panic: receive 1: so 0xfffffd805e4d5300, so_type 3, sb_cc 1410
Stopped at db_enter+0x18: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
*164908 65273 0 0 0 0 dhclient
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398
panic(ffffffff821a3874) at panic+0x15c sys/kern/subr_prf.c:207
soreceive(fffffd805e4d5300,0,ffff80001d37e9f8,0,0,ffff80001d37e904) at soreceive+0x16ac sys/kern/uipc_socket.c:812
soo_read(fffffd8062ffe708,ffff80001d37e9f8,0) at soo_read+0x53 sys/kern/sys_socket.c:70
dofilereadv(ffff8000ffff9150,6,ffff80001d37e9f8,0,ffff80001d37eae0) at dofilereadv+0x1a2 sys/kern/sys_generic.c:236
sys_read(ffff8000ffff9150,ffff80001d37ea90,ffff80001d37eae0) at sys_read+0x83 sys/kern/sys_generic.c:156
syscall(ffff80001d37eb60) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7fffff9860, 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 0xfffffd805e4d5300, so_type 3, sb_cc 1410
ddb> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398
panic(ffffffff821a3874) at panic+0x15c sys/kern/subr_prf.c:207
soreceive(fffffd805e4d5300,0,ffff80001d37e9f8,0,0,ffff80001d37e904) at soreceive+0x16ac sys/kern/uipc_socket.c:812
soo_read(fffffd8062ffe708,ffff80001d37e9f8,0) at soo_read+0x53 sys/kern/sys_socket.c:70
dofilereadv(ffff8000ffff9150,6,ffff80001d37e9f8,0,ffff80001d37eae0) at dofilereadv+0x1a2 sys/kern/sys_generic.c:236
sys_read(ffff8000ffff9150,ffff80001d37ea90,ffff80001d37eae0) at sys_read+0x83 sys/kern/sys_generic.c:156
syscall(ffff80001d37eb60) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7fffff9860, count: -8
ddb> show registers
rdi 0
rsi 0x1
rbp 0xffff80001d37e740
rbx 0xffff80001d37e7f0
rdx 0x2
rcx 0
rax 0
r8 0xffff80001d37e700
r9 0x1
r10 0
r11 0x5ade3ae451531ea0
r12 0x3000000008
r13 0xffff80001d37e750
r14 0x100
r15 0x1
rip 0xffffffff816dde08 db_enter+0x18
cs 0x8
rflags 0x246
rsp 0xffff80001d37e730
ss 0x10
db_enter+0x18: addq $0x8,%rsp
ddb> show proc
PROC (dhclient) pid=164908 stat=onproc
flags process=0 proc=0
pri=50, usrpri=50, nice=20
forw=0xffffffffffffffff, list=0xffff8000ffff8280,0xffff8000ffff9650
process=0xffff8000ffff6d90 user=0xffff80001d379000, vmspace=0xfffffd806bc09330
estcpu=0, cpticks=0, pctcpu=0.0
user=0, sys=0, intr=0
ddb> ps
PID TID PPID UID S FLAGS WAIT COMMAND
15965 276476 65548 0 2 0 syz-executor.0
15965 111988 65548 0 2 0x4000000 syz-executor.0
36773 255391 0 0 3 0x14200 acct acct
42263 86657 0 0 3 0x14200 bored sosplice
65548 390661 92812 0 3 0x82 nanosleep syz-executor.0
51132 100646 92812 0 3 0x82 nanosleep syz-executor.1
92812 421399 80191 0 3 0x82 thrsleep syz-fuzzer
92812 76789 80191 0 3 0x4000082 thrsleep syz-fuzzer
92812 481484 80191 0 3 0x4000082 thrsleep syz-fuzzer
92812 306767 80191 0 3 0x4000082 thrsleep syz-fuzzer
92812 297115 80191 0 3 0x4000082 thrsleep syz-fuzzer
92812 492450 80191 0 3 0x4000082 kqread syz-fuzzer
92812 209365 80191 0 3 0x4000082 thrsleep syz-fuzzer
80191 186132 64320 0 3 0x10008a pause ksh
64320 394831 69878 0 3 0x92 select sshd
49366 205316 1 0 3 0x100083 ttyin getty
69878 442011 1 0 3 0x80 select sshd
88338 488709 90929 73 3 0x100090 kqread syslogd
90929 410545 1 0 3 0x100082 netio syslogd
33774 467376 1 77 2 0x100010 dhclient
*65273 164908 1 0 7 0 dhclient
25615 361057 0 0 2 0x14200 zerothread
92513 418163 0 0 3 0x14200 aiodoned aiodoned
20835 486861 0 0 3 0x14200 syncer update
45582 63670 0 0 3 0x14200 cleaner cleaner
87934 6484 0 0 3 0x14200 reaper reaper
5536 483420 0 0 3 0x14200 pgdaemon pagedaemon
80081 166193 0 0 3 0x14200 bored crynlk
97551 230416 0 0 3 0x14200 bored crypto
86031 79916 0 0 3 0x40014200 acpi0 acpi0
95015 446467 0 0 2 0x14200 softnet
95288 379039 0 0 3 0x14200 bored systqmp
6261 520862 0 0 3 0x14200 bored systq
15961 374908 0 0 3 0x40014200 bored softclock
43610 427465 0 0 3 0x40014200 idle0
75213 141974 0 0 3 0x14200 bored smr
1 320358 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 9524 6487K 6854K 78643K 11160 0
pcb 13 8K 8K 78643K 57 0
rtable 111 4K 4K 78643K 309 0
ifaddr 92 18K 18K 78643K 123 0
counters 19 16K 16K 78643K 19 0
ioctlops 0 0K 2K 78643K 29 0
iov 0 0K 16K 78643K 60 0
mount 1 1K 1K 78643K 1 0
vnodes 1220 77K 77K 78643K 1410 0
UFS quota 1 32K 32K 78643K 1 0
UFS mount 5 36K 36K 78643K 5 0
shm 2 1K 5K 78643K 6 0
VM map 2 0K 0K 78643K 2 0
sem 11 1K 1K 78643K 19 0
dirhash 12 2K 2K 78643K 12 0
ACPI 1794 195K 288K 78643K 12646 0
file desc 5 13K 25K 78643K 272 0
sigio 0 0K 0K 78643K 3 0
proc 50 38K 63K 78643K 382 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 20 0
in_multi 75 3K 3K 78643K 113 0
ether_multi 1 0K 0K 78643K 6 0
mrt 0 0K 0K 78643K 3 0
ISOFS mount 1 32K 32K 78643K 1 0
MSDOSFS mount 1 16K 16K 78643K 1 0
ttys 55 254K 254K 78643K 55 0
exec 0 0K 1K 78643K 218 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 106 21K 37K 78643K 1505 0
UVM aobj 15 2K 2K 78643K 17 0
memdesc 1 4K 4K 78643K 1 0
crypto data 1 1K 1K 78643K 1 0
ip6_options 0 0K 0K 78643K 32 0
NDP 14 0K 0K 78643K 25 0
temp 118 3005K 3068K 78643K 8439 0
kqueue 3 4K 12K 78643K 44 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 8 0 1 1 0 1 1 0 8 0
rtpcb 80 69 0 67 1 0 1 1 0 8 0
rtentry 112 71 0 27 2 0 2 2 0 8 0
unpcb 120 423 0 415 2 1 1 2 0 8 0
syncache 264 7 0 7 3 2 1 1 0 8 1
tcpqe 32 267 0 267 1 1 0 1 0 8 0
tcpcb 544 377 0 371 4 2 2 3 0 8 1
ipq 40 4 0 4 2 2 0 1 0 8 0
ipqe 40 52 0 52 2 2 0 1 0 8 0
inpcb 280 569 0 562 3 1 2 3 0 8 1
rttmr 72 1 0 1 1 1 0 1 0 8 0
nd6 48 8 0 6 1 0 1 1 0 8 0
ppxss 1128 2 0 1 2 1 1 1 0 8 0
art_heap8 4096 2 0 0 2 0 2 2 0 8 0
art_heap4 256 362 0 160 17 2 15 17 0 8 0
art_table 32 364 0 160 3 0 3 3 0 8 0
art_node 16 69 0 27 1 0 1 1 0 8 0
sysvmsgpl 40 2 0 2 1 0 1 1 0 8 1
semupl 112 2 0 2 1 1 0 1 0 8 0
semapl 112 11 0 2 1 0 1 1 0 8 0
shmpl 112 15 0 2 1 0 1 1 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino1pl 128 1800 0 400 46 0 46 46 0 8 0
ffsino 240 1800 0 400 83 0 83 83 0 8 0
nchpl 144 2419 0 819 60 0 60 60 0 8 0
uvmvnodes 72 1979 0 0 36 0 36 36 0 8 0
vnodes 208 1979 0 0 105 0 105 105 0 8 0
namei 1024 6555 0 6555 1 0 1 1 0 8 1
vmpool 528 6 0 6 2 1 1 1 0 8 1
scxspl 192 6673 0 6673 1 0 1 1 0 8 1
plimitpl 152 40 0 33 1 0 1 1 0 8 0
sigapl 432 443 0 430 2 0 2 2 0 8 0
futexpl 56 7797 0 7797 1 0 1 1 0 8 1
knotepl 112 110 0 91 1 0 1 1 0 8 0
kqueuepl 104 234 0 232 1 0 1 1 0 8 0
pipelkpl 16 117 0 107 1 0 1 1 0 8 0
pipepl 120 234 0 215 1 0 1 1 0 8 0
fdescpl 432 444 0 430 2 0 2 2 0 8 0
filepl 120 3624 0 3528 6 2 4 5 0 8 1
lockfpl 104 89 0 88 1 0 1 1 0 8 0
lockfspl 48 40 0 39 1 0 1 1 0 8 0
sessionpl 112 17 0 7 1 0 1 1 0 8 0
pgrppl 48 49 0 39 1 0 1 1 0 8 0
ucredpl 96 392 0 385 1 0 1 1 0 8 0
zombiepl 144 430 0 429 1 0 1 1 0 8 0
processpl 864 460 0 429 4 0 4 4 0 8 0
procpl 632 789 0 751 5 1 4 5 0 8 0
sosppl 128 3 0 3 2 2 0 1 0 8 0
sockpl 384 1061 0 1044 7 3 4 7 0 8 2
mcl64k 65536 291 0 291 32 3 29 32 0 8 29
mcl16k 16384 3 0 3 3 2 1 1 0 8 1
mcl12k 12288 10 0 10 2 1 1 1 0 8 1
mcl9k 9216 4 0 4 1 1 0 1 0 8 0
mcl8k 8192 8 0 8 1 1 0 1 0 8 0
mcl4k 4096 40 0 40 2 1 1 1 0 8 1
mcl2k2 2112 1 0 1 1 1 0 1 0 8 0
mcl2k 2048 60609 0 60549 17 9 8 16 0 8 0
mtagpl 80 17 0 2 2 1 1 1 0 8 0
mbufpl 256 99278 0 99099 34 8 26 33 0 8 8
bufpl 280 6694 0 1326 384 0 384 384 0 8 0
anonpl 16 64978 0 49706 81 3 78 79 0 107 15
amapchunkpl 152 2036 0 1896 12 1 11 11 0 158 5
amappl16 192 2774 0 1948 59 9 50 54 0 8 8
amappl15 184 50 0 46 1 0 1 1 0 8 0
amappl14 176 155 0 151 1 0 1 1 0 8 0
amappl12 160 114 0 112 2 1 1 1 0 8 0
amappl11 152 46 0 34 1 0 1 1 0 8 0
amappl10 144 17 0 14 1 0 1 1 0 8 0
amappl9 136 204 0 201 1 0 1 1 0 8 0
amappl8 128 108 0 89 1 0 1 1 0 8 0
amappl7 120 90 0 79 1 0 1 1 0 8 0
amappl6 112 53 0 48 1 0 1 1 0 8 0
amappl5 104 959 0 949 1 0 1 1 0 8 0
amappl4 96 658 0 631 1 0 1 1 0 8 0
amappl3 88 133 0 126 1 0 1 1 0 8 0
amappl2 80 2778 0 2710 3 1 2 3 0 8 0
amappl1 72 17527 0 17101 26 16 10 20 0 8 0
amappl 80 1023 0 980 3 2 1 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 16 0 2 1 0 1 1 0 8 0
uaddrrnd 24 450 0 436 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 450 0 436 1 0 1 1 0 8 0
vmmpekpl 168 6820 0 6798 2 0 2 2 0 8 0
vmmpepl 168 61496 0 59579 116 12 104 110 0 357 15
vmsppl 272 449 0 436 4 2 2 2 0 8 1
pdppl 4096 906 0 872 6 1 5 6 0 8 0
pvpl 32 188555 0 170280 189 4 185 189 0 265 34
pmappl 200 449 0 436 1 0 1 1 0 8 0
extentpl 40 46 0 29 1 0 1 1 0 8 0
phpool 112 211 0 33 6 0 6 6 0 8 0