uvm_fault(0xffffffff8391e288, 0xffff80000164a00a, 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
*305042 48980 0 0 0x4000000 0 syz-executor
arp_rtrequest(ffff8000002a2058,1,fffffd807e843220) at arp_rtrequest+0x6a4 arprequest sys/netinet/if_ether.c:325 [inline]
arp_rtrequest(ffff8000002a2058,1,fffffd807e843220) at arp_rtrequest+0x6a4 sys/netinet/if_ether.c:226
rtrequest(1,ffff80003c9752d0,0,ffff80003c975240,16) at rtrequest+0xdc1 sys/net/route.c:1114
rtm_output(ffff800001648300,ffff80003c975378,ffff80003c9752d0,0,16) at rtm_output+0x91a sys/net/rtsock.c:953
route_output(fffffd806b729c00,ffff800010fdd9f0) at route_output+0xa2b sys/net/rtsock.c:858
route_send(ffff800010fdd9f0,fffffd806b729c00,0,0) at route_send+0xd7 sys/net/rtsock.c:322
sosend(ffff800010fdd9f0,0,ffff80003c975528,0,0,808) at sosend+0x804 sys/kern/uipc_socket.c:-1
sendit(ffff80002a7bd4d8,8,ffff80003c975620,808,ffff80003c9756c0) at sendit+0x5a5 sys/kern/uipc_syscalls.c:785
sys_sendto(ffff80002a7bd4d8,ffff80003c975770,ffff80003c9756c0) at sys_sendto+0x8d sys/kern/uipc_syscalls.c:563
syscall(ffff80003c975770) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80003c975770) at syscall+0x962 sys/arch/amd64/amd64/trap.c:775
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x320230856f0, 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(0xffffffff8391e288, 0xffff80000164a00a, 0, 1) -> e
ddb> trace
arp_rtrequest(ffff8000002a2058,1,fffffd807e843220) at arp_rtrequest+0x6a4 arprequest sys/netinet/if_ether.c:325 [inline]
arp_rtrequest(ffff8000002a2058,1,fffffd807e843220) at arp_rtrequest+0x6a4 sys/netinet/if_ether.c:226
rtrequest(1,ffff80003c9752d0,0,ffff80003c975240,16) at rtrequest+0xdc1 sys/net/route.c:1114
rtm_output(ffff800001648300,ffff80003c975378,ffff80003c9752d0,0,16) at rtm_output+0x91a sys/net/rtsock.c:953
route_output(fffffd806b729c00,ffff800010fdd9f0) at route_output+0xa2b sys/net/rtsock.c:858
route_send(ffff800010fdd9f0,fffffd806b729c00,0,0) at route_send+0xd7 sys/net/rtsock.c:322
sosend(ffff800010fdd9f0,0,ffff80003c975528,0,0,808) at sosend+0x804 sys/kern/uipc_socket.c:-1
sendit(ffff80002a7bd4d8,8,ffff80003c975620,808,ffff80003c9756c0) at sendit+0x5a5 sys/kern/uipc_syscalls.c:785
sys_sendto(ffff80002a7bd4d8,ffff80003c975770,ffff80003c9756c0) at sys_sendto+0x8d sys/kern/uipc_syscalls.c:563
syscall(ffff80003c975770) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80003c975770) at syscall+0x962 sys/arch/amd64/amd64/trap.c:775
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x320230856f0, count: -10
ddb> show registers
rdi 0x20
rsi 0x90
rbp 0xffff80003c975120
rbx 0xde
rdx 0
rcx 0xffff800001649f20
rax 0xfffffd806b729be0
r8 0x1000 __ALIGN_SIZE
r9 0
r10 0xe0efeeda7be85844
r11 0xba6e44b0e1a5cf97
r12 0x22
r13 0xfffffd806b729b00
r14 0xfffffd807e843220
r15 0xffff8000002a2058
rip 0xffffffff826b0ba4 arp_rtrequest+0x6a4
cs 0x8
rflags 0x10246 __ALIGN_SIZE+0xf246
rsp 0xffff80003c9750a0
ss 0x10
arp_rtrequest+0x6a4: movzwl 0xc(%rcx,%rbx,1),%ecx
ddb> show proc
PROC (syz-executor) tid=305042 pid=48980 tcnt=4 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=0xffff80002a7bc7e0,0xffff80002a7bcfb8
process=0xffff8000ffff8018 user=0xffff80003c970000, vmspace=0xfffffd800dc3da28
estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0
ddb> ps
PID TID PPID UID S FLAGS WAIT COMMAND
48980 448912 35818 0 2 0 syz-executor
*48980 305042 35818 0 7 0x4000000 syz-executor
48980 11884 35818 0 3 0x4000080 fsleep syz-executor
48980 446687 35818 0 3 0x4000080 fsleep syz-executor
97140 305503 95597 0 3 0x80 nanoslp syz-executor
97140 307648 95597 0 3 0x4000080 pipewr syz-executor
97140 497522 95597 0 3 0x4000080 fsleep syz-executor
80480 324607 58042 0 3 0x80 nanoslp syz-executor
80480 516990 58042 0 3 0x4000080 kqsel syz-executor
80480 409118 58042 0 3 0x4000080 fsleep syz-executor
43878 389604 66150 0 3 0x80 nanoslp syz-executor
43878 270625 66150 0 3 0x4000080 ttyin syz-executor
43878 334137 66150 0 3 0x4000080 fsleep syz-executor
3142 148715 1 0 3 0x80 nanoslp init
35818 504191 90069 0 2 0xc82 syz-executor
99103 467361 90069 0 3 0x82 wait syz-executor
66150 16902 90069 0 2 0xc82 syz-executor
68868 329743 90069 0 2 0xc82 syz-executor
58042 213124 90069 0 2 0xc82 syz-executor
95597 55170 90069 0 3 0x82 nanoslp syz-executor
19525 387966 90069 0 3 0x82 nanoslp syz-executor
38271 331354 90069 0 3 0x82 wait syz-executor
90069 409657 13591 0 3 0x82 kqread syz-executor
13591 69037 65147 0 3 0x10008a sigsusp ksh
65147 320603 3588 0 3 0x98 kqread sshd-session
3588 445978 64584 0 3 0x92 kqread sshd-session
64584 214395 1 0 3 0x88 kqread sshd
78747 767 13901 73 3 0x1100090 kqread syslogd
13901 86792 1 0 3 0x100082 sbwait syslogd
49978 459891 1 0 3 0x100080 kqread resolvd
48780 150430 95301 77 3 0x100092 kqread dhcpleased
66563 488926 95301 77 3 0x100092 kqread dhcpleased
95301 415861 1 0 3 0x80 kqread dhcpleased
3259 52329 0 0 3 0x14200 bored smr
91532 99050 0 0 2 0x14200 zerothread
85129 240520 0 0 3 0x14200 aiodoned aiodoned
18195 91777 0 0 3 0x14200 syncer update
60576 6105 0 0 3 0x14200 cleaner cleaner
11887 12327 0 0 3 0x14200 reaper reaper
1784 9063 0 0 3 0x14200 pgdaemon pagedaemon
71197 148255 0 0 3 0x14200 bored viomb
77826 103152 0 0 3 0x40014200 acpi0 acpi0
13935 321888 0 0 3 0x14200 bored softnet0
56127 462063 0 0 3 0x14200 bored systqmp
10290 223707 0 0 3 0x14200 bored systq
99891 249407 0 0 3 0x40014200 tmoslp softclock
69037 240957 0 0 3 0x40014200 idle0
1 238880 0 0 3 0x82 wait init
0 0 -1 0 3 0x10010200 scheduler swapper
ddb> show all locks
No such command
ddb> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 11051 12253K 12467K 166960K 13146 0
pcb 20 13K 14K 166960K 160 0
rtable 226 8K 8K 166960K 489 0
pf 32 13K 15K 166960K 190 0
ifaddr 42 7K 7K 166960K 65 0
ifgroup 50 2K 2K 166960K 79 0
sysctl 3 1K 9K 166960K 10 0
counters 33 17K 18K 166960K 83 0
ioctlops 0 0K 4K 166960K 315 0
iov 1 12K 14K 166960K 54 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1461 92K 92K 166960K 1812 0
UFS quota 1 32K 32K 166960K 1 0
UFS mount 5 36K 36K 166960K 5 0
shm 2 1K 9K 166960K 12 0
VM map 2 1K 1K 166960K 2 0
sem 7 0K 0K 166960K 9 0
dirhash 12 2K 2K 166960K 18 0
ACPI 1692 195K 286K 166960K 12470 0
file desc 18 65K 97K 166960K 470 0
sigio 1 0K 0K 166960K 47 0
proc 51 50K 100K 166960K 533 0
subproc 72 4K 4K 166960K 81 0
NFS srvsock 1 0K 0K 166960K 1 0
NFS daemon 1 16K 16K 166960K 1 0
ip_moptions 0 0K 0K 166960K 55 0
in_multi 94 6K 7K 166960K 135 0
ether_multi 1 0K 0K 166960K 4 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 85 387K 387K 166960K 85 0
exec 0 0K 1K 166960K 422 0
fusefs mount 1 32K 32K 166960K 1 0
pfkey data 0 0K 0K 166960K 1 0
tdb 3 0K 0K 166960K 3 0
VM swap 8 62K 64K 166960K 10 0
UVM amap 237 155K 176K 166960K 5674 0
UVM aobj 17 8K 8K 166960K 21 0
pinsyscall 38 76K 94K 166960K 1579 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
ip6_options 0 0K 0K 166960K 6 0
NDP 11 0K 1K 166960K 42 0
temp 49 8661K 8725K 166960K 14793 0
kqueue 14 22K 31K 166960K 95 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 66 0 62 1 0 1 1 0 8 0
rtentry 136 133 0 38 4 0 4 4 0 8 0
unpcb 144 209 0 192 2 1 1 2 0 8 0
syncache 336 7 0 7 1 1 0 1 0 8 0
tcpqe 32 3 0 3 1 1 0 1 0 8 0
tcpcb 736 83 0 76 2 1 1 2 0 8 0
arp 96 20 0 2 1 0 1 1 0 8 0
ipq 40 2 0 0 1 0 1 1 0 8 0
ipqe 40 3 0 1 1 0 1 1 0 8 0
inpcb 328 389 0 375 5 3 2 5 0 8 0
ip6q 72 1 0 0 1 0 1 1 0 8 0
ip6af 40 1 0 0 1 0 1 1 0 8 0
nd6 112 29 0 8 1 0 1 1 0 8 0
pkpcb 40 4 0 4 1 1 0 1 0 8 0
kcovpl 48 9 0 1 1 0 1 1 0 8 0
mppekey 1024 1 0 1 1 1 0 1 0 8 0
ppxss 1072 48 0 48 1 0 1 1 0 8 1
pfstscr 40 1 0 1 1 1 0 1 0 8 0
pftag 88 1 0 0 1 0 1 1 0 8 0
pfstitem 24 2 0 0 1 0 1 1 0 8 0
pfstkey 128 4 0 2 1 0 1 1 0 8 0
pfstate 384 2 0 1 1 0 1 1 0 8 0
pfrule 1344 65 0 65 1 1 0 1 0 8 0
art_heap8 4096 2 0 0 2 0 2 2 0 8 0
art_heap4 256 577 0 165 28 1 27 28 0 8 0
art_table 40 579 0 165 5 0 5 5 0 8 0
art_node 32 132 0 46 1 0 1 1 0 8 0
sysvmsgpl 40 5 0 5 2 1 1 1 0 8 1
semapl 112 6 0 1 1 0 1 1 0 8 0
shmpl 112 16 0 3 1 0 1 1 0 8 0
dirhash 1024 21 0 4 3 0 3 3 0 8 0
dino2pl 256 2161 0 655 95 0 95 95 0 8 0
ffsino 256 2161 0 655 95 0 95 95 0 8 0
nchpl 144 2823 0 1127 64 0 64 64 0 8 0
rtmask 32 4 0 4 1 1 0 1 0 8 0
vnodes 216 2578 0 0 144 0 144 144 0 8 0
namei 1024 10274 0 10274 2 1 1 1 0 8 1
vcpupl 3904 1 0 0 1 0 1 1 0 8 0
vmpool 808 2 0 1 1 0 1 1 0 8 0
kstatmem 264 46 0 24 2 0 2 2 0 8 0
scsiplug 72 1 0 1 1 1 0 1 0 8 0
scxspl 216 8538 0 8538 2 1 1 2 1 8 1
plimitpl 152 173 0 155 1 0 1 1 0 8 0
sigapl 424 759 0 716 6 1 5 6 0 8 0
knotepl 120 16296 0 16000 22 13 9 16 0 8 0
kqueuepl 184 189 0 177 3 2 1 3 0 8 0
pipepl 304 149 0 120 3 0 3 3 0 8 0
fdescpl 448 745 0 715 5 1 4 5 0 8 0
filepl 120 4452 0 4224 12 3 9 12 0 8 0
lockfpl 104 112 0 110 1 0 1 1 0 8 0
lockfspl 48 54 0 52 1 0 1 1 0 8 0
sessionpl 144 25 0 18 1 0 1 1 0 8 0
pgrppl 48 42 0 27 1 0 1 1 0 8 0
ucredpl 104 419 0 407 1 0 1 1 0 8 0
zombiepl 144 720 0 716 1 0 1 1 0 8 0
processpl 1152 759 0 716 4 0 4 4 0 8 0
procpl 664 1254 0 1202 5 0 5 5 0 8 0
sosppl 176 2 0 2 1 1 0 1 0 8 0
sockpl 552 678 0 643 6 3 3 6 0 8 0
mcl64k 65536 129 0 129 2 1 1 1 0 8 1
mcl16k 16384 2 0 2 1 1 0 1 0 8 0
mcl9k 9216 2 0 2 1 1 0 1 0 8 0
mcl8k 8192 7 0 7 1 1 0 1 0 8 0
mcl4k 4096 2890 0 2836 14 6 8 14 0 8 1
mcl2k 2048 822 0 816 5 3 2 5 0 8 1
mtagpl 96 43 0 8 1 0 1 1 0 8 0
mbufpl 256 8069 0 7848 20 0 20 20 0 8 4
bufpl 280 2921 0 121 200 0 200 200 0 8 0
anonpl 24 114160 0 110961 44 19 25 44 0 187 0
amapchunkpl 152 17740 0 17230 30 8 22 30 0 158 1
amappl16 200 1290 0 1260 4 2 2 4 0 8 0
amappl15 192 11 0 11 1 1 0 1 0 8 0
amappl14 184 2 0 2 1 1 0 1 0 8 0
amappl13 176 426 0 425 1 0 1 1 0 8 0
amappl12 168 1094 0 1057 2 0 2 2 0 8 0
amappl11 160 4 0 3 1 0 1 1 0 8 0
amappl10 152 98 0 87 1 0 1 1 0 8 0
amappl9 144 259 0 259 1 1 0 1 0 8 0
amappl8 136 43 0 41 1 0 1 1 0 8 0
amappl7 128 98 0 95 1 0 1 1 0 8 0
amappl6 120 295 0 283 1 0 1 1 0 8 0
amappl5 112 102 0 94 1 0 1 1 0 8 0
amappl4 104 412 0 391 1 0 1 1 0 8 0
amappl3 96 3366 0 3254 3 0 3 3 0 8 0
amappl2 88 537 0 485 2 0 2 2 0 8 0
amappl1 80 10796 0 10281 13 0 13 13 0 8 0
amappl 88 4903 0 4730 5 1 4 5 0 92 0
uvmvnodes 80 105 0 0 3 0 3 3 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 20 0 4 1 0 1 1 0 8 0
uaddrrnd 24 745 0 715 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 745 0 715 1 0 1 1 0 8 0
vmmpekpl 168 7449 0 7415 2 0 2 2 0 8 0
vmmpepl 168 53477 0 51679 86 6 80 86 0 357 0
vmsppl 368 744 0 715 4 1 3 4 0 8 0
rwobjpl 40 16110 0 15173 11 0 11 11 0 8 0
pdppl 4096 1500 0 1433 96 29 67 82 0 8 0
pvpl 32 320588 0 311816 116 32 84 116 0 265 0
pmappl 216 746 0 716 3 0 3 3 0 8 0
extentpl 40 45 0 27 1 0 1 1 0 8 0
phpool 112 381 0 50 11 0 11 11 0 8 0
ddb> machine ddbcpu 0
No such command
ddb> trace
arp_rtrequest(ffff8000002a2058,1,fffffd807e843220) at arp_rtrequest+0x6a4 arprequest sys/netinet/if_ether.c:325 [inline]
arp_rtrequest(ffff8000002a2058,1,fffffd807e843220) at arp_rtrequest+0x6a4 sys/netinet/if_ether.c:226
rtrequest(1,ffff80003c9752d0,0,ffff80003c975240,16) at rtrequest+0xdc1 sys/net/route.c:1114
rtm_output(ffff800001648300,ffff80003c975378,ffff80003c9752d0,0,16) at rtm_output+0x91a sys/net/rtsock.c:953
route_output(fffffd806b729c00,ffff800010fdd9f0) at route_output+0xa2b sys/net/rtsock.c:858
route_send(ffff800010fdd9f0,fffffd806b729c00,0,0) at route_send+0xd7 sys/net/rtsock.c:322
sosend(ffff800010fdd9f0,0,ffff80003c975528,0,0,808) at sosend+0x804 sys/kern/uipc_socket.c:-1
sendit(ffff80002a7bd4d8,8,ffff80003c975620,808,ffff80003c9756c0) at sendit+0x5a5 sys/kern/uipc_syscalls.c:785
sys_sendto(ffff80002a7bd4d8,ffff80003c975770,ffff80003c9756c0) at sys_sendto+0x8d sys/kern/uipc_syscalls.c:563
syscall(ffff80003c975770) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80003c975770) at syscall+0x962 sys/arch/amd64/amd64/trap.c:775
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x320230856f0, count: -10
ddb> machine ddbcpu 1
No such command
ddb> trace
arp_rtrequest(ffff8000002a2058,1,fffffd807e843220) at arp_rtrequest+0x6a4 arprequest sys/netinet/if_ether.c:325 [inline]
arp_rtrequest(ffff8000002a2058,1,fffffd807e843220) at arp_rtrequest+0x6a4 sys/netinet/if_ether.c:226
rtrequest(1,ffff80003c9752d0,0,ffff80003c975240,16) at rtrequest+0xdc1 sys/net/route.c:1114
rtm_output(ffff800001648300,ffff80003c975378,ffff80003c9752d0,0,16) at rtm_output+0x91a sys/net/rtsock.c:953
route_output(fffffd806b729c00,ffff800010fdd9f0) at route_output+0xa2b sys/net/rtsock.c:858
route_send(ffff800010fdd9f0,fffffd806b729c00,0,0) at route_send+0xd7 sys/net/rtsock.c:322
sosend(ffff800010fdd9f0,0,ffff80003c975528,0,0,808) at sosend+0x804 sys/kern/uipc_socket.c:-1
sendit(ffff80002a7bd4d8,8,ffff80003c975620,808,ffff80003c9756c0) at sendit+0x5a5 sys/kern/uipc_syscalls.c:785
sys_sendto(ffff80002a7bd4d8,ffff80003c975770,ffff80003c9756c0) at sys_sendto+0x8d sys/kern/uipc_syscalls.c:563
syscall(ffff80003c975770) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80003c975770) at syscall+0x962 sys/arch/amd64/amd64/trap.c:775
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x320230856f0, count: -10