diff options
| -rw-r--r-- | src/Makefile.test.include | 7 | ||||
| -rw-r--r-- | src/test/fuzz/chain.cpp | 65 |
2 files changed, 72 insertions, 0 deletions
diff --git a/src/Makefile.test.include b/src/Makefile.test.include index da117fe27c..2938ccdc9f 100644 --- a/src/Makefile.test.include +++ b/src/Makefile.test.include @@ -26,6 +26,7 @@ FUZZ_TARGETS = \ test/fuzz/blockundo_deserialize \ test/fuzz/bloom_filter \ test/fuzz/bloomfilter_deserialize \ + test/fuzz/chain \ test/fuzz/coins_deserialize \ test/fuzz/decode_tx \ test/fuzz/descriptor_parse \ @@ -425,6 +426,12 @@ test_fuzz_bloomfilter_deserialize_LDADD = $(FUZZ_SUITE_LD_COMMON) test_fuzz_bloomfilter_deserialize_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) test_fuzz_bloomfilter_deserialize_SOURCES = $(FUZZ_SUITE) test/fuzz/deserialize.cpp +test_fuzz_chain_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) +test_fuzz_chain_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS) +test_fuzz_chain_LDADD = $(FUZZ_SUITE_LD_COMMON) +test_fuzz_chain_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) +test_fuzz_chain_SOURCES = $(FUZZ_SUITE) test/fuzz/chain.cpp + test_fuzz_coins_deserialize_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) -DCOINS_DESERIALIZE=1 test_fuzz_coins_deserialize_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS) test_fuzz_coins_deserialize_LDADD = $(FUZZ_SUITE_LD_COMMON) diff --git a/src/test/fuzz/chain.cpp b/src/test/fuzz/chain.cpp new file mode 100644 index 0000000000..b322516cc7 --- /dev/null +++ b/src/test/fuzz/chain.cpp @@ -0,0 +1,65 @@ +// 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 <chain.h> +#include <optional.h> +#include <test/fuzz/FuzzedDataProvider.h> +#include <test/fuzz/fuzz.h> +#include <test/fuzz/util.h> + +#include <cstdint> +#include <vector> + +void test_one_input(const std::vector<uint8_t>& buffer) +{ + FuzzedDataProvider fuzzed_data_provider(buffer.data(), buffer.size()); + Optional<CDiskBlockIndex> disk_block_index = ConsumeDeserializable<CDiskBlockIndex>(fuzzed_data_provider); + if (!disk_block_index) { + return; + } + + const uint256 zero{}; + disk_block_index->phashBlock = &zero; + (void)disk_block_index->GetBlockHash(); + (void)disk_block_index->GetBlockPos(); + (void)disk_block_index->GetBlockTime(); + (void)disk_block_index->GetBlockTimeMax(); + (void)disk_block_index->GetMedianTimePast(); + (void)disk_block_index->GetUndoPos(); + (void)disk_block_index->HaveTxsDownloaded(); + (void)disk_block_index->IsValid(); + (void)disk_block_index->ToString(); + + const CBlockHeader block_header = disk_block_index->GetBlockHeader(); + (void)CDiskBlockIndex{*disk_block_index}; + (void)disk_block_index->BuildSkip(); + + while (fuzzed_data_provider.ConsumeBool()) { + const BlockStatus block_status = fuzzed_data_provider.PickValueInArray({ + BlockStatus::BLOCK_VALID_UNKNOWN, + BlockStatus::BLOCK_VALID_RESERVED, + BlockStatus::BLOCK_VALID_TREE, + BlockStatus::BLOCK_VALID_TRANSACTIONS, + BlockStatus::BLOCK_VALID_CHAIN, + BlockStatus::BLOCK_VALID_SCRIPTS, + BlockStatus::BLOCK_VALID_MASK, + BlockStatus::BLOCK_HAVE_DATA, + BlockStatus::BLOCK_HAVE_UNDO, + BlockStatus::BLOCK_HAVE_MASK, + BlockStatus::BLOCK_FAILED_VALID, + BlockStatus::BLOCK_FAILED_CHILD, + BlockStatus::BLOCK_FAILED_MASK, + BlockStatus::BLOCK_OPT_WITNESS, + }); + if (block_status & ~BLOCK_VALID_MASK) { + continue; + } + (void)disk_block_index->RaiseValidity(block_status); + } + + CBlockIndex block_index{block_header}; + block_index.phashBlock = &zero; + (void)block_index.GetBlockHash(); + (void)block_index.ToString(); +} |