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

From: Florian Westphal
Date: Thu Oct 07 2021 - 09:26:20 EST


syzbot <syzbot+8cc940a9689599e10587@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote:
> syzbot suspects this issue was fixed by commit:
>
> commit a499b03bf36b0c2e3b958a381d828678ab0ffc5e
> Author: Florian Westphal <fw@xxxxxxxxx>
> 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