login: kHWE LƋuLe-6TժvlKHA E $@vML9;JUӥB. ZGDq̠ panic: missing alias
Stopped at db_enter+0x25: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
* 85319 69052 0 0 0x4000000 0 syz-executor
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
panic(ffffffff8342e434) at panic+0x1cf sys/kern/subr_prf.c:198
vgonel(fffffa8065531ce8,ffff80003b0dfcb0) at vgonel+0x663
checkalias(fffffa8065531dc0,800,0) at checkalias+0x1af sys/kern/vfs_subr.c:582
cdevvp(800,ffffffff83a47120) at cdevvp+0xd2 getdevvp sys/kern/vfs_subr.c:-1 [inline]
cdevvp(800,ffffffff83a47120) at cdevvp+0xd2 sys/kern/vfs_subr.c:517
cnopen(0,21,2000,ffff80003b0dfcb0) at cnopen+0x10c sys/dev/cons.c:78
spec_open(ffff80003c9ace48) at spec_open+0x2d6 sys/kern/spec_vnops.c:150
VOP_OPEN(fffffa8064d0b020,21,fffffa8007ffd618,ffff80003b0dfcb0) at VOP_OPEN+0x82 sys/kern/vfs_vops.c:138
vn_open(ffff80003c9ad0a0,21,0) at vn_open+0x7a5 sys/kern/vfs_vnops.c:183
doopenat(ffff80003b0dfcb0,ffffff9c,200000000080,20,0,0,cb227295a8702282) at doopenat+0x352 sys/kern/vfs_syscalls.c:1163
sys_openat(ffff80003b0dfcb0,ffff80003c9ad340,ffff80003c9ad290) at sys_openat+0x58 sys/kern/vfs_syscalls.c:1102
syscall(ffff80003c9ad340) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80003c9ad340) at syscall+0x962 sys/arch/amd64/amd64/trap.c:791
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x32128be8fb0, count: 2
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
*cpu0: missing alias
ddb> show kasan
No such command
ddb> trace
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
panic(ffffffff8342e434) at panic+0x1cf sys/kern/subr_prf.c:198
vgonel(fffffa8065531ce8,ffff80003b0dfcb0) at vgonel+0x663
checkalias(fffffa8065531dc0,800,0) at checkalias+0x1af sys/kern/vfs_subr.c:582
cdevvp(800,ffffffff83a47120) at cdevvp+0xd2 getdevvp sys/kern/vfs_subr.c:-1 [inline]
cdevvp(800,ffffffff83a47120) at cdevvp+0xd2 sys/kern/vfs_subr.c:517
cnopen(0,21,2000,ffff80003b0dfcb0) at cnopen+0x10c sys/dev/cons.c:78
spec_open(ffff80003c9ace48) at spec_open+0x2d6 sys/kern/spec_vnops.c:150
VOP_OPEN(fffffa8064d0b020,21,fffffa8007ffd618,ffff80003b0dfcb0) at VOP_OPEN+0x82 sys/kern/vfs_vops.c:138
vn_open(ffff80003c9ad0a0,21,0) at vn_open+0x7a5 sys/kern/vfs_vnops.c:183
doopenat(ffff80003b0dfcb0,ffffff9c,200000000080,20,0,0,cb227295a8702282) at doopenat+0x352 sys/kern/vfs_syscalls.c:1163
sys_openat(ffff80003b0dfcb0,ffff80003c9ad340,ffff80003c9ad290) at sys_openat+0x58 sys/kern/vfs_syscalls.c:1102
syscall(ffff80003c9ad340) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80003c9ad340) at syscall+0x962 sys/arch/amd64/amd64/trap.c:791
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x32128be8fb0, count: -13
ddb> show registers
rdi 0
rsi 0x1
rbp 0xffff80003c9acb90
rbx 0xfffffa8065531ce8
rdx 0xffff8000015ad700
rcx 0
rax 0xffff80003b0dfcb0
r8 0x101010101010101
r9 0x8080808080808080
r10 0xd994e45e157a5387
r11 0x9f889cfd51b30e9f
r12 0
r13 0x6000 __ALIGN_SIZE+0x5000
r14 0
r15 0x1
rip 0xffffffff82d0a535 db_enter+0x25
cs 0x8
rflags 0x246
rsp 0xffff80003c9acb80
ss 0x10
db_enter+0x25: addq $0x8,%rsp
ddb> show proc
PROC (syz-executor) tid=85319 pid=69052 tcnt=3 stat=onproc
flags process=0 proc=4000000<THREAD>
runpri=50, usrpri=50, slppri=32, nice=20
wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0
forw=0xffffffffffffffff, list=0xffff80003b0de7f0,0xffff80003b0df260
process=0xffff8000338c3198 user=0xffff80003c9a8000, vmspace=0xfffffa806cdf9b90
estcpu=36, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0
ddb> ps
PID TID PPID UID S PRLAGS PFLAGS WAIT COMMAND
91132 109950 93480 60928 2 0x10 0 syz-executor
91132 68712 93480 60928 3 0x10 0x4000080 fsleep syz-executor
10989 85735 11135 0 2 0 0 syz-executor
10989 25545 11135 0 3 0 0x4000080 fsleep syz-executor
10989 384871 11135 0 3 0 0x4000080 fsleep syz-executor
93582 149632 51492 0 2 0 0 syz-executor
93582 388583 51492 0 3 0 0x4000080 sbwait syz-executor
31497 424318 1 0 3 0 0x80 nanoslp init
20148 309322 27517 0 2 0x10 0 syz-executor
20148 283910 27517 0 3 0x10 0x4000080 fsleep syz-executor
20148 325576 27517 0 3 0x10 0x4000080 fsleep syz-executor
69052 176110 86237 0 2 0 0 syz-executor
*69052 85319 86237 0 7 0 0x4000000 syz-executor
69052 101779 86237 0 2 0 0x4000000 syz-executor
80283 491106 81211 60929 2 0x10 0 syz-executor
80283 72222 81211 60929 3 0x10 0x4000080 fsleep syz-executor
80283 438320 81211 60929 3 0x10 0x4000080 fsleep syz-executor
80283 446555 81211 60929 3 0x10 0x4000080 fsleep syz-executor
86237 376375 46445 0 3 0x2 0x80 nanoslp syz-executor
9027 430896 0 0 3 0x14000 0x280 nfsidl nfsio
78957 260679 0 0 3 0x14000 0x280 nfsidl nfsio
51448 319170 0 0 3 0x14000 0x280 nfsidl nfsio
95926 161547 0 0 3 0x14000 0x280 nfsidl nfsio
88477 403053 0 0 3 0x14000 0x280 nfsidl nfsio
6386 174121 0 0 3 0x14000 0x280 nfsidl nfsio
34388 197168 0 0 3 0x14000 0x280 nfsidl nfsio
40120 298786 0 0 3 0x14000 0x280 nfsidl nfsio
11798 92656 0 0 3 0x14000 0x280 nfsidl nfsio
86054 140998 0 0 3 0x14000 0x280 nfsidl nfsio
46045 280207 0 0 3 0x14000 0x280 nfsidl nfsio
21276 16136 0 0 3 0x14000 0x280 nfsidl nfsio
41713 282199 0 0 3 0x14000 0x280 nfsidl nfsio
58283 331614 0 0 3 0x14000 0x280 nfsidl nfsio
29454 195772 0 0 3 0x14000 0x280 nfsidl nfsio
89135 161577 0 0 3 0x14000 0x280 nfsidl nfsio
15097 436630 0 0 3 0x14000 0x280 nfsidl nfsio
84334 450770 0 0 3 0x14000 0x280 nfsidl nfsio
64801 378545 0 0 3 0x14000 0x280 nfsidl nfsio
81300 508709 0 0 3 0x14000 0x280 nfsidl nfsio
99251 200688 0 0 3 0x14000 0x200 acct acct
81211 33337 46445 0 3 0x2 0x80 nanoslp syz-executor
93480 288733 46445 0 3 0x2 0x80 nanoslp syz-executor
57040 16895 46445 0 2 0x2 0 syz-executor
11135 185071 46445 0 3 0x2 0x80 nanoslp syz-executor
27517 470652 46445 0 3 0x2 0x80 nanoslp syz-executor
19908 64747 46445 0 2 0x2 0 syz-executor
51492 284999 46445 0 3 0x2 0x80 nanoslp syz-executor
46445 117898 14914 0 3 0x2 0x80 kqread syz-executor
14914 256435 23455 0 3 0x100002 0x88 sigsusp ksh
23455 457647 4655 0 3 0x10 0x88 kqread sshd-session
4655 55347 62919 0 3 0x12 0x80 kqread sshd-session
62919 24595 1 0 3 0 0x88 kqread sshd
67894 490678 34042 73 3 0x1100010 0x80 kqread syslogd
34042 117783 1 0 3 0x100002 0x80 sbwait syslogd
7728 454102 1 0 3 0x100000 0x80 kqread resolvd
67438 451285 29967 77 3 0x100012 0x80 kqread dhcpleased
30379 347779 29967 77 3 0x100012 0x80 kqread dhcpleased
29967 472859 1 0 3 0 0x80 kqread dhcpleased
42294 367159 0 0 3 0x14000 0x200 bored smr
80355 282123 0 0 2 0x14000 0x200 zerothread
11781 447957 0 0 3 0x14000 0x200 aiodoned aiodoned
50580 284672 0 0 3 0x14000 0x200 syncer update
56208 75948 0 0 3 0x14000 0x200 cleaner cleaner
99092 487741 0 0 3 0x14000 0x200 reaper reaper
36307 298387 0 0 3 0x14000 0x200 pgdaemon pagedaemon
46101 274566 0 0 3 0x14000 0x200 bored viomb
69968 410495 0 0 3 0x14000 0x40000200 acpi0 acpi0
70268 7305 0 0 3 0x14000 0x200 bored softnet0
47801 140653 0 0 3 0x14000 0x200 bored systqmp
46252 425356 0 0 3 0x14000 0x200 bored systq
80499 103383 0 0 3 0x14000 0x40000200 tmoslp softclock
90812 241087 0 0 3 0x14000 0x40000200 idle0
1 58308 0 0 3 0x2 0x80 wait init
0 0 -1 0 3 0x10000 0x200 scheduler swapper
ddb> show all locks
No such command
ddb> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 11060 12170K 12425K 166960K 12833 0
pcb 19 16K 21K 166960K 336 0
rtable 221 8K 8K 166960K 474 0
pf 28 12K 73K 166960K 71 0
ifaddr 39 7K 7K 166960K 64 0
ifgroup 46 2K 2K 166960K 79 0
sysctl 4 1K 9K 166960K 10 0
counters 32 17K 18K 166960K 50 0
ioctlops 0 0K 4K 166960K 229 0
iov 0 0K 16K 166960K 19 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1295 81K 82K 166960K 1914 0
UFS quota 1 32K 32K 166960K 1 0
UFS mount 5 36K 36K 166960K 5 0
shm 2 1K 13K 166960K 14 0
VM map 2 1K 1K 166960K 2 0
sem 12 0K 0K 166960K 37 0
dirhash 12 2K 2K 166960K 15 0
ACPI 1734 201K 291K 166960K 11964 0
file desc 16 57K 236K 166960K 668 0
sigio 0 0K 0K 166960K 13 0
proc 51 50K 91K 166960K 591 0
subproc 72 4K 4K 166960K 81 0
NFS srvsock 1 0K 0K 166960K 1 0
NFS daemon 1 16K 16K 166960K 1 0
ip_moptions 0 0K 0K 166960K 61 0
in_multi 88 5K 6K 166960K 132 0
ether_multi 1 0K 0K 166960K 5 0
mrt 2 0K 0K 166960K 26 0
ISOFS mount 1 32K 32K 166960K 1 0
MSDOSFS mount 1 16K 16K 166960K 1 0
ttys 223 996K 996K 166960K 223 0
exec 0 0K 1K 166960K 481 0
fusefs mount 1 32K 32K 166960K 1 0
pfkey data 0 0K 0K 166960K 2 0
tdb 3 0K 0K 166960K 3 0
VM swap 8 62K 64K 166960K 10 0
UVM amap 215 147K 168K 166960K 7308 0
UVM aobj 11 2K 2K 166960K 12 0
pinsyscall 36 72K 98K 166960K 1796 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
ip6_options 0 0K 0K 166960K 35 0
NDP 10 0K 1K 166960K 41 0
temp 45 9112K 9172K 166960K 22164 0
kqueue 13 20K 35K 166960K 149 0
SYN cache 2 16K 16K 166960K 2 0
ddb> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
rtpcb 120 144 0 140 1 0 1 1 0 8 0
rtentry 136 136 0 45 4 0 4 4 0 8 0
unpcb 144 366 0 349 5 4 1 4 0 8 0
syncache 336 14 0 14 3 2 1 1 0 8 1
tcpqe 32 6 0 6 3 2 1 1 0 8 1
tcpcb 736 148 0 133 3 1 2 2 0 8 0
arp 96 22 0 5 1 0 1 1 0 8 0
ipq 40 2 0 0 1 0 1 1 0 8 0
ipqe 40 2 0 0 1 0 1 1 0 8 0
inpcb 328 824 0 802 19 16 3 13 0 8 1
ip6q 80 2 0 0 1 0 1 1 0 8 0
ip6af 40 2 0 0 1 0 1 1 0 8 0
nd6 112 31 0 9 1 0 1 1 0 8 0
pkpcb 40 73 0 73 2 2 0 1 0 8 0
kcovpl 48 9 0 1 1 0 1 1 0 8 0
ppxss 1072 15 0 15 2 2 0 1 0 8 0
pfanchor 1288 4 0 0 1 0 1 1 0 8 0
rttmr 136 1 0 1 1 1 0 1 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 548 0 144 26 0 26 26 0 8 0
art_table 40 549 0 144 5 0 5 5 0 8 0
art_node 32 135 0 56 1 0 1 1 0 8 0
sysvmsgpl 40 6 0 3 1 0 1 1 0 8 0
semupl 112 1 0 1 1 1 0 1 0 8 0
semapl 72 31 0 21 1 0 1 1 0 8 0
shmpl 112 9 0 1 1 0 1 1 0 8 0
dirhash 1024 19 0 2 3 0 3 3 0 8 0
dino2pl 256 2684 0 1226 92 0 92 92 0 8 0
ffsino 256 2684 0 1226 92 0 92 92 0 8 0
nchpl 144 3571 0 1876 64 0 64 64 0 8 0
rtmask 32 2 0 2 2 2 0 1 0 8 0
vnodes 216 2969 0 0 165 0 165 165 0 8 0
namei 1024 12096 0 12095 4 3 1 2 0 8 0
kstatmem 264 47 0 26 2 0 2 2 0 8 0
scsiplug 72 4 0 4 3 2 1 1 0 8 1
scxspl 216 13215 0 13215 10 9 1 8 1 8 1
plimitpl 152 330 0 313 1 0 1 1 0 8 0
sigapl 424 974 0 912 9 1 8 8 0 8 0
knotepl 120 24151 0 24104 31 21 10 16 0 8 7
kqueuepl 184 224 0 214 4 3 1 4 0 8 0
pipepl 304 161 0 134 3 0 3 3 0 8 0
fdescpl 448 940 0 912 5 1 4 5 0 8 0
filepl 120 6085 0 5867 16 7 9 13 0 8 0
lockfpl 104 213 0 210 1 0 1 1 0 8 0
lockfspl 48 70 0 67 1 0 1 1 0 8 0
sessionpl 144 116 0 109 1 0 1 1 0 8 0
pgrppl 48 131 0 116 1 0 1 1 0 8 0
ucredpl 104 1264 0 1250 1 0 1 1 0 8 0
zombiepl 144 949 0 949 2 1 1 1 0 8 1
processpl 1152 974 0 912 5 0 5 5 0 8 0
procpl 664 1735 0 1662 9 1 8 8 0 8 1
sockpl 552 1420 0 1377 23 19 4 13 0 8 0
mcl64k 65536 84 0 81 1 0 1 1 0 8 0
mcl16k 16384 1 0 1 1 1 0 1 0 8 0
mcl12k 12288 1 0 1 1 0 1 1 0 8 1
mcl9k128 9344 3 0 3 2 1 1 1 0 8 1
mcl8k 8192 17 0 17 3 2 1 1 0 8 1
mcl4k 4096 3257 0 3205 15 7 8 14 0 8 0
mcl2k 2048 625 0 623 3 2 1 3 0 8 0
mextrefs 64 376 0 375 1 0 1 1 0 8 0
mtagpl 96 7 0 6 1 0 1 1 0 8 0
mbufpl 256 11448 0 11264 22 9 13 18 0 8 0
bufpl 272 4391 0 104 286 0 286 286 0 8 0
anonpl 24 132237 0 129129 58 13 45 45 0 187 16
amapchunkpl 152 23683 0 23205 44 22 22 35 0 158 1
amappl16 200 2054 0 2024 18 6 12 15 0 8 8
amappl15 192 7 0 7 1 1 0 1 0 8 0
amappl14 184 424 0 422 1 0 1 1 0 8 0
amappl13 176 115 0 106 1 0 1 1 0 8 0
amappl12 168 1184 0 1158 2 0 2 2 0 8 0
amappl11 160 3 0 3 1 1 0 1 0 8 0
amappl10 152 60 0 50 1 0 1 1 0 8 0
amappl9 144 272 0 272 1 1 0 1 0 8 0
amappl8 136 99 0 96 1 0 1 1 0 8 0
amappl7 128 143 0 132 1 0 1 1 0 8 0
amappl6 120 156 0 155 1 0 1 1 0 8 0
amappl5 112 89 0 81 1 0 1 1 0 8 0
amappl4 104 273 0 257 1 0 1 1 0 8 0
amappl3 96 4251 0 4160 3 0 3 3 0 8 0
amappl2 88 1066 0 995 2 0 2 2 0 8 0
amappl1 80 12308 0 11785 13 1 12 13 0 8 0
amappl 88 6507 0 6351 7 2 5 5 0 92 0
uvmvnodes 80 111 0 0 3 0 3 3 0 8 0
dma4096 4096 1 0 1 1 1 0 1 0 8 0
dma1024 1024 1 0 0 1 0 1 1 0 8 0
dma256 256 6 0 6 1 1 0 1 0 8 0
dma128 128 255 0 255 2 2 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 19 0 18 1 0 1 1 0 8 0
aobjpl 72 11 0 1 1 0 1 1 0 8 0
uaddrrnd 24 940 0 912 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 940 0 912 1 0 1 1 0 8 0
vmmpekpl 168 8929 0 8887 4 1 3 3 0 8 0
vmmpepl 168 65620 0 63900 93 0 93 93 0 357 11
vmsppl 368 939 0 912 4 1 3 4 0 8 0
rwobjpl 40 19565 0 18627 13 0 13 13 0 8 1
pdppl 4096 1886 0 1824 106 40 66 82 0 8 4
pvpl 32 396454 0 388207 152 33 119 121 0 265 37
pmappl 216 939 0 912 3 0 3 3 0 8 0
extentpl 40 46 0 28 1 0 1 1 0 8 0
phpool 112 673 0 71 18 0 18 18 0 8 0
ddb> machine ddbcpu 0
No such command
ddb> trace
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
panic(ffffffff8342e434) at panic+0x1cf sys/kern/subr_prf.c:198
vgonel(fffffa8065531ce8,ffff80003b0dfcb0) at vgonel+0x663
checkalias(fffffa8065531dc0,800,0) at checkalias+0x1af sys/kern/vfs_subr.c:582
cdevvp(800,ffffffff83a47120) at cdevvp+0xd2 getdevvp sys/kern/vfs_subr.c:-1 [inline]
cdevvp(800,ffffffff83a47120) at cdevvp+0xd2 sys/kern/vfs_subr.c:517
cnopen(0,21,2000,ffff80003b0dfcb0) at cnopen+0x10c sys/dev/cons.c:78
spec_open(ffff80003c9ace48) at spec_open+0x2d6 sys/kern/spec_vnops.c:150
VOP_OPEN(fffffa8064d0b020,21,fffffa8007ffd618,ffff80003b0dfcb0) at VOP_OPEN+0x82 sys/kern/vfs_vops.c:138
vn_open(ffff80003c9ad0a0,21,0) at vn_open+0x7a5 sys/kern/vfs_vnops.c:183
doopenat(ffff80003b0dfcb0,ffffff9c,200000000080,20,0,0,cb227295a8702282) at doopenat+0x352 sys/kern/vfs_syscalls.c:1163
sys_openat(ffff80003b0dfcb0,ffff80003c9ad340,ffff80003c9ad290) at sys_openat+0x58 sys/kern/vfs_syscalls.c:1102
syscall(ffff80003c9ad340) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80003c9ad340) at syscall+0x962 sys/arch/amd64/amd64/trap.c:791
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x32128be8fb0, count: -13
ddb> machine ddbcpu 1
No such command
ddb> trace
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
panic(ffffffff8342e434) at panic+0x1cf sys/kern/subr_prf.c:198
vgonel(fffffa8065531ce8,ffff80003b0dfcb0) at vgonel+0x663
checkalias(fffffa8065531dc0,800,0) at checkalias+0x1af sys/kern/vfs_subr.c:582
cdevvp(800,ffffffff83a47120) at cdevvp+0xd2 getdevvp sys/kern/vfs_subr.c:-1 [inline]
cdevvp(800,ffffffff83a47120) at cdevvp+0xd2 sys/kern/vfs_subr.c:517
cnopen(0,21,2000,ffff80003b0dfcb0) at cnopen+0x10c sys/dev/cons.c:78
spec_open(ffff80003c9ace48) at spec_open+0x2d6 sys/kern/spec_vnops.c:150
VOP_OPEN(fffffa8064d0b020,21,fffffa8007ffd618,ffff80003b0dfcb0) at VOP_OPEN+0x82 sys/kern/vfs_vops.c:138
vn_open(ffff80003c9ad0a0,21,0) at vn_open+0x7a5 sys/kern/vfs_vnops.c:183
doopenat(ffff80003b0dfcb0,ffffff9c,200000000080,20,0,0,cb227295a8702282) at doopenat+0x352 sys/kern/vfs_syscalls.c:1163
sys_openat(ffff80003b0dfcb0,ffff80003c9ad340,ffff80003c9ad290) at sys_openat+0x58 sys/kern/vfs_syscalls.c:1102
syscall(ffff80003c9ad340) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80003c9ad340) at syscall+0x962 sys/arch/amd64/amd64/trap.c:791
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x32128be8fb0, count: -13