From: Stefano Brivio <sbrivio@redhat.com>
To: Paul Holzinger <pholzing@redhat.com>
Cc: passt-dev@passt.top
Subject: Re: [PATCH] isolation: keep CAP_SYS_PTRACE when required
Date: Mon, 26 Jun 2023 09:22:49 +0200 [thread overview]
Message-ID: <20230626092249.7760efaa@elisabeth> (raw)
In-Reply-To: <20230623082531.25947-2-pholzing@redhat.com>
On Fri, 23 Jun 2023 10:25:32 +0200
Paul Holzinger <pholzing@redhat.com> wrote:
> When pasta is started from an existing userns and tries to join the
> netns from another process it fails to open /proc/$pid/ns/net due the
> missing CAP_SYS_PTRACE capability in the --netns-only case.
>
> A simple reproducer for this.
> First create a userns:
> $ unshare -r
>
> Then create a new netns inside it and try to join that netns with pasta.
> $ unshare -n sleep inf &
> $ pasta --config-net --netns /proc/$!/ns/net
>
> Signed-off-by: Paul Holzinger <pholzing@redhat.com>
Applied.
--
Stefano
prev parent reply other threads:[~2023-06-26 7:23 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-06-23 8:25 [PATCH] isolation: keep CAP_SYS_PTRACE when required Paul Holzinger
2023-06-26 7:22 ` Stefano Brivio [this message]
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