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tests: Add fuzzing harness for LoadExternalBlockFile(...) (validation.h)

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practicalswift 2020-06-02 19:05:46 +00:00
parent 9823376030
commit 7bcc71e5f8
2 changed files with 38 additions and 0 deletions
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7
src/Makefile.test.include
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@ -57,6 +57,7 @@ FUZZ_TARGETS = \
test/fuzz/key_io \
test/fuzz/key_origin_info_deserialize \
test/fuzz/kitchen_sink \
test/fuzz/load_external_block_file \
test/fuzz/locale \
test/fuzz/merkle_block_deserialize \
test/fuzz/merkleblock \
@ -634,6 +635,12 @@ test_fuzz_kitchen_sink_LDADD = $(FUZZ_SUITE_LD_COMMON)
test_fuzz_kitchen_sink_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS)
test_fuzz_kitchen_sink_SOURCES = test/fuzz/kitchen_sink.cpp
test_fuzz_load_external_block_file_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES)
test_fuzz_load_external_block_file_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
test_fuzz_load_external_block_file_LDADD = $(FUZZ_SUITE_LD_COMMON)
test_fuzz_load_external_block_file_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS)
test_fuzz_load_external_block_file_SOURCES = test/fuzz/load_external_block_file.cpp
test_fuzz_locale_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES)
test_fuzz_locale_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
test_fuzz_locale_LDADD = $(FUZZ_SUITE_LD_COMMON)

31
src/test/fuzz/load_external_block_file.cpp Normal file
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@ -0,0 +1,31 @@
// 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 <chainparams.h>
#include <flatfile.h>
#include <test/fuzz/FuzzedDataProvider.h>
#include <test/fuzz/fuzz.h>
#include <test/fuzz/util.h>
#include <test/util/setup_common.h>
#include <validation.h>
#include <cstdint>
#include <vector>
void initialize()
{
InitializeFuzzingContext();
}
void test_one_input(const std::vector<uint8_t>& buffer)
{
FuzzedDataProvider fuzzed_data_provider{buffer.data(), buffer.size()};
FuzzedFileProvider fuzzed_file_provider = ConsumeFile(fuzzed_data_provider);
FILE* fuzzed_block_file = fuzzed_file_provider.open();
if (fuzzed_block_file == nullptr) {
return;
}
FlatFilePos flat_file_pos;
LoadExternalBlockFile(Params(), fuzzed_block_file, fuzzed_data_provider.ConsumeBool() ? &flat_file_pos : nullptr);
}