Re: Question on firefox script and zombie??

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There has been an update to the firefox, and the issue doesn't seem to 
now occur. I had saved the old /usr/bin/firefox to firefox.org.
So, the differences are just these lines...

diff firefox firefox.org 
68d67
< GETENFORCE_FILE="/usr/sbin/getenforce"
186,187c185,186
<   if [ -x $GETENFORCE_FILE ] && [`getenforce` != "Disabled" ]; 
then
<     (restorecon -vr ~/.mozilla/firefox/* &)
---
>   if [ `getenforce` != "Disabled" ]; then
>     restorecon -vr ~/.mozilla/firefox/* &

On 24 Oct 2020 at 16:05, Todd Zullinger wrote:

Date sent:	Sat, 24 Oct 2020 16:05:44 -0400
From:	Todd Zullinger <tmz@xxxxxxxxx>
To:	users@xxxxxxxxxxxxxxxxxxxxxxx
Subject:	Re: Question on firefox script and zombie??
Send reply to:	Community support for Fedora users <users@xxxxxxxxxxxxxxxxxxxxxxx>

> Michael D. Setzer II via users wrote:
> > Notice that when running firefox I was seeing a zombie program running 
> > that is linked to restorecon??
> > 
> > Looked at script and found this line in it.
> > 
> >     restorecon -vr ~/.mozilla/firefox/* &
> > 
> > It does clear once firefox is closed, but nothing would clear it while 
> > running.
> > 
> > I changed the line to 
> >     restorecon -vr ~/.mozilla/firefox/* #&
> > And no longer get the zombie? 
> 
> The restorecon call was added (as you may have seen while
> editing /usr/bin/firefox) for bug #1731371¹.
> 
> The zombie process issue was noted in comment 16 of the
> ticket and was addressed in a subsequent update which may
> not have reached the stable repos yet.  The update with the
> fix is marked as stable in bodhi, but the push to get that
> into the repos may not have completed or not reached the
> mirror you're using.
> 
> In case you want to test the current update:
> 
> F31: https://bodhi.fedoraproject.org/updates/FEDORA-2020-947b399b81
> F32: https://bodhi.fedoraproject.org/updates/FEDORA-2020-16dc2f1aeb 
> 
> > Takes almost no time to run the command, so not  sure what
> > the purpose of have the & on the line is?
> 
> In many cases it might not, but if it were to block the
> startup of firefox, even by a few seconds, that would surely
> lead to bug reports for the Firefox maintainer(s) and a poor
> experience for users who have slower disk or whatever else
> might cause restorecon to be slow for them.
> 
> The fix that was implemented runs the restorecon command in
> a subshell, still in the background.
> 
> It looks like the longer-term fix is for Firefox to not need
> to call restorecon itself, but have restorecond handle this
> task as needed.  That's what I took from comments 21, 22, &
> 23 in bug #1731371.  A bug for the SELinux policycoreutils
> package was filed as #1888994² for that.
> 
> Hope that's useful info, Michael or anyone following along.
> 
> ¹ https://bugzilla.redhat.com/1731371 - Downloaded Widevine
>   plugin do have wrong SELinux label
> ² https://bugzilla.redhat.com/1888994
> 
> -- 
> Todd
> 


+------------------------------------------------------------+
 Michael D. Setzer II - Computer Science Instructor (Retired)     
 mailto:mikes@xxxxxxxx                            
 mailto:msetzerii@xxxxxxxxx
 Guam - Where America's Day Begins                        
 G4L Disk Imaging Project maintainer 
 http://sourceforge.net/projects/g4l/
+------------------------------------------------------------+


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