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fuzz: Avoid time-based "non-determinism" in fuzzing harnesses by using mocked GetTime()

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This commit is contained in:
practicalswift 2020-11-19 21:25:14 +00:00
parent dfd0b70088
commit 8c09c0c1d1
4 changed files with 4 additions and 1 deletions
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1
src/test/fuzz/banman.cpp
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@ -32,6 +32,7 @@ void initialize()
void test_one_input(const std::vector<uint8_t>& buffer)
{
FuzzedDataProvider fuzzed_data_provider{buffer.data(), buffer.size()};
SetMockTime(ConsumeTime(fuzzed_data_provider));
const fs::path banlist_file = GetDataDir() / "fuzzed_banlist.dat";
fs::remove(banlist_file);
{

1
src/test/fuzz/connman.cpp
View file

@ -23,6 +23,7 @@ void initialize()
void test_one_input(const std::vector<uint8_t>& buffer)
{
FuzzedDataProvider fuzzed_data_provider{buffer.data(), buffer.size()};
SetMockTime(ConsumeTime(fuzzed_data_provider));
CConnman connman{fuzzed_data_provider.ConsumeIntegral<uint64_t>(), fuzzed_data_provider.ConsumeIntegral<uint64_t>(), fuzzed_data_provider.ConsumeBool()};
CAddress random_address;
CNetAddr random_netaddr;

2
src/test/fuzz/net.cpp
View file

@ -27,7 +27,7 @@ void initialize()
void test_one_input(const std::vector<uint8_t>& buffer)
{
FuzzedDataProvider fuzzed_data_provider(buffer.data(), buffer.size());
SetMockTime(ConsumeTime(fuzzed_data_provider));
const std::optional<CAddress> address = ConsumeDeserializable<CAddress>(fuzzed_data_provider);
if (!address) {
return;

1
src/test/fuzz/rbf.cpp
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@ -18,6 +18,7 @@
void test_one_input(const std::vector<uint8_t>& buffer)
{
FuzzedDataProvider fuzzed_data_provider(buffer.data(), buffer.size());
SetMockTime(ConsumeTime(fuzzed_data_provider));
std::optional<CMutableTransaction> mtx = ConsumeDeserializable<CMutableTransaction>(fuzzed_data_provider);
if (!mtx) {
return;