[PATCH 4.14 110/164] apparmor: fix leak of null profile name if profile allocation fails

[Greg Kroah-Hartman]

4.14-stable review patch.  If anyone has any objections, please let me know.

------------------

From: John Johansen <john.johan...@canonical.com>


[ Upstream commit 4633307e5ed6128975595df43f796a10c41d11c1 ]

Fixes: d07881d2edb0 ("apparmor: move new_null_profile to after profile lookup 
fns()")
Reported-by: Seth Arnold <seth.arn...@canonical.com>
Signed-off-by: John Johansen <john.johan...@canonical.com>
Signed-off-by: Sasha Levin <alexander.le...@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>
---
 security/apparmor/policy.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

--- a/security/apparmor/policy.c
+++ b/security/apparmor/policy.c
@@ -502,7 +502,7 @@ struct aa_profile *aa_new_null_profile(s
 {
        struct aa_profile *p, *profile;
        const char *bname;
-       char *name;
+       char *name = NULL;
 
        AA_BUG(!parent);
 
@@ -562,6 +562,7 @@ out:
        return profile;
 
 fail:
+       kfree(name);
        aa_free_profile(profile);
        return NULL;
 }