kernel: double fault trap, code=0
Stopped at restore_saved+0x35: xorq 0x30(%rsp),%r11
ddb>
ddb> set $lines = 0
ddb> set $maxwidth = 0
ddb> show panic
the kernel did not panic
ddb> trace
end trace frame: 0x0, count: -1
ddb> show registers
rdi 0xffff8000ffffefc0
rsi 0xffff8000216efce0
rbp 0
rbx 0
rdx 0
rcx 0
rax 0x7
r8 0
r9 0
r10 0xc73924b3ffb7665c
r11 0x48648b7d0d04d1f4
r12 0xffff8000216efce0
r13 0xffff8000216e8000
r14 0xffff8000ffffefc0
r15 0xffff8000216efce0
rip 0xffffffff81c341e7 restore_saved+0x35
cs 0x8
rflags 0x10046 __ALIGN_SIZE+0xf046
rsp 0
ss 0x10
restore_saved+0x35: xorq 0x30(%rsp),%r11
ddb> show proc
PROC (syz-executor.0) pid=354552 stat=onproc
flags process=10<SUGID> proc=0
pri=86, usrpri=86, nice=20
forw=0xffffffffffffffff, list=0xffff8000216ee000,0xffff8000216ee2b0
process=0xffff8000216f6038 user=0xffff8000216e8000, vmspace=0xfffffd806b102010
estcpu=36, cpticks=2, pctcpu=0.0
user=0, sys=0, intr=0
ddb> ps
PID TID PPID UID S FLAGS WAIT COMMAND
*52953 354552 43661 0 7 0x10 syz-executor.0
52953 401393 43661 0 3 0x4000090 fsleep syz-executor.0
52953 491318 43661 0 3 0x4000090 fsleep syz-executor.0
52953 474644 43661 0 3 0x4000090 fsleep syz-executor.0
77034 54240 0 0 3 0x14280 nfsidl nfsio
92253 457888 0 0 3 0x14280 nfsidl nfsio
71272 195854 0 0 3 0x14280 nfsidl nfsio
1431 202910 0 0 3 0x14280 nfsidl nfsio
51343 499259 0 0 3 0x14280 nfsidl nfsio
37622 448213 0 0 3 0x14280 nfsidl nfsio
40427 411094 0 0 3 0x14280 nfsidl nfsio
18003 519040 0 0 3 0x14280 nfsidl nfsio
13140 282971 0 0 3 0x14280 nfsidl nfsio
55009 290395 0 0 3 0x14280 nfsidl nfsio
20174 106909 0 0 3 0x14280 nfsidl nfsio
50943 372629 0 0 3 0x14280 nfsidl nfsio
12625 390157 0 0 3 0x14280 nfsidl nfsio
36547 101543 0 0 3 0x14280 nfsidl nfsio
12028 150517 0 0 3 0x14280 nfsidl nfsio
23382 252450 0 0 3 0x14280 nfsidl nfsio
34468 422227 0 0 3 0x14280 nfsidl nfsio
69128 384471 0 0 3 0x14280 nfsidl nfsio
61045 72174 0 0 3 0x14280 nfsidl nfsio
26442 314249 0 0 3 0x14280 nfsidl nfsio
43661 108981 87871 0 3 0x82 nanoslp syz-executor.0
56481 431637 1 0 3 0x100083 ttyin getty
36740 511028 87871 0 3 0x82 nanoslp syz-executor.1
9860 112444 0 0 3 0x14200 acct acct
75037 395335 0 0 3 0x14200 bored sosplice
87871 125482 18968 0 3 0x82 thrsleep syz-fuzzer
87871 274025 18968 0 3 0x4000082 thrsleep syz-fuzzer
87871 111145 18968 0 3 0x4000082 thrsleep syz-fuzzer
87871 389127 18968 0 3 0x4000082 kqread syz-fuzzer
87871 137258 18968 0 3 0x4000082 thrsleep syz-fuzzer
87871 133608 18968 0 3 0x4000082 thrsleep syz-fuzzer
18968 453190 57248 0 3 0x10008a sigsusp ksh
57248 374478 96204 0 3 0x9a kqread sshd
96204 339034 1 0 3 0x88 kqread sshd
38808 15965 34140 73 3 0x100090 kqread syslogd
34140 497876 1 0 3 0x100082 netio syslogd
5117 170058 1 0 3 0x100080 kqread resolvd
8253 439860 90107 77 3 0x100092 kqread dhcpleased
20934 347724 90107 77 3 0x100092 kqread dhcpleased
90107 211722 1 0 3 0x80 kqread dhcpleased
42112 518997 0 0 3 0x14200 bored smr
7817 365784 0 0 2 0x14200 zerothread
45438 247027 0 0 3 0x14200 aiodoned aiodoned
69222 514734 0 0 3 0x14200 syncer update
59178 123391 0 0 3 0x14200 cleaner cleaner
13257 187549 0 0 3 0x14200 reaper reaper
76774 135792 0 0 3 0x14200 pgdaemon pagedaemon
36609 126698 0 0 3 0x14200 bored viomb
96949 222755 0 0 3 0x40014200 acpi0 acpi0
1445 389400 0 0 3 0x14200 bored softnet
3171 453819 0 0 3 0x14200 bored systqmp
202 520984 0 0 3 0x14200 bored systq
79110 490784 0 0 3 0x40014200 bored softclock
6141 195720 0 0 3 0x40014200 idle0
1 37146 0 0 3 0x80082 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 10115 6388K 7555K 78643K 16650 0
pcb 13 10K 12K 78643K 409 0
rtable 131 17K 18K 78643K 950 0
ifaddr 50 14K 16K 78643K 515 0
sysctl 3 1K 1K 78643K 4 0
counters 21 16K 17K 78643K 95 0
ioctlops 0 0K 4K 78643K 2331 0
iov 0 0K 16K 78643K 450 0
mount 1 1K 1K 78643K 1 0
log 0 0K 0K 78643K 4 0
vnodes 1228 77K 77K 78643K 3272 0
UFS quota 1 32K 32K 78643K 1 0
UFS mount 5 36K 36K 78643K 5 0
shm 2 1K 5K 78643K 25 0
VM map 2 0K 0K 78643K 2 0
sem 12 0K 0K 78643K 365 0
dirhash 12 2K 2K 78643K 12 0
ACPI 1697 195K 286K 78643K 12598 0
file desc 5 13K 25K 78643K 9317 0
sigio 0 0K 0K 78643K 13 0
proc 59 55K 71K 78643K 659 0
subproc 26 1K 1K 78643K 122 0
NFS srvsock 1 0K 0K 78643K 1 0
NFS daemon 1 16K 16K 78643K 1 0
ip_moptions 0 0K 0K 78643K 308 0
in_multi 30 2K 2K 78643K 306 0
ether_multi 1 0K 0K 78643K 78 0
mrt 1 0K 0K 78643K 18 0
ISOFS mount 1 32K 32K 78643K 1 0
MSDOSFS mount 1 16K 16K 78643K 1 0
ttys 73 334K 334K 78643K 73 0
exec 0 0K 2K 78643K 827 0
pfkey data 0 0K 1K 78643K 1 0
tdb 3 0K 0K 78643K 3 0
pagedep 1 8K 8K 78643K 1 0
inodedep 1 32K 32K 78643K 1 0
newblk 1 0K 0K 78643K 1 0
VM swap 7 26K 26K 78643K 7 0
UVM amap 244 84K 147K 78643K 111156 0
UVM aobj 52 2K 2K 78643K 58 0
memdesc 1 4K 4K 78643K 1 0
crypto data 1 1K 1K 78643K 1 0
ip6_options 0 0K 0K 78643K 284 0
NDP 5 0K 0K 78643K 97 0
temp 84 4203K 4278K 78643K 57984 0
kqueue 12 18K 38K 78643K 368 0
SYN cache 2 16K 16K 78643K 2 0
ddb> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
rtpcb 120 302 0 299 3 2 1 3 0 8 0
rtentry 112 138 0 98 2 0 2 2 0 8 0
unpcb 128 5736 0 5721 28 19 9 9 0 8 8
syncache 296 104 0 104 12 12 0 1 0 8 0
tcpqe 32 40 0 40 5 5 0 1 0 8 0
tcpcb 736 1063 0 1059 31 28 3 6 0 8 2
arp 88 26 0 17 1 0 1 1 0 8 0
ipq 40 5 0 5 2 2 0 1 0 8 0
ipqe 40 220 0 220 2 2 0 1 0 8 0
inpcb 304 2560 0 2553 18 16 2 6 0 8 1
rttmr 72 1 0 1 1 1 0 1 0 8 0
ip6q 72 1 0 1 1 1 0 1 0 8 0
ip6af 40 1 0 1 1 1 0 1 0 8 0
nd6 48 27 0 21 1 0 1 1 0 8 0
pkpcb 40 20 0 20 6 6 0 1 0 8 0
kcovpl 48 9 0 7 1 0 1 1 0 8 0
ppxss 1152 27 0 27 6 6 0 1 0 8 0
pfstscr 40 47 0 47 2 2 0 1 0 8 0
pffrag 232 15 0 15 1 1 0 1 0 482 0
pffrnode 88 15 0 15 1 1 0 1 0 8 0
pffrent 40 221 0 221 2 2 0 1 0 8 0
pfrktable 1344 198 0 186 2 1 1 2 0 8 0
pftag 88 43 0 41 3 2 1 1 0 8 0
pfstitem 24 31 0 31 2 2 0 1 0 8 0
pfstkey 112 64 0 64 2 2 0 1 0 8 0
pfstate 320 34 0 34 2 2 0 1 0 8 0
pfsrctr 152 245 0 244 1 0 1 1 0 8 0
pfrule 1360 142 0 103 4 0 4 4 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 572 0 401 12 1 11 12 0 8 0
art_table 32 573 0 401 2 0 2 2 0 8 0
art_node 16 137 0 105 1 0 1 1 0 8 0
sysvmsgpl 40 19 0 4 1 0 1 1 0 8 0
semupl 112 10 0 10 1 1 0 1 0 8 0
semapl 112 363 0 353 1 0 1 1 0 8 0
shmpl 112 55 0 6 2 0 2 2 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 12414 0 11017 88 0 88 88 0 8 0
ffsino 240 12414 0 11017 83 0 83 83 0 8 0
nchpl 144 23422 0 21831 60 0 60 60 0 8 0
uvmvnodes 80 5926 0 0 121 0 121 121 0 8 0
vnodes 224 5926 0 0 349 0 349 349 0 8 0
namei 1024 70279 0 70279 1 0 1 1 0 8 1
vcpupl 1984 10 0 3 2 1 1 2 0 8 0
vmpool 528 28 0 21 2 1 1 1 0 8 0
pfiaddrpl 120 67 0 47 1 0 1 1 0 8 0
scsiplug 72 8 0 8 3 3 0 1 0 8 0
scxspl 216 67796 0 67796 13 12 1 8 0 8 1
plimitpl 152 218 0 210 1 0 1 1 0 8 0
sigapl 424 9548 0 9497 6 0 6 6 0 8 0
futexpl 64 62522 0 62519 1 0 1 1 0 8 0
knotepl 112 69647 0 69604 3 1 2 3 0 8 0
kqueuepl 184 927 0 919 7 4 3 4 0 8 2
pipepl 304 787 0 777 21 20 1 6 0 8 0
fdescpl 432 9513 0 9497 4 2 2 3 0 8 0
filepl 120 42960 0 42857 40 29 11 11 0 8 7
lockfpl 104 14530 0 14528 13 11 2 4 0 8 1
lockfspl 48 1374 0 1372 1 0 1 1 0 8 0
sessionpl 144 26 0 16 1 0 1 1 0 8 0
pgrppl 48 1342 0 1332 1 0 1 1 0 8 0
ucredpl 96 5351 0 5340 1 0 1 1 0 8 0
zombiepl 144 9497 0 9496 1 0 1 1 0 8 0
processpl 1000 9548 0 9496 8 1 7 7 0 8 0
procpl 672 20100 0 20040 12 6 6 7 0 8 1
sosppl 168 37 0 37 7 7 0 1 0 8 0
sockpl 448 8635 0 8610 140 128 12 30 0 8 9
mcl64k 65536 239 0 239 21 20 1 1 0 8 1
mcl16k 16384 91 0 91 11 10 1 1 0 8 1
mcl12k 12288 114 0 114 15 14 1 1 0 8 1
mcl9k 9216 61 0 61 14 14 0 1 0 8 0
mcl8k 8192 199 0 199 18 17 1 1 0 8 1
mcl4k 4096 419 0 419 16 15 1 1 0 8 1
mcl2k2 2112 24 0 24 13 12 1 1 0 8 1
mcl2k 2048 43320 0 43277 57 48 9 13 0 8 2
mtagpl 96 583 0 449 7 2 5 6 0 8 0
mbufpl 256 159277 0 158837 351 313 38 287 0 8 0
bufpl 288 15572 0 9173 458 0 458 458 0 8 0
anonpl 24 2475540 0 2463831 196 122 74 113 0 188 2
amapchunkpl 152 271048 0 270605 66 47 19 30 0 158 1
amappl16 200 24295 0 23904 92 71 21 41 0 8 0
amappl15 192 88 0 83 1 0 1 1 0 8 0
amappl14 184 2301 0 2296 1 0 1 1 0 8 0
amappl13 176 4302 0 4301 1 0 1 1 0 8 0
amappl12 168 6 0 4 1 0 1 1 0 8 0
amappl11 160 366 0 352 1 0 1 1 0 8 0
amappl10 152 268 0 263 1 0 1 1 0 8 0
amappl9 144 671 0 669 1 0 1 1 0 8 0
amappl8 136 2272 0 2185 4 0 4 4 0 8 0
amappl7 128 1763 0 1757 1 0 1 1 0 8 0
amappl6 120 516 0 504 1 0 1 1 0 8 0
amappl5 112 9522 0 9504 1 0 1 1 0 8 0
amappl4 104 1336 0 1307 1 0 1 1 0 8 0
amappl3 96 390 0 374 1 0 1 1 0 8 0
amappl2 88 14021 0 13976 2 0 2 2 0 8 0
amappl1 80 149568 0 149156 13 3 10 12 0 8 0
amappl 88 110545 0 110408 4 0 4 4 0 92 0
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 6 0 6 1 1 0 1 0 8 0
dma128 128 253 0 253 1 1 0 1 0 8 0
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 57 0 6 1 0 1 1 0 8 0
uaddrrnd 24 9541 0 9518 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 9541 0 9518 1 0 1 1 0 8 0
vmmpekpl 168 45960 0 45932 2 0 2 2 0 8 0
vmmpepl 168 824809 0 823198 174 99 75 89 0 357 1
vmsppl 272 9540 0 9518 3 1 2 2 0 8 0
rwobjpl 24 186123 0 179012 46 2 44 46 0 8 0
pdppl 4096 19088 0 19043 74 27 47 52 0 8 2
pvpl 32 4222664 0 4209905 318 210 108 173 0 265 3
pmappl 216 9540 0 9518 3 1 2 2 0 8 0
extentpl 40 57 0 38 1 0 1 1 0 8 0
phpool 112 1375 0 610 31 7 24 29 0 8 0
ddb> machine ddbcpu 0
No such command
ddb> trace
end trace frame: 0x0, count: -1
ddb> machine ddbcpu 1
No such command
ddb> trace
end trace frame: 0x0, count: -1