On 3/9/23 08:53, Jani Nikula wrote:
On Wed, 08 Mar 2023, Helge Deller wrote:
On 3/7/23 14:08, harperchen wrote:
fb_set_var would by called when user invokes ioctl with cmd
FBIOPUT_VSCREENINFO. User-provided data would finally reach
tgafb_check_var. In case var->pixclock is assigned to zero,
On Wed, 08 Mar 2023, Helge Deller wrote:
> On 3/7/23 14:08, harperchen wrote:
>> fb_set_var would by called when user invokes ioctl with cmd
>> FBIOPUT_VSCREENINFO. User-provided data would finally reach
>> tgafb_check_var. In case var->pixclock is assigned to zero,
>> divide by zero would occur
Dear Helge,
Thank you for the kind words. My real name is Wei Chen.
Please apply this patch to fbdev git tree if it is correct.
Best,
Wei
On Thu, 9 Mar 2023 at 06:05, Helge Deller wrote:
>
> On 3/7/23 14:08, harperchen wrote:
> > fb_set_var would by called when user invokes ioctl with cmd
> >
On 3/7/23 14:08, harperchen wrote:
fb_set_var would by called when user invokes ioctl with cmd
FBIOPUT_VSCREENINFO. User-provided data would finally reach
tgafb_check_var. In case var->pixclock is assigned to zero,
divide by zero would occur when checking whether reciprocal
of var->pixclock is
fb_set_var would by called when user invokes ioctl with cmd
FBIOPUT_VSCREENINFO. User-provided data would finally reach
tgafb_check_var. In case var->pixclock is assigned to zero,
divide by zero would occur when checking whether reciprocal
of var->pixclock is too high.
Similar crashes have
