selinux: fix memory leak in netlabel code

Fix a memory leak in security_netlbl_sid_to_secattr() as reported here: * https://bugzilla.redhat.com/show_bug.cgi?id=352281 Signed-off-by: Paul Moore <paul.moore@hp.com> Signed-off-by: James Morris <jmorris@namei.org>
gavanfantom · Jan 21, 2008 · 45c950e · 45c950e
1 parent a7da60f
commit 45c950e
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Showing 2 changed files with 5 additions and 4 deletions.
diff --git a/security/selinux/netlabel.c b/security/selinux/netlabel.c
@@ -53,17 +53,20 @@ static int selinux_netlbl_sock_setsid(struct sock *sk, u32 sid)
 	struct sk_security_struct *sksec = sk->sk_security;
 	struct netlbl_lsm_secattr secattr;
 
+	netlbl_secattr_init(&secattr);
+
 	rc = security_netlbl_sid_to_secattr(sid, &secattr);
 	if (rc != 0)
-		return rc;
-
+		goto sock_setsid_return;
 	rc = netlbl_sock_setattr(sk, &secattr);
 	if (rc == 0) {
 		spin_lock_bh(&sksec->nlbl_lock);
 		sksec->nlbl_state = NLBL_LABELED;
 		spin_unlock_bh(&sksec->nlbl_lock);
 	}
 
+sock_setsid_return:
+	netlbl_secattr_destroy(&secattr);
 	return rc;
 }
 

diff --git a/security/selinux/ss/services.c b/security/selinux/ss/services.c
@@ -2606,8 +2606,6 @@ int security_netlbl_sid_to_secattr(u32 sid, struct netlbl_lsm_secattr *secattr)
 	int rc = -ENOENT;
 	struct context *ctx;
 
-	netlbl_secattr_init(secattr);
-
 	if (!ss_initialized)
 		return 0;