Ubuntu
libssh package

libssh 0.9.x randomly closes connection

Bug #1894982 reported by Alexander Kirhenshtein
8
This bug affects 1 person
Affects Status Importance Assigned to Milestone
libssh (Ubuntu)
Fix Released
High
Unassigned

Bug Description

libssh versions between 0.8 and 0.9.5 have a bug which leads to random disconnections.
This bug was reported to libssh developers (https://bugs.libssh.org/T231) and fixed in stable-0.9 branch. Fix will be included with upcoming 0.9.5, unfortunately there are no time frame defined for this release.

Only Ubuntu 20 (both Focal and Groovy) is affected.

Since it might take a while until 0.9.5 will be released by the upstream and issue is rather important (e.g. for monitoring tools), I suggest to backport original patch (https://bugs.libssh.org/rLIBSSH74e162c67fca502cca1213de6345db7fe8e24d05) into current version of the package (focal - 0.9.3-2ubuntu2.1, 0.9.4-1ubuntu2 - groovy).

Tags: patch
Revision history for this message
Alexander Kirhenshtein (alk) wrote :
Revision history for this message
Ubuntu Foundations Team Bug Bot (crichton) wrote :

The attachment "original patch from libssh authors" seems to be a patch. If it isn't, please remove the "patch" flag from the attachment, remove the "patch" tag, and if you are a member of the ~ubuntu-reviewers, unsubscribe the team.

[This is an automated message performed by a Launchpad user owned by ~brian-murray, for any issues please contact him.]

tags: added: patch
Revision history for this message
Sebastien Bacher (seb128) wrote :

Thank you for your bug report. I've uploaded a backport of the fix to the Ubuntu G serie, do you have a testcase which could be used to verify as a SRU (https://wiki.ubuntu.com/StableReleaseUpdates)?

Changed in libssh (Ubuntu):
importance: Undecided → High
status: New → In Progress
Revision history for this message
Launchpad Janitor (janitor) wrote :

This bug was fixed in the package libssh - 0.9.4-1ubuntu3

---------------
libssh (0.9.4-1ubuntu3) groovy; urgency=medium

  * debian/patches/git_close_error.patch:
    - don't return an error if the server properly closed the channel
      (lp: #1894982)

 -- Sebastien Bacher <email address hidden> Thu, 10 Sep 2020 12:05:15 +0200

Changed in libssh (Ubuntu):
status: In Progress → Fix Released
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