linux-kernel - Re: WARNING: proc registration bug in snmp6_register

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Date:   Wed, 06 May 2020 02:42:05 -0700
From:   syzbot <syzbot+1d51c8b74efa4c44adeb@...kaller.appspotmail.com>
To:     ap420073@...il.com, davem@...emloft.net, edumazet@...gle.com,
        hdanton@...a.com, kuba@...nel.org, kuznet@....inr.ac.ru,
        linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
        syzkaller-bugs@...glegroups.com, xiyou.wangcong@...il.com,
        yoshfuji@...ux-ipv6.org
Subject: Re: WARNING: proc registration bug in snmp6_register_dev

syzbot has bisected this bug to:

commit e0a4b99773d3d8d3fb40087805f8fd858a23e582
Author: Taehee Yoo <ap420073@...il.com>
Date:   Fri Feb 28 18:02:10 2020 +0000

    hsr: use upper/lower device infrastructure

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=14811182100000
start commit:   ac935d22 Add linux-next specific files for 20200415
git tree:       linux-next
final crash:    https://syzkaller.appspot.com/x/report.txt?x=16811182100000
console output: https://syzkaller.appspot.com/x/log.txt?x=12811182100000
kernel config:  https://syzkaller.appspot.com/x/.config?x=bc498783097e9019
dashboard link: https://syzkaller.appspot.com/bug?extid=1d51c8b74efa4c44adeb
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=148e6150100000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=115c379c100000

Reported-by: syzbot+1d51c8b74efa4c44adeb@...kaller.appspotmail.com
Fixes: e0a4b99773d3 ("hsr: use upper/lower device infrastructure")

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