panic: ifa_update_broadaddr does not support dynamic lengtpha
nStopped at db_enter+0x18: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
291475 67683 0 0 0x4000000 1 syz-executor.0
*217439 39553 0 0 0x4000000 0 syz-executor.1
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398
panic() at panic+0x15c sys/kern/subr_prf.c:207
ifa_update_broadaddr(ffff800000adb000,ffff800000ae1100,ffff80002177dcf0) at ifa_update_broadaddr+0x61 sys/net/if.c:2970
in_ioctl(80206913,ffff80002177dce0,ffff800000adb000,1) at in_ioctl+0x463 sys/netinet/in.c:299
ifioctl(fffffd807d107340,80206913,ffff80002177dce0,ffff800020acf8d8) at ifioctl+0xb64 sys/net/if.c:2202
sys_ioctl(ffff800020acf8d8,ffff80002177ddf8,ffff80002177de40) at sys_ioctl+0x5b9
syscall(ffff80002177dec0) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:92 [inline]
syscall(ffff80002177dec0) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:555
Xsyscall(6,0,ffffffffffffff36,0,3,17eaefc0280) at Xsyscall+0x128
end of kernel
end trace frame: 0x18187f427f0, count: 7
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
ifa_update_broadaddr does not support dynamic length
ddb{0}> 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
ifa_update_broadaddr(ffff800000adb000,ffff800000ae1100,ffff80002177dcf0) at ifa_update_broadaddr+0x61 sys/net/if.c:2970
in_ioctl(80206913,ffff80002177dce0,ffff800000adb000,1) at in_ioctl+0x463 sys/netinet/in.c:299
ifioctl(fffffd807d107340,80206913,ffff80002177dce0,ffff800020acf8d8) at ifioctl+0xb64 sys/net/if.c:2202
sys_ioctl(ffff800020acf8d8,ffff80002177ddf8,ffff80002177de40) at sys_ioctl+0x5b9
syscall(ffff80002177dec0) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:92 [inline]
syscall(ffff80002177dec0) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:555
Xsyscall(6,0,ffffffffffffff36,0,3,17eaefc0280) at Xsyscall+0x128
end of kernel
end trace frame: 0x18187f427f0, count: -8
ddb{0}> show registers
rdi 0xffffffff8213f9a7 db_enter+0x17
rsi 0x17a2 __ALIGN_SIZE+0x7a2
rbp 0xffff80002177da80
rbx 0xffff80002177db30
rdx 0x17a3 __ALIGN_SIZE+0x7a3
rcx 0xffff800021358000
rax 0xffff800021358000
r8 0xffffffff8149ad7f kprintf+0x16f
r9 0x1
r10 0x25
r11 0x3493ac0a1ad5e271
r12 0x3000000008
r13 0xffff80002177da90
r14 0x100
r15 0x1
rip 0xffffffff8213f9a8 db_enter+0x18
cs 0x8
rflags 0x246
rsp 0xffff80002177da70
ss 0x10
db_enter+0x18: addq $0x8,%rsp
ddb{0}> show proc
PROC (syz-executor.1) pid=217439 stat=onproc
flags process=0 proc=4000000<THREAD>
pri=86, usrpri=86, nice=20
forw=0xffffffffffffffff, list=0xffff800020ace028,0xffff800020acfb60
process=0xffff800020add880 user=0xffff800021778000, vmspace=0xfffffd807f00bb80
estcpu=36, cpticks=0, pctcpu=0.0
user=0, sys=0, intr=0
ddb{0}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
67683 295263 29958 0 2 0 syz-executor.0
67683 503660 29958 0 3 0x4000080 pipewr syz-executor.0
67683 291475 29958 0 7 0x4000000 syz-executor.0
39553 329135 84577 0 2 0 syz-executor.1
39553 108308 84577 0 3 0x4000080 pipewr syz-executor.1
39553 190114 84577 0 3 0x4000080 pipewr syz-executor.1
39553 147324 84577 0 3 0x4000080 piperd syz-executor.1
*39553 217439 84577 0 7 0x4000000 syz-executor.1
29958 38783 74350 0 3 0x82 nanosleep syz-executor.0
84577 115961 74350 0 3 0x82 nanosleep syz-executor.1
64279 181950 0 0 3 0x14200 acct acct
71807 233154 0 0 3 0x14200 bored sosplice
74350 353391 72886 0 3 0x82 thrsleep syz-fuzzer
74350 316786 72886 0 3 0x4000082 thrsleep syz-fuzzer
74350 225072 72886 0 3 0x4000082 thrsleep syz-fuzzer
74350 253437 72886 0 3 0x4000082 thrsleep syz-fuzzer
74350 303377 72886 0 3 0x4000082 thrsleep syz-fuzzer
74350 351297 72886 0 3 0x4000082 thrsleep syz-fuzzer
74350 133693 72886 0 3 0x4000082 kqread syz-fuzzer
74350 1352 72886 0 3 0x4000082 thrsleep syz-fuzzer
74350 516519 72886 0 3 0x4000082 thrsleep syz-fuzzer
74350 244609 72886 0 3 0x4000082 thrsleep syz-fuzzer
72886 132889 51915 0 3 0x10008a pause ksh
51915 335918 81973 0 3 0x92 select sshd
14523 128532 1 0 3 0x100083 ttyin getty
81973 399708 1 0 3 0x80 select sshd
50320 377777 63749 74 3 0x100092 bpf pflogd
63749 389716 1 0 3 0x80 netio pflogd
62481 369475 48761 73 3 0x100090 kqread syslogd
48761 366437 1 0 3 0x100082 netio syslogd
84359 12831 1 77 3 0x100090 poll dhclient
73649 25804 1 0 3 0x80 poll dhclient
82808 360215 0 0 2 0x14200 zerothread
68965 239635 0 0 3 0x14200 aiodoned aiodoned
66166 257905 0 0 3 0x14200 syncer update
46187 470848 0 0 3 0x14200 cleaner cleaner
95142 500884 0 0 3 0x14200 reaper reaper
73624 250980 0 0 3 0x14200 pgdaemon pagedaemon
16811 58719 0 0 3 0x14200 bored crynlk
55277 192194 0 0 3 0x14200 bored crypto
77477 395823 0 0 3 0x40014200 acpi0 acpi0
41382 144145 0 0 3 0x40014200 idle1
67806 517923 0 0 3 0x14200 bored softnet
61060 415157 0 0 3 0x14200 bored systqmp
12073 305990 0 0 3 0x14200 bored systq
89458 380384 0 0 3 0x40014200 bored softclock
98810 249466 0 0 3 0x40014200 idle0
33107 154369 0 0 3 0x14200 bored smr
1 151183 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{0}> show all locks
Process 39553 (syz-executor.1) thread 0xffff800020acf8d8 (217439)
exclusive rwlock netlock r = 0 (0xffffffff8251b198)
#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 (0xffffffff8262db68)
#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{0}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim Kern Lim
devbuf 9555 7072K 7959K 78643K 13642 0 0
pcb 13 8K 8K 78643K 345 0 0
rtable 85 4K 5K 78643K 899 0 0
ifaddr 71 16K 17K 78643K 302 0 0
counters 39 33K 33K 78643K 39 0 0
ioctlops 0 0K 4K 78643K 1549 0 0
iov 0 0K 32K 78643K 203 0 0
mount 1 1K 1K 78643K 1 0 0
vnodes 1222 77K 77K 78643K 2246 0 0
UFS quota 1 32K 32K 78643K 1 0 0
UFS mount 5 36K 36K 78643K 5 0 0
shm 2 1K 5K 78643K 16 0 0
VM map 18 9K 9K 78643K 22 0 0
sem 12 0K 1K 78643K 531 0 0
dirhash 12 2K 2K 78643K 12 0 0
ACPI 1808 196K 290K 78643K 12765 0 0
file desc 6 17K 25K 78643K 1791 0 0
sigio 0 0K 0K 78643K 23 0 0
proc 62 63K 95K 78643K 724 0 0
subproc 32 2K 2K 78643K 102 0 0
NFS srvsock 1 0K 0K 78643K 1 0 0
NFS daemon 1 16K 16K 78643K 1 0 0
ip_moptions 0 0K 1K 78643K 182 0 0
in_multi 14 0K 2K 78643K 136 0 0
ether_multi 1 0K 0K 78643K 16 0 0
mrt 0 0K 0K 78643K 6 0 0
ISOFS mount 1 32K 32K 78643K 1 0 0
MSDOSFS mount 1 16K 16K 78643K 1 0 0
ttys 84 371K 371K 78643K 84 0 0
exec 0 0K 1K 78643K 324 0 0
pfkey data 0 0K 0K 78643K 2 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 144 161K 161K 78643K 8735 0 0
UVM aobj 130 4K 4K 78643K 130 0 0
memdesc 1 4K 4K 78643K 1 0 0
crypto data 1 1K 1K 78643K 1 0 0
ip6_options 0 0K 0K 78643K 1150 0 0
NDP 16 0K 0K 78643K 86 0 0
temp 199 3556K 4193K 78643K 80362 0 0
kqueue 0 0K 0K 78643K 4 0 0
SYN cache 2 16K 16K 78643K 2 0 0
ddb{0}> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
arp 64 22 0 19 1 0 1 1 0 8 0
plcache 128 20 0 0 1 0 1 1 0 8 0
rtpcb 80 119 0 117 1 0 1 1 0 8 0
rtentry 112 134 0 106 2 0 2 2 0 8 0
unpcb 120 664 0 653 1 0 1 1 0 8 0
syncache 264 9 0 9 4 4 0 1 0 8 0
sackhl 24 1 0 1 1 1 0 1 0 8 0
tcpqe 32 1 0 1 1 1 0 1 0 8 0
tcpcb 544 1255 0 1250 1 0 1 1 0 8 0
inpcb 280 6471 0 6462 29 25 4 6 0 8 3
rttmr 72 2 0 1 2 1 1 1 0 8 0
nd6 48 15 0 15 1 1 0 1 0 8 0
pkpcb 40 7 0 7 4 3 1 1 0 8 1
swfcl 56 1 0 0 1 0 1 1 0 8 0
ppxss 1128 42 0 42 12 11 1 1 0 8 1
pffrag 232 37 0 37 10 9 1 1 0 482 1
pffrnode 88 37 0 37 10 9 1 1 0 8 1
pffrent 40 1019 0 1019 10 9 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 24 106 0 83 1 0 1 1 0 8 0
pfstkey 112 106 0 83 1 0 1 1 0 8 0
pfstate 328 106 0 83 5 2 3 3 0 8 0
pfrule 1360 21 0 16 2 1 1 2 0 8 0
art_heap8 4096 8 0 6 7 4 3 3 0 8 1
art_heap4 256 558 0 400 20 7 13 16 0 8 0
art_table 32 566 0 406 3 1 2 3 0 8 0
art_node 16 133 0 107 1 0 1 1 0 8 0
sysvmsgpl 40 14 0 7 1 0 1 1 0 8 0
semupl 112 1 0 1 1 1 0 1 0 8 0
semapl 112 526 0 516 1 0 1 1 0 8 0
shmpl 112 128 0 0 4 0 4 4 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino1pl 128 3848 0 2440 46 0 46 46 0 8 0
ffsino 272 3848 0 2440 95 0 95 95 0 8 0
nchpl 144 6419 0 4808 61 0 61 61 0 8 0
uvmvnodes 72 4633 0 0 85 0 85 85 0 8 0
vnodes 208 4633 0 0 244 0 244 244 0 8 0
namei 1024 18517 0 18517 2 1 1 1 0 8 1
percpumem 16 30 0 0 1 0 1 1 0 8 0
vcpupl 1984 16 0 0 2 0 2 2 0 8 0
vmpool 552 20 0 4 3 1 2 2 0 8 0
scsiplug 64 1 0 1 1 1 0 1 0 8 0
scxspl 192 20769 0 20769 18 17 1 7 0 8 1
plimitpl 152 97 0 89 1 0 1 1 0 8 0
sigapl 432 1979 0 1963 3 1 2 3 0 8 0
futexpl 56 42303 0 42303 1 0 1 1 0 8 1
knotepl 112 299 0 280 1 0 1 1 0 8 0
kqueuepl 104 353 0 351 1 0 1 1 0 8 0
pipepl 112 5400 0 5373 13 11 2 2 0 8 1
fdescpl 488 1980 0 1963 3 0 3 3 0 8 0
filepl 152 20047 0 19938 16 10 6 7 0 8 0
lockfpl 104 410 0 409 1 0 1 1 0 8 0
lockfspl 48 149 0 148 1 0 1 1 0 8 0
sessionpl 112 22 0 11 1 0 1 1 0 8 0
pgrppl 48 37 0 26 1 0 1 1 0 8 0
ucredpl 96 1175 0 1166 1 0 1 1 0 8 0
zombiepl 144 1965 0 1965 2 1 1 1 0 8 1
processpl 896 1999 0 1965 4 0 4 4 0 8 0
procpl 632 7716 0 7667 9 4 5 6 0 8 0
srpgc 64 12 0 12 4 4 0 1 0 8 0
sosppl 128 27 0 27 10 9 1 1 0 8 1
sockpl 384 7273 0 7251 45 39 6 10 0 8 3
mcl64k 65536 261 0 0 33 28 5 33 0 8 0
mcl16k 16384 8 0 0 1 0 1 1 0 8 0
mcl12k 12288 22 0 0 2 0 2 2 0 8 0
mcl9k 9216 4 0 0 1 0 1 1 0 8 0
mcl8k 8192 17 0 0 3 0 3 3 0 8 0
mcl4k 4096 14 0 0 2 0 2 2 0 8 0
mcl2k2 2112 7 0 0 1 0 1 1 0 8 0
mcl2k 2048 198 0 0 23 2 21 23 0 8 0
mtagpl 80 71 0 0 2 0 2 2 0 8 0
mbufpl 256 604 0 0 24 0 24 24 0 8 0
bufpl 256 10853 0 3805 441 0 441 441 0 8 0
anonpl 16 219276 0 199568 164 83 81 98 0 124 0
amapchunkpl 152 15943 0 15778 31 23 8 14 0 158 1
amappl16 192 11229 0 10088 128 70 58 69 0 8 0
amappl15 184 9 0 8 1 0 1 1 0 8 0
amappl14 176 100 0 96 1 0 1 1 0 8 0
amappl13 168 9 0 9 2 2 0 1 0 8 0
amappl12 160 9 0 6 1 0 1 1 0 8 0
amappl11 152 195 0 178 1 0 1 1 0 8 0
amappl10 144 539 0 533 1 0 1 1 0 8 0
amappl9 136 976 0 969 1 0 1 1 0 8 0
amappl8 128 531 0 498 2 0 2 2 0 8 0
amappl7 120 581 0 576 1 0 1 1 0 8 0
amappl6 112 226 0 211 1 0 1 1 0 8 0
amappl5 104 177 0 164 1 0 1 1 0 8 0
amappl4 96 2209 0 2177 1 0 1 1 0 8 0
amappl3 88 281 0 275 1 0 1 1 0 8 0
amappl2 80 14713 0 14626 3 1 2 3 0 8 0
amappl1 72 56239 0 55778 25 15 10 20 0 8 0
amappl 80 8037 0 7982 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 64 129 0 0 3 0 3 3 0 8 0
uaddrrnd 24 2000 0 1963 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 2000 0 1963 1 0 1 1 0 8 0
vmmpekpl 168 35966 0 35928 3 0 3 3 0 8 0
vmmpepl 168 256151 0 253688 299 189 110 171 0 357 0
vmsppl 368 1979 0 1963 2 0 2 2 0 8 0
pdppl 4096 4007 0 3950 9 1 8 8 0 8 0
pvpl 32 631191 0 608911 309 118 191 221 0 265 2
pmappl 232 1999 0 1967 3 1 2 2 0 8 0
extentpl 40 41 0 26 1 0 1 1 0 8 0
phpool 112 670 0 46 19 0 19 19 0 8 0