Re: [KVM] BUG: unable to handle kernel NULL pointer dereference at 00000000000002b0

From: Jet Chen
Date: Mon Apr 28 2014 - 09:52:39 EST


On 04/28/2014 07:34 PM, Paolo Bonzini wrote:
> Il 28/04/2014 11:54, Jet Chen ha scritto:
>>>>>> We noticed the below kernel BUG on
>>>>>>
>>>>>> git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
>>>>
>>>> What commit?
>>>>
>> This one,
>>
>> git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
>>
>> commit 93c4adc7afedf9b0ec190066d45b6d67db5270da
>> Author: Paolo Bonzini <pbonzini@xxxxxxxxxx>
>> AuthorDate: Wed Mar 5 23:19:52 2014 +0100
>> Commit: Paolo Bonzini <pbonzini@xxxxxxxxxx>
>> CommitDate: Mon Mar 17 12:21:39 2014 +0100
>>
>> KVM: x86: handle missing MPX in nested virtualization
>>
>>
>> BTW, the same issue has been reported by Fengguang last month.
>>
>> https://lkml.org/lkml/2014/3/26/200
>
> It should have been fixed already by commit 920c83778569 (KVM: vmx: fix
> MPX detection, 2014-03-26). That's why I was confused, I thought it was
> for a recent commit on Linus's master branch.

You're right, Paolo. It have been fixed already by commit 920c83778569. Sorry for this noisy duplicated report.
We found this issued commit on git://git.kernel.org/pub/scm/virt/kvm/kvm.git tree at first. When that commit entered mainline, we tested it again and I reported by mistake.

>
> Paolo
>
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