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/LoadLibrary/TestSunBootLibraryPath.java
+++ b/test/hotspot/jtreg/runtime/LoadLibrary/TestSunBootLibraryPath.java
@ -0,0 +1,59 @@
+/*
+ * Copyright (c) 2019, 2024, 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 TestSunBootLibraryPath.java
+ * @bug 8227021
+ * @summary Confirm using too-long paths in sun.boot.library.path causes failure and useful error message.
+ * @author afarley
+ * @library /test/lib
+ * @build jdk.test.lib.process.ProcessTools
+ * @run driver TestSunBootLibraryPath
+ */
+
+import jdk.test.lib.process.ProcessTools;
+
+public class TestSunBootLibraryPath {
+    static String expectedErrorMessage = "The VM tried to use a path that exceeds the maximum path length for this system.";
+
+    public static void main(String[] args) throws Exception {
+        // Allows us to re-use this class as a do-nothing test class simply by passing a "Do-Nothing" argument.
+        if (args.length == 0) {
+            // Grab any path.
+            String tooLongPath = System.getProperty("sun.boot.library.path");
+            // Add enough characters to make it "too long".
+            tooLongPath += "a".repeat(5000);
+            // Start a java process with this property set, and check that:
+            // 1) The process failed and
+            // 2) The error message was correct.
+            ProcessTools.executeTestJava("-Dsun.boot.library.path=" + tooLongPath,
+                                         "TestSunBootLibraryPath",
+                                         "'Do-Nothing'")
+                                         .shouldNotHaveExitValue(0)
+                                         .stdoutShouldContain(expectedErrorMessage);
+        } else if (!args[0].equals("Do-Nothing")) {
+            // Fail, to prevent accidental args from causing accidental test passing.
+            throw new IllegalArgumentException("Test was launched with an invalid argument.");
+        }
+    }
+}