linux-kernel - Re: WARNING in hwsim_new_radio

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Message-ID: <000000000000cb517b05a32c917b@google.com>
Date:   Mon, 13 Apr 2020 07:05:03 -0700
From:   syzbot <syzbot+a4aee3f42d7584d76761@...kaller.appspotmail.com>
To:     davem@...emloft.net, johannes@...solutions.net,
        kvalo@...eaurora.org, linux-kernel@...r.kernel.org,
        linux-wireless@...r.kernel.org, mathew.j.martineau@...ux.intel.com,
        matthieu.baerts@...sares.net, netdev@...r.kernel.org,
        pabeni@...hat.com, syzkaller-bugs@...glegroups.com
Subject: Re: WARNING in hwsim_new_radio_nl

syzbot has bisected this bug to:

commit 01cacb00b35cb62b139f07d5f84bcf0eeda8eff6
Author: Paolo Abeni <pabeni@...hat.com>
Date:   Fri Mar 27 21:48:51 2020 +0000

    mptcp: add netlink-based PM

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=10225bb3e00000
start commit:   4f8a3cc1 Merge tag 'x86-urgent-2020-04-12' of git://git.ke..
git tree:       upstream
final crash:    https://syzkaller.appspot.com/x/report.txt?x=12225bb3e00000
console output: https://syzkaller.appspot.com/x/log.txt?x=14225bb3e00000
kernel config:  https://syzkaller.appspot.com/x/.config?x=3bfbde87e8e65624
dashboard link: https://syzkaller.appspot.com/bug?extid=a4aee3f42d7584d76761
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=100825afe00000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=10df613fe00000

Reported-by: syzbot+a4aee3f42d7584d76761@...kaller.appspotmail.com
Fixes: 01cacb00b35c ("mptcp: add netlink-based PM")

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