uvm_fault(0xfffffd806ec8da58, 0x0, 0, 1) -> e
kernel: page fault trap, code=0
Stopped at VOP_LOCK+0x84: movq 0(%rax),%r14
TID PID UID PRFLAGS PFLAGS CPU COMMAND
* 22376 55949 0 0x8000000 0x4000000 0K syz-executor
VOP_LOCK(fffffd806909e1d8,1) at VOP_LOCK+0x84 sys/kern/vfs_vops.c:521
vn_lock(fffffd806909e1d8,1) at vn_lock+0xa4 sys/kern/vfs_vnops.c:564
vget(fffffd806909e1d8,1) at vget+0x2bd sys/kern/vfs_subr.c:696
ufs_ihashget(400,1443e) at ufs_ihashget+0x171 sys/ufs/ufs/ufs_ihash.c:95
ffs_vget(ffff800000a66c00,1443e,ffff8000371f5648) at ffs_vget+0x8c sys/ufs/ffs/ffs_vfsops.c:1201
ufs_lookup() at ufs_lookup+0x16bc sys/ufs/ufs/ufs_lookup.c:573
VOP_LOOKUP(fffffd807ec0c510,ffff8000371f5a20,ffff8000371f5a50) at VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85
vfs_lookup(ffff8000371f59f0) at vfs_lookup+0x8fa sys/kern/vfs_lookup.c:566
namei(ffff8000371f59f0) at namei+0x7aa sys/kern/vfs_lookup.c:250
ptmioctl(5100,40287401,ffff8000371f5d10,3,ffff8000371e9c08) at ptmioctl+0x4cb sys/kern/tty_pty.c:1143
VOP_IOCTL(fffffd806ddea7a0,40287401,ffff8000371f5d10,3,fffffd807f7d32d8,ffff8000371e9c08) at VOP_IOCTL+0xac sys/kern/vfs_vops.c:264
vn_ioctl(fffffd8076fdcdb0,40287401,ffff8000371f5d10,ffff8000371e9c08) at vn_ioctl+0xf6 sys/kern/vfs_vnops.c:525
sys_ioctl(ffff8000371e9c08,ffff8000371f5ef0,ffff8000371f5e40) at sys_ioctl+0x67c
syscall(ffff8000371f5ef0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline]
syscall(ffff8000371f5ef0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577
end trace frame: 0xffff8000371f5f70, count: 0
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: uvm_fault(0xfffffd806ec8da58, 0x0, 0, 1) -> e
ddb{0}> trace
VOP_LOCK(fffffd806909e1d8,1) at VOP_LOCK+0x84 sys/kern/vfs_vops.c:521
vn_lock(fffffd806909e1d8,1) at vn_lock+0xa4 sys/kern/vfs_vnops.c:564
vget(fffffd806909e1d8,1) at vget+0x2bd sys/kern/vfs_subr.c:696
ufs_ihashget(400,1443e) at ufs_ihashget+0x171 sys/ufs/ufs/ufs_ihash.c:95
ffs_vget(ffff800000a66c00,1443e,ffff8000371f5648) at ffs_vget+0x8c sys/ufs/ffs/ffs_vfsops.c:1201
ufs_lookup() at ufs_lookup+0x16bc sys/ufs/ufs/ufs_lookup.c:573
VOP_LOOKUP(fffffd807ec0c510,ffff8000371f5a20,ffff8000371f5a50) at VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85
vfs_lookup(ffff8000371f59f0) at vfs_lookup+0x8fa sys/kern/vfs_lookup.c:566
namei(ffff8000371f59f0) at namei+0x7aa sys/kern/vfs_lookup.c:250
ptmioctl(5100,40287401,ffff8000371f5d10,3,ffff8000371e9c08) at ptmioctl+0x4cb sys/kern/tty_pty.c:1143
VOP_IOCTL(fffffd806ddea7a0,40287401,ffff8000371f5d10,3,fffffd807f7d32d8,ffff8000371e9c08) at VOP_IOCTL+0xac sys/kern/vfs_vops.c:264
vn_ioctl(fffffd8076fdcdb0,40287401,ffff8000371f5d10,ffff8000371e9c08) at vn_ioctl+0xf6 sys/kern/vfs_vnops.c:525
sys_ioctl(ffff8000371e9c08,ffff8000371f5ef0,ffff8000371f5e40) at sys_ioctl+0x67c
syscall(ffff8000371f5ef0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline]
syscall(ffff8000371f5ef0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x67a5b26b280, count: -15
ddb{0}> show registers
rdi 0
rsi 0
rbp 0xffff8000371f53e0
rbx 0xffffffff8341fff0 cpu_info_full_primary+0x1ff0
rdx 0xffff8000011a3ac0
rcx 0xffff8000371e9c08
rax 0
r8 0x30
r9 0
r10 0xdf0e46c98c438874
r11 0x892eda7237978140
r12 0
r13 0
r14 0xfffffd806909e1d8
r15 0
rip 0xffffffff8284c7e4 VOP_LOCK+0x84
cs 0x8
rflags 0x10203 __ALIGN_SIZE+0xf203
rsp 0xffff8000371f5390
ss 0x10
VOP_LOCK+0x84: movq 0(%rax),%r14
ddb{0}> show proc
PROC (syz-executor) tid=22376 pid=55949 tcnt=2 stat=onproc
flags process=8000000 proc=4000000<THREAD>
runpri=32, usrpri=50, slppri=32, nice=20
wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0
forw=0xffffffffffffffff, list=0xffff8000371e8f60,0xffffffff8356b490
process=0xffff80002d573a98 user=0xffff8000371f0000, vmspace=0xfffffd806ec8da58
estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0
ddb{0}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
55949 495664 55360 0 2 0x8000000 syz-executor
*55949 22376 55360 0 7 0xc000000 syz-executor
50523 43590 98739 0 2 0x8000000 syz-executor
50523 361308 98739 0 3 0xc000080 ttyout syz-executor
50523 122661 98739 0 3 0xc000080 ttyout syz-executor
57577 427739 98274 0 2 0x8000000 syz-executor
57577 385774 98274 0 3 0xc000080 fsleep syz-executor
88303 312315 40266 0 2 0x8000000 syz-executor
88303 173988 40266 0 3 0xc000080 fsleep syz-executor
88303 468197 40266 0 3 0xc000080 ttyout syz-executor
88303 10247 40266 0 3 0xc000080 fsleep syz-executor
93340 374790 50698 0 2 0x8000000 syz-executor
93340 225033 50698 0 3 0xc000080 fsleep syz-executor
10997 65784 64907 0 2 0x8000000 syz-executor
10997 211434 64907 0 3 0xc000080 sbwait syz-executor
10997 138724 64907 0 3 0xc000080 fsleep syz-executor
68483 12408 40356 0 3 0x8000080 nanoslp syz-executor
68483 421831 40356 0 3 0xc000080 ttyin syz-executor
23430 120423 43337 0 2 0x8000002 syz-executor
98739 125258 43337 0 3 0x8000082 nanoslp syz-executor
64907 257074 43337 0 3 0x8000082 nanoslp syz-executor
40266 553 43337 0 3 0x8000082 nanoslp syz-executor
98274 105602 43337 0 3 0x8000082 nanoslp syz-executor
40356 434904 43337 0 3 0x8000082 nanoslp syz-executor
50698 301060 43337 0 3 0x8000082 nanoslp syz-executor
55360 89734 43337 0 3 0x8000082 nanoslp syz-executor
36180 330938 1 0 3 0x18100083 ttyin getty
30020 466882 0 0 3 0x14200 bored sosplice
43337 66349 93491 0 3 0x8000082 kqread syz-executor
93491 177290 2461 0 3 0x810008a sigsusp ksh
2461 24336 612 0 3 0x18000098 kqread sshd-session
612 60558 70694 0 3 0x18000092 kqread sshd-session
70694 25989 1 0 3 0x18000088 kqread sshd
42103 59804 19864 74 3 0x19100092 bpf pflogd
19864 169634 1 0 3 0x18000080 sbwait pflogd
42787 431499 84827 73 2 0x19100010 syslogd
84827 276914 1 0 3 0x18100082 sbwait syslogd
38062 20420 1 0 3 0x18100080 kqread resolvd
80707 265973 1520 77 3 0x18100092 kqread dhcpleased
58243 522909 1520 77 3 0x18100092 kqread dhcpleased
1520 23842 1 0 3 0x18000080 kqread dhcpleased
36565 260282 0 0 3 0x14200 bored smr
86224 334518 0 0 2 0x14200 zerothread
14289 340360 0 0 3 0x14200 aiodoned aiodoned
2307 482789 0 0 3 0x14200 syncer update
52752 78753 0 0 3 0x14200 cleaner cleaner
89916 192761 0 0 3 0x14200 reaper reaper
16177 223174 0 0 3 0x14200 pgdaemon pagedaemon
57994 20611 0 0 3 0x14200 bored viomb
46088 260872 0 0 3 0x40014200 acpi0 acpi0
10010 465942 0 0 7 0x40014200 idle1
65020 221065 0 0 3 0x14200 bored softnet3
25814 287867 0 0 3 0x14200 bored softnet2
96308 1120 0 0 3 0x14200 bored softnet1
92534 391769 0 0 3 0x14200 bored softnet0
16694 396057 0 0 3 0x14200 bored systqmp
35305 402611 0 0 3 0x14200 bored systq
97222 233306 0 0 3 0x14200 tmoslp softclockmp
28414 423255 0 0 3 0x40014200 tmoslp softclock
8714 99673 0 0 3 0x40014200 idle0
1 288566 0 0 3 0x8080082 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{0}> show all locks
Process 55949 (syz-executor) thread 0xffff8000371e9c08 (22376)
exclusive rrwlock inode r = 0 (0xfffffd807e55fa28)
#0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151
#1 rw_enter+0x41b sys/kern/kern_rwlock.c:309
#2 rrw_enter+0xbe sys/kern/kern_rwlock.c:464
#3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524
#4 vn_lock+0xa4 sys/kern/vfs_vnops.c:564
#5 vget+0x2bd sys/kern/vfs_subr.c:696
#6 cache_lookup+0x36e sys/kern/vfs_cache.c:222
#7 ufs_lookup+0x218 sys/ufs/ufs/ufs_lookup.c:160
#8 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85
#9 vfs_lookup+0x8fa sys/kern/vfs_lookup.c:566
#10 namei+0x7aa sys/kern/vfs_lookup.c:250
#11 ptmioctl+0x4cb sys/kern/tty_pty.c:1143
#12 VOP_IOCTL+0xac sys/kern/vfs_vops.c:264
#13 vn_ioctl+0xf6 sys/kern/vfs_vnops.c:525
#14 sys_ioctl+0x67c
#15 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline]
#15 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577
#16 Xsyscall+0x128
exclusive kernel_lock &kernel_lock r = 0 (0xffffffff8356b120)
#0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151
#1 vn_ioctl+0x4d sys/kern/vfs_vnops.c:508
#2 sys_ioctl+0x67c
#3 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline]
#3 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577
#4 Xsyscall+0x128
Process 42787 (syslogd) thread 0xffff8000ffffdbe8 (431499)
exclusive rrwlock inode r = 0 (0xfffffd806e4910a0)
#0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151
#1 rw_enter+0x41b sys/kern/kern_rwlock.c:309
#2 rrw_enter+0xbe sys/kern/kern_rwlock.c:464
#3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524
#4 vn_lock+0xa4 sys/kern/vfs_vnops.c:564
#5 sys_fsync+0x152 sys/kern/vfs_syscalls.c:2927
#6 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline]
#6 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577
#7 Xsyscall+0x128
ddb{0}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 10210 10244K 10717K 166960K 15874 0
pcb 21 18K 21K 166960K 799 0
rtable 209 15K 16K 166960K 4674 0
pf 38 10K 14K 166960K 426 0
ifaddr 45 17K 17K 166960K 632 0
ifgroup 63 2K 2K 166960K 729 0
sysctl 3 0K 1K 166960K 8 0
counters 68 36K 37K 166960K 416 0
ioctlops 0 0K 4K 166960K 1903 0
iov 0 0K 24K 166960K 310 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1491 94K 94K 166960K 5665 0
UFS quota 1 32K 32K 166960K 1 0
UFS mount 5 36K 36K 166960K 5 0
shm 2 1K 13K 166960K 60 0
VM map 2 1K 1K 166960K 2 0
sem 12 0K 0K 166960K 298 0
dirhash 15 2K 3K 166960K 54 0
ACPI 1697 195K 286K 166960K 12548 0
file desc 17 61K 93K 166960K 4232 0
sigio 0 0K 0K 166960K 248 0
proc 71 91K 128K 166960K 4388 0
subproc 104 6K 6K 166960K 1794 0
NFS srvsock 1 0K 0K 166960K 1 0
NFS daemon 1 16K 16K 166960K 1 0
ip_moptions 2 0K 0K 166960K 666 0
in_multi 90 6K 7K 166960K 1603 0
ether_multi 1 0K 0K 166960K 22 0
mrt 1 0K 0K 166960K 8 0
ISOFS mount 1 32K 32K 166960K 1 0
MSDOSFS mount 1 16K 16K 166960K 1 0
ttys 109 493K 493K 166960K 109 0
exec 0 0K 1K 166960K 2557 0
pfkey data 0 0K 0K 166960K 70 0
tdb 3 0K 0K 166960K 3 0
VM swap 8 62K 64K 166960K 10 0
UVM amap 242 73K 94K 166960K 33773 0
UVM aobj 131 12K 12K 166960K 137 0
pinsyscall 42 84K 106K 166960K 8693 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
ip6_options 0 0K 1K 166960K 170 0
NDP 16 0K 2K 166960K 467 0
temp 77 6816K 14752K 166960K 194652 0
kqueue 13 20K 31K 166960K 398 0
SYN cache 2 8K 16K 166960K 3 0
ddb{0}> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
plcache 128 24 0 0 1 0 1 1 0 8 0
rtpcb 120 604 0 601 2 1 1 2 0 8 0
rtentry 112 1641 0 1550 6 3 3 4 0 8 0
unpcb 144 2510 0 2487 19 17 2 4 0 8 1
syncache 336 9 0 9 5 5 0 1 0 8 0
tcpqe 32 3 0 3 2 2 0 1 0 8 0
tcpcb 808 1378 0 1373 54 53 1 8 0 8 0
arp 120 304 0 286 1 0 1 1 0 8 0
inpcb 336 5333 0 5320 81 79 2 15 0 8 0
nd6 136 441 0 419 2 1 1 2 0 8 0
pkpcb 40 85 0 85 7 7 0 1 0 8 0
kcovpl 48 138 0 130 1 0 1 1 0 8 0
ppxss 1168 24 0 24 8 8 0 1 0 8 0
pfstscr 40 2 0 2 1 1 0 1 0 8 0
pffrag 232 26 0 22 2 1 1 1 0 482 0
pffrnode 88 26 0 22 2 1 1 1 0 8 0
pffrent 40 166 0 162 2 1 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
pfrktable 1344 1 0 0 1 0 1 1 0 8 0
pfanchor 1288 1 0 0 1 0 1 1 0 8 0
pftag 88 5 0 0 1 0 1 1 0 8 0
pfstitem 24 328 0 285 1 0 1 1 0 8 0
pfstkey 128 332 0 289 3 0 3 3 0 8 0
pfstate 376 330 0 287 10 4 6 8 0 8 0
pfrule 1344 29 0 21 2 1 1 2 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 6496 0 6085 51 25 26 30 0 8 0
art_table 32 6497 0 6085 4 0 4 4 0 8 0
art_node 16 1637 0 1555 1 0 1 1 0 8 0
sysvmsgpl 40 8 0 4 1 0 1 1 0 8 0
semupl 112 1 0 1 1 1 0 1 0 8 0
semapl 112 295 0 285 1 0 1 1 0 8 0
shmpl 112 134 0 6 4 0 4 4 0 8 0
dirhash 1024 46 0 26 3 0 3 3 0 8 0
dino2pl 256 6201 0 4438 111 0 111 111 0 8 0
ffsino 272 6201 0 4438 118 0 118 118 0 8 0
nchpl 144 9985 0 9228 70 37 33 70 0 8 0
uvmvnodes 80 7832 0 0 160 0 160 160 0 8 0
vnodes 216 7832 0 0 436 0 436 436 0 8 0
vnodes: pool(0xffffffff83563da8:vnodes): page inconsistency: page 0x0; at page head addr 0xfffffd806909ef90 (p 0xfffffd806909e000)
namei 1024 51386 0 51385 13 12 1 2 0 8 0
percpumem 16 222 0 174 1 0 1 1 0 8 0
vcpupl 3904 5 0 2 2 1 1 1 0 8 0
vmpool 696 17 0 14 2 1 1 1 0 8 0
kstatmem 264 376 0 348 4 2 2 3 0 8 0
scsiplug 72 6 0 6 3 3 0 1 0 8 0
scxspl 216 81647 0 81647 12 10 2 8 1 8 2
plimitpl 152 997 0 976 1 0 1 1 0 8 0
sigapl 424 4275 0 4225 16 10 6 7 0 8 0
futexpl 64 46955 0 46950 14 13 1 1 0 8 0
knotepl 120 1012 0 0 26 1 25 25 0 8 0
kqueuepl 216 1273 0 1263 23 22 1 5 0 8 0
pipepl 320 896 0 869 12 9 3 8 0 8 0
fdescpl 496 4255 0 4224 7 2 5 5 0 8 0
filepl 152 30345 0 30070 67 54 13 22 0 8 1
lockfpl 104 1295 0 1291 3 2 1 2 0 8 0
lockfspl 48 434 0 430 1 0 1 1 0 8 0
sessionpl 144 155 0 146 1 0 1 1 0 8 0
pgrppl 48 396 0 379 1 0 1 1 0 8 0
ucredpl 104 4796 0 4783 1 0 1 1 0 8 0
zombiepl 144 4225 0 4225 2 1 1 1 0 8 1
processpl 1152 4275 0 4225 5 1 4 5 0 8 0
procpl 648 7969 0 7908 9 3 6 7 0 8 0
srpgc 96 20 0 20 8 8 0 1 0 8 0
sosppl 168 17 0 17 7 7 0 1 0 8 0
sockpl 664 8567 0 8528 86 82 4 20 0 8 0
mcl64k 65536 6 0 0 1 0 1 1 0 8 0
mcl16k 16384 4 0 0 1 0 1 1 0 8 0
mcl12k 12288 2 0 0 1 0 1 1 0 8 0
mcl9k 9216 1 0 0 1 0 1 1 0 8 0
mcl8k 8192 5 0 0 1 0 1 1 0 8 0
mcl4k 4096 6 0 0 1 0 1 1 0 8 0
mcl2k2 2112 1 0 0 1 0 1 1 0 8 0
mcl2k 2048 298 0 0 29 1 28 29 0 8 0
mtagpl 96 45 0 0 2 0 2 2 0 8 0
mbufpl 256 642 0 0 35 1 34 34 0 8 0
bufpl 280 13188 0 5401 560 0 560 560 0 8 0
anonpl 24 535318 0 531603 143 90 53 76 0 185 15
amapchunkpl 152 106875 0 106364 94 63 31 44 0 158 10
amappl16 200 8437 0 8415 65 62 3 25 0 8 1
amappl15 192 13 0 13 1 1 0 1 0 8 0
amappl14 184 376 0 364 1 0 1 1 0 8 0
amappl13 176 9 0 9 1 1 0 1 0 8 0
amappl12 168 6966 0 6935 4 2 2 3 0 8 0
amappl11 160 60 0 46 1 0 1 1 0 8 0
amappl10 152 6 0 6 1 1 0 1 0 8 0
amappl9 144 138 0 138 1 1 0 1 0 8 0
amappl8 136 44 0 41 1 0 1 1 0 8 0
amappl7 128 373 0 361 1 0 1 1 0 8 0
amappl6 120 1469 0 1467 1 0 1 1 0 8 0
amappl5 112 662 0 649 1 0 1 1 0 8 0
amappl4 104 718 0 697 1 0 1 1 0 8 0
amappl3 96 21053 0 20933 4 0 4 4 0 8 0
amappl2 88 2475 0 2407 2 0 2 2 0 8 0
amappl1 80 28025 0 27437 16 2 14 15 0 8 0
amappl 88 32244 0 32067 6 1 5 5 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 8 0 8 3 3 0 1 0 8 0
dma128 128 253 0 253 1 1 0 1 0 8 0
dma64 64 7 0 7 2 2 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 72 136 0 6 3 0 3 3 0 8 0
uaddrrnd 24 4272 0 4238 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 4272 0 4238 1 0 1 1 0 8 0
vmmpekpl 168 34875 0 34822 4 1 3 4 0 8 0
vmmpepl 168 260554 0 258653 150 63 87 104 0 357 0
vmsppl 440 4271 0 4238 6 2 4 5 0 8 0
rwobjpl 56 77788 0 68867 131 3 128 129 0 8 0
pdppl 4096 8551 0 8479 304 229 75 85 0 8 3
pvpl 32 32827 0 0 264 0 264 264 0 265 0
pmappl 248 4271 0 4238 3 0 3 3 0 8 0
extentpl 40 56 0 38 1 0 1 1 0 8 0
phpool 112 822 0 417 13 0 13 13 0 8 0
ddb{0}> machine ddbcpu 0
Invalid cpu 0
ddb{0}> trace
VOP_LOCK(fffffd806909e1d8,1) at VOP_LOCK+0x84 sys/kern/vfs_vops.c:521
vn_lock(fffffd806909e1d8,1) at vn_lock+0xa4 sys/kern/vfs_vnops.c:564
vget(fffffd806909e1d8,1) at vget+0x2bd sys/kern/vfs_subr.c:696
ufs_ihashget(400,1443e) at ufs_ihashget+0x171 sys/ufs/ufs/ufs_ihash.c:95
ffs_vget(ffff800000a66c00,1443e,ffff8000371f5648) at ffs_vget+0x8c sys/ufs/ffs/ffs_vfsops.c:1201
ufs_lookup() at ufs_lookup+0x16bc sys/ufs/ufs/ufs_lookup.c:573
VOP_LOOKUP(fffffd807ec0c510,ffff8000371f5a20,ffff8000371f5a50) at VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85
vfs_lookup(ffff8000371f59f0) at vfs_lookup+0x8fa sys/kern/vfs_lookup.c:566
namei(ffff8000371f59f0) at namei+0x7aa sys/kern/vfs_lookup.c:250
ptmioctl(5100,40287401,ffff8000371f5d10,3,ffff8000371e9c08) at ptmioctl+0x4cb sys/kern/tty_pty.c:1143
VOP_IOCTL(fffffd806ddea7a0,40287401,ffff8000371f5d10,3,fffffd807f7d32d8,ffff8000371e9c08) at VOP_IOCTL+0xac sys/kern/vfs_vops.c:264
vn_ioctl(fffffd8076fdcdb0,40287401,ffff8000371f5d10,ffff8000371e9c08) at vn_ioctl+0xf6 sys/kern/vfs_vnops.c:525
sys_ioctl(ffff8000371e9c08,ffff8000371f5ef0,ffff8000371f5e40) at sys_ioctl+0x67c
syscall(ffff8000371f5ef0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline]
syscall(ffff8000371f5ef0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x67a5b26b280, count: -15
ddb{0}> machine ddbcpu 1
Stopped at x86_ipi_db+0x27: addq $0x8,%rsp
x86_ipi_db(ffff800029b7bff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:393
x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27
acpicpu_idle() at acpicpu_idle+0x41e sys/dev/acpi/acpicpu.c:1208
sched_idle(ffff800029b7bff0) at sched_idle+0x558 sys/kern/kern_sched.c:182
end trace frame: 0x0, count: 10
ddb{1}> trace
x86_ipi_db(ffff800029b7bff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:393
x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27
acpicpu_idle() at acpicpu_idle+0x41e sys/dev/acpi/acpicpu.c:1208
sched_idle(ffff800029b7bff0) at sched_idle+0x558 sys/kern/kern_sched.c:182
end trace frame: 0x0, count: -5