panic: bad dir
Stopped at db_enter+0x18: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
*462243 81009 0 0 0 0K syz-executor1831808981
141565 22777 0 0 0 1 syz-executor1831808981
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff825e34ee) at panic+0x177 sys/kern/subr_prf.c:198
ufs_lookup() at ufs_lookup+0x174c ufs_dirbad sys/ufs/ufs/ufs_lookup.c:609 [inline]
ufs_lookup() at ufs_lookup+0x174c sys/ufs/ufs/ufs_lookup.c:444
VOP_LOOKUP(fffffd806c6a9e68,ffff8000213061f0,ffff800021306220) at VOP_LOOKUP+0x58 sys/kern/vfs_vops.c:85
vfs_lookup(ffff8000213061c0) at vfs_lookup+0x6e5 sys/kern/vfs_lookup.c:560
namei(ffff8000213061c0) at namei+0x36a sys/kern/vfs_lookup.c:244
domknodat(ffff8000ffff5cf0,ffffff9c,20000000,80002005,2d94) at domknodat+0x92 sys/kern/vfs_syscalls.c:1580
syscall(ffff8000213063c0) at syscall+0x435 mi_syscall sys/sys/syscall_mi.h:101 [inline]
syscall(ffff8000213063c0) at syscall+0x435 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffde640, count: 6
https://www.openbsd.org/ddb.html describes the minimum info required in bug
reports. Insufficient info makes it difficult to find and fix bugs.
ddb{0}>
ddb{0}> set $lines = 0
ddb{0}> set $maxwidth = 0
ddb{0}> show panic
*cpu0: bad dir
ddb{0}> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff825e34ee) at panic+0x177 sys/kern/subr_prf.c:198
ufs_lookup() at ufs_lookup+0x174c ufs_dirbad sys/ufs/ufs/ufs_lookup.c:609 [inline]
ufs_lookup() at ufs_lookup+0x174c sys/ufs/ufs/ufs_lookup.c:444
VOP_LOOKUP(fffffd806c6a9e68,ffff8000213061f0,ffff800021306220) at VOP_LOOKUP+0x58 sys/kern/vfs_vops.c:85
vfs_lookup(ffff8000213061c0) at vfs_lookup+0x6e5 sys/kern/vfs_lookup.c:560
namei(ffff8000213061c0) at namei+0x36a sys/kern/vfs_lookup.c:244
domknodat(ffff8000ffff5cf0,ffffff9c,20000000,80002005,2d94) at domknodat+0x92 sys/kern/vfs_syscalls.c:1580
syscall(ffff8000213063c0) at syscall+0x435 mi_syscall sys/sys/syscall_mi.h:101 [inline]
syscall(ffff8000213063c0) at syscall+0x435 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffde640, count: -9
ddb{0}> show registers
rdi 0
rsi 0x1
rbp 0xffff800021305da0
rbx 0xffffffff829e2b8f cpu_info_full_primary+0x2b8f
rdx 0x3fd
rcx 0
rax 0xf
r8 0x101010101010101
r9 0x8080808080808080
r10 0x64bf8e866db68894
r11 0x3a0bdd498322f300
r12 0xffffffff829e2990 cpu_info_full_primary+0x2990
r13 0
r14 0
r15 0x1
rip 0xffffffff81768868 db_enter+0x18
cs 0x8
rflags 0x246
rsp 0xffff800021305d90
ss 0x10
db_enter+0x18: addq $0x8,%rsp
ddb{0}> show proc
PROC (syz-executor1831808981) pid=462243 stat=onproc
flags process=0 proc=0
pri=50, usrpri=50, nice=20
forw=0xffffffffffffffff, list=0xffff8000212b1268,0xffffffff82a5e258
process=0xffff8000ffff14e0 user=0xffff800021301000, vmspace=0xfffffd806c668d00
estcpu=0, cpticks=1, pctcpu=0.0
user=0, sys=0, intr=0
ddb{0}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
*81009 462243 89348 0 7 0 syz-executor1831808981
24794 94493 11916 0 3 0x80 dklk syz-executor1831808981
57199 77948 58981 0 2 0 syz-executor1831808981
51232 305471 93069 0 3 0x80 dklk syz-executor1831808981
86609 164015 11079 0 2 0 syz-executor1831808981
22777 141565 58601 0 7 0 syz-executor1831808981
94353 415273 5637 0 3 0x80 dklk syz-executor1831808981
83765 434663 60671 0 3 0x80 dklk syz-executor1831808981
93069 282367 98959 0 3 0x80 nanoslp syz-executor1831808981
11079 228824 98959 0 3 0x80 nanoslp syz-executor1831808981
89348 514967 98959 0 3 0x80 nanoslp syz-executor1831808981
58601 87797 98959 0 3 0x80 nanoslp syz-executor1831808981
58981 219417 98959 0 3 0x80 nanoslp syz-executor1831808981
60671 380644 98959 0 3 0x80 nanoslp syz-executor1831808981
11916 31129 98959 0 3 0x80 nanoslp syz-executor1831808981
5637 147876 98959 0 3 0x80 nanoslp syz-executor1831808981
98959 69854 36429 0 3 0x82 nanoslp syz-executor1831808981
36429 464878 22465 0 3 0x10008a sigsusp ksh
22465 4300 12425 0 3 0x9a kqread sshd
11264 38183 1 0 3 0x100083 ttyin getty
12425 24830 1 0 3 0x88 kqread sshd
65885 513033 4174 74 3 0x1100092 bpf pflogd
4174 90547 1 0 3 0x80 netio pflogd
95443 329947 92057 73 3 0x1100090 kqread syslogd
92057 266929 1 0 3 0x100082 netio syslogd
71450 12902 1 0 3 0x100080 kqread resolvd
75458 256065 28794 77 3 0x100092 kqread dhcpleased
80871 170608 28794 77 3 0x100092 kqread dhcpleased
28794 117797 1 0 3 0x80 kqread dhcpleased
59747 522978 0 0 3 0x14200 bored smr
33467 9374 0 0 2 0x14200 zerothread
36374 98796 0 0 3 0x14200 aiodoned aiodoned
81469 18624 0 0 3 0x14200 syncer update
1695 27765 0 0 3 0x14200 cleaner cleaner
32878 390846 0 0 3 0x14200 reaper reaper
17137 129859 0 0 3 0x14200 pgdaemon pagedaemon
21241 475480 0 0 3 0x14200 bored viomb
20110 437271 0 0 3 0x40014200 acpi0 acpi0
13427 57522 0 0 3 0x40014200 idle1
60802 144933 0 0 3 0x14200 bored softnet
40779 432065 0 0 3 0x14200 bored softnet
81360 518498 0 0 3 0x14200 bored softnet
15842 154734 0 0 3 0x14200 bored softnet
56058 192771 0 0 3 0x14200 bored systqmp
41438 349950 0 0 2 0x14200 systq
20766 402798 0 0 3 0x40014200 bored softclock
34430 484235 0 0 3 0x40014200 idle0
1 506500 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{0}> show all locks
Process 81009 (syz-executor1831808981) thread 0xffff8000ffff5cf0 (462243)
exclusive rrwlock inode r = 0 (0xfffffd806c68ae68)
#0 witness_lock+0x44d
#1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310
#2 rrw_enter+0x8b sys/kern/kern_rwlock.c:465
#3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:518
#4 vn_lock+0x84 sys/kern/vfs_vnops.c:564
#5 vfs_lookup+0xd1 sys/kern/vfs_lookup.c:412
#6 namei+0x36a sys/kern/vfs_lookup.c:244
#7 domknodat+0x92 sys/kern/vfs_syscalls.c:1580
#8 syscall+0x435 mi_syscall sys/sys/syscall_mi.h:101 [inline]
#8 syscall+0x435 sys/arch/amd64/amd64/trap.c:585
#9 Xsyscall+0x128
exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82bad6e8)
#0 witness_lock+0x44d
#1 syscall+0x41d mi_syscall sys/sys/syscall_mi.h:100 [inline]
#1 syscall+0x41d sys/arch/amd64/amd64/trap.c:585
#2 Xsyscall+0x128
Process 57199 (syz-executor1831808981) thread 0xffff8000212b0a88 (77948)
exclusive rrwlock inode r = 0 (0xfffffd806c68a918)
#0 witness_lock+0x44d
#1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310
#2 rrw_enter+0x8b sys/kern/kern_rwlock.c:465
#3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:518
#4 ufs_ihashins+0x42 sys/ufs/ufs/ufs_ihash.c:140
#5 ffs_vget+0x141 sys/ufs/ffs/ffs_vfsops.c:1353
#6 ffs_inode_alloc+0x1be sys/ufs/ffs/ffs_alloc.c:394
#7 ufs_makeinode+0xae sys/ufs/ufs/ufs_vnops.c:1818
#8 ufs_mknod+0x4e sys/ufs/ufs/ufs_vnops.c:171
#9 VOP_MKNOD+0xbf sys/kern/vfs_vops.c:121
#10 domknodat+0x326 sys/kern/vfs_syscalls.c:1628
#11 syscall+0x435 mi_syscall sys/sys/syscall_mi.h:101 [inline]
#11 syscall+0x435 sys/arch/amd64/amd64/trap.c:585
#12 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffffd806c68a808)
#0 witness_lock+0x44d
#1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310
#2 rrw_enter+0x8b sys/kern/kern_rwlock.c:465
#3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:518
#4 vn_lock+0x84 sys/kern/vfs_vnops.c:564
#5 vfs_lookup+0xd1 sys/kern/vfs_lookup.c:412
#6 namei+0x36a sys/kern/vfs_lookup.c:244
#7 domknodat+0x92 sys/kern/vfs_syscalls.c:1580
#8 syscall+0x435 mi_syscall sys/sys/syscall_mi.h:101 [inline]
#8 syscall+0x435 sys/arch/amd64/amd64/trap.c:585
#9 Xsyscall+0x128
Process 86609 (syz-executor1831808981) thread 0xffff8000212b0008 (164015)
exclusive rrwlock inode r = 0 (0xfffffd806c68a6f8)
#0 witness_lock+0x44d
#1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310
#2 rrw_enter+0x8b sys/kern/kern_rwlock.c:465
#3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:518
#4 ufs_ihashins+0x42 sys/ufs/ufs/ufs_ihash.c:140
#5 ffs_vget+0x141 sys/ufs/ffs/ffs_vfsops.c:1353
#6 ffs_inode_alloc+0x1be sys/ufs/ffs/ffs_alloc.c:394
#7 ufs_makeinode+0xae sys/ufs/ufs/ufs_vnops.c:1818
#8 ufs_mknod+0x4e sys/ufs/ufs/ufs_vnops.c:171
#9 VOP_MKNOD+0xbf sys/kern/vfs_vops.c:121
#10 domknodat+0x326 sys/kern/vfs_syscalls.c:1628
#11 syscall+0x435 mi_syscall sys/sys/syscall_mi.h:101 [inline]
#11 syscall+0x435 sys/arch/amd64/amd64/trap.c:585
#12 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffffd806c68a1a8)
#0 witness_lock+0x44d
#1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310
#2 rrw_enter+0x8b sys/kern/kern_rwlock.c:465
#3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:518
#4 vn_lock+0x84 sys/kern/vfs_vnops.c:564
#5 vfs_lookup+0xd1 sys/kern/vfs_lookup.c:412
#6 namei+0x36a sys/kern/vfs_lookup.c:244
#7 domknodat+0x92 sys/kern/vfs_syscalls.c:1580
#8 syscall+0x435 mi_syscall sys/sys/syscall_mi.h:101 [inline]
#8 syscall+0x435 sys/arch/amd64/amd64/trap.c:585
#9 Xsyscall+0x128
Process 22777 (syz-executor1831808981) thread 0xffff8000212b02a8 (141565)
exclusive rrwlock inode r = 0 (0xfffffd806c68a5e8)
#0 witness_lock+0x44d
#1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310
#2 rrw_enter+0x8b sys/kern/kern_rwlock.c:465
#3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:518
#4 vn_lock+0x84 sys/kern/vfs_vnops.c:564
#5 vfs_lookup+0xd1 sys/kern/vfs_lookup.c:412
#6 namei+0x36a sys/kern/vfs_lookup.c:244
#7 domknodat+0x92 sys/kern/vfs_syscalls.c:1580
#8 syscall+0x435 mi_syscall sys/sys/syscall_mi.h:101 [inline]
#8 syscall+0x435 sys/arch/amd64/amd64/trap.c:585
#9 Xsyscall+0x128
Process 41438 (systq) thread 0xffff8000211e87e0 (349950)
exclusive rwlock dklk r = 0 (0xffff8000006b6068)
#0 witness_lock+0x44d
#1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310
#2 vndopen+0x8d sys/dev/vnd.c:186
#3 spec_open+0x3df sys/kern/spec_vnops.c:150
#4 VOP_OPEN+0x75 sys/kern/vfs_vops.c:138
#5 disk_readlabel+0xc5 sys/kern/subr_disk.c:1719
#6 disk_attach_callback+0x7c sys/kern/subr_disk.c:1127
#7 taskq_thread+0xe5 sys/kern/kern_task.c:449
#8 proc_trampoline+0x1c
shared rwlock systq r = 0 (0xffffffff829a1020)
#0 witness_lock+0x44d
#1 taskq_thread+0xca sys/kern/kern_task.c:445
#2 proc_trampoline+0x1c
ddb{0}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 10165 6456K 6457K 78643K 11255 0
pcb 13 8K 8K 78643K 13 0
rtable 58 1K 2K 78643K 107 0
ifaddr 30 8K 8K 78643K 33 0
counters 40 33K 33K 78643K 40 0
ioctlops 0 0K 4K 78643K 1479 0
mount 1 1K 1K 78643K 1 0
log 0 0K 0K 78643K 4 0
vnodes 1169 73K 73K 78643K 1183 0
UFS quota 1 32K 32K 78643K 1 0
UFS mount 5 36K 36K 78643K 5 0
shm 2 1K 1K 78643K 2 0
VM map 2 1K 1K 78643K 2 0
sem 2 0K 0K 78643K 2 0
dirhash 12 2K 2K 78643K 12 0
ACPI 1697 195K 286K 78643K 12548 0
file desc 1 0K 0K 78643K 1 0
proc 67 91K 91K 78643K 282 0
NFS srvsock 1 0K 0K 78643K 1 0
NFS daemon 1 16K 16K 78643K 1 0
in_multi 11 0K 0K 78643K 11 0
ether_multi 1 0K 0K 78643K 1 0
ISOFS mount 1 32K 32K 78643K 1 0
MSDOSFS mount 1 16K 16K 78643K 1 0
ttys 25 122K 122K 78643K 25 0
exec 0 0K 2K 78643K 430 0
tdb 3 0K 0K 78643K 3 0
pagedep 1 8K 8K 78643K 1 0
inodedep 1 32K 32K 78643K 1 0
newblk 1 0K 0K 78643K 1 0
VM swap 8 62K 64K 78643K 10 0
UVM amap 111 69K 69K 78643K 1599 0
UVM aobj 3 2K 2K 78643K 3 0
memdesc 1 4K 4K 78643K 1 0
crypto data 1 1K 1K 78643K 1 0
NDP 4 0K 0K 78643K 4 0
temp 25 4725K 4789K 78643K 2774 0
kqueue 11 16K 18K 78643K 24 0
SYN cache 2 16K 16K 78643K 2 0
ddb{0}> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
plcache 128 22 0 0 1 0 1 1 0 8 0
rtpcb 120 17 0 14 1 0 1 1 0 8 0
rtentry 112 23 0 1 1 0 1 1 0 8 0
unpcb 144 35 0 20 1 0 1 1 0 8 0
syncache 296 5 0 5 2 1 1 1 0 8 1
tcpcb 768 8 0 5 1 0 1 1 0 8 0
arp 120 2 0 0 1 0 1 1 0 8 0
inpcb 368 32 0 26 1 0 1 1 0 8 0
pfosfp 40 1428 0 1005 5 0 5 5 0 8 0
pfosfpen 112 1428 0 714 21 0 21 21 0 8 0
pfstitem 24 9 0 2 1 0 1 1 0 8 0
pfstkey 120 9 0 2 1 0 1 1 0 8 0
pfstate 336 9 0 2 1 0 1 1 0 8 0
pfrule 1360 21 0 16 2 1 1 2 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 96 0 0 6 0 6 6 0 8 0
art_table 32 97 0 0 1 0 1 1 0 8 0
art_node 16 22 0 2 1 0 1 1 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 1451 0 45 88 0 88 88 0 8 0
ffsino 272 1452 0 45 94 0 94 94 0 8 0
nchpl 144 1644 0 54 59 0 59 59 0 8 0
uvmvnodes 80 1463 0 0 30 0 30 30 0 8 0
vnodes 216 1463 0 0 82 0 82 82 0 8 0
namei 1024 4492 0 4489 3 1 2 2 0 8 1
percpumem 16 32 0 0 1 0 1 1 0 8 0
kstatmem 264 8 0 0 1 0 1 1 0 8 0
scxspl 216 4607 0 4607 10 7 3 8 0 8 3
plimitpl 152 24 0 9 1 0 1 1 0 8 0
sigapl 424 340 0 292 7 1 6 6 0 8 0
knotepl 120 43 0 0 2 0 2 2 0 8 0
kqueuepl 216 20 0 13 1 0 1 1 0 8 0
pipepl 320 86 0 83 2 1 1 1 0 8 0
fdescpl 496 323 0 292 4 0 4 4 0 8 0
filepl 152 1229 0 1167 3 0 3 3 0 8 0
lockfpl 104 6 0 4 1 0 1 1 0 8 0
lockfspl 48 4 0 2 1 0 1 1 0 8 0
sessionpl 144 26 0 9 1 0 1 1 0 8 0
pgrppl 48 26 0 9 1 0 1 1 0 8 0
ucredpl 104 70 0 57 1 0 1 1 0 8 0
zombiepl 144 292 0 292 2 1 1 1 0 8 1
processpl 1064 340 0 292 4 0 4 4 0 8 0
procpl 672 340 0 292 6 1 5 5 0 8 0
sockpl 488 84 0 60 5 1 4 4 0 8 0
mcl8k 8192 4 0 0 1 0 1 1 0 8 0
mcl4k 4096 4 0 0 1 0 1 1 0 8 0
mcl2k 2048 74 0 0 9 0 9 9 0 8 0
mtagpl 96 2 0 0 1 0 1 1 0 8 0
mbufpl 256 133 0 0 8 0 8 8 0 8 0
bufpl 288 2440 0 86 169 0 169 169 0 8 0
anonpl 24 43829 0 40929 21 3 18 18 0 186 0
amapchunkpl 152 2888 0 2739 8 2 6 6 0 158 0
amappl16 200 40 0 31 2 1 1 1 0 8 0
amappl15 192 74 0 66 1 0 1 1 0 8 0
amappl13 176 34 0 33 2 1 1 1 0 8 0
amappl12 168 3 0 3 2 1 1 1 0 8 1
amappl11 160 45 0 31 1 0 1 1 0 8 0
amappl9 144 936 0 936 3 2 1 1 0 8 1
amappl8 136 382 0 377 1 0 1 1 0 8 0
amappl7 128 69 0 61 1 0 1 1 0 8 0
amappl6 120 137 0 105 1 0 1 1 0 8 0
amappl5 112 88 0 78 1 0 1 1 0 8 0
amappl4 104 632 0 609 1 0 1 1 0 8 0
amappl3 96 454 0 418 1 0 1 1 0 8 0
amappl2 88 349 0 301 3 1 2 2 0 8 0
amappl1 80 9907 0 9268 16 2 14 14 0 8 0
amappl 88 1293 0 1221 3 1 2 2 0 92 0
dma4096 4096 1 0 1 1 1 0 1 0 8 0
dma1024 1024 1 0 0 1 0 1 1 0 8 0
dma256 256 6 0 6 1 1 0 1 0 8 0
dma128 128 253 0 253 1 1 0 1 0 8 0
dma64 64 6 0 6 1 1 0 1 0 8 0
dma32 32 7 0 7 1 1 0 1 0 8 0
dma16 16 18 0 17 1 0 1 1 0 8 0
aobjpl 72 2 0 0 1 0 1 1 0 8 0
uaddrrnd 24 324 0 293 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 324 0 293 1 0 1 1 0 8 0
vmmpekpl 168 7043 0 7027 1 0 1 1 0 8 0
vmmpepl 168 29064 0 27573 70 5 65 65 0 357 0
vmsppl 368 323 0 293 3 0 3 3 0 8 0
rwobjpl 56 10556 0 8302 32 0 32 32 0 8 0
pdppl 4096 655 0 586 89 20 69 69 0 8 0
pvpl 32 135972 0 129918 56 7 49 49 0 265 0
pmappl 248 323 0 293 2 0 2 2 0 8 0
extentpl 40 56 0 38 1 0 1 1 0 8 0
phpool 112 482 0 24 14 0 14 14 0 8 0
ddb{0}> machine ddbcpu 0
Invalid cpu 0
ddb{0}> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff825e34ee) at panic+0x177 sys/kern/subr_prf.c:198
ufs_lookup() at ufs_lookup+0x174c ufs_dirbad sys/ufs/ufs/ufs_lookup.c:609 [inline]
ufs_lookup() at ufs_lookup+0x174c sys/ufs/ufs/ufs_lookup.c:444
VOP_LOOKUP(fffffd806c6a9e68,ffff8000213061f0,ffff800021306220) at VOP_LOOKUP+0x58 sys/kern/vfs_vops.c:85
vfs_lookup(ffff8000213061c0) at vfs_lookup+0x6e5 sys/kern/vfs_lookup.c:560
namei(ffff8000213061c0) at namei+0x36a sys/kern/vfs_lookup.c:244
domknodat(ffff8000ffff5cf0,ffffff9c,20000000,80002005,2d94) at domknodat+0x92 sys/kern/vfs_syscalls.c:1580
syscall(ffff8000213063c0) at syscall+0x435 mi_syscall sys/sys/syscall_mi.h:101 [inline]
syscall(ffff8000213063c0) at syscall+0x435 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffde640, count: -9
ddb{0}> machine ddbcpu 1
Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp
x86_ipi_db(ffff800020dd8ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:393
x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23
__mp_lock(ffffffff82bad4e0) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline]
__mp_lock(ffffffff82bad4e0) at __mp_lock+0x122 sys/kern/kern_lock.c:147
__mp_acquire_count(ffffffff82bad4e0,1) at __mp_acquire_count+0x48 sys/kern/kern_lock.c:227
mi_switch() at mi_switch+0x3bb sys/kern/sched_bsd.c:415
sleep_finish(ffff800021317bc0,1) at sleep_finish+0x180 sys/kern/kern_synch.c:417
tsleep(fffffd806d440008,11,ffffffff82672c46,0) at tsleep+0x12c sys/kern/kern_synch.c:155
getblk(fffffd807efb41b0,1fa7a0,4000,0,ffffffffffffffff) at getblk+0x13c sys/kern/vfs_bio.c:1028
bread(fffffd807efb41b0,1fa7a0,4000,ffff800021317e68) at bread+0x3a bio_doread sys/kern/vfs_bio.c:433 [inline]
bread(fffffd807efb41b0,1fa7a0,4000,ffff800021317e68) at bread+0x3a sys/kern/vfs_bio.c:478
ffs_update(fffffd806c68aaa0,0) at ffs_update+0x14b sys/ufs/ffs/ffs_inode.c:91
ufs_reclaim(fffffd806c567b10) at ufs_reclaim+0xb9 sys/ufs/ufs/ufs_inode.c:152
ffs_reclaim(ffff800021317f68) at ffs_reclaim+0x36 sys/ufs/ffs/ffs_vnops.c:533
VOP_RECLAIM(fffffd806c567b10,ffff8000212b02a8) at VOP_RECLAIM+0x61 sys/kern/vfs_vops.c:503
end trace frame: 0xffff800021318000, count: 0
ddb{1}> trace
x86_ipi_db(ffff800020dd8ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:393
x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23
__mp_lock(ffffffff82bad4e0) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline]
__mp_lock(ffffffff82bad4e0) at __mp_lock+0x122 sys/kern/kern_lock.c:147
__mp_acquire_count(ffffffff82bad4e0,1) at __mp_acquire_count+0x48 sys/kern/kern_lock.c:227
mi_switch() at mi_switch+0x3bb sys/kern/sched_bsd.c:415
sleep_finish(ffff800021317bc0,1) at sleep_finish+0x180 sys/kern/kern_synch.c:417
tsleep(fffffd806d440008,11,ffffffff82672c46,0) at tsleep+0x12c sys/kern/kern_synch.c:155
getblk(fffffd807efb41b0,1fa7a0,4000,0,ffffffffffffffff) at getblk+0x13c sys/kern/vfs_bio.c:1028
bread(fffffd807efb41b0,1fa7a0,4000,ffff800021317e68) at bread+0x3a bio_doread sys/kern/vfs_bio.c:433 [inline]
bread(fffffd807efb41b0,1fa7a0,4000,ffff800021317e68) at bread+0x3a sys/kern/vfs_bio.c:478
ffs_update(fffffd806c68aaa0,0) at ffs_update+0x14b sys/ufs/ffs/ffs_inode.c:91
ufs_reclaim(fffffd806c567b10) at ufs_reclaim+0xb9 sys/ufs/ufs/ufs_inode.c:152
ffs_reclaim(ffff800021317f68) at ffs_reclaim+0x36 sys/ufs/ffs/ffs_vnops.c:533
VOP_RECLAIM(fffffd806c567b10,ffff8000212b02a8) at VOP_RECLAIM+0x61 sys/kern/vfs_vops.c:503
vclean(fffffd806c567b10,8,ffff8000212b02a8) at vclean+0x220 sys/kern/vfs_subr.c:1085
vgonel(fffffd806c567b10,ffff8000212b02a8) at vgonel+0x79 sys/kern/vfs_subr.c:1175
ufs_mknod(ffff8000213180c0) at ufs_mknod+0x11b sys/ufs/ufs/ufs_vnops.c:192
VOP_MKNOD(fffffd806c6a9298,ffff800021318220,ffff800021318250,ffff800021318150) at VOP_MKNOD+0xbf sys/kern/vfs_vops.c:121
domknodat(ffff8000212b02a8,ffffff9c,20000000,80002005,2d94) at domknodat+0x326 sys/kern/vfs_syscalls.c:1628
syscall(ffff8000213183f0) at syscall+0x435 mi_syscall sys/sys/syscall_mi.h:101 [inline]
syscall(ffff8000213183f0) at syscall+0x435 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffde640, count: -21
ddb{1}>