panic: uvm_fault_unwire_locked: address not in map
Stopped at db_enter+0x25: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
*404660 11071 32767 0x10 0x4000000 1 syz-executor
462503 42440 0 0x2 0 0K syz-executor
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
panic(ffffffff8340856d) at panic+0x1e5 sys/kern/subr_prf.c:198
uvm_fault_unwire_locked(fffffd806be47ca8,400000000000,400000001000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1741
uvm_fault_unwire(fffffd806be47ca8,400000000000,400000001000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1704
sysctl_vsunlock(400000000280,0) at sysctl_vsunlock+0x7b sys/kern/kern_sysctl.c:215
sys_sysctl(ffff8000fffee7d8,ffff80002a88a6f0,ffff80002a88a640) at sys_sysctl+0x460 sys/kern/kern_sysctl.c:309
syscall(ffff80002a88a6f0) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002a88a6f0) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7986fad5b50, 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{1}>
ddb{1}> set $lines = 0
ddb{1}> set $maxwidth = 0
ddb{1}> show panic
*cpu1: uvm_fault_unwire_locked: address not in map
ddb{1}> trace
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
panic(ffffffff8340856d) at panic+0x1e5 sys/kern/subr_prf.c:198
uvm_fault_unwire_locked(fffffd806be47ca8,400000000000,400000001000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1741
uvm_fault_unwire(fffffd806be47ca8,400000000000,400000001000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1704
sysctl_vsunlock(400000000280,0) at sysctl_vsunlock+0x7b sys/kern/kern_sysctl.c:215
sys_sysctl(ffff8000fffee7d8,ffff80002a88a6f0,ffff80002a88a640) at sys_sysctl+0x460 sys/kern/kern_sysctl.c:309
syscall(ffff80002a88a6f0) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002a88a6f0) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7986fad5b50, count: -8
ddb{1}> show registers
rdi 0
rsi 0x1
rbp 0xffff80002a88a3b0
rbx 0xffff800029a9cdc7
rdx 0
rcx 0xffff8000fffee7d8
rax 0xffff800029a9bff0
r8 0x101010101010101
r9 0x8080808080808080
r10 0x619436229a2b9fbc
r11 0x98ee350dc7307740
r12 0xffff800029a9cbc8
r13 0
r14 0
r15 0x1
rip 0xffffffff816918b5 db_enter+0x25
cs 0x8
rflags 0x246
rsp 0xffff80002a88a3a0
ss 0x10
db_enter+0x25: addq $0x8,%rsp
ddb{1}> show proc
PROC (syz-executor) tid=404660 pid=11071 tcnt=3 stat=onproc
flags process=10<SUGID> proc=4000000<THREAD>
runpri=36, usrpri=50, slppri=36, nice=20
wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0
forw=0xffffffffffffffff, list=0xffff8000ffffcf70,0xffff8000fffeed08
process=0xffff8000ffff2048 user=0xffff80002a885000, vmspace=0xfffffd806be47ca8
estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0
ddb{1}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
11071 88808 44516 32767 3 0x10 vmmaplk syz-executor
*11071 404660 44516 32767 7 0x4000010 syz-executor
11071 492857 44516 32767 3 0x4000090 fsleep syz-executor
35421 362402 68026 32767 2 0x10 syz-executor
35421 291019 68026 32767 3 0x4000090 fsleep syz-executor
42440 462503 5915 0 7 0x2 syz-executor
66106 66721 78672 32767 3 0x90 nanoslp syz-executor
66106 291085 78672 32767 3 0x4000090 sbwait syz-executor
66106 321601 78672 32767 3 0x4000090 fsleep syz-executor
73356 213604 62380 32767 3 0x90 nanoslp syz-executor
73356 128859 62380 32767 3 0x4000090 lockf syz-executor
73356 250899 62380 32767 3 0x4000090 fsleep syz-executor
73356 468914 62380 32767 3 0x4000090 fsleep syz-executor
92808 160571 7759 32767 3 0x90 nanoslp syz-executor
92808 285752 7759 32767 3 0x4000090 ttyout syz-executor
92808 481649 7759 32767 3 0x4000090 kqread syz-executor
92808 357083 7759 32767 3 0x4000090 fsleep syz-executor
60886 240984 34702 32767 3 0x90 nanoslp syz-executor
60886 378174 34702 32767 3 0x4000090 fsleep syz-executor
60886 322827 34702 32767 3 0x4000090 pipewr syz-executor
10926 502634 0 0 3 0x14200 bored sosplice
44516 351569 15360 32767 3 0x90 nanoslp syz-executor
62380 388771 56631 32767 3 0x90 nanoslp syz-executor
7759 449213 24675 32767 3 0x90 nanoslp syz-executor
34702 512653 29662 32767 3 0x90 nanoslp syz-executor
78672 215197 89177 32767 3 0x90 nanoslp syz-executor
68026 159600 33555 32767 3 0x90 nanoslp syz-executor
87866 42288 92298 32767 3 0x90 nanoslp syz-executor
89177 84685 5915 0 3 0x82 wait syz-executor
24675 158308 5915 0 3 0x82 wait syz-executor
15360 68345 5915 0 3 0x82 wait syz-executor
56631 21171 5915 0 3 0x82 wait syz-executor
33555 93688 5915 0 3 0x82 wait syz-executor
92298 79318 5915 0 3 0x82 wait syz-executor
29662 227077 5915 0 3 0x82 wait syz-executor
5915 259708 56134 0 3 0x82 kqread syz-executor
56134 210817 53707 0 3 0x10008a sigsusp ksh
53707 76203 97685 0 3 0x98 kqread sshd-session
97685 289891 54924 0 3 0x92 kqread sshd-session
91680 386037 1 0 3 0x100083 ttyin getty
54924 265213 1 0 3 0x88 kqread sshd
78852 175382 33208 73 3 0x1100090 kqread syslogd
33208 262061 1 0 3 0x100082 sbwait syslogd
34104 458349 1 0 3 0x100080 kqread resolvd
95610 164080 85214 77 3 0x100092 kqread dhcpleased
35112 24976 85214 77 3 0x100092 kqread dhcpleased
85214 483564 1 0 3 0x80 kqread dhcpleased
34062 232789 0 0 3 0x14200 bored smr
79437 266797 0 0 2 0x14200 zerothread
50296 19799 0 0 3 0x14200 aiodoned aiodoned
68943 251229 0 0 3 0x14200 syncer update
52100 149728 0 0 3 0x14200 cleaner cleaner
70737 264926 0 0 3 0x14200 reaper reaper
37549 113639 0 0 3 0x14200 pgdaemon pagedaemon
91172 457197 0 0 3 0x14200 bored viomb
99046 198087 0 0 3 0x40014200 acpi0 acpi0
58813 407130 0 0 3 0x40014200 idle1
69959 428940 0 0 3 0x14200 bored softnet3
97933 137408 0 0 3 0x14200 bored softnet2
96208 344134 0 0 3 0x14200 bored softnet1
29348 253497 0 0 3 0x14200 bored softnet0
80978 245111 0 0 3 0x14200 bored systqmp
26183 514574 0 0 3 0x14200 bored systq
58038 357573 0 0 3 0x14200 tmoslp softclockmp
80392 77938 0 0 3 0x40014200 tmoslp softclock
63217 481456 0 0 3 0x40014200 idle0
1 382092 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{1}> show all locks
Process 11071 (syz-executor) thread 0xffff8000fffee7d8 (404660)
shared rwlock vmmaplk r = 0 (0xfffffd806be47da8)
#0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5bb sys/kern/subr_witness.c:1155
#1 rw_do_enter_read+0x3af sys/kern/kern_rwlock.c:405
#2 uvm_fault_unwire+0x3e sys/uvm/uvm_fault.c:1703
#3 sysctl_vsunlock+0x7b sys/kern/kern_sysctl.c:215
#4 sys_sysctl+0x460 sys/kern/kern_sysctl.c:309
#5 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#5 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577
#6 Xsyscall+0x128
exclusive kernel_lock &kernel_lock r = 0 (0xffffffff838df1a0)
#0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5bb sys/kern/subr_witness.c:1155
#1 __mp_acquire_count+0x58
#2 mi_switch+0x4b7 sys/kern/sched_bsd.c:441
#3 sleep_finish+0x24f sys/kern/kern_synch.c:414
#4 rw_do_enter_read+0x2de sys/kern/kern_rwlock.c:385
#5 uvm_fault_unwire+0x3e sys/uvm/uvm_fault.c:1703
#6 sysctl_vsunlock+0x7b sys/kern/kern_sysctl.c:215
#7 sys_sysctl+0x460 sys/kern/kern_sysctl.c:309
#8 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#8 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577
#9 Xsyscall+0x128
exclusive rwlock sysctllk r = 0 (0xffffffff837a1058)
#0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5bb sys/kern/subr_witness.c:1155
#1 rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316
#2 sysctl_vslock+0x45 sys/kern/kern_sysctl.c:187
#3 sys_sysctl+0x398 sys/kern/kern_sysctl.c:299
#4 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#4 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577
#5 Xsyscall+0x128
ddb{1}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 10187 10952K 10966K 166960K 11269 0
pcb 17 12K 12K 166960K 17 0
rtable 218 6K 7K 166960K 363 0
pf 29 16K 16K 166960K 31 0
ifaddr 38 6K 7K 166960K 44 0
ifgroup 46 2K 2K 166960K 50 0
sysctl 1 1K 1K 166960K 1 0
counters 62 36K 36K 166960K 64 0
ioctlops 0 0K 2K 166960K 34 0
iov 0 0K 2K 166960K 10 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1332 84K 84K 166960K 1442 0
UFS quota 1 32K 32K 166960K 1 0
UFS mount 5 36K 36K 166960K 5 0
shm 2 1K 5K 166960K 5 0
VM map 2 1K 1K 166960K 2 0
sem 8 0K 0K 166960K 42 0
dirhash 12 2K 2K 166960K 18 0
ACPI 1692 195K 286K 166960K 12470 0
file desc 24 89K 121K 166960K 345 0
sigio 0 0K 0K 166960K 7 0
proc 58 79K 127K 166960K 501 0
subproc 69 4K 4K 166960K 114 0
NFS srvsock 1 0K 0K 166960K 1 0
NFS daemon 1 16K 16K 166960K 1 0
ip_moptions 0 0K 0K 166960K 45 0
in_multi 88 6K 7K 166960K 108 0
ether_multi 1 0K 0K 166960K 2 0
mrt 1 0K 0K 166960K 1 0
ISOFS mount 1 32K 32K 166960K 1 0
MSDOSFS mount 1 16K 16K 166960K 1 0
ttys 85 387K 387K 166960K 85 0
exec 0 0K 1K 166960K 463 0
fusefs mount 1 32K 32K 166960K 1 0
tdb 3 0K 0K 166960K 3 0
VM swap 8 62K 64K 166960K 10 0
UVM amap 248 66K 89K 166960K 4526 0
UVM aobj 9 2K 4K 166960K 10 0
pinsyscall 45 90K 107K 166960K 1377 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
ip6_options 4 0K 0K 166960K 19 0
NDP 10 0K 2K 166960K 27 0
temp 41 8680K 8759K 166960K 4595 0
kqueue 14 22K 37K 166960K 71 0
SYN cache 2 16K 16K 166960K 2 0
ddb{1}> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
plcache 128 24 0 0 1 0 1 1 0 8 0
rtpcb 120 89 0 84 2 0 2 2 0 8 1
rtentry 112 115 0 13 4 0 4 4 0 8 0
unpcb 144 275 0 258 1 0 1 1 0 8 0
syncache 336 5 0 5 1 0 1 1 0 8 1
tcpqe 32 1 0 1 1 0 1 1 0 8 1
tcpcb 808 167 0 161 8 0 8 8 0 8 7
arp 120 19 0 2 1 0 1 1 0 8 0
ipq 40 4 0 1 1 0 1 1 0 8 0
ipqe 40 145 0 140 1 0 1 1 0 8 0
inpcb 376 348 0 333 9 0 9 9 0 8 7
nd6 136 27 0 4 1 0 1 1 0 8 0
kcovpl 48 12 0 5 1 0 1 1 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 468 0 49 30 0 30 30 0 8 2
art_table 32 469 0 49 4 0 4 4 0 8 0
art_node 16 114 0 21 1 0 1 1 0 8 0
sysvmsgpl 40 9 0 3 1 0 1 1 0 8 0
semapl 112 40 0 34 1 0 1 1 0 8 0
shmpl 112 7 0 1 1 0 1 1 0 8 0
dirhash 1024 21 0 4 3 0 3 3 0 8 0
dino2pl 256 1855 0 343 95 0 95 95 0 8 0
ffsino 280 1855 0 343 108 0 108 108 0 8 0
nchpl 144 2293 0 611 63 0 63 63 0 8 0
uvmvnodes 80 1978 0 0 41 0 41 41 0 8 0
vnodes 216 1978 0 0 110 0 110 110 0 8 0
namei 1024 7610 0 7610 2 0 2 2 0 8 2
percpumem 16 46 0 1 1 0 1 1 0 8 0
kstatmem 264 22 0 2 2 0 2 2 0 8 0
scxspl 216 10261 0 10261 10 2 8 8 1 8 8
plimitpl 152 69 0 44 2 0 2 2 0 8 1
sigapl 424 617 0 562 7 0 7 7 0 8 0
futexpl 64 2618 0 2611 1 0 1 1 0 8 0
knotepl 120 555 0 0 17 0 17 17 0 8 0
kqueuepl 216 83 0 71 2 0 2 2 0 8 1
pipepl 328 159 0 131 3 0 3 3 0 8 0
fdescpl 504 598 0 562 7 1 6 6 0 8 0
filepl 152 3128 0 2904 13 0 13 13 0 8 4
lockfpl 104 197 0 193 2 0 2 2 0 8 1
lockfspl 48 26 0 23 1 0 1 1 0 8 0
sessionpl 144 27 0 12 1 0 1 1 0 8 0
pgrppl 48 42 0 19 1 0 1 1 0 8 0
ucredpl 104 411 0 393 1 0 1 1 0 8 0
zombiepl 144 563 0 562 1 0 1 1 0 8 0
processpl 1176 617 0 562 5 0 5 5 0 8 0
procpl 656 952 0 884 7 0 7 7 0 8 1
sosppl 168 2 0 0 1 0 1 1 0 8 0
sockpl 688 715 0 679 13 1 12 13 0 8 8
mcl64k 65536 3 0 0 1 0 1 1 0 8 0
mcl16k 16384 1 0 0 1 0 1 1 0 8 0
mcl8k 8192 3 0 0 1 0 1 1 0 8 0
mcl4k 4096 125 0 0 16 0 16 16 0 8 0
mcl2k 2048 20 0 0 3 0 3 3 0 8 0
mtagpl 96 1 0 0 1 0 1 1 0 8 0
mbufpl 256 299 0 0 19 0 19 19 0 8 0
bufpl 280 3718 0 124 257 0 257 257 0 8 0
anonpl 24 119348 0 116029 38 3 35 35 0 184 5
amapchunkpl 152 15217 0 14630 36 0 36 36 0 158 10
amappl16 200 2147 0 2123 5 2 3 5 0 8 0
amappl15 192 7 0 7 1 1 0 1 0 8 0
amappl14 184 125 0 115 1 0 1 1 0 8 0
amappl13 176 10 0 10 2 2 0 1 0 8 0
amappl12 168 1205 0 1169 2 0 2 2 0 8 0
amappl11 160 48 0 38 1 0 1 1 0 8 0
amappl10 152 24 0 24 2 2 0 1 0 8 0
amappl9 144 247 0 246 1 0 1 1 0 8 0
amappl8 136 22 0 21 1 0 1 1 0 8 0
amappl7 128 101 0 91 1 0 1 1 0 8 0
amappl6 120 191 0 187 1 0 1 1 0 8 0
amappl5 112 120 0 112 1 0 1 1 0 8 0
amappl4 104 302 0 287 1 0 1 1 0 8 0
amappl3 96 2497 0 2360 4 0 4 4 0 8 0
amappl2 88 632 0 577 2 0 2 2 0 8 0
amappl1 80 8544 0 8008 13 0 13 13 0 8 0
amappl 88 4155 0 3955 6 0 6 6 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 9 0 1 1 0 1 1 0 8 0
uaddrrnd 24 598 0 562 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 598 0 562 1 0 1 1 0 8 0
vmmpekpl 168 6669 0 6626 3 0 3 3 0 8 0
vmmpepl 168 43009 0 41031 96 0 96 96 0 357 7
vmsppl 456 597 0 562 7 1 6 6 0 8 0
rwobjpl 64 16763 0 13919 46 0 46 46 0 8 0
pdppl 4096 1203 0 1124 110 25 85 95 0 8 6
pvpl 32 13296 0 0 109 1 108 108 0 265 0
pmappl 248 597 0 562 4 1 3 3 0 8 0
extentpl 40 55 0 38 1 0 1 1 0 8 0
phpool 112 301 0 28 8 0 8 8 0 8 0
ddb{1}> machine ddbcpu 0
Stopped at x86_ipi_db+0x27: addq $0x8,%rsp
x86_ipi_db(ffffffff8387dff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394
x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27
__sanitizer_cov_trace_const_cmp4(0,1) at __sanitizer_cov_trace_const_cmp4+0x2e kd_curproc sys/dev/kcov.c:584 [inline]
__sanitizer_cov_trace_const_cmp4(0,1) at __sanitizer_cov_trace_const_cmp4+0x2e sys/dev/kcov.c:230
mtx_enter(ffffffff838ebdc8) at mtx_enter+0x75 sys/kern/kern_lock.c:239
wakeup_n(ffffffff839ef8c4,ffffffff) at wakeup_n+0x54 sys/kern/kern_synch.c:567
uvm_pmr_getpages(400,0,0,1,0,400,20babe49ab7e394f,ffffffffffffffff) at uvm_pmr_getpages+0x139d sys/uvm/uvm_pmemrange.c:1216
uvm_pglistalloc(400000,0,ffffffffffffffff,0,0,ffff80003c50c2b8,40b161b7730c23a2,0) at uvm_pglistalloc+0x2a7 sys/uvm/uvm_page.c:786
km_alloc(400000,ffffffff835066a0,ffffffff83506788,ffffffff83506800) at km_alloc+0x4fa sys/uvm/uvm_km.c:683
kd_init(ffff8000014752c0,80000) at kd_init+0xa0
kcovioctl(131300,80084b01,ffff80003c50c5e0,3,ffff8000fffefc58) at kcovioctl+0x1c2 sys/dev/kcov.c:360
VOP_IOCTL(fffffd806c385bf8,80084b01,ffff80003c50c5e0,3,fffffd807f7d3478,ffff8000fffefc58) at VOP_IOCTL+0xac sys/kern/vfs_vops.c:264
vn_ioctl(fffffd806c158130,80084b01,ffff80003c50c5e0,ffff8000fffefc58) at vn_ioctl+0xf8 sys/kern/vfs_vnops.c:531
sys_ioctl(ffff8000fffefc58,ffff80003c50c7c0,ffff80003c50c710) at sys_ioctl+0x5c3
end trace frame: 0xffff80003c50c7b0, count: 0
ddb{0}> trace
x86_ipi_db(ffffffff8387dff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394
x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27
__sanitizer_cov_trace_const_cmp4(0,1) at __sanitizer_cov_trace_const_cmp4+0x2e kd_curproc sys/dev/kcov.c:584 [inline]
__sanitizer_cov_trace_const_cmp4(0,1) at __sanitizer_cov_trace_const_cmp4+0x2e sys/dev/kcov.c:230
mtx_enter(ffffffff838ebdc8) at mtx_enter+0x75 sys/kern/kern_lock.c:239
wakeup_n(ffffffff839ef8c4,ffffffff) at wakeup_n+0x54 sys/kern/kern_synch.c:567
uvm_pmr_getpages(400,0,0,1,0,400,20babe49ab7e394f,ffffffffffffffff) at uvm_pmr_getpages+0x139d sys/uvm/uvm_pmemrange.c:1216
uvm_pglistalloc(400000,0,ffffffffffffffff,0,0,ffff80003c50c2b8,40b161b7730c23a2,0) at uvm_pglistalloc+0x2a7 sys/uvm/uvm_page.c:786
km_alloc(400000,ffffffff835066a0,ffffffff83506788,ffffffff83506800) at km_alloc+0x4fa sys/uvm/uvm_km.c:683
kd_init(ffff8000014752c0,80000) at kd_init+0xa0
kcovioctl(131300,80084b01,ffff80003c50c5e0,3,ffff8000fffefc58) at kcovioctl+0x1c2 sys/dev/kcov.c:360
VOP_IOCTL(fffffd806c385bf8,80084b01,ffff80003c50c5e0,3,fffffd807f7d3478,ffff8000fffefc58) at VOP_IOCTL+0xac sys/kern/vfs_vops.c:264
vn_ioctl(fffffd806c158130,80084b01,ffff80003c50c5e0,ffff8000fffefc58) at vn_ioctl+0xf8 sys/kern/vfs_vnops.c:531
sys_ioctl(ffff8000fffefc58,ffff80003c50c7c0,ffff80003c50c710) at sys_ioctl+0x5c3
syscall(ffff80003c50c7c0) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80003c50c7c0) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7794683d7be0, count: -16
ddb{0}> machine ddbcpu 1
Stopped at db_enter+0x25: addq $0x8,%rsp
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
panic(ffffffff8340856d) at panic+0x1e5 sys/kern/subr_prf.c:198
uvm_fault_unwire_locked(fffffd806be47ca8,400000000000,400000001000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1741
uvm_fault_unwire(fffffd806be47ca8,400000000000,400000001000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1704
sysctl_vsunlock(400000000280,0) at sysctl_vsunlock+0x7b sys/kern/kern_sysctl.c:215
sys_sysctl(ffff8000fffee7d8,ffff80002a88a6f0,ffff80002a88a640) at sys_sysctl+0x460 sys/kern/kern_sysctl.c:309
syscall(ffff80002a88a6f0) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002a88a6f0) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7986fad5b50, count: 7
ddb{1}> trace
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
panic(ffffffff8340856d) at panic+0x1e5 sys/kern/subr_prf.c:198
uvm_fault_unwire_locked(fffffd806be47ca8,400000000000,400000001000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1741
uvm_fault_unwire(fffffd806be47ca8,400000000000,400000001000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1704
sysctl_vsunlock(400000000280,0) at sysctl_vsunlock+0x7b sys/kern/kern_sysctl.c:215
sys_sysctl(ffff8000fffee7d8,ffff80002a88a6f0,ffff80002a88a640) at sys_sysctl+0x460 sys/kern/kern_sysctl.c:309
syscall(ffff80002a88a6f0) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002a88a6f0) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7986fad5b50, count: -8