From 9b702a9955f87942f25860fec36e93c2912d8c76 Mon Sep 17 00:00:00 2001
From: 0xSHKWON <kwonsanghyeon3245@naver.com>
Date: Wed, 5 Aug 2026 15:02:01 +0900
Subject: [PATCH] eth/downloader: hold pivotLock when reading pivot header in
 progress report (#35462)

---
 eth/downloader/downloader.go | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/eth/downloader/downloader.go b/eth/downloader/downloader.go
index 1c7c35a420..d1acb7795b 100644
--- a/eth/downloader/downloader.go
+++ b/eth/downloader/downloader.go
@@ -1247,7 +1247,9 @@ func (d *Downloader) reportSnapSyncProgress(force bool) {
 	latest, _, _, err := d.skeleton.Bounds()
 	if err != nil {
 		// We're going to cheat for non-merged networks, but that's fine
+		d.pivotLock.RLock()
 		latest = d.pivotHeader
+		d.pivotLock.RUnlock()
 	}
 	if latest == nil {
 		// This should really never happen, but add some defensive code for now.