kern.securelevel: 0 -> 1
creating runtime link editor directory cache.
preserving editor files.
starting network daemons: sshd.
starting local daemons:.
Tue May 26 08:38:20 PDT 2020
OpenBSD/amd64 (ci-openbsd-main-0.c.syzkaller.internal) (tty00)
Warning: Permanently added '10.128.0.246' (ECDSA) to the list of known hosts.
2020/05/26 08:38:32 parsed 1 programs
2020/05/26 08:38:35 executed programs: 0
login: panic: receive 3: so 0xfffffd805e56c190, so_type 3, m 0xfffffd805c2f4500, m_type 0
Stopped at db_enter+0x18: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
*351989 49981 0 0 0 0 dhclient
db_enter() at db_enter+0x18
panic(ffffffff821bf220) at panic+0x15c
soreceive(fffffd805e56c190,0,ffff80001d772218,0,0,ffff80001d772124) at soreceive+0x16e7
soo_read(fffffd80621f47f8,ffff80001d772218,0) at soo_read+0x53
dofilereadv(ffff80001d739278,6,ffff80001d772218,0,ffff80001d772300) at dofilereadv+0x1a1
sys_read(ffff80001d739278,ffff80001d7722b0,ffff80001d772300) at sys_read+0x83
syscall(ffff80001d772380) at syscall+0x507
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffec690, 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 3: so 0xfffffd805e56c190, so_type 3, m 0xfffffd805c2f4500, m_type 0
ddb> trace
db_enter() at db_enter+0x18
panic(ffffffff821bf220) at panic+0x15c
soreceive(fffffd805e56c190,0,ffff80001d772218,0,0,ffff80001d772124) at soreceive+0x16e7
soo_read(fffffd80621f47f8,ffff80001d772218,0) at soo_read+0x53
dofilereadv(ffff80001d739278,6,ffff80001d772218,0,ffff80001d772300) at dofilereadv+0x1a1
sys_read(ffff80001d739278,ffff80001d7722b0,ffff80001d772300) at sys_read+0x83
syscall(ffff80001d772380) at syscall+0x507
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffec690, count: -8
ddb> show registers
rdi 0
rsi 0x1
rbp 0xffff80001d771f60
rbx 0xffff80001d772010
rdx 0x2
rcx 0
rax 0x1
r8 0xffffffff814d294f kprintf+0x15f
r9 0x1
r10 0x2
r11 0x84d9c9e29f15d2
r12 0x3000000008
r13 0xffff80001d771f70
r14 0x100
r15 0x1
rip 0xffffffff8138da68 db_enter+0x18
cs 0x8
rflags 0x246
rsp 0xffff80001d771f50
ss 0x10
db_enter+0x18: addq $0x8,%rsp
ddb> show proc
PROC (dhclient) pid=351989 stat=onproc
flags process=0 proc=0
pri=24, usrpri=50, nice=20
forw=0xffffffffffffffff, list=0xffff80001d73a388,0xffff80001d7399d8
process=0xffff8000ffffa3a8 user=0xffff80001d76d000, 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
84764 498053 83778 0 3 0x82 wait syz-execprog
84764 453057 83778 0 3 0x4000082 thrsleep syz-execprog
84764 482388 83778 0 3 0x4000082 thrsleep syz-execprog
84764 339054 83778 0 3 0x4000082 thrsleep syz-execprog
84764 15002 83778 0 3 0x4000082 thrsleep syz-execprog
84764 400631 83778 0 3 0x4000082 kqread syz-execprog
84764 492201 83778 0 3 0x4000082 thrsleep syz-execprog
84764 65968 83778 0 3 0x4000082 thrsleep syz-execprog
83778 198344 75229 0 3 0x10008a pause ksh
75229 214193 94449 0 3 0x92 select sshd
87228 192539 1 0 3 0x100083 ttyin getty
94449 229003 1 0 3 0x80 select sshd
43041 387042 38608 73 3 0x100090 kqread syslogd
38608 270961 1 0 3 0x100082 netio syslogd
74827 43383 1 77 2 0x100010 dhclient
*49981 351989 1 0 7 0 dhclient
84545 325389 0 0 3 0x14200 bored smr
69546 131317 0 0 3 0x14200 pgzero zerothread
50748 67124 0 0 3 0x14200 aiodoned aiodoned
60299 365529 0 0 3 0x14200 syncer update
25118 102983 0 0 3 0x14200 cleaner cleaner
70567 125754 0 0 3 0x14200 reaper reaper
63072 354756 0 0 3 0x14200 pgdaemon pagedaemon
18309 396796 0 0 3 0x14200 bored crynlk
50649 514455 0 0 3 0x14200 bored crypto
14994 50543 0 0 3 0x40014200 acpi0 acpi0
25271 314921 0 0 2 0x14200 softnet
23238 112259 0 0 2 0x14200 systqmp
35390 392476 0 0 3 0x14200 bored systq
18336 128285 0 0 3 0x40014200 bored softclock
3229 297824 0 0 3 0x40014200 idle0
1 29908 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 6321K 6321K 78643K 10543 0
pcb 13 8K 8K 78643K 13 0
rtable 61 1K 2K 78643K 156 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 834 0
UVM aobj 2 2K 2K 78643K 2 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 3025K 3089K 78643K 1622 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 1 0 1 1 0 8 1
tcpcb 544 8 0 5 1 0 1 1 0 8 0
inpcb 280 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 256 144 0 0 9 0 9 9 0 8 0
art_table 32 145 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 1633 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 3921 0 3921 1 0 1 1 0 8 1
scxspl 192 3710 0 3710 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
pipelkpl 16 70 0 64 1 0 1 1 0 8 0
pipepl 120 140 0 129 1 0 1 1 0 8 0
fdescpl 432 198 0 186 2 0 2 2 0 8 0
filepl 120 979 0 928 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 1 0 1 1 0 8 0
processpl 920 212 0 186 4 0 4 4 0 8 0
procpl 624 219 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 1 0 1 1 0 8 1
mcl2k 2048 5524 0 5493 7 2 5 7 0 8 0
mtagpl 80 2 0 2 1 1 0 1 0 8 0
mbufpl 256 9668 0 9588 9 2 7 7 0 8 0
bufpl 280 2898 0 126 198 0 198 198 0 8 0
anonpl 16 20381 0 18889 14 2 12 12 0 107 3
amapchunkpl 152 685 0 625 4 0 4 4 0 158 1
amappl16 192 132 0 107 2 0 2 2 0 8 0
amappl15 184 2 0 1 1 0 1 1 0 8 0
amappl14 176 29 0 23 1 0 1 1 0 8 0
amappl13 168 21 0 18 1 0 1 1 0 8 0
amappl12 160 6 0 4 2 1 1 1 0 8 0
amappl11 152 48 0 39 1 0 1 1 0 8 0
amappl10 144 13 0 9 1 0 1 1 0 8 0
amappl9 136 209 0 208 1 0 1 1 0 8 0
amappl8 128 235 0 228 1 0 1 1 0 8 0
amappl7 120 103 0 93 1 0 1 1 0 8 0
amappl6 112 21 0 18 2 1 1 1 0 8 0
amappl5 104 157 0 146 1 0 1 1 0 8 0
amappl4 96 428 0 403 1 0 1 1 0 8 0
amappl3 88 107 0 101 1 0 1 1 0 8 0
amappl2 80 803 0 750 2 0 2 2 0 8 0
amappl1 72 13547 0 13154 23 6 17 17 0 8 8
amappl 80 417 0 392 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 1 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 6176 0 6157 1 0 1 1 0 8 0
vmmpepl 168 28986 0 28144 75 6 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 104715 0 100989 102 0 102 102 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 112 215 0 6 6 0 6 6 0 8 0
ddb> machine ddbcpu 0
No such command
ddb> trace
db_enter() at db_enter+0x18
panic(ffffffff821bf220) at panic+0x15c
soreceive(fffffd805e56c190,0,ffff80001d772218,0,0,ffff80001d772124) at soreceive+0x16e7
soo_read(fffffd80621f47f8,ffff80001d772218,0) at soo_read+0x53
dofilereadv(ffff80001d739278,6,ffff80001d772218,0,ffff80001d772300) at dofilereadv+0x1a1
sys_read(ffff80001d739278,ffff80001d7722b0,ffff80001d772300) at sys_read+0x83
syscall(ffff80001d772380) at syscall+0x507
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffec690, count: -8
ddb> machine ddbcpu 1
No such command
ddb> trace
db_enter() at db_enter+0x18
panic(ffffffff821bf220) at panic+0x15c
soreceive(fffffd805e56c190,0,ffff80001d772218,0,0,ffff80001d772124) at soreceive+0x16e7
soo_read(fffffd80621f47f8,ffff80001d772218,0) at soo_read+0x53
dofilereadv(ffff80001d739278,6,ffff80001d772218,0,ffff80001d772300) at dofilereadv+0x1a1
sys_read(ffff80001d739278,ffff80001d7722b0,ffff80001d772300) at sys_read+0x83
syscall(ffff80001d772380) at syscall+0x507
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffec690, count: -8
ddb>