The AppArmor version currently in the kernel of Trusty Tahr and Unique Unicorn (commit 3cb3b90762b3e21fbe410879cdb644180335abb2) triggers a kernel bug when compiled with CONFIG_PREEMPT=y.
The AppArmor version currently in the kernel of Trusty Tahr and Unique Unicorn (commit 3cb3b90762b3e21 fbe410879cdb644 180335abb2) triggers a kernel bug when compiled with CONFIG_PREEMPT=y.