login: uvm_fault(0xffffffff8396e8e0, 0xffff800029ef5000, 0, 1) -> e
kernel: page fault trap, code=0
Stopped at pvclock_get+0x53: movl 0(%r15),%r12d
TID PID UID PRFLAGS PFLAGS CPU COMMAND
*172326 3975 0 0 0x4000000 0 syz-executor
pvclock_get(ffffffff838ae100) at pvclock_get+0x53 pvclock_read_begin sys/dev/pv/pvclock.c:278 [inline]
pvclock_get(ffffffff838ae100) at pvclock_get+0x53 sys/dev/pv/pvclock.c:333
nsecuptime() at nsecuptime+0x62 tc_delta sys/kern/kern_tc.c:138 [inline]
nsecuptime() at nsecuptime+0x62 binuptime sys/kern/kern_tc.c:191 [inline]
nsecuptime() at nsecuptime+0x62 sys/kern/kern_tc.c:257
clockintr_dispatch(ffff80003a8f16e0) at clockintr_dispatch+0xe8 sys/kern/kern_clockintr.c:180
lapic_clockintr(0,0) at lapic_clockintr+0x43 sys/arch/amd64/amd64/lapic.c:482
Xresume_lapic_ltimer() at Xresume_lapic_ltimer+0x2a
__sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x84 kd_claim sys/dev/kcov.c:632 [inline]
__sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x84 sys/dev/kcov.c:157
uvm_pmr_freepageq(ffff80003a8f1808) at uvm_pmr_freepageq+0xb5 sys/uvm/uvm_pmemrange.c:1370
uvm_obj_free(fffffd805fa73bd0) at uvm_obj_free+0xfe sys/uvm/uvm_object.c:241
buf_dealloc_mem(fffffd805fa73b10) at buf_dealloc_mem+0x14e sys/kern/vfs_biomem.c:179
buf_put(fffffd805fa73b10) at buf_put+0x1d9 sys/kern/vfs_bio.c:123
brelse(fffffd805fa73b10) at brelse+0x397 sys/kern/vfs_bio.c:932
writedisklabel(d02,ffffffff82802f80,ffff800000039000) at writedisklabel+0x1b8 sys/arch/amd64/amd64/disksubr.c:158
sdioctl(d02,84946467,ffff8000015eb800,3,ffff80002f0c0d10) at sdioctl+0x959 sys/scsi/sd.c:921
VOP_IOCTL(fffffd806c19b450,84946467,ffff8000015eb800,3,fffffd8007ffd5b0,ffff80002f0c0d10) at VOP_IOCTL+0xa3 sys/kern/vfs_vops.c:264
end trace frame: 0xffff80003a8f1bd0, count: 0
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(0xffffffff8396e8e0, 0xffff800029ef5000, 0, 1) -> e
ddb> trace
pvclock_get(ffffffff838ae100) at pvclock_get+0x53 pvclock_read_begin sys/dev/pv/pvclock.c:278 [inline]
pvclock_get(ffffffff838ae100) at pvclock_get+0x53 sys/dev/pv/pvclock.c:333
nsecuptime() at nsecuptime+0x62 tc_delta sys/kern/kern_tc.c:138 [inline]
nsecuptime() at nsecuptime+0x62 binuptime sys/kern/kern_tc.c:191 [inline]
nsecuptime() at nsecuptime+0x62 sys/kern/kern_tc.c:257
clockintr_dispatch(ffff80003a8f16e0) at clockintr_dispatch+0xe8 sys/kern/kern_clockintr.c:180
lapic_clockintr(0,0) at lapic_clockintr+0x43 sys/arch/amd64/amd64/lapic.c:482
Xresume_lapic_ltimer() at Xresume_lapic_ltimer+0x2a
__sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x84 kd_claim sys/dev/kcov.c:632 [inline]
__sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x84 sys/dev/kcov.c:157
uvm_pmr_freepageq(ffff80003a8f1808) at uvm_pmr_freepageq+0xb5 sys/uvm/uvm_pmemrange.c:1370
uvm_obj_free(fffffd805fa73bd0) at uvm_obj_free+0xfe sys/uvm/uvm_object.c:241
buf_dealloc_mem(fffffd805fa73b10) at buf_dealloc_mem+0x14e sys/kern/vfs_biomem.c:179
buf_put(fffffd805fa73b10) at buf_put+0x1d9 sys/kern/vfs_bio.c:123
brelse(fffffd805fa73b10) at brelse+0x397 sys/kern/vfs_bio.c:932
writedisklabel(d02,ffffffff82802f80,ffff800000039000) at writedisklabel+0x1b8 sys/arch/amd64/amd64/disksubr.c:158
sdioctl(d02,84946467,ffff8000015eb800,3,ffff80002f0c0d10) at sdioctl+0x959 sys/scsi/sd.c:921
VOP_IOCTL(fffffd806c19b450,84946467,ffff8000015eb800,3,fffffd8007ffd5b0,ffff80002f0c0d10) at VOP_IOCTL+0xa3 sys/kern/vfs_vops.c:264
vn_ioctl(fffffd8064362ae0,84946467,ffff8000015eb800,ffff80002f0c0d10) at vn_ioctl+0xea sys/kern/vfs_vnops.c:531
sys_ioctl(ffff80002f0c0d10,ffff80003a8f1db0,ffff80003a8f1d00) at sys_ioctl+0x660 sys/kern/sys_generic.c:-1
syscall(ffff80003a8f1db0) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80003a8f1db0) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x55ddc5fe150, count: -18
ddb> show registers
rdi 0xffffffff
rsi 0xd
rbp 0xffff80003a8f15d0
rbx 0x3
rdx 0xffff8000015aecc0
rcx 0
rax 0xc
r8 0
r9 0
r10 0
r11 0xa5a9ebc617038eb9
r12 0x16e3 __ALIGN_SIZE+0x6e3
r13 0xffffffff838d82f0 th0
r14 0xffffffff838ae100 pvclock_timecounter
r15 0xffff800029ef5000
rip 0xffffffff820efeb3 pvclock_get+0x53
cs 0x8
rflags 0x10246 __ALIGN_SIZE+0xf246
rsp 0xffff80003a8f1580
ss 0x10
pvclock_get+0x53: movl 0(%r15),%r12d
ddb> show proc
PROC (syz-executor) tid=172326 pid=3975 tcnt=2 stat=onproc
flags process=0 proc=4000000<THREAD>
runpri=32, usrpri=50, slppri=32, nice=20
wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0
forw=0xffffffffffffffff, list=0xffff80002f0c1a08,0xffffffff83926818
process=0xffff8000ffffb618 user=0xffff80003a8ec000, vmspace=0xfffffd806ccdd740
estcpu=36, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0
ddb> ps
PID TID PPID UID S FLAGS WAIT COMMAND
3975 317658 14433 0 2 0 syz-executor
* 3975 172326 14433 0 7 0x4000000 syz-executor
76390 366330 93358 0 2 0 syz-executor
76390 252030 93358 0 3 0x4000080 fsleep syz-executor
78136 146308 38602 0 2 0 syz-executor
78136 14240 38602 0 3 0x4000080 fsleep syz-executor
18019 482659 55741 0 2 0 syz-executor
18019 240084 55741 0 3 0x4000080 fsleep syz-executor
18019 444886 55741 0 3 0x4000080 fsleep syz-executor
14001 49480 48112 0 3 0x80 nanoslp syz-executor
14001 81271 48112 0 3 0x4000080 kqread syz-executor
14001 236855 48112 0 3 0x4000080 fsleep syz-executor
25737 409543 1 0 3 0x100083 ttyin getty
55741 50517 65632 0 3 0x82 nanoslp syz-executor
41767 473734 65632 0 3 0x82 wait syz-executor
68800 329245 65632 0 3 0x82 wait syz-executor
48112 321464 65632 0 3 0x82 nanoslp syz-executor
38602 205862 65632 0 3 0x82 nanoslp syz-executor
93358 206230 65632 0 3 0x82 nanoslp syz-executor
14433 402567 65632 0 3 0x82 nanoslp syz-executor
10678 54989 65632 0 2 0x2 syz-executor
65632 131838 1330 0 3 0x82 kqread syz-executor
1330 321024 75889 0 3 0x10008a sigsusp ksh
75889 139818 27244 0 3 0x98 kqread sshd-session
27244 155003 66083 0 3 0x92 kqread sshd-session
66083 346875 1 0 3 0x88 kqread sshd
36930 288321 86058 73 3 0x1100090 kqread syslogd
86058 248581 1 0 3 0x100082 sbwait syslogd
39338 159005 1 0 3 0x100080 kqread resolvd
40147 124940 56140 77 3 0x100092 kqread dhcpleased
49098 225183 56140 77 3 0x100092 kqread dhcpleased
56140 93503 1 0 3 0x80 kqread dhcpleased
12694 466649 0 0 3 0x14200 bored smr
82196 59929 0 0 2 0x14200 zerothread
50365 42958 0 0 3 0x14200 aiodoned aiodoned
36352 200718 0 0 3 0x14200 syncer update
43068 168159 0 0 3 0x14200 cleaner cleaner
10195 453697 0 0 3 0x14200 reaper reaper
1821 459016 0 0 3 0x14200 pgdaemon pagedaemon
81814 211207 0 0 3 0x14200 bored viomb
81620 46092 0 0 3 0x40014200 acpi0 acpi0
16780 263051 0 0 3 0x14200 bored softnet0
42637 98697 0 0 3 0x14200 bored systqmp
48382 130452 0 0 3 0x14200 bored systq
35891 58438 0 0 3 0x40014200 tmoslp softclock
3735 297926 0 0 3 0x40014200 idle0
1 457329 0 0 3 0x82 wait init
0 0 -1 0 3 0x10010200 scheduler swapper
ddb> show all locks
No such command
ddb> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 11045 12136K 12649K 166960K 15168 0
pcb 17 12K 12K 166960K 481 0
rtable 58 11K 15K 166960K 515 0
pf 33 13K 19K 166960K 85 0
ifaddr 19 1K 8K 166960K 64 0
ifgroup 50 2K 2K 166960K 91 0
sysctl 4 1K 9K 166960K 18 0
counters 33 17K 18K 166960K 54 0
ioctlops 1 2K 4K 166960K 627 0
iov 0 0K 12K 166960K 17 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1327 83K 84K 166960K 3806 0
UFS quota 1 32K 32K 166960K 1 0
UFS mount 5 36K 36K 166960K 5 0
shm 2 1K 5K 166960K 9 0
VM map 2 1K 1K 166960K 2 0
sem 12 0K 1K 166960K 294 0
dirhash 12 2K 2K 166960K 45 0
ACPI 1692 195K 286K 166960K 12470 0
file desc 17 61K 89K 166960K 2252 0
sigio 0 0K 0K 166960K 3 0
proc 60 59K 108K 166960K 529 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 171 0
in_multi 11 0K 8K 166960K 119 0
ether_multi 1 0K 0K 166960K 1 0
mrt 0 0K 0K 166960K 18 0
ISOFS mount 1 32K 32K 166960K 1 0
MSDOSFS mount 1 16K 16K 166960K 1 0
ttys 85 387K 387K 166960K 85 0
exec 0 0K 1K 166960K 509 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 224 160K 180K 166960K 20571 0
UVM aobj 12 2K 2K 166960K 15 0
pinsyscall 38 76K 92K 166960K 3364 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
ip6_options 2 0K 1K 166960K 180 0
NDP 11 0K 2K 166960K 38 0
temp 87 9072K 9148K 166960K 33147 0
kqueue 13 20K 26K 166960K 110 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 120 177 0 173 1 0 1 1 0 8 0
rtentry 136 140 0 129 4 0 4 4 0 8 1
unpcb 144 1267 0 1252 6 0 6 6 0 8 5
syncache 336 7 0 7 1 0 1 1 0 8 1
tcpqe 32 1 0 1 1 0 1 1 0 8 1
tcpcb 736 958 0 950 4 0 4 4 0 8 2
arp 96 18 0 16 1 0 1 1 0 8 0
ipq 40 2 0 0 1 0 1 1 0 8 0
ipqe 40 2 0 0 1 0 1 1 0 8 0
inpcb 328 1935 0 1923 4 0 4 4 0 8 2
nd6 112 31 0 31 1 0 1 1 0 8 1
kcovpl 48 8 0 0 1 0 1 1 0 8 0
ppxss 1072 14 0 14 1 0 1 1 0 8 1
pppxif 1416 3 0 3 1 0 1 1 0 8 1
pfstscr 40 4 0 4 1 0 1 1 0 8 1
pffrag 232 1 0 0 1 0 1 1 0 482 0
pffrnode 88 1 0 0 1 0 1 1 0 8 0
pffrent 40 12 0 11 1 0 1 1 0 8 0
pfosfp 40 9 0 8 1 0 1 1 0 8 0
pfosfpen 112 9 0 8 1 0 1 1 0 8 0
pfrktable 1344 5 0 5 1 0 1 1 0 8 1
pfsrclim 320 1 0 1 1 0 1 1 0 8 1
pfanchor 1288 1 0 1 1 0 1 1 0 8 1
pftag 88 1 0 0 1 0 1 1 0 8 0
pfqueue 320 17 0 0 2 0 2 2 0 8 0
pfstitem 24 2 0 0 1 0 1 1 0 8 0
pfstkey 128 88 0 86 1 0 1 1 0 8 0
pfstate 384 44 0 43 1 0 1 1 0 8 0
pfrule 1360 3 0 3 1 0 1 1 0 8 1
art_heap8 4096 2 0 0 2 0 2 2 0 8 0
art_heap4 256 489 0 475 29 18 11 29 0 8 8
art_table 40 491 0 475 5 0 5 5 0 8 3
art_node 32 136 0 128 1 0 1 1 0 8 0
sysvmsgpl 40 1 0 0 1 0 1 1 0 8 0
semapl 112 292 0 282 1 0 1 1 0 8 0
shmpl 112 12 0 3 1 0 1 1 0 8 0
dirhash 1024 39 0 22 3 0 3 3 0 8 0
dino2pl 256 6086 0 4632 92 0 92 92 0 8 0
ffsino 256 6086 0 4632 92 0 92 92 0 8 0
nchpl 144 8863 0 7164 64 0 64 64 0 8 0
rtmask 32 6 0 6 1 0 1 1 0 8 1
vnodes 216 5926 0 0 330 0 330 330 0 8 0
namei 1024 25215 0 25215 2 0 2 2 0 8 2
pfiaddrpl 120 1 0 1 1 0 1 1 0 8 1
kstatmem 264 44 0 22 2 0 2 2 0 8 0
scsiplug 72 40 0 40 1 0 1 1 0 8 1
scxspl 216 33249 0 33249 8 0 8 8 1 8 8
plimitpl 152 229 0 212 1 0 1 1 0 8 0
sigapl 424 2621 0 2579 6 0 6 6 0 8 1
knotepl 120 75970 0 75923 10 0 10 10 0 8 8
kqueuepl 184 130 0 120 1 0 1 1 0 8 0
pipepl 304 249 0 222 3 0 3 3 0 8 0
fdescpl 448 2536 0 2507 5 0 5 5 0 8 1
filepl 120 12511 0 12289 13 0 13 13 0 8 5
lockfpl 104 976 0 972 1 0 1 1 0 8 0
lockfspl 48 422 0 418 1 0 1 1 0 8 0
sessionpl 144 37 0 29 1 0 1 1 0 8 0
pgrppl 48 45 0 29 1 0 1 1 0 8 0
ucredpl 104 1518 0 1507 1 0 1 1 0 8 0
zombiepl 144 2581 0 2579 1 0 1 1 0 8 0
processpl 1152 2621 0 2579 4 0 4 4 0 8 0
procpl 664 4949 0 4900 5 0 5 5 0 8 0
sosppl 176 63 0 63 1 0 1 1 0 8 1
sockpl 552 3419 0 3388 12 1 11 12 0 8 8
mcl64k 65536 451 0 451 1 0 1 1 0 8 1
mcl16k 16384 167 0 167 1 0 1 1 0 8 1
mcl12k 12288 69 0 69 1 0 1 1 0 8 1
mcl9k 9216 21 0 21 1 0 1 1 0 8 1
mcl8k 8192 441 0 441 1 0 1 1 0 8 1
mcl4k 4096 6773 0 6721 13 0 13 13 0 8 6
mcl2k2 2112 16 0 16 1 0 1 1 0 8 1
mcl2k 2048 1458 0 1456 2 0 2 2 0 8 1
mtagpl 96 32 0 23 1 0 1 1 0 8 0
mbufpl 256 26662 0 26550 14 0 14 14 0 8 1
bufpl 280 9501 0 3287 444 0 444 444 0 8 0
anonpl 24 438244 0 432978 68 0 68 68 0 187 22
amapchunkpl 152 77647 0 77054 31 0 31 31 0 158 7
amappl16 200 4884 0 4854 25 8 17 25 0 8 8
amappl15 192 15 0 15 1 0 1 1 0 8 1
amappl14 184 412 0 411 1 0 1 1 0 8 0
amappl13 176 121 0 110 1 0 1 1 0 8 0
amappl12 168 2807 0 2779 2 0 2 2 0 8 0
amappl11 160 4 0 4 1 0 1 1 0 8 1
amappl10 152 60 0 50 1 0 1 1 0 8 0
amappl9 144 258 0 258 1 0 1 1 0 8 1
amappl8 136 196 0 195 1 0 1 1 0 8 0
amappl7 128 148 0 136 1 0 1 1 0 8 0
amappl6 120 151 0 150 1 0 1 1 0 8 0
amappl5 112 101 0 93 1 0 1 1 0 8 0
amappl4 104 272 0 256 1 0 1 1 0 8 0
amappl3 96 14715 0 14608 4 0 4 4 0 8 0
amappl2 88 536 0 483 2 0 2 2 0 8 0
amappl1 80 18567 0 18017 15 0 15 15 0 8 2
amappl 88 19546 0 19386 5 0 5 5 0 92 0
uvmvnodes 80 146 0 0 3 0 3 3 0 8 0
dma4096 4096 1 0 1 1 0 1 1 0 8 1
dma1024 1024 2 0 1 1 0 1 1 0 8 0
dma256 256 8 0 8 1 0 1 1 0 8 1
dma128 128 292 0 292 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 14 0 3 1 0 1 1 0 8 0
uaddrrnd 24 2536 0 2507 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 2536 0 2507 1 0 1 1 0 8 0
vmmpekpl 168 18292 0 18259 2 0 2 2 0 8 0
vmmpepl 168 155502 0 153720 100 0 100 100 0 357 18
vmsppl 368 2535 0 2507 4 0 4 4 0 8 1
rwobjpl 40 36388 0 35388 15 0 15 15 0 8 2
pdppl 4096 5078 0 5014 104 38 66 78 0 8 2
pvpl 32 1261803 0 1250207 165 0 165 165 0 265 43
pmappl 216 2535 0 2507 2 0 2 2 0 8 0
extentpl 40 45 0 27 1 0 1 1 0 8 0
phpool 112 374 0 56 10 0 10 10 0 8 0
ddb> machine ddbcpu 0
No such command
ddb> trace
pvclock_get(ffffffff838ae100) at pvclock_get+0x53 pvclock_read_begin sys/dev/pv/pvclock.c:278 [inline]
pvclock_get(ffffffff838ae100) at pvclock_get+0x53 sys/dev/pv/pvclock.c:333
nsecuptime() at nsecuptime+0x62 tc_delta sys/kern/kern_tc.c:138 [inline]
nsecuptime() at nsecuptime+0x62 binuptime sys/kern/kern_tc.c:191 [inline]
nsecuptime() at nsecuptime+0x62 sys/kern/kern_tc.c:257
clockintr_dispatch(ffff80003a8f16e0) at clockintr_dispatch+0xe8 sys/kern/kern_clockintr.c:180
lapic_clockintr(0,0) at lapic_clockintr+0x43 sys/arch/amd64/amd64/lapic.c:482
Xresume_lapic_ltimer() at Xresume_lapic_ltimer+0x2a
__sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x84 kd_claim sys/dev/kcov.c:632 [inline]
__sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x84 sys/dev/kcov.c:157
uvm_pmr_freepageq(ffff80003a8f1808) at uvm_pmr_freepageq+0xb5 sys/uvm/uvm_pmemrange.c:1370
uvm_obj_free(fffffd805fa73bd0) at uvm_obj_free+0xfe sys/uvm/uvm_object.c:241
buf_dealloc_mem(fffffd805fa73b10) at buf_dealloc_mem+0x14e sys/kern/vfs_biomem.c:179
buf_put(fffffd805fa73b10) at buf_put+0x1d9 sys/kern/vfs_bio.c:123
brelse(fffffd805fa73b10) at brelse+0x397 sys/kern/vfs_bio.c:932
writedisklabel(d02,ffffffff82802f80,ffff800000039000) at writedisklabel+0x1b8 sys/arch/amd64/amd64/disksubr.c:158
sdioctl(d02,84946467,ffff8000015eb800,3,ffff80002f0c0d10) at sdioctl+0x959 sys/scsi/sd.c:921
VOP_IOCTL(fffffd806c19b450,84946467,ffff8000015eb800,3,fffffd8007ffd5b0,ffff80002f0c0d10) at VOP_IOCTL+0xa3 sys/kern/vfs_vops.c:264
vn_ioctl(fffffd8064362ae0,84946467,ffff8000015eb800,ffff80002f0c0d10) at vn_ioctl+0xea sys/kern/vfs_vnops.c:531
sys_ioctl(ffff80002f0c0d10,ffff80003a8f1db0,ffff80003a8f1d00) at sys_ioctl+0x660 sys/kern/sys_generic.c:-1
syscall(ffff80003a8f1db0) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80003a8f1db0) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x55ddc5fe150, count: -18
ddb> machine ddbcpu 1
No such command
ddb> trace
pvclock_get(ffffffff838ae100) at pvclock_get+0x53 pvclock_read_begin sys/dev/pv/pvclock.c:278 [inline]
pvclock_get(ffffffff838ae100) at pvclock_get+0x53 sys/dev/pv/pvclock.c:333
nsecuptime() at nsecuptime+0x62 tc_delta sys/kern/kern_tc.c:138 [inline]
nsecuptime() at nsecuptime+0x62 binuptime sys/kern/kern_tc.c:191 [inline]
nsecuptime() at nsecuptime+0x62 sys/kern/kern_tc.c:257
clockintr_dispatch(ffff80003a8f16e0) at clockintr_dispatch+0xe8 sys/kern/kern_clockintr.c:180
lapic_clockintr(0,0) at lapic_clockintr+0x43 sys/arch/amd64/amd64/lapic.c:482
Xresume_lapic_ltimer() at Xresume_lapic_ltimer+0x2a
__sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x84 kd_claim sys/dev/kcov.c:632 [inline]
__sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x84 sys/dev/kcov.c:157
uvm_pmr_freepageq(ffff80003a8f1808) at uvm_pmr_freepageq+0xb5 sys/uvm/uvm_pmemrange.c:1370
uvm_obj_free(fffffd805fa73bd0) at uvm_obj_free+0xfe sys/uvm/uvm_object.c:241
buf_dealloc_mem(fffffd805fa73b10) at buf_dealloc_mem+0x14e sys/kern/vfs_biomem.c:179
buf_put(fffffd805fa73b10) at buf_put+0x1d9 sys/kern/vfs_bio.c:123
brelse(fffffd805fa73b10) at brelse+0x397 sys/kern/vfs_bio.c:932
writedisklabel(d02,ffffffff82802f80,ffff800000039000) at writedisklabel+0x1b8 sys/arch/amd64/amd64/disksubr.c:158
sdioctl(d02,84946467,ffff8000015eb800,3,ffff80002f0c0d10) at sdioctl+0x959 sys/scsi/sd.c:921
VOP_IOCTL(fffffd806c19b450,84946467,ffff8000015eb800,3,fffffd8007ffd5b0,ffff80002f0c0d10) at VOP_IOCTL+0xa3 sys/kern/vfs_vops.c:264
vn_ioctl(fffffd8064362ae0,84946467,ffff8000015eb800,ffff80002f0c0d10) at vn_ioctl+0xea sys/kern/vfs_vnops.c:531
sys_ioctl(ffff80002f0c0d10,ffff80003a8f1db0,ffff80003a8f1d00) at sys_ioctl+0x660 sys/kern/sys_generic.c:-1
syscall(ffff80003a8f1db0) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80003a8f1db0) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x55ddc5fe150, count: -18