[compiler-rt] r367563 - compiler-rt: Rename .cc file in lib/msan/tests to .cpp
Nico Weber via llvm-commits
llvm-commits at lists.llvm.org
Thu Aug 1 07:09:37 PDT 2019
Author: nico
Date: Thu Aug 1 07:09:37 2019
New Revision: 367563
URL: http://llvm.org/viewvc/llvm-project?rev=367563&view=rev
Log:
compiler-rt: Rename .cc file in lib/msan/tests to .cpp
Like r367463, but for msan/tests.
Added:
compiler-rt/trunk/lib/msan/tests/msan_loadable.cpp
- copied, changed from r367562, compiler-rt/trunk/lib/msan/tests/msan_loadable.cc
compiler-rt/trunk/lib/msan/tests/msan_test.cpp
- copied, changed from r367562, compiler-rt/trunk/lib/msan/tests/msan_test.cc
compiler-rt/trunk/lib/msan/tests/msan_test_main.cpp
- copied, changed from r367562, compiler-rt/trunk/lib/msan/tests/msan_test_main.cc
Removed:
compiler-rt/trunk/lib/msan/tests/msan_loadable.cc
compiler-rt/trunk/lib/msan/tests/msan_test.cc
compiler-rt/trunk/lib/msan/tests/msan_test_main.cc
Modified:
compiler-rt/trunk/lib/msan/tests/CMakeLists.txt
Modified: compiler-rt/trunk/lib/msan/tests/CMakeLists.txt
URL: http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/lib/msan/tests/CMakeLists.txt?rev=367563&r1=367562&r2=367563&view=diff
==============================================================================
--- compiler-rt/trunk/lib/msan/tests/CMakeLists.txt (original)
+++ compiler-rt/trunk/lib/msan/tests/CMakeLists.txt Thu Aug 1 07:09:37 2019
@@ -11,12 +11,17 @@ set(MSAN_LIBCXX_CFLAGS
-Wno-pedantic)
# Unittest sources and build flags.
-set(MSAN_UNITTEST_SOURCES msan_test.cc msan_test_main.cc)
-set(MSAN_LOADABLE_SOURCE msan_loadable.cc)
+set(MSAN_UNITTEST_SOURCES
+ msan_test.cpp
+ msan_test_main.cpp
+ )
+set(MSAN_LOADABLE_SOURCE
+ msan_loadable.cpp
+ )
set(MSAN_UNITTEST_HEADERS
msan_test_config.h
../../../include/sanitizer/msan_interface.h
-)
+ )
set(MSAN_UNITTEST_COMMON_CFLAGS
-nostdinc++
-isystem ${COMPILER_RT_LIBCXX_PATH}/include
Removed: compiler-rt/trunk/lib/msan/tests/msan_loadable.cc
URL: http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/lib/msan/tests/msan_loadable.cc?rev=367562&view=auto
==============================================================================
--- compiler-rt/trunk/lib/msan/tests/msan_loadable.cc (original)
+++ compiler-rt/trunk/lib/msan/tests/msan_loadable.cc (removed)
@@ -1,26 +0,0 @@
-//===-- msan_loadable.cc --------------------------------------------------===//
-//
-// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-// See https://llvm.org/LICENSE.txt for license information.
-// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-//
-//===----------------------------------------------------------------------===//
-//
-// This file is a part of MemorySanitizer.
-//
-// MemorySanitizer unit tests.
-//===----------------------------------------------------------------------===//
-
-#include "msan/msan_interface_internal.h"
-#include <stdlib.h>
-
-static void *dso_global;
-
-// No name mangling.
-extern "C" {
-
-void **get_dso_global() {
- return &dso_global;
-}
-
-}
Copied: compiler-rt/trunk/lib/msan/tests/msan_loadable.cpp (from r367562, compiler-rt/trunk/lib/msan/tests/msan_loadable.cc)
URL: http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/lib/msan/tests/msan_loadable.cpp?p2=compiler-rt/trunk/lib/msan/tests/msan_loadable.cpp&p1=compiler-rt/trunk/lib/msan/tests/msan_loadable.cc&r1=367562&r2=367563&rev=367563&view=diff
==============================================================================
--- compiler-rt/trunk/lib/msan/tests/msan_loadable.cc (original)
+++ compiler-rt/trunk/lib/msan/tests/msan_loadable.cpp Thu Aug 1 07:09:37 2019
@@ -1,4 +1,4 @@
-//===-- msan_loadable.cc --------------------------------------------------===//
+//===-- msan_loadable.cpp -------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
Removed: compiler-rt/trunk/lib/msan/tests/msan_test.cc
URL: http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/lib/msan/tests/msan_test.cc?rev=367562&view=auto
==============================================================================
--- compiler-rt/trunk/lib/msan/tests/msan_test.cc (original)
+++ compiler-rt/trunk/lib/msan/tests/msan_test.cc (removed)
@@ -1,4800 +0,0 @@
-//===-- msan_test.cc ------------------------------------------------------===//
-//
-// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-// See https://llvm.org/LICENSE.txt for license information.
-// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-//
-//===----------------------------------------------------------------------===//
-//
-// This file is a part of MemorySanitizer.
-//
-// MemorySanitizer unit tests.
-//===----------------------------------------------------------------------===//
-
-#ifndef MSAN_EXTERNAL_TEST_CONFIG
-#include "msan_test_config.h"
-#endif // MSAN_EXTERNAL_TEST_CONFIG
-
-#include "sanitizer_common/tests/sanitizer_test_utils.h"
-
-#include "sanitizer/allocator_interface.h"
-#include "sanitizer/msan_interface.h"
-
-#if defined(__FreeBSD__)
-# define _KERNEL // To declare 'shminfo' structure.
-# include <sys/shm.h>
-# undef _KERNEL
-extern "C" {
-// <sys/shm.h> doesn't declare these functions in _KERNEL mode.
-void *shmat(int, const void *, int);
-int shmget(key_t, size_t, int);
-int shmctl(int, int, struct shmid_ds *);
-int shmdt(const void *);
-}
-#endif
-
-#include <inttypes.h>
-#include <stdlib.h>
-#include <stdarg.h>
-#include <stdio.h>
-#include <wchar.h>
-#include <math.h>
-
-#include <arpa/inet.h>
-#include <dlfcn.h>
-#include <grp.h>
-#include <unistd.h>
-#include <link.h>
-#include <limits.h>
-#include <sys/time.h>
-#include <poll.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-#include <sys/resource.h>
-#include <sys/ioctl.h>
-#include <sys/statvfs.h>
-#include <sys/utsname.h>
-#include <sys/mman.h>
-#include <dirent.h>
-#include <pwd.h>
-#include <sys/socket.h>
-#include <netdb.h>
-#include <wordexp.h>
-#include <sys/ipc.h>
-#include <sys/shm.h>
-
-#if defined(__NetBSD__)
-# include <signal.h>
-# include <netinet/in.h>
-# include <sys/uio.h>
-# include <sys/mount.h>
-# include <sys/sysctl.h>
-# include <net/if.h>
-# include <net/if_ether.h>
-#elif defined(__FreeBSD__)
-# include <signal.h>
-# include <netinet/in.h>
-# include <pthread_np.h>
-# include <sys/uio.h>
-# include <sys/mount.h>
-# include <sys/sysctl.h>
-# include <net/ethernet.h>
-# define f_namelen f_namemax // FreeBSD names this statfs field so.
-# define cpu_set_t cpuset_t
-extern "C" {
-// FreeBSD's <ssp/string.h> defines mempcpy() to be a macro expanding into
-// a __builtin___mempcpy_chk() call, but since Msan RTL defines it as an
-// ordinary function, we can declare it here to complete the tests.
-void *mempcpy(void *dest, const void *src, size_t n);
-}
-#else
-# include <malloc.h>
-# include <sys/sysinfo.h>
-# include <sys/vfs.h>
-# include <mntent.h>
-# include <netinet/ether.h>
-# if defined(__linux__)
-# include <sys/uio.h>
-# endif
-#endif
-
-#if defined(__i386__) || defined(__x86_64__)
-# include <emmintrin.h>
-# define MSAN_HAS_M128 1
-#else
-# define MSAN_HAS_M128 0
-#endif
-
-#ifdef __AVX2__
-# include <immintrin.h>
-#endif
-
-#if defined(__FreeBSD__) || defined(__NetBSD__)
-# define FILE_TO_READ "/bin/cat"
-# define DIR_TO_READ "/bin"
-# define SUBFILE_TO_READ "cat"
-# define SYMLINK_TO_READ "/usr/bin/tar"
-# define SUPERUSER_GROUP "wheel"
-#else
-# define FILE_TO_READ "/proc/self/stat"
-# define DIR_TO_READ "/proc/self"
-# define SUBFILE_TO_READ "stat"
-# define SYMLINK_TO_READ "/proc/self/exe"
-# define SUPERUSER_GROUP "root"
-#endif
-
-static uintptr_t GetPageSize() {
- return sysconf(_SC_PAGESIZE);
-}
-
-const size_t kMaxPathLength = 4096;
-
-typedef unsigned char U1;
-typedef unsigned short U2; // NOLINT
-typedef unsigned int U4;
-typedef unsigned long long U8; // NOLINT
-typedef signed char S1;
-typedef signed short S2; // NOLINT
-typedef signed int S4;
-typedef signed long long S8; // NOLINT
-#define NOINLINE __attribute__((noinline))
-#define INLINE __attribute__((always_inline))
-
-static bool TrackingOrigins() {
- S8 x;
- __msan_set_origin(&x, sizeof(x), 0x1234);
- U4 origin = __msan_get_origin(&x);
- __msan_set_origin(&x, sizeof(x), 0);
- return __msan_origin_is_descendant_or_same(origin, 0x1234);
-}
-
-#define EXPECT_ORIGIN(expected, origin) \
- EXPECT_TRUE(__msan_origin_is_descendant_or_same((origin), (expected)))
-
-#define EXPECT_UMR(action) \
- do { \
- __msan_set_expect_umr(1); \
- action; \
- __msan_set_expect_umr(0); \
- } while (0)
-
-#define EXPECT_UMR_O(action, origin) \
- do { \
- __msan_set_expect_umr(1); \
- action; \
- __msan_set_expect_umr(0); \
- if (TrackingOrigins()) EXPECT_ORIGIN(origin, __msan_get_umr_origin()); \
- } while (0)
-
-#define EXPECT_POISONED(x) ExpectPoisoned(x)
-
-template <typename T>
-void ExpectPoisoned(const T& t) {
- EXPECT_NE(-1, __msan_test_shadow((void*)&t, sizeof(t)));
-}
-
-#define EXPECT_POISONED_O(x, origin) \
- ExpectPoisonedWithOrigin(x, origin)
-
-template<typename T>
-void ExpectPoisonedWithOrigin(const T& t, unsigned origin) {
- EXPECT_NE(-1, __msan_test_shadow((void*)&t, sizeof(t)));
- if (TrackingOrigins()) EXPECT_ORIGIN(origin, __msan_get_origin((void *)&t));
-}
-
-#define EXPECT_NOT_POISONED(x) EXPECT_EQ(true, TestForNotPoisoned((x)))
-#define EXPECT_NOT_POISONED2(data, size) \
- EXPECT_EQ(true, TestForNotPoisoned((data), (size)))
-
-bool TestForNotPoisoned(const void *data, size_t size) {
- return __msan_test_shadow(data, size) == -1;
-}
-
-template<typename T>
-bool TestForNotPoisoned(const T& t) {
- return TestForNotPoisoned((void *)&t, sizeof(t));
-}
-
-static U8 poisoned_array[100];
-template<class T>
-T *GetPoisoned(int i = 0, T val = 0) {
- T *res = (T*)&poisoned_array[i];
- *res = val;
- __msan_poison(&poisoned_array[i], sizeof(T));
- return res;
-}
-
-template<class T>
-T *GetPoisonedO(int i, U4 origin, T val = 0) {
- T *res = (T*)&poisoned_array[i];
- *res = val;
- __msan_poison(&poisoned_array[i], sizeof(T));
- __msan_set_origin(&poisoned_array[i], sizeof(T), origin);
- return res;
-}
-
-template<typename T>
-T Poisoned(T v = 0, T s = (T)(-1)) {
- __msan_partial_poison(&v, &s, sizeof(T));
- return v;
-}
-
-template<class T> NOINLINE T ReturnPoisoned() { return *GetPoisoned<T>(); }
-
-static volatile int g_one = 1;
-static volatile int g_zero = 0;
-static volatile int g_0 = 0;
-static volatile int g_1 = 1;
-
-S4 a_s4[100];
-S8 a_s8[100];
-
-// Check that malloc poisons memory.
-// A lot of tests below depend on this.
-TEST(MemorySanitizerSanity, PoisonInMalloc) {
- int *x = (int*)malloc(sizeof(int));
- EXPECT_POISONED(*x);
- free(x);
-}
-
-TEST(MemorySanitizer, NegativeTest1) {
- S4 *x = GetPoisoned<S4>();
- if (g_one)
- *x = 0;
- EXPECT_NOT_POISONED(*x);
-}
-
-TEST(MemorySanitizer, PositiveTest1) {
- // Load to store.
- EXPECT_POISONED(*GetPoisoned<S1>());
- EXPECT_POISONED(*GetPoisoned<S2>());
- EXPECT_POISONED(*GetPoisoned<S4>());
- EXPECT_POISONED(*GetPoisoned<S8>());
-
- // S->S conversions.
- EXPECT_POISONED(*GetPoisoned<S1>());
- EXPECT_POISONED(*GetPoisoned<S1>());
- EXPECT_POISONED(*GetPoisoned<S1>());
-
- EXPECT_POISONED(*GetPoisoned<S2>());
- EXPECT_POISONED(*GetPoisoned<S2>());
- EXPECT_POISONED(*GetPoisoned<S2>());
-
- EXPECT_POISONED(*GetPoisoned<S4>());
- EXPECT_POISONED(*GetPoisoned<S4>());
- EXPECT_POISONED(*GetPoisoned<S4>());
-
- EXPECT_POISONED(*GetPoisoned<S8>());
- EXPECT_POISONED(*GetPoisoned<S8>());
- EXPECT_POISONED(*GetPoisoned<S8>());
-
- // ZExt
- EXPECT_POISONED(*GetPoisoned<U1>());
- EXPECT_POISONED(*GetPoisoned<U1>());
- EXPECT_POISONED(*GetPoisoned<U1>());
- EXPECT_POISONED(*GetPoisoned<U2>());
- EXPECT_POISONED(*GetPoisoned<U2>());
- EXPECT_POISONED(*GetPoisoned<U4>());
-
- // Unary ops.
- EXPECT_POISONED(- *GetPoisoned<S4>());
-
- EXPECT_UMR(a_s4[g_zero] = 100 / *GetPoisoned<S4>(0, 1));
-
-
- a_s4[g_zero] = 1 - *GetPoisoned<S4>();
- a_s4[g_zero] = 1 + *GetPoisoned<S4>();
-}
-
-TEST(MemorySanitizer, Phi1) {
- S4 c;
- if (g_one) {
- c = *GetPoisoned<S4>();
- } else {
- break_optimization(0);
- c = 0;
- }
- EXPECT_POISONED(c);
-}
-
-TEST(MemorySanitizer, Phi2) {
- S4 i = *GetPoisoned<S4>();
- S4 n = g_one;
- EXPECT_UMR(for (; i < g_one; i++););
- EXPECT_POISONED(i);
-}
-
-NOINLINE void Arg1ExpectUMR(S4 a1) { EXPECT_POISONED(a1); }
-NOINLINE void Arg2ExpectUMR(S4 a1, S4 a2) { EXPECT_POISONED(a2); }
-NOINLINE void Arg3ExpectUMR(S1 a1, S4 a2, S8 a3) { EXPECT_POISONED(a3); }
-
-TEST(MemorySanitizer, ArgTest) {
- Arg1ExpectUMR(*GetPoisoned<S4>());
- Arg2ExpectUMR(0, *GetPoisoned<S4>());
- Arg3ExpectUMR(0, 1, *GetPoisoned<S8>());
-}
-
-
-TEST(MemorySanitizer, CallAndRet) {
- ReturnPoisoned<S1>();
- ReturnPoisoned<S2>();
- ReturnPoisoned<S4>();
- ReturnPoisoned<S8>();
-
- EXPECT_POISONED(ReturnPoisoned<S1>());
- EXPECT_POISONED(ReturnPoisoned<S2>());
- EXPECT_POISONED(ReturnPoisoned<S4>());
- EXPECT_POISONED(ReturnPoisoned<S8>());
-}
-
-// malloc() in the following test may be optimized to produce a compile-time
-// undef value. Check that we trap on the volatile assignment anyway.
-TEST(MemorySanitizer, DISABLED_MallocNoIdent) {
- S4 *x = (int*)malloc(sizeof(S4));
- EXPECT_POISONED(*x);
- free(x);
-}
-
-TEST(MemorySanitizer, Malloc) {
- S4 *x = (int*)Ident(malloc(sizeof(S4)));
- EXPECT_POISONED(*x);
- free(x);
-}
-
-TEST(MemorySanitizer, Realloc) {
- S4 *x = (int*)Ident(realloc(0, sizeof(S4)));
- EXPECT_POISONED(x[0]);
- x[0] = 1;
- x = (int*)Ident(realloc(x, 2 * sizeof(S4)));
- EXPECT_NOT_POISONED(x[0]); // Ok, was inited before.
- EXPECT_POISONED(x[1]);
- x = (int*)Ident(realloc(x, 3 * sizeof(S4)));
- EXPECT_NOT_POISONED(x[0]); // Ok, was inited before.
- EXPECT_POISONED(x[2]);
- EXPECT_POISONED(x[1]);
- x[2] = 1; // Init this here. Check that after realloc it is poisoned again.
- x = (int*)Ident(realloc(x, 2 * sizeof(S4)));
- EXPECT_NOT_POISONED(x[0]); // Ok, was inited before.
- EXPECT_POISONED(x[1]);
- x = (int*)Ident(realloc(x, 3 * sizeof(S4)));
- EXPECT_POISONED(x[1]);
- EXPECT_POISONED(x[2]);
- free(x);
-}
-
-TEST(MemorySanitizer, Calloc) {
- S4 *x = (int*)Ident(calloc(1, sizeof(S4)));
- EXPECT_NOT_POISONED(*x); // Should not be poisoned.
- EXPECT_EQ(0, *x);
- free(x);
-}
-
-TEST(MemorySanitizer, 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));
- }
- }
-}
-
-TEST(MemorySanitizer, AndOr) {
- U4 *p = GetPoisoned<U4>();
- // We poison two bytes in the midle of a 4-byte word to make the test
- // correct regardless of endianness.
- ((U1*)p)[1] = 0;
- ((U1*)p)[2] = 0xff;
- EXPECT_NOT_POISONED(*p & 0x00ffff00);
- EXPECT_NOT_POISONED(*p & 0x00ff0000);
- EXPECT_NOT_POISONED(*p & 0x0000ff00);
- EXPECT_POISONED(*p & 0xff000000);
- EXPECT_POISONED(*p & 0x000000ff);
- EXPECT_POISONED(*p & 0x0000ffff);
- EXPECT_POISONED(*p & 0xffff0000);
-
- EXPECT_NOT_POISONED(*p | 0xff0000ff);
- EXPECT_NOT_POISONED(*p | 0xff00ffff);
- EXPECT_NOT_POISONED(*p | 0xffff00ff);
- EXPECT_POISONED(*p | 0xff000000);
- EXPECT_POISONED(*p | 0x000000ff);
- EXPECT_POISONED(*p | 0x0000ffff);
- EXPECT_POISONED(*p | 0xffff0000);
-
- EXPECT_POISONED(*GetPoisoned<bool>() & *GetPoisoned<bool>());
-}
-
-template<class T>
-static bool applyNot(T value, T shadow) {
- __msan_partial_poison(&value, &shadow, sizeof(T));
- return !value;
-}
-
-TEST(MemorySanitizer, Not) {
- EXPECT_NOT_POISONED(applyNot<U4>(0x0, 0x0));
- EXPECT_NOT_POISONED(applyNot<U4>(0xFFFFFFFF, 0x0));
- EXPECT_POISONED(applyNot<U4>(0xFFFFFFFF, 0xFFFFFFFF));
- EXPECT_NOT_POISONED(applyNot<U4>(0xFF000000, 0x0FFFFFFF));
- EXPECT_NOT_POISONED(applyNot<U4>(0xFF000000, 0x00FFFFFF));
- EXPECT_NOT_POISONED(applyNot<U4>(0xFF000000, 0x0000FFFF));
- EXPECT_NOT_POISONED(applyNot<U4>(0xFF000000, 0x00000000));
- EXPECT_POISONED(applyNot<U4>(0xFF000000, 0xFF000000));
- EXPECT_NOT_POISONED(applyNot<U4>(0xFF800000, 0xFF000000));
- EXPECT_POISONED(applyNot<U4>(0x00008000, 0x00008000));
-
- EXPECT_NOT_POISONED(applyNot<U1>(0x0, 0x0));
- EXPECT_NOT_POISONED(applyNot<U1>(0xFF, 0xFE));
- EXPECT_NOT_POISONED(applyNot<U1>(0xFF, 0x0));
- EXPECT_POISONED(applyNot<U1>(0xFF, 0xFF));
-
- EXPECT_POISONED(applyNot<void*>((void*)0xFFFFFF, (void*)(-1)));
- EXPECT_NOT_POISONED(applyNot<void*>((void*)0xFFFFFF, (void*)(-2)));
-}
-
-TEST(MemorySanitizer, Shift) {
- U4 *up = GetPoisoned<U4>();
- ((U1*)up)[0] = 0;
- ((U1*)up)[3] = 0xff;
- EXPECT_NOT_POISONED(*up >> 30);
- EXPECT_NOT_POISONED(*up >> 24);
- EXPECT_POISONED(*up >> 23);
- EXPECT_POISONED(*up >> 10);
-
- EXPECT_NOT_POISONED(*up << 30);
- EXPECT_NOT_POISONED(*up << 24);
- EXPECT_POISONED(*up << 23);
- EXPECT_POISONED(*up << 10);
-
- S4 *sp = (S4*)up;
- EXPECT_NOT_POISONED(*sp >> 30);
- EXPECT_NOT_POISONED(*sp >> 24);
- EXPECT_POISONED(*sp >> 23);
- EXPECT_POISONED(*sp >> 10);
-
- sp = GetPoisoned<S4>();
- ((S1*)sp)[1] = 0;
- ((S1*)sp)[2] = 0;
- EXPECT_POISONED(*sp >> 31);
-
- EXPECT_POISONED(100 >> *GetPoisoned<S4>());
- EXPECT_POISONED(100U >> *GetPoisoned<S4>());
-}
-
-NOINLINE static int GetPoisonedZero() {
- int *zero = new int;
- *zero = 0;
- __msan_poison(zero, sizeof(*zero));
- int res = *zero;
- delete zero;
- return res;
-}
-
-TEST(MemorySanitizer, LoadFromDirtyAddress) {
- int *a = new int;
- *a = 0;
- EXPECT_UMR(break_optimization((void*)(U8)a[GetPoisonedZero()]));
- delete a;
-}
-
-TEST(MemorySanitizer, StoreToDirtyAddress) {
- int *a = new int;
- EXPECT_UMR(a[GetPoisonedZero()] = 0);
- break_optimization(a);
- delete a;
-}
-
-
-NOINLINE void StackTestFunc() {
- S4 p4;
- S4 ok4 = 1;
- S2 p2;
- S2 ok2 = 1;
- S1 p1;
- S1 ok1 = 1;
- break_optimization(&p4);
- break_optimization(&ok4);
- break_optimization(&p2);
- break_optimization(&ok2);
- break_optimization(&p1);
- break_optimization(&ok1);
-
- EXPECT_POISONED(p4);
- EXPECT_POISONED(p2);
- EXPECT_POISONED(p1);
- EXPECT_NOT_POISONED(ok1);
- EXPECT_NOT_POISONED(ok2);
- EXPECT_NOT_POISONED(ok4);
-}
-
-TEST(MemorySanitizer, StackTest) {
- StackTestFunc();
-}
-
-NOINLINE void StackStressFunc() {
- int foo[10000];
- break_optimization(foo);
-}
-
-TEST(MemorySanitizer, DISABLED_StackStressTest) {
- for (int i = 0; i < 1000000; i++)
- StackStressFunc();
-}
-
-template<class T>
-void TestFloatingPoint() {
- static volatile T v;
- static T g[100];
- break_optimization(&g);
- T *x = GetPoisoned<T>();
- T *y = GetPoisoned<T>(1);
- EXPECT_POISONED(*x);
- EXPECT_POISONED((long long)*x);
- EXPECT_POISONED((int)*x);
- g[0] = *x;
- g[1] = *x + *y;
- g[2] = *x - *y;
- g[3] = *x * *y;
-}
-
-TEST(MemorySanitizer, FloatingPointTest) {
- TestFloatingPoint<float>();
- TestFloatingPoint<double>();
-}
-
-TEST(MemorySanitizer, DynMem) {
- S4 x = 0;
- S4 *y = GetPoisoned<S4>();
- memcpy(y, &x, g_one * sizeof(S4));
- EXPECT_NOT_POISONED(*y);
-}
-
-static char *DynRetTestStr;
-
-TEST(MemorySanitizer, DynRet) {
- ReturnPoisoned<S8>();
- EXPECT_NOT_POISONED(atoi("0"));
-}
-
-TEST(MemorySanitizer, DynRet1) {
- ReturnPoisoned<S8>();
-}
-
-struct LargeStruct {
- S4 x[10];
-};
-
-NOINLINE
-LargeStruct LargeRetTest() {
- LargeStruct res;
- res.x[0] = *GetPoisoned<S4>();
- res.x[1] = *GetPoisoned<S4>();
- res.x[2] = *GetPoisoned<S4>();
- res.x[3] = *GetPoisoned<S4>();
- res.x[4] = *GetPoisoned<S4>();
- res.x[5] = *GetPoisoned<S4>();
- res.x[6] = *GetPoisoned<S4>();
- res.x[7] = *GetPoisoned<S4>();
- res.x[8] = *GetPoisoned<S4>();
- res.x[9] = *GetPoisoned<S4>();
- return res;
-}
-
-TEST(MemorySanitizer, strcmp) {
- char s1[10];
- char s2[10];
- strncpy(s1, "foo", 10);
- s2[0] = 'f';
- s2[1] = 'n';
- EXPECT_GT(strcmp(s1, s2), 0);
- s2[1] = 'o';
- int res;
- EXPECT_UMR(res = strcmp(s1, s2));
- EXPECT_NOT_POISONED(res);
- EXPECT_EQ(strncmp(s1, s2, 1), 0);
-}
-
-TEST(MemorySanitizer, LargeRet) {
- LargeStruct a = LargeRetTest();
- EXPECT_POISONED(a.x[0]);
- EXPECT_POISONED(a.x[9]);
-}
-
-TEST(MemorySanitizer, strerror) {
- char *buf = strerror(EINVAL);
- EXPECT_NOT_POISONED(strlen(buf));
- buf = strerror(123456);
- EXPECT_NOT_POISONED(strlen(buf));
-}
-
-TEST(MemorySanitizer, strerror_r) {
- errno = 0;
- char buf[1000];
- char *res = (char*) (size_t) strerror_r(EINVAL, buf, sizeof(buf));
- ASSERT_EQ(0, errno);
- if (!res) res = buf; // POSIX version success.
- EXPECT_NOT_POISONED(strlen(res));
-}
-
-TEST(MemorySanitizer, fread) {
- char *x = new char[32];
- FILE *f = fopen(FILE_TO_READ, "r");
- ASSERT_TRUE(f != NULL);
- fread(x, 1, 32, f);
- EXPECT_NOT_POISONED(x[0]);
- EXPECT_NOT_POISONED(x[16]);
- EXPECT_NOT_POISONED(x[31]);
- fclose(f);
- delete[] x;
-}
-
-TEST(MemorySanitizer, read) {
- char *x = new char[32];
- int fd = open(FILE_TO_READ, O_RDONLY);
- ASSERT_GT(fd, 0);
- int sz = read(fd, x, 32);
- ASSERT_EQ(sz, 32);
- EXPECT_NOT_POISONED(x[0]);
- EXPECT_NOT_POISONED(x[16]);
- EXPECT_NOT_POISONED(x[31]);
- close(fd);
- delete[] x;
-}
-
-TEST(MemorySanitizer, pread) {
- char *x = new char[32];
- int fd = open(FILE_TO_READ, O_RDONLY);
- ASSERT_GT(fd, 0);
- int sz = pread(fd, x, 32, 0);
- ASSERT_EQ(sz, 32);
- EXPECT_NOT_POISONED(x[0]);
- EXPECT_NOT_POISONED(x[16]);
- EXPECT_NOT_POISONED(x[31]);
- close(fd);
- delete[] x;
-}
-
-TEST(MemorySanitizer, readv) {
- char buf[2011];
- struct iovec iov[2];
- iov[0].iov_base = buf + 1;
- iov[0].iov_len = 5;
- iov[1].iov_base = buf + 10;
- iov[1].iov_len = 2000;
- int fd = open(FILE_TO_READ, O_RDONLY);
- ASSERT_GT(fd, 0);
- int sz = readv(fd, iov, 2);
- ASSERT_GE(sz, 0);
- ASSERT_LE(sz, 5 + 2000);
- ASSERT_GT((size_t)sz, iov[0].iov_len);
- EXPECT_POISONED(buf[0]);
- EXPECT_NOT_POISONED(buf[1]);
- EXPECT_NOT_POISONED(buf[5]);
- EXPECT_POISONED(buf[6]);
- EXPECT_POISONED(buf[9]);
- EXPECT_NOT_POISONED(buf[10]);
- EXPECT_NOT_POISONED(buf[10 + (sz - 1) - 5]);
- EXPECT_POISONED(buf[11 + (sz - 1) - 5]);
- close(fd);
-}
-
-TEST(MemorySanitizer, preadv) {
- char buf[2011];
- struct iovec iov[2];
- iov[0].iov_base = buf + 1;
- iov[0].iov_len = 5;
- iov[1].iov_base = buf + 10;
- iov[1].iov_len = 2000;
- int fd = open(FILE_TO_READ, O_RDONLY);
- ASSERT_GT(fd, 0);
- int sz = preadv(fd, iov, 2, 3);
- ASSERT_GE(sz, 0);
- ASSERT_LE(sz, 5 + 2000);
- ASSERT_GT((size_t)sz, iov[0].iov_len);
- EXPECT_POISONED(buf[0]);
- EXPECT_NOT_POISONED(buf[1]);
- EXPECT_NOT_POISONED(buf[5]);
- EXPECT_POISONED(buf[6]);
- EXPECT_POISONED(buf[9]);
- EXPECT_NOT_POISONED(buf[10]);
- EXPECT_NOT_POISONED(buf[10 + (sz - 1) - 5]);
- EXPECT_POISONED(buf[11 + (sz - 1) - 5]);
- close(fd);
-}
-
-// FIXME: fails now.
-TEST(MemorySanitizer, DISABLED_ioctl) {
- struct winsize ws;
- EXPECT_EQ(ioctl(2, TIOCGWINSZ, &ws), 0);
- EXPECT_NOT_POISONED(ws.ws_col);
-}
-
-TEST(MemorySanitizer, readlink) {
- char *x = new char[1000];
- readlink(SYMLINK_TO_READ, x, 1000);
- EXPECT_NOT_POISONED(x[0]);
- delete [] x;
-}
-
-TEST(MemorySanitizer, readlinkat) {
- char *x = new char[1000];
- readlinkat(AT_FDCWD, SYMLINK_TO_READ, x, 1000);
- EXPECT_NOT_POISONED(x[0]);
- delete[] x;
-}
-
-TEST(MemorySanitizer, stat) {
- struct stat* st = new struct stat;
- int res = stat(FILE_TO_READ, st);
- ASSERT_EQ(0, res);
- EXPECT_NOT_POISONED(st->st_dev);
- EXPECT_NOT_POISONED(st->st_mode);
- EXPECT_NOT_POISONED(st->st_size);
-}
-
-TEST(MemorySanitizer, fstatat) {
- struct stat* st = new struct stat;
- int dirfd = open(DIR_TO_READ, O_RDONLY);
- ASSERT_GT(dirfd, 0);
- int res = fstatat(dirfd, SUBFILE_TO_READ, st, 0);
- ASSERT_EQ(0, res);
- EXPECT_NOT_POISONED(st->st_dev);
- EXPECT_NOT_POISONED(st->st_mode);
- EXPECT_NOT_POISONED(st->st_size);
- close(dirfd);
-}
-
-#if !defined(__NetBSD__)
-TEST(MemorySanitizer, statfs) {
- struct statfs st;
- int res = statfs("/", &st);
- ASSERT_EQ(0, res);
- EXPECT_NOT_POISONED(st.f_type);
- EXPECT_NOT_POISONED(st.f_bfree);
- EXPECT_NOT_POISONED(st.f_namelen);
-}
-#endif
-
-TEST(MemorySanitizer, statvfs) {
- struct statvfs st;
- int res = statvfs("/", &st);
- ASSERT_EQ(0, res);
- EXPECT_NOT_POISONED(st.f_bsize);
- EXPECT_NOT_POISONED(st.f_blocks);
- EXPECT_NOT_POISONED(st.f_bfree);
- EXPECT_NOT_POISONED(st.f_namemax);
-}
-
-TEST(MemorySanitizer, fstatvfs) {
- struct statvfs st;
- int fd = open("/", O_RDONLY | O_DIRECTORY);
- int res = fstatvfs(fd, &st);
- ASSERT_EQ(0, res);
- EXPECT_NOT_POISONED(st.f_bsize);
- EXPECT_NOT_POISONED(st.f_blocks);
- EXPECT_NOT_POISONED(st.f_bfree);
- EXPECT_NOT_POISONED(st.f_namemax);
- close(fd);
-}
-
-TEST(MemorySanitizer, pipe) {
- int* pipefd = new int[2];
- int res = pipe(pipefd);
- ASSERT_EQ(0, res);
- EXPECT_NOT_POISONED(pipefd[0]);
- EXPECT_NOT_POISONED(pipefd[1]);
- close(pipefd[0]);
- close(pipefd[1]);
-}
-
-TEST(MemorySanitizer, pipe2) {
- int* pipefd = new int[2];
- int res = pipe2(pipefd, O_NONBLOCK);
- ASSERT_EQ(0, res);
- EXPECT_NOT_POISONED(pipefd[0]);
- EXPECT_NOT_POISONED(pipefd[1]);
- close(pipefd[0]);
- close(pipefd[1]);
-}
-
-TEST(MemorySanitizer, socketpair) {
- int sv[2];
- int res = socketpair(AF_UNIX, SOCK_STREAM, 0, sv);
- ASSERT_EQ(0, res);
- EXPECT_NOT_POISONED(sv[0]);
- EXPECT_NOT_POISONED(sv[1]);
- close(sv[0]);
- close(sv[1]);
-}
-
-TEST(MemorySanitizer, poll) {
- int* pipefd = new int[2];
- int res = pipe(pipefd);
- ASSERT_EQ(0, res);
-
- char data = 42;
- res = write(pipefd[1], &data, 1);
- ASSERT_EQ(1, res);
-
- pollfd fds[2];
- fds[0].fd = pipefd[0];
- fds[0].events = POLLIN;
- fds[1].fd = pipefd[1];
- fds[1].events = POLLIN;
- res = poll(fds, 2, 500);
- ASSERT_EQ(1, res);
- EXPECT_NOT_POISONED(fds[0].revents);
- EXPECT_NOT_POISONED(fds[1].revents);
-
- close(pipefd[0]);
- close(pipefd[1]);
-}
-
-#if !defined (__FreeBSD__) && !defined (__NetBSD__)
-TEST(MemorySanitizer, ppoll) {
- int* pipefd = new int[2];
- int res = pipe(pipefd);
- ASSERT_EQ(0, res);
-
- char data = 42;
- res = write(pipefd[1], &data, 1);
- ASSERT_EQ(1, res);
-
- pollfd fds[2];
- fds[0].fd = pipefd[0];
- fds[0].events = POLLIN;
- fds[1].fd = pipefd[1];
- fds[1].events = POLLIN;
- sigset_t ss;
- sigemptyset(&ss);
- res = ppoll(fds, 2, NULL, &ss);
- ASSERT_EQ(1, res);
- EXPECT_NOT_POISONED(fds[0].revents);
- EXPECT_NOT_POISONED(fds[1].revents);
-
- close(pipefd[0]);
- close(pipefd[1]);
-}
-#endif
-
-TEST(MemorySanitizer, poll_positive) {
- int* pipefd = new int[2];
- int res = pipe(pipefd);
- ASSERT_EQ(0, res);
-
- pollfd fds[2];
- fds[0].fd = pipefd[0];
- fds[0].events = POLLIN;
- // fds[1].fd uninitialized
- fds[1].events = POLLIN;
- EXPECT_UMR(poll(fds, 2, 0));
-
- close(pipefd[0]);
- close(pipefd[1]);
-}
-
-TEST(MemorySanitizer, bind_getsockname) {
- int sock = socket(AF_UNIX, SOCK_STREAM, 0);
-
- struct sockaddr_in sai;
- memset(&sai, 0, sizeof(sai));
- sai.sin_family = AF_UNIX;
- int res = bind(sock, (struct sockaddr *)&sai, sizeof(sai));
-
- ASSERT_EQ(0, res);
- char buf[200];
- socklen_t addrlen;
- EXPECT_UMR(getsockname(sock, (struct sockaddr *)&buf, &addrlen));
-
- addrlen = sizeof(buf);
- res = getsockname(sock, (struct sockaddr *)&buf, &addrlen);
- EXPECT_NOT_POISONED(addrlen);
- EXPECT_NOT_POISONED(buf[0]);
- EXPECT_NOT_POISONED(buf[addrlen - 1]);
- EXPECT_POISONED(buf[addrlen]);
- close(sock);
-}
-
-class SocketAddr {
- public:
- virtual ~SocketAddr() = default;
- virtual struct sockaddr *ptr() = 0;
- virtual size_t size() const = 0;
-
- template <class... Args>
- static std::unique_ptr<SocketAddr> Create(int family, Args... args);
-};
-
-class SocketAddr4 : public SocketAddr {
- public:
- SocketAddr4() { EXPECT_POISONED(sai_); }
- explicit SocketAddr4(uint16_t port) {
- memset(&sai_, 0, sizeof(sai_));
- sai_.sin_family = AF_INET;
- sai_.sin_port = port;
- sai_.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
- }
-
- sockaddr *ptr() override { return reinterpret_cast<sockaddr *>(&sai_); }
-
- size_t size() const override { return sizeof(sai_); }
-
- private:
- sockaddr_in sai_;
-};
-
-class SocketAddr6 : public SocketAddr {
- public:
- SocketAddr6() { EXPECT_POISONED(sai_); }
- explicit SocketAddr6(uint16_t port) {
- memset(&sai_, 0, sizeof(sai_));
- sai_.sin6_family = AF_INET6;
- sai_.sin6_port = port;
- sai_.sin6_addr = in6addr_loopback;
- }
-
- sockaddr *ptr() override { return reinterpret_cast<sockaddr *>(&sai_); }
-
- size_t size() const override { return sizeof(sai_); }
-
- private:
- sockaddr_in6 sai_;
-};
-
-template <class... Args>
-std::unique_ptr<SocketAddr> SocketAddr::Create(int family, Args... args) {
- if (family == AF_INET)
- return std::unique_ptr<SocketAddr>(new SocketAddr4(args...));
- return std::unique_ptr<SocketAddr>(new SocketAddr6(args...));
-}
-
-class MemorySanitizerIpTest : public ::testing::TestWithParam<int> {
- public:
- void SetUp() override {
- ASSERT_TRUE(GetParam() == AF_INET || GetParam() == AF_INET6);
- }
-
- template <class... Args>
- std::unique_ptr<SocketAddr> CreateSockAddr(Args... args) const {
- return SocketAddr::Create(GetParam(), args...);
- }
-
- int CreateSocket(int socket_type) const {
- return socket(GetParam(), socket_type, 0);
- }
-};
-
-std::vector<int> GetAvailableIpSocketFamilies() {
- std::vector<int> result;
-
- for (int i : {AF_INET, AF_INET6}) {
- int s = socket(i, SOCK_STREAM, 0);
- if (s > 0) {
- auto sai = SocketAddr::Create(i, 0);
- if (bind(s, sai->ptr(), sai->size()) == 0) result.push_back(i);
- close(s);
- }
- }
-
- return result;
-}
-
-INSTANTIATE_TEST_CASE_P(IpTests, MemorySanitizerIpTest,
- ::testing::ValuesIn(GetAvailableIpSocketFamilies()));
-
-TEST_P(MemorySanitizerIpTest, accept) {
- int listen_socket = CreateSocket(SOCK_STREAM);
- ASSERT_LT(0, listen_socket);
-
- auto sai = CreateSockAddr(0);
- int res = bind(listen_socket, sai->ptr(), sai->size());
- ASSERT_EQ(0, res);
-
- res = listen(listen_socket, 1);
- ASSERT_EQ(0, res);
-
- socklen_t sz = sai->size();
- res = getsockname(listen_socket, sai->ptr(), &sz);
- ASSERT_EQ(0, res);
- ASSERT_EQ(sai->size(), sz);
-
- int connect_socket = CreateSocket(SOCK_STREAM);
- ASSERT_LT(0, connect_socket);
- res = fcntl(connect_socket, F_SETFL, O_NONBLOCK);
- ASSERT_EQ(0, res);
- res = connect(connect_socket, sai->ptr(), sai->size());
- // On FreeBSD this connection completes immediately.
- if (res != 0) {
- ASSERT_EQ(-1, res);
- ASSERT_EQ(EINPROGRESS, errno);
- }
-
- __msan_poison(sai->ptr(), sai->size());
- int new_sock = accept(listen_socket, sai->ptr(), &sz);
- ASSERT_LT(0, new_sock);
- ASSERT_EQ(sai->size(), sz);
- EXPECT_NOT_POISONED2(sai->ptr(), sai->size());
-
- __msan_poison(sai->ptr(), sai->size());
- res = getpeername(new_sock, sai->ptr(), &sz);
- ASSERT_EQ(0, res);
- ASSERT_EQ(sai->size(), sz);
- EXPECT_NOT_POISONED2(sai->ptr(), sai->size());
-
- close(new_sock);
- close(connect_socket);
- close(listen_socket);
-}
-
-TEST_P(MemorySanitizerIpTest, recvmsg) {
- int server_socket = CreateSocket(SOCK_DGRAM);
- ASSERT_LT(0, server_socket);
-
- auto sai = CreateSockAddr(0);
- int res = bind(server_socket, sai->ptr(), sai->size());
- ASSERT_EQ(0, res);
-
- socklen_t sz = sai->size();
- res = getsockname(server_socket, sai->ptr(), &sz);
- ASSERT_EQ(0, res);
- ASSERT_EQ(sai->size(), sz);
-
- int client_socket = CreateSocket(SOCK_DGRAM);
- ASSERT_LT(0, client_socket);
-
- auto client_sai = CreateSockAddr(0);
- res = bind(client_socket, client_sai->ptr(), client_sai->size());
- ASSERT_EQ(0, res);
-
- sz = client_sai->size();
- res = getsockname(client_socket, client_sai->ptr(), &sz);
- ASSERT_EQ(0, res);
- ASSERT_EQ(client_sai->size(), sz);
-
- const char *s = "message text";
- struct iovec iov;
- iov.iov_base = (void *)s;
- iov.iov_len = strlen(s) + 1;
- struct msghdr msg;
- memset(&msg, 0, sizeof(msg));
- msg.msg_name = sai->ptr();
- msg.msg_namelen = sai->size();
- msg.msg_iov = &iov;
- msg.msg_iovlen = 1;
- res = sendmsg(client_socket, &msg, 0);
- ASSERT_LT(0, res);
-
- char buf[1000];
- struct iovec recv_iov;
- recv_iov.iov_base = (void *)&buf;
- recv_iov.iov_len = sizeof(buf);
- auto recv_sai = CreateSockAddr();
- struct msghdr recv_msg;
- memset(&recv_msg, 0, sizeof(recv_msg));
- recv_msg.msg_name = recv_sai->ptr();
- recv_msg.msg_namelen = recv_sai->size();
- recv_msg.msg_iov = &recv_iov;
- recv_msg.msg_iovlen = 1;
- res = recvmsg(server_socket, &recv_msg, 0);
- ASSERT_LT(0, res);
-
- ASSERT_EQ(recv_sai->size(), recv_msg.msg_namelen);
- EXPECT_NOT_POISONED2(recv_sai->ptr(), recv_sai->size());
- EXPECT_STREQ(s, buf);
-
- close(server_socket);
- close(client_socket);
-}
-
-#define EXPECT_HOSTENT_NOT_POISONED(he) \
- do { \
- EXPECT_NOT_POISONED(*(he)); \
- ASSERT_NE((void *)0, (he)->h_name); \
- ASSERT_NE((void *)0, (he)->h_aliases); \
- ASSERT_NE((void *)0, (he)->h_addr_list); \
- EXPECT_NOT_POISONED(strlen((he)->h_name)); \
- char **p = (he)->h_aliases; \
- while (*p) { \
- EXPECT_NOT_POISONED(strlen(*p)); \
- ++p; \
- } \
- char **q = (he)->h_addr_list; \
- while (*q) { \
- EXPECT_NOT_POISONED(*q[0]); \
- ++q; \
- } \
- EXPECT_NOT_POISONED(*q); \
- } while (0)
-
-TEST(MemorySanitizer, gethostent) {
- struct hostent *he = gethostent();
- ASSERT_NE((void *)NULL, he);
- EXPECT_HOSTENT_NOT_POISONED(he);
-}
-
-#ifndef MSAN_TEST_DISABLE_GETHOSTBYNAME
-
-TEST(MemorySanitizer, gethostbyname) {
- struct hostent *he = gethostbyname("localhost");
- ASSERT_NE((void *)NULL, he);
- EXPECT_HOSTENT_NOT_POISONED(he);
-}
-
-#endif // MSAN_TEST_DISABLE_GETHOSTBYNAME
-
-TEST(MemorySanitizer, getaddrinfo) {
- struct addrinfo *ai;
- struct addrinfo hints;
- memset(&hints, 0, sizeof(hints));
- hints.ai_family = AF_INET;
- int res = getaddrinfo("localhost", NULL, &hints, &ai);
- ASSERT_EQ(0, res);
- EXPECT_NOT_POISONED(*ai);
- ASSERT_EQ(sizeof(sockaddr_in), ai->ai_addrlen);
- EXPECT_NOT_POISONED(*(sockaddr_in *)ai->ai_addr);
-}
-
-TEST(MemorySanitizer, getnameinfo) {
- struct sockaddr_in sai;
- memset(&sai, 0, sizeof(sai));
- sai.sin_family = AF_INET;
- sai.sin_port = 80;
- sai.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
- char host[500];
- char serv[500];
- int res = getnameinfo((struct sockaddr *)&sai, sizeof(sai), host,
- sizeof(host), serv, sizeof(serv), 0);
- ASSERT_EQ(0, res);
- EXPECT_NOT_POISONED(host[0]);
- EXPECT_POISONED(host[sizeof(host) - 1]);
-
- ASSERT_NE(0U, strlen(host));
- EXPECT_NOT_POISONED(serv[0]);
- EXPECT_POISONED(serv[sizeof(serv) - 1]);
- ASSERT_NE(0U, strlen(serv));
-}
-
-TEST(MemorySanitizer, gethostbyname2) {
- struct hostent *he = gethostbyname2("localhost", AF_INET);
- ASSERT_NE((void *)NULL, he);
- EXPECT_HOSTENT_NOT_POISONED(he);
-}
-
-TEST(MemorySanitizer, gethostbyaddr) {
- in_addr_t addr = inet_addr("127.0.0.1");
- EXPECT_NOT_POISONED(addr);
- struct hostent *he = gethostbyaddr(&addr, sizeof(addr), AF_INET);
- ASSERT_NE((void *)NULL, he);
- EXPECT_HOSTENT_NOT_POISONED(he);
-}
-
-#if !defined(__NetBSD__)
-TEST(MemorySanitizer, gethostent_r) {
- char buf[2000];
- struct hostent he;
- struct hostent *result;
- int err;
- int res = gethostent_r(&he, buf, sizeof(buf), &result, &err);
- ASSERT_EQ(0, res);
- EXPECT_NOT_POISONED(result);
- ASSERT_NE((void *)NULL, result);
- EXPECT_HOSTENT_NOT_POISONED(result);
- EXPECT_NOT_POISONED(err);
-}
-#endif
-
-#if !defined(__NetBSD__)
-TEST(MemorySanitizer, gethostbyname_r) {
- char buf[2000];
- struct hostent he;
- struct hostent *result;
- int err;
- int res = gethostbyname_r("localhost", &he, buf, sizeof(buf), &result, &err);
- ASSERT_EQ(0, res);
- EXPECT_NOT_POISONED(result);
- ASSERT_NE((void *)NULL, result);
- EXPECT_HOSTENT_NOT_POISONED(result);
- EXPECT_NOT_POISONED(err);
-}
-#endif
-
-#if !defined(__NetBSD__)
-TEST(MemorySanitizer, gethostbyname_r_bad_host_name) {
- char buf[2000];
- struct hostent he;
- struct hostent *result;
- int err;
- int res = gethostbyname_r("bad-host-name", &he, buf, sizeof(buf), &result, &err);
- ASSERT_EQ((struct hostent *)0, result);
- EXPECT_NOT_POISONED(err);
-}
-#endif
-
-#if !defined(__NetBSD__)
-TEST(MemorySanitizer, gethostbyname_r_erange) {
- char buf[5];
- struct hostent he;
- struct hostent *result;
- int err;
- gethostbyname_r("localhost", &he, buf, sizeof(buf), &result, &err);
- ASSERT_EQ(ERANGE, errno);
- EXPECT_NOT_POISONED(err);
-}
-#endif
-
-#if !defined(__NetBSD__)
-TEST(MemorySanitizer, gethostbyname2_r) {
- char buf[2000];
- struct hostent he;
- struct hostent *result;
- int err;
- int res = gethostbyname2_r("localhost", AF_INET, &he, buf, sizeof(buf),
- &result, &err);
- ASSERT_EQ(0, res);
- EXPECT_NOT_POISONED(result);
- ASSERT_NE((void *)NULL, result);
- EXPECT_HOSTENT_NOT_POISONED(result);
- EXPECT_NOT_POISONED(err);
-}
-#endif
-
-#if !defined(__NetBSD__)
-TEST(MemorySanitizer, gethostbyaddr_r) {
- char buf[2000];
- struct hostent he;
- struct hostent *result;
- int err;
- in_addr_t addr = inet_addr("127.0.0.1");
- EXPECT_NOT_POISONED(addr);
- int res = gethostbyaddr_r(&addr, sizeof(addr), AF_INET, &he, buf, sizeof(buf),
- &result, &err);
- ASSERT_EQ(0, res);
- EXPECT_NOT_POISONED(result);
- ASSERT_NE((void *)NULL, result);
- EXPECT_HOSTENT_NOT_POISONED(result);
- EXPECT_NOT_POISONED(err);
-}
-#endif
-
-TEST(MemorySanitizer, getsockopt) {
- int sock = socket(AF_UNIX, SOCK_STREAM, 0);
- struct linger l[2];
- socklen_t sz = sizeof(l[0]);
- int res = getsockopt(sock, SOL_SOCKET, SO_LINGER, &l[0], &sz);
- ASSERT_EQ(0, res);
- ASSERT_EQ(sizeof(l[0]), sz);
- EXPECT_NOT_POISONED(l[0]);
- EXPECT_POISONED(*(char *)(l + 1));
-}
-
-TEST(MemorySanitizer, getcwd) {
- char path[PATH_MAX + 1];
- char* res = getcwd(path, sizeof(path));
- ASSERT_TRUE(res != NULL);
- EXPECT_NOT_POISONED(path[0]);
-}
-
-TEST(MemorySanitizer, getcwd_gnu) {
- char* res = getcwd(NULL, 0);
- ASSERT_TRUE(res != NULL);
- EXPECT_NOT_POISONED(res[0]);
- free(res);
-}
-
-#if !defined(__FreeBSD__) && !defined(__NetBSD__)
-TEST(MemorySanitizer, get_current_dir_name) {
- char* res = get_current_dir_name();
- ASSERT_TRUE(res != NULL);
- EXPECT_NOT_POISONED(res[0]);
- free(res);
-}
-#endif
-
-TEST(MemorySanitizer, shmctl) {
- int id = shmget(IPC_PRIVATE, 4096, 0644 | IPC_CREAT);
- ASSERT_GT(id, -1);
-
- struct shmid_ds ds;
- int res = shmctl(id, IPC_STAT, &ds);
- ASSERT_GT(res, -1);
- EXPECT_NOT_POISONED(ds);
-
-#if !defined(__FreeBSD__) && !defined(__NetBSD__)
- struct shminfo si;
- res = shmctl(id, IPC_INFO, (struct shmid_ds *)&si);
- ASSERT_GT(res, -1);
- EXPECT_NOT_POISONED(si);
-
- struct shm_info s_i;
- res = shmctl(id, SHM_INFO, (struct shmid_ds *)&s_i);
- ASSERT_GT(res, -1);
- EXPECT_NOT_POISONED(s_i);
-#endif
-
- res = shmctl(id, IPC_RMID, 0);
- ASSERT_GT(res, -1);
-}
-
-TEST(MemorySanitizer, shmat) {
- const int kShmSize = 4096;
- void *mapping_start = mmap(NULL, kShmSize + SHMLBA, PROT_READ | PROT_WRITE,
- MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
- ASSERT_NE(MAP_FAILED, mapping_start);
-
- void *p = (void *)(((unsigned long)mapping_start + SHMLBA - 1) / SHMLBA * SHMLBA);
- // p is now SHMLBA-aligned;
-
- ((char *)p)[10] = *GetPoisoned<U1>();
- ((char *)p)[kShmSize - 1] = *GetPoisoned<U1>();
-
- int res = munmap(mapping_start, kShmSize + SHMLBA);
- ASSERT_EQ(0, res);
-
- int id = shmget(IPC_PRIVATE, kShmSize, 0644 | IPC_CREAT);
- ASSERT_GT(id, -1);
-
- void *q = shmat(id, p, 0);
- ASSERT_EQ(p, q);
-
- EXPECT_NOT_POISONED(((char *)q)[0]);
- EXPECT_NOT_POISONED(((char *)q)[10]);
- EXPECT_NOT_POISONED(((char *)q)[kShmSize - 1]);
-
- res = shmdt(q);
- ASSERT_EQ(0, res);
-
- res = shmctl(id, IPC_RMID, 0);
- ASSERT_GT(res, -1);
-}
-
-#if !defined(__FreeBSD__) && !defined(__NetBSD__)
-TEST(MemorySanitizer, random_r) {
- int32_t x;
- char z[64];
- memset(z, 0, sizeof(z));
-
- struct random_data buf;
- memset(&buf, 0, sizeof(buf));
-
- int res = initstate_r(0, z, sizeof(z), &buf);
- ASSERT_EQ(0, res);
-
- res = random_r(&buf, &x);
- ASSERT_EQ(0, res);
- EXPECT_NOT_POISONED(x);
-}
-#endif
-
-TEST(MemorySanitizer, confstr) {
- char buf[3];
- size_t res = confstr(_CS_PATH, buf, sizeof(buf));
- ASSERT_GT(res, sizeof(buf));
- EXPECT_NOT_POISONED(buf[0]);
- EXPECT_NOT_POISONED(buf[sizeof(buf) - 1]);
-
- char buf2[1000];
- res = confstr(_CS_PATH, buf2, sizeof(buf2));
- ASSERT_LT(res, sizeof(buf2));
- EXPECT_NOT_POISONED(buf2[0]);
- EXPECT_NOT_POISONED(buf2[res - 1]);
- EXPECT_POISONED(buf2[res]);
- ASSERT_EQ(res, strlen(buf2) + 1);
-}
-
-TEST(MemorySanitizer, opendir) {
- DIR *dir = opendir(".");
- closedir(dir);
-
- char name[10] = ".";
- __msan_poison(name, sizeof(name));
- EXPECT_UMR(dir = opendir(name));
- closedir(dir);
-}
-
-TEST(MemorySanitizer, readdir) {
- DIR *dir = opendir(".");
- struct dirent *d = readdir(dir);
- ASSERT_TRUE(d != NULL);
- EXPECT_NOT_POISONED(d->d_name[0]);
- closedir(dir);
-}
-
-TEST(MemorySanitizer, readdir_r) {
- DIR *dir = opendir(".");
- struct dirent d;
- struct dirent *pd;
- int res = readdir_r(dir, &d, &pd);
- ASSERT_EQ(0, res);
- EXPECT_NOT_POISONED(pd);
- EXPECT_NOT_POISONED(d.d_name[0]);
- closedir(dir);
-}
-
-TEST(MemorySanitizer, realpath) {
- const char* relpath = ".";
- char path[PATH_MAX + 1];
- char* res = realpath(relpath, path);
- ASSERT_TRUE(res != NULL);
- EXPECT_NOT_POISONED(path[0]);
-}
-
-TEST(MemorySanitizer, realpath_null) {
- const char* relpath = ".";
- char* res = realpath(relpath, NULL);
- printf("%d, %s\n", errno, strerror(errno));
- ASSERT_TRUE(res != NULL);
- EXPECT_NOT_POISONED(res[0]);
- free(res);
-}
-
-#if !defined(__FreeBSD__) && !defined(__NetBSD__)
-TEST(MemorySanitizer, canonicalize_file_name) {
- const char* relpath = ".";
- char* res = canonicalize_file_name(relpath);
- ASSERT_TRUE(res != NULL);
- EXPECT_NOT_POISONED(res[0]);
- free(res);
-}
-#endif
-
-extern char **environ;
-
-TEST(MemorySanitizer, setenv) {
- setenv("AAA", "BBB", 1);
- for (char **envp = environ; *envp; ++envp) {
- EXPECT_NOT_POISONED(*envp);
- EXPECT_NOT_POISONED(*envp[0]);
- }
-}
-
-TEST(MemorySanitizer, putenv) {
- char s[] = "AAA=BBB";
- putenv(s);
- for (char **envp = environ; *envp; ++envp) {
- EXPECT_NOT_POISONED(*envp);
- EXPECT_NOT_POISONED(*envp[0]);
- }
-}
-
-TEST(MemorySanitizer, memcpy) {
- char* x = new char[2];
- char* y = new char[2];
- x[0] = 1;
- x[1] = *GetPoisoned<char>();
- memcpy(y, x, 2);
- EXPECT_NOT_POISONED(y[0]);
- EXPECT_POISONED(y[1]);
-}
-
-void TestUnalignedMemcpy(unsigned left, unsigned right, bool src_is_aligned,
- bool src_is_poisoned, bool dst_is_poisoned) {
- fprintf(stderr, "%s(%d, %d, %d, %d, %d)\n", __func__, left, right,
- src_is_aligned, src_is_poisoned, dst_is_poisoned);
-
- const unsigned sz = 20;
- U4 dst_origin, src_origin;
- char *dst = (char *)malloc(sz);
- if (dst_is_poisoned)
- dst_origin = __msan_get_origin(dst);
- else
- memset(dst, 0, sz);
-
- char *src = (char *)malloc(sz);
- if (src_is_poisoned)
- src_origin = __msan_get_origin(src);
- else
- memset(src, 0, sz);
-
- memcpy(dst + left, src_is_aligned ? src + left : src, sz - left - right);
-
- for (unsigned i = 0; i < (left & (~3U)); ++i)
- if (dst_is_poisoned)
- EXPECT_POISONED_O(dst[i], dst_origin);
- else
- EXPECT_NOT_POISONED(dst[i]);
-
- for (unsigned i = 0; i < (right & (~3U)); ++i)
- if (dst_is_poisoned)
- EXPECT_POISONED_O(dst[sz - i - 1], dst_origin);
- else
- EXPECT_NOT_POISONED(dst[sz - i - 1]);
-
- for (unsigned i = left; i < sz - right; ++i)
- if (src_is_poisoned)
- EXPECT_POISONED_O(dst[i], src_origin);
- else
- EXPECT_NOT_POISONED(dst[i]);
-
- free(dst);
- free(src);
-}
-
-TEST(MemorySanitizer, memcpy_unaligned) {
- for (int i = 0; i < 10; ++i)
- for (int j = 0; j < 10; ++j)
- for (int aligned = 0; aligned < 2; ++aligned)
- for (int srcp = 0; srcp < 2; ++srcp)
- for (int dstp = 0; dstp < 2; ++dstp)
- TestUnalignedMemcpy(i, j, aligned, srcp, dstp);
-}
-
-TEST(MemorySanitizer, memmove) {
- char* x = new char[2];
- char* y = new char[2];
- x[0] = 1;
- x[1] = *GetPoisoned<char>();
- memmove(y, x, 2);
- EXPECT_NOT_POISONED(y[0]);
- EXPECT_POISONED(y[1]);
-}
-
-TEST(MemorySanitizer, memccpy_nomatch) {
- char* x = new char[5];
- char* y = new char[5];
- strcpy(x, "abc");
- memccpy(y, x, 'd', 4);
- EXPECT_NOT_POISONED(y[0]);
- EXPECT_NOT_POISONED(y[1]);
- EXPECT_NOT_POISONED(y[2]);
- EXPECT_NOT_POISONED(y[3]);
- EXPECT_POISONED(y[4]);
- delete[] x;
- delete[] y;
-}
-
-TEST(MemorySanitizer, memccpy_match) {
- char* x = new char[5];
- char* y = new char[5];
- strcpy(x, "abc");
- memccpy(y, x, 'b', 4);
- EXPECT_NOT_POISONED(y[0]);
- EXPECT_NOT_POISONED(y[1]);
- EXPECT_POISONED(y[2]);
- EXPECT_POISONED(y[3]);
- EXPECT_POISONED(y[4]);
- delete[] x;
- delete[] y;
-}
-
-TEST(MemorySanitizer, memccpy_nomatch_positive) {
- char* x = new char[5];
- char* y = new char[5];
- strcpy(x, "abc");
- EXPECT_UMR(memccpy(y, x, 'd', 5));
- delete[] x;
- delete[] y;
-}
-
-TEST(MemorySanitizer, memccpy_match_positive) {
- char* x = new char[5];
- char* y = new char[5];
- x[0] = 'a';
- x[2] = 'b';
- EXPECT_UMR(memccpy(y, x, 'b', 5));
- delete[] x;
- delete[] y;
-}
-
-TEST(MemorySanitizer, bcopy) {
- char* x = new char[2];
- char* y = new char[2];
- x[0] = 1;
- x[1] = *GetPoisoned<char>();
- bcopy(x, y, 2);
- EXPECT_NOT_POISONED(y[0]);
- EXPECT_POISONED(y[1]);
-}
-
-TEST(MemorySanitizer, strdup) {
- char buf[4] = "abc";
- __msan_poison(buf + 2, sizeof(*buf));
- char *x = strdup(buf);
- EXPECT_NOT_POISONED(x[0]);
- EXPECT_NOT_POISONED(x[1]);
- EXPECT_POISONED(x[2]);
- EXPECT_NOT_POISONED(x[3]);
- free(x);
-}
-
-TEST(MemorySanitizer, strndup) {
- char buf[4] = "abc";
- __msan_poison(buf + 2, sizeof(*buf));
- char *x;
- EXPECT_UMR(x = strndup(buf, 3));
- EXPECT_NOT_POISONED(x[0]);
- EXPECT_NOT_POISONED(x[1]);
- EXPECT_POISONED(x[2]);
- EXPECT_NOT_POISONED(x[3]);
- free(x);
- // Check handling of non 0 terminated strings.
- buf[3] = 'z';
- __msan_poison(buf + 3, sizeof(*buf));
- EXPECT_UMR(x = strndup(buf + 3, 1));
- EXPECT_POISONED(x[0]);
- EXPECT_NOT_POISONED(x[1]);
- free(x);
-}
-
-TEST(MemorySanitizer, strndup_short) {
- char buf[4] = "abc";
- __msan_poison(buf + 1, sizeof(*buf));
- __msan_poison(buf + 2, sizeof(*buf));
- char *x;
- EXPECT_UMR(x = strndup(buf, 2));
- EXPECT_NOT_POISONED(x[0]);
- EXPECT_POISONED(x[1]);
- EXPECT_NOT_POISONED(x[2]);
- free(x);
-}
-
-
-template<class T, int size>
-void TestOverlapMemmove() {
- T *x = new T[size];
- ASSERT_GE(size, 3);
- x[2] = 0;
- memmove(x, x + 1, (size - 1) * sizeof(T));
- EXPECT_NOT_POISONED(x[1]);
- EXPECT_POISONED(x[0]);
- EXPECT_POISONED(x[2]);
- delete [] x;
-}
-
-TEST(MemorySanitizer, overlap_memmove) {
- TestOverlapMemmove<U1, 10>();
- TestOverlapMemmove<U1, 1000>();
- TestOverlapMemmove<U8, 4>();
- TestOverlapMemmove<U8, 1000>();
-}
-
-TEST(MemorySanitizer, strcpy) { // NOLINT
- char* x = new char[3];
- char* y = new char[3];
- x[0] = 'a';
- x[1] = *GetPoisoned<char>(1, 1);
- x[2] = 0;
- strcpy(y, x); // NOLINT
- EXPECT_NOT_POISONED(y[0]);
- EXPECT_POISONED(y[1]);
- EXPECT_NOT_POISONED(y[2]);
-}
-
-TEST(MemorySanitizer, strncpy) { // NOLINT
- char* x = new char[3];
- char* y = new char[5];
- x[0] = 'a';
- x[1] = *GetPoisoned<char>(1, 1);
- x[2] = '\0';
- strncpy(y, x, 4); // NOLINT
- EXPECT_NOT_POISONED(y[0]);
- EXPECT_POISONED(y[1]);
- EXPECT_NOT_POISONED(y[2]);
- EXPECT_NOT_POISONED(y[3]);
- EXPECT_POISONED(y[4]);
-}
-
-TEST(MemorySanitizer, stpcpy) { // NOLINT
- char* x = new char[3];
- char* y = new char[3];
- x[0] = 'a';
- x[1] = *GetPoisoned<char>(1, 1);
- x[2] = 0;
- char *res = stpcpy(y, x); // NOLINT
- ASSERT_EQ(res, y + 2);
- EXPECT_NOT_POISONED(y[0]);
- EXPECT_POISONED(y[1]);
- EXPECT_NOT_POISONED(y[2]);
-}
-
-TEST(MemorySanitizer, strcat) { // NOLINT
- char a[10];
- char b[] = "def";
- strcpy(a, "abc");
- __msan_poison(b + 1, 1);
- strcat(a, b);
- EXPECT_NOT_POISONED(a[3]);
- EXPECT_POISONED(a[4]);
- EXPECT_NOT_POISONED(a[5]);
- EXPECT_NOT_POISONED(a[6]);
- EXPECT_POISONED(a[7]);
-}
-
-TEST(MemorySanitizer, strncat) { // NOLINT
- char a[10];
- char b[] = "def";
- strcpy(a, "abc");
- __msan_poison(b + 1, 1);
- strncat(a, b, 5);
- EXPECT_NOT_POISONED(a[3]);
- EXPECT_POISONED(a[4]);
- EXPECT_NOT_POISONED(a[5]);
- EXPECT_NOT_POISONED(a[6]);
- EXPECT_POISONED(a[7]);
-}
-
-TEST(MemorySanitizer, strncat_overflow) { // NOLINT
- char a[10];
- char b[] = "def";
- strcpy(a, "abc");
- __msan_poison(b + 1, 1);
- strncat(a, b, 2);
- EXPECT_NOT_POISONED(a[3]);
- EXPECT_POISONED(a[4]);
- EXPECT_NOT_POISONED(a[5]);
- EXPECT_POISONED(a[6]);
- EXPECT_POISONED(a[7]);
-}
-
-TEST(MemorySanitizer, wcscat) {
- wchar_t a[10];
- wchar_t b[] = L"def";
- wcscpy(a, L"abc");
-
- wcscat(a, b);
- EXPECT_EQ(6U, wcslen(a));
- EXPECT_POISONED(a[7]);
-
- a[3] = 0;
- __msan_poison(b + 1, sizeof(wchar_t));
- EXPECT_UMR(wcscat(a, b));
-
- __msan_unpoison(b + 1, sizeof(wchar_t));
- __msan_poison(a + 2, sizeof(wchar_t));
- EXPECT_UMR(wcscat(a, b));
-}
-
-TEST(MemorySanitizer, wcsncat) {
- wchar_t a[10];
- wchar_t b[] = L"def";
- wcscpy(a, L"abc");
-
- wcsncat(a, b, 5);
- EXPECT_EQ(6U, wcslen(a));
- EXPECT_POISONED(a[7]);
-
- a[3] = 0;
- __msan_poison(a + 4, sizeof(wchar_t) * 6);
- wcsncat(a, b, 2);
- EXPECT_EQ(5U, wcslen(a));
- EXPECT_POISONED(a[6]);
-
- a[3] = 0;
- __msan_poison(b + 1, sizeof(wchar_t));
- EXPECT_UMR(wcsncat(a, b, 2));
-
- __msan_unpoison(b + 1, sizeof(wchar_t));
- __msan_poison(a + 2, sizeof(wchar_t));
- EXPECT_UMR(wcsncat(a, b, 2));
-}
-
-#define TEST_STRTO_INT(func_name, char_type, str_prefix) \
- TEST(MemorySanitizer, func_name) { \
- char_type *e; \
- EXPECT_EQ(1U, func_name(str_prefix##"1", &e, 10)); \
- EXPECT_NOT_POISONED((S8)e); \
- }
-
-#define TEST_STRTO_FLOAT(func_name, char_type, str_prefix) \
- TEST(MemorySanitizer, func_name) { \
- char_type *e; \
- EXPECT_NE(0, func_name(str_prefix##"1.5", &e)); \
- EXPECT_NOT_POISONED((S8)e); \
- }
-
-#define TEST_STRTO_FLOAT_LOC(func_name, char_type, str_prefix) \
- TEST(MemorySanitizer, func_name) { \
- locale_t loc = newlocale(LC_NUMERIC_MASK, "C", (locale_t)0); \
- char_type *e; \
- EXPECT_NE(0, func_name(str_prefix##"1.5", &e, loc)); \
- EXPECT_NOT_POISONED((S8)e); \
- freelocale(loc); \
- }
-
-#define TEST_STRTO_INT_LOC(func_name, char_type, str_prefix) \
- TEST(MemorySanitizer, func_name) { \
- locale_t loc = newlocale(LC_NUMERIC_MASK, "C", (locale_t)0); \
- char_type *e; \
- ASSERT_EQ(1U, func_name(str_prefix##"1", &e, 10, loc)); \
- EXPECT_NOT_POISONED((S8)e); \
- freelocale(loc); \
- }
-
-TEST_STRTO_INT(strtol, char, )
-TEST_STRTO_INT(strtoll, char, )
-TEST_STRTO_INT(strtoul, char, )
-TEST_STRTO_INT(strtoull, char, )
-TEST_STRTO_INT(strtouq, char, )
-
-TEST_STRTO_FLOAT(strtof, char, )
-TEST_STRTO_FLOAT(strtod, char, )
-TEST_STRTO_FLOAT(strtold, char, )
-
-TEST_STRTO_FLOAT_LOC(strtof_l, char, )
-TEST_STRTO_FLOAT_LOC(strtod_l, char, )
-TEST_STRTO_FLOAT_LOC(strtold_l, char, )
-
-TEST_STRTO_INT_LOC(strtol_l, char, )
-TEST_STRTO_INT_LOC(strtoll_l, char, )
-TEST_STRTO_INT_LOC(strtoul_l, char, )
-TEST_STRTO_INT_LOC(strtoull_l, char, )
-
-TEST_STRTO_INT(wcstol, wchar_t, L)
-TEST_STRTO_INT(wcstoll, wchar_t, L)
-TEST_STRTO_INT(wcstoul, wchar_t, L)
-TEST_STRTO_INT(wcstoull, wchar_t, L)
-
-TEST_STRTO_FLOAT(wcstof, wchar_t, L)
-TEST_STRTO_FLOAT(wcstod, wchar_t, L)
-TEST_STRTO_FLOAT(wcstold, wchar_t, L)
-
-TEST_STRTO_FLOAT_LOC(wcstof_l, wchar_t, L)
-TEST_STRTO_FLOAT_LOC(wcstod_l, wchar_t, L)
-TEST_STRTO_FLOAT_LOC(wcstold_l, wchar_t, L)
-
-TEST_STRTO_INT_LOC(wcstol_l, wchar_t, L)
-TEST_STRTO_INT_LOC(wcstoll_l, wchar_t, L)
-TEST_STRTO_INT_LOC(wcstoul_l, wchar_t, L)
-TEST_STRTO_INT_LOC(wcstoull_l, wchar_t, L)
-
-
-TEST(MemorySanitizer, strtoimax) {
- char *e;
- ASSERT_EQ(1, strtoimax("1", &e, 10));
- EXPECT_NOT_POISONED((S8) e);
-}
-
-TEST(MemorySanitizer, strtoumax) {
- char *e;
- ASSERT_EQ(1U, strtoumax("1", &e, 10));
- EXPECT_NOT_POISONED((S8) e);
-}
-
-#ifdef __GLIBC__
-extern "C" float __strtof_l(const char *nptr, char **endptr, locale_t loc);
-TEST_STRTO_FLOAT_LOC(__strtof_l, char, )
-extern "C" double __strtod_l(const char *nptr, char **endptr, locale_t loc);
-TEST_STRTO_FLOAT_LOC(__strtod_l, char, )
-extern "C" long double __strtold_l(const char *nptr, char **endptr,
- locale_t loc);
-TEST_STRTO_FLOAT_LOC(__strtold_l, char, )
-
-extern "C" float __wcstof_l(const wchar_t *nptr, wchar_t **endptr, locale_t loc);
-TEST_STRTO_FLOAT_LOC(__wcstof_l, wchar_t, L)
-extern "C" double __wcstod_l(const wchar_t *nptr, wchar_t **endptr, locale_t loc);
-TEST_STRTO_FLOAT_LOC(__wcstod_l, wchar_t, L)
-extern "C" long double __wcstold_l(const wchar_t *nptr, wchar_t **endptr,
- locale_t loc);
-TEST_STRTO_FLOAT_LOC(__wcstold_l, wchar_t, L)
-#endif // __GLIBC__
-
-TEST(MemorySanitizer, modf) {
- double x, y;
- x = modf(2.1, &y);
- EXPECT_NOT_POISONED(y);
-}
-
-TEST(MemorySanitizer, modff) {
- float x, y;
- x = modff(2.1, &y);
- EXPECT_NOT_POISONED(y);
-}
-
-TEST(MemorySanitizer, modfl) {
- long double x, y;
- x = modfl(2.1, &y);
- EXPECT_NOT_POISONED(y);
-}
-
-#if !defined(__FreeBSD__) && !defined(__NetBSD__)
-TEST(MemorySanitizer, sincos) {
- double s, c;
- sincos(0.2, &s, &c);
- EXPECT_NOT_POISONED(s);
- EXPECT_NOT_POISONED(c);
-}
-#endif
-
-#if !defined(__FreeBSD__) && !defined(__NetBSD__)
-TEST(MemorySanitizer, sincosf) {
- float s, c;
- sincosf(0.2, &s, &c);
- EXPECT_NOT_POISONED(s);
- EXPECT_NOT_POISONED(c);
-}
-#endif
-
-#if !defined(__FreeBSD__) && !defined(__NetBSD__)
-TEST(MemorySanitizer, sincosl) {
- long double s, c;
- sincosl(0.2, &s, &c);
- EXPECT_NOT_POISONED(s);
- EXPECT_NOT_POISONED(c);
-}
-#endif
-
-TEST(MemorySanitizer, remquo) {
- int quo;
- double res = remquo(29.0, 3.0, &quo);
- ASSERT_NE(0.0, res);
- EXPECT_NOT_POISONED(quo);
-}
-
-TEST(MemorySanitizer, remquof) {
- int quo;
- float res = remquof(29.0, 3.0, &quo);
- ASSERT_NE(0.0, res);
- EXPECT_NOT_POISONED(quo);
-}
-
-#if !defined(__NetBSD__)
-TEST(MemorySanitizer, remquol) {
- int quo;
- long double res = remquof(29.0, 3.0, &quo);
- ASSERT_NE(0.0, res);
- EXPECT_NOT_POISONED(quo);
-}
-#endif
-
-TEST(MemorySanitizer, lgamma) {
- double res = lgamma(1.1);
- ASSERT_NE(0.0, res);
- EXPECT_NOT_POISONED(signgam);
-}
-
-TEST(MemorySanitizer, lgammaf) {
- float res = lgammaf(1.1);
- ASSERT_NE(0.0, res);
- EXPECT_NOT_POISONED(signgam);
-}
-
-#if !defined(__NetBSD__)
-TEST(MemorySanitizer, lgammal) {
- long double res = lgammal(1.1);
- ASSERT_NE(0.0, res);
- EXPECT_NOT_POISONED(signgam);
-}
-#endif
-
-TEST(MemorySanitizer, lgamma_r) {
- int sgn;
- double res = lgamma_r(1.1, &sgn);
- ASSERT_NE(0.0, res);
- EXPECT_NOT_POISONED(sgn);
-}
-
-TEST(MemorySanitizer, lgammaf_r) {
- int sgn;
- float res = lgammaf_r(1.1, &sgn);
- ASSERT_NE(0.0, res);
- EXPECT_NOT_POISONED(sgn);
-}
-
-#if !defined(__FreeBSD__) && !defined(__NetBSD__)
-TEST(MemorySanitizer, lgammal_r) {
- int sgn;
- long double res = lgammal_r(1.1, &sgn);
- ASSERT_NE(0.0, res);
- EXPECT_NOT_POISONED(sgn);
-}
-#endif
-
-#if !defined(__FreeBSD__) && !defined(__NetBSD__)
-TEST(MemorySanitizer, drand48_r) {
- struct drand48_data buf;
- srand48_r(0, &buf);
- double d;
- drand48_r(&buf, &d);
- EXPECT_NOT_POISONED(d);
-}
-#endif
-
-#if !defined(__FreeBSD__) && !defined(__NetBSD__)
-TEST(MemorySanitizer, lrand48_r) {
- struct drand48_data buf;
- srand48_r(0, &buf);
- long d;
- lrand48_r(&buf, &d);
- EXPECT_NOT_POISONED(d);
-}
-#endif
-
-TEST(MemorySanitizer, sprintf) { // NOLINT
- char buff[10];
- break_optimization(buff);
- EXPECT_POISONED(buff[0]);
- int res = sprintf(buff, "%d", 1234567); // NOLINT
- ASSERT_EQ(res, 7);
- ASSERT_EQ(buff[0], '1');
- ASSERT_EQ(buff[1], '2');
- ASSERT_EQ(buff[2], '3');
- ASSERT_EQ(buff[6], '7');
- ASSERT_EQ(buff[7], 0);
- EXPECT_POISONED(buff[8]);
-}
-
-TEST(MemorySanitizer, snprintf) {
- char buff[10];
- break_optimization(buff);
- EXPECT_POISONED(buff[0]);
- int res = snprintf(buff, sizeof(buff), "%d", 1234567);
- ASSERT_EQ(res, 7);
- ASSERT_EQ(buff[0], '1');
- ASSERT_EQ(buff[1], '2');
- ASSERT_EQ(buff[2], '3');
- ASSERT_EQ(buff[6], '7');
- ASSERT_EQ(buff[7], 0);
- EXPECT_POISONED(buff[8]);
-}
-
-TEST(MemorySanitizer, swprintf) {
- wchar_t buff[10];
- ASSERT_EQ(4U, sizeof(wchar_t));
- break_optimization(buff);
- EXPECT_POISONED(buff[0]);
- int res = swprintf(buff, 9, L"%d", 1234567);
- ASSERT_EQ(res, 7);
- ASSERT_EQ(buff[0], '1');
- ASSERT_EQ(buff[1], '2');
- ASSERT_EQ(buff[2], '3');
- ASSERT_EQ(buff[6], '7');
- ASSERT_EQ(buff[7], L'\0');
- EXPECT_POISONED(buff[8]);
-}
-
-TEST(MemorySanitizer, asprintf) { // NOLINT
- char *pbuf;
- EXPECT_POISONED(pbuf);
- int res = asprintf(&pbuf, "%d", 1234567); // NOLINT
- ASSERT_EQ(res, 7);
- EXPECT_NOT_POISONED(pbuf);
- ASSERT_EQ(pbuf[0], '1');
- ASSERT_EQ(pbuf[1], '2');
- ASSERT_EQ(pbuf[2], '3');
- ASSERT_EQ(pbuf[6], '7');
- ASSERT_EQ(pbuf[7], 0);
- free(pbuf);
-}
-
-TEST(MemorySanitizer, mbstowcs) {
- const char *x = "abc";
- wchar_t buff[10];
- int res = mbstowcs(buff, x, 2);
- EXPECT_EQ(2, res);
- EXPECT_EQ(L'a', buff[0]);
- EXPECT_EQ(L'b', buff[1]);
- EXPECT_POISONED(buff[2]);
- res = mbstowcs(buff, x, 10);
- EXPECT_EQ(3, res);
- EXPECT_NOT_POISONED(buff[3]);
-}
-
-TEST(MemorySanitizer, wcstombs) {
- const wchar_t *x = L"abc";
- char buff[10];
- int res = wcstombs(buff, x, 4);
- EXPECT_EQ(res, 3);
- EXPECT_EQ(buff[0], 'a');
- EXPECT_EQ(buff[1], 'b');
- EXPECT_EQ(buff[2], 'c');
-}
-
-TEST(MemorySanitizer, wcsrtombs) {
- const wchar_t *x = L"abc";
- const wchar_t *p = x;
- char buff[10];
- mbstate_t mbs;
- memset(&mbs, 0, sizeof(mbs));
- int res = wcsrtombs(buff, &p, 4, &mbs);
- EXPECT_EQ(res, 3);
- EXPECT_EQ(buff[0], 'a');
- EXPECT_EQ(buff[1], 'b');
- EXPECT_EQ(buff[2], 'c');
- EXPECT_EQ(buff[3], '\0');
- EXPECT_POISONED(buff[4]);
-}
-
-TEST(MemorySanitizer, wcsnrtombs) {
- const wchar_t *x = L"abc";
- const wchar_t *p = x;
- char buff[10];
- mbstate_t mbs;
- memset(&mbs, 0, sizeof(mbs));
- int res = wcsnrtombs(buff, &p, 2, 4, &mbs);
- EXPECT_EQ(res, 2);
- EXPECT_EQ(buff[0], 'a');
- EXPECT_EQ(buff[1], 'b');
- EXPECT_POISONED(buff[2]);
-}
-
-TEST(MemorySanitizer, wcrtomb) {
- wchar_t x = L'a';
- char buff[10];
- mbstate_t mbs;
- memset(&mbs, 0, sizeof(mbs));
- size_t res = wcrtomb(buff, x, &mbs);
- EXPECT_EQ(res, (size_t)1);
- EXPECT_EQ(buff[0], 'a');
-}
-
-TEST(MemorySanitizer, wctomb) {
- wchar_t x = L'a';
- char buff[10];
- wctomb(nullptr, x);
- int res = wctomb(buff, x);
- EXPECT_EQ(res, 1);
- EXPECT_EQ(buff[0], 'a');
- EXPECT_POISONED(buff[1]);
-}
-
-TEST(MemorySanitizer, wmemset) {
- wchar_t x[25];
- break_optimization(x);
- EXPECT_POISONED(x[0]);
- wmemset(x, L'A', 10);
- EXPECT_EQ(x[0], L'A');
- EXPECT_EQ(x[9], L'A');
- EXPECT_POISONED(x[10]);
-}
-
-TEST(MemorySanitizer, mbtowc) {
- const char *x = "abc";
- wchar_t wx;
- int res = mbtowc(&wx, x, 3);
- EXPECT_GT(res, 0);
- EXPECT_NOT_POISONED(wx);
-}
-
-TEST(MemorySanitizer, mbrtowc) {
- mbstate_t mbs = {};
-
- wchar_t wc;
- size_t res = mbrtowc(&wc, "\377", 1, &mbs);
- EXPECT_EQ(res, -1ULL);
-
- res = mbrtowc(&wc, "abc", 3, &mbs);
- EXPECT_GT(res, 0ULL);
- EXPECT_NOT_POISONED(wc);
-}
-
-TEST(MemorySanitizer, wcsftime) {
- wchar_t x[100];
- time_t t = time(NULL);
- struct tm tms;
- struct tm *tmres = localtime_r(&t, &tms);
- ASSERT_NE((void *)0, tmres);
- size_t res = wcsftime(x, sizeof(x) / sizeof(x[0]), L"%Y-%m-%d", tmres);
- EXPECT_GT(res, 0UL);
- EXPECT_EQ(res, wcslen(x));
-}
-
-TEST(MemorySanitizer, gettimeofday) {
- struct timeval tv;
- struct timezone tz;
- break_optimization(&tv);
- break_optimization(&tz);
- ASSERT_EQ(16U, sizeof(tv));
- ASSERT_EQ(8U, sizeof(tz));
- EXPECT_POISONED(tv.tv_sec);
- EXPECT_POISONED(tv.tv_usec);
- EXPECT_POISONED(tz.tz_minuteswest);
- EXPECT_POISONED(tz.tz_dsttime);
- ASSERT_EQ(0, gettimeofday(&tv, &tz));
- EXPECT_NOT_POISONED(tv.tv_sec);
- EXPECT_NOT_POISONED(tv.tv_usec);
- EXPECT_NOT_POISONED(tz.tz_minuteswest);
- EXPECT_NOT_POISONED(tz.tz_dsttime);
-}
-
-TEST(MemorySanitizer, clock_gettime) {
- struct timespec tp;
- EXPECT_POISONED(tp.tv_sec);
- EXPECT_POISONED(tp.tv_nsec);
- ASSERT_EQ(0, clock_gettime(CLOCK_REALTIME, &tp));
- EXPECT_NOT_POISONED(tp.tv_sec);
- EXPECT_NOT_POISONED(tp.tv_nsec);
-}
-
-TEST(MemorySanitizer, clock_getres) {
- struct timespec tp;
- EXPECT_POISONED(tp.tv_sec);
- EXPECT_POISONED(tp.tv_nsec);
- ASSERT_EQ(0, clock_getres(CLOCK_REALTIME, 0));
- EXPECT_POISONED(tp.tv_sec);
- EXPECT_POISONED(tp.tv_nsec);
- ASSERT_EQ(0, clock_getres(CLOCK_REALTIME, &tp));
- EXPECT_NOT_POISONED(tp.tv_sec);
- EXPECT_NOT_POISONED(tp.tv_nsec);
-}
-
-TEST(MemorySanitizer, getitimer) {
- struct itimerval it1, it2;
- int res;
- EXPECT_POISONED(it1.it_interval.tv_sec);
- EXPECT_POISONED(it1.it_interval.tv_usec);
- EXPECT_POISONED(it1.it_value.tv_sec);
- EXPECT_POISONED(it1.it_value.tv_usec);
- res = getitimer(ITIMER_VIRTUAL, &it1);
- ASSERT_EQ(0, res);
- EXPECT_NOT_POISONED(it1.it_interval.tv_sec);
- EXPECT_NOT_POISONED(it1.it_interval.tv_usec);
- EXPECT_NOT_POISONED(it1.it_value.tv_sec);
- EXPECT_NOT_POISONED(it1.it_value.tv_usec);
-
- it1.it_interval.tv_sec = it1.it_value.tv_sec = 10000;
- it1.it_interval.tv_usec = it1.it_value.tv_usec = 0;
-
- res = setitimer(ITIMER_VIRTUAL, &it1, &it2);
- ASSERT_EQ(0, res);
- EXPECT_NOT_POISONED(it2.it_interval.tv_sec);
- EXPECT_NOT_POISONED(it2.it_interval.tv_usec);
- EXPECT_NOT_POISONED(it2.it_value.tv_sec);
- EXPECT_NOT_POISONED(it2.it_value.tv_usec);
-
- // Check that old_value can be 0, and disable the timer.
- memset(&it1, 0, sizeof(it1));
- res = setitimer(ITIMER_VIRTUAL, &it1, 0);
- ASSERT_EQ(0, res);
-}
-
-TEST(MemorySanitizer, setitimer_null) {
- setitimer(ITIMER_VIRTUAL, 0, 0);
- // Not testing the return value, since it the behaviour seems to differ
- // between libc implementations and POSIX.
- // Should never crash, though.
-}
-
-TEST(MemorySanitizer, time) {
- time_t t;
- EXPECT_POISONED(t);
- time_t t2 = time(&t);
- ASSERT_NE(t2, (time_t)-1);
- EXPECT_NOT_POISONED(t);
-}
-
-TEST(MemorySanitizer, strptime) {
- struct tm time;
- char *p = strptime("11/1/2013-05:39", "%m/%d/%Y-%H:%M", &time);
- ASSERT_TRUE(p != NULL);
- EXPECT_NOT_POISONED(time.tm_sec);
- EXPECT_NOT_POISONED(time.tm_hour);
- EXPECT_NOT_POISONED(time.tm_year);
-}
-
-TEST(MemorySanitizer, localtime) {
- time_t t = 123;
- struct tm *time = localtime(&t);
- ASSERT_TRUE(time != NULL);
- EXPECT_NOT_POISONED(time->tm_sec);
- EXPECT_NOT_POISONED(time->tm_hour);
- EXPECT_NOT_POISONED(time->tm_year);
- EXPECT_NOT_POISONED(time->tm_isdst);
- EXPECT_NE(0U, strlen(time->tm_zone));
-}
-
-TEST(MemorySanitizer, localtime_r) {
- time_t t = 123;
- struct tm time;
- struct tm *res = localtime_r(&t, &time);
- ASSERT_TRUE(res != NULL);
- EXPECT_NOT_POISONED(time.tm_sec);
- EXPECT_NOT_POISONED(time.tm_hour);
- EXPECT_NOT_POISONED(time.tm_year);
- EXPECT_NOT_POISONED(time.tm_isdst);
- EXPECT_NE(0U, strlen(time.tm_zone));
-}
-
-#if !defined(__FreeBSD__) && !defined(__NetBSD__)
-/* Creates a temporary file with contents similar to /etc/fstab to be used
- with getmntent{_r}. */
-class TempFstabFile {
- public:
- TempFstabFile() : fd (-1) { }
- ~TempFstabFile() {
- if (fd >= 0)
- close (fd);
- }
-
- bool Create(void) {
- snprintf(tmpfile, sizeof(tmpfile), "/tmp/msan.getmntent.tmp.XXXXXX");
-
- fd = mkstemp(tmpfile);
- if (fd == -1)
- return false;
-
- const char entry[] = "/dev/root / ext4 errors=remount-ro 0 1";
- size_t entrylen = sizeof(entry);
-
- size_t bytesWritten = write(fd, entry, entrylen);
- if (entrylen != bytesWritten)
- return false;
-
- return true;
- }
-
- const char* FileName(void) {
- return tmpfile;
- }
-
- private:
- char tmpfile[128];
- int fd;
-};
-#endif
-
-#if !defined(__FreeBSD__) && !defined(__NetBSD__)
-TEST(MemorySanitizer, getmntent) {
- TempFstabFile fstabtmp;
- ASSERT_TRUE(fstabtmp.Create());
- FILE *fp = setmntent(fstabtmp.FileName(), "r");
-
- struct mntent *mnt = getmntent(fp);
- ASSERT_TRUE(mnt != NULL);
- ASSERT_NE(0U, strlen(mnt->mnt_fsname));
- ASSERT_NE(0U, strlen(mnt->mnt_dir));
- ASSERT_NE(0U, strlen(mnt->mnt_type));
- ASSERT_NE(0U, strlen(mnt->mnt_opts));
- EXPECT_NOT_POISONED(mnt->mnt_freq);
- EXPECT_NOT_POISONED(mnt->mnt_passno);
- fclose(fp);
-}
-#endif
-
-#if !defined(__FreeBSD__) && !defined(__NetBSD__)
-TEST(MemorySanitizer, getmntent_r) {
- TempFstabFile fstabtmp;
- ASSERT_TRUE(fstabtmp.Create());
- FILE *fp = setmntent(fstabtmp.FileName(), "r");
-
- struct mntent mntbuf;
- char buf[1000];
- struct mntent *mnt = getmntent_r(fp, &mntbuf, buf, sizeof(buf));
- ASSERT_TRUE(mnt != NULL);
- ASSERT_NE(0U, strlen(mnt->mnt_fsname));
- ASSERT_NE(0U, strlen(mnt->mnt_dir));
- ASSERT_NE(0U, strlen(mnt->mnt_type));
- ASSERT_NE(0U, strlen(mnt->mnt_opts));
- EXPECT_NOT_POISONED(mnt->mnt_freq);
- EXPECT_NOT_POISONED(mnt->mnt_passno);
- fclose(fp);
-}
-#endif
-
-#if !defined(__NetBSD__)
-TEST(MemorySanitizer, ether) {
- const char *asc = "11:22:33:44:55:66";
- struct ether_addr *paddr = ether_aton(asc);
- EXPECT_NOT_POISONED(*paddr);
-
- struct ether_addr addr;
- paddr = ether_aton_r(asc, &addr);
- ASSERT_EQ(paddr, &addr);
- EXPECT_NOT_POISONED(addr);
-
- char *s = ether_ntoa(&addr);
- ASSERT_NE(0U, strlen(s));
-
- char buf[100];
- s = ether_ntoa_r(&addr, buf);
- ASSERT_EQ(s, buf);
- ASSERT_NE(0U, strlen(buf));
-}
-#endif
-
-TEST(MemorySanitizer, mmap) {
- const int size = 4096;
- void *p1, *p2;
- p1 = mmap(0, size, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANON, -1, 0);
- __msan_poison(p1, size);
- munmap(p1, size);
- for (int i = 0; i < 1000; i++) {
- p2 = mmap(0, size, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANON, -1, 0);
- if (p2 == p1)
- break;
- else
- munmap(p2, size);
- }
- if (p1 == p2) {
- EXPECT_NOT_POISONED(*(char*)p2);
- munmap(p2, size);
- }
-}
-
-#if !defined(__FreeBSD__) && !defined(__NetBSD__)
-// FIXME: enable and add ecvt.
-// FIXME: check why msandr does nt handle fcvt.
-TEST(MemorySanitizer, fcvt) {
- int a, b;
- break_optimization(&a);
- break_optimization(&b);
- EXPECT_POISONED(a);
- EXPECT_POISONED(b);
- char *str = fcvt(12345.6789, 10, &a, &b);
- EXPECT_NOT_POISONED(a);
- EXPECT_NOT_POISONED(b);
- ASSERT_NE(nullptr, str);
- EXPECT_NOT_POISONED(str[0]);
- ASSERT_NE(0U, strlen(str));
-}
-#endif
-
-#if !defined(__FreeBSD__) && !defined(__NetBSD__)
-TEST(MemorySanitizer, fcvt_long) {
- int a, b;
- break_optimization(&a);
- break_optimization(&b);
- EXPECT_POISONED(a);
- EXPECT_POISONED(b);
- char *str = fcvt(111111112345.6789, 10, &a, &b);
- EXPECT_NOT_POISONED(a);
- EXPECT_NOT_POISONED(b);
- ASSERT_NE(nullptr, str);
- EXPECT_NOT_POISONED(str[0]);
- ASSERT_NE(0U, strlen(str));
-}
-#endif
-
-TEST(MemorySanitizer, memchr) {
- char x[10];
- break_optimization(x);
- EXPECT_POISONED(x[0]);
- x[2] = '2';
- void *res;
- EXPECT_UMR(res = memchr(x, '2', 10));
- EXPECT_NOT_POISONED(res);
- x[0] = '0';
- x[1] = '1';
- res = memchr(x, '2', 10);
- EXPECT_EQ(&x[2], res);
- EXPECT_UMR(res = memchr(x, '3', 10));
- EXPECT_NOT_POISONED(res);
-}
-
-TEST(MemorySanitizer, memrchr) {
- char x[10];
- break_optimization(x);
- EXPECT_POISONED(x[0]);
- x[9] = '9';
- void *res;
- EXPECT_UMR(res = memrchr(x, '9', 10));
- EXPECT_NOT_POISONED(res);
- x[0] = '0';
- x[1] = '1';
- res = memrchr(x, '0', 2);
- EXPECT_EQ(&x[0], res);
- EXPECT_UMR(res = memrchr(x, '7', 10));
- EXPECT_NOT_POISONED(res);
-}
-
-TEST(MemorySanitizer, frexp) {
- int x;
- x = *GetPoisoned<int>();
- double r = frexp(1.1, &x);
- EXPECT_NOT_POISONED(r);
- EXPECT_NOT_POISONED(x);
-
- x = *GetPoisoned<int>();
- float rf = frexpf(1.1, &x);
- EXPECT_NOT_POISONED(rf);
- EXPECT_NOT_POISONED(x);
-
- x = *GetPoisoned<int>();
- double rl = frexpl(1.1, &x);
- EXPECT_NOT_POISONED(rl);
- EXPECT_NOT_POISONED(x);
-}
-
-namespace {
-
-static int cnt;
-
-void SigactionHandler(int signo, siginfo_t* si, void* uc) {
- ASSERT_EQ(signo, SIGPROF);
- ASSERT_TRUE(si != NULL);
- EXPECT_NOT_POISONED(si->si_errno);
- EXPECT_NOT_POISONED(si->si_pid);
-#ifdef _UC_MACHINE_PC
- EXPECT_NOT_POISONED(_UC_MACHINE_PC((ucontext_t*)uc));
-#else
-# if __linux__
-# if defined(__x86_64__)
- EXPECT_NOT_POISONED(((ucontext_t*)uc)->uc_mcontext.gregs[REG_RIP]);
-# elif defined(__i386__)
- EXPECT_NOT_POISONED(((ucontext_t*)uc)->uc_mcontext.gregs[REG_EIP]);
-# endif
-# endif
-#endif
- ++cnt;
-}
-
-TEST(MemorySanitizer, sigaction) {
- struct sigaction act = {};
- struct sigaction oldact = {};
- struct sigaction origact = {};
-
- sigaction(SIGPROF, 0, &origact);
-
- act.sa_flags |= SA_SIGINFO;
- act.sa_sigaction = &SigactionHandler;
- sigaction(SIGPROF, &act, 0);
-
- kill(getpid(), SIGPROF);
-
- act.sa_flags &= ~SA_SIGINFO;
- act.sa_handler = SIG_DFL;
- sigaction(SIGPROF, &act, 0);
-
- act.sa_flags &= ~SA_SIGINFO;
- act.sa_handler = SIG_IGN;
- sigaction(SIGPROF, &act, &oldact);
- EXPECT_FALSE(oldact.sa_flags & SA_SIGINFO);
- EXPECT_EQ(SIG_DFL, oldact.sa_handler);
- kill(getpid(), SIGPROF);
-
- act.sa_flags |= SA_SIGINFO;
- act.sa_sigaction = &SigactionHandler;
- sigaction(SIGPROF, &act, &oldact);
- EXPECT_FALSE(oldact.sa_flags & SA_SIGINFO);
- EXPECT_EQ(SIG_IGN, oldact.sa_handler);
- kill(getpid(), SIGPROF);
-
- act.sa_flags &= ~SA_SIGINFO;
- act.sa_handler = SIG_DFL;
- sigaction(SIGPROF, &act, &oldact);
- EXPECT_TRUE(oldact.sa_flags & SA_SIGINFO);
- EXPECT_EQ(&SigactionHandler, oldact.sa_sigaction);
- EXPECT_EQ(2, cnt);
-
- sigaction(SIGPROF, &origact, 0);
-}
-
-} // namespace
-
-
-TEST(MemorySanitizer, sigemptyset) {
- sigset_t s;
- EXPECT_POISONED(s);
- int res = sigemptyset(&s);
- ASSERT_EQ(0, res);
- EXPECT_NOT_POISONED(s);
-}
-
-TEST(MemorySanitizer, sigfillset) {
- sigset_t s;
- EXPECT_POISONED(s);
- int res = sigfillset(&s);
- ASSERT_EQ(0, res);
- EXPECT_NOT_POISONED(s);
-}
-
-TEST(MemorySanitizer, sigpending) {
- sigset_t s;
- EXPECT_POISONED(s);
- int res = sigpending(&s);
- ASSERT_EQ(0, res);
- EXPECT_NOT_POISONED(s);
-}
-
-TEST(MemorySanitizer, sigprocmask) {
- sigset_t s;
- EXPECT_POISONED(s);
- int res = sigprocmask(SIG_BLOCK, 0, &s);
- ASSERT_EQ(0, res);
- EXPECT_NOT_POISONED(s);
-}
-
-TEST(MemorySanitizer, pthread_sigmask) {
- sigset_t s;
- EXPECT_POISONED(s);
- int res = pthread_sigmask(SIG_BLOCK, 0, &s);
- ASSERT_EQ(0, res);
- EXPECT_NOT_POISONED(s);
-}
-
-struct StructWithDtor {
- ~StructWithDtor();
-};
-
-NOINLINE StructWithDtor::~StructWithDtor() {
- break_optimization(0);
-}
-
-TEST(MemorySanitizer, Invoke) {
- StructWithDtor s; // Will cause the calls to become invokes.
- EXPECT_NOT_POISONED(0);
- EXPECT_POISONED(*GetPoisoned<int>());
- EXPECT_NOT_POISONED(0);
- EXPECT_POISONED(*GetPoisoned<int>());
- EXPECT_POISONED(ReturnPoisoned<S4>());
-}
-
-TEST(MemorySanitizer, ptrtoint) {
- // Test that shadow is propagated through pointer-to-integer conversion.
- unsigned char c = 0;
- __msan_poison(&c, 1);
- uintptr_t u = (uintptr_t)c << 8;
- EXPECT_NOT_POISONED(u & 0xFF00FF);
- EXPECT_POISONED(u & 0xFF00);
-
- break_optimization(&u);
- void* p = (void*)u;
-
- break_optimization(&p);
- EXPECT_POISONED(p);
- EXPECT_NOT_POISONED(((uintptr_t)p) & 0xFF00FF);
- EXPECT_POISONED(((uintptr_t)p) & 0xFF00);
-}
-
-static void vaargsfn2(int guard, ...) {
- va_list vl;
- va_start(vl, guard);
- EXPECT_NOT_POISONED(va_arg(vl, int));
- EXPECT_NOT_POISONED(va_arg(vl, int));
- EXPECT_NOT_POISONED(va_arg(vl, int));
- EXPECT_POISONED(va_arg(vl, double));
- va_end(vl);
-}
-
-static void vaargsfn(int guard, ...) {
- va_list vl;
- va_start(vl, guard);
- EXPECT_NOT_POISONED(va_arg(vl, int));
- EXPECT_POISONED(va_arg(vl, int));
- // The following call will overwrite __msan_param_tls.
- // Checks after it test that arg shadow was somehow saved across the call.
- vaargsfn2(1, 2, 3, 4, *GetPoisoned<double>());
- EXPECT_NOT_POISONED(va_arg(vl, int));
- EXPECT_POISONED(va_arg(vl, int));
- va_end(vl);
-}
-
-TEST(MemorySanitizer, VAArgTest) {
- int* x = GetPoisoned<int>();
- int* y = GetPoisoned<int>(4);
- vaargsfn(1, 13, *x, 42, *y);
-}
-
-static void vaargsfn_many(int guard, ...) {
- va_list vl;
- va_start(vl, guard);
- EXPECT_NOT_POISONED(va_arg(vl, int));
- EXPECT_POISONED(va_arg(vl, int));
- EXPECT_NOT_POISONED(va_arg(vl, int));
- EXPECT_NOT_POISONED(va_arg(vl, int));
- EXPECT_NOT_POISONED(va_arg(vl, int));
- EXPECT_NOT_POISONED(va_arg(vl, int));
- EXPECT_NOT_POISONED(va_arg(vl, int));
- EXPECT_NOT_POISONED(va_arg(vl, int));
- EXPECT_NOT_POISONED(va_arg(vl, int));
- EXPECT_POISONED(va_arg(vl, int));
- va_end(vl);
-}
-
-TEST(MemorySanitizer, VAArgManyTest) {
- int* x = GetPoisoned<int>();
- int* y = GetPoisoned<int>(4);
- vaargsfn_many(1, 2, *x, 3, 4, 5, 6, 7, 8, 9, *y);
-}
-
-static void vaargsfn_manyfix(int g1, int g2, int g3, int g4, int g5, int g6, int g7, int g8, int g9, ...) {
- va_list vl;
- va_start(vl, g9);
- EXPECT_NOT_POISONED(va_arg(vl, int));
- EXPECT_POISONED(va_arg(vl, int));
- va_end(vl);
-}
-
-TEST(MemorySanitizer, VAArgManyFixTest) {
- int* x = GetPoisoned<int>();
- int* y = GetPoisoned<int>();
- vaargsfn_manyfix(1, *x, 3, 4, 5, 6, 7, 8, 9, 10, *y);
-}
-
-static void vaargsfn_pass2(va_list vl) {
- EXPECT_NOT_POISONED(va_arg(vl, int));
- EXPECT_NOT_POISONED(va_arg(vl, int));
- EXPECT_POISONED(va_arg(vl, int));
-}
-
-static void vaargsfn_pass(int guard, ...) {
- va_list vl;
- va_start(vl, guard);
- EXPECT_POISONED(va_arg(vl, int));
- vaargsfn_pass2(vl);
- va_end(vl);
-}
-
-TEST(MemorySanitizer, VAArgPass) {
- int* x = GetPoisoned<int>();
- int* y = GetPoisoned<int>(4);
- vaargsfn_pass(1, *x, 2, 3, *y);
-}
-
-static void vaargsfn_copy2(va_list vl) {
- EXPECT_NOT_POISONED(va_arg(vl, int));
- EXPECT_POISONED(va_arg(vl, int));
-}
-
-static void vaargsfn_copy(int guard, ...) {
- va_list vl;
- va_start(vl, guard);
- EXPECT_NOT_POISONED(va_arg(vl, int));
- EXPECT_POISONED(va_arg(vl, int));
- va_list vl2;
- va_copy(vl2, vl);
- vaargsfn_copy2(vl2);
- EXPECT_NOT_POISONED(va_arg(vl, int));
- EXPECT_POISONED(va_arg(vl, int));
- va_end(vl);
-}
-
-TEST(MemorySanitizer, VAArgCopy) {
- int* x = GetPoisoned<int>();
- int* y = GetPoisoned<int>(4);
- vaargsfn_copy(1, 2, *x, 3, *y);
-}
-
-static void vaargsfn_ptr(int guard, ...) {
- va_list vl;
- va_start(vl, guard);
- EXPECT_NOT_POISONED(va_arg(vl, int*));
- EXPECT_POISONED(va_arg(vl, int*));
- EXPECT_NOT_POISONED(va_arg(vl, int*));
- EXPECT_POISONED(va_arg(vl, double*));
- va_end(vl);
-}
-
-TEST(MemorySanitizer, VAArgPtr) {
- int** x = GetPoisoned<int*>();
- double** y = GetPoisoned<double*>(8);
- int z;
- vaargsfn_ptr(1, &z, *x, &z, *y);
-}
-
-static void vaargsfn_overflow(int guard, ...) {
- va_list vl;
- va_start(vl, guard);
- EXPECT_NOT_POISONED(va_arg(vl, int));
- EXPECT_NOT_POISONED(va_arg(vl, int));
- EXPECT_POISONED(va_arg(vl, int));
- EXPECT_NOT_POISONED(va_arg(vl, int));
- EXPECT_NOT_POISONED(va_arg(vl, int));
- EXPECT_NOT_POISONED(va_arg(vl, int));
-
- EXPECT_NOT_POISONED(va_arg(vl, double));
- EXPECT_NOT_POISONED(va_arg(vl, double));
- EXPECT_NOT_POISONED(va_arg(vl, double));
- EXPECT_POISONED(va_arg(vl, double));
- EXPECT_NOT_POISONED(va_arg(vl, double));
- EXPECT_POISONED(va_arg(vl, int*));
- EXPECT_NOT_POISONED(va_arg(vl, double));
- EXPECT_NOT_POISONED(va_arg(vl, double));
-
- EXPECT_POISONED(va_arg(vl, int));
- EXPECT_POISONED(va_arg(vl, double));
- EXPECT_POISONED(va_arg(vl, int*));
-
- EXPECT_NOT_POISONED(va_arg(vl, int));
- EXPECT_NOT_POISONED(va_arg(vl, double));
- EXPECT_NOT_POISONED(va_arg(vl, int*));
-
- EXPECT_POISONED(va_arg(vl, int));
- EXPECT_POISONED(va_arg(vl, double));
- EXPECT_POISONED(va_arg(vl, int*));
-
- va_end(vl);
-}
-
-TEST(MemorySanitizer, VAArgOverflow) {
- int* x = GetPoisoned<int>();
- double* y = GetPoisoned<double>(8);
- int** p = GetPoisoned<int*>(16);
- int z;
- vaargsfn_overflow(1,
- 1, 2, *x, 4, 5, 6,
- 1.1, 2.2, 3.3, *y, 5.5, *p, 7.7, 8.8,
- // the following args will overflow for sure
- *x, *y, *p,
- 7, 9.9, &z,
- *x, *y, *p);
-}
-
-static void vaargsfn_tlsoverwrite2(int guard, ...) {
- va_list vl;
- va_start(vl, guard);
- for (int i = 0; i < 20; ++i)
- EXPECT_NOT_POISONED(va_arg(vl, int));
- va_end(vl);
-}
-
-static void vaargsfn_tlsoverwrite(int guard, ...) {
- // This call will overwrite TLS contents unless it's backed up somewhere.
- vaargsfn_tlsoverwrite2(2,
- 42, 42, 42, 42, 42,
- 42, 42, 42, 42, 42,
- 42, 42, 42, 42, 42,
- 42, 42, 42, 42, 42); // 20x
- va_list vl;
- va_start(vl, guard);
- for (int i = 0; i < 20; ++i)
- EXPECT_POISONED(va_arg(vl, int));
- va_end(vl);
-}
-
-TEST(MemorySanitizer, VAArgTLSOverwrite) {
- int* x = GetPoisoned<int>();
- vaargsfn_tlsoverwrite(1,
- *x, *x, *x, *x, *x,
- *x, *x, *x, *x, *x,
- *x, *x, *x, *x, *x,
- *x, *x, *x, *x, *x); // 20x
-
-}
-
-struct StructByVal {
- int a, b, c, d, e, f;
-};
-
-static void vaargsfn_structbyval(int guard, ...) {
- va_list vl;
- va_start(vl, guard);
- {
- StructByVal s = va_arg(vl, StructByVal);
- EXPECT_NOT_POISONED(s.a);
- EXPECT_POISONED(s.b);
- EXPECT_NOT_POISONED(s.c);
- EXPECT_POISONED(s.d);
- EXPECT_NOT_POISONED(s.e);
- EXPECT_POISONED(s.f);
- }
- {
- StructByVal s = va_arg(vl, StructByVal);
- EXPECT_NOT_POISONED(s.a);
- EXPECT_POISONED(s.b);
- EXPECT_NOT_POISONED(s.c);
- EXPECT_POISONED(s.d);
- EXPECT_NOT_POISONED(s.e);
- EXPECT_POISONED(s.f);
- }
- va_end(vl);
-}
-
-TEST(MemorySanitizer, VAArgStructByVal) {
- StructByVal s;
- s.a = 1;
- s.b = *GetPoisoned<int>();
- s.c = 2;
- s.d = *GetPoisoned<int>();
- s.e = 3;
- s.f = *GetPoisoned<int>();
- vaargsfn_structbyval(0, s, s);
-}
-
-NOINLINE void StructByValTestFunc(struct StructByVal s) {
- EXPECT_NOT_POISONED(s.a);
- EXPECT_POISONED(s.b);
- EXPECT_NOT_POISONED(s.c);
- EXPECT_POISONED(s.d);
- EXPECT_NOT_POISONED(s.e);
- EXPECT_POISONED(s.f);
-}
-
-NOINLINE void StructByValTestFunc1(struct StructByVal s) {
- StructByValTestFunc(s);
-}
-
-NOINLINE void StructByValTestFunc2(int z, struct StructByVal s) {
- StructByValTestFunc(s);
-}
-
-TEST(MemorySanitizer, StructByVal) {
- // Large aggregates are passed as "byval" pointer argument in LLVM.
- struct StructByVal s;
- s.a = 1;
- s.b = *GetPoisoned<int>();
- s.c = 2;
- s.d = *GetPoisoned<int>();
- s.e = 3;
- s.f = *GetPoisoned<int>();
- StructByValTestFunc(s);
- StructByValTestFunc1(s);
- StructByValTestFunc2(0, s);
-}
-
-
-#if MSAN_HAS_M128
-NOINLINE __m128i m128Eq(__m128i *a, __m128i *b) { return _mm_cmpeq_epi16(*a, *b); }
-NOINLINE __m128i m128Lt(__m128i *a, __m128i *b) { return _mm_cmplt_epi16(*a, *b); }
-TEST(MemorySanitizer, m128) {
- __m128i a = _mm_set1_epi16(0x1234);
- __m128i b = _mm_set1_epi16(0x7890);
- EXPECT_NOT_POISONED(m128Eq(&a, &b));
- EXPECT_NOT_POISONED(m128Lt(&a, &b));
-}
-// FIXME: add more tests for __m128i.
-#endif // MSAN_HAS_M128
-
-// We should not complain when copying this poisoned hole.
-struct StructWithHole {
- U4 a;
- // 4-byte hole.
- U8 b;
-};
-
-NOINLINE StructWithHole ReturnStructWithHole() {
- StructWithHole res;
- __msan_poison(&res, sizeof(res));
- res.a = 1;
- res.b = 2;
- return res;
-}
-
-TEST(MemorySanitizer, StructWithHole) {
- StructWithHole a = ReturnStructWithHole();
- break_optimization(&a);
-}
-
-template <class T>
-NOINLINE T ReturnStruct() {
- T res;
- __msan_poison(&res, sizeof(res));
- res.a = 1;
- return res;
-}
-
-template <class T>
-NOINLINE void TestReturnStruct() {
- T s1 = ReturnStruct<T>();
- EXPECT_NOT_POISONED(s1.a);
- EXPECT_POISONED(s1.b);
-}
-
-struct SSS1 {
- int a, b, c;
-};
-struct SSS2 {
- int b, a, c;
-};
-struct SSS3 {
- int b, c, a;
-};
-struct SSS4 {
- int c, b, a;
-};
-
-struct SSS5 {
- int a;
- float b;
-};
-struct SSS6 {
- int a;
- double b;
-};
-struct SSS7 {
- S8 b;
- int a;
-};
-struct SSS8 {
- S2 b;
- S8 a;
-};
-
-TEST(MemorySanitizer, IntStruct3) {
- TestReturnStruct<SSS1>();
- TestReturnStruct<SSS2>();
- TestReturnStruct<SSS3>();
- TestReturnStruct<SSS4>();
- TestReturnStruct<SSS5>();
- TestReturnStruct<SSS6>();
- TestReturnStruct<SSS7>();
- TestReturnStruct<SSS8>();
-}
-
-struct LongStruct {
- U1 a1, b1;
- U2 a2, b2;
- U4 a4, b4;
- U8 a8, b8;
-};
-
-NOINLINE LongStruct ReturnLongStruct1() {
- LongStruct res;
- __msan_poison(&res, sizeof(res));
- res.a1 = res.a2 = res.a4 = res.a8 = 111;
- // leaves b1, .., b8 poisoned.
- return res;
-}
-
-NOINLINE LongStruct ReturnLongStruct2() {
- LongStruct res;
- __msan_poison(&res, sizeof(res));
- res.b1 = res.b2 = res.b4 = res.b8 = 111;
- // leaves a1, .., a8 poisoned.
- return res;
-}
-
-TEST(MemorySanitizer, LongStruct) {
- LongStruct s1 = ReturnLongStruct1();
- __msan_print_shadow(&s1, sizeof(s1));
- EXPECT_NOT_POISONED(s1.a1);
- EXPECT_NOT_POISONED(s1.a2);
- EXPECT_NOT_POISONED(s1.a4);
- EXPECT_NOT_POISONED(s1.a8);
-
- EXPECT_POISONED(s1.b1);
- EXPECT_POISONED(s1.b2);
- EXPECT_POISONED(s1.b4);
- EXPECT_POISONED(s1.b8);
-
- LongStruct s2 = ReturnLongStruct2();
- __msan_print_shadow(&s2, sizeof(s2));
- EXPECT_NOT_POISONED(s2.b1);
- EXPECT_NOT_POISONED(s2.b2);
- EXPECT_NOT_POISONED(s2.b4);
- EXPECT_NOT_POISONED(s2.b8);
-
- EXPECT_POISONED(s2.a1);
- EXPECT_POISONED(s2.a2);
- EXPECT_POISONED(s2.a4);
- EXPECT_POISONED(s2.a8);
-}
-
-#if defined(__FreeBSD__) || defined(__NetBSD__)
-#define MSAN_TEST_PRLIMIT 0
-#elif defined(__GLIBC__)
-#define MSAN_TEST_PRLIMIT __GLIBC_PREREQ(2, 13)
-#else
-#define MSAN_TEST_PRLIMIT 1
-#endif
-
-TEST(MemorySanitizer, getrlimit) {
- struct rlimit limit;
- __msan_poison(&limit, sizeof(limit));
- int result = getrlimit(RLIMIT_DATA, &limit);
- ASSERT_EQ(result, 0);
- EXPECT_NOT_POISONED(limit.rlim_cur);
- EXPECT_NOT_POISONED(limit.rlim_max);
-
-#if MSAN_TEST_PRLIMIT
- struct rlimit limit2;
- __msan_poison(&limit2, sizeof(limit2));
- result = prlimit(getpid(), RLIMIT_DATA, &limit, &limit2);
- ASSERT_EQ(result, 0);
- EXPECT_NOT_POISONED(limit2.rlim_cur);
- EXPECT_NOT_POISONED(limit2.rlim_max);
-
- __msan_poison(&limit, sizeof(limit));
- result = prlimit(getpid(), RLIMIT_DATA, nullptr, &limit);
- ASSERT_EQ(result, 0);
- EXPECT_NOT_POISONED(limit.rlim_cur);
- EXPECT_NOT_POISONED(limit.rlim_max);
-
- result = prlimit(getpid(), RLIMIT_DATA, &limit, nullptr);
- ASSERT_EQ(result, 0);
-#endif
-}
-
-TEST(MemorySanitizer, getrusage) {
- struct rusage usage;
- __msan_poison(&usage, sizeof(usage));
- int result = getrusage(RUSAGE_SELF, &usage);
- ASSERT_EQ(result, 0);
- EXPECT_NOT_POISONED(usage.ru_utime.tv_sec);
- EXPECT_NOT_POISONED(usage.ru_utime.tv_usec);
- EXPECT_NOT_POISONED(usage.ru_stime.tv_sec);
- EXPECT_NOT_POISONED(usage.ru_stime.tv_usec);
- EXPECT_NOT_POISONED(usage.ru_maxrss);
- EXPECT_NOT_POISONED(usage.ru_minflt);
- EXPECT_NOT_POISONED(usage.ru_majflt);
- EXPECT_NOT_POISONED(usage.ru_inblock);
- EXPECT_NOT_POISONED(usage.ru_oublock);
- EXPECT_NOT_POISONED(usage.ru_nvcsw);
- EXPECT_NOT_POISONED(usage.ru_nivcsw);
-}
-
-#if defined(__FreeBSD__) || defined(__NetBSD__)
-static void GetProgramPath(char *buf, size_t sz) {
-#if defined(__FreeBSD__)
- int mib[4] = { CTL_KERN, KERN_PROC, KERN_PROC_PATHNAME, -1 };
-#elif defined(__NetBSD__)
- int mib[4] = { CTL_KERN, KERN_PROC_ARGS, -1, KERN_PROC_PATHNAME};
-#endif
- int res = sysctl(mib, 4, buf, &sz, NULL, 0);
- ASSERT_EQ(0, res);
-}
-#elif defined(__GLIBC__)
-static void GetProgramPath(char *buf, size_t sz) {
- extern char *program_invocation_name;
- int res = snprintf(buf, sz, "%s", program_invocation_name);
- ASSERT_GE(res, 0);
- ASSERT_LT((size_t)res, sz);
-}
-#else
-# error "TODO: port this"
-#endif
-
-static void dladdr_testfn() {}
-
-TEST(MemorySanitizer, dladdr) {
- Dl_info info;
- __msan_poison(&info, sizeof(info));
- int result = dladdr((const void*)dladdr_testfn, &info);
- ASSERT_NE(result, 0);
- EXPECT_NOT_POISONED((unsigned long)info.dli_fname);
- if (info.dli_fname)
- EXPECT_NOT_POISONED(strlen(info.dli_fname));
- EXPECT_NOT_POISONED((unsigned long)info.dli_fbase);
- EXPECT_NOT_POISONED((unsigned long)info.dli_sname);
- if (info.dli_sname)
- EXPECT_NOT_POISONED(strlen(info.dli_sname));
- EXPECT_NOT_POISONED((unsigned long)info.dli_saddr);
-}
-
-#ifndef MSAN_TEST_DISABLE_DLOPEN
-
-static int dl_phdr_callback(struct dl_phdr_info *info, size_t size, void *data) {
- (*(int *)data)++;
- EXPECT_NOT_POISONED(info->dlpi_addr);
- EXPECT_NOT_POISONED(strlen(info->dlpi_name));
- EXPECT_NOT_POISONED(info->dlpi_phnum);
- for (int i = 0; i < info->dlpi_phnum; ++i)
- EXPECT_NOT_POISONED(info->dlpi_phdr[i]);
- return 0;
-}
-
-// Compute the path to our loadable DSO. We assume it's in the same
-// directory. Only use string routines that we intercept so far to do this.
-static void GetPathToLoadable(char *buf, size_t sz) {
- char program_path[kMaxPathLength];
- GetProgramPath(program_path, sizeof(program_path));
-
- const char *last_slash = strrchr(program_path, '/');
- ASSERT_NE(nullptr, last_slash);
- size_t dir_len = (size_t)(last_slash - program_path);
-#if defined(__x86_64__)
- static const char basename[] = "libmsan_loadable.x86_64.so";
-#elif defined(__MIPSEB__) || defined(MIPSEB)
- static const char basename[] = "libmsan_loadable.mips64.so";
-#elif defined(__mips64)
- static const char basename[] = "libmsan_loadable.mips64el.so";
-#elif defined(__aarch64__)
- static const char basename[] = "libmsan_loadable.aarch64.so";
-#elif defined(__powerpc64__) && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
- static const char basename[] = "libmsan_loadable.powerpc64.so";
-#elif defined(__powerpc64__) && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
- static const char basename[] = "libmsan_loadable.powerpc64le.so";
-#endif
- int res = snprintf(buf, sz, "%.*s/%s",
- (int)dir_len, program_path, basename);
- ASSERT_GE(res, 0);
- ASSERT_LT((size_t)res, sz);
-}
-
-TEST(MemorySanitizer, dl_iterate_phdr) {
- char path[kMaxPathLength];
- GetPathToLoadable(path, sizeof(path));
-
- // Having at least one dlopen'ed library in the process makes this more
- // entertaining.
- void *lib = dlopen(path, RTLD_LAZY);
- ASSERT_NE((void*)0, lib);
-
- int count = 0;
- int result = dl_iterate_phdr(dl_phdr_callback, &count);
- ASSERT_GT(count, 0);
-
- dlclose(lib);
-}
-
-TEST(MemorySanitizer, dlopen) {
- char path[kMaxPathLength];
- GetPathToLoadable(path, sizeof(path));
-
- // We need to clear shadow for globals when doing dlopen. In order to test
- // this, we have to poison the shadow for the DSO before we load it. In
- // general this is difficult, but the loader tends to reload things in the
- // same place, so we open, close, and then reopen. The global should always
- // start out clean after dlopen.
- for (int i = 0; i < 2; i++) {
- void *lib = dlopen(path, RTLD_LAZY);
- if (lib == NULL) {
- printf("dlerror: %s\n", dlerror());
- ASSERT_TRUE(lib != NULL);
- }
- void **(*get_dso_global)() = (void **(*)())dlsym(lib, "get_dso_global");
- ASSERT_TRUE(get_dso_global != NULL);
- void **dso_global = get_dso_global();
- EXPECT_NOT_POISONED(*dso_global);
- __msan_poison(dso_global, sizeof(*dso_global));
- EXPECT_POISONED(*dso_global);
- dlclose(lib);
- }
-}
-
-// Regression test for a crash in dlopen() interceptor.
-TEST(MemorySanitizer, dlopenFailed) {
- const char *path = "/libmsan_loadable_does_not_exist.so";
- void *lib = dlopen(path, RTLD_LAZY);
- ASSERT_TRUE(lib == NULL);
-}
-
-#endif // MSAN_TEST_DISABLE_DLOPEN
-
-#if !defined(__FreeBSD__) && !defined(__NetBSD__)
-TEST(MemorySanitizer, sched_getaffinity) {
- cpu_set_t mask;
- int res = sched_getaffinity(getpid(), sizeof(mask), &mask);
- ASSERT_EQ(0, res);
- EXPECT_NOT_POISONED(mask);
-}
-#endif
-
-TEST(MemorySanitizer, scanf) {
- const char *input = "42 hello";
- int* d = new int;
- char* s = new char[7];
- int res = sscanf(input, "%d %5s", d, s);
- printf("res %d\n", res);
- ASSERT_EQ(res, 2);
- EXPECT_NOT_POISONED(*d);
- EXPECT_NOT_POISONED(s[0]);
- EXPECT_NOT_POISONED(s[1]);
- EXPECT_NOT_POISONED(s[2]);
- EXPECT_NOT_POISONED(s[3]);
- EXPECT_NOT_POISONED(s[4]);
- EXPECT_NOT_POISONED(s[5]);
- EXPECT_POISONED(s[6]);
- delete[] s;
- delete d;
-}
-
-static void *SimpleThread_threadfn(void* data) {
- return new int;
-}
-
-TEST(MemorySanitizer, SimpleThread) {
- pthread_t t;
- void *p;
- int res = pthread_create(&t, NULL, SimpleThread_threadfn, NULL);
- ASSERT_EQ(0, res);
- EXPECT_NOT_POISONED(t);
- res = pthread_join(t, &p);
- ASSERT_EQ(0, res);
- EXPECT_NOT_POISONED(p);
- delete (int*)p;
-}
-
-static void *SmallStackThread_threadfn(void* data) {
- return 0;
-}
-
-#ifdef PTHREAD_STACK_MIN
-# define SMALLSTACKSIZE PTHREAD_STACK_MIN
-# define SMALLPRESTACKSIZE PTHREAD_STACK_MIN
-#else
-# define SMALLSTACKSIZE 64 * 1024
-# define SMALLPRESTACKSIZE 16 * 1024
-#endif
-
-TEST(MemorySanitizer, SmallStackThread) {
- pthread_attr_t attr;
- pthread_t t;
- void *p;
- int res;
- res = pthread_attr_init(&attr);
- ASSERT_EQ(0, res);
- res = pthread_attr_setstacksize(&attr, SMALLSTACKSIZE);
- ASSERT_EQ(0, res);
- res = pthread_create(&t, &attr, SmallStackThread_threadfn, NULL);
- ASSERT_EQ(0, res);
- res = pthread_join(t, &p);
- ASSERT_EQ(0, res);
- res = pthread_attr_destroy(&attr);
- ASSERT_EQ(0, res);
-}
-
-TEST(MemorySanitizer, SmallPreAllocatedStackThread) {
- pthread_attr_t attr;
- pthread_t t;
- int res;
- res = pthread_attr_init(&attr);
- ASSERT_EQ(0, res);
- void *stack;
- const size_t kStackSize = SMALLPRESTACKSIZE;
- res = posix_memalign(&stack, 4096, kStackSize);
- ASSERT_EQ(0, res);
- res = pthread_attr_setstack(&attr, stack, kStackSize);
- ASSERT_EQ(0, res);
- res = pthread_create(&t, &attr, SmallStackThread_threadfn, NULL);
- EXPECT_EQ(0, res);
- res = pthread_join(t, NULL);
- ASSERT_EQ(0, res);
- res = pthread_attr_destroy(&attr);
- ASSERT_EQ(0, res);
-}
-
-TEST(MemorySanitizer, pthread_attr_get) {
- pthread_attr_t attr;
- int res;
- res = pthread_attr_init(&attr);
- ASSERT_EQ(0, res);
- {
- int v;
- res = pthread_attr_getdetachstate(&attr, &v);
- ASSERT_EQ(0, res);
- EXPECT_NOT_POISONED(v);
- }
- {
- size_t v;
- res = pthread_attr_getguardsize(&attr, &v);
- ASSERT_EQ(0, res);
- EXPECT_NOT_POISONED(v);
- }
- {
- struct sched_param v;
- res = pthread_attr_getschedparam(&attr, &v);
- ASSERT_EQ(0, res);
- EXPECT_NOT_POISONED(v);
- }
- {
- int v;
- res = pthread_attr_getschedpolicy(&attr, &v);
- ASSERT_EQ(0, res);
- EXPECT_NOT_POISONED(v);
- }
- {
- int v;
- res = pthread_attr_getinheritsched(&attr, &v);
- ASSERT_EQ(0, res);
- EXPECT_NOT_POISONED(v);
- }
- {
- int v;
- res = pthread_attr_getscope(&attr, &v);
- ASSERT_EQ(0, res);
- EXPECT_NOT_POISONED(v);
- }
- {
- size_t v;
- res = pthread_attr_getstacksize(&attr, &v);
- ASSERT_EQ(0, res);
- EXPECT_NOT_POISONED(v);
- }
- {
- void *v;
- size_t w;
- res = pthread_attr_getstack(&attr, &v, &w);
- ASSERT_EQ(0, res);
- EXPECT_NOT_POISONED(v);
- EXPECT_NOT_POISONED(w);
- }
-#if !defined(__NetBSD__)
- {
- cpu_set_t v;
- res = pthread_attr_getaffinity_np(&attr, sizeof(v), &v);
- ASSERT_EQ(0, res);
- EXPECT_NOT_POISONED(v);
- }
-#endif
- res = pthread_attr_destroy(&attr);
- ASSERT_EQ(0, res);
-}
-
-TEST(MemorySanitizer, pthread_getschedparam) {
- int policy;
- struct sched_param param;
- int res = pthread_getschedparam(pthread_self(), &policy, ¶m);
- ASSERT_EQ(0, res);
- EXPECT_NOT_POISONED(policy);
- EXPECT_NOT_POISONED(param.sched_priority);
-}
-
-TEST(MemorySanitizer, pthread_key_create) {
- pthread_key_t key;
- int res = pthread_key_create(&key, NULL);
- ASSERT_EQ(0, res);
- EXPECT_NOT_POISONED(key);
- res = pthread_key_delete(key);
- ASSERT_EQ(0, res);
-}
-
-namespace {
-struct SignalCondArg {
- pthread_cond_t* cond;
- pthread_mutex_t* mu;
- bool broadcast;
-};
-
-void *SignalCond(void *param) {
- SignalCondArg *arg = reinterpret_cast<SignalCondArg *>(param);
- pthread_mutex_lock(arg->mu);
- if (arg->broadcast)
- pthread_cond_broadcast(arg->cond);
- else
- pthread_cond_signal(arg->cond);
- pthread_mutex_unlock(arg->mu);
- return 0;
-}
-} // namespace
-
-TEST(MemorySanitizer, pthread_cond_wait) {
- pthread_cond_t cond;
- pthread_mutex_t mu;
- SignalCondArg args = {&cond, &mu, false};
- pthread_cond_init(&cond, 0);
- pthread_mutex_init(&mu, 0);
- pthread_mutex_lock(&mu);
-
- // signal
- pthread_t thr;
- pthread_create(&thr, 0, SignalCond, &args);
- int res = pthread_cond_wait(&cond, &mu);
- ASSERT_EQ(0, res);
- pthread_join(thr, 0);
-
- // broadcast
- args.broadcast = true;
- pthread_create(&thr, 0, SignalCond, &args);
- res = pthread_cond_wait(&cond, &mu);
- ASSERT_EQ(0, res);
- pthread_join(thr, 0);
-
- pthread_mutex_unlock(&mu);
- pthread_mutex_destroy(&mu);
- pthread_cond_destroy(&cond);
-}
-
-TEST(MemorySanitizer, tmpnam) {
- char s[L_tmpnam];
- char *res = tmpnam(s);
- ASSERT_EQ(s, res);
- EXPECT_NOT_POISONED(strlen(res));
-}
-
-TEST(MemorySanitizer, tempnam) {
- char *res = tempnam(NULL, "zzz");
- EXPECT_NOT_POISONED(strlen(res));
- free(res);
-}
-
-TEST(MemorySanitizer, posix_memalign) {
- void *p;
- EXPECT_POISONED(p);
- int res = posix_memalign(&p, 4096, 13);
- ASSERT_EQ(0, res);
- EXPECT_NOT_POISONED(p);
- EXPECT_EQ(0U, (uintptr_t)p % 4096);
- free(p);
-}
-
-#if !defined(__FreeBSD__) && !defined(__NetBSD__)
-TEST(MemorySanitizer, memalign) {
- void *p = memalign(4096, 13);
- EXPECT_EQ(0U, (uintptr_t)p % 4096);
- free(p);
-}
-#endif
-
-TEST(MemorySanitizer, valloc) {
- void *a = valloc(100);
- uintptr_t PageSize = GetPageSize();
- EXPECT_EQ(0U, (uintptr_t)a % PageSize);
- free(a);
-}
-
-#if !defined(__FreeBSD__) && !defined(__NetBSD__)
-TEST(MemorySanitizer, pvalloc) {
- uintptr_t PageSize = GetPageSize();
- void *p = pvalloc(PageSize + 100);
- EXPECT_EQ(0U, (uintptr_t)p % PageSize);
- EXPECT_EQ(2 * PageSize, __sanitizer_get_allocated_size(p));
- free(p);
-
- p = pvalloc(0); // pvalloc(0) should allocate at least one page.
- EXPECT_EQ(0U, (uintptr_t)p % PageSize);
- EXPECT_EQ(PageSize, __sanitizer_get_allocated_size(p));
- free(p);
-}
-#endif
-
-TEST(MemorySanitizer, inet_pton) {
- const char *s = "1:0:0:0:0:0:0:8";
- unsigned char buf[sizeof(struct in6_addr)];
- int res = inet_pton(AF_INET6, s, buf);
- ASSERT_EQ(1, res);
- EXPECT_NOT_POISONED(buf[0]);
- EXPECT_NOT_POISONED(buf[sizeof(struct in6_addr) - 1]);
-
- char s_out[INET6_ADDRSTRLEN];
- EXPECT_POISONED(s_out[3]);
- const char *q = inet_ntop(AF_INET6, buf, s_out, INET6_ADDRSTRLEN);
- ASSERT_NE((void*)0, q);
- EXPECT_NOT_POISONED(s_out[3]);
-}
-
-TEST(MemorySanitizer, inet_aton) {
- const char *s = "127.0.0.1";
- struct in_addr in[2];
- int res = inet_aton(s, in);
- ASSERT_NE(0, res);
- EXPECT_NOT_POISONED(in[0]);
- EXPECT_POISONED(*(char *)(in + 1));
-}
-
-TEST(MemorySanitizer, uname) {
- struct utsname u;
- int res = uname(&u);
- ASSERT_EQ(0, res);
- EXPECT_NOT_POISONED(strlen(u.sysname));
- EXPECT_NOT_POISONED(strlen(u.nodename));
- EXPECT_NOT_POISONED(strlen(u.release));
- EXPECT_NOT_POISONED(strlen(u.version));
- EXPECT_NOT_POISONED(strlen(u.machine));
-}
-
-TEST(MemorySanitizer, gethostname) {
- char buf[100];
- int res = gethostname(buf, 100);
- ASSERT_EQ(0, res);
- EXPECT_NOT_POISONED(strlen(buf));
-}
-
-#if !defined(__FreeBSD__) && !defined(__NetBSD__)
-TEST(MemorySanitizer, sysinfo) {
- struct sysinfo info;
- int res = sysinfo(&info);
- ASSERT_EQ(0, res);
- EXPECT_NOT_POISONED(info);
-}
-#endif
-
-TEST(MemorySanitizer, getpwuid) {
- struct passwd *p = getpwuid(0); // root
- ASSERT_TRUE(p != NULL);
- EXPECT_NOT_POISONED(p->pw_name);
- ASSERT_TRUE(p->pw_name != NULL);
- EXPECT_NOT_POISONED(p->pw_name[0]);
- EXPECT_NOT_POISONED(p->pw_uid);
- ASSERT_EQ(0U, p->pw_uid);
-}
-
-TEST(MemorySanitizer, getpwuid_r) {
- struct passwd pwd;
- struct passwd *pwdres;
- char buf[10000];
- int res = getpwuid_r(0, &pwd, buf, sizeof(buf), &pwdres);
- ASSERT_EQ(0, res);
- EXPECT_NOT_POISONED(pwd.pw_name);
- ASSERT_TRUE(pwd.pw_name != NULL);
- EXPECT_NOT_POISONED(pwd.pw_name[0]);
- EXPECT_NOT_POISONED(pwd.pw_uid);
- ASSERT_EQ(0U, pwd.pw_uid);
- EXPECT_NOT_POISONED(pwdres);
-}
-
-TEST(MemorySanitizer, getpwnam_r) {
- struct passwd pwd;
- struct passwd *pwdres;
- char buf[10000];
- int res = getpwnam_r("root", &pwd, buf, sizeof(buf), &pwdres);
- ASSERT_EQ(0, res);
- EXPECT_NOT_POISONED(pwd.pw_name);
- ASSERT_TRUE(pwd.pw_name != NULL);
- EXPECT_NOT_POISONED(pwd.pw_name[0]);
- EXPECT_NOT_POISONED(pwd.pw_uid);
- ASSERT_EQ(0U, pwd.pw_uid);
- EXPECT_NOT_POISONED(pwdres);
-}
-
-TEST(MemorySanitizer, getpwnam_r_positive) {
- struct passwd pwd;
- struct passwd *pwdres;
- char s[5];
- strncpy(s, "abcd", 5);
- __msan_poison(s, 5);
- char buf[10000];
- int res;
- EXPECT_UMR(res = getpwnam_r(s, &pwd, buf, sizeof(buf), &pwdres));
-}
-
-TEST(MemorySanitizer, getgrnam_r) {
- struct group grp;
- struct group *grpres;
- char buf[10000];
- int res = getgrnam_r(SUPERUSER_GROUP, &grp, buf, sizeof(buf), &grpres);
- ASSERT_EQ(0, res);
- // Note that getgrnam_r() returns 0 if the matching group is not found.
- ASSERT_NE(nullptr, grpres);
- EXPECT_NOT_POISONED(grp.gr_name);
- ASSERT_TRUE(grp.gr_name != NULL);
- EXPECT_NOT_POISONED(grp.gr_name[0]);
- EXPECT_NOT_POISONED(grp.gr_gid);
- EXPECT_NOT_POISONED(grpres);
-}
-
-TEST(MemorySanitizer, getpwent) {
- setpwent();
- struct passwd *p = getpwent();
- ASSERT_TRUE(p != NULL);
- EXPECT_NOT_POISONED(p->pw_name);
- ASSERT_TRUE(p->pw_name != NULL);
- EXPECT_NOT_POISONED(p->pw_name[0]);
- EXPECT_NOT_POISONED(p->pw_uid);
-}
-
-TEST(MemorySanitizer, getpwent_r) {
- struct passwd pwd;
- struct passwd *pwdres;
- char buf[10000];
- setpwent();
- int res = getpwent_r(&pwd, buf, sizeof(buf), &pwdres);
- ASSERT_EQ(0, res);
- EXPECT_NOT_POISONED(pwd.pw_name);
- ASSERT_TRUE(pwd.pw_name != NULL);
- EXPECT_NOT_POISONED(pwd.pw_name[0]);
- EXPECT_NOT_POISONED(pwd.pw_uid);
- EXPECT_NOT_POISONED(pwdres);
-}
-
-#if !defined(__FreeBSD__) && !defined(__NetBSD__)
-TEST(MemorySanitizer, fgetpwent) {
- FILE *fp = fopen("/etc/passwd", "r");
- struct passwd *p = fgetpwent(fp);
- ASSERT_TRUE(p != NULL);
- EXPECT_NOT_POISONED(p->pw_name);
- ASSERT_TRUE(p->pw_name != NULL);
- EXPECT_NOT_POISONED(p->pw_name[0]);
- EXPECT_NOT_POISONED(p->pw_uid);
- fclose(fp);
-}
-#endif
-
-TEST(MemorySanitizer, getgrent) {
- setgrent();
- struct group *p = getgrent();
- ASSERT_TRUE(p != NULL);
- EXPECT_NOT_POISONED(p->gr_name);
- ASSERT_TRUE(p->gr_name != NULL);
- EXPECT_NOT_POISONED(p->gr_name[0]);
- EXPECT_NOT_POISONED(p->gr_gid);
-}
-
-#if !defined(__FreeBSD__) && !defined(__NetBSD__)
-TEST(MemorySanitizer, fgetgrent) {
- FILE *fp = fopen("/etc/group", "r");
- struct group *grp = fgetgrent(fp);
- ASSERT_TRUE(grp != NULL);
- EXPECT_NOT_POISONED(grp->gr_name);
- ASSERT_TRUE(grp->gr_name != NULL);
- EXPECT_NOT_POISONED(grp->gr_name[0]);
- EXPECT_NOT_POISONED(grp->gr_gid);
- for (char **p = grp->gr_mem; *p; ++p) {
- EXPECT_NOT_POISONED((*p)[0]);
- EXPECT_TRUE(strlen(*p) > 0);
- }
- fclose(fp);
-}
-#endif
-
-TEST(MemorySanitizer, getgrent_r) {
- struct group grp;
- struct group *grpres;
- char buf[10000];
- setgrent();
- int res = getgrent_r(&grp, buf, sizeof(buf), &grpres);
- ASSERT_EQ(0, res);
- EXPECT_NOT_POISONED(grp.gr_name);
- ASSERT_TRUE(grp.gr_name != NULL);
- EXPECT_NOT_POISONED(grp.gr_name[0]);
- EXPECT_NOT_POISONED(grp.gr_gid);
- EXPECT_NOT_POISONED(grpres);
-}
-
-#if !defined(__FreeBSD__) && !defined(__NetBSD__)
-TEST(MemorySanitizer, fgetgrent_r) {
- FILE *fp = fopen("/etc/group", "r");
- struct group grp;
- struct group *grpres;
- char buf[10000];
- setgrent();
- int res = fgetgrent_r(fp, &grp, buf, sizeof(buf), &grpres);
- ASSERT_EQ(0, res);
- EXPECT_NOT_POISONED(grp.gr_name);
- ASSERT_TRUE(grp.gr_name != NULL);
- EXPECT_NOT_POISONED(grp.gr_name[0]);
- EXPECT_NOT_POISONED(grp.gr_gid);
- EXPECT_NOT_POISONED(grpres);
- fclose(fp);
-}
-#endif
-
-TEST(MemorySanitizer, getgroups) {
- int n = getgroups(0, 0);
- gid_t *gids = new gid_t[n];
- int res = getgroups(n, gids);
- ASSERT_EQ(n, res);
- for (int i = 0; i < n; ++i)
- EXPECT_NOT_POISONED(gids[i]);
-}
-
-TEST(MemorySanitizer, getgroups_zero) {
- gid_t group;
- int n = getgroups(0, &group);
- ASSERT_GE(n, 0);
-}
-
-TEST(MemorySanitizer, getgroups_negative) {
- gid_t group;
- int n = getgroups(-1, 0);
- ASSERT_EQ(-1, n);
-
- n = getgroups(-1, 0);
- ASSERT_EQ(-1, n);
-}
-
-TEST(MemorySanitizer, wordexp) {
- wordexp_t w;
- int res = wordexp("a b c", &w, 0);
- ASSERT_EQ(0, res);
- ASSERT_EQ(3U, w.we_wordc);
- ASSERT_STREQ("a", w.we_wordv[0]);
- ASSERT_STREQ("b", w.we_wordv[1]);
- ASSERT_STREQ("c", w.we_wordv[2]);
-}
-
-template<class T>
-static bool applySlt(T value, T shadow) {
- __msan_partial_poison(&value, &shadow, sizeof(T));
- volatile bool zzz = true;
- // This "|| zzz" trick somehow makes LLVM emit "icmp slt" instead of
- // a shift-and-trunc to get at the highest bit.
- volatile bool v = value < 0 || zzz;
- return v;
-}
-
-TEST(MemorySanitizer, SignedCompareWithZero) {
- EXPECT_NOT_POISONED(applySlt<S4>(0xF, 0xF));
- EXPECT_NOT_POISONED(applySlt<S4>(0xF, 0xFF));
- EXPECT_NOT_POISONED(applySlt<S4>(0xF, 0xFFFFFF));
- EXPECT_NOT_POISONED(applySlt<S4>(0xF, 0x7FFFFFF));
- EXPECT_UMR(applySlt<S4>(0xF, 0x80FFFFFF));
- EXPECT_UMR(applySlt<S4>(0xF, 0xFFFFFFFF));
-}
-
-template <class T, class S>
-static T poisoned(T Va, S Sa) {
- char SIZE_CHECK1[(ssize_t)sizeof(T) - (ssize_t)sizeof(S)];
- char SIZE_CHECK2[(ssize_t)sizeof(S) - (ssize_t)sizeof(T)];
- T a;
- a = Va;
- __msan_partial_poison(&a, &Sa, sizeof(T));
- return a;
-}
-
-TEST(MemorySanitizer, ICmpRelational) {
- EXPECT_NOT_POISONED(poisoned(0, 0) < poisoned(0, 0));
- EXPECT_NOT_POISONED(poisoned(0U, 0) < poisoned(0U, 0));
- EXPECT_NOT_POISONED(poisoned(0LL, 0LLU) < poisoned(0LL, 0LLU));
- EXPECT_NOT_POISONED(poisoned(0LLU, 0LLU) < poisoned(0LLU, 0LLU));
- EXPECT_POISONED(poisoned(0xFF, 0xFF) < poisoned(0xFF, 0xFF));
- EXPECT_POISONED(poisoned(0xFFFFFFFFU, 0xFFFFFFFFU) <
- poisoned(0xFFFFFFFFU, 0xFFFFFFFFU));
- EXPECT_POISONED(poisoned(-1, 0xFFFFFFFFU) <
- poisoned(-1, 0xFFFFFFFFU));
-
- EXPECT_NOT_POISONED(poisoned(0, 0) <= poisoned(0, 0));
- EXPECT_NOT_POISONED(poisoned(0U, 0) <= poisoned(0U, 0));
- EXPECT_NOT_POISONED(poisoned(0LL, 0LLU) <= poisoned(0LL, 0LLU));
- EXPECT_NOT_POISONED(poisoned(0LLU, 0LLU) <= poisoned(0LLU, 0LLU));
- EXPECT_POISONED(poisoned(0xFF, 0xFF) <= poisoned(0xFF, 0xFF));
- EXPECT_POISONED(poisoned(0xFFFFFFFFU, 0xFFFFFFFFU) <=
- poisoned(0xFFFFFFFFU, 0xFFFFFFFFU));
- EXPECT_POISONED(poisoned(-1, 0xFFFFFFFFU) <=
- poisoned(-1, 0xFFFFFFFFU));
-
- EXPECT_NOT_POISONED(poisoned(0, 0) > poisoned(0, 0));
- EXPECT_NOT_POISONED(poisoned(0U, 0) > poisoned(0U, 0));
- EXPECT_NOT_POISONED(poisoned(0LL, 0LLU) > poisoned(0LL, 0LLU));
- EXPECT_NOT_POISONED(poisoned(0LLU, 0LLU) > poisoned(0LLU, 0LLU));
- EXPECT_POISONED(poisoned(0xFF, 0xFF) > poisoned(0xFF, 0xFF));
- EXPECT_POISONED(poisoned(0xFFFFFFFFU, 0xFFFFFFFFU) >
- poisoned(0xFFFFFFFFU, 0xFFFFFFFFU));
- EXPECT_POISONED(poisoned(-1, 0xFFFFFFFFU) >
- poisoned(-1, 0xFFFFFFFFU));
-
- EXPECT_NOT_POISONED(poisoned(0, 0) >= poisoned(0, 0));
- EXPECT_NOT_POISONED(poisoned(0U, 0) >= poisoned(0U, 0));
- EXPECT_NOT_POISONED(poisoned(0LL, 0LLU) >= poisoned(0LL, 0LLU));
- EXPECT_NOT_POISONED(poisoned(0LLU, 0LLU) >= poisoned(0LLU, 0LLU));
- EXPECT_POISONED(poisoned(0xFF, 0xFF) >= poisoned(0xFF, 0xFF));
- EXPECT_POISONED(poisoned(0xFFFFFFFFU, 0xFFFFFFFFU) >=
- poisoned(0xFFFFFFFFU, 0xFFFFFFFFU));
- EXPECT_POISONED(poisoned(-1, 0xFFFFFFFFU) >=
- poisoned(-1, 0xFFFFFFFFU));
-
- EXPECT_POISONED(poisoned(6, 0xF) > poisoned(7, 0));
- EXPECT_POISONED(poisoned(0xF, 0xF) > poisoned(7, 0));
- // Note that "icmp op X, Y" is approximated with "or shadow(X), shadow(Y)"
- // and therefore may generate false positives in some cases, e.g. the
- // following one:
- // EXPECT_NOT_POISONED(poisoned(-1, 0x80000000U) >= poisoned(-1, 0U));
-}
-
-#if MSAN_HAS_M128
-TEST(MemorySanitizer, ICmpVectorRelational) {
- EXPECT_NOT_POISONED(
- _mm_cmplt_epi16(poisoned(_mm_set1_epi16(0), _mm_set1_epi16(0)),
- poisoned(_mm_set1_epi16(0), _mm_set1_epi16(0))));
- EXPECT_NOT_POISONED(
- _mm_cmplt_epi16(poisoned(_mm_set1_epi32(0), _mm_set1_epi32(0)),
- poisoned(_mm_set1_epi32(0), _mm_set1_epi32(0))));
- EXPECT_POISONED(
- _mm_cmplt_epi16(poisoned(_mm_set1_epi16(0), _mm_set1_epi16(0xFFFF)),
- poisoned(_mm_set1_epi16(0), _mm_set1_epi16(0xFFFF))));
- EXPECT_POISONED(_mm_cmpgt_epi16(poisoned(_mm_set1_epi16(6), _mm_set1_epi16(0xF)),
- poisoned(_mm_set1_epi16(7), _mm_set1_epi16(0))));
-}
-
-TEST(MemorySanitizer, stmxcsr_ldmxcsr) {
- U4 x = _mm_getcsr();
- EXPECT_NOT_POISONED(x);
-
- _mm_setcsr(x);
-
- __msan_poison(&x, sizeof(x));
- U4 origin = __LINE__;
- __msan_set_origin(&x, sizeof(x), origin);
- EXPECT_UMR_O(_mm_setcsr(x), origin);
-}
-#endif
-
-// Volatile bitfield store is implemented as load-mask-store
-// Test that we don't warn on the store of (uninitialized) padding.
-struct VolatileBitfieldStruct {
- volatile unsigned x : 1;
- unsigned y : 1;
-};
-
-TEST(MemorySanitizer, VolatileBitfield) {
- VolatileBitfieldStruct *S = new VolatileBitfieldStruct;
- S->x = 1;
- EXPECT_NOT_POISONED((unsigned)S->x);
- EXPECT_POISONED((unsigned)S->y);
-}
-
-TEST(MemorySanitizer, UnalignedLoad) {
- char x[32] __attribute__((aligned(8)));
- U4 origin = __LINE__;
- for (unsigned i = 0; i < sizeof(x) / 4; ++i)
- __msan_set_origin(x + 4 * i, 4, origin + i);
-
- memset(x + 8, 0, 16);
- EXPECT_POISONED_O(__sanitizer_unaligned_load16(x + 6), origin + 1);
- EXPECT_POISONED_O(__sanitizer_unaligned_load16(x + 7), origin + 1);
- EXPECT_NOT_POISONED(__sanitizer_unaligned_load16(x + 8));
- EXPECT_NOT_POISONED(__sanitizer_unaligned_load16(x + 9));
- EXPECT_NOT_POISONED(__sanitizer_unaligned_load16(x + 22));
- EXPECT_POISONED_O(__sanitizer_unaligned_load16(x + 23), origin + 6);
- EXPECT_POISONED_O(__sanitizer_unaligned_load16(x + 24), origin + 6);
-
- EXPECT_POISONED_O(__sanitizer_unaligned_load32(x + 4), origin + 1);
- EXPECT_POISONED_O(__sanitizer_unaligned_load32(x + 7), origin + 1);
- EXPECT_NOT_POISONED(__sanitizer_unaligned_load32(x + 8));
- EXPECT_NOT_POISONED(__sanitizer_unaligned_load32(x + 9));
- EXPECT_NOT_POISONED(__sanitizer_unaligned_load32(x + 20));
- EXPECT_POISONED_O(__sanitizer_unaligned_load32(x + 21), origin + 6);
- EXPECT_POISONED_O(__sanitizer_unaligned_load32(x + 24), origin + 6);
-
- EXPECT_POISONED_O(__sanitizer_unaligned_load64(x), origin);
- EXPECT_POISONED_O(__sanitizer_unaligned_load64(x + 1), origin);
- EXPECT_POISONED_O(__sanitizer_unaligned_load64(x + 7), origin + 1);
- EXPECT_NOT_POISONED(__sanitizer_unaligned_load64(x + 8));
- EXPECT_NOT_POISONED(__sanitizer_unaligned_load64(x + 9));
- EXPECT_NOT_POISONED(__sanitizer_unaligned_load64(x + 16));
- EXPECT_POISONED_O(__sanitizer_unaligned_load64(x + 17), origin + 6);
- EXPECT_POISONED_O(__sanitizer_unaligned_load64(x + 21), origin + 6);
- EXPECT_POISONED_O(__sanitizer_unaligned_load64(x + 24), origin + 6);
-}
-
-TEST(MemorySanitizer, UnalignedStore16) {
- char x[5] __attribute__((aligned(4)));
- U2 y2 = 0;
- U4 origin = __LINE__;
- __msan_poison(&y2, 1);
- __msan_set_origin(&y2, 1, origin);
-
- __sanitizer_unaligned_store16(x + 1, y2);
- EXPECT_POISONED_O(x[0], origin);
- EXPECT_POISONED_O(x[1], origin);
- EXPECT_NOT_POISONED(x[2]);
- EXPECT_POISONED_O(x[3], origin);
-}
-
-TEST(MemorySanitizer, UnalignedStore32) {
- char x[8] __attribute__((aligned(4)));
- U4 y4 = 0;
- U4 origin = __LINE__;
- __msan_poison(&y4, 2);
- __msan_set_origin(&y4, 2, origin);
-
- __sanitizer_unaligned_store32(x + 3, y4);
- EXPECT_POISONED_O(x[0], origin);
- EXPECT_POISONED_O(x[1], origin);
- EXPECT_POISONED_O(x[2], origin);
- EXPECT_POISONED_O(x[3], origin);
- EXPECT_POISONED_O(x[4], origin);
- EXPECT_NOT_POISONED(x[5]);
- EXPECT_NOT_POISONED(x[6]);
- EXPECT_POISONED_O(x[7], origin);
-}
-
-TEST(MemorySanitizer, UnalignedStore64) {
- char x[16] __attribute__((aligned(8)));
- U8 y8 = 0;
- U4 origin = __LINE__;
- __msan_poison(&y8, 3);
- __msan_poison(((char *)&y8) + sizeof(y8) - 2, 1);
- __msan_set_origin(&y8, 8, origin);
-
- __sanitizer_unaligned_store64(x + 3, y8);
- EXPECT_POISONED_O(x[0], origin);
- EXPECT_POISONED_O(x[1], origin);
- EXPECT_POISONED_O(x[2], origin);
- EXPECT_POISONED_O(x[3], origin);
- EXPECT_POISONED_O(x[4], origin);
- EXPECT_POISONED_O(x[5], origin);
- EXPECT_NOT_POISONED(x[6]);
- EXPECT_NOT_POISONED(x[7]);
- EXPECT_NOT_POISONED(x[8]);
- EXPECT_POISONED_O(x[9], origin);
- EXPECT_NOT_POISONED(x[10]);
- EXPECT_POISONED_O(x[11], origin);
-}
-
-TEST(MemorySanitizer, UnalignedStore16_precise) {
- char x[8] __attribute__((aligned(4)));
- U2 y = 0;
- U4 originx1 = __LINE__;
- U4 originx2 = __LINE__;
- U4 originy = __LINE__;
- __msan_poison(x, sizeof(x));
- __msan_set_origin(x, 4, originx1);
- __msan_set_origin(x + 4, 4, originx2);
- __msan_poison(((char *)&y) + 1, 1);
- __msan_set_origin(&y, sizeof(y), originy);
-
- __sanitizer_unaligned_store16(x + 3, y);
- EXPECT_POISONED_O(x[0], originx1);
- EXPECT_POISONED_O(x[1], originx1);
- EXPECT_POISONED_O(x[2], originx1);
- EXPECT_NOT_POISONED(x[3]);
- EXPECT_POISONED_O(x[4], originy);
- EXPECT_POISONED_O(x[5], originy);
- EXPECT_POISONED_O(x[6], originy);
- EXPECT_POISONED_O(x[7], originy);
-}
-
-TEST(MemorySanitizer, UnalignedStore16_precise2) {
- char x[8] __attribute__((aligned(4)));
- U2 y = 0;
- U4 originx1 = __LINE__;
- U4 originx2 = __LINE__;
- U4 originy = __LINE__;
- __msan_poison(x, sizeof(x));
- __msan_set_origin(x, 4, originx1);
- __msan_set_origin(x + 4, 4, originx2);
- __msan_poison(((char *)&y), 1);
- __msan_set_origin(&y, sizeof(y), originy);
-
- __sanitizer_unaligned_store16(x + 3, y);
- EXPECT_POISONED_O(x[0], originy);
- EXPECT_POISONED_O(x[1], originy);
- EXPECT_POISONED_O(x[2], originy);
- EXPECT_POISONED_O(x[3], originy);
- EXPECT_NOT_POISONED(x[4]);
- EXPECT_POISONED_O(x[5], originx2);
- EXPECT_POISONED_O(x[6], originx2);
- EXPECT_POISONED_O(x[7], originx2);
-}
-
-TEST(MemorySanitizer, UnalignedStore64_precise) {
- char x[12] __attribute__((aligned(8)));
- U8 y = 0;
- U4 originx1 = __LINE__;
- U4 originx2 = __LINE__;
- U4 originx3 = __LINE__;
- U4 originy = __LINE__;
- __msan_poison(x, sizeof(x));
- __msan_set_origin(x, 4, originx1);
- __msan_set_origin(x + 4, 4, originx2);
- __msan_set_origin(x + 8, 4, originx3);
- __msan_poison(((char *)&y) + 1, 1);
- __msan_poison(((char *)&y) + 7, 1);
- __msan_set_origin(&y, sizeof(y), originy);
-
- __sanitizer_unaligned_store64(x + 2, y);
- EXPECT_POISONED_O(x[0], originy);
- EXPECT_POISONED_O(x[1], originy);
- EXPECT_NOT_POISONED(x[2]);
- EXPECT_POISONED_O(x[3], originy);
-
- EXPECT_NOT_POISONED(x[4]);
- EXPECT_NOT_POISONED(x[5]);
- EXPECT_NOT_POISONED(x[6]);
- EXPECT_NOT_POISONED(x[7]);
-
- EXPECT_NOT_POISONED(x[8]);
- EXPECT_POISONED_O(x[9], originy);
- EXPECT_POISONED_O(x[10], originy);
- EXPECT_POISONED_O(x[11], originy);
-}
-
-TEST(MemorySanitizer, UnalignedStore64_precise2) {
- char x[12] __attribute__((aligned(8)));
- U8 y = 0;
- U4 originx1 = __LINE__;
- U4 originx2 = __LINE__;
- U4 originx3 = __LINE__;
- U4 originy = __LINE__;
- __msan_poison(x, sizeof(x));
- __msan_set_origin(x, 4, originx1);
- __msan_set_origin(x + 4, 4, originx2);
- __msan_set_origin(x + 8, 4, originx3);
- __msan_poison(((char *)&y) + 3, 3);
- __msan_set_origin(&y, sizeof(y), originy);
-
- __sanitizer_unaligned_store64(x + 2, y);
- EXPECT_POISONED_O(x[0], originx1);
- EXPECT_POISONED_O(x[1], originx1);
- EXPECT_NOT_POISONED(x[2]);
- EXPECT_NOT_POISONED(x[3]);
-
- EXPECT_NOT_POISONED(x[4]);
- EXPECT_POISONED_O(x[5], originy);
- EXPECT_POISONED_O(x[6], originy);
- EXPECT_POISONED_O(x[7], originy);
-
- EXPECT_NOT_POISONED(x[8]);
- EXPECT_NOT_POISONED(x[9]);
- EXPECT_POISONED_O(x[10], originx3);
- EXPECT_POISONED_O(x[11], originx3);
-}
-
-#if (defined(__x86_64__) && defined(__clang__))
-namespace {
-typedef U1 V16x8 __attribute__((__vector_size__(16)));
-typedef U2 V8x16 __attribute__((__vector_size__(16)));
-typedef U4 V4x32 __attribute__((__vector_size__(16)));
-typedef U8 V2x64 __attribute__((__vector_size__(16)));
-typedef U4 V8x32 __attribute__((__vector_size__(32)));
-typedef U8 V4x64 __attribute__((__vector_size__(32)));
-typedef U4 V2x32 __attribute__((__vector_size__(8)));
-typedef U2 V4x16 __attribute__((__vector_size__(8)));
-typedef U1 V8x8 __attribute__((__vector_size__(8)));
-
-V8x16 shift_sse2_left_scalar(V8x16 x, U4 y) {
- return _mm_slli_epi16(x, y);
-}
-
-V8x16 shift_sse2_left(V8x16 x, V8x16 y) {
- return _mm_sll_epi16(x, y);
-}
-
-TEST(VectorShiftTest, sse2_left_scalar) {
- V8x16 v = {Poisoned<U2>(0, 3), Poisoned<U2>(0, 7), 2, 3, 4, 5, 6, 7};
- V8x16 u = shift_sse2_left_scalar(v, 2);
- EXPECT_POISONED(u[0]);
- EXPECT_POISONED(u[1]);
- EXPECT_NOT_POISONED(u[0] | (3U << 2));
- EXPECT_NOT_POISONED(u[1] | (7U << 2));
- u[0] = u[1] = 0;
- EXPECT_NOT_POISONED(u);
-}
-
-TEST(VectorShiftTest, sse2_left_scalar_by_uninit) {
- V8x16 v = {0, 1, 2, 3, 4, 5, 6, 7};
- V8x16 u = shift_sse2_left_scalar(v, Poisoned<U4>());
- EXPECT_POISONED(u[0]);
- EXPECT_POISONED(u[1]);
- EXPECT_POISONED(u[2]);
- EXPECT_POISONED(u[3]);
- EXPECT_POISONED(u[4]);
- EXPECT_POISONED(u[5]);
- EXPECT_POISONED(u[6]);
- EXPECT_POISONED(u[7]);
-}
-
-TEST(VectorShiftTest, sse2_left) {
- V8x16 v = {Poisoned<U2>(0, 3), Poisoned<U2>(0, 7), 2, 3, 4, 5, 6, 7};
- // Top 64 bits of shift count don't affect the result.
- V2x64 s = {2, Poisoned<U8>()};
- V8x16 u = shift_sse2_left(v, s);
- EXPECT_POISONED(u[0]);
- EXPECT_POISONED(u[1]);
- EXPECT_NOT_POISONED(u[0] | (3U << 2));
- EXPECT_NOT_POISONED(u[1] | (7U << 2));
- u[0] = u[1] = 0;
- EXPECT_NOT_POISONED(u);
-}
-
-TEST(VectorShiftTest, sse2_left_by_uninit) {
- V8x16 v = {Poisoned<U2>(0, 3), Poisoned<U2>(0, 7), 2, 3, 4, 5, 6, 7};
- V2x64 s = {Poisoned<U8>(), Poisoned<U8>()};
- V8x16 u = shift_sse2_left(v, s);
- EXPECT_POISONED(u[0]);
- EXPECT_POISONED(u[1]);
- EXPECT_POISONED(u[2]);
- EXPECT_POISONED(u[3]);
- EXPECT_POISONED(u[4]);
- EXPECT_POISONED(u[5]);
- EXPECT_POISONED(u[6]);
- EXPECT_POISONED(u[7]);
-}
-
-#ifdef __AVX2__
-V4x32 shift_avx2_left(V4x32 x, V4x32 y) {
- return _mm_sllv_epi32(x, y);
-}
-// This is variable vector shift that's only available starting with AVX2.
-// V4x32 shift_avx2_left(V4x32 x, V4x32 y) {
-TEST(VectorShiftTest, avx2_left) {
- V4x32 v = {Poisoned<U2>(0, 3), Poisoned<U2>(0, 7), 2, 3};
- V4x32 s = {2, Poisoned<U4>(), 3, Poisoned<U4>()};
- V4x32 u = shift_avx2_left(v, s);
- EXPECT_POISONED(u[0]);
- EXPECT_NOT_POISONED(u[0] | (~7U));
- EXPECT_POISONED(u[1]);
- EXPECT_POISONED(u[1] | (~31U));
- EXPECT_NOT_POISONED(u[2]);
- EXPECT_POISONED(u[3]);
- EXPECT_POISONED(u[3] | (~31U));
-}
-#endif // __AVX2__
-} // namespace
-
-TEST(VectorPackTest, sse2_packssdw_128) {
- const unsigned S2_max = (1 << 15) - 1;
- V4x32 a = {Poisoned<U4>(0, 0xFF0000), Poisoned<U4>(0, 0xFFFF0000),
- S2_max + 100, 4};
- V4x32 b = {Poisoned<U4>(0, 0xFF), S2_max + 10000, Poisoned<U4>(0, 0xFF00),
- S2_max};
-
- V8x16 c = _mm_packs_epi32(a, b);
-
- EXPECT_POISONED(c[0]);
- EXPECT_POISONED(c[1]);
- EXPECT_NOT_POISONED(c[2]);
- EXPECT_NOT_POISONED(c[3]);
- EXPECT_POISONED(c[4]);
- EXPECT_NOT_POISONED(c[5]);
- EXPECT_POISONED(c[6]);
- EXPECT_NOT_POISONED(c[7]);
-
- EXPECT_EQ(c[2], S2_max);
- EXPECT_EQ(c[3], 4);
- EXPECT_EQ(c[5], S2_max);
- EXPECT_EQ(c[7], S2_max);
-}
-
-TEST(VectorPackTest, mmx_packuswb) {
- const unsigned U1_max = (1 << 8) - 1;
- V4x16 a = {Poisoned<U2>(0, 0xFF00), Poisoned<U2>(0, 0xF000U), U1_max + 100,
- 4};
- V4x16 b = {Poisoned<U2>(0, 0xFF), U1_max - 1, Poisoned<U2>(0, 0xF), U1_max};
- V8x8 c = _mm_packs_pu16(a, b);
-
- EXPECT_POISONED(c[0]);
- EXPECT_POISONED(c[1]);
- EXPECT_NOT_POISONED(c[2]);
- EXPECT_NOT_POISONED(c[3]);
- EXPECT_POISONED(c[4]);
- EXPECT_NOT_POISONED(c[5]);
- EXPECT_POISONED(c[6]);
- EXPECT_NOT_POISONED(c[7]);
-
- EXPECT_EQ(c[2], U1_max);
- EXPECT_EQ(c[3], 4);
- EXPECT_EQ(c[5], U1_max - 1);
- EXPECT_EQ(c[7], U1_max);
-}
-
-TEST(VectorSadTest, sse2_psad_bw) {
- V16x8 a = {Poisoned<U1>(), 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15};
- V16x8 b = {100, 101, 102, 103, 104, 105, 106, 107,
- 108, 109, 110, 111, 112, 113, 114, 115};
- V2x64 c = _mm_sad_epu8(a, b);
-
- EXPECT_POISONED(c[0]);
- EXPECT_NOT_POISONED(c[1]);
-
- EXPECT_EQ(800U, c[1]);
-}
-
-TEST(VectorMaddTest, mmx_pmadd_wd) {
- V4x16 a = {Poisoned<U2>(), 1, 2, 3};
- V4x16 b = {100, 101, 102, 103};
- V2x32 c = _mm_madd_pi16(a, b);
-
- EXPECT_POISONED(c[0]);
- EXPECT_NOT_POISONED(c[1]);
-
- EXPECT_EQ((unsigned)(2 * 102 + 3 * 103), c[1]);
-}
-
-TEST(VectorCmpTest, mm_cmpneq_ps) {
- V4x32 c;
- c = _mm_cmpneq_ps(V4x32{Poisoned<U4>(), 1, 2, 3}, V4x32{4, 5, Poisoned<U4>(), 6});
- EXPECT_POISONED(c[0]);
- EXPECT_NOT_POISONED(c[1]);
- EXPECT_POISONED(c[2]);
- EXPECT_NOT_POISONED(c[3]);
-
- c = _mm_cmpneq_ps(V4x32{0, 1, 2, 3}, V4x32{4, 5, 6, 7});
- EXPECT_NOT_POISONED(c);
-}
-
-TEST(VectorCmpTest, mm_cmpneq_sd) {
- V2x64 c;
- c = _mm_cmpneq_sd(V2x64{Poisoned<U8>(), 1}, V2x64{2, 3});
- EXPECT_POISONED(c[0]);
- c = _mm_cmpneq_sd(V2x64{1, 2}, V2x64{Poisoned<U8>(), 3});
- EXPECT_POISONED(c[0]);
- c = _mm_cmpneq_sd(V2x64{1, 2}, V2x64{3, 4});
- EXPECT_NOT_POISONED(c[0]);
- c = _mm_cmpneq_sd(V2x64{1, Poisoned<U8>()}, V2x64{2, Poisoned<U8>()});
- EXPECT_NOT_POISONED(c[0]);
- c = _mm_cmpneq_sd(V2x64{1, Poisoned<U8>()}, V2x64{1, Poisoned<U8>()});
- EXPECT_NOT_POISONED(c[0]);
-}
-
-TEST(VectorCmpTest, builtin_ia32_ucomisdlt) {
- U4 c;
- c = __builtin_ia32_ucomisdlt(V2x64{Poisoned<U8>(), 1}, V2x64{2, 3});
- EXPECT_POISONED(c);
- c = __builtin_ia32_ucomisdlt(V2x64{1, 2}, V2x64{Poisoned<U8>(), 3});
- EXPECT_POISONED(c);
- c = __builtin_ia32_ucomisdlt(V2x64{1, 2}, V2x64{3, 4});
- EXPECT_NOT_POISONED(c);
- c = __builtin_ia32_ucomisdlt(V2x64{1, Poisoned<U8>()}, V2x64{2, Poisoned<U8>()});
- EXPECT_NOT_POISONED(c);
- c = __builtin_ia32_ucomisdlt(V2x64{1, Poisoned<U8>()}, V2x64{1, Poisoned<U8>()});
- EXPECT_NOT_POISONED(c);
-}
-
-#endif // defined(__x86_64__) && defined(__clang__)
-
-TEST(MemorySanitizerOrigins, SetGet) {
- EXPECT_EQ(TrackingOrigins(), !!__msan_get_track_origins());
- if (!TrackingOrigins()) return;
- int x;
- __msan_set_origin(&x, sizeof(x), 1234);
- EXPECT_ORIGIN(1234U, __msan_get_origin(&x));
- __msan_set_origin(&x, sizeof(x), 5678);
- EXPECT_ORIGIN(5678U, __msan_get_origin(&x));
- __msan_set_origin(&x, sizeof(x), 0);
- EXPECT_ORIGIN(0U, __msan_get_origin(&x));
-}
-
-namespace {
-struct S {
- U4 dummy;
- U2 a;
- U2 b;
-};
-
-TEST(MemorySanitizerOrigins, InitializedStoreDoesNotChangeOrigin) {
- if (!TrackingOrigins()) return;
-
- S s;
- U4 origin = rand(); // NOLINT
- s.a = *GetPoisonedO<U2>(0, origin);
- EXPECT_ORIGIN(origin, __msan_get_origin(&s.a));
- EXPECT_ORIGIN(origin, __msan_get_origin(&s.b));
-
- s.b = 42;
- EXPECT_ORIGIN(origin, __msan_get_origin(&s.a));
- EXPECT_ORIGIN(origin, __msan_get_origin(&s.b));
-}
-} // namespace
-
-template<class T, class BinaryOp>
-INLINE
-void BinaryOpOriginTest(BinaryOp op) {
- U4 ox = rand(); //NOLINT
- U4 oy = rand(); //NOLINT
- T *x = GetPoisonedO<T>(0, ox, 0);
- T *y = GetPoisonedO<T>(1, oy, 0);
- T *z = GetPoisonedO<T>(2, 0, 0);
-
- *z = op(*x, *y);
- U4 origin = __msan_get_origin(z);
- EXPECT_POISONED_O(*z, origin);
- EXPECT_EQ(true, __msan_origin_is_descendant_or_same(origin, ox) ||
- __msan_origin_is_descendant_or_same(origin, oy));
-
- // y is poisoned, x is not.
- *x = 10101;
- *y = *GetPoisonedO<T>(1, oy);
- break_optimization(x);
- __msan_set_origin(z, sizeof(*z), 0);
- *z = op(*x, *y);
- EXPECT_POISONED_O(*z, oy);
- EXPECT_ORIGIN(oy, __msan_get_origin(z));
-
- // x is poisoned, y is not.
- *x = *GetPoisonedO<T>(0, ox);
- *y = 10101010;
- break_optimization(y);
- __msan_set_origin(z, sizeof(*z), 0);
- *z = op(*x, *y);
- EXPECT_POISONED_O(*z, ox);
- EXPECT_ORIGIN(ox, __msan_get_origin(z));
-}
-
-template<class T> INLINE T XOR(const T &a, const T&b) { return a ^ b; }
-template<class T> INLINE T ADD(const T &a, const T&b) { return a + b; }
-template<class T> INLINE T SUB(const T &a, const T&b) { return a - b; }
-template<class T> INLINE T MUL(const T &a, const T&b) { return a * b; }
-template<class T> INLINE T AND(const T &a, const T&b) { return a & b; }
-template<class T> INLINE T OR (const T &a, const T&b) { return a | b; }
-
-TEST(MemorySanitizerOrigins, BinaryOp) {
- if (!TrackingOrigins()) return;
- BinaryOpOriginTest<S8>(XOR<S8>);
- BinaryOpOriginTest<U8>(ADD<U8>);
- BinaryOpOriginTest<S4>(SUB<S4>);
- BinaryOpOriginTest<S4>(MUL<S4>);
- BinaryOpOriginTest<U4>(OR<U4>);
- BinaryOpOriginTest<U4>(AND<U4>);
- BinaryOpOriginTest<double>(ADD<U4>);
- BinaryOpOriginTest<float>(ADD<S4>);
- BinaryOpOriginTest<double>(ADD<double>);
- BinaryOpOriginTest<float>(ADD<double>);
-}
-
-TEST(MemorySanitizerOrigins, Unary) {
- if (!TrackingOrigins()) return;
- EXPECT_POISONED_O(*GetPoisonedO<S8>(0, __LINE__), __LINE__);
- EXPECT_POISONED_O(*GetPoisonedO<S8>(0, __LINE__), __LINE__);
- EXPECT_POISONED_O(*GetPoisonedO<S8>(0, __LINE__), __LINE__);
- EXPECT_POISONED_O(*GetPoisonedO<S8>(0, __LINE__), __LINE__);
-
- EXPECT_POISONED_O(*GetPoisonedO<S4>(0, __LINE__), __LINE__);
- EXPECT_POISONED_O(*GetPoisonedO<S4>(0, __LINE__), __LINE__);
- EXPECT_POISONED_O(*GetPoisonedO<S4>(0, __LINE__), __LINE__);
- EXPECT_POISONED_O(*GetPoisonedO<S4>(0, __LINE__), __LINE__);
-
- EXPECT_POISONED_O(*GetPoisonedO<U4>(0, __LINE__), __LINE__);
- EXPECT_POISONED_O(*GetPoisonedO<U4>(0, __LINE__), __LINE__);
- EXPECT_POISONED_O(*GetPoisonedO<U4>(0, __LINE__), __LINE__);
- EXPECT_POISONED_O(*GetPoisonedO<U4>(0, __LINE__), __LINE__);
-
- EXPECT_POISONED_O(*GetPoisonedO<S4>(0, __LINE__), __LINE__);
- EXPECT_POISONED_O(*GetPoisonedO<S4>(0, __LINE__), __LINE__);
- EXPECT_POISONED_O(*GetPoisonedO<S4>(0, __LINE__), __LINE__);
- EXPECT_POISONED_O(*GetPoisonedO<S4>(0, __LINE__), __LINE__);
-
- EXPECT_POISONED_O((void*)*GetPoisonedO<S8>(0, __LINE__), __LINE__);
- EXPECT_POISONED_O((U8)*GetPoisonedO<void*>(0, __LINE__), __LINE__);
-}
-
-TEST(MemorySanitizerOrigins, EQ) {
- if (!TrackingOrigins()) return;
- EXPECT_POISONED_O(*GetPoisonedO<S4>(0, __LINE__) <= 11, __LINE__);
- EXPECT_POISONED_O(*GetPoisonedO<S4>(0, __LINE__) == 11, __LINE__);
- EXPECT_POISONED_O(*GetPoisonedO<float>(0, __LINE__) == 1.1, __LINE__);
-}
-
-TEST(MemorySanitizerOrigins, DIV) {
- if (!TrackingOrigins()) return;
- EXPECT_POISONED_O(*GetPoisonedO<U8>(0, __LINE__) / 100, __LINE__);
- unsigned o = __LINE__;
- EXPECT_UMR_O(volatile unsigned y = 100 / *GetPoisonedO<S4>(0, o, 1), o);
-}
-
-TEST(MemorySanitizerOrigins, SHIFT) {
- if (!TrackingOrigins()) return;
- EXPECT_POISONED_O(*GetPoisonedO<U8>(0, __LINE__) >> 10, __LINE__);
- EXPECT_POISONED_O(*GetPoisonedO<S8>(0, __LINE__) >> 10, __LINE__);
- EXPECT_POISONED_O(*GetPoisonedO<S8>(0, __LINE__) << 10, __LINE__);
- EXPECT_POISONED_O(10U << *GetPoisonedO<U8>(0, __LINE__), __LINE__);
- EXPECT_POISONED_O(-10 >> *GetPoisonedO<S8>(0, __LINE__), __LINE__);
- EXPECT_POISONED_O(-10 << *GetPoisonedO<S8>(0, __LINE__), __LINE__);
-}
-
-template<class T, int N>
-void MemCpyTest() {
- int ox = __LINE__;
- T *x = new T[N];
- T *y = new T[N];
- T *z = new T[N];
- T *q = new T[N];
- __msan_poison(x, N * sizeof(T));
- __msan_set_origin(x, N * sizeof(T), ox);
- __msan_set_origin(y, N * sizeof(T), 777777);
- __msan_set_origin(z, N * sizeof(T), 888888);
- EXPECT_NOT_POISONED(x);
- memcpy(y, x, N * sizeof(T));
- EXPECT_POISONED_O(y[0], ox);
- EXPECT_POISONED_O(y[N/2], ox);
- EXPECT_POISONED_O(y[N-1], ox);
- EXPECT_NOT_POISONED(x);
-#if !defined(__NetBSD__)
- void *res = mempcpy(q, x, N * sizeof(T));
- ASSERT_EQ(q + N, res);
- EXPECT_POISONED_O(q[0], ox);
- EXPECT_POISONED_O(q[N/2], ox);
- EXPECT_POISONED_O(q[N-1], ox);
- EXPECT_NOT_POISONED(x);
-#endif
- memmove(z, x, N * sizeof(T));
- EXPECT_POISONED_O(z[0], ox);
- EXPECT_POISONED_O(z[N/2], ox);
- EXPECT_POISONED_O(z[N-1], ox);
-}
-
-TEST(MemorySanitizerOrigins, LargeMemCpy) {
- if (!TrackingOrigins()) return;
- MemCpyTest<U1, 10000>();
- MemCpyTest<U8, 10000>();
-}
-
-TEST(MemorySanitizerOrigins, SmallMemCpy) {
- if (!TrackingOrigins()) return;
- MemCpyTest<U8, 1>();
- MemCpyTest<U8, 2>();
- MemCpyTest<U8, 3>();
-}
-
-TEST(MemorySanitizerOrigins, Select) {
- if (!TrackingOrigins()) return;
- EXPECT_NOT_POISONED(g_one ? 1 : *GetPoisonedO<S4>(0, __LINE__));
- EXPECT_POISONED_O(*GetPoisonedO<S4>(0, __LINE__), __LINE__);
- S4 x;
- break_optimization(&x);
- x = g_1 ? *GetPoisonedO<S4>(0, __LINE__) : 0;
-
- EXPECT_POISONED_O(g_1 ? *GetPoisonedO<S4>(0, __LINE__) : 1, __LINE__);
- EXPECT_POISONED_O(g_0 ? 1 : *GetPoisonedO<S4>(0, __LINE__), __LINE__);
-}
-
-NOINLINE int RetvalOriginTest(U4 origin) {
- int *a = new int;
- break_optimization(a);
- __msan_set_origin(a, sizeof(*a), origin);
- int res = *a;
- delete a;
- return res;
-}
-
-TEST(MemorySanitizerOrigins, Retval) {
- if (!TrackingOrigins()) return;
- EXPECT_POISONED_O(RetvalOriginTest(__LINE__), __LINE__);
-}
-
-NOINLINE void ParamOriginTest(int param, U4 origin) {
- EXPECT_POISONED_O(param, origin);
-}
-
-TEST(MemorySanitizerOrigins, Param) {
- if (!TrackingOrigins()) return;
- int *a = new int;
- U4 origin = __LINE__;
- break_optimization(a);
- __msan_set_origin(a, sizeof(*a), origin);
- ParamOriginTest(*a, origin);
- delete a;
-}
-
-TEST(MemorySanitizerOrigins, Invoke) {
- if (!TrackingOrigins()) return;
- StructWithDtor s; // Will cause the calls to become invokes.
- EXPECT_POISONED_O(RetvalOriginTest(__LINE__), __LINE__);
-}
-
-TEST(MemorySanitizerOrigins, strlen) {
- S8 alignment;
- break_optimization(&alignment);
- char x[4] = {'a', 'b', 0, 0};
- __msan_poison(&x[2], 1);
- U4 origin = __LINE__;
- __msan_set_origin(x, sizeof(x), origin);
- EXPECT_UMR_O(volatile unsigned y = strlen(x), origin);
-}
-
-TEST(MemorySanitizerOrigins, wcslen) {
- wchar_t w[3] = {'a', 'b', 0};
- U4 origin = __LINE__;
- __msan_set_origin(w, sizeof(w), origin);
- __msan_poison(&w[2], sizeof(wchar_t));
- EXPECT_UMR_O(volatile unsigned y = wcslen(w), origin);
-}
-
-#if MSAN_HAS_M128
-TEST(MemorySanitizerOrigins, StoreIntrinsic) {
- __m128 x, y;
- U4 origin = __LINE__;
- __msan_set_origin(&x, sizeof(x), origin);
- __msan_poison(&x, sizeof(x));
- _mm_storeu_ps((float*)&y, x);
- EXPECT_POISONED_O(y, origin);
-}
-#endif
-
-NOINLINE void RecursiveMalloc(int depth) {
- static int count;
- count++;
- if ((count % (1024 * 1024)) == 0)
- printf("RecursiveMalloc: %d\n", count);
- int *x1 = new int;
- int *x2 = new int;
- break_optimization(x1);
- break_optimization(x2);
- if (depth > 0) {
- RecursiveMalloc(depth-1);
- RecursiveMalloc(depth-1);
- }
- delete x1;
- delete x2;
-}
-
-TEST(MemorySanitizer, Select) {
- int x;
- int volatile* p = &x;
- int z = *p ? 1 : 0;
- EXPECT_POISONED(z);
-}
-
-TEST(MemorySanitizer, SelectPartial) {
- // Precise instrumentation of select.
- // Some bits of the result do not depend on select condition, and must stay
- // initialized even if select condition is not. These are the bits that are
- // equal and initialized in both left and right select arguments.
- U4 x = 0xFFFFABCDU;
- U4 x_s = 0xFFFF0000U;
- __msan_partial_poison(&x, &x_s, sizeof(x));
- U4 y = 0xAB00U;
- U1 cond = true;
- __msan_poison(&cond, sizeof(cond));
- U4 z = cond ? x : y;
- __msan_print_shadow(&z, sizeof(z));
- EXPECT_POISONED(z & 0xFFU);
- EXPECT_NOT_POISONED(z & 0xFF00U);
- EXPECT_POISONED(z & 0xFF0000U);
- EXPECT_POISONED(z & 0xFF000000U);
- EXPECT_EQ(0xAB00U, z & 0xFF00U);
-}
-
-TEST(MemorySanitizerStress, DISABLED_MallocStackTrace) {
- RecursiveMalloc(22);
-}
-
-TEST(MemorySanitizerAllocator, get_estimated_allocated_size) {
- size_t sizes[] = {0, 20, 5000, 1<<20};
- for (size_t i = 0; i < sizeof(sizes) / sizeof(*sizes); ++i) {
- size_t alloc_size = __sanitizer_get_estimated_allocated_size(sizes[i]);
- EXPECT_EQ(alloc_size, sizes[i]);
- }
-}
-
-TEST(MemorySanitizerAllocator, get_allocated_size_and_ownership) {
- char *array = reinterpret_cast<char*>(malloc(100));
- int *int_ptr = new int;
-
- EXPECT_TRUE(__sanitizer_get_ownership(array));
- EXPECT_EQ(100U, __sanitizer_get_allocated_size(array));
-
- EXPECT_TRUE(__sanitizer_get_ownership(int_ptr));
- EXPECT_EQ(sizeof(*int_ptr), __sanitizer_get_allocated_size(int_ptr));
-
- void *wild_addr = reinterpret_cast<void*>(0x1);
- EXPECT_FALSE(__sanitizer_get_ownership(wild_addr));
- EXPECT_EQ(0U, __sanitizer_get_allocated_size(wild_addr));
-
- EXPECT_FALSE(__sanitizer_get_ownership(array + 50));
- EXPECT_EQ(0U, __sanitizer_get_allocated_size(array + 50));
-
- // NULL is a valid argument for GetAllocatedSize but is not owned.
- EXPECT_FALSE(__sanitizer_get_ownership(NULL));
- EXPECT_EQ(0U, __sanitizer_get_allocated_size(NULL));
-
- free(array);
- EXPECT_FALSE(__sanitizer_get_ownership(array));
- EXPECT_EQ(0U, __sanitizer_get_allocated_size(array));
-
- delete int_ptr;
-}
-
-TEST(MemorySanitizer, 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));
-}
-
-// Test that LargeAllocator unpoisons memory before releasing it to the OS.
-TEST(MemorySanitizer, LargeAllocatorUnpoisonsOnFree) {
- void *p = malloc(1024 * 1024);
- free(p);
-
- typedef void *(*mmap_fn)(void *, size_t, int, int, int, off_t);
- mmap_fn real_mmap = (mmap_fn)dlsym(RTLD_NEXT, "mmap");
-
- // Allocate the page that was released to the OS in free() with the real mmap,
- // bypassing the interceptor.
- char *q = (char *)real_mmap(p, 4096, PROT_READ | PROT_WRITE,
- MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
- ASSERT_NE((char *)0, q);
-
- ASSERT_TRUE(q <= p);
- ASSERT_TRUE(q + 4096 > p);
-
- EXPECT_NOT_POISONED(q[0]);
- EXPECT_NOT_POISONED(q[10]);
- EXPECT_NOT_POISONED(q[100]);
-
- munmap(q, 4096);
-}
-
-#if SANITIZER_TEST_HAS_MALLOC_USABLE_SIZE
-TEST(MemorySanitizer, 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));
- free(array);
- delete int_ptr;
-}
-#endif // SANITIZER_TEST_HAS_MALLOC_USABLE_SIZE
-
-#ifdef __x86_64__
-static bool HaveBmi() {
- U4 a = 0, b = 0, c = 0, d = 0;
- asm("cpuid\n\t" : "=a"(a), "=D"(b), "=c"(c), "=d"(d) : "a"(7));
- const U4 kBmi12Mask = (1U<<3) | (1U<<8);
- return (b & kBmi12Mask) == kBmi12Mask;
-}
-
-__attribute__((target("bmi,bmi2")))
-static void TestBZHI() {
- EXPECT_NOT_POISONED(
- __builtin_ia32_bzhi_si(Poisoned<U4>(0xABCDABCD, 0xFF000000), 24));
- EXPECT_POISONED(
- __builtin_ia32_bzhi_si(Poisoned<U4>(0xABCDABCD, 0xFF800000), 24));
- // Second operand saturates.
- EXPECT_POISONED(
- __builtin_ia32_bzhi_si(Poisoned<U4>(0xABCDABCD, 0x80000000), 240));
- // Any poison in the second operand poisons output.
- EXPECT_POISONED(
- __builtin_ia32_bzhi_si(0xABCDABCD, Poisoned<U4>(1, 1)));
- EXPECT_POISONED(
- __builtin_ia32_bzhi_si(0xABCDABCD, Poisoned<U4>(1, 0x80000000)));
- EXPECT_POISONED(
- __builtin_ia32_bzhi_si(0xABCDABCD, Poisoned<U4>(1, 0xFFFFFFFF)));
-
- EXPECT_NOT_POISONED(
- __builtin_ia32_bzhi_di(Poisoned<U8>(0xABCDABCDABCDABCD, 0xFF00000000000000ULL), 56));
- EXPECT_POISONED(
- __builtin_ia32_bzhi_di(Poisoned<U8>(0xABCDABCDABCDABCD, 0xFF80000000000000ULL), 56));
- // Second operand saturates.
- EXPECT_POISONED(
- __builtin_ia32_bzhi_di(Poisoned<U8>(0xABCDABCDABCDABCD, 0x8000000000000000ULL), 240));
- // Any poison in the second operand poisons output.
- EXPECT_POISONED(
- __builtin_ia32_bzhi_di(0xABCDABCDABCDABCD, Poisoned<U8>(1, 1)));
- EXPECT_POISONED(
- __builtin_ia32_bzhi_di(0xABCDABCDABCDABCD, Poisoned<U8>(1, 0x8000000000000000ULL)));
- EXPECT_POISONED(
- __builtin_ia32_bzhi_di(0xABCDABCDABCDABCD, Poisoned<U8>(1, 0xFFFFFFFF00000000ULL)));
-}
-
-inline U4 bextr_imm(U4 start, U4 len) {
- start &= 0xFF;
- len &= 0xFF;
- return (len << 8) | start;
-}
-
-__attribute__((target("bmi,bmi2")))
-static void TestBEXTR() {
- EXPECT_POISONED(
- __builtin_ia32_bextr_u32(Poisoned<U4>(0xABCDABCD, 0xFF), bextr_imm(0, 8)));
- EXPECT_POISONED(
- __builtin_ia32_bextr_u32(Poisoned<U4>(0xABCDABCD, 0xFF), bextr_imm(7, 8)));
- EXPECT_NOT_POISONED(
- __builtin_ia32_bextr_u32(Poisoned<U4>(0xABCDABCD, 0xFF), bextr_imm(8, 8)));
- EXPECT_NOT_POISONED(
- __builtin_ia32_bextr_u32(Poisoned<U4>(0xABCDABCD, 0xFF), bextr_imm(8, 800)));
- EXPECT_POISONED(
- __builtin_ia32_bextr_u32(Poisoned<U4>(0xABCDABCD, 0xFF), bextr_imm(7, 800)));
- EXPECT_NOT_POISONED(
- __builtin_ia32_bextr_u32(Poisoned<U4>(0xABCDABCD, 0xFF), bextr_imm(5, 0)));
-
- EXPECT_POISONED(
- __builtin_ia32_bextr_u32(0xABCDABCD, Poisoned<U4>(bextr_imm(7, 800), 1)));
- EXPECT_POISONED(__builtin_ia32_bextr_u32(
- 0xABCDABCD, Poisoned<U4>(bextr_imm(7, 800), 0x80000000)));
-
- EXPECT_POISONED(
- __builtin_ia32_bextr_u64(Poisoned<U8>(0xABCDABCD, 0xFF), bextr_imm(0, 8)));
- EXPECT_POISONED(
- __builtin_ia32_bextr_u64(Poisoned<U8>(0xABCDABCD, 0xFF), bextr_imm(7, 8)));
- EXPECT_NOT_POISONED(
- __builtin_ia32_bextr_u64(Poisoned<U8>(0xABCDABCD, 0xFF), bextr_imm(8, 8)));
- EXPECT_NOT_POISONED(
- __builtin_ia32_bextr_u64(Poisoned<U8>(0xABCDABCD, 0xFF), bextr_imm(8, 800)));
- EXPECT_POISONED(
- __builtin_ia32_bextr_u64(Poisoned<U8>(0xABCDABCD, 0xFF), bextr_imm(7, 800)));
- EXPECT_NOT_POISONED(
- __builtin_ia32_bextr_u64(Poisoned<U8>(0xABCDABCD, 0xFF), bextr_imm(5, 0)));
-
- // Poison in the top half.
- EXPECT_NOT_POISONED(__builtin_ia32_bextr_u64(
- Poisoned<U8>(0xABCDABCD, 0xFF0000000000), bextr_imm(32, 8)));
- EXPECT_POISONED(__builtin_ia32_bextr_u64(
- Poisoned<U8>(0xABCDABCD, 0xFF0000000000), bextr_imm(32, 9)));
-
- EXPECT_POISONED(
- __builtin_ia32_bextr_u64(0xABCDABCD, Poisoned<U8>(bextr_imm(7, 800), 1)));
- EXPECT_POISONED(__builtin_ia32_bextr_u64(
- 0xABCDABCD, Poisoned<U8>(bextr_imm(7, 800), 0x80000000)));
-}
-
-__attribute__((target("bmi,bmi2")))
-static void TestPDEP() {
- U4 x = Poisoned<U4>(0, 0xFF00);
- EXPECT_NOT_POISONED(__builtin_ia32_pdep_si(x, 0xFF));
- EXPECT_POISONED(__builtin_ia32_pdep_si(x, 0x1FF));
- EXPECT_NOT_POISONED(__builtin_ia32_pdep_si(x, 0xFF00));
- EXPECT_POISONED(__builtin_ia32_pdep_si(x, 0x1FF00));
-
- EXPECT_NOT_POISONED(__builtin_ia32_pdep_si(x, 0x1FF00) & 0xFF);
- EXPECT_POISONED(__builtin_ia32_pdep_si(0, Poisoned<U4>(0xF, 1)));
-
- U8 y = Poisoned<U8>(0, 0xFF00);
- EXPECT_NOT_POISONED(__builtin_ia32_pdep_di(y, 0xFF));
- EXPECT_POISONED(__builtin_ia32_pdep_di(y, 0x1FF));
- EXPECT_NOT_POISONED(__builtin_ia32_pdep_di(y, 0xFF0000000000));
- EXPECT_POISONED(__builtin_ia32_pdep_di(y, 0x1FF000000000000));
-
- EXPECT_NOT_POISONED(__builtin_ia32_pdep_di(y, 0x1FF00) & 0xFF);
- EXPECT_POISONED(__builtin_ia32_pdep_di(0, Poisoned<U4>(0xF, 1)));
-}
-
-__attribute__((target("bmi,bmi2")))
-static void TestPEXT() {
- U4 x = Poisoned<U4>(0, 0xFF00);
- EXPECT_NOT_POISONED(__builtin_ia32_pext_si(x, 0xFF));
- EXPECT_POISONED(__builtin_ia32_pext_si(x, 0x1FF));
- EXPECT_POISONED(__builtin_ia32_pext_si(x, 0x100));
- EXPECT_POISONED(__builtin_ia32_pext_si(x, 0x1000));
- EXPECT_NOT_POISONED(__builtin_ia32_pext_si(x, 0x10000));
-
- EXPECT_POISONED(__builtin_ia32_pext_si(0xFF00, Poisoned<U4>(0xFF, 1)));
-
- U8 y = Poisoned<U8>(0, 0xFF0000000000);
- EXPECT_NOT_POISONED(__builtin_ia32_pext_di(y, 0xFF00000000));
- EXPECT_POISONED(__builtin_ia32_pext_di(y, 0x1FF00000000));
- EXPECT_POISONED(__builtin_ia32_pext_di(y, 0x10000000000));
- EXPECT_POISONED(__builtin_ia32_pext_di(y, 0x100000000000));
- EXPECT_NOT_POISONED(__builtin_ia32_pext_di(y, 0x1000000000000));
-
- EXPECT_POISONED(__builtin_ia32_pext_di(0xFF00, Poisoned<U8>(0xFF, 1)));
-}
-
-TEST(MemorySanitizer, Bmi) {
- if (HaveBmi()) {
- TestBZHI();
- TestBEXTR();
- TestPDEP();
- TestPEXT();
- }
-}
-#endif // defined(__x86_64__)
Copied: compiler-rt/trunk/lib/msan/tests/msan_test.cpp (from r367562, compiler-rt/trunk/lib/msan/tests/msan_test.cc)
URL: http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/lib/msan/tests/msan_test.cpp?p2=compiler-rt/trunk/lib/msan/tests/msan_test.cpp&p1=compiler-rt/trunk/lib/msan/tests/msan_test.cc&r1=367562&r2=367563&rev=367563&view=diff
==============================================================================
--- compiler-rt/trunk/lib/msan/tests/msan_test.cc (original)
+++ compiler-rt/trunk/lib/msan/tests/msan_test.cpp Thu Aug 1 07:09:37 2019
@@ -1,4 +1,4 @@
-//===-- msan_test.cc ------------------------------------------------------===//
+//===-- msan_test.cpp -----------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
Removed: compiler-rt/trunk/lib/msan/tests/msan_test_main.cc
URL: http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/lib/msan/tests/msan_test_main.cc?rev=367562&view=auto
==============================================================================
--- compiler-rt/trunk/lib/msan/tests/msan_test_main.cc (original)
+++ compiler-rt/trunk/lib/msan/tests/msan_test_main.cc (removed)
@@ -1,20 +0,0 @@
-//===-- msan_test_main.cc -------------------------------------------------===//
-//
-// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-// See https://llvm.org/LICENSE.txt for license information.
-// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-//
-//===----------------------------------------------------------------------===//
-//
-// This file is a part of MemorySanitizer.
-//
-//===----------------------------------------------------------------------===//
-#ifndef MSAN_EXTERNAL_TEST_CONFIG
-#include "msan_test_config.h"
-#endif // MSAN_EXTERNAL_TEST_CONFIG
-
-int main(int argc, char **argv) {
- testing::GTEST_FLAG(death_test_style) = "threadsafe";
- testing::InitGoogleTest(&argc, argv);
- return RUN_ALL_TESTS();
-}
Copied: compiler-rt/trunk/lib/msan/tests/msan_test_main.cpp (from r367562, compiler-rt/trunk/lib/msan/tests/msan_test_main.cc)
URL: http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/lib/msan/tests/msan_test_main.cpp?p2=compiler-rt/trunk/lib/msan/tests/msan_test_main.cpp&p1=compiler-rt/trunk/lib/msan/tests/msan_test_main.cc&r1=367562&r2=367563&rev=367563&view=diff
==============================================================================
--- compiler-rt/trunk/lib/msan/tests/msan_test_main.cc (original)
+++ compiler-rt/trunk/lib/msan/tests/msan_test_main.cpp Thu Aug 1 07:09:37 2019
@@ -1,4 +1,4 @@
-//===-- msan_test_main.cc -------------------------------------------------===//
+//===-- msan_test_main.cpp ------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
More information about the llvm-commits
mailing list