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undefect. CWE-407 — 63 sites patched across 27 ecosystems

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Authors: russell@unturf.com · brackishbert@gmail.com · foxhop.net · TimeHexOn.com

Patches, unit tests, benchmarks, whitepaper, and outreach briefs.
Public domain — no copyright claimed. Use freely.
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russell@unturf.com 2026-03-26 17:11:57 -04:00
commit 0a580b313d
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148
test/hotspot/jtreg/vmTestbase/nsk/aod/VirtualMachine/VirtualMachine02/VirtualMachine02.java Normal file
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/*
* Copyright (c) 2008, 2020, 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.
*/
/*
* @test
*
* @summary converted from VM Testbase nsk/aod/VirtualMachine/VirtualMachine02.
* VM Testbase keywords: [feature_282, jdk]
* VM Testbase readme:
* Description :
* Test checks work of Attach API (com.sun.tools.attach).
* Test is based on the nsk.share.aod framework.
* Test checks following methods:
* - VirtualMachine.attach(String id) (test tries to attach to the VM running test
* and to the another VM started by this test)
* - VirtualMachine.attach(VirtualMachineDescriptor vmd) (test tries to attach to the VM running test
* and to the another VM started by this test)
* - VirtualMachine.detach() (test checks that after detaching operations on VirtualMachine throw IOException)
*
* @library /vmTestbase /test/hotspot/jtreg/vmTestbase
* /test/lib
* @build nsk.share.aod.DummyTargetApplication
* @run main/othervm
* -Djdk.attach.allowAttachSelf
* -XX:+UsePerfData
* nsk.aod.VirtualMachine.VirtualMachine02.VirtualMachine02
* -jdk ${test.jdk}
* -javaOpts="-XX:+UsePerfData ${test.vm.opts} ${test.java.opts}"
* -target nsk.share.aod.DummyTargetApplication
*/
package nsk.aod.VirtualMachine.VirtualMachine02;
import com.sun.tools.attach.VirtualMachine;
import com.sun.tools.attach.VirtualMachineDescriptor;
import com.sun.tools.attach.spi.AttachProvider;
import nsk.share.aod.AODTestRunner;
import nsk.share.test.TestUtils;
import java.io.IOException;
/*
* Test checks following methods:
* - VirtualMachine.attach(String) (test tries to attach to current and to another VM)
* - VirtualMachine.attach(VirtualMachineDescriptor) (test tries to attach to current and to another VM)
* - VirtualMachine.detach() (test checks that after detaching operations on VirtualMachine
* throw IOException)
*/
public class VirtualMachine02 extends AODTestRunner {
public VirtualMachine02(String[] args) {
super(args);
}
public void doTestActions(String targetVMId) throws Throwable {
log.display("Executing test for current VM");
String currentVMId = getCurrentVMId();
doTest(currentVMId);
log.display("");
log.display("Executing test for another VM (id = " + targetVMId + ")");
doTest(targetVMId);
}
void doTest(String targetVMId) throws Throwable {
VirtualMachine vm;
log.display("Trying to attach using VirtualMachine(\"" + targetVMId + "\")");
vm = VirtualMachine.attach(targetVMId);
log.display("Attached: " + vm);
checkDetach(vm);
log.display("Trying to attach using VirtualMachine(VirtualMachineDescriptor)");
AttachProvider provider;
TestUtils.assertTrue(AttachProvider.providers().size() > 0, "AttachProvider.providers() returns empty list");
provider = AttachProvider.providers().get(0);
log.display("Create VirtualMachineDescriptor using provider '" + provider + "'");
VirtualMachineDescriptor vmDescriptor = new VirtualMachineDescriptor(provider, targetVMId);
vm = VirtualMachine.attach(vmDescriptor);
log.display("Attached: " + vm);
TestUtils.assertEquals(vm.provider(), provider, "vm.provider() returns unexpected value: " + vm.provider());
checkDetach(vm);
}
void checkDetach(VirtualMachine vm) throws Throwable {
log.display("Detaching from " + vm);
vm.detach();
try {
vm.getSystemProperties();
TestUtils.testFailed("Expected IOException wasn't thrown");
} catch (IOException e) {
// expected exception
}
try {
vm.getAgentProperties();
TestUtils.testFailed("Expected IOException wasn't thrown");
} catch (IOException e) {
// expected exception
}
try {
vm.loadAgent("agent");
TestUtils.testFailed("Expected IOException wasn't thrown");
} catch (IOException e) {
// expected exception
}
try {
vm.loadAgentLibrary("agent");
TestUtils.testFailed("Expected IOException wasn't thrown");
} catch (IOException e) {
// expected exception
}
try {
vm.loadAgentPath("agent");
TestUtils.testFailed("Expected IOException wasn't thrown");
} catch (IOException e) {
// expected exception
}
// shouldn't throw exception
log.display("Trying to call detach one more time for " + vm);
vm.detach();
}
public static void main(String[] args) {
new VirtualMachine02(args).runTest();
}
}