/* libguestfs - the guestfsd daemon
- * Copyright (C) 2009 Red Hat Inc.
+ * Copyright (C) 2009 Red Hat Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
{
int r;
+ if (mask < 0 || mask > 0777) {
+ reply_with_error ("0%o: mask negative or out of range", mask);
+ return -1;
+ }
+
r = umask (mask);
if (r == -1) {