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>
28 lines
1.0 KiB
JavaScript
28 lines
1.0 KiB
JavaScript
// Copyright 2024 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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d8.file.execute('test/mjsunit/wasm/wasm-module-builder.js');
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let mem = new WebAssembly.Memory({initial: 1n, maximum: 0x10n, address: 'i64'}); // reserve 0x10 * 0x10000
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let mem2 = new WebAssembly.Memory({initial: 1n, maximum: 0x10n, address: 'i64'});
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let builder = new WasmModuleBuilder();
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let m = builder.addImportedMemory('import', 'mem', 1, 0x20, false, true);
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let sig_v_ll = makeSig([kWasmI64, kWasmI64], []);
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builder.addFunction('fn', sig_v_ll).addBody([
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kExprLocalGet, 0,
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kExprLocalGet, 1,
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kExprI64StoreMem, 0x41, m, 0, // can index up to 0x20 * 0x10000
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]).exportFunc();
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let instance = builder.instantiate({import: {mem}});
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let {fn} = instance.exports;
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let mem2_u64a = new BigUint64Array(mem2.buffer);
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assertEquals(0n, mem2_u64a[0]);
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assertThrows(() => fn(0x100000n, 0x4242424242424242n)); // oob write into mem2?
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assertEquals(0n, mem2_u64a[0]);
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