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

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.
2026-03-26 17:11:57 -04:00 · 2026-03-26 17:11:57 -04:00 · 0a580b313d
commit 0a580b313d
70422 changed files with 17213626 additions and 0 deletions
--- a/test/jdk/com/sun/jdi/EventQueueDisconnectTest.java
+++ b/test/jdk/com/sun/jdi/EventQueueDisconnectTest.java
@ -0,0 +1,114 @@
+/*
+ * Copyright (c) 2001, 2025, 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 4425852
+ * @author Robert Field
+ *
+ * @summary EventQueueDisconnectTest checks to see that
+ * VMDisconnectedException is never thrown before VMDisconnectEvent.
+ *
+ * Failure mode for this test is throwing VMDisconnectedException
+ * on vm.eventQueue().remove();
+ * Does not use a scaffold since we don't want that hiding the exception.
+ *
+ * @run build VMConnection
+ * @run compile -g EventQueueDisconnectTest.java
+ * @run driver EventQueueDisconnectTest
+ */
+import com.sun.jdi.*;
+import com.sun.jdi.event.*;
+import com.sun.jdi.request.*;
+
+
+    /********** target program **********/
+
+class EventQueueDisconnectTarg {
+    public static void main(String args[]) {
+        for (int i=0; i < 10; ++i) {
+            Say(i);
+        }
+    }
+    static void Say(int what) {
+        System.out.println("Say " + what);
+    }
+}
+
+    /********** test program **********/
+
+public class EventQueueDisconnectTest {
+
+    public static void main(String args[]) throws Exception {
+        VMConnection connection = new VMConnection(
+                                       "com.sun.jdi.CommandLineLaunch:",
+                                       VirtualMachine.TRACE_NONE, false);
+        connection.setConnectorArg("main", "EventQueueDisconnectTarg");
+        String debuggeeVMOptions = VMConnection.getDebuggeeVMOptions();
+        if (!debuggeeVMOptions.equals("")) {
+            if (connection.connectorArg("options").length() > 0) {
+                throw new IllegalArgumentException("VM options in two places");
+            }
+            connection.setConnectorArg("options", debuggeeVMOptions);
+        }
+        VirtualMachine vm = connection.open();
+        EventRequestManager requestManager = vm.eventRequestManager();
+        MethodEntryRequest req = requestManager.createMethodEntryRequest();
+        req.addClassFilter("EventQueueDisconnectTarg");
+        req.setSuspendPolicy(EventRequest.SUSPEND_NONE);
+        req.enable();
+
+        // We need to have the BE stop when VMDeath comes
+        VMDeathRequest ourVMDeathRequest = requestManager.createVMDeathRequest();
+        ourVMDeathRequest.setSuspendPolicy(EventRequest.SUSPEND_ALL);
+        ourVMDeathRequest.enable();
+
+        vm.resume();
+        while (true) {
+            EventSet set = vm.eventQueue().remove();
+            Event event = set.eventIterator().nextEvent();
+
+            System.err.println("EventSet with: " + event.getClass());
+
+            if (event instanceof VMDisconnectEvent) {
+                System.err.println("Disconnecting successfully");
+                break;
+            }
+
+            if (event instanceof VMDeathEvent) {
+                System.err.println("Pausing after VM death");
+
+                // sleep a few seconds
+                try {
+                    Thread.sleep(40 * 1000);
+                } catch (InterruptedException exc) {
+                    // ignore
+                }
+            }
+
+            set.resume();
+        }
+
+        System.err.println("EventQueueDisconnectTest passed");
+    }
+}