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/hotspot/jtreg/runtime/ErrorHandling/TestCrashOnOutOfMemoryError.java
+++ b/test/hotspot/jtreg/runtime/ErrorHandling/TestCrashOnOutOfMemoryError.java
@ -0,0 +1,101 @@
+/*
+ * Copyright (c) 2015, 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 TestCrashOnOutOfMemoryError
+ * @summary Test using -XX:+CrashOnOutOfMemoryError
+ * @modules java.base/jdk.internal.misc
+ * @library /test/lib
+ * @requires vm.flagless
+ * @run driver TestCrashOnOutOfMemoryError
+ * @bug 8138745
+ */
+
+import jdk.test.lib.process.OutputAnalyzer;
+import jdk.test.lib.process.ProcessTools;
+import java.io.BufferedReader;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.InputStreamReader;
+import java.io.IOException;
+import java.util.regex.Pattern;
+
+public class TestCrashOnOutOfMemoryError {
+
+    public static void main(String[] args) throws Exception {
+        if (args.length == 1) {
+            // This should guarantee to throw:
+            // java.lang.OutOfMemoryError: Requested array size exceeds VM limit
+            try {
+                Object[] oa = new Object[Integer.MAX_VALUE];
+                throw new Error("OOME not triggered");
+            } catch (OutOfMemoryError err) {
+                throw new Error("OOME didn't abort JVM!");
+            }
+        }
+        // else this is the main test
+        ProcessBuilder pb = ProcessTools.createLimitedTestJavaProcessBuilder("-XX:+CrashOnOutOfMemoryError",
+                 "-XX:-CreateCoredumpOnCrash", "-Xmx128m", TestCrashOnOutOfMemoryError.class.getName(),"throwOOME");
+        OutputAnalyzer output = new OutputAnalyzer(pb.start());
+        int exitValue = output.getExitValue();
+        if (0 == exitValue) {
+            //expecting a non zero value
+            throw new Error("Expected to get non zero exit value");
+        }
+
+        /* Output should look something like this. The actual text will depend on the OS and its core dump processing.
+           Aborting due to java.lang.OutOfMemoryError: Requested array size exceeds VM limit
+           # A fatal error has been detected by the Java Runtime Environment:
+           #
+           #  Internal Error (/home/cheleswer/Desktop/jdk9/dev/hotspot/src/share/vm/utilities/debug.cpp:303), pid=6212, tid=6213
+           #  fatal error: OutOfMemory encountered: Requested array size exceeds VM limit
+           #
+           # JRE version: OpenJDK Runtime Environment (9.0) (build 1.9.0-internal-debug-cheleswer_2015_10_20_14_32-b00)
+           # Java VM: OpenJDK 64-Bit Server VM (1.9.0-internal-debug-cheleswer_2015_10_20_14_32-b00, mixed mode, tiered, compressed oops, serial gc, linux-amd64)
+           # Core dump will be written. Default location: Determined by the following:
+           "/usr/share/apport/apport %p %s %c %P" (alternatively, falling back to /home/cheleswer/Desktop/core.6212)
+           #
+           # An error report file with more information is saved as:
+           # /home/cheleswer/Desktop/hs_err_pid6212.log
+           #
+           # If you would like to submit a bug report, please visit:
+           #   http://bugreport.java.com/bugreport/crash.jsp
+           #
+           Current thread is 6213
+           Dumping core ...
+           Aborted (core dumped)
+        */
+        output.shouldContain("Aborting due to java.lang.OutOfMemoryError: Requested array size exceeds VM limit");
+        // extract hs-err file
+        File hs_err_file = HsErrFileUtils.openHsErrFileFromOutput(output);
+
+        // Do a perfunctory check of the hs-err file produced by the crash.
+        Pattern[] pattern = new Pattern[] {
+            Pattern.compile(".*fatal error: OutOfMemory encountered: Requested array size exceeds VM limit.*")
+        };
+
+        HsErrFileUtils.checkHsErrFileContent(hs_err_file, pattern, false);
+
+        System.out.println("PASSED");
+    }
+}