diff options
Diffstat (limited to 'src/test/fuzz/addrman.cpp')
| -rw-r--r-- | src/test/fuzz/addrman.cpp | 156 |
1 files changed, 77 insertions, 79 deletions
diff --git a/src/test/fuzz/addrman.cpp b/src/test/fuzz/addrman.cpp index 0ceeea2d36..1ea6b3d01d 100644 --- a/src/test/fuzz/addrman.cpp +++ b/src/test/fuzz/addrman.cpp @@ -17,17 +17,27 @@ #include <string> #include <vector> -void initialize() +void initialize_addrman() { SelectParams(CBaseChainParams::REGTEST); } -void test_one_input(const std::vector<uint8_t>& buffer) +class CAddrManDeterministic : public CAddrMan { - FuzzedDataProvider fuzzed_data_provider(buffer.data(), buffer.size()); +public: + void MakeDeterministic(const uint256& random_seed) + { + insecure_rand = FastRandomContext{random_seed}; + Clear(); + } +}; +FUZZ_TARGET_INIT(addrman, initialize_addrman) +{ + FuzzedDataProvider fuzzed_data_provider(buffer.data(), buffer.size()); SetMockTime(ConsumeTime(fuzzed_data_provider)); - CAddrMan addr_man; + CAddrManDeterministic addr_man; + addr_man.MakeDeterministic(ConsumeUInt256(fuzzed_data_provider)); if (fuzzed_data_provider.ConsumeBool()) { addr_man.m_asmap = ConsumeRandomLengthBitVector(fuzzed_data_provider); if (!SanityCheckASMap(addr_man.m_asmap)) { @@ -35,83 +45,71 @@ void test_one_input(const std::vector<uint8_t>& buffer) } } while (fuzzed_data_provider.ConsumeBool()) { - switch (fuzzed_data_provider.ConsumeIntegralInRange<int>(0, 11)) { - case 0: { - addr_man.Clear(); - break; - } - case 1: { - addr_man.ResolveCollisions(); - break; - } - case 2: { - (void)addr_man.SelectTriedCollision(); - break; - } - case 3: { - (void)addr_man.Select(fuzzed_data_provider.ConsumeBool()); - break; - } - case 4: { - (void)addr_man.GetAddr(fuzzed_data_provider.ConsumeIntegralInRange<size_t>(0, 4096), fuzzed_data_provider.ConsumeIntegralInRange<size_t>(0, 4096)); - break; - } - case 5: { - const std::optional<CAddress> opt_address = ConsumeDeserializable<CAddress>(fuzzed_data_provider); - const std::optional<CNetAddr> opt_net_addr = ConsumeDeserializable<CNetAddr>(fuzzed_data_provider); - if (opt_address && opt_net_addr) { - addr_man.Add(*opt_address, *opt_net_addr, fuzzed_data_provider.ConsumeIntegralInRange<int64_t>(0, 100000000)); - } - break; - } - case 6: { - std::vector<CAddress> addresses; - while (fuzzed_data_provider.ConsumeBool()) { + CallOneOf( + fuzzed_data_provider, + [&] { + addr_man.Clear(); + }, + [&] { + addr_man.ResolveCollisions(); + }, + [&] { + (void)addr_man.SelectTriedCollision(); + }, + [&] { + (void)addr_man.Select(fuzzed_data_provider.ConsumeBool()); + }, + [&] { + (void)addr_man.GetAddr(fuzzed_data_provider.ConsumeIntegralInRange<size_t>(0, 4096), fuzzed_data_provider.ConsumeIntegralInRange<size_t>(0, 4096)); + }, + [&] { const std::optional<CAddress> opt_address = ConsumeDeserializable<CAddress>(fuzzed_data_provider); - if (!opt_address) { - break; + const std::optional<CNetAddr> opt_net_addr = ConsumeDeserializable<CNetAddr>(fuzzed_data_provider); + if (opt_address && opt_net_addr) { + addr_man.Add(*opt_address, *opt_net_addr, fuzzed_data_provider.ConsumeIntegralInRange<int64_t>(0, 100000000)); } - addresses.push_back(*opt_address); - } - const std::optional<CNetAddr> opt_net_addr = ConsumeDeserializable<CNetAddr>(fuzzed_data_provider); - if (opt_net_addr) { - addr_man.Add(addresses, *opt_net_addr, fuzzed_data_provider.ConsumeIntegralInRange<int64_t>(0, 100000000)); - } - break; - } - case 7: { - const std::optional<CService> opt_service = ConsumeDeserializable<CService>(fuzzed_data_provider); - if (opt_service) { - addr_man.Good(*opt_service, fuzzed_data_provider.ConsumeBool(), ConsumeTime(fuzzed_data_provider)); - } - break; - } - case 8: { - const std::optional<CService> opt_service = ConsumeDeserializable<CService>(fuzzed_data_provider); - if (opt_service) { - addr_man.Attempt(*opt_service, fuzzed_data_provider.ConsumeBool(), ConsumeTime(fuzzed_data_provider)); - } - break; - } - case 9: { - const std::optional<CService> opt_service = ConsumeDeserializable<CService>(fuzzed_data_provider); - if (opt_service) { - addr_man.Connected(*opt_service, ConsumeTime(fuzzed_data_provider)); - } - break; - } - case 10: { - const std::optional<CService> opt_service = ConsumeDeserializable<CService>(fuzzed_data_provider); - if (opt_service) { - addr_man.SetServices(*opt_service, ServiceFlags{fuzzed_data_provider.ConsumeIntegral<uint64_t>()}); - } - break; - } - case 11: { - (void)addr_man.Check(); - break; - } - } + }, + [&] { + std::vector<CAddress> addresses; + while (fuzzed_data_provider.ConsumeBool()) { + const std::optional<CAddress> opt_address = ConsumeDeserializable<CAddress>(fuzzed_data_provider); + if (!opt_address) { + break; + } + addresses.push_back(*opt_address); + } + const std::optional<CNetAddr> opt_net_addr = ConsumeDeserializable<CNetAddr>(fuzzed_data_provider); + if (opt_net_addr) { + addr_man.Add(addresses, *opt_net_addr, fuzzed_data_provider.ConsumeIntegralInRange<int64_t>(0, 100000000)); + } + }, + [&] { + const std::optional<CService> opt_service = ConsumeDeserializable<CService>(fuzzed_data_provider); + if (opt_service) { + addr_man.Good(*opt_service, fuzzed_data_provider.ConsumeBool(), ConsumeTime(fuzzed_data_provider)); + } + }, + [&] { + const std::optional<CService> opt_service = ConsumeDeserializable<CService>(fuzzed_data_provider); + if (opt_service) { + addr_man.Attempt(*opt_service, fuzzed_data_provider.ConsumeBool(), ConsumeTime(fuzzed_data_provider)); + } + }, + [&] { + const std::optional<CService> opt_service = ConsumeDeserializable<CService>(fuzzed_data_provider); + if (opt_service) { + addr_man.Connected(*opt_service, ConsumeTime(fuzzed_data_provider)); + } + }, + [&] { + const std::optional<CService> opt_service = ConsumeDeserializable<CService>(fuzzed_data_provider); + if (opt_service) { + addr_man.SetServices(*opt_service, ServiceFlags{fuzzed_data_provider.ConsumeIntegral<uint64_t>()}); + } + }, + [&] { + (void)addr_man.Check(); + }); } (void)addr_man.size(); CDataStream data_stream(SER_NETWORK, PROTOCOL_VERSION); |