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fuzz: addrman, avoid ConsumeDeserializable when possible

`ConsumeDeserializable` may return `std::nullopt`, prefer
to call specific functions such as `ConsumeService`and
`ConsumeNetAddr` which always return a value.
This commit is contained in:
brunoerg 2023-06-19 16:56:02 -03:00
parent 7f0b79ea13
commit 025fda0a76

View file

@ -263,40 +263,21 @@ FUZZ_TARGET_INIT(addrman, initialize_addrman)
[&] {
std::vector<CAddress> addresses;
LIMITED_WHILE(fuzzed_data_provider.ConsumeBool(), 10000) {
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, std::chrono::seconds{ConsumeTime(fuzzed_data_provider, 0, 100000000)});
addresses.push_back(ConsumeAddress(fuzzed_data_provider));
}
addr_man.Add(addresses, ConsumeNetAddr(fuzzed_data_provider), std::chrono::seconds{ConsumeTime(fuzzed_data_provider, 0, 100000000)});
},
[&] {
const std::optional<CService> opt_service = ConsumeDeserializable<CService>(fuzzed_data_provider);
if (opt_service) {
addr_man.Good(*opt_service, NodeSeconds{std::chrono::seconds{ConsumeTime(fuzzed_data_provider)}});
}
addr_man.Good(ConsumeService(fuzzed_data_provider), NodeSeconds{std::chrono::seconds{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(), NodeSeconds{std::chrono::seconds{ConsumeTime(fuzzed_data_provider)}});
}
addr_man.Attempt(ConsumeService(fuzzed_data_provider), fuzzed_data_provider.ConsumeBool(), NodeSeconds{std::chrono::seconds{ConsumeTime(fuzzed_data_provider)}});
},
[&] {
const std::optional<CService> opt_service = ConsumeDeserializable<CService>(fuzzed_data_provider);
if (opt_service) {
addr_man.Connected(*opt_service, NodeSeconds{std::chrono::seconds{ConsumeTime(fuzzed_data_provider)}});
}
addr_man.Connected(ConsumeService(fuzzed_data_provider), NodeSeconds{std::chrono::seconds{ConsumeTime(fuzzed_data_provider)}});
},
[&] {
const std::optional<CService> opt_service = ConsumeDeserializable<CService>(fuzzed_data_provider);
if (opt_service) {
addr_man.SetServices(*opt_service, ConsumeWeakEnum(fuzzed_data_provider, ALL_SERVICE_FLAGS));
}
addr_man.SetServices(ConsumeService(fuzzed_data_provider), ConsumeWeakEnum(fuzzed_data_provider, ALL_SERVICE_FLAGS));
});
}
const AddrMan& const_addr_man{addr_man};