[Bug 1638835] Re: mate-screenshot crashed with SIGSEGV in gdk_property_get()

Vlad Orlov 1638835 at bugs.launchpad.net
Sun Nov 5 11:59:40 UTC 2017


It's fixed in Bionic as version 1.18.3 is there now.

** Changed in: mate-utils (Ubuntu Bionic)
       Status: In Progress => Fix Released

** Changed in: mate-utils (Ubuntu Bionic)
     Assignee: Vlad Orlov (monsta) => (unassigned)

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Title:
  mate-screenshot crashed with SIGSEGV in gdk_property_get()

Status in mate-utils package in Ubuntu:
  Fix Released
Status in mate-utils source package in Zesty:
  In Progress
Status in mate-utils source package in Artful:
  In Progress
Status in mate-utils source package in Bionic:
  Fix Released

Bug description:
  [Impact]

  Making screenshot of the current window might result in mate-
  screenshot crashing.

  The fix for this issue is provided in the debdiffs attached to the
  report.

  Would be nice to have the fix backported to Zesty and Artful, as the
  issue breaks one of the common features that users expect to work
  always.

  [Test Case]

  Use Alt-PrintScreen (or "mate-screenshot -w" from the terminal) to
  grab the current window.

  As stated in the original description, this should be tried on PowerPC
  machines to reproduce the bug reliably. In this case, mate-screenshot
  should crash. Intel/AMD machines may or may not be affected.

  [Regression Potential]

  The fix is achieved by removing some unneeded code from mate-
  screenshot. The code was obtaining window title from the current
  window, but that title wasn't used by any other parts of code
  afterwards. The only effect of removing that code is fixing the crash,
  as it happened exactly in that part. Therefore, there's no place for
  regressions here.

  [Original Description]

  mate-screenshot always crashes when doing a 'grab the current
  window'-screenshot. Doing a screenshot of the whole desktop works.
  Tested on Zestys daily iso on a PowerBook G4 5,6.

  ProblemType: Crash
  DistroRelease: Ubuntu 17.04
  Package: mate-utils 1.16.0-1
  ProcVersionSignature: Ubuntu 4.8.0-26.28-powerpc-smp 4.8.0
  Uname: Linux 4.8.0-26-powerpc-smp ppc
  ApportVersion: 2.20.3-0ubuntu8
  Architecture: powerpc
  CurrentDesktop: MATE
  Date: Thu Nov  3 09:45:07 2016
  ExecutablePath: /usr/bin/mate-screenshot
  InstallationDate: Installed on 2016-11-03 (0 days ago)
  InstallationMedia: Ubuntu-MATE 17.04 "Zesty Zapus" - Alpha powerpc (20161103)
  ProcCmdline: mate-screenshot --interactive
  ProcEnviron:
   LANGUAGE=de_AT:de
   PATH=(custom, user)
   XDG_RUNTIME_DIR=<set>
   LANG=de_AT.UTF-8
   SHELL=/bin/bash
  Signal: 11
  SourcePackage: mate-utils
  StacktraceTop:
   gdk_property_get () from /usr/lib/powerpc-linux-gnu/libgdk-3.so.0
   screenshot_get_window_title ()
   ?? ()
   ?? ()
   ?? () from /lib/powerpc-linux-gnu/libglib-2.0.so.0
  Title: mate-screenshot crashed with SIGSEGV in gdk_property_get()
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

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