uvm_fault(0xffffffff8392e138, 0xffff80000149506a, 0, 1) -> e
kernel: page fault trap, code=0
Stopped at arp_rtrequest+0x657: movzwl 0xc(%rcx,%rbx,1),%ecx
TID PID UID PRFLAGS PFLAGS CPU COMMAND
* 613 89377 0 0 0x4000000 0 syz-executor
arp_rtrequest(ffff800000039058,1,fffffd80684e5920) at arp_rtrequest+0x657 arprequest sys/netinet/if_ether.c:279 [inline]
arp_rtrequest(ffff800000039058,1,fffffd80684e5920) at arp_rtrequest+0x657 sys/netinet/if_ether.c:182
rtrequest(1,ffff80003393f190,0,ffff80003393f100,16) at rtrequest+0xf08 sys/net/route.c:1114
rtm_output(ffff800001492e00,ffff80003393f238,ffff80003393f190,0,16) at rtm_output+0x91a sys/net/rtsock.c:970
route_output(fffffd80684d4d00,ffff800010fdd378) at route_output+0xa2b sys/net/rtsock.c:875
route_send(ffff800010fdd378,fffffd80684d4d00,0,0) at route_send+0xd7 sys/net/rtsock.c:339
sosend(ffff800010fdd378,0,ffff80003393f3e8,0,0,808) at sosend+0x804 sys/kern/uipc_socket.c:-1
sendit(ffff800039153778,3,ffff80003393f4e0,808,ffff80003393f580) at sendit+0x5a5 sys/kern/uipc_syscalls.c:779
sys_sendto(ffff800039153778,ffff80003393f630,ffff80003393f580) at sys_sendto+0x8d sys/kern/uipc_syscalls.c:557
syscall(ffff80003393f630) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80003393f630) at syscall+0x962 sys/arch/amd64/amd64/trap.c:748
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xa8d14e67420, 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(0xffffffff8392e138, 0xffff80000149506a, 0, 1) -> e
ddb> trace
arp_rtrequest(ffff800000039058,1,fffffd80684e5920) at arp_rtrequest+0x657 arprequest sys/netinet/if_ether.c:279 [inline]
arp_rtrequest(ffff800000039058,1,fffffd80684e5920) at arp_rtrequest+0x657 sys/netinet/if_ether.c:182
rtrequest(1,ffff80003393f190,0,ffff80003393f100,16) at rtrequest+0xf08 sys/net/route.c:1114
rtm_output(ffff800001492e00,ffff80003393f238,ffff80003393f190,0,16) at rtm_output+0x91a sys/net/rtsock.c:970
route_output(fffffd80684d4d00,ffff800010fdd378) at route_output+0xa2b sys/net/rtsock.c:875
route_send(ffff800010fdd378,fffffd80684d4d00,0,0) at route_send+0xd7 sys/net/rtsock.c:339
sosend(ffff800010fdd378,0,ffff80003393f3e8,0,0,808) at sosend+0x804 sys/kern/uipc_socket.c:-1
sendit(ffff800039153778,3,ffff80003393f4e0,808,ffff80003393f580) at sendit+0x5a5 sys/kern/uipc_syscalls.c:779
sys_sendto(ffff800039153778,ffff80003393f630,ffff80003393f580) at sys_sendto+0x8d sys/kern/uipc_syscalls.c:557
syscall(ffff80003393f630) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80003393f630) at syscall+0x962 sys/arch/amd64/amd64/trap.c:748
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xa8d14e67420, count: -10
ddb> show registers
rdi 0xffff80002cd2e000
rsi 0x941
rbp 0xffff80003393efe0
rbx 0xde
rdx 0xffff80002cd2e000
rcx 0xffff800001494f80
rax 0xfffffd80684d47e0
r8 0x1000 __ALIGN_SIZE
r9 0
r10 0xe1d41a7cd07dcdac
r11 0x57993e96d627013e
r12 0x1b
r13 0xfffffd80684d4700
r14 0xfffffd80684e5920
r15 0xffff800000039058
rip 0xffffffff82e68397 arp_rtrequest+0x657
cs 0x8
rflags 0x10246 __ALIGN_SIZE+0xf246
rsp 0xffff80003393ef60
ss 0x10
arp_rtrequest+0x657: movzwl 0xc(%rcx,%rbx,1),%ecx
ddb> show proc
PROC (syz-executor) tid=613 pid=89377 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=0xffff8000391527e8,0xffff800039152fc0
process=0xffff80002cd2cdb8 user=0xffff80003393a000, vmspace=0xfffffd806ba53740
estcpu=0, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0
ddb> ps
PID TID PPID UID S FLAGS WAIT COMMAND
83226 345157 89308 0 2 0 syz-executor
4011 6214 88637 0 2 0 syz-executor
4011 223425 88637 0 3 0x4000080 fsleep syz-executor
4011 61670 88637 0 3 0x4000080 fsleep syz-executor
88270 383930 224 0 2 0 syz-executor
88270 334294 224 0 3 0x4000080 fsleep syz-executor
52197 444763 34374 0 3 0x3000 suspend syz-executor
52197 72997 34374 0 2 0x4081000 syz-executor
70636 6880 10225 0 2 0 syz-executor
70636 106682 10225 0 3 0x4000080 fsleep syz-executor
21295 350471 50064 -1 2 0x10 syz-executor
21295 121704 50064 -1 3 0x4000090 fsleep syz-executor
14740 83268 94845 0 2 0 syz-executor
14740 70893 94845 0 3 0x4000080 fsleep syz-executor
89377 273445 43216 0 2 0 syz-executor
*89377 613 43216 0 7 0x4000000 syz-executor
88637 461675 38312 0 3 0x82 nanoslp syz-executor
224 411277 38312 0 2 0xc82 syz-executor
50064 22734 38312 0 3 0x82 nanoslp syz-executor
34374 418323 38312 0 3 0x82 nanoslp syz-executor
94845 3727 38312 0 3 0x82 nanoslp syz-executor
89308 302555 38312 0 3 0x82 nanoslp syz-executor
43216 293444 38312 0 2 0xc82 syz-executor
10225 359172 38312 0 3 0x82 nanoslp syz-executor
38312 416492 2369 0 3 0x82 kqread syz-executor
2369 182285 95434 0 3 0x10008a sigsusp ksh
95434 391979 46914 0 3 0x98 kqread sshd-session
46914 298589 82814 0 3 0x92 kqread sshd-session
10490 227867 1 0 3 0x100083 ttyin getty
82814 325161 1 0 3 0x88 kqread sshd
75921 248982 40010 73 3 0x1100090 kqread syslogd
40010 315127 1 0 3 0x100082 sbwait syslogd
71329 256360 1 0 3 0x100080 kqread resolvd
70309 134630 69986 77 3 0x100092 kqread dhcpleased
38762 325225 69986 77 3 0x100092 kqread dhcpleased
69986 143674 1 0 3 0x80 kqread dhcpleased
7593 191136 0 0 3 0x14200 bored smr
98047 241074 0 0 2 0x14200 zerothread
7623 211143 0 0 3 0x14200 aiodoned aiodoned
67313 8683 0 0 3 0x14200 syncer update
24222 246298 0 0 3 0x14200 cleaner cleaner
40327 302028 0 0 3 0x14200 reaper reaper
85086 12030 0 0 3 0x14200 pgdaemon pagedaemon
93393 441893 0 0 3 0x14200 bored viomb
13675 154317 0 0 3 0x40014200 acpi0 acpi0
22897 97866 0 0 3 0x14200 bored softnet7
92010 424625 0 0 3 0x14200 bored softnet6
84506 473791 0 0 3 0x14200 bored softnet5
6247 111237 0 0 3 0x14200 bored softnet4
25950 15003 0 0 3 0x14200 bored softnet3
98075 79577 0 0 3 0x14200 bored softnet2
17038 93873 0 0 3 0x14200 bored softnet1
31506 295174 0 0 3 0x14200 bored softnet0
8384 483787 0 0 3 0x14200 smrbar systqmp
18428 249757 0 0 3 0x14200 bored systq
93503 132714 0 0 3 0x40014200 tmoslp softclock
40441 258612 0 0 3 0x40014200 idle0
1 435675 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 10171 11040K 11053K 166960K 11248 0
pcb 17 12K 12K 166960K 18 0
rtable 220 7K 7K 166960K 289 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 32 17K 17K 166960K 32 0
ioctlops 0 0K 2K 166960K 29 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1335 84K 84K 166960K 1351 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 97K 166960K 139 0
proc 58 59K 124K 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 4 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 37 175K 175K 166960K 37 0
exec 0 0K 1K 166960K 343 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 212 150K 159K 166960K 2709 0
UVM aobj 3 2K 2K 166960K 3 0
pinsyscall 39 78K 96K 166960K 1158 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 8630K 8694K 166960K 3630 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 33 1 0 1 1 0 8 0
rtentry 136 96 0 1 4 0 4 4 0 8 0
unpcb 144 33 0 16 1 0 1 1 0 8 0
syncache 336 3 0 3 1 0 1 1 0 8 1
tcpcb 736 8 0 2 1 0 1 1 0 8 0
arp 88 10 0 0 1 0 1 1 0 8 0
inpcb 328 59 0 48 2 0 2 2 0 8 1
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 256 435 0 0 28 0 28 28 0 8 0
art_table 40 437 0 0 5 0 5 5 0 8 0
art_node 32 96 0 4 1 0 1 1 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 1545 0 41 95 0 95 95 0 8 0
ffsino 256 1545 0 41 95 0 95 95 0 8 0
nchpl 144 1729 0 48 63 0 63 63 0 8 0
uvmvnodes 80 1627 0 0 34 0 34 34 0 8 0
vnodes 216 1627 0 0 91 0 91 91 0 8 0
namei 1024 5043 0 5043 2 0 2 2 0 8 2
kstatmem 264 22 0 0 2 0 2 2 0 8 0
scxspl 216 6113 0 6113 8 0 8 8 1 8 8
plimitpl 152 27 0 10 1 0 1 1 0 8 0
sigapl 424 419 0 369 7 0 7 7 0 8 1
knotepl 120 3053 0 3006 2 0 2 2 0 8 0
kqueuepl 184 17 0 8 1 0 1 1 0 8 0
pipepl 304 98 0 71 3 0 3 3 0 8 0
fdescpl 448 399 0 369 5 0 5 5 0 8 1
filepl 120 1283 0 1066 7 0 7 7 0 8 0
lockfpl 104 6 0 4 1 0 1 1 0 8 0
lockfspl 48 4 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 71 0 59 1 0 1 1 0 8 0
zombiepl 144 370 0 369 1 0 1 1 0 8 0
processpl 1168 419 0 369 5 0 5 5 0 8 1
procpl 664 431 0 373 6 0 6 6 0 8 0
sockpl 552 130 0 97 3 0 3 3 0 8 0
mcl8k 8192 4 0 4 1 0 1 1 0 8 1
mcl4k 4096 2394 0 2342 13 0 13 13 0 8 4
mcl2k 2048 149 0 148 1 0 1 1 0 8 0
mtagpl 96 4 0 4 1 0 1 1 0 8 1
mbufpl 256 3770 0 3640 9 0 9 9 0 8 0
bufpl 280 2808 0 117 193 0 193 193 0 8 0
anonpl 24 96166 0 93188 23 0 23 23 0 187 3
amapchunkpl 152 7806 0 7357 18 0 18 18 0 158 0
amappl16 200 1827 0 1814 5 0 5 5 0 8 4
amappl15 192 43 0 43 1 0 1 1 0 8 1
amappl14 184 105 0 95 1 0 1 1 0 8 0
amappl13 176 6 0 6 1 0 1 1 0 8 1
amappl12 168 1002 0 973 3 0 3 3 0 8 1
amappl11 160 45 0 34 1 0 1 1 0 8 0
amappl10 152 6 0 6 1 0 1 1 0 8 1
amappl9 144 260 0 260 1 0 1 1 0 8 1
amappl8 136 22 0 21 1 0 1 1 0 8 0
amappl7 128 101 0 91 1 0 1 1 0 8 0
amappl6 120 173 0 170 1 0 1 1 0 8 0
amappl5 112 118 0 112 1 0 1 1 0 8 0
amappl4 104 267 0 252 1 0 1 1 0 8 0
amappl3 96 1183 0 1082 3 0 3 3 0 8 0
amappl2 88 608 0 553 2 0 2 2 0 8 0
amappl1 80 7890 0 7340 13 0 13 13 0 8 0
amappl 88 2081 0 1932 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 24 399 0 369 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 399 0 369 1 0 1 1 0 8 0
vmmpekpl 168 4719 0 4689 2 0 2 2 0 8 0
vmmpepl 168 32321 0 30495 80 0 80 80 0 357 0
vmsppl 368 398 0 369 4 0 4 4 0 8 1
rwobjpl 40 13510 0 11067 26 0 26 26 0 8 0
pdppl 4096 804 0 738 94 12 82 82 0 8 16
pvpl 32 204815 0 196796 68 0 68 68 0 265 2
pmappl 216 398 0 369 3 0 3 3 0 8 0
extentpl 40 45 0 27 1 0 1 1 0 8 0
phpool 112 362 0 12 10 0 10 10 0 8 0
ddb> machine ddbcpu 0
No such command
ddb> trace
arp_rtrequest(ffff800000039058,1,fffffd80684e5920) at arp_rtrequest+0x657 arprequest sys/netinet/if_ether.c:279 [inline]
arp_rtrequest(ffff800000039058,1,fffffd80684e5920) at arp_rtrequest+0x657 sys/netinet/if_ether.c:182
rtrequest(1,ffff80003393f190,0,ffff80003393f100,16) at rtrequest+0xf08 sys/net/route.c:1114
rtm_output(ffff800001492e00,ffff80003393f238,ffff80003393f190,0,16) at rtm_output+0x91a sys/net/rtsock.c:970
route_output(fffffd80684d4d00,ffff800010fdd378) at route_output+0xa2b sys/net/rtsock.c:875
route_send(ffff800010fdd378,fffffd80684d4d00,0,0) at route_send+0xd7 sys/net/rtsock.c:339
sosend(ffff800010fdd378,0,ffff80003393f3e8,0,0,808) at sosend+0x804 sys/kern/uipc_socket.c:-1
sendit(ffff800039153778,3,ffff80003393f4e0,808,ffff80003393f580) at sendit+0x5a5 sys/kern/uipc_syscalls.c:779
sys_sendto(ffff800039153778,ffff80003393f630,ffff80003393f580) at sys_sendto+0x8d sys/kern/uipc_syscalls.c:557
syscall(ffff80003393f630) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80003393f630) at syscall+0x962 sys/arch/amd64/amd64/trap.c:748
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xa8d14e67420, count: -10
ddb> machine ddbcpu 1
No such command
ddb> trace
arp_rtrequest(ffff800000039058,1,fffffd80684e5920) at arp_rtrequest+0x657 arprequest sys/netinet/if_ether.c:279 [inline]
arp_rtrequest(ffff800000039058,1,fffffd80684e5920) at arp_rtrequest+0x657 sys/netinet/if_ether.c:182
rtrequest(1,ffff80003393f190,0,ffff80003393f100,16) at rtrequest+0xf08 sys/net/route.c:1114
rtm_output(ffff800001492e00,ffff80003393f238,ffff80003393f190,0,16) at rtm_output+0x91a sys/net/rtsock.c:970
route_output(fffffd80684d4d00,ffff800010fdd378) at route_output+0xa2b sys/net/rtsock.c:875
route_send(ffff800010fdd378,fffffd80684d4d00,0,0) at route_send+0xd7 sys/net/rtsock.c:339
sosend(ffff800010fdd378,0,ffff80003393f3e8,0,0,808) at sosend+0x804 sys/kern/uipc_socket.c:-1
sendit(ffff800039153778,3,ffff80003393f4e0,808,ffff80003393f580) at sendit+0x5a5 sys/kern/uipc_syscalls.c:779
sys_sendto(ffff800039153778,ffff80003393f630,ffff80003393f580) at sys_sendto+0x8d sys/kern/uipc_syscalls.c:557
syscall(ffff80003393f630) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80003393f630) at syscall+0x962 sys/arch/amd64/amd64/trap.c:748
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xa8d14e67420, count: -10