = 0;
-}
-
-TEST(AddressSanitizer, DISABLED_DemoTooMuchMemoryTest) {
- const size_t kAllocSize = (1 << 28) - 1024;
- size_t total_size = 0;
- while (true) {
- void *x = malloc(kAllocSize);
- memset(x, 0, kAllocSize);
- total_size += kAllocSize;
- fprintf(stderr, "total: %ldM %p\n", (long)total_size >> 20, x);
- }
-}
-
-// https://github.com/google/sanitizers/issues/66
-TEST(AddressSanitizer, BufferOverflowAfterManyFrees) {
- for (int i = 0; i < 1000000; i++) {
- delete [] (Ident(new char [8644]));
- }
- char *x = new char[8192];
- EXPECT_DEATH(x[Ident(8192)] = 0, "AddressSanitizer: heap-buffer-overflow");
- delete [] Ident(x);
-}
-
-
-// Test that instrumentation of stack allocations takes into account
-// AllocSize of a type, and not its StoreSize (16 vs 10 bytes for long double).
-// See http://llvm.org/bugs/show_bug.cgi?id=12047 for more details.
-TEST(AddressSanitizer, LongDoubleNegativeTest) {
- long double a, b;
- static long double c;
- memcpy(Ident(&a), Ident(&b), sizeof(long double));
- memcpy(Ident(&c), Ident(&b), sizeof(long double));
-}
-
-#if !defined(_WIN32)
-TEST(AddressSanitizer, pthread_getschedparam) {
- int policy;
- struct sched_param param;
- EXPECT_DEATH(
- pthread_getschedparam(pthread_self(), &policy, Ident(&param) + 2),
- "AddressSanitizer: stack-buffer-.*flow");
- EXPECT_DEATH(
- pthread_getschedparam(pthread_self(), Ident(&policy) - 1, &param),
- "AddressSanitizer: stack-buffer-.*flow");
- int res = pthread_getschedparam(pthread_self(), &policy, &param);
- ASSERT_EQ(0, res);
-}
-#endif
-
-#if SANITIZER_TEST_HAS_PRINTF_L
-static int vsnprintf_l_wrapper(char *s, size_t n,
- locale_t l, const char *format, ...) {
- va_list va;
- va_start(va, format);
- int res = vsnprintf_l(s, n , l, format, va);
- va_end(va);
- return res;
-}
-
-TEST(AddressSanitizer, snprintf_l) {
- char buff[5];
- // Check that snprintf_l() works fine with Asan.
- int res = snprintf_l(buff, 5, SANITIZER_GET_C_LOCALE, "%s", "snprintf_l()");
- EXPECT_EQ(12, res);
- // Check that vsnprintf_l() works fine with Asan.
- res = vsnprintf_l_wrapper(buff, 5, SANITIZER_GET_C_LOCALE, "%s",
- "vsnprintf_l()");
- EXPECT_EQ(13, res);
-
- EXPECT_DEATH(
- snprintf_l(buff, 10, SANITIZER_GET_C_LOCALE, "%s", "snprintf_l()"),
- "AddressSanitizer: stack-buffer-overflow");
- EXPECT_DEATH(vsnprintf_l_wrapper(buff, 10, SANITIZER_GET_C_LOCALE, "%s",
- "vsnprintf_l()"),
- "AddressSanitizer: stack-buffer-overflow");
-}
-#endif
generated by cgit v1.2.3 (git 2.25.1) at 2025-06-14 13:19:11 +0000