Re: [PATCH 0/3] Better report errors failing to open namespace tap device

[Stefano Brivio <sbrivio@redhat.com>]

On Wed,  2 Aug 2023 13:15:39 +1000
David Gibson <david@gibson.dropbear.id.au> wrote:

> In https://github.com/containers/podman/issues/19428, pasta is failing
> to open the namespace tap device.  Paul Holzinger correctly noted that
> pasta isn't very helpful in this case, with no information beyond "it
> failed".  He suggested a patch for that, however it wasn't quite
> sufficient: errno may not be propagated back from the ephemeral thread
> which enters the namespace, and even if it does the errno alone won't
> tell us which of the possible failure points actually failed.
> 
> 2/3 here is a more robust change to address the problem.  The other
> patches are minor cleanups I noticed along the way.
> 
> Link: https://bugs.passt.top/show_bug.cgi?id=69
> 
> David Gibson (3):
>   util: Make ns_enter() a void function and report setns() errors
>   tap: More detailed error reporting in tap_ns_tun()
>   tap: Remove unnecessary global tun_ns_fd

Applied, too (no, I didn't forget about the flow tracking series :) I'm
still reviewing it).

-- 
Stefano