panic: free: size too small 10 <= 4096 / 2 (0xffff800000aa3000) type devbuf
Stopped at db_enter+0x18: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
*446124 7890 0 0 0x4000000 1K syz-executor.1
481721 87738 0 0x2 0x4000000 0 syz-fuzzer
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398
panic(ffffffff82420d5a) at panic+0x15c sys/kern/subr_prf.c:207
free(ffff800000aa3000,2,a) at free+0x54c
wskbd_load_keymap(ffff80000007ec70,200,ffff800000657528,ffff800000657524) at wskbd_load_keymap+0x3e2 wskbd_init_keymap sys/dev/wscons/wskbdutil.c:385 [inline]
wskbd_load_keymap(ffff80000007ec70,200,ffff800000657528,ffff800000657524) at wskbd_load_keymap+0x3e2 sys/dev/wscons/wskbdutil.c:440
wskbd_displayioctl(ffff800000657400,80045710,ffff800021f27690,2,ffff800021f0b3a8) at wskbd_displayioctl+0xacb sys/dev/wscons/wskbd.c:1150
wskbd_do_ioctl_sc(ffff800000657400,80045710,ffff800021f27690,2,ffff800021f0b3a8) at wskbd_do_ioctl_sc+0x17c sys/dev/wscons/wskbd.c:986
wskbdioctl(4300,80045710,ffff800021f27690,2,ffff800021f0b3a8) at wskbdioctl+0x7c wskbd_do_ioctl sys/dev/wscons/wskbd.c:940 [inline]
wskbdioctl(4300,80045710,ffff800021f27690,2,ffff800021f0b3a8) at wskbdioctl+0x7c sys/dev/wscons/wskbd.c:928
VOP_IOCTL(fffffd806e2859c8,80045710,ffff800021f27690,2,fffffd807f7bf7e0,ffff800021f0b3a8) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:290
vn_ioctl(fffffd806ca39ef0,80045710,ffff800021f27690,ffff800021f0b3a8) at vn_ioctl+0xba sys/kern/vfs_vnops.c:531
sys_ioctl(ffff800021f0b3a8,ffff800021f277a8,ffff800021f277f0) at sys_ioctl+0x4a5
syscall(ffff800021f27870) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff800021f27870) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x4d432fc25e0, count: 3
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
free: size too small 10 <= 4096 / 2 (0xffff800000aa3000) type devbuf
ddb{1}> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398
panic(ffffffff82420d5a) at panic+0x15c sys/kern/subr_prf.c:207
free(ffff800000aa3000,2,a) at free+0x54c
wskbd_load_keymap(ffff80000007ec70,200,ffff800000657528,ffff800000657524) at wskbd_load_keymap+0x3e2 wskbd_init_keymap sys/dev/wscons/wskbdutil.c:385 [inline]
wskbd_load_keymap(ffff80000007ec70,200,ffff800000657528,ffff800000657524) at wskbd_load_keymap+0x3e2 sys/dev/wscons/wskbdutil.c:440
wskbd_displayioctl(ffff800000657400,80045710,ffff800021f27690,2,ffff800021f0b3a8) at wskbd_displayioctl+0xacb sys/dev/wscons/wskbd.c:1150
wskbd_do_ioctl_sc(ffff800000657400,80045710,ffff800021f27690,2,ffff800021f0b3a8) at wskbd_do_ioctl_sc+0x17c sys/dev/wscons/wskbd.c:986
wskbdioctl(4300,80045710,ffff800021f27690,2,ffff800021f0b3a8) at wskbdioctl+0x7c wskbd_do_ioctl sys/dev/wscons/wskbd.c:940 [inline]
wskbdioctl(4300,80045710,ffff800021f27690,2,ffff800021f0b3a8) at wskbdioctl+0x7c sys/dev/wscons/wskbd.c:928
VOP_IOCTL(fffffd806e2859c8,80045710,ffff800021f27690,2,fffffd807f7bf7e0,ffff800021f0b3a8) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:290
vn_ioctl(fffffd806ca39ef0,80045710,ffff800021f27690,ffff800021f0b3a8) at vn_ioctl+0xba sys/kern/vfs_vnops.c:531
sys_ioctl(ffff800021f0b3a8,ffff800021f277a8,ffff800021f277f0) at sys_ioctl+0x4a5
syscall(ffff800021f27870) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff800021f27870) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x4d432fc25e0, count: -12
ddb{1}> show registers
rdi 0
rsi 0x1
rbp 0xffff800021f27110
rbx 0xffff800021f271c0
rdx 0x8b
rcx 0x2
rax 0x1
r8 0xffffffff82319f3f kprintf+0x16f
r9 0x1
r10 0x2
r11 0x755101668df9730e
r12 0x3000000008
r13 0xffff800021f27120
r14 0x100
r15 0x1
rip 0xffffffff812fccd8 db_enter+0x18
cs 0x8
rflags 0x246
rsp 0xffff800021f27100
ss 0x10
db_enter+0x18: addq $0x8,%rsp
ddb{1}> show proc
PROC (syz-executor.1) pid=446124 stat=onproc
flags process=0 proc=4000000<THREAD>
pri=32, usrpri=82, nice=20
forw=0xffffffffffffffff, list=0xffff800021f0b888,0xffff800021f0a9f8
process=0xffff800020e08020 user=0xffff800021f22000, vmspace=0xfffffd8064c028b0
estcpu=32, cpticks=1, pctcpu=0.0
user=0, sys=1, intr=0
ddb{1}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
7890 456603 65598 0 2 0 syz-executor.1
7890 467027 65598 0 2 0x4000000 syz-executor.1
* 7890 446124 65598 0 7 0x4000000 syz-executor.1
7890 72080 65598 0 3 0x4000080 fsleep syz-executor.1
47663 276718 0 0 3 0x14200 acct acct
41832 172719 0 0 3 0x14280 nfsidl nfsio
69202 247829 0 0 3 0x14280 nfsidl nfsio
95231 15614 0 0 3 0x14280 nfsidl nfsio
97339 238730 0 0 3 0x14280 nfsidl nfsio
77365 7986 0 0 3 0x14280 nfsidl nfsio
58364 495031 0 0 3 0x14280 nfsidl nfsio
65489 341968 0 0 3 0x14280 nfsidl nfsio
26312 197360 0 0 3 0x14280 nfsidl nfsio
16845 250557 0 0 3 0x14280 nfsidl nfsio
90327 460573 0 0 3 0x14280 nfsidl nfsio
83011 238792 0 0 3 0x14280 nfsidl nfsio
58043 24740 0 0 3 0x14280 nfsidl nfsio
52011 127108 0 0 3 0x14280 nfsidl nfsio
7773 480673 0 0 3 0x14280 nfsidl nfsio
22584 340658 0 0 3 0x14280 nfsidl nfsio
18590 307552 0 0 3 0x14280 nfsidl nfsio
22107 392821 0 0 3 0x14280 nfsidl nfsio
52669 293315 0 0 3 0x14280 nfsidl nfsio
37064 423578 0 0 3 0x14280 nfsidl nfsio
97317 357544 0 0 3 0x14280 nfsidl nfsio
83894 194486 87738 0 3 0x82 piperd syz-executor.0
84124 210114 0 0 3 0x14200 bored sosplice
65598 76133 87738 0 3 0x82 nanosleep syz-executor.1
87738 118249 87888 0 3 0x82 thrsleep syz-fuzzer
87738 93142 87888 0 3 0x4000082 nanosleep syz-fuzzer
87738 473993 87888 0 3 0x4000082 thrsleep syz-fuzzer
87738 359941 87888 0 3 0x4000082 thrsleep syz-fuzzer
87738 360408 87888 0 3 0x4000082 thrsleep syz-fuzzer
87738 481721 87888 0 7 0x4000002 syz-fuzzer
87738 322559 87888 0 3 0x4000082 thrsleep syz-fuzzer
87738 161065 87888 0 3 0x4000082 kqread syz-fuzzer
87738 231582 87888 0 3 0x4000082 thrsleep syz-fuzzer
87738 200728 87888 0 3 0x4000082 thrsleep syz-fuzzer
87888 42487 1699 0 3 0x10008a pause ksh
1699 308549 46886 0 3 0x92 select sshd
53087 430790 1 0 3 0x100083 ttyin getty
46886 300189 1 0 3 0x80 select sshd
94555 260910 65279 74 3 0x100092 bpf pflogd
65279 518998 1 0 3 0x80 netio pflogd
54944 401600 79414 73 3 0x100090 kqread syslogd
79414 4790 1 0 3 0x100082 netio syslogd
54526 6012 1 77 3 0x100090 poll dhclient
4988 152579 1 0 3 0x80 poll dhclient
85074 408024 0 0 3 0x14200 bored smr
23268 166055 0 0 3 0x14200 pgzero zerothread
37434 309874 0 0 3 0x14200 aiodoned aiodoned
20474 5897 0 0 3 0x14200 syncer update
74819 15264 0 0 3 0x14200 cleaner cleaner
86897 130312 0 0 3 0x14200 reaper reaper
46904 97730 0 0 3 0x14200 pgdaemon pagedaemon
43669 14595 0 0 3 0x14200 bored crynlk
44885 491738 0 0 3 0x14200 bored crypto
50042 498719 0 0 3 0x40014200 acpi0 acpi0
80993 39821 0 0 3 0x40014200 idle1
44840 372625 0 0 3 0x14200 bored softnet
27869 44101 0 0 3 0x14200 bored systqmp
74377 163579 0 0 3 0x14200 bored systq
55804 159359 0 0 3 0x40014200 bored softclock
92035 397087 0 0 3 0x40014200 idle0
1 64799 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{1}> show all locks
CPU 1:
exclusive mutex /syzkaller/managers/multicore/kernel/sys/kern/kern_malloc.c:104 r = 0 (0xffffffff826f9790)
#0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline]
#0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164
#1 mtx_enter_try+0x102
#2 mtx_enter+0x4b sys/kern/kern_lock.c:266
#3 free+0x70 sys/kern/kern_malloc.c:394
#4 wskbd_load_keymap+0x3e2 wskbd_init_keymap sys/dev/wscons/wskbdutil.c:385 [inline]
#4 wskbd_load_keymap+0x3e2 sys/dev/wscons/wskbdutil.c:440
#5 wskbd_displayioctl+0xacb sys/dev/wscons/wskbd.c:1150
#6 wskbd_do_ioctl_sc+0x17c sys/dev/wscons/wskbd.c:986
#7 wskbdioctl+0x7c wskbd_do_ioctl sys/dev/wscons/wskbd.c:940 [inline]
#7 wskbdioctl+0x7c sys/dev/wscons/wskbd.c:928
#8 VOP_IOCTL+0x88 sys/kern/vfs_vops.c:290
#9 vn_ioctl+0xba sys/kern/vfs_vnops.c:531
#10 sys_ioctl+0x4a5
#11 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#11 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570
#12 Xsyscall+0x128
Process 7890 (syz-executor.1) thread 0xffff800021f0b3a8 (446124)
exclusive kernel_lock &kernel_lock r = 0 (0xffffffff8290bf70)
#0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline]
#0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164
#1 vn_ioctl+0x40 sys/kern/vfs_vnops.c:514
#2 sys_ioctl+0x4a5
#3 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#3 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570
#4 Xsyscall+0x128
exclusive mutex /syzkaller/managers/multicore/kernel/sys/kern/kern_malloc.c:104 r = 0 (0xffffffff826f9790)
#0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline]
#0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164
#1 mtx_enter_try+0x102
#2 mtx_enter+0x4b sys/kern/kern_lock.c:266
#3 free+0x70 sys/kern/kern_malloc.c:394
#4 wskbd_load_keymap+0x3e2 wskbd_init_keymap sys/dev/wscons/wskbdutil.c:385 [inline]
#4 wskbd_load_keymap+0x3e2 sys/dev/wscons/wskbdutil.c:440
#5 wskbd_displayioctl+0xacb sys/dev/wscons/wskbd.c:1150
#6 wskbd_do_ioctl_sc+0x17c sys/dev/wscons/wskbd.c:986
#7 wskbdioctl+0x7c wskbd_do_ioctl sys/dev/wscons/wskbd.c:940 [inline]
#7 wskbdioctl+0x7c sys/dev/wscons/wskbd.c:928
#8 VOP_IOCTL+0x88 sys/kern/vfs_vops.c:290
#9 vn_ioctl+0xba sys/kern/vfs_vnops.c:531
#10 sys_ioctl+0x4a5
#11 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#11 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570
#12 Xsyscall+0x128
ddb{1}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 9548 6439K 7537K 78643K 17536 0
pcb 13 8K 8K 78643K 184 0
rtable 149 20K 20K 78643K 559 0
ifaddr 112 22K 23K 78643K 220 0
sysctl 2 0K 0K 78643K 2 0
counters 43 33K 34K 78643K 75 0
ioctlops 0 0K 4K 78643K 1633 0
iov 0 0K 16K 78643K 386 0
mount 1 1K 1K 78643K 1 0
vnodes 1229 77K 78K 78643K 3095 0
UFS quota 1 32K 32K 78643K 1 0
UFS mount 5 36K 36K 78643K 5 0
shm 2 1K 5K 78643K 22 0
VM map 2 1K 1K 78643K 2 0
sem 12 0K 0K 78643K 277 0
dirhash 12 2K 2K 78643K 12 0
ACPI 1824 197K 290K 78643K 13058 0
file desc 5 13K 25K 78643K 1515 0
sigio 0 0K 0K 78643K 24 0
proc 61 63K 83K 78643K 593 0
subproc 32 2K 2K 78643K 51 0
NFS srvsock 1 0K 0K 78643K 1 0
NFS daemon 1 16K 16K 78643K 1 0
ip_moptions 0 0K 0K 78643K 77 0
in_multi 90 3K 4K 78643K 185 0
ether_multi 1 0K 0K 78643K 21 0
mrt 1 0K 0K 78643K 9 0
ISOFS mount 1 32K 32K 78643K 1 0
MSDOSFS mount 1 16K 16K 78643K 1 0
ttys 55 254K 254K 78643K 55 0
exec 0 0K 1K 78643K 319 0
pfkey data 0 0K 1K 78643K 2 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 133 71K 87K 78643K 5151 0
UVM aobj 54 7K 7K 78643K 66 0
memdesc 1 4K 4K 78643K 1 0
crypto data 1 1K 1K 78643K 1 0
ip6_options 0 0K 0K 78643K 156 0
NDP 16 0K 0K 78643K 40 0
temp 152 3863K 3931K 78643K 28602 0
kqueue 3 4K 10K 78643K 57 0
SYN cache 2 16K 16K 78643K 2 0
ddb{1}> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
arp 64 16 0 7 1 0 1 1 0 8 0
plcache 128 20 0 0 1 0 1 1 0 8 0
rtpcb 80 64 0 62 1 0 1 1 0 8 0
rtentry 112 90 0 44 2 0 2 2 0 8 0
unpcb 120 578 0 567 2 1 1 2 0 8 0
syncache 264 10 0 10 4 4 0 1 0 8 0
sackhl 24 2 0 2 2 2 0 1 0 8 0
tcpqe 32 159 0 159 2 2 0 1 0 8 0
tcpcb 544 351 0 347 2 1 1 2 0 8 0
inpcb 280 1925 0 1917 10 8 2 2 0 8 1
rttmr 72 3 0 3 2 2 0 1 0 8 0
nd6 48 12 0 8 1 0 1 1 0 8 0
pkpcb 40 11 0 11 4 4 0 1 0 8 0
ppxss 1128 5 0 5 4 4 0 1 0 8 0
pfstscr 40 2 0 1 1 0 1 1 0 8 0
pffrag 232 4 0 4 2 2 0 1 0 482 0
pffrnode 88 4 0 4 2 2 0 1 0 8 0
pffrent 40 14 0 14 2 2 0 1 0 8 0
pfosfp 40 846 0 423 5 0 5 5 0 8 0
pfosfpen 112 1428 0 714 21 0 21 21 0 8 0
pfrktable 1344 33 0 19 5 3 2 2 0 8 0
pftag 88 9 0 6 1 0 1 1 0 8 0
pfqueue 264 2 0 0 1 0 1 1 0 8 0
pfstitem 24 38 0 34 1 0 1 1 0 8 0
pfstkey 112 38 0 34 1 0 1 1 0 8 0
pfstate 328 36 0 33 3 1 2 3 0 8 0
pfsrctr 152 15 0 15 1 1 0 1 0 8 0
pfrule 1360 50 0 22 4 1 3 3 0 8 0
art_heap8 4096 2 0 0 2 0 2 2 0 8 0
art_heap4 256 324 0 132 14 0 14 14 0 8 1
art_table 32 326 0 132 2 0 2 2 0 8 0
art_node 16 89 0 47 1 0 1 1 0 8 0
sysvmsgpl 40 33 0 14 1 0 1 1 0 8 0
semapl 112 275 0 265 1 0 1 1 0 8 0
shmpl 112 64 0 12 2 0 2 2 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 3623 0 2219 89 0 89 89 0 8 0
ffsino 272 3623 0 2219 95 0 95 95 0 8 0
nchpl 144 5864 0 4281 60 0 60 60 0 8 0
uvmvnodes 72 5255 0 0 96 0 96 96 0 8 0
vnodes 208 5255 0 0 277 0 277 277 0 8 0
namei 1024 17062 0 17062 5 4 1 1 0 8 1
percpumem 16 48 0 16 1 0 1 1 0 8 0
vcpupl 1984 8 0 0 1 0 1 1 0 8 0
vmpool 560 12 0 4 1 0 1 1 0 8 0
pfiaddrpl 120 24 0 5 1 0 1 1 0 8 0
scxspl 192 17426 0 17426 13 12 1 5 0 8 1
plimitpl 152 88 0 80 1 0 1 1 0 8 0
sigapl 424 1749 0 1696 7 1 6 7 0 8 0
futexpl 56 24174 0 24173 4 3 1 1 0 8 0
knotepl 112 128 0 109 1 0 1 1 0 8 0
kqueuepl 144 153 0 151 1 0 1 1 0 8 0
pipelkpl 48 229 0 217 1 0 1 1 0 8 0
pipepl 120 458 0 435 1 0 1 1 0 8 0
fdescpl 496 1712 0 1696 3 0 3 3 0 8 0
filepl 152 9746 0 9640 7 2 5 6 0 8 0
lockfpl 104 311 0 310 1 0 1 1 0 8 0
lockfspl 48 94 0 93 1 0 1 1 0 8 0
sessionpl 112 19 0 8 1 0 1 1 0 8 0
pgrppl 48 34 0 23 1 0 1 1 0 8 0
ucredpl 96 930 0 921 1 0 1 1 0 8 0
zombiepl 144 1749 0 1749 2 1 1 1 0 8 1
processpl 984 1749 0 1696 7 0 7 7 0 8 0
procpl 624 4286 0 4221 6 0 6 6 0 8 0
srpgc 64 2 0 2 1 1 0 1 0 8 0
sosppl 128 18 0 18 3 3 0 1 0 8 0
sockpl 400 2592 0 2572 13 9 4 6 0 8 1
mcl64k 65536 17 0 0 3 0 3 3 0 8 0
mcl16k 16384 3 0 0 1 0 1 1 0 8 0
mcl12k 12288 8 0 0 1 0 1 1 0 8 0
mcl9k 9216 5 0 0 1 0 1 1 0 8 0
mcl8k 8192 11 0 0 2 0 2 2 0 8 0
mcl4k 4096 13 0 0 2 0 2 2 0 8 0
mcl2k2 2112 1 0 0 1 0 1 1 0 8 0
mcl2k 2048 187 0 0 22 0 22 22 0 8 0
mtagpl 80 66 0 0 2 0 2 2 0 8 0
mbufpl 256 410 0 0 20 0 20 20 0 8 0
bufpl 280 6226 0 141 435 0 435 435 0 8 0
anonpl 16 169636 0 153273 112 42 70 83 0 124 0
amapchunkpl 152 10309 0 10161 50 43 7 20 0 158 0
amappl16 192 8833 0 7942 97 52 45 57 0 8 0
amappl15 184 1 0 0 1 0 1 1 0 8 0
amappl14 176 1388 0 1382 1 0 1 1 0 8 0
amappl13 168 36 0 33 1 0 1 1 0 8 0
amappl12 160 8 0 6 1 0 1 1 0 8 0
amappl11 152 61 0 45 1 0 1 1 0 8 0
amappl10 144 128 0 120 1 0 1 1 0 8 0
amappl9 136 393 0 391 1 0 1 1 0 8 0
amappl8 128 376 0 339 2 0 2 2 0 8 0
amappl7 120 127 0 114 1 0 1 1 0 8 0
amappl6 112 28 0 23 2 1 1 1 0 8 0
amappl5 104 1583 0 1567 1 0 1 1 0 8 0
amappl4 96 509 0 484 1 0 1 1 0 8 0
amappl3 88 1470 0 1463 1 0 1 1 0 8 0
amappl2 80 12590 0 12516 2 0 2 2 0 8 0
amappl1 72 42111 0 41651 22 11 11 18 0 8 0
amappl 80 4560 0 4512 2 0 2 2 0 84 0
dma4096 4096 1 0 1 1 1 0 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 64 65 0 12 1 0 1 1 0 8 0
uaddrrnd 24 1724 0 1700 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 1724 0 1700 1 0 1 1 0 8 0
vmmpekpl 168 13196 0 13154 3 0 3 3 0 8 0
vmmpepl 168 207354 0 205276 150 57 93 122 0 357 0
vmsppl 368 1723 0 1700 3 0 3 3 0 8 0
pdppl 4096 3455 0 3408 7 1 6 7 0 8 0
pvpl 32 471600 0 451936 265 97 168 198 0 265 4
pmappl 232 1723 0 1700 3 1 2 2 0 8 0
extentpl 40 53 0 36 1 0 1 1 0 8 0
phpool 112 295 0 18 8 0 8 8 0 8 0
ddb{1}> machine ddbcpu 0
Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp
x86_ipi_db(ffffffff82718ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:352
x86_ipi_handler() at x86_ipi_handler+0xc6 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23
__mp_lock(ffffffff8290bd68) at __mp_lock+0x127 __mp_lock_spin sys/kern/kern_lock.c:116 [inline]
__mp_lock(ffffffff8290bd68) at __mp_lock+0x127 sys/kern/kern_lock.c:147
softintr_dispatch(0) at softintr_dispatch+0x4e sys/arch/amd64/amd64/softintr.c:89
Xsoftclock() at Xsoftclock+0x1f
end of kernel
end trace frame: 0xc0013025a8, count: 9
ddb{0}> trace
x86_ipi_db(ffffffff82718ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:352
x86_ipi_handler() at x86_ipi_handler+0xc6 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23
__mp_lock(ffffffff8290bd68) at __mp_lock+0x127 __mp_lock_spin sys/kern/kern_lock.c:116 [inline]
__mp_lock(ffffffff8290bd68) at __mp_lock+0x127 sys/kern/kern_lock.c:147
softintr_dispatch(0) at softintr_dispatch+0x4e sys/arch/amd64/amd64/softintr.c:89
Xsoftclock() at Xsoftclock+0x1f
end of kernel
end trace frame: 0xc0013025a8, count: -6
ddb{0}> machine ddbcpu 1
Stopped at db_enter+0x18: addq $0x8,%rsp
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398
panic(ffffffff82420d5a) at panic+0x15c sys/kern/subr_prf.c:207
free(ffff800000aa3000,2,a) at free+0x54c
wskbd_load_keymap(ffff80000007ec70,200,ffff800000657528,ffff800000657524) at wskbd_load_keymap+0x3e2 wskbd_init_keymap sys/dev/wscons/wskbdutil.c:385 [inline]
wskbd_load_keymap(ffff80000007ec70,200,ffff800000657528,ffff800000657524) at wskbd_load_keymap+0x3e2 sys/dev/wscons/wskbdutil.c:440
wskbd_displayioctl(ffff800000657400,80045710,ffff800021f27690,2,ffff800021f0b3a8) at wskbd_displayioctl+0xacb sys/dev/wscons/wskbd.c:1150
wskbd_do_ioctl_sc(ffff800000657400,80045710,ffff800021f27690,2,ffff800021f0b3a8) at wskbd_do_ioctl_sc+0x17c sys/dev/wscons/wskbd.c:986
wskbdioctl(4300,80045710,ffff800021f27690,2,ffff800021f0b3a8) at wskbdioctl+0x7c wskbd_do_ioctl sys/dev/wscons/wskbd.c:940 [inline]
wskbdioctl(4300,80045710,ffff800021f27690,2,ffff800021f0b3a8) at wskbdioctl+0x7c sys/dev/wscons/wskbd.c:928
VOP_IOCTL(fffffd806e2859c8,80045710,ffff800021f27690,2,fffffd807f7bf7e0,ffff800021f0b3a8) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:290
vn_ioctl(fffffd806ca39ef0,80045710,ffff800021f27690,ffff800021f0b3a8) at vn_ioctl+0xba sys/kern/vfs_vnops.c:531
sys_ioctl(ffff800021f0b3a8,ffff800021f277a8,ffff800021f277f0) at sys_ioctl+0x4a5
syscall(ffff800021f27870) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff800021f27870) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x4d432fc25e0, count: 3
ddb{1}> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398
panic(ffffffff82420d5a) at panic+0x15c sys/kern/subr_prf.c:207
free(ffff800000aa3000,2,a) at free+0x54c
wskbd_load_keymap(ffff80000007ec70,200,ffff800000657528,ffff800000657524) at wskbd_load_keymap+0x3e2 wskbd_init_keymap sys/dev/wscons/wskbdutil.c:385 [inline]
wskbd_load_keymap(ffff80000007ec70,200,ffff800000657528,ffff800000657524) at wskbd_load_keymap+0x3e2 sys/dev/wscons/wskbdutil.c:440
wskbd_displayioctl(ffff800000657400,80045710,ffff800021f27690,2,ffff800021f0b3a8) at wskbd_displayioctl+0xacb sys/dev/wscons/wskbd.c:1150
wskbd_do_ioctl_sc(ffff800000657400,80045710,ffff800021f27690,2,ffff800021f0b3a8) at wskbd_do_ioctl_sc+0x17c sys/dev/wscons/wskbd.c:986
wskbdioctl(4300,80045710,ffff800021f27690,2,ffff800021f0b3a8) at wskbdioctl+0x7c wskbd_do_ioctl sys/dev/wscons/wskbd.c:940 [inline]
wskbdioctl(4300,80045710,ffff800021f27690,2,ffff800021f0b3a8) at wskbdioctl+0x7c sys/dev/wscons/wskbd.c:928
VOP_IOCTL(fffffd806e2859c8,80045710,ffff800021f27690,2,fffffd807f7bf7e0,ffff800021f0b3a8) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:290
vn_ioctl(fffffd806ca39ef0,80045710,ffff800021f27690,ffff800021f0b3a8) at vn_ioctl+0xba sys/kern/vfs_vnops.c:531
sys_ioctl(ffff800021f0b3a8,ffff800021f277a8,ffff800021f277f0) at sys_ioctl+0x4a5
syscall(ffff800021f27870) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff800021f27870) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x4d432fc25e0, count: -12