uvm_fault(0xfffffd805cac8170, 0x10, 0, 1) -> e
kernel: page fault trap, code=0
Stopped at VOP_ISLOCKED+0x29: movq 0x10(%rax),%r14
TID PID UID PRFLAGS PFLAGS CPU COMMAND
*315937 30174 0 0 0x4000000 0K syz-executor.7
VOP_ISLOCKED(fffffd8071845028) at VOP_ISLOCKED+0x29 sys/kern/vfs_vops.c:67
getnewvnode(0,0,ffffffff827abef8,ffff800024678080) at getnewvnode+0x1c8 sys/kern/vfs_subr.c:420
cdevvp(31700,ffff8000246780f0) at cdevvp+0x54 getdevvp sys/kern/vfs_subr.c:527 [inline]
cdevvp(31700,ffff8000246780f0) at cdevvp+0x54 sys/kern/vfs_subr.c:508
spec_open_clone(ffff8000246781c8) at spec_open_clone+0x193 sys/kern/spec_vnops.c:745
spec_open(ffff8000246781c8) at spec_open+0x3f5 sys/kern/spec_vnops.c:155
VOP_OPEN(fffffd806eeabc78,2,fffffd807f7d85a0,ffff8000ffff5a40) at VOP_OPEN+0x75 sys/kern/vfs_vops.c:138
vn_open(ffff800024678418,2,0) at vn_open+0x467 sys/kern/vfs_vnops.c:183
doopenat(ffff8000ffff5a40,ffffff9c,20000100,1,0,ffff800024678600) at doopenat+0x26a sys/kern/vfs_syscalls.c:1129
syscall(ffff800024678670) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff800024678670) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xe73d329b990, count: 5
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{0}>
ddb{0}> set $lines = 0
ddb{0}> set $maxwidth = 0
ddb{0}> show panic
*cpu0: uvm_fault(0xfffffd805cac8170, 0x10, 0, 1) -> e
ddb{0}> trace
VOP_ISLOCKED(fffffd8071845028) at VOP_ISLOCKED+0x29 sys/kern/vfs_vops.c:67
getnewvnode(0,0,ffffffff827abef8,ffff800024678080) at getnewvnode+0x1c8 sys/kern/vfs_subr.c:420
cdevvp(31700,ffff8000246780f0) at cdevvp+0x54 getdevvp sys/kern/vfs_subr.c:527 [inline]
cdevvp(31700,ffff8000246780f0) at cdevvp+0x54 sys/kern/vfs_subr.c:508
spec_open_clone(ffff8000246781c8) at spec_open_clone+0x193 sys/kern/spec_vnops.c:745
spec_open(ffff8000246781c8) at spec_open+0x3f5 sys/kern/spec_vnops.c:155
VOP_OPEN(fffffd806eeabc78,2,fffffd807f7d85a0,ffff8000ffff5a40) at VOP_OPEN+0x75 sys/kern/vfs_vops.c:138
vn_open(ffff800024678418,2,0) at vn_open+0x467 sys/kern/vfs_vnops.c:183
doopenat(ffff8000ffff5a40,ffffff9c,20000100,1,0,ffff800024678600) at doopenat+0x26a sys/kern/vfs_syscalls.c:1129
syscall(ffff800024678670) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff800024678670) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xe73d329b990, count: -10
ddb{0}> show registers
rdi 0xfffffd8071845028
rsi 0x252d __ALIGN_SIZE+0x152d
rbp 0xffff800024677ff0
rbx 0x252d __ALIGN_SIZE+0x152d
rdx 0
rcx 0xffff800024678080
rax 0
r8 0x80
r9 0xfffffd807f7d85a0
r10 0x183eb560cb34496
r11 0x2b0a984eacf984ce
r12 0xffffffff82b30b10 vnode_free_list
r13 0xfffffd8071845028
r14 0xfffffd8071845028
r15 0
rip 0xffffffff817a0629 VOP_ISLOCKED+0x29
cs 0x8
rflags 0x10246 __ALIGN_SIZE+0xf246
rsp 0xffff800024677fc0
ss 0x10
VOP_ISLOCKED+0x29: movq 0x10(%rax),%r14
ddb{0}> show proc
PROC (syz-executor.7) pid=315937 stat=onproc
flags process=0 proc=4000000<THREAD>
pri=32, usrpri=82, nice=20
forw=0xffffffffffffffff, list=0xffff8000ffff42a0,0xffff8000ffff5510
process=0xffff8000ffffba38 user=0xffff800024673000, vmspace=0xfffffd805cac8170
estcpu=36, cpticks=1, pctcpu=0.0
user=0, sys=1, intr=0
ddb{0}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
69691 455215 25742 0 2 0x81000 syz-executor.6
69691 447110 25742 0 2 0x4081000 syz-executor.6
69691 277159 25742 0 2 0x4081000 syz-executor.6
69691 462507 25742 0 2 0x4081000 syz-executor.6
69691 510867 25742 0 3 0x4003000 suspend syz-executor.6
2785 138624 12292 0 2 0 syz-executor.1
2785 391260 12292 0 3 0x4000080 fsleep syz-executor.1
55186 294530 74042 0 2 0 syz-executor.2
55186 132833 74042 0 3 0x4000080 fsleep syz-executor.2
37683 229000 54167 0 2 0 syz-executor.3
37683 185151 54167 0 3 0x4000080 fsleep syz-executor.3
30174 50273 90097 0 2 0 syz-executor.7
*30174 315937 90097 0 7 0x4000000 syz-executor.7
21886 500580 82890 0 3 0x2 biowait syz-executor.0
84118 499451 82890 0 3 0x82 nanoslp syz-executor.4
12292 29595 82890 0 3 0x82 nanoslp syz-executor.1
25742 76764 82890 0 3 0x82 nanoslp syz-executor.6
48137 422371 82890 0 2 0x2 syz-executor.5
74042 288925 82890 0 3 0x82 nanoslp syz-executor.2
90097 159825 82890 0 3 0x82 nanoslp syz-executor.7
39558 450180 0 0 3 0x14200 acct acct
54167 128643 82890 0 3 0x82 nanoslp syz-executor.3
24291 119110 1 0 3 0x100083 ttyin getty
42636 395434 0 0 3 0x14200 bored sosplice
82890 390553 41307 0 3 0x82 thrsleep syz-fuzzer
82890 371422 41307 0 3 0x4000082 nanoslp syz-fuzzer
82890 473338 41307 0 3 0x4000082 thrsleep syz-fuzzer
82890 339164 41307 0 3 0x4000082 kqread syz-fuzzer
82890 342866 41307 0 3 0x4000082 thrsleep syz-fuzzer
82890 156140 41307 0 3 0x4000082 nanoslp syz-fuzzer
82890 133477 41307 0 3 0x4000082 thrsleep syz-fuzzer
82890 426906 41307 0 3 0x4000082 thrsleep syz-fuzzer
82890 25887 41307 0 3 0x4000082 thrsleep syz-fuzzer
41307 262064 13733 0 3 0x10008a sigsusp ksh
13733 331265 55748 0 3 0x9a kqread sshd
55748 429983 1 0 3 0x88 kqread sshd
75628 414805 20654 74 3 0x1100092 bpf pflogd
20654 469916 1 0 3 0x80 netio pflogd
48360 186789 59751 73 3 0x1100090 kqread syslogd
59751 406566 1 0 3 0x100082 netio syslogd
61742 168419 1 0 3 0x100080 kqread resolvd
32539 140426 94698 77 3 0x100092 kqread dhcpleased
17674 130768 94698 77 3 0x100092 kqread dhcpleased
94698 367234 1 0 3 0x80 kqread dhcpleased
4314 149307 0 0 3 0x14200 bored smr
67649 24092 0 0 2 0x14200 zerothread
96721 90091 0 0 3 0x14200 aiodoned aiodoned
86205 412765 0 0 3 0x14200 syncer update
82971 481515 0 0 3 0x14200 cleaner cleaner
56403 382811 0 0 3 0x14200 reaper reaper
67754 426396 0 0 3 0x14200 pgdaemon pagedaemon
85792 65520 0 0 3 0x14200 bored viomb
43088 172233 0 0 3 0x40014200 acpi0 acpi0
7548 248639 0 0 7 0x40014200 idle1
2596 199109 0 0 3 0x14200 bored softnet
51954 400039 0 0 3 0x14200 bored systqmp
80994 30832 0 0 3 0x14200 bored systq
91342 485070 0 0 3 0x40014200 bored softclock
7774 266655 0 0 3 0x40014200 idle0
1 441316 0 0 3 0x80082 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{0}> show all locks
Process 30174 (syz-executor.7) thread 0xffff8000ffff5a40 (315937)
exclusive rrwlock inode r = 0 (0xfffffd806f0b43d0)
#0 witness_lock+0x44d
#1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310
#2 rrw_enter+0x8b sys/kern/kern_rwlock.c:461
#3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:534
#4 vn_lock+0x84 sys/kern/vfs_vnops.c:579
#5 vget+0x1d3 sys/kern/vfs_subr.c:677
#6 cache_lookup+0x2b4 sys/kern/vfs_cache.c:224
#7 ufs_lookup+0x1ac sys/ufs/ufs/ufs_lookup.c:162
#8 VOP_LOOKUP+0x58 sys/kern/vfs_vops.c:85
#9 vfs_lookup+0x6e5 sys/kern/vfs_lookup.c:561
#10 namei+0x36a sys/kern/vfs_lookup.c:245
#11 vn_open+0x105 sys/kern/vfs_vnops.c:146
#12 doopenat+0x26a sys/kern/vfs_syscalls.c:1129
#13 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#13 syscall+0x489 sys/arch/amd64/amd64/trap.c:585
#14 Xsyscall+0x128
exclusive kernel_lock &kernel_lock r = 1 (0xffffffff82b20888)
#0 witness_lock+0x44d
#1 syscall+0x3ef mi_syscall sys/sys/syscall_mi.h:93 [inline]
#1 syscall+0x3ef sys/arch/amd64/amd64/trap.c:585
#2 Xsyscall+0x128
Process 21886 (syz-executor.0) thread 0xffff8000260937a8 (500580)
exclusive rrwlock inode r = 0 (0xfffffd807cbdeb48)
#0 witness_lock+0x44d
#1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310
#2 rrw_enter+0x8b sys/kern/kern_rwlock.c:461
#3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:534
#4 ufs_ihashins+0x42 sys/ufs/ufs/ufs_ihash.c:140
#5 ffs_vget+0x141 sys/ufs/ffs/ffs_vfsops.c:1347
#6 ffs_inode_alloc+0x1be sys/ufs/ffs/ffs_alloc.c:394
#7 ufs_mkdir+0xf4 sys/ufs/ufs/ufs_vnops.c:1162
#8 VOP_MKDIR+0xbf sys/kern/vfs_vops.c:404
#9 domkdirat+0x121 sys/kern/vfs_syscalls.c:3101
#10 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#10 syscall+0x489 sys/arch/amd64/amd64/trap.c:585
#11 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffffd8068b413d8)
#0 witness_lock+0x44d
#1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310
#2 rrw_enter+0x8b sys/kern/kern_rwlock.c:461
#3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:534
#4 vn_lock+0x84 sys/kern/vfs_vnops.c:579
#5 vfs_lookup+0xd1 sys/kern/vfs_lookup.c:413
#6 namei+0x36a sys/kern/vfs_lookup.c:245
#7 domkdirat+0x75 sys/kern/vfs_syscalls.c:3086
#8 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#8 syscall+0x489 sys/arch/amd64/amd64/trap.c:585
#9 Xsyscall+0x128
ddb{0}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 10234 6608K 14823K 78643K 331247 0
pcb 13 24K 27K 78643K 10713 0
rtable 185 14K 16K 78643K 11457 0
ifaddr 93 29K 37K 78643K 4176 0
sysctl 3 1K 5K 78643K 12 0
counters 58 35K 36K 78643K 1546 0
ioctlops 0 0K 4K 78643K 19470 0
iov 0 0K 32K 78643K 7428 0
mount 1 1K 1K 78643K 1 0
log 0 0K 0K 78643K 5 0
vnodes 1758 110K 110K 78643K 80913 0
UFS quota 1 32K 32K 78643K 1 0
UFS mount 5 36K 36K 78643K 5 0
shm 2 560K 572K 78643K 705 0
VM map 2 1K 1K 78643K 2 0
sem 23 11K 21K 78643K 1693 0
dirhash 12 2K 2K 78643K 12 0
ACPI 1697 195K 286K 78643K 12548 0
file desc 15 53K 89K 78643K 68250 0
sigio 0 0K 0K 78643K 928 0
proc 72 87K 111K 78643K 7426 0
subproc 104 6K 6K 78643K 1982 0
NFS srvsock 1 0K 0K 78643K 1 0
NFS daemon 1 16K 16K 78643K 1 0
ip_moptions 0 0K 0K 78643K 4261 0
in_multi 72 5K 7K 78643K 4608 0
ether_multi 1 0K 0K 78643K 730 0
mrt 1 0K 0K 78643K 432 0
ISOFS mount 1 32K 32K 78643K 1 0
MSDOSFS mount 1 16K 16K 78643K 1 0
ttys 265 1182K 1182K 78643K 265 0
exec 0 0K 2K 78643K 13323 0
pfkey data 0 0K 0K 78643K 26 0
tdb 3 0K 0K 78643K 3 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 801 1542K 1574K 78643K 838125 0
UVM aobj 185 9K 9K 78643K 210 0
memdesc 1 4K 4K 78643K 1 0
crypto data 1 1K 1K 78643K 1 0
ip6_options 0 0K 0K 78643K 3562 0
NDP 15 0K 2K 78643K 1341 0
temp 143 4709K 8806K 78643K 594367 0
kqueue 12 18K 32K 78643K 3913 0
SYN cache 2 16K 16K 78643K 2 0
ddb{0}> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
plcache 128 22 0 0 1 0 1 1 0 8 0
rtpcb 120 4582 0 4579 67 66 1 5 0 8 0
rtentry 112 3153 0 3076 6 2 4 4 0 8 0
unpcb 136 46426 0 46411 469 468 1 10 0 8 0
syncache 296 219 0 219 61 61 0 1 0 8 0
sackhl 24 1 0 1 1 1 0 1 0 8 0
tcpqe 32 180 0 180 37 37 0 1 0 8 0
tcpcb 736 29937 0 29927 794 793 1 20 0 8 0
arp 120 394 0 380 1 0 1 1 0 8 0
ipq 40 192 0 192 1 1 0 1 0 8 0
ipqe 40 384 0 384 1 1 0 1 0 8 0
inpcb 304 69581 0 69572 788 784 4 16 0 8 3
rttmr 72 144 0 144 40 39 1 1 0 8 1
nd6 48 846 0 829 1 0 1 1 0 8 0
pkpcb 40 439 0 439 42 42 0 1 0 8 0
kcovpl 48 150 0 142 1 0 1 1 0 8 0
ppxss 1248 247 0 247 41 41 0 1 0 8 0
pffrag 232 411 0 410 20 19 1 1 0 482 0
pffrnode 88 411 0 410 20 19 1 1 0 8 0
pffrent 40 2691 0 2690 22 21 1 1 0 8 0
pfosfp 40 1428 0 1005 5 0 5 5 0 8 0
pfosfpen 112 1428 0 714 21 0 21 21 0 8 0
pfrktable 1344 21 0 21 1 1 0 1 0 8 0
pfstitem 24 2360 0 2340 1 0 1 1 0 8 0
pfstkey 112 2360 0 2340 11 9 2 4 0 8 0
pfstate 320 2360 0 2340 47 44 3 11 0 8 0
pfrule 1360 39 0 34 2 1 1 2 0 8 0
art_heap8 4096 12 0 10 8 6 2 3 0 8 0
art_heap4 256 14950 0 14601 85 60 25 34 0 8 0
art_table 32 14962 0 14611 6 2 4 5 0 8 0
art_node 16 3116 0 3048 1 0 1 1 0 8 0
sysvmsgpl 40 26 0 11 1 0 1 1 0 8 0
semupl 112 1 0 1 1 1 0 1 0 8 0
semapl 112 1681 0 1660 1 0 1 1 0 8 0
shmpl 112 207 0 25 7 1 6 6 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 93234 0 91575 104 0 104 104 0 8 0
ffsino 272 93234 0 91575 111 0 111 111 0 8 0
nchpl 144 193660 0 192029 63 0 63 63 0 8 0
uvmvnodes 80 9517 0 0 195 0 195 195 0 8 0
vnodes 224 9517 0 0 560 0 560 560 0 8 0
vnodes: pool(0xffffffff82b306f0:vnodes): page inconsistency: page 0x0; at page head addr 0xfffffd8071845f90 (p 0xfffffd8071845000)
namei 1024 713668 0 713667 16 15 1 2 0 8 0
percpumem 16 785 0 744 1 0 1 1 0 8 0
vcpupl 2048 427 0 3 54 0 54 54 0 8 0
vmpool 560 515 0 91 32 1 31 31 0 8 0
pfiaddrpl 120 6 0 6 1 1 0 1 0 8 0
scsiplug 72 25 0 25 8 8 0 1 0 8 0
scxspl 216 513674 0 513673 44 43 1 8 0 8 0
plimitpl 152 7349 0 7334 1 0 1 1 0 8 0
sigapl 424 68354 0 68309 9 1 8 8 0 8 0
futexpl 64 731713 0 731710 9 8 1 1 0 8 0
knotepl 120 2540 0 0 14 5 9 11 0 8 0
kqueuepl 216 15191 0 15183 282 281 1 10 0 8 0
pipepl 336 13893 0 13865 403 400 3 13 0 8 0
fdescpl 496 68254 0 68226 5 1 4 5 0 8 0
filepl 152 521688 0 521447 676 664 12 24 0 8 0
lockfpl 104 19288 0 19286 32 31 1 4 0 8 0
lockfspl 48 5458 0 5456 1 0 1 1 0 8 0
sessionpl 144 170 0 153 1 0 1 1 0 8 0
pgrppl 48 681 0 664 1 0 1 1 0 8 0
ucredpl 96 63280 0 63246 1 0 1 1 0 8 0
zombiepl 144 68311 0 68309 5 4 1 1 0 8 0
processpl 1064 68354 0 68309 6 1 5 5 0 8 0
procpl 672 173391 0 173330 45 37 8 10 0 8 0
srpgc 96 173 0 173 57 57 0 1 0 8 0
sosppl 168 460 0 460 55 55 0 1 0 8 0
sockpl 480 121202 0 121171 2423 2415 8 46 0 8 3
mcl64k 65536 9 0 0 2 0 2 2 0 8 0
mcl16k 16384 6 0 0 1 0 1 1 0 8 0
mcl12k 12288 8 0 0 1 0 1 1 0 8 0
mcl9k 9216 3 0 0 1 0 1 1 0 8 0
mcl8k 8192 70 0 0 9 0 9 9 0 8 0
mcl4k 4096 16 0 0 2 0 2 2 0 8 0
mcl2k2 2112 6 0 0 1 0 1 1 0 8 0
mcl2k 2048 1623 0 0 67 16 51 53 0 8 0
mtagpl 96 4458 0 0 49 0 49 49 0 8 0
mbufpl 256 12851 0 0 660 1 659 659 0 8 0
bufpl 288 95668 0 86151 680 0 680 680 0 8 0
anonpl 24 19837636 0 19808850 1314 1117 197 259 0 186 0
amapchunkpl 152 2029431 0 2028273 452 404 48 78 0 158 0
amappl16 200 231802 0 230770 799 741 58 80 0 8 0
amappl15 192 12099 0 12093 1 0 1 1 0 8 0
amappl14 184 7255 0 7245 1 0 1 1 0 8 0
amappl13 176 9062 0 9061 1 0 1 1 0 8 0
amappl12 168 8859 0 8849 1 0 1 1 0 8 0
amappl11 160 7504 0 7487 1 0 1 1 0 8 0
amappl10 152 6914 0 6902 1 0 1 1 0 8 0
amappl9 144 10724 0 10719 1 0 1 1 0 8 0
amappl8 136 14726 0 14452 11 1 10 10 0 8 0
amappl7 128 10355 0 10343 1 0 1 1 0 8 0
amappl6 120 10933 0 10895 5 3 2 2 0 8 0
amappl5 112 59951 0 59926 1 0 1 1 0 8 0
amappl4 104 18055 0 18013 2 0 2 2 0 8 0
amappl3 96 15868 0 15852 1 0 1 1 0 8 0
amappl2 88 20562 0 20497 3 1 2 3 0 8 0
amappl1 80 1190360 0 1189793 34 20 14 19 0 8 0
amappl 88 833561 0 833177 11 1 10 10 0 92 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 128 253 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 72 209 0 25 4 0 4 4 0 8 0
uaddrrnd 24 68769 0 68317 3 0 3 3 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 68769 0 68317 3 0 3 3 0 8 0
vmmpekpl 168 417527 0 417422 7 1 6 6 0 8 0
vmmpepl 168 6172870 0 6168963 724 520 204 210 0 357 0
vmsppl 368 68768 0 68317 43 1 42 42 0 8 0
rwobjpl 56 1473143 0 1461068 277 104 173 175 0 8 0
pdppl 4096 137545 0 137058 2002 1509 493 495 0 8 6
pvpl 32 32320885 0 32296280 1905 1674 231 351 0 265 0
pmappl 248 68768 0 68317 29 0 29 29 0 8 0
extentpl 40 58 0 38 1 0 1 1 0 8 0
phpool 112 5049 0 2804 65 0 65 65 0 8 0
ddb{0}> machine ddbcpu 0
Invalid cpu 0
ddb{0}> trace
VOP_ISLOCKED(fffffd8071845028) at VOP_ISLOCKED+0x29 sys/kern/vfs_vops.c:67
getnewvnode(0,0,ffffffff827abef8,ffff800024678080) at getnewvnode+0x1c8 sys/kern/vfs_subr.c:420
cdevvp(31700,ffff8000246780f0) at cdevvp+0x54 getdevvp sys/kern/vfs_subr.c:527 [inline]
cdevvp(31700,ffff8000246780f0) at cdevvp+0x54 sys/kern/vfs_subr.c:508
spec_open_clone(ffff8000246781c8) at spec_open_clone+0x193 sys/kern/spec_vnops.c:745
spec_open(ffff8000246781c8) at spec_open+0x3f5 sys/kern/spec_vnops.c:155
VOP_OPEN(fffffd806eeabc78,2,fffffd807f7d85a0,ffff8000ffff5a40) at VOP_OPEN+0x75 sys/kern/vfs_vops.c:138
vn_open(ffff800024678418,2,0) at vn_open+0x467 sys/kern/vfs_vnops.c:183
doopenat(ffff8000ffff5a40,ffffff9c,20000100,1,0,ffff800024678600) at doopenat+0x26a sys/kern/vfs_syscalls.c:1129
syscall(ffff800024678670) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff800024678670) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xe73d329b990, count: -10
ddb{0}> machine ddbcpu 1
Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp
x86_ipi_db(ffff800020ce8ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:393
x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23
acpicpu_idle() at acpicpu_idle+0x312 sys/dev/acpi/acpicpu.c:1206
sched_idle(ffff800020ce8ff0) at sched_idle+0x417 sys/kern/kern_sched.c:178
end trace frame: 0x0, count: 10
ddb{1}> trace
x86_ipi_db(ffff800020ce8ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:393
x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23
acpicpu_idle() at acpicpu_idle+0x312 sys/dev/acpi/acpicpu.c:1206
sched_idle(ffff800020ce8ff0) at sched_idle+0x417 sys/kern/kern_sched.c:178
end trace frame: 0x0, count: -5