kernel: protection fault trap, code=0
Stopped at free+0x3bc: movq 0x8(%r13),%r13
ddb>
ddb> set $lines = 0
ddb> set $maxwidth = 0
ddb> show panic
the kernel did not panic
ddb> show kasan
No such command
ddb> trace
free(ffff800000c57ad0,2,8) at free+0x3bc sys/kern/kern_malloc.c:458
wsmouse_param_ioctl(ffff8000002a4800,80105727,200000000100,1) at wsmouse_param_ioctl+0x219 sys/dev/wscons/wsmouse.c:469
wsmouseioctl(4400,80105727,ffff80003c905c90,2,ffff800035cd0a80) at wsmouseioctl+0x7a wsmousedoioctl sys/dev/wscons/wsmouse.c:430 [inline]
wsmouseioctl(4400,80105727,ffff80003c905c90,2,ffff800035cd0a80) at wsmouseioctl+0x7a sys/dev/wscons/wsmouse.c:417
VOP_IOCTL(fffffd806f55ad88,80105727,ffff80003c905c90,2,fffffd8007ffd6e8,ffff800035cd0a80) at VOP_IOCTL+0xa3 sys/kern/vfs_vops.c:264
vn_ioctl(fffffd806dccd448,80105727,ffff80003c905c90,ffff800035cd0a80) at vn_ioctl+0xea sys/kern/vfs_vnops.c:537
sys_ioctl(ffff800035cd0a80,ffff80003c905e60,ffff80003c905db0) at sys_ioctl+0x660 sys/kern/sys_generic.c:-1
syscall(ffff80003c905e60) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80003c905e60) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x672fde0ba10, count: -8
ddb> show registers
rdi 0xffff80002a8a6000
rsi 0x8f
rbp 0xffff80003c9059d0
rbx 0x20c2a5d3c9761a17
rdx 0xffff80002a8a6000
rcx 0x8e
rax 0xffffffff8294555a free+0x3ca
r8 0x7f7fffffc000
r9 0xffff800035cd0a80
r10 0x9071a173f56f951f
r11 0xec1e92f944842fac
r12 0xc34
r13 0x20c2a5d3a321038a
r14 0xffff800000c57ad0
r15 0xffffffff83a8a1d0 bucket+0x120
rip 0xffffffff8294554c free+0x3bc
cs 0x8
rflags 0x10203 __ALIGN_SIZE+0xf203
rsp 0xffff80003c905950
ss 0x10
free+0x3bc: movq 0x8(%r13),%r13
ddb> show proc
PROC (syz-executor) tid=69537 pid=18185 tcnt=2 stat=onproc
flags process=0 proc=4000000<THREAD>
runpri=32, usrpri=50, slppri=32, nice=20
wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0
forw=0xffffffffffffffff, list=0xffff800035cd0550,0xffffffff83acc900
process=0xffff800045ffb618 user=0xffff80003c900000, vmspace=0xfffffd800e0a15d8
estcpu=36, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0
ddb> ps
PID TID PPID UID S FLAGS WAIT COMMAND
18185 245556 92390 0 2 0 syz-executor
*18185 69537 92390 0 7 0x4000000 syz-executor
2238 329071 20580 60929 2 0x10 syz-executor
2238 22102 20580 60929 3 0x4000090 fsleep syz-executor
96146 339903 32098 0 2 0 syz-executor
96146 295386 32098 0 3 0x4000080 fsleep syz-executor
87254 323392 73087 0 2 0x10 syz-executor
87254 249267 73087 0 2 0x4000010 syz-executor
86890 353373 20402 0 2 0 syz-executor
86890 450548 20402 0 2 0x4000c80 syz-executor
62825 195999 92145 0 2 0 syz-executor
62825 175273 92145 0 3 0x4000080 fsleep syz-executor
37987 172069 46979 0 2 0 syz-executor
37987 143963 46979 0 3 0x4000080 kqsel syz-executor
48822 247197 53842 0 3 0x90 nanoslp syz-executor
48822 311443 53842 0 2 0x4000010 syz-executor
48822 235800 53842 0 3 0x4000090 fsleep syz-executor
73087 340494 43672 0 2 0xc82 syz-executor
20580 450167 43672 0 3 0x82 nanoslp syz-executor
53842 345556 43672 0 3 0x82 nanoslp syz-executor
32098 446597 43672 0 2 0xc82 syz-executor
46979 459550 43672 0 3 0x82 nanoslp syz-executor
92145 28529 43672 0 2 0xc82 syz-executor
20402 369489 43672 0 2 0xc82 syz-executor
92390 255670 43672 0 3 0x82 nanoslp syz-executor
43672 246183 61884 0 3 0x82 kqread syz-executor
61884 240193 64954 0 3 0x10008a sigsusp ksh
64954 231109 55751 0 3 0x98 kqread sshd-session
55751 227197 68378 0 3 0x92 kqread sshd-session
17769 223208 1 0 3 0x100083 ttyin getty
68378 499307 1 0 3 0x88 kqread sshd
40297 10737 21137 73 3 0x1100090 kqread syslogd
21137 510324 1 0 3 0x100082 sbwait syslogd
2423 467243 1 0 3 0x100080 kqread resolvd
82541 352993 9981 77 3 0x100092 kqread dhcpleased
79540 146920 9981 77 3 0x100092 kqread dhcpleased
9981 320469 1 0 3 0x80 kqread dhcpleased
30940 276268 0 0 3 0x14200 bored smr
97749 65756 0 0 2 0x14200 zerothread
51393 48782 0 0 3 0x14200 aiodoned aiodoned
47658 427663 0 0 3 0x14200 syncer update
41257 261469 0 0 3 0x14200 cleaner cleaner
90171 34108 0 0 3 0x14200 reaper reaper
83107 372821 0 0 3 0x14200 pgdaemon pagedaemon
5373 192909 0 0 3 0x14200 bored viomb
10480 89873 0 0 3 0x40014200 acpi0 acpi0
81825 520754 0 0 3 0x14200 bored softnet0
40895 41336 0 0 3 0x14200 bored systqmp
73470 138702 0 0 3 0x14200 bored systq
67883 14389 0 0 3 0x40014200 tmoslp softclock
17074 154689 0 0 3 0x40014200 idle0
1 322296 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb> show all locks
No such command
ddb> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 11042 12207K 12396K 166960K 12315 0
pcb 18 12K 12K 166960K 41 0
rtable 247 7K 8K 166960K 372 0
pf 33 13K 93K 166960K 61 0
ifaddr 42 7K 7K 166960K 58 0
ifgroup 50 2K 2K 166960K 77 0
sysctl 3 1K 9K 166960K 7 0
counters 33 17K 18K 166960K 47 0
ioctlops 0 0K 4K 166960K 51 0
iov 0 0K 13K 166960K 2 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1358 85K 86K 166960K 1507 0
UFS quota 1 32K 32K 166960K 1 0
UFS mount 5 36K 36K 166960K 5 0
shm 2 1K 1K 166960K 2 0
VM map 2 1K 1K 166960K 2 0
sem 8 0K 0K 166960K 9 0
dirhash 12 2K 2K 166960K 18 0
ACPI 1734 201K 291K 166960K 11964 0
file desc 18 65K 97K 166960K 237 0
sigio 0 0K 0K 166960K 3 0
proc 59 59K 91K 166960K 524 0
subproc 72 4K 4K 166960K 72 0
NFS srvsock 1 0K 0K 166960K 1 0
NFS daemon 1 16K 16K 166960K 1 0
ip_moptions 2 0K 0K 166960K 11 0
in_multi 100 7K 7K 166960K 100 0
ether_multi 1 0K 0K 166960K 2 0
mrt 0 0K 0K 166960K 6 0
ISOFS mount 1 32K 32K 166960K 1 0
MSDOSFS mount 1 16K 16K 166960K 1 0
ttys 49 228K 228K 166960K 49 0
exec 0 0K 2K 166960K 473 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 225 150K 160K 166960K 3852 0
UVM aobj 5 2K 2K 166960K 5 0
pinsyscall 39 78K 95K 166960K 1347 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
ip6_options 0 0K 0K 166960K 4 0
NDP 11 0K 2K 166960K 39 0
temp 38 9110K 9174K 166960K 4003 0
kqueue 14 20K 30K 166960K 49 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 43 0 40 1 0 1 1 0 8 0
rtentry 136 116 0 3 4 0 4 4 0 8 0
unpcb 144 74 0 59 1 0 1 1 0 8 0
syncache 336 6 0 6 1 0 1 1 0 8 1
tcpqe 32 4 0 4 1 0 1 1 0 8 1
tcpcb 736 50 0 40 2 0 2 2 0 8 0
arp 96 18 0 0 1 0 1 1 0 8 0
inpcb 328 156 0 139 2 0 2 2 0 8 0
ip6q 72 3 0 2 1 0 1 1 0 8 0
ip6af 40 5 0 4 1 0 1 1 0 8 0
nd6 112 27 0 0 1 0 1 1 0 8 0
kcovpl 48 8 0 0 1 0 1 1 0 8 0
ppxss 1072 13 0 13 1 0 1 1 0 8 1
pfstscr 40 4 0 4 1 0 1 1 0 8 1
pfstkey 128 4 0 4 1 0 1 1 0 8 1
pfstate 384 2 0 2 1 0 1 1 0 8 1
rttmr 136 2 0 2 1 0 1 1 0 8 1
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 473 0 13 30 0 30 30 0 8 0
art_table 40 474 0 13 5 0 5 5 0 8 0
art_node 32 116 0 13 1 0 1 1 0 8 0
sysvmsgpl 40 1 0 0 1 0 1 1 0 8 0
semapl 72 7 0 1 1 0 1 1 0 8 0
shmpl 112 2 0 0 1 0 1 1 0 8 0
dirhash 1024 21 0 4 3 0 3 3 0 8 0
dino2pl 256 1767 0 308 92 0 92 92 0 8 0
ffsino 256 1767 0 308 92 0 92 92 0 8 0
nchpl 144 2097 0 399 64 0 64 64 0 8 0
rtmask 32 2 0 2 1 0 1 1 0 8 1
vnodes 216 1955 0 0 109 0 109 109 0 8 0
namei 1024 6818 0 6818 2 0 2 2 0 8 2
kstatmem 264 47 0 24 2 0 2 2 0 8 0
scxspl 216 7242 0 7242 8 0 8 8 1 8 8
plimitpl 152 40 0 22 1 0 1 1 0 8 0
sigapl 424 535 0 492 6 0 6 6 0 8 1
knotepl 120 6491 0 6443 9 0 9 9 0 8 7
kqueuepl 184 54 0 43 1 0 1 1 0 8 0
pipepl 304 160 0 133 5 0 5 5 0 8 2
fdescpl 448 522 0 492 5 0 5 5 0 8 1
filepl 120 2119 0 1893 9 0 9 9 0 8 2
lockfpl 104 83 0 80 1 0 1 1 0 8 0
lockfspl 48 30 0 27 1 0 1 1 0 8 0
sessionpl 144 25 0 17 1 0 1 1 0 8 0
pgrppl 48 34 0 18 1 0 1 1 0 8 0
ucredpl 104 194 0 180 1 0 1 1 0 8 0
zombiepl 144 492 0 492 1 0 1 1 0 8 1
processpl 1152 535 0 492 4 0 4 4 0 8 0
procpl 664 701 0 649 6 0 6 6 0 8 1
sosppl 176 2 0 2 1 0 1 1 0 8 1
sockpl 552 279 0 244 4 0 4 4 0 8 1
mcl64k 65536 4 0 3 1 0 1 1 0 8 0
mcl8k 8192 6 0 6 1 0 1 1 0 8 1
mcl4k 4096 2608 0 2557 13 0 13 13 0 8 6
mcl2k 2048 207 0 204 1 0 1 1 0 8 0
mextrefs 64 88 0 87 1 0 1 1 0 8 0
mtagpl 96 6 0 4 1 0 1 1 0 8 0
mbufpl 256 5448 0 5279 22 0 22 22 0 8 8
bufpl 272 2409 0 104 154 0 154 154 0 8 0
anonpl 24 89848 0 86606 21 0 21 21 0 187 0
amapchunkpl 152 11343 0 10854 33 0 33 33 0 158 14
amappl16 200 1355 0 1325 4 0 4 4 0 8 2
amappl15 192 3 0 3 1 0 1 1 0 8 1
amappl14 184 412 0 411 1 0 1 1 0 8 0
amappl13 176 116 0 106 1 0 1 1 0 8 0
amappl12 168 759 0 730 2 0 2 2 0 8 0
amappl11 160 29 0 29 1 0 1 1 0 8 1
amappl10 152 55 0 45 1 0 1 1 0 8 0
amappl9 144 273 0 273 1 0 1 1 0 8 1
amappl8 136 92 0 91 1 0 1 1 0 8 0
amappl7 128 142 0 131 1 0 1 1 0 8 0
amappl6 120 150 0 147 1 0 1 1 0 8 0
amappl5 112 182 0 175 1 0 1 1 0 8 0
amappl4 104 265 0 249 1 0 1 1 0 8 0
amappl3 96 2048 0 1934 4 0 4 4 0 8 0
amappl2 88 524 0 471 2 0 2 2 0 8 0
amappl1 80 10514 0 9957 13 0 13 13 0 8 1
amappl 88 3144 0 2981 5 0 5 5 0 92 1
uvmvnodes 80 99 0 0 3 0 3 3 0 8 0
dma4096 4096 1 0 1 1 0 1 1 0 8 1
dma1024 1024 1 0 0 1 0 1 1 0 8 0
dma256 256 6 0 6 1 0 1 1 0 8 1
dma128 128 253 0 253 1 0 1 1 0 8 1
dma64 64 6 0 6 1 0 1 1 0 8 1
dma32 32 7 0 7 1 0 1 1 0 8 1
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 24 522 0 492 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 522 0 492 1 0 1 1 0 8 0
vmmpekpl 168 6103 0 6073 2 0 2 2 0 8 0
vmmpepl 168 41687 0 39862 81 0 81 81 0 357 0
vmsppl 368 521 0 492 4 0 4 4 0 8 1
rwobjpl 40 14685 0 13733 11 0 11 11 0 8 0
pdppl 4096 1050 0 984 100 34 66 82 0 8 0
pvpl 32 238067 0 228989 79 0 79 79 0 265 2
pmappl 216 521 0 492 3 0 3 3 0 8 0
extentpl 40 46 0 28 1 0 1 1 0 8 0
phpool 112 527 0 34 15 0 15 15 0 8 0
ddb> machine ddbcpu 0
No such command
ddb> trace
free(ffff800000c57ad0,2,8) at free+0x3bc sys/kern/kern_malloc.c:458
wsmouse_param_ioctl(ffff8000002a4800,80105727,200000000100,1) at wsmouse_param_ioctl+0x219 sys/dev/wscons/wsmouse.c:469
wsmouseioctl(4400,80105727,ffff80003c905c90,2,ffff800035cd0a80) at wsmouseioctl+0x7a wsmousedoioctl sys/dev/wscons/wsmouse.c:430 [inline]
wsmouseioctl(4400,80105727,ffff80003c905c90,2,ffff800035cd0a80) at wsmouseioctl+0x7a sys/dev/wscons/wsmouse.c:417
VOP_IOCTL(fffffd806f55ad88,80105727,ffff80003c905c90,2,fffffd8007ffd6e8,ffff800035cd0a80) at VOP_IOCTL+0xa3 sys/kern/vfs_vops.c:264
vn_ioctl(fffffd806dccd448,80105727,ffff80003c905c90,ffff800035cd0a80) at vn_ioctl+0xea sys/kern/vfs_vnops.c:537
sys_ioctl(ffff800035cd0a80,ffff80003c905e60,ffff80003c905db0) at sys_ioctl+0x660 sys/kern/sys_generic.c:-1
syscall(ffff80003c905e60) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80003c905e60) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x672fde0ba10, count: -8
ddb> machine ddbcpu 1
No such command
ddb> trace
free(ffff800000c57ad0,2,8) at free+0x3bc sys/kern/kern_malloc.c:458
wsmouse_param_ioctl(ffff8000002a4800,80105727,200000000100,1) at wsmouse_param_ioctl+0x219 sys/dev/wscons/wsmouse.c:469
wsmouseioctl(4400,80105727,ffff80003c905c90,2,ffff800035cd0a80) at wsmouseioctl+0x7a wsmousedoioctl sys/dev/wscons/wsmouse.c:430 [inline]
wsmouseioctl(4400,80105727,ffff80003c905c90,2,ffff800035cd0a80) at wsmouseioctl+0x7a sys/dev/wscons/wsmouse.c:417
VOP_IOCTL(fffffd806f55ad88,80105727,ffff80003c905c90,2,fffffd8007ffd6e8,ffff800035cd0a80) at VOP_IOCTL+0xa3 sys/kern/vfs_vops.c:264
vn_ioctl(fffffd806dccd448,80105727,ffff80003c905c90,ffff800035cd0a80) at vn_ioctl+0xea sys/kern/vfs_vnops.c:537
sys_ioctl(ffff800035cd0a80,ffff80003c905e60,ffff80003c905db0) at sys_ioctl+0x660 sys/kern/sys_generic.c:-1
syscall(ffff80003c905e60) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80003c905e60) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x672fde0ba10, count: -8