core: fix datarace in txpool pendingnoce, fixes ethereum#25870

holiman · Sep 26, 2022 · 4d70b6b · 4d70b6b
1 parent 15b4a4b
commit 4d70b6b
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/core/tx_pool.go b/core/tx_pool.go
@@ -463,6 +463,9 @@ func (pool *TxPool) SetGasPrice(price *big.Int) {
 // Nonce returns the next nonce of an account, with all transactions executable
 // by the pool already applied on top.
 func (pool *TxPool) Nonce(addr common.Address) uint64 {
+	pool.mu.RLock()
+	defer pool.mu.RUnlock()
+
 	return pool.pendingNonces.get(addr)
 }