From d4672ea2f8081b81b44bea24147aa01d1a9e8b99 Mon Sep 17 00:00:00 2001
From: ucwong <ucwong@126.com>
Date: Fri, 24 Nov 2023 18:13:37 +0800
Subject: [PATCH] eth/downloader/downloader.go : potential panic

---
 eth/downloader/downloader.go | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/eth/downloader/downloader.go b/eth/downloader/downloader.go
index 2ca7e328c6..844ce566f2 100644
--- a/eth/downloader/downloader.go
+++ b/eth/downloader/downloader.go
@@ -1614,6 +1614,10 @@ func (d *Downloader) processSnapSyncContent() error {
 		}
 		// Split around the pivot block and process the two sides via snap/full sync
 		if !d.committed.Load() {
+			if len(results) == 0 {
+				continue
+			}
+
 			latest := results[len(results)-1].Header
 			// If the height is above the pivot block by 2 sets, it means the pivot
 			// become stale in the network, and it was garbage collected, move to a