panic: receive 1: so 0xfffffd803a41d480, so_type 3, sb_cc 48
Stopped at db_enter+0x18: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
* 8866 19502 0 0 0 0 dhclient
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398
panic() at panic+0x15c sys/kern/subr_prf.c:207
soreceive(fffffd803a41d480,0,ffff800014885df8,0,0,ffff800014885d04) at soreceive+0x16ac sys/kern/uipc_socket.c:798
soo_read(fffffd8037562528,ffff800014885df8,0) at soo_read+0x53 sys/kern/sys_socket.c:70
dofilereadv(ffff8000ffff93c8,6,ffff800014885df8,0,ffff800014885ee0) at dofilereadv+0x1a2 sys/kern/sys_generic.c:236
sys_read(ffff8000ffff93c8,ffff800014885e90,ffff800014885ee0) at sys_read+0x83 sys/kern/sys_generic.c:156
syscall(ffff800014885f60) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffdacf0, 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 0xfffffd803a41d480, so_type 3, sb_cc 48
ddb> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398
panic() at panic+0x15c sys/kern/subr_prf.c:207
soreceive(fffffd803a41d480,0,ffff800014885df8,0,0,ffff800014885d04) at soreceive+0x16ac sys/kern/uipc_socket.c:798
soo_read(fffffd8037562528,ffff800014885df8,0) at soo_read+0x53 sys/kern/sys_socket.c:70
dofilereadv(ffff8000ffff93c8,6,ffff800014885df8,0,ffff800014885ee0) at dofilereadv+0x1a2 sys/kern/sys_generic.c:236
sys_read(ffff8000ffff93c8,ffff800014885e90,ffff800014885ee0) at sys_read+0x83 sys/kern/sys_generic.c:156
syscall(ffff800014885f60) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffdacf0, count: -8
ddb> show registers
rdi 0
rsi 0x1
rbp 0xffff800014885b40
rbx 0xffff800014885bf0
rdx 0x2
rcx 0
rax 0
r8 0xffff800014885b00
r9 0x1
r10 0
r11 0xf193ef27f01ae999
r12 0x3000000008
r13 0xffff800014885b50
r14 0x100
r15 0x1
rip 0xffffffff81038768 db_enter+0x18
cs 0x8
rflags 0x246
rsp 0xffff800014885b30
ss 0x10
db_enter+0x18: addq $0x8,%rsp
ddb> show proc
PROC (dhclient) pid=8866 stat=onproc
flags process=0 proc=0
pri=50, usrpri=50, nice=20
forw=0xffffffffffffffff, list=0xffff8000ffff8280,0xffff8000ffff9650
process=0xffff8000ffff66d0 user=0xffff800014881000, vmspace=0xfffffd803f012000
estcpu=0, cpticks=0, pctcpu=0.0
user=0, sys=0, intr=0
ddb> ps
PID TID PPID UID S FLAGS WAIT COMMAND
2497 460927 12070 0 2 0 syz-executor.0
2497 487612 12070 0 3 0x4000000 tqbar syz-executor.0
5373 252335 46187 0 2 0 syz-executor.1
5373 69555 46187 0 2 0x4000000 syz-executor.1
31576 215393 0 0 3 0x14200 acct acct
12070 167249 86003 0 3 0x82 nanosleep syz-executor.0
16079 276708 0 0 3 0x14200 bored sosplice
46187 207291 86003 0 3 0x82 nanosleep syz-executor.1
86003 82088 47373 0 3 0x82 thrsleep syz-fuzzer
86003 250873 47373 0 3 0x4000082 thrsleep syz-fuzzer
86003 144341 47373 0 3 0x4000082 thrsleep syz-fuzzer
86003 175188 47373 0 3 0x4000082 thrsleep syz-fuzzer
86003 188352 47373 0 3 0x4000082 kqread syz-fuzzer
86003 376538 47373 0 3 0x4000082 thrsleep syz-fuzzer
86003 441244 47373 0 3 0x4000082 thrsleep syz-fuzzer
86003 393158 47373 0 3 0x4000082 thrsleep syz-fuzzer
47373 27014 54788 0 3 0x10008a pause ksh
54788 243345 94252 0 3 0x92 select sshd
74538 469275 1 0 3 0x100083 ttyin getty
94252 451575 1 0 3 0x80 select sshd
19924 510213 96924 73 3 0x100090 kqread syslogd
96924 307590 1 0 3 0x100082 netio syslogd
36003 71297 1 77 2 0x100010 dhclient
*19502 8866 1 0 7 0 dhclient
4397 289790 0 0 2 0x14200 zerothread
78234 363932 0 0 3 0x14200 aiodoned aiodoned
97924 57722 0 0 3 0x14200 syncer update
88546 287697 0 0 3 0x14200 cleaner cleaner
5981 223558 0 0 3 0x14200 reaper reaper
61306 148858 0 0 3 0x14200 pgdaemon pagedaemon
52458 38833 0 0 3 0x14200 bored crynlk
17232 380960 0 0 3 0x14200 bored crypto
66061 116930 0 0 3 0x40014200 acpi0 acpi0
55160 52853 0 0 2 0x14200 softnet
96717 234565 0 0 3 0x14200 bored systqmp
60834 255916 0 0 3 0x14200 bored systq
99848 293393 0 0 3 0x40014200 bored softclock
83132 64083 0 0 3 0x40014200 idle0
73998 123482 0 0 3 0x14200 bored smr
1 345592 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 Kern Lim
devbuf 9525 6364K 8025K 78643K 13608 0 0
pcb 13 8K 9K 78643K 217 0 0
rtable 100 5K 6K 78643K 2789 0 0
ifaddr 106 17K 17K 78643K 223 0 0
counters 19 16K 16K 78643K 19 0 0
ioctlops 0 0K 2K 78643K 51 0 0
iov 0 0K 24K 78643K 205 0 0
mount 1 1K 1K 78643K 1 0 0
vnodes 1233 77K 78K 78643K 2080 0 0
UFS quota 1 32K 32K 78643K 1 0 0
UFS mount 5 36K 36K 78643K 5 0 0
shm 2 1K 5K 78643K 16 0 0
VM map 14 3K 3K 78643K 16 0 0
sem 12 0K 0K 78643K 1081 0 0
dirhash 12 2K 2K 78643K 12 0 0
ACPI 1794 195K 288K 78643K 12646 0 0
file desc 6 17K 25K 78643K 1636 0 0
sigio 0 0K 0K 78643K 702 0 0
proc 50 38K 55K 78643K 475 0 0
subproc 32 2K 2K 78643K 51 0 0
NFS srvsock 1 0K 0K 78643K 1 0 0
NFS daemon 1 16K 16K 78643K 1 0 0
ip_moptions 0 0K 0K 78643K 115 0 0
in_multi 64 3K 3K 78643K 113 0 0
ether_multi 1 0K 0K 78643K 2 0 0
mrt 0 0K 0K 78643K 2 0 0
ISOFS mount 1 32K 32K 78643K 1 0 0
MSDOSFS mount 1 16K 16K 78643K 1 0 0
ttys 60 265K 265K 78643K 60 0 0
exec 0 0K 1K 78643K 617 0 0
pagedep 1 8K 8K 78643K 1 0 0
inodedep 1 32K 32K 78643K 1 0 0
newblk 1 0K 0K 78643K 1 0 0
VM swap 7 26K 26K 78643K 7 0 0
UVM amap 134 120K 120K 78643K 4696 0 0
UVM aobj 75 5K 5K 78643K 85 0 0
memdesc 1 4K 4K 78643K 1 0 0
crypto data 1 1K 1K 78643K 1 0 0
ip6_options 0 0K 0K 78643K 151 0 0
NDP 15 0K 0K 78643K 47 0 0
temp 148 3535K 4163K 78643K 56323 0 0
kqueue 0 0K 0K 78643K 4 0 0
SYN cache 2 16K 16K 78643K 2 0 0
ddb> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
arp 64 10 0 8 1 0 1 1 0 8 0
rtpcb 80 2972 0 2970 1 0 1 1 0 8 0
rtentry 112 77 0 42 2 0 2 2 0 8 0
unpcb 120 539 0 531 1 0 1 1 0 8 0
syncache 264 12 0 12 4 4 0 1 0 8 0
tcpqe 32 3 0 3 3 3 0 1 0 8 0
tcpcb 544 373 0 369 3 2 1 2 0 8 0
ipq 40 16 0 16 3 3 0 1 0 8 0
ipqe 40 468 0 468 3 3 0 1 0 8 0
inpcb 280 1030 0 1023 6 5 1 4 0 8 0
rttmr 72 1 0 1 1 0 1 1 0 8 1
nd6 48 9 0 7 1 0 1 1 0 8 0
pkpcb 40 2 0 2 1 0 1 1 0 8 1
swfcl 56 2 0 0 1 0 1 1 0 8 0
ppxss 1128 17 0 17 6 5 1 1 0 8 1
art_heap8 4096 4 0 1 4 1 3 3 0 8 0
art_heap4 256 394 0 190 16 3 13 14 0 8 0
art_table 32 398 0 191 2 0 2 2 0 8 0
art_node 16 74 0 41 1 0 1 1 0 8 0
sysvmsgpl 40 5 0 0 1 0 1 1 0 8 0
semapl 112 1079 0 1069 1 0 1 1 0 8 0
shmpl 112 83 0 10 3 0 3 3 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino1pl 128 3818 0 2366 47 0 47 47 0 8 0
ffsino 240 3818 0 2366 86 0 86 86 0 8 0
nchpl 144 6566 0 4944 61 0 61 61 0 8 0
uvmvnodes 72 4460 0 0 82 0 82 82 0 8 0
vnodes 208 4460 0 0 235 0 235 235 0 8 0
namei 1024 22777 0 22777 1 0 1 1 0 8 1
vcpupl 1984 12 0 0 2 0 2 2 0 8 0
vmpool 520 14 0 2 1 0 1 1 0 8 0
scsiplug 64 1 0 1 1 1 0 1 0 8 0
scxspl 192 20356 0 20356 15 13 2 7 0 8 2
plimitpl 152 83 0 76 1 0 1 1 0 8 0
sigapl 432 1803 0 1789 2 0 2 2 0 8 0
futexpl 56 53836 0 53836 1 0 1 1 0 8 1
knotepl 112 177 0 158 1 0 1 1 0 8 0
kqueuepl 104 269 0 267 1 0 1 1 0 8 0
pipepl 128 3584 0 3563 5 3 2 2 0 8 1
fdescpl 424 1804 0 1789 2 0 2 2 0 8 0
filepl 120 19307 0 19204 7 2 5 5 0 8 1
lockfpl 104 926 0 924 1 0 1 1 0 8 0
lockfspl 48 371 0 369 1 0 1 1 0 8 0
sessionpl 112 18 0 8 1 0 1 1 0 8 0
pgrppl 48 24 0 14 1 0 1 1 0 8 0
ucredpl 96 3932 0 3925 1 0 1 1 0 8 0
zombiepl 144 1789 0 1789 1 0 1 1 0 8 1
processpl 864 1820 0 1789 4 0 4 4 0 8 0
procpl 632 3909 0 3869 4 0 4 4 0 8 0
sosppl 128 10 0 10 4 3 1 1 0 8 1
sockpl 384 4567 0 4550 12 8 4 7 0 8 2
mcl64k 65536 197 0 197 16 15 1 7 0 8 1
mcl16k 16384 27 0 27 4 3 1 1 0 8 1
mcl12k 12288 29 0 29 5 4 1 1 0 8 1
mcl9k 9216 10 0 10 6 5 1 1 0 8 1
mcl8k 8192 42 0 42 3 2 1 1 0 8 1
mcl4k 4096 169 0 169 3 2 1 1 0 8 1
mcl2k2 2112 25 0 25 6 5 1 1 0 8 1
mcl2k 2048 72787 0 72741 20 13 7 15 0 8 0
mtagpl 80 49 0 30 3 2 1 1 0 8 0
mbufpl 256 136581 0 136463 80 59 21 29 0 8 4
bufpl 256 11561 0 6234 334 0 334 334 0 8 0
anonpl 16 160238 0 139701 106 20 86 101 0 62 0
amapchunkpl 152 7261 0 7100 19 12 7 12 0 158 0
amappl16 192 8832 0 7664 81 21 60 71 0 8 1
amappl14 176 61 0 56 1 0 1 1 0 8 0
amappl13 168 1 0 0 1 0 1 1 0 8 0
amappl12 160 11 0 11 2 2 0 1 0 8 0
amappl11 152 767 0 753 1 0 1 1 0 8 0
amappl10 144 667 0 665 1 0 1 1 0 8 0
amappl9 136 724 0 717 1 0 1 1 0 8 0
amappl8 128 390 0 357 2 0 2 2 0 8 0
amappl7 120 694 0 690 1 0 1 1 0 8 0
amappl6 112 763 0 754 1 0 1 1 0 8 0
amappl5 104 293 0 283 1 0 1 1 0 8 0
amappl4 96 2030 0 1999 1 0 1 1 0 8 0
amappl3 88 139 0 132 1 0 1 1 0 8 0
amappl2 80 13617 0 13542 3 1 2 3 0 8 0
amappl1 72 42617 0 42199 26 17 9 20 0 8 0
amappl 80 4158 0 4105 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 84 0 10 2 0 2 2 0 8 0
uaddrrnd 24 1818 0 1789 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 1818 0 1789 1 0 1 1 0 8 0
vmmpekpl 168 18501 0 18471 2 0 2 2 0 8 0
vmmpepl 168 216390 0 214023 176 50 126 143 0 357 22
vmsppl 272 1803 0 1789 2 1 1 2 0 8 0
pdppl 4096 3642 0 3594 8 1 7 7 0 8 0
pvpl 32 445857 0 422442 237 42 195 233 0 265 1
pmappl 200 1817 0 1791 2 0 2 2 0 8 0
extentpl 40 46 0 29 1 0 1 1 0 8 0
phpool 112 585 0 104 14 0 14 14 0 8 0