linux-kernel - Re: BUG: corrupted list in nft_obj

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Message-ID: <000000000000d7aad9059c3b93b7@google.com>
Date:   Wed, 15 Jan 2020 22:03:00 -0800
From:   syzbot <syzbot+6ca99af7e70e298bd09d@...kaller.appspotmail.com>
To:     coreteam@...filter.org, davem@...emloft.net, fw@...len.de,
        kadlec@...ckhole.kfki.hu, kadlec@...filter.org,
        kuznet@....inr.ac.ru, linux-kernel@...r.kernel.org,
        netdev@...r.kernel.org, netfilter-devel@...r.kernel.org,
        pablo@...filter.org, syzkaller-bugs@...glegroups.com,
        yoshfuji@...ux-ipv6.org
Subject: Re: BUG: corrupted list in nft_obj_del

syzbot has bisected this bug to:

commit 20651cefd25ffa77a15cab5853b175a6dc975ec2
Author: Florian Westphal <fw@...len.de>
Date:   Tue Jan 9 13:30:48 2018 +0000

     netfilter: x_tables: unbreak module auto loading

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=1073a33ee00000
start commit:   8b792f84 Merge branch 'mlxsw-Various-fixes'
git tree:       net
final crash:    https://syzkaller.appspot.com/x/report.txt?x=1273a33ee00000
console output: https://syzkaller.appspot.com/x/log.txt?x=1473a33ee00000
kernel config:  https://syzkaller.appspot.com/x/.config?x=7e89bd00623fe71e
dashboard link: https://syzkaller.appspot.com/bug?extid=6ca99af7e70e298bd09d
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=168b95e1e00000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=10f29b3ee00000

Reported-by: syzbot+6ca99af7e70e298bd09d@...kaller.appspotmail.com
Fixes: 20651cefd25f ("netfilter: x_tables: unbreak module auto loading")

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