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merge bitcoin#17996: Add fuzzing harness for serialization/deserialization of floating-points and integrals
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@ -32,6 +32,7 @@ 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/float \
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test/fuzz/hex \
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test/fuzz/integer \
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test/fuzz/inv_deserialize \
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@ -497,6 +498,12 @@ test_fuzz_flat_file_pos_deserialize_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
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test_fuzz_flat_file_pos_deserialize_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
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test_fuzz_flat_file_pos_deserialize_LDADD = $(FUZZ_SUITE_LD_COMMON)
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test_fuzz_float_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES)
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test_fuzz_float_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
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test_fuzz_float_LDADD = $(FUZZ_SUITE_LD_COMMON)
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test_fuzz_float_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(LDFLAGS_WRAP_EXCEPTIONS)
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test_fuzz_float_SOURCES = $(FUZZ_SUITE) test/fuzz/float.cpp
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test_fuzz_key_origin_info_deserialize_SOURCES = $(FUZZ_SUITE) test/fuzz/deserialize.cpp
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test_fuzz_key_origin_info_deserialize_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) -DKEY_ORIGIN_INFO_DESERIALIZE=1
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test_fuzz_key_origin_info_deserialize_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
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@ -5,6 +5,8 @@
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#ifndef BITCOIN_INDIRECTMAP_H
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#define BITCOIN_INDIRECTMAP_H
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#include <map>
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template <class T>
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struct DereferencingComparator { bool operator()(const T a, const T b) const { return *a < *b; } };
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@ -6,9 +6,11 @@
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#define BITCOIN_MEMUSAGE_H
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#include <indirectmap.h>
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#include <prevector.h>
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#include <stdlib.h>
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#include <cassert>
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#include <map>
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#include <memory>
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#include <set>
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42
src/test/fuzz/float.cpp
Normal file
42
src/test/fuzz/float.cpp
Normal file
@ -0,0 +1,42 @@
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// Copyright (c) 2020 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 <memusage.h>
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#include <serialize.h>
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#include <streams.h>
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#include <test/fuzz/FuzzedDataProvider.h>
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#include <test/fuzz/fuzz.h>
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#include <version.h>
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#include <cassert>
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#include <cstdint>
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void test_one_input(const std::vector<uint8_t>& buffer)
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{
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FuzzedDataProvider fuzzed_data_provider(buffer.data(), buffer.size());
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{
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const double d = fuzzed_data_provider.ConsumeFloatingPoint<double>();
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(void)memusage::DynamicUsage(d);
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assert(ser_uint64_to_double(ser_double_to_uint64(d)) == d);
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CDataStream stream(SER_NETWORK, INIT_PROTO_VERSION);
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stream << d;
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double d_deserialized;
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stream >> d_deserialized;
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assert(d == d_deserialized);
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}
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{
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const float f = fuzzed_data_provider.ConsumeFloatingPoint<float>();
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(void)memusage::DynamicUsage(f);
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assert(ser_uint32_to_float(ser_float_to_uint32(f)) == f);
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CDataStream stream(SER_NETWORK, INIT_PROTO_VERSION);
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stream << f;
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float f_deserialized;
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stream >> f_deserialized;
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assert(f == f_deserialized);
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}
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}
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@ -19,12 +19,14 @@
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#include <script/sign.h>
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#include <script/standard.h>
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#include <serialize.h>
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#include <streams.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 <version.h>
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#include <cassert>
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#include <limits>
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@ -54,6 +56,7 @@ void test_one_input(const std::vector<uint8_t>& buffer)
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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 bool b = fuzzed_data_provider.ConsumeBool();
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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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@ -119,4 +122,68 @@ void test_one_input(const std::vector<uint8_t>& buffer)
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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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CDataStream stream(SER_NETWORK, INIT_PROTO_VERSION);
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uint256 deserialized_u256;
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stream << u256;
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stream >> deserialized_u256;
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assert(u256 == deserialized_u256 && stream.empty());
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uint160 deserialized_u160;
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stream << u160;
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stream >> deserialized_u160;
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assert(u160 == deserialized_u160 && stream.empty());
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uint64_t deserialized_u64;
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stream << u64;
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stream >> deserialized_u64;
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assert(u64 == deserialized_u64 && stream.empty());
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int64_t deserialized_i64;
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stream << i64;
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stream >> deserialized_i64;
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assert(i64 == deserialized_i64 && stream.empty());
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uint32_t deserialized_u32;
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stream << u32;
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stream >> deserialized_u32;
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assert(u32 == deserialized_u32 && stream.empty());
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int32_t deserialized_i32;
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stream << i32;
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stream >> deserialized_i32;
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assert(i32 == deserialized_i32 && stream.empty());
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uint16_t deserialized_u16;
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stream << u16;
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stream >> deserialized_u16;
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assert(u16 == deserialized_u16 && stream.empty());
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int16_t deserialized_i16;
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stream << i16;
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stream >> deserialized_i16;
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assert(i16 == deserialized_i16 && stream.empty());
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uint8_t deserialized_u8;
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stream << u8;
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stream >> deserialized_u8;
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assert(u8 == deserialized_u8 && stream.empty());
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int8_t deserialized_i8;
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stream << i8;
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stream >> deserialized_i8;
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assert(i8 == deserialized_i8 && stream.empty());
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char deserialized_ch;
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stream << ch;
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stream >> deserialized_ch;
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assert(ch == deserialized_ch && stream.empty());
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bool deserialized_b;
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stream << b;
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stream >> deserialized_b;
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assert(b == deserialized_b && stream.empty());
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}
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}
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@ -24,6 +24,7 @@ FUZZERS_MISSING_CORPORA = [
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"decode_tx",
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"fee_rate_deserialize",
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"flat_file_pos_deserialize",
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"float",
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"hex",
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"integer",
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"key_origin_info_deserialize",
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