uvm_fault(0xfffff4807ec8a200, 0x0, 0, 1) -> e
kernel: page fault trap, code=0
Stopped at ip_freemoptions+0x63: movq 0xfffffffffffffff8(%rax,%r15,8),%rdi
TID PID UID PRFLAGS PFLAGS CPU COMMAND
124394 91891 32767 0x10 0x4000000 0 syz-executor
*352412 60563 32767 0x10 0x4000000 1 syz-executor
ip_freemoptions(ffff800000c43a40) at ip_freemoptions+0x63 sys/netinet/ip_output.c:1741
in_pcbdetach(fffff4806cddc7b8) at in_pcbdetach+0xec sys/netinet/in_pcb.c:605
udp_detach(ffff800010fdc8e8) at udp_detach+0x5a sys/netinet/udp_usrreq.c:1158
soclose(ffff800010fdc8e8,0) at soclose+0xb0 pru_detach sys/sys/protosw.h:281 [inline]
soclose(ffff800010fdc8e8,0) at soclose+0xb0 sys/kern/uipc_socket.c:403
soo_close(fffff48067905368,ffff800045fe3780) at soo_close+0x56 sys/kern/sys_socket.c:-1
fdrop(fffff48067905368,ffff800045fe3780) at fdrop+0x121 sys/kern/kern_descrip.c:1281
closef(fffff48067905368,ffff800045fe3780) at closef+0x192 sys/kern/kern_descrip.c:1265
sys_closefrom(ffff800045fe3780,ffff80002a32a350,ffff80002a32a2a0) at sys_closefrom+0x13c sys/kern/kern_descrip.c:1471
syscall(ffff80002a32a350) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002a32a350) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:791
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xf14663e8400, count: 5
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: uvm_fault(0xfffff4807ec8a200, 0x0, 0, 1) -> e
ddb{1}> show kasan
No such command
ddb{1}> trace
ip_freemoptions(ffff800000c43a40) at ip_freemoptions+0x63 sys/netinet/ip_output.c:1741
in_pcbdetach(fffff4806cddc7b8) at in_pcbdetach+0xec sys/netinet/in_pcb.c:605
udp_detach(ffff800010fdc8e8) at udp_detach+0x5a sys/netinet/udp_usrreq.c:1158
soclose(ffff800010fdc8e8,0) at soclose+0xb0 pru_detach sys/sys/protosw.h:281 [inline]
soclose(ffff800010fdc8e8,0) at soclose+0xb0 sys/kern/uipc_socket.c:403
soo_close(fffff48067905368,ffff800045fe3780) at soo_close+0x56 sys/kern/sys_socket.c:-1
fdrop(fffff48067905368,ffff800045fe3780) at fdrop+0x121 sys/kern/kern_descrip.c:1281
closef(fffff48067905368,ffff800045fe3780) at closef+0x192 sys/kern/kern_descrip.c:1265
sys_closefrom(ffff800045fe3780,ffff80002a32a350,ffff80002a32a2a0) at sys_closefrom+0x13c sys/kern/kern_descrip.c:1471
syscall(ffff80002a32a350) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002a32a350) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:791
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xf14663e8400, count: -10
ddb{1}> show registers
rdi 0
rsi 0x1
rbp 0xffff80002a32a050
rbx 0x1
rdx 0xffff8000015e1d40
rcx 0xffff800045fe3780
rax 0
r8 0xffffffff82364270 uvm_map_inentry_sp
r9 0
r10 0x825251bf278a1644
r11 0xaf1ce6e9183d33aa
r12 0
r13 0
r14 0xffff800000c43a40
r15 0x1
rip 0xffffffff81dc6123 ip_freemoptions+0x63
cs 0x8
rflags 0x10202 __ALIGN_SIZE+0xf202
rsp 0xffff80002a32a020
ss 0x10
ip_freemoptions+0x63: movq 0xfffffffffffffff8(%rax,%r15,8),%rdi
ddb{1}> show proc
PROC (syz-executor) tid=352412 pid=60563 tcnt=3 stat=onproc
flags process=10<SUGID> proc=4000000<THREAD>
runpri=32, usrpri=53, slppri=32, nice=20
wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0
forw=0xffffffffffffffff, list=0xffff800045fe2fb8,0xffff800045fe22d0
process=0xffff800045fe6bb8 user=0xffff80002a325000, vmspace=0xfffff4807ec8a200
estcpu=3, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0
ddb{1}> ps
PID TID PPID UID S PRLAGS PFLAGS WAIT COMMAND
91891 170103 47136 32767 2 0x10 0 syz-executor
91891 182077 47136 32767 2 0x10 0x4000000 syz-executor
91891 124394 47136 32767 7 0x10 0x4000000 syz-executor
20457 296583 45041 32767 2 0x10 0 syz-executor
20457 388118 45041 32767 3 0x10 0x4000080 kqsel syz-executor
34940 176742 20304 0 2 0x2 0 syz-executor
60563 506946 98512 32767 2 0x10 0 syz-executor
*60563 352412 98512 32767 7 0x10 0x4000000 syz-executor
60563 389560 98512 32767 3 0x10 0x4000080 fsleep syz-executor
74291 223858 68649 0 3 0x2 0 clonelk ifconfig
68649 269204 391 0 3 0x100002 0x88 sigsusp sh
391 188519 98169 0 3 0 0x80 wait syz-executor
98169 192562 20304 0 3 0x2 0x80 wait syz-executor
47136 396978 95994 32767 2 0x10 0xc80 syz-executor
99900 490802 7703 32767 2 0x10000010 0xc80 syz-executor
17293 18660 91404 32767 2 0x10 0 syz-executor
98512 481670 78035 32767 2 0x10 0xc80 syz-executor
45041 447212 18579 32767 2 0x10 0xc80 syz-executor
78035 217427 20304 0 3 0x2 0x80 wait syz-executor
18579 303904 20304 0 3 0x2 0x80 wait syz-executor
7703 332793 20304 0 3 0x2 0x80 wait syz-executor
91404 149827 20304 0 3 0x2 0x80 wait syz-executor
95994 183633 20304 0 3 0x2 0x80 wait syz-executor
86098 520353 20304 0 3 0x2 0x80 wait syz-executor
20304 43645 71009 0 3 0x2 0x80 kqread syz-executor
71009 162317 63405 0 3 0x100002 0x88 sigsusp ksh
63405 31804 86191 0 3 0x10 0x88 kqread sshd-session
86191 362746 32148 0 3 0x12 0x80 kqread sshd-session
83139 257764 1 0 3 0x100003 0x80 ttyin getty
32148 485477 1 0 3 0 0x88 kqread sshd
45016 57133 17371 73 3 0x1100010 0x80 kqread syslogd
17371 90519 1 0 3 0x100002 0x80 sbwait syslogd
57575 160270 1 0 3 0x100000 0x80 kqread resolvd
46845 448618 46033 77 3 0x100012 0x80 kqread dhcpleased
74755 331755 46033 77 3 0x100012 0x80 kqread dhcpleased
46033 407337 1 0 3 0 0x80 kqread dhcpleased
94998 268850 0 0 2 0x14000 0x40000200 smr
96349 488605 0 0 2 0x14000 0x200 zerothread
23951 502860 0 0 3 0x14000 0x200 aiodoned aiodoned
22807 55010 0 0 3 0x14000 0x200 syncer update
73341 415776 0 0 3 0x14000 0x200 cleaner cleaner
58682 227846 0 0 3 0x14000 0x200 reaper reaper
11114 413748 0 0 3 0x14000 0x200 pgdaemon pagedaemon
89789 165528 0 0 3 0x14000 0x200 bored viomb
25436 149017 0 0 3 0x14000 0x40000200 acpi0 acpi0
69192 358179 0 0 3 0x14000 0x40000200 idle1
94523 236722 0 0 3 0x14000 0x200 bored softnet1
2918 487626 0 0 2 0x14000 0x200 softnet0
78320 16886 0 0 3 0x14000 0x200 smrbar systqmp
13467 266911 0 0 3 0x14000 0x200 bored systq
56751 257000 0 0 3 0x14000 0x200 tmoslp softclockmp
99347 314821 0 0 3 0x14000 0x40000200 tmoslp softclock
80507 310200 0 0 3 0x14000 0x40000200 idle0
1 19657 0 0 3 0x2 0x80 wait init
0 0 -1 0 3 0x10000 0x200 scheduler swapper
ddb{1}> show all locks
Process 91891 (syz-executor) thread 0xffff800045fe94e0 (124394)
shared rwlock vmmaplk r = 0 (0xfffff4807ec8a6d0)
#0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1 rw_do_enter_read+0x3e8 sys/kern/kern_rwlock.c:413
#2 uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1880
#3 uvm_fault_check+0x4f sys/uvm/uvm_fault.c:693
#4 uvm_fault+0x106 sys/uvm/uvm_fault.c:627
#5 kpageflttrap+0x2f4 sys/arch/amd64/amd64/trap.c:285
#6 kerntrap+0x19d sys/arch/amd64/amd64/trap.c:532
#7 alltraps_kern_meltdown+0x7b
#8 copyout+0x64
#9 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#9 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:791
#10 Xsyscall+0x128
Process 60563 (syz-executor) thread 0xffff800045fe3780 (352412)
exclusive rwlock inet46 r = 0 (0xffff800010fdc908)
#0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320
#2 soclose+0x3c sys/kern/uipc_socket.c:378
#3 soo_close+0x56 sys/kern/sys_socket.c:-1
#4 fdrop+0x121 sys/kern/kern_descrip.c:1281
#5 closef+0x192 sys/kern/kern_descrip.c:1265
#6 sys_closefrom+0x13c sys/kern/kern_descrip.c:1471
#7 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#7 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:791
#8 Xsyscall+0x128
shared rwlock netlock r = 0 (0xffffffff839a5fb0)
#0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1 rw_do_enter_read+0x3e8 sys/kern/kern_rwlock.c:413
#2 solock_shared+0x6e sys/kern/uipc_socket2.c:343
#3 soclose+0x3c sys/kern/uipc_socket.c:378
#4 soo_close+0x56 sys/kern/sys_socket.c:-1
#5 fdrop+0x121 sys/kern/kern_descrip.c:1281
#6 closef+0x192 sys/kern/kern_descrip.c:1265
#7 sys_closefrom+0x13c sys/kern/kern_descrip.c:1471
#8 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#8 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:791
#9 Xsyscall+0x128
Process 78320 (systqmp) thread 0xffff800045ffe7c8 (16886)
shared rwlock systqmp r = 0 (0xffffffff8392b898)
#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 11040 12013K 12034K 166960K 12137 0
pcb 17 12K 12K 166960K 17 0
rtable 193 5K 7K 166960K 347 0
pf 27 16K 16K 166960K 31 0
ifaddr 34 6K 7K 166960K 44 0
ifgroup 42 1K 2K 166960K 50 0
sysctl 1 1K 9K 166960K 5 0
counters 66 36K 37K 166960K 70 0
ioctlops 0 0K 2K 166960K 30 0
iov 0 0K 0K 166960K 2 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1287 81K 81K 166960K 1373 0
UFS quota 1 32K 32K 166960K 1 0
UFS mount 5 36K 36K 166960K 5 0
shm 2 1K 9K 166960K 4 0
VM map 2 1K 1K 166960K 2 0
sem 3 0K 0K 166960K 3 0
dirhash 12 2K 2K 166960K 12 0
ACPI 1734 201K 291K 166960K 11964 0
file desc 22 81K 125K 166960K 174 0
sigio 0 0K 0K 166960K 1 0
proc 65 115K 147K 166960K 509 0
subproc 72 4K 4K 166960K 90 0
NFS srvsock 1 0K 0K 166960K 1 0
NFS daemon 1 16K 16K 166960K 1 0
ip_moptions 2 0K 0K 166960K 8 0
in_multi 78 5K 6K 166960K 100 0
ether_multi 1 0K 0K 166960K 1 0
mrt 1 0K 0K 166960K 3 0
ISOFS mount 1 32K 32K 166960K 1 0
MSDOSFS mount 1 16K 16K 166960K 1 0
ttys 37 175K 175K 166960K 37 0
exec 0 0K 1K 166960K 364 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 226 176K 201K 166960K 3160 0
UVM aobj 5 2K 2K 166960K 5 0
pinsyscall 43 86K 112K 166960K 1261 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
ip6_options 0 0K 0K 166960K 1 0
NDP 21 1K 2K 166960K 27 0
temp 35 9118K 9138K 166960K 3434 0
kqueue 13 20K 27K 166960K 32 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 33 0 30 1 0 1 1 0 8 0
rtentry 176 111 0 23 5 0 5 5 0 8 0
unpcb 144 59 0 44 1 0 1 1 0 8 0
syncache 336 6 0 6 1 0 1 1 0 8 1
tcpqe 32 1 0 1 1 0 1 1 0 8 1
tcpcb 736 23 0 16 1 0 1 1 0 8 0
arp 136 18 0 4 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 92 0 78 2 0 2 2 0 8 0
nd6 152 24 0 6 1 0 1 1 0 8 0
kcovpl 48 10 0 2 1 0 1 1 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 452 0 44 29 0 29 29 0 8 2
art_table 40 453 0 44 5 0 5 5 0 8 0
art_node 32 111 0 12 1 0 1 1 0 8 0
semapl 72 1 0 0 1 0 1 1 0 8 0
shmpl 120 2 0 0 1 0 1 1 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 1582 0 120 92 0 92 92 0 8 0
ffsino 296 1582 0 120 113 0 113 113 0 8 0
nchpl 144 1805 0 114 63 0 63 63 0 8 0
vnodes 216 1681 0 0 94 0 94 94 0 8 0
namei 1024 6063 0 6063 4 1 3 3 0 8 3
percpumem 16 51 0 2 1 0 1 1 0 8 0
kstatmem 264 25 0 4 2 0 2 2 0 8 0
scxspl 216 6346 0 6346 4 2 2 3 1 8 2
plimitpl 152 41 0 17 1 0 1 1 0 8 0
sigapl 424 462 0 411 7 0 7 7 0 8 0
knotepl 120 62 0 0 2 0 2 2 0 8 0
kqueuepl 224 31 0 20 1 0 1 1 0 8 0
pipepl 344 128 0 101 3 0 3 3 0 8 0
fdescpl 528 446 0 412 4 0 4 4 0 8 0
filepl 160 1627 0 1421 10 0 10 10 0 8 0
lockfpl 104 10 0 8 1 0 1 1 0 8 0
lockfspl 48 6 0 4 1 0 1 1 0 8 0
sessionpl 144 26 0 11 1 0 1 1 0 8 0
pgrppl 48 36 0 13 1 0 1 1 0 8 0
ucredpl 104 134 0 117 1 0 1 1 0 8 0
zombiepl 144 413 0 411 1 0 1 1 0 8 0
processpl 1240 462 0 411 5 0 5 5 0 8 0
procpl 664 507 0 451 6 0 6 6 0 8 0
sockpl 752 185 0 153 5 0 5 5 0 8 1
mcl64k 65536 1 0 0 1 0 1 1 0 8 0
mcl16k 16384 1 0 0 1 0 1 1 0 8 0
mcl8k 8192 2 0 0 1 0 1 1 0 8 0
mcl4k 4096 124 0 0 16 0 16 16 0 8 0
mcl2k 2048 17 0 0 3 0 3 3 0 8 0
mextrefs 64 16 0 0 1 0 1 1 0 8 0
mtagpl 96 2 0 0 1 0 1 1 0 8 0
mbufpl 256 145 0 0 10 0 10 10 0 8 0
bufpl 272 2319 0 102 148 0 148 148 0 8 0
anonpl 32 3841 0 0 31 0 31 31 0 247 0
amapchunkpl 152 8929 0 8455 23 0 23 23 0 158 2
amappl16 200 1955 0 1941 5 0 5 5 0 8 3
amappl15 192 4 0 4 1 0 1 1 0 8 1
amappl14 184 413 0 411 1 0 1 1 0 8 0
amappl13 176 119 0 109 1 0 1 1 0 8 0
amappl12 168 685 0 653 2 0 2 2 0 8 0
amappl11 160 16 0 16 2 1 1 1 0 8 1
amappl10 152 59 0 49 1 0 1 1 0 8 0
amappl9 144 274 0 274 1 0 1 1 0 8 1
amappl8 136 91 0 89 1 0 1 1 0 8 0
amappl7 128 139 0 128 1 0 1 1 0 8 0
amappl6 120 174 0 171 1 0 1 1 0 8 0
amappl5 112 96 0 88 1 0 1 1 0 8 0
amappl4 104 274 0 259 1 0 1 1 0 8 0
amappl3 96 1485 0 1398 4 1 3 3 0 8 0
amappl2 88 567 0 496 2 0 2 2 0 8 0
amappl1 80 10758 0 10200 16 0 16 16 0 8 1
amappl 88 2469 0 2309 5 0 5 5 0 92 0
uvmvnodes 80 98 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 4 0 0 1 0 1 1 0 8 0
uaddrrnd 24 446 0 412 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 446 0 412 1 0 1 1 0 8 0
vmmpekpl 168 5645 0 5601 3 0 3 3 0 8 0
vmmpepl 168 38947 0 37102 100 0 100 100 0 357 12
vmsppl 488 445 0 412 7 1 6 6 0 8 0
rwobjpl 80 14907 0 13980 24 0 24 24 0 8 1
pdppl 4096 899 0 824 107 10 97 97 0 8 22
pvpl 32 10808 0 0 88 0 88 88 0 265 0
pmappl 256 445 0 412 4 1 3 3 0 8 0
extentpl 40 46 0 28 1 0 1 1 0 8 0
phpool 112 425 0 14 12 0 12 12 0 8 0
ddb{1}> machine ddbcpu 0
Stopped at x86_ipi_db+0x27: addq $0x8,%rsp
x86_ipi_db(ffffffff83959ff0) 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
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x68
copyout() at copyout+0x64
syscall(ffff80002a2b0ea0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002a2b0ea0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:791
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xa9748680340, count: 8
ddb{0}> trace
x86_ipi_db(ffffffff83959ff0) 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
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x68
copyout() at copyout+0x64
syscall(ffff80002a2b0ea0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002a2b0ea0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:791
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xa9748680340, count: -7
ddb{0}> machine ddbcpu 1
Stopped at ip_freemoptions+0x63: movq 0xfffffffffffffff8(%rax,%r15,8),%rdi
ip_freemoptions(ffff800000c43a40) at ip_freemoptions+0x63 sys/netinet/ip_output.c:1741
in_pcbdetach(fffff4806cddc7b8) at in_pcbdetach+0xec sys/netinet/in_pcb.c:605
udp_detach(ffff800010fdc8e8) at udp_detach+0x5a sys/netinet/udp_usrreq.c:1158
soclose(ffff800010fdc8e8,0) at soclose+0xb0 pru_detach sys/sys/protosw.h:281 [inline]
soclose(ffff800010fdc8e8,0) at soclose+0xb0 sys/kern/uipc_socket.c:403
soo_close(fffff48067905368,ffff800045fe3780) at soo_close+0x56 sys/kern/sys_socket.c:-1
fdrop(fffff48067905368,ffff800045fe3780) at fdrop+0x121 sys/kern/kern_descrip.c:1281
closef(fffff48067905368,ffff800045fe3780) at closef+0x192 sys/kern/kern_descrip.c:1265
sys_closefrom(ffff800045fe3780,ffff80002a32a350,ffff80002a32a2a0) at sys_closefrom+0x13c sys/kern/kern_descrip.c:1471
syscall(ffff80002a32a350) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002a32a350) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:791
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xf14663e8400, count: 5
ddb{1}> trace
ip_freemoptions(ffff800000c43a40) at ip_freemoptions+0x63 sys/netinet/ip_output.c:1741
in_pcbdetach(fffff4806cddc7b8) at in_pcbdetach+0xec sys/netinet/in_pcb.c:605
udp_detach(ffff800010fdc8e8) at udp_detach+0x5a sys/netinet/udp_usrreq.c:1158
soclose(ffff800010fdc8e8,0) at soclose+0xb0 pru_detach sys/sys/protosw.h:281 [inline]
soclose(ffff800010fdc8e8,0) at soclose+0xb0 sys/kern/uipc_socket.c:403
soo_close(fffff48067905368,ffff800045fe3780) at soo_close+0x56 sys/kern/sys_socket.c:-1
fdrop(fffff48067905368,ffff800045fe3780) at fdrop+0x121 sys/kern/kern_descrip.c:1281
closef(fffff48067905368,ffff800045fe3780) at closef+0x192 sys/kern/kern_descrip.c:1265
sys_closefrom(ffff800045fe3780,ffff80002a32a350,ffff80002a32a2a0) at sys_closefrom+0x13c sys/kern/kern_descrip.c:1471
syscall(ffff80002a32a350) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002a32a350) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:791
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xf14663e8400, count: -10