3 files changed, 27 insertions, 23 deletions

diff --git a/src/test/fuzz/addrman.cpp b/src/test/fuzz/addrman.cpp
index ba917dec2a..af7a282781 100644
--- a/src/test/fuzz/addrman.cpp
+++ b/src/test/fuzz/addrman.cpp
@@ -37,11 +37,19 @@ void initialize_addrman()
     g_setup = testing_setup.get();
 }
 
+[[nodiscard]] inline NetGroupManager ConsumeNetGroupManager(FuzzedDataProvider& fuzzed_data_provider) noexcept
+{
+    std::vector<bool> asmap = ConsumeRandomLengthBitVector(fuzzed_data_provider);
+    if (!SanityCheckASMap(asmap, 128)) asmap.clear();
+    return NetGroupManager(asmap);
+}
+
 FUZZ_TARGET_INIT(data_stream_addr_man, initialize_addrman)
 {
     FuzzedDataProvider fuzzed_data_provider{buffer.data(), buffer.size()};
     CDataStream data_stream = ConsumeDataStream(fuzzed_data_provider);
-    AddrMan addr_man{/*asmap=*/std::vector<bool>(), /*deterministic=*/false, GetCheckRatio()};
+    NetGroupManager netgroupman{ConsumeNetGroupManager(fuzzed_data_provider)};
+    AddrMan addr_man(netgroupman, /*deterministic=*/false, GetCheckRatio());
     try {
         ReadFromStream(addr_man, data_stream);
     } catch (const std::exception&) {
@@ -124,8 +132,8 @@ void FillAddrman(AddrMan& addrman, FuzzedDataProvider& fuzzed_data_provider)
 class AddrManDeterministic : public AddrMan
 {
 public:
-    explicit AddrManDeterministic(std::vector<bool> asmap, FuzzedDataProvider& fuzzed_data_provider)
-        : AddrMan{std::move(asmap), /*deterministic=*/true, GetCheckRatio()}
+    explicit AddrManDeterministic(const NetGroupManager& netgroupman, FuzzedDataProvider& fuzzed_data_provider)
+        : AddrMan(netgroupman, /*deterministic=*/true, GetCheckRatio())
     {
         WITH_LOCK(m_impl->cs, m_impl->insecure_rand = FastRandomContext{ConsumeUInt256(fuzzed_data_provider)});
     }
@@ -223,19 +231,12 @@ public:
     }
 };
 
-[[nodiscard]] inline std::vector<bool> ConsumeAsmap(FuzzedDataProvider& fuzzed_data_provider) noexcept
-{
-    std::vector<bool> asmap = ConsumeRandomLengthBitVector(fuzzed_data_provider);
-    if (!SanityCheckASMap(asmap, 128)) asmap.clear();
-    return asmap;
-}
-
 FUZZ_TARGET_INIT(addrman, initialize_addrman)
 {
     FuzzedDataProvider fuzzed_data_provider(buffer.data(), buffer.size());
     SetMockTime(ConsumeTime(fuzzed_data_provider));
-    std::vector<bool> asmap = ConsumeAsmap(fuzzed_data_provider);
-    auto addr_man_ptr = std::make_unique<AddrManDeterministic>(asmap, fuzzed_data_provider);
+    NetGroupManager netgroupman{ConsumeNetGroupManager(fuzzed_data_provider)};
+    auto addr_man_ptr = std::make_unique<AddrManDeterministic>(netgroupman, fuzzed_data_provider);
     if (fuzzed_data_provider.ConsumeBool()) {
         const std::vector<uint8_t> serialized_data{ConsumeRandomLengthByteVector(fuzzed_data_provider)};
         CDataStream ds(serialized_data, SER_DISK, INIT_PROTO_VERSION);
@@ -244,7 +245,7 @@ FUZZ_TARGET_INIT(addrman, initialize_addrman)
         try {
             ds >> *addr_man_ptr;
         } catch (const std::ios_base::failure&) {
-            addr_man_ptr = std::make_unique<AddrManDeterministic>(asmap, fuzzed_data_provider);
+            addr_man_ptr = std::make_unique<AddrManDeterministic>(netgroupman, fuzzed_data_provider);
         }
     }
     AddrManDeterministic& addr_man = *addr_man_ptr;
@@ -313,9 +314,9 @@ FUZZ_TARGET_INIT(addrman_serdeser, initialize_addrman)
     FuzzedDataProvider fuzzed_data_provider(buffer.data(), buffer.size());
     SetMockTime(ConsumeTime(fuzzed_data_provider));
 
-    std::vector<bool> asmap = ConsumeAsmap(fuzzed_data_provider);
-    AddrManDeterministic addr_man1{asmap, fuzzed_data_provider};
-    AddrManDeterministic addr_man2{asmap, fuzzed_data_provider};
+    NetGroupManager netgroupman{ConsumeNetGroupManager(fuzzed_data_provider)};
+    AddrManDeterministic addr_man1{netgroupman, fuzzed_data_provider};
+    AddrManDeterministic addr_man2{netgroupman, fuzzed_data_provider};
 
     CDataStream data_stream(SER_NETWORK, PROTOCOL_VERSION);
 
diff --git a/src/test/fuzz/connman.cpp b/src/test/fuzz/connman.cpp
index a14d28f4ef..4406779015 100644
--- a/src/test/fuzz/connman.cpp
+++ b/src/test/fuzz/connman.cpp
@@ -19,12 +19,12 @@
 #include <vector>
 
 namespace {
-const BasicTestingSetup* g_setup;
+const TestingSetup* g_setup;
 } // namespace
 
 void initialize_connman()
 {
-    static const auto testing_setup = MakeNoLogFileContext<>();
+    static const auto testing_setup = MakeNoLogFileContext<const TestingSetup>();
     g_setup = testing_setup.get();
 }
 
@@ -32,10 +32,11 @@ FUZZ_TARGET_INIT(connman, initialize_connman)
 {
     FuzzedDataProvider fuzzed_data_provider{buffer.data(), buffer.size()};
     SetMockTime(ConsumeTime(fuzzed_data_provider));
-    AddrMan addrman(/*asmap=*/std::vector<bool>(),
-                    /*deterministic=*/false,
-                    g_setup->m_node.args->GetIntArg("-checkaddrman", 0));
-    CConnman connman{fuzzed_data_provider.ConsumeIntegral<uint64_t>(), fuzzed_data_provider.ConsumeIntegral<uint64_t>(), addrman, fuzzed_data_provider.ConsumeBool()};
+    CConnman connman{fuzzed_data_provider.ConsumeIntegral<uint64_t>(),
+                     fuzzed_data_provider.ConsumeIntegral<uint64_t>(),
+                     *g_setup->m_node.addrman,
+                     *g_setup->m_node.netgroupman,
+                     fuzzed_data_provider.ConsumeBool()};
     CNetAddr random_netaddr;
     CNode random_node = ConsumeNode(fuzzed_data_provider);
     CSubNet random_subnet;
diff --git a/src/test/fuzz/deserialize.cpp b/src/test/fuzz/deserialize.cpp
index ed6f172a2a..0a7d0c55bd 100644
--- a/src/test/fuzz/deserialize.cpp
+++ b/src/test/fuzz/deserialize.cpp
@@ -15,6 +15,7 @@
 #include <merkleblock.h>
 #include <net.h>
 #include <netbase.h>
+#include <netgroup.h>
 #include <node/utxo_snapshot.h>
 #include <primitives/block.h>
 #include <protocol.h>
@@ -200,7 +201,8 @@ FUZZ_TARGET_DESERIALIZE(blockmerkleroot, {
     BlockMerkleRoot(block, &mutated);
 })
 FUZZ_TARGET_DESERIALIZE(addrman_deserialize, {
-    AddrMan am(/*asmap=*/std::vector<bool>(),
+    NetGroupManager netgroupman{std::vector<bool>()};
+    AddrMan am(netgroupman,
                /*deterministic=*/false,
                g_setup->m_node.args->GetIntArg("-checkaddrman", 0));
     DeserializeFromFuzzingInput(buffer, am);