[Bug 1210] nftables gets confused by user namespaces when meta skuid is used

bugzilla-daemon at netfilter.org bugzilla-daemon at netfilter.org
Fri Jul 12 13:00:21 CEST 2019


Phil Sutter <phil at nwl.cc> changed:

           What    |Removed                     |Added
                 CC|                            |phil at nwl.cc

--- Comment #6 from Phil Sutter <phil at nwl.cc> ---

(In reply to Yves from comment #5)
> I built the new kernel using the instructions here:
> https://wiki.archlinux.org/index.php/Kernels/Arch_Build_System
> and adding the providing patch as the first step of the build.
> I see no change: when nftables is stopped, exim can telnet to port 25; when
> nftables is started, exim cannot anymore.

Can you please try again with an up to date system? I can't reproduce the skuid
matching problem on my testing VM (running current kernel and nftables). Maybe
it really is a problem of uid resolution in container? Did you make sure that
'nft -nn list ruleset' shows the same uid as 'id -u exim'?

Thanks, Phil

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