uvm_fault(0xffffffff83a16290, 0xffff80000168a02a, 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
*290120 30462 0 0 0x4000000 0 syz-executor
arp_rtrequest(ffff8000002a2058,1,fffffd806cc38128) at arp_rtrequest+0x6a4 arprequest sys/netinet/if_ether.c:325 [inline]
arp_rtrequest(ffff8000002a2058,1,fffffd806cc38128) at arp_rtrequest+0x6a4 sys/netinet/if_ether.c:226
rtrequest(1,ffff80003c902ec0,0,ffff80003c902e30,16) at rtrequest+0xdc1 sys/net/route.c:1114
rtm_output(ffff800001607000,ffff80003c902f68,ffff80003c902ec0,0,16) at rtm_output+0x91a sys/net/rtsock.c:956
route_output(fffffd806d6e0b00,ffff8000015fe8b0) at route_output+0xa6a sys/net/rtsock.c:862
route_send(ffff8000015fe8b0,fffffd806d6e0b00,0,0) at route_send+0xd7 sys/net/rtsock.c:322
sosend(ffff8000015fe8b0,0,ffff80003c903118,0,0,808) at sosend+0x804 sys/kern/uipc_socket.c:-1
sendit(ffff8000308b1a08,7,ffff80003c903210,808,ffff80003c9032b0) at sendit+0x5a5 sys/kern/uipc_syscalls.c:785
sys_sendto(ffff8000308b1a08,ffff80003c903360,ffff80003c9032b0) at sys_sendto+0x8d sys/kern/uipc_syscalls.c:563
syscall(ffff80003c903360) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80003c903360) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x120c61b800, 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(0xffffffff83a16290, 0xffff80000168a02a, 0, 1) -> e
ddb> trace
arp_rtrequest(ffff8000002a2058,1,fffffd806cc38128) at arp_rtrequest+0x6a4 arprequest sys/netinet/if_ether.c:325 [inline]
arp_rtrequest(ffff8000002a2058,1,fffffd806cc38128) at arp_rtrequest+0x6a4 sys/netinet/if_ether.c:226
rtrequest(1,ffff80003c902ec0,0,ffff80003c902e30,16) at rtrequest+0xdc1 sys/net/route.c:1114
rtm_output(ffff800001607000,ffff80003c902f68,ffff80003c902ec0,0,16) at rtm_output+0x91a sys/net/rtsock.c:956
route_output(fffffd806d6e0b00,ffff8000015fe8b0) at route_output+0xa6a sys/net/rtsock.c:862
route_send(ffff8000015fe8b0,fffffd806d6e0b00,0,0) at route_send+0xd7 sys/net/rtsock.c:322
sosend(ffff8000015fe8b0,0,ffff80003c903118,0,0,808) at sosend+0x804 sys/kern/uipc_socket.c:-1
sendit(ffff8000308b1a08,7,ffff80003c903210,808,ffff80003c9032b0) at sendit+0x5a5 sys/kern/uipc_syscalls.c:785
sys_sendto(ffff8000308b1a08,ffff80003c903360,ffff80003c9032b0) at sys_sendto+0x8d sys/kern/uipc_syscalls.c:563
syscall(ffff80003c903360) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80003c903360) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x120c61b800, count: -10
ddb> show registers
rdi 0x20
rsi 0x90
rbp 0xffff80003c902d10
rbx 0xde
rdx 0
rcx 0xffff800001689f40
rax 0xfffffd806d6e0ae0
r8 0x1000 __ALIGN_SIZE
r9 0
r10 0xab8b89801947688d
r11 0x824f87d91fb3392e
r12 0x1c
r13 0xfffffd806d6e0a00
r14 0xfffffd806cc38128
r15 0xffff8000002a2058
rip 0xffffffff822bd804 arp_rtrequest+0x6a4
cs 0x8
rflags 0x10246 __ALIGN_SIZE+0xf246
rsp 0xffff80003c902c90
ss 0x10
arp_rtrequest+0x6a4: movzwl 0xc(%rcx,%rbx,1),%ecx
ddb> show proc
PROC (syz-executor) tid=290120 pid=30462 tcnt=2 stat=onproc
flags process=0 proc=4000000<THREAD>
runpri=32, usrpri=62, slppri=32, nice=20
wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0
forw=0xffffffffffffffff, list=0xffff8000308b0548,0xffff80003c8faa90
process=0xffff80002a747608 user=0xffff80003c8fe000, vmspace=0xfffffd806caa48b0
estcpu=12, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0
ddb> ps
PID TID PPID UID S FLAGS WAIT COMMAND
24254 236932 1 0 3 0x80 nanoslp init
30462 62374 83329 0 2 0 syz-executor
*30462 290120 83329 0 7 0x4000000 syz-executor
97238 477419 52767 0 2 0 syz-executor
97238 494221 52767 0 3 0x4000080 fsleep syz-executor
4362 97012 18313 0 2 0xc80 syz-executor
4362 145030 18313 0 3 0x4000080 sbwait syz-executor
4362 107537 18313 0 3 0x4000080 fsleep syz-executor
11328 303349 47373 0 3 0x82 piperd syz-executor
83703 308796 47373 0 3 0x82 piperd syz-executor
83329 402743 47373 0 3 0x82 nanoslp syz-executor
52767 390696 47373 0 2 0xc82 syz-executor
59300 137172 47373 0 3 0x82 piperd syz-executor
46552 338313 47373 0 2 0x2 syz-executor
18313 339008 47373 0 3 0x82 nanoslp syz-executor
47373 212004 1 0 3 0x82 nanoslp syz-executor
41274 470480 0 0 3 0x14200 bored smr
72766 65502 0 0 2 0x14200 zerothread
2098 168265 0 0 3 0x14200 aiodoned aiodoned
31914 486113 0 0 3 0x14200 syncer update
87043 233195 0 0 3 0x14200 cleaner cleaner
99445 335170 0 0 3 0x14200 reaper reaper
87648 114672 0 0 3 0x14200 pgdaemon pagedaemon
62698 369866 0 0 3 0x14200 bored viomb
61490 136421 0 0 3 0x40014200 acpi0 acpi0
34318 168917 0 0 3 0x14200 bored softnet0
70098 246995 0 0 3 0x14200 bored systqmp
49432 11438 0 0 3 0x14200 bored systq
87230 300319 0 0 3 0x40014200 tmoslp softclock
9652 308294 0 0 3 0x40014200 idle0
1 401062 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 11039 12300K 12551K 166960K 12199 0
pcb 18 12K 12K 166960K 30 0
rtable 211 7K 7K 166960K 399 0
pf 27 12K 13K 166960K 39 0
ifaddr 34 6K 6K 166960K 47 0
ifgroup 42 1K 2K 166960K 57 0
sysctl 1 1K 9K 166960K 6 0
counters 31 17K 17K 166960K 38 0
ioctlops 0 0K 4K 166960K 42 0
iov 1 4K 12K 166960K 4 0
mount 1 1K 1K 166960K 1 0
log 1 0K 0K 166960K 5 0
vnodes 1299 82K 82K 166960K 1471 0
UFS quota 1 32K 32K 166960K 1 0
UFS mount 5 36K 36K 166960K 5 0
shm 2 1K 5K 166960K 4 0
VM map 2 1K 1K 166960K 2 0
sem 6 0K 0K 166960K 6 0
dirhash 12 2K 2K 166960K 15 0
ACPI 1692 195K 286K 166960K 12470 0
file desc 11 41K 89K 166960K 215 0
proc 10 17K 83K 166960K 513 0
subproc 63 3K 5K 166960K 126 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 77 5K 6K 166960K 103 0
ether_multi 1 0K 0K 166960K 1 0
mrt 0 0K 0K 166960K 2 0
ISOFS mount 1 32K 32K 166960K 1 0
MSDOSFS mount 1 16K 16K 166960K 1 0
ttys 49 228K 228K 166960K 49 0
exec 0 0K 1K 166960K 391 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 89 69K 157K 166960K 3484 0
UVM aobj 5 2K 2K 166960K 5 0
pinsyscall 13 26K 94K 166960K 1333 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
NDP 9 0K 1K 166960K 29 0
temp 32 9106K 9110K 166960K 3892 0
kqueue 1 2K 26K 166960K 37 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 41 0 40 1 0 1 1 0 8 0
rtentry 136 115 0 26 4 0 4 4 0 8 0
unpcb 144 70 0 65 1 0 1 1 0 8 0
syncache 336 5 0 5 1 0 1 1 0 8 1
tcpcb 736 18 0 16 1 0 1 1 0 8 0
arp 96 18 0 4 1 0 1 1 0 8 0
ipq 40 1 0 0 1 0 1 1 0 8 0
ipqe 40 1 0 0 1 0 1 1 0 8 0
inpcb 328 93 0 90 2 0 2 2 0 8 0
nd6 112 24 0 6 1 0 1 1 0 8 0
kcovpl 48 14 0 7 1 0 1 1 0 8 0
mppekey 1024 1 0 1 1 0 1 1 0 8 1
ppxss 1072 4 0 4 1 0 1 1 0 8 1
pppxif 1416 1 0 1 1 0 1 1 0 8 1
pfrktable 1344 2 0 2 1 0 1 1 0 8 1
pfstkey 128 2 0 2 1 0 1 1 0 8 1
pfstate 384 1 0 1 1 0 1 1 0 8 1
pfrule 1360 2 0 2 1 0 1 1 0 8 1
art_heap8 4096 2 0 0 2 0 2 2 0 8 0
art_heap4 256 463 0 98 29 0 29 29 0 8 4
art_table 40 465 0 98 5 0 5 5 0 8 0
art_node 32 114 0 33 1 0 1 1 0 8 0
sysvmsgpl 40 1 0 1 1 0 1 1 0 8 1
semupl 112 1 0 1 1 0 1 1 0 8 1
semapl 72 4 0 0 1 0 1 1 0 8 0
shmpl 112 2 0 0 1 0 1 1 0 8 0
dirhash 1024 19 0 2 3 0 3 3 0 8 0
dino2pl 256 1686 0 225 92 0 92 92 0 8 0
ffsino 256 1686 0 225 92 0 92 92 0 8 0
nchpl 144 1958 0 264 64 0 64 64 0 8 0
rtmask 32 1 0 1 1 0 1 1 0 8 1
vnodes 216 1856 0 0 104 0 104 104 0 8 0
namei 1024 5912 0 5911 2 0 2 2 0 8 1
kstatmem 264 27 0 8 2 0 2 2 0 8 0
scsiplug 72 1 0 1 1 0 1 1 0 8 1
scxspl 216 6542 0 6542 4 0 4 4 1 8 4
plimitpl 152 39 0 31 1 0 1 1 0 8 0
sigapl 424 504 0 477 6 0 6 6 0 8 1
knotepl 120 4455 0 4438 17 7 10 17 0 8 8
kqueuepl 184 43 0 41 1 0 1 1 0 8 0
pipepl 304 144 0 117 3 0 3 3 0 8 0
fdescpl 448 491 0 477 5 0 5 5 0 8 2
filepl 120 1853 0 1705 7 0 7 7 0 8 0
lockfpl 104 36 0 36 1 0 1 1 0 8 1
lockfspl 48 18 0 18 1 0 1 1 0 8 1
sessionpl 144 31 0 29 1 0 1 1 0 8 0
pgrppl 48 45 0 36 1 0 1 1 0 8 0
ucredpl 104 155 0 152 1 0 1 1 0 8 0
zombiepl 144 477 0 477 1 0 1 1 0 8 1
processpl 1152 504 0 477 4 0 4 4 0 8 1
procpl 664 600 0 569 5 0 5 5 0 8 0
sosppl 176 2 0 2 1 0 1 1 0 8 1
sockpl 552 205 0 196 3 0 3 3 0 8 1
mcl64k 65536 6 0 6 1 0 1 1 0 8 1
mcl8k 8192 5 0 5 1 0 1 1 0 8 1
mcl4k 4096 2586 0 2519 15 0 15 15 0 8 6
mcl2k 2048 179 0 179 1 0 1 1 0 8 1
mtagpl 96 7 0 4 1 0 1 1 0 8 0
mbufpl 256 4961 0 4703 17 0 17 17 0 8 0
bufpl 280 2356 0 103 161 0 161 161 0 8 0
anonpl 24 82176 0 81043 44 0 44 44 0 186 28
amapchunkpl 152 9548 0 9313 24 0 24 24 0 158 10
amappl16 200 1168 0 1157 14 5 9 14 0 8 8
amappl15 192 7 0 7 1 0 1 1 0 8 1
amappl14 184 412 0 412 1 0 1 1 0 8 1
amappl13 176 116 0 116 1 0 1 1 0 8 1
amappl12 168 737 0 725 2 0 2 2 0 8 0
amappl11 160 5 0 5 1 0 1 1 0 8 1
amappl10 152 57 0 57 1 0 1 1 0 8 1
amappl9 144 273 0 273 1 0 1 1 0 8 1
amappl8 136 91 0 91 1 0 1 1 0 8 1
amappl7 128 142 0 139 1 0 1 1 0 8 0
amappl6 120 146 0 146 1 0 1 1 0 8 1
amappl5 112 161 0 161 1 0 1 1 0 8 1
amappl4 104 264 0 262 1 0 1 1 0 8 0
amappl3 96 1832 0 1782 3 0 3 3 0 8 0
amappl2 88 528 0 522 2 0 2 2 0 8 0
amappl1 80 10485 0 10409 14 0 14 14 0 8 8
amappl 88 2769 0 2689 4 0 4 4 0 92 0
uvmvnodes 80 100 0 0 3 0 3 3 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 128 254 0 254 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 4 0 0 1 0 1 1 0 8 0
uaddrrnd 24 491 0 477 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 491 0 477 1 0 1 1 0 8 0
vmmpekpl 168 6121 0 6087 2 0 2 2 0 8 0
vmmpepl 168 40012 0 39470 87 0 87 87 0 357 49
vmsppl 368 490 0 477 4 0 4 4 0 8 1
rwobjpl 40 14253 0 13938 12 0 12 12 0 8 1
pdppl 4096 988 0 954 96 36 60 78 0 8 26
pvpl 32 218757 0 215883 102 0 102 102 0 265 59
pmappl 216 490 0 477 2 0 2 2 0 8 0
extentpl 40 45 0 27 1 0 1 1 0 8 0
phpool 112 367 0 36 10 0 10 10 0 8 0
ddb> machine ddbcpu 0
No such command
ddb> trace
arp_rtrequest(ffff8000002a2058,1,fffffd806cc38128) at arp_rtrequest+0x6a4 arprequest sys/netinet/if_ether.c:325 [inline]
arp_rtrequest(ffff8000002a2058,1,fffffd806cc38128) at arp_rtrequest+0x6a4 sys/netinet/if_ether.c:226
rtrequest(1,ffff80003c902ec0,0,ffff80003c902e30,16) at rtrequest+0xdc1 sys/net/route.c:1114
rtm_output(ffff800001607000,ffff80003c902f68,ffff80003c902ec0,0,16) at rtm_output+0x91a sys/net/rtsock.c:956
route_output(fffffd806d6e0b00,ffff8000015fe8b0) at route_output+0xa6a sys/net/rtsock.c:862
route_send(ffff8000015fe8b0,fffffd806d6e0b00,0,0) at route_send+0xd7 sys/net/rtsock.c:322
sosend(ffff8000015fe8b0,0,ffff80003c903118,0,0,808) at sosend+0x804 sys/kern/uipc_socket.c:-1
sendit(ffff8000308b1a08,7,ffff80003c903210,808,ffff80003c9032b0) at sendit+0x5a5 sys/kern/uipc_syscalls.c:785
sys_sendto(ffff8000308b1a08,ffff80003c903360,ffff80003c9032b0) at sys_sendto+0x8d sys/kern/uipc_syscalls.c:563
syscall(ffff80003c903360) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80003c903360) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x120c61b800, count: -10
ddb> machine ddbcpu 1
No such command
ddb> trace
arp_rtrequest(ffff8000002a2058,1,fffffd806cc38128) at arp_rtrequest+0x6a4 arprequest sys/netinet/if_ether.c:325 [inline]
arp_rtrequest(ffff8000002a2058,1,fffffd806cc38128) at arp_rtrequest+0x6a4 sys/netinet/if_ether.c:226
rtrequest(1,ffff80003c902ec0,0,ffff80003c902e30,16) at rtrequest+0xdc1 sys/net/route.c:1114
rtm_output(ffff800001607000,ffff80003c902f68,ffff80003c902ec0,0,16) at rtm_output+0x91a sys/net/rtsock.c:956
route_output(fffffd806d6e0b00,ffff8000015fe8b0) at route_output+0xa6a sys/net/rtsock.c:862
route_send(ffff8000015fe8b0,fffffd806d6e0b00,0,0) at route_send+0xd7 sys/net/rtsock.c:322
sosend(ffff8000015fe8b0,0,ffff80003c903118,0,0,808) at sosend+0x804 sys/kern/uipc_socket.c:-1
sendit(ffff8000308b1a08,7,ffff80003c903210,808,ffff80003c9032b0) at sendit+0x5a5 sys/kern/uipc_syscalls.c:785
sys_sendto(ffff8000308b1a08,ffff80003c903360,ffff80003c9032b0) at sys_sendto+0x8d sys/kern/uipc_syscalls.c:563
syscall(ffff80003c903360) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80003c903360) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x120c61b800, count: -10
ddb>