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
*470996 89265 0 0 0 1 syz-executor3271425245
4946 47649 0 0 0 0 syz-executor3271425245
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440
panic(ffffffff825a0385) at panic+0x177 sys/kern/subr_prf.c:202
witness_checkorder(ffffffff82b7e900,9,0) at witness_checkorder+0x116d sys/kern/subr_witness.c:833
__mp_lock(ffffffff82b7e6f8) at __mp_lock+0xa1 read_rflags machine/cpufunc.h:195 [inline]
__mp_lock(ffffffff82b7e6f8) at __mp_lock+0xa1 intr_disable machine/cpufunc.h:216 [inline]
__mp_lock(ffffffff82b7e6f8) at __mp_lock+0xa1 sys/kern/kern_lock.c:142
selwakeup(fffffd806d3226d8) at selwakeup+0x16 klist_empty sys/sys/event.h:361 [inline]
selwakeup(fffffd806d3226d8) at selwakeup+0x16 sys/kern/sys_generic.c:885
sorwakeup(fffffd806d3225c0) at sorwakeup+0xc9 sys/kern/uipc_socket.c:1699
rip6_input(ffff800021203c88,ffff800021203c94,85,18) at rip6_input+0x692 sys/netinet6/raw_ip6.c:224
ip_deliver(ffff800021203c88,ffff800021203c94,85,18) at ip_deliver+0x322 sys/netinet/ip_input.c:657
ip6_input_if(ffff800021203c88,ffff800021203c94,29,0,ffff80000019f2a8) at ip6_input_if+0x920
ipv6_input(ffff80000019f2a8,fffffd806d29a200) at ipv6_input+0x48 sys/netinet6/ip6_input.c:169
if_input_local(ffff80000019f2a8,fffffd806d29a200,18) at if_input_local+0x136 sys/net/if.c:778
ip6_output(fffffd806d356a00,ffff800000bc6200,fffffd806f67b900,0,0,fffffd806f67b888) at ip6_output+0xf57
rip6_output(fffffd806d356a00,fffffd806d322200,ffff800021203ff0,0) at rip6_output+0x4ad sys/netinet6/raw_ip6.c:490
rip6_usrreq(fffffd806d322200,9,fffffd806d356a00,0,0,ffff80002115fa40) at rip6_usrreq+0x5d3 sys/netinet6/raw_ip6.c:679
end trace frame: 0xffff800021204170, 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(ffffffff825a0385) at panic+0x177 sys/kern/subr_prf.c:202
witness_checkorder(ffffffff82b7e900,9,0) at witness_checkorder+0x116d sys/kern/subr_witness.c:833
__mp_lock(ffffffff82b7e6f8) at __mp_lock+0xa1 read_rflags machine/cpufunc.h:195 [inline]
__mp_lock(ffffffff82b7e6f8) at __mp_lock+0xa1 intr_disable machine/cpufunc.h:216 [inline]
__mp_lock(ffffffff82b7e6f8) at __mp_lock+0xa1 sys/kern/kern_lock.c:142
selwakeup(fffffd806d3226d8) at selwakeup+0x16 klist_empty sys/sys/event.h:361 [inline]
selwakeup(fffffd806d3226d8) at selwakeup+0x16 sys/kern/sys_generic.c:885
sorwakeup(fffffd806d3225c0) at sorwakeup+0xc9 sys/kern/uipc_socket.c:1699
rip6_input(ffff800021203c88,ffff800021203c94,85,18) at rip6_input+0x692 sys/netinet6/raw_ip6.c:224
ip_deliver(ffff800021203c88,ffff800021203c94,85,18) at ip_deliver+0x322 sys/netinet/ip_input.c:657
ip6_input_if(ffff800021203c88,ffff800021203c94,29,0,ffff80000019f2a8) at ip6_input_if+0x920
ipv6_input(ffff80000019f2a8,fffffd806d29a200) at ipv6_input+0x48 sys/netinet6/ip6_input.c:169
if_input_local(ffff80000019f2a8,fffffd806d29a200,18) at if_input_local+0x136 sys/net/if.c:778
ip6_output(fffffd806d356a00,ffff800000bc6200,fffffd806f67b900,0,0,fffffd806f67b888) at ip6_output+0xf57
rip6_output(fffffd806d356a00,fffffd806d322200,ffff800021203ff0,0) at rip6_output+0x4ad sys/netinet6/raw_ip6.c:490
rip6_usrreq(fffffd806d322200,9,fffffd806d356a00,0,0,ffff80002115fa40) at rip6_usrreq+0x5d3 sys/netinet6/raw_ip6.c:679
sosend(fffffd806d322200,0,ffff800021204228,0,0,0) at sosend+0x632 sys/kern/uipc_socket.c:582
dofilewritev(ffff80002115fa40,4,ffff800021204228,0,ffff800021204320) at dofilewritev+0x19c sys/kern/sys_generic.c:381
sys_write(ffff80002115fa40,ffff8000212042c8,ffff800021204320) at sys_write+0x83 sys/kern/sys_generic.c:301
syscall(ffff800021204390) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff800021204390) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffc0ef0, count: -19
ddb{1}> show registers
rdi 0
rsi 0x1
rbp 0xffff8000212037a0
rbx 0xffff800020ce9bff
rdx 0x3fd
rcx 0
rax 0x68
r8 0x101010101010101
r9 0x8080808080808080
r10 0x7beb66679ac2adab
r11 0x80e3a55354da103c
r12 0xffff800020ce9a00
r13 0
r14 0
r15 0x1
rip 0xffffffff81828e88 db_enter+0x18
cs 0x8
rflags 0x246
rsp 0xffff800021203790
ss 0x10
db_enter+0x18: addq $0x8,%rsp
ddb{1}> show proc
PROC (syz-executor3271425245) pid=470996 stat=onproc
flags process=0 proc=0
pri=4, usrpri=50, nice=20
forw=0xffffffffffffffff, list=0xffff80002115fce0,0xffff80002115f7b0
process=0xffff8000ffffa570 user=0xffff8000211ff000, vmspace=0xfffffd806d553e70
estcpu=0, cpticks=1, pctcpu=0.0
user=0, sys=1, intr=0
ddb{1}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
2119 340300 98653 0 2 0 syz-executor3271425245
90848 422240 71733 0 2 0 syz-executor3271425245
43227 139581 47649 0 2 0 syz-executor3271425245
38629 358508 24500 0 3 0 netlock syz-executor3271425245
31330 140632 443 0 2 0 syz-executor3271425245
28452 273076 49286 0 2 0 syz-executor3271425245
*89265 470996 15964 0 7 0 syz-executor3271425245
71733 147071 49286 0 3 0x80 nanoslp syz-executor3271425245
98653 520960 49286 0 3 0x80 nanoslp syz-executor3271425245
443 179982 49286 0 3 0x80 nanoslp syz-executor3271425245
47649 4946 49286 0 7 0 syz-executor3271425245
65176 329588 10170 0 2 0 syz-executor3271425245
24500 377022 49286 0 3 0x80 nanoslp syz-executor3271425245
15964 209198 49286 0 3 0x80 nanoslp syz-executor3271425245
10170 108934 49286 0 3 0x80 nanoslp syz-executor3271425245
49286 384835 25534 0 2 0x2 syz-executor3271425245
25534 63382 78883 0 3 0x10008a sigsusp ksh
78883 452007 85985 0 2 0x12 sshd
10103 412396 1 0 3 0x100083 ttyin getty
85985 77092 1 0 3 0x88 kqread sshd
51130 135263 26245 74 3 0x1100092 bpf pflogd
26245 282268 1 0 3 0x80 netio pflogd
88638 79127 64093 73 3 0x1100090 kqread syslogd
64093 279571 1 0 3 0x100082 netio syslogd
62827 233001 1 0 3 0x100080 kqread resolvd
83842 380355 80994 77 3 0x100092 kqread dhcpleased
78606 356584 80994 77 3 0x100092 kqread dhcpleased
80994 270038 1 0 3 0x80 kqread dhcpleased
29927 464633 0 0 3 0x14200 bored smr
50706 518132 0 0 2 0x14200 zerothread
1749 337510 0 0 3 0x14200 aiodoned aiodoned
94532 262275 0 0 3 0x14200 syncer update
69886 179742 0 0 3 0x14200 cleaner cleaner
62066 14955 0 0 3 0x14200 reaper reaper
24447 518225 0 0 3 0x14200 pgdaemon pagedaemon
5213 502891 0 0 3 0x14200 bored viomb
47411 500058 0 0 3 0x40014200 acpi0 acpi0
9490 282364 0 0 3 0x40014200 idle1
42040 277422 0 0 3 0x14200 bored softnet
9715 26061 0 0 3 0x14200 bored systqmp
81258 477604 0 0 3 0x14200 bored systq
85526 17715 0 0 3 0x40014200 bored softclock
65091 163113 0 0 3 0x40014200 idle0
1 100975 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 (0xffffffff82b7fb80)
#0 witness_lock+0x44d
#1 mtx_enter_try+0x100
#2 mtx_enter+0x4b sys/kern/kern_lock.c:266
#3 rip6_input+0x1cf
#4 ip_deliver+0x322 sys/netinet/ip_input.c:657
#5 ip6_input_if+0x920
#6 ipv6_input+0x48 sys/netinet6/ip6_input.c:169
#7 if_input_local+0x136 sys/net/if.c:778
#8 ip6_output+0xf57
#9 rip6_output+0x4ad sys/netinet6/raw_ip6.c:490
#10 rip6_usrreq+0x5d3 sys/netinet6/raw_ip6.c:679
#11 sosend+0x632 sys/kern/uipc_socket.c:582
#12 dofilewritev+0x19c sys/kern/sys_generic.c:381
#13 sys_write+0x83 sys/kern/sys_generic.c:301
#14 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#14 syscall+0x489 sys/arch/amd64/amd64/trap.c:585
#15 Xsyscall+0x128
Process 89265 (syz-executor3271425245) thread 0xffff80002115fa40 (470996)
exclusive rwlock netlock r = 0 (0xffffffff82980490)
#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 (0xffffffff82b7fb80)
#0 witness_lock+0x44d
#1 mtx_enter_try+0x100
#2 mtx_enter+0x4b sys/kern/kern_lock.c:266
#3 rip6_input+0x1cf
#4 ip_deliver+0x322 sys/netinet/ip_input.c:657
#5 ip6_input_if+0x920
#6 ipv6_input+0x48 sys/netinet6/ip6_input.c:169
#7 if_input_local+0x136 sys/net/if.c:778
#8 ip6_output+0xf57
#9 rip6_output+0x4ad sys/netinet6/raw_ip6.c:490
#10 rip6_usrreq+0x5d3 sys/netinet6/raw_ip6.c:679
#11 sosend+0x632 sys/kern/uipc_socket.c:582
#12 dofilewritev+0x19c sys/kern/sys_generic.c:381
#13 sys_write+0x83 sys/kern/sys_generic.c:301
#14 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#14 syscall+0x489 sys/arch/amd64/amd64/trap.c:585
#15 Xsyscall+0x128
ddb{1}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 10149 6454K 6455K 78643K 11239 0
pcb 17 8K 8K 78643K 21 0
rtable 62 2K 2K 78643K 112 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 5 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 2 0K 0K 78643K 2 0
in_multi 14 0K 0K 78643K 14 0
ether_multi 2 0K 0K 78643K 2 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 432 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 114 60K 60K 78643K 2207 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 4 0K 0K 78643K 4 0
NDP 4 0K 0K 78643K 4 0
temp 24 4694K 4757K 78643K 3327 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 17 0 14 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 10 0 5 1 0 1 1 0 8 0
arp 120 2 0 0 1 0 1 1 0 8 0
inpcb 312 38 0 28 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
pfstitem 24 9 0 0 1 0 1 1 0 8 0
pfstkey 112 9 0 0 1 0 1 1 0 8 0
pfstate 320 9 0 0 1 0 1 1 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 4422 0 4422 2 1 1 1 0 8 1
percpumem 16 32 0 0 1 0 1 1 0 8 0
scxspl 216 4028 0 4028 10 2 8 8 0 8 8
plimitpl 152 23 0 9 1 0 1 1 0 8 0
sigapl 424 335 0 291 5 0 5 5 0 8 0
knotepl 120 50 0 0 2 0 2 2 0 8 0
kqueuepl 216 20 0 13 1 0 1 1 0 8 0
pipepl 336 86 0 83 2 1 1 1 0 8 0
fdescpl 496 321 0 291 4 0 4 4 0 8 0
filepl 152 1151 0 1089 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 25 0 9 1 0 1 1 0 8 0
pgrppl 48 25 0 9 1 0 1 1 0 8 0
ucredpl 96 69 0 57 1 0 1 1 0 8 0
zombiepl 144 291 0 291 2 1 1 1 0 8 1
processpl 1064 335 0 291 3 0 3 3 0 8 0
procpl 672 335 0 291 4 0 4 4 0 8 0
sockpl 480 90 0 62 5 1 4 4 0 8 0
mcl8k 8192 6 0 0 1 0 1 1 0 8 0
mcl4k 4096 2 0 0 1 0 1 1 0 8 0
mcl2k 2048 69 0 0 8 0 8 8 0 8 0
mtagpl 96 3 0 0 1 0 1 1 0 8 0
mbufpl 256 117 0 0 7 0 7 7 0 8 0
bufpl 288 2017 0 93 138 0 138 138 0 8 0
anonpl 24 41623 0 39049 20 3 17 17 0 186 1
amapchunkpl 152 4009 0 3834 7 0 7 7 0 158 0
amappl16 200 32 0 30 2 1 1 1 0 8 0
amappl15 192 67 0 64 1 0 1 1 0 8 0
amappl13 176 34 0 33 2 1 1 1 0 8 0
amappl12 168 12 0 12 2 1 1 1 0 8 1
amappl11 160 49 0 35 1 0 1 1 0 8 0
amappl10 152 2 0 0 1 0 1 1 0 8 0
amappl9 144 457 0 455 1 0 1 1 0 8 0
amappl8 136 371 0 367 1 0 1 1 0 8 0
amappl7 128 65 0 62 1 0 1 1 0 8 0
amappl6 120 135 0 106 1 0 1 1 0 8 0
amappl5 112 178 0 166 1 0 1 1 0 8 0
amappl4 104 642 0 619 1 0 1 1 0 8 0
amappl3 96 121 0 112 1 0 1 1 0 8 0
amappl2 88 369 0 331 1 0 1 1 0 8 0
amappl1 80 8794 0 8373 11 2 9 9 0 8 0
amappl 88 1918 0 1829 2 0 2 2 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 24 321 0 291 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 321 0 291 1 0 1 1 0 8 0
vmmpekpl 168 6239 0 6222 1 0 1 1 0 8 0
vmmpepl 168 26805 0 25693 56 7 49 49 0 357 0
vmsppl 368 320 0 291 3 0 3 3 0 8 0
rwobjpl 56 9525 0 7519 29 0 29 29 0 8 0
pdppl 4096 649 0 582 85 18 67 67 0 8 0
pvpl 32 135490 0 130813 45 6 39 39 0 265 1
pmappl 248 320 0 291 2 0 2 2 0 8 0
extentpl 40 58 0 38 1 0 1 1 0 8 0
phpool 112 444 0 23 13 0 13 13 0 8 0
ddb{1}> machine ddbcpu 0
Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp
x86_ipi_db(ffffffff82948ff0) 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
__mp_lock(ffffffff82b7e6f8) at __mp_lock+0x129 __mp_lock_spin sys/kern/kern_lock.c:116 [inline]
__mp_lock(ffffffff82b7e6f8) at __mp_lock+0x129 sys/kern/kern_lock.c:147
softintr_dispatch(0) at softintr_dispatch+0x4e sys/arch/amd64/amd64/softintr.c:88
Xsoftclock() at Xsoftclock+0x1f
__mp_lock(ffffffff82b7e6f8) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline]
__mp_lock(ffffffff82b7e6f8) at __mp_lock+0x122 sys/kern/kern_lock.c:147
syscall(ffff8000211ec4b0) at syscall+0x3ef mi_syscall sys/sys/syscall_mi.h:93 [inline]
syscall(ffff8000211ec4b0) at syscall+0x3ef sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffc0ef0, count: 6
ddb{0}> trace
x86_ipi_db(ffffffff82948ff0) 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
__mp_lock(ffffffff82b7e6f8) at __mp_lock+0x129 __mp_lock_spin sys/kern/kern_lock.c:116 [inline]
__mp_lock(ffffffff82b7e6f8) at __mp_lock+0x129 sys/kern/kern_lock.c:147
softintr_dispatch(0) at softintr_dispatch+0x4e sys/arch/amd64/amd64/softintr.c:88
Xsoftclock() at Xsoftclock+0x1f
__mp_lock(ffffffff82b7e6f8) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline]
__mp_lock(ffffffff82b7e6f8) at __mp_lock+0x122 sys/kern/kern_lock.c:147
syscall(ffff8000211ec4b0) at syscall+0x3ef mi_syscall sys/sys/syscall_mi.h:93 [inline]
syscall(ffff8000211ec4b0) at syscall+0x3ef sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffc0ef0, count: -9
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(ffffffff825a0385) at panic+0x177 sys/kern/subr_prf.c:202
witness_checkorder(ffffffff82b7e900,9,0) at witness_checkorder+0x116d sys/kern/subr_witness.c:833
__mp_lock(ffffffff82b7e6f8) at __mp_lock+0xa1 read_rflags machine/cpufunc.h:195 [inline]
__mp_lock(ffffffff82b7e6f8) at __mp_lock+0xa1 intr_disable machine/cpufunc.h:216 [inline]
__mp_lock(ffffffff82b7e6f8) at __mp_lock+0xa1 sys/kern/kern_lock.c:142
selwakeup(fffffd806d3226d8) at selwakeup+0x16 klist_empty sys/sys/event.h:361 [inline]
selwakeup(fffffd806d3226d8) at selwakeup+0x16 sys/kern/sys_generic.c:885
sorwakeup(fffffd806d3225c0) at sorwakeup+0xc9 sys/kern/uipc_socket.c:1699
rip6_input(ffff800021203c88,ffff800021203c94,85,18) at rip6_input+0x692 sys/netinet6/raw_ip6.c:224
ip_deliver(ffff800021203c88,ffff800021203c94,85,18) at ip_deliver+0x322 sys/netinet/ip_input.c:657
ip6_input_if(ffff800021203c88,ffff800021203c94,29,0,ffff80000019f2a8) at ip6_input_if+0x920
ipv6_input(ffff80000019f2a8,fffffd806d29a200) at ipv6_input+0x48 sys/netinet6/ip6_input.c:169
if_input_local(ffff80000019f2a8,fffffd806d29a200,18) at if_input_local+0x136 sys/net/if.c:778
ip6_output(fffffd806d356a00,ffff800000bc6200,fffffd806f67b900,0,0,fffffd806f67b888) at ip6_output+0xf57
rip6_output(fffffd806d356a00,fffffd806d322200,ffff800021203ff0,0) at rip6_output+0x4ad sys/netinet6/raw_ip6.c:490
rip6_usrreq(fffffd806d322200,9,fffffd806d356a00,0,0,ffff80002115fa40) at rip6_usrreq+0x5d3 sys/netinet6/raw_ip6.c:679
end trace frame: 0xffff800021204170, count: 0
ddb{1}> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440
panic(ffffffff825a0385) at panic+0x177 sys/kern/subr_prf.c:202
witness_checkorder(ffffffff82b7e900,9,0) at witness_checkorder+0x116d sys/kern/subr_witness.c:833
__mp_lock(ffffffff82b7e6f8) at __mp_lock+0xa1 read_rflags machine/cpufunc.h:195 [inline]
__mp_lock(ffffffff82b7e6f8) at __mp_lock+0xa1 intr_disable machine/cpufunc.h:216 [inline]
__mp_lock(ffffffff82b7e6f8) at __mp_lock+0xa1 sys/kern/kern_lock.c:142
selwakeup(fffffd806d3226d8) at selwakeup+0x16 klist_empty sys/sys/event.h:361 [inline]
selwakeup(fffffd806d3226d8) at selwakeup+0x16 sys/kern/sys_generic.c:885
sorwakeup(fffffd806d3225c0) at sorwakeup+0xc9 sys/kern/uipc_socket.c:1699
rip6_input(ffff800021203c88,ffff800021203c94,85,18) at rip6_input+0x692 sys/netinet6/raw_ip6.c:224
ip_deliver(ffff800021203c88,ffff800021203c94,85,18) at ip_deliver+0x322 sys/netinet/ip_input.c:657
ip6_input_if(ffff800021203c88,ffff800021203c94,29,0,ffff80000019f2a8) at ip6_input_if+0x920
ipv6_input(ffff80000019f2a8,fffffd806d29a200) at ipv6_input+0x48 sys/netinet6/ip6_input.c:169
if_input_local(ffff80000019f2a8,fffffd806d29a200,18) at if_input_local+0x136 sys/net/if.c:778
ip6_output(fffffd806d356a00,ffff800000bc6200,fffffd806f67b900,0,0,fffffd806f67b888) at ip6_output+0xf57
rip6_output(fffffd806d356a00,fffffd806d322200,ffff800021203ff0,0) at rip6_output+0x4ad sys/netinet6/raw_ip6.c:490
rip6_usrreq(fffffd806d322200,9,fffffd806d356a00,0,0,ffff80002115fa40) at rip6_usrreq+0x5d3 sys/netinet6/raw_ip6.c:679
sosend(fffffd806d322200,0,ffff800021204228,0,0,0) at sosend+0x632 sys/kern/uipc_socket.c:582
dofilewritev(ffff80002115fa40,4,ffff800021204228,0,ffff800021204320) at dofilewritev+0x19c sys/kern/sys_generic.c:381
sys_write(ffff80002115fa40,ffff8000212042c8,ffff800021204320) at sys_write+0x83 sys/kern/sys_generic.c:301
syscall(ffff800021204390) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff800021204390) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffc0ef0, count: -19
ddb{1}>