uvm_fault(0xffffffff839a2100, 0x4b, 0, 1) -> e
kernel: page fault trap, code=0
Stopped at uvm_aio_aiodone+0x223: movl 0x48(%rax),%r12d
TID PID UID PRFLAGS PFLAGS CPU COMMAND
*484514 52323 0 0x14000 0x200 0 aiodoned
uvm_aio_aiodone(fffffd806fbf17c0) at uvm_aio_aiodone+0x223 sys/uvm/uvm_pager.c:718
uvm_aiodone_daemon(ffff80002a777c90) at uvm_aiodone_daemon+0x212 sys/uvm/uvm_pdaemon.c:358
end trace frame: 0x0, count: 13
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(0xffffffff839a2100, 0x4b, 0, 1) -> e
ddb> trace
uvm_aio_aiodone(fffffd806fbf17c0) at uvm_aio_aiodone+0x223 sys/uvm/uvm_pager.c:718
uvm_aiodone_daemon(ffff80002a777c90) at uvm_aiodone_daemon+0x212 sys/uvm/uvm_pdaemon.c:358
end trace frame: 0x0, count: -2
ddb> show registers
rdi 0
rsi 0
rbp 0xffff80002a7753e0
rbx 0
rdx 0
rcx 0x1
rax 0x3
r8 0xffff80002a73909a
r9 0
r10 0x7b7c34978c11e80a
r11 0xc6df3b4b56392446
r12 0x3
r13 0xffff800011036000
r14 0xfffffd806fbf17c0
r15 0
rip 0xffffffff81cd7313 uvm_aio_aiodone+0x223
cs 0x8
rflags 0x10246 __ALIGN_SIZE+0xf246
rsp 0xffff80002a775310
ss 0x10
uvm_aio_aiodone+0x223: movl 0x48(%rax),%r12d
ddb> show proc
PROC (aiodoned) tid=484514 pid=52323 tcnt=1 stat=onproc
flags process=14000<NOZOMBIE,SYSTEM> proc=200<SYSTEM>
runpri=4, usrpri=51, slppri=4, nice=20
wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0
forw=0xffffffffffffffff, list=0xffff80002a72dc88,0xffff80002a777770
process=0xffff8000ffffd200 user=0xffff80002a770000, vmspace=0xffffffff839a2100
estcpu=1, cpticks=7, pctcpu=0.1, user=0, sys=0, intr=0
ddb> ps
PID TID PPID UID S FLAGS WAIT COMMAND
94969 149859 65039 0 2 0 syz-executor
56788 28164 71148 0 2 0 syz-executor
56788 225621 71148 0 3 0x4000080 fsleep syz-executor
40725 393085 17125 0 2 0x2 syz-executor
60500 318153 17125 0 2 0x2 syz-executor
68013 371673 17125 0 2 0x2 syz-executor
65039 351553 17125 0 2 0x2 syz-executor
71148 35770 17125 0 2 0xc82 syz-executor
71288 218533 3249 0 3 0x3000 suspend syz-executor
71288 376391 3249 0 3 0x4081000 pfioctl_rw syz-executor
5470 195320 89859 0 3 0x3000 suspend syz-executor
5470 117123 89859 0 3 0x4081000 pfioctl_rw syz-executor
59299 132112 1 0 3 0x3000 suspend syz-executor
59299 493552 1 0 3 0x4081000 pfioctl_rw syz-executor
59299 519332 1 0 3 0x4081000 pfioctl_rw syz-executor
19035 215900 1 0 3 0x3000 suspend syz-executor
19035 495448 1 0 3 0x4081000 pfioctl_rw syz-executor
19035 43588 1 0 3 0x4081000 pfioctl_rw syz-executor
26273 351140 1 0 3 0x3000 suspend syz-executor
26273 423939 1 0 2 0x4081000 syz-executor
26273 301977 1 0 3 0x4081000 pfioctl_rw syz-executor
3249 219781 17125 0 3 0x82 wait syz-executor
76934 344513 1 0 3 0x100083 ttyin getty
89859 285278 17125 0 3 0x82 wait syz-executor
93384 29138 17125 0 2 0x2 syz-executor
17125 75905 9369 0 2 0x2 syz-executor
9369 184918 39836 0 3 0x10008a sigsusp ksh
39836 425414 59423 0 3 0x98 kqread sshd-session
59423 148182 7306 0 3 0x92 kqread sshd-session
7306 9758 1 0 3 0x88 kqread sshd
68690 202283 34155 73 3 0x1100090 kqread syslogd
34155 363342 1 0 3 0x100082 sbwait syslogd
58503 304456 1 0 3 0x100080 kqread resolvd
61649 345198 13424 77 3 0x100092 kqread dhcpleased
87709 282981 13424 77 3 0x100092 kqread dhcpleased
13424 87862 1 0 3 0x80 kqread dhcpleased
74852 240202 0 0 3 0x14200 bored smr
82185 43299 0 0 2 0x14200 zerothread
*52323 484514 0 0 7 0x14200 aiodoned
67613 414269 0 0 3 0x14200 syncer update
57778 415770 0 0 3 0x14200 cleaner cleaner
18026 403838 0 0 3 0x14200 reaper reaper
262 420538 0 0 2 0x14200 pagedaemon
93143 41694 0 0 3 0x14200 bored viomb
34287 102894 0 0 3 0x40014200 acpi0 acpi0
89877 273086 0 0 2 0x14200 softnet0
94626 410635 0 0 3 0x14200 bored systqmp
66516 524131 0 0 3 0x14200 bored systq
13188 336200 0 0 3 0x40014200 tmoslp softclock
91926 522983 0 0 3 0x40014200 idle0
1 276446 0 0 3 0x82 wait init
0 0 -1 0 3 0x10010200 scheduler swapper
ddb> show all locks
No such command
ddb> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 11047 12111K 12474K 166960K 14776 0
pcb 17 14K 15K 166960K 341 0
rtable 123 7K 7K 166960K 684 0
pf 36 14K 16K 166960K 163 0
ifaddr 49 9K 9K 166960K 169 0
ifgroup 58 2K 2K 166960K 243 0
sysctl 4 1K 9K 166960K 24 0
counters 35 18K 18K 166960K 158 0
ioctlops 7 7K 8K 166960K 650 0
iov 0 0K 32K 166960K 172 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1468 92K 92K 166960K 2995 0
UFS quota 1 32K 32K 166960K 1 0
UFS mount 5 36K 36K 166960K 5 0
shm 2 1K 13K 166960K 9 0
VM map 2 1K 1K 166960K 2 0
sem 25 5K 5K 166960K 46 0
dirhash 12 2K 2K 166960K 15 0
ACPI 1692 195K 286K 166960K 12470 0
file desc 19 69K 240K 166960K 1849 0
sigio 0 0K 0K 166960K 73 0
proc 60 59K 124K 166960K 662 0
subproc 104 6K 6K 166960K 149 0
NFS srvsock 1 0K 0K 166960K 1 0
NFS daemon 1 16K 16K 166960K 1 0
ip_moptions 0 0K 0K 166960K 311 0
in_multi 30 2K 6K 166960K 212 0
ether_multi 1 0K 0K 166960K 17 0
mrt 2 0K 0K 166960K 9 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 555 0
fusefs mount 1 32K 32K 166960K 1 0
pfkey data 0 0K 0K 166960K 2 0
tdb 3 0K 0K 166960K 3 0
VM swap 8 62K 64K 166960K 10 0
UVM amap 248 191K 191K 166960K 16952 0
UVM aobj 63 24K 24K 166960K 79 0
pinsyscall 40 80K 98K 166960K 3037 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
ip6_options 0 0K 0K 166960K 110 0
NDP 15 0K 1K 166960K 85 0
temp 86 8739K 8801K 166960K 28635 0
kqueue 13 20K 29K 166960K 269 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 120 139 0 136 2 0 2 2 0 8 1
rtentry 136 200 0 165 4 0 4 4 0 8 1
unpcb 144 775 0 758 2 0 2 2 0 8 1
syncache 336 15 0 15 1 0 1 1 0 8 1
tcpqe 32 3 0 3 1 0 1 1 0 8 1
tcpcb 736 483 0 476 4 0 4 4 0 8 3
arp 96 30 0 24 1 0 1 1 0 8 0
ipq 40 2 0 1 1 0 1 1 0 8 0
ipqe 40 3 0 2 1 0 1 1 0 8 0
inpcb 328 1411 0 1398 10 1 9 10 0 8 7
ip6q 72 1 0 0 1 0 1 1 0 8 0
ip6af 40 1 0 0 1 0 1 1 0 8 0
nd6 112 35 0 29 1 0 1 1 0 8 0
pkpcb 40 7 0 7 1 0 1 1 0 8 1
kcovpl 48 15 0 5 1 0 1 1 0 8 0
ppxss 1072 91 0 91 1 0 1 1 0 8 1
pppxif 1384 63 0 63 1 0 1 1 0 8 1
pfstscr 40 26 0 26 1 0 1 1 0 8 1
pfrktable 1344 11 0 10 1 0 1 1 0 8 0
pfstitem 24 49 0 45 1 0 1 1 0 8 0
pfstkey 128 194 0 162 2 0 2 2 0 8 0
pfstate 384 112 0 110 1 0 1 1 0 8 0
pfrule 1360 3 0 3 1 0 1 1 0 8 1
art_heap8 4096 4 0 0 4 0 4 4 0 8 0
art_heap4 256 792 0 642 27 13 14 27 0 8 4
art_table 40 796 0 642 5 0 5 5 0 8 3
art_node 32 199 0 168 1 0 1 1 0 8 0
sysvmsgpl 40 37 0 35 1 0 1 1 0 8 0
semupl 112 8 0 8 1 0 1 1 0 8 1
semapl 112 40 0 17 1 0 1 1 0 8 0
shmpl 112 63 0 13 2 0 2 2 0 8 0
dirhash 1024 19 0 2 3 0 3 3 0 8 0
dino2pl 256 4463 0 2954 95 0 95 95 0 8 0
ffsino 256 4463 0 2954 95 0 95 95 0 8 0
nchpl 144 6775 0 5070 64 0 64 64 0 8 0
rtmask 32 10 0 10 1 0 1 1 0 8 1
vnodes 216 5587 0 0 311 0 311 311 0 8 0
namei 1024 19646 0 19646 2 0 2 2 0 8 2
vcpupl 3904 10 0 0 2 0 2 2 0 8 0
vmpool 808 12 0 2 1 0 1 1 0 8 0
kstatmem 264 126 0 100 3 0 3 3 0 8 1
scsiplug 72 18 0 18 1 0 1 1 0 8 1
scxspl 216 23814 0 23814 9 1 8 9 1 8 8
plimitpl 152 391 0 368 1 0 1 1 0 8 0
sigapl 424 2123 0 2079 8 0 8 8 0 8 2
knotepl 120 60471 0 60424 10 0 10 10 0 8 6
kqueuepl 184 432 0 422 1 0 1 1 0 8 0
pipepl 304 203 0 173 3 0 3 3 0 8 0
fdescpl 448 2090 0 2059 5 0 5 5 0 8 1
filepl 120 9416 0 9155 11 0 11 11 0 8 3
lockfpl 104 526 0 524 1 0 1 1 0 8 0
lockfspl 48 247 0 245 1 0 1 1 0 8 0
sessionpl 144 41 0 33 1 0 1 1 0 8 0
pgrppl 48 81 0 60 1 0 1 1 0 8 0
ucredpl 104 1038 0 1027 1 0 1 1 0 8 0
zombiepl 144 2081 0 2079 1 0 1 1 0 8 0
processpl 1152 2123 0 2079 5 0 5 5 0 8 0
procpl 664 4148 0 4095 7 0 7 7 0 8 1
sosppl 176 6 0 5 1 0 1 1 0 8 0
sockpl 552 2366 0 2333 11 1 10 11 0 8 6
mcl64k 65536 229 0 229 1 0 1 1 0 8 1
mcl16k 16384 71 0 71 1 0 1 1 0 8 1
mcl12k 12288 41 0 41 1 0 1 1 0 8 1
mcl9k 9216 8 0 8 1 0 1 1 0 8 1
mcl8k 8192 113 0 113 1 0 1 1 0 8 1
mcl4k 4096 5307 0 5255 14 0 14 14 0 8 7
mcl2k2 2112 10 0 10 1 0 1 1 0 8 1
mcl2k 2048 2104 0 2102 4 0 4 4 0 8 3
mtagpl 96 35 0 28 1 0 1 1 0 8 0
mbufpl 256 24282 0 24180 126 108 18 76 0 8 8
bufpl 280 35553 0 30634 362 10 352 352 0 8 0
anonpl 24 269902 0 266464 47 0 47 47 0 187 16
amapchunkpl 152 61122 0 60611 36 0 36 36 0 158 15
amappl16 200 4063 0 4028 15 5 10 15 0 8 7
amappl15 192 38 0 38 1 0 1 1 0 8 1
amappl14 184 8 0 8 1 0 1 1 0 8 1
amappl13 176 440 0 439 1 0 1 1 0 8 0
amappl12 168 2502 0 2463 2 0 2 2 0 8 0
amappl11 160 5 0 5 1 0 1 1 0 8 1
amappl10 152 62 0 52 1 0 1 1 0 8 0
amappl9 144 247 0 247 1 0 1 1 0 8 1
amappl8 136 22 0 21 1 0 1 1 0 8 0
amappl7 128 94 0 93 1 0 1 1 0 8 0
amappl6 120 326 0 315 1 0 1 1 0 8 0
amappl5 112 102 0 93 1 0 1 1 0 8 0
amappl4 104 456 0 431 1 0 1 1 0 8 0
amappl3 96 10300 0 10205 3 0 3 3 0 8 0
amappl2 88 2291 0 2220 2 0 2 2 0 8 0
amappl1 80 19265 0 18713 15 0 15 15 0 8 1
amappl 88 15943 0 15768 5 0 5 5 0 92 0
uvmvnodes 80 138 0 0 3 0 3 3 0 8 0
dma16384 16384 1 0 1 1 0 1 1 0 8 1
dma4096 4096 2 0 2 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 23 0 22 1 0 1 1 0 8 0
aobjpl 72 78 0 16 2 0 2 2 0 8 0
uaoeltpl 96 51743 48 48126 89 0 89 89 0 8 0
uaddrrnd 24 2090 0 2059 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 2090 0 2059 1 0 1 1 0 8 0
vmmpekpl 168 16812 0 16766 3 0 3 3 0 8 0
vmmpepl 168 137686 0 135828 94 0 94 94 0 357 9
vmsppl 368 2089 0 2059 4 0 4 4 0 8 1
rwobjpl 40 34561 0 33429 13 0 13 13 0 8 0
pdppl 4096 4210 0 4132 116 36 80 82 0 8 2
pvpl 32 1869463 0 1619054 2936 676 2260 2936 0 265 238
pmappl 216 2101 0 2061 3 0 3 3 0 8 0
extentpl 40 45 0 27 1 0 1 1 0 8 0
phpool 112 509 0 157 12 0 12 12 0 8 0
ddb> machine ddbcpu 0
No such command
ddb> trace
uvm_aio_aiodone(fffffd806fbf17c0) at uvm_aio_aiodone+0x223 sys/uvm/uvm_pager.c:718
uvm_aiodone_daemon(ffff80002a777c90) at uvm_aiodone_daemon+0x212 sys/uvm/uvm_pdaemon.c:358
end trace frame: 0x0, count: -2
ddb> machine ddbcpu 1
No such command
ddb> trace
uvm_aio_aiodone(fffffd806fbf17c0) at uvm_aio_aiodone+0x223 sys/uvm/uvm_pager.c:718
uvm_aiodone_daemon(ffff80002a777c90) at uvm_aiodone_daemon+0x212 sys/uvm/uvm_pdaemon.c:358
end trace frame: 0x0, count: -2