From 895f5c8df7ac09ff94355d6dcb7dfdf7ed8dfc3a Mon Sep 17 00:00:00 2001
From: Bryan Biedenkapp <gatekeep@gmail.com>
Date: Tue, 23 Jun 2026 14:14:02 -0400
Subject: [PATCH] when updating peers from erasePeer() lock the map before
 mutating;

---
 src/fne/network/TrafficNetwork.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/fne/network/TrafficNetwork.cpp b/src/fne/network/TrafficNetwork.cpp
index fb60baf0..6bb16a6f 100644
--- a/src/fne/network/TrafficNetwork.cpp
+++ b/src/fne/network/TrafficNetwork.cpp
@@ -2258,11 +2258,13 @@ void TrafficNetwork::erasePeer(uint32_t peerId)
 {
     bool neighborFNE = false;
     {
+        m_peers.lock();
         auto it = std::find_if(m_peers.begin(), m_peers.end(), [&](PeerMapPair x) { return x.first == peerId; });
         if (it != m_peers.end()) {
             neighborFNE = it->second->peerClass() == PEER_CONN_CLASS_NEIGHBOR;
             m_peers.erase(peerId);
         }
+        m_peers.unlock();
     }
 
     // erase any CC maps for this peer