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/nio/channels/Pipe/SelectPipe.java
+++ b/test/jdk/java/nio/channels/Pipe/SelectPipe.java
@ -0,0 +1,90 @@
+/*
+ * Copyright (c) 2002, 2010, 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
+ * @summary Test selection of ready pipe
+ * @key randomness
+ */
+
+import java.io.*;
+import java.nio.ByteBuffer;
+import java.nio.channels.*;
+import java.nio.channels.spi.SelectorProvider;
+import java.util.Random;
+
+/**
+ * Testing PipeChannel
+ */
+public class SelectPipe {
+
+    private static Random generator = new Random();
+
+    public static void main(String[] args) throws Exception {
+
+        SelectorProvider sp = SelectorProvider.provider();
+        Selector selector = Selector.open();
+        Pipe p = sp.openPipe();
+        Pipe.SinkChannel sink = p.sink();
+        Pipe.SourceChannel source = p.source();
+
+        source.configureBlocking(false);
+        sink.configureBlocking(false);
+
+        SelectionKey readkey = source.register(selector, SelectionKey.OP_READ);
+        SelectionKey writekey = sink.register(selector, SelectionKey.OP_WRITE);
+
+        ByteBuffer outgoingdata = ByteBuffer.allocateDirect(10);
+        byte[] someBytes = new byte[10];
+        generator.nextBytes(someBytes);
+        outgoingdata.put(someBytes);
+        outgoingdata.flip();
+
+        int totalWritten = 0;
+        while (totalWritten < 10) {
+            int written = sink.write(outgoingdata);
+            if (written < 0)
+                throw new Exception("Write failed");
+            totalWritten += written;
+        }
+
+        if (selector.select(1000) == 0) {
+            throw new Exception("test failed");
+        }
+
+        ByteBuffer incomingdata = ByteBuffer.allocateDirect(10);
+        int totalRead = 0;
+        do {
+            int bytesRead = source.read(incomingdata);
+            if (bytesRead > 0)
+                totalRead += bytesRead;
+        } while(totalRead < 10);
+
+        sink.close();
+        source.close();
+        selector.close();
+
+        for(int i=0; i<10; i++)
+            if (outgoingdata.get(i) != incomingdata.get(i))
+                throw new Exception("Pipe failed");
+    }
+}