uvm_fault(0xffffffff83a03568, 0xffff800001648000, 0, 2) -> e
kernel: page fault trap, code=2
Stopped at sysctl_sysvipc+0x539: repe movsq (%rsi),%es:(%rdi)
TID PID UID PRFLAGS PFLAGS CPU COMMAND
312351 75546 0 0 0 1 syz-executor
*188042 66373 32767 0x10 0x4000000 0K syz-executor
sysctl_sysvipc(ffff80002a2ba838,1,200000000000,ffff80002a2ba868) at sysctl_sysvipc+0x539 sys/kern/kern_sysctl.c:2779
kern_sysctl(ffff80002a2ba834,2,200000000000,ffff80002a2ba868,0,d79b41c173cbb07f,d88ef27c3c9037a8) at kern_sysctl+0x139 sys/kern/kern_sysctl.c:736
sys_sysctl(ffff800045fe8020,ffff80002a2ba9a0,ffff80002a2ba8f0) at sys_sysctl+0x3e5 sys/kern/kern_sysctl.c:-1
syscall(ffff80002a2ba9a0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002a2ba9a0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:791
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x69d121184d0, count: 10
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(0xffffffff83a03568, 0xffff800001648000, 0, 2) -> e
ddb{0}> show kasan
No such command
ddb{0}> trace
sysctl_sysvipc(ffff80002a2ba838,1,200000000000,ffff80002a2ba868) at sysctl_sysvipc+0x539 sys/kern/kern_sysctl.c:2779
kern_sysctl(ffff80002a2ba834,2,200000000000,ffff80002a2ba868,0,d79b41c173cbb07f,d88ef27c3c9037a8) at kern_sysctl+0x139 sys/kern/kern_sysctl.c:736
sys_sysctl(ffff800045fe8020,ffff80002a2ba9a0,ffff80002a2ba8f0) at sys_sysctl+0x3e5 sys/kern/kern_sysctl.c:-1
syscall(ffff80002a2ba9a0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002a2ba9a0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:791
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x69d121184d0, count: -5
ddb{0}> show registers
rdi 0xffff800001648000
rsi 0xfffffb806c60dc58
rbp 0xffff80002a2ba620
rbx 0x1
rdx 0xffff800031f97000
rcx 0xa
rax 0xffffffff82e65405 sysctl_sysvipc+0x525
r8 0xffff80002a2ba868
r9 0
r10 0x7869f489a7963eba
r11 0xe6fe174eb2394579
r12 0xfffffffffffff0e5
r13 0xfffffb806c60dc48
r14 0x25
r15 0xffff800001647ff0
rip 0xffffffff82e65419 sysctl_sysvipc+0x539
cs 0x8
rflags 0x10246 __ALIGN_SIZE+0xf246
rsp 0xffff80002a2ba590
ss 0x10
sysctl_sysvipc+0x539: repe movsq (%rsi),%es:(%rdi)
ddb{0}> show proc
PROC (syz-executor) tid=188042 pid=66373 tcnt=4 stat=onproc
flags process=10<SUGID> proc=4000000<THREAD>
runpri=32, usrpri=81, slppri=32, nice=20
wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0
forw=0xffffffffffffffff, list=0xffff80002a22a548,0xffff800045fe9258
process=0xffff800045fef038 user=0xffff80002a2b5000, vmspace=0xfffffb8078266ba8
estcpu=31, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0
ddb{0}> ps
PID TID PPID UID S PRLAGS PFLAGS WAIT COMMAND
75546 312351 62356 0 7 0 0 syz-executor
66373 187201 13696 32767 2 0x10 0 syz-executor
66373 388570 13696 32767 3 0x10 0x4000080 ttyin syz-executor
*66373 188042 13696 32767 7 0x10 0x4000000 syz-executor
66373 447981 13696 32767 3 0x10 0x4000080 fsleep syz-executor
91636 482788 69867 32767 4 0x2010 0x80000 syz-executor
91636 440108 69867 32767 2 0x2010 0x4080000 syz-executor
91636 94218 69867 32767 3 0x2010 0x4000000 suspend syz-executor
91636 446867 69867 32767 4 0x2010 0x4080000 syz-executor
91636 88766 69867 32767 4 0x2010 0x4080000 syz-executor
80234 363477 36438 32767 3 0x10 0x80 nanoslp syz-executor
80234 399549 36438 32767 3 0x10 0x4000080 kqread syz-executor
80234 346492 36438 32767 3 0x10 0x4000080 fsleep syz-executor
13696 156388 95369 32767 3 0x10 0x80 nanoslp syz-executor
95369 82033 62356 0 3 0x2 0x80 wait syz-executor
82845 84727 23813 32767 2 0x10 0 syz-executor
23813 50382 62356 0 3 0x2 0x80 wait syz-executor
36438 45511 94618 32767 3 0x10 0x80 nanoslp syz-executor
94618 459904 62356 0 3 0x2 0x80 wait syz-executor
47264 333914 32139 32767 3 0x10 0x80 piperd syz-executor
32139 413347 62356 0 3 0x2 0x80 wait syz-executor
36945 147660 14585 32767 3 0x1010 0x2000 suspend syz-executor
36945 335533 14585 32767 2 0x1010 0x4080000 syz-executor
21765 407414 14539 32767 3 0x10000010 0x80 nanoslp syz-executor
14539 49444 62356 0 3 0x2 0x80 wait syz-executor
69867 291465 49323 32767 3 0x10 0x80 nanoslp syz-executor
49323 262242 62356 0 3 0x2 0x80 wait syz-executor
14585 155153 1 32767 3 0x10 0x80 wait syz-executor
27247 448167 93741 32767 3 0x10 0x80 piperd syz-executor
93741 98017 62356 0 3 0x2 0x80 wait syz-executor
62356 124184 88711 0 2 0x2 0 syz-executor
88711 82641 17457 0 3 0x100002 0x88 sigsusp ksh
17457 226376 81436 0 3 0x10 0x88 kqread sshd-session
81436 494460 86523 0 3 0x12 0x80 kqread sshd-session
92828 261441 1 0 3 0x100003 0x80 ttyin getty
86523 391716 1 0 3 0 0x88 kqread sshd
31348 71918 3818 73 3 0x1100010 0x80 kqread syslogd
3818 348329 1 0 3 0x100002 0x80 sbwait syslogd
20149 303115 1 0 3 0x100000 0x80 kqread resolvd
27811 400471 37256 77 3 0x100012 0x80 kqread dhcpleased
39039 74262 37256 77 3 0x100012 0x80 kqread dhcpleased
37256 507871 1 0 3 0 0x80 kqread dhcpleased
52570 7669 0 0 3 0x14000 0x200 bored smr
36738 94642 0 0 2 0x14000 0x200 zerothread
9847 372435 0 0 3 0x14000 0x200 aiodoned aiodoned
80036 247183 0 0 3 0x14000 0x200 syncer update
23065 176007 0 0 3 0x14000 0x200 cleaner cleaner
42833 112358 0 0 3 0x14000 0x200 reaper reaper
79393 172382 0 0 3 0x14000 0x200 pgdaemon pagedaemon
61347 325274 0 0 3 0x14000 0x200 bored viomb
73115 160457 0 0 3 0x14000 0x40000200 acpi0 acpi0
41759 174259 0 0 3 0x14000 0x40000200 idle1
20317 376717 0 0 3 0x14000 0x200 bored softnet1
5578 301800 0 0 3 0x14000 0x200 bored softnet0
7502 174194 0 0 3 0x14000 0x200 bored systqmp
17410 195021 0 0 3 0x14000 0x200 bored systq
41757 304248 0 0 2 0x14000 0x200 softclockmp
32176 379633 0 0 3 0x14000 0x40000200 tmoslp softclock
14755 127183 0 0 3 0x14000 0x40000200 idle0
1 248538 0 0 3 0x2 0x80 wait init
0 0 -1 0 3 0x10000 0x200 scheduler swapper
ddb{0}> show all locks
Process 66373 (syz-executor) thread 0xffff800045fe8020 (188042)
exclusive kernel_lock &kernel_lock r = 0 (0xffffffff839f87c0)
#0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1 sysctl_sysvipc+0x4b5 sys/kern/kern_sysctl.c:-1
#2 kern_sysctl+0x139 sys/kern/kern_sysctl.c:736
#3 sys_sysctl+0x3e5 sys/kern/kern_sysctl.c:-1
#4 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#4 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:791
#5 Xsyscall+0x128
Process 91636 (syz-executor) thread 0xffff800045fe34e8 (440108)
exclusive rrwlock inode r = 0 (0xfffffb806cf447b0)
#0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320
#2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621
#3 VOP_LOCK+0xbd sys/kern/vfs_vops.c:527
#4 vn_lock+0xa4 sys/kern/vfs_vnops.c:576
#5 vn_write+0x18f sys/kern/vfs_vnops.c:411
#6 dofilewritev+0x2bd sys/kern/sys_generic.c:384
#7 sys_write+0xa2 sys/kern/sys_generic.c:300
#8 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#8 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:791
#9 Xsyscall+0x128
Process 82845 (syz-executor) thread 0xffff80002a22a7e0 (84727)
exclusive rrwlock inode r = 0 (0xfffffb806caa5440)
#0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320
#2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621
#3 VOP_LOCK+0xbd sys/kern/vfs_vops.c:527
#4 vn_lock+0xa4 sys/kern/vfs_vnops.c:576
#5 vget+0x2a2 sys/kern/vfs_subr.c:692
#6 ufs_ihashget+0x185 sys/ufs/ufs/ufs_ihash.c:98
#7 ffs_vget+0x8c sys/ufs/ffs/ffs_vfsops.c:1203
#8 ufs_lookup+0x1a36 sys/ufs/ufs/ufs_lookup.c:478
#9 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85
#10 vfs_lookup+0x963 sys/kern/vfs_lookup.c:580
#11 namei+0x7c5 sys/kern/vfs_lookup.c:250
#12 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1807
#13 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#13 syscall+0xb17 sys/arch/amd64/amd64/trap.c:791
#14 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffffb8076437320)
#0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320
#2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621
#3 VOP_LOCK+0xbd sys/kern/vfs_vops.c:527
#4 vn_lock+0xa4 sys/kern/vfs_vnops.c:576
#5 vfs_lookup+0x12b sys/kern/vfs_lookup.c:431
#6 namei+0x7c5 sys/kern/vfs_lookup.c:250
#7 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1807
#8 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#8 syscall+0xb17 sys/arch/amd64/amd64/trap.c:791
#9 Xsyscall+0x128
ddb{0}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 11052 12018K 12034K 166960K 12167 0
pcb 17 12K 12K 166960K 17 0
rtable 239 6K 7K 166960K 600 0
pf 31 16K 16K 166960K 47 0
ifaddr 42 7K 7K 166960K 78 0
ifgroup 50 2K 2K 166960K 82 0
sysctl 1 1K 9K 166960K 5 0
counters 70 37K 37K 166960K 86 0
ioctlops 0 0K 4K 166960K 45 0
iov 0 0K 4K 166960K 8 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1297 82K 82K 166960K 1515 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 27 6K 7K 166960K 44 0
dirhash 12 2K 2K 166960K 15 0
ACPI 1692 195K 286K 166960K 12470 0
file desc 22 78K 125K 166960K 453 0
sigio 0 0K 0K 166960K 3 0
proc 58 99K 163K 166960K 747 0
subproc 72 4K 5K 166960K 216 0
NFS srvsock 1 0K 0K 166960K 1 0
NFS daemon 1 16K 16K 166960K 1 0
ip_moptions 0 0K 0K 166960K 29 0
in_multi 99 6K 6K 166960K 192 0
ether_multi 1 0K 0K 166960K 2 0
mrt 1 0K 0K 166960K 20 0
ISOFS mount 1 32K 32K 166960K 1 0
MSDOSFS mount 1 16K 16K 166960K 1 0
ttys 73 334K 334K 166960K 73 0
exec 0 0K 1K 166960K 488 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 231 167K 192K 166960K 5107 0
UVM aobj 74 3K 3K 166960K 75 0
pinsyscall 43 86K 113K 166960K 1751 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
ip6_options 0 0K 0K 166960K 5 0
NDP 11 0K 2K 166960K 51 0
temp 37 9114K 9134K 166960K 5168 0
kqueue 13 20K 30K 166960K 65 0
SYN cache 2 16K 16K 166960K 2 0
ddb{0}> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
plcache 128 28 0 0 1 0 1 1 0 8 0
rtpcb 120 64 0 61 1 0 1 1 0 8 0
rtentry 176 201 0 90 6 0 6 6 0 8 0
unpcb 144 261 0 244 7 6 1 6 0 8 0
syncache 336 9 0 9 3 2 1 1 0 8 1
tcpqe 32 3 0 3 2 1 1 1 0 8 1
tcpcb 736 154 0 145 8 6 2 7 0 8 0
arp 136 34 0 16 1 0 1 1 0 8 0
ipq 40 3 0 3 1 0 1 1 0 8 1
ipqe 40 6 0 6 1 0 1 1 0 8 1
inpcb 328 317 0 303 8 6 2 7 0 8 0
nd6 152 50 0 25 1 0 1 1 0 8 0
kcovpl 48 24 0 16 1 0 1 1 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 812 0 354 30 1 29 29 0 8 0
art_table 40 813 0 354 5 0 5 5 0 8 0
art_node 32 201 0 100 1 0 1 1 0 8 0
sysvmsgpl 40 4 0 2 1 0 1 1 0 8 0
semapl 72 41 0 16 1 0 1 1 0 8 0
shmpl 112 72 0 1 3 0 3 3 0 8 0
dirhash 1024 19 0 2 3 0 3 3 0 8 0
dino2pl 256 1808 0 318 94 0 94 94 0 8 0
ffsino 296 1808 0 318 115 0 115 115 0 8 0
nchpl 144 2228 0 509 64 0 64 64 0 8 0
vnodes 216 2033 0 0 113 0 113 113 0 8 0
namei 1024 8361 0 8361 4 2 2 2 0 8 2
percpumem 16 59 0 8 1 0 1 1 0 8 0
kstatmem 264 41 0 16 2 0 2 2 0 8 0
scxspl 216 7863 0 7863 11 10 1 8 1 8 1
plimitpl 152 147 0 122 2 0 2 2 0 8 0
sigapl 424 714 0 663 7 0 7 7 0 8 0
knotepl 120 332 0 0 10 0 10 10 0 8 0
kqueuepl 224 73 0 63 1 0 1 1 0 8 0
pipepl 344 217 0 187 7 3 4 6 0 8 0
fdescpl 528 698 0 664 4 0 4 4 0 8 0
filepl 160 2970 0 2749 15 4 11 15 0 8 0
lockfpl 104 35 0 33 1 0 1 1 0 8 0
lockfspl 48 18 0 16 1 0 1 1 0 8 0
sessionpl 144 53 0 37 1 0 1 1 0 8 0
pgrppl 48 78 0 54 1 0 1 1 0 8 0
ucredpl 104 413 0 394 1 0 1 1 0 8 0
zombiepl 144 665 0 663 1 0 1 1 0 8 0
processpl 1232 714 0 663 5 0 5 5 0 8 0
procpl 664 981 0 920 6 0 6 6 0 8 0
sosppl 176 2 0 2 1 0 1 1 0 8 1
sockpl 752 642 0 608 18 13 5 16 0 8 1
mcl64k 65536 4 0 0 1 0 1 1 0 8 0
mcl16k 16384 3 0 0 1 0 1 1 0 8 0
mcl12k 12288 1 0 0 1 0 1 1 0 8 0
mcl8k 8192 3 0 0 1 0 1 1 0 8 0
mcl4k 4096 131 0 0 17 0 17 17 0 8 0
mcl2k 2048 29 0 0 4 0 4 4 0 8 0
mextrefs 64 21 0 0 1 0 1 1 0 8 0
mtagpl 96 3 0 0 1 0 1 1 0 8 0
mbufpl 256 241 0 0 15 0 15 15 0 8 0
bufpl 272 2701 0 102 174 0 174 174 0 8 0
anonpl 32 6776 0 0 55 0 55 55 0 247 0
amapchunkpl 152 14655 0 14154 37 12 25 35 0 158 0
amappl16 200 1574 0 1349 14 2 12 12 0 8 0
amappl15 192 2 0 2 1 1 0 1 0 8 0
amappl14 184 494 0 493 1 0 1 1 0 8 0
amappl13 176 134 0 124 1 0 1 1 0 8 0
amappl12 168 997 0 963 2 0 2 2 0 8 0
amappl11 160 5 0 5 1 1 0 1 0 8 0
amappl10 152 100 0 90 1 0 1 1 0 8 0
amappl9 144 288 0 288 1 1 0 1 0 8 0
amappl8 136 134 0 133 1 0 1 1 0 8 0
amappl7 128 153 0 141 1 0 1 1 0 8 0
amappl6 120 228 0 226 1 0 1 1 0 8 0
amappl5 112 99 0 92 1 0 1 1 0 8 0
amappl4 104 300 0 282 1 0 1 1 0 8 0
amappl3 96 2612 0 2521 4 1 3 3 0 8 0
amappl2 88 817 0 741 3 1 2 3 0 8 0
amappl1 80 12746 0 12193 17 2 15 16 0 8 0
amappl 88 4245 0 4079 5 0 5 5 0 92 0
uvmvnodes 80 103 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 128 253 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 74 0 1 2 0 2 2 0 8 0
uaddrrnd 24 698 0 664 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 698 0 664 1 0 1 1 0 8 0
vmmpekpl 168 7921 0 7868 3 0 3 3 0 8 0
vmmpepl 168 54127 0 51985 114 10 104 108 0 357 3
vmsppl 488 697 0 664 8 2 6 6 0 8 0
rwobjpl 80 18179 0 16974 31 2 29 29 0 8 1
pdppl 4096 1403 0 1328 137 54 83 97 0 8 8
pvpl 32 15032 0 0 122 1 121 121 0 265 0
pmappl 256 697 0 664 4 1 3 3 0 8 0
extentpl 40 45 0 27 1 0 1 1 0 8 0
phpool 112 500 0 68 13 0 13 13 0 8 0
ddb{0}> machine ddbcpu 0
Invalid cpu 0
ddb{0}> trace
sysctl_sysvipc(ffff80002a2ba838,1,200000000000,ffff80002a2ba868) at sysctl_sysvipc+0x539 sys/kern/kern_sysctl.c:2779
kern_sysctl(ffff80002a2ba834,2,200000000000,ffff80002a2ba868,0,d79b41c173cbb07f,d88ef27c3c9037a8) at kern_sysctl+0x139 sys/kern/kern_sysctl.c:736
sys_sysctl(ffff800045fe8020,ffff80002a2ba9a0,ffff80002a2ba8f0) at sys_sysctl+0x3e5 sys/kern/kern_sysctl.c:-1
syscall(ffff80002a2ba9a0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002a2ba9a0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:791
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x69d121184d0, count: -5
ddb{0}> machine ddbcpu 1
Stopped at x86_ipi_db+0x27: addq $0x8,%rsp
x86_ipi_db(ffff80002999dff0) 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
__mp_lock(ffffffff839f7fc0) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline]
__mp_lock(ffffffff839f7fc0) at __mp_lock+0x192 sys/kern/kern_lock.c:173
syscall(ffff8000347d8dd0) at syscall+0xaf4 mi_syscall sys/sys/syscall_mi.h:175 [inline]
syscall(ffff8000347d8dd0) at syscall+0xaf4 sys/arch/amd64/amd64/trap.c:791
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x74112ef3d790, count: 9
ddb{1}> trace
x86_ipi_db(ffff80002999dff0) 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
__mp_lock(ffffffff839f7fc0) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline]
__mp_lock(ffffffff839f7fc0) at __mp_lock+0x192 sys/kern/kern_lock.c:173
syscall(ffff8000347d8dd0) at syscall+0xaf4 mi_syscall sys/sys/syscall_mi.h:175 [inline]
syscall(ffff8000347d8dd0) at syscall+0xaf4 sys/arch/amd64/amd64/trap.c:791
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x74112ef3d790, count: -6