panic: receive 1a: so 0xfffffd8062f5c320, so_type 3, m 0xfffffd805ad62500, m_type 0
Stopped at db_enter+0x18: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
*230095 8062 0 0 0 0 dhclient
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398
panic(ffffffff823d8a74) at panic+0x164 sys/kern/subr_prf.c:218
soreceive(fffffd8062f5c320,0,ffff80001d6e1528,0,0,ffff80001d6e1434) at soreceive+0x170a sys/kern/uipc_socket.c:983
soo_read(fffffd8062ff2780,ffff80001d6e1528,0) at soo_read+0x53 sys/kern/sys_socket.c:70
dofilereadv(ffff8000ffff84f8,6,ffff80001d6e1528,0,ffff80001d6e1610) at dofilereadv+0x1a1 sys/kern/sys_generic.c:237
sys_read(ffff8000ffff84f8,ffff80001d6e15c0,ffff80001d6e1610) at sys_read+0x83 sys/kern/sys_generic.c:157
syscall(ffff80001d6e1690) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffc6ba0, 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>
ddb> set $lines = 0
ddb> set $maxwidth = 0
ddb> show panic
receive 1a: so 0xfffffd8062f5c320, so_type 3, m 0xfffffd805ad62500, m_type 0
ddb> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398
panic(ffffffff823d8a74) at panic+0x164 sys/kern/subr_prf.c:218
soreceive(fffffd8062f5c320,0,ffff80001d6e1528,0,0,ffff80001d6e1434) at soreceive+0x170a sys/kern/uipc_socket.c:983
soo_read(fffffd8062ff2780,ffff80001d6e1528,0) at soo_read+0x53 sys/kern/sys_socket.c:70
dofilereadv(ffff8000ffff84f8,6,ffff80001d6e1528,0,ffff80001d6e1610) at dofilereadv+0x1a1 sys/kern/sys_generic.c:237
sys_read(ffff8000ffff84f8,ffff80001d6e15c0,ffff80001d6e1610) at sys_read+0x83 sys/kern/sys_generic.c:157
syscall(ffff80001d6e1690) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffc6ba0, count: -8
ddb> show registers
rdi 0
rsi 0x1
rbp 0xffff80001d6e1270
rbx 0xffff80001d6e1320
rdx 0x8b
rcx 0x2
rax 0x1
r8 0xffff80001d6e1230
r9 0xffffffff815b7cff kprintf+0x15f
r10 0x1
r11 0x890578c22cc6c222
r12 0x3000000008
r13 0xffff80001d6e1280
r14 0x100
r15 0x1
rip 0xffffffff82254f08 db_enter+0x18
cs 0x8
rflags 0x246
rsp 0xffff80001d6e1260
ss 0x10
db_enter+0x18: addq $0x8,%rsp
ddb> show proc
PROC (dhclient) pid=230095 stat=onproc
flags process=0 proc=0
pri=24, usrpri=50, nice=20
forw=0xffffffffffffffff, list=0xffff8000ffff93c8,0xffff8000ffff8290
process=0xffff80001d6c0770 user=0xffff80001d6dc000, vmspace=0xfffffd806bc0a330
estcpu=0, cpticks=0, pctcpu=0.0
user=0, sys=0, intr=0
ddb> ps
PID TID PPID UID S FLAGS WAIT COMMAND
49287 93055 68369 0 3 0x82 thrsleep syz-execprog
49287 515959 68369 0 3 0x4000082 thrsleep syz-execprog
49287 110420 68369 0 3 0x4000082 wait syz-execprog
49287 469057 68369 0 3 0x4000082 thrsleep syz-execprog
49287 50729 68369 0 3 0x4000082 thrsleep syz-execprog
49287 365864 68369 0 3 0x4000082 kqread syz-execprog
49287 417777 68369 0 3 0x4000082 thrsleep syz-execprog
68369 43941 19870 0 3 0x10008a pause ksh
19870 101929 26516 0 3 0x92 select sshd
2122 82705 1 0 3 0x100083 ttyin getty
26516 441218 1 0 3 0x80 select sshd
26126 222121 61976 73 3 0x100090 kqread syslogd
61976 134796 1 0 3 0x100082 netio syslogd
46392 191504 1 77 2 0x100010 dhclient
* 8062 230095 1 0 7 0 dhclient
71105 321998 0 0 3 0x14200 bored smr
62459 122712 0 0 3 0x14200 pgzero zerothread
23410 36512 0 0 3 0x14200 aiodoned aiodoned
39563 313574 0 0 3 0x14200 syncer update
14021 157094 0 0 3 0x14200 cleaner cleaner
94393 222009 0 0 3 0x14200 reaper reaper
77672 351751 0 0 3 0x14200 pgdaemon pagedaemon
95191 319606 0 0 3 0x14200 bored crynlk
60454 110861 0 0 3 0x14200 bored crypto
19411 233418 0 0 3 0x40014200 acpi0 acpi0
49272 95550 0 0 2 0x14200 softnet
36287 153816 0 0 2 0x14200 systqmp
25905 215826 0 0 3 0x14200 bored systq
80556 53053 0 0 3 0x40014200 bored softclock
44198 480852 0 0 3 0x40014200 idle0
1 11583 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb> show all locks
No such command
ddb> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 9440 6320K 6320K 78643K 10540 0
pcb 13 8K 8K 78643K 13 0
rtable 61 1K 2K 78643K 155 0
ifaddr 24 7K 9K 78643K 33 0
counters 19 16K 16K 78643K 20 0
ioctlops 0 0K 2K 78643K 14 0
mount 1 1K 1K 78643K 1 0
vnodes 1182 74K 74K 78643K 1187 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 0K 0K 78643K 2 0
sem 2 0K 0K 78643K 2 0
dirhash 12 2K 2K 78643K 12 0
ACPI 1809 195K 288K 78643K 12938 0
file desc 2 4K 12K 78643K 18 0
proc 47 38K 54K 78643K 318 0
NFS srvsock 1 0K 0K 78643K 1 0
NFS daemon 1 16K 16K 78643K 1 0
in_multi 11 0K 1K 78643K 22 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 171 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 75 11K 12K 78643K 879 0
UVM aobj 3 2K 2K 78643K 3 0
memdesc 1 4K 4K 78643K 1 0
crypto data 1 1K 1K 78643K 1 0
NDP 3 0K 0K 78643K 6 0
temp 18 3849K 3913K 78643K 1624 0
kqueue 3 4K 4K 78643K 3 0
SYN cache 2 16K 16K 78643K 2 0
ddb> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
arp 64 4 0 2 1 0 1 1 0 8 0
rtpcb 88 17 0 15 1 0 1 1 0 8 0
rtentry 112 34 0 12 1 0 1 1 0 8 0
unpcb 120 27 0 19 1 0 1 1 0 8 0
syncache 272 5 0 5 2 1 1 1 0 8 1
tcpcb 592 8 0 5 1 0 1 1 0 8 0
inpcb 296 27 0 21 1 0 1 1 0 8 0
nd6 48 3 0 3 1 0 1 1 0 8 1
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 144 0 0 9 0 9 9 0 8 0
art_table 32 145 0 0 2 0 2 2 0 8 0
art_node 16 33 0 3 1 0 1 1 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 1413 0 22 87 0 87 87 0 8 0
ffsino 240 1413 0 22 82 0 82 82 0 8 0
nchpl 144 1631 0 39 60 0 60 60 0 8 0
uvmvnodes 72 1422 0 0 26 0 26 26 0 8 0
vnodes 208 1422 0 0 75 0 75 75 0 8 0
namei 1024 3939 0 3939 2 1 1 1 0 8 1
scxspl 200 4199 0 4199 1 0 1 1 0 8 1
plimitpl 152 14 0 8 1 0 1 1 0 8 0
sigapl 424 212 0 186 4 0 4 4 0 8 0
knotepl 112 48 0 38 1 0 1 1 0 8 0
kqueuepl 152 2 0 0 1 0 1 1 0 8 0
pipepl 272 71 0 64 2 1 1 1 0 8 0
fdescpl 432 198 0 186 2 0 2 2 0 8 0
filepl 120 980 0 927 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 120 18 0 9 1 0 1 1 0 8 0
pgrppl 48 18 0 9 1 0 1 1 0 8 0
ucredpl 96 57 0 50 1 0 1 1 0 8 0
zombiepl 144 187 0 186 2 1 1 1 0 8 0
processpl 944 212 0 186 4 0 4 4 0 8 0
procpl 632 218 0 186 3 0 3 3 0 8 0
sockpl 400 71 0 55 2 0 2 2 0 8 0
mcl4k 4096 10 0 10 2 1 1 1 0 8 1
mcl2k 2048 4941 0 4913 6 2 4 6 0 8 0
mtagpl 96 2 0 2 1 1 0 1 0 8 0
mbufpl 256 8796 0 8719 8 1 7 7 0 8 0
bufpl 280 2898 0 116 199 0 199 199 0 8 0
anonpl 16 22205 0 20664 14 2 12 12 0 107 4
amapchunkpl 152 924 0 860 4 0 4 4 0 158 1
amappl16 192 131 0 101 2 0 2 2 0 8 0
amappl15 184 1 0 0 1 0 1 1 0 8 0
amappl14 176 1 0 0 1 0 1 1 0 8 0
amappl13 168 20 0 18 2 1 1 1 0 8 0
amappl12 160 28 0 24 1 0 1 1 0 8 0
amappl11 152 42 0 33 1 0 1 1 0 8 0
amappl10 144 9 0 6 1 0 1 1 0 8 0
amappl9 136 196 0 195 1 0 1 1 0 8 0
amappl8 128 240 0 226 1 0 1 1 0 8 0
amappl7 120 97 0 89 1 0 1 1 0 8 0
amappl6 112 31 0 26 1 0 1 1 0 8 0
amappl5 104 131 0 122 1 0 1 1 0 8 0
amappl4 96 427 0 403 1 0 1 1 0 8 0
amappl3 88 128 0 119 1 0 1 1 0 8 0
amappl2 80 781 0 726 2 0 2 2 0 8 0
amappl1 72 13450 0 13066 24 7 17 17 0 8 8
amappl 80 456 0 430 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 2 0 0 1 0 1 1 0 8 0
uaddrrnd 24 198 0 186 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 198 0 186 1 0 1 1 0 8 0
vmmpekpl 168 6099 0 6082 1 0 1 1 0 8 0
vmmpepl 168 29418 0 28562 81 12 69 69 0 357 31
vmsppl 272 197 0 186 1 0 1 1 0 8 0
pdppl 4096 402 0 372 5 0 5 5 0 8 0
pvpl 32 106408 0 102698 103 2 101 101 0 265 69
pmappl 200 197 0 186 1 0 1 1 0 8 0
extentpl 40 53 0 36 1 0 1 1 0 8 0
phpool 112 214 0 9 6 0 6 6 0 8 0
ddb> machine ddbcpu 0
No such command
ddb> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398
panic(ffffffff823d8a74) at panic+0x164 sys/kern/subr_prf.c:218
soreceive(fffffd8062f5c320,0,ffff80001d6e1528,0,0,ffff80001d6e1434) at soreceive+0x170a sys/kern/uipc_socket.c:983
soo_read(fffffd8062ff2780,ffff80001d6e1528,0) at soo_read+0x53 sys/kern/sys_socket.c:70
dofilereadv(ffff8000ffff84f8,6,ffff80001d6e1528,0,ffff80001d6e1610) at dofilereadv+0x1a1 sys/kern/sys_generic.c:237
sys_read(ffff8000ffff84f8,ffff80001d6e15c0,ffff80001d6e1610) at sys_read+0x83 sys/kern/sys_generic.c:157
syscall(ffff80001d6e1690) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffc6ba0, count: -8
ddb> machine ddbcpu 1
No such command
ddb> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398
panic(ffffffff823d8a74) at panic+0x164 sys/kern/subr_prf.c:218
soreceive(fffffd8062f5c320,0,ffff80001d6e1528,0,0,ffff80001d6e1434) at soreceive+0x170a sys/kern/uipc_socket.c:983
soo_read(fffffd8062ff2780,ffff80001d6e1528,0) at soo_read+0x53 sys/kern/sys_socket.c:70
dofilereadv(ffff8000ffff84f8,6,ffff80001d6e1528,0,ffff80001d6e1610) at dofilereadv+0x1a1 sys/kern/sys_generic.c:237
sys_read(ffff8000ffff84f8,ffff80001d6e15c0,ffff80001d6e1610) at sys_read+0x83 sys/kern/sys_generic.c:157
syscall(ffff80001d6e1690) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffc6ba0, count: -8
ddb>