The integer overflow triggered for simple masks in the "badram"
command, such as "badram 0x0000000012340000,0xfffffffffffffff8".
This resulted in an infinite loop, locking up the machine.
Signed-off-by: Wanda Phinode <wanda@phinode.net>
Reviewed-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-by: Sudhakar Kuppusamy <sudhakar@linux.ibm.com>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
