From: Jakub Kicinski <kuba@kernel.org>
To: Zhiling Zou <zhilinz@nebusec.ai>
Cc: netfilter-devel@vger.kernel.org, bridge@lists.linux.dev,
netdev@vger.kernel.org, pablo@netfilter.org, fw@strlen.de,
phil@nwl.cc, razor@blackwall.org, idosch@nvidia.com,
davem@davemloft.net, edumazet@google.com, pabeni@redhat.com,
horms@kernel.org, vega@nebusec.ai
Subject: Re: [PATCH nf 1/1] netfilter: bridge: release template ct on non-IP path
Date: Fri, 31 Jul 2026 08:02:33 -0700 [thread overview]
Message-ID: <20260731080233.1956d41c@kernel.org> (raw)
In-Reply-To: <3cf187b612fd78f8835fa9dad870326ce380f82f.1785479514.git.zhilinz@nebusec.ai>
On Fri, 31 Jul 2026 14:36:53 +0800 Zhiling Zou wrote:
> A bridge nftables ct zone set rule can attach a conntrack template to
> an skb before nf_ct_bridge_pre() sees it. For non-IPv4 and non-IPv6
> EtherTypes, nf_ct_bridge_pre() currently overwrites skb->_nfct with
> IP_CT_UNTRACKED without releasing the existing template reference.
could be a coincidence but around the time this landed in our test tree
the nft_queue.sh test became more flaky.
--
pw-bot: au
next prev parent reply other threads:[~2026-07-31 15:02 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-07-31 6:36 [PATCH nf 0/1] netfilter: bridge: release template ct on non-IP path Zhiling Zou
2026-07-31 6:36 ` [PATCH nf 1/1] " Zhiling Zou
2026-07-31 15:02 ` Jakub Kicinski [this message]
2026-07-31 15:47 ` Pablo Neira Ayuso
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