uvm_fault(0xffffffff83899940, 0xffff8000015a000a, 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
*211405 82946 0 0 0x4000000 0 syz-executor
arp_rtrequest(ffff8000002a2058,1,fffffd8068746810) at arp_rtrequest+0x6a4 arprequest sys/netinet/if_ether.c:325 [inline]
arp_rtrequest(ffff8000002a2058,1,fffffd8068746810) at arp_rtrequest+0x6a4 sys/netinet/if_ether.c:226
rtrequest(1,ffff80003c956de0,0,ffff80003c956d50,16) at rtrequest+0xdc1 sys/net/route.c:1114
rtm_output(ffff80000159e500,ffff80003c956e88,ffff80003c956de0,0,16) at rtm_output+0x91a sys/net/rtsock.c:953
route_output(fffffd80775dde00,ffff8000015915a0) at route_output+0xa2b sys/net/rtsock.c:858
route_send(ffff8000015915a0,fffffd80775dde00,0,0) at route_send+0xd7 sys/net/rtsock.c:322
sosend(ffff8000015915a0,0,ffff80003c957038,0,0,808) at sosend+0x804 sys/kern/uipc_socket.c:-1
sendit(ffff80002a7bc7e0,3,ffff80003c957130,808,ffff80003c9571d0) at sendit+0x5a5 sys/kern/uipc_syscalls.c:785
sys_sendto(ffff80002a7bc7e0,ffff80003c957280,ffff80003c9571d0) at sys_sendto+0x8d sys/kern/uipc_syscalls.c:563
syscall(ffff80003c957280) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80003c957280) at syscall+0x962 sys/arch/amd64/amd64/trap.c:775
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xd0f13842440, 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(0xffffffff83899940, 0xffff8000015a000a, 0, 1) -> e
ddb> trace
arp_rtrequest(ffff8000002a2058,1,fffffd8068746810) at arp_rtrequest+0x6a4 arprequest sys/netinet/if_ether.c:325 [inline]
arp_rtrequest(ffff8000002a2058,1,fffffd8068746810) at arp_rtrequest+0x6a4 sys/netinet/if_ether.c:226
rtrequest(1,ffff80003c956de0,0,ffff80003c956d50,16) at rtrequest+0xdc1 sys/net/route.c:1114
rtm_output(ffff80000159e500,ffff80003c956e88,ffff80003c956de0,0,16) at rtm_output+0x91a sys/net/rtsock.c:953
route_output(fffffd80775dde00,ffff8000015915a0) at route_output+0xa2b sys/net/rtsock.c:858
route_send(ffff8000015915a0,fffffd80775dde00,0,0) at route_send+0xd7 sys/net/rtsock.c:322
sosend(ffff8000015915a0,0,ffff80003c957038,0,0,808) at sosend+0x804 sys/kern/uipc_socket.c:-1
sendit(ffff80002a7bc7e0,3,ffff80003c957130,808,ffff80003c9571d0) at sendit+0x5a5 sys/kern/uipc_syscalls.c:785
sys_sendto(ffff80002a7bc7e0,ffff80003c957280,ffff80003c9571d0) at sys_sendto+0x8d sys/kern/uipc_syscalls.c:563
syscall(ffff80003c957280) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80003c957280) at syscall+0x962 sys/arch/amd64/amd64/trap.c:775
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xd0f13842440, count: -10
ddb> show registers
rdi 0xffff80003a510000
rsi 0x95d
rbp 0xffff80003c956c30
rbx 0xde
rdx 0xffff80003a510000
rcx 0xffff80000159ff20
rax 0xfffffd80775dd9e0
r8 0x1000 __ALIGN_SIZE
r9 0
r10 0x5576ef006af2ec45
r11 0xcb380eaf9108123b
r12 0x1c
r13 0xfffffd80775dd900
r14 0xfffffd8068746810
r15 0xffff8000002a2058
rip 0xffffffff8139bd24 arp_rtrequest+0x6a4
cs 0x8
rflags 0x10246 __ALIGN_SIZE+0xf246
rsp 0xffff80003c956bb0
ss 0x10
arp_rtrequest+0x6a4: movzwl 0xc(%rcx,%rbx,1),%ecx
ddb> show proc
PROC (syz-executor) tid=211405 pid=82946 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=0xffff80002a7bc2b0,0xffffffff83887148
process=0xffff8000ffffb618 user=0xffff80003c952000, vmspace=0xfffffd806b4d4468
estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0
ddb> ps
PID TID PPID UID S FLAGS WAIT COMMAND
82946 418348 60298 0 2 0 syz-executor
*82946 211405 60298 0 7 0x4000000 syz-executor
23253 371351 71590 0 2 0x100000 sh
40305 506176 68322 0 2 0 syz-executor
40305 244071 68322 0 3 0x4000080 fsleep syz-executor
35212 102991 17556 0 2 0x2 ndp
30528 246122 74977 0 2 0 syz-executor
30528 435731 74977 0 3 0x4000080 fsleep syz-executor
30528 232075 74977 0 2 0x4000000 syz-executor
27652 111882 780 0 2 0 syz-executor
27652 58282 780 0 3 0x4000080 fsleep syz-executor
51682 359112 41880 0 2 0 syz-executor
51682 216498 41880 0 3 0x4000080 fsleep syz-executor
85294 47022 44494 0 2 0 syz-executor
85294 155849 44494 0 3 0x4000080 fsleep syz-executor
71590 396525 83757 0 3 0x10008a sigsusp sh
17556 97644 98192 0 3 0x10008a sigsusp sh
60298 15275 79208 0 2 0xc82 syz-executor
44494 151611 79208 0 3 0x82 nanoslp syz-executor
780 467093 79208 0 2 0xc82 syz-executor
74977 134619 79208 0 3 0x82 nanoslp syz-executor
98192 413909 79208 0 3 0x82 wait syz-executor
68322 118039 79208 0 3 0x82 nanoslp syz-executor
41880 145555 79208 0 2 0xc82 syz-executor
83757 189545 79208 0 3 0x82 wait syz-executor
79208 508177 66468 0 3 0x82 kqread syz-executor
66468 8530 334 0 3 0x10008a sigsusp ksh
334 469596 96141 0 3 0x98 kqread sshd-session
96141 325027 65114 0 3 0x92 kqread sshd-session
11415 447394 1 0 3 0x100083 ttyin getty
65114 113459 1 0 3 0x88 kqread sshd
86571 389080 27388 73 3 0x1100090 kqread syslogd
27388 110667 1 0 3 0x100082 sbwait syslogd
83224 169222 1 0 3 0x100080 kqread resolvd
97935 296691 48639 77 3 0x100092 kqread dhcpleased
46035 66919 48639 77 3 0x100092 kqread dhcpleased
48639 295403 1 0 3 0x80 kqread dhcpleased
8211 5267 0 0 3 0x14200 bored smr
86080 310316 0 0 2 0x14200 zerothread
91005 420350 0 0 3 0x14200 aiodoned aiodoned
67798 105787 0 0 3 0x14200 syncer update
47105 329478 0 0 3 0x14200 cleaner cleaner
74071 94524 0 0 3 0x14200 reaper reaper
50649 430889 0 0 3 0x14200 pgdaemon pagedaemon
92637 5113 0 0 3 0x14200 bored viomb
23130 134416 0 0 3 0x40014200 acpi0 acpi0
70807 232243 0 0 3 0x14200 bored softnet0
92319 55967 0 0 3 0x14200 smrbar systqmp
90475 101065 0 0 3 0x14200 bored systq
31554 77172 0 0 3 0x40014200 tmoslp softclock
95019 376113 0 0 3 0x40014200 idle0
1 490744 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 11026 12102K 12162K 166960K 12116 0
pcb 17 12K 12K 166960K 17 0
rtable 242 7K 7K 166960K 358 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 0K 166960K 1 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1336 84K 84K 166960K 1358 0
UFS quota 1 32K 32K 166960K 1 0
UFS mount 5 36K 36K 166960K 5 0
shm 3 5K 5K 166960K 3 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 20 73K 89K 166960K 140 0
proc 59 59K 108K 166960K 473 0
subproc 72 4K 4K 166960K 72 0
NFS srvsock 1 0K 0K 166960K 1 0
NFS daemon 1 16K 16K 166960K 1 0
in_multi 99 7K 7K 166960K 99 0
ether_multi 1 0K 0K 166960K 1 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 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 222 145K 151K 166960K 2965 0
UVM aobj 4 2K 2K 166960K 4 0
pinsyscall 42 84K 92K 166960K 1205 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 8666K 8730K 166960K 3761 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 35 0 31 1 0 1 1 0 8 0
rtentry 136 110 0 1 4 0 4 4 0 8 0
unpcb 144 32 0 17 1 0 1 1 0 8 0
syncache 336 3 0 3 1 0 1 1 0 8 1
tcpcb 736 8 0 4 1 0 1 1 0 8 0
arp 96 18 0 0 1 0 1 1 0 8 0
inpcb 328 60 0 51 2 0 2 2 0 8 1
nd6 112 22 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 256 451 0 0 29 0 29 29 0 8 0
art_table 40 453 0 0 5 0 5 5 0 8 0
art_node 32 110 0 9 1 0 1 1 0 8 0
shmpl 112 1 0 0 1 0 1 1 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 1562 0 58 95 0 95 95 0 8 0
ffsino 256 1562 0 58 95 0 95 95 0 8 0
nchpl 144 1757 0 71 63 0 63 63 0 8 0
vnodes 216 1645 0 0 92 0 92 92 0 8 0
namei 1024 5044 0 5044 2 0 2 2 0 8 2
kstatmem 264 22 0 0 2 0 2 2 0 8 0
scxspl 216 5636 0 5636 3 0 3 3 1 8 3
plimitpl 152 27 0 11 1 0 1 1 0 8 0
sigapl 424 426 0 381 6 0 6 6 0 8 0
knotepl 120 3028 0 2981 2 0 2 2 0 8 0
kqueuepl 184 20 0 11 1 0 1 1 0 8 0
pipepl 304 113 0 85 3 0 3 3 0 8 0
fdescpl 448 413 0 381 5 0 5 5 0 8 1
filepl 120 1370 0 1160 7 0 7 7 0 8 0
lockfpl 104 8 0 6 1 0 1 1 0 8 0
lockfspl 48 5 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 73 0 62 1 0 1 1 0 8 0
zombiepl 144 381 0 381 1 0 1 1 0 8 1
processpl 1152 426 0 381 4 0 4 4 0 8 0
procpl 664 439 0 387 5 0 5 5 0 8 0
sockpl 552 128 0 100 3 0 3 3 0 8 0
mcl8k 8192 4 0 4 1 0 1 1 0 8 1
mcl4k 4096 2452 0 2397 15 0 15 15 0 8 6
mcl2k 2048 110 0 110 1 0 1 1 0 8 1
mtagpl 96 4 0 4 1 0 1 1 0 8 1
mbufpl 256 3960 0 3822 9 0 9 9 0 8 0
bufpl 280 2241 0 119 152 0 152 152 0 8 0
anonpl 24 88512 0 85426 30 0 30 30 0 187 10
amapchunkpl 152 8075 0 7633 18 0 18 18 0 158 1
amappl16 200 1401 0 1385 4 0 4 4 0 8 3
amappl15 192 6 0 6 1 0 1 1 0 8 1
amappl14 184 54 0 54 1 0 1 1 0 8 1
amappl13 176 407 0 403 1 0 1 1 0 8 0
amappl12 168 747 0 708 2 0 2 2 0 8 0
amappl11 160 4 0 4 1 0 1 1 0 8 1
amappl10 152 41 0 31 1 0 1 1 0 8 0
amappl9 144 249 0 249 1 0 1 1 0 8 1
amappl8 136 45 0 44 1 0 1 1 0 8 0
amappl7 128 78 0 76 1 0 1 1 0 8 0
amappl6 120 260 0 246 1 0 1 1 0 8 0
amappl5 112 68 0 61 1 0 1 1 0 8 0
amappl4 104 368 0 343 1 0 1 1 0 8 0
amappl3 96 1235 0 1152 3 0 3 3 0 8 0
amappl2 88 531 0 463 2 0 2 2 0 8 0
amappl1 80 8650 0 8086 12 0 12 12 0 8 0
amappl 88 2283 0 2133 4 0 4 4 0 92 0
uvmvnodes 80 96 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 3 0 0 1 0 1 1 0 8 0
uaddrrnd 24 413 0 381 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 413 0 381 1 0 1 1 0 8 0
vmmpekpl 168 5011 0 4984 2 0 2 2 0 8 0
vmmpepl 168 33821 0 32024 79 0 79 79 0 357 0
vmsppl 368 412 0 381 4 0 4 4 0 8 1
rwobjpl 40 12410 0 11467 10 0 10 10 0 8 0
pdppl 4096 832 0 762 92 14 78 78 0 8 8
pvpl 32 203531 0 195162 86 0 86 86 0 265 18
pmappl 216 412 0 381 2 0 2 2 0 8 0
extentpl 40 45 0 27 1 0 1 1 0 8 0
phpool 112 358 0 14 10 0 10 10 0 8 0
ddb> machine ddbcpu 0
No such command
ddb> trace
arp_rtrequest(ffff8000002a2058,1,fffffd8068746810) at arp_rtrequest+0x6a4 arprequest sys/netinet/if_ether.c:325 [inline]
arp_rtrequest(ffff8000002a2058,1,fffffd8068746810) at arp_rtrequest+0x6a4 sys/netinet/if_ether.c:226
rtrequest(1,ffff80003c956de0,0,ffff80003c956d50,16) at rtrequest+0xdc1 sys/net/route.c:1114
rtm_output(ffff80000159e500,ffff80003c956e88,ffff80003c956de0,0,16) at rtm_output+0x91a sys/net/rtsock.c:953
route_output(fffffd80775dde00,ffff8000015915a0) at route_output+0xa2b sys/net/rtsock.c:858
route_send(ffff8000015915a0,fffffd80775dde00,0,0) at route_send+0xd7 sys/net/rtsock.c:322
sosend(ffff8000015915a0,0,ffff80003c957038,0,0,808) at sosend+0x804 sys/kern/uipc_socket.c:-1
sendit(ffff80002a7bc7e0,3,ffff80003c957130,808,ffff80003c9571d0) at sendit+0x5a5 sys/kern/uipc_syscalls.c:785
sys_sendto(ffff80002a7bc7e0,ffff80003c957280,ffff80003c9571d0) at sys_sendto+0x8d sys/kern/uipc_syscalls.c:563
syscall(ffff80003c957280) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80003c957280) at syscall+0x962 sys/arch/amd64/amd64/trap.c:775
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xd0f13842440, count: -10
ddb> machine ddbcpu 1
No such command
ddb> trace
arp_rtrequest(ffff8000002a2058,1,fffffd8068746810) at arp_rtrequest+0x6a4 arprequest sys/netinet/if_ether.c:325 [inline]
arp_rtrequest(ffff8000002a2058,1,fffffd8068746810) at arp_rtrequest+0x6a4 sys/netinet/if_ether.c:226
rtrequest(1,ffff80003c956de0,0,ffff80003c956d50,16) at rtrequest+0xdc1 sys/net/route.c:1114
rtm_output(ffff80000159e500,ffff80003c956e88,ffff80003c956de0,0,16) at rtm_output+0x91a sys/net/rtsock.c:953
route_output(fffffd80775dde00,ffff8000015915a0) at route_output+0xa2b sys/net/rtsock.c:858
route_send(ffff8000015915a0,fffffd80775dde00,0,0) at route_send+0xd7 sys/net/rtsock.c:322
sosend(ffff8000015915a0,0,ffff80003c957038,0,0,808) at sosend+0x804 sys/kern/uipc_socket.c:-1
sendit(ffff80002a7bc7e0,3,ffff80003c957130,808,ffff80003c9571d0) at sendit+0x5a5 sys/kern/uipc_syscalls.c:785
sys_sendto(ffff80002a7bc7e0,ffff80003c957280,ffff80003c9571d0) at sys_sendto+0x8d sys/kern/uipc_syscalls.c:563
syscall(ffff80003c957280) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80003c957280) at syscall+0x962 sys/arch/amd64/amd64/trap.c:775
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xd0f13842440, count: -10