uvm_fault(fffffd806bee1c60,6d8de9cc000,0,2) at uvm_fault+0x1e0 sys/uvm/uvm_fault.c:622
upageflttrap(ffff800037287000,6d8de9cc000) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188
usertrap(ffff800037287000) at usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436
recall_trap() at recall_trap+0x8
end of kernel
end trace frame: 0x7382419c7280, count: -8