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| author | practicalswift <practicalswift@users.noreply.github.com> | 2020-04-08 13:48:37 +0000 |
|---|---|---|
| committer | practicalswift <practicalswift@users.noreply.github.com> | 2020-04-08 14:45:27 +0000 |
| commit | bf76000493082da05bf7258a5038e16fa76cd143 (patch) | |
| tree | 634bdf699110cde8b5bff2b71d2a013ae943d8fd /src | |
| parent | 57890b2555ca347373109052f6789c23f46bc594 (diff) | |
| download | bitcoin-bf76000493082da05bf7258a5038e16fa76cd143.tar.xz | |
tests: Add fuzzing harness for classes/functions in cuckoocache.h
Diffstat (limited to 'src')
| -rw-r--r-- | src/Makefile.test.include | 7 | ||||
| -rw-r--r-- | src/cuckoocache.h | 1 | ||||
| -rw-r--r-- | src/test/fuzz/cuckoocache.cpp | 49 |
3 files changed, 57 insertions, 0 deletions
diff --git a/src/Makefile.test.include b/src/Makefile.test.include index 2a1f1ea73b..fa0fbca8e8 100644 --- a/src/Makefile.test.include +++ b/src/Makefile.test.include @@ -30,6 +30,7 @@ FUZZ_TARGETS = \ test/fuzz/chain \ test/fuzz/checkqueue \ test/fuzz/coins_deserialize \ + test/fuzz/cuckoocache \ test/fuzz/decode_tx \ test/fuzz/descriptor_parse \ test/fuzz/diskblockindex_deserialize \ @@ -444,6 +445,12 @@ test_fuzz_coins_deserialize_LDADD = $(FUZZ_SUITE_LD_COMMON) test_fuzz_coins_deserialize_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) test_fuzz_coins_deserialize_SOURCES = test/fuzz/deserialize.cpp +test_fuzz_cuckoocache_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) +test_fuzz_cuckoocache_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS) +test_fuzz_cuckoocache_LDADD = $(FUZZ_SUITE_LD_COMMON) +test_fuzz_cuckoocache_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) +test_fuzz_cuckoocache_SOURCES = test/fuzz/cuckoocache.cpp + test_fuzz_decode_tx_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) test_fuzz_decode_tx_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS) test_fuzz_decode_tx_LDADD = $(FUZZ_SUITE_LD_COMMON) diff --git a/src/cuckoocache.h b/src/cuckoocache.h index 4ad5818cdc..2daf676c4a 100644 --- a/src/cuckoocache.h +++ b/src/cuckoocache.h @@ -5,6 +5,7 @@ #ifndef BITCOIN_CUCKOOCACHE_H #define BITCOIN_CUCKOOCACHE_H +#include <algorithm> // std::find #include <array> #include <atomic> #include <cmath> diff --git a/src/test/fuzz/cuckoocache.cpp b/src/test/fuzz/cuckoocache.cpp new file mode 100644 index 0000000000..f674efe1b1 --- /dev/null +++ b/src/test/fuzz/cuckoocache.cpp @@ -0,0 +1,49 @@ +// 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 <cuckoocache.h> +#include <optional.h> +#include <script/sigcache.h> +#include <test/fuzz/FuzzedDataProvider.h> +#include <test/fuzz/fuzz.h> +#include <test/fuzz/util.h> +#include <test/util/setup_common.h> + +#include <cstdint> +#include <string> +#include <vector> + +namespace { +FuzzedDataProvider* fuzzed_data_provider_ptr = nullptr; + +struct RandomHasher { + template <uint8_t> + uint32_t operator()(const bool& /* unused */) const + { + assert(fuzzed_data_provider_ptr != nullptr); + return fuzzed_data_provider_ptr->ConsumeIntegral<uint32_t>(); + } +}; +} // namespace + +void test_one_input(const std::vector<uint8_t>& buffer) +{ + FuzzedDataProvider fuzzed_data_provider(buffer.data(), buffer.size()); + fuzzed_data_provider_ptr = &fuzzed_data_provider; + CuckooCache::cache<bool, RandomHasher> cuckoo_cache{}; + if (fuzzed_data_provider.ConsumeBool()) { + const size_t megabytes = fuzzed_data_provider.ConsumeIntegralInRange<size_t>(0, 16); + cuckoo_cache.setup_bytes(megabytes << 20); + } else { + cuckoo_cache.setup(fuzzed_data_provider.ConsumeIntegralInRange<uint32_t>(0, 4096)); + } + while (fuzzed_data_provider.ConsumeBool()) { + if (fuzzed_data_provider.ConsumeBool()) { + cuckoo_cache.insert(fuzzed_data_provider.ConsumeBool()); + } else { + cuckoo_cache.contains(fuzzed_data_provider.ConsumeBool(), fuzzed_data_provider.ConsumeBool()); + } + } + fuzzed_data_provider_ptr = nullptr; +} |