login: uvm_fault(0xffffffff838eeff0, 0xffff80000148b08a, 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
*280666 45530 0 0 0x4000000 0 syz-executor
arp_rtrequest(ffff800000039058,1,fffffd806b7c0810) at arp_rtrequest+0x6a4 arprequest sys/netinet/if_ether.c:325 [inline]
arp_rtrequest(ffff800000039058,1,fffffd806b7c0810) at arp_rtrequest+0x6a4 sys/netinet/if_ether.c:226
rtrequest(1,ffff80003c9696c0,0,ffff80003c969630,16) at rtrequest+0xf08 sys/net/route.c:1115
rtm_output(ffff800001488a00,ffff80003c969768,ffff80003c9696c0,0,16) at rtm_output+0x91a sys/net/rtsock.c:953
route_output(fffffd805f03a400,ffff800001482ad8) at route_output+0xa2b sys/net/rtsock.c:858
route_send(ffff800001482ad8,fffffd805f03a400,0,0) at route_send+0xd7 sys/net/rtsock.c:322
sosend(ffff800001482ad8,0,ffff80003c969918,0,0,808) at sosend+0x804 sys/kern/uipc_socket.c:-1
sendit(ffff80002a7aad10,3,ffff80003c969a10,808,ffff80003c969ab0) at sendit+0x5a5 sys/kern/uipc_syscalls.c:785
sys_sendto(ffff80002a7aad10,ffff80003c969b60,ffff80003c969ab0) at sys_sendto+0x8d sys/kern/uipc_syscalls.c:563
syscall(ffff80003c969b60) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80003c969b60) at syscall+0x962 sys/arch/amd64/amd64/trap.c:746
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x9348989aa10, 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(0xffffffff838eeff0, 0xffff80000148b08a, 0, 1) -> e
ddb> trace
arp_rtrequest(ffff800000039058,1,fffffd806b7c0810) at arp_rtrequest+0x6a4 arprequest sys/netinet/if_ether.c:325 [inline]
arp_rtrequest(ffff800000039058,1,fffffd806b7c0810) at arp_rtrequest+0x6a4 sys/netinet/if_ether.c:226
rtrequest(1,ffff80003c9696c0,0,ffff80003c969630,16) at rtrequest+0xf08 sys/net/route.c:1115
rtm_output(ffff800001488a00,ffff80003c969768,ffff80003c9696c0,0,16) at rtm_output+0x91a sys/net/rtsock.c:953
route_output(fffffd805f03a400,ffff800001482ad8) at route_output+0xa2b sys/net/rtsock.c:858
route_send(ffff800001482ad8,fffffd805f03a400,0,0) at route_send+0xd7 sys/net/rtsock.c:322
sosend(ffff800001482ad8,0,ffff80003c969918,0,0,808) at sosend+0x804 sys/kern/uipc_socket.c:-1
sendit(ffff80002a7aad10,3,ffff80003c969a10,808,ffff80003c969ab0) at sendit+0x5a5 sys/kern/uipc_syscalls.c:785
sys_sendto(ffff80002a7aad10,ffff80003c969b60,ffff80003c969ab0) at sys_sendto+0x8d sys/kern/uipc_syscalls.c:563
syscall(ffff80003c969b60) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80003c969b60) at syscall+0x962 sys/arch/amd64/amd64/trap.c:746
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x9348989aa10, count: -10
ddb> show registers
rdi 0xffff800038d14000
rsi 0x932
rbp 0xffff80003c969510
rbx 0xde
rdx 0xffff800038d14000
rcx 0xffff80000148afa0
rax 0xfffffd805f03a2e0
r8 0x1000 __ALIGN_SIZE
r9 0
r10 0x134a3f0a815ec44f
r11 0x9f6cfb7bc310fb43
r12 0x19
r13 0xfffffd805f03a200
r14 0xfffffd806b7c0810
r15 0xffff800000039058
rip 0xffffffff81892084 arp_rtrequest+0x6a4
cs 0x8
rflags 0x10246 __ALIGN_SIZE+0xf246
rsp 0xffff80003c969490
ss 0x10
arp_rtrequest+0x6a4: movzwl 0xc(%rcx,%rbx,1),%ecx
ddb> show proc
PROC (syz-executor) tid=280666 pid=45530 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=0xffff80002a7ab4d8,0xffffffff838d6708
process=0xffff8000ffff8d98 user=0xffff80003c964000, vmspace=0xfffffd806b817018
estcpu=14, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0
ddb> ps
PID TID PPID UID S FLAGS WAIT COMMAND
45530 450710 88138 0 2 0 syz-executor
*45530 280666 88138 0 7 0x4000000 syz-executor
20612 437060 59865 0 2 0 syz-executor
20612 127088 59865 0 3 0x4000080 fsleep syz-executor
72341 504635 24877 0 2 0 syz-executor
22600 278997 93144 0 2 0 syz-executor
22600 460386 93144 0 3 0x4000080 fsleep syz-executor
22600 432017 93144 0 3 0x4000080 fsleep syz-executor
99689 221060 39562 0 2 0 syz-executor
99689 471593 39562 0 3 0x4000080 fsleep syz-executor
99689 280189 39562 0 3 0x4000080 fsleep syz-executor
58783 440024 13052 0 2 0 syz-executor
58783 375860 13052 0 3 0x4000080 fsleep syz-executor
74764 335490 88773 0 2 0 syz-executor
74764 517308 88773 0 3 0x4000080 fsleep syz-executor
74764 168916 88773 0 3 0x4000080 fsleep syz-executor
5667 149014 6728 0 2 0 syz-executor
5667 398390 6728 0 3 0x4000080 fsleep syz-executor
88138 365137 60526 0 3 0x82 nanoslp syz-executor
24877 409608 60526 0 2 0xc82 syz-executor
88773 242410 60526 0 3 0x82 nanoslp syz-executor
59865 218545 60526 0 2 0xc82 syz-executor
39562 48857 60526 0 2 0xc82 syz-executor
93144 21642 60526 0 3 0x82 nanoslp syz-executor
13052 82997 60526 0 3 0x82 nanoslp syz-executor
6728 316711 60526 0 2 0xc82 syz-executor
60526 290498 83684 0 3 0x82 kqread syz-executor
83684 491310 96938 0 3 0x10008a sigsusp ksh
96938 52057 17115 0 3 0x98 kqread sshd-session
17115 15185 50450 0 3 0x92 kqread sshd-session
89331 435549 1 0 3 0x100083 ttyin getty
50450 236302 1 0 3 0x88 kqread sshd
12184 2668 36016 73 3 0x1100090 kqread syslogd
36016 383568 1 0 3 0x100082 sbwait syslogd
51570 51357 1 0 3 0x100080 kqread resolvd
48107 111246 15335 77 3 0x100092 kqread dhcpleased
89093 68335 15335 77 3 0x100092 kqread dhcpleased
15335 47285 1 0 3 0x80 kqread dhcpleased
59024 92345 0 0 3 0x14200 bored smr
92714 360215 0 0 2 0x14200 zerothread
87097 299877 0 0 3 0x14200 aiodoned aiodoned
31391 104690 0 0 3 0x14200 syncer update
65414 95356 0 0 3 0x14200 cleaner cleaner
99231 181841 0 0 3 0x14200 reaper reaper
25555 17452 0 0 3 0x14200 pgdaemon pagedaemon
65529 484234 0 0 3 0x14200 bored viomb
74958 278873 0 0 3 0x40014200 acpi0 acpi0
80657 452329 0 0 3 0x14200 bored softnet0
18926 138284 0 0 3 0x14200 smrbar systqmp
64148 271955 0 0 3 0x14200 bored systq
63698 336410 0 0 3 0x40014200 tmoslp softclock
25295 383954 0 0 3 0x40014200 idle0
1 103063 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 10167 11042K 11052K 166960K 11244 0
pcb 18 12K 12K 166960K 21 0
rtable 214 7K 7K 166960K 276 0
pf 33 13K 13K 166960K 33 0
ifaddr 43 7K 7K 166960K 45 0
ifgroup 55 2K 2K 166960K 55 0
sysctl 1 1K 9K 166960K 5 0
counters 33 17K 17K 166960K 33 0
ioctlops 0 0K 2K 166960K 30 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1338 84K 84K 166960K 1355 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 18 65K 85K 166960K 143 0
proc 57 58K 91K 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
ip_moptions 0 0K 0K 166960K 2 0
in_multi 99 7K 7K 166960K 99 0
ether_multi 1 0K 0K 166960K 1 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 31 148K 148K 166960K 31 0
exec 0 0K 1K 166960K 350 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 223 159K 167K 166960K 2909 0
UVM aobj 3 2K 2K 166960K 3 0
pinsyscall 39 78K 90K 166960K 1175 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
NDP 28 2K 2K 166960K 28 0
temp 34 8630K 8694K 166960K 4687 0
kqueue 13 20K 20K 166960K 21 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 96 0 1 4 0 4 4 0 8 0
unpcb 144 41 0 20 1 0 1 1 0 8 0
syncache 336 3 0 3 1 0 1 1 0 8 1
tcpcb 736 9 0 3 1 0 1 1 0 8 0
arp 96 10 0 0 1 0 1 1 0 8 0
inpcb 328 64 0 53 1 0 1 1 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 104 16 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 256 437 0 0 28 0 28 28 0 8 0
art_table 40 439 0 0 5 0 5 5 0 8 0
art_node 32 96 0 9 1 0 1 1 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 1562 0 53 95 0 95 95 0 8 0
ffsino 256 1562 0 53 95 0 95 95 0 8 0
nchpl 144 1754 0 67 63 0 63 63 0 8 0
uvmvnodes 80 1644 0 0 34 0 34 34 0 8 0
vnodes 216 1644 0 0 92 0 92 92 0 8 0
namei 1024 5107 0 5107 2 0 2 2 0 8 2
kstatmem 264 24 0 0 2 0 2 2 0 8 0
scxspl 216 6228 0 6228 8 0 8 8 1 8 8
plimitpl 152 27 0 11 1 0 1 1 0 8 0
sigapl 424 420 0 377 6 0 6 6 0 8 1
knotepl 120 2780 0 2733 2 0 2 2 0 8 0
kqueuepl 184 18 0 8 1 0 1 1 0 8 0
pipepl 304 99 0 72 3 0 3 3 0 8 0
fdescpl 448 407 0 377 4 0 4 4 0 8 0
filepl 120 1307 0 1086 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 56 1 0 1 1 0 8 0
zombiepl 144 377 0 377 1 0 1 1 0 8 1
processpl 1152 420 0 377 4 0 4 4 0 8 0
procpl 664 435 0 382 5 0 5 5 0 8 0
sockpl 552 143 0 107 3 0 3 3 0 8 0
mcl8k 8192 4 0 4 1 0 1 1 0 8 1
mcl4k 4096 2415 0 2363 13 0 13 13 0 8 6
mcl2k 2048 154 0 152 1 0 1 1 0 8 0
mtagpl 96 4 0 4 1 0 1 1 0 8 1
mbufpl 256 3757 0 3624 10 0 10 10 0 8 1
bufpl 280 2835 0 117 195 0 195 195 0 8 0
anonpl 24 98976 0 95918 23 0 23 23 0 187 4
amapchunkpl 152 8252 0 7773 19 0 19 19 0 158 0
amappl16 200 1925 0 1908 5 0 5 5 0 8 4
amappl15 192 7 0 7 1 0 1 1 0 8 1
amappl14 184 106 0 96 1 0 1 1 0 8 0
amappl13 176 8 0 8 1 0 1 1 0 8 1
amappl12 168 1024 0 993 2 0 2 2 0 8 0
amappl11 160 44 0 34 1 0 1 1 0 8 0
amappl10 152 6 0 6 1 0 1 1 0 8 1
amappl9 144 249 0 249 1 0 1 1 0 8 1
amappl8 136 18 0 17 1 0 1 1 0 8 0
amappl7 128 106 0 96 1 0 1 1 0 8 0
amappl6 120 176 0 173 1 0 1 1 0 8 0
amappl5 112 118 0 112 1 0 1 1 0 8 0
amappl4 104 261 0 248 1 0 1 1 0 8 0
amappl3 96 1177 0 1086 3 0 3 3 0 8 0
amappl2 88 635 0 563 2 0 2 2 0 8 0
amappl1 80 8012 0 7460 12 0 12 12 0 8 0
amappl 88 2276 0 2117 4 0 4 4 0 92 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 24 407 0 377 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 407 0 377 1 0 1 1 0 8 0
vmmpekpl 168 4759 0 4727 2 0 2 2 0 8 0
vmmpepl 168 32873 0 31031 81 0 81 81 0 357 0
vmsppl 368 406 0 377 4 0 4 4 0 8 1
rwobjpl 40 13691 0 11222 26 0 26 26 0 8 1
pdppl 4096 820 0 754 90 14 76 76 0 8 10
pvpl 32 210074 0 201650 69 0 69 69 0 265 1
pmappl 216 406 0 377 2 0 2 2 0 8 0
extentpl 40 45 0 27 1 0 1 1 0 8 0
phpool 112 353 0 14 10 0 10 10 0 8 0
ddb> machine ddbcpu 0
No such command
ddb> trace
arp_rtrequest(ffff800000039058,1,fffffd806b7c0810) at arp_rtrequest+0x6a4 arprequest sys/netinet/if_ether.c:325 [inline]
arp_rtrequest(ffff800000039058,1,fffffd806b7c0810) at arp_rtrequest+0x6a4 sys/netinet/if_ether.c:226
rtrequest(1,ffff80003c9696c0,0,ffff80003c969630,16) at rtrequest+0xf08 sys/net/route.c:1115
rtm_output(ffff800001488a00,ffff80003c969768,ffff80003c9696c0,0,16) at rtm_output+0x91a sys/net/rtsock.c:953
route_output(fffffd805f03a400,ffff800001482ad8) at route_output+0xa2b sys/net/rtsock.c:858
route_send(ffff800001482ad8,fffffd805f03a400,0,0) at route_send+0xd7 sys/net/rtsock.c:322
sosend(ffff800001482ad8,0,ffff80003c969918,0,0,808) at sosend+0x804 sys/kern/uipc_socket.c:-1
sendit(ffff80002a7aad10,3,ffff80003c969a10,808,ffff80003c969ab0) at sendit+0x5a5 sys/kern/uipc_syscalls.c:785
sys_sendto(ffff80002a7aad10,ffff80003c969b60,ffff80003c969ab0) at sys_sendto+0x8d sys/kern/uipc_syscalls.c:563
syscall(ffff80003c969b60) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80003c969b60) at syscall+0x962 sys/arch/amd64/amd64/trap.c:746
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x9348989aa10, count: -10
ddb> machine ddbcpu 1
No such command
ddb> trace
arp_rtrequest(ffff800000039058,1,fffffd806b7c0810) at arp_rtrequest+0x6a4 arprequest sys/netinet/if_ether.c:325 [inline]
arp_rtrequest(ffff800000039058,1,fffffd806b7c0810) at arp_rtrequest+0x6a4 sys/netinet/if_ether.c:226
rtrequest(1,ffff80003c9696c0,0,ffff80003c969630,16) at rtrequest+0xf08 sys/net/route.c:1115
rtm_output(ffff800001488a00,ffff80003c969768,ffff80003c9696c0,0,16) at rtm_output+0x91a sys/net/rtsock.c:953
route_output(fffffd805f03a400,ffff800001482ad8) at route_output+0xa2b sys/net/rtsock.c:858
route_send(ffff800001482ad8,fffffd805f03a400,0,0) at route_send+0xd7 sys/net/rtsock.c:322
sosend(ffff800001482ad8,0,ffff80003c969918,0,0,808) at sosend+0x804 sys/kern/uipc_socket.c:-1
sendit(ffff80002a7aad10,3,ffff80003c969a10,808,ffff80003c969ab0) at sendit+0x5a5 sys/kern/uipc_syscalls.c:785
sys_sendto(ffff80002a7aad10,ffff80003c969b60,ffff80003c969ab0) at sys_sendto+0x8d sys/kern/uipc_syscalls.c:563
syscall(ffff80003c969b60) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80003c969b60) at syscall+0x962 sys/arch/amd64/amd64/trap.c:746
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x9348989aa10, count: -10