[pkg-apparmor] Bug#1051503: Bug#1051503: Bug#1051503: AppArmor blocks Evolution launch

Christian Boltz debian-bugs at cboltz.de
Sat Sep 9 12:47:46 BST 2023


Hello,

Am Samstag, 9. September 2023, 13:25:30 CEST schrieb intrigeri:
> dp217 (2023-09-08):
> > When trying to start the Evolution mail app, AppArmor does not allow
> > it to start and displays a message: apparmor="DENIED"
> > operation="mount" info="failed mntpnt match" error=-13
> > profile="/usr/bin/evolution" name="/" pid=1923 comm="bwrap"
> > flags="rw, silent, rslave"
> As far as I know we don't confine Evolution with AppArmor in Debian,
> so I suppose you've installed or enabled a profile yourself, and then
> I would encourage you to report this problem to the authors of
> said profile.
> 
> If my assumptions are incorrect, please help me understand :)

comm="bwrap"   looks like a hint towards bubblewrap, therefore my guess 
is that we are looking at a flatpak-packaged evolution here. But that's 
just a guess, so I'll wait for the feedback from the reporter.


That said:
The profile will need a mount rule added, probably
    mount options=(rw, silent, rslave) -> /,
(I know allowing evolution or bwrap to mount / looks strange, even if 
it's inside a sandbox. But I'm afraid that's what the sandbox needs.)

For the records. aa-logprof doesn't support mount rules yet (besides 
keeping/not breaking existing rules) which is why it doesn't ask 
anything for the DENIED event quoted above.


Regards,

Christian Boltz
-- 
[Unterschied zwischen "echten" MB (1024 kB) und "Marketing-MB" (1000 kB]
Wundert mich, daß Media Markt das noch nicht als Marktlücke entdeckt hat
:-)  537 MB-Speichermodule als Ersatz für herkömmliche 512 MB Module für
noch mehr Leistung -  garantiert überall lauffähig, wo auch die normalen
512 MB Module laufen *vbeg*        [Adalbert Michelic in suse-linux-faq]
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