witness: lock order reversal:
1st 0xffffffff838e6288 pf_lock (pf_lock)
2nd 0xffffffff8393fd40 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(ffffffff8393fd40,9,0) at witness_checkorder+0x10d1 sys/kern/subr_witness.c:-1
rw_do_enter_write(ffffffff8393fd28,0) at rw_do_enter_write+0xba sys/kern/kern_rwlock.c:234
uvn_io(fffffd005e46bf10,ffff8000383e17b8,1,202,0) at uvn_io+0x54c sys/uvm/uvm_vnode.c:1243
uvn_get(fffffd005e46bf10,1000,ffff8000383e1888,ffff8000383e186c,0,1,1f0df61f52e10eb5,1) at uvn_get+0x31d sys/uvm/uvm_vnode.c:1075
uvm_fault_lower_io(ffff8000383e1aa0,ffff8000383e1ad8,ffff8000383e1920,ffff8000383e1908) at uvm_fault_lower_io+0x2ce sys/uvm/uvm_fault.c:1612
uvm_fault_lower(ffff8000383e1aa0,ffff8000383e1ad8,ffff8000383e1a20) at uvm_fault_lower+0x28d sys/uvm/uvm_fault.c:1381
uvm_fault(fffffd000b1cb3d0,200000001000,0,1) at uvm_fault+0x274 sys/uvm/uvm_fault.c:-1
kpageflttrap(ffff8000383e1c50,200000001200) at kpageflttrap+0x2f4 sys/arch/amd64/amd64/trap.c:285
kerntrap(ffff8000383e1c50) 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,ffff8000015e8000,1,ffff80002a22a7e0) at pfioctl+0x13ff sys/net/pf_ioctl.c:3241
VOP_IOCTL(fffffd006a9f4700,c4504441,ffff8000015e8000,1,fffffd00097fd820,ffff80002a22a7e0) at VOP_IOCTL+0xac sys/kern/vfs_vops.c:264
vn_ioctl(fffffd006ceed030,c4504441,ffff8000015e8000,ffff80002a22a7e0) at vn_ioctl+0xf8 sys/kern/vfs_vnops.c:537
sys_ioctl(ffff80002a22a7e0,ffff8000383e2800,ffff8000383e2750) at sys_ioctl+0x674 sys/kern/sys_generic.c:-1
syscall(ffff8000383e2800) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff8000383e2800) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:791
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xcb3b7b3acd0, count: -18
ddb{1}> show registers
rdi 0
rsi 0
rbp 0xffff8000383e1570
rbx 0
rdx 0
rcx 0xffff80002a22a7e0
rax 0xffff80002999dff0
r8 0xffff8000383e1450
r9 0x8080808080808080
r10 0x1f7302cb1574f247
r11 0x49713a3b853f9547
r12 0xfffffd00040c22c0
r13 0xfffffd00048b1ce0
r14 0x3
r15 0xffffffff8352bf72 substchar+0x80c9
rip 0xffffffff8181cf75 db_enter+0x25
cs 0x8
rflags 0x246
rsp 0xffff8000383e1560
ss 0x10
db_enter+0x25: addq $0x8,%rsp
ddb{1}> show proc
PROC (syz-executor) tid=11920 pid=19857 tcnt=2 stat=onproc
flags process=0 proc=4000000<THREAD>
runpri=32, usrpri=62, slppri=32, nice=20
wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0
forw=0xffffffffffffffff, list=0xffff80002a22b770,0xffff80002a22bcb0
process=0xffff800045ff44d8 user=0xffff8000383dd000, vmspace=0xfffffd000b1cb3d0
estcpu=12, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0
ddb{1}> ps
PID TID PPID UID S PRLAGS PFLAGS WAIT COMMAND
33666 285869 6395 0 2 0 0 syz-executor
7499 449373 26220 0 2 0x100000 0 sh
26220 509867 81062 0 3 0x100002 0x88 sigsusp sh
10395 290164 45553 0 2 0 0 syz-executor
10395 70263 45553 0 3 0 0x4000080 lockf syz-executor
89420 479463 37150 0 2 0 0 syz-executor
89420 202115 37150 0 3 0 0x4000080 fsleep syz-executor
19857 236722 41016 0 2 0 0 syz-executor
*19857 11920 41016 0 7 0 0x4000000 syz-executor
46719 462690 74732 0 2 0x100002 0 sh
86431 223696 92019 0 2 0x2 0 syz-executor
74732 181500 92019 0 3 0x2 0x80 wait syz-executor
81062 327747 92019 0 3 0x2 0x80 wait syz-executor
6395 455366 92019 0 3 0x2 0x80 nanoslp syz-executor
37150 298123 92019 0 3 0x2 0x80 nanoslp syz-executor
45553 452639 92019 0 3 0x2 0x80 nanoslp syz-executor
32087 53911 92019 0 3 0x2 0x80 nanoslp syz-executor
41016 504865 92019 0 3 0x2 0x80 nanoslp syz-executor
92019 13875 45850 0 3 0x2 0x80 kqread syz-executor
45850 253521 79786 0 3 0x100002 0x88 sigsusp ksh
79786 225148 25194 0 3 0x10 0x88 kqread sshd-session
25194 46151 56293 0 3 0x12 0x80 kqread sshd-session
46485 282878 1 0 3 0x100003 0x80 ttyin getty
56293 182494 1 0 3 0 0x88 kqread sshd
67652 355123 63520 74 3 0x1100012 0x80 bpf pflogd
63520 521943 1 0 3 0 0x80 sbwait pflogd
10334 243504 12796 73 3 0x1100010 0x80 kqread syslogd
12796 126837 1 0 3 0x100002 0x80 sbwait syslogd
72958 445957 1 0 3 0x100000 0x80 kqread resolvd
42254 394250 55152 77 3 0x100012 0x80 kqread dhcpleased
10593 345793 55152 77 3 0x100012 0x80 kqread dhcpleased
55152 402609 1 0 3 0 0x80 kqread dhcpleased
16751 385946 0 0 2 0x14000 0x40000200 smr
93369 375843 0 0 2 0x14000 0x200 zerothread
41816 18236 0 0 3 0x14000 0x200 aiodoned aiodoned
75962 449648 0 0 3 0x14000 0x200 syncer update
56447 327752 0 0 3 0x14000 0x200 cleaner cleaner
57017 445745 0 0 3 0x14000 0x200 reaper reaper
3909 100416 0 0 3 0x14000 0x200 pgdaemon pagedaemon
51556 451932 0 0 3 0x14000 0x200 bored viomb
22911 295714 0 0 3 0x14000 0x40000200 acpi0 acpi0
5227 58902 0 0 3 0x14000 0x40000200 idle1
17384 398984 0 0 3 0x14000 0x200 bored softnet1
78483 493084 0 0 2 0x14000 0x200 softnet0
82957 139 0 0 3 0x14000 0x200 smrbar systqmp
27858 289532 0 0 3 0x14000 0x200 bored systq
56963 432524 0 0 3 0x14000 0x200 tmoslp softclockmp
51715 360127 0 0 3 0x14000 0x40000200 tmoslp softclock
20193 133343 0 0 3 0x14000 0x40000200 idle0
1 122569 0 0 3 0x2 0x80 wait init
0 0 -1 0 3 0x10000 0x200 scheduler swapper
ddb{1}> show all locks
Process 19857 (syz-executor) thread 0xffff80002a22a7e0 (11920)
exclusive rwlock pf_lock r = 0 (0xffffffff838e6288)
#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 (0xffffffff838e6318)
#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 (0xffffffff83b3ee00)
#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
Process 82957 (systqmp) thread 0xffff800045ffe298 (139)
shared rwlock systqmp r = 0 (0xffffffff839d9578)
#0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1 taskq_thread+0x12a sys/kern/kern_task.c:442
#2 proc_trampoline+0x10
ddb{1}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 11068 12160K 12160K 166960K 12193 0
pcb 17 12K 12K 166960K 27 0
rtable 192 7K 9K 166960K 445 0
pf 38 18K 22K 166960K 73 0
ifaddr 37 6K 7K 166960K 61 0
ifgroup 57 2K 2K 166960K 77 0
sysctl 1 1K 9K 166960K 6 0
counters 72 37K 37K 166960K 82 0
ioctlops 1 2K 4K 166960K 1493 0
iov 0 0K 16K 166960K 1 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1291 81K 82K 166960K 1437 0
UFS quota 1 32K 32K 166960K 1 0
UFS mount 5 36K 36K 166960K 5 0
shm 2 1K 5K 166960K 3 0
VM map 2 1K 1K 166960K 2 0
sem 5 0K 0K 166960K 5 0
dirhash 15 2K 2K 166960K 15 0
ACPI 1734 201K 291K 166960K 11964 0
file desc 17 61K 97K 166960K 228 0
proc 71 115K 180K 166960K 665 0
subproc 72 4K 4K 166960K 117 0
NFS srvsock 1 0K 0K 166960K 1 0
NFS daemon 1 16K 16K 166960K 1 0
ip_moptions 0 0K 0K 166960K 2 0
in_multi 68 4K 6K 166960K 125 0
ether_multi 1 0K 0K 166960K 1 0
mrt 0 0K 0K 166960K 1 0
ISOFS mount 1 32K 32K 166960K 1 0
MSDOSFS mount 1 16K 16K 166960K 1 0
ttys 61 281K 281K 166960K 61 0
exec 0 0K 1K 166960K 442 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 212 172K 177K 166960K 3817 0
UVM aobj 4 2K 2K 166960K 4 0
pinsyscall 42 84K 106K 166960K 1508 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
NDP 15 0K 2K 166960K 38 0
temp 34 9114K 9135K 166960K 5120 0
kqueue 15 24K 24K 166960K 36 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 176 139 0 56 6 0 6 6 0 8 0
unpcb 144 62 0 43 1 0 1 1 0 8 0
syncache 336 4 0 4 1 0 1 1 0 8 1
tcpcb 736 15 0 11 1 0 1 1 0 8 0
arp 136 24 0 10 1 0 1 1 0 8 0
inpcb 328 104 0 96 2 0 2 2 0 8 1
nd6 152 30 0 15 1 0 1 1 0 8 0
kcovpl 48 13 0 5 1 0 1 1 0 8 0
ppxss 1192 1 0 0 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 6 0 2 1 0 1 1 0 8 0
pfsrclim 320 1 0 1 1 0 1 1 0 8 1
pfanchor 1288 2 0 0 1 0 1 1 0 8 0
pfstitem 24 27 0 0 1 0 1 1 0 8 0
pfstkey 128 27 0 0 1 0 1 1 0 8 0
pfstate 448 27 0 0 3 0 3 3 0 8 0
pfrule 1360 22 0 16 2 1 1 2 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 546 0 176 29 0 29 29 0 8 4
art_table 40 547 0 176 5 0 5 5 0 8 0
art_node 32 139 0 52 1 0 1 1 0 8 0
semapl 72 3 0 0 1 0 1 1 0 8 0
shmpl 112 1 0 0 1 0 1 1 0 8 0
dirhash 1024 19 0 0 3 0 3 3 0 8 0
dino2pl 256 1653 0 175 93 0 93 93 0 8 0
ffsino 296 1653 0 175 114 0 114 114 0 8 0
nchpl 144 1895 0 179 64 0 64 64 0 8 0
vnodes 216 1800 0 0 100 0 100 100 0 8 0
namei 1024 7174 0 7174 4 1 3 3 0 8 3
percpumem 16 57 0 5 1 0 1 1 0 8 0
pfiaddrpl 120 2 0 0 1 0 1 1 0 8 0
kstatmem 264 39 0 10 2 0 2 2 0 8 0
scxspl 216 6502 0 6502 4 3 1 3 1 8 1
plimitpl 152 106 0 89 1 0 1 1 0 8 0
sigapl 424 547 0 499 7 0 7 7 0 8 1
knotepl 120 269 0 0 9 0 9 9 0 8 0
kqueuepl 224 41 0 29 1 0 1 1 0 8 0
pipepl 344 148 0 121 3 0 3 3 0 8 0
fdescpl 528 531 0 500 3 0 3 3 0 8 0
filepl 160 1984 0 1765 10 0 10 10 0 8 0
lockfpl 104 20 0 15 1 0 1 1 0 8 0
lockfspl 48 11 0 7 1 0 1 1 0 8 0
sessionpl 144 30 0 21 1 0 1 1 0 8 0
pgrppl 48 43 0 26 1 0 1 1 0 8 0
ucredpl 104 204 0 191 1 0 1 1 0 8 0
zombiepl 144 500 0 499 1 0 1 1 0 8 0
processpl 1232 547 0 499 5 0 5 5 0 8 1
procpl 664 616 0 565 5 0 5 5 0 8 0
sockpl 752 212 0 182 4 0 4 4 0 8 1
mcl64k 65536 2 0 0 1 0 1 1 0 8 0
mcl8k 8192 2 0 0 1 0 1 1 0 8 0
mcl4k 4096 139 0 0 18 0 18 18 0 8 0
mcl2k 2048 14 0 0 2 0 2 2 0 8 0
mextrefs 64 16 0 0 1 0 1 1 0 8 0
mtagpl 96 1 0 0 1 0 1 1 0 8 0
mbufpl 256 178 0 0 12 0 12 12 0 8 0
bufpl 272 2344 0 105 150 0 150 150 0 8 0
anonpl 32 3622 0 0 30 0 30 30 0 247 0
amapchunkpl 152 10166 0 9766 19 0 19 19 0 158 0
amappl16 200 1415 0 1399 5 1 4 5 0 8 2
amappl15 192 6 0 6 1 1 0 1 0 8 0
amappl14 184 484 0 480 1 0 1 1 0 8 0
amappl13 176 131 0 119 1 0 1 1 0 8 0
amappl12 168 796 0 768 2 0 2 2 0 8 0
amappl11 160 61 0 61 1 1 0 1 0 8 0
amappl10 152 69 0 54 1 0 1 1 0 8 0
amappl9 144 272 0 271 1 0 1 1 0 8 0
amappl8 136 117 0 115 1 0 1 1 0 8 0
amappl7 128 158 0 144 1 0 1 1 0 8 0
amappl6 120 202 0 199 1 0 1 1 0 8 0
amappl5 112 102 0 92 1 0 1 1 0 8 0
amappl4 104 303 0 284 1 0 1 1 0 8 0
amappl3 96 1780 0 1702 3 0 3 3 0 8 0
amappl2 88 647 0 573 2 0 2 2 0 8 0
amappl1 80 11173 0 10581 16 1 15 15 0 8 2
amappl 88 3017 0 2879 4 0 4 4 0 92 0
uvmvnodes 80 99 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 8 0 8 2 1 1 1 0 8 1
dma16 16 18 0 17 1 0 1 1 0 8 0
aobjpl 72 3 0 0 1 0 1 1 0 8 0
uaddrrnd 24 531 0 500 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 531 0 500 1 0 1 1 0 8 0
vmmpekpl 168 6420 0 6373 3 0 3 3 0 8 0
vmmpepl 168 43409 0 41623 87 0 87 87 0 357 5
vmsppl 488 530 0 499 5 0 5 5 0 8 0
rwobjpl 80 15451 0 14453 26 1 25 26 0 8 3
pdppl 4096 1069 0 998 111 38 73 87 0 8 2
pvpl 32 9036 0 0 73 0 73 73 0 265 0
pmappl 256 530 0 499 3 0 3 3 0 8 0
extentpl 40 46 0 28 1 0 1 1 0 8 0
phpool 112 438 0 42 12 0 12 12 0 8 0
ddb{1}> machine ddbcpu 0
Stopped at x86_ipi_db+0x27: addq $0x8,%rsp
ddb{0}> trace
x86_ipi_db(ffffffff83997ff0) 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
__sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x44 sys/dev/kcov.c:159
intr_handler(ffff800037fd67b0,ffff80000006e200) at intr_handler+0xe9 sys/arch/amd64/amd64/intr.c:560
Xintr_ioapic_edge16_untramp() at Xintr_ioapic_edge16_untramp+0x18f
__sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x19 kd_curproc sys/dev/kcov.c:580 [inline]
__sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x19 sys/dev/kcov.c:153
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(ffffffff83b3e600) at __mp_lock+0x190 __mp_lock_spin sys/kern/kern_lock.c:143 [inline]
__mp_lock(ffffffff83b3e600) at __mp_lock+0x190 sys/kern/kern_lock.c:173
exit1(ffff800045feaa80,0,0,1) at exit1+0x720 sys/kern/kern_exit.c:260
sys_exit(ffff800045feaa80,ffff800037fd6bd0,ffff800037fd6b20) at sys_exit+0x1a sys/kern/kern_exit.c:-1
syscall(ffff800037fd6bd0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff800037fd6bd0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:791
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x785095fafcf0, count: -15
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(ffffffff8393fd40,9,0) at witness_checkorder+0x10d1 sys/kern/subr_witness.c:-1
rw_do_enter_write(ffffffff8393fd28,0) at rw_do_enter_write+0xba sys/kern/kern_rwlock.c:234
uvn_io(fffffd005e46bf10,ffff8000383e17b8,1,202,0) at uvn_io+0x54c sys/uvm/uvm_vnode.c:1243
uvn_get(fffffd005e46bf10,1000,ffff8000383e1888,ffff8000383e186c,0,1,1f0df61f52e10eb5,1) at uvn_get+0x31d sys/uvm/uvm_vnode.c:1075
uvm_fault_lower_io(ffff8000383e1aa0,ffff8000383e1ad8,ffff8000383e1920,ffff8000383e1908) at uvm_fault_lower_io+0x2ce sys/uvm/uvm_fault.c:1612
uvm_fault_lower(ffff8000383e1aa0,ffff8000383e1ad8,ffff8000383e1a20) at uvm_fault_lower+0x28d sys/uvm/uvm_fault.c:1381
uvm_fault(fffffd000b1cb3d0,200000001000,0,1) at uvm_fault+0x274 sys/uvm/uvm_fault.c:-1
kpageflttrap(ffff8000383e1c50,200000001200) at kpageflttrap+0x2f4 sys/arch/amd64/amd64/trap.c:285
kerntrap(ffff8000383e1c50) 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,ffff8000015e8000,1,ffff80002a22a7e0) at pfioctl+0x13ff sys/net/pf_ioctl.c:3241
VOP_IOCTL(fffffd006a9f4700,c4504441,ffff8000015e8000,1,fffffd00097fd820,ffff80002a22a7e0) at VOP_IOCTL+0xac sys/kern/vfs_vops.c:264
vn_ioctl(fffffd006ceed030,c4504441,ffff8000015e8000,ffff80002a22a7e0) at vn_ioctl+0xf8 sys/kern/vfs_vnops.c:537
sys_ioctl(ffff80002a22a7e0,ffff8000383e2800,ffff8000383e2750) at sys_ioctl+0x674 sys/kern/sys_generic.c:-1
syscall(ffff8000383e2800) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff8000383e2800) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:791
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xcb3b7b3acd0, count: -18