From 27354ec0593dc0a9c659dd713e6e9eee4330a2fe Mon Sep 17 00:00:00 2001
From: Daniel Liu <139250065@qq.com>
Date: Sun, 21 Sep 2025 19:39:08 +0800
Subject: [PATCH] event: fix goroutine leak #20667 (#1543)

---
 event/event_test.go | 1 +
 1 file changed, 1 insertion(+)

diff --git a/event/event_test.go b/event/event_test.go
index a12945a471..549b302ebe 100644
--- a/event/event_test.go
+++ b/event/event_test.go
@@ -203,6 +203,7 @@ func BenchmarkPostConcurrent(b *testing.B) {
 // for comparison
 func BenchmarkChanSend(b *testing.B) {
 	c := make(chan interface{})
+	defer close(c)
 	closed := make(chan struct{})
 	go func() {
 		for range c {