commit eefa8df69a92d9f1a6f1ae5163961181e3cb51f2
author Michael Tuexen <tuexen@fh-muenster.de> Mon Jan 14 15:46:06 2019 +0100
committer Michael Tuexen <tuexen@fh-muenster.de> Mon Jan 14 15:46:06 2019 +0100
tree 506a3b37e24b509dcdc6ce307814c369ea2f827d
parent 9acc88ce3abfa72bf780cc87975cc8e883181a32

Fix SCTP/UDP/IPv6 on FreeBSD.

Thanks to Felix Weinrank for finding this bug.

usrsctplib/user_recv_thread.c

diff --git a/usrsctplib/user_recv_thread.c b/usrsctplib/user_recv_thread.c
index c07924e..2753a5c 100755
--- a/usrsctplib/user_recv_thread.c
+++ b/usrsctplib/user_recv_thread.c
@@ -531,7 +531,7 @@
 		msg.msg_iov = recv_iovec;
 		msg.msg_iovlen = MAXLEN_MBUF_CHAIN;
 		msg.msg_control = (void *)cmsgbuf;
-		msg.msg_controllen = (socklen_t)CMSG_LEN(sizeof (struct in6_pktinfo));
+		msg.msg_controllen = (socklen_t)CMSG_SPACE(sizeof (struct in6_pktinfo));
 		msg.msg_flags = 0;
 
 		ncounter = n = recvmsg(SCTP_BASE_VAR(userspace_rawsctp6), &msg, 0);
@@ -900,7 +900,7 @@
 		msg.msg_iov = iov;
 		msg.msg_iovlen = MAXLEN_MBUF_CHAIN;
 		msg.msg_control = (void *)cmsgbuf;
-		msg.msg_controllen = (socklen_t)CMSG_LEN(sizeof (struct in6_pktinfo));
+		msg.msg_controllen = (socklen_t)CMSG_SPACE(sizeof (struct in6_pktinfo));
 		msg.msg_flags = 0;
 
 		ncounter = n = recvmsg(SCTP_BASE_VAR(userspace_udpsctp6), &msg, 0);