From 4361057d424221aa1cc849fd8a95f39abbd66ed9 Mon Sep 17 00:00:00 2001
From: Vicky <vickyaviles847@gmail.com>
Date: Tue, 17 Feb 2026 00:59:36 +0800
Subject: [PATCH] eth/syncer: respect close signal during retry backoff

---
 eth/syncer/syncer.go | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/eth/syncer/syncer.go b/eth/syncer/syncer.go
index c0d54b953b..7fe8e778aa 100644
--- a/eth/syncer/syncer.go
+++ b/eth/syncer/syncer.go
@@ -117,7 +117,12 @@ func (s *Syncer) run() {
 						logged = true
 						log.Info("Waiting for peers to retrieve sync target", "hash", req.hash)
 					}
-					time.Sleep(time.Second * time.Duration(retries+1))
+					select {
+					case <-time.After(time.Second * time.Duration(retries+1)):
+					case <-s.closed:
+						req.errc <- errors.New("syncer closed")
+						return
+					}
 					retries++
 					continue
 				}