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[ Upstream commit de2c211868b9424f9aa9b3432c4430825bafb41b ] We found an issue when using bpf_redirect with ipvs NAT mode after commitff70202b2d("dev_forward_skb: do not scrub skb mark within the same name space"). Particularly, we use bpf_redirect to return the skb directly back to the netif it comes from, i.e., xnet is false in skb_scrub_packet(), and then ipvs_property is preserved and SNAT is skipped in the rx path. ipvs_property has been already cleared when netns is changed in commit2b5ec1a5f9("netfilter/ipvs: clear ipvs_property flag when SKB net namespace changed"). This patch just clears it in spite of netns. Fixes:2b5ec1a5f9("netfilter/ipvs: clear ipvs_property flag when SKB net namespace changed") Signed-off-by: Philo Lu <lulie@linux.alibaba.com> Acked-by: Julian Anastasov <ja@ssi.bg> Link: https://patch.msgid.link/20250222033518.126087-1-lulie@linux.alibaba.com Signed-off-by: Paolo Abeni <pabeni@redhat.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.