panic: kernel diagnostic assertion "_kernel_lock_held()" failed: file "/syzkaller/managers/multicore/kernel/sys/uvm/uvm_vnode.c", line 285
Stopped at db_enter+0x18: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
*467243 67467 0 0 0x4000000 0 syz-executor.0
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440
panic(ffffffff824502ee) at panic+0x177 sys/kern/subr_prf.c:202
__assert(ffffffff824bffea,ffffffff8244811a,11d,ffffffff824ce6c6) at __assert+0x25 sys/kern/subr_prf.c:161
uvn_reference(fffffd8072810ea0) at uvn_reference+0x84 sys/uvm/uvm_vnode.c:285
uvm_mapent_clone(fffffd806efdd8a8,1000,2000,0,7,7) at uvm_mapent_clone+0x1a2 sys/uvm/uvm_map.c:3810
uvm_share(fffffd806efdd8a8,0,7,fffffd807f008450,20000000,200000) at uvm_share+0x45c uvm_mapent_share sys/uvm/uvm_map.c:3840 [inline]
uvm_share(fffffd806efdd8a8,0,7,fffffd807f008450,20000000,200000) at uvm_share+0x45c sys/uvm/uvm_map.c:3739
vm_impl_init_vmx(ffff800021299810,ffff800021288550) at vm_impl_init_vmx+0xb4 sys/arch/amd64/amd64/vmm.c:1591
vm_create(ffff800000b57000,ffff800021288550) at vm_create+0x19b vm_impl_init sys/arch/amd64/amd64/vmm.c:1690 [inline]
vm_create(ffff800000b57000,ffff800021288550) at vm_create+0x19b sys/arch/amd64/amd64/vmm.c:1510
vmmioctl(a00,c5005601,ffff800000b57000,1,ffff800021288550) at vmmioctl+0x1f2
VOP_IOCTL(fffffd806e1f6130,c5005601,ffff800000b57000,1,fffffd807f7d8780,ffff800021288550) at VOP_IOCTL+0x9a sys/kern/vfs_vops.c:295
vn_ioctl(fffffd8067079278,c5005601,ffff800000b57000,ffff800021288550) at vn_ioctl+0xba sys/kern/vfs_vnops.c:531
sys_ioctl(ffff800021288550,ffff800021295dc8,ffff800021295e10) at sys_ioctl+0x4a2
syscall(ffff800021295e90) at syscall+0x5a9 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff800021295e90) at syscall+0x5a9 sys/arch/amd64/amd64/trap.c:587
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x4e4f8222470, count: 1
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: kernel diagnostic assertion "_kernel_lock_held()" failed: file "/syzkaller/managers/multicore/kernel/sys/uvm/uvm_vnode.c", line 285
ddb{0}> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440
panic(ffffffff824502ee) at panic+0x177 sys/kern/subr_prf.c:202
__assert(ffffffff824bffea,ffffffff8244811a,11d,ffffffff824ce6c6) at __assert+0x25 sys/kern/subr_prf.c:161
uvn_reference(fffffd8072810ea0) at uvn_reference+0x84 sys/uvm/uvm_vnode.c:285
uvm_mapent_clone(fffffd806efdd8a8,1000,2000,0,7,7) at uvm_mapent_clone+0x1a2 sys/uvm/uvm_map.c:3810
uvm_share(fffffd806efdd8a8,0,7,fffffd807f008450,20000000,200000) at uvm_share+0x45c uvm_mapent_share sys/uvm/uvm_map.c:3840 [inline]
uvm_share(fffffd806efdd8a8,0,7,fffffd807f008450,20000000,200000) at uvm_share+0x45c sys/uvm/uvm_map.c:3739
vm_impl_init_vmx(ffff800021299810,ffff800021288550) at vm_impl_init_vmx+0xb4 sys/arch/amd64/amd64/vmm.c:1591
vm_create(ffff800000b57000,ffff800021288550) at vm_create+0x19b vm_impl_init sys/arch/amd64/amd64/vmm.c:1690 [inline]
vm_create(ffff800000b57000,ffff800021288550) at vm_create+0x19b sys/arch/amd64/amd64/vmm.c:1510
vmmioctl(a00,c5005601,ffff800000b57000,1,ffff800021288550) at vmmioctl+0x1f2
VOP_IOCTL(fffffd806e1f6130,c5005601,ffff800000b57000,1,fffffd807f7d8780,ffff800021288550) at VOP_IOCTL+0x9a sys/kern/vfs_vops.c:295
vn_ioctl(fffffd8067079278,c5005601,ffff800000b57000,ffff800021288550) at vn_ioctl+0xba sys/kern/vfs_vnops.c:531
sys_ioctl(ffff800021288550,ffff800021295dc8,ffff800021295e10) at sys_ioctl+0x4a2
syscall(ffff800021295e90) at syscall+0x5a9 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff800021295e90) at syscall+0x5a9 sys/arch/amd64/amd64/trap.c:587
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x4e4f8222470, count: -14
ddb{0}> show registers
rdi 0
rsi 0x1
rbp 0xffff800021295730
rbx 0xffffffff8280abff cpu_info_full_primary+0x2bff
rdx 0x8b
rcx 0x2
rax 0x8b
r8 0xffffffff81a0be34 kprintf+0x144
r9 0x1
r10 0x815c625b4e788e4d
r11 0x996feb5efdbf862a
r12 0xffffffff8280aa00 cpu_info_full_primary+0x2a00
r13 0
r14 0
r15 0x1
rip 0xffffffff81e3e908 db_enter+0x18
cs 0x8
rflags 0x246
rsp 0xffff800021295720
ss 0x10
db_enter+0x18: addq $0x8,%rsp
ddb{0}> show proc
PROC (syz-executor.0) pid=467243 stat=onproc
flags process=0 proc=4000000<THREAD>
pri=32, usrpri=81, nice=20
forw=0xffffffffffffffff, list=0xffff8000212887f0,0xffffffff82913618
process=0xffff800022e9dd68 user=0xffff800021290000, vmspace=0xfffffd807f008450
estcpu=31, cpticks=1, pctcpu=0.0
user=0, sys=1, intr=0
ddb{0}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
67467 520226 5212 0 2 0 syz-executor.0
67467 497387 5212 0 3 0x4000000 inode syz-executor.0
67467 227023 5212 0 2 0x4000000 syz-executor.0
*67467 467243 5212 0 7 0x4000000 syz-executor.0
52599 59263 0 0 3 0x14280 nfsidl nfsio
29394 273855 0 0 3 0x14280 nfsidl nfsio
8322 397437 0 0 3 0x14280 nfsidl nfsio
26857 68782 0 0 3 0x14280 nfsidl nfsio
9078 351425 0 0 3 0x14280 nfsidl nfsio
7361 262874 0 0 3 0x14280 nfsidl nfsio
88791 131857 0 0 3 0x14280 nfsidl nfsio
25981 390079 0 0 3 0x14280 nfsidl nfsio
80336 412569 0 0 3 0x14280 nfsidl nfsio
84730 156002 0 0 3 0x14280 nfsidl nfsio
58469 436774 0 0 3 0x14280 nfsidl nfsio
78499 441573 0 0 3 0x14280 nfsidl nfsio
81085 419990 0 0 3 0x14280 nfsidl nfsio
93806 154266 0 0 3 0x14280 nfsidl nfsio
82252 182861 0 0 3 0x14280 nfsidl nfsio
66159 473517 0 0 3 0x14280 nfsidl nfsio
45510 116112 0 0 3 0x14280 nfsidl nfsio
47177 361961 0 0 3 0x14280 nfsidl nfsio
67319 190058 0 0 3 0x14280 nfsidl nfsio
22152 317130 0 0 3 0x14280 nfsidl nfsio
35969 451123 3389 0 2 0x482 syz-executor.1
7394 444680 0 0 3 0x14200 bored sosplice
5212 92132 3389 0 3 0x82 nanoslp syz-executor.0
3389 486769 79378 0 3 0x82 thrsleep syz-fuzzer
3389 371993 79378 0 3 0x4000082 thrsleep syz-fuzzer
3389 242903 79378 0 3 0x4000082 thrsleep syz-fuzzer
3389 100352 79378 0 3 0x4000082 thrsleep syz-fuzzer
3389 448995 79378 0 3 0x4000082 kqread syz-fuzzer
3389 256088 79378 0 3 0x4000082 thrsleep syz-fuzzer
3389 165122 79378 0 3 0x4000082 thrsleep syz-fuzzer
3389 449362 79378 0 3 0x4000082 thrsleep syz-fuzzer
79378 440861 51441 0 3 0x10008a sigsusp ksh
51441 366048 17089 0 3 0x9a select sshd
35990 405797 1 0 3 0x100083 ttyin getty
17089 433908 1 0 3 0x88 select sshd
53086 366067 68358 74 3 0x100092 bpf pflogd
68358 235366 1 0 3 0x80 netio pflogd
57167 487605 95263 73 3 0x100090 kqread syslogd
95263 82068 1 0 3 0x100082 netio syslogd
86369 40221 1 0 3 0x100080 kqread resolvd
30414 30757 5259 77 3 0x100092 kqread dhcpleased
42357 280193 5259 77 3 0x100092 kqread dhcpleased
5259 432086 1 0 3 0x80 kqread dhcpleased
84273 518126 0 0 3 0x14200 bored smr
83397 468361 0 0 2 0x14200 zerothread
74002 210044 0 0 3 0x14200 aiodoned aiodoned
17502 458486 0 0 3 0x14200 syncer update
30281 109712 0 0 3 0x14200 cleaner cleaner
12025 481039 0 0 3 0x14200 reaper reaper
58732 260147 0 0 3 0x14200 pgdaemon pagedaemon
75813 451928 0 0 3 0x14200 bored crynlk
57558 56620 0 0 3 0x14200 bored crypto
9109 124195 0 0 3 0x14200 bored viomb
60444 313702 0 0 3 0x40014200 acpi0 acpi0
68317 410221 0 0 7 0x40014200 idle1
16202 187181 0 0 3 0x14200 bored softnet
34802 82734 0 0 3 0x14200 bored systqmp
11029 260856 0 0 3 0x14200 bored systq
68353 387602 0 0 3 0x40014200 bored softclock
76861 514586 0 0 3 0x40014200 idle0
1 373093 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{0}> show all locks
Process 67467 (syz-executor.0) thread 0xffff8000212887f0 (227023)
exclusive rrwlock inode r = 0 (0xfffffd8064c9c4e0)
#0 witness_lock+0x4b0 stacktrace_save sys/sys/stacktrace.h:36 [inline]
#0 witness_lock+0x4b0 sys/kern/subr_witness.c:1182
#1 rw_enter+0x3e2 sys/kern/kern_rwlock.c:310
#2 rrw_enter+0x8b sys/kern/kern_rwlock.c:461
#3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:614
#4 vn_lock+0x84 sys/kern/vfs_vnops.c:579
#5 vn_write+0x11d sys/kern/vfs_vnops.c:411
#6 dofilewritev+0x1a3 sys/kern/sys_generic.c:365
#7 sys_pwritev+0xb2 sys/kern/vfs_syscalls.c:3357
#8 syscall+0x5a9 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#8 syscall+0x5a9 sys/arch/amd64/amd64/trap.c:587
#9 Xsyscall+0x128
Process 67467 (syz-executor.0) thread 0xffff800021288550 (467243)
shared rwlock vmmaplk r = 0 (0xfffffd807f008468)
#0 witness_lock+0x4b0 stacktrace_save sys/sys/stacktrace.h:36 [inline]
#0 witness_lock+0x4b0 sys/kern/subr_witness.c:1182
#1 uvm_share+0xd2 vm_map_lock_read_ln sys/uvm/uvm_map.c:5447 [inline]
#1 uvm_share+0xd2 sys/uvm/uvm_map.c:3691
#2 vm_impl_init_vmx+0xb4 sys/arch/amd64/amd64/vmm.c:1591
#3 vm_create+0x19b vm_impl_init sys/arch/amd64/amd64/vmm.c:1690 [inline]
#3 vm_create+0x19b sys/arch/amd64/amd64/vmm.c:1510
#4 vmmioctl+0x1f2
#5 VOP_IOCTL+0x9a sys/kern/vfs_vops.c:295
#6 vn_ioctl+0xba sys/kern/vfs_vnops.c:531
#7 sys_ioctl+0x4a2
#8 syscall+0x5a9 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#8 syscall+0x5a9 sys/arch/amd64/amd64/trap.c:587
#9 Xsyscall+0x128
exclusive rwlock vmmaplk r = 0 (0xfffffd806efdd8c0)
#0 witness_lock+0x4b0 stacktrace_save sys/sys/stacktrace.h:36 [inline]
#0 witness_lock+0x4b0 sys/kern/subr_witness.c:1182
#1 rw_enter+0x3e2 sys/kern/kern_rwlock.c:310
#2 vm_map_lock_ln+0xda sys/uvm/uvm_map.c:5425
#3 uvm_share+0xaa vm_map_lock_read_ln sys/uvm/uvm_map.c:5446 [inline]
#3 uvm_share+0xaa sys/uvm/uvm_map.c:3691
#4 vm_impl_init_vmx+0xb4 sys/arch/amd64/amd64/vmm.c:1591
#5 vm_create+0x19b vm_impl_init sys/arch/amd64/amd64/vmm.c:1690 [inline]
#5 vm_create+0x19b sys/arch/amd64/amd64/vmm.c:1510
#6 vmmioctl+0x1f2
#7 VOP_IOCTL+0x9a sys/kern/vfs_vops.c:295
#8 vn_ioctl+0xba sys/kern/vfs_vnops.c:531
#9 sys_ioctl+0x4a2
#10 syscall+0x5a9 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#10 syscall+0x5a9 sys/arch/amd64/amd64/trap.c:587
#11 Xsyscall+0x128
exclusive rwlock vmlistlock r = 0 (0xffff800000655c78)
#0 witness_lock+0x4b0 stacktrace_save sys/sys/stacktrace.h:36 [inline]
#0 witness_lock+0x4b0 sys/kern/subr_witness.c:1182
#1 vm_create+0x12e vm_impl_init sys/arch/amd64/amd64/vmm.c:1688 [inline]
#1 vm_create+0x12e sys/arch/amd64/amd64/vmm.c:1510
#2 vmmioctl+0x1f2
#3 VOP_IOCTL+0x9a sys/kern/vfs_vops.c:295
#4 vn_ioctl+0xba sys/kern/vfs_vnops.c:531
#5 sys_ioctl+0x4a2
#6 syscall+0x5a9 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#6 syscall+0x5a9 sys/arch/amd64/amd64/trap.c:587
#7 Xsyscall+0x128
ddb{0}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 10165 6437K 6942K 78643K 12678 0
pcb 13 8K 8K 78643K 97 0
rtable 106 12K 12K 78643K 309 0
ifaddr 68 13K 13K 78643K 120 0
counters 44 34K 34K 78643K 64 0
ioctlops 1 2K 4K 78643K 1556 0
iov 1 12K 16K 78643K 72 0
mount 1 1K 1K 78643K 1 0
log 0 0K 0K 78643K 6 0
vnodes 1220 77K 77K 78643K 1673 0
UFS quota 1 32K 32K 78643K 1 0
UFS mount 5 36K 36K 78643K 5 0
shm 2 1K 5K 78643K 8 0
VM map 2 1K 1K 78643K 2 0
sem 12 0K 0K 78643K 373 0
dirhash 12 2K 2K 78643K 12 0
ACPI 1697 195K 286K 78643K 12598 0
file desc 5 13K 25K 78643K 2341 0
sigio 0 0K 0K 78643K 20 0
proc 70 87K 111K 78643K 440 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 78 0
in_multi 29 1K 2K 78643K 73 0
ether_multi 1 0K 0K 78643K 9 0
mrt 0 0K 0K 78643K 18 0
ISOFS mount 1 32K 32K 78643K 1 0
MSDOSFS mount 1 16K 16K 78643K 1 0
ttys 49 228K 228K 78643K 49 0
exec 0 0K 2K 78643K 493 0
pfkey data 0 0K 0K 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 267 51K 63K 78643K 29518 0
UVM aobj 20 2K 2K 78643K 20 0
memdesc 1 4K 4K 78643K 1 0
crypto data 1 1K 1K 78643K 1 0
ip6_options 0 0K 0K 78643K 45 0
NDP 12 0K 0K 78643K 28 0
temp 131 4210K 4275K 78643K 14664 0
kqueue 10 14K 32K 78643K 66 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 88 0 85 1 0 1 1 0 8 0
rtentry 112 66 0 25 2 0 2 2 0 8 0
unpcb 120 414 0 399 1 0 1 1 0 8 0
syncache 296 19 0 19 5 4 1 1 0 8 1
tcpqe 32 1575 0 1575 4 3 1 3 0 8 1
tcpcb 736 239 0 234 7 5 2 2 0 8 1
arp 120 8 0 2 1 0 1 1 0 8 0
inpcb 304 587 0 579 6 4 2 2 0 8 1
rttmr 72 8 0 8 1 1 0 1 0 8 0
nd6 48 11 0 5 1 0 1 1 0 8 0
pkpcb 40 4 0 4 2 2 0 1 0 8 0
kcovpl 48 3 0 1 1 0 1 1 0 8 0
ppxss 1248 4 0 4 3 2 1 1 0 8 1
pffrag 232 9 0 9 2 1 1 1 0 482 1
pffrnode 88 9 0 9 2 1 1 1 0 8 1
pffrent 40 398 0 398 3 2 1 1 0 8 1
pfosfp 40 1448 0 1013 5 0 5 5 0 8 0
pfosfpen 112 1448 0 714 21 0 21 21 0 8 0
pfrktable 1344 6 0 6 1 1 0 1 0 8 0
pftag 88 1 0 0 1 0 1 1 0 8 0
pfqueue 264 2 0 2 1 1 0 1 0 8 0
pfstitem 24 53 0 27 1 0 1 1 0 8 0
pfstkey 112 53 0 27 1 0 1 1 0 8 0
pfstate 320 53 0 27 3 0 3 3 0 8 0
pfrule 1360 34 0 29 2 1 1 2 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 275 0 60 14 0 14 14 0 8 0
art_table 32 276 0 60 2 0 2 2 0 8 0
art_node 16 65 0 27 1 0 1 1 0 8 0
sysvmsgpl 40 36 0 14 1 0 1 1 0 8 0
semupl 112 3 0 3 1 1 0 1 0 8 0
semapl 112 371 0 361 1 0 1 1 0 8 0
shmpl 112 17 0 0 1 0 1 1 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 4022 0 2616 89 0 89 89 0 8 0
ffsino 272 4022 0 2616 95 0 95 95 0 8 0
nchpl 144 6817 0 5208 61 0 61 61 0 8 0
uvmvnodes 72 4405 0 0 81 0 81 81 0 8 0
vnodes 224 4405 0 0 260 0 260 260 0 8 0
namei 1024 16786 0 16786 2 1 1 1 0 8 1
percpumem 16 44 0 10 1 0 1 1 0 8 0
vcpupl 2048 2 0 0 1 0 1 1 0 8 0
vmpool 560 3 0 0 1 0 1 1 0 8 0
pfiaddrpl 120 2 0 2 1 1 0 1 0 8 0
scsiplug 72 1 0 1 1 0 1 1 0 8 1
scxspl 216 20041 0 20041 10 9 1 8 0 8 1
plimitpl 152 56 0 47 1 0 1 1 0 8 0
sigapl 424 2609 0 2554 8 1 7 7 0 8 0
futexpl 56 20505 0 20505 1 0 1 1 0 8 1
knotepl 112 85 0 0 3 0 3 3 0 8 0
kqueuepl 216 2143 0 2135 2 1 1 2 0 8 0
pipepl 336 209 0 198 6 4 2 2 0 8 0
fdescpl 496 2572 0 2554 3 0 3 3 0 8 0
filepl 152 8519 0 8401 8 2 6 6 0 8 1
lockfpl 104 230 0 227 1 0 1 1 0 8 0
lockfspl 48 59 0 56 1 0 1 1 0 8 0
sessionpl 144 19 0 8 1 0 1 1 0 8 0
pgrppl 48 23 0 12 1 0 1 1 0 8 0
ucredpl 96 643 0 629 1 0 1 1 0 8 0
zombiepl 144 2554 0 2553 2 1 1 1 0 8 0
processpl 1072 2609 0 2553 4 0 4 4 0 8 0
procpl 672 5252 0 5186 9 3 6 6 0 8 0
sosppl 168 13 0 13 5 5 0 1 0 8 0
sockpl 480 1098 0 1072 9 4 5 5 0 8 1
mcl64k 65536 6 0 0 1 0 1 1 0 8 0
mcl16k 16384 3 0 0 1 0 1 1 0 8 0
mcl12k 12288 7 0 0 1 0 1 1 0 8 0
mcl9k 9216 3 0 0 1 0 1 1 0 8 0
mcl8k 8192 5 0 0 1 0 1 1 0 8 0
mcl4k 4096 10 0 0 2 0 2 2 0 8 0
mcl2k2 2112 2 0 0 1 0 1 1 0 8 0
mcl2k 2048 459 0 0 57 0 57 57 0 8 0
mtagpl 96 68 0 0 2 0 2 2 0 8 0
mbufpl 256 589 0 0 37 0 37 37 0 8 0
bufpl 280 6118 0 141 427 0 427 427 0 8 0
anonpl 24 666495 0 644905 188 50 138 158 0 186 3
amapchunkpl 152 70395 0 69667 49 19 30 43 0 158 0
amappl16 200 5508 0 4749 67 27 40 52 0 8 0
amappl15 192 1 0 0 1 0 1 1 0 8 0
amappl14 184 2044 0 2039 1 0 1 1 0 8 0
amappl13 176 45 0 43 1 0 1 1 0 8 0
amappl12 168 16 0 15 1 0 1 1 0 8 0
amappl11 160 311 0 296 1 0 1 1 0 8 0
amappl10 152 51 0 41 1 0 1 1 0 8 0
amappl9 144 247 0 245 1 0 1 1 0 8 0
amappl8 136 426 0 372 2 0 2 2 0 8 0
amappl7 128 78 0 63 1 0 1 1 0 8 0
amappl6 120 129 0 117 1 0 1 1 0 8 0
amappl5 112 1326 0 1308 1 0 1 1 0 8 0
amappl4 104 2047 0 2016 1 0 1 1 0 8 0
amappl3 96 126 0 123 1 0 1 1 0 8 0
amappl2 88 526 0 472 2 0 2 2 0 8 0
amappl1 80 47769 0 47323 15 5 10 13 0 8 0
amappl 88 29003 0 28813 5 0 5 5 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 64 19 0 0 1 0 1 1 0 8 0
uaddrrnd 24 2575 0 2554 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 2575 0 2554 1 0 1 1 0 8 0
vmmpekpl 168 17613 0 17581 2 0 2 2 0 8 0
vmmpepl 168 290641 0 288490 157 35 122 129 0 357 24
vmsppl 368 2574 0 2554 2 0 2 2 0 8 0
rwobjpl 56 51761 0 50196 31 8 23 26 0 8 0
pdppl 4096 5158 0 5110 66 18 48 50 0 8 0
pvpl 32 1682298 0 1657089 283 59 224 246 0 265 13
pmappl 224 2574 0 2554 4 2 2 2 0 8 0
extentpl 40 58 0 40 1 0 1 1 0 8 0
phpool 112 390 0 31 11 0 11 11 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:440
panic(ffffffff824502ee) at panic+0x177 sys/kern/subr_prf.c:202
__assert(ffffffff824bffea,ffffffff8244811a,11d,ffffffff824ce6c6) at __assert+0x25 sys/kern/subr_prf.c:161
uvn_reference(fffffd8072810ea0) at uvn_reference+0x84 sys/uvm/uvm_vnode.c:285
uvm_mapent_clone(fffffd806efdd8a8,1000,2000,0,7,7) at uvm_mapent_clone+0x1a2 sys/uvm/uvm_map.c:3810
uvm_share(fffffd806efdd8a8,0,7,fffffd807f008450,20000000,200000) at uvm_share+0x45c uvm_mapent_share sys/uvm/uvm_map.c:3840 [inline]
uvm_share(fffffd806efdd8a8,0,7,fffffd807f008450,20000000,200000) at uvm_share+0x45c sys/uvm/uvm_map.c:3739
vm_impl_init_vmx(ffff800021299810,ffff800021288550) at vm_impl_init_vmx+0xb4 sys/arch/amd64/amd64/vmm.c:1591
vm_create(ffff800000b57000,ffff800021288550) at vm_create+0x19b vm_impl_init sys/arch/amd64/amd64/vmm.c:1690 [inline]
vm_create(ffff800000b57000,ffff800021288550) at vm_create+0x19b sys/arch/amd64/amd64/vmm.c:1510
vmmioctl(a00,c5005601,ffff800000b57000,1,ffff800021288550) at vmmioctl+0x1f2
VOP_IOCTL(fffffd806e1f6130,c5005601,ffff800000b57000,1,fffffd807f7d8780,ffff800021288550) at VOP_IOCTL+0x9a sys/kern/vfs_vops.c:295
vn_ioctl(fffffd8067079278,c5005601,ffff800000b57000,ffff800021288550) at vn_ioctl+0xba sys/kern/vfs_vnops.c:531
sys_ioctl(ffff800021288550,ffff800021295dc8,ffff800021295e10) at sys_ioctl+0x4a2
syscall(ffff800021295e90) at syscall+0x5a9 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff800021295e90) at syscall+0x5a9 sys/arch/amd64/amd64/trap.c:587
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x4e4f8222470, count: -14
ddb{0}> machine ddbcpu 1
Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp
x86_ipi_db(ffff800020d38ff0) 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+0x2eb sys/dev/acpi/acpicpu.c:1206
sched_idle(ffff800020d38ff0) at sched_idle+0x417 sys/kern/kern_sched.c:178
end trace frame: 0x0, count: 10
ddb{1}> trace
x86_ipi_db(ffff800020d38ff0) 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+0x2eb sys/dev/acpi/acpicpu.c:1206
sched_idle(ffff800020d38ff0) at sched_idle+0x417 sys/kern/kern_sched.c:178
end trace frame: 0x0, count: -5