kernel: protection fault trap, code=0
Stopped at dtioctl+0x489: movl 0x28(%r12),%r13d
ddb>
ddb> set $lines = 0
ddb> set $maxwidth = 0
ddb> show panic
the kernel did not panic
ddb> show kasan
No such command
ddb> trace
dtioctl(11e60,80184404,ffff80003c9aef80,81,ffff80003c90a560) at dtioctl+0x489 dt_ioctl_probe_enable sys/dev/dt/dt_dev.c:613 [inline]
dtioctl(11e60,80184404,ffff80003c9aef80,81,ffff80003c90a560) at dtioctl+0x489 sys/dev/dt/dt_dev.c:328
VOP_IOCTL(fffff300697f8dd0,80184404,ffff80003c9aef80,81,fffff30007ffd270,ffff80003c90a560) at VOP_IOCTL+0xa3 sys/kern/vfs_vops.c:264
vn_ioctl(fffff30067d889e0,80184404,ffff80003c9aef80,ffff80003c90a560) at vn_ioctl+0xea sys/kern/vfs_vnops.c:537
sys_ioctl(ffff80003c90a560,ffff80003c9af150,ffff80003c9af0a0) at sys_ioctl+0x660 sys/kern/sys_generic.c:-1
syscall(ffff80003c9af150) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80003c9af150) at syscall+0x962 sys/arch/amd64/amd64/trap.c:791
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xce83b1bbd0, count: -6
ddb> show registers
rdi 0xffff80002d4aa000
rsi 0x1bf
rbp 0xffff80003c9aedb0
rbx 0x160
rdx 0xffff80002d4aa000
rcx 0x1be
rax 0xffffffff8318884c dtioctl+0x49c
r8 0xffff80003c90a560
r9 0xffff80003c90a560
r10 0x332e1d1409394c8b
r11 0xd7b71e461519d5a5
r12 0xffff800000c500
r13 0
r14 0xffff80003c9aef80
r15 0xffff800001617180
rip 0xffffffff83188839 dtioctl+0x489
cs 0x8
rflags 0x10206 __ALIGN_SIZE+0xf206
rsp 0xffff80003c9aed30
ss 0x10
dtioctl+0x489: movl 0x28(%r12),%r13d
ddb> show proc
PROC (syz-executor) tid=152109 pid=10618 tcnt=4 stat=onproc
flags process=0 proc=4000000<THREAD>
runpri=32, usrpri=86, slppri=32, nice=20
wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0
forw=0xffffffffffffffff, list=0xffff80003c90a2c8,0xffffffff83ad9fa8
process=0xffff80003c995220 user=0xffff80003c9aa000, vmspace=0xfffff3006d182180
estcpu=36, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0
ddb> ps
PID TID PPID UID S PRLAGS PFLAGS WAIT COMMAND
95578 42594 31983 0 2 0 0xc80 syz-executor
95578 415721 31983 0 3 0 0x4000000 smrbar syz-executor
10618 442835 1869 0 2 0 0 syz-executor
10618 464255 1869 0 3 0 0x4000080 rest syz-executor
10618 157593 1869 0 3 0 0x4000080 bell syz-executor
*10618 152109 1869 0 7 0 0x4000000 syz-executor
46620 274656 0 0 3 0x14000 0x280 nfsidl nfsio
86794 349308 0 0 3 0x14000 0x280 nfsidl nfsio
95914 380435 0 0 3 0x14000 0x280 nfsidl nfsio
50063 147549 0 0 3 0x14000 0x280 nfsidl nfsio
24009 163767 0 0 3 0x14000 0x280 nfsidl nfsio
85301 409783 0 0 3 0x14000 0x280 nfsidl nfsio
64816 294737 0 0 3 0x14000 0x280 nfsidl nfsio
20413 318330 0 0 3 0x14000 0x280 nfsidl nfsio
27778 448729 0 0 3 0x14000 0x280 nfsidl nfsio
67961 295947 0 0 3 0x14000 0x280 nfsidl nfsio
10945 365534 0 0 3 0x14000 0x280 nfsidl nfsio
76748 412704 0 0 3 0x14000 0x280 nfsidl nfsio
54259 59964 0 0 3 0x14000 0x280 nfsidl nfsio
2681 145050 0 0 3 0x14000 0x280 nfsidl nfsio
12930 458561 0 0 3 0x14000 0x280 nfsidl nfsio
99570 72774 0 0 3 0x14000 0x280 nfsidl nfsio
44967 43504 0 0 3 0x14000 0x280 nfsidl nfsio
6162 142370 0 0 3 0x14000 0x280 nfsidl nfsio
93429 523548 0 0 3 0x14000 0x280 nfsidl nfsio
77375 494175 0 0 3 0x14000 0x280 nfsidl nfsio
91070 183180 50435 0 2 0x10 0xc80 syz-executor
91070 297464 50435 0 3 0x10 0x4000080 kqread syz-executor
91070 313249 50435 0 3 0x10 0x4000080 fsleep syz-executor
8615 27497 22827 0 3 0 0x80 nanoslp syz-executor
8615 41974 22827 0 3 0 0x4000080 sbwait syz-executor
8615 478180 22827 0 3 0 0x4000080 fsleep syz-executor
75057 2105 48746 0 3 0 0x80 nanoslp syz-executor
75057 179004 48746 0 3 0 0x4000080 ttyin syz-executor
75057 317284 48746 0 3 0 0x4000080 fsleep syz-executor
75057 220753 48746 0 3 0 0x4000080 fsleep syz-executor
98199 11299 83827 0 2 0 0xc80 syz-executor
98199 257495 83827 0 3 0 0x4000080 kqread syz-executor
98199 195127 83827 0 3 0 0x4000080 fsleep syz-executor
62845 321392 0 0 3 0x14000 0x200 acct acct
74607 521058 23282 0 3 0x1000 0x2000 suspend syz-executor
74607 363658 23282 0 2 0x1000 0x4080000 syz-executor
57503 27969 1 0 3 0x100003 0x80 ttyin getty
83827 170792 13662 0 3 0x2 0x80 nanoslp syz-executor
22827 513647 13662 0 3 0x2 0x80 nanoslp syz-executor
31983 343346 13662 0 2 0x2 0xc80 syz-executor
14458 397008 13662 0 3 0x2 0x80 nanoslp syz-executor
48746 373108 13662 0 3 0x2 0x80 nanoslp syz-executor
23282 427601 13662 0 3 0x2 0x80 nanoslp syz-executor
1869 275409 13662 0 3 0x2 0x80 nanoslp syz-executor
50435 344038 13662 0 2 0x2 0xc80 syz-executor
13662 342207 1 0 3 0x2 0x80 kqread syz-executor
85347 185090 1 0 3 0x2 0x88 kqread sshd
28017 209793 55734 73 3 0x1100010 0x80 kqread syslogd
55734 3505 1 0 3 0x100002 0x80 sbwait syslogd
95595 421350 1 0 3 0x100000 0x80 kqread resolvd
38192 406598 19556 77 3 0x100012 0x80 kqread dhcpleased
81876 358072 19556 77 3 0x100012 0x80 kqread dhcpleased
19556 273038 1 0 3 0 0x80 kqread dhcpleased
19091 2599 0 0 3 0x14000 0x200 bored smr
26123 117279 0 0 2 0x14000 0x200 zerothread
40539 121781 0 0 3 0x14000 0x200 aiodoned aiodoned
97398 340352 0 0 3 0x14000 0x200 syncer update
78595 116686 0 0 3 0x14000 0x200 cleaner cleaner
81345 500138 0 0 3 0x14000 0x200 reaper reaper
77254 495579 0 0 3 0x14000 0x200 pgdaemon pagedaemon
11628 186801 0 0 3 0x14000 0x200 bored viomb
19552 495400 0 0 3 0x14000 0x40000200 acpi0 acpi0
51818 342552 0 0 3 0x14000 0x200 bored softnet0
51153 314357 0 0 3 0x14000 0x200 smrbar systqmp
17892 501544 0 0 3 0x14000 0x200 bored systq
88390 283624 0 0 3 0x14000 0x40000200 tmoslp softclock
25138 71705 0 0 3 0x14000 0x40000200 idle0
1 20151 0 0 3 0x2 0x80 wait init
0 0 -1 0 3 0x10000 0x200 scheduler swapper
ddb> show all locks
No such command
ddb> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 11045 12125K 12329K 166960K 12483 0
pcb 18 14K 15K 166960K 61 0
rtable 231 7K 8K 166960K 385 0
pf 34 13K 19K 166960K 75 0
ifaddr 41 7K 7K 166960K 49 0
ifgroup 52 2K 2K 166960K 64 0
sysctl 3 1K 9K 166960K 10 0
counters 36 18K 18K 166960K 42 0
ioctlops 0 0K 4K 166960K 63 0
iov 1 0K 12K 166960K 11 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1353 85K 85K 166960K 1569 0
UFS quota 1 32K 32K 166960K 1 0
UFS mount 5 36K 36K 166960K 5 0
shm 3 5K 9K 166960K 8 0
VM map 2 1K 1K 166960K 2 0
sem 7 0K 0K 166960K 8 0
dirhash 12 2K 2K 166960K 15 0
ACPI 1734 201K 291K 166960K 11964 0
file desc 18 65K 97K 166960K 260 0
sigio 0 0K 0K 166960K 4 0
proc 60 59K 124K 166960K 522 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 1 0K 0K 166960K 16 0
in_multi 89 6K 6K 166960K 114 0
ether_multi 1 0K 0K 166960K 5 0
mrt 0 0K 0K 166960K 12 0
ISOFS mount 1 32K 32K 166960K 1 0
MSDOSFS mount 1 16K 16K 166960K 1 0
ttys 73 334K 334K 166960K 73 0
exec 0 0K 1K 166960K 383 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 225 142K 165K 166960K 4064 0
UVM aobj 9 2K 3K 166960K 11 0
pinsyscall 34 68K 96K 166960K 1367 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
ip6_options 1 0K 0K 166960K 8 0
NDP 12 0K 2K 166960K 31 0
temp 42 9111K 9118K 166960K 10355 0
kqueue 15 24K 24K 166960K 45 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 43 0 40 1 0 1 1 0 8 0
rtentry 136 118 0 14 4 0 4 4 0 8 0
unpcb 144 104 0 91 1 0 1 1 0 8 0
syncache 336 7 0 7 1 0 1 1 0 8 1
tcpqe 32 4 0 4 1 0 1 1 0 8 1
tcpcb 736 56 0 44 2 0 2 2 0 8 0
arp 96 21 0 2 1 0 1 1 0 8 0
ipq 40 1 0 0 1 0 1 1 0 8 0
ipqe 40 1 0 0 1 0 1 1 0 8 0
inpcb 328 309 0 224 8 0 8 8 0 8 0
nd6 112 25 0 4 1 0 1 1 0 8 0
pkpcb 40 3 0 2 1 0 1 1 0 8 0
kcovpl 48 8 0 0 1 0 1 1 0 8 0
ppxss 1072 7 0 4 1 0 1 1 0 8 0
pppxif 1416 1 0 1 1 0 1 1 0 8 1
pfstscr 40 1 0 0 1 0 1 1 0 8 0
pfrktable 1344 4 0 4 1 0 1 1 0 8 1
pfanchor 1288 5 0 2 1 0 1 1 0 8 0
pftag 88 1 0 1 1 0 1 1 0 8 1
pfstitem 24 5 0 0 1 0 1 1 0 8 0
pfstkey 128 5 0 1 1 0 1 1 0 8 0
pfstate 384 3 0 0 1 0 1 1 0 8 0
pfrule 1360 3 0 3 1 0 1 1 0 8 1
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 467 0 48 30 0 30 30 0 8 2
art_table 40 468 0 48 5 0 5 5 0 8 0
art_node 32 118 0 23 1 0 1 1 0 8 0
semapl 72 6 0 1 1 0 1 1 0 8 0
shmpl 112 8 0 2 1 0 1 1 0 8 0
dirhash 1024 19 0 2 3 0 3 3 0 8 0
dino2pl 256 1847 0 389 92 0 92 92 0 8 0
ffsino 256 1847 0 389 92 0 92 92 0 8 0
nchpl 144 2217 0 515 64 0 64 64 0 8 0
rtmask 32 3 0 1 1 0 1 1 0 8 0
vnodes 216 2053 0 0 115 0 115 115 0 8 0
namei 1024 7026 0 7026 2 0 2 2 0 8 2
pfiaddrpl 120 1 0 1 1 0 1 1 0 8 1
kstatmem 264 31 0 6 2 0 2 2 0 8 0
scsiplug 72 1 0 1 1 0 1 1 0 8 1
scxspl 216 11246 0 11246 4 0 4 4 1 8 4
plimitpl 152 80 0 64 1 0 1 1 0 8 0
sigapl 424 577 0 516 7 0 7 7 0 8 0
knotepl 120 7569 0 7512 9 0 9 9 0 8 7
kqueuepl 184 60 0 49 1 0 1 1 0 8 0
pipepl 304 196 0 168 8 0 8 8 0 8 5
fdescpl 448 543 0 516 5 0 5 5 0 8 1
filepl 120 2915 0 2592 13 0 13 13 0 8 3
lockfpl 104 62 0 60 1 0 1 1 0 8 0
lockfspl 48 26 0 24 1 0 1 1 0 8 0
sessionpl 144 29 0 22 1 0 1 1 0 8 0
pgrppl 48 40 0 25 1 0 1 1 0 8 0
ucredpl 104 409 0 398 1 0 1 1 0 8 0
zombiepl 144 518 0 516 1 0 1 1 0 8 0
processpl 1152 577 0 516 5 0 5 5 0 8 0
procpl 664 774 0 699 7 0 7 7 0 8 0
sockpl 552 461 0 358 8 0 8 8 0 8 0
mcl64k 65536 12 0 12 1 0 1 1 0 8 1
mcl16k 16384 3 0 3 1 0 1 1 0 8 1
mcl9k128 9344 1 0 1 1 0 1 1 0 8 1
mcl8k 8192 8 0 8 1 0 1 1 0 8 1
mcl4k 4096 2686 0 2633 14 0 14 14 0 8 6
mcl2k2 2112 1 0 1 1 0 1 1 0 8 1
mcl2k 2048 357 0 356 1 0 1 1 0 8 0
mextrefs 64 97 0 97 1 0 1 1 0 8 1
mtagpl 96 4 0 4 1 0 1 1 0 8 1
mbufpl 256 5702 0 5552 11 0 11 11 0 8 0
bufpl 272 4447 0 105 290 0 290 290 0 8 0
anonpl 24 103083 0 97387 80 0 80 80 0 187 31
amapchunkpl 152 11795 0 11232 29 0 29 29 0 158 6
amappl16 200 2117 0 1971 34 9 25 34 0 8 14
amappl15 192 3 0 3 1 0 1 1 0 8 1
amappl14 184 408 0 408 1 0 1 1 0 8 1
amappl13 176 115 0 107 1 0 1 1 0 8 0
amappl12 168 780 0 754 2 0 2 2 0 8 0
amappl11 160 4 0 4 1 0 1 1 0 8 1
amappl10 152 61 0 51 1 0 1 1 0 8 0
amappl9 144 270 0 270 1 0 1 1 0 8 1
amappl8 136 94 0 93 1 0 1 1 0 8 0
amappl7 128 146 0 134 1 0 1 1 0 8 0
amappl6 120 149 0 148 1 0 1 1 0 8 0
amappl5 112 89 0 84 1 0 1 1 0 8 0
amappl4 104 275 0 259 1 0 1 1 0 8 0
amappl3 96 2110 0 2014 3 0 3 3 0 8 0
amappl2 88 665 0 603 2 0 2 2 0 8 0
amappl1 80 11032 0 10641 14 0 14 14 0 8 6
amappl 88 3351 0 3183 4 0 4 4 0 92 0
uvmvnodes 80 101 0 0 3 0 3 3 0 8 0
dma4096 4096 1 0 1 1 0 1 1 0 8 1
dma1024 1024 1 0 0 1 0 1 1 0 8 0
dma256 256 6 0 6 1 0 1 1 0 8 1
dma128 128 254 0 254 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 10 0 2 1 0 1 1 0 8 0
uaddrrnd 24 543 0 516 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 543 0 516 1 0 1 1 0 8 0
vmmpekpl 168 6697 0 6667 3 0 3 3 0 8 0
vmmpepl 168 44673 0 43014 95 0 95 95 0 357 18
vmsppl 368 542 0 516 4 0 4 4 0 8 1
rwobjpl 40 16142 0 15177 15 0 15 15 0 8 1
pdppl 4096 1092 0 1032 96 34 62 82 0 8 2
pvpl 32 269712 0 259262 172 0 172 172 0 265 60
pmappl 216 542 0 516 3 0 3 3 0 8 0
extentpl 40 46 0 28 1 0 1 1 0 8 0
phpool 112 651 0 34 18 0 18 18 0 8 0
ddb> machine ddbcpu 0
No such command
ddb> trace
dtioctl(11e60,80184404,ffff80003c9aef80,81,ffff80003c90a560) at dtioctl+0x489 dt_ioctl_probe_enable sys/dev/dt/dt_dev.c:613 [inline]
dtioctl(11e60,80184404,ffff80003c9aef80,81,ffff80003c90a560) at dtioctl+0x489 sys/dev/dt/dt_dev.c:328
VOP_IOCTL(fffff300697f8dd0,80184404,ffff80003c9aef80,81,fffff30007ffd270,ffff80003c90a560) at VOP_IOCTL+0xa3 sys/kern/vfs_vops.c:264
vn_ioctl(fffff30067d889e0,80184404,ffff80003c9aef80,ffff80003c90a560) at vn_ioctl+0xea sys/kern/vfs_vnops.c:537
sys_ioctl(ffff80003c90a560,ffff80003c9af150,ffff80003c9af0a0) at sys_ioctl+0x660 sys/kern/sys_generic.c:-1
syscall(ffff80003c9af150) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80003c9af150) at syscall+0x962 sys/arch/amd64/amd64/trap.c:791
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xce83b1bbd0, count: -6
ddb> machine ddbcpu 1
No such command
ddb> trace
dtioctl(11e60,80184404,ffff80003c9aef80,81,ffff80003c90a560) at dtioctl+0x489 dt_ioctl_probe_enable sys/dev/dt/dt_dev.c:613 [inline]
dtioctl(11e60,80184404,ffff80003c9aef80,81,ffff80003c90a560) at dtioctl+0x489 sys/dev/dt/dt_dev.c:328
VOP_IOCTL(fffff300697f8dd0,80184404,ffff80003c9aef80,81,fffff30007ffd270,ffff80003c90a560) at VOP_IOCTL+0xa3 sys/kern/vfs_vops.c:264
vn_ioctl(fffff30067d889e0,80184404,ffff80003c9aef80,ffff80003c90a560) at vn_ioctl+0xea sys/kern/vfs_vnops.c:537
sys_ioctl(ffff80003c90a560,ffff80003c9af150,ffff80003c9af0a0) at sys_ioctl+0x660 sys/kern/sys_generic.c:-1
syscall(ffff80003c9af150) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80003c9af150) at syscall+0x962 sys/arch/amd64/amd64/trap.c:791
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xce83b1bbd0, count: -6
ddb>