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From: Sean Christopherson <sean.j.christopherson@intel.com>
To: Paolo Bonzini <pbonzini@redhat.com>
Cc: Vitaly Kuznetsov <vkuznets@redhat.com>,
	Wanpeng Li <wanpengli@tencent.com>,
	Jim Mattson <jmattson@google.com>, Joerg Roedel <joro@8bytes.org>,
	kvm@vger.kernel.org, linux-kernel@vger.kernel.org,
	syzbot+904752567107eefb728c@syzkaller.appspotmail.com
Subject: Re: [PATCH] KVM: x86: Initialize tdp_level during vCPU creation
Date: Wed, 27 May 2020 10:06:13 -0700	[thread overview]
Message-ID: <20200527170612.GA24930@linux.intel.com> (raw)
In-Reply-To: <078365dd-64ff-4f3c-813c-3d9fc955ed1a@redhat.com>

On Wed, May 27, 2020 at 06:56:19PM +0200, Paolo Bonzini wrote:
> On 27/05/20 18:29, Sean Christopherson wrote:
> > Ya.  syzbot is hitting a #GP due to NULL pointer during debugfs on the exact
> > same sequence.  I haven't been able to reproduce that one (have yet to try
> > syzbot's exact config), but it's another example of a "dumb" test hitting
> > meaningful bugs.
> 
> Saw that, it's mine. :)

All yours.  I as hoping it would be easily reproducible and fixable while I
was looking at the MMU BUG(), but that didn't happen.

  reply	other threads:[~2020-05-27 17:08 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-05-27  8:54 [PATCH] KVM: x86: Initialize tdp_level during vCPU creation Sean Christopherson
2020-05-27 10:03 ` Vitaly Kuznetsov
2020-05-27 16:15   ` Paolo Bonzini
2020-05-27 16:23     ` Sean Christopherson
2020-05-27 16:56       ` Paolo Bonzini
2020-05-28  2:27         ` Sean Christopherson
2020-05-27 16:17 ` Paolo Bonzini
2020-05-27 16:29   ` Sean Christopherson
2020-05-27 16:56     ` Paolo Bonzini
2020-05-27 17:06       ` Sean Christopherson [this message]
2020-05-28 19:46     ` Sean Christopherson
2020-05-29  7:46       ` Vitaly Kuznetsov
2020-05-29 13:06         ` Sean Christopherson

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