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Stable release v32.1bitcoin/bitcoin · f0de87f04062 ↗3,020 source files · 47.5 MB stored on the server440 file guides

Release published 2026-10-28 · Snapshot fetched 2026-11-01. Latest stable release at fetch time; development branches and Git history are excluded. Only the selected code window and visible folders load here.

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1// Copyright (c) 2020-present The Bitcoin Core developers
2// Distributed under the MIT software license, see the accompanying
3// file COPYING or http://www.opensource.org/licenses/mit-license.php.
4
5#include <blockfilter.h>
6#include <clientversion.h>
7#include <common/args.h>
8#include <common/license_info.h>
9#include <common/messages.h>
10#include <common/settings.h>
11#include <common/system.h>
12#include <common/url.h>
13#include <netbase.h>
14#include <outputtype.h>
15#include <rpc/client.h>
16#include <rpc/request.h>
17#include <rpc/server.h>
18#include <rpc/util.h>
19#include <script/descriptor.h>
20#include <script/script.h>
21#include <serialize.h>
22#include <streams.h>
23#include <test/fuzz/FuzzedDataProvider.h>
24#include <test/fuzz/fuzz.h>
25#include <test/fuzz/util.h>
26#include <util/fees.h>
27#include <util/strencodings.h>
28#include <util/string.h>
29#include <util/translation.h>
30
31#include <cassert>
32#include <cstdint>
33#include <cstdlib>
34#include <ios>
35#include <stdexcept>
36#include <string>
37#include <vector>
38
39using common::AmountErrMsg;
40using common::AmountHighWarn;
41using common::FeeModeFromString;
42using common::ResolveErrMsg;
43using util::ContainsNUL;
44using util::Join;
45using util::RemovePrefix;
46using util::SplitString;
47using util::TrimString;
48
49FUZZ_TARGET(string)
50{
51    FuzzedDataProvider fuzzed_data_provider(buffer.data(), buffer.size());
52    const std::string random_string_1 = fuzzed_data_provider.ConsumeRandomLengthString(32);
53    const std::string random_string_2 = fuzzed_data_provider.ConsumeRandomLengthString(32);
54    const std::vector<std::string> random_string_vector = ConsumeRandomLengthStringVector(fuzzed_data_provider);
55
56    (void)AmountErrMsg(random_string_1, random_string_2);
57    (void)AmountHighWarn(random_string_1);
58    BlockFilterType block_filter_type;
59    (void)BlockFilterTypeByName(random_string_1, block_filter_type);
60    (void)Capitalize(random_string_1);
61    (void)CopyrightHolders(random_string_1);
62    FeeEstimateMode fee_estimate_mode;
63    (void)FeeModeFromString(random_string_1, fee_estimate_mode);
64    const auto width{fuzzed_data_provider.ConsumeIntegralInRange<size_t>(1, 1000)};
65    (void)FormatParagraph(random_string_1, width, fuzzed_data_provider.ConsumeIntegralInRange<size_t>(0, width));
66    (void)FormatSubVersion(random_string_1, fuzzed_data_provider.ConsumeIntegral<int>(), random_string_vector);
67    (void)HelpExampleCli(random_string_1, random_string_2);
68    (void)HelpExampleRpc(random_string_1, random_string_2);
69    (void)HelpMessageGroup(random_string_1);
70    (void)HelpMessageOpt(random_string_1, "", random_string_2);
71    (void)HelpMessageOpt(random_string_1, random_string_2, "");
72    (void)IsDeprecatedRPCEnabled(random_string_1);
73    (void)Join(random_string_vector, random_string_1);
74    (void)JSONRPCError(fuzzed_data_provider.ConsumeIntegral<int>(), random_string_1);
75    const common::Settings settings;
76    (void)OnlyHasDefaultSectionSetting(settings, random_string_1, random_string_2);
77    (void)ParseNetwork(random_string_1);
78    (void)ParseOutputType(random_string_1);
79    (void)RemovePrefix(random_string_1, random_string_2);
80    (void)ResolveErrMsg(random_string_1, random_string_2);
81    try {
82        (void)RPCConvertNamedValues(random_string_1, random_string_vector);
83    } catch (const std::runtime_error&) {
84    }
85    try {
86        (void)RPCConvertValues(random_string_1, random_string_vector);
87    } catch (const std::runtime_error&) {
88    }
89    (void)SanitizeString(random_string_1);
90    (void)SanitizeString(random_string_1, fuzzed_data_provider.ConsumeIntegralInRange<int>(0, 3));
91#ifndef WIN32
92    (void)ShellEscape(random_string_1);
93#endif // WIN32
94    uint16_t port_out;
95    std::string host_out;
96    SplitHostPort(random_string_1, port_out, host_out);
97    (void)TimingResistantEqual(random_string_1, random_string_2);
98    (void)ToLower(random_string_1);
99    (void)ToUpper(random_string_1);
100    (void)TrimString(random_string_1);
101    (void)TrimString(random_string_1, random_string_2);
102    (void)UrlDecode(random_string_1);
103    (void)ContainsNUL(random_string_1);
104    try {
105        throw scriptnum_error{random_string_1};
106    } catch (const std::runtime_error&) {
107    }
108
109    {
110        DataStream data_stream{};
111        std::string s;
112        auto limited_string = LIMITED_STRING(s, 10);
113        data_stream << random_string_1;
114        try {
115            data_stream >> limited_string;
116            assert(data_stream.empty());
117            assert(s.size() <= random_string_1.size());
118            assert(s.size() <= 10);
119            if (!random_string_1.empty()) {
120                assert(!s.empty());
121            }
122        } catch (const std::ios_base::failure&) {
123        }
124    }
125    {
126        DataStream data_stream{};
127        const auto limited_string = LIMITED_STRING(random_string_1, 10);
128        data_stream << limited_string;
129        std::string deserialized_string;
130        data_stream >> deserialized_string;
131        assert(data_stream.empty());
132        assert(deserialized_string == random_string_1);
133    }
134    {
135        int64_t amount_out;
136        (void)ParseFixedPoint(random_string_1, fuzzed_data_provider.ConsumeIntegralInRange<int>(0, 1024), &amount_out);
137    }
138    {
139        const auto single_split{SplitString(random_string_1, fuzzed_data_provider.ConsumeIntegral<char>())};
140        assert(single_split.size() >= 1);
141        const auto any_split{SplitString(random_string_1, random_string_2)};
142        assert(any_split.size() >= 1);
143    }
144    {
145        (void)Untranslated(random_string_1);
146        const bilingual_str bs1{random_string_1, random_string_2};
147        const bilingual_str bs2{random_string_2, random_string_1};
148        (void)(bs1 + bs2);
149    }
150    {
151        const ByteUnit all_units[] = {
152            ByteUnit::NOOP,
153            ByteUnit::k,
154            ByteUnit::K,
155            ByteUnit::m,
156            ByteUnit::M,
157            ByteUnit::g,
158            ByteUnit::G,
159            ByteUnit::t,
160            ByteUnit::T
161        };
162        ByteUnit default_multiplier = fuzzed_data_provider.PickValueInArray(all_units);
163        (void)ParseByteUnits(random_string_1, default_multiplier);
164    }
165}
166

src/wallet/receive.cpp

src/wallet/coinselection.cpp

src/consensus/validation.h

src/primitives/transaction.cpp

src/script/descriptor.cpp

src/bitcoin-cli.cpp

src/rpc/blockchain.cpp

src/rpc/rawtransaction.cpp

src/init.cpp

src/crypto/sha256.cpp

src/consensus/merkle.h

src/consensus/tx_check.h

src/consensus/tx_verify.h

src/policy/feerate.h

src/policy/feerate.cpp

src/primitives/transaction_identifier.h

src/chainparamsbase.h

src/chainparamsbase.cpp

src/util/moneystr.cpp

src/crypto/ripemd160.h

src/crypto/sha1.h

src/crypto/sha512.h

src/crypto/hmac_sha256.h

src/crypto/hmac_sha512.h

src/crypto/hmac_sha256.cpp

src/crypto/hmac_sha512.cpp

src/crypto/hkdf_sha256_32.h

src/crypto/hkdf_sha256_32.cpp

src/support/cleanse.h

src/support/cleanse.cpp

src/crypto/siphash.cpp

src/crypto/muhash.h

src/crypto/chacha20.h

src/crypto/poly1305.h

src/crypto/chacha20poly1305.h

src/crypto/chacha20poly1305.cpp

src/util/chaintype.cpp

src/util/obfuscation.h

src/util/byte_units.h

src/util/overflow.h

src/blockencodings.cpp

src/net_permissions.cpp

src/policy/packages.cpp

src/policy/rbf.cpp

src/policy/truc_policy.cpp

src/policy/ephemeral_policy.cpp

src/policy/settings.cpp

src/policy/policy.cpp

src/node/transaction.cpp

src/node/coin.cpp

src/rpc/client.cpp

src/rpc/external_signer.cpp

src/rpc/request.cpp

src/rpc/server_util.cpp

src/rpc/fees.cpp

src/rpc/output_script.cpp

src/rpc/rawtransaction_util.cpp

src/rpc/rawtransaction_util.h

src/rpc/register.h

src/rpc/request.h

src/rpc/server_util.h

src/rpc/protocol.h

src/rpc/server.h

src/rpc/signmessage.cpp

src/rpc/txoutproof.cpp

src/rpc/util.cpp

src/rpc/util.h

src/wallet/rpc/addresses.cpp

src/wallet/rpc/backup.cpp

src/wallet/rpc/coins.cpp

src/wallet/rpc/encrypt.cpp

src/wallet/rpc/signmessage.cpp

src/wallet/rpc/util.cpp

src/wallet/rpc/util.h

src/wallet/coincontrol.cpp

src/wallet/coincontrol.h

src/wallet/context.cpp

src/wallet/context.h

src/wallet/crypter.cpp

src/wallet/crypter.h

src/wallet/db.cpp

src/wallet/export.cpp

src/wallet/external_signer_scriptpubkeyman.cpp

src/wallet/rpc/spend.cpp

src/wallet/rpc/transactions.cpp

src/wallet/rpc/wallet.cpp

src/wallet/feebumper.cpp

src/wallet/feebumper.h

src/index/base.h

src/index/base.cpp

src/index/txindex.h

src/index/txindex.cpp

src/index/txindex_key.h

src/index/txospenderindex.h

src/index/txospenderindex.cpp

src/index/blockfilterindex.h

src/index/blockfilterindex.cpp

src/index/coinstatsindex.h

src/index/coinstatsindex.cpp

src/index/db_key.h

src/index/disktxpos.h

src/kernel/chain.cpp

src/kernel/chain.h

src/kernel/checks.cpp

src/kernel/checks.h

src/kernel/context.cpp

src/kernel/context.h

src/kernel/cs_main.cpp

src/kernel/cs_main.h

src/kernel/disconnected_transactions.cpp

src/kernel/disconnected_transactions.h

src/kernel/mempool_removal_reason.cpp

src/kernel/mempool_removal_reason.h

src/kernel/coinstats.cpp

src/kernel/coinstats.h

src/kernel/chainparams.cpp

src/kernel/chainparams.h

src/wallet/sqlite.cpp

src/wallet/sqlite.h

src/wallet/transaction.cpp

src/wallet/transaction.h

src/wallet/dump.cpp

src/wallet/dump.h

src/wallet/init.cpp

src/wallet/walletutil.cpp

src/wallet/walletutil.h

src/wallet/wallettool.cpp

src/wallet/wallettool.h

src/wallet/export.h

src/wallet/migrate.cpp

src/wallet/migrate.h

src/wallet/db.h

src/wallet/walletdb.cpp

src/wallet/interfaces.cpp

src/wallet/scriptpubkeyman.cpp

src/wallet/scriptpubkeyman.h

src/kernel/bitcoinkernel.cpp

src/kernel/bitcoinkernel.h

src/kernel/bitcoinkernel_wrapper.h

src/node/chainstate.cpp

src/node/chainstate.h

src/node/blockstorage.cpp

src/node/blockstorage.h

src/node/mempool_persist.cpp

src/node/mempool_persist.h

src/node/utxo_snapshot.cpp

src/node/utxo_snapshot.h

src/node/kernel_notifications.cpp

src/node/kernel_notifications.h

src/node/blockmanager_args.cpp

src/kernel/blockmanager_opts.h

src/util/expected.cpp

src/policy/settings.h

src/util/types.h

src/kernel/messagestartchars.h

src/kernel/warning.h

src/util/exception.h

src/common/license_info.h

src/node/coins_view_args.h

src/node/database_args.h

src/util/batchpriority.h

src/util/ui_change_type.h

src/node/coins_view_args.cpp

src/node/peerman_args.h

src/util/serfloat.h

src/node/blockmanager_args.h

src/node/database_args.cpp

src/util/overloaded.h

src/interfaces/types.h

src/node/chainstatemanager_args.h

src/node/minisketchwrapper.h

src/util/macros.h

src/util/syserror.h

src/common/run_command.h

src/util/bytevectorhash.cpp

src/node/mempool_persist_args.cpp

src/util/exec.h

src/util/rbf.h

src/crypto/hex_base.h

src/node/mempool_persist_args.h

src/interfaces/echo.h

src/util/any.h

src/util/batchpriority.cpp

src/util/threadnames.h

src/node/coin.h

src/node/mempool_args.h

src/util/asmap.h

src/util/bytevectorhash.h

src/node/context.cpp

src/util/insert.h

src/util/readwritefile.h

src/node/peerman_args.cpp

src/node/interface_ui.cpp

src/interfaces/handler.h

src/node/mining_args.h

src/util/hasher.cpp

src/common/init.h

src/kernel/mempool_limits.h

src/common/system.h

src/crypto/sha3.h

src/util/threadinterrupt.cpp

src/node/protocol_version.h

src/util/exception.cpp

src/common/messages.h

src/node/connection_types.cpp

src/util/bip32.h

src/common/license_info.cpp

src/util/stdmutex.h

src/common/run_command.cpp

src/util/check.cpp

src/util/golombrice.h

src/node/types.h

src/node/timeoffsets.h

src/util/readwritefile.cpp

src/util/fastrange.h

src/util/signalinterrupt.h

src/util/task_runner.h

src/util/syserror.cpp

src/common/interfaces.cpp

src/common/types.h

src/util/threadinterrupt.h

src/kernel/chainstatemanager_opts.h

src/node/psbt.h

src/policy/ephemeral_policy.h

src/util/trace.h

src/common/url.cpp

src/kernel/mempool_options.h

src/util/serfloat.cpp

src/kernel/notifications_interface.h

src/node/timeoffsets.cpp

src/node/warnings.cpp

src/util/hash_type.h

src/crypto/hex_base.cpp

src/node/eviction.h

src/util/tokenbucket.h

src/crypto/aes.h

src/common/pcp.h

src/util/feefrac.cpp

src/node/transaction.h

src/util/threadnames.cpp

src/common/signmessage.h

src/util/exec.cpp

src/util/signalinterrupt.cpp

src/clientversion.cpp

src/common/signmessage.cpp

src/compat/assumptions.h

src/compat/byteswap.h

src/deploymentinfo.cpp

src/deploymentinfo.h

src/deploymentstatus.cpp

src/deploymentstatus.h

src/dummywallet.cpp

src/external_signer.h

src/init/bitcoin-gui.cpp

src/init/bitcoin-node.cpp

src/init/bitcoin-qt.cpp

src/init/bitcoin-wallet.cpp

src/init/bitcoind.cpp

src/init/common.h

src/interfaces/init.h

src/interfaces/ipc.h

src/key_io.h

src/logging/categories.h

src/logging/timer.h

src/mapport.h

src/musig.h

src/net_permissions.h

src/netgroup.h

src/netmessagemaker.h

src/node/chainstatemanager_args.cpp

src/node/connection_types.h

src/node/context.h

src/node/interface_ui.h

src/node/mempool_args.cpp

src/node/mining_args.cpp

src/node/minisketchwrapper.cpp

src/node/txreconciliation.h

src/policy/fees/estimator_args.cpp

src/policy/fees/estimator_args.h

src/policy/fees/estimator_man.cpp

src/policy/fees/estimator_man.h

src/policy/packages.h

src/policy/rbf.h

src/policy/truc_policy.h

src/pow.h

src/primitives/block.cpp

src/randomenv.h

src/rest.h

src/script/keyorigin.h

src/script/parsing.cpp

src/script/parsing.h

src/script/script_error.h

src/script/sigcache.cpp

src/script/sigcache.h

src/script/solver.h

src/script/verify_flags.h

src/semaphore_grant.h

src/signet.h

src/span.h

src/support/allocators/secure.h

src/support/allocators/zeroafterfree.h

src/util/tokenpipe.cpp

src/util/translation.h

src/util/vector.h

src/versionbits.h

src/versionbits_impl.h

src/wallet/external_signer_scriptpubkeyman.h

src/wallet/fees.h

src/wallet/load.h

src/wallet/receive.h

src/wallet/rpc/wallet.h

src/wallet/types.h

src/walletinitinterface.h

src/zmq/zmqabstractnotifier.cpp

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