lang: en

FreeBSD lock order reversal (LOR) #215

ID 215
state unknown
responsible
reported first 2007-05-25
reported last
do you know more? submit update by email
LOR
lock order reversal:
 1st 0xc06e0820 polling (polling) @ sys/kern/kern_poll.c:422
 2nd 0xc473070c if_bridge (if_bridge) @ sys/net/if_bridge.c:1976
		
KDB: stack backtrace:
witness_checkorder(c473070c,9,c068bfbc,7b8) at witness_checkorder+0x55c
_mtx_lock_flags(c473070c,0,c068bfbc,7b8,c473070c,...) at _mtx_lock_flags+0x41
bridge_input(c43d9000,c4740000,c43a828c,c43a8000,c4740000,...) at
bridge_input+0x80
ether_input(c43d9000,c4740000,c43a828c,0,c0675f3c,...) at ether_input+0x122
e1000_rxeof(d43f2cbc,c0524e5d,d43f2ca8,1,5,...) at e1000_rxeof+0x19b
e1000_poll(c43d9000,0,5) at e1000_poll+0x46
netisr_poll(0) at netisr_poll+0x70
swi_net(0,c4315438,c4323a80,c050a484,c4322648,...) at swi_net+0xb0
ithread_loop(c430f700,d43f2d38,c430f700,c050a484,0,...) at ithread_loop+0x1de
fork_exit(c050a484,c430f700,d43f2d38) at fork_exit+0x7d
fork_trampoline() at fork_trampoline+0x8
--- trap 0x1, eip = 0, esp = 0xd43f2d6c, ebp = 0 ---
		
comments/references