Re: [PATCH] netfilter: nf_tables: fix memory leak in nf_tables_parse_netdev_hooks()

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Subject: Re: [PATCH] netfilter: nf_tables: fix memory leak in nf_tables_parse_netdev_hooks()
From: Florian Westphal <fw@xxxxxxxxx>
Date: Thu, 16 Jan 2020 11:14:15 +0100
Cc: Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx>, coreteam@xxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, netdev@xxxxxxxxxxxxxxx, netfilter-devel@xxxxxxxxxxxxxxx, syzkaller-bugs@xxxxxxxxxxxxxxxx, Jozsef Kadlecsik <kadlec@xxxxxxxxxxxxx>, Florian Westphal <fw@xxxxxxxxx>, "David S. Miller" <davem@xxxxxxxxxxxxx>, syzbot <syzbot+f9d4095107fc8749c69c@xxxxxxxxxxxxxxxxxxxxxxxxx>
In-reply-to: <20200116100931.ot2ef4jvsw4ldye2@kili.mountain>
User-agent: Mutt/1.10.1 (2018-07-13)

Dan Carpenter <dan.carpenter@xxxxxxxxxx> wrote:
> Syzbot detected a leak in nf_tables_parse_netdev_hooks().  If the hook
> already exists, then the error handling doesn't free the newest "hook".

Thanks.

Reviewed-by: Florian Westphal <fw@xxxxxxxxx>

References:
- memory leak in nf_tables_parse_netdev_hooks
  - From: syzbot
- [PATCH] netfilter: nf_tables: fix memory leak in nf_tables_parse_netdev_hooks()
  - From: Dan Carpenter

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