linux-kernel - Re: WARNING in enter_vmx

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Date:   Sat, 30 Mar 2019 03:33:00 -0700
From:   syzbot <syzbot+ab5d7a5d0fc0c7518f6d@...kaller.appspotmail.com>
To:     hpa@...or.com, jmattson@...gle.com, karahmed@...zon.de,
        kvm@...r.kernel.org, linux-kernel@...r.kernel.org,
        mingo@...hat.com, pbonzini@...hat.com, rkrcmar@...hat.com,
        syzkaller-bugs@...glegroups.com, tglx@...utronix.de, x86@...nel.org
Subject: Re: WARNING in enter_vmx_operation

syzbot has bisected this bug to:

commit 8fcc4b5923af5de58b80b53a069453b135693304
Author: Jim Mattson <jmattson@...gle.com>
Date:   Tue Jul 10 09:27:20 2018 +0000

     kvm: nVMX: Introduce KVM_CAP_NESTED_STATE

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=16dc157d200000
start commit:   3f16503b Merge branch 'fixes' of git://git.kernel.org/pub/..
git tree:       upstream
final crash:    https://syzkaller.appspot.com/x/report.txt?x=15dc157d200000
console output: https://syzkaller.appspot.com/x/log.txt?x=11dc157d200000
kernel config:  https://syzkaller.appspot.com/x/.config?x=49927b422dcf0b29
dashboard link: https://syzkaller.appspot.com/bug?extid=ab5d7a5d0fc0c7518f6d
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=132365a6400000

Reported-by: syzbot+ab5d7a5d0fc0c7518f6d@...kaller.appspotmail.com
Fixes: 8fcc4b5923af ("kvm: nVMX: Introduce KVM_CAP_NESTED_STATE")

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