gnome-control-center crashes when choosing sound effects

Bug #1236612 reported by Roland Mueller on 2013-10-07
This bug affects 1 person
Affects Status Importance Assigned to Milestone
OEM Priority Project
Fix Released
gnome-control-center (Ubuntu)
unity-control-center (Ubuntu)

Bug Description

while i clicked between the different sound effects it suddenly crashed.

i could reproduce it, after 4 times selecting another sound effect it crashes, also when the alert volume was "off".

ProblemType: Crash
DistroRelease: Ubuntu 13.10
Package: gnome-control-center 1:3.6.3-0ubuntu41
ProcVersionSignature: Ubuntu 3.11.0-8.15-generic 3.11.1
Uname: Linux 3.11.0-8-generic x86_64
ApportVersion: 2.12.5-0ubuntu1
Architecture: amd64
AssertionMessage: *** Error in `gnome-control-center': munmap_chunk(): invalid pointer: 0x00000000034a2050 ***
Date: Mon Oct 7 23:55:09 2013
ExecutablePath: /usr/bin/gnome-control-center
InstallationDate: Installed on 2013-10-07 (0 days ago)
InstallationMedia: Ubuntu-GNOME 13.10 "Saucy Salamander" - Beta amd64 (20130926)
MarkForUpload: True
ProcCmdline: gnome-control-center --overview
Signal: 6
SourcePackage: gnome-control-center
 __libc_message (do_abort=do_abort@entry=2, fmt=fmt@entry=0x7f5138936740 "*** Error in `%s': %s: 0x%s ***\n") at ../sysdeps/unix/sysv/linux/libc_fatal.c:199
 malloc_printerr (action=3, str=0x7f5138936ab8 "munmap_chunk(): invalid pointer", ptr=<optimized out>) at malloc.c:4923
 ?? () from /usr/lib/x86_64-linux-gnu/control-center-1/panels/
 g_cclosure_marshal_VOID__STRINGv () from /usr/lib/x86_64-linux-gnu/
 ?? () from /usr/lib/x86_64-linux-gnu/
Title: [sound]: gnome-control-center assert failure: *** Error in `gnome-control-center': munmap_chunk(): invalid pointer: 0x00000000034a2050 ***
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip libvirtd lpadmin plugdev sambashare sudo
usr_lib_gnome-control-center: deja-dup 27.3.1-0ubuntu1


 * When user change the sound effect from Default to others and then change it back the gnome-control-center will crash.

[Test Case]

 * open gnome-control-center
 * enter Sound item
 * choose Sound Effects tab
 * choose Default
 * choose Bark
 * choose Default
 * see the crash

[Regression Potential]

 * The fix simply NULL a pointer to avoid memory corruption. So I think it's safe enough.

Related branches

Roland Mueller (oerli) wrote :

 __libc_message (do_abort=do_abort@entry=2, fmt=fmt@entry=0x7f5138936740 "*** Error in `%s': %s: 0x%s ***\n") at ../sysdeps/unix/sysv/linux/libc_fatal.c:199
 malloc_printerr (action=3, str=0x7f5138936ab8 "munmap_chunk(): invalid pointer", ptr=<optimized out>) at malloc.c:4923
 update_theme (chooser=0x3384db0) at gvc-sound-theme-chooser.c:674
 g_cclosure_marshal_VOID__STRINGv (closure=0x33991f0, return_value=<optimized out>, instance=<optimized out>, args=<optimized out>, marshal_data=<optimized out>, n_params=<optimized out>, param_types=0x3307560) at /build/buildd/glib2.0-2.38.0/./gobject/gmarshal.c:1004
 _g_closure_invoke_va (closure=0x33991f0, return_value=0x0, instance=0x32f4f00, args=0x7fff487c6438, n_params=1, param_types=0x3307560) at /build/buildd/glib2.0-2.38.0/./gobject/gclosure.c:840

Changed in gnome-control-center (Ubuntu):
importance: Undecided → Medium
tags: removed: need-amd64-retrace
information type: Private → Public
Ara Pulido (ara) wrote :

Is this happening in Trusty?

Changed in oem-priority:
status: New → Incomplete
Sebastien Bacher (seb128) wrote :

The code change doesn't seem to be in unity-control-center, do you think you could submit a merge request with it? (note that we currently have 1 sound listed only so it's not likely an issue in practice for most users)

The upstream commit to backport is

Ara Pulido (ara) on 2014-07-02
Changed in oem-priority:
importance: Undecided → High
Changed in gnome-control-center (Ubuntu):
importance: Medium → High
Madper Xie (bbboson) wrote :

I pushed the fix. And I received the email tell me it is approved.
"the vcs to use is lp:~ubuntu-desktop/gnome-control-center/precise (see debian/control), I've merged there and uploaded for you"

description: updated
Nidal R (nidalrashid) wrote :

So is this bug still unfixed or is someone gonna close it?

Madper Xie (bbboson) wrote :

The issue can be only found in gnome-control-center. Unity-control-center won't load extra sound themes by some reason. (by design or a bug? not sure.) So user won't trigger the crash in trusty.
However seems Ara think the behavior of unity-control-center is a bug and plan to fix it in future. I'm glad to push the fix to trusty and Utopic.

Hello Roland, or anyone else affected,

Accepted gnome-control-center into precise-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 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 to verification-done. If it does not fix the bug for you, please add a comment stating that, and change the tag to verification-failed. In either case, details of your testing will help us make a better decision.

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

tags: added: verification-needed
Chris Halse Rogers (raof) wrote :

Normally we'd want the bug to contain the information found in , but since the code change here is simple and clearly not incorrect, I've accepted anyway.

Changed in gnome-control-center (Ubuntu):
status: New → Fix Committed
tags: added: precise
Changed in gnome-control-center:
importance: Unknown → Medium
status: Unknown → Fix Released
Ara Pulido (ara) on 2014-08-11
no longer affects: oem-priority/trunk
Changed in oem-priority:
status: Incomplete → In Progress
Madper Xie (bbboson) wrote :

In precise:
with old version of gnome-control-center the bug will be trigger every time.
with gnome-control-center 1:3.4.2-0ubuntu0.13.2 I tested more than 50 times and no crash happen.
In trust:
Tested more than 20 times and can't reproduce it. (my version is 1:3.6.3-0ubuntu56.1 ).

Madper Xie (bbboson) on 2014-08-26
tags: added: verification-done
tags: removed: verification-needed

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.

Launchpad Janitor (janitor) wrote :

This bug was fixed in the package gnome-control-center - 1:3.4.2-0ubuntu0.13.3

gnome-control-center (1:3.4.2-0ubuntu0.13.3) precise; urgency=medium

  * sound: fix potential memory corruption (LP: #1236612)
 -- Madper Xie <email address hidden> Mon, 07 Jul 2014 13:41:57 +0800

Changed in gnome-control-center (Ubuntu):
status: Fix Committed → Fix Released
Changed in gnome-control-center (Ubuntu Precise):
status: New → Fix Released
Changed in gnome-control-center (Ubuntu):
status: Fix Released → Triaged
Changed in unity-control-center (Ubuntu Precise):
status: New → Invalid
Ara Pulido (ara) on 2014-09-03
Changed in oem-priority:
status: In Progress → Fix Released
Jeremy Bicha (jbicha) on 2017-05-16
Changed in gnome-control-center (Ubuntu):
status: Triaged → Fix Released
Changed in unity-control-center (Ubuntu):
status: New → Invalid
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