panic: vmxon failed
Stopped at db_enter+0x1c: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
371852 65321 0 0x8000000 0x4000000 1 syz-executor.2
*171513 65321 0 0x8000000 0x4000000 0 syz-executor.2
db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff82881053) at panic+0x17b sys/kern/subr_prf.c:198
start_vmm_on_cpu(ffffffff82d17ff0) at start_vmm_on_cpu+0x1d3 sys/arch/amd64/amd64/vmm_machdep.c:1106
x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27
vmxon() at vmxon+0x16
vmm_start() at vmm_start+0x58 sys/arch/amd64/amd64/vmm_machdep.c:959
vmmioctl(a00,c2585601,ffff800000da7c00,1,ffff80002a22c7d8) at vmmioctl+0x1d3 sys/dev/vmm/vmm.c:235
VOP_IOCTL(fffffd806e3f3290,c2585601,ffff800000da7c00,1,fffffd807f7d77b8,ffff80002a22c7d8) at VOP_IOCTL+0x97 sys/kern/vfs_vops.c:264
vn_ioctl(fffffd8068b38130,c2585601,ffff800000da7c00,ffff80002a22c7d8) at vn_ioctl+0xc0 sys/kern/vfs_vnops.c:525
sys_ioctl(ffff80002a22c7d8,ffff80002a38e1a0,ffff80002a38e0f0) at sys_ioctl+0x4a9
syscall(ffff80002a38e1a0) at syscall+0x8cf mi_syscall sys/sys/syscall_mi.h:180 [inline]
syscall(ffff80002a38e1a0) at syscall+0x8cf sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xd025ca271a0, 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{0}>
ddb{0}> set $lines = 0
ddb{0}> set $maxwidth = 0
ddb{0}> show panic
*cpu0: vmxon failed
ddb{0}> trace
db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff82881053) at panic+0x17b sys/kern/subr_prf.c:198
start_vmm_on_cpu(ffffffff82d17ff0) at start_vmm_on_cpu+0x1d3 sys/arch/amd64/amd64/vmm_machdep.c:1106
x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27
vmxon() at vmxon+0x16
vmm_start() at vmm_start+0x58 sys/arch/amd64/amd64/vmm_machdep.c:959
vmmioctl(a00,c2585601,ffff800000da7c00,1,ffff80002a22c7d8) at vmmioctl+0x1d3 sys/dev/vmm/vmm.c:235
VOP_IOCTL(fffffd806e3f3290,c2585601,ffff800000da7c00,1,fffffd807f7d77b8,ffff80002a22c7d8) at VOP_IOCTL+0x97 sys/kern/vfs_vops.c:264
vn_ioctl(fffffd8068b38130,c2585601,ffff800000da7c00,ffff80002a22c7d8) at vn_ioctl+0xc0 sys/kern/vfs_vnops.c:525
sys_ioctl(ffff80002a22c7d8,ffff80002a38e1a0,ffff80002a38e0f0) at sys_ioctl+0x4a9
syscall(ffff80002a38e1a0) at syscall+0x8cf mi_syscall sys/sys/syscall_mi.h:180 [inline]
syscall(ffff80002a38e1a0) at syscall+0x8cf sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xd025ca271a0, count: -13
ddb{0}> show registers
rdi 0
rsi 0x1
rbp 0xffff80002a38dad0
rbx 0xffffffff82d18cbf cpu_info_full_primary+0x2cbf
rdx 0x3fd
rcx 0
rax 0x14
r8 0x101010101010101
r9 0x8080808080808080
r10 0xcf8c863b15344600
r11 0xcdbd10c671d1d92
r12 0xffffffff82d18ac0 cpu_info_full_primary+0x2ac0
r13 0
r14 0
r15 0x1
rip 0xffffffff823982bc db_enter+0x1c
cs 0x8
rflags 0x246
rsp 0xffff80002a38dac0
ss 0x10
db_enter+0x1c: addq $0x8,%rsp
ddb{0}> show proc
PROC (syz-executor.2) tid=171513 pid=65321 tcnt=3 stat=onproc
flags process=8000000 proc=4000000<THREAD>
runpri=32, usrpri=51, slppri=32, nice=20
wchan=0x0, wmesg=, ps_single=0x0
forw=0xffffffffffffffff, list=0xffff80002a22d9c8,0xffff8000ffffd4a0
process=0xffff8000ffff0900 user=0xffff80002a389000, vmspace=0xfffffd80690eb1c0
estcpu=36, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0
ddb{0}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
57221 495241 77843 0 2 0x8000002 sh
98089 152931 69176 0 2 0x8000040 syz-executor.3
65321 424246 30503 0 2 0x8000000 syz-executor.2
65321 371852 30503 0 7 0xc000000 syz-executor.2
*65321 171513 30503 0 7 0xc000000 syz-executor.2
44149 490311 90372 0 2 0x8000000 syz-executor.6
44149 502194 90372 0 2 0xc000000 syz-executor.6
44149 50614 90372 0 3 0xc000080 fsleep syz-executor.6
28500 163427 79201 0 2 0x8000002 ifconfig
43815 161334 19940 0 2 0x8000002 sh
79201 215953 46132 0 3 0x810008a sigsusp sh
70503 243151 46682 0 2 0x8100002 sh
59265 266067 94657 0 2 0x8000002 ifconfig
94657 27661 38889 0 3 0x810008a sigsusp sh
77843 427873 64038 0 3 0x8000082 wait syz-executor.7
19940 484662 64038 0 3 0x8000082 wait syz-executor.5
30503 319289 64038 0 3 0x8000082 nanoslp syz-executor.2
46132 397294 64038 0 3 0x8000082 wait syz-executor.4
90372 288049 64038 0 3 0x8000082 nanoslp syz-executor.6
69176 172855 64038 0 3 0x8000082 ppwait syz-executor.3
38889 356031 64038 0 3 0x8000082 wait syz-executor.0
46682 152722 64038 0 3 0x8000082 wait syz-executor.1
64038 473475 11101 0 3 0x1a000082 thrsleep syz-execprog
64038 364525 11101 0 3 0x1e000082 thrsleep syz-execprog
64038 495018 11101 0 3 0x1e000082 wait syz-execprog
64038 157914 11101 0 3 0x1e000082 wait syz-execprog
64038 346660 11101 0 3 0x1e000082 wait syz-execprog
64038 428349 11101 0 3 0x1e000082 wait syz-execprog
64038 378489 11101 0 3 0x1e000082 thrsleep syz-execprog
64038 465915 11101 0 3 0x1e000082 wait syz-execprog
64038 178067 11101 0 3 0x1e000082 wait syz-execprog
64038 263529 11101 0 3 0x1e000082 wait syz-execprog
64038 158255 11101 0 3 0x1e000082 thrsleep syz-execprog
64038 416813 11101 0 3 0x1e000082 wait syz-execprog
64038 21699 11101 0 3 0x1e000082 thrsleep syz-execprog
64038 68133 11101 0 3 0x1e000082 kqread syz-execprog
64038 315714 11101 0 3 0x1e000082 thrsleep syz-execprog
11101 458466 23946 0 3 0x810008a sigsusp ksh
23946 120201 690 0 3 0x1800009a kqread sshd
45575 253555 1 0 3 0x18100083 ttyin getty
690 161050 1 0 3 0x18000088 kqread sshd
75894 191307 7396 74 3 0x19100092 bpf pflogd
7396 307903 1 0 3 0x18000080 sbwait pflogd
623 63948 50194 73 3 0x19100090 kqread syslogd
50194 27797 1 0 3 0x18100082 sbwait syslogd
78418 49316 1 0 3 0x18100080 kqread resolvd
90807 185798 55804 77 3 0x18100092 kqread dhcpleased
46685 219877 55804 77 3 0x18100092 kqread dhcpleased
55804 368971 1 0 3 0x18000080 kqread dhcpleased
63753 462824 0 0 3 0x14200 bored smr
71623 101658 0 0 2 0x14200 zerothread
1033 309870 0 0 3 0x14200 aiodoned aiodoned
65958 318118 0 0 3 0x14200 syncer update
6732 239176 0 0 3 0x14200 cleaner cleaner
97271 118498 0 0 3 0x14200 reaper reaper
59093 444407 0 0 3 0x14200 pgdaemon pagedaemon
67039 248562 0 0 3 0x14200 bored viomb
71130 128782 0 0 3 0x40014200 acpi0 acpi0
66466 309271 0 0 3 0x40014200 idle1
5201 512576 0 0 3 0x14200 bored softnet3
65153 175014 0 0 3 0x14200 bored softnet2
82788 263384 0 0 3 0x14200 bored softnet1
40511 329005 0 0 3 0x14200 bored softnet0
32925 455862 0 0 3 0x14200 bored systqmp
20054 311269 0 0 3 0x14200 bored systq
40061 311355 0 0 3 0x14200 tmoslp softclockmp
63030 89661 0 0 3 0x40014200 tmoslp softclock
38260 282517 0 0 3 0x40014200 idle0
1 328345 0 0 3 0x8000082 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 10173 6473K 6473K 166960K 11251 0
pcb 15 10K 10K 166960K 15 0
rtable 166 4K 4K 166960K 252 0
pf 32 9K 10K 166960K 43 0
ifaddr 36 13K 13K 166960K 38 0
ifgroup 55 2K 2K 166960K 55 0
counters 64 36K 36K 166960K 64 0
ioctlops 2 2K 4K 166960K 1481 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1261 79K 79K 166960K 1280 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 2 0K 0K 166960K 2 0
dirhash 12 2K 2K 166960K 12 0
ACPI 1697 195K 286K 166960K 12548 0
file desc 20 73K 93K 166960K 114 0
proc 74 103K 128K 166960K 491 0
NFS srvsock 1 0K 0K 166960K 1 0
NFS daemon 1 16K 16K 166960K 1 0
in_multi 58 4K 4K 166960K 58 0
ether_multi 1 0K 0K 166960K 1 0
ISOFS mount 1 32K 32K 166960K 1 0
MSDOSFS mount 1 16K 16K 166960K 1 0
ttys 25 122K 122K 166960K 25 0
exec 0 0K 1K 166960K 362 0
tdb 3 0K 0K 166960K 3 0
VM swap 8 62K 64K 166960K 10 0
UVM amap 264 75K 75K 166960K 3489 0
UVM aobj 3 2K 2K 166960K 3 0
pinsyscall 44 88K 108K 166960K 1255 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
NDP 20 1K 1K 166960K 20 0
temp 1 6796K 6860K 166960K 3969 0
kqueue 12 18K 18K 166960K 25 0
SYN cache 2 16K 16K 166960K 2 0
ddb{0}> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
plcache 128 24 0 0 1 0 1 1 0 8 0
rtpcb 120 26 0 23 1 0 1 1 0 8 0
rtentry 112 77 0 1 3 0 3 3 0 8 0
unpcb 144 35 0 20 1 0 1 1 0 8 0
syncache 336 5 0 5 2 1 1 1 0 8 1
tcpqe 32 107 0 107 1 1 0 1 0 8 0
tcpcb 808 9 0 5 1 0 1 1 0 8 0
arp 120 16 0 0 1 0 1 1 0 8 0
inpcb 392 62 0 53 1 0 1 1 0 8 0
nd6 136 10 0 0 1 0 1 1 0 8 0
pfosfp 40 1428 0 1005 5 0 5 5 0 8 0
pfosfpen 112 1428 0 714 21 0 21 21 0 8 0
pfstitem 24 14 0 7 2 1 1 1 0 8 0
pfstkey 128 14 0 7 2 1 1 1 0 8 0
pfstate 376 14 0 7 2 1 1 1 0 8 0
pfrule 1344 21 0 16 2 1 1 2 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 287 0 0 18 0 18 18 0 8 0
art_table 32 288 0 0 3 0 3 3 0 8 0
art_node 16 76 0 6 1 0 1 1 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 1574 0 55 95 0 95 95 0 8 0
ffsino 272 1574 0 55 102 0 102 102 0 8 0
nchpl 144 1839 0 63 66 0 66 66 0 8 0
uvmvnodes 80 1588 0 0 33 0 33 33 0 8 0
vnodes 216 1588 0 0 89 0 89 89 0 8 0
namei 1024 6240 0 6240 4 1 3 3 0 8 3
percpumem 16 46 0 0 1 0 1 1 0 8 0
kstatmem 264 24 0 0 2 0 2 2 0 8 0
scxspl 216 7324 0 7324 10 9 1 8 1 8 1
plimitpl 152 37 0 20 1 0 1 1 0 8 0
sigapl 424 434 0 383 7 0 7 7 0 8 0
futexpl 64 19 0 18 1 0 1 1 0 8 0
knotepl 120 102 0 0 4 0 4 4 0 8 0
kqueuepl 216 21 0 13 1 0 1 1 0 8 0
pipepl 320 143 0 115 4 1 3 3 0 8 0
fdescpl 496 416 0 383 5 0 5 5 0 8 0
filepl 152 1692 0 1550 6 0 6 6 0 8 0
lockfpl 104 7 0 4 1 0 1 1 0 8 0
lockfspl 48 5 0 2 1 0 1 1 0 8 0
sessionpl 144 26 0 9 1 0 1 1 0 8 0
pgrppl 48 26 0 9 1 0 1 1 0 8 0
ucredpl 104 71 0 59 1 0 1 1 0 8 0
zombiepl 144 383 0 383 2 1 1 1 0 8 1
processpl 1136 434 0 383 5 0 5 5 0 8 0
procpl 656 452 0 383 6 0 6 6 0 8 0
sockpl 584 123 0 96 3 0 3 3 0 8 1
mcl8k 8192 2 0 0 1 0 1 1 0 8 0
mcl4k 4096 4 0 0 1 0 1 1 0 8 0
mcl2k 2048 331 0 0 42 3 39 42 0 8 0
mtagpl 96 2 0 0 1 0 1 1 0 8 0
mbufpl 256 348 0 0 22 0 22 22 0 8 0
bufpl 280 4309 0 184 295 0 295 295 0 8 0
anonpl 24 186388 0 181709 72 15 57 58 0 186 27
amapchunkpl 152 11106 0 10506 30 1 29 29 0 158 5
amappl16 200 5077 0 5012 10 5 5 5 0 8 0
amappl15 192 10 0 9 1 0 1 1 0 8 0
amappl14 184 150 0 138 2 0 2 2 0 8 1
amappl13 176 25 0 24 2 1 1 1 0 8 0
amappl12 168 1100 0 1065 4 1 3 3 0 8 0
amappl11 160 59 0 45 1 0 1 1 0 8 0
amappl10 152 38 0 30 2 1 1 1 0 8 0
amappl9 144 185 0 185 2 1 1 1 0 8 1
amappl8 136 110 0 77 2 0 2 2 0 8 0
amappl7 128 47 0 38 1 0 1 1 0 8 0
amappl6 120 308 0 287 2 0 2 2 0 8 1
amappl5 112 201 0 184 1 0 1 1 0 8 0
amappl4 104 562 0 522 3 0 3 3 0 8 1
amappl3 96 2523 0 2448 2 0 2 2 0 8 0
amappl2 88 799 0 726 4 0 4 4 0 8 2
amappl1 80 10643 0 10083 27 5 22 23 0 8 9
amappl 88 2960 0 2783 5 0 5 5 0 92 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 128 253 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 2 0 0 1 0 1 1 0 8 0
uaddrrnd 24 416 0 383 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 416 0 383 1 0 1 1 0 8 0
vmmpekpl 168 8782 0 8753 2 0 2 2 0 8 0
vmmpepl 168 47708 0 45931 129 6 123 123 0 357 42
vmsppl 440 415 0 383 6 1 5 5 0 8 0
rwobjpl 56 21562 0 18881 50 2 48 48 0 8 7
pdppl 4096 839 0 766 103 20 83 83 0 8 10
pvpl 32 49442 0 0 399 2 397 397 0 265 0
pmappl 248 415 0 383 3 0 3 3 0 8 0
extentpl 40 56 0 38 1 0 1 1 0 8 0
phpool 112 401 0 27 11 0 11 11 0 8 0
ddb{0}> machine ddbcpu 0
Invalid cpu 0
ddb{0}> trace
db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff82881053) at panic+0x17b sys/kern/subr_prf.c:198
start_vmm_on_cpu(ffffffff82d17ff0) at start_vmm_on_cpu+0x1d3 sys/arch/amd64/amd64/vmm_machdep.c:1106
x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27
vmxon() at vmxon+0x16
vmm_start() at vmm_start+0x58 sys/arch/amd64/amd64/vmm_machdep.c:959
vmmioctl(a00,c2585601,ffff800000da7c00,1,ffff80002a22c7d8) at vmmioctl+0x1d3 sys/dev/vmm/vmm.c:235
VOP_IOCTL(fffffd806e3f3290,c2585601,ffff800000da7c00,1,fffffd807f7d77b8,ffff80002a22c7d8) at VOP_IOCTL+0x97 sys/kern/vfs_vops.c:264
vn_ioctl(fffffd8068b38130,c2585601,ffff800000da7c00,ffff80002a22c7d8) at vn_ioctl+0xc0 sys/kern/vfs_vnops.c:525
sys_ioctl(ffff80002a22c7d8,ffff80002a38e1a0,ffff80002a38e0f0) at sys_ioctl+0x4a9
syscall(ffff80002a38e1a0) at syscall+0x8cf mi_syscall sys/sys/syscall_mi.h:180 [inline]
syscall(ffff80002a38e1a0) at syscall+0x8cf sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xd025ca271a0, count: -13
ddb{0}> machine ddbcpu 1
Stopped at x86_ipi_db+0x1e: addq $0x8,%rsp
x86_ipi_db(ffff800029cebff0) at x86_ipi_db+0x1e 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+0x27
vmm_start() at vmm_start+0xf2 sys/arch/amd64/amd64/vmm_machdep.c:975
vmmioctl(a00,c2585601,ffff800000da7800,1,ffff80002a22d9c8) at vmmioctl+0x1d3 sys/dev/vmm/vmm.c:235
VOP_IOCTL(fffffd806e3f3290,c2585601,ffff800000da7800,1,fffffd807f7d77b8,ffff80002a22d9c8) at VOP_IOCTL+0x97 sys/kern/vfs_vops.c:264
vn_ioctl(fffffd8068b38130,c2585601,ffff800000da7800,ffff80002a22d9c8) at vn_ioctl+0xc0 sys/kern/vfs_vnops.c:525
sys_ioctl(ffff80002a22d9c8,ffff80002a382680,ffff80002a3825d0) at sys_ioctl+0x4a9
syscall(ffff80002a382680) at syscall+0x8cf mi_syscall sys/sys/syscall_mi.h:180 [inline]
syscall(ffff80002a382680) at syscall+0x8cf sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xd02590825b0, count: 5
ddb{1}> trace
x86_ipi_db(ffff800029cebff0) at x86_ipi_db+0x1e 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+0x27
vmm_start() at vmm_start+0xf2 sys/arch/amd64/amd64/vmm_machdep.c:975
vmmioctl(a00,c2585601,ffff800000da7800,1,ffff80002a22d9c8) at vmmioctl+0x1d3 sys/dev/vmm/vmm.c:235
VOP_IOCTL(fffffd806e3f3290,c2585601,ffff800000da7800,1,fffffd807f7d77b8,ffff80002a22d9c8) at VOP_IOCTL+0x97 sys/kern/vfs_vops.c:264
vn_ioctl(fffffd8068b38130,c2585601,ffff800000da7800,ffff80002a22d9c8) at vn_ioctl+0xc0 sys/kern/vfs_vnops.c:525
sys_ioctl(ffff80002a22d9c8,ffff80002a382680,ffff80002a3825d0) at sys_ioctl+0x4a9
syscall(ffff80002a382680) at syscall+0x8cf mi_syscall sys/sys/syscall_mi.h:180 [inline]
syscall(ffff80002a382680) at syscall+0x8cf sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xd02590825b0, count: -10