*cpu0: uvm_fault(0xffffee806c198d70, 0x98, 0, 1) -> e
ddb{1}> trace
proc_trampoline() at proc_trampoline+0xc7
end of kernel
end trace frame: 0x77196654dc20, count: -1
ddb{1}> show registers
rdi 0
rsi 0
rbp 0xffff80003c3f5c20
rbx 0
rdx 0
rcx 0xffff80003bbb94e0
rax 0x2a
r8 0xffff80003c3f5b50
r9 0x4
r10 0x8e0ed140a3e83a18
r11 0xf61383c01f8a2657
r12 0
r13 0
r14 0
r15 0
rip 0xffffffff820d44c7 proc_trampoline+0xc7
cs 0x8
rflags 0x246
rsp 0xffff80003c3f5ba0
ss 0
proc_trampoline+0xc7: movl $0,%gs:0x688
ddb{1}> show proc
PROC (syz-executor) tid=438436 pid=90380 tcnt=1 stat=onproc
flags process=0 proc=0
runpri=50, usrpri=50, slppri=17, nice=20
wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0
forw=0xffffffffffffffff, list=0xffff80003bbb82b8,0xffffffff83b41d08
process=0xffff80003bbd66a0 user=0xffff80003c3f0000, vmspace=0xffffee806c1987b8
estcpu=17, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0
ddb{1}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
*90380 438436 41998 0 7 0 syz-executor
86446 24446 58608 0 2 0 syz-executor
10909 450314 82875 0 2 0 syz-executor
10909 358422 82875 0 3 0x4000080 fsleep syz-executor
96825 171250 51272 0 2 0 syz-executor
96825 404173 51272 0 3 0x4000080 fsleep syz-executor
48625 274427 85782 0 2 0 syz-executor
48625 274096 85782 0 3 0x4000080 nanoslp syz-executor
48625 343773 85782 0 7 0x4000000 syz-executor
18145 498874 3060 0 2 0 syz-executor
18145 119023 3060 0 3 0x4000080 fsleep syz-executor
32117 421924 8898 0 3 0x3000 suspend syz-executor
32117 40691 8898 0 2 0x4081000 syz-executor
32117 354015 8898 0 3 0x4081000 inode syz-executor
41998 8117 49427 0 3 0x82 nanoslp syz-executor
5460 522163 49427 0 2 0x2 syz-executor
8898 179891 49427 0 3 0x82 wait syz-executor
3060 362686 49427 0 3 0x82 nanoslp syz-executor
82875 214991 49427 0 2 0xc82 syz-executor
85782 224145 49427 0 3 0x82 nanoslp syz-executor
51272 382414 49427 0 3 0x82 nanoslp syz-executor
58608 13366 49427 0 3 0x82 nanoslp syz-executor
49427 472442 87758 0 3 0x82 kqread syz-executor
87758 448280 39650 0 3 0x10008a sigsusp ksh
39650 136871 39408 0 3 0x98 kqread sshd-session
39408 13498 54761 0 3 0x92 kqread sshd-session
46318 204453 1 0 3 0x100083 ttyin getty
54761 230461 1 0 3 0x88 kqread sshd
33567 230197 96300 74 3 0x1100092 bpf pflogd
96300 127685 1 0 3 0x80 sbwait pflogd
62910 177216 43501 73 3 0x1100090 kqread syslogd
43501 476056 1 0 3 0x100082 sbwait syslogd
55955 347809 1 0 3 0x100080 kqread resolvd
55526 24926 99006 77 3 0x100092 kqread dhcpleased
87746 381826 99006 77 3 0x100092 kqread dhcpleased
99006 49803 1 0 3 0x80 kqread dhcpleased
15751 503004 0 0 3 0x14200 bored smr
66761 135822 0 0 2 0x14200 zerothread
36355 230161 0 0 3 0x14200 aiodoned aiodoned
26647 270413 0 0 3 0x14200 syncer update
34112 54497 0 0 3 0x14200 cleaner cleaner
6280 3016 0 0 3 0x14200 reaper reaper
54237 238858 0 0 3 0x14200 pgdaemon pagedaemon
271 459184 0 0 3 0x14200 bored viomb
37517 251925 0 0 3 0x40014200 acpi0 acpi0
43924 135533 0 0 3 0x40014200 idle1
85365 147279 0 0 3 0x14200 bored softnet1
34857 512142 0 0 3 0x14200 bored softnet0
42750 368548 0 0 3 0x14200 bored systqmp
1061 69487 0 0 3 0x14200 bored systq
43323 247776 0 0 3 0x14200 tmoslp softclockmp
42349 252461 0 0 3 0x40014200 tmoslp softclock
46246 399352 0 0 3 0x40014200 idle0
1 278531 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{1}> show all locks
CPU 1:
exclusive mutex &pmap->pm_mtx r = 0 (0xffffee80697fa210)
#0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1 mtx_enter+0x4b4 sys/kern/kern_lock.c:487
#2 pmap_extract+0x68 pmap_find_pte_direct sys/arch/amd64/amd64/pmap.c:476 [inline]
#2 pmap_extract+0x68 sys/arch/amd64/amd64/pmap.c:1584
#3 uvm_fault_lower_lookup+0x265 sys/uvm/uvm_fault.c:1239
#4 uvm_fault_lower+0x89 sys/uvm/uvm_fault.c:1334
#5 uvm_fault+0x274 sys/uvm/uvm_fault.c:-1
#6 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192
#7 usertrap+0x430 sys/arch/amd64/amd64/trap.c:640
#8 recall_trap+0x8
Process 90380 (syz-executor) thread 0xffff80003bbb94e0 (438436)
shared rwlock uobjlk r = 0 (0xffffee806d702410)
#0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1 rw_do_enter_read+0x3e8 sys/kern/kern_rwlock.c:413
#2 uvm_fault_lower_lookup+0x53 sys/uvm/uvm_fault.c:1204
#3 uvm_fault_lower+0x89 sys/uvm/uvm_fault.c:1334
#4 uvm_fault+0x274 sys/uvm/uvm_fault.c:-1
#5 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192
#6 usertrap+0x430 sys/arch/amd64/amd64/trap.c:640
#7 recall_trap+0x8
shared rwlock vmmaplk r = 0 (0xffffee806c1988b8)
#0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1 rw_do_enter_read+0x3e8 sys/kern/kern_rwlock.c:413
#2 uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1880
#3 uvm_fault_check+0x4f sys/uvm/uvm_fault.c:693
#4 uvm_fault+0x106 sys/uvm/uvm_fault.c:627
#5 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192
#6 usertrap+0x430 sys/arch/amd64/amd64/trap.c:640
#7 recall_trap+0x8
exclusive mutex &pmap->pm_mtx r = 0 (0xffffee80697fa210)
#0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1 mtx_enter+0x4b4 sys/kern/kern_lock.c:487
#2 pmap_extract+0x68 pmap_find_pte_direct sys/arch/amd64/amd64/pmap.c:476 [inline]
#2 pmap_extract+0x68 sys/arch/amd64/amd64/pmap.c:1584
#3 uvm_fault_lower_lookup+0x265 sys/uvm/uvm_fault.c:1239
#4 uvm_fault_lower+0x89 sys/uvm/uvm_fault.c:1334
#5 uvm_fault+0x274 sys/uvm/uvm_fault.c:-1
#6 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192
#7 usertrap+0x430 sys/arch/amd64/amd64/trap.c:640
#8 recall_trap+0x8
Process 48625 (syz-executor) thread 0xffff80003bbb9248 (343773)
exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83b2df00)
#0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1 syscall+0xaf4 mi_syscall sys/sys/syscall_mi.h:175 [inline]
#1 syscall+0xaf4 sys/arch/amd64/amd64/trap.c:783
#2 Xsyscall+0x128
Process 32117 (syz-executor) thread 0xffff80003bbb8020 (40691)
exclusive rrwlock inode r = 0 (0xffffee8068feed80)
#0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320
#2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621
#3 VOP_LOCK+0xbd sys/kern/vfs_vops.c:527
#4 vn_lock+0xa4 sys/kern/vfs_vnops.c:576
#5 vn_write+0x18f sys/kern/vfs_vnops.c:411
#6 dofilewritev+0x2bd sys/kern/sys_generic.c:384
#7 sys_write+0xa2 sys/kern/sys_generic.c:300
#8 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#8 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783
#9 Xsyscall+0x128
Process 5460 (syz-executor) thread 0xffff8000fffeed10 (522163)
exclusive rwlock vmmaplk r = 0 (0xffffee806c198118)
#0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320
#2 vm_map_lock_ln+0x12e sys/uvm/uvm_map.c:5171
#3 uvmspace_fork+0x12b sys/uvm/uvm_map.c:3752
#4 process_new+0x583 sys/kern/kern_fork.c:282
#5 fork1+0x3f6 sys/kern/kern_fork.c:-1
#6 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#6 syscall+0xb17 sys/arch/amd64/amd64/trap.c:783
#7 Xsyscall+0x128
exclusive rwlock vmmaplk r = 0 (0xffffee806f45d2f0)
#0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320
#2 vm_map_lock_ln+0x12e sys/uvm/uvm_map.c:5171
#3 uvmspace_fork+0x44 sys/uvm/uvm_map.c:3743
#4 process_new+0x583 sys/kern/kern_fork.c:282
#5 fork1+0x3f6 sys/kern/kern_fork.c:-1
#6 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#6 syscall+0xb17 sys/arch/amd64/amd64/trap.c:783
#7 Xsyscall+0x128
ddb{1}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 11060 12159K 12430K 166960K 12291 0
pcb 17 12K 12K 166960K 44 0
rtable 255 9K 9K 166960K 407 0
pf 34 17K 19K 166960K 55 0
ifaddr 43 7K 8K 166960K 53 0
ifgroup 55 2K 2K 166960K 68 0
sysctl 3 1K 9K 166960K 7 0
counters 70 37K 38K 166960K 86 0
ioctlops 0 0K 4K 166960K 1503 0
iov 0 0K 16K 166960K 6 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1290 81K 82K 166960K 1477 0
UFS quota 1 32K 32K 166960K 1 0
UFS mount 5 36K 36K 166960K 5 0
shm 2 1K 5K 166960K 3 0
VM map 2 1K 1K 166960K 2 0
sem 6 0K 0K 166960K 6 0
dirhash 12 2K 2K 166960K 12 0
ACPI 1692 195K 286K 166960K 12470 0
file desc 18 65K 89K 166960K 244 0
proc 71 115K 164K 166960K 565 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 17 0
in_multi 99 7K 7K 166960K 106 0
ether_multi 1 0K 0K 166960K 1 0
mrt 0 0K 0K 166960K 7 0
ISOFS mount 1 32K 32K 166960K 1 0
MSDOSFS mount 1 16K 16K 166960K 1 0
ttys 61 281K 281K 166960K 61 0
exec 0 0K 1K 166960K 404 0
fusefs mount 1 32K 32K 166960K 1 0
tdb 3 0K 0K 166960K 3 0
VM swap 8 62K 64K 166960K 10 0
UVM amap 227 167K 177K 166960K 4120 0
UVM aobj 8 2K 2K 166960K 8 0
pinsyscall 43 86K 102K 166960K 1440 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
ip6_options 0 0K 0K 166960K 11 0
NDP 12 0K 2K 166960K 32 0
temp 40 9115K 9175K 166960K 8415 0
kqueue 13 20K 28K 166960K 44 0
SYN cache 2 16K 16K 166960K 2 0
ddb{1}> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
plcache 128 26 0 0 1 0 1 1 0 8 0
rtpcb 120 50 0 47 1 0 1 1 0 8 0
rtentry 176 116 0 5 7 1 6 6 0 8 0
unpcb 144 89 0 72 1 0 1 1 0 8 0
syncache 336 5 0 5 1 1 0 1 0 8 0
tcpcb 736 43 0 39 1 0 1 1 0 8 0
arp 136 18 0 0 1 0 1 1 0 8 0
inpcb 328 162 0 153 2 0 2 2 0 8 0
nd6 152 25 0 0 1 0 1 1 0 8 0
kcovpl 48 8 0 0 1 0 1 1 0 8 0
ppxss 1192 6 0 6 1 1 0 1 0 8 0
pppxif 1576 2 0 2 1 1 0 1 0 8 0
pffrag 232 2 0 0 1 0 1 1 0 482 0
pffrnode 88 2 0 0 1 0 1 1 0 8 0
pffrent 40 4 0 1 1 0 1 1 0 8 0
pfosfp 40 1428 0 1005 5 0 5 5 0 8 0
pfosfpen 112 1428 0 714 21 0 21 21 0 8 0
pfstitem 24 32 0 0 1 0 1 1 0 8 0
pfstkey 128 32 0 0 2 0 2 2 0 8 0
pfstate 448 32 0 0 4 0 4 4 0 8 0
pfrule 1360 21 0 16 2 1 1 2 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 472 0 6 30 0 30 30 0 8 0
art_table 40 473 0 6 5 0 5 5 0 8 0
art_node 32 114 0 13 1 0 1 1 0 8 0
sysvmsgpl 40 1 0 0 1 0 1 1 0 8 0
semupl 112 1 0 1 1 1 0 1 0 8 0
semapl 72 4 0 0 1 0 1 1 0 8 0
shmpl 112 5 0 0 1 0 1 1 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 1797 0 332 93 0 93 93 0 8 0
ffsino 296 1797 0 332 114 0 114 114 0 8 0
nchpl 144 2136 0 437 64 0 64 64 0 8 0
vnodes 216 1937 0 0 108 0 108 108 0 8 0
namei 1024 7076 0 7076 2 1 1 2 0 8 1
percpumem 16 58 0 8 1 0 1 1 0 8 0
kstatmem 264 35 0 8 3 1 2 3 0 8 0
scsiplug 72 1 0 1 1 1 0 1 0 8 0
scxspl 216 8848 0 8848 3 2 1 2 1 8 1
plimitpl 152 38 0 20 1 0 1 1 0 8 0
sigapl 424 573 0 525 7 1 6 7 0 8 0
knotepl 120 278 0 0 9 0 9 9 0 8 0
kqueuepl 224 49 0 40 1 0 1 1 0 8 0
pipepl 344 136 0 107 3 0 3 3 0 8 0
fdescpl 528 557 0 525 3 0 3 3 0 8 0
filepl 160 2493 0 2273 14 3 11 14 0 8 0
lockfpl 104 189 0 186 2 1 1 2 0 8 0
lockfspl 48 38 0 35 1 0 1 1 0 8 0
sessionpl 144 27 0 18 1 0 1 1 0 8 0
pgrppl 48 39 0 22 1 0 1 1 0 8 0
ucredpl 104 282 0 269 1 0 1 1 0 8 0
zombiepl 144 544 0 543 1 0 1 1 0 8 0
processpl 1232 573 0 525 5 0 5 5 0 8 0
procpl 664 752 0 697 6 0 6 6 0 8 1
sockpl 752 303 0 274 6 1 5 5 0 8 1
mcl64k 65536 2 0 0 1 0 1 1 0 8 0
mcl12k 12288 1 0 0 1 0 1 1 0 8 0
mcl8k 8192 3 0 0 1 0 1 1 0 8 0
mcl4k 4096 125 0 0 16 0 16 16 0 8 0
mcl2k 2048 17 0 0 3 0 3 3 0 8 0
mtagpl 96 4 0 0 1 0 1 1 0 8 0
mbufpl 256 164 0 0 11 0 11 11 0 8 0
bufpl 280 3429 0 105 238 0 238 238 0 8 0
anonpl 32 9254 0 0 75 0 75 75 0 246 0
amapchunkpl 152 17992 0 17530 36 11 25 36 0 158 3
amappl16 200 1939 0 1712 24 11 13 20 0 8 0
amappl15 192 3 0 3 1 1 0 1 0 8 0
amappl14 184 462 0 461 1 0 1 1 0 8 0
amappl13 176 126 0 114 1 0 1 1 0 8 0
amappl12 168 812 0 783 2 0 2 2 0 8 0
amappl11 160 8 0 8 1 1 0 1 0 8 0
amappl10 152 69 0 54 1 0 1 1 0 8 0
amappl9 144 279 0 279 1 1 0 1 0 8 0
amappl8 136 112 0 110 1 0 1 1 0 8 0
amappl7 128 152 0 138 1 0 1 1 0 8 0
amappl6 120 158 0 157 1 0 1 1 0 8 0
amappl5 112 103 0 93 1 0 1 1 0 8 0
amappl4 104 364 0 343 1 0 1 1 0 8 0
amappl3 96 2225 0 2122 4 0 4 4 0 8 0
amappl2 88 565 0 498 2 0 2 2 0 8 0
amappl1 80 10965 0 10369 14 0 14 14 0 8 0
amappl 88 3348 0 3193 5 0 5 5 0 92 0
uvmvnodes 80 107 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 128 253 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 7 0 0 1 0 1 1 0 8 0
uaddrrnd 24 558 0 526 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 558 0 526 1 0 1 1 0 8 0
vmmpekpl 168 6543 0 6508 2 0 2 2 0 8 0
vmmpepl 168 44648 0 42557 101 6 95 101 0 357 0
vmsppl 488 557 0 526 5 1 4 5 0 8 0
rwobjpl 80 15997 0 14762 29 3 26 29 0 8 0
pdppl 4096 1123 0 1052 103 32 71 83 0 8 0
pvpl 32 16407 0 0 133 0 133 133 0 265 0
pmappl 256 557 0 526 3 0 3 3 0 8 0
extentpl 40 45 0 27 1 0 1 1 0 8 0
phpool 112 278 0 37 8 0 8 8 0 8 0
ddb{1}> machine ddbcpu 0
Stopped at x86_ipi_db+0x27: addq $0x8,%rsp
x86_ipi_db(ffffffff83976ff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394
x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27
x86_bus_space_io_read_1(3f8,5) at x86_bus_space_io_read_1+0x37 sys/arch/amd64/amd64/bus_space.c:670
comcnputc(800,3e) at comcnputc+0xd0 comcn_read_reg sys/dev/ic/com.c:1671 [inline]
comcnputc(800,3e) at comcnputc+0xd0 sys/dev/ic/com.c:1264
cnputc(3e) at cnputc+0x67 sys/dev/cons.c:218
db_putchar(3e) at db_putchar+0x36d sys/ddb/db_output.c:155
kprintf() at kprintf+0x29c5 sys/kern/subr_prf.c:-1
db_printf(ffffffff8345e755) at db_printf+0x9b sys/kern/subr_prf.c:-1
fault(ffffffff8351d23d) at fault+0xa7 sys/arch/amd64/amd64/trap.c:161
kpageflttrap(ffff80003c3ef420,98) at kpageflttrap+0x37d sys/arch/amd64/amd64/trap.c:296
kerntrap(ffff80003c3ef420) at kerntrap+0x19d sys/arch/amd64/amd64/trap.c:528
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
dovutimens(ffff80003bbb9248,ffffee80659e1018,ffff80003c3ef600) at dovutimens+0x368 sys/kern/vfs_syscalls.c:2690
end trace frame: 0xffff80003c3ef670, count: 0
ddb{0}> trace
x86_ipi_db(ffffffff83976ff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394
x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27
x86_bus_space_io_read_1(3f8,5) at x86_bus_space_io_read_1+0x37 sys/arch/amd64/amd64/bus_space.c:670
comcnputc(800,3e) at comcnputc+0xd0 comcn_read_reg sys/dev/ic/com.c:1671 [inline]
comcnputc(800,3e) at comcnputc+0xd0 sys/dev/ic/com.c:1264
cnputc(3e) at cnputc+0x67 sys/dev/cons.c:218
db_putchar(3e) at db_putchar+0x36d sys/ddb/db_output.c:155
kprintf() at kprintf+0x29c5 sys/kern/subr_prf.c:-1
db_printf(ffffffff8345e755) at db_printf+0x9b sys/kern/subr_prf.c:-1
fault(ffffffff8351d23d) at fault+0xa7 sys/arch/amd64/amd64/trap.c:161
kpageflttrap(ffff80003c3ef420,98) at kpageflttrap+0x37d sys/arch/amd64/amd64/trap.c:296
kerntrap(ffff80003c3ef420) at kerntrap+0x19d sys/arch/amd64/amd64/trap.c:528
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
dovutimens(ffff80003bbb9248,ffffee80659e1018,ffff80003c3ef600) at dovutimens+0x368 sys/kern/vfs_syscalls.c:2690
sys_futimes(ffff80003bbb9248,ffff80003c3ef750,ffff80003c3ef6a0) at sys_futimes+0x208 sys/kern/vfs_syscalls.c:2732
syscall(ffff80003c3ef750) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80003c3ef750) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xfd809c18af0, count: -17
ddb{0}> machine ddbcpu 1
Stopped at proc_trampoline+0xc7: movl $0,%gs:0x688
proc_trampoline() at proc_trampoline+0xc7
end of kernel
end trace frame: 0x77196654dc20, count: 14
ddb{1}> trace
proc_trampoline() at proc_trampoline+0xc7
end of kernel
end trace frame: 0x77196654dc20, count: -1