** Changed in: gnome-shell (Ubuntu)
     Assignee: (unassigned) => Marco Trevisan (Treviño) (3v1n0)

** Description changed:

+ [ Impact ]
+ 
+ gnome-shell randomly crashes
+ 
+ [ Test case ]
+ 
+ There's not a real case for this crash, while it's the most recorded in
+ e.u.c for bionic, there's no a known way to reproduce this.
+ 
+ [ Regression potential ]
+ 
+ Gnome-shell has invalid theme for scrolled views
+ 
+ ---
+ 
  https://errors.ubuntu.com/problem/f74709b604cdae437acbd6591fe8933bc3d8750a
  Upstream bug: https://gitlab.gnome.org/GNOME/gnome-shell/issues/467
  Upstream fix: https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/190
  
  ---
  
  I was restoring a backup when this occurred.  I was not interacting with
  the system at the time.
  
  ProblemType: CrashDistroRelease: Ubuntu 17.10
  Package: gnome-shell 3.26.1-0ubuntu4
  ProcVersionSignature: Ubuntu 4.13.0-16.19-generic 4.13.4
  Uname: Linux 4.13.0-16-generic x86_64
  ApportVersion: 2.20.7-0ubuntu3
  Architecture: amd64
  CurrentDesktop: ubuntu:GNOME
  Date: Fri Oct 20 06:58:55 2017
  DisplayManager: gdm3
  ExecutablePath: /usr/bin/gnome-shell
  GsettingsChanges:
   b'org.gnome.shell' b'favorite-apps' b"['google-chrome.desktop', 
'firefox.desktop', 'rhythmbox.desktop', 'org.gnome.Nautilus.desktop', 
'org.gnome.Software.desktop', 'yelp.desktop', 'ubuntu-amazon-default.desktop']"
   b'org.gnome.desktop.interface' b'gtk-im-module' b"'gtk-im-context-simple'"
  InstallationDate: Installed on 2017-10-20 (0 days ago)
  InstallationMedia: Ubuntu 17.10 "Artful Aardvark" - Alpha amd64 (20170906)
  ProcCmdline: /usr/bin/gnome-shell
  ProcEnviron:
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SegvAnalysis:
   Segfault happened at: 0x7f840ef624f1 <st_widget_style_changed+17>:   orb    
$0x1,0x30(%rbx)
   PC (0x7f840ef624f1) ok
   source "$0x1" ok
   destination "0x30(%rbx)" (0xfffffffffffffbf0) not located in a known VMA 
region (needed writable region)!
- SegvReason: writing unknown VMA
- Signal: 11SourcePackage: gnome-shell
+ SegvReason: writing unknown VMASignal: 11SourcePackage: gnome-shell
  StacktraceTop:
   st_widget_style_changed () from /usr/lib/gnome-shell/libst-1.0.so
   ?? () from /usr/lib/gnome-shell/libst-1.0.so
   ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
   g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
   g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  Title: gnome-shell crashed with SIGSEGV in st_widget_style_changed()
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

** Description changed:

  [ Impact ]
  
  gnome-shell randomly crashes
  
  [ Test case ]
  
- There's not a real case for this crash, while it's the most recorded in
- e.u.c for bionic, there's no a known way to reproduce this.
+ There's not a real case for this crash, while it's the most recorded in e.u.c 
for bionic, there's no a known way to reproduce this.
+ So, monitoring e.u.c results is the easiest way to check if this fixes the 
issue
  
  [ Regression potential ]
  
  Gnome-shell has invalid theme for scrolled views
  
  ---
  
  https://errors.ubuntu.com/problem/f74709b604cdae437acbd6591fe8933bc3d8750a
  Upstream bug: https://gitlab.gnome.org/GNOME/gnome-shell/issues/467
  Upstream fix: https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/190
  
  ---
  
  I was restoring a backup when this occurred.  I was not interacting with
  the system at the time.
  
  ProblemType: CrashDistroRelease: Ubuntu 17.10
  Package: gnome-shell 3.26.1-0ubuntu4
  ProcVersionSignature: Ubuntu 4.13.0-16.19-generic 4.13.4
  Uname: Linux 4.13.0-16-generic x86_64
  ApportVersion: 2.20.7-0ubuntu3
  Architecture: amd64
  CurrentDesktop: ubuntu:GNOME
  Date: Fri Oct 20 06:58:55 2017
  DisplayManager: gdm3
  ExecutablePath: /usr/bin/gnome-shell
  GsettingsChanges:
   b'org.gnome.shell' b'favorite-apps' b"['google-chrome.desktop', 
'firefox.desktop', 'rhythmbox.desktop', 'org.gnome.Nautilus.desktop', 
'org.gnome.Software.desktop', 'yelp.desktop', 'ubuntu-amazon-default.desktop']"
   b'org.gnome.desktop.interface' b'gtk-im-module' b"'gtk-im-context-simple'"
  InstallationDate: Installed on 2017-10-20 (0 days ago)
  InstallationMedia: Ubuntu 17.10 "Artful Aardvark" - Alpha amd64 (20170906)
  ProcCmdline: /usr/bin/gnome-shell
  ProcEnviron:
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SegvAnalysis:
   Segfault happened at: 0x7f840ef624f1 <st_widget_style_changed+17>:   orb    
$0x1,0x30(%rbx)
   PC (0x7f840ef624f1) ok
   source "$0x1" ok
-  destination "0x30(%rbx)" (0xfffffffffffffbf0) not located in a known VMA 
region (needed writable region)!
- SegvReason: writing unknown VMASignal: 11SourcePackage: gnome-shell
+  destination "0x30(%rbx)" (0xfffffffffffffbf0) not located in a known VMA 
region (needed writable region)!SegvReason: writing unknown VMASignal: 
11SourcePackage: gnome-shell
  StacktraceTop:
   st_widget_style_changed () from /usr/lib/gnome-shell/libst-1.0.so
   ?? () from /usr/lib/gnome-shell/libst-1.0.so
   ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
   g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
   g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  Title: gnome-shell crashed with SIGSEGV in st_widget_style_changed()
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

-- 
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https://bugs.launchpad.net/bugs/1725312

Title:
  gnome-shell crashed with SIGSEGV in st_widget_style_changed() from
  st_scroll_view_style_changed()

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