uvm_fault(0xffffffff82e52678, 0xffff8000272b2088, 0, 1) -> d
kernel: page fault trap, code=0
Stopped at ffs2_balloc+0x78e: movq 0(%rcx,%rax,8),%r14
TID PID UID PRFLAGS PFLAGS CPU COMMAND
*416570 20287 73 0x19100010 0 0 syslogd
ffs2_balloc(fffffd806ee12e20,770fa,68,fffffd807f7d78f0,1,ffff80002a6593d8) at ffs2_balloc+0x78e sys/ufs/ffs/ffs_balloc.c:614
ffs_write(ffff80002a659460) at ffs_write+0x3c7 sys/ufs/ffs/ffs_vnops.c:345
VOP_WRITE(fffffd807aac2a68,ffff80002a659680,3,fffffd807f7d78f0) at VOP_WRITE+0xc3 sys/kern/vfs_vops.c:245
vn_write(fffffd806f2141e8,ffff80002a659680,0) at vn_write+0x157 sys/kern/vfs_vnops.c:408
dofilewritev(ffff80002a62d9b0,e,ffff80002a659680,0,ffff80002a659740) at dofilewritev+0x1a9 sys/kern/sys_generic.c:375
sys_writev(ffff80002a62d9b0,ffff80002a6597f0,ffff80002a659740) at sys_writev+0xab sys/kern/sys_generic.c:322
syscall(ffff80002a6597f0) at syscall+0x72a sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f77de937700, count: 7
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(0xffffffff82e52678, 0xffff8000272b2088, 0, 1) -> d
ddb> trace
ffs2_balloc(fffffd806ee12e20,770fa,68,fffffd807f7d78f0,1,ffff80002a6593d8) at ffs2_balloc+0x78e sys/ufs/ffs/ffs_balloc.c:614
ffs_write(ffff80002a659460) at ffs_write+0x3c7 sys/ufs/ffs/ffs_vnops.c:345
VOP_WRITE(fffffd807aac2a68,ffff80002a659680,3,fffffd807f7d78f0) at VOP_WRITE+0xc3 sys/kern/vfs_vops.c:245
vn_write(fffffd806f2141e8,ffff80002a659680,0) at vn_write+0x157 sys/kern/vfs_vnops.c:408
dofilewritev(ffff80002a62d9b0,e,ffff80002a659680,0,ffff80002a659740) at dofilewritev+0x1a9 sys/kern/sys_generic.c:375
sys_writev(ffff80002a62d9b0,ffff80002a6597f0,ffff80002a659740) at sys_writev+0xab sys/kern/sys_generic.c:322
syscall(ffff80002a6597f0) at syscall+0x72a sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f77de937700, count: -8
ddb> show registers
rdi 0
rsi 0
rbp 0xffff80002a659380
rbx 0xfffffd806ee12e20
rdx 0
rcx 0xffff8000272b2000
rax 0x11
r8 0xffffffffffffffff
r9 0xffff80002a6593d8
r10 0x95cc26294139dde3
r11 0xdd0298ba5c1aedc0
r12 0x10
r13 0x1
r14 0xffffffff
r15 0xfffffd80770cf7b8
rip 0xffffffff81ac3b8e ffs2_balloc+0x78e
cs 0x8
rflags 0x10202 __ALIGN_SIZE+0xf202
rsp 0xffff80002a659210
ss 0x10
ffs2_balloc+0x78e: movq 0(%rcx,%rax,8),%r14
ddb> show proc
PROC (syslogd) tid=416570 pid=20287 tcnt=1 stat=onproc
flags process=19100010<SUGID,PLEDGE,CHROOT> proc=0
runpri=17, usrpri=50, slppri=17, nice=20
wchan=0x0, wmesg=, ps_single=0x0
forw=0xffffffffffffffff, list=0xffff80002a62d720,0xffff80002a62ca60
process=0xffff8000ffff7ab0 user=0xffff80002a654000, vmspace=0xfffffd807aabc008
estcpu=0, cpticks=1, pctcpu=0.2, user=0, sys=1, intr=0
ddb> ps
PID TID PPID UID S FLAGS WAIT COMMAND
42456 141399 56597 0 2 0x8000000 syz-executor.4
42456 217859 56597 0 3 0xc000080 fsleep syz-executor.4
51456 116115 72231 0 2 0x8000000 syz-executor.6
51456 215161 72231 0 3 0xc000080 fsleep syz-executor.6
49789 246195 78312 0 2 0x8000000 syz-executor.2
49789 280077 78312 0 3 0xc000080 fsleep syz-executor.2
44968 184806 24304 0 2 0x8000000 syz-executor.0
44968 178357 24304 0 2 0xc000000 syz-executor.0
97031 488345 35548 0 2 0x8100002 sh
24506 136178 81521 0 2 0x8100002 sh
35548 523801 64216 0 3 0x8000082 wait syz-executor.3
69305 189840 79896 0 2 0x8100000 sh
79896 131475 66325 0 3 0x810008a sigsusp sh
72231 151926 64216 0 2 0x8000482 syz-executor.6
54884 175989 64216 0 2 0x8000482 syz-executor.1
56597 15597 64216 0 2 0x8000482 syz-executor.4
78312 279134 64216 0 2 0x8000482 syz-executor.2
81521 19098 64216 0 3 0x8000082 wait syz-executor.7
24304 377460 64216 0 2 0x8000482 syz-executor.0
66325 166572 64216 0 3 0x8000082 wait syz-executor.5
72197 508720 0 0 3 0x14200 bored sosplice
64216 55716 16336 0 3 0x1a000082 thrsleep syz-fuzzer
64216 441119 16336 0 2 0x1e000482 syz-fuzzer
64216 323269 16336 0 3 0x1e000082 wait syz-fuzzer
64216 130127 16336 0 3 0x1e000082 wait syz-fuzzer
64216 38180 16336 0 3 0x1e000082 wait syz-fuzzer
64216 342300 16336 0 3 0x1e000082 kqread syz-fuzzer
64216 205775 16336 0 3 0x1e000082 thrsleep syz-fuzzer
64216 437076 16336 0 3 0x1e000082 wait syz-fuzzer
64216 60680 16336 0 3 0x1e000082 wait syz-fuzzer
64216 293871 16336 0 3 0x1e000082 wait syz-fuzzer
64216 363865 16336 0 3 0x1e000082 thrsleep syz-fuzzer
64216 183034 16336 0 3 0x1e000082 wait syz-fuzzer
64216 119797 16336 0 3 0x1e000082 wait syz-fuzzer
64216 283574 16336 0 3 0x1e000082 thrsleep syz-fuzzer
16336 306922 70340 0 3 0x810008a sigsusp ksh
70340 427129 28278 0 3 0x1800009a kqread sshd
95585 25934 1 0 3 0x18100083 ttyin getty
28278 52477 1 0 3 0x18000088 kqread sshd
*20287 416570 10265 73 7 0x19100010 syslogd
10265 261748 1 0 3 0x18100082 sbwait syslogd
45390 5754 1 0 3 0x18100080 kqread resolvd
83395 385252 5729 77 3 0x18100092 kqread dhcpleased
19611 492319 5729 77 3 0x18100092 kqread dhcpleased
5729 181796 1 0 3 0x18000080 kqread dhcpleased
27449 171986 0 0 3 0x14200 bored smr
18317 468871 0 0 2 0x14200 zerothread
74491 436494 0 0 3 0x14200 aiodoned aiodoned
55169 309160 0 0 2 0x14600 update
90509 382902 0 0 3 0x14200 cleaner cleaner
96242 59431 0 0 3 0x14200 reaper reaper
91484 434465 0 0 3 0x14200 pgdaemon pagedaemon
99574 329539 0 0 3 0x14200 bored viomb
52052 332505 0 0 3 0x40014200 acpi0 acpi0
76430 313276 0 0 3 0x14200 bored softnet3
59366 85745 0 0 3 0x14200 bored softnet2
8822 91535 0 0 3 0x14200 bored softnet1
68985 67042 0 0 3 0x14200 bored softnet0
79782 457193 0 0 3 0x14200 bored systqmp
86521 83594 0 0 3 0x14200 bored systq
21569 101246 0 0 3 0x40014200 tmoslp softclock
68259 300202 0 0 3 0x40014200 idle0
1 82737 0 0 3 0x8000082 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 10179 6542K 6864K 166960K 12129 0
pcb 17 12K 12K 166960K 87 0
rtable 213 6K 7K 166960K 1164 0
pf 29 8K 9K 166960K 98 0
ifaddr 40 11K 12K 166960K 157 0
ifgroup 50 2K 2K 166960K 181 0
sysctl 3 1K 1K 166960K 5 0
counters 30 17K 17K 166960K 61 0
ioctlops 0 0K 2K 166960K 73 0
iov 0 0K 28K 166960K 31 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1382 87K 87K 166960K 2052 0
UFS quota 1 32K 32K 166960K 1 0
UFS mount 5 36K 36K 166960K 5 0
shm 2 1K 9K 166960K 12 0
VM map 2 1K 1K 166960K 2 0
sem 12 0K 1K 166960K 44 0
dirhash 12 2K 2K 166960K 24 0
ACPI 1697 195K 286K 166960K 12548 0
file desc 18 65K 101K 166960K 1008 0
sigio 0 0K 0K 166960K 11 0
proc 58 59K 132K 166960K 1227 0
subproc 104 6K 7K 166960K 442 0
NFS srvsock 1 0K 0K 166960K 1 0
NFS daemon 1 16K 16K 166960K 1 0
ip_moptions 0 0K 0K 166960K 59 0
in_multi 88 6K 7K 166960K 381 0
ether_multi 1 0K 0K 166960K 1 0
mrt 0 0K 0K 166960K 2 0
ISOFS mount 1 32K 32K 166960K 1 0
MSDOSFS mount 1 16K 16K 166960K 1 0
ttys 67 307K 307K 166960K 67 0
exec 0 0K 1K 166960K 795 0
tdb 3 0K 0K 166960K 3 0
VM swap 8 62K 64K 166960K 10 0
UVM amap 267 79K 85K 166960K 9552 0
UVM aobj 17 4K 4K 166960K 17 0
pinsyscall 38 76K 100K 166960K 2808 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
ip6_options 0 0K 0K 166960K 24 0
NDP 25 1K 2K 166960K 108 0
temp 74 6812K 14742K 166960K 12632 0
kqueue 12 18K 24K 166960K 78 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 120 121 0 118 1 0 1 1 0 8 0
rtentry 112 405 0 307 4 0 4 4 0 8 1
unpcb 144 391 0 377 2 0 2 2 0 8 1
syncache 336 9 0 9 1 0 1 1 0 8 1
sackhl 24 3 0 3 1 0 1 1 0 8 1
tcpqe 32 1 0 1 1 0 1 1 0 8 1
tcpcb 808 211 0 205 2 0 2 2 0 8 1
arp 88 74 0 58 1 0 1 1 0 8 0
ipq 40 3 0 3 1 0 1 1 0 8 1
ipqe 40 48 0 48 1 0 1 1 0 8 1
inpcb 352 813 0 804 8 0 8 8 0 8 6
nd6 104 100 0 80 1 0 1 1 0 8 0
pkpcb 40 7 0 7 1 0 1 1 0 8 1
kcovpl 48 34 0 26 1 0 1 1 0 8 0
ppxss 1072 2 0 2 1 0 1 1 0 8 1
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 1599 0 1189 41 15 26 30 0 8 0
art_table 32 1600 0 1189 4 0 4 4 0 8 0
art_node 16 404 0 315 1 0 1 1 0 8 0
sysvmsgpl 40 41 0 1 1 0 1 1 0 8 0
semupl 112 1 0 1 1 0 1 1 0 8 1
semapl 112 41 0 31 1 0 1 1 0 8 0
shmpl 112 14 0 0 1 0 1 1 0 8 0
dirhash 1024 25 0 8 3 0 3 3 0 8 0
dino2pl 256 2495 0 985 96 0 96 96 0 8 0
ffsino 240 2495 0 985 90 0 90 90 0 8 0
nchpl 144 3705 0 1969 66 0 66 66 0 8 0
uvmvnodes 80 3163 0 0 65 0 65 65 0 8 0
vnodes 216 3163 0 0 176 0 176 176 0 8 0
namei 1024 15249 0 15249 2 0 2 2 0 8 2
kstatmem 264 84 0 62 2 0 2 2 0 8 0
scsiplug 72 3 0 3 1 0 1 1 0 8 1
scxspl 216 21329 0 21329 8 0 8 8 1 8 8
plimitpl 152 129 0 112 1 0 1 1 0 8 0
sigapl 424 1251 0 1204 7 0 7 7 0 8 1
futexpl 64 9540 0 9537 1 0 1 1 0 8 0
knotepl 120 5452 0 5364 11 0 11 11 0 8 7
kqueuepl 184 167 0 159 1 0 1 1 0 8 0
pipepl 288 297 0 269 3 0 3 3 0 8 0
fdescpl 432 1234 0 1205 5 0 5 5 0 8 1
filepl 120 6332 0 6089 10 0 10 10 0 8 2
lockfpl 104 191 0 189 1 0 1 1 0 8 0
lockfspl 48 72 0 70 1 0 1 1 0 8 0
sessionpl 144 49 0 33 1 0 1 1 0 8 0
pgrppl 48 55 0 39 1 0 1 1 0 8 0
ucredpl 104 711 0 698 1 0 1 1 0 8 0
zombiepl 144 1205 0 1204 1 0 1 1 0 8 0
processpl 1072 1251 0 1204 4 0 4 4 0 8 0
procpl 656 1919 0 1855 7 0 7 7 0 8 0
sosppl 168 10 0 10 1 0 1 1 0 8 1
sockpl 504 1340 0 1314 13 2 11 13 0 8 7
mcl64k 65536 6 0 6 1 0 1 1 0 8 1
mcl8k 8192 15 0 15 1 0 1 1 0 8 1
mcl4k 4096 10 0 10 1 0 1 1 0 8 1
mcl2k 2048 19495 0 19397 38 17 21 36 0 8 7
mtagpl 96 27 0 27 1 0 1 1 0 8 1
mbufpl 256 40819 0 40570 33 7 26 28 0 8 7
bufpl 280 7282 0 953 453 0 453 453 0 8 0
anonpl 24 306036 0 295573 85 0 85 85 0 188 21
amapchunkpl 152 31836 0 30932 39 0 39 39 0 158 4
amappl16 200 7017 0 6936 26 11 15 19 0 8 8
amappl15 192 17 0 17 1 0 1 1 0 8 1
amappl14 184 275 0 261 2 0 2 2 0 8 1
amappl13 176 14 0 14 1 0 1 1 0 8 1
amappl12 168 2225 0 2195 2 0 2 2 0 8 0
amappl11 160 49 0 38 1 0 1 1 0 8 0
amappl10 152 112 0 101 1 0 1 1 0 8 0
amappl9 144 160 0 160 1 0 1 1 0 8 1
amappl8 136 185 0 156 2 0 2 2 0 8 0
amappl7 128 52 0 38 1 0 1 1 0 8 0
amappl6 120 642 0 624 2 0 2 2 0 8 1
amappl5 112 264 0 252 1 0 1 1 0 8 0
amappl4 104 674 0 645 2 0 2 2 0 8 1
amappl3 96 6399 0 6323 3 0 3 3 0 8 0
amappl2 88 1699 0 1628 3 0 3 3 0 8 1
amappl1 80 13737 0 13237 22 3 19 22 0 8 7
amappl 88 8831 0 8647 5 0 5 5 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 16 0 0 1 0 1 1 0 8 0
uaddrrnd 24 1234 0 1205 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 1234 0 1205 1 0 1 1 0 8 0
vmmpekpl 168 13921 0 13866 3 0 3 3 0 8 0
vmmpepl 168 100998 0 99247 111 0 111 111 0 357 28
vmsppl 344 1233 0 1205 4 0 4 4 0 8 0
rwobjpl 24 34381 0 30164 27 0 27 27 0 8 0
pdppl 4096 2474 0 2410 160 84 76 82 0 8 12
pvpl 32 726474 0 706963 357 20 337 357 0 265 179
pmappl 216 1233 0 1205 3 0 3 3 0 8 1
extentpl 40 56 0 38 1 0 1 1 0 8 0
phpool 112 489 0 125 11 0 11 11 0 8 0
ddb> machine ddbcpu 0
No such command
ddb> trace
ffs2_balloc(fffffd806ee12e20,770fa,68,fffffd807f7d78f0,1,ffff80002a6593d8) at ffs2_balloc+0x78e sys/ufs/ffs/ffs_balloc.c:614
ffs_write(ffff80002a659460) at ffs_write+0x3c7 sys/ufs/ffs/ffs_vnops.c:345
VOP_WRITE(fffffd807aac2a68,ffff80002a659680,3,fffffd807f7d78f0) at VOP_WRITE+0xc3 sys/kern/vfs_vops.c:245
vn_write(fffffd806f2141e8,ffff80002a659680,0) at vn_write+0x157 sys/kern/vfs_vnops.c:408
dofilewritev(ffff80002a62d9b0,e,ffff80002a659680,0,ffff80002a659740) at dofilewritev+0x1a9 sys/kern/sys_generic.c:375
sys_writev(ffff80002a62d9b0,ffff80002a6597f0,ffff80002a659740) at sys_writev+0xab sys/kern/sys_generic.c:322
syscall(ffff80002a6597f0) at syscall+0x72a sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f77de937700, count: -8
ddb> machine ddbcpu 1
No such command
ddb> trace
ffs2_balloc(fffffd806ee12e20,770fa,68,fffffd807f7d78f0,1,ffff80002a6593d8) at ffs2_balloc+0x78e sys/ufs/ffs/ffs_balloc.c:614
ffs_write(ffff80002a659460) at ffs_write+0x3c7 sys/ufs/ffs/ffs_vnops.c:345
VOP_WRITE(fffffd807aac2a68,ffff80002a659680,3,fffffd807f7d78f0) at VOP_WRITE+0xc3 sys/kern/vfs_vops.c:245
vn_write(fffffd806f2141e8,ffff80002a659680,0) at vn_write+0x157 sys/kern/vfs_vnops.c:408
dofilewritev(ffff80002a62d9b0,e,ffff80002a659680,0,ffff80002a659740) at dofilewritev+0x1a9 sys/kern/sys_generic.c:375
sys_writev(ffff80002a62d9b0,ffff80002a6597f0,ffff80002a659740) at sys_writev+0xab sys/kern/sys_generic.c:322
syscall(ffff80002a6597f0) at syscall+0x72a sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f77de937700, count: -8