Really strange problem with evince PDF reader and .mutt directory
nunojsilva at ist.utl.pt
nunojsilva at ist.utl.pt
Sun Oct 20 13:02:15 UTC 2019
On 2019-10-20, Chris Green wrote:
> On Sun, Oct 20, 2019 at 11:01:02AM +0200, Matthias Apitz wrote:
>> El día domingo, octubre 20, 2019 a las 09:25:46a. m. +0100, Nuno Silva escribió:
>>
>> > On 2019-10-19, José María Mateos wrote:
>> >
>> > > On Sat, 19 Oct 2019 19:17:06 +0100 Chris Green <cl at isbd.net> wrote:
>> > >> Running 'evince ~/.mitt/fred.pdf' displays the PDF file successfully
>> > >> but running 'evince ~/.mutt/fred.pdf' produces a Permission Denied
>> > >> message in a pop-up window. All directory names I have tried other
>> > >> than .mutt allow the PDF file to be read.
>>
>> I can't reproduce this on FreeBSD. The OP could run on any Linux (don't
>> know if the problem is on Linux):
>>
>> strace -o evince.tr -f evince ~/.mutt/fred.pdf
>>
>> and look into the file evince.tr which open(2) or stat(2) gives a
>> Permission Denied and why. If the OP can't see this, he/she should
>> post this file somewhere.
>>
>> matthias
>>
> I'm running xubuntu 19.04 on both systems which show this bug. I
> don't have evince on any other system at the moment.
>
> I will try the strace and also I may try installing evince on a system
> which is running xubuntu 18.04 to see if the bug is there too.
>
> Thanks everyone and listen to this space! :-)
Do these systems have apparmor? It seems to be some sort of security
tool which restricts access to files and directories based on rules.
I don't use ubuntu (or ubuntu-based) systems nor apparmor, but this
looks like it might be related:
https://gitlab.com/apparmor/apparmor/raw/master/profiles/apparmor.d/abstractions/private-files
--
Nuno Silva
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