uvm_fault: VOP_LOCK (3)
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syzbot
Nov 26, 2025, 2:30:38 PM (3 days ago) Nov 26
to syzkaller-o...@googlegroups.com
Hello,
syzbot found the following issue on:
HEAD commit: 856b2687a9ff sndiod: Enable fall-back audio devices by def..
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=121e8e12580000
kernel config: https://syzkaller.appspot.com/x/.config?x=1bc15e68cd2a49e5
dashboard link: https://syzkaller.appspot.com/bug?extid=2725cc8afc381dac81be
Unfortunately, I don't have any reproducer for this issue yet.
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/b5114d09fc7d/disk-856b2687.raw.xz
bsd.gdb: https://storage.googleapis.com/syzbot-assets/8297bc460e2b/bsd-856b2687.gdb.xz
kernel image: https://storage.googleapis.com/syzbot-assets/927106862800/kernel-856b2687.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+2725cc...@syzkaller.appspotmail.com
uvm_fault(0xfffffd807007f458, 0x0, 0, 1) -> e
kernel: page fault trap, code=0
Stopped at VOP_LOCK+0x7c: movq 0(%rax),%r14
TID PID UID PRFLAGS PFLAGS CPU COMMAND
*219633 77998 0 0x2 0 0 syz-executor
VOP_LOCK(fffffd8069c45640,1) at VOP_LOCK+0x7c sys/kern/vfs_vops.c:524
vn_lock(fffffd8069c45640,1) at vn_lock+0xa4 sys/kern/vfs_vnops.c:570
vget(fffffd8069c45640,1) at vget+0x2a2 sys/kern/vfs_subr.c:686
ufs_ihashget(400,13403) at ufs_ihashget+0x185 sys/ufs/ufs/ufs_ihash.c:98
ffs_vget(ffff800000b58800,13403,ffff80002a88aae0) at ffs_vget+0x8c sys/ufs/ffs/ffs_vfsops.c:1203
ufs_lookup() at ufs_lookup+0x16ad sys/ufs/ufs/ufs_lookup.c:573
VOP_LOOKUP(fffffd806cf851e8,ffff80002a88af30,ffff80002a88af60) at VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85
vfs_lookup(ffff80002a88af00) at vfs_lookup+0x921 sys/kern/vfs_lookup.c:566
namei(ffff80002a88af00) at namei+0x7ca sys/kern/vfs_lookup.c:250
vn_open(ffff80002a88af00,30001,0) at vn_open+0x15a sys/kern/vfs_vnops.c:140
doopenat(ffff80002a776008,ffffff9c,713439a751b0,30000,0,ffff80002a88b0a0) at doopenat+0x34d sys/kern/vfs_syscalls.c:1138
syscall(ffff80002a88b150) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80002a88b150) at syscall+0x962 sys/arch/amd64/amd64/trap.c:765
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x713439a74cb0, 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: uvm_fault(0xfffffd807007f458, 0x0, 0, 1) -> e
ddb> trace
VOP_LOCK(fffffd8069c45640,1) at VOP_LOCK+0x7c sys/kern/vfs_vops.c:524
vn_lock(fffffd8069c45640,1) at vn_lock+0xa4 sys/kern/vfs_vnops.c:570
vget(fffffd8069c45640,1) at vget+0x2a2 sys/kern/vfs_subr.c:686
ufs_ihashget(400,13403) at ufs_ihashget+0x185 sys/ufs/ufs/ufs_ihash.c:98
ffs_vget(ffff800000b58800,13403,ffff80002a88aae0) at ffs_vget+0x8c sys/ufs/ffs/ffs_vfsops.c:1203
ufs_lookup() at ufs_lookup+0x16ad sys/ufs/ufs/ufs_lookup.c:573
VOP_LOOKUP(fffffd806cf851e8,ffff80002a88af30,ffff80002a88af60) at VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85
vfs_lookup(ffff80002a88af00) at vfs_lookup+0x921 sys/kern/vfs_lookup.c:566
namei(ffff80002a88af00) at namei+0x7ca sys/kern/vfs_lookup.c:250
vn_open(ffff80002a88af00,30001,0) at vn_open+0x15a sys/kern/vfs_vnops.c:140
doopenat(ffff80002a776008,ffffff9c,713439a751b0,30000,0,ffff80002a88b0a0) at doopenat+0x34d sys/kern/vfs_syscalls.c:1138
syscall(ffff80002a88b150) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80002a88b150) at syscall+0x962 sys/arch/amd64/amd64/trap.c:765
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x713439a74cb0, count: -13
ddb> show registers
rdi 0
rsi 0
rbp 0xffff80002a88a890
rbx 0x1
rdx 0
rcx 0
rax 0
r8 0x30
r9 0xfffffd8007bfd750
r10 0x88047d2e981b567c
r11 0x16ec39078f43d35c
r12 0
r13 0
r14 0xfffffd8069c45640
r15 0
rip 0xffffffff828e1d8c VOP_LOCK+0x7c
cs 0x8
rflags 0x10202 __ALIGN_SIZE+0xf202
rsp 0xffff80002a88a850
ss 0x10
VOP_LOCK+0x7c: movq 0(%rax),%r14
ddb> show proc
PROC (syz-executor) tid=219633 pid=77998 tcnt=1 stat=onproc
flags process=2<EXEC> proc=0
runpri=50, usrpri=50, slppri=32, nice=20
wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0
forw=0xffffffffffffffff, list=0xffff80002a777230,0xffff80002a776d10
process=0xffff80002a7ded10 user=0xffff80002a886000, vmspace=0xfffffd807007f458
estcpu=36, cpticks=15, pctcpu=0.0, user=0, sys=15, intr=0
ddb> ps
PID TID PPID UID S FLAGS WAIT COMMAND
30711 272332 58385 0 2 0 syz-executor
30711 436972 58385 0 3 0x4000080 fsleep syz-executor
28948 449677 47235 0 3 0x80 nanoslp syz-executor
28948 58319 47235 0 3 0x4000080 kqread syz-executor
83079 193763 15383 0 2 0 syz-executor
83079 72408 15383 0 3 0x4000080 fsleep syz-executor
18693 279933 18718 0 3 0x1000080 nanoslp syz-executor
18693 99798 18718 0 3 0x5000080 fifor syz-executor
18693 376147 18718 0 3 0x5000080 fsleep syz-executor
18693 20107 18718 0 3 0x5000080 fsleep syz-executor
29660 21025 45098 0 3 0x80 nanoslp syz-executor
29660 116785 45098 0 3 0x4000080 msgwait syz-executor
29660 203340 45098 0 3 0x4000080 fsleep syz-executor
12491 221719 78673 0 3 0x80 nanoslp syz-executor
12491 496700 78673 0 3 0x4000080 ttyout syz-executor
12491 21655 78673 0 3 0x4000080 fsleep syz-executor
37162 400068 91178 0 3 0x90 nanoslp syz-executor
37162 334803 91178 0 3 0x4000090 netcon syz-executor
37162 392508 91178 0 3 0x4000090 fsleep syz-executor
84898 151349 1 0 3 0x100083 ttyin getty
41447 497345 0 0 3 0x14280 nfsidl nfsio
87987 494403 0 0 3 0x14280 nfsidl nfsio
81620 61814 0 0 3 0x14280 nfsidl nfsio
79646 174115 0 0 3 0x14280 nfsidl nfsio
24922 303613 0 0 3 0x14280 nfsidl nfsio
30395 498695 0 0 3 0x14280 nfsidl nfsio
64119 397305 0 0 3 0x14280 nfsidl nfsio
28798 327288 0 0 3 0x14280 nfsidl nfsio
54919 249147 0 0 3 0x14280 nfsidl nfsio
3941 304744 0 0 3 0x14280 nfsidl nfsio
49214 496535 0 0 3 0x14280 nfsidl nfsio
43827 14852 0 0 3 0x14280 nfsidl nfsio
87692 206551 0 0 3 0x14280 nfsidl nfsio
73437 112498 0 0 3 0x14280 nfsidl nfsio
87037 24329 0 0 3 0x14280 nfsidl nfsio
51948 11870 0 0 3 0x14280 nfsidl nfsio
26151 441527 0 0 3 0x14280 nfsidl nfsio
24715 295943 0 0 3 0x14280 nfsidl nfsio
16159 276024 0 0 3 0x14280 nfsidl nfsio
68095 486736 0 0 3 0x14280 nfsidl nfsio
58385 270399 70062 0 3 0x82 nanoslp syz-executor
45098 450284 70062 0 3 0x82 nanoslp syz-executor
78673 71491 70062 0 3 0x82 nanoslp syz-executor
47235 295668 70062 0 3 0x82 nanoslp syz-executor
*77998 219633 70062 0 7 0x2 syz-executor
18718 365012 70062 0 3 0x82 nanoslp syz-executor
91178 237893 70062 0 3 0x82 nanoslp syz-executor
15383 474202 70062 0 3 0x82 nanoslp syz-executor
70062 313107 15430 0 3 0x82 kqread syz-executor
15430 98923 36261 0 3 0x10008a sigsusp ksh
36261 413405 18002 0 3 0x98 kqread sshd-session
18002 456210 50385 0 3 0x92 kqread sshd-session
50385 65671 1 0 3 0x88 kqread sshd
73059 202128 6918 73 3 0x1100090 kqread syslogd
6918 188881 1 0 3 0x100082 sbwait syslogd
73201 379841 1 0 3 0x100080 kqread resolvd
31559 235671 73755 77 3 0x100092 kqread dhcpleased
78498 38518 73755 77 3 0x100092 kqread dhcpleased
73755 495490 1 0 3 0x80 kqread dhcpleased
77415 354475 0 0 3 0x14200 bored smr
76023 393340 0 0 2 0x14200 zerothread
11810 410254 0 0 3 0x14200 aiodoned aiodoned
35350 448637 0 0 3 0x14200 syncer update
1784 335914 0 0 3 0x14200 cleaner cleaner
25261 4637 0 0 3 0x14200 reaper reaper
28251 17058 0 0 3 0x14200 pgdaemon pagedaemon
23590 100484 0 0 3 0x14200 bored viomb
66052 388542 0 0 3 0x40014200 acpi0 acpi0
73247 185557 0 0 3 0x14200 bored softnet0
18341 127670 0 0 3 0x14200 bored systqmp
81125 230799 0 0 3 0x14200 bored systq
57900 24250 0 0 3 0x40014200 tmoslp softclock
24382 296295 0 0 3 0x40014200 idle0
1 16784 0 0 3 0x82 wait init
0 0 -1 0 3 0x10010200 scheduler swapper
ddb> show all locks
No such command
ddb> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 10216 11177K 11500K 166960K 13847 0
pcb 17 16K 18K 166960K 527 0
rtable 218 10K 10K 166960K 635 0
pf 32 13K 16K 166960K 185 0
ifaddr 42 7K 8K 166960K 107 0
ifgroup 54 2K 2K 166960K 163 0
sysctl 4 1K 9K 166960K 20 0
counters 33 17K 18K 166960K 99 0
ioctlops 0 0K 4K 166960K 450 0
iov 0 0K 26K 166960K 187 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1436 90K 91K 166960K 2789 0
UFS quota 1 32K 32K 166960K 1 0
UFS mount 5 36K 36K 166960K 5 0
shm 2 1K 5K 166960K 21 0
VM map 2 1K 1K 166960K 2 0
sem 29 6K 6K 166960K 99 0
dirhash 9 1K 2K 166960K 27 0
ACPI 1692 195K 286K 166960K 12470 0
file desc 17 61K 236K 166960K 1521 0
sigio 0 0K 0K 166960K 66 0
proc 60 59K 75K 166960K 632 0
subproc 72 4K 4K 166960K 82 0
NFS srvsock 1 0K 0K 166960K 1 0
NFS daemon 1 16K 16K 166960K 1 0
ip_moptions 4 0K 0K 166960K 163 0
in_multi 78 5K 7K 166960K 175 0
ether_multi 1 0K 0K 166960K 20 0
mrt 1 0K 0K 166960K 7 0
ISOFS mount 1 32K 32K 166960K 1 0
MSDOSFS mount 1 16K 16K 166960K 1 0
ttys 259 1155K 1155K 166960K 259 0
exec 0 0K 1K 166960K 633 0
fusefs mount 1 32K 32K 166960K 1 0
pfkey data 0 0K 0K 166960K 5 0
tdb 3 0K 0K 166960K 3 0
VM swap 8 62K 64K 166960K 10 0
UVM amap 235 151K 171K 166960K 15308 0
UVM aobj 99 15K 15K 166960K 101 0
pinsyscall 38 76K 84K 166960K 2620 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
ip6_options 0 0K 0K 166960K 85 0
NDP 12 0K 2K 166960K 67 0
temp 76 8672K 8742K 166960K 38205 0
kqueue 14 22K 37K 166960K 314 0
SYN cache 2 8K 16K 166960K 3 0
ddb> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
rtpcb 120 247 0 243 3 2 1 3 0 8 0
rtentry 136 162 0 80 4 0 4 4 0 8 0
unpcb 144 1305 0 1285 9 7 2 6 0 8 1
syncache 336 9 0 9 4 3 1 1 0 8 1
tcpqe 32 5 0 5 3 3 0 1 0 8 0
tcpcb 736 583 0 569 9 5 4 7 0 8 2
arp 96 25 0 11 1 0 1 1 0 8 0
ipq 40 7 0 1 1 0 1 1 0 8 0
ipqe 40 12 0 6 1 0 1 1 0 8 0
inpcb 328 1951 0 1931 14 7 7 7 0 8 5
ip6q 72 7 0 5 1 0 1 1 0 8 0
ip6af 40 13 0 11 1 0 1 1 0 8 0
nd6 112 34 0 15 1 0 1 1 0 8 0
pkpcb 40 11 0 11 3 2 1 1 0 8 1
kcovpl 48 9 0 1 1 0 1 1 0 8 0
mppekey 1024 2 0 2 2 2 0 1 0 8 0
ppxss 1072 53 0 53 2 1 1 1 0 8 1
pppxif 1384 8 0 8 2 2 0 1 0 8 0
pfrktable 1344 2 0 2 1 1 0 1 0 8 0
rttmr 136 1 0 1 1 1 0 1 0 8 0
art_heap8 4096 3 0 0 3 0 3 3 0 8 0
art_heap4 256 701 0 340 33 7 26 30 0 8 1
art_table 40 704 0 340 5 0 5 5 0 8 0
art_node 32 160 0 90 1 0 1 1 0 8 0
sysvmsgpl 40 36 0 7 1 0 1 1 0 8 0
semupl 112 2 0 2 2 2 0 1 0 8 0
semapl 112 94 0 67 1 0 1 1 0 8 0
shmpl 112 91 0 1 3 0 3 3 0 8 0
dirhash 1024 27 0 20 3 0 3 3 0 8 1
dino2pl 256 4322 0 2826 95 0 95 95 0 8 0
ffsino 256 4322 0 2826 95 0 95 95 0 8 0
nchpl 144 6515 0 4819 64 0 64 64 0 8 0
rtmask 32 9 0 9 3 2 1 1 0 8 1
vnodes 216 5130 0 0 285 0 285 285 0 8 0
vnodes: pool(0xffffffff8387d720:vnodes): page inconsistency: page 0x0; at page head addr 0xfffffd8069c45f90 (p 0xfffffd8069c45000)
namei 1024 23666 0 23665 3 2 1 2 0 8 0
vcpupl 3904 7 0 1 1 0 1 1 0 8 0
vmpool 800 7 0 1 1 0 1 1 0 8 0
kstatmem 264 98 0 74 2 0 2 2 0 8 0
scsiplug 72 9 0 9 3 2 1 1 0 8 1
scxspl 216 19655 0 19655 10 9 1 8 1 8 1
plimitpl 152 419 0 402 1 0 1 1 0 8 0
sigapl 424 1818 0 1756 9 1 8 8 0 8 0
knotepl 120 337424 0 337376 60 50 10 24 0 8 8
kqueuepl 184 483 0 473 2 0 2 2 0 8 1
pipepl 304 258 0 231 3 0 3 3 0 8 0
fdescpl 448 1783 0 1754 4 0 4 4 0 8 0
filepl 120 12438 0 12211 16 2 14 14 0 8 5
lockfpl 104 651 0 648 2 0 2 2 0 8 1
lockfspl 48 230 0 227 1 0 1 1 0 8 0
sessionpl 144 26 0 18 1 0 1 1 0 8 0
pgrppl 48 58 0 42 1 0 1 1 0 8 0
ucredpl 104 2377 0 2365 1 0 1 1 0 8 0
zombiepl 144 1774 0 1774 3 2 1 1 0 8 1
processpl 1152 1818 0 1756 5 0 5 5 0 8 0
procpl 664 3850 0 3776 9 2 7 7 0 8 0
sosppl 176 10 0 10 2 1 1 1 0 8 1
sockpl 552 3564 0 3520 18 10 8 12 0 8 4
mcl64k 65536 164 0 164 2 1 1 1 0 8 1
mcl16k 16384 1 0 1 1 0 1 1 0 8 1
mcl8k 8192 15 0 15 3 2 1 1 0 8 1
mcl4k 4096 4309 0 4255 15 7 8 14 0 8 0
mcl2k2 2112 2 0 2 1 1 0 1 0 8 0
mcl2k 2048 2198 0 2185 9 6 3 7 0 8 1
mtagpl 96 90 0 27 2 0 2 2 0 8 0
mbufpl 256 24304 0 24057 255 232 23 190 0 8 3
bufpl 280 6833 0 612 445 0 445 445 0 8 0
anonpl 24 291036 0 283035 129 57 72 72 0 187 2
amapchunkpl 152 52751 0 52207 59 26 33 40 0 158 9
amappl16 200 5652 0 5400 57 31 26 26 0 8 0
amappl15 192 4 0 4 1 1 0 1 0 8 0
amappl14 184 8 0 8 2 2 0 1 0 8 0
amappl13 176 450 0 447 1 0 1 1 0 8 0
amappl12 168 2137 0 2099 2 0 2 2 0 8 0
amappl11 160 8 0 8 1 1 0 1 0 8 0
amappl10 152 46 0 36 1 0 1 1 0 8 0
amappl9 144 258 0 256 1 0 1 1 0 8 0
amappl8 136 25 0 23 1 0 1 1 0 8 0
amappl7 128 124 0 123 1 0 1 1 0 8 0
amappl6 120 279 0 267 1 0 1 1 0 8 0
amappl5 112 70 0 62 1 0 1 1 0 8 0
amappl4 104 393 0 369 1 0 1 1 0 8 0
amappl3 96 8961 0 8876 3 0 3 3 0 8 0
amappl2 88 1915 0 1842 2 0 2 2 0 8 0
amappl1 80 15055 0 14520 13 0 13 13 0 8 0
amappl 88 14355 0 14187 5 0 5 5 0 92 0
uvmvnodes 80 149 0 0 4 0 4 4 0 8 0
dma16384 16384 1 0 1 1 1 0 1 0 8 0
dma4096 4096 1 0 1 1 1 0 1 0 8 0
dma2048 2048 1 0 1 1 0 1 1 0 8 1
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 128 254 0 254 2 1 1 1 0 8 1
dma64 64 9 0 9 3 2 1 1 0 8 1
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 72 100 0 2 2 0 2 2 0 8 0
uaddrrnd 24 1783 0 1754 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 1783 0 1754 1 0 1 1 0 8 0
vmmpekpl 168 14677 0 14638 2 0 2 2 0 8 0
vmmpepl 168 116340 0 114320 115 14 101 101 0 357 2
vmsppl 368 1782 0 1754 3 0 3 3 0 8 0
rwobjpl 40 31135 0 29825 17 1 16 16 0 8 0
pdppl 4096 3587 0 3516 110 37 73 73 0 8 2
pvpl 32 814242 0 800005 231 76 155 155 0 265 13
pmappl 216 1789 0 1755 2 0 2 2 0 8 0
extentpl 40 45 0 27 1 0 1 1 0 8 0
phpool 112 654 0 307 16 3 13 15 0 8 0
ddb> machine ddbcpu 0
No such command
ddb> trace
VOP_LOCK(fffffd8069c45640,1) at VOP_LOCK+0x7c sys/kern/vfs_vops.c:524
vn_lock(fffffd8069c45640,1) at vn_lock+0xa4 sys/kern/vfs_vnops.c:570
vget(fffffd8069c45640,1) at vget+0x2a2 sys/kern/vfs_subr.c:686
ufs_ihashget(400,13403) at ufs_ihashget+0x185 sys/ufs/ufs/ufs_ihash.c:98
ffs_vget(ffff800000b58800,13403,ffff80002a88aae0) at ffs_vget+0x8c sys/ufs/ffs/ffs_vfsops.c:1203
ufs_lookup() at ufs_lookup+0x16ad sys/ufs/ufs/ufs_lookup.c:573
VOP_LOOKUP(fffffd806cf851e8,ffff80002a88af30,ffff80002a88af60) at VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85
vfs_lookup(ffff80002a88af00) at vfs_lookup+0x921 sys/kern/vfs_lookup.c:566
namei(ffff80002a88af00) at namei+0x7ca sys/kern/vfs_lookup.c:250
vn_open(ffff80002a88af00,30001,0) at vn_open+0x15a sys/kern/vfs_vnops.c:140
doopenat(ffff80002a776008,ffffff9c,713439a751b0,30000,0,ffff80002a88b0a0) at doopenat+0x34d sys/kern/vfs_syscalls.c:1138
syscall(ffff80002a88b150) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80002a88b150) at syscall+0x962 sys/arch/amd64/amd64/trap.c:765
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x713439a74cb0, count: -13
ddb> machine ddbcpu 1
No such command
ddb> trace
VOP_LOCK(fffffd8069c45640,1) at VOP_LOCK+0x7c sys/kern/vfs_vops.c:524
vn_lock(fffffd8069c45640,1) at vn_lock+0xa4 sys/kern/vfs_vnops.c:570
vget(fffffd8069c45640,1) at vget+0x2a2 sys/kern/vfs_subr.c:686
ufs_ihashget(400,13403) at ufs_ihashget+0x185 sys/ufs/ufs/ufs_ihash.c:98
ffs_vget(ffff800000b58800,13403,ffff80002a88aae0) at ffs_vget+0x8c sys/ufs/ffs/ffs_vfsops.c:1203
ufs_lookup() at ufs_lookup+0x16ad sys/ufs/ufs/ufs_lookup.c:573
VOP_LOOKUP(fffffd806cf851e8,ffff80002a88af30,ffff80002a88af60) at VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85
vfs_lookup(ffff80002a88af00) at vfs_lookup+0x921 sys/kern/vfs_lookup.c:566
namei(ffff80002a88af00) at namei+0x7ca sys/kern/vfs_lookup.c:250
vn_open(ffff80002a88af00,30001,0) at vn_open+0x15a sys/kern/vfs_vnops.c:140
doopenat(ffff80002a776008,ffffff9c,713439a751b0,30000,0,ffff80002a88b0a0) at doopenat+0x34d sys/kern/vfs_syscalls.c:1138
syscall(ffff80002a88b150) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80002a88b150) at syscall+0x962 sys/arch/amd64/amd64/trap.c:765
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x713439a74cb0, count: -13
---
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syzbot found the following issue on:
HEAD commit: 856b2687a9ff sndiod: Enable fall-back audio devices by def..
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=121e8e12580000
kernel config: https://syzkaller.appspot.com/x/.config?x=1bc15e68cd2a49e5
dashboard link: https://syzkaller.appspot.com/bug?extid=2725cc8afc381dac81be
Unfortunately, I don't have any reproducer for this issue yet.
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/b5114d09fc7d/disk-856b2687.raw.xz
bsd.gdb: https://storage.googleapis.com/syzbot-assets/8297bc460e2b/bsd-856b2687.gdb.xz
kernel image: https://storage.googleapis.com/syzbot-assets/927106862800/kernel-856b2687.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+2725cc...@syzkaller.appspotmail.com
uvm_fault(0xfffffd807007f458, 0x0, 0, 1) -> e
kernel: page fault trap, code=0
Stopped at VOP_LOCK+0x7c: movq 0(%rax),%r14
TID PID UID PRFLAGS PFLAGS CPU COMMAND
*219633 77998 0 0x2 0 0 syz-executor
VOP_LOCK(fffffd8069c45640,1) at VOP_LOCK+0x7c sys/kern/vfs_vops.c:524
vn_lock(fffffd8069c45640,1) at vn_lock+0xa4 sys/kern/vfs_vnops.c:570
vget(fffffd8069c45640,1) at vget+0x2a2 sys/kern/vfs_subr.c:686
ufs_ihashget(400,13403) at ufs_ihashget+0x185 sys/ufs/ufs/ufs_ihash.c:98
ffs_vget(ffff800000b58800,13403,ffff80002a88aae0) at ffs_vget+0x8c sys/ufs/ffs/ffs_vfsops.c:1203
ufs_lookup() at ufs_lookup+0x16ad sys/ufs/ufs/ufs_lookup.c:573
VOP_LOOKUP(fffffd806cf851e8,ffff80002a88af30,ffff80002a88af60) at VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85
vfs_lookup(ffff80002a88af00) at vfs_lookup+0x921 sys/kern/vfs_lookup.c:566
namei(ffff80002a88af00) at namei+0x7ca sys/kern/vfs_lookup.c:250
vn_open(ffff80002a88af00,30001,0) at vn_open+0x15a sys/kern/vfs_vnops.c:140
doopenat(ffff80002a776008,ffffff9c,713439a751b0,30000,0,ffff80002a88b0a0) at doopenat+0x34d sys/kern/vfs_syscalls.c:1138
syscall(ffff80002a88b150) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80002a88b150) at syscall+0x962 sys/arch/amd64/amd64/trap.c:765
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x713439a74cb0, 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: uvm_fault(0xfffffd807007f458, 0x0, 0, 1) -> e
ddb> trace
VOP_LOCK(fffffd8069c45640,1) at VOP_LOCK+0x7c sys/kern/vfs_vops.c:524
vn_lock(fffffd8069c45640,1) at vn_lock+0xa4 sys/kern/vfs_vnops.c:570
vget(fffffd8069c45640,1) at vget+0x2a2 sys/kern/vfs_subr.c:686
ufs_ihashget(400,13403) at ufs_ihashget+0x185 sys/ufs/ufs/ufs_ihash.c:98
ffs_vget(ffff800000b58800,13403,ffff80002a88aae0) at ffs_vget+0x8c sys/ufs/ffs/ffs_vfsops.c:1203
ufs_lookup() at ufs_lookup+0x16ad sys/ufs/ufs/ufs_lookup.c:573
VOP_LOOKUP(fffffd806cf851e8,ffff80002a88af30,ffff80002a88af60) at VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85
vfs_lookup(ffff80002a88af00) at vfs_lookup+0x921 sys/kern/vfs_lookup.c:566
namei(ffff80002a88af00) at namei+0x7ca sys/kern/vfs_lookup.c:250
vn_open(ffff80002a88af00,30001,0) at vn_open+0x15a sys/kern/vfs_vnops.c:140
doopenat(ffff80002a776008,ffffff9c,713439a751b0,30000,0,ffff80002a88b0a0) at doopenat+0x34d sys/kern/vfs_syscalls.c:1138
syscall(ffff80002a88b150) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80002a88b150) at syscall+0x962 sys/arch/amd64/amd64/trap.c:765
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x713439a74cb0, count: -13
ddb> show registers
rdi 0
rsi 0
rbp 0xffff80002a88a890
rbx 0x1
rdx 0
rcx 0
rax 0
r8 0x30
r9 0xfffffd8007bfd750
r10 0x88047d2e981b567c
r11 0x16ec39078f43d35c
r12 0
r13 0
r14 0xfffffd8069c45640
r15 0
rip 0xffffffff828e1d8c VOP_LOCK+0x7c
cs 0x8
rflags 0x10202 __ALIGN_SIZE+0xf202
rsp 0xffff80002a88a850
ss 0x10
VOP_LOCK+0x7c: movq 0(%rax),%r14
ddb> show proc
PROC (syz-executor) tid=219633 pid=77998 tcnt=1 stat=onproc
flags process=2<EXEC> proc=0
runpri=50, usrpri=50, slppri=32, nice=20
wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0
forw=0xffffffffffffffff, list=0xffff80002a777230,0xffff80002a776d10
process=0xffff80002a7ded10 user=0xffff80002a886000, vmspace=0xfffffd807007f458
estcpu=36, cpticks=15, pctcpu=0.0, user=0, sys=15, intr=0
ddb> ps
PID TID PPID UID S FLAGS WAIT COMMAND
30711 272332 58385 0 2 0 syz-executor
30711 436972 58385 0 3 0x4000080 fsleep syz-executor
28948 449677 47235 0 3 0x80 nanoslp syz-executor
28948 58319 47235 0 3 0x4000080 kqread syz-executor
83079 193763 15383 0 2 0 syz-executor
83079 72408 15383 0 3 0x4000080 fsleep syz-executor
18693 279933 18718 0 3 0x1000080 nanoslp syz-executor
18693 99798 18718 0 3 0x5000080 fifor syz-executor
18693 376147 18718 0 3 0x5000080 fsleep syz-executor
18693 20107 18718 0 3 0x5000080 fsleep syz-executor
29660 21025 45098 0 3 0x80 nanoslp syz-executor
29660 116785 45098 0 3 0x4000080 msgwait syz-executor
29660 203340 45098 0 3 0x4000080 fsleep syz-executor
12491 221719 78673 0 3 0x80 nanoslp syz-executor
12491 496700 78673 0 3 0x4000080 ttyout syz-executor
12491 21655 78673 0 3 0x4000080 fsleep syz-executor
37162 400068 91178 0 3 0x90 nanoslp syz-executor
37162 334803 91178 0 3 0x4000090 netcon syz-executor
37162 392508 91178 0 3 0x4000090 fsleep syz-executor
84898 151349 1 0 3 0x100083 ttyin getty
41447 497345 0 0 3 0x14280 nfsidl nfsio
87987 494403 0 0 3 0x14280 nfsidl nfsio
81620 61814 0 0 3 0x14280 nfsidl nfsio
79646 174115 0 0 3 0x14280 nfsidl nfsio
24922 303613 0 0 3 0x14280 nfsidl nfsio
30395 498695 0 0 3 0x14280 nfsidl nfsio
64119 397305 0 0 3 0x14280 nfsidl nfsio
28798 327288 0 0 3 0x14280 nfsidl nfsio
54919 249147 0 0 3 0x14280 nfsidl nfsio
3941 304744 0 0 3 0x14280 nfsidl nfsio
49214 496535 0 0 3 0x14280 nfsidl nfsio
43827 14852 0 0 3 0x14280 nfsidl nfsio
87692 206551 0 0 3 0x14280 nfsidl nfsio
73437 112498 0 0 3 0x14280 nfsidl nfsio
87037 24329 0 0 3 0x14280 nfsidl nfsio
51948 11870 0 0 3 0x14280 nfsidl nfsio
26151 441527 0 0 3 0x14280 nfsidl nfsio
24715 295943 0 0 3 0x14280 nfsidl nfsio
16159 276024 0 0 3 0x14280 nfsidl nfsio
68095 486736 0 0 3 0x14280 nfsidl nfsio
58385 270399 70062 0 3 0x82 nanoslp syz-executor
45098 450284 70062 0 3 0x82 nanoslp syz-executor
78673 71491 70062 0 3 0x82 nanoslp syz-executor
47235 295668 70062 0 3 0x82 nanoslp syz-executor
*77998 219633 70062 0 7 0x2 syz-executor
18718 365012 70062 0 3 0x82 nanoslp syz-executor
91178 237893 70062 0 3 0x82 nanoslp syz-executor
15383 474202 70062 0 3 0x82 nanoslp syz-executor
70062 313107 15430 0 3 0x82 kqread syz-executor
15430 98923 36261 0 3 0x10008a sigsusp ksh
36261 413405 18002 0 3 0x98 kqread sshd-session
18002 456210 50385 0 3 0x92 kqread sshd-session
50385 65671 1 0 3 0x88 kqread sshd
73059 202128 6918 73 3 0x1100090 kqread syslogd
6918 188881 1 0 3 0x100082 sbwait syslogd
73201 379841 1 0 3 0x100080 kqread resolvd
31559 235671 73755 77 3 0x100092 kqread dhcpleased
78498 38518 73755 77 3 0x100092 kqread dhcpleased
73755 495490 1 0 3 0x80 kqread dhcpleased
77415 354475 0 0 3 0x14200 bored smr
76023 393340 0 0 2 0x14200 zerothread
11810 410254 0 0 3 0x14200 aiodoned aiodoned
35350 448637 0 0 3 0x14200 syncer update
1784 335914 0 0 3 0x14200 cleaner cleaner
25261 4637 0 0 3 0x14200 reaper reaper
28251 17058 0 0 3 0x14200 pgdaemon pagedaemon
23590 100484 0 0 3 0x14200 bored viomb
66052 388542 0 0 3 0x40014200 acpi0 acpi0
73247 185557 0 0 3 0x14200 bored softnet0
18341 127670 0 0 3 0x14200 bored systqmp
81125 230799 0 0 3 0x14200 bored systq
57900 24250 0 0 3 0x40014200 tmoslp softclock
24382 296295 0 0 3 0x40014200 idle0
1 16784 0 0 3 0x82 wait init
0 0 -1 0 3 0x10010200 scheduler swapper
ddb> show all locks
No such command
ddb> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 10216 11177K 11500K 166960K 13847 0
pcb 17 16K 18K 166960K 527 0
rtable 218 10K 10K 166960K 635 0
pf 32 13K 16K 166960K 185 0
ifaddr 42 7K 8K 166960K 107 0
ifgroup 54 2K 2K 166960K 163 0
sysctl 4 1K 9K 166960K 20 0
counters 33 17K 18K 166960K 99 0
ioctlops 0 0K 4K 166960K 450 0
iov 0 0K 26K 166960K 187 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1436 90K 91K 166960K 2789 0
UFS quota 1 32K 32K 166960K 1 0
UFS mount 5 36K 36K 166960K 5 0
shm 2 1K 5K 166960K 21 0
VM map 2 1K 1K 166960K 2 0
sem 29 6K 6K 166960K 99 0
dirhash 9 1K 2K 166960K 27 0
ACPI 1692 195K 286K 166960K 12470 0
file desc 17 61K 236K 166960K 1521 0
sigio 0 0K 0K 166960K 66 0
proc 60 59K 75K 166960K 632 0
subproc 72 4K 4K 166960K 82 0
NFS srvsock 1 0K 0K 166960K 1 0
NFS daemon 1 16K 16K 166960K 1 0
ip_moptions 4 0K 0K 166960K 163 0
in_multi 78 5K 7K 166960K 175 0
ether_multi 1 0K 0K 166960K 20 0
mrt 1 0K 0K 166960K 7 0
ISOFS mount 1 32K 32K 166960K 1 0
MSDOSFS mount 1 16K 16K 166960K 1 0
ttys 259 1155K 1155K 166960K 259 0
exec 0 0K 1K 166960K 633 0
fusefs mount 1 32K 32K 166960K 1 0
pfkey data 0 0K 0K 166960K 5 0
tdb 3 0K 0K 166960K 3 0
VM swap 8 62K 64K 166960K 10 0
UVM amap 235 151K 171K 166960K 15308 0
UVM aobj 99 15K 15K 166960K 101 0
pinsyscall 38 76K 84K 166960K 2620 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
ip6_options 0 0K 0K 166960K 85 0
NDP 12 0K 2K 166960K 67 0
temp 76 8672K 8742K 166960K 38205 0
kqueue 14 22K 37K 166960K 314 0
SYN cache 2 8K 16K 166960K 3 0
ddb> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
rtpcb 120 247 0 243 3 2 1 3 0 8 0
rtentry 136 162 0 80 4 0 4 4 0 8 0
unpcb 144 1305 0 1285 9 7 2 6 0 8 1
syncache 336 9 0 9 4 3 1 1 0 8 1
tcpqe 32 5 0 5 3 3 0 1 0 8 0
tcpcb 736 583 0 569 9 5 4 7 0 8 2
arp 96 25 0 11 1 0 1 1 0 8 0
ipq 40 7 0 1 1 0 1 1 0 8 0
ipqe 40 12 0 6 1 0 1 1 0 8 0
inpcb 328 1951 0 1931 14 7 7 7 0 8 5
ip6q 72 7 0 5 1 0 1 1 0 8 0
ip6af 40 13 0 11 1 0 1 1 0 8 0
nd6 112 34 0 15 1 0 1 1 0 8 0
pkpcb 40 11 0 11 3 2 1 1 0 8 1
kcovpl 48 9 0 1 1 0 1 1 0 8 0
mppekey 1024 2 0 2 2 2 0 1 0 8 0
ppxss 1072 53 0 53 2 1 1 1 0 8 1
pppxif 1384 8 0 8 2 2 0 1 0 8 0
pfrktable 1344 2 0 2 1 1 0 1 0 8 0
rttmr 136 1 0 1 1 1 0 1 0 8 0
art_heap8 4096 3 0 0 3 0 3 3 0 8 0
art_heap4 256 701 0 340 33 7 26 30 0 8 1
art_table 40 704 0 340 5 0 5 5 0 8 0
art_node 32 160 0 90 1 0 1 1 0 8 0
sysvmsgpl 40 36 0 7 1 0 1 1 0 8 0
semupl 112 2 0 2 2 2 0 1 0 8 0
semapl 112 94 0 67 1 0 1 1 0 8 0
shmpl 112 91 0 1 3 0 3 3 0 8 0
dirhash 1024 27 0 20 3 0 3 3 0 8 1
dino2pl 256 4322 0 2826 95 0 95 95 0 8 0
ffsino 256 4322 0 2826 95 0 95 95 0 8 0
nchpl 144 6515 0 4819 64 0 64 64 0 8 0
rtmask 32 9 0 9 3 2 1 1 0 8 1
vnodes 216 5130 0 0 285 0 285 285 0 8 0
vnodes: pool(0xffffffff8387d720:vnodes): page inconsistency: page 0x0; at page head addr 0xfffffd8069c45f90 (p 0xfffffd8069c45000)
namei 1024 23666 0 23665 3 2 1 2 0 8 0
vcpupl 3904 7 0 1 1 0 1 1 0 8 0
vmpool 800 7 0 1 1 0 1 1 0 8 0
kstatmem 264 98 0 74 2 0 2 2 0 8 0
scsiplug 72 9 0 9 3 2 1 1 0 8 1
scxspl 216 19655 0 19655 10 9 1 8 1 8 1
plimitpl 152 419 0 402 1 0 1 1 0 8 0
sigapl 424 1818 0 1756 9 1 8 8 0 8 0
knotepl 120 337424 0 337376 60 50 10 24 0 8 8
kqueuepl 184 483 0 473 2 0 2 2 0 8 1
pipepl 304 258 0 231 3 0 3 3 0 8 0
fdescpl 448 1783 0 1754 4 0 4 4 0 8 0
filepl 120 12438 0 12211 16 2 14 14 0 8 5
lockfpl 104 651 0 648 2 0 2 2 0 8 1
lockfspl 48 230 0 227 1 0 1 1 0 8 0
sessionpl 144 26 0 18 1 0 1 1 0 8 0
pgrppl 48 58 0 42 1 0 1 1 0 8 0
ucredpl 104 2377 0 2365 1 0 1 1 0 8 0
zombiepl 144 1774 0 1774 3 2 1 1 0 8 1
processpl 1152 1818 0 1756 5 0 5 5 0 8 0
procpl 664 3850 0 3776 9 2 7 7 0 8 0
sosppl 176 10 0 10 2 1 1 1 0 8 1
sockpl 552 3564 0 3520 18 10 8 12 0 8 4
mcl64k 65536 164 0 164 2 1 1 1 0 8 1
mcl16k 16384 1 0 1 1 0 1 1 0 8 1
mcl8k 8192 15 0 15 3 2 1 1 0 8 1
mcl4k 4096 4309 0 4255 15 7 8 14 0 8 0
mcl2k2 2112 2 0 2 1 1 0 1 0 8 0
mcl2k 2048 2198 0 2185 9 6 3 7 0 8 1
mtagpl 96 90 0 27 2 0 2 2 0 8 0
mbufpl 256 24304 0 24057 255 232 23 190 0 8 3
bufpl 280 6833 0 612 445 0 445 445 0 8 0
anonpl 24 291036 0 283035 129 57 72 72 0 187 2
amapchunkpl 152 52751 0 52207 59 26 33 40 0 158 9
amappl16 200 5652 0 5400 57 31 26 26 0 8 0
amappl15 192 4 0 4 1 1 0 1 0 8 0
amappl14 184 8 0 8 2 2 0 1 0 8 0
amappl13 176 450 0 447 1 0 1 1 0 8 0
amappl12 168 2137 0 2099 2 0 2 2 0 8 0
amappl11 160 8 0 8 1 1 0 1 0 8 0
amappl10 152 46 0 36 1 0 1 1 0 8 0
amappl9 144 258 0 256 1 0 1 1 0 8 0
amappl8 136 25 0 23 1 0 1 1 0 8 0
amappl7 128 124 0 123 1 0 1 1 0 8 0
amappl6 120 279 0 267 1 0 1 1 0 8 0
amappl5 112 70 0 62 1 0 1 1 0 8 0
amappl4 104 393 0 369 1 0 1 1 0 8 0
amappl3 96 8961 0 8876 3 0 3 3 0 8 0
amappl2 88 1915 0 1842 2 0 2 2 0 8 0
amappl1 80 15055 0 14520 13 0 13 13 0 8 0
amappl 88 14355 0 14187 5 0 5 5 0 92 0
uvmvnodes 80 149 0 0 4 0 4 4 0 8 0
dma16384 16384 1 0 1 1 1 0 1 0 8 0
dma4096 4096 1 0 1 1 1 0 1 0 8 0
dma2048 2048 1 0 1 1 0 1 1 0 8 1
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 128 254 0 254 2 1 1 1 0 8 1
dma64 64 9 0 9 3 2 1 1 0 8 1
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 72 100 0 2 2 0 2 2 0 8 0
uaddrrnd 24 1783 0 1754 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 1783 0 1754 1 0 1 1 0 8 0
vmmpekpl 168 14677 0 14638 2 0 2 2 0 8 0
vmmpepl 168 116340 0 114320 115 14 101 101 0 357 2
vmsppl 368 1782 0 1754 3 0 3 3 0 8 0
rwobjpl 40 31135 0 29825 17 1 16 16 0 8 0
pdppl 4096 3587 0 3516 110 37 73 73 0 8 2
pvpl 32 814242 0 800005 231 76 155 155 0 265 13
pmappl 216 1789 0 1755 2 0 2 2 0 8 0
extentpl 40 45 0 27 1 0 1 1 0 8 0
phpool 112 654 0 307 16 3 13 15 0 8 0
ddb> machine ddbcpu 0
No such command
ddb> trace
VOP_LOCK(fffffd8069c45640,1) at VOP_LOCK+0x7c sys/kern/vfs_vops.c:524
vn_lock(fffffd8069c45640,1) at vn_lock+0xa4 sys/kern/vfs_vnops.c:570
vget(fffffd8069c45640,1) at vget+0x2a2 sys/kern/vfs_subr.c:686
ufs_ihashget(400,13403) at ufs_ihashget+0x185 sys/ufs/ufs/ufs_ihash.c:98
ffs_vget(ffff800000b58800,13403,ffff80002a88aae0) at ffs_vget+0x8c sys/ufs/ffs/ffs_vfsops.c:1203
ufs_lookup() at ufs_lookup+0x16ad sys/ufs/ufs/ufs_lookup.c:573
VOP_LOOKUP(fffffd806cf851e8,ffff80002a88af30,ffff80002a88af60) at VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85
vfs_lookup(ffff80002a88af00) at vfs_lookup+0x921 sys/kern/vfs_lookup.c:566
namei(ffff80002a88af00) at namei+0x7ca sys/kern/vfs_lookup.c:250
vn_open(ffff80002a88af00,30001,0) at vn_open+0x15a sys/kern/vfs_vnops.c:140
doopenat(ffff80002a776008,ffffff9c,713439a751b0,30000,0,ffff80002a88b0a0) at doopenat+0x34d sys/kern/vfs_syscalls.c:1138
syscall(ffff80002a88b150) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80002a88b150) at syscall+0x962 sys/arch/amd64/amd64/trap.c:765
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x713439a74cb0, count: -13
ddb> machine ddbcpu 1
No such command
ddb> trace
VOP_LOCK(fffffd8069c45640,1) at VOP_LOCK+0x7c sys/kern/vfs_vops.c:524
vn_lock(fffffd8069c45640,1) at vn_lock+0xa4 sys/kern/vfs_vnops.c:570
vget(fffffd8069c45640,1) at vget+0x2a2 sys/kern/vfs_subr.c:686
ufs_ihashget(400,13403) at ufs_ihashget+0x185 sys/ufs/ufs/ufs_ihash.c:98
ffs_vget(ffff800000b58800,13403,ffff80002a88aae0) at ffs_vget+0x8c sys/ufs/ffs/ffs_vfsops.c:1203
ufs_lookup() at ufs_lookup+0x16ad sys/ufs/ufs/ufs_lookup.c:573
VOP_LOOKUP(fffffd806cf851e8,ffff80002a88af30,ffff80002a88af60) at VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85
vfs_lookup(ffff80002a88af00) at vfs_lookup+0x921 sys/kern/vfs_lookup.c:566
namei(ffff80002a88af00) at namei+0x7ca sys/kern/vfs_lookup.c:250
vn_open(ffff80002a88af00,30001,0) at vn_open+0x15a sys/kern/vfs_vnops.c:140
doopenat(ffff80002a776008,ffffff9c,713439a751b0,30000,0,ffff80002a88b0a0) at doopenat+0x34d sys/kern/vfs_syscalls.c:1138
syscall(ffff80002a88b150) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80002a88b150) at syscall+0x962 sys/arch/amd64/amd64/trap.c:765
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x713439a74cb0, count: -13
---
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