Re: KVM induced panic on 2.6.38[2367] & 2.6.39

Brad Campbell
2011-06-07T15:15:38Z

On 07/06/11 21:37, Eric Dumazet wrote:
> Le mardi 07 juin 2011 à 21:27 +0800, Brad Campbell a écrit :
>> On 07/06/11 04:22, Eric Dumazet wrote:
>>
>>> Could you please try latest linux-2.6 tree ?
>>>
>>> We fixed many networking bugs that could explain your crash.
>>>
>>>
>>>
>>>
>>
>> No good I'm afraid.
>>
>> [ 543.040056]
>> =============================================================================
>> [ 543.040136] BUG ip_dst_cache: Padding overwritten.
>> 0xffff8803e4217ffe-0xffff8803e4217fff
>> [ 543.040194]
>
> Thats pretty strange : These are the last two bytes of a page, set to
> 0x0000 (a 16 bit value)
>
> There is no way a dst field could actually sit on this location (its a
> padding), since a dst is a bit less than 256 bytes (0xe8), and each
> entry is aligned on a 64byte address.
>
> grep dst /proc/slabinfo
>
> ip_dst_cache 32823 62944 256 32 2 : tunables 0 0
> 0 : slabdata 1967 1967 0
>
> sizeof(struct rtable)=0xe8
>
>
>> -----------------------------------------------------------------------------
>> [ 543.040198]
>> [ 543.040298] INFO: Slab 0xffffea000d9e74d0 objects=25 used=25 fp=0x
>> (null) flags=0x8000000000004081
>> [ 543.040364] Pid: 4576, comm: kworker/1:2 Not tainted 3.0.0-rc2 #1
>> [ 543.040415] Call Trace:
>> [ 543.040472] [<ffffffff810b9c1d>] ? slab_err+0xad/0xd0
>> [ 543.040528] [<ffffffff8102e034>] ? check_preempt_wakeup+0xa4/0x160
>> [ 543.040595] [<ffffffff810ba206>] ? slab_pad_check+0x126/0x170
>> [ 543.040650] [<ffffffff8133045b>] ? dst_destroy+0x8b/0x110
>> [ 543.040701] [<ffffffff810ba29a>] ? check_slab+0x4a/0xc0
>> [ 543.040753] [<ffffffff810baf2d>] ? free_debug_processing+0x2d/0x250
>> [ 543.040808] [<ffffffff810bb27b>] ? __slab_free+0x12b/0x140
>> [ 543.040862] [<ffffffff810bbe99>] ? kmem_cache_free+0x99/0xa0
>> [ 543.040915] [<ffffffff8133045b>] ? dst_destroy+0x8b/0x110
>> [ 543.040967] [<ffffffff813307f6>] ? dst_gc_task+0x196/0x1f0
>> [ 543.041021] [<ffffffff8104e954>] ? queue_delayed_work_on+0x154/0x160
>> [ 543.041081] [<ffffffff813066fe>] ? do_dbs_timer+0x20e/0x3d0
>> [ 543.041133] [<ffffffff81330660>] ? dst_alloc+0x180/0x180
>> [ 543.041187] [<ffffffff8104f28b>] ? process_one_work+0xfb/0x3b0
>> [ 543.041242] [<ffffffff8104f964>] ? worker_thread+0x144/0x3d0
>> [ 543.041296] [<ffffffff8102cc10>] ? __wake_up_common+0x50/0x80
>> [ 543.041678] [<ffffffff8104f820>] ? rescuer_thread+0x2e0/0x2e0
>> [ 543.041729] [<ffffffff8104f820>] ? rescuer_thread+0x2e0/0x2e0
>> [ 543.041782] [<ffffffff81053436>] ? kthread+0x96/0xa0
>> [ 543.041835] [<ffffffff813e1d14>] ? kernel_thread_helper+0x4/0x10
>> [ 543.041890] [<ffffffff810533a0>] ? kthread_worker_fn+0x120/0x120
>> [ 543.041944] [<ffffffff813e1d10>] ? gs_change+0xb/0xb
>> [ 543.041993] Padding 0xffff8803e4217f40: 5a 5a 5a 5a 5a 5a 5a 5a 5a
>> 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
>> [ 543.042718] Padding 0xffff8803e4217f50: 5a 5a 5a 5a 5a 5a 5a 5a 5a
>> 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
>> [ 543.043433] Padding 0xffff8803e4217f60: 5a 5a 5a 5a 5a 5a 5a 5a 5a
>> 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
>> [ 543.044155] Padding 0xffff8803e4217f70: 5a 5a 5a 5a 5a 5a 5a 5a 5a
>> 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
>> [ 543.044866] Padding 0xffff8803e4217f80: 5a 5a 5a 5a 5a 5a 5a 5a 5a
>> 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
>> [ 543.045590] Padding 0xffff8803e4217f90: 5a 5a 5a 5a 5a 5a 5a 5a 5a
>> 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
>> [ 543.046311] Padding 0xffff8803e4217fa0: 5a 5a 5a 5a 5a 5a 5a 5a 5a
>> 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
>> [ 543.047034] Padding 0xffff8803e4217fb0: 5a 5a 5a 5a 5a 5a 5a 5a 5a
>> 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
>> [ 543.047755] Padding 0xffff8803e4217fc0: 5a 5a 5a 5a 5a 5a 5a 5a 5a
>> 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
>> [ 543.048474] Padding 0xffff8803e4217fd0: 5a 5a 5a 5a 5a 5a 5a 5a 5a
>> 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
>> [ 543.049203] Padding 0xffff8803e4217fe0: 5a 5a 5a 5a 5a 5a 5a 5a 5a
>> 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
>> [ 543.049909] Padding 0xffff8803e4217ff0: 5a 5a 5a 5a 5a 5a 5a 5a 5a
>> 5a 5a 5a 5a 5a 00 00 ZZZZZZZZZZZZZZ..
>> [ 543.050021] FIX ip_dst_cache: Restoring
>> 0xffff8803e4217f40-0xffff8803e4217fff=0x5a
>> [ 543.050021]
>>
>> Dropped -mm, Hugh and Andrea from CC as this does not appear to be mm or
>> ksm related.
>>
>> I'll pare down the firewall and see if I can make it break easier with a
>> smaller test set.
>
> Hmm, not sure now :(
>
> Could you reproduce another bug please ?

Here is the remainder of the log from that bug that I managed to scrape
off the disk. Odd as usually the netconsole dies and so does the disk
subsystem. In this case it managed to get the log to disk.

[ 543.040056]
=============================================================================
[ 543.040136] BUG ip_dst_cache: Padding overwritten.
0xffff8803e4217ffe-0xffff8803e4217fff
[ 543.040194]
-----------------------------------------------------------------------------
[ 543.040198]
[ 543.040298] INFO: Slab 0xffffea000d9e74d0 objects=25 used=25 fp=0x
(null) flags=0x8000000000004081
[ 543.040364] Pid: 4576, comm: kworker/1:2 Not tainted 3.0.0-rc2 #1
[ 543.040415] Call Trace:
[ 543.040472] [<ffffffff810b9c1d>] ? slab_err+0xad/0xd0
[ 543.040528] [<ffffffff8102e034>] ? check_preempt_wakeup+0xa4/0x160
[ 543.040595] [<ffffffff810ba206>] ? slab_pad_check+0x126/0x170
[ 543.040650] [<ffffffff8133045b>] ? dst_destroy+0x8b/0x110
[ 543.040701] [<ffffffff810ba29a>] ? check_slab+0x4a/0xc0
[ 543.040753] [<ffffffff810baf2d>] ? free_debug_processing+0x2d/0x250
[ 543.040808] [<ffffffff810bb27b>] ? __slab_free+0x12b/0x140
[ 543.040862] [<ffffffff810bbe99>] ? kmem_cache_free+0x99/0xa0
[ 543.040915] [<ffffffff8133045b>] ? dst_destroy+0x8b/0x110
[ 543.040967] [<ffffffff813307f6>] ? dst_gc_task+0x196/0x1f0
[ 543.041021] [<ffffffff8104e954>] ? queue_delayed_work_on+0x154/0x160
[ 543.041081] [<ffffffff813066fe>] ? do_dbs_timer+0x20e/0x3d0
[ 543.041133] [<ffffffff81330660>] ? dst_alloc+0x180/0x180
[ 543.041187] [<ffffffff8104f28b>] ? process_one_work+0xfb/0x3b0
[ 543.041242] [<ffffffff8104f964>] ? worker_thread+0x144/0x3d0
[ 543.041296] [<ffffffff8102cc10>] ? __wake_up_common+0x50/0x80
[ 543.041678] [<ffffffff8104f820>] ? rescuer_thread+0x2e0/0x2e0
[ 543.041729] [<ffffffff8104f820>] ? rescuer_thread+0x2e0/0x2e0
[ 543.041782] [<ffffffff81053436>] ? kthread+0x96/0xa0
[ 543.041835] [<ffffffff813e1d14>] ? kernel_thread_helper+0x4/0x10
[ 543.041890] [<ffffffff810533a0>] ? kthread_worker_fn+0x120/0x120
[ 543.041944] [<ffffffff813e1d10>] ? gs_change+0xb/0xb
[ 543.041993] Padding 0xffff8803e4217f40: 5a 5a 5a 5a 5a 5a 5a 5a 5a
5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
[ 543.042718] Padding 0xffff8803e4217f50: 5a 5a 5a 5a 5a 5a 5a 5a 5a
5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
[ 543.043433] Padding 0xffff8803e4217f60: 5a 5a 5a 5a 5a 5a 5a 5a 5a
5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
[ 543.044155] Padding 0xffff8803e4217f70: 5a 5a 5a 5a 5a 5a 5a 5a 5a
5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
[ 543.044866] Padding 0xffff8803e4217f80: 5a 5a 5a 5a 5a 5a 5a 5a 5a
5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
[ 543.045590] Padding 0xffff8803e4217f90: 5a 5a 5a 5a 5a 5a 5a 5a 5a
5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
[ 543.046311] Padding 0xffff8803e4217fa0: 5a 5a 5a 5a 5a 5a 5a 5a 5a
5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
[ 543.047034] Padding 0xffff8803e4217fb0: 5a 5a 5a 5a 5a 5a 5a 5a 5a
5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
[ 543.047755] Padding 0xffff8803e4217fc0: 5a 5a 5a 5a 5a 5a 5a 5a 5a
5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
[ 543.048474] Padding 0xffff8803e4217fd0: 5a 5a 5a 5a 5a 5a 5a 5a 5a
5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
[ 543.049203] Padding 0xffff8803e4217fe0: 5a 5a 5a 5a 5a 5a 5a 5a 5a
5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
[ 543.049909] Padding 0xffff8803e4217ff0: 5a 5a 5a 5a 5a 5a 5a 5a 5a
5a 5a 5a 5a 5a 00 00 ZZZZZZZZZZZZZZ..
[ 543.050021] FIX ip_dst_cache: Restoring
0xffff8803e4217f40-0xffff8803e4217fff=0x5a
[ 543.050021]
[ 885.504318] br1: port 4(vnet2) entering forwarding state
[ 885.504797] device vnet2 left promiscuous mode
[ 885.504868] br1: port 4(vnet2) entering disabled state
[ 885.847186] br1: port 3(vnet1) entering forwarding state
[ 885.847667] device vnet1 left promiscuous mode
[ 885.847740] br1: port 3(vnet1) entering disabled state
[ 885.940042]
=============================================================================
[ 885.940122] BUG kmalloc-512: Object padding overwritten
[ 885.940171]
-----------------------------------------------------------------------------
[ 885.940175]
[ 885.940273] INFO: 0xffff8803dc09322e-0xffff8803dc09322f. First byte
0x0 instead of 0x5a
[ 885.940344] INFO: Allocated in qdisc_alloc+0x59/0x110 age=66496 cpu=2
pid=4948
[ 885.940404] INFO: Freed in qdisc_alloc+0x49/0x110 age=66496 cpu=2
pid=4948
[ 885.940457] INFO: Slab 0xffffea000d821f80 objects=28 used=21
fp=0xffff8803dc090b68 flags=0x8000000000004081
[ 885.940519] INFO: Object 0xffff8803dc092fe8 @offset=12264
fp=0xffff8803dc092238
[ 885.940523]
[ 885.940618] Bytes b4 0xffff8803dc092fd8: d3 e0 ff ff 00 00 00 00 5a
5a 5a 5a 5a 5a 5a 5a Óàÿÿ....ZZZZZZZZ
[ 885.941373] Object 0xffff8803dc092fe8: 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 ................
[ 885.942120] Object 0xffff8803dc092ff8: 00 00 00 00 00 00 00 00 70
0a 34 81 ff ff ff ff ........p.4.ÿÿÿÿ
[ 885.942847] Object 0xffff8803dc093008: b0 08 34 81 ff ff ff ff 04
00 00 00 18 00 00 00 °.4.ÿÿÿÿ........
[ 885.943585] Object 0xffff8803dc093018: 60 ac 5d 81 ff ff ff ff 00
00 00 00 00 00 00 00 `¬].ÿÿÿÿ........
[ 885.944324] Object 0xffff8803dc093028: 28 30 09 dc 03 88 ff ff 28
30 09 dc 03 88 ff ff (0.Ü..ÿÿ(0.Ü..ÿÿ
[ 885.945071] Object 0xffff8803dc093038: 00 00 00 00 ff ff ff ff 00
00 00 00 00 00 00 00 ....ÿÿÿÿ........
[ 885.945794] Object 0xffff8803dc093048: 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 ................
[ 885.946530] Object 0xffff8803dc093058: 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 ................
[ 885.947281] Object 0xffff8803dc093068: 98 f3 f9 0e 04 88 ff ff 00
00 00 00 00 00 00 00 .óù...ÿÿ........
[ 885.948011] Object 0xffff8803dc093078: 00 00 00 00 00 00 00 00 02
00 00 00 00 00 00 00 ................
[ 885.948735] Object 0xffff8803dc093088: 88 30 09 dc 03 88 ff ff 88
30 09 dc 03 88 ff ff .0.Ü..ÿÿ.0.Ü..ÿÿ
[ 885.949483] Object 0xffff8803dc093098: 00 00 00 00 bf bf 00 00 ca
29 01 00 00 00 00 00 ....¿¿..Ê)......
[ 885.950007] Object 0xffff8803dc0930a8: de 01 00 00 00 00 00 00 00
00 00 00 00 00 00 00 Þ...............
[ 885.950007] Object 0xffff8803dc0930b8: 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 ................
[ 885.950007] Object 0xffff8803dc0930c8: 10 cd 13 e7 03 88 ff ff a0
13 34 81 ff ff ff ff .Í.ç..ÿÿ..4.ÿÿÿÿ
[ 885.950007] Object 0xffff8803dc0930d8: 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 ................
[ 885.950007] Object 0xffff8803dc0930e8: 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 ................
[ 885.950007] Object 0xffff8803dc0930f8: 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 ................
[ 885.950007] Object 0xffff8803dc093108: 08 31 09 dc 03 88 ff ff 08
31 09 dc 03 88 ff ff .1.Ü..ÿÿ.1.Ü..ÿÿ
[ 885.950007] Object 0xffff8803dc093118: 00 00 00 00 00 00 00 00 20
31 09 dc 03 88 ff ff .........1.Ü..ÿÿ
[ 885.950007] Object 0xffff8803dc093128: 20 31 09 dc 03 88 ff ff 00
00 00 00 00 00 00 00 .1.Ü..ÿÿ........
[ 885.950007] Object 0xffff8803dc093138: 38 31 09 dc 03 88 ff ff 38
31 09 dc 03 88 ff ff 81.Ü..ÿÿ81.Ü..ÿÿ
[ 885.950007] Object 0xffff8803dc093148: 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 ................
[ 885.950007] Object 0xffff8803dc093158: 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 ................
[ 885.950007] Object 0xffff8803dc093168: 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 ................
[ 885.950007] Object 0xffff8803dc093178: 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 ................
[ 885.950007] Object 0xffff8803dc093188: 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 ................
[ 885.950007] Object 0xffff8803dc093198: 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 ................
[ 885.950007] Object 0xffff8803dc0931a8: 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 ................
[ 885.950007] Object 0xffff8803dc0931b8: 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 ................
[ 885.950007] Object 0xffff8803dc0931c8: 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 ................
[ 885.950007] Object 0xffff8803dc0931d8: 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 ................
[ 885.950007] Redzone 0xffff8803dc0931e8: cc cc cc cc cc cc cc cc
ÌÌÌÌÌÌÌÌ
[ 885.950007] Padding 0xffff8803dc093228: 5a 5a 5a 5a 5a 5a 00 00
ZZZZZZ..
[ 885.950007] Pid: 11, comm: rcuc1 Not tainted 3.0.0-rc2 #1
[ 885.950007] Call Trace:
[ 885.950007] [<ffffffff810ba41d>] ? check_bytes_and_report+0x10d/0x150
[ 885.950007] [<ffffffff810ba509>] ? check_object+0xa9/0x260
[ 885.950007] [<ffffffff81075a49>] ? __rcu_process_callbacks+0x119/0x340
[ 885.950007] [<ffffffff810bb033>] ? free_debug_processing+0x133/0x250
[ 885.950007] [<ffffffff810bb27b>] ? __slab_free+0x12b/0x140
[ 885.950007] [<ffffffff81075a49>] ? __rcu_process_callbacks+0x119/0x340
[ 885.950007] [<ffffffff8107666b>] ? rcu_cpu_kthread+0x27b/0x3a0
[ 885.950007] [<ffffffff8102d5b9>] ? ttwu_do_wakeup+0x19/0xa0
[ 885.950007] [<ffffffff81074a80>] ? invoke_rcu_cpu_kthread+0x30/0x30
[ 885.950007] [<ffffffff810763f0>] ? rcu_check_callbacks+0x100/0x100
[ 885.950007] [<ffffffff810763f0>] ? rcu_check_callbacks+0x100/0x100
[ 885.950007] [<ffffffff81053436>] ? kthread+0x96/0xa0
[ 885.950007] [<ffffffff813e1d14>] ? kernel_thread_helper+0x4/0x10
[ 885.950007] [<ffffffff810533a0>] ? kthread_worker_fn+0x120/0x120
[ 885.950007] [<ffffffff813e1d10>] ? gs_change+0xb/0xb
[ 885.950007] FIX kmalloc-512: Restoring
0xffff8803dc09322e-0xffff8803dc09322f=0x5a
[ 885.950007]
[ 886.050119]
=============================================================================
[ 886.050198] BUG kmalloc-512: Object padding overwritten
[ 886.050247]
-----------------------------------------------------------------------------
[ 886.050251]
[ 886.050353] INFO: 0xffff8803dc091916-0xffff8803dc091917. First byte
0x0 instead of 0x5a
[ 886.050451] INFO: Allocated in kvm_ioapic_init+0x3c/0xd0 [kvm]
age=66256 cpu=0 pid=5122
[ 886.050517] INFO: Freed in __kfree_skb+0x11/0x90 age=66311 cpu=4 pid=5054
[ 886.050568] INFO: Slab 0xffffea000d821f80 objects=28 used=17
fp=0xffff8803dc091488 flags=0x8000000000004081
[ 886.050630] INFO: Object 0xffff8803dc0916d0 @offset=5840 fp=0x
(null)
[ 886.050634]
[ 886.050726] Bytes b4 0xffff8803dc0916c0: ea e4 00 00 01 00 00 00 5a
5a 5a 5a 5a 5a 5a 5a êä......ZZZZZZZZ
[ 886.051451] Object 0xffff8803dc0916d0: 00 00 c0 fe 00 00 00 00 3f
00 00 00 00 00 00 00 ..Àþ....?.......
[ 886.052183] Object 0xffff8803dc0916e0: 00 08 00 00 00 00 00 00 00
00 01 00 00 00 00 00 ................
[ 886.052898] Object 0xffff8803dc0916f0: 00 00 01 00 00 00 00 00 00
00 01 00 00 00 00 00 ................
[ 886.053613] Object 0xffff8803dc091700: 00 00 01 00 00 00 00 00 00
00 01 00 00 00 00 00 ................
[ 886.054325] Object 0xffff8803dc091710: 00 00 01 00 00 00 00 00 00
00 01 00 00 00 00 00 ................
[ 886.055032] Object 0xffff8803dc091720: 00 00 01 00 00 00 00 00 00
00 01 00 00 00 00 00 ................
[ 886.055743] Object 0xffff8803dc091730: 00 00 01 00 00 00 00 00 00
00 01 00 00 00 00 00 ................
[ 886.056462] Object 0xffff8803dc091740: 00 00 01 00 00 00 00 00 00
00 01 00 00 00 00 00 ................
[ 886.057177] Object 0xffff8803dc091750: 00 00 01 00 00 00 00 00 00
00 01 00 00 00 00 00 ................
[ 886.058210] Object 0xffff8803dc091760: 00 00 01 00 00 00 00 00 00
00 01 00 00 00 00 00 ................
[ 886.058957] Object 0xffff8803dc091770: 00 00 01 00 00 00 00 00 00
00 01 00 00 00 00 00 ................
[ 886.059667] Object 0xffff8803dc091780: 00 00 01 00 00 00 00 00 00
00 01 00 00 00 00 00 ................
[ 886.060104] Object 0xffff8803dc091790: 00 00 01 00 00 00 00 00 00
00 01 00 00 00 00 00 ................
[ 886.060104] Object 0xffff8803dc0917a0: 00 00 01 00 00 00 00 00 00
00 00 00 00 00 00 00 ................
[ 886.060104] Object 0xffff8803dc0917b0: 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 ................
[ 886.060104] Object 0xffff8803dc0917c0: 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 ................
[ 886.060104] Object 0xffff8803dc0917d0: 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 ................
[ 886.060104] Object 0xffff8803dc0917e0: 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 ................
[ 886.060104] Object 0xffff8803dc0917f0: 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 ................
[ 886.060104] Object 0xffff8803dc091800: 01 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 ................
[ 886.060104] Object 0xffff8803dc091810: 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 ................
[ 886.060104] Object 0xffff8803dc091820: 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 ................
[ 886.060104] Object 0xffff8803dc091830: 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 ................
[ 886.060104] Object 0xffff8803dc091840: 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 ................
[ 886.060104] Object 0xffff8803dc091850: 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 ................
[ 886.060104] Object 0xffff8803dc091860: 00 00 00 00 00 00 00 00 b0
80 10 a0 ff ff ff ff ........°...ÿÿÿÿ
[ 886.060104] Object 0xffff8803dc091870: 00 00 df f5 03 88 ff ff 00
00 00 00 00 00 00 00 ..ßõ..ÿÿ........
[ 886.060104] Object 0xffff8803dc091880: 43 43 00 00 00 00 00 00 01
00 00 00 00 00 00 00 CC..............
[ 886.060104] Object 0xffff8803dc091890: 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 ................
[ 886.060104] Object 0xffff8803dc0918a0: 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 ................
[ 886.060104] Object 0xffff8803dc0918b0: 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 ................
[ 886.060104] Object 0xffff8803dc0918c0: 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 ................
[ 886.060104] Redzone 0xffff8803dc0918d0: cc cc cc cc cc cc cc cc
ÌÌÌÌÌÌÌÌ
[ 886.060104] Padding 0xffff8803dc091910: 5a 5a 5a 5a 5a 5a 00 00
ZZZZZZ..
[ 886.060104] Pid: 7359, comm: qemu Not tainted 3.0.0-rc2 #1
[ 886.060104] Call Trace:
[ 886.060104] [<ffffffff810ba41d>] ? check_bytes_and_report+0x10d/0x150
[ 886.060104] [<ffffffff810ba509>] ? check_object+0xa9/0x260
[ 886.060104] [<ffffffffa00eb8bf>] ? kvm_arch_destroy_vm+0x2f/0x150 [kvm]
[ 886.060104] [<ffffffff810bb033>] ? free_debug_processing+0x133/0x250
[ 886.060104] [<ffffffff810bb27b>] ? __slab_free+0x12b/0x140
[ 886.060104] [<ffffffffa00eb8bf>] ? kvm_arch_destroy_vm+0x2f/0x150 [kvm]
[ 886.060104] [<ffffffffa00e2dd9>] ? kvm_put_kvm+0xe9/0x130 [kvm]
[ 886.060104] [<ffffffffa00e3763>] ? kvm_vcpu_release+0x13/0x20 [kvm]
[ 886.060104] [<ffffffff810c65fd>] ? fput+0xdd/0x270
[ 886.060104] [<ffffffff810c2e1c>] ? filp_close+0x5c/0x90
[ 886.060104] [<ffffffff8103ae1d>] ? put_files_struct+0xcd/0x100
[ 886.060104] [<ffffffff8103ccc7>] ? do_exit+0x6d7/0x7e0
[ 886.060104] [<ffffffff8103ce20>] ? do_group_exit+0x50/0xc0
[ 886.060104] [<ffffffff81048914>] ? get_signal_to_deliver+0x1a4/0x3a0
[ 886.060104] [<ffffffff8100188a>] ? do_signal+0x8a/0x7d0
[ 886.060104] [<ffffffff81049148>] ? kill_pid_info+0x38/0x60
[ 886.060104] [<ffffffff810493e4>] ? sys_kill+0x94/0x1b0
[ 886.060104] [<ffffffff8100201d>] ? do_notify_resume+0x4d/0x70
[ 886.060104] [<ffffffff810c59c4>] ? sys_pread64+0x74/0xa0
[ 886.060104] [<ffffffff813e11db>] ? int_signal+0x12/0x17
[ 886.060104] FIX kmalloc-512: Restoring
0xffff8803dc091916-0xffff8803dc091917=0x5a
[ 886.060104]
[ 926.148014] br1: port 6(vnet4) entering forwarding state
[ 926.148385] device vnet4 left promiscuous mode
[ 926.148457] br1: port 6(vnet4) entering disabled state
[ 945.659523] br1: port 2(vnet0) entering forwarding state
[ 945.660041] device vnet0 left promiscuous mode
[ 945.660116] br1: port 2(vnet0) entering disabled state
[ 1121.085267] br1: port 5(vnet3) entering forwarding state
[ 1121.085783] device vnet3 left promiscuous mode
[ 1121.085860] br1: port 5(vnet3) entering disabled state
[ 1176.307099] nfsd: last server has exited, flushing export cache
[ 1176.430113]
=============================================================================
[ 1176.430194] BUG kmalloc-512: Object padding overwritten
[ 1176.430199]
-----------------------------------------------------------------------------
[ 1176.430204]
[ 1176.430210] INFO: 0xffff8803f5df5b5e-0xffff8803f5df5b5f. First byte
0x0 instead of 0x5a
[ 1176.430225] INFO: Allocated in sock_alloc_send_pskb+0x1d0/0x320
age=93370 cpu=0 pid=5126
[ 1176.430234] INFO: Freed in __kfree_skb+0x11/0x90 age=93370 cpu=0 pid=4495
[ 1176.430240] INFO: Slab 0xffffea000ddc8d60 objects=28 used=0
fp=0xffff8803f5df76c0 flags=0x8000000000004080
[ 1176.430246] INFO: Object 0xffff8803f5df5918 @offset=6424
fp=0xffff8803f5df7908
[ 1176.430249]
[ 1176.430253] Bytes b4 0xffff8803f5df5908: ab f0 ff ff 00 00 00 00 5a
5a 5a 5a 5a 5a 5a 5a «ðÿÿ....ZZZZZZZZ
[ 1176.430270] Object 0xffff8803f5df5918: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1176.430285] Object 0xffff8803f5df5928: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1176.430300] Object 0xffff8803f5df5938: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1176.430314] Object 0xffff8803f5df5948: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1176.430328] Object 0xffff8803f5df5958: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1176.430343] Object 0xffff8803f5df5968: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1176.430357] Object 0xffff8803f5df5978: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1176.430371] Object 0xffff8803f5df5988: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1176.430386] Object 0xffff8803f5df5998: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1176.430400] Object 0xffff8803f5df59a8: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1176.430414] Object 0xffff8803f5df59b8: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1176.430429] Object 0xffff8803f5df59c8: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1176.430443] Object 0xffff8803f5df59d8: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1176.430457] Object 0xffff8803f5df59e8: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1176.430471] Object 0xffff8803f5df59f8: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1176.430485] Object 0xffff8803f5df5a08: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1176.430500] Object 0xffff8803f5df5a18: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1176.430514] Object 0xffff8803f5df5a28: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1176.430528] Object 0xffff8803f5df5a38: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1176.430542] Object 0xffff8803f5df5a48: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1176.430557] Object 0xffff8803f5df5a58: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1176.430571] Object 0xffff8803f5df5a68: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1176.430585] Object 0xffff8803f5df5a78: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1176.430599] Object 0xffff8803f5df5a88: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1176.430614] Object 0xffff8803f5df5a98: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1176.430628] Object 0xffff8803f5df5aa8: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1176.430642] Object 0xffff8803f5df5ab8: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1176.430656] Object 0xffff8803f5df5ac8: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1176.430671] Object 0xffff8803f5df5ad8: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1176.430685] Object 0xffff8803f5df5ae8: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1176.430699] Object 0xffff8803f5df5af8: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1176.430714] Object 0xffff8803f5df5b08: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b a5 kkkkkkkkkkkkkkk¥
[ 1176.430729] Redzone 0xffff8803f5df5b18: bb bb bb bb bb bb bb bb
»»»»»»»»
[ 1176.430742] Padding 0xffff8803f5df5b58: 5a 5a 5a 5a 5a 5a 00 00
ZZZZZZ..
[ 1176.430758] Pid: 24, comm: rcuc4 Not tainted 3.0.0-rc2 #1
[ 1176.430762] Call Trace:
[ 1176.430774] [<ffffffff810ba41d>] ? check_bytes_and_report+0x10d/0x150
[ 1176.430782] [<ffffffff810ba509>] ? check_object+0xa9/0x260
[ 1176.430789] [<ffffffff810bac15>] ? init_object+0x85/0xa0
[ 1176.430795] [<ffffffff810ba816>] ? __free_slab+0x156/0x180
[ 1176.430803] [<ffffffff81075a49>] ? __rcu_process_callbacks+0x119/0x340
[ 1176.430810] [<ffffffff8107666b>] ? rcu_cpu_kthread+0x27b/0x3a0
[ 1176.430818] [<ffffffff8102d5b9>] ? ttwu_do_wakeup+0x19/0xa0
[ 1176.430825] [<ffffffff81074a80>] ? invoke_rcu_cpu_kthread+0x30/0x30
[ 1176.430832] [<ffffffff810763f0>] ? rcu_check_callbacks+0x100/0x100
[ 1176.430838] [<ffffffff810763f0>] ? rcu_check_callbacks+0x100/0x100
[ 1176.430846] [<ffffffff81053436>] ? kthread+0x96/0xa0
[ 1176.430855] [<ffffffff813e1d14>] ? kernel_thread_helper+0x4/0x10
[ 1176.430863] [<ffffffff810533a0>] ? kthread_worker_fn+0x120/0x120
[ 1176.430870] [<ffffffff813e1d10>] ? gs_change+0xb/0xb
[ 1176.430876] FIX kmalloc-512: Restoring
0xffff8803f5df5b5e-0xffff8803f5df5b5f=0x5a
[ 1176.430879]
[ 1176.430897]
=============================================================================
[ 1176.430902] BUG kmalloc-512: Object padding overwritten
[ 1176.430905]
-----------------------------------------------------------------------------
[ 1176.430909]
[ 1176.430912] INFO: 0xffff8803f5df6fe6-0xffff8803f5df6fe7. First byte
0x0 instead of 0x5a
[ 1176.430921] INFO: Allocated in sock_alloc_send_pskb+0x1d0/0x320
age=93370 cpu=0 pid=5126
[ 1176.430928] INFO: Freed in __kfree_skb+0x11/0x90 age=93370 cpu=0 pid=4495
[ 1176.430935] INFO: Slab 0xffffea000ddc8d60 objects=28 used=0
fp=0xffff8803f5df76c0 flags=0x8000000000004080
[ 1176.430940] INFO: Object 0xffff8803f5df6da0 @offset=11680
fp=0xffff8803f5df5488
[ 1176.430943]
[ 1176.430946] Bytes b4 0xffff8803f5df6d90: cd 7a 00 00 01 00 00 00 5a
5a 5a 5a 5a 5a 5a 5a Íz......ZZZZZZZZ
[ 1176.430962] Object 0xffff8803f5df6da0: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1176.430977] Object 0xffff8803f5df6db0: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1176.430992] Object 0xffff8803f5df6dc0: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1176.431006] Object 0xffff8803f5df6dd0: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1176.431021] Object 0xffff8803f5df6de0: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1176.431036] Object 0xffff8803f5df6df0: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1176.431050] Object 0xffff8803f5df6e00: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1176.431065] Object 0xffff8803f5df6e10: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1176.431080] Object 0xffff8803f5df6e20: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1176.431094] Object 0xffff8803f5df6e30: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1176.431109] Object 0xffff8803f5df6e40: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1176.431124] Object 0xffff8803f5df6e50: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1176.431138] Object 0xffff8803f5df6e60: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1176.431153] Object 0xffff8803f5df6e70: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1176.431168] Object 0xffff8803f5df6e80: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1176.431182] Object 0xffff8803f5df6e90: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1176.431197] Object 0xffff8803f5df6ea0: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1176.431213] Object 0xffff8803f5df6eb0: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1176.431228] Object 0xffff8803f5df6ec0: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1176.431243] Object 0xffff8803f5df6ed0: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1176.431258] Object 0xffff8803f5df6ee0: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1176.431273] Object 0xffff8803f5df6ef0: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1176.431287] Object 0xffff8803f5df6f00: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1176.431303] Object 0xffff8803f5df6f10: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1176.431317] Object 0xffff8803f5df6f20: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1176.431332] Object 0xffff8803f5df6f30: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1176.431346] Object 0xffff8803f5df6f40: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1176.431361] Object 0xffff8803f5df6f50: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1176.431376] Object 0xffff8803f5df6f60: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1176.431391] Object 0xffff8803f5df6f70: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1176.431405] Object 0xffff8803f5df6f80: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1176.431420] Object 0xffff8803f5df6f90: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b a5 kkkkkkkkkkkkkkk¥
[ 1176.431435] Redzone 0xffff8803f5df6fa0: bb bb bb bb bb bb bb bb
»»»»»»»»
[ 1176.431448] Padding 0xffff8803f5df6fe0: 5a 5a 5a 5a 5a 5a 00 00
ZZZZZZ..
[ 1176.431463] Pid: 24, comm: rcuc4 Not tainted 3.0.0-rc2 #1
[ 1176.431467] Call Trace:
[ 1176.431474] [<ffffffff810ba41d>] ? check_bytes_and_report+0x10d/0x150
[ 1176.431481] [<ffffffff810ba509>] ? check_object+0xa9/0x260
[ 1176.431487] [<ffffffff810bac15>] ? init_object+0x85/0xa0
[ 1176.431494] [<ffffffff810ba816>] ? __free_slab+0x156/0x180
[ 1176.431501] [<ffffffff81075a49>] ? __rcu_process_callbacks+0x119/0x340
[ 1176.431508] [<ffffffff8107666b>] ? rcu_cpu_kthread+0x27b/0x3a0
[ 1176.431515] [<ffffffff8102d5b9>] ? ttwu_do_wakeup+0x19/0xa0
[ 1176.431522] [<ffffffff81074a80>] ? invoke_rcu_cpu_kthread+0x30/0x30
[ 1176.431529] [<ffffffff810763f0>] ? rcu_check_callbacks+0x100/0x100
[ 1176.431535] [<ffffffff810763f0>] ? rcu_check_callbacks+0x100/0x100
[ 1176.431543] [<ffffffff81053436>] ? kthread+0x96/0xa0
[ 1176.431550] [<ffffffff813e1d14>] ? kernel_thread_helper+0x4/0x10
[ 1176.431558] [<ffffffff810533a0>] ? kthread_worker_fn+0x120/0x120
[ 1176.431565] [<ffffffff813e1d10>] ? gs_change+0xb/0xb
[ 1176.431571] FIX kmalloc-512: Restoring
0xffff8803f5df6fe6-0xffff8803f5df6fe7=0x5a
[ 1176.431574]
[ 1179.773660]
=============================================================================
[ 1179.773742] BUG kmalloc-1024: Object padding overwritten
[ 1179.773792]
-----------------------------------------------------------------------------
[ 1179.773796]
[ 1179.773901] INFO: 0xffff8803e430e6be-0xffff8803e430e6bf. First byte
0x0 instead of 0x5a
[ 1179.773972] INFO: Allocated in tty_buffer_request_room+0xcc/0x1a0
age=93277 cpu=1 pid=5109
[ 1179.774042] INFO: Freed in __blockdev_direct_IO+0xa16/0xa90 age=93277
cpu=5 pid=5146
[ 1179.774102] INFO: Slab 0xffffea000d9ea9c0 objects=29 used=14
fp=0xffff8803e430d9e8 flags=0x8000000000004081
[ 1179.774163] INFO: Object 0xffff8803e430e278 @offset=25208
fp=0xffff8803e4309df8
[ 1179.774166]
[ 1179.774260] Bytes b4 0xffff8803e430e268: a5 57 01 00 01 00 00 00 5a
5a 5a 5a 5a 5a 5a 5a ¥W......ZZZZZZZZ
[ 1179.775297] Object 0xffff8803e430e278: 08 eb 30 e4 03 88 ff ff a0
e2 30 e4 03 88 ff ff .ë0ä..ÿÿ.â0ä..ÿÿ
[ 1179.776003] Object 0xffff8803e430e288: a0 e3 30 e4 03 88 ff ff be
00 00 00 00 01 00 00 .ã0ä..ÿÿŸ.......
[ 1179.776974] Object 0xffff8803e430e298: be 00 00 00 be 00 00 00 5b
20 20 20 20 32 2e 34 Ÿ...Ÿ...[....2.4
[ 1179.777656] Object 0xffff8803e430e2a8: 31 30 32 34 36 5d 20 70 63
69 20 30 30 30 30 3a 10246].pci.0000:
[ 1179.778609] Object 0xffff8803e430e2b8: 30 30 3a 31 34 2e 34 3a 20
20 20 62 72 69 64 67 00:14.4:...bridg
[ 1179.779289] Object 0xffff8803e430e2c8: 65 20 77 69 6e 64 6f 77 20
5b 69 6f 20 20 30 78 e.window.[io..0x
[ 1179.779976] Object 0xffff8803e430e2d8: 30 64 30 30 2d 30 78 66 66
66 66 5d 20 28 73 75 0d00-0xffff].(su
[ 1179.780327] Object 0xffff8803e430e2e8: 62 74 72 61 63 74 69 76 65
20 64 65 63 6f 64 65 btractive.decode
[ 1179.780327] Object 0xffff8803e430e2f8: 29 0d 0a 5b 20 20 20 20 32
2e 34 31 30 32 34 38 )..[....2.410248
[ 1179.780327] Object 0xffff8803e430e308: 5d 20 70 63 69 20 30 30 30
30 3a 30 30 3a 31 34 ].pci.0000:00:14
[ 1179.780327] Object 0xffff8803e430e318: 2e 34 3a 20 20 20 62 72 69
64 67 65 20 77 69 6e .4:...bridge.win
[ 1179.780327] Object 0xffff8803e430e328: 64 6f 77 20 5b 6d 65 6d 20
30 78 30 30 30 61 30 dow.[mem.0x000a0
[ 1179.780327] Object 0xffff8803e430e338: 30 30 30 2d 30 78 30 30 30
62 66 66 66 66 5d 20 000-0x000bffff].
[ 1179.780327] Object 0xffff8803e430e348: 28 73 75 62 74 72 61 63 74
69 76 65 20 64 65 63 (subtractive.dec
[ 1179.780327] Object 0xffff8803e430e358: 6f 64 65 29 0d 0a 32 30 5d
20 78 48 43 49 20 78 ode)..20].xHCI.x
[ 1179.780327] Object 0xffff8803e430e368: 68 63 69 5f 63 68 65 63 6b
5f 62 61 6e 64 77 69 hci_check_bandwi
[ 1179.780327] Object 0xffff8803e430e378: 64 74 68 20 63 61 6c 6c 65
64 20 66 6f 72 20 72 dth.called.for.r
[ 1179.780327] Object 0xffff8803e430e388: 6f 6f 74 20 68 75 62 0d 0a
0d 0a 0d 0a 0d 0a 0d oot.hub.........
[ 1179.780327] Object 0xffff8803e430e398: 0a 30 30 0d 0a 0d 0a 0a 00
00 00 00 00 00 00 00 .00.............
[ 1179.780327] Object 0xffff8803e430e3a8: 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 ................
[ 1179.780327] Object 0xffff8803e430e3b8: 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 ................
[ 1179.780327] Object 0xffff8803e430e3c8: 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 ................
[ 1179.780327] Object 0xffff8803e430e3d8: 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 ................
[ 1179.780327] Object 0xffff8803e430e3e8: 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 ................
[ 1179.780327] Object 0xffff8803e430e3f8: 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 ................
[ 1179.780327] Object 0xffff8803e430e408: 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 ................
[ 1179.780327] Object 0xffff8803e430e418: 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 ................
[ 1179.780327] Object 0xffff8803e430e428: 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 ................
[ 1179.780327] Object 0xffff8803e430e438: 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 ................
[ 1179.780327] Object 0xffff8803e430e448: 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 ................
[ 1179.780327] Object 0xffff8803e430e458: 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 ................
[ 1179.780327] Object 0xffff8803e430e468: 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 ................
[ 1179.780327] Object 0xffff8803e430e478: 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 ................
[ 1179.780327] Object 0xffff8803e430e488: 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 ................
[ 1179.780327] Object 0xffff8803e430e498: 00 00 00 00 00 00 00 00 6b
6b 6b 6b 6b 6b 6b 6b ........kkkkkkkk
[ 1179.780327] Object 0xffff8803e430e4a8: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1179.780327] Object 0xffff8803e430e4b8: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1179.780327] Object 0xffff8803e430e4c8: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1179.780327] Object 0xffff8803e430e4d8: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1179.780327] Object 0xffff8803e430e4e8: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1179.780327] Object 0xffff8803e430e4f8: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1179.780327] Object 0xffff8803e430e508: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1179.780327] Object 0xffff8803e430e518: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1179.780327] Object 0xffff8803e430e528: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1179.780327] Object 0xffff8803e430e538: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1179.780327] Object 0xffff8803e430e548: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1179.780327] Object 0xffff8803e430e558: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1179.780327] Object 0xffff8803e430e568: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1179.780327] Object 0xffff8803e430e578: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1179.780327] Object 0xffff8803e430e588: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1179.780327] Object 0xffff8803e430e598: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1179.780327] Object 0xffff8803e430e5a8: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1179.780327] Object 0xffff8803e430e5b8: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1179.780327] Object 0xffff8803e430e5c8: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1179.780327] Object 0xffff8803e430e5d8: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1179.780327] Object 0xffff8803e430e5e8: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1179.780327] Object 0xffff8803e430e5f8: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1179.780327] Object 0xffff8803e430e608: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1179.780327] Object 0xffff8803e430e618: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1179.780327] Object 0xffff8803e430e628: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1179.780327] Object 0xffff8803e430e638: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1179.780327] Object 0xffff8803e430e648: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1179.780327] Object 0xffff8803e430e658: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1179.780327] Object 0xffff8803e430e668: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b a5 kkkkkkkkkkkkkkk¥
[ 1179.780327] Redzone 0xffff8803e430e678: cc cc cc cc cc cc cc cc
ÌÌÌÌÌÌÌÌ
[ 1179.780327] Padding 0xffff8803e430e6b8: 5a 5a 5a 5a 5a 5a 00 00
ZZZZZZ..
[ 1179.780327] Pid: 2212, comm: kworker/5:2 Not tainted 3.0.0-rc2 #1
[ 1179.780327] Call Trace:
[ 1179.780327] [<ffffffff810ba41d>] ? check_bytes_and_report+0x10d/0x150
[ 1179.780327] [<ffffffff810ba509>] ? check_object+0xa9/0x260
[ 1179.780327] [<ffffffff8125acf7>] ? tty_buffer_free_all+0x47/0x70
[ 1179.780327] [<ffffffff810bb033>] ? free_debug_processing+0x133/0x250
[ 1179.780327] [<ffffffff810bb27b>] ? __slab_free+0x12b/0x140
[ 1179.780327] [<ffffffff81254c70>] ? free_tty_struct+0x30/0x30
[ 1179.780327] [<ffffffff8125acf7>] ? tty_buffer_free_all+0x47/0x70
[ 1179.780327] [<ffffffff81254c66>] ? free_tty_struct+0x26/0x30
[ 1179.780327] [<ffffffff8104f28b>] ? process_one_work+0xfb/0x3b0
[ 1179.780327] [<ffffffff8104f964>] ? worker_thread+0x144/0x3d0
[ 1179.780327] [<ffffffff8102cc10>] ? __wake_up_common+0x50/0x80
[ 1179.780327] [<ffffffff8104f820>] ? rescuer_thread+0x2e0/0x2e0
[ 1179.780327] [<ffffffff8104f820>] ? rescuer_thread+0x2e0/0x2e0
[ 1179.780327] [<ffffffff81053436>] ? kthread+0x96/0xa0
[ 1179.780327] [<ffffffff813e1d14>] ? kernel_thread_helper+0x4/0x10
[ 1179.780327] [<ffffffff810533a0>] ? kthread_worker_fn+0x120/0x120
[ 1179.780327] [<ffffffff813e1d10>] ? gs_change+0xb/0xb
[ 1179.780327] FIX kmalloc-1024: Restoring
0xffff8803e430e6be-0xffff8803e430e6bf=0x5a
[ 1179.780327]
[ 1180.826212]
=============================================================================
[ 1180.826289] BUG kmalloc-1024: Object padding overwritten
[ 1180.826338]
-----------------------------------------------------------------------------
[ 1180.826341]
[ 1180.826439] INFO: 0xffff8804097a9566-0xffff8804097a9567. First byte
0x0 instead of 0x5a
[ 1180.826505] INFO: Allocated in tty_buffer_request_room+0xcc/0x1a0
age=69291 cpu=0 pid=5978
[ 1180.826567] INFO: Freed in __blockdev_direct_IO+0xa16/0xa90 age=80371
cpu=5 pid=5713
[ 1180.826626] INFO: Slab 0xffffea000e212cc0 objects=29 used=3
fp=0xffff8804097a8890 flags=0x8000000000004081
[ 1180.826686] INFO: Object 0xffff8804097a9120 @offset=4384
fp=0xffff8804097a8890
[ 1180.826689]
[ 1180.826781] Bytes b4 0xffff8804097a9110: 91 48 01 00 01 00 00 00 5a
5a 5a 5a 5a 5a 5a 5a .H......ZZZZZZZZ
[ 1180.827478] Object 0xffff8804097a9120: 30 de 70 fc 03 88 ff ff 48
91 7a 09 04 88 ff ff 0Þpü..ÿÿH.z...ÿÿ
[ 1180.828179] Object 0xffff8804097a9130: 48 92 7a 09 04 88 ff ff ce
00 00 00 00 01 00 00 H.z...ÿÿÎ.......
[ 1180.829149] Object 0xffff8804097a9140: ce 00 00 00 ce 00 00 00 5b
20 20 20 20 32 2e 33 Î...Î...[....2.3
[ 1180.830162] Object 0xffff8804097a9150: 32 31 31 35 36 5d 20 70 63
69 20 30 30 30 30 3a 21156].pci.0000:
[ 1180.831118] Object 0xffff8804097a9160: 30 30 3a 31 33 2e 30 3a 20
5b 31 30 30 32 3a 34 00:13.0:.[1002:4
[ 1180.831796] Object 0xffff8804097a9170: 33 39 37 5d 20 74 79 70 65
20 30 20 63 6c 61 73 397].type.0.clas
[ 1180.832492] Object 0xffff8804097a9180: 73 20 30 78 30 30 30 63 30
33 0d 0a 5b 20 20 20 s.0x000c03..[...
[ 1180.833482] Object 0xffff8804097a9190: 20 32 2e 33 32 31 31 36 36
5d 20 70 63 69 20 30 .2.321166].pci.0
[ 1180.834173] Object 0xffff8804097a91a0: 30 30 30 3a 30 30 3a 31 33
2e 30 3a 20 72 65 67 000:00:13.0:.reg
[ 1180.835134] Object 0xffff8804097a91b0: 20 31 30 3a 20 5b 6d 65 6d
20 30 78 66 65 31 66 .10:.[mem.0xfe1f
[ 1180.835240] Object 0xffff8804097a91c0: 64 30 30 30 2d 30 78 66 65
31 66 64 66 66 66 5d d000-0xfe1fdfff]
[ 1180.835240] Object 0xffff8804097a91d0: 0d 0a 5b 20 20 20 20 32 2e
33 32 31 32 31 38 5d ..[....2.321218]
[ 1180.835240] Object 0xffff8804097a91e0: 20 70 63 69 20 30 30 30 30
3a 30 30 3a 31 33 2e .pci.0000:00:13.
[ 1180.835240] Object 0xffff8804097a91f0: 32 3a 20 5b 31 30 30 32 3a
34 33 39 36 5d 20 74 2:.[1002:4396].t
[ 1180.835240] Object 0xffff8804097a9200: 79 70 65 20 30 20 63 6c 61
73 73 20 30 78 30 30 ype.0.class.0x00
[ 1180.835240] Object 0xffff8804097a9210: 30 63 30 33 0d 0a 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b 0c03..kkkkkkkkkk
[ 1180.835240] Object 0xffff8804097a9220: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1180.835240] Object 0xffff8804097a9230: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1180.835240] Object 0xffff8804097a9240: 6b 6b 6b 6b 6b 6b 6b 6b 00
00 00 00 00 00 00 00 kkkkkkkk........
[ 1180.835240] Object 0xffff8804097a9250: 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 ................
[ 1180.835240] Object 0xffff8804097a9260: 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 ................
[ 1180.835240] Object 0xffff8804097a9270: 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 ................
[ 1180.835240] Object 0xffff8804097a9280: 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 ................
[ 1180.835240] Object 0xffff8804097a9290: 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 ................
[ 1180.835240] Object 0xffff8804097a92a0: 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 ................
[ 1180.835240] Object 0xffff8804097a92b0: 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 ................
[ 1180.835240] Object 0xffff8804097a92c0: 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 ................
[ 1180.835240] Object 0xffff8804097a92d0: 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 ................
[ 1180.835240] Object 0xffff8804097a92e0: 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 ................
[ 1180.835240] Object 0xffff8804097a92f0: 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 ................
[ 1180.835240] Object 0xffff8804097a9300: 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 ................
[ 1180.835240] Object 0xffff8804097a9310: 00 00 00 00 00 00 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b ......kkkkkkkkkk
[ 1180.835240] Object 0xffff8804097a9320: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1180.835240] Object 0xffff8804097a9330: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1180.835240] Object 0xffff8804097a9340: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1180.835240] Object 0xffff8804097a9350: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1180.835240] Object 0xffff8804097a9360: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1180.835240] Object 0xffff8804097a9370: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1180.835240] Object 0xffff8804097a9380: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1180.835240] Object 0xffff8804097a9390: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1180.835240] Object 0xffff8804097a93a0: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1180.835240] Object 0xffff8804097a93b0: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1180.835240] Object 0xffff8804097a93c0: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1180.835240] Object 0xffff8804097a93d0: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1180.835240] Object 0xffff8804097a93e0: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1180.835240] Object 0xffff8804097a93f0: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1180.835240] Object 0xffff8804097a9400: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1180.835240] Object 0xffff8804097a9410: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1180.835240] Object 0xffff8804097a9420: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1180.835240] Object 0xffff8804097a9430: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1180.835240] Object 0xffff8804097a9440: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1180.835240] Object 0xffff8804097a9450: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1180.835240] Object 0xffff8804097a9460: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1180.835240] Object 0xffff8804097a9470: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1180.835240] Object 0xffff8804097a9480: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1180.835240] Object 0xffff8804097a9490: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1180.835240] Object 0xffff8804097a94a0: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1180.835240] Object 0xffff8804097a94b0: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1180.835240] Object 0xffff8804097a94c0: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1180.835240] Object 0xffff8804097a94d0: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1180.835240] Object 0xffff8804097a94e0: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1180.835240] Object 0xffff8804097a94f0: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1180.835240] Object 0xffff8804097a9500: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1180.835240] Object 0xffff8804097a9510: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b a5 kkkkkkkkkkkkkkk¥
[ 1180.835240] Redzone 0xffff8804097a9520: cc cc cc cc cc cc cc cc
ÌÌÌÌÌÌÌÌ
[ 1180.835240] Padding 0xffff8804097a9560: 5a 5a 5a 5a 5a 5a 00 00
ZZZZZZ..
[ 1180.835240] Pid: 8295, comm: kworker/5:0 Not tainted 3.0.0-rc2 #1
[ 1180.835240] Call Trace:
[ 1180.835240] [<ffffffff810ba41d>] ? check_bytes_and_report+0x10d/0x150
[ 1180.835240] [<ffffffff810ba509>] ? check_object+0xa9/0x260
[ 1180.835240] [<ffffffff8125acf7>] ? tty_buffer_free_all+0x47/0x70
[ 1180.835240] [<ffffffff810bb033>] ? free_debug_processing+0x133/0x250
[ 1180.835240] [<ffffffff810bb27b>] ? __slab_free+0x12b/0x140
[ 1180.835240] [<ffffffff81254c70>] ? free_tty_struct+0x30/0x30
[ 1180.835240] [<ffffffff8125acf7>] ? tty_buffer_free_all+0x47/0x70
[ 1180.835240] [<ffffffff81254c66>] ? free_tty_struct+0x26/0x30
[ 1180.835240] [<ffffffff8104f28b>] ? process_one_work+0xfb/0x3b0
[ 1180.835240] [<ffffffff8104f964>] ? worker_thread+0x144/0x3d0
[ 1180.835240] [<ffffffff8102cc10>] ? __wake_up_common+0x50/0x80
[ 1180.835240] [<ffffffff8104f820>] ? rescuer_thread+0x2e0/0x2e0
[ 1180.835240] [<ffffffff8104f820>] ? rescuer_thread+0x2e0/0x2e0
[ 1180.835240] [<ffffffff81053436>] ? kthread+0x96/0xa0
[ 1180.835240] [<ffffffff813e1d14>] ? kernel_thread_helper+0x4/0x10
[ 1180.835240] [<ffffffff810533a0>] ? kthread_worker_fn+0x120/0x120
[ 1180.835240] [<ffffffff813e1d10>] ? gs_change+0xb/0xb
[ 1180.835240] FIX kmalloc-1024: Restoring
0xffff8804097a9566-0xffff8804097a9567=0x5a
[ 1180.835240]
[ 1180.881652]
=============================================================================
[ 1180.881713] BUG kmalloc-1024: Object padding overwritten
[ 1180.881760]
-----------------------------------------------------------------------------
[ 1180.881763]
[ 1180.881859] INFO: 0xffff8803fc70eb06-0xffff8803fc70eb07. First byte
0x0 instead of 0x5a
[ 1180.881920] INFO: Allocated in tty_buffer_request_room+0xcc/0x1a0
age=69297 cpu=0 pid=5978
[ 1180.881981] INFO: Freed in __blockdev_direct_IO+0xa16/0xa90 age=69384
cpu=5 pid=5146
[ 1180.882040] INFO: Slab 0xffffea000df389c0 objects=29 used=3
fp=0xffff8803fc70de30 flags=0x8000000000004081
[ 1180.882099] INFO: Object 0xffff8803fc70e6c0 @offset=26304
fp=0xffff8803fc70de30
[ 1180.882102]
[ 1180.882192] Bytes b4 0xffff8803fc70e6b0: aa 40 01 00 01 00 00 00 5a
5a 5a 5a 5a 5a 5a 5a ª@......ZZZZZZZZ
[ 1180.882884] Object 0xffff8803fc70e6c0: 68 95 6c fc 03 88 ff ff e8
e6 70 fc 03 88 ff ff h.lü..ÿÿèæpü..ÿÿ
[ 1180.883583] Object 0xffff8803fc70e6d0: e8 e7 70 fc 03 88 ff ff 00
01 00 00 00 01 00 00 èçpü..ÿÿ........
[ 1180.884542] Object 0xffff8803fc70e6e0: 00 01 00 00 00 01 00 00 5b
20 20 20 20 32 2e 33 ........[....2.3
[ 1180.885223] Object 0xffff8803fc70e6f0: 32 30 38 31 38 5d 20 70 63
69 20 30 30 30 30 3a 20818].pci.0000:
[ 1180.886169] Object 0xffff8803fc70e700: 30 30 3a 30 34 2e 30 3a 20
50 4d 45 23 20 73 75 00:04.0:.PME#.su
[ 1180.886850] Object 0xffff8803fc70e710: 70 70 6f 72 74 65 64 20 66
72 6f 6d 20 44 30 20 pported.from.D0.
[ 1180.887535] Object 0xffff8803fc70e720: 44 33 68 6f 74 20 44 33 63
6f 6c 64 0d 0a 5b 20 D3hot.D3cold..[.
[ 1180.888848] Object 0xffff8803fc70e730: 20 20 20 32 2e 33 32 30 38
32 30 5d 20 70 63 69 ...2.320820].pci
[ 1180.889537] Object 0xffff8803fc70e740: 20 30 30 30 30 3a 30 30 3a
30 34 2e 30 3a 20 50 .0000:00:04.0:.P
[ 1180.890481] Object 0xffff8803fc70e750: 4d 45 23 20 64 69 73 61 62
6c 65 64 0d 0a 5b 20 ME#.disabled..[.
[ 1180.891161] Object 0xffff8803fc70e760: 20 20 20 32 2e 33 32 30 38
33 36 5d 20 70 63 69 ...2.320836].pci
[ 1180.891365] Object 0xffff8803fc70e770: 20 30 30 30 30 3a 30 30 3a
30 39 2e 30 3a 20 5b .0000:00:09.0:.[
[ 1180.891365] Object 0xffff8803fc70e780: 31 30 32 32 3a 39 36 30 38
5d 20 74 79 70 65 20 1022:9608].type.
[ 1180.891365] Object 0xffff8803fc70e790: 31 20 63 6c 61 73 73 20 30
78 30 30 30 36 30 34 1.class.0x000604
[ 1180.891365] Object 0xffff8803fc70e7a0: 0d 0a 5b 20 20 20 20 32 2e
33 32 30 38 35 35 5d ..[....2.320855]
[ 1180.891365] Object 0xffff8803fc70e7b0: 20 70 63 69 20 30 30 30 30
3a 30 30 3a 30 39 2e .pci.0000:00:09.
[ 1180.891365] Object 0xffff8803fc70e7c0: 30 3a 20 50 4d 45 23 20 73
75 70 70 6f 72 74 65 0:.PME#.supporte
[ 1180.891365] Object 0xffff8803fc70e7d0: 64 20 66 72 6f 6d 20 44 30
20 44 33 68 6f 74 20 d.from.D0.D3hot.
[ 1180.891365] Object 0xffff8803fc70e7e0: 44 33 63 6f 6c 64 0d 0a 00
00 00 00 00 00 00 00 D3cold..........
[ 1180.891365] Object 0xffff8803fc70e7f0: 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 ................
[ 1180.891365] Object 0xffff8803fc70e800: 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 ................
[ 1180.891365] Object 0xffff8803fc70e810: 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 ................
[ 1180.891365] Object 0xffff8803fc70e820: 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 ................
[ 1180.891365] Object 0xffff8803fc70e830: 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 ................
[ 1180.891365] Object 0xffff8803fc70e840: 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 ................
[ 1180.891365] Object 0xffff8803fc70e850: 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 ................
[ 1180.891365] Object 0xffff8803fc70e860: 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 ................
[ 1180.891365] Object 0xffff8803fc70e870: 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 ................
[ 1180.891365] Object 0xffff8803fc70e880: 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 ................
[ 1180.891365] Object 0xffff8803fc70e890: 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 ................
[ 1180.891365] Object 0xffff8803fc70e8a0: 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 ................
[ 1180.891365] Object 0xffff8803fc70e8b0: 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 ................
[ 1180.891365] Object 0xffff8803fc70e8c0: 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 ................
[ 1180.891365] Object 0xffff8803fc70e8d0: 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 ................
[ 1180.891365] Object 0xffff8803fc70e8e0: 00 00 00 00 00 00 00 00 6b
6b 6b 6b 6b 6b 6b 6b ........kkkkkkkk
[ 1180.891365] Object 0xffff8803fc70e8f0: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1180.891365] Object 0xffff8803fc70e900: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1180.891365] Object 0xffff8803fc70e910: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1180.891365] Object 0xffff8803fc70e920: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1180.891365] Object 0xffff8803fc70e930: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1180.891365] Object 0xffff8803fc70e940: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1180.891365] Object 0xffff8803fc70e950: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1180.891365] Object 0xffff8803fc70e960: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1180.891365] Object 0xffff8803fc70e970: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1180.891365] Object 0xffff8803fc70e980: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1180.891365] Object 0xffff8803fc70e990: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1180.891365] Object 0xffff8803fc70e9a0: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1180.891365] Object 0xffff8803fc70e9b0: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1180.891365] Object 0xffff8803fc70e9c0: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1180.891365] Object 0xffff8803fc70e9d0: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1180.891365] Object 0xffff8803fc70e9e0: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1180.891365] Object 0xffff8803fc70e9f0: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1180.891365] Object 0xffff8803fc70ea00: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1180.891365] Object 0xffff8803fc70ea10: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1180.891365] Object 0xffff8803fc70ea20: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1180.891365] Object 0xffff8803fc70ea30: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1180.891365] Object 0xffff8803fc70ea40: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1180.891365] Object 0xffff8803fc70ea50: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1180.891365] Object 0xffff8803fc70ea60: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1180.891365] Object 0xffff8803fc70ea70: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1180.891365] Object 0xffff8803fc70ea80: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1180.891365] Object 0xffff8803fc70ea90: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1180.891365] Object 0xffff8803fc70eaa0: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 1180.891365] Object 0xffff8803fc70eab0: 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b 6b a5 kkkkkkkkkkkkkkk¥
[ 1180.891365] Redzone 0xffff8803fc70eac0: cc cc cc cc cc cc cc cc
ÌÌÌÌÌÌÌÌ
[ 1180.891365] Padding 0xffff8803fc70eb00: 5a 5a 5a 5a 5a 5a 00 00
ZZZZZZ..
[ 1180.891365] Pid: 8295, comm: kworker/5:0 Not tainted 3.0.0-rc2 #1
[ 1180.891365] Call Trace:
[ 1180.891365] [<ffffffff810ba41d>] ? check_bytes_and_report+0x10d/0x150
[ 1180.891365] [<ffffffff810ba509>] ? check_object+0xa9/0x260
[ 1180.891365] [<ffffffff8125acf7>] ? tty_buffer_free_all+0x47/0x70
[ 1180.891365] [<ffffffff810bb033>] ? free_debug_processing+0x133/0x250
[ 1180.891365] [<ffffffff810bb27b>] ? __slab_free+0x12b/0x140
[ 1180.891365] [<ffffffff81254c70>] ? free_tty_struct+0x30/0x30
[ 1180.891365] [<ffffffff8125acf7>] ? tty_buffer_free_all+0x47/0x70
[ 1180.891365] [<ffffffff81254c66>] ? free_tty_struct+0x26/0x30
[ 1180.891365] [<ffffffff8104f28b>] ? process_one_work+0xfb/0x3b0
[ 1180.891365] [<ffffffff8104f964>] ? worker_thread+0x144/0x3d0
[ 1180.891365] [<ffffffff8102cc10>] ? __wake_up_common+0x50/0x80
[ 1180.891365] [<ffffffff8104f820>] ? rescuer_thread+0x2e0/0x2e0
[ 1180.891365] [<ffffffff8104f820>] ? rescuer_thread+0x2e0/0x2e0
[ 1180.891365] [<ffffffff81053436>] ? kthread+0x96/0xa0
[ 1180.891365] [<ffffffff813e1d14>] ? kernel_thread_helper+0x4/0x10
[ 1180.891365] [<ffffffff810533a0>] ? kthread_worker_fn+0x120/0x120
[ 1180.891365] [<ffffffff813e1d10>] ? gs_change+0xb/0xb
[ 1180.891365] FIX kmalloc-1024: Restoring
0xffff8803fc70eb06-0xffff8803fc70eb07=0x5a
[ 1180.891365]