From b71f5853033d9ac08c7e3f89de5c42b0e945e4b9 Mon Sep 17 00:00:00 2001
From: Michael Tuexen <tuexen@FreeBSD.org>
Date: Tue, 9 Jul 2013 19:12:47 +0000
Subject: [PATCH] Fix the handling of SCTP_CURRENT_ASSOC and SCTP_ALL_ASSOC in
 sctp_opt_info().

MFC after: 3 days
---
 lib/libc/net/sctp_sys_calls.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/lib/libc/net/sctp_sys_calls.c b/lib/libc/net/sctp_sys_calls.c
index 3a4571f20856..1b65b07325f0 100644
--- a/lib/libc/net/sctp_sys_calls.c
+++ b/lib/libc/net/sctp_sys_calls.c
@@ -274,6 +274,11 @@ sctp_opt_info(int sd, sctp_assoc_t id, int opt, void *arg, socklen_t * size)
 		errno = EINVAL;
 		return (-1);
 	}
+	if ((id == SCTP_CURRENT_ASSOC) ||
+	    (id == SCTP_ALL_ASSOC)) {
+		errno = EINVAL;
+		return (-1);
+	}
 	switch (opt) {
 	case SCTP_RTOINFO:
 		((struct sctp_rtoinfo *)arg)->srto_assoc_id = id;