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[Julian Taylor <jtaylor.debian@xxxxxxxxxxxxxx>]

no it seems to have been fixed recently

** Changed in: gnome-screensaver (Ubuntu)
       Status: Confirmed => Fix Released

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https://bugs.launchpad.net/bugs/825151

Title:
  gnome-screensaver crashed with SIGSEGV in cairo_pattern_reference()

Status in “gnome-screensaver” package in Ubuntu:
  Fix Released

Bug description:
  the screensaver did show a password prompt when  to the pc (dual monitor setup, unity2d, fglrx 11.7).
  So I changed to a terminal (ctrl+alt+f<..>) and immediately changed back again and the screensaver crashed allowing me to use my pc again.
  I did not need to use my password to get back to the desktop, so I guess this is a security issue.

  ProblemType: Crash
  DistroRelease: Ubuntu 11.10
  Package: gnome-screensaver 3.0.0-2ubuntu2
  ProcVersionSignature: Ubuntu 3.0.0-8.10-generic 3.0.1
  Uname: Linux 3.0.0-8-generic x86_64
  NonfreeKernelModules: fglrx
  Architecture: amd64
  CrashCounter: 1
  Date: Fri Aug 12 13:48:34 2011
  ExecutablePath: /usr/bin/gnome-screensaver
  InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Alpha amd64 (20110805)
  ProcCmdline: /usr/bin/gnome-screensaver --no-daemon
  ProcEnviron:
   SHELL=/bin/bash
   PATH=(custom, no user)
   LANGUAGE=en_US:en
   LANG=en_US.UTF-8
  SegvAnalysis:
   Segfault happened at: 0x7f074e9e8859 <cairo_pattern_reference+9>:	mov    0x4(%rdi),%eax
   PC (0x7f074e9e8859) ok
   source "0x4(%rdi)" (0x00000005) not located in a known VMA region (needed readable region)!
   destination "%eax" ok
  SegvReason: reading NULL VMA
  Signal: 11
  SourcePackage: gnome-screensaver
  StacktraceTop:
   cairo_pattern_reference () from /usr/lib/x86_64-linux-gnu/libcairo.so.2
   gdk_window_set_background_pattern () from /usr/lib/libgdk-3.so.0
   gtk_style_context_set_background () from /usr/lib/libgtk-3.so.0
   ?? () from /usr/lib/libgtk-3.so.0
   g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  Title: gnome-screensaver crashed with SIGSEGV in cairo_pattern_reference()
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare sbuild

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