From 265b008e49064adeef2e1d544cd13308fcf4f3cd Mon Sep 17 00:00:00 2001
From: James Tucker <james@tailscale.com>
Date: Thu, 1 Sep 2022 10:51:44 -0700
Subject: [PATCH] wgengine: fix race on endpoints in getStatus

Signed-off-by: James Tucker <james@tailscale.com>
---
 wgengine/userspace.go | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/wgengine/userspace.go b/wgengine/userspace.go
index f573dfd88..aabb57d60 100644
--- a/wgengine/userspace.go
+++ b/wgengine/userspace.go
@@ -1005,6 +1005,7 @@ func (e *userspaceEngine) getStatus() (*Status, error) {
 	closing := e.closing
 	peerKeys := make([]key.NodePublic, len(e.peerSequence))
 	copy(peerKeys, e.peerSequence)
+	localAddrs := append([]tailcfg.Endpoint(nil), e.endpoints...)
 	e.mu.Unlock()
 
 	if closing {
@@ -1020,7 +1021,7 @@ func (e *userspaceEngine) getStatus() (*Status, error) {
 
 	return &Status{
 		AsOf:       time.Now(),
-		LocalAddrs: append([]tailcfg.Endpoint(nil), e.endpoints...),
+		LocalAddrs: localAddrs,
 		Peers:      peers,
 		DERPs:      derpConns,
 	}, nil