81 lines
4.1 KiB
Java
81 lines
4.1 KiB
Java
/*
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* Copyright (c) 2024, Oracle and/or its affiliates. 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 8334394
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* @summary ensure there is no race condition in Class::protectionDomain
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* @run main/othervm ProtectionDomainRace
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*/
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import javax.security.auth.Subject;
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import java.security.PrivilegedAction;
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/**
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* Without the code fix, this test would fail with
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* java.lang.AssertionError: sun.security.util.ResourcesMgr (PD)
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* at java.base/java.lang.invoke.MethodHandleImpl$BindCaller.checkInjectedInvoker(MethodHandleImpl.java:1209)
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* at java.base/java.lang.invoke.MethodHandleImpl$BindCaller.makeInjectedInvoker(MethodHandleImpl.java:1110)
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* at java.base/java.lang.invoke.MethodHandleImpl$BindCaller$1.computeValue(MethodHandleImpl.java:1117)
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* at java.base/java.lang.invoke.MethodHandleImpl$BindCaller$1.computeValue(MethodHandleImpl.java:1114)
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* at java.base/java.lang.ClassValue.getFromHashMap(ClassValue.java:229)
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* at java.base/java.lang.ClassValue.getFromBackup(ClassValue.java:211)
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* at java.base/java.lang.ClassValue.get(ClassValue.java:117)
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* at java.base/java.lang.invoke.MethodHandleImpl$BindCaller.bindCallerWithInjectedInvoker(MethodHandleImpl.java:1089)
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* at java.base/java.lang.invoke.MethodHandleImpl$BindCaller.bindCaller(MethodHandleImpl.java:1077)
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* at java.base/java.lang.invoke.MethodHandleImpl.bindCaller(MethodHandleImpl.java:1032)
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* at java.base/java.lang.invoke.MethodHandles$Lookup.maybeBindCaller(MethodHandles.java:4149)
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* at java.base/java.lang.invoke.MethodHandles$Lookup.getDirectMethodCommon(MethodHandles.java:4133)
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* at java.base/java.lang.invoke.MethodHandles$Lookup.getDirectMethodNoSecurityManager(MethodHandles.java:4077)
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* at java.base/java.lang.invoke.MethodHandles$Lookup.getDirectMethodForConstant(MethodHandles.java:4326)
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* at java.base/java.lang.invoke.MethodHandles$Lookup.linkMethodHandleConstant(MethodHandles.java:4274)
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* at java.base/java.lang.invoke.MethodHandleNatives.linkMethodHandleConstant(MethodHandleNatives.java:628)
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* at java.base/sun.security.util.ResourcesMgr.getBundle(ResourcesMgr.java:54)
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* at java.base/sun.security.util.ResourcesMgr.getString(ResourcesMgr.java:40)
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* at java.base/javax.security.auth.Subject.doAs(Subject.java:517)
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* ...
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* as the Class::protectionDomain might assign different objects to the (original) allPermDomain field.
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*/
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public class ProtectionDomainRace {
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private static volatile Throwable failed = null;
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public static void main(String[] args) throws Throwable {
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PrivilegedAction<?> pa = () -> null;
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Thread[] threads = new Thread[100];
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for (int i = 0; i < 100; i++) {
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threads[i] = new Thread(() -> {
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try {
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Subject.doAs(null, pa);
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} catch (Throwable t) {
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failed = t;
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}
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});
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threads[i].start();
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}
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for (int i = 0; i < 100; i++) {
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threads[i].join();
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}
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if (failed != null) {
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throw failed;
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}
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}
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}
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