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/langtools/tools/javac/T8024437/ExceptionInferenceFromClassFileTest.java
+++ b/test/langtools/tools/javac/T8024437/ExceptionInferenceFromClassFileTest.java
@ -0,0 +1,78 @@
+/*
+ * Copyright (c) 2013, 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.
+ */
+
+/*
+ * @test
+ * @bug 8024437
+ * @summary Inferring the exception thrown by a lambda: sometimes fails to compile
+ * @library /tools/lib
+ * @modules jdk.compiler/com.sun.tools.javac.api
+ *          jdk.compiler/com.sun.tools.javac.main
+ *          jdk.jdeps/com.sun.tools.javap
+ * @build toolbox.ToolBox toolbox.JavacTask
+ * @run main ExceptionInferenceFromClassFileTest
+ */
+
+import java.nio.file.Files;
+import java.nio.file.Paths;
+
+import toolbox.JavacTask;
+import toolbox.ToolBox;
+
+public class ExceptionInferenceFromClassFileTest {
+
+    static final String ABSrc =
+            "class B {\n" +
+            "    public static <E extends Throwable> void t(A<E> a) throws E {\n" +
+            "        a.run();\n" +
+            "    }\n" +
+            "}\n" +
+
+            "interface A<E extends Throwable> {\n" +
+            "    void run() throws E;\n" +
+            "}";
+
+    static final String CSrc =
+            "class C {\n" +
+            "    public void d() {\n" +
+            "        B.t(null);\n" +
+            "    }\n" +
+            "}";
+
+    public static void main(String[] args) throws Exception {
+        ToolBox tb = new ToolBox();
+        tb.createDirectories("out");
+
+        new JavacTask(tb)
+                .outdir("out")
+                .sources(ABSrc)
+                .run();
+
+        new JavacTask(tb)
+                .outdir("out")
+                .classpath("out")
+                .sources(CSrc)
+                .run();
+    }
+
+}