On 2017/4/10 22:06, Mel Gorman wrote:
> On Mon, Apr 10, 2017 at 08:10:06PM +0800, zhong jiang wrote:
>> On 2017/4/10 16:56, Mel Gorman wrote:
>>> On Sat, Apr 08, 2017 at 09:39:42PM +0800, zhong jiang wrote:
>>>> when runing the stabile docker cases in the vm. The following issue will come up.
>>>>
>>>> #40 [ffff8801b57ffb30] async_page_fault at ffffffff8165c9f8
>>>> [exception RIP: down_read_trylock+5]
>>>> RIP: ffffffff810aca65 RSP: ffff8801b57ffbe8 RFLAGS: 00010202
>>>> RAX: 0000000000000000 RBX: ffff88018ae858c1 RCX: 0000000000000000
>>>> RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000008
>>>> RBP: ffff8801b57ffc10 R8: ffffea0006903de0 R9: ffff8800b3c61810
>>>> R10: 00000000000022cb R11: 0000000000000000 R12: ffff88018ae858c0
>>>> R13: ffffea0006903dc0 R14: 0000000000000008 R15: ffffea0006903dc0
>>>> ORIG_RAX: ffffffffffffffff CS: 0010 SS: 0000
>>> Post the full report including the kernel version and state whether any
>>> additional patches to 3.10 are applied.
>>>
>> Hi, Mel
>>
>> Our kernel from RHEL 7.2, Addtional patches all from upstream -- include Bugfix and CVE.
>>
>> Commit 624483f3ea8 ("mm: rmap: fix use-after-free in __put_anon_vma") exclude in
>> the RHEL 7.2. it looks seems to the issue. but I don't know how it triggered.
>> or it is not the correct fix. Any suggestion? Thanks
>>
> I'm afraid you'll need to bring it up with RHEL support as it contains
> a number of backported patches from them that cannot be meaningfully
> evaluated outside of RedHat and they may have additional questions on the
> patches applied on top.
>
Thanks
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