uvm_fault(0xffffffff839bd678, 0xffff80000000424c, 0, 1) -> e
kernel: page fault trap, code=0
Stopped at wsmouseopen+0x78: movzbl 0x24c(%r14),%r12d
TID PID UID PRFLAGS PFLAGS CPU COMMAND
*116858 10130 0 0 0x4000000 0 syz-executor
wsmouseopen(4400,1,2000,ffff80002a7d27f0) at wsmouseopen+0x78 sys/dev/wscons/wsmouse.c:309
spec_open(ffff80002a7f5148) at spec_open+0x2d6 sys/kern/spec_vnops.c:150
VOP_OPEN(fffffd006fb63878,1,fffffd0007ffd618,ffff80002a7d27f0) at VOP_OPEN+0x82 sys/kern/vfs_vops.c:138
vn_open(ffff80002a7f53a0,1,0) at vn_open+0x7a5 sys/kern/vfs_vnops.c:183
doopenat(ffff80002a7d27f0,ffffff9c,200000000040,0,0,0,2529779ad1f2008a) at doopenat+0x352 sys/kern/vfs_syscalls.c:1163
sys_openat(ffff80002a7d27f0,ffff80002a7f5640,ffff80002a7f5590) at sys_openat+0x58 sys/kern/vfs_syscalls.c:1102
syscall(ffff80002a7f5640) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80002a7f5640) at syscall+0x962 sys/arch/amd64/amd64/trap.c:791
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xdbeb5831a40, count: 7
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: uvm_fault(0xffffffff839bd678, 0xffff80000000424c, 0, 1) -> e
ddb> show kasan
No such command
ddb> trace
wsmouseopen(4400,1,2000,ffff80002a7d27f0) at wsmouseopen+0x78 sys/dev/wscons/wsmouse.c:309
spec_open(ffff80002a7f5148) at spec_open+0x2d6 sys/kern/spec_vnops.c:150
VOP_OPEN(fffffd006fb63878,1,fffffd0007ffd618,ffff80002a7d27f0) at VOP_OPEN+0x82 sys/kern/vfs_vops.c:138
vn_open(ffff80002a7f53a0,1,0) at vn_open+0x7a5 sys/kern/vfs_vnops.c:183
doopenat(ffff80002a7d27f0,ffffff9c,200000000040,0,0,0,2529779ad1f2008a) at doopenat+0x352 sys/kern/vfs_syscalls.c:1163
sys_openat(ffff80002a7d27f0,ffff80002a7f5640,ffff80002a7f5590) at sys_openat+0x58 sys/kern/vfs_syscalls.c:1102
syscall(ffff80002a7f5640) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80002a7f5640) at syscall+0x962 sys/arch/amd64/amd64/trap.c:791
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xdbeb5831a40, count: -8
ddb> show registers
rdi 0
rsi 0x2
rbp 0xffff80002a7f50c0
rbx 0xffff80002a7d27f0
rdx 0
rcx 0
rax 0xffff80000002e310
r8 0x100
r9 0xfffffd0007ffd618
r10 0x87cb57dd2199df3e
r11 0x6968cd6e1322e9c
r12 0x2
r13 0
r14 0xffff800000004000
r15 0x1
rip 0xffffffff82ff8dd8 wsmouseopen+0x78
cs 0x8
rflags 0x10286 __ALIGN_SIZE+0xf286
rsp 0xffff80002a7f5080
ss 0x10
wsmouseopen+0x78: movzbl 0x24c(%r14),%r12d
ddb> show proc
PROC (syz-executor) tid=116858 pid=10130 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=0xffff80002a7d2fb8,0xffff80002a7d3260
process=0xffff800045ff9b18 user=0xffff80002a7f0000, vmspace=0xfffffd006d1bb8b0
estcpu=0, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0
ddb> ps
PID TID PPID UID S PRLAGS PFLAGS WAIT COMMAND
27693 369154 46286 0 2 0 0 syz-executor
32733 370041 45274 0 2 0 0 syz-executor
34464 31699 73025 0 2 0 0 syz-executor
31410 458320 31430 0 2 0 0 syz-executor
31410 201221 31430 0 3 0 0x4000080 fsleep syz-executor
31410 522568 31430 0 3 0 0x4000080 fsleep syz-executor
87160 83424 88944 0 2 0 0 syz-executor
10130 480716 79965 0 2 0 0 syz-executor
*10130 116858 79965 0 7 0 0x4000000 syz-executor
28445 26915 22678 0 2 0x2 0 syz-executor
31430 70511 22678 0 2 0x2 0xc80 syz-executor
77610 123771 22678 0 3 0x2 0x80 piperd syz-executor
79965 479823 22678 0 2 0x2 0xc80 syz-executor
45274 445438 22678 0 3 0x2 0x80 nanoslp syz-executor
46286 251944 22678 0 3 0x2 0x80 nanoslp syz-executor
73025 177475 22678 0 2 0x2 0xc80 syz-executor
88944 162816 22678 0 2 0x2 0xc80 syz-executor
22678 482419 4501 0 2 0x2 0 syz-executor
4501 429278 8221 0 3 0x100002 0x88 sigsusp ksh
8221 203734 21738 0 3 0x10 0x88 kqread sshd-session
21738 444063 59816 0 3 0x12 0x80 kqread sshd-session
89702 188469 1 0 3 0x100003 0x80 ttyin getty
59816 50026 1 0 3 0 0x88 kqread sshd
94566 165571 10087 73 3 0x1100010 0x80 kqread syslogd
10087 384792 1 0 3 0x100002 0x80 sbwait syslogd
17520 495619 1 0 3 0x100000 0x80 kqread resolvd
43879 251061 97743 77 3 0x100012 0x80 kqread dhcpleased
85946 436289 97743 77 3 0x100012 0x80 kqread dhcpleased
97743 249864 1 0 3 0 0x80 kqread dhcpleased
39907 490701 0 0 3 0x14000 0x200 bored smr
40462 319830 0 0 2 0x14000 0x200 zerothread
74689 76288 0 0 3 0x14000 0x200 aiodoned aiodoned
2055 515521 0 0 3 0x14000 0x200 syncer update
27160 161943 0 0 3 0x14000 0x200 cleaner cleaner
14665 333014 0 0 3 0x14000 0x200 reaper reaper
35764 92775 0 0 3 0x14000 0x200 pgdaemon pagedaemon
97205 7855 0 0 3 0x14000 0x200 bored viomb
54101 55010 0 0 3 0x14000 0x40000200 acpi0 acpi0
45811 5187 0 0 2 0x14000 0x200 softnet0
83130 323049 0 0 3 0x14000 0x200 smrbar systqmp
28233 390054 0 0 3 0x14000 0x200 bored systq
64221 31563 0 0 3 0x14000 0x40000200 tmoslp softclock
87553 72331 0 0 3 0x14000 0x40000200 idle0
1 76615 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 11033 12101K 12175K 166960K 12191 0
pcb 17 12K 12K 166960K 25 0
rtable 216 6K 8K 166960K 639 0
pf 28 12K 16K 166960K 68 0
ifaddr 38 6K 7K 166960K 84 0
ifgroup 46 2K 2K 166960K 90 0
sysctl 1 1K 9K 166960K 5 0
counters 32 17K 17K 166960K 44 0
ioctlops 0 0K 4K 166960K 45 0
iov 0 0K 1K 166960K 3 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1293 81K 81K 166960K 1482 0
UFS quota 1 32K 32K 166960K 1 0
UFS mount 5 36K 36K 166960K 5 0
shm 2 1K 5K 166960K 7 0
VM map 2 1K 1K 166960K 2 0
sem 5 0K 0K 166960K 7 0
dirhash 12 2K 2K 166960K 12 0
ACPI 1734 201K 291K 166960K 11964 0
file desc 16 57K 93K 166960K 331 0
sigio 0 0K 0K 166960K 1 0
proc 59 59K 91K 166960K 755 0
subproc 67 4K 4K 166960K 157 0
NFS srvsock 1 0K 0K 166960K 1 0
NFS daemon 1 16K 16K 166960K 1 0
ip_moptions 0 0K 0K 166960K 5 0
in_multi 88 5K 6K 166960K 198 0
ether_multi 1 0K 0K 166960K 1 0
mrt 0 0K 0K 166960K 3 0
ISOFS mount 1 32K 32K 166960K 1 0
MSDOSFS mount 1 16K 16K 166960K 1 0
ttys 85 387K 387K 166960K 85 0
exec 0 0K 1K 166960K 485 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 186 158K 166K 166960K 4113 0
UVM aobj 4 2K 2K 166960K 4 0
pinsyscall 37 74K 94K 166960K 1662 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
ip6_options 0 0K 0K 166960K 1 0
NDP 14 0K 2K 166960K 56 0
temp 33 9106K 9170K 166960K 4820 0
kqueue 14 22K 22K 166960K 33 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 56 0 53 1 0 1 1 0 8 0
rtentry 136 210 0 111 4 0 4 4 0 8 0
unpcb 144 56 0 41 1 0 1 1 0 8 0
syncache 336 6 0 6 1 0 1 1 0 8 1
tcpcb 736 26 0 22 1 0 1 1 0 8 0
arp 96 36 0 20 1 0 1 1 0 8 0
inpcb 328 134 0 127 2 0 2 2 0 8 1
nd6 112 51 0 30 1 0 1 1 0 8 0
kcovpl 48 17 0 10 1 0 1 1 0 8 0
ppxss 1072 2 0 2 1 0 1 1 0 8 1
pfrktable 1344 7 0 7 1 0 1 1 0 8 1
pfanchor 1288 3 0 3 1 0 1 1 0 8 1
pftag 88 1 0 1 1 0 1 1 0 8 1
pfrule 1360 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 256 851 0 396 31 0 31 31 0 8 2
art_table 40 852 0 396 6 0 6 6 0 8 0
art_node 32 210 0 119 1 0 1 1 0 8 0
sysvmsgpl 40 1 0 1 1 0 1 1 0 8 1
semapl 72 5 0 2 1 0 1 1 0 8 0
shmpl 112 1 0 0 1 0 1 1 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 1673 0 192 93 0 93 93 0 8 0
ffsino 256 1673 0 192 93 0 93 93 0 8 0
nchpl 144 1947 0 222 65 0 65 65 0 8 0
vnodes 216 1859 0 0 104 0 104 104 0 8 0
namei 1024 7650 0 7650 2 0 2 2 0 8 2
pfiaddrpl 120 2 0 2 1 0 1 1 0 8 1
kstatmem 264 45 0 24 2 0 2 2 0 8 0
scxspl 216 6521 0 6521 3 0 3 3 1 8 3
plimitpl 152 304 0 288 1 0 1 1 0 8 0
sigapl 424 605 0 564 6 0 6 6 0 8 0
knotepl 120 3531 0 3482 2 0 2 2 0 8 0
kqueuepl 184 43 0 32 1 0 1 1 0 8 0
pipepl 304 155 0 128 3 0 3 3 0 8 0
fdescpl 448 592 0 564 5 0 5 5 0 8 1
filepl 120 2214 0 2015 8 0 8 8 0 8 0
lockfpl 104 26 0 24 1 0 1 1 0 8 0
lockfspl 48 13 0 11 1 0 1 1 0 8 0
sessionpl 144 99 0 91 1 0 1 1 0 8 0
pgrppl 48 117 0 101 1 0 1 1 0 8 0
ucredpl 104 195 0 184 1 0 1 1 0 8 0
zombiepl 144 564 0 564 1 0 1 1 0 8 1
processpl 1152 605 0 564 4 0 4 4 0 8 0
procpl 664 720 0 676 6 0 6 6 0 8 1
sockpl 552 247 0 222 3 0 3 3 0 8 1
mcl64k 65536 1 0 1 1 0 1 1 0 8 1
mcl16k 16384 1 0 1 1 0 1 1 0 8 1
mcl12k 12288 1 0 0 1 0 1 1 0 8 0
mcl8k 8192 4 0 4 1 0 1 1 0 8 1
mcl4k 4096 2555 0 2498 14 0 14 14 0 8 6
mcl2k 2048 451 0 451 1 0 1 1 0 8 1
mextrefs 64 80 0 79 1 0 1 1 0 8 0
mtagpl 96 4 0 4 1 0 1 1 0 8 1
mbufpl 256 5478 0 5338 10 0 10 10 0 8 0
bufpl 272 2305 0 102 147 0 147 147 0 8 0
anonpl 24 96437 0 93652 21 0 21 21 0 187 1
amapchunkpl 152 11214 0 10857 21 0 21 21 0 158 6
amappl16 200 1366 0 1349 4 0 4 4 0 8 2
amappl15 192 7 0 7 1 0 1 1 0 8 1
amappl14 184 526 0 525 1 0 1 1 0 8 0
amappl13 176 131 0 121 1 0 1 1 0 8 0
amappl12 168 874 0 849 2 0 2 2 0 8 0
amappl11 160 5 0 5 1 0 1 1 0 8 1
amappl10 152 55 0 45 1 0 1 1 0 8 0
amappl9 144 275 0 275 1 0 1 1 0 8 1
amappl8 136 145 0 144 1 0 1 1 0 8 0
amappl7 128 159 0 148 1 0 1 1 0 8 0
amappl6 120 321 0 320 1 0 1 1 0 8 0
amappl5 112 93 0 86 1 0 1 1 0 8 0
amappl4 104 296 0 280 1 0 1 1 0 8 0
amappl3 96 2058 0 1991 3 0 3 3 0 8 0
amappl2 88 668 0 603 2 0 2 2 0 8 0
amappl1 80 11514 0 10975 13 0 13 13 0 8 0
amappl 88 3261 0 3138 4 0 4 4 0 92 0
uvmvnodes 80 97 0 0 2 0 2 2 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
dma512 512 1 0 1 1 0 1 1 0 8 1
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 3 0 0 1 0 1 1 0 8 0
uaddrrnd 24 592 0 564 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 592 0 564 1 0 1 1 0 8 0
vmmpekpl 168 6498 0 6450 3 0 3 3 0 8 0
vmmpepl 168 46875 0 45221 82 0 82 82 0 357 7
vmsppl 368 591 0 564 4 0 4 4 0 8 1
rwobjpl 40 16230 0 15350 11 0 11 11 0 8 1
pdppl 4096 1190 0 1128 106 38 68 80 0 8 6
pvpl 32 256116 0 248843 78 0 78 78 0 265 7
pmappl 216 591 0 564 3 0 3 3 0 8 1
extentpl 40 46 0 28 1 0 1 1 0 8 0
phpool 112 520 0 38 14 0 14 14 0 8 0
ddb> machine ddbcpu 0
No such command
ddb> trace
wsmouseopen(4400,1,2000,ffff80002a7d27f0) at wsmouseopen+0x78 sys/dev/wscons/wsmouse.c:309
spec_open(ffff80002a7f5148) at spec_open+0x2d6 sys/kern/spec_vnops.c:150
VOP_OPEN(fffffd006fb63878,1,fffffd0007ffd618,ffff80002a7d27f0) at VOP_OPEN+0x82 sys/kern/vfs_vops.c:138
vn_open(ffff80002a7f53a0,1,0) at vn_open+0x7a5 sys/kern/vfs_vnops.c:183
doopenat(ffff80002a7d27f0,ffffff9c,200000000040,0,0,0,2529779ad1f2008a) at doopenat+0x352 sys/kern/vfs_syscalls.c:1163
sys_openat(ffff80002a7d27f0,ffff80002a7f5640,ffff80002a7f5590) at sys_openat+0x58 sys/kern/vfs_syscalls.c:1102
syscall(ffff80002a7f5640) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80002a7f5640) at syscall+0x962 sys/arch/amd64/amd64/trap.c:791
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xdbeb5831a40, count: -8
ddb> machine ddbcpu 1
No such command
ddb> trace
wsmouseopen(4400,1,2000,ffff80002a7d27f0) at wsmouseopen+0x78 sys/dev/wscons/wsmouse.c:309
spec_open(ffff80002a7f5148) at spec_open+0x2d6 sys/kern/spec_vnops.c:150
VOP_OPEN(fffffd006fb63878,1,fffffd0007ffd618,ffff80002a7d27f0) at VOP_OPEN+0x82 sys/kern/vfs_vops.c:138
vn_open(ffff80002a7f53a0,1,0) at vn_open+0x7a5 sys/kern/vfs_vnops.c:183
doopenat(ffff80002a7d27f0,ffffff9c,200000000040,0,0,0,2529779ad1f2008a) at doopenat+0x352 sys/kern/vfs_syscalls.c:1163
sys_openat(ffff80002a7d27f0,ffff80002a7f5640,ffff80002a7f5590) at sys_openat+0x58 sys/kern/vfs_syscalls.c:1102
syscall(ffff80002a7f5640) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80002a7f5640) at syscall+0x962 sys/arch/amd64/amd64/trap.c:791
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xdbeb5831a40, count: -8