uvm_fault (2)
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syzbot
Jun 13, 2020, 4:41:18 AM6/13/20
to syzkaller-o...@googlegroups.com
Hello,
syzbot found the following crash on:
HEAD commit: fe9bb682 Teach powerpc64 ddb to x, w, break, step, trace.
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=15ff0989100000
kernel config: https://syzkaller.appspot.com/x/.config?x=fe55924c11e64b0a
dashboard link: https://syzkaller.appspot.com/bug?extid=c26b058a499ce38f689f
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=10162eda100000
IMPORTANT: if you fix the bug, please add the following tag to the commit:
Reported-by: syzbot+c26b05...@syzkaller.appspotmail.com
login: uvm_fault(0xffffffff827c6788, 0xffffffff00000000, 0, 4) -> e
kernel: page fault trap, code=0
Stopped at 0xffffffff00000000:uvm_fault(0xffffffff827c6788, 0xffffffff00000000, 0, 1) -> e
kernel: page fault trap, code=0
Stopped at db_read_bytes+0xe3: movzbl 0(%r15,%rbx,1),%eax
ddb>
ddb> set $lines = 0
ddb> set $maxwidth = 0
ddb> show panic
kernel page fault
uvm_fault(0xffffffff827c6788, 0xffffffff00000000, 0, 1) -> e
db_read_bytes(ffffffff00000000,1,ffff80001d779ce4) at db_read_bytes+0xe3 sys/arch/amd64/amd64/db_memrw.c:85
end trace frame: 0xffff80001d779d40, count: 0
ddb> trace
db_read_bytes(ffffffff00000000,1,ffff80001d779ce4) at db_read_bytes+0xe3 sys/arch/amd64/amd64/db_memrw.c:85
db_get_value(ffffffff00000000,1,0) at db_get_value+0x60 sys/ddb/db_access.c:59
db_disasm(ffffffff00000000,0) at db_disasm+0x8f
db_trap(6,0) at db_trap+0x12e sys/ddb/db_trap.c:71
db_ktrap(6,0,ffff80001d779f70) at db_ktrap+0x1b6 sys/arch/amd64/amd64/db_interface.c:149
kerntrap(ffff80001d779f70) at kerntrap+0x129 sys/arch/amd64/amd64/trap.c:293
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
end trace frame: 0x0, count: -7
ddb> show registers
rdi 0
rsi 0x1
rbp 0xffff80001d779cc0
rbx 0
rdx 0x4
rcx 0x7
rax 0x1
r8 0xffffffff81af4a8f db_read_bytes+0x3f
r9 0x7
r10 0xd5dfee9bbff53431
r11 0xee075ab59bb7b684
r12 0
r13 0
r14 0xffff80001d779ce4
r15 0xffffffff00000000
rip 0xffffffff81af4b33 db_read_bytes+0xe3
cs 0x8
rflags 0x10246 __ALIGN_SIZE+0xf246
rsp 0xffff80001d779c60
ss 0x10
db_read_bytes+0xe3: movzbl 0(%r15,%rbx,1),%eax
ddb> show proc
PROC (syz-executor.0) pid=398801 stat=onproc
flags process=0 proc=0
pri=50, usrpri=50, nice=20
forw=0xffffffffffffffff, list=0xffff80001d6aa388,0xffffffff827c95b8
process=0xffff8000ffffb938 user=0xffff80001d775000, vmspace=0xfffffd806bc0a220
estcpu=36, cpticks=1, pctcpu=0.0
user=0, sys=1, intr=0
ddb> ps
PID TID PPID UID S FLAGS WAIT COMMAND
* 281 398801 27540 0 7 0 syz-executor.0
27540 449385 2571 0 3 0x82 nanosleep syz-executor.0
2571 224380 45374 0 3 0x82 kqread syz-execprog
2571 515283 45374 0 3 0x4000082 nanosleep syz-execprog
2571 397138 45374 0 3 0x4000082 thrsleep syz-execprog
2571 70963 45374 0 3 0x4000082 thrsleep syz-execprog
2571 519160 45374 0 3 0x4000082 thrsleep syz-execprog
2571 239287 45374 0 3 0x4000082 thrsleep syz-execprog
2571 502047 45374 0 3 0x4000082 thrsleep syz-execprog
2571 249780 45374 0 3 0x4000082 thrsleep syz-execprog
45374 237603 14166 0 3 0x10008a pause ksh
14166 373510 41631 0 3 0x92 select sshd
44020 222771 1 0 3 0x100083 ttyin getty
41631 350847 1 0 3 0x80 select sshd
85857 341790 4502 73 3 0x100090 kqread syslogd
4502 98544 1 0 3 0x100082 netio syslogd
65636 484699 1 77 3 0x100090 poll dhclient
19476 133793 1 0 3 0x80 poll dhclient
40170 426379 0 0 3 0x14200 bored smr
66559 150803 0 0 2 0x14200 zerothread
938 308470 0 0 3 0x14200 aiodoned aiodoned
5657 244279 0 0 3 0x14200 syncer update
12443 51390 0 0 3 0x14200 cleaner cleaner
14178 378891 0 0 3 0x14200 reaper reaper
1106 202517 0 0 3 0x14200 pgdaemon pagedaemon
21140 512845 0 0 3 0x14200 bored crynlk
8672 170441 0 0 3 0x14200 bored crypto
12814 411847 0 0 3 0x40014200 acpi0 acpi0
25881 140502 0 0 3 0x14200 bored softnet
54826 355563 0 0 3 0x14200 bored systqmp
88905 507514 0 0 3 0x14200 bored systq
49130 49234 0 0 2 0x40014200 softclock
175 501163 0 0 3 0x40014200 idle0
1 350429 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb> show all locks
No such command
ddb> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 9444 6321K 6321K 78643K 10543 0
pcb 13 8K 8K 78643K 13 0
rtable 83 2K 2K 78643K 153 0
ifaddr 32 8K 9K 78643K 82 0
counters 20 16K 16K 78643K 20 0
ioctlops 0 0K 2K 78643K 14 0
mount 1 1K 1K 78643K 1 0
vnodes 1182 74K 74K 78643K 1187 0
UFS quota 1 32K 32K 78643K 1 0
UFS mount 5 36K 36K 78643K 5 0
shm 2 1K 1K 78643K 2 0
VM map 2 0K 0K 78643K 2 0
sem 2 0K 0K 78643K 2 0
dirhash 12 2K 2K 78643K 12 0
ACPI 1809 195K 288K 78643K 12938 0
file desc 3 8K 12K 78643K 67 0
proc 47 38K 54K 78643K 318 0
NFS srvsock 1 0K 0K 78643K 1 0
NFS daemon 1 16K 16K 78643K 1 0
in_multi 22 1K 1K 78643K 22 0
ether_multi 1 0K 0K 78643K 1 0
ISOFS mount 1 32K 32K 78643K 1 0
MSDOSFS mount 1 16K 16K 78643K 1 0
ttys 19 95K 95K 78643K 19 0
exec 0 0K 1K 78643K 171 0
pagedep 1 8K 8K 78643K 1 0
inodedep 1 32K 32K 78643K 1 0
newblk 1 0K 0K 78643K 1 0
VM swap 7 26K 26K 78643K 7 0
UVM amap 67 11K 12K 78643K 886 0
UVM aobj 2 2K 2K 78643K 2 0
memdesc 1 4K 4K 78643K 1 0
crypto data 1 1K 1K 78643K 1 0
NDP 4 0K 0K 78643K 6 0
temp 23 3837K 3901K 78643K 1718 0
kqueue 3 4K 4K 78643K 3 0
SYN cache 2 16K 16K 78643K 2 0
ddb> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
arp 64 4 0 0 1 0 1 1 0 8 0
rtpcb 80 17 0 15 1 0 1 1 0 8 0
rtentry 112 34 0 1 1 0 1 1 0 8 0
unpcb 120 27 0 19 1 0 1 1 0 8 0
syncache 264 5 0 5 2 1 1 1 0 8 1
tcpcb 544 8 0 5 1 0 1 1 0 8 0
inpcb 280 76 0 69 1 0 1 1 0 8 0
nd6 48 3 0 0 1 0 1 1 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 145 0 0 10 0 10 10 0 8 0
art_table 32 146 0 0 2 0 2 2 0 8 0
art_node 16 33 0 3 1 0 1 1 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 1464 0 70 88 0 88 88 0 8 0
ffsino 240 1464 0 70 83 0 83 83 0 8 0
nchpl 144 1731 0 135 60 0 60 60 0 8 0
uvmvnodes 72 1473 0 0 27 0 27 27 0 8 0
vnodes 208 1473 0 0 78 0 78 78 0 8 0
namei 1024 4115 0 4115 2 1 1 1 0 8 1
scxspl 192 4708 0 4708 2 1 1 1 0 8 1
plimitpl 152 14 0 8 1 0 1 1 0 8 0
sigapl 424 261 0 234 4 0 4 4 0 8 0
knotepl 112 47 0 36 1 0 1 1 0 8 0
kqueuepl 144 2 0 0 1 0 1 1 0 8 0
pipelkpl 16 70 0 63 2 1 1 1 0 8 0
pipepl 120 140 0 127 2 1 1 1 0 8 0
fdescpl 432 247 0 234 2 0 2 2 0 8 0
filepl 120 1076 0 1022 2 0 2 2 0 8 0
lockfpl 104 5 0 4 1 0 1 1 0 8 0
lockfspl 48 3 0 2 1 0 1 1 0 8 0
sessionpl 112 18 0 9 1 0 1 1 0 8 0
pgrppl 48 18 0 9 1 0 1 1 0 8 0
ucredpl 96 57 0 50 1 0 1 1 0 8 0
zombiepl 144 234 0 234 2 1 1 1 0 8 1
processpl 920 261 0 234 4 0 4 4 0 8 0
procpl 624 268 0 234 3 0 3 3 0 8 0
sockpl 400 120 0 103 2 0 2 2 0 8 0
mcl4k 4096 10 0 10 2 1 1 1 0 8 1
mcl2k 2048 5522 0 5494 6 2 4 6 0 8 0
mtagpl 80 2 0 2 1 1 0 1 0 8 0
mbufpl 256 9672 0 9593 7 1 6 6 0 8 1
bufpl 280 3008 0 125 206 0 206 206 0 8 0
anonpl 16 21591 0 20044 14 2 12 12 0 107 4
amapchunkpl 152 806 0 745 4 0 4 4 0 158 1
amappl16 192 297 0 261 2 0 2 2 0 8 0
amappl15 184 1 0 0 1 0 1 1 0 8 0
amappl14 176 27 0 23 1 0 1 1 0 8 0
amappl13 168 122 0 116 2 1 1 1 0 8 0
amappl12 160 5 0 5 2 1 1 1 0 8 1
amappl11 152 43 0 33 1 0 1 1 0 8 0
amappl10 144 10 0 7 1 0 1 1 0 8 0
amappl9 136 214 0 213 1 0 1 1 0 8 0
amappl8 128 235 0 228 1 0 1 1 0 8 0
amappl7 120 102 0 91 1 0 1 1 0 8 0
amappl6 112 25 0 21 1 0 1 1 0 8 0
amappl5 104 146 0 136 1 0 1 1 0 8 0
amappl4 96 486 0 456 1 0 1 1 0 8 0
amappl3 88 158 0 151 1 0 1 1 0 8 0
amappl2 80 883 0 830 2 0 2 2 0 8 0
amappl1 72 13995 0 13594 24 7 17 17 0 8 8
amappl 80 467 0 441 1 0 1 1 0 84 0
dma4096 4096 1 0 1 1 1 0 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 64 1 0 0 1 0 1 1 0 8 0
uaddrrnd 24 247 0 234 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 247 0 234 1 0 1 1 0 8 0
vmmpekpl 168 6233 0 6213 2 0 2 2 0 8 1
vmmpepl 168 31066 0 30178 85 16 69 69 0 357 30
vmsppl 272 246 0 234 1 0 1 1 0 8 0
pdppl 4096 500 0 468 5 0 5 5 0 8 0
pvpl 32 110025 0 106193 108 6 102 102 0 265 70
pmappl 200 246 0 234 1 0 1 1 0 8 0
extentpl 40 53 0 36 1 0 1 1 0 8 0
phpool 112 216 0 7 6 0 6 6 0 8 0
ddb> machine ddbcpu 0
No such command
ddb> trace
db_read_bytes(ffffffff00000000,1,ffff80001d779ce4) at db_read_bytes+0xe3 sys/arch/amd64/amd64/db_memrw.c:85
db_get_value(ffffffff00000000,1,0) at db_get_value+0x60 sys/ddb/db_access.c:59
db_disasm(ffffffff00000000,0) at db_disasm+0x8f
db_trap(6,0) at db_trap+0x12e sys/ddb/db_trap.c:71
db_ktrap(6,0,ffff80001d779f70) at db_ktrap+0x1b6 sys/arch/amd64/amd64/db_interface.c:149
kerntrap(ffff80001d779f70) at kerntrap+0x129 sys/arch/amd64/amd64/trap.c:293
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
end trace frame: 0x0, count: -7
ddb> machine ddbcpu 1
No such command
ddb> trace
db_read_bytes(ffffffff00000000,1,ffff80001d779ce4) at db_read_bytes+0xe3 sys/arch/amd64/amd64/db_memrw.c:85
db_get_value(ffffffff00000000,1,0) at db_get_value+0x60 sys/ddb/db_access.c:59
db_disasm(ffffffff00000000,0) at db_disasm+0x8f
db_trap(6,0) at db_trap+0x12e sys/ddb/db_trap.c:71
db_ktrap(6,0,ffff80001d779f70) at db_ktrap+0x1b6 sys/arch/amd64/amd64/db_interface.c:149
kerntrap(ffff80001d779f70) at kerntrap+0x129 sys/arch/amd64/amd64/trap.c:293
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
end trace frame: 0x0, count: -7
ddb>
---
This bug is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
syzbot engineers can be reached at syzk...@googlegroups.com.
syzbot will keep track of this bug report. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
syzbot can test patches for this bug, for details see:
https://goo.gl/tpsmEJ#testing-patches
syzbot found the following crash on:
HEAD commit: fe9bb682 Teach powerpc64 ddb to x, w, break, step, trace.
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=15ff0989100000
kernel config: https://syzkaller.appspot.com/x/.config?x=fe55924c11e64b0a
dashboard link: https://syzkaller.appspot.com/bug?extid=c26b058a499ce38f689f
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=10162eda100000
IMPORTANT: if you fix the bug, please add the following tag to the commit:
Reported-by: syzbot+c26b05...@syzkaller.appspotmail.com
login: uvm_fault(0xffffffff827c6788, 0xffffffff00000000, 0, 4) -> e
kernel: page fault trap, code=0
Stopped at 0xffffffff00000000:uvm_fault(0xffffffff827c6788, 0xffffffff00000000, 0, 1) -> e
kernel: page fault trap, code=0
Stopped at db_read_bytes+0xe3: movzbl 0(%r15,%rbx,1),%eax
ddb>
ddb> set $lines = 0
ddb> set $maxwidth = 0
ddb> show panic
kernel page fault
uvm_fault(0xffffffff827c6788, 0xffffffff00000000, 0, 1) -> e
db_read_bytes(ffffffff00000000,1,ffff80001d779ce4) at db_read_bytes+0xe3 sys/arch/amd64/amd64/db_memrw.c:85
end trace frame: 0xffff80001d779d40, count: 0
ddb> trace
db_read_bytes(ffffffff00000000,1,ffff80001d779ce4) at db_read_bytes+0xe3 sys/arch/amd64/amd64/db_memrw.c:85
db_get_value(ffffffff00000000,1,0) at db_get_value+0x60 sys/ddb/db_access.c:59
db_disasm(ffffffff00000000,0) at db_disasm+0x8f
db_trap(6,0) at db_trap+0x12e sys/ddb/db_trap.c:71
db_ktrap(6,0,ffff80001d779f70) at db_ktrap+0x1b6 sys/arch/amd64/amd64/db_interface.c:149
kerntrap(ffff80001d779f70) at kerntrap+0x129 sys/arch/amd64/amd64/trap.c:293
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
end trace frame: 0x0, count: -7
ddb> show registers
rdi 0
rsi 0x1
rbp 0xffff80001d779cc0
rbx 0
rdx 0x4
rcx 0x7
rax 0x1
r8 0xffffffff81af4a8f db_read_bytes+0x3f
r9 0x7
r10 0xd5dfee9bbff53431
r11 0xee075ab59bb7b684
r12 0
r13 0
r14 0xffff80001d779ce4
r15 0xffffffff00000000
rip 0xffffffff81af4b33 db_read_bytes+0xe3
cs 0x8
rflags 0x10246 __ALIGN_SIZE+0xf246
rsp 0xffff80001d779c60
ss 0x10
db_read_bytes+0xe3: movzbl 0(%r15,%rbx,1),%eax
ddb> show proc
PROC (syz-executor.0) pid=398801 stat=onproc
flags process=0 proc=0
pri=50, usrpri=50, nice=20
forw=0xffffffffffffffff, list=0xffff80001d6aa388,0xffffffff827c95b8
process=0xffff8000ffffb938 user=0xffff80001d775000, vmspace=0xfffffd806bc0a220
estcpu=36, cpticks=1, pctcpu=0.0
user=0, sys=1, intr=0
ddb> ps
PID TID PPID UID S FLAGS WAIT COMMAND
* 281 398801 27540 0 7 0 syz-executor.0
27540 449385 2571 0 3 0x82 nanosleep syz-executor.0
2571 224380 45374 0 3 0x82 kqread syz-execprog
2571 515283 45374 0 3 0x4000082 nanosleep syz-execprog
2571 397138 45374 0 3 0x4000082 thrsleep syz-execprog
2571 70963 45374 0 3 0x4000082 thrsleep syz-execprog
2571 519160 45374 0 3 0x4000082 thrsleep syz-execprog
2571 239287 45374 0 3 0x4000082 thrsleep syz-execprog
2571 502047 45374 0 3 0x4000082 thrsleep syz-execprog
2571 249780 45374 0 3 0x4000082 thrsleep syz-execprog
45374 237603 14166 0 3 0x10008a pause ksh
14166 373510 41631 0 3 0x92 select sshd
44020 222771 1 0 3 0x100083 ttyin getty
41631 350847 1 0 3 0x80 select sshd
85857 341790 4502 73 3 0x100090 kqread syslogd
4502 98544 1 0 3 0x100082 netio syslogd
65636 484699 1 77 3 0x100090 poll dhclient
19476 133793 1 0 3 0x80 poll dhclient
40170 426379 0 0 3 0x14200 bored smr
66559 150803 0 0 2 0x14200 zerothread
938 308470 0 0 3 0x14200 aiodoned aiodoned
5657 244279 0 0 3 0x14200 syncer update
12443 51390 0 0 3 0x14200 cleaner cleaner
14178 378891 0 0 3 0x14200 reaper reaper
1106 202517 0 0 3 0x14200 pgdaemon pagedaemon
21140 512845 0 0 3 0x14200 bored crynlk
8672 170441 0 0 3 0x14200 bored crypto
12814 411847 0 0 3 0x40014200 acpi0 acpi0
25881 140502 0 0 3 0x14200 bored softnet
54826 355563 0 0 3 0x14200 bored systqmp
88905 507514 0 0 3 0x14200 bored systq
49130 49234 0 0 2 0x40014200 softclock
175 501163 0 0 3 0x40014200 idle0
1 350429 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb> show all locks
No such command
ddb> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 9444 6321K 6321K 78643K 10543 0
pcb 13 8K 8K 78643K 13 0
rtable 83 2K 2K 78643K 153 0
ifaddr 32 8K 9K 78643K 82 0
counters 20 16K 16K 78643K 20 0
ioctlops 0 0K 2K 78643K 14 0
mount 1 1K 1K 78643K 1 0
vnodes 1182 74K 74K 78643K 1187 0
UFS quota 1 32K 32K 78643K 1 0
UFS mount 5 36K 36K 78643K 5 0
shm 2 1K 1K 78643K 2 0
VM map 2 0K 0K 78643K 2 0
sem 2 0K 0K 78643K 2 0
dirhash 12 2K 2K 78643K 12 0
ACPI 1809 195K 288K 78643K 12938 0
file desc 3 8K 12K 78643K 67 0
proc 47 38K 54K 78643K 318 0
NFS srvsock 1 0K 0K 78643K 1 0
NFS daemon 1 16K 16K 78643K 1 0
in_multi 22 1K 1K 78643K 22 0
ether_multi 1 0K 0K 78643K 1 0
ISOFS mount 1 32K 32K 78643K 1 0
MSDOSFS mount 1 16K 16K 78643K 1 0
ttys 19 95K 95K 78643K 19 0
exec 0 0K 1K 78643K 171 0
pagedep 1 8K 8K 78643K 1 0
inodedep 1 32K 32K 78643K 1 0
newblk 1 0K 0K 78643K 1 0
VM swap 7 26K 26K 78643K 7 0
UVM amap 67 11K 12K 78643K 886 0
UVM aobj 2 2K 2K 78643K 2 0
memdesc 1 4K 4K 78643K 1 0
crypto data 1 1K 1K 78643K 1 0
NDP 4 0K 0K 78643K 6 0
temp 23 3837K 3901K 78643K 1718 0
kqueue 3 4K 4K 78643K 3 0
SYN cache 2 16K 16K 78643K 2 0
ddb> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
arp 64 4 0 0 1 0 1 1 0 8 0
rtpcb 80 17 0 15 1 0 1 1 0 8 0
rtentry 112 34 0 1 1 0 1 1 0 8 0
unpcb 120 27 0 19 1 0 1 1 0 8 0
syncache 264 5 0 5 2 1 1 1 0 8 1
tcpcb 544 8 0 5 1 0 1 1 0 8 0
inpcb 280 76 0 69 1 0 1 1 0 8 0
nd6 48 3 0 0 1 0 1 1 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 145 0 0 10 0 10 10 0 8 0
art_table 32 146 0 0 2 0 2 2 0 8 0
art_node 16 33 0 3 1 0 1 1 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 1464 0 70 88 0 88 88 0 8 0
ffsino 240 1464 0 70 83 0 83 83 0 8 0
nchpl 144 1731 0 135 60 0 60 60 0 8 0
uvmvnodes 72 1473 0 0 27 0 27 27 0 8 0
vnodes 208 1473 0 0 78 0 78 78 0 8 0
namei 1024 4115 0 4115 2 1 1 1 0 8 1
scxspl 192 4708 0 4708 2 1 1 1 0 8 1
plimitpl 152 14 0 8 1 0 1 1 0 8 0
sigapl 424 261 0 234 4 0 4 4 0 8 0
knotepl 112 47 0 36 1 0 1 1 0 8 0
kqueuepl 144 2 0 0 1 0 1 1 0 8 0
pipelkpl 16 70 0 63 2 1 1 1 0 8 0
pipepl 120 140 0 127 2 1 1 1 0 8 0
fdescpl 432 247 0 234 2 0 2 2 0 8 0
filepl 120 1076 0 1022 2 0 2 2 0 8 0
lockfpl 104 5 0 4 1 0 1 1 0 8 0
lockfspl 48 3 0 2 1 0 1 1 0 8 0
sessionpl 112 18 0 9 1 0 1 1 0 8 0
pgrppl 48 18 0 9 1 0 1 1 0 8 0
ucredpl 96 57 0 50 1 0 1 1 0 8 0
zombiepl 144 234 0 234 2 1 1 1 0 8 1
processpl 920 261 0 234 4 0 4 4 0 8 0
procpl 624 268 0 234 3 0 3 3 0 8 0
sockpl 400 120 0 103 2 0 2 2 0 8 0
mcl4k 4096 10 0 10 2 1 1 1 0 8 1
mcl2k 2048 5522 0 5494 6 2 4 6 0 8 0
mtagpl 80 2 0 2 1 1 0 1 0 8 0
mbufpl 256 9672 0 9593 7 1 6 6 0 8 1
bufpl 280 3008 0 125 206 0 206 206 0 8 0
anonpl 16 21591 0 20044 14 2 12 12 0 107 4
amapchunkpl 152 806 0 745 4 0 4 4 0 158 1
amappl16 192 297 0 261 2 0 2 2 0 8 0
amappl15 184 1 0 0 1 0 1 1 0 8 0
amappl14 176 27 0 23 1 0 1 1 0 8 0
amappl13 168 122 0 116 2 1 1 1 0 8 0
amappl12 160 5 0 5 2 1 1 1 0 8 1
amappl11 152 43 0 33 1 0 1 1 0 8 0
amappl10 144 10 0 7 1 0 1 1 0 8 0
amappl9 136 214 0 213 1 0 1 1 0 8 0
amappl8 128 235 0 228 1 0 1 1 0 8 0
amappl7 120 102 0 91 1 0 1 1 0 8 0
amappl6 112 25 0 21 1 0 1 1 0 8 0
amappl5 104 146 0 136 1 0 1 1 0 8 0
amappl4 96 486 0 456 1 0 1 1 0 8 0
amappl3 88 158 0 151 1 0 1 1 0 8 0
amappl2 80 883 0 830 2 0 2 2 0 8 0
amappl1 72 13995 0 13594 24 7 17 17 0 8 8
amappl 80 467 0 441 1 0 1 1 0 84 0
dma4096 4096 1 0 1 1 1 0 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 64 1 0 0 1 0 1 1 0 8 0
uaddrrnd 24 247 0 234 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 247 0 234 1 0 1 1 0 8 0
vmmpekpl 168 6233 0 6213 2 0 2 2 0 8 1
vmmpepl 168 31066 0 30178 85 16 69 69 0 357 30
vmsppl 272 246 0 234 1 0 1 1 0 8 0
pdppl 4096 500 0 468 5 0 5 5 0 8 0
pvpl 32 110025 0 106193 108 6 102 102 0 265 70
pmappl 200 246 0 234 1 0 1 1 0 8 0
extentpl 40 53 0 36 1 0 1 1 0 8 0
phpool 112 216 0 7 6 0 6 6 0 8 0
ddb> machine ddbcpu 0
No such command
ddb> trace
db_read_bytes(ffffffff00000000,1,ffff80001d779ce4) at db_read_bytes+0xe3 sys/arch/amd64/amd64/db_memrw.c:85
db_get_value(ffffffff00000000,1,0) at db_get_value+0x60 sys/ddb/db_access.c:59
db_disasm(ffffffff00000000,0) at db_disasm+0x8f
db_trap(6,0) at db_trap+0x12e sys/ddb/db_trap.c:71
db_ktrap(6,0,ffff80001d779f70) at db_ktrap+0x1b6 sys/arch/amd64/amd64/db_interface.c:149
kerntrap(ffff80001d779f70) at kerntrap+0x129 sys/arch/amd64/amd64/trap.c:293
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
end trace frame: 0x0, count: -7
ddb> machine ddbcpu 1
No such command
ddb> trace
db_read_bytes(ffffffff00000000,1,ffff80001d779ce4) at db_read_bytes+0xe3 sys/arch/amd64/amd64/db_memrw.c:85
db_get_value(ffffffff00000000,1,0) at db_get_value+0x60 sys/ddb/db_access.c:59
db_disasm(ffffffff00000000,0) at db_disasm+0x8f
db_trap(6,0) at db_trap+0x12e sys/ddb/db_trap.c:71
db_ktrap(6,0,ffff80001d779f70) at db_ktrap+0x1b6 sys/arch/amd64/amd64/db_interface.c:149
kerntrap(ffff80001d779f70) at kerntrap+0x129 sys/arch/amd64/amd64/trap.c:293
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
end trace frame: 0x0, count: -7
ddb>
---
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