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From: syzbot <syzbot+f1d2136db9c80d4733e8@syzkaller.appspotmail.com>
To: bp@alien8.de, dave.hansen@linux.intel.com, fgheet255t@gmail.com,
	hpa@zytor.com, jmattson@google.com, joro@8bytes.org,
	kvm@vger.kernel.org, linux-kernel@vger.kernel.org,
	mingo@redhat.com, mlevitsk@redhat.com, pbonzini@redhat.com,
	seanjc@google.com, syzkaller-bugs@googlegroups.com,
	tglx@linutronix.de, vkuznets@redhat.com, wanpengli@tencent.com,
	x86@kernel.org
Subject: Re: [syzbot] WARNING in nested_vmx_vmexit
Date: Tue, 07 Dec 2021 11:19:14 -0800	[thread overview]
Message-ID: <000000000000af941b05d2933f28@google.com> (raw)
In-Reply-To: <00000000000051f90e05d2664f1d@google.com>

syzbot has bisected this issue to:

commit c8607e4a086fae05efe5bffb47c5199c65e7216e
Author: Maxim Levitsky <mlevitsk@redhat.com>
Date:   Mon Sep 13 14:09:53 2021 +0000

    KVM: x86: nVMX: don't fail nested VM entry on invalid guest state if !from_vmentry

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=10f21e3ab00000
start commit:   f80ef9e49fdf Merge tag 'docs-5.16-3' of git://git.lwn.net/..
git tree:       upstream
final oops:     https://syzkaller.appspot.com/x/report.txt?x=12f21e3ab00000
console output: https://syzkaller.appspot.com/x/log.txt?x=14f21e3ab00000
kernel config:  https://syzkaller.appspot.com/x/.config?x=7d5e878e3399b6cc
dashboard link: https://syzkaller.appspot.com/bug?extid=f1d2136db9c80d4733e8
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=1603533ab00000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=175b5f3db00000

Reported-by: syzbot+f1d2136db9c80d4733e8@syzkaller.appspotmail.com
Fixes: c8607e4a086f ("KVM: x86: nVMX: don't fail nested VM entry on invalid guest state if !from_vmentry")

For information about bisection process see: https://goo.gl/tpsmEJ#bisection

      parent reply	other threads:[~2021-12-07 19:19 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-12-05 13:42 [syzbot] WARNING in nested_vmx_vmexit syzbot
2021-12-06  9:16 ` Vitaly Kuznetsov
2021-12-06 16:05   ` Sean Christopherson
2021-12-06 16:16     ` Vitaly Kuznetsov
2021-12-06 16:45       ` Sean Christopherson
2021-12-06 17:21       ` Sean Christopherson
2021-12-06 17:22         ` Sean Christopherson
2021-12-07  8:20       ` Maxim Levitsky
2021-12-07 11:20 ` syzbot
2021-12-07 19:19 ` syzbot [this message]

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