uvm_fault(0xffffffff839add90, 0xffff80000149402a, 0, 1) -> e
kernel: page fault trap, code=0
Stopped at arp_rtrequest+0x6a4: movzwl 0xc(%rcx,%rbx,1),%ecx
TID PID UID PRFLAGS PFLAGS CPU COMMAND
* 78610 96181 0 0 0x4000000 0 syz-executor
arp_rtrequest(ffff80000019f058,1,fffffd806c161700) at arp_rtrequest+0x6a4 arprequest sys/netinet/if_ether.c:325 [inline]
arp_rtrequest(ffff80000019f058,1,fffffd806c161700) at arp_rtrequest+0x6a4 sys/netinet/if_ether.c:226
rtrequest(1,ffff80003c9718d0,0,ffff80003c971840,16) at rtrequest+0xf08 sys/net/route.c:1114
rtm_output(ffff800001492900,ffff80003c971978,ffff80003c9718d0,0,16) at rtm_output+0x91a sys/net/rtsock.c:953
route_output(fffffd807709ff00,ffff800001486010) at route_output+0xa2b sys/net/rtsock.c:858
route_send(ffff800001486010,fffffd807709ff00,0,0) at route_send+0xd7 sys/net/rtsock.c:322
sosend(ffff800001486010,0,ffff80003c971b28,0,0,808) at sosend+0x804 sys/kern/uipc_socket.c:-1
sendit(ffff80002f901ca0,3,ffff80003c971c20,808,ffff80003c971cc0) at sendit+0x5a5 sys/kern/uipc_syscalls.c:785
sys_sendto(ffff80002f901ca0,ffff80003c971d70,ffff80003c971cc0) at sys_sendto+0x8d sys/kern/uipc_syscalls.c:563
syscall(ffff80003c971d70) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80003c971d70) at syscall+0x962 sys/arch/amd64/amd64/trap.c:765
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x1c7967ffdb0, count: 5
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>
ddb> set $lines = 0
ddb> set $maxwidth = 0
ddb> show panic
*cpu0: uvm_fault(0xffffffff839add90, 0xffff80000149402a, 0, 1) -> e
ddb> trace
arp_rtrequest(ffff80000019f058,1,fffffd806c161700) at arp_rtrequest+0x6a4 arprequest sys/netinet/if_ether.c:325 [inline]
arp_rtrequest(ffff80000019f058,1,fffffd806c161700) at arp_rtrequest+0x6a4 sys/netinet/if_ether.c:226
rtrequest(1,ffff80003c9718d0,0,ffff80003c971840,16) at rtrequest+0xf08 sys/net/route.c:1114
rtm_output(ffff800001492900,ffff80003c971978,ffff80003c9718d0,0,16) at rtm_output+0x91a sys/net/rtsock.c:953
route_output(fffffd807709ff00,ffff800001486010) at route_output+0xa2b sys/net/rtsock.c:858
route_send(ffff800001486010,fffffd807709ff00,0,0) at route_send+0xd7 sys/net/rtsock.c:322
sosend(ffff800001486010,0,ffff80003c971b28,0,0,808) at sosend+0x804 sys/kern/uipc_socket.c:-1
sendit(ffff80002f901ca0,3,ffff80003c971c20,808,ffff80003c971cc0) at sendit+0x5a5 sys/kern/uipc_syscalls.c:785
sys_sendto(ffff80002f901ca0,ffff80003c971d70,ffff80003c971cc0) at sys_sendto+0x8d sys/kern/uipc_syscalls.c:563
syscall(ffff80003c971d70) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80003c971d70) at syscall+0x962 sys/arch/amd64/amd64/trap.c:765
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x1c7967ffdb0, count: -10
ddb> show registers
rdi 0xffff80002d4fa000
rsi 0xa13
rbp 0xffff80003c971720
rbx 0xde
rdx 0xffff80002d4fa000
rcx 0xffff800001493f40
rax 0xfffffd807709fde0
r8 0x1000 __ALIGN_SIZE
r9 0x481ebd08
r10 0xa52dfeb169f3d2da
r11 0xbad06794ac7d6c1b
r12 0x18
r13 0xfffffd807709fd00
r14 0xfffffd806c161700
r15 0xffff80000019f058
rip 0xffffffff81934b44 arp_rtrequest+0x6a4
cs 0x8
rflags 0x10246 __ALIGN_SIZE+0xf246
rsp 0xffff80003c9716a0
ss 0x10
arp_rtrequest+0x6a4: movzwl 0xc(%rcx,%rbx,1),%ecx
ddb> show proc
PROC (syz-executor) tid=78610 pid=96181 tcnt=2 stat=onproc
flags process=0 proc=4000000<THREAD>
runpri=32, usrpri=50, slppri=32, nice=20
wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0
forw=0xffffffffffffffff, list=0xffff80002f8fa550,0xffff80002f901250
process=0xffff80002f8ff198 user=0xffff80003c96c000, vmspace=0xfffffd8078255018
estcpu=1, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0
ddb> ps
PID TID PPID UID S FLAGS WAIT COMMAND
81234 381063 67413 0 2 0x100000 sh
67413 270939 30959 0 3 0x10008a sigsusp sh
96181 451965 57818 0 2 0 syz-executor
*96181 78610 57818 0 7 0x4000000 syz-executor
3053 417311 12586 0 2 0 syz-executor
3053 448712 12586 0 3 0x4000080 fifow syz-executor
3053 454171 12586 0 2 0x4000000 syz-executor
76236 170645 18099 0 2 0 syz-executor
76236 85072 18099 0 3 0x4000080 fsleep syz-executor
92733 298528 95423 0 2 0 syz-executor
92733 419616 95423 0 3 0x4000080 ttyin syz-executor
92733 219644 95423 0 3 0x4000080 fsleep syz-executor
84390 501834 38875 0 2 0x2 ndp
38875 119426 66980 0 3 0x10008a sigsusp sh
12586 144397 10257 0 3 0x82 nanoslp syz-executor
10784 445652 10257 0 2 0x2 syz-executor
18099 358871 10257 0 2 0xc82 syz-executor
30959 232696 10257 0 3 0x82 wait syz-executor
95423 7448 10257 0 2 0xc82 syz-executor
57818 419810 10257 0 2 0xc82 syz-executor
24439 206891 10257 0 2 0x2 syz-executor
66980 492940 10257 0 3 0x82 wait syz-executor
10257 345374 84234 0 3 0x82 kqread syz-executor
84234 263383 48871 0 3 0x10008a sigsusp ksh
48871 277994 30060 0 3 0x98 kqread sshd-session
30060 53645 37595 0 3 0x92 kqread sshd-session
23300 389891 1 0 3 0x100083 ttyin getty
37595 473309 1 0 3 0x88 kqread sshd
43184 206545 60006 73 3 0x1100090 kqread syslogd
60006 6417 1 0 3 0x100082 sbwait syslogd
82879 381398 1 0 3 0x100080 kqread resolvd
58261 419428 67956 77 3 0x100092 kqread dhcpleased
20086 93985 67956 77 3 0x100092 kqread dhcpleased
67956 428431 1 0 3 0x80 kqread dhcpleased
57533 356188 0 0 3 0x14200 bored smr
21420 35969 0 0 2 0x14200 zerothread
93545 245552 0 0 3 0x14200 aiodoned aiodoned
22077 187956 0 0 3 0x14200 syncer update
99235 306686 0 0 3 0x14200 cleaner cleaner
50194 292843 0 0 3 0x14200 reaper reaper
52449 399511 0 0 3 0x14200 pgdaemon pagedaemon
28568 424631 0 0 3 0x14200 bored viomb
83688 92538 0 0 3 0x40014200 acpi0 acpi0
61477 521348 0 0 3 0x14200 bored softnet0
41210 524260 0 0 3 0x14200 smrbar systqmp
78877 245758 0 0 3 0x14200 bored systq
24875 124819 0 0 3 0x40014200 tmoslp softclock
51798 486249 0 0 3 0x40014200 idle0
1 182732 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
devbuf 10166 11042K 11171K 166960K 11271 0
pcb 18 12K 12K 166960K 30 0
rtable 212 7K 7K 166960K 360 0
pf 30 12K 13K 166960K 33 0
ifaddr 41 7K 7K 166960K 47 0
ifgroup 50 2K 2K 166960K 55 0
sysctl 1 1K 9K 166960K 5 0
counters 32 17K 17K 166960K 34 0
ioctlops 0 0K 2K 166960K 32 0
iov 0 0K 8K 166960K 2 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1342 84K 84K 166960K 1370 0
UFS quota 1 32K 32K 166960K 1 0
UFS mount 5 36K 36K 166960K 5 0
shm 2 1K 1K 166960K 2 0
VM map 2 1K 1K 166960K 2 0
sem 4 0K 0K 166960K 4 0
dirhash 12 2K 2K 166960K 12 0
ACPI 1692 195K 286K 166960K 12470 0
file desc 18 65K 97K 166960K 153 0
proc 59 59K 83K 166960K 471 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 2 0
in_multi 92 6K 6K 166960K 104 0
ether_multi 1 0K 0K 166960K 3 0
mrt 0 0K 0K 166960K 1 0
ISOFS mount 1 32K 32K 166960K 1 0
MSDOSFS mount 1 16K 16K 166960K 1 0
ttys 43 201K 201K 166960K 43 0
exec 0 0K 1K 166960K 356 0
fusefs mount 1 32K 32K 166960K 1 0
tdb 3 0K 0K 166960K 3 0
VM swap 8 62K 64K 166960K 10 0
UVM amap 215 160K 167K 166960K 3170 0
UVM aobj 3 2K 2K 166960K 3 0
pinsyscall 39 78K 94K 166960K 1223 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
NDP 25 1K 1K 166960K 26 0
temp 34 8654K 8718K 166960K 3832 0
kqueue 14 20K 24K 166960K 28 0
SYN cache 2 16K 16K 166960K 2 0
ddb> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
rtpcb 120 36 0 32 1 0 1 1 0 8 0
rtentry 136 109 0 16 4 0 4 4 0 8 0
unpcb 144 45 0 27 1 0 1 1 0 8 0
syncache 336 3 0 3 1 0 1 1 0 8 1
tcpcb 736 13 0 8 1 0 1 1 0 8 0
arp 96 18 0 0 1 0 1 1 0 8 0
inpcb 328 76 0 67 2 0 2 2 0 8 1
ip6q 72 2 0 2 1 0 1 1 0 8 1
ip6af 40 4 0 4 1 0 1 1 0 8 1
nd6 112 20 0 0 1 0 1 1 0 8 0
pkpcb 40 1 0 1 1 0 1 1 0 8 1
kcovpl 48 8 0 0 1 0 1 1 0 8 0
ppxss 1072 1 0 1 1 0 1 1 0 8 1
pppxif 1384 1 0 1 1 0 1 1 0 8 1
art_heap8 4096 2 0 0 2 0 2 2 0 8 0
art_heap4 256 472 0 6 30 0 30 30 0 8 0
art_table 40 474 0 6 5 0 5 5 0 8 0
art_node 32 109 0 10 1 0 1 1 0 8 0
semapl 112 2 0 0 1 0 1 1 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 1590 0 84 95 0 95 95 0 8 0
ffsino 256 1590 0 84 95 0 95 95 0 8 0
nchpl 144 1810 0 124 63 0 63 63 0 8 0
vnodes 216 1677 0 0 94 0 94 94 0 8 0
namei 1024 5454 0 5454 2 0 2 2 0 8 2
kstatmem 264 24 0 2 2 0 2 2 0 8 0
scxspl 216 5820 0 5820 2 0 2 2 1 8 2
plimitpl 152 32 0 15 1 0 1 1 0 8 0
sigapl 424 442 0 399 6 0 6 6 0 8 0
knotepl 120 3459 0 3411 10 0 10 10 0 8 8
kqueuepl 184 26 0 16 1 0 1 1 0 8 0
pipepl 304 114 0 87 3 0 3 3 0 8 0
fdescpl 448 429 0 399 5 0 5 5 0 8 0
filepl 120 1593 0 1374 9 0 9 9 0 8 1
lockfpl 104 9 0 6 1 0 1 1 0 8 0
lockfspl 48 6 0 3 1 0 1 1 0 8 0
sessionpl 144 21 0 13 1 0 1 1 0 8 0
pgrppl 48 29 0 13 1 0 1 1 0 8 0
ucredpl 104 81 0 70 1 0 1 1 0 8 0
zombiepl 144 399 0 399 1 0 1 1 0 8 1
processpl 1152 442 0 399 4 0 4 4 0 8 0
procpl 664 482 0 433 5 0 5 5 0 8 0
sockpl 552 159 0 128 3 0 3 3 0 8 0
mcl64k 65536 1 0 1 1 0 1 1 0 8 1
mcl8k 8192 4 0 4 1 0 1 1 0 8 1
mcl4k 4096 2455 0 2400 15 0 15 15 0 8 7
mcl2k 2048 256 0 250 1 0 1 1 0 8 0
mtagpl 96 6 0 4 1 0 1 1 0 8 0
mbufpl 256 4160 0 4013 10 0 10 10 0 8 0
bufpl 280 2264 0 118 154 0 154 154 0 8 0
anonpl 24 74226 0 71197 26 0 26 26 0 187 5
amapchunkpl 152 8470 0 8054 21 0 21 21 0 158 3
amappl16 200 797 0 780 4 0 4 4 0 8 3
amappl15 192 4 0 4 1 0 1 1 0 8 1
amappl14 184 6 0 4 1 0 1 1 0 8 0
amappl13 176 402 0 399 1 0 1 1 0 8 0
amappl12 168 763 0 726 2 0 2 2 0 8 0
amappl11 160 4 0 4 1 0 1 1 0 8 1
amappl10 152 42 0 32 1 0 1 1 0 8 0
amappl9 144 260 0 260 1 0 1 1 0 8 1
amappl8 136 45 0 44 1 0 1 1 0 8 0
amappl7 128 85 0 84 1 0 1 1 0 8 0
amappl6 120 252 0 238 1 0 1 1 0 8 0
amappl5 112 71 0 64 1 0 1 1 0 8 0
amappl4 104 367 0 345 1 0 1 1 0 8 0
amappl3 96 1351 0 1272 3 0 3 3 0 8 0
amappl2 88 536 0 470 2 0 2 2 0 8 0
amappl1 80 8767 0 8203 13 0 13 13 0 8 0
amappl 88 2480 0 2337 4 0 4 4 0 92 0
uvmvnodes 80 95 0 0 2 0 2 2 0 8 0
dma4096 4096 1 0 1 1 0 1 1 0 8 1
dma1024 1024 1 0 0 1 0 1 1 0 8 0
dma256 256 6 0 6 1 0 1 1 0 8 1
dma128 128 253 0 253 1 0 1 1 0 8 1
dma64 64 6 0 6 1 0 1 1 0 8 1
dma32 32 7 0 7 1 0 1 1 0 8 1
dma16 16 18 0 17 1 0 1 1 0 8 0
aobjpl 72 2 0 0 1 0 1 1 0 8 0
uaddrrnd 24 429 0 399 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 429 0 399 1 0 1 1 0 8 0
vmmpekpl 168 5214 0 5181 2 0 2 2 0 8 0
vmmpepl 168 34344 0 32634 81 0 81 81 0 357 2
vmsppl 368 428 0 399 4 0 4 4 0 8 0
rwobjpl 40 12009 0 11067 11 0 11 11 0 8 1
pdppl 4096 865 0 798 97 14 83 83 0 8 16
pvpl 32 192797 0 184608 77 0 77 77 0 265 6
pmappl 216 428 0 399 3 0 3 3 0 8 0
extentpl 40 45 0 27 1 0 1 1 0 8 0
phpool 112 366 0 14 11 0 11 11 0 8 0
ddb> machine ddbcpu 0
No such command
ddb> trace
arp_rtrequest(ffff80000019f058,1,fffffd806c161700) at arp_rtrequest+0x6a4 arprequest sys/netinet/if_ether.c:325 [inline]
arp_rtrequest(ffff80000019f058,1,fffffd806c161700) at arp_rtrequest+0x6a4 sys/netinet/if_ether.c:226
rtrequest(1,ffff80003c9718d0,0,ffff80003c971840,16) at rtrequest+0xf08 sys/net/route.c:1114
rtm_output(ffff800001492900,ffff80003c971978,ffff80003c9718d0,0,16) at rtm_output+0x91a sys/net/rtsock.c:953
route_output(fffffd807709ff00,ffff800001486010) at route_output+0xa2b sys/net/rtsock.c:858
route_send(ffff800001486010,fffffd807709ff00,0,0) at route_send+0xd7 sys/net/rtsock.c:322
sosend(ffff800001486010,0,ffff80003c971b28,0,0,808) at sosend+0x804 sys/kern/uipc_socket.c:-1
sendit(ffff80002f901ca0,3,ffff80003c971c20,808,ffff80003c971cc0) at sendit+0x5a5 sys/kern/uipc_syscalls.c:785
sys_sendto(ffff80002f901ca0,ffff80003c971d70,ffff80003c971cc0) at sys_sendto+0x8d sys/kern/uipc_syscalls.c:563
syscall(ffff80003c971d70) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80003c971d70) at syscall+0x962 sys/arch/amd64/amd64/trap.c:765
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x1c7967ffdb0, count: -10
ddb> machine ddbcpu 1
No such command
ddb> trace
arp_rtrequest(ffff80000019f058,1,fffffd806c161700) at arp_rtrequest+0x6a4 arprequest sys/netinet/if_ether.c:325 [inline]
arp_rtrequest(ffff80000019f058,1,fffffd806c161700) at arp_rtrequest+0x6a4 sys/netinet/if_ether.c:226
rtrequest(1,ffff80003c9718d0,0,ffff80003c971840,16) at rtrequest+0xf08 sys/net/route.c:1114
rtm_output(ffff800001492900,ffff80003c971978,ffff80003c9718d0,0,16) at rtm_output+0x91a sys/net/rtsock.c:953
route_output(fffffd807709ff00,ffff800001486010) at route_output+0xa2b sys/net/rtsock.c:858
route_send(ffff800001486010,fffffd807709ff00,0,0) at route_send+0xd7 sys/net/rtsock.c:322
sosend(ffff800001486010,0,ffff80003c971b28,0,0,808) at sosend+0x804 sys/kern/uipc_socket.c:-1
sendit(ffff80002f901ca0,3,ffff80003c971c20,808,ffff80003c971cc0) at sendit+0x5a5 sys/kern/uipc_syscalls.c:785
sys_sendto(ffff80002f901ca0,ffff80003c971d70,ffff80003c971cc0) at sys_sendto+0x8d sys/kern/uipc_syscalls.c:563
syscall(ffff80003c971d70) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80003c971d70) at syscall+0x962 sys/arch/amd64/amd64/trap.c:765
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x1c7967ffdb0, count: -10