kernel: protection fault trap, code=0
Stopped at reaper+0x322: movq 0x8(%rax),%rdi
ddb{0}>
ddb{0}> set $lines = 0
ddb{0}> set $maxwidth = 0
ddb{0}> show panic
the kernel did not panic
ddb{0}> trace
reaper(ffff800029fd9448) at reaper+0x322 sys/kern/kern_exit.c:491
end trace frame: 0x0, count: -1
ddb{0}> show registers
rdi 0
rsi 0x40000 acpi_pdirpa+0x2be71
rbp 0xffff800029fe5800
rbx 0
rdx 0
rcx 0xffff800029fd9448
rax 0xdead4110dead4110
r8 0
r9 0
r10 0xf4dcd863ae26f875
r11 0xd92ca458c66a2e47
r12 0x40000 acpi_pdirpa+0x2be71
r13 0xffffffff834edff0 cpu_info_full_primary+0x1ff0
r14 0xffff8000371d2460
r15 0x41018 acpi_pdirpa+0x2ce89
rip 0xffffffff826b1292 reaper+0x322
cs 0x8
rflags 0x10246 __ALIGN_SIZE+0xf246
rsp 0xffff800029fe57d0
ss 0x10
reaper+0x322: movq 0x8(%rax),%rdi
ddb{0}> show proc
PROC (reaper) tid=63949 pid=61929 tcnt=1 stat=onproc
flags process=14000<NOZOMBIE,SYSTEM> proc=200<SYSTEM>
runpri=32, usrpri=64, slppri=32, nice=20
wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0
forw=0xffffffffffffffff, list=0xffff800029fd96d0,0xffff800029fd91d0
process=0xffff800029febaf0 user=0xffff800029fe0000, vmspace=0xffffffff83546a08
estcpu=14, cpticks=4, pctcpu=2.31, user=0, sys=78512, intr=1496
ddb{0}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
61656 212336 69361 32767 2 0x10 syz-executor
61656 359113 69361 32767 3 0x4000090 piperd syz-executor
61656 283640 69361 32767 3 0x4000090 fsleep syz-executor
26944 499825 3729 32767 3 0x90 nanoslp syz-executor
26944 307162 3729 32767 3 0x4000090 kqsel syz-executor
26944 339836 3729 32767 3 0x4000090 fsleep syz-executor
61979 503068 65206 32767 3 0x90 nanoslp syz-executor
61979 232218 65206 32767 3 0x4000090 kqread syz-executor
61979 460096 65206 32767 3 0x4000090 fsleep syz-executor
80645 297178 77421 32767 3 0x90 nanoslp syz-executor
77421 108900 6964 0 3 0x82 wait syz-executor
3729 514970 89221 32767 3 0x90 nanoslp syz-executor
89221 174619 6964 0 3 0x82 wait syz-executor
7093 272997 71112 32767 3 0x90 wait syz-executor
71112 110421 6964 0 3 0x82 wait syz-executor
14843 106704 44432 32767 3 0x90 nanoslp syz-executor
44432 181116 6964 0 3 0x82 wait syz-executor
55004 97615 48999 32767 7 0x10 syz-executor
48999 330748 6964 0 3 0x82 wait syz-executor
96190 498174 49753 32767 3 0x90 wait syz-executor
49753 45445 6964 0 3 0x82 wait syz-executor
69361 162035 2513 32767 3 0x90 nanoslp syz-executor
2513 132163 6964 0 3 0x82 wait syz-executor
65206 229950 41448 32767 3 0x90 nanoslp syz-executor
41448 454287 6964 0 3 0x82 wait syz-executor
67484 268262 91171 32767 4 0x82010 syz-executor
67484 94555 91171 32767 4 0x4082010 syz-executor
67484 391814 91171 32767 4 0x4082010 syz-executor
67484 16119 91171 32767 3 0x4002010 suspend syz-executor
91171 33480 1 32767 3 0x90 wait syz-executor
29165 514618 57433 32767 3 0x3810 suspend syz-executor
29165 148673 57433 32767 4 0x4081810 syz-executor
57433 231791 1 32767 3 0x90 wait syz-executor
35249 12415 37048 0 3 0x100082 sbwait ndp
37048 472119 65901 0 3 0x10008a sigsusp sh
65901 365822 1 0 3 0x80 wait syz-executor
62881 519914 0 0 3 0x14200 bored sosplice
6964 301329 65450 0 3 0x82 kqread syz-executor
65450 13120 2239 0 3 0x10008a sigsusp ksh
2239 13101 22279 0 3 0x98 kqread sshd-session
22279 17735 7930 0 3 0x92 kqread sshd-session
33356 246034 1 0 3 0x100083 ttyin getty
7930 161989 1 0 3 0x88 kqread sshd
78669 245012 32761 73 3 0x1100090 kqread syslogd
32761 151445 1 0 3 0x100082 sbwait syslogd
73780 459752 1 0 3 0x100080 kqread resolvd
55091 277440 30675 77 3 0x100092 kqread dhcpleased
39709 338503 30675 77 3 0x100092 kqread dhcpleased
30675 158631 1 0 3 0x80 kqread dhcpleased
10603 153055 0 0 3 0x14200 bored smr
88160 328039 0 0 3 0x14200 pgzero zerothread
76017 173110 0 0 3 0x14200 aiodoned aiodoned
5806 71914 0 0 3 0x14200 syncer update
18349 409360 0 0 3 0x14200 cleaner cleaner
*61929 63949 0 0 7 0x14200 reaper
15479 313356 0 0 3 0x14200 pgdaemon pagedaemon
22014 56774 0 0 3 0x14200 bored viomb
28731 104782 0 0 3 0x40014200 acpi0 acpi0
78957 197923 0 0 3 0x40014200 idle1
21509 403214 0 0 3 0x14200 bored softnet3
24878 205462 0 0 3 0x14200 bored softnet2
41507 64539 0 0 3 0x14200 bored softnet1
17648 283191 0 0 2 0x14200 softnet0
39148 145541 0 0 3 0x14200 bored systqmp
33402 371911 0 0 3 0x14200 bored systq
18732 416887 0 0 3 0x14200 tmoslp softclockmp
2919 126627 0 0 3 0x40014200 tmoslp softclock
71994 208709 0 0 3 0x40014200 idle0
1 104864 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{0}> show all locks
Process 61929 (reaper) thread 0xffff800029fd9448 (63949)
exclusive kernel_lock &kernel_lock r = 0 (0xffffffff8361ffd0)
#0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5bb sys/kern/subr_witness.c:1155
#1 __mp_acquire_count+0x58
#2 mi_switch+0x658 sys/kern/sched_bsd.c:460
#3 sleep_finish+0x219 sys/kern/kern_synch.c:416
#4 rw_enter+0x348 sys/kern/kern_rwlock.c:285
#5 knote_processexit+0x2b sys/kern/kern_event.c:2063
#6 reaper+0x2ad sys/kern/kern_exit.c:489
#7 proc_trampoline+0x10
ddb{0}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 10234 11054K 11059K 166960K 13567 0
pcb 17 24K 26K 166960K 27 0
rtable 236 6K 7K 166960K 26869 0
pf 31 16K 16K 166960K 1549 0
ifaddr 42 15K 19K 166960K 3051 0
ifgroup 50 2K 2K 166960K 3070 0
sysctl 4 1K 5K 166960K 38 0
counters 64 36K 36K 166960K 1566 0
ioctlops 0 0K 2K 166960K 1581 0
iov 0 0K 32K 166960K 3968 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1469 92K 92K 166960K 21847 0
UFS quota 1 32K 32K 166960K 1 0
UFS mount 5 36K 36K 166960K 5 0
shm 2 1K 13K 166960K 800 0
VM map 2 1K 1K 166960K 2 0
sem 12 0K 0K 166960K 1650 0
dirhash 18 3K 4K 166960K 1143 0
ACPI 1690 195K 286K 166960K 12418 0
file desc 31 117K 169K 166960K 48103 0
sigio 0 0K 0K 166960K 1818 0
proc 58 79K 176K 166960K 25641 0
subproc 143 8K 13K 166960K 12649 0
NFS srvsock 1 0K 0K 166960K 1 0
NFS daemon 1 16K 16K 166960K 1 0
ip_moptions 1 0K 0K 166960K 10441 0
in_multi 99 7K 8K 166960K 10136 0
ether_multi 1 0K 0K 166960K 218 0
mrt 1 0K 0K 166960K 9 0
ISOFS mount 1 32K 32K 166960K 1 0
MSDOSFS mount 1 16K 16K 166960K 1 0
ttys 343 1526K 1526K 166960K 343 0
exec 0 0K 1K 166960K 18416 0
tdb 3 0K 0K 166960K 3 0
VM swap 8 62K 64K 166960K 10 0
UVM amap 348 102K 140K 166960K 410882 0
UVM aobj 131 4K 8K 166960K 159 0
pinsyscall 53 106K 138K 166960K 70346 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
ip6_options 0 0K 1K 166960K 3316 0
NDP 11 0K 2K 166960K 2271 0
temp 87 6824K 6952K 166960K 393492 0
kqueue 14 20K 36K 166960K 7708 0
SYN cache 2 16K 16K 166960K 2 0
ddb{0}> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
plcache 128 24 0 0 1 0 1 1 0 8 0
rtpcb 120 7394 0 7389 53 51 2 5 0 8 1
rtentry 112 8857 0 8746 17 13 4 4 0 8 0
unpcb 144 45306 0 45289 210 204 6 8 0 8 5
syncache 336 800 0 800 33 32 1 1 0 8 1
tcpqe 32 313 0 313 55 54 1 1 0 8 1
tcpcb 808 31246 0 31162 335 319 16 20 0 8 4
arp 120 1545 0 1527 1 0 1 1 0 8 0
ipq 40 227 0 224 2 1 1 1 0 8 0
ipqe 40 3273 0 3270 2 1 1 1 0 8 0
inpcb 336 71387 0 71294 347 333 14 24 0 8 0
ip6q 72 43 0 43 10 10 0 1 0 8 0
ip6af 40 86 0 86 10 10 0 1 0 8 0
nd6 136 2755 0 2730 11 9 2 2 0 8 1
kcovpl 48 973 0 962 1 0 1 1 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 36457 0 35986 231 201 30 33 0 8 0
art_table 32 36458 0 35986 14 10 4 5 0 8 0
art_node 16 8856 0 8755 1 0 1 1 0 8 0
sysvmsgpl 40 28 0 18 1 0 1 1 0 8 0
semapl 112 1641 0 1631 1 0 1 1 0 8 0
shmpl 112 156 0 28 4 0 4 4 0 8 0
dirhash 1024 786 0 757 12 8 4 4 0 8 0
dino2pl 256 61705 0 57315 277 2 275 275 0 8 0
ffsino 272 61705 0 57315 294 1 293 293 0 8 0
nchpl 144 113102 0 109918 119 0 119 119 0 8 0
uvmvnodes 80 11286 0 0 231 0 231 231 0 8 0
vnodes 216 11286 0 0 627 0 627 627 0 8 0
namei 1024 492439 0 492439 62 61 1 2 0 8 1
percpumem 16 797 0 751 1 0 1 1 0 8 0
kstatmem 264 1524 0 1502 2 0 2 2 0 8 0
scxspl 216 484312 0 484312 103 100 3 8 1 8 3
plimitpl 152 16223 0 16195 2 0 2 2 0 8 0
sigapl 424 46808 0 46745 17 9 8 9 0 8 0
futexpl 64 553668 0 553665 30 29 1 1 0 8 0
knotepl 120 1944 0 0 19 0 19 19 0 8 0
kqueuepl 216 17047 0 17031 142 140 2 8 0 8 1
pipepl 320 10807 0 10770 132 128 4 11 0 8 0
fdescpl 496 46789 0 46746 21 14 7 8 0 8 0
filepl 152 343945 0 343626 237 219 18 23 0 8 2
lockfpl 104 13496 0 13493 7 6 1 2 0 8 0
lockfspl 48 3897 0 3894 1 0 1 1 0 8 0
sessionpl 144 1129 0 1110 1 0 1 1 0 8 0
pgrppl 48 3007 0 2980 1 0 1 1 0 8 0
ucredpl 104 67593 0 67572 1 0 1 1 0 8 0
zombiepl 144 46749 0 46745 1 0 1 1 0 8 0
processpl 1160 46808 0 46745 9 3 6 6 0 8 0
procpl 648 109468 0 109391 22 14 8 8 0 8 0
srpgc 96 32 0 32 15 15 0 1 0 8 0
sosppl 168 561 0 559 8 7 1 1 0 8 0
sockpl 664 124998 0 124881 551 529 22 29 0 8 5
mcl64k 65536 52 0 0 5 0 5 5 0 8 0
mcl16k 16384 11 0 0 2 0 2 2 0 8 0
mcl12k 12288 3 0 0 1 0 1 1 0 8 0
mcl9k 9216 4 0 0 1 0 1 1 0 8 0
mcl8k 8192 17 0 0 3 1 2 3 0 8 0
mcl4k 4096 298 0 0 19 5 14 19 0 8 0
mcl2k2 2112 4 0 0 1 0 1 1 0 8 0
mcl2k 2048 666 0 0 16 9 7 11 0 8 0
mtagpl 96 18 0 0 1 0 1 1 0 8 0
mbufpl 256 9576 0 0 575 0 575 575 0 8 0
bufpl 280 79877 0 68583 808 0 808 808 0 8 0
anonpl 24 5957489 0 5941861 688 549 139 146 0 185 16
amapchunkpl 152 1346514 0 1345482 417 373 44 55 0 158 0
amappl16 200 147530 0 147027 660 612 48 52 0 8 8
amappl15 192 20 0 20 7 7 0 1 0 8 0
amappl14 184 2390 0 2379 1 0 1 1 0 8 0
amappl13 176 41 0 40 1 0 1 1 0 8 0
amappl12 168 59836 0 59790 10 7 3 3 0 8 0
amappl11 160 49 0 38 1 0 1 1 0 8 0
amappl10 152 43 0 42 2 1 1 1 0 8 0
amappl9 144 152 0 151 3 2 1 1 0 8 0
amappl8 136 26 0 23 1 0 1 1 0 8 0
amappl7 128 1993 0 1981 1 0 1 1 0 8 0
amappl6 120 7644 0 7641 1 0 1 1 0 8 0
amappl5 112 3489 0 3478 1 0 1 1 0 8 0
amappl4 104 3997 0 3977 1 0 1 1 0 8 0
amappl3 96 274538 0 274359 7 2 5 5 0 8 0
amappl2 88 15432 0 15364 3 0 3 3 0 8 0
amappl1 80 288260 0 287675 34 13 21 21 0 8 0
amappl 88 399660 0 399373 8 1 7 7 0 92 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 72 158 0 28 4 1 3 3 0 8 0
uaddrrnd 24 46789 0 46745 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 46789 0 46745 1 0 1 1 0 8 0
vmmpekpl 168 427115 0 427055 8 3 5 5 0 8 0
vmmpepl 168 3095212 0 3092361 565 410 155 170 0 357 9
vmsppl 440 46788 0 46745 15 9 6 7 0 8 0
rwobjpl 56 788642 0 775697 275 86 189 189 0 8 3
pdppl 4096 93585 0 93490 1802 1703 99 121 0 8 4
pvpl 32 48958 0 0 386 1 385 385 0 265 0
pmappl 248 46788 0 46745 8 4 4 4 0 8 0
extentpl 40 56 0 38 1 0 1 1 0 8 0
phpool 112 4017 0 2677 39 0 39 39 0 8 0
ddb{0}> machine ddbcpu 0
Invalid cpu 0
ddb{0}> trace
reaper(ffff800029fd9448) at reaper+0x322 sys/kern/kern_exit.c:491
end trace frame: 0x0, count: -1
ddb{0}> machine ddbcpu 1
Stopped at x86_ipi_db+0x27: addq $0x8,%rsp
ddb{1}> trace
x86_ipi_db(ffff800029b7bff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:393
x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27
__mp_lock(ffffffff8361fdc8) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline]
__mp_lock(ffffffff8361fdc8) at __mp_lock+0x192 sys/kern/kern_lock.c:144
vn_closefile(fffffd807562f7c0,ffff800036198fc8) at vn_closefile+0x41 sys/kern/vfs_vnops.c:602
fdrop(fffffd807562f7c0,ffff800036198fc8) at fdrop+0x126 sys/kern/kern_descrip.c:1274
closef(fffffd807562f7c0,ffff800036198fc8) at closef+0x192 sys/kern/kern_descrip.c:1258
syscall(ffff80003ac093a0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline]
syscall(ffff80003ac093a0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x71151610ac30, count: -9