panic: free: non-malloced addr 0x6aa73e53 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(6aa73e53,35,0) at free+0x6b7 sys/kern/kern_malloc.c:426
ip_freemoptions(ffff800000c406e0) at ip_freemoptions+0xea sys/netinet/ip_output.c:1744
in_pcbdetach(fffff40078afc3d8) at in_pcbdetach+0xec sys/netinet/in_pcb.c:605
udp_detach(ffff8000015b5790) at udp_detach+0x5a sys/netinet/udp_usrreq.c:1158
soclose(ffff8000015b5790,0) at soclose+0xb0 pru_detach sys/sys/protosw.h:281 [inline]
soclose(ffff8000015b5790,0) at soclose+0xb0 sys/kern/uipc_socket.c:403
soo_close(fffff4006d0a04a0,ffff800045fec7e8) at soo_close+0x56 sys/kern/sys_socket.c:-1
fdrop(fffff4006d0a04a0,ffff800045fec7e8) at fdrop+0x121 sys/kern/kern_descrip.c:1281
closef(fffff4006d0a04a0,ffff800045fec7e8) at closef+0x192 sys/kern/kern_descrip.c:1265
fdfree(ffff800045fec7e8) at fdfree+0x116 sys/kern/kern_descrip.c:1196
exit1(ffff800045fec7e8,0,0,1) at exit1+0x595 sys/kern/kern_exit.c:215
sys_exit(ffff800045fec7e8,ffff80002a3303f0,ffff80002a330340) at sys_exit+0x1a sys/kern/kern_exit.c:-1
syscall(ffff80002a3303f0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002a3303f0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:791
end trace frame: 0xffff80002a330470, 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 0x6aa73e53 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(6aa73e53,35,0) at free+0x6b7 sys/kern/kern_malloc.c:426
ip_freemoptions(ffff800000c406e0) at ip_freemoptions+0xea sys/netinet/ip_output.c:1744
in_pcbdetach(fffff40078afc3d8) at in_pcbdetach+0xec sys/netinet/in_pcb.c:605
udp_detach(ffff8000015b5790) at udp_detach+0x5a sys/netinet/udp_usrreq.c:1158
soclose(ffff8000015b5790,0) at soclose+0xb0 pru_detach sys/sys/protosw.h:281 [inline]
soclose(ffff8000015b5790,0) at soclose+0xb0 sys/kern/uipc_socket.c:403
soo_close(fffff4006d0a04a0,ffff800045fec7e8) at soo_close+0x56 sys/kern/sys_socket.c:-1
fdrop(fffff4006d0a04a0,ffff800045fec7e8) at fdrop+0x121 sys/kern/kern_descrip.c:1281
closef(fffff4006d0a04a0,ffff800045fec7e8) at closef+0x192 sys/kern/kern_descrip.c:1265
fdfree(ffff800045fec7e8) at fdfree+0x116 sys/kern/kern_descrip.c:1196
exit1(ffff800045fec7e8,0,0,1) at exit1+0x595 sys/kern/kern_exit.c:215
sys_exit(ffff800045fec7e8,ffff80002a3303f0,ffff80002a330340) at sys_exit+0x1a sys/kern/kern_exit.c:-1
syscall(ffff80002a3303f0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002a3303f0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:791
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x76614cbaa0c0, count: -15
ddb{1}> show registers
rdi 0
rsi 0x1
rbp 0xffff80002a32fee0
rbx 0xffff80002999ee0f
rdx 0
rcx 0xffff800045fec7e8
rax 0xffff80002999dff0
r8 0x101010101010101
r9 0x8080808080808080
r10 0xc4036a32948969e8
r11 0xde4c07b8d8212392
r12 0xffff80002999ec10
r13 0
r14 0
r15 0x1
rip 0xffffffff823a8245 db_enter+0x25
cs 0x8
rflags 0x246
rsp 0xffff80002a32fed0
ss 0x10
db_enter+0x25: addq $0x8,%rsp
ddb{1}> show proc
PROC (syz-executor) tid=147724 pid=84631 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=0xffff800045fec7e8 scnt=-1 ecnt=1
forw=0xffffffffffffffff, list=0xffff80002a220548,0xffff800045fecfc0
process=0xffff800045ff0018 user=0xffff80002a32b000, vmspace=0xfffff4007a4e3018
estcpu=36, cpticks=3, pctcpu=0.0, user=0, sys=1, intr=0
ddb{1}> ps
PID TID PPID UID S PRLAGS PFLAGS WAIT COMMAND
49825 361007 79495 32767 2 0x10 0 syz-executor
49825 91694 79495 32767 3 0x10 0x4000080 fsleep syz-executor
49825 429005 79495 32767 3 0x10 0x4000080 kqsel syz-executor
49825 489077 79495 32767 3 0x10 0x4000080 fsleep syz-executor
23700 324908 98850 0 3 0 0x80 wait syz-executor
98850 264894 50166 0 3 0x2 0x80 wait syz-executor
69790 59280 49227 0 2 0x2 0 ifconfig
49227 193410 61008 0 3 0x100002 0x88 sigsusp sh
61008 176217 70690 0 3 0 0x80 wait syz-executor
70690 460459 50166 0 3 0x2 0x80 wait syz-executor
79495 8213 95219 32767 3 0x10 0x80 nanoslp syz-executor
95219 264246 50166 0 3 0x2 0x80 wait syz-executor
26026 485756 50166 0 3 0x2 0x80 wait syz-executor
70570 436618 50166 0 2 0x10000002 0 syz-executor
84867 121226 71028 32767 3 0x10 0x80 wait syz-executor
71028 513730 50166 0 3 0x2 0x80 wait syz-executor
91233 354648 30730 32767 3 0x10 0x80 nanoslp syz-executor
30730 254638 50166 0 3 0x2 0x80 wait syz-executor
72221 108483 17084 32767 3 0x10 0x80 wait syz-executor
17084 370273 50166 0 3 0x2 0x80 wait syz-executor
50166 128528 86502 0 3 0x2 0x80 kqread syz-executor
86502 246752 52215 0 3 0x100002 0x88 sigsusp ksh
52215 468505 95126 0 3 0x10 0x88 kqread sshd-session
95126 364858 21808 0 3 0x12 0x80 kqread sshd-session
19738 318569 1 0 3 0x100003 0x80 ttyin getty
21808 273146 1 0 3 0 0x88 kqread sshd
17570 108721 4262 73 3 0x1100010 0x80 kqread syslogd
4262 82713 1 0 3 0x100002 0x80 sbwait syslogd
24660 362002 1 0 3 0x100000 0x80 kqread resolvd
36851 302640 72606 77 3 0x100012 0x80 kqread dhcpleased
68657 288738 72606 77 3 0x100012 0x80 kqread dhcpleased
72606 420388 1 0 3 0 0x80 kqread dhcpleased
21286 52753 0 0 3 0x14000 0x200 bored smr
14500 414328 0 0 2 0x14000 0x200 zerothread
68598 420030 0 0 3 0x14000 0x200 aiodoned aiodoned
57693 460554 0 0 3 0x14000 0x200 syncer update
76453 282735 0 0 3 0x14000 0x200 cleaner cleaner
61470 342948 0 0 3 0x14000 0x200 reaper reaper
79929 7114 0 0 3 0x14000 0x200 pgdaemon pagedaemon
58422 398161 0 0 3 0x14000 0x200 bored viomb
62812 213208 0 0 3 0x14000 0x40000200 acpi0 acpi0
88550 360828 0 0 3 0x14000 0x40000200 idle1
16015 485282 0 0 3 0x14000 0x200 bored softnet1
32611 62728 0 0 3 0x14000 0x200 bored softnet0
59025 346458 0 0 3 0x14000 0x200 smrbar systqmp
93420 285126 0 0 3 0x14000 0x200 bored systq
78886 477312 0 0 3 0x14000 0x200 tmoslp softclockmp
41762 24011 0 0 3 0x14000 0x40000200 tmoslp softclock
34464 257448 0 0 3 0x14000 0x40000200 idle0
1 184826 0 0 3 0x2 0x80 wait init
0 0 -1 0 3 0x10000 0x200 scheduler swapper
ddb{1}> show all locks
CPU 0:
exclusive mutex &sched_lock r = 0 (0xffffffff83a2ccb0)
#0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1 mtx_enter+0x4b4 sys/kern/kern_lock.c:487
#2 wakeup_n+0x54 sys/kern/kern_synch.c:581
#3 uvm_pmr_freepages+0x442 sys/uvm/uvm_pmemrange.c:1334
#4 pmap_do_remove+0x8af sys/arch/amd64/amd64/pmap.c:1949
#5 uvm_unmap_kill_entry_withlock+0x269 sys/uvm/uvm_map.c:1869
#6 uvm_map_teardown+0x117 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:-1 [inline]
#6 uvm_map_teardown+0x117 sys/uvm/uvm_map.c:2497
#7 exit1+0x71b sys/kern/kern_exit.c:260
#8 sys_exit+0x1a sys/kern/kern_exit.c:-1
#9 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#9 syscall+0xb17 sys/arch/amd64/amd64/trap.c:791
#10 Xsyscall+0x128
exclusive mutex &uvm.fpageqlock r = 0 (0xffffffff83a2cb28)
#0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1 mtx_enter+0x4b4 sys/kern/kern_lock.c:487
#2 uvm_pmr_freepages+0x1b6 sys/uvm/uvm_pmemrange.c:-1
#3 pmap_do_remove+0x8af sys/arch/amd64/amd64/pmap.c:1949
#4 uvm_unmap_kill_entry_withlock+0x269 sys/uvm/uvm_map.c:1869
#5 uvm_map_teardown+0x117 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:-1 [inline]
#5 uvm_map_teardown+0x117 sys/uvm/uvm_map.c:2497
#6 exit1+0x71b sys/kern/kern_exit.c:260
#7 sys_exit+0x1a sys/kern/kern_exit.c:-1
#8 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#8 syscall+0xb17 sys/arch/amd64/amd64/trap.c:791
#9 Xsyscall+0x128
Process 59025 (systqmp) thread 0xffff800045ffe298 (346458)
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 11066 12014K 12034K 166960K 12221 0
pcb 17 12K 12K 166960K 17 0
rtable 173 5K 7K 166960K 966 0
pf 25 16K 16K 166960K 67 0
ifaddr 33 6K 7K 166960K 118 0
ifgroup 38 1K 2K 166960K 122 0
sysctl 1 1K 9K 166960K 5 0
counters 64 36K 37K 166960K 106 0
ioctlops 0 0K 2K 166960K 57 0
iov 0 0K 12K 166960K 11 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1288 81K 81K 166960K 1578 0
UFS quota 1 32K 32K 166960K 1 0
UFS mount 5 36K 36K 166960K 5 0
shm 2 1K 5K 166960K 9 0
VM map 2 1K 1K 166960K 2 0
sem 3 8K 9K 166960K 6 0
dirhash 12 2K 2K 166960K 15 0
ACPI 1692 195K 286K 166960K 12470 0
file desc 23 85K 121K 166960K 695 0
sigio 0 0K 0K 166960K 4 0
proc 65 115K 147K 166960K 1047 0
subproc 72 4K 4K 166960K 252 0
NFS srvsock 1 0K 0K 166960K 1 0
NFS daemon 1 16K 16K 166960K 1 0
ip_moptions 3 0K 0K 166960K 119 0
in_multi 67 4K 6K 166960K 306 0
ether_multi 1 0K 0K 166960K 3 0
mrt 1 0K 0K 166960K 13 0
ISOFS mount 1 32K 32K 166960K 1 0
MSDOSFS mount 1 16K 16K 166960K 1 0
ttys 211 943K 943K 166960K 211 0
exec 0 0K 1K 166960K 626 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 224 144K 168K 166960K 6919 0
UVM aobj 46 2K 2K 166960K 47 0
pinsyscall 44 88K 110K 166960K 2261 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
ip6_options 0 0K 0K 166960K 15 0
NDP 14 0K 1K 166960K 81 0
temp 41 9119K 9178K 166960K 6782 0
kqueue 13 20K 29K 166960K 85 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 84 0 81 1 0 1 1 0 8 0
rtentry 176 310 0 232 6 0 6 6 0 8 0
unpcb 144 485 0 468 6 0 6 6 0 8 5
syncache 336 10 0 10 1 0 1 1 0 8 1
tcpqe 32 1 0 1 1 0 1 1 0 8 1
tcpcb 736 87 0 81 1 0 1 1 0 8 0
arp 136 54 0 42 1 0 1 1 0 8 0
ipq 40 2 0 0 1 0 1 1 0 8 0
ipqe 40 2 0 0 1 0 1 1 0 8 0
inpcb 328 458 0 446 7 0 7 7 0 8 5
nd6 152 79 0 64 1 0 1 1 0 8 0
kcovpl 48 28 0 20 1 0 1 1 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 1261 0 849 32 0 32 32 0 8 6
art_table 40 1262 0 849 6 0 6 6 0 8 0
art_node 32 310 0 229 1 0 1 1 0 8 0
sysvmsgpl 40 5 0 4 1 0 1 1 0 8 0
semapl 72 2 0 1 1 0 1 1 0 8 0
shmpl 112 44 0 1 2 0 2 2 0 8 0
dirhash 1024 19 0 2 3 0 3 3 0 8 0
dino2pl 256 1960 0 454 95 0 95 95 0 8 0
ffsino 296 1960 0 454 116 0 116 116 0 8 0
nchpl 144 2520 0 775 65 0 65 65 0 8 0
vnodes 216 2221 0 0 124 0 124 124 0 8 0
namei 1024 10680 0 10680 3 2 1 2 0 8 1
percpumem 16 69 0 21 1 0 1 1 0 8 0
kstatmem 264 61 0 42 2 0 2 2 0 8 0
scxspl 216 8155 0 8155 4 3 1 3 1 8 1
plimitpl 152 140 0 115 2 0 2 2 0 8 0
sigapl 424 948 0 895 7 0 7 7 0 8 0
knotepl 120 296 0 0 9 0 9 9 0 8 0
kqueuepl 224 101 0 91 1 0 1 1 0 8 0
pipepl 344 299 0 272 9 0 9 9 0 8 6
fdescpl 528 932 0 897 3 0 3 3 0 8 0
filepl 160 4171 0 3959 16 0 16 16 0 8 4
lockfpl 104 92 0 90 1 0 1 1 0 8 0
lockfspl 48 37 0 35 1 0 1 1 0 8 0
sessionpl 144 123 0 107 1 0 1 1 0 8 0
pgrppl 48 152 0 128 1 0 1 1 0 8 0
ucredpl 104 680 0 663 1 0 1 1 0 8 0
zombiepl 144 901 0 895 1 0 1 1 0 8 0
processpl 1232 948 0 895 5 0 5 5 0 8 0
procpl 664 1392 0 1336 6 0 6 6 0 8 0
sockpl 752 1030 0 998 16 0 16 16 0 8 12
mcl64k 65536 3 0 0 1 0 1 1 0 8 0
mcl9k128 9344 1 0 0 1 0 1 1 0 8 0
mcl8k 8192 2 0 0 1 0 1 1 0 8 0
mcl4k 4096 122 0 0 16 0 16 16 0 8 0
mcl2k 2048 21 0 0 3 0 3 3 0 8 0
mextrefs 64 25 0 0 1 0 1 1 0 8 0
mtagpl 96 1 0 0 1 0 1 1 0 8 0
mbufpl 256 1224 0 0 77 0 77 77 0 8 0
bufpl 272 2680 0 102 172 0 172 172 0 8 0
anonpl 32 7997 0 0 65 0 65 65 0 247 0
amapchunkpl 152 21105 0 20622 33 0 33 33 0 158 8
amappl16 200 2600 0 2568 16 5 11 15 0 8 8
amappl15 192 4 0 4 1 1 0 1 0 8 0
amappl14 184 622 0 619 1 0 1 1 0 8 0
amappl13 176 159 0 149 1 0 1 1 0 8 0
amappl12 168 1240 0 1208 2 0 2 2 0 8 0
amappl11 160 7 0 7 2 2 0 1 0 8 0
amappl10 152 80 0 70 1 0 1 1 0 8 0
amappl9 144 286 0 286 1 1 0 1 0 8 0
amappl8 136 183 0 180 1 0 1 1 0 8 0
amappl7 128 182 0 170 1 0 1 1 0 8 0
amappl6 120 331 0 328 1 0 1 1 0 8 0
amappl5 112 102 0 94 1 0 1 1 0 8 0
amappl4 104 322 0 305 1 0 1 1 0 8 0
amappl3 96 3613 0 3524 5 1 4 4 0 8 1
amappl2 88 1001 0 928 3 0 3 3 0 8 1
amappl1 80 14578 0 14016 16 0 16 16 0 8 3
amappl 88 5875 0 5713 5 0 5 5 0 92 0
uvmvnodes 80 110 0 0 3 0 3 3 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 46 0 1 1 0 1 1 0 8 0
uaddrrnd 24 932 0 897 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 932 0 897 1 0 1 1 0 8 0
vmmpekpl 168 9626 0 9574 3 0 3 3 0 8 0
vmmpepl 168 69064 0 67150 106 0 106 106 0 357 13
vmsppl 488 931 0 896 7 1 6 6 0 8 0
rwobjpl 80 22456 0 21454 26 0 26 26 0 8 2
pdppl 4096 1871 0 1792 119 32 87 95 0 8 8
pvpl 32 16082 0 0 131 1 130 130 0 265 0
pmappl 256 931 0 896 4 1 3 3 0 8 0
extentpl 40 45 0 27 1 0 1 1 0 8 0
phpool 112 532 0 37 15 0 15 15 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
exit1(ffff80002a220548,1,0,1) at exit1+0x720 sys/kern/kern_exit.c:260
sys_exit(ffff80002a220548,ffff80002a2ea9c0,ffff80002a2ea910) at sys_exit+0x1a sys/kern/kern_exit.c:-1
syscall(ffff80002a2ea9c0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002a2ea9c0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:791
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7c61c1489c60, count: 7
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
exit1(ffff80002a220548,1,0,1) at exit1+0x720 sys/kern/kern_exit.c:260
sys_exit(ffff80002a220548,ffff80002a2ea9c0,ffff80002a2ea910) at sys_exit+0x1a sys/kern/kern_exit.c:-1
syscall(ffff80002a2ea9c0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002a2ea9c0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:791
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7c61c1489c60, count: -8
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(6aa73e53,35,0) at free+0x6b7 sys/kern/kern_malloc.c:426
ip_freemoptions(ffff800000c406e0) at ip_freemoptions+0xea sys/netinet/ip_output.c:1744
in_pcbdetach(fffff40078afc3d8) at in_pcbdetach+0xec sys/netinet/in_pcb.c:605
udp_detach(ffff8000015b5790) at udp_detach+0x5a sys/netinet/udp_usrreq.c:1158
soclose(ffff8000015b5790,0) at soclose+0xb0 pru_detach sys/sys/protosw.h:281 [inline]
soclose(ffff8000015b5790,0) at soclose+0xb0 sys/kern/uipc_socket.c:403
soo_close(fffff4006d0a04a0,ffff800045fec7e8) at soo_close+0x56 sys/kern/sys_socket.c:-1
fdrop(fffff4006d0a04a0,ffff800045fec7e8) at fdrop+0x121 sys/kern/kern_descrip.c:1281
closef(fffff4006d0a04a0,ffff800045fec7e8) at closef+0x192 sys/kern/kern_descrip.c:1265
fdfree(ffff800045fec7e8) at fdfree+0x116 sys/kern/kern_descrip.c:1196
exit1(ffff800045fec7e8,0,0,1) at exit1+0x595 sys/kern/kern_exit.c:215
sys_exit(ffff800045fec7e8,ffff80002a3303f0,ffff80002a330340) at sys_exit+0x1a sys/kern/kern_exit.c:-1
syscall(ffff80002a3303f0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002a3303f0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:791
end trace frame: 0xffff80002a330470, 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(6aa73e53,35,0) at free+0x6b7 sys/kern/kern_malloc.c:426
ip_freemoptions(ffff800000c406e0) at ip_freemoptions+0xea sys/netinet/ip_output.c:1744
in_pcbdetach(fffff40078afc3d8) at in_pcbdetach+0xec sys/netinet/in_pcb.c:605
udp_detach(ffff8000015b5790) at udp_detach+0x5a sys/netinet/udp_usrreq.c:1158
soclose(ffff8000015b5790,0) at soclose+0xb0 pru_detach sys/sys/protosw.h:281 [inline]
soclose(ffff8000015b5790,0) at soclose+0xb0 sys/kern/uipc_socket.c:403
soo_close(fffff4006d0a04a0,ffff800045fec7e8) at soo_close+0x56 sys/kern/sys_socket.c:-1
fdrop(fffff4006d0a04a0,ffff800045fec7e8) at fdrop+0x121 sys/kern/kern_descrip.c:1281
closef(fffff4006d0a04a0,ffff800045fec7e8) at closef+0x192 sys/kern/kern_descrip.c:1265
fdfree(ffff800045fec7e8) at fdfree+0x116 sys/kern/kern_descrip.c:1196
exit1(ffff800045fec7e8,0,0,1) at exit1+0x595 sys/kern/kern_exit.c:215
sys_exit(ffff800045fec7e8,ffff80002a3303f0,ffff80002a330340) at sys_exit+0x1a sys/kern/kern_exit.c:-1
syscall(ffff80002a3303f0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002a3303f0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:791
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x76614cbaa0c0, count: -15