login: uvm_fault(0xffffffff82e3e390, 0x17, 0, 2) -> e
kernel: page fault trap, code=2
Stopped at rt_timer_timer+0x4f: movq %rax,0x18(%r15)
TID PID UID PRFLAGS PFLAGS CPU COMMAND
*388781 80422 0 0x14000 0x40000200 0 softclock
rt_timer_timer(fffffd80717f7e58) at rt_timer_timer+0x4f sys/net/route.c:1657
timeout_run(fffffd80717f7e78) at timeout_run+0x8f sys/kern/kern_timeout.c:666
softclock_thread(ffff80002a57d7e8) at softclock_thread+0xc4 sys/kern/kern_timeout.c:814
end trace frame: 0x0, count: 12
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> show registers
rdi 0x1
rsi 0x9
rbp 0xffff80002a589b90
rbx 0
rdx 0
rcx 0xffffffff82e3f080 timeout_proc
rax 0xffffffffffffffff
r8 0
r9 0
r10 0
r11 0xb6d0f5b1546872f8
r12 0xffffffff82dbbd08 ip_mtudisc_timeout_q
r13 0xffffffff82c69ff0 cpu_info_full_primary+0x1ff0
r14 0xfffffd80717f7e58
r15 0xffffffffffffffff
rip 0xffffffff81803a4f rt_timer_timer+0x4f
cs 0x8
rflags 0x10246 __ALIGN_SIZE+0xf246
rsp 0xffff80002a589b60
ss 0x10
rt_timer_timer+0x4f: movq %rax,0x18(%r15)
ddb> show proc
PROC (softclock) tid=388781 pid=80422 tcnt=1 stat=onproc
flags process=14000<NOZOMBIE,SYSTEM> proc=40000200<SYSTEM,CPUPEG>
runpri=0, usrpri=50, slppri=0, nice=20
wchan=0x0, wmesg=, ps_single=0x0
forw=0xffffffffffffffff, list=0xffff80002a57da90,0xffff80002a57d550
process=0xffff8000ffffe9e0 user=0xffff80002a584000, vmspace=0xffffffff82e3e390
estcpu=0, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0
ddb> ps
PID TID PPID UID S FLAGS WAIT COMMAND
78917 122008 1 0 3 0x80 fsleep syz-executor.3
78917 373663 1 0 3 0x4000080 netio syz-executor.3
78917 129650 1 0 3 0x4000000 inode syz-executor.3
7258 79337 55951 0 3 0x82 piperd syz-executor.6
33111 458059 55951 0 3 0x82 piperd syz-executor.7
87681 477621 55951 0 3 0x82 piperd syz-executor.4
22790 498644 55951 0 3 0x82 piperd syz-executor.2
38898 464873 55951 0 3 0x82 piperd syz-executor.1
44471 405685 55951 0 3 0x82 piperd syz-executor.5
24570 248630 55951 0 3 0x82 piperd syz-executor.0
76712 290810 0 0 3 0x14280 nfsidl nfsio
25141 436695 0 0 3 0x14280 nfsidl nfsio
12852 438487 0 0 3 0x14280 nfsidl nfsio
88680 32985 0 0 3 0x14280 nfsidl nfsio
98840 232940 0 0 3 0x14280 nfsidl nfsio
5642 229201 0 0 3 0x14280 nfsidl nfsio
91879 177670 0 0 3 0x14280 nfsidl nfsio
63727 123111 0 0 3 0x14280 nfsidl nfsio
99153 75479 0 0 3 0x14280 nfsidl nfsio
48212 100146 0 0 3 0x14280 nfsidl nfsio
94384 195927 0 0 3 0x14280 nfsidl nfsio
83700 221523 0 0 3 0x14280 nfsidl nfsio
71095 518511 0 0 3 0x14280 nfsidl nfsio
24716 257766 0 0 3 0x14280 nfsidl nfsio
51926 96204 0 0 3 0x14280 nfsidl nfsio
91311 444068 0 0 3 0x14280 nfsidl nfsio
65350 88552 0 0 3 0x14280 nfsidl nfsio
82302 243981 0 0 3 0x14280 nfsidl nfsio
74475 22812 0 0 3 0x14280 nfsidl nfsio
13006 763 0 0 3 0x14280 nfsidl nfsio
34983 385172 0 0 3 0x14200 acct acct
13346 390211 1 0 3 0x83 ttyin login
9460 76961 0 0 3 0x14200 bored sosplice
55951 228736 59346 0 3 0x2000082 wait syz-fuzzer
55951 415132 59346 0 3 0x6000082 thrsleep syz-fuzzer
55951 189297 59346 0 3 0x6000002 inode syz-fuzzer
55951 211200 59346 0 3 0x6000082 thrsleep syz-fuzzer
55951 288697 59346 0 3 0x6000082 wait syz-fuzzer
55951 298428 59346 0 3 0x6000082 wait syz-fuzzer
55951 127587 59346 0 3 0x6000082 thrsleep syz-fuzzer
55951 83884 59346 0 3 0x6000082 thrsleep syz-fuzzer
55951 410708 59346 0 3 0x6000082 kqread syz-fuzzer
55951 367412 59346 0 3 0x6000082 thrsleep syz-fuzzer
55951 388327 59346 0 3 0x6000082 wait syz-fuzzer
55951 75170 59346 0 3 0x6000082 wait syz-fuzzer
55951 244169 59346 0 3 0x6000082 wait syz-fuzzer
55951 24168 59346 0 3 0x6000082 wait syz-fuzzer
59346 187482 15273 0 3 0x10008a sigsusp ksh
15273 280720 43290 0 3 0x9a kqread sshd
43290 113416 1 0 3 0x88 kqread sshd
94668 421107 93994 73 3 0x1100090 kqread syslogd
93994 74786 1 0 3 0x100082 netio syslogd
26951 172109 1 0 3 0x100080 kqread resolvd
10237 341305 71937 77 3 0x100092 kqread dhcpleased
240 339879 71937 77 3 0x100092 kqread dhcpleased
71937 58658 1 0 3 0x80 kqread dhcpleased
56845 464254 0 0 3 0x14200 bored smr
40823 325460 0 0 3 0x14200 pgzero zerothread
73863 328086 0 0 3 0x14200 aiodoned aiodoned
58321 390002 0 0 3 0x14200 syncer update
77682 70482 0 0 3 0x14200 cleaner cleaner
92546 177687 0 0 3 0x14200 reaper reaper
74810 97582 0 0 3 0x14200 pgdaemon pagedaemon
65029 337770 0 0 3 0x14200 bored viomb
17266 155388 0 0 3 0x40014200 acpi0 acpi0
85272 292080 0 0 3 0x14200 bored softnet3
74964 241816 0 0 3 0x14200 bored softnet2
7385 230385 0 0 3 0x14200 bored softnet1
64056 512798 0 0 3 0x14200 bored softnet0
94117 337268 0 0 3 0x14200 bored systqmp
37942 409520 0 0 3 0x14200 bored systq
*80422 388781 0 0 7 0x40014200 softclock
79841 82037 0 0 3 0x40014200 idle0
1 259765 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 10177 6407K 14598K 166960K 23759 0
pcb 15 20K 25K 166960K 776 0
rtable 232 15K 15K 166960K 2468 0
pf 31 9K 9K 166960K 264 0
ifaddr 43 12K 12K 166960K 301 0
ifgroup 54 2K 2K 166960K 437 0
sysctl 3 0K 1K 166960K 8 0
counters 31 17K 17K 166960K 134 0
ioctlops 0 0K 2K 166960K 386 0
iov 0 0K 32K 166960K 846 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1498 94K 94K 166960K 5350 0
UFS quota 1 32K 32K 166960K 1 0
UFS mount 5 36K 36K 166960K 5 0
shm 2 1K 9K 166960K 103 0
VM map 2 1K 1K 166960K 2 0
sem 12 1K 1K 166960K 423 0
dirhash 12 2K 2K 166960K 36 0
ACPI 1697 195K 286K 166960K 12548 0
file desc 10 33K 77K 166960K 9552 0
sigio 0 0K 0K 166960K 127 0
proc 51 50K 92K 166960K 2035 0
subproc 104 6K 8K 166960K 802 0
NFS srvsock 1 0K 0K 166960K 1 0
NFS daemon 1 16K 16K 166960K 1 0
ip_moptions 0 0K 0K 166960K 534 0
in_multi 95 7K 7K 166960K 690 0
ether_multi 1 0K 0K 166960K 4 0
mrt 1 0K 0K 166960K 6 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 1663 0
pfkey data 0 0K 0K 166960K 6 0
tdb 3 0K 0K 166960K 3 0
VM swap 8 62K 64K 166960K 10 0
UVM amap 379 299K 301K 166960K 87461 0
UVM aobj 131 4K 4K 166960K 131 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
ip6_options 0 0K 1K 166960K 387 0
NDP 12 0K 2K 166960K 229 0
temp 75 6764K 7060K 166960K 76199 0
kqueue 12 18K 26K 166960K 533 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 120 471 0 468 3 0 3 3 0 8 2
rtentry 112 725 0 619 4 0 4 4 0 8 0
unpcb 144 6244 0 6229 10 1 9 10 0 8 8
syncache 336 99 0 99 1 0 1 1 0 8 1
sackhl 24 1 0 1 1 0 1 1 0 8 1
tcpqe 32 375 0 375 1 0 1 1 0 8 1
tcpcb 808 2694 0 2686 16 6 10 13 0 8 8
arp 88 130 0 112 1 0 1 1 0 8 0
ipq 40 9 0 9 1 0 1 1 0 8 1
ipqe 40 143 0 143 1 0 1 1 0 8 1
inpcb 360 6612 0 6600 22 12 10 16 0 8 8
nd6 104 171 0 149 1 0 1 1 0 8 0
pkpcb 40 79 0 79 1 0 1 1 0 8 1
kcovpl 48 56 0 48 1 0 1 1 0 8 0
ppxss 1072 28 0 28 1 0 1 1 0 8 1
rttmr 136 1 0 1 1 0 1 1 0 8 1
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 2759 0 2317 60 30 30 30 0 8 2
art_table 32 2760 0 2317 4 0 4 4 0 8 0
art_node 16 705 0 609 1 0 1 1 0 8 0
sysvmsgpl 40 74 0 68 1 0 1 1 0 8 0
semupl 112 2 0 2 1 0 1 1 0 8 1
semapl 112 418 0 408 1 0 1 1 0 8 0
shmpl 112 128 0 0 4 0 4 4 0 8 0
dirhash 1024 33 0 16 3 0 3 3 0 8 0
dino2pl 256 13119 0 11637 93 0 93 93 0 8 0
ffsino 240 13119 0 11637 88 0 88 88 0 8 0
nchpl 144 25293 0 23659 63 0 63 63 0 8 0
uvmvnodes 80 5926 0 0 121 0 121 121 0 8 0
vnodes 216 5926 0 0 330 0 330 330 0 8 0
namei 1024 81288 0 81285 3 0 3 3 0 8 2
vcpupl 2048 33 0 0 5 0 5 5 0 8 0
vmpool 664 36 0 3 3 0 3 3 0 8 0
kstatmem 264 230 0 206 2 0 2 2 0 8 0
scxspl 216 88055 0 88055 8 0 8 8 1 8 8
plimitpl 152 789 0 774 1 0 1 1 0 8 0
sigapl 424 9900 0 9841 8 0 8 8 0 8 0
futexpl 64 104981 0 104980 1 0 1 1 0 8 0
knotepl 120 105072 0 104992 11 0 11 11 0 8 8
kqueuepl 184 1424 0 1416 4 0 4 4 0 8 3
pipepl 288 1423 0 1395 7 0 7 7 0 8 5
fdescpl 432 9722 0 9701 4 0 4 4 0 8 0
filepl 120 47820 0 47584 20 7 13 17 0 8 5
lockfpl 104 2100 0 2098 2 0 2 2 0 8 1
lockfspl 48 819 0 817 1 0 1 1 0 8 0
sessionpl 144 72 0 56 1 0 1 1 0 8 0
pgrppl 48 154 0 138 1 0 1 1 0 8 0
ucredpl 104 6660 0 6644 1 0 1 1 0 8 0
zombiepl 144 9841 0 9841 1 0 1 1 0 8 1
processpl 1072 9900 0 9841 5 0 5 5 0 8 0
procpl 680 23221 0 23147 10 0 10 10 0 8 2
sosppl 168 54 0 54 1 0 1 1 0 8 1
sockpl 488 13480 0 13450 226 213 13 36 0 8 8
mcl64k 65536 304 0 304 1 0 1 1 0 8 1
mcl16k 16384 215 0 215 1 0 1 1 0 8 1
mcl12k 12288 260 0 260 1 0 1 1 0 8 1
mcl9k 9216 147 0 147 1 0 1 1 0 8 1
mcl8k 8192 718 0 718 1 0 1 1 0 8 1
mcl4k 4096 2250 0 2250 1 0 1 1 0 8 1
mcl2k2 2112 57 0 57 1 0 1 1 0 8 1
mcl2k 2048 87552 0 87496 28 13 15 20 0 8 7
mtagpl 96 1505 0 1315 7 0 7 7 0 8 2
mbufpl 256 209699 0 209318 90 58 32 56 0 8 5
bufpl 280 20757 0 14368 457 0 457 457 0 8 0
anonpl 24 928536 0 916110 156 0 156 156 0 188 51
amapchunkpl 152 284642 0 283924 65 0 65 65 0 158 28
amappl16 200 14619 0 14152 50 15 35 39 0 8 8
amappl15 192 73 0 72 1 0 1 1 0 8 0
amappl14 184 295 0 283 2 0 2 2 0 8 1
amappl13 176 15 0 14 1 0 1 1 0 8 0
amappl12 168 11068 0 11044 2 0 2 2 0 8 0
amappl11 160 64 0 54 1 0 1 1 0 8 0
amappl10 152 86 0 74 1 0 1 1 0 8 0
amappl9 144 94 0 94 1 0 1 1 0 8 1
amappl8 136 482 0 389 4 0 4 4 0 8 0
amappl7 128 279 0 254 2 0 2 2 0 8 0
amappl6 120 977 0 963 1 0 1 1 0 8 0
amappl5 112 218 0 210 1 0 1 1 0 8 0
amappl4 104 789 0 765 2 0 2 2 0 8 1
amappl3 96 55038 0 54979 3 0 3 3 0 8 0
amappl2 88 10781 0 10713 3 0 3 3 0 8 1
amappl1 80 46856 0 46360 22 2 20 22 0 8 8
amappl 88 86414 0 86202 7 0 7 7 0 92 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 72 130 0 0 3 0 3 3 0 8 0
uaddrrnd 24 9758 0 9704 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 9758 0 9704 1 0 1 1 0 8 0
vmmpekpl 168 71669 0 71605 4 0 4 4 0 8 0
vmmpepl 168 592620 0 590573 134 0 134 134 0 357 17
vmsppl 352 9757 0 9704 6 0 6 6 0 8 0
rwobjpl 24 138307 0 130759 48 0 48 48 0 8 0
pdppl 4096 19522 0 19441 548 459 89 97 0 8 8
pvpl 32 2740988 0 2723226 332 0 332 332 0 265 142
pmappl 216 9757 0 9704 4 0 4 4 0 8 0
extentpl 40 56 0 38 1 0 1 1 0 8 0
phpool 112 960 0 566 13 0 13 13 0 8 0
ddb> machine ddbcpu 0
No such command
ddb> trace
rt_timer_timer(fffffd80717f7e58) at rt_timer_timer+0x4f sys/net/route.c:1657
timeout_run(fffffd80717f7e78) at timeout_run+0x8f sys/kern/kern_timeout.c:666
softclock_thread(ffff80002a57d7e8) at softclock_thread+0xc4 sys/kern/kern_timeout.c:814
end trace frame: 0x0, count: -3
ddb> machine ddbcpu 1
No such command
ddb> trace
rt_timer_timer(fffffd80717f7e58) at rt_timer_timer+0x4f sys/net/route.c:1657
timeout_run(fffffd80717f7e78) at timeout_run+0x8f sys/kern/kern_timeout.c:666
softclock_thread(ffff80002a57d7e8) at softclock_thread+0xc4 sys/kern/kern_timeout.c:814
end trace frame: 0x0, count: -3