login: panic: kernel diagnostic assertion "suser(curproc) == 0" failed: file "/syzkaller/managers/main/kernel/sys/dev/dt/dt_dev.c", line 431
Stopped at db_enter+0x18: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440 sys/arch/amd64/amd64/db_interface.c:440
panic(ffffffff824292db) at panic+0x161 sys/kern/subr_prf.c:202 sys/kern/subr_prf.c:202
__assert(ffffffff8249abe3,ffffffff824b8dae,1af,ffffffff8246aab5) at __assert+0x25 sys/kern/subr_prf.c:161 sys/kern/subr_prf.c:161
dt_ioctl_record_stop(ffff800000b2f300) at dt_ioctl_record_stop+0x165 sys/dev/dt/dt_dev.c:431 sys/dev/dt/dt_dev.c:431
dtclose(11e6e,1,2000,ffff80002165f7b0) at dtclose+0xc2 dt_pcb_purge sys/dev/dt/dt_dev.c:582 [inline] dt_pcb_purge sys/dev/dt/dt_dev.c:582 [inline]
dtclose(11e6e,1,2000,ffff80002165f7b0) at dtclose+0xc2 sys/dev/dt/dt_dev.c:204 dt_pcb_purge sys/dev/dt/dt_dev.c:582 [inline]
dtclose(11e6e,1,2000,ffff80002165f7b0) at dtclose+0xc2 dt_pcb_purge sys/dev/dt/dt_dev.c:582 [inline] sys/dev/dt/dt_dev.c:204
dtclose(11e6e,1,2000,ffff80002165f7b0) at dtclose+0xc2 sys/dev/dt/dt_dev.c:204 sys/dev/dt/dt_dev.c:204
spec_close(ffff80002167da60) at spec_close+0x363 sys/kern/spec_vnops.c:572 sys/kern/spec_vnops.c:572
VOP_CLOSE(fffffd806d2e4bd0,1,fffffd807f7d8b40,ffff80002165f7b0) at VOP_CLOSE+0xde sys/kern/vfs_vops.c:156 sys/kern/vfs_vops.c:156
vn_closefile(fffffd806f9b0690,ffff80002165f7b0) at vn_closefile+0xd2 vn_close sys/kern/vfs_vnops.c:298 [inline] vn_close sys/kern/vfs_vnops.c:298 [inline]
vn_closefile(fffffd806f9b0690,ffff80002165f7b0) at vn_closefile+0xd2 sys/kern/vfs_vnops.c:624 vn_close sys/kern/vfs_vnops.c:298 [inline]
vn_closefile(fffffd806f9b0690,ffff80002165f7b0) at vn_closefile+0xd2 vn_close sys/kern/vfs_vnops.c:298 [inline] sys/kern/vfs_vnops.c:624
vn_closefile(fffffd806f9b0690,ffff80002165f7b0) at vn_closefile+0xd2 sys/kern/vfs_vnops.c:624 sys/kern/vfs_vnops.c:624
fdrop(fffffd806f9b0690,ffff80002165f7b0) at fdrop+0xc7 sys/kern/kern_descrip.c:1279 sys/kern/kern_descrip.c:1279
closef(fffffd806f9b0690,ffff80002165f7b0) at closef+0x117 sys/kern/kern_descrip.c:1263 sys/kern/kern_descrip.c:1263
fdfree(ffff80002165f7b0) at fdfree+0xf3 sys/kern/kern_descrip.c:1195 sys/kern/kern_descrip.c:1195
exit1(ffff80002165f7b0,0,0,1) at exit1+0x35d sys/kern/kern_exit.c:202 sys/kern/kern_exit.c:202
sys_exit(ffff80002165f7b0,ffff80002167dcf0,ffff80002167dd50) at sys_exit+0x16 sys/kern/kern_exit.c:95 sys/kern/kern_exit.c:95
syscall(ffff80002167ddc0) at syscall+0x44e sys/arch/amd64/amd64/trap.c:585 sys/arch/amd64/amd64/trap.c:585
end trace frame: 0xffff80002167de40, count: 0
https://www.openbsd.org/ddb.html describes the minimum info required in bug
reports. Insufficient info makes it difficult to find and fix bugs.
ddb>
ddb> set $lines = 0
ddb> set $maxwidth = 0
ddb> show panic
*cpu0: kernel diagnostic assertion "suser(curproc) == 0" failed: file "/syzkaller/managers/main/kernel/sys/dev/dt/dt_dev.c", line 431
ddb> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440 sys/arch/amd64/amd64/db_interface.c:440
panic(ffffffff824292db) at panic+0x161 sys/kern/subr_prf.c:202 sys/kern/subr_prf.c:202
__assert(ffffffff8249abe3,ffffffff824b8dae,1af,ffffffff8246aab5) at __assert+0x25 sys/kern/subr_prf.c:161 sys/kern/subr_prf.c:161
dt_ioctl_record_stop(ffff800000b2f300) at dt_ioctl_record_stop+0x165 sys/dev/dt/dt_dev.c:431 sys/dev/dt/dt_dev.c:431
dtclose(11e6e,1,2000,ffff80002165f7b0) at dtclose+0xc2 dt_pcb_purge sys/dev/dt/dt_dev.c:582 [inline] dt_pcb_purge sys/dev/dt/dt_dev.c:582 [inline]
dtclose(11e6e,1,2000,ffff80002165f7b0) at dtclose+0xc2 sys/dev/dt/dt_dev.c:204 dt_pcb_purge sys/dev/dt/dt_dev.c:582 [inline]
dtclose(11e6e,1,2000,ffff80002165f7b0) at dtclose+0xc2 dt_pcb_purge sys/dev/dt/dt_dev.c:582 [inline] sys/dev/dt/dt_dev.c:204
dtclose(11e6e,1,2000,ffff80002165f7b0) at dtclose+0xc2 sys/dev/dt/dt_dev.c:204 sys/dev/dt/dt_dev.c:204
spec_close(ffff80002167da60) at spec_close+0x363 sys/kern/spec_vnops.c:572 sys/kern/spec_vnops.c:572
VOP_CLOSE(fffffd806d2e4bd0,1,fffffd807f7d8b40,ffff80002165f7b0) at VOP_CLOSE+0xde sys/kern/vfs_vops.c:156 sys/kern/vfs_vops.c:156
vn_closefile(fffffd806f9b0690,ffff80002165f7b0) at vn_closefile+0xd2 vn_close sys/kern/vfs_vnops.c:298 [inline] vn_close sys/kern/vfs_vnops.c:298 [inline]
vn_closefile(fffffd806f9b0690,ffff80002165f7b0) at vn_closefile+0xd2 sys/kern/vfs_vnops.c:624 vn_close sys/kern/vfs_vnops.c:298 [inline]
vn_closefile(fffffd806f9b0690,ffff80002165f7b0) at vn_closefile+0xd2 vn_close sys/kern/vfs_vnops.c:298 [inline] sys/kern/vfs_vnops.c:624
vn_closefile(fffffd806f9b0690,ffff80002165f7b0) at vn_closefile+0xd2 sys/kern/vfs_vnops.c:624 sys/kern/vfs_vnops.c:624
fdrop(fffffd806f9b0690,ffff80002165f7b0) at fdrop+0xc7 sys/kern/kern_descrip.c:1279 sys/kern/kern_descrip.c:1279
closef(fffffd806f9b0690,ffff80002165f7b0) at closef+0x117 sys/kern/kern_descrip.c:1263 sys/kern/kern_descrip.c:1263
fdfree(ffff80002165f7b0) at fdfree+0xf3 sys/kern/kern_descrip.c:1195 sys/kern/kern_descrip.c:1195
exit1(ffff80002165f7b0,0,0,1) at exit1+0x35d sys/kern/kern_exit.c:202 sys/kern/kern_exit.c:202
sys_exit(ffff80002165f7b0,ffff80002167dcf0,ffff80002167dd50) at sys_exit+0x16 sys/kern/kern_exit.c:95 sys/kern/kern_exit.c:95
syscall(ffff80002167ddc0) at syscall+0x44e sys/arch/amd64/amd64/trap.c:585 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7fffff5e00, count: -15
ddb> show registers
rdi 0
rsi 0x1
rbp 0xffff80002167d880
rbx 0
rdx 0x3fd
rcx 0
rax 0x86
r8 0x101010101010101
r9 0x8080808080808080
r10 0x200f5057a89bfd5b
r11 0x3c53bd8ed4d6d543
r12 0
r13 0xffff800000b2f300
r14 0
r15 0x1
rip 0xffffffff8103e808 db_enter+0x18
cs 0x8
rflags 0x246
rsp 0xffff80002167d870
ss 0x10
db_enter+0x18: addq $0x8,%rsp
ddb> show proc
PROC (syz-executor2570) pid=386896 stat=onproc
flags process=1a<EXEC,EXITING,SUGID> proc=2000<WEXIT>
pri=17, usrpri=50, nice=20
forw=0xffffffffffffffff, list=0xffff80002165e010,0xffffffff828bf260
process=0xffff800021641b68 user=0xffff800021678000, vmspace=0xfffffd807f018440
estcpu=0, cpticks=2, pctcpu=0.0
user=0, sys=1, intr=0
ddb> ps
PID TID PPID UID S FLAGS WAIT COMMAND
66453 478579 27393 0 3 0x10008a sigsusp ksh
27393 78882 59754 0 3 0x9a poll sshd
41640 91748 1 0 3 0x100083 ttyin getty
59754 163893 1 0 3 0x88 poll sshd
18670 3786 91641 73 3 0x100090 kqread syslogd
91641 39602 1 0 3 0x100082 netio syslogd
56594 144647 1 0 3 0x100080 kqread resolvd
42690 252612 82229 77 3 0x100092 kqread dhcpleased
61486 2371 82229 77 3 0x100092 kqread dhcpleased
82229 424365 1 0 3 0x80 kqread dhcpleased
7835 202407 0 0 3 0x14200 bored smr
37462 304189 0 0 3 0x14200 pgzero zerothread
18110 321069 0 0 3 0x14200 aiodoned aiodoned
56990 313875 0 0 3 0x14200 syncer update
17164 96094 0 0 3 0x14200 cleaner cleaner
60282 260613 0 0 3 0x14200 reaper reaper
61124 457483 0 0 3 0x14200 pgdaemon pagedaemon
29391 513652 0 0 3 0x14200 bored viomb
14153 193038 0 0 3 0x40014200 acpi0 acpi0
68093 81652 0 0 3 0x14200 bored softnet
77816 126918 0 0 3 0x14200 bored systqmp
49320 45478 0 0 3 0x14200 bored systq
11986 44948 0 0 3 0x40014200 bored softclock
35603 473638 0 0 3 0x40014200 idle0
1 154136 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
devbuf 10101 6390K 6409K 78643K 11191 0
pcb 13 8K 8K 78643K 13 0
rtable 62 2K 2K 78643K 112 0
ifaddr 24 7K 7K 78643K 24 0
counters 19 16K 16K 78643K 19 0
ioctlops 0 0K 2K 78643K 25 0
mount 1 1K 1K 78643K 1 0
log 0 0K 0K 78643K 4 0
vnodes 1181 74K 74K 78643K 1186 0
UFS quota 1 32K 32K 78643K 1 0
UFS mount 5 36K 36K 78643K 5 0
shm 2 1K 1K 78643K 2 0
VM map 2 0K 0K 78643K 2 0
sem 2 0K 0K 78643K 2 0
dirhash 12 2K 2K 78643K 12 0
ACPI 1697 195K 286K 78643K 12598 0
file desc 1 0K 0K 78643K 1 0
proc 56 54K 55K 78643K 227 0
NFS srvsock 1 0K 0K 78643K 1 0
NFS daemon 1 16K 16K 78643K 1 0
in_multi 11 0K 0K 78643K 11 0
ether_multi 1 0K 0K 78643K 1 0
ISOFS mount 1 32K 32K 78643K 1 0
MSDOSFS mount 1 16K 16K 78643K 1 0
ttys 25 122K 122K 78643K 25 0
exec 0 0K 2K 78643K 321 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 73 3K 4K 78643K 1479 0
UVM aobj 3 2K 2K 78643K 3 0
memdesc 1 4K 4K 78643K 1 0
crypto data 1 1K 1K 78643K 1 0
NDP 3 0K 0K 78643K 3 0
temp 19 4178K 4241K 78643K 2847 0
kqueue 9 12K 12K 78643K 9 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 19 0 16 1 0 1 1 0 8 0
rtentry 112 23 0 1 1 0 1 1 0 8 0
unpcb 128 33 0 20 1 0 1 1 0 8 0
syncache 296 5 0 5 1 0 1 1 0 8 1
tcpcb 736 8 0 5 1 0 1 1 0 8 0
arp 88 2 0 0 1 0 1 1 0 8 0
inpcb 304 25 0 19 1 0 1 1 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 96 0 0 6 0 6 6 0 8 0
art_table 32 97 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 1402 0 23 87 0 87 87 0 8 0
ffsino 240 1402 0 23 82 0 82 82 0 8 0
nchpl 144 1575 0 38 57 0 57 57 0 8 0
uvmvnodes 80 1412 0 0 29 0 29 29 0 8 0
vnodes 224 1412 0 0 84 0 84 84 0 8 0
namei 1024 3893 0 3893 1 0 1 1 0 8 1
scxspl 216 3329 0 3329 2 1 1 2 0 8 1
plimitpl 152 15 0 9 1 0 1 1 0 8 0
sigapl 424 232 0 206 4 0 4 4 0 8 0
knotepl 112 125 0 102 1 0 1 1 0 8 0
kqueuepl 184 5 0 0 1 0 1 1 0 8 0
pipepl 304 64 0 61 1 0 1 1 0 8 0
fdescpl 432 219 0 206 2 0 2 2 0 8 0
filepl 120 962 0 908 2 0 2 2 0 8 0
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 96 65 0 54 1 0 1 1 0 8 0
zombiepl 144 207 0 206 1 0 1 1 0 8 0
processpl 1000 232 0 206 4 0 4 4 0 8 0
procpl 672 232 0 206 3 0 3 3 0 8 0
sockpl 448 77 0 55 3 0 3 3 0 8 0
mcl8k 8192 9 0 9 1 0 1 1 0 8 1
mcl4k 4096 5 0 5 1 0 1 1 0 8 1
mcl2k 2048 5610 0 5581 6 0 6 6 0 8 2
mtagpl 96 4 0 4 1 1 0 1 0 8 0
mbufpl 256 10227 0 10159 6 0 6 6 0 8 1
bufpl 288 1894 0 83 130 0 130 130 0 8 0
anonpl 24 32667 0 30613 15 1 14 15 0 188 1
amapchunkpl 152 2786 0 2659 7 1 6 7 0 158 0
amappl16 200 26 0 25 2 1 1 1 0 8 0
amappl15 192 60 0 56 1 0 1 1 0 8 0
amappl13 176 17 0 16 1 0 1 1 0 8 0
amappl12 168 27 0 24 1 0 1 1 0 8 0
amappl11 160 44 0 34 1 0 1 1 0 8 0
amappl10 152 7 0 7 1 1 0 1 0 8 0
amappl9 144 439 0 437 1 0 1 1 0 8 0
amappl8 136 247 0 247 1 0 1 1 0 8 1
amappl7 128 45 0 42 1 0 1 1 0 8 0
amappl6 120 93 0 83 1 0 1 1 0 8 0
amappl5 112 174 0 163 1 0 1 1 0 8 0
amappl4 104 482 0 462 1 0 1 1 0 8 0
amappl3 96 133 0 117 1 0 1 1 0 8 0
amappl2 88 297 0 266 1 0 1 1 0 8 0
amappl1 80 7339 0 6987 9 0 9 9 0 8 1
amappl 88 1254 0 1197 2 0 2 2 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 2 0 0 1 0 1 1 0 8 0
uaddrrnd 24 219 0 206 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 219 0 206 1 0 1 1 0 8 0
vmmpekpl 168 5687 0 5673 1 0 1 1 0 8 0
vmmpepl 168 21825 0 21060 38 0 38 38 0 357 3
vmsppl 272 218 0 206 2 1 1 2 0 8 0
rwobjpl 24 8452 0 6530 12 0 12 12 0 8 0
pdppl 4096 444 0 412 50 18 32 38 0 8 0
pvpl 32 104651 0 100882 34 0 34 34 0 265 2
pmappl 216 218 0 206 1 0 1 1 0 8 0
extentpl 40 57 0 38 1 0 1 1 0 8 0
phpool 112 383 0 21 11 0 11 11 0 8 0
ddb> machine ddbcpu 0
No such command
ddb> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440 sys/arch/amd64/amd64/db_interface.c:440
panic(ffffffff824292db) at panic+0x161 sys/kern/subr_prf.c:202 sys/kern/subr_prf.c:202
__assert(ffffffff8249abe3,ffffffff824b8dae,1af,ffffffff8246aab5) at __assert+0x25 sys/kern/subr_prf.c:161 sys/kern/subr_prf.c:161
dt_ioctl_record_stop(ffff800000b2f300) at dt_ioctl_record_stop+0x165 sys/dev/dt/dt_dev.c:431 sys/dev/dt/dt_dev.c:431
dtclose(11e6e,1,2000,ffff80002165f7b0) at dtclose+0xc2 dt_pcb_purge sys/dev/dt/dt_dev.c:582 [inline] dt_pcb_purge sys/dev/dt/dt_dev.c:582 [inline]
dtclose(11e6e,1,2000,ffff80002165f7b0) at dtclose+0xc2 sys/dev/dt/dt_dev.c:204 dt_pcb_purge sys/dev/dt/dt_dev.c:582 [inline]
dtclose(11e6e,1,2000,ffff80002165f7b0) at dtclose+0xc2 dt_pcb_purge sys/dev/dt/dt_dev.c:582 [inline] sys/dev/dt/dt_dev.c:204
dtclose(11e6e,1,2000,ffff80002165f7b0) at dtclose+0xc2 sys/dev/dt/dt_dev.c:204 sys/dev/dt/dt_dev.c:204
spec_close(ffff80002167da60) at spec_close+0x363 sys/kern/spec_vnops.c:572 sys/kern/spec_vnops.c:572
VOP_CLOSE(fffffd806d2e4bd0,1,fffffd807f7d8b40,ffff80002165f7b0) at VOP_CLOSE+0xde sys/kern/vfs_vops.c:156 sys/kern/vfs_vops.c:156
vn_closefile(fffffd806f9b0690,ffff80002165f7b0) at vn_closefile+0xd2 vn_close sys/kern/vfs_vnops.c:298 [inline] vn_close sys/kern/vfs_vnops.c:298 [inline]
vn_closefile(fffffd806f9b0690,ffff80002165f7b0) at vn_closefile+0xd2 sys/kern/vfs_vnops.c:624 vn_close sys/kern/vfs_vnops.c:298 [inline]
vn_closefile(fffffd806f9b0690,ffff80002165f7b0) at vn_closefile+0xd2 vn_close sys/kern/vfs_vnops.c:298 [inline] sys/kern/vfs_vnops.c:624
vn_closefile(fffffd806f9b0690,ffff80002165f7b0) at vn_closefile+0xd2 sys/kern/vfs_vnops.c:624 sys/kern/vfs_vnops.c:624
fdrop(fffffd806f9b0690,ffff80002165f7b0) at fdrop+0xc7 sys/kern/kern_descrip.c:1279 sys/kern/kern_descrip.c:1279
closef(fffffd806f9b0690,ffff80002165f7b0) at closef+0x117 sys/kern/kern_descrip.c:1263 sys/kern/kern_descrip.c:1263
fdfree(ffff80002165f7b0) at fdfree+0xf3 sys/kern/kern_descrip.c:1195 sys/kern/kern_descrip.c:1195
exit1(ffff80002165f7b0,0,0,1) at exit1+0x35d sys/kern/kern_exit.c:202 sys/kern/kern_exit.c:202
sys_exit(ffff80002165f7b0,ffff80002167dcf0,ffff80002167dd50) at sys_exit+0x16 sys/kern/kern_exit.c:95 sys/kern/kern_exit.c:95
syscall(ffff80002167ddc0) at syscall+0x44e sys/arch/amd64/amd64/trap.c:585 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7fffff5e00, count: -15
ddb> machine ddbcpu 1
No such command
ddb> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440 sys/arch/amd64/amd64/db_interface.c:440
panic(ffffffff824292db) at panic+0x161 sys/kern/subr_prf.c:202 sys/kern/subr_prf.c:202
__assert(ffffffff8249abe3,ffffffff824b8dae,1af,ffffffff8246aab5) at __assert+0x25 sys/kern/subr_prf.c:161 sys/kern/subr_prf.c:161
dt_ioctl_record_stop(ffff800000b2f300) at dt_ioctl_record_stop+0x165 sys/dev/dt/dt_dev.c:431 sys/dev/dt/dt_dev.c:431
dtclose(11e6e,1,2000,ffff80002165f7b0) at dtclose+0xc2 dt_pcb_purge sys/dev/dt/dt_dev.c:582 [inline] dt_pcb_purge sys/dev/dt/dt_dev.c:582 [inline]
dtclose(11e6e,1,2000,ffff80002165f7b0) at dtclose+0xc2 sys/dev/dt/dt_dev.c:204 dt_pcb_purge sys/dev/dt/dt_dev.c:582 [inline]
dtclose(11e6e,1,2000,ffff80002165f7b0) at dtclose+0xc2 dt_pcb_purge sys/dev/dt/dt_dev.c:582 [inline] sys/dev/dt/dt_dev.c:204
dtclose(11e6e,1,2000,ffff80002165f7b0) at dtclose+0xc2 sys/dev/dt/dt_dev.c:204 sys/dev/dt/dt_dev.c:204
spec_close(ffff80002167da60) at spec_close+0x363 sys/kern/spec_vnops.c:572 sys/kern/spec_vnops.c:572
VOP_CLOSE(fffffd806d2e4bd0,1,fffffd807f7d8b40,ffff80002165f7b0) at VOP_CLOSE+0xde sys/kern/vfs_vops.c:156 sys/kern/vfs_vops.c:156
vn_closefile(fffffd806f9b0690,ffff80002165f7b0) at vn_closefile+0xd2 vn_close sys/kern/vfs_vnops.c:298 [inline] vn_close sys/kern/vfs_vnops.c:298 [inline]
vn_closefile(fffffd806f9b0690,ffff80002165f7b0) at vn_closefile+0xd2 sys/kern/vfs_vnops.c:624 vn_close sys/kern/vfs_vnops.c:298 [inline]
vn_closefile(fffffd806f9b0690,ffff80002165f7b0) at vn_closefile+0xd2 vn_close sys/kern/vfs_vnops.c:298 [inline] sys/kern/vfs_vnops.c:624
vn_closefile(fffffd806f9b0690,ffff80002165f7b0) at vn_closefile+0xd2 sys/kern/vfs_vnops.c:624 sys/kern/vfs_vnops.c:624
fdrop(fffffd806f9b0690,ffff80002165f7b0) at fdrop+0xc7 sys/kern/kern_descrip.c:1279 sys/kern/kern_descrip.c:1279
closef(fffffd806f9b0690,ffff80002165f7b0) at closef+0x117 sys/kern/kern_descrip.c:1263 sys/kern/kern_descrip.c:1263
fdfree(ffff80002165f7b0) at fdfree+0xf3 sys/kern/kern_descrip.c:1195 sys/kern/kern_descrip.c:1195
exit1(ffff80002165f7b0,0,0,1) at exit1+0x35d sys/kern/kern_exit.c:202 sys/kern/kern_exit.c:202
sys_exit(ffff80002165f7b0,ffff80002167dcf0,ffff80002167dd50) at sys_exit+0x16 sys/kern/kern_exit.c:95 sys/kern/kern_exit.c:95
syscall(ffff80002167ddc0) at syscall+0x44e sys/arch/amd64/amd64/trap.c:585 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7fffff5e00, count: -15
ddb>