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17a74ddd3d
PR-URL: https://github.com/nodejs/node/pull/49639 Reviewed-By: Jiawen Geng <technicalcute@gmail.com> Reviewed-By: Rafael Gonzaga <rafael.nunu@hotmail.com> Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>
460 lines
15 KiB
JavaScript
460 lines
15 KiB
JavaScript
// Copyright 2017 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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// Flags: --wasm-test-streaming --expose-wasm
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'use strict';
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d8.file.execute('test/mjsunit/wasm/wasm-module-builder.js');
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function testErrorPosition(bytes, pos, message) {
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const buffer = bytes.trunc_buffer();
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// First check the non-streaming decoder as a reference.
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const regexp = new RegExp(message + '.*@\\+' + pos);
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assertThrows(
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() => new WebAssembly.Module(buffer), WebAssembly.CompileError, regexp);
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// Next test the actual streaming decoder.
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assertThrowsAsync(
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WebAssembly.compile(buffer), WebAssembly.CompileError, regexp);
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}
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(function testInvalidMagic() {
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let bytes = new Binary;
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bytes.emit_bytes([
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kWasmH0, kWasmH1 + 1, kWasmH2, kWasmH3, kWasmV0, kWasmV1, kWasmV2, kWasmV3
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]);
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// Error at pos==0 because that's where the magic word is.
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testErrorPosition(bytes, 0, 'expected magic word');
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})();
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(function testInvalidVersion() {
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let bytes = new Binary;
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bytes.emit_bytes([
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kWasmH0, kWasmH1, kWasmH2, kWasmH3, kWasmV0, kWasmV1 + 1, kWasmV2, kWasmV3
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]);
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// Error at pos==4 because that's where the version word is.
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testErrorPosition(bytes, 4, 'expected version');
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})();
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(function testSectionLengthInvalidVarint() {
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let bytes = new Binary;
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bytes.emit_header();
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bytes.emit_u8(kTypeSectionCode);
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bytes.emit_bytes([0x80, 0x80, 0x80, 0x80, 0x80, 0x00]);
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let pos = bytes.length - 1 - 1;
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testErrorPosition(bytes, pos, 'length overflow while decoding section length');
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})();
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(function testSectionLengthTooBig() {
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let bytes = new Binary;
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bytes.emit_header();
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let pos = bytes.length;
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bytes.emit_u8(kTypeSectionCode);
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bytes.emit_u32v(0xffffff23);
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testErrorPosition(
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bytes, pos,
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'section \\(code 1, "Type"\\) extends past end of the module ' +
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'\\(length 4294967075, remaining bytes 0\\)');
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})();
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(function testFunctionsCountInvalidVarint() {
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let bytes = new Binary;
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bytes.emit_header();
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bytes.emit_bytes([
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kTypeSectionCode, // section id
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1, // section length
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0 // number of types
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]);
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bytes.emit_bytes([
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kFunctionSectionCode, // section id
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1, // section length
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0 // number of functions
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]);
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let pos = bytes.length;
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bytes.emit_bytes([
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kCodeSectionCode, // section id
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20, // section length (arbitrary value > 6)
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]);
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// Functions count
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bytes.emit_bytes([0x80, 0x80, 0x80, 0x80, 0x80, 0x00]);
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testErrorPosition(
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bytes, pos,
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'section \\(code 10, "Code"\\) extends past end of the module ' +
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'\\(length 20, remaining bytes 6\\)');
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})();
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(function testFunctionsCountTooBig() {
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let bytes = new Binary;
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bytes.emit_header();
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bytes.emit_bytes([
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kTypeSectionCode, // section id
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1, // section length
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0 // number of types
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]);
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bytes.emit_bytes([
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kFunctionSectionCode, // section id
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1, // section length
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0 // number of functions
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]);
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let pos = bytes.length;
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bytes.emit_bytes([
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kCodeSectionCode, // section id
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20, // section length (arbitrary value > 6)
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]);
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// Functions count
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bytes.emit_u32v(0xffffff23);
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testErrorPosition(
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bytes, pos,
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'section \\(code 10, "Code"\\) extends past end of the module ' +
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'\\(length 20, remaining bytes 5\\)');
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})();
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(function testFunctionsCountDoesNotMatch() {
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let bytes = new Binary;
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bytes.emit_header();
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bytes.emit_bytes([
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kTypeSectionCode, // section id
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1, // section length
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0 // number of types
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]);
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bytes.emit_bytes([
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kFunctionSectionCode, // section id
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1, // section length
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0 // number of functions
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]);
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let pos = bytes.length;
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bytes.emit_bytes([
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kCodeSectionCode, // section id
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20, // section length (arbitrary value > 6)
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]);
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// Functions count (different than the count in the functions section.
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bytes.emit_u32v(5);
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testErrorPosition(
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bytes, pos,
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'section \\(code 10, "Code"\\) extends past end of the module ' +
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'\\(length 20, remaining bytes 1\\)');
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})();
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(function testBodySizeInvalidVarint() {
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let bytes = new Binary;
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bytes.emit_header();
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bytes.emit_bytes([
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kTypeSectionCode, // section id
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4, // section length
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1, // number of types
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kWasmFunctionTypeForm, // type
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0, // number of parameter
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0 // number of returns
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]);
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bytes.emit_bytes([
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kFunctionSectionCode, // section id
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2, // section length
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1, // number of functions
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0 // signature index
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]);
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let pos = bytes.length;
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bytes.emit_bytes([
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kCodeSectionCode, // section id
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20, // section length (arbitrary value > 6)
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1 // functions count
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]);
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// Invalid function body size.
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bytes.emit_bytes([0x80, 0x80, 0x80, 0x80, 0x80, 0x00]);
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testErrorPosition(
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bytes, pos,
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'section \\(code 10, "Code"\\) extends past end of the module ' +
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'\\(length 20, remaining bytes 7\\)');
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})();
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(function testBodySizeTooBig() {
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let bytes = new Binary;
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bytes.emit_header();
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bytes.emit_bytes([
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kTypeSectionCode, // section id
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4, // section length
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1, // number of types
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kWasmFunctionTypeForm, // type
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0, // number of parameter
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0 // number of returns
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]);
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bytes.emit_bytes([
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kFunctionSectionCode, // section id
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2, // section length
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1, // number of functions
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0 // signature index
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]);
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let pos = bytes.length;
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bytes.emit_bytes([
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kCodeSectionCode, // section id
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20, // section length (arbitrary value > 6)
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1 // functions count
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]);
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// Invalid function body size.
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bytes.emit_u32v(0xffffff23);
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testErrorPosition(
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bytes, pos,
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'section \\(code 10, "Code"\\) extends past end of the module ' +
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'\\(length 20, remaining bytes 6\\)');
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})();
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(function testBodySizeDoesNotFit() {
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let bytes = new Binary;
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bytes.emit_header();
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bytes.emit_bytes([
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kTypeSectionCode, // section id
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4, // section length
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1, // number of types
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kWasmFunctionTypeForm, // type
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0, // number of parameter
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0 // number of returns
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]);
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bytes.emit_bytes([
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kFunctionSectionCode, // section id
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2, // section length
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1, // number of functions
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0 // signature index
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]);
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let pos = bytes.length;
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bytes.emit_bytes([
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kCodeSectionCode, // section id
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20, // section length (arbitrary value > 6)
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1 // functions count
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]);
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// Invalid function body size (does not fit into the code section).
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bytes.emit_u32v(20);
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testErrorPosition(
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bytes, pos,
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'section \\(code 10, "Code"\\) extends past end of the module ' +
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'\\(length 20, remaining bytes 2\\)');
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})();
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(function testBodySizeIsZero() {
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let bytes = new Binary;
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bytes.emit_header();
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bytes.emit_bytes([
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kTypeSectionCode, // section id
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4, // section length
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1, // number of types
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kWasmFunctionTypeForm, // type
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0, // number of parameter
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0 // number of returns
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]);
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bytes.emit_bytes([
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kFunctionSectionCode, // section id
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2, // section length
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1, // number of functions
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0 // signature index
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]);
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let pos = bytes.length;
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bytes.emit_bytes([
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kCodeSectionCode, // section id
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20, // section length (arbitrary value > 6)
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1 // functions count
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]);
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// Invalid function body size (body size of 0 is invalid).
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bytes.emit_u32v(0);
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testErrorPosition(
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bytes, pos,
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'section \\(code 10, "Code"\\) extends past end of the module ' +
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'\\(length 20, remaining bytes 2\\)');
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})();
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(function testStaleCodeSectionBytes() {
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let bytes = new Binary;
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bytes.emit_header();
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bytes.emit_bytes([
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kTypeSectionCode, // section id
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4, // section length
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1, // number of types
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kWasmFunctionTypeForm, // type
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0, // number of parameter
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0 // number of returns
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]);
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bytes.emit_bytes([
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kFunctionSectionCode, // section id
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2, // section length
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1, // number of functions
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0 // signature index
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]);
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bytes.emit_bytes([
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kCodeSectionCode, // section id
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10, // section length (too big)
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1, // functions count
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2, // body size
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0, // locals count
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kExprEnd // body
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]);
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let pos = bytes.length;
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// Add some more bytes to avoid early error detection for too big section
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// length.
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bytes.emit_bytes([0, 0, 0, 0, 0, 0, 0, 0]);
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testErrorPosition(
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bytes, pos,
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'section was shorter than expected size ' +
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'\\(10 bytes expected, 4 decoded\\)');
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})();
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(function testInvalidCode() {
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let bytes = new Binary;
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bytes.emit_header();
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bytes.emit_bytes([
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kTypeSectionCode, // section id
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4, // section length
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1, // number of types
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kWasmFunctionTypeForm, // type
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0, // number of parameter
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0 // number of returns
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]);
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bytes.emit_bytes([
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kFunctionSectionCode, // section id
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2, // section length
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1, // number of functions
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0 // signature index
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]);
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bytes.emit_bytes([
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kCodeSectionCode, // section id
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6, // section length
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1, // functions count
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4, // body size
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0, // locals count
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kExprLocalGet, 0, // Access a non-existing local
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kExprEnd // --
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]);
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// Find error at the index of kExprLocalGet.
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let pos = bytes.length - 1 - 1;
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testErrorPosition(bytes, pos, 'invalid local index');
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})();
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(function testCodeSectionRepeats() {
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let bytes = new Binary;
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bytes.emit_header();
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bytes.emit_bytes([
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kTypeSectionCode, // section id
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4, // section length
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1, // number of types
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kWasmFunctionTypeForm, // type
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0, // number of parameter
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0 // number of returns
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]);
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bytes.emit_bytes([
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kFunctionSectionCode, // section id
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2, // section length
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1, // number of functions
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0 // signature index
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]);
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bytes.emit_bytes([
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kCodeSectionCode, // section id
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4, // section length
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1, // functions count
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2, // body size
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0, // locals count
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kExprEnd // body
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]);
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// TODO(clemensb): Fix error reporting to point to the section start, not the
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// payload start.
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let pos = bytes.length + 2;
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bytes.emit_bytes([
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kCodeSectionCode, // section id (repeating)
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4, // section length
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1, // functions count
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2, // body size
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0, // locals count
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kExprEnd // body
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]);
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// Find error at the second kCodeSectionCode.
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testErrorPosition(bytes, pos, 'unexpected section <Code>');
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})();
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(function testCodeSectionSizeZero() {
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let bytes = new Binary;
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bytes.emit_header();
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bytes.emit_bytes([
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kTypeSectionCode, // section id
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4, // section length
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1, // number of types
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kWasmFunctionTypeForm, // type
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0, // number of parameter
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0 // number of returns
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]);
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bytes.emit_bytes([
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kFunctionSectionCode, // section id
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2, // section length
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1, // number of functions
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0 // signature index
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]);
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bytes.emit_bytes([
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kCodeSectionCode, // section id
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0, // section length (empty)
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]);
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// Find error at the code section length.
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let pos = bytes.length;
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testErrorPosition(bytes, pos, 'reached end while decoding functions count');
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})();
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(function testInvalidSection() {
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let bytes = new Binary;
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bytes.emit_header();
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bytes.emit_bytes([
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kTypeSectionCode, // section id
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5, // section length
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1, // number of types
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kWasmFunctionTypeForm, // type
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1, // number of parameter
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kWasmVoid, // invalid type
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0 // number of returns
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]);
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let pos = bytes.length - 1 - 1;
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testErrorPosition(bytes, pos, 'invalid value type');
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})();
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(function testDataSegmentsMismatch() {
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let bytes = new Binary;
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bytes.emit_header();
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bytes.emit_bytes([
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kDataCountSectionCode, // section id
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1, // section length
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1, // num data segments
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kDataSectionCode, // section id
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1, // section length
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0 // num data segments
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]);
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let pos = bytes.length;
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testErrorPosition(
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bytes, pos, 'data segments count 0 mismatch \\(1 expected\\)');
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})();
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(function testMissingCodeSection() {
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let bytes = new Binary;
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bytes.emit_header();
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bytes.emit_bytes([
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kTypeSectionCode, // section id
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4, // section length
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1, // number of types
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kWasmFunctionTypeForm, // type
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0, // number of parameter
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0, // number of returns
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kFunctionSectionCode, // section id
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2, // section length
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1, // number of functions
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0, // signature index
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]);
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let pos = bytes.length;
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testErrorPosition(
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bytes, pos, 'function count is 1, but code section is absent');
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})();
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