kernel/security/apparmor/nulldfa.in, branch linux-4.16.yHosts the 0x221E linux distro kernel.https://universe.0xinfinity.dev/distro/kernel/atom?h=linux-4.16.y2017-01-16T09:18:34Zapparmor: add a default null dfa2017-01-16T09:18:34ZJohn Johansenjohn.johansen@canonical.com2017-01-16T08:42:42Zurn:sha1:11c236b89d7c26d58c55d5613a858600a4d2ab3a
Instead of testing whether a given dfa exists in every code path, have
a default null dfa that is used when loaded policy doesn't provide a
dfa.
This will let us get rid of special casing and avoid dereference bugs
when special casing is missed.
Signed-off-by: John Johansen <john.johansen@canonical.com>