cherry-pick from ethereum@d8ada03 (ethereum#255)

s1na · May 25, 2023 · 3e0505a · 3e0505a
1 parent 2f10aac
commit 3e0505a
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/core/vm/contracts.go b/core/vm/contracts.go
@@ -176,7 +176,7 @@ func (c *dataCopy) RequiredGas(input []byte) uint64 {
 	return uint64(len(input)+31)/32*params.IdentityPerWordGas + params.IdentityBaseGas
 }
 func (c *dataCopy) Run(in []byte) ([]byte, error) {
-	return in, nil
+	return common.CopyBytes(in), nil
 }
 
 // bigModExp implements a native big integer exponential modular operation.