uvm_fault(0xfffffd803f013420, 0x100000008, 0, 2) -> e
kernel: page fault trap, code=0
Stopped at arp_rtrequest+0x15f: movq %rcx,0x8(%r15)
ddb>
ddb> set $lines = 0
ddb> set $maxwidth = 0
ddb> show panic
kernel page fault
uvm_fault(0xfffffd803f013420, 0x100000008, 0, 2) -> e
arp_rtrequest() at arp_rtrequest+0x15f sys/netinet/if_ether.c:201
end trace frame: 0xffff800015a19760, count: 0
ddb> trace
arp_rtrequest() at arp_rtrequest+0x15f sys/netinet/if_ether.c:201
rtm_output(ffff8000009f5c00,ffff800015a19818,ffff800015a19770,40,0) at rtm_output+0xbf4 sys/net/rtsock.c:1040
route_output(fffffd802c79a800,fffffd8036fdfa80,0,0) at route_output+0x7d7 sys/net/rtsock.c:814
route_usrreq(fffffd8036fdfa80,9,fffffd802c79a800,0,0,ffff8000149bc988) at route_usrreq+0x363 sys/net/rtsock.c:271
sosend(fffffd8036fdfa80,0,ffff800015a19a10,0,0,80) at sosend+0x660 sys/kern/uipc_socket.c:513
sendit(ffff8000149bc988,3,ffff800015a19af0,0,ffff800015a19c00) at sendit+0x53c sys/kern/uipc_syscalls.c:662
sys_sendto(ffff8000149bc988,ffff800015a19b98,ffff800015a19c00) at sys_sendto+0x80 sys/kern/uipc_syscalls.c:527
syscall(ffff800015a19c70) at syscall+0x511
Xsyscall(6,0,ffffffffffffffd8,0,6,102f2ca8010) at Xsyscall+0x128
end of kernel
end trace frame: 0x105875f3180, count: -9
ddb> show registers
rdi 0xffffffff819af1c7 arp_rtrequest+0x157
rsi 0x195
rbp 0xffff800015a196c0
rbx 0xffff80000005b390
rdx 0x196
rcx 0xdeaf4152deaf4152
rax 0xffff80000005b398
r8 0x40
r9 0x5
r10 0xffff8000009de140
r11 0xd8dd85f29738abf3
r12 0xffff8000001722a8
r13 0x2
r14 0xfffffd803027a778
r15 0x100000000
rip 0xffffffff819af1cf arp_rtrequest+0x15f
cs 0x8
rflags 0x10246 __ALIGN_SIZE+0xf246
rsp 0xffff800015a19640
ss 0x10
arp_rtrequest+0x15f: movq %rcx,0x8(%r15)
ddb> show proc
PROC (syz-executor.1) pid=247850 stat=onproc
flags process=0 proc=4000000<THREAD>
pri=86, usrpri=86, nice=20
forw=0xffffffffffffffff, list=0xffff8000149bc730,0xffff8000149bce48
process=0xffff8000ffff69e8 user=0xffff800015a14000, vmspace=0xfffffd803f013420
estcpu=36, cpticks=1, pctcpu=0.0
user=0, sys=1, intr=0
ddb> ps
PID TID PPID UID S FLAGS WAIT COMMAND
54028 332501 8981 0 2 0 syz-executor.1
*54028 247850 8981 0 7 0x4000000 syz-executor.1
54028 1318 8981 0 3 0x4000080 fsleep syz-executor.1
54028 153483 8981 0 3 0x4000080 fsleep syz-executor.1
18784 461658 1 0 3 0x100083 ttyin getty
8981 515339 83605 0 3 0x82 nanosleep syz-executor.1
44716 315126 0 0 3 0x14200 bored sosplice
32828 324478 83605 0 2 0x2 syz-executor.0
83605 274417 41522 0 3 0x82 thrsleep syz-fuzzer
83605 361457 41522 0 3 0x4000082 nanosleep syz-fuzzer
83605 495890 41522 0 3 0x4000082 thrsleep syz-fuzzer
83605 3769 41522 0 3 0x4000082 kqread syz-fuzzer
83605 396721 41522 0 3 0x4000082 thrsleep syz-fuzzer
83605 207159 41522 0 3 0x4000082 thrsleep syz-fuzzer
83605 75188 41522 0 3 0x4000082 thrsleep syz-fuzzer
41522 427 67424 0 3 0x10008a pause ksh
67424 256667 66576 0 3 0x92 select sshd
66576 110147 1 0 3 0x80 select sshd
22608 509009 6569 73 2 0x100090 syslogd
6569 274318 1 0 3 0x100082 netio syslogd
73330 381932 1 77 3 0x100090 poll dhclient
32786 397508 1 0 3 0x80 poll dhclient
22704 205247 0 0 2 0x14200 zerothread
71375 155833 0 0 3 0x14200 aiodoned aiodoned
54891 283648 0 0 3 0x14200 syncer update
43874 495035 0 0 3 0x14200 cleaner cleaner
45855 244933 0 0 3 0x14200 reaper reaper
20991 325851 0 0 3 0x14200 pgdaemon pagedaemon
88470 411174 0 0 3 0x14200 bored crynlk
81162 487498 0 0 3 0x14200 bored crypto
77913 77393 0 0 3 0x40014200 acpi0 acpi0
29650 240255 0 0 3 0x14200 bored softnet
87010 166572 0 0 3 0x14200 bored systqmp
73694 105112 0 0 3 0x14200 bored systq
5417 452141 0 0 3 0x40014200 bored softclock
39325 60488 0 0 3 0x40014200 idle0
42962 486040 0 0 3 0x14200 bored smr
1 112310 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 9532 6378K 7465K 78643K 22743 0 0
pcb 24 9K 10K 78643K 3331 0 0
rtable 148 6K 6K 78643K 1468 0 0
ifaddr 63 17K 19K 78643K 600 0 0
counters 19 16K 16K 78643K 19 0 0
ioctlops 0 0K 2K 78643K 256 0 0
iov 0 0K 28K 78643K 890 0 0
mount 1 1K 1K 78643K 1 0 0
vnodes 1202 75K 77K 78643K 6690 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 77 0 0
VM map 2 0K 0K 78643K 2 0 0
sem 12 0K 1K 78643K 455 0 0
dirhash 12 2K 2K 78643K 12 0 0
ACPI 1793 195K 288K 78643K 12537 0 0
file desc 5 13K 25K 78643K 7018 0 0
sigio 1 0K 0K 78643K 84 0 0
proc 42 30K 54K 78643K 1075 0 0
subproc 32 2K 2K 78643K 59 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 710 0 0
in_multi 33 2K 2K 78643K 216 0 0
ether_multi 1 0K 0K 78643K 32 0 0
mrt 0 0K 0K 78643K 13 0 0
ISOFS mount 1 32K 32K 78643K 1 0 0
MSDOSFS mount 1 16K 16K 78643K 1 0 0
ttys 114 503K 503K 78643K 114 0 0
exec 0 0K 1K 78643K 701 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 88 20K 30K 78643K 17315 0 0
UVM aobj 130 5K 5K 78643K 148 0 0
memdesc 1 4K 4K 78643K 1 0 0
crypto data 1 1K 1K 78643K 1 0 0
ip6_options 0 0K 1K 78643K 302 0 0
NDP 13 0K 0K 78643K 158 0 0
temp 183 2715K 3355K 78643K 23394 0 0
kqueue 0 0K 0K 78643K 54 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 8 0 2 1 0 1 1 0 8 0
inpcbpl 280 2905 0 2898 1 0 1 1 0 8 0
plimitpl 152 150 0 143 1 0 1 1 0 8 0
rtentry 112 106 0 57 2 0 2 2 0 8 0
syncache 264 4 0 4 1 1 0 1 0 8 0
tcpcb 544 1116 0 1112 1 0 1 1 0 8 0
nd6 48 9 0 3 1 0 1 1 0 8 0
swfcl 56 1 0 0 1 0 1 1 0 8 0
ppxss 1128 117 0 117 23 22 1 1 0 8 1
art_heap8 4096 3 0 0 3 0 3 3 0 8 0
art_heap4 256 253 0 44 14 0 14 14 0 8 0
art_table 32 256 0 44 2 0 2 2 0 8 0
art_node 16 60 0 17 1 0 1 1 0 8 0
sysvmsgpl 40 18 0 15 2 1 1 1 0 8 0
semupl 112 1 0 1 1 1 0 1 0 8 0
semapl 112 453 0 443 1 0 1 1 0 8 0
shmpl 112 146 0 18 4 0 4 4 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino1pl 128 13203 0 11710 49 0 49 49 0 8 0
ffsino 240 13203 0 11710 88 0 88 88 0 8 0
nchpl 144 23258 0 21649 61 0 61 61 0 8 0
uvmvnodes 72 7085 0 0 129 0 129 129 0 8 0
vnodes 200 7085 0 0 373 0 373 373 0 8 0
namei 1024 72242 0 72241 4 3 1 1 0 8 0
scsiplug 64 7 0 7 7 7 0 1 0 8 0
scxspl 192 74045 0 74045 37 36 1 5 0 8 1
sigapl 432 7191 0 7178 2 0 2 2 0 8 0
futexpl 56 107298 0 107296 3 2 1 1 0 8 0
knotepl 112 1321 0 1302 1 0 1 1 0 8 0
kqueuepl 104 1669 0 1667 1 0 1 1 0 8 0
pipepl 112 3834 0 3815 9 8 1 2 0 8 0
fdescpl 424 7192 0 7178 2 0 2 2 0 8 0
filepl 120 41800 0 41702 6 2 4 5 0 8 0
lockfpl 104 2527 0 2527 2 1 1 1 0 8 1
lockfspl 48 847 0 847 2 1 1 1 0 8 1
sessionpl 112 23 0 13 1 0 1 1 0 8 0
pgrppl 48 117 0 107 1 0 1 1 0 8 0
ucredpl 96 9837 0 9830 1 0 1 1 0 8 0
zombiepl 144 7178 0 7178 3 2 1 1 0 8 1
processpl 840 7207 0 7178 4 0 4 4 0 8 0
procpl 600 16253 0 16215 6 2 4 4 0 8 0
sosppl 128 98 0 98 25 25 0 1 0 8 0
sockpl 384 5877 0 5859 5 2 3 3 0 8 1
mcl64k 65536 692 0 692 52 51 1 33 0 8 1
mcl16k 16384 20 0 20 17 17 0 1 0 8 0
mcl12k 12288 112 0 112 20 19 1 1 0 8 1
mcl9k 9216 128 0 128 22 21 1 1 0 8 1
mcl8k 8192 105 0 105 19 18 1 1 0 8 1
mcl4k 4096 274 0 274 12 11 1 1 0 8 1
mcl2k2 2112 39 0 39 19 19 0 1 0 8 0
mcl2k 2048 63385 0 63343 15 8 7 9 0 8 1
mtagpl 80 8 0 8 4 3 1 1 0 8 1
mbufpl 256 136497 0 136444 34 29 5 20 0 8 0
bufpl 256 25541 0 18455 444 0 444 444 0 8 0
anonpl 16 610493 0 600842 234 192 42 57 0 62 0
amapchunkpl 152 30464 0 30375 98 94 4 14 0 158 0
amappl16 192 36764 0 36240 221 193 28 39 0 8 1
amappl15 184 2 0 2 2 2 0 1 0 8 0
amappl14 176 56 0 54 2 1 1 1 0 8 0
amappl13 168 3492 0 3491 1 0 1 1 0 8 0
amappl12 160 937 0 936 1 0 1 1 0 8 0
amappl11 152 56 0 42 1 0 1 1 0 8 0
amappl10 144 69 0 67 2 1 1 1 0 8 0
amappl9 136 3090 0 3085 1 0 1 1 0 8 0
amappl8 128 2682 0 2663 1 0 1 1 0 8 0
amappl7 120 38 0 32 1 0 1 1 0 8 0
amappl6 112 58 0 51 1 0 1 1 0 8 0
amappl5 104 1132 0 1120 1 0 1 1 0 8 0
amappl4 96 6450 0 6430 1 0 1 1 0 8 0
amappl3 88 1344 0 1334 1 0 1 1 0 8 0
amappl2 80 56559 0 56494 4 2 2 3 0 8 0
amappl1 72 135597 0 135180 26 17 9 19 0 8 0
amappl 80 16558 0 16523 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
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 64 147 0 18 3 0 3 3 0 8 0
uaddrrnd 24 7192 0 7178 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 7192 0 7178 1 0 1 1 0 8 0
vmmpekpl 168 41522 0 41497 2 0 2 2 0 8 0
vmmpepl 168 717744 0 716246 229 158 71 87 0 357 1
vmsppl 264 7191 0 7178 3 2 1 2 0 8 0
pdppl 4096 14390 0 14356 6 1 5 6 0 8 0
pvpl 32 1977584 0 1964708 496 383 113 238 0 265 8
pmappl 200 7191 0 7178 1 0 1 1 0 8 0
extentpl 40 41 0 26 1 0 1 1 0 8 0
phpool 112 714 0 140 18 1 17 18 0 8 0