uvm_fault(0xffffffff82df5e78, 0xffff800028812010, 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
* 79691 13728 73 0x19100010 0 0 syslogd
ffs2_balloc(fffffd806efb4f10,395b0,64,fffffd807f7d7680,1,ffff80002a6596d8) at ffs2_balloc+0x78e sys/ufs/ffs/ffs_balloc.c:614
ffs_write(ffff80002a659760) at ffs_write+0x3c7 sys/ufs/ffs/ffs_vnops.c:345
VOP_WRITE(fffffd807bd65708,ffff80002a659980,3,fffffd807f7d7680) at VOP_WRITE+0xc3 sys/kern/vfs_vops.c:245
vn_write(fffffd807e7740f8,ffff80002a659980,0) at vn_write+0x157 sys/kern/vfs_vnops.c:408
dofilewritev(ffff80002a62dc40,e,ffff80002a659980,0,ffff80002a659a40) at dofilewritev+0x1a9 sys/kern/sys_generic.c:375
sys_writev(ffff80002a62dc40,ffff80002a659af0,ffff80002a659a40) at sys_writev+0xab sys/kern/sys_generic.c:322
syscall(ffff80002a659af0) at syscall+0x72a sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x734e00b60230, 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(0xffffffff82df5e78, 0xffff800028812010, 0, 1) -> d
ddb> trace
ffs2_balloc(fffffd806efb4f10,395b0,64,fffffd807f7d7680,1,ffff80002a6596d8) at ffs2_balloc+0x78e sys/ufs/ffs/ffs_balloc.c:614
ffs_write(ffff80002a659760) at ffs_write+0x3c7 sys/ufs/ffs/ffs_vnops.c:345
VOP_WRITE(fffffd807bd65708,ffff80002a659980,3,fffffd807f7d7680) at VOP_WRITE+0xc3 sys/kern/vfs_vops.c:245
vn_write(fffffd807e7740f8,ffff80002a659980,0) at vn_write+0x157 sys/kern/vfs_vnops.c:408
dofilewritev(ffff80002a62dc40,e,ffff80002a659980,0,ffff80002a659a40) at dofilewritev+0x1a9 sys/kern/sys_generic.c:375
sys_writev(ffff80002a62dc40,ffff80002a659af0,ffff80002a659a40) at sys_writev+0xab sys/kern/sys_generic.c:322
syscall(ffff80002a659af0) at syscall+0x72a sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x734e00b60230, count: -8
ddb> show registers
rdi 0
rsi 0
rbp 0xffff80002a659680
rbx 0xfffffd806efb4f10
rdx 0
rcx 0xffff800028812000
rax 0x2
r8 0xffffffffffffffff
r9 0xffff80002a6596d8
r10 0x56fd860d1e4e6d7c
r11 0xd74b0609aaa07622
r12 0x10
r13 0x1
r14 0xffffffff
r15 0xfffffd8072f4d028
rip 0xffffffff81380ace ffs2_balloc+0x78e
cs 0x8
rflags 0x10202 __ALIGN_SIZE+0xf202
rsp 0xffff80002a659510
ss 0x10
ffs2_balloc+0x78e: movq 0(%rcx,%rax,8),%r14
ddb> show proc
PROC (syslogd) tid=79691 pid=13728 tcnt=1 stat=onproc
flags process=19100010<SUGID,PLEDGE,CHROOT> proc=0
runpri=24, usrpri=50, slppri=24, nice=20
wchan=0x0, wmesg=, ps_single=0x0
forw=0xffffffffffffffff, list=0xffff80002a62d9b0,0xffff80002a62ccf0
process=0xffff8000ffff7250 user=0xffff80002a654000, vmspace=0xfffffd807e646818
estcpu=0, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0
ddb> ps
PID TID PPID UID S FLAGS WAIT COMMAND
68577 372499 97376 0 2 0x8000000 syz-executor.6
68577 487266 97376 0 2 0xc000000 syz-executor.6
68206 398753 36366 0 2 0x8000000 syz-executor.5
68206 473326 36366 0 2 0xc000000 syz-executor.5
73203 25073 78700 0 2 0x8000000 syz-executor.1
73203 133090 78700 0 2 0xc000000 syz-executor.1
50060 212443 65036 60928 2 0x8000010 syz-executor.0
50060 514901 65036 60928 3 0xc000090 fsleep syz-executor.0
49073 224742 7245 0 2 0x8000000 syz-executor.2
49073 507054 7245 0 2 0xc000000 syz-executor.2
13875 510299 50183 0 2 0x8000000 syz-executor.7
13875 391906 50183 0 3 0xc000080 fsleep syz-executor.7
74748 266037 31424 0 2 0x8000000 syz-executor.3
74748 263801 31424 0 3 0xc000080 fsleep syz-executor.3
50183 52987 72061 0 3 0x8000082 nanoslp syz-executor.7
368 260632 1 0 3 0x18100083 ttyin getty
25829 197842 0 0 3 0x14200 acct acct
7245 346303 72061 0 3 0x8000082 nanoslp syz-executor.2
31424 500109 72061 0 3 0x8000082 nanoslp syz-executor.3
3271 401337 72061 0 2 0x8000002 syz-executor.4
78700 21859 72061 0 3 0x8000082 nanoslp syz-executor.1
65791 315465 0 0 3 0x14280 nfsidl nfsio
89102 6612 0 0 3 0x14280 nfsidl nfsio
33410 458205 0 0 3 0x14280 nfsidl nfsio
63658 430463 0 0 3 0x14280 nfsidl nfsio
6713 263665 0 0 3 0x14280 nfsidl nfsio
77427 38797 0 0 3 0x14280 nfsidl nfsio
46779 342916 0 0 3 0x14280 nfsidl nfsio
81453 447312 0 0 3 0x14280 nfsidl nfsio
19099 305207 0 0 3 0x14280 nfsidl nfsio
47143 163404 0 0 3 0x14280 nfsidl nfsio
65766 337482 0 0 3 0x14280 nfsidl nfsio
16397 341702 0 0 3 0x14280 nfsidl nfsio
24093 67853 0 0 3 0x14280 nfsidl nfsio
74471 289759 0 0 3 0x14280 nfsidl nfsio
3187 235004 0 0 3 0x14280 nfsidl nfsio
81423 209743 0 0 3 0x14280 nfsidl nfsio
87858 306193 0 0 3 0x14280 nfsidl nfsio
8914 370928 0 0 3 0x14280 nfsidl nfsio
72126 464230 0 0 3 0x14280 nfsidl nfsio
85888 341046 0 0 3 0x14280 nfsidl nfsio
65036 193030 72061 0 3 0x8000082 nanoslp syz-executor.0
36366 245045 72061 0 3 0x8000082 nanoslp syz-executor.5
81171 100381 0 0 3 0x14200 bored sosplice
97376 306649 72061 0 3 0x8000082 nanoslp syz-executor.6
72061 505379 81435 0 3 0x1a000082 thrsleep syz-fuzzer
72061 278241 81435 0 2 0x1e000002 syz-fuzzer
72061 421368 81435 0 3 0x1e000082 wait syz-fuzzer
72061 361606 81435 0 3 0x1e000082 wait syz-fuzzer
72061 1801 81435 0 3 0x1e000082 wait syz-fuzzer
72061 324053 81435 0 3 0x1e000082 wait syz-fuzzer
72061 148872 81435 0 3 0x1e000082 thrsleep syz-fuzzer
72061 281230 81435 0 3 0x1e000082 thrsleep syz-fuzzer
72061 494488 81435 0 3 0x1e000082 kqread syz-fuzzer
72061 432151 81435 0 3 0x1e000082 thrsleep syz-fuzzer
72061 224395 81435 0 3 0x1e000082 wait syz-fuzzer
72061 440099 81435 0 3 0x1e000082 wait syz-fuzzer
72061 313155 81435 0 3 0x1e000082 wait syz-fuzzer
72061 129906 81435 0 3 0x1e000082 wait syz-fuzzer
81435 64436 92059 0 3 0x810008a sigsusp ksh
92059 286276 85973 0 3 0x1800009a kqread sshd
85973 453691 1 0 3 0x18000088 kqread sshd
*13728 79691 11638 73 7 0x19100010 syslogd
11638 278164 1 0 3 0x18100082 sbwait syslogd
40208 457802 1 0 3 0x18100080 kqread resolvd
81948 62565 48358 77 3 0x18100092 kqread dhcpleased
33164 20982 48358 77 3 0x18100092 kqread dhcpleased
48358 352292 1 0 3 0x18000080 kqread dhcpleased
74076 462861 0 0 3 0x14200 bored smr
66730 341985 0 0 2 0x14200 zerothread
82093 2489 0 0 3 0x14200 aiodoned aiodoned
15297 163559 0 0 3 0x14200 syncer update
93455 397697 0 0 3 0x14200 cleaner cleaner
97250 1340 0 0 3 0x14200 reaper reaper
83678 65542 0 0 3 0x14200 pgdaemon pagedaemon
28085 250571 0 0 3 0x14200 bored viomb
52346 415638 0 0 3 0x40014200 acpi0 acpi0
694 243453 0 0 3 0x14200 bored softnet3
61602 154214 0 0 3 0x14200 bored softnet2
76356 339128 0 0 3 0x14200 bored softnet1
76900 256988 0 0 3 0x14200 bored softnet0
22235 297022 0 0 3 0x14200 bored systqmp
78088 424009 0 0 3 0x14200 bored systq
68144 181935 0 0 3 0x40014200 tmoslp softclock
11822 255797 0 0 3 0x40014200 idle0
1 484312 0 0 3 0x8080082 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 10188 6485K 7007K 166960K 14895 0
pcb 15 18K 20K 166960K 359 0
rtable 222 8K 9K 166960K 956 0
pf 27 8K 10K 166960K 163 0
ifaddr 40 11K 12K 166960K 146 0
ifgroup 46 2K 2K 166960K 272 0
sysctl 3 0K 0K 166960K 3 0
counters 29 17K 17K 166960K 83 0
ioctlops 0 0K 2K 166960K 124 0
iov 0 0K 18K 166960K 158 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1422 89K 90K 166960K 3248 0
UFS quota 1 32K 32K 166960K 1 0
UFS mount 5 36K 36K 166960K 5 0
shm 2 1K 9K 166960K 55 0
VM map 2 1K 1K 166960K 2 0
sem 12 0K 1K 166960K 377 0
dirhash 12 2K 2K 166960K 54 0
ACPI 1697 195K 286K 166960K 12548 0
file desc 17 61K 77K 166960K 2307 0
sigio 0 0K 0K 166960K 38 0
proc 63 59K 91K 166960K 974 0
subproc 104 6K 6K 166960K 312 0
NFS srvsock 1 0K 0K 166960K 1 0
NFS daemon 1 16K 16K 166960K 1 0
ip_moptions 0 0K 0K 166960K 252 0
in_multi 88 6K 7K 166960K 307 0
ether_multi 1 0K 0K 166960K 11 0
mrt 1 0K 0K 166960K 10 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 743 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 327 179K 179K 166960K 22054 0
UVM aobj 131 4K 6K 166960K 143 0
pinsyscall 37 74K 100K 166960K 3780 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
ip6_options 0 0K 0K 166960K 128 0
NDP 10 0K 1K 166960K 106 0
temp 74 6804K 7440K 166960K 23213 0
kqueue 12 18K 28K 166960K 301 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 120 222 0 219 1 0 1 1 0 8 0
rtentry 112 292 0 191 4 0 4 4 0 8 0
unpcb 144 1753 0 1740 6 0 6 6 0 8 5
syncache 336 43 0 43 1 0 1 1 0 8 1
tcpqe 32 143 0 143 1 0 1 1 0 8 1
tcpcb 808 1295 0 1288 16 6 10 16 0 8 8
arp 88 59 0 42 1 0 1 1 0 8 0
ipq 40 2 0 1 1 0 1 1 0 8 0
ipqe 40 5 0 4 1 0 1 1 0 8 0
inpcb 360 3195 0 3184 25 14 11 15 0 8 8
nd6 104 69 0 46 1 0 1 1 0 8 0
pkpcb 40 17 0 17 1 0 1 1 0 8 1
kcovpl 48 21 0 13 1 0 1 1 0 8 0
ppxss 1072 11 0 11 1 0 1 1 0 8 1
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 1084 0 644 31 0 31 31 0 8 0
art_table 32 1085 0 644 4 0 4 4 0 8 0
art_node 16 287 0 195 1 0 1 1 0 8 0
sysvmsgpl 40 30 0 6 1 0 1 1 0 8 0
semapl 112 373 0 363 1 0 1 1 0 8 0
shmpl 112 140 0 12 4 0 4 4 0 8 0
dirhash 1024 45 0 28 3 0 3 3 0 8 0
dino2pl 256 5139 0 3635 95 0 95 95 0 8 0
ffsino 240 5139 0 3635 90 0 90 90 0 8 0
nchpl 144 8458 0 6727 66 0 66 66 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 28366 0 28366 2 0 2 2 0 8 2
vcpupl 2048 8 0 0 1 0 1 1 0 8 0
vmpool 664 9 0 1 1 0 1 1 0 8 0
kstatmem 264 128 0 108 2 0 2 2 0 8 0
scxspl 216 28848 0 28848 8 0 8 8 1 8 8
plimitpl 152 455 0 440 1 0 1 1 0 8 0
sigapl 424 2640 0 2574 8 0 8 8 0 8 0
futexpl 64 34915 0 34912 1 0 1 1 0 8 0
knotepl 120 22529 0 22445 11 0 11 11 0 8 7
kqueuepl 184 505 0 497 1 0 1 1 0 8 0
pipepl 288 411 0 383 7 0 7 7 0 8 4
fdescpl 432 2561 0 2533 4 0 4 4 0 8 0
filepl 120 16769 0 16528 14 0 14 14 0 8 4
lockfpl 104 717 0 715 1 0 1 1 0 8 0
lockfspl 48 237 0 235 1 0 1 1 0 8 0
sessionpl 144 38 0 22 1 0 1 1 0 8 0
pgrppl 48 58 0 42 1 0 1 1 0 8 0
ucredpl 104 2793 0 2780 1 0 1 1 0 8 0
zombiepl 144 2574 0 2574 1 0 1 1 0 8 1
processpl 1072 2640 0 2574 5 0 5 5 0 8 0
procpl 656 5285 0 5199 9 0 9 9 0 8 1
sosppl 168 65 0 65 1 0 1 1 0 8 1
sockpl 488 5240 0 5214 62 50 12 23 0 8 8
mcl64k 65536 52 0 52 1 0 1 1 0 8 1
mcl16k 16384 40 0 40 1 0 1 1 0 8 1
mcl12k 12288 105 0 105 1 0 1 1 0 8 1
mcl9k 9216 23 0 23 1 0 1 1 0 8 1
mcl8k 8192 175 0 175 1 0 1 1 0 8 1
mcl4k 4096 412 0 412 1 0 1 1 0 8 1
mcl2k2 2112 37 0 37 1 0 1 1 0 8 1
mcl2k 2048 32209 0 32129 34 15 19 29 0 8 5
mtagpl 96 283 0 182 4 0 4 4 0 8 0
mbufpl 256 86576 0 86308 225 193 32 70 0 8 8
bufpl 280 8549 0 2220 453 0 453 453 0 8 0
anonpl 24 472266 0 466344 84 0 84 84 0 188 28
amapchunkpl 152 73204 0 72552 41 0 41 41 0 158 12
amappl16 200 11901 0 11802 52 35 17 30 0 8 8
amappl15 192 12 0 12 1 0 1 1 0 8 1
amappl14 184 209 0 194 2 0 2 2 0 8 1
amappl13 176 15 0 14 1 0 1 1 0 8 0
amappl12 168 3428 0 3398 2 0 2 2 0 8 0
amappl11 160 64 0 53 1 0 1 1 0 8 0
amappl10 152 98 0 89 1 0 1 1 0 8 0
amappl9 144 189 0 188 1 0 1 1 0 8 0
amappl8 136 288 0 209 3 0 3 3 0 8 0
amappl7 128 47 0 36 1 0 1 1 0 8 0
amappl6 120 548 0 529 2 0 2 2 0 8 0
amappl5 112 228 0 216 1 0 1 1 0 8 0
amappl4 104 667 0 634 2 0 2 2 0 8 1
amappl3 96 14196 0 14116 3 0 3 3 0 8 0
amappl2 88 3195 0 3115 4 0 4 4 0 8 2
amappl1 80 18240 0 17747 22 3 19 22 0 8 8
amappl 88 21223 0 21022 6 0 6 6 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 72 142 0 12 3 0 3 3 0 8 0
uaddrrnd 24 2570 0 2534 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 2570 0 2534 1 0 1 1 0 8 0
vmmpekpl 168 20794 0 20730 4 0 4 4 0 8 0
vmmpepl 168 174911 0 172984 115 0 115 115 0 357 26
vmsppl 344 2569 0 2534 4 0 4 4 0 8 0
rwobjpl 24 55499 0 48357 45 0 45 45 0 8 1
pdppl 4096 5146 0 5076 192 120 72 74 0 8 2
pvpl 32 1109180 0 1097232 389 41 348 389 0 265 224
pmappl 216 2569 0 2534 3 0 3 3 0 8 1
extentpl 40 56 0 38 1 0 1 1 0 8 0
phpool 112 705 0 334 12 0 12 12 0 8 0
ddb> machine ddbcpu 0
No such command
ddb> trace
ffs2_balloc(fffffd806efb4f10,395b0,64,fffffd807f7d7680,1,ffff80002a6596d8) at ffs2_balloc+0x78e sys/ufs/ffs/ffs_balloc.c:614
ffs_write(ffff80002a659760) at ffs_write+0x3c7 sys/ufs/ffs/ffs_vnops.c:345
VOP_WRITE(fffffd807bd65708,ffff80002a659980,3,fffffd807f7d7680) at VOP_WRITE+0xc3 sys/kern/vfs_vops.c:245
vn_write(fffffd807e7740f8,ffff80002a659980,0) at vn_write+0x157 sys/kern/vfs_vnops.c:408
dofilewritev(ffff80002a62dc40,e,ffff80002a659980,0,ffff80002a659a40) at dofilewritev+0x1a9 sys/kern/sys_generic.c:375
sys_writev(ffff80002a62dc40,ffff80002a659af0,ffff80002a659a40) at sys_writev+0xab sys/kern/sys_generic.c:322
syscall(ffff80002a659af0) at syscall+0x72a sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x734e00b60230, count: -8
ddb> machine ddbcpu 1
No such command
ddb> trace
ffs2_balloc(fffffd806efb4f10,395b0,64,fffffd807f7d7680,1,ffff80002a6596d8) at ffs2_balloc+0x78e sys/ufs/ffs/ffs_balloc.c:614
ffs_write(ffff80002a659760) at ffs_write+0x3c7 sys/ufs/ffs/ffs_vnops.c:345
VOP_WRITE(fffffd807bd65708,ffff80002a659980,3,fffffd807f7d7680) at VOP_WRITE+0xc3 sys/kern/vfs_vops.c:245
vn_write(fffffd807e7740f8,ffff80002a659980,0) at vn_write+0x157 sys/kern/vfs_vnops.c:408
dofilewritev(ffff80002a62dc40,e,ffff80002a659980,0,ffff80002a659a40) at dofilewritev+0x1a9 sys/kern/sys_generic.c:375
sys_writev(ffff80002a62dc40,ffff80002a659af0,ffff80002a659a40) at sys_writev+0xab sys/kern/sys_generic.c:322
syscall(ffff80002a659af0) at syscall+0x72a sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x734e00b60230, count: -8