Public bug reported:
In Ubuntu 12.04 LTS I get the following error whenever I use the File->Open
Containing Folder feature.
Could not open the containing folder.
Failed to execute child process "pcmanfm" (Permission denied)
This is precisely bug #864992, but for LXDE instead of Gnome.
The problem is fixed for LXDE (and presumably KDE and XFCE) by
replacing "/usr/bin/nautilus Cx -> sanitized_helper" with the following
to /etc/apparmor.d/usr.bin.evince
/usr/bin/nautilus Cx -> sanitized_helper, #Gnome File Manager
/usr/bin/pcmanfm Cx -> sanitized_helper, #LXDE File Manager
/usr/bin/krusader Cx -> sanitized_helper, #KDE File Manager
/usr/bin/thunar Cx -> sanitized_helper, #XFCE File Manager
(and then running: "sudo /etc/init.d/apparmor reload")
As with bug #864992 the chance of a regression is low, and it should not
increase the attack surface in the slightest unless pcmanfm, krusader or
thunar were installed (they wouldn't exist in a default Ubuntu install,
unless the user manually installed them, in which case the user probably
wants to be allowed to use them).
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: evince-common 3.4.0-0ubuntu1
ProcVersionSignature: Ubuntu 3.2.0-26.41-generic 3.2.19
Uname: Linux 3.2.0-26-generic i686
ApportVersion: 2.0.1-0ubuntu8
Architecture: i386
Date: Tue Jul 10 20:40:45 2012
InstallationMedia: Lubuntu 12.04 "Precise Pangolin" - Release i386 (20120423)
PackageArchitecture: all
ProcEnviron:
TERM=xterm
SHELL=/bin/bash
PATH=(custom, user)
LANG=en_AU.UTF-8
LANGUAGE=en_AU:en
SourcePackage: evince
UpgradeStatus: No upgrade log present (probably fresh install)
mtime.conffile..etc.apparmor.d.usr.bin.evince: 2012-07-10T20:40:30.549025
** Affects: evince (Ubuntu)
Importance: Undecided
Status: New
** Tags: apparmor apport-bug i386 precise
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https://bugs.launchpad.net/bugs/1022962
Title:
LXDE: "Show Containing Folder" button failed to execute err
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