From ee2d7d5a3e80f457ca8bd970f6b4c4355a5c4fdb Mon Sep 17 00:00:00 2001
From: Jonathan Hui <jonhui@google.com>
Date: Thu, 5 Dec 2024 10:49:27 -0800
Subject: [PATCH] [mle] exclude loopback from Address Registration TLV (#10997)

---
 src/core/thread/mle.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/core/thread/mle.cpp b/src/core/thread/mle.cpp
index 7285587c782..ce9234783e0 100644
--- a/src/core/thread/mle.cpp
+++ b/src/core/thread/mle.cpp
@@ -4920,8 +4920,9 @@ Error Mle::TxMessage::AppendAddressRegistrationTlv(AddressRegistrationMode aMode
 
     for (const Ip6::Netif::UnicastAddress &addr : Get<ThreadNetif>().GetUnicastAddresses())
     {
-        if (addr.GetAddress().IsLinkLocalUnicast() || Get<Mle>().IsRoutingLocator(addr.GetAddress()) ||
-            Get<Mle>().IsAnycastLocator(addr.GetAddress()) || addr.GetAddress() == Get<Mle>().GetMeshLocalEid())
+        if (addr.GetAddress().IsLoopback() || addr.GetAddress().IsLinkLocalUnicast() ||
+            Get<Mle>().IsRoutingLocator(addr.GetAddress()) || Get<Mle>().IsAnycastLocator(addr.GetAddress()) ||
+            addr.GetAddress() == Get<Mle>().GetMeshLocalEid())
         {
             continue;
         }