witness: lock_object uninitialized: 0xffffffff85222690
Starting stack trace...
witness_debugger(1) at witness_debugger+0xb2 sys/kern/subr_witness.c:2572
witness_checkorder(ffffffff85222690,9,0) at witness_checkorder+0x19c sys/kern/subr_witness.c:783
mtx_enter(ffffffff85222680) at mtx_enter+0x105 sys/kern/kern_lock.c:406
kqueue_register(ffffffff85222680,ffff8000337585e0,0,0) at kqueue_register+0x3ab sys/kern/kern_event.c:1445
knote_processfork(ffffffff8546b440,17b88) at knote_processfork+0x5b1 sys/kern/kern_event.c:2286
fork1(ffffffff8546b0e0,f0,ffffffff8123d4c0,0,0,ffff8000337587c0) at fork1+0x1225 sys/kern/kern_fork.c:511
kthread_create(ffffffff8123d4c0,0,0,ffffffff8468ab60) at kthread_create+0xa8 sys/kern/kern_kthread.c:61
nfs_getset_niothreads(1) at nfs_getset_niothreads+0xe7 sys/nfs/nfs_syscalls.c:702
nfs_sysctl(ffff8000337589c8,1,0,ffff8000337589a0,200000000180,0,ffff800033758c10) at nfs_sysctl+0x102 sys/nfs/nfs_vfsops.c:891
sys_sysctl(ffff80003a706a88,ffff800033758c10,ffff800033758b80) at sys_sysctl+0x54f sys/kern/kern_sysctl.c:309
syscall(ffff800033758c10) at syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff800033758c10) at syscall+0x1089 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
eStopped at db_enter+0x17: popq %rbp
ddb{0}> set $lines = 0
ddb{0}> set $maxwidth = 0
ddb{0}> show panic
the kernel did not panic
ddb{0}> show kasan
kasan: no report recorded this boot
ddb{0}> trace
db_enter() at db_enter+0x17 sys/arch/amd64/amd64/db_interface.c:457
witness_checkorder(ffffffff85222690,9,0) at witness_checkorder+0x19c sys/kern/subr_witness.c:783
mtx_enter(ffffffff85222680) at mtx_enter+0x105 sys/kern/kern_lock.c:406
kqueue_register(ffffffff85222680,ffff8000337585e0,0,0) at kqueue_register+0x3ab sys/kern/kern_event.c:1445
knote_processfork(ffffffff8546b440,17b88) at knote_processfork+0x5b1 sys/kern/kern_event.c:2286
fork1(ffffffff8546b0e0,f0,ffffffff8123d4c0,0,0,ffff8000337587c0) at fork1+0x1225 sys/kern/kern_fork.c:511
kthread_create(ffffffff8123d4c0,0,0,ffffffff8468ab60) at kthread_create+0xa8 sys/kern/kern_kthread.c:61
nfs_getset_niothreads(1) at nfs_getset_niothreads+0xe7 sys/nfs/nfs_syscalls.c:702
nfs_sysctl(ffff8000337589c8,1,0,ffff8000337589a0,200000000180,0,ffff800033758c10) at nfs_sysctl+0x102 sys/nfs/nfs_vfsops.c:891
sys_sysctl(ffff80003a706a88,ffff800033758c10,ffff800033758b80) at sys_sysctl+0x54f sys/kern/kern_sysctl.c:309
syscall(ffff800033758c10) at syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff800033758c10) at syscall+0x1089 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xf8810e4cf30, count: -12
ddb{0}> show registers
rdi 0x3
rsi 0
rbp 0xffff800033758170
rbx 0
rdx 0xffff80000016f280
rcx 0x7ffff acpi_pdirpa+0x6be70
rax 0xffff80002a2c9000
r8 0xffff8000337580a0
r9 0xffff800033757ee0
r10 0xffff800033757e78
r11 0xffffffff8184f420 comstart
r12 0xffffffff85222690 cpu_info_full_primary+0x2690
r13 0x4
r14 0
r15 0xffffffff852226b0 cpu_info_full_primary+0x26b0
rip 0xffffffff820d6ab7 db_enter+0x17
cs 0x8
rflags 0x246
rsp 0xffff800033758170
ss 0x10
db_enter+0x17: popq %rbp
ddb{0}> show proc
PROC (syz-executor) tid=109030 pid=72273 tcnt=3 stat=onproc
flags process=0 proc=4000000<THREAD>
runpri=32, usrpri=80, slppri=32, nice=20
wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0
forw=0xffffffffffffffff, list=0xffff80003a707780,0xffff80003a707a28
process=0xffff800045ff9358 user=0xffff80003374d000, vmspace=0xffff800001c4d7b8
estcpu=30, cpticks=32, pctcpu=0.20, user=0, sys=31, intr=1
ddb{0}> ps
PID TID PPID UID S PRLAGS PFLAGS WAIT COMMAND
97160 118220 0 0 2 0x14000 0x200 swapper
72273 23574 14148 0 2 0 0 syz-executor
72273 438649 14148 0 3 0 0x4000000 getblk syz-executor
*72273 109030 14148 0 7 0 0x4000000 syz-executor
90572 311052 85698 0 2 0x10 0xc80 syz-executor
90572 217632 85698 0 3 0x10 0x4000080 kqsel syz-executor
90572 399111 85698 0 3 0x10 0x4000080 fsleep syz-executor
98584 165104 9292 0 2 0 0 syz-executor
98584 175222 9292 0 3 0 0x4000080 fsleep syz-executor
6172 175304 29286 0 2 0x100002 0 sh
3242 250946 87484 0 2 0 0 syz-executor
3242 418128 87484 0 3 0 0x4000080 fsleep syz-executor
81018 372656 15283 0 2 0 0 syz-executor
81018 24121 15283 0 3 0 0x4000080 fsleep syz-executor
81018 89523 15283 0 3 0 0x4000080 fsleep syz-executor
86782 182825 58384 0 2 0 0 syz-executor
86782 401774 58384 0 7 0 0x4000000 syz-executor
86782 452433 58384 0 3 0 0x4000080 fsleep syz-executor
29286 97556 36635 0 3 0x2 0x80 wait syz-executor
9292 162178 36635 0 2 0x2 0xc80 syz-executor
87484 43844 36635 0 2 0x2 0xc80 syz-executor
85698 192757 36635 0 2 0x2 0xc80 syz-executor
15283 500773 36635 0 2 0x2 0xc80 syz-executor
72535 61752 36635 0 2 0x2 0 syz-executor
58384 361307 36635 0 2 0x2 0xc80 syz-executor
14148 261889 36635 0 2 0x2 0xc80 syz-executor
36635 427483 91934 0 3 0x2 0x80 kqread syz-executor
91934 115337 20619 0 3 0x100002 0x88 sigsusp ksh
20619 395988 95123 0 3 0x10 0x88 kqread sshd-session
95123 72859 75095 0 3 0x12 0x80 kqread sshd-session
25448 136138 1 0 2 0x100003 0x80 getty
75095 396558 1 0 3 0 0x88 kqread sshd
97614 378325 26719 74 3 0x1100012 0x80 bpf pflogd
26719 519794 1 0 3 0 0x80 sbwait pflogd
56611 488601 62412 73 2 0x1100010 0x80 syslogd
62412 365198 1 0 3 0x100002 0x80 sbwait syslogd
68723 298438 1 0 3 0x100000 0x80 kqread resolvd
19357 78733 17193 77 3 0x100012 0x80 kqread dhcpleased
54375 494257 17193 77 3 0x100012 0x80 kqread dhcpleased
17193 136596 1 0 3 0 0x80 kqread dhcpleased
46175 114326 0 0 2 0x14000 0x40000200 smr
62464 129707 0 0 2 0x14000 0x200 zerothread
23025 513279 0 0 3 0x14000 0x200 aiodoned aiodoned
28451 450300 0 0 3 0x14000 0x200 syncer update
35194 17000 0 0 3 0x14000 0x200 cleaner cleaner
95722 467707 0 0 3 0x14000 0x200 reaper reaper
21141 203990 0 0 3 0x14000 0x200 pgdaemon pagedaemon
7232 159947 0 0 3 0x14000 0x200 bored viomb
8562 426543 0 0 3 0x14000 0x40000200 acpi0 acpi0
32611 469309 0 0 3 0x14000 0x40000200 idle1
91693 329867 0 0 3 0x14000 0x200 bored softnet1
82470 441683 0 0 2 0x14000 0x200 softnet0
32652 296289 0 0 3 0x14000 0x200 bored systqmp
88177 485424 0 0 3 0x14000 0x200 bored systq
63792 181519 0 0 2 0x14000 0x200 softclockmp
70918 365472 0 0 3 0x14000 0x40000200 tmoslp softclock
83746 149897 0 0 3 0x14000 0x40000200 idle0
1 183110 0 0 3 0x2 0x80 wait init
0 0 -1 0 3 0x10000 0x200 scheduler swapper
ddb{0}> show all locks
CPU 1:
exclusive mutex amappl16 r = 0 (0xffffffff854aa1c8)
#0 witness_lock+0x632 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x632 sys/kern/subr_witness.c:1160
#1 mtx_enter+0x683 sys/kern/kern_lock.c:487
#2 pool_get+0x1de sys/kern/subr_pool.c:693
#3 amap_alloc1+0x1b6 sys/uvm/uvm_amap.c:-1
#4 amap_alloc+0x9f sys/uvm/uvm_amap.c:414
#5 amap_copy+0x9fa sys/uvm/uvm_amap.c:567
#6 uvm_fault_check+0x776 sys/uvm/uvm_fault.c:747
#7 uvm_fault+0x1e7 sys/uvm/uvm_fault.c:627
#8 kpageflttrap+0x41e sys/arch/amd64/amd64/trap.c:283
#9 kerntrap+0x1b6 sys/arch/amd64/amd64/trap.c:528
#10 alltraps_kern_meltdown+0x7b
#11 _copyin+0x50
#12 syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#12 syscall+0x1089 sys/arch/amd64/amd64/trap.c:783
#13 Xsyscall+0x128
Process 72273 (syz-executor) thread 0xffff80003a707780 (438649)
exclusive rrwlock inode r = 0 (0xffff800001d23a38)
#0 witness_lock+0x632 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x632 sys/kern/subr_witness.c:1160
#1 rw_do_enter_write+0x53e sys/kern/kern_rwlock.c:320
#2 rrw_enter+0xf0 sys/kern/kern_rwlock.c:621
#3 VOP_LOCK+0x17e sys/kern/vfs_vops.c:527
#4 ufs_ihashins+0xda sys/ufs/ufs/ufs_ihash.c:146
#5 ffs_vget+0x2e9 sys/ufs/ffs/ffs_vfsops.c:1232
#6 ffs_inode_alloc+0x576 sys/ufs/ffs/ffs_alloc.c:393
#7 ufs_makeinode+0x1a1 sys/ufs/ufs/ufs_vnops.c:1759
#8 ufs_create+0xcf sys/ufs/ufs/ufs_vnops.c:147
#9 VOP_CREATE+0x1a2 sys/kern/vfs_vops.c:103
#10 vn_open+0x6d9 sys/kern/vfs_vnops.c:118
#11 doopenat+0x460 sys/kern/vfs_syscalls.c:1163
#12 sys_open+0x86 sys/kern/vfs_syscalls.c:1065
#13 syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#13 syscall+0x1089 sys/arch/amd64/amd64/trap.c:783
#14 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xffff800001d230f8)
#0 witness_lock+0x632 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x632 sys/kern/subr_witness.c:1160
#1 rw_do_enter_write+0x53e sys/kern/kern_rwlock.c:320
#2 rrw_enter+0xf0 sys/kern/kern_rwlock.c:621
#3 VOP_LOCK+0x17e sys/kern/vfs_vops.c:527
#4 vn_lock+0xca sys/kern/vfs_vnops.c:576
#5 vfs_lookup+0x1f7 sys/kern/vfs_lookup.c:431
#6 namei+0xe19 sys/kern/vfs_lookup.c:250
#7 vn_open+0x319 sys/kern/vfs_vnops.c:109
#8 doopenat+0x460 sys/kern/vfs_syscalls.c:1163
#9 sys_open+0x86 sys/kern/vfs_syscalls.c:1065
#10 syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#10 syscall+0x1089 sys/arch/amd64/amd64/trap.c:783
#11 Xsyscall+0x128
Process 72273 (syz-executor) thread 0xffff80003a706a88 (109030)
exclusive kernel_lock &kernel_lock r = 1 (0xffffffff85d77a80)
#0 witness_lock+0x632 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x632 sys/kern/subr_witness.c:1160
#1 sysctl_vslock+0x72 sys/kern/kern_sysctl.c:197
#2 sys_sysctl+0x460 sys/kern/kern_sysctl.c:304
#3 syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#3 syscall+0x1089 sys/arch/amd64/amd64/trap.c:783
#4 Xsyscall+0x128
exclusive rwlock sysctllk r = 0 (0xffffffff8530cc58)
#0 witness_lock+0x632 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x632 sys/kern/subr_witness.c:1160
#1 rw_do_enter_write+0x53e sys/kern/kern_rwlock.c:320
#2 sysctl_vslock+0x37 sys/kern/kern_sysctl.c:192
#3 sys_sysctl+0x460 sys/kern/kern_sysctl.c:304
#4 syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#4 syscall+0x1089 sys/arch/amd64/amd64/trap.c:783
#5 Xsyscall+0x128
Process 86782 (syz-executor) thread 0xffff800045ffd770 (401774)
exclusive rwlock vmmaplk r = 0 (0xffff800001c8b4f0)
#0 witness_lock+0x632 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x632 sys/kern/subr_witness.c:1160
#1 rw_do_enter_read+0x55d sys/kern/kern_rwlock.c:413
#2 uvmfault_lookup+0x1a2 sys/uvm/uvm_fault.c:-1
#3 uvm_fault_check+0x43 sys/uvm/uvm_fault.c:693
#4 uvm_fault+0x1e7 sys/uvm/uvm_fault.c:627
#5 kpageflttrap+0x41e sys/arch/amd64/amd64/trap.c:283
#6 kerntrap+0x1b6 sys/arch/amd64/amd64/trap.c:528
#7 alltraps_kern_meltdown+0x7b
#8 _copyin+0x50
#9 syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#9 syscall+0x1089 sys/arch/amd64/amd64/trap.c:783
#10 Xsyscall+0x128
Process 72535 (syz-executor) thread 0xffff800029912010 (61752)
exclusive rrwlock inode r = 0 (0xffff800001d23470)
#0 witness_lock+0x632 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x632 sys/kern/subr_witness.c:1160
#1 rw_do_enter_write+0x53e sys/kern/kern_rwlock.c:320
#2 rrw_enter+0xf0 sys/kern/kern_rwlock.c:621
#3 VOP_LOCK+0x17e sys/kern/vfs_vops.c:527
#4 ufs_ihashins+0xda sys/ufs/ufs/ufs_ihash.c:146
#5 ffs_vget+0x2e9 sys/ufs/ffs/ffs_vfsops.c:1232
#6 ffs_inode_alloc+0x576 sys/ufs/ffs/ffs_alloc.c:393
#7 ufs_mkdir+0x25d sys/ufs/ufs/ufs_vnops.c:1112
#8 VOP_MKDIR+0x1a8 sys/kern/vfs_vops.c:394
#9 domkdirat+0x1f9 sys/kern/vfs_syscalls.c:3063
#10 syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#10 syscall+0x1089 sys/arch/amd64/amd64/trap.c:783
#11 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xffff800001b9ab48)
#0 witness_lock+0x632 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x632 sys/kern/subr_witness.c:1160
#1 rw_do_enter_write+0x53e sys/kern/kern_rwlock.c:320
#2 rrw_enter+0xf0 sys/kern/kern_rwlock.c:621
#3 VOP_LOCK+0x17e sys/kern/vfs_vops.c:527
#4 vn_lock+0xca sys/kern/vfs_vnops.c:576
#5 vfs_lookup+0x1f7 sys/kern/vfs_lookup.c:431
#6 namei+0xe19 sys/kern/vfs_lookup.c:250
#7 domkdirat+0xe1 sys/kern/vfs_syscalls.c:3048
#8 syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#8 syscall+0x1089 sys/arch/amd64/amd64/trap.c:783
#9 Xsyscall+0x128
ddb{0}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 11062 12456K 12461K 166960K 12214 0
pcb 17 26K 28K 166960K 72 0
rtable 181 9K 13K 166960K 365 0
pf 30 21K 23K 166960K 50 0
ifaddr 33 9K 12K 166960K 48 0
ifgroup 47 2K 2K 166960K 61 0
sysctl 4 1K 13K 166960K 8 0
counters 66 41K 43K 166960K 74 0
ioctlops 0 0K 4K 166960K 1497 0
iov 0 0K 12K 166960K 6 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1296 83K 84K 166960K 1424 0
UFS quota 1 36K 36K 166960K 1 0
UFS mount 5 44K 44K 166960K 5 0
shm 2 2K 6K 166960K 3 0
VM map 2 1K 1K 166960K 2 0
sem 9 0K 0K 166960K 10 0
dirhash 12 2K 2K 166960K 12 0
ACPI 1734 201K 292K 166960K 11964 0
file desc 17 61K 97K 166960K 221 0
proc 72 128K 193K 166960K 583 0
subproc 72 9K 9K 166960K 81 0
NFS srvsock 1 0K 0K 166960K 1 0
NFS daemon 1 20K 20K 166960K 1 0
in_multi 67 5K 7K 166960K 100 0
ether_multi 1 0K 0K 166960K 1 0
mrt 0 0K 0K 166960K 3 0
ISOFS mount 1 36K 36K 166960K 1 0
MSDOSFS mount 1 20K 20K 166960K 1 0
ttys 43 303K 303K 166960K 43 0
exec 0 0K 2K 166960K 394 0
fusefs mount 1 36K 36K 166960K 1 0
tdb 3 1K 1K 166960K 3 0
VM swap 14 124K 124K 166960K 15 0
UVM amap 230 247K 270K 166960K 3836 0
UVM aobj 8 4K 4K 166960K 8 0
pinsyscall 1066 1750K 1751K 166960K 1396 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
NDP 10 0K 2K 166960K 30 0
temp 38 9170K 9179K 166960K 4178 0
kqueue 15 45K 52K 166960K 40 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 28 0 0 1 0 1 1 0 8 0
rtpcb 120 34 0 31 1 0 1 1 0 8 0
rtentry 176 116 0 34 6 0 6 6 0 8 1
unpcb 144 113 0 94 2 0 2 2 0 8 1
syncache 336 4 0 4 1 0 1 1 0 8 1
tcpcb 736 16 0 11 1 0 1 1 0 8 0
arp 136 20 0 6 1 0 1 1 0 8 0
inpcb 328 142 0 133 4 0 4 4 0 8 2
nd6 152 25 0 9 1 0 1 1 0 8 0
kcovpl 48 9 0 1 1 0 1 1 0 8 0
ppxss 1192 1 0 1 1 0 1 1 0 8 1
pffrent 40 1 0 1 1 0 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
pfstitem 24 19 0 0 1 0 1 1 0 8 0
pfstkey 128 19 0 0 1 0 1 1 0 8 0
pfstate 448 19 0 0 3 0 3 3 0 8 0
pfrule 1360 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 256 458 0 132 29 0 29 29 0 8 4
art_table 40 459 0 132 5 0 5 5 0 8 0
art_node 32 116 0 41 1 0 1 1 0 8 0
sysvmsgpl 40 1 0 1 1 0 1 1 0 8 1
semupl 112 2 0 2 1 0 1 1 0 8 1
semapl 72 7 0 0 1 0 1 1 0 8 0
shmpl 112 5 0 0 1 0 1 1 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 1689 0 221 93 0 93 93 0 8 0
ffsino 296 1690 0 221 114 0 114 114 0 8 0
nchpl 144 2002 0 298 64 0 64 64 0 8 0
vnodes 216 1824 0 0 102 0 102 102 0 8 0
namei 1024 6212 0 6210 2 0 2 2 0 8 1
percpumem 16 53 0 4 1 0 1 1 0 8 0
kstatmem 264 31 0 8 2 0 2 2 0 8 0
scxspl 216 7163 0 7163 4 3 1 3 1 8 1
plimitpl 152 35 0 18 1 0 1 1 0 8 0
sigapl 424 537 0 489 7 0 7 7 0 8 1
knotepl 120 144 0 0 5 0 5 5 0 8 0
kqueuepl 224 49 0 37 1 0 1 1 0 8 0
pipepl 344 206 0 178 9 0 9 9 0 8 6
fdescpl 528 520 0 489 3 0 3 3 0 8 0
filepl 160 2162 0 1944 15 0 15 15 0 8 4
lockfpl 104 36 0 34 1 0 1 1 0 8 0
lockfspl 48 19 0 17 1 0 1 1 0 8 0
sessionpl 144 29 0 20 1 0 1 1 0 8 0
pgrppl 48 40 0 23 1 0 1 1 0 8 0
ucredpl 104 165 0 150 1 0 1 1 0 8 0
zombiepl 144 489 0 489 1 0 1 1 0 8 1
processpl 1232 537 0 489 5 0 5 5 0 8 1
procpl 664 673 0 615 6 0 6 6 0 8 1
sockpl 752 291 0 260 7 0 7 7 0 8 3
mcl64k 65536 1 0 0 1 0 1 1 0 8 0
mcl8k 8192 1 0 0 1 0 1 1 0 8 0
mcl4k 4096 120 0 0 15 0 15 15 0 8 0
mcl2k 2048 31 0 0 4 0 4 4 0 8 0
mextrefs 64 26 0 0 1 0 1 1 0 8 0
mtagpl 96 2 0 0 1 0 1 1 0 8 0
mbufpl 256 186 0 0 12 0 12 12 0 8 0
bufpl 272 2404 0 106 154 0 154 154 0 8 0
anonpl 32 5462 0 0 44 0 44 44 0 222 0
amapchunkpl 152 10775 0 10249 22 0 22 22 0 158 1
amappl16 200 1993 0 1901 8 3 5 5 0 8 0
amappl15 192 12 0 11 2 1 1 1 0 8 0
amappl14 184 438 0 435 1 0 1 1 0 8 0
amappl13 176 140 0 128 1 0 1 1 0 8 0
amappl12 168 771 0 741 2 0 2 2 0 8 0
amappl11 160 24 0 24 2 1 1 1 0 8 1
amappl10 152 71 0 57 1 0 1 1 0 8 0
amappl9 144 286 0 286 1 1 0 1 0 8 0
amappl8 136 102 0 100 1 0 1 1 0 8 0
amappl7 128 151 0 138 1 0 1 1 0 8 0
amappl6 120 165 0 163 1 0 1 1 0 8 0
amappl5 112 107 0 97 1 0 1 1 0 8 0
amappl4 104 308 0 287 1 0 1 1 0 8 0
amappl3 96 1987 0 1878 4 0 4 4 0 8 1
amappl2 88 548 0 487 2 0 2 2 0 8 0
amappl1 80 10807 0 10205 16 1 15 15 0 8 2
amappl 88 3095 0 2936 4 0 4 4 0 92 0
uvmvnodes 80 99 0 0 3 0 3 3 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 128 253 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 7 0 0 1 0 1 1 0 8 0
uaddrrnd 24 520 0 489 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 520 0 489 1 0 1 1 0 8 0
vmmpekpl 168 6610 0 6576 3 0 3 3 0 8 0
vmmpepl 168 42550 0 40608 86 0 86 86 0 357 1
vmsppl 488 519 0 489 5 0 5 5 0 8 0
rwobjpl 80 15685 0 14580 25 0 25 25 0 8 1
pdppl 4096 1049 0 978 101 26 75 89 0 8 4
pvpl 32 12178 0 0 100 1 99 99 0 265 0
pmappl 256 519 0 489 3 0 3 3 0 8 0
extentpl 40 47 0 29 1 0 1 1 0 8 0
phpool 120 429 0 29 13 0 13 13 0 8 0
ddb{0}> machine ddbcpu 0
Invalid cpu 0
ddb{0}> trace
db_enter() at db_enter+0x17 sys/arch/amd64/amd64/db_interface.c:457
witness_checkorder(ffffffff85222690,9,0) at witness_checkorder+0x19c sys/kern/subr_witness.c:783
mtx_enter(ffffffff85222680) at mtx_enter+0x105 sys/kern/kern_lock.c:406
kqueue_register(ffffffff85222680,ffff8000337585e0,0,0) at kqueue_register+0x3ab sys/kern/kern_event.c:1445
knote_processfork(ffffffff8546b440,17b88) at knote_processfork+0x5b1 sys/kern/kern_event.c:2286
fork1(ffffffff8546b0e0,f0,ffffffff8123d4c0,0,0,ffff8000337587c0) at fork1+0x1225 sys/kern/kern_fork.c:511
kthread_create(ffffffff8123d4c0,0,0,ffffffff8468ab60) at kthread_create+0xa8 sys/kern/kern_kthread.c:61
nfs_getset_niothreads(1) at nfs_getset_niothreads+0xe7 sys/nfs/nfs_syscalls.c:702
nfs_sysctl(ffff8000337589c8,1,0,ffff8000337589a0,200000000180,0,ffff800033758c10) at nfs_sysctl+0x102 sys/nfs/nfs_vfsops.c:891
sys_sysctl(ffff80003a706a88,ffff800033758c10,ffff800033758b80) at sys_sysctl+0x54f sys/kern/kern_sysctl.c:309
syscall(ffff800033758c10) at syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff800033758c10) at syscall+0x1089 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xf8810e4cf30, count: -12
ddb{0}> machine ddbcpu 1
nd of kernel
endS trace frame: 0xf8810e4cf30, cotunt: 245
End ofo stack trace.
pped at x86_ipi_db+0x19: leave
ddb{1}> trace
x86_ipi_db(ffff800028fe3ff0) at x86_ipi_db+0x19 sys/arch/amd64/amd64/db_interface.c:412
x86_ipi_handler() at x86_ipi_handler+0x112 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27
kasan_shadow_4byte_isvalid(ffffffff85450a5c) at kasan_shadow_4byte_isvalid+0x1 sys/kern/kasan_shadow.h:119
witness_lock_stack_free(fffffd8007d14360) at witness_lock_stack_free+0xb8 sys/kern/subr_witness.c:1856
witness_unlock(ffffffff854aa1c8,8) at witness_unlock+0x510 sys/kern/subr_witness.c:1326
mtx_leave(ffffffff854aa1b8) at mtx_leave+0xb3 sys/kern/kern_lock.c:503
pool_get(ffffffff854aa1b0,a) at pool_get+0x313 sys/kern/subr_pool.c:702
amap_alloc1(10,2,0) at amap_alloc1+0x1b6 sys/uvm/uvm_amap.c:-1
amap_alloc(10000,2,0) at amap_alloc+0x9f sys/uvm/uvm_amap.c:414
amap_copy(ffff800001c8b3f0,ffff800001ccf800,2,1,200000440000,200000440001) at amap_copy+0x9fa sys/uvm/uvm_amap.c:567
uvm_fault_check(ffff800033983e20,ffff800033983dc8,ffff800033983db8,0) at uvm_fault_check+0x776 sys/uvm/uvm_fault.c:747
uvm_fault(ffff800001c8b3f0,200000440000,0,1) at uvm_fault+0x1e7 sys/uvm/uvm_fault.c:627
kpageflttrap(ffff800033984100,200000440000) at kpageflttrap+0x41e sys/arch/amd64/amd64/trap.c:283
kerntrap(ffff800033984100) at kerntrap+0x1b6 sys/arch/amd64/amd64/trap.c:528
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
_copyin() at _copyin+0x50
syscall(ffff800033984700) at syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff800033984700) at syscall+0x1089 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x9775327b300, count: -19