login: panic: acquiring blockable sleep lock with spinlock or critical section held (kernel_lock) &kernel_lock
Stopped at db_enter+0x18: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
120816 71841 0 0 0 0 syz-executor3335769445
*516958 10349 0 0 0x4000000 1 syz-executor3335769445
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440
panic(ffffffff825a4184) at panic+0x177 sys/kern/subr_prf.c:202
witness_checkorder(ffffffff82a6f1a0,9,0) at witness_checkorder+0x116d sys/kern/subr_witness.c:833
__mp_lock(ffffffff82a6ef98) at __mp_lock+0xa1 read_rflags machine/cpufunc.h:195 [inline]
__mp_lock(ffffffff82a6ef98) at __mp_lock+0xa1 intr_disable machine/cpufunc.h:216 [inline]
__mp_lock(ffffffff82a6ef98) at __mp_lock+0xa1 sys/kern/kern_lock.c:142
selwakeup(fffffd8075287148) at selwakeup+0x16 klist_empty sys/sys/event.h:361 [inline]
selwakeup(fffffd8075287148) at selwakeup+0x16 sys/kern/sys_generic.c:885
sorwakeup(fffffd8075287030) at sorwakeup+0xc9 sys/kern/uipc_socket.c:1699
rip6_input(ffff80002121ad38,ffff80002121ad44,3a,18) at rip6_input+0x6bc sys/netinet6/raw_ip6.c:224
icmp6_input(ffff80002121ad38,ffff80002121ad44,3a,18) at icmp6_input+0x8e8 sys/netinet6/icmp6.c:762
ip_deliver(ffff80002121ad38,ffff80002121ad44,3a,18) at ip_deliver+0x322 sys/netinet/ip_input.c:657
ip6_input_if(ffff80002121ad38,ffff80002121ad44,29,0,ffff80000019f2a8) at ip6_input_if+0x920
ipv6_input(ffff80000019f2a8,fffffd806e525c00) at ipv6_input+0x48 sys/netinet6/ip6_input.c:169
if_input_local(ffff80000019f2a8,fffffd806e525c00,18) at if_input_local+0x136 sys/net/if.c:778
ip6_output(fffffd806f2eae00,ffff800000bc6180,fffffd806f682558,0,0,fffffd806f6824e0) at ip6_output+0xf57
rip6_output(fffffd807f00d000,fffffd8075287210,ffff80002121b0a0,0) at rip6_output+0x4ad sys/netinet6/raw_ip6.c:490
end trace frame: 0xffff80002121b140, 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{1}>
ddb{1}> set $lines = 0
ddb{1}> set $maxwidth = 0
ddb{1}> show panic
*cpu1: acquiring blockable sleep lock with spinlock or critical section held (kernel_lock) &kernel_lock
ddb{1}> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440
panic(ffffffff825a4184) at panic+0x177 sys/kern/subr_prf.c:202
witness_checkorder(ffffffff82a6f1a0,9,0) at witness_checkorder+0x116d sys/kern/subr_witness.c:833
__mp_lock(ffffffff82a6ef98) at __mp_lock+0xa1 read_rflags machine/cpufunc.h:195 [inline]
__mp_lock(ffffffff82a6ef98) at __mp_lock+0xa1 intr_disable machine/cpufunc.h:216 [inline]
__mp_lock(ffffffff82a6ef98) at __mp_lock+0xa1 sys/kern/kern_lock.c:142
selwakeup(fffffd8075287148) at selwakeup+0x16 klist_empty sys/sys/event.h:361 [inline]
selwakeup(fffffd8075287148) at selwakeup+0x16 sys/kern/sys_generic.c:885
sorwakeup(fffffd8075287030) at sorwakeup+0xc9 sys/kern/uipc_socket.c:1699
rip6_input(ffff80002121ad38,ffff80002121ad44,3a,18) at rip6_input+0x6bc sys/netinet6/raw_ip6.c:224
icmp6_input(ffff80002121ad38,ffff80002121ad44,3a,18) at icmp6_input+0x8e8 sys/netinet6/icmp6.c:762
ip_deliver(ffff80002121ad38,ffff80002121ad44,3a,18) at ip_deliver+0x322 sys/netinet/ip_input.c:657
ip6_input_if(ffff80002121ad38,ffff80002121ad44,29,0,ffff80000019f2a8) at ip6_input_if+0x920
ipv6_input(ffff80000019f2a8,fffffd806e525c00) at ipv6_input+0x48 sys/netinet6/ip6_input.c:169
if_input_local(ffff80000019f2a8,fffffd806e525c00,18) at if_input_local+0x136 sys/net/if.c:778
ip6_output(fffffd806f2eae00,ffff800000bc6180,fffffd806f682558,0,0,fffffd806f6824e0) at ip6_output+0xf57
rip6_output(fffffd807f00d000,fffffd8075287210,ffff80002121b0a0,0) at rip6_output+0x4ad sys/netinet6/raw_ip6.c:490
rip6_usrreq(fffffd8075287210,9,fffffd807f00d000,0,0,ffff8000ffff47e8) at rip6_usrreq+0x5d3 sys/netinet6/raw_ip6.c:679
sosend(fffffd8075287210,0,ffff80002121b2d8,0,0,0) at sosend+0x632 sys/kern/uipc_socket.c:582
dofilewritev(ffff8000ffff47e8,4,ffff80002121b2d8,0,ffff80002121b3d0) at dofilewritev+0x19c sys/kern/sys_generic.c:381
sys_write(ffff8000ffff47e8,ffff80002121b378,ffff80002121b3d0) at sys_write+0x83 sys/kern/sys_generic.c:301
syscall(ffff80002121b440) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff80002121b440) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x617be5a7560, count: -20
ddb{1}> show registers
rdi 0
rsi 0x1
rbp 0xffff80002121a740
rbx 0xffff800020ce9bff
rdx 0x3fd
rcx 0
rax 0x68
r8 0x101010101010101
r9 0x8080808080808080
r10 0xbf02893c4075f2b2
r11 0xd3c2f82308a646ba
r12 0xffff800020ce9a00
r13 0
r14 0
r15 0x1
rip 0xffffffff815a2d98 db_enter+0x18
cs 0x8
rflags 0x246
rsp 0xffff80002121a730
ss 0x10
db_enter+0x18: addq $0x8,%rsp
ddb{1}> show proc
PROC (syz-executor3335769445) pid=516958 stat=onproc
flags process=0 proc=4000000<THREAD>
pri=32, usrpri=86, nice=20
forw=0xffffffffffffffff, list=0xffff8000ffff57a8,0xffff8000ffff4d38
process=0xffff80002120f1f8 user=0xffff800021216000, vmspace=0xfffffd806d3ffa20
estcpu=36, cpticks=2, pctcpu=0.0
user=0, sys=1, intr=0
ddb{1}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
71841 120816 73211 0 7 0 syz-executor3335769445
71841 255984 73211 0 2 0x4000000 syz-executor3335769445
64778 152248 81976 0 2 0 syz-executor3335769445
64778 72398 81976 0 3 0x4000080 fsleep syz-executor3335769445
3014 45641 20047 0 2 0 syz-executor3335769445
3014 304605 20047 0 3 0x4000080 fsleep syz-executor3335769445
94693 34454 45227 0 2 0 syz-executor3335769445
94693 386627 45227 0 3 0x4000080 fsleep syz-executor3335769445
10349 384430 36825 0 2 0 syz-executor3335769445
*10349 516958 36825 0 7 0x4000000 syz-executor3335769445
10349 182247 36825 0 3 0x4000080 fsleep syz-executor3335769445
65014 244746 88885 0 2 0 syz-executor3335769445
65014 388818 88885 0 2 0x4000000 syz-executor3335769445
23563 229470 45639 0 2 0 syz-executor3335769445
23563 13545 45639 0 2 0x4000000 syz-executor3335769445
23563 178443 45639 0 3 0x4000080 fsleep syz-executor3335769445
53727 431277 63524 0 3 0x80 nanoslp syz-executor3335769445
45639 231103 63524 0 3 0x80 nanoslp syz-executor3335769445
20047 267504 63524 0 3 0x80 nanoslp syz-executor3335769445
36825 25143 63524 0 3 0x80 nanoslp syz-executor3335769445
88885 521584 63524 0 3 0x80 nanoslp syz-executor3335769445
45227 223730 63524 0 2 0x480 syz-executor3335769445
73211 203177 63524 0 2 0x480 syz-executor3335769445
81976 499982 63524 0 2 0x480 syz-executor3335769445
63524 98959 99885 0 3 0x82 nanoslp syz-executor3335769445
99885 5972 3788 0 3 0x10008a sigsusp ksh
3788 454111 74283 0 3 0x9a kqread sshd
40078 2413 1 0 3 0x100083 ttyin getty
74283 75078 1 0 3 0x88 kqread sshd
45557 457305 24510 74 3 0x1100092 bpf pflogd
24510 323196 1 0 3 0x80 netio pflogd
12994 182956 79675 73 3 0x1100090 kqread syslogd
79675 106197 1 0 3 0x100082 netio syslogd
20549 396312 1 0 3 0x100080 kqread resolvd
55422 73150 1555 77 3 0x100092 kqread dhcpleased
48713 453764 1555 77 3 0x100092 kqread dhcpleased
1555 311638 1 0 3 0x80 kqread dhcpleased
48535 222780 0 0 3 0x14200 bored smr
92164 93291 0 0 2 0x14200 zerothread
54429 88368 0 0 3 0x14200 aiodoned aiodoned
75053 302844 0 0 3 0x14200 syncer update
58732 427678 0 0 3 0x14200 cleaner cleaner
24975 336203 0 0 3 0x14200 reaper reaper
59853 490998 0 0 3 0x14200 pgdaemon pagedaemon
39195 450035 0 0 3 0x14200 bored viomb
66670 64492 0 0 3 0x40014200 acpi0 acpi0
84788 257508 0 0 3 0x40014200 idle1
4683 338952 0 0 3 0x14200 bored softnet
93430 471191 0 0 3 0x14200 bored systqmp
21633 387252 0 0 3 0x14200 bored systq
9160 118161 0 0 3 0x40014200 bored softclock
76226 179388 0 0 3 0x40014200 idle0
1 158581 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{1}> show all locks
CPU 1:
exclusive mutex &table->inpt_mtx r = 0 (0xffffffff82a21700)
#0 witness_lock+0x44d
#1 mtx_enter_try+0x100
#2 mtx_enter+0x4b sys/kern/kern_lock.c:266
#3 rip6_input+0x28f
#4 icmp6_input+0x8e8 sys/netinet6/icmp6.c:762
#5 ip_deliver+0x322 sys/netinet/ip_input.c:657
#6 ip6_input_if+0x920
#7 ipv6_input+0x48 sys/netinet6/ip6_input.c:169
#8 if_input_local+0x136 sys/net/if.c:778
#9 ip6_output+0xf57
#10 rip6_output+0x4ad sys/netinet6/raw_ip6.c:490
#11 rip6_usrreq+0x5d3 sys/netinet6/raw_ip6.c:679
#12 sosend+0x632 sys/kern/uipc_socket.c:582
#13 dofilewritev+0x19c sys/kern/sys_generic.c:381
#14 sys_write+0x83 sys/kern/sys_generic.c:301
#15 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#15 syscall+0x489 sys/arch/amd64/amd64/trap.c:585
#16 Xsyscall+0x128
Process 10349 (syz-executor3335769445) thread 0xffff8000ffff47e8 (516958)
exclusive rwlock netlock r = 0 (0xffffffff829bbd70)
#0 witness_lock+0x44d
#1 solock+0x86 sys/kern/uipc_socket2.c:295
#2 sosend+0x517 sys/kern/uipc_socket.c:570
#3 dofilewritev+0x19c sys/kern/sys_generic.c:381
#4 sys_write+0x83 sys/kern/sys_generic.c:301
#5 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#5 syscall+0x489 sys/arch/amd64/amd64/trap.c:585
#6 Xsyscall+0x128
exclusive mutex &table->inpt_mtx r = 0 (0xffffffff82a21700)
#0 witness_lock+0x44d
#1 mtx_enter_try+0x100
#2 mtx_enter+0x4b sys/kern/kern_lock.c:266
#3 rip6_input+0x28f
#4 icmp6_input+0x8e8 sys/netinet6/icmp6.c:762
#5 ip_deliver+0x322 sys/netinet/ip_input.c:657
#6 ip6_input_if+0x920
#7 ipv6_input+0x48 sys/netinet6/ip6_input.c:169
#8 if_input_local+0x136 sys/net/if.c:778
#9 ip6_output+0xf57
#10 rip6_output+0x4ad sys/netinet6/raw_ip6.c:490
#11 rip6_usrreq+0x5d3 sys/netinet6/raw_ip6.c:679
#12 sosend+0x632 sys/kern/uipc_socket.c:582
#13 dofilewritev+0x19c sys/kern/sys_generic.c:381
#14 sys_write+0x83 sys/kern/sys_generic.c:301
#15 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#15 syscall+0x489 sys/arch/amd64/amd64/trap.c:585
#16 Xsyscall+0x128
ddb{1}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 10149 6454K 6455K 78643K 11239 0
pcb 26 8K 8K 78643K 268 0
rtable 62 2K 2K 78643K 121 0
ifaddr 29 8K 8K 78643K 32 0
counters 40 33K 33K 78643K 40 0
ioctlops 0 0K 4K 78643K 1479 0
mount 1 1K 1K 78643K 1 0
log 0 0K 0K 78643K 4 0
vnodes 1167 73K 73K 78643K 1180 0
UFS quota 1 32K 32K 78643K 1 0
UFS mount 5 36K 36K 78643K 5 0
shm 2 1K 1K 78643K 2 0
VM map 2 1K 1K 78643K 2 0
sem 2 0K 0K 78643K 2 0
dirhash 12 2K 2K 78643K 12 0
ACPI 1697 195K 286K 78643K 12548 0
file desc 1 0K 0K 78643K 1 0
proc 67 87K 87K 78643K 282 0
NFS srvsock 1 0K 0K 78643K 1 0
NFS daemon 1 16K 16K 78643K 1 0
ip_moptions 7 0K 0K 78643K 124 0
in_multi 19 1K 1K 78643K 160 0
ether_multi 2 0K 0K 78643K 26 0
ISOFS mount 1 32K 32K 78643K 1 0
MSDOSFS mount 1 16K 16K 78643K 1 0
ttys 25 122K 122K 78643K 25 0
exec 0 0K 2K 78643K 452 0
tdb 3 0K 0K 78643K 3 0
pagedep 1 8K 8K 78643K 1 0
inodedep 1 32K 32K 78643K 1 0
newblk 1 0K 0K 78643K 1 0
VM swap 7 26K 26K 78643K 7 0
UVM amap 208 71K 71K 78643K 4068 0
UVM aobj 3 2K 2K 78643K 3 0
memdesc 1 4K 4K 78643K 1 0
crypto data 1 1K 1K 78643K 1 0
ip6_options 12 0K 0K 78643K 246 0
NDP 4 0K 0K 78643K 4 0
temp 24 4694K 4757K 78643K 3355 0
kqueue 11 16K 18K 78643K 24 0
SYN cache 2 16K 16K 78643K 2 0
ddb{1}> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
plcache 128 22 0 0 1 0 1 1 0 8 0
rtpcb 120 21 0 18 1 0 1 1 0 8 0
rtentry 112 23 0 1 1 0 1 1 0 8 0
unpcb 136 35 0 20 1 0 1 1 0 8 0
syncache 296 5 0 5 2 1 1 1 0 8 1
tcpcb 736 132 0 89 5 0 5 5 0 8 0
arp 120 2 0 0 1 0 1 1 0 8 0
inpcb 312 527 0 502 2 0 2 2 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
pfstitem 24 250 0 2 2 0 2 2 0 8 0
pfstkey 112 250 0 2 8 0 8 8 0 8 0
pfstate 320 250 0 2 21 0 21 21 0 8 0
pfrule 1360 21 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 96 0 0 6 0 6 6 0 8 0
art_table 32 97 0 0 1 0 1 1 0 8 0
art_node 16 22 0 2 1 0 1 1 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 1424 0 39 87 0 87 87 0 8 0
ffsino 272 1424 0 39 93 0 93 93 0 8 0
nchpl 144 1599 0 49 58 0 58 58 0 8 0
uvmvnodes 80 1434 0 0 30 0 30 30 0 8 0
vnodes 224 1434 0 0 85 0 85 85 0 8 0
namei 1024 4488 0 4488 2 1 1 1 0 8 1
percpumem 16 32 0 0 1 0 1 1 0 8 0
scxspl 216 4115 0 4115 10 7 3 8 0 8 3
plimitpl 152 24 0 9 1 0 1 1 0 8 0
sigapl 424 464 0 419 6 0 6 6 0 8 0
futexpl 64 1289 0 1284 1 0 1 1 0 8 0
knotepl 120 41 0 0 2 0 2 2 0 8 0
kqueuepl 216 20 0 13 1 0 1 1 0 8 0
pipepl 336 90 0 87 2 1 1 1 0 8 0
fdescpl 496 450 0 420 4 0 4 4 0 8 0
filepl 152 1664 0 1587 3 0 3 3 0 8 0
lockfpl 104 6 0 4 1 0 1 1 0 8 0
lockfspl 48 4 0 2 1 0 1 1 0 8 0
sessionpl 144 18 0 9 1 0 1 1 0 8 0
pgrppl 48 18 0 9 1 0 1 1 0 8 0
ucredpl 96 69 0 57 1 0 1 1 0 8 0
zombiepl 144 420 0 419 2 1 1 1 0 8 0
processpl 1064 464 0 419 4 0 4 4 0 8 0
procpl 672 650 0 596 5 0 5 5 0 8 0
sockpl 480 583 0 540 7 1 6 6 0 8 0
mcl8k 8192 2 0 0 1 0 1 1 0 8 0
mcl4k 4096 4 0 0 1 0 1 1 0 8 0
mcl2k 2048 65 0 0 8 0 8 8 0 8 0
mtagpl 96 3 0 0 1 0 1 1 0 8 0
mbufpl 256 120 0 0 7 0 7 7 0 8 0
bufpl 288 2021 0 90 138 0 138 138 0 8 0
anonpl 24 84428 0 79554 35 4 31 32 0 186 0
amapchunkpl 152 7993 0 7614 16 0 16 16 0 158 0
amappl16 200 153 0 146 2 1 1 1 0 8 0
amappl15 192 71 0 68 1 0 1 1 0 8 0
amappl13 176 34 0 33 2 1 1 1 0 8 0
amappl12 168 14 0 14 2 1 1 1 0 8 1
amappl11 160 53 0 39 1 0 1 1 0 8 0
amappl10 152 2 0 0 1 0 1 1 0 8 0
amappl9 144 462 0 460 1 0 1 1 0 8 0
amappl8 136 520 0 501 1 0 1 1 0 8 0
amappl7 128 66 0 63 1 0 1 1 0 8 0
amappl6 120 119 0 106 1 0 1 1 0 8 0
amappl5 112 181 0 169 1 0 1 1 0 8 0
amappl4 104 660 0 639 1 0 1 1 0 8 0
amappl3 96 126 0 117 1 0 1 1 0 8 0
amappl2 88 393 0 355 1 0 1 1 0 8 0
amappl1 80 11080 0 10566 13 2 11 11 0 8 0
amappl 88 3644 0 3468 5 0 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 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 2 0 0 1 0 1 1 0 8 0
uaddrrnd 24 450 0 420 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 450 0 420 1 0 1 1 0 8 0
vmmpekpl 168 7061 0 7039 2 0 2 2 0 8 0
vmmpepl 168 35921 0 34482 71 5 66 66 0 357 0
vmsppl 368 449 0 420 3 0 3 3 0 8 0
rwobjpl 56 12831 0 10665 31 0 31 31 0 8 0
pdppl 4096 907 0 840 97 28 69 69 0 8 2
pvpl 32 188078 0 180905 66 6 60 60 0 265 0
pmappl 248 449 0 420 2 0 2 2 0 8 0
extentpl 40 58 0 38 1 0 1 1 0 8 0
phpool 112 461 0 33 13 0 13 13 0 8 0
ddb{1}> machine ddbcpu 0
Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp
x86_ipi_db(ffffffff82986ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:393
x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23
end of kernel
end trace frame: 0x7f7ffffbcba0, count: 12
ddb{0}> trace
x86_ipi_db(ffffffff82986ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:393
x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23
end of kernel
end trace frame: 0x7f7ffffbcba0, count: -3
ddb{0}> machine ddbcpu 1
Stopped at db_enter+0x18: addq $0x8,%rsp
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440
panic(ffffffff825a4184) at panic+0x177 sys/kern/subr_prf.c:202
witness_checkorder(ffffffff82a6f1a0,9,0) at witness_checkorder+0x116d sys/kern/subr_witness.c:833
__mp_lock(ffffffff82a6ef98) at __mp_lock+0xa1 read_rflags machine/cpufunc.h:195 [inline]
__mp_lock(ffffffff82a6ef98) at __mp_lock+0xa1 intr_disable machine/cpufunc.h:216 [inline]
__mp_lock(ffffffff82a6ef98) at __mp_lock+0xa1 sys/kern/kern_lock.c:142
selwakeup(fffffd8075287148) at selwakeup+0x16 klist_empty sys/sys/event.h:361 [inline]
selwakeup(fffffd8075287148) at selwakeup+0x16 sys/kern/sys_generic.c:885
sorwakeup(fffffd8075287030) at sorwakeup+0xc9 sys/kern/uipc_socket.c:1699
rip6_input(ffff80002121ad38,ffff80002121ad44,3a,18) at rip6_input+0x6bc sys/netinet6/raw_ip6.c:224
icmp6_input(ffff80002121ad38,ffff80002121ad44,3a,18) at icmp6_input+0x8e8 sys/netinet6/icmp6.c:762
ip_deliver(ffff80002121ad38,ffff80002121ad44,3a,18) at ip_deliver+0x322 sys/netinet/ip_input.c:657
ip6_input_if(ffff80002121ad38,ffff80002121ad44,29,0,ffff80000019f2a8) at ip6_input_if+0x920
ipv6_input(ffff80000019f2a8,fffffd806e525c00) at ipv6_input+0x48 sys/netinet6/ip6_input.c:169
if_input_local(ffff80000019f2a8,fffffd806e525c00,18) at if_input_local+0x136 sys/net/if.c:778
ip6_output(fffffd806f2eae00,ffff800000bc6180,fffffd806f682558,0,0,fffffd806f6824e0) at ip6_output+0xf57
rip6_output(fffffd807f00d000,fffffd8075287210,ffff80002121b0a0,0) at rip6_output+0x4ad sys/netinet6/raw_ip6.c:490
end trace frame: 0xffff80002121b140, count: 0
ddb{1}> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440
panic(ffffffff825a4184) at panic+0x177 sys/kern/subr_prf.c:202
witness_checkorder(ffffffff82a6f1a0,9,0) at witness_checkorder+0x116d sys/kern/subr_witness.c:833
__mp_lock(ffffffff82a6ef98) at __mp_lock+0xa1 read_rflags machine/cpufunc.h:195 [inline]
__mp_lock(ffffffff82a6ef98) at __mp_lock+0xa1 intr_disable machine/cpufunc.h:216 [inline]
__mp_lock(ffffffff82a6ef98) at __mp_lock+0xa1 sys/kern/kern_lock.c:142
selwakeup(fffffd8075287148) at selwakeup+0x16 klist_empty sys/sys/event.h:361 [inline]
selwakeup(fffffd8075287148) at selwakeup+0x16 sys/kern/sys_generic.c:885
sorwakeup(fffffd8075287030) at sorwakeup+0xc9 sys/kern/uipc_socket.c:1699
rip6_input(ffff80002121ad38,ffff80002121ad44,3a,18) at rip6_input+0x6bc sys/netinet6/raw_ip6.c:224
icmp6_input(ffff80002121ad38,ffff80002121ad44,3a,18) at icmp6_input+0x8e8 sys/netinet6/icmp6.c:762
ip_deliver(ffff80002121ad38,ffff80002121ad44,3a,18) at ip_deliver+0x322 sys/netinet/ip_input.c:657
ip6_input_if(ffff80002121ad38,ffff80002121ad44,29,0,ffff80000019f2a8) at ip6_input_if+0x920
ipv6_input(ffff80000019f2a8,fffffd806e525c00) at ipv6_input+0x48 sys/netinet6/ip6_input.c:169
if_input_local(ffff80000019f2a8,fffffd806e525c00,18) at if_input_local+0x136 sys/net/if.c:778
ip6_output(fffffd806f2eae00,ffff800000bc6180,fffffd806f682558,0,0,fffffd806f6824e0) at ip6_output+0xf57
rip6_output(fffffd807f00d000,fffffd8075287210,ffff80002121b0a0,0) at rip6_output+0x4ad sys/netinet6/raw_ip6.c:490
rip6_usrreq(fffffd8075287210,9,fffffd807f00d000,0,0,ffff8000ffff47e8) at rip6_usrreq+0x5d3 sys/netinet6/raw_ip6.c:679
sosend(fffffd8075287210,0,ffff80002121b2d8,0,0,0) at sosend+0x632 sys/kern/uipc_socket.c:582
dofilewritev(ffff8000ffff47e8,4,ffff80002121b2d8,0,ffff80002121b3d0) at dofilewritev+0x19c sys/kern/sys_generic.c:381
sys_write(ffff8000ffff47e8,ffff80002121b378,ffff80002121b3d0) at sys_write+0x83 sys/kern/sys_generic.c:301
syscall(ffff80002121b440) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff80002121b440) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x617be5a7560, count: -20
ddb{1}>