witness: lock order reversal:
1st 0xffffffff83944978 pf_lock (pf_lock)
2nd 0xffffffff8390ad30 netlock (netlock)
lock order [1] pf_lock (pf_lock) -> [2] netlock (netlock)
#0 rw_do_enter_write+0xae sys/kern/kern_rwlock.c:234
#1 uvn_io+0x54c sys/uvm/uvm_vnode.c:1244
#2 uvn_get+0x31d sys/uvm/uvm_vnode.c:1076
#3 uvm_fault_lower_io+0x2ce sys/uvm/uvm_fault.c:1612
#4 uvm_fault_lower+0x274 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+0x1377 sys/net/pf_ioctl.c:3284
#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+0xae 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+0x182b sys/dev/pv/if_vio.c:935
#6 config_attach+0x449 sys/kern/subr_autoconf.c:421
#7 virtio_pci_attach+0x4fd sys/dev/pci/virtio_pci.c:673
#8 config_attach+0x449 sys/kern/subr_autoconf.c:421
#9 pci_probe_device+0x917 sys/dev/pci/pci.c:574
#10 pci_enumerate_bus+0x358 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(ffffffff8390ad30,9,0) at witness_checkorder+0x10cd sys/kern/subr_witness.c:-1
rw_do_enter_write(ffffffff8390ad18,0) at rw_do_enter_write+0xae sys/kern/kern_rwlock.c:234
uvn_io(fffff9806d59dbf0,ffff80002a34bf78,1,202,0) at uvn_io+0x54c sys/uvm/uvm_vnode.c:1244
uvn_get(fffff9806d59dbf0,0,ffff80002a34c048,ffff80002a34c02c,0,1,c354fd03d7c8bd12,1) at uvn_get+0x31d sys/uvm/uvm_vnode.c:1076
uvm_fault_lower_io(ffff80002a34c260,ffff80002a34c298,ffff80002a34c0d8,ffff80002a34c0c8) at uvm_fault_lower_io+0x2ce sys/uvm/uvm_fault.c:1612
uvm_fault_lower(ffff80002a34c260,ffff80002a34c298,ffff80002a34c1e0) at uvm_fault_lower+0x274 sys/uvm/uvm_fault.c:1381
uvm_fault(fffff9806e1a2b80,200000001000,0,1) at uvm_fault+0x274 sys/uvm/uvm_fault.c:-1
kpageflttrap(ffff80002a34c410,200000001200) at kpageflttrap+0x2f4 sys/arch/amd64/amd64/trap.c:285
kerntrap(ffff80002a34c410) 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,ffff800001619800,1,ffff80002a2daa98) at pfioctl+0x1377 sys/net/pf_ioctl.c:3284
VOP_IOCTL(fffff980783fd040,c4504441,ffff800001619800,1,fffff980097fd4e0,ffff80002a2daa98) at VOP_IOCTL+0xac sys/kern/vfs_vops.c:264
vn_ioctl(fffff9806c7b80e8,c4504441,ffff800001619800,ffff80002a2daa98) at vn_ioctl+0xf8 sys/kern/vfs_vnops.c:537
sys_ioctl(ffff80002a2daa98,ffff80002a34cfc0,ffff80002a34cf10) at sys_ioctl+0x674 sys/kern/sys_generic.c:-1
syscall(ffff80002a34cfc0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002a34cfc0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:791
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x448f8ebe70, count: -18
ddb{1}> show registers
rdi 0
rsi 0x80000 acpi_pdirpa+0x6be71
rbp 0xffff80002a34bd30
rbx 0
rdx 0xffff80000002a640
rcx 0xffff80002a2daa98
rax 0x7ffff acpi_pdirpa+0x6be70
r8 0xffff80002a34bc10
r9 0x8080808080808080
r10 0x22e07a73396994b7
r11 0x8c1bc7acb88cd3bd
r12 0xfffff980040f42c0
r13 0xfffff980048e4670
r14 0x3
r15 0xffffffff835541b0 substchar+0xbba1
rip 0xffffffff81432565 db_enter+0x25
cs 0x8
rflags 0x246
rsp 0xffff80002a34bd20
ss 0x10
db_enter+0x25: addq $0x8,%rsp
ddb{1}> show proc
PROC (syz-executor) tid=176341 pid=13244 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=0xffff80002a2da568,0xffff80002a2da2e0
process=0xffff800045ff3560 user=0xffff80002a348000, vmspace=0xfffff9806e1a2b80
estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0
ddb{1}> ps
PID TID PPID UID S PRLAGS PFLAGS WAIT COMMAND
70582 325543 42041 0 2 0 0 syz-executor
70582 192796 42041 0 2 0 0x4000000 syz-executor
3003 61360 91011 0 3 0x2 0 clonelk ifconfig
13244 522227 96461 0 2 0 0 syz-executor
*13244 176341 96461 0 7 0 0x4000000 syz-executor
91011 4253 41902 0 3 0x100002 0x88 sigsusp sh
83893 370833 35707 0 2 0 0xc80 syz-executor
83893 122945 35707 0 3 0 0x4000080 kqpoll syz-executor
83893 402694 35707 0 3 0 0x4000080 kqpoll syz-executor
83893 110144 35707 0 3 0 0x4000080 fsleep syz-executor
41902 54812 76638 0 3 0x2 0x80 wait syz-executor
27056 21040 68157 0 3 0x10 0x80 nanoslp syz-executor
27056 185715 68157 0 3 0x10 0x4000080 sbwait syz-executor
27056 390384 68157 0 3 0x10 0x4000080 fsleep syz-executor
27056 42669 68157 0 3 0x10 0x4000080 fsleep syz-executor
35707 519668 76638 0 2 0x2 0xc80 syz-executor
68157 421712 76638 0 7 0x2 0x1 syz-executor
42041 106802 76638 0 3 0x2 0x80 nanoslp syz-executor
41718 247204 0 0 3 0x14000 0x280 nfsidl nfsio
61983 61180 0 0 3 0x14000 0x280 nfsidl nfsio
21574 466324 0 0 3 0x14000 0x280 nfsidl nfsio
92251 406495 0 0 3 0x14000 0x280 nfsidl nfsio
85240 156247 0 0 3 0x14000 0x280 nfsidl nfsio
4134 77230 0 0 3 0x14000 0x280 nfsidl nfsio
45696 219519 0 0 3 0x14000 0x280 nfsidl nfsio
15422 356872 0 0 3 0x14000 0x280 nfsidl nfsio
95262 357931 0 0 3 0x14000 0x280 nfsidl nfsio
840 56143 0 0 3 0x14000 0x280 nfsidl nfsio
72730 314165 0 0 3 0x14000 0x280 nfsidl nfsio
82364 71593 0 0 3 0x14000 0x280 nfsidl nfsio
70741 522704 0 0 3 0x14000 0x280 nfsidl nfsio
54505 216476 0 0 3 0x14000 0x280 nfsidl nfsio
42595 126748 0 0 3 0x14000 0x280 nfsidl nfsio
37446 112984 0 0 3 0x14000 0x280 nfsidl nfsio
71092 326719 0 0 3 0x14000 0x280 nfsidl nfsio
15165 431602 0 0 3 0x14000 0x280 nfsidl nfsio
45496 397271 0 0 3 0x14000 0x280 nfsidl nfsio
25686 343022 0 0 3 0x14000 0x280 nfsidl nfsio
28040 333529 76638 0 3 0x2 0x80 piperd syz-executor
96461 341105 76638 0 2 0x2 0xc80 syz-executor
76638 3865 2696 0 3 0x2 0x80 wait syz-executor
2696 19702 67419 0 3 0x100002 0x88 sigsusp ksh
67419 434417 37450 0 3 0x10 0x88 kqread sshd-session
37450 420672 87075 0 3 0x12 0x80 kqread sshd-session
22949 26773 1 0 3 0x100003 0x80 ttyin getty
87075 130734 1 0 3 0 0x88 kqread sshd
9403 131121 48561 74 3 0x1100012 0x80 bpf pflogd
48561 324191 1 0 3 0 0x80 sbwait pflogd
85651 108365 8982 73 3 0x1100010 0x80 kqread syslogd
8982 464200 1 0 3 0x100002 0x80 sbwait syslogd-parent
872 443494 1 0 3 0x100000 0x80 kqread resolvd
93969 462342 73084 77 3 0x100012 0x80 kqread dhcpleased
68967 78085 73084 77 3 0x100012 0x80 kqread dhcpleased
73084 51914 1 0 3 0 0x80 kqread dhcpleased
70942 13043 0 0 3 0x14000 0x200 bored smr
51300 358909 0 0 2 0x14000 0x200 zerothread
16621 178055 0 0 3 0x14000 0x200 aiodoned aiodoned
76569 249938 0 0 3 0x14000 0x200 syncer update
82949 141908 0 0 3 0x14000 0x200 cleaner cleaner
37399 493 0 0 3 0x14000 0x200 reaper reaper
39603 45705 0 0 3 0x14000 0x200 pgdaemon pagedaemon
85897 503583 0 0 3 0x14000 0x200 bored viomb
87638 492256 0 0 3 0x14000 0x40000200 acpi0 acpi0
75847 77591 0 0 3 0x14000 0x40000200 idle1
10165 199981 0 0 3 0x14000 0x200 bored softnet1
85575 5359 0 0 2 0x14000 0x200 softnet0
56761 216699 0 0 3 0x14000 0x200 bored systqmp
48978 510040 0 0 3 0x14000 0x200 bored systq
49215 245638 0 0 3 0x14000 0x200 tmoslp softclockmp
60247 218144 0 0 3 0x14000 0x40000200 tmoslp softclock
18241 302709 0 0 3 0x14000 0x40000200 idle0
1 508962 0 0 3 0x2 0x80 wait init
0 0 -1 0 3 0x10000 0x200 scheduler swapper
ddb{1}> show all locks
Process 13244 (syz-executor) thread 0xffff80002a2daa98 (176341)
exclusive rwlock pf_lock r = 0 (0xffffffff83944978)
#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+0x42c sys/kern/kern_rwlock.c:320
#2 pfioctl+0x1342 sys/net/pf_ioctl.c:3284
#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 (0xffffffff83944a08)
#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+0x42c sys/kern/kern_rwlock.c:320
#2 pfioctl+0x1d4 sys/net/pf_ioctl.c:2064
#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 (0xffffffff83b2eb00)
#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 11051 12082K 12095K 166960K 12297 0
pcb 18 12K 12K 166960K 33 0
rtable 228 8K 9K 166960K 899 0
pf 32 17K 24K 166960K 123 0
ifaddr 39 7K 7K 166960K 126 0
ifgroup 51 2K 2K 166960K 141 0
sysctl 2 1K 9K 166960K 6 0
counters 68 36K 37K 166960K 124 0
ioctlops 1 2K 4K 166960K 1515 0
iov 0 0K 12K 166960K 5 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1294 81K 81K 166960K 1575 0
UFS quota 1 32K 32K 166960K 1 0
UFS mount 5 36K 36K 166960K 5 0
shm 2 1K 1K 166960K 2 0
VM map 2 1K 1K 166960K 2 0
sem 6 0K 0K 166960K 10 0
dirhash 12 2K 2K 166960K 12 0
ACPI 1734 201K 291K 166960K 11964 0
file desc 16 57K 93K 166960K 483 0
sigio 0 0K 0K 166960K 1 0
proc 80 131K 164K 166960K 1061 0
subproc 72 4K 4K 166960K 234 0
NFS srvsock 1 0K 0K 166960K 1 0
NFS daemon 1 16K 16K 166960K 1 0
ip_moptions 0 0K 0K 166960K 76 0
in_multi 88 5K 6K 166960K 288 0
ether_multi 1 0K 0K 166960K 1 0
mrt 0 0K 0K 166960K 12 0
ISOFS mount 1 32K 32K 166960K 1 0
MSDOSFS mount 1 16K 16K 166960K 1 0
ttys 49 228K 228K 166960K 49 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 216 159K 173K 166960K 5212 0
UVM aobj 4 2K 2K 166960K 4 0
pinsyscall 41 82K 103K 166960K 2075 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
ip6_options 0 0K 0K 166960K 1 0
NDP 19 1K 2K 166960K 88 0
temp 38 9122K 9142K 166960K 10136 0
kqueue 13 20K 24K 166960K 35 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 84 0 79 1 0 1 1 0 8 0
rtentry 176 302 0 201 6 0 6 6 0 8 0
unpcb 144 126 0 107 4 0 4 4 0 8 3
syncache 336 4 0 4 1 1 0 1 0 8 0
tcpcb 736 26 0 21 1 0 1 1 0 8 0
arp 136 53 0 36 1 0 1 1 0 8 0
inpcb 328 197 0 185 2 0 2 2 0 8 0
nd6 152 76 0 55 1 0 1 1 0 8 0
pkpcb 40 2 0 2 1 0 1 1 0 8 1
kcovpl 48 26 0 18 1 0 1 1 0 8 0
ppxss 1192 10 0 10 1 0 1 1 0 8 1
pffrag 232 1 0 0 1 0 1 1 0 482 0
pffrnode 88 1 0 0 1 0 1 1 0 8 0
pffrent 40 2 0 1 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
pfanchor 1288 11 0 0 1 0 1 1 0 8 0
pfstitem 24 30 0 0 1 0 1 1 0 8 0
pfstkey 128 30 0 0 1 0 1 1 0 8 0
pfstate 448 30 0 0 4 0 4 4 0 8 0
pfrule 1360 21 0 16 2 1 1 2 0 8 0
rttmr 136 1 0 1 1 0 1 1 0 8 1
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 1259 0 806 32 0 32 32 0 8 0
art_table 40 1260 0 806 6 0 6 6 0 8 0
art_node 32 302 0 210 1 0 1 1 0 8 0
semapl 72 8 0 4 1 0 1 1 0 8 0
shmpl 120 1 0 0 1 0 1 1 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 1752 0 242 95 0 95 95 0 8 0
ffsino 296 1752 0 242 117 0 117 117 0 8 0
nchpl 144 2077 0 284 67 0 67 67 0 8 0
vnodes 216 2028 0 0 113 0 113 113 0 8 0
namei 1024 9465 0 9465 3 1 2 2 0 8 2
percpumem 16 78 0 28 1 0 1 1 0 8 0
kstatmem 264 79 0 54 3 0 3 3 0 8 1
scxspl 216 7060 0 7060 3 2 1 2 1 8 1
plimitpl 152 59 0 42 1 0 1 1 0 8 0
sigapl 424 774 0 708 9 1 8 8 0 8 0
knotepl 120 309 0 0 10 0 10 10 0 8 0
kqueuepl 224 45 0 34 1 0 1 1 0 8 0
pipepl 344 196 0 169 3 0 3 3 0 8 0
fdescpl 528 738 0 708 3 0 3 3 0 8 0
filepl 160 2635 0 2416 13 0 13 13 0 8 3
lockfpl 104 44 0 41 1 0 1 1 0 8 0
lockfspl 48 23 0 20 1 0 1 1 0 8 0
sessionpl 144 43 0 34 1 0 1 1 0 8 0
pgrppl 48 69 0 52 1 0 1 1 0 8 0
ucredpl 104 193 0 179 1 0 1 1 0 8 0
zombiepl 144 710 0 708 1 0 1 1 0 8 0
processpl 1240 774 0 708 6 0 6 6 0 8 0
procpl 664 958 0 884 8 1 7 7 0 8 0
sockpl 752 410 0 374 11 0 11 11 0 8 7
mcl64k 65536 1 0 0 1 0 1 1 0 8 0
mcl8k 8192 5 0 0 1 0 1 1 0 8 0
mcl4k 4096 124 0 0 16 0 16 16 0 8 0
mcl2k 2048 28 0 0 4 0 4 4 0 8 0
mextrefs 64 26 0 0 1 0 1 1 0 8 0
mtagpl 96 1 0 0 1 0 1 1 0 8 0
mbufpl 256 255 0 0 16 0 16 16 0 8 0
bufpl 272 2610 0 91 168 0 168 168 0 8 0
anonpl 32 5309 0 0 43 0 43 43 0 247 0
amapchunkpl 152 14576 0 14154 24 1 23 23 0 158 6
amappl16 200 1562 0 1545 5 3 2 5 0 8 0
amappl15 192 5 0 5 1 1 0 1 0 8 0
amappl14 184 621 0 619 1 0 1 1 0 8 0
amappl13 176 152 0 140 1 0 1 1 0 8 0
amappl12 168 1050 0 1021 2 0 2 2 0 8 0
amappl11 160 25 0 25 1 1 0 1 0 8 0
amappl10 152 66 0 53 1 0 1 1 0 8 0
amappl9 144 283 0 283 1 1 0 1 0 8 0
amappl8 136 161 0 158 1 0 1 1 0 8 0
amappl7 128 174 0 162 1 0 1 1 0 8 0
amappl6 120 219 0 217 1 0 1 1 0 8 0
amappl5 112 223 0 212 1 0 1 1 0 8 0
amappl4 104 365 0 347 1 0 1 1 0 8 0
amappl3 96 2847 0 2740 4 0 4 4 0 8 1
amappl2 88 521 0 463 2 0 2 2 0 8 0
amappl1 80 12860 0 12254 15 0 15 15 0 8 2
amappl 88 4206 0 4063 4 0 4 4 0 92 0
uvmvnodes 80 105 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 3 0 0 1 0 1 1 0 8 0
uaddrrnd 24 738 0 708 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 738 0 708 1 0 1 1 0 8 0
vmmpekpl 168 7481 0 7424 3 0 3 3 0 8 0
vmmpepl 168 56084 0 54305 86 0 86 86 0 357 4
vmsppl 488 737 0 708 5 0 5 5 0 8 1
rwobjpl 80 18695 0 17672 24 0 24 24 0 8 2
pdppl 4096 1484 0 1416 106 34 72 86 0 8 4
pvpl 32 11680 0 0 95 0 95 95 0 265 0
pmappl 256 737 0 708 3 0 3 3 0 8 0
extentpl 40 46 0 28 1 0 1 1 0 8 0
phpool 112 460 0 39 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(ffffffff8397fff0) 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+0x2c kd_curproc sys/dev/kcov.c:584 [inline]
__sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x2c sys/dev/kcov.c:153
__mp_lock(ffffffff83b2e300) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:142 [inline]
__mp_lock(ffffffff83b2e300) at __mp_lock+0x1a3 sys/kern/kern_lock.c:173
intr_handler(ffff80002a334c20,ffff80000006e200) at intr_handler+0xe9 sys/arch/amd64/amd64/intr.c:560
Xintr_ioapic_edge16_untramp() at Xintr_ioapic_edge16_untramp+0x18f
__mp_lock(ffffffff83b2e300) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline]
__mp_lock(ffffffff83b2e300) at __mp_lock+0x192 sys/kern/kern_lock.c:173
softintr_dispatch(0) at softintr_dispatch+0x14e sys/kern/kern_softintr.c:83
dosoftint(0) at dosoftint+0x54 sys/arch/amd64/amd64/intr.c:862
Xsoftclock() at Xsoftclock+0x27
__sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x33 kd_curproc sys/dev/kcov.c:585 [inline]
__sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x33 sys/dev/kcov.c:153
__mp_lock(ffffffff83b2e300) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:142 [inline]
__mp_lock(ffffffff83b2e300) at __mp_lock+0x1a3 sys/kern/kern_lock.c:173
ktrsyscall(ffff8000393aba18,b,20,ffff80002a335070) at ktrsyscall+0x2ce ktrwrite sys/kern/kern_ktrace.c:-1 [inline]
ktrsyscall(ffff8000393aba18,b,20,ffff80002a335070) at ktrsyscall+0x2ce sys/kern/kern_ktrace.c:183
syscall(ffff80002a335070) at syscall+0x305 mi_syscall sys/sys/syscall_mi.h:154 [inline]
syscall(ffff80002a335070) at syscall+0x305 sys/arch/amd64/amd64/trap.c:791
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7a396272b020, count: -16
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(ffffffff8390ad30,9,0) at witness_checkorder+0x10cd sys/kern/subr_witness.c:-1
rw_do_enter_write(ffffffff8390ad18,0) at rw_do_enter_write+0xae sys/kern/kern_rwlock.c:234
uvn_io(fffff9806d59dbf0,ffff80002a34bf78,1,202,0) at uvn_io+0x54c sys/uvm/uvm_vnode.c:1244
uvn_get(fffff9806d59dbf0,0,ffff80002a34c048,ffff80002a34c02c,0,1,c354fd03d7c8bd12,1) at uvn_get+0x31d sys/uvm/uvm_vnode.c:1076
uvm_fault_lower_io(ffff80002a34c260,ffff80002a34c298,ffff80002a34c0d8,ffff80002a34c0c8) at uvm_fault_lower_io+0x2ce sys/uvm/uvm_fault.c:1612
uvm_fault_lower(ffff80002a34c260,ffff80002a34c298,ffff80002a34c1e0) at uvm_fault_lower+0x274 sys/uvm/uvm_fault.c:1381
uvm_fault(fffff9806e1a2b80,200000001000,0,1) at uvm_fault+0x274 sys/uvm/uvm_fault.c:-1
kpageflttrap(ffff80002a34c410,200000001200) at kpageflttrap+0x2f4 sys/arch/amd64/amd64/trap.c:285
kerntrap(ffff80002a34c410) 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,ffff800001619800,1,ffff80002a2daa98) at pfioctl+0x1377 sys/net/pf_ioctl.c:3284
VOP_IOCTL(fffff980783fd040,c4504441,ffff800001619800,1,fffff980097fd4e0,ffff80002a2daa98) at VOP_IOCTL+0xac sys/kern/vfs_vops.c:264
vn_ioctl(fffff9806c7b80e8,c4504441,ffff800001619800,ffff80002a2daa98) at vn_ioctl+0xf8 sys/kern/vfs_vnops.c:537
sys_ioctl(ffff80002a2daa98,ffff80002a34cfc0,ffff80002a34cf10) at sys_ioctl+0x674 sys/kern/sys_generic.c:-1
syscall(ffff80002a34cfc0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002a34cfc0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:791
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x448f8ebe70, count: -18