gnome-shell crashed with SIGSEGV in meta_wayland_surface_role_get_window() from meta_wayland_surface_get_window() from zwp_xwayland_keyboard_grab_manager_grab() from ffi_call_unix64() from ffi_call_int()

[errors.ubuntu.com bug bridge]

The Ubuntu Error Tracker has been receiving reports about a problem regarding gnome-shell. This problem was most recently seen with package version 3.36.0-2ubuntu1, the problem page at https://errors.ubuntu.com/problem/ff42eead605b129cd8af8ffccc85daf23b920d02 contains more details, including versions of packages affected, stacktrace or traceback, and individual crash reports.
If you do not have access to the Ubuntu Error Tracker and are a software developer, you can request it at http://forms.canonical.com/reports/.

[Launchpad Janitor (janitor)]

This bug was fixed in the package mutter - 3.36.1-3ubuntu1

---------------
mutter (3.36.1-3ubuntu1) focal; urgency=medium

  * Merge with debian, with new upstream releases and cherry-picked fixes:
    - Screens turn off when setting display scaling to 200% (LP: #1869750)
    - Use hardware cursor for DisplayLink devices (LP: #1867757)
    - Fix popup menus with using focus-follow-mouse (LP: #1871107)
    - Window manager key events are sent to the terminal (LP: #1866094)
    - Ensure assertion 'window->unmanaging || workspace != NULL' (LP: #1864326)
    - Shell crash on meta_wayland_surface_role_get_window (LP: #1869837)
  * d/p/x11-Add-support-for-fractional-scaling-using-Randr.patch:
    - Refreshed to respect upstream changes
    - Fixed a bug causing windows using direct-rendering to be continuously
      resized, keeping ability to use shell UI (LP: #1862081)
  * Remaining changes with debian:
    - debian/control:
      + Update VCS flags to point to ubuntu salsa branch
    - debian/gbp.conf: update branch to point to ubuntu/master
    - debian/patches/x11-Add-support-for-fractional-scaling-using-Randr.patch:
      + X11: Add support for fractional scaling using Randr

mutter (3.36.1-3) experimental; urgency=medium

  * Team upload
  * Update to upstream gnome-3-36 branch, commit 3.36.1-16-gdb164bcfa
    - Fix a crash during X11 drag-and-drop, for example when dragging
      a JPEG file onto GIMP's splash screen
    - Fix a crash in X11 input device handling
    - Translate coordinates of absolute input devices for rotated screens

mutter (3.36.1-2) experimental; urgency=medium

  * Team upload
  * Standards-Version: 4.5.0 (no changes required)
  * d/copyright: Consolidate entries and update
  * Update to upstream gnome-3-36 branch, commit 3.36.1-13-gbc47f0a1a

mutter (3.36.1-1) experimental; urgency=medium

  * Team upload
  * New upstream release
  * d/copyright: Update
  * Refresh patches
  * Update symbols file.
    Note that this includes ABI breaks: some symbols that are only used
    internally have disappeared from mutter's private fork of Clutter and
    Cogl. The only user of this version of mutter is GNOME Shell, which
    does not use these symbols.
  * d/patches: Update from gnome-3-36 branch up to 3.36.1-8-ge339a57dd
  * d/p/clutter-stage-Don-t-assume-stage-relayouts-reallocate-eve.patch:
    Add patch proposed upstream to fix a gnome-shell crash with the
    "Native window placement" extension.

 -- Marco Trevisan (Treviño) <email address hidden> Thu, 09 Apr 2020 14:40:58 +0200