Dynamic (#77)

tests/dynamic_fixtures/java/fileio_adversarial.java

@@ -0,0 +1,16 @@
+// File I/O — adversarial collision fixture.
+// Prints the path-traversal canary marker unconditionally without reading any
+// file and without emitting __NYX_SINK_HIT__, so the oracle observes a marker
+// hit with no sink-reachability.
+// Expected verdict: Inconclusive(OracleCollisionSuspected)
+// Entry: Entry.readFile(String)  Cap: FILE_IO
+
+public class Entry {
+    public static void readFile(String userPath) {
+        // Coincidental oracle match — emits the marker string but is not a
+        // file-read sink and never reaches the planted canary.  Must match the
+        // CANARY_MARKER in src/dynamic/corpus/path_trav/java.rs.
+        System.out.println("NYX_PATHTRAVERSAL_R34D_a7f3c1d8 present");
+        int x = userPath.length();
+    }
+}