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/java/lang/RuntimeTests/exec/ArgWithSpaceAndFinalBackslash.java
+++ b/test/jdk/java/lang/RuntimeTests/exec/ArgWithSpaceAndFinalBackslash.java
@ -0,0 +1,77 @@
+/*
+ * Copyright (c) 2003, 2023, 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 4794652
+ * @summary Ensure that a command argument that contains a space and a final
+ *          backslash is handled correctly
+ * @requires vm.flagless
+ */
+
+import java.io.*;
+import java.util.*;
+
+
+public class ArgWithSpaceAndFinalBackslash {
+
+    private static String getJavaCommand() {
+        String javaHome = System.getProperty("java.home");
+        if (javaHome != null && javaHome.length() > 0)
+            return (javaHome
+                    + File.separatorChar + "bin"
+                    + File.separatorChar + "java");
+        else
+            return "java";
+    }
+
+    public static void main(String[] args) throws Exception {
+
+        if (args.length > 0) {
+            System.err.println(args[0]);
+            return;
+        }
+
+        String[] cmd = new String[5];
+        int i = 0;
+        cmd[i++] = getJavaCommand();
+        cmd[i++] = "-cp";
+        String cp = System.getProperty("test.classes");
+        if (cp == null)
+            cp = ".";
+        cmd[i++] = cp;
+        cmd[i++] = "ArgWithSpaceAndFinalBackslash";
+        cmd[i++] = "foo bar\\baz\\";
+
+        Process process = Runtime.getRuntime().exec(cmd);
+        InputStream in = process.getErrorStream();
+        byte[] buf = new byte[1024];
+        int n = 0, d;
+        while ((d = in.read(buf, n, buf.length - n)) >= 0)
+            n += d;
+        String s = new String(buf, 0, n, "US-ASCII").trim();
+        if (!s.equals(cmd[i - 1]))
+            throw new Exception("Test failed: Got \"" + s
+                                + "\", expected \"" + cmd[i - 1] + "\"");
+    }
+
+}