diff options
Diffstat (limited to 'src/test/fuzz')
| -rw-r--r-- | src/test/fuzz/addrman.cpp | 138 | ||||
| -rw-r--r-- | src/test/fuzz/autofile.cpp | 68 | ||||
| -rw-r--r-- | src/test/fuzz/banman.cpp | 82 | ||||
| -rw-r--r-- | src/test/fuzz/bloom_filter.cpp | 78 | ||||
| -rw-r--r-- | src/test/fuzz/buffered_file.cpp | 65 | ||||
| -rw-r--r-- | src/test/fuzz/coins_view.cpp | 341 | ||||
| -rw-r--r-- | src/test/fuzz/connman.cpp | 200 | ||||
| -rw-r--r-- | src/test/fuzz/crypto.cpp | 184 | ||||
| -rw-r--r-- | src/test/fuzz/crypto_chacha20.cpp | 47 | ||||
| -rw-r--r-- | src/test/fuzz/crypto_chacha20_poly1305_aead.cpp | 71 | ||||
| -rw-r--r-- | src/test/fuzz/merkleblock.cpp | 48 | ||||
| -rw-r--r-- | src/test/fuzz/net.cpp | 147 | ||||
| -rw-r--r-- | src/test/fuzz/policy_estimator.cpp | 68 | ||||
| -rw-r--r-- | src/test/fuzz/rolling_bloom_filter.cpp | 46 | ||||
| -rw-r--r-- | src/test/fuzz/script_ops.cpp | 99 | ||||
| -rw-r--r-- | src/test/fuzz/scriptnum_ops.cpp | 192 | ||||
| -rw-r--r-- | src/test/fuzz/strprintf.cpp | 121 | ||||
| -rw-r--r-- | src/test/fuzz/system.cpp | 118 | ||||
| -rw-r--r-- | src/test/fuzz/util.h | 195 |
19 files changed, 1094 insertions, 1214 deletions
diff --git a/src/test/fuzz/addrman.cpp b/src/test/fuzz/addrman.cpp index af9080b5e9..1ea6b3d01d 100644 --- a/src/test/fuzz/addrman.cpp +++ b/src/test/fuzz/addrman.cpp @@ -45,83 +45,71 @@ FUZZ_TARGET_INIT(addrman, initialize_addrman) } } 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); diff --git a/src/test/fuzz/autofile.cpp b/src/test/fuzz/autofile.cpp index eb3424ef28..9ecd172e19 100644 --- a/src/test/fuzz/autofile.cpp +++ b/src/test/fuzz/autofile.cpp @@ -21,43 +21,37 @@ FUZZ_TARGET(autofile) FuzzedAutoFileProvider fuzzed_auto_file_provider = ConsumeAutoFile(fuzzed_data_provider); CAutoFile auto_file = fuzzed_auto_file_provider.open(); while (fuzzed_data_provider.ConsumeBool()) { - switch (fuzzed_data_provider.ConsumeIntegralInRange<int>(0, 5)) { - case 0: { - std::array<uint8_t, 4096> arr{}; - try { - auto_file.read((char*)arr.data(), fuzzed_data_provider.ConsumeIntegralInRange<size_t>(0, 4096)); - } catch (const std::ios_base::failure&) { - } - break; - } - case 1: { - const std::array<uint8_t, 4096> arr{}; - try { - auto_file.write((const char*)arr.data(), fuzzed_data_provider.ConsumeIntegralInRange<size_t>(0, 4096)); - } catch (const std::ios_base::failure&) { - } - break; - } - case 2: { - try { - auto_file.ignore(fuzzed_data_provider.ConsumeIntegralInRange<size_t>(0, 4096)); - } catch (const std::ios_base::failure&) { - } - break; - } - case 3: { - auto_file.fclose(); - break; - } - case 4: { - ReadFromStream(fuzzed_data_provider, auto_file); - break; - } - case 5: { - WriteToStream(fuzzed_data_provider, auto_file); - break; - } - } + CallOneOf( + fuzzed_data_provider, + [&] { + std::array<uint8_t, 4096> arr{}; + try { + auto_file.read((char*)arr.data(), fuzzed_data_provider.ConsumeIntegralInRange<size_t>(0, 4096)); + } catch (const std::ios_base::failure&) { + } + }, + [&] { + const std::array<uint8_t, 4096> arr{}; + try { + auto_file.write((const char*)arr.data(), fuzzed_data_provider.ConsumeIntegralInRange<size_t>(0, 4096)); + } catch (const std::ios_base::failure&) { + } + }, + [&] { + try { + auto_file.ignore(fuzzed_data_provider.ConsumeIntegralInRange<size_t>(0, 4096)); + } catch (const std::ios_base::failure&) { + } + }, + [&] { + auto_file.fclose(); + }, + [&] { + ReadFromStream(fuzzed_data_provider, auto_file); + }, + [&] { + WriteToStream(fuzzed_data_provider, auto_file); + }); } (void)auto_file.Get(); (void)auto_file.GetType(); diff --git a/src/test/fuzz/banman.cpp b/src/test/fuzz/banman.cpp index cf69fa0722..e703fa39c1 100644 --- a/src/test/fuzz/banman.cpp +++ b/src/test/fuzz/banman.cpp @@ -38,51 +38,43 @@ FUZZ_TARGET_INIT(banman, initialize_banman) { BanMan ban_man{banlist_file, nullptr, ConsumeBanTimeOffset(fuzzed_data_provider)}; while (fuzzed_data_provider.ConsumeBool()) { - switch (fuzzed_data_provider.ConsumeIntegralInRange<int>(0, 11)) { - case 0: { - ban_man.Ban(ConsumeNetAddr(fuzzed_data_provider), - ConsumeBanTimeOffset(fuzzed_data_provider), fuzzed_data_provider.ConsumeBool()); - break; - } - case 1: { - ban_man.Ban(ConsumeSubNet(fuzzed_data_provider), - ConsumeBanTimeOffset(fuzzed_data_provider), fuzzed_data_provider.ConsumeBool()); - break; - } - case 2: { - ban_man.ClearBanned(); - break; - } - case 4: { - ban_man.IsBanned(ConsumeNetAddr(fuzzed_data_provider)); - break; - } - case 5: { - ban_man.IsBanned(ConsumeSubNet(fuzzed_data_provider)); - break; - } - case 6: { - ban_man.Unban(ConsumeNetAddr(fuzzed_data_provider)); - break; - } - case 7: { - ban_man.Unban(ConsumeSubNet(fuzzed_data_provider)); - break; - } - case 8: { - banmap_t banmap; - ban_man.GetBanned(banmap); - break; - } - case 9: { - ban_man.DumpBanlist(); - break; - } - case 11: { - ban_man.Discourage(ConsumeNetAddr(fuzzed_data_provider)); - break; - } - } + CallOneOf( + fuzzed_data_provider, + [&] { + ban_man.Ban(ConsumeNetAddr(fuzzed_data_provider), + ConsumeBanTimeOffset(fuzzed_data_provider), fuzzed_data_provider.ConsumeBool()); + }, + [&] { + ban_man.Ban(ConsumeSubNet(fuzzed_data_provider), + ConsumeBanTimeOffset(fuzzed_data_provider), fuzzed_data_provider.ConsumeBool()); + }, + [&] { + ban_man.ClearBanned(); + }, + [] {}, + [&] { + ban_man.IsBanned(ConsumeNetAddr(fuzzed_data_provider)); + }, + [&] { + ban_man.IsBanned(ConsumeSubNet(fuzzed_data_provider)); + }, + [&] { + ban_man.Unban(ConsumeNetAddr(fuzzed_data_provider)); + }, + [&] { + ban_man.Unban(ConsumeSubNet(fuzzed_data_provider)); + }, + [&] { + banmap_t banmap; + ban_man.GetBanned(banmap); + }, + [&] { + ban_man.DumpBanlist(); + }, + [] {}, + [&] { + ban_man.Discourage(ConsumeNetAddr(fuzzed_data_provider)); + }); } } fs::remove(banlist_file); diff --git a/src/test/fuzz/bloom_filter.cpp b/src/test/fuzz/bloom_filter.cpp index c0c66c564b..d43c182644 100644 --- a/src/test/fuzz/bloom_filter.cpp +++ b/src/test/fuzz/bloom_filter.cpp @@ -25,47 +25,43 @@ FUZZ_TARGET(bloom_filter) fuzzed_data_provider.ConsumeIntegral<unsigned int>(), static_cast<unsigned char>(fuzzed_data_provider.PickValueInArray({BLOOM_UPDATE_NONE, BLOOM_UPDATE_ALL, BLOOM_UPDATE_P2PUBKEY_ONLY, BLOOM_UPDATE_MASK}))}; while (fuzzed_data_provider.remaining_bytes() > 0) { - switch (fuzzed_data_provider.ConsumeIntegralInRange(0, 3)) { - case 0: { - const std::vector<unsigned char> b = ConsumeRandomLengthByteVector(fuzzed_data_provider); - (void)bloom_filter.contains(b); - bloom_filter.insert(b); - const bool present = bloom_filter.contains(b); - assert(present); - break; - } - case 1: { - const std::optional<COutPoint> out_point = ConsumeDeserializable<COutPoint>(fuzzed_data_provider); - if (!out_point) { - break; - } - (void)bloom_filter.contains(*out_point); - bloom_filter.insert(*out_point); - const bool present = bloom_filter.contains(*out_point); - assert(present); - break; - } - case 2: { - const std::optional<uint256> u256 = ConsumeDeserializable<uint256>(fuzzed_data_provider); - if (!u256) { - break; - } - (void)bloom_filter.contains(*u256); - bloom_filter.insert(*u256); - const bool present = bloom_filter.contains(*u256); - assert(present); - break; - } - case 3: { - const std::optional<CMutableTransaction> mut_tx = ConsumeDeserializable<CMutableTransaction>(fuzzed_data_provider); - if (!mut_tx) { - break; - } - const CTransaction tx{*mut_tx}; - (void)bloom_filter.IsRelevantAndUpdate(tx); - break; - } - } + CallOneOf( + fuzzed_data_provider, + [&] { + const std::vector<unsigned char> b = ConsumeRandomLengthByteVector(fuzzed_data_provider); + (void)bloom_filter.contains(b); + bloom_filter.insert(b); + const bool present = bloom_filter.contains(b); + assert(present); + }, + [&] { + const std::optional<COutPoint> out_point = ConsumeDeserializable<COutPoint>(fuzzed_data_provider); + if (!out_point) { + return; + } + (void)bloom_filter.contains(*out_point); + bloom_filter.insert(*out_point); + const bool present = bloom_filter.contains(*out_point); + assert(present); + }, + [&] { + const std::optional<uint256> u256 = ConsumeDeserializable<uint256>(fuzzed_data_provider); + if (!u256) { + return; + } + (void)bloom_filter.contains(*u256); + bloom_filter.insert(*u256); + const bool present = bloom_filter.contains(*u256); + assert(present); + }, + [&] { + const std::optional<CMutableTransaction> mut_tx = ConsumeDeserializable<CMutableTransaction>(fuzzed_data_provider); + if (!mut_tx) { + return; + } + const CTransaction tx{*mut_tx}; + (void)bloom_filter.IsRelevantAndUpdate(tx); + }); (void)bloom_filter.IsWithinSizeConstraints(); } } diff --git a/src/test/fuzz/buffered_file.cpp b/src/test/fuzz/buffered_file.cpp index 23e197456a..3a1b2dbbe7 100644 --- a/src/test/fuzz/buffered_file.cpp +++ b/src/test/fuzz/buffered_file.cpp @@ -31,41 +31,36 @@ FUZZ_TARGET(buffered_file) if (opt_buffered_file && fuzzed_file != nullptr) { bool setpos_fail = false; while (fuzzed_data_provider.ConsumeBool()) { - switch (fuzzed_data_provider.ConsumeIntegralInRange<int>(0, 4)) { - case 0: { - std::array<uint8_t, 4096> arr{}; - try { - opt_buffered_file->read((char*)arr.data(), fuzzed_data_provider.ConsumeIntegralInRange<size_t>(0, 4096)); - } catch (const std::ios_base::failure&) { - } - break; - } - case 1: { - opt_buffered_file->SetLimit(fuzzed_data_provider.ConsumeIntegralInRange<uint64_t>(0, 4096)); - break; - } - case 2: { - if (!opt_buffered_file->SetPos(fuzzed_data_provider.ConsumeIntegralInRange<uint64_t>(0, 4096))) { - setpos_fail = true; - } - break; - } - case 3: { - if (setpos_fail) { - // Calling FindByte(...) after a failed SetPos(...) call may result in an infinite loop. - break; - } - try { - opt_buffered_file->FindByte(fuzzed_data_provider.ConsumeIntegral<char>()); - } catch (const std::ios_base::failure&) { - } - break; - } - case 4: { - ReadFromStream(fuzzed_data_provider, *opt_buffered_file); - break; - } - } + CallOneOf( + fuzzed_data_provider, + [&] { + std::array<uint8_t, 4096> arr{}; + try { + opt_buffered_file->read((char*)arr.data(), fuzzed_data_provider.ConsumeIntegralInRange<size_t>(0, 4096)); + } catch (const std::ios_base::failure&) { + } + }, + [&] { + opt_buffered_file->SetLimit(fuzzed_data_provider.ConsumeIntegralInRange<uint64_t>(0, 4096)); + }, + [&] { + if (!opt_buffered_file->SetPos(fuzzed_data_provider.ConsumeIntegralInRange<uint64_t>(0, 4096))) { + setpos_fail = true; + } + }, + [&] { + if (setpos_fail) { + // Calling FindByte(...) after a failed SetPos(...) call may result in an infinite loop. + return; + } + try { + opt_buffered_file->FindByte(fuzzed_data_provider.ConsumeIntegral<char>()); + } catch (const std::ios_base::failure&) { + } + }, + [&] { + ReadFromStream(fuzzed_data_provider, *opt_buffered_file); + }); } opt_buffered_file->GetPos(); opt_buffered_file->GetType(); diff --git a/src/test/fuzz/coins_view.cpp b/src/test/fuzz/coins_view.cpp index 1ae421493e..12ef4b203f 100644 --- a/src/test/fuzz/coins_view.cpp +++ b/src/test/fuzz/coins_view.cpp @@ -50,103 +50,93 @@ FUZZ_TARGET_INIT(coins_view, initialize_coins_view) Coin random_coin; CMutableTransaction random_mutable_transaction; while (fuzzed_data_provider.ConsumeBool()) { - switch (fuzzed_data_provider.ConsumeIntegralInRange<int>(0, 9)) { - case 0: { - if (random_coin.IsSpent()) { - break; - } - Coin coin = random_coin; - bool expected_code_path = false; - const bool possible_overwrite = fuzzed_data_provider.ConsumeBool(); - try { - coins_view_cache.AddCoin(random_out_point, std::move(coin), possible_overwrite); - expected_code_path = true; - } catch (const std::logic_error& e) { - if (e.what() == std::string{"Attempted to overwrite an unspent coin (when possible_overwrite is false)"}) { - assert(!possible_overwrite); + CallOneOf( + fuzzed_data_provider, + [&] { + if (random_coin.IsSpent()) { + return; + } + Coin coin = random_coin; + bool expected_code_path = false; + const bool possible_overwrite = fuzzed_data_provider.ConsumeBool(); + try { + coins_view_cache.AddCoin(random_out_point, std::move(coin), possible_overwrite); expected_code_path = true; + } catch (const std::logic_error& e) { + if (e.what() == std::string{"Attempted to overwrite an unspent coin (when possible_overwrite is false)"}) { + assert(!possible_overwrite); + expected_code_path = true; + } } - } - assert(expected_code_path); - break; - } - case 1: { - (void)coins_view_cache.Flush(); - break; - } - case 2: { - coins_view_cache.SetBestBlock(ConsumeUInt256(fuzzed_data_provider)); - break; - } - case 3: { - Coin move_to; - (void)coins_view_cache.SpendCoin(random_out_point, fuzzed_data_provider.ConsumeBool() ? &move_to : nullptr); - break; - } - case 4: { - coins_view_cache.Uncache(random_out_point); - break; - } - case 5: { - if (fuzzed_data_provider.ConsumeBool()) { - backend_coins_view = CCoinsView{}; - } - coins_view_cache.SetBackend(backend_coins_view); - break; - } - case 6: { - const std::optional<COutPoint> opt_out_point = ConsumeDeserializable<COutPoint>(fuzzed_data_provider); - if (!opt_out_point) { - break; - } - random_out_point = *opt_out_point; - break; - } - case 7: { - const std::optional<Coin> opt_coin = ConsumeDeserializable<Coin>(fuzzed_data_provider); - if (!opt_coin) { - break; - } - random_coin = *opt_coin; - break; - } - case 8: { - const std::optional<CMutableTransaction> opt_mutable_transaction = ConsumeDeserializable<CMutableTransaction>(fuzzed_data_provider); - if (!opt_mutable_transaction) { - break; - } - random_mutable_transaction = *opt_mutable_transaction; - break; - } - case 9: { - CCoinsMap coins_map; - while (fuzzed_data_provider.ConsumeBool()) { - CCoinsCacheEntry coins_cache_entry; - coins_cache_entry.flags = fuzzed_data_provider.ConsumeIntegral<unsigned char>(); + assert(expected_code_path); + }, + [&] { + (void)coins_view_cache.Flush(); + }, + [&] { + coins_view_cache.SetBestBlock(ConsumeUInt256(fuzzed_data_provider)); + }, + [&] { + Coin move_to; + (void)coins_view_cache.SpendCoin(random_out_point, fuzzed_data_provider.ConsumeBool() ? &move_to : nullptr); + }, + [&] { + coins_view_cache.Uncache(random_out_point); + }, + [&] { if (fuzzed_data_provider.ConsumeBool()) { - coins_cache_entry.coin = random_coin; - } else { - const std::optional<Coin> opt_coin = ConsumeDeserializable<Coin>(fuzzed_data_provider); - if (!opt_coin) { - break; + backend_coins_view = CCoinsView{}; + } + coins_view_cache.SetBackend(backend_coins_view); + }, + [&] { + const std::optional<COutPoint> opt_out_point = ConsumeDeserializable<COutPoint>(fuzzed_data_provider); + if (!opt_out_point) { + return; + } + random_out_point = *opt_out_point; + }, + [&] { + const std::optional<Coin> opt_coin = ConsumeDeserializable<Coin>(fuzzed_data_provider); + if (!opt_coin) { + return; + } + random_coin = *opt_coin; + }, + [&] { + const std::optional<CMutableTransaction> opt_mutable_transaction = ConsumeDeserializable<CMutableTransaction>(fuzzed_data_provider); + if (!opt_mutable_transaction) { + return; + } + random_mutable_transaction = *opt_mutable_transaction; + }, + [&] { + CCoinsMap coins_map; + while (fuzzed_data_provider.ConsumeBool()) { + CCoinsCacheEntry coins_cache_entry; + coins_cache_entry.flags = fuzzed_data_provider.ConsumeIntegral<unsigned char>(); + if (fuzzed_data_provider.ConsumeBool()) { + coins_cache_entry.coin = random_coin; + } else { + const std::optional<Coin> opt_coin = ConsumeDeserializable<Coin>(fuzzed_data_provider); + if (!opt_coin) { + return; + } + coins_cache_entry.coin = *opt_coin; } - coins_cache_entry.coin = *opt_coin; + coins_map.emplace(random_out_point, std::move(coins_cache_entry)); } - coins_map.emplace(random_out_point, std::move(coins_cache_entry)); - } - bool expected_code_path = false; - try { - coins_view_cache.BatchWrite(coins_map, fuzzed_data_provider.ConsumeBool() ? ConsumeUInt256(fuzzed_data_provider) : coins_view_cache.GetBestBlock()); - expected_code_path = true; - } catch (const std::logic_error& e) { - if (e.what() == std::string{"FRESH flag misapplied to coin that exists in parent cache"}) { + bool expected_code_path = false; + try { + coins_view_cache.BatchWrite(coins_map, fuzzed_data_provider.ConsumeBool() ? ConsumeUInt256(fuzzed_data_provider) : coins_view_cache.GetBestBlock()); expected_code_path = true; + } catch (const std::logic_error& e) { + if (e.what() == std::string{"FRESH flag misapplied to coin that exists in parent cache"}) { + expected_code_path = true; + } } - } - assert(expected_code_path); - break; - } - } + assert(expected_code_path); + }); } { @@ -199,97 +189,90 @@ FUZZ_TARGET_INIT(coins_view, initialize_coins_view) } if (fuzzed_data_provider.ConsumeBool()) { - switch (fuzzed_data_provider.ConsumeIntegralInRange<int>(0, 6)) { - case 0: { - const CTransaction transaction{random_mutable_transaction}; - bool is_spent = false; - for (const CTxOut& tx_out : transaction.vout) { - if (Coin{tx_out, 0, transaction.IsCoinBase()}.IsSpent()) { - is_spent = true; + CallOneOf( + fuzzed_data_provider, + [&] { + const CTransaction transaction{random_mutable_transaction}; + bool is_spent = false; + for (const CTxOut& tx_out : transaction.vout) { + if (Coin{tx_out, 0, transaction.IsCoinBase()}.IsSpent()) { + is_spent = true; + } + } + if (is_spent) { + // Avoid: + // coins.cpp:69: void CCoinsViewCache::AddCoin(const COutPoint &, Coin &&, bool): Assertion `!coin.IsSpent()' failed. + return; } - } - if (is_spent) { - // Avoid: - // coins.cpp:69: void CCoinsViewCache::AddCoin(const COutPoint &, Coin &&, bool): Assertion `!coin.IsSpent()' failed. - break; - } - bool expected_code_path = false; - const int height = fuzzed_data_provider.ConsumeIntegral<int>(); - const bool possible_overwrite = fuzzed_data_provider.ConsumeBool(); - try { - AddCoins(coins_view_cache, transaction, height, possible_overwrite); - expected_code_path = true; - } catch (const std::logic_error& e) { - if (e.what() == std::string{"Attempted to overwrite an unspent coin (when possible_overwrite is false)"}) { - assert(!possible_overwrite); + bool expected_code_path = false; + const int height = fuzzed_data_provider.ConsumeIntegral<int>(); + const bool possible_overwrite = fuzzed_data_provider.ConsumeBool(); + try { + AddCoins(coins_view_cache, transaction, height, possible_overwrite); expected_code_path = true; + } catch (const std::logic_error& e) { + if (e.what() == std::string{"Attempted to overwrite an unspent coin (when possible_overwrite is false)"}) { + assert(!possible_overwrite); + expected_code_path = true; + } } - } - assert(expected_code_path); - break; - } - case 1: { - (void)AreInputsStandard(CTransaction{random_mutable_transaction}, coins_view_cache, false); - (void)AreInputsStandard(CTransaction{random_mutable_transaction}, coins_view_cache, true); - break; - } - case 2: { - TxValidationState state; - CAmount tx_fee_out; - const CTransaction transaction{random_mutable_transaction}; - if (ContainsSpentInput(transaction, coins_view_cache)) { - // Avoid: - // consensus/tx_verify.cpp:171: bool Consensus::CheckTxInputs(const CTransaction &, TxValidationState &, const CCoinsViewCache &, int, CAmount &): Assertion `!coin.IsSpent()' failed. - break; - } - try { - (void)Consensus::CheckTxInputs(transaction, state, coins_view_cache, fuzzed_data_provider.ConsumeIntegralInRange<int>(0, std::numeric_limits<int>::max()), tx_fee_out); - assert(MoneyRange(tx_fee_out)); - } catch (const std::runtime_error&) { - } - break; - } - case 3: { - const CTransaction transaction{random_mutable_transaction}; - if (ContainsSpentInput(transaction, coins_view_cache)) { - // Avoid: - // consensus/tx_verify.cpp:130: unsigned int GetP2SHSigOpCount(const CTransaction &, const CCoinsViewCache &): Assertion `!coin.IsSpent()' failed. - break; - } - (void)GetP2SHSigOpCount(transaction, coins_view_cache); - break; - } - case 4: { - const CTransaction transaction{random_mutable_transaction}; - if (ContainsSpentInput(transaction, coins_view_cache)) { - // Avoid: - // consensus/tx_verify.cpp:130: unsigned int GetP2SHSigOpCount(const CTransaction &, const CCoinsViewCache &): Assertion `!coin.IsSpent()' failed. - break; - } - const int flags = fuzzed_data_provider.ConsumeIntegral<int>(); - if (!transaction.vin.empty() && (flags & SCRIPT_VERIFY_WITNESS) != 0 && (flags & SCRIPT_VERIFY_P2SH) == 0) { - // Avoid: - // script/interpreter.cpp:1705: size_t CountWitnessSigOps(const CScript &, const CScript &, const CScriptWitness *, unsigned int): Assertion `(flags & SCRIPT_VERIFY_P2SH) != 0' failed. - break; - } - (void)GetTransactionSigOpCost(transaction, coins_view_cache, flags); - break; - } - case 5: { - CCoinsStats stats; - bool expected_code_path = false; - try { - (void)GetUTXOStats(&coins_view_cache, stats, CoinStatsHashType::HASH_SERIALIZED); - } catch (const std::logic_error&) { - expected_code_path = true; - } - assert(expected_code_path); - break; - } - case 6: { - (void)IsWitnessStandard(CTransaction{random_mutable_transaction}, coins_view_cache); - break; - } - } + assert(expected_code_path); + }, + [&] { + (void)AreInputsStandard(CTransaction{random_mutable_transaction}, coins_view_cache, false); + (void)AreInputsStandard(CTransaction{random_mutable_transaction}, coins_view_cache, true); + }, + [&] { + TxValidationState state; + CAmount tx_fee_out; + const CTransaction transaction{random_mutable_transaction}; + if (ContainsSpentInput(transaction, coins_view_cache)) { + // Avoid: + // consensus/tx_verify.cpp:171: bool Consensus::CheckTxInputs(const CTransaction &, TxValidationState &, const CCoinsViewCache &, int, CAmount &): Assertion `!coin.IsSpent()' failed. + return; + } + try { + (void)Consensus::CheckTxInputs(transaction, state, coins_view_cache, fuzzed_data_provider.ConsumeIntegralInRange<int>(0, std::numeric_limits<int>::max()), tx_fee_out); + assert(MoneyRange(tx_fee_out)); + } catch (const std::runtime_error&) { + } + }, + [&] { + const CTransaction transaction{random_mutable_transaction}; + if (ContainsSpentInput(transaction, coins_view_cache)) { + // Avoid: + // consensus/tx_verify.cpp:130: unsigned int GetP2SHSigOpCount(const CTransaction &, const CCoinsViewCache &): Assertion `!coin.IsSpent()' failed. + return; + } + (void)GetP2SHSigOpCount(transaction, coins_view_cache); + }, + [&] { + const CTransaction transaction{random_mutable_transaction}; + if (ContainsSpentInput(transaction, coins_view_cache)) { + // Avoid: + // consensus/tx_verify.cpp:130: unsigned int GetP2SHSigOpCount(const CTransaction &, const CCoinsViewCache &): Assertion `!coin.IsSpent()' failed. + return; + } + const int flags = fuzzed_data_provider.ConsumeIntegral<int>(); + if (!transaction.vin.empty() && (flags & SCRIPT_VERIFY_WITNESS) != 0 && (flags & SCRIPT_VERIFY_P2SH) == 0) { + // Avoid: + // script/interpreter.cpp:1705: size_t CountWitnessSigOps(const CScript &, const CScript &, const CScriptWitness *, unsigned int): Assertion `(flags & SCRIPT_VERIFY_P2SH) != 0' failed. + return; + } + (void)GetTransactionSigOpCost(transaction, coins_view_cache, flags); + }, + [&] { + CCoinsStats stats; + bool expected_code_path = false; + try { + (void)GetUTXOStats(&coins_view_cache, stats, CoinStatsHashType::HASH_SERIALIZED); + } catch (const std::logic_error&) { + expected_code_path = true; + } + assert(expected_code_path); + }, + [&] { + (void)IsWitnessStandard(CTransaction{random_mutable_transaction}, coins_view_cache); + }); } } diff --git a/src/test/fuzz/connman.cpp b/src/test/fuzz/connman.cpp index fdf51d8558..7950213bd5 100644 --- a/src/test/fuzz/connman.cpp +++ b/src/test/fuzz/connman.cpp @@ -32,108 +32,104 @@ FUZZ_TARGET_INIT(connman, initialize_connman) CSubNet random_subnet; std::string random_string; while (fuzzed_data_provider.ConsumeBool()) { - switch (fuzzed_data_provider.ConsumeIntegralInRange<int>(0, 27)) { - case 0: - random_address = ConsumeAddress(fuzzed_data_provider); - break; - case 1: - random_netaddr = ConsumeNetAddr(fuzzed_data_provider); - break; - case 2: - random_service = ConsumeService(fuzzed_data_provider); - break; - case 3: - random_subnet = ConsumeSubNet(fuzzed_data_provider); - break; - case 4: - random_string = fuzzed_data_provider.ConsumeRandomLengthString(64); - break; - case 5: { - std::vector<CAddress> addresses; - while (fuzzed_data_provider.ConsumeBool()) { - addresses.push_back(ConsumeAddress(fuzzed_data_provider)); - } - // Limit nTimePenalty to int32_t to avoid signed integer overflow - (void)connman.AddNewAddresses(addresses, ConsumeAddress(fuzzed_data_provider), fuzzed_data_provider.ConsumeIntegral<int32_t>()); - break; - } - case 6: - connman.AddNode(random_string); - break; - case 7: - connman.CheckIncomingNonce(fuzzed_data_provider.ConsumeIntegral<uint64_t>()); - break; - case 8: - connman.DisconnectNode(fuzzed_data_provider.ConsumeIntegral<NodeId>()); - break; - case 9: - connman.DisconnectNode(random_netaddr); - break; - case 10: - connman.DisconnectNode(random_string); - break; - case 11: - connman.DisconnectNode(random_subnet); - break; - case 12: - connman.ForEachNode([](auto) {}); - break; - case 13: - connman.ForEachNodeThen([](auto) {}, []() {}); - break; - case 14: - (void)connman.ForNode(fuzzed_data_provider.ConsumeIntegral<NodeId>(), [&](auto) { return fuzzed_data_provider.ConsumeBool(); }); - break; - case 15: - (void)connman.GetAddresses(fuzzed_data_provider.ConsumeIntegral<size_t>(), fuzzed_data_provider.ConsumeIntegral<size_t>()); - break; - case 16: { - (void)connman.GetAddresses(random_node, fuzzed_data_provider.ConsumeIntegral<size_t>(), fuzzed_data_provider.ConsumeIntegral<size_t>()); - break; - } - case 17: - (void)connman.GetDeterministicRandomizer(fuzzed_data_provider.ConsumeIntegral<uint64_t>()); - break; - case 18: - (void)connman.GetNodeCount(fuzzed_data_provider.PickValueInArray({CConnman::CONNECTIONS_NONE, CConnman::CONNECTIONS_IN, CConnman::CONNECTIONS_OUT, CConnman::CONNECTIONS_ALL})); - break; - case 19: - connman.MarkAddressGood(random_address); - break; - case 20: - (void)connman.OutboundTargetReached(fuzzed_data_provider.ConsumeBool()); - break; - case 21: - // Limit now to int32_t to avoid signed integer overflow - (void)connman.PoissonNextSendInbound(fuzzed_data_provider.ConsumeIntegral<int32_t>(), fuzzed_data_provider.ConsumeIntegral<int>()); - break; - case 22: { - CSerializedNetMsg serialized_net_msg; - serialized_net_msg.m_type = fuzzed_data_provider.ConsumeRandomLengthString(CMessageHeader::COMMAND_SIZE); - serialized_net_msg.data = ConsumeRandomLengthByteVector(fuzzed_data_provider); - connman.PushMessage(&random_node, std::move(serialized_net_msg)); - break; - } - case 23: - connman.RemoveAddedNode(random_string); - break; - case 24: { - const std::vector<bool> asmap = ConsumeRandomLengthBitVector(fuzzed_data_provider); - if (SanityCheckASMap(asmap)) { - connman.SetAsmap(asmap); - } - break; - } - case 25: - connman.SetNetworkActive(fuzzed_data_provider.ConsumeBool()); - break; - case 26: - connman.SetServices(random_service, ConsumeWeakEnum(fuzzed_data_provider, ALL_SERVICE_FLAGS)); - break; - case 27: - connman.SetTryNewOutboundPeer(fuzzed_data_provider.ConsumeBool()); - break; - } + CallOneOf( + fuzzed_data_provider, + [&] { + random_address = ConsumeAddress(fuzzed_data_provider); + }, + [&] { + random_netaddr = ConsumeNetAddr(fuzzed_data_provider); + }, + [&] { + random_service = ConsumeService(fuzzed_data_provider); + }, + [&] { + random_subnet = ConsumeSubNet(fuzzed_data_provider); + }, + [&] { + random_string = fuzzed_data_provider.ConsumeRandomLengthString(64); + }, + [&] { + std::vector<CAddress> addresses; + while (fuzzed_data_provider.ConsumeBool()) { + addresses.push_back(ConsumeAddress(fuzzed_data_provider)); + } + // Limit nTimePenalty to int32_t to avoid signed integer overflow + (void)connman.AddNewAddresses(addresses, ConsumeAddress(fuzzed_data_provider), fuzzed_data_provider.ConsumeIntegral<int32_t>()); + }, + [&] { + connman.AddNode(random_string); + }, + [&] { + connman.CheckIncomingNonce(fuzzed_data_provider.ConsumeIntegral<uint64_t>()); + }, + [&] { + connman.DisconnectNode(fuzzed_data_provider.ConsumeIntegral<NodeId>()); + }, + [&] { + connman.DisconnectNode(random_netaddr); + }, + [&] { + connman.DisconnectNode(random_string); + }, + [&] { + connman.DisconnectNode(random_subnet); + }, + [&] { + connman.ForEachNode([](auto) {}); + }, + [&] { + connman.ForEachNodeThen([](auto) {}, []() {}); + }, + [&] { + (void)connman.ForNode(fuzzed_data_provider.ConsumeIntegral<NodeId>(), [&](auto) { return fuzzed_data_provider.ConsumeBool(); }); + }, + [&] { + (void)connman.GetAddresses(fuzzed_data_provider.ConsumeIntegral<size_t>(), fuzzed_data_provider.ConsumeIntegral<size_t>()); + }, + [&] { + (void)connman.GetAddresses(random_node, fuzzed_data_provider.ConsumeIntegral<size_t>(), fuzzed_data_provider.ConsumeIntegral<size_t>()); + }, + [&] { + (void)connman.GetDeterministicRandomizer(fuzzed_data_provider.ConsumeIntegral<uint64_t>()); + }, + [&] { + (void)connman.GetNodeCount(fuzzed_data_provider.PickValueInArray({CConnman::CONNECTIONS_NONE, CConnman::CONNECTIONS_IN, CConnman::CONNECTIONS_OUT, CConnman::CONNECTIONS_ALL})); + }, + [&] { + connman.MarkAddressGood(random_address); + }, + [&] { + (void)connman.OutboundTargetReached(fuzzed_data_provider.ConsumeBool()); + }, + [&] { + // Limit now to int32_t to avoid signed integer overflow + (void)connman.PoissonNextSendInbound(fuzzed_data_provider.ConsumeIntegral<int32_t>(), fuzzed_data_provider.ConsumeIntegral<int>()); + }, + [&] { + CSerializedNetMsg serialized_net_msg; + serialized_net_msg.m_type = fuzzed_data_provider.ConsumeRandomLengthString(CMessageHeader::COMMAND_SIZE); + serialized_net_msg.data = ConsumeRandomLengthByteVector(fuzzed_data_provider); + connman.PushMessage(&random_node, std::move(serialized_net_msg)); + }, + [&] { + connman.RemoveAddedNode(random_string); + }, + [&] { + const std::vector<bool> asmap = ConsumeRandomLengthBitVector(fuzzed_data_provider); + if (SanityCheckASMap(asmap)) { + connman.SetAsmap(asmap); + } + }, + [&] { + connman.SetNetworkActive(fuzzed_data_provider.ConsumeBool()); + }, + [&] { + connman.SetServices(random_service, ConsumeWeakEnum(fuzzed_data_provider, ALL_SERVICE_FLAGS)); + }, + [&] { + connman.SetTryNewOutboundPeer(fuzzed_data_provider.ConsumeBool()); + }); } (void)connman.GetAddedNodeInfo(); (void)connman.GetExtraFullOutboundCount(); diff --git a/src/test/fuzz/crypto.cpp b/src/test/fuzz/crypto.cpp index 9668b84e7b..c2bb3a1a4e 100644 --- a/src/test/fuzz/crypto.cpp +++ b/src/test/fuzz/crypto.cpp @@ -39,109 +39,95 @@ FUZZ_TARGET(crypto) MuHash3072 muhash; while (fuzzed_data_provider.ConsumeBool()) { - switch (fuzzed_data_provider.ConsumeIntegralInRange<int>(0, 2)) { - case 0: { - if (fuzzed_data_provider.ConsumeBool()) { - data = ConsumeRandomLengthByteVector(fuzzed_data_provider); - if (data.empty()) { - data.resize(fuzzed_data_provider.ConsumeIntegralInRange<size_t>(1, 4096), fuzzed_data_provider.ConsumeIntegral<uint8_t>()); + CallOneOf( + fuzzed_data_provider, + [&] { + if (fuzzed_data_provider.ConsumeBool()) { + data = ConsumeRandomLengthByteVector(fuzzed_data_provider); + if (data.empty()) { + data.resize(fuzzed_data_provider.ConsumeIntegralInRange<size_t>(1, 4096), fuzzed_data_provider.ConsumeIntegral<uint8_t>()); + } } - } - (void)hash160.Write(data); - (void)hash256.Write(data); - (void)hmac_sha256.Write(data.data(), data.size()); - (void)hmac_sha512.Write(data.data(), data.size()); - (void)ripemd160.Write(data.data(), data.size()); - (void)sha1.Write(data.data(), data.size()); - (void)sha256.Write(data.data(), data.size()); - (void)sha3.Write(data); - (void)sha512.Write(data.data(), data.size()); - (void)sip_hasher.Write(data.data(), data.size()); + (void)hash160.Write(data); + (void)hash256.Write(data); + (void)hmac_sha256.Write(data.data(), data.size()); + (void)hmac_sha512.Write(data.data(), data.size()); + (void)ripemd160.Write(data.data(), data.size()); + (void)sha1.Write(data.data(), data.size()); + (void)sha256.Write(data.data(), data.size()); + (void)sha3.Write(data); + (void)sha512.Write(data.data(), data.size()); + (void)sip_hasher.Write(data.data(), data.size()); - (void)Hash(data); - (void)Hash160(data); - (void)sha512.Size(); + (void)Hash(data); + (void)Hash160(data); + (void)sha512.Size(); - if (fuzzed_data_provider.ConsumeBool()) { - muhash *= MuHash3072(data); - } else { - muhash /= MuHash3072(data); - } - break; - } - case 1: { - (void)hash160.Reset(); - (void)hash256.Reset(); - (void)ripemd160.Reset(); - (void)sha1.Reset(); - (void)sha256.Reset(); - (void)sha3.Reset(); - (void)sha512.Reset(); - muhash = MuHash3072(); - break; - } - case 2: { - switch (fuzzed_data_provider.ConsumeIntegralInRange<int>(0, 10)) { - case 0: { - data.resize(CHash160::OUTPUT_SIZE); - hash160.Finalize(data); - break; - } - case 1: { - data.resize(CHash256::OUTPUT_SIZE); - hash256.Finalize(data); - break; - } - case 2: { - data.resize(CHMAC_SHA256::OUTPUT_SIZE); - hmac_sha256.Finalize(data.data()); - break; - } - case 3: { - data.resize(CHMAC_SHA512::OUTPUT_SIZE); - hmac_sha512.Finalize(data.data()); - break; - } - case 4: { - data.resize(CRIPEMD160::OUTPUT_SIZE); - ripemd160.Finalize(data.data()); - break; - } - case 5: { - data.resize(CSHA1::OUTPUT_SIZE); - sha1.Finalize(data.data()); - break; - } - case 6: { - data.resize(CSHA256::OUTPUT_SIZE); - sha256.Finalize(data.data()); - break; - } - case 7: { - data.resize(CSHA512::OUTPUT_SIZE); - sha512.Finalize(data.data()); - break; - } - case 8: { - data.resize(1); - data[0] = sip_hasher.Finalize() % 256; - break; - } - case 9: { - data.resize(SHA3_256::OUTPUT_SIZE); - sha3.Finalize(data); - break; - } - case 10: { - uint256 out; - muhash.Finalize(out); - break; - } - } - break; - } - } + if (fuzzed_data_provider.ConsumeBool()) { + muhash *= MuHash3072(data); + } else { + muhash /= MuHash3072(data); + } + }, + [&] { + (void)hash160.Reset(); + (void)hash256.Reset(); + (void)ripemd160.Reset(); + (void)sha1.Reset(); + (void)sha256.Reset(); + (void)sha3.Reset(); + (void)sha512.Reset(); + muhash = MuHash3072(); + }, + [&] { + CallOneOf( + fuzzed_data_provider, + [&] { + data.resize(CHash160::OUTPUT_SIZE); + hash160.Finalize(data); + }, + [&] { + data.resize(CHash256::OUTPUT_SIZE); + hash256.Finalize(data); + }, + [&] { + data.resize(CHMAC_SHA256::OUTPUT_SIZE); + hmac_sha256.Finalize(data.data()); + }, + [&] { + data.resize(CHMAC_SHA512::OUTPUT_SIZE); + hmac_sha512.Finalize(data.data()); + }, + [&] { + data.resize(CRIPEMD160::OUTPUT_SIZE); + ripemd160.Finalize(data.data()); + }, + [&] { + data.resize(CSHA1::OUTPUT_SIZE); + sha1.Finalize(data.data()); + }, + [&] { + data.resize(CSHA256::OUTPUT_SIZE); + sha256.Finalize(data.data()); + }, + [&] { + data.resize(CSHA512::OUTPUT_SIZE); + sha512.Finalize(data.data()); + }, + [&] { + data.resize(1); + data[0] = sip_hasher.Finalize() % 256; + }, + [&] { + data.resize(SHA3_256::OUTPUT_SIZE); + sha3.Finalize(data); + }, + [&] { + uint256 out; + muhash.Finalize(out); + }); + }); } if (fuzzed_data_provider.ConsumeBool()) { uint64_t state[25]; diff --git a/src/test/fuzz/crypto_chacha20.cpp b/src/test/fuzz/crypto_chacha20.cpp index d751466f11..bb8dd4594f 100644 --- a/src/test/fuzz/crypto_chacha20.cpp +++ b/src/test/fuzz/crypto_chacha20.cpp @@ -20,31 +20,26 @@ FUZZ_TARGET(crypto_chacha20) chacha20 = ChaCha20{key.data(), key.size()}; } while (fuzzed_data_provider.ConsumeBool()) { - switch (fuzzed_data_provider.ConsumeIntegralInRange(0, 4)) { - case 0: { - const std::vector<unsigned char> key = ConsumeFixedLengthByteVector(fuzzed_data_provider, fuzzed_data_provider.ConsumeIntegralInRange<size_t>(16, 32)); - chacha20.SetKey(key.data(), key.size()); - break; - } - case 1: { - chacha20.SetIV(fuzzed_data_provider.ConsumeIntegral<uint64_t>()); - break; - } - case 2: { - chacha20.Seek(fuzzed_data_provider.ConsumeIntegral<uint64_t>()); - break; - } - case 3: { - std::vector<uint8_t> output(fuzzed_data_provider.ConsumeIntegralInRange<size_t>(0, 4096)); - chacha20.Keystream(output.data(), output.size()); - break; - } - case 4: { - std::vector<uint8_t> output(fuzzed_data_provider.ConsumeIntegralInRange<size_t>(0, 4096)); - const std::vector<uint8_t> input = ConsumeFixedLengthByteVector(fuzzed_data_provider, output.size()); - chacha20.Crypt(input.data(), output.data(), input.size()); - break; - } - } + CallOneOf( + fuzzed_data_provider, + [&] { + const std::vector<unsigned char> key = ConsumeFixedLengthByteVector(fuzzed_data_provider, fuzzed_data_provider.ConsumeIntegralInRange<size_t>(16, 32)); + chacha20.SetKey(key.data(), key.size()); + }, + [&] { + chacha20.SetIV(fuzzed_data_provider.ConsumeIntegral<uint64_t>()); + }, + [&] { + chacha20.Seek(fuzzed_data_provider.ConsumeIntegral<uint64_t>()); + }, + [&] { + std::vector<uint8_t> output(fuzzed_data_provider.ConsumeIntegralInRange<size_t>(0, 4096)); + chacha20.Keystream(output.data(), output.size()); + }, + [&] { + std::vector<uint8_t> output(fuzzed_data_provider.ConsumeIntegralInRange<size_t>(0, 4096)); + const std::vector<uint8_t> input = ConsumeFixedLengthByteVector(fuzzed_data_provider, output.size()); + chacha20.Crypt(input.data(), output.data(), input.size()); + }); } } diff --git a/src/test/fuzz/crypto_chacha20_poly1305_aead.cpp b/src/test/fuzz/crypto_chacha20_poly1305_aead.cpp index 631af9c70d..1f122082b2 100644 --- a/src/test/fuzz/crypto_chacha20_poly1305_aead.cpp +++ b/src/test/fuzz/crypto_chacha20_poly1305_aead.cpp @@ -29,44 +29,37 @@ FUZZ_TARGET(crypto_chacha20_poly1305_aead) std::vector<uint8_t> out(buffer_size + CHACHA20_POLY1305_AEAD_AAD_LEN + POLY1305_TAGLEN, 0); bool is_encrypt = fuzzed_data_provider.ConsumeBool(); while (fuzzed_data_provider.ConsumeBool()) { - switch (fuzzed_data_provider.ConsumeIntegralInRange<int>(0, 6)) { - case 0: { - buffer_size = fuzzed_data_provider.ConsumeIntegralInRange<size_t>(64, 4096); - in = std::vector<uint8_t>(buffer_size + CHACHA20_POLY1305_AEAD_AAD_LEN + POLY1305_TAGLEN, 0); - out = std::vector<uint8_t>(buffer_size + CHACHA20_POLY1305_AEAD_AAD_LEN + POLY1305_TAGLEN, 0); - break; - } - case 1: { - (void)aead.Crypt(seqnr_payload, seqnr_aad, aad_pos, out.data(), out.size(), in.data(), buffer_size, is_encrypt); - break; - } - case 2: { - uint32_t len = 0; - const bool ok = aead.GetLength(&len, seqnr_aad, aad_pos, in.data()); - assert(ok); - break; - } - case 3: { - seqnr_payload += 1; - aad_pos += CHACHA20_POLY1305_AEAD_AAD_LEN; - if (aad_pos + CHACHA20_POLY1305_AEAD_AAD_LEN > CHACHA20_ROUND_OUTPUT) { - aad_pos = 0; - seqnr_aad += 1; - } - break; - } - case 4: { - seqnr_payload = fuzzed_data_provider.ConsumeIntegral<int>(); - break; - } - case 5: { - seqnr_aad = fuzzed_data_provider.ConsumeIntegral<int>(); - break; - } - case 6: { - is_encrypt = fuzzed_data_provider.ConsumeBool(); - break; - } - } + CallOneOf( + fuzzed_data_provider, + [&] { + buffer_size = fuzzed_data_provider.ConsumeIntegralInRange<size_t>(64, 4096); + in = std::vector<uint8_t>(buffer_size + CHACHA20_POLY1305_AEAD_AAD_LEN + POLY1305_TAGLEN, 0); + out = std::vector<uint8_t>(buffer_size + CHACHA20_POLY1305_AEAD_AAD_LEN + POLY1305_TAGLEN, 0); + }, + [&] { + (void)aead.Crypt(seqnr_payload, seqnr_aad, aad_pos, out.data(), out.size(), in.data(), buffer_size, is_encrypt); + }, + [&] { + uint32_t len = 0; + const bool ok = aead.GetLength(&len, seqnr_aad, aad_pos, in.data()); + assert(ok); + }, + [&] { + seqnr_payload += 1; + aad_pos += CHACHA20_POLY1305_AEAD_AAD_LEN; + if (aad_pos + CHACHA20_POLY1305_AEAD_AAD_LEN > CHACHA20_ROUND_OUTPUT) { + aad_pos = 0; + seqnr_aad += 1; + } + }, + [&] { + seqnr_payload = fuzzed_data_provider.ConsumeIntegral<int>(); + }, + [&] { + seqnr_aad = fuzzed_data_provider.ConsumeIntegral<int>(); + }, + [&] { + is_encrypt = fuzzed_data_provider.ConsumeBool(); + }); } } diff --git a/src/test/fuzz/merkleblock.cpp b/src/test/fuzz/merkleblock.cpp index 15bcfab3ad..23e0baa564 100644 --- a/src/test/fuzz/merkleblock.cpp +++ b/src/test/fuzz/merkleblock.cpp @@ -17,33 +17,31 @@ FUZZ_TARGET(merkleblock) { FuzzedDataProvider fuzzed_data_provider(buffer.data(), buffer.size()); CPartialMerkleTree partial_merkle_tree; - switch (fuzzed_data_provider.ConsumeIntegralInRange<int>(0, 1)) { - case 0: { - const std::optional<CPartialMerkleTree> opt_partial_merkle_tree = ConsumeDeserializable<CPartialMerkleTree>(fuzzed_data_provider); - if (opt_partial_merkle_tree) { - partial_merkle_tree = *opt_partial_merkle_tree; - } - break; - } - case 1: { - CMerkleBlock merkle_block; - const std::optional<CBlock> opt_block = ConsumeDeserializable<CBlock>(fuzzed_data_provider); - CBloomFilter bloom_filter; - std::set<uint256> txids; - if (opt_block && !opt_block->vtx.empty()) { - if (fuzzed_data_provider.ConsumeBool()) { - merkle_block = CMerkleBlock{*opt_block, bloom_filter}; - } else if (fuzzed_data_provider.ConsumeBool()) { - while (fuzzed_data_provider.ConsumeBool()) { - txids.insert(ConsumeUInt256(fuzzed_data_provider)); + CallOneOf( + fuzzed_data_provider, + [&] { + const std::optional<CPartialMerkleTree> opt_partial_merkle_tree = ConsumeDeserializable<CPartialMerkleTree>(fuzzed_data_provider); + if (opt_partial_merkle_tree) { + partial_merkle_tree = *opt_partial_merkle_tree; + } + }, + [&] { + CMerkleBlock merkle_block; + const std::optional<CBlock> opt_block = ConsumeDeserializable<CBlock>(fuzzed_data_provider); + CBloomFilter bloom_filter; + std::set<uint256> txids; + if (opt_block && !opt_block->vtx.empty()) { + if (fuzzed_data_provider.ConsumeBool()) { + merkle_block = CMerkleBlock{*opt_block, bloom_filter}; + } else if (fuzzed_data_provider.ConsumeBool()) { + while (fuzzed_data_provider.ConsumeBool()) { + txids.insert(ConsumeUInt256(fuzzed_data_provider)); + } + merkle_block = CMerkleBlock{*opt_block, txids}; } - merkle_block = CMerkleBlock{*opt_block, txids}; } - } - partial_merkle_tree = merkle_block.txn; - break; - } - } + partial_merkle_tree = merkle_block.txn; + }); (void)partial_merkle_tree.GetNumTransactions(); std::vector<uint256> matches; std::vector<unsigned int> indices; diff --git a/src/test/fuzz/net.cpp b/src/test/fuzz/net.cpp index 3ca921b5cf..31b99600ef 100644 --- a/src/test/fuzz/net.cpp +++ b/src/test/fuzz/net.cpp @@ -32,85 +32,74 @@ FUZZ_TARGET_INIT(net, initialize_net) CNode node{ConsumeNode(fuzzed_data_provider)}; node.SetCommonVersion(fuzzed_data_provider.ConsumeIntegral<int>()); while (fuzzed_data_provider.ConsumeBool()) { - switch (fuzzed_data_provider.ConsumeIntegralInRange<int>(0, 10)) { - case 0: { - node.CloseSocketDisconnect(); - break; - } - case 1: { - node.MaybeSetAddrName(fuzzed_data_provider.ConsumeRandomLengthString(32)); - break; - } - case 2: { - const std::vector<bool> asmap = ConsumeRandomLengthBitVector(fuzzed_data_provider); - if (!SanityCheckASMap(asmap)) { - break; - } - CNodeStats stats; - node.copyStats(stats, asmap); - break; - } - case 3: { - const CNode* add_ref_node = node.AddRef(); - assert(add_ref_node == &node); - break; - } - case 4: { - if (node.GetRefCount() > 0) { - node.Release(); - } - break; - } - case 5: { - if (node.m_addr_known == nullptr) { - break; - } - const std::optional<CAddress> addr_opt = ConsumeDeserializable<CAddress>(fuzzed_data_provider); - if (!addr_opt) { - break; - } - node.AddAddressKnown(*addr_opt); - break; - } - case 6: { - if (node.m_addr_known == nullptr) { - break; - } - const std::optional<CAddress> addr_opt = ConsumeDeserializable<CAddress>(fuzzed_data_provider); - if (!addr_opt) { - break; - } - FastRandomContext fast_random_context{ConsumeUInt256(fuzzed_data_provider)}; - node.PushAddress(*addr_opt, fast_random_context); - break; - } - case 7: { - const std::optional<CInv> inv_opt = ConsumeDeserializable<CInv>(fuzzed_data_provider); - if (!inv_opt) { - break; - } - node.AddKnownTx(inv_opt->hash); - break; - } - case 8: { - node.PushTxInventory(ConsumeUInt256(fuzzed_data_provider)); - break; - } - case 9: { - const std::optional<CService> service_opt = ConsumeDeserializable<CService>(fuzzed_data_provider); - if (!service_opt) { - break; - } - node.SetAddrLocal(*service_opt); - break; - } - case 10: { - const std::vector<uint8_t> b = ConsumeRandomLengthByteVector(fuzzed_data_provider); - bool complete; - node.ReceiveMsgBytes(b, complete); - break; - } - } + CallOneOf( + fuzzed_data_provider, + [&] { + node.CloseSocketDisconnect(); + }, + [&] { + node.MaybeSetAddrName(fuzzed_data_provider.ConsumeRandomLengthString(32)); + }, + [&] { + const std::vector<bool> asmap = ConsumeRandomLengthBitVector(fuzzed_data_provider); + if (!SanityCheckASMap(asmap)) { + return; + } + CNodeStats stats; + node.copyStats(stats, asmap); + }, + [&] { + const CNode* add_ref_node = node.AddRef(); + assert(add_ref_node == &node); + }, + [&] { + if (node.GetRefCount() > 0) { + node.Release(); + } + }, + [&] { + if (node.m_addr_known == nullptr) { + return; + } + const std::optional<CAddress> addr_opt = ConsumeDeserializable<CAddress>(fuzzed_data_provider); + if (!addr_opt) { + return; + } + node.AddAddressKnown(*addr_opt); + }, + [&] { + if (node.m_addr_known == nullptr) { + return; + } + const std::optional<CAddress> addr_opt = ConsumeDeserializable<CAddress>(fuzzed_data_provider); + if (!addr_opt) { + return; + } + FastRandomContext fast_random_context{ConsumeUInt256(fuzzed_data_provider)}; + node.PushAddress(*addr_opt, fast_random_context); + }, + [&] { + const std::optional<CInv> inv_opt = ConsumeDeserializable<CInv>(fuzzed_data_provider); + if (!inv_opt) { + return; + } + node.AddKnownTx(inv_opt->hash); + }, + [&] { + node.PushTxInventory(ConsumeUInt256(fuzzed_data_provider)); + }, + [&] { + const std::optional<CService> service_opt = ConsumeDeserializable<CService>(fuzzed_data_provider); + if (!service_opt) { + return; + } + node.SetAddrLocal(*service_opt); + }, + [&] { + const std::vector<uint8_t> b = ConsumeRandomLengthByteVector(fuzzed_data_provider); + bool complete; + node.ReceiveMsgBytes(b, complete); + }); } (void)node.GetAddrLocal(); diff --git a/src/test/fuzz/policy_estimator.cpp b/src/test/fuzz/policy_estimator.cpp index 35cfc5230b..0393491e4b 100644 --- a/src/test/fuzz/policy_estimator.cpp +++ b/src/test/fuzz/policy_estimator.cpp @@ -24,46 +24,42 @@ FUZZ_TARGET_INIT(policy_estimator, initialize_policy_estimator) FuzzedDataProvider fuzzed_data_provider(buffer.data(), buffer.size()); CBlockPolicyEstimator block_policy_estimator; while (fuzzed_data_provider.ConsumeBool()) { - switch (fuzzed_data_provider.ConsumeIntegralInRange<int>(0, 3)) { - case 0: { - const std::optional<CMutableTransaction> mtx = ConsumeDeserializable<CMutableTransaction>(fuzzed_data_provider); - if (!mtx) { - break; - } - const CTransaction tx{*mtx}; - block_policy_estimator.processTransaction(ConsumeTxMemPoolEntry(fuzzed_data_provider, tx), fuzzed_data_provider.ConsumeBool()); - if (fuzzed_data_provider.ConsumeBool()) { - (void)block_policy_estimator.removeTx(tx.GetHash(), /* inBlock */ fuzzed_data_provider.ConsumeBool()); - } - break; - } - case 1: { - std::vector<CTxMemPoolEntry> mempool_entries; - while (fuzzed_data_provider.ConsumeBool()) { + CallOneOf( + fuzzed_data_provider, + [&] { const std::optional<CMutableTransaction> mtx = ConsumeDeserializable<CMutableTransaction>(fuzzed_data_provider); if (!mtx) { - break; + return; } const CTransaction tx{*mtx}; - mempool_entries.push_back(ConsumeTxMemPoolEntry(fuzzed_data_provider, tx)); - } - std::vector<const CTxMemPoolEntry*> ptrs; - ptrs.reserve(mempool_entries.size()); - for (const CTxMemPoolEntry& mempool_entry : mempool_entries) { - ptrs.push_back(&mempool_entry); - } - block_policy_estimator.processBlock(fuzzed_data_provider.ConsumeIntegral<unsigned int>(), ptrs); - break; - } - case 2: { - (void)block_policy_estimator.removeTx(ConsumeUInt256(fuzzed_data_provider), /* inBlock */ fuzzed_data_provider.ConsumeBool()); - break; - } - case 3: { - block_policy_estimator.FlushUnconfirmed(); - break; - } - } + block_policy_estimator.processTransaction(ConsumeTxMemPoolEntry(fuzzed_data_provider, tx), fuzzed_data_provider.ConsumeBool()); + if (fuzzed_data_provider.ConsumeBool()) { + (void)block_policy_estimator.removeTx(tx.GetHash(), /* inBlock */ fuzzed_data_provider.ConsumeBool()); + } + }, + [&] { + std::vector<CTxMemPoolEntry> mempool_entries; + while (fuzzed_data_provider.ConsumeBool()) { + const std::optional<CMutableTransaction> mtx = ConsumeDeserializable<CMutableTransaction>(fuzzed_data_provider); + if (!mtx) { + break; + } + const CTransaction tx{*mtx}; + mempool_entries.push_back(ConsumeTxMemPoolEntry(fuzzed_data_provider, tx)); + } + std::vector<const CTxMemPoolEntry*> ptrs; + ptrs.reserve(mempool_entries.size()); + for (const CTxMemPoolEntry& mempool_entry : mempool_entries) { + ptrs.push_back(&mempool_entry); + } + block_policy_estimator.processBlock(fuzzed_data_provider.ConsumeIntegral<unsigned int>(), ptrs); + }, + [&] { + (void)block_policy_estimator.removeTx(ConsumeUInt256(fuzzed_data_provider), /* inBlock */ fuzzed_data_provider.ConsumeBool()); + }, + [&] { + block_policy_estimator.FlushUnconfirmed(); + }); (void)block_policy_estimator.estimateFee(fuzzed_data_provider.ConsumeIntegral<int>()); EstimationResult result; (void)block_policy_estimator.estimateRawFee(fuzzed_data_provider.ConsumeIntegral<int>(), fuzzed_data_provider.ConsumeFloatingPoint<double>(), fuzzed_data_provider.PickValueInArray(ALL_FEE_ESTIMATE_HORIZONS), fuzzed_data_provider.ConsumeBool() ? &result : nullptr); diff --git a/src/test/fuzz/rolling_bloom_filter.cpp b/src/test/fuzz/rolling_bloom_filter.cpp index 6087ee964a..2a08b45aa3 100644 --- a/src/test/fuzz/rolling_bloom_filter.cpp +++ b/src/test/fuzz/rolling_bloom_filter.cpp @@ -22,29 +22,27 @@ FUZZ_TARGET(rolling_bloom_filter) fuzzed_data_provider.ConsumeIntegralInRange<unsigned int>(1, 1000), 0.999 / fuzzed_data_provider.ConsumeIntegralInRange<unsigned int>(1, std::numeric_limits<unsigned int>::max())}; while (fuzzed_data_provider.remaining_bytes() > 0) { - switch (fuzzed_data_provider.ConsumeIntegralInRange(0, 2)) { - case 0: { - const std::vector<unsigned char> b = ConsumeRandomLengthByteVector(fuzzed_data_provider); - (void)rolling_bloom_filter.contains(b); - rolling_bloom_filter.insert(b); - const bool present = rolling_bloom_filter.contains(b); - assert(present); - break; - } - case 1: { - const std::optional<uint256> u256 = ConsumeDeserializable<uint256>(fuzzed_data_provider); - if (!u256) { - break; - } - (void)rolling_bloom_filter.contains(*u256); - rolling_bloom_filter.insert(*u256); - const bool present = rolling_bloom_filter.contains(*u256); - assert(present); - break; - } - case 2: - rolling_bloom_filter.reset(); - break; - } + CallOneOf( + fuzzed_data_provider, + [&] { + const std::vector<unsigned char> b = ConsumeRandomLengthByteVector(fuzzed_data_provider); + (void)rolling_bloom_filter.contains(b); + rolling_bloom_filter.insert(b); + const bool present = rolling_bloom_filter.contains(b); + assert(present); + }, + [&] { + const std::optional<uint256> u256 = ConsumeDeserializable<uint256>(fuzzed_data_provider); + if (!u256) { + return; + } + (void)rolling_bloom_filter.contains(*u256); + rolling_bloom_filter.insert(*u256); + const bool present = rolling_bloom_filter.contains(*u256); + assert(present); + }, + [&] { + rolling_bloom_filter.reset(); + }); } } diff --git a/src/test/fuzz/script_ops.cpp b/src/test/fuzz/script_ops.cpp index d232e984bc..bdbfe817ff 100644 --- a/src/test/fuzz/script_ops.cpp +++ b/src/test/fuzz/script_ops.cpp @@ -16,56 +16,53 @@ FUZZ_TARGET(script_ops) FuzzedDataProvider fuzzed_data_provider(buffer.data(), buffer.size()); CScript script = ConsumeScript(fuzzed_data_provider); while (fuzzed_data_provider.remaining_bytes() > 0) { - switch (fuzzed_data_provider.ConsumeIntegralInRange(0, 7)) { - case 0: { - CScript s = ConsumeScript(fuzzed_data_provider); - script = std::move(s); - break; - } - case 1: { - const CScript& s = ConsumeScript(fuzzed_data_provider); - script = s; - break; - } - case 2: - script << fuzzed_data_provider.ConsumeIntegral<int64_t>(); - break; - case 3: - script << ConsumeOpcodeType(fuzzed_data_provider); - break; - case 4: - script << ConsumeScriptNum(fuzzed_data_provider); - break; - case 5: - script << ConsumeRandomLengthByteVector(fuzzed_data_provider); - break; - case 6: - script.clear(); - break; - case 7: { - (void)script.GetSigOpCount(false); - (void)script.GetSigOpCount(true); - (void)script.GetSigOpCount(script); - (void)script.HasValidOps(); - (void)script.IsPayToScriptHash(); - (void)script.IsPayToWitnessScriptHash(); - (void)script.IsPushOnly(); - (void)script.IsUnspendable(); - { - CScript::const_iterator pc = script.begin(); - opcodetype opcode; - (void)script.GetOp(pc, opcode); - std::vector<uint8_t> data; - (void)script.GetOp(pc, opcode, data); - (void)script.IsPushOnly(pc); - } - { - int version; - std::vector<uint8_t> program; - (void)script.IsWitnessProgram(version, program); - } - break; - } - } + CallOneOf( + fuzzed_data_provider, + [&] { + CScript s = ConsumeScript(fuzzed_data_provider); + script = std::move(s); + }, + [&] { + const CScript& s = ConsumeScript(fuzzed_data_provider); + script = s; + }, + [&] { + script << fuzzed_data_provider.ConsumeIntegral<int64_t>(); + }, + [&] { + script << ConsumeOpcodeType(fuzzed_data_provider); + }, + [&] { + script << ConsumeScriptNum(fuzzed_data_provider); + }, + [&] { + script << ConsumeRandomLengthByteVector(fuzzed_data_provider); + }, + [&] { + script.clear(); + }, + [&] { + (void)script.GetSigOpCount(false); + (void)script.GetSigOpCount(true); + (void)script.GetSigOpCount(script); + (void)script.HasValidOps(); + (void)script.IsPayToScriptHash(); + (void)script.IsPayToWitnessScriptHash(); + (void)script.IsPushOnly(); + (void)script.IsUnspendable(); + { + CScript::const_iterator pc = script.begin(); + opcodetype opcode; + (void)script.GetOp(pc, opcode); + std::vector<uint8_t> data; + (void)script.GetOp(pc, opcode, data); + (void)script.IsPushOnly(pc); + } + { + int version; + std::vector<uint8_t> program; + (void)script.IsWitnessProgram(version, program); + } + }); } } diff --git a/src/test/fuzz/scriptnum_ops.cpp b/src/test/fuzz/scriptnum_ops.cpp index 650318f13c..bc4867839c 100644 --- a/src/test/fuzz/scriptnum_ops.cpp +++ b/src/test/fuzz/scriptnum_ops.cpp @@ -29,105 +29,99 @@ FUZZ_TARGET(scriptnum_ops) FuzzedDataProvider fuzzed_data_provider(buffer.data(), buffer.size()); CScriptNum script_num = ConsumeScriptNum(fuzzed_data_provider); while (fuzzed_data_provider.remaining_bytes() > 0) { - switch (fuzzed_data_provider.ConsumeIntegralInRange(0, 11)) { - case 0: { - const int64_t i = fuzzed_data_provider.ConsumeIntegral<int64_t>(); - assert((script_num == i) != (script_num != i)); - assert((script_num <= i) != (script_num > i)); - assert((script_num >= i) != (script_num < i)); - // Avoid signed integer overflow: - // script/script.h:264:93: runtime error: signed integer overflow: -2261405121394637306 + -9223372036854775802 cannot be represented in type 'long' - if (IsValidAddition(script_num, CScriptNum{i})) { - assert((script_num + i) - i == script_num); - } - // Avoid signed integer overflow: - // script/script.h:265:93: runtime error: signed integer overflow: 9223371895120855039 - -9223372036854710486 cannot be represented in type 'long' - if (IsValidSubtraction(script_num, CScriptNum{i})) { - assert((script_num - i) + i == script_num); - } - break; - } - case 1: { - const CScriptNum random_script_num = ConsumeScriptNum(fuzzed_data_provider); - assert((script_num == random_script_num) != (script_num != random_script_num)); - assert((script_num <= random_script_num) != (script_num > random_script_num)); - assert((script_num >= random_script_num) != (script_num < random_script_num)); - // Avoid signed integer overflow: - // script/script.h:264:93: runtime error: signed integer overflow: -9223126527765971126 + -9223372036854756825 cannot be represented in type 'long' - if (IsValidAddition(script_num, random_script_num)) { - assert((script_num + random_script_num) - random_script_num == script_num); - } - // Avoid signed integer overflow: - // script/script.h:265:93: runtime error: signed integer overflow: 6052837899185946624 - -9223372036854775808 cannot be represented in type 'long' - if (IsValidSubtraction(script_num, random_script_num)) { - assert((script_num - random_script_num) + random_script_num == script_num); - } - break; - } - case 2: { - const CScriptNum random_script_num = ConsumeScriptNum(fuzzed_data_provider); - if (!IsValidAddition(script_num, random_script_num)) { - // Avoid assertion failure: - // ./script/script.h:292: CScriptNum &CScriptNum::operator+=(const int64_t &): Assertion `rhs == 0 || (rhs > 0 && m_value <= std::numeric_limits<int64_t>::max() - rhs) || (rhs < 0 && m_value >= std::numeric_limits<int64_t>::min() - rhs)' failed. - break; - } - script_num += random_script_num; - break; - } - case 3: { - const CScriptNum random_script_num = ConsumeScriptNum(fuzzed_data_provider); - if (!IsValidSubtraction(script_num, random_script_num)) { - // Avoid assertion failure: - // ./script/script.h:300: CScriptNum &CScriptNum::operator-=(const int64_t &): Assertion `rhs == 0 || (rhs > 0 && m_value >= std::numeric_limits<int64_t>::min() + rhs) || (rhs < 0 && m_value <= std::numeric_limits<int64_t>::max() + rhs)' failed. - break; - } - script_num -= random_script_num; - break; - } - case 4: - script_num = script_num & fuzzed_data_provider.ConsumeIntegral<int64_t>(); - break; - case 5: - script_num = script_num & ConsumeScriptNum(fuzzed_data_provider); - break; - case 6: - script_num &= ConsumeScriptNum(fuzzed_data_provider); - break; - case 7: - if (script_num == CScriptNum{std::numeric_limits<int64_t>::min()}) { - // Avoid assertion failure: - // ./script/script.h:279: CScriptNum CScriptNum::operator-() const: Assertion `m_value != std::numeric_limits<int64_t>::min()' failed. - break; - } - script_num = -script_num; - break; - case 8: - script_num = fuzzed_data_provider.ConsumeIntegral<int64_t>(); - break; - case 9: { - const int64_t random_integer = fuzzed_data_provider.ConsumeIntegral<int64_t>(); - if (!IsValidAddition(script_num, CScriptNum{random_integer})) { - // Avoid assertion failure: - // ./script/script.h:292: CScriptNum &CScriptNum::operator+=(const int64_t &): Assertion `rhs == 0 || (rhs > 0 && m_value <= std::numeric_limits<int64_t>::max() - rhs) || (rhs < 0 && m_value >= std::numeric_limits<int64_t>::min() - rhs)' failed. - break; - } - script_num += random_integer; - break; - } - case 10: { - const int64_t random_integer = fuzzed_data_provider.ConsumeIntegral<int64_t>(); - if (!IsValidSubtraction(script_num, CScriptNum{random_integer})) { - // Avoid assertion failure: - // ./script/script.h:300: CScriptNum &CScriptNum::operator-=(const int64_t &): Assertion `rhs == 0 || (rhs > 0 && m_value >= std::numeric_limits<int64_t>::min() + rhs) || (rhs < 0 && m_value <= std::numeric_limits<int64_t>::max() + rhs)' failed. - break; - } - script_num -= random_integer; - break; - } - case 11: - script_num &= fuzzed_data_provider.ConsumeIntegral<int64_t>(); - break; - } + CallOneOf( + fuzzed_data_provider, + [&] { + const int64_t i = fuzzed_data_provider.ConsumeIntegral<int64_t>(); + assert((script_num == i) != (script_num != i)); + assert((script_num <= i) != (script_num > i)); + assert((script_num >= i) != (script_num < i)); + // Avoid signed integer overflow: + // script/script.h:264:93: runtime error: signed integer overflow: -2261405121394637306 + -9223372036854775802 cannot be represented in type 'long' + if (IsValidAddition(script_num, CScriptNum{i})) { + assert((script_num + i) - i == script_num); + } + // Avoid signed integer overflow: + // script/script.h:265:93: runtime error: signed integer overflow: 9223371895120855039 - -9223372036854710486 cannot be represented in type 'long' + if (IsValidSubtraction(script_num, CScriptNum{i})) { + assert((script_num - i) + i == script_num); + } + }, + [&] { + const CScriptNum random_script_num = ConsumeScriptNum(fuzzed_data_provider); + assert((script_num == random_script_num) != (script_num != random_script_num)); + assert((script_num <= random_script_num) != (script_num > random_script_num)); + assert((script_num >= random_script_num) != (script_num < random_script_num)); + // Avoid signed integer overflow: + // script/script.h:264:93: runtime error: signed integer overflow: -9223126527765971126 + -9223372036854756825 cannot be represented in type 'long' + if (IsValidAddition(script_num, random_script_num)) { + assert((script_num + random_script_num) - random_script_num == script_num); + } + // Avoid signed integer overflow: + // script/script.h:265:93: runtime error: signed integer overflow: 6052837899185946624 - -9223372036854775808 cannot be represented in type 'long' + if (IsValidSubtraction(script_num, random_script_num)) { + assert((script_num - random_script_num) + random_script_num == script_num); + } + }, + [&] { + const CScriptNum random_script_num = ConsumeScriptNum(fuzzed_data_provider); + if (!IsValidAddition(script_num, random_script_num)) { + // Avoid assertion failure: + // ./script/script.h:292: CScriptNum &CScriptNum::operator+=(const int64_t &): Assertion `rhs == 0 || (rhs > 0 && m_value <= std::numeric_limits<int64_t>::max() - rhs) || (rhs < 0 && m_value >= std::numeric_limits<int64_t>::min() - rhs)' failed. + return; + } + script_num += random_script_num; + }, + [&] { + const CScriptNum random_script_num = ConsumeScriptNum(fuzzed_data_provider); + if (!IsValidSubtraction(script_num, random_script_num)) { + // Avoid assertion failure: + // ./script/script.h:300: CScriptNum &CScriptNum::operator-=(const int64_t &): Assertion `rhs == 0 || (rhs > 0 && m_value >= std::numeric_limits<int64_t>::min() + rhs) || (rhs < 0 && m_value <= std::numeric_limits<int64_t>::max() + rhs)' failed. + return; + } + script_num -= random_script_num; + }, + [&] { + script_num = script_num & fuzzed_data_provider.ConsumeIntegral<int64_t>(); + }, + [&] { + script_num = script_num & ConsumeScriptNum(fuzzed_data_provider); + }, + [&] { + script_num &= ConsumeScriptNum(fuzzed_data_provider); + }, + [&] { + if (script_num == CScriptNum{std::numeric_limits<int64_t>::min()}) { + // Avoid assertion failure: + // ./script/script.h:279: CScriptNum CScriptNum::operator-() const: Assertion `m_value != std::numeric_limits<int64_t>::min()' failed. + return; + } + script_num = -script_num; + }, + [&] { + script_num = fuzzed_data_provider.ConsumeIntegral<int64_t>(); + }, + [&] { + const int64_t random_integer = fuzzed_data_provider.ConsumeIntegral<int64_t>(); + if (!IsValidAddition(script_num, CScriptNum{random_integer})) { + // Avoid assertion failure: + // ./script/script.h:292: CScriptNum &CScriptNum::operator+=(const int64_t &): Assertion `rhs == 0 || (rhs > 0 && m_value <= std::numeric_limits<int64_t>::max() - rhs) || (rhs < 0 && m_value >= std::numeric_limits<int64_t>::min() - rhs)' failed. + return; + } + script_num += random_integer; + }, + [&] { + const int64_t random_integer = fuzzed_data_provider.ConsumeIntegral<int64_t>(); + if (!IsValidSubtraction(script_num, CScriptNum{random_integer})) { + // Avoid assertion failure: + // ./script/script.h:300: CScriptNum &CScriptNum::operator-=(const int64_t &): Assertion `rhs == 0 || (rhs > 0 && m_value >= std::numeric_limits<int64_t>::min() + rhs) || (rhs < 0 && m_value <= std::numeric_limits<int64_t>::max() + rhs)' failed. + return; + } + script_num -= random_integer; + }, + [&] { + script_num &= fuzzed_data_provider.ConsumeIntegral<int64_t>(); + }); (void)script_num.getint(); (void)script_num.getvch(); } diff --git a/src/test/fuzz/strprintf.cpp b/src/test/fuzz/strprintf.cpp index 4af0e750ce..b66a7abfb3 100644 --- a/src/test/fuzz/strprintf.cpp +++ b/src/test/fuzz/strprintf.cpp @@ -4,6 +4,7 @@ #include <test/fuzz/FuzzedDataProvider.h> #include <test/fuzz/fuzz.h> +#include <test/fuzz/util.h> #include <tinyformat.h> #include <util/strencodings.h> #include <util/translation.h> @@ -109,32 +110,32 @@ FUZZ_TARGET(str_printf) } try { - switch (fuzzed_data_provider.ConsumeIntegralInRange(0, 5)) { - case 0: - (void)strprintf(format_string, fuzzed_data_provider.ConsumeRandomLengthString(32)); - (void)tinyformat::format(bilingual_string, fuzzed_data_provider.ConsumeRandomLengthString(32)); - break; - case 1: - (void)strprintf(format_string, fuzzed_data_provider.ConsumeRandomLengthString(32).c_str()); - (void)tinyformat::format(bilingual_string, fuzzed_data_provider.ConsumeRandomLengthString(32).c_str()); - break; - case 2: - (void)strprintf(format_string, fuzzed_data_provider.ConsumeIntegral<signed char>()); - (void)tinyformat::format(bilingual_string, fuzzed_data_provider.ConsumeIntegral<signed char>()); - break; - case 3: - (void)strprintf(format_string, fuzzed_data_provider.ConsumeIntegral<unsigned char>()); - (void)tinyformat::format(bilingual_string, fuzzed_data_provider.ConsumeIntegral<unsigned char>()); - break; - case 4: - (void)strprintf(format_string, fuzzed_data_provider.ConsumeIntegral<char>()); - (void)tinyformat::format(bilingual_string, fuzzed_data_provider.ConsumeIntegral<char>()); - break; - case 5: - (void)strprintf(format_string, fuzzed_data_provider.ConsumeBool()); - (void)tinyformat::format(bilingual_string, fuzzed_data_provider.ConsumeBool()); - break; - } + CallOneOf( + fuzzed_data_provider, + [&] { + (void)strprintf(format_string, fuzzed_data_provider.ConsumeRandomLengthString(32)); + (void)tinyformat::format(bilingual_string, fuzzed_data_provider.ConsumeRandomLengthString(32)); + }, + [&] { + (void)strprintf(format_string, fuzzed_data_provider.ConsumeRandomLengthString(32).c_str()); + (void)tinyformat::format(bilingual_string, fuzzed_data_provider.ConsumeRandomLengthString(32).c_str()); + }, + [&] { + (void)strprintf(format_string, fuzzed_data_provider.ConsumeIntegral<signed char>()); + (void)tinyformat::format(bilingual_string, fuzzed_data_provider.ConsumeIntegral<signed char>()); + }, + [&] { + (void)strprintf(format_string, fuzzed_data_provider.ConsumeIntegral<unsigned char>()); + (void)tinyformat::format(bilingual_string, fuzzed_data_provider.ConsumeIntegral<unsigned char>()); + }, + [&] { + (void)strprintf(format_string, fuzzed_data_provider.ConsumeIntegral<char>()); + (void)tinyformat::format(bilingual_string, fuzzed_data_provider.ConsumeIntegral<char>()); + }, + [&] { + (void)strprintf(format_string, fuzzed_data_provider.ConsumeBool()); + (void)tinyformat::format(bilingual_string, fuzzed_data_provider.ConsumeBool()); + }); } catch (const tinyformat::format_error&) { } @@ -155,40 +156,40 @@ FUZZ_TARGET(str_printf) } try { - switch (fuzzed_data_provider.ConsumeIntegralInRange(0, 7)) { - case 0: - (void)strprintf(format_string, fuzzed_data_provider.ConsumeFloatingPoint<float>()); - (void)tinyformat::format(bilingual_string, fuzzed_data_provider.ConsumeFloatingPoint<float>()); - break; - case 1: - (void)strprintf(format_string, fuzzed_data_provider.ConsumeFloatingPoint<double>()); - (void)tinyformat::format(bilingual_string, fuzzed_data_provider.ConsumeFloatingPoint<double>()); - break; - case 2: - (void)strprintf(format_string, fuzzed_data_provider.ConsumeIntegral<int16_t>()); - (void)tinyformat::format(bilingual_string, fuzzed_data_provider.ConsumeIntegral<int16_t>()); - break; - case 3: - (void)strprintf(format_string, fuzzed_data_provider.ConsumeIntegral<uint16_t>()); - (void)tinyformat::format(bilingual_string, fuzzed_data_provider.ConsumeIntegral<uint16_t>()); - break; - case 4: - (void)strprintf(format_string, fuzzed_data_provider.ConsumeIntegral<int32_t>()); - (void)tinyformat::format(bilingual_string, fuzzed_data_provider.ConsumeIntegral<int32_t>()); - break; - case 5: - (void)strprintf(format_string, fuzzed_data_provider.ConsumeIntegral<uint32_t>()); - (void)tinyformat::format(bilingual_string, fuzzed_data_provider.ConsumeIntegral<uint32_t>()); - break; - case 6: - (void)strprintf(format_string, fuzzed_data_provider.ConsumeIntegral<int64_t>()); - (void)tinyformat::format(bilingual_string, fuzzed_data_provider.ConsumeIntegral<int64_t>()); - break; - case 7: - (void)strprintf(format_string, fuzzed_data_provider.ConsumeIntegral<uint64_t>()); - (void)tinyformat::format(bilingual_string, fuzzed_data_provider.ConsumeIntegral<uint64_t>()); - break; - } + CallOneOf( + fuzzed_data_provider, + [&] { + (void)strprintf(format_string, fuzzed_data_provider.ConsumeFloatingPoint<float>()); + (void)tinyformat::format(bilingual_string, fuzzed_data_provider.ConsumeFloatingPoint<float>()); + }, + [&] { + (void)strprintf(format_string, fuzzed_data_provider.ConsumeFloatingPoint<double>()); + (void)tinyformat::format(bilingual_string, fuzzed_data_provider.ConsumeFloatingPoint<double>()); + }, + [&] { + (void)strprintf(format_string, fuzzed_data_provider.ConsumeIntegral<int16_t>()); + (void)tinyformat::format(bilingual_string, fuzzed_data_provider.ConsumeIntegral<int16_t>()); + }, + [&] { + (void)strprintf(format_string, fuzzed_data_provider.ConsumeIntegral<uint16_t>()); + (void)tinyformat::format(bilingual_string, fuzzed_data_provider.ConsumeIntegral<uint16_t>()); + }, + [&] { + (void)strprintf(format_string, fuzzed_data_provider.ConsumeIntegral<int32_t>()); + (void)tinyformat::format(bilingual_string, fuzzed_data_provider.ConsumeIntegral<int32_t>()); + }, + [&] { + (void)strprintf(format_string, fuzzed_data_provider.ConsumeIntegral<uint32_t>()); + (void)tinyformat::format(bilingual_string, fuzzed_data_provider.ConsumeIntegral<uint32_t>()); + }, + [&] { + (void)strprintf(format_string, fuzzed_data_provider.ConsumeIntegral<int64_t>()); + (void)tinyformat::format(bilingual_string, fuzzed_data_provider.ConsumeIntegral<int64_t>()); + }, + [&] { + (void)strprintf(format_string, fuzzed_data_provider.ConsumeIntegral<uint64_t>()); + (void)tinyformat::format(bilingual_string, fuzzed_data_provider.ConsumeIntegral<uint64_t>()); + }); } catch (const tinyformat::format_error&) { } } diff --git a/src/test/fuzz/system.cpp b/src/test/fuzz/system.cpp index 375a8c1ed0..47b38b6d23 100644 --- a/src/test/fuzz/system.cpp +++ b/src/test/fuzz/system.cpp @@ -32,71 +32,63 @@ FUZZ_TARGET(system) } while (fuzzed_data_provider.ConsumeBool()) { - switch (fuzzed_data_provider.ConsumeIntegralInRange<int>(0, 7)) { - case 0: { - args_manager.SelectConfigNetwork(fuzzed_data_provider.ConsumeRandomLengthString(16)); - break; - } - case 1: { - args_manager.SoftSetArg(fuzzed_data_provider.ConsumeRandomLengthString(16), fuzzed_data_provider.ConsumeRandomLengthString(16)); - break; - } - case 2: { - args_manager.ForceSetArg(fuzzed_data_provider.ConsumeRandomLengthString(16), fuzzed_data_provider.ConsumeRandomLengthString(16)); - break; - } - case 3: { - args_manager.SoftSetBoolArg(fuzzed_data_provider.ConsumeRandomLengthString(16), fuzzed_data_provider.ConsumeBool()); - break; - } - case 4: { - const OptionsCategory options_category = fuzzed_data_provider.PickValueInArray<OptionsCategory>({OptionsCategory::OPTIONS, OptionsCategory::CONNECTION, OptionsCategory::WALLET, OptionsCategory::WALLET_DEBUG_TEST, OptionsCategory::ZMQ, OptionsCategory::DEBUG_TEST, OptionsCategory::CHAINPARAMS, OptionsCategory::NODE_RELAY, OptionsCategory::BLOCK_CREATION, OptionsCategory::RPC, OptionsCategory::GUI, OptionsCategory::COMMANDS, OptionsCategory::REGISTER_COMMANDS, OptionsCategory::HIDDEN}); - // Avoid hitting: - // util/system.cpp:425: void ArgsManager::AddArg(const std::string &, const std::string &, unsigned int, const OptionsCategory &): Assertion `ret.second' failed. - const std::string argument_name = GetArgumentName(fuzzed_data_provider.ConsumeRandomLengthString(16)); - if (args_manager.GetArgFlags(argument_name) != nullopt) { - break; - } - args_manager.AddArg(argument_name, fuzzed_data_provider.ConsumeRandomLengthString(16), fuzzed_data_provider.ConsumeIntegral<unsigned int>(), options_category); - break; - } - case 5: { - // Avoid hitting: - // util/system.cpp:425: void ArgsManager::AddArg(const std::string &, const std::string &, unsigned int, const OptionsCategory &): Assertion `ret.second' failed. - const std::vector<std::string> names = ConsumeRandomLengthStringVector(fuzzed_data_provider); - std::vector<std::string> hidden_arguments; - for (const std::string& name : names) { - const std::string hidden_argument = GetArgumentName(name); - if (args_manager.GetArgFlags(hidden_argument) != nullopt) { - continue; + CallOneOf( + fuzzed_data_provider, + [&] { + args_manager.SelectConfigNetwork(fuzzed_data_provider.ConsumeRandomLengthString(16)); + }, + [&] { + args_manager.SoftSetArg(fuzzed_data_provider.ConsumeRandomLengthString(16), fuzzed_data_provider.ConsumeRandomLengthString(16)); + }, + [&] { + args_manager.ForceSetArg(fuzzed_data_provider.ConsumeRandomLengthString(16), fuzzed_data_provider.ConsumeRandomLengthString(16)); + }, + [&] { + args_manager.SoftSetBoolArg(fuzzed_data_provider.ConsumeRandomLengthString(16), fuzzed_data_provider.ConsumeBool()); + }, + [&] { + const OptionsCategory options_category = fuzzed_data_provider.PickValueInArray<OptionsCategory>({OptionsCategory::OPTIONS, OptionsCategory::CONNECTION, OptionsCategory::WALLET, OptionsCategory::WALLET_DEBUG_TEST, OptionsCategory::ZMQ, OptionsCategory::DEBUG_TEST, OptionsCategory::CHAINPARAMS, OptionsCategory::NODE_RELAY, OptionsCategory::BLOCK_CREATION, OptionsCategory::RPC, OptionsCategory::GUI, OptionsCategory::COMMANDS, OptionsCategory::REGISTER_COMMANDS, OptionsCategory::HIDDEN}); + // Avoid hitting: + // util/system.cpp:425: void ArgsManager::AddArg(const std::string &, const std::string &, unsigned int, const OptionsCategory &): Assertion `ret.second' failed. + const std::string argument_name = GetArgumentName(fuzzed_data_provider.ConsumeRandomLengthString(16)); + if (args_manager.GetArgFlags(argument_name) != nullopt) { + return; } - if (std::find(hidden_arguments.begin(), hidden_arguments.end(), hidden_argument) != hidden_arguments.end()) { - continue; + args_manager.AddArg(argument_name, fuzzed_data_provider.ConsumeRandomLengthString(16), fuzzed_data_provider.ConsumeIntegral<unsigned int>(), options_category); + }, + [&] { + // Avoid hitting: + // util/system.cpp:425: void ArgsManager::AddArg(const std::string &, const std::string &, unsigned int, const OptionsCategory &): Assertion `ret.second' failed. + const std::vector<std::string> names = ConsumeRandomLengthStringVector(fuzzed_data_provider); + std::vector<std::string> hidden_arguments; + for (const std::string& name : names) { + const std::string hidden_argument = GetArgumentName(name); + if (args_manager.GetArgFlags(hidden_argument) != nullopt) { + continue; + } + if (std::find(hidden_arguments.begin(), hidden_arguments.end(), hidden_argument) != hidden_arguments.end()) { + continue; + } + hidden_arguments.push_back(hidden_argument); } - hidden_arguments.push_back(hidden_argument); - } - args_manager.AddHiddenArgs(hidden_arguments); - break; - } - case 6: { - args_manager.ClearArgs(); - break; - } - case 7: { - const std::vector<std::string> random_arguments = ConsumeRandomLengthStringVector(fuzzed_data_provider); - std::vector<const char*> argv; - argv.reserve(random_arguments.size()); - for (const std::string& random_argument : random_arguments) { - argv.push_back(random_argument.c_str()); - } - try { - std::string error; - (void)args_manager.ParseParameters(argv.size(), argv.data(), error); - } catch (const std::logic_error&) { - } - break; - } - } + args_manager.AddHiddenArgs(hidden_arguments); + }, + [&] { + args_manager.ClearArgs(); + }, + [&] { + const std::vector<std::string> random_arguments = ConsumeRandomLengthStringVector(fuzzed_data_provider); + std::vector<const char*> argv; + argv.reserve(random_arguments.size()); + for (const std::string& random_argument : random_arguments) { + argv.push_back(random_argument.c_str()); + } + try { + std::string error; + (void)args_manager.ParseParameters(argv.size(), argv.data(), error); + } catch (const std::logic_error&) { + } + }); } const std::string s1 = fuzzed_data_provider.ConsumeRandomLengthString(16); diff --git a/src/test/fuzz/util.h b/src/test/fuzz/util.h index 4e8e501895..b7cf395e76 100644 --- a/src/test/fuzz/util.h +++ b/src/test/fuzz/util.h @@ -36,6 +36,17 @@ #include <string> #include <vector> +template <typename... Callables> +void CallOneOf(FuzzedDataProvider& fuzzed_data_provider, Callables... callables) +{ + constexpr size_t call_size{sizeof...(callables)}; + static_assert(call_size >= 1); + const size_t call_index{fuzzed_data_provider.ConsumeIntegralInRange<size_t>(0, call_size - 1)}; + + size_t i{0}; + return ((i++ == call_index ? callables() : void()), ...); +} + [[nodiscard]] inline std::vector<uint8_t> ConsumeRandomLengthByteVector(FuzzedDataProvider& fuzzed_data_provider, const size_t max_length = 4096) noexcept { const std::string s = fuzzed_data_provider.ConsumeRandomLengthString(max_length); @@ -165,37 +176,31 @@ template <typename WeakEnumType, size_t size> [[nodiscard]] inline CTxDestination ConsumeTxDestination(FuzzedDataProvider& fuzzed_data_provider) noexcept { CTxDestination tx_destination; - switch (fuzzed_data_provider.ConsumeIntegralInRange<int>(0, 5)) { - case 0: { - tx_destination = CNoDestination{}; - break; - } - case 1: { - tx_destination = PKHash{ConsumeUInt160(fuzzed_data_provider)}; - break; - } - case 2: { - tx_destination = ScriptHash{ConsumeUInt160(fuzzed_data_provider)}; - break; - } - case 3: { - tx_destination = WitnessV0ScriptHash{ConsumeUInt256(fuzzed_data_provider)}; - break; - } - case 4: { - tx_destination = WitnessV0KeyHash{ConsumeUInt160(fuzzed_data_provider)}; - break; - } - case 5: { - WitnessUnknown witness_unknown{}; - witness_unknown.version = fuzzed_data_provider.ConsumeIntegral<int>(); - const std::vector<uint8_t> witness_unknown_program_1 = fuzzed_data_provider.ConsumeBytes<uint8_t>(40); - witness_unknown.length = witness_unknown_program_1.size(); - std::copy(witness_unknown_program_1.begin(), witness_unknown_program_1.end(), witness_unknown.program); - tx_destination = witness_unknown; - break; - } - } + CallOneOf( + fuzzed_data_provider, + [&] { + tx_destination = CNoDestination{}; + }, + [&] { + tx_destination = PKHash{ConsumeUInt160(fuzzed_data_provider)}; + }, + [&] { + tx_destination = ScriptHash{ConsumeUInt160(fuzzed_data_provider)}; + }, + [&] { + tx_destination = WitnessV0ScriptHash{ConsumeUInt256(fuzzed_data_provider)}; + }, + [&] { + tx_destination = WitnessV0KeyHash{ConsumeUInt160(fuzzed_data_provider)}; + }, + [&] { + WitnessUnknown witness_unknown{}; + witness_unknown.version = fuzzed_data_provider.ConsumeIntegral<int>(); + const std::vector<uint8_t> witness_unknown_program_1 = fuzzed_data_provider.ConsumeBytes<uint8_t>(40); + witness_unknown.length = witness_unknown_program_1.size(); + std::copy(witness_unknown_program_1.begin(), witness_unknown_program_1.end(), witness_unknown.program); + tx_destination = witness_unknown; + }); return tx_destination; } @@ -354,32 +359,26 @@ public: return nullptr; } std::string mode; - switch (m_fuzzed_data_provider.ConsumeIntegralInRange<int>(0, 5)) { - case 0: { - mode = "r"; - break; - } - case 1: { - mode = "r+"; - break; - } - case 2: { - mode = "w"; - break; - } - case 3: { - mode = "w+"; - break; - } - case 4: { - mode = "a"; - break; - } - case 5: { - mode = "a+"; - break; - } - } + CallOneOf( + m_fuzzed_data_provider, + [&] { + mode = "r"; + }, + [&] { + mode = "r+"; + }, + [&] { + mode = "w"; + }, + [&] { + mode = "w+"; + }, + [&] { + mode = "a"; + }, + [&] { + mode = "a+"; + }); #ifdef _GNU_SOURCE const cookie_io_functions_t io_hooks = { FuzzedFileProvider::read, @@ -477,66 +476,64 @@ public: return {fuzzed_data_provider}; } -#define WRITE_TO_STREAM_CASE(id, type, consume) \ - case id: { \ - type o = consume; \ - stream << o; \ - break; \ +#define WRITE_TO_STREAM_CASE(type, consume) \ + [&] { \ + type o = consume; \ + stream << o; \ } template <typename Stream> void WriteToStream(FuzzedDataProvider& fuzzed_data_provider, Stream& stream) noexcept { while (fuzzed_data_provider.ConsumeBool()) { try { - switch (fuzzed_data_provider.ConsumeIntegralInRange<int>(0, 13)) { - WRITE_TO_STREAM_CASE(0, bool, fuzzed_data_provider.ConsumeBool()) - WRITE_TO_STREAM_CASE(1, char, fuzzed_data_provider.ConsumeIntegral<char>()) - WRITE_TO_STREAM_CASE(2, int8_t, fuzzed_data_provider.ConsumeIntegral<int8_t>()) - WRITE_TO_STREAM_CASE(3, uint8_t, fuzzed_data_provider.ConsumeIntegral<uint8_t>()) - WRITE_TO_STREAM_CASE(4, int16_t, fuzzed_data_provider.ConsumeIntegral<int16_t>()) - WRITE_TO_STREAM_CASE(5, uint16_t, fuzzed_data_provider.ConsumeIntegral<uint16_t>()) - WRITE_TO_STREAM_CASE(6, int32_t, fuzzed_data_provider.ConsumeIntegral<int32_t>()) - WRITE_TO_STREAM_CASE(7, uint32_t, fuzzed_data_provider.ConsumeIntegral<uint32_t>()) - WRITE_TO_STREAM_CASE(8, int64_t, fuzzed_data_provider.ConsumeIntegral<int64_t>()) - WRITE_TO_STREAM_CASE(9, uint64_t, fuzzed_data_provider.ConsumeIntegral<uint64_t>()) - WRITE_TO_STREAM_CASE(10, float, fuzzed_data_provider.ConsumeFloatingPoint<float>()) - WRITE_TO_STREAM_CASE(11, double, fuzzed_data_provider.ConsumeFloatingPoint<double>()) - WRITE_TO_STREAM_CASE(12, std::string, fuzzed_data_provider.ConsumeRandomLengthString(32)) - WRITE_TO_STREAM_CASE(13, std::vector<char>, ConsumeRandomLengthIntegralVector<char>(fuzzed_data_provider)) - } + CallOneOf( + fuzzed_data_provider, + WRITE_TO_STREAM_CASE(bool, fuzzed_data_provider.ConsumeBool()), + WRITE_TO_STREAM_CASE(char, fuzzed_data_provider.ConsumeIntegral<char>()), + WRITE_TO_STREAM_CASE(int8_t, fuzzed_data_provider.ConsumeIntegral<int8_t>()), + WRITE_TO_STREAM_CASE(uint8_t, fuzzed_data_provider.ConsumeIntegral<uint8_t>()), + WRITE_TO_STREAM_CASE(int16_t, fuzzed_data_provider.ConsumeIntegral<int16_t>()), + WRITE_TO_STREAM_CASE(uint16_t, fuzzed_data_provider.ConsumeIntegral<uint16_t>()), + WRITE_TO_STREAM_CASE(int32_t, fuzzed_data_provider.ConsumeIntegral<int32_t>()), + WRITE_TO_STREAM_CASE(uint32_t, fuzzed_data_provider.ConsumeIntegral<uint32_t>()), + WRITE_TO_STREAM_CASE(int64_t, fuzzed_data_provider.ConsumeIntegral<int64_t>()), + WRITE_TO_STREAM_CASE(uint64_t, fuzzed_data_provider.ConsumeIntegral<uint64_t>()), + WRITE_TO_STREAM_CASE(float, fuzzed_data_provider.ConsumeFloatingPoint<float>()), + WRITE_TO_STREAM_CASE(double, fuzzed_data_provider.ConsumeFloatingPoint<double>()), + WRITE_TO_STREAM_CASE(std::string, fuzzed_data_provider.ConsumeRandomLengthString(32)), + WRITE_TO_STREAM_CASE(std::vector<char>, ConsumeRandomLengthIntegralVector<char>(fuzzed_data_provider))); } catch (const std::ios_base::failure&) { break; } } } -#define READ_FROM_STREAM_CASE(id, type) \ - case id: { \ - type o; \ - stream >> o; \ - break; \ +#define READ_FROM_STREAM_CASE(type) \ + [&] { \ + type o; \ + stream >> o; \ } template <typename Stream> void ReadFromStream(FuzzedDataProvider& fuzzed_data_provider, Stream& stream) noexcept { while (fuzzed_data_provider.ConsumeBool()) { try { - switch (fuzzed_data_provider.ConsumeIntegralInRange<int>(0, 13)) { - READ_FROM_STREAM_CASE(0, bool) - READ_FROM_STREAM_CASE(1, char) - READ_FROM_STREAM_CASE(2, int8_t) - READ_FROM_STREAM_CASE(3, uint8_t) - READ_FROM_STREAM_CASE(4, int16_t) - READ_FROM_STREAM_CASE(5, uint16_t) - READ_FROM_STREAM_CASE(6, int32_t) - READ_FROM_STREAM_CASE(7, uint32_t) - READ_FROM_STREAM_CASE(8, int64_t) - READ_FROM_STREAM_CASE(9, uint64_t) - READ_FROM_STREAM_CASE(10, float) - READ_FROM_STREAM_CASE(11, double) - READ_FROM_STREAM_CASE(12, std::string) - READ_FROM_STREAM_CASE(13, std::vector<char>) - } + CallOneOf( + fuzzed_data_provider, + READ_FROM_STREAM_CASE(bool), + READ_FROM_STREAM_CASE(char), + READ_FROM_STREAM_CASE(int8_t), + READ_FROM_STREAM_CASE(uint8_t), + READ_FROM_STREAM_CASE(int16_t), + READ_FROM_STREAM_CASE(uint16_t), + READ_FROM_STREAM_CASE(int32_t), + READ_FROM_STREAM_CASE(uint32_t), + READ_FROM_STREAM_CASE(int64_t), + READ_FROM_STREAM_CASE(uint64_t), + READ_FROM_STREAM_CASE(float), + READ_FROM_STREAM_CASE(double), + READ_FROM_STREAM_CASE(std::string), + READ_FROM_STREAM_CASE(std::vector<char>)); } catch (const std::ios_base::failure&) { break; } |