panic: acquiring blockable sleep lock with spinlock or critical section held (rwlock) vmmaplk
Stopped at db_enter+0x18: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
28242 8995 73 0x1100010 0 1 syslogd
*245149 18572 0 0x14000 0x200 0K reaper
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff825c349b) at panic+0x177 sys/kern/subr_prf.c:198
witness_checkorder(ffffffff82baa9d8,1,0) at witness_checkorder+0x116d sys/kern/subr_witness.c:833
rw_enter_read(ffffffff82baa9c8) at rw_enter_read+0x83 sys/kern/kern_rwlock.c:112
uvmfault_lookup(ffff800021238d50,0) at uvmfault_lookup+0xd9 sys/uvm/uvm_fault.c:1773
uvm_fault_check(ffff800021238d50,ffff800021238d88,ffff800021238db0) at uvm_fault_check+0x3a sys/uvm/uvm_fault.c:673
uvm_fault(ffffffff82baa9c0,12b5088000,0,1) at uvm_fault+0xf2 sys/uvm/uvm_fault.c:601
kpageflttrap(ffff800021238ef0,12b5088b90) at kpageflttrap+0x22e sys/arch/amd64/amd64/trap.c:277
kerntrap(ffff800021238ef0) at kerntrap+0xef sys/arch/amd64/amd64/trap.c:332
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
softclock_process_kclock_timeout(fffffd80664a0f00,0) at softclock_process_kclock_timeout+0x3a sys/kern/kern_timeout.c:652
softclock(0) at softclock+0x11a sys/kern/kern_timeout.c:717
softintr_dispatch(0) at softintr_dispatch+0xfb sys/arch/amd64/amd64/softintr.c:90
Xsoftclock() at Xsoftclock+0x1f
end trace frame: 0xffff8000212391d0, 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{0}>
ddb{0}> set $lines = 0
ddb{0}> set $maxwidth = 0
ddb{0}> show panic
*cpu0: acquiring blockable sleep lock with spinlock or critical section held (rwlock) vmmaplk
ddb{0}> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff825c349b) at panic+0x177 sys/kern/subr_prf.c:198
witness_checkorder(ffffffff82baa9d8,1,0) at witness_checkorder+0x116d sys/kern/subr_witness.c:833
rw_enter_read(ffffffff82baa9c8) at rw_enter_read+0x83 sys/kern/kern_rwlock.c:112
uvmfault_lookup(ffff800021238d50,0) at uvmfault_lookup+0xd9 sys/uvm/uvm_fault.c:1773
uvm_fault_check(ffff800021238d50,ffff800021238d88,ffff800021238db0) at uvm_fault_check+0x3a sys/uvm/uvm_fault.c:673
uvm_fault(ffffffff82baa9c0,12b5088000,0,1) at uvm_fault+0xf2 sys/uvm/uvm_fault.c:601
kpageflttrap(ffff800021238ef0,12b5088b90) at kpageflttrap+0x22e sys/arch/amd64/amd64/trap.c:277
kerntrap(ffff800021238ef0) at kerntrap+0xef sys/arch/amd64/amd64/trap.c:332
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
softclock_process_kclock_timeout(fffffd80664a0f00,0) at softclock_process_kclock_timeout+0x3a sys/kern/kern_timeout.c:652
softclock(0) at softclock+0x11a sys/kern/kern_timeout.c:717
softintr_dispatch(0) at softintr_dispatch+0xfb sys/arch/amd64/amd64/softintr.c:90
Xsoftclock() at Xsoftclock+0x1f
Xspllower() at Xspllower+0x19
printf(ffffffff8258d892) at printf+0x84 sys/kern/subr_prf.c:532
uvm_fault_unwire_locked(fffffd805908bb88,4f887901000,4f887b00000) at uvm_fault_unwire_locked+0x21c sys/uvm/uvm_fault.c:1679
uvm_unmap_kill_entry_withlock(fffffd805908bb88,fffffd8074ca4370,0) at uvm_unmap_kill_entry_withlock+0x67 sys/uvm/uvm_map.c:1925
uvm_map_teardown(fffffd805908bb88) at uvm_map_teardown+0x1a7 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:176 [inline]
uvm_map_teardown(fffffd805908bb88) at uvm_map_teardown+0x1a7 sys/uvm/uvm_map.c:2578
uvmspace_free(fffffd805908bb88) at uvmspace_free+0xa6 sys/uvm/uvm_map.c:3504
reaper(ffff8000212337a8) at reaper+0x19a sys/kern/kern_exit.c:448
end trace frame: 0x0, count: -21
ddb{0}> show registers
rdi 0
rsi 0x1
rbp 0xffff8000212389a0
rbx 0xffffffff8294ab8f cpu_info_full_primary+0x2b8f
rdx 0
rcx 0
rax 0xffff8000212337a8
r8 0x101010101010101
r9 0x8080808080808080
r10 0xe55dd81bb88625d6
r11 0x87dbdefffc3e656b
r12 0xffffffff8294a990 cpu_info_full_primary+0x2990
r13 0
r14 0
r15 0x1
rip 0xffffffff810aabd8 db_enter+0x18
cs 0x8
rflags 0x246
rsp 0xffff800021238990
ss 0x10
db_enter+0x18: addq $0x8,%rsp
ddb{0}> show proc
PROC (reaper) pid=245149 stat=onproc
flags process=14000<NOZOMBIE,SYSTEM> proc=200<SYSTEM>
pri=86, usrpri=86, nice=20
forw=0xffffffffffffffff, list=0xffff800021233a48,0xffff800021233518
process=0xffff8000fffff1e0 user=0xffff800021234000, vmspace=0xffffffff82baa9c0
estcpu=36, cpticks=92, pctcpu=16.6
user=0, sys=180, intr=0
ddb{0}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
8944 47067 30843 0 2 0x2 syz-executor.7
57724 286191 30843 0 2 0x482 syz-executor.3
17742 107486 30843 0 3 0x82 wait syz-executor.4
87308 436832 30843 0 3 0x82 piperd syz-executor.2
86193 91536 0 0 3 0x14200 acct acct
7762 15867 30843 0 2 0x2 syz-executor.5
21768 377731 30843 0 3 0x82 piperd syz-executor.0
22836 359612 30843 0 3 0x82 piperd syz-executor.1
40175 503988 30843 0 3 0x82 piperd syz-executor.6
76727 250967 1 0 3 0x100083 ttyin getty
33930 85182 1 0 3 0 vmmaplk syz-executor.4
33930 522289 1 0 3 0x4000000 vmmapbsy syz-executor.4
33930 81508 1 0 3 0x4000000 vmmaplk syz-executor.4
33930 93513 1 0 3 0x4000000 vmmaplk syz-executor.4
23818 267215 0 0 3 0x14200 bored sosplice
30843 311381 81647 0 3 0x82 thrsleep syz-fuzzer
30843 167687 81647 0 2 0x4000482 syz-fuzzer
30843 373598 81647 0 3 0x4000082 wait syz-fuzzer
30843 18370 81647 0 3 0x4000082 thrsleep syz-fuzzer
30843 38408 81647 0 2 0x4000482 syz-fuzzer
30843 205292 81647 0 3 0x4000082 thrsleep syz-fuzzer
30843 483562 81647 0 3 0x4000082 thrsleep syz-fuzzer
30843 96467 81647 0 3 0x4000082 wait syz-fuzzer
30843 403376 81647 0 3 0x4000082 thrsleep syz-fuzzer
30843 36808 81647 0 3 0x4000082 thrsleep syz-fuzzer
30843 470386 81647 0 3 0x4000082 wait syz-fuzzer
30843 114467 81647 0 3 0x4000082 wait syz-fuzzer
30843 308847 81647 0 3 0x4000082 wait syz-fuzzer
30843 81019 81647 0 3 0x4000082 wait syz-fuzzer
30843 254742 81647 0 3 0x4000082 wait syz-fuzzer
30843 261508 81647 0 3 0x4000082 wait syz-fuzzer
81647 218310 48776 0 3 0x10008a sigsusp ksh
48776 229142 9509 0 3 0x9a kqread sshd
9509 99365 1 0 3 0x88 kqread sshd
25161 90020 21017 74 2 0x1100492 pflogd
21017 161036 1 0 3 0x80 netio pflogd
8995 28242 7109 73 7 0x1100010 syslogd
7109 319235 1 0 3 0x100082 netio syslogd
1525 467819 1 0 3 0x100080 kqread resolvd
19419 305723 39501 77 3 0x100092 kqread dhcpleased
43130 234746 39501 77 3 0x100092 kqread dhcpleased
39501 297072 1 0 3 0x80 kqread dhcpleased
75825 479926 0 0 3 0x14200 bored smr
5140 351905 0 0 3 0x14200 pgzero zerothread
6183 116943 0 0 3 0x14200 aiodoned aiodoned
54800 278306 0 0 2 0x14600 update
42405 34541 0 0 3 0x14200 cleaner cleaner
*18572 245149 0 0 7 0x14200 reaper
64920 515759 0 0 3 0x14200 pgdaemon pagedaemon
31561 208043 0 0 3 0x14200 bored viomb
66748 100930 0 0 3 0x40014200 acpi0 acpi0
691 318303 0 0 3 0x40014200 idle1
30255 59237 0 0 3 0x14200 bored softnet
61310 92234 0 0 3 0x14200 bored softnet
60433 451767 0 0 3 0x14200 bored softnet
48759 206926 0 0 3 0x14200 bored softnet
87331 68061 0 0 2 0x14200 systqmp
311 335753 0 0 3 0x14200 bored systq
72618 220072 0 0 2 0x40014200 softclock
92129 243802 0 0 3 0x40014200 idle0
1 314780 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{0}> show all locks
CPU 0:
exclusive mutex /syzkaller/managers/multicore/kernel/sys/kern/kern_timeout.c:57 r = 0 (0xffffffff8291f510)
#0 witness_lock+0x44d
#1 mtx_enter_try+0x100
#2 mtx_enter+0x4b sys/kern/kern_lock.c:266
#3 softclock+0x2d sys/kern/kern_timeout.c:708
#4 softintr_dispatch+0xfb sys/arch/amd64/amd64/softintr.c:90
#5 Xsoftclock+0x1f
#6 Xspllower+0x19
#7 printf+0x84 sys/kern/subr_prf.c:532
#8 uvm_fault_unwire_locked+0x21c sys/uvm/uvm_fault.c:1679
#9 uvm_unmap_kill_entry_withlock+0x67 sys/uvm/uvm_map.c:1925
#10 uvm_map_teardown+0x1a7 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:176 [inline]
#10 uvm_map_teardown+0x1a7 sys/uvm/uvm_map.c:2578
#11 uvmspace_free+0xa6 sys/uvm/uvm_map.c:3504
#12 reaper+0x19a sys/kern/kern_exit.c:448
#13 proc_trampoline+0x1c
Process 8944 (syz-executor.7) thread 0xffff80002154f268 (47067)
exclusive rrwlock inode r = 0 (0xfffffd80755b42b8)
#0 witness_lock+0x44d
#1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310
#2 rrw_enter+0x8b sys/kern/kern_rwlock.c:465
#3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:518
#4 ufs_ihashins+0x42 sys/ufs/ufs/ufs_ihash.c:140
#5 ffs_vget+0x141 sys/ufs/ffs/ffs_vfsops.c:1353
#6 ffs_inode_alloc+0x1be sys/ufs/ffs/ffs_alloc.c:394
#7 ufs_mkdir+0xf4 sys/ufs/ufs/ufs_vnops.c:1150
#8 VOP_MKDIR+0xbf sys/kern/vfs_vops.c:388
#9 domkdirat+0x121 sys/kern/vfs_syscalls.c:3112
#10 syscall+0x438 mi_syscall sys/sys/syscall_mi.h:101 [inline]
#10 syscall+0x438 sys/arch/amd64/amd64/trap.c:599
#11 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffffd8065d650a8)
#0 witness_lock+0x44d
#1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310
#2 rrw_enter+0x8b sys/kern/kern_rwlock.c:465
#3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:518
#4 vn_lock+0x84 sys/kern/vfs_vnops.c:564
#5 vfs_lookup+0xd1 sys/kern/vfs_lookup.c:412
#6 namei+0x36a sys/kern/vfs_lookup.c:244
#7 domkdirat+0x75 sys/kern/vfs_syscalls.c:3097
#8 syscall+0x438 mi_syscall sys/sys/syscall_mi.h:101 [inline]
#8 syscall+0x438 sys/arch/amd64/amd64/trap.c:599
#9 Xsyscall+0x128
Process 7762 (syz-executor.5) thread 0xffff800021300540 (15867)
exclusive rrwlock inode r = 0 (0xfffffd8065d655f8)
#0 witness_lock+0x44d
#1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310
#2 rrw_enter+0x8b sys/kern/kern_rwlock.c:465
#3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:518
#4 ufs_ihashins+0x42 sys/ufs/ufs/ufs_ihash.c:140
#5 ffs_vget+0x141 sys/ufs/ffs/ffs_vfsops.c:1353
#6 ffs_inode_alloc+0x1be sys/ufs/ffs/ffs_alloc.c:394
#7 ufs_mkdir+0xf4 sys/ufs/ufs/ufs_vnops.c:1150
#8 VOP_MKDIR+0xbf sys/kern/vfs_vops.c:388
#9 domkdirat+0x121 sys/kern/vfs_syscalls.c:3112
#10 syscall+0x438 mi_syscall sys/sys/syscall_mi.h:101 [inline]
#10 syscall+0x438 sys/arch/amd64/amd64/trap.c:599
#11 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffffd806e251e78)
#0 witness_lock+0x44d
#1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310
#2 rrw_enter+0x8b sys/kern/kern_rwlock.c:465
#3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:518
#4 vn_lock+0x84 sys/kern/vfs_vnops.c:564
#5 vfs_lookup+0xd1 sys/kern/vfs_lookup.c:412
#6 namei+0x36a sys/kern/vfs_lookup.c:244
#7 domkdirat+0x75 sys/kern/vfs_syscalls.c:3097
#8 syscall+0x438 mi_syscall sys/sys/syscall_mi.h:101 [inline]
#8 syscall+0x438 sys/arch/amd64/amd64/trap.c:599
#9 Xsyscall+0x128
Process 33930 (syz-executor.4) thread 0xffff80002131dce0 (93513)
shared rwlock vmmaplk r = 0 (0xfffffd8068793488)
#0 witness_lock+0x44d
#1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310
#2 vm_map_lock_ln+0xda sys/uvm/uvm_map.c:5323
#3 uvm_map_pageable+0x11a sys/uvm/uvm_map.c:2293
#4 sys_mlock+0x184 sys/uvm/uvm_mmap.c:834
#5 syscall+0x438 mi_syscall sys/sys/syscall_mi.h:101 [inline]
#5 syscall+0x438 sys/arch/amd64/amd64/trap.c:599
#6 Xsyscall+0x128
Process 8995 (syslogd) thread 0xffff8000ffff7a50 (28242)
exclusive rrwlock inode r = 0 (0xfffffd806e7393d0)
#0 witness_lock+0x44d
#1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310
#2 rrw_enter+0x8b sys/kern/kern_rwlock.c:465
#3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:518
#4 vn_lock+0x84 sys/kern/vfs_vnops.c:564
#5 sys_fsync+0xf5 sys/kern/vfs_syscalls.c:2935
#6 syscall+0x438 mi_syscall sys/sys/syscall_mi.h:101 [inline]
#6 syscall+0x438 sys/arch/amd64/amd64/trap.c:599
#7 Xsyscall+0x128
Process 18572 (reaper) thread 0xffff8000212337a8 (245149)
exclusive rwlock uobjlk r = 0 (0xfffffd8064b657f8)
#0 witness_lock+0x44d
#1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310
#2 uvm_fault_unwire_locked+0x1e6 sys/uvm/uvm_fault.c:1670
#3 uvm_unmap_kill_entry_withlock+0x67 sys/uvm/uvm_map.c:1925
#4 uvm_map_teardown+0x1a7 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:176 [inline]
#4 uvm_map_teardown+0x1a7 sys/uvm/uvm_map.c:2578
#5 uvmspace_free+0xa6 sys/uvm/uvm_map.c:3504
#6 reaper+0x19a sys/kern/kern_exit.c:448
#7 proc_trampoline+0x1c
exclusive kernel_lock &kernel_lock r = 1 (0xffffffff829fd4d0)
#0 witness_lock+0x44d
#1 uvm_unmap_kill_entry_withlock+0x4c sys/uvm/uvm_map.c:1923
#2 uvm_map_teardown+0x1a7 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:176 [inline]
#2 uvm_map_teardown+0x1a7 sys/uvm/uvm_map.c:2578
#3 uvmspace_free+0xa6 sys/uvm/uvm_map.c:3504
#4 reaper+0x19a sys/kern/kern_exit.c:448
#5 proc_trampoline+0x1c
exclusive rwlock vmmaplk r = 0 (0xfffffd805908bba0)
#0 witness_lock+0x44d
#1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310
#2 vm_map_lock_ln+0xda sys/uvm/uvm_map.c:5323
#3 uvm_map_teardown+0x84 sys/uvm/uvm_map.c:2546
#4 uvmspace_free+0xa6 sys/uvm/uvm_map.c:3504
#5 reaper+0x19a sys/kern/kern_exit.c:448
#6 proc_trampoline+0x1c
exclusive mutex /syzkaller/managers/multicore/kernel/sys/kern/kern_timeout.c:57 r = 0 (0xffffffff8291f510)
#0 witness_lock+0x44d
#1 mtx_enter_try+0x100
#2 mtx_enter+0x4b sys/kern/kern_lock.c:266
#3 softclock+0x2d sys/kern/kern_timeout.c:708
#4 softintr_dispatch+0xfb sys/arch/amd64/amd64/softintr.c:90
#5 Xsoftclock+0x1f
#6 Xspllower+0x19
#7 printf+0x84 sys/kern/subr_prf.c:532
#8 uvm_fault_unwire_locked+0x21c sys/uvm/uvm_fault.c:1679
#9 uvm_unmap_kill_entry_withlock+0x67 sys/uvm/uvm_map.c:1925
#10 uvm_map_teardown+0x1a7 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:176 [inline]
#10 uvm_map_teardown+0x1a7 sys/uvm/uvm_map.c:2578
#11 uvmspace_free+0xa6 sys/uvm/uvm_map.c:3504
#12 reaper+0x19a sys/kern/kern_exit.c:448
#13 proc_trampoline+0x1c
ddb{0}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 10242 6515K 7159K 78643K 38670 0
pcb 13 20K 24K 78643K 2536 0
rtable 198 9K 10K 78643K 2872 0
ifaddr 201 44K 44K 78643K 1177 0
sysctl 2 0K 2K 78643K 6 0
counters 68 36K 37K 78643K 600 0
ioctlops 0 0K 4K 78643K 2584 0
iov 0 0K 28K 78643K 2785 0
mount 1 1K 1K 78643K 1 0
log 0 0K 0K 78643K 4 0
vnodes 1550 97K 97K 78643K 10028 0
UFS quota 1 32K 32K 78643K 1 0
UFS mount 5 36K 36K 78643K 5 0
shm 2 1K 5K 78643K 109 0
VM map 2 1K 1K 78643K 2 0
sem 23 11K 21K 78643K 1022 0
dirhash 12 2K 2K 78643K 12 0
ACPI 1697 195K 286K 78643K 12548 0
file desc 11 37K 89K 78643K 12205 0
sigio 0 0K 0K 78643K 492 0
proc 70 91K 115K 78643K 2426 0
subproc 117 7K 7K 78643K 715 0
NFS srvsock 1 0K 0K 78643K 1 0
NFS daemon 1 16K 16K 78643K 1 0
ip_moptions 0 0K 0K 78643K 672 0
in_multi 77 5K 6K 78643K 1010 0
ether_multi 1 0K 0K 78643K 79 0
mrt 1 0K 0K 78643K 47 0
ISOFS mount 1 32K 32K 78643K 1 0
MSDOSFS mount 1 16K 16K 78643K 1 0
ttys 169 758K 758K 78643K 169 0
exec 0 0K 1K 78643K 2913 0
pfkey data 0 0K 0K 78643K 4 0
tdb 3 0K 0K 78643K 3 0
pagedep 1 8K 8K 78643K 1 0
inodedep 1 32K 32K 78643K 1 0
newblk 1 0K 0K 78643K 1 0
VM swap 8 62K 64K 78643K 10 0
UVM amap 541 1103K 1104K 78643K 86715 0
UVM aobj 131 6K 6K 78643K 139 0
memdesc 1 4K 4K 78643K 1 0
crypto data 1 1K 1K 78643K 1 0
ip6_options 0 0K 0K 78643K 337 0
NDP 18 0K 2K 78643K 341 0
temp 160 4703K 5727K 78643K 275063 0
kqueue 12 18K 26K 78643K 868 0
SYN cache 2 136K 144K 78643K 3 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 120 765 0 762 10 9 1 3 0 8 0
rtentry 112 865 0 780 4 1 3 4 0 8 0
unpcb 144 8604 0 8589 87 86 1 10 0 8 0
syncache 296 60 0 60 16 16 0 1 0 8 0
tcpqe 32 349 0 349 16 16 0 2 0 8 0
tcpcb 776 3156 0 3150 97 94 3 8 0 8 2
arp 120 126 0 112 1 0 1 1 0 8 0
inpcb 368 17884 0 17809 198 189 9 31 0 8 1
nd6 48 189 0 170 1 0 1 1 0 8 0
pkpcb 40 7 0 7 2 2 0 1 0 8 0
kcovpl 48 55 0 46 1 0 1 1 0 8 0
mppekey 1024 6 0 6 3 3 0 1 0 8 0
ppxss 1256 151 0 151 20 20 0 1 0 8 0
pppxif 1704 61 0 61 12 12 0 1 0 8 0
pfstscr 40 135 0 129 2 1 1 1 0 8 0
pffrag 232 29 0 29 7 6 1 1 0 482 1
pffrnode 88 29 0 29 7 6 1 1 0 8 1
pffrent 40 71 0 71 7 6 1 1 0 8 1
pfosfp 40 1428 0 1005 5 0 5 5 0 8 0
pfosfpen 112 1428 0 714 21 0 21 21 0 8 0
pfanchor 1280 764 2 252 50 7 43 43 0 8 0
pfqueue 264 5 0 5 2 2 0 1 0 8 0
pfstitem 24 63 0 51 2 1 1 1 0 8 0
pfstkey 120 236 0 233 2 1 1 1 0 8 0
pfstate 384 119 0 113 2 1 1 1 0 8 0
rttmr 136 15 0 15 2 2 0 1 0 8 0
art_heap8 4096 13 0 11 7 5 2 3 0 8 0
art_heap4 256 3753 0 3370 47 23 24 30 0 8 0
art_table 32 3766 0 3381 4 0 4 4 0 8 0
art_node 16 850 0 775 1 0 1 1 0 8 0
sysvmsgpl 40 5 0 5 2 2 0 1 0 8 0
semupl 112 2 0 2 1 1 0 1 0 8 0
semapl 112 1003 0 982 1 0 1 1 0 8 0
shmpl 112 136 0 8 4 0 4 4 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 16552 0 15042 95 0 95 95 0 8 0
ffsino 272 16552 0 15042 101 0 101 101 0 8 0
nchpl 144 32863 0 32371 63 39 24 63 0 8 0
rtmask 32 2 0 2 1 1 0 1 0 8 0
uvmvnodes 80 7753 0 0 159 0 159 159 0 8 0
vnodes 216 7753 0 0 431 0 431 431 0 8 0
namei 1024 123544 0 123542 5 4 1 2 0 8 0
percpumem 16 312 0 266 1 0 1 1 0 8 0
vcpupl 2048 133 0 0 17 0 17 17 0 8 0
vmpool 568 149 0 16 10 0 10 10 0 8 0
kstatmem 264 402 0 366 6 3 3 3 0 8 0
scsiplug 72 8 0 8 3 3 0 1 0 8 0
scxspl 216 110564 0 110564 40 39 1 8 0 8 1
plimitpl 152 1728 0 1710 1 0 1 1 0 8 0
sigapl 424 12445 0 12400 10 3 7 9 0 8 0
futexpl 64 108970 0 108970 6 5 1 1 0 8 1
knotepl 120 935 0 0 17 1 16 17 0 8 0
kqueuepl 216 2164 0 2156 36 35 1 8 0 8 0
pipepl 320 3199 0 3170 88 85 3 11 0 8 0
fdescpl 496 12402 0 12378 7 2 5 5 0 8 0
filepl 152 86429 0 86110 140 125 15 26 0 8 0
lockfpl 104 2689 0 2687 4 3 1 2 0 8 0
lockfspl 48 809 0 807 1 0 1 1 0 8 0
sessionpl 144 74 0 56 1 0 1 1 0 8 0
pgrppl 48 252 0 234 1 0 1 1 0 8 0
ucredpl 104 11387 0 11369 1 0 1 1 0 8 0
zombiepl 144 12402 0 12400 2 1 1 1 0 8 0
processpl 1064 12445 0 12400 5 0 5 5 0 8 0
procpl 672 36448 0 36383 19 10 9 10 0 8 0
srpgc 96 50 0 50 15 15 0 1 0 8 0
sosppl 168 89 0 89 20 20 0 1 0 8 0
sockpl 488 27306 0 27213 506 490 16 45 0 8 2
mcl64k 65536 30 0 0 3 0 3 3 0 8 0
mcl16k 16384 25 0 0 4 1 3 3 0 8 0
mcl12k 12288 32 0 0 2 0 2 2 0 8 0
mcl9k 9216 30 0 0 2 1 1 2 0 8 0
mcl8k 8192 41 0 0 5 2 3 3 0 8 0
mcl4k 4096 33 0 0 4 1 3 3 0 8 0
mcl2k2 2112 10 0 0 1 0 1 1 0 8 0
mcl2k 2048 579 0 0 56 32 24 56 0 8 0
mtagpl 96 621 0 0 9 0 9 9 0 8 0
mbufpl 256 4146 0 0 234 0 234 234 0 8 0
bufpl 288 28516 0 20348 584 0 584 584 0 8 0
anonpl 24 2594961 0 2565956 300 122 178 178 0 186 1
amapchunkpl 152 244678 0 243138 109 48 61 61 0 158 0
amappl16 200 25416 0 24851 156 125 31 50 0 8 0
amappl15 192 6 0 6 1 1 0 1 0 8 0
amappl14 184 333 0 317 2 1 1 2 0 8 0
amappl13 176 29 0 28 1 0 1 1 0 8 0
amappl12 168 991 0 985 1 0 1 1 0 8 0
amappl11 160 51 0 36 1 0 1 1 0 8 0
amappl10 152 118 0 101 1 0 1 1 0 8 0
amappl9 144 1061 0 1059 1 0 1 1 0 8 0
amappl8 136 692 0 573 6 1 5 5 0 8 0
amappl7 128 116 0 96 1 0 1 1 0 8 0
amappl6 120 848 0 822 2 1 1 2 0 8 0
amappl5 112 247 0 236 1 0 1 1 0 8 0
amappl4 104 1184 0 1150 2 1 1 2 0 8 0
amappl3 96 37179 0 37124 2 0 2 2 0 8 0
amappl2 88 13434 0 13356 3 1 2 3 0 8 0
amappl1 80 283590 0 282854 27 9 18 22 0 8 0
amappl 88 85560 0 85278 10 2 8 8 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 72 138 0 8 3 0 3 3 0 8 0
uaddrrnd 24 12551 0 12393 2 1 1 2 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 12551 0 12393 2 1 1 2 0 8 0
vmmpekpl 168 103434 0 103345 5 0 5 5 0 8 0
vmmpepl 168 1147730 0 1144815 318 161 157 162 0 357 0
vmsppl 368 12550 0 12392 18 3 15 16 0 8 0
rwobjpl 56 311693 0 301886 160 20 140 140 0 8 0
pdppl 4096 25109 0 24917 696 492 204 206 0 8 12
pvpl 32 5299206 0 5266313 643 329 314 315 0 265 4
pmappl 248 12550 0 12392 13 2 11 11 0 8 0
extentpl 40 56 0 38 1 0 1 1 0 8 0
phpool 112 2103 0 777 39 0 39 39 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:437
panic(ffffffff825c349b) at panic+0x177 sys/kern/subr_prf.c:198
witness_checkorder(ffffffff82baa9d8,1,0) at witness_checkorder+0x116d sys/kern/subr_witness.c:833
rw_enter_read(ffffffff82baa9c8) at rw_enter_read+0x83 sys/kern/kern_rwlock.c:112
uvmfault_lookup(ffff800021238d50,0) at uvmfault_lookup+0xd9 sys/uvm/uvm_fault.c:1773
uvm_fault_check(ffff800021238d50,ffff800021238d88,ffff800021238db0) at uvm_fault_check+0x3a sys/uvm/uvm_fault.c:673
uvm_fault(ffffffff82baa9c0,12b5088000,0,1) at uvm_fault+0xf2 sys/uvm/uvm_fault.c:601
kpageflttrap(ffff800021238ef0,12b5088b90) at kpageflttrap+0x22e sys/arch/amd64/amd64/trap.c:277
kerntrap(ffff800021238ef0) at kerntrap+0xef sys/arch/amd64/amd64/trap.c:332
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
softclock_process_kclock_timeout(fffffd80664a0f00,0) at softclock_process_kclock_timeout+0x3a sys/kern/kern_timeout.c:652
softclock(0) at softclock+0x11a sys/kern/kern_timeout.c:717
softintr_dispatch(0) at softintr_dispatch+0xfb sys/arch/amd64/amd64/softintr.c:90
Xsoftclock() at Xsoftclock+0x1f
Xspllower() at Xspllower+0x19
printf(ffffffff8258d892) at printf+0x84 sys/kern/subr_prf.c:532
uvm_fault_unwire_locked(fffffd805908bb88,4f887901000,4f887b00000) at uvm_fault_unwire_locked+0x21c sys/uvm/uvm_fault.c:1679
uvm_unmap_kill_entry_withlock(fffffd805908bb88,fffffd8074ca4370,0) at uvm_unmap_kill_entry_withlock+0x67 sys/uvm/uvm_map.c:1925
uvm_map_teardown(fffffd805908bb88) at uvm_map_teardown+0x1a7 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:176 [inline]
uvm_map_teardown(fffffd805908bb88) at uvm_map_teardown+0x1a7 sys/uvm/uvm_map.c:2578
uvmspace_free(fffffd805908bb88) at uvmspace_free+0xa6 sys/uvm/uvm_map.c:3504
reaper(ffff8000212337a8) at reaper+0x19a sys/kern/kern_exit.c:448
end trace frame: 0x0, count: -21
ddb{0}> machine ddbcpu 1
Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp
x86_ipi_db(ffff800020dd8ff0) 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
__mp_lock(ffffffff829fd2c8) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline]
__mp_lock(ffffffff829fd2c8) at __mp_lock+0x122 sys/kern/kern_lock.c:147
__mp_acquire_count(ffffffff829fd2c8,1) at __mp_acquire_count+0x48 sys/kern/kern_lock.c:227
mi_switch() at mi_switch+0x3bb sys/kern/sched_bsd.c:415
sleep_finish(ffff8000212bc350,1) at sleep_finish+0x180 sys/kern/kern_synch.c:417
tsleep(fffffd806f8d3128,11,ffffffff826274ed,0) at tsleep+0x12c sys/kern/kern_synch.c:155
biowait(fffffd806f8d3128) at biowait+0x91 sys/kern/vfs_bio.c:1268
bwrite(fffffd806f8d3128) at bwrite+0x21b sys/kern/vfs_bio.c:769
ffs_update(fffffd806e739338,1) at ffs_update+0x27d sys/ufs/ffs/ffs_inode.c:113
VOP_FSYNC(fffffd806e562cf8,fffffd807f7d7958,1,ffff8000ffff7a50) at VOP_FSYNC+0xce sys/kern/vfs_vops.c:311
sys_fsync(ffff8000ffff7a50,ffff8000212bc5d0,ffff8000212bc620) at sys_fsync+0x109 sys/kern/vfs_syscalls.c:2935
syscall(ffff8000212bc6a0) at syscall+0x438 mi_syscall sys/sys/syscall_mi.h:101 [inline]
syscall(ffff8000212bc6a0) at syscall+0x438 sys/arch/amd64/amd64/trap.c:599
end trace frame: 0xffff8000212bc720, count: 0
ddb{1}> trace
x86_ipi_db(ffff800020dd8ff0) 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
__mp_lock(ffffffff829fd2c8) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline]
__mp_lock(ffffffff829fd2c8) at __mp_lock+0x122 sys/kern/kern_lock.c:147
__mp_acquire_count(ffffffff829fd2c8,1) at __mp_acquire_count+0x48 sys/kern/kern_lock.c:227
mi_switch() at mi_switch+0x3bb sys/kern/sched_bsd.c:415
sleep_finish(ffff8000212bc350,1) at sleep_finish+0x180 sys/kern/kern_synch.c:417
tsleep(fffffd806f8d3128,11,ffffffff826274ed,0) at tsleep+0x12c sys/kern/kern_synch.c:155
biowait(fffffd806f8d3128) at biowait+0x91 sys/kern/vfs_bio.c:1268
bwrite(fffffd806f8d3128) at bwrite+0x21b sys/kern/vfs_bio.c:769
ffs_update(fffffd806e739338,1) at ffs_update+0x27d sys/ufs/ffs/ffs_inode.c:113
VOP_FSYNC(fffffd806e562cf8,fffffd807f7d7958,1,ffff8000ffff7a50) at VOP_FSYNC+0xce sys/kern/vfs_vops.c:311
sys_fsync(ffff8000ffff7a50,ffff8000212bc5d0,ffff8000212bc620) at sys_fsync+0x109 sys/kern/vfs_syscalls.c:2935
syscall(ffff8000212bc6a0) at syscall+0x438 mi_syscall sys/sys/syscall_mi.h:101 [inline]
syscall(ffff8000212bc6a0) at syscall+0x438 sys/arch/amd64/amd64/trap.c:599
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffb7ba0, count: -15