panic: ifa_update_broadaddr does not support dypananimicc: l eknegrtnhe
lStopped at db_enter+0x18: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
*417843 14930 0 0 0x4000000 0 syz-executor.1
82301 69863 0 0 0x4000000 1 syz-executor.0
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(ffff800000add800,ffff800000b72a00,ffff800024bc1ce0) at ifa_update_broadaddr+0x61 sys/net/if.c:2970
in_ioctl(80206913,ffff800024bc1cd0,ffff800000add800,1) at in_ioctl+0x463 sys/netinet/in.c:299
ifioctl(fffffd8061795db0,80206913,ffff800024bc1cd0,ffff800020ace790) at ifioctl+0xb64 sys/net/if.c:2202
sys_ioctl(ffff800020ace790,ffff800024bc1de8,ffff800024bc1e30) at sys_ioctl+0x5b9
syscall(ffff800024bc1eb0) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:92 [inline]
syscall(ffff800024bc1eb0) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:555
Xsyscall(6,0,ffffffffffffff36,0,3,196c3736010) at Xsyscall+0x128
end of kernel
end trace frame: 0x1990dd61d00, 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(ffff800000add800,ffff800000b72a00,ffff800024bc1ce0) at ifa_update_broadaddr+0x61 sys/net/if.c:2970
in_ioctl(80206913,ffff800024bc1cd0,ffff800000add800,1) at in_ioctl+0x463 sys/netinet/in.c:299
ifioctl(fffffd8061795db0,80206913,ffff800024bc1cd0,ffff800020ace790) at ifioctl+0xb64 sys/net/if.c:2202
sys_ioctl(ffff800020ace790,ffff800024bc1de8,ffff800024bc1e30) at sys_ioctl+0x5b9
syscall(ffff800024bc1eb0) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:92 [inline]
syscall(ffff800024bc1eb0) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:555
Xsyscall(6,0,ffffffffffffff36,0,3,196c3736010) at Xsyscall+0x128
end of kernel
end trace frame: 0x1990dd61d00, count: -8
ddb{0}> show registers
rdi 0xffffffff81d20337 db_enter+0x17
rsi 0x1b96 __ALIGN_SIZE+0xb96
rbp 0xffff800024bc1a70
rbx 0xffff800024bc1b20
rdx 0x1b97 __ALIGN_SIZE+0xb97
rcx 0xffff800020f6e000
rax 0xffff800020f6e000
r8 0xffffffff8182804f kprintf+0x16f
r9 0x1
r10 0x25
r11 0xbfcecd5f1fa414a1
r12 0x3000000008
r13 0xffff800024bc1a80
r14 0x100
r15 0x1
rip 0xffffffff81d20338 db_enter+0x18
cs 0x8
rflags 0x246
rsp 0xffff800024bc1a60
ss 0x10
db_enter+0x18: addq $0x8,%rsp
ddb{0}> show proc
PROC (syz-executor.1) pid=417843 stat=onproc
flags process=0 proc=4000000<THREAD>
pri=77, usrpri=77, nice=20
forw=0xffffffffffffffff, list=0xffff800020acea08,0xffffffff8266a638
process=0xffff800020adc380 user=0xffff800024bbc000, vmspace=0xfffffd807f00b730
estcpu=36, cpticks=0, pctcpu=0.0
user=0, sys=0, intr=0
ddb{0}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
14930 107735 37939 0 2 0 syz-executor.1
*14930 417843 37939 0 7 0x4000000 syz-executor.1
69863 469189 86003 0 2 0 syz-executor.0
69863 82301 86003 0 7 0x4000000 syz-executor.0
86003 372488 79376 0 3 0x82 nanosleep syz-executor.0
48209 5735 0 0 3 0x14200 acct acct
37939 84921 79376 0 3 0x82 nanosleep syz-executor.1
54897 297509 1 0 3 0x100083 ttyin getty
25783 416188 0 0 3 0x14200 bored sosplice
79376 226436 91081 0 3 0x82 thrsleep syz-fuzzer
79376 104618 91081 0 3 0x4000082 nanosleep syz-fuzzer
79376 312352 91081 0 3 0x4000082 thrsleep syz-fuzzer
79376 93617 91081 0 3 0x4000082 thrsleep syz-fuzzer
79376 254143 91081 0 3 0x4000082 thrsleep syz-fuzzer
79376 480714 91081 0 3 0x4000082 thrsleep syz-fuzzer
79376 86694 91081 0 3 0x4000082 thrsleep syz-fuzzer
79376 277851 91081 0 3 0x4000082 thrsleep syz-fuzzer
79376 409776 91081 0 3 0x4000082 kqread syz-fuzzer
79376 485860 91081 0 3 0x4000082 thrsleep syz-fuzzer
91081 523605 71341 0 3 0x10008a pause ksh
71341 518669 51262 0 3 0x92 select sshd
51262 26216 1 0 3 0x80 select sshd
74250 488267 55836 74 3 0x100092 bpf pflogd
55836 146098 1 0 3 0x80 netio pflogd
75644 165262 38421 73 3 0x100090 kqread syslogd
38421 48700 1 0 3 0x100082 netio syslogd
76388 442036 1 77 3 0x100090 poll dhclient
62081 401790 1 0 3 0x80 poll dhclient
30074 345732 0 0 2 0x14200 zerothread
56279 141580 0 0 3 0x14200 aiodoned aiodoned
37850 107610 0 0 3 0x14200 syncer update
73991 192286 0 0 3 0x14200 cleaner cleaner
38298 398262 0 0 3 0x14200 reaper reaper
92962 489846 0 0 3 0x14200 pgdaemon pagedaemon
98265 361278 0 0 3 0x14200 bored crynlk
40558 290974 0 0 3 0x14200 bored crypto
11943 276955 0 0 3 0x40014200 acpi0 acpi0
51004 184948 0 0 3 0x40014200 idle1
62514 375357 0 0 3 0x14200 bored softnet
30076 289854 0 0 3 0x14200 bored systqmp
56318 238701 0 0 3 0x14200 bored systq
89644 51956 0 0 3 0x40014200 bored softclock
88918 371654 0 0 3 0x40014200 idle0
67500 178873 0 0 3 0x14200 bored smr
1 375746 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{0}> show all locks
Process 14930 (syz-executor.1) thread 0xffff800020ace790 (417843)
exclusive rwlock netlock r = 0 (0xffffffff82505ce8)
#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 (0xffffffff8262ed78)
#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 9620 6588K 8254K 78643K 23255 0 0
pcb 13 8K 8K 78643K 482 0 0
rtable 115 13K 14K 78643K 1633 0 0
ifaddr 98 19K 19K 78643K 458 0 0
counters 39 33K 33K 78643K 39 0 0
ioctlops 0 0K 4K 78643K 1555 0 0
iov 0 0K 28K 78643K 513 0 0
mount 1 1K 1K 78643K 1 0 0
vnodes 1232 77K 78K 78643K 5069 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 38 0 0
VM map 9 4K 5K 78643K 16 0 0
sem 12 0K 0K 78643K 926 0 0
dirhash 12 2K 2K 78643K 12 0 0
ACPI 1808 196K 290K 78643K 12765 0 0
file desc 6 17K 25K 78643K 2329 0 0
sigio 0 0K 0K 78643K 23 0 0
proc 62 63K 83K 78643K 1218 0 0
subproc 32 2K 2K 78643K 242 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 161 0 0
in_multi 35 2K 2K 78643K 261 0 0
ether_multi 1 0K 0K 78643K 26 0 0
mrt 0 0K 0K 78643K 22 0 0
ISOFS mount 1 32K 32K 78643K 1 0 0
MSDOSFS mount 1 16K 16K 78643K 1 0 0
ttys 90 397K 397K 78643K 90 0 0
exec 0 0K 1K 78643K 617 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 125 120K 129K 78643K 9345 0 0
UVM aobj 118 3K 3K 78643K 123 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 498 0 0
NDP 24 0K 1K 78643K 157 0 0
temp 259 3561K 3657K 78643K 92786 0 0
kqueue 0 0K 0K 78643K 21 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 49 0 43 1 0 1 1 0 8 0
plcache 128 20 0 0 1 0 1 1 0 8 0
rtpcb 80 171 0 169 1 0 1 1 0 8 0
rtentry 112 260 0 220 2 0 2 2 0 8 0
unpcb 120 1031 0 1019 1 0 1 1 0 8 0
syncache 264 11 0 11 3 3 0 1 0 8 0
sackhl 24 1 0 1 1 1 0 1 0 8 0
tcpqe 32 7634 0 7634 3 3 0 1 0 8 0
tcpcb 544 847 0 842 4 3 1 4 0 8 0
inpcb 280 2650 0 2641 9 7 2 4 0 8 1
rttmr 72 7 0 7 5 5 0 1 0 8 0
nd6 48 34 0 30 2 1 1 1 0 8 0
pkpcb 40 2 0 2 1 1 0 1 0 8 0
ppxss 1128 62 0 61 1 0 1 1 0 8 0
pffrag 232 50 0 50 6 6 0 1 0 482 0
pffrnode 88 50 0 50 6 6 0 1 0 8 0
pffrent 40 1136 0 1136 6 6 0 1 0 8 0
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 24 183 0 134 1 0 1 1 0 8 0
pfstkey 112 183 0 134 3 0 3 3 0 8 0
pfstate 328 183 0 133 7 0 7 7 0 8 0
pfrule 1360 21 0 16 2 1 1 2 0 8 0
art_heap8 4096 11 0 10 5 4 1 3 0 8 0
art_heap4 256 1039 0 823 24 9 15 15 0 8 0
art_table 32 1050 0 833 2 0 2 2 0 8 0
art_node 16 259 0 223 1 0 1 1 0 8 0
sysvmsgpl 40 23 0 3 1 0 1 1 0 8 0
semupl 112 2 0 2 2 2 0 1 0 8 0
semapl 112 924 0 914 1 0 1 1 0 8 0
shmpl 112 121 0 5 4 0 4 4 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino1pl 128 5081 0 3674 46 0 46 46 0 8 0
ffsino 272 5081 0 3674 95 0 95 95 0 8 0
nchpl 144 9384 0 7771 61 0 61 61 0 8 0
uvmvnodes 72 6072 0 0 111 0 111 111 0 8 0
vnodes 208 6072 0 0 320 0 320 320 0 8 0
namei 1024 32578 0 32578 4 3 1 1 0 8 1
percpumem 16 30 0 0 1 0 1 1 0 8 0
vcpupl 1984 7 0 0 1 0 1 1 0 8 0
vmpool 552 14 0 7 1 0 1 1 0 8 0
scsiplug 64 1 0 1 1 1 0 1 0 8 0
scxspl 192 26930 0 26930 27 26 1 7 0 8 1
plimitpl 152 205 0 197 1 0 1 1 0 8 0
sigapl 432 2495 0 2479 3 1 2 3 0 8 0
futexpl 56 52668 0 52668 1 0 1 1 0 8 1
knotepl 112 519 0 500 1 0 1 1 0 8 0
kqueuepl 104 511 0 509 1 0 1 1 0 8 0
pipepl 112 1508 0 1489 3 2 1 2 0 8 0
fdescpl 488 2496 0 2479 3 0 3 3 0 8 0
filepl 152 21427 0 21326 16 10 6 7 0 8 2
lockfpl 104 866 0 865 1 0 1 1 0 8 0
lockfspl 48 307 0 306 1 0 1 1 0 8 0
sessionpl 112 32 0 21 1 0 1 1 0 8 0
pgrppl 48 59 0 48 1 0 1 1 0 8 0
ucredpl 96 2337 0 2328 1 0 1 1 0 8 0
zombiepl 144 2480 0 2480 3 2 1 1 0 8 1
processpl 896 2514 0 2480 4 0 4 4 0 8 0
procpl 632 7897 0 7852 6 1 5 5 0 8 0
srpgc 64 18 0 18 5 4 1 1 0 8 1
sosppl 128 27 0 27 8 8 0 1 0 8 0
sockpl 384 3879 0 3856 13 9 4 7 0 8 0
mcl64k 65536 262 0 0 33 3 30 33 0 8 0
mcl16k 16384 7 0 0 1 0 1 1 0 8 0
mcl12k 12288 13 0 0 2 0 2 2 0 8 0
mcl9k 9216 10 0 0 1 0 1 1 0 8 0
mcl8k 8192 25 0 0 4 1 3 3 0 8 0
mcl4k 4096 13 0 0 2 0 2 2 0 8 0
mcl2k2 2112 6 0 0 1 0 1 1 0 8 0
mcl2k 2048 390 0 0 34 0 34 34 0 8 0
mtagpl 80 358 0 0 6 0 6 6 0 8 0
mbufpl 256 744 0 0 42 0 42 42 0 8 0
bufpl 256 17085 0 10037 441 0 441 441 0 8 0
anonpl 16 295014 0 277402 138 58 80 88 0 124 5
amapchunkpl 152 17951 0 17835 31 21 10 13 0 158 3
amappl16 192 13497 0 12477 112 60 52 64 0 8 0
amappl15 184 1 0 1 1 1 0 1 0 8 0
amappl14 176 437 0 435 2 1 1 1 0 8 0
amappl13 168 15 0 14 1 0 1 1 0 8 0
amappl12 160 332 0 327 1 0 1 1 0 8 0
amappl11 152 526 0 511 1 0 1 1 0 8 0
amappl10 144 327 0 321 1 0 1 1 0 8 0
amappl9 136 1016 0 1010 1 0 1 1 0 8 0
amappl8 128 598 0 563 2 0 2 2 0 8 0
amappl7 120 395 0 385 1 0 1 1 0 8 0
amappl6 112 495 0 482 1 0 1 1 0 8 0
amappl5 104 552 0 536 1 0 1 1 0 8 0
amappl4 96 2374 0 2339 2 1 1 2 0 8 0
amappl3 88 915 0 909 1 0 1 1 0 8 0
amappl2 80 18311 0 18233 4 2 2 3 0 8 0
amappl1 72 67150 0 66694 25 15 10 20 0 8 0
amappl 80 8400 0 8353 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 64 122 0 5 2 0 2 2 0 8 0
uaddrrnd 24 2510 0 2479 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 2510 0 2479 1 0 1 1 0 8 0
vmmpekpl 168 22465 0 22424 4 1 3 3 0 8 0
vmmpepl 168 320854 0 318567 238 110 128 135 0 357 27
vmsppl 368 2495 0 2479 2 0 2 2 0 8 0
pdppl 4096 5027 0 4979 8 1 7 7 0 8 1
pvpl 32 780141 0 759248 286 96 190 208 0 265 16
pmappl 232 2509 0 2486 3 1 2 2 0 8 0
extentpl 40 41 0 26 1 0 1 1 0 8 0
phpool 112 706 0 27 20 0 20 20 0 8 0