kernel: protection fault trap, code=0
Stopped at icmp_mtudisc_timeout+0x117: movq 0(%rax),%rcx
ddb{0}>
ddb{0}> set $lines = 0
ddb{0}> set $maxwidth = 0
ddb{0}> show panic
the kernel did not panic
ddb{0}> trace
icmp_mtudisc_timeout(fffffd806f08f6e0,0) at icmp_mtudisc_timeout+0x117 sys/netinet/ip_icmp.c:1102
rt_timer_queue_flush(ffffffff838dc750) at rt_timer_queue_flush+0x281 sys/net/route.c:1586
ip_sysctl(ffff80002ac3432c,1,0,ffff80002ac34358,200000001300,4) at ip_sysctl+0xa6c sys/netinet/ip_input.c:1755
net_sysctl(ffff80002ac34324,3,0,ffff80002ac34358,200000001300,4,263d4b78cf1114cf) at net_sysctl+0x64e sys/kern/uipc_domain.c:260
sys_sysctl(ffff80003c4bed20,ffff80002ac34490,ffff80002ac343e0) at sys_sysctl+0x3f2 sys/kern/kern_sysctl.c:-1
syscall(ffff80002ac34490) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002ac34490) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:748
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xd0f93b1bc50, count: -7
ddb{0}> show registers
rdi 0x14
rsi 0x14
rbp 0xffff80002ac34160
rbx 0x3
rdx 0xffff80000147a940
rcx 0xffff80003c4bed20
rax 0x25818e78bdad8caf
r8 0xffffffff82b00300 tcp_mtudisc_increase
r9 0x3
r10 0x8df5cd4f763923b5
r11 0x7e3104e58ddb2676
r12 0xffff800000039058
r13 0x14
r14 0
r15 0xfffffd806f08f6e0
rip 0xffffffff8164a657 icmp_mtudisc_timeout+0x117
cs 0x8
rflags 0x10246 __ALIGN_SIZE+0xf246
rsp 0xffff80002ac34110
ss 0x10
icmp_mtudisc_timeout+0x117: movq 0(%rax),%rcx
ddb{0}> show proc
PROC (syz-executor) tid=459944 pid=82852 tcnt=2 stat=onproc
flags process=0 proc=4000000<THREAD>
runpri=50, usrpri=50, slppri=17, nice=20
wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0
forw=0xffffffffffffffff, list=0xffff80003c4bf760,0xffffffff838cbfc8
process=0xffff80003c421d40 user=0xffff80002ac2f000, vmspace=0xfffffd806682c988
estcpu=36, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0
ddb{0}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
43473 301567 22972 0 2 0 syz-executor
82852 83835 92144 0 7 0 syz-executor
*82852 459944 92144 0 7 0x4000000 syz-executor
15416 72253 96917 0 3 0x80 nanoslp syz-executor
15416 98972 96917 0 3 0x4000080 netcon syz-executor
15416 482525 96917 0 3 0x4000080 fsleep syz-executor
99945 286170 86294 0 3 0x80 nanoslp syz-executor
99945 372192 86294 0 3 0x4000080 sbwait syz-executor
99945 461998 86294 0 3 0x4000080 fsleep syz-executor
1565 268589 73705 0 3 0x80 nanoslp syz-executor
1565 203185 73705 0 3 0x4000080 tunread syz-executor
1565 48122 73705 0 3 0x4000080 fsleep syz-executor
1565 296131 73705 0 3 0x4000000 inode syz-executor
25453 26416 59597 0 3 0x3000 suspend syz-executor
25453 29813 59597 0 2 0x4081000 syz-executor
25453 457105 59597 0 3 0x4081000 inode syz-executor
69226 453508 42294 0 3 0x82 sbwait sshd-session
15681 5055 42294 0 3 0x82 sbwait sshd-session
91389 242328 42294 0 3 0x82 sbwait sshd-session
46958 489807 42294 0 3 0x82 sbwait sshd-session
3191 342041 42294 0 3 0x82 sbwait sshd-session
20422 307613 42294 0 3 0x82 sbwait sshd-session
50860 378613 42294 0 3 0x82 sbwait sshd-session
96917 467012 88768 0 3 0x82 nanoslp syz-executor
55831 466781 88768 0 3 0x82 nanoslp syz-executor
13682 413606 42294 0 3 0x82 sbwait sshd-session
82055 301746 42294 0 3 0x82 sbwait sshd-session
87913 484680 0 0 3 0x14200 bored sosplice
3773 60846 0 0 3 0x14280 nfsidl nfsio
23220 270802 0 0 3 0x14280 nfsidl nfsio
18578 30123 0 0 3 0x14280 nfsidl nfsio
2600 399944 0 0 3 0x14280 nfsidl nfsio
29470 344198 0 0 3 0x14280 nfsidl nfsio
59581 422353 0 0 3 0x14280 nfsidl nfsio
81287 1238 0 0 3 0x14280 nfsidl nfsio
85650 352935 0 0 3 0x14280 nfsidl nfsio
40113 394688 0 0 3 0x14280 nfsidl nfsio
29466 458070 0 0 3 0x14280 nfsidl nfsio
72185 275630 0 0 3 0x14280 nfsidl nfsio
78227 341358 0 0 3 0x14280 nfsidl nfsio
83881 230138 0 0 3 0x14280 nfsidl nfsio
27751 236104 0 0 3 0x14280 nfsidl nfsio
84671 441297 0 0 3 0x14280 nfsidl nfsio
82433 488522 0 0 3 0x14280 nfsidl nfsio
66864 381399 0 0 3 0x14280 nfsidl nfsio
43331 511670 0 0 3 0x14280 nfsidl nfsio
51353 186339 0 0 3 0x14280 nfsidl nfsio
20036 35515 0 0 3 0x14280 nfsidl nfsio
86294 93990 88768 0 3 0x82 nanoslp syz-executor
37139 509409 88768 0 3 0x82 nanoslp syz-executor
92144 167904 88768 0 3 0x82 nanoslp syz-executor
59597 391137 88768 0 3 0x82 nanoslp syz-executor
22972 414429 88768 0 3 0x82 nanoslp syz-executor
73705 331951 88768 0 3 0x82 nanoslp syz-executor
88768 476589 42775 0 3 0x82 kqread syz-executor
42775 273303 87020 0 3 0x10008a sigsusp ksh
87020 207275 87573 0 3 0x98 kqread sshd-session
87573 487972 42294 0 3 0x92 kqread sshd-session
78348 454028 1 0 3 0x100083 ttyin getty
42294 44469 1 0 3 0x88 kqread sshd
60136 250239 56211 74 3 0x1100092 bpf pflogd
56211 194490 1 0 3 0x80 sbwait pflogd
88312 121134 66192 73 3 0x1100090 kqread syslogd
66192 111095 1 0 3 0x100082 sbwait syslogd
18509 197250 1 0 3 0x100080 kqread resolvd
19348 447188 24586 77 3 0x100092 kqread dhcpleased
83893 340295 24586 77 3 0x100092 kqread dhcpleased
24586 419833 1 0 3 0x80 kqread dhcpleased
44713 228572 0 0 3 0x14200 bored smr
12678 290927 0 0 3 0x14200 pgzero zerothread
15655 508113 0 0 3 0x14200 aiodoned aiodoned
75808 393162 0 0 3 0x14200 syncer update
97555 360788 0 0 3 0x14200 cleaner cleaner
71414 445008 0 0 3 0x14200 reaper reaper
48894 308352 0 0 3 0x14200 pgdaemon pagedaemon
9176 327184 0 0 3 0x14200 bored viomb
30729 275188 0 0 3 0x40014200 acpi0 acpi0
36596 62913 0 0 3 0x40014200 idle1
66608 268679 0 0 3 0x14200 bored softnet3
59617 148595 0 0 3 0x14200 bored softnet2
43796 490961 0 0 3 0x14200 bored softnet1
1263 334469 0 0 3 0x14200 bored softnet0
35603 228468 0 0 3 0x14200 bored systqmp
38219 60364 0 0 3 0x14200 bored systq
78429 250909 0 0 3 0x14200 tmoslp softclockmp
35978 283760 0 0 3 0x40014200 tmoslp softclock
43363 465750 0 0 3 0x40014200 idle0
1 20942 0 0 3 0x82 wait init
0 0 -1 0 3 0x10010200 scheduler swapper
ddb{0}> show all locks
Process 82852 (syz-executor) thread 0xffff80003c4bed20 (459944)
exclusive rwlock netlock r = 0 (0xffffffff837df220)
#0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5bb sys/kern/subr_witness.c:1160
#1 rw_do_enter_write+0x377 sys/kern/kern_rwlock.c:310
#2 ip_sysctl+0xa57 sys/netinet/ip_input.c:1755
#3 net_sysctl+0x64e sys/kern/uipc_domain.c:260
#4 sys_sysctl+0x3f2 sys/kern/kern_sysctl.c:-1
#5 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#5 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:748
#6 Xsyscall+0x128
exclusive kernel_lock &kernel_lock r = 0 (0xffffffff839d9d68)
#0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5bb sys/kern/subr_witness.c:1160
#1 sysctl_vslock+0x80 sys/kern/kern_sysctl.c:196
#2 net_sysctl+0x5c2 sys/kern/uipc_domain.c:257
#3 sys_sysctl+0x3f2 sys/kern/kern_sysctl.c:-1
#4 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#4 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:748
#5 Xsyscall+0x128
exclusive rwlock sysctllk r = 0 (0xffffffff8386e828)
#0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5bb sys/kern/subr_witness.c:1160
#1 rw_do_enter_write+0x377 sys/kern/kern_rwlock.c:310
#2 sysctl_vslock+0x45 sys/kern/kern_sysctl.c:191
#3 net_sysctl+0x5c2 sys/kern/uipc_domain.c:257
#4 sys_sysctl+0x3f2 sys/kern/kern_sysctl.c:-1
#5 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#5 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:748
#6 Xsyscall+0x128
Process 1565 (syz-executor) thread 0xffff80003c4c4a80 (203185)
exclusive rrwlock inode r = 0 (0xfffffd806e2051d8)
#0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5bb sys/kern/subr_witness.c:1160
#1 rw_do_enter_write+0x377 sys/kern/kern_rwlock.c:310
#2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:605
#3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:527
#4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570
#5 spec_open+0x305 sys/kern/spec_vnops.c:151
#6 VOP_OPEN+0x8b sys/kern/vfs_vops.c:138
#7 vn_open+0x708 sys/kern/vfs_vnops.c:177
#8 vndioctl+0xcb1 sys/dev/vnd.c:457
#9 VOP_IOCTL+0xac sys/kern/vfs_vops.c:264
#10 vn_ioctl+0xf8 sys/kern/vfs_vnops.c:531
#11 sys_ioctl+0x5c3 sys/kern/sys_generic.c:-1
#12 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#12 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:748
#13 Xsyscall+0x128
Process 1565 (syz-executor) thread 0xffff80002a2a6020 (296131)
exclusive rrwlock inode r = 0 (0xfffffd806c37df80)
#0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5bb sys/kern/subr_witness.c:1160
#1 rw_do_enter_write+0x377 sys/kern/kern_rwlock.c:310
#2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:605
#3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:527
#4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570
#5 vfs_lookup+0x109 sys/kern/vfs_lookup.c:418
#6 namei+0x7aa sys/kern/vfs_lookup.c:250
#7 dosymlinkat+0xee sys/kern/vfs_syscalls.c:1804
#8 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#8 syscall+0xb08 sys/arch/amd64/amd64/trap.c:748
#9 Xsyscall+0x128
Process 25453 (syz-executor) thread 0xffff80003c4c54c0 (29813)
exclusive rrwlock inode r = 0 (0xfffffd806e06e788)
#0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5bb sys/kern/subr_witness.c:1160
#1 rw_do_enter_write+0x377 sys/kern/kern_rwlock.c:310
#2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:605
#3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:527
#4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570
#5 vn_write+0x190 sys/kern/vfs_vnops.c:405
#6 dofilewritev+0x23c sys/kern/sys_generic.c:380
#7 sys_write+0xa2 sys/kern/sys_generic.c:300
#8 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#8 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:748
#9 Xsyscall+0x128
Process 25453 (syz-executor) thread 0xffff8000ffff1218 (457105)
exclusive rwlock uvnsync r = 0 (0xffffffff839dbbe0)
#0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5bb sys/kern/subr_witness.c:1160
#1 rw_do_enter_write+0x377 sys/kern/kern_rwlock.c:310
#2 uvm_vnp_sync+0x31 sys/uvm/uvm_vnode.c:1488
#3 sys_sync+0xda sys/kern/vfs_syscalls.c:534
#4 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#4 syscall+0xb08 sys/arch/amd64/amd64/trap.c:748
#5 Xsyscall+0x128
shared rwlock vfslock r = 0 (0xffff800000b49860)
#0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5bb sys/kern/subr_witness.c:1160
#1 rw_do_enter_read+0x36e sys/kern/kern_rwlock.c:397
#2 vfs_busy+0x94 sys/kern/vfs_subr.c:246
#3 sys_sync+0x5d sys/kern/vfs_syscalls.c:528
#4 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#4 syscall+0xb08 sys/arch/amd64/amd64/trap.c:748
#5 Xsyscall+0x128
ddb{0}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 10235 11054K 11632K 166960K 13181 0
pcb 17 17K 18K 166960K 293 0
rtable 257 12K 12K 166960K 632 0
pf 41 18K 22K 166960K 149 0
ifaddr 45 8K 8K 166960K 105 0
ifgroup 63 2K 2K 166960K 161 0
sysctl 4 1K 9K 166960K 22 0
counters 72 37K 37K 166960K 178 0
ioctlops 0 0K 4K 166960K 1656 0
iov 0 0K 16K 166960K 54 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1404 88K 89K 166960K 2217 0
UFS quota 1 32K 32K 166960K 1 0
UFS mount 5 36K 36K 166960K 5 0
shm 2 1K 9K 166960K 22 0
VM map 2 1K 1K 166960K 2 0
sem 12 0K 0K 166960K 100 0
dirhash 15 2K 3K 166960K 39 0
ACPI 1692 195K 286K 166960K 12470 0
file desc 18 65K 240K 166960K 1260 0
sigio 0 0K 0K 166960K 18 0
proc 72 91K 128K 166960K 732 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 1 0K 0K 166960K 305 0
in_multi 95 7K 7K 166960K 185 0
ether_multi 1 0K 0K 166960K 7 0
mrt 1 0K 0K 166960K 8 0
ISOFS mount 1 32K 32K 166960K 1 0
MSDOSFS mount 1 16K 16K 166960K 1 0
ttys 229 1023K 1023K 166960K 229 0
exec 0 0K 1K 166960K 676 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 331 228K 242K 166960K 13040 0
UVM aobj 59 2K 2K 166960K 62 0
pinsyscall 61 122K 122K 166960K 2470 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
ip6_options 0 0K 0K 166960K 50 0
NDP 14 0K 2K 166960K 74 0
temp 61 8680K 8748K 166960K 52520 0
kqueue 13 20K 28K 166960K 215 0
SYN cache 2 16K 16K 166960K 2 0
ddb{0}> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
plcache 128 26 0 0 1 0 1 1 0 8 0
rtpcb 120 177 0 174 3 2 1 3 0 8 0
rtentry 176 190 0 87 6 0 6 6 0 8 0
unpcb 144 675 0 638 4 2 2 4 0 8 0
syncache 336 13 0 13 2 2 0 1 0 8 0
tcpqe 32 1 0 1 1 1 0 1 0 8 0
tcpcb 736 385 0 367 13 11 2 8 0 8 0
arp 128 27 0 7 1 0 1 1 0 8 0
inpcb 328 1347 0 1322 20 14 6 12 0 8 3
nd6 144 42 0 16 1 0 1 1 0 8 0
pkpcb 40 12 0 12 3 2 1 1 0 8 1
kcovpl 48 11 0 3 1 0 1 1 0 8 0
mppekey 1024 1 0 1 1 1 0 1 0 8 0
ppxss 1192 43 0 43 2 1 1 1 0 8 1
pppxif 1504 3 0 3 2 2 0 1 0 8 0
pffrag 232 12 0 5 1 0 1 1 0 482 0
pffrnode 88 11 0 4 1 0 1 1 0 8 0
pffrent 40 18 0 11 1 0 1 1 0 8 0
pfosfp 40 1428 0 1005 5 0 5 5 0 8 0
pfosfpen 112 1428 0 714 21 0 21 21 0 8 0
pfrktable 1344 1 0 0 1 0 1 1 0 8 0
pfanchor 1288 1 0 1 1 1 0 1 0 8 0
pftag 88 5 0 0 1 0 1 1 0 8 0
pfstitem 24 122 0 32 1 0 1 1 0 8 0
pfstkey 128 124 0 34 3 0 3 3 0 8 0
pfstate 384 124 0 34 9 0 9 9 0 8 0
pfrule 1344 30 0 22 2 1 1 2 0 8 0
rttmr 136 11 0 7 2 1 1 1 0 8 0
art_heap8 4096 4 0 1 4 1 3 3 0 8 0
art_heap4 256 909 0 463 34 5 29 32 0 8 0
art_table 40 913 0 464 7 1 6 6 0 8 0
art_node 32 189 0 97 1 0 1 1 0 8 0
sysvmsgpl 40 41 0 7 2 1 1 1 0 8 0
semupl 112 2 0 2 1 1 0 1 0 8 0
semapl 112 97 0 87 1 0 1 1 0 8 0
shmpl 112 59 0 3 2 0 2 2 0 8 0
dirhash 1024 36 0 17 3 0 3 3 0 8 0
dino2pl 256 3576 0 2058 96 0 96 96 0 8 0
ffsino 288 3576 0 2058 109 0 109 109 0 8 0
nchpl 144 5241 0 3545 64 0 64 64 0 8 0
rtmask 32 11 0 11 3 3 0 1 0 8 0
uvmvnodes 80 4105 0 0 84 0 84 84 0 8 0
vnodes 216 4105 0 0 229 0 229 229 0 8 0
namei 1024 17611 0 17609 5 3 2 2 0 8 1
percpumem 16 104 0 53 1 0 1 1 0 8 0
kstatmem 264 100 0 70 4 2 2 3 0 8 0
scsiplug 72 2 0 2 2 2 0 1 0 8 0
scxspl 216 31809 0 31809 13 10 3 8 1 8 3
plimitpl 152 225 0 206 1 0 1 1 0 8 0
sigapl 424 1568 0 1488 11 1 10 10 0 8 0
knotepl 120 797 0 0 24 0 24 24 0 8 0
kqueuepl 224 346 0 337 2 1 1 2 0 8 0
pipepl 336 205 0 178 3 0 3 3 0 8 0
fdescpl 520 1527 0 1486 3 0 3 3 0 8 0
filepl 160 8592 0 8324 19 4 15 15 0 8 1
lockfpl 104 500 0 496 1 0 1 1 0 8 0
lockfspl 48 223 0 219 1 0 1 1 0 8 0
sessionpl 144 35 0 17 1 0 1 1 0 8 0
pgrppl 48 61 0 35 1 0 1 1 0 8 0
ucredpl 104 1313 0 1298 1 0 1 1 0 8 0
zombiepl 144 1491 0 1488 1 0 1 1 0 8 0
processpl 1240 1568 0 1488 7 0 7 7 0 8 0
procpl 656 3485 0 3395 11 2 9 9 0 8 0
sosppl 168 6 0 6 4 3 1 1 0 8 1
sockpl 728 2236 0 2171 25 15 10 16 0 8 3
mcl64k 65536 8 0 0 1 0 1 1 0 8 0
mcl16k 16384 5 0 0 1 0 1 1 0 8 0
mcl12k 12288 2 0 0 1 0 1 1 0 8 0
mcl9k 9216 3 0 0 1 0 1 1 0 8 0
mcl8k 8192 5 0 0 1 0 1 1 0 8 0
mcl4k 4096 124 0 0 16 0 16 16 0 8 0
mcl2k2 2112 1 0 0 1 0 1 1 0 8 0
mcl2k 2048 35 0 0 4 0 4 4 0 8 0
mtagpl 96 15 0 0 1 0 1 1 0 8 0
mbufpl 256 386 0 0 24 0 24 24 0 8 0
bufpl 280 12575 0 6433 441 1 440 440 0 8 1
anonpl 32 15574 0 0 127 1 126 126 0 246 0
amapchunkpl 152 42952 0 42361 42 14 28 36 0 158 0
amappl16 200 5193 0 4965 64 41 23 28 0 8 6
amappl15 192 7 0 7 1 1 0 1 0 8 0
amappl14 184 140 0 119 2 0 2 2 0 8 0
amappl13 176 7 0 6 1 0 1 1 0 8 0
amappl12 168 2236 0 2196 3 1 2 2 0 8 0
amappl11 160 85 0 71 1 0 1 1 0 8 0
amappl10 152 4 0 4 1 1 0 1 0 8 0
amappl9 144 251 0 250 2 1 1 1 0 8 0
amappl8 136 24 0 21 1 0 1 1 0 8 0
amappl7 128 124 0 102 1 0 1 1 0 8 0
amappl6 120 232 0 220 1 0 1 1 0 8 0
amappl5 112 150 0 140 1 0 1 1 0 8 0
amappl4 104 373 0 351 1 0 1 1 0 8 0
amappl3 96 8672 0 8535 5 1 4 4 0 8 0
amappl2 88 770 0 654 3 0 3 3 0 8 0
amappl1 80 15860 0 14463 29 0 29 29 0 8 0
amappl 88 12034 0 11832 7 1 6 6 0 92 0
dma8192 8192 2 0 2 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 6 0 6 1 1 0 1 0 8 0
dma128 128 255 0 255 3 3 0 1 0 8 0
dma64 64 10 0 10 3 3 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 61 0 3 2 0 2 2 0 8 0
uaddrrnd 24 1527 0 1486 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 1527 0 1486 1 0 1 1 0 8 0
vmmpekpl 168 14423 0 14366 3 0 3 3 0 8 0
vmmpepl 168 104516 0 100995 186 23 163 169 0 357 5
vmsppl 480 1526 0 1486 6 0 6 6 0 8 0
rwobjpl 72 33928 0 27694 117 0 117 117 0 8 1
pdppl 4096 3061 0 2972 127 38 89 89 0 8 0
pvpl 32 29812 0 0 242 1 241 241 0 265 0
pmappl 256 1526 0 1486 3 0 3 3 0 8 0
extentpl 40 45 0 27 1 0 1 1 0 8 0
phpool 112 452 0 65 12 0 12 12 0 8 0
ddb{0}> machine ddbcpu 0
Invalid cpu 0
ddb{0}> trace
icmp_mtudisc_timeout(fffffd806f08f6e0,0) at icmp_mtudisc_timeout+0x117 sys/netinet/ip_icmp.c:1102
rt_timer_queue_flush(ffffffff838dc750) at rt_timer_queue_flush+0x281 sys/net/route.c:1586
ip_sysctl(ffff80002ac3432c,1,0,ffff80002ac34358,200000001300,4) at ip_sysctl+0xa6c sys/netinet/ip_input.c:1755
net_sysctl(ffff80002ac34324,3,0,ffff80002ac34358,200000001300,4,263d4b78cf1114cf) at net_sysctl+0x64e sys/kern/uipc_domain.c:260
sys_sysctl(ffff80003c4bed20,ffff80002ac34490,ffff80002ac343e0) at sys_sysctl+0x3f2 sys/kern/kern_sysctl.c:-1
syscall(ffff80002ac34490) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002ac34490) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:748
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xd0f93b1bc50, count: -7
ddb{0}> machine ddbcpu 1
Stopped at x86_ipi_db+0x27: addq $0x8,%rsp
ddb{1}> trace
x86_ipi_db(ffff8000299ddff0) 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
pvclock_get(ffffffff838bed10) at pvclock_get+0x69 sys/dev/pv/pvclock.c:334
nanouptime(ffff80002abda918) at nanouptime+0x61 tc_delta sys/kern/kern_tc.c:138 [inline]
nanouptime(ffff80002abda918) at nanouptime+0x61 binuptime sys/kern/kern_tc.c:191 [inline]
nanouptime(ffff80002abda918) at nanouptime+0x61 sys/kern/kern_tc.c:217
clock_gettime(ffff80003c4be570,3,ffff80002abda918) at clock_gettime+0xaa sys/kern/kern_time.c:129
sys_clock_gettime(ffff80003c4be570,ffff80002abdaa50,ffff80002abda9a0) at sys_clock_gettime+0x59 sys/kern/kern_time.c:173
syscall(ffff80002abdaa50) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002abdaa50) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:748
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7add06d56400, count: -9