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Date:   Tue, 21 May 2019 20:16:01 -0700
From:   syzbot <syzbot+94cc2a66fc228b23f360@...kaller.appspotmail.com>
To:     Yong.Zhao@....com, airlied@...ux.ie, alexander.deucher@....com,
        amd-gfx@...ts.freedesktop.org, ast@...nel.org, bpf@...r.kernel.org,
        christian.koenig@....com, daniel@...ll.ch, daniel@...earbox.net,
        davem@...emloft.net, david1.zhou@....com,
        dri-devel@...ts.freedesktop.org, evan.quan@....com,
        felix.kuehling@....com, harry.wentland@....com, kafai@...com,
        kuznet@....inr.ac.ru, linux-kernel@...r.kernel.org,
        netdev@...r.kernel.org, ozeng@....com, ray.huang@....com,
        rex.zhu@....com, songliubraving@...com,
        syzkaller-bugs@...glegroups.com, yhs@...com, yong.zhao@....com,
        yoshfuji@...ux-ipv6.org
Subject: Re: WARNING: locking bug in inet_autobind

syzbot has bisected this bug to:

commit c0d9271ecbd891cdeb0fad1edcdd99ee717a655f
Author: Yong Zhao <Yong.Zhao@....com>
Date:   Fri Feb 1 23:36:21 2019 +0000

     drm/amdgpu: Delete user queue doorbell variables

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=1433ece4a00000
start commit:   f49aa1de Merge tag 'for-5.2-rc1-tag' of git://git.kernel.o..
git tree:       net-next
final crash:    https://syzkaller.appspot.com/x/report.txt?x=1633ece4a00000
console output: https://syzkaller.appspot.com/x/log.txt?x=1233ece4a00000
kernel config:  https://syzkaller.appspot.com/x/.config?x=fc045131472947d7
dashboard link: https://syzkaller.appspot.com/bug?extid=94cc2a66fc228b23f360
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=163731f8a00000

Reported-by: syzbot+94cc2a66fc228b23f360@...kaller.appspotmail.com
Fixes: c0d9271ecbd8 ("drm/amdgpu: Delete user queue doorbell variables")

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

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