Merge #18521: fuzz: Add process_messages harness

fa6a00843447d53a5708ea3a629b9150cfe58be2 fuzz: Add process_messages harness (MarcoFalke)

Pull request description:

ACKs for top commit:
  practicalswift:
    Tested ACK fa6a00843447d53a5708ea3a629b9150cfe58be2

Tree-SHA512: 2d8788308c7f45c97ca003378f58a9d51f51265958557a65e5e505b1666b4cb928f0d010622870175090a0ad25e2d10b41f26f4eef14b6ff334a024baa250f8c

1 files changed, 3 insertions, 0 deletions

diff --git a/src/net.h b/src/net.h
index 96ac33b536..a72af83eef 100644
--- a/src/net.h
+++ b/src/net.h
@@ -479,6 +479,7 @@ private:
     std::atomic<int64_t> m_next_send_inv_to_incoming{0};
 
     friend struct CConnmanTest;
+    friend struct ConnmanTestMsg;
 };
 void Discover();
 void StartMapPort();
@@ -718,6 +719,8 @@ public:
 class CNode
 {
     friend class CConnman;
+    friend struct ConnmanTestMsg;
+
 public:
     std::unique_ptr<TransportDeserializer> m_deserializer;
     std::unique_ptr<TransportSerializer> m_serializer;