7 files changed, 22 insertions, 11 deletions

diff --git a/net/ipv6/datagram.c b/net/ipv6/datagram.c
index 8cdb6b65ee96..f7b535dec860 100644
--- a/net/ipv6/datagram.c
+++ b/net/ipv6/datagram.c
@@ -703,6 +703,11 @@ int datagram_send_ctl(struct net *net,
                         }
 
                         *hlimit = *(int *)CMSG_DATA(cmsg);
+                        if (*hlimit < -1 || *hlimit > 0xff) {
+                                err = -EINVAL;
+                                goto exit_f;
+                        }
+
                         break;
 
                 case IPV6_TCLASS:
diff --git a/net/ipv6/ip6mr.c b/net/ipv6/ip6mr.c
index 0b11b378d89a..90e763073dc5 100644
--- a/net/ipv6/ip6mr.c
+++ b/net/ipv6/ip6mr.c
@@ -197,7 +197,7 @@ static int ip6mr_vif_seq_show(struct seq_file *seq, void *v)
                 const char *name = vif->dev ? vif->dev->name : "none";
 
                 seq_printf(seq,
-                           "%2Zd %-10s %8ld %7ld  %8ld %7ld %05X\n",
+                           "%2td %-10s %8ld %7ld  %8ld %7ld %05X\n",
                            vif - vif6_table,
                            name, vif->bytes_in, vif->pkt_in,
                            vif->bytes_out, vif->pkt_out,
diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c
index 237ebbb9383b..a9988841172a 100644
--- a/net/ipv6/ipv6_sockglue.c
+++ b/net/ipv6/ipv6_sockglue.c
@@ -65,7 +65,7 @@ int ip6_ra_control(struct sock *sk, int sel, void (*destructor)(struct sock *))
 
         /* RA packet may be delivered ONLY to IPPROTO_RAW socket */
         if (sk->sk_type != SOCK_RAW || inet_sk(sk)->num != IPPROTO_RAW)
-                return -EINVAL;
+                return -ENOPROTOOPT;
 
         new_ra = (sel>=0) ? kmalloc(sizeof(*new_ra), GFP_KERNEL) : NULL;
 
@@ -444,7 +444,7 @@ done:
 
         case IPV6_MULTICAST_HOPS:
                 if (sk->sk_type == SOCK_STREAM)
-                        goto e_inval;
+                        break;
                 if (optlen < sizeof(int))
                         goto e_inval;
                 if (val > 255 || val < -1)
@@ -456,13 +456,15 @@ done:
         case IPV6_MULTICAST_LOOP:
                 if (optlen < sizeof(int))
                         goto e_inval;
+                if (val != valbool)
+                        goto e_inval;
                 np->mc_loop = valbool;
                 retv = 0;
                 break;
 
         case IPV6_MULTICAST_IF:
                 if (sk->sk_type == SOCK_STREAM)
-                        goto e_inval;
+                        break;
                 if (optlen < sizeof(int))
                         goto e_inval;
 
@@ -858,7 +860,7 @@ static int do_ipv6_getsockopt(struct sock *sk, int level, int optname,
                 if (sk->sk_protocol != IPPROTO_UDP &&
                     sk->sk_protocol != IPPROTO_UDPLITE &&
                     sk->sk_protocol != IPPROTO_TCP)
-                        return -EINVAL;
+                        return -ENOPROTOOPT;
                 if (sk->sk_state != TCP_ESTABLISHED)
                         return -ENOTCONN;
                 val = sk->sk_family;
@@ -872,6 +874,8 @@ static int do_ipv6_getsockopt(struct sock *sk, int level, int optname,
                         return -EINVAL;
                 if (copy_from_user(&gsf, optval, GROUP_FILTER_SIZE(0)))
                         return -EFAULT;
+                if (gsf.gf_group.ss_family != AF_INET6)
+                        return -EADDRNOTAVAIL;
                 lock_sock(sk);
                 err = ip6_mc_msfget(sk, &gsf,
                         (struct group_filter __user *)optval, optlen);
diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c
index e03c1898ab2e..70a57e45bf0e 100644
--- a/net/ipv6/raw.c
+++ b/net/ipv6/raw.c
@@ -1167,7 +1167,8 @@ static int raw6_destroy(struct sock *sk)
         lock_sock(sk);
         ip6_flush_pending_frames(sk);
         release_sock(sk);
-        return 0;
+
+        return inet6_destroy_sock(sk);
 }
 
 static int rawv6_init_sk(struct sock *sk)
@@ -1198,7 +1199,6 @@ struct proto rawv6_prot = {
         .disconnect        = udp_disconnect,
         .ioctl             = rawv6_ioctl,
         .init              = rawv6_init_sk,
-        .destroy           = inet6_destroy_sock,
         .setsockopt        = rawv6_setsockopt,
         .getsockopt        = rawv6_getsockopt,
         .sendmsg           = rawv6_sendmsg,
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index edae81319b51..efe036aa3dd1 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -2194,8 +2194,12 @@ static int rt6_fill_node(struct sk_buff *skb, struct rt6_info *rt,
 
         NLA_PUT_U32(skb, RTA_PRIORITY, rt->rt6i_metric);
 
-        expires = (rt->rt6i_flags & RTF_EXPIRES) ?
-                        rt->rt6i_expires - jiffies : 0;
+        if (!(rt->rt6i_flags & RTF_EXPIRES))
+                expires = 0;
+        else if (rt->rt6i_expires - jiffies < INT_MAX)
+                expires = rt->rt6i_expires - jiffies;
+        else
+                expires = INT_MAX;
 
         if (rtnl_put_cacheinfo(skb, &rt->u.dst, 0, 0, 0,
                                expires, rt->u.dst.error) < 0)
diff --git a/net/ipv6/syncookies.c b/net/ipv6/syncookies.c
index 938ce4ecde55..3ecc1157994e 100644
--- a/net/ipv6/syncookies.c
+++ b/net/ipv6/syncookies.c
@@ -198,7 +198,6 @@ struct sock *cookie_v6_check(struct sock *sk, struct sk_buff *skb)
         ireq = inet_rsk(req);
         ireq6 = inet6_rsk(req);
         treq = tcp_rsk(req);
-        ireq6->pktopts = NULL;
 
         if (security_inet_conn_request(sk, skb, req)) {
                 reqsk_free(req);
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index 3fe736bead96..ebed5d3adb82 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -1211,7 +1211,6 @@ static int tcp_v6_conn_request(struct sock *sk, struct sk_buff *skb)
         treq = inet6_rsk(req);
         ipv6_addr_copy(&treq->rmt_addr, &ipv6_hdr(skb)->saddr);
         ipv6_addr_copy(&treq->loc_addr, &ipv6_hdr(skb)->daddr);
-        treq->pktopts = NULL;
         if (!want_cookie)
                 TCP_ECN_create_request(req, tcp_hdr(skb));