From de840c7c3ac30e1fcb780bb48ccec663b67467d7 Mon Sep 17 00:00:00 2001
From: h2-addad <hamza2.addad@live.uwe.ac.uk>
Date: Sun, 16 Jul 2023 15:25:11 +0000
Subject: [PATCH] Upload New File
---
src/tests/vm/pt-bad-read.c | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
create mode 100644 src/tests/vm/pt-bad-read.c
diff --git a/src/tests/vm/pt-bad-read.c b/src/tests/vm/pt-bad-read.c
new file mode 100644
index 0000000..ee791ff
--- /dev/null
+++ b/src/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");
+}
--
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