kernel: protection fault trap, code=0
Stopped at fill_file+0xb88: movl 0x8(%rax),%eax
ddb>
ddb> set $lines = 0
ddb> set $maxwidth = 0
ddb> show panic
the kernel did not panic
ddb> trace
fill_file(ffff8000012c6800,fffffd8079c22a58,fffffd806c537370,5,0,ffff80002a551120,de6dd32e50957b,1007d,5) at fill_file+0xb88 sys/kern/kern_sysctl.c:1548
sysctl_file(ffff80002a4fb468,4,20000100,ffff80002a4fb498,ffff8000376256e8) at sysctl_file+0x7db sys/kern/kern_sysctl.c:1728
kern_sysctl(ffff80002a4fb464,5,20000100,ffff80002a4fb498,0,fffffffffffffe59,228b6a869dcf2f4e) at kern_sysctl+0x5ff sys/kern/kern_sysctl.c:493
sys_sysctl(ffff8000376256e8,ffff80002a4fb5d0,ffff80002a4fb520) at sys_sysctl+0x41f
syscall(ffff80002a4fb5d0) at syscall+0x97e sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x2825f19afb0, count: -6
ddb> show registers
rdi 0xffff80002d9de000
rsi 0x57d8 __ALIGN_SIZE+0x47d8
rbp 0xffff80002a4fb1c0
rbx 0xfffffd806c537370
rdx 0xffff80002d9de000
rcx 0x57d7 __ALIGN_SIZE+0x47d7
rax 0x6fd25829cb1a5669
r8 0xffff80002a5bb668
r9 0
r10 0xb94b40e5b0140281
r11 0x4e313007bf713332
r12 0xffff8000376256e8
r13 0x5
r14 0xffff80002a551120
r15 0xffff8000012c6800
rip 0xffffffff81581e58 fill_file+0xb88
cs 0x8
rflags 0x10246 __ALIGN_SIZE+0xf246
rsp 0xffff80002a4fb090
ss 0
fill_file+0xb88: movl 0x8(%rax),%eax
ddb> show proc
PROC (syz-executor) tid=25871 pid=56280 tcnt=2 stat=onproc
flags process=8000010<SUGID,PIN> proc=4000000<THREAD>
runpri=32, usrpri=84, slppri=32, nice=20
wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0
forw=0xffffffffffffffff, list=0xffff80002a5602b8,0xffff80002a560a60
process=0xffff80002a551560 user=0xffff80002a4f6000, vmspace=0xfffffd806bdb32c8
estcpu=34, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0
ddb> ps
PID TID PPID UID S FLAGS WAIT COMMAND
46681 346382 30320 0 3 0x8000000 futex syz-executor
46681 319104 30320 0 3 0xc000000 futex syz-executor
84115 81431 34908 0 2 0x8000000 syz-executor
84115 15618 34908 0 3 0xc000080 fsleep syz-executor
84115 220937 34908 0 2 0xc000000 syz-executor
53067 504748 47794 0 2 0x8000000 syz-executor
53067 16922 47794 0 3 0xc000000 futex syz-executor
66225 23745 42955 0 2 0x8000000 syz-executor
66225 101093 42955 0 3 0xc000080 fsleep syz-executor
66225 476582 42955 0 2 0xc000000 syz-executor
37937 408391 19261 0 2 0x8000010 syz-executor
37937 515465 19261 0 3 0xc000010 futex syz-executor
56280 131746 33430 60928 2 0x8000010 syz-executor
*56280 25871 33430 60928 7 0xc000010 syz-executor
30721 441380 69271 0 2 0x8000000 syz-executor
30721 499817 69271 0 3 0xc000080 ttyopn syz-executor
30721 126708 69271 0 3 0xc000080 ttyopn syz-executor
30721 96110 69271 0 2 0xc000000 syz-executor
30721 478247 69271 0 3 0xc000080 fsleep syz-executor
42955 301573 225 0 3 0x8000082 nanoslp syz-executor
30320 362896 225 0 3 0x8000082 nanoslp syz-executor
92686 116612 225 0 2 0x8000002 syz-executor
69271 45477 225 0 3 0x8000082 nanoslp syz-executor
34908 387909 225 0 3 0x8000082 nanoslp syz-executor
33430 148917 225 0 3 0x8000082 nanoslp syz-executor
47794 261119 225 0 3 0x8000082 nanoslp syz-executor
19261 151667 225 0 3 0x8000082 nanoslp syz-executor
3574 331739 1 0 3 0x18100083 ttyin getty
17286 90934 0 0 3 0x14280 nfsidl nfsio
37825 122728 0 0 3 0x14280 nfsidl nfsio
89613 27760 0 0 3 0x14280 nfsidl nfsio
77595 351708 0 0 3 0x14280 nfsidl nfsio
38838 370749 0 0 3 0x14280 nfsidl nfsio
19293 377887 0 0 3 0x14280 nfsidl nfsio
29715 117693 0 0 3 0x14280 nfsidl nfsio
39611 2223 0 0 3 0x14280 nfsidl nfsio
96276 138982 0 0 3 0x14280 nfsidl nfsio
29207 226750 0 0 3 0x14280 nfsidl nfsio
60590 486838 0 0 3 0x14280 nfsidl nfsio
44880 4650 0 0 3 0x14280 nfsidl nfsio
21708 137490 0 0 3 0x14280 nfsidl nfsio
22038 451330 0 0 3 0x14280 nfsidl nfsio
23907 190298 0 0 3 0x14280 nfsidl nfsio
5576 464375 0 0 3 0x14280 nfsidl nfsio
16116 474631 0 0 3 0x14280 nfsidl nfsio
32796 422736 0 0 3 0x14280 nfsidl nfsio
99214 48409 0 0 3 0x14280 nfsidl nfsio
24958 134210 0 0 3 0x14280 nfsidl nfsio
16462 174591 0 0 3 0x14200 bored sosplice
225 14776 91084 0 3 0x8000082 kqread syz-executor
91084 96334 24602 0 3 0x810008a sigsusp ksh
24602 270467 38230 0 3 0x18000098 kqread sshd-session
38230 267425 11511 0 3 0x18000092 kqread sshd-session
11511 285845 1 0 3 0x18000088 kqread sshd
70538 458542 17303 73 2 0x19100010 syslogd
17303 434691 1 0 3 0x18100082 sbwait syslogd
90927 268554 1 0 3 0x18100080 kqread resolvd
23782 263452 3232 77 3 0x18100092 kqread dhcpleased
45589 220927 3232 77 3 0x18100092 kqread dhcpleased
3232 201711 1 0 3 0x18000080 kqread dhcpleased
97801 16746 0 0 3 0x14200 bored smr
422 411183 0 0 2 0x14200 zerothread
50079 341797 0 0 3 0x14200 aiodoned aiodoned
63333 191735 0 0 3 0x14200 syncer update
11391 38438 0 0 3 0x14200 cleaner cleaner
8164 326401 0 0 3 0x14200 reaper reaper
25509 465208 0 0 3 0x14200 pgdaemon pagedaemon
87593 348272 0 0 3 0x14200 bored viomb
56573 296939 0 0 3 0x40014200 acpi0 acpi0
18813 376123 0 0 3 0x14200 bored softnet3
64775 196830 0 0 3 0x14200 bored softnet2
87323 115995 0 0 3 0x14200 bored softnet1
82097 235434 0 0 3 0x14200 bored softnet0
75965 363414 0 0 3 0x14200 bored systqmp
57154 280658 0 0 3 0x14200 bored systq
96878 82541 0 0 3 0x40014200 tmoslp softclock
79648 445342 0 0 3 0x40014200 idle0
1 308665 0 0 3 0x8080082 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 10227 10307K 10559K 166960K 13372 0
pcb 18 15K 16K 166960K 325 0
rtable 206 10K 11K 166960K 1945 0
pf 38 14K 17K 166960K 195 0
ifaddr 40 7K 8K 166960K 266 0
ifgroup 58 2K 2K 166960K 308 0
sysctl 4 1K 1K 166960K 4 0
counters 32 17K 17K 166960K 95 0
ioctlops 0 0K 4K 166960K 232 0
iov 0 0K 16K 166960K 200 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1490 94K 94K 166960K 3419 0
UFS quota 1 32K 32K 166960K 1 0
UFS mount 5 36K 36K 166960K 5 0
shm 2 68K 76K 166960K 24 0
VM map 2 1K 1K 166960K 2 0
sem 12 0K 0K 166960K 132 0
dirhash 12 2K 3K 166960K 36 0
ACPI 1697 195K 286K 166960K 12548 0
file desc 17 61K 97K 166960K 1695 0
sigio 1 0K 0K 166960K 12 0
proc 60 59K 124K 166960K 1943 0
subproc 104 6K 6K 166960K 757 0
NFS srvsock 1 0K 0K 166960K 1 0
NFS daemon 1 16K 16K 166960K 1 0
ip_moptions 2 0K 0K 166960K 198 0
in_multi 87 6K 7K 166960K 670 0
ether_multi 1 0K 0K 166960K 9 0
mrt 1 0K 0K 166960K 3 0
ISOFS mount 1 32K 32K 166960K 1 0
MSDOSFS mount 1 16K 16K 166960K 1 0
ttys 229 1023K 1023K 166960K 229 0
exec 0 0K 1K 166960K 1237 0
tdb 3 0K 0K 166960K 3 0
VM swap 8 62K 64K 166960K 10 0
UVM amap 231 106K 123K 166960K 14302 0
UVM aobj 105 5K 5K 166960K 108 0
pinsyscall 38 76K 100K 166960K 4015 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
ip6_options 0 0K 0K 166960K 40 0
NDP 13 0K 2K 166960K 192 0
temp 78 6809K 6880K 166960K 79055 0
kqueue 14 22K 26K 166960K 164 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 120 247 0 244 2 1 1 2 0 8 0
rtentry 112 676 0 589 4 0 4 4 0 8 0
unpcb 144 1540 0 1521 6 5 1 6 0 8 0
syncache 336 4 0 4 1 1 0 1 0 8 0
tcpcb 808 577 0 572 8 7 1 8 0 8 0
arp 88 120 0 104 1 0 1 1 0 8 0
ipq 40 6 0 6 1 0 1 1 0 8 1
ipqe 40 135 0 135 1 0 1 1 0 8 1
inpcb 336 2208 0 2196 21 17 4 18 0 8 2
nd6 104 181 0 159 1 0 1 1 0 8 0
pkpcb 40 135 0 135 1 1 0 1 0 8 0
kcovpl 48 58 0 50 1 0 1 1 0 8 0
ppxss 1072 5 0 5 1 1 0 1 0 8 0
pfstscr 40 1 0 1 1 1 0 1 0 8 0
pfosfp 40 1 0 0 1 0 1 1 0 8 0
pfosfpen 112 1 0 0 1 0 1 1 0 8 0
pfrktable 1344 5 0 2 1 0 1 1 0 8 0
pfanchor 1288 1 0 0 1 0 1 1 0 8 0
pftag 88 4 0 2 1 0 1 1 0 8 0
pfqueue 264 1 0 1 1 1 0 1 0 8 0
pfstitem 24 1 0 0 1 0 1 1 0 8 0
pfstkey 128 3 0 2 1 0 1 1 0 8 0
pfstate 344 2 0 1 1 0 1 1 0 8 0
pfrule 1344 41 0 7 3 0 3 3 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 2736 0 2339 30 2 28 30 0 8 0
art_table 32 2737 0 2339 4 0 4 4 0 8 0
art_node 16 674 0 596 1 0 1 1 0 8 0
sysvmsgpl 40 1 0 1 1 1 0 1 0 8 0
semupl 112 2 0 2 1 1 0 1 0 8 0
semapl 112 129 0 119 1 0 1 1 0 8 0
shmpl 112 105 0 3 3 0 3 3 0 8 0
dirhash 1024 33 0 16 3 0 3 3 0 8 0
dino2pl 256 3452 0 1854 101 0 101 101 0 8 0
ffsino 240 3452 0 1854 95 0 95 95 0 8 0
nchpl 144 4947 0 4338 65 40 25 65 0 8 0
uvmvnodes 80 5164 0 0 106 0 106 106 0 8 0
vnodes 216 5164 0 0 287 0 287 287 0 8 0
namei 1024 23285 0 23284 2 1 1 2 0 8 0
vcpupl 3904 4 0 1 1 0 1 1 0 8 0
vmpool 664 7 0 4 1 0 1 1 0 8 0
pfiaddrpl 120 1 0 0 1 0 1 1 0 8 0
kstatmem 264 152 0 126 2 0 2 2 0 8 0
scsiplug 72 3 0 3 1 1 0 1 0 8 0
scxspl 216 33819 0 33819 8 0 8 8 1 8 8
plimitpl 152 409 0 391 1 0 1 1 0 8 0
sigapl 424 1895 0 1829 8 0 8 8 0 8 0
futexpl 64 18583 0 18579 1 0 1 1 0 8 0
knotepl 120 31331 0 31275 18 8 10 10 0 8 7
kqueuepl 184 367 0 357 3 2 1 3 0 8 0
pipepl 288 440 0 411 7 4 3 7 0 8 0
fdescpl 432 1858 0 1829 5 1 4 5 0 8 0
filepl 120 13353 0 13091 18 9 9 18 0 8 0
lockfpl 104 545 0 543 2 1 1 2 0 8 0
lockfspl 48 252 0 249 1 0 1 1 0 8 0
sessionpl 144 72 0 64 1 0 1 1 0 8 0
pgrppl 48 139 0 123 1 0 1 1 0 8 0
ucredpl 104 1948 0 1935 1 0 1 1 0 8 0
zombiepl 144 1853 0 1853 1 0 1 1 0 8 1
processpl 1088 1895 0 1829 5 0 5 5 0 8 0
procpl 648 3221 0 3143 8 1 7 8 0 8 0
sosppl 168 2 0 2 1 1 0 1 0 8 0
sockpl 504 4148 0 4114 66 58 8 29 0 8 3
mcl64k 65536 11 0 11 1 1 0 1 0 8 0
mcl16k 16384 1 0 1 1 1 0 1 0 8 0
mcl12k 12288 2 0 2 1 1 0 1 0 8 0
mcl9k 9216 1 0 1 1 1 0 1 0 8 0
mcl8k 8192 46 0 46 2 1 1 1 0 8 1
mcl4k 4096 5 0 5 2 1 1 1 0 8 1
mcl2k 2048 8473 0 8377 29 16 13 29 0 8 0
mtagpl 96 30 0 26 1 0 1 1 0 8 0
mbufpl 256 22035 0 21839 32 17 15 28 0 8 0
bufpl 280 11433 0 3549 564 0 564 564 0 8 0
anonpl 24 313089 0 309739 79 46 33 79 0 187 0
amapchunkpl 152 48078 0 47590 46 23 23 42 0 158 1
amappl16 200 5761 0 5736 15 12 3 14 0 8 0
amappl15 192 11 0 11 1 1 0 1 0 8 0
amappl14 184 213 0 203 1 0 1 1 0 8 0
amappl13 176 7 0 7 1 1 0 1 0 8 0
amappl12 168 3268 0 3239 3 1 2 3 0 8 0
amappl11 160 60 0 50 1 0 1 1 0 8 0
amappl10 152 14 0 14 1 1 0 1 0 8 0
amappl9 144 137 0 137 1 1 0 1 0 8 0
amappl8 136 29 0 27 1 0 1 1 0 8 0
amappl7 128 196 0 186 1 0 1 1 0 8 0
amappl6 120 670 0 669 1 0 1 1 0 8 0
amappl5 112 330 0 322 1 0 1 1 0 8 0
amappl4 104 445 0 429 1 0 1 1 0 8 0
amappl3 96 8888 0 8776 4 0 4 4 0 8 0
amappl2 88 1307 0 1247 2 0 2 2 0 8 0
amappl1 80 15210 0 14676 14 2 12 14 0 8 0
amappl 88 13508 0 13335 5 0 5 5 0 92 0
dma4096 4096 1 0 1 1 1 0 1 0 8 0
dma1024 1024 2 0 1 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 7 0 7 1 1 0 1 0 8 0
dma32 32 7 0 7 1 1 0 1 0 8 0
dma16 16 19 0 18 1 0 1 1 0 8 0
aobjpl 72 107 0 3 2 0 2 2 0 8 0
uaddrrnd 24 1865 0 1833 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 1865 0 1833 1 0 1 1 0 8 0
vmmpekpl 168 15729 0 15679 3 0 3 3 0 8 0
vmmpepl 168 119178 0 117408 89 9 80 89 0 357 0
vmsppl 344 1864 0 1833 4 0 4 4 0 8 0
rwobjpl 24 40575 0 34441 38 0 38 38 0 8 0
pdppl 4096 3736 0 3669 180 111 69 82 0 8 2
pvpl 32 947085 0 936941 357 257 100 350 0 265 4
pmappl 216 1864 0 1833 3 1 2 3 0 8 0
extentpl 40 56 0 38 1 0 1 1 0 8 0
phpool 112 590 0 240 12 0 12 12 0 8 0
ddb> machine ddbcpu 0
No such command
ddb> trace
fill_file(ffff8000012c6800,fffffd8079c22a58,fffffd806c537370,5,0,ffff80002a551120,de6dd32e50957b,1007d,5) at fill_file+0xb88 sys/kern/kern_sysctl.c:1548
sysctl_file(ffff80002a4fb468,4,20000100,ffff80002a4fb498,ffff8000376256e8) at sysctl_file+0x7db sys/kern/kern_sysctl.c:1728
kern_sysctl(ffff80002a4fb464,5,20000100,ffff80002a4fb498,0,fffffffffffffe59,228b6a869dcf2f4e) at kern_sysctl+0x5ff sys/kern/kern_sysctl.c:493
sys_sysctl(ffff8000376256e8,ffff80002a4fb5d0,ffff80002a4fb520) at sys_sysctl+0x41f
syscall(ffff80002a4fb5d0) at syscall+0x97e sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x2825f19afb0, count: -6
ddb> machine ddbcpu 1
No such command
ddb> trace
fill_file(ffff8000012c6800,fffffd8079c22a58,fffffd806c537370,5,0,ffff80002a551120,de6dd32e50957b,1007d,5) at fill_file+0xb88 sys/kern/kern_sysctl.c:1548
sysctl_file(ffff80002a4fb468,4,20000100,ffff80002a4fb498,ffff8000376256e8) at sysctl_file+0x7db sys/kern/kern_sysctl.c:1728
kern_sysctl(ffff80002a4fb464,5,20000100,ffff80002a4fb498,0,fffffffffffffe59,228b6a869dcf2f4e) at kern_sysctl+0x5ff sys/kern/kern_sysctl.c:493
sys_sysctl(ffff8000376256e8,ffff80002a4fb5d0,ffff80002a4fb520) at sys_sysctl+0x41f
syscall(ffff80002a4fb5d0) at syscall+0x97e sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x2825f19afb0, count: -6