The smack_socket_sock_rcv_skb() function is checking smack labels only for UDP and TCP frames carried in IPv6 packets. From now on, it is able also to handle UDP-Lite and DCCP protocols. Signed-off-by: Piotr Sawicki <p.sawicki2(a)partner.samsung.com&gt; --- Changes in v2: - Add missing Signed-off-by field Changes in v3: - Fix the email subject Changes in v4: - Fix formatting issues caused by improper email client configuration --- security/smack/smack_lsm.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/security/smack/smack_lsm.c b/security/smack/smack_lsm.c index 8b6cd5a..c2282ac 100644 --- a/security/smack/smack_lsm.c +++ b/security/smack/smack_lsm.c @@ -3896,6 +3896,7 @@ static int smk_skb_to_addr_ipv6(struct sk_buff *skb, struct sockaddr_in6 *sip) sip->sin6_port = th->source; break; case IPPROTO_UDP: + case IPPROTO_UDPLITE: uh = skb_header_pointer(skb, offset, sizeof(_udph), &_udph); if (uh != NULL) sip->sin6_port = uh->source; @@ -3986,7 +3987,8 @@ static int smack_socket_sock_rcv_skb(struct sock *sk, struct sk_buff *skb) #if IS_ENABLED(CONFIG_IPV6) case PF_INET6: proto = smk_skb_to_addr_ipv6(skb, &sadd); - if (proto != IPPROTO_UDP && proto != IPPROTO_TCP) + if (proto != IPPROTO_UDP && proto != IPPROTO_UDPLITE && + proto != IPPROTO_TCP && proto != IPPROTO_DCCP) break; #ifdef SMACK_IPV6_SECMARK_LABELING if (skb && skb->secmark != 0) -- 2.7.4