uvm_fault(0xfffffd806ccff8b8, 0x0, 0, 2) -> e
kernel: page fault trap, code=2
Stopped at km_free+0x191: movq $0,0(%rax)
TID PID UID PRFLAGS PFLAGS CPU COMMAND
km_free(0,1000,ffffffff835cd5b0,ffffffff835cd5c8) at km_free+0x191 sys/uvm/uvm_km.c:672
pool_p_free(ffffffff839a8128,fffffd8069538f90) at pool_p_free+0x1cd sys/kern/subr_pool.c:1018
pool_put(ffffffff839a8128,fffffd806d024cd0) at pool_put+0x2a5 pool_wakeup sys/kern/subr_pool.c:-1 [inline]
pool_put(ffffffff839a8128,fffffd806d024cd0) at pool_put+0x2a5 sys/kern/subr_pool.c:821
rip6_detach(ffff800001679c98) at rip6_detach+0xb4 sys/netinet6/raw_ip6.c:638
soclose(ffff800001679c98,0) at soclose+0xad pru_detach sys/sys/protosw.h:281 [inline]
soclose(ffff800001679c98,0) at soclose+0xad sys/kern/uipc_socket.c:403
soo_close(fffffd806b6f6b50,ffff80002a897258) at soo_close+0x56 sys/kern/sys_socket.c:-1
fdrop(fffffd806b6f6b50,ffff80002a897258) at fdrop+0x121 sys/kern/kern_descrip.c:1281
closef(fffffd806b6f6b50,ffff80002a897258) at closef+0x190 sys/kern/kern_descrip.c:1265
fdfree(ffff80002a897258) at fdfree+0x115 sys/kern/kern_descrip.c:1196
exit1(ffff80002a897258,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215
sys_exit(ffff80002a897258,ffff80003c977b60,ffff80003c977ab0) at sys_exit+0x1a sys/kern/kern_exit.c:-1
syscall(ffff80003c977b60) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80003c977b60) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x776e4ca33fe0, 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(0xfffffd806ccff8b8, 0x0, 0, 2) -> e
ddb> trace
km_free(0,1000,ffffffff835cd5b0,ffffffff835cd5c8) at km_free+0x191 sys/uvm/uvm_km.c:672
pool_p_free(ffffffff839a8128,fffffd8069538f90) at pool_p_free+0x1cd sys/kern/subr_pool.c:1018
pool_put(ffffffff839a8128,fffffd806d024cd0) at pool_put+0x2a5 pool_wakeup sys/kern/subr_pool.c:-1 [inline]
pool_put(ffffffff839a8128,fffffd806d024cd0) at pool_put+0x2a5 sys/kern/subr_pool.c:821
rip6_detach(ffff800001679c98) at rip6_detach+0xb4 sys/netinet6/raw_ip6.c:638
soclose(ffff800001679c98,0) at soclose+0xad pru_detach sys/sys/protosw.h:281 [inline]
soclose(ffff800001679c98,0) at soclose+0xad sys/kern/uipc_socket.c:403
soo_close(fffffd806b6f6b50,ffff80002a897258) at soo_close+0x56 sys/kern/sys_socket.c:-1
fdrop(fffffd806b6f6b50,ffff80002a897258) at fdrop+0x121 sys/kern/kern_descrip.c:1281
closef(fffffd806b6f6b50,ffff80002a897258) at closef+0x190 sys/kern/kern_descrip.c:1265
fdfree(ffff80002a897258) at fdfree+0x115 sys/kern/kern_descrip.c:1196
exit1(ffff80002a897258,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215
sys_exit(ffff80002a897258,ffff80003c977b60,ffff80003c977ab0) at sys_exit+0x1a sys/kern/kern_exit.c:-1
syscall(ffff80003c977b60) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80003c977b60) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x776e4ca33fe0, count: -13
ddb> show registers
rdi 0x1000 __ALIGN_SIZE
rsi 0x28000000
rbp 0xffff80003c977730
rbx 0xffffffff835cd5b0 kv_page
rdx 0
rcx 0xffffffff835cd5c8 kp_dirty
rax 0
r8 0xffffffffffffffff
r9 0
r10 0x475d5393c3c59442
r11 0xe142cd01c81651ba
r12 0x1000 __ALIGN_SIZE
r13 0
r14 0x1000 __ALIGN_SIZE
r15 0x28000000000
rip 0xffffffff81e26c11 km_free+0x191
cs 0x8
rflags 0x10246 __ALIGN_SIZE+0xf246
rsp 0xffff80003c9776c0
ss 0x10
km_free+0x191: movq $0,0(%rax)
ddb> show proc
PROC (syz-executor) tid=439244 pid=34782 tcnt=0 stat=onproc
flags process=1008<EXITING,SINGLEEXIT> proc=2000<WEXIT>
runpri=32, usrpri=81, slppri=32, nice=20
wchan=0x0, wmesg=, ps_single=0xffff80002a897258 scnt=-1 ecnt=1
forw=0xffffffffffffffff, list=0xffff80002a8967f8,0xffff80003c96a2d0
process=0xffff8000ffff9218 user=0xffff80003c972000, vmspace=0xfffffd806ccff8b8
estcpu=31, cpticks=7, pctcpu=0.7, user=0, sys=0, intr=0
ddb> ps
PID TID PPID UID S FLAGS WAIT COMMAND
52496 138783 77412 0 2 0 syz-executor
52496 51959 77412 0 3 0x4000080 sbwait syz-executor
52496 208232 77412 0 3 0x4000080 fsleep syz-executor
18715 109543 56902 0 3 0x80 nanoslp syz-executor
18715 112795 56902 0 3 0x4000080 sysctllk syz-executor
84049 178484 27083 0 3 0x80 nanoslp syz-executor
84049 312249 27083 0 3 0x4000080 sysctllk syz-executor
84049 107406 27083 0 3 0x4000080 fsleep syz-executor
16157 134779 75407 0 3 0x82 sysctllk syz-executor
80682 3701 75407 0 3 0x82 sysctllk syz-executor
51278 304760 91037 0 3 0 vmmapbsy syz-executor
51278 461303 91037 0 3 0x4000000 vmmapbsy syz-executor
51278 158933 91037 0 3 0x4000000 fltagain2 syz-executor
51278 248489 91037 0 3 0x4000080 pipeiolk syz-executor
51278 380274 91037 0 3 0x4000000 fltagain2 syz-executor
40847 40793 1 0 3 0x100083 ttyin getty
8325 285733 0 0 3 0x14280 nfsidl nfsio
90229 196798 0 0 3 0x14280 nfsidl nfsio
63911 483253 0 0 3 0x14280 nfsidl nfsio
92221 66805 0 0 3 0x14280 nfsidl nfsio
35754 194852 0 0 3 0x14280 nfsidl nfsio
79272 424258 0 0 3 0x14280 nfsidl nfsio
68077 200465 0 0 3 0x14280 nfsidl nfsio
53982 245371 0 0 3 0x14280 nfsidl nfsio
52818 355965 0 0 3 0x14280 nfsidl nfsio
53989 141031 0 0 3 0x14280 nfsidl nfsio
22660 240450 0 0 3 0x14280 nfsidl nfsio
91959 332198 0 0 3 0x14280 nfsidl nfsio
62822 174895 0 0 3 0x14280 nfsidl nfsio
19507 186731 0 0 3 0x14280 nfsidl nfsio
51105 355082 0 0 3 0x14280 nfsidl nfsio
18106 354711 0 0 3 0x14280 nfsidl nfsio
85056 244291 0 0 3 0x14280 nfsidl nfsio
76238 103852 0 0 3 0x14280 nfsidl nfsio
22753 189775 0 0 3 0x14280 nfsidl nfsio
50592 448982 0 0 3 0x14280 nfsidl nfsio
28355 220921 75407 0 3 0x82 nanoslp syz-executor
73412 338629 75407 0 3 0x82 nanoslp syz-executor
77412 226422 75407 0 3 0x82 nanoslp syz-executor
27083 388296 75407 0 3 0x82 nanoslp syz-executor
56902 85927 75407 0 3 0x82 nanoslp syz-executor
91037 350593 75407 0 3 0x82 wait syz-executor
75407 370345 1875 0 3 0x82 kqread syz-executor
1875 358262 49225 0 3 0x10008a sigsusp ksh
49225 232517 32689 0 3 0x98 kqread sshd-session
32689 427727 20597 0 3 0x92 kqread sshd-session
20597 462211 1 0 3 0x88 kqread sshd
79258 512518 35482 73 3 0x1100090 kqread syslogd
35482 508398 1 0 3 0x100082 sbwait syslogd
25261 275524 1 0 3 0x100080 kqread resolvd
8338 4719 45537 77 3 0x100092 sysctllk dhcpleased
27169 269678 45537 77 3 0x100092 kqread dhcpleased
45537 434246 1 0 3 0x80 kqread dhcpleased
54060 89605 0 0 3 0x14200 bored smr
80603 446794 0 0 2 0x14200 zerothread
90327 303626 0 0 3 0x14200 aiodoned aiodoned
23556 186995 0 0 3 0x14200 syncer update
67022 100288 0 0 3 0x14200 cleaner cleaner
42360 134315 0 0 3 0x14200 reaper reaper
8706 193733 0 0 3 0x14200 pgdaemon pagedaemon
26988 174310 0 0 3 0x14200 bored viomb
53405 19574 0 0 3 0x40014200 acpi0 acpi0
51711 255404 0 0 3 0x14200 bored softnet0
87738 244113 0 0 3 0x14200 bored systqmp
49237 192648 0 0 3 0x14200 bored systq
87598 364226 0 0 3 0x40014200 tmoslp softclock
39630 297462 0 0 3 0x40014200 idle0
1 149930 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 11052 12129K 12603K 166960K 15048 0
pcb 37 18K 23K 166960K 630 0
rtable 227 11K 13K 166960K 699 0
pf 31 13K 17K 166960K 170 0
ifaddr 38 7K 8K 166960K 115 0
ifgroup 41 1K 2K 166960K 181 0
sysctl 4 1K 9K 166960K 18 0
counters 33 17K 18K 166960K 105 0
ioctlops 0 0K 4K 166960K 716 0
iov 1 8K 20K 166960K 187 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1415 89K 90K 166960K 3638 0
UFS quota 1 32K 32K 166960K 1 0
UFS mount 5 36K 36K 166960K 5 0
shm 3 5K 9K 166960K 35 0
VM map 2 1K 1K 166960K 2 0
sem 12 0K 1K 166960K 84 0
dirhash 12 2K 2K 166960K 60 0
ACPI 1692 195K 286K 166960K 12470 0
file desc 16 51K 347K 166960K 1731 0
sigio 1 0K 0K 166960K 70 0
proc 60 59K 91K 166960K 736 0
subproc 54 3K 4K 166960K 90 0
NFS srvsock 1 0K 0K 166960K 1 0
NFS daemon 1 16K 16K 166960K 1 0
ip_moptions 2 0K 0K 166960K 293 0
in_multi 84 6K 7K 166960K 185 0
ether_multi 1 0K 0K 166960K 20 0
mrt 1 0K 0K 166960K 39 0
ISOFS mount 1 32K 32K 166960K 1 0
MSDOSFS mount 1 16K 16K 166960K 1 0
ttys 109 493K 493K 166960K 109 0
exec 0 0K 1K 166960K 675 0
fusefs mount 1 32K 32K 166960K 1 0
pfkey data 0 0K 0K 166960K 1 0
tdb 3 0K 0K 166960K 3 0
VM swap 8 62K 64K 166960K 10 0
UVM amap 217 135K 167K 166960K 16367 0
UVM aobj 133 8K 10K 166960K 137 0
pinsyscall 37 74K 93K 166960K 2850 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
ip6_options 0 0K 1K 166960K 140 0
NDP 10 0K 2K 166960K 79 0
temp 79 9075K 9156K 166960K 65941 0
kqueue 14 22K 38K 166960K 344 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 120 268 0 265 3 2 1 3 0 8 0
rtentry 136 197 0 111 5 0 5 5 0 8 0
unpcb 144 1368 0 1351 7 5 2 6 0 8 1
syncache 336 7 0 7 2 1 1 1 0 8 1
tcpcb 736 667 0 662 13 6 7 7 0 8 6
arp 96 31 0 12 1 0 1 1 0 8 0
ipq 40 8 0 2 1 0 1 1 0 8 0
ipqe 40 14 0 6 1 0 1 1 0 8 0
inpcb 328 2169 0 2141 24 13 11 16 0 8 8
ip6q 72 7 0 1 1 0 1 1 0 8 0
ip6af 40 7 0 2 1 0 1 1 0 8 0
nd6 112 55 0 34 2 1 1 2 0 8 0
pkpcb 40 77 0 77 2 1 1 1 0 8 1
kcovpl 48 10 0 4 1 0 1 1 0 8 0
mppekey 1024 3 0 3 2 1 1 1 0 8 1
ppxss 1072 59 0 57 2 1 1 1 0 8 0
pppxif 1416 3 0 3 2 1 1 1 0 8 1
pfstscr 40 65 0 65 1 1 0 1 0 8 0
pfrktable 1344 3 0 1 1 0 1 1 0 8 0
pfsrclim 320 1 0 1 1 1 0 1 0 8 0
pfanchor 1288 4 0 3 1 0 1 1 0 8 0
pftag 88 4 0 0 1 0 1 1 0 8 0
pfqueue 320 3 0 0 1 0 1 1 0 8 0
pfstitem 24 4 0 0 1 0 1 1 0 8 0
pfstkey 128 136 0 133 1 0 1 1 0 8 0
pfstate 384 68 0 66 1 0 1 1 0 8 0
pfrule 1360 15 0 11 1 0 1 1 0 8 0
rttmr 136 1 0 1 1 0 1 1 0 8 1
art_heap8 4096 5 0 0 5 0 5 5 0 8 0
art_heap4 256 898 0 575 36 8 28 36 0 8 3
art_table 40 903 0 575 6 0 6 6 0 8 0
art_node 32 193 0 124 1 0 1 1 0 8 0
sysvmsgpl 40 1 0 1 1 1 0 1 0 8 0
semupl 112 1 0 1 1 1 0 1 0 8 0
semapl 112 78 0 68 1 0 1 1 0 8 0
shmpl 112 131 0 3 4 0 4 4 0 8 0
dirhash 1024 49 0 32 3 0 3 3 0 8 0
dino2pl 256 4738 0 3286 92 0 92 92 0 8 0
ffsino 256 4738 0 3286 92 0 92 92 0 8 0
nchpl 144 7125 0 5421 64 0 64 64 0 8 0
rtmask 32 14 0 14 2 1 1 1 0 8 1
vnodes 216 5533 0 0 308 0 308 308 0 8 0
namei 1024 26618 0 26618 3 1 2 2 0 8 2
vcpupl 3904 3 0 1 1 0 1 1 0 8 0
vmpool 808 3 0 1 1 0 1 1 0 8 0
pfiaddrpl 120 1 0 0 1 0 1 1 0 8 0
kstatmem 264 116 0 96 2 0 2 2 0 8 0
scsiplug 72 6 0 6 2 1 1 1 0 8 1
scxspl 216 34841 0 34841 9 7 2 8 1 8 2
plimitpl 152 779 0 760 1 0 1 1 0 8 0
sigapl 424 2019 0 1958 8 0 8 8 0 8 0
knotepl 120 80945 0 80894 34 23 11 17 0 8 7
kqueuepl 184 598 0 587 5 2 3 3 0 8 2
pipepl 304 355 0 327 5 2 3 5 0 8 0
fdescpl 448 1980 0 1952 5 1 4 5 0 8 0
filepl 120 15032 0 14812 15 4 11 12 0 8 2
lockfpl 104 942 0 940 2 1 1 2 0 8 0
lockfspl 48 398 0 396 1 0 1 1 0 8 0
sessionpl 144 25 0 17 1 0 1 1 0 8 0
pgrppl 48 56 0 40 1 0 1 1 0 8 0
ucredpl 104 2625 0 2614 1 0 1 1 0 8 0
zombiepl 144 1960 0 1958 1 0 1 1 0 8 0
processpl 1152 2019 0 1958 5 0 5 5 0 8 0
procpl 664 4444 0 4374 8 1 7 8 0 8 0
sosppl 176 11 0 11 2 1 1 1 0 8 1
sockpl 552 4003 0 3954 20 10 10 12 0 8 5
mcl64k 65536 240 0 239 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 1 0 1 0 8 0
mcl8k 8192 20 0 20 2 1 1 1 0 8 1
mcl4k 4096 4619 0 4564 14 6 8 14 0 8 0
mcl2k 2048 2015 0 2001 5 2 3 3 0 8 1
mtagpl 96 111 0 53 2 0 2 2 0 8 0
mbufpl 256 26113 0 25879 32 14 18 29 0 8 1
bufpl 280 12418 0 6204 445 0 445 445 0 8 0
anonpl 24 297069 0 293205 74 25 49 73 0 187 6
amapchunkpl 152 59706 0 59240 41 14 27 38 0 158 6
amappl16 200 5713 0 5653 41 27 14 24 0 8 8
amappl15 192 8 0 8 1 1 0 1 0 8 0
amappl14 184 432 0 431 1 0 1 1 0 8 0
amappl13 176 123 0 113 1 0 1 1 0 8 0
amappl12 168 2239 0 2214 2 0 2 2 0 8 0
amappl11 160 8 0 8 1 1 0 1 0 8 0
amappl10 152 79 0 69 1 0 1 1 0 8 0
amappl9 144 262 0 262 1 1 0 1 0 8 0
amappl8 136 107 0 105 1 0 1 1 0 8 0
amappl7 128 149 0 137 1 0 1 1 0 8 0
amappl6 120 175 0 172 1 0 1 1 0 8 0
amappl5 112 86 0 78 1 0 1 1 0 8 0
amappl4 104 275 0 257 1 0 1 1 0 8 0
amappl3 96 11759 0 11651 4 0 4 4 0 8 0
amappl2 88 547 0 493 2 0 2 2 0 8 0
amappl1 80 15873 0 15319 13 1 12 13 0 8 0
amappl 88 15409 0 15253 5 0 5 5 0 92 0
uvmvnodes 80 150 0 0 4 0 4 4 0 8 0
dma4096 4096 1 0 1 1 1 0 1 0 8 0
dma1024 1024 2 0 1 1 0 1 1 0 8 0
dma256 256 6 0 6 1 1 0 1 0 8 0
dma128 128 254 0 254 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 19 0 18 1 0 1 1 0 8 0
aobjpl 72 136 0 4 3 0 3 3 0 8 0
uaddrrnd 24 1980 0 1952 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 1980 0 1952 1 0 1 1 0 8 0
vmmpekpl 168 15919 0 15864 3 0 3 3 0 8 0
vmmpepl 168 127271 0 125508 102 10 92 100 0 357 8
vmsppl 368 1979 0 1952 4 1 3 4 0 8 0
rwobjpl 40 33153 0 31991 16 0 16 16 0 8 0
pdppl 4096 3972 0 3908 106 41 65 78 0 8 1
pvpl 32 871340 0 861825 174 41 133 174 0 265 35
pmappl 216 1982 0 1953 2 0 2 2 0 8 0
extentpl 40 45 0 27 1 0 1 1 0 8 0
phpool 112 423 0 86 11 0 11 11 0 8 0
ddb> machine ddbcpu 0
No such command
ddb> trace
km_free(0,1000,ffffffff835cd5b0,ffffffff835cd5c8) at km_free+0x191 sys/uvm/uvm_km.c:672
pool_p_free(ffffffff839a8128,fffffd8069538f90) at pool_p_free+0x1cd sys/kern/subr_pool.c:1018
pool_put(ffffffff839a8128,fffffd806d024cd0) at pool_put+0x2a5 pool_wakeup sys/kern/subr_pool.c:-1 [inline]
pool_put(ffffffff839a8128,fffffd806d024cd0) at pool_put+0x2a5 sys/kern/subr_pool.c:821
rip6_detach(ffff800001679c98) at rip6_detach+0xb4 sys/netinet6/raw_ip6.c:638
soclose(ffff800001679c98,0) at soclose+0xad pru_detach sys/sys/protosw.h:281 [inline]
soclose(ffff800001679c98,0) at soclose+0xad sys/kern/uipc_socket.c:403
soo_close(fffffd806b6f6b50,ffff80002a897258) at soo_close+0x56 sys/kern/sys_socket.c:-1
fdrop(fffffd806b6f6b50,ffff80002a897258) at fdrop+0x121 sys/kern/kern_descrip.c:1281
closef(fffffd806b6f6b50,ffff80002a897258) at closef+0x190 sys/kern/kern_descrip.c:1265
fdfree(ffff80002a897258) at fdfree+0x115 sys/kern/kern_descrip.c:1196
exit1(ffff80002a897258,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215
sys_exit(ffff80002a897258,ffff80003c977b60,ffff80003c977ab0) at sys_exit+0x1a sys/kern/kern_exit.c:-1
syscall(ffff80003c977b60) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80003c977b60) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x776e4ca33fe0, count: -13
ddb> machine ddbcpu 1
No such command
ddb> trace
km_free(0,1000,ffffffff835cd5b0,ffffffff835cd5c8) at km_free+0x191 sys/uvm/uvm_km.c:672
pool_p_free(ffffffff839a8128,fffffd8069538f90) at pool_p_free+0x1cd sys/kern/subr_pool.c:1018
pool_put(ffffffff839a8128,fffffd806d024cd0) at pool_put+0x2a5 pool_wakeup sys/kern/subr_pool.c:-1 [inline]
pool_put(ffffffff839a8128,fffffd806d024cd0) at pool_put+0x2a5 sys/kern/subr_pool.c:821
rip6_detach(ffff800001679c98) at rip6_detach+0xb4 sys/netinet6/raw_ip6.c:638
soclose(ffff800001679c98,0) at soclose+0xad pru_detach sys/sys/protosw.h:281 [inline]
soclose(ffff800001679c98,0) at soclose+0xad sys/kern/uipc_socket.c:403
soo_close(fffffd806b6f6b50,ffff80002a897258) at soo_close+0x56 sys/kern/sys_socket.c:-1
fdrop(fffffd806b6f6b50,ffff80002a897258) at fdrop+0x121 sys/kern/kern_descrip.c:1281
closef(fffffd806b6f6b50,ffff80002a897258) at closef+0x190 sys/kern/kern_descrip.c:1265
fdfree(ffff80002a897258) at fdfree+0x115 sys/kern/kern_descrip.c:1196
exit1(ffff80002a897258,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215
sys_exit(ffff80002a897258,ffff80003c977b60,ffff80003c977ab0) at sys_exit+0x1a sys/kern/kern_exit.c:-1
syscall(ffff80003c977b60) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80003c977b60) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x776e4ca33fe0, count: -13