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Diffstat (limited to 'net/sctp/protocol.c')
-rw-r--r--net/sctp/protocol.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/net/sctp/protocol.c b/net/sctp/protocol.c
index b0e401dfe160..510b805aab2d 100644
--- a/net/sctp/protocol.c
+++ b/net/sctp/protocol.c
@@ -272,14 +272,19 @@ static void sctp_v4_to_sk_daddr(union sctp_addr *addr, struct sock *sk)
}
/* Initialize a sctp_addr from an address parameter. */
-static void sctp_v4_from_addr_param(union sctp_addr *addr,
+static bool sctp_v4_from_addr_param(union sctp_addr *addr,
union sctp_addr_param *param,
__be16 port, int iif)
{
+ if (ntohs(param->v4.param_hdr.length) < sizeof(struct sctp_ipv4addr_param))
+ return false;
+
addr->v4.sin_family = AF_INET;
addr->v4.sin_port = port;
addr->v4.sin_addr.s_addr = param->v4.addr.s_addr;
memset(addr->v4.sin_zero, 0, sizeof(addr->v4.sin_zero));
+
+ return true;
}
/* Initialize an address parameter from a sctp_addr and return the length
@@ -411,7 +416,8 @@ static sctp_scope_t sctp_v4_scope(union sctp_addr *addr)
retval = SCTP_SCOPE_LINK;
} else if (ipv4_is_private_10(addr->v4.sin_addr.s_addr) ||
ipv4_is_private_172(addr->v4.sin_addr.s_addr) ||
- ipv4_is_private_192(addr->v4.sin_addr.s_addr)) {
+ ipv4_is_private_192(addr->v4.sin_addr.s_addr) ||
+ ipv4_is_test_198(addr->v4.sin_addr.s_addr)) {
retval = SCTP_SCOPE_PRIVATE;
} else {
retval = SCTP_SCOPE_GLOBAL;