1 files changed, 16 insertions, 0 deletions

diff --git a/tests/vm/pt-bad-read.c b/tests/vm/pt-bad-read.c
new file mode 100644
index 0000000..ee791ff
--- /dev/null
+++ b/tests/vm/pt-bad-read.c
@@ -0,0 +1,16 @@
+/* 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");
+}