engineering/java-topology
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

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

Browse source 
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.
This commit is contained in:
russell@unturf.com 2026-03-26 17:11:57 -04:00
commit 0a580b313d
70422 changed files with 17213626 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

95
test/hotspot/jtreg/runtime/Thread/TestBreakSignalThreadDump.java Normal file
View file

@ -0,0 +1,95 @@
/*
* Copyright (c) 2022, 2025, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2022, Google 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 id=default
* @bug 8292695
* @summary Check that Ctrl-\ or Ctrl-Break (on Windows) causes HotSpot VM to print a full thread dump.
* @library /vmTestbase
* /test/lib
* @run main/native TestBreakSignalThreadDump
*/
/*
* @test id=with_jsig
* @bug 8292695
* @summary Check that Ctrl-\ causes HotSpot VM to print a full thread dump when signal chaining is used.
* @requires os.family != "windows" & os.family != "aix"
* @comment TODO: Decide libjsig support on static JDK with 8351367
* @requires !jdk.static
* @comment loading of the jsig lib does currently not work well with ASAN lib
* @requires !vm.asan
* @library /vmTestbase
* /test/lib
* @run main/native TestBreakSignalThreadDump load_libjsig
*/
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.Map;
import jdk.test.lib.Platform;
import jdk.test.lib.Utils;
import jdk.test.lib.process.ProcessTools;
import jdk.test.lib.process.OutputAnalyzer;
import vm.share.ProcessUtils;
public class TestBreakSignalThreadDump {
static class TestProcess {
static {
System.loadLibrary("ProcessUtils");
}
public static void main(String[] argv) throws Exception {
ProcessUtils.sendCtrlBreak();
// Wait a bit, as JVM processes the break signal asynchronously.
Thread.sleep(1000);
System.out.println("Done!");
}
}
public static void main(String[] argv) throws Exception {
String main = "TestBreakSignalThreadDump$TestProcess";
ProcessBuilder pb = ProcessTools.createTestJavaProcessBuilder("-Djava.library.path=" + Utils.TEST_NATIVE_PATH, main);
if (argv.length > 0 && argv[0].equals("load_libjsig")) {
prepend_jsig_lib(pb.environment());
}
OutputAnalyzer output = new OutputAnalyzer(pb.start());
output.shouldHaveExitValue(0);
output.shouldContain("Full thread dump ");
output.shouldContain("java.lang.Thread.State: RUNNABLE");
output.shouldContain("Done!");
}
private static void prepend_jsig_lib(Map<String, String> env) {
Path libjsig = Platform.jvmLibDir().resolve("libjsig." + Platform.sharedLibraryExt());
if (!Files.exists(libjsig)) {
throw new RuntimeException("File libjsig not found, path: " + libjsig);
}
String env_var = Platform.isOSX() ? "DYLD_INSERT_LIBRARIES" : "LD_PRELOAD";
env.put(env_var, libjsig.toString());
}
}