From 2f1722cd87cee31f66ea0b1641fd56ea53354244 Mon Sep 17 00:00:00 2001
From: cuiweixie <cuiweixie@gmail.com>
Date: Sat, 17 Jan 2026 01:46:34 +0800
Subject: [PATCH] triedb/pathdb: double check pattern

---
 triedb/pathdb/states.go | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/triedb/pathdb/states.go b/triedb/pathdb/states.go
index dc737c3b53..59e7be8979 100644
--- a/triedb/pathdb/states.go
+++ b/triedb/pathdb/states.go
@@ -176,6 +176,11 @@ func (s *stateSet) accountList() []common.Hash {
 	s.listLock.Lock()
 	defer s.listLock.Unlock()
 
+	//double check after acquiring the write lock
+	if list = s.accountListSorted; list != nil {
+		return list
+	}
+
 	list = slices.SortedFunc(maps.Keys(s.accountData), common.Hash.Cmp)
 	s.accountListSorted = list
 	return list
@@ -206,6 +211,11 @@ func (s *stateSet) storageList(accountHash common.Hash) []common.Hash {
 	s.listLock.Lock()
 	defer s.listLock.Unlock()
 
+	//double check after acquiring the write lock
+	if list := s.storageListSorted[accountHash]; list != nil {
+		return list
+	}
+
 	list := slices.SortedFunc(maps.Keys(s.storageData[accountHash]), common.Hash.Cmp)
 	s.storageListSorted[accountHash] = list
 	return list