forked from OSchip/llvm-project
1775 lines
46 KiB
C++
1775 lines
46 KiB
C++
//===-- msan_test.cc ------------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file is a part of MemorySanitizer.
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//
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// MemorySanitizer unit tests.
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//===----------------------------------------------------------------------===//
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#include "sanitizer/msan_interface.h"
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#include "msandr_test_so.h"
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#include "gtest/gtest.h"
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#include <stdlib.h>
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#include <stdarg.h>
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#include <stdio.h>
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#include <assert.h>
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#include <wchar.h>
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#include <dlfcn.h>
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#include <unistd.h>
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#include <limits.h>
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#include <sys/time.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <sys/resource.h>
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#include <sys/ioctl.h>
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#include <sys/utsname.h>
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#include <sys/mman.h>
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#include <sys/vfs.h>
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#if defined(__i386__) || defined(__x86_64__)
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# include <emmintrin.h>
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# define MSAN_HAS_M128 1
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#else
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# define MSAN_HAS_M128 0
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#endif
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typedef unsigned char U1;
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typedef unsigned short U2; // NOLINT
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typedef unsigned int U4;
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typedef unsigned long long U8; // NOLINT
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typedef signed char S1;
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typedef signed short S2; // NOLINT
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typedef signed int S4;
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typedef signed long long S8; // NOLINT
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#define NOINLINE __attribute__((noinline))
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#define INLINE __attribute__((always_inline))
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static bool TrackingOrigins() {
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S8 x;
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__msan_set_origin(&x, sizeof(x), 0x1234);
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U4 origin = __msan_get_origin(&x);
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__msan_set_origin(&x, sizeof(x), 0);
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return origin == 0x1234;
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}
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#define EXPECT_UMR(action) \
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do { \
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__msan_set_expect_umr(1); \
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action; \
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__msan_set_expect_umr(0); \
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} while (0)
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#define EXPECT_UMR_O(action, origin) \
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do { \
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__msan_set_expect_umr(1); \
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action; \
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__msan_set_expect_umr(0); \
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if (TrackingOrigins()) \
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EXPECT_EQ(origin, __msan_get_umr_origin()); \
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} while (0)
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#define EXPECT_UMR_S(action, stack_origin) \
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do { \
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__msan_set_expect_umr(1); \
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action; \
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__msan_set_expect_umr(0); \
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U4 id = __msan_get_umr_origin(); \
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const char *str = __msan_get_origin_descr_if_stack(id); \
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if (!str || strcmp(str, stack_origin)) { \
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fprintf(stderr, "EXPECT_POISONED_S: id=%u %s, %s", \
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id, stack_origin, str); \
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EXPECT_EQ(1, 0); \
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} \
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} while (0)
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#define EXPECT_POISONED(x) ExpectPoisoned(x)
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template<typename T>
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void ExpectPoisoned(const T& t) {
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EXPECT_NE(-1, __msan_test_shadow((void*)&t, sizeof(t)));
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}
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#define EXPECT_POISONED_O(x, origin) \
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ExpectPoisonedWithOrigin(x, origin)
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template<typename T>
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void ExpectPoisonedWithOrigin(const T& t, unsigned origin) {
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EXPECT_NE(-1, __msan_test_shadow((void*)&t, sizeof(t)));
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if (TrackingOrigins())
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EXPECT_EQ(origin, __msan_get_origin((void*)&t));
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}
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#define EXPECT_POISONED_S(x, stack_origin) \
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ExpectPoisonedWithStackOrigin(x, stack_origin)
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template<typename T>
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void ExpectPoisonedWithStackOrigin(const T& t, const char *stack_origin) {
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EXPECT_NE(-1, __msan_test_shadow((void*)&t, sizeof(t)));
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U4 id = __msan_get_origin((void*)&t);
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const char *str = __msan_get_origin_descr_if_stack(id);
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if (!str || strcmp(str, stack_origin)) {
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fprintf(stderr, "EXPECT_POISONED_S: id=%u %s, %s",
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id, stack_origin, str);
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EXPECT_EQ(1, 0);
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}
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}
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#define EXPECT_NOT_POISONED(x) ExpectNotPoisoned(x)
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template<typename T>
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void ExpectNotPoisoned(const T& t) {
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EXPECT_EQ(-1, __msan_test_shadow((void*)&t, sizeof(t)));
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}
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static U8 poisoned_array[100];
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template<class T>
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T *GetPoisoned(int i = 0, T val = 0) {
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T *res = (T*)&poisoned_array[i];
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*res = val;
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__msan_poison(&poisoned_array[i], sizeof(T));
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return res;
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}
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template<class T>
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T *GetPoisonedO(int i, U4 origin, T val = 0) {
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T *res = (T*)&poisoned_array[i];
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*res = val;
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__msan_poison(&poisoned_array[i], sizeof(T));
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__msan_set_origin(&poisoned_array[i], sizeof(T), origin);
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return res;
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}
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// This function returns its parameter but in such a way that compiler
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// can not prove it.
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template<class T>
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NOINLINE
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static T Ident(T t) {
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volatile T ret = t;
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return ret;
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}
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template<class T> NOINLINE T ReturnPoisoned() { return *GetPoisoned<T>(); }
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static volatile int g_one = 1;
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static volatile int g_zero = 0;
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static volatile int g_0 = 0;
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static volatile int g_1 = 1;
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S4 a_s4[100];
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S8 a_s8[100];
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// Check that malloc poisons memory.
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// A lot of tests below depend on this.
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TEST(MemorySanitizerSanity, PoisonInMalloc) {
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int *x = (int*)malloc(sizeof(int));
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EXPECT_POISONED(*x);
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free(x);
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}
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TEST(MemorySanitizer, NegativeTest1) {
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S4 *x = GetPoisoned<S4>();
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if (g_one)
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*x = 0;
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EXPECT_NOT_POISONED(*x);
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}
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TEST(MemorySanitizer, PositiveTest1) {
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// Load to store.
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EXPECT_POISONED(*GetPoisoned<S1>());
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EXPECT_POISONED(*GetPoisoned<S2>());
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EXPECT_POISONED(*GetPoisoned<S4>());
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EXPECT_POISONED(*GetPoisoned<S8>());
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// S->S conversions.
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EXPECT_POISONED(*GetPoisoned<S1>());
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EXPECT_POISONED(*GetPoisoned<S1>());
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EXPECT_POISONED(*GetPoisoned<S1>());
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EXPECT_POISONED(*GetPoisoned<S2>());
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EXPECT_POISONED(*GetPoisoned<S2>());
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EXPECT_POISONED(*GetPoisoned<S2>());
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EXPECT_POISONED(*GetPoisoned<S4>());
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EXPECT_POISONED(*GetPoisoned<S4>());
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EXPECT_POISONED(*GetPoisoned<S4>());
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EXPECT_POISONED(*GetPoisoned<S8>());
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EXPECT_POISONED(*GetPoisoned<S8>());
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EXPECT_POISONED(*GetPoisoned<S8>());
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// ZExt
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EXPECT_POISONED(*GetPoisoned<U1>());
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EXPECT_POISONED(*GetPoisoned<U1>());
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EXPECT_POISONED(*GetPoisoned<U1>());
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EXPECT_POISONED(*GetPoisoned<U2>());
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EXPECT_POISONED(*GetPoisoned<U2>());
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EXPECT_POISONED(*GetPoisoned<U4>());
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// Unary ops.
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EXPECT_POISONED(- *GetPoisoned<S4>());
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EXPECT_UMR(a_s4[g_zero] = 100 / *GetPoisoned<S4>(0, 1));
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a_s4[g_zero] = 1 - *GetPoisoned<S4>();
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a_s4[g_zero] = 1 + *GetPoisoned<S4>();
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}
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TEST(MemorySanitizer, Phi1) {
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S4 c;
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if (g_one) {
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c = *GetPoisoned<S4>();
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} else {
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break_optimization(0);
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c = 0;
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}
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EXPECT_POISONED(c);
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}
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TEST(MemorySanitizer, Phi2) {
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S4 i = *GetPoisoned<S4>();
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S4 n = g_one;
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EXPECT_UMR(for (; i < g_one; i++););
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EXPECT_POISONED(i);
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}
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NOINLINE void Arg1ExpectUMR(S4 a1) { EXPECT_POISONED(a1); }
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NOINLINE void Arg2ExpectUMR(S4 a1, S4 a2) { EXPECT_POISONED(a2); }
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NOINLINE void Arg3ExpectUMR(S1 a1, S4 a2, S8 a3) { EXPECT_POISONED(a3); }
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TEST(MemorySanitizer, ArgTest) {
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Arg1ExpectUMR(*GetPoisoned<S4>());
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Arg2ExpectUMR(0, *GetPoisoned<S4>());
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Arg3ExpectUMR(0, 1, *GetPoisoned<S8>());
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}
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TEST(MemorySanitizer, CallAndRet) {
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if (!__msan_has_dynamic_component()) return;
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ReturnPoisoned<S1>();
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ReturnPoisoned<S2>();
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ReturnPoisoned<S4>();
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ReturnPoisoned<S8>();
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EXPECT_POISONED(ReturnPoisoned<S1>());
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EXPECT_POISONED(ReturnPoisoned<S2>());
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EXPECT_POISONED(ReturnPoisoned<S4>());
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EXPECT_POISONED(ReturnPoisoned<S8>());
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}
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// malloc() in the following test may be optimized to produce a compile-time
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// undef value. Check that we trap on the volatile assignment anyway.
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TEST(MemorySanitizer, DISABLED_MallocNoIdent) {
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S4 *x = (int*)malloc(sizeof(S4));
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EXPECT_POISONED(*x);
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free(x);
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}
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TEST(MemorySanitizer, Malloc) {
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S4 *x = (int*)Ident(malloc(sizeof(S4)));
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EXPECT_POISONED(*x);
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free(x);
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}
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TEST(MemorySanitizer, Realloc) {
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S4 *x = (int*)Ident(realloc(0, sizeof(S4)));
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EXPECT_POISONED(x[0]);
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x[0] = 1;
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x = (int*)Ident(realloc(x, 2 * sizeof(S4)));
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EXPECT_NOT_POISONED(x[0]); // Ok, was inited before.
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EXPECT_POISONED(x[1]);
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x = (int*)Ident(realloc(x, 3 * sizeof(S4)));
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EXPECT_NOT_POISONED(x[0]); // Ok, was inited before.
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EXPECT_POISONED(x[2]);
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EXPECT_POISONED(x[1]);
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x[2] = 1; // Init this here. Check that after realloc it is poisoned again.
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x = (int*)Ident(realloc(x, 2 * sizeof(S4)));
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EXPECT_NOT_POISONED(x[0]); // Ok, was inited before.
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EXPECT_POISONED(x[1]);
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x = (int*)Ident(realloc(x, 3 * sizeof(S4)));
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EXPECT_POISONED(x[1]);
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EXPECT_POISONED(x[2]);
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free(x);
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}
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TEST(MemorySanitizer, Calloc) {
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S4 *x = (int*)Ident(calloc(1, sizeof(S4)));
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EXPECT_NOT_POISONED(*x); // Should not be poisoned.
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// EXPECT_EQ(0, *x);
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free(x);
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}
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TEST(MemorySanitizer, AndOr) {
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U4 *p = GetPoisoned<U4>();
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// We poison two bytes in the midle of a 4-byte word to make the test
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// correct regardless of endianness.
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((U1*)p)[1] = 0;
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((U1*)p)[2] = 0xff;
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EXPECT_NOT_POISONED(*p & 0x00ffff00);
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EXPECT_NOT_POISONED(*p & 0x00ff0000);
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EXPECT_NOT_POISONED(*p & 0x0000ff00);
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EXPECT_POISONED(*p & 0xff000000);
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EXPECT_POISONED(*p & 0x000000ff);
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EXPECT_POISONED(*p & 0x0000ffff);
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EXPECT_POISONED(*p & 0xffff0000);
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EXPECT_NOT_POISONED(*p | 0xff0000ff);
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EXPECT_NOT_POISONED(*p | 0xff00ffff);
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EXPECT_NOT_POISONED(*p | 0xffff00ff);
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EXPECT_POISONED(*p | 0xff000000);
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EXPECT_POISONED(*p | 0x000000ff);
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EXPECT_POISONED(*p | 0x0000ffff);
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EXPECT_POISONED(*p | 0xffff0000);
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EXPECT_POISONED(*GetPoisoned<bool>() & *GetPoisoned<bool>());
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}
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template<class T>
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static bool applyNot(T value, T shadow) {
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__msan_partial_poison(&value, &shadow, sizeof(T));
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return !value;
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}
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TEST(MemorySanitizer, Not) {
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EXPECT_NOT_POISONED(applyNot<U4>(0x0, 0x0));
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EXPECT_NOT_POISONED(applyNot<U4>(0xFFFFFFFF, 0x0));
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EXPECT_POISONED(applyNot<U4>(0xFFFFFFFF, 0xFFFFFFFF));
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EXPECT_NOT_POISONED(applyNot<U4>(0xFF000000, 0x0FFFFFFF));
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EXPECT_NOT_POISONED(applyNot<U4>(0xFF000000, 0x00FFFFFF));
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EXPECT_NOT_POISONED(applyNot<U4>(0xFF000000, 0x0000FFFF));
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EXPECT_NOT_POISONED(applyNot<U4>(0xFF000000, 0x00000000));
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EXPECT_POISONED(applyNot<U4>(0xFF000000, 0xFF000000));
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EXPECT_NOT_POISONED(applyNot<U4>(0xFF800000, 0xFF000000));
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EXPECT_POISONED(applyNot<U4>(0x00008000, 0x00008000));
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EXPECT_NOT_POISONED(applyNot<U1>(0x0, 0x0));
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EXPECT_NOT_POISONED(applyNot<U1>(0xFF, 0xFE));
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EXPECT_NOT_POISONED(applyNot<U1>(0xFF, 0x0));
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EXPECT_POISONED(applyNot<U1>(0xFF, 0xFF));
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EXPECT_POISONED(applyNot<void*>((void*)0xFFFFFF, (void*)(-1)));
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EXPECT_NOT_POISONED(applyNot<void*>((void*)0xFFFFFF, (void*)(-2)));
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}
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TEST(MemorySanitizer, Shift) {
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U4 *up = GetPoisoned<U4>();
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((U1*)up)[0] = 0;
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((U1*)up)[3] = 0xff;
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EXPECT_NOT_POISONED(*up >> 30);
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EXPECT_NOT_POISONED(*up >> 24);
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EXPECT_POISONED(*up >> 23);
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EXPECT_POISONED(*up >> 10);
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EXPECT_NOT_POISONED(*up << 30);
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EXPECT_NOT_POISONED(*up << 24);
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EXPECT_POISONED(*up << 23);
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EXPECT_POISONED(*up << 10);
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S4 *sp = (S4*)up;
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EXPECT_NOT_POISONED(*sp >> 30);
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EXPECT_NOT_POISONED(*sp >> 24);
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EXPECT_POISONED(*sp >> 23);
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EXPECT_POISONED(*sp >> 10);
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sp = GetPoisoned<S4>();
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((S1*)sp)[1] = 0;
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((S1*)sp)[2] = 0;
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EXPECT_POISONED(*sp >> 31);
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EXPECT_POISONED(100 >> *GetPoisoned<S4>());
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EXPECT_POISONED(100U >> *GetPoisoned<S4>());
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}
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NOINLINE static int GetPoisonedZero() {
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int *zero = new int;
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*zero = 0;
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__msan_poison(zero, sizeof(*zero));
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int res = *zero;
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delete zero;
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return res;
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}
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TEST(MemorySanitizer, LoadFromDirtyAddress) {
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int *a = new int;
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*a = 0;
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EXPECT_UMR(break_optimization((void*)(U8)a[GetPoisonedZero()]));
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delete a;
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}
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TEST(MemorySanitizer, StoreToDirtyAddress) {
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int *a = new int;
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EXPECT_UMR(a[GetPoisonedZero()] = 0);
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break_optimization(a);
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delete a;
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}
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NOINLINE void StackTestFunc() {
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S4 p4;
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S4 ok4 = 1;
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S2 p2;
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S2 ok2 = 1;
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S1 p1;
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S1 ok1 = 1;
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break_optimization(&p4);
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break_optimization(&ok4);
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break_optimization(&p2);
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break_optimization(&ok2);
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break_optimization(&p1);
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break_optimization(&ok1);
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EXPECT_POISONED(p4);
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EXPECT_POISONED(p2);
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EXPECT_POISONED(p1);
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EXPECT_NOT_POISONED(ok1);
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EXPECT_NOT_POISONED(ok2);
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EXPECT_NOT_POISONED(ok4);
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}
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TEST(MemorySanitizer, StackTest) {
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StackTestFunc();
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}
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NOINLINE void StackStressFunc() {
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int foo[10000];
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break_optimization(foo);
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}
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TEST(MemorySanitizer, DISABLED_StackStressTest) {
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for (int i = 0; i < 1000000; i++)
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StackStressFunc();
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}
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template<class T>
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void TestFloatingPoint() {
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static volatile T v;
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static T g[100];
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break_optimization(&g);
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T *x = GetPoisoned<T>();
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T *y = GetPoisoned<T>(1);
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EXPECT_POISONED(*x);
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EXPECT_POISONED((long long)*x);
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EXPECT_POISONED((int)*x);
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g[0] = *x;
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g[1] = *x + *y;
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g[2] = *x - *y;
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g[3] = *x * *y;
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}
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TEST(MemorySanitizer, FloatingPointTest) {
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TestFloatingPoint<float>();
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TestFloatingPoint<double>();
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}
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TEST(MemorySanitizer, DynMem) {
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S4 x = 0;
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S4 *y = GetPoisoned<S4>();
|
|
memcpy(y, &x, g_one * sizeof(S4));
|
|
EXPECT_NOT_POISONED(*y);
|
|
}
|
|
|
|
static char *DynRetTestStr;
|
|
|
|
TEST(MemorySanitizer, DynRet) {
|
|
if (!__msan_has_dynamic_component()) return;
|
|
ReturnPoisoned<S8>();
|
|
EXPECT_NOT_POISONED(clearenv());
|
|
}
|
|
|
|
|
|
TEST(MemorySanitizer, DynRet1) {
|
|
if (!__msan_has_dynamic_component()) return;
|
|
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, LargeRet) {
|
|
LargeStruct a = LargeRetTest();
|
|
EXPECT_POISONED(a.x[0]);
|
|
EXPECT_POISONED(a.x[9]);
|
|
}
|
|
|
|
TEST(MemorySanitizer, fread) {
|
|
char *x = new char[32];
|
|
FILE *f = fopen("/proc/self/stat", "r");
|
|
assert(f);
|
|
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("/proc/self/stat", O_RDONLY);
|
|
assert(fd > 0);
|
|
int sz = read(fd, x, 32);
|
|
assert(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("/proc/self/stat", O_RDONLY);
|
|
assert(fd > 0);
|
|
int sz = pread(fd, x, 32, 0);
|
|
assert(sz == 32);
|
|
EXPECT_NOT_POISONED(x[0]);
|
|
EXPECT_NOT_POISONED(x[16]);
|
|
EXPECT_NOT_POISONED(x[31]);
|
|
close(fd);
|
|
delete x;
|
|
}
|
|
|
|
// 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("/proc/self/exe", x, 1000);
|
|
EXPECT_NOT_POISONED(x[0]);
|
|
delete [] x;
|
|
}
|
|
|
|
|
|
TEST(MemorySanitizer, stat) {
|
|
struct stat* st = new struct stat;
|
|
int res = stat("/proc/self/stat", st);
|
|
assert(!res);
|
|
EXPECT_NOT_POISONED(st->st_dev);
|
|
EXPECT_NOT_POISONED(st->st_mode);
|
|
EXPECT_NOT_POISONED(st->st_size);
|
|
}
|
|
|
|
TEST(MemorySanitizer, statfs) {
|
|
struct statfs* st = new struct statfs;
|
|
int res = statfs("/", st);
|
|
assert(!res);
|
|
EXPECT_NOT_POISONED(st->f_type);
|
|
EXPECT_NOT_POISONED(st->f_bfree);
|
|
EXPECT_NOT_POISONED(st->f_namelen);
|
|
}
|
|
|
|
TEST(MemorySanitizer, pipe) {
|
|
int* pipefd = new int[2];
|
|
int res = pipe(pipefd);
|
|
assert(!res);
|
|
EXPECT_NOT_POISONED(pipefd[0]);
|
|
EXPECT_NOT_POISONED(pipefd[1]);
|
|
close(pipefd[0]);
|
|
close(pipefd[1]);
|
|
}
|
|
|
|
TEST(MemorySanitizer, getcwd) {
|
|
char path[PATH_MAX + 1];
|
|
char* res = getcwd(path, sizeof(path));
|
|
assert(res);
|
|
EXPECT_NOT_POISONED(path[0]);
|
|
}
|
|
|
|
TEST(MemorySanitizer, realpath) {
|
|
const char* relpath = ".";
|
|
char path[PATH_MAX + 1];
|
|
char* res = realpath(relpath, path);
|
|
assert(res);
|
|
EXPECT_NOT_POISONED(path[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]);
|
|
}
|
|
|
|
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, strdup) {
|
|
char *x = strdup("zzz");
|
|
EXPECT_NOT_POISONED(*x);
|
|
free(x);
|
|
}
|
|
|
|
template<class T, int size>
|
|
void TestOverlapMemmove() {
|
|
T *x = new T[size];
|
|
assert(size >= 3);
|
|
x[2] = 0;
|
|
memmove(x, x + 1, (size - 1) * sizeof(T));
|
|
EXPECT_NOT_POISONED(x[1]);
|
|
if (!__msan_has_dynamic_component()) {
|
|
// FIXME: under DR we will lose this information
|
|
// because accesses in memmove will unpoisin the shadow.
|
|
// We need to use our own memove implementation instead of libc's.
|
|
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[3];
|
|
x[0] = 'a';
|
|
x[1] = *GetPoisoned<char>(1, 1);
|
|
x[2] = 0;
|
|
strncpy(y, x, 2); // NOLINT
|
|
EXPECT_NOT_POISONED(y[0]);
|
|
EXPECT_POISONED(y[1]);
|
|
EXPECT_POISONED(y[2]);
|
|
}
|
|
|
|
TEST(MemorySanitizer, strtol) {
|
|
char *e;
|
|
assert(1 == strtol("1", &e, 10));
|
|
EXPECT_NOT_POISONED((S8) e);
|
|
}
|
|
|
|
TEST(MemorySanitizer, strtoll) {
|
|
char *e;
|
|
assert(1 == strtoll("1", &e, 10));
|
|
EXPECT_NOT_POISONED((S8) e);
|
|
}
|
|
|
|
TEST(MemorySanitizer, strtoul) {
|
|
char *e;
|
|
assert(1 == strtoul("1", &e, 10));
|
|
EXPECT_NOT_POISONED((S8) e);
|
|
}
|
|
|
|
TEST(MemorySanitizer, strtoull) {
|
|
char *e;
|
|
assert(1 == strtoull("1", &e, 10));
|
|
EXPECT_NOT_POISONED((S8) e);
|
|
}
|
|
|
|
TEST(MemorySanitizer, strtod) {
|
|
char *e;
|
|
assert(0 != strtod("1.5", &e));
|
|
EXPECT_NOT_POISONED((S8) e);
|
|
}
|
|
|
|
TEST(MemorySanitizer, strtof) {
|
|
char *e;
|
|
assert(0 != strtof("1.5", &e));
|
|
EXPECT_NOT_POISONED((S8) e);
|
|
}
|
|
|
|
TEST(MemorySanitizer, strtold) {
|
|
char *e;
|
|
assert(0 != strtold("1.5", &e));
|
|
EXPECT_NOT_POISONED((S8) e);
|
|
}
|
|
|
|
TEST(MemorySanitizer, sprintf) { // NOLINT
|
|
char buff[10];
|
|
break_optimization(buff);
|
|
EXPECT_POISONED(buff[0]);
|
|
int res = sprintf(buff, "%d", 1234567); // NOLINT
|
|
assert(res == 7);
|
|
assert(buff[0] == '1');
|
|
assert(buff[1] == '2');
|
|
assert(buff[2] == '3');
|
|
assert(buff[6] == '7');
|
|
assert(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(res == 7);
|
|
assert(buff[0] == '1');
|
|
assert(buff[1] == '2');
|
|
assert(buff[2] == '3');
|
|
assert(buff[6] == '7');
|
|
assert(buff[7] == 0);
|
|
EXPECT_POISONED(buff[8]);
|
|
}
|
|
|
|
TEST(MemorySanitizer, swprintf) {
|
|
wchar_t buff[10];
|
|
assert(sizeof(wchar_t) == 4);
|
|
break_optimization(buff);
|
|
EXPECT_POISONED(buff[0]);
|
|
int res = swprintf(buff, 9, L"%d", 1234567);
|
|
assert(res == 7);
|
|
assert(buff[0] == '1');
|
|
assert(buff[1] == '2');
|
|
assert(buff[2] == '3');
|
|
assert(buff[6] == '7');
|
|
assert(buff[7] == 0);
|
|
EXPECT_POISONED(buff[8]);
|
|
}
|
|
|
|
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, gettimeofday) {
|
|
struct timeval tv;
|
|
struct timezone tz;
|
|
break_optimization(&tv);
|
|
break_optimization(&tz);
|
|
assert(sizeof(tv) == 16);
|
|
assert(sizeof(tz) == 8);
|
|
EXPECT_POISONED(tv.tv_sec);
|
|
EXPECT_POISONED(tv.tv_usec);
|
|
EXPECT_POISONED(tz.tz_minuteswest);
|
|
EXPECT_POISONED(tz.tz_dsttime);
|
|
assert(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, 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);
|
|
}
|
|
}
|
|
|
|
// 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);
|
|
}
|
|
|
|
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.
|
|
void* p = (void*)0xABCD;
|
|
__msan_poison(((char*)&p) + 1, sizeof(p));
|
|
EXPECT_NOT_POISONED((((uintptr_t)p) & 0xFF) == 0);
|
|
|
|
void* q = (void*)0xABCD;
|
|
__msan_poison(&q, sizeof(q) - 1);
|
|
EXPECT_POISONED((((uintptr_t)q) & 0xFF) == 0);
|
|
}
|
|
|
|
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_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);
|
|
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);
|
|
va_list vl;
|
|
va_start(vl, guard);
|
|
EXPECT_POISONED(va_arg(vl, int));
|
|
va_end(vl);
|
|
}
|
|
|
|
TEST(MemorySanitizer, VAArgTLSOverwrite) {
|
|
int* x = GetPoisoned<int>();
|
|
vaargsfn_tlsoverwrite(1, *x);
|
|
}
|
|
|
|
struct StructByVal {
|
|
int a, b, c, d, e, f;
|
|
};
|
|
|
|
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 *a == *b; }
|
|
NOINLINE __m128i m128Lt(__m128i *a, __m128i *b) { return *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);
|
|
}
|
|
|
|
TEST(MemorySanitizer, getrlimit) {
|
|
struct rlimit limit;
|
|
__msan_poison(&limit, sizeof(limit));
|
|
int result = getrlimit(RLIMIT_DATA, &limit);
|
|
assert(result == 0);
|
|
volatile rlim_t t;
|
|
t = limit.rlim_cur;
|
|
t = limit.rlim_max;
|
|
}
|
|
|
|
TEST(MemorySanitizer, getrusage) {
|
|
struct rusage usage;
|
|
__msan_poison(&usage, sizeof(usage));
|
|
int result = getrusage(RUSAGE_SELF, &usage);
|
|
assert(result == 0);
|
|
volatile struct timeval t;
|
|
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);
|
|
}
|
|
|
|
static void dladdr_testfn() {}
|
|
|
|
TEST(MemorySanitizer, dladdr) {
|
|
Dl_info info;
|
|
__msan_poison(&info, sizeof(info));
|
|
int result = dladdr((const void*)dladdr_testfn, &info);
|
|
assert(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);
|
|
}
|
|
|
|
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(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(!res);
|
|
res = pthread_join(t, &p);
|
|
assert(!res);
|
|
if (!__msan_has_dynamic_component()) // FIXME: intercept pthread_join (?).
|
|
__msan_unpoison(&p, sizeof(p));
|
|
delete (int*)p;
|
|
}
|
|
|
|
TEST(MemorySanitizer, uname) {
|
|
struct utsname u;
|
|
int res = uname(&u);
|
|
assert(!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(!res);
|
|
EXPECT_NOT_POISONED(strlen(buf));
|
|
}
|
|
|
|
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));
|
|
|
|
EXPECT_NOT_POISONED(poisoned(-1, 0x80000000U) >= poisoned(-1, 0U));
|
|
}
|
|
|
|
#if MSAN_HAS_M128
|
|
TEST(MemorySanitizer, ICmpVectorRelational) {
|
|
EXPECT_NOT_POISONED(poisoned(_mm_set1_epi16(0), _mm_set1_epi16(0)) <
|
|
poisoned(_mm_set1_epi16(0), _mm_set1_epi16(0)));
|
|
EXPECT_NOT_POISONED(poisoned(_mm_set1_epi32(0), _mm_set1_epi32(0)) <
|
|
poisoned(_mm_set1_epi32(0), _mm_set1_epi32(0)));
|
|
EXPECT_POISONED(poisoned(_mm_set1_epi16(0), _mm_set1_epi16(0xFFFF)) <
|
|
poisoned(_mm_set1_epi16(0), _mm_set1_epi16(0xFFFF)));
|
|
EXPECT_POISONED(poisoned(_mm_set1_epi16(6), _mm_set1_epi16(0xF)) >
|
|
poisoned(_mm_set1_epi16(7), _mm_set1_epi16(0)));
|
|
}
|
|
#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(MemorySanitizerDr, StoreInDSOTest) {
|
|
if (!__msan_has_dynamic_component()) return;
|
|
char* s = new char[10];
|
|
dso_memfill(s, 9);
|
|
EXPECT_NOT_POISONED(s[5]);
|
|
EXPECT_POISONED(s[9]);
|
|
}
|
|
|
|
int return_poisoned_int() {
|
|
return ReturnPoisoned<U8>();
|
|
}
|
|
|
|
TEST(MemorySanitizerDr, ReturnFromDSOTest) {
|
|
if (!__msan_has_dynamic_component()) return;
|
|
EXPECT_NOT_POISONED(dso_callfn(return_poisoned_int));
|
|
}
|
|
|
|
NOINLINE int TrashParamTLS(long long x, long long y, long long z) { //NOLINT
|
|
EXPECT_POISONED(x);
|
|
EXPECT_POISONED(y);
|
|
EXPECT_POISONED(z);
|
|
return 0;
|
|
}
|
|
|
|
static int CheckParamTLS(long long x, long long y, long long z) { //NOLINT
|
|
EXPECT_NOT_POISONED(x);
|
|
EXPECT_NOT_POISONED(y);
|
|
EXPECT_NOT_POISONED(z);
|
|
return 0;
|
|
}
|
|
|
|
TEST(MemorySanitizerDr, CallFromDSOTest) {
|
|
if (!__msan_has_dynamic_component()) return;
|
|
S8* x = GetPoisoned<S8>();
|
|
S8* y = GetPoisoned<S8>();
|
|
S8* z = GetPoisoned<S8>();
|
|
EXPECT_NOT_POISONED(TrashParamTLS(*x, *y, *z));
|
|
EXPECT_NOT_POISONED(dso_callfn1(CheckParamTLS));
|
|
}
|
|
|
|
static void StackStoreInDSOFn(int* x, int* y) {
|
|
EXPECT_NOT_POISONED(*x);
|
|
EXPECT_NOT_POISONED(*y);
|
|
}
|
|
|
|
TEST(MemorySanitizerDr, StackStoreInDSOTest) {
|
|
if (!__msan_has_dynamic_component()) return;
|
|
dso_stack_store(StackStoreInDSOFn, 1);
|
|
}
|
|
|
|
TEST(MemorySanitizerOrigins, SetGet) {
|
|
EXPECT_EQ(TrackingOrigins(), __msan_get_track_origins());
|
|
if (!TrackingOrigins()) return;
|
|
int x;
|
|
__msan_set_origin(&x, sizeof(x), 1234);
|
|
EXPECT_EQ(1234, __msan_get_origin(&x));
|
|
__msan_set_origin(&x, sizeof(x), 5678);
|
|
EXPECT_EQ(5678, __msan_get_origin(&x));
|
|
__msan_set_origin(&x, sizeof(x), 0);
|
|
EXPECT_EQ(0, __msan_get_origin(&x));
|
|
}
|
|
|
|
namespace {
|
|
struct S {
|
|
U4 dummy;
|
|
U2 a;
|
|
U2 b;
|
|
};
|
|
|
|
// http://code.google.com/p/memory-sanitizer/issues/detail?id=6
|
|
TEST(MemorySanitizerOrigins, DISABLED_InitializedStoreDoesNotChangeOrigin) {
|
|
if (!TrackingOrigins()) return;
|
|
|
|
S s;
|
|
U4 origin = rand(); // NOLINT
|
|
s.a = *GetPoisonedO<U2>(0, origin);
|
|
EXPECT_EQ(origin, __msan_get_origin(&s.a));
|
|
EXPECT_EQ(origin, __msan_get_origin(&s.b));
|
|
|
|
s.b = 42;
|
|
EXPECT_EQ(origin, __msan_get_origin(&s.a));
|
|
EXPECT_EQ(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, origin == ox || 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_EQ(__msan_get_origin(z), oy);
|
|
|
|
// 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_EQ(__msan_get_origin(z), ox);
|
|
}
|
|
|
|
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];
|
|
__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);
|
|
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__);
|
|
}
|
|
|
|
extern "C"
|
|
NOINLINE char AllocaTO() {
|
|
int ar[100];
|
|
break_optimization(ar);
|
|
return ar[10];
|
|
// fprintf(stderr, "Descr: %s\n",
|
|
// __msan_get_origin_descr_if_stack(__msan_get_origin_tls()));
|
|
}
|
|
|
|
TEST(MemorySanitizerOrigins, Alloca) {
|
|
if (!TrackingOrigins()) return;
|
|
EXPECT_POISONED_S(AllocaTO(), "ar@AllocaTO");
|
|
EXPECT_POISONED_S(AllocaTO(), "ar@AllocaTO");
|
|
EXPECT_POISONED_S(AllocaTO(), "ar@AllocaTO");
|
|
EXPECT_POISONED_S(AllocaTO(), "ar@AllocaTO");
|
|
}
|
|
|
|
// FIXME: replace with a lit-like test.
|
|
TEST(MemorySanitizerOrigins, DISABLED_AllocaDeath) {
|
|
if (!TrackingOrigins()) return;
|
|
EXPECT_DEATH(AllocaTO(), "ORIGIN: stack allocation: ar@AllocaTO");
|
|
}
|
|
|
|
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));
|
|
__builtin_ia32_storeups((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, CallocOverflow) {
|
|
size_t kArraySize = 4096;
|
|
volatile size_t kMaxSizeT = std::numeric_limits<size_t>::max();
|
|
volatile size_t kArraySize2 = kMaxSizeT / kArraySize + 10;
|
|
void *p = calloc(kArraySize, kArraySize2); // Should return 0.
|
|
EXPECT_EQ(0L, Ident(p));
|
|
}
|
|
|
|
TEST(MemorySanitizerStress, DISABLED_MallocStackTrace) {
|
|
RecursiveMalloc(22);
|
|
}
|
|
|
|
int main(int argc, char **argv) {
|
|
testing::InitGoogleTest(&argc, argv);
|
|
int res = RUN_ALL_TESTS();
|
|
return res;
|
|
}
|