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Date: Sun, 27 Feb 2022 19:07:07 +0100
From: Florian Westphal <fw@...len.de>
To: Eric Dumazet <eric.dumazet@...il.com>
Cc: Pablo Neira Ayuso <pablo@...filter.org>,
Jozsef Kadlecsik <kadlec@...ckhole.kfki.hu>,
Florian Westphal <fw@...len.de>,
netfilter-devel@...r.kernel.org, netdev <netdev@...r.kernel.org>,
Eric Dumazet <edumazet@...gle.com>,
syzbot <syzkaller@...glegroups.com>
Subject: Re: [PATCH nf] netfilter: fix use-after-free in
__nf_register_net_hook()
Eric Dumazet <eric.dumazet@...il.com> wrote:
> We must not dereference @new_hooks after nf_hook_mutex has been released,
> because other threads might have freed our allocated hooks already.
Oh, right you are.
Acked-by: Florian Westphal <fw@...len.de>
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