[Bug 1659988] Re: Firefox apparmor profile: /usr/bin/python3: error while loading shared libraries: cannot apply additional memory protection after relocation: Permission denied

[William F Hammond]

@Thomas Mayer (thomas303)

I previously reported (on another page from where I was pointed here) this problem in Ubuntu 12.04.5 LTS.  Following suggestion I took the full profile version 7.  I did confirm that the problem was apparmor.  However with usr.bin.firefox_patched it began throwing parser errors one line at a time.
Without really understanding I began making these mods:
------
17,19c17,18
<   #include <abstractions/dbus-strict>
<   #include <abstractions/dbus-session-strict>
<   #include <abstractions/dconf>
---
>   #include <abstractions/dbus>
>   #include <abstractions/dbus-session>
25,26d23
<   #include <abstractions/ubuntu-unity7-base>
<   #include <abstractions/ubuntu-unity7-launcher>
28d24
<   #include <abstractions/dbus-accessibility-strict>
------

On the next run there was a complaint about TOK_* things, none of which
can be found recursively in my /etc/apparmor.d.

That's where I left it.

I looked at a different platform running Ubuntu 14.04.5 LTS, where
Firefox 51.0.1 was updated through apt without problems.  But on this
platform apparmor is disabled.  I did not do that, so I assume that it
was shipped with the two symlinks in /etc/apparmor.d/disable.  Possibly
that was done with a previous update.  On that platform I notice a 2014
datestamp on usr.bin.firefox.

I suspect that a substantially different usr.bin.firefox is needed for
12.04 LTS.

Thanks.


Thanks for your help.

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https://bugs.launchpad.net/bugs/1659988

Title:
  Firefox apparmor profile: /usr/bin/python3: error while loading shared
  libraries: cannot apply additional memory protection after relocation:
  Permission denied

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