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-rw-r--r--src/Makefile.test.include7
-rw-r--r--src/test/fuzz/rolling_bloom_filter.cpp50
2 files changed, 57 insertions, 0 deletions
diff --git a/src/Makefile.test.include b/src/Makefile.test.include
index 561abffc26..7b4a6ae9f2 100644
--- a/src/Makefile.test.include
+++ b/src/Makefile.test.include
@@ -51,6 +51,7 @@ FUZZ_TARGETS = \
test/fuzz/psbt_input_deserialize \
test/fuzz/psbt_output_deserialize \
test/fuzz/pub_key_deserialize \
+ test/fuzz/rolling_bloom_filter \
test/fuzz/script \
test/fuzz/script_deserialize \
test/fuzz/script_flags \
@@ -523,6 +524,12 @@ test_fuzz_pub_key_deserialize_LDADD = $(FUZZ_SUITE_LD_COMMON)
test_fuzz_pub_key_deserialize_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS)
test_fuzz_pub_key_deserialize_SOURCES = $(FUZZ_SUITE) test/fuzz/deserialize.cpp
+test_fuzz_rolling_bloom_filter_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES)
+test_fuzz_rolling_bloom_filter_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
+test_fuzz_rolling_bloom_filter_LDADD = $(FUZZ_SUITE_LD_COMMON)
+test_fuzz_rolling_bloom_filter_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS)
+test_fuzz_rolling_bloom_filter_SOURCES = $(FUZZ_SUITE) test/fuzz/rolling_bloom_filter.cpp
+
test_fuzz_script_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES)
test_fuzz_script_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
test_fuzz_script_LDADD = $(FUZZ_SUITE_LD_COMMON)
diff --git a/src/test/fuzz/rolling_bloom_filter.cpp b/src/test/fuzz/rolling_bloom_filter.cpp
new file mode 100644
index 0000000000..ce69c4e8da
--- /dev/null
+++ b/src/test/fuzz/rolling_bloom_filter.cpp
@@ -0,0 +1,50 @@
+// 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 <bloom.h>
+#include <optional.h>
+#include <test/fuzz/FuzzedDataProvider.h>
+#include <test/fuzz/fuzz.h>
+#include <test/fuzz/util.h>
+#include <uint256.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());
+
+ CRollingBloomFilter rolling_bloom_filter{
+ fuzzed_data_provider.ConsumeIntegralInRange<unsigned int>(1, 1000),
+ 0.999 / fuzzed_data_provider.ConsumeIntegralInRange<unsigned int>(1, std::numeric_limits<unsigned int>::max())};
+ while (fuzzed_data_provider.remaining_bytes() > 0) {
+ switch (fuzzed_data_provider.ConsumeIntegralInRange(0, 2)) {
+ case 0: {
+ const std::vector<unsigned char>& b = ConsumeRandomLengthByteVector(fuzzed_data_provider);
+ (void)rolling_bloom_filter.contains(b);
+ rolling_bloom_filter.insert(b);
+ const bool present = rolling_bloom_filter.contains(b);
+ assert(present);
+ break;
+ }
+ case 1: {
+ const Optional<uint256> u256 = ConsumeDeserializable<uint256>(fuzzed_data_provider);
+ if (!u256) {
+ break;
+ }
+ (void)rolling_bloom_filter.contains(*u256);
+ rolling_bloom_filter.insert(*u256);
+ const bool present = rolling_bloom_filter.contains(*u256);
+ assert(present);
+ break;
+ }
+ case 2:
+ rolling_bloom_filter.reset();
+ break;
+ }
+ }
+}