Commit 5f20fdfe authored Jun 15, 2016 by John Johansen

apparmor: fix oops in profile_unpack() when policy_db is not present

BugLink: http://bugs.launchpad.net/bugs/1592547



If unpack_dfa() returns NULL due to the dfa not being present,
profile_unpack() is not checking if the dfa is not present (NULL).

Signed-off-by: John Johansen <john.johansen@canonical.com>

parent 3197f5ad

security/apparmor/policy_unpack.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -583,6 +583,9 @@ static struct aa_profile unpack_profile(struct aa_ext e)
		error = PTR_ERR(profile->policy.dfa);
		profile->policy.dfa = NULL;
		goto fail;
		} else if (!profile->policy.dfa) {
		error = -EPROTO;
		goto fail;
		}
		if (!unpack_u32(e, &profile->policy.start[0], "start"))
		/* default start state */

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