panic: free: non-malloced addr 0x3000 type ip_moptions
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(ffffffff8346d89c) at panic+0x1e5 sys/kern/subr_prf.c:198
free(3000,35,0) at free+0x6b7 sys/kern/kern_malloc.c:426
ip_freemoptions(ffff800000c40970) at ip_freemoptions+0xea sys/netinet/ip_output.c:1744
in_pcbdetach(fffff4806fced8f8) at in_pcbdetach+0xec sys/netinet/in_pcb.c:605
udp_detach(ffff800001582008) at udp_detach+0x5a sys/netinet/udp_usrreq.c:1158
soclose(ffff800001582008,0) at soclose+0xb0 pru_detach sys/sys/protosw.h:281 [inline]
soclose(ffff800001582008,0) at soclose+0xb0 sys/kern/uipc_socket.c:403
soo_close(fffff4806d1d28f0,ffff80002a22ad10) at soo_close+0x56 sys/kern/sys_socket.c:-1
fdrop(fffff4806d1d28f0,ffff80002a22ad10) at fdrop+0x121 sys/kern/kern_descrip.c:1281
closef(fffff4806d1d28f0,ffff80002a22ad10) at closef+0x192 sys/kern/kern_descrip.c:1265
fdfree(ffff80002a22ad10) at fdfree+0x116 sys/kern/kern_descrip.c:1196
exit1(ffff80002a22ad10,0,0,1) at exit1+0x595 sys/kern/kern_exit.c:215
sys_exit(ffff80002a22ad10,ffff80003c414470,ffff80003c4143c0) at sys_exit+0x1a sys/kern/kern_exit.c:-1
syscall(ffff80003c414470) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80003c414470) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:791
end trace frame: 0xffff80003c4144f0, 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{1}>
ddb{1}> set $lines = 0
ddb{1}> set $maxwidth = 0
ddb{1}> show panic
*cpu1: free: non-malloced addr 0x3000 type ip_moptions
ddb{1}> show kasan
No such command
ddb{1}> trace
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
panic(ffffffff8346d89c) at panic+0x1e5 sys/kern/subr_prf.c:198
free(3000,35,0) at free+0x6b7 sys/kern/kern_malloc.c:426
ip_freemoptions(ffff800000c40970) at ip_freemoptions+0xea sys/netinet/ip_output.c:1744
in_pcbdetach(fffff4806fced8f8) at in_pcbdetach+0xec sys/netinet/in_pcb.c:605
udp_detach(ffff800001582008) at udp_detach+0x5a sys/netinet/udp_usrreq.c:1158
soclose(ffff800001582008,0) at soclose+0xb0 pru_detach sys/sys/protosw.h:281 [inline]
soclose(ffff800001582008,0) at soclose+0xb0 sys/kern/uipc_socket.c:403
soo_close(fffff4806d1d28f0,ffff80002a22ad10) at soo_close+0x56 sys/kern/sys_socket.c:-1
fdrop(fffff4806d1d28f0,ffff80002a22ad10) at fdrop+0x121 sys/kern/kern_descrip.c:1281
closef(fffff4806d1d28f0,ffff80002a22ad10) at closef+0x192 sys/kern/kern_descrip.c:1265
fdfree(ffff80002a22ad10) at fdfree+0x116 sys/kern/kern_descrip.c:1196
exit1(ffff80002a22ad10,0,0,1) at exit1+0x595 sys/kern/kern_exit.c:215
sys_exit(ffff80002a22ad10,ffff80003c414470,ffff80003c4143c0) at sys_exit+0x1a sys/kern/kern_exit.c:-1
syscall(ffff80003c414470) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80003c414470) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:791
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x757a11fb0940, count: -15
ddb{1}> show registers
rdi 0
rsi 0x1
rbp 0xffff80003c413f60
rbx 0xffff80002999ee0f
rdx 0
rcx 0xffff80002a22ad10
rax 0xffff80002999dff0
r8 0x101010101010101
r9 0x8080808080808080
r10 0x3853a95f3d642f95
r11 0xd7b563baf99b4296
r12 0xffff80002999ec10
r13 0
r14 0
r15 0x1
rip 0xffffffff823a8245 db_enter+0x25
cs 0x8
rflags 0x246
rsp 0xffff80003c413f50
ss 0x10
db_enter+0x25: addq $0x8,%rsp
ddb{1}> show proc
PROC (syz-executor) tid=380535 pid=46102 tcnt=0 stat=onproc
flags process=1018<EXITING,SUGID,SINGLEEXIT> proc=2000<WEXIT>
runpri=32, usrpri=86, slppri=32, nice=20
wchan=0x0, wmesg=, ps_single=0xffff80002a22ad10 scnt=-1 ecnt=1
forw=0xffffffffffffffff, list=0xffff80002a22a018,0xffffffff83a45858
process=0xffff800045feb040 user=0xffff80003c40f000, vmspace=0xfffff4807be0f5d0
estcpu=36, cpticks=2, pctcpu=0.0, user=0, sys=1, intr=0
ddb{1}> ps
PID TID PPID UID S PRLAGS PFLAGS WAIT COMMAND
87997 513817 87540 32767 2 0x10 0 syz-executor
87997 379428 87540 32767 3 0x10 0x4000080 lockf syz-executor
49671 124988 95023 0 3 0x2 0x80 wait syz-executor
48801 449399 88419 32767 3 0x10 0x80 nanoslp syz-executor
48801 51311 88419 32767 3 0x10 0x4000080 semwait syz-executor
48801 271569 88419 32767 3 0x10 0x4000080 fsleep syz-executor
48801 369861 88419 32767 3 0x10 0x4000080 fsleep syz-executor
40903 184833 46985 32767 3 0x11 0x80 nanoslp syz-executor
40903 26371 46985 32767 3 0x11 0x4000080 kqsel syz-executor
40903 370517 46985 32767 3 0x11 0x4000080 fsleep syz-executor
86692 300566 38436 32767 3 0x10 0x80 nanoslp syz-executor
86692 467260 38436 32767 3 0x10 0x4000088 kqsel syz-executor
86692 118814 38436 32767 3 0x10 0x4000080 fsleep syz-executor
24397 101108 5631 32767 3 0x10 0x80 nanoslp syz-executor
5631 243804 95023 0 3 0x2 0x80 wait syz-executor
46985 474210 566 32767 3 0x10 0x80 nanoslp syz-executor
87540 326588 44344 32767 3 0x10 0x80 nanoslp syz-executor
88419 472012 16727 32767 3 0x10 0x80 nanoslp syz-executor
20323 440162 64891 32767 3 0x10 0x80 nanoslp syz-executor
38436 260959 20337 32767 3 0x10 0x80 nanoslp syz-executor
47405 169098 39978 32767 3 0x10 0x80 nanoslp syz-executor
566 73868 95023 0 3 0x2 0x80 wait syz-executor
16727 334896 95023 0 3 0x2 0x80 wait syz-executor
64891 29072 95023 0 3 0x2 0x80 wait syz-executor
44344 278971 95023 0 3 0x2 0x80 wait syz-executor
20337 489090 95023 0 3 0x2 0x80 wait syz-executor
39978 359813 95023 0 3 0x2 0x80 wait syz-executor
95023 67642 77252 0 3 0x2 0x80 kqread syz-executor
77252 395140 47232 0 3 0x100002 0x88 sigsusp ksh
47232 415658 34669 0 3 0x10 0x88 kqread sshd-session
34669 416131 85443 0 3 0x12 0x80 kqread sshd-session
95962 136661 1 0 3 0x100003 0x80 ttyin getty
85443 521333 1 0 3 0 0x88 kqread sshd
64249 421843 68081 73 3 0x1100010 0x80 kqread syslogd
68081 195306 1 0 3 0x100002 0x80 sbwait syslogd
89123 416632 1 0 3 0x100000 0x80 kqread resolvd
20721 421970 30655 77 3 0x100012 0x80 kqread dhcpleased
20798 209897 30655 77 3 0x100012 0x80 kqread dhcpleased
30655 6831 1 0 3 0 0x80 kqread dhcpleased
65982 391598 0 0 3 0x14000 0x200 bored smr
73404 332351 0 0 3 0x14000 0x200 pgzero zerothread
27902 120975 0 0 3 0x14000 0x200 aiodoned aiodoned
93097 184566 0 0 3 0x14000 0x200 syncer update
56552 141847 0 0 3 0x14000 0x200 cleaner cleaner
16902 22657 0 0 2 0x14000 0x200 reaper
83402 503165 0 0 3 0x14000 0x200 pgdaemon pagedaemon
43961 278994 0 0 3 0x14000 0x200 bored viomb
19219 332434 0 0 3 0x14000 0x40000200 acpi0 acpi0
2214 272344 0 0 3 0x14000 0x40000200 idle1
95473 84820 0 0 3 0x14000 0x200 bored softnet1
89994 75785 0 0 3 0x14000 0x200 bored softnet0
82576 509836 0 0 3 0x14000 0x200 smrbar systqmp
683 30491 0 0 3 0x14000 0x200 bored systq
60455 450688 0 0 3 0x14000 0x200 tmoslp softclockmp
60840 398797 0 0 3 0x14000 0x40000200 tmoslp softclock
31109 17849 0 0 7 0x14000 0x40000200 idle0
1 288071 0 0 3 0x2 0x80 wait init
0 0 -1 0 3 0x10000 0x200 scheduler swapper
ddb{1}> show all locks
Process 82576 (systqmp) thread 0xffff800045ffe000 (509836)
shared rwlock systqmp r = 0 (0xffffffff83991df8)
#0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1 taskq_thread+0x12a sys/kern/kern_task.c:442
#2 proc_trampoline+0x10
ddb{1}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 11051 12018K 12034K 166960K 12151 0
pcb 17 12K 12K 166960K 17 0
rtable 243 6K 7K 166960K 445 0
pf 31 16K 16K 166960K 37 0
ifaddr 43 7K 7K 166960K 56 0
ifgroup 50 2K 2K 166960K 62 0
sysctl 1 1K 9K 166960K 5 0
counters 70 37K 37K 166960K 76 0
ioctlops 0 0K 2K 166960K 32 0
iov 0 0K 2K 166960K 3 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1287 81K 81K 166960K 1382 0
UFS quota 1 32K 32K 166960K 1 0
UFS mount 5 36K 36K 166960K 5 0
shm 2 1K 5K 166960K 6 0
VM map 2 1K 1K 166960K 2 0
sem 5 0K 0K 166960K 5 0
dirhash 12 2K 2K 166960K 18 0
ACPI 1692 195K 286K 166960K 12470 0
file desc 25 93K 129K 166960K 254 0
sigio 0 0K 0K 166960K 3 0
proc 61 115K 163K 166960K 607 0
subproc 72 4K 4K 166960K 99 0
NFS srvsock 1 0K 0K 166960K 1 0
NFS daemon 1 16K 16K 166960K 1 0
ip_moptions 2 0K 0K 166960K 19 0
in_multi 100 6K 6K 166960K 134 0
ether_multi 1 0K 0K 166960K 1 0
mrt 1 0K 0K 166960K 6 0
ISOFS mount 1 32K 32K 166960K 1 0
MSDOSFS mount 1 16K 16K 166960K 1 0
ttys 67 307K 307K 166960K 67 0
exec 0 0K 1K 166960K 421 0
fusefs mount 1 32K 32K 166960K 1 0
tdb 3 0K 0K 166960K 3 0
VM swap 8 62K 64K 166960K 10 0
UVM amap 269 171K 179K 166960K 3724 0
UVM aobj 8 2K 2K 166960K 8 0
pinsyscall 46 92K 114K 166960K 1412 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
ip6_options 0 0K 0K 166960K 3 0
NDP 13 0K 2K 166960K 36 0
temp 35 9114K 9134K 166960K 4197 0
kqueue 13 20K 27K 166960K 40 0
SYN cache 2 16K 16K 166960K 2 0
ddb{1}> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
plcache 128 28 0 0 1 0 1 1 0 8 0
rtpcb 120 42 0 39 1 0 1 1 0 8 0
rtentry 176 146 0 33 6 0 6 6 0 8 0
unpcb 144 82 0 61 1 0 1 1 0 8 0
syncache 336 8 0 8 1 0 1 1 0 8 1
tcpqe 32 1 0 1 1 0 1 1 0 8 1
tcpcb 736 50 0 42 2 0 2 2 0 8 1
arp 136 25 0 6 1 0 1 1 0 8 0
inpcb 328 202 0 188 5 0 5 5 0 8 3
nd6 152 34 0 9 1 0 1 1 0 8 0
kcovpl 48 11 0 3 1 0 1 1 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 588 0 132 32 0 32 32 0 8 0
art_table 40 589 0 132 6 0 6 6 0 8 0
art_node 32 146 0 34 1 0 1 1 0 8 0
semupl 112 1 0 0 1 0 1 1 0 8 0
semapl 72 3 0 0 1 0 1 1 0 8 0
shmpl 112 5 0 0 1 0 1 1 0 8 0
dirhash 1024 21 0 4 3 0 3 3 0 8 0
dino2pl 256 1661 0 187 93 0 93 93 0 8 0
ffsino 296 1661 0 187 114 0 114 114 0 8 0
nchpl 144 1944 0 238 64 0 64 64 0 8 0
vnodes 216 1769 0 0 99 0 99 99 0 8 0
namei 1024 7142 0 7142 4 1 3 3 0 8 3
percpumem 16 54 0 3 1 0 1 1 0 8 0
kstatmem 264 31 0 6 2 0 2 2 0 8 0
scxspl 216 6621 0 6621 4 2 2 3 1 8 2
plimitpl 152 52 0 27 2 0 2 2 0 8 1
sigapl 424 539 0 486 7 0 7 7 0 8 0
knotepl 120 103 0 0 4 0 4 4 0 8 0
kqueuepl 224 43 0 32 1 0 1 1 0 8 0
pipepl 344 134 0 107 3 0 3 3 0 8 0
fdescpl 528 523 0 486 4 0 4 4 0 8 0
filepl 160 2108 0 1883 12 0 12 12 0 8 2
lockfpl 104 22 0 18 1 0 1 1 0 8 0
lockfspl 48 12 0 9 1 0 1 1 0 8 0
sessionpl 144 33 0 16 1 0 1 1 0 8 0
pgrppl 48 46 0 21 1 0 1 1 0 8 0
ucredpl 104 203 0 184 1 0 1 1 0 8 0
zombiepl 144 490 0 486 1 0 1 1 0 8 0
processpl 1232 539 0 486 5 0 5 5 0 8 0
procpl 664 652 0 590 6 0 6 6 0 8 0
sosppl 176 4 0 4 1 0 1 1 0 8 1
sockpl 752 329 0 291 8 0 8 8 0 8 3
mcl64k 65536 2 0 0 1 0 1 1 0 8 0
mcl8k 8192 2 0 0 1 0 1 1 0 8 0
mcl4k 4096 112 0 0 14 0 14 14 0 8 0
mcl2k 2048 20 0 0 3 0 3 3 0 8 0
mextrefs 64 20 0 0 1 0 1 1 0 8 0
mtagpl 96 2 0 0 1 0 1 1 0 8 0
mbufpl 256 1233 0 0 78 0 78 78 0 8 0
bufpl 272 2327 0 102 149 0 149 149 0 8 0
anonpl 32 5413 0 0 44 0 44 44 0 247 0
amapchunkpl 152 11368 0 10576 44 1 43 43 0 158 9
amappl16 200 1656 0 1636 5 0 5 5 0 8 3
amappl15 192 5 0 5 1 0 1 1 0 8 1
amappl14 184 438 0 437 1 0 1 1 0 8 0
amappl13 176 120 0 110 1 0 1 1 0 8 0
amappl12 168 768 0 732 2 0 2 2 0 8 0
amappl11 160 14 0 13 1 0 1 1 0 8 0
amappl10 152 58 0 48 1 0 1 1 0 8 0
amappl9 144 267 0 267 1 0 1 1 0 8 1
amappl8 136 137 0 136 1 0 1 1 0 8 0
amappl7 128 143 0 132 1 0 1 1 0 8 0
amappl6 120 178 0 176 1 0 1 1 0 8 0
amappl5 112 98 0 91 1 0 1 1 0 8 0
amappl4 104 269 0 255 1 0 1 1 0 8 0
amappl3 96 1853 0 1740 4 1 3 3 0 8 0
amappl2 88 647 0 571 2 0 2 2 0 8 0
amappl1 80 11033 0 10468 16 0 16 16 0 8 1
amappl 88 2986 0 2782 5 0 5 5 0 92 0
uvmvnodes 80 97 0 0 2 0 2 2 0 8 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 7 0 0 1 0 1 1 0 8 0
uaddrrnd 24 523 0 486 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 523 0 486 1 0 1 1 0 8 0
vmmpekpl 168 6250 0 6208 3 0 3 3 0 8 0
vmmpepl 168 43073 0 41007 102 0 102 102 0 357 7
vmsppl 488 522 0 486 7 1 6 6 0 8 0
rwobjpl 80 15511 0 14554 24 0 24 24 0 8 1
pdppl 4096 1053 0 972 109 22 87 99 0 8 6
pvpl 32 13779 0 0 112 0 112 112 0 265 0
pmappl 256 522 0 486 4 1 3 3 0 8 0
extentpl 40 45 0 27 1 0 1 1 0 8 0
phpool 112 498 0 26 14 0 14 14 0 8 0
ddb{1}> machine ddbcpu 0
Stopped at x86_ipi_db+0x27: addq $0x8,%rsp
x86_ipi_db(ffffffff8399bff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394
x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27
__mp_lock(ffffffff83a2e880) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline]
__mp_lock(ffffffff83a2e880) at __mp_lock+0x192 sys/kern/kern_lock.c:173
softintr_dispatch(0) at softintr_dispatch+0x125 sys/kern/kern_softintr.c:83
dosoftint(0) at dosoftint+0x54 sys/arch/amd64/amd64/intr.c:862
Xsoftclock() at Xsoftclock+0x27
acpicpu_idle() at acpicpu_idle+0x457 sys/dev/acpi/acpicpu_x86.c:1224
sched_idle(ffffffff8399bff0) at sched_idle+0x371 sys/kern/kern_sched.c:192
end trace frame: 0x0, count: 6
ddb{0}> trace
x86_ipi_db(ffffffff8399bff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394
x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27
__mp_lock(ffffffff83a2e880) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline]
__mp_lock(ffffffff83a2e880) at __mp_lock+0x192 sys/kern/kern_lock.c:173
softintr_dispatch(0) at softintr_dispatch+0x125 sys/kern/kern_softintr.c:83
dosoftint(0) at dosoftint+0x54 sys/arch/amd64/amd64/intr.c:862
Xsoftclock() at Xsoftclock+0x27
acpicpu_idle() at acpicpu_idle+0x457 sys/dev/acpi/acpicpu_x86.c:1224
sched_idle(ffffffff8399bff0) at sched_idle+0x371 sys/kern/kern_sched.c:192
end trace frame: 0x0, count: -9
ddb{0}> machine ddbcpu 1
Stopped at db_enter+0x25: addq $0x8,%rsp
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
panic(ffffffff8346d89c) at panic+0x1e5 sys/kern/subr_prf.c:198
free(3000,35,0) at free+0x6b7 sys/kern/kern_malloc.c:426
ip_freemoptions(ffff800000c40970) at ip_freemoptions+0xea sys/netinet/ip_output.c:1744
in_pcbdetach(fffff4806fced8f8) at in_pcbdetach+0xec sys/netinet/in_pcb.c:605
udp_detach(ffff800001582008) at udp_detach+0x5a sys/netinet/udp_usrreq.c:1158
soclose(ffff800001582008,0) at soclose+0xb0 pru_detach sys/sys/protosw.h:281 [inline]
soclose(ffff800001582008,0) at soclose+0xb0 sys/kern/uipc_socket.c:403
soo_close(fffff4806d1d28f0,ffff80002a22ad10) at soo_close+0x56 sys/kern/sys_socket.c:-1
fdrop(fffff4806d1d28f0,ffff80002a22ad10) at fdrop+0x121 sys/kern/kern_descrip.c:1281
closef(fffff4806d1d28f0,ffff80002a22ad10) at closef+0x192 sys/kern/kern_descrip.c:1265
fdfree(ffff80002a22ad10) at fdfree+0x116 sys/kern/kern_descrip.c:1196
exit1(ffff80002a22ad10,0,0,1) at exit1+0x595 sys/kern/kern_exit.c:215
sys_exit(ffff80002a22ad10,ffff80003c414470,ffff80003c4143c0) at sys_exit+0x1a sys/kern/kern_exit.c:-1
syscall(ffff80003c414470) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80003c414470) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:791
end trace frame: 0xffff80003c4144f0, count: 0
ddb{1}> trace
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
panic(ffffffff8346d89c) at panic+0x1e5 sys/kern/subr_prf.c:198
free(3000,35,0) at free+0x6b7 sys/kern/kern_malloc.c:426
ip_freemoptions(ffff800000c40970) at ip_freemoptions+0xea sys/netinet/ip_output.c:1744
in_pcbdetach(fffff4806fced8f8) at in_pcbdetach+0xec sys/netinet/in_pcb.c:605
udp_detach(ffff800001582008) at udp_detach+0x5a sys/netinet/udp_usrreq.c:1158
soclose(ffff800001582008,0) at soclose+0xb0 pru_detach sys/sys/protosw.h:281 [inline]
soclose(ffff800001582008,0) at soclose+0xb0 sys/kern/uipc_socket.c:403
soo_close(fffff4806d1d28f0,ffff80002a22ad10) at soo_close+0x56 sys/kern/sys_socket.c:-1
fdrop(fffff4806d1d28f0,ffff80002a22ad10) at fdrop+0x121 sys/kern/kern_descrip.c:1281
closef(fffff4806d1d28f0,ffff80002a22ad10) at closef+0x192 sys/kern/kern_descrip.c:1265
fdfree(ffff80002a22ad10) at fdfree+0x116 sys/kern/kern_descrip.c:1196
exit1(ffff80002a22ad10,0,0,1) at exit1+0x595 sys/kern/kern_exit.c:215
sys_exit(ffff80002a22ad10,ffff80003c414470,ffff80003c4143c0) at sys_exit+0x1a sys/kern/kern_exit.c:-1
syscall(ffff80003c414470) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80003c414470) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:791
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x757a11fb0940, count: -15