panic() at panic+0x15c sys/kern/subr_prf.c:207
__assert(ffffffff8220951b,ffffffff821f8501,2ab,ffffffff821d784f) at __assert+0x2b sys/kern/subr_prf.c:154
proc_trampoline_mp() at proc_trampoline_mp+0x123
end trace frame: 0x0, count: 11
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
ifa_update_broadaddr does not support dynamic length
ddb{1}> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398
panic() at panic+0x15c sys/kern/subr_prf.c:207
__assert(ffffffff8220951b,ffffffff821f8501,2ab,ffffffff821d784f) at __assert+0x2b sys/kern/subr_prf.c:154
proc_trampoline_mp() at proc_trampoline_mp+0x123
end trace frame: 0x0, count: -4
ddb{1}> show registers
rdi 0
rsi 0x1
rbp 0xffff800022561570
rbx 0xffff800022561620
rdx 0xffff800020ace020
rcx 0
rax 0
r8 0xffffffff81d00c7f kprintf+0x16f
r9 0x1
r10 0x25
r11 0x2ca7e5770b7cc87a
r12 0x3000000008
r13 0xffff800022561580
r14 0x104
r15 0x1
rip 0xffffffff8120bfe8 db_enter+0x18
cs 0x8
rflags 0x246
rsp 0xffff800022561560
ss 0x10
db_enter+0x18: addq $0x8,%rsp
ddb{1}> show proc
PROC (syz-executor.1) pid=99921 stat=onproc
flags process=0 proc=4000000<THREAD>
pri=86, usrpri=86, nice=20
forw=0xffffffffffffffff, list=0xffff800020acf3e0,0xffff800020acf8e0
process=0xffff800020adce00 user=0xffff80002255c000, vmspace=0xfffffd807f00a2e0
estcpu=36, cpticks=1, pctcpu=0.0
user=0, sys=1, intr=0
ddb{1}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
96638 111075 34500 0 2 0 syz-executor.0
96638 57661 34500 0 7 0x4000000 syz-executor.0
60638 18248 68407 0 2 0 syz-executor.1
60638 168679 68407 0 3 0x4000080 fsleep syz-executor.1
*60638 99921 68407 0 7 0x4000000 syz-executor.1
34500 368490 88183 0 3 0x82 nanosleep syz-executor.0
68407 156057 88183 0 3 0x82 nanosleep syz-executor.1
14678 489350 0 0 3 0x14200 bored sosplice
88183 55471 79419 0 3 0x82 thrsleep syz-fuzzer
88183 26387 79419 0 3 0x4000082 thrsleep syz-fuzzer
88183 292812 79419 0 3 0x4000082 thrsleep syz-fuzzer
88183 326829 79419 0 3 0x4000082 thrsleep syz-fuzzer
88183 314518 79419 0 3 0x4000082 thrsleep syz-fuzzer
88183 316230 79419 0 3 0x4000082 thrsleep syz-fuzzer
88183 126466 79419 0 3 0x4000082 thrsleep syz-fuzzer
88183 375430 79419 0 3 0x4000082 thrsleep syz-fuzzer
88183 235909 79419 0 3 0x4000082 thrsleep syz-fuzzer
88183 163004 79419 0 3 0x4000082 kqread syz-fuzzer
79419 88244 88509 0 3 0x10008a pause ksh
88509 203766 31317 0 3 0x92 select sshd
94521 170619 1 0 3 0x100083 ttyin getty
31317 68696 1 0 3 0x80 select sshd
92494 200615 64804 74 3 0x100092 bpf pflogd
64804 429336 1 0 3 0x80 netio pflogd
74080 459318 81539 73 3 0x100090 kqread syslogd
81539 122154 1 0 3 0x100082 netio syslogd
70742 493279 1 77 3 0x100090 poll dhclient
15827 435410 1 0 3 0x80 poll dhclient
10268 74126 0 0 2 0x14200 zerothread
39536 54397 0 0 3 0x14200 aiodoned aiodoned
89805 5187 0 0 3 0x14200 syncer update
87514 16101 0 0 3 0x14200 cleaner cleaner
7937 115162 0 0 3 0x14200 reaper reaper
41201 194060 0 0 3 0x14200 pgdaemon pagedaemon
57007 513125 0 0 3 0x14200 bored crynlk
76526 9721 0 0 3 0x14200 bored crypto
33866 493845 0 0 3 0x40014200 acpi0 acpi0
36045 72831 0 0 3 0x40014200 idle1
22909 373691 0 0 3 0x14200 bored softnet
15337 296186 0 0 3 0x14200 bored systqmp
65491 26083 0 0 3 0x14200 bored systq
93083 510274 0 0 3 0x40014200 bored softclock
41801 23008 0 0 3 0x40014200 idle0
39115 68562 0 0 3 0x14200 bored smr
1 217452 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{1}> show all locks
Process 96638 (syz-executor.0) thread 0xffff800020acf8d0 (57661)
exclusive rwlock netlock r = 0 (0xffffffff824c0f78)
#0 witness_lock+0x52e sys/kern/subr_witness.c:1163
#1 in_ioctl+0x142
#2 ifioctl+0xb64 sys/net/if.c:2202
#3 sys_ioctl+0x5b9
#4 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:92 [inline]
#4 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:555
#5 Xsyscall+0x128
exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82623a10)
#0 witness_lock+0x52e sys/kern/subr_witness.c:1163
#1 syscall+0x400 mi_syscall sys/sys/syscall_mi.h:83 [inline]
#1 syscall+0x400 sys/arch/amd64/amd64/trap.c:555
#2 Xsyscall+0x128
ddb{1}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim Kern Lim
devbuf 9647 6490K 7750K 78643K 37835 0 0
pcb 13 12K 14K 78643K 2005 0 0
rtable 135 14K 15K 78643K 5003 0 0
ifaddr 116 28K 31K 78643K 1662 0 0
counters 39 33K 33K 78643K 39 0 0
ioctlops 0 0K 4K 78643K 1881 0 0
iov 0 0K 28K 78643K 6323 0 0
mount 1 1K 1K 78643K 1 0 0
vnodes 1214 76K 77K 78643K 10603 0 0
UFS quota 1 32K 32K 78643K 1 0 0
UFS mount 5 36K 36K 78643K 5 0 0
shm 2 1K 9K 78643K 516 0 0
VM map 67 33K 34K 78643K 113 0 0
sem 12 0K 0K 78643K 4006 0 0
dirhash 12 2K 2K 78643K 12 0 0
ACPI 1808 196K 290K 78643K 12765 0 0
file desc 6 17K 25K 78643K 8326 0 0
sigio 0 0K 0K 78643K 115 0 0
proc 62 63K 95K 78643K 3225 0 0
subproc 32 2K 2K 78643K 767 0 0
NFS srvsock 1 0K 0K 78643K 1 0 0
NFS daemon 1 16K 16K 78643K 1 0 0
ip_moptions 0 0K 0K 78643K 682 0 0
in_multi 29 1K 3K 78643K 929 0 0
ether_multi 1 0K 0K 78643K 81 0 0
mrt 0 0K 0K 78643K 54 0 0
ISOFS mount 1 32K 32K 78643K 1 0 0
MSDOSFS mount 1 16K 16K 78643K 1 0 0
ttys 96 424K 424K 78643K 96 0 0
exec 0 0K 1K 78643K 1733 0 0
pagedep 1 8K 8K 78643K 1 0 0
inodedep 1 32K 32K 78643K 1 0 0
newblk 1 0K 0K 78643K 1 0 0
VM swap 7 26K 26K 78643K 7 0 0
UVM amap 257 601K 603K 78643K 30620 0 0
UVM aobj 130 8K 8K 78643K 138 0 0
memdesc 1 4K 4K 78643K 1 0 0
crypto data 1 1K 1K 78643K 1 0 0
ip6_options 0 0K 2K 78643K 2106 0 0
NDP 27 0K 1K 78643K 511 0 0
temp 278 3562K 4203K 78643K 180406 0 0
kqueue 0 0K 0K 78643K 98 0 0
SYN cache 2 16K 16K 78643K 2 0 0
ddb{1}> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
arp 64 142 0 137 1 0 1 1 0 8 0
plcache 128 20 0 0 1 0 1 1 0 8 0
rtpcb 80 716 0 714 1 0 1 1 0 8 0
rtentry 112 843 0 792 2 0 2 2 0 8 0
unpcb 120 4815 0 4802 9 8 1 2 0 8 0
syncache 264 46 0 46 21 20 1 1 0 8 1
tcpqe 32 66 0 66 10 10 0 1 0 8 0
tcpcb 544 5831 0 5827 59 58 1 13 0 8 0
inpcb 280 14320 0 14312 75 73 2 13 0 8 1
rttmr 72 24 0 23 1 0 1 1 0 8 0
ip6q 72 8 0 8 5 5 0 1 0 8 0
ip6af 40 16 0 16 4 4 0 1 0 8 0
nd6 48 115 0 114 7 6 1 1 0 8 0
pkpcb 40 83 0 83 21 21 0 1 0 8 0
swfcl 56 2 0 0 1 0 1 1 0 8 0
ppxss 1128 252 0 252 22 21 1 1 0 8 1
pffrag 232 246 0 246 25 24 1 1 0 482 1
pffrnode 88 246 0 246 25 24 1 1 0 8 1
pffrent 40 7956 0 7956 25 24 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
pfstitem 24 935 0 815 1 0 1 1 0 8 0
pfstkey 112 936 0 816 5 1 4 5 0 8 0
pfstate 328 936 0 816 16 6 10 13 0 8 0
pfrule 1360 21 0 16 2 1 1 2 0 8 0
art_heap8 4096 40 0 36 17 13 4 6 0 8 0
art_heap4 256 3607 0 3347 46 27 19 22 0 8 0
art_table 32 3647 0 3383 3 0 3 3 0 8 0
art_node 16 839 0 792 1 0 1 1 0 8 0
sysvmsgpl 40 31 0 17 1 0 1 1 0 8 0
semupl 112 3 0 3 1 1 0 1 0 8 0
semapl 112 4002 0 3992 1 0 1 1 0 8 0
shmpl 112 136 0 8 4 0 4 4 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino1pl 128 14385 0 12948 48 1 47 47 0 8 0
ffsino 272 14385 0 12948 98 1 97 97 0 8 0
nchpl 144 29458 0 28989 61 41 20 61 0 8 0
uvmvnodes 72 7015 0 0 128 0 128 128 0 8 0
vnodes 208 7015 0 0 370 0 370 370 0 8 0
namei 1024 103790 0 103790 4 3 1 1 0 8 1
percpumem 16 30 0 0 1 0 1 1 0 8 0
vcpupl 1984 68 0 3 9 0 9 9 0 8 0
vmpool 552 111 0 46 7 2 5 5 0 8 0
scsiplug 64 10 0 10 8 7 1 1 0 8 1
scxspl 192 89605 0 89605 62 59 3 7 0 8 3
plimitpl 152 637 0 629 1 0 1 1 0 8 0
sigapl 432 8395 0 8379 4 2 2 3 0 8 0
futexpl 56 242642 0 242641 3 2 1 1 0 8 0
knotepl 112 2222 0 2203 14 13 1 3 0 8 0
kqueuepl 104 7235 0 7232 17 16 1 4 0 8 0
pipepl 112 5270 0 5251 9 8 1 2 0 8 0
fdescpl 488 8396 0 8379 3 0 3 3 0 8 0
filepl 152 83697 0 83595 75 69 6 14 0 8 2
lockfpl 104 2934 0 2933 1 0 1 1 0 8 0
lockfspl 48 1020 0 1019 1 0 1 1 0 8 0
sessionpl 112 61 0 50 1 0 1 1 0 8 0
pgrppl 48 184 0 173 1 0 1 1 0 8 0
ucredpl 96 9058 0 9049 1 0 1 1 0 8 0
zombiepl 144 8384 0 8384 4 3 1 1 0 8 1
processpl 896 8417 0 8384 5 1 4 5 0 8 0
procpl 632 27299 0 27254 5 0 5 5 0 8 0
srpgc 64 61 0 61 22 22 0 1 0 8 0
sosppl 128 342 0 342 31 30 1 1 0 8 1
sockpl 384 20069 0 20046 113 109 4 22 0 8 1
mcl64k 65536 569 0 0 69 35 34 66 0 8 0
mcl16k 16384 33 0 0 4 1 3 3 0 8 0
mcl12k 12288 49 0 0 2 0 2 2 0 8 0
mcl9k 9216 25 0 0 2 0 2 2 0 8 0
mcl8k 8192 33 0 0 5 2 3 3 0 8 0
mcl4k 4096 25 0 0 3 0 3 3 0 8 0
mcl2k2 2112 10 0 0 1 0 1 1 0 8 0
mcl2k 2048 227 0 0 24 7 17 24 0 8 0
mtagpl 80 337 0 0 4 1 3 3 0 8 0
mbufpl 256 1019 0 0 43 0 43 43 0 8 0
bufpl 256 36919 0 29861 442 0 442 442 0 8 0
anonpl 16 1058600 0 1036914 339 237 102 106 0 124 9
amapchunkpl 152 63473 0 63279 124 114 10 15 0 158 0
amappl16 192 47830 0 46577 384 313 71 75 0 8 5
amappl15 184 1515 0 1514 1 0 1 1 0 8 0
amappl14 176 1504 0 1494 1 0 1 1 0 8 0
amappl13 168 440 0 439 1 0 1 1 0 8 0
amappl12 160 1957 0 1957 8 8 0 1 0 8 0
amappl11 152 1349 0 1334 1 0 1 1 0 8 0
amappl10 144 507 0 499 1 0 1 1 0 8 0
amappl9 136 2223 0 2220 1 0 1 1 0 8 0
amappl8 128 1883 0 1808 4 1 3 3 0 8 0
amappl7 120 643 0 634 1 0 1 1 0 8 0
amappl6 112 1278 0 1261 1 0 1 1 0 8 0
amappl5 104 2539 0 2523 1 0 1 1 0 8 0
amappl4 96 8201 0 8166 1 0 1 1 0 8 0
amappl3 88 1825 0 1811 1 0 1 1 0 8 0
amappl2 80 65138 0 65053 3 1 2 3 0 8 0
amappl1 72 197679 0 197216 25 15 10 20 0 8 0
amappl 80 28498 0 28409 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 17 0 17 1 1 0 1 0 8 0
aobjpl 64 137 0 8 3 0 3 3 0 8 0
uaddrrnd 24 8507 0 8379 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 8507 0 8379 1 0 1 1 0 8 0
vmmpekpl 168 61248 0 61195 3 0 3 3 0 8 0
vmmpepl 168 1078835 0 1076117 521 348 173 174 0 357 47
vmsppl 368 8395 0 8379 2 0 2 2 0 8 0
pdppl 4096 17021 0 16915 16 2 14 14 0 8 0
pvpl 32 2692746 0 2669353 565 345 220 238 0 265 20
pmappl 232 8506 0 8425 8 3 5 5 0 8 0
extentpl 40 41 0 26 1 0 1 1 0 8 0
phpool 112 839 0 152 21 0 21 21 0 8 0