1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
|
// Test basic new functionality.
// RUN: %clangxx_hwasan -std=c++17 %s -o %t -fsized-deallocation
// RUN: %run %t
#include <cassert>
#include <cstdint>
#include <cstdlib>
#include <new>
#include <sanitizer/allocator_interface.h>
#include <sanitizer/hwasan_interface.h>
void operator_new_delete(size_t size) {
void *alloc = operator new(size);
assert(alloc != nullptr);
assert(__sanitizer_get_allocated_size(alloc) == size);
operator delete(alloc);
alloc = operator new(size);
assert(alloc != nullptr);
assert(__sanitizer_get_allocated_size(alloc) == size);
operator delete(alloc, size);
}
void operator_new_delete_array(size_t size) {
void *alloc = operator new[](size);
assert(alloc != nullptr);
assert(__sanitizer_get_allocated_size(alloc) == size);
operator delete[](alloc);
alloc = operator new[](size);
assert(alloc != nullptr);
assert(__sanitizer_get_allocated_size(alloc) == size);
operator delete[](alloc, size);
}
void operator_new_delete(size_t size, std::align_val_t align) {
void *alloc = operator new(size, align);
assert(alloc != nullptr);
assert(reinterpret_cast<uintptr_t>(alloc) % static_cast<uintptr_t>(align) == 0);
assert(__sanitizer_get_allocated_size(alloc) >= size);
operator delete(alloc, align);
alloc = operator new(size, align);
assert(alloc != nullptr);
assert(reinterpret_cast<uintptr_t>(alloc) % static_cast<uintptr_t>(align) == 0);
assert(__sanitizer_get_allocated_size(alloc) >= size);
operator delete(alloc, size, align);
}
void operator_new_delete_array(size_t size, std::align_val_t align) {
void *alloc = operator new[](size, align);
assert(alloc != nullptr);
assert(reinterpret_cast<uintptr_t>(alloc) % static_cast<uintptr_t>(align) == 0);
assert(__sanitizer_get_allocated_size(alloc) >= size);
operator delete[](alloc, align);
alloc = operator new[](size, align);
assert(alloc != nullptr);
assert(reinterpret_cast<uintptr_t>(alloc) % static_cast<uintptr_t>(align) == 0);
assert(__sanitizer_get_allocated_size(alloc) >= size);
operator delete[](alloc, size, align);
}
void operator_new_delete(size_t size, const std::nothrow_t &tag) {
void *alloc = operator new(size, tag);
assert(alloc != nullptr);
assert(__sanitizer_get_allocated_size(alloc) == size);
operator delete(alloc, tag);
}
void operator_new_delete_array(size_t size, const std::nothrow_t &tag) {
void *alloc = operator new[](size, tag);
assert(alloc != nullptr);
assert(__sanitizer_get_allocated_size(alloc) == size);
operator delete[](alloc, tag);
}
void operator_new_delete(size_t size, std::align_val_t align, const std::nothrow_t &tag) {
void *alloc = operator new(size, align, tag);
assert(alloc != nullptr);
assert(reinterpret_cast<uintptr_t>(alloc) % static_cast<uintptr_t>(align) == 0);
assert(__sanitizer_get_allocated_size(alloc) >= size);
operator delete(alloc, align, tag);
}
void operator_new_delete_array(size_t size, std::align_val_t align, const std::nothrow_t &tag) {
void *alloc = operator new[](size, align, tag);
assert(alloc != nullptr);
assert(reinterpret_cast<uintptr_t>(alloc) % static_cast<uintptr_t>(align) == 0);
assert(__sanitizer_get_allocated_size(alloc) >= size);
operator delete[](alloc, align, tag);
}
void operator_new_delete(size_t size, void *ptr) {
void *alloc = operator new(size, ptr);
assert(alloc == ptr);
operator delete(alloc, ptr);
}
void operator_new_delete_array(size_t size, void *ptr) {
void *alloc = operator new[](size, ptr);
assert(alloc == ptr);
operator delete[](alloc, ptr);
}
int main() {
__hwasan_enable_allocator_tagging();
size_t volatile n = 0;
char *a1 = new char[n];
assert(a1 != nullptr);
assert(__sanitizer_get_allocated_size(a1) == 1);
delete[] a1;
constexpr size_t kSize = 8;
operator_new_delete(kSize);
operator_new_delete_array(kSize);
operator_new_delete(kSize, std::nothrow);
operator_new_delete_array(kSize, std::nothrow);
char buffer[kSize];
operator_new_delete(kSize, buffer);
operator_new_delete_array(kSize, buffer);
#if defined(__cpp_aligned_new) && \
(!defined(__GLIBCXX__) || \
(defined(_GLIBCXX_RELEASE) && _GLIBCXX_RELEASE >= 7))
// Aligned new/delete
constexpr auto kAlign = std::align_val_t{8};
void *a2 = ::operator new(4, kAlign);
assert(a2 != nullptr);
assert(reinterpret_cast<uintptr_t>(a2) % static_cast<uintptr_t>(kAlign) == 0);
assert(__sanitizer_get_allocated_size(a2) >= 4);
::operator delete(a2, kAlign);
operator_new_delete(kSize, std::align_val_t{kSize});
operator_new_delete_array(kSize, std::align_val_t{kSize});
operator_new_delete(kSize, std::align_val_t{kSize * 2});
operator_new_delete_array(kSize, std::align_val_t{kSize * 2});
operator_new_delete(kSize, std::align_val_t{kSize}, std::nothrow);
operator_new_delete_array(kSize, std::align_val_t{kSize}, std::nothrow);
operator_new_delete(kSize, std::align_val_t{kSize * 2}, std::nothrow);
operator_new_delete_array(kSize, std::align_val_t{kSize * 2}, std::nothrow);
#endif
}
|
