miner: avoid data race in miner (#24349)

2022-02-08 01:34:13 +08:00 · 2022-02-08 01:34:13 +08:00 · 2d20fed893
commit 2d20fed893
parent 6ce4670bc0
1 changed files with 3 additions and 0 deletions
--- a/miner/worker.go
+++ b/miner/worker.go
@ -1134,6 +1134,9 @@ 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