kernel: integer divide fault trap, code=NUM (2)
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syzbot
Feb 5, 2022, 4:38:19 PM2/5/22
to syzkaller-o...@googlegroups.com
Hello,
syzbot found the following issue on:
HEAD commit: b807ad8bb125 make bpf_movein align the packet payload.
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=1652e294700000
kernel config: https://syzkaller.appspot.com/x/.config?x=fe55924c11e64b0a
dashboard link: https://syzkaller.appspot.com/bug?extid=e720e3bab51366d7b667
Unfortunately, I don't have any reproducer for this issue yet.
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+e720e3...@syzkaller.appspotmail.com
kernel: integer divide fault trap, code=0
Stopped at pf_purge+0x1e: divl __kernel_phys_base+0x2dc16c,%eax
ddb>
ddb> set $lines = 0
ddb> set $maxwidth = 0
ddb> show panic
the kernel did not panic
ddb> trace
pf_purge(ffffffff829ab6c0) at pf_purge+0x1e sys/net/pf.c:1302
taskq_thread(ffffffff828e01c0) at taskq_thread+0x9b sys/kern/kern_task.c:449
end trace frame: 0x0, count: -2
ddb> show registers
rdi 0xffffffff829ab6c0 pf_npurge
rsi 0
rbp 0xffff80002159ab80
rbx 0
rdx 0
rcx 0xffffffff829ab6c0 pf_npurge
rax 0x1
r8 0
r9 0
r10 0x4650cce22cc0a1dc
r11 0x5c046bfa7bfb51b2
r12 0xffff80002159ab90
r13 0xffff8000216267f0
r14 0xffffffff829ab6c0 pf_npurge
r15 0xffff80002159abc0
rip 0xffffffff816d2bae pf_purge+0x1e
cs 0x8
rflags 0x10246 __ALIGN_SIZE+0xf246
rsp 0xffff80002159ab50
ss 0x10
pf_purge+0x1e: divl __kernel_phys_base+0x2dc16c,%eax
ddb> show proc
PROC (systq) pid=128217 stat=onproc
flags process=14000<NOZOMBIE,SYSTEM> proc=200<SYSTEM>
pri=50, usrpri=51, nice=20
forw=0xffffffffffffffff, list=0xffff8000ffffe000,0xffff8000ffffe550
process=0xffff8000ffffc7d0 user=0xffff800021595000, vmspace=0xffffffff829a27b0
estcpu=1, cpticks=1, pctcpu=0.0
user=0, sys=1, intr=0
ddb> ps
PID TID PPID UID S FLAGS WAIT COMMAND
32325 233804 72023 0 2 0 syz-executor.3
32325 277112 72023 0 3 0x4000080 fsleep syz-executor.3
21582 87633 62353 60929 2 0x10 syz-executor.0
21582 127335 62353 60929 2 0x4000010 syz-executor.0
21582 233319 62353 60929 3 0x4000090 fsleep syz-executor.0
92848 409118 28161 0 2 0 syz-executor.1
92848 223060 28161 0 3 0x4000080 fsleep syz-executor.1
11931 147811 64352 0 2 0 syz-executor.5
11931 103598 64352 0 2 0x4000000 syz-executor.5
79468 350814 33986 0 2 0 syz-executor.2
79468 254995 33986 0 3 0x4000080 fsleep syz-executor.2
1893 314910 76787 0 2 0 syz-executor.6
1893 263600 76787 0 3 0x4000080 netcon2 syz-executor.6
1893 277751 76787 0 3 0x4000080 netcon syz-executor.6
72023 243573 63049 0 2 0x482 syz-executor.3
33986 170060 63049 0 2 0x482 syz-executor.2
46051 65638 63049 0 2 0x2 syz-executor.4
76787 265629 63049 0 2 0x482 syz-executor.6
28161 101507 63049 0 2 0x482 syz-executor.1
62353 421925 63049 0 2 0x482 syz-executor.0
41554 408028 63049 0 2 0x482 syz-executor.7
87501 374766 1 0 3 0x100083 ttyin getty
48327 453903 0 0 3 0x14280 nfsidl nfsio
60504 151992 0 0 3 0x14280 nfsidl nfsio
68315 165012 0 0 3 0x14280 nfsidl nfsio
3966 232915 0 0 3 0x14280 nfsidl nfsio
8179 323658 0 0 3 0x14280 nfsidl nfsio
53829 102180 0 0 3 0x14280 nfsidl nfsio
80273 104260 0 0 3 0x14280 nfsidl nfsio
722 474092 0 0 3 0x14280 nfsidl nfsio
23052 425889 0 0 3 0x14280 nfsidl nfsio
88637 474847 0 0 3 0x14280 nfsidl nfsio
51235 27803 0 0 3 0x14280 nfsidl nfsio
52519 396314 0 0 3 0x14280 nfsidl nfsio
1445 516181 0 0 3 0x14280 nfsidl nfsio
2351 434098 0 0 3 0x14280 nfsidl nfsio
14784 252613 0 0 3 0x14280 nfsidl nfsio
66670 343524 0 0 3 0x14280 nfsidl nfsio
45222 312733 0 0 3 0x14280 nfsidl nfsio
39170 228135 0 0 3 0x14280 nfsidl nfsio
31435 433237 0 0 3 0x14280 nfsidl nfsio
78198 151527 0 0 3 0x14280 nfsidl nfsio
9524 269434 0 0 3 0x14200 acct acct
32620 405687 0 0 3 0x14200 bored sosplice
64352 357994 63049 0 2 0x482 syz-executor.5
63049 398637 73322 0 3 0x82 thrsleep syz-fuzzer
63049 130179 73322 0 3 0x4000082 nanoslp syz-fuzzer
63049 9491 73322 0 3 0x4000082 thrsleep syz-fuzzer
63049 174977 73322 0 3 0x4000082 thrsleep syz-fuzzer
63049 159651 73322 0 2 0x4000482 syz-fuzzer
63049 140685 73322 0 3 0x4000082 thrsleep syz-fuzzer
63049 82800 73322 0 3 0x4000082 thrsleep syz-fuzzer
63049 241033 73322 0 3 0x4000082 thrsleep syz-fuzzer
73322 458338 96265 0 3 0x10008a sigsusp ksh
96265 222484 1394 0 3 0x9a poll sshd
1394 453936 1 0 3 0x88 poll sshd
29968 420935 67695 73 3 0x100090 kqread syslogd
67695 283847 1 0 3 0x100082 netio syslogd
74959 379257 1 0 3 0x100080 kqread resolvd
93123 315432 82845 77 3 0x100092 kqread dhcpleased
93766 205541 82845 77 3 0x100092 kqread dhcpleased
82845 268878 1 0 3 0x80 kqread dhcpleased
56282 254632 0 0 3 0x14200 bored smr
86128 171230 0 0 2 0x14200 zerothread
36420 189443 0 0 3 0x14200 aiodoned aiodoned
80049 241846 0 0 3 0x14200 syncer update
54167 483180 0 0 3 0x14200 cleaner cleaner
2614 323534 0 0 3 0x14200 reaper reaper
14211 35110 0 0 3 0x14200 pgdaemon pagedaemon
15393 119437 0 0 3 0x14200 bored viomb
16174 516363 0 0 3 0x40014200 acpi0 acpi0
99873 82455 0 0 3 0x14200 bored softnet
41259 328829 0 0 3 0x14200 bored systqmp
*37665 128217 0 0 7 0x14200 systq
62308 429269 0 0 2 0x40014200 softclock
90705 330178 0 0 3 0x40014200 idle0
1 244385 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 10213 6449K 7972K 78643K 33620 0
pcb 13 16K 18K 78643K 2520 0
rtable 287 31K 31K 78643K 4136 0
ifaddr 114 28K 30K 78643K 1627 0
sysctl 2 0K 2K 78643K 6 0
counters 27 17K 17K 78643K 167 0
ioctlops 0 0K 4K 78643K 3402 0
iov 0 0K 32K 78643K 1264 0
mount 1 1K 1K 78643K 1 0
log 0 0K 0K 78643K 4 0
vnodes 1644 103K 103K 78643K 8256 0
UFS quota 1 32K 32K 78643K 1 0
UFS mount 5 36K 36K 78643K 5 0
shm 2 1K 9K 78643K 100 0
VM map 2 0K 0K 78643K 2 0
sem 12 0K 0K 78643K 1223 0
dirhash 12 2K 2K 78643K 12 0
ACPI 1697 195K 286K 78643K 12548 0
file desc 16 57K 77K 78643K 14314 0
sigio 0 0K 0K 78643K 228 0
proc 63 63K 79K 78643K 2268 0
subproc 104 6K 6K 78643K 728 0
NFS srvsock 1 0K 0K 78643K 1 0
NFS daemon 1 16K 16K 78643K 1 0
ip_moptions 0 0K 0K 78643K 536 0
in_multi 86 5K 7K 78643K 1053 0
ether_multi 1 0K 0K 78643K 157 0
mrt 1 0K 0K 78643K 53 0
ISOFS mount 1 32K 32K 78643K 1 0
MSDOSFS mount 1 16K 16K 78643K 1 0
ttys 253 1129K 1129K 78643K 253 0
exec 0 0K 2K 78643K 3729 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 7 26K 26K 78643K 7 0
UVM amap 450 536K 1174K 78643K 172590 0
UVM aobj 131 8K 8K 78643K 134 0
memdesc 1 4K 4K 78643K 1 0
crypto data 1 1K 1K 78643K 1 0
ip6_options 0 0K 0K 78643K 733 0
NDP 12 0K 1K 78643K 285 0
temp 143 4719K 4795K 78643K 68264 0
kqueue 10 14K 26K 78643K 520 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
rtpcb 120 1943 0 1939 22 21 1 3 0 8 0
rtentry 112 832 0 735 4 1 3 4 0 8 0
unpcb 136 7083 0 7068 88 80 8 9 0 8 7
syncache 296 186 0 186 8 8 0 1 0 8 0
tcpqe 32 57 0 57 2 2 0 1 0 8 0
tcpcb 736 15556 0 15544 378 368 10 28 0 8 8
arp 88 120 0 100 1 0 1 1 0 8 0
ipq 40 2 0 2 1 1 0 1 0 8 0
ipqe 40 38 0 38 1 1 0 1 0 8 0
inpcb 304 24003 0 23991 185 179 6 19 0 8 5
rttmr 72 9 0 9 3 3 0 1 0 8 0
nd6 48 203 0 180 1 0 1 1 0 8 0
pkpcb 40 33 0 33 7 7 0 1 0 8 0
kcovpl 48 56 0 48 1 0 1 1 0 8 0
ppxss 1152 52 0 52 8 8 0 1 0 8 0
pfstscr 40 55 0 54 8 7 1 1 0 8 0
pffrag 232 15 0 15 3 3 0 1 0 482 0
pffrnode 88 15 0 15 3 3 0 1 0 8 0
pffrent 40 178 0 178 3 3 0 1 0 8 0
pfosfp 40 11 0 8 1 0 1 1 0 8 0
pfosfpen 112 11 0 5 1 0 1 1 0 8 0
pfrke_plain 168 2 0 2 1 1 0 1 0 8 0
pfrktable 1344 426 0 395 11 8 3 4 0 8 0
pftag 88 66 0 53 2 1 1 1 0 8 0
pfqueue 264 7 0 0 1 0 1 1 0 8 0
pfstitem 24 22 0 20 5 4 1 1 0 8 0
pfstkey 112 90 0 88 8 7 1 1 0 8 0
pfstate 320 47 0 46 8 7 1 1 0 8 0
pfrule 1360 1214 0 802 36 1 35 35 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 3661 0 3255 50 23 27 31 0 8 0
art_table 32 3662 0 3255 4 0 4 4 0 8 0
art_node 16 764 0 676 1 0 1 1 0 8 0
sysvmsgpl 40 2 0 0 1 0 1 1 0 8 0
semapl 112 1221 0 1211 1 0 1 1 0 8 0
shmpl 112 131 0 3 4 0 4 4 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 18940 0 17465 93 0 93 93 0 8 0
ffsino 240 18940 0 17465 87 0 87 87 0 8 0
nchpl 144 36770 0 35147 62 0 62 62 0 8 0
rtmask 32 4 0 4 1 1 0 1 0 8 0
uvmvnodes 80 5926 0 0 121 0 121 121 0 8 0
vnodes 224 5926 0 0 349 0 349 349 0 8 0
namei 1024 126372 0 126370 6 5 1 2 0 8 0
vcpupl 1984 33 0 0 5 0 5 5 0 8 0
vmpool 528 48 0 15 3 0 3 3 0 8 0
pfiaddrpl 120 205 0 115 6 3 3 3 0 8 0
scsiplug 72 3 0 3 1 1 0 1 0 8 0
scxspl 216 107193 0 107193 27 26 1 8 0 8 1
plimitpl 152 1068 0 1054 1 0 1 1 0 8 0
sigapl 424 14529 0 14467 9 1 8 8 0 8 0
futexpl 64 125159 0 125155 4 3 1 1 0 8 0
knotepl 112 5249 0 5174 3 0 3 3 0 8 0
kqueuepl 184 2709 0 2696 31 30 1 4 0 8 0
pipepl 304 2341 0 2313 57 54 3 11 0 8 0
fdescpl 432 14494 0 14467 7 3 4 4 0 8 0
filepl 120 95748 0 95503 126 112 14 16 0 8 5
lockfpl 104 2414 0 2412 3 2 1 2 0 8 0
lockfspl 48 747 0 745 1 0 1 1 0 8 0
sessionpl 144 75 0 59 1 0 1 1 0 8 0
pgrppl 48 78 0 62 1 0 1 1 0 8 0
ucredpl 96 9537 0 9519 1 0 1 1 0 8 0
zombiepl 144 14467 0 14466 1 0 1 1 0 8 0
processpl 1000 14529 0 14466 11 2 9 9 0 8 0
procpl 672 35029 0 34951 30 22 8 8 0 8 0
sosppl 168 81 0 81 21 21 0 1 0 8 0
sockpl 448 33082 0 33051 472 447 25 30 0 8 21
mcl64k 65536 555 0 555 26 25 1 1 0 8 1
mcl16k 16384 126 0 126 18 17 1 1 0 8 1
mcl12k 12288 406 0 406 25 25 0 1 0 8 0
mcl9k 9216 276 0 276 31 30 1 1 0 8 1
mcl8k 8192 989 0 989 23 22 1 1 0 8 1
mcl4k 4096 1434 0 1434 11 10 1 1 0 8 1
mcl2k2 2112 81 0 81 30 29 1 1 0 8 1
mcl2k 2048 114410 0 114340 58 47 11 25 0 8 0
mtagpl 96 4801 0 4165 46 27 19 20 0 8 0
mbufpl 256 280994 0 280185 142 84 58 64 0 8 0
bufpl 288 25633 0 19225 459 0 459 459 0 8 0
anonpl 24 3891220 0 3871282 240 105 135 152 0 188 5
amapchunkpl 152 548437 0 547622 2366 2175 191 661 0 158 157
amappl16 200 37507 0 36779 133 94 39 52 0 8 0
amappl15 192 1911 0 1906 1 0 1 1 0 8 0
amappl14 184 713 0 708 1 0 1 1 0 8 0
amappl13 176 1141 0 1134 1 0 1 1 0 8 0
amappl12 168 2151 0 2145 1 0 1 1 0 8 0
amappl11 160 3508 0 3494 1 0 1 1 0 8 0
amappl10 152 1376 0 1369 1 0 1 1 0 8 0
amappl9 144 2024 0 2020 1 0 1 1 0 8 0
amappl8 136 4391 0 4284 5 1 4 4 0 8 0
amappl7 128 3002 0 2990 1 0 1 1 0 8 0
amappl6 120 1910 0 1885 2 1 1 2 0 8 0
amappl5 112 11867 0 11851 1 0 1 1 0 8 0
amappl4 104 6694 0 6658 2 0 2 2 0 8 0
amappl3 96 3813 0 3797 1 0 1 1 0 8 0
amappl2 88 4171 0 4111 3 1 2 3 0 8 0
amappl1 80 251577 0 251012 19 6 13 18 0 8 0
amappl 88 171078 0 170805 7 0 7 7 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 72 133 0 3 3 0 3 3 0 8 0
uaddrrnd 24 14542 0 14482 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 14542 0 14482 1 0 1 1 0 8 0
vmmpekpl 168 92887 0 92823 5 1 4 4 0 8 0
vmmpepl 168 1312554 0 1309815 353 199 154 161 0 357 25
vmsppl 272 14541 0 14482 6 1 5 5 0 8 0
rwobjpl 24 302871 0 295055 50 1 49 49 0 8 0
pdppl 4096 29090 0 28997 761 664 97 99 0 8 4
pvpl 32 6452930 0 6429866 440 226 214 242 0 265 16
pmappl 216 14541 0 14482 4 0 4 4 0 8 0
extentpl 40 58 0 38 1 0 1 1 0 8 0
phpool 112 2633 0 1716 27 0 27 27 0 8 0
ddb> machine ddbcpu 0
No such command
ddb> trace
pf_purge(ffffffff829ab6c0) at pf_purge+0x1e sys/net/pf.c:1302
taskq_thread(ffffffff828e01c0) at taskq_thread+0x9b sys/kern/kern_task.c:449
end trace frame: 0x0, count: -2
ddb> machine ddbcpu 1
No such command
ddb> trace
pf_purge(ffffffff829ab6c0) at pf_purge+0x1e sys/net/pf.c:1302
taskq_thread(ffffffff828e01c0) at taskq_thread+0x9b sys/kern/kern_task.c:449
end trace frame: 0x0, count: -2
---
This report 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 issue. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
syzbot found the following issue on:
HEAD commit: b807ad8bb125 make bpf_movein align the packet payload.
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=1652e294700000
kernel config: https://syzkaller.appspot.com/x/.config?x=fe55924c11e64b0a
dashboard link: https://syzkaller.appspot.com/bug?extid=e720e3bab51366d7b667
Unfortunately, I don't have any reproducer for this issue yet.
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+e720e3...@syzkaller.appspotmail.com
kernel: integer divide fault trap, code=0
Stopped at pf_purge+0x1e: divl __kernel_phys_base+0x2dc16c,%eax
ddb>
ddb> set $lines = 0
ddb> set $maxwidth = 0
ddb> show panic
the kernel did not panic
ddb> trace
pf_purge(ffffffff829ab6c0) at pf_purge+0x1e sys/net/pf.c:1302
taskq_thread(ffffffff828e01c0) at taskq_thread+0x9b sys/kern/kern_task.c:449
end trace frame: 0x0, count: -2
ddb> show registers
rdi 0xffffffff829ab6c0 pf_npurge
rsi 0
rbp 0xffff80002159ab80
rbx 0
rdx 0
rcx 0xffffffff829ab6c0 pf_npurge
rax 0x1
r8 0
r9 0
r10 0x4650cce22cc0a1dc
r11 0x5c046bfa7bfb51b2
r12 0xffff80002159ab90
r13 0xffff8000216267f0
r14 0xffffffff829ab6c0 pf_npurge
r15 0xffff80002159abc0
rip 0xffffffff816d2bae pf_purge+0x1e
cs 0x8
rflags 0x10246 __ALIGN_SIZE+0xf246
rsp 0xffff80002159ab50
ss 0x10
pf_purge+0x1e: divl __kernel_phys_base+0x2dc16c,%eax
ddb> show proc
PROC (systq) pid=128217 stat=onproc
flags process=14000<NOZOMBIE,SYSTEM> proc=200<SYSTEM>
pri=50, usrpri=51, nice=20
forw=0xffffffffffffffff, list=0xffff8000ffffe000,0xffff8000ffffe550
process=0xffff8000ffffc7d0 user=0xffff800021595000, vmspace=0xffffffff829a27b0
estcpu=1, cpticks=1, pctcpu=0.0
user=0, sys=1, intr=0
ddb> ps
PID TID PPID UID S FLAGS WAIT COMMAND
32325 233804 72023 0 2 0 syz-executor.3
32325 277112 72023 0 3 0x4000080 fsleep syz-executor.3
21582 87633 62353 60929 2 0x10 syz-executor.0
21582 127335 62353 60929 2 0x4000010 syz-executor.0
21582 233319 62353 60929 3 0x4000090 fsleep syz-executor.0
92848 409118 28161 0 2 0 syz-executor.1
92848 223060 28161 0 3 0x4000080 fsleep syz-executor.1
11931 147811 64352 0 2 0 syz-executor.5
11931 103598 64352 0 2 0x4000000 syz-executor.5
79468 350814 33986 0 2 0 syz-executor.2
79468 254995 33986 0 3 0x4000080 fsleep syz-executor.2
1893 314910 76787 0 2 0 syz-executor.6
1893 263600 76787 0 3 0x4000080 netcon2 syz-executor.6
1893 277751 76787 0 3 0x4000080 netcon syz-executor.6
72023 243573 63049 0 2 0x482 syz-executor.3
33986 170060 63049 0 2 0x482 syz-executor.2
46051 65638 63049 0 2 0x2 syz-executor.4
76787 265629 63049 0 2 0x482 syz-executor.6
28161 101507 63049 0 2 0x482 syz-executor.1
62353 421925 63049 0 2 0x482 syz-executor.0
41554 408028 63049 0 2 0x482 syz-executor.7
87501 374766 1 0 3 0x100083 ttyin getty
48327 453903 0 0 3 0x14280 nfsidl nfsio
60504 151992 0 0 3 0x14280 nfsidl nfsio
68315 165012 0 0 3 0x14280 nfsidl nfsio
3966 232915 0 0 3 0x14280 nfsidl nfsio
8179 323658 0 0 3 0x14280 nfsidl nfsio
53829 102180 0 0 3 0x14280 nfsidl nfsio
80273 104260 0 0 3 0x14280 nfsidl nfsio
722 474092 0 0 3 0x14280 nfsidl nfsio
23052 425889 0 0 3 0x14280 nfsidl nfsio
88637 474847 0 0 3 0x14280 nfsidl nfsio
51235 27803 0 0 3 0x14280 nfsidl nfsio
52519 396314 0 0 3 0x14280 nfsidl nfsio
1445 516181 0 0 3 0x14280 nfsidl nfsio
2351 434098 0 0 3 0x14280 nfsidl nfsio
14784 252613 0 0 3 0x14280 nfsidl nfsio
66670 343524 0 0 3 0x14280 nfsidl nfsio
45222 312733 0 0 3 0x14280 nfsidl nfsio
39170 228135 0 0 3 0x14280 nfsidl nfsio
31435 433237 0 0 3 0x14280 nfsidl nfsio
78198 151527 0 0 3 0x14280 nfsidl nfsio
9524 269434 0 0 3 0x14200 acct acct
32620 405687 0 0 3 0x14200 bored sosplice
64352 357994 63049 0 2 0x482 syz-executor.5
63049 398637 73322 0 3 0x82 thrsleep syz-fuzzer
63049 130179 73322 0 3 0x4000082 nanoslp syz-fuzzer
63049 9491 73322 0 3 0x4000082 thrsleep syz-fuzzer
63049 174977 73322 0 3 0x4000082 thrsleep syz-fuzzer
63049 159651 73322 0 2 0x4000482 syz-fuzzer
63049 140685 73322 0 3 0x4000082 thrsleep syz-fuzzer
63049 82800 73322 0 3 0x4000082 thrsleep syz-fuzzer
63049 241033 73322 0 3 0x4000082 thrsleep syz-fuzzer
73322 458338 96265 0 3 0x10008a sigsusp ksh
96265 222484 1394 0 3 0x9a poll sshd
1394 453936 1 0 3 0x88 poll sshd
29968 420935 67695 73 3 0x100090 kqread syslogd
67695 283847 1 0 3 0x100082 netio syslogd
74959 379257 1 0 3 0x100080 kqread resolvd
93123 315432 82845 77 3 0x100092 kqread dhcpleased
93766 205541 82845 77 3 0x100092 kqread dhcpleased
82845 268878 1 0 3 0x80 kqread dhcpleased
56282 254632 0 0 3 0x14200 bored smr
86128 171230 0 0 2 0x14200 zerothread
36420 189443 0 0 3 0x14200 aiodoned aiodoned
80049 241846 0 0 3 0x14200 syncer update
54167 483180 0 0 3 0x14200 cleaner cleaner
2614 323534 0 0 3 0x14200 reaper reaper
14211 35110 0 0 3 0x14200 pgdaemon pagedaemon
15393 119437 0 0 3 0x14200 bored viomb
16174 516363 0 0 3 0x40014200 acpi0 acpi0
99873 82455 0 0 3 0x14200 bored softnet
41259 328829 0 0 3 0x14200 bored systqmp
*37665 128217 0 0 7 0x14200 systq
62308 429269 0 0 2 0x40014200 softclock
90705 330178 0 0 3 0x40014200 idle0
1 244385 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 10213 6449K 7972K 78643K 33620 0
pcb 13 16K 18K 78643K 2520 0
rtable 287 31K 31K 78643K 4136 0
ifaddr 114 28K 30K 78643K 1627 0
sysctl 2 0K 2K 78643K 6 0
counters 27 17K 17K 78643K 167 0
ioctlops 0 0K 4K 78643K 3402 0
iov 0 0K 32K 78643K 1264 0
mount 1 1K 1K 78643K 1 0
log 0 0K 0K 78643K 4 0
vnodes 1644 103K 103K 78643K 8256 0
UFS quota 1 32K 32K 78643K 1 0
UFS mount 5 36K 36K 78643K 5 0
shm 2 1K 9K 78643K 100 0
VM map 2 0K 0K 78643K 2 0
sem 12 0K 0K 78643K 1223 0
dirhash 12 2K 2K 78643K 12 0
ACPI 1697 195K 286K 78643K 12548 0
file desc 16 57K 77K 78643K 14314 0
sigio 0 0K 0K 78643K 228 0
proc 63 63K 79K 78643K 2268 0
subproc 104 6K 6K 78643K 728 0
NFS srvsock 1 0K 0K 78643K 1 0
NFS daemon 1 16K 16K 78643K 1 0
ip_moptions 0 0K 0K 78643K 536 0
in_multi 86 5K 7K 78643K 1053 0
ether_multi 1 0K 0K 78643K 157 0
mrt 1 0K 0K 78643K 53 0
ISOFS mount 1 32K 32K 78643K 1 0
MSDOSFS mount 1 16K 16K 78643K 1 0
ttys 253 1129K 1129K 78643K 253 0
exec 0 0K 2K 78643K 3729 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 7 26K 26K 78643K 7 0
UVM amap 450 536K 1174K 78643K 172590 0
UVM aobj 131 8K 8K 78643K 134 0
memdesc 1 4K 4K 78643K 1 0
crypto data 1 1K 1K 78643K 1 0
ip6_options 0 0K 0K 78643K 733 0
NDP 12 0K 1K 78643K 285 0
temp 143 4719K 4795K 78643K 68264 0
kqueue 10 14K 26K 78643K 520 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
rtpcb 120 1943 0 1939 22 21 1 3 0 8 0
rtentry 112 832 0 735 4 1 3 4 0 8 0
unpcb 136 7083 0 7068 88 80 8 9 0 8 7
syncache 296 186 0 186 8 8 0 1 0 8 0
tcpqe 32 57 0 57 2 2 0 1 0 8 0
tcpcb 736 15556 0 15544 378 368 10 28 0 8 8
arp 88 120 0 100 1 0 1 1 0 8 0
ipq 40 2 0 2 1 1 0 1 0 8 0
ipqe 40 38 0 38 1 1 0 1 0 8 0
inpcb 304 24003 0 23991 185 179 6 19 0 8 5
rttmr 72 9 0 9 3 3 0 1 0 8 0
nd6 48 203 0 180 1 0 1 1 0 8 0
pkpcb 40 33 0 33 7 7 0 1 0 8 0
kcovpl 48 56 0 48 1 0 1 1 0 8 0
ppxss 1152 52 0 52 8 8 0 1 0 8 0
pfstscr 40 55 0 54 8 7 1 1 0 8 0
pffrag 232 15 0 15 3 3 0 1 0 482 0
pffrnode 88 15 0 15 3 3 0 1 0 8 0
pffrent 40 178 0 178 3 3 0 1 0 8 0
pfosfp 40 11 0 8 1 0 1 1 0 8 0
pfosfpen 112 11 0 5 1 0 1 1 0 8 0
pfrke_plain 168 2 0 2 1 1 0 1 0 8 0
pfrktable 1344 426 0 395 11 8 3 4 0 8 0
pftag 88 66 0 53 2 1 1 1 0 8 0
pfqueue 264 7 0 0 1 0 1 1 0 8 0
pfstitem 24 22 0 20 5 4 1 1 0 8 0
pfstkey 112 90 0 88 8 7 1 1 0 8 0
pfstate 320 47 0 46 8 7 1 1 0 8 0
pfrule 1360 1214 0 802 36 1 35 35 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 3661 0 3255 50 23 27 31 0 8 0
art_table 32 3662 0 3255 4 0 4 4 0 8 0
art_node 16 764 0 676 1 0 1 1 0 8 0
sysvmsgpl 40 2 0 0 1 0 1 1 0 8 0
semapl 112 1221 0 1211 1 0 1 1 0 8 0
shmpl 112 131 0 3 4 0 4 4 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 18940 0 17465 93 0 93 93 0 8 0
ffsino 240 18940 0 17465 87 0 87 87 0 8 0
nchpl 144 36770 0 35147 62 0 62 62 0 8 0
rtmask 32 4 0 4 1 1 0 1 0 8 0
uvmvnodes 80 5926 0 0 121 0 121 121 0 8 0
vnodes 224 5926 0 0 349 0 349 349 0 8 0
namei 1024 126372 0 126370 6 5 1 2 0 8 0
vcpupl 1984 33 0 0 5 0 5 5 0 8 0
vmpool 528 48 0 15 3 0 3 3 0 8 0
pfiaddrpl 120 205 0 115 6 3 3 3 0 8 0
scsiplug 72 3 0 3 1 1 0 1 0 8 0
scxspl 216 107193 0 107193 27 26 1 8 0 8 1
plimitpl 152 1068 0 1054 1 0 1 1 0 8 0
sigapl 424 14529 0 14467 9 1 8 8 0 8 0
futexpl 64 125159 0 125155 4 3 1 1 0 8 0
knotepl 112 5249 0 5174 3 0 3 3 0 8 0
kqueuepl 184 2709 0 2696 31 30 1 4 0 8 0
pipepl 304 2341 0 2313 57 54 3 11 0 8 0
fdescpl 432 14494 0 14467 7 3 4 4 0 8 0
filepl 120 95748 0 95503 126 112 14 16 0 8 5
lockfpl 104 2414 0 2412 3 2 1 2 0 8 0
lockfspl 48 747 0 745 1 0 1 1 0 8 0
sessionpl 144 75 0 59 1 0 1 1 0 8 0
pgrppl 48 78 0 62 1 0 1 1 0 8 0
ucredpl 96 9537 0 9519 1 0 1 1 0 8 0
zombiepl 144 14467 0 14466 1 0 1 1 0 8 0
processpl 1000 14529 0 14466 11 2 9 9 0 8 0
procpl 672 35029 0 34951 30 22 8 8 0 8 0
sosppl 168 81 0 81 21 21 0 1 0 8 0
sockpl 448 33082 0 33051 472 447 25 30 0 8 21
mcl64k 65536 555 0 555 26 25 1 1 0 8 1
mcl16k 16384 126 0 126 18 17 1 1 0 8 1
mcl12k 12288 406 0 406 25 25 0 1 0 8 0
mcl9k 9216 276 0 276 31 30 1 1 0 8 1
mcl8k 8192 989 0 989 23 22 1 1 0 8 1
mcl4k 4096 1434 0 1434 11 10 1 1 0 8 1
mcl2k2 2112 81 0 81 30 29 1 1 0 8 1
mcl2k 2048 114410 0 114340 58 47 11 25 0 8 0
mtagpl 96 4801 0 4165 46 27 19 20 0 8 0
mbufpl 256 280994 0 280185 142 84 58 64 0 8 0
bufpl 288 25633 0 19225 459 0 459 459 0 8 0
anonpl 24 3891220 0 3871282 240 105 135 152 0 188 5
amapchunkpl 152 548437 0 547622 2366 2175 191 661 0 158 157
amappl16 200 37507 0 36779 133 94 39 52 0 8 0
amappl15 192 1911 0 1906 1 0 1 1 0 8 0
amappl14 184 713 0 708 1 0 1 1 0 8 0
amappl13 176 1141 0 1134 1 0 1 1 0 8 0
amappl12 168 2151 0 2145 1 0 1 1 0 8 0
amappl11 160 3508 0 3494 1 0 1 1 0 8 0
amappl10 152 1376 0 1369 1 0 1 1 0 8 0
amappl9 144 2024 0 2020 1 0 1 1 0 8 0
amappl8 136 4391 0 4284 5 1 4 4 0 8 0
amappl7 128 3002 0 2990 1 0 1 1 0 8 0
amappl6 120 1910 0 1885 2 1 1 2 0 8 0
amappl5 112 11867 0 11851 1 0 1 1 0 8 0
amappl4 104 6694 0 6658 2 0 2 2 0 8 0
amappl3 96 3813 0 3797 1 0 1 1 0 8 0
amappl2 88 4171 0 4111 3 1 2 3 0 8 0
amappl1 80 251577 0 251012 19 6 13 18 0 8 0
amappl 88 171078 0 170805 7 0 7 7 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 72 133 0 3 3 0 3 3 0 8 0
uaddrrnd 24 14542 0 14482 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 14542 0 14482 1 0 1 1 0 8 0
vmmpekpl 168 92887 0 92823 5 1 4 4 0 8 0
vmmpepl 168 1312554 0 1309815 353 199 154 161 0 357 25
vmsppl 272 14541 0 14482 6 1 5 5 0 8 0
rwobjpl 24 302871 0 295055 50 1 49 49 0 8 0
pdppl 4096 29090 0 28997 761 664 97 99 0 8 4
pvpl 32 6452930 0 6429866 440 226 214 242 0 265 16
pmappl 216 14541 0 14482 4 0 4 4 0 8 0
extentpl 40 58 0 38 1 0 1 1 0 8 0
phpool 112 2633 0 1716 27 0 27 27 0 8 0
ddb> machine ddbcpu 0
No such command
ddb> trace
pf_purge(ffffffff829ab6c0) at pf_purge+0x1e sys/net/pf.c:1302
taskq_thread(ffffffff828e01c0) at taskq_thread+0x9b sys/kern/kern_task.c:449
end trace frame: 0x0, count: -2
ddb> machine ddbcpu 1
No such command
ddb> trace
pf_purge(ffffffff829ab6c0) at pf_purge+0x1e sys/net/pf.c:1302
taskq_thread(ffffffff828e01c0) at taskq_thread+0x9b sys/kern/kern_task.c:449
end trace frame: 0x0, count: -2
---
This report 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.
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https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
syzbot
Feb 8, 2022, 10:20:24 AM2/8/22
to syzkaller-o...@googlegroups.com
syzbot has found a reproducer for the following issue on:
HEAD commit: 07ec8e14730f Using FILL_KPROC() from sysctl.h after rev 1...
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=14e8b91c700000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=148e1b78700000
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+e720e3...@syzkaller.appspotmail.com
login: kernel: integer divide fault trap, code=0
Stopped at pf_purge+0x1e: divl __kernel_phys_base+0x50f7dc,%eax
taskq_thread(ffffffff829612f0) at taskq_thread+0x9b sys/kern/kern_task.c:449
rsi 0
rbp 0xffff80002159a070
rbx 0
rdx 0
rcx 0xffffffff829ef470 pf_npurge
rax 0
r8 0
r9 0
r10 0x7cce906471fec3c5
r11 0x2962acd8685eb6
r12 0xffff80002159a080
r13 0xffff8000ffffc7d0
r14 0xffffffff829ef470 pf_npurge
r15 0xffff80002159a0b0
rip 0xffffffff814e191e pf_purge+0x1e
ss 0x10
pf_purge+0x1e: divl __kernel_phys_base+0x50f7dc,%eax
ddb> show proc
PROC (systq) pid=486080 stat=onproc
forw=0xffffffffffffffff, list=0xffff8000ffffe540,0xffff8000ffffe2b0
process=0xffff8000ffffc3e8 user=0xffff800021595000, vmspace=0xffffffff82a8bd58
estcpu=0, cpticks=0, pctcpu=0.0
user=0, sys=0, intr=0
38841 194372 77240 0 3 0x10008a sigsusp ksh
77240 168887 41609 0 3 0x9a kqread sshd
9755 87800 1 0 3 0x100083 ttyin getty
41609 461799 1 0 3 0x88 kqread sshd
55987 370472 30480 73 3 0x100090 kqread syslogd
30480 102493 1 0 3 0x100082 netio syslogd
34264 139278 1 0 3 0x100080 kqread resolvd
99466 97466 1365 77 3 0x100092 kqread dhcpleased
14614 63462 1365 77 3 0x100092 kqread dhcpleased
1365 161371 1 0 3 0x80 kqread dhcpleased
18888 52477 0 0 3 0x14200 bored smr
16972 151089 0 0 3 0x14200 pgzero zerothread
42276 388180 0 0 3 0x14200 aiodoned aiodoned
40906 135911 0 0 3 0x14200 syncer update
29798 148818 0 0 3 0x14200 cleaner cleaner
28202 30188 0 0 3 0x14200 reaper reaper
81867 446175 0 0 3 0x14200 pgdaemon pagedaemon
68682 370391 0 0 3 0x14200 bored viomb
66486 319836 0 0 3 0x40014200 acpi0 acpi0
42179 327995 0 0 3 0x14200 bored softnet
90321 148530 0 0 3 0x14200 bored systqmp
*29397 486080 0 0 7 0x14200 systq
84887 244654 0 0 3 0x40014200 bored softclock
50063 502384 0 0 3 0x40014200 idle0
1 364530 0 0 3 0x82 wait init
pcb 13 8K 8K 78643K 13 0
rtable 62 2K 2K 78643K 108 0
ifaddr 24 7K 7K 78643K 24 0
counters 19 16K 16K 78643K 19 0
ioctlops 0 0K 2K 78643K 25 0
vnodes 1166 73K 73K 78643K 1179 0
proc 55 54K 55K 78643K 226 0
ether_multi 1 0K 0K 78643K 1 0
exec 0 0K 2K 78643K 391 0
UVM aobj 3 2K 2K 78643K 3 0
temp 19 4678K 4741K 78643K 3198 0
kqueue 11 16K 18K 78643K 24 0
rtentry 112 23 0 1 1 0 1 1 0 8 0
unpcb 136 33 0 20 1 0 1 1 0 8 0
syncache 296 5 0 5 1 0 1 1 0 8 1
tcpcb 736 8 0 5 1 0 1 1 0 8 0
arp 88 2 0 0 1 0 1 1 0 8 0
inpcb 304 25 0 19 1 0 1 1 0 8 0
art_table 32 97 0 0 1 0 1 1 0 8 0
art_node 16 22 0 2 1 0 1 1 0 8 0
ffsino 240 1415 0 38 81 0 81 81 0 8 0
nchpl 144 1590 0 47 58 0 58 58 0 8 0
uvmvnodes 80 1424 0 0 30 0 30 30 0 8 0
vnodes 224 1424 0 0 84 0 84 84 0 8 0
namei 1024 4231 0 4231 1 0 1 1 0 8 1
scxspl 216 3606 0 3606 3 1 2 2 0 8 2
plimitpl 152 15 0 9 1 0 1 1 0 8 0
sigapl 424 341 0 315 4 0 4 4 0 8 0
knotepl 120 6914 0 6884 2 0 2 2 0 8 1
kqueuepl 184 20 0 13 1 0 1 1 0 8 0
pipepl 304 79 0 76 1 0 1 1 0 8 0
fdescpl 432 328 0 315 2 0 2 2 0 8 0
filepl 120 1110 0 1057 2 0 2 2 0 8 0
lockfpl 104 6 0 4 1 0 1 1 0 8 0
lockfspl 48 4 0 2 1 0 1 1 0 8 0
sessionpl 144 17 0 9 1 0 1 1 0 8 0
pgrppl 48 17 0 9 1 0 1 1 0 8 0
ucredpl 96 64 0 54 1 0 1 1 0 8 0
zombiepl 144 315 0 314 1 0 1 1 0 8 0
processpl 1000 341 0 314 4 0 4 4 0 8 0
procpl 672 341 0 314 3 0 3 3 0 8 0
sockpl 448 75 0 53 3 0 3 3 0 8 0
mcl8k 8192 9 0 9 1 0 1 1 0 8 1
mcl4k 4096 5 0 5 1 0 1 1 0 8 1
mcl2k 2048 5661 0 5633 6 0 6 6 0 8 2
mtagpl 96 3 0 3 1 1 0 1 0 8 0
mbufpl 256 10466 0 10400 6 0 6 6 0 8 1
bufpl 288 1935 0 86 133 0 133 133 0 8 0
anonpl 24 38749 0 36701 15 1 14 15 0 188 1
amapchunkpl 152 3715 0 3590 7 1 6 7 0 158 0
amappl16 200 76 0 76 1 0 1 1 0 8 1
amappl15 192 59 0 56 1 0 1 1 0 8 0
amappl13 176 32 0 31 1 0 1 1 0 8 0
amappl12 168 15 0 15 1 0 1 1 0 8 1
amappl11 160 41 0 29 1 0 1 1 0 8 0
amappl10 152 5 0 5 1 0 1 1 0 8 1
amappl9 144 434 0 432 1 0 1 1 0 8 0
amappl8 136 340 0 337 1 0 1 1 0 8 0
amappl7 128 60 0 57 1 0 1 1 0 8 0
amappl6 120 106 0 93 1 0 1 1 0 8 0
amappl5 112 243 0 234 1 0 1 1 0 8 0
amappl4 104 579 0 559 1 0 1 1 0 8 0
amappl3 96 110 0 101 1 0 1 1 0 8 0
amappl2 88 337 0 301 1 0 1 1 0 8 0
amappl1 80 8226 0 7873 9 0 9 9 0 8 1
amappl 88 1653 0 1597 2 0 2 2 0 92 0
uaddrrnd 24 328 0 315 1 0 1 1 0 8 0
vmmpekpl 168 5976 0 5960 1 0 1 1 0 8 0
vmmpepl 168 25277 0 24514 38 0 38 38 0 357 1
vmsppl 272 327 0 315 2 1 1 2 0 8 0
rwobjpl 24 8931 0 6997 12 0 12 12 0 8 0
pdppl 4096 662 0 630 46 12 34 40 0 8 2
pvpl 32 124798 0 121012 35 0 35 35 0 265 3
pmappl 216 327 0 315 1 0 1 1 0 8 0
taskq_thread(ffffffff829612f0) at taskq_thread+0x9b sys/kern/kern_task.c:449
taskq_thread(ffffffff829612f0) at taskq_thread+0x9b sys/kern/kern_task.c:449
HEAD commit: 07ec8e14730f Using FILL_KPROC() from sysctl.h after rev 1...
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=14e8b91c700000
kernel config: https://syzkaller.appspot.com/x/.config?x=fe55924c11e64b0a
dashboard link: https://syzkaller.appspot.com/bug?extid=e720e3bab51366d7b667
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=15d1f8c2700000
dashboard link: https://syzkaller.appspot.com/bug?extid=e720e3bab51366d7b667
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=148e1b78700000
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+e720e3...@syzkaller.appspotmail.com
Stopped at pf_purge+0x1e: divl __kernel_phys_base+0x50f7dc,%eax
ddb>
ddb> set $lines = 0
ddb> set $maxwidth = 0
ddb> show panic
the kernel did not panic
ddb> trace
pf_purge(ffffffff829ef470) at pf_purge+0x1e sys/net/pf.c:1302
ddb> set $lines = 0
ddb> set $maxwidth = 0
ddb> show panic
the kernel did not panic
ddb> trace
taskq_thread(ffffffff829612f0) at taskq_thread+0x9b sys/kern/kern_task.c:449
end trace frame: 0x0, count: -2
ddb> show registers
rdi 0xffffffff829ef470 pf_npurge
ddb> show registers
rsi 0
rbp 0xffff80002159a070
rbx 0
rdx 0
rcx 0xffffffff829ef470 pf_npurge
rax 0
r8 0
r9 0
r10 0x7cce906471fec3c5
r11 0x2962acd8685eb6
r12 0xffff80002159a080
r13 0xffff8000ffffc7d0
r14 0xffffffff829ef470 pf_npurge
r15 0xffff80002159a0b0
rip 0xffffffff814e191e pf_purge+0x1e
cs 0x8
rflags 0x10246 __ALIGN_SIZE+0xf246
rsp 0xffff80002159a040
rflags 0x10246 __ALIGN_SIZE+0xf246
ss 0x10
pf_purge+0x1e: divl __kernel_phys_base+0x50f7dc,%eax
ddb> show proc
PROC (systq) pid=486080 stat=onproc
flags process=14000<NOZOMBIE,SYSTEM> proc=200<SYSTEM>
pri=32, usrpri=50, nice=20
forw=0xffffffffffffffff, list=0xffff8000ffffe540,0xffff8000ffffe2b0
process=0xffff8000ffffc3e8 user=0xffff800021595000, vmspace=0xffffffff82a8bd58
estcpu=0, cpticks=0, pctcpu=0.0
user=0, sys=0, intr=0
ddb> ps
PID TID PPID UID S FLAGS WAIT COMMAND
87640 512776 38841 0 2 0x482 syz-executor1508
PID TID PPID UID S FLAGS WAIT COMMAND
38841 194372 77240 0 3 0x10008a sigsusp ksh
77240 168887 41609 0 3 0x9a kqread sshd
9755 87800 1 0 3 0x100083 ttyin getty
41609 461799 1 0 3 0x88 kqread sshd
55987 370472 30480 73 3 0x100090 kqread syslogd
30480 102493 1 0 3 0x100082 netio syslogd
34264 139278 1 0 3 0x100080 kqread resolvd
99466 97466 1365 77 3 0x100092 kqread dhcpleased
14614 63462 1365 77 3 0x100092 kqread dhcpleased
1365 161371 1 0 3 0x80 kqread dhcpleased
18888 52477 0 0 3 0x14200 bored smr
16972 151089 0 0 3 0x14200 pgzero zerothread
42276 388180 0 0 3 0x14200 aiodoned aiodoned
40906 135911 0 0 3 0x14200 syncer update
29798 148818 0 0 3 0x14200 cleaner cleaner
28202 30188 0 0 3 0x14200 reaper reaper
81867 446175 0 0 3 0x14200 pgdaemon pagedaemon
68682 370391 0 0 3 0x14200 bored viomb
66486 319836 0 0 3 0x40014200 acpi0 acpi0
42179 327995 0 0 3 0x14200 bored softnet
90321 148530 0 0 3 0x14200 bored systqmp
*29397 486080 0 0 7 0x14200 systq
84887 244654 0 0 3 0x40014200 bored softclock
50063 502384 0 0 3 0x40014200 idle0
1 364530 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 10133 6381K 6412K 78643K 11223 0
ddb> show all locks
No such command
ddb> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
pcb 13 8K 8K 78643K 13 0
rtable 62 2K 2K 78643K 108 0
ifaddr 24 7K 7K 78643K 24 0
counters 19 16K 16K 78643K 19 0
ioctlops 0 0K 2K 78643K 25 0
mount 1 1K 1K 78643K 1 0
log 0 0K 0K 78643K 5 0
vnodes 1166 73K 73K 78643K 1179 0
UFS quota 1 32K 32K 78643K 1 0
UFS mount 5 36K 36K 78643K 5 0
shm 2 1K 1K 78643K 2 0
UFS mount 5 36K 36K 78643K 5 0
VM map 2 0K 0K 78643K 2 0
sem 2 0K 0K 78643K 2 0
dirhash 12 2K 2K 78643K 12 0
ACPI 1697 195K 286K 78643K 12548 0
file desc 1 0K 0K 78643K 1 0
ACPI 1697 195K 286K 78643K 12548 0
proc 55 54K 55K 78643K 226 0
NFS srvsock 1 0K 0K 78643K 1 0
NFS daemon 1 16K 16K 78643K 1 0
in_multi 11 0K 0K 78643K 11 0
NFS daemon 1 16K 16K 78643K 1 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 25 122K 122K 78643K 25 0
MSDOSFS mount 1 16K 16K 78643K 1 0
exec 0 0K 2K 78643K 391 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 7 26K 26K 78643K 7 0
UVM amap 71 3K 5K 78643K 1906 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 aobj 3 2K 2K 78643K 3 0
memdesc 1 4K 4K 78643K 1 0
crypto data 1 1K 1K 78643K 1 0
NDP 3 0K 0K 78643K 3 0
crypto data 1 1K 1K 78643K 1 0
temp 19 4678K 4741K 78643K 3198 0
kqueue 11 16K 18K 78643K 24 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
rtpcb 120 17 0 14 1 0 1 1 0 8 0
ddb> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
rtentry 112 23 0 1 1 0 1 1 0 8 0
unpcb 136 33 0 20 1 0 1 1 0 8 0
syncache 296 5 0 5 1 0 1 1 0 8 1
tcpcb 736 8 0 5 1 0 1 1 0 8 0
arp 88 2 0 0 1 0 1 1 0 8 0
inpcb 304 25 0 19 1 0 1 1 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 96 0 0 6 0 6 6 0 8 0
art_table 32 97 0 0 1 0 1 1 0 8 0
art_node 16 22 0 2 1 0 1 1 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 1415 0 38 87 0 87 87 0 8 0
ffsino 240 1415 0 38 81 0 81 81 0 8 0
nchpl 144 1590 0 47 58 0 58 58 0 8 0
uvmvnodes 80 1424 0 0 30 0 30 30 0 8 0
vnodes 224 1424 0 0 84 0 84 84 0 8 0
namei 1024 4231 0 4231 1 0 1 1 0 8 1
scxspl 216 3606 0 3606 3 1 2 2 0 8 2
plimitpl 152 15 0 9 1 0 1 1 0 8 0
sigapl 424 341 0 315 4 0 4 4 0 8 0
knotepl 120 6914 0 6884 2 0 2 2 0 8 1
kqueuepl 184 20 0 13 1 0 1 1 0 8 0
pipepl 304 79 0 76 1 0 1 1 0 8 0
fdescpl 432 328 0 315 2 0 2 2 0 8 0
filepl 120 1110 0 1057 2 0 2 2 0 8 0
lockfpl 104 6 0 4 1 0 1 1 0 8 0
lockfspl 48 4 0 2 1 0 1 1 0 8 0
sessionpl 144 17 0 9 1 0 1 1 0 8 0
pgrppl 48 17 0 9 1 0 1 1 0 8 0
ucredpl 96 64 0 54 1 0 1 1 0 8 0
zombiepl 144 315 0 314 1 0 1 1 0 8 0
processpl 1000 341 0 314 4 0 4 4 0 8 0
procpl 672 341 0 314 3 0 3 3 0 8 0
sockpl 448 75 0 53 3 0 3 3 0 8 0
mcl8k 8192 9 0 9 1 0 1 1 0 8 1
mcl4k 4096 5 0 5 1 0 1 1 0 8 1
mcl2k 2048 5661 0 5633 6 0 6 6 0 8 2
mtagpl 96 3 0 3 1 1 0 1 0 8 0
mbufpl 256 10466 0 10400 6 0 6 6 0 8 1
bufpl 288 1935 0 86 133 0 133 133 0 8 0
anonpl 24 38749 0 36701 15 1 14 15 0 188 1
amapchunkpl 152 3715 0 3590 7 1 6 7 0 158 0
amappl16 200 76 0 76 1 0 1 1 0 8 1
amappl15 192 59 0 56 1 0 1 1 0 8 0
amappl13 176 32 0 31 1 0 1 1 0 8 0
amappl12 168 15 0 15 1 0 1 1 0 8 1
amappl11 160 41 0 29 1 0 1 1 0 8 0
amappl10 152 5 0 5 1 0 1 1 0 8 1
amappl9 144 434 0 432 1 0 1 1 0 8 0
amappl8 136 340 0 337 1 0 1 1 0 8 0
amappl7 128 60 0 57 1 0 1 1 0 8 0
amappl6 120 106 0 93 1 0 1 1 0 8 0
amappl5 112 243 0 234 1 0 1 1 0 8 0
amappl4 104 579 0 559 1 0 1 1 0 8 0
amappl3 96 110 0 101 1 0 1 1 0 8 0
amappl2 88 337 0 301 1 0 1 1 0 8 0
amappl1 80 8226 0 7873 9 0 9 9 0 8 1
amappl 88 1653 0 1597 2 0 2 2 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 2 0 0 1 0 1 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
uaddrrnd 24 328 0 315 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 328 0 315 1 0 1 1 0 8 0
vmmpekpl 168 5976 0 5960 1 0 1 1 0 8 0
vmmpepl 168 25277 0 24514 38 0 38 38 0 357 1
vmsppl 272 327 0 315 2 1 1 2 0 8 0
rwobjpl 24 8931 0 6997 12 0 12 12 0 8 0
pdppl 4096 662 0 630 46 12 34 40 0 8 2
pvpl 32 124798 0 121012 35 0 35 35 0 265 3
pmappl 216 327 0 315 1 0 1 1 0 8 0
extentpl 40 58 0 38 1 0 1 1 0 8 0
phpool 112 381 0 15 11 0 11 11 0 8 0
ddb> machine ddbcpu 0
No such command
ddb> trace
pf_purge(ffffffff829ef470) at pf_purge+0x1e sys/net/pf.c:1302
No such command
ddb> trace
taskq_thread(ffffffff829612f0) at taskq_thread+0x9b sys/kern/kern_task.c:449
end trace frame: 0x0, count: -2
ddb> machine ddbcpu 1
No such command
ddb> trace
pf_purge(ffffffff829ef470) at pf_purge+0x1e sys/net/pf.c:1302
ddb> machine ddbcpu 1
No such command
ddb> trace
taskq_thread(ffffffff829612f0) at taskq_thread+0x9b sys/kern/kern_task.c:449
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