From fe895b5b4f49620b3d8e8c88e7d15e7d99b5403e Mon Sep 17 00:00:00 2001
From: Tommaso Pecorella <tommaso.pecorella@unifi.it>
Date: Thu, 22 Feb 2024 13:51:49 -0600
Subject: [PATCH] network: do not print an invalid (0-length) address

---
 src/network/model/address.cc | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/network/model/address.cc b/src/network/model/address.cc
index 71e54078d72..7c39e0c11dc 100644
--- a/src/network/model/address.cc
+++ b/src/network/model/address.cc
@@ -245,6 +245,10 @@ operator<(const Address& a, const Address& b)
 std::ostream&
 operator<<(std::ostream& os, const Address& address)
 {
+    if (address.m_len == 0)
+    {
+        return os;
+    }
     os.setf(std::ios::hex, std::ios::basefield);
     os.fill('0');
     os << std::setw(2) << (uint32_t)address.m_type << "-" << std::setw(2) << (uint32_t)address.m_len