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/RestrictedMethods.java

@@ -0,0 +1,56 @@
+/*
+ * @test /nodynamiccopyright/
+ * @bug 8316971
+ * @summary Smoke test for restricted method call warnings
+ * @compile/fail/ref=RestrictedMethods.out -Xlint:restricted -Werror -XDrawDiagnostics RestrictedMethods.java
+ * @compile/fail/ref=RestrictedMethods.out --release ${jdk.version} -Xlint:restricted -Werror -XDrawDiagnostics RestrictedMethods.java
+ * @compile -Werror RestrictedMethods.java
+ */
+
+import java.lang.foreign.MemorySegment;
+import java.util.function.Function;
+
+class RestrictedMethods {
+
+    MemorySegment warn = MemorySegment.NULL.reinterpret(10); // warning here
+    @SuppressWarnings("restricted")
+    MemorySegment suppressed = MemorySegment.NULL.reinterpret(10); // no warning here
+
+    Function<Integer, MemorySegment> warn_ref = MemorySegment.NULL::reinterpret; // warning here
+
+    @SuppressWarnings("restricted")
+    Function<Integer, MemorySegment> suppressed_ref = MemorySegment.NULL::reinterpret; // no warning here
+
+    void testWarn() {
+        MemorySegment.NULL.reinterpret(10); // warning here
+    }
+
+    @SuppressWarnings("restricted")
+    void testSuppressed() {
+        MemorySegment.NULL.reinterpret(10); // no warning here
+    }
+
+    Function<Integer, MemorySegment> testWarnRef() {
+        return MemorySegment.NULL::reinterpret; // warning here
+    }
+
+    @SuppressWarnings("restricted")
+    Function<Integer, MemorySegment> testSuppressedRef() {
+        return MemorySegment.NULL::reinterpret; // no warning here
+    }
+
+    @SuppressWarnings("restricted")
+    static class Nested {
+        MemorySegment suppressedNested = MemorySegment.NULL.reinterpret(10); // no warning here
+
+        Function<Integer, MemorySegment> suppressedNested_ref = MemorySegment.NULL::reinterpret; // no warning here
+
+        void testSuppressedNested() {
+            MemorySegment.NULL.reinterpret(10); // no warning here
+        }
+
+        Function<Integer, MemorySegment> testSuppressedNestedRef() {
+            return MemorySegment.NULL::reinterpret; // no warning here
+        }
+    }
+}