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-rw-r--r--src/Makefile.test.include21
-rw-r--r--src/test/fuzz/addrdb.cpp43
-rw-r--r--src/test/fuzz/net_permissions.cpp51
-rw-r--r--src/test/fuzz/timedata.cpp29
4 files changed, 144 insertions, 0 deletions
diff --git a/src/Makefile.test.include b/src/Makefile.test.include
index e92b02a9bc..e2614578a8 100644
--- a/src/Makefile.test.include
+++ b/src/Makefile.test.include
@@ -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 \
@@ -43,6 +44,7 @@ FUZZ_TARGETS = \
test/fuzz/merkle_block_deserialize \
test/fuzz/messageheader_deserialize \
test/fuzz/multiplication_overflow \
+ test/fuzz/net_permissions \
test/fuzz/netaddr_deserialize \
test/fuzz/netaddress \
test/fuzz/out_point_deserialize \
@@ -97,6 +99,7 @@ FUZZ_TARGETS = \
test/fuzz/string \
test/fuzz/strprintf \
test/fuzz/sub_net_deserialize \
+ test/fuzz/timedata \
test/fuzz/transaction \
test/fuzz/tx_in \
test/fuzz/tx_in_deserialize \
@@ -288,6 +291,12 @@ 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)
@@ -522,6 +531,12 @@ test_fuzz_multiplication_overflow_LDADD = $(FUZZ_SUITE_LD_COMMON)
test_fuzz_multiplication_overflow_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS)
test_fuzz_multiplication_overflow_SOURCES = $(FUZZ_SUITE) test/fuzz/multiplication_overflow.cpp
+test_fuzz_net_permissions_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES)
+test_fuzz_net_permissions_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
+test_fuzz_net_permissions_LDADD = $(FUZZ_SUITE_LD_COMMON)
+test_fuzz_net_permissions_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS)
+test_fuzz_net_permissions_SOURCES = $(FUZZ_SUITE) test/fuzz/net_permissions.cpp
+
test_fuzz_netaddr_deserialize_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) -DNETADDR_DESERIALIZE=1
test_fuzz_netaddr_deserialize_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
test_fuzz_netaddr_deserialize_LDADD = $(FUZZ_SUITE_LD_COMMON)
@@ -846,6 +861,12 @@ test_fuzz_sub_net_deserialize_LDADD = $(FUZZ_SUITE_LD_COMMON)
test_fuzz_sub_net_deserialize_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS)
test_fuzz_sub_net_deserialize_SOURCES = $(FUZZ_SUITE) test/fuzz/deserialize.cpp
+test_fuzz_timedata_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES)
+test_fuzz_timedata_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
+test_fuzz_timedata_LDADD = $(FUZZ_SUITE_LD_COMMON)
+test_fuzz_timedata_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS)
+test_fuzz_timedata_SOURCES = $(FUZZ_SUITE) test/fuzz/timedata.cpp
+
test_fuzz_transaction_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES)
test_fuzz_transaction_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
test_fuzz_transaction_LDADD = $(FUZZ_SUITE_LD_COMMON)
diff --git a/src/test/fuzz/addrdb.cpp b/src/test/fuzz/addrdb.cpp
new file mode 100644
index 0000000000..f21ff3fac3
--- /dev/null
+++ b/src/test/fuzz/addrdb.cpp
@@ -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());
+}
diff --git a/src/test/fuzz/net_permissions.cpp b/src/test/fuzz/net_permissions.cpp
new file mode 100644
index 0000000000..bfc5d21427
--- /dev/null
+++ b/src/test/fuzz/net_permissions.cpp
@@ -0,0 +1,51 @@
+// 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 <net_permissions.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 std::string s = fuzzed_data_provider.ConsumeRandomLengthString(32);
+ const NetPermissionFlags net_permission_flags = fuzzed_data_provider.ConsumeBool() ? fuzzed_data_provider.PickValueInArray<NetPermissionFlags>({
+ NetPermissionFlags::PF_NONE,
+ NetPermissionFlags::PF_BLOOMFILTER,
+ NetPermissionFlags::PF_RELAY,
+ NetPermissionFlags::PF_FORCERELAY,
+ NetPermissionFlags::PF_NOBAN,
+ NetPermissionFlags::PF_MEMPOOL,
+ NetPermissionFlags::PF_ISIMPLICIT,
+ NetPermissionFlags::PF_ALL,
+ }) :
+ static_cast<NetPermissionFlags>(fuzzed_data_provider.ConsumeIntegral<uint32_t>());
+
+ NetWhitebindPermissions net_whitebind_permissions;
+ std::string error_net_whitebind_permissions;
+ if (NetWhitebindPermissions::TryParse(s, net_whitebind_permissions, error_net_whitebind_permissions)) {
+ (void)NetPermissions::ToStrings(net_whitebind_permissions.m_flags);
+ (void)NetPermissions::AddFlag(net_whitebind_permissions.m_flags, net_permission_flags);
+ assert(NetPermissions::HasFlag(net_whitebind_permissions.m_flags, net_permission_flags));
+ (void)NetPermissions::ClearFlag(net_whitebind_permissions.m_flags, net_permission_flags);
+ (void)NetPermissions::ToStrings(net_whitebind_permissions.m_flags);
+ }
+
+ NetWhitelistPermissions net_whitelist_permissions;
+ std::string error_net_whitelist_permissions;
+ if (NetWhitelistPermissions::TryParse(s, net_whitelist_permissions, error_net_whitelist_permissions)) {
+ (void)NetPermissions::ToStrings(net_whitelist_permissions.m_flags);
+ (void)NetPermissions::AddFlag(net_whitelist_permissions.m_flags, net_permission_flags);
+ assert(NetPermissions::HasFlag(net_whitelist_permissions.m_flags, net_permission_flags));
+ (void)NetPermissions::ClearFlag(net_whitelist_permissions.m_flags, net_permission_flags);
+ (void)NetPermissions::ToStrings(net_whitelist_permissions.m_flags);
+ }
+}
diff --git a/src/test/fuzz/timedata.cpp b/src/test/fuzz/timedata.cpp
new file mode 100644
index 0000000000..a0e579a88f
--- /dev/null
+++ b/src/test/fuzz/timedata.cpp
@@ -0,0 +1,29 @@
+// 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 <test/fuzz/FuzzedDataProvider.h>
+#include <test/fuzz/fuzz.h>
+#include <test/fuzz/util.h>
+#include <timedata.h>
+
+#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 unsigned int max_size = fuzzed_data_provider.ConsumeIntegralInRange<unsigned int>(0, 1000);
+ // Divide by 2 to avoid signed integer overflow in .median()
+ const int64_t initial_value = fuzzed_data_provider.ConsumeIntegral<int64_t>() / 2;
+ CMedianFilter<int64_t> median_filter{max_size, initial_value};
+ while (fuzzed_data_provider.remaining_bytes() > 0) {
+ (void)median_filter.median();
+ assert(median_filter.size() > 0);
+ assert(static_cast<size_t>(median_filter.size()) == median_filter.sorted().size());
+ assert(static_cast<unsigned int>(median_filter.size()) <= max_size || max_size == 0);
+ // Divide by 2 to avoid signed integer overflow in .median()
+ median_filter.input(fuzzed_data_provider.ConsumeIntegral<int64_t>() / 2);
+ }
+}