lang: en

FreeBSD lock order reversal (LOR) #103

ID 103
state result of panic
responsible
reported first
reported last
do you know more? submit update by email
LOR
lock order reversal
 1st 0xc15f8e68 process lock (process lock) @ sys/kern/kern_time.c:595
 2nd 0xc0a00a64 user map (user map) @ sys/vm/vm_map.c:2997
		
KDB: stack backtrace:
kdb_backtrace(c093c54a,c0a00a64,c0954678,c0954678,c09546f8) at kdb_backtrace+0x2e
witness_checkorder(c0a00a64,9,c09546f8,bb5,c151fd80) at witness_checkorder+0x6ba
_sx_xlock(c0a00a64,c09546f8,bb5,c06a1a26,cc01b9f0) at _sx_xlock+0x7e
_vm_map_lock_read(c0a00a20,c09546f8,bb5,15101dd,0) at _vm_map_lock_read+0x4a
vm_map_lookup(cc01ba88,0,1,cc01ba8c,cc01ba7c) at vm_map_lookup+0x38
vm_fault(c0a00a20,0,1,0,c151fd80) at vm_fault+0x7f
trap_pfault(cc01bb70,0,aa8,c0a33a80,aa8) at trap_pfault+0xf1
trap(c0a10008,c0a10028,28,c0938bcb,6ab) at trap+0x35e
calltrap() at calltrap+0x5
--- trap 0xc, eip = 0xc068fc66, esp = 0xcc01bbb0, ebp = 0xcc01bbd0 ---
		
comments/references