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[Rami Hakim <1837389@xxxxxxxxxxxxxxxxxx>]

It's happening more and more frequently , now it's happening different ,
one screen is locked , the second is open , but unclickable but you
could see everything on screen and switch between Windows

You can't lock the second screen unless you open the first one(it might be black screen)
So one screen is locked with security and the second is not locked , or half locked.

** Also affects: indicator-applet (Ubuntu)
   Importance: Undecided
       Status: New

** Information type changed from Public to Public Security

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https://bugs.launchpad.net/bugs/1837389

Title:
  mate-screensaver crashes

Status in indicator-applet package in Ubuntu:
  New
Status in mate-screensaver package in Ubuntu:
  New

Bug description:
  Hello ,

  This is the second time happening , at the first time I thought it simply crashed because whatever happened to it ,
  But when it happens (I am not at keyboard when it happens) , I see 2 notifications , the first one that pop-up has crashed , the second one mate-screensaver has crashed , and I have no prompt for password when both of them crash

  ERROR: apport (pid 19117) Mon Jul 22 14:32:02 2019: called for pid 19055, signal 5, core limit 0, dump mode 1
  ERROR: apport (pid 19117) Mon Jul 22 14:32:02 2019: executable: /usr/lib/mate-notification-daemon/mate-notification-daemon (command line "/usr/lib/mate-notification-daemon/mate-notification-daemon")
  ERROR: apport (pid 19117) Mon Jul 22 14:32:02 2019: debug: session gdbus call: (true,)

  ERROR: apport (pid 19117) Mon Jul 22 14:32:03 2019: wrote report /var/crash/_usr_lib_mate-notification-daemon_mate-notification-daemon.1000.crash
  ERROR: apport (pid 19187) Mon Jul 22 14:32:03 2019: called for pid 5169, signal 11, core limit 0, dump mode 1
  ERROR: apport (pid 19187) Mon Jul 22 14:32:03 2019: executable: /usr/bin/mate-screensaver (command line "/usr/bin/mate-screensaver --no-daemon")
  ERROR: apport (pid 19187) Mon Jul 22 14:32:03 2019: debug: session gdbus call: (true,)

  ERROR: apport (pid 19187) Mon Jul 22 14:32:12 2019: wrote report /var/crash/_usr_bin_mate-screensaver.1000.crash
  ERROR: apport (pid 21680) Mon Jul 22 14:59:21 2019: called for pid 5771, signal 5, core limit 0, dump mode 1

  ERROR: apport (pid 5036) Fri Jul 19 15:28:08 2019: called for pid 4971, signal 5, core limit 0, dump mode 1
  ERROR: apport (pid 5036) Fri Jul 19 15:28:08 2019: executable: /usr/lib/mate-notification-daemon/mate-notification-daemon (command line "/usr/lib/mate-notification-daemon/mate-notification-daemon")
  ERROR: apport (pid 5036) Fri Jul 19 15:28:08 2019: debug: session gdbus call: (true,)

  ERROR: apport (pid 5036) Fri Jul 19 15:28:09 2019: wrote report /var/crash/_usr_lib_mate-notification-daemon_mate-notification-daemon.1000.crash
  ERROR: apport (pid 5107) Fri Jul 19 15:28:09 2019: called for pid 2797, signal 11, core limit 0, dump mode 1
  ERROR: apport (pid 5107) Fri Jul 19 15:28:09 2019: executable: /usr/bin/mate-screensaver (command line "mate-screensaver")
  ERROR: apport (pid 5107) Fri Jul 19 15:28:09 2019: debug: session gdbus call: (true,)

  ERROR: apport (pid 5107) Fri Jul 19 15:28:17 2019: wrote report
  /var/crash/_usr_bin_mate-screensaver.1000.crash

  I have the crash files if you need them , Or you could tell me what exactly you need from me or how to send you the dump crashes and whether they contain private information or not , please tell me 
  I set this as Security risk because once it crashes , you are free to go with the PC , and I don't know if someone manages to crash it will be able to bypass the login screen.

  Screensaver crashes and it allows you to have control over the PC with
  no need for password or anything else.

  Release 18.04.2 LTS (Bionic Beaver) 64-bit
  Kernel Linux 4.18.0-25-generic x86_64
  MATE 1.20.1
  --- 
  ProblemType: Bug
  ApportVersion: 2.20.9-0ubuntu7.7
  Architecture: amd64
  CurrentDesktop: MATE
  DistroRelease: Ubuntu 18.04
  InstallationDate: Installed on 2019-06-11 (48 days ago)
  InstallationMedia: Ubuntu-MATE 18.04.2 LTS "Bionic Beaver" - Release amd64 (20190210)
  Package: mate-screensaver 1.20.0-1
  PackageArchitecture: amd64
  ProcVersionSignature: Ubuntu 4.18.0-25.26~18.04.1-generic 4.18.20
  Tags:  bionic
  Uname: Linux 4.18.0-25-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  _MarkForUpload: True

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