918fe04351
PR-URL: https://github.com/nodejs/node/pull/58070 Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com> Reviewed-By: Darshan Sen <raisinten@gmail.com> Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com> Reviewed-By: Rafael Gonzaga <rafael.nunu@hotmail.com>
46 lines
1.6 KiB
JavaScript
46 lines
1.6 KiB
JavaScript
// Copyright 2024 the V8 project authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style license that can be
|
|
// found in the LICENSE file.
|
|
|
|
// Flags: --wasm-memory64-trap-handling
|
|
|
|
d8.file.execute('test/mjsunit/wasm/wasm-module-builder.js');
|
|
|
|
(function testMemory64TrapHandling() {
|
|
const builder = new WasmModuleBuilder();
|
|
let memory = builder.addMemory64(1, 1);
|
|
|
|
builder.addFunction('load64', kSig_i_l).addBody([
|
|
kExprLocalGet, 0,
|
|
kExprI32LoadMem, 0x40, memory, 0
|
|
]).exportFunc();
|
|
|
|
builder.addFunction('store64', kSig_v_li).addBody([
|
|
kExprLocalGet, 0,
|
|
kExprLocalGet, 1,
|
|
kExprI32StoreMem, 0x40, memory, 0
|
|
]).exportFunc();
|
|
|
|
const instance = builder.instantiate();
|
|
const {load64, store64} = instance.exports;
|
|
let memory_size = 65536n;
|
|
const partial_oob = memory_size - 2n;
|
|
const oob = 1n << 18n;
|
|
const huge_address = 1n << 50n;
|
|
let value1 = 0x42424242;
|
|
let value2 = 0xDEADBEEF;
|
|
|
|
store64(0n, value1);
|
|
store64(memory_size - 4n, value1);
|
|
assertTraps(kTrapMemOutOfBounds, () => store64(partial_oob, value2));
|
|
assertTraps(kTrapMemOutOfBounds, () => store64(oob, value2));
|
|
assertTraps(kTrapMemOutOfBounds, () => store64(huge_address, value2));
|
|
|
|
assertEquals(value1, load64(0n));
|
|
// The partial oob write did not change the memory.
|
|
assertEquals(value1, load64(memory_size - 4n));
|
|
assertTraps(kTrapMemOutOfBounds, () => load64(partial_oob));
|
|
assertTraps(kTrapMemOutOfBounds, () => load64(oob));
|
|
assertTraps(kTrapMemOutOfBounds, () => load64(huge_address));
|
|
})();
|