login: panic: unhandled af 0
Stopped at db_enter+0x18: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
88212 89618 0 0 0 1 syz-executor.0
*191011 89618 0 0 0x4000000 0K syz-executor.0
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398
panic(ffffffff823f21dc) at panic+0x15c sys/kern/subr_prf.c:207
unhandled_af(0) at unhandled_af+0x16
pf_addrcpy(ffff800020ed5470,ffff800000aa57a0,0) at pf_addrcpy+0x99 sys/net/pf.c:409
pf_map_addr(0,ffff800000aa5558,ffff800020ed5738,ffff800020ed5470,ffff800020ed5380,ffff800020ed55d8) at pf_map_addr+0x3f7 sys/net/pf_lb.c:393
pf_get_sport(ffff800020ed5720,ffff800000aa5558,ffff800020ed5470,ffff800020ed5496,0,0) at pf_get_sport+0xc7 sys/net/pf_lb.c:159
pf_get_transaddr_af(ffff800000aa5558,ffff800020ed5720,ffff800020ed55d8) at pf_get_transaddr_af+0x154 sys/net/pf_lb.c:733
pf_get_transaddr(ffff800000aa5558,ffff800020ed5720,ffff800020ed55d8,ffff800020ed5600) at pf_get_transaddr+0x89 sys/net/pf_lb.c:657
pf_test_rule(ffff800020ed5720,ffff800020ed5810,ffff800020ed5820,ffff800020ed5800,ffff800020ed57e8,3) at pf_test_rule+0x495 sys/net/pf.c:3822
pf_test(2,1,ffff800000ac3000,ffff800020ed5938) at pf_test+0x1909 sys/net/pf.c:7101
ip_input_if(ffff800020ed5938,ffff800020ed5944,4,0,ffff800000ac3000) at ip_input_if+0x59e sys/netinet/ip_input.c:316
ipv4_input(ffff800000ac3000,fffffd806d4a2300) at ipv4_input+0x48 sys/netinet/ip_input.c:215
ether_input(ffff800000ac3000,fffffd806d4a2300,0) at ether_input+0x345 sys/net/if_ethersubr.c:461
if_vinput(ffff800000ac3000,fffffd806d4a2300) at if_vinput+0x10d if_ih_input sys/net/if.c:908 [inline]
if_vinput(ffff800000ac3000,fffffd806d4a2300) at if_vinput+0x10d sys/net/if.c:969
end trace frame: 0xffff800020ed5ab0, 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{0}>
ddb{0}> set $lines = 0
ddb{0}> set $maxwidth = 0
ddb{0}> show panic
unhandled af 0
ddb{0}> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398
panic(ffffffff823f21dc) at panic+0x15c sys/kern/subr_prf.c:207
unhandled_af(0) at unhandled_af+0x16
pf_addrcpy(ffff800020ed5470,ffff800000aa57a0,0) at pf_addrcpy+0x99 sys/net/pf.c:409
pf_map_addr(0,ffff800000aa5558,ffff800020ed5738,ffff800020ed5470,ffff800020ed5380,ffff800020ed55d8) at pf_map_addr+0x3f7 sys/net/pf_lb.c:393
pf_get_sport(ffff800020ed5720,ffff800000aa5558,ffff800020ed5470,ffff800020ed5496,0,0) at pf_get_sport+0xc7 sys/net/pf_lb.c:159
pf_get_transaddr_af(ffff800000aa5558,ffff800020ed5720,ffff800020ed55d8) at pf_get_transaddr_af+0x154 sys/net/pf_lb.c:733
pf_get_transaddr(ffff800000aa5558,ffff800020ed5720,ffff800020ed55d8,ffff800020ed5600) at pf_get_transaddr+0x89 sys/net/pf_lb.c:657
pf_test_rule(ffff800020ed5720,ffff800020ed5810,ffff800020ed5820,ffff800020ed5800,ffff800020ed57e8,3) at pf_test_rule+0x495 sys/net/pf.c:3822
pf_test(2,1,ffff800000ac3000,ffff800020ed5938) at pf_test+0x1909 sys/net/pf.c:7101
ip_input_if(ffff800020ed5938,ffff800020ed5944,4,0,ffff800000ac3000) at ip_input_if+0x59e sys/netinet/ip_input.c:316
ipv4_input(ffff800000ac3000,fffffd806d4a2300) at ipv4_input+0x48 sys/netinet/ip_input.c:215
ether_input(ffff800000ac3000,fffffd806d4a2300,0) at ether_input+0x345 sys/net/if_ethersubr.c:461
if_vinput(ffff800000ac3000,fffffd806d4a2300) at if_vinput+0x10d if_ih_input sys/net/if.c:908 [inline]
if_vinput(ffff800000ac3000,fffffd806d4a2300) at if_vinput+0x10d sys/net/if.c:969
tun_dev_write(5d00,ffff800020ed5d08,f9,2) at tun_dev_write+0x1fc sys/net/if_tun.c:871
spec_write(ffff800020ed5b50) at spec_write+0xd4 sys/kern/spec_vnops.c:309
VOP_WRITE(fffffd806e593688,ffff800020ed5d08,11,fffffd807f7bf660) at VOP_WRITE+0xc6 sys/kern/vfs_vops.c:268
vn_write(fffffd80669ca7d0,ffff800020ed5d08,0) at vn_write+0x14e sys/kern/vfs_vnops.c:414
dofilewritev(ffff800020e464f8,f0,ffff800020ed5d08,0,ffff800020ed5df0) at dofilewritev+0x1b6 sys/kern/sys_generic.c:365
sys_write(ffff800020e464f8,ffff800020ed5da0,ffff800020ed5df0) at sys_write+0x83 sys/kern/sys_generic.c:285
syscall(ffff800020ed5e70) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff800020ed5e70) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xf47630b50d0, count: -22
ddb{0}> show registers
rdi 0
rsi 0x1
rbp 0xffff800020ed5110
rbx 0xffff800020ed51c0
rdx 0x8b
rcx 0x2
rax 0x1
r8 0xffffffff8102be9f kprintf+0x16f
r9 0x1
r10 0x2
r11 0x93f0659cb1b42142
r12 0x3000000008
r13 0xffff800020ed5120
r14 0x100
r15 0x1
rip 0xffffffff81850b98 db_enter+0x18
cs 0x8
rflags 0x246
rsp 0xffff800020ed5100
ss 0x10
db_enter+0x18: addq $0x8,%rsp
ddb{0}> show proc
PROC (syz-executor.0) pid=191011 stat=onproc
flags process=0 proc=4000000<THREAD>
pri=86, usrpri=86, nice=20
forw=0xffffffffffffffff, list=0xffff800020e47398,0xffffffff828a0f20
process=0xffff800020dfcf80 user=0xffff800020ed0000, vmspace=0xfffffd807f000170
estcpu=36, cpticks=0, pctcpu=0.0
user=0, sys=0, intr=0
ddb{0}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
89618 88212 57615 0 7 0 syz-executor.0
*89618 191011 57615 0 7 0x4000000 syz-executor.0
15669 413400 74061 0 3 0x3000 suspend syz-executor.1
15669 158799 74061 0 2 0x4081000 syz-executor.1
14234 407818 0 0 3 0x14200 bored sosplice
95462 50558 1 0 3 0x100083 ttyin getty
74061 38806 68981 0 3 0x82 nanosleep syz-executor.1
57615 178861 68981 0 3 0x82 nanosleep syz-executor.0
68981 394028 74606 0 3 0x82 thrsleep syz-fuzzer
68981 138653 74606 0 3 0x4000082 nanosleep syz-fuzzer
68981 297492 74606 0 3 0x4000082 thrsleep syz-fuzzer
68981 6698 74606 0 3 0x4000082 thrsleep syz-fuzzer
68981 76443 74606 0 3 0x4000082 thrsleep syz-fuzzer
68981 190255 74606 0 3 0x4000082 thrsleep syz-fuzzer
68981 293103 74606 0 3 0x4000082 thrsleep syz-fuzzer
68981 336440 74606 0 3 0x4000082 thrsleep syz-fuzzer
68981 521278 74606 0 3 0x4000082 kqread syz-fuzzer
68981 230961 74606 0 3 0x4000082 nanosleep syz-fuzzer
74606 487582 86651 0 3 0x10008a pause ksh
86651 407199 32654 0 3 0x92 select sshd
32654 211624 1 0 3 0x80 select sshd
61652 346864 45501 74 3 0x100092 bpf pflogd
45501 164708 1 0 3 0x80 netio pflogd
27036 271997 80621 73 3 0x100090 kqread syslogd
80621 162971 1 0 3 0x100082 netio syslogd
13995 226984 1 77 3 0x100090 poll dhclient
19556 360197 1 0 3 0x80 poll dhclient
551 423306 0 0 3 0x14200 bored smr
60952 177538 0 0 2 0x14200 zerothread
19228 521296 0 0 3 0x14200 aiodoned aiodoned
94749 30223 0 0 3 0x14200 syncer update
74937 322181 0 0 3 0x14200 cleaner cleaner
62672 305145 0 0 3 0x14200 reaper reaper
96983 258882 0 0 3 0x14200 pgdaemon pagedaemon
10519 201480 0 0 3 0x14200 bored crynlk
62988 386253 0 0 3 0x14200 bored crypto
58223 183935 0 0 3 0x40014200 acpi0 acpi0
2461 448543 0 0 3 0x40014200 idle1
33055 316371 0 0 3 0x14200 bored softnet
32983 333376 0 0 3 0x14200 bored systqmp
93770 316983 0 0 3 0x14200 bored systq
35339 493523 0 0 3 0x40014200 bored softclock
15470 419422 0 0 3 0x40014200 idle0
1 284484 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{0}> show all locks
Process 89618 (syz-executor.0) thread 0xffff800020e464f8 (191011)
exclusive rwlock netlock r = 0 (0xffffffff826d4978)
#0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline]
#0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164
#1 tun_dev_write+0x1f1 sys/net/if_tun.c:870
#2 spec_write+0xd4 sys/kern/spec_vnops.c:309
#3 VOP_WRITE+0xc6 sys/kern/vfs_vops.c:268
#4 vn_write+0x14e sys/kern/vfs_vnops.c:414
#5 dofilewritev+0x1b6 sys/kern/sys_generic.c:365
#6 sys_write+0x83 sys/kern/sys_generic.c:285
#7 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#7 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570
#8 Xsyscall+0x128
exclusive kernel_lock &kernel_lock r = 0 (0xffffffff828e7060)
#0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline]
#0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164
#1 vn_write+0x42 sys/kern/vfs_vnops.c:399
#2 dofilewritev+0x1b6 sys/kern/sys_generic.c:365
#3 sys_write+0x83 sys/kern/sys_generic.c:285
#4 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#4 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570
#5 Xsyscall+0x128
ddb{0}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 9513 6665K 7310K 78643K 11174 0
pcb 13 8K 8K 78643K 82 0
rtable 114 4K 5K 78643K 247 0
ifaddr 58 13K 14K 78643K 84 0
counters 43 33K 34K 78643K 51 0
ioctlops 0 0K 4K 78643K 1490 0
iov 0 0K 12K 78643K 20 0
mount 1 1K 1K 78643K 1 0
vnodes 1222 77K 77K 78643K 1375 0
UFS quota 1 32K 32K 78643K 1 0
UFS mount 5 36K 36K 78643K 5 0
shm 2 1K 5K 78643K 6 0
VM map 2 1K 1K 78643K 2 0
sem 12 0K 1K 78643K 29 0
dirhash 12 2K 2K 78643K 12 0
ACPI 1824 197K 290K 78643K 13058 0
file desc 6 17K 25K 78643K 175 0
sigio 0 0K 0K 78643K 3 0
proc 61 63K 95K 78643K 463 0
subproc 32 2K 2K 78643K 34 0
NFS srvsock 1 0K 0K 78643K 1 0
NFS daemon 1 16K 16K 78643K 1 0
ip_moptions 0 0K 0K 78643K 10 0
in_multi 46 2K 2K 78643K 56 0
ether_multi 1 0K 0K 78643K 4 0
ISOFS mount 1 32K 32K 78643K 1 0
MSDOSFS mount 1 16K 16K 78643K 1 0
ttys 49 228K 228K 78643K 49 0
exec 0 0K 1K 78643K 220 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 121 38K 38K 78643K 1504 0
UVM aobj 11 4K 5K 78643K 13 0
memdesc 1 4K 4K 78643K 1 0
crypto data 1 1K 1K 78643K 1 0
ip6_options 0 0K 0K 78643K 19 0
NDP 8 0K 0K 78643K 16 0
temp 83 3847K 3911K 78643K 5286 0
kqueue 3 4K 8K 78643K 5 0
SYN cache 2 16K 16K 78643K 2 0
ddb{0}> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
arp 64 6 0 0 1 0 1 1 0 8 0
plcache 128 20 0 0 1 0 1 1 0 8 0
rtpcb 80 21 0 19 1 0 1 1 0 8 0
rtentry 112 47 0 1 2 0 2 2 0 8 0
unpcb 120 183 0 173 1 0 1 1 0 8 0
syncache 264 8 0 8 2 1 1 1 0 8 1
tcpqe 32 219 0 219 1 1 0 1 0 8 0
tcpcb 544 56 0 52 1 0 1 1 0 8 0
inpcb 280 261 0 254 2 0 2 2 0 8 1
nd6 48 7 0 0 1 0 1 1 0 8 0
pffrag 232 1 0 1 1 0 1 1 0 482 1
pffrnode 88 1 0 1 1 0 1 1 0 8 1
pffrent 40 2 0 2 1 0 1 1 0 8 1
pfosfp 40 846 0 423 5 0 5 5 0 8 0
pfosfpen 112 1428 0 714 21 0 21 21 0 8 0
pfrktable 1344 7 0 5 1 0 1 1 0 8 0
pfstitem 24 31 0 0 1 0 1 1 0 8 0
pfstkey 112 31 0 0 1 0 1 1 0 8 0
pfstate 328 31 0 0 3 0 3 3 0 8 0
pfrule 1360 25 0 18 2 1 1 2 0 8 0
art_heap8 4096 2 0 0 2 0 2 2 0 8 0
art_heap4 256 212 0 0 14 0 14 14 0 8 0
art_table 32 214 0 0 2 0 2 2 0 8 0
art_node 16 46 0 4 1 0 1 1 0 8 0
sysvmsgpl 40 4 0 3 1 0 1 1 0 8 0
semupl 112 3 0 3 1 0 1 1 0 8 1
semapl 112 22 0 12 1 0 1 1 0 8 0
shmpl 112 11 0 2 1 0 1 1 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 1628 0 221 89 0 89 89 0 8 0
ffsino 272 1628 0 221 95 0 95 95 0 8 0
nchpl 144 2068 0 456 60 0 60 60 0 8 0
uvmvnodes 72 1804 0 0 33 0 33 33 0 8 0
vnodes 208 1804 0 0 95 0 95 95 0 8 0
namei 1024 5632 0 5632 1 0 1 1 0 8 1
percpumem 16 36 0 4 1 0 1 1 0 8 0
vcpupl 1984 1 0 0 1 0 1 1 0 8 0
vmpool 560 1 0 0 1 0 1 1 0 8 0
pfiaddrpl 120 4 0 2 1 0 1 1 0 8 0
scxspl 192 6201 0 6201 8 1 7 7 0 8 7
plimitpl 152 20 0 12 1 0 1 1 0 8 0
sigapl 424 392 0 359 4 0 4 4 0 8 0
futexpl 56 2577 0 2577 1 0 1 1 0 8 1
knotepl 112 65 0 46 1 0 1 1 0 8 0
kqueuepl 144 20 0 18 1 0 1 1 0 8 0
pipepl 304 101 0 91 2 0 2 2 0 8 1
fdescpl 496 376 0 359 4 1 3 3 0 8 0
filepl 152 2241 0 2139 5 0 5 5 0 8 1
lockfpl 104 22 0 21 1 0 1 1 0 8 0
lockfspl 48 9 0 8 1 0 1 1 0 8 0
sessionpl 112 19 0 8 1 0 1 1 0 8 0
pgrppl 48 23 0 12 1 0 1 1 0 8 0
ucredpl 96 261 0 252 1 0 1 1 0 8 0
zombiepl 144 360 0 359 1 0 1 1 0 8 0
processpl 984 392 0 359 5 0 5 5 0 8 0
procpl 624 737 0 693 4 0 4 4 0 8 0
sosppl 128 8 0 8 1 0 1 1 0 8 1
sockpl 400 466 0 447 4 0 4 4 0 8 2
mcl64k 65536 5 0 0 1 0 1 1 0 8 0
mcl16k 16384 5 0 0 1 0 1 1 0 8 0
mcl12k 12288 5 0 0 1 0 1 1 0 8 0
mcl9k 9216 2 0 0 1 0 1 1 0 8 0
mcl8k 8192 3 0 0 1 0 1 1 0 8 0
mcl4k 4096 6 0 0 1 0 1 1 0 8 0
mcl2k2 2112 1 0 0 1 0 1 1 0 8 0
mcl2k 2048 168 0 0 20 0 20 20 0 8 0
mtagpl 80 16 0 0 1 0 1 1 0 8 0
mbufpl 256 203 0 0 14 1 13 13 0 8 0
bufpl 280 3717 0 135 256 0 256 256 0 8 0
anonpl 16 48394 0 32630 65 1 64 64 0 124 0
amapchunkpl 152 1886 0 1720 9 0 9 9 0 158 2
amappl16 192 1438 0 592 43 0 43 43 0 8 0
amappl15 184 68 0 66 2 1 1 1 0 8 0
amappl14 176 110 0 102 1 0 1 1 0 8 0
amappl13 168 29 0 26 1 0 1 1 0 8 0
amappl12 160 89 0 85 1 0 1 1 0 8 0
amappl11 152 123 0 105 1 0 1 1 0 8 0
amappl10 144 18 0 12 1 0 1 1 0 8 0
amappl9 136 388 0 387 1 0 1 1 0 8 0
amappl8 128 345 0 316 2 0 2 2 0 8 0
amappl7 120 118 0 107 1 0 1 1 0 8 0
amappl6 112 87 0 84 1 0 1 1 0 8 0
amappl5 104 140 0 122 1 0 1 1 0 8 0
amappl4 96 639 0 608 1 0 1 1 0 8 0
amappl3 88 187 0 180 1 0 1 1 0 8 0
amappl2 80 2052 0 1975 2 0 2 2 0 8 0
amappl1 72 18226 0 17759 23 12 11 18 0 8 1
amappl 80 986 0 937 2 0 2 2 0 84 0
dma4096 4096 1 0 1 1 1 0 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 64 12 0 2 1 0 1 1 0 8 0
uaddrrnd 24 377 0 359 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 377 0 359 1 0 1 1 0 8 0
vmmpekpl 168 7179 0 7142 2 0 2 2 0 8 0
vmmpepl 168 52412 0 50296 115 3 112 112 0 357 20
vmsppl 368 376 0 359 2 0 2 2 0 8 0
pdppl 4096 761 0 719 6 0 6 6 0 8 0
pvpl 32 164109 0 145128 162 0 162 162 0 265 8
pmappl 232 376 0 359 2 0 2 2 0 8 1
extentpl 40 53 0 36 1 0 1 1 0 8 0
phpool 112 263 0 4 8 0 8 8 0 8 0
ddb{0}> machine ddbcpu 0
Invalid cpu 0
ddb{0}> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398
panic(ffffffff823f21dc) at panic+0x15c sys/kern/subr_prf.c:207
unhandled_af(0) at unhandled_af+0x16
pf_addrcpy(ffff800020ed5470,ffff800000aa57a0,0) at pf_addrcpy+0x99 sys/net/pf.c:409
pf_map_addr(0,ffff800000aa5558,ffff800020ed5738,ffff800020ed5470,ffff800020ed5380,ffff800020ed55d8) at pf_map_addr+0x3f7 sys/net/pf_lb.c:393
pf_get_sport(ffff800020ed5720,ffff800000aa5558,ffff800020ed5470,ffff800020ed5496,0,0) at pf_get_sport+0xc7 sys/net/pf_lb.c:159
pf_get_transaddr_af(ffff800000aa5558,ffff800020ed5720,ffff800020ed55d8) at pf_get_transaddr_af+0x154 sys/net/pf_lb.c:733
pf_get_transaddr(ffff800000aa5558,ffff800020ed5720,ffff800020ed55d8,ffff800020ed5600) at pf_get_transaddr+0x89 sys/net/pf_lb.c:657
pf_test_rule(ffff800020ed5720,ffff800020ed5810,ffff800020ed5820,ffff800020ed5800,ffff800020ed57e8,3) at pf_test_rule+0x495 sys/net/pf.c:3822
pf_test(2,1,ffff800000ac3000,ffff800020ed5938) at pf_test+0x1909 sys/net/pf.c:7101
ip_input_if(ffff800020ed5938,ffff800020ed5944,4,0,ffff800000ac3000) at ip_input_if+0x59e sys/netinet/ip_input.c:316
ipv4_input(ffff800000ac3000,fffffd806d4a2300) at ipv4_input+0x48 sys/netinet/ip_input.c:215
ether_input(ffff800000ac3000,fffffd806d4a2300,0) at ether_input+0x345 sys/net/if_ethersubr.c:461
if_vinput(ffff800000ac3000,fffffd806d4a2300) at if_vinput+0x10d if_ih_input sys/net/if.c:908 [inline]
if_vinput(ffff800000ac3000,fffffd806d4a2300) at if_vinput+0x10d sys/net/if.c:969
tun_dev_write(5d00,ffff800020ed5d08,f9,2) at tun_dev_write+0x1fc sys/net/if_tun.c:871
spec_write(ffff800020ed5b50) at spec_write+0xd4 sys/kern/spec_vnops.c:309
VOP_WRITE(fffffd806e593688,ffff800020ed5d08,11,fffffd807f7bf660) at VOP_WRITE+0xc6 sys/kern/vfs_vops.c:268
vn_write(fffffd80669ca7d0,ffff800020ed5d08,0) at vn_write+0x14e sys/kern/vfs_vnops.c:414
dofilewritev(ffff800020e464f8,f0,ffff800020ed5d08,0,ffff800020ed5df0) at dofilewritev+0x1b6 sys/kern/sys_generic.c:365
sys_write(ffff800020e464f8,ffff800020ed5da0,ffff800020ed5df0) at sys_write+0x83 sys/kern/sys_generic.c:285
syscall(ffff800020ed5e70) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff800020ed5e70) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xf47630b50d0, count: -22
ddb{0}> machine ddbcpu 1
Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp
x86_ipi_db(ffff800020d70ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:352
x86_ipi_handler() at x86_ipi_handler+0xc6 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23
syscall(ffff8000230fb170) at syscall+0xad sys/arch/amd64/amd64/trap.c:516
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffec2e0, count: 10
ddb{1}> trace
x86_ipi_db(ffff800020d70ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:352
x86_ipi_handler() at x86_ipi_handler+0xc6 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23
syscall(ffff8000230fb170) at syscall+0xad sys/arch/amd64/amd64/trap.c:516
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffec2e0, count: -5