linux-kernel - Re: [syzbot] general protection fault in nf_tables_dump

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Message-ID: <CACT4Y+b7hhoZeEy_V2FgB5Tq39vGq797QyEsWFkXFnXySoqEpQ@mail.gmail.com>
Date:   Mon, 25 Oct 2021 10:59:08 +0200
From:   Dmitry Vyukov <dvyukov@...gle.com>
To:     syzbot <syzbot+0e3358e5ebb1956c271d@...kaller.appspotmail.com>
Cc:     coreteam@...filter.org, davem@...emloft.net, fw@...len.de,
        kadlec@...filter.org, kuba@...nel.org,
        linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
        netfilter-devel@...r.kernel.org, pablo@...filter.org,
        syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] general protection fault in nf_tables_dump_tables

On Mon, 25 Oct 2021 at 09:42, syzbot
<syzbot+0e3358e5ebb1956c271d@...kaller.appspotmail.com> wrote:
>
> syzbot suspects this issue was fixed by commit:
>
> commit a499b03bf36b0c2e3b958a381d828678ab0ffc5e
> Author: Florian Westphal <fw@...len.de>
> Date:   Mon Sep 13 12:42:33 2021 +0000
>
>     netfilter: nf_tables: unlink table before deleting it
>
> bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=13efcb0cb00000
> start commit:   9bc62afe03af Merge tag 'net-5.15-rc3' of git://git.kernel...
> git tree:       net
> kernel config:  https://syzkaller.appspot.com/x/.config?x=e917f3dfc452c977
> dashboard link: https://syzkaller.appspot.com/bug?extid=0e3358e5ebb1956c271d
> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=14374e5f300000
>
> If the result looks correct, please mark the issue as fixed by replying with:
>
> #syz fix: netfilter: nf_tables: unlink table before deleting it
>
> For information about bisection process see: https://goo.gl/tpsmEJ#bisection

Looks legit:

#syz fix: netfilter: nf_tables: unlink table before deleting it