netdev - Re: [syzbot] KASAN: use-after-free Read in nf_tables_dump

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Date:   Thu, 7 Oct 2021 15:26:09 +0200
From:   Florian Westphal <fw@...len.de>
To:     syzbot <syzbot+8cc940a9689599e10587@...kaller.appspotmail.com>
Cc:     kadlec@...filter.org, linux-kernel@...r.kernel.org,
        netdev@...r.kernel.org, netfilter-devel@...r.kernel.org,
        syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] KASAN: use-after-free Read in nf_tables_dump_sets

syzbot <syzbot+8cc940a9689599e10587@...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=13018e98b00000
> start commit:   f9be84db09d2 net: bonding: bond_alb: Remove the dependency..
> git tree:       net-next
> kernel config:  https://syzkaller.appspot.com/x/.config?x=8075b2614f3db143
> dashboard link: https://syzkaller.appspot.com/bug?extid=8cc940a9689599e10587
> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=15fbb98e300000
> 
> If the result looks correct, please mark the issue as fixed by replying with:

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