[PATCH] MLSXFRM: fix mis-labelling of child sockets

[firefly-linux-kernel-4.4.55.git] / security / selinux / hooks.c

diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index cac0273ec447930d281074f5cd06985ff118e385..e9969a2fc8462116a5b8cb256e1e8cbc97a7fd3c 100644 (file)
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -3619,7 +3619,9 @@ static void selinux_sock_graft(struct sock* sk, struct socket *parent)
        struct inode_security_struct *isec = SOCK_INODE(parent)->i_security;
        struct sk_security_struct *sksec = sk->sk_security;
 
-       isec->sid = sksec->sid;
+       if (sk->sk_family == PF_INET || sk->sk_family == PF_INET6 ||
+           sk->sk_family == PF_UNIX)
+               isec->sid = sksec->sid;
 
        selinux_netlbl_sock_graft(sk, parent);
 }