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/BadAccess.java

@@ -0,0 +1,30 @@
+/*
+ * @test /nodynamiccopyright/
+ * @bug 8003280
+ * @summary Add lambda tests
+ *  check that non-static variables are not accessible from static lambdas
+ * @author  Maurizio Cimadamore
+ * @compile/fail/ref=BadAccess.out -XDrawDiagnostics BadAccess.java
+ */
+
+public class BadAccess {
+
+    int i;
+    static int I;
+
+    interface SAM {
+        int m();
+    }
+
+    static void test1() {
+        int l = 0; //effectively final
+        final int L = 0;
+        SAM s = ()-> i + I + l + L;
+    }
+
+    void test2() {
+        int l = 0; //effectively final
+        final int L = 0;
+        SAM s = ()-> i + I + l + L;
+    }
+}