kernel: protection fault trap, code=0
Stopped at bpfdetach+0x40: movq 0(%r15),%r12
ddb>
ddb> set $lines = 0
ddb> set $maxwidth = 0
ddb> show panic
the kernel did not panic
ddb> trace
bpfdetach(ffff800001472000) at bpfdetach+0x40 sys/net/bpf.c:1770
if_detach(ffff800001472000) at if_detach+0x1bb sys/net/if.c:1200
tun_clone_destroy(ffff800001472000) at tun_clone_destroy+0x2a2 sys/net/if_tun.c:340
if_clone_destroy(ffff80002f13d530) at if_clone_destroy+0x1d5 sys/net/if.c:1389
sys_ioctl(ffff80002a882d08,ffff80002f13d700,ffff80002f13d650) at sys_ioctl+0x660 sys/kern/sys_generic.c:-1
syscall(ffff80002f13d700) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80002f13d700) at syscall+0x962 sys/arch/amd64/amd64/trap.c:748
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xcf0b5f37790, count: -7
ddb> show registers
rdi 0xffff800035d62000
rsi 0x133e1 __ALIGN_SIZE+0x123e1
rbp 0xffff80002f13d420
rbx 0
rdx 0xffff800035d62000
rcx 0x133e0 __ALIGN_SIZE+0x123e0
rax 0xffffffff82787f79 bpfdetach+0x89
r8 0xffff800035d4ef70
r9 0
r10 0
r11 0x1edc526549c2794a
r12 0xdeaf0002deafbead
r13 0xffff800001472560
r14 0xffff800001472000
r15 0xdeaf0002deafbead
rip 0xffffffff82787f30 bpfdetach+0x40
cs 0x8
rflags 0x10246 __ALIGN_SIZE+0xf246
rsp 0xffff80002f13d3f0
ss 0x10
bpfdetach+0x40: movq 0(%r15),%r12
ddb> show proc
PROC (syz-executor) tid=480047 pid=58133 tcnt=3 stat=onproc
flags process=2000<SINGLEUNWIND> proc=4080000<SUSPSINGLE,THREAD>
runpri=32, usrpri=82, slppri=32, nice=20
wchan=0x0, wmesg=, ps_single=0xffff80002a883748 scnt=1 ecnt=0
forw=0xffffffffffffffff, list=0xffff80002a8834b8,0xffff80002a883758
process=0xffff80002a8a7b68 user=0xffff80002f138000, vmspace=0xfffffd8074f3f8b8
estcpu=32, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0
ddb> ps
PID TID PPID UID S FLAGS WAIT COMMAND
92619 515944 46289 0 2 0 syz-executor
92619 352217 46289 0 3 0x4000080 fsleep syz-executor
59690 4665 82476 0 3 0x80 nanoslp syz-executor
59690 426682 82476 0 3 0x4000080 sbwait syz-executor
59690 476559 82476 0 3 0x4000080 fsleep syz-executor
59690 314945 82476 0 3 0x4000080 fsleep syz-executor
19042 355858 60605 0 3 0x80 nanoslp syz-executor
19042 500146 60605 0 3 0x4000080 wsevent_read syz-executor
19042 324844 60605 0 3 0x4000080 fsleep syz-executor
58133 498214 15628 0 4 0x82000 syz-executor
*58133 480047 15628 0 7 0x4082000 syz-executor
58133 405750 15628 0 3 0x4002000 suspend syz-executor
15628 466842 36179 0 2 0xc82 syz-executor
71486 129081 0 0 3 0x14280 nfsidl nfsio
64999 153409 0 0 3 0x14280 nfsidl nfsio
77033 158132 0 0 3 0x14280 nfsidl nfsio
3058 51130 0 0 3 0x14280 nfsidl nfsio
30528 73905 0 0 3 0x14280 nfsidl nfsio
5444 419405 0 0 3 0x14280 nfsidl nfsio
61108 503196 0 0 3 0x14280 nfsidl nfsio
35414 56310 0 0 3 0x14280 nfsidl nfsio
39083 482171 0 0 3 0x14280 nfsidl nfsio
23156 449138 0 0 3 0x14280 nfsidl nfsio
12168 463431 0 0 3 0x14280 nfsidl nfsio
6113 484110 0 0 3 0x14280 nfsidl nfsio
64721 61454 0 0 3 0x14280 nfsidl nfsio
41742 239303 0 0 3 0x14280 nfsidl nfsio
76305 377626 0 0 3 0x14280 nfsidl nfsio
67386 10437 0 0 3 0x14280 nfsidl nfsio
91393 444899 0 0 3 0x14280 nfsidl nfsio
20939 76041 0 0 3 0x14280 nfsidl nfsio
28197 48856 0 0 3 0x14280 nfsidl nfsio
19813 70554 0 0 3 0x14280 nfsidl nfsio
83140 208631 36179 0 2 0x2 syz-executor
50634 192279 36179 0 2 0x2 syz-executor
77316 135843 0 0 3 0x14200 bored sosplice
82476 511891 36179 0 3 0x82 nanoslp syz-executor
34569 476731 36179 0 2 0x2 syz-executor
60605 149289 36179 0 2 0xc82 syz-executor
83523 398671 36179 0 2 0x2 syz-executor
46289 111700 36179 0 2 0xc82 syz-executor
36179 478610 61688 0 3 0x82 kqread syz-executor
61688 232902 48318 0 3 0x10008a sigsusp ksh
48318 484787 72546 0 3 0x98 kqread sshd-session
72546 517465 34314 0 3 0x92 kqread sshd-session
33367 150784 1 0 3 0x100083 ttyopn getty
34314 60828 1 0 3 0x88 kqread sshd
35576 8523 23497 73 3 0x1100090 kqread syslogd
23497 63571 1 0 3 0x100082 sbwait syslogd
91649 503575 1 0 3 0x100080 kqread resolvd
11606 144039 35442 77 3 0x100092 kqread dhcpleased
11083 409128 35442 77 3 0x100092 kqread dhcpleased
35442 175592 1 0 3 0x80 kqread dhcpleased
70143 277674 0 0 3 0x14200 bored smr
11941 344415 0 0 2 0x14200 zerothread
78250 193931 0 0 3 0x14200 aiodoned aiodoned
30842 257583 0 0 3 0x14200 syncer update
19383 130769 0 0 3 0x14200 cleaner cleaner
57135 419282 0 0 3 0x14200 reaper reaper
6144 279130 0 0 3 0x14200 pgdaemon pagedaemon
10922 187338 0 0 3 0x14200 bored viomb
11324 47506 0 0 3 0x40014200 acpi0 acpi0
9264 151614 0 0 3 0x14200 bored softnet7
49639 373119 0 0 3 0x14200 bored softnet6
44708 42313 0 0 3 0x14200 bored softnet5
19686 133253 0 0 3 0x14200 bored softnet4
2340 273970 0 0 3 0x14200 bored softnet3
21047 101789 0 0 3 0x14200 bored softnet2
58291 521541 0 0 3 0x14200 bored softnet1
66954 302614 0 0 3 0x14200 bored softnet0
6492 21726 0 0 3 0x14200 bored systqmp
36082 477724 0 0 3 0x14200 syncxs systq
97108 509462 0 0 3 0x40014200 tmoslp softclock
83130 478193 0 0 3 0x40014200 idle0
1 335822 0 0 3 0x82 wait init
0 0 -1 0 3 0x10010200 scheduler swapper
ddb> show all locks
No such command
ddb> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 10253 11217K 11497K 166960K 12622 0
pcb 20 14K 16K 166960K 202 0
rtable 220 8K 8K 166960K 421 0
pf 34 13K 17K 166960K 91 0
ifaddr 42 7K 8K 166960K 85 0
ifgroup 53 2K 2K 166960K 112 0
sysctl 4 1K 9K 166960K 11 0
counters 32 17K 18K 166960K 61 0
ioctlops 0 0K 4K 166960K 209 0
iov 1 4K 24K 166960K 43 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1469 92K 93K 166960K 2368 0
UFS quota 1 32K 32K 166960K 1 0
UFS mount 5 36K 36K 166960K 5 0
shm 2 1K 5K 166960K 12 0
VM map 2 1K 1K 166960K 2 0
sem 11 0K 0K 166960K 21 0
dirhash 12 2K 2K 166960K 15 0
ACPI 1692 195K 286K 166960K 12470 0
file desc 14 49K 106K 166960K 749 0
sigio 0 0K 0K 166960K 5 0
proc 60 59K 100K 166960K 669 0
subproc 72 4K 4K 166960K 117 0
NFS srvsock 1 0K 0K 166960K 1 0
NFS daemon 1 16K 16K 166960K 1 0
ip_moptions 0 0K 0K 166960K 92 0
in_multi 102 7K 7K 166960K 181 0
ether_multi 1 0K 0K 166960K 13 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 85 387K 387K 166960K 85 0
exec 0 0K 1K 166960K 470 0
fusefs mount 1 32K 32K 166960K 1 0
pfkey data 0 0K 0K 166960K 2 0
tdb 3 0K 0K 166960K 3 0
VM swap 8 62K 64K 166960K 10 0
UVM amap 201 147K 162K 166960K 7987 0
UVM aobj 119 3K 3K 166960K 123 0
pinsyscall 35 70K 94K 166960K 1894 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
ip6_options 0 0K 0K 166960K 25 0
NDP 13 0K 2K 166960K 56 0
temp 77 8644K 8724K 166960K 28227 0
kqueue 14 22K 30K 166960K 122 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
vscsiccb 40 1 0 0 1 0 1 1 0 8 0
rtpcb 120 78 0 75 1 0 1 1 0 8 0
rtentry 136 157 0 63 4 0 4 4 0 8 0
unpcb 144 397 0 375 4 3 1 4 0 8 0
syncache 336 3 0 3 1 1 0 1 0 8 0
tcpcb 736 197 0 193 7 0 7 7 0 8 6
arp 88 19 0 7 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 328 660 0 650 8 1 7 7 0 8 5
ip6q 72 6 0 2 1 0 1 1 0 8 0
ip6af 40 10 0 6 1 0 1 1 0 8 0
nd6 104 31 0 15 1 0 1 1 0 8 0
pkpcb 40 5 0 5 2 1 1 1 0 8 1
kcovpl 48 13 0 5 1 0 1 1 0 8 0
mppekey 1024 1 0 1 1 0 1 1 0 8 1
ppxss 1072 20 0 20 2 1 1 1 0 8 1
pppxif 1384 4 0 4 2 1 1 1 0 8 1
pfstscr 40 1 0 0 1 0 1 1 0 8 0
pfrktable 1344 1 0 1 1 1 0 1 0 8 0
pftag 88 3 0 1 2 1 1 1 0 8 0
pfstitem 24 2 0 0 1 0 1 1 0 8 0
pfstkey 128 4 0 2 2 1 1 1 0 8 0
pfstate 384 2 0 1 2 1 1 1 0 8 0
pfrule 1344 6 0 6 2 1 1 1 0 8 1
art_heap8 4096 3 0 0 3 0 3 3 0 8 0
art_heap4 256 717 0 277 31 3 28 28 0 8 0
art_table 40 720 0 277 5 0 5 5 0 8 0
art_node 32 157 0 73 1 0 1 1 0 8 0
sysvmsgpl 40 1 0 1 1 1 0 1 0 8 0
semupl 112 3 0 3 2 1 1 1 0 8 1
semapl 112 16 0 7 1 0 1 1 0 8 0
shmpl 112 120 0 4 4 0 4 4 0 8 0
dirhash 1024 19 0 2 3 0 3 3 0 8 0
dino2pl 256 2710 0 1201 95 0 95 95 0 8 0
ffsino 256 2710 0 1201 95 0 95 95 0 8 0
nchpl 144 3636 0 1935 64 0 64 64 0 8 0
rtmask 32 1 0 1 1 0 1 1 0 8 1
uvmvnodes 80 3474 0 0 71 0 71 71 0 8 0
vnodes 216 3474 0 0 193 0 193 193 0 8 0
namei 1024 12907 0 12907 3 2 1 2 0 8 1
kstatmem 264 60 0 38 2 0 2 2 0 8 0
scsiplug 72 9 0 9 2 1 1 1 0 8 1
scxspl 216 12287 0 12286 9 7 2 8 1 8 1
plimitpl 152 147 0 130 1 0 1 1 0 8 0
sigapl 424 1036 0 969 10 1 9 9 0 8 1
knotepl 120 24652 0 24604 18 8 10 10 0 8 8
kqueuepl 184 241 0 231 3 2 1 3 0 8 0
pipepl 304 143 0 116 3 0 3 3 0 8 0
fdescpl 448 993 0 967 5 1 4 5 0 8 0
filepl 120 5948 0 5693 13 2 11 11 0 8 0
lockfpl 104 790 0 788 3 1 2 2 0 8 1
lockfspl 48 381 0 379 1 0 1 1 0 8 0
sessionpl 144 26 0 18 1 0 1 1 0 8 0
pgrppl 48 88 0 72 1 0 1 1 0 8 0
ucredpl 104 1073 0 1061 1 0 1 1 0 8 0
zombiepl 144 1250 0 1250 1 0 1 1 0 8 1
processpl 1168 1036 0 969 7 1 6 6 0 8 0
procpl 656 1987 0 1912 8 0 8 8 0 8 0
sosppl 168 1 0 1 1 1 0 1 0 8 0
sockpl 552 1160 0 1125 12 4 8 8 0 8 5
mcl64k 65536 26 0 25 2 1 1 1 0 8 0
mcl16k 16384 1 0 1 1 0 1 1 0 8 1
mcl12k 12288 1 0 1 1 0 1 1 0 8 1
mcl9k 9216 1 0 1 1 0 1 1 0 8 1
mcl8k 8192 5 0 5 2 1 1 1 0 8 1
mcl4k 4096 3182 0 3131 13 5 8 12 0 8 0
mcl2k 2048 966 0 961 4 2 2 3 0 8 1
mtagpl 96 17 0 7 1 0 1 1 0 8 0
mbufpl 256 9674 0 9520 16 1 15 15 0 8 2
bufpl 280 4252 0 121 296 0 296 296 0 8 0
anonpl 24 160637 0 157664 55 10 45 47 0 187 19
amapchunkpl 152 26071 0 25673 35 10 25 32 0 158 5
amappl16 200 2877 0 2855 18 7 11 15 0 8 8
amappl15 192 4 0 4 1 1 0 1 0 8 0
amappl14 184 146 0 136 1 0 1 1 0 8 0
amappl13 176 70 0 70 1 1 0 1 0 8 0
amappl12 168 1716 0 1690 3 1 2 3 0 8 0
amappl11 160 45 0 35 1 0 1 1 0 8 0
amappl10 152 15 0 14 1 0 1 1 0 8 0
amappl9 144 248 0 248 1 1 0 1 0 8 0
amappl8 136 26 0 24 1 0 1 1 0 8 0
amappl7 128 105 0 95 1 0 1 1 0 8 0
amappl6 120 238 0 235 1 0 1 1 0 8 0
amappl5 112 161 0 154 1 0 1 1 0 8 0
amappl4 104 294 0 277 1 0 1 1 0 8 0
amappl3 96 4995 0 4905 4 0 4 4 0 8 0
amappl2 88 675 0 620 2 0 2 2 0 8 0
amappl1 80 10617 0 10083 13 1 12 13 0 8 0
amappl 88 7178 0 7041 5 0 5 5 0 92 0
dma4096 4096 1 0 1 1 1 0 1 0 8 0
dma1024 1024 3 0 2 1 0 1 1 0 8 0
dma256 256 6 0 6 1 1 0 1 0 8 0
dma128 128 257 0 257 2 1 1 1 0 8 1
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 72 122 0 4 3 0 3 3 0 8 0
uaddrrnd 24 993 0 967 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 993 0 967 1 0 1 1 0 8 0
vmmpekpl 168 8562 0 8514 3 0 3 3 0 8 0
vmmpepl 168 67573 0 65894 93 2 91 92 0 357 8
vmsppl 368 992 0 967 4 1 3 4 0 8 0
rwobjpl 40 23195 0 18787 45 0 45 45 0 8 0
pdppl 4096 1992 0 1934 102 34 68 80 0 8 10
pvpl 32 437440 0 429467 123 16 107 123 0 265 15
pmappl 216 992 0 967 3 0 3 3 0 8 0
extentpl 40 45 0 27 1 0 1 1 0 8 0
phpool 112 398 0 55 11 0 11 11 0 8 0
ddb> machine ddbcpu 0
No such command
ddb> trace
bpfdetach(ffff800001472000) at bpfdetach+0x40 sys/net/bpf.c:1770
if_detach(ffff800001472000) at if_detach+0x1bb sys/net/if.c:1200
tun_clone_destroy(ffff800001472000) at tun_clone_destroy+0x2a2 sys/net/if_tun.c:340
if_clone_destroy(ffff80002f13d530) at if_clone_destroy+0x1d5 sys/net/if.c:1389
sys_ioctl(ffff80002a882d08,ffff80002f13d700,ffff80002f13d650) at sys_ioctl+0x660 sys/kern/sys_generic.c:-1
syscall(ffff80002f13d700) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80002f13d700) at syscall+0x962 sys/arch/amd64/amd64/trap.c:748
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xcf0b5f37790, count: -7
ddb> machine ddbcpu 1
No such command
ddb> trace
bpfdetach(ffff800001472000) at bpfdetach+0x40 sys/net/bpf.c:1770
if_detach(ffff800001472000) at if_detach+0x1bb sys/net/if.c:1200
tun_clone_destroy(ffff800001472000) at tun_clone_destroy+0x2a2 sys/net/if_tun.c:340
if_clone_destroy(ffff80002f13d530) at if_clone_destroy+0x1d5 sys/net/if.c:1389
sys_ioctl(ffff80002a882d08,ffff80002f13d700,ffff80002f13d650) at sys_ioctl+0x660 sys/kern/sys_generic.c:-1
syscall(ffff80002f13d700) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80002f13d700) at syscall+0x962 sys/arch/amd64/amd64/trap.c:748
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xcf0b5f37790, count: -7