netdev - Re: [PATCH bpf] bpf: Fix metadata_dst leak __bpf_redirect_neigh

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Message-ID: <20251003090235.09521adc@kernel.org>
Date: Fri, 3 Oct 2025 09:02:35 -0700
From: Jakub Kicinski <kuba@...nel.org>
To: Daniel Borkmann <daniel@...earbox.net>
Cc: bpf@...r.kernel.org, netdev@...r.kernel.org, Yusuke Suzuki
 <yusuke.suzuki@...valent.com>, Julian Wiedmann <jwi@...valent.com>, Martin
 KaFai Lau <martin.lau@...nel.org>, Jordan Rife <jrife@...gle.com>
Subject: Re: [PATCH bpf] bpf: Fix metadata_dst leak
 __bpf_redirect_neigh_v{4,6}

On Fri,  3 Oct 2025 09:34:18 +0200 Daniel Borkmann wrote:
> Cilium has a BPF egress gateway feature which forces outgoing K8s Pod
> traffic to pass through dedicated egress gateways which then SNAT the
> traffic in order to interact with stable IPs outside the cluster.

Nice! The warning Stan added at work?

Reviewed-by: Jakub Kicinski <kuba@...nel.org>