netdev - Re: [PATCH net 2/2] netfilter: nf_tables: avoid potential overflows on 32bit arches

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Message-ID: <20210507075945.GB4320@salvia>
Date:   Fri, 7 May 2021 09:59:45 +0200
From:   Pablo Neira Ayuso <pablo@...filter.org>
To:     Eric Dumazet <eric.dumazet@...il.com>
Cc:     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>
Subject: Re: [PATCH net 2/2] netfilter: nf_tables: avoid potential overflows
 on 32bit arches

On Thu, May 06, 2021 at 05:53:50AM -0700, Eric Dumazet wrote:
> From: Eric Dumazet <edumazet@...gle.com>
> 
> User space could ask for very large hash tables, we need to make sure
> our size computations wont overflow.
> 
> nf_tables_newset() needs to double check the u64 size
> will fit into size_t field.

Also applied, thannks.