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

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

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

From: John Johansen <john.johansen@xxxxxxxxxxxxx>


[ Upstream commit 4633307e5ed6128975595df43f796a10c41d11c1 ]

Fixes: d07881d2edb0 ("apparmor: move new_null_profile to after profile lookup fns()")
Reported-by: Seth Arnold <seth.arnold@xxxxxxxxxxxxx>
Signed-off-by: John Johansen <john.johansen@xxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 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;
 }





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