From 6a6afd8da418a8005e6df1f9a334cfa5fdf57d61 Mon Sep 17 00:00:00 2001
From: Jonathan Hui <jonhui@google.com>
Date: Mon, 21 Jul 2025 22:20:07 -0700
Subject: [PATCH] [posix] call `FinalizeMulticastRouterSock()` in `TearDown()`
 (#11742)

---
 src/posix/platform/multicast_routing.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/posix/platform/multicast_routing.cpp b/src/posix/platform/multicast_routing.cpp
index 3835a3bcc..e9564a0ae 100644
--- a/src/posix/platform/multicast_routing.cpp
+++ b/src/posix/platform/multicast_routing.cpp
@@ -87,6 +87,7 @@ void MulticastRoutingManager::TearDown(void)
 
     otBackboneRouterSetMulticastListenerCallback(gInstance, nullptr, nullptr);
     Mainloop::Manager::Get().Remove(*this);
+    FinalizeMulticastRouterSock();
 }
 
 void MulticastRoutingManager::HandleBackboneMulticastListenerEvent(void                                  *aContext,