From: Jakub Kicinski <kuba@kernel.org>
To: Chengfeng Ye <nicoyip.dev@gmail.com>
Cc: Pablo Neira Ayuso <pablo@netfilter.org>,
Florian Westphal <fw@strlen.de>, Phil Sutter <phil@nwl.cc>,
"David S. Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Paolo Abeni <pabeni@redhat.com>, Simon Horman <horms@kernel.org>,
netfilter-devel@vger.kernel.org, coreteam@netfilter.org,
netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
stable@vger.kernel.org
Subject: Re: [PATCH net] netfilter: nf_tables: serialize offload stats with callback unbind
Date: Sun, 27 Sep 2026 15:07:04 -0700 [thread overview]
Message-ID: <20260927150704.62c8c919@kernel.org> (raw)
In-Reply-To: <20260927071520.3693598-1-nicoyip.dev@gmail.com>
On Sun, 27 Sep 2026 15:15:20 +0800 Chengfeng Ye wrote:
> Rule GET and dump requests collect hardware statistics under RCU without
> holding commit_mutex. Callback unbind removes entries from the base
> chain's flow_block.cb_list and frees them immediately while holding
> commit_mutex, so RCU does not protect the statistics iterator.
Slow down. Please do not submit more than 8 patches for networking
at a time. You can revise the already submitted patches but since you
violated community guidelines we ask you not to submit any new fixes
for a month.
--
pv-ban: 1mo
next prev parent reply other threads:[~2026-09-27 22:07 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-27 7:15 Chengfeng Ye
2026-09-27 22:07 ` Jakub Kicinski [this message]
2026-09-28 4:28 ` Chengfeng Ye
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