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[Bug 896638] [NEW] Screen lock does not grab all keys

 

Public bug reported:

When screen is locked with gnome screensaver, it is still possible to
send Win-key event to the underlaying desktop. I think there should be
no way to interact with the underlaying desktop without unlocking.

To reproduce:
 1. Start from Unity session. Make sure that Dash is not open.
 2. Lock screen from the top-right gear button
 3. Press shift to make the unlock dialog appear
 4. Press Windows key
 5. Type in your password and unlock the screen

What should happen:
The desktop should be in the same state it was left before the locking. Dash should not be open.

What happens:
Dash has been opened, i.e. the Windows key event was passed to desktop although it was locked.

Wonder if it is possible to pass through any other key events. Didn't
find any though with a quick test.

ProblemType: Bug
DistroRelease: Ubuntu 11.10
Package: gnome-screensaver 3.2.0-0ubuntu1
ProcVersionSignature: Ubuntu 3.0.0-12.20-generic 3.0.4
Uname: Linux 3.0.0-12-generic i686
ApportVersion: 1.23-0ubuntu4
Architecture: i386
Date: Sat Nov 26 19:01:25 2011
EcryptfsInUse: Yes
ProcEnviron:
 LC_TIME=en_DK.UTF-8
 LANGUAGE=en_US:en
 PATH=(custom, user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: gnome-screensaver
UpgradeStatus: Upgraded to oneiric on 2011-10-28 (29 days ago)

** Affects: gnome-screensaver (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: apport-bug i386 oneiric running-unity

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https://bugs.launchpad.net/bugs/896638

Title:
  Screen lock does not grab all keys

Status in “gnome-screensaver” package in Ubuntu:
  New

Bug description:
  When screen is locked with gnome screensaver, it is still possible to
  send Win-key event to the underlaying desktop. I think there should be
  no way to interact with the underlaying desktop without unlocking.

  To reproduce:
   1. Start from Unity session. Make sure that Dash is not open.
   2. Lock screen from the top-right gear button
   3. Press shift to make the unlock dialog appear
   4. Press Windows key
   5. Type in your password and unlock the screen

  What should happen:
  The desktop should be in the same state it was left before the locking. Dash should not be open.

  What happens:
  Dash has been opened, i.e. the Windows key event was passed to desktop although it was locked.

  Wonder if it is possible to pass through any other key events. Didn't
  find any though with a quick test.

  ProblemType: Bug
  DistroRelease: Ubuntu 11.10
  Package: gnome-screensaver 3.2.0-0ubuntu1
  ProcVersionSignature: Ubuntu 3.0.0-12.20-generic 3.0.4
  Uname: Linux 3.0.0-12-generic i686
  ApportVersion: 1.23-0ubuntu4
  Architecture: i386
  Date: Sat Nov 26 19:01:25 2011
  EcryptfsInUse: Yes
  ProcEnviron:
   LC_TIME=en_DK.UTF-8
   LANGUAGE=en_US:en
   PATH=(custom, user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: gnome-screensaver
  UpgradeStatus: Upgraded to oneiric on 2011-10-28 (29 days ago)

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