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8285914: AppCDS crash when using shared archive with old class file
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Reviewed-by: dholmes, iklam
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calvinccheung committed May 9, 2022
1 parent fe6e0c0 commit 29ccb8f
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Showing 6 changed files with 226 additions and 9 deletions.
17 changes: 8 additions & 9 deletions src/hotspot/share/classfile/systemDictionaryShared.cpp
Expand Up @@ -1625,17 +1625,16 @@ class CleanupDumpTimeLambdaProxyClassTable: StackObj {
bool do_entry(LambdaProxyClassKey& key, DumpTimeLambdaProxyClassInfo& info) {
assert_lock_strong(DumpTimeTable_lock);
InstanceKlass* caller_ik = key.caller_ik();
if (SystemDictionaryShared::check_for_exclusion(caller_ik, NULL)) {
// If the caller class is excluded, unregister all the associated lambda proxy classes
// so that they will not be included in the CDS archive.
for (int i = info._proxy_klasses->length() - 1; i >= 0; i--) {
SystemDictionaryShared::reset_registered_lambda_proxy_class(info._proxy_klasses->at(i));
info._proxy_klasses->remove_at(i);
}
}
InstanceKlass* nest_host = caller_ik->nest_host_not_null();

// If the caller class and/or nest_host are excluded, the associated lambda proxy
// must also be excluded.
bool always_exclude = SystemDictionaryShared::check_for_exclusion(caller_ik, NULL) ||
SystemDictionaryShared::check_for_exclusion(nest_host, NULL);

for (int i = info._proxy_klasses->length() - 1; i >= 0; i--) {
InstanceKlass* ik = info._proxy_klasses->at(i);
if (SystemDictionaryShared::check_for_exclusion(ik, NULL)) {
if (always_exclude || SystemDictionaryShared::check_for_exclusion(ik, NULL)) {
SystemDictionaryShared::reset_registered_lambda_proxy_class(ik);
info._proxy_klasses->remove_at(i);
}
Expand Down
5 changes: 5 additions & 0 deletions src/hotspot/share/oops/instanceKlass.hpp
Expand Up @@ -474,6 +474,11 @@ class InstanceKlass: public Klass {
bool has_nest_member(JavaThread* current, InstanceKlass* k) const;

public:
// Call this only if you know that the nest host has been initialized.
InstanceKlass* nest_host_not_null() {
assert(_nest_host != NULL, "must be");
return _nest_host;
}
// Used to construct informative IllegalAccessError messages at a higher level,
// if there was an issue resolving or validating the nest host.
// Returns NULL if there was no error.
Expand Down
79 changes: 79 additions & 0 deletions test/hotspot/jtreg/runtime/cds/appcds/NestHostOldInf.java
@@ -0,0 +1,79 @@
/*
* Copyright (c) 2022, 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
* @bug 8285914
* @summary A lambda proxy class should not be archived if its nest host implements an
* old (with major version < JDK_6 (50)) interface which cannot be verified during dump time.
* @requires vm.cds
* @library /test/lib
* @compile test-classes/OldInf.jasm test-classes/ChildOldInf.java test-classes/NestHostOldInfApp.java
* @run driver NestHostOldInf
*/

import jdk.test.lib.cds.CDSTestUtils;
import jdk.test.lib.process.OutputAnalyzer;

public class NestHostOldInf {

public static void main(String[] args) throws Exception {
String mainClass = "NestHostOldInfApp";
String namePrefix = "oldsuperinf";
String appClasses[] = TestCommon.list("OldInf", "ChildOldInf", "ChildOldInf$InnerChild", mainClass);
JarBuilder.build(namePrefix, appClasses);

String appJar = TestCommon.getTestJar(namePrefix + ".jar");
String archiveName = namePrefix + ".jsa";

boolean dynamicMode = CDSTestUtils.DYNAMIC_DUMP;

// create archive with class list
OutputAnalyzer output = TestCommon.dump(appJar, appClasses, "-Xlog:class+load,cds=debug,verification=trace");
TestCommon.checkExecReturn(output, 0,
dynamicMode ? true : false,
"Skipping OldInf: Old class has been linked",
"Skipping ChildOldInf: Old class has been linked");

// run with archive
TestCommon.run(
"-cp", appJar,
"-Xlog:class+load,cds=debug,verification=trace",
mainClass)
.assertNormalExit(out -> {
out.shouldContain("Verifying class OldInf with old format")
.shouldContain("Verifying class ChildOldInf with new format")
.shouldContain("ChildOldInf$InnerChild source: shared objects file")
.shouldContain("Hello from InnerChild doTest");
if (!dynamicMode) {
out.shouldContain("OldInf source: shared objects file")
.shouldContain("ChildOldInf source: shared objects file");
} else {
// Old classes were already linked before dynamic dump happened,
// so they couldn't be archived.
out.shouldMatch(".class.load.*OldInf source:.*oldsuperinf.jar")
.shouldMatch(".class.load.*ChildOldInf source:.*oldsuperinf.jar");
}
});
}
}
@@ -0,0 +1,89 @@
/*
* Copyright (c) 2022, 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
* @bug 8285914
* @summary A lambda proxy class should not be archived if its nest host implements an
* old (with major version < JDK_6 (50)) interface which cannot be verified during dump time.
* @requires vm.cds
* @requires vm.cds.custom.loaders
* @library /test/lib /test/hotspot/jtreg/runtime/cds/appcds
* @compile ../test-classes/OldInf.jasm ../test-classes/ChildOldInf.java ../test-classes/NestHostOldInfApp.java
* @build sun.hotspot.WhiteBox
* @run driver jdk.test.lib.helpers.ClassFileInstaller -jar oldclassapp.jar NestHostOldInfApp OldInf ChildOldInf ChildOldInf$InnerChild
* @run driver jdk.test.lib.helpers.ClassFileInstaller -jar WhiteBox.jar sun.hotspot.WhiteBox
* @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xbootclasspath/a:./WhiteBox.jar NestHostOldInf
*/

import java.io.File;
import jdk.test.lib.cds.CDSTestUtils;
import jdk.test.lib.process.OutputAnalyzer;
import jdk.test.lib.helpers.ClassFileInstaller;

public class NestHostOldInf extends DynamicArchiveTestBase {
private static final String ARCHIVE_NAME = CDSTestUtils.getOutputFileName("oldclass-top.jsa");
private static String wbJar = ClassFileInstaller.getJarPath("WhiteBox.jar");
private static String use_whitebox_jar = "-Xbootclasspath/a:" + wbJar;
private static String appJar = ClassFileInstaller.getJarPath("oldclassapp.jar");
private static String mainAppClass = "NestHostOldInfApp";

public static void main(String[] args) throws Exception {
runTest(NestHostOldInf::doTest);
}

private static void doTest() throws Exception {
dump(ARCHIVE_NAME,
use_whitebox_jar,
"-XX:+UnlockDiagnosticVMOptions",
"-XX:+WhiteBoxAPI",
"-Xlog:cds",
"-Xlog:cds+dynamic=debug",
"-cp", appJar,
mainAppClass)
.assertNormalExit(output -> {
output.shouldContain("Written dynamic archive 0x")
.shouldContain("Skipping ChildOldInf: Old class has been linked")
.shouldContain("Skipping OldInf: Old class has been linked")
.shouldHaveExitValue(0);
});

run(ARCHIVE_NAME,
use_whitebox_jar,
"-XX:+UnlockDiagnosticVMOptions",
"-XX:+WhiteBoxAPI",
"-Xlog:class+load",
"-Xlog:cds=debug",
"-Xlog:cds+dynamic=info",
"-cp", appJar,
mainAppClass)
.assertNormalExit(output -> {
output.shouldHaveExitValue(0)
.shouldMatch(".class.load. OldInf source:.*oldclassapp.jar")
.shouldMatch(".class.load. ChildOldInf source:.*oldclassapp.jar")
.shouldContain("ChildOldInf$InnerChild source: shared objects file (top)")
.shouldMatch(".class.load. ChildOldInf[$]InnerChild[$][$]Lambda[$].*/0x.*source:.ChildOldInf");
});
}
}
Expand Up @@ -25,4 +25,21 @@ public class ChildOldInf implements OldInf {
public String doit() {
return "ChildOldInf";
}

public static ChildOldInf.InnerChild innerChild() {
return new InnerChild();
}

public static final class InnerChild {
public InnerChild() {
}
public void doTest() {
doit(() -> {
System.out.println("Hello from InnerChild doTest");
});
}
public void doit(Runnable t) {
t.run();
}
}
}
@@ -0,0 +1,28 @@
/*
* Copyright (c) 2022, 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.
*
*/
public class NestHostOldInfApp {
public static void main(String args[]) {
ChildOldInf.innerChild().doTest();
}
}

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