uvm_fault(0xffffffff824fdf28, 0xffff800000b48076, 0, 1) -> e
kernel: page fault trap, code=0
Stopped at rtable_satoplen+0x150: movzbl 0xffffffffffffffff(%r13),%r12d
ddb>
ddb> set $lines = 0
ddb> set $maxwidth = 0
ddb> show panic
kernel page fault
uvm_fault(0xffffffff824fdf28, 0xffff800000b48076, 0, 1) -> e
rtable_satoplen(2,ffff800000b47f78) at rtable_satoplen+0x150 sys/net/rtable.c:894
end trace frame: 0xffff8000179782d0, count: 0
ddb> trace
rtable_satoplen(2,ffff800000b47f78) at rtable_satoplen+0x150 sys/net/rtable.c:894
rtable_lookup(0,fffffd802ddb9220,ffff800000b47f78,ffff800000b47f58,4) at rtable_lookup+0xe0 sys/net/rtable.c:391
rtrequest_delete(ffff800017978370,4,ffff800000a6e800,ffff800017978440,0) at rtrequest_delete+0xe3 sys/net/route.c:775
rt_ifa_del(ffff800000b47f00,800100,ffff800000b47f58,0) at rt_ifa_del+0x3c3 sys/net/route.c:1191
in_purgeaddr(ffff800000b47f00) at in_purgeaddr+0xc6 in_remove_prefix sys/netinet/in.c:738 [inline]
in_purgeaddr(ffff800000b47f00) at in_purgeaddr+0xc6 in_ifscrub sys/netinet/in.c:562 [inline]
in_purgeaddr(ffff800000b47f00) at in_purgeaddr+0xc6 sys/netinet/in.c:678
in_ifdetach(ffff800000a6e800) at in_ifdetach+0x74 sys/netinet/in.c:895
if_detach(ffff800000a6e800) at if_detach+0x14d sys/net/if.c:1107
tun_clone_destroy(ffff800000a6e800) at tun_clone_destroy+0x1c0 sys/net/if_tun.c:278
ifioctl(fffffd802dda31a0,80206979,ffff800017978980,ffff8000ffff2c70) at ifioctl+0x3d4 sys/net/if.c:1877
fifo_ioctl(ffff8000179787c8) at fifo_ioctl+0x99 sys/miscfs/fifofs/fifo_vnops.c:276
VOP_IOCTL(fffffd802e530428,80206979,ffff800017978980,3,fffffd803f7c6b40,ffff8000ffff2c70) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:291
vn_ioctl(fffffd8036229878,80206979,ffff800017978980,ffff8000ffff2c70) at vn_ioctl+0xb7 sys/kern/vfs_vnops.c:536
sys_ioctl(ffff8000ffff2c70,ffff800017978a98,ffff800017978ae0) at sys_ioctl+0x5b9
syscall(ffff800017978b60) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555
Xsyscall(6,0,ffffffffffffff36,0,3,2956b600010) at Xsyscall+0x128
end of kernel
end trace frame: 0x2977168c710, count: -15
ddb> show registers
rdi 0
rsi 0xff
rbp 0xffff800017978230
rbx 0xffffffffffffff05
rdx 0xffff800000b47f7c
rcx 0xffff800000b48077
rax 0xffff800000b48077
r8 0x4
r9 0x5
r10 0x516faf3a7b6c8ce8
r11 0x648fd84c6a207572
r12 0
r13 0xffff800000b48077
r14 0xffffffff82480ed8 inetdomain
r15 0x4
rip 0xffffffff818195e0 rtable_satoplen+0x150
cs 0x8
rflags 0x10287 __ALIGN_SIZE+0xf287
rsp 0xffff8000179781e0
ss 0x10
rtable_satoplen+0x150: movzbl 0xffffffffffffffff(%r13),%r12d
ddb> show proc
PROC (syz-executor.0) pid=98196 stat=onproc
flags process=0 proc=4000000<THREAD>
pri=86, usrpri=86, nice=20
forw=0xffffffffffffffff, list=0xffff8000ffff38c8,0xffffffff8255d430
process=0xffff8000ffffb448 user=0xffff800017973000, vmspace=0xfffffd803f013330
estcpu=36, cpticks=1, pctcpu=0.0
user=0, sys=1, intr=0
ddb> ps
PID TID PPID UID S FLAGS WAIT COMMAND
55892 241970 82349 0 2 0 syz-executor.0
*55892 98196 82349 0 7 0x4000000 syz-executor.0
67942 254874 0 0 3 0x14200 acct acct
64164 233506 24949 0 2 0x2 syz-executor.1
82349 34915 24949 0 3 0x82 nanosleep syz-executor.0
43517 62081 0 0 3 0x14200 bored sosplice
24949 308183 82968 0 3 0x82 thrsleep syz-fuzzer
24949 231990 82968 0 3 0x4000082 nanosleep syz-fuzzer
24949 113124 82968 0 3 0x4000082 thrsleep syz-fuzzer
24949 146132 82968 0 3 0x4000082 thrsleep syz-fuzzer
24949 58190 82968 0 3 0x4000082 kqread syz-fuzzer
24949 490747 82968 0 3 0x4000082 thrsleep syz-fuzzer
24949 517061 82968 0 3 0x4000082 thrsleep syz-fuzzer
82968 288450 87727 0 3 0x10008a pause ksh
87727 373477 67357 0 3 0x92 select sshd
78694 19463 1 0 3 0x100083 ttyin getty
67357 519425 1 0 3 0x80 select sshd
67343 74657 58960 73 3 0x100090 kqread syslogd
58960 109086 1 0 3 0x100082 netio syslogd
90353 176779 1 77 2 0x100090 dhclient
93178 257114 1 0 3 0x80 poll dhclient
42209 477864 0 0 2 0x14200 zerothread
91824 495172 0 0 3 0x14200 aiodoned aiodoned
44704 39614 0 0 3 0x14200 syncer update
352 365163 0 0 3 0x14200 cleaner cleaner
22359 318255 0 0 3 0x14200 reaper reaper
38163 58583 0 0 3 0x14200 pgdaemon pagedaemon
47342 410452 0 0 3 0x14200 bored crynlk
53256 520357 0 0 3 0x14200 bored crypto
7429 151989 0 0 3 0x40014200 acpi0 acpi0
42478 522845 0 0 3 0x14200 bored softnet
81781 294442 0 0 3 0x14200 bored systqmp
42950 12991 0 0 3 0x14200 bored systq
26630 266692 0 0 3 0x40014200 bored softclock
83724 282783 0 0 3 0x40014200 idle0
74299 229909 0 0 3 0x14200 bored smr
1 226462 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb> show all locks
No such command
ddb> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim Kern Lim
devbuf 9531 6349K 7214K 78643K 11878 0 0
pcb 13 10K 12K 78643K 149 0 0
rtable 96 11K 13K 78643K 486 0 0
ifaddr 63 13K 14K 78643K 130 0 0
counters 19 16K 16K 78643K 19 0 0
ioctlops 0 0K 2K 78643K 33 0 0
iov 0 0K 24K 78643K 103 0 0
mount 1 1K 1K 78643K 1 0 0
vnodes 1230 77K 77K 78643K 1649 0 0
UFS quota 1 32K 32K 78643K 1 0 0
UFS mount 5 36K 36K 78643K 5 0 0
shm 2 1K 5K 78643K 8 0 0
VM map 10 2K 2K 78643K 10 0 0
sem 12 1K 1K 78643K 134 0 0
dirhash 12 2K 2K 78643K 12 0 0
ACPI 1793 195K 288K 78643K 12645 0 0
file desc 5 13K 25K 78643K 462 0 0
sigio 0 0K 0K 78643K 10 0 0
proc 49 38K 62K 78643K 487 0 0
subproc 32 2K 2K 78643K 68 0 0
NFS srvsock 1 0K 0K 78643K 1 0 0
NFS daemon 1 16K 16K 78643K 1 0 0
ip_moptions 0 0K 2K 78643K 755 0 0
in_multi 22 1K 2K 78643K 68 0 0
ether_multi 1 0K 0K 78643K 3 0 0
mrt 0 0K 0K 78643K 2 0 0
ISOFS mount 1 32K 32K 78643K 1 0 0
MSDOSFS mount 1 16K 16K 78643K 1 0 0
ttys 108 477K 477K 78643K 108 0 0
exec 0 0K 1K 78643K 255 0 0
pagedep 1 8K 8K 78643K 1 0 0
inodedep 1 32K 32K 78643K 1 0 0
newblk 1 0K 0K 78643K 1 0 0
VM swap 7 26K 26K 78643K 7 0 0
UVM amap 113 70K 71K 78643K 2021 0 0
UVM aobj 39 2K 2K 78643K 39 0 0
memdesc 1 4K 4K 78643K 1 0 0
crypto data 1 1K 1K 78643K 1 0 0
ip6_options 0 0K 0K 78643K 115 0 0
NDP 14 0K 0K 78643K 39 0 0
temp 187 3544K 3614K 78643K 9359 0 0
SYN cache 2 16K 16K 78643K 2 0 0
ddb> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
arp 64 16 0 11 1 0 1 1 0 8 0
rtpcb 80 73 0 71 1 0 1 1 0 8 0
rtentry 112 85 0 50 2 0 2 2 0 8 0
unpcb 120 267 0 255 1 0 1 1 0 8 0
syncache 264 7 0 7 3 2 1 1 0 8 1
tcpqe 32 184 0 184 2 1 1 1 0 8 1
tcpcb 544 432 0 428 14 5 9 13 0 8 8
ipq 40 2 0 2 1 1 0 1 0 8 0
ipqe 40 80 0 80 1 1 0 1 0 8 0
inpcb 280 1227 0 1220 12 3 9 9 0 8 8
nd6 48 8 0 6 1 0 1 1 0 8 0
ppxss 1128 8 0 8 4 3 1 1 0 8 1
art_heap8 4096 5 0 4 3 2 1 3 0 8 0
art_heap4 256 355 0 178 16 2 14 14 0 8 2
art_table 32 360 0 182 2 0 2 2 0 8 0
art_node 16 84 0 52 1 0 1 1 0 8 0
sysvmsgpl 40 32 0 31 2 1 1 1 0 8 0
semupl 112 2 0 2 1 1 0 1 0 8 0
semapl 112 132 0 122 1 0 1 1 0 8 0
shmpl 112 37 0 0 2 0 2 2 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino1pl 128 2073 0 673 46 0 46 46 0 8 0
ffsino 240 2073 0 673 83 0 83 83 0 8 0
nchpl 144 3045 0 1449 60 0 60 60 0 8 0
uvmvnodes 72 2444 0 0 45 0 45 45 0 8 0
vnodes 208 2444 0 0 129 0 129 129 0 8 0
namei 1024 8702 0 8701 2 1 1 1 0 8 0
vcpupl 1984 8 0 0 1 0 1 1 0 8 0
vmpool 520 8 0 0 1 0 1 1 0 8 0
scxspl 192 11967 0 11967 11 8 3 7 0 8 3
plimitpl 152 72 0 65 1 0 1 1 0 8 0
sigapl 432 627 0 614 2 0 2 2 0 8 0
futexpl 56 12820 0 12820 2 1 1 1 0 8 1
knotepl 112 131 0 112 1 0 1 1 0 8 0
kqueuepl 104 222 0 220 4 0 4 4 0 8 3
pipepl 112 474 0 455 3 1 2 2 0 8 1
fdescpl 424 628 0 614 2 0 2 2 0 8 0
filepl 120 5269 0 5173 14 3 11 11 0 8 8
lockfpl 104 158 0 157 1 0 1 1 0 8 0
lockfspl 48 49 0 48 1 0 1 1 0 8 0
sessionpl 112 19 0 9 1 0 1 1 0 8 0
pgrppl 48 21 0 11 1 0 1 1 0 8 0
ucredpl 96 577 0 570 1 0 1 1 0 8 0
zombiepl 144 614 0 614 1 0 1 1 0 8 1
processpl 864 644 0 614 4 0 4 4 0 8 0
procpl 632 1199 0 1162 4 0 4 4 0 8 0
sosppl 128 9 0 9 3 2 1 1 0 8 1
sockpl 384 1567 0 1546 17 6 11 14 0 8 8
mcl64k 65536 295 0 295 33 9 24 32 0 8 24
mcl16k 16384 8 0 8 3 2 1 1 0 8 1
mcl12k 12288 15 0 15 2 1 1 1 0 8 1
mcl9k 9216 8 0 8 3 2 1 1 0 8 1
mcl8k 8192 24 0 24 2 1 1 1 0 8 1
mcl4k 4096 57 0 57 3 2 1 1 0 8 1
mcl2k2 2112 3 0 3 2 2 0 1 0 8 0
mcl2k 2048 67455 0 67404 21 14 7 18 0 8 0
mtagpl 80 27 0 27 2 1 1 1 0 8 1
mbufpl 256 111643 0 111579 33 17 16 22 0 8 8
bufpl 256 8471 0 2385 381 0 381 381 0 8 0
anonpl 16 98874 0 79630 103 13 90 92 0 62 11
amapchunkpl 152 3846 0 3723 38 24 14 35 0 158 8
amappl16 192 4037 0 2953 78 15 63 66 0 8 8
amappl15 184 142 0 141 1 0 1 1 0 8 0
amappl14 176 102 0 98 1 0 1 1 0 8 0
amappl13 168 2 0 2 1 1 0 1 0 8 0
amappl12 160 65 0 61 1 0 1 1 0 8 0
amappl11 152 53 0 42 1 0 1 1 0 8 0
amappl10 144 10 0 9 1 0 1 1 0 8 0
amappl9 136 604 0 598 1 0 1 1 0 8 0
amappl8 128 174 0 144 1 0 1 1 0 8 0
amappl7 120 52 0 46 1 0 1 1 0 8 0
amappl6 112 79 0 69 1 0 1 1 0 8 0
amappl5 104 207 0 196 1 0 1 1 0 8 0
amappl4 96 725 0 699 1 0 1 1 0 8 0
amappl3 88 306 0 296 1 0 1 1 0 8 0
amappl2 80 4241 0 4171 3 1 2 3 0 8 0
amappl1 72 21207 0 20804 27 18 9 20 0 8 0
amappl 80 1477 0 1437 1 0 1 1 0 84 0
dma4096 4096 1 0 1 1 1 0 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 17 0 17 1 1 0 1 0 8 0
aobjpl 64 38 0 0 1 0 1 1 0 8 0
uaddrrnd 24 636 0 614 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 636 0 614 1 0 1 1 0 8 0
vmmpekpl 168 8379 0 8353 2 0 2 2 0 8 0
vmmpepl 168 83773 0 81627 171 37 134 135 0 357 38
vmsppl 272 627 0 614 2 1 1 2 0 8 0
pdppl 4096 1278 0 1236 7 1 6 6 0 8 0
pvpl 32 291816 0 269526 329 35 294 318 0 265 112
pmappl 200 635 0 614 2 0 2 2 0 8 0
extentpl 40 41 0 26 1 0 1 1 0 8 0
phpool 112 608 0 59 16 0 16 16 0 8 0