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Message-ID: <1884121.lUd5UmjTVT@somecomputer> Date: Fri, 11 Oct 2024 15:12:12 +0200 From: Richard Weinberger <richard@...ma-star.at> To: Florian Westphal <fw@...len.de> Cc: Florian Westphal <fw@...len.de>, Richard Weinberger <richard@....at>, upstream@...ma-star.at, netfilter-devel@...r.kernel.org, coreteam@...filter.org, netdev@...r.kernel.org, linux-kernel@...r.kernel.org, pabeni@...hat.com, kuba@...nel.org, edumazet@...gle.com, davem@...emloft.net, kadlec@...filter.org, pablo@...filter.org, rgb@...hat.com, paul@...l-moore.com, upstream+net@...ma-star.at Subject: Re: [PATCH] netfilter: Record uid and gid in xt_AUDIT Am Freitag, 11. Oktober 2024, 03:27:13 CEST schrieb Florian Westphal: > Richard Weinberger <richard@...ma-star.at> wrote: > > Maybe I have wrong expectations. > > e.g. I expected that sock_net_uid() will return 1000 when > > uid 1000 does something like: unshare -Umr followed by a veth connection > > to the host (initial user/net namespace). > > Shouldn't on the host side a forwarded skb have a ->dev that belongs uid > > 1000's net namespace? > > You mean skb->sk? dev doesn't make much sense in this context to me. > Else, please clarify. Well, this was a brain fart on my side. I wondered about the sock_net_uid(net, NULL) case and wrongly assumed that a skb I see in the outer namespace can have a skb->dev from another namespace. It would be awesome to have some information about the originating net namespace. Thanks, //richard -- sigma star gmbh | Eduard-Bodem-Gasse 6, 6020 Innsbruck, AUT UID/VAT Nr: ATU 66964118 | FN: 374287y
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