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

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Message-ID: <0000000000000b920e05cdc31f01@google.com>
Date:   Thu, 07 Oct 2021 06:20:06 -0700
From:   syzbot <syzbot+8cc940a9689599e10587@...kaller.appspotmail.com>
To:     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] KASAN: use-after-free Read in nf_tables_dump_sets

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

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