panic: missing alias
Stopped at db_enter+0x1c: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
*340707 3494 0 0x2 0 0K syz-executor.3
432176 69755 0 0x12 0 1 sshd
db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff828e46db) at panic+0x17b sys/kern/subr_prf.c:198
vgonel(fffffd807794f478,ffff80002a1b7558) at vgonel+0x4d5 sys/kern/vfs_subr.c:1200
checkalias(fffffd80672f68b8,0,ffff8000006d2400) at checkalias+0x14c
ffs_vinit(ffff8000006d2400,ffff80002a1b1f90) at ffs_vinit+0x110 sys/ufs/ffs/ffs_subr.c:266
ffs_vget(ffff8000006d2400,cad2,ffff80002a1b2078) at ffs_vget+0x349 sys/ufs/ffs/ffs_vfsops.c:1283
ufs_lookup() at ufs_lookup+0x1188 sys/ufs/ufs/ufs_lookup.c:573
VOP_LOOKUP(fffffd80672f67e0,ffff80002a1b22f8,ffff80002a1b2328) at VOP_LOOKUP+0x5c sys/kern/vfs_vops.c:85
vfs_lookup(ffff80002a1b22c8) at vfs_lookup+0x6e2 sys/kern/vfs_lookup.c:566
namei(ffff80002a1b22c8) at namei+0x55a sys/kern/vfs_lookup.c:250
dofstatat(ffff80002a1b7558,ffffff9c,7b8135d2c270,7b8135d2c670,2) at dofstatat+0xaf sys/kern/vfs_syscalls.c:2065
syscall(ffff80002a1b2540) at syscall+0x533 mi_syscall sys/sys/syscall_mi.h:183 [inline]
syscall(ffff80002a1b2540) at syscall+0x533 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7b8135d2c720, 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: missing alias
ddb{0}> trace
db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff828e46db) at panic+0x17b sys/kern/subr_prf.c:198
vgonel(fffffd807794f478,ffff80002a1b7558) at vgonel+0x4d5 sys/kern/vfs_subr.c:1200
checkalias(fffffd80672f68b8,0,ffff8000006d2400) at checkalias+0x14c
ffs_vinit(ffff8000006d2400,ffff80002a1b1f90) at ffs_vinit+0x110 sys/ufs/ffs/ffs_subr.c:266
ffs_vget(ffff8000006d2400,cad2,ffff80002a1b2078) at ffs_vget+0x349 sys/ufs/ffs/ffs_vfsops.c:1283
ufs_lookup() at ufs_lookup+0x1188 sys/ufs/ufs/ufs_lookup.c:573
VOP_LOOKUP(fffffd80672f67e0,ffff80002a1b22f8,ffff80002a1b2328) at VOP_LOOKUP+0x5c sys/kern/vfs_vops.c:85
vfs_lookup(ffff80002a1b22c8) at vfs_lookup+0x6e2 sys/kern/vfs_lookup.c:566
namei(ffff80002a1b22c8) at namei+0x55a sys/kern/vfs_lookup.c:250
dofstatat(ffff80002a1b7558,ffffff9c,7b8135d2c270,7b8135d2c670,2) at dofstatat+0xaf sys/kern/vfs_syscalls.c:2065
syscall(ffff80002a1b2540) at syscall+0x533 mi_syscall sys/sys/syscall_mi.h:183 [inline]
syscall(ffff80002a1b2540) at syscall+0x533 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7b8135d2c720, count: -13
ddb{0}> show registers
rdi 0
rsi 0x1
rbp 0xffff80002a1b1d80
rbx 0xffffffff82d73cb7 cpu_info_full_primary+0x2cb7
rdx 0
rcx 0xffff80002a1b7558
rax 0xffffffff82d72ff0 cpu_info_full_primary+0x1ff0
r8 0x101010101010101
r9 0x8080808080808080
r10 0xa68740015dd30500
r11 0x35bfaf9ea46cce25
r12 0xffffffff82d73ab8 cpu_info_full_primary+0x2ab8
r13 0
r14 0
r15 0x1
rip 0xffffffff8278354c db_enter+0x1c
cs 0x8
rflags 0x246
rsp 0xffff80002a1b1d70
ss 0x10
db_enter+0x1c: addq $0x8,%rsp
ddb{0}> show proc
PROC (syz-executor.3) tid=340707 pid=3494 tcnt=1 stat=onproc
flags process=2<EXEC> proc=0
runpri=78, usrpri=78, slppri=32, nice=20
wchan=0x0, wmesg=, ps_single=0x0
forw=0xffffffffffffffff, list=0xffff80002a1c92b8,0xffff80002a1caab0
process=0xffff800037219658 user=0xffff80002a1ad000, vmspace=0xfffffd806978be20
estcpu=36, cpticks=2, pctcpu=0.73, user=0, sys=0, intr=0
ddb{0}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
16782 358583 9126 0 2 0 syz-executor.5
16782 240333 9126 0 2 0x4000000 syz-executor.5
62442 337557 48546 0 2 0 syz-executor.2
22090 425727 8251 0 2 0 syz-executor.4
22090 430267 8251 0 2 0x4000000 syz-executor.4
22090 219677 8251 0 2 0x4000000 syz-executor.4
14617 73549 68988 0 2 0x2 ndp
68988 397192 79512 0 3 0x10008a sigsusp sh
57283 49342 62617 0 3 0x80 nanoslp syz-executor.1
57283 150059 62617 0 3 0x4000080 netio syz-executor.1
79512 395145 66405 0 3 0x82 wait syz-executor.6
40158 111879 1 0 3 0x100083 ttyin getty
9126 375755 66405 0 3 0x82 nanoslp syz-executor.5
98552 26258 66405 0 2 0x2 syz-executor.7
34474 491977 66405 0 2 0x2 syz-executor.0
* 3494 340707 66405 0 7 0x2 syz-executor.3
48546 180524 66405 0 3 0x82 nanoslp syz-executor.2
8251 158420 66405 0 3 0x82 nanoslp syz-executor.4
20778 223513 0 0 3 0x14200 acct acct
62617 344710 66405 0 3 0x82 nanoslp syz-executor.1
99791 255660 0 0 3 0x14280 nfsidl nfsio
88824 63958 0 0 3 0x14280 nfsidl nfsio
75069 385241 0 0 3 0x14280 nfsidl nfsio
35725 443495 0 0 3 0x14280 nfsidl nfsio
15904 178284 0 0 3 0x14280 nfsidl nfsio
8495 337347 0 0 3 0x14280 nfsidl nfsio
80290 18419 0 0 3 0x14280 nfsidl nfsio
7309 414459 0 0 3 0x14280 nfsidl nfsio
393 194464 0 0 3 0x14280 nfsidl nfsio
5786 380069 0 0 3 0x14280 nfsidl nfsio
72074 93522 0 0 3 0x14280 nfsidl nfsio
17624 28120 0 0 3 0x14280 nfsidl nfsio
99658 182813 0 0 3 0x14280 nfsidl nfsio
35288 348800 0 0 3 0x14280 nfsidl nfsio
81385 170142 0 0 3 0x14280 nfsidl nfsio
67317 387038 0 0 3 0x14280 nfsidl nfsio
86831 181315 0 0 3 0x14280 nfsidl nfsio
27654 169447 0 0 3 0x14280 nfsidl nfsio
67593 478938 0 0 3 0x14280 nfsidl nfsio
68643 103088 0 0 3 0x14280 nfsidl nfsio
60458 324200 0 0 3 0x14200 bored sosplice
14161 111881 58509 0 3 0x100082 netio ndp
58509 59969 1 0 3 0x10008a sigsusp sh
66405 30912 74477 0 3 0x2000082 wait syz-fuzzer
66405 434420 74477 0 3 0x6000082 nanoslp syz-fuzzer
66405 355942 74477 0 3 0x6000082 thrsleep syz-fuzzer
66405 428875 74477 0 3 0x6000082 wait syz-fuzzer
66405 62213 74477 0 3 0x6000082 wait syz-fuzzer
66405 56022 74477 0 3 0x6000082 wait syz-fuzzer
66405 123948 74477 0 2 0x6000002 syz-fuzzer
66405 85772 74477 0 3 0x6000082 thrsleep syz-fuzzer
66405 119129 74477 0 3 0x6000082 thrsleep syz-fuzzer
66405 260959 74477 0 3 0x6000082 wait syz-fuzzer
66405 406757 74477 0 3 0x6000082 thrsleep syz-fuzzer
66405 452726 74477 0 3 0x6000082 wait syz-fuzzer
66405 174871 74477 0 3 0x6000082 wait syz-fuzzer
66405 360420 74477 0 3 0x6000082 wait syz-fuzzer
66405 257110 74477 0 3 0x6000082 thrsleep syz-fuzzer
66405 519064 74477 0 2 0x6000002 syz-fuzzer
74477 519095 69755 0 3 0x10008a sigsusp ksh
69755 432176 43439 0 7 0x12 sshd
43439 400167 1 0 3 0x88 kqread sshd
48544 63243 43621 74 3 0x1100092 bpf pflogd
43621 231136 1 0 3 0x80 netio pflogd
98025 228097 78437 73 3 0x1100090 kqread syslogd
78437 193389 1 0 3 0x100082 netio syslogd
92953 311327 1 0 3 0x100080 kqread resolvd
48587 310055 0 0 3 0x14200 bored smr
1225 201582 0 0 2 0x14200 zerothread
45131 432900 0 0 3 0x14200 aiodoned aiodoned
41048 319853 0 0 3 0x14200 syncer update
34347 164109 0 0 3 0x14200 cleaner cleaner
92975 244744 0 0 3 0x14200 reaper reaper
76262 310621 0 0 3 0x14200 pgdaemon pagedaemon
24274 34382 0 0 3 0x14200 bored viomb
93259 270476 0 0 3 0x40014200 acpi0 acpi0
68047 387580 0 0 3 0x40014200 idle1
20315 141829 0 0 3 0x14200 bored softnet3
53848 245942 0 0 3 0x14200 bored softnet2
67726 212136 0 0 3 0x14200 bored softnet1
23526 156857 0 0 3 0x14200 bored softnet0
94209 518064 0 0 3 0x14200 bored systqmp
98685 283334 0 0 3 0x14200 bored systq
43133 419100 0 0 3 0x14200 tmoslp softclockmp
75086 252189 0 0 3 0x40014200 tmoslp softclock
33012 503324 0 0 3 0x40014200 idle0
1 393240 0 0 3 0x80082 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{0}> show all locks
Process 14617 (ndp) thread 0xffff80002bc977f8 (73549)
exclusive rwlock vmmaplk r = 0 (0xfffffd8068e74ba8)
#0 witness_lock+0x447
#1 rw_enter+0x3c8 sys/kern/kern_rwlock.c:309
#2 vm_map_lock_ln+0xfa sys/uvm/uvm_map.c:5372
#3 uvmfault_lookup+0xb6 sys/uvm/uvm_fault.c:1779
#4 uvm_fault_check+0x65d uvmfault_amapcopy sys/uvm/uvm_fault.c:236 [inline]
#4 uvm_fault_check+0x65d sys/uvm/uvm_fault.c:710
#5 uvm_fault+0xf2 sys/uvm/uvm_fault.c:600
#6 upageflttrap+0x86 sys/arch/amd64/amd64/trap.c:188
#7 usertrap+0x226 sys/arch/amd64/amd64/trap.c:436
#8 recall_trap+0x8
Process 3494 (syz-executor.3) thread 0xffff80002a1b7558 (340707)
exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82d86fb0)
#0 witness_lock+0x447
#1 __mp_acquire_count+0x48 sys/kern/kern_lock.c:227
#2 mi_switch+0x46f sys/kern/sched_bsd.c:470
#3 yield+0x5b sys/kern/sched_bsd.c:324
#4 pool_get+0x19d sys/kern/subr_pool.c:589
#5 ffs_vget+0x262 sys/ufs/ffs/ffs_vfsops.c:1264
#6 ufs_lookup+0x1188 sys/ufs/ufs/ufs_lookup.c:573
#7 VOP_LOOKUP+0x5c sys/kern/vfs_vops.c:85
#8 vfs_lookup+0x6e2 sys/kern/vfs_lookup.c:566
#9 namei+0x55a sys/kern/vfs_lookup.c:250
#10 dofstatat+0xaf sys/kern/vfs_syscalls.c:2065
#11 syscall+0x533 mi_syscall sys/sys/syscall_mi.h:183 [inline]
#11 syscall+0x533 sys/arch/amd64/amd64/trap.c:577
#12 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffffd806cab0a38)
#0 witness_lock+0x447
#1 rw_enter+0x3c8 sys/kern/kern_rwlock.c:309
#2 rrw_enter+0x8c sys/kern/kern_rwlock.c:464
#3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:518
#4 ufs_ihashins+0x46 sys/ufs/ufs/ufs_ihash.c:140
#5 ffs_vget+0x141 sys/ufs/ffs/ffs_vfsops.c:1230
#6 ufs_lookup+0x1188 sys/ufs/ufs/ufs_lookup.c:573
#7 VOP_LOOKUP+0x5c sys/kern/vfs_vops.c:85
#8 vfs_lookup+0x6e2 sys/kern/vfs_lookup.c:566
#9 namei+0x55a sys/kern/vfs_lookup.c:250
#10 dofstatat+0xaf sys/kern/vfs_syscalls.c:2065
#11 syscall+0x533 mi_syscall sys/sys/syscall_mi.h:183 [inline]
#11 syscall+0x533 sys/arch/amd64/amd64/trap.c:577
#12 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffffd8067858928)
#0 witness_lock+0x447
#1 rw_enter+0x3c8 sys/kern/kern_rwlock.c:309
#2 rrw_enter+0x8c sys/kern/kern_rwlock.c:464
#3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:518
#4 vn_lock+0x84 sys/kern/vfs_vnops.c:564
#5 vget+0x200 sys/kern/vfs_subr.c:676
#6 cache_lookup+0x2b4 sys/kern/vfs_cache.c:222
#7 ufs_lookup+0x1ac sys/ufs/ufs/ufs_lookup.c:160
#8 VOP_LOOKUP+0x5c sys/kern/vfs_vops.c:85
#9 vfs_lookup+0x6e2 sys/kern/vfs_lookup.c:566
#10 namei+0x55a sys/kern/vfs_lookup.c:250
#11 dofstatat+0xaf sys/kern/vfs_syscalls.c:2065
#12 syscall+0x533 mi_syscall sys/sys/syscall_mi.h:183 [inline]
#12 syscall+0x533 sys/arch/amd64/amd64/trap.c:577
#13 Xsyscall+0x128
ddb{0}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 10216 6500K 7066K 166960K 14159 0
pcb 15 16K 18K 166960K 1107 0
rtable 238 15K 15K 166960K 1475 0
pf 37 10K 10K 166960K 238 0
ifaddr 47 16K 16K 166960K 213 0
ifgroup 66 2K 2K 166960K 406 0
sysctl 3 0K 0K 166960K 3 0
counters 68 36K 37K 166960K 240 0
ioctlops 0 0K 4K 166960K 1845 0
iov 0 0K 32K 166960K 1045 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1490 93K 93K 166960K 5150 0
UFS quota 1 32K 32K 166960K 1 0
UFS mount 5 36K 36K 166960K 5 0
shm 2 1K 9K 166960K 99 0
VM map 2 1K 1K 166960K 2 0
sem 12 0K 0K 166960K 2147 0
dirhash 12 2K 2K 166960K 72 0
ACPI 1697 195K 286K 166960K 12548 0
file desc 18 65K 93K 166960K 9672 0
sigio 1 0K 0K 166960K 154 0
proc 69 67K 128K 166960K 1668 0
subproc 117 7K 7K 166960K 426 0
NFS srvsock 1 0K 0K 166960K 1 0
NFS daemon 1 16K 16K 166960K 1 0
ip_moptions 0 0K 0K 166960K 673 0
in_multi 99 7K 7K 166960K 430 0
ether_multi 1 0K 0K 166960K 3 0
mrt 1 0K 0K 166960K 4 0
ISOFS mount 1 32K 32K 166960K 1 0
MSDOSFS mount 1 16K 16K 166960K 1 0
ttys 223 996K 996K 166960K 223 0
exec 0 0K 1K 166960K 1857 0
pfkey data 0 0K 0K 166960K 3 0
tdb 3 0K 0K 166960K 3 0
VM swap 8 62K 64K 166960K 10 0
UVM amap 380 124K 130K 166960K 97149 0
UVM aobj 131 5K 5K 166960K 138 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
ip6_options 0 0K 1K 166960K 394 0
NDP 16 0K 2K 166960K 164 0
temp 74 6772K 137848K 166960K 52794 0
kqueue 6 10K 27K 166960K 819 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 120 625 0 623 6 5 1 4 0 8 0
rtentry 112 474 0 365 5 1 4 4 0 8 0
unpcb 144 7487 0 7477 71 70 1 10 0 8 0
syncache 336 74 0 74 15 14 1 1 0 8 1
tcpqe 32 129 0 129 12 12 0 1 0 8 0
tcpcb 808 2701 0 2691 85 82 3 15 0 8 0
arp 120 105 0 87 1 0 1 1 0 8 0
inpcb 392 7196 0 7186 116 113 3 16 0 8 0
nd6 136 100 0 77 1 0 1 1 0 8 0
pkpcb 40 13 0 13 4 4 0 1 0 8 0
kcovpl 48 32 0 23 1 0 1 1 0 8 0
ppxss 1168 12 0 12 4 4 0 1 0 8 0
pffrag 232 13 0 12 5 4 1 1 0 482 0
pffrnode 88 13 0 12 5 4 1 1 0 8 0
pffrent 40 48 0 47 7 6 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 24 338 0 328 1 0 1 1 0 8 0
pfstkey 128 338 0 328 3 1 2 2 0 8 1
pfstate 376 338 0 328 11 9 2 10 0 8 1
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 1669 0 1209 50 21 29 32 0 8 0
art_table 32 1670 0 1209 5 1 4 5 0 8 0
art_node 16 470 0 372 1 0 1 1 0 8 0
sysvmsgpl 40 3 0 3 1 1 0 1 0 8 0
semapl 112 2111 0 2101 1 0 1 1 0 8 0
shmpl 112 135 0 7 4 0 4 4 0 8 0
dirhash 1024 57 0 40 3 0 3 3 0 8 0
dino2pl 256 15319 0 13843 93 0 93 93 0 8 0
ffsino 272 15319 0 13843 99 0 99 99 0 8 0
nchpl 144 29538 0 27876 63 0 63 63 0 8 0
uvmvnodes 80 5926 0 0 121 0 121 121 0 8 0
vnodes 216 5926 0 0 330 0 330 330 0 8 0
namei 1024 98762 0 98761 11 10 1 3 0 8 0
percpumem 16 134 0 86 1 0 1 1 0 8 0
vcpupl 2048 17 0 1 2 0 2 2 0 8 0
vmpool 696 28 0 12 4 2 2 2 0 8 0
kstatmem 264 200 0 172 3 1 2 3 0 8 0
scxspl 216 81256 0 81256 18 17 1 8 1 8 1
plimitpl 152 874 0 858 1 0 1 1 0 8 0
sigapl 424 9980 0 9912 9 0 9 9 0 8 0
futexpl 64 78956 0 78956 2 1 1 1 0 8 1
knotepl 120 418 0 0 11 1 10 11 0 8 0
kqueuepl 216 1523 0 1518 21 20 1 8 0 8 0
pipepl 320 1419 0 1388 33 30 3 9 0 8 0
fdescpl 496 9939 0 9911 5 0 5 5 0 8 0
filepl 152 58223 0 57981 116 104 12 21 0 8 1
lockfpl 104 2657 0 2656 5 4 1 2 0 8 0
lockfspl 48 643 0 642 1 0 1 1 0 8 0
sessionpl 144 53 0 36 1 0 1 1 0 8 0
pgrppl 48 253 0 236 1 0 1 1 0 8 0
ucredpl 104 12687 0 12678 1 0 1 1 0 8 0
zombiepl 144 11316 0 11316 3 2 1 1 0 8 1
processpl 1136 9980 0 9912 6 0 6 6 0 8 0
procpl 680 27257 0 27170 13 4 9 10 0 8 0
srpgc 96 42 0 42 12 12 0 1 0 8 0
sosppl 168 61 0 59 1 0 1 1 0 8 0
sockpl 584 15337 0 15315 132 128 4 20 0 8 0
mcl64k 65536 22 0 0 3 0 3 3 0 8 0
mcl16k 16384 16 0 0 2 0 2 2 0 8 0
mcl12k 12288 25 0 0 2 0 2 2 0 8 0
mcl9k 9216 21 0 0 2 0 2 2 0 8 0
mcl8k 8192 20 0 0 3 0 3 3 0 8 0
mcl4k 4096 25 0 0 3 0 3 3 0 8 0
mcl2k2 2112 9 0 0 1 0 1 1 0 8 0
mcl2k 2048 336 0 0 34 12 22 34 0 8 0
mtagpl 96 175 0 0 5 1 4 5 0 8 0
mbufpl 256 1829 0 0 110 0 110 110 0 8 0
bufpl 280 17848 0 11530 452 0 452 452 0 8 0
anonpl 24 1059347 0 1047832 209 109 100 137 0 186 1
amapchunkpl 152 314673 0 313904 87 51 36 49 0 158 0
amappl16 200 21923 0 21483 106 79 27 40 0 8 1
amappl15 192 13 0 13 2 2 0 1 0 8 0
amappl14 184 230 0 217 2 1 1 2 0 8 0
amappl13 176 14 0 14 2 2 0 1 0 8 0
amappl12 168 10994 0 10960 4 2 2 3 0 8 0
amappl11 160 60 0 52 1 0 1 1 0 8 0
amappl10 152 55 0 40 1 0 1 1 0 8 0
amappl9 144 223 0 223 6 6 0 1 0 8 0
amappl8 136 555 0 436 8 3 5 5 0 8 0
amappl7 128 265 0 242 2 0 2 2 0 8 0
amappl6 120 791 0 777 1 0 1 1 0 8 0
amappl5 112 278 0 268 1 0 1 1 0 8 0
amappl4 104 721 0 690 2 1 1 2 0 8 0
amappl3 96 60087 0 60014 5 2 3 4 0 8 0
amappl2 88 10785 0 10719 3 1 2 3 0 8 0
amappl1 80 45125 0 44621 23 11 12 23 0 8 0
amappl 88 96232 0 96011 7 0 7 7 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 72 137 0 7 3 0 3 3 0 8 0
uaddrrnd 24 9967 0 9923 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 9967 0 9923 1 0 1 1 0 8 0
vmmpekpl 168 76872 0 76801 4 0 4 4 0 8 0
vmmpepl 168 601890 0 599650 340 210 130 140 0 357 6
vmsppl 448 9966 0 9923 7 1 6 6 0 8 0
rwobjpl 56 154683 0 147125 115 4 111 111 0 8 0
pdppl 4096 19941 0 19862 474 391 83 85 0 8 4
pvpl 32 44734 0 0 361 0 361 361 0 265 0
pmappl 248 9966 0 9923 3 0 3 3 0 8 0
extentpl 40 56 0 38 1 0 1 1 0 8 0
phpool 112 1147 0 669 15 0 15 15 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(ffffffff828e46db) at panic+0x17b sys/kern/subr_prf.c:198
vgonel(fffffd807794f478,ffff80002a1b7558) at vgonel+0x4d5 sys/kern/vfs_subr.c:1200
checkalias(fffffd80672f68b8,0,ffff8000006d2400) at checkalias+0x14c
ffs_vinit(ffff8000006d2400,ffff80002a1b1f90) at ffs_vinit+0x110 sys/ufs/ffs/ffs_subr.c:266
ffs_vget(ffff8000006d2400,cad2,ffff80002a1b2078) at ffs_vget+0x349 sys/ufs/ffs/ffs_vfsops.c:1283
ufs_lookup() at ufs_lookup+0x1188 sys/ufs/ufs/ufs_lookup.c:573
VOP_LOOKUP(fffffd80672f67e0,ffff80002a1b22f8,ffff80002a1b2328) at VOP_LOOKUP+0x5c sys/kern/vfs_vops.c:85
vfs_lookup(ffff80002a1b22c8) at vfs_lookup+0x6e2 sys/kern/vfs_lookup.c:566
namei(ffff80002a1b22c8) at namei+0x55a sys/kern/vfs_lookup.c:250
dofstatat(ffff80002a1b7558,ffffff9c,7b8135d2c270,7b8135d2c670,2) at dofstatat+0xaf sys/kern/vfs_syscalls.c:2065
syscall(ffff80002a1b2540) at syscall+0x533 mi_syscall sys/sys/syscall_mi.h:183 [inline]
syscall(ffff80002a1b2540) at syscall+0x533 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7b8135d2c720, 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
__mp_lock(ffffffff82d86da8) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline]
__mp_lock(ffffffff82d86da8) at __mp_lock+0x122 sys/kern/kern_lock.c:147
doppoll(ffff80002a1ab810,963b10a1690,4,0,ffff80002a1e2114,ffff80002a1e21b0) at doppoll+0x159 sys/kern/sys_generic.c:950
sys_ppoll(ffff80002a1ab810,ffff80002a1e2260,ffff80002a1e21b0) at sys_ppoll+0x137 sys/kern/sys_generic.c:916
syscall(ffff80002a1e2260) at syscall+0x5ae mi_syscall sys/sys/syscall_mi.h:183 [inline]
syscall(ffff80002a1e2260) at syscall+0x5ae sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7d7473d62300, count: 7
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
__mp_lock(ffffffff82d86da8) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline]
__mp_lock(ffffffff82d86da8) at __mp_lock+0x122 sys/kern/kern_lock.c:147
doppoll(ffff80002a1ab810,963b10a1690,4,0,ffff80002a1e2114,ffff80002a1e21b0) at doppoll+0x159 sys/kern/sys_generic.c:950
sys_ppoll(ffff80002a1ab810,ffff80002a1e2260,ffff80002a1e21b0) at sys_ppoll+0x137 sys/kern/sys_generic.c:916
syscall(ffff80002a1e2260) at syscall+0x5ae mi_syscall sys/sys/syscall_mi.h:183 [inline]
syscall(ffff80002a1e2260) at syscall+0x5ae sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7d7473d62300, count: -8