v8/test/mjsunit/regress/wasm/regress-776677.js

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// Copyright 2017 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.
function module(stdlib,foreign,buffer) {
"use asm";
var fl = new stdlib.Uint32Array(buffer);
function f1(x) {
x = x | 0;
fl[0] = x;
fl[0x10000] = x;
fl[0x100000] = x;
}
return f1;
}
var global = {Uint32Array:Uint32Array};
var env = {};
Reland "[asmjs] Properly validate asm.js heap sizes" This is a reland of 5c3092718e92d123366d0e5d3679c7258bda686c (the CL was reverted because of a Chromium test that is now fixed) Original change's description: > Reland "[asmjs] Properly validate asm.js heap sizes" > > This is a reland of 5d69010e269e3161a95de2030e14f0a291d00b42 > > Original change's description: > > [asmjs] Properly validate asm.js heap sizes > > > > Enforce both engine limitations and spec (http://asmjs.org/spec/latest/) > > limitations on the size of asm.js heaps. > > > > R=clemensh@chromium.org > > CC=​mstarzinger@chromium.org > > > > Bug: chromium:873600 > > Change-Id: I104c23bbd0a9a7c494f97f8f9e83ac5a37496dfd > > Reviewed-on: https://chromium-review.googlesource.com/1174411 > > Commit-Queue: Ben Titzer <titzer@chromium.org> > > Reviewed-by: Michael Starzinger <mstarzinger@chromium.org> > > Cr-Commit-Position: refs/heads/master@{#55163} > > Bug: chromium:873600 > Change-Id: Id24070bda3aafb9e1a32af0732a1b18f633ef932 > Reviewed-on: https://chromium-review.googlesource.com/1179681 > Commit-Queue: Ben Titzer <titzer@chromium.org> > Reviewed-by: Michael Starzinger <mstarzinger@chromium.org> > Cr-Commit-Position: refs/heads/master@{#55193} Bug: chromium:873600 Change-Id: I6eca2a89589070837b109278f964fc8e9a0fd6f1 Reviewed-on: https://chromium-review.googlesource.com/1183081 Reviewed-by: Michael Starzinger <mstarzinger@chromium.org> Reviewed-by: Maya Lekova <mslekova@chromium.org> Commit-Queue: Ben Titzer <titzer@chromium.org> Cr-Commit-Position: refs/heads/master@{#55249}
2018-08-17 12:05:25 +00:00
memory = new WebAssembly.Memory({initial:128});
var buffer = memory.buffer;
evil_f = module(global,env,buffer);
zz = {};
zz.toString = function() {
Array.prototype.slice.call([]);
return 0xffffffff;
}
evil_f(3);
assertThrows(() => memory.grow(1), RangeError);
evil_f(zz);