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From: Pablo Neira Ayuso <pablo@netfilter.org>
To: netfilter-devel@vger.kernel.org
Cc: davem@davemloft.net, netdev@vger.kernel.org, kuba@kernel.org,
	pabeni@redhat.com, edumazet@google.com, fw@strlen.de
Subject: Re: [PATCH nf] netfilter: conntrack: clamp maximum hashtable size to INT_MAX
Date: Thu, 9 Jan 2025 13:40:22 +0100	[thread overview]
Message-ID: <Z3_DtkT6hfSoPn5d@calendula> (raw)
In-Reply-To: <20250109123532.41768-2-pablo@netfilter.org>

On Thu, Jan 09, 2025 at 01:35:30PM +0100, Pablo Neira Ayuso wrote:
> According to 0708a0afe291 ("mm: Consider __GFP_NOWARN flag for oversized
> kvmalloc() calls"), use INT_MAX as maximum size for the conntrack
> hashtable. Otherwise, it is possible to hit WARN_ON_ONCE in
> __kvmalloc_node_noprof() when __GFP_NOWARN flag is unset when resizing.
> 
> Note: hashtable resize is only possible from init_netns.

Please, ignore this duplicated patch with incorrect [nf] tag that
slipped through this submission. Sorry for the inconvenience.

Thanks.

  reply	other threads:[~2025-01-09 12:40 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-01-09 12:35 [PATCH net 0/2] Netfilter fixes for net Pablo Neira Ayuso
2025-01-09 12:35 ` [PATCH nf] netfilter: conntrack: clamp maximum hashtable size to INT_MAX Pablo Neira Ayuso
2025-01-09 12:40   ` Pablo Neira Ayuso [this message]
  -- strict thread matches above, loose matches on Subject: below --
2025-01-08 23:01 Pablo Neira Ayuso

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