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/langtools/tools/javac/lambda/T8038182/CrashFunctionDescriptorExceptionTest.java

@@ -0,0 +1,24 @@
+/*
+ * @test /nodynamiccopyright/
+ * @bug 8038182
+ * @summary javac crash with FunctionDescriptorLookupError for invalid functional interface
+ * @compile/fail/ref=CrashFunctionDescriptorExceptionTest.out -XDrawDiagnostics CrashFunctionDescriptorExceptionTest.java
+ */
+
+class CrashFunctionDescriptorExceptionTest {
+
+    @SuppressWarnings("unchecked")
+    void m () {
+        bar((B b) -> {});
+    }
+
+    <E extends A<E>> void bar(I<E> i) {}
+
+    class A<E> {}
+
+    class B<E> extends A<E> {}
+
+    interface I<E extends A<E>> {
+        void foo(E e);
+    }
+}