diff --git a/lib/string.c b/lib/string.c
index ed83562..ccabe16 100644
--- a/lib/string.c
+++ b/lib/string.c
@@ -952,3 +952,10 @@ char *strreplace(char *s, char old, char new)
 	return s;
 }
 EXPORT_SYMBOL(strreplace);
+
+void fortify_panic(const char *name)
+{
+	pr_emerg("detected buffer overflow in %s\n", name);
+	BUG();
+}
+EXPORT_SYMBOL(fortify_panic);