Segmentation fault when region panel is closed during init

Bug #1804424 reported by Andrea Azzarone on 2018-11-21
This bug affects 1 person
Affects Status Importance Assigned to Milestone
gnome-control-center (Ubuntu)
Andrea Azzarone
Nominated for Cosmic by Andrea Azzarone

Bug Description

gnome-control-center crashes during opening.

[Test case]

-$ gnome-control-center region
- close gnome-control-center
-$ gnome-control-center notifications

Make sure gnome-control-center does not crash and no critical warning is displayed.

[Possible regressions]
It's a safe signal disconnection patch so there should be no possible regression.

Original bug:

Related branches

Andrea Azzarone (azzar1) wrote :

Fix released in disco but we need this bug to SRU gnome-control-center to cosmic.

Changed in gnome-control-center (Ubuntu):
status: New → Fix Released
assignee: nobody → Andrea Azzarone (azzar1)
importance: Undecided → Medium
description: updated

Hello Andrea, or anyone else affected,

Accepted gnome-control-center into cosmic-proposed. The package will build now and be available at in a few hours, and then in the -proposed repository.

Please help us by testing this new package. See for documentation on how to enable and use -proposed. Your feedback will aid us getting this update out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug, mentioning the version of the package you tested and change the tag from verification-needed-cosmic to verification-done-cosmic. If it does not fix the bug for you, please add a comment stating that, and change the tag to verification-failed-cosmic. In either case, without details of your testing we will not be able to proceed.

Further information regarding the verification process can be found at . Thank you in advance for helping!

N.B. The updated package will be released to -updates after the bug(s) fixed by this package have been verified and the package has been in -proposed for a minimum of 7 days.

Changed in gnome-control-center (Ubuntu Cosmic):
status: New → Fix Committed
tags: added: verification-needed verification-needed-cosmic
Andrea Azzarone (azzar1) wrote :

➜ ~ apt-cache policy gnome-control-center
  Installed: 1:3.30.2-1ubuntu0.18.10.1
  Candidate: 1:3.30.2-1ubuntu0.18.10.1
  Version table:
 *** 1:3.30.2-1ubuntu0.18.10.1 500
        500 cosmic-proposed/main amd64 Packages
        100 /var/lib/dpkg/status
     1:3.30.1-1ubuntu2 500
        500 cosmic/main amd64 Packages

Following the instructions in the [Test case] section gnome-control-center no longer crashes/shows critical messages.

description: updated
tags: added: verification-done verification-done-cosmic
removed: verification-needed verification-needed-cosmic
Launchpad Janitor (janitor) wrote :

This bug was fixed in the package gnome-control-center - 1:3.30.2-1ubuntu0.18.10.1

gnome-control-center (1:3.30.2-1ubuntu0.18.10.1) cosmic; urgency=medium

  * New upstream release (LP: #1805441)
    - Fix crash in power panel (LP: #1797205)
  * debian/patches:
    - Debian-s-adduser-doesn-t-allow-uppercase-letters-by-defau.patch:
      + Drop because we already have 08_lowercase_user_names.patch in cosmic.
    - region-Autodisconnect-IBusBus-connected-handler.patch:
      + Do not segfault when region panel is closed during init (LP: #1804424)
    - region-Fix-double-free-when-closing-the-input-chooser-dia.patch:
      + Drop, applied upstream.

 -- Andrea Azzarone <email address hidden> Wed, 21 Nov 2018 10:29:36 +0000

Changed in gnome-control-center (Ubuntu Cosmic):
status: Fix Committed → Fix Released

The verification of the Stable Release Update for gnome-control-center has completed successfully and the package has now been released to -updates. Subsequently, the Ubuntu Stable Release Updates Team is being unsubscribed and will not receive messages about this bug report. In the event that you encounter a regression using the package from -updates please report a new bug using ubuntu-bug and tag the bug report regression-update so we can easily find any regressions.

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