linux-kernel - Re: [syzbot] WARNING: ODEBUG bug in kvm_xen_vcpu_set

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Date:   Sat, 23 Jul 2022 18:43:07 -0700
From:   syzbot <syzbot+e54f930ed78eb0f85281@...kaller.appspotmail.com>
To:     dwmw@...zon.co.uk, joao.m.martins@...cle.com,
        linux-kernel@...r.kernel.org, pbonzini@...hat.com,
        syzkaller-bugs@...glegroups.com, tglx@...utronix.de
Subject: Re: [syzbot] WARNING: ODEBUG bug in kvm_xen_vcpu_set_attr

syzbot has bisected this issue to:

commit 536395260582be7443b0b35b0bbb89ffe3947f62
Author: Joao Martins <joao.m.martins@...cle.com>
Date:   Thu Mar 3 15:41:22 2022 +0000

    KVM: x86/xen: handle PV timers oneshot mode

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=1607b2c2080000
start commit:   70664fc10c0d Merge tag 'riscv-for-linus-5.19-rc8' of git:/..
git tree:       upstream
final oops:     https://syzkaller.appspot.com/x/report.txt?x=1507b2c2080000
console output: https://syzkaller.appspot.com/x/log.txt?x=1107b2c2080000
kernel config:  https://syzkaller.appspot.com/x/.config?x=95c061eee05f8e15
dashboard link: https://syzkaller.appspot.com/bug?extid=e54f930ed78eb0f85281
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=13e058ce080000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=151b2ec2080000

Reported-by: syzbot+e54f930ed78eb0f85281@...kaller.appspotmail.com
Fixes: 536395260582 ("KVM: x86/xen: handle PV timers oneshot mode")

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