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
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
|
// Copyright (c) 2009-2021 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 <addrdb.h>
#include <addrman.h>
#include <blockencodings.h>
#include <blockfilter.h>
#include <chain.h>
#include <coins.h>
#include <compressor.h>
#include <consensus/merkle.h>
#include <key.h>
#include <merkleblock.h>
#include <net.h>
#include <netbase.h>
#include <node/utxo_snapshot.h>
#include <primitives/block.h>
#include <protocol.h>
#include <psbt.h>
#include <pubkey.h>
#include <script/keyorigin.h>
#include <streams.h>
#include <undo.h>
#include <version.h>
#include <exception>
#include <optional>
#include <stdexcept>
#include <stdint.h>
#include <unistd.h>
#include <test/fuzz/fuzz.h>
void initialize_deserialize()
{
// Fuzzers using pubkey must hold an ECCVerifyHandle.
static const ECCVerifyHandle verify_handle;
}
#define FUZZ_TARGET_DESERIALIZE(name, code) \
FUZZ_TARGET_INIT(name, initialize_deserialize) \
{ \
try { \
code \
} catch (const invalid_fuzzing_input_exception&) { \
} \
}
namespace {
struct invalid_fuzzing_input_exception : public std::exception {
};
template <typename T>
CDataStream Serialize(const T& obj, const int version = INIT_PROTO_VERSION)
{
CDataStream ds(SER_NETWORK, version);
ds << obj;
return ds;
}
template <typename T>
T Deserialize(CDataStream ds)
{
T obj;
ds >> obj;
return obj;
}
template <typename T>
void DeserializeFromFuzzingInput(FuzzBufferType buffer, T& obj, const std::optional<int> protocol_version = std::nullopt)
{
CDataStream ds(buffer, SER_NETWORK, INIT_PROTO_VERSION);
if (protocol_version) {
ds.SetVersion(*protocol_version);
} else {
try {
int version;
ds >> version;
ds.SetVersion(version);
} catch (const std::ios_base::failure&) {
throw invalid_fuzzing_input_exception();
}
}
try {
ds >> obj;
} catch (const std::ios_base::failure&) {
throw invalid_fuzzing_input_exception();
}
assert(buffer.empty() || !Serialize(obj).empty());
}
template <typename T>
void AssertEqualAfterSerializeDeserialize(const T& obj, const int version = INIT_PROTO_VERSION)
{
assert(Deserialize<T>(Serialize(obj, version)) == obj);
}
} // namespace
FUZZ_TARGET_DESERIALIZE(block_filter_deserialize, {
BlockFilter block_filter;
DeserializeFromFuzzingInput(buffer, block_filter);
})
FUZZ_TARGET_DESERIALIZE(addr_info_deserialize, {
CAddrInfo addr_info;
DeserializeFromFuzzingInput(buffer, addr_info);
})
FUZZ_TARGET_DESERIALIZE(block_file_info_deserialize, {
CBlockFileInfo block_file_info;
DeserializeFromFuzzingInput(buffer, block_file_info);
})
FUZZ_TARGET_DESERIALIZE(block_header_and_short_txids_deserialize, {
CBlockHeaderAndShortTxIDs block_header_and_short_txids;
DeserializeFromFuzzingInput(buffer, block_header_and_short_txids);
})
FUZZ_TARGET_DESERIALIZE(fee_rate_deserialize, {
CFeeRate fee_rate;
DeserializeFromFuzzingInput(buffer, fee_rate);
AssertEqualAfterSerializeDeserialize(fee_rate);
})
FUZZ_TARGET_DESERIALIZE(merkle_block_deserialize, {
CMerkleBlock merkle_block;
DeserializeFromFuzzingInput(buffer, merkle_block);
})
FUZZ_TARGET_DESERIALIZE(out_point_deserialize, {
COutPoint out_point;
DeserializeFromFuzzingInput(buffer, out_point);
AssertEqualAfterSerializeDeserialize(out_point);
})
FUZZ_TARGET_DESERIALIZE(partial_merkle_tree_deserialize, {
CPartialMerkleTree partial_merkle_tree;
DeserializeFromFuzzingInput(buffer, partial_merkle_tree);
})
FUZZ_TARGET_DESERIALIZE(pub_key_deserialize, {
CPubKey pub_key;
DeserializeFromFuzzingInput(buffer, pub_key);
// TODO: The following equivalence should hold for CPubKey? Fix.
// AssertEqualAfterSerializeDeserialize(pub_key);
})
FUZZ_TARGET_DESERIALIZE(script_deserialize, {
CScript script;
DeserializeFromFuzzingInput(buffer, script);
})
FUZZ_TARGET_DESERIALIZE(sub_net_deserialize, {
CSubNet sub_net_1;
DeserializeFromFuzzingInput(buffer, sub_net_1, INIT_PROTO_VERSION);
AssertEqualAfterSerializeDeserialize(sub_net_1, INIT_PROTO_VERSION);
CSubNet sub_net_2;
DeserializeFromFuzzingInput(buffer, sub_net_2, INIT_PROTO_VERSION | ADDRV2_FORMAT);
AssertEqualAfterSerializeDeserialize(sub_net_2, INIT_PROTO_VERSION | ADDRV2_FORMAT);
CSubNet sub_net_3;
DeserializeFromFuzzingInput(buffer, sub_net_3);
AssertEqualAfterSerializeDeserialize(sub_net_3, INIT_PROTO_VERSION | ADDRV2_FORMAT);
})
FUZZ_TARGET_DESERIALIZE(tx_in_deserialize, {
CTxIn tx_in;
DeserializeFromFuzzingInput(buffer, tx_in);
AssertEqualAfterSerializeDeserialize(tx_in);
})
FUZZ_TARGET_DESERIALIZE(flat_file_pos_deserialize, {
FlatFilePos flat_file_pos;
DeserializeFromFuzzingInput(buffer, flat_file_pos);
AssertEqualAfterSerializeDeserialize(flat_file_pos);
})
FUZZ_TARGET_DESERIALIZE(key_origin_info_deserialize, {
KeyOriginInfo key_origin_info;
DeserializeFromFuzzingInput(buffer, key_origin_info);
AssertEqualAfterSerializeDeserialize(key_origin_info);
})
FUZZ_TARGET_DESERIALIZE(partially_signed_transaction_deserialize, {
PartiallySignedTransaction partially_signed_transaction;
DeserializeFromFuzzingInput(buffer, partially_signed_transaction);
})
FUZZ_TARGET_DESERIALIZE(prefilled_transaction_deserialize, {
PrefilledTransaction prefilled_transaction;
DeserializeFromFuzzingInput(buffer, prefilled_transaction);
})
FUZZ_TARGET_DESERIALIZE(psbt_input_deserialize, {
PSBTInput psbt_input;
DeserializeFromFuzzingInput(buffer, psbt_input);
})
FUZZ_TARGET_DESERIALIZE(psbt_output_deserialize, {
PSBTOutput psbt_output;
DeserializeFromFuzzingInput(buffer, psbt_output);
})
FUZZ_TARGET_DESERIALIZE(block_deserialize, {
CBlock block;
DeserializeFromFuzzingInput(buffer, block);
})
FUZZ_TARGET_DESERIALIZE(blocklocator_deserialize, {
CBlockLocator bl;
DeserializeFromFuzzingInput(buffer, bl);
})
FUZZ_TARGET_DESERIALIZE(blockmerkleroot, {
CBlock block;
DeserializeFromFuzzingInput(buffer, block);
bool mutated;
BlockMerkleRoot(block, &mutated);
})
FUZZ_TARGET_DESERIALIZE(addrman_deserialize, {
CAddrMan am;
DeserializeFromFuzzingInput(buffer, am);
})
FUZZ_TARGET_DESERIALIZE(blockheader_deserialize, {
CBlockHeader bh;
DeserializeFromFuzzingInput(buffer, bh);
})
FUZZ_TARGET_DESERIALIZE(banentry_deserialize, {
CBanEntry be;
DeserializeFromFuzzingInput(buffer, be);
})
FUZZ_TARGET_DESERIALIZE(txundo_deserialize, {
CTxUndo tu;
DeserializeFromFuzzingInput(buffer, tu);
})
FUZZ_TARGET_DESERIALIZE(blockundo_deserialize, {
CBlockUndo bu;
DeserializeFromFuzzingInput(buffer, bu);
})
FUZZ_TARGET_DESERIALIZE(coins_deserialize, {
Coin coin;
DeserializeFromFuzzingInput(buffer, coin);
})
FUZZ_TARGET_DESERIALIZE(netaddr_deserialize, {
CNetAddr na;
DeserializeFromFuzzingInput(buffer, na);
if (na.IsAddrV1Compatible()) {
AssertEqualAfterSerializeDeserialize(na);
}
AssertEqualAfterSerializeDeserialize(na, INIT_PROTO_VERSION | ADDRV2_FORMAT);
})
FUZZ_TARGET_DESERIALIZE(service_deserialize, {
CService s;
DeserializeFromFuzzingInput(buffer, s);
if (s.IsAddrV1Compatible()) {
AssertEqualAfterSerializeDeserialize(s);
}
AssertEqualAfterSerializeDeserialize(s, INIT_PROTO_VERSION | ADDRV2_FORMAT);
CService s1;
DeserializeFromFuzzingInput(buffer, s1, INIT_PROTO_VERSION);
AssertEqualAfterSerializeDeserialize(s1, INIT_PROTO_VERSION);
assert(s1.IsAddrV1Compatible());
CService s2;
DeserializeFromFuzzingInput(buffer, s2, INIT_PROTO_VERSION | ADDRV2_FORMAT);
AssertEqualAfterSerializeDeserialize(s2, INIT_PROTO_VERSION | ADDRV2_FORMAT);
})
FUZZ_TARGET_DESERIALIZE(messageheader_deserialize, {
CMessageHeader mh;
DeserializeFromFuzzingInput(buffer, mh);
(void)mh.IsCommandValid();
})
FUZZ_TARGET_DESERIALIZE(address_deserialize, {
CAddress a;
DeserializeFromFuzzingInput(buffer, a);
})
FUZZ_TARGET_DESERIALIZE(inv_deserialize, {
CInv i;
DeserializeFromFuzzingInput(buffer, i);
})
FUZZ_TARGET_DESERIALIZE(bloomfilter_deserialize, {
CBloomFilter bf;
DeserializeFromFuzzingInput(buffer, bf);
})
FUZZ_TARGET_DESERIALIZE(diskblockindex_deserialize, {
CDiskBlockIndex dbi;
DeserializeFromFuzzingInput(buffer, dbi);
})
FUZZ_TARGET_DESERIALIZE(txoutcompressor_deserialize, {
CTxOut to;
auto toc = Using<TxOutCompression>(to);
DeserializeFromFuzzingInput(buffer, toc);
})
FUZZ_TARGET_DESERIALIZE(blocktransactions_deserialize, {
BlockTransactions bt;
DeserializeFromFuzzingInput(buffer, bt);
})
FUZZ_TARGET_DESERIALIZE(blocktransactionsrequest_deserialize, {
BlockTransactionsRequest btr;
DeserializeFromFuzzingInput(buffer, btr);
})
FUZZ_TARGET_DESERIALIZE(snapshotmetadata_deserialize, {
SnapshotMetadata snapshot_metadata;
DeserializeFromFuzzingInput(buffer, snapshot_metadata);
})
FUZZ_TARGET_DESERIALIZE(uint160_deserialize, {
uint160 u160;
DeserializeFromFuzzingInput(buffer, u160);
AssertEqualAfterSerializeDeserialize(u160);
})
FUZZ_TARGET_DESERIALIZE(uint256_deserialize, {
uint256 u256;
DeserializeFromFuzzingInput(buffer, u256);
AssertEqualAfterSerializeDeserialize(u256);
})
// Classes intentionally not covered in this file since their deserialization code is
// fuzzed elsewhere:
// * Deserialization of CTxOut is fuzzed in test/fuzz/tx_out.cpp
// * Deserialization of CMutableTransaction is fuzzed in src/test/fuzz/transaction.cpp
|
