uvm_fault(0xfffffd8068c11aa0, 0x2f, 0, 1) -> e
kernel: page fault trap, code=0
Stopped at sysctl_diskinit+0x80: movq 0x30(%rbx),%r14
TID PID UID PRFLAGS PFLAGS CPU COMMAND
*487949 39802 0 0 0x4000000 0 syz-executor.0
sysctl_diskinit(1,ffffffff82756910) at sysctl_diskinit+0x80 sys/kern/kern_sysctl.c:2143
hw_sysctl(ffff8000216ed454,1,0,ffff8000216ed488,0,0,d6a5cf73bdeaf3e0) at hw_sysctl+0x61a sys/kern/kern_sysctl.c:706
sys_sysctl(ffff8000216d3ce8,ffff8000216ed4f8,ffff8000216ed550) at sys_sysctl+0x209 sys/kern/kern_sysctl.c:250
syscall(ffff8000216ed5c0) at syscall+0x44e sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xec237694f0, count: 10
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(0xfffffd8068c11aa0, 0x2f, 0, 1) -> e
ddb> trace
sysctl_diskinit(1,ffffffff82756910) at sysctl_diskinit+0x80 sys/kern/kern_sysctl.c:2143
hw_sysctl(ffff8000216ed454,1,0,ffff8000216ed488,0,0,d6a5cf73bdeaf3e0) at hw_sysctl+0x61a sys/kern/kern_sysctl.c:706
sys_sysctl(ffff8000216d3ce8,ffff8000216ed4f8,ffff8000216ed550) at sys_sysctl+0x209 sys/kern/kern_sysctl.c:250
syscall(ffff8000216ed5c0) at syscall+0x44e sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xec237694f0, count: -5
ddb> show registers
rdi 0xffff800023100000
rsi 0x1c
rbp 0xffff8000216ed390
rbx 0xffffffffffffffff
rdx 0xffff800023100000
rcx 0x1b
rax 0xffffffff812d5066 sysctl_diskinit+0xb6
r8 0x101010101010101
r9 0x8080808080808080
r10 0xdc47733255ca48af
r11 0x4f5ea5432132c0b
r12 0x2b
r13 0
r14 0xffff8000006b3024
r15 0x1
rip 0xffffffff812d5030 sysctl_diskinit+0x80
cs 0x8
rflags 0x10246 __ALIGN_SIZE+0xf246
rsp 0xffff8000216ed340
ss 0x10
sysctl_diskinit+0x80: movq 0x30(%rbx),%r14
ddb> show proc
PROC (syz-executor.0) pid=487949 stat=onproc
flags process=0 proc=4000000<THREAD>
pri=86, usrpri=86, nice=20
forw=0xffffffffffffffff, list=0xffff8000216d2d28,0xffffffff82860290
process=0xffff800024b80fd8 user=0xffff8000216e8000, vmspace=0xfffffd8068c11aa0
estcpu=36, cpticks=0, pctcpu=0.0
user=0, sys=0, intr=0
ddb> ps
PID TID PPID UID S FLAGS WAIT COMMAND
39802 9358 6741 0 2 0 syz-executor.0
*39802 487949 6741 0 7 0x4000000 syz-executor.0
6741 34948 80871 0 3 0x82 nanoslp syz-executor.0
67027 4328 80871 0 2 0x2 syz-executor.1
18969 394341 0 0 3 0x14200 acct acct
13125 75753 0 0 3 0x14200 bored sosplice
91253 459408 0 0 3 0x14280 nfsidl nfsio
9984 46451 0 0 3 0x14280 nfsidl nfsio
37728 121934 0 0 3 0x14280 nfsidl nfsio
36704 445375 0 0 3 0x14280 nfsidl nfsio
33179 475640 0 0 3 0x14280 nfsidl nfsio
24527 186083 0 0 3 0x14280 nfsidl nfsio
32102 433486 0 0 3 0x14280 nfsidl nfsio
63889 148801 0 0 3 0x14280 nfsidl nfsio
73990 280138 0 0 3 0x14280 nfsidl nfsio
34707 445580 0 0 3 0x14280 nfsidl nfsio
53572 50587 0 0 3 0x14280 nfsidl nfsio
31365 496218 0 0 3 0x14280 nfsidl nfsio
81093 225377 0 0 3 0x14280 nfsidl nfsio
78678 97451 0 0 3 0x14280 nfsidl nfsio
73872 412808 0 0 3 0x14280 nfsidl nfsio
25641 191032 0 0 3 0x14280 nfsidl nfsio
67506 257031 0 0 3 0x14280 nfsidl nfsio
21970 266003 0 0 3 0x14280 nfsidl nfsio
29699 261539 0 0 3 0x14280 nfsidl nfsio
91168 194471 0 0 3 0x14280 nfsidl nfsio
80871 96022 736 0 3 0x82 thrsleep syz-fuzzer
80871 241763 736 0 3 0x4000082 nanoslp syz-fuzzer
80871 147324 736 0 3 0x4000082 thrsleep syz-fuzzer
80871 506176 736 0 3 0x4000082 thrsleep syz-fuzzer
80871 408049 736 0 3 0x4000082 thrsleep syz-fuzzer
80871 29082 736 0 3 0x4000082 kqread syz-fuzzer
736 313662 85813 0 3 0x10008a sigsusp ksh
85813 384847 10573 0 3 0x9a kqread sshd
68731 419303 1 0 3 0x100083 ttyin getty
10573 194876 1 0 3 0x88 kqread sshd
36630 141191 22160 73 3 0x100090 kqread syslogd
22160 145792 1 0 3 0x100082 netio syslogd
44795 466220 1 0 3 0x100080 kqread resolvd
64281 345796 77092 77 3 0x100092 kqread dhcpleased
27935 348410 77092 77 3 0x100092 kqread dhcpleased
77092 20720 1 0 3 0x80 kqread dhcpleased
55090 493920 0 0 3 0x14200 bored smr
15263 131650 0 0 2 0x14200 zerothread
32299 245987 0 0 3 0x14200 aiodoned aiodoned
86805 37188 0 0 3 0x14200 syncer update
72889 513102 0 0 3 0x14200 cleaner cleaner
80765 361937 0 0 3 0x14200 reaper reaper
5613 293039 0 0 3 0x14200 pgdaemon pagedaemon
18808 214379 0 0 3 0x14200 bored viomb
49073 500983 0 0 3 0x40014200 acpi0 acpi0
56678 212817 0 0 3 0x14200 bored softnet
65184 467875 0 0 3 0x14200 bored systqmp
95015 106142 0 0 3 0x14200 bored systq
29558 408848 0 0 3 0x40014200 bored softclock
84755 152086 0 0 3 0x40014200 idle0
1 383846 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 10144 6390K 6843K 78643K 15870 0
pcb 13 16K 18K 78643K 1280 0
rtable 157 26K 27K 78643K 3832 0
ifaddr 66 18K 19K 78643K 981 0
counters 21 16K 16K 78643K 110 0
ioctlops 0 0K 4K 78643K 894 0
iov 0 0K 16K 78643K 409 0
mount 1 1K 1K 78643K 1 0
log 0 0K 0K 78643K 4 0
vnodes 1306 82K 82K 78643K 3898 0
UFS quota 1 32K 32K 78643K 1 0
UFS mount 5 36K 36K 78643K 5 0
shm 2 1K 5K 78643K 27 0
VM map 2 0K 0K 78643K 2 0
sem 12 0K 0K 78643K 580 0
dirhash 12 2K 2K 78643K 12 0
ACPI 1697 195K 286K 78643K 12598 0
file desc 5 13K 25K 78643K 4108 0
sigio 0 0K 0K 78643K 11 0
proc 59 55K 63K 78643K 1455 0
subproc 26 1K 1K 78643K 510 0
NFS srvsock 1 0K 0K 78643K 1 0
NFS daemon 1 16K 16K 78643K 1 0
ip_moptions 0 0K 0K 78643K 234 0
in_multi 39 2K 2K 78643K 681 0
ether_multi 1 0K 0K 78643K 98 0
mrt 1 0K 0K 78643K 28 0
ISOFS mount 1 32K 32K 78643K 1 0
MSDOSFS mount 1 16K 16K 78643K 1 0
ttys 229 1023K 1023K 78643K 229 0
exec 0 0K 2K 78643K 1702 0
pfkey data 0 0K 1K 78643K 4 0
tdb 3 0K 0K 78643K 3 0
pagedep 1 8K 8K 78643K 1 0
inodedep 1 32K 32K 78643K 1 0
newblk 1 0K 0K 78643K 1 0
VM swap 7 26K 26K 78643K 7 0
UVM amap 273 421K 422K 78643K 49589 0
UVM aobj 81 3K 3K 78643K 81 0
memdesc 1 4K 4K 78643K 1 0
crypto data 1 1K 1K 78643K 1 0
ip6_options 0 0K 0K 78643K 314 0
NDP 6 0K 0K 78643K 181 0
temp 85 4198K 6223K 78643K 58293 0
kqueue 12 18K 24K 78643K 184 0
SYN cache 2 16K 16K 78643K 2 0
ddb> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
rtpcb 120 397 0 394 5 4 1 3 0 8 0
rtentry 112 510 0 473 4 2 2 2 0 8 0
unpcb 128 2553 0 2540 29 27 2 5 0 8 1
syncache 296 21 0 21 8 8 0 1 0 8 0
tcpqe 32 55 0 55 6 6 0 1 0 8 0
tcpcb 736 1522 0 1516 68 61 7 10 0 8 6
arp 88 82 0 76 1 0 1 1 0 8 0
ipq 40 10 0 10 4 4 0 1 0 8 0
ipqe 40 153 0 153 4 4 0 1 0 8 0
inpcb 304 4863 0 4854 89 78 11 16 0 8 10
rttmr 72 11 0 11 4 4 0 1 0 8 0
nd6 48 128 0 122 1 0 1 1 0 8 0
pkpcb 40 21 0 21 4 3 1 1 0 8 1
kcovpl 48 39 0 37 1 0 1 1 0 8 0
ppxss 1152 41 0 41 2 2 0 1 0 8 0
pfstscr 40 7 0 6 1 0 1 1 0 8 0
pfrktable 1344 1173 0 1144 4 1 3 3 0 8 0
pftag 88 104 0 96 1 0 1 1 0 8 0
pfstitem 24 5 0 3 1 0 1 1 0 8 0
pfstkey 112 24 0 22 1 0 1 1 0 8 0
pfstate 320 12 0 11 1 0 1 1 0 8 0
pfrule 1360 456 0 372 11 3 8 8 0 8 1
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 2107 0 1920 24 12 12 14 0 8 0
art_table 32 2108 0 1920 2 0 2 2 0 8 0
art_node 16 509 0 479 1 0 1 1 0 8 0
sysvmsgpl 40 57 0 45 2 1 1 1 0 8 0
semupl 112 3 0 3 1 1 0 1 0 8 0
semapl 112 578 0 568 1 0 1 1 0 8 0
shmpl 112 78 0 0 3 0 3 3 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 7858 0 6449 89 0 89 89 0 8 0
ffsino 240 7858 0 6449 84 0 84 84 0 8 0
nchpl 144 13303 0 11711 60 0 60 60 0 8 0
uvmvnodes 80 5926 0 0 121 0 121 121 0 8 0
vnodes 224 5926 0 0 349 0 349 349 0 8 0
namei 1024 49692 0 49692 3 2 1 1 0 8 1
vcpupl 1984 28 0 0 4 0 4 4 0 8 0
vmpool 528 40 0 12 2 0 2 2 0 8 0
pfiaddrpl 120 456 0 401 2 0 2 2 0 8 0
scxspl 216 48170 0 48170 13 10 3 8 0 8 3
plimitpl 152 615 0 607 1 0 1 1 0 8 0
sigapl 424 4250 0 4199 6 0 6 6 0 8 0
futexpl 64 39255 0 39255 5 4 1 1 0 8 1
knotepl 112 31243 0 31200 2 0 2 2 0 8 0
kqueuepl 184 1303 0 1295 20 19 1 4 0 8 0
pipepl 304 814 0 804 15 13 2 6 0 8 1
fdescpl 432 4213 0 4197 8 6 2 3 0 8 0
filepl 120 32660 0 32559 55 47 8 10 0 8 4
lockfpl 104 1108 0 1106 2 1 1 2 0 8 0
lockfspl 48 333 0 331 1 0 1 1 0 8 0
sessionpl 144 54 0 44 1 0 1 1 0 8 0
pgrppl 48 57 0 47 1 0 1 1 0 8 0
ucredpl 96 5116 0 5105 1 0 1 1 0 8 0
zombiepl 144 4199 0 4199 1 0 1 1 0 8 1
processpl 1000 4250 0 4199 8 1 7 7 0 8 0
procpl 672 10763 0 10706 16 10 6 7 0 8 0
sosppl 168 12 0 12 4 4 0 1 0 8 0
sockpl 448 7838 0 7813 178 160 18 25 0 8 15
mcl64k 65536 159 0 159 15 14 1 1 0 8 1
mcl16k 16384 62 0 62 12 12 0 1 0 8 0
mcl12k 12288 91 0 91 15 14 1 1 0 8 1
mcl9k 9216 92 0 92 13 12 1 1 0 8 1
mcl8k 8192 438 0 438 10 9 1 1 0 8 1
mcl4k 4096 655 0 655 11 10 1 1 0 8 1
mcl2k2 2112 45 0 45 11 11 0 1 0 8 0
mcl2k 2048 83807 0 83764 24 16 8 11 0 8 0
mtagpl 96 617 0 617 10 9 1 4 0 8 1
mbufpl 256 164399 0 164210 80 63 17 31 0 8 1
bufpl 288 13387 0 6988 458 0 458 458 0 8 0
anonpl 24 1147414 0 1129868 159 51 108 126 0 188 0
amapchunkpl 152 122279 0 121687 82 57 25 38 0 158 2
amappl16 200 9331 0 8707 55 21 34 45 0 8 1
amappl15 192 412 0 405 1 0 1 1 0 8 0
amappl14 184 449 0 446 1 0 1 1 0 8 0
amappl13 176 434 0 433 1 0 1 1 0 8 0
amappl12 168 330 0 329 1 0 1 1 0 8 0
amappl11 160 1014 0 998 1 0 1 1 0 8 0
amappl10 152 618 0 615 1 0 1 1 0 8 0
amappl9 144 317 0 314 1 0 1 1 0 8 0
amappl8 136 1775 0 1736 2 0 2 2 0 8 0
amappl7 128 1046 0 1041 1 0 1 1 0 8 0
amappl6 120 290 0 282 1 0 1 1 0 8 0
amappl5 112 3664 0 3646 1 0 1 1 0 8 0
amappl4 104 3058 0 3034 1 0 1 1 0 8 0
amappl3 96 905 0 887 1 0 1 1 0 8 0
amappl2 88 4953 0 4912 2 0 2 2 0 8 0
amappl1 80 74217 0 73804 21 11 10 12 0 8 0
amappl 88 47994 0 47827 5 0 5 5 0 92 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 6 0 6 1 1 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 80 0 0 2 0 2 2 0 8 0
uaddrrnd 24 4253 0 4209 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 4253 0 4209 1 0 1 1 0 8 0
vmmpekpl 168 32189 0 32161 2 0 2 2 0 8 0
vmmpepl 168 400734 0 398924 274 166 108 112 0 357 22
vmsppl 272 4252 0 4209 4 1 3 3 0 8 0
rwobjpl 24 95712 0 88350 45 0 45 45 0 8 0
pdppl 4096 8512 0 8446 106 38 68 68 0 8 2
pvpl 32 2118805 0 2097855 329 156 173 227 0 265 4
pmappl 216 4252 0 4209 4 1 3 3 0 8 0
extentpl 40 57 0 38 1 0 1 1 0 8 0
phpool 112 1184 0 403 23 0 23 23 0 8 0
ddb> machine ddbcpu 0
No such command
ddb> trace
sysctl_diskinit(1,ffffffff82756910) at sysctl_diskinit+0x80 sys/kern/kern_sysctl.c:2143
hw_sysctl(ffff8000216ed454,1,0,ffff8000216ed488,0,0,d6a5cf73bdeaf3e0) at hw_sysctl+0x61a sys/kern/kern_sysctl.c:706
sys_sysctl(ffff8000216d3ce8,ffff8000216ed4f8,ffff8000216ed550) at sys_sysctl+0x209 sys/kern/kern_sysctl.c:250
syscall(ffff8000216ed5c0) at syscall+0x44e sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xec237694f0, count: -5
ddb> machine ddbcpu 1
No such command
ddb> trace
sysctl_diskinit(1,ffffffff82756910) at sysctl_diskinit+0x80 sys/kern/kern_sysctl.c:2143
hw_sysctl(ffff8000216ed454,1,0,ffff8000216ed488,0,0,d6a5cf73bdeaf3e0) at hw_sysctl+0x61a sys/kern/kern_sysctl.c:706
sys_sysctl(ffff8000216d3ce8,ffff8000216ed4f8,ffff8000216ed550) at sys_sysctl+0x209 sys/kern/kern_sysctl.c:250
syscall(ffff8000216ed5c0) at syscall+0x44e sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xec237694f0, count: -5