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
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
|
// Copyright (c) 2019-2022 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#include <arith_uint256.h>
#include <common/args.h>
#include <common/system.h>
#include <compressor.h>
#include <consensus/amount.h>
#include <consensus/merkle.h>
#include <core_io.h>
#include <crypto/common.h>
#include <crypto/siphash.h>
#include <key_io.h>
#include <memusage.h>
#include <netbase.h>
#include <policy/policy.h>
#include <policy/settings.h>
#include <pow.h>
#include <protocol.h>
#include <pubkey.h>
#include <script/script.h>
#include <serialize.h>
#include <streams.h>
#include <test/fuzz/FuzzedDataProvider.h>
#include <test/fuzz/fuzz.h>
#include <test/fuzz/util.h>
#include <uint256.h>
#include <univalue.h>
#include <util/chaintype.h>
#include <util/check.h>
#include <util/moneystr.h>
#include <util/overflow.h>
#include <util/strencodings.h>
#include <util/string.h>
#include <cassert>
#include <chrono>
#include <limits>
#include <set>
#include <vector>
using util::ToString;
void initialize_integer()
{
SelectParams(ChainType::REGTEST);
}
FUZZ_TARGET(integer, .init = initialize_integer)
{
if (buffer.size() < sizeof(uint256) + sizeof(uint160)) {
return;
}
FuzzedDataProvider fuzzed_data_provider(buffer.data(), buffer.size());
const uint256 u256(fuzzed_data_provider.ConsumeBytes<unsigned char>(sizeof(uint256)));
const uint160 u160(fuzzed_data_provider.ConsumeBytes<unsigned char>(sizeof(uint160)));
const uint64_t u64 = fuzzed_data_provider.ConsumeIntegral<uint64_t>();
const int64_t i64 = fuzzed_data_provider.ConsumeIntegral<int64_t>();
const uint32_t u32 = fuzzed_data_provider.ConsumeIntegral<uint32_t>();
const int32_t i32 = fuzzed_data_provider.ConsumeIntegral<int32_t>();
const uint16_t u16 = fuzzed_data_provider.ConsumeIntegral<uint16_t>();
const int16_t i16 = fuzzed_data_provider.ConsumeIntegral<int16_t>();
const uint8_t u8 = fuzzed_data_provider.ConsumeIntegral<uint8_t>();
const int8_t i8 = fuzzed_data_provider.ConsumeIntegral<int8_t>();
// We cannot assume a specific value of std::is_signed<char>::value:
// ConsumeIntegral<char>() instead of casting from {u,}int8_t.
const char ch = fuzzed_data_provider.ConsumeIntegral<char>();
const bool b = fuzzed_data_provider.ConsumeBool();
const Consensus::Params& consensus_params = Params().GetConsensus();
(void)CheckProofOfWork(u256, u32, consensus_params);
if (u64 <= MAX_MONEY) {
const uint64_t compressed_money_amount = CompressAmount(u64);
assert(u64 == DecompressAmount(compressed_money_amount));
static const uint64_t compressed_money_amount_max = CompressAmount(MAX_MONEY - 1);
assert(compressed_money_amount <= compressed_money_amount_max);
} else {
(void)CompressAmount(u64);
}
constexpr uint256 u256_min{"0000000000000000000000000000000000000000000000000000000000000000"};
constexpr uint256 u256_max{"ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff"};
const std::vector<uint256> v256{u256, u256_min, u256_max};
(void)ComputeMerkleRoot(v256);
(void)DecompressAmount(u64);
{
if (std::optional<CAmount> parsed = ParseMoney(FormatMoney(i64))) {
assert(parsed.value() == i64);
}
}
(void)GetSizeOfCompactSize(u64);
(void)GetSpecialScriptSize(u32);
if (!MultiplicationOverflow(i64, static_cast<int64_t>(u32)) && !AdditionOverflow(i64, static_cast<int64_t>(4)) && !AdditionOverflow(i64 * u32, static_cast<int64_t>(4))) {
(void)GetVirtualTransactionSize(i64, i64, u32);
}
(void)HexDigit(ch);
(void)MoneyRange(i64);
(void)ToString(i64);
(void)IsDigit(ch);
(void)IsSpace(ch);
(void)IsSwitchChar(ch);
(void)memusage::DynamicUsage(ch);
(void)memusage::DynamicUsage(i16);
(void)memusage::DynamicUsage(i32);
(void)memusage::DynamicUsage(i64);
(void)memusage::DynamicUsage(i8);
(void)memusage::DynamicUsage(u16);
(void)memusage::DynamicUsage(u32);
(void)memusage::DynamicUsage(u64);
(void)memusage::DynamicUsage(u8);
const unsigned char uch = static_cast<unsigned char>(u8);
(void)memusage::DynamicUsage(uch);
{
const std::set<int64_t> i64s{i64, static_cast<int64_t>(u64)};
const size_t dynamic_usage = memusage::DynamicUsage(i64s);
const size_t incremental_dynamic_usage = memusage::IncrementalDynamicUsage(i64s);
assert(dynamic_usage == incremental_dynamic_usage * i64s.size());
}
(void)MillisToTimeval(i64);
(void)SighashToStr(uch);
(void)SipHashUint256(u64, u64, u256);
(void)SipHashUint256Extra(u64, u64, u256, u32);
(void)ToLower(ch);
(void)ToUpper(ch);
{
if (std::optional<CAmount> parsed = ParseMoney(ValueFromAmount(i64).getValStr())) {
assert(parsed.value() == i64);
}
}
if (i32 >= 0 && i32 <= 16) {
assert(i32 == CScript::DecodeOP_N(CScript::EncodeOP_N(i32)));
}
const std::chrono::seconds seconds{i64};
assert(count_seconds(seconds) == i64);
const CScriptNum script_num{i64};
(void)script_num.getint();
(void)script_num.getvch();
const arith_uint256 au256 = UintToArith256(u256);
assert(ArithToUint256(au256) == u256);
assert(uint256S(au256.GetHex()) == u256);
(void)au256.bits();
(void)au256.GetCompact(/* fNegative= */ false);
(void)au256.GetCompact(/* fNegative= */ true);
(void)au256.getdouble();
(void)au256.GetHex();
(void)au256.GetLow64();
(void)au256.size();
(void)au256.ToString();
const CKeyID key_id{u160};
const CScriptID script_id{u160};
{
DataStream stream{};
uint256 deserialized_u256;
stream << u256;
stream >> deserialized_u256;
assert(u256 == deserialized_u256 && stream.empty());
uint160 deserialized_u160;
stream << u160;
stream >> deserialized_u160;
assert(u160 == deserialized_u160 && stream.empty());
uint64_t deserialized_u64;
stream << u64;
stream >> deserialized_u64;
assert(u64 == deserialized_u64 && stream.empty());
int64_t deserialized_i64;
stream << i64;
stream >> deserialized_i64;
assert(i64 == deserialized_i64 && stream.empty());
uint32_t deserialized_u32;
stream << u32;
stream >> deserialized_u32;
assert(u32 == deserialized_u32 && stream.empty());
int32_t deserialized_i32;
stream << i32;
stream >> deserialized_i32;
assert(i32 == deserialized_i32 && stream.empty());
uint16_t deserialized_u16;
stream << u16;
stream >> deserialized_u16;
assert(u16 == deserialized_u16 && stream.empty());
int16_t deserialized_i16;
stream << i16;
stream >> deserialized_i16;
assert(i16 == deserialized_i16 && stream.empty());
uint8_t deserialized_u8;
stream << u8;
stream >> deserialized_u8;
assert(u8 == deserialized_u8 && stream.empty());
int8_t deserialized_i8;
stream << i8;
stream >> deserialized_i8;
assert(i8 == deserialized_i8 && stream.empty());
bool deserialized_b;
stream << b;
stream >> deserialized_b;
assert(b == deserialized_b && stream.empty());
}
{
const ServiceFlags service_flags = (ServiceFlags)u64;
(void)MayHaveUsefulAddressDB(service_flags);
}
{
DataStream stream{};
ser_writedata64(stream, u64);
const uint64_t deserialized_u64 = ser_readdata64(stream);
assert(u64 == deserialized_u64 && stream.empty());
ser_writedata32(stream, u32);
const uint32_t deserialized_u32 = ser_readdata32(stream);
assert(u32 == deserialized_u32 && stream.empty());
ser_writedata32be(stream, u32);
const uint32_t deserialized_u32be = ser_readdata32be(stream);
assert(u32 == deserialized_u32be && stream.empty());
ser_writedata16(stream, u16);
const uint16_t deserialized_u16 = ser_readdata16(stream);
assert(u16 == deserialized_u16 && stream.empty());
ser_writedata16be(stream, u16);
const uint16_t deserialized_u16be = ser_readdata16be(stream);
assert(u16 == deserialized_u16be && stream.empty());
ser_writedata8(stream, u8);
const uint8_t deserialized_u8 = ser_readdata8(stream);
assert(u8 == deserialized_u8 && stream.empty());
}
{
DataStream stream{};
WriteCompactSize(stream, u64);
try {
const uint64_t deserialized_u64 = ReadCompactSize(stream);
assert(u64 == deserialized_u64 && stream.empty());
} catch (const std::ios_base::failure&) {
}
}
try {
CHECK_NONFATAL(b);
} catch (const NonFatalCheckError&) {
}
}
|
