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SubjectRe: [PATCH v5 0/4] fuse: Add support for mounts from pid/user namespaces
On Mon, Nov 3, 2014 at 9:15 AM, Seth Forshee <seth.forshee@canonical.com> wrote:
> 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@amacapital.net
>>
>> 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@amacapital.net
>>
>> 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?
>

[off-list to avoid further clutter]

Eric's moving, I think, and will be mostly unavailable for a week or two.

--Andy

> Thanks,
> Seth



--
Andy Lutomirski
AMA Capital Management, LLC


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