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/awt/FontClass/CreateFont/DeleteFont.java
+++ b/test/jdk/java/awt/FontClass/CreateFont/DeleteFont.java
@ -0,0 +1,95 @@
+/*
+ * Copyright (c) 2004, 2020, 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 java.io.ByteArrayInputStream;
+import java.io.FileInputStream;
+import java.io.InputStream;
+import java.io.IOException;
+import java.awt.Font;
+
+public class DeleteFont {
+
+    public static void main(String args[]) throws Exception {
+
+        String font = "A.ttf";
+        String sep = System.getProperty("file.separator");
+        String testSrc = System.getenv("TESTSRC");
+        if (testSrc != null) {
+            font = testSrc + sep + font;
+        }
+        System.out.println("Using font file: " + font);
+        FileInputStream fis = new FileInputStream(font);
+        Font f = Font.createFont(Font.TRUETYPE_FONT, fis);
+        f.toString();
+        f.deriveFont(Font.BOLD);
+        f.canDisplay('X');
+
+       InputStream in = new InputStream() {
+            public int read() {
+                throw new RuntimeException();
+            }
+        };
+        boolean gotException = false;
+        try {
+           Font.createFont(java.awt.Font.TRUETYPE_FONT, in);
+        } catch (IOException e) {
+            gotException = true;
+        }
+        if (!gotException) {
+            throw new RuntimeException("No expected IOException");
+        }
+
+        badRead(-2, 16, Font.TYPE1_FONT);
+        badRead(8193, 14, Font.TYPE1_FONT);
+
+        badRead(-2, 12, Font.TRUETYPE_FONT);
+        badRead(8193, 10, Font.TRUETYPE_FONT);
+
+        // Make sure GC has a chance to clean up before we exit.
+        System.gc(); System.gc();
+        Thread.sleep(5000);
+        System.gc(); System.gc();
+    }
+
+    static void badRead(final int retval, final int multiple, int fontType) {
+        int num = 2;
+        byte[] buff = new byte[multiple*8192]; // Multiple of 8192 is important.
+        for (int ct=0; ct<num; ++ct) {
+            try {
+                Font.createFont(
+                    fontType,
+                    new ByteArrayInputStream(buff) {
+                        @Override
+                        public int read(byte[] buff, int off, int len) {
+                            int read = super.read(buff, off, len);
+                            return read<0 ? retval : read;
+                        }
+                    }
+                );
+            } catch (Throwable exc) {
+                //exc.printStackTrace();
+            }
+        }
+    }
+}
+