uvm_fault(fffffd806eebca18,d0872cf6000,0,2) at uvm_fault+0xf2 sys/uvm/uvm_fault.c:601
upageflttrap(ffff80002fefac40,d0872cf6000) at upageflttrap+0x82 sys/arch/amd64/amd64/trap.c:181
usertrap(ffff80002fefac40) at usertrap+0x1aa sys/arch/amd64/amd64/trap.c:417
recall_trap() at recall_trap+0x8
end of kernel
end trace frame: 0xd080db34b60, count: -13
ddb{0}> machine ddbcpu 1
Stopped at      db_enter+0x18:  addq    $0x8,%rsp
ddb{1}> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437
pfsync_delete_state(fffffd805d356780) at pfsync_delete_state+0x87 sys/net/if_pfsync.c:2133
pf_remove_state(fffffd805d356780) at pf_remove_state+0x240 sys/net/pf.c:1741
pf_purge_expired_states(40,40) at pf_purge_expired_states+0x2ed sys/net/pf.c:1897
pf_purge_states(0) at pf_purge_states+0x3a sys/net/pf.c:1576
taskq_thread(ffffffff8297ef60) at taskq_thread+0xe5 sys/kern/kern_task.c:449
end trace frame: 0x0, count: -6