login: panic: kernel diagnostic assertion "cifp != NULL" failed: file "/syzkaller/managers/multicore/kernel/sys/net/route.c", line 1089
Stopped at db_enter+0x25: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
*447358 95436 0 0 0x4000000 1 syz-executor
487864 31948 0 0x14000 0x200 0 systqmp
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
panic(ffffffff834c3dd4) at panic+0x1e5 sys/kern/subr_prf.c:198
__assert(ffffffff834ff9fe,ffffffff834896e6,441,ffffffff83531e64) at __assert+0x29 sys/kern/subr_prf.c:-1
rt_hash(1,ffff80002a229568,8) at rt_hash
rt_ifa_add(ffff800001643d00,40004,ffff800001643d78,0) at rt_ifa_add+0x22e sys/net/route.c:1284
in_ifinit(ffff800045fdab60,ffff800001643d00,ffff80002a229730,1) at in_ifinit+0x540 sys/netinet/in.c:-1
pppx_add_session(ffff800001643800,ffff80000164c000) at pppx_add_session+0x47b sys/net/if_pppx.c:717
VOP_IOCTL(fffff4005d6a7630,82907003,ffff80000164c000,1,fffff400097fd618,ffff800045fe6020) at VOP_IOCTL+0xac sys/kern/vfs_vops.c:264
vn_ioctl(fffff40070822780,82907003,ffff80000164c000,ffff800045fe6020) at vn_ioctl+0xf8 sys/kern/vfs_vnops.c:537
sys_ioctl(ffff800045fe6020,ffff80002a229b40,ffff80002a229a90) at sys_ioctl+0x674 sys/kern/sys_generic.c:-1
syscall(ffff80002a229b40) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002a229b40) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:791
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x6aa9023f840, count: 3
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 "cifp != NULL" failed: file "/syzkaller/managers/multicore/kernel/sys/net/route.c", line 1089
ddb{1}> show kasan
No such command
ddb{1}> trace
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
panic(ffffffff834c3dd4) at panic+0x1e5 sys/kern/subr_prf.c:198
__assert(ffffffff834ff9fe,ffffffff834896e6,441,ffffffff83531e64) at __assert+0x29 sys/kern/subr_prf.c:-1
rt_hash(1,ffff80002a229568,8) at rt_hash
rt_ifa_add(ffff800001643d00,40004,ffff800001643d78,0) at rt_ifa_add+0x22e sys/net/route.c:1284
in_ifinit(ffff800045fdab60,ffff800001643d00,ffff80002a229730,1) at in_ifinit+0x540 sys/netinet/in.c:-1
pppx_add_session(ffff800001643800,ffff80000164c000) at pppx_add_session+0x47b sys/net/if_pppx.c:717
VOP_IOCTL(fffff4005d6a7630,82907003,ffff80000164c000,1,fffff400097fd618,ffff800045fe6020) at VOP_IOCTL+0xac sys/kern/vfs_vops.c:264
vn_ioctl(fffff40070822780,82907003,ffff80000164c000,ffff800045fe6020) at vn_ioctl+0xf8 sys/kern/vfs_vnops.c:537
sys_ioctl(ffff800045fe6020,ffff80002a229b40,ffff80002a229a90) at sys_ioctl+0x674 sys/kern/sys_generic.c:-1
syscall(ffff80002a229b40) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002a229b40) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:791
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x6aa9023f840, count: -12
ddb{1}> show registers
rdi 0
rsi 0x1
rbp 0xffff80002a229360
rbx 0xffff80002999ee07
rdx 0xffff8000015fc4c0
rcx 0xffff800045fe6020
rax 0xffff80002999dff0
r8 0x101010101010101
r9 0x8080808080808080
r10 0x324e2922828f652e
r11 0x90a627e4042bd232
r12 0xffff80002999ec08
r13 0
r14 0
r15 0x1
rip 0xffffffff827fe5f5 db_enter+0x25
cs 0x8
rflags 0x246
rsp 0xffff80002a229350
ss 0x10
db_enter+0x25: addq $0x8,%rsp
ddb{1}> show proc
PROC (syz-executor) tid=447358 pid=95436 tcnt=4 stat=onproc
flags process=0 proc=4000000<THREAD>
runpri=32, usrpri=86, slppri=32, nice=20
wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0
forw=0xffffffffffffffff, list=0xffff80003c3d2d28,0xffff800045fe7788
process=0xffff800045fd44f8 user=0xffff80002a224000, vmspace=0xfffff4000b1cb7a0
estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0
ddb{1}> ps
PID TID PPID UID S PRLAGS PFLAGS WAIT COMMAND
95436 134583 61062 0 2 0 0 syz-executor
95436 283834 61062 0 3 0 0x4000080 ttyout syz-executor
*95436 447358 61062 0 7 0 0x4000000 syz-executor
95436 363109 61062 0 3 0 0x4000080 fsleep syz-executor
97197 140949 1 0 3 0 0x80 nanoslp init
56262 53585 39999 0 3 0x1000 0x2000 suspend syz-executor
56262 439309 39999 0 3 0x1000 0x4080000 clonelk syz-executor
43088 133370 0 0 3 0x14000 0x280 nfsidl nfsio
44761 481067 0 0 3 0x14000 0x280 nfsidl nfsio
58933 500262 0 0 3 0x14000 0x280 nfsidl nfsio
37786 422 0 0 3 0x14000 0x280 nfsidl nfsio
9435 332162 0 0 3 0x14000 0x280 nfsidl nfsio
77652 398345 0 0 3 0x14000 0x280 nfsidl nfsio
32378 520558 0 0 3 0x14000 0x280 nfsidl nfsio
93486 74044 0 0 3 0x14000 0x280 nfsidl nfsio
4743 319851 0 0 3 0x14000 0x280 nfsidl nfsio
29586 204175 0 0 3 0x14000 0x280 nfsidl nfsio
1659 89396 0 0 3 0x14000 0x280 nfsidl nfsio
53724 100839 0 0 3 0x14000 0x280 nfsidl nfsio
74590 496275 0 0 3 0x14000 0x280 nfsidl nfsio
24056 443944 0 0 3 0x14000 0x280 nfsidl nfsio
33178 503842 0 0 3 0x14000 0x280 nfsidl nfsio
97691 14607 0 0 3 0x14000 0x280 nfsidl nfsio
40443 5573 0 0 3 0x14000 0x280 nfsidl nfsio
93901 161265 0 0 3 0x14000 0x280 nfsidl nfsio
11573 34945 0 0 3 0x14000 0x280 nfsidl nfsio
79862 114110 0 0 3 0x14000 0x280 nfsidl nfsio
39999 268930 53615 0 3 0x2 0x80 nanoslp syz-executor
58543 200339 53615 0 3 0x2 0x80 piperd syz-executor
44519 510034 53615 0 3 0x2 0x80 piperd syz-executor
61062 425599 53615 0 3 0x2 0x80 nanoslp syz-executor
95055 33011 53615 0 3 0x2 0x80 piperd syz-executor
30137 196697 53615 0 3 0x2 0x80 piperd syz-executor
1417 318424 53615 0 3 0x2 0x80 piperd syz-executor
53615 49474 1 0 3 0x2 0x80 wait syz-executor
46100 212051 1 74 3 0x1100012 0x80 bpf pflogd
57772 183011 1 73 3 0x1100010 0x80 kqread syslogd
69894 180282 0 0 3 0x14000 0x200 pause smr
71405 314065 0 0 3 0x14000 0x200 pgzero zerothread
72376 128438 0 0 3 0x14000 0x200 aiodoned aiodoned
47662 191439 0 0 3 0x14000 0x200 syncer update
5095 364880 0 0 3 0x14000 0x200 cleaner cleaner
92894 17253 0 0 3 0x14000 0x200 reaper reaper
23128 406459 0 0 3 0x14000 0x200 pgdaemon pagedaemon
64881 471554 0 0 3 0x14000 0x200 bored viomb
26945 396469 0 0 3 0x14000 0x40000200 acpi0 acpi0
92383 491288 0 0 3 0x14000 0x40000200 idle1
15661 512907 0 0 3 0x14000 0x200 bored softnet1
48634 212194 0 0 3 0x14000 0x200 bored softnet0
31948 487864 0 0 7 0x14000 0x200 systqmp
14142 424496 0 0 3 0x14000 0x200 bored systq
10673 273085 0 0 3 0x14000 0x200 tmoslp softclockmp
18346 21423 0 0 3 0x14000 0x40000200 tmoslp softclock
16196 153359 0 0 3 0x14000 0x40000200 idle0
1 357099 0 0 3 0x2 0x80 wait init
0 0 -1 0 3 0x10000 0x200 scheduler swapper
ddb{1}> show all locks
Process 95436 (syz-executor) thread 0xffff800045fe6020 (447358)
exclusive rwlock netlock r = 0 (0xffffffff8395b0c0)
#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 pppx_add_session+0x45e sys/net/if_pppx.c:716
#3 VOP_IOCTL+0xac sys/kern/vfs_vops.c:264
#4 vn_ioctl+0xf8 sys/kern/vfs_vnops.c:537
#5 sys_ioctl+0x674 sys/kern/sys_generic.c:-1
#6 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#6 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:791
#7 Xsyscall+0x128
exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83a6eb80)
#0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1 vn_ioctl+0x4d sys/kern/vfs_vnops.c:520
#2 sys_ioctl+0x674 sys/kern/sys_generic.c:-1
#3 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#3 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:791
#4 Xsyscall+0x128
ddb{1}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 11061 12086K 12610K 166960K 12376 0
pcb 19 12K 12K 166960K 47 0
rtable 255 7K 7K 166960K 390 0
pf 45 19K 19K 166960K 68 0
ifaddr 49 8K 8K 166960K 57 0
ifgroup 69 3K 3K 166960K 78 0
sysctl 3 1K 9K 166960K 7 0
counters 80 38K 38K 166960K 92 0
ioctlops 1 1K 4K 166960K 1531 0
iov 0 0K 16K 166960K 3 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1305 82K 82K 166960K 1523 0
UFS quota 1 32K 32K 166960K 1 0
UFS mount 5 36K 36K 166960K 5 0
shm 2 1K 9K 166960K 5 0
VM map 2 1K 1K 166960K 2 0
sem 11 0K 0K 166960K 19 0
dirhash 12 2K 2K 166960K 15 0
ACPI 1692 195K 286K 166960K 12470 0
file desc 12 41K 89K 166960K 295 0
sigio 0 0K 0K 166960K 68 0
proc 11 17K 180K 166960K 573 0
subproc 72 4K 4K 166960K 72 0
NFS srvsock 1 0K 0K 166960K 1 0
NFS daemon 1 16K 16K 166960K 1 0
ip_moptions 0 0K 0K 166960K 31 0
in_multi 100 6K 6K 166960K 104 0
ether_multi 1 0K 0K 166960K 1 0
mrt 1 0K 0K 166960K 10 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 466 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 114 86K 176K 166960K 4577 0
UVM aobj 11 2K 2K 166960K 11 0
pinsyscall 17 34K 104K 166960K 1456 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
ip6_options 0 0K 0K 166960K 6 0
NDP 15 0K 2K 166960K 34 0
temp 41 9122K 9134K 166960K 13665 0
kqueue 4 6K 28K 166960K 69 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 28 0 0 1 0 1 1 0 8 0
rtpcb 120 41 0 41 1 0 1 1 0 8 1
rtentry 176 128 0 10 6 0 6 6 0 8 0
unpcb 144 195 0 188 3 0 3 3 0 8 2
syncache 336 4 0 4 1 1 0 1 0 8 0
tcpcb 736 109 0 108 7 0 7 7 0 8 6
arp 136 22 0 2 1 0 1 1 0 8 0
inpcb 328 325 0 320 7 0 7 7 0 8 6
nd6 152 28 0 1 2 0 2 2 0 8 0
pkpcb 40 3 0 3 1 0 1 1 0 8 1
kcovpl 48 8 0 0 1 0 1 1 0 8 0
ppxss 1192 7 0 5 1 0 1 1 0 8 0
pppxif 1576 4 0 2 1 0 1 1 0 8 0
pfstscr 40 2 0 2 1 0 1 1 0 8 1
pffrag 232 35 0 32 1 0 1 1 0 482 0
pffrnode 88 35 0 32 1 0 1 1 0 8 0
pffrent 40 68 0 65 1 0 1 1 0 8 0
pfosfp 40 1429 0 1005 5 0 5 5 0 8 0
pfosfpen 112 1429 0 714 21 0 21 21 0 8 0
pfstitem 24 39 0 1 1 0 1 1 0 8 0
pfstkey 128 41 0 3 2 0 2 2 0 8 0
pfstate 448 39 0 2 5 0 5 5 0 8 0
pfrule 1360 26 0 21 2 1 1 2 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 502 0 18 31 0 31 31 0 8 0
art_table 40 503 0 18 5 0 5 5 0 8 0
art_node 32 128 0 23 1 0 1 1 0 8 0
sysvmsgpl 40 2 0 2 1 1 0 1 0 8 0
semupl 112 1 0 1 1 0 1 1 0 8 1
semapl 72 15 0 6 1 0 1 1 0 8 0
shmpl 112 8 0 0 1 0 1 1 0 8 0
dirhash 1024 19 0 2 3 0 3 3 0 8 0
dino2pl 256 1866 0 398 93 0 93 93 0 8 0
ffsino 296 1866 0 398 114 0 114 114 0 8 0
nchpl 144 2284 0 581 64 0 64 64 0 8 0
vnodes 216 2058 0 0 115 0 115 115 0 8 0
namei 1024 7504 0 7504 1 0 1 1 0 8 1
percpumem 16 62 0 6 1 0 1 1 0 8 0
kstatmem 264 39 0 6 3 0 3 3 0 8 0
scsiplug 72 1 0 1 1 0 1 1 0 8 1
scxspl 216 7635 0 7635 4 3 1 3 1 8 1
plimitpl 152 83 0 72 1 0 1 1 0 8 0
sigapl 424 634 0 582 8 0 8 8 0 8 0
knotepl 120 578 0 0 18 0 18 18 0 8 0
kqueuepl 224 91 0 87 1 0 1 1 0 8 0
pipepl 344 147 0 120 3 0 3 3 0 8 0
fdescpl 528 598 0 582 3 0 3 3 0 8 0
filepl 160 2990 0 2808 12 0 12 12 0 8 3
lockfpl 104 69 0 68 1 0 1 1 0 8 0
lockfspl 48 33 0 32 1 0 1 1 0 8 0
sessionpl 144 65 0 61 1 0 1 1 0 8 0
pgrppl 48 74 0 62 1 0 1 1 0 8 0
ucredpl 104 295 0 288 1 0 1 1 0 8 0
zombiepl 144 584 0 582 1 0 1 1 0 8 0
processpl 1232 634 0 582 6 0 6 6 0 8 0
procpl 664 907 0 851 7 0 7 7 0 8 0
sockpl 752 571 0 559 10 0 10 10 0 8 8
mcl64k 65536 2 0 0 1 0 1 1 0 8 0
mcl8k 8192 2 0 0 1 0 1 1 0 8 0
mcl4k 4096 119 0 0 15 0 15 15 0 8 0
mcl2k 2048 18 0 0 3 0 3 3 0 8 0
mextrefs 64 15 0 0 1 0 1 1 0 8 0
mtagpl 96 6 0 0 1 0 1 1 0 8 0
mbufpl 256 277 0 0 18 0 18 18 0 8 0
bufpl 272 2684 0 105 172 0 172 172 0 8 0
anonpl 32 3765 0 0 31 0 31 31 0 247 0
amapchunkpl 152 13265 0 13004 23 0 23 23 0 158 5
amappl16 200 1832 0 1817 5 2 3 5 0 8 1
amappl15 192 8 0 8 1 1 0 1 0 8 0
amappl14 184 434 0 433 1 0 1 1 0 8 0
amappl13 176 127 0 125 1 0 1 1 0 8 0
amappl12 168 847 0 833 2 0 2 2 0 8 0
amappl11 160 5 0 5 1 1 0 1 0 8 0
amappl10 152 65 0 61 1 0 1 1 0 8 0
amappl9 144 276 0 276 1 1 0 1 0 8 0
amappl8 136 97 0 96 1 0 1 1 0 8 0
amappl7 128 152 0 145 1 0 1 1 0 8 0
amappl6 120 152 0 152 1 0 1 1 0 8 1
amappl5 112 101 0 99 1 0 1 1 0 8 0
amappl4 104 301 0 292 1 0 1 1 0 8 0
amappl3 96 2357 0 2317 3 0 3 3 0 8 0
amappl2 88 714 0 685 2 0 2 2 0 8 0
amappl1 80 11032 0 10894 16 3 13 15 0 8 3
amappl 88 3834 0 3742 5 0 5 5 0 92 1
uvmvnodes 80 100 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 128 254 0 254 2 1 1 1 0 8 1
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 10 0 0 1 0 1 1 0 8 0
uaddrrnd 24 598 0 582 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 598 0 582 1 0 1 1 0 8 0
vmmpekpl 168 6840 0 6803 2 0 2 2 0 8 0
vmmpepl 168 46429 0 45730 87 0 87 87 0 357 38
vmsppl 488 597 0 582 5 1 4 5 0 8 1
rwobjpl 80 16200 0 15760 24 1 23 24 0 8 1
pdppl 4096 1203 0 1164 95 44 51 83 0 8 12
pvpl 32 10602 0 0 86 0 86 86 0 265 0
pmappl 256 597 0 582 3 0 3 3 0 8 0
extentpl 40 45 0 27 1 0 1 1 0 8 0
phpool 112 455 0 48 12 0 12 12 0 8 0
ddb{1}> machine ddbcpu 0
Stopped at x86_ipi_db+0x27: addq $0x8,%rsp
x86_ipi_db(ffffffff83958ff0) 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(ffffffff83a6e380) at __mp_lock+0x190 __mp_lock_spin sys/kern/kern_lock.c:143 [inline]
__mp_lock(ffffffff83a6e380) at __mp_lock+0x190 sys/kern/kern_lock.c:173
softintr_dispatch(0) at softintr_dispatch+0x125 sys/kern/kern_softintr.c:83
dosoftint(0) at dosoftint+0x54 sys/arch/amd64/amd64/intr.c:862
Xsoftclock() at Xsoftclock+0x27
__sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x38 sys/dev/kcov.c:-1
taskq_next_work(ffffffff839d9e40,ffff80002a1ca3b8) at taskq_next_work+0xa5 sys/kern/kern_task.c:400
taskq_thread(ffffffff839d9e40) at taskq_thread+0x1d5 sys/kern/kern_task.c:439
end trace frame: 0x0, count: 5
ddb{0}> trace
x86_ipi_db(ffffffff83958ff0) 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(ffffffff83a6e380) at __mp_lock+0x190 __mp_lock_spin sys/kern/kern_lock.c:143 [inline]
__mp_lock(ffffffff83a6e380) at __mp_lock+0x190 sys/kern/kern_lock.c:173
softintr_dispatch(0) at softintr_dispatch+0x125 sys/kern/kern_softintr.c:83
dosoftint(0) at dosoftint+0x54 sys/arch/amd64/amd64/intr.c:862
Xsoftclock() at Xsoftclock+0x27
__sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x38 sys/dev/kcov.c:-1
taskq_next_work(ffffffff839d9e40,ffff80002a1ca3b8) at taskq_next_work+0xa5 sys/kern/kern_task.c:400
taskq_thread(ffffffff839d9e40) at taskq_thread+0x1d5 sys/kern/kern_task.c:439
end trace frame: 0x0, count: -10
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(ffffffff834c3dd4) at panic+0x1e5 sys/kern/subr_prf.c:198
__assert(ffffffff834ff9fe,ffffffff834896e6,441,ffffffff83531e64) at __assert+0x29 sys/kern/subr_prf.c:-1
rt_hash(1,ffff80002a229568,8) at rt_hash
rt_ifa_add(ffff800001643d00,40004,ffff800001643d78,0) at rt_ifa_add+0x22e sys/net/route.c:1284
in_ifinit(ffff800045fdab60,ffff800001643d00,ffff80002a229730,1) at in_ifinit+0x540 sys/netinet/in.c:-1
pppx_add_session(ffff800001643800,ffff80000164c000) at pppx_add_session+0x47b sys/net/if_pppx.c:717
VOP_IOCTL(fffff4005d6a7630,82907003,ffff80000164c000,1,fffff400097fd618,ffff800045fe6020) at VOP_IOCTL+0xac sys/kern/vfs_vops.c:264
vn_ioctl(fffff40070822780,82907003,ffff80000164c000,ffff800045fe6020) at vn_ioctl+0xf8 sys/kern/vfs_vnops.c:537
sys_ioctl(ffff800045fe6020,ffff80002a229b40,ffff80002a229a90) at sys_ioctl+0x674 sys/kern/sys_generic.c:-1
syscall(ffff80002a229b40) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002a229b40) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:791
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x6aa9023f840, count: 3
ddb{1}> trace
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
panic(ffffffff834c3dd4) at panic+0x1e5 sys/kern/subr_prf.c:198
__assert(ffffffff834ff9fe,ffffffff834896e6,441,ffffffff83531e64) at __assert+0x29 sys/kern/subr_prf.c:-1
rt_hash(1,ffff80002a229568,8) at rt_hash
rt_ifa_add(ffff800001643d00,40004,ffff800001643d78,0) at rt_ifa_add+0x22e sys/net/route.c:1284
in_ifinit(ffff800045fdab60,ffff800001643d00,ffff80002a229730,1) at in_ifinit+0x540 sys/netinet/in.c:-1
pppx_add_session(ffff800001643800,ffff80000164c000) at pppx_add_session+0x47b sys/net/if_pppx.c:717
VOP_IOCTL(fffff4005d6a7630,82907003,ffff80000164c000,1,fffff400097fd618,ffff800045fe6020) at VOP_IOCTL+0xac sys/kern/vfs_vops.c:264
vn_ioctl(fffff40070822780,82907003,ffff80000164c000,ffff800045fe6020) at vn_ioctl+0xf8 sys/kern/vfs_vnops.c:537
sys_ioctl(ffff800045fe6020,ffff80002a229b40,ffff80002a229a90) at sys_ioctl+0x674 sys/kern/sys_generic.c:-1
syscall(ffff80002a229b40) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002a229b40) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:791
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x6aa9023f840, count: -12
ddb{1}>