From 0f73070a5711fe05f0cd21cccee8cab47ac64414 Mon Sep 17 00:00:00 2001
From: David Crawshaw <crawshaw@tailscale.com>
Date: Sun, 8 Mar 2020 08:49:57 -0400
Subject: [PATCH] wgengine: shut down wireguard on Close
This was (presumably) missing from wgengine because the
interactions between magicsock and wireguard-go meant that the
shutdown never worked. Now those are fixed, actually shut down.
Fixes occasional flake in expanded ipn/e2e_test.
Signed-off-by: David Crawshaw <crawshaw@tailscale.com>
---
wgengine/userspace.go | 1 +
1 file changed, 1 insertion(+)
diff --git a/wgengine/userspace.go b/wgengine/userspace.go
index 73f8f5789..e0d40ac3b 100644
--- a/wgengine/userspace.go
+++ b/wgengine/userspace.go
@@ -575,6 +575,7 @@ func (e *userspaceEngine) Close() {
r := bufio.NewReader(strings.NewReader(""))
e.wgdev.IpcSetOperation(r)
+ e.wgdev.Close()
e.linkMon.Close()
e.router.Close()
e.magicConn.Close()