kernel: protection fault trap, code=0
Stopped at reaper+0x322: movq 0x8(%rax),%rdi
ddb{1}>
ddb{1}> set $lines = 0
ddb{1}> set $maxwidth = 0
ddb{1}> show panic
the kernel did not panic
ddb{1}> trace
reaper(ffff800029fd8cb0) at reaper+0x322 sys/kern/kern_exit.c:492
end trace frame: 0x0, count: -1
ddb{1}> show registers
rdi 0
rsi 0x40000 acpi_pdirpa+0x2be71
rbp 0xffff800029fe5620
rbx 0
rdx 0
rcx 0xffff800029fd8cb0
rax 0xdeaf4152deaf4152
r8 0x65
r9 0x1
r10 0xf1cb1db4ca414aa3
r11 0x8f435fd7746de330
r12 0x40000 acpi_pdirpa+0x2be71
r13 0xffffffff8347cff0 cpu_info_full_primary+0x1ff0
r14 0xffff8000309a7af8
r15 0x41018 acpi_pdirpa+0x2ce89
rip 0xffffffff81f36d72 reaper+0x322
cs 0x8
rflags 0x10246 __ALIGN_SIZE+0xf246
rsp 0xffff800029fe55f0
ss 0x10
reaper+0x322: movq 0x8(%rax),%rdi
ddb{1}> show proc
PROC (reaper) tid=482552 pid=91790 tcnt=1 stat=onproc
flags process=14000<NOZOMBIE,SYSTEM> proc=200<SYSTEM>
runpri=32, usrpri=52, slppri=32, nice=20
wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0
forw=0xffffffffffffffff, list=0xffff800029fd8f38,0xffff800029fd8a38
process=0xffff800029feb1e0 user=0xffff800029fe0000, vmspace=0xffffffff834fc920
estcpu=2, cpticks=9, pctcpu=3.13, user=0, sys=75067, intr=5833
ddb{1}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
37718 175851 58 32767 2 0x10 syz-executor
37718 134466 58 32767 3 0x4000090 fsleep syz-executor
27068 150041 72729 32767 2 0x10 syz-executor
27068 472603 72729 32767 3 0x4000090 ttyout syz-executor
65497 385375 549 32767 7 0x10 syz-executor
65497 496184 549 32767 2 0x4000010 syz-executor
34146 517057 79251 32767 2 0x10 syz-executor
34146 245238 79251 32767 3 0x4000090 ttyretype syz-executor
34146 276886 79251 32767 3 0x4000090 fsleep syz-executor
82774 375113 56602 32767 3 0x90 nanoslp syz-executor
82774 15398 56602 32767 3 0x4000090 fsleep syz-executor
82774 175819 56602 32767 3 0x4000090 sbwait syz-executor
86148 509376 41020 32767 3 0x90 nanoslp syz-executor
86148 152827 41020 32767 3 0x4000090 sbwait syz-executor
86148 199211 41020 32767 3 0x4000090 fsleep syz-executor
11385 383829 85665 32767 3 0x90 nanoslp syz-executor
11385 469317 85665 32767 3 0x4000090 kqsel syz-executor
11385 394280 85665 32767 3 0x4000090 netacc syz-executor
11385 325057 85665 32767 3 0x4000090 fsleep syz-executor
41020 369991 71029 32767 3 0x90 nanoslp syz-executor
71029 237187 56971 0 3 0x82 wait syz-executor
58 279580 3606 32767 3 0x90 nanoslp syz-executor
3606 198893 56971 0 3 0x82 wait syz-executor
56602 141952 26664 32767 3 0x90 nanoslp syz-executor
26664 192953 56971 0 3 0x82 wait syz-executor
74474 248297 86132 32767 2 0x10 syz-executor
86132 150236 56971 0 3 0x82 wait syz-executor
549 178868 56000 32767 3 0x90 nanoslp syz-executor
56000 518696 56971 0 3 0x82 wait syz-executor
79251 303368 27897 32767 2 0x10 syz-executor
27897 243979 56971 0 3 0x82 wait syz-executor
85665 428087 95315 32767 3 0x90 nanoslp syz-executor
95315 254249 56971 0 3 0x82 wait syz-executor
72729 314300 63113 32767 3 0x90 nanoslp syz-executor
63113 282476 56971 0 3 0x82 wait syz-executor
66509 264723 34686 0 3 0x100082 sbwait arp
34686 32315 38034 0 3 0x10008a sigsusp sh
38034 32250 1 0 3 0x80 wait syz-executor
37267 235526 16458 0 3 0x100082 sbwait arp
16458 83604 37616 0 3 0x10008a sigsusp sh
37616 154817 1 0 3 0x80 wait syz-executor
63424 213673 0 0 3 0x14200 bored sosplice
32603 39126 5255 0 3 0x100082 sbwait arp
5255 475566 50862 0 3 0x10008a sigsusp sh
50862 461468 1 0 3 0x80 wait syz-executor
56971 421652 21781 0 3 0x82 kqread syz-executor
21781 204946 58462 0 3 0x10008a sigsusp ksh
58462 60721 66381 0 3 0x98 kqread sshd-session
66381 236500 86645 0 3 0x92 kqread sshd-session
11759 241192 1 0 3 0x100083 ttyin getty
86645 516689 1 0 3 0x88 kqread sshd
90537 237095 17256 73 3 0x1100090 kqread syslogd
17256 344383 1 0 3 0x100082 sbwait syslogd
63848 84375 1 0 3 0x100080 kqread resolvd
21959 515255 88632 77 3 0x100092 kqread dhcpleased
15142 442319 88632 77 3 0x100092 kqread dhcpleased
88632 115143 1 0 3 0x80 kqread dhcpleased
67717 267675 0 0 3 0x14200 bored smr
7412 5126 0 0 2 0x14200 zerothread
28276 150422 0 0 3 0x14200 aiodoned aiodoned
14900 488819 0 0 3 0x14200 syncer update
62646 482451 0 0 3 0x14200 cleaner cleaner
*91790 482552 0 0 7 0x14200 reaper
12386 172019 0 0 3 0x14200 pgdaemon pagedaemon
51553 305968 0 0 3 0x14200 bored viomb
40109 179464 0 0 3 0x40014200 acpi0 acpi0
15444 289605 0 0 3 0x40014200 idle1
13795 136465 0 0 3 0x14200 bored softnet3
35665 240463 0 0 3 0x14200 bored softnet2
51401 443188 0 0 3 0x14200 bored softnet1
91135 271302 0 0 3 0x14200 bored softnet0
26165 368992 0 0 3 0x14200 bored systqmp
1485 74575 0 0 3 0x14200 bored systq
11817 163149 0 0 3 0x14200 tmoslp softclockmp
90717 416195 0 0 3 0x40014200 tmoslp softclock
55613 366314 0 0 3 0x40014200 idle0
1 365757 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{1}> show all locks
Process 91790 (reaper) thread 0xffff800029fd8cb0 (482552)
exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83592528)
#0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151
#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:490
#7 proc_trampoline+0x10
ddb{1}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 10222 10028K 10035K 166960K 12700 0
pcb 17 18K 20K 166960K 23 0
rtable 242 6K 7K 166960K 15122 0
pf 31 16K 16K 166960K 976 0
ifaddr 42 11K 11K 166960K 1906 0
ifgroup 50 2K 2K 166960K 1927 0
sysctl 4 1K 5K 166960K 9 0
counters 64 36K 36K 166960K 996 0
ioctlops 0 0K 2K 166960K 662 0
iov 1 2K 18K 166960K 1340 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1508 95K 95K 166960K 12088 0
UFS quota 1 32K 32K 166960K 1 0
UFS mount 5 36K 36K 166960K 5 0
shm 2 1K 9K 166960K 232 0
VM map 2 1K 1K 166960K 2 0
sem 12 0K 1K 166960K 749 0
dirhash 15 2K 3K 166960K 396 0
ACPI 1690 195K 286K 166960K 12418 0
file desc 34 129K 197K 166960K 19346 0
sigio 0 0K 0K 166960K 341 0
proc 56 78K 176K 166960K 14730 0
subproc 143 8K 15K 166960K 8333 0
NFS srvsock 1 0K 0K 166960K 1 0
NFS daemon 1 16K 16K 166960K 1 0
ip_moptions 0 0K 0K 166960K 3471 0
in_multi 99 7K 8K 166960K 5804 0
ether_multi 1 0K 0K 166960K 108 0
mrt 2 0K 0K 166960K 4 0
ISOFS mount 1 32K 32K 166960K 1 0
MSDOSFS mount 1 16K 16K 166960K 1 0
ttys 271 1208K 1208K 166960K 271 0
exec 0 0K 1K 166960K 8790 0
tdb 3 0K 0K 166960K 3 0
VM swap 8 62K 64K 166960K 10 0
UVM amap 327 101K 165K 166960K 150681 0
UVM aobj 131 4K 6K 166960K 136 0
pinsyscall 58 116K 152K 166960K 32763 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
ip6_options 1 0K 1K 166960K 1028 0
NDP 11 0K 2K 166960K 1413 0
temp 87 6824K 6952K 166960K 147919 0
kqueue 15 22K 37K 166960K 2244 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 24 0 0 1 0 1 1 0 8 0
rtpcb 120 2885 0 2879 20 19 1 4 0 8 0
rtentry 112 5356 0 5242 18 14 4 4 0 8 0
unpcb 144 15033 0 15012 101 100 1 11 0 8 0
syncache 336 153 0 153 35 35 0 1 0 8 0
tcpqe 32 46 0 46 21 21 0 1 0 8 0
tcpcb 808 9535 0 9524 238 236 2 18 0 8 0
arp 120 956 0 938 1 0 1 1 0 8 0
ipq 40 72 0 70 5 4 1 1 0 8 0
ipqe 40 641 0 639 5 4 1 1 0 8 0
inpcb 336 23707 0 23689 280 275 5 21 0 8 3
ip6q 72 39 0 39 5 5 0 1 0 8 0
ip6af 40 78 0 78 5 5 0 1 0 8 0
nd6 136 1559 0 1531 7 5 2 2 0 8 0
kcovpl 48 641 0 630 1 0 1 1 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 21737 0 21267 213 181 32 32 0 8 0
art_table 32 21738 0 21267 10 5 5 5 0 8 0
art_node 16 5355 0 5251 1 0 1 1 0 8 0
sysvmsgpl 40 3 0 2 1 0 1 1 0 8 0
semupl 112 1 0 1 1 1 0 1 0 8 0
semapl 112 747 0 737 1 0 1 1 0 8 0
shmpl 112 133 0 5 4 0 4 4 0 8 0
dirhash 1024 280 0 257 18 14 4 4 0 8 1
dino2pl 256 21082 0 18122 188 2 186 186 0 8 0
ffsino 272 21082 0 18122 200 2 198 198 0 8 0
nchpl 144 37366 0 34583 104 0 104 104 0 8 0
uvmvnodes 80 10098 0 0 207 0 207 207 0 8 0
vnodes 216 10098 0 0 561 0 561 561 0 8 0
namei 1024 180597 0 180597 31 30 1 2 0 8 1
percpumem 16 512 0 466 1 0 1 1 0 8 0
kstatmem 264 954 0 932 3 1 2 2 0 8 0
scxspl 216 266165 0 266165 72 69 3 8 1 8 3
plimitpl 152 5084 0 5054 3 1 2 2 0 8 0
sigapl 424 18435 0 18370 18 9 9 10 0 8 0
futexpl 64 172208 0 172203 31 30 1 1 0 8 0
knotepl 120 1572 0 0 19 1 18 18 0 8 0
kqueuepl 216 5012 0 4999 62 61 1 12 0 8 0
pipepl 320 4220 0 4184 45 39 6 9 0 8 1
fdescpl 496 18416 0 18370 18 11 7 8 0 8 0
filepl 152 118248 0 117930 104 87 17 23 0 8 0
lockfpl 104 4373 0 4371 4 3 1 2 0 8 0
lockfspl 48 1171 0 1169 1 0 1 1 0 8 0
sessionpl 144 556 0 537 2 0 2 2 0 8 0
pgrppl 48 1476 0 1449 1 0 1 1 0 8 0
ucredpl 104 21819 0 21800 1 0 1 1 0 8 0
zombiepl 144 18370 0 18370 1 0 1 1 0 8 1
processpl 1160 18435 0 18370 8 2 6 6 0 8 0
procpl 648 37982 0 37905 16 8 8 8 0 8 0
srpgc 96 47 0 47 18 18 0 1 0 8 0
sosppl 168 227 0 227 41 40 1 1 0 8 1
sockpl 664 41987 0 41942 393 386 7 26 0 8 3
mcl64k 65536 26 0 0 3 0 3 3 0 8 0
mcl16k 16384 9 0 0 2 0 2 2 0 8 0
mcl12k 12288 8 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 0 3 3 0 8 0
mcl4k 4096 9 0 0 2 0 2 2 0 8 0
mcl2k2 2112 3 0 0 1 0 1 1 0 8 0
mcl2k 2048 738 0 0 28 8 20 27 0 8 0
mtagpl 96 4 0 0 1 0 1 1 0 8 0
mbufpl 256 2533 0 0 136 0 136 136 0 8 0
bufpl 280 28642 0 18536 722 0 722 722 0 8 0
anonpl 24 2328569 0 2318403 345 253 92 112 0 185 2
amapchunkpl 152 478689 0 477770 224 180 44 53 0 158 4
amappl16 200 48898 0 48691 387 362 25 36 0 8 7
amappl15 192 11 0 10 1 0 1 1 0 8 0
amappl14 184 1180 0 1167 1 0 1 1 0 8 0
amappl13 176 41 0 41 6 6 0 1 0 8 0
amappl12 168 26611 0 26561 6 3 3 3 0 8 0
amappl11 160 60 0 50 1 0 1 1 0 8 0
amappl10 152 8 0 7 2 1 1 1 0 8 0
amappl9 144 160 0 158 1 0 1 1 0 8 0
amappl8 136 21 0 18 1 0 1 1 0 8 0
amappl7 128 1160 0 1146 1 0 1 1 0 8 0
amappl6 120 4792 0 4787 1 0 1 1 0 8 0
amappl5 112 2053 0 2044 1 0 1 1 0 8 0
amappl4 104 2059 0 2038 1 0 1 1 0 8 0
amappl3 96 84828 0 84690 4 0 4 4 0 8 0
amappl2 88 20280 0 20184 3 0 3 3 0 8 0
amappl1 80 112068 0 111421 18 1 17 17 0 8 0
amappl 88 145636 0 145375 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 72 135 0 5 3 0 3 3 0 8 0
uaddrrnd 24 18416 0 18370 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 18416 0 18370 1 0 1 1 0 8 0
vmmpekpl 168 169273 0 169202 8 4 4 5 0 8 0
vmmpepl 168 1156835 0 1154230 349 219 130 138 0 357 2
vmsppl 440 18415 0 18370 12 5 7 7 0 8 0
rwobjpl 56 307070 0 295551 197 29 168 169 0 8 1
pdppl 4096 36839 0 36740 1509 1406 103 133 0 8 4
pvpl 32 52209 0 0 408 0 408 408 0 265 0
pmappl 248 18415 0 18370 5 1 4 4 0 8 0
extentpl 40 56 0 38 1 0 1 1 0 8 0
phpool 112 2890 0 2191 22 1 21 21 0 8 0
ddb{1}> machine ddbcpu 0
Stopped at x86_ipi_db+0x27: addq $0x8,%rsp
ddb{0}> trace
x86_ipi_db(ffffffff8347cff0) 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
end of kernel
end trace frame: 0x785c3cd56540, count: -3
ddb{0}> machine ddbcpu 1
Stopped at reaper+0x322: movq 0x8(%rax),%rdi
ddb{1}> trace
reaper(ffff800029fd8cb0) at reaper+0x322 sys/kern/kern_exit.c:492
end trace frame: 0x0, count: -1