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Message-ID: <20240423120309.GA18954@breakpoint.cc>
Date: Tue, 23 Apr 2024 14:03:09 +0200
From: Florian Westphal <fw@...len.de>
To: linke li <lilinke99@...com>
Cc: xujianhao01@...il.com, Pablo Neira Ayuso <pablo@...filter.org>,
	Jozsef Kadlecsik <kadlec@...filter.org>,
	Florian Westphal <fw@...len.de>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	netfilter-devel@...r.kernel.org, coreteam@...filter.org,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] netfilter: mark racy access on ext->gen_id

linke li <lilinke99@...com> wrote:
> In __nf_ct_ext_find(), ext->gen_id can be changed by 
> nf_ct_ext_valid_post(), using WRITE_ONCE. Mark data races on ext->gen_id
> as benign using READ_ONCE. 
> 
> This patch is aimed at reducing the number of benign races reported by
> KCSAN in order to focus future debugging effort on harmful races.

Acked-by: Florian Westphal <fw@...len.de>

Should proably go to nf tree.

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