From 26282b7a5434f9550606cbdea01e15e040b1b223 Mon Sep 17 00:00:00 2001
From: Even Holthe <even.holthe@bekk.no>
Date: Tue, 10 Jan 2023 21:43:35 +0100
Subject: [PATCH] Fix SIGSEGV crash related to map of state changes

See https://github.com/juanfont/headscale/issues/1114#issuecomment-1373698441
---
 app.go | 1 +
 1 file changed, 1 insertion(+)

diff --git a/app.go b/app.go
index 9eb52d81..3c48b8b2 100644
--- a/app.go
+++ b/app.go
@@ -162,6 +162,7 @@ func NewHeadscale(cfg *Config) (*Headscale, error) {
 		aclRules:           tailcfg.FilterAllowAll, // default allowall
 		registrationCache:  registrationCache,
 		pollNetMapStreamWG: sync.WaitGroup{},
+		lastStateChange:    xsync.NewMapOf[time.Time](),
 	}
 
 	err = app.initDB()