Re: [Bug 1560120] Re: Unprivileged nested container will not start inside a privileged container

[Serge Hallyn]

Thanks for the confirmation.

A note for anyone else who runs into this - you will unfortunately need
to actually restart lxcfs, or reboot the host, for the fix to take.

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  Unprivileged nested container will not start inside a privileged
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Re: [Bug 1560120] Re: Unprivileged nested container will not start inside a privileged container

[Serge Hallyn]

Thanks for the confirmation.

A note for anyone else who runs into this - you will unfortunately need
to actually restart lxcfs, or reboot the host, for the fix to take.

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Title:
  Unprivileged nested container will not start inside a privileged
  container

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[Bug 1560120] Re: Unprivileged nested container will not start inside a privileged container

[Christopher Townsend]

I have confirmed that the fix for this indeed does fix my issue.  Thanks
for your prompt attention!

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  Unprivileged nested container will not start inside a privileged
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[Bug 1560120] Re: Unprivileged nested container will not start inside a privileged container

[Christopher Townsend]

I have confirmed that the fix for this indeed does fix my issue.  Thanks
for your prompt attention!

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  Unprivileged nested container will not start inside a privileged
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[Bug 1560120] Re: Unprivileged nested container will not start inside a privileged container

[Serge Hallyn]

** Changed in: lxc (Ubuntu)
   Status: Triaged => Fix Released

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[Bug 1560120] Re: Unprivileged nested container will not start inside a privileged container

[Serge Hallyn]

** Changed in: lxc (Ubuntu)
   Status: Triaged => Fix Released

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  Unprivileged nested container will not start inside a privileged
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[Bug 1560120] Re: Unprivileged nested container will not start inside a privileged container

[Launchpad Bug Tracker]

This bug was fixed in the package lxcfs - 2.0.0~rc8-0ubuntu1

---
lxcfs (2.0.0~rc8-0ubuntu1) xenial; urgency=medium

  * Merge 2.0.0.rc8, which implements access(2) needed by lxc.
(LP: #1560120)

 -- Serge Hallyn   Mon, 21 Mar 2016 21:08:18
-0700

** Changed in: lxcfs (Ubuntu)
   Status: Triaged => Fix Released

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  Unprivileged nested container will not start inside a privileged
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[Bug 1560120] Re: Unprivileged nested container will not start inside a privileged container

[Launchpad Bug Tracker]

This bug was fixed in the package lxcfs - 2.0.0~rc8-0ubuntu1

---
lxcfs (2.0.0~rc8-0ubuntu1) xenial; urgency=medium

  * Merge 2.0.0.rc8, which implements access(2) needed by lxc.
(LP: #1560120)

 -- Serge Hallyn   Mon, 21 Mar 2016 21:08:18
-0700

** Changed in: lxcfs (Ubuntu)
   Status: Triaged => Fix Released

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  Unprivileged nested container will not start inside a privileged
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[Bug 1560120] Re: Unprivileged nested container will not start inside a privileged container

[Serge Hallyn]

Christopher,  thanks for reporting this.  I've pushed the fix, but as
we're now in final freeze it may be delayed for approval.

** Changed in: lxcfs (Ubuntu)
   Importance: Undecided => High

** Changed in: lxcfs (Ubuntu)
   Status: New => Triaged

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  Unprivileged nested container will not start inside a privileged
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[Bug 1560120] Re: Unprivileged nested container will not start inside a privileged container

[Serge Hallyn]

Christopher,  thanks for reporting this.  I've pushed the fix, but as
we're now in final freeze it may be delayed for approval.

** Changed in: lxcfs (Ubuntu)
   Importance: Undecided => High

** Changed in: lxcfs (Ubuntu)
   Status: New => Triaged

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  Unprivileged nested container will not start inside a privileged
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[Bug 1560120] Re: Unprivileged nested container will not start inside a privileged container

[Serge Hallyn]

The proposed fix for this is https://github.com/lxc/lxcfs/pull/102

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  Unprivileged nested container will not start inside a privileged
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[Bug 1560120] Re: Unprivileged nested container will not start inside a privileged container

[Serge Hallyn]

The proposed fix for this is https://github.com/lxc/lxcfs/pull/102

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  Unprivileged nested container will not start inside a privileged
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[Bug 1560120] Re: Unprivileged nested container will not start inside a privileged container

[Serge Hallyn]

I believe this is due to lxcfs not implementing access(2).

** Also affects: lxcfs (Ubuntu)
   Importance: Undecided
   Status: New

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[Bug 1560120] Re: Unprivileged nested container will not start inside a privileged container

[Serge Hallyn]

I believe this is due to lxcfs not implementing access(2).

** Also affects: lxcfs (Ubuntu)
   Importance: Undecided
   Status: New

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  Unprivileged nested container will not start inside a privileged
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[Bug 1560120] Re: Unprivileged nested container will not start inside a privileged container

[Serge Hallyn]

Confirmed, i can reproduce.  Now why.

** Changed in: lxc (Ubuntu)
   Status: New => Triaged

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[Bug 1560120] Re: Unprivileged nested container will not start inside a privileged container

[Serge Hallyn]

Confirmed, i can reproduce.  Now why.

** Changed in: lxc (Ubuntu)
   Status: New => Triaged

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  Unprivileged nested container will not start inside a privileged
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[Bug 1560120] Re: Unprivileged nested container will not start inside a privileged container

[Serge Hallyn]

** Changed in: lxc (Ubuntu)
   Importance: Undecided => High

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  Unprivileged nested container will not start inside a privileged
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[Bug 1560120] Re: Unprivileged nested container will not start inside a privileged container

[Serge Hallyn]

** Changed in: lxc (Ubuntu)
   Importance: Undecided => High

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Title:
  Unprivileged nested container will not start inside a privileged
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[Bug 1560120] Re: Unprivileged nested container will not start inside a privileged container

[Serge Hallyn]

Hm,

 lxc-start 20160321163436.552 ERROR lxc_utils - utils.c:mkdir_p:253 -
Permission denied - failed to create directory '/sys/fs/cgroup/blkio/lxc
/libertine-smoke-test/lxc/'

This is odd, if that was not writeable then cgfsng should not have
stored it as a writeable hierarchy.

Just to make sure, can you show the container configuration for both
containers?

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  Unprivileged nested container will not start inside a privileged
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[Bug 1560120] Re: Unprivileged nested container will not start inside a privileged container

[Serge Hallyn]

Hm,

 lxc-start 20160321163436.552 ERROR lxc_utils - utils.c:mkdir_p:253 -
Permission denied - failed to create directory '/sys/fs/cgroup/blkio/lxc
/libertine-smoke-test/lxc/'

This is odd, if that was not writeable then cgfsng should not have
stored it as a writeable hierarchy.

Just to make sure, can you show the container configuration for both
containers?

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Title:
  Unprivileged nested container will not start inside a privileged
  container

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