Seth/kernel_amazon_mt8127-common
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

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

Browse Source 
commit 5f20fdfed16bc599a325a145bf0123a8e1c9beea upstream.

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>
Signed-off-by: Willy Tarreau <w@1wt.eu>
This commit is contained in:
John Johansen
2016-06-15 10:00:55 +03:00
committed by Willy Tarreau
parent 4b0f1ec2fa
commit 1259d17c10
1 changed files with 3 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files
security/apparmor/policy_unpack.c
+3
View File
@@ -571,6 +571,9 @@ 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 */