438e7ec6dc
This is a reland of5c3092718e
(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 of5d69010e26
> > 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}
31 lines
708 B
JavaScript
31 lines
708 B
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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function module(stdlib,foreign,buffer) {
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"use asm";
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var fl = new stdlib.Uint32Array(buffer);
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function f1(x) {
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x = x | 0;
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fl[0] = x;
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fl[0x10000] = x;
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fl[0x100000] = x;
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}
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return f1;
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}
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var global = {Uint32Array:Uint32Array};
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var env = {};
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memory = new WebAssembly.Memory({initial:128});
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var buffer = memory.buffer;
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evil_f = module(global,env,buffer);
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zz = {};
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zz.toString = function() {
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Array.prototype.slice.call([]);
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return 0xffffffff;
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}
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evil_f(3);
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assertThrows(() => memory.grow(1), RangeError);
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evil_f(zz);
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