Re: NULL-ptr deref in kvm_arch_vcpu_ioctl under AMD CPUs

From	Dmitry Vyukov <dvyukov@google.com>
Newsgroups	linux.kernel
Subject	Re: NULL-ptr deref in kvm_arch_vcpu_ioctl under AMD CPUs
Date	2016-08-19 03:30 +0200
Message-ID	<s7GNc-7nF-27@gated-at.bofh.it> (permalink)
References	<r3TUS-6ct-11@gated-at.bofh.it> <s7u9k-7K4-21@gated-at.bofh.it>
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On Thu, Aug 18, 2016 at 4:58 AM, Paolo Bonzini <pbonzini@redhat.com> wrote:
>
>
> On 19/02/2016 15:06, Robert Święcki wrote:
>> Hi,
>>
>> This seems non-exploitable due to mmap_min_addr, so I guess it should
>> be treated just as a regular bug
>
> Probably fixed by commit 4c5ea0a9cd02 ("locking/static_key: Fix
> concurrent static_key_slow_inc()", 2016-06-21).  There should be no
> outstanding syzkaller reports for KVM now!

Thanks for the update. I will try to reenable kvm fuzzing on my
syzkaller instances.
Just to make sure, you mean all bugs prefixed with kvm: here, right?
https://github.com/google/syzkaller/wiki/Found-Bugs

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Re: NULL-ptr deref in kvm_arch_vcpu_ioctl under AMD CPUs Paolo Bonzini <pbonzini@redhat.com> - 2016-08-18 14:00 +0200
  Re: NULL-ptr deref in kvm_arch_vcpu_ioctl under AMD CPUs Dmitry Vyukov <dvyukov@google.com> - 2016-08-19 03:30 +0200

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