witness: lock order reversal:
1st 0xffffffff839f8580 &sched_lock (&sched_lock)
2nd 0xffff8000299dee00 &cq->cq_mtx (&cq->cq_mtx)
lock order [1] &sched_lock (&sched_lock) -> [2] &cq->cq_mtx (&cq->cq_mtx)
#0 mtx_enter+0x4a sys/kern/kern_lock.c:257
#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:543
#4 intr_user_exit+0x3c
lock order [2] &cq->cq_mtx (&cq->cq_mtx) -> [1] &sched_lock (&sched_lock)
#0 mtx_enter+0x4a sys/kern/kern_lock.c:257
#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 fdfree+0x116 sys/kern/kern_descrip.c:1182
#11 exit1+0x59c sys/kern/kern_exit.c:215
#12 sys_exit+0x1a sys/kern/kern_exit.c:-1
#13 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#13 syscall+0xb08 sys/arch/amd64/amd64/trap.c:579
#14 Xsyscall+0x128
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(ffff8000299dee00,9,0) at witness_checkorder+0x10fb sys/kern/subr_witness.c:-1
mtx_enter(ffff8000299dedf0) at mtx_enter+0x4a sys/kern/kern_lock.c:257
clockintr_cancel(ffff8000299de2f8) at clockintr_cancel+0x2f sys/kern/kern_clockintr.c:323
mi_switch() at mi_switch+0x172 x86_atomic_clearbits_u32 machine/atomic.h:-1 [inline]
mi_switch() at mi_switch+0x172 sys/kern/sched_bsd.c:374
ast(ffff80003c427db0) at ast+0x165 mi_ast sys/sys/syscall_mi.h:252 [inline]
ast(ffff80003c427db0) at ast+0x165 sys/arch/amd64/amd64/trap.c:543
intr_user_exit() at intr_user_exit+0x3c
end of kernel
end trace frame: 0x70ba05b8db90, count: -7
ddb{1}> show registers
rdi 0
rsi 0
rbp 0xffff80003c427bd0
rbx 0xfffffd800473ec48
rdx 0
rcx 0xffff800031c7f9d8
rax 0xffff8000299ddff0
r8 0xffff80003c427ab0
r9 0x8080808080808080
r10 0xaa7685a789caa619
r11 0x8b0406ddcdb4a540
r12 0
r13 0xfffffd8003f50dc0
r14 0x3
r15 0xffffffff
rip 0xffffffff81bd4c95 db_enter+0x25
cs 0x8
rflags 0x246
rsp 0xffff80003c427bc0
ss 0
db_enter+0x25: addq $0x8,%rsp
ddb{1}> show proc
PROC (syz-executor) tid=442605 pid=6253 tcnt=3 stat=run
flags process=4000000<ITIMER> proc=0
runpri=86, usrpri=86, slppri=17, nice=20
wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0
forw=0x0, list=0xffff800031c7ef98,0xffff80003c416d08
process=0xffff800031c82bc0 user=0xffff80003c422000, vmspace=0xfffffd806d368990
estcpu=36, cpticks=2, pctcpu=0.0, user=1, sys=1, intr=0
ddb{1}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
75068 270414 73749 0 2 0 syz-executor
75068 388897 73749 0 3 0x4000080 fsleep syz-executor
* 6253 442605 60089 0 2 0x4000000 syz-executor
6253 226358 60089 0 3 0x4000080 kqsel syz-executor
6253 493143 60089 0 2 0x4000000 syz-executor
97384 421531 98844 0 2 0x10 syz-executor
97384 403792 98844 0 3 0x4000010 smrbar syz-executor
97384 491115 98844 0 7 0x4000010 syz-executor
50698 241995 49844 60929 3 0x90 nanoslp syz-executor
50698 422343 49844 60929 3 0x4000090 fsleep syz-executor
50698 370340 49844 60929 3 0x4000090 fsleep syz-executor
53394 91049 42062 0 3 0x80 nanoslp syz-executor
53394 244803 42062 0 3 0x4000080 kqread syz-executor
53394 55661 42062 0 3 0x4000080 fsleep syz-executor
29295 435313 56478 0 3 0x80 nanoslp syz-executor
29295 136008 56478 0 3 0x4000080 kqsel syz-executor
29295 296462 56478 0 3 0x4000080 fsleep syz-executor
60089 90336 12212 0 3 0x82 nanoslp syz-executor
77410 408490 1 0 3 0x100083 ttyin getty
98844 7485 12212 0 3 0x82 nanoslp syz-executor
70801 84779 0 0 3 0x14280 nfsidl nfsio
70306 350818 0 0 3 0x14280 nfsidl nfsio
69471 459627 0 0 3 0x14280 nfsidl nfsio
63413 152677 0 0 3 0x14280 nfsidl nfsio
58292 27529 0 0 3 0x14280 nfsidl nfsio
8794 129468 0 0 3 0x14280 nfsidl nfsio
28662 357643 0 0 3 0x14280 nfsidl nfsio
32004 502832 0 0 3 0x14280 nfsidl nfsio
30090 445926 0 0 3 0x14280 nfsidl nfsio
43399 499675 0 0 3 0x14280 nfsidl nfsio
96001 93020 0 0 3 0x14280 nfsidl nfsio
6789 173711 0 0 3 0x14280 nfsidl nfsio
25398 432090 0 0 3 0x14280 nfsidl nfsio
34023 335175 0 0 3 0x14280 nfsidl nfsio
15290 106702 0 0 3 0x14280 nfsidl nfsio
6875 331112 0 0 3 0x14280 nfsidl nfsio
52841 295359 0 0 3 0x14280 nfsidl nfsio
34121 309808 0 0 3 0x14280 nfsidl nfsio
5593 171240 0 0 3 0x14280 nfsidl nfsio
21367 149562 0 0 3 0x14280 nfsidl nfsio
49844 189441 12212 0 3 0x82 nanoslp syz-executor
78720 223978 0 0 3 0x14200 bored sosplice
73749 52431 12212 0 3 0x82 nanoslp syz-executor
56478 142225 12212 0 3 0x82 nanoslp syz-executor
64230 141652 12212 0 3 0x82 wait syz-executor
42062 146848 12212 0 3 0x82 nanoslp syz-executor
20356 142887 12212 0 2 0x2 syz-executor
12212 206101 4779 0 3 0x82 kqread syz-executor
4779 33565 89064 0 3 0x10008a sigsusp ksh
89064 479842 83250 0 3 0x98 kqread sshd-session
83250 495534 71570 0 3 0x92 kqread sshd-session
71570 210236 1 0 3 0x88 kqread sshd
76684 45266 34048 74 3 0x1100092 bpf pflogd
34048 390215 1 0 3 0x80 sbwait pflogd
73805 109613 33205 73 3 0x1100090 kqread syslogd
33205 224357 1 0 3 0x100082 sbwait syslogd
3761 293589 1 0 3 0x100080 kqread resolvd
11506 293249 38577 77 3 0x100092 kqread dhcpleased
57335 360166 38577 77 3 0x100092 kqread dhcpleased
38577 91246 1 0 3 0x80 kqread dhcpleased
68996 4702 0 0 3 0x14200 bored smr
24610 513435 0 0 2 0x14200 zerothread
73076 395900 0 0 3 0x14200 aiodoned aiodoned
6555 124793 0 0 3 0x14200 syncer update
78236 362212 0 0 3 0x14200 cleaner cleaner
89673 85462 0 0 3 0x14200 reaper reaper
79274 259866 0 0 3 0x14200 pgdaemon pagedaemon
84450 91847 0 0 3 0x14200 bored viomb
3434 224289 0 0 3 0x40014200 acpi0 acpi0
12800 268734 0 0 3 0x40014200 idle1
76511 90133 0 0 3 0x14200 bored softnet3
39620 230713 0 0 3 0x14200 bored softnet2
38970 275537 0 0 3 0x14200 bored softnet1
43566 136732 0 0 3 0x14200 bored softnet0
16106 328342 0 0 3 0x14200 bored systqmp
62313 446563 0 0 3 0x14200 bored systq
91983 390627 0 0 3 0x14200 tmoslp softclockmp
36221 319477 0 0 3 0x40014200 tmoslp softclock
33225 308306 0 0 3 0x40014200 idle0
1 372039 0 0 3 0x82 wait init
0 0 -1 0 3 0x10010200 scheduler swapper
ddb{1}> show all locks
CPU 0:
exclusive mutex &vioq->viq_rxmtx r = 0 (0xffff80000002c4b0)
#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:301
#2 mtx_enter+0x62 sys/kern/kern_lock.c:258
#3 vio_rx_intr+0x82 sys/dev/pv/if_vio.c:1567
#4 vio_queue_intr+0x59 sys/dev/pv/if_vio.c:909
#5 intr_handler+0x11d sys/arch/amd64/amd64/intr.c:563
#6 Xintr_ioapic_edge26_untramp+0x18f
#7 __sanitizer_cov_trace_const_cmp4+0x1e kd_curproc sys/dev/kcov.c:583 [inline]
#7 __sanitizer_cov_trace_const_cmp4+0x1e sys/dev/kcov.c:230
#8 mtx_enter+0xaf sys/kern/kern_lock.c:261
#9 endtsleep+0x39 sys/kern/kern_synch.c:538
#10 timeout_run+0x13d sys/kern/kern_timeout.c:707
#11 softclock_process_tick_timeout+0x22b sys/kern/kern_timeout.c:765
#12 softclock+0x16b sys/kern/kern_timeout.c:797
#13 softintr_dispatch+0x140 sys/kern/kern_softintr.c:84
#14 dosoftint+0x54 sys/arch/amd64/amd64/intr.c:847
#15 Xsoftclock+0x27
#16 __sanitizer_cov_trace_pc+0x95 kd_claim sys/dev/kcov.c:632 [inline]
#16 __sanitizer_cov_trace_pc+0x95 sys/dev/kcov.c:157
#17 mtx_enter+0xdd sys/kern/kern_lock.c:261
#18 sleep_setup+0xc6 sys/kern/kern_synch.c:302
shared mutex timeout r = 0 (0xffffffff83861ff0)
#0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5bb sys/kern/subr_witness.c:1160
#1 timeout_run+0x115 sys/kern/kern_timeout.c:703
#2 softclock_process_tick_timeout+0x22b sys/kern/kern_timeout.c:765
#3 softclock+0x16b sys/kern/kern_timeout.c:797
#4 softintr_dispatch+0x140 sys/kern/kern_softintr.c:84
#5 dosoftint+0x54 sys/arch/amd64/amd64/intr.c:847
#6 Xsoftclock+0x27
#7 __sanitizer_cov_trace_pc+0x95 kd_claim sys/dev/kcov.c:632 [inline]
#7 __sanitizer_cov_trace_pc+0x95 sys/dev/kcov.c:157
#8 mtx_enter+0xdd sys/kern/kern_lock.c:261
#9 sleep_setup+0xc6 sys/kern/kern_synch.c:302
#10 sys_futex+0xa04 futex_wait sys/kern/sys_futex.c:301 [inline]
#10 sys_futex+0xa04 sys/kern/sys_futex.c:151
#11 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#11 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:579
#12 Xsyscall+0x128
CPU 1:
exclusive mutex &sched_lock r = 0 (0xffffffff839f8580)
#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:301
#2 mtx_enter+0x13b sys/kern/kern_lock.c:258
#3 preempt+0x35 sys/kern/sched_bsd.c:339
#4 ast+0x165 mi_ast sys/sys/syscall_mi.h:252 [inline]
#4 ast+0x165 sys/arch/amd64/amd64/trap.c:543
#5 intr_user_exit+0x3c
Process 97384 (syz-executor) thread 0xffff800031c7ef98 (403792)
exclusive rwlock clonelk r = 0 (0xffffffff8385ac08)
#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 if_clone_destroy+0x67 sys/net/if.c:-1
#3 tun_dev_close+0x1dc sys/net/if_tun.c:529
#4 spec_close+0x412 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:579
#10 Xsyscall+0x128
Process 97384 (syz-executor) thread 0xffff800031c7f228 (491115)
exclusive kernel_lock &kernel_lock r = 0 (0xffffffff839140c0)
#0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5bb sys/kern/subr_witness.c:1160
#1 softintr_dispatch+0x12a sys/kern/kern_softintr.c:83
#2 dosoftint+0x54 sys/arch/amd64/amd64/intr.c:847
#3 Xsoftclock+0x27
#4 __sanitizer_cov_trace_pc+0x95 kd_claim sys/dev/kcov.c:632 [inline]
#4 __sanitizer_cov_trace_pc+0x95 sys/dev/kcov.c:157
#5 mtx_enter+0xdd sys/kern/kern_lock.c:261
#6 sleep_setup+0xc6 sys/kern/kern_synch.c:302
#7 sys_futex+0xa04 futex_wait sys/kern/sys_futex.c:301 [inline]
#7 sys_futex+0xa04 sys/kern/sys_futex.c:151
#8 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#8 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:579
#9 Xsyscall+0x128
Process 20356 (syz-executor) thread 0xffff80002a2baf78 (142887)
exclusive rrwlock inode r = 0 (0xfffffd806e059b00)
#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 ufs_ihashins+0x4f ufs_ihash sys/ufs/ufs/ufs_ihash.c:-1 [inline]
#4 ufs_ihashins+0x4f sys/ufs/ufs/ufs_ihash.c:159
#5 ffs_vget+0x187 sys/ufs/ffs/ffs_vfsops.c:1232
#6 ffs_inode_alloc+0x283 sys/ufs/ffs/ffs_alloc.c:393
#7 ufs_mkdir+0x113 sys/ufs/ufs/ufs_vnops.c:1112
#8 VOP_MKDIR+0x102 sys/kern/vfs_vops.c:394
#9 domkdirat+0x179 sys/kern/vfs_syscalls.c:3109
#10 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#10 syscall+0xb08 sys/arch/amd64/amd64/trap.c:579
#11 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffffd806d05f310)
#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 domkdirat+0x8b sys/kern/vfs_syscalls.c:3094
#8 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#8 syscall+0xb08 sys/arch/amd64/amd64/trap.c:579
#9 Xsyscall+0x128
ddb{1}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 10311 11463K 12573K 166960K 13595 0
pcb 17 16K 18K 166960K 423 0
rtable 126 10K 11K 166960K 594 0
pf 45 19K 67486K 166960K 305 0
ifaddr 28 3K 7K 166960K 108 0
ifgroup 64 2K 2K 166960K 187 0
sysctl 4 1K 9K 166960K 14 0
counters 72 37K 38K 166960K 192 0
ioctlops 0 0K 4K 166960K 1752 0
iov 0 0K 24K 166960K 62 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1526 96K 96K 166960K 2779 0
UFS quota 1 32K 32K 166960K 1 0
UFS mount 5 36K 36K 166960K 5 0
shm 2 1K 9K 166960K 33 0
VM map 2 1K 1K 166960K 2 0
sem 12 0K 0K 166960K 112 0
dirhash 15 2K 2K 166960K 27 0
ACPI 1692 195K 286K 166960K 12470 0
file desc 17 61K 110K 166960K 1264 0
sigio 1 0K 0K 166960K 25 0
proc 72 91K 116K 166960K 702 0
subproc 72 4K 4K 166960K 99 0
NFS srvsock 1 0K 0K 166960K 1 0
NFS daemon 1 16K 16K 166960K 1 0
ip_moptions 0 0K 0K 166960K 240 0
in_multi 37 2K 6K 166960K 191 0
ether_multi 1 0K 0K 166960K 14 0
mrt 0 0K 0K 166960K 11 0
ISOFS mount 1 32K 32K 166960K 1 0
MSDOSFS mount 1 16K 16K 166960K 1 0
ttys 73 334K 334K 166960K 73 0
exec 0 0K 1K 166960K 656 0
fusefs mount 1 32K 32K 166960K 1 0
pfkey data 0 0K 0K 166960K 1 0
tdb 3 0K 0K 166960K 3 0
VM swap 8 62K 64K 166960K 10 0
UVM amap 246 175K 191K 166960K 12749 0
UVM aobj 111 3K 3K 166960K 114 0
pinsyscall 42 84K 104K 166960K 2445 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
ip6_options 0 0K 1K 166960K 76 0
NDP 16 0K 1K 166960K 75 0
temp 70 8693K 8947K 166960K 46920 0
kqueue 16 26K 28K 166960K 187 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 120 112 0 109 1 0 1 1 0 8 0
rtentry 176 170 0 129 5 0 5 5 0 8 0
unpcb 144 863 0 842 9 7 2 6 0 8 1
syncache 336 4 0 4 2 2 0 1 0 8 0
tcpqe 32 1 0 1 1 1 0 1 0 8 0
tcpcb 736 660 0 652 14 13 1 13 0 8 0
arp 128 25 0 18 1 0 1 1 0 8 0
inpcb 328 1677 0 1665 20 13 7 12 0 8 5
nd6 144 36 0 29 1 0 1 1 0 8 0
pkpcb 40 8 0 8 3 2 1 1 0 8 1
kcovpl 48 11 0 3 1 0 1 1 0 8 0
mppekey 1024 1 0 1 1 1 0 1 0 8 0
ppxss 1192 43 0 43 2 1 1 1 0 8 1
pppxif 1504 8 0 8 2 1 1 1 0 8 1
pffrag 232 28 0 18 1 0 1 1 0 482 0
pffrnode 88 26 0 18 1 0 1 1 0 8 0
pffrent 40 52 0 41 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
pfrktable 1344 6 0 2 1 0 1 1 0 8 0
pfanchor 1288 5 0 0 1 0 1 1 0 8 0
pftag 88 2 0 1 1 0 1 1 0 8 0
pfstitem 24 96 0 23 1 0 1 1 0 8 0
pfstkey 128 98 0 25 3 0 3 3 0 8 0
pfstate 384 96 0 24 8 0 8 8 0 8 0
pfrule 1344 95 0 22 9 2 7 7 0 8 0
rttmr 136 3 0 3 3 2 1 1 0 8 1
art_heap8 4096 5 0 0 5 0 5 5 0 8 0
art_heap4 256 747 0 541 31 9 22 28 0 8 8
art_table 32 752 0 541 4 0 4 4 0 8 0
art_node 16 166 0 129 1 0 1 1 0 8 0
sysvmsgpl 40 13 0 7 1 0 1 1 0 8 0
semupl 112 3 0 3 2 2 0 1 0 8 0
semapl 112 107 0 97 1 0 1 1 0 8 0
shmpl 112 111 0 3 4 0 4 4 0 8 0
dirhash 1024 27 0 8 3 0 3 3 0 8 0
dino2pl 256 3677 0 2164 95 0 95 95 0 8 0
ffsino 288 3677 0 2164 109 0 109 109 0 8 0
nchpl 144 5350 0 3650 64 0 64 64 0 8 0
rtmask 32 10 0 10 3 2 1 1 0 8 1
uvmvnodes 80 4755 0 0 98 0 98 98 0 8 0
vnodes 216 4755 0 0 265 0 265 265 0 8 0
namei 1024 19014 0 19013 2 1 1 1 0 8 0
percpumem 16 111 0 60 1 0 1 1 0 8 0
pfiaddrpl 120 65 0 0 2 0 2 2 0 8 0
kstatmem 264 110 0 76 3 0 3 3 0 8 0
scsiplug 72 4 0 4 2 2 0 1 0 8 0
scxspl 216 23651 0 23651 12 10 2 8 1 8 2
plimitpl 152 412 0 393 1 0 1 1 0 8 0
sigapl 424 1582 0 1512 9 0 9 9 0 8 0
knotepl 120 585 0 0 18 0 18 18 0 8 0
kqueuepl 224 385 0 369 5 4 1 5 0 8 0
pipepl 336 257 0 228 3 0 3 3 0 8 0
fdescpl 520 1535 0 1504 3 0 3 3 0 8 0
filepl 160 10308 0 10063 29 13 16 23 0 8 0
lockfpl 104 796 0 788 2 1 1 2 0 8 0
lockfspl 48 291 0 283 1 0 1 1 0 8 0
sessionpl 144 27 0 18 1 0 1 1 0 8 0
pgrppl 48 52 0 35 1 0 1 1 0 8 0
ucredpl 104 1424 0 1407 1 0 1 1 0 8 0
zombiepl 144 1513 0 1512 1 0 1 1 0 8 0
processpl 1240 1582 0 1512 6 0 6 6 0 8 0
procpl 656 3467 0 3386 8 0 8 8 0 8 0
srpgc 96 18 0 18 3 2 1 1 0 8 1
sosppl 168 6 0 6 3 2 1 1 0 8 1
sockpl 728 2684 0 2648 38 28 10 22 0 8 6
mcl64k 65536 5 0 0 1 0 1 1 0 8 0
mcl16k 16384 4 0 0 1 0 1 1 0 8 0
mcl12k 12288 1 0 0 1 0 1 1 0 8 0
mcl9k 9216 1 0 0 1 0 1 1 0 8 0
mcl8k 8192 3 0 0 1 0 1 1 0 8 0
mcl4k 4096 118 0 0 15 0 15 15 0 8 0
mcl2k 2048 41 0 0 5 0 5 5 0 8 0
mtagpl 96 21 0 0 1 0 1 1 0 8 0
mbufpl 256 1190 0 0 74 0 74 74 0 8 0
bufpl 280 8104 0 1962 439 0 439 439 0 8 0
anonpl 32 11524 0 0 93 0 93 93 0 246 0
amapchunkpl 152 44143 0 43632 47 16 31 38 0 158 10
amappl16 200 4628 0 4594 31 16 15 18 0 8 8
amappl15 192 2 0 2 1 1 0 1 0 8 0
amappl14 184 126 0 114 1 0 1 1 0 8 0
amappl13 176 2 0 2 1 1 0 1 0 8 0
amappl12 168 2235 0 2204 3 1 2 2 0 8 0
amappl11 160 51 0 36 1 0 1 1 0 8 0
amappl10 152 11 0 11 1 1 0 1 0 8 0
amappl9 144 250 0 250 1 1 0 1 0 8 0
amappl8 136 29 0 27 1 0 1 1 0 8 0
amappl7 128 121 0 109 1 0 1 1 0 8 0
amappl6 120 221 0 218 1 0 1 1 0 8 0
amappl5 112 156 0 146 1 0 1 1 0 8 0
amappl4 104 333 0 312 1 0 1 1 0 8 0
amappl3 96 8776 0 8658 4 0 4 4 0 8 0
amappl2 88 698 0 636 2 0 2 2 0 8 0
amappl1 80 13576 0 12969 18 3 15 15 0 8 0
amappl 88 11793 0 11623 5 0 5 5 0 92 0
dma4096 4096 2 0 2 2 1 1 1 0 8 1
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 128 254 0 254 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 19 0 18 1 0 1 1 0 8 0
aobjpl 72 113 0 3 2 0 2 2 0 8 0
uaddrrnd 24 1535 0 1504 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 1535 0 1504 1 0 1 1 0 8 0
vmmpekpl 168 13887 0 13833 3 0 3 3 0 8 0
vmmpepl 168 101372 0 99358 112 10 102 104 0 357 4
vmsppl 480 1534 0 1504 7 2 5 5 0 8 0
rwobjpl 72 32154 0 26338 106 0 106 106 0 8 0
pdppl 4096 3077 0 3008 109 36 73 85 0 8 4
pvpl 32 17719 0 0 143 0 143 143 0 265 0
pmappl 256 1534 0 1504 3 0 3 3 0 8 0
extentpl 40 45 0 27 1 0 1 1 0 8 0
phpool 112 478 0 64 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(ffffffff83879ff0) 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
mtx_enter(ffffffff839f8570) at mtx_enter+0xd2 sys/kern/kern_lock.c:261
wakeup_n(ffff80000002c000,1) at wakeup_n+0x54 sys/kern/kern_synch.c:579
task_add(ffff80000002c000,ffff800000039530) at task_add+0x167 sys/kern/kern_task.c:372
ifiq_input(ffff8000000394c0,ffff80003c4308b8) at ifiq_input+0x4b0 sys/net/ifq.c:794
vio_rxeof(ffff80000002c400) at vio_rxeof+0x40b sys/dev/pv/if_vio.c:1553
vio_rx_intr(ffff80000019f800) at vio_rx_intr+0x98 sys/dev/pv/if_vio.c:1569
vio_queue_intr(ffff80000002c400) at vio_queue_intr+0x59 sys/dev/pv/if_vio.c:909
intr_handler(ffff80003c430a60,ffff800000079d80) at intr_handler+0x11d sys/arch/amd64/amd64/intr.c:563
Xintr_ioapic_edge26_untramp() at Xintr_ioapic_edge26_untramp+0x18f
__sanitizer_cov_trace_const_cmp4(0,2) at __sanitizer_cov_trace_const_cmp4+0x1e kd_curproc sys/dev/kcov.c:583 [inline]
__sanitizer_cov_trace_const_cmp4(0,2) at __sanitizer_cov_trace_const_cmp4+0x1e sys/dev/kcov.c:230
mtx_enter(ffffffff839f8570) at mtx_enter+0xaf sys/kern/kern_lock.c:261
endtsleep(ffff80002a2ba2a8) at endtsleep+0x39 sys/kern/kern_synch.c:538
timeout_run(ffffffff83862048,ffff80002a2ba338) at timeout_run+0x13d sys/kern/kern_timeout.c:707
softclock_process_tick_timeout(ffff80002a2ba338,0) at softclock_process_tick_timeout+0x22b sys/kern/kern_timeout.c:765
softclock(0) at softclock+0x16b sys/kern/kern_timeout.c:797
softintr_dispatch(0) at softintr_dispatch+0x140 sys/kern/kern_softintr.c:84
dosoftint(0) at dosoftint+0x54 sys/arch/amd64/amd64/intr.c:847
Xsoftclock() at Xsoftclock+0x27
__sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x95 kd_claim sys/dev/kcov.c:632 [inline]
__sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x95 sys/dev/kcov.c:157
mtx_enter(ffffffff839f8570) at mtx_enter+0xdd sys/kern/kern_lock.c:261
sleep_setup(ffff80003c430f10,120,ffffffff833d7766) at sleep_setup+0xc6 sys/kern/kern_synch.c:302
sys_futex(ffff800031c7f228,ffff80003c4310b0,ffff80003c431000) at sys_futex+0xa04 futex_wait sys/kern/sys_futex.c:301 [inline]
sys_futex(ffff800031c7f228,ffff80003c4310b0,ffff80003c431000) at sys_futex+0xa04 sys/kern/sys_futex.c:151
syscall(ffff80003c4310b0) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80003c4310b0) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:579
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xd8ef6a57620, count: -27
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(ffff8000299dee00,9,0) at witness_checkorder+0x10fb sys/kern/subr_witness.c:-1
mtx_enter(ffff8000299dedf0) at mtx_enter+0x4a sys/kern/kern_lock.c:257
clockintr_cancel(ffff8000299de2f8) at clockintr_cancel+0x2f sys/kern/kern_clockintr.c:323
mi_switch() at mi_switch+0x172 x86_atomic_clearbits_u32 machine/atomic.h:-1 [inline]
mi_switch() at mi_switch+0x172 sys/kern/sched_bsd.c:374
ast(ffff80003c427db0) at ast+0x165 mi_ast sys/sys/syscall_mi.h:252 [inline]
ast(ffff80003c427db0) at ast+0x165 sys/arch/amd64/amd64/trap.c:543
intr_user_exit() at intr_user_exit+0x3c
end of kernel
end trace frame: 0x70ba05b8db90, count: -7