This requires a v4.0 apparmor parser and Ubuntu not upstream kernel.
The ubuntu kernel carries a patch that is work toward splitting
unconfined and making so it can replaced and only cause mediation
overhead for the classes being mediated.
The 4.0 parser is setting mediated classes in unconfined profiles when
it shouldn't, causing pivot root to fail.
** Changed in: apparmor (Ubuntu)
Status: New => Confirmed
** Changed in: apparmor
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/2067900
Title:
apparmor unconfined profile blocks pivot_root
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