openssh bugs - Jun 2025 - [Bug 3842] New: Match !final triggers re-parsing round

https://bugzilla.mindrot.org/show_bug.cgi?id=3842

            Bug ID: 3842
           Summary: Match !final triggers re-parsing round
           Product: Portable OpenSSH
           Version: 10.0p2
          Hardware: All
                OS: All
            Status: NEW
          Severity: trivial
          Priority: P5
         Component: ssh
          Assignee: unassigned-bugs at mindrot.org
          Reporter: nix-muell at gmx.net

Created attachment 3885
  --> https://bugzilla.mindrot.org/attachment.cgi?id=3885&action=edit
trivial fix

I do weird things with 'Match exec'. Sometimes re-parsing happens
because hostname canonicalization. Sometimes I force it with 'Match
final' when debugging my 'exec's. But overall, I try to avoid it.
Some 'exec's I want only executed once (if at all), so I write them as
'Match !final exec'. This works as expected, but I noticed that it also
triggers a re-parse round (and only because it takes a lot longer to
process in cygwin).
Seems like a trivial oversight/bug to me.

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https://bugzilla.mindrot.org/show_bug.cgi?id=3842

Damien Miller <djm at mindrot.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |djm at mindrot.org
   Attachment #3885|0                           |1
           is patch|                            |
   Attachment #3885|application/octet-stream    |text/plain
          mime type|                            |

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https://bugzilla.mindrot.org/show_bug.cgi?id=3842

Damien Miller <djm at mindrot.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Assignee|unassigned-bugs at mindrot.org |djm at mindrot.org
                 CC|                            |dtucker at dtucker.net
   Attachment #3886|                            |ok?(dtucker at dtucker.net)
              Flags|                            |

--- Comment #1 from Damien Miller <djm at mindrot.org> ---
Created attachment 3886
  --> https://bugzilla.mindrot.org/attachment.cgi?id=3886&action=edit
Similar fix

I actually sent a similar fix that I sent to a few people recently
(attached)

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Darren Tucker <dtucker at dtucker.net> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Attachment #3886|ok?(dtucker at dtucker.net)    |ok+
              Flags|                            |

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Damien Miller <djm at mindrot.org> changed:

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

--- Comment #2 from Damien Miller <djm at mindrot.org> ---
Fix committed as 688fa02728f2e

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