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Merge #17109: tests: Add fuzzing harness for various functions consuming only integrals
597d10ceb9fd2a118c7e551cd6263379691d9295 tests: Add fuzzing harness for various functions consuming only integrals (practicalswift) 575383b3e1361e60ba88738a34d92b1662f915a7 tests: Add corpora suppression (FUZZERS_MISSING_CORPORA) for fuzzers missing in https://github.com/bitcoin-core/qa-assets/tree/master/fuzz_seed_corpus (practicalswift) Pull request description: Add fuzzing harness for various functions consuming only integrals. **Testing this PR** Run: ``` $ CC=clang CXX=clang++ ./configure --enable-fuzz \ --with-sanitizers=address,fuzzer,undefined $ make $ src/test/fuzz/integer ``` Top commit has no ACKs. Tree-SHA512: f0ccbd63671636f8e661385b682e16ad287fef8f92e7f91327ee2093afc36fcd424e1646fe90279388e28a760bcc795766eb80cf6375e0f873efff37fc7e2393
This commit is contained in:
MarcoFalke
pasta
parent
1e2ac59112
commit
0e7b64575c
@ -27,6 +27,7 @@ FUZZ_TARGETS = \
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test/fuzz/eval_script \
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test/fuzz/fee_rate_deserialize \
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test/fuzz/flat_file_pos_deserialize \
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test/fuzz/integer \
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test/fuzz/inv_deserialize \
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test/fuzz/key_origin_info_deserialize \
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test/fuzz/merkle_block_deserialize \
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@ -356,6 +357,12 @@ test_fuzz_eval_script_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
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test_fuzz_eval_script_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
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test_fuzz_eval_script_LDADD = $(FUZZ_SUITE_LD_COMMON)
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test_fuzz_integer_SOURCES = $(FUZZ_SUITE) test/fuzz/integer.cpp
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test_fuzz_integer_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES)
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test_fuzz_integer_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
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test_fuzz_integer_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
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test_fuzz_integer_LDADD = $(FUZZ_SUITE_LD_COMMON)
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test_fuzz_txoutcompressor_deserialize_SOURCES = $(FUZZ_SUITE) test/fuzz/deserialize.cpp
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test_fuzz_txoutcompressor_deserialize_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) -DTXOUTCOMPRESSOR_DESERIALIZE=1
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test_fuzz_txoutcompressor_deserialize_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
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127
src/test/fuzz/integer.cpp
Normal file
127
src/test/fuzz/integer.cpp
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@ -0,0 +1,127 @@
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// Copyright (c) 2019 The Bitcoin Core developers
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// Distributed under the MIT software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#include <arith_uint256.h>
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#include <compressor.h>
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#include <consensus/merkle.h>
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#include <core_io.h>
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#include <crypto/common.h>
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#include <crypto/siphash.h>
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#include <key_io.h>
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#include <memusage.h>
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#include <netbase.h>
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#include <policy/settings.h>
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#include <pow.h>
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#include <pubkey.h>
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#include <rpc/util.h>
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#include <script/signingprovider.h>
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#include <script/standard.h>
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#include <serialize.h>
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#include <test/fuzz/FuzzedDataProvider.h>
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#include <test/fuzz/fuzz.h>
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#include <uint256.h>
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#include <util/strencodings.h>
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#include <util/system.h>
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#include <util/time.h>
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#include <cassert>
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#include <limits>
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#include <vector>
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void initialize()
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{
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SelectParams(CBaseChainParams::REGTEST);
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}
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void test_one_input(const std::vector<uint8_t>& buffer)
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{
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if (buffer.size() < sizeof(uint256) + sizeof(uint160)) {
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return;
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}
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FuzzedDataProvider fuzzed_data_provider(buffer.data(), buffer.size());
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const uint256 u256(fuzzed_data_provider.ConsumeBytes<unsigned char>(sizeof(uint256)));
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const uint160 u160(fuzzed_data_provider.ConsumeBytes<unsigned char>(sizeof(uint160)));
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const uint64_t u64 = fuzzed_data_provider.ConsumeIntegral<uint64_t>();
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const int64_t i64 = fuzzed_data_provider.ConsumeIntegral<int64_t>();
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const uint32_t u32 = fuzzed_data_provider.ConsumeIntegral<uint32_t>();
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const int32_t i32 = fuzzed_data_provider.ConsumeIntegral<int32_t>();
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const uint16_t u16 = fuzzed_data_provider.ConsumeIntegral<uint16_t>();
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const int16_t i16 = fuzzed_data_provider.ConsumeIntegral<int16_t>();
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const uint8_t u8 = fuzzed_data_provider.ConsumeIntegral<uint8_t>();
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const int8_t i8 = fuzzed_data_provider.ConsumeIntegral<int8_t>();
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// We cannot assume a specific value of std::is_signed<char>::value:
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// ConsumeIntegral<char>() instead of casting from {u,}int8_t.
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const char ch = fuzzed_data_provider.ConsumeIntegral<char>();
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const Consensus::Params& consensus_params = Params().GetConsensus();
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(void)CheckProofOfWork(u256, u32, consensus_params);
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(void)CompressAmount(u64);
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static const uint256 u256_min(uint256S("0000000000000000000000000000000000000000000000000000000000000000"));
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static const uint256 u256_max(uint256S("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff"));
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const std::vector<uint256> v256{u256, u256_min, u256_max};
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(void)ComputeMerkleRoot(v256);
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(void)CountBits(u64);
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(void)DecompressAmount(u64);
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(void)FormatISO8601Date(i64);
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(void)FormatISO8601DateTime(i64);
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(void)GetSizeOfCompactSize(u64);
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(void)GetSpecialScriptSize(u32);
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// (void)GetVirtualTransactionSize(i64, i64); // function defined only for a subset of int64_t inputs
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// (void)GetVirtualTransactionSize(i64, i64, u32); // function defined only for a subset of int64_t/uint32_t inputs
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(void)HexDigit(ch);
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(void)i64tostr(i64);
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(void)IsDigit(ch);
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(void)IsSpace(ch);
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(void)IsSwitchChar(ch);
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(void)itostr(i32);
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(void)memusage::DynamicUsage(ch);
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(void)memusage::DynamicUsage(i16);
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(void)memusage::DynamicUsage(i32);
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(void)memusage::DynamicUsage(i64);
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(void)memusage::DynamicUsage(i8);
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(void)memusage::DynamicUsage(u16);
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(void)memusage::DynamicUsage(u32);
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(void)memusage::DynamicUsage(u64);
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(void)memusage::DynamicUsage(u8);
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const unsigned char uch = static_cast<unsigned char>(u8);
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(void)memusage::DynamicUsage(uch);
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(void)MillisToTimeval(i64);
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const double d = ser_uint64_to_double(u64);
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assert(ser_double_to_uint64(d) == u64);
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const float f = ser_uint32_to_float(u32);
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assert(ser_float_to_uint32(f) == u32);
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(void)SighashToStr(uch);
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(void)SipHashUint256(u64, u64, u256);
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(void)SipHashUint256Extra(u64, u64, u256, u32);
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(void)ToLower(ch);
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const arith_uint256 au256 = UintToArith256(u256);
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assert(ArithToUint256(au256) == u256);
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assert(uint256S(au256.GetHex()) == u256);
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(void)au256.bits();
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(void)au256.GetCompact(/* fNegative= */ false);
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(void)au256.GetCompact(/* fNegative= */ true);
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(void)au256.getdouble();
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(void)au256.GetHex();
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(void)au256.GetLow64();
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(void)au256.size();
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(void)au256.ToString();
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const CKeyID key_id{u160};
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const CScriptID script_id{u160};
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// CTxDestination = CNoDestination ∪ PKHash ∪ ScriptHash ∪ WitnessV0ScriptHash ∪ WitnessV0KeyHash ∪ WitnessUnknown
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const PKHash pk_hash{u160};
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const ScriptHash script_hash{u160};
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const WitnessV0KeyHash witness_v0_key_hash{u160};
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const WitnessV0ScriptHash witness_v0_script_hash{u256};
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const std::vector<CTxDestination> destinations{pk_hash, script_hash, witness_v0_key_hash, witness_v0_script_hash};
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const SigningProvider store;
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for (const CTxDestination& destination : destinations) {
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(void)DescribeAddress(destination);
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(void)EncodeDestination(destination);
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(void)GetKeyForDestination(store, destination);
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(void)GetScriptForDestination(destination);
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(void)IsValidDestination(destination);
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}
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}
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@ -20,6 +20,7 @@ FUZZERS_MISSING_CORPORA = [
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"block_header_and_short_txids_deserialize",
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"fee_rate_deserialize",
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"flat_file_pos_deserialize",
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"integer",
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"key_origin_info_deserialize",
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"locale",
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"merkle_block_deserialize",
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