uvm_fault(0xfffffb006cf3c3e8, 0xeed2, 0, 1) -> e
kernel: page fault trap, code=0
Stopped at rtable_lookup+0xea: movq 0(%rax,%rcx,8),%r15
TID PID UID PRFLAGS PFLAGS CPU COMMAND
*294283 10932 0 0x100002 0 0 arp
205500 48403 0 0x14000 0x200 1 reaper
rtable_lookup(0,ffff80000166c860,0,0,40) at rtable_lookup+0xea rtable_get sys/net/rtable.c:260 [inline]
rtable_lookup(0,ffff80000166c860,0,0,40) at rtable_lookup+0xea sys/net/rtable.c:440
rtm_output(ffff80000166c800,ffff80003be05218,ffff80003be05178,40,0) at rtm_output+0x138 sys/net/rtsock.c:1189
route_output(fffffb0071a4e800,ffff800010fdc8f0) at route_output+0xa27 sys/net/rtsock.c:862
route_send(ffff800010fdc8f0,fffffb0071a4e800,0,0) at route_send+0xd7 sys/net/rtsock.c:322
sosend(ffff800010fdc8f0,0,ffff80003be05478,0,0,0) at sosend+0x804 sys/kern/uipc_socket.c:-1
dofilewritev(ffff80003c3f0d20,3,ffff80003be05478,0,ffff80003be05530) at dofilewritev+0x2bd sys/kern/sys_generic.c:384
sys_write(ffff80003c3f0d20,ffff80003be055e0,ffff80003be05530) at sys_write+0xa2 sys/kern/sys_generic.c:300
syscall(ffff80003be055e0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80003be055e0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:791
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7d1f553c9c60, count: 6
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{0}>
ddb{0}> set $lines = 0
ddb{0}> set $maxwidth = 0
ddb{0}> show panic
*cpu0: uvm_fault(0xfffffb006cf3c3e8, 0xeed2, 0, 1) -> e
ddb{0}> show kasan
No such command
ddb{0}> trace
rtable_lookup(0,ffff80000166c860,0,0,40) at rtable_lookup+0xea rtable_get sys/net/rtable.c:260 [inline]
rtable_lookup(0,ffff80000166c860,0,0,40) at rtable_lookup+0xea sys/net/rtable.c:440
rtm_output(ffff80000166c800,ffff80003be05218,ffff80003be05178,40,0) at rtm_output+0x138 sys/net/rtsock.c:1189
route_output(fffffb0071a4e800,ffff800010fdc8f0) at route_output+0xa27 sys/net/rtsock.c:862
route_send(ffff800010fdc8f0,fffffb0071a4e800,0,0) at route_send+0xd7 sys/net/rtsock.c:322
sosend(ffff800010fdc8f0,0,ffff80003be05478,0,0,0) at sosend+0x804 sys/kern/uipc_socket.c:-1
dofilewritev(ffff80003c3f0d20,3,ffff80003be05478,0,ffff80003be05530) at dofilewritev+0x2bd sys/kern/sys_generic.c:384
sys_write(ffff80003c3f0d20,ffff80003be055e0,ffff80003be05530) at sys_write+0xa2 sys/kern/sys_generic.c:300
syscall(ffff80003be055e0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80003be055e0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:791
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7d1f553c9c60, count: -9
ddb{0}> show registers
rdi 0x1000 __ALIGN_SIZE
rsi 0
rbp 0xffff80003be050c0
rbx 0
rdx 0
rcx 0
rax 0xeed2 __ALIGN_SIZE+0xded2
r8 0x40
r9 0
r10 0xf33b06b179b8cb36
r11 0x139113a1c839d294
r12 0
r13 0xffff80000166c860
r14 0xffff800000c43e10
r15 0x1000 __ALIGN_SIZE
rip 0xffffffff83247c5a rtable_lookup+0xea
cs 0x8
rflags 0x10206 __ALIGN_SIZE+0xf206
rsp 0xffff80003be05040
ss 0x10
rtable_lookup+0xea: movq 0(%rax,%rcx,8),%r15
ddb{0}> show proc
PROC (arp) tid=294283 pid=10932 tcnt=1 stat=onproc
flags process=100002<EXEC,PLEDGE> proc=0
runpri=73, usrpri=73, slppri=32, nice=20
wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0
forw=0xffffffffffffffff, list=0xffff80003c3f1a18,0xffffffff83b40a30
process=0xffff80003be0d368 user=0xffff80003be00000, vmspace=0xfffffb006cf3c3e8
estcpu=36, cpticks=2, pctcpu=0.0, user=0, sys=1, intr=0
ddb{0}> ps
PID TID PPID UID S PRLAGS PFLAGS WAIT COMMAND
*10932 294283 45895 0 7 0x100002 0 arp
45895 3897 44555 0 3 0x100002 0x88 sigsusp sh
26050 389384 36702 0 2 0x100000 0 sh
36702 403623 4825 0 3 0x100002 0x88 sigsusp sh
34968 500608 46532 0 2 0 0 syz-executor
34968 387212 46532 0 3 0 0x4000080 fsleep syz-executor
89423 273995 90480 0 2 0 0 syz-executor
89423 365976 90480 0 3 0 0x4000080 fsleep syz-executor
89423 442289 90480 0 3 0 0x4000080 fsleep syz-executor
4825 68094 60902 0 3 0x2 0x80 wait syz-executor
44555 424254 60902 0 3 0x2 0x80 wait syz-executor
39659 135146 60902 0 3 0x2 0x80 piperd syz-executor
87516 149958 60902 0 3 0x2 0x80 nanoslp syz-executor
90480 129029 60902 0 3 0x2 0x80 nanoslp syz-executor
46532 468010 60902 0 3 0x2 0x80 nanoslp syz-executor
60902 85994 42237 0 3 0x2 0x80 wait syz-executor
42237 116831 52996 0 3 0x100002 0x88 sigsusp ksh
52996 452325 85388 0 3 0x10 0x88 kqread sshd-session
85388 129700 36078 0 3 0x12 0x80 kqread sshd-session
87015 185473 1 0 3 0x100003 0x80 ttyin getty
36078 391561 1 0 3 0 0x88 kqread sshd
90117 480113 46992 74 3 0x1100012 0x80 bpf pflogd
46992 518423 1 0 3 0 0x80 sbwait pflogd
83001 295756 84606 73 3 0x1100010 0x80 kqread syslogd
84606 407814 1 0 3 0x100002 0x80 sbwait syslogd
12264 26052 1 0 3 0x100000 0x80 kqread resolvd
34550 62314 95453 77 3 0x100012 0x80 kqread dhcpleased
28236 456903 95453 77 3 0x100012 0x80 kqread dhcpleased
95453 3651 1 0 3 0 0x80 kqread dhcpleased
12856 26313 0 0 3 0x14000 0x200 bored smr
62124 50023 0 0 2 0x14000 0x200 zerothread
93597 478674 0 0 3 0x14000 0x200 aiodoned aiodoned
86967 332439 0 0 3 0x14000 0x200 syncer update
1676 252234 0 0 3 0x14000 0x200 cleaner cleaner
48403 205500 0 0 7 0x14000 0x200 reaper
37239 41537 0 0 3 0x14000 0x200 pgdaemon pagedaemon
58407 246261 0 0 3 0x14000 0x200 bored viomb
97609 217501 0 0 3 0x14000 0x40000200 acpi0 acpi0
4819 482034 0 0 3 0x14000 0x40000200 idle1
4597 324356 0 0 3 0x14000 0x200 bored softnet1
50771 108699 0 0 3 0x14000 0x200 bored softnet0
83951 318348 0 0 3 0x14000 0x200 smrbar systqmp
54625 171752 0 0 3 0x14000 0x200 bored systq
33231 39730 0 0 3 0x14000 0x200 tmoslp softclockmp
76821 240448 0 0 3 0x14000 0x40000200 tmoslp softclock
17485 519398 0 0 3 0x14000 0x40000200 idle0
1 71467 0 0 3 0x2 0x80 wait init
0 0 -1 0 3 0x10000 0x200 scheduler swapper
ddb{0}> show all locks
CPU 1:
uvm_fault(0xfffffb006cf3c3e8, 0x0, 0, 1) -> e
kernel: page fault trap, code=0
Faulted in DDB; continuing...
ddb{0}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 11064 12097K 12418K 166960K 12509 0
pcb 17 15K 17K 166960K 109 0
rtable 191 6K 7K 166960K 1550 0
pf 35 17K 25K 166960K 162 0
ifaddr 39 6K 7K 166960K 209 0
ifgroup 55 2K 2K 166960K 228 0
sysctl 4 1K 9K 166960K 9 0
counters 70 37K 37K 166960K 158 0
ioctlops 0 0K 4K 166960K 1576 0
iov 0 0K 12K 166960K 12 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1330 84K 84K 166960K 2148 0
UFS quota 1 32K 32K 166960K 1 0
UFS mount 5 36K 36K 166960K 5 0
shm 2 1K 5K 166960K 7 0
VM map 2 1K 1K 166960K 2 0
sem 27 1K 1K 166960K 93 0
dirhash 12 2K 2K 166960K 12 0
ACPI 1734 201K 291K 166960K 11964 0
file desc 16 57K 93K 166960K 1032 0
sigio 0 0K 0K 166960K 8 0
proc 72 115K 164K 166960K 1675 0
subproc 72 4K 4K 166960K 432 0
NFS srvsock 1 0K 0K 166960K 1 0
NFS daemon 1 16K 16K 166960K 1 0
ip_moptions 0 0K 0K 166960K 29 0
in_multi 78 5K 6K 166960K 532 0
ether_multi 1 0K 0K 166960K 1 0
mrt 0 0K 0K 166960K 23 0
ISOFS mount 1 32K 32K 166960K 1 0
MSDOSFS mount 1 16K 16K 166960K 1 0
ttys 79 360K 360K 166960K 79 0
exec 0 0K 1K 166960K 992 0
fusefs mount 1 32K 32K 166960K 1 0
pfkey data 0 0K 0K 166960K 1 0
tdb 3 0K 0K 166960K 3 0
VM swap 8 62K 64K 166960K 10 0
UVM amap 211 177K 184K 166960K 9018 0
UVM aobj 8 2K 2K 166960K 9 0
pinsyscall 42 84K 106K 166960K 3243 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
ip6_options 0 0K 0K 166960K 40 0
NDP 18 0K 2K 166960K 148 0
temp 73 9124K 12980K 166960K 18702 0
kqueue 14 22K 29K 166960K 94 0
SYN cache 2 16K 16K 166960K 2 0
ddb{0}> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
plcache 128 28 0 0 1 0 1 1 0 8 0
rtpcb 120 130 0 126 1 0 1 1 0 8 0
rtentry 176 540 0 457 6 0 6 6 0 8 1
unpcb 144 195 0 178 1 0 1 1 0 8 0
syncache 336 5 0 5 2 1 1 1 0 8 1
tcpcb 736 72 0 68 1 0 1 1 0 8 0
arp 136 95 0 80 1 0 1 1 0 8 0
inpcb 328 812 0 804 13 6 7 13 0 8 6
nd6 152 141 0 123 2 0 2 2 0 8 0
pkpcb 40 2 0 2 2 2 0 1 0 8 0
kcovpl 48 48 0 40 1 0 1 1 0 8 0
ppxss 1192 2 0 2 2 1 1 1 0 8 1
pffrag 232 2 0 1 1 0 1 1 0 482 0
pffrnode 88 2 0 1 1 0 1 1 0 8 0
pffrent 40 3 0 2 1 0 1 1 0 8 0
pfosfp 40 1428 0 1005 5 0 5 5 0 8 0
pfosfpen 112 1428 0 714 21 0 21 21 0 8 0
pfstlim 224 1 0 1 1 1 0 1 0 8 0
pfanchor 1288 3 0 2 1 0 1 1 0 8 0
pftag 88 4 0 0 1 0 1 1 0 8 0
pfstitem 24 41 0 5 1 0 1 1 0 8 0
pfstkey 128 41 0 5 2 0 2 2 0 8 0
pfstate 448 41 0 5 5 0 5 5 0 8 0
pfrule 1360 25 0 18 2 1 1 2 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 2220 0 1821 31 0 31 31 0 8 6
art_table 40 2221 0 1821 5 0 5 5 0 8 0
art_node 32 540 0 463 1 0 1 1 0 8 0
sysvmsgpl 40 4 0 4 1 1 0 1 0 8 0
semapl 72 88 0 63 1 0 1 1 0 8 0
shmpl 112 6 0 1 1 0 1 1 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 2328 0 758 99 0 99 99 0 8 0
ffsino 296 2328 0 758 121 0 121 121 0 8 0
nchpl 144 2950 0 1078 70 0 70 70 0 8 0
vnodes 216 2963 0 0 165 0 165 165 0 8 0
namei 1024 15277 0 15277 5 3 2 3 0 8 2
percpumem 16 95 0 44 1 0 1 1 0 8 0
kstatmem 264 115 0 88 2 0 2 2 0 8 0
scsiplug 72 2 0 2 2 1 1 1 0 8 1
scxspl 216 9336 0 9336 11 10 1 8 1 8 1
plimitpl 152 92 0 74 1 0 1 1 0 8 0
sigapl 424 1281 0 1234 7 1 6 7 0 8 0
knotepl 120 358 0 0 11 0 11 11 0 8 0
kqueuepl 224 109 0 99 2 1 1 2 0 8 0
pipepl 344 397 0 370 9 5 4 9 0 8 0
fdescpl 528 1265 0 1235 3 0 3 3 0 8 0
filepl 160 5611 0 5402 20 5 15 17 0 8 4
lockfpl 104 88 0 86 1 0 1 1 0 8 0
lockfspl 48 42 0 40 1 0 1 1 0 8 0
sessionpl 144 81 0 72 1 0 1 1 0 8 0
pgrppl 48 131 0 114 1 0 1 1 0 8 0
ucredpl 104 962 0 949 1 0 1 1 0 8 0
zombiepl 144 1237 0 1234 2 1 1 1 0 8 0
processpl 1232 1281 0 1234 6 1 5 5 0 8 0
procpl 664 1861 0 1811 6 0 6 6 0 8 0
sockpl 752 1154 0 1125 18 8 10 18 0 8 6
mcl64k 65536 4 0 0 1 0 1 1 0 8 0
mcl16k 16384 1 0 0 1 0 1 1 0 8 0
mcl9k128 9344 1 0 0 1 0 1 1 0 8 0
mcl8k 8192 4 0 0 1 0 1 1 0 8 0
mcl4k 4096 120 0 0 15 0 15 15 0 8 0
mcl2k 2048 34 0 0 5 0 5 5 0 8 0
mextrefs 64 37 0 0 1 0 1 1 0 8 0
mtagpl 96 4 0 0 1 0 1 1 0 8 0
mbufpl 256 228 0 0 14 0 14 14 0 8 0
bufpl 272 2880 0 105 185 0 185 185 0 8 0
anonpl 32 3854 0 0 32 0 32 32 0 247 0
amapchunkpl 152 25327 0 24951 27 7 20 27 0 158 3
amappl16 200 2248 0 2235 5 2 3 5 0 8 1
amappl15 192 5 0 5 1 1 0 1 0 8 0
amappl14 184 914 0 910 1 0 1 1 0 8 0
amappl13 176 202 0 189 1 0 1 1 0 8 0
amappl12 168 1679 0 1650 2 0 2 2 0 8 0
amappl11 160 9 0 9 1 1 0 1 0 8 0
amappl10 152 66 0 52 1 0 1 1 0 8 0
amappl9 144 274 0 273 1 0 1 1 0 8 0
amappl8 136 283 0 281 1 0 1 1 0 8 0
amappl7 128 240 0 226 1 0 1 1 0 8 0
amappl6 120 561 0 557 1 0 1 1 0 8 0
amappl5 112 107 0 95 1 0 1 1 0 8 0
amappl4 104 415 0 394 1 0 1 1 0 8 0
amappl3 96 4803 0 4724 3 0 3 3 0 8 0
amappl2 88 1246 0 1170 2 0 2 2 0 8 0
amappl1 80 16976 0 16360 15 1 14 14 0 8 0
amappl 88 7571 0 7439 5 0 5 5 0 92 0
uvmvnodes 80 102 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 128 253 0 253 1 1 0 1 0 8 0
dma64 64 8 0 8 2 2 0 1 0 8 0
dma32 32 7 0 7 1 1 0 1 0 8 0
dma16 16 18 0 17 1 0 1 1 0 8 0
aobjpl 72 8 0 1 1 0 1 1 0 8 0
uaddrrnd 24 1265 0 1235 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 1265 0 1235 1 0 1 1 0 8 0
vmmpekpl 168 11821 0 11760 4 0 4 4 0 8 0
vmmpepl 168 89087 0 87327 89 1 88 88 0 357 3
vmsppl 488 1264 0 1235 5 0 5 5 0 8 0
rwobjpl 80 26864 0 25831 25 1 24 24 0 8 1
pdppl 4096 2537 0 2470 135 54 81 85 0 8 14
pvpl 32 10751 0 0 88 1 87 87 0 265 0
pmappl 256 1264 0 1235 3 0 3 3 0 8 0
extentpl 40 46 0 28 1 0 1 1 0 8 0
phpool 112 512 0 61 13 0 13 13 0 8 0
ddb{0}> machine ddbcpu 0
Invalid cpu 0
ddb{0}> trace
rtable_lookup(0,ffff80000166c860,0,0,40) at rtable_lookup+0xea rtable_get sys/net/rtable.c:260 [inline]
rtable_lookup(0,ffff80000166c860,0,0,40) at rtable_lookup+0xea sys/net/rtable.c:440
rtm_output(ffff80000166c800,ffff80003be05218,ffff80003be05178,40,0) at rtm_output+0x138 sys/net/rtsock.c:1189
route_output(fffffb0071a4e800,ffff800010fdc8f0) at route_output+0xa27 sys/net/rtsock.c:862
route_send(ffff800010fdc8f0,fffffb0071a4e800,0,0) at route_send+0xd7 sys/net/rtsock.c:322
sosend(ffff800010fdc8f0,0,ffff80003be05478,0,0,0) at sosend+0x804 sys/kern/uipc_socket.c:-1
dofilewritev(ffff80003c3f0d20,3,ffff80003be05478,0,ffff80003be05530) at dofilewritev+0x2bd sys/kern/sys_generic.c:384
sys_write(ffff80003c3f0d20,ffff80003be055e0,ffff80003be05530) at sys_write+0xa2 sys/kern/sys_generic.c:300
syscall(ffff80003be055e0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80003be055e0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:791
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7d1f553c9c60, count: -9
ddb{0}> machine ddbcpu 1
Stopped at x86_ipi_db+0x27: addq $0x8,%rsp
x86_ipi_db(ffff80002999dff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394
x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27
__mp_lock(ffffffff83a64e40) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline]
__mp_lock(ffffffff83a64e40) at __mp_lock+0x192 sys/kern/kern_lock.c:173
reaper(ffff800045ffdc90) at reaper+0x211 sys/kern/kern_exit.c:507
end trace frame: 0x0, count: 10
ddb{1}> trace
x86_ipi_db(ffff80002999dff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394
x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27
__mp_lock(ffffffff83a64e40) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline]
__mp_lock(ffffffff83a64e40) at __mp_lock+0x192 sys/kern/kern_lock.c:173
reaper(ffff800045ffdc90) at reaper+0x211 sys/kern/kern_exit.c:507
end trace frame: 0x0, count: -5