kernel: protection fault trap, code=0
Stopped at icmp_mtudisc_timeout+0xc1: movq 0(%rax),%rcx
ddb{1}>
ddb{1}> set $lines = 0
ddb{1}> set $maxwidth = 0
ddb{1}> show panic
the kernel did not panic
ddb{1}> trace
icmp_mtudisc_timeout(fffffd807e64c9b8,0) at icmp_mtudisc_timeout+0xc1 sys/netinet/ip_icmp.c:1072
rt_timer_queue_flush(ffffffff82d5f688) at rt_timer_queue_flush+0x1f8 sys/net/route.c:1541
ip_sysctl(ffff80002f40efbc,1,0,ffff80002f40efe8,20001100,4) at ip_sysctl+0x55b sys/netinet/ip_input.c:1659
sys_sysctl(ffff80002a1da010,ffff80002f40f120,ffff80002f40f080) at sys_sysctl+0x217 sys/kern/kern_sysctl.c:254
syscall(ffff80002f40f120) at syscall+0x53b mi_syscall sys/sys/syscall_mi.h:183 [inline]
syscall(ffff80002f40f120) at syscall+0x53b sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xaf89016c270, count: -6
ddb{1}> show registers
rdi 0x14
rsi 0x14
rbp 0xffff80002f40eea0
rbx 0x3
rdx 0xffff800000dfc940
rcx 0xffff80002a1da010
rax 0xa5fe52401bacc341
r8 0xffffffff824de5e0 tcp_mtudisc_increase
r9 0
r10 0xff71b19523e0ece5
r11 0x6eb2b41fc9f8d0
r12 0xffff8000001a02a8
r13 0x14
r14 0
r15 0xfffffd807e64c9b8
rip 0xffffffff810e7f11 icmp_mtudisc_timeout+0xc1
cs 0x8
rflags 0x10246 __ALIGN_SIZE+0xf246
rsp 0xffff80002f40ee50
ss 0x10
icmp_mtudisc_timeout+0xc1: movq 0(%rax),%rcx
ddb{1}> show proc
PROC (syz-executor.1) tid=473769 pid=32940 tcnt=2 stat=onproc
flags process=0 proc=4000000<THREAD>
runpri=83, usrpri=83, slppri=17, nice=20
wchan=0x0, wmesg=, ps_single=0x0
forw=0xffffffffffffffff, list=0xffff80002a22d550,0xffffffff82d794e0
process=0xffff80002ef739e0 user=0xffff80002f40a000, vmspace=0xfffffd8058b26aa0
estcpu=36, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0
ddb{1}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
32940 382457 25306 0 2 0 syz-executor.1
*32940 473769 25306 0 7 0x4000000 syz-executor.1
92056 125788 61197 0 2 0 syz-executor.0
92056 242404 61197 0 3 0x4000080 bell syz-executor.0
92056 191286 61197 0 7 0x4000000 syz-executor.0
92056 487344 61197 0 3 0x4000080 rest syz-executor.0
66160 320925 82731 0 2 0 syz-executor.6
66160 144435 82731 0 2 0x4000000 syz-executor.6
32246 418456 22948 0 3 0x80 nanoslp syz-executor.5
32246 342839 22948 0 3 0x4000080 kqsel syz-executor.5
32246 351275 22948 0 3 0x4000080 kqsel syz-executor.5
32246 345608 22948 0 3 0x4000080 fsleep syz-executor.5
64148 370221 74980 60928 3 0x90 nanoslp syz-executor.2
64148 220072 74980 60928 3 0x4000090 fsleep syz-executor.2
64148 263135 74980 60928 3 0x4000090 pipewr syz-executor.2
99665 55941 86259 0 3 0x2 biowait syz-executor.7
74980 336015 86259 0 3 0x82 nanoslp syz-executor.2
82731 11073 86259 0 3 0x82 nanoslp syz-executor.6
62652 54866 0 0 3 0x14200 acct acct
61197 262260 86259 0 3 0x82 nanoslp syz-executor.0
5942 362740 86259 0 2 0x2 syz-executor.3
25306 306986 86259 0 3 0x82 nanoslp syz-executor.1
2102 191230 86259 0 3 0x82 nanoslp syz-executor.4
22948 374381 86259 0 3 0x82 nanoslp syz-executor.5
43601 357566 1 0 3 0x80 fsleep syz-executor.4
43601 172435 1 0 3 0x4000080 netio syz-executor.4
1753 156435 1 0 3 0x80 fsleep syz-executor.4
1753 156277 1 0 3 0x4000080 kqread syz-executor.4
33576 198084 0 0 3 0x14280 nfsidl nfsio
51993 419582 0 0 3 0x14280 nfsidl nfsio
63264 81407 0 0 3 0x14280 nfsidl nfsio
54713 311220 0 0 3 0x14280 nfsidl nfsio
53623 500387 0 0 3 0x14280 nfsidl nfsio
80641 222872 0 0 3 0x14280 nfsidl nfsio
48063 472710 0 0 3 0x14280 nfsidl nfsio
54691 37572 0 0 3 0x14280 nfsidl nfsio
73302 162695 0 0 3 0x14280 nfsidl nfsio
50015 473389 0 0 3 0x14280 nfsidl nfsio
51156 436526 0 0 3 0x14280 nfsidl nfsio
34796 520071 0 0 3 0x14280 nfsidl nfsio
17963 75827 0 0 3 0x14280 nfsidl nfsio
10761 355967 0 0 3 0x14280 nfsidl nfsio
78560 189155 0 0 3 0x14280 nfsidl nfsio
2345 85067 0 0 3 0x14280 nfsidl nfsio
11729 258465 0 0 3 0x14280 nfsidl nfsio
65319 188714 0 0 3 0x14280 nfsidl nfsio
96907 409486 0 0 3 0x14280 nfsidl nfsio
79006 388447 0 0 3 0x14280 nfsidl nfsio
30620 315512 1 0 3 0x18100083 ttyin getty
15976 384657 0 0 3 0x14200 bored sosplice
86259 485460 75467 0 3 0x1a000082 kqread syz-fuzzer
86259 374523 75467 0 3 0x1e000082 nanoslp syz-fuzzer
86259 348687 75467 0 3 0x1e000082 wait syz-fuzzer
86259 112968 75467 0 3 0x1e000082 thrsleep syz-fuzzer
86259 282118 75467 0 3 0x1e000082 thrsleep syz-fuzzer
86259 464028 75467 0 3 0x1e000082 wait syz-fuzzer
86259 245836 75467 0 3 0x1e000082 thrsleep syz-fuzzer
86259 184816 75467 0 3 0x1e000082 wait syz-fuzzer
86259 437725 75467 0 3 0x1e000082 wait syz-fuzzer
86259 401547 75467 0 3 0x1e000082 wait syz-fuzzer
86259 170917 75467 0 3 0x1e000082 thrsleep syz-fuzzer
86259 462817 75467 0 3 0x1e000082 wait syz-fuzzer
86259 113225 75467 0 3 0x1e000082 wait syz-fuzzer
86259 208526 75467 0 3 0x1e000082 thrsleep syz-fuzzer
86259 137676 75467 0 3 0x1e000082 wait syz-fuzzer
86259 513162 75467 0 3 0x1e000082 thrsleep syz-fuzzer
75467 37842 56863 0 3 0x810008a sigsusp ksh
56863 156318 20909 0 3 0x1800009a kqread sshd
20909 137370 1 0 3 0x18000088 kqread sshd
83645 229540 94660 74 3 0x19100092 bpf pflogd
94660 238383 1 0 3 0x18000080 netio pflogd
27357 187365 52057 73 3 0x19100090 kqread syslogd
52057 293481 1 0 3 0x18100082 netio syslogd
59795 239615 1 0 3 0x18100080 kqread resolvd
82528 167346 55269 77 3 0x18100092 kqread dhcpleased
24189 317632 55269 77 3 0x18100092 kqread dhcpleased
55269 4208 1 0 3 0x18000080 kqread dhcpleased
8257 215140 0 0 3 0x14200 bored smr
20870 32580 0 0 2 0x14200 zerothread
10448 39980 0 0 3 0x14200 aiodoned aiodoned
68348 245429 0 0 3 0x14200 syncer update
95073 95550 0 0 3 0x14200 cleaner cleaner
554 102495 0 0 3 0x14200 reaper reaper
87432 125878 0 0 3 0x14200 pgdaemon pagedaemon
23395 493696 0 0 3 0x14200 bored viomb
890 4691 0 0 3 0x40014200 acpi0 acpi0
75256 314500 0 0 3 0x40014200 idle1
97538 285277 0 0 3 0x14200 bored softnet3
16408 187132 0 0 3 0x14200 bored softnet2
67807 301205 0 0 3 0x14200 bored softnet1
24698 79010 0 0 3 0x14200 bored softnet0
31307 350887 0 0 3 0x14200 bored systqmp
95896 20137 0 0 3 0x14200 bored systq
43954 467171 0 0 3 0x14200 tmoslp softclockmp
16561 104147 0 0 3 0x40014200 tmoslp softclock
67406 434358 0 0 3 0x40014200 idle0
1 43113 0 0 3 0x8080082 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{1}> show all locks
Process 32940 (syz-executor.1) thread 0xffff80002a1da010 (473769)
exclusive rwlock netlock r = 0 (0xffffffff82d15f30)
#0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x446 sys/kern/subr_witness.c:1187
#1 ip_sysctl+0x34e sys/netinet/ip_input.c:1656
#2 sys_sysctl+0x217 sys/kern/kern_sysctl.c:254
#3 syscall+0x53b mi_syscall sys/sys/syscall_mi.h:183 [inline]
#3 syscall+0x53b sys/arch/amd64/amd64/trap.c:577
#4 Xsyscall+0x128
exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82d60cf8)
#0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x446 sys/kern/subr_witness.c:1187
#1 syscall+0x522 mi_syscall sys/sys/syscall_mi.h:183 [inline]
#1 syscall+0x522 sys/arch/amd64/amd64/trap.c:577
#2 Xsyscall+0x128
Process 99665 (syz-executor.7) thread 0xffff80002a1da2b8 (55941)
exclusive rrwlock inode r = 0 (0xfffffd805a7172c8)
#0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x446 sys/kern/subr_witness.c:1187
#1 rw_enter+0x32a sys/kern/kern_rwlock.c:309
#2 rrw_enter+0x8e sys/kern/kern_rwlock.c:464
#3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:518
#4 ufs_ihashins+0x46
#5 ffs_vget+0x141 sys/ufs/ffs/ffs_vfsops.c:1230
#6 ffs_inode_alloc+0x1e4 sys/ufs/ffs/ffs_alloc.c:393
#7 ufs_mkdir+0xe6 sys/ufs/ufs/ufs_vnops.c:1117
#8 VOP_MKDIR+0xc3 sys/kern/vfs_vops.c:388
#9 domkdirat+0x125 sys/kern/vfs_syscalls.c:3077
#10 syscall+0x53b mi_syscall sys/sys/syscall_mi.h:183 [inline]
#10 syscall+0x53b sys/arch/amd64/amd64/trap.c:577
#11 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffffd807a1be3c8)
#0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x446 sys/kern/subr_witness.c:1187
#1 rw_enter+0x32a sys/kern/kern_rwlock.c:309
#2 rrw_enter+0x8e sys/kern/kern_rwlock.c:464
#3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:518
#4 vn_lock+0x85 sys/kern/vfs_vnops.c:564
#5 vfs_lookup+0xd3 sys/kern/vfs_lookup.c:418
#6 namei+0x56a sys/kern/vfs_lookup.c:250
#7 domkdirat+0x79 sys/kern/vfs_syscalls.c:3062
#8 syscall+0x53b mi_syscall sys/sys/syscall_mi.h:183 [inline]
#8 syscall+0x53b sys/arch/amd64/amd64/trap.c:577
#9 Xsyscall+0x128
ddb{1}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 10215 6505K 8583K 166960K 15318 0
pcb 15 22K 26K 166960K 2673 0
rtable 235 7K 8K 166960K 5742 0
pf 37 10K 10K 166960K 603 0
ifaddr 47 19K 20K 166960K 591 0
ifgroup 64 2K 2K 166960K 949 0
sysctl 4 1K 3K 166960K 46 0
counters 68 36K 37K 166960K 602 0
ioctlops 0 0K 4K 166960K 3035 0
iov 0 0K 20K 166960K 2338 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1710 107K 108K 166960K 6422 0
UFS quota 1 32K 32K 166960K 1 0
UFS mount 5 36K 36K 166960K 5 0
shm 2 1K 13K 166960K 298 0
VM map 2 1K 1K 166960K 2 0
sem 12 0K 0K 166960K 3371 0
dirhash 12 2K 3K 166960K 147 0
ACPI 1697 195K 286K 166960K 12548 0
file desc 17 61K 89K 166960K 27325 0
sigio 0 0K 0K 166960K 918 0
proc 74 91K 127K 166960K 3881 0
subproc 130 8K 8K 166960K 1261 0
NFS srvsock 1 0K 0K 166960K 1 0
NFS daemon 1 16K 16K 166960K 1 0
ip_moptions 0 0K 0K 166960K 1503 0
in_multi 99 7K 7K 166960K 1301 0
ether_multi 1 0K 0K 166960K 46 0
mrt 5 0K 0K 166960K 32 0
ISOFS mount 1 32K 32K 166960K 1 0
MSDOSFS mount 1 16K 16K 166960K 1 0
ttys 151 678K 678K 166960K 151 0
exec 0 0K 1K 166960K 3538 0
pfkey data 0 0K 0K 166960K 156 0
tdb 3 0K 0K 166960K 3 0
VM swap 8 62K 64K 166960K 10 0
UVM amap 650 1200K 1204K 166960K 269118 0
UVM aobj 131 4K 4K 166960K 133 0
pinsyscall 26 52K 108K 166960K 4133 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
ip6_options 0 0K 0K 166960K 879 0
NDP 14 0K 1K 166960K 470 0
temp 82 6812K 6893K 166960K 214129 0
kqueue 13 20K 32K 166960K 2277 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 24 0 0 1 0 1 1 0 8 0
rtpcb 120 1925 0 1922 26 25 1 5 0 8 0
rtentry 112 1787 0 1680 4 0 4 4 0 8 0
unpcb 144 24705 0 24688 206 205 1 10 0 8 0
syncache 336 208 0 208 43 42 1 1 0 8 1
sackhl 24 5 4 5 2 2 0 1 0 8 0
tcpqe 32 156 1598 156 2 2 0 1 0 8 0
tcpcb 808 8047 0 7942 228 210 18 20 0 8 4
arp 120 410 0 393 1 0 1 1 0 8 0
ipq 40 3 0 3 1 1 0 1 0 8 0
ipqe 40 9 0 9 1 1 0 1 0 8 0
inpcb 392 20768 0 20660 285 267 18 23 0 8 4
nd6 136 297 0 272 1 0 1 1 0 8 0
pkpcb 40 102 0 102 16 16 0 1 0 8 0
kcovpl 48 96 0 86 1 0 1 1 0 8 0
ppxss 1168 102 0 102 25 25 0 1 0 8 0
pffrag 232 381 0 381 5 5 0 1 0 482 0
pffrnode 88 381 0 381 5 5 0 1 0 8 0
pffrent 40 800 0 800 6 6 0 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
pfstitem 24 795 0 786 1 0 1 1 0 8 0
pfstkey 128 802 0 793 3 1 2 3 0 8 0
pfstate 376 802 0 793 16 11 5 8 0 8 0
pfrule 1344 21 0 16 2 1 1 2 0 8 0
rttmr 136 3 0 1 1 0 1 1 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 5021 0 4555 65 35 30 32 0 8 0
art_table 32 5022 0 4555 5 0 5 5 0 8 0
art_node 16 1692 0 1596 1 0 1 1 0 8 0
sysvmsgpl 40 8 0 4 1 0 1 1 0 8 0
semapl 112 3369 0 3359 1 0 1 1 0 8 0
shmpl 112 130 0 2 4 0 4 4 0 8 0
dirhash 1024 107 0 90 3 0 3 3 0 8 0
dino2pl 256 34169 0 32569 101 0 101 101 0 8 0
ffsino 272 34169 0 32569 108 0 108 108 0 8 0
nchpl 144 70454 0 68710 67 0 67 67 0 8 0
uvmvnodes 80 6637 0 0 136 0 136 136 0 8 0
vnodes 216 6637 0 0 369 0 369 369 0 8 0
namei 1024 243039 0 243038 6 5 1 2 0 8 0
percpumem 16 315 0 267 1 0 1 1 0 8 0
vcpupl 2048 189 0 1 24 0 24 24 0 8 0
vmpool 696 209 0 21 20 2 18 18 0 8 0
kstatmem 264 562 0 534 10 8 2 3 0 8 0
scxspl 216 216168 0 216167 67 66 1 8 1 8 0
plimitpl 152 2600 0 2582 1 0 1 1 0 8 0
sigapl 424 27518 0 27447 11 2 9 9 0 8 0
futexpl 64 216444 0 216440 3 2 1 1 0 8 0
knotepl 120 1414 0 0 19 0 19 19 0 8 0
kqueuepl 216 5422 0 5410 88 83 5 8 0 8 4
pipepl 320 4011 0 3979 124 121 3 9 0 8 0
fdescpl 496 27452 0 27422 10 5 5 5 0 8 0
filepl 152 163324 0 163045 264 248 16 24 0 8 3
lockfpl 104 6425 0 6423 11 10 1 2 0 8 0
lockfspl 48 2065 0 2063 1 0 1 1 0 8 0
sessionpl 144 109 0 90 1 0 1 1 0 8 0
pgrppl 48 510 0 491 1 0 1 1 0 8 0
ucredpl 104 25310 0 25292 2 0 2 2 0 8 0
zombiepl 144 27448 0 27447 3 2 1 1 0 8 0
processpl 1136 27518 0 27447 7 1 6 6 0 8 0
procpl 680 76189 0 76091 30 20 10 11 0 8 0
srpgc 96 129 0 129 38 38 0 1 0 8 0
sosppl 168 292 0 269 15 13 2 2 0 8 0
sockpl 584 47560 0 47429 394 379 15 27 0 8 2
mcl64k 65536 51 0 0 4 1 3 3 0 8 0
mcl16k 16384 34 0 0 4 1 3 3 0 8 0
mcl12k 12288 44 0 0 2 0 2 2 0 8 0
mcl9k 9216 41 0 0 3 1 2 2 0 8 0
mcl8k 8192 50 0 0 4 1 3 3 0 8 0
mcl4k 4096 81 0 0 5 2 3 4 0 8 0
mcl2k2 2112 17 0 0 2 0 2 2 0 8 0
mcl2k 2048 449 0 0 31 19 12 31 0 8 0
mtagpl 96 12 0 0 1 0 1 1 0 8 0
mbufpl 256 9414 0 0 541 0 541 541 0 8 0
bufpl 280 48277 0 41372 494 0 494 494 0 8 0
anonpl 24 2743055 0 2726545 327 151 176 177 0 186 57
amapchunkpl 152 851956 0 850904 201 130 71 72 0 158 26
amappl16 200 51470 0 50969 212 180 32 40 0 8 0
amappl15 192 121 0 119 1 0 1 1 0 8 0
amappl14 184 468 0 446 6 4 2 2 0 8 0
amappl13 176 90 0 89 1 0 1 1 0 8 0
amappl12 168 29446 0 29401 10 7 3 3 0 8 0
amappl11 160 68 0 54 1 0 1 1 0 8 0
amappl10 152 176 0 157 1 0 1 1 0 8 0
amappl9 144 434 0 434 42 42 0 1 0 8 0
amappl8 136 1379 0 1180 7 0 7 7 0 8 0
amappl7 128 213 0 196 1 0 1 1 0 8 0
amappl6 120 1703 0 1668 3 1 2 2 0 8 0
amappl5 112 1013 0 997 1 0 1 1 0 8 0
amappl4 104 1723 0 1665 3 1 2 3 0 8 0
amappl3 96 164811 0 164710 9 5 4 4 0 8 0
amappl2 88 29161 0 29072 5 2 3 4 0 8 0
amappl1 80 109948 0 109392 23 10 13 23 0 8 0
amappl 88 267146 0 266790 10 1 9 9 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 72 132 0 2 3 0 3 3 0 8 0
uaddrrnd 24 27661 0 27443 2 0 2 2 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 27661 0 27443 2 0 2 2 0 8 0
vmmpekpl 168 199186 0 199079 6 0 6 6 0 8 0
vmmpepl 168 1644867 0 1641972 692 540 152 165 0 357 0
vmsppl 448 27660 0 27443 32 7 25 25 0 8 0
rwobjpl 56 392268 0 383573 147 24 123 123 0 8 0
pdppl 4096 55329 0 55074 1193 932 261 261 0 8 6
pvpl 32 47411 0 0 383 0 383 383 0 265 0
pmappl 248 27660 0 27443 15 1 14 14 0 8 0
extentpl 40 56 0 38 1 0 1 1 0 8 0
phpool 112 2845 0 1681 34 0 34 34 0 8 0
ddb{1}> machine ddbcpu 0
Stopped at x86_ipi_db+0x1e: addq $0x8,%rsp
ddb{0}> trace
x86_ipi_db(ffffffff82cc1ff0) at x86_ipi_db+0x1e 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+0x27
__mp_lock(ffffffff82d60af0) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline]
__mp_lock(ffffffff82d60af0) at __mp_lock+0x122 sys/kern/kern_lock.c:147
intr_handler(ffff80002d69a220,ffff80000006bc00) at intr_handler+0x62 sys/arch/amd64/amd64/intr.c:539
Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f
__mp_lock(ffffffff82d60af0) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline]
__mp_lock(ffffffff82d60af0) at __mp_lock+0x122 sys/kern/kern_lock.c:147
end trace frame: 0x0, count: -7
ddb{0}> machine ddbcpu 1
Stopped at icmp_mtudisc_timeout+0xc1: movq 0(%rax),%rcx
ddb{1}> trace
icmp_mtudisc_timeout(fffffd807e64c9b8,0) at icmp_mtudisc_timeout+0xc1 sys/netinet/ip_icmp.c:1072
rt_timer_queue_flush(ffffffff82d5f688) at rt_timer_queue_flush+0x1f8 sys/net/route.c:1541
ip_sysctl(ffff80002f40efbc,1,0,ffff80002f40efe8,20001100,4) at ip_sysctl+0x55b sys/netinet/ip_input.c:1659
sys_sysctl(ffff80002a1da010,ffff80002f40f120,ffff80002f40f080) at sys_sysctl+0x217 sys/kern/kern_sysctl.c:254
syscall(ffff80002f40f120) at syscall+0x53b mi_syscall sys/sys/syscall_mi.h:183 [inline]
syscall(ffff80002f40f120) at syscall+0x53b sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xaf89016c270, count: -6