kernel: protection fault trap, code=0
Stopped at ktrops+0x4f: movq 0x8(%r14),%r14
ddb>
ddb> set $lines = 0
ddb> set $maxwidth = 0
ddb> show panic
the kernel did not panic
ddb> trace
ktrops(ffff80002a611558,dead4110dead4110,0,c0001208,fffffd806c2cc470,fffffd807f7d7820) at ktrops+0x4f ktrcanset sys/kern/kern_ktrace.c:718 [inline]
ktrops(ffff80002a611558,dead4110dead4110,0,c0001208,fffffd806c2cc470,fffffd807f7d7820) at ktrops+0x4f sys/kern/kern_ktrace.c:561
doktrace(fffffd806c2cc470,4,40001208,0,ffff80002a611558) at doktrace+0x514 ktrsetchildren sys/kern/kern_ktrace.c:586 [inline]
doktrace(fffffd806c2cc470,4,40001208,0,ffff80002a611558) at doktrace+0x514 sys/kern/kern_ktrace.c:508
sys_ktrace(ffff80002a611558,ffff80002a695b00,ffff80002a695a50) at sys_ktrace+0xd6 sys/kern/kern_ktrace.c:549
syscall(ffff80002a695b00) at syscall+0x538 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7650fb934400, count: -5
ddb> show registers
rdi 0xffff80002a611558
rsi 0xdead4110dead4110
rbp 0xffff80002a695830
rbx 0xfffffd807f7d7820
rdx 0
rcx 0xc0001208
rax 0x1
r8 0xfffffd806c2cc470
r9 0xfffffd807f7d7820
r10 0xb6b77088e0f754ec
r11 0x534e6a819e0c4e1a
r12 0xffff80002a611558
r13 0xdead4110dead4110
r14 0xdead4110dead4110
r15 0xc0001208
rip 0xffffffff8260628f ktrops+0x4f
cs 0x8
rflags 0x10246 __ALIGN_SIZE+0xf246
rsp 0xffff80002a6957b0
ss 0x10
ktrops+0x4f: movq 0x8(%r14),%r14
ddb> show proc
PROC (syz-executor3250419383) tid=281886 pid=98659 tcnt=1 stat=onproc
flags process=8000000 proc=0
runpri=17, usrpri=51, slppri=17, nice=20
wchan=0x0, wmesg=, ps_single=0x0
forw=0xffffffffffffffff, list=0xffff80002a611d50,0xffff80002a610820
process=0xffff8000ffff25c8 user=0xffff80002a690000, vmspace=0xfffffd8074d0b2c8
estcpu=36, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0
ddb> ps
PID TID PPID UID S FLAGS WAIT COMMAND
59721 524089 98769 0 2 0x8000000 syz-executor3250419383
*98659 281886 68322 0 7 0x8000000 syz-executor3250419383
89938 419700 4910 0 2 0x8000480 syz-executor3250419383
68322 94793 4910 0 3 0x8000080 nanoslp syz-executor3250419383
1264 302557 4910 0 2 0x8000480 syz-executor3250419383
98769 233526 4910 0 3 0x8000080 nanoslp syz-executor3250419383
54624 413283 4910 0 2 0x8000000 syz-executor3250419383
16136 384153 4910 0 2 0x8000000 syz-executor3250419383
28828 136713 4910 0 3 0x8000080 nanoslp syz-executor3250419383
67314 484641 4910 0 2 0x8000000 syz-executor3250419383
4910 129366 62090 0 3 0x8000082 nanoslp syz-executor3250419383
62090 324860 47797 0 3 0x810008a sigsusp ksh
47797 263090 57613 0 3 0x1800009a kqread sshd
14763 325076 1 0 3 0x18100083 ttyin getty
57613 69475 1 0 3 0x18000088 kqread sshd
31134 385260 23212 73 3 0x19100090 kqread syslogd
23212 195725 1 0 3 0x18100082 netio syslogd
67241 281746 1 0 3 0x18100080 kqread resolvd
35250 256923 54565 77 3 0x18100092 kqread dhcpleased
70907 60247 54565 77 3 0x18100092 kqread dhcpleased
54565 481876 1 0 3 0x18000080 kqread dhcpleased
15513 472546 0 0 3 0x14200 bored smr
79400 348575 0 0 3 0x14200 pgzero zerothread
37778 372883 0 0 3 0x14200 aiodoned aiodoned
70416 147417 0 0 3 0x14200 syncer update
76507 247244 0 0 3 0x14200 cleaner cleaner
23597 112686 0 0 3 0x14200 reaper reaper
34436 300627 0 0 3 0x14200 pgdaemon pagedaemon
28889 482753 0 0 3 0x14200 bored viomb
84388 347053 0 0 3 0x40014200 acpi0 acpi0
34927 282057 0 0 3 0x14200 bored softnet3
41084 356463 0 0 3 0x14200 bored softnet2
31125 315483 0 0 3 0x14200 bored softnet1
79122 427025 0 0 3 0x14200 bored softnet0
86833 467267 0 0 3 0x14200 bored systqmp
32885 266169 0 0 3 0x14200 bored systq
52457 366873 0 0 3 0x40014200 tmoslp softclock
56553 230837 0 0 3 0x40014200 idle0
1 425451 0 0 3 0x8000082 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 10137 6382K 6413K 166960K 11215 0
pcb 15 10K 10K 166960K 15 0
rtable 58 1K 2K 166960K 110 0
pf 12 6K 6K 166960K 12 0
ifaddr 11 5K 5K 166960K 11 0
ifgroup 17 1K 1K 166960K 17 0
counters 22 16K 16K 166960K 22 0
ioctlops 0 0K 2K 166960K 21 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1259 79K 79K 166960K 1275 0
UFS quota 1 32K 32K 166960K 1 0
UFS mount 5 36K 36K 166960K 5 0
shm 2 1K 1K 166960K 2 0
VM map 2 1K 1K 166960K 2 0
sem 2 0K 0K 166960K 2 0
dirhash 12 2K 2K 166960K 12 0
ACPI 1697 195K 286K 166960K 12548 0
file desc 1 0K 0K 166960K 1 0
proc 55 58K 59K 166960K 246 0
NFS srvsock 1 0K 0K 166960K 1 0
NFS daemon 1 16K 16K 166960K 1 0
in_multi 11 0K 0K 166960K 11 0
ether_multi 1 0K 0K 166960K 1 0
ISOFS mount 1 32K 32K 166960K 1 0
MSDOSFS mount 1 16K 16K 166960K 1 0
ttys 25 122K 122K 166960K 25 0
exec 0 0K 1K 166960K 243 0
tdb 3 0K 0K 166960K 3 0
VM swap 8 62K 64K 166960K 10 0
UVM amap 119 5K 6K 166960K 2432 0
UVM aobj 3 2K 2K 166960K 3 0
pinsyscall 31 62K 74K 166960K 977 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
NDP 3 0K 0K 166960K 3 0
temp 1 6788K 6852K 166960K 3038 0
kqueue 11 16K 18K 166960K 24 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 20 0 17 1 0 1 1 0 8 0
rtentry 112 23 0 1 1 0 1 1 0 8 0
unpcb 144 291 0 276 1 0 1 1 0 8 0
syncache 336 5 0 5 1 0 1 1 0 8 1
tcpqe 32 84 0 84 1 0 1 1 0 8 1
tcpcb 808 8 0 5 1 0 1 1 0 8 0
arp 88 2 0 0 1 0 1 1 0 8 0
inpcb 360 26 0 20 1 0 1 1 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 97 0 0 7 0 7 7 0 8 0
art_table 32 98 0 0 1 0 1 1 0 8 0
art_node 16 22 0 2 1 0 1 1 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 1772 0 244 96 0 96 96 0 8 0
ffsino 240 1772 0 244 90 0 90 90 0 8 0
nchpl 144 2215 0 551 63 0 63 63 0 8 1
uvmvnodes 80 1781 0 0 37 0 37 37 0 8 0
vnodes 216 1781 0 0 99 0 99 99 0 8 0
namei 1024 5512 0 5509 2 0 2 2 0 8 1
kstatmem 264 6 0 0 1 0 1 1 0 8 0
scxspl 216 6349 0 6349 2 0 2 2 1 8 2
plimitpl 152 16 0 10 1 0 1 1 0 8 0
sigapl 424 446 0 404 6 0 6 6 0 8 0
knotepl 120 4685 0 4656 2 0 2 2 0 8 1
kqueuepl 184 20 0 13 1 0 1 1 0 8 0
pipepl 288 87 0 84 1 0 1 1 0 8 0
fdescpl 432 430 0 407 4 0 4 4 0 8 1
filepl 120 1643 0 1585 3 0 3 3 0 8 1
lockfpl 104 6 0 4 1 0 1 1 0 8 0
lockfspl 48 4 0 2 1 0 1 1 0 8 0
sessionpl 144 17 0 9 1 0 1 1 0 8 0
pgrppl 48 17 0 9 1 0 1 1 0 8 0
ucredpl 104 66 0 56 1 0 1 1 0 8 0
zombiepl 144 407 0 404 1 0 1 1 0 8 0
processpl 1072 446 0 404 4 0 4 4 0 8 0
procpl 680 446 0 404 4 0 4 4 0 8 0
sockpl 488 337 0 313 5 0 5 5 0 8 1
mcl8k 8192 4 0 4 1 0 1 1 0 8 1
mcl4k 4096 10 0 10 1 0 1 1 0 8 1
mcl2k 2048 12258 0 12219 27 14 13 27 0 8 7
mtagpl 96 4 0 4 1 0 1 1 0 8 1
mbufpl 256 20054 0 20011 14 3 11 14 0 8 8
bufpl 280 2752 0 84 191 0 191 191 0 8 0
anonpl 24 206157 0 204173 24 0 24 24 0 188 12
amapchunkpl 152 9217 0 9013 9 0 9 9 0 158 0
amappl16 200 6242 0 6232 5 0 5 5 0 8 4
amappl15 192 18 0 18 1 0 1 1 0 8 1
amappl14 184 111 0 102 1 0 1 1 0 8 0
amappl13 176 11 0 11 1 0 1 1 0 8 1
amappl12 168 840 0 820 1 0 1 1 0 8 0
amappl11 160 70 0 60 1 0 1 1 0 8 0
amappl10 152 11 0 11 1 0 1 1 0 8 1
amappl9 144 125 0 125 1 0 1 1 0 8 1
amappl8 136 25 0 24 1 0 1 1 0 8 0
amappl7 128 21 0 20 1 0 1 1 0 8 0
amappl6 120 162 0 150 1 0 1 1 0 8 0
amappl5 112 124 0 112 1 0 1 1 0 8 0
amappl4 104 528 0 494 2 0 2 2 0 8 1
amappl3 96 2492 0 2449 2 0 2 2 0 8 0
amappl2 88 596 0 546 2 0 2 2 0 8 0
amappl1 80 9185 0 8737 11 0 11 11 0 8 1
amappl 88 2135 0 2061 2 0 2 2 0 92 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 128 253 0 253 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 2 0 0 1 0 1 1 0 8 0
uaddrrnd 24 430 0 407 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 430 0 407 1 0 1 1 0 8 0
vmmpekpl 168 5885 0 5869 1 0 1 1 0 8 0
vmmpepl 168 39003 0 37859 56 0 56 56 0 357 6
vmsppl 352 429 0 407 3 0 3 3 0 8 1
rwobjpl 24 20451 0 18003 15 0 15 15 0 8 0
pdppl 4096 866 0 814 78 14 64 64 0 8 12
pvpl 32 303377 0 298866 51 0 51 51 0 265 13
pmappl 216 429 0 407 2 0 2 2 0 8 0
extentpl 40 56 0 38 1 0 1 1 0 8 0
phpool 112 330 0 31 9 0 9 9 0 8 0
ddb> machine ddbcpu 0
No such command
ddb> trace
ktrops(ffff80002a611558,dead4110dead4110,0,c0001208,fffffd806c2cc470,fffffd807f7d7820) at ktrops+0x4f ktrcanset sys/kern/kern_ktrace.c:718 [inline]
ktrops(ffff80002a611558,dead4110dead4110,0,c0001208,fffffd806c2cc470,fffffd807f7d7820) at ktrops+0x4f sys/kern/kern_ktrace.c:561
doktrace(fffffd806c2cc470,4,40001208,0,ffff80002a611558) at doktrace+0x514 ktrsetchildren sys/kern/kern_ktrace.c:586 [inline]
doktrace(fffffd806c2cc470,4,40001208,0,ffff80002a611558) at doktrace+0x514 sys/kern/kern_ktrace.c:508
sys_ktrace(ffff80002a611558,ffff80002a695b00,ffff80002a695a50) at sys_ktrace+0xd6 sys/kern/kern_ktrace.c:549
syscall(ffff80002a695b00) at syscall+0x538 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7650fb934400, count: -5
ddb> machine ddbcpu 1
No such command
ddb> trace
ktrops(ffff80002a611558,dead4110dead4110,0,c0001208,fffffd806c2cc470,fffffd807f7d7820) at ktrops+0x4f ktrcanset sys/kern/kern_ktrace.c:718 [inline]
ktrops(ffff80002a611558,dead4110dead4110,0,c0001208,fffffd806c2cc470,fffffd807f7d7820) at ktrops+0x4f sys/kern/kern_ktrace.c:561
doktrace(fffffd806c2cc470,4,40001208,0,ffff80002a611558) at doktrace+0x514 ktrsetchildren sys/kern/kern_ktrace.c:586 [inline]
doktrace(fffffd806c2cc470,4,40001208,0,ffff80002a611558) at doktrace+0x514 sys/kern/kern_ktrace.c:508
sys_ktrace(ffff80002a611558,ffff80002a695b00,ffff80002a695a50) at sys_ktrace+0xd6 sys/kern/kern_ktrace.c:549
syscall(ffff80002a695b00) at syscall+0x538 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7650fb934400, count: -5
ddb>