panic: kernel diagnostic assertion "sc->sc_dev == 0" failed: file "/syzkaller/managers/multicore/kernel/sys/net/if_tun.c", line 315
Stopped at db_enter+0x18: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
*332960 56500 0 0x2 0 1K ifconfig
403876 6222 77 0x100012 0 0 dhcpleased
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff82751deb) at panic+0x177 sys/kern/subr_prf.c:198
__assert(ffffffff827cd2be,ffffffff82818b32,13b,ffffffff827e01fc) at __assert+0x25 sys/kern/subr_prf.c:157
tun_clone_destroy(ffff800000e80800) at tun_clone_destroy+0x278 sys/net/if_tun.c:315
if_clone_destroy(ffff8000247397e0) at if_clone_destroy+0x132 sys/net/if.c:1247
ifioctl(fffffd806f194008,80206979,ffff8000247397e0,ffff80002129c360) at ifioctl+0x3b4 sys/net/if.c:1924
sys_ioctl(ffff80002129c360,ffff8000247398f0,ffff800024739940) at sys_ioctl+0x4a2
syscall(ffff8000247399c0) at syscall+0x606 mi_syscall sys/sys/syscall_mi.h:110 [inline]
syscall(ffff8000247399c0) at syscall+0x606 sys/arch/amd64/amd64/trap.c:625
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7fffffbc80, count: 6
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: kernel diagnostic assertion "sc->sc_dev == 0" failed: file "/syzkaller/managers/multicore/kernel/sys/net/if_tun.c", line 315
ddb{1}> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff82751deb) at panic+0x177 sys/kern/subr_prf.c:198
__assert(ffffffff827cd2be,ffffffff82818b32,13b,ffffffff827e01fc) at __assert+0x25 sys/kern/subr_prf.c:157
tun_clone_destroy(ffff800000e80800) at tun_clone_destroy+0x278 sys/net/if_tun.c:315
if_clone_destroy(ffff8000247397e0) at if_clone_destroy+0x132 sys/net/if.c:1247
ifioctl(fffffd806f194008,80206979,ffff8000247397e0,ffff80002129c360) at ifioctl+0x3b4 sys/net/if.c:1924
sys_ioctl(ffff80002129c360,ffff8000247398f0,ffff800024739940) at sys_ioctl+0x4a2
syscall(ffff8000247399c0) at syscall+0x606 mi_syscall sys/sys/syscall_mi.h:110 [inline]
syscall(ffff8000247399c0) at syscall+0x606 sys/arch/amd64/amd64/trap.c:625
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7fffffbc80, count: -9
ddb{1}> show registers
rdi 0
rsi 0x1
rbp 0xffff800024739590
rbx 0xffff800020d69b8f
rdx 0
rcx 0
rax 0xffff80002129c360
r8 0x101010101010101
r9 0x8080808080808080
r10 0x9f8682df4df932c2
r11 0x2ec9924c2d42d9ce
r12 0xffff800020d69990
r13 0
r14 0
r15 0x1
rip 0xffffffff81b420b8 db_enter+0x18
cs 0x8
rflags 0x246
rsp 0xffff800024739580
ss 0x10
db_enter+0x18: addq $0x8,%rsp
ddb{1}> show proc
PROC (ifconfig) pid=332960 stat=onproc
flags process=2<EXEC> proc=0
pri=81, usrpri=81, nice=20
forw=0xffffffffffffffff, list=0xffff80002129d668,0xffffffff82ca0df8
process=0xffff8000273710e8 user=0xffff800024734000, vmspace=0xfffffd8069625008
estcpu=31, cpticks=1, pctcpu=0.0
user=0, sys=1, intr=0
ddb{1}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
*56500 332960 2391 0 7 0x2 ifconfig
2391 385374 22829 0 3 0x10008a sigsusp sh
22829 428785 34665 0 3 0x82 wait syz-executor.0
44072 237500 34665 0 3 0x82 piperd syz-executor.7
53314 228062 34665 0 3 0x82 nanoslp syz-executor.2
41428 433573 34665 0 3 0x82 piperd syz-executor.5
52197 453013 34665 0 3 0x82 piperd syz-executor.6
43925 417276 34665 0 3 0x82 piperd syz-executor.3
42707 419964 34665 0 3 0x82 piperd syz-executor.4
13893 131694 0 0 3 0x14200 acct acct
18316 499219 34665 0 3 0x82 piperd syz-executor.1
74636 308250 0 0 3 0x14280 nfsidl nfsio
80251 319874 0 0 3 0x14280 nfsidl nfsio
16735 129667 0 0 3 0x14280 nfsidl nfsio
28668 99179 0 0 3 0x14280 nfsidl nfsio
42603 261517 0 0 3 0x14280 nfsidl nfsio
54771 418787 0 0 3 0x14280 nfsidl nfsio
15194 212817 0 0 3 0x14280 nfsidl nfsio
79630 76422 0 0 3 0x14280 nfsidl nfsio
12800 249372 0 0 3 0x14280 nfsidl nfsio
39686 45377 0 0 3 0x14280 nfsidl nfsio
4312 423929 0 0 3 0x14280 nfsidl nfsio
71424 36935 0 0 3 0x14280 nfsidl nfsio
16094 499810 0 0 3 0x14280 nfsidl nfsio
83267 85543 0 0 3 0x14280 nfsidl nfsio
70097 21340 0 0 3 0x14280 nfsidl nfsio
43428 337572 0 0 3 0x14280 nfsidl nfsio
40529 303733 0 0 3 0x14280 nfsidl nfsio
72476 319131 0 0 3 0x14280 nfsidl nfsio
36557 305338 0 0 3 0x14280 nfsidl nfsio
99657 366734 0 0 3 0x14280 nfsidl nfsio
87226 146259 0 0 3 0x14200 bored sosplice
34665 467811 23465 0 3 0x82 thrsleep syz-fuzzer
34665 365614 23465 0 3 0x4000082 nanoslp syz-fuzzer
34665 16387 23465 0 3 0x4000082 wait syz-fuzzer
34665 203203 23465 0 3 0x4000082 thrsleep syz-fuzzer
34665 157614 23465 0 3 0x4000082 wait syz-fuzzer
34665 175722 23465 0 3 0x4000082 thrsleep syz-fuzzer
34665 29061 23465 0 3 0x4000082 thrsleep syz-fuzzer
34665 228103 23465 0 3 0x4000082 thrsleep syz-fuzzer
34665 480166 23465 0 3 0x4000082 wait syz-fuzzer
34665 413051 23465 0 3 0x4000082 wait syz-fuzzer
34665 58748 23465 0 3 0x4000082 thrsleep syz-fuzzer
34665 143190 23465 0 3 0x4000082 wait syz-fuzzer
34665 438670 23465 0 3 0x4000082 wait syz-fuzzer
34665 444010 23465 0 3 0x4000082 wait syz-fuzzer
34665 237288 23465 0 3 0x4000082 wait syz-fuzzer
34665 139670 23465 0 3 0x4000082 kqread syz-fuzzer
23465 461096 4477 0 3 0x10008a sigsusp ksh
4477 310928 21470 0 3 0x9a kqread sshd
34183 493265 1 0 3 0x100083 ttyopn getty
21470 40595 1 0 3 0x88 kqread sshd
85728 217443 80784 74 3 0x1100092 bpf pflogd
80784 71840 1 0 3 0x80 netio pflogd
42783 430007 38133 73 3 0x1100090 kqread syslogd
38133 240258 1 0 3 0x100082 netio syslogd
87682 478834 1 0 3 0x100080 kqread resolvd
6222 403876 986 77 7 0x100012 dhcpleased
62681 478908 986 77 3 0x100092 kqread dhcpleased
986 80371 1 0 3 0x80 kqread dhcpleased
54478 411096 0 0 3 0x14200 bored smr
24420 27063 0 0 3 0x14200 pgzero zerothread
46982 81039 0 0 3 0x14200 aiodoned aiodoned
68350 116522 0 0 3 0x14200 syncer update
39151 377034 0 0 3 0x14200 cleaner cleaner
99691 191842 0 0 3 0x14200 reaper reaper
78438 229524 0 0 3 0x14200 pgdaemon pagedaemon
23215 248009 0 0 3 0x14200 bored viomb
65008 96642 0 0 3 0x40014200 acpi0 acpi0
47188 193042 0 0 3 0x40014200 idle1
62859 410080 0 0 3 0x14200 bored softnet
84053 133093 0 0 3 0x14200 bored softnet
60372 329037 0 0 3 0x14200 bored softnet
80141 193326 0 0 3 0x14200 bored softnet
13310 291558 0 0 3 0x14200 bored systqmp
2100 515373 0 0 3 0x14200 bored systq
70662 139448 0 0 3 0x40014200 bored softclock
28056 222352 0 0 3 0x40014200 idle0
1 401862 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{1}> show all locks
ddb{1}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 10230 6513K 7070K 78643K 21998 0
pcb 13 18K 23K 78643K 858 0
rtable 169 15K 17K 78643K 1907 0
ifaddr 75 26K 30K 78643K 834 0
sysctl 3 1K 1K 78643K 3 0
counters 56 35K 36K 78643K 830 0
ioctlops 0 0K 4K 78643K 2099 0
iov 0 0K 36K 78643K 1322 0
mount 1 1K 1K 78643K 1 0
log 0 0K 0K 78643K 4 0
vnodes 1520 95K 95K 78643K 6394 0
UFS quota 1 32K 32K 78643K 1 0
UFS mount 5 36K 36K 78643K 5 0
shm 2 1K 5K 78643K 46 0
VM map 2 1K 1K 78643K 2 0
sem 12 0K 0K 78643K 2203 0
dirhash 12 2K 2K 78643K 12 0
ACPI 1697 195K 286K 78643K 12548 0
file desc 13 45K 89K 78643K 7855 0
sigio 0 0K 0K 78643K 94 0
proc 83 104K 116K 78643K 1646 0
subproc 104 6K 6K 78643K 494 0
NFS srvsock 1 0K 0K 78643K 1 0
NFS daemon 1 16K 16K 78643K 1 0
ip_moptions 0 0K 0K 78643K 403 0
in_multi 66 4K 7K 78643K 628 0
ether_multi 1 0K 0K 78643K 67 0
mrt 1 0K 0K 78643K 53 0
ISOFS mount 1 32K 32K 78643K 1 0
MSDOSFS mount 1 16K 16K 78643K 1 0
ttys 181 811K 811K 78643K 181 0
exec 0 0K 1K 78643K 1575 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 8 62K 64K 78643K 10 0
UVM amap 364 94K 107K 78643K 55494 0
UVM aobj 131 8K 8K 78643K 145 0
memdesc 1 4K 4K 78643K 1 0
crypto data 1 1K 1K 78643K 1 0
ip6_options 0 0K 0K 78643K 402 0
NDP 13 0K 1K 78643K 276 0
temp 133 5778K 71440K 78643K 83362 0
kqueue 12 18K 26K 78643K 620 0
SYN cache 2 16K 16K 78643K 2 0
ddb{1}> 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 120 693 0 690 12 11 1 3 0 8 0
rtentry 112 556 0 487 4 1 3 4 0 8 0
unpcb 144 5337 0 5322 64 63 1 8 0 8 0
syncache 296 30 0 30 9 9 0 1 0 8 0
tcpqe 32 494 0 494 6 6 0 1 0 8 0
tcpcb 776 2030 0 2026 77 76 1 14 0 8 0
arp 120 81 0 70 1 0 1 1 0 8 0
inpcb 368 6532 0 6524 124 120 4 14 0 8 3
nd6 48 127 0 110 1 0 1 1 0 8 0
pkpcb 40 11 0 11 3 2 1 1 0 8 1
kcovpl 48 38 0 30 1 0 1 1 0 8 0
mppekey 1024 12 0 12 5 5 0 1 0 8 0
ppxss 1256 287 0 287 14 13 1 1 0 8 1
pppxif 1456 91 0 91 8 8 0 1 0 8 0
pfstscr 40 22 0 22 5 5 0 1 0 8 0
pffrag 232 94 0 92 1 0 1 1 0 482 0
pffrnode 88 92 0 90 1 0 1 1 0 8 0
pffrent 40 477 0 475 1 0 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
pfanchor 1280 540 0 273 32 8 24 28 0 8 0
pfstitem 24 26 0 24 1 0 1 1 0 8 0
pfstkey 128 50 0 46 1 0 1 1 0 8 0
pfstate 384 32 0 30 2 1 1 2 0 8 0
pfrule 1344 21 0 20 2 1 1 2 0 8 0
rttmr 136 9 0 9 4 4 0 1 0 8 0
art_heap8 4096 6 0 5 4 3 1 2 0 8 0
art_heap4 256 2461 0 2138 42 17 25 30 0 8 0
art_table 32 2467 0 2143 4 0 4 4 0 8 0
art_node 16 544 0 485 1 0 1 1 0 8 0
sysvmsgpl 40 5 0 5 1 1 0 1 0 8 0
semupl 112 5 0 5 1 1 0 1 0 8 0
semapl 112 2201 0 2191 1 0 1 1 0 8 0
shmpl 112 142 0 14 4 0 4 4 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 11650 0 10195 92 0 92 92 0 8 0
ffsino 272 11650 0 10195 98 0 98 98 0 8 0
nchpl 144 22484 0 20839 63 0 63 63 0 8 0
rtmask 32 4 0 4 2 1 1 1 0 8 1
uvmvnodes 80 5926 0 0 121 0 121 121 0 8 0
vnodes 216 5926 0 0 330 0 330 330 0 8 0
namei 1024 83569 0 83569 4 3 1 2 0 8 1
percpumem 16 428 0 387 1 0 1 1 0 8 0
vmpool 696 55 0 55 8 7 1 1 0 8 1
kstatmem 264 384 0 358 4 1 3 3 0 8 0
scsiplug 72 3 0 3 1 1 0 1 0 8 0
scxspl 216 69581 0 69581 25 24 1 8 0 8 1
plimitpl 152 1091 0 1075 1 0 1 1 0 8 0
sigapl 424 8127 0 8062 11 3 8 8 0 8 0
futexpl 64 71300 0 71300 4 3 1 1 0 8 1
knotepl 120 834 0 0 17 0 17 17 0 8 0
kqueuepl 216 1396 0 1388 23 22 1 5 0 8 0
pipepl 320 2237 0 2209 60 57 3 13 0 8 0
fdescpl 496 8087 0 8061 6 2 4 5 0 8 0
filepl 152 58378 0 58138 107 92 15 26 0 8 5
lockfpl 104 2053 0 2051 3 2 1 2 0 8 0
lockfspl 48 859 0 857 1 0 1 1 0 8 0
sessionpl 144 54 0 37 1 0 1 1 0 8 0
pgrppl 48 262 0 245 1 0 1 1 0 8 0
ucredpl 104 5993 0 5981 1 0 1 1 0 8 0
zombiepl 144 8063 0 8062 2 1 1 1 0 8 0
processpl 1072 8127 0 8062 6 1 5 5 0 8 0
procpl 696 22046 0 21966 22 12 10 10 0 8 0
srpgc 96 37 0 37 13 13 0 1 0 8 0
sosppl 168 68 0 68 12 12 0 1 0 8 0
sockpl 488 12579 0 12553 320 311 9 40 0 8 5
mcl64k 65536 20 0 0 3 1 2 3 0 8 0
mcl16k 16384 25 0 0 4 1 3 3 0 8 0
mcl12k 12288 17 0 0 2 0 2 2 0 8 0
mcl9k 9216 17 0 0 2 0 2 2 0 8 0
mcl8k 8192 25 0 0 4 1 3 3 0 8 0
mcl4k 4096 25 0 0 3 0 3 3 0 8 0
mcl2k2 2112 5 0 0 1 0 1 1 0 8 0
mcl2k 2048 492 0 0 54 11 43 54 0 8 0
mtagpl 96 378 0 0 6 0 6 6 0 8 0
mbufpl 256 1475 0 0 69 0 69 69 0 8 0
bufpl 288 15263 0 8938 453 1 452 453 0 8 0
anonpl 24 1670275 0 1654532 259 130 129 148 0 186 0
amapchunkpl 152 156618 0 155877 78 40 38 49 0 158 0
amappl16 200 15492 0 14945 135 105 30 43 0 8 0
amappl15 192 5 0 5 1 1 0 1 0 8 0
amappl14 184 287 0 268 2 0 2 2 0 8 0
amappl13 176 9 0 9 1 1 0 1 0 8 0
amappl12 168 778 0 771 1 0 1 1 0 8 0
amappl11 160 49 0 35 1 0 1 1 0 8 0
amappl10 152 69 0 56 1 0 1 1 0 8 0
amappl9 144 1014 0 1012 1 0 1 1 0 8 0
amappl8 136 490 0 393 4 0 4 4 0 8 0
amappl7 128 249 0 220 2 0 2 2 0 8 0
amappl6 120 366 0 347 2 1 1 2 0 8 0
amappl5 112 341 0 329 1 0 1 1 0 8 0
amappl4 104 945 0 900 5 3 2 2 0 8 0
amappl3 96 23787 0 23740 2 0 2 2 0 8 0
amappl2 88 8851 0 8771 3 1 2 3 0 8 0
amappl1 80 187187 0 186469 28 10 18 28 0 8 0
amappl 88 54448 0 54245 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 72 144 0 14 3 0 3 3 0 8 0
uaddrrnd 24 8143 0 8117 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 8143 0 8117 1 0 1 1 0 8 0
vmmpekpl 168 66474 0 66407 4 0 4 4 0 8 0
vmmpepl 168 752089 0 749428 276 121 155 168 0 357 9
vmsppl 440 8142 0 8117 7 3 4 5 0 8 0
rwobjpl 56 203983 0 196137 136 22 114 115 0 8 0
pdppl 4096 16293 0 16234 485 416 69 81 0 8 10
pvpl 32 3293866 0 3272673 518 294 224 343 0 265 0
pmappl 248 8142 0 8117 3 1 2 3 0 8 0
extentpl 40 56 0 38 1 0 1 1 0 8 0
phpool 112 1464 0 594 26 0 26 26 0 8 0
ddb{1}> machine ddbcpu 0
Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp
x86_ipi_db(ffffffff82b24ff0) 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
__mp_lock(ffffffff82db6020) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline]
__mp_lock(ffffffff82db6020) at __mp_lock+0x122 sys/kern/kern_lock.c:147
softintr_dispatch(0) at softintr_dispatch+0x4e sys/arch/amd64/amd64/softintr.c:88
Xsoftclock() at Xsoftclock+0x1f
__mp_lock(ffffffff82db6020) at __mp_lock+0x12e __mp_lock_spin sys/kern/kern_lock.c:116 [inline]
__mp_lock(ffffffff82db6020) at __mp_lock+0x12e sys/kern/kern_lock.c:147
syscall(ffff800021209cf0) at syscall+0x5cd mi_syscall sys/sys/syscall_mi.h:110 [inline]
syscall(ffff800021209cf0) at syscall+0x5cd sys/arch/amd64/amd64/trap.c:625
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffc4700, count: 6
ddb{0}> trace
x86_ipi_db(ffffffff82b24ff0) 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
__mp_lock(ffffffff82db6020) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline]
__mp_lock(ffffffff82db6020) at __mp_lock+0x122 sys/kern/kern_lock.c:147
softintr_dispatch(0) at softintr_dispatch+0x4e sys/arch/amd64/amd64/softintr.c:88
Xsoftclock() at Xsoftclock+0x1f
__mp_lock(ffffffff82db6020) at __mp_lock+0x12e __mp_lock_spin sys/kern/kern_lock.c:116 [inline]
__mp_lock(ffffffff82db6020) at __mp_lock+0x12e sys/kern/kern_lock.c:147
syscall(ffff800021209cf0) at syscall+0x5cd mi_syscall sys/sys/syscall_mi.h:110 [inline]
syscall(ffff800021209cf0) at syscall+0x5cd sys/arch/amd64/amd64/trap.c:625
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffc4700, count: -9
ddb{0}> machine ddbcpu 1
Stopped at db_enter+0x18: addq $0x8,%rsp
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff82751deb) at panic+0x177 sys/kern/subr_prf.c:198
__assert(ffffffff827cd2be,ffffffff82818b32,13b,ffffffff827e01fc) at __assert+0x25 sys/kern/subr_prf.c:157
tun_clone_destroy(ffff800000e80800) at tun_clone_destroy+0x278 sys/net/if_tun.c:315
if_clone_destroy(ffff8000247397e0) at if_clone_destroy+0x132 sys/net/if.c:1247
ifioctl(fffffd806f194008,80206979,ffff8000247397e0,ffff80002129c360) at ifioctl+0x3b4 sys/net/if.c:1924
sys_ioctl(ffff80002129c360,ffff8000247398f0,ffff800024739940) at sys_ioctl+0x4a2
syscall(ffff8000247399c0) at syscall+0x606 mi_syscall sys/sys/syscall_mi.h:110 [inline]
syscall(ffff8000247399c0) at syscall+0x606 sys/arch/amd64/amd64/trap.c:625
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7fffffbc80, count: 6
ddb{1}> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff82751deb) at panic+0x177 sys/kern/subr_prf.c:198
__assert(ffffffff827cd2be,ffffffff82818b32,13b,ffffffff827e01fc) at __assert+0x25 sys/kern/subr_prf.c:157
tun_clone_destroy(ffff800000e80800) at tun_clone_destroy+0x278 sys/net/if_tun.c:315
if_clone_destroy(ffff8000247397e0) at if_clone_destroy+0x132 sys/net/if.c:1247
ifioctl(fffffd806f194008,80206979,ffff8000247397e0,ffff80002129c360) at ifioctl+0x3b4 sys/net/if.c:1924
sys_ioctl(ffff80002129c360,ffff8000247398f0,ffff800024739940) at sys_ioctl+0x4a2
syscall(ffff8000247399c0) at syscall+0x606 mi_syscall sys/sys/syscall_mi.h:110 [inline]
syscall(ffff8000247399c0) at syscall+0x606 sys/arch/amd64/amd64/trap.c:625
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7fffffbc80, count: -9