From c3696aa5a4a0e3e987fa0b4bb6f347da4b7e991e Mon Sep 17 00:00:00 2001
From: Matt Joiner <anacrolix@gmail.com>
Date: Mon, 1 Jun 2020 11:11:41 +1000
Subject: [PATCH] Fix race in webtorrent.TrackerClient.Run

---
 webtorrent/tracker_client.go | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/webtorrent/tracker_client.go b/webtorrent/tracker_client.go
index 39a7e347..5af6c7c0 100644
--- a/webtorrent/tracker_client.go
+++ b/webtorrent/tracker_client.go
@@ -92,9 +92,11 @@ func (tc *TrackerClient) Run() error {
 		tc.mu.Unlock()
 		err := tc.doWebsocket()
 		level := log.Info
+		tc.mu.Lock()
 		if tc.closed {
 			level = log.Debug
 		}
+		tc.mu.Unlock()
 		tc.Logger.WithDefaultLevel(level).Printf("websocket instance ended: %v", err)
 		time.Sleep(time.Minute)
 		tc.mu.Lock()
-- 
2.48.1