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FreeBSD lock order reversal (LOR) #47

ID 47
state unknown
responsible
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LOR
lock order reversal
  1st 0xc160ac64 wi1 (network driver) @ sys/dev/wi/if_wi.c:601
  2nd 0xc080c824 user map (user map) @ sys/vm/vm_map.c:2994
		
KDB: stack backtrace:
witness_checkorder(c080c824,9,c078b23a,bb2,cbcf2b04) at witness_checkorder+0x500
_sx_xlock(c080c824,c078b23a,bb2,1000001,cbcf2b04) at _sx_xlock+0x3a
vm_map_lookup(cbcf2b04,0,1,cbcf2b08,cbcf2af8,cbcf2afc,cbcf2adf,cbcf2ae0) at vm_map_lookup+0x24
vm_fault(c080c7e0,0,1,0,c1524000) at vm_fault+0x62
trap_pfault(4,4,0,0,246) at trap_pfault+0x126
trap(18,10,10,42b,0) at trap+0x318
calltrap() at calltrap+0x5
--- trap 0xc, eip = 0xc05675ec, esp = 0xcbcf2c0c, ebp = 0xcbcf2c1c ---
		
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