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merge bitcoin#19143: Add fuzzing harnesses for CAutoFile, CBufferedFile, LoadExternalBlockFile and other FILE* consumers

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- ad6c34881dc125c973b6b9ba1daa999d3141b1ae
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Kittywhiskers Van Gogh 2023-08-23 21:28:57 +05:30 committed by PastaPastaPasta
parent 27eeceac4d
commit ed5c750fb6
3 changed files with 41 additions and 1 deletions
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1
src/Makefile.test.include
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@ -272,6 +272,7 @@ test_fuzz_fuzz_SOURCES = \
test/fuzz/parse_script.cpp \
test/fuzz/parse_univalue.cpp \
test/fuzz/policy_estimator.cpp \
test/fuzz/policy_estimator_io.cpp \
test/fuzz/pow.cpp \
test/fuzz/prevector.cpp \
test/fuzz/primitives_transaction.cpp \

13
src/test/fuzz/policy_estimator.cpp
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@ -14,7 +14,12 @@
#include <string>
#include <vector>
FUZZ_TARGET(policy_estimator)
void initialize_policy_estimator()
{
InitializeFuzzingContext();
}
FUZZ_TARGET_INIT(policy_estimator, initialize_policy_estimator)
{
FuzzedDataProvider fuzzed_data_provider(buffer.data(), buffer.size());
CBlockPolicyEstimator block_policy_estimator;
@ -62,4 +67,10 @@ FUZZ_TARGET(policy_estimator)
(void)block_policy_estimator.estimateSmartFee(fuzzed_data_provider.ConsumeIntegral<int>(), fuzzed_data_provider.ConsumeBool() ? &fee_calculation : nullptr, fuzzed_data_provider.ConsumeBool());
(void)block_policy_estimator.HighestTargetTracked(fuzzed_data_provider.PickValueInArray({FeeEstimateHorizon::SHORT_HALFLIFE, FeeEstimateHorizon::MED_HALFLIFE, FeeEstimateHorizon::LONG_HALFLIFE}));
}
{
FuzzedAutoFileProvider fuzzed_auto_file_provider = ConsumeAutoFile(fuzzed_data_provider);
CAutoFile fuzzed_auto_file = fuzzed_auto_file_provider.open();
block_policy_estimator.Write(fuzzed_auto_file);
block_policy_estimator.Read(fuzzed_auto_file);
}
}

28
src/test/fuzz/policy_estimator_io.cpp Normal file
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@ -0,0 +1,28 @@
// Copyright (c) 2020 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#include <policy/fees.h>
#include <test/fuzz/FuzzedDataProvider.h>
#include <test/fuzz/fuzz.h>
#include <test/fuzz/util.h>
#include <cstdint>
#include <vector>
void initialize_policy_estimator_io()
{
InitializeFuzzingContext();
}
FUZZ_TARGET_INIT(policy_estimator_io, initialize_policy_estimator_io)
{
FuzzedDataProvider fuzzed_data_provider(buffer.data(), buffer.size());
FuzzedAutoFileProvider fuzzed_auto_file_provider = ConsumeAutoFile(fuzzed_data_provider);
CAutoFile fuzzed_auto_file = fuzzed_auto_file_provider.open();
// Re-using block_policy_estimator across runs to avoid costly creation of CBlockPolicyEstimator object.
static CBlockPolicyEstimator block_policy_estimator;
if (block_policy_estimator.Read(fuzzed_auto_file)) {
block_policy_estimator.Write(fuzzed_auto_file);
}
}