uvm_fault(fffffb006cdb33f0,1f0ebec8000,0,1) at uvm_fault+0x1ea sys/uvm/uvm_fault.c:650
upageflttrap(ffff80003b7aa9e0,1f0ebec8000) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:194
usertrap(ffff80003b7aa9e0) at usertrap+0x430 sys/arch/amd64/amd64/trap.c:648
recall_trap() at recall_trap+0x8
end of kernel
end trace frame: 0x706fa745a5d0, count: -8