openssh bugs - Apr 2015 - [Bug 2383] New: ssh-copy-id hangs when already connected with connection sharing

https://bugzilla.mindrot.org/show_bug.cgi?id=2383

            Bug ID: 2383
           Summary: ssh-copy-id hangs when already connected with
                    connection sharing
           Product: Portable OpenSSH
           Version: 6.8p1
          Hardware: All
                OS: All
            Status: NEW
          Severity: minor
          Priority: P5
         Component: ssh-copy-id
          Assignee: unassigned-bugs at mindrot.org
          Reporter: tobias.pal at gmail.com

Created attachment 2587
  --> https://bugzilla.mindrot.org/attachment.cgi?id=2587&action=edit
ssh-copy-id-connection-sharing-hang.patch

If I successfully ssh into somewhere and then try to use ssh-copy-id,
it just hangs.

I have this in my .ssh/config:
ControlMaster  auto
ControlPath    /dev/shm/ssh_control_%h_%p_%r
ControlPersist 3600

It's because of this line in ssh-copy-id:
REMOTE_VERSION=$(ssh -v -o PreferredAuthentications=',' "$@"
2>&1 |
                 sed -ne 's/.*remote software version //p')

Because of the connection sharing, this doesn't fail, but opens a shell
on the other side and waits for input indefinitely.

A simple fix is to add -o ControlPath=none.

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Paul Tobias <tobias.pal at gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |DUPLICATE
             Status|NEW                         |RESOLVED

--- Comment #1 from Paul Tobias <tobias.pal at gmail.com> ---
Oh, this was already reported as bug 2195. I went through the process
at http://www.openssh.com/report.html, but I didn't see that bug.

*** This bug has been marked as a duplicate of bug 2195 ***

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Damien Miller <djm at mindrot.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |CLOSED

--- Comment #2 from Damien Miller <djm at mindrot.org> ---
Set all RESOLVED bugs to CLOSED with release of OpenSSH 7.1

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