openssh bugs - Apr 2020 - [Bug 3147] New: Confusing error message when the public key is missing.

https://bugzilla.mindrot.org/show_bug.cgi?id=3147

            Bug ID: 3147
           Summary: Confusing error message when the public key is
                    missing.
           Product: Portable OpenSSH
           Version: -current
          Hardware: All
                OS: OpenBSD
            Status: NEW
          Severity: trivial
          Priority: P5
         Component: ssh
          Assignee: unassigned-bugs at mindrot.org
          Reporter: jesper at ifconfig.se

I just upgraded my machine to the latest -current as of today. When
trying to login to a remote machine using ssh(1), I got the following
error because my id_rsa.pub is missing:
> load pubkey "/home/jesper/.ssh/id_rsa": invalid format
The error is very confusing and as I see it, it seems like ssh(1) tries
to load my private key and use it as a public key? Or it tries to load
the public key *for* my id_rsa, and fails because it does not exist,
but then the error should tell me the key/file does not exist rather
than invalid format?

Adding the id_rsa.pub again will make the error go away though.

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Jakub Jelen <jjelen at redhat.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |jjelen at redhat.com

--- Comment #1 from Jakub Jelen <jjelen at redhat.com> ---
Is that really a key you are using for that connection? In what format
is it? traditional-PEM/PKCS8 PEM/openssh? Sharing a debug logs would be
helpful.

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--- Comment #2 from Jesper Wallin <jesper at ifconfig.se> ---
Created attachment 3374
  --> https://bugzilla.mindrot.org/attachment.cgi?id=3374&action=edit
ssh -vvv ifconfig.se

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--- Comment #3 from Jesper Wallin <jesper at ifconfig.se> ---
(In reply to Jakub Jelen from comment #1)
> Is that really a key you are using for that connection? In what
> format is it? traditional-PEM/PKCS8 PEM/openssh? Sharing a debug
> logs would be helpful.
I've attached the debug output and it's the only key on my system,
which works btw, despite the error. It looks like:

-----BEGIN RSA PRIVATE KEY-----
Proc-Type: 4,ENCRYPTED
DEK-Info: AES-128-CBC,48C1EB3613223186C9C28CE40777D53C

[removed]
-----END RSA PRIVATE KEY-----

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Damien Miller <djm at mindrot.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |FIXED
             Blocks|                            |3117
             Status|NEW                         |RESOLVED
                 CC|                            |djm at mindrot.org

--- Comment #4 from Damien Miller <djm at mindrot.org> ---
This should be fixed by commit 2b13d3934d580370 that will be in the
openssh-8.3 release


Referenced Bugs:

https://bugzilla.mindrot.org/show_bug.cgi?id=3117
[Bug 3117] Tracking bug for 8.3 release
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Damien Miller <djm at mindrot.org> changed:

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

--- Comment #5 from Damien Miller <djm at mindrot.org> ---
close bugs that were resolved in OpenSSH 8.5 release cycle

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