linux-kernel - Re: [syzbot] [kvm?] WARNING in vcpu

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Message-ID: <67580bfc.050a0220.a30f1.01c7.GAE@google.com>
Date: Tue, 10 Dec 2024 01:38:04 -0800
From: syzbot <syzbot+1522459a74d26b0ac33a@...kaller.appspotmail.com>
To: bp@...en8.de, dave.hansen@...ux.intel.com, hpa@...or.com, 
	kvm@...r.kernel.org, linux-kernel@...r.kernel.org, mingo@...hat.com, 
	pbonzini@...hat.com, seanjc@...gle.com, syzkaller-bugs@...glegroups.com, 
	tglx@...utronix.de, x86@...nel.org
Subject: Re: [syzbot] [kvm?] WARNING in vcpu_run

syzbot has bisected this issue to:

commit 45405155d876c326da89162b8173b8cc9ab7ed75
Author: Sean Christopherson <seanjc@...gle.com>
Date:   Fri Jun 7 17:26:09 2024 +0000

    KVM: x86: WARN if a vCPU gets a valid wakeup that KVM can't yet inject

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=11ac34df980000
start commit:   ae90f6a6170d Merge tag 'bpf-fixes' of git://git.kernel.org..
git tree:       upstream
final oops:     https://syzkaller.appspot.com/x/report.txt?x=13ac34df980000
console output: https://syzkaller.appspot.com/x/log.txt?x=15ac34df980000
kernel config:  https://syzkaller.appspot.com/x/.config?x=309bb816d40abc28
dashboard link: https://syzkaller.appspot.com/bug?extid=1522459a74d26b0ac33a
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=158d0230580000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=12f8de40580000

Reported-by: syzbot+1522459a74d26b0ac33a@...kaller.appspotmail.com
Fixes: 45405155d876 ("KVM: x86: WARN if a vCPU gets a valid wakeup that KVM can't yet inject")

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