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/Collections/FindSubList.java
+++ b/test/jdk/java/util/Collections/FindSubList.java
@ -0,0 +1,107 @@
+/*
+ * Copyright (c) 2000, 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 4323074
+ * @summary Basic test for Collections.indexOfSubList/lastIndexOfSubList
+ */
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.Vector;
+
+public class FindSubList {
+    public static void main(String[] args) throws Exception {
+        int N = 500;
+        List source = new ArrayList(3 * N);
+        List[] target = new List[N+1];
+        int[] index = new int[N+1];
+        for (int i=0; i<=N; i++) {
+            List t = new ArrayList();
+            String s = Integer.toString(i, 2);
+            for (int j=0, len = s.length(); j<len; j++)
+                t.add(s.charAt(j)=='1' ? "1" : "0");
+            target[i] = t;
+            if (i == N) {
+                index[i] = -1;
+            } else {
+                index[i] = source.size();
+                source.addAll(t);
+                source.add("*");
+            }
+        }
+
+        List[] src = {
+            source,
+            new LinkedList(source),
+            new Vector(source),
+            Arrays.asList(source.toArray())
+        };
+        for (int j=0; j<src.length; j++) {
+            List s = src[j];
+
+            for (int i=0; i<=N; i++) {
+                int idx = Collections.indexOfSubList(s, target[i]);
+                if (idx != index[i])
+                    throw new Exception(s.getClass()+" indexOfSubList: " + i +
+                                        "is " + idx + ", should be "+index[i]);
+            }
+
+            if (Collections.indexOfSubList(s,Collections.nCopies(2*s.size(),
+                                                                 "0")) != -1)
+               throw new Exception(s.getClass()+" indexOfSubList: big target");
+
+        }
+
+        Collections.reverse(source);
+        int srcSize = source.size();
+        for (int i=0; i<=N; i++) {
+            Collections.reverse(target[i]);
+            if (i != N)
+                index[i] = srcSize - index[i] - target[i].size();
+        }
+        List[] src2 = {
+            source,
+            new LinkedList(source),
+            new Vector(source),
+            Arrays.asList(source.toArray())
+        };
+        for (int j=0; j<src2.length; j++) {
+            List s = src2[j];
+
+            for (int i=0; i<=N; i++) {
+                int idx = Collections.lastIndexOfSubList(s, target[i]);
+                if (idx != index[i])
+                    throw new Exception(s.getClass()+" lastIdexOfSubList: "+i +
+                                        "is " + idx + ", should be "+index[i]);
+            }
+            if (Collections.indexOfSubList(s,Collections.nCopies(2*s.size(),
+                                                                 "0")) != -1)
+              throw new Exception(s.getClass()+" lastIndexOfSubList: big tgt");
+        }
+    }
+}