8316271: JfrJvmtiAgent::retransformClasses failed: JVMTI_ERROR_FAILS_VERIFICATION

Reviewed-by: egahlin
This commit is contained in:
Markus Grönlund 2023-10-30 11:51:31 +00:00
parent 88b9cdae8f
commit c4c66aba93
2 changed files with 62 additions and 1 deletions
src/jdk.jfr/share/classes/jdk/jfr/internal
test/jdk/jdk/jfr/jvm

@ -451,7 +451,6 @@ final class EventInstrumentation {
// if (!settingsMethod(eventConfiguration.settingX)) goto fail;
codeBuilder.aload(0);
getEventConfiguration(codeBuilder);
codeBuilder.checkcast(TYPE_EVENT_CONFIGURATION);
codeBuilder.ldc(index);
invokevirtual(codeBuilder, TYPE_EVENT_CONFIGURATION, METHOD_EVENT_CONFIGURATION_GET_SETTING);
MethodTypeDesc mdesc = MethodTypeDesc.ofDescriptor("(" + sd.paramType().descriptorString() + ")Z");
@ -712,6 +711,7 @@ final class EventInstrumentation {
private void getEventConfiguration(CodeBuilder codeBuilder) {
if (untypedEventConfiguration) {
codeBuilder.getstatic(getEventClassDesc(), FIELD_EVENT_CONFIGURATION.name(), TYPE_OBJECT);
codeBuilder.checkcast(TYPE_EVENT_CONFIGURATION);
} else {
codeBuilder.getstatic(getEventClassDesc(), FIELD_EVENT_CONFIGURATION.name(), TYPE_EVENT_CONFIGURATION);
}

@ -0,0 +1,61 @@
/*
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* 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
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*
* 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.
*
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* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package jdk.jfr.jvm;
import jdk.jfr.Recording;
import jdk.test.lib.jfr.EventNames;
/**
* @test
* @bug 8316271
* @key jfr
* @requires vm.hasJFR
* @library /test/lib
* @run main/othervm -Xverify:all jdk.jfr.jvm.TestVerifyInstrumentation
*/
public class TestVerifyInstrumentation {
private final static String EVENT_NAME = EventNames.ThreadSleep;
public static void main(String[] args) {
// This thread sleep wil load the jdk.internal.event.ThreadSleepEvent
// before JFR has started recording. This will set the type of the static
// field EventConfiguration to become untyped, i.e. java.lang.Object.
// Before issuing an invokevirtual instructions for this receiver, we must perform
// the proper type conversion, i.e. a downcast to type EventConfiguration using
// a conditional checkcast. -Xverify:all asserts this is ok.
//
// If not ok, the following exception is thrown as part of retransformation:
//
// java.lang.RuntimeException: JfrJvmtiAgent::retransformClasses failed: JVMTI_ERROR_FAILS_VERIFICATION.
//
try {
Thread.sleep(1);
} catch (InterruptedException ie) {}
try (Recording recording = new Recording()) {
recording.enable(EVENT_NAME).withoutThreshold().withStackTrace();
recording.start();
recording.stop();
}
}
}