panic: receive 1: so 0xfffffd805e563640, so_type 3, sb_cc 33
Stopped at db_enter+0x18: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
* 50574 10854 0 0 0 0 dhclient
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398
panic(ffffffff821c07f7) at panic+0x15c sys/kern/subr_prf.c:207
soreceive(fffffd805e563640,0,ffff80001d3725c8,0,0,ffff80001d3724d4) at soreceive+0x16ac sys/kern/uipc_socket.c:823
soo_read(fffffd805eb12000,ffff80001d3725c8,0) at soo_read+0x53 sys/kern/sys_socket.c:70
dofilereadv(ffff80001d3394e8,6,ffff80001d3725c8,0,ffff80001d3726b0) at dofilereadv+0x1a1 sys/kern/sys_generic.c:237
sys_read(ffff80001d3394e8,ffff80001d372660,ffff80001d3726b0) at sys_read+0x83 sys/kern/sys_generic.c:157
syscall(ffff80001d372730) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffe3370, 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 0xfffffd805e563640, so_type 3, sb_cc 33
ddb> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398
panic(ffffffff821c07f7) at panic+0x15c sys/kern/subr_prf.c:207
soreceive(fffffd805e563640,0,ffff80001d3725c8,0,0,ffff80001d3724d4) at soreceive+0x16ac sys/kern/uipc_socket.c:823
soo_read(fffffd805eb12000,ffff80001d3725c8,0) at soo_read+0x53 sys/kern/sys_socket.c:70
dofilereadv(ffff80001d3394e8,6,ffff80001d3725c8,0,ffff80001d3726b0) at dofilereadv+0x1a1 sys/kern/sys_generic.c:237
sys_read(ffff80001d3394e8,ffff80001d372660,ffff80001d3726b0) at sys_read+0x83 sys/kern/sys_generic.c:157
syscall(ffff80001d372730) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffe3370, count: -8
ddb> show registers
rdi 0
rsi 0x1
rbp 0xffff80001d372310
rbx 0xffff80001d3723c0
rdx 0x2
rcx 0
rax 0
r8 0xffff80001d3722d0
r9 0x1
r10 0
r11 0x199a274029b44868
r12 0x3000000008
r13 0xffff80001d372320
r14 0x100
r15 0x1
rip 0xffffffff8176b428 db_enter+0x18
cs 0x8
rflags 0x246
rsp 0xffff80001d372300
ss 0x10
db_enter+0x18: addq $0x8,%rsp
ddb> show proc
PROC (dhclient) pid=50574 stat=onproc
flags process=0 proc=0
pri=24, usrpri=50, nice=20
forw=0xffffffffffffffff, list=0xffff80001d33a118,0xffff80001d339768
process=0xffff8000ffffb190 user=0xffff80001d36d000, vmspace=0xfffffd806bc0a000
estcpu=0, cpticks=0, pctcpu=0.0
user=0, sys=0, intr=0
ddb> ps
PID TID PPID UID S FLAGS WAIT COMMAND
16446 369430 10860 0 2 0 syz-executor.0
16446 408795 10860 0 2 0x4000000 syz-executor.0
38566 189767 76727 60929 3 0x3010 suspend syz-executor.1
38566 248536 76727 60929 2 0x4081010 syz-executor.1
7248 454696 0 0 3 0x14200 bored sosplice
10860 264531 3852 0 3 0x82 nanosleep syz-executor.0
76727 90138 3852 0 3 0x82 nanosleep syz-executor.1
3852 274977 57038 0 3 0x82 thrsleep syz-fuzzer
3852 360902 57038 0 3 0x4000082 nanosleep syz-fuzzer
3852 326645 57038 0 3 0x4000082 thrsleep syz-fuzzer
3852 46971 57038 0 3 0x4000082 thrsleep syz-fuzzer
3852 83612 57038 0 3 0x4000082 thrsleep syz-fuzzer
3852 504642 57038 0 3 0x4000082 kqread syz-fuzzer
3852 377940 57038 0 3 0x4000082 thrsleep syz-fuzzer
3852 122198 57038 0 3 0x4000082 thrsleep syz-fuzzer
57038 413827 53881 0 3 0x10008a pause ksh
53881 227285 22599 0 3 0x92 select sshd
53494 324556 1 0 3 0x100083 ttyin getty
22599 425625 1 0 3 0x80 select sshd
92821 192882 20569 73 3 0x100090 kqread syslogd
20569 452080 1 0 3 0x100082 netio syslogd
56253 110621 1 77 2 0x100010 dhclient
*10854 50574 1 0 7 0 dhclient
56410 145067 0 0 3 0x14200 bored smr
85478 140019 0 0 2 0x14200 zerothread
21967 270490 0 0 3 0x14200 aiodoned aiodoned
72095 398791 0 0 3 0x14200 syncer update
38597 363226 0 0 3 0x14200 cleaner cleaner
64286 347502 0 0 3 0x14200 reaper reaper
72578 209409 0 0 3 0x14200 pgdaemon pagedaemon
58230 19380 0 0 3 0x14200 bored crynlk
44049 300095 0 0 3 0x14200 bored crypto
73478 40913 0 0 3 0x40014200 acpi0 acpi0
11732 366109 0 0 3 0x14200 bored softnet
58217 482079 0 0 3 0x14200 bored systqmp
58379 331685 0 0 3 0x14200 bored systq
45455 319304 0 0 3 0x40014200 bored softclock
70036 451217 0 0 3 0x40014200 idle0
1 4191 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 9489 6527K 6721K 78643K 10839 0
pcb 13 8K 8K 78643K 39 0
rtable 108 3K 3K 78643K 340 0
ifaddr 56 12K 12K 78643K 78 0
counters 21 16K 16K 78643K 24 0
ioctlops 0 0K 2K 78643K 19 0
iov 0 0K 12K 78643K 10 0
mount 1 1K 1K 78643K 1 0
vnodes 1224 77K 77K 78643K 1315 0
UFS quota 1 32K 32K 78643K 1 0
UFS mount 5 36K 36K 78643K 5 0
shm 2 1K 5K 78643K 4 0
VM map 2 0K 0K 78643K 2 0
sem 12 0K 0K 78643K 20 0
dirhash 12 2K 2K 78643K 12 0
ACPI 1794 195K 288K 78643K 12646 0
file desc 6 17K 25K 78643K 155 0
sigio 0 0K 0K 78643K 2 0
proc 49 38K 63K 78643K 374 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 95 0
in_multi 46 2K 3K 78643K 55 0
ether_multi 1 0K 0K 78643K 5 0
ISOFS mount 1 32K 32K 78643K 1 0
MSDOSFS mount 1 16K 16K 78643K 1 0
ttys 37 175K 175K 78643K 37 0
exec 0 0K 1K 78643K 203 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 105 21K 37K 78643K 1205 0
UVM aobj 8 2K 2K 78643K 10 0
memdesc 1 4K 4K 78643K 1 0
crypto data 1 1K 1K 78643K 1 0
ip6_options 0 0K 0K 78643K 12 0
NDP 8 0K 0K 78643K 15 0
temp 93 3012K 3088K 78643K 3495 0
kqueue 3 4K 9K 78643K 20 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 0 1 0 1 1 0 8 0
rtpcb 80 162 0 160 1 0 1 1 0 8 0
rtentry 112 45 0 1 2 0 2 2 0 8 0
unpcb 120 283 0 275 2 0 2 2 0 8 1
syncache 264 4 0 4 1 1 0 1 0 8 0
tcpqe 32 46 0 46 1 1 0 1 0 8 0
tcpcb 544 52 0 48 1 0 1 1 0 8 0
inpcb 280 298 0 291 2 0 2 2 0 8 1
nd6 48 6 0 0 1 0 1 1 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 188 0 0 12 0 12 12 0 8 0
art_table 32 189 0 0 2 0 2 2 0 8 0
art_node 16 44 0 4 1 0 1 1 0 8 0
sysvmsgpl 40 29 0 13 1 0 1 1 0 8 0
semapl 112 18 0 8 1 0 1 1 0 8 0
shmpl 112 8 0 2 1 0 1 1 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino1pl 128 1598 0 195 46 0 46 46 0 8 0
ffsino 240 1598 0 195 83 0 83 83 0 8 0
nchpl 144 2004 0 389 60 0 60 60 0 8 0
uvmvnodes 72 1713 0 0 32 0 32 32 0 8 0
vnodes 208 1713 0 0 91 0 91 91 0 8 0
namei 1024 5047 0 5045 1 0 1 1 0 8 0
vmpool 528 2 0 2 1 0 1 1 0 8 1
scxspl 192 5873 0 5873 1 0 1 1 0 8 1
plimitpl 152 21 0 14 1 0 1 1 0 8 0
sigapl 424 342 0 312 4 0 4 4 0 8 0
futexpl 56 3504 0 3504 1 0 1 1 0 8 1
knotepl 112 72 0 53 1 0 1 1 0 8 0
kqueuepl 144 30 0 28 1 0 1 1 0 8 0
pipelkpl 16 92 0 82 1 0 1 1 0 8 0
pipepl 120 184 0 165 1 0 1 1 0 8 0
fdescpl 432 327 0 312 2 0 2 2 0 8 0
filepl 120 2237 0 2137 5 0 5 5 0 8 1
lockfpl 104 28 0 27 1 0 1 1 0 8 0
lockfspl 48 12 0 11 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 96 160 0 152 1 0 1 1 0 8 0
zombiepl 144 313 0 312 1 0 1 1 0 8 0
processpl 896 342 0 312 4 0 4 4 0 8 0
procpl 624 518 0 479 4 0 4 4 0 8 1
sosppl 128 3 0 3 1 0 1 1 0 8 1
sockpl 400 743 0 726 8 0 8 8 0 8 6
mcl64k 65536 27 0 27 1 0 1 1 0 8 1
mcl16k 16384 1 0 1 1 0 1 1 0 8 1
mcl12k 12288 5 0 5 1 0 1 1 0 8 1
mcl8k 8192 17 0 16 1 0 1 1 0 8 0
mcl4k 4096 24 0 24 2 1 1 1 0 8 1
mcl2k2 2112 3 0 3 1 0 1 1 0 8 1
mcl2k 2048 64200 0 64150 15 4 11 13 0 8 4
mtagpl 80 19 0 2 2 1 1 1 0 8 0
mbufpl 256 104162 0 104019 22 1 21 21 0 8 2
bufpl 280 4194 0 162 288 0 288 288 0 8 0
anonpl 16 49694 0 33803 84 2 82 82 0 107 13
amapchunkpl 152 1482 0 1331 8 0 8 8 0 158 0
amappl16 192 1825 0 897 56 1 55 56 0 8 8
amappl15 184 3 0 1 1 0 1 1 0 8 0
amappl14 176 5 0 2 2 1 1 1 0 8 0
amappl13 168 32 0 30 1 0 1 1 0 8 0
amappl12 160 4 0 4 1 1 0 1 0 8 0
amappl11 152 125 0 111 1 0 1 1 0 8 0
amappl10 144 73 0 67 1 0 1 1 0 8 0
amappl9 136 379 0 375 1 0 1 1 0 8 0
amappl8 128 281 0 259 1 0 1 1 0 8 0
amappl7 120 163 0 152 1 0 1 1 0 8 0
amappl6 112 88 0 81 1 0 1 1 0 8 0
amappl5 104 203 0 191 1 0 1 1 0 8 0
amappl4 96 496 0 470 1 0 1 1 0 8 0
amappl3 88 106 0 101 1 0 1 1 0 8 0
amappl2 80 1820 0 1747 3 1 2 3 0 8 0
amappl1 72 15323 0 14892 26 15 11 20 0 8 2
amappl 80 751 0 703 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 18 0 17 1 0 1 1 0 8 0
aobjpl 64 9 0 2 1 0 1 1 0 8 0
uaddrrnd 24 329 0 314 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 329 0 314 1 0 1 1 0 8 0
vmmpekpl 168 6236 0 6210 2 0 2 2 0 8 0
vmmpepl 168 46193 0 44098 152 6 146 147 0 357 54
vmsppl 272 328 0 314 2 1 1 2 0 8 0
pdppl 4096 664 0 628 6 1 5 6 0 8 0
pvpl 32 154003 0 135062 193 0 193 193 0 265 31
pmappl 200 328 0 314 1 0 1 1 0 8 0
extentpl 40 46 0 29 1 0 1 1 0 8 0
phpool 112 165 0 10 5 0 5 5 0 8 0