diff options
Diffstat (limited to 'net/sctp')
| -rw-r--r-- | net/sctp/ipv6.c | 4 | ||||
| -rw-r--r-- | net/sctp/socket.c | 13 |
2 files changed, 11 insertions, 6 deletions
diff --git a/net/sctp/ipv6.c b/net/sctp/ipv6.c index 6dd976c8ab61..31083b5035ec 100644 --- a/net/sctp/ipv6.c +++ b/net/sctp/ipv6.c @@ -757,8 +757,10 @@ static int sctp_v6_addr_to_user(struct sctp_sock *sp, union sctp_addr *addr) sctp_v6_map_v4(addr); } - if (addr->sa.sa_family == AF_INET) + if (addr->sa.sa_family == AF_INET) { + memset(addr->v4.sin_zero, 0, sizeof(addr->v4.sin_zero)); return sizeof(struct sockaddr_in); + } return sizeof(struct sockaddr_in6); } diff --git a/net/sctp/socket.c b/net/sctp/socket.c index 2a2e094560de..80835ac26d2c 100644 --- a/net/sctp/socket.c +++ b/net/sctp/socket.c @@ -357,11 +357,14 @@ static struct sctp_af *sctp_sockaddr_af(struct sctp_sock *opt, if (!opt->pf->af_supported(addr->sa.sa_family, opt)) return NULL; - /* V4 mapped address are really of AF_INET family */ - if (addr->sa.sa_family == AF_INET6 && - ipv6_addr_v4mapped(&addr->v6.sin6_addr) && - !opt->pf->af_supported(AF_INET, opt)) - return NULL; + if (addr->sa.sa_family == AF_INET6) { + if (len < SIN6_LEN_RFC2133) + return NULL; + /* V4 mapped address are really of AF_INET family */ + if (ipv6_addr_v4mapped(&addr->v6.sin6_addr) && + !opt->pf->af_supported(AF_INET, opt)) + return NULL; + } /* If we get this far, af is valid. */ af = sctp_get_af_specific(addr->sa.sa_family); |