On Wed, Sep 1, 2021 at 3:15 AM Tetsuo Handa
wrote:
> syzbot is reporting page fault at vga16fb_fillrect() [1], for
> vga16fb_check_var() is failing to detect multiplication overflow.
>
> if (vxres * vyres > maxmem) {
> vyres = maxmem / vxres;
> if (vyres < yres)
> return -ENOMEM;
syzbot is reporting page fault at vga16fb_fillrect() [1], for
vga16fb_check_var() is failing to detect multiplication overflow.
if (vxres * vyres > maxmem) {
vyres = maxmem / vxres;
if (vyres < yres)
return -ENOMEM;
}
Since no module would accept too huge resolutions where
