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/security/Security/SecurityPropFile/LinuxAnonymousFiles.java
+++ b/test/jdk/java/security/Security/SecurityPropFile/LinuxAnonymousFiles.java
@ -0,0 +1,83 @@
+/*
+ * Copyright (c) 2026, Red Hat, Inc.
+ *
+ * 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.
+ */
+
+import jdk.test.lib.process.ProcessTools;
+
+import java.io.FileDescriptor;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.lang.reflect.Field;
+import java.nio.file.Files;
+import java.nio.file.Path;
+
+/*
+ * @test
+ * @summary Ensures the java executable is able to load extra security
+ * properties files from anonymous files and pipes.
+ * @bug 8352728
+ * @requires os.family == "linux"
+ * @modules java.base/java.io:+open
+ * @library /test/lib
+ * @run main LinuxAnonymousFiles
+ */
+
+public class LinuxAnonymousFiles {
+    private static final String TEST_PROP = "property.name=PROPERTY_VALUE";
+
+    private static final class AnonymousFile implements AutoCloseable {
+        public final Path fdPath;
+        private final FileInputStream fis;
+
+        private AnonymousFile(CharSequence content) throws Exception {
+            Path tmp = Files.createTempFile("anonymous-file-", "");
+            Files.writeString(tmp, content + System.lineSeparator());
+            fis = new FileInputStream(tmp.toFile());
+            Files.delete(tmp);
+            // Now the file is regular but anonymous, and will be unlinked
+            // when we close the last file descriptor referring to it. The
+            // fis instance ensures we keep it alive until close() is invoked.
+            Field field = FileDescriptor.class.getDeclaredField("fd");
+            field.setAccessible(true);
+            int fd = field.getInt(fis.getFD());
+            fdPath = Path.of("/proc/self").toRealPath().resolve("fd/" + fd);
+        }
+
+        @Override
+        public void close() throws IOException {
+            fis.close();
+        }
+    }
+
+    public static void main(String[] args) throws Exception {
+        Path java = Path.of(System.getProperty("test.jdk"), "bin", "java");
+        try (AnonymousFile af = new AnonymousFile("include /dev/stdin")) {
+            ProcessTools.executeProcess(new ProcessBuilder(java.toString(),
+                            "-Djava.security.debug=properties",
+                            "-Djava.security.properties=" + af.fdPath,
+                            "-XshowSettings:security:properties", "-version"),
+                    TEST_PROP).shouldHaveExitValue(0).shouldContain(TEST_PROP);
+        }
+        System.out.println("TEST PASS - OK");
+    }
+}