panic: receive 1: so 0xfffffd805e4d2000, so_type 3, sb_cc 112
Stopped at db_enter+0x18: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
*495424 70261 0 0 0 0 dhclient
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398
panic(ffffffff821a2cc5) at panic+0x15c sys/kern/subr_prf.c:207
soreceive(fffffd805e4d2000,0,ffff80001d37e5f8,0,0,ffff80001d37e504) at soreceive+0x16ac sys/kern/uipc_socket.c:798
soo_read(fffffd80619fc438,ffff80001d37e5f8,0) at soo_read+0x53 sys/kern/sys_socket.c:70
dofilereadv(ffff8000ffff93c8,6,ffff80001d37e5f8,0,ffff80001d37e6e0) at dofilereadv+0x1a2 sys/kern/sys_generic.c:236
sys_read(ffff8000ffff93c8,ffff80001d37e690,ffff80001d37e6e0) at sys_read+0x83 sys/kern/sys_generic.c:156
syscall(ffff80001d37e760) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffe2e30, 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 1: so 0xfffffd805e4d2000, so_type 3, sb_cc 112
ddb> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398
panic(ffffffff821a2cc5) at panic+0x15c sys/kern/subr_prf.c:207
soreceive(fffffd805e4d2000,0,ffff80001d37e5f8,0,0,ffff80001d37e504) at soreceive+0x16ac sys/kern/uipc_socket.c:798
soo_read(fffffd80619fc438,ffff80001d37e5f8,0) at soo_read+0x53 sys/kern/sys_socket.c:70
dofilereadv(ffff8000ffff93c8,6,ffff80001d37e5f8,0,ffff80001d37e6e0) at dofilereadv+0x1a2 sys/kern/sys_generic.c:236
sys_read(ffff8000ffff93c8,ffff80001d37e690,ffff80001d37e6e0) at sys_read+0x83 sys/kern/sys_generic.c:156
syscall(ffff80001d37e760) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffe2e30, count: -8
ddb> show registers
rdi 0
rsi 0x1
rbp 0xffff80001d37e340
rbx 0xffff80001d37e3f0
rdx 0x2
rcx 0
rax 0
r8 0xffff80001d37e300
r9 0x1
r10 0
r11 0xe9981e387ca5ecbc
r12 0x3000000008
r13 0xffff80001d37e350
r14 0x100
r15 0x1
rip 0xffffffff815afb78 db_enter+0x18
cs 0x8
rflags 0x246
rsp 0xffff80001d37e330
ss 0x10
db_enter+0x18: addq $0x8,%rsp
ddb> show proc
PROC (dhclient) pid=495424 stat=onproc
flags process=0 proc=0
pri=50, usrpri=50, nice=20
forw=0xffffffffffffffff, list=0xffff8000ffff8008,0xffff8000ffff9650
process=0xffff8000ffff6a48 user=0xffff80001d379000, vmspace=0xfffffd806bc09110
estcpu=0, cpticks=1, pctcpu=0.0
user=0, sys=1, intr=0
ddb> ps
PID TID PPID UID S FLAGS WAIT COMMAND
37508 121112 60178 0 2 0 syz-executor.0
37508 63995 60178 0 3 0x4000000 tqbar syz-executor.0
14954 26298 0 0 3 0x14200 bored sosplice
60178 2213 90824 0 2 0x482 syz-executor.0
13131 306042 90824 0 3 0x82 nanosleep syz-executor.1
90824 296163 40335 0 3 0x82 thrsleep syz-fuzzer
90824 141758 40335 0 3 0x4000082 thrsleep syz-fuzzer
90824 342675 40335 0 3 0x4000082 thrsleep syz-fuzzer
90824 485092 40335 0 3 0x4000082 thrsleep syz-fuzzer
90824 317874 40335 0 3 0x4000082 kqread syz-fuzzer
90824 184266 40335 0 3 0x4000082 thrsleep syz-fuzzer
90824 60246 40335 0 3 0x4000082 thrsleep syz-fuzzer
90824 112473 40335 0 3 0x4000082 thrsleep syz-fuzzer
40335 50796 70873 0 3 0x10008a pause ksh
70873 344866 22086 0 3 0x92 select sshd
19741 69706 1 0 3 0x100083 ttyin getty
22086 451193 1 0 3 0x80 select sshd
97981 521468 50252 73 3 0x100090 kqread syslogd
50252 153514 1 0 3 0x100082 netio syslogd
77395 491433 1 77 2 0x100010 dhclient
*70261 495424 1 0 7 0 dhclient
73806 507255 0 0 2 0x14200 zerothread
64590 391545 0 0 3 0x14200 aiodoned aiodoned
62243 179846 0 0 3 0x14200 syncer update
85617 450618 0 0 3 0x14200 cleaner cleaner
10000 316994 0 0 3 0x14200 reaper reaper
14644 261939 0 0 3 0x14200 pgdaemon pagedaemon
77103 150839 0 0 3 0x14200 bored crynlk
71145 442687 0 0 3 0x14200 bored crypto
82709 217588 0 0 3 0x40014200 acpi0 acpi0
97846 490762 0 0 2 0x14200 softnet
54409 170849 0 0 2 0x14200 systqmp
55811 474450 0 0 3 0x14200 bored systq
20543 16306 0 0 3 0x40014200 bored softclock
77263 36789 0 0 3 0x40014200 idle0
51724 97527 0 0 3 0x14200 bored smr
1 249607 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 9474 6334K 6588K 78643K 10697 0
pcb 13 8K 8K 78643K 29 0
rtable 74 10K 11K 78643K 320 0
ifaddr 49 10K 14K 78643K 92 0
counters 19 16K 16K 78643K 19 0
ioctlops 0 0K 2K 78643K 45 0
iov 0 0K 12K 78643K 14 0
mount 1 1K 1K 78643K 1 0
vnodes 1215 76K 77K 78643K 1262 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 6 0K 0K 78643K 6 0
dirhash 12 2K 2K 78643K 12 0
ACPI 1794 195K 288K 78643K 12646 0
file desc 5 13K 25K 78643K 220 0
sigio 0 0K 0K 78643K 10 0
proc 48 38K 54K 78643K 359 0
subproc 32 2K 2K 78643K 34 0
NFS srvsock 1 0K 0K 78643K 1 0
NFS daemon 1 16K 16K 78643K 1 0
ip_moptions 0 0K 0K 78643K 6 0
in_multi 63 2K 3K 78643K 136 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 43 201K 201K 78643K 43 0
exec 0 0K 1K 78643K 183 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 111 22K 31K 78643K 1312 0
UVM aobj 4 2K 2K 78643K 4 0
memdesc 1 4K 4K 78643K 1 0
crypto data 1 1K 1K 78643K 1 0
ip6_options 0 0K 1K 78643K 26 0
NDP 8 0K 0K 78643K 15 0
temp 82 3009K 3074K 78643K 3636 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 6 0 4 1 0 1 1 0 8 0
rtpcb 80 29 0 27 1 0 1 1 0 8 0
rtentry 112 87 0 60 2 0 2 2 0 8 0
unpcb 120 49 0 41 1 0 1 1 0 8 0
syncache 264 4 0 4 1 1 0 1 0 8 0
tcpqe 32 20 0 20 2 2 0 1 0 8 0
tcpcb 544 26 0 22 1 0 1 1 0 8 0
inpcb 280 324 0 316 2 0 2 2 0 8 1
nd6 48 7 0 7 1 0 1 1 0 8 1
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 543 0 349 14 0 14 14 0 8 0
art_table 32 544 0 349 2 0 2 2 0 8 0
art_node 16 86 0 52 1 0 1 1 0 8 0
sysvmsgpl 40 4 0 2 1 0 1 1 0 8 0
semupl 112 1 0 1 1 0 1 1 0 8 1
semapl 112 4 0 0 1 0 1 1 0 8 0
shmpl 112 2 0 0 1 0 1 1 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino1pl 128 1633 0 234 46 0 46 46 0 8 0
ffsino 240 1633 0 234 83 0 83 83 0 8 0
nchpl 144 2063 0 452 60 0 60 60 0 8 0
uvmvnodes 72 1706 0 0 32 0 32 32 0 8 0
vnodes 208 1706 0 0 90 0 90 90 0 8 0
namei 1024 5016 0 5016 1 0 1 1 0 8 1
scxspl 192 5673 0 5673 1 0 1 1 0 8 1
plimitpl 152 14 0 7 1 0 1 1 0 8 0
sigapl 432 391 0 378 2 0 2 2 0 8 0
futexpl 56 2719 0 2719 1 0 1 1 0 8 1
knotepl 112 64 0 45 1 0 1 1 0 8 0
kqueuepl 104 142 0 139 1 0 1 1 0 8 0
pipepl 112 228 0 209 1 0 1 1 0 8 0
fdescpl 424 392 0 378 2 0 2 2 0 8 0
filepl 120 1988 0 1891 4 0 4 4 0 8 1
lockfpl 104 16 0 15 1 0 1 1 0 8 0
lockfspl 48 5 0 4 1 0 1 1 0 8 0
sessionpl 112 17 0 7 1 0 1 1 0 8 0
pgrppl 48 17 0 7 1 0 1 1 0 8 0
ucredpl 96 121 0 114 1 0 1 1 0 8 0
zombiepl 144 378 0 377 1 0 1 1 0 8 0
processpl 872 407 0 377 4 0 4 4 0 8 0
procpl 632 616 0 578 4 0 4 4 0 8 0
sosppl 128 7 0 7 1 0 1 1 0 8 1
sockpl 384 408 0 390 3 0 3 3 0 8 1
mcl64k 65536 8 0 8 1 0 1 1 0 8 1
mcl16k 16384 1 0 1 1 0 1 1 0 8 1
mcl12k 12288 2 0 2 1 0 1 1 0 8 1
mcl9k 9216 1 0 1 1 0 1 1 0 8 1
mcl8k 8192 4 0 4 1 0 1 1 0 8 1
mcl4k 4096 12 0 12 2 1 1 1 0 8 1
mcl2k 2048 69191 0 69143 16 4 12 13 0 8 5
mtagpl 80 9 0 6 2 1 1 1 0 8 0
mbufpl 256 110308 0 110245 15 3 12 12 0 8 0
bufpl 280 6357 0 1326 360 0 360 360 0 8 0
anonpl 16 52778 0 33911 86 1 85 85 0 107 5
amapchunkpl 152 1664 0 1516 11 0 11 11 0 158 4
amappl16 192 1848 0 751 56 0 56 56 0 8 1
amappl15 184 213 0 207 1 0 1 1 0 8 0
amappl14 176 28 0 24 1 0 1 1 0 8 0
amappl13 168 2 0 1 1 0 1 1 0 8 0
amappl12 160 113 0 111 2 1 1 1 0 8 0
amappl11 152 50 0 39 1 0 1 1 0 8 0
amappl10 144 17 0 14 1 0 1 1 0 8 0
amappl9 136 561 0 558 1 0 1 1 0 8 0
amappl8 128 110 0 89 1 0 1 1 0 8 0
amappl7 120 88 0 78 1 0 1 1 0 8 0
amappl6 112 56 0 49 1 0 1 1 0 8 0
amappl5 104 235 0 225 1 0 1 1 0 8 0
amappl4 96 603 0 575 1 0 1 1 0 8 0
amappl3 88 119 0 110 1 0 1 1 0 8 0
amappl2 80 2427 0 2358 3 1 2 3 0 8 0
amappl1 72 16402 0 15989 26 16 10 20 0 8 2
amappl 80 842 0 797 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 3 0 0 1 0 1 1 0 8 0
uaddrrnd 24 392 0 378 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 392 0 378 1 0 1 1 0 8 0
vmmpekpl 168 6406 0 6385 2 0 2 2 0 8 0
vmmpepl 168 54138 0 51953 136 5 131 131 0 357 31
vmsppl 272 391 0 378 2 0 2 2 0 8 1
pdppl 4096 790 0 756 6 0 6 6 0 8 1
pvpl 32 164567 0 142709 198 0 198 198 0 265 14
pmappl 200 391 0 378 1 0 1 1 0 8 0
extentpl 40 46 0 29 1 0 1 1 0 8 0
phpool 112 149 0 10 4 0 4 4 0 8 0