login: panic: unhandled af 0
Stopped at db_enter+0x18: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
*431504 21063 0 0x2 0 0K syz-executor1752
418029 65764 0 0x12 0 1 sshd
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398
panic(ffffffff821d7d9a) at panic+0x15c sys/kern/subr_prf.c:207
unhandled_af(0) at unhandled_af+0x16
pf_addrcpy(ffff800020b1aef8,ffff800020b1b1f0,0) at pf_addrcpy+0x99 sys/net/pf.c:409
pfioctl(4900,c0504417,ffff800020b1b1f0,1,ffff800020ad8010) at pfioctl+0x43cf sys/net/pf_ioctl.c:1827
VOP_IOCTL(fffffd806f6cd360,c0504417,ffff800020b1b1f0,1,fffffd807f7be960,ffff800020ad8010) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:291
vn_ioctl(fffffd807726cb48,c0504417,ffff800020b1b1f0,ffff800020ad8010) at vn_ioctl+0xb7 sys/kern/vfs_vnops.c:533
sys_ioctl(ffff800020ad8010,ffff800020b1b308,ffff800020b1b350) at sys_ioctl+0x5b9
syscall(ffff800020b1b3d0) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:92 [inline]
syscall(ffff800020b1b3d0) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:555
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffe3020, count: 5
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(ffffffff821d7d9a) at panic+0x15c sys/kern/subr_prf.c:207
unhandled_af(0) at unhandled_af+0x16
pf_addrcpy(ffff800020b1aef8,ffff800020b1b1f0,0) at pf_addrcpy+0x99 sys/net/pf.c:409
pfioctl(4900,c0504417,ffff800020b1b1f0,1,ffff800020ad8010) at pfioctl+0x43cf sys/net/pf_ioctl.c:1827
VOP_IOCTL(fffffd806f6cd360,c0504417,ffff800020b1b1f0,1,fffffd807f7be960,ffff800020ad8010) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:291
vn_ioctl(fffffd807726cb48,c0504417,ffff800020b1b1f0,ffff800020ad8010) at vn_ioctl+0xb7 sys/kern/vfs_vnops.c:533
sys_ioctl(ffff800020ad8010,ffff800020b1b308,ffff800020b1b350) at sys_ioctl+0x5b9
syscall(ffff800020b1b3d0) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:92 [inline]
syscall(ffff800020b1b3d0) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:555
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffe3020, count: -10
ddb{0}> show registers
rdi 0
rsi 0x1
rbp 0xffff800020b1adb0
rbx 0xffff800020b1ae60
rdx 0x8b
rcx 0x2
rax 0x1
r8 0xffffffff81dfe84f kprintf+0x16f
r9 0x1
r10 0x7736dfac603f6f46
r11 0xf665b2eda11a7d66
r12 0x3000000008
r13 0xffff800020b1adc0
r14 0x100
r15 0x1
rip 0xffffffff81f3d998 db_enter+0x18
cs 0x8
rflags 0x246
rsp 0xffff800020b1ada0
ss 0x10
db_enter+0x18: addq $0x8,%rsp
ddb{0}> show proc
PROC (syz-executor1752) pid=431504 stat=onproc
flags process=2<EXEC> proc=0
pri=55, usrpri=55, nice=20
forw=0xffffffffffffffff, list=0xffff800020ad9158,0xffffffff82623980
process=0xffff800020aa2e30 user=0xffff800020b16000, vmspace=0xfffffd806e7ac738
estcpu=5, cpticks=1, pctcpu=0.0
user=0, sys=1, intr=0
ddb{0}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
*21063 431504 7484 0 7 0x2 syz-executor1752
7484 33041 65764 0 3 0x10008a pause ksh
65764 418029 79424 0 7 0x12 sshd
70273 167258 1 0 3 0x100083 ttyin getty
79424 75019 1 0 3 0x80 select sshd
78750 521666 13035 74 3 0x100092 bpf pflogd
13035 492831 1 0 3 0x80 netio pflogd
60502 182800 16925 73 3 0x100090 kqread syslogd
16925 454247 1 0 3 0x100082 netio syslogd
55311 304130 1 77 3 0x100090 poll dhclient
48653 6440 1 0 3 0x80 poll dhclient
4473 397383 0 0 3 0x14200 pgzero zerothread
18039 500865 0 0 3 0x14200 aiodoned aiodoned
53 203989 0 0 3 0x14200 syncer update
68871 11892 0 0 3 0x14200 cleaner cleaner
6244 517957 0 0 3 0x14200 reaper reaper
55735 270555 0 0 3 0x14200 pgdaemon pagedaemon
74135 508795 0 0 3 0x14200 bored crynlk
66851 442842 0 0 3 0x14200 bored crypto
67467 32370 0 0 3 0x40014200 acpi0 acpi0
73355 402318 0 0 3 0x40014200 idle1
20275 316376 0 0 3 0x14200 bored softnet
41026 151323 0 0 3 0x14200 bored systqmp
45962 392753 0 0 3 0x14200 bored systq
99167 261102 0 0 3 0x40014200 bored softclock
48668 64127 0 0 3 0x40014200 idle0
4338 1734 0 0 3 0x14200 bored smr
1 238076 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{0}> show all locks
Process 21063 (syz-executor1752) thread 0xffff800020ad8010 (431504)
exclusive rwlock netlock r = 0 (0xffffffff82471638)
#0 witness_lock+0x52e sys/kern/subr_witness.c:1163
#1 pfioctl+0x15f sys/net/pf_ioctl.c:1028
#2 VOP_IOCTL+0x88 sys/kern/vfs_vops.c:291
#3 vn_ioctl+0xb7 sys/kern/vfs_vnops.c:533
#4 sys_ioctl+0x5b9
#5 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:92 [inline]
#5 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:555
#6 Xsyscall+0x128
exclusive kernel_lock &kernel_lock r = 0 (0xffffffff8261e160)
#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
Process 65764 (sshd) thread 0xffff800020ad98c0 (418029)
exclusive rwlock pipeglk r = 0 (0xffffffff824a30f0)
#0 witness_lock+0x52e sys/kern/subr_witness.c:1163
#1 pipe_read+0x1ac sys/kern/sys_pipe.c:409
#2 dofilereadv+0x1a2 sys/kern/sys_generic.c:236
#3 sys_read+0x83 sys/kern/sys_generic.c:156
#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
ddb{0}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 9461 6393K 6394K 78643K 10552 0
pcb 13 8K 8K 78643K 13 0
rtable 61 2K 2K 78643K 127 0
ifaddr 29 8K 8K 78643K 30 0
counters 39 33K 33K 78643K 39 0
ioctlops 0 0K 4K 78643K 1467 0
mount 1 1K 1K 78643K 1 0
vnodes 1181 74K 74K 78643K 1186 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 1809 196K 290K 78643K 12766 0
file desc 1 0K 0K 78643K 1 0
proc 59 63K 71K 78643K 358 0
NFS srvsock 1 0K 0K 78643K 1 0
NFS daemon 1 16K 16K 78643K 1 0
in_multi 11 0K 0K 78643K 11 0
ether_multi 1 0K 0K 78643K 1 0
ISOFS mount 1 32K 32K 78643K 1 0
MSDOSFS mount 1 16K 16K 78643K 1 0
ttys 19 95K 95K 78643K 19 0
exec 0 0K 1K 78643K 177 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 66 3K 4K 78643K 816 0
UVM aobj 2 2K 2K 78643K 2 0
memdesc 1 4K 4K 78643K 1 0
crypto data 1 1K 1K 78643K 1 0
NDP 4 0K 0K 78643K 4 0
temp 26 3007K 3071K 78643K 1978 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 2 0 0 1 0 1 1 0 8 0
plcache 128 20 0 0 1 0 1 1 0 8 0
rtpcb 80 15 0 13 1 0 1 1 0 8 0
rtentry 112 23 0 1 1 0 1 1 0 8 0
unpcb 120 29 0 19 1 0 1 1 0 8 0
syncache 264 5 0 5 1 0 1 1 0 8 1
tcpcb 544 8 0 5 1 0 1 1 0 8 0
inpcb 280 29 0 23 1 0 1 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 8 0 0 1 0 1 1 0 8 0
pfstkey 112 8 0 0 1 0 1 1 0 8 0
pfstate 328 8 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
dino1pl 128 1401 0 16 45 0 45 45 0 8 0
ffsino 272 1401 0 16 93 0 93 93 0 8 0
nchpl 144 1577 0 34 58 0 58 58 0 8 0
uvmvnodes 72 1411 0 0 26 0 26 26 0 8 0
vnodes 208 1411 0 0 75 0 75 75 0 8 0
namei 1024 3773 0 3773 1 0 1 1 0 8 1
percpumem 16 30 0 0 1 0 1 1 0 8 0
scxspl 192 2519 0 2519 2 0 2 2 0 8 2
plimitpl 152 14 0 8 1 0 1 1 0 8 0
sigapl 432 204 0 192 2 0 2 2 0 8 0
knotepl 112 5 0 0 1 0 1 1 0 8 0
kqueuepl 104 1 0 0 1 0 1 1 0 8 0
pipepl 112 128 0 121 1 0 1 1 0 8 0
fdescpl 488 205 0 192 3 0 3 3 0 8 0
filepl 152 997 0 948 2 0 2 2 0 8 0
lockfpl 104 5 0 4 1 0 1 1 0 8 0
lockfspl 48 3 0 2 1 0 1 1 0 8 0
sessionpl 112 18 0 9 1 0 1 1 0 8 0
pgrppl 48 18 0 9 1 0 1 1 0 8 0
ucredpl 96 52 0 43 1 0 1 1 0 8 0
zombiepl 144 192 0 192 1 0 1 1 0 8 1
processpl 904 220 0 192 4 0 4 4 0 8 0
procpl 632 220 0 192 3 0 3 3 0 8 0
sockpl 384 73 0 55 2 0 2 2 0 8 0
mcl4k 4096 2 0 0 1 0 1 1 0 8 0
mcl2k 2048 72 0 0 9 0 9 9 0 8 0
mtagpl 80 2 0 0 1 0 1 1 0 8 0
mbufpl 256 90 0 0 6 0 6 6 0 8 0
bufpl 280 2200 0 274 138 0 138 138 0 8 0
anonpl 16 19267 0 18019 7 1 6 7 0 125 0
amapchunkpl 152 525 0 487 2 0 2 2 0 158 0
amappl16 192 30 0 28 1 0 1 1 0 8 0
amappl15 184 50 0 47 1 0 1 1 0 8 0
amappl14 176 15 0 14 1 0 1 1 0 8 0
amappl12 160 1 0 1 1 0 1 1 0 8 1
amappl11 152 53 0 38 1 0 1 1 0 8 0
amappl10 144 6 0 3 1 0 1 1 0 8 0
amappl9 136 420 0 419 1 0 1 1 0 8 0
amappl8 128 68 0 64 1 0 1 1 0 8 0
amappl7 120 76 0 68 1 0 1 1 0 8 0
amappl6 112 48 0 45 1 0 1 1 0 8 0
amappl5 104 135 0 119 1 0 1 1 0 8 0
amappl4 96 466 0 440 1 0 1 1 0 8 0
amappl3 88 108 0 101 1 0 1 1 0 8 0
amappl2 80 778 0 720 2 0 2 2 0 8 0
amappl1 72 13874 0 13449 15 3 12 15 0 8 2
amappl 80 408 0 387 1 0 1 1 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 1 0 0 1 0 1 1 0 8 0
uaddrrnd 24 205 0 192 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 205 0 192 1 0 1 1 0 8 0
vmmpekpl 168 5347 0 5326 1 0 1 1 0 8 0
vmmpepl 168 29796 0 28940 49 2 47 49 0 357 5
vmsppl 368 204 0 192 2 0 2 2 0 8 0
pdppl 4096 417 0 384 5 0 5 5 0 8 0
pvpl 32 79275 0 76270 29 0 29 29 0 265 2
pmappl 232 204 0 192 1 0 1 1 0 8 0
extentpl 40 46 0 29 1 0 1 1 0 8 0
phpool 112 136 0 3 4 0 4 4 0 8 0