linux-kernel - Re: general protection fault in hash_ipportnet4

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Message-ID: <000000000000adcc3c059ba3b9e9@google.com>
Date:   Wed, 08 Jan 2020 08:53:00 -0800
From:   syzbot <syzbot+34bd2369d38707f3f4a7@...kaller.appspotmail.com>
To:     allison@...utok.net, coreteam@...filter.org, davem@...emloft.net,
        fw@...len.de, gregkh@...uxfoundation.org, info@...ux.net,
        jengelh@...i.de, jeremy@...zel.net, kadlec@...ckhole.kfki.hu,
        kadlec@...filter.org, kstewart@...uxfoundation.org,
        linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
        netfilter-devel@...r.kernel.org, pablo@...filter.org,
        syzkaller-bugs@...glegroups.com, tglx@...utronix.de
Subject: Re: general protection fault in hash_ipportnet4_uadt

syzbot has bisected this bug to:

commit 23c42a403a9cfdbad6004a556c927be7dd61a8ee
Author: Jozsef Kadlecsik <kadlec@...ckhole.kfki.hu>
Date:   Sat Oct 27 13:07:40 2018 +0000

     netfilter: ipset: Introduction of new commands and protocol version 7

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=13a9d115e00000
start commit:   ae608821 Merge tag 'trace-v5.5-rc5' of git://git.kernel.or..
git tree:       upstream
final crash:    https://syzkaller.appspot.com/x/report.txt?x=1069d115e00000
console output: https://syzkaller.appspot.com/x/log.txt?x=17a9d115e00000
kernel config:  https://syzkaller.appspot.com/x/.config?x=18698c0c240ba616
dashboard link: https://syzkaller.appspot.com/bug?extid=34bd2369d38707f3f4a7
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=118d6971e00000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=11b47c9ee00000

Reported-by: syzbot+34bd2369d38707f3f4a7@...kaller.appspotmail.com
Fixes: 23c42a403a9c ("netfilter: ipset: Introduction of new commands and  
protocol version 7")

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