Maxim Uvarov wrote:
}
So your test case allocates vmalloc memory but never touches it.
Yes, it is so. Bug occurs on rmmod this module. (Module does not free
memory
allocated with vmalloc().
Nor does it stop the thread on exit or avoid unloading. So panicing is
expected.
Ralf, I'm sorry for misunderstanding. Original kernel does panic in
this situation. In my patch it went to panic with
Original kernel does _NOT_ panic.
+ else if (pgd_page_vaddr(*pgd) != pgd_page_vaddr(*pgd_k))
+ goto no_context;
Actually it was the reason of this patch.
But looks like we need go immediately to no_context for 64 bit and do
not do this checks.
Maxim.
