svn commit: r272263 - head/sys/netinet

[Michael Tuexen]

Author: tuexen
Date: Sun Sep 28 17:22:45 2014
New Revision: 272263
URL: http://svnweb.freebsd.org/changeset/base/272263

Log:
  Checksum coverage values larger than 65535 for UDPLite are invalid.
  Check for this when the user calls setsockopt using UDPLITE_{SEND,RECV}CSCOV.
  
  Reviewed by: kevlo
  MFC after: 3 days

Modified:
  head/sys/netinet/udp_usrreq.c

Modified: head/sys/netinet/udp_usrreq.c
==============================================================================
--- head/sys/netinet/udp_usrreq.c	Sun Sep 28 17:16:45 2014	(r272262)
+++ head/sys/netinet/udp_usrreq.c	Sun Sep 28 17:22:45 2014	(r272263)
@@ -1017,7 +1017,7 @@ udp_ctloutput(struct socket *so, struct 
 			INP_WLOCK(inp);
 			up = intoudpcb(inp);
 			KASSERT(up != NULL, ("%s: up == NULL", __func__));
-			if (optval != 0 && optval < 8) {
+			if ((optval != 0 && optval < 8) || (optval > 65535)) {
 				INP_WUNLOCK(inp);
 				error = EINVAL;
 				break;