fuzz: Reset dirty connman state in process_message(s) targets

Author: MarcoFalke

src/test/fuzz/process_message.cpp

@@ -60,6 +60,8 @@ FUZZ_TARGET(process_message, .init = initialize_process_message)
     FuzzedDataProvider fuzzed_data_provider(buffer.data(), buffer.size());
 
     auto& connman = static_cast<ConnmanTestMsg&>(*g_setup->m_node.connman);
+    connman.ResetAddrCache();
+    connman.ResetMaxOutboundCycle();
     auto& chainman = static_cast<TestChainstateManager&>(*g_setup->m_node.chainman);
     SetMockTime(1610000000); // any time to successfully reset ibd
     chainman.ResetIbd();

src/test/fuzz/process_messages.cpp

@@ -50,6 +50,8 @@ FUZZ_TARGET(process_messages, .init = initialize_process_messages)
     FuzzedDataProvider fuzzed_data_provider(buffer.data(), buffer.size());
 
     auto& connman = static_cast<ConnmanTestMsg&>(*g_setup->m_node.connman);
+    connman.ResetAddrCache();
+    connman.ResetMaxOutboundCycle();
     auto& chainman = static_cast<TestChainstateManager&>(*g_setup->m_node.chainman);
     SetMockTime(1610000000); // any time to successfully reset ibd
     chainman.ResetIbd();

src/test/util/net.cpp

@@ -71,6 +71,15 @@ void ConnmanTestMsg::Handshake(CNode& node,
     }
 }
 
+void ConnmanTestMsg::ResetAddrCache() { m_addr_response_caches = {}; }
+
+void ConnmanTestMsg::ResetMaxOutboundCycle()
+{
+    LOCK(m_total_bytes_sent_mutex);
+    nMaxOutboundCycleStartTime = 0s;
+    nMaxOutboundTotalBytesSentInCycle = 0;
+}
+
 void ConnmanTestMsg::NodeReceiveMsgBytes(CNode& node, std::span<const uint8_t> msg_bytes, bool& complete) const
 {
     assert(node.ReceiveMsgBytes(msg_bytes, complete));

src/test/util/net.h

@@ -45,6 +45,9 @@ struct ConnmanTestMsg : public CConnman {
         m_peer_connect_timeout = timeout;
     }
 
+    void ResetAddrCache();
+    void ResetMaxOutboundCycle();
+
     std::vector<CNode*> TestNodes()
     {
         LOCK(m_nodes_mutex);