| LOR |
lock order reversal
1st 0xffffffff80752ec0 pf task mtx (pf task mtx) @ contrib/pf/net/if_pfsync.c:1621
2nd 0xffffffff8076e9f0 user map (user man) @ vm/vm_map.c:2998
KDB: stack backtrace:
witness_checkorder() at witness_checkorder+0x654
_sx_xlock() at _sx_xlock+0x51
vm_map_lookup() at vm_map_lookup+0x44
vm_fault() at vm_fault+0xba
trap() at trap+0x1c5
alltraps_with_regs_pushed() at alltraps_with_regs_pushed+0x5
pf_state_tree_lan_ext_RB_REMOVE() at pf_state_tree_lan_ext_RB_REMOVE+0x10c
pf_purge_expired_states() at pf_purge_expired_states+0xab
pfsync_input() at ip_input+0x10f
netisr_processqueue() at netisr_processqueue+0x17
swi_net() at swi_net+0xa8
ithread_loop() at ithread_loop+0xd9
fork_exit() at fork_exit+0xc3
fork_trampoline() at fork_trampoline+0xe
--- trap 0, rip = 0, rsp = 0xffffffffb44f9d00, rbp = 0 ---
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