svn commit: r232370 - stable/8/sys/kern

[Hiroki Sato]

Author: hrs
Date: Fri Mar  2 00:15:13 2012
New Revision: 232370
URL: http://svn.freebsd.org/changeset/base/232370

Log:
  MFC r230981: Fix input validation in SO_SETFIB socket option.
  
  Approved by:	re (bz)

Modified:
  stable/8/sys/kern/uipc_socket.c
Directory Properties:
  stable/8/sys/   (props changed)

Modified: stable/8/sys/kern/uipc_socket.c
==============================================================================
--- stable/8/sys/kern/uipc_socket.c	Thu Mar  1 22:36:42 2012	(r232369)
+++ stable/8/sys/kern/uipc_socket.c	Fri Mar  2 00:15:13 2012	(r232370)
@@ -2492,7 +2492,7 @@ sosetopt(struct socket *so, struct socko
 		case SO_SETFIB:
 			error = sooptcopyin(sopt, &optval, sizeof optval,
 					    sizeof optval);
-			if (optval < 0 || optval > rt_numfibs) {
+			if (optval < 0 || optval >= rt_numfibs) {
 				error = EINVAL;
 				goto bad;
 			}