login: panic: kernel diagnostic assertion "rn != NULL" failed: file "/syzkaller/managers/main/kernel/sys/net/pipex.c", line 502
Stopped at db_enter+0x25: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
panic(ffffffff833384c7) at panic+0x1cf sys/kern/subr_prf.c:198
__assert(ffffffff83378cbb,ffffffff832ce4e2,1f6,ffffffff83330789) at __assert+0x29 sys/kern/subr_prf.c:-1
pipex_unlink_session_locked(ffff80003c9665b8) at pipex_unlink_session_locked+0x402
pipex_destroy_all_sessions(ffff8000014c1000) at pipex_destroy_all_sessions+0xd9 pipex_rele_session sys/net/pipex.c:-1 [inline]
pipex_destroy_all_sessions(ffff8000014c1000) at pipex_destroy_all_sessions+0xd9 sys/net/pipex.c:154
pppacclose(637e,41,2000,ffff80003c96cfc8) at pppacclose+0x16f sys/net/if_pppx.c:1335
spec_close(ffff80003c9ebae0) at spec_close+0x417 sys/kern/spec_vnops.c:-1
VOP_CLOSE(fffffd806b4a4550,41,fffffd8007bfb958,ffff80003c96cfc8) at VOP_CLOSE+0x129 sys/kern/vfs_vops.c:156
vn_closefile(fffffd806ba7b808,ffff80003c96cfc8) at vn_closefile+0x11d vn_close sys/kern/vfs_vnops.c:292 [inline]
vn_closefile(fffffd806ba7b808,ffff80003c96cfc8) at vn_closefile+0x11d sys/kern/vfs_vnops.c:615
fdrop(fffffd806ba7b808,ffff80003c96cfc8) at fdrop+0x121 sys/kern/kern_descrip.c:1280
closef(fffffd806ba7b808,ffff80003c96cfc8) at closef+0x190 sys/kern/kern_descrip.c:1264
fdfree(ffff80003c96cfc8) at fdfree+0x115 sys/kern/kern_descrip.c:1195
exit1(ffff80003c96cfc8,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215
sys_exit(ffff80003c96cfc8,ffff80003c9ebe40,ffff80003c9ebd90) at sys_exit+0x1a sys/kern/kern_exit.c:-1
end trace frame: 0xffff80003c9ebe30, 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 "rn != NULL" failed: file "/syzkaller/managers/main/kernel/sys/net/pipex.c", line 502
ddb> trace
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
panic(ffffffff833384c7) at panic+0x1cf sys/kern/subr_prf.c:198
__assert(ffffffff83378cbb,ffffffff832ce4e2,1f6,ffffffff83330789) at __assert+0x29 sys/kern/subr_prf.c:-1
pipex_unlink_session_locked(ffff80003c9665b8) at pipex_unlink_session_locked+0x402
pipex_destroy_all_sessions(ffff8000014c1000) at pipex_destroy_all_sessions+0xd9 pipex_rele_session sys/net/pipex.c:-1 [inline]
pipex_destroy_all_sessions(ffff8000014c1000) at pipex_destroy_all_sessions+0xd9 sys/net/pipex.c:154
pppacclose(637e,41,2000,ffff80003c96cfc8) at pppacclose+0x16f sys/net/if_pppx.c:1335
spec_close(ffff80003c9ebae0) at spec_close+0x417 sys/kern/spec_vnops.c:-1
VOP_CLOSE(fffffd806b4a4550,41,fffffd8007bfb958,ffff80003c96cfc8) at VOP_CLOSE+0x129 sys/kern/vfs_vops.c:156
vn_closefile(fffffd806ba7b808,ffff80003c96cfc8) at vn_closefile+0x11d vn_close sys/kern/vfs_vnops.c:292 [inline]
vn_closefile(fffffd806ba7b808,ffff80003c96cfc8) at vn_closefile+0x11d sys/kern/vfs_vnops.c:615
fdrop(fffffd806ba7b808,ffff80003c96cfc8) at fdrop+0x121 sys/kern/kern_descrip.c:1280
closef(fffffd806ba7b808,ffff80003c96cfc8) at closef+0x190 sys/kern/kern_descrip.c:1264
fdfree(ffff80003c96cfc8) at fdfree+0x115 sys/kern/kern_descrip.c:1195
exit1(ffff80003c96cfc8,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215
sys_exit(ffff80003c96cfc8,ffff80003c9ebe40,ffff80003c9ebd90) at sys_exit+0x1a sys/kern/kern_exit.c:-1
syscall(ffff80003c9ebe40) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80003c9ebe40) at syscall+0x962 sys/arch/amd64/amd64/trap.c:746
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7e3794391d30, count: -16
ddb> show registers
rdi 0
rsi 0x1
rbp 0xffff80003c9eb8c0
rbx 0x1
rdx 0
rcx 0
rax 0xffff80003c96cfc8
r8 0x101010101010101
r9 0x8080808080808080
r10 0x51bf6d837b178263
r11 0x2902d1371349363d
r12 0
r13 0xffff80003c965928
r14 0
r15 0x1
rip 0xffffffff8233c015 db_enter+0x25
cs 0x8
rflags 0x246
rsp 0xffff80003c9eb8b0
ss 0x10
db_enter+0x25: addq $0x8,%rsp
ddb> show proc
PROC (syz-executor) tid=38543 pid=22019 tcnt=0 stat=onproc
flags process=1008<EXITING,SINGLEEXIT> proc=2000<WEXIT>
runpri=32, usrpri=84, slppri=32, nice=20
wchan=0x0, wmesg=, ps_single=0xffff80003c96cfc8 scnt=-1 ecnt=1
forw=0xffffffffffffffff, list=0xffff80003c96cd30,0xffff80003c96dcd0
process=0xffff8000ffffa898 user=0xffff80003c9e6000, vmspace=0xfffffd806ba86460
estcpu=34, cpticks=3, pctcpu=0.2, user=0, sys=1, intr=0
ddb> ps
PID TID PPID UID S FLAGS WAIT COMMAND
13668 23216 2631 0 2 0 syz-executor
13668 304667 2631 0 3 0x4000080 fsleep syz-executor
99062 76750 20797 0 2 0 syz-executor
99062 226493 20797 0 3 0x4000080 fsleep syz-executor
27708 291297 72844 0 3 0x80 nanoslp syz-executor
27708 397837 72844 0 3 0x4000080 netacc syz-executor
27708 116821 72844 0 3 0x4000080 fsleep syz-executor
69157 84245 89377 0 2 0 syz-executor
69157 48271 89377 0 3 0x4000080 fsleep syz-executor
41398 509724 52260 0 2 0 syz-executor
41398 334059 52260 0 2 0x4000000 syz-executor
41081 435219 0 0 3 0x14280 nfsidl nfsio
91588 418698 0 0 3 0x14280 nfsidl nfsio
24764 321274 0 0 3 0x14280 nfsidl nfsio
57106 503343 0 0 3 0x14280 nfsidl nfsio
84527 111763 0 0 3 0x14280 nfsidl nfsio
54081 267115 0 0 3 0x14280 nfsidl nfsio
74138 148785 0 0 3 0x14280 nfsidl nfsio
9072 278728 0 0 3 0x14280 nfsidl nfsio
42402 430053 0 0 3 0x14280 nfsidl nfsio
81941 467520 0 0 3 0x14280 nfsidl nfsio
90949 185773 0 0 3 0x14280 nfsidl nfsio
41331 161312 0 0 3 0x14280 nfsidl nfsio
99729 56404 0 0 3 0x14280 nfsidl nfsio
1754 180216 0 0 3 0x14280 nfsidl nfsio
69835 392549 0 0 3 0x14280 nfsidl nfsio
86847 110180 0 0 3 0x14280 nfsidl nfsio
15179 172675 0 0 3 0x14280 nfsidl nfsio
60617 87737 0 0 3 0x14280 nfsidl nfsio
94316 297882 0 0 3 0x14280 nfsidl nfsio
96146 479225 0 0 3 0x14280 nfsidl nfsio
87239 290800 1 0 3 0x100083 ttyopn getty
28661 330554 0 0 3 0x14200 bored sosplice
25087 400865 29274 0 2 0x2 syz-executor
20797 450627 29274 0 3 0x82 nanoslp syz-executor
25766 410317 29274 0 3 0x82 nanoslp syz-executor
34735 57566 29274 0 2 0x2 syz-executor
89377 192454 29274 0 3 0x82 nanoslp syz-executor
52260 207826 29274 0 3 0x82 nanoslp syz-executor
72844 424263 29274 0 3 0x82 nanoslp syz-executor
2631 173933 29274 0 3 0x82 nanoslp syz-executor
29274 319323 4190 0 3 0x82 kqread syz-executor
4190 377253 98103 0 3 0x10008a sigsusp ksh
98103 334032 99658 0 3 0x98 kqread sshd-session
99658 475998 65020 0 3 0x92 kqread sshd-session
65020 8095 1 0 3 0x88 kqread sshd
57786 360541 16361 73 3 0x1100090 kqread syslogd
16361 42731 1 0 3 0x100082 sbwait syslogd
44087 479670 1 0 3 0x100080 kqread resolvd
36928 283526 11841 77 2 0x100012 dhcpleased
18251 136120 11841 77 3 0x100092 kqread dhcpleased
11841 199260 1 0 3 0x80 kqread dhcpleased
36479 359166 0 0 3 0x14200 bored smr
28803 248677 0 0 2 0x14200 zerothread
84908 422241 0 0 3 0x14200 aiodoned aiodoned
97506 291788 0 0 3 0x14200 syncer update
97727 46009 0 0 3 0x14200 cleaner cleaner
51223 82805 0 0 3 0x14200 reaper reaper
21523 342505 0 0 3 0x14200 pgdaemon pagedaemon
45844 426832 0 0 3 0x14200 bored viomb
99404 33989 0 0 3 0x40014200 acpi0 acpi0
69593 342023 0 0 2 0x14200 softnet0
40366 98699 0 0 3 0x14200 bored systqmp
23085 292313 0 0 3 0x14200 bored systq
1255 509107 0 0 3 0x40014200 tmoslp softclock
64438 345425 0 0 3 0x40014200 idle0
1 438614 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 10187 11057K 11256K 166960K 12743 0
pcb 19 12K 12K 166960K 255 0
rtable 188 12K 12K 166960K 496 0
pf 32 13K 16K 166960K 239 0
ifaddr 34 6K 7K 166960K 170 0
ifgroup 52 2K 2K 166960K 327 0
sysctl 4 1K 9K 166960K 12 0
counters 36 18K 18K 166960K 204 0
ioctlops 0 0K 4K 166960K 233 0
iov 0 0K 36K 166960K 53 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1332 84K 84K 166960K 2275 0
UFS quota 1 32K 32K 166960K 1 0
UFS mount 5 36K 36K 166960K 5 0
shm 2 2K 6K 166960K 14 0
VM map 2 1K 1K 166960K 2 0
sem 3 33K 33K 166960K 5 0
dirhash 12 2K 2K 166960K 45 0
ACPI 1692 195K 286K 166960K 12470 0
file desc 16 57K 240K 166960K 2399 0
sigio 0 0K 0K 166960K 41 0
proc 60 59K 124K 166960K 584 0
subproc 72 4K 4K 166960K 72 0
NFS srvsock 1 0K 0K 166960K 1 0
NFS daemon 1 16K 16K 166960K 1 0
ip_moptions 0 0K 0K 166960K 49 0
in_multi 58 4K 7K 166960K 183 0
ether_multi 1 0K 0K 166960K 17 0
mrt 0 0K 0K 166960K 21 0
ISOFS mount 1 32K 32K 166960K 1 0
MSDOSFS mount 1 16K 16K 166960K 1 0
ttys 79 360K 360K 166960K 79 0
exec 0 0K 1K 166960K 440 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 214 159K 177K 166960K 21057 0
UVM aobj 18 3K 4K 166960K 20 0
pinsyscall 37 74K 96K 166960K 3434 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
ip6_options 0 0K 0K 166960K 53 0
NDP 12 0K 2K 166960K 114 0
temp 57 8643K 8721K 166960K 50785 0
kqueue 14 22K 30K 166960K 282 0
SYN cache 2 8K 16K 166960K 3 0
ddb> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
rtpcb 120 97 0 94 1 0 1 1 0 8 0
rtentry 136 158 0 97 4 0 4 4 0 8 0
unpcb 144 528 0 513 1 0 1 1 0 8 0
syncache 336 5 0 5 3 2 1 1 0 8 1
tcpqe 32 3 0 3 2 1 1 1 0 8 1
tcpcb 736 335 0 326 2 0 2 2 0 8 1
arp 96 16 0 4 1 0 1 1 0 8 0
ipq 40 8 0 6 1 0 1 1 0 8 0
ipqe 40 12 0 9 1 0 1 1 0 8 0
inpcb 328 735 0 721 4 2 2 2 0 8 0
ip6q 72 7 0 6 2 1 1 1 0 8 0
ip6af 40 12 0 11 2 1 1 1 0 8 0
nd6 104 21 0 12 1 0 1 1 0 8 0
pkpcb 40 11 0 11 2 1 1 1 0 8 1
kcovpl 48 8 0 0 1 0 1 1 0 8 0
mppekey 1024 3 0 3 2 1 1 1 0 8 1
ppxss 1072 136 0 131 2 1 1 1 0 8 0
pppxif 1384 26 0 26 2 1 1 1 0 8 1
pfrktable 1344 3 0 3 1 1 0 1 0 8 0
rttmr 136 7 0 7 2 1 1 1 0 8 1
art_heap8 4096 5 0 1 4 0 4 4 0 8 0
art_heap4 256 937 0 715 29 9 20 29 0 8 1
art_table 40 942 0 716 5 0 5 5 0 8 0
art_node 32 157 0 106 1 0 1 1 0 8 0
sysvmsgpl 40 14 0 7 1 0 1 1 0 8 0
semapl 112 1 0 0 1 0 1 1 0 8 0
shmpl 112 17 0 2 1 0 1 1 0 8 0
dirhash 1024 40 0 23 3 0 3 3 0 8 0
dino2pl 256 5120 0 3625 95 0 95 95 0 8 0
ffsino 256 5120 0 3625 95 0 95 95 0 8 0
nchpl 144 7869 0 6189 63 0 63 63 0 8 0
rtmask 32 35 0 34 2 1 1 1 0 8 0
uvmvnodes 80 5549 0 0 114 0 114 114 0 8 0
vnodes 216 5549 0 0 309 0 309 309 0 8 0
namei 1024 20103 0 20102 4 3 1 2 0 8 0
kstatmem 264 196 0 172 3 0 3 3 0 8 1
acpiwqpl 32 1 0 1 1 0 1 1 1 8 1
scsiplug 72 4 0 4 2 1 1 1 0 8 1
scxspl 216 31211 0 31211 24 16 8 8 1 8 8
plimitpl 152 267 0 249 1 0 1 1 0 8 0
sigapl 424 2692 0 2630 9 1 8 8 0 8 0
knotepl 120 103801 0 103752 40 29 11 16 0 8 8
kqueuepl 184 420 0 409 1 0 1 1 0 8 0
pipepl 304 171 0 141 3 0 3 3 0 8 0
fdescpl 448 2653 0 2625 5 1 4 5 0 8 0
filepl 120 7576 0 7352 8 0 8 8 0 8 1
lockfpl 104 348 0 346 1 0 1 1 0 8 0
lockfspl 48 150 0 148 1 0 1 1 0 8 0
sessionpl 144 27 0 19 1 0 1 1 0 8 0
pgrppl 48 52 0 36 1 0 1 1 0 8 0
ucredpl 104 1464 0 1450 1 0 1 1 0 8 0
zombiepl 144 3123 0 3122 3 2 1 1 0 8 0
processpl 1152 2692 0 2630 5 0 5 5 0 8 0
procpl 664 5590 0 5522 8 1 7 7 0 8 0
sosppl 168 5 0 5 1 0 1 1 0 8 1
sockpl 552 1681 0 1648 4 1 3 3 0 8 0
mcl64k 65536 1097 0 1095 3 2 1 1 0 8 0
mcl16k 16384 350 0 350 3 2 1 1 0 8 1
mcl12k 12288 394 0 394 4 3 1 1 0 8 1
mcl9k 9216 172 0 171 4 3 1 1 0 8 0
mcl8k 8192 722 0 722 4 3 1 1 0 8 1
mcl4k 4096 7528 0 7477 13 6 7 12 0 8 0
mcl2k2 2112 5 0 5 3 2 1 1 0 8 1
mcl2k 2048 930 0 928 4 2 2 2 0 8 1
mtagpl 96 6 0 6 3 2 1 1 0 8 1
mbufpl 256 32544 0 32334 22 2 20 20 0 8 3
bufpl 280 12630 0 6402 446 0 446 446 0 8 0
anonpl 24 315585 0 311887 68 22 46 46 0 187 17
amapchunkpl 152 72199 0 71741 39 14 25 29 0 158 5
amappl16 200 5642 0 5600 44 31 13 16 0 8 8
amappl15 192 4 0 4 1 1 0 1 0 8 0
amappl14 184 153 0 143 1 0 1 1 0 8 0
amappl13 176 29 0 29 1 1 0 1 0 8 0
amappl12 168 3266 0 3238 2 0 2 2 0 8 0
amappl11 160 47 0 37 1 0 1 1 0 8 0
amappl10 152 6 0 5 1 0 1 1 0 8 0
amappl9 144 258 0 258 1 1 0 1 0 8 0
amappl8 136 24 0 22 1 0 1 1 0 8 0
amappl7 128 161 0 151 1 0 1 1 0 8 0
amappl6 120 172 0 169 1 0 1 1 0 8 0
amappl5 112 116 0 110 1 0 1 1 0 8 0
amappl4 104 299 0 283 1 0 1 1 0 8 0
amappl3 96 13646 0 13566 4 1 3 3 0 8 0
amappl2 88 2897 0 2829 2 0 2 2 0 8 0
amappl1 80 17528 0 16981 16 2 14 14 0 8 1
amappl 88 20218 0 20068 5 0 5 5 0 92 0
dma65536 65536 1 0 1 1 0 1 1 0 8 1
dma8192 8192 1 0 1 1 1 0 1 0 8 0
dma4096 4096 1 0 1 1 1 0 1 0 8 0
dma2048 2048 1 0 1 1 1 0 1 0 8 0
dma1024 1024 1 0 0 1 0 1 1 0 8 0
dma256 256 8 0 8 2 1 1 1 0 8 1
dma128 128 254 0 254 2 2 0 1 0 8 0
dma64 64 6 0 6 1 1 0 1 0 8 0
dma32 32 8 0 8 2 2 0 1 0 8 0
dma16 16 19 0 18 1 0 1 1 0 8 0
aobjpl 72 19 0 2 1 0 1 1 0 8 0
uaddrrnd 24 2653 0 2625 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 2653 0 2625 1 0 1 1 0 8 0
vmmpekpl 168 18991 0 18945 3 0 3 3 0 8 0
vmmpepl 168 161622 0 159794 110 14 96 96 0 357 11
vmsppl 368 2652 0 2625 4 1 3 4 0 8 0
rwobjpl 40 43187 0 36775 66 1 65 65 0 8 0
pdppl 4096 5312 0 5250 112 46 66 82 0 8 4
pvpl 32 1144649 0 1135268 171 33 138 138 0 265 49
pmappl 216 2652 0 2625 3 1 2 3 0 8 0
extentpl 40 45 0 27 1 0 1 1 0 8 0
phpool 112 414 0 84 10 0 10 10 0 8 0
ddb> machine ddbcpu 0
No such command
ddb> trace
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
panic(ffffffff833384c7) at panic+0x1cf sys/kern/subr_prf.c:198
__assert(ffffffff83378cbb,ffffffff832ce4e2,1f6,ffffffff83330789) at __assert+0x29 sys/kern/subr_prf.c:-1
pipex_unlink_session_locked(ffff80003c9665b8) at pipex_unlink_session_locked+0x402
pipex_destroy_all_sessions(ffff8000014c1000) at pipex_destroy_all_sessions+0xd9 pipex_rele_session sys/net/pipex.c:-1 [inline]
pipex_destroy_all_sessions(ffff8000014c1000) at pipex_destroy_all_sessions+0xd9 sys/net/pipex.c:154
pppacclose(637e,41,2000,ffff80003c96cfc8) at pppacclose+0x16f sys/net/if_pppx.c:1335
spec_close(ffff80003c9ebae0) at spec_close+0x417 sys/kern/spec_vnops.c:-1
VOP_CLOSE(fffffd806b4a4550,41,fffffd8007bfb958,ffff80003c96cfc8) at VOP_CLOSE+0x129 sys/kern/vfs_vops.c:156
vn_closefile(fffffd806ba7b808,ffff80003c96cfc8) at vn_closefile+0x11d vn_close sys/kern/vfs_vnops.c:292 [inline]
vn_closefile(fffffd806ba7b808,ffff80003c96cfc8) at vn_closefile+0x11d sys/kern/vfs_vnops.c:615
fdrop(fffffd806ba7b808,ffff80003c96cfc8) at fdrop+0x121 sys/kern/kern_descrip.c:1280
closef(fffffd806ba7b808,ffff80003c96cfc8) at closef+0x190 sys/kern/kern_descrip.c:1264
fdfree(ffff80003c96cfc8) at fdfree+0x115 sys/kern/kern_descrip.c:1195
exit1(ffff80003c96cfc8,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215
sys_exit(ffff80003c96cfc8,ffff80003c9ebe40,ffff80003c9ebd90) at sys_exit+0x1a sys/kern/kern_exit.c:-1
syscall(ffff80003c9ebe40) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80003c9ebe40) at syscall+0x962 sys/arch/amd64/amd64/trap.c:746
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7e3794391d30, count: -16
ddb> machine ddbcpu 1
No such command
ddb> trace
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
panic(ffffffff833384c7) at panic+0x1cf sys/kern/subr_prf.c:198
__assert(ffffffff83378cbb,ffffffff832ce4e2,1f6,ffffffff83330789) at __assert+0x29 sys/kern/subr_prf.c:-1
pipex_unlink_session_locked(ffff80003c9665b8) at pipex_unlink_session_locked+0x402
pipex_destroy_all_sessions(ffff8000014c1000) at pipex_destroy_all_sessions+0xd9 pipex_rele_session sys/net/pipex.c:-1 [inline]
pipex_destroy_all_sessions(ffff8000014c1000) at pipex_destroy_all_sessions+0xd9 sys/net/pipex.c:154
pppacclose(637e,41,2000,ffff80003c96cfc8) at pppacclose+0x16f sys/net/if_pppx.c:1335
spec_close(ffff80003c9ebae0) at spec_close+0x417 sys/kern/spec_vnops.c:-1
VOP_CLOSE(fffffd806b4a4550,41,fffffd8007bfb958,ffff80003c96cfc8) at VOP_CLOSE+0x129 sys/kern/vfs_vops.c:156
vn_closefile(fffffd806ba7b808,ffff80003c96cfc8) at vn_closefile+0x11d vn_close sys/kern/vfs_vnops.c:292 [inline]
vn_closefile(fffffd806ba7b808,ffff80003c96cfc8) at vn_closefile+0x11d sys/kern/vfs_vnops.c:615
fdrop(fffffd806ba7b808,ffff80003c96cfc8) at fdrop+0x121 sys/kern/kern_descrip.c:1280
closef(fffffd806ba7b808,ffff80003c96cfc8) at closef+0x190 sys/kern/kern_descrip.c:1264
fdfree(ffff80003c96cfc8) at fdfree+0x115 sys/kern/kern_descrip.c:1195
exit1(ffff80003c96cfc8,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215
sys_exit(ffff80003c96cfc8,ffff80003c9ebe40,ffff80003c9ebd90) at sys_exit+0x1a sys/kern/kern_exit.c:-1
syscall(ffff80003c9ebe40) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80003c9ebe40) at syscall+0x962 sys/arch/amd64/amd64/trap.c:746
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7e3794391d30, count: -16