panic: receive 1a: so 0xfffffd8060d35640, so_type 3, m 0xfffffd805c3fea00, m_type 0
Stopped at db_enter+0x18: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
*339607 68570 0 0 0 0 dhclient
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398
panic(ffffffff823d7009) at panic+0x164 sys/kern/subr_prf.c:218
soreceive(fffffd8060d35640,0,ffff80001d6e5a68,0,0,ffff80001d6e5974) at soreceive+0x170a sys/kern/uipc_socket.c:983
soo_read(fffffd8060df25a0,ffff80001d6e5a68,0) at soo_read+0x53 sys/kern/sys_socket.c:70
dofilereadv(ffff80001d6a94e8,6,ffff80001d6e5a68,0,ffff80001d6e5b50) at dofilereadv+0x1a1 sys/kern/sys_generic.c:237
sys_read(ffff80001d6a94e8,ffff80001d6e5b00,ffff80001d6e5b50) at sys_read+0x83 sys/kern/sys_generic.c:157
syscall(ffff80001d6e5bd0) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffc9490, 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 0xfffffd8060d35640, so_type 3, m 0xfffffd805c3fea00, m_type 0
ddb> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398
panic(ffffffff823d7009) at panic+0x164 sys/kern/subr_prf.c:218
soreceive(fffffd8060d35640,0,ffff80001d6e5a68,0,0,ffff80001d6e5974) at soreceive+0x170a sys/kern/uipc_socket.c:983
soo_read(fffffd8060df25a0,ffff80001d6e5a68,0) at soo_read+0x53 sys/kern/sys_socket.c:70
dofilereadv(ffff80001d6a94e8,6,ffff80001d6e5a68,0,ffff80001d6e5b50) at dofilereadv+0x1a1 sys/kern/sys_generic.c:237
sys_read(ffff80001d6a94e8,ffff80001d6e5b00,ffff80001d6e5b50) at sys_read+0x83 sys/kern/sys_generic.c:157
syscall(ffff80001d6e5bd0) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffc9490, count: -8
ddb> show registers
rdi 0
rsi 0x1
rbp 0xffff80001d6e57b0
rbx 0xffff80001d6e5860
rdx 0x2
rcx 0
rax 0x1
r8 0xffffffff8109377f kprintf+0x15f
r9 0x1
r10 0x2
r11 0xd8b494013b5f8de6
r12 0x3000000008
r13 0xffff80001d6e57c0
r14 0x100
r15 0x1
rip 0xffffffff82107068 db_enter+0x18
cs 0x8
rflags 0x246
rsp 0xffff80001d6e57a0
ss 0x10
db_enter+0x18: addq $0x8,%rsp
ddb> show proc
PROC (dhclient) pid=339607 stat=onproc
flags process=0 proc=0
pri=50, usrpri=50, nice=20
forw=0xffffffffffffffff, list=0xffff80001d6aa118,0xffff80001d6a9c48
process=0xffff80001d6c4e90 user=0xffff80001d6e0000, vmspace=0xfffffd806bc09770
estcpu=0, cpticks=1, pctcpu=0.0
user=0, sys=1, intr=0
ddb> ps
PID TID PPID UID S FLAGS WAIT COMMAND
47529 473908 15889 0 2 0 syz-executor.1
47529 407712 15889 0 2 0x4000000 syz-executor.1
52034 351892 0 0 3 0x14200 bored sosplice
15889 5585 16842 0 3 0x82 nanosleep syz-executor.1
98612 222352 16842 0 2 0x2 syz-executor.0
16842 253853 44522 0 3 0x82 thrsleep syz-fuzzer
16842 423589 44522 0 3 0x4000082 nanosleep syz-fuzzer
16842 291048 44522 0 3 0x4000082 thrsleep syz-fuzzer
16842 185281 44522 0 3 0x4000082 thrsleep syz-fuzzer
16842 235379 44522 0 3 0x4000082 thrsleep syz-fuzzer
16842 205898 44522 0 3 0x4000082 thrsleep syz-fuzzer
16842 397681 44522 0 3 0x4000082 kqread syz-fuzzer
44522 260559 42142 0 3 0x10008a pause ksh
42142 343652 98857 0 3 0x92 select sshd
6354 442427 1 0 3 0x100083 ttyin getty
98857 386809 1 0 3 0x80 select sshd
47579 307371 6660 73 3 0x100090 kqread syslogd
6660 381772 1 0 3 0x100082 netio syslogd
35957 469850 1 77 3 0x100090 poll dhclient
*68570 339607 1 0 7 0 dhclient
60630 24235 0 0 3 0x14200 bored smr
19800 181036 0 0 2 0x14200 zerothread
76839 54259 0 0 3 0x14200 aiodoned aiodoned
12735 166458 0 0 3 0x14200 syncer update
32557 76179 0 0 3 0x14200 cleaner cleaner
80891 450238 0 0 3 0x14200 reaper reaper
96112 482981 0 0 3 0x14200 pgdaemon pagedaemon
34587 438973 0 0 3 0x14200 bored crynlk
27460 469599 0 0 3 0x14200 bored crypto
931 509575 0 0 3 0x40014200 acpi0 acpi0
51249 16490 0 0 3 0x14200 bored softnet
27684 302856 0 0 3 0x14200 bored systqmp
38468 91577 0 0 3 0x14200 bored systq
14084 119365 0 0 3 0x40014200 bored softclock
53046 462077 0 0 3 0x40014200 idle0
1 296519 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 9468 6455K 6906K 78643K 10941 0
pcb 13 8K 8K 78643K 37 0
rtable 116 5K 9K 78643K 286 0
ifaddr 50 12K 12K 78643K 79 0
counters 21 16K 16K 78643K 21 0
ioctlops 0 0K 4K 78643K 51 0
iov 0 0K 4K 78643K 2 0
mount 1 1K 1K 78643K 1 0
vnodes 1225 77K 77K 78643K 1318 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 12 0K 0K 78643K 35 0
dirhash 12 2K 2K 78643K 12 0
ACPI 1809 195K 288K 78643K 12938 0
file desc 5 13K 25K 78643K 155 0
proc 48 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 4 0
in_multi 40 2K 2K 78643K 58 0
ether_multi 1 0K 0K 78643K 3 0
ISOFS mount 1 32K 32K 78643K 1 0
MSDOSFS mount 1 16K 16K 78643K 1 0
ttys 49 228K 228K 78643K 49 0
exec 0 0K 1K 78643K 193 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 136 88K 104K 78643K 1244 0
UVM aobj 13 2K 2K 78643K 15 0
memdesc 1 4K 4K 78643K 1 0
crypto data 1 1K 1K 78643K 1 0
ip6_options 0 0K 0K 78643K 22 0
NDP 6 0K 0K 78643K 11 0
temp 71 3850K 3914K 78643K 2208 0
kqueue 3 4K 8K 78643K 9 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 27 0 25 1 0 1 1 0 8 0
rtentry 112 50 0 6 2 0 2 2 0 8 0
unpcb 120 99 0 91 1 0 1 1 0 8 0
syncache 264 7 0 7 2 2 0 1 0 8 0
tcpqe 32 1222 0 1222 2 2 0 1 0 8 0
tcpcb 544 121 0 99 4 2 2 3 0 8 0
inpcb 296 208 0 198 3 1 2 2 0 8 1
nd6 48 10 0 4 1 0 1 1 0 8 0
pfrktable 1344 41 0 36 1 0 1 1 0 8 0
pftag 88 12 0 10 1 0 1 1 0 8 0
pfrule 1360 10 0 6 1 0 1 1 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 212 0 23 14 0 14 14 0 8 2
art_table 32 213 0 23 2 0 2 2 0 8 0
art_node 16 49 0 9 1 0 1 1 0 8 0
sysvmsgpl 40 9 0 4 1 0 1 1 0 8 0
semupl 112 4 0 4 1 1 0 1 0 8 0
semapl 112 33 0 23 1 0 1 1 0 8 0
shmpl 112 12 0 2 1 0 1 1 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 1569 0 173 88 0 88 88 0 8 0
ffsino 240 1569 0 173 83 0 83 83 0 8 0
nchpl 144 1966 0 365 60 0 60 60 0 8 0
uvmvnodes 72 1701 0 0 31 0 31 31 0 8 0
vnodes 208 1701 0 0 90 0 90 90 0 8 0
namei 1024 5166 0 5165 2 1 1 1 0 8 0
vcpupl 1984 8 0 0 1 0 1 1 0 8 0
vmpool 528 8 0 0 1 0 1 1 0 8 0
pfiaddrpl 120 14 0 10 1 0 1 1 0 8 0
scxspl 192 5665 0 5665 1 0 1 1 0 8 1
plimitpl 152 22 0 15 1 0 1 1 0 8 0
sigapl 424 342 0 313 4 0 4 4 0 8 0
futexpl 56 2827 0 2827 2 1 1 1 0 8 1
knotepl 112 66 0 46 1 0 1 1 0 8 0
kqueuepl 144 85 0 82 1 0 1 1 0 8 0
pipepl 272 85 0 74 1 0 1 1 0 8 0
fdescpl 432 327 0 313 2 0 2 2 0 8 0
filepl 120 1920 0 1821 4 0 4 4 0 8 1
lockfpl 104 68 0 67 1 0 1 1 0 8 0
lockfspl 48 30 0 29 1 0 1 1 0 8 0
sessionpl 112 17 0 7 1 0 1 1 0 8 0
pgrppl 48 19 0 9 1 0 1 1 0 8 0
ucredpl 96 207 0 200 1 0 1 1 0 8 0
zombiepl 144 313 0 313 1 0 1 1 0 8 1
processpl 928 342 0 313 4 0 4 4 0 8 0
procpl 624 496 0 460 4 1 3 4 0 8 0
sosppl 128 2 0 2 1 1 0 1 0 8 0
sockpl 400 334 0 314 5 2 3 4 0 8 0
mcl64k 65536 1 0 1 1 1 0 1 0 8 0
mcl12k 12288 2 0 2 1 1 0 1 0 8 0
mcl8k 8192 2 0 2 1 1 0 1 0 8 0
mcl4k 4096 23 0 23 2 2 0 1 0 8 0
mcl2k 2048 91850 0 91792 22 14 8 19 0 8 0
mtagpl 96 6 0 2 2 1 1 1 0 8 0
mbufpl 256 146299 0 146098 23 8 15 18 0 8 0
bufpl 280 3422 0 116 237 0 237 237 0 8 0
anonpl 16 46682 0 29511 71 1 70 70 0 107 1
amapchunkpl 152 1989 0 1793 23 7 16 22 0 158 7
amappl16 192 1486 0 599 45 0 45 45 0 8 0
amappl15 184 1 0 0 1 0 1 1 0 8 0
amappl14 176 60 0 56 1 0 1 1 0 8 0
amappl13 168 95 0 90 1 0 1 1 0 8 0
amappl12 160 23 0 20 1 0 1 1 0 8 0
amappl11 152 102 0 91 1 0 1 1 0 8 0
amappl10 144 21 0 17 1 0 1 1 0 8 0
amappl9 136 353 0 352 1 0 1 1 0 8 0
amappl8 128 297 0 270 2 0 2 2 0 8 0
amappl7 120 105 0 91 1 0 1 1 0 8 0
amappl6 112 26 0 22 1 0 1 1 0 8 0
amappl5 104 206 0 196 1 0 1 1 0 8 0
amappl4 96 543 0 516 1 0 1 1 0 8 0
amappl3 88 178 0 164 1 0 1 1 0 8 0
amappl2 80 1799 0 1733 2 0 2 2 0 8 0
amappl1 72 16130 0 15717 24 15 9 17 0 8 0
amappl 80 778 0 717 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 14 0 2 1 0 1 1 0 8 0
uaddrrnd 24 335 0 313 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 335 0 313 1 0 1 1 0 8 0
vmmpekpl 168 6183 0 6157 2 0 2 2 0 8 0
vmmpepl 168 47047 0 45057 156 21 135 151 0 357 47
vmsppl 272 334 0 313 3 1 2 2 0 8 0
pdppl 4096 676 0 634 7 1 6 6 0 8 0
pvpl 32 153805 0 133642 168 1 167 168 0 265 4
pmappl 200 334 0 313 2 0 2 2 0 8 0
extentpl 40 53 0 36 1 0 1 1 0 8 0
phpool 112 267 0 36 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(ffffffff823d7009) at panic+0x164 sys/kern/subr_prf.c:218
soreceive(fffffd8060d35640,0,ffff80001d6e5a68,0,0,ffff80001d6e5974) at soreceive+0x170a sys/kern/uipc_socket.c:983
soo_read(fffffd8060df25a0,ffff80001d6e5a68,0) at soo_read+0x53 sys/kern/sys_socket.c:70
dofilereadv(ffff80001d6a94e8,6,ffff80001d6e5a68,0,ffff80001d6e5b50) at dofilereadv+0x1a1 sys/kern/sys_generic.c:237
sys_read(ffff80001d6a94e8,ffff80001d6e5b00,ffff80001d6e5b50) at sys_read+0x83 sys/kern/sys_generic.c:157
syscall(ffff80001d6e5bd0) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffc9490, 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(ffffffff823d7009) at panic+0x164 sys/kern/subr_prf.c:218
soreceive(fffffd8060d35640,0,ffff80001d6e5a68,0,0,ffff80001d6e5974) at soreceive+0x170a sys/kern/uipc_socket.c:983
soo_read(fffffd8060df25a0,ffff80001d6e5a68,0) at soo_read+0x53 sys/kern/sys_socket.c:70
dofilereadv(ffff80001d6a94e8,6,ffff80001d6e5a68,0,ffff80001d6e5b50) at dofilereadv+0x1a1 sys/kern/sys_generic.c:237
sys_read(ffff80001d6a94e8,ffff80001d6e5b00,ffff80001d6e5b50) at sys_read+0x83 sys/kern/sys_generic.c:157
syscall(ffff80001d6e5bd0) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffc9490, count: -8