panic: kernel diagnostic assertion "refs != ~0" failed: file "/syzkaller/managers/main/kernel/sys/kern/kern_synch.c", line 959
Stopped at db_enter+0x25: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
*103929 33888 60929 0x10 0x4000000 0 syz-executor
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
panic(ffffffff83488b7d) at panic+0x1cf sys/kern/subr_prf.c:198
__assert(ffffffff834c5262,ffffffff83520b98,3bf,ffffffff834f98af) at __assert+0x29 sys/kern/subr_prf.c:-1
refcnt_finalize(ffff80002a7866c8,ffffffff8347b953) at refcnt_finalize+0x1e7 sys/kern/kern_synch.c:960
pppx_if_destroy(2285b9a,ffff80002a7866c0) at pppx_if_destroy+0x3d sys/net/if_pppx.c:794
pppxclose(2285b9a,1,2000,ffff80002a7c3788) at pppxclose+0xa0 sys/net/if_pppx.c:541
spec_close(ffff80003a397a80) at spec_close+0x417 sys/kern/spec_vnops.c:-1
VOP_CLOSE(fffffc8079416028,1,fffffc8007ffd5b0,ffff80002a7c3788) at VOP_CLOSE+0x129 sys/kern/vfs_vops.c:156
vn_closefile(fffffc806d478450,ffff80002a7c3788) at vn_closefile+0x11d vn_close sys/kern/vfs_vnops.c:298 [inline]
vn_closefile(fffffc806d478450,ffff80002a7c3788) at vn_closefile+0x11d sys/kern/vfs_vnops.c:621
fdrop(fffffc806d478450,ffff80002a7c3788) at fdrop+0x121 sys/kern/kern_descrip.c:1281
closef(fffffc806d478450,ffff80002a7c3788) at closef+0x190 sys/kern/kern_descrip.c:1265
syscall(ffff80003a397cd0) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80003a397cd0) at syscall+0x962 sys/arch/amd64/amd64/trap.c:791
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x458b1b9b860, count: 2
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 "refs != ~0" failed: file "/syzkaller/managers/main/kernel/sys/kern/kern_synch.c", line 959
ddb> show kasan
No such command
ddb> trace
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
panic(ffffffff83488b7d) at panic+0x1cf sys/kern/subr_prf.c:198
__assert(ffffffff834c5262,ffffffff83520b98,3bf,ffffffff834f98af) at __assert+0x29 sys/kern/subr_prf.c:-1
refcnt_finalize(ffff80002a7866c8,ffffffff8347b953) at refcnt_finalize+0x1e7 sys/kern/kern_synch.c:960
pppx_if_destroy(2285b9a,ffff80002a7866c0) at pppx_if_destroy+0x3d sys/net/if_pppx.c:794
pppxclose(2285b9a,1,2000,ffff80002a7c3788) at pppxclose+0xa0 sys/net/if_pppx.c:541
spec_close(ffff80003a397a80) at spec_close+0x417 sys/kern/spec_vnops.c:-1
VOP_CLOSE(fffffc8079416028,1,fffffc8007ffd5b0,ffff80002a7c3788) at VOP_CLOSE+0x129 sys/kern/vfs_vops.c:156
vn_closefile(fffffc806d478450,ffff80002a7c3788) at vn_closefile+0x11d vn_close sys/kern/vfs_vnops.c:298 [inline]
vn_closefile(fffffc806d478450,ffff80002a7c3788) at vn_closefile+0x11d sys/kern/vfs_vnops.c:621
fdrop(fffffc806d478450,ffff80002a7c3788) at fdrop+0x121 sys/kern/kern_descrip.c:1281
closef(fffffc806d478450,ffff80002a7c3788) at closef+0x190 sys/kern/kern_descrip.c:1265
syscall(ffff80003a397cd0) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80003a397cd0) at syscall+0x962 sys/arch/amd64/amd64/trap.c:791
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x458b1b9b860, count: -13
ddb> show registers
rdi 0
rsi 0x1
rbp 0xffff80003a397850
rbx 0
rdx 0
rcx 0
rax 0xffff80002a7c3788
r8 0x101010101010101
r9 0x8080808080808080
r10 0x9332c1401c385fb
r11 0x311d16ab31f664d2
r12 0
r13 0
r14 0
r15 0x1
rip 0xffffffff82c86235 db_enter+0x25
cs 0x8
rflags 0x246
rsp 0xffff80003a397840
ss 0x10
db_enter+0x25: addq $0x8,%rsp
ddb> show proc
PROC (syz-executor) tid=103929 pid=33888 tcnt=3 stat=onproc
flags process=10<SUGID> proc=4000000<THREAD>
runpri=32, usrpri=68, slppri=32, nice=20
wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0
forw=0xffffffffffffffff, list=0xffff80002a7c2030,0xffff80002a7c22d8
process=0xffff8000318b9f98 user=0xffff80003a392000, vmspace=0xfffffc807ee675c8
estcpu=18, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0
ddb> ps
PID TID PPID UID S PRLAGS PFLAGS WAIT COMMAND
33888 344762 17169 60929 2 0x10 0 syz-executor
*33888 103929 17169 60929 7 0x10 0x4000000 syz-executor
33888 334945 17169 60929 3 0x10 0x4000080 fsleep syz-executor
85852 212632 57476 0 3 0x2 0 clonelk ifconfig
90682 494712 99781 0 3 0 0x80 nanoslp syz-executor
90682 485489 99781 0 3 0 0x4000080 netcon syz-executor
90682 16017 99781 0 3 0 0x4000080 netacc syz-executor
90682 231646 99781 0 3 0 0x4000000 smrbar syz-executor
57476 9436 98200 0 3 0x100002 0x88 sigsusp sh
98200 229114 69851 0 3 0x2 0x80 wait syz-executor
30870 260620 69851 0 2 0x2 0xc80 syz-executor
77415 171450 0 0 3 0x14000 0x280 nfsidl nfsio
36841 327170 0 0 3 0x14000 0x280 nfsidl nfsio
11015 332283 0 0 3 0x14000 0x280 nfsidl nfsio
13655 248721 0 0 3 0x14000 0x280 nfsidl nfsio
78300 379065 0 0 3 0x14000 0x280 nfsidl nfsio
23409 374099 0 0 3 0x14000 0x280 nfsidl nfsio
84222 77218 0 0 3 0x14000 0x280 nfsidl nfsio
29934 256208 0 0 3 0x14000 0x280 nfsidl nfsio
64265 306429 0 0 3 0x14000 0x280 nfsidl nfsio
98072 150940 0 0 3 0x14000 0x280 nfsidl nfsio
82712 286499 0 0 3 0x14000 0x280 nfsidl nfsio
91684 284008 0 0 3 0x14000 0x280 nfsidl nfsio
72151 205575 0 0 3 0x14000 0x280 nfsidl nfsio
55955 467715 0 0 3 0x14000 0x280 nfsidl nfsio
8099 267904 0 0 3 0x14000 0x280 nfsidl nfsio
83410 130034 0 0 3 0x14000 0x280 nfsidl nfsio
81309 298368 0 0 3 0x14000 0x280 nfsidl nfsio
5718 59167 0 0 3 0x14000 0x280 nfsidl nfsio
4472 490787 0 0 3 0x14000 0x280 nfsidl nfsio
13537 433250 0 0 3 0x14000 0x280 nfsidl nfsio
34497 486864 69851 0 3 0x2 0x80 piperd syz-executor
35775 146893 0 0 3 0x14000 0x200 acct acct
9389 154598 1 0 3 0x100003 0x80 ttyin getty
99781 124916 69851 0 2 0x2 0xc80 syz-executor
17169 144088 69851 0 3 0x2 0x80 nanoslp syz-executor
19684 380654 69851 0 3 0x2 0x80 wait syz-executor
69851 240240 46091 0 3 0x2 0x80 wait syz-executor
46091 64511 44656 0 3 0x100002 0x88 sigsusp ksh
44656 65447 42049 0 3 0x10 0x88 kqread sshd-session
42049 412402 85214 0 3 0x12 0x80 kqread sshd-session
85214 240969 1 0 3 0 0x88 kqread sshd
24879 465273 30021 73 3 0x1100010 0x80 kqread syslogd
30021 289293 1 0 3 0x100002 0x80 sbwait syslogd
28617 445566 1 0 3 0x100000 0x80 kqread resolvd
24483 179195 19053 77 3 0x100012 0x80 kqread dhcpleased
57777 25808 19053 77 3 0x100012 0x80 kqread dhcpleased
19053 489499 1 0 3 0 0x80 kqread dhcpleased
83535 256592 0 0 2 0x14000 0x200 smr
56239 251542 0 0 2 0x14000 0x200 zerothread
59831 375844 0 0 3 0x14000 0x200 aiodoned aiodoned
39271 50394 0 0 3 0x14000 0x200 syncer update
59101 464567 0 0 3 0x14000 0x200 cleaner cleaner
21885 464519 0 0 3 0x14000 0x200 reaper reaper
71618 359211 0 0 3 0x14000 0x200 pgdaemon pagedaemon
84749 311669 0 0 3 0x14000 0x200 bored viomb
19867 316310 0 0 3 0x14000 0x40000200 acpi0 acpi0
11092 214888 0 0 2 0x14000 0x200 softnet0
33574 265405 0 0 3 0x14000 0x200 bored systqmp
34339 452252 0 0 3 0x14000 0x200 bored systq
23775 325853 0 0 2 0x14000 0x40000200 softclock
67895 420343 0 0 3 0x14000 0x40000200 idle0
1 474886 0 0 3 0x2 0x80 wait init
0 0 -1 0 3 0x10000 0x200 scheduler swapper
ddb> show all locks
No such command
ddb> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 11034 12104K 12380K 166960K 13200 0
pcb 18 13K 13K 166960K 93 0
rtable 189 6K 8K 166960K 1619 0
pf 34 13K 4177K 166960K 217 0
ifaddr 39 7K 7K 166960K 226 0
ifgroup 51 2K 2K 166960K 243 0
sysctl 2 1K 9K 166960K 7 0
counters 34 17K 18K 166960K 91 0
ioctlops 0 0K 4K 166960K 254 0
iov 0 0K 16K 166960K 14 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1418 89K 89K 166960K 2528 0
UFS quota 1 32K 32K 166960K 1 0
UFS mount 5 36K 36K 166960K 5 0
shm 2 1K 5K 166960K 5 0
VM map 2 1K 1K 166960K 2 0
sem 13 0K 1K 166960K 38 0
dirhash 12 2K 2K 166960K 18 0
ACPI 1734 201K 291K 166960K 11964 0
file desc 16 57K 85K 166960K 1067 0
sigio 0 0K 0K 166960K 67 0
proc 67 67K 83K 166960K 1650 0
subproc 72 4K 4K 166960K 441 0
NFS srvsock 1 0K 0K 166960K 1 0
NFS daemon 1 16K 16K 166960K 1 0
ip_moptions 0 0K 0K 166960K 40 0
in_multi 87 5K 6K 166960K 556 0
ether_multi 1 0K 0K 166960K 5 0
mrt 0 0K 0K 166960K 29 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 927 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 199 151K 165K 166960K 9200 0
UVM aobj 12 3K 3K 166960K 12 0
pinsyscall 37 74K 88K 166960K 3215 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
ip6_options 0 0K 0K 166960K 9 0
NDP 11 0K 2K 166960K 159 0
temp 37 9110K 9174K 166960K 21846 0
kqueue 17 26K 26K 166960K 111 0
SYN cache 2 16K 16K 166960K 2 0
ddb> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
rtpcb 120 170 0 166 2 0 2 2 0 8 1
rtentry 136 568 0 487 4 0 4 4 0 8 0
unpcb 144 239 0 224 1 0 1 1 0 8 0
syncache 336 4 0 4 1 1 0 1 0 8 0
tcpcb 736 137 0 130 4 0 4 4 0 8 3
arp 96 99 0 85 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 328 603 0 591 13 9 4 10 0 8 3
nd6 112 146 0 126 1 0 1 1 0 8 0
pkpcb 40 2 0 2 2 1 1 1 0 8 1
kcovpl 48 49 0 41 1 0 1 1 0 8 0
mppekey 1024 1 0 1 1 0 1 1 0 8 1
ppxss 1072 15 0 14 2 1 1 1 0 8 0
pppxif 1416 3 0 2 2 1 1 1 0 8 0
pfstscr 40 13 0 6 1 0 1 1 0 8 0
pfrktable 1344 3 0 3 1 1 0 1 0 8 0
pfanchor 1288 28 0 23 2 1 1 1 0 8 0
pftag 88 1 0 0 1 0 1 1 0 8 0
pfstitem 24 8 0 4 1 0 1 1 0 8 0
pfstkey 128 14 0 9 1 0 1 1 0 8 0
pfstate 384 7 0 3 1 0 1 1 0 8 0
pfrule 1360 9 0 9 2 1 1 1 0 8 1
rttmr 136 5 0 5 2 1 1 1 0 8 1
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 2325 0 1933 36 4 32 32 0 8 4
art_table 40 2326 0 1933 6 0 6 6 0 8 0
art_node 32 567 0 494 1 0 1 1 0 8 0
sysvmsgpl 40 1 0 1 1 1 0 1 0 8 0
semupl 112 1 0 1 1 0 1 1 0 8 1
semapl 72 33 0 22 1 0 1 1 0 8 0
shmpl 112 9 0 0 1 0 1 1 0 8 0
dirhash 1024 21 0 4 3 0 3 3 0 8 0
dino2pl 256 2344 0 799 97 0 97 97 0 8 0
ffsino 256 2344 0 799 97 0 97 97 0 8 0
nchpl 144 2939 0 1072 70 0 70 70 0 8 0
rtmask 32 1 0 1 1 0 1 1 0 8 1
vnodes 216 3386 0 0 189 0 189 189 0 8 0
namei 1024 13761 0 13761 3 2 1 2 0 8 1
pfiaddrpl 120 1 0 1 1 1 0 1 0 8 0
kstatmem 264 127 0 104 2 0 2 2 0 8 0
scsiplug 72 2 0 2 2 1 1 1 0 8 1
scxspl 216 10060 0 10060 11 3 8 8 1 8 8
plimitpl 152 208 0 191 1 0 1 1 0 8 0
sigapl 424 1302 0 1240 9 1 8 8 0 8 0
knotepl 120 15293 0 15241 10 0 10 10 0 8 7
kqueuepl 184 143 0 129 1 0 1 1 0 8 0
pipepl 304 337 0 310 8 0 8 8 0 8 5
fdescpl 448 1268 0 1240 5 1 4 4 0 8 0
filepl 120 5869 0 5647 15 5 10 13 0 8 2
lockfpl 104 363 0 361 2 1 1 2 0 8 0
lockfspl 48 116 0 114 1 0 1 1 0 8 0
sessionpl 144 81 0 72 1 0 1 1 0 8 0
pgrppl 48 132 0 115 1 0 1 1 0 8 0
ucredpl 104 518 0 506 1 0 1 1 0 8 0
zombiepl 144 1244 0 1240 1 0 1 1 0 8 0
processpl 1152 1302 0 1240 5 0 5 5 0 8 0
procpl 664 1907 0 1840 8 0 8 8 0 8 1
sosppl 176 4 0 4 2 1 1 1 0 8 1
sockpl 552 1022 0 991 15 8 7 10 0 8 4
mcl64k 65536 617 0 617 2 1 1 1 0 8 1
mcl16k 16384 10 0 10 2 1 1 1 0 8 1
mcl12k 12288 1 0 1 1 0 1 1 0 8 1
mcl9k128 9344 4 0 4 2 1 1 1 0 8 1
mcl8k 8192 33 0 33 2 1 1 1 0 8 1
mcl4k 4096 2991 0 2937 15 6 9 13 0 8 1
mcl2k 2048 1098 0 1089 5 1 4 4 0 8 2
mextrefs 64 361 0 361 2 1 1 1 0 8 1
mtagpl 96 29 0 11 1 0 1 1 0 8 0
mbufpl 256 12279 0 12117 24 3 21 24 0 8 8
bufpl 272 3263 0 102 211 0 211 211 0 8 0
anonpl 24 160579 0 157586 69 27 42 51 0 187 18
amapchunkpl 152 26889 0 26495 37 11 26 28 0 158 7
amappl16 200 1924 0 1910 21 8 13 13 0 8 10
amappl15 192 6 0 5 1 0 1 1 0 8 0
amappl14 184 892 0 890 1 0 1 1 0 8 0
amappl13 176 195 0 185 1 0 1 1 0 8 0
amappl12 168 1672 0 1646 2 0 2 2 0 8 0
amappl11 160 5 0 5 1 1 0 1 0 8 0
amappl10 152 70 0 60 1 0 1 1 0 8 0
amappl9 144 271 0 271 1 1 0 1 0 8 0
amappl8 136 255 0 253 1 0 1 1 0 8 0
amappl7 128 218 0 206 1 0 1 1 0 8 0
amappl6 120 548 0 545 1 0 1 1 0 8 0
amappl5 112 108 0 100 1 0 1 1 0 8 0
amappl4 104 387 0 370 1 0 1 1 0 8 0
amappl3 96 4840 0 4763 4 1 3 3 0 8 0
amappl2 88 1231 0 1164 2 0 2 2 0 8 0
amappl1 80 16768 0 16223 14 1 13 13 0 8 1
amappl 88 7776 0 7641 4 0 4 4 0 92 0
uvmvnodes 80 105 0 0 3 0 3 3 0 8 0
dma8192 8192 1 0 1 1 0 1 1 0 8 1
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 128 255 0 255 2 1 1 1 0 8 1
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 11 0 0 1 0 1 1 0 8 0
uaddrrnd 24 1268 0 1240 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 1268 0 1240 1 0 1 1 0 8 0
vmmpekpl 168 11479 0 11428 3 0 3 3 0 8 0
vmmpepl 168 88188 0 86558 96 15 81 88 0 357 4
vmsppl 368 1267 0 1240 4 1 3 4 0 8 0
rwobjpl 40 26454 0 25522 13 1 12 12 0 8 1
pdppl 4096 2542 0 2480 140 72 68 76 0 8 6
pvpl 32 484875 0 476961 147 46 101 123 0 265 22
pmappl 216 1267 0 1240 2 0 2 2 0 8 0
extentpl 40 46 0 28 1 0 1 1 0 8 0
phpool 112 659 0 97 17 0 17 17 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(ffffffff83488b7d) at panic+0x1cf sys/kern/subr_prf.c:198
__assert(ffffffff834c5262,ffffffff83520b98,3bf,ffffffff834f98af) at __assert+0x29 sys/kern/subr_prf.c:-1
refcnt_finalize(ffff80002a7866c8,ffffffff8347b953) at refcnt_finalize+0x1e7 sys/kern/kern_synch.c:960
pppx_if_destroy(2285b9a,ffff80002a7866c0) at pppx_if_destroy+0x3d sys/net/if_pppx.c:794
pppxclose(2285b9a,1,2000,ffff80002a7c3788) at pppxclose+0xa0 sys/net/if_pppx.c:541
spec_close(ffff80003a397a80) at spec_close+0x417 sys/kern/spec_vnops.c:-1
VOP_CLOSE(fffffc8079416028,1,fffffc8007ffd5b0,ffff80002a7c3788) at VOP_CLOSE+0x129 sys/kern/vfs_vops.c:156
vn_closefile(fffffc806d478450,ffff80002a7c3788) at vn_closefile+0x11d vn_close sys/kern/vfs_vnops.c:298 [inline]
vn_closefile(fffffc806d478450,ffff80002a7c3788) at vn_closefile+0x11d sys/kern/vfs_vnops.c:621
fdrop(fffffc806d478450,ffff80002a7c3788) at fdrop+0x121 sys/kern/kern_descrip.c:1281
closef(fffffc806d478450,ffff80002a7c3788) at closef+0x190 sys/kern/kern_descrip.c:1265
syscall(ffff80003a397cd0) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80003a397cd0) at syscall+0x962 sys/arch/amd64/amd64/trap.c:791
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x458b1b9b860, count: -13
ddb> machine ddbcpu 1
No such command
ddb> trace
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
panic(ffffffff83488b7d) at panic+0x1cf sys/kern/subr_prf.c:198
__assert(ffffffff834c5262,ffffffff83520b98,3bf,ffffffff834f98af) at __assert+0x29 sys/kern/subr_prf.c:-1
refcnt_finalize(ffff80002a7866c8,ffffffff8347b953) at refcnt_finalize+0x1e7 sys/kern/kern_synch.c:960
pppx_if_destroy(2285b9a,ffff80002a7866c0) at pppx_if_destroy+0x3d sys/net/if_pppx.c:794
pppxclose(2285b9a,1,2000,ffff80002a7c3788) at pppxclose+0xa0 sys/net/if_pppx.c:541
spec_close(ffff80003a397a80) at spec_close+0x417 sys/kern/spec_vnops.c:-1
VOP_CLOSE(fffffc8079416028,1,fffffc8007ffd5b0,ffff80002a7c3788) at VOP_CLOSE+0x129 sys/kern/vfs_vops.c:156
vn_closefile(fffffc806d478450,ffff80002a7c3788) at vn_closefile+0x11d vn_close sys/kern/vfs_vnops.c:298 [inline]
vn_closefile(fffffc806d478450,ffff80002a7c3788) at vn_closefile+0x11d sys/kern/vfs_vnops.c:621
fdrop(fffffc806d478450,ffff80002a7c3788) at fdrop+0x121 sys/kern/kern_descrip.c:1281
closef(fffffc806d478450,ffff80002a7c3788) at closef+0x190 sys/kern/kern_descrip.c:1265
syscall(ffff80003a397cd0) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80003a397cd0) at syscall+0x962 sys/arch/amd64/amd64/trap.c:791
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x458b1b9b860, count: -13