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From: Sasha Levin <sashal@kernel.org>
To: stable@vger.kernel.org,
	Eric Dumazet <edumazet@google.com>
Cc: Sasha Levin <sashal@kernel.org>,
	Jakub Kicinski <kuba@kernel.org>,
	David Ahern <dsahern@kernel.org>,
	Paolo Abeni <pabeni@redhat.com>,
	Martin KaFai Lau <kafai@fb.com>,
	Wei Wang <weiwan@google.com>,
	"David S . Miller" <davem@davemloft.net>,
	Robert Garcia <rob_garcia@163.com>,
	netdev@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH 6.6.y] ipv4: start using dst_dev_rcu()
Date: Wed,  3 Jun 2026 11:13:55 -0400
Message-ID: <20260603105137.ipv4-dst-dev-rcu@kernel.org>
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> [PATCH 6.6.y] ipv4: start using dst_dev_rcu()
> [ Upstream commit 6ad8de3cefdb6ffa6708b21c567df0dbf82c43a8 ]
> [ Minor modifications made to adapt current code. ]

Thanks for the backport. I think as proposed this introduces a bug: in 6.6.y
the predecessor a74fc62eec155c (which adds dst_dev_rcu()) is missing, so
skb_dst_dev_rcu() / dst_dev_rcu() ends up being called outside an RCU read-side
section here.

-- 
Thanks,
Sasha