Message ID | 1457011243-23605-4-git-send-email-richard.alpe@ericsson.com |
---|---|
State | Accepted, archived |
Delegated to: | David Miller |
Headers | show |
From: Richard Alpe <richard.alpe@ericsson.com> Date: Thu, 3 Mar 2016 14:20:43 +0100 > Make sure the user has provided a scope for multicast and link local > addresses used locally by a UDP bearer. > > Signed-off-by: Richard Alpe <richard.alpe@ericsson.com> > Acked-by: Jon Maloy <jon.maloy@ericsson.com> > Reviewed-by: Erik Hugne <erik.hugne@gmail.com> Applied.
diff --git a/net/tipc/udp_media.c b/net/tipc/udp_media.c index 6fe8740..fb2f7ec6 100644 --- a/net/tipc/udp_media.c +++ b/net/tipc/udp_media.c @@ -310,9 +310,14 @@ err: #if IS_ENABLED(CONFIG_IPV6) } else if ((sa_local.ss_family & sa_remote.ss_family) == AF_INET6) { + int atype; struct sockaddr_in6 *ip6; ip6 = (struct sockaddr_in6 *)&sa_local; + atype = ipv6_addr_type(&ip6->sin6_addr); + if (__ipv6_addr_needs_scope_id(atype) && !ip6->sin6_scope_id) + return -EINVAL; + local->proto = htons(ETH_P_IPV6); local->udp_port = ip6->sin6_port; memcpy(&local->ipv6, &ip6->sin6_addr, sizeof(struct in6_addr));