uvm_fault(0xffffffff838b2148, 0xffff8000014ac0aa, 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
*342830 14168 0 0 0x4000000 0 syz-executor
arp_rtrequest(ffff80000019f058,1,fffffd806f26f330) at arp_rtrequest+0x6a4 arprequest sys/netinet/if_ether.c:325 [inline]
arp_rtrequest(ffff80000019f058,1,fffffd806f26f330) at arp_rtrequest+0x6a4 sys/netinet/if_ether.c:226
rtrequest(1,ffff80003c9f13e0,0,ffff80003c9f1350,16) at rtrequest+0xf08 sys/net/route.c:1114
rtm_output(ffff8000014f7c00,ffff80003c9f1488,ffff80003c9f13e0,0,16) at rtm_output+0x91a sys/net/rtsock.c:953
route_output(fffffd806283b200,ffff800001421c10) at route_output+0xa2b sys/net/rtsock.c:858
route_send(ffff800001421c10,fffffd806283b200,0,0) at route_send+0xd7 sys/net/rtsock.c:322
sosend(ffff800001421c10,0,ffff80003c9f1638,0,0,808) at sosend+0x804 sys/kern/uipc_socket.c:-1
sendit(ffff80002f0f0030,3,ffff80003c9f1730,808,ffff80003c9f17d0) at sendit+0x5a5 sys/kern/uipc_syscalls.c:785
sys_sendto(ffff80002f0f0030,ffff80003c9f1880,ffff80003c9f17d0) at sys_sendto+0x8d sys/kern/uipc_syscalls.c:563
syscall(ffff80003c9f1880) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80003c9f1880) at syscall+0x962 sys/arch/amd64/amd64/trap.c:775
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x1385f942f0, 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(0xffffffff838b2148, 0xffff8000014ac0aa, 0, 1) -> e
ddb> trace
arp_rtrequest(ffff80000019f058,1,fffffd806f26f330) at arp_rtrequest+0x6a4 arprequest sys/netinet/if_ether.c:325 [inline]
arp_rtrequest(ffff80000019f058,1,fffffd806f26f330) at arp_rtrequest+0x6a4 sys/netinet/if_ether.c:226
rtrequest(1,ffff80003c9f13e0,0,ffff80003c9f1350,16) at rtrequest+0xf08 sys/net/route.c:1114
rtm_output(ffff8000014f7c00,ffff80003c9f1488,ffff80003c9f13e0,0,16) at rtm_output+0x91a sys/net/rtsock.c:953
route_output(fffffd806283b200,ffff800001421c10) at route_output+0xa2b sys/net/rtsock.c:858
route_send(ffff800001421c10,fffffd806283b200,0,0) at route_send+0xd7 sys/net/rtsock.c:322
sosend(ffff800001421c10,0,ffff80003c9f1638,0,0,808) at sosend+0x804 sys/kern/uipc_socket.c:-1
sendit(ffff80002f0f0030,3,ffff80003c9f1730,808,ffff80003c9f17d0) at sendit+0x5a5 sys/kern/uipc_syscalls.c:785
sys_sendto(ffff80002f0f0030,ffff80003c9f1880,ffff80003c9f17d0) at sys_sendto+0x8d sys/kern/uipc_syscalls.c:563
syscall(ffff80003c9f1880) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80003c9f1880) at syscall+0x962 sys/arch/amd64/amd64/trap.c:775
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x1385f942f0, count: -10
ddb> show registers
rdi 0x20
rsi 0x90
rbp 0xffff80003c9f1230
rbx 0xde
rdx 0
rcx 0xffff8000014abfc0
rax 0xfffffd806283b7e0
r8 0x1000 __ALIGN_SIZE
r9 0
r10 0xe8e26ac6fe2327b4
r11 0xd3bf0c918fe0434
r12 0x3d
r13 0xfffffd806283b700
r14 0xfffffd806f26f330
r15 0xffff80000019f058
rip 0xffffffff81588db4 arp_rtrequest+0x6a4
cs 0x8
rflags 0x10246 __ALIGN_SIZE+0xf246
rsp 0xffff80003c9f11b0
ss 0x10
arp_rtrequest+0x6a4: movzwl 0xc(%rcx,%rbx,1),%ecx
ddb> show proc
PROC (syz-executor) tid=342830 pid=14168 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=0xffff80002a7b8fa0,0xffffffff838cc2c8
process=0xffff8000ffff28a0 user=0xffff80003c9ec000, vmspace=0xfffffd807eb81cf0
estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0
ddb> ps
PID TID PPID UID S FLAGS WAIT COMMAND
14168 452918 42329 0 2 0 syz-executor
*14168 342830 42329 0 7 0x4000000 syz-executor
37288 153117 92854 0 3 0x80 nanoslp syz-executor
37288 30556 92854 0 3 0x4000080 ttyin syz-executor
37288 473049 92854 0 3 0x4000080 fsleep syz-executor
22316 187411 90439 0 3 0x80 nanoslp syz-executor
22316 512792 90439 0 3 0x4000080 pppxread syz-executor
22316 255926 90439 0 2 0x4000000 syz-executor
22316 171777 90439 0 2 0x4000000 syz-executor
14959 225298 48299 0 2 0 syz-executor
14959 240655 48299 0 3 0x4000080 fsleep syz-executor
14959 30915 48299 0 3 0x4000080 fsleep syz-executor
14959 501582 48299 0 2 0x4000000 syz-executor
24858 156574 51206 0 2 0 syz-executor
24858 508461 51206 0 3 0x4000080 ttyin syz-executor
24858 467860 51206 0 2 0x4000000 syz-executor
24858 71318 51206 0 2 0x4000000 syz-executor
67992 411787 93699 0 2 0 syz-executor
67992 74802 93699 0 3 0x4000080 netcon syz-executor
67992 404646 93699 0 2 0x4000000 syz-executor
67992 500875 93699 0 2 0x4000000 syz-executor
48594 117110 1 0 3 0x100083 ttyin getty
10110 124657 0 0 3 0x14200 acct acct
33504 113893 0 0 3 0x14280 nfsidl nfsio
91251 1042 0 0 3 0x14280 nfsidl nfsio
57453 244996 0 0 3 0x14280 nfsidl nfsio
68368 383355 0 0 3 0x14280 nfsidl nfsio
61475 376243 0 0 3 0x14280 nfsidl nfsio
13201 362249 0 0 3 0x14280 nfsidl nfsio
68329 114022 0 0 3 0x14280 nfsidl nfsio
75953 344470 0 0 3 0x14280 nfsidl nfsio
54456 76873 0 0 3 0x14280 nfsidl nfsio
30171 128700 0 0 3 0x14280 nfsidl nfsio
45109 25837 0 0 3 0x14280 nfsidl nfsio
6191 30116 0 0 3 0x14280 nfsidl nfsio
96515 116915 0 0 3 0x14280 nfsidl nfsio
94629 460359 0 0 3 0x14280 nfsidl nfsio
32518 257763 0 0 3 0x14280 nfsidl nfsio
41408 184865 0 0 3 0x14280 nfsidl nfsio
98189 90737 0 0 3 0x14280 nfsidl nfsio
88230 519950 0 0 3 0x14280 nfsidl nfsio
41674 36475 0 0 3 0x14280 nfsidl nfsio
61911 178565 0 0 3 0x14280 nfsidl nfsio
48299 177886 94157 0 3 0x82 nanoslp syz-executor
79286 402530 94157 0 2 0x2 syz-executor
51206 367875 94157 0 3 0x82 nanoslp syz-executor
92854 485374 94157 0 3 0x82 nanoslp syz-executor
58450 49116 94157 0 2 0x2 syz-executor
42329 340813 94157 0 3 0x82 nanoslp syz-executor
93699 35753 94157 0 3 0x82 nanoslp syz-executor
90439 168251 94157 0 3 0x82 nanoslp syz-executor
94157 509585 62844 0 3 0x82 kqread syz-executor
62844 289135 73552 0 3 0x10008a sigsusp ksh
73552 271193 9523 0 3 0x98 kqread sshd-session
9523 395331 88340 0 3 0x92 kqread sshd-session
88340 170052 1 0 3 0x88 kqread sshd
69468 225075 78477 73 3 0x1100090 kqread syslogd
78477 157711 1 0 3 0x100082 sbwait syslogd
13484 406516 1 0 3 0x100080 kqread resolvd
66664 449127 43515 77 3 0x100092 kqread dhcpleased
15514 109865 43515 77 3 0x100092 kqread dhcpleased
43515 237944 1 0 3 0x80 kqread dhcpleased
67223 373969 0 0 3 0x14200 bored smr
47653 341566 0 0 2 0x14200 zerothread
86412 360393 0 0 3 0x14200 aiodoned aiodoned
2751 154925 0 0 3 0x14200 syncer update
84696 519835 0 0 3 0x14200 cleaner cleaner
68599 472702 0 0 3 0x14200 reaper reaper
41978 97633 0 0 3 0x14200 pgdaemon pagedaemon
9299 110516 0 0 3 0x14200 bored viomb
94677 350578 0 0 3 0x40014200 acpi0 acpi0
9470 329261 0 0 3 0x14200 bored softnet0
35267 269134 0 0 3 0x14200 bored systqmp
40550 491616 0 0 3 0x14200 bored systq
91970 468093 0 0 3 0x40014200 tmoslp softclock
88469 472684 0 0 3 0x40014200 idle0
1 385020 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 10185 11183K 11757K 166960K 13077 0
pcb 18 16K 17K 166960K 233 0
rtable 253 9K 9K 166960K 471 0
pf 30 12K 15K 166960K 101 0
ifaddr 43 8K 8K 166960K 82 0
ifgroup 50 2K 2K 166960K 121 0
sysctl 4 1K 9K 166960K 9 0
counters 33 17K 18K 166960K 140 0
ioctlops 0 0K 4K 166960K 294 0
iov 1 12K 16K 166960K 186 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1469 92K 93K 166960K 2310 0
UFS quota 1 32K 32K 166960K 1 0
UFS mount 5 36K 36K 166960K 5 0
shm 2 1K 9K 166960K 15 0
VM map 2 1K 1K 166960K 2 0
sem 12 0K 0K 166960K 22 0
dirhash 12 2K 2K 166960K 21 0
ACPI 1692 195K 286K 166960K 12470 0
file desc 16 57K 93K 166960K 866 0
sigio 0 0K 0K 166960K 21 0
proc 60 59K 100K 166960K 567 0
subproc 72 4K 4K 166960K 73 0
NFS srvsock 1 0K 0K 166960K 1 0
NFS daemon 1 16K 16K 166960K 1 0
ip_moptions 0 0K 0K 166960K 153 0
in_multi 99 7K 7K 166960K 122 0
ether_multi 1 0K 0K 166960K 8 0
mrt 0 0K 0K 166960K 10 0
ISOFS mount 1 32K 32K 166960K 1 0
MSDOSFS mount 1 16K 16K 166960K 1 0
ttys 115 519K 519K 166960K 115 0
exec 0 0K 1K 166960K 664 0
fusefs mount 1 32K 32K 166960K 1 0
pfkey data 0 0K 0K 166960K 33 0
tdb 3 0K 0K 166960K 3 0
VM swap 8 62K 64K 166960K 10 0
UVM amap 244 149K 159K 166960K 9437 0
UVM aobj 24 8K 8K 166960K 26 0
pinsyscall 37 74K 93K 166960K 1963 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
ip6_options 0 0K 0K 166960K 63 0
NDP 11 0K 2K 166960K 56 0
temp 70 8669K 8925K 166960K 51190 0
kqueue 13 20K 34K 166960K 158 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 120 119 0 115 2 1 1 2 0 8 0
rtentry 136 140 0 32 4 0 4 4 0 8 0
unpcb 144 692 0 675 4 3 1 4 0 8 0
syncache 336 7 0 7 1 1 0 1 0 8 0
tcpqe 32 2 0 2 1 1 0 1 0 8 0
tcpcb 736 386 0 376 7 6 1 7 0 8 0
arp 96 22 0 3 1 0 1 1 0 8 0
ipq 40 5 0 1 1 0 1 1 0 8 0
ipqe 40 7 0 3 1 0 1 1 0 8 0
inpcb 328 1148 0 1133 12 10 2 12 0 8 0
ip6q 72 3 0 1 1 0 1 1 0 8 0
ip6af 40 4 0 3 1 0 1 1 0 8 0
nd6 112 27 0 1 1 0 1 1 0 8 0
pkpcb 40 5 0 5 1 1 0 1 0 8 0
kcovpl 48 8 0 0 1 0 1 1 0 8 0
ppxss 1072 103 0 103 1 1 0 1 0 8 0
pppxif 1384 5 0 5 1 1 0 1 0 8 0
pfrule 1344 3 0 2 1 0 1 1 0 8 0
rttmr 136 3 0 3 1 1 0 1 0 8 0
art_heap8 4096 4 0 0 4 0 4 4 0 8 0
art_heap4 256 575 0 121 30 1 29 30 0 8 0
art_table 40 579 0 121 5 0 5 5 0 8 0
art_node 32 137 0 40 1 0 1 1 0 8 0
sysvmsgpl 40 12 0 5 1 0 1 1 0 8 0
semupl 112 1 0 1 1 1 0 1 0 8 0
semapl 112 18 0 8 1 0 1 1 0 8 0
shmpl 112 21 0 2 1 0 1 1 0 8 0
dirhash 1024 23 0 6 3 0 3 3 0 8 0
dino2pl 256 2964 0 1458 95 0 95 95 0 8 0
ffsino 256 2964 0 1458 95 0 95 95 0 8 0
nchpl 144 4218 0 2520 64 0 64 64 0 8 0
rtmask 32 5 0 5 1 1 0 1 0 8 0
vnodes 216 3723 0 0 207 0 207 207 0 8 0
namei 1024 15154 0 15153 3 2 1 2 0 8 0
vcpupl 3904 2 0 0 1 0 1 1 0 8 0
vmpool 800 2 0 0 1 0 1 1 0 8 0
kstatmem 264 78 0 56 2 0 2 2 0 8 0
scsiplug 72 3 0 3 2 1 1 1 0 8 1
scxspl 216 15149 0 15149 8 7 1 8 1 8 1
plimitpl 152 184 0 166 1 0 1 1 0 8 0
sigapl 424 1180 0 1118 8 0 8 8 0 8 0
knotepl 120 320120 0 320073 36 34 2 18 0 8 0
kqueuepl 184 323 0 313 4 3 1 4 0 8 0
pipepl 304 290 0 263 3 0 3 3 0 8 0
fdescpl 448 1146 0 1118 5 1 4 5 0 8 0
filepl 120 7838 0 7611 14 5 9 14 0 8 0
lockfpl 104 357 0 354 1 0 1 1 0 8 0
lockfspl 48 157 0 154 1 0 1 1 0 8 0
sessionpl 144 25 0 17 1 0 1 1 0 8 0
pgrppl 48 45 0 29 1 0 1 1 0 8 0
ucredpl 104 946 0 935 1 0 1 1 0 8 0
zombiepl 144 1120 0 1120 2 1 1 1 0 8 1
processpl 1152 1180 0 1118 5 0 5 5 0 8 0
procpl 664 2328 0 2251 7 0 7 7 0 8 0
sosppl 176 5 0 5 1 1 0 1 0 8 0
sockpl 552 2024 0 1988 15 12 3 13 0 8 0
mcl64k 65536 134 0 134 1 1 0 1 0 8 0
mcl16k 16384 1 0 1 1 1 0 1 0 8 0
mcl9k 9216 1 0 1 1 1 0 1 0 8 0
mcl8k 8192 13 0 13 1 1 0 1 0 8 0
mcl4k 4096 3452 0 3400 14 7 7 14 0 8 0
mcl2k 2048 1416 0 1405 2 0 2 2 0 8 0
mtagpl 96 244 0 6 6 0 6 6 0 8 0
mbufpl 256 14050 0 13586 85 55 30 85 0 8 0
bufpl 280 6089 0 200 421 0 421 421 0 8 0
anonpl 24 190939 0 182694 83 8 75 83 0 187 0
amapchunkpl 152 31218 0 30647 31 6 25 31 0 158 0
amappl16 200 3553 0 3291 30 10 20 27 0 8 0
amappl15 192 2 0 2 1 1 0 1 0 8 0
amappl14 184 16 0 16 1 1 0 1 0 8 0
amappl13 176 420 0 419 1 0 1 1 0 8 0
amappl12 168 1499 0 1460 2 0 2 2 0 8 0
amappl11 160 4 0 4 1 1 0 1 0 8 0
amappl10 152 68 0 58 1 0 1 1 0 8 0
amappl9 144 319 0 319 1 1 0 1 0 8 0
amappl8 136 19 0 17 1 0 1 1 0 8 0
amappl7 128 80 0 79 1 0 1 1 0 8 0
amappl6 120 280 0 268 1 0 1 1 0 8 0
amappl5 112 71 0 62 1 0 1 1 0 8 0
amappl4 104 395 0 370 1 0 1 1 0 8 0
amappl3 96 6093 0 5988 4 1 3 4 0 8 0
amappl2 88 541 0 487 2 0 2 2 0 8 0
amappl1 80 12607 0 12067 13 0 13 13 0 8 0
amappl 88 8569 0 8396 5 0 5 5 0 92 0
uvmvnodes 80 123 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 128 255 0 255 1 1 0 1 0 8 0
dma64 64 7 0 7 1 1 0 1 0 8 0
dma32 32 7 0 7 1 1 0 1 0 8 0
dma16 16 21 0 20 1 0 1 1 0 8 0
aobjpl 72 25 0 2 1 0 1 1 0 8 0
uaddrrnd 24 1146 0 1118 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 1146 0 1118 1 0 1 1 0 8 0
vmmpekpl 168 10552 0 10518 2 0 2 2 0 8 0
vmmpepl 168 79350 0 77336 101 8 93 101 0 357 0
vmsppl 368 1145 0 1118 4 1 3 4 0 8 0
rwobjpl 40 22706 0 21460 15 0 15 15 0 8 0
pdppl 4096 2302 0 2238 106 38 68 80 0 8 4
pvpl 32 516609 0 503049 166 21 145 166 0 265 0
pmappl 216 1147 0 1118 3 0 3 3 0 8 0
extentpl 40 45 0 27 1 0 1 1 0 8 0
phpool 112 460 0 117 12 0 12 12 0 8 0
ddb> machine ddbcpu 0
No such command
ddb> trace
arp_rtrequest(ffff80000019f058,1,fffffd806f26f330) at arp_rtrequest+0x6a4 arprequest sys/netinet/if_ether.c:325 [inline]
arp_rtrequest(ffff80000019f058,1,fffffd806f26f330) at arp_rtrequest+0x6a4 sys/netinet/if_ether.c:226
rtrequest(1,ffff80003c9f13e0,0,ffff80003c9f1350,16) at rtrequest+0xf08 sys/net/route.c:1114
rtm_output(ffff8000014f7c00,ffff80003c9f1488,ffff80003c9f13e0,0,16) at rtm_output+0x91a sys/net/rtsock.c:953
route_output(fffffd806283b200,ffff800001421c10) at route_output+0xa2b sys/net/rtsock.c:858
route_send(ffff800001421c10,fffffd806283b200,0,0) at route_send+0xd7 sys/net/rtsock.c:322
sosend(ffff800001421c10,0,ffff80003c9f1638,0,0,808) at sosend+0x804 sys/kern/uipc_socket.c:-1
sendit(ffff80002f0f0030,3,ffff80003c9f1730,808,ffff80003c9f17d0) at sendit+0x5a5 sys/kern/uipc_syscalls.c:785
sys_sendto(ffff80002f0f0030,ffff80003c9f1880,ffff80003c9f17d0) at sys_sendto+0x8d sys/kern/uipc_syscalls.c:563
syscall(ffff80003c9f1880) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80003c9f1880) at syscall+0x962 sys/arch/amd64/amd64/trap.c:775
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x1385f942f0, count: -10
ddb> machine ddbcpu 1
No such command
ddb> trace
arp_rtrequest(ffff80000019f058,1,fffffd806f26f330) at arp_rtrequest+0x6a4 arprequest sys/netinet/if_ether.c:325 [inline]
arp_rtrequest(ffff80000019f058,1,fffffd806f26f330) at arp_rtrequest+0x6a4 sys/netinet/if_ether.c:226
rtrequest(1,ffff80003c9f13e0,0,ffff80003c9f1350,16) at rtrequest+0xf08 sys/net/route.c:1114
rtm_output(ffff8000014f7c00,ffff80003c9f1488,ffff80003c9f13e0,0,16) at rtm_output+0x91a sys/net/rtsock.c:953
route_output(fffffd806283b200,ffff800001421c10) at route_output+0xa2b sys/net/rtsock.c:858
route_send(ffff800001421c10,fffffd806283b200,0,0) at route_send+0xd7 sys/net/rtsock.c:322
sosend(ffff800001421c10,0,ffff80003c9f1638,0,0,808) at sosend+0x804 sys/kern/uipc_socket.c:-1
sendit(ffff80002f0f0030,3,ffff80003c9f1730,808,ffff80003c9f17d0) at sendit+0x5a5 sys/kern/uipc_syscalls.c:785
sys_sendto(ffff80002f0f0030,ffff80003c9f1880,ffff80003c9f17d0) at sys_sendto+0x8d sys/kern/uipc_syscalls.c:563
syscall(ffff80003c9f1880) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80003c9f1880) at syscall+0x962 sys/arch/amd64/amd64/trap.c:775
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x1385f942f0, count: -10