witness: lock order reversal:
1st 0xffffffff83894e00 &cq->cq_mtx (&cq->cq_mtx)
2nd 0xffffffff839c3010 &sched_lock (&sched_lock)
lock order [1] &cq->cq_mtx (&cq->cq_mtx) -> [2] &sched_lock (&sched_lock)
#0 mtx_enter+0x4a sys/kern/kern_lock.c:260
#1 sleep_setup+0xc6 sys/kern/kern_synch.c:302
#2 msleep_nsec+0x119 sys/kern/kern_synch.c:217
#3 dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:576
#4 dtclose+0x105 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline]
#4 dtclose+0x105 sys/dev/dt/dt_dev.c:232
#5 spec_close+0x45f sys/kern/spec_vnops.c:-1
#6 VOP_CLOSE+0x133 sys/kern/vfs_vops.c:156
#7 vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline]
#7 vn_closefile+0x12b sys/kern/vfs_vnops.c:615
#8 fdrop+0x126 sys/kern/kern_descrip.c:1267
#9 closef+0x192 sys/kern/kern_descrip.c:1251
#10 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#10 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:748
#11 Xsyscall+0x128
lock order [2] &sched_lock (&sched_lock) -> [1] &cq->cq_mtx (&cq->cq_mtx)
#0 mtx_enter+0x4a sys/kern/kern_lock.c:260
#1 clockintr_cancel+0x2f sys/kern/kern_clockintr.c:323
#2 mi_switch+0x172 x86_atomic_clearbits_u32 machine/atomic.h:-1 [inline]
#2 mi_switch+0x172 sys/kern/sched_bsd.c:374
#3 ast+0x165 mi_ast sys/sys/syscall_mi.h:252 [inline]
#3 ast+0x165 sys/arch/amd64/amd64/trap.c:712
#4 intr_user_exit+0x3c
Stopped at db_enter+0x25: addq $0x8,%rsp
ddb{1}>
ddb{1}> set $lines = 0
ddb{1}> set $maxwidth = 0
ddb{1}> show panic
the kernel did not panic
ddb{1}> trace
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
witness_checkorder(ffffffff839c3010,9,0) at witness_checkorder+0x10fb sys/kern/subr_witness.c:-1
mtx_enter(ffffffff839c3000) at mtx_enter+0x4a sys/kern/kern_lock.c:260
sleep_setup(ffffffff83894e50,220,ffffffff833aeb55) at sleep_setup+0xc6 sys/kern/kern_synch.c:302
msleep_nsec(ffffffff83894e50,ffffffff83894df0,220,ffffffff833aeb55,ffffffffffffffff) at msleep_nsec+0x119 sys/kern/kern_synch.c:217
dt_ioctl_record_stop(ffff8000014a7000) at dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:576
dtclose(11e5f,81,2000,ffff80003c43aa68) at dtclose+0x105 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline]
dtclose(11e5f,81,2000,ffff80003c43aa68) at dtclose+0x105 sys/dev/dt/dt_dev.c:232
spec_close(ffff80003c4473a0) at spec_close+0x45f sys/kern/spec_vnops.c:-1
VOP_CLOSE(fffffd807108c6d8,81,fffffd80097fb548,ffff80003c43aa68) at VOP_CLOSE+0x133 sys/kern/vfs_vops.c:156
vn_closefile(fffffd8064d9f590,ffff80003c43aa68) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline]
vn_closefile(fffffd8064d9f590,ffff80003c43aa68) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615
fdrop(fffffd8064d9f590,ffff80003c43aa68) at fdrop+0x126 sys/kern/kern_descrip.c:1267
closef(fffffd8064d9f590,ffff80003c43aa68) at closef+0x192 sys/kern/kern_descrip.c:1251
syscall(ffff80003c447600) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80003c447600) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:748
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xbdb44c95ec0, count: -14
ddb{1}> show registers
rdi 0
rsi 0
rbp 0xffff80003c4470a0
rbx 0xfffffd800474dc48
rdx 0
rcx 0xffff80003c43aa68
rax 0xffff8000299ddff0
r8 0xffff80003c446f80
r9 0x8080808080808080
r10 0x566e23b127aff31b
r11 0xf25813ca1d21a565
r12 0
r13 0xfffffd8003f5d300
r14 0x3
r15 0xffffffff
rip 0xffffffff81fadfc5 db_enter+0x25
cs 0x8
rflags 0x246
rsp 0xffff80003c447090
ss 0x10
db_enter+0x25: addq $0x8,%rsp
ddb{1}> show proc
PROC (syz-executor) tid=82567 pid=25959 tcnt=3 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=0xffff80003c43a548,0xffff80003c43b9d8
process=0xffff8000fffe9380 user=0xffff80003c442000, vmspace=0xfffffd800b027780
estcpu=36, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0
ddb{1}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
7371 293586 20072 0 7 0 syz-executor
7371 7374 20072 0 2 0x4000000 syz-executor
25959 459815 76892 0 2 0 syz-executor
25959 263915 76892 0 2 0x4000000 syz-executor
*25959 82567 76892 0 7 0x4000000 syz-executor
84036 21357 36650 0 2 0 syz-executor
84036 460631 36650 0 3 0x4000080 fsleep syz-executor
51347 306842 9968 0 2 0 syz-executor
51347 29448 9968 0 3 0x4000080 fsleep syz-executor
64890 52820 17901 0 2 0 syz-executor
64890 80552 17901 0 3 0x4000000 biowait syz-executor
64890 253129 17901 0 3 0x4000000 inode syz-executor
64890 302552 17901 0 3 0x4000080 fsleep syz-executor
56276 335341 93258 0 2 0x2 syz-executor
91055 104532 1 0 3 0x100083 ttyin getty
36650 118523 93258 0 3 0x82 nanoslp syz-executor
9968 254722 93258 0 3 0x82 nanoslp syz-executor
99812 12801 0 0 3 0x14200 acct acct
29131 37432 93258 0 3 0x82 wait syz-executor
27480 400070 0 0 3 0x14280 nfsidl nfsio
10833 213813 0 0 3 0x14280 nfsidl nfsio
21464 138364 0 0 3 0x14280 nfsidl nfsio
62718 499267 0 0 3 0x14280 nfsidl nfsio
20788 99031 0 0 3 0x14280 nfsidl nfsio
59300 440680 0 0 3 0x14280 nfsidl nfsio
86376 134929 0 0 3 0x14280 nfsidl nfsio
89803 254282 0 0 3 0x14280 nfsidl nfsio
68826 323969 0 0 3 0x14280 nfsidl nfsio
91585 345293 0 0 3 0x14280 nfsidl nfsio
21466 445913 0 0 3 0x14280 nfsidl nfsio
53840 480609 0 0 3 0x14280 nfsidl nfsio
57011 253780 0 0 3 0x14280 nfsidl nfsio
60941 241918 0 0 3 0x14280 nfsidl nfsio
92348 491472 0 0 3 0x14280 nfsidl nfsio
74756 420479 0 0 3 0x14280 nfsidl nfsio
97880 268241 0 0 3 0x14280 nfsidl nfsio
29965 472774 0 0 3 0x14280 nfsidl nfsio
55026 357312 0 0 3 0x14280 nfsidl nfsio
56932 266171 0 0 3 0x14280 nfsidl nfsio
60967 315213 0 0 3 0x14200 bored sosplice
70035 460395 93258 0 2 0x2 syz-executor
20072 106721 93258 0 3 0x82 nanoslp syz-executor
76892 115718 93258 0 3 0x82 nanoslp syz-executor
17901 219100 93258 0 3 0x82 nanoslp syz-executor
93258 42824 71172 0 3 0x82 kqread syz-executor
71172 494683 93361 0 3 0x10008a sigsusp ksh
93361 376675 12596 0 3 0x98 kqread sshd-session
12596 352421 61947 0 3 0x92 kqread sshd-session
61947 238601 1 0 3 0x88 kqread sshd
80627 344141 94321 74 3 0x1100092 bpf pflogd
94321 410764 1 0 3 0x80 sbwait pflogd
37655 461828 4085 73 3 0x1100090 kqread syslogd
4085 151583 1 0 3 0x100082 sbwait syslogd
89439 353776 1 0 3 0x100080 kqread resolvd
27034 357873 77296 77 3 0x100092 kqread dhcpleased
62047 433843 77296 77 3 0x100092 kqread dhcpleased
77296 348379 1 0 3 0x80 kqread dhcpleased
52195 253213 0 0 3 0x14200 bored smr
49772 107834 0 0 2 0x14200 zerothread
77688 226120 0 0 3 0x14200 aiodoned aiodoned
13562 378521 0 0 3 0x14200 syncer update
62349 438981 0 0 3 0x14200 cleaner cleaner
48005 186589 0 0 3 0x14200 reaper reaper
36336 519509 0 0 3 0x14200 pgdaemon pagedaemon
32035 433206 0 0 3 0x14200 bored viomb
67376 406142 0 0 3 0x40014200 acpi0 acpi0
72194 251708 0 0 3 0x40014200 idle1
886 93685 0 0 3 0x14200 bored softnet3
32974 172664 0 0 3 0x14200 bored softnet2
70313 37928 0 0 3 0x14200 bored softnet1
71516 375272 0 0 3 0x14200 bored softnet0
46481 320586 0 0 3 0x14200 bored systqmp
44898 20319 0 0 3 0x14200 bored systq
37601 210986 0 0 3 0x14200 tmoslp softclockmp
4985 102585 0 0 3 0x40014200 tmoslp softclock
46343 234161 0 0 3 0x40014200 idle0
1 288276 0 0 3 0x82 wait init
0 0 -1 0 3 0x10010200 scheduler swapper
ddb{1}> show all locks
CPU 1:
exclusive mutex &cq->cq_mtx r = 0 (0xffffffff83894e00)
#0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5bb sys/kern/subr_witness.c:1160
#1 mtx_enter_try+0x1ad sys/kern/kern_lock.c:311
#2 mtx_enter+0x13b sys/kern/kern_lock.c:261
#3 clockintr_unbind+0x56 sys/kern/kern_clockintr.c:375
#4 dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:576
#5 dtclose+0x105 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline]
#5 dtclose+0x105 sys/dev/dt/dt_dev.c:232
#6 spec_close+0x45f sys/kern/spec_vnops.c:-1
#7 VOP_CLOSE+0x133 sys/kern/vfs_vops.c:156
#8 vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline]
#8 vn_closefile+0x12b sys/kern/vfs_vnops.c:615
#9 fdrop+0x126 sys/kern/kern_descrip.c:1267
#10 closef+0x192 sys/kern/kern_descrip.c:1251
#11 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#11 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:748
#12 Xsyscall+0x128
Process 25959 (syz-executor) thread 0xffff80003c43aa68 (82567)
exclusive rwlock dtlk r = 0 (0xffffffff837f3fe8)
#0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5bb sys/kern/subr_witness.c:1160
#1 rw_do_enter_write+0x377 sys/kern/kern_rwlock.c:310
#2 dt_ioctl_record_stop+0x68 sys/dev/dt/dt_dev.c:-1
#3 dtclose+0x105 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline]
#3 dtclose+0x105 sys/dev/dt/dt_dev.c:232
#4 spec_close+0x45f sys/kern/spec_vnops.c:-1
#5 VOP_CLOSE+0x133 sys/kern/vfs_vops.c:156
#6 vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline]
#6 vn_closefile+0x12b sys/kern/vfs_vnops.c:615
#7 fdrop+0x126 sys/kern/kern_descrip.c:1267
#8 closef+0x192 sys/kern/kern_descrip.c:1251
#9 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#9 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:748
#10 Xsyscall+0x128
exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83940f90)
#0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5bb sys/kern/subr_witness.c:1160
#1 vn_closefile+0x41 sys/kern/vfs_vnops.c:608
#2 fdrop+0x126 sys/kern/kern_descrip.c:1267
#3 closef+0x192 sys/kern/kern_descrip.c:1251
#4 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#4 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:748
#5 Xsyscall+0x128
exclusive mutex &cq->cq_mtx r = 0 (0xffffffff83894e00)
#0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5bb sys/kern/subr_witness.c:1160
#1 mtx_enter_try+0x1ad sys/kern/kern_lock.c:311
#2 mtx_enter+0x13b sys/kern/kern_lock.c:261
#3 clockintr_unbind+0x56 sys/kern/kern_clockintr.c:375
#4 dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:576
#5 dtclose+0x105 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline]
#5 dtclose+0x105 sys/dev/dt/dt_dev.c:232
#6 spec_close+0x45f sys/kern/spec_vnops.c:-1
#7 VOP_CLOSE+0x133 sys/kern/vfs_vops.c:156
#8 vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline]
#8 vn_closefile+0x12b sys/kern/vfs_vnops.c:615
#9 fdrop+0x126 sys/kern/kern_descrip.c:1267
#10 closef+0x192 sys/kern/kern_descrip.c:1251
#11 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#11 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:748
#12 Xsyscall+0x128
Process 64890 (syz-executor) thread 0xffff80003c42a2c8 (80552)
exclusive rrwlock inode r = 0 (0xfffffd806c95a680)
#0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5bb sys/kern/subr_witness.c:1160
#1 rw_do_enter_write+0x377 sys/kern/kern_rwlock.c:310
#2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:605
#3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:527
#4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570
#5 vn_write+0x190 sys/kern/vfs_vnops.c:405
#6 dofilewritev+0x23c sys/kern/sys_generic.c:380
#7 sys_write+0xa2 sys/kern/sys_generic.c:300
#8 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#8 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:748
#9 Xsyscall+0x128
Process 64890 (syz-executor) thread 0xffff80003c43af88 (253129)
exclusive rrwlock inode r = 0 (0xfffffd806e2e1bf0)
#0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5bb sys/kern/subr_witness.c:1160
#1 rw_do_enter_write+0x377 sys/kern/kern_rwlock.c:310
#2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:605
#3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:527
#4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570
#5 vfs_lookup+0x109 sys/kern/vfs_lookup.c:418
#6 namei+0x7aa sys/kern/vfs_lookup.c:250
#7 vn_open+0x1f4 sys/kern/vfs_vnops.c:107
#8 doopenat+0x32e sys/kern/vfs_syscalls.c:1137
#9 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#9 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:748
#10 Xsyscall+0x128
ddb{1}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 10264 11209K 11529K 166960K 15329 0
pcb 17 16K 18K 166960K 455 0
rtable 250 12K 12K 166960K 782 0
pf 42 18K 67486K 166960K 218 0
ifaddr 44 8K 8K 166960K 159 0
ifgroup 68 2K 2K 166960K 283 0
sysctl 4 1K 9K 166960K 23 0
counters 74 37K 38K 166960K 286 0
ioctlops 0 0K 4K 166960K 1930 0
iov 0 0K 28K 166960K 201 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1397 88K 88K 166960K 3224 0
UFS quota 1 32K 32K 166960K 1 0
UFS mount 5 36K 36K 166960K 5 0
shm 2 1K 13K 166960K 38 0
VM map 2 1K 1K 166960K 2 0
sem 12 0K 0K 166960K 116 0
dirhash 12 2K 3K 166960K 72 0
ACPI 1692 195K 286K 166960K 12470 0
file desc 17 61K 93K 166960K 2072 0
sigio 0 0K 0K 166960K 33 0
proc 72 91K 128K 166960K 953 0
subproc 72 4K 4K 166960K 126 0
NFS srvsock 1 0K 0K 166960K 1 0
NFS daemon 1 16K 16K 166960K 1 0
ip_moptions 1 0K 0K 166960K 369 0
in_multi 84 6K 7K 166960K 236 0
ether_multi 1 0K 0K 166960K 12 0
mrt 1 0K 0K 166960K 17 0
ISOFS mount 1 32K 32K 166960K 1 0
MSDOSFS mount 1 16K 16K 166960K 1 0
ttys 253 1129K 1129K 166960K 253 0
exec 0 0K 1K 166960K 872 0
fusefs mount 1 32K 32K 166960K 1 0
pfkey data 0 0K 0K 166960K 7 0
tdb 3 0K 0K 166960K 3 0
VM swap 8 62K 64K 166960K 10 0
UVM amap 256 173K 185K 166960K 20709 0
UVM aobj 131 4K 4K 166960K 132 0
pinsyscall 42 84K 103K 166960K 3402 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
ip6_options 0 0K 1K 166960K 105 0
NDP 15 0K 2K 166960K 112 0
temp 75 8684K 8809K 166960K 107236 0
kqueue 15 24K 30K 166960K 391 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 120 229 0 225 3 2 1 3 0 8 0
rtentry 176 239 0 141 5 0 5 5 0 8 0
unpcb 144 1154 0 1137 7 3 4 4 0 8 3
syncache 336 12 0 12 4 3 1 1 0 8 1
tcpqe 32 4 0 4 3 2 1 1 0 8 1
tcpcb 736 561 0 553 15 13 2 7 0 8 1
arp 128 39 0 22 1 0 1 1 0 8 0
inpcb 328 1943 0 1931 26 19 7 12 0 8 5
nd6 144 50 0 27 1 0 1 1 0 8 0
pkpcb 40 28 0 28 2 1 1 1 0 8 1
kcovpl 48 14 0 6 1 0 1 1 0 8 0
mppekey 1024 3 0 3 1 1 0 1 0 8 0
ppxss 1192 78 0 78 1 0 1 1 0 8 1
pppxif 1504 13 0 13 3 2 1 1 0 8 1
pffrag 232 17 0 8 1 0 1 1 0 482 0
pffrnode 88 16 0 8 1 0 1 1 0 8 0
pffrent 40 30 0 21 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 26 0 16 1 0 1 1 0 8 0
pfstkey 128 26 0 16 1 0 1 1 0 8 0
pfstate 384 26 0 16 3 1 2 3 0 8 0
pfrule 1344 26 0 19 2 1 1 2 0 8 0
rttmr 136 6 0 6 3 2 1 1 0 8 1
art_heap8 4096 3 0 0 3 0 3 3 0 8 0
art_heap4 256 948 0 530 36 9 27 29 0 8 0
art_table 40 951 0 530 5 0 5 5 0 8 0
art_node 32 238 0 154 1 0 1 1 0 8 0
sysvmsgpl 40 13 0 10 1 0 1 1 0 8 0
semupl 112 1 0 1 1 1 0 1 0 8 0
semapl 112 113 0 103 1 0 1 1 0 8 0
shmpl 112 129 0 1 4 0 4 4 0 8 0
dirhash 1024 57 0 40 3 0 3 3 0 8 0
dino2pl 256 5223 0 3703 96 0 96 96 0 8 0
ffsino 288 5223 0 3703 109 0 109 109 0 8 0
nchpl 144 8020 0 6305 64 0 64 64 0 8 0
rtmask 32 10 0 10 3 2 1 1 0 8 1
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 28717 0 28716 3 2 1 2 0 8 0
percpumem 16 158 0 106 1 0 1 1 0 8 0
kstatmem 264 172 0 136 3 0 3 3 0 8 0
acpiwqpl 32 1 0 1 1 0 1 1 1 8 1
scsiplug 72 6 0 6 2 2 0 1 0 8 0
scxspl 216 57347 0 57346 14 12 2 8 1 8 1
plimitpl 152 522 0 504 1 0 1 1 0 8 0
sigapl 424 2410 0 2339 10 1 9 9 0 8 0
knotepl 120 827 0 0 24 0 24 24 0 8 0
kqueuepl 224 795 0 784 9 4 5 5 0 8 4
pipepl 336 299 0 271 3 0 3 3 0 8 0
fdescpl 520 2364 0 2333 3 0 3 3 0 8 0
filepl 160 15117 0 14889 20 6 14 18 0 8 1
lockfpl 104 1103 0 1099 2 1 1 2 0 8 0
lockfspl 48 504 0 500 1 0 1 1 0 8 0
sessionpl 144 40 0 31 1 0 1 1 0 8 0
pgrppl 48 73 0 56 1 0 1 1 0 8 0
ucredpl 104 2539 0 2525 1 0 1 1 0 8 0
zombiepl 144 2341 0 2339 1 0 1 1 0 8 0
processpl 1240 2410 0 2339 6 0 6 6 0 8 0
procpl 656 5632 0 5553 8 0 8 8 0 8 0
srpgc 96 1 0 1 1 1 0 1 0 8 0
sosppl 168 18 0 18 3 2 1 1 0 8 1
sockpl 728 3413 0 3380 37 25 12 15 0 8 7
mcl64k 65536 7 0 0 1 0 1 1 0 8 0
mcl16k 16384 3 0 0 1 0 1 1 0 8 0
mcl12k 12288 1 0 0 1 0 1 1 0 8 0
mcl9k 9216 2 0 0 1 0 1 1 0 8 0
mcl8k 8192 3 0 0 1 0 1 1 0 8 0
mcl4k 4096 117 0 0 15 0 15 15 0 8 0
mcl2k2 2112 2 0 0 1 0 1 1 0 8 0
mcl2k 2048 33 0 0 5 0 5 5 0 8 0
mtagpl 96 132 0 0 4 0 4 4 0 8 0
mbufpl 256 1233 0 0 77 0 77 77 0 8 0
bufpl 280 25222 0 19080 440 0 440 440 0 8 0
anonpl 32 12659 0 0 102 0 102 102 0 246 0
amapchunkpl 152 69560 0 68905 39 10 29 31 0 158 1
amappl16 200 9244 0 9136 53 36 17 29 0 8 1
amappl15 192 3 0 3 1 1 0 1 0 8 0
amappl14 184 154 0 141 1 0 1 1 0 8 0
amappl13 176 41 0 40 1 0 1 1 0 8 0
amappl12 168 3128 0 3097 3 1 2 2 0 8 0
amappl11 160 53 0 39 1 0 1 1 0 8 0
amappl10 152 11 0 11 1 1 0 1 0 8 0
amappl9 144 273 0 272 2 1 1 1 0 8 0
amappl8 136 24 0 21 1 0 1 1 0 8 0
amappl7 128 132 0 120 1 0 1 1 0 8 0
amappl6 120 260 0 256 1 0 1 1 0 8 0
amappl5 112 165 0 155 1 0 1 1 0 8 0
amappl4 104 381 0 361 1 0 1 1 0 8 0
amappl3 96 14173 0 14060 5 1 4 4 0 8 0
amappl2 88 812 0 748 2 0 2 2 0 8 0
amappl1 80 18408 0 17796 16 1 15 15 0 8 0
amappl 88 19508 0 19326 5 0 5 5 0 92 0
dma16384 16384 1 0 1 1 1 0 1 0 8 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 128 255 0 255 3 3 0 1 0 8 0
dma64 64 6 0 6 1 1 0 1 0 8 0
dma32 32 8 0 8 2 2 0 1 0 8 0
dma16 16 18 0 17 1 0 1 1 0 8 0
aobjpl 72 131 0 1 3 0 3 3 0 8 0
uaddrrnd 24 2364 0 2333 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 2364 0 2333 1 0 1 1 0 8 0
vmmpekpl 168 20405 0 20351 3 0 3 3 0 8 0
vmmpepl 168 155486 0 153373 118 14 104 109 0 357 2
vmsppl 480 2363 0 2333 5 0 5 5 0 8 0
rwobjpl 72 48309 0 41215 134 0 134 134 0 8 0
pdppl 4096 4735 0 4666 127 56 71 85 0 8 2
pvpl 32 20620 0 0 166 0 166 166 0 265 0
pmappl 256 2363 0 2333 3 0 3 3 0 8 0
extentpl 40 45 0 27 1 0 1 1 0 8 0
phpool 112 507 0 87 13 0 13 13 0 8 0
ddb{1}> machine ddbcpu 0
Stopped at x86_ipi_db+0x27: addq $0x8,%rsp
ddb{0}> trace
x86_ipi_db(ffffffff83893ff0) 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
__sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0xf sys/dev/kcov.c:149
clockintr_dispatch(ffff8000357faa30) at clockintr_dispatch+0x3b4 sys/kern/kern_clockintr.c:215
lapic_clockintr(0,0) at lapic_clockintr+0x51 sys/arch/amd64/amd64/lapic.c:489
Xresume_lapic_ltimer() at Xresume_lapic_ltimer+0x2a
end of kernel
end trace frame: 0x7d118f2da930, count: -7
ddb{0}> machine ddbcpu 1
Stopped at db_enter+0x25: addq $0x8,%rsp
ddb{1}> trace
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
witness_checkorder(ffffffff839c3010,9,0) at witness_checkorder+0x10fb sys/kern/subr_witness.c:-1
mtx_enter(ffffffff839c3000) at mtx_enter+0x4a sys/kern/kern_lock.c:260
sleep_setup(ffffffff83894e50,220,ffffffff833aeb55) at sleep_setup+0xc6 sys/kern/kern_synch.c:302
msleep_nsec(ffffffff83894e50,ffffffff83894df0,220,ffffffff833aeb55,ffffffffffffffff) at msleep_nsec+0x119 sys/kern/kern_synch.c:217
dt_ioctl_record_stop(ffff8000014a7000) at dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:576
dtclose(11e5f,81,2000,ffff80003c43aa68) at dtclose+0x105 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline]
dtclose(11e5f,81,2000,ffff80003c43aa68) at dtclose+0x105 sys/dev/dt/dt_dev.c:232
spec_close(ffff80003c4473a0) at spec_close+0x45f sys/kern/spec_vnops.c:-1
VOP_CLOSE(fffffd807108c6d8,81,fffffd80097fb548,ffff80003c43aa68) at VOP_CLOSE+0x133 sys/kern/vfs_vops.c:156
vn_closefile(fffffd8064d9f590,ffff80003c43aa68) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline]
vn_closefile(fffffd8064d9f590,ffff80003c43aa68) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615
fdrop(fffffd8064d9f590,ffff80003c43aa68) at fdrop+0x126 sys/kern/kern_descrip.c:1267
closef(fffffd8064d9f590,ffff80003c43aa68) at closef+0x192 sys/kern/kern_descrip.c:1251
syscall(ffff80003c447600) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80003c447600) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:748
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xbdb44c95ec0, count: -14