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.

test/jdk/sun/java2d/marlin/ArrayCacheSizeTest.java

@@ -0,0 +1,132 @@
+/*
+ * Copyright (c) 2015, 2016, 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.
+ */
+
+import sun.java2d.marlin.ArrayCacheConst;
+
+/*
+ * @test
+ * @bug 8144445
+ * @summary Check the ArrayCache getNewLargeSize() method
+ * @run main ArrayCacheSizeTest
+ * @modules java.desktop/sun.java2d.marlin
+ */
+public class ArrayCacheSizeTest {
+
+    public static void main(String[] args) {
+        testNewSize();
+        testNewLargeSize();
+    }
+
+    private static void testNewSize() {
+        testNewSize(0, 1);
+        testNewSize(0, 100000);
+
+        testNewSize(4096, 4097);
+        testNewSize(4096 * 16, 4096 * 16 + 1);
+
+        testNewSize(4096 * 4096 * 4, 4096 * 4096 * 4 + 1);
+
+        testNewSize(4096 * 4096 * 4, Integer.MAX_VALUE);
+
+        testNewSize(Integer.MAX_VALUE - 1000, Integer.MAX_VALUE);
+
+        testNewSizeExpectAIOB(Integer.MAX_VALUE - 1000, Integer.MAX_VALUE + 1);
+        testNewSizeExpectAIOB(1, -1);
+        testNewSizeExpectAIOB(Integer.MAX_VALUE, -1);
+    }
+
+    private static void testNewSizeExpectAIOB(final int curSize,
+                                              final int needSize) {
+        try {
+            testNewSize(curSize, needSize);
+            throw new RuntimeException("ArrayIndexOutOfBoundsException not thrown");
+        } catch (ArrayIndexOutOfBoundsException aiobe) {
+            System.out.println("ArrayIndexOutOfBoundsException expected.");
+        } catch (RuntimeException re) {
+            throw re;
+        } catch (Throwable th) {
+            throw new RuntimeException("Unexpected exception", th);
+        }
+    }
+
+    private static void testNewSize(final int curSize,
+                                    final int needSize) {
+
+        int size = ArrayCacheConst.getNewSize(curSize, needSize);
+
+        System.out.println("getNewSize(" + curSize + ", " + needSize
+            + ") = " + size);
+
+        if (size < 0 || size < needSize) {
+            throw new IllegalStateException("Invalid getNewSize("
+                + curSize + ", " + needSize + ") = " + size + " !");
+        }
+    }
+
+    private static void testNewLargeSize() {
+        testNewLargeSize(0, 1);
+        testNewLargeSize(0, 100000);
+
+        testNewLargeSize(4096, 4097);
+        testNewLargeSize(4096 * 16, 4096 * 16 + 1);
+
+        testNewLargeSize(4096 * 4096 * 4, 4096 * 4096 * 4 + 1);
+
+        testNewLargeSize(4096 * 4096 * 4, Integer.MAX_VALUE);
+
+        testNewLargeSize(Integer.MAX_VALUE - 1000, Integer.MAX_VALUE);
+
+        testNewLargeSizeExpectAIOB(Integer.MAX_VALUE - 1000, Integer.MAX_VALUE + 1L);
+        testNewLargeSizeExpectAIOB(1, -1L);
+        testNewLargeSizeExpectAIOB(Integer.MAX_VALUE, -1L);
+    }
+
+    private static void testNewLargeSizeExpectAIOB(final long curSize,
+                                                   final long needSize) {
+        try {
+            testNewLargeSize(curSize, needSize);
+            throw new RuntimeException("ArrayIndexOutOfBoundsException not thrown");
+        } catch (ArrayIndexOutOfBoundsException aiobe) {
+            System.out.println("ArrayIndexOutOfBoundsException expected.");
+        } catch (RuntimeException re) {
+            throw re;
+        } catch (Throwable th) {
+            throw new RuntimeException("Unexpected exception", th);
+        }
+    }
+
+    private static void testNewLargeSize(final long curSize,
+                                         final long needSize) {
+
+        long size = ArrayCacheConst.getNewLargeSize(curSize, needSize);
+
+        System.out.println("getNewLargeSize(" + curSize + ", " + needSize
+            + ") = " + size);
+
+        if (size < 0 || size < needSize || size > Integer.MAX_VALUE) {
+            throw new IllegalStateException("Invalid getNewLargeSize("
+                + curSize + ", " + needSize + ") = " + size + " !");
+        }
+    }
+
+}