witness: lock order reversal:
1st 0xffffffff839b4438 pf_lock (pf_lock)
2nd 0xffffffff83997510 netlock (netlock)
lock order [1] pf_lock (pf_lock) -> [2] netlock (netlock)
#0 rw_do_enter_write+0xba sys/kern/kern_rwlock.c:234
#1 uvn_io+0x54c sys/uvm/uvm_vnode.c:1243
#2 uvn_get+0x31d sys/uvm/uvm_vnode.c:1075
#3 uvm_fault_lower_io+0x2ce sys/uvm/uvm_fault.c:1612
#4 uvm_fault_lower+0x28d sys/uvm/uvm_fault.c:1381
#5 uvm_fault+0x274 sys/uvm/uvm_fault.c:-1
#6 kpageflttrap+0x2f4 sys/arch/amd64/amd64/trap.c:285
#7 kerntrap+0x19d sys/arch/amd64/amd64/trap.c:532
#8 alltraps_kern_meltdown+0x7b
#9 _copyin+0x5b
#10 pfioctl+0x13ff sys/net/pf_ioctl.c:3241
#11 VOP_IOCTL+0xac sys/kern/vfs_vops.c:264
#12 vn_ioctl+0xf8 sys/kern/vfs_vnops.c:537
#13 sys_ioctl+0x674 sys/kern/sys_generic.c:-1
#14 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#14 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:791
#15 Xsyscall+0x128
lock order [2] netlock (netlock) -> [1] pf_lock (pf_lock)
#0 rw_do_enter_write+0xba sys/kern/kern_rwlock.c:234
#1 pfi_attach_ifgroup+0x2a sys/net/pf_if.c:357
#2 if_addgroup+0x2f8 if_creategroup sys/net/if.c:3059 [inline]
#2 if_addgroup+0x2f8 sys/net/if.c:3097
#3 if_attachsetup+0xcf sys/net/if.c:512
#4 if_attach+0x6d sys/net/if.c:604
#5 vio_attach+0x1853 sys/dev/pv/if_vio.c:935
#6 config_attach+0x449 sys/kern/subr_autoconf.c:421
#7 virtio_pci_attach+0x52c sys/dev/pci/virtio_pci.c:675
#8 config_attach+0x449 sys/kern/subr_autoconf.c:421
#9 pci_probe_device+0x8e5 sys/dev/pci/pci.c:574
#10 pci_enumerate_bus+0x368 sys/dev/pci/pci.c:877
#11 config_attach+0x449 sys/kern/subr_autoconf.c:421
#12 acpipci_attach_bus+0x381 sys/arch/amd64/pci/acpipci.c:257
#13 acpipci_attach_busses+0x93 sys/arch/amd64/pci/acpipci.c:265
#14 mainbus_attach+0x304 sys/arch/amd64/amd64/mainbus.c:222
#15 config_attach+0x449 sys/kern/subr_autoconf.c:421
#16 cpu_configure+0x47 sys/arch/amd64/amd64/autoconf.c:124
#17 main+0x4c7 sys/kern/init_main.c:345
Stopped at db_enter+0x25: addq $0x8,%rsp
ddb{1}>
ddb{1}> set $lines = 0
ddb{1}> set $maxwidth = 0
ddb{1}> show panic
the kernel did not panic
ddb{1}> show kasan
No such command
ddb{1}> trace
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
witness_checkorder(ffffffff83997510,9,0) at witness_checkorder+0x10d1 sys/kern/subr_witness.c:-1
rw_do_enter_write(ffffffff839974f8,0) at rw_do_enter_write+0xba sys/kern/kern_rwlock.c:234
uvn_io(fffff6006cce57e0,ffff800037fde378,1,202,0) at uvn_io+0x54c sys/uvm/uvm_vnode.c:1243
uvn_get(fffff6006cce57e0,1000,ffff800037fde448,ffff800037fde42c,0,1,b11882a69f787563,1) at uvn_get+0x31d sys/uvm/uvm_vnode.c:1075
uvm_fault_lower_io(ffff800037fde660,ffff800037fde698,ffff800037fde4e0,ffff800037fde4c8) at uvm_fault_lower_io+0x2ce sys/uvm/uvm_fault.c:1612
uvm_fault_lower(ffff800037fde660,ffff800037fde698,ffff800037fde5e0) at uvm_fault_lower+0x28d sys/uvm/uvm_fault.c:1381
uvm_fault(fffff6006c9853f0,200000001000,0,1) at uvm_fault+0x274 sys/uvm/uvm_fault.c:-1
kpageflttrap(ffff800037fde810,200000001200) at kpageflttrap+0x2f4 sys/arch/amd64/amd64/trap.c:285
kerntrap(ffff800037fde810) at kerntrap+0x19d sys/arch/amd64/amd64/trap.c:532
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
_copyin() at _copyin+0x5b
pfioctl(14900,c4504441,ffff800001615000,1,ffff80003c3b8020) at pfioctl+0x13ff sys/net/pf_ioctl.c:3241
VOP_IOCTL(fffff6000dcab288,c4504441,ffff800001615000,1,fffff600097fd7b8,ffff80003c3b8020) at VOP_IOCTL+0xac sys/kern/vfs_vops.c:264
vn_ioctl(fffff6006cc52cc8,c4504441,ffff800001615000,ffff80003c3b8020) at vn_ioctl+0xf8 sys/kern/vfs_vnops.c:537
sys_ioctl(ffff80003c3b8020,ffff800037fdf3c0,ffff800037fdf310) at sys_ioctl+0x674 sys/kern/sys_generic.c:-1
syscall(ffff800037fdf3c0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff800037fdf3c0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:791
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x50062f681d0, count: -18
ddb{1}> show registers
rdi 0
rsi 0
rbp 0xffff800037fde130
rbx 0
rdx 0
rcx 0xffff80003c3b8020
rax 0xffff80002999dff0
r8 0xffff800037fde010
r9 0x8080808080808080
r10 0x803c017d50dda4a3
r11 0x8d358e78e3bcfe6
r12 0xfffff600040c22c0
r13 0xfffff600048b0cf0
r14 0x3
r15 0xffffffff8352e37b substchar+0xe488
rip 0xffffffff8148ba85 db_enter+0x25
cs 0x8
rflags 0x246
rsp 0xffff800037fde120
ss 0x10
db_enter+0x25: addq $0x8,%rsp
ddb{1}> show proc
PROC (syz-executor) tid=471100 pid=13573 tcnt=3 stat=onproc
flags process=0 proc=4000000<THREAD>
runpri=50, usrpri=50, slppri=32, nice=20
wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0
forw=0xffffffffffffffff, list=0xffff80003c3b94e0,0xffff80003c3b87f8
process=0xffff80002a37e698 user=0xffff800037fda000, vmspace=0xfffff6006c9853f0
estcpu=36, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0
ddb{1}> ps
PID TID PPID UID S PRLAGS PFLAGS WAIT COMMAND
29925 326266 66075 0 2 0 0x1 syz-executor
29925 376034 66075 0 3 0 0x4000080 fsleep syz-executor
11368 452702 62052 0 7 0 0x1 syz-executor
11368 247589 62052 0 3 0 0x4000080 fsleep syz-executor
11368 448427 62052 0 3 0 0x4000080 fsleep syz-executor
13573 309224 49556 0 2 0 0 syz-executor
*13573 471100 49556 0 7 0 0x4000000 syz-executor
13573 205913 49556 0 3 0 0x4000080 fsleep syz-executor
30105 59998 98892 0 2 0 0x1 syz-executor
30105 345705 98892 0 3 0 0x4000080 sbwait syz-executor
26690 196412 74766 0 2 0 0 syz-executor
26690 35187 74766 0 3 0 0x4000080 fsleep syz-executor
26690 35301 74766 0 3 0 0x4000080 fsleep syz-executor
76746 207686 31426 0 3 0 0x80 nanoslp syz-executor
76746 454716 31426 0 3 0 0x4000080 ttyin syz-executor
61710 233050 90199 0 2 0x1 0x1 syz-executor
61710 348843 90199 0 3 0x1 0x4000080 fsleep syz-executor
2856 383518 0 0 3 0x14000 0x200 acct acct
66450 30517 37531 0 3 0x1 0x80 nanoslp syz-executor
66450 517778 37531 0 3 0x1 0x4000080 ttyin syz-executor
66450 439350 37531 0 3 0x1 0x4000080 fsleep syz-executor
66075 280018 24665 0 3 0x2 0x80 nanoslp syz-executor
49556 438894 24665 0 3 0x2 0x80 nanoslp syz-executor
98892 376229 24665 0 3 0x2 0x80 nanoslp syz-executor
31426 88201 24665 0 3 0x2 0x80 nanoslp syz-executor
74766 501759 24665 0 3 0x2 0x80 nanoslp syz-executor
62052 91136 24665 0 3 0x2 0x80 nanoslp syz-executor
37531 384816 24665 0 2 0x2 0 syz-executor
90199 147079 24665 0 3 0x2 0x80 nanoslp syz-executor
24665 431832 49663 0 3 0x2 0x80 kqread syz-executor
49663 400138 19845 0 3 0x100002 0x88 sigsusp ksh
19845 333554 91622 0 3 0x10 0x88 kqread sshd-session
91622 197641 83115 0 3 0x12 0x80 kqread sshd-session
36102 335619 1 0 3 0x100003 0x80 ttyin getty
83115 291097 1 0 3 0 0x88 kqread sshd
55143 155357 31272 74 3 0x1100012 0x80 bpf pflogd
31272 402467 1 0 3 0 0x80 sbwait pflogd
56516 93011 14112 73 3 0x1100010 0x80 kqread syslogd
14112 485717 1 0 3 0x100002 0x80 sbwait syslogd
2515 39801 1 0 3 0x100000 0x80 kqread resolvd
42001 313110 14193 77 3 0x100012 0x80 kqread dhcpleased
14949 107954 14193 77 3 0x100012 0x80 kqread dhcpleased
14193 53976 1 0 3 0 0x80 kqread dhcpleased
5911 389687 0 0 3 0x14000 0x200 bored smr
57402 523499 0 0 2 0x14000 0x200 zerothread
17000 44129 0 0 3 0x14000 0x200 aiodoned aiodoned
57362 44355 0 0 3 0x14000 0x200 syncer update
72179 239734 0 0 3 0x14000 0x200 cleaner cleaner
8915 267210 0 0 3 0x14000 0x200 reaper reaper
84972 225645 0 0 3 0x14000 0x200 pgdaemon pagedaemon
35321 472444 0 0 3 0x14000 0x200 bored viomb
77896 490048 0 0 3 0x14000 0x40000200 acpi0 acpi0
64715 250316 0 0 3 0x14000 0x40000200 idle1
58850 169589 0 0 3 0x14000 0x200 bored softnet1
51208 300388 0 0 2 0x14000 0x200 softnet0
10031 319500 0 0 3 0x14000 0x200 bored systqmp
73237 436625 0 0 3 0x14000 0x200 bored systq
43866 141676 0 0 3 0x14000 0x200 tmoslp softclockmp
56439 402538 0 0 3 0x14000 0x40000200 tmoslp softclock
58791 309602 0 0 3 0x14000 0x40000200 idle0
1 94337 0 0 3 0x2 0x80 wait init
0 0 -1 0 3 0x10000 0x200 scheduler swapper
ddb{1}> show all locks
Process 13573 (syz-executor) thread 0xffff80003c3b8020 (471100)
exclusive rwlock pf_lock r = 0 (0xffffffff839b4438)
#0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320
#2 pfioctl+0x13ca sys/net/pf_ioctl.c:3241
#3 VOP_IOCTL+0xac sys/kern/vfs_vops.c:264
#4 vn_ioctl+0xf8 sys/kern/vfs_vnops.c:537
#5 sys_ioctl+0x674 sys/kern/sys_generic.c:-1
#6 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#6 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:791
#7 Xsyscall+0x128
exclusive rwlock pfioctl_rw r = 0 (0xffffffff839b44c8)
#0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320
#2 pfioctl+0x1d4 sys/net/pf_ioctl.c:2075
#3 VOP_IOCTL+0xac sys/kern/vfs_vops.c:264
#4 vn_ioctl+0xf8 sys/kern/vfs_vnops.c:537
#5 sys_ioctl+0x674 sys/kern/sys_generic.c:-1
#6 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#6 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:791
#7 Xsyscall+0x128
exclusive kernel_lock &kernel_lock r = 0 (0xffffffff839e5080)
#0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1 vn_ioctl+0x4d sys/kern/vfs_vnops.c:520
#2 sys_ioctl+0x674 sys/kern/sys_generic.c:-1
#3 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#3 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:791
#4 Xsyscall+0x128
ddb{1}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 11068 12158K 12354K 166960K 12393 0
pcb 20 12K 12K 166960K 59 0
rtable 254 9K 10K 166960K 444 0
pf 34 17K 23K 166960K 86 0
ifaddr 43 7K 7K 166960K 56 0
ifgroup 55 2K 2K 166960K 75 0
sysctl 4 1K 9K 166960K 11 0
counters 70 37K 37K 166960K 90 0
ioctlops 1 2K 4K 166960K 1509 0
iov 0 0K 16K 166960K 8 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1359 85K 86K 166960K 1562 0
UFS quota 1 32K 32K 166960K 1 0
UFS mount 5 36K 36K 166960K 5 0
shm 2 1K 5K 166960K 4 0
VM map 2 1K 1K 166960K 2 0
sem 12 0K 0K 166960K 24 0
dirhash 12 2K 2K 166960K 12 0
ACPI 1734 201K 291K 166960K 11964 0
file desc 18 65K 85K 166960K 339 0
sigio 1 0K 0K 166960K 7 0
proc 72 115K 164K 166960K 611 0
subproc 72 4K 4K 166960K 81 0
NFS srvsock 1 0K 0K 166960K 1 0
NFS daemon 1 16K 16K 166960K 1 0
ip_moptions 0 0K 0K 166960K 16 0
in_multi 99 6K 6K 166960K 112 0
ether_multi 1 0K 0K 166960K 2 0
mrt 1 0K 0K 166960K 15 0
ISOFS mount 1 32K 32K 166960K 1 0
MSDOSFS mount 1 16K 16K 166960K 1 0
ttys 67 307K 307K 166960K 67 0
exec 0 0K 1K 166960K 407 0
fusefs mount 1 32K 32K 166960K 1 0
tdb 3 0K 0K 166960K 3 0
VM swap 8 62K 64K 166960K 10 0
UVM amap 249 168K 177K 166960K 4914 0
UVM aobj 10 2K 2K 166960K 11 0
pinsyscall 43 86K 102K 166960K 1521 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
ip6_options 0 0K 0K 166960K 5 0
NDP 12 0K 1K 166960K 36 0
temp 43 9119K 9135K 166960K 9169 0
kqueue 14 22K 26K 166960K 52 0
SYN cache 2 16K 16K 166960K 2 0
ddb{1}> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
plcache 128 28 0 0 1 0 1 1 0 8 0
rtpcb 120 43 0 40 1 0 1 1 0 8 0
rtentry 176 134 0 22 6 0 6 6 0 8 0
unpcb 144 139 0 120 1 0 1 1 0 8 0
syncache 336 4 0 4 1 1 0 1 0 8 0
tcpcb 736 41 0 37 1 0 1 1 0 8 0
arp 136 22 0 5 1 0 1 1 0 8 0
inpcb 328 205 0 193 3 1 2 2 0 8 0
nd6 152 30 0 4 2 0 2 2 0 8 0
pkpcb 40 1 0 1 1 0 1 1 0 8 1
kcovpl 48 9 0 1 1 0 1 1 0 8 0
ppxss 1192 7 0 7 2 1 1 1 0 8 1
pffrag 232 4 0 0 1 0 1 1 0 482 0
pffrnode 88 4 0 0 1 0 1 1 0 8 0
pffrent 40 6 0 2 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
pfrktable 1344 8 0 8 1 0 1 1 0 8 1
pfsrclim 320 2 0 2 2 2 0 1 0 8 0
pfanchor 1288 2 0 2 1 0 1 1 0 8 1
pfstitem 24 37 0 0 1 0 1 1 0 8 0
pfstkey 128 37 0 0 2 0 2 2 0 8 0
pfstate 448 37 0 0 5 0 5 5 0 8 0
pfrule 1360 23 0 18 2 1 1 2 0 8 0
art_heap8 4096 2 0 0 2 0 2 2 0 8 0
art_heap4 256 535 0 68 30 0 30 30 0 8 0
art_table 40 537 0 68 5 0 5 5 0 8 0
art_node 32 134 0 32 1 0 1 1 0 8 0
sysvmsgpl 40 3 0 1 1 0 1 1 0 8 0
semupl 112 1 0 1 1 1 0 1 0 8 0
semapl 72 22 0 12 1 0 1 1 0 8 0
shmpl 112 8 0 1 1 0 1 1 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 1869 0 400 93 0 93 93 0 8 0
ffsino 296 1869 0 400 114 0 114 114 0 8 0
nchpl 144 2398 0 690 64 0 64 64 0 8 0
rtmask 32 2 0 2 1 0 1 1 0 8 1
vnodes 216 2118 0 0 118 0 118 118 0 8 0
namei 1024 7691 0 7691 2 1 1 2 0 8 1
percpumem 16 61 0 10 1 0 1 1 0 8 0
pfiaddrpl 120 2 0 2 1 0 1 1 0 8 1
kstatmem 264 39 0 12 2 0 2 2 0 8 0
scxspl 216 8274 0 8274 8 3 5 5 1 8 5
plimitpl 152 46 0 29 1 0 1 1 0 8 0
sigapl 424 655 0 606 7 1 6 7 0 8 0
knotepl 120 305 0 0 10 0 10 10 0 8 0
kqueuepl 224 61 0 51 1 0 1 1 0 8 0
pipepl 344 140 0 112 3 0 3 3 0 8 0
fdescpl 528 638 0 606 3 0 3 3 0 8 0
filepl 160 2730 0 2490 13 0 13 13 0 8 3
lockfpl 104 82 0 77 1 0 1 1 0 8 0
lockfspl 48 43 0 38 1 0 1 1 0 8 0
sessionpl 144 40 0 29 1 0 1 1 0 8 0
pgrppl 48 52 0 33 1 0 1 1 0 8 0
ucredpl 104 301 0 288 1 0 1 1 0 8 0
zombiepl 144 709 0 709 2 1 1 1 0 8 1
processpl 1232 655 0 606 5 1 4 5 0 8 0
procpl 664 998 0 937 7 1 6 6 0 8 0
sockpl 752 402 0 368 6 1 5 5 0 8 0
mcl64k 65536 4 0 0 1 0 1 1 0 8 0
mcl16k 16384 4 0 0 1 0 1 1 0 8 0
mcl8k 8192 3 0 0 1 0 1 1 0 8 0
mcl4k 4096 125 0 0 16 0 16 16 0 8 0
mcl2k2 2112 1 0 0 1 0 1 1 0 8 0
mcl2k 2048 16 0 0 2 0 2 2 0 8 0
mextrefs 64 13 0 0 1 0 1 1 0 8 0
mtagpl 96 13 0 0 1 0 1 1 0 8 0
mbufpl 256 184 0 0 12 0 12 12 0 8 0
bufpl 272 2759 0 105 177 0 177 177 0 8 0
anonpl 32 7279 0 0 59 0 59 59 0 247 0
amapchunkpl 152 14575 0 14035 31 6 25 26 0 158 4
amappl16 200 2328 0 2296 17 6 11 14 0 8 7
amappl15 192 7 0 7 1 1 0 1 0 8 0
amappl14 184 442 0 441 1 0 1 1 0 8 0
amappl13 176 207 0 195 1 0 1 1 0 8 0
amappl12 168 909 0 878 2 0 2 2 0 8 0
amappl11 160 5 0 5 1 1 0 1 0 8 0
amappl10 152 77 0 62 1 0 1 1 0 8 0
amappl9 144 276 0 275 1 0 1 1 0 8 0
amappl8 136 101 0 99 1 0 1 1 0 8 0
amappl7 128 161 0 148 1 0 1 1 0 8 0
amappl6 120 173 0 172 1 0 1 1 0 8 0
amappl5 112 104 0 94 1 0 1 1 0 8 0
amappl4 104 290 0 272 1 0 1 1 0 8 0
amappl3 96 2611 0 2499 3 0 3 3 0 8 0
amappl2 88 754 0 676 2 0 2 2 0 8 0
amappl1 80 11251 0 10642 15 2 13 15 0 8 0
amappl 88 4134 0 3959 5 0 5 5 0 92 1
uvmvnodes 80 112 0 0 3 0 3 3 0 8 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 10 0 1 1 0 1 1 0 8 0
uaddrrnd 24 638 0 606 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 638 0 606 1 0 1 1 0 8 0
vmmpekpl 168 7145 0 7100 3 0 3 3 0 8 0
vmmpepl 168 49578 0 47592 96 3 93 93 0 357 5
vmsppl 488 637 0 606 5 0 5 5 0 8 1
rwobjpl 80 17306 0 16233 27 1 26 26 0 8 2
pdppl 4096 1283 0 1212 101 28 73 83 0 8 2
pvpl 32 13800 0 0 112 0 112 112 0 265 0
pmappl 256 637 0 606 3 0 3 3 0 8 0
extentpl 40 46 0 28 1 0 1 1 0 8 0
phpool 112 456 0 33 13 0 13 13 0 8 0
ddb{1}> machine ddbcpu 0
Stopped at x86_ipi_db+0x27: addq $0x8,%rsp
ddb{0}> trace
x86_ipi_db(ffffffff8397bff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394
x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27
__mp_lock(ffffffff839e4880) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline]
__mp_lock(ffffffff839e4880) at __mp_lock+0x192 sys/kern/kern_lock.c:173
intr_handler(ffff800037fd3390,ffff80000006e200) at intr_handler+0xe9 sys/arch/amd64/amd64/intr.c:560
Xintr_ioapic_edge16_untramp() at Xintr_ioapic_edge16_untramp+0x18f
__mp_lock(ffffffff839e4880) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline]
__mp_lock(ffffffff839e4880) at __mp_lock+0x192 sys/kern/kern_lock.c:173
softintr_dispatch(0) at softintr_dispatch+0x125 sys/kern/kern_softintr.c:83
dosoftint(0) at dosoftint+0x54 sys/arch/amd64/amd64/intr.c:862
Xsoftclock() at Xsoftclock+0x27
__mp_lock(ffffffff839e4880) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline]
__mp_lock(ffffffff839e4880) at __mp_lock+0x192 sys/kern/kern_lock.c:173
ktrsysret(ffff80003c3b94e0,4a,0,ffff800037fd3710) at ktrsysret+0xde ktrwrite2 sys/kern/kern_ktrace.c:-1 [inline]
ktrsysret(ffff80003c3b94e0,4a,0,ffff800037fd3710) at ktrsysret+0xde sys/kern/kern_ktrace.c:209
syscall(ffff800037fd37c0) at syscall+0xa51 mi_syscall_return sys/sys/syscall_mi.h:204 [inline]
syscall(ffff800037fd37c0) at syscall+0xa51 sys/arch/amd64/amd64/trap.c:812
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x739992190010, count: -14
ddb{0}> machine ddbcpu 1
Stopped at db_enter+0x25: addq $0x8,%rsp
ddb{1}> trace
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
witness_checkorder(ffffffff83997510,9,0) at witness_checkorder+0x10d1 sys/kern/subr_witness.c:-1
rw_do_enter_write(ffffffff839974f8,0) at rw_do_enter_write+0xba sys/kern/kern_rwlock.c:234
uvn_io(fffff6006cce57e0,ffff800037fde378,1,202,0) at uvn_io+0x54c sys/uvm/uvm_vnode.c:1243
uvn_get(fffff6006cce57e0,1000,ffff800037fde448,ffff800037fde42c,0,1,b11882a69f787563,1) at uvn_get+0x31d sys/uvm/uvm_vnode.c:1075
uvm_fault_lower_io(ffff800037fde660,ffff800037fde698,ffff800037fde4e0,ffff800037fde4c8) at uvm_fault_lower_io+0x2ce sys/uvm/uvm_fault.c:1612
uvm_fault_lower(ffff800037fde660,ffff800037fde698,ffff800037fde5e0) at uvm_fault_lower+0x28d sys/uvm/uvm_fault.c:1381
uvm_fault(fffff6006c9853f0,200000001000,0,1) at uvm_fault+0x274 sys/uvm/uvm_fault.c:-1
kpageflttrap(ffff800037fde810,200000001200) at kpageflttrap+0x2f4 sys/arch/amd64/amd64/trap.c:285
kerntrap(ffff800037fde810) at kerntrap+0x19d sys/arch/amd64/amd64/trap.c:532
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
_copyin() at _copyin+0x5b
pfioctl(14900,c4504441,ffff800001615000,1,ffff80003c3b8020) at pfioctl+0x13ff sys/net/pf_ioctl.c:3241
VOP_IOCTL(fffff6000dcab288,c4504441,ffff800001615000,1,fffff600097fd7b8,ffff80003c3b8020) at VOP_IOCTL+0xac sys/kern/vfs_vops.c:264
vn_ioctl(fffff6006cc52cc8,c4504441,ffff800001615000,ffff80003c3b8020) at vn_ioctl+0xf8 sys/kern/vfs_vnops.c:537
sys_ioctl(ffff80003c3b8020,ffff800037fdf3c0,ffff800037fdf310) at sys_ioctl+0x674 sys/kern/sys_generic.c:-1
syscall(ffff800037fdf3c0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff800037fdf3c0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:791
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x50062f681d0, count: -18