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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.

5,179 bytes · SHA-256 d7c7eb107b2c9542… · View upstream ↗

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 <addrman.h>
6#include <banman.h>
7#include <kernel/chainparams.h>
8#include <net.h>
9#include <net_processing.h>
10#include <primitives/block.h>
11#include <primitives/transaction.h>
12#include <protocol.h>
13#include <sync.h>
14#include <test/fuzz/FuzzedDataProvider.h>
15#include <test/fuzz/fuzz.h>
16#include <test/fuzz/util.h>
17#include <test/fuzz/util/net.h>
18#include <test/util/net.h>
19#include <test/util/random.h>
20#include <test/util/setup_common.h>
21#include <test/util/time.h>
22#include <test/util/validation.h>
23#include <uint256.h>
24#include <util/check.h>
25#include <util/time.h>
26#include <validation.h>
27#include <validationinterface.h>
28
29#include <algorithm>
30#include <array>
31#include <cstdlib>
32#include <functional>
33#include <iostream>
34#include <memory>
35#include <optional>
36#include <string>
37#include <string_view>
38#include <utility>
39#include <vector>
40
41namespace {
42TestingSetup* g_setup;
43std::string_view LIMIT_TO_MESSAGE_TYPE{};
44
45} // namespace
46
47extern void MakeRandDeterministicDANGEROUS(const uint256& seed) noexcept;
48
49void initialize_process_message()
50{
51    FakeNodeClock init_clock{}; // Uses the existing mock time
52    if (const auto val{std::getenv("LIMIT_TO_MESSAGE_TYPE")}) {
53        LIMIT_TO_MESSAGE_TYPE = val;
54        Assert(std::count(ALL_NET_MESSAGE_TYPES.begin(), ALL_NET_MESSAGE_TYPES.end(), LIMIT_TO_MESSAGE_TYPE)); // Unknown message type passed
55    }
56
57    static const auto testing_setup{
58        MakeNoLogFileContext<TestingSetup>(
59            /*chain_type=*/ChainType::REGTEST,
60            {}),
61    };
62    g_setup = testing_setup.get();
63    ResetChainmanAndMempool(*g_setup, init_clock);
64}
65
66FUZZ_TARGET(process_message, .init = initialize_process_message)
67{
68    SeedRandomStateForTest(SeedRand::ZEROS);
69    FuzzedDataProvider fuzzed_data_provider(buffer.data(), buffer.size());
70
71    auto& node{g_setup->m_node};
72    auto& connman{static_cast<ConnmanTestMsg&>(*node.connman)};
73    connman.Reset();
74    auto& chainman{static_cast<TestChainstateManager&>(*node.chainman)};
75    const auto block_index_size{WITH_LOCK(chainman.GetMutex(), return chainman.BlockIndex().size())};
76    const auto initial_sequence{WITH_LOCK(node.mempool->cs, return node.mempool->GetSequence())};
77    FakeNodeClock node_clock{1610000000s}; // 2021-01-07, arbitrary
78    FakeSteadyClock steady_clock;
79    chainman.ResetIbd();
80    chainman.DisableNextWrite();
81
82    // Reset, so that dangling pointers can be detected by sanitizers.
83    node.banman.reset();
84    node.addrman.reset();
85    node.peerman.reset();
86    node.addrman = std::make_unique<AddrMan>(*node.netgroupman, /*deterministic=*/true, /*consistency_check_ratio=*/0);
87    node.peerman = PeerManager::make(connman, *node.addrman,
88                                     /*banman=*/nullptr, chainman,
89                                     *node.mempool, *node.warnings,
90                                     PeerManager::Options{
91                                         .reconcile_txs = true,
92                                         .deterministic_rng = true,
93                                     });
94
95    connman.SetMsgProc(node.peerman.get());
96    connman.SetAddrman(*node.addrman);
97    LOCK(NetEventsInterface::g_msgproc_mutex);
98
99    const std::string random_message_type{fuzzed_data_provider.ConsumeBytesAsString(CMessageHeader::MESSAGE_TYPE_SIZE).c_str()};
100    if (!LIMIT_TO_MESSAGE_TYPE.empty() && random_message_type != LIMIT_TO_MESSAGE_TYPE) {
101        return;
102    }
103
104    node.validation_signals->RegisterValidationInterface(node.peerman.get());
105
106    CNode& p2p_node = *ConsumeNodeAsUniquePtr(fuzzed_data_provider, steady_clock).release();
107
108    connman.AddTestNode(p2p_node);
109    FillNode(fuzzed_data_provider, connman, p2p_node);
110
111    node_clock.set(ConsumeTime(fuzzed_data_provider));
112
113    CSerializedNetMsg net_msg;
114    net_msg.m_type = random_message_type;
115    net_msg.data = ConsumeRandomLengthByteVector(fuzzed_data_provider, MAX_PROTOCOL_MESSAGE_LENGTH);
116
117    connman.FlushSendBuffer(p2p_node);
118    (void)connman.ReceiveMsgFrom(p2p_node, std::move(net_msg));
119
120    if (fuzzed_data_provider.ConsumeBool()) {
121        chainman.JumpOutOfIbd();
122    }
123
124    bool more_work{true};
125    while (more_work) {
126        p2p_node.fPauseSend = false;
127        try {
128            more_work = connman.ProcessMessagesOnce(p2p_node);
129        } catch (const std::ios_base::failure&) {
130        }
131        node.peerman->SendMessages(p2p_node);
132    }
133    node.validation_signals->SyncWithValidationInterfaceQueue();
134    node.validation_signals->UnregisterValidationInterface(node.peerman.get());
135    node.connman->StopNodes();
136    const auto end_sequence{WITH_LOCK(node.mempool->cs, return node.mempool->GetSequence())};
137    if (block_index_size != WITH_LOCK(chainman.GetMutex(), return chainman.BlockIndex().size()) || initial_sequence != end_sequence) {
138        // Reuse the global chainman and mempool, but reset them when dirty.
139        MakeRandDeterministicDANGEROUS(uint256::ZERO);
140        ResetChainmanAndMempool(*g_setup, node_clock);
141    }
142}
143

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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