mirror of
https://github.com/dart-lang/sdk
synced 2024-09-16 01:30:32 +00:00
a8fe399c79
- Check against sending arbitrary classes via types.
- Stop allowing any object from dart:core, dart:collection, dart:typed_data (effectively reverts 807eacae30
).
`SendPort.send` does not require such objects are sendable, and there is no guarantee the receiving isolate can represent them.
TEST=ci
Bug: https://github.com/dart-lang/sdk/issues/50243
Change-Id: I7e9b0e9d83080d44a98b257cd8f2a58da5443a87
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/264725
Reviewed-by: Martin Kustermann <kustermann@google.com>
Commit-Queue: Ryan Macnak <rmacnak@google.com>
Reviewed-by: Alexander Aprelev <aam@google.com>
71 lines
1.9 KiB
Dart
71 lines
1.9 KiB
Dart
// Copyright (c) 2022, the Dart project authors. Please see the AUTHORS file
|
|
// for details. All rights reserved. Use of this source code is governed by a
|
|
// BSD-style license that can be found in the LICENSE file.
|
|
|
|
// VMOptions=--enable_fast_object_copy=true
|
|
// VMOptions=--enable_fast_object_copy=false
|
|
|
|
import 'dart:io';
|
|
import "dart:isolate";
|
|
import 'dart:typed_data';
|
|
|
|
import "package:expect/expect.dart";
|
|
|
|
main() async {
|
|
final port = ReceivePort();
|
|
await Isolate.spawn(
|
|
runHelper,
|
|
port.sendPort,
|
|
);
|
|
final message = await port.first;
|
|
|
|
final weakRef1copy = message[0] as WeakReference<Uint8List>;
|
|
final weakRef2copy = message[1] as WeakReference<Uint8List>;
|
|
final weakRef3copy = message[3] as WeakReference<Uint8List>;
|
|
final weakRef4copy = message[5] as WeakReference<Uint8List>;
|
|
Expect.isNull(weakRef1copy.target);
|
|
Expect.equals(2, weakRef2copy.target?.length);
|
|
Expect.isNull(weakRef3copy.target);
|
|
Expect.equals(4, weakRef4copy.target?.length);
|
|
|
|
port.close();
|
|
}
|
|
|
|
Future<void> runHelper(SendPort port) async {
|
|
final object1 = Uint8List(1);
|
|
final weakRef1 = WeakReference(object1);
|
|
final object2 = Uint8List(2);
|
|
final weakRef2 = WeakReference(object2);
|
|
final object3 = Uint8List(3);
|
|
final weakRef3 = WeakReference(object3);
|
|
final object4 = Uint8List(4);
|
|
final weakRef4 = WeakReference(object4);
|
|
|
|
final key3 = Object();
|
|
final expando3 = Expando();
|
|
expando3[key3] = object3;
|
|
final key4 = Object();
|
|
final expando4 = Expando();
|
|
expando4[key4] = object4;
|
|
|
|
final message = <dynamic>[
|
|
weakRef1, // Does not have its target included.
|
|
weakRef2, // Has its target included later than itself.
|
|
object2,
|
|
weakRef3, // Does not have its target included.
|
|
expando3,
|
|
weakRef4, // Has its target included due to expando.
|
|
expando4,
|
|
key4,
|
|
];
|
|
port.send(message);
|
|
}
|
|
|
|
class Nonce {
|
|
final int value;
|
|
|
|
Nonce(this.value);
|
|
|
|
String toString() => 'Nonce($value)';
|
|
}
|