Bug#766464: gksu pluma <any_file> sets the ownership of /run/user/1000/dconf/user to root:root

[Mike Gabriel]

Control: tag -1 wontfix

Hi Vlad,

On  Do 23 Okt 2014 12:17:51 CEST, Vlad Orlov wrote:

> Package: pluma
> Version: 1.8.1+dfsg1-2
> Severity: important
>
>
> Steps to reproduce:
>
> 0. Have a Debian Testing installation, fully updated, with pluma installed.
> 1. Run gksu pluma <any_file>. Even the files in your ~ will do.
> 2. ls -l /run/user/1000/dconf/user
> 3. Notice that the ownership of that file changed from you:you to root:root.
>
> You might also need to do some additional steps, like saving the file or
> simply opening the preferences dialog. But with the latest Testing updates
> I've found out it's enough to just run the editor.
>
>
> Impact on the system:
>
> Various unrelated apps might start eating 100% CPU or a lot of memory,
> or break in other ways. If run from the console, they will show you this:
>
> (dconf-editor:2593): dconf-CRITICAL **: unable to create file  
> '/run/user/1000/dconf/user': Permission denied.  dconf will not work  
> properly.
>
>
> Additional note:
>
> Does NOT happen if you use gksudo instead of gksu.
>
>
> Why reported against pluma instead of gksu:
>
> I've tried a couple of other text editors - leafpad, mousepad - and  
> they don't
> exhibit such a behavior, /run/user/1000/dconf/user stays owned by me.

Well...

The issue does not occur with leafpad nor mousepad as both don't use  
dconf under their bonnet.

Try running these command:

   $ apt-rdepends -r libdconf1 | grep mousepad
   $ apt-rdepends -r libdconf1 | grep leafpad

Though, you could try gedit:

   $ apt-rdepends -r libdconf1 | grep gedit

Running the above command for gedit shows that it very well depends on  
libdconf1, so it is quite likely that the error will occur there in  
the same way as it occurs to you in pluma.

Please track this issue down further. Try to find out, what  
application / library really changes ownership on  
/run/user/1000/dconf/user (you can use the strace command for that).

I will tag this bug with "wontfix" for now.

If you don't reassign it to another package within the next four  
weeks, I will close this bug as it is abolutely not related to the  
code you find in the pluma package.

Greets,
Mike



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