linux-kernel - Re: BUG: soft lockup in kvm_vm

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Message-ID: <000000000000958aa50584c851b7@google.com>
Date:   Sat, 23 Mar 2019 12:53:00 -0700
From:   syzbot <syzbot+6349a512c2938b2ad058@...kaller.appspotmail.com>
To:     andrea.parri@...rulasolutions.com, jpoimboe@...hat.com,
        linux-kernel@...r.kernel.org, luto@...nel.org, mingo@...nel.org,
        peterz@...radead.org, riel@...riel.com,
        syzkaller-bugs@...glegroups.com, tglx@...utronix.de,
        torvalds@...ux-foundation.org
Subject: Re: BUG: soft lockup in kvm_vm_release

syzbot has bisected this bug to:

commit 80eb865768703c0f85a0603762742ae1dedf21f0
Author: Andrea Parri <andrea.parri@...rulasolutions.com>
Date:   Tue Nov 27 11:01:10 2018 +0000

     sched/fair: Clean up comment in nohz_idle_balance()

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=1362209b200000
start commit:   57902dc0 Merge tag 'riscv-for-linus-5.0-rc7' of git://git...
git tree:       upstream
final crash:    https://syzkaller.appspot.com/x/report.txt?x=10e2209b200000
console output: https://syzkaller.appspot.com/x/log.txt?x=1762209b200000
kernel config:  https://syzkaller.appspot.com/x/.config?x=ee434566c893c7b1
dashboard link: https://syzkaller.appspot.com/bug?extid=6349a512c2938b2ad058
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=14287e78c00000

Reported-by: syzbot+6349a512c2938b2ad058@...kaller.appspotmail.com
Fixes: 80eb86576870 ("sched/fair: Clean up comment in nohz_idle_balance()")

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