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tests: Add fuzzing harness for functions in addrdb.h

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This commit is contained in:
practicalswift 2020-03-23 13:55:36 +00:00
parent 97b0687501
commit a8695db785
2 changed files with 50 additions and 0 deletions
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7
src/Makefile.test.include
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@ -4,6 +4,7 @@
FUZZ_TARGETS = \
test/fuzz/addr_info_deserialize \
test/fuzz/addrdb \
test/fuzz/address_deserialize \
test/fuzz/addrman_deserialize \
test/fuzz/asmap \
@ -288,6 +289,12 @@ test_fuzz_addr_info_deserialize_LDADD = $(FUZZ_SUITE_LD_COMMON)
test_fuzz_addr_info_deserialize_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS)
test_fuzz_addr_info_deserialize_SOURCES = $(FUZZ_SUITE) test/fuzz/deserialize.cpp
test_fuzz_addrdb_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES)
test_fuzz_addrdb_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
test_fuzz_addrdb_LDADD = $(FUZZ_SUITE_LD_COMMON)
test_fuzz_addrdb_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS)
test_fuzz_addrdb_SOURCES = $(FUZZ_SUITE) test/fuzz/addrdb.cpp
test_fuzz_address_deserialize_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) -DADDRESS_DESERIALIZE=1
test_fuzz_address_deserialize_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
test_fuzz_address_deserialize_LDADD = $(FUZZ_SUITE_LD_COMMON)

43
src/test/fuzz/addrdb.cpp Normal file
View file

@ -0,0 +1,43 @@
// 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 <addrdb.h>
#include <optional.h>
#include <test/fuzz/FuzzedDataProvider.h>
#include <test/fuzz/fuzz.h>
#include <test/fuzz/util.h>
#include <cassert>
#include <cstdint>
#include <string>
#include <vector>
void test_one_input(const std::vector<uint8_t>& buffer)
{
FuzzedDataProvider fuzzed_data_provider(buffer.data(), buffer.size());
const CBanEntry ban_entry = [&] {
switch (fuzzed_data_provider.ConsumeIntegralInRange<int>(0, 3)) {
case 0:
return CBanEntry{fuzzed_data_provider.ConsumeIntegral<int64_t>()};
break;
case 1:
return CBanEntry{fuzzed_data_provider.ConsumeIntegral<int64_t>(), fuzzed_data_provider.PickValueInArray<BanReason>({
BanReason::BanReasonUnknown,
BanReason::BanReasonNodeMisbehaving,
BanReason::BanReasonManuallyAdded,
})};
break;
case 2: {
const Optional<CBanEntry> ban_entry = ConsumeDeserializable<CBanEntry>(fuzzed_data_provider);
if (ban_entry) {
return *ban_entry;
}
break;
}
}
return CBanEntry{};
}();
assert(!ban_entry.banReasonToString().empty());
}