On Tue, Jul 20, 2021 at 2:50 AM Sam Ravnborg wrote:
>
> Hi Zheyu,
> On Wed, Jul 14, 2021 at 04:09:22AM +, Zheyu Ma wrote:
> > The user can pass in any value to the driver through the 'ioctl'
> > interface. The driver dost not check, which may cause DoS bugs.
> >
> > The following log reveals i
Hi Zheyu,
On Wed, Jul 14, 2021 at 04:09:22AM +, Zheyu Ma wrote:
> The user can pass in any value to the driver through the 'ioctl'
> interface. The driver dost not check, which may cause DoS bugs.
>
> The following log reveals it:
>
> divide error: [#1] PREEMPT SMP KASAN PTI
> RIP: 0010:
The user can pass in any value to the driver through the 'ioctl'
interface. The driver dost not check, which may cause DoS bugs.
The following log reveals it:
divide error: [#1] PREEMPT SMP KASAN PTI
RIP: 0010:SetOverlayViewPort+0x133/0x5f0
drivers/video/fbdev/kyro/STG4000OverlayDevice.c:47