To crash the driver is enough to use fbset on the framebuffer device to change the resolution:
fbset -xres 1920 -yres 1080 -fb /dev/fb1
What should happen instead:
if the ioctl used by fbset is unsupported, the driver should not crash, but return some error to the userspace.
To crash the driver is enough to use fbset on the framebuffer device to change the resolution:
fbset -xres 1920 -yres 1080 -fb /dev/fb1What should happen instead:
if the ioctl used by fbset is unsupported, the driver should not crash, but return some error to the userspace.