kern.securelevel: 0 -> 1
creating runtime link editor directory cache.
preserving editor files.
starting network daemons: sshd.
starting local daemons:.
Thu Jul 30 07:44:25 PDT 2020
OpenBSD/amd64 (ci-openbsd-main-8.c.syzkaller.internal) (tty00)
Warning: Permanently added '10.128.1.49' (ECDSA) to the list of known hosts.
2020/07/30 07:44:53 parsed 1 programs
2020/07/30 07:44:57 executed programs: 0
login: panic: receive 3: so 0xfffffd8067d2f000, so_type 3, m 0xfffffd805ad0f400, m_type 0
Stopped at db_enter+0x18: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
*107379 32303 0 0 0 0 dhclient
db_enter() at db_enter+0x18
panic(ffffffff823ca65a) at panic+0x164
soreceive(fffffd8067d2f000,0,ffff80001d6e5da8,0,0,ffff80001d6e5cb4) at soreceive+0x16e7
soo_read(fffffd8067df3438,ffff80001d6e5da8,0) at soo_read+0x53
dofilereadv(ffff80001d6a94e8,6,ffff80001d6e5da8,0,ffff80001d6e5e90) at dofilereadv+0x1a1
sys_read(ffff80001d6a94e8,ffff80001d6e5e40,ffff80001d6e5e90) at sys_read+0x83
syscall(ffff80001d6e5f10) at syscall+0x507
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffe4b00, 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 0xfffffd8067d2f000, so_type 3, m 0xfffffd805ad0f400, m_type 0
ddb> trace
db_enter() at db_enter+0x18
panic(ffffffff823ca65a) at panic+0x164
soreceive(fffffd8067d2f000,0,ffff80001d6e5da8,0,0,ffff80001d6e5cb4) at soreceive+0x16e7
soo_read(fffffd8067df3438,ffff80001d6e5da8,0) at soo_read+0x53
dofilereadv(ffff80001d6a94e8,6,ffff80001d6e5da8,0,ffff80001d6e5e90) at dofilereadv+0x1a1
sys_read(ffff80001d6a94e8,ffff80001d6e5e40,ffff80001d6e5e90) at sys_read+0x83
syscall(ffff80001d6e5f10) at syscall+0x507
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffe4b00, count: -8
ddb> show registers
rdi 0
rsi 0x1
rbp 0xffff80001d6e5af0
rbx 0xffff80001d6e5ba0
rdx 0x2
rcx 0
rax 0x1
r8 0xffffffff819e2c3f kprintf+0x15f
r9 0x1
r10 0x2
r11 0x72ba00d6e8c0dae
r12 0x3000000008
r13 0xffff80001d6e5b00
r14 0x100
r15 0x1
rip 0xffffffff823b1bf8 db_enter+0x18
cs 0x8
rflags 0x246
rsp 0xffff80001d6e5ae0
ss 0x10
db_enter+0x18: addq $0x8,%rsp
ddb> show proc
PROC (dhclient) pid=107379 stat=onproc
flags process=0 proc=0
pri=24, usrpri=50, nice=20
forw=0xffffffffffffffff, list=0xffff80001d6aa5f8,0xffff80001d6a9768
process=0xffff80001d6c4af0 user=0xffff80001d6e0000, vmspace=0xfffffd806bc0a000
estcpu=0, cpticks=0, pctcpu=0.0
user=0, sys=0, intr=0
ddb> ps
PID TID PPID UID S FLAGS WAIT COMMAND
45179 457261 86895 0 3 0x82 wait syz-execprog
45179 453430 86895 0 3 0x4000082 thrsleep syz-execprog
45179 49043 86895 0 3 0x4000082 thrsleep syz-execprog
45179 10850 86895 0 3 0x4000082 thrsleep syz-execprog
45179 144811 86895 0 3 0x4000082 thrsleep syz-execprog
45179 164047 86895 0 3 0x4000082 kqread syz-execprog
86895 18360 33788 0 3 0x10008a pause ksh
33788 2811 56139 0 3 0x92 select sshd
47545 467607 1 0 3 0x100083 ttyin getty
56139 174991 1 0 3 0x80 select sshd
4935 223722 34743 73 3 0x100090 kqread syslogd
34743 389950 1 0 3 0x100082 netio syslogd
57809 481581 1 77 2 0x100010 dhclient
*32303 107379 1 0 7 0 dhclient
97340 250066 0 0 3 0x14200 bored smr
27652 437356 0 0 3 0x14200 pgzero zerothread
80579 521538 0 0 3 0x14200 aiodoned aiodoned
91404 160434 0 0 3 0x14200 syncer update
21682 19729 0 0 3 0x14200 cleaner cleaner
70547 409830 0 0 3 0x14200 reaper reaper
43032 60656 0 0 3 0x14200 pgdaemon pagedaemon
87256 427080 0 0 3 0x14200 bored crynlk
49136 112443 0 0 3 0x14200 bored crypto
86948 43932 0 0 3 0x40014200 acpi0 acpi0
23255 250020 0 0 2 0x14200 softnet
74927 420489 0 0 2 0x14200 systqmp
82263 230796 0 0 3 0x14200 bored systq
59972 330785 0 0 3 0x40014200 bored softclock
7197 200162 0 0 3 0x40014200 idle0
1 518215 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 9440 6320K 6320K 78643K 10540 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 73 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 1624 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 1413 0 22 87 0 87 87 0 8 0
ffsino 240 1413 0 22 82 0 82 82 0 8 0
nchpl 144 1630 0 39 60 0 60 60 0 8 1
uvmvnodes 72 1422 0 0 26 0 26 26 0 8 0
vnodes 208 1422 0 0 75 0 75 75 0 8 0
namei 1024 3939 0 3939 2 1 1 1 0 8 1
scxspl 192 4407 0 4407 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 48 0 38 1 0 1 1 0 8 0
kqueuepl 144 2 0 0 1 0 1 1 0 8 0
pipepl 272 71 0 64 2 1 1 1 0 8 0
fdescpl 432 198 0 186 2 0 2 2 0 8 0
filepl 120 980 0 927 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 624 217 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 4935 0 4907 6 2 4 6 0 8 0
mtagpl 96 2 0 2 1 1 0 1 0 8 0
mbufpl 256 8703 0 8629 9 2 7 7 0 8 0
bufpl 280 2896 0 115 199 0 199 199 0 8 0
anonpl 16 21567 0 20028 14 2 12 12 0 107 3
amapchunkpl 152 839 0 775 4 0 4 4 0 158 1
amappl16 192 127 0 96 2 0 2 2 0 8 0
amappl15 184 10 0 8 1 0 1 1 0 8 0
amappl14 176 1 0 1 1 0 1 1 0 8 1
amappl13 168 20 0 18 2 1 1 1 0 8 0
amappl12 160 25 0 22 1 0 1 1 0 8 0
amappl11 152 42 0 32 1 0 1 1 0 8 0
amappl10 144 12 0 10 1 0 1 1 0 8 0
amappl9 136 200 0 197 1 0 1 1 0 8 0
amappl8 128 246 0 232 2 1 1 1 0 8 0
amappl7 120 94 0 85 1 0 1 1 0 8 0
amappl6 112 34 0 27 1 0 1 1 0 8 0
amappl5 104 126 0 117 1 0 1 1 0 8 0
amappl4 96 426 0 403 1 0 1 1 0 8 0
amappl3 88 127 0 119 1 0 1 1 0 8 0
amappl2 80 810 0 759 3 1 2 2 0 8 0
amappl1 72 13629 0 13244 24 7 17 17 0 8 8
amappl 80 442 0 416 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 6067 0 6045 2 0 2 2 0 8 0
vmmpepl 168 29461 0 28611 85 16 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 105910 0 102192 108 7 101 101 0 265 69
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 112 218 0 9 6 0 6 6 0 8 0
ddb> machine ddbcpu 0
No such command
ddb> trace
db_enter() at db_enter+0x18
panic(ffffffff823ca65a) at panic+0x164
soreceive(fffffd8067d2f000,0,ffff80001d6e5da8,0,0,ffff80001d6e5cb4) at soreceive+0x16e7
soo_read(fffffd8067df3438,ffff80001d6e5da8,0) at soo_read+0x53
dofilereadv(ffff80001d6a94e8,6,ffff80001d6e5da8,0,ffff80001d6e5e90) at dofilereadv+0x1a1
sys_read(ffff80001d6a94e8,ffff80001d6e5e40,ffff80001d6e5e90) at sys_read+0x83
syscall(ffff80001d6e5f10) at syscall+0x507
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffe4b00, count: -8
ddb> machine ddbcpu 1
No such command
ddb> trace
db_enter() at db_enter+0x18
panic(ffffffff823ca65a) at panic+0x164
soreceive(fffffd8067d2f000,0,ffff80001d6e5da8,0,0,ffff80001d6e5cb4) at soreceive+0x16e7
soo_read(fffffd8067df3438,ffff80001d6e5da8,0) at soo_read+0x53
dofilereadv(ffff80001d6a94e8,6,ffff80001d6e5da8,0,ffff80001d6e5e90) at dofilereadv+0x1a1
sys_read(ffff80001d6a94e8,ffff80001d6e5e40,ffff80001d6e5e90) at sys_read+0x83
syscall(ffff80001d6e5f10) at syscall+0x507
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffe4b00, count: -8
ddb>