uvm_fault(0xffffffff839e6bf8, 0xffff8000015f700a, 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
*486543 18829 0 0 0x4000000 0 syz-executor
arp_rtrequest(ffff8000002a2058,1,fffffd8070d43a30) at arp_rtrequest+0x6a4 arprequest sys/netinet/if_ether.c:325 [inline]
arp_rtrequest(ffff8000002a2058,1,fffffd8070d43a30) at arp_rtrequest+0x6a4 sys/netinet/if_ether.c:226
rtrequest(1,ffff8000338ccc40,0,ffff8000338ccbb0,16) at rtrequest+0xdc1 sys/net/route.c:1114
rtm_output(ffff8000015fe800,ffff8000338ccce8,ffff8000338ccc40,0,16) at rtm_output+0x91a sys/net/rtsock.c:953
route_output(fffffd8071b4fe00,ffff8000016017d0) at route_output+0xa2b sys/net/rtsock.c:858
route_send(ffff8000016017d0,fffffd8071b4fe00,0,0) at route_send+0xd7 sys/net/rtsock.c:322
sosend(ffff8000016017d0,0,ffff8000338cce98,0,0,808) at sosend+0x804 sys/kern/uipc_socket.c:-1
sendit(ffff8000314c27e8,8,ffff8000338ccf90,808,ffff8000338cd030) at sendit+0x5a5 sys/kern/uipc_syscalls.c:785
sys_sendto(ffff8000314c27e8,ffff8000338cd0e0,ffff8000338cd030) at sys_sendto+0x8d sys/kern/uipc_syscalls.c:563
syscall(ffff8000338cd0e0) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff8000338cd0e0) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xf61e8c66600, 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(0xffffffff839e6bf8, 0xffff8000015f700a, 0, 1) -> e
ddb> trace
arp_rtrequest(ffff8000002a2058,1,fffffd8070d43a30) at arp_rtrequest+0x6a4 arprequest sys/netinet/if_ether.c:325 [inline]
arp_rtrequest(ffff8000002a2058,1,fffffd8070d43a30) at arp_rtrequest+0x6a4 sys/netinet/if_ether.c:226
rtrequest(1,ffff8000338ccc40,0,ffff8000338ccbb0,16) at rtrequest+0xdc1 sys/net/route.c:1114
rtm_output(ffff8000015fe800,ffff8000338ccce8,ffff8000338ccc40,0,16) at rtm_output+0x91a sys/net/rtsock.c:953
route_output(fffffd8071b4fe00,ffff8000016017d0) at route_output+0xa2b sys/net/rtsock.c:858
route_send(ffff8000016017d0,fffffd8071b4fe00,0,0) at route_send+0xd7 sys/net/rtsock.c:322
sosend(ffff8000016017d0,0,ffff8000338cce98,0,0,808) at sosend+0x804 sys/kern/uipc_socket.c:-1
sendit(ffff8000314c27e8,8,ffff8000338ccf90,808,ffff8000338cd030) at sendit+0x5a5 sys/kern/uipc_syscalls.c:785
sys_sendto(ffff8000314c27e8,ffff8000338cd0e0,ffff8000338cd030) at sys_sendto+0x8d sys/kern/uipc_syscalls.c:563
syscall(ffff8000338cd0e0) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff8000338cd0e0) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xf61e8c66600, count: -10
ddb> show registers
rdi 0xffff80002f0c2000
rsi 0xb69
rbp 0xffff8000338cca90
rbx 0xde
rdx 0xffff80002f0c2000
rcx 0xffff8000015f6f20
rax 0xfffffd806d7e38e0
r8 0x1000 __ALIGN_SIZE
r9 0
r10 0x41ef96d1afaee0e2
r11 0xb62f07fb32d60f8c
r12 0x18
r13 0xfffffd806d7e3800
r14 0xfffffd8070d43a30
r15 0xffff8000002a2058
rip 0xffffffff828280f4 arp_rtrequest+0x6a4
cs 0x8
rflags 0x10246 __ALIGN_SIZE+0xf246
rsp 0xffff8000338cca10
ss 0x10
arp_rtrequest+0x6a4: movzwl 0xc(%rcx,%rbx,1),%ecx
ddb> show proc
PROC (syz-executor) tid=486543 pid=18829 tcnt=2 stat=onproc
flags process=0 proc=4000000<THREAD>
runpri=50, usrpri=50, slppri=32, nice=20
wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0
forw=0xffffffffffffffff, list=0xffff8000314c2a80,0xffff8000314c2030
process=0xffff8000ffff9f98 user=0xffff8000338c8000, vmspace=0xfffffd800e122a28
estcpu=0, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0
ddb> ps
PID TID PPID UID S FLAGS WAIT COMMAND
3913 95412 47216 0 2 0 syz-executor
3913 312106 47216 0 3 0x4000080 fsleep syz-executor
57001 98416 49518 60929 2 0x10 syz-executor
57001 276680 49518 60929 3 0x4000090 fsleep syz-executor
57001 356529 49518 60929 3 0x4000090 fsleep syz-executor
56005 42582 55957 0 2 0 syz-executor
56005 5946 55957 0 3 0x4000080 fsleep syz-executor
56005 214520 55957 0 3 0x4000080 fsleep syz-executor
33465 485816 26637 0 2 0 syz-executor
33465 208884 26637 0 3 0x4000080 fsleep syz-executor
33465 382620 26637 0 3 0x4000080 fsleep syz-executor
18829 455205 57324 0 2 0 syz-executor
*18829 486543 57324 0 7 0x4000000 syz-executor
47216 241286 95541 0 2 0xc82 syz-executor
4225 397254 95541 0 2 0x2 syz-executor
49518 218396 95541 0 3 0x82 nanoslp syz-executor
30338 245121 95541 0 2 0x2 syz-executor
26637 206283 95541 0 3 0x82 nanoslp syz-executor
57324 260586 95541 0 2 0xc82 syz-executor
55957 392902 95541 0 3 0x82 nanoslp syz-executor
9943 194949 95541 0 2 0x2 syz-executor
95541 41172 2984 0 3 0x82 kqread syz-executor
2984 322989 56811 0 3 0x10008a sigsusp ksh
56811 450180 35456 0 3 0x98 kqread sshd-session
35456 178856 19496 0 3 0x92 kqread sshd-session
26945 189699 1 0 3 0x100083 ttyin getty
19496 412106 1 0 3 0x88 kqread sshd
9081 485801 40022 73 3 0x1100090 kqread syslogd
40022 116400 1 0 3 0x100082 sbwait syslogd
99626 351736 1 0 3 0x100080 kqread resolvd
7291 435666 61062 77 3 0x100092 kqread dhcpleased
78764 164815 61062 77 3 0x100092 kqread dhcpleased
61062 479382 1 0 3 0x80 kqread dhcpleased
94892 150692 0 0 3 0x14200 bored smr
85020 201965 0 0 2 0x14200 zerothread
11742 418643 0 0 3 0x14200 aiodoned aiodoned
93760 434115 0 0 3 0x14200 syncer update
8538 519518 0 0 3 0x14200 cleaner cleaner
59101 312969 0 0 3 0x14200 reaper reaper
23358 401516 0 0 3 0x14200 pgdaemon pagedaemon
4203 409953 0 0 3 0x14200 bored viomb
62648 434003 0 0 3 0x40014200 acpi0 acpi0
99598 263166 0 0 3 0x14200 bored softnet0
44271 366976 0 0 3 0x14200 smrbar systqmp
24785 156301 0 0 3 0x14200 bored systq
87118 298413 0 0 2 0x40014200 softclock
16900 11478 0 0 3 0x40014200 idle0
1 129671 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 11036 12232K 12232K 166960K 12120 0
pcb 18 12K 12K 166960K 18 0
rtable 246 8K 8K 166960K 372 0
pf 30 12K 12K 166960K 30 0
ifaddr 42 7K 7K 166960K 44 0
ifgroup 50 2K 2K 166960K 50 0
sysctl 1 1K 9K 166960K 5 0
counters 33 17K 17K 166960K 33 0
ioctlops 0 0K 2K 166960K 30 0
iov 0 0K 1K 166960K 1 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1292 81K 81K 166960K 1358 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 2 0K 0K 166960K 2 0
dirhash 12 2K 2K 166960K 12 0
ACPI 1692 195K 286K 166960K 12470 0
file desc 17 61K 89K 166960K 140 0
sigio 1 0K 0K 166960K 1 0
proc 58 59K 91K 166960K 496 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 3 0
in_multi 99 7K 7K 166960K 99 0
ether_multi 1 0K 0K 166960K 1 0
mrt 0 0K 0K 166960K 2 0
ISOFS mount 1 32K 32K 166960K 1 0
MSDOSFS mount 1 16K 16K 166960K 1 0
ttys 31 148K 148K 166960K 31 0
exec 0 0K 1K 166960K 364 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 198 134K 143K 166960K 3025 0
UVM aobj 3 2K 2K 166960K 3 0
pinsyscall 38 76K 93K 166960K 1231 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
NDP 27 2K 2K 166960K 27 0
temp 34 9062K 9126K 166960K 3803 0
kqueue 13 20K 20K 166960K 22 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 38 0 34 1 0 1 1 0 8 0
rtentry 136 112 0 1 4 0 4 4 0 8 0
unpcb 144 35 0 20 1 0 1 1 0 8 0
syncache 336 3 0 3 1 1 0 1 0 8 0
tcpcb 736 8 0 3 1 0 1 1 0 8 0
arp 96 18 0 0 1 0 1 1 0 8 0
inpcb 328 61 0 51 1 0 1 1 0 8 0
nd6 112 24 0 0 1 0 1 1 0 8 0
kcovpl 48 8 0 0 1 0 1 1 0 8 0
art_heap8 4096 2 0 0 2 0 2 2 0 8 0
art_heap4 256 452 0 0 29 0 29 29 0 8 0
art_table 40 454 0 0 5 0 5 5 0 8 0
art_node 32 112 0 10 1 0 1 1 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 1557 0 98 92 0 92 92 0 8 0
ffsino 256 1557 0 98 92 0 92 92 0 8 0
nchpl 144 1759 0 64 63 0 63 63 0 8 0
vnodes 216 1643 0 0 92 0 92 92 0 8 0
namei 1024 5108 0 5107 2 1 1 2 0 8 0
kstatmem 264 22 0 0 2 0 2 2 0 8 0
scxspl 216 5847 0 5847 3 2 1 3 1 8 1
plimitpl 152 28 0 10 1 0 1 1 0 8 0
sigapl 424 433 0 391 6 0 6 6 0 8 1
knotepl 120 2578 0 2531 2 0 2 2 0 8 0
kqueuepl 184 18 0 9 1 0 1 1 0 8 0
pipepl 304 119 0 92 3 0 3 3 0 8 0
fdescpl 448 420 0 391 5 0 5 5 0 8 1
filepl 120 1409 0 1195 7 0 7 7 0 8 0
lockfpl 104 8 0 4 1 0 1 1 0 8 0
lockfspl 48 6 0 2 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 67 0 55 1 0 1 1 0 8 0
zombiepl 144 391 0 391 2 1 1 1 0 8 1
processpl 1152 433 0 391 4 0 4 4 0 8 0
procpl 664 447 0 397 5 0 5 5 0 8 0
sockpl 552 134 0 105 4 1 3 3 0 8 0
mcl64k 65536 2 0 2 1 0 1 1 0 8 1
mcl8k 8192 4 0 4 1 1 0 1 0 8 0
mcl4k 4096 2487 0 2436 16 7 9 16 0 8 2
mcl2k 2048 107 0 107 2 1 1 1 0 8 1
mtagpl 96 4 0 4 1 1 0 1 0 8 0
mbufpl 256 4085 0 3947 9 0 9 9 0 8 0
bufpl 280 2223 0 102 152 0 152 152 0 8 0
anonpl 24 71704 0 68756 20 0 20 20 0 187 0
amapchunkpl 152 7750 0 7344 18 1 17 17 0 158 0
amappl16 200 717 0 703 3 2 1 3 0 8 0
amappl15 192 2 0 2 1 1 0 1 0 8 0
amappl14 184 412 0 411 1 0 1 1 0 8 0
amappl13 176 143 0 133 1 0 1 1 0 8 0
amappl12 168 653 0 627 2 0 2 2 0 8 0
amappl11 160 32 0 32 1 1 0 1 0 8 0
amappl10 152 55 0 45 1 0 1 1 0 8 0
amappl9 144 268 0 268 1 1 0 1 0 8 0
amappl8 136 114 0 113 1 0 1 1 0 8 0
amappl7 128 135 0 124 1 0 1 1 0 8 0
amappl6 120 145 0 144 1 0 1 1 0 8 0
amappl5 112 86 0 78 1 0 1 1 0 8 0
amappl4 104 246 0 231 1 0 1 1 0 8 0
amappl3 96 1402 0 1309 3 0 3 3 0 8 0
amappl2 88 501 0 448 2 0 2 2 0 8 0
amappl1 80 8984 0 8434 13 0 13 13 0 8 1
amappl 88 2344 0 2206 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 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 2 0 0 1 0 1 1 0 8 0
uaddrrnd 24 420 0 391 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 420 0 391 1 0 1 1 0 8 0
vmmpekpl 168 5107 0 5075 2 0 2 2 0 8 0
vmmpepl 168 33876 0 32204 78 3 75 77 0 357 1
vmsppl 368 419 0 391 4 0 4 4 0 8 1
rwobjpl 40 12107 0 11207 11 1 10 11 0 8 0
pdppl 4096 846 0 782 97 30 67 78 0 8 3
pvpl 32 188147 0 180186 73 7 66 69 0 265 0
pmappl 216 419 0 391 2 0 2 2 0 8 0
extentpl 40 45 0 27 1 0 1 1 0 8 0
phpool 112 360 0 43 10 0 10 10 0 8 0
ddb> machine ddbcpu 0
No such command
ddb> trace
arp_rtrequest(ffff8000002a2058,1,fffffd8070d43a30) at arp_rtrequest+0x6a4 arprequest sys/netinet/if_ether.c:325 [inline]
arp_rtrequest(ffff8000002a2058,1,fffffd8070d43a30) at arp_rtrequest+0x6a4 sys/netinet/if_ether.c:226
rtrequest(1,ffff8000338ccc40,0,ffff8000338ccbb0,16) at rtrequest+0xdc1 sys/net/route.c:1114
rtm_output(ffff8000015fe800,ffff8000338ccce8,ffff8000338ccc40,0,16) at rtm_output+0x91a sys/net/rtsock.c:953
route_output(fffffd8071b4fe00,ffff8000016017d0) at route_output+0xa2b sys/net/rtsock.c:858
route_send(ffff8000016017d0,fffffd8071b4fe00,0,0) at route_send+0xd7 sys/net/rtsock.c:322
sosend(ffff8000016017d0,0,ffff8000338cce98,0,0,808) at sosend+0x804 sys/kern/uipc_socket.c:-1
sendit(ffff8000314c27e8,8,ffff8000338ccf90,808,ffff8000338cd030) at sendit+0x5a5 sys/kern/uipc_syscalls.c:785
sys_sendto(ffff8000314c27e8,ffff8000338cd0e0,ffff8000338cd030) at sys_sendto+0x8d sys/kern/uipc_syscalls.c:563
syscall(ffff8000338cd0e0) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff8000338cd0e0) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xf61e8c66600, count: -10
ddb> machine ddbcpu 1
No such command
ddb> trace
arp_rtrequest(ffff8000002a2058,1,fffffd8070d43a30) at arp_rtrequest+0x6a4 arprequest sys/netinet/if_ether.c:325 [inline]
arp_rtrequest(ffff8000002a2058,1,fffffd8070d43a30) at arp_rtrequest+0x6a4 sys/netinet/if_ether.c:226
rtrequest(1,ffff8000338ccc40,0,ffff8000338ccbb0,16) at rtrequest+0xdc1 sys/net/route.c:1114
rtm_output(ffff8000015fe800,ffff8000338ccce8,ffff8000338ccc40,0,16) at rtm_output+0x91a sys/net/rtsock.c:953
route_output(fffffd8071b4fe00,ffff8000016017d0) at route_output+0xa2b sys/net/rtsock.c:858
route_send(ffff8000016017d0,fffffd8071b4fe00,0,0) at route_send+0xd7 sys/net/rtsock.c:322
sosend(ffff8000016017d0,0,ffff8000338cce98,0,0,808) at sosend+0x804 sys/kern/uipc_socket.c:-1
sendit(ffff8000314c27e8,8,ffff8000338ccf90,808,ffff8000338cd030) at sendit+0x5a5 sys/kern/uipc_syscalls.c:785
sys_sendto(ffff8000314c27e8,ffff8000338cd0e0,ffff8000338cd030) at sys_sendto+0x8d sys/kern/uipc_syscalls.c:563
syscall(ffff8000338cd0e0) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff8000338cd0e0) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xf61e8c66600, count: -10