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(ffff80000149b800) at bpfdetach+0x40 sys/net/bpf.c:1778
if_detach(ffff80000149b800) at if_detach+0x1bb sys/net/if.c:1214
tun_clone_destroy(ffff80000149b800) at tun_clone_destroy+0x2aa sys/net/if_tun.c:346
if_clone_destroy(ffff80003811ce30) at if_clone_destroy+0x1d7 sys/net/if.c:1403
sys_ioctl(ffff80003c988d08,ffff80003811d010,ffff80003811cf60) at sys_ioctl+0x5bf sys/kern/sys_generic.c:-1
syscall(ffff80003811d010) at syscall+0x97e mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80003811d010) at syscall+0x97e sys/arch/amd64/amd64/trap.c:637
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xd3a95346360, count: -7
ddb> show registers
rdi 0
rsi 0
rbp 0xffff80003811cd20
rbx 0xffff80003811d010
rdx 0
rcx 0xffffffff837a7ff0 cpu_info_full_primary+0x1ff0
rax 0xffff80003c988d08
r8 0x78
r9 0
r10 0xf0e055c3313e7e44
r11 0xadcd27a884de4106
r12 0xdead0002deadbeef
r13 0x800
r14 0xffff80000149b800
r15 0xdead0002deadbeef
rip 0xffffffff83270180 bpfdetach+0x40
cs 0x8
rflags 0x10246 __ALIGN_SIZE+0xf246
rsp 0xffff80003811ccf0
ss 0x10
bpfdetach+0x40: movq 0(%r15),%r12
ddb> show proc
PROC (syz-executor) tid=239281 pid=75642 tcnt=2 stat=onproc
flags process=1000<SINGLEEXIT> proc=4080000<SUSPSINGLE,THREAD>
runpri=32, usrpri=85, slppri=32, nice=20
wchan=0x0, wmesg=, ps_single=0xffff80003c9887e8 scnt=1 ecnt=0
forw=0xffffffffffffffff, list=0xffff80003c9887e8,0xffff8000315022c8
process=0xffff80002a874488 user=0xffff800038118000, vmspace=0xfffffd806c28bcb8
estcpu=35, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0
ddb> ps
PID TID PPID UID S FLAGS WAIT COMMAND
19576 369914 38368 0 2 0 syz-executor
42722 481624 83375 0 2 0 syz-executor
42722 323019 83375 0 2 0x4000000 syz-executor
26631 40384 93396 0 2 0 syz-executor
26631 478521 93396 0 3 0x4000080 fsleep syz-executor
64233 58043 25432 0 2 0 syz-executor
64233 174351 25432 0 3 0x4000080 fsleep syz-executor
75642 329802 27863 0 3 0x3000 suspend syz-executor
*75642 239281 27863 0 7 0x4081000 syz-executor
99841 385963 1 0 3 0x100083 ttyin getty
27863 450133 54075 0 3 0x82 nanoslp syz-executor
50701 316519 0 0 3 0x14200 bored sosplice
87333 296146 0 0 3 0x14280 nfsidl nfsio
51344 97588 0 0 3 0x14280 nfsidl nfsio
75908 480943 0 0 3 0x14280 nfsidl nfsio
78361 481818 0 0 3 0x14280 nfsidl nfsio
52280 339528 0 0 3 0x14280 nfsidl nfsio
40827 402493 0 0 3 0x14280 nfsidl nfsio
7451 57627 0 0 3 0x14280 nfsidl nfsio
28406 453399 0 0 3 0x14280 nfsidl nfsio
44640 278735 0 0 3 0x14280 nfsidl nfsio
35722 509339 0 0 3 0x14280 nfsidl nfsio
4400 429307 0 0 3 0x14280 nfsidl nfsio
2097 459569 0 0 3 0x14280 nfsidl nfsio
45090 89143 0 0 3 0x14280 nfsidl nfsio
79820 224521 0 0 3 0x14280 nfsidl nfsio
41785 475105 0 0 3 0x14280 nfsidl nfsio
45701 327266 0 0 3 0x14280 nfsidl nfsio
11557 171140 0 0 3 0x14280 nfsidl nfsio
40956 110921 0 0 3 0x14280 nfsidl nfsio
66575 137546 0 0 3 0x14280 nfsidl nfsio
73625 434309 0 0 3 0x14280 nfsidl nfsio
25432 264456 54075 0 3 0x82 nanoslp syz-executor
83375 484383 54075 0 3 0x82 nanoslp syz-executor
38368 341637 54075 0 3 0x82 nanoslp syz-executor
93396 410486 54075 0 3 0x82 nanoslp syz-executor
24257 254418 54075 0 2 0x2 syz-executor
85502 133808 54075 0 3 0x82 nanoslp syz-executor
30051 342353 54075 0 2 0x2 syz-executor
54075 405182 9552 0 2 0x2 syz-executor
9552 382264 74106 0 3 0x10008a sigsusp ksh
74106 341235 64548 0 3 0x98 kqread sshd-session
64548 16673 22149 0 3 0x92 kqread sshd-session
22149 409273 1 0 3 0x88 kqread sshd
46949 247564 50182 73 3 0x1100090 kqread syslogd
50182 324455 1 0 3 0x100082 sbwait syslogd
21160 488034 1 0 3 0x100080 kqread resolvd
21900 249120 1109 77 2 0x100012 dhcpleased
74408 219206 1109 77 3 0x100092 kqread dhcpleased
1109 130313 1 0 3 0x80 kqread dhcpleased
22591 492618 0 0 3 0x14200 bored smr
10490 350936 0 0 2 0x14200 zerothread
43604 183587 0 0 3 0x14200 aiodoned aiodoned
24051 67114 0 0 3 0x14200 syncer update
2927 300983 0 0 3 0x14200 cleaner cleaner
46419 169785 0 0 2 0x14200 reaper
31770 281128 0 0 3 0x14200 pgdaemon pagedaemon
62236 188773 0 0 3 0x14200 bored viomb
2260 197939 0 0 3 0x40014200 acpi0 acpi0
6553 262375 0 0 3 0x14200 bored softnet3
17599 226976 0 0 3 0x14200 bored softnet2
95707 170530 0 0 3 0x14200 bored softnet1
94147 209699 0 0 3 0x14200 bored softnet0
58500 104816 0 0 3 0x14200 bored systqmp
69013 408949 0 0 3 0x14200 bored systq
21114 388890 0 0 3 0x40014200 tmoslp softclock
55135 377900 0 0 3 0x40014200 idle0
1 150220 0 0 3 0x80082 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 10195 11178K 11567K 166960K 13623 0
pcb 18 16K 24K 166960K 406 0
rtable 154 8K 9K 166960K 575 0
pf 33 13K 16K 166960K 152 0
ifaddr 28 4K 7K 166960K 117 0
ifgroup 53 2K 2K 166960K 198 0
sysctl 4 1K 9K 166960K 16 0
counters 32 17K 18K 166960K 104 0
ioctlops 0 0K 4K 166960K 436 0
iov 0 0K 24K 166960K 147 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1463 92K 93K 166960K 2785 0
UFS quota 1 32K 32K 166960K 1 0
UFS mount 5 36K 36K 166960K 5 0
shm 2 1K 9K 166960K 26 0
VM map 2 1K 1K 166960K 2 0
sem 12 0K 0K 166960K 129 0
dirhash 12 2K 2K 166960K 30 0
ACPI 1692 195K 286K 166960K 12470 0
file desc 17 61K 106K 166960K 1520 0
sigio 0 0K 0K 166960K 22 0
proc 60 59K 124K 166960K 681 0
subproc 72 4K 4K 166960K 81 0
NFS srvsock 1 0K 0K 166960K 1 0
NFS daemon 1 16K 16K 166960K 1 0
ip_moptions 0 0K 0K 166960K 228 0
in_multi 51 3K 7K 166960K 199 0
ether_multi 1 0K 0K 166960K 11 0
mrt 1 0K 0K 166960K 21 0
ISOFS mount 1 32K 32K 166960K 1 0
MSDOSFS mount 1 16K 16K 166960K 1 0
ttys 109 493K 493K 166960K 109 0
exec 0 0K 1K 166960K 624 0
fusefs mount 1 32K 32K 166960K 1 0
pfkey data 0 0K 0K 166960K 1 0
tdb 3 0K 0K 166960K 3 0
VM swap 8 62K 64K 166960K 10 0
UVM amap 205 160K 185K 166960K 15247 0
UVM aobj 105 6K 6K 166960K 111 0
pinsyscall 38 76K 96K 166960K 2589 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
ip6_options 0 0K 0K 166960K 62 0
NDP 11 0K 2K 166960K 72 0
temp 72 8686K 8781K 166960K 60433 0
kqueue 14 22K 30K 166960K 271 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 120 158 0 155 2 1 1 2 0 8 0
rtentry 136 188 0 129 4 0 4 4 0 8 0
unpcb 144 1278 0 1262 10 8 2 6 0 8 1
syncache 336 8 0 8 3 2 1 1 0 8 1
tcpqe 32 4 0 4 3 2 1 1 0 8 1
tcpcb 736 608 0 601 11 7 4 7 0 8 3
arp 88 32 0 21 1 0 1 1 0 8 0
ipq 40 3 0 3 1 0 1 1 0 8 1
ipqe 40 7 0 7 1 0 1 1 0 8 1
inpcb 328 1843 0 1832 17 10 7 7 0 8 5
ip6q 72 2 0 1 1 0 1 1 0 8 0
ip6af 40 2 0 1 1 0 1 1 0 8 0
nd6 104 33 0 18 1 0 1 1 0 8 0
pkpcb 40 10 0 10 2 1 1 1 0 8 1
kcovpl 48 9 0 1 1 0 1 1 0 8 0
mppekey 1024 2 0 2 1 0 1 1 0 8 1
ppxss 1072 50 0 50 3 2 1 1 0 8 1
pppxif 1384 16 0 16 3 2 1 1 0 8 1
pfanchor 1288 1 0 1 1 1 0 1 0 8 0
pfrule 1344 2 0 2 1 1 0 1 0 8 0
rttmr 136 5 0 4 2 1 1 1 0 8 0
art_heap8 4096 3 0 0 3 0 3 3 0 8 0
art_heap4 256 859 0 592 29 6 23 29 0 8 3
art_table 32 862 0 592 4 0 4 4 0 8 0
art_node 16 179 0 126 1 0 1 1 0 8 0
sysvmsgpl 40 15 0 10 1 0 1 1 0 8 0
semapl 112 127 0 117 1 0 1 1 0 8 0
shmpl 112 108 0 6 3 0 3 3 0 8 0
dirhash 1024 29 0 12 3 0 3 3 0 8 0
dino2pl 256 4242 0 2747 95 0 95 95 0 8 0
ffsino 248 4242 0 2747 95 0 95 95 0 8 0
nchpl 144 6418 0 4734 63 0 63 63 0 8 0
rtmask 32 6 0 6 2 1 1 1 0 8 1
uvmvnodes 80 5199 0 0 107 0 107 107 0 8 0
vnodes 216 5199 0 0 289 0 289 289 0 8 0
namei 1024 22052 0 22052 3 2 1 2 0 8 1
kstatmem 264 108 0 86 2 0 2 2 0 8 0
scsiplug 72 8 0 8 3 2 1 1 0 8 1
scxspl 216 20037 0 20037 11 8 3 8 1 8 3
plimitpl 152 505 0 489 1 0 1 1 0 8 0
sigapl 424 1819 0 1752 10 2 8 8 0 8 0
knotepl 120 63993 0 63691 33 22 11 15 0 8 1
kqueuepl 184 575 0 565 4 3 1 4 0 8 0
pipepl 296 195 0 167 3 0 3 3 0 8 0
fdescpl 440 1778 0 1749 5 1 4 5 0 8 0
filepl 120 12189 0 11976 17 7 10 14 0 8 2
lockfpl 104 771 0 768 2 0 2 2 0 8 1
lockfspl 48 348 0 345 1 0 1 1 0 8 0
sessionpl 144 28 0 20 1 0 1 1 0 8 0
pgrppl 48 53 0 37 1 0 1 1 0 8 0
ucredpl 104 1937 0 1926 1 0 1 1 0 8 0
zombiepl 144 2329 0 2327 2 1 1 1 0 8 0
processpl 1160 1819 0 1752 6 0 6 6 0 8 0
procpl 656 4139 0 4068 8 0 8 8 0 8 0
sosppl 168 1 0 1 1 0 1 1 0 8 1
sockpl 528 3399 0 3369 25 18 7 14 0 8 4
mcl64k 65536 139 0 139 3 2 1 1 0 8 1
mcl16k 16384 27 0 27 2 1 1 1 0 8 1
mcl12k 12288 4 0 4 1 0 1 1 0 8 1
mcl9k 9216 6 0 6 2 1 1 1 0 8 1
mcl8k 8192 33 0 33 3 2 1 1 0 8 1
mcl4k 4096 4519 0 4466 14 5 9 12 0 8 2
mcl2k2 2112 2 0 2 2 1 1 1 0 8 1
mcl2k 2048 1658 0 1653 5 3 2 3 0 8 1
mtagpl 96 109 0 91 2 0 2 2 0 8 1
mbufpl 256 18889 0 18794 22 8 14 22 0 8 2
bufpl 280 5875 0 131 411 0 411 411 0 8 0
anonpl 24 262977 0 259884 68 21 47 47 0 187 17
amapchunkpl 152 52323 0 51924 46 13 33 34 0 158 12
amappl16 200 4676 0 4640 37 25 12 16 0 8 8
amappl15 192 8 0 8 1 1 0 1 0 8 0
amappl14 184 129 0 119 1 0 1 1 0 8 0
amappl13 176 4 0 3 2 1 1 1 0 8 0
amappl12 168 2402 0 2375 3 1 2 3 0 8 0
amappl11 160 44 0 34 1 0 1 1 0 8 0
amappl10 152 9 0 8 2 1 1 1 0 8 0
amappl9 144 249 0 249 1 1 0 1 0 8 0
amappl8 136 22 0 20 1 0 1 1 0 8 0
amappl7 128 110 0 99 1 0 1 1 0 8 0
amappl6 120 186 0 182 1 0 1 1 0 8 0
amappl5 112 128 0 120 1 0 1 1 0 8 0
amappl4 104 300 0 284 1 0 1 1 0 8 0
amappl3 96 10515 0 10422 5 1 4 4 0 8 0
amappl2 88 668 0 609 2 0 2 2 0 8 0
amappl1 80 14545 0 14002 15 0 15 15 0 8 1
amappl 88 14284 0 14145 6 1 5 5 0 92 0
dma16384 16384 1 0 1 1 0 1 1 0 8 1
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 76 0 76 3 2 1 1 0 8 1
dma128 128 255 0 255 3 2 1 1 0 8 1
dma64 64 6 0 6 1 1 0 1 0 8 0
dma32 32 10 0 10 3 2 1 1 0 8 1
dma16 16 18 0 17 1 0 1 1 0 8 0
aobjpl 72 110 0 6 2 0 2 2 0 8 0
uaddrrnd 24 1778 0 1749 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 1778 0 1749 1 0 1 1 0 8 0
vmmpekpl 168 15029 0 14984 3 0 3 3 0 8 0
vmmpepl 168 115586 0 113766 113 10 103 103 0 357 11
vmsppl 360 1777 0 1748 4 1 3 4 0 8 0
rwobjpl 32 35359 0 29222 51 0 51 51 0 8 0
pdppl 4096 3563 0 3496 125 58 67 83 0 8 0
pvpl 32 786756 0 778717 137 22 115 116 0 265 17
pmappl 216 1777 0 1748 3 0 3 3 0 8 0
extentpl 40 45 0 27 1 0 1 1 0 8 0
phpool 112 328 0 99 8 1 7 8 0 8 0
ddb> machine ddbcpu 0
No such command
ddb> trace
bpfdetach(ffff80000149b800) at bpfdetach+0x40 sys/net/bpf.c:1778
if_detach(ffff80000149b800) at if_detach+0x1bb sys/net/if.c:1214
tun_clone_destroy(ffff80000149b800) at tun_clone_destroy+0x2aa sys/net/if_tun.c:346
if_clone_destroy(ffff80003811ce30) at if_clone_destroy+0x1d7 sys/net/if.c:1403
sys_ioctl(ffff80003c988d08,ffff80003811d010,ffff80003811cf60) at sys_ioctl+0x5bf sys/kern/sys_generic.c:-1
syscall(ffff80003811d010) at syscall+0x97e mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80003811d010) at syscall+0x97e sys/arch/amd64/amd64/trap.c:637
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xd3a95346360, count: -7
ddb> machine ddbcpu 1
No such command
ddb> trace
bpfdetach(ffff80000149b800) at bpfdetach+0x40 sys/net/bpf.c:1778
if_detach(ffff80000149b800) at if_detach+0x1bb sys/net/if.c:1214
tun_clone_destroy(ffff80000149b800) at tun_clone_destroy+0x2aa sys/net/if_tun.c:346
if_clone_destroy(ffff80003811ce30) at if_clone_destroy+0x1d7 sys/net/if.c:1403
sys_ioctl(ffff80003c988d08,ffff80003811d010,ffff80003811cf60) at sys_ioctl+0x5bf sys/kern/sys_generic.c:-1
syscall(ffff80003811d010) at syscall+0x97e mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80003811d010) at syscall+0x97e sys/arch/amd64/amd64/trap.c:637
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xd3a95346360, count: -7