[Bug 1945114] Re: apport-gtk crashed with SIGSEGV in _gtk_settings_get_screen()

[Benjamin Drung]

** Information type changed from Private to Public

** Description changed:

  apport-gtk crashed with SIGSEGV in g_type_create_instance() On login to
  unity session this error report was generated
+ 
+ Steps to reproduce:
+ 
+ 1. Use GNOME with GNOME shell
+ 2. killall -11 gnome-shell
+ 
+ Suspicious Apport log:
+ 
+ gdbus call error: Error:
+ GDBus.Error:org.freedesktop.DBus.Error.ServiceUnknown: The name
+ org.gnome.SessionManager was not provided by any .service files
  
  ProblemType: Crash
  DistroRelease: Ubuntu 21.10
  Package: apport-gtk 2.20.11-0ubuntu69
  ProcVersionSignature: Ubuntu 5.13.0-16.16-generic 5.13.13
  Uname: Linux 5.13.0-16-generic x86_64
  ApportVersion: 2.20.11-0ubuntu69
  Architecture: amd64
  CasperMD5CheckResult: pass
  CurrentDesktop: GNOME
  Date: Sun Sep 26 21:35:23 2021
  ExecutablePath: /usr/share/apport/apport-gtk
  InstallationDate: Installed on 2021-09-26 (0 days ago)
  InstallationMedia: Ubuntu 21.10 "Impish Indri" - Beta amd64 (20210924)
  InterpreterPath: /usr/bin/python3.9
  PackageArchitecture: all
  ProcCmdline: /usr/bin/python3 /usr/share/apport/apport-gtk
  ProcEnviron:
-  LANGUAGE=en_IN:en
-  PATH=(custom, no user)
-  XDG_RUNTIME_DIR=<set>
-  LANG=en_IN
-  SHELL=/bin/bash
+  LANGUAGE=en_IN:en
+  PATH=(custom, no user)
+  XDG_RUNTIME_DIR=<set>
+  LANG=en_IN
+  SHELL=/bin/bash
  Python3Details: /usr/bin/python3.9, Python 3.9.7, python3-minimal, 3.9.4-1
  PythonDetails: N/A
  SegvAnalysis:
-  Segfault happened at: 0x7fec34a2fb44:	mov    0x18(%rax),%rax
-  PC (0x7fec34a2fb44) ok
-  source "0x18(%rax)" (0x00000018) not located in a known VMA region (needed readable region)!
-  destination "%rax" ok
+  Segfault happened at: 0x7fec34a2fb44:	mov    0x18(%rax),%rax
+  PC (0x7fec34a2fb44) ok
+  source "0x18(%rax)" (0x00000018) not located in a known VMA region (needed readable region)!
+  destination "%rax" ok
  SegvReason: reading NULL VMA
  Signal: 11
  SourcePackage: apport
  StacktraceTop:
-  ?? () from /lib/x86_64-linux-gnu/libgtk-3.so.0
-  ?? () from /lib/x86_64-linux-gnu/libgtk-3.so.0
-  ?? () from /lib/x86_64-linux-gnu/libgtk-3.so.0
-  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
+  ?? () from /lib/x86_64-linux-gnu/libgtk-3.so.0
+  ?? () from /lib/x86_64-linux-gnu/libgtk-3.so.0
+  ?? () from /lib/x86_64-linux-gnu/libgtk-3.so.0
+  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
  Title: apport-gtk 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:

** Changed in: apport (Ubuntu)
       Status: Confirmed => Triaged

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https://bugs.launchpad.net/bugs/1945114

Title:
  apport-gtk crashed with SIGSEGV in _gtk_settings_get_screen()

Status in apport package in Ubuntu:
  Triaged

Bug description:
  apport-gtk crashed with SIGSEGV in g_type_create_instance() On login
  to unity session this error report was generated

  Steps to reproduce:

  1. Use GNOME with GNOME shell
  2. killall -11 gnome-shell

  Suspicious Apport log:

  gdbus call error: Error:
  GDBus.Error:org.freedesktop.DBus.Error.ServiceUnknown: The name
  org.gnome.SessionManager was not provided by any .service files

  ProblemType: Crash
  DistroRelease: Ubuntu 21.10
  Package: apport-gtk 2.20.11-0ubuntu69
  ProcVersionSignature: Ubuntu 5.13.0-16.16-generic 5.13.13
  Uname: Linux 5.13.0-16-generic x86_64
  ApportVersion: 2.20.11-0ubuntu69
  Architecture: amd64
  CasperMD5CheckResult: pass
  CurrentDesktop: GNOME
  Date: Sun Sep 26 21:35:23 2021
  ExecutablePath: /usr/share/apport/apport-gtk
  InstallationDate: Installed on 2021-09-26 (0 days ago)
  InstallationMedia: Ubuntu 21.10 "Impish Indri" - Beta amd64 (20210924)
  InterpreterPath: /usr/bin/python3.9
  PackageArchitecture: all
  ProcCmdline: /usr/bin/python3 /usr/share/apport/apport-gtk
  ProcEnviron:
   LANGUAGE=en_IN:en
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_IN
   SHELL=/bin/bash
  Python3Details: /usr/bin/python3.9, Python 3.9.7, python3-minimal, 3.9.4-1
  PythonDetails: N/A
  SegvAnalysis:
   Segfault happened at: 0x7fec34a2fb44:	mov    0x18(%rax),%rax
   PC (0x7fec34a2fb44) ok
   source "0x18(%rax)" (0x00000018) not located in a known VMA region (needed readable region)!
   destination "%rax" ok
  SegvReason: reading NULL VMA
  Signal: 11
  SourcePackage: apport
  StacktraceTop:
   ?? () from /lib/x86_64-linux-gnu/libgtk-3.so.0
   ?? () from /lib/x86_64-linux-gnu/libgtk-3.so.0
   ?? () from /lib/x86_64-linux-gnu/libgtk-3.so.0
   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
  Title: apport-gtk 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:

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