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/8161985/T8161985a.java

@@ -0,0 +1,28 @@
+/*
+ * @test /nodynamiccopyright/
+ * @bug 8161985
+ * @summary Spurious override of Object.getClass leads to NPE
+ * @compile/fail/ref=T8161985a.out -XDrawDiagnostics T8161985a.java
+ */
+
+class T8161985 {
+    public static void meth() {
+        T8161985 t = new T8161985();
+        t.getClass();
+
+    }
+    public void getClass() {
+        Fred1 f = new Fred1();
+        System.out.println( "fred classname: " + f.getClassName());
+    }
+
+
+    abstract class Fred {
+        public String getClassName() {
+            return this.getClass().getSimpleName();
+        }
+    }
+
+    class Fred1 extends Fred {
+    }
+}