Re: [PATCH v5 0/4] fuse: Add support for mounts from pid/user namespaces

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On Wed, Oct 22, 2014 at 04:24:16PM -0500, Seth Forshee wrote:
> Here's another update to the patches to enable userns mounts in fuse.
> The changes this time around center on xattrs and allow_other. I'm
> considering the following patch to be a prerequisite for this series:
> 
> http://lkml.kernel.org/g/252a4d87d99fc2b5fe4411c838f65b312c4e13cd.1413330857.git.luto@xxxxxxxxxxxxxx
> 
> With this patch I'm dropping the xattr restrictions from the v4 patches.
> This leaves the situation with xattrs unchanged in init_user_ns. A fuse
> userns mount could still supply xattrs which the user would normally be
> unable to set, but since the mount will be inaccessible outside of that
> userns or its descendants those xattrs will never be seen by the host.
> 
> I'm also in agreement with Andy that some decision regarding this patch
> should be made before merging the fuse userns support as well:
> 
> http://lkml.kernel.org/g/2686c32f00b14148379e8cfee9c028c794d4aa1a.1407974494.git.luto@xxxxxxxxxxxxxx
> 
> Changes since v4:
>  - Drop patch to restrict xattrs
>  - Update allow_other to restrict based on userns of current rather than
>    uid/gid

Miklos, Eric - Any feedback from either of you on these patches?

Thanks,
Seth
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