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-rw-r--r--security/selinux/hooks.c13
1 files changed, 11 insertions, 2 deletions
diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index 83d06db34d03..a1ac1c5c729b 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -4499,9 +4499,18 @@ 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;
- if (sk->sk_family == PF_INET || sk->sk_family == PF_INET6 ||
- sk->sk_family == PF_UNIX)
+ switch (sk->sk_family) {
+ case PF_INET:
+ case PF_INET6:
+ case PF_UNIX:
isec->sid = sksec->sid;
+ break;
+ default:
+ /* by default there is no special labeling mechanism for the
+ * sksec label so inherit the label from the parent socket */
+ BUG_ON(sksec->sid != SECINITSID_UNLABELED);
+ sksec->sid = isec->sid;
+ }
sksec->sclass = isec->sclass;
}