Merge pull request #6195 from raymondliu0711/feature/clone_tload_value

fix(tvm): clone tload value

Author: CodeNinjaEvan

actuator/src/main/java/org/tron/core/vm/OperationActions.java

@@ -649,7 +649,7 @@ public static void tLoadAction(Program program) {
 
     byte[] data =
         program.getContractState().getTransientStorageValue(address.getData(), key.getData());
-    DataWord value = data != null ? new DataWord(data) : DataWord.ZERO();
+    DataWord value = data != null ? new DataWord(data).clone() : DataWord.ZERO();
 
     program.stackPush(value);
     program.step();

framework/src/test/java/org/tron/common/runtime/vm/OperationsTest.java

@@ -960,6 +960,10 @@ public void testTransientStorageOperations() throws ContractValidateException {
         program.getContractState().getTransientStorageValue(
             program.getContractAddress().getData(), new DataWord(0x01).getData()));
 
+    op = new byte[] {0x60, 0x02, 0x60, 0x01, 0x5c, 0x16};
+    program = new Program(op, op, invoke, interTrx);
+    testOperations(program);
+
     // TLOAD = 0x5c;
     op = new byte[] {0x60, 0x01, 0x5c};
     program = new Program(op, op, invoke, interTrx);