60 lines
2.3 KiB
Java
60 lines
2.3 KiB
Java
/*
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* Copyright (c) 2023, BELLSOFT. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 8168469
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* @summary Memory leak in JceSecurity
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* @compile --add-exports java.base/com.sun.crypto.provider=ALL-UNNAMED VerificationResults.java
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* @run main/othervm -Xmx128m --add-exports java.base/com.sun.crypto.provider=ALL-UNNAMED VerificationResults
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*/
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import java.security.NoSuchAlgorithmException;
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import java.security.Provider;
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import javax.crypto.Cipher;
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import javax.crypto.NoSuchPaddingException;
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import com.sun.crypto.provider.SunJCE;
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public class VerificationResults {
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// approximate double the number of providers that fits in -Xmx128m heap
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private static final int PROVIDERS_COUNT = 2000;
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// the heap buffer size that triggers the OOME when the providers heap cannot be reclaimed
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private static final int OOM_TRIGGER_SIZE = 10 * 1024 * 1024;
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public static void main(String[] args) throws NoSuchAlgorithmException, NoSuchPaddingException {
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int i = 0;
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try {
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for (; i < PROVIDERS_COUNT; i++) {
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SunJCE jceProvider = new SunJCE();
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Cipher c = Cipher.getInstance("AES", jceProvider);
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char[] arr = new char[OOM_TRIGGER_SIZE];
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}
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} catch (OutOfMemoryError e) {
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System.out.println("Caught OOME - less than 10M heap left.\nCreated " + i + " SunJCE providers");
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throw e;
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}
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}
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}
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