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/util/zip/StreamIOAfterClose.java
+++ b/test/jdk/java/util/zip/StreamIOAfterClose.java
@ -0,0 +1,78 @@
+/*
+ * Copyright (c) 1998, 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 4110528 4112112 4112103
+   @summary Test if zip related in/output streams will
+            prevent i/o after stream has been closed.
+   */
+import java.util.zip.*;
+import java.util.jar.*;
+import java.io.*;
+
+public class StreamIOAfterClose {
+    // compressed stub data
+    private static byte[] compressed = {
+        31,-117,8,0,0,0,0,0,0,0,-85,-107,-79,74,85,97,117,48,
+        -9,117,-47,114,15,-87,-27,-9,-54,-48,49,-108,17,19,20,
+        118,-87,-84,78,-15,-10,-87,-112,51,115,16,85,81,54,11,
+        114,44,11,98,116,17,102,-10,72,-10,80,-79,101,14,47,-50,
+        16,117,-9,-83,16,13,-55,83,83,103,-30,-117,-42,-82,-105,
+        -119,46,-16,20,-111,-85,-16,-48,54,79,-53,-76,116,
+        -80,-78,77,-88,-85,50,113,-54,15,-74,-28,-44,101,-43,47,
+        85,54,-74,1,0,85,69,28,117,100,0,0,0
+    };
+
+    private static void testRead(InputStream in) throws Exception {
+        in.close();
+        try {
+            in.read();
+            throw new Exception("read allowed after stream is closed");
+        } catch (IOException e) {
+        }
+    }
+
+    private static void testWrite(ZipOutputStream out) throws Exception {
+        out.close();
+        try {
+            out.putNextEntry(new ZipEntry(""));
+            throw new Exception("write allowed after stream is closed");
+        } catch (IOException e) {
+        }
+    }
+
+    public static void main(String argv[]) throws Exception {
+        ZipOutputStream zos = new ZipOutputStream(new ByteArrayOutputStream());
+        zos.putNextEntry(new ZipEntry("1"));
+        testWrite(zos);
+
+        JarOutputStream jos = new JarOutputStream(new ByteArrayOutputStream());
+        jos.putNextEntry(new ZipEntry("1"));
+        testWrite(jos);
+
+        InputStream bis = new ByteArrayInputStream(new byte[10]);
+        InputStream bis1 = new ByteArrayInputStream(compressed);
+        testRead(new ZipInputStream(bis));
+        testRead(new GZIPInputStream(bis1));
+    }
+}