uvm_fault(0xffffffff83a9dc38, 0x4000009, 0, 1) -> e
kernel: page fault trap, code=0
Stopped at rtable_walk+0xd3: movq 0(%rax,%rcx,8),%r15
TID PID UID PRFLAGS PFLAGS CPU COMMAND
*439141 94494 0 0x14000 0x200 0 softnet0
rtable_walk(0,2,ffff80002a70bc50,ffffffff8321bad0,ffff8000015e4800) at rtable_walk+0xd3 rtable_get sys/net/rtable.c:260 [inline]
rtable_walk(0,2,ffff80002a70bc50,ffffffff8321bad0,ffff8000015e4800) at rtable_walk+0xd3 sys/net/rtable.c:734
rt_if_track(ffff8000015e4800) at rt_if_track+0x12b sys/net/route.c:1898
if_linkstate_task(19) at if_linkstate_task+0x209 if_linkstate sys/net/if.c:1892 [inline]
if_linkstate_task(19) at if_linkstate_task+0x209 sys/net/if.c:1875
taskq_thread(ffff80000002c000) at taskq_thread+0xe4 sys/kern/kern_task.c:446
end trace frame: 0x0, count: 11
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(0xffffffff83a9dc38, 0x4000009, 0, 1) -> e
ddb> show kasan
No such command
ddb> trace
rtable_walk(0,2,ffff80002a70bc50,ffffffff8321bad0,ffff8000015e4800) at rtable_walk+0xd3 rtable_get sys/net/rtable.c:260 [inline]
rtable_walk(0,2,ffff80002a70bc50,ffffffff8321bad0,ffff8000015e4800) at rtable_walk+0xd3 sys/net/rtable.c:734
rt_if_track(ffff8000015e4800) at rt_if_track+0x12b sys/net/route.c:1898
if_linkstate_task(19) at if_linkstate_task+0x209 if_linkstate sys/net/if.c:1892 [inline]
if_linkstate_task(19) at if_linkstate_task+0x209 sys/net/if.c:1875
taskq_thread(ffff80000002c000) at taskq_thread+0xe4 sys/kern/kern_task.c:446
end trace frame: 0x0, count: -4
ddb> show registers
rdi 0x6
rsi 0
rbp 0xffff80002a70bc30
rbx 0
rdx 0xffff8000017972c0
rcx 0
rax 0x4000009 __kernel_phys_end+0x400009
r8 0xffff8000015e4800
r9 0
r10 0x3e529839b5aab4e0
r11 0xef88c9f1899c01cc
r12 0xffff80002a70bc50
r13 0xffffffff8321bad0 rt_if_linkstate_change
r14 0x6
r15 0xffff800000c55670
rip 0xffffffff829c81e3 rtable_walk+0xd3
cs 0x8
rflags 0x10206 __ALIGN_SIZE+0xf206
rsp 0xffff80002a70bba0
ss 0x10
rtable_walk+0xd3: movq 0(%rax,%rcx,8),%r15
ddb> show proc
PROC (softnet0) tid=439141 pid=94494 tcnt=1 stat=onproc
flags process=14000<NOZOMBIE,SYSTEM> proc=200<SYSTEM>
runpri=32, usrpri=51, slppri=32, nice=20
wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0
forw=0xffffffffffffffff, list=0xffff80002a6ec530,0xffff80002a6eca70
process=0xffff800045ffc900 user=0xffff80002a706000, vmspace=0xffffffff83a9dc38
estcpu=1, cpticks=4, pctcpu=0.1, user=0, sys=0, intr=0
ddb> ps
PID TID PPID UID S PRLAGS PFLAGS WAIT COMMAND
36951 377903 34533 0 2 0x100002 0 sh
73192 94940 36068 0 2 0 0 syz-executor
73192 110389 36068 0 2 0 0x4000000 syz-executor
73192 444598 36068 0 3 0 0x4000080 fsleep syz-executor
66967 408760 76126 0 2 0 0 syz-executor
66967 15844 76126 0 3 0 0x4000080 fsleep syz-executor
76177 490155 80495 -1 2 0x10 0 syz-executor
76177 24552 80495 -1 3 0x10 0x4000080 nanoslp syz-executor
76177 101880 80495 -1 3 0x10 0x4000080 fsleep syz-executor
96281 190264 81904 0 2 0 0 syz-executor
96281 379981 81904 0 2 0 0x4000000 syz-executor
60745 151752 40454 0 2 0 0 syz-executor
60745 253908 40454 0 3 0 0x4000080 fsleep syz-executor
60745 406917 40454 0 3 0 0x4000080 fsleep syz-executor
80495 167365 39864 0 2 0x2 0xc80 syz-executor
34533 229953 39864 0 3 0x2 0x80 wait syz-executor
17453 490093 39864 0 2 0x2 0 syz-executor
76126 474938 39864 0 2 0x2 0xc80 syz-executor
40454 372738 39864 0 2 0x2 0xc80 syz-executor
17472 196315 39864 0 2 0x2 0 syz-executor
36068 382135 39864 0 3 0x2 0x80 nanoslp syz-executor
81904 95660 39864 0 2 0x2 0xc80 syz-executor
39864 455949 37301 0 3 0x2 0x80 kqread syz-executor
37301 83568 95822 0 3 0x100002 0x88 sigsusp ksh
95822 216004 83049 0 3 0x10 0x88 kqread sshd-session
83049 181099 40416 0 3 0x12 0x80 kqread sshd-session
40416 115466 1 0 3 0 0x88 kqread sshd
20635 115754 8164 73 3 0x1100010 0x80 kqread syslogd
8164 504060 1 0 3 0x100002 0x80 sbwait syslogd
5329 478460 1 0 3 0x100000 0x80 kqread resolvd
68519 470603 34408 77 2 0x100012 0x80 dhcpleased
1347 13601 34408 77 3 0x100012 0x80 kqread dhcpleased
34408 416727 1 0 3 0 0x80 kqread dhcpleased
50156 247898 0 0 3 0x14000 0x200 bored smr
56809 50679 0 0 2 0x14000 0x200 zerothread
49391 271426 0 0 3 0x14000 0x200 aiodoned aiodoned
34734 223857 0 0 3 0x14000 0x200 syncer update
75747 98977 0 0 3 0x14000 0x200 cleaner cleaner
98694 114343 0 0 3 0x14000 0x200 reaper reaper
16753 502970 0 0 3 0x14000 0x200 pgdaemon pagedaemon
72327 443141 0 0 3 0x14000 0x200 bored viomb
14761 355510 0 0 3 0x14000 0x40000200 acpi0 acpi0
*94494 439141 0 0 7 0x14000 0x200 softnet0
99444 501459 0 0 3 0x14000 0x200 bored systqmp
33157 65684 0 0 3 0x14000 0x200 bored systq
58861 94634 0 0 3 0x14000 0x40000200 tmoslp softclock
24387 513992 0 0 3 0x14000 0x40000200 idle0
1 419411 0 0 3 0x2 0 biowait 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 11058 12107K 13240K 166960K 12683 0
pcb 17 12K 12K 166960K 47 0
rtable 212 6K 10K 166960K 775 0
pf 31 13K 652K 166960K 80 0
ifaddr 37 6K 7K 166960K 98 0
ifgroup 50 2K 2K 166960K 109 0
sysctl 2 1K 9K 166960K 6 0
counters 33 17K 17K 166960K 47 0
ioctlops 0 0K 4K 166960K 149 0
iov 0 0K 16K 166960K 70 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1359 86K 86K 166960K 1716 0
UFS quota 1 32K 32K 166960K 1 0
UFS mount 5 36K 36K 166960K 5 0
shm 2 1K 5K 166960K 3 0
VM map 2 1K 1K 166960K 2 0
sem 14 0K 1K 166960K 15 0
dirhash 12 2K 2K 166960K 15 0
ACPI 1692 195K 286K 166960K 12470 0
file desc 16 57K 93K 166960K 514 0
sigio 0 0K 0K 166960K 1 0
proc 51 50K 116K 166960K 868 0
subproc 72 4K 4K 166960K 198 0
NFS srvsock 1 0K 0K 166960K 1 0
NFS daemon 1 16K 16K 166960K 1 0
ip_moptions 0 0K 0K 166960K 150 0
in_multi 78 5K 6K 166960K 239 0
ether_multi 1 0K 0K 166960K 1 0
mrt 0 0K 0K 166960K 8 0
ISOFS mount 1 32K 32K 166960K 1 0
MSDOSFS mount 1 16K 16K 166960K 1 0
ttys 223 996K 996K 166960K 223 0
exec 0 0K 1K 166960K 555 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 204 147K 167K 166960K 5690 0
UVM aobj 12 2K 2K 166960K 14 0
pinsyscall 35 70K 94K 166960K 1959 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
ip6_options 0 0K 0K 166960K 2 0
NDP 15 0K 1K 166960K 65 0
temp 39 9107K 9170K 166960K 5800 0
kqueue 13 20K 29K 166960K 76 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 120 102 0 99 1 0 1 1 0 8 0
rtentry 136 254 0 160 4 0 4 4 0 8 0
unpcb 144 192 0 177 3 2 1 3 0 8 0
syncache 336 7 0 7 2 1 1 1 0 8 1
tcpcb 736 86 0 82 4 3 1 4 0 8 0
arp 96 44 0 28 1 0 1 1 0 8 0
ipq 40 1 0 0 1 0 1 1 0 8 0
ipqe 40 2 0 1 1 0 1 1 0 8 0
inpcb 328 274 0 266 4 2 2 4 0 8 1
nd6 112 65 0 46 1 0 1 1 0 8 0
kcovpl 48 22 0 14 1 0 1 1 0 8 0
pfrktable 1344 7 0 7 1 1 0 1 0 8 0
pfanchor 1288 2 0 2 1 1 0 1 0 8 0
pfstitem 24 1 0 0 1 0 1 1 0 8 0
pfstkey 128 1 0 0 1 0 1 1 0 8 0
pfstate 384 1 0 0 1 0 1 1 0 8 0
pfrule 1360 9 0 9 2 1 1 1 0 8 1
art_heap8 4096 2 0 0 2 0 2 2 0 8 0
art_heap4 256 1019 0 646 32 1 31 32 0 8 7
art_table 40 1021 0 646 6 0 6 6 0 8 0
art_node 32 254 0 168 1 0 1 1 0 8 0
sysvmsgpl 40 3 0 1 1 0 1 1 0 8 0
semapl 72 12 0 0 1 0 1 1 0 8 0
shmpl 120 11 0 2 1 0 1 1 0 8 0
dirhash 1024 19 0 2 3 0 3 3 0 8 0
dino2pl 256 1926 0 436 94 0 94 94 0 8 0
ffsino 256 1926 0 436 94 0 94 94 0 8 0
nchpl 144 2383 0 626 66 0 66 66 0 8 0
vnodes 216 2298 0 0 128 0 128 128 0 8 0
namei 1024 10339 0 10338 4 3 1 3 0 8 0
pfiaddrpl 120 2 0 2 1 1 0 1 0 8 0
kstatmem 264 51 0 28 2 0 2 2 0 8 0
scsiplug 72 1 0 1 1 1 0 1 0 8 0
scxspl 216 10691 0 10690 10 2 8 8 1 8 7
plimitpl 152 137 0 121 1 0 1 1 0 8 0
sigapl 424 784 0 744 7 1 6 6 0 8 0
knotepl 120 9104 0 9057 18 8 10 10 0 8 8
kqueuepl 184 88 0 79 1 0 1 1 0 8 0
pipepl 304 183 0 156 3 0 3 3 0 8 0
fdescpl 448 771 0 744 5 1 4 5 0 8 0
filepl 120 3570 0 3362 11 2 9 10 0 8 2
lockfpl 104 83 0 79 1 0 1 1 0 8 0
lockfspl 48 38 0 34 1 0 1 1 0 8 0
sessionpl 144 44 0 37 1 0 1 1 0 8 0
pgrppl 48 68 0 53 1 0 1 1 0 8 0
ucredpl 104 412 0 400 1 0 1 1 0 8 0
zombiepl 144 744 0 744 1 0 1 1 0 8 1
processpl 1152 784 0 744 4 0 4 4 0 8 0
procpl 664 1106 0 1058 7 2 5 6 0 8 0
sockpl 552 639 0 613 7 4 3 7 0 8 1
mcl64k 65536 6 0 6 2 1 1 1 0 8 1
mcl16k 16384 1 0 1 1 0 1 1 0 8 1
mcl8k 8192 8 0 8 1 1 0 1 0 8 0
mcl4k 4096 2752 0 2699 16 7 9 15 0 8 0
mcl2k 2048 508 0 506 5 4 1 4 0 8 0
mextrefs 64 162 0 160 2 1 1 1 0 8 0
mtagpl 96 4 0 4 1 1 0 1 0 8 0
mbufpl 256 7304 0 7168 17 5 12 17 0 8 0
bufpl 272 3913 0 102 255 0 255 255 0 8 0
anonpl 24 107409 0 104474 42 12 30 42 0 187 3
amapchunkpl 152 16090 0 15665 27 3 24 24 0 158 7
amappl16 200 1491 0 1474 14 11 3 14 0 8 0
amappl15 192 54 0 54 1 1 0 1 0 8 0
amappl14 184 570 0 567 1 0 1 1 0 8 0
amappl13 176 140 0 131 1 0 1 1 0 8 0
amappl12 168 1086 0 1060 2 0 2 2 0 8 0
amappl11 160 54 0 53 1 0 1 1 0 8 0
amappl10 152 60 0 50 1 0 1 1 0 8 0
amappl9 144 276 0 276 1 1 0 1 0 8 0
amappl8 136 151 0 150 1 0 1 1 0 8 0
amappl7 128 165 0 154 1 0 1 1 0 8 0
amappl6 120 279 0 277 1 0 1 1 0 8 0
amappl5 112 90 0 83 1 0 1 1 0 8 0
amappl4 104 295 0 280 1 0 1 1 0 8 0
amappl3 96 2984 0 2901 3 0 3 3 0 8 0
amappl2 88 837 0 770 2 0 2 2 0 8 0
amappl1 80 12512 0 11996 13 1 12 13 0 8 0
amappl 88 4758 0 4613 5 1 4 5 0 92 0
uvmvnodes 80 99 0 0 3 0 3 3 0 8 0
dma4096 4096 1 0 1 1 1 0 1 0 8 0
dma2048 2048 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 6 0 6 1 1 0 1 0 8 0
dma32 32 7 0 7 1 1 0 1 0 8 0
dma16 16 19 0 18 1 0 1 1 0 8 0
aobjpl 72 13 0 2 1 0 1 1 0 8 0
uaddrrnd 24 771 0 744 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 771 0 744 1 0 1 1 0 8 0
vmmpekpl 168 7875 0 7836 2 0 2 2 0 8 0
vmmpepl 168 57488 0 55867 87 7 80 87 0 357 1
vmsppl 368 770 0 744 4 1 3 4 0 8 0
rwobjpl 40 18565 0 17666 12 0 12 12 0 8 1
pdppl 4096 1548 0 1488 124 54 70 80 0 8 10
pvpl 32 315981 0 306999 100 10 90 100 0 265 7
pmappl 216 770 0 744 3 1 2 3 0 8 0
extentpl 40 45 0 27 1 0 1 1 0 8 0
phpool 112 671 0 86 17 0 17 17 0 8 0
ddb> machine ddbcpu 0
No such command
ddb> trace
rtable_walk(0,2,ffff80002a70bc50,ffffffff8321bad0,ffff8000015e4800) at rtable_walk+0xd3 rtable_get sys/net/rtable.c:260 [inline]
rtable_walk(0,2,ffff80002a70bc50,ffffffff8321bad0,ffff8000015e4800) at rtable_walk+0xd3 sys/net/rtable.c:734
rt_if_track(ffff8000015e4800) at rt_if_track+0x12b sys/net/route.c:1898
if_linkstate_task(19) at if_linkstate_task+0x209 if_linkstate sys/net/if.c:1892 [inline]
if_linkstate_task(19) at if_linkstate_task+0x209 sys/net/if.c:1875
taskq_thread(ffff80000002c000) at taskq_thread+0xe4 sys/kern/kern_task.c:446
end trace frame: 0x0, count: -4
ddb> machine ddbcpu 1
No such command
ddb> trace
rtable_walk(0,2,ffff80002a70bc50,ffffffff8321bad0,ffff8000015e4800) at rtable_walk+0xd3 rtable_get sys/net/rtable.c:260 [inline]
rtable_walk(0,2,ffff80002a70bc50,ffffffff8321bad0,ffff8000015e4800) at rtable_walk+0xd3 sys/net/rtable.c:734
rt_if_track(ffff8000015e4800) at rt_if_track+0x12b sys/net/route.c:1898
if_linkstate_task(19) at if_linkstate_task+0x209 if_linkstate sys/net/if.c:1892 [inline]
if_linkstate_task(19) at if_linkstate_task+0x209 sys/net/if.c:1875
taskq_thread(ffff80000002c000) at taskq_thread+0xe4 sys/kern/kern_task.c:446
end trace frame: 0x0, count: -4