uvm_fault(0xfffffd803f00cd68, 0xa00000030, 0, 2) -> e
kernel: page fault trap, code=0
Stopped at pfi_ifhead_RB_REMOVE+0xb3: movq %r13,0x20(%rbx)
ddb>
ddb> set $lines = 0
ddb> set $maxwidth = 0
ddb> show panic
kernel page fault
uvm_fault(0xfffffd803f00cd68, 0xa00000030, 0, 2) -> e
pfi_ifhead_RB_REMOVE(ffffffff8229fb50,ffff8000009b1d00) at pfi_ifhead_RB_REMOVE+0xb3 sys/net/pf_if.c:80
end trace frame: 0xffff800016bfa5a0, count: 0
ddb> trace
pfi_ifhead_RB_REMOVE(ffffffff8229fb50,ffff8000009b1d00) at pfi_ifhead_RB_REMOVE+0xb3 sys/net/pf_if.c:80
pfi_detach_ifnet(ffff8000009a7000) at pfi_detach_ifnet+0x11e pfi_kif_unref sys/net/pf_if.c:199 [inline]
pfi_detach_ifnet(ffff8000009a7000) at pfi_detach_ifnet+0x11e sys/net/pf_if.c:257
if_detach(ffff8000009a7000) at if_detach+0x15d sys/net/if.c:1118
tun_clone_destroy(ffff8000009a7000) at tun_clone_destroy+0x1c6 sys/net/if_tun.c:278
spec_close(ffff800016bfa6d8) at spec_close+0x3b0 sys/kern/spec_vnops.c:553
VOP_CLOSE(fffffd8030354098,2,fffffd803f7c6ae0,ffff8000ffff9520) at VOP_CLOSE+0x64 sys/kern/vfs_vops.c:174
vn_closefile(fffffd80303743d0,ffff8000ffff9520) at vn_closefile+0x14b vn_close sys/kern/vfs_vnops.c:289 [inline]
vn_closefile(fffffd80303743d0,ffff8000ffff9520) at vn_closefile+0x14b sys/kern/vfs_vnops.c:575
fdrop(fffffd80303743d0,ffff8000ffff9520) at fdrop+0xc9 sys/kern/kern_descrip.c:1260
closef(fffffd80303743d0,ffff8000ffff9520) at closef+0x118 sys/kern/kern_descrip.c:1244
fdfree(ffff8000ffff9520) at fdfree+0xf7 sys/kern/kern_descrip.c:1176
exit1(ffff8000ffff9520,0,1) at exit1+0x329 sys/kern/kern_exit.c:196
sys_exit(ffff8000ffff9520,ffff800016bfa980,ffff800016bfa9f0) at sys_exit+0x17 sys/kern/kern_exit.c:94
syscall(ffff800016bfaa60) at syscall+0x511
Xsyscall(6,1,0,1,0,7f7fffffaaf4) at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7fffffaac0, count: -14
ddb> show registers
rdi 0xffffffff8229fb50 pfi_ifs
rsi 0xffff8000009b1d00
rbp 0xffff800016bfa560
rbx 0xa00000010
rdx 0
rcx 0xfffffd8036db1400
rax 0
r8 0x101010101010101
r9 0x5
r10 0x54e60541d5f522db
r11 0x154079d29092ac38
r12 0xffffffff8229fb50 pfi_ifs
r13 0
r14 0xffff8000009b1d00
r15 0
rip 0xffffffff81700033 pfi_ifhead_RB_REMOVE+0xb3
cs 0x8
rflags 0x10246 __ALIGN_SIZE+0xf246
rsp 0xffff800016bfa500
ss 0x10
pfi_ifhead_RB_REMOVE+0xb3: movq %r13,0x20(%rbx)
ddb> show proc
PROC (syz-executor.0) pid=69323 stat=onproc
flags process=1008<EXITING,SINGLEEXIT> proc=2000<WEXIT>
pri=50, usrpri=71, nice=20
forw=0xffffffffffffffff, list=0xffff8000ffff9070,0xffffffff822b6920
process=0xffff8000ffff6d30 user=0xffff800016bf5000, vmspace=0xfffffd803f00cd68
estcpu=36, cpticks=3, pctcpu=0.0
user=0, sys=1, intr=0
ddb> ps
PID TID PPID UID S FLAGS WAIT COMMAND
9144 460636 84818 0 3 0x82 nanosleep syz-executor.0
96343 169449 84818 0 3 0x2 biowait syz-executor.1
84818 7601 12452 0 3 0x82 kqread syz-fuzzer
84818 190486 12452 0 3 0x4000082 nanosleep syz-fuzzer
84818 442338 12452 0 3 0x4000082 thrsleep syz-fuzzer
84818 249990 12452 0 3 0x4000082 thrsleep syz-fuzzer
84818 222978 12452 0 3 0x4000082 thrsleep syz-fuzzer
84818 202613 12452 0 3 0x4000082 thrsleep syz-fuzzer
84818 300056 12452 0 3 0x4000082 thrsleep syz-fuzzer
12452 202761 44404 0 3 0x10008a pause ksh
44404 333742 33314 0 3 0x92 select sshd
22519 10769 1 0 3 0x100083 ttyin getty
33314 518349 1 0 3 0x80 select sshd
13853 178581 3914 73 2 0x100090 syslogd
3914 201081 1 0 3 0x100082 netio syslogd
42651 216989 1 77 3 0x100090 poll dhclient
58163 328420 1 0 3 0x80 poll dhclient
61439 484992 0 0 2 0x14200 zerothread
90687 241681 0 0 3 0x14200 aiodoned aiodoned
56230 103486 0 0 3 0x14200 syncer update
33863 126800 0 0 3 0x14200 cleaner cleaner
17071 45239 0 0 3 0x14200 reaper reaper
2832 496990 0 0 3 0x14200 pgdaemon pagedaemon
57524 524189 0 0 3 0x14200 bored crynlk
97745 501013 0 0 3 0x14200 bored crypto
52522 21482 0 0 3 0x40014200 acpi0 acpi0
46664 282128 0 0 2 0x14200 softnet
84192 514643 0 0 3 0x14200 bored systqmp
2913 453241 0 0 3 0x14200 bored systq
67536 264132 0 0 3 0x40014200 bored softclock
64928 9263 0 0 3 0x40014200 idle0
56256 194625 0 0 3 0x14200 bored smr
1 222525 0 0 3 0x82 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 Kern Lim
devbuf 9459 6317K 6697K 78643K 10723 0 0
pcb 23 9K 9K 78643K 97 0 0
rtable 108 3K 4K 78643K 240 0 0
ifaddr 42 11K 11K 78643K 66 0 0
counters 19 16K 16K 78643K 19 0 0
ioctlops 0 0K 2K 78643K 19 0 0
iov 0 0K 16K 78643K 20 0 0
mount 1 1K 1K 78643K 1 0 0
vnodes 1207 76K 76K 78643K 1308 0 0
UFS quota 1 32K 32K 78643K 1 0 0
UFS mount 5 36K 36K 78643K 5 0 0
shm 2 1K 5K 78643K 3 0 0
VM map 2 0K 0K 78643K 2 0 0
sem 6 0K 0K 78643K 8 0 0
dirhash 12 2K 2K 78643K 12 0 0
ACPI 1793 195K 288K 78643K 12537 0 0
file desc 5 13K 25K 78643K 152 0 0
sigio 0 0K 0K 78643K 2 0 0
proc 42 30K 54K 78643K 300 0 0
subproc 32 2K 2K 78643K 34 0 0
NFS srvsock 1 0K 0K 78643K 1 0 0
NFS daemon 1 16K 16K 78643K 1 0 0
ip_moptions 0 0K 0K 78643K 6 0 0
in_multi 33 2K 2K 78643K 36 0 0
ether_multi 1 0K 0K 78643K 2 0 0
ISOFS mount 1 32K 32K 78643K 1 0 0
MSDOSFS mount 1 16K 16K 78643K 1 0 0
ttys 42 185K 185K 78643K 42 0 0
exec 0 0K 1K 78643K 190 0 0
pagedep 1 8K 8K 78643K 1 0 0
inodedep 1 32K 32K 78643K 1 0 0
newblk 1 0K 0K 78643K 1 0 0
VM swap 7 26K 26K 78643K 7 0 0
UVM amap 82 20K 21K 78643K 1177 0 0
UVM aobj 6 2K 2K 78643K 6 0 0
memdesc 1 4K 4K 78643K 1 0 0
crypto data 1 1K 1K 78643K 1 0 0
ip6_options 0 0K 0K 78643K 8 0 0
NDP 7 0K 0K 78643K 17 0 0
temp 100 2702K 2766K 78643K 3405 0 0
kqueue 0 0K 0K 78643K 1 0 0
SYN cache 2 16K 16K 78643K 2 0 0
ddb> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
arp 64 6 0 0 1 0 1 1 0 8 0
inpcbpl 280 78 0 71 1 0 1 1 0 8 0
plimitpl 152 18 0 11 1 0 1 1 0 8 0
rtentry 112 45 0 1 2 0 2 2 0 8 0
syncache 264 4 0 4 1 1 0 1 0 8 0
tcpcb 544 22 0 18 1 0 1 1 0 8 0
nd6 48 6 0 0 1 0 1 1 0 8 0
ppxss 1128 6 0 6 1 0 1 1 0 8 1
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 189 0 0 12 0 12 12 0 8 0
art_table 32 190 0 0 2 0 2 2 0 8 0
art_node 16 44 0 4 1 0 1 1 0 8 0
semapl 112 6 0 2 1 0 1 1 0 8 0
shmpl 112 4 0 0 1 0 1 1 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino1pl 128 1657 0 244 46 0 46 46 0 8 0
ffsino 240 1657 0 244 84 0 84 84 0 8 0
nchpl 144 2063 0 431 61 0 61 61 0 8 0
uvmvnodes 72 1739 0 0 32 0 32 32 0 8 0
vnodes 200 1739 0 0 92 0 92 92 0 8 0
namei 1024 5294 0 5294 2 1 1 1 0 8 1
scxspl 192 5240 0 5239 8 7 1 6 0 8 0
sigapl 432 323 0 310 2 0 2 2 0 8 0
futexpl 56 1896 0 1896 1 0 1 1 0 8 1
knotepl 112 74 0 55 1 0 1 1 0 8 0
kqueuepl 104 34 0 32 1 0 1 1 0 8 0
pipepl 112 184 0 165 2 1 1 1 0 8 0
fdescpl 424 324 0 310 2 0 2 2 0 8 0
filepl 120 1708 0 1613 4 0 4 4 0 8 1
lockfpl 104 52 0 52 2 1 1 1 0 8 1
lockfspl 48 21 0 21 2 1 1 1 0 8 1
sessionpl 112 17 0 7 1 0 1 1 0 8 0
pgrppl 48 17 0 7 1 0 1 1 0 8 0
ucredpl 96 252 0 245 1 0 1 1 0 8 0
zombiepl 144 311 0 310 2 1 1 1 0 8 0
processpl 840 338 0 310 4 0 4 4 0 8 0
procpl 600 500 0 466 4 0 4 4 0 8 1
sockpl 384 152 0 135 3 0 3 3 0 8 1
mcl64k 65536 1 0 1 1 0 1 1 0 8 1
mcl16k 16384 2 0 2 1 0 1 1 0 8 1
mcl12k 12288 3 0 3 1 0 1 1 0 8 1
mcl8k 8192 3 0 3 1 0 1 1 0 8 1
mcl4k 4096 11 0 11 1 0 1 1 0 8 1
mcl2k2 2112 2 0 2 1 0 1 1 0 8 1
mcl2k 2048 51185 0 51142 13 5 8 11 0 8 2
mtagpl 80 2 0 2 1 1 0 1 0 8 0
mbufpl 256 83926 0 83847 12 3 9 9 0 8 2
bufpl 256 5860 0 1387 280 0 280 280 0 8 0
anonpl 16 36138 0 27785 37 2 35 35 0 62 0
amapchunkpl 152 1465 0 1362 7 1 6 7 0 158 0
amappl16 192 977 0 554 23 0 23 23 0 8 1
amappl15 184 57 0 55 1 0 1 1 0 8 0
amappl14 176 93 0 89 2 1 1 1 0 8 0
amappl13 168 8 0 7 1 0 1 1 0 8 0
amappl12 160 9 0 6 1 0 1 1 0 8 0
amappl11 152 55 0 41 1 0 1 1 0 8 0
amappl10 144 66 0 64 2 1 1 1 0 8 0
amappl9 136 612 0 607 1 0 1 1 0 8 0
amappl8 128 185 0 171 1 0 1 1 0 8 0
amappl7 120 32 0 28 1 0 1 1 0 8 0
amappl6 112 51 0 45 1 0 1 1 0 8 0
amappl5 104 129 0 119 1 0 1 1 0 8 0
amappl4 96 451 0 431 1 0 1 1 0 8 0
amappl3 88 177 0 167 1 0 1 1 0 8 0
amappl2 80 1862 0 1794 4 2 2 3 0 8 0
amappl1 72 14691 0 14285 25 14 11 19 0 8 1
amappl 80 737 0 700 1 0 1 1 0 84 0
dma4096 4096 1 0 1 1 1 0 1 0 8 0
dma256 256 6 0 6 1 1 0 1 0 8 0
dma64 64 259 0 259 1 1 0 1 0 8 0
dma32 32 7 0 7 1 1 0 1 0 8 0
dma16 16 17 0 17 1 1 0 1 0 8 0
aobjpl 64 5 0 0 1 0 1 1 0 8 0
uaddrrnd 24 324 0 310 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 324 0 310 1 0 1 1 0 8 0
vmmpekpl 168 6202 0 6175 2 0 2 2 0 8 0
vmmpepl 168 41454 0 40070 93 21 72 74 0 357 10
vmsppl 264 323 0 310 2 1 1 2 0 8 0
pdppl 4096 655 0 620 6 1 5 6 0 8 0
pvpl 32 133293 0 121944 107 8 99 102 0 265 6
pmappl 200 323 0 310 1 0 1 1 0 8 0
extentpl 40 41 0 26 1 0 1 1 0 8 0
phpool 112 420 0 12 12 0 12 12 0 8 0