login: panic: acquiring blockable sleep lock with spinlock or critical section held (rwlock) vmmaplk
Stopped at db_enter+0x25: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
133512 74110 0 0x1000 0x4080000 1 syz-executor
*339126 67731 0 0 0x4000000 0 syz-executor
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff8307ff84) at panic+0x1e5 sys/kern/subr_prf.c:198
witness_checkorder(fffffd806c007ba0,1,0) at witness_checkorder+0x1113 sys/kern/subr_witness.c:843
rw_enter_read(fffffd806c007b90) at rw_enter_read+0xab sys/kern/kern_rwlock.c:112
uvmfault_lookup(ffff8000371ff7c8,0) at uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1819
uvm_fault_check(ffff8000371ff7c8,ffff8000371ff800,ffff8000371ff830,0) at uvm_fault_check+0x49 sys/uvm/uvm_fault.c:672
uvm_fault(fffffd806c007aa8,20000000,0,2) at uvm_fault+0xf5 sys/uvm/uvm_fault.c:600
kpageflttrap(ffff8000371ff970,20000100) at kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:279
kerntrap(ffff8000371ff970) at kerntrap+0x14a sys/arch/amd64/amd64/trap.c:332
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
copyout() at copyout+0x62
kern_sysctl(ffff8000371ffcf4,5,20000100,ffff8000371ffd28,0,37,4b1e373314fe9aa) at kern_sysctl+0x492 sys/kern/kern_sysctl.c:506
sys_sysctl(ffff8000371d4ce8,ffff8000371ffe60,ffff8000371ffdb0) at sys_sysctl+0x425
syscall(ffff8000371ffe60) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline]
syscall(ffff8000371ffe60) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577
end trace frame: 0xffff8000371ffee0, 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+0x25 sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff8307ff84) at panic+0x1e5 sys/kern/subr_prf.c:198
witness_checkorder(fffffd806c007ba0,1,0) at witness_checkorder+0x1113 sys/kern/subr_witness.c:843
rw_enter_read(fffffd806c007b90) at rw_enter_read+0xab sys/kern/kern_rwlock.c:112
uvmfault_lookup(ffff8000371ff7c8,0) at uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1819
uvm_fault_check(ffff8000371ff7c8,ffff8000371ff800,ffff8000371ff830,0) at uvm_fault_check+0x49 sys/uvm/uvm_fault.c:672
uvm_fault(fffffd806c007aa8,20000000,0,2) at uvm_fault+0xf5 sys/uvm/uvm_fault.c:600
kpageflttrap(ffff8000371ff970,20000100) at kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:279
kerntrap(ffff8000371ff970) at kerntrap+0x14a sys/arch/amd64/amd64/trap.c:332
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
copyout() at copyout+0x62
kern_sysctl(ffff8000371ffcf4,5,20000100,ffff8000371ffd28,0,37,4b1e373314fe9aa) at kern_sysctl+0x492 sys/kern/kern_sysctl.c:506
sys_sysctl(ffff8000371d4ce8,ffff8000371ffe60,ffff8000371ffdb0) at sys_sysctl+0x425
syscall(ffff8000371ffe60) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline]
syscall(ffff8000371ffe60) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x4705be22e70, count: -15
ddb{0}> show registers
rdi 0
rsi 0x1
rbp 0xffff8000371ff410
rbx 0xffffffff83474dbf cpu_info_full_primary+0x2dbf
rdx 0xffff80000133f780
rcx 0xffff8000371d4ce8
rax 0xffffffff83473ff0 cpu_info_full_primary+0x1ff0
r8 0x101010101010101
r9 0x8080808080808080
r10 0x3f4c06e3096258cc
r11 0x90a5fddf5218f3b8
r12 0xffffffff83474bc0 cpu_info_full_primary+0x2bc0
r13 0
r14 0
r15 0x1
rip 0xffffffff8292af95 db_enter+0x25
cs 0x8
rflags 0x246
rsp 0xffff8000371ff400
ss 0x10
db_enter+0x25: addq $0x8,%rsp
ddb{0}> show proc
PROC (syz-executor) tid=339126 pid=67731 tcnt=3 stat=onproc
flags process=0 proc=4000000<THREAD>
runpri=84, usrpri=84, slppri=32, nice=20
wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0
forw=0xffffffffffffffff, list=0xffff8000371d4040,0xffff8000371d4f80
process=0xffff80003729db38 user=0xffff8000371fa000, vmspace=0xfffffd806c007aa8
estcpu=34, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0
ddb{0}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
74110 97116 95498 0 3 0x3000 suspend syz-executor
74110 133512 95498 0 7 0x4081000 syz-executor
1058 254583 15350 0 2 0 syz-executor
1058 116860 15350 0 3 0x4000080 fsleep syz-executor
1058 232525 15350 0 3 0x4000080 fsleep syz-executor
35761 315703 40250 0 2 0 syz-executor
35761 123805 40250 0 3 0x4000080 fsleep syz-executor
35761 22994 40250 0 3 0x4000080 fsleep syz-executor
67731 271604 46091 0 2 0 syz-executor
*67731 339126 46091 0 7 0x4000000 syz-executor
67731 435388 46091 0 2 0x4000000 syz-executor
85809 179023 13207 0 2 0 syz-executor
85809 313459 13207 0 2 0x4000000 syz-executor
85809 517020 13207 0 3 0x4000080 fsleep syz-executor
50797 288611 36255 0 2 0x400000 syz-executor
50797 346392 36255 0 3 0x4400080 ttyout syz-executor
50797 199148 36255 0 3 0x4400080 fsleep syz-executor
50797 211936 36255 0 2 0x4400000 syz-executor
67907 42007 64639 0 2 0 syz-executor
67907 411573 64639 0 3 0x4000080 fsleep syz-executor
67907 257792 64639 0 3 0x4000080 fsleep syz-executor
11346 270432 5985 0 2 0x10 syz-executor
11346 311369 5985 0 3 0x4000090 sbwait syz-executor
11346 117186 5985 0 2 0x4000010 syz-executor
11346 185164 5985 0 2 0x4000010 syz-executor
31174 484636 1 0 3 0x100083 ttyin getty
64639 509567 5030 0 3 0x82 nanoslp syz-executor
45280 336244 0 0 3 0x14280 nfsidl nfsio
84971 153512 0 0 3 0x14280 nfsidl nfsio
21065 54805 0 0 3 0x14280 nfsidl nfsio
36291 157711 0 0 3 0x14280 nfsidl nfsio
7396 494737 0 0 3 0x14280 nfsidl nfsio
12487 362108 0 0 3 0x14280 nfsidl nfsio
82134 212427 0 0 3 0x14280 nfsidl nfsio
61736 124072 0 0 3 0x14280 nfsidl nfsio
51570 107023 0 0 3 0x14280 nfsidl nfsio
39615 255218 0 0 3 0x14280 nfsidl nfsio
9870 317548 0 0 3 0x14280 nfsidl nfsio
36463 254119 0 0 3 0x14280 nfsidl nfsio
58949 375771 0 0 3 0x14280 nfsidl nfsio
21088 283450 0 0 3 0x14280 nfsidl nfsio
88305 297201 0 0 3 0x14280 nfsidl nfsio
24085 26618 0 0 3 0x14280 nfsidl nfsio
15061 1494 0 0 3 0x14280 nfsidl nfsio
20732 246230 0 0 3 0x14280 nfsidl nfsio
30629 285149 0 0 3 0x14280 nfsidl nfsio
36490 371465 0 0 3 0x14280 nfsidl nfsio
46091 265755 5030 0 2 0x3 syz-executor
96473 387016 0 0 3 0x14200 bored sosplice
95498 278378 5030 0 3 0x82 nanoslp syz-executor
13207 489892 5030 0 3 0x82 nanoslp syz-executor
5985 280390 5030 0 2 0x3 syz-executor
15350 200938 5030 0 2 0x3 syz-executor
36255 224861 5030 0 2 0x3 syz-executor
40250 348881 5030 0 3 0x82 nanoslp syz-executor
5030 467632 79394 0 3 0x82 kqread syz-executor
79394 360516 78777 0 3 0x10008a sigsusp ksh
78777 163019 22169 0 3 0x98 kqread sshd-session
22169 414465 68379 0 3 0x92 kqread sshd-session
68379 6161 1 0 3 0x88 kqread sshd
65149 369832 84411 74 3 0x1100092 bpf pflogd
84411 43079 1 0 3 0x80 sbwait pflogd
63321 182195 98711 73 3 0x1100090 kqread syslogd
98711 448868 1 0 3 0x100082 sbwait syslogd
74130 487114 1 0 3 0x100080 kqread resolvd
40019 77345 54554 77 3 0x100092 kqread dhcpleased
14850 393511 54554 77 3 0x100092 kqread dhcpleased
54554 113835 1 0 3 0x80 kqread dhcpleased
74323 28585 0 0 3 0x14200 bored smr
13251 318369 0 0 3 0x14200 pgzero zerothread
90183 362835 0 0 3 0x14200 aiodoned aiodoned
49880 73674 0 0 3 0x14200 syncer update
14390 354503 0 0 3 0x14200 cleaner cleaner
30827 437424 0 0 3 0x14200 reaper reaper
96432 421298 0 0 3 0x14200 pgdaemon pagedaemon
34847 73872 0 0 3 0x14200 bored viomb
7533 53069 0 0 3 0x40014200 acpi0 acpi0
75034 287265 0 0 3 0x40014200 idle1
75893 39042 0 0 3 0x14200 bored softnet3
78911 504388 0 0 3 0x14200 bored softnet2
973 395972 0 0 3 0x14200 bored softnet1
89318 50973 0 0 3 0x14200 bored softnet0
10044 375827 0 0 3 0x14200 bored systqmp
20216 312977 0 0 3 0x14200 bored systq
29055 176790 0 0 3 0x14200 tmoslp softclockmp
10204 68794 0 0 3 0x40014200 tmoslp softclock
59450 48384 0 0 3 0x40014200 idle0
1 67388 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{0}> show all locks
CPU 0:
exclusive mutex &table->inpt_mtx r = 0 (0xffffffff83560d78)
#0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5bb sys/kern/subr_witness.c:1155
#1 mtx_enter_try+0x178
#2 mtx_enter+0x60 sys/kern/kern_lock.c:239
#3 sysctl_file+0x9fd
#4 kern_sysctl+0x492 sys/kern/kern_sysctl.c:506
#5 sys_sysctl+0x425
#6 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline]
#6 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577
#7 Xsyscall+0x128
Process 67731 (syz-executor) thread 0xffff8000371d4ce8 (339126)
exclusive rwlock netlock r = 0 (0xffffffff8342b7a0)
#0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5bb sys/kern/subr_witness.c:1155
#1 sysctl_file+0x9e8 sys/kern/kern_sysctl.c:1681
#2 kern_sysctl+0x492 sys/kern/kern_sysctl.c:506
#3 sys_sysctl+0x425
#4 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline]
#4 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577
#5 Xsyscall+0x128
exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83561540)
#0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5bb sys/kern/subr_witness.c:1155
#1 __mp_acquire_count+0x58
#2 mi_switch+0x4b7 sys/kern/sched_bsd.c:441
#3 yield+0x6a sys/kern/sched_bsd.c:320
#4 malloc+0xe5 sys/kern/kern_malloc.c:170
#5 sysctl_file+0x1c7 sys/kern/kern_sysctl.c:1655
#6 kern_sysctl+0x492 sys/kern/kern_sysctl.c:506
#7 sys_sysctl+0x425
#8 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline]
#8 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577
#9 Xsyscall+0x128
exclusive rwlock sysctllk r = 0 (0xffffffff8345f0f0)
#0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5bb sys/kern/subr_witness.c:1155
#1 rw_enter+0x41b sys/kern/kern_rwlock.c:309
#2 sysctl_vslock+0x45 sys/kern/kern_sysctl.c:181
#3 kern_sysctl+0x1ad sys/kern/kern_sysctl.c:504
#4 sys_sysctl+0x425
#5 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline]
#5 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577
#6 Xsyscall+0x128
exclusive mutex &table->inpt_mtx r = 0 (0xffffffff83560d78)
#0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5bb sys/kern/subr_witness.c:1155
#1 mtx_enter_try+0x178
#2 mtx_enter+0x60 sys/kern/kern_lock.c:239
#3 sysctl_file+0x9fd
#4 kern_sysctl+0x492 sys/kern/kern_sysctl.c:506
#5 sys_sysctl+0x425
#6 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline]
#6 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577
#7 Xsyscall+0x128
Process 67731 (syz-executor) thread 0xffff8000ffffdbe8 (435388)
exclusive rwlock futex r = 0 (0xffffffff8347a2b0)
#0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5bb sys/kern/subr_witness.c:1155
#1 rw_enter+0x41b sys/kern/kern_rwlock.c:309
#2 sys_futex+0x69 sys/kern/sys_futex.c:98
#3 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline]
#3 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577
#4 Xsyscall+0x128
Process 11346 (syz-executor) thread 0xffff8000371d5c18 (311369)
exclusive rwlock sbufrcv r = 0 (0xffff8000013bb0a0)
#0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5bb sys/kern/subr_witness.c:1155
#1 rw_enter+0x41b sys/kern/kern_rwlock.c:309
#2 sblock+0xb7 sys/kern/uipc_socket2.c:549
#3 soreceive+0x295 sys/kern/uipc_socket.c:945
#4 recvit+0x40a sys/kern/uipc_syscalls.c:1079
#5 sys_recvmmsg+0x3d3 sys/kern/uipc_syscalls.c:970
#6 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline]
#6 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577
#7 Xsyscall+0x128
ddb{0}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 10219 11151K 11458K 166960K 12287 0
pcb 19 14K 14K 166960K 300 0
rtable 183 5K 7K 166960K 495 0
pf 33 17K 21K 166960K 91 0
ifaddr 36 6K 7K 166960K 76 0
ifgroup 51 2K 2K 166960K 107 0
sysctl 4 1K 3K 166960K 5 0
counters 62 36K 36K 166960K 98 0
ioctlops 0 0K 4K 166960K 1541 0
iov 1 4K 24K 166960K 56 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1421 89K 90K 166960K 2231 0
UFS quota 1 32K 32K 166960K 1 0
UFS mount 5 36K 36K 166960K 5 0
shm 2 1K 9K 166960K 19 0
VM map 2 1K 1K 166960K 2 0
sem 29 3K 3K 166960K 69 0
dirhash 12 2K 2K 166960K 21 0
ACPI 1690 195K 286K 166960K 12468 0
file desc 18 65K 89K 166960K 987 0
sigio 0 0K 0K 166960K 52 0
proc 72 91K 140K 166960K 674 0
subproc 104 6K 6K 166960K 130 0
NFS srvsock 1 0K 0K 166960K 1 0
NFS daemon 1 16K 16K 166960K 1 0
ip_moptions 0 0K 0K 166960K 234 0
in_multi 82 6K 7K 166960K 163 0
ether_multi 1 0K 0K 166960K 3 0
mrt 1 0K 0K 166960K 5 0
ISOFS mount 1 32K 32K 166960K 1 0
MSDOSFS mount 1 16K 16K 166960K 1 0
ttys 187 837K 837K 166960K 187 0
exec 0 0K 1K 166960K 497 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 266 73K 87K 166960K 11089 0
UVM aobj 14 2K 2K 166960K 15 0
pinsyscall 43 86K 104K 166960K 2126 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
ip6_options 0 0K 0K 166960K 57 0
NDP 11 0K 2K 166960K 54 0
temp 73 6828K 6917K 166960K 27840 0
kqueue 14 22K 29K 166960K 165 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 24 0 0 1 0 1 1 0 8 0
rtpcb 120 86 0 83 1 0 1 1 0 8 0
rtentry 112 160 0 77 4 0 4 4 0 8 0
unpcb 144 757 0 733 11 7 4 6 0 8 3
syncache 336 5 0 5 1 1 0 1 0 8 0
tcpcb 808 399 0 393 11 7 4 5 0 8 3
arp 120 28 0 14 1 0 1 1 0 8 0
inpcb 336 1415 0 1400 22 13 9 10 0 8 7
nd6 136 38 0 15 1 0 1 1 0 8 0
pkpcb 40 7 0 7 3 2 1 1 0 8 1
kcovpl 48 10 0 2 1 0 1 1 0 8 0
ppxss 1168 9 0 9 3 3 0 1 0 8 0
pfstscr 40 1 0 0 1 0 1 1 0 8 0
pffrag 232 7 0 2 1 0 1 1 0 482 0
pffrnode 88 7 0 2 1 0 1 1 0 8 0
pffrent 40 10 0 5 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
pfanchor 1288 2 0 0 1 0 1 1 0 8 0
pfstitem 24 91 0 35 1 0 1 1 0 8 0
pfstkey 128 91 0 35 3 0 3 3 0 8 0
pfstate 376 90 0 35 7 0 7 7 0 8 0
pfrule 1344 24 0 17 2 0 2 2 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 703 0 310 29 3 26 29 0 8 0
art_table 32 704 0 310 4 0 4 4 0 8 0
art_node 16 158 0 83 1 0 1 1 0 8 0
sysvmsgpl 40 18 0 11 1 0 1 1 0 8 0
semapl 112 65 0 38 1 0 1 1 0 8 0
shmpl 112 12 0 1 1 0 1 1 0 8 0
dirhash 1024 23 0 6 3 0 3 3 0 8 0
dino2pl 256 3235 0 1729 95 0 95 95 0 8 0
ffsino 272 3235 0 1729 102 0 102 102 0 8 0
nchpl 144 4621 0 2928 64 0 64 64 0 8 0
uvmvnodes 80 3766 0 0 77 0 77 77 0 8 0
vnodes 216 3766 0 0 210 0 210 210 0 8 0
namei 1024 16302 0 16302 2 1 1 2 0 8 1
percpumem 16 63 0 18 1 0 1 1 0 8 0
kstatmem 264 58 0 36 2 0 2 2 0 8 0
scsiplug 72 6 0 6 3 3 0 1 0 8 0
scxspl 216 15010 0 15010 8 7 1 5 1 8 1
plimitpl 152 203 0 184 1 0 1 1 0 8 0
sigapl 424 1309 0 1238 10 1 9 9 0 8 0
futexpl 64 13273 0 13264 1 0 1 1 0 8 0
knotepl 120 556 0 0 17 0 17 17 0 8 0
kqueuepl 216 343 0 331 5 4 1 5 0 8 0
pipepl 320 252 0 223 6 0 6 6 0 8 3
fdescpl 496 1267 0 1235 5 0 5 5 0 8 0
filepl 152 8814 0 8540 23 6 17 17 0 8 4
lockfpl 104 276 0 274 1 0 1 1 0 8 0
lockfspl 48 113 0 111 1 0 1 1 0 8 0
sessionpl 144 28 0 19 1 0 1 1 0 8 0
pgrppl 48 125 0 107 1 0 1 1 0 8 0
ucredpl 104 1716 0 1702 1 0 1 1 0 8 0
zombiepl 144 1493 0 1492 1 0 1 1 0 8 0
processpl 1160 1309 0 1238 7 1 6 6 0 8 0
procpl 648 2812 0 2724 9 1 8 8 0 8 0
srpgc 96 6 0 6 2 2 0 1 0 8 0
sosppl 168 7 0 7 2 2 0 1 0 8 0
sockpl 664 2276 0 2234 27 16 11 14 0 8 7
mcl64k 65536 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 2 0 0 1 0 1 1 0 8 0
mcl4k 4096 138 0 0 18 0 18 18 0 8 0
mcl2k 2048 36 0 0 5 0 5 5 0 8 0
mtagpl 96 18 0 0 1 0 1 1 0 8 0
mbufpl 256 1196 0 0 75 0 75 75 0 8 0
bufpl 280 4822 0 103 338 0 338 338 0 8 0
anonpl 24 244512 0 240531 108 34 74 74 0 185 27
amapchunkpl 152 35812 0 35209 34 5 29 29 0 158 3
amappl16 200 6657 0 6623 58 43 15 27 0 8 7
amappl15 192 9 0 8 1 0 1 1 0 8 0
amappl14 184 122 0 110 1 0 1 1 0 8 0
amappl13 176 11 0 11 1 1 0 1 0 8 0
amappl12 168 1941 0 1909 4 1 3 3 0 8 0
amappl11 160 55 0 41 1 0 1 1 0 8 0
amappl10 152 10 0 10 2 2 0 1 0 8 0
amappl9 144 156 0 156 1 1 0 1 0 8 0
amappl8 136 152 0 149 1 0 1 1 0 8 0
amappl7 128 114 0 101 1 0 1 1 0 8 0
amappl6 120 184 0 182 1 0 1 1 0 8 0
amappl5 112 158 0 146 1 0 1 1 0 8 0
amappl4 104 327 0 309 1 0 1 1 0 8 0
amappl3 96 6685 0 6571 3 0 3 3 0 8 0
amappl2 88 1560 0 1472 3 0 3 3 0 8 0
amappl1 80 10685 0 10116 14 0 14 14 0 8 1
amappl 88 10614 0 10410 5 0 5 5 0 92 0
dma8192 8192 2 0 2 1 0 1 1 0 8 1
dma4096 4096 2 0 2 2 2 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 128 254 0 254 2 2 0 1 0 8 0
dma64 64 7 0 7 2 2 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 14 0 1 1 0 1 1 0 8 0
uaddrrnd 24 1267 0 1235 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 1267 0 1235 1 0 1 1 0 8 0
vmmpekpl 168 11653 0 11605 4 0 4 4 0 8 0
vmmpepl 168 85442 0 83479 123 16 107 107 0 357 11
vmsppl 448 1266 0 1235 6 2 4 5 0 8 0
rwobjpl 56 30782 0 26018 73 0 73 73 0 8 0
pdppl 4096 2541 0 2470 107 36 71 83 0 8 0
pvpl 32 20734 0 0 167 0 167 167 0 265 0
pmappl 248 1266 0 1235 3 0 3 3 0 8 0
extentpl 40 55 0 38 1 0 1 1 0 8 0
phpool 112 487 0 69 12 0 12 12 0 8 0
ddb{0}> machine ddbcpu 0
Invalid cpu 0
ddb{0}> trace
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff8307ff84) at panic+0x1e5 sys/kern/subr_prf.c:198
witness_checkorder(fffffd806c007ba0,1,0) at witness_checkorder+0x1113 sys/kern/subr_witness.c:843
rw_enter_read(fffffd806c007b90) at rw_enter_read+0xab sys/kern/kern_rwlock.c:112
uvmfault_lookup(ffff8000371ff7c8,0) at uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1819
uvm_fault_check(ffff8000371ff7c8,ffff8000371ff800,ffff8000371ff830,0) at uvm_fault_check+0x49 sys/uvm/uvm_fault.c:672
uvm_fault(fffffd806c007aa8,20000000,0,2) at uvm_fault+0xf5 sys/uvm/uvm_fault.c:600
kpageflttrap(ffff8000371ff970,20000100) at kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:279
kerntrap(ffff8000371ff970) at kerntrap+0x14a sys/arch/amd64/amd64/trap.c:332
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
copyout() at copyout+0x62
kern_sysctl(ffff8000371ffcf4,5,20000100,ffff8000371ffd28,0,37,4b1e373314fe9aa) at kern_sysctl+0x492 sys/kern/kern_sysctl.c:506
sys_sysctl(ffff8000371d4ce8,ffff8000371ffe60,ffff8000371ffdb0) at sys_sysctl+0x425
syscall(ffff8000371ffe60) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline]
syscall(ffff8000371ffe60) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x4705be22e70, count: -15
ddb{0}> machine ddbcpu 1
Stopped at x86_ipi_db+0x27: addq $0x8,%rsp
x86_ipi_db(ffff800029b7bff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:393
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(ffffffff83561338) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline]
__mp_lock(ffffffff83561338) at __mp_lock+0x192 sys/kern/kern_lock.c:144
single_thread_check_locked(ffff8000371d4550,0) at single_thread_check_locked+0x2b5 sys/kern/kern_sig.c:2078
userret(ffff8000371d4550) at userret+0x9c sys/kern/kern_sig.c:2021
syscall(ffff80003720bd90) at syscall+0x9a7 mi_syscall_return sys/sys/syscall_mi.h:205 [inline]
syscall(ffff80003720bd90) at syscall+0x9a7 sys/arch/amd64/amd64/trap.c:598
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xf8c484b8700, count: 7
ddb{1}> trace
x86_ipi_db(ffff800029b7bff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:393
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(ffffffff83561338) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline]
__mp_lock(ffffffff83561338) at __mp_lock+0x192 sys/kern/kern_lock.c:144
single_thread_check_locked(ffff8000371d4550,0) at single_thread_check_locked+0x2b5 sys/kern/kern_sig.c:2078
userret(ffff8000371d4550) at userret+0x9c sys/kern/kern_sig.c:2021
syscall(ffff80003720bd90) at syscall+0x9a7 mi_syscall_return sys/sys/syscall_mi.h:205 [inline]
syscall(ffff80003720bd90) at syscall+0x9a7 sys/arch/amd64/amd64/trap.c:598
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xf8c484b8700, count: -8