panic: pool_do_get: art_heap4 free list modified: page 0xfffffd8067a27000; item addr 0xfffffd8067a27b00; offset 0x0=0x0 != 0xa57a7d9056836fc8
Stopped at db_enter+0x18: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
*380929 61287 0 0 0x4000000 0K syz-executor.4
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff8263e415) at panic+0x177 sys/kern/subr_prf.c:202
pool_do_get(ffffffff829eb950,a,ffff80002446bb18) at pool_do_get+0x436 sys/kern/subr_pool.c:740
pool_get(ffffffff829eb950,a) at pool_get+0xe9 sys/kern/subr_pool.c:584
art_table_get(ffff800000c17600,fffffd807d970d00,10) at art_table_get+0x129 sys/net/art.c:721
art_insert(ffff800000c17600,fffffd807b5ca990,ffff800000bfd9c8,80) at art_insert+0x14a sys/net/art.c:386
rtable_insert(6,ffff800000bfd9c0,0,ffff800000d2e8c0,1,fffffd807da077f8) at rtable_insert+0x2e5 sys/net/rtable.c:598
rtrequest(1,ffff80002446be30,1,ffff80002446bef8,6) at rtrequest+0x89b sys/net/route.c:946
rt_ifa_add(ffff800000e43a00,240404,ffff800000e43a40,6) at rt_ifa_add+0x260 sys/net/route.c:1137
rt_ifa_addlocal(ffff800000e43a00) at rt_ifa_addlocal+0x163 sys/net/route.c:1245
in6_update_ifa(ffff800000c34000,ffff80002446c3a0,0) at in6_update_ifa+0x129e sys/netinet6/in6.c:729
in6_ioctl_change_ifaddr(8080691a,ffff80002446c3a0,ffff800000c34000) at in6_ioctl_change_ifaddr+0x481 sys/netinet6/in6.c:358
ifioctl(fffffd807b367d38,8080691a,ffff80002446c3a0,ffff80002448efc8) at ifioctl+0xdf4 sys/net/if.c:2264
soo_ioctl(fffffd806622f860,8080691a,ffff80002446c3a0,ffff80002448efc8) at soo_ioctl+0x26c
end trace frame: 0xffff80002446c4a0, 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{0}>
ddb{0}> set $lines = 0
ddb{0}> set $maxwidth = 0
ddb{0}> show panic
*cpu0: pool_do_get: art_heap4 free list modified: page 0xfffffd8067a27000; item addr 0xfffffd8067a27b00; offset 0x0=0x0 != 0xa57a7d9056836fc8
ddb{0}> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff8263e415) at panic+0x177 sys/kern/subr_prf.c:202
pool_do_get(ffffffff829eb950,a,ffff80002446bb18) at pool_do_get+0x436 sys/kern/subr_pool.c:740
pool_get(ffffffff829eb950,a) at pool_get+0xe9 sys/kern/subr_pool.c:584
art_table_get(ffff800000c17600,fffffd807d970d00,10) at art_table_get+0x129 sys/net/art.c:721
art_insert(ffff800000c17600,fffffd807b5ca990,ffff800000bfd9c8,80) at art_insert+0x14a sys/net/art.c:386
rtable_insert(6,ffff800000bfd9c0,0,ffff800000d2e8c0,1,fffffd807da077f8) at rtable_insert+0x2e5 sys/net/rtable.c:598
rtrequest(1,ffff80002446be30,1,ffff80002446bef8,6) at rtrequest+0x89b sys/net/route.c:946
rt_ifa_add(ffff800000e43a00,240404,ffff800000e43a40,6) at rt_ifa_add+0x260 sys/net/route.c:1137
rt_ifa_addlocal(ffff800000e43a00) at rt_ifa_addlocal+0x163 sys/net/route.c:1245
in6_update_ifa(ffff800000c34000,ffff80002446c3a0,0) at in6_update_ifa+0x129e sys/netinet6/in6.c:729
in6_ioctl_change_ifaddr(8080691a,ffff80002446c3a0,ffff800000c34000) at in6_ioctl_change_ifaddr+0x481 sys/netinet6/in6.c:358
ifioctl(fffffd807b367d38,8080691a,ffff80002446c3a0,ffff80002448efc8) at ifioctl+0xdf4 sys/net/if.c:2264
soo_ioctl(fffffd806622f860,8080691a,ffff80002446c3a0,ffff80002448efc8) at soo_ioctl+0x26c
sys_ioctl(ffff80002448efc8,ffff80002446c4b8,ffff80002446c510) at sys_ioctl+0x4a2
syscall(ffff80002446c580) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff80002446c580) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xf9fbb31390, count: -17
ddb{0}> show registers
rdi 0
rsi 0x1
rbp 0xffff80002446b960
rbx 0xffffffff82932c5f cpu_info_full_primary+0x2c5f
rdx 0xffff800000c77700
rcx 0
rax 0xffff80002448efc8
r8 0x101010101010101
r9 0x8080808080808080
r10 0xc20ffb16d71ebbee
r11 0x8fad948f3fd96378
r12 0xffffffff82932a60 cpu_info_full_primary+0x2a60
r13 0
r14 0
r15 0x1
rip 0xffffffff811d3698 db_enter+0x18
cs 0x8
rflags 0x246
rsp 0xffff80002446b950
ss 0x10
db_enter+0x18: addq $0x8,%rsp
ddb{0}> show proc
PROC (syz-executor.4) pid=380929 stat=onproc
flags process=0 proc=4000000<THREAD>
pri=32, usrpri=86, nice=20
forw=0xffffffffffffffff, list=0xffff80002448f268,0xffffffff829ec468
process=0xffff800024ebb620 user=0xffff800024467000, vmspace=0xfffffd80705518b0
estcpu=36, cpticks=2, pctcpu=0.0
user=0, sys=2, intr=0
ddb{0}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
61287 61002 35088 0 2 0 syz-executor.4
*61287 380929 35088 0 7 0x4000000 syz-executor.4
62601 185644 63582 0 2 0 syz-executor.0
9682 520528 74900 0 2 0 syz-executor.7
9682 245782 74900 0 3 0x4000080 fsleep syz-executor.7
43312 217838 78148 0 2 0 syz-executor.6
52365 126337 88539 0 2 0 syz-executor.2
88539 183054 50347 0 3 0x82 nanoslp syz-executor.2
74900 356665 50347 0 3 0x82 nanoslp syz-executor.7
8098 212537 50347 0 3 0x82 nanoslp syz-executor.5
63943 470066 0 0 3 0x14200 acct acct
63582 209160 50347 0 3 0x82 nanoslp syz-executor.0
64541 276889 1 0 3 0x100083 ttyopn getty
78148 374137 50347 0 3 0x82 nanoslp syz-executor.6
35088 212744 50347 0 3 0x82 nanoslp syz-executor.4
49132 294946 50347 0 3 0x82 nanoslp syz-executor.1
8969 104651 50347 0 3 0x82 nanoslp syz-executor.3
23052 226200 0 0 3 0x14280 nfsidl nfsio
87832 372350 0 0 3 0x14280 nfsidl nfsio
84862 165832 0 0 3 0x14280 nfsidl nfsio
37180 307958 0 0 3 0x14280 nfsidl nfsio
33467 115691 0 0 3 0x14280 nfsidl nfsio
83696 500083 0 0 3 0x14280 nfsidl nfsio
96387 126271 0 0 3 0x14280 nfsidl nfsio
66424 43799 0 0 3 0x14280 nfsidl nfsio
84395 85832 0 0 3 0x14280 nfsidl nfsio
55628 215172 0 0 3 0x14280 nfsidl nfsio
13304 465718 0 0 3 0x14280 nfsidl nfsio
86496 210389 0 0 3 0x14280 nfsidl nfsio
86607 270453 0 0 3 0x14280 nfsidl nfsio
45225 126219 0 0 3 0x14280 nfsidl nfsio
58871 86096 0 0 3 0x14280 nfsidl nfsio
54290 157797 0 0 3 0x14280 nfsidl nfsio
78598 370399 0 0 3 0x14280 nfsidl nfsio
67151 393405 0 0 3 0x14280 nfsidl nfsio
50647 403172 0 0 3 0x14280 nfsidl nfsio
4168 210185 0 0 3 0x14280 nfsidl nfsio
6569 353234 0 0 3 0x14200 bored sosplice
50347 236757 62840 0 3 0x82 kqread syz-fuzzer
50347 148764 62840 0 3 0x4000082 thrsleep syz-fuzzer
50347 448007 62840 0 3 0x4000082 thrsleep syz-fuzzer
50347 56557 62840 0 3 0x4000082 thrsleep syz-fuzzer
50347 516609 62840 0 3 0x4000082 thrsleep syz-fuzzer
50347 422124 62840 0 3 0x4000082 thrsleep syz-fuzzer
50347 302562 62840 0 3 0x4000082 thrsleep syz-fuzzer
50347 460300 62840 0 3 0x4000082 thrsleep syz-fuzzer
50347 117306 62840 0 3 0x4000082 thrsleep syz-fuzzer
62840 89738 75747 0 3 0x10008a sigsusp ksh
75747 173677 10462 0 3 0x9a kqread sshd
10462 159810 1 0 3 0x88 kqread sshd
91676 324495 51353 74 3 0x1100092 bpf pflogd
51353 205984 1 0 3 0x80 netio pflogd
48396 243751 86940 73 3 0x1100090 kqread syslogd
86940 40911 1 0 3 0x100082 netio syslogd
4044 88265 1 0 3 0x100080 kqread resolvd
81960 444533 77026 77 3 0x100092 kqread dhcpleased
67416 253412 77026 77 3 0x100092 kqread dhcpleased
77026 365211 1 0 3 0x80 kqread dhcpleased
50353 81003 0 0 3 0x14200 bored smr
65031 263635 0 0 2 0x14200 zerothread
98830 248556 0 0 3 0x14200 aiodoned aiodoned
69266 427525 0 0 3 0x14200 syncer update
13253 13322 0 0 3 0x14200 cleaner cleaner
40316 318407 0 0 3 0x14200 reaper reaper
87238 94606 0 0 3 0x14200 pgdaemon pagedaemon
50621 140720 0 0 3 0x14200 bored viomb
88450 186848 0 0 3 0x40014200 acpi0 acpi0
12655 481278 0 0 7 0x40014200 idle1
68730 82057 0 0 3 0x14200 bored softnet
12407 294906 0 0 3 0x14200 bored softnet
66560 64081 0 0 3 0x14200 bored softnet
66165 61743 0 0 3 0x14200 bored softnet
59479 320848 0 0 3 0x14200 bored systqmp
48770 75680 0 0 3 0x14200 bored systq
4725 364251 0 0 3 0x40014200 bored softclock
95060 42679 0 0 3 0x40014200 idle0
1 312940 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{0}> show all locks
ddb{0}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 10249 6586K 6958K 78643K 34973 0
pcb 13 20K 24K 78643K 1317 0
rtable 216 21K 21K 78643K 2892 0
ifaddr 97 22K 23K 78643K 1359 0
sysctl 3 1K 1K 78643K 3 0
counters 56 35K 36K 78643K 342 0
ioctlops 0 0K 8K 78643K 4753 0
iov 0 0K 36K 78643K 2222 0
mount 1 1K 1K 78643K 1 0
log 0 0K 0K 78643K 4 0
vnodes 1364 85K 86K 78643K 8269 0
UFS quota 1 32K 32K 78643K 1 0
UFS mount 5 36K 36K 78643K 5 0
shm 2 1K 9K 78643K 113 0
VM map 2 1K 1K 78643K 2 0
sem 17 2K 3K 78643K 117 0
dirhash 12 2K 2K 78643K 12 0
ACPI 1697 195K 286K 78643K 12548 0
file desc 15 53K 89K 78643K 14396 0
sigio 0 0K 0K 78643K 206 0
proc 72 91K 128K 78643K 1691 0
subproc 104 6K 7K 78643K 480 0
NFS srvsock 1 0K 0K 78643K 1 0
NFS daemon 1 16K 16K 78643K 1 0
ip_moptions 0 0K 0K 78643K 391 0
in_multi 78 5K 6K 78643K 809 0
ether_multi 1 0K 0K 78643K 68 0
mrt 1 0K 0K 78643K 28 0
ISOFS mount 1 32K 32K 78643K 1 0
MSDOSFS mount 1 16K 16K 78643K 1 0
ttys 295 1314K 1314K 78643K 295 0
exec 0 0K 2K 78643K 2639 0
tdb 3 0K 0K 78643K 3 0
pagedep 1 8K 8K 78643K 1 0
inodedep 1 32K 32K 78643K 1 0
newblk 1 0K 0K 78643K 1 0
VM swap 7 26K 26K 78643K 7 0
UVM amap 463 843K 843K 78643K 81917 0
UVM aobj 135 4K 4K 78643K 138 0
memdesc 1 4K 4K 78643K 1 0
crypto data 1 1K 1K 78643K 1 0
ip6_options 0 0K 0K 78643K 562 0
NDP 15 0K 2K 78643K 280 0
temp 218 4888K 5896K 78643K 197790 0
kqueue 12 18K 26K 78643K 1199 0
SYN cache 2 16K 16K 78643K 2 0
ddb{0}> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
plcache 128 22 0 0 1 0 1 1 0 8 0
rtpcb 120 1213 0 1210 17 15 2 3 0 8 1
rtentry 112 579 0 500 4 1 3 4 0 8 0
unpcb 136 7573 0 7557 67 66 1 6 0 8 0
syncache 296 173 0 173 17 16 1 1 0 8 1
tcpqe 32 25 55 25 5 5 0 1 0 8 0
tcpcb 736 5735 0 5720 149 144 5 20 0 8 3
arp 120 79 0 67 1 0 1 1 0 8 0
inpcb 312 25136 0 25121 219 214 5 19 0 8 3
nd6 48 160 0 142 1 0 1 1 0 8 0
pkpcb 40 21 0 21 4 4 0 1 0 8 0
kcovpl 48 30 0 22 1 0 1 1 0 8 0
ppxss 1248 56 0 56 13 13 0 1 0 8 0
pfstscr 40 13 0 13 2 2 0 1 0 8 0
pffrag 232 82 0 79 4 3 1 1 0 482 0
pffrnode 88 82 0 79 4 3 1 1 0 8 0
pffrent 40 323 0 320 4 3 1 1 0 8 0
pfosfp 40 1494 0 1070 5 0 5 5 0 8 0
pfosfpen 112 1494 0 779 21 0 21 21 0 8 0
pfrktable 1344 302 0 290 3 1 2 2 0 8 0
pftag 88 77 0 69 1 0 1 1 0 8 0
pfqueue 264 4 0 4 1 1 0 1 0 8 0
pfstitem 24 57 0 54 1 0 1 1 0 8 0
pfstkey 112 73 0 70 1 0 1 1 0 8 0
pfstate 336 63 0 60 3 2 1 3 0 8 0
pfrule 1360 461 0 420 6 2 4 4 0 8 0
rttmr 64 7 0 7 2 2 0 1 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 2322 0 1908 39 13 26 30 0 8 0
art_heap4: pool(0xffffffff829eb950:art_heap4): free list modified: page 0xfffffd8067a27000; item ordinal 0; addr 0xfffffd8067a27b00 (p 0xfffffd8062f18000); offset 0x0=0x0
pool(art_heap4): free list modified: page 0xfffffd8067a27000; item ordinal 0; addr 0xfffffd8067a27b00 (p 0xfffffd8062f18000); offset 0x0=0x0
art_heap4: pool(0xffffffff829eb950:art_heap4): page inconsistency: page 0xfffffd8067a27000; item ordinal 1; addr 0x532c986b8796008a
art_table 32 2324 0 1908 5 1 4 4 0 8 0
art_node 16 571 0 501 1 0 1 1 0 8 0
sysvmsgpl 40 31 0 13 1 0 1 1 0 8 0
semupl 112 3 0 3 2 2 0 1 0 8 0
semapl 112 105 0 90 1 0 1 1 0 8 0
shmpl 112 135 0 7 4 0 4 4 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 19836 0 18385 91 0 91 91 0 8 0
ffsino 272 19836 0 18385 98 0 98 98 0 8 0
nchpl 144 38366 0 36724 63 0 63 63 0 8 0
uvmvnodes 80 5926 0 0 121 0 121 121 0 8 0
vnodes 224 5926 0 0 349 0 349 349 0 8 0
namei 1024 135021 0 135021 5 4 1 2 0 8 1
percpumem 16 183 0 143 1 0 1 1 0 8 0
vcpupl 2048 63 0 1 8 0 8 8 0 8 0
vmpool 560 104 0 42 8 3 5 5 0 8 0
pfiaddrpl 120 104 0 85 2 1 1 1 0 8 0
kstatmem 264 316 0 286 3 0 3 3 0 8 0
scsiplug 72 13 0 13 5 5 0 1 0 8 0
scxspl 216 113285 0 113285 26 25 1 8 0 8 1
plimitpl 152 1497 0 1482 1 0 1 1 0 8 0
sigapl 424 14756 0 14686 11 3 8 8 0 8 0
futexpl 64 144831 0 144830 3 2 1 1 0 8 0
knotepl 120 808 0 0 10 0 10 10 0 8 0
kqueuepl 216 3570 0 3561 63 62 1 5 0 8 0
pipepl 336 2465 0 2437 50 47 3 8 0 8 0
fdescpl 496 14656 0 14628 5 0 5 5 0 8 0
filepl 152 102971 0 102728 160 148 12 21 0 8 1
lockfpl 104 4628 0 4626 11 10 1 2 0 8 0
lockfspl 48 1183 0 1181 1 0 1 1 0 8 0
sessionpl 144 48 0 31 1 0 1 1 0 8 0
pgrppl 48 69 0 52 1 0 1 1 0 8 0
ucredpl 96 11511 0 11498 1 0 1 1 0 8 0
zombiepl 144 14689 0 14686 1 0 1 1 0 8 0
processpl 1064 14756 0 14686 5 0 5 5 0 8 0
procpl 672 38256 0 38176 28 20 8 9 0 8 0
srpgc 96 29 0 29 11 11 0 1 0 8 0
sosppl 168 94 0 93 15 14 1 1 0 8 0
sockpl 480 34033 0 33999 552 542 10 35 0 8 4
mcl64k 65536 17 0 0 3 0 3 3 0 8 0
mcl16k 16384 17 0 0 3 1 2 3 0 8 0
mcl12k 12288 17 0 0 2 0 2 2 0 8 0
mcl9k 9216 6 0 0 1 0 1 1 0 8 0
mcl8k 8192 17 0 0 3 0 3 3 0 8 0
mcl4k 4096 17 0 0 3 0 3 3 0 8 0
mcl2k2 2112 9 0 0 1 0 1 1 0 8 0
mcl2k 2048 195 0 0 21 1 20 21 0 8 0
mtagpl 96 746 0 0 17 0 17 17 0 8 0
mbufpl 256 7500 0 0 434 1 433 433 0 8 0
bufpl 288 25504 0 19172 453 0 453 453 0 8 0
anonpl 24 2953077 0 2933220 373 236 137 156 0 186 0
amapchunkpl 152 237528 0 236877 80 49 31 43 0 158 0
amappl16 200 51169 0 50320 249 201 48 60 0 8 0
amappl15 192 5028 0 5026 1 0 1 1 0 8 0
amappl14 184 1305 0 1301 1 0 1 1 0 8 0
amappl13 176 891 0 889 1 0 1 1 0 8 0
amappl12 168 776 0 771 1 0 1 1 0 8 0
amappl11 160 3430 0 3410 3 1 2 2 0 8 0
amappl10 152 1637 0 1631 1 0 1 1 0 8 0
amappl9 144 2002 0 1997 1 0 1 1 0 8 0
amappl8 136 2608 0 2492 5 0 5 5 0 8 0
amappl7 128 1505 0 1490 1 0 1 1 0 8 0
amappl6 120 1906 0 1881 2 1 1 2 0 8 0
amappl5 112 13215 0 13197 1 0 1 1 0 8 0
amappl4 104 7440 0 7405 5 4 1 2 0 8 0
amappl3 96 43213 0 43170 2 0 2 2 0 8 0
amappl2 88 16223 0 16163 3 1 2 3 0 8 0
amappl1 80 351876 0 351280 21 6 15 20 0 8 0
amappl 88 80521 0 80303 7 1 6 6 0 92 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 72 137 0 3 3 0 3 3 0 8 0
uaddrrnd 24 14760 0 14670 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 14760 0 14670 1 0 1 1 0 8 0
vmmpekpl 168 97561 0 97481 5 1 4 5 0 8 0
vmmpepl 168 1422840 0 1419945 372 220 152 165 0 357 7
vmsppl 368 14759 0 14670 10 1 9 9 0 8 0
rwobjpl 56 361574 0 353589 144 29 115 118 0 8 0
pdppl 4096 29527 0 29402 580 449 131 131 0 8 6
pvpl 32 5741894 0 5720512 629 436 193 260 0 265 0
pmappl 248 14759 0 14670 6 0 6 6 0 8 0
extentpl 40 58 0 38 1 0 1 1 0 8 0
phpool 112 2185 0 881 39 1 38 38 0 8 0
ddb{0}> machine ddbcpu 0
Invalid cpu 0
ddb{0}> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff8263e415) at panic+0x177 sys/kern/subr_prf.c:202
pool_do_get(ffffffff829eb950,a,ffff80002446bb18) at pool_do_get+0x436 sys/kern/subr_pool.c:740
pool_get(ffffffff829eb950,a) at pool_get+0xe9 sys/kern/subr_pool.c:584
art_table_get(ffff800000c17600,fffffd807d970d00,10) at art_table_get+0x129 sys/net/art.c:721
art_insert(ffff800000c17600,fffffd807b5ca990,ffff800000bfd9c8,80) at art_insert+0x14a sys/net/art.c:386
rtable_insert(6,ffff800000bfd9c0,0,ffff800000d2e8c0,1,fffffd807da077f8) at rtable_insert+0x2e5 sys/net/rtable.c:598
rtrequest(1,ffff80002446be30,1,ffff80002446bef8,6) at rtrequest+0x89b sys/net/route.c:946
rt_ifa_add(ffff800000e43a00,240404,ffff800000e43a40,6) at rt_ifa_add+0x260 sys/net/route.c:1137
rt_ifa_addlocal(ffff800000e43a00) at rt_ifa_addlocal+0x163 sys/net/route.c:1245
in6_update_ifa(ffff800000c34000,ffff80002446c3a0,0) at in6_update_ifa+0x129e sys/netinet6/in6.c:729
in6_ioctl_change_ifaddr(8080691a,ffff80002446c3a0,ffff800000c34000) at in6_ioctl_change_ifaddr+0x481 sys/netinet6/in6.c:358
ifioctl(fffffd807b367d38,8080691a,ffff80002446c3a0,ffff80002448efc8) at ifioctl+0xdf4 sys/net/if.c:2264
soo_ioctl(fffffd806622f860,8080691a,ffff80002446c3a0,ffff80002448efc8) at soo_ioctl+0x26c
sys_ioctl(ffff80002448efc8,ffff80002446c4b8,ffff80002446c510) at sys_ioctl+0x4a2
syscall(ffff80002446c580) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff80002446c580) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xf9fbb31390, count: -17
ddb{0}> machine ddbcpu 1
Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp
x86_ipi_db(ffff800020cd8ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:393
x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23
acpicpu_idle() at acpicpu_idle+0x312 sys/dev/acpi/acpicpu.c:1206
sched_idle(ffff800020cd8ff0) at sched_idle+0x417 sys/kern/kern_sched.c:178
end trace frame: 0x0, count: 10
ddb{1}> trace
x86_ipi_db(ffff800020cd8ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:393
x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23
acpicpu_idle() at acpicpu_idle+0x312 sys/dev/acpi/acpicpu.c:1206
sched_idle(ffff800020cd8ff0) at sched_idle+0x417 sys/kern/kern_sched.c:178
end trace frame: 0x0, count: -5