Merge tag 'ceph-for-5.14-rc1' of git://github.com/ceph/ceph-client

[linux-2.6-microblaze.git] / net / sctp / ipv6.c

diff --git a/net/sctp/ipv6.c b/net/sctp/ipv6.c
index d041bed..e48dd90 100644 (file)
--- a/net/sctp/ipv6.c
+++ b/net/sctp/ipv6.c
@@ -577,15 +577,20 @@ static void sctp_v6_to_sk_daddr(union sctp_addr *addr, struct sock *sk)
 }
 
 /* Initialize a sctp_addr from an address parameter. */
-static void sctp_v6_from_addr_param(union sctp_addr *addr,
+static bool sctp_v6_from_addr_param(union sctp_addr *addr,
                                    union sctp_addr_param *param,
                                    __be16 port, int iif)
 {
+       if (ntohs(param->v6.param_hdr.length) < sizeof(struct sctp_ipv6addr_param))
+               return false;
+
        addr->v6.sin6_family = AF_INET6;
        addr->v6.sin6_port = port;
        addr->v6.sin6_flowinfo = 0; /* BUG */
        addr->v6.sin6_addr = param->v6.addr;
        addr->v6.sin6_scope_id = iif;
+
+       return true;
 }
 
 /* Initialize an address parameter from a sctp_addr and return the length