gnome-control-center crashed with SIGSEGV in get_renderer_from_helper()

[Krzysztof]

I clicked Show Applications -> Settings -> About and the gnome-control-center crashed with this error that I am reporting here.

https://errors.ubuntu.com/problem/56089f562d44d6c5438098879570f9bb19f30c8e

ktaraszk@x1:~$ lsb_release -rd
Description: Ubuntu Focal Fossa (development branch)
Release: 20.04

ktaraszk@x1:~$ apt-cache policy gnome-control-center
gnome-control-center:
  Installed: 1:3.36.1-1ubuntu3
  Candidate: 1:3.36.1-1ubuntu3
  Version table:
 *** 1:3.36.1-1ubuntu3 500
        500 http://pl.archive.ubuntu.com/ubuntu focal/main amd64 Packages
        100 /var/lib/dpkg/status

ProblemType: Crash
DistroRelease: Ubuntu 20.04
Package: gnome-control-center 1:3.36.1-1ubuntu3
ProcVersionSignature: Ubuntu 5.4.0-21.25-generic 5.4.27
Uname: Linux 5.4.0-21-generic x86_64
ApportVersion: 2.20.11-0ubuntu22
Architecture: amd64
CrashCounter: 1
CurrentDesktop: ubuntu:GNOME
Date: Sat Apr 4 10:06:09 2020
ExecutablePath: /usr/bin/gnome-control-center
InstallationDate: Installed on 2020-03-18 (17 days ago)
InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Alpha amd64 (20200309)
ProcCmdline: gnome-control-center
SegvAnalysis:
 Segfault happened at: 0x7efec14c25a5 <__strlen_avx2+21>: vpcmpeqb (%rdi),%ymm0,%ymm1
 PC (0x7efec14c25a5) ok
 source "(%rdi)" (0xf1fb487a44088da) not located in a known VMA region (needed readable region)!
 destination "%ymm0" ok
SegvReason: reading unknown VMA
Signal: 11
SourcePackage: gnome-control-center
StacktraceTop:
 ?? ()
 ?? ()
 g_type_create_instance () from /lib/x86_64-linux-gnu/libgobject-2.0.so.0
 ?? () from /lib/x86_64-linux-gnu/libgobject-2.0.so.0
 g_object_new_valist () from /lib/x86_64-linux-gnu/libgobject-2.0.so.0
Title: gnome-control-center crashed with SIGSEGV in g_type_create_instance()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin lxd plugdev sambashare sudo
separator:

[Apport retracing service (apport)]

StacktraceTop:
 get_renderer_from_helper (env=env@entry=0x7efea802f040) at ../panels/info-overview/cc-info-overview-panel.c:256
 get_renderer_from_switcheroo () at ../panels/info-overview/cc-info-overview-panel.c:363
 get_graphics_hardware_string () at ../panels/info-overview/cc-info-overview-panel.c:401
 info_overview_panel_setup_overview (self=<optimized out>) at ../panels/info-overview/cc-info-overview-panel.c:709
 cc_info_overview_panel_init (self=<optimized out>) at ../panels/info-overview/cc-info-overview-panel.c:856

[Sebastien Bacher (seb128)]

Thank you for you bug report, could you start with doing
$ G_MESSAGES_DEBUG=all gnome-control-center info-overview
and add the log to the bug?

[Launchpad Janitor (janitor)]

This bug was fixed in the package gnome-control-center - 1:3.36.1-1ubuntu5

---------------
gnome-control-center (1:3.36.1-1ubuntu5) focal; urgency=medium

  * debian/patches/git-info-crash-on-nvidia.patch:
    - backport a fix for an info panel segfault on nvidia cards
      (lp: #1870737)
  * debian/patches/git-nongnome-segfault.patch:
    - don't segfault when started outside of GNOME (lp: #1870735)

  [ Marco Trevisan ]
  * d/p/0028-user-panel-Add-reference-to-selected-user-and-clear-.patch,
  * d/p/0029-user-panel-Don-t-wait-for-fprintd-on-initialization.patch,
    d/p/0030-fingerprint-dialog-Don-t-use-sync-calls-for-deleting.patch,
    d/p/0031-fingerprint-dialog-Don-t-limit-the-number-of-maximum.patch:
    - Don't wait for fprintd on initialization and don't limit enroll stages
      (lp: #1865845)

  [ Robert Ancell ]
  * debian/patches/0027-window-Stop-using-HdyLeaflet.patch:
    - Disable adaptive layouts, theres some bugs and they're not required on
      desktop (LP: #1871195)
  * debian/patches/0028-applications-Fix-only-connected-snap-interfaces-show.patch:
    - Fix disconnected snap interfaces not showing (LP: #1870600)
  * debian/patches/0029-applications-Use-new-snapd-glib-API-for-labelling-Sn.patch:
  * debian/control:
    - Use shared names for snap interfaces, fixing some interfaces that don't
      have labels.

  [ Gunnar Hjalmarsson ]
  * debian/patches/0030-temporarily-revert-alt-char-key.patch:
    - Revert the "Alternate Characters Key" commit temporarily awaiting
      a proper fix of LP: #1867548.

 -- Sebastien Bacher <email address hidden> Thu, 16 Apr 2020 12:30:37 +0200