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From: Miklos Szeredi <mszeredi@redhat.com>
To: Stefan Hajnoczi <stefanha@redhat.com>
Cc: virtio-fs-list <virtio-fs@redhat.com>
Subject: Re: [Virtio-fs] Puzzle about rootflags, restorecon "operation not supported"
Date: Tue, 20 Oct 2020 14:57:20 +0200	[thread overview]
Message-ID: <CAOssrKfbOF7UgkWDZ6t8mmPLt8Vr+4aPpMFpZvV_bYznThZPZg@mail.gmail.com> (raw)
In-Reply-To: <20201020095401.GD140014@stefanha-x1.localdomain>

On Tue, Oct 20, 2020 at 11:54 AM Stefan Hajnoczi <stefanha@redhat.com> wrote:
>
> On Thu, Oct 15, 2020 at 06:57:09PM -0500, Harry G. Coin wrote:
> > The 'mainline generic' version of the latest kernel fails to parse
> > 'fuse' virtiofs options on root kernel boots.  Not only dax, but all the
> > 'fuse' usual ones as well.  (None of
> > default_permissions,allow_other,user_id=0 etc are accepted).
> >
> > Is that what you expected of the mainline kernel?  I learned of this
> > when trying to understand this further problem:
> >
> > SELinux's 'restorecon' and other attempts to change security attributes
> > then fails with "operation not supported".
> >
> > I could only get sshd able to accept connections by changing SELinux to
> > permissive.  The commands necessary to change the security attributes
> > failed with the 'operation not supported' issue.
> >
> > Ideas?
>
> Hi Harry,
> FUSE mount options were removed from virtiofs at one point. I think this
> is expected. The reason is because the options you listed are the
> default for virtiofs and don't need to be specified explicitly.
>
> I have CCed Miklos in case things have changed or I missed something.

Removing the fuse mount options is expected.  Removing the selinux
option is probably a bug.

With the DAX patches the option parsing was restored.  Was the selinux
option parsing also restored?

Thanks,
Miklos


>
> Stefan


  reply	other threads:[~2020-10-20 12:57 UTC|newest]

Thread overview: 60+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-10-14 18:02 [PATCH v3 0/5] virtiofsd xattr name mappings Dr. David Alan Gilbert (git)
2020-10-14 18:02 ` [Virtio-fs] " Dr. David Alan Gilbert (git)
2020-10-14 18:02 ` [PATCH v3 1/5] tools/virtiofsd: xattr name mappings: Add option Dr. David Alan Gilbert (git)
2020-10-14 18:02   ` [Virtio-fs] " Dr. David Alan Gilbert (git)
2020-10-20  9:07   ` Stefan Hajnoczi
2020-10-20  9:07     ` [Virtio-fs] " Stefan Hajnoczi
2020-10-21 17:13     ` Dr. David Alan Gilbert
2020-10-21 17:13       ` [Virtio-fs] " Dr. David Alan Gilbert
2020-10-20 14:04   ` Vivek Goyal
2020-10-20 14:04     ` [Virtio-fs] " Vivek Goyal
2020-10-22 14:52   ` Vivek Goyal
2020-10-22 14:52     ` [Virtio-fs] " Vivek Goyal
2020-10-23 15:46     ` Dr. David Alan Gilbert
2020-10-23 15:46       ` [Virtio-fs] " Dr. David Alan Gilbert
2020-10-14 18:02 ` [PATCH v3 2/5] tools/virtiofsd: xattr name mappings: Map client xattr names Dr. David Alan Gilbert (git)
2020-10-14 18:02   ` [Virtio-fs] " Dr. David Alan Gilbert (git)
2020-10-20  9:16   ` Stefan Hajnoczi
2020-10-20  9:16     ` [Virtio-fs] " Stefan Hajnoczi
2020-10-22 15:28   ` Vivek Goyal
2020-10-22 15:28     ` [Virtio-fs] " Vivek Goyal
2020-10-23 15:04     ` Dr. David Alan Gilbert
2020-10-23 15:04       ` [Virtio-fs] " Dr. David Alan Gilbert
2020-10-14 18:02 ` [PATCH v3 3/5] tools/virtiofsd: xattr name mappings: Map server " Dr. David Alan Gilbert (git)
2020-10-14 18:02   ` [Virtio-fs] " Dr. David Alan Gilbert (git)
2020-10-15 23:57   ` [Virtio-fs] Puzzle about rootflags, restorecon "operation not supported" Harry G. Coin
2020-10-20  9:54     ` Stefan Hajnoczi
2020-10-20 12:57       ` Miklos Szeredi [this message]
2020-10-20 14:55         ` Harry G. Coin
2020-10-20  9:52   ` [PATCH v3 3/5] tools/virtiofsd: xattr name mappings: Map server xattr names Stefan Hajnoczi
2020-10-20  9:52     ` [Virtio-fs] " Stefan Hajnoczi
2020-10-22 16:16   ` Vivek Goyal
2020-10-22 16:16     ` [Virtio-fs] " Vivek Goyal
2020-10-23 14:49     ` Dr. David Alan Gilbert
2020-10-23 14:49       ` [Virtio-fs] " Dr. David Alan Gilbert
2020-10-14 18:02 ` [PATCH v3 4/5] tools/virtiofsd: xattr name mapping examples Dr. David Alan Gilbert (git)
2020-10-14 18:02   ` [Virtio-fs] " Dr. David Alan Gilbert (git)
2020-10-20  9:56   ` Stefan Hajnoczi
2020-10-20  9:56     ` [Virtio-fs] " Stefan Hajnoczi
2020-10-20 14:40   ` Vivek Goyal
2020-10-20 14:40     ` [Virtio-fs] " Vivek Goyal
2020-10-20 15:34     ` Dr. David Alan Gilbert
2020-10-20 15:34       ` [Virtio-fs] " Dr. David Alan Gilbert
2020-10-20 17:56       ` Vivek Goyal
2020-10-20 17:56         ` [Virtio-fs] " Vivek Goyal
2020-10-20 19:02         ` Dr. David Alan Gilbert
2020-10-20 19:02           ` [Virtio-fs] " Dr. David Alan Gilbert
2020-10-21 13:44           ` Vivek Goyal
2020-10-21 13:44             ` [Virtio-fs] " Vivek Goyal
2020-10-21 17:39             ` Dr. David Alan Gilbert
2020-10-21 17:39               ` [Virtio-fs] " Dr. David Alan Gilbert
2020-10-14 18:02 ` [PATCH v3 5/5] tools/virtiofsd: xattr name mappings: Simple 'map' Dr. David Alan Gilbert (git)
2020-10-14 18:02   ` [Virtio-fs] " Dr. David Alan Gilbert (git)
2020-10-20 10:09   ` Stefan Hajnoczi
2020-10-20 10:09     ` [Virtio-fs] " Stefan Hajnoczi
2020-10-20 11:35     ` Dr. David Alan Gilbert
2020-10-20 11:35       ` [Virtio-fs] " Dr. David Alan Gilbert
2020-10-22 13:42   ` Vivek Goyal
2020-10-22 13:42     ` [Virtio-fs] " Vivek Goyal
2020-10-23 13:05     ` Dr. David Alan Gilbert
2020-10-23 13:05       ` [Virtio-fs] " Dr. David Alan Gilbert

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