On Tue, 2021-04-06 at 08:21 -0400, Alexander Aring wrote:
> Hi,
>
> On Mon, 5 Apr 2021 at 15:58, Pavel Skripkin
> wrote:
> >
> > syzbot reported shift-out-of-bounds in nl802154_new_interface.
> > The problem was in signed representation of enum nl802154_iftype
> >
> > enum nl802154_iftype {
> >
Hi,
On Mon, 5 Apr 2021 at 15:58, Pavel Skripkin wrote:
>
> syzbot reported shift-out-of-bounds in nl802154_new_interface.
> The problem was in signed representation of enum nl802154_iftype
>
> enum nl802154_iftype {
> /* for backwards compatibility TODO */
> NL802154_IFTYPE_UNSPEC
syzbot reported shift-out-of-bounds in nl802154_new_interface.
The problem was in signed representation of enum nl802154_iftype
enum nl802154_iftype {
/* for backwards compatibility TODO */
NL802154_IFTYPE_UNSPEC = -1,
...
Since, enum has negative value in it, objects of this type
