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/SuperInit/NewLocalNotInInner.java

@@ -0,0 +1,72 @@
+/*
+ * @test /nodynamiccopyright/
+ * @bug 8373570
+ * @summary Javac stack overflow on method-local class with nested record referring to enclosing type
+ * @compile/fail/ref=NewLocalNotInInner.out -XDrawDiagnostics NewLocalNotInInner.java
+ */
+class NewLocalNotInInner {
+    void m() {
+        class Local {
+            static class Foo {
+                void m() {
+                    new Local(); // error
+                }
+            }
+        }
+    }
+
+    void m_anon() {
+        class Local {
+            static class Foo {
+                void m() {
+                    new Local() { }; // error
+                }
+            }
+        }
+    }
+
+    void m_record() {
+        class Local {
+            record Foo() {
+                void m() {
+                    new Local(); // error
+                }
+            }
+        }
+    }
+
+    void m_intf() {
+        class Local {
+            interface Foo {
+                default void m() {
+                    new Local(); // error
+                }
+            }
+        }
+    }
+
+    void sup() {
+        class Local {
+            static class Foo {
+                void m() {
+                    class Sub extends Local { }; // error
+                    new Sub();
+                }
+            }
+        }
+    }
+
+    static void staticLocal() {
+        class Local { }
+        new Local(); // ok
+    }
+
+    static void staticLocalFromAnon() {
+        class Local { }
+        new Object() {
+            Local local() {
+                return new Local(); // ok
+            }
+        };
+    }
+}