uvm_fault(0xffffffff83a09010, 0xffff80000161508a, 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
*168776 22385 0 0 0x4000000 0 syz-executor
arp_rtrequest(ffff8000002a3058,1,ffffee006a3ca9a8) at arp_rtrequest+0x6a4 arprequest sys/netinet/if_ether.c:325 [inline]
arp_rtrequest(ffff8000002a3058,1,ffffee006a3ca9a8) at arp_rtrequest+0x6a4 sys/netinet/if_ether.c:226
rtrequest(1,ffff8000338bd7b0,0,ffff8000338bd720,16) at rtrequest+0xdc1 sys/net/route.c:1114
rtm_output(ffff800001612500,ffff8000338bd858,ffff8000338bd7b0,0,16) at rtm_output+0x91a sys/net/rtsock.c:956
route_output(ffffee006a3d8900,ffff8000015899e0) at route_output+0xa6a sys/net/rtsock.c:862
route_send(ffff8000015899e0,ffffee006a3d8900,0,0) at route_send+0xd7 sys/net/rtsock.c:322
sosend(ffff8000015899e0,0,ffff8000338bda08,0,0,80c) at sosend+0x804 sys/kern/uipc_socket.c:-1
sendit(ffff80003c8fb778,3,ffff8000338bdb00,80c,ffff8000338bdba0) at sendit+0x5a5 sys/kern/uipc_syscalls.c:785
sys_sendto(ffff80003c8fb778,ffff8000338bdc50,ffff8000338bdba0) at sys_sendto+0x8d sys/kern/uipc_syscalls.c:563
syscall(ffff8000338bdc50) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff8000338bdc50) at syscall+0x962 sys/arch/amd64/amd64/trap.c:791
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x365198043e0, 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(0xffffffff83a09010, 0xffff80000161508a, 0, 1) -> e
ddb> show kasan
No such command
ddb> trace
arp_rtrequest(ffff8000002a3058,1,ffffee006a3ca9a8) at arp_rtrequest+0x6a4 arprequest sys/netinet/if_ether.c:325 [inline]
arp_rtrequest(ffff8000002a3058,1,ffffee006a3ca9a8) at arp_rtrequest+0x6a4 sys/netinet/if_ether.c:226
rtrequest(1,ffff8000338bd7b0,0,ffff8000338bd720,16) at rtrequest+0xdc1 sys/net/route.c:1114
rtm_output(ffff800001612500,ffff8000338bd858,ffff8000338bd7b0,0,16) at rtm_output+0x91a sys/net/rtsock.c:956
route_output(ffffee006a3d8900,ffff8000015899e0) at route_output+0xa6a sys/net/rtsock.c:862
route_send(ffff8000015899e0,ffffee006a3d8900,0,0) at route_send+0xd7 sys/net/rtsock.c:322
sosend(ffff8000015899e0,0,ffff8000338bda08,0,0,80c) at sosend+0x804 sys/kern/uipc_socket.c:-1
sendit(ffff80003c8fb778,3,ffff8000338bdb00,80c,ffff8000338bdba0) at sendit+0x5a5 sys/kern/uipc_syscalls.c:785
sys_sendto(ffff80003c8fb778,ffff8000338bdc50,ffff8000338bdba0) at sys_sendto+0x8d sys/kern/uipc_syscalls.c:563
syscall(ffff8000338bdc50) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff8000338bdc50) at syscall+0x962 sys/arch/amd64/amd64/trap.c:791
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x365198043e0, count: -10
ddb> show registers
rdi 0xffff80002ccac000
rsi 0x945
rbp 0xffff8000338bd600
rbx 0xde
rdx 0xffff80002ccac000
rcx 0xffff800001614fa0
rax 0xffffee006a3d8ae0
r8 0x1000 __ALIGN_SIZE
r9 0
r10 0x528d9f721d92c52b
r11 0xdb92a5b9ba2e0548
r12 0x19
r13 0xffffee006a3d8a00
r14 0xffffee006a3ca9a8
r15 0xffff8000002a3058
rip 0xffffffff82181594 arp_rtrequest+0x6a4
cs 0x8
rflags 0x10246 __ALIGN_SIZE+0xf246
rsp 0xffff8000338bd580
ss 0x10
arp_rtrequest+0x6a4: movzwl 0xc(%rcx,%rbx,1),%ecx
ddb> show proc
PROC (syz-executor) tid=168776 pid=22385 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=0xffff80002a736d00,0xffff80003c8faa90
process=0xffff80002a746408 user=0xffff8000338b8000, vmspace=0xffffee006a38ae78
estcpu=0, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0
ddb> ps
PID TID PPID UID S PRLAGS PFLAGS WAIT COMMAND
81399 446490 66105 0 2 0 0 syz-executor
81399 331636 66105 0 3 0 0x4000080 fsleep syz-executor
21047 20959 18610 0 2 0 0 syz-executor
21047 116977 18610 0 3 0 0x4000080 fsleep syz-executor
81348 423405 2717 0 2 0 0 syz-executor
81348 217933 2717 0 2 0 0x4000000 syz-executor
77235 274253 46898 0 2 0 0 syz-executor
77235 330663 46898 0 3 0 0x4000080 fsleep syz-executor
36772 129792 23566 0 2 0 0 syz-executor
36772 133977 23566 0 3 0 0x4000080 fsleep syz-executor
22385 149122 20964 0 2 0 0 syz-executor
*22385 168776 20964 0 7 0 0x4000000 syz-executor
22100 26056 77497 0 2 0x2 0 sh
66105 257794 81274 0 3 0x2 0x80 nanoslp syz-executor
9895 184213 81274 0 2 0x2 0 syz-executor
77497 253428 81274 0 3 0x2 0x80 wait syz-executor
2717 315736 81274 0 3 0x2 0x80 nanoslp syz-executor
18610 148731 81274 0 3 0x2 0x80 nanoslp syz-executor
46898 503631 81274 0 2 0x2 0xc80 syz-executor
20964 153265 81274 0 2 0x2 0xc80 syz-executor
23566 88853 81274 0 2 0x2 0xc80 syz-executor
81274 505587 27535 0 3 0x2 0x80 kqread syz-executor
27535 314163 12607 0 3 0x100002 0x88 sigsusp ksh
12607 154974 75479 0 3 0x10 0x88 kqread sshd-session
75479 493701 39690 0 3 0x12 0x80 kqread sshd-session
949 324927 1 0 3 0x100003 0x80 ttyin getty
39690 145313 1 0 3 0 0x88 kqread sshd
42754 460735 88556 73 3 0x1100010 0x80 kqread syslogd
88556 155114 1 0 3 0x100002 0x80 sbwait syslogd
8299 334910 1 0 3 0x100000 0x80 kqread resolvd
58174 175912 6720 77 3 0x100012 0x80 kqread dhcpleased
93442 283681 6720 77 3 0x100012 0x80 kqread dhcpleased
6720 376363 1 0 3 0 0x80 kqread dhcpleased
96811 325123 0 0 3 0x14000 0x200 bored smr
17005 139641 0 0 2 0x14000 0x200 zerothread
42427 113647 0 0 3 0x14000 0x200 aiodoned aiodoned
71280 100230 0 0 3 0x14000 0x200 syncer update
98893 236963 0 0 3 0x14000 0x200 cleaner cleaner
1812 436770 0 0 3 0x14000 0x200 reaper reaper
81084 65317 0 0 3 0x14000 0x200 pgdaemon pagedaemon
42959 340071 0 0 3 0x14000 0x200 bored viomb
28637 310500 0 0 3 0x14000 0x40000200 acpi0 acpi0
23734 333749 0 0 3 0x14000 0x200 bored softnet0
78176 349188 0 0 3 0x14000 0x200 smrbar systqmp
54012 65548 0 0 3 0x14000 0x200 bored systq
268 31726 0 0 3 0x14000 0x40000200 tmoslp softclock
58655 99349 0 0 3 0x14000 0x40000200 idle0
1 154497 0 0 3 0x2 0x80 wait init
0 0 -1 0 3 0x10000 0x200 scheduler swapper
ddb> show all locks
No such command
ddb> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 11025 12102K 12118K 166960K 12109 0
pcb 17 12K 12K 166960K 17 0
rtable 244 8K 8K 166960K 364 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 29 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1290 81K 81K 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 1734 201K 291K 166960K 11964 0
file desc 17 61K 97K 166960K 135 0
proc 57 58K 100K 166960K 495 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 6K 6K 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 25 122K 122K 166960K 25 0
exec 0 0K 1K 166960K 364 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 206 158K 168K 166960K 2853 0
UVM aobj 3 2K 2K 166960K 3 0
pinsyscall 38 76K 98K 166960K 1232 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 9106K 9112K 166960K 3583 0
kqueue 13 20K 20K 166960K 25 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 36 0 32 1 0 1 1 0 8 0
rtentry 136 111 0 1 4 0 4 4 0 8 0
unpcb 144 38 0 22 1 0 1 1 0 8 0
syncache 336 4 0 4 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 59 0 51 2 0 2 2 0 8 1
nd6 112 23 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 32 111 0 4 1 0 1 1 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 1553 0 93 92 0 92 92 0 8 0
ffsino 256 1553 0 93 92 0 92 92 0 8 0
nchpl 144 1744 0 50 63 0 63 63 0 8 0
vnodes 216 1636 0 0 91 0 91 91 0 8 0
namei 1024 5116 0 5115 2 0 2 2 0 8 1
kstatmem 264 23 0 0 2 0 2 2 0 8 0
scxspl 216 5932 0 5932 3 0 3 3 1 8 3
plimitpl 152 28 0 12 1 0 1 1 0 8 0
sigapl 424 430 0 388 6 0 6 6 0 8 1
knotepl 120 2530 0 2483 2 0 2 2 0 8 0
kqueuepl 184 21 0 12 1 0 1 1 0 8 0
pipepl 304 123 0 95 3 0 3 3 0 8 0
fdescpl 448 417 0 388 5 0 5 5 0 8 1
filepl 120 1422 0 1213 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 23 0 15 1 0 1 1 0 8 0
pgrppl 48 31 0 15 1 0 1 1 0 8 0
ucredpl 104 77 0 66 1 0 1 1 0 8 0
zombiepl 144 388 0 388 1 0 1 1 0 8 1
processpl 1152 430 0 388 4 0 4 4 0 8 0
procpl 664 436 0 388 5 0 5 5 0 8 0
sockpl 552 133 0 105 3 0 3 3 0 8 1
mcl8k 8192 4 0 4 1 0 1 1 0 8 1
mcl4k 4096 2498 0 2447 15 0 15 15 0 8 7
mcl2k 2048 111 0 111 1 0 1 1 0 8 1
mextrefs 64 32 0 32 1 0 1 1 0 8 1
mtagpl 96 4 0 4 1 0 1 1 0 8 1
mbufpl 256 4141 0 4010 9 0 9 9 0 8 0
bufpl 272 2216 0 102 141 0 141 141 0 8 0
anonpl 24 72689 0 69745 21 0 21 21 0 187 2
amapchunkpl 152 7476 0 7046 17 0 17 17 0 158 0
amappl16 200 845 0 832 4 0 4 4 0 8 3
amappl15 192 5 0 5 1 0 1 1 0 8 1
amappl14 184 407 0 406 1 0 1 1 0 8 0
amappl13 176 113 0 103 1 0 1 1 0 8 0
amappl12 168 653 0 626 2 0 2 2 0 8 0
amappl11 160 29 0 29 1 0 1 1 0 8 1
amappl10 152 58 0 47 1 0 1 1 0 8 0
amappl9 144 270 0 270 1 0 1 1 0 8 1
amappl8 136 93 0 91 1 0 1 1 0 8 0
amappl7 128 140 0 129 1 0 1 1 0 8 0
amappl6 120 148 0 146 1 0 1 1 0 8 0
amappl5 112 90 0 83 1 0 1 1 0 8 0
amappl4 104 257 0 241 1 0 1 1 0 8 0
amappl3 96 1370 0 1288 3 0 3 3 0 8 1
amappl2 88 525 0 460 2 0 2 2 0 8 0
amappl1 80 10073 0 9532 13 0 13 13 0 8 1
amappl 88 2177 0 2035 4 0 4 4 0 92 0
uvmvnodes 80 95 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 2 0 0 1 0 1 1 0 8 0
uaddrrnd 24 417 0 388 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 417 0 388 1 0 1 1 0 8 0
vmmpekpl 168 5315 0 5287 2 0 2 2 0 8 0
vmmpepl 168 35320 0 33631 79 0 79 79 0 357 3
vmsppl 368 416 0 388 4 0 4 4 0 8 1
rwobjpl 40 13042 0 12146 11 0 11 11 0 8 1
pdppl 4096 840 0 776 96 14 82 82 0 8 18
pvpl 32 190720 0 182625 71 0 71 71 0 265 5
pmappl 216 416 0 388 3 0 3 3 0 8 0
extentpl 40 46 0 28 1 0 1 1 0 8 0
phpool 112 497 0 14 14 0 14 14 0 8 0
ddb> machine ddbcpu 0
No such command
ddb> trace
arp_rtrequest(ffff8000002a3058,1,ffffee006a3ca9a8) at arp_rtrequest+0x6a4 arprequest sys/netinet/if_ether.c:325 [inline]
arp_rtrequest(ffff8000002a3058,1,ffffee006a3ca9a8) at arp_rtrequest+0x6a4 sys/netinet/if_ether.c:226
rtrequest(1,ffff8000338bd7b0,0,ffff8000338bd720,16) at rtrequest+0xdc1 sys/net/route.c:1114
rtm_output(ffff800001612500,ffff8000338bd858,ffff8000338bd7b0,0,16) at rtm_output+0x91a sys/net/rtsock.c:956
route_output(ffffee006a3d8900,ffff8000015899e0) at route_output+0xa6a sys/net/rtsock.c:862
route_send(ffff8000015899e0,ffffee006a3d8900,0,0) at route_send+0xd7 sys/net/rtsock.c:322
sosend(ffff8000015899e0,0,ffff8000338bda08,0,0,80c) at sosend+0x804 sys/kern/uipc_socket.c:-1
sendit(ffff80003c8fb778,3,ffff8000338bdb00,80c,ffff8000338bdba0) at sendit+0x5a5 sys/kern/uipc_syscalls.c:785
sys_sendto(ffff80003c8fb778,ffff8000338bdc50,ffff8000338bdba0) at sys_sendto+0x8d sys/kern/uipc_syscalls.c:563
syscall(ffff8000338bdc50) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff8000338bdc50) at syscall+0x962 sys/arch/amd64/amd64/trap.c:791
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x365198043e0, count: -10
ddb> machine ddbcpu 1
No such command
ddb> trace
arp_rtrequest(ffff8000002a3058,1,ffffee006a3ca9a8) at arp_rtrequest+0x6a4 arprequest sys/netinet/if_ether.c:325 [inline]
arp_rtrequest(ffff8000002a3058,1,ffffee006a3ca9a8) at arp_rtrequest+0x6a4 sys/netinet/if_ether.c:226
rtrequest(1,ffff8000338bd7b0,0,ffff8000338bd720,16) at rtrequest+0xdc1 sys/net/route.c:1114
rtm_output(ffff800001612500,ffff8000338bd858,ffff8000338bd7b0,0,16) at rtm_output+0x91a sys/net/rtsock.c:956
route_output(ffffee006a3d8900,ffff8000015899e0) at route_output+0xa6a sys/net/rtsock.c:862
route_send(ffff8000015899e0,ffffee006a3d8900,0,0) at route_send+0xd7 sys/net/rtsock.c:322
sosend(ffff8000015899e0,0,ffff8000338bda08,0,0,80c) at sosend+0x804 sys/kern/uipc_socket.c:-1
sendit(ffff80003c8fb778,3,ffff8000338bdb00,80c,ffff8000338bdba0) at sendit+0x5a5 sys/kern/uipc_syscalls.c:785
sys_sendto(ffff80003c8fb778,ffff8000338bdc50,ffff8000338bdba0) at sys_sendto+0x8d sys/kern/uipc_syscalls.c:563
syscall(ffff8000338bdc50) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff8000338bdc50) at syscall+0x962 sys/arch/amd64/amd64/trap.c:791
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x365198043e0, count: -10