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a8fdfea77b
724c497562[fuzz] Add ConsumeAsmap() function (John Newbery)5840476714[addrman] Make m_asmap private (John Newbery)f9002cb5db[net] Rename the copyStats arg from m_asmap to asmap (John Newbery)f572f2b204[addrman] Set m_asmap in CAddrMan initializer list (John Newbery)593247872d[net] Remove CConnMan::SetAsmap() (John Newbery)50fd77045e[init] Read/decode asmap before constructing addrman (John Newbery) Pull request description: Commit181a1207introduced an initialization order bug: CAddrMan's m_asmap must be set before deserializing peers.dat. The first commit restores the correct initialization order. The remaining commits make `CAddrMan::m_asmap` usage safer: - don't reach into `CAddrMan`'s internal data from `CConnMan` - set `m_asmap` in the initializer list and make it const - make `m_asmap` private, and access it (as a reference to const) from a getter. This ensures that peers.dat deserialization must happen after setting m_asmap, since m_asmap is set during CAddrMan construction. ACKs for top commit: mzumsande: Tested ACK724c497562amitiuttarwar: code review but utACK724c497562naumenkogs: utACK724c497562vasild: ACK724c497562MarcoFalke: review ACK724c497562👫 Tree-SHA512: 684a4cf9e3d4496c9997fb2bc4ec874809987055c157ec3fad1d2143b8223df52b5a0af787d028930b27388c8efeba0aeb2446cb35c337a5552ae76112ade726
92 lines
3 KiB
C++
92 lines
3 KiB
C++
// Copyright (c) 2020-2021 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 <chainparams.h>
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#include <chainparamsbase.h>
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#include <net.h>
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#include <net_permissions.h>
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#include <netaddress.h>
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#include <protocol.h>
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#include <random.h>
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#include <test/fuzz/FuzzedDataProvider.h>
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#include <test/fuzz/fuzz.h>
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#include <test/fuzz/util.h>
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#include <test/util/net.h>
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#include <test/util/setup_common.h>
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#include <cstdint>
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#include <optional>
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#include <string>
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#include <vector>
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void initialize_net()
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{
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static const auto testing_setup = MakeNoLogFileContext<>(CBaseChainParams::MAIN);
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}
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FUZZ_TARGET_INIT(net, initialize_net)
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{
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FuzzedDataProvider fuzzed_data_provider(buffer.data(), buffer.size());
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SetMockTime(ConsumeTime(fuzzed_data_provider));
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CNode node{ConsumeNode(fuzzed_data_provider)};
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node.SetCommonVersion(fuzzed_data_provider.ConsumeIntegral<int>());
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while (fuzzed_data_provider.ConsumeBool()) {
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CallOneOf(
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fuzzed_data_provider,
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[&] {
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node.CloseSocketDisconnect();
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},
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[&] {
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const std::vector<bool> asmap = ConsumeRandomLengthBitVector(fuzzed_data_provider);
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if (!SanityCheckASMap(asmap)) {
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return;
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}
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CNodeStats stats;
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node.CopyStats(stats, asmap);
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},
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[&] {
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const CNode* add_ref_node = node.AddRef();
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assert(add_ref_node == &node);
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},
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[&] {
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if (node.GetRefCount() > 0) {
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node.Release();
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}
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},
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[&] {
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const std::optional<CInv> inv_opt = ConsumeDeserializable<CInv>(fuzzed_data_provider);
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if (!inv_opt) {
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return;
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}
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node.AddKnownTx(inv_opt->hash);
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},
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[&] {
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node.PushTxInventory(ConsumeUInt256(fuzzed_data_provider));
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},
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[&] {
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const std::optional<CService> service_opt = ConsumeDeserializable<CService>(fuzzed_data_provider);
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if (!service_opt) {
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return;
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}
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node.SetAddrLocal(*service_opt);
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},
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[&] {
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const std::vector<uint8_t> b = ConsumeRandomLengthByteVector(fuzzed_data_provider);
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bool complete;
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node.ReceiveMsgBytes(b, complete);
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});
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}
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(void)node.GetAddrLocal();
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(void)node.GetId();
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(void)node.GetLocalNonce();
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(void)node.GetLocalServices();
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const int ref_count = node.GetRefCount();
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assert(ref_count >= 0);
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(void)node.GetCommonVersion();
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const NetPermissionFlags net_permission_flags = ConsumeWeakEnum(fuzzed_data_provider, ALL_NET_PERMISSION_FLAGS);
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(void)node.HasPermission(net_permission_flags);
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(void)node.ConnectedThroughNetwork();
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}
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