uvm_fault(0xffffffff83a5e468, 0xffff8000016130aa, 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
*522647 91509 0 0 0x4000000 0 syz-executor
arp_rtrequest(ffff8000002a2058,1,fffff3000bae1128) at arp_rtrequest+0x6a4 arprequest sys/netinet/if_ether.c:325 [inline]
arp_rtrequest(ffff8000002a2058,1,fffff3000bae1128) at arp_rtrequest+0x6a4 sys/netinet/if_ether.c:226
rtrequest(1,ffff8000330c3180,0,ffff8000330c30f0,16) at rtrequest+0xdc1 sys/net/route.c:1114
rtm_output(ffff800001610b00,ffff8000330c3228,ffff8000330c3180,0,16) at rtm_output+0x91a sys/net/rtsock.c:956
route_output(fffff3006f998e00,ffff800010fded00) at route_output+0xa6a sys/net/rtsock.c:862
route_send(ffff800010fded00,fffff3006f998e00,0,0) at route_send+0xd7 sys/net/rtsock.c:322
sosend(ffff800010fded00,0,ffff8000330c33d8,0,0,80c) at sosend+0x804 sys/kern/uipc_socket.c:-1
sendit(ffff80002a75cd10,3,ffff8000330c34d0,80c,ffff8000330c3570) at sendit+0x5a5 sys/kern/uipc_syscalls.c:785
sys_sendto(ffff80002a75cd10,ffff8000330c3620,ffff8000330c3570) at sys_sendto+0x8d sys/kern/uipc_syscalls.c:563
syscall(ffff8000330c3620) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff8000330c3620) at syscall+0x962 sys/arch/amd64/amd64/trap.c:791
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x3b3e17ae870, 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(0xffffffff83a5e468, 0xffff8000016130aa, 0, 1) -> e
ddb> show kasan
No such command
ddb> trace
arp_rtrequest(ffff8000002a2058,1,fffff3000bae1128) at arp_rtrequest+0x6a4 arprequest sys/netinet/if_ether.c:325 [inline]
arp_rtrequest(ffff8000002a2058,1,fffff3000bae1128) at arp_rtrequest+0x6a4 sys/netinet/if_ether.c:226
rtrequest(1,ffff8000330c3180,0,ffff8000330c30f0,16) at rtrequest+0xdc1 sys/net/route.c:1114
rtm_output(ffff800001610b00,ffff8000330c3228,ffff8000330c3180,0,16) at rtm_output+0x91a sys/net/rtsock.c:956
route_output(fffff3006f998e00,ffff800010fded00) at route_output+0xa6a sys/net/rtsock.c:862
route_send(ffff800010fded00,fffff3006f998e00,0,0) at route_send+0xd7 sys/net/rtsock.c:322
sosend(ffff800010fded00,0,ffff8000330c33d8,0,0,80c) at sosend+0x804 sys/kern/uipc_socket.c:-1
sendit(ffff80002a75cd10,3,ffff8000330c34d0,80c,ffff8000330c3570) at sendit+0x5a5 sys/kern/uipc_syscalls.c:785
sys_sendto(ffff80002a75cd10,ffff8000330c3620,ffff8000330c3570) at sys_sendto+0x8d sys/kern/uipc_syscalls.c:563
syscall(ffff8000330c3620) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff8000330c3620) at syscall+0x962 sys/arch/amd64/amd64/trap.c:791
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x3b3e17ae870, count: -10
ddb> show registers
rdi 0x20
rsi 0x90
rbp 0xffff8000330c2fd0
rbx 0xde
rdx 0
rcx 0xffff800001612fc0
rax 0xfffff3006f9968e0
r8 0x1000 __ALIGN_SIZE
r9 0
r10 0x4596af15422442b7
r11 0xcc265cddad1243e3
r12 0x1d
r13 0xfffff3006f996800
r14 0xfffff3000bae1128
r15 0xffff8000002a2058
rip 0xffffffff82592134 arp_rtrequest+0x6a4
cs 0x8
rflags 0x10246 __ALIGN_SIZE+0xf246
rsp 0xffff8000330c2f50
ss 0x10
arp_rtrequest+0x6a4: movzwl 0xc(%rcx,%rbx,1),%ecx
ddb> show proc
PROC (syz-executor) tid=522647 pid=91509 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=0xffff80002a75d4d8,0xffff80002a797788
process=0xffff80003c8dd218 user=0xffff8000330be000, vmspace=0xfffff3006c932468
estcpu=36, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0
ddb> ps
PID TID PPID UID S PRLAGS PFLAGS WAIT COMMAND
8444 47411 72873 0 2 0x40 0 syz-executor
91509 491346 6467 0 2 0 0 syz-executor
*91509 522647 6467 0 7 0 0x4000000 syz-executor
95425 471318 97923 0 2 0 0 syz-executor
95425 483002 97923 0 3 0 0x4000080 fsleep syz-executor
67214 67035 61161 0 2 0 0 syz-executor
67214 192252 61161 0 3 0 0x4000080 rest syz-executor
72873 281750 8629 0 3 0x82 0 ppwait syz-executor
81411 88124 89242 0 3 0 0x80 nanoslp syz-executor
81411 12949 89242 0 3 0 0x4000080 nanoslp syz-executor
81411 55881 89242 0 3 0 0x4000080 fsleep syz-executor
95694 456873 4959 0 3 0 0x80 nanoslp syz-executor
95694 440770 4959 0 3 0 0x4000080 pipewr syz-executor
95694 342861 4959 0 3 0 0x4000080 pipewr syz-executor
95694 426326 4959 0 3 0 0x4000080 fsleep syz-executor
14776 416179 8629 0 3 0x2 0x80 piperd syz-executor
4959 231860 8629 0 3 0x2 0x80 nanoslp syz-executor
15613 212532 8629 0 2 0x2 0 syz-executor
89242 190293 8629 0 3 0x2 0x80 nanoslp syz-executor
6467 111760 8629 0 3 0x2 0x80 nanoslp syz-executor
97923 496820 8629 0 3 0x2 0x80 nanoslp syz-executor
61161 505214 8629 0 3 0x2 0x80 nanoslp syz-executor
8629 398333 59307 0 2 0x2 0 syz-executor
59307 356992 12715 0 3 0x100002 0x88 sigsusp ksh
12715 50865 42298 0 3 0x10 0x88 kqread sshd-session
42298 334870 35810 0 3 0x12 0x80 kqread sshd-session
12224 306201 1 0 3 0x100003 0x80 ttyin getty
35810 352056 1 0 3 0 0x88 kqread sshd
96493 278744 41202 73 3 0x1100010 0x80 kqread syslogd
41202 125342 1 0 3 0x100002 0x80 sbwait syslogd
50960 318223 1 0 3 0x100000 0x80 kqread resolvd
81405 3690 74802 77 3 0x100012 0x80 kqread dhcpleased
82565 429051 74802 77 3 0x100012 0x80 kqread dhcpleased
74802 59107 1 0 3 0 0x80 kqread dhcpleased
82177 4296 0 0 3 0x14000 0x200 bored smr
82671 260544 0 0 2 0x14000 0x200 zerothread
52369 384823 0 0 3 0x14000 0x200 aiodoned aiodoned
54257 313656 0 0 3 0x14000 0x200 syncer update
81741 273614 0 0 3 0x14000 0x200 cleaner cleaner
8784 479631 0 0 3 0x14000 0x200 reaper reaper
92069 91180 0 0 3 0x14000 0x200 pgdaemon pagedaemon
97217 6471 0 0 3 0x14000 0x200 bored viomb
55401 70250 0 0 3 0x14000 0x40000200 acpi0 acpi0
5762 90933 0 0 3 0x14000 0x200 bored softnet0
83752 166684 0 0 3 0x14000 0x200 smrbar systqmp
34735 267702 0 0 3 0x14000 0x200 bored systq
43912 447157 0 0 3 0x14000 0x40000200 tmoslp softclock
68319 337930 0 0 3 0x14000 0x40000200 idle0
1 266955 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 11024 12100K 12135K 166960K 12123 0
pcb 17 12K 12K 166960K 19 0
rtable 228 8K 8K 166960K 374 0
pf 28 12K 13K 166960K 32 0
ifaddr 38 6K 7K 166960K 45 0
ifgroup 46 2K 2K 166960K 52 0
sysctl 2 1K 9K 166960K 7 0
counters 32 17K 18K 166960K 36 0
ioctlops 0 0K 4K 166960K 34 0
iov 0 0K 12K 166960K 1 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1290 81K 81K 166960K 1371 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 16 57K 93K 166960K 151 0
proc 59 59K 108K 166960K 500 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 5 0
in_multi 88 5K 6K 166960K 103 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 37 175K 175K 166960K 37 0
exec 0 0K 1K 166960K 366 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 205 158K 168K 166960K 2967 0
UVM aobj 3 2K 2K 166960K 3 0
pinsyscall 37 74K 94K 166960K 1251 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
NDP 24 1K 2K 166960K 28 0
temp 33 9106K 9112K 166960K 3630 0
kqueue 13 20K 22K 166960K 26 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 136 112 0 12 4 0 4 4 0 8 0
unpcb 144 46 0 28 1 0 1 1 0 8 0
syncache 336 4 0 4 1 0 1 1 0 8 1
tcpcb 736 13 0 8 1 0 1 1 0 8 0
arp 96 18 0 2 1 0 1 1 0 8 0
inpcb 328 67 0 58 2 0 2 2 0 8 1
nd6 112 24 0 3 1 0 1 1 0 8 0
kcovpl 48 9 0 1 1 0 1 1 0 8 0
ppxss 1072 3 0 3 1 0 1 1 0 8 1
art_heap8 4096 2 0 0 2 0 2 2 0 8 0
art_heap4 256 452 0 0 29 0 29 29 0 8 0
art_table 40 454 0 0 5 0 5 5 0 8 0
art_node 32 112 0 21 1 0 1 1 0 8 0
sysvmsgpl 40 1 0 1 1 0 1 1 0 8 1
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 1576 0 115 92 0 92 92 0 8 0
ffsino 256 1576 0 115 92 0 92 92 0 8 0
nchpl 144 1786 0 93 64 0 64 64 0 8 0
rtmask 32 2 0 2 1 0 1 1 0 8 1
vnodes 216 1670 0 0 93 0 93 93 0 8 0
namei 1024 6048 0 6048 4 0 4 4 0 8 4
kstatmem 264 25 0 4 2 0 2 2 0 8 0
scxspl 216 6057 0 6057 4 0 4 4 1 8 4
plimitpl 152 63 0 46 1 0 1 1 0 8 0
sigapl 424 444 0 403 6 0 6 6 0 8 1
knotepl 120 2599 0 2552 2 0 2 2 0 8 0
kqueuepl 184 25 0 14 1 0 1 1 0 8 0
pipepl 304 126 0 98 3 0 3 3 0 8 0
fdescpl 448 431 0 403 5 0 5 5 0 8 1
filepl 120 1537 0 1320 7 0 7 7 0 8 0
lockfpl 104 8 0 6 1 0 1 1 0 8 0
lockfspl 48 5 0 3 1 0 1 1 0 8 0
sessionpl 144 25 0 17 1 0 1 1 0 8 0
pgrppl 48 35 0 19 1 0 1 1 0 8 0
ucredpl 104 87 0 76 1 0 1 1 0 8 0
zombiepl 144 403 0 403 1 0 1 1 0 8 1
processpl 1152 444 0 403 4 0 4 4 0 8 0
procpl 664 469 0 420 5 0 5 5 0 8 0
sockpl 552 151 0 120 3 0 3 3 0 8 0
mcl8k 8192 4 0 4 1 0 1 1 0 8 1
mcl4k 4096 2503 0 2443 14 0 14 14 0 8 6
mcl2k 2048 126 0 126 1 0 1 1 0 8 1
mextrefs 64 36 0 36 1 0 1 1 0 8 1
mtagpl 96 4 0 4 1 0 1 1 0 8 1
mbufpl 256 4246 0 4113 9 0 9 9 0 8 0
bufpl 272 2239 0 103 143 0 143 143 0 8 0
anonpl 24 80656 0 77731 32 0 32 32 0 187 12
amapchunkpl 152 8039 0 7614 24 0 24 24 0 158 7
amappl16 200 1060 0 1042 4 0 4 4 0 8 2
amappl15 192 1 0 1 1 0 1 1 0 8 1
amappl14 184 409 0 408 1 0 1 1 0 8 0
amappl13 176 147 0 137 1 0 1 1 0 8 0
amappl12 168 666 0 640 2 0 2 2 0 8 0
amappl11 160 7 0 7 1 0 1 1 0 8 1
amappl10 152 60 0 50 1 0 1 1 0 8 0
amappl9 144 269 0 269 1 0 1 1 0 8 1
amappl8 136 116 0 114 1 0 1 1 0 8 0
amappl7 128 177 0 166 1 0 1 1 0 8 0
amappl6 120 154 0 152 1 0 1 1 0 8 0
amappl5 112 90 0 83 1 0 1 1 0 8 0
amappl4 104 253 0 240 1 0 1 1 0 8 0
amappl3 96 1432 0 1350 3 0 3 3 0 8 1
amappl2 88 541 0 476 2 0 2 2 0 8 0
amappl1 80 10154 0 9605 13 0 13 13 0 8 1
amappl 88 2276 0 2134 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 24 431 0 403 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 431 0 403 1 0 1 1 0 8 0
vmmpekpl 168 5548 0 5511 2 0 2 2 0 8 0
vmmpepl 168 36719 0 35025 80 0 80 80 0 357 4
vmsppl 368 430 0 403 4 0 4 4 0 8 1
rwobjpl 40 13485 0 12574 11 0 11 11 0 8 1
pdppl 4096 868 0 806 94 14 80 80 0 8 18
pvpl 32 204019 0 196315 95 0 95 95 0 265 30
pmappl 216 430 0 403 3 0 3 3 0 8 1
extentpl 40 45 0 27 1 0 1 1 0 8 0
phpool 112 498 0 14 14 0 14 14 0 8 0
ddb> machine ddbcpu 0
No such command
ddb> trace
arp_rtrequest(ffff8000002a2058,1,fffff3000bae1128) at arp_rtrequest+0x6a4 arprequest sys/netinet/if_ether.c:325 [inline]
arp_rtrequest(ffff8000002a2058,1,fffff3000bae1128) at arp_rtrequest+0x6a4 sys/netinet/if_ether.c:226
rtrequest(1,ffff8000330c3180,0,ffff8000330c30f0,16) at rtrequest+0xdc1 sys/net/route.c:1114
rtm_output(ffff800001610b00,ffff8000330c3228,ffff8000330c3180,0,16) at rtm_output+0x91a sys/net/rtsock.c:956
route_output(fffff3006f998e00,ffff800010fded00) at route_output+0xa6a sys/net/rtsock.c:862
route_send(ffff800010fded00,fffff3006f998e00,0,0) at route_send+0xd7 sys/net/rtsock.c:322
sosend(ffff800010fded00,0,ffff8000330c33d8,0,0,80c) at sosend+0x804 sys/kern/uipc_socket.c:-1
sendit(ffff80002a75cd10,3,ffff8000330c34d0,80c,ffff8000330c3570) at sendit+0x5a5 sys/kern/uipc_syscalls.c:785
sys_sendto(ffff80002a75cd10,ffff8000330c3620,ffff8000330c3570) at sys_sendto+0x8d sys/kern/uipc_syscalls.c:563
syscall(ffff8000330c3620) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff8000330c3620) at syscall+0x962 sys/arch/amd64/amd64/trap.c:791
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x3b3e17ae870, count: -10
ddb> machine ddbcpu 1
No such command
ddb> trace
arp_rtrequest(ffff8000002a2058,1,fffff3000bae1128) at arp_rtrequest+0x6a4 arprequest sys/netinet/if_ether.c:325 [inline]
arp_rtrequest(ffff8000002a2058,1,fffff3000bae1128) at arp_rtrequest+0x6a4 sys/netinet/if_ether.c:226
rtrequest(1,ffff8000330c3180,0,ffff8000330c30f0,16) at rtrequest+0xdc1 sys/net/route.c:1114
rtm_output(ffff800001610b00,ffff8000330c3228,ffff8000330c3180,0,16) at rtm_output+0x91a sys/net/rtsock.c:956
route_output(fffff3006f998e00,ffff800010fded00) at route_output+0xa6a sys/net/rtsock.c:862
route_send(ffff800010fded00,fffff3006f998e00,0,0) at route_send+0xd7 sys/net/rtsock.c:322
sosend(ffff800010fded00,0,ffff8000330c33d8,0,0,80c) at sosend+0x804 sys/kern/uipc_socket.c:-1
sendit(ffff80002a75cd10,3,ffff8000330c34d0,80c,ffff8000330c3570) at sendit+0x5a5 sys/kern/uipc_syscalls.c:785
sys_sendto(ffff80002a75cd10,ffff8000330c3620,ffff8000330c3570) at sys_sendto+0x8d sys/kern/uipc_syscalls.c:563
syscall(ffff8000330c3620) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff8000330c3620) at syscall+0x962 sys/arch/amd64/amd64/trap.c:791
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x3b3e17ae870, count: -10