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Date:   Sat, 07 Dec 2019 21:03:00 -0800
From:   syzbot <syzbot+10189b9b0f8c4664badd@...kaller.appspotmail.com>
To:     acme@...nel.org, acme@...hat.com,
        alexander.shishkin@...ux.intel.com, arvid.brodin@...en.se,
        bp@...en8.de, davem@...emloft.net, eranian@...gle.com,
        hpa@...or.com, jolsa@...nel.org, jolsa@...hat.com,
        kan.liang@...ux.intel.com, linux-kernel@...r.kernel.org,
        mingo@...nel.org, mingo@...hat.com, netdev@...r.kernel.org,
        peterz@...radead.org, syzkaller-bugs@...glegroups.com,
        tglx@...utronix.de, torvalds@...ux-foundation.org,
        vincent.weaver@...ne.edu, x86@...nel.org, xiyou.wangcong@...il.com
Subject: Re: WARNING in perf_reg_value

syzbot suspects this bug was fixed by commit:

commit 311633b604063a8a5d3fbc74d0565b42df721f68
Author: Cong Wang <xiyou.wangcong@...il.com>
Date:   Wed Jul 10 06:24:54 2019 +0000

     hsr: switch ->dellink() to ->ndo_uninit()

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=13e241dae00000
start commit:   e01e060f Merge tag 'platform-drivers-x86-v5.2-3' of git://..
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=fa9f7e1b6a8bb586
dashboard link: https://syzkaller.appspot.com/bug?extid=10189b9b0f8c4664badd
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=16615caea00000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=14a222aea00000

If the result looks correct, please mark the bug fixed by replying with:

#syz fix: hsr: switch ->dellink() to ->ndo_uninit()

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

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