witness: lock order reversal:
1st 0xffffffff8390ad98 pf_lock (pf_lock)
2nd 0xffffffff8391f740 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:283
#7 kerntrap+0x19d sys/arch/amd64/amd64/trap.c:528
#8 alltraps_kern_meltdown+0x7b
#9 _copyin+0x5b
#10 pfioctl+0x13ff sys/net/pf_ioctl.c:3238
#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:783
#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:3057 [inline]
#2 if_addgroup+0x2f8 sys/net/if.c:3095
#3 if_attachsetup+0xcf sys/net/if.c:512
#4 if_attach+0x6d sys/net/if.c:604
#5 vio_attach+0x17f7 sys/dev/pv/if_vio.c:927
#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+0x37a sys/arch/amd64/pci/acpipci.c:231
#13 acpipci_attach_busses+0x93 sys/arch/amd64/pci/acpipci.c:239
#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}> trace
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
witness_checkorder(ffffffff8391f740,9,0) at witness_checkorder+0x10d1 sys/kern/subr_witness.c:-1
rw_do_enter_write(ffffffff8391f728,0) at rw_do_enter_write+0xba sys/kern/kern_rwlock.c:234
uvn_io(ffffef806c10cb00,ffff80003c3dfff8,1,202,0) at uvn_io+0x54c sys/uvm/uvm_vnode.c:1243
uvn_get(ffffef806c10cb00,0,ffff80003c3e00c8,ffff80003c3e00ac,0,1,ce6f8e4eb9156905,1) at uvn_get+0x31d sys/uvm/uvm_vnode.c:1075
uvm_fault_lower_io(ffff80003c3e02e0,ffff80003c3e0318,ffff80003c3e0160,ffff80003c3e0148) at uvm_fault_lower_io+0x2ce sys/uvm/uvm_fault.c:1612
uvm_fault_lower(ffff80003c3e02e0,ffff80003c3e0318,ffff80003c3e0260) at uvm_fault_lower+0x28d sys/uvm/uvm_fault.c:1381
uvm_fault(ffffef800ee89020,200000000000,0,1) at uvm_fault+0x274 sys/uvm/uvm_fault.c:-1
kpageflttrap(ffff80003c3e0490,200000000200) at kpageflttrap+0x2f4 sys/arch/amd64/amd64/trap.c:283
kerntrap(ffff80003c3e0490) at kerntrap+0x19d sys/arch/amd64/amd64/trap.c:528
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
_copyin() at _copyin+0x5b
pfioctl(24900,c4504441,ffff800000c5f800,1,ffff80003bbc74e8) at pfioctl+0x13ff sys/net/pf_ioctl.c:3238
VOP_IOCTL(ffffef80632cf630,c4504441,ffff800000c5f800,1,ffffef80097fd270,ffff80003bbc74e8) at VOP_IOCTL+0xac sys/kern/vfs_vops.c:264
vn_ioctl(ffffef806c1b69a8,c4504441,ffff800000c5f800,ffff80003bbc74e8) at vn_ioctl+0xf8 sys/kern/vfs_vnops.c:537
sys_ioctl(ffff80003bbc74e8,ffff80003c3e1040,ffff80003c3e0f90) at sys_ioctl+0x674 sys/kern/sys_generic.c:-1
syscall(ffff80003c3e1040) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80003c3e1040) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xc0cfeadbf70, count: -18
ddb{1}> show registers
rdi 0
rsi 0x80000 acpi_pdirpa+0x6be71
rbp 0xffff80003c3dfdb0
rbx 0
rdx 0xffff8000015fd240
rcx 0xffff80003bbc74e8
rax 0x7ffff acpi_pdirpa+0x6be70
r8 0xffff80003c3dfc90
r9 0x8080808080808080
r10 0x7e2cbee76ad1dfe6
r11 0x8586b6edb68be2
r12 0xffffef80040c82c0
r13 0xffffef80048b72c8
r14 0x3
r15 0xffffffff835257b9 substchar+0x5274
rip 0xffffffff827c2b95 db_enter+0x25
cs 0x8
rflags 0x246
rsp 0xffff80003c3dfda0
ss 0x10
db_enter+0x25: addq $0x8,%rsp
ddb{1}> show proc
PROC (syz-executor) tid=89368 pid=32690 tcnt=2 stat=onproc
flags process=0 proc=4000000<THREAD>
runpri=32, usrpri=50, slppri=32, nice=20
wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0
forw=0xffffffffffffffff, list=0xffff80003bbc67f0,0xffff80003bbc6568
process=0xffff80003c466b78 user=0xffff80003c3dc000, vmspace=0xffffef800ee89020
estcpu=29, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0
ddb{1}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
34781 320679 12169 0 2 0 syz-executor
34781 266846 12169 0 2 0x4000000 syz-executor
34781 264237 12169 0 3 0x4000000 smrbar syz-executor
94491 413983 18820 0 2 0 syz-executor
94491 310 18820 0 3 0x4000080 kqpoll syz-executor
93385 145824 46723 0 2 0 syz-executor
93385 75344 46723 0 3 0x4000080 fsleep syz-executor
93385 66651 46723 0 2 0x4000000 syz-executor
87907 444575 16050 60929 2 0x10 syz-executor
87907 43499 16050 60929 3 0x4000090 lockf syz-executor
87907 198042 16050 60929 3 0x4000090 fsleep syz-executor
32690 432134 34016 0 2 0 syz-executor
*32690 89368 34016 0 7 0x4000000 syz-executor
73950 195664 31501 0 2 0 syz-executor
73950 195950 31501 0 3 0x4000080 fsleep syz-executor
73950 145294 31501 0 3 0x4000080 fsleep syz-executor
55832 360092 81266 0 2 0 syz-executor
55832 116894 81266 0 3 0x4000080 fsleep syz-executor
20473 505905 52203 0 7 0x100003 sh
52203 212335 68329 0 3 0x82 wait syz-executor
53260 307978 0 0 3 0x14200 acct acct
84602 371521 0 0 3 0x14280 nfsidl nfsio
5520 289053 0 0 3 0x14280 nfsidl nfsio
77967 227375 0 0 3 0x14280 nfsidl nfsio
1365 128761 0 0 3 0x14280 nfsidl nfsio
46300 317220 0 0 3 0x14280 nfsidl nfsio
7459 183775 0 0 3 0x14280 nfsidl nfsio
60238 38862 0 0 3 0x14280 nfsidl nfsio
60394 300592 0 0 3 0x14280 nfsidl nfsio
73407 53014 0 0 3 0x14280 nfsidl nfsio
42191 507777 0 0 3 0x14280 nfsidl nfsio
62049 53847 0 0 3 0x14280 nfsidl nfsio
76179 230505 0 0 3 0x14280 nfsidl nfsio
97518 392918 0 0 3 0x14280 nfsidl nfsio
15579 46335 0 0 3 0x14280 nfsidl nfsio
32253 90400 0 0 3 0x14280 nfsidl nfsio
56611 415882 0 0 3 0x14280 nfsidl nfsio
60091 518906 0 0 3 0x14280 nfsidl nfsio
85705 473490 0 0 3 0x14280 nfsidl nfsio
77073 217027 0 0 3 0x14280 nfsidl nfsio
73678 130349 0 0 3 0x14280 nfsidl nfsio
16050 214705 68329 0 3 0x82 nanoslp syz-executor
34016 26156 68329 0 3 0x82 nanoslp syz-executor
12169 286730 68329 0 3 0x82 nanoslp syz-executor
46723 28045 68329 0 3 0x82 nanoslp syz-executor
81266 518463 68329 0 3 0x82 nanoslp syz-executor
31501 269021 68329 0 3 0x82 nanoslp syz-executor
18820 516665 68329 0 3 0x82 nanoslp syz-executor
68329 34271 8989 0 3 0x82 kqread syz-executor
8989 292006 152 0 3 0x10008a sigsusp ksh
152 129170 17317 0 3 0x98 kqread sshd-session
17317 479959 52204 0 3 0x92 kqread sshd-session
57303 413131 1 0 3 0x100083 ttyopn getty
52204 79928 1 0 3 0x88 kqread sshd
24658 497355 71186 74 3 0x1100092 bpf pflogd
71186 515727 1 0 3 0x80 sbwait pflogd
33961 372558 98791 73 3 0x1100090 kqread syslogd
98791 39737 1 0 3 0x100082 sbwait syslogd
92632 258616 1 0 3 0x100080 kqread resolvd
8134 42093 61426 77 3 0x100092 kqread dhcpleased
59639 96276 61426 77 3 0x100092 kqread dhcpleased
61426 180919 1 0 3 0x80 kqread dhcpleased
77731 242670 0 0 3 0x14200 bored smr
41698 369146 0 0 2 0x14200 zerothread
19632 218643 0 0 3 0x14200 aiodoned aiodoned
24090 164907 0 0 3 0x14200 syncer update
40785 50392 0 0 3 0x14200 cleaner cleaner
24524 14508 0 0 3 0x14200 reaper reaper
70175 365218 0 0 3 0x14200 pgdaemon pagedaemon
99401 69764 0 0 3 0x14200 bored viomb
45553 236649 0 0 3 0x40014200 acpi0 acpi0
15578 506299 0 0 3 0x40014200 idle1
6560 481444 0 0 3 0x14200 bored softnet1
69435 225575 0 0 2 0x14200 softnet0
62304 437468 0 0 3 0x14200 smrbar systqmp
78636 364387 0 0 3 0x14200 bored systq
67651 407732 0 0 3 0x14200 tmoslp softclockmp
6721 261579 0 0 3 0x40014200 tmoslp softclock
56895 138104 0 0 3 0x40014200 idle0
1 216609 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{1}> show all locks
Process 34781 (syz-executor) thread 0xffff8000fffee548 (264237)
exclusive rwlock clonelk r = 0 (0xffffffff8391f648)
#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 if_clone_destroy+0x93 sys/net/if.c:-1
#3 ifioctl+0x59d sys/net/if.c:2160
#4 sys_ioctl+0x674 sys/kern/sys_generic.c:-1
#5 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#5 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783
#6 Xsyscall+0x128
Process 32690 (syz-executor) thread 0xffff80003bbc74e8 (89368)
exclusive rwlock pf_lock r = 0 (0xffffffff8390ad98)
#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:3238
#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:783
#7 Xsyscall+0x128
exclusive rwlock pfioctl_rw r = 0 (0xffffffff8390ae28)
#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:783
#7 Xsyscall+0x128
exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83a3b000)
#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:783
#4 Xsyscall+0x128
Process 62304 (systqmp) thread 0xffff8000ffffe298 (437468)
shared rwlock systqmp r = 0 (0xffffffff839ca8e8)
#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 11073 12102K 12479K 166960K 12588 0
pcb 18 12K 12K 166960K 84 0
rtable 196 11K 12K 166960K 672 0
pf 39 18K 24K 166960K 207 0
ifaddr 35 5K 7K 166960K 103 0
ifgroup 59 2K 2K 166960K 134 0
sysctl 3 1K 9K 166960K 8 0
counters 72 37K 38K 166960K 134 0
ioctlops 1 2K 4K 166960K 1578 0
iov 0 0K 16K 166960K 18 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1353 85K 85K 166960K 1776 0
UFS quota 1 32K 32K 166960K 1 0
UFS mount 5 36K 36K 166960K 5 0
shm 2 1K 5K 166960K 8 0
VM map 2 1K 1K 166960K 2 0
sem 12 0K 0K 166960K 27 0
dirhash 12 2K 2K 166960K 15 0
ACPI 1692 195K 286K 166960K 12470 0
file desc 18 65K 244K 166960K 568 0
sigio 0 0K 0K 166960K 5 0
proc 72 115K 180K 166960K 801 0
subproc 72 4K 4K 166960K 153 0
NFS srvsock 1 0K 0K 166960K 1 0
NFS daemon 1 16K 16K 166960K 1 0
ip_moptions 0 0K 0K 166960K 48 0
in_multi 66 4K 7K 166960K 204 0
ether_multi 1 0K 0K 166960K 4 0
mrt 1 0K 0K 166960K 19 0
ISOFS mount 1 32K 32K 166960K 1 0
MSDOSFS mount 1 16K 16K 166960K 1 0
ttys 91 413K 413K 166960K 91 0
exec 0 0K 1K 166960K 618 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 238 168K 185K 166960K 6385 0
UVM aobj 49 2K 2K 166960K 50 0
pinsyscall 43 86K 100K 166960K 1945 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
ip6_options 0 0K 0K 166960K 10 0
NDP 13 0K 2K 166960K 72 0
temp 44 9115K 9174K 166960K 23535 0
kqueue 13 20K 26K 166960K 74 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 26 0 0 1 0 1 1 0 8 0
rtpcb 120 194 0 190 3 2 1 3 0 8 0
rtentry 176 216 0 137 6 0 6 6 0 8 0
unpcb 144 177 0 160 1 0 1 1 0 8 0
syncache 336 7 0 7 2 1 1 1 0 8 1
tcpcb 736 73 0 69 1 0 1 1 0 8 0
arp 136 37 0 24 1 0 1 1 0 8 0
inpcb 328 345 0 336 2 0 2 2 0 8 1
nd6 152 54 0 38 2 0 2 2 0 8 1
pkpcb 40 3 0 3 1 0 1 1 0 8 1
kcovpl 48 17 0 9 1 0 1 1 0 8 0
mppekey 1024 1 0 1 1 1 0 1 0 8 0
ppxss 1192 20 0 20 1 0 1 1 0 8 1
pppxif 1576 2 0 2 1 1 0 1 0 8 0
pfstscr 40 8 0 4 1 0 1 1 0 8 0
pffrag 232 19 0 17 1 0 1 1 0 482 0
pffrnode 88 19 0 17 1 0 1 1 0 8 0
pffrent 40 36 0 34 1 0 1 1 0 8 0
pfosfp 40 1428 0 1428 5 4 1 5 0 8 1
pfosfpen 112 1428 0 1428 21 4 17 21 0 8 17
pfrktable 1344 3 0 3 1 1 0 1 0 8 0
pfstlim 224 1 0 1 1 0 1 1 0 8 1
pfanchor 1288 14 0 2 1 0 1 1 0 8 0
pftag 88 5 0 2 1 0 1 1 0 8 0
pfstitem 24 73 0 4 1 0 1 1 0 8 0
pfstkey 128 81 0 12 3 0 3 3 0 8 0
pfstate 448 74 0 8 8 0 8 8 0 8 0
pfrule 1360 35 0 29 2 1 1 2 0 8 0
rttmr 136 1 0 1 1 1 0 1 0 8 0
art_heap8 4096 2 0 0 2 0 2 2 0 8 0
art_heap4 256 922 0 555 32 2 30 32 0 8 3
art_table 40 924 0 555 6 0 6 6 0 8 0
art_node 32 216 0 144 1 0 1 1 0 8 0
semupl 112 1 0 1 1 1 0 1 0 8 0
semapl 72 25 0 15 1 0 1 1 0 8 0
shmpl 112 47 0 1 2 0 2 2 0 8 0
dirhash 1024 19 0 2 3 0 3 3 0 8 0
dino2pl 256 2125 0 636 94 0 94 94 0 8 0
ffsino 296 2125 0 636 115 0 115 115 0 8 0
nchpl 144 2743 0 998 65 0 65 65 0 8 0
rtmask 32 2 0 2 1 1 0 1 0 8 0
vnodes 216 2528 0 0 141 0 141 141 0 8 0
namei 1024 10127 0 10127 2 1 1 2 0 8 1
percpumem 16 82 0 31 1 0 1 1 0 8 0
pfiaddrpl 120 1 0 1 1 1 0 1 0 8 0
kstatmem 264 83 0 52 3 0 3 3 0 8 0
scsiplug 72 4 0 4 1 0 1 1 0 8 1
scxspl 216 9745 0 9744 10 3 7 7 1 8 6
plimitpl 152 71 0 54 1 0 1 1 0 8 0
sigapl 424 879 0 810 9 0 9 9 0 8 1
knotepl 120 526 0 0 16 0 16 16 0 8 0
kqueuepl 224 115 0 102 1 0 1 1 0 8 0
pipepl 344 165 0 138 3 0 3 3 0 8 0
fdescpl 528 842 0 810 3 0 3 3 0 8 0
filepl 160 4320 0 4092 13 2 11 13 0 8 1
lockfpl 104 465 0 460 2 1 1 2 0 8 0
lockfspl 48 93 0 89 1 0 1 1 0 8 0
sessionpl 144 48 0 39 1 0 1 1 0 8 0
pgrppl 48 66 0 49 1 0 1 1 0 8 0
ucredpl 104 543 0 528 1 0 1 1 0 8 0
zombiepl 144 810 0 810 1 0 1 1 0 8 1
processpl 1232 879 0 810 6 0 6 6 0 8 0
procpl 664 1392 0 1312 9 1 8 8 0 8 1
sosppl 176 1 0 1 1 1 0 1 0 8 0
sockpl 752 734 0 704 11 5 6 11 0 8 3
mcl64k 65536 3 0 0 1 0 1 1 0 8 0
mcl12k 12288 1 0 0 1 0 1 1 0 8 0
mcl8k 8192 4 0 0 1 0 1 1 0 8 0
mcl4k 4096 114 0 0 15 1 14 15 0 8 0
mcl2k2 2112 2 0 0 1 0 1 1 0 8 0
mcl2k 2048 38 0 0 5 0 5 5 0 8 0
mtagpl 96 5 0 0 1 0 1 1 0 8 0
mbufpl 256 554 0 0 35 0 35 35 0 8 0
bufpl 280 3359 0 107 233 0 233 233 0 8 0
anonpl 32 7565 0 0 61 0 61 61 0 246 0
amapchunkpl 152 19646 0 19138 27 1 26 27 0 158 6
amappl16 200 2475 0 2208 20 5 15 15 0 8 0
amappl15 192 3 0 3 1 1 0 1 0 8 0
amappl14 184 548 0 546 1 0 1 1 0 8 0
amappl13 176 152 0 140 1 0 1 1 0 8 0
amappl12 168 1131 0 1100 2 0 2 2 0 8 0
amappl11 160 7 0 6 1 0 1 1 0 8 0
amappl10 152 74 0 60 1 0 1 1 0 8 0
amappl9 144 284 0 284 1 1 0 1 0 8 0
amappl8 136 132 0 130 1 0 1 1 0 8 0
amappl7 128 170 0 156 1 0 1 1 0 8 0
amappl6 120 245 0 242 1 0 1 1 0 8 0
amappl5 112 115 0 104 1 0 1 1 0 8 0
amappl4 104 340 0 319 1 0 1 1 0 8 0
amappl3 96 3852 0 3734 4 0 4 4 0 8 1
amappl2 88 646 0 583 2 0 2 2 0 8 0
amappl1 80 13686 0 13081 19 2 17 17 0 8 3
amappl 88 5443 0 5278 4 0 4 4 0 92 0
uvmvnodes 80 106 0 0 3 0 3 3 0 8 0
dma65536 65536 1 0 1 1 0 1 1 0 8 1
dma4096 4096 1 0 1 1 1 0 1 0 8 0
dma1024 1024 2 0 1 1 0 1 1 0 8 0
dma256 256 6 0 6 1 1 0 1 0 8 0
dma128 128 255 0 255 3 2 1 1 0 8 1
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 49 0 1 1 0 1 1 0 8 0
uaddrrnd 24 842 0 810 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 842 0 810 1 0 1 1 0 8 0
vmmpekpl 168 8918 0 8872 3 0 3 3 0 8 0
vmmpepl 168 63613 0 61425 99 0 99 99 0 357 3
vmsppl 488 841 0 810 5 0 5 5 0 8 1
rwobjpl 80 21017 0 19680 29 1 28 28 0 8 0
pdppl 4096 1691 0 1620 105 34 71 83 0 8 0
pvpl 32 14096 0 0 115 1 114 114 0 265 0
pmappl 256 841 0 810 3 0 3 3 0 8 1
extentpl 40 45 0 27 1 0 1 1 0 8 0
phpool 112 316 0 43 9 0 9 9 0 8 0
ddb{1}> machine ddbcpu 0
Stopped at x86_ipi_db+0x27: addq $0x8,%rsp
ddb{0}> trace
x86_ipi_db(ffffffff838f6ff0) 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(ffffffff83a3a800) at __mp_lock+0x199 __mp_lock_spin sys/kern/kern_lock.c:142 [inline]
__mp_lock(ffffffff83a3a800) at __mp_lock+0x199 sys/kern/kern_lock.c:173
intr_handler(ffff80003c47d9f0,ffff800000079600) at intr_handler+0xe9 sys/arch/amd64/amd64/intr.c:560
Xintr_ioapic_edge16_untramp() at Xintr_ioapic_edge16_untramp+0x18f
__mp_lock(ffffffff83a3a800) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline]
__mp_lock(ffffffff83a3a800) at __mp_lock+0x192 sys/kern/kern_lock.c:173
intr_handler(ffff80003c47db50,ffff8000002a3480) at intr_handler+0xe9 sys/arch/amd64/amd64/intr.c:560
Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f
__mp_lock(ffffffff83a3a800) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline]
__mp_lock(ffffffff83a3a800) at __mp_lock+0x192 sys/kern/kern_lock.c:173
ktrsyscall(ffff80003bbc7250,2e,18,ffff80003c47de00) at ktrsyscall+0x2c7 ktrwrite sys/kern/kern_ktrace.c:-1 [inline]
ktrsyscall(ffff80003bbc7250,2e,18,ffff80003c47de00) at ktrsyscall+0x2c7 sys/kern/kern_ktrace.c:183
syscall(ffff80003c47de00) at syscall+0x305 mi_syscall sys/sys/syscall_mi.h:154 [inline]
syscall(ffff80003c47de00) at syscall+0x305 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x76be448dd060, count: -13
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(ffffffff8391f740,9,0) at witness_checkorder+0x10d1 sys/kern/subr_witness.c:-1
rw_do_enter_write(ffffffff8391f728,0) at rw_do_enter_write+0xba sys/kern/kern_rwlock.c:234
uvn_io(ffffef806c10cb00,ffff80003c3dfff8,1,202,0) at uvn_io+0x54c sys/uvm/uvm_vnode.c:1243
uvn_get(ffffef806c10cb00,0,ffff80003c3e00c8,ffff80003c3e00ac,0,1,ce6f8e4eb9156905,1) at uvn_get+0x31d sys/uvm/uvm_vnode.c:1075
uvm_fault_lower_io(ffff80003c3e02e0,ffff80003c3e0318,ffff80003c3e0160,ffff80003c3e0148) at uvm_fault_lower_io+0x2ce sys/uvm/uvm_fault.c:1612
uvm_fault_lower(ffff80003c3e02e0,ffff80003c3e0318,ffff80003c3e0260) at uvm_fault_lower+0x28d sys/uvm/uvm_fault.c:1381
uvm_fault(ffffef800ee89020,200000000000,0,1) at uvm_fault+0x274 sys/uvm/uvm_fault.c:-1
kpageflttrap(ffff80003c3e0490,200000000200) at kpageflttrap+0x2f4 sys/arch/amd64/amd64/trap.c:283
kerntrap(ffff80003c3e0490) at kerntrap+0x19d sys/arch/amd64/amd64/trap.c:528
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
_copyin() at _copyin+0x5b
pfioctl(24900,c4504441,ffff800000c5f800,1,ffff80003bbc74e8) at pfioctl+0x13ff sys/net/pf_ioctl.c:3238
VOP_IOCTL(ffffef80632cf630,c4504441,ffff800000c5f800,1,ffffef80097fd270,ffff80003bbc74e8) at VOP_IOCTL+0xac sys/kern/vfs_vops.c:264
vn_ioctl(ffffef806c1b69a8,c4504441,ffff800000c5f800,ffff80003bbc74e8) at vn_ioctl+0xf8 sys/kern/vfs_vnops.c:537
sys_ioctl(ffff80003bbc74e8,ffff80003c3e1040,ffff80003c3e0f90) at sys_ioctl+0x674 sys/kern/sys_generic.c:-1
syscall(ffff80003c3e1040) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80003c3e1040) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xc0cfeadbf70, count: -18