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src/tests/vm/pt-bad-read.c

+/* Reads from a file into a bad address.
+   The process must be terminated with -1 exit code. */
+
+#include <syscall.h>
+#include "tests/lib.h"
+#include "tests/main.h"
+
+void
+test_main (void)
+{
+  int handle;
+
+  CHECK ((handle = open ("sample.txt")) > 1, "open \"sample.txt\"");
+  read (handle, (char *) &handle - 4096, 1);
+  fail ("survived reading data into bad address");
+}