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merge bitcoin#20995: Avoid initializing version to less than MIN_PEER_PROTO_VERSION
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31b7169b3c
commit
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@ -18,6 +18,7 @@ libtest_fuzz_a_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
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libtest_fuzz_a_SOURCES = \
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libtest_fuzz_a_SOURCES = \
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test/fuzz/fuzz.cpp \
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test/fuzz/fuzz.cpp \
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test/util/mining.cpp \
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test/util/mining.cpp \
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test/fuzz/util.cpp \
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$(TEST_FUZZ_H)
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$(TEST_FUZZ_H)
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LIBTEST_FUZZ += $(LIBBITCOIN_SERVER)
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LIBTEST_FUZZ += $(LIBBITCOIN_SERVER)
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@ -67,10 +67,12 @@ void fuzz_target(const std::vector<uint8_t>& buffer, const std::string& LIMIT_TO
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return;
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return;
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}
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}
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CNode& p2p_node = *ConsumeNodeAsUniquePtr(fuzzed_data_provider).release();
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CNode& p2p_node = *ConsumeNodeAsUniquePtr(fuzzed_data_provider).release();
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FillNode(fuzzed_data_provider, p2p_node);
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p2p_node.fSuccessfullyConnected = true;
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const bool successfully_connected{true};
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p2p_node.fSuccessfullyConnected = successfully_connected;
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connman.AddTestNode(p2p_node);
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connman.AddTestNode(p2p_node);
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g_setup->m_node.peerman->InitializeNode(&p2p_node);
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g_setup->m_node.peerman->InitializeNode(&p2p_node);
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FillNode(fuzzed_data_provider, p2p_node, /* init_version */ successfully_connected);
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// fuzzed_data_provider is fully consumed after this call, don't use it
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// fuzzed_data_provider is fully consumed after this call, don't use it
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CDataStream random_bytes_data_stream{fuzzed_data_provider.ConsumeRemainingBytes<unsigned char>(), SER_NETWORK, PROTOCOL_VERSION};
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CDataStream random_bytes_data_stream{fuzzed_data_provider.ConsumeRemainingBytes<unsigned char>(), SER_NETWORK, PROTOCOL_VERSION};
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@ -45,10 +45,11 @@ FUZZ_TARGET_INIT(process_messages, initialize_process_messages)
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peers.push_back(ConsumeNodeAsUniquePtr(fuzzed_data_provider, i).release());
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peers.push_back(ConsumeNodeAsUniquePtr(fuzzed_data_provider, i).release());
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CNode& p2p_node = *peers.back();
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CNode& p2p_node = *peers.back();
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FillNode(fuzzed_data_provider, p2p_node);
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const bool successfully_connected{true};
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p2p_node.fSuccessfullyConnected = true;
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p2p_node.fSuccessfullyConnected = successfully_connected;
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p2p_node.fPauseSend = false;
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p2p_node.fPauseSend = false;
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g_setup->m_node.peerman->InitializeNode(&p2p_node);
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g_setup->m_node.peerman->InitializeNode(&p2p_node);
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FillNode(fuzzed_data_provider, p2p_node, /* init_version */ successfully_connected);
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connman.AddTestNode(p2p_node);
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connman.AddTestNode(p2p_node);
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}
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}
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25
src/test/fuzz/util.cpp
Normal file
25
src/test/fuzz/util.cpp
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@ -0,0 +1,25 @@
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// Copyright (c) 2021 The Bitcoin Core developers
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// Distributed under the MIT software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#include <test/fuzz/util.h>
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#include <version.h>
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void FillNode(FuzzedDataProvider& fuzzed_data_provider, CNode& node, bool init_version) noexcept
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{
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const ServiceFlags remote_services = ConsumeWeakEnum(fuzzed_data_provider, ALL_SERVICE_FLAGS);
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const NetPermissionFlags permission_flags = ConsumeWeakEnum(fuzzed_data_provider, ALL_NET_PERMISSION_FLAGS);
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const int32_t version = fuzzed_data_provider.ConsumeIntegralInRange<int32_t>(MIN_PEER_PROTO_VERSION, std::numeric_limits<int32_t>::max());
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const bool filter_txs = fuzzed_data_provider.ConsumeBool();
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node.nServices = remote_services;
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node.m_permissionFlags = permission_flags;
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if (init_version) {
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node.nVersion = version;
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node.SetSendVersion(std::min(version, PROTOCOL_VERSION));
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}
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if (node.m_tx_relay != nullptr) {
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LOCK(node.m_tx_relay->cs_filter);
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node.m_tx_relay->fRelayTxes = filter_txs;
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}
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}
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@ -316,24 +316,9 @@ auto ConsumeNode(FuzzedDataProvider& fuzzed_data_provider, const std::optional<N
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return CNode{node_id, local_services, socket, address, keyed_net_group, local_host_nonce, addr_bind, addr_name, inbound, block_relay_only};
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return CNode{node_id, local_services, socket, address, keyed_net_group, local_host_nonce, addr_bind, addr_name, inbound, block_relay_only};
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}
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}
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}
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}
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inline std::unique_ptr<CNode> ConsumeNodeAsUniquePtr(FuzzedDataProvider& fdp, const std::optional<NodeId>& node_id_in = nullopt) { return ConsumeNode<true>(fdp, node_id_in); }
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inline std::unique_ptr<CNode> ConsumeNodeAsUniquePtr(FuzzedDataProvider& fdp, const std::optional<NodeId>& node_id_in = std::nullopt) { return ConsumeNode<true>(fdp, node_id_in); }
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inline void FillNode(FuzzedDataProvider& fuzzed_data_provider, CNode& node, const std::optional<int32_t>& version_in = std::nullopt) noexcept
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void FillNode(FuzzedDataProvider& fuzzed_data_provider, CNode& node, bool init_version) noexcept;
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{
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const ServiceFlags remote_services = ConsumeWeakEnum(fuzzed_data_provider, ALL_SERVICE_FLAGS);
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const NetPermissionFlags permission_flags = ConsumeWeakEnum(fuzzed_data_provider, ALL_NET_PERMISSION_FLAGS);
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const int32_t version = version_in.value_or(fuzzed_data_provider.ConsumeIntegral<int32_t>());
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const bool filter_txs = fuzzed_data_provider.ConsumeBool();
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node.nServices = remote_services;
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node.m_permissionFlags = permission_flags;
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node.nVersion = version;
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node.SetSendVersion(version);
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if (node.m_tx_relay != nullptr) {
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LOCK(node.m_tx_relay->cs_filter);
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node.m_tx_relay->fRelayTxes = filter_txs;
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}
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}
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inline void InitializeFuzzingContext(const std::string& chain_name = CBaseChainParams::REGTEST)
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inline void InitializeFuzzingContext(const std::string& chain_name = CBaseChainParams::REGTEST)
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{
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{
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