kern.securelevel: 0 -> 1
creating runtime link editor directory cache.
preserving editor files.
starting network daemons: sshd.
starting local daemons:.
Thu Jul 16 09:07:26 PDT 2020
OpenBSD/amd64 (ci-openbsd-main-2.c.syzkaller.internal) (tty00)
Warning: Permanently added '10.128.1.8' (ECDSA) to the list of known hosts.
2020/07/16 09:07:52 parsed 1 programs
2020/07/16 09:07:55 executed programs: 0
login: panic: receive 1a: so 0xfffffd805e504190, so_type 3, m 0xfffffd805a5a6e00, m_type 0
Stopped at db_enter+0x18: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
*230402 34112 0 0 0 0 dhclient
db_enter() at db_enter+0x18
panic(ffffffff823caf25) at panic+0x15c
soreceive(fffffd805e504190,0,ffff80001d6e5c28,0,0,ffff80001d6e5b34) at soreceive+0x170a
soo_read(fffffd805eab85a0,ffff80001d6e5c28,0) at soo_read+0x53
dofilereadv(ffff80001d6a99c8,6,ffff80001d6e5c28,0,ffff80001d6e5d10) at dofilereadv+0x1a1
sys_read(ffff80001d6a99c8,ffff80001d6e5cc0,ffff80001d6e5d10) at sys_read+0x83
syscall(ffff80001d6e5d90) at syscall+0x507
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffe19a0, 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 0xfffffd805e504190, so_type 3, m 0xfffffd805a5a6e00, m_type 0
ddb> trace
db_enter() at db_enter+0x18
panic(ffffffff823caf25) at panic+0x15c
soreceive(fffffd805e504190,0,ffff80001d6e5c28,0,0,ffff80001d6e5b34) at soreceive+0x170a
soo_read(fffffd805eab85a0,ffff80001d6e5c28,0) at soo_read+0x53
dofilereadv(ffff80001d6a99c8,6,ffff80001d6e5c28,0,ffff80001d6e5d10) at dofilereadv+0x1a1
sys_read(ffff80001d6a99c8,ffff80001d6e5cc0,ffff80001d6e5d10) at sys_read+0x83
syscall(ffff80001d6e5d90) at syscall+0x507
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffe19a0, count: -8
ddb> show registers
rdi 0
rsi 0x1
rbp 0xffff80001d6e5970
rbx 0xffff80001d6e5a20
rdx 0x2
rcx 0
rax 0x1
r8 0xffffffff8140a10f kprintf+0x15f
r9 0x1
r10 0x2
r11 0x1309f22efd13ce57
r12 0x3000000008
r13 0xffff80001d6e5980
r14 0x100
r15 0x1
rip 0xffffffff814764a8 db_enter+0x18
cs 0x8
rflags 0x246
rsp 0xffff80001d6e5960
ss 0x10
db_enter+0x18: addq $0x8,%rsp
ddb> show proc
PROC (dhclient) pid=230402 stat=onproc
flags process=0 proc=0
pri=24, usrpri=50, nice=20
forw=0xffffffffffffffff, list=0xffff80001d6aa388,0xffff80001d6a9c48
process=0xffff80001d6c4750 user=0xffff80001d6e0000, vmspace=0xfffffd806bc0a220
estcpu=0, cpticks=0, pctcpu=0.0
user=0, sys=0, intr=0
ddb> ps
PID TID PPID UID S FLAGS WAIT COMMAND
14797 102033 23004 0 3 0x82 thrsleep syz-execprog
14797 48592 23004 0 3 0x4000082 thrsleep syz-execprog
14797 63268 23004 0 3 0x4000082 thrsleep syz-execprog
14797 108107 23004 0 3 0x4000082 thrsleep syz-execprog
14797 363395 23004 0 3 0x4000082 wait syz-execprog
14797 89469 23004 0 3 0x4000082 kqread syz-execprog
14797 154112 23004 0 3 0x4000082 thrsleep syz-execprog
23004 216626 40563 0 3 0x10008a pause ksh
40563 242402 45189 0 3 0x92 select sshd
40779 495162 1 0 3 0x100083 ttyin getty
45189 72178 1 0 3 0x80 select sshd
82162 45394 66336 73 3 0x100090 kqread syslogd
66336 276640 1 0 3 0x100082 netio syslogd
49633 322512 1 77 2 0x100010 dhclient
*34112 230402 1 0 7 0 dhclient
21823 227541 0 0 3 0x14200 bored smr
14922 65246 0 0 3 0x14200 pgzero zerothread
82362 26464 0 0 3 0x14200 aiodoned aiodoned
44173 278369 0 0 3 0x14200 syncer update
32046 276246 0 0 3 0x14200 cleaner cleaner
98704 357001 0 0 3 0x14200 reaper reaper
45353 286047 0 0 3 0x14200 pgdaemon pagedaemon
72331 405045 0 0 3 0x14200 bored crynlk
79005 422749 0 0 3 0x14200 bored crypto
19550 369239 0 0 3 0x40014200 acpi0 acpi0
32012 485921 0 0 2 0x14200 softnet
19300 499635 0 0 2 0x14200 systqmp
22675 371272 0 0 3 0x14200 bored systq
89447 22499 0 0 3 0x40014200 bored softclock
43812 451135 0 0 3 0x40014200 idle0
1 407108 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 9442 6320K 6320K 78643K 10543 0
pcb 13 8K 8K 78643K 13 0
rtable 61 1K 2K 78643K 155 0
ifaddr 24 7K 9K 78643K 33 0
counters 19 16K 16K 78643K 20 0
ioctlops 0 0K 2K 78643K 14 0
mount 1 1K 1K 78643K 1 0
vnodes 1182 74K 74K 78643K 1187 0
UFS quota 1 32K 32K 78643K 1 0
UFS mount 5 36K 36K 78643K 5 0
shm 2 1K 1K 78643K 2 0
VM map 2 0K 0K 78643K 2 0
sem 2 0K 0K 78643K 2 0
dirhash 12 2K 2K 78643K 12 0
ACPI 1809 195K 288K 78643K 12938 0
file desc 2 4K 12K 78643K 18 0
proc 47 38K 54K 78643K 318 0
NFS srvsock 1 0K 0K 78643K 1 0
NFS daemon 1 16K 16K 78643K 1 0
in_multi 11 0K 1K 78643K 22 0
ether_multi 1 0K 0K 78643K 1 0
ISOFS mount 1 32K 32K 78643K 1 0
MSDOSFS mount 1 16K 16K 78643K 1 0
ttys 19 95K 95K 78643K 19 0
exec 0 0K 1K 78643K 171 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 67 11K 12K 78643K 866 0
UVM aobj 3 2K 2K 78643K 3 0
memdesc 1 4K 4K 78643K 1 0
crypto data 1 1K 1K 78643K 1 0
NDP 3 0K 0K 78643K 6 0
temp 18 3845K 3909K 78643K 1629 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 4 0 2 1 0 1 1 0 8 0
rtpcb 80 17 0 15 1 0 1 1 0 8 0
rtentry 112 34 0 12 1 0 1 1 0 8 0
unpcb 120 27 0 19 1 0 1 1 0 8 0
syncache 264 5 0 5 2 1 1 1 0 8 1
tcpcb 544 8 0 5 1 0 1 1 0 8 0
inpcb 296 27 0 21 1 0 1 1 0 8 0
nd6 48 3 0 3 1 0 1 1 0 8 1
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 145 0 0 10 0 10 10 0 8 0
art_table 32 146 0 0 2 0 2 2 0 8 0
art_node 16 33 0 3 1 0 1 1 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 1415 0 22 88 0 88 88 0 8 0
ffsino 240 1415 0 22 82 0 82 82 0 8 0
nchpl 144 1634 0 39 60 0 60 60 0 8 0
uvmvnodes 72 1424 0 0 26 0 26 26 0 8 0
vnodes 208 1424 0 0 75 0 75 75 0 8 0
namei 1024 3941 0 3941 2 1 1 1 0 8 1
scxspl 192 4454 0 4454 1 0 1 1 0 8 1
plimitpl 152 14 0 8 1 0 1 1 0 8 0
sigapl 424 212 0 186 4 0 4 4 0 8 0
knotepl 112 47 0 38 1 0 1 1 0 8 0
kqueuepl 144 2 0 0 1 0 1 1 0 8 0
pipepl 272 70 0 64 2 1 1 1 0 8 0
fdescpl 432 198 0 186 2 0 2 2 0 8 0
filepl 120 980 0 929 2 0 2 2 0 8 0
lockfpl 104 5 0 4 1 0 1 1 0 8 0
lockfspl 48 3 0 2 1 0 1 1 0 8 0
sessionpl 112 18 0 9 1 0 1 1 0 8 0
pgrppl 48 18 0 9 1 0 1 1 0 8 0
ucredpl 96 57 0 50 1 0 1 1 0 8 0
zombiepl 144 187 0 186 2 1 1 1 0 8 0
processpl 928 212 0 186 4 0 4 4 0 8 0
procpl 624 218 0 186 3 0 3 3 0 8 0
sockpl 400 71 0 55 2 0 2 2 0 8 0
mcl4k 4096 10 0 10 2 1 1 1 0 8 1
mcl2k 2048 5559 0 5524 8 3 5 8 0 8 0
mtagpl 96 2 0 2 1 1 0 1 0 8 0
mbufpl 256 9684 0 9601 8 1 7 7 0 8 0
bufpl 280 2961 0 125 203 0 203 203 0 8 0
anonpl 16 22409 0 20923 14 2 12 12 0 107 4
amapchunkpl 152 873 0 813 5 1 4 4 0 158 1
amappl16 192 120 0 93 2 0 2 2 0 8 0
amappl15 184 1 0 0 1 0 1 1 0 8 0
amappl14 176 35 0 30 1 0 1 1 0 8 0
amappl13 168 20 0 18 2 1 1 1 0 8 0
amappl12 160 12 0 9 2 1 1 1 0 8 0
amappl11 152 46 0 36 1 0 1 1 0 8 0
amappl10 144 11 0 8 1 0 1 1 0 8 0
amappl9 136 211 0 209 1 0 1 1 0 8 0
amappl8 128 232 0 226 1 0 1 1 0 8 0
amappl7 120 103 0 91 1 0 1 1 0 8 0
amappl6 112 22 0 20 2 1 1 1 0 8 0
amappl5 104 156 0 147 1 0 1 1 0 8 0
amappl4 96 428 0 405 1 0 1 1 0 8 0
amappl3 88 107 0 101 1 0 1 1 0 8 0
amappl2 80 810 0 757 3 1 2 2 0 8 0
amappl1 72 13561 0 13167 24 7 17 17 0 8 8
amappl 80 446 0 421 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 24 198 0 186 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 198 0 186 1 0 1 1 0 8 0
vmmpekpl 168 6070 0 6048 2 0 2 2 0 8 0
vmmpepl 168 29531 0 28680 82 13 69 69 0 357 30
vmsppl 272 197 0 186 1 0 1 1 0 8 0
pdppl 4096 402 0 372 5 0 5 5 0 8 0
pvpl 32 106789 0 103076 108 6 102 102 0 265 70
pmappl 200 197 0 186 1 0 1 1 0 8 0
extentpl 40 53 0 36 1 0 1 1 0 8 0
phpool 112 220 0 9 7 0 7 7 0 8 0
ddb> machine ddbcpu 0
No such command
ddb> trace
db_enter() at db_enter+0x18
panic(ffffffff823caf25) at panic+0x15c
soreceive(fffffd805e504190,0,ffff80001d6e5c28,0,0,ffff80001d6e5b34) at soreceive+0x170a
soo_read(fffffd805eab85a0,ffff80001d6e5c28,0) at soo_read+0x53
dofilereadv(ffff80001d6a99c8,6,ffff80001d6e5c28,0,ffff80001d6e5d10) at dofilereadv+0x1a1
sys_read(ffff80001d6a99c8,ffff80001d6e5cc0,ffff80001d6e5d10) at sys_read+0x83
syscall(ffff80001d6e5d90) at syscall+0x507
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffe19a0, count: -8
ddb> machine ddbcpu 1
No such command
ddb> trace
db_enter() at db_enter+0x18
panic(ffffffff823caf25) at panic+0x15c
soreceive(fffffd805e504190,0,ffff80001d6e5c28,0,0,ffff80001d6e5b34) at soreceive+0x170a
soo_read(fffffd805eab85a0,ffff80001d6e5c28,0) at soo_read+0x53
dofilereadv(ffff80001d6a99c8,6,ffff80001d6e5c28,0,ffff80001d6e5d10) at dofilereadv+0x1a1
sys_read(ffff80001d6a99c8,ffff80001d6e5cc0,ffff80001d6e5d10) at sys_read+0x83
syscall(ffff80001d6e5d90) at syscall+0x507
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffe19a0, count: -8
ddb>