uvm_fault(0xfffffd806b9cd3e8, 0x48, 0, 1) -> e
kernel: page fault trap, code=0
Stopped at witness_checkorder+0xb5: movl 0x20(%r14),%r15d
TID PID UID PRFLAGS PFLAGS CPU COMMAND
445134 82047 0 0 0 0 syz-executor
witness_checkorder(28,9,0) at witness_checkorder+0xb5 sys/kern/subr_witness.c:779
mtx_enter(18) at mtx_enter+0x4a sys/kern/kern_lock.c:260
clockintr_unbind(ffff8000014e7630,1) at clockintr_unbind+0x56 sys/kern/kern_clockintr.c:375
dt_ioctl_record_stop(ffff800001484000) at dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:582
dtclose(11e5f,81,2000,ffff8000ffff2d08) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline]
dtclose(11e5f,81,2000,ffff8000ffff2d08) at dtclose+0x109 sys/dev/dt/dt_dev.c:232
spec_close(ffff80003c465ab0) at spec_close+0x466 sys/kern/spec_vnops.c:-1
VOP_CLOSE(fffffd805f117370,81,fffffd80097fb5b0,ffff8000ffff2d08) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156
vn_closefile(fffffd805de476d0,ffff8000ffff2d08) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline]
vn_closefile(fffffd805de476d0,ffff8000ffff2d08) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615
fdrop(fffffd805de476d0,ffff8000ffff2d08) at fdrop+0x121 sys/kern/kern_descrip.c:1280
closef(fffffd805de476d0,ffff8000ffff2d08) at closef+0x192 sys/kern/kern_descrip.c:1264
fdfree(ffff8000ffff2d08) at fdfree+0x116 sys/kern/kern_descrip.c:1195
exit1(ffff8000ffff2d08,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215
sys_exit(ffff8000ffff2d08,ffff80003c465e20,ffff80003c465d70) at sys_exit+0x1a sys/kern/kern_exit.c:-1
syscall(ffff80003c465e20) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80003c465e20) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:746
end trace frame: 0xffff80003c465ea0, count: 0
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{1}>
ddb{1}> set $lines = 0
ddb{1}> set $maxwidth = 0
ddb{1}> show panic
*cpu1: uvm_fault(0xfffffd806b9cd3e8, 0x48, 0, 1) -> e
ddb{1}> trace
witness_checkorder(28,9,0) at witness_checkorder+0xb5 sys/kern/subr_witness.c:779
mtx_enter(18) at mtx_enter+0x4a sys/kern/kern_lock.c:260
clockintr_unbind(ffff8000014e7630,1) at clockintr_unbind+0x56 sys/kern/kern_clockintr.c:375
dt_ioctl_record_stop(ffff800001484000) at dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:582
dtclose(11e5f,81,2000,ffff8000ffff2d08) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline]
dtclose(11e5f,81,2000,ffff8000ffff2d08) at dtclose+0x109 sys/dev/dt/dt_dev.c:232
spec_close(ffff80003c465ab0) at spec_close+0x466 sys/kern/spec_vnops.c:-1
VOP_CLOSE(fffffd805f117370,81,fffffd80097fb5b0,ffff8000ffff2d08) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156
vn_closefile(fffffd805de476d0,ffff8000ffff2d08) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline]
vn_closefile(fffffd805de476d0,ffff8000ffff2d08) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615
fdrop(fffffd805de476d0,ffff8000ffff2d08) at fdrop+0x121 sys/kern/kern_descrip.c:1280
closef(fffffd805de476d0,ffff8000ffff2d08) at closef+0x192 sys/kern/kern_descrip.c:1264
fdfree(ffff8000ffff2d08) at fdfree+0x116 sys/kern/kern_descrip.c:1195
exit1(ffff8000ffff2d08,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215
sys_exit(ffff8000ffff2d08,ffff80003c465e20,ffff80003c465d70) at sys_exit+0x1a sys/kern/kern_exit.c:-1
syscall(ffff80003c465e20) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80003c465e20) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:746
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x74739ba5ab30, count: -15
ddb{1}> show registers
rdi 0
rsi 0
rbp 0xffff80003c465910
rbx 0
rdx 0
rcx 0xffff8000ffff2d08
rax 0xffff8000299edffe
r8 0
r9 0x1
r10 0x91ca269fb87f52a3
r11 0xec92894a2cbd6730
r12 0xfe
r13 0x9
r14 0x28
r15 0
rip 0xffffffff82993765 witness_checkorder+0xb5
cs 0x8
rflags 0x10246 __ALIGN_SIZE+0xf246
rsp 0xffff80003c465870
ss 0x10
witness_checkorder+0xb5: movl 0x20(%r14),%r15d
ddb{1}> show proc
PROC (syz-executor) tid=168320 pid=12331 tcnt=0 stat=onproc
flags process=1008<EXITING,SINGLEEXIT> proc=2000<WEXIT>
runpri=32, usrpri=86, slppri=32, nice=20
wchan=0x0, wmesg=, ps_single=0xffff8000ffff2d08 scnt=-1 ecnt=1
forw=0xffffffffffffffff, list=0xffff8000324034f0,0xffff800032403a30
process=0xffff8000324121d0 user=0xffff80003c460000, vmspace=0xfffffd806b9cd3e8
estcpu=36, cpticks=5, pctcpu=0.0, user=0, sys=1, intr=0
ddb{1}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
61432 25642 95045 0 2 0 syz-executor
82047 445134 67627 0 7 0 syz-executor
82047 471781 67627 0 2 0x4000000 syz-executor
76949 397941 17392 0 2 0 syz-executor
76949 375166 17392 0 3 0x4000080 fsleep syz-executor
76949 172464 17392 0 3 0x4000080 pipewr syz-executor
53301 247992 70695 0 3 0x80 nanoslp syz-executor
53301 498147 70695 0 3 0x4000080 kqsel syz-executor
53301 55457 70695 0 3 0x4000080 fsleep syz-executor
24727 403570 95017 0 3 0x80 nanoslp syz-executor
24727 352134 95017 0 3 0x4000080 netcon syz-executor
24727 50099 95017 0 3 0x4000080 fsleep syz-executor
52944 454608 1 0 3 0x100083 ttyin getty
36069 426146 0 0 3 0x14200 acct acct
15430 172059 0 0 3 0x14280 nfsidl nfsio
82171 141757 0 0 3 0x14280 nfsidl nfsio
73882 51140 0 0 3 0x14280 nfsidl nfsio
53223 251449 0 0 3 0x14280 nfsidl nfsio
99908 280818 0 0 3 0x14280 nfsidl nfsio
57445 377272 0 0 3 0x14280 nfsidl nfsio
27440 290273 0 0 3 0x14280 nfsidl nfsio
73085 291724 0 0 3 0x14280 nfsidl nfsio
40142 353224 0 0 3 0x14280 nfsidl nfsio
47412 236920 0 0 3 0x14280 nfsidl nfsio
95378 28255 0 0 3 0x14280 nfsidl nfsio
95734 376519 0 0 3 0x14280 nfsidl nfsio
85478 80904 0 0 3 0x14280 nfsidl nfsio
60339 522887 0 0 3 0x14280 nfsidl nfsio
86427 321226 0 0 3 0x14280 nfsidl nfsio
15947 238113 0 0 3 0x14280 nfsidl nfsio
31592 433248 0 0 3 0x14280 nfsidl nfsio
6265 215609 0 0 3 0x14280 nfsidl nfsio
20517 177230 0 0 3 0x14280 nfsidl nfsio
69432 202507 0 0 3 0x14280 nfsidl nfsio
16876 444253 0 0 3 0x14200 bored sosplice
17392 504243 6648 0 3 0x82 nanoslp syz-executor
67627 174589 6648 0 3 0x82 nanoslp syz-executor
62018 99108 6648 0 3 0x2 biowait syz-executor
95720 394727 6648 0 3 0x82 nanoslp syz-executor
66253 22724 6648 0 3 0x82 nanoslp syz-executor
95045 478908 6648 0 3 0x82 nanoslp syz-executor
70695 403961 6648 0 3 0x82 nanoslp syz-executor
95017 59442 6648 0 3 0x82 nanoslp syz-executor
6648 177743 59493 0 3 0x82 kqread syz-executor
59493 417827 9309 0 3 0x10008a sigsusp ksh
9309 218146 32279 0 3 0x98 kqread sshd-session
32279 85852 24244 0 3 0x92 kqread sshd-session
24244 17256 1 0 3 0x88 kqread sshd
3891 166693 98183 74 3 0x1100092 bpf pflogd
98183 239531 1 0 3 0x80 sbwait pflogd
5274 373330 84307 73 3 0x1100090 kqread syslogd
84307 425400 1 0 3 0x100082 sbwait syslogd
8554 238055 1 0 3 0x100080 kqread resolvd
82830 408340 79165 77 3 0x100092 kqread dhcpleased
86733 17837 79165 77 3 0x100092 kqread dhcpleased
79165 456038 1 0 3 0x80 kqread dhcpleased
87795 394028 0 0 3 0x14200 bored smr
92167 229727 0 0 3 0x14200 pgzero zerothread
31877 317629 0 0 3 0x14200 aiodoned aiodoned
37581 36031 0 0 3 0x14200 syncer update
38541 432813 0 0 3 0x14200 cleaner cleaner
55165 259008 0 0 2 0x14200 reaper
35850 304852 0 0 3 0x14200 pgdaemon pagedaemon
60545 431673 0 0 3 0x14200 bored viomb
71689 181745 0 0 3 0x40014200 acpi0 acpi0
4279 328792 0 0 3 0x40014200 idle1
201 443117 0 0 3 0x14200 bored softnet7
80174 330681 0 0 3 0x14200 bored softnet6
76875 140662 0 0 3 0x14200 bored softnet5
32999 235461 0 0 3 0x14200 bored softnet4
6535 107161 0 0 3 0x14200 bored softnet3
62280 17276 0 0 3 0x14200 bored softnet2
35585 174563 0 0 3 0x14200 bored softnet1
18722 467099 0 0 2 0x14200 softnet0
82668 169548 0 0 3 0x14200 bored systqmp
41589 222029 0 0 3 0x14200 bored systq
9832 227016 0 0 3 0x14200 tmoslp softclockmp
91482 132239 0 0 3 0x40014200 tmoslp softclock
89118 416576 0 0 3 0x40014200 idle0
1 109496 0 0 3 0x82 wait init
0 0 -1 0 3 0x10010200 scheduler swapper
ddb{1}> show all locks
Process 82047 (syz-executor) thread 0xffff80003c4bb260 (471781)
exclusive rwlock vmmaplk r = 0 (0xfffffd806b9cd300)
#0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320
#2 vm_map_lock_ln+0x12e sys/uvm/uvm_map.c:5168
#3 uvmfault_lookup+0xe8 sys/uvm/uvm_fault.c:1918
#4 uvm_fault_check+0x895 uvmfault_amapcopy sys/uvm/uvm_fault.c:235 [inline]
#4 uvm_fault_check+0x895 sys/uvm/uvm_fault.c:784
#5 uvm_fault+0x106 sys/uvm/uvm_fault.c:677
#6 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192
#7 usertrap+0x3c6 sys/arch/amd64/amd64/trap.c:603
#8 recall_trap+0x8
Process 62018 (syz-executor) thread 0xffff8000ffff2fa0 (99108)
exclusive rrwlock inode r = 0 (0xfffffd8071a88c88)
#0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320
#2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621
#3 VOP_LOCK+0xa3 sys/kern/vfs_vops.c:527
#4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570
#5 vget+0x2a2 sys/kern/vfs_subr.c:693
#6 ufs_ihashget+0x185 sys/ufs/ufs/ufs_ihash.c:98
#7 ffs_vget+0x8c sys/ufs/ffs/ffs_vfsops.c:1203
#8 ufs_lookup+0x1a36 sys/ufs/ufs/ufs_lookup.c:478
#9 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85
#10 vfs_lookup+0x93a sys/kern/vfs_lookup.c:566
#11 namei+0x7ca sys/kern/vfs_lookup.c:250
#12 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1868
#13 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#13 syscall+0xb17 sys/arch/amd64/amd64/trap.c:746
#14 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffffd806e9d4e88)
#0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320
#2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621
#3 VOP_LOCK+0xa3 sys/kern/vfs_vops.c:527
#4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570
#5 vget+0x2a2 sys/kern/vfs_subr.c:693
#6 cache_lookup+0x351 sys/kern/vfs_cache.c:222
#7 ufs_lookup+0x1e3 sys/ufs/ufs/ufs_lookup.c:160
#8 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85
#9 vfs_lookup+0x93a sys/kern/vfs_lookup.c:566
#10 namei+0x7ca sys/kern/vfs_lookup.c:250
#11 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1868
#12 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#12 syscall+0xb17 sys/arch/amd64/amd64/trap.c:746
#13 Xsyscall+0x128
Process 55165 (reaper) thread 0xffff8000ffffc538 (259008)
exclusive rwlock kmmaplk r = 0 (0xffffffff83968b80)
#0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320
#2 vm_map_lock_ln+0x12e sys/uvm/uvm_map.c:5168
#3 uvm_unmap+0x7d sys/uvm/uvm_map.c:1792
#4 km_free+0x87 sys/uvm/uvm_km.c:831
#5 uvm_uarea_free+0x4f sys/uvm/uvm_glue.c:304
#6 reaper+0x1aa sys/kern/kern_exit.c:493
#7 proc_trampoline+0x10
ddb{1}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 10256 11075K 11225K 166960K 12180 0
pcb 17 14K 28K 166960K 245 0
rtable 162 8K 9K 166960K 410 0
pf 37 18K 19K 166960K 160 0
ifaddr 36 6K 8K 166960K 113 0
ifgroup 62 2K 3K 166960K 193 0
sysctl 4 1K 9K 166960K 13 0
counters 70 37K 38K 166960K 232 0
ioctlops 0 0K 4K 166960K 1701 0
iov 0 0K 30K 166960K 85 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1396 88K 89K 166960K 2292 0
UFS quota 1 32K 32K 166960K 1 0
UFS mount 5 36K 36K 166960K 5 0
shm 2 1K 9K 166960K 18 0
VM map 2 1K 1K 166960K 2 0
sem 12 0K 1K 166960K 87 0
dirhash 12 2K 2K 166960K 30 0
ACPI 1692 195K 286K 166960K 12470 0
file desc 17 61K 240K 166960K 1218 0
sigio 0 0K 0K 166960K 18 0
proc 72 115K 180K 166960K 660 0
subproc 72 4K 4K 166960K 74 0
NFS srvsock 1 0K 0K 166960K 1 0
NFS daemon 1 16K 16K 166960K 1 0
ip_moptions 0 0K 0K 166960K 225 0
in_multi 72 5K 7K 166960K 160 0
ether_multi 1 0K 0K 166960K 15 0
mrt 2 0K 0K 166960K 7 0
ISOFS mount 1 32K 32K 166960K 1 0
MSDOSFS mount 1 16K 16K 166960K 1 0
ttys 241 1076K 1076K 166960K 241 0
exec 0 0K 1K 166960K 473 0
fusefs mount 1 32K 32K 166960K 1 0
pfkey data 0 0K 0K 166960K 2 0
tdb 3 0K 0K 166960K 3 0
VM swap 8 62K 64K 166960K 10 0
UVM amap 225 151K 168K 166960K 12875 0
UVM aobj 14 2K 2K 166960K 14 0
pinsyscall 42 84K 102K 166960K 2318 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
ip6_options 1 0K 0K 166960K 101 0
NDP 13 0K 2K 166960K 81 0
temp 79 8656K 8724K 166960K 48168 0
kqueue 14 22K 30K 166960K 250 0
SYN cache 2 16K 16K 166960K 2 0
ddb{1}> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
plcache 128 26 0 0 1 0 1 1 0 8 0
rtpcb 120 233 0 229 5 2 3 3 0 8 2
rtentry 176 132 0 68 5 0 5 5 0 8 0
unpcb 144 1035 0 1018 10 2 8 8 0 8 7
syncache 336 9 0 9 4 4 0 1 0 8 0
tcpqe 32 1 0 1 1 1 0 1 0 8 0
tcpcb 736 410 0 403 9 7 2 7 0 8 1
arp 128 16 0 6 1 0 1 1 0 8 0
inpcb 328 1305 0 1290 11 9 2 9 0 8 0
nd6 144 21 0 8 1 0 1 1 0 8 0
pkpcb 40 7 0 7 4 3 1 1 0 8 1
kcovpl 48 8 0 0 1 0 1 1 0 8 0
mppekey 1024 1 0 1 1 1 0 1 0 8 0
ppxss 1192 70 0 70 3 2 1 1 0 8 1
pppxif 1504 5 0 5 3 2 1 1 0 8 1
pffrag 232 8 0 2 1 0 1 1 0 482 0
pffrnode 88 8 0 2 1 0 1 1 0 8 0
pffrent 40 10 0 4 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 98 0 26 1 0 1 1 0 8 0
pfstkey 128 98 0 26 3 0 3 3 0 8 0
pfstate 384 98 0 26 8 0 8 8 0 8 0
pfrule 1344 22 0 16 2 1 1 2 0 8 0
art_heap8 4096 2 0 0 2 0 2 2 0 8 0
art_heap4 256 626 0 299 31 8 23 30 0 8 0
art_table 40 628 0 299 5 0 5 5 0 8 0
art_node 32 130 0 74 1 0 1 1 0 8 0
sysvmsgpl 40 1 0 1 1 1 0 1 0 8 0
semupl 112 1 0 1 1 1 0 1 0 8 0
semapl 112 65 0 55 1 0 1 1 0 8 0
shmpl 112 11 0 0 1 0 1 1 0 8 0
dirhash 1024 30 0 13 3 0 3 3 0 8 0
dino2pl 256 3889 0 2387 95 0 95 95 0 8 0
ffsino 296 3889 0 2387 117 0 117 117 0 8 0
nchpl 144 5611 0 5075 64 32 32 64 0 8 8
rtmask 32 3 0 3 2 2 0 1 0 8 0
uvmvnodes 80 4264 0 0 88 0 88 88 0 8 0
vnodes 216 4264 0 0 237 0 237 237 0 8 0
namei 1024 18790 0 18789 3 2 1 2 0 8 0
percpumem 16 131 0 81 1 0 1 1 0 8 0
kstatmem 264 132 0 102 4 1 3 3 0 8 0
acpiwqpl 32 65 0 65 1 0 1 1 1 8 1
scsiplug 72 3 0 3 1 1 0 1 0 8 0
scxspl 216 24445 0 24444 16 12 4 8 1 8 3
plimitpl 152 245 0 228 1 0 1 1 0 8 0
sigapl 424 1532 0 1457 9 0 9 9 0 8 0
knotepl 120 502 0 0 16 0 16 16 0 8 0
kqueuepl 224 451 0 440 5 4 1 3 0 8 0
pipepl 344 326 0 298 6 0 6 6 0 8 3
fdescpl 528 1485 0 1454 3 0 3 3 0 8 0
filepl 160 10082 0 9852 31 11 20 24 0 8 7
lockfpl 104 522 0 519 2 0 2 2 0 8 1
lockfspl 48 125 0 122 1 0 1 1 0 8 0
sessionpl 144 26 0 17 1 0 1 1 0 8 0
pgrppl 48 150 0 133 1 0 1 1 0 8 0
ucredpl 104 1958 0 1945 1 0 1 1 0 8 0
zombiepl 144 1918 0 1916 1 0 1 1 0 8 0
processpl 1232 1532 0 1457 6 0 6 6 0 8 0
procpl 664 3389 0 3306 8 0 8 8 0 8 0
sosppl 168 3 0 3 2 2 0 1 0 8 0
sockpl 752 2666 0 2630 39 26 13 21 0 8 8
mcl64k 65536 8 0 0 1 0 1 1 0 8 0
mcl16k 16384 5 0 0 1 0 1 1 0 8 0
mcl8k 8192 6 0 0 1 0 1 1 0 8 0
mcl4k 4096 121 0 0 16 0 16 16 0 8 0
mcl2k2 2112 3 0 0 1 0 1 1 0 8 0
mcl2k 2048 36 0 0 4 0 4 4 0 8 0
mtagpl 96 7 0 0 1 0 1 1 0 8 0
mbufpl 256 278 0 0 17 0 17 17 0 8 0
bufpl 280 9653 0 3510 440 0 440 440 0 8 0
anonpl 32 10998 0 0 89 0 89 89 0 246 0
amapchunkpl 152 42984 0 42540 36 11 25 29 0 158 2
amappl16 200 4215 0 4178 44 31 13 20 0 8 8
amappl15 192 9 0 8 1 0 1 1 0 8 0
amappl14 184 118 0 106 1 0 1 1 0 8 0
amappl13 176 73 0 73 1 1 0 1 0 8 0
amappl12 168 2145 0 2115 3 1 2 2 0 8 0
amappl11 160 62 0 48 1 0 1 1 0 8 0
amappl10 152 6 0 6 1 1 0 1 0 8 0
amappl9 144 257 0 257 2 2 0 1 0 8 0
amappl8 136 47 0 44 1 0 1 1 0 8 0
amappl7 128 133 0 121 1 0 1 1 0 8 0
amappl6 120 183 0 179 1 0 1 1 0 8 0
amappl5 112 125 0 115 1 0 1 1 0 8 0
amappl4 104 312 0 291 1 0 1 1 0 8 0
amappl3 96 8673 0 8569 5 1 4 4 0 8 0
amappl2 88 664 0 599 2 0 2 2 0 8 0
amappl1 80 13066 0 12469 15 0 15 15 0 8 0
amappl 88 11951 0 11798 5 0 5 5 0 92 0
dma8192 8192 1 0 1 1 0 1 1 0 8 1
dma4096 4096 1 0 1 1 1 0 1 0 8 0
dma1024 1024 2 0 1 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 1 0 1 0 8 0
dma128 128 255 0 255 2 2 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 13 0 0 1 0 1 1 0 8 0
uaddrrnd 24 1485 0 1454 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 1485 0 1454 1 0 1 1 0 8 0
vmmpekpl 168 13698 0 13659 3 0 3 3 0 8 0
vmmpepl 168 97288 0 95280 113 11 102 107 0 357 1
vmsppl 488 1484 0 1454 5 1 4 5 0 8 0
rwobjpl 80 30967 0 25764 111 0 111 111 0 8 0
pdppl 4096 2977 0 2908 112 41 71 85 0 8 2
pvpl 32 19673 0 0 159 0 159 159 0 265 0
pmappl 256 1484 0 1454 3 0 3 3 0 8 0
extentpl 40 45 0 27 1 0 1 1 0 8 0
phpool 112 308 0 65 8 0 8 8 0 8 0
ddb{1}> machine ddbcpu 0
Stopped at x86_ipi_db+0x27: addq $0x8,%rsp
x86_ipi_db(ffffffff8381bff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394
x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27
__mp_lock(ffffffff8387c130) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:134 [inline]
__mp_lock(ffffffff8387c130) at __mp_lock+0x192 sys/kern/kern_lock.c:165
intr_handler(ffff80003c4a7ee0,ffff800000079a80) at intr_handler+0xe9 sys/arch/amd64/amd64/intr.c:559
Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f
end of kernel
end trace frame: 0x73afaaddeab0, count: 9
ddb{0}> trace
x86_ipi_db(ffffffff8381bff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394
x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27
__mp_lock(ffffffff8387c130) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:134 [inline]
__mp_lock(ffffffff8387c130) at __mp_lock+0x192 sys/kern/kern_lock.c:165
intr_handler(ffff80003c4a7ee0,ffff800000079a80) at intr_handler+0xe9 sys/arch/amd64/amd64/intr.c:559
Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f
end of kernel
end trace frame: 0x73afaaddeab0, count: -6
ddb{0}> machine ddbcpu 1
Stopped at witness_checkorder+0xb5: movl 0x20(%r14),%r15d
witness_checkorder(28,9,0) at witness_checkorder+0xb5 sys/kern/subr_witness.c:779
mtx_enter(18) at mtx_enter+0x4a sys/kern/kern_lock.c:260
clockintr_unbind(ffff8000014e7630,1) at clockintr_unbind+0x56 sys/kern/kern_clockintr.c:375
dt_ioctl_record_stop(ffff800001484000) at dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:582
dtclose(11e5f,81,2000,ffff8000ffff2d08) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline]
dtclose(11e5f,81,2000,ffff8000ffff2d08) at dtclose+0x109 sys/dev/dt/dt_dev.c:232
spec_close(ffff80003c465ab0) at spec_close+0x466 sys/kern/spec_vnops.c:-1
VOP_CLOSE(fffffd805f117370,81,fffffd80097fb5b0,ffff8000ffff2d08) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156
vn_closefile(fffffd805de476d0,ffff8000ffff2d08) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline]
vn_closefile(fffffd805de476d0,ffff8000ffff2d08) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615
fdrop(fffffd805de476d0,ffff8000ffff2d08) at fdrop+0x121 sys/kern/kern_descrip.c:1280
closef(fffffd805de476d0,ffff8000ffff2d08) at closef+0x192 sys/kern/kern_descrip.c:1264
fdfree(ffff8000ffff2d08) at fdfree+0x116 sys/kern/kern_descrip.c:1195
exit1(ffff8000ffff2d08,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215
sys_exit(ffff8000ffff2d08,ffff80003c465e20,ffff80003c465d70) at sys_exit+0x1a sys/kern/kern_exit.c:-1
syscall(ffff80003c465e20) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80003c465e20) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:746
end trace frame: 0xffff80003c465ea0, count: 0
ddb{1}> trace
witness_checkorder(28,9,0) at witness_checkorder+0xb5 sys/kern/subr_witness.c:779
mtx_enter(18) at mtx_enter+0x4a sys/kern/kern_lock.c:260
clockintr_unbind(ffff8000014e7630,1) at clockintr_unbind+0x56 sys/kern/kern_clockintr.c:375
dt_ioctl_record_stop(ffff800001484000) at dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:582
dtclose(11e5f,81,2000,ffff8000ffff2d08) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline]
dtclose(11e5f,81,2000,ffff8000ffff2d08) at dtclose+0x109 sys/dev/dt/dt_dev.c:232
spec_close(ffff80003c465ab0) at spec_close+0x466 sys/kern/spec_vnops.c:-1
VOP_CLOSE(fffffd805f117370,81,fffffd80097fb5b0,ffff8000ffff2d08) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156
vn_closefile(fffffd805de476d0,ffff8000ffff2d08) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline]
vn_closefile(fffffd805de476d0,ffff8000ffff2d08) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615
fdrop(fffffd805de476d0,ffff8000ffff2d08) at fdrop+0x121 sys/kern/kern_descrip.c:1280
closef(fffffd805de476d0,ffff8000ffff2d08) at closef+0x192 sys/kern/kern_descrip.c:1264
fdfree(ffff8000ffff2d08) at fdfree+0x116 sys/kern/kern_descrip.c:1195
exit1(ffff8000ffff2d08,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215
sys_exit(ffff8000ffff2d08,ffff80003c465e20,ffff80003c465d70) at sys_exit+0x1a sys/kern/kern_exit.c:-1
syscall(ffff80003c465e20) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80003c465e20) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:746
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x74739ba5ab30, count: -15