miner: avoid data race in miner (ethereum#24349)

syscoin · Feb 11, 2022 · e5ab6d7 · e5ab6d7
1 parent e670cf5
commit e5ab6d7
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/miner/worker.go b/miner/worker.go
@@ -1142,6 +1142,9 @@ func (w *worker) commit(env *environment, interval func(), update bool, start ti
 		if interval != nil {
 			interval()
 		}
+		// Create a local environment copy, avoid the data race with snapshot state.
+		// https://github.com/ethereum/go-ethereum/issues/24299
+		env := env.copy()
 		block, err := w.engine.FinalizeAndAssemble(w.chain, env.header, env.state, env.txs, env.unclelist(), env.receipts)
 		if err != nil {
 			return err