Hi...
I actually followed your direction and made the pointer static. But that did not solve the problem which I think is expected if I am not wrong. Because even though the klife pointer passed in klife_open is local, we save the pointer in filp->private_data for any future access to that memory location. So even if the pointer gets destructed when we return from klife_open, we can still access that memory through filp->private_data?
My fault. I missed to see that the klife hook pointer is assigned to
timer_interrupt_hook.
Right now, I have no more ideas. I suggest to test your module inside
virtual machine such as Qemu and do the debugging there.... at least to
see the EIP and stack trace when system hangs.
regards,
Mulyadi
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