From: Dan Carpenter
Date: Fri, 17 Mar 2017 23:52:35 +0300
> We could allocate less memory than intended because we do:
>
> bnad->regdata = kzalloc(len << 2, GFP_KERNEL);
>
> The shift can overflow leading to a crash. This is debugfs code so the
> impact is very small.
>
> Fixes: 7afc5db
> From: Dan Carpenter [mailto:dan.carpen...@oracle.com]
> Sent: Friday, March 17, 2017 1:53 PM
>
> We could allocate less memory than intended because we do:
>
> bnad->regdata = kzalloc(len << 2, GFP_KERNEL);
>
> The shift can overflow leading to a crash. This is debugfs code so the impac
