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/*
* Copyright (c) 2023, BELLSOFT. 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.
*/
/*
* @test
* @bug 8168469
* @summary Memory leak in JceSecurity
* @compile --add-exports java.base/com.sun.crypto.provider=ALL-UNNAMED VerificationResults.java
* @run main/othervm -Xmx128m --add-exports java.base/com.sun.crypto.provider=ALL-UNNAMED VerificationResults
*/
import java.security.NoSuchAlgorithmException;
import java.security.Provider;
import javax.crypto.Cipher;
import javax.crypto.NoSuchPaddingException;
import com.sun.crypto.provider.SunJCE;
public class VerificationResults {
// approximate double the number of providers that fits in -Xmx128m heap
private static final int PROVIDERS_COUNT = 2000;
// the heap buffer size that triggers the OOME when the providers heap cannot be reclaimed
private static final int OOM_TRIGGER_SIZE = 10 * 1024 * 1024;
public static void main(String[] args) throws NoSuchAlgorithmException, NoSuchPaddingException {
int i = 0;
try {
for (; i < PROVIDERS_COUNT; i++) {
SunJCE jceProvider = new SunJCE();
Cipher c = Cipher.getInstance("AES", jceProvider);
char[] arr = new char[OOM_TRIGGER_SIZE];
}
} catch (OutOfMemoryError e) {
System.out.println("Caught OOME - less than 10M heap left.\nCreated " + i + " SunJCE providers");
throw e;
}
}
}
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