uvm_fault(0xffffffff8221dd88, 0xffff800004d41002, 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(0xffffffff8221dd88, 0xffff800004d41002, 0, 1) -> e
rtable_satoplen(21,ffff800004d40f59) at rtable_satoplen+0x150 sys/net/rtable.c:888
end trace frame: 0xffff8000149fe330, count: 0
ddb> trace
rtable_satoplen(21,ffff800004d40f59) at rtable_satoplen+0x150 sys/net/rtable.c:888
rtable_lookup(0,ffff800004d40f09,ffff800004d40f59,ffff800004d40f11,21) at rtable_lookup+0xed sys/net/rtable.c:391
rtm_output(ffff800004d40f00,ffff8000149fe420,ffff8000149fe428,21,0) at rtm_output+0x1a7 sys/net/rtsock.c:952
route_output(fffffd800459a700,fffffd803854a790,0,0) at route_output+0x78b sys/net/rtsock.c:806
route_usrreq(fffffd803854a790,9,fffffd800459a700,0,0,ffff8000ffff32d8) at route_usrreq+0x35d sys/net/rtsock.c:271
sosend(fffffd803854a790,0,ffff8000149fe6e8,0,0,0) at sosend+0x6e3 sys/kern/uipc_socket.c:513
sendit(ffff8000ffff32d8,3,ffff8000149fe7a8,0,ffff8000149fe870) at sendit+0x58f sys/kern/uipc_syscalls.c:662
sys_sendto(ffff8000ffff32d8,ffff8000149fe888,ffff8000149fe870) at sys_sendto+0x92
syscall(ffff8000149fe920) at syscall+0x541
Xsyscall(6,0,ffffffffffffffd8,0,6,65a53b54010) at Xsyscall+0x128
end of kernel
end trace frame: 0x65d0d4115e0, count: -10
ddb> show registers
rdi 0
rsi 0xaa
rbp 0xffff8000149fe290
rbx 0xffffffffffffff5a
rdx 0xffff800004d40f5d
rcx 0xffff800004d41003
rax 0xffff800004d41003
r8 0x21
r9 0x1
r10 0xffff80000193c700
r11 0x73a23eeb202afdfc
r12 0
r13 0xffff800004d41003
r14 0xffffffff8216dfd8 mplsdomain
r15 0x4
rip 0xffffffff81e07880 rtable_satoplen+0x150
cs 0x8
rflags 0x10287 __ALIGN_SIZE+0xf287
rsp 0xffff8000149fe240
ss 0x10
rtable_satoplen+0x150: movzbl 0xffffffffffffffff(%r13),%r12d
ddb> show proc
PROC (syz-executor.1) pid=507181 stat=onproc
flags process=0 proc=4000000<THREAD>
pri=75, usrpri=75, nice=20
forw=0xffffffffffffffff, list=0xffff8000ffff2720,0xffffffff82254d50
process=0xffff8000ffff7a50 user=0xffff8000149f9000, vmspace=0xfffffd803f013108
estcpu=25, cpticks=0, pctcpu=0.0
user=0, sys=0, intr=0
ddb> ps
PID TID PPID UID S FLAGS WAIT COMMAND
58180 381875 96739 0 2 0 syz-executor.1
*58180 507181 96739 0 7 0x4000000 syz-executor.1
88073 4089 94796 0 2 0 syz-executor.0
88073 399746 94796 0 3 0x4000080 fifow syz-executor.0
96739 413589 21994 0 3 0x82 nanosleep syz-executor.1
94796 133181 21994 0 3 0x82 nanosleep syz-executor.0
65841 415365 0 0 3 0x14200 bored sosplice
21994 162451 46869 0 3 0x82 thrsleep syz-fuzzer
21994 517172 46869 0 3 0x4000082 thrsleep syz-fuzzer
21994 131554 46869 0 3 0x4000082 thrsleep syz-fuzzer
21994 30936 46869 0 3 0x4000082 kqread syz-fuzzer
21994 98428 46869 0 3 0x4000082 thrsleep syz-fuzzer
21994 506843 46869 0 3 0x4000082 thrsleep syz-fuzzer
21994 8685 46869 0 3 0x4000082 thrsleep syz-fuzzer
21994 116200 46869 0 3 0x4000082 thrsleep syz-fuzzer
46869 169158 53181 0 3 0x10008a pause ksh
53181 388993 44753 0 3 0x92 select sshd
15942 491918 1 0 3 0x100083 ttyin getty
44753 437560 1 0 3 0x80 select sshd
66526 135504 94925 73 2 0x100090 syslogd
94925 68013 1 0 3 0x100082 netio syslogd
82331 522537 1 77 3 0x100090 poll dhclient
74417 343636 1 0 3 0x80 poll dhclient
7179 357872 0 0 2 0x14200 zerothread
86994 14581 0 0 3 0x14200 aiodoned aiodoned
22806 311346 0 0 3 0x14200 syncer update
15622 179861 0 0 3 0x14200 cleaner cleaner
76629 235862 0 0 3 0x14200 reaper reaper
92022 473702 0 0 3 0x14200 pgdaemon pagedaemon
16806 217418 0 0 3 0x14200 bored crynlk
3889 340562 0 0 3 0x14200 bored crypto
25059 475967 0 0 3 0x40014200 acpi0 acpi0
84172 147958 0 0 3 0x14200 bored softnet
53239 274134 0 0 3 0x14200 bored systqmp
77647 67778 0 0 3 0x14200 bored systq
34078 518522 0 0 3 0x40014200 bored softclock
9716 469967 0 0 3 0x40014200 idle0
26265 186155 0 0 3 0x14200 bored smr
1 10556 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 9499 6343K 6358K 78643K 10975 0 0
pcb 26 9K 10K 78643K 638 0 0
rtable 101 3K 3K 78643K 622 0 0
ifaddr 56 13K 13K 78643K 211 0 0
counters 19 16K 16K 78643K 19 0 0
ioctlops 0 0K 2K 78643K 37 0 0
iov 0 0K 24K 78643K 165 0 0
mount 1 1K 1K 78643K 1 0 0
vnodes 1186 74K 75K 78643K 1732 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 17 0 0
VM map 2 0K 0K 78643K 2 0 0
sem 12 0K 0K 78643K 170 0 0
dirhash 12 2K 2K 78643K 12 0 0
ACPI 1793 195K 288K 78643K 12537 0 0
file desc 6 17K 25K 78643K 1172 0 0
sigio 0 0K 0K 78643K 28 0 0
proc 42 30K 54K 78643K 567 0 0
subproc 64 65538K 69634K 78643K 340 0 0
NFS srvsock 1 0K 0K 78643K 1 0 0
NFS daemon 1 16K 16K 78643K 1 0 0
ip_moptions 0 0K 0K 78643K 164 0 0
in_multi 33 2K 2K 78643K 165 0 0
ether_multi 1 0K 0K 78643K 8 0 0
mrt 0 0K 0K 78643K 6 0 0
ISOFS mount 1 32K 32K 78643K 1 0 0
MSDOSFS mount 1 16K 16K 78643K 1 0 0
ttys 60 265K 265K 78643K 60 0 0
exec 0 0K 1K 78643K 278 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 80 20K 29K 78643K 3528 0 0
UVM aobj 52 4K 4K 78643K 60 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 48 0 0
NDP 11 0K 0K 78643K 67 0 0
temp 163 2359K 2429K 78643K 6476 0 0
kqueue 0 0K 0K 78643K 4 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 12 0 8 1 0 1 1 0 8 0
inpcbpl 280 672 0 664 1 0 1 1 0 8 0
plimitpl 152 64 0 57 1 0 1 1 0 8 0
rtentry 112 113 0 73 2 0 2 2 0 8 0
syncache 264 4 0 4 1 1 0 1 0 8 0
tcpqe 32 13 0 13 1 1 0 1 0 8 0
tcpcb 544 254 0 249 1 0 1 1 0 8 0
nd6 48 20 0 16 1 0 1 1 0 8 0
ppxss 1128 22 0 22 7 6 1 1 0 8 1
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 520 0 331 12 0 12 12 0 8 0
art_table 32 521 0 331 2 0 2 2 0 8 0
art_node 16 112 0 78 1 0 1 1 0 8 0
sysvmsgpl 40 12 0 4 1 0 1 1 0 8 0
semupl 112 1 0 1 1 1 0 1 0 8 0
semapl 112 164 0 154 1 0 1 1 0 8 0
shmpl 112 58 0 8 2 0 2 2 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino1pl 128 3332 0 1887 47 0 47 47 0 8 0
ffsino 240 3332 0 1887 86 0 86 86 0 8 0
nchpl 144 5195 0 3537 62 0 62 62 0 8 0
uvmvnodes 72 3586 0 0 66 0 66 66 0 8 0
vnodes 200 3586 0 0 189 0 189 189 0 8 0
namei 1024 16236 0 16236 2 1 1 1 0 8 1
scsiplug 64 4 0 4 3 3 0 1 0 8 0
scxspl 192 16307 0 16307 13 12 1 6 0 8 1
sigapl 432 1318 0 1304 2 0 2 2 0 8 0
futexpl 56 19885 0 19885 1 0 1 1 0 8 1
knotepl 112 414 0 395 1 0 1 1 0 8 0
kqueuepl 104 353 0 351 1 0 1 1 0 8 0
pipepl 112 936 0 917 4 3 1 2 0 8 0
fdescpl 424 1319 0 1304 2 0 2 2 0 8 0
filepl 120 9017 0 8920 5 1 4 5 0 8 1
lockfpl 104 331 0 331 2 1 1 1 0 8 1
lockfspl 32 177 0 177 2 1 1 1 0 8 1
sessionpl 112 25 0 15 1 0 1 1 0 8 0
pgrppl 48 35 0 25 1 0 1 1 0 8 0
ucredpl 96 1841 0 1834 1 0 1 1 0 8 0
zombiepl 144 1304 0 1304 2 1 1 1 0 8 1
processpl 840 1334 0 1304 4 0 4 4 0 8 0
procpl 600 2757 0 2718 4 0 4 4 0 8 0
sosppl 128 17 0 17 5 5 0 1 0 8 0
sockpl 384 1201 0 1180 3 0 3 3 0 8 0
mcl64k 65536 520 0 520 64 63 1 33 0 8 1
mcl16k 16384 5 0 5 3 2 1 1 0 8 1
mcl12k 12288 27 0 27 6 5 1 1 0 8 1
mcl9k 9216 22 0 22 4 3 1 1 0 8 1
mcl8k 8192 20 0 20 5 4 1 1 0 8 1
mcl4k 4096 89 0 89 4 3 1 1 0 8 1
mcl2k2 2112 11 0 11 5 4 1 1 0 8 1
mcl2k 2048 48983 0 48946 14 8 6 12 0 8 0
mtagpl 80 2 0 2 1 1 0 1 0 8 0
mbufpl 256 91961 0 91881 63 55 8 44 0 8 0
bufpl 256 8561 0 4021 284 0 284 284 0 8 0
anonpl 16 134940 0 126576 74 36 38 52 0 62 0
amapchunkpl 152 5576 0 5493 22 17 5 9 0 158 1
amappl16 192 6496 0 6011 65 39 26 36 0 8 1
amappl15 184 664 0 660 1 0 1 1 0 8 0
amappl14 176 116 0 115 2 1 1 1 0 8 0
amappl13 168 146 0 140 1 0 1 1 0 8 0
amappl12 160 137 0 134 1 0 1 1 0 8 0
amappl11 152 247 0 236 1 0 1 1 0 8 0
amappl10 144 67 0 65 3 2 1 1 0 8 0
amappl9 136 835 0 831 1 0 1 1 0 8 0
amappl8 128 412 0 395 1 0 1 1 0 8 0
amappl7 120 46 0 42 1 0 1 1 0 8 0
amappl6 112 59 0 53 1 0 1 1 0 8 0
amappl5 104 214 0 202 1 0 1 1 0 8 0
amappl4 96 1503 0 1479 1 0 1 1 0 8 0
amappl3 88 314 0 309 1 0 1 1 0 8 0
amappl2 80 11180 0 11119 2 0 2 2 0 8 0
amappl1 72 32424 0 31989 24 15 9 19 0 8 0
amappl 72 3023 0 2989 1 0 1 1 0 75 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
dma64 64 259 0 259 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 59 0 8 1 0 1 1 0 8 0
uaddrrnd 24 1319 0 1304 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 1319 0 1304 1 0 1 1 0 8 0
vmmpekpl 168 12769 0 12751 2 0 2 2 0 8 0
vmmpepl 168 141586 0 140085 117 39 78 82 0 357 10
vmsppl 264 1318 0 1304 2 1 1 2 0 8 0
pdppl 4096 2644 0 2608 6 1 5 6 0 8 0
pvpl 32 388287 0 376767 170 71 99 134 0 265 2
pmappl 192 1318 0 1304 1 0 1 1 0 8 0
extentpl 40 39 0 25 1 0 1 1 0 8 0
phpool 112 550 0 139 14 0 14 14 0 8 0