Mercurial > hg > icedtea8-forest > nashorn
changeset 1543:a105e7b0eff9 jdk8u72-b01
8137281: OutOfMemoryError with large numeric keys in JSON.parse
Reviewed-by: attila, mhaupt
author | hannesw |
---|---|
date | Fri, 02 Oct 2015 22:32:04 +0200 |
parents | 92bcafb57da3 |
children | f7c3d65076a0 |
files | src/jdk/nashorn/internal/runtime/arrays/SparseArrayData.java test/script/basic/JDK-8137281.js |
diffstat | 2 files changed, 50 insertions(+), 1 deletions(-) [+] |
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--- a/src/jdk/nashorn/internal/runtime/arrays/SparseArrayData.java Thu Oct 01 10:37:25 2015 +0200 +++ b/src/jdk/nashorn/internal/runtime/arrays/SparseArrayData.java Fri Oct 02 22:32:04 2015 +0200 @@ -36,7 +36,7 @@ * Handle arrays where the index is very large. */ class SparseArrayData extends ArrayData { - static final int MAX_DENSE_LENGTH = 8 * 1024 * 1024; + static final int MAX_DENSE_LENGTH = 1024 * 1024; /** Underlying array. */ private ArrayData underlying;
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/test/script/basic/JDK-8137281.js Fri Oct 02 22:32:04 2015 +0200 @@ -0,0 +1,49 @@ +/* + * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + */ + +/** + * JDK-8137281: OutOfMemoryError with large numeric keys in JSON.parse + * + * @test + * @run + */ + +function createObject(startKey, level1, level2) { + var root = {}; + var key = startKey; + for (var i = 0; i < level1; i++) { + var child = {}; + for (var j = 0; j < level2; j++) { + child[key++] = {}; + } + root[key++] = child; + } + return root; +} + +JSON.parse(JSON.stringify(createObject(500000, 20, 20))); +JSON.parse(JSON.stringify(createObject(1000000, 20, 20))); +JSON.parse(JSON.stringify(createObject(2000000, 20, 20))); +JSON.parse(JSON.stringify(createObject(4000000, 20, 20))); +JSON.parse(JSON.stringify(createObject(8000000, 20, 20))); +JSON.parse(JSON.stringify(createObject(16000000, 20, 20)));