uvm_fault(0xfffffd806cb405d0, 0x70, 0, 1) -> e
fatal page fault in supervisor mode
trap type 6 code 0 rip ffffffff812784d8 cs 8 rflags 10246 cr2 70 cpl 0 rsp ffff8000314c9740
gsbase 0xffffffff83860ff0 kgsbase 0x0
panic: trap type 6, code=0, pc=ffffffff812784d8
Starting stack trace...
panic(ffffffff83443f52) at panic+0x1ba sys/kern/subr_prf.c:229
kerntrap(ffff8000314c9690) at kerntrap+0x2fb
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
dovutimens(ffff80003acff778,fffffd8074d23388,ffff8000314c9850) at dovutimens+0x368 sys/kern/vfs_syscalls.c:2771
sys_futimens(ffff80003acff778,ffff8000314c9990,ffff8000314c98e0) at sys_futimens+0xb3 sys/kern/vfs_syscalls.c:2847
syscall(ffff8000314c9990) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff8000314c9990) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x85925bf25e0, count: 250
End of stack trace.
WARNING: SPL NOT LOWERED ON SYSCALL 86 786197680 EXIT 0 3
Stopped at savectx+0xae: movl $0,%gs:0x688
TID PID UID PRFLAGS PFLAGS CPU COMMAND
*108558 94136 0 0x100003 0 0 getty
savectx() at savectx+0xae
end of kernel
end trace frame: 0x78172edc6cf8, count: 14
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> set $lines = 0
ddb> set $maxwidth = 0
ddb> show panic
*cpu0: uvm_fault(0xfffffd806cb405d0, 0x70, 0, 1) -> e
ddb> trace
savectx() at savectx+0xae
end of kernel
end trace frame: 0x78172edc6cf8, count: -1
ddb> show registers
rdi 0
rsi 0
rbp 0xffff80002a7991d0
rbx 0
rdx 0
rcx 0
rax 0x3a
r8 0xffff80002a799100
r9 0xffff80002a798de0
r10 0xb2ecfb093ff81304
r11 0x1ded48bf553a3507
r12 0
r13 0
r14 0xffff80002a783768
r15 0
rip 0xffffffff82c2e3ee savectx+0xae
cs 0x8
rflags 0x46
rsp 0xffff80002a799150
ss 0x10
savectx+0xae: movl $0,%gs:0x688
ddb> show proc
PROC (getty) tid=108558 pid=94136 tcnt=1 stat=onproc
flags process=100003<CONTROLT,EXEC,PLEDGE> proc=0
runpri=50, usrpri=50, slppri=25, nice=20
wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0
forw=0xffffffffffffffff, list=0xffff80002a7822a8,0xffff80002a783248
process=0xffff80002a7afa90 user=0xffff80002a794000, vmspace=0xfffffd807ecdeb80
estcpu=0, cpticks=1, pctcpu=0.0, user=0, sys=0, intr=0
ddb> ps
PID TID PPID UID S FLAGS WAIT COMMAND
88943 432326 68535 0 2 0 syz-executor
88943 449726 68535 0 3 0x4000080 fsleep syz-executor
16530 288071 9556 0 2 0 syz-executor
16530 61345 9556 0 3 0x4000080 fsleep syz-executor
83849 446323 9190 -1 2 0x10 syz-executor
83849 81416 9190 -1 2 0x4000010 syz-executor
83849 107728 9190 -1 3 0x4000090 fsleep syz-executor
83542 273220 13261 0 2 0 syz-executor
83542 374931 13261 0 3 0x4000080 fsleep syz-executor
83542 9505 13261 0 3 0x4000080 fsleep syz-executor
83542 172636 13261 0 2 0x4000000 syz-executor
44029 169211 70549 0 2 0 syz-executor
44029 224992 70549 0 2 0x4000000 syz-executor
38402 282470 19103 0 2 0 syz-executor
38402 442151 19103 0 2 0x4000000 syz-executor
38402 28477 19103 0 3 0x4000080 fsleep syz-executor
38402 149855 19103 0 2 0x4000000 syz-executor
54693 1154 75881 0 2 0 syz-executor
54693 358357 75881 0 3 0x4000000 netlock syz-executor
54693 378204 75881 0 2 0x4000000 syz-executor
9190 381491 79016 0 2 0x2 syz-executor
9556 265627 79016 0 2 0x2 syz-executor
75881 331199 79016 0 2 0x2 syz-executor
70549 257388 79016 0 2 0x2 syz-executor
19103 227566 79016 0 2 0x2 syz-executor
68535 195272 79016 0 2 0x2 syz-executor
99852 116355 79016 0 2 0x2 syz-executor
13261 273809 79016 0 2 0x2 syz-executor
79016 305014 46301 0 3 0x82 kqread syz-executor
46301 361376 26340 0 3 0x10008a sigsusp ksh
26340 23882 59042 0 3 0x98 kqread sshd-session
59042 153716 77979 0 3 0x92 kqread sshd-session
*94136 108558 1 0 7 0x100003 getty
77979 1258 1 0 3 0x88 kqread sshd
13435 171598 25214 73 3 0x1100090 kqread syslogd
25214 254441 1 0 3 0x100082 sbwait syslogd
63976 473669 1 0 3 0x100080 kqread resolvd
39897 68076 50593 77 3 0x100092 kqread dhcpleased
56901 282905 50593 77 3 0x100092 kqread dhcpleased
50593 355779 1 0 3 0x80 kqread dhcpleased
2245 54621 0 0 3 0x14200 bored smr
34831 474548 0 0 2 0x14200 zerothread
41342 173981 0 0 3 0x14200 aiodoned aiodoned
47363 310496 0 0 2 0x14200 update
4228 506576 0 0 3 0x14200 cleaner cleaner
27446 114133 0 0 3 0x14200 reaper reaper
40104 429100 0 0 3 0x14200 pgdaemon pagedaemon
66753 111172 0 0 3 0x14200 bored viomb
8162 455779 0 0 3 0x40014200 acpi0 acpi0
43851 252168 0 0 3 0x14200 netlock softnet0
56119 521124 0 0 3 0x14200 bored systqmp
23902 457230 0 0 3 0x14200 bored systq
43449 198560 0 0 3 0x40014200 netlock softclock
14078 82248 0 0 3 0x40014200 idle0
1 288088 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 11040 12130K 13230K 166960K 12819 0
pcb 17 16K 18K 166960K 198 0
rtable 229 6K 7K 166960K 524 0
pf 32 13K 17K 166960K 50 0
ifaddr 42 7K 7K 166960K 55 0
ifgroup 50 2K 2K 166960K 67 0
sysctl 3 1K 9K 166960K 7 0
counters 33 17K 18K 166960K 41 0
ioctlops 0 0K 4K 166960K 75 0
iov 0 0K 12K 166960K 15 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1417 89K 90K 166960K 1747 0
UFS quota 1 32K 32K 166960K 1 0
UFS mount 5 36K 36K 166960K 5 0
shm 3 5K 5K 166960K 4 0
VM map 2 1K 1K 166960K 2 0
sem 12 0K 1K 166960K 25 0
dirhash 12 2K 2K 166960K 15 0
ACPI 1692 195K 286K 166960K 12470 0
file desc 18 65K 81K 166960K 444 0
sigio 0 0K 0K 166960K 3 0
proc 60 59K 100K 166960K 518 0
subproc 72 4K 4K 166960K 72 0
NFS srvsock 1 0K 0K 166960K 1 0
NFS daemon 1 16K 16K 166960K 1 0
ip_moptions 0 0K 0K 166960K 22 0
in_multi 99 7K 7K 166960K 104 0
ether_multi 1 0K 0K 166960K 1 0
mrt 0 0K 0K 166960K 11 0
ISOFS mount 1 32K 32K 166960K 1 0
MSDOSFS mount 1 16K 16K 166960K 1 0
ttys 55 254K 254K 166960K 55 0
exec 0 0K 1K 166960K 405 0
fusefs mount 1 32K 32K 166960K 1 0
pfkey data 0 0K 0K 166960K 1 0
tdb 3 0K 0K 166960K 3 0
VM swap 8 62K 64K 166960K 10 0
UVM amap 227 151K 168K 166960K 5824 0
UVM aobj 6 2K 2K 166960K 6 0
pinsyscall 39 78K 90K 166960K 1565 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
ip6_options 0 0K 0K 166960K 22 0
NDP 11 0K 2K 166960K 34 0
temp 38 9063K 9127K 166960K 17269 0
kqueue 14 22K 28K 166960K 100 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 58 0 55 1 0 1 1 0 8 0
rtentry 136 116 0 14 4 0 4 4 0 8 0
unpcb 144 291 0 276 5 4 1 5 0 8 0
syncache 336 6 0 6 1 1 0 1 0 8 0
tcpcb 736 198 0 194 4 3 1 4 0 8 0
arp 96 19 0 0 1 0 1 1 0 8 0
ipq 40 6 0 2 1 0 1 1 0 8 0
ipqe 40 8 0 4 1 0 1 1 0 8 0
inpcb 328 645 0 636 9 7 2 9 0 8 0
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 25 0 1 1 0 1 1 0 8 0
pkpcb 40 2 0 2 1 1 0 1 0 8 0
kcovpl 48 8 0 0 1 0 1 1 0 8 0
ppxss 1072 7 0 7 2 1 1 1 0 8 1
pppxif 1416 1 0 1 1 0 1 1 0 8 1
pfstscr 40 1 0 0 1 0 1 1 0 8 0
pfstitem 24 4 0 0 1 0 1 1 0 8 0
pfstkey 128 7 0 4 1 0 1 1 0 8 0
pfstate 384 5 0 2 1 0 1 1 0 8 0
pfrule 1360 1 0 1 1 1 0 1 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 499 0 55 30 1 29 29 0 8 0
art_table 40 500 0 55 5 0 5 5 0 8 0
art_node 32 116 0 25 1 0 1 1 0 8 0
sysvmsgpl 40 3 0 3 2 1 1 1 0 8 1
semupl 112 2 0 2 1 1 0 1 0 8 0
semapl 112 21 0 11 1 0 1 1 0 8 0
shmpl 112 3 0 0 1 0 1 1 0 8 0
dirhash 1024 19 0 2 3 0 3 3 0 8 0
dino2pl 256 2107 0 652 92 0 92 92 0 8 0
ffsino 256 2107 0 652 92 0 92 92 0 8 0
nchpl 144 2709 0 1018 64 0 64 64 0 8 0
vnodes 216 2467 0 0 138 0 138 138 0 8 0
namei 1024 8447 0 8445 3 2 1 2 0 8 0
kstatmem 264 36 0 14 2 0 2 2 0 8 0
acpiwqpl 32 1 0 1 1 0 1 1 1 8 1
scsiplug 72 2 0 2 1 1 0 1 0 8 0
scxspl 216 9581 0 9579 9 1 8 8 1 8 7
plimitpl 152 60 0 41 1 0 1 1 0 8 0
sigapl 424 743 0 700 6 1 5 6 0 8 0
knotepl 120 14990 0 14941 17 8 9 10 0 8 6
kqueuepl 184 110 0 100 1 0 1 1 0 8 0
pipepl 304 139 0 111 3 0 3 3 0 8 0
fdescpl 448 730 0 700 4 0 4 4 0 8 0
filepl 120 3802 0 3582 14 6 8 14 0 8 1
lockfpl 104 175 0 173 2 1 1 2 0 8 0
lockfspl 48 23 0 21 1 0 1 1 0 8 0
sessionpl 144 30 0 22 1 0 1 1 0 8 0
pgrppl 48 39 0 23 1 0 1 1 0 8 0
ucredpl 104 381 0 367 1 0 1 1 0 8 0
zombiepl 144 723 0 723 2 1 1 1 0 8 1
processpl 1152 743 0 700 4 0 4 4 0 8 0
procpl 664 1192 0 1136 5 0 5 5 0 8 0
sosppl 176 9 0 9 2 1 1 1 0 8 1
sockpl 552 1002 0 975 10 6 4 10 0 8 1
mcl64k 65536 48 0 47 1 0 1 1 0 8 0
mcl16k 16384 11 0 11 1 1 0 1 0 8 0
mcl12k 12288 4 0 4 1 1 0 1 0 8 0
mcl9k 9216 4 0 4 1 0 1 1 0 8 1
mcl8k 8192 27 0 27 2 1 1 1 0 8 1
mcl4k 4096 2976 0 2922 15 7 8 15 0 8 0
mcl2k 2048 401 0 399 3 2 1 3 0 8 0
mtagpl 96 7 0 6 1 0 1 1 0 8 0
mbufpl 256 7957 0 7799 16 1 15 16 0 8 0
bufpl 280 3012 0 105 208 0 208 208 0 8 0
anonpl 24 119396 0 116196 41 9 32 33 0 187 10
amapchunkpl 152 23941 0 23443 37 15 22 35 0 158 2
amappl16 200 1634 0 1604 4 1 3 4 0 8 0
amappl15 192 8 0 8 1 1 0 1 0 8 0
amappl14 184 414 0 413 1 0 1 1 0 8 0
amappl13 176 117 0 107 1 0 1 1 0 8 0
amappl12 168 985 0 957 2 0 2 2 0 8 0
amappl11 160 14 0 14 1 1 0 1 0 8 0
amappl10 152 59 0 48 1 0 1 1 0 8 0
amappl9 144 261 0 260 1 0 1 1 0 8 0
amappl8 136 105 0 104 1 0 1 1 0 8 0
amappl7 128 145 0 133 1 0 1 1 0 8 0
amappl6 120 158 0 156 1 0 1 1 0 8 0
amappl5 112 101 0 94 1 0 1 1 0 8 0
amappl4 104 272 0 256 1 0 1 1 0 8 0
amappl3 96 3436 0 3318 4 0 4 4 0 8 1
amappl2 88 560 0 505 2 0 2 2 0 8 0
amappl1 80 11760 0 11218 15 2 13 15 0 8 0
amappl 88 5061 0 4896 5 0 5 5 0 92 0
uvmvnodes 80 101 0 0 3 0 3 3 0 8 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 128 255 0 255 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 5 0 0 1 0 1 1 0 8 0
uaddrrnd 24 730 0 700 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 730 0 700 1 0 1 1 0 8 0
vmmpekpl 168 7658 0 7627 2 0 2 2 0 8 0
vmmpepl 168 54562 0 52759 94 12 82 92 0 357 1
vmsppl 368 729 0 700 4 1 3 4 0 8 0
rwobjpl 40 17568 0 16605 12 0 12 12 0 8 0
pdppl 4096 1466 0 1400 98 32 66 74 0 8 0
pvpl 32 322483 0 313930 104 16 88 100 0 265 5
pmappl 216 729 0 700 2 0 2 2 0 8 0
extentpl 40 45 0 27 1 0 1 1 0 8 0
phpool 112 374 0 55 10 0 10 10 0 8 0
ddb> machine ddbcpu 0
No such command
ddb> trace
savectx() at savectx+0xae
end of kernel
end trace frame: 0x78172edc6cf8, count: -1
ddb> machine ddbcpu 1
No such command
ddb> trace
savectx() at savectx+0xae
end of kernel
end trace frame: 0x78172edc6cf8, count: -1