panic: receive 1a: so 0xfffffd806b7084b0, so_type 3, m 0xfffffd805c634700, m_type 0
Stopped at db_enter+0x18: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
* 72739 89810 0 0 0 0 dhclient
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398
panic(ffffffff823ce5dc) at panic+0x15c sys/kern/subr_prf.c:207
soreceive(fffffd806b7084b0,0,ffff80001d6e55d8,0,0,ffff80001d6e54e4) at soreceive+0x170a sys/kern/uipc_socket.c:983
soo_read(fffffd80633f8708,ffff80001d6e55d8,0) at soo_read+0x53 sys/kern/sys_socket.c:70
dofilereadv(ffff80001d6a9758,6,ffff80001d6e55d8,0,ffff80001d6e56c0) at dofilereadv+0x1a1 sys/kern/sys_generic.c:237
sys_read(ffff80001d6a9758,ffff80001d6e5670,ffff80001d6e56c0) at sys_read+0x83 sys/kern/sys_generic.c:157
syscall(ffff80001d6e5740) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffc7150, 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 0xfffffd806b7084b0, so_type 3, m 0xfffffd805c634700, m_type 0
ddb> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398
panic(ffffffff823ce5dc) at panic+0x15c sys/kern/subr_prf.c:207
soreceive(fffffd806b7084b0,0,ffff80001d6e55d8,0,0,ffff80001d6e54e4) at soreceive+0x170a sys/kern/uipc_socket.c:983
soo_read(fffffd80633f8708,ffff80001d6e55d8,0) at soo_read+0x53 sys/kern/sys_socket.c:70
dofilereadv(ffff80001d6a9758,6,ffff80001d6e55d8,0,ffff80001d6e56c0) at dofilereadv+0x1a1 sys/kern/sys_generic.c:237
sys_read(ffff80001d6a9758,ffff80001d6e5670,ffff80001d6e56c0) at sys_read+0x83 sys/kern/sys_generic.c:157
syscall(ffff80001d6e5740) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffc7150, count: -8
ddb> show registers
rdi 0
rsi 0x1
rbp 0xffff80001d6e5320
rbx 0xffff80001d6e53d0
rdx 0x2
rcx 0
rax 0x1
r8 0xffffffff81c7cd1f kprintf+0x15f
r9 0x1
r10 0x2
r11 0xf6ab85284fff134
r12 0x3000000008
r13 0xffff80001d6e5330
r14 0x100
r15 0x1
rip 0xffffffff811a2f98 db_enter+0x18
cs 0x8
rflags 0x246
rsp 0xffff80001d6e5310
ss 0x10
db_enter+0x18: addq $0x8,%rsp
ddb> show proc
PROC (dhclient) pid=72739 stat=onproc
flags process=0 proc=0
pri=24, usrpri=51, nice=20
forw=0xffffffffffffffff, list=0xffff80001d6aa5f8,0xffff80001d6a9288
process=0xffff80001d6c43b0 user=0xffff80001d6e0000, vmspace=0xfffffd806bc0a220
estcpu=1, cpticks=1, pctcpu=0.0
user=0, sys=1, intr=0
ddb> ps
PID TID PPID UID S FLAGS WAIT COMMAND
5125 169212 98090 0 2 0 syz-executor.1
5125 494756 98090 0 2 0x4000000 syz-executor.1
1561 175798 0 0 3 0x14200 bored sosplice
98090 464428 55152 0 2 0x482 syz-executor.1
44740 363677 55152 0 2 0x482 syz-executor.0
55152 352755 23897 0 3 0x82 kqread syz-fuzzer
55152 365067 23897 0 3 0x4000082 thrsleep syz-fuzzer
55152 89819 23897 0 3 0x4000082 thrsleep syz-fuzzer
55152 350602 23897 0 3 0x4000082 thrsleep syz-fuzzer
55152 256367 23897 0 3 0x4000082 thrsleep syz-fuzzer
55152 324994 23897 0 3 0x4000082 thrsleep syz-fuzzer
55152 234872 23897 0 3 0x4000082 thrsleep syz-fuzzer
23897 106925 54501 0 3 0x10008a pause ksh
54501 99226 75681 0 3 0x92 select sshd
99333 24461 1 0 3 0x100083 ttyin getty
75681 463010 1 0 3 0x80 select sshd
59359 371270 69153 73 3 0x100090 kqread syslogd
69153 108502 1 0 3 0x100082 netio syslogd
44006 179696 1 77 2 0x100010 dhclient
*89810 72739 1 0 7 0 dhclient
56426 308835 0 0 3 0x14200 bored smr
28334 21942 0 0 2 0x14200 zerothread
77931 437481 0 0 3 0x14200 aiodoned aiodoned
49642 461816 0 0 3 0x14200 syncer update
35060 299825 0 0 3 0x14200 cleaner cleaner
31109 425964 0 0 3 0x14200 reaper reaper
33664 431127 0 0 3 0x14200 pgdaemon pagedaemon
2508 64384 0 0 3 0x14200 bored crynlk
80682 978 0 0 3 0x14200 bored crypto
55419 468846 0 0 3 0x40014200 acpi0 acpi0
28379 182567 0 0 3 0x14200 bored softnet
23021 234479 0 0 3 0x14200 bored systqmp
11200 239063 0 0 3 0x14200 bored systq
48639 175565 0 0 3 0x40014200 bored softclock
76959 419774 0 0 3 0x40014200 idle0
1 5041 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 9460 6334K 6589K 78643K 10600 0
pcb 13 8K 8K 78643K 19 0
rtable 110 4K 7K 78643K 270 0
ifaddr 47 11K 12K 78643K 67 0
counters 21 16K 16K 78643K 21 0
ioctlops 0 0K 4K 78643K 25 0
iov 0 0K 12K 78643K 2 0
mount 1 1K 1K 78643K 1 0
vnodes 1218 77K 77K 78643K 1233 0
UFS quota 1 32K 32K 78643K 1 0
UFS mount 5 36K 36K 78643K 5 0
shm 2 1K 5K 78643K 3 0
VM map 2 0K 0K 78643K 2 0
sem 4 0K 0K 78643K 4 0
dirhash 12 2K 2K 78643K 12 0
ACPI 1809 195K 288K 78643K 12938 0
file desc 5 13K 25K 78643K 70 0
proc 49 38K 54K 78643K 369 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 1 0
in_multi 40 2K 2K 78643K 50 0
ether_multi 1 0K 0K 78643K 2 0
ISOFS mount 1 32K 32K 78643K 1 0
MSDOSFS mount 1 16K 16K 78643K 1 0
ttys 31 148K 148K 78643K 31 0
exec 0 0K 1K 78643K 181 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 120 22K 38K 78643K 1003 0
UVM aobj 3 2K 2K 78643K 3 0
memdesc 1 4K 4K 78643K 1 0
crypto data 1 1K 1K 78643K 1 0
ip6_options 0 0K 0K 78643K 8 0
NDP 6 0K 0K 78643K 12 0
temp 68 3850K 3913K 78643K 1889 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 6 0 0 1 0 1 1 0 8 0
rtpcb 80 66 0 63 1 0 1 1 0 8 0
rtentry 112 47 0 3 2 0 2 2 0 8 0
unpcb 120 33 0 25 1 0 1 1 0 8 0
syncache 264 4 0 4 1 1 0 1 0 8 0
tcpqe 32 715 0 715 1 0 1 1 0 8 1
tcpcb 544 16 0 12 1 0 1 1 0 8 0
inpcb 296 60 0 53 1 0 1 1 0 8 0
nd6 48 8 0 2 1 0 1 1 0 8 0
pfrktable 1344 23 0 21 1 0 1 1 0 8 0
pftag 88 6 0 6 1 0 1 1 0 8 1
pfrule 1360 8 0 6 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 46 0 6 1 0 1 1 0 8 0
sysvmsgpl 40 2 0 2 1 0 1 1 0 8 1
semapl 112 2 0 0 1 0 1 1 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 1464 0 65 88 0 88 88 0 8 0
ffsino 240 1464 0 65 83 0 83 83 0 8 0
nchpl 144 1741 0 136 60 0 60 60 0 8 0
uvmvnodes 72 1518 0 0 28 0 28 28 0 8 0
vnodes 208 1518 0 0 80 0 80 80 0 8 0
namei 1024 4343 0 4343 2 1 1 1 0 8 1
pfiaddrpl 120 10 0 8 1 0 1 1 0 8 0
scxspl 192 5217 0 5217 2 1 1 1 0 8 1
plimitpl 152 16 0 9 1 0 1 1 0 8 0
sigapl 424 257 0 228 4 0 4 4 0 8 0
futexpl 56 800 0 800 1 0 1 1 0 8 1
knotepl 112 61 0 42 1 0 1 1 0 8 0
kqueuepl 144 10 0 8 1 0 1 1 0 8 0
pipepl 272 78 0 68 2 0 2 2 0 8 1
fdescpl 432 242 0 228 2 0 2 2 0 8 0
filepl 120 1255 0 1158 4 0 4 4 0 8 0
lockfpl 104 12 0 11 1 0 1 1 0 8 0
lockfspl 48 6 0 5 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 65 0 58 1 0 1 1 0 8 0
zombiepl 144 228 0 227 2 1 1 1 0 8 0
processpl 928 257 0 227 4 0 4 4 0 8 0
procpl 624 307 0 270 4 0 4 4 0 8 1
sosppl 128 2 0 2 1 0 1 1 0 8 1
sockpl 400 159 0 141 3 0 3 3 0 8 1
mcl12k 12288 2 0 2 1 0 1 1 0 8 1
mcl8k 8192 1 0 1 1 0 1 1 0 8 1
mcl4k 4096 8 0 8 1 1 0 1 0 8 0
mcl2k 2048 77666 0 77602 35 18 17 26 0 8 8
mtagpl 96 5 0 2 2 1 1 1 0 8 0
mbufpl 256 123447 0 123286 20 4 16 16 0 8 1
bufpl 280 3378 0 126 233 0 233 233 0 8 0
anonpl 16 37618 0 23103 62 2 60 60 0 107 0
amapchunkpl 152 1818 0 1690 19 0 19 19 0 158 13
amappl16 192 1042 0 254 41 0 41 41 0 8 1
amappl15 184 23 0 21 1 0 1 1 0 8 0
amappl14 176 23 0 18 1 0 1 1 0 8 0
amappl13 168 26 0 23 1 0 1 1 0 8 0
amappl12 160 28 0 22 1 0 1 1 0 8 0
amappl11 152 58 0 47 1 0 1 1 0 8 0
amappl10 144 10 0 8 1 0 1 1 0 8 0
amappl9 136 373 0 372 1 0 1 1 0 8 0
amappl8 128 329 0 288 2 0 2 2 0 8 0
amappl7 120 108 0 95 1 0 1 1 0 8 0
amappl6 112 23 0 19 1 0 1 1 0 8 0
amappl5 104 190 0 179 1 0 1 1 0 8 0
amappl4 96 416 0 391 1 0 1 1 0 8 0
amappl3 88 107 0 99 1 0 1 1 0 8 0
amappl2 80 1119 0 1056 2 0 2 2 0 8 0
amappl1 72 14142 0 13735 24 14 10 17 0 8 1
amappl 80 529 0 490 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 24 242 0 228 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 242 0 228 1 0 1 1 0 8 0
vmmpekpl 168 5781 0 5755 2 0 2 2 0 8 0
vmmpepl 168 36614 0 34743 118 12 106 106 0 357 24
vmsppl 272 241 0 228 2 0 2 2 0 8 1
pdppl 4096 490 0 456 6 0 6 6 0 8 1
pvpl 32 130101 0 112620 149 3 146 146 0 265 4
pmappl 200 241 0 228 1 0 1 1 0 8 0
extentpl 40 53 0 36 1 0 1 1 0 8 0
phpool 112 267 0 26 7 0 7 7 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(ffffffff823ce5dc) at panic+0x15c sys/kern/subr_prf.c:207
soreceive(fffffd806b7084b0,0,ffff80001d6e55d8,0,0,ffff80001d6e54e4) at soreceive+0x170a sys/kern/uipc_socket.c:983
soo_read(fffffd80633f8708,ffff80001d6e55d8,0) at soo_read+0x53 sys/kern/sys_socket.c:70
dofilereadv(ffff80001d6a9758,6,ffff80001d6e55d8,0,ffff80001d6e56c0) at dofilereadv+0x1a1 sys/kern/sys_generic.c:237
sys_read(ffff80001d6a9758,ffff80001d6e5670,ffff80001d6e56c0) at sys_read+0x83 sys/kern/sys_generic.c:157
syscall(ffff80001d6e5740) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffc7150, 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(ffffffff823ce5dc) at panic+0x15c sys/kern/subr_prf.c:207
soreceive(fffffd806b7084b0,0,ffff80001d6e55d8,0,0,ffff80001d6e54e4) at soreceive+0x170a sys/kern/uipc_socket.c:983
soo_read(fffffd80633f8708,ffff80001d6e55d8,0) at soo_read+0x53 sys/kern/sys_socket.c:70
dofilereadv(ffff80001d6a9758,6,ffff80001d6e55d8,0,ffff80001d6e56c0) at dofilereadv+0x1a1 sys/kern/sys_generic.c:237
sys_read(ffff80001d6a9758,ffff80001d6e5670,ffff80001d6e56c0) at sys_read+0x83 sys/kern/sys_generic.c:157
syscall(ffff80001d6e5740) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffc7150, count: -8