Index: lib/libc/rpc/clnt_vc.c
===================================================================
RCS file: /cvsroot/src/lib/libc/rpc/clnt_vc.c,v
retrieving revision 1.21
diff -u -p -w -b -r1.21 clnt_vc.c
--- lib/libc/rpc/clnt_vc.c	11 Mar 2013 20:19:29 -0000	1.21
+++ lib/libc/rpc/clnt_vc.c	14 May 2013 12:11:49 -0000
@@ -519,6 +519,7 @@ clnt_vc_control(
 	sigset_t mask;
 #endif
 	sigset_t newmask;
+	u_int32_t temp;
 
 	_DIAGASSERT(cl != NULL);
 
@@ -599,15 +600,18 @@ clnt_vc_control(
 		 * begining of the RPC header. MUST be changed if the
 		 * call_struct is changed
 		 */
+		memcpy(&temp, (void *)(ct->ct_u.ct_mcallc +
+		    4 * BYTES_PER_XDR_UNIT), sizeof(temp));
+
 		*(u_int32_t *)(void *)info =
-		    ntohl(*(u_int32_t *)(void *)(ct->ct_u.ct_mcallc +
-		    4 * BYTES_PER_XDR_UNIT));
+		   ntohl(temp);
 		break;
 
 	case CLSET_VERS:
-		*(u_int32_t *)(void *)(ct->ct_u.ct_mcallc +
-		    4 * BYTES_PER_XDR_UNIT) =
-		    htonl(*(u_int32_t *)(void *)info);
+		temp = htonl(*(u_int32_t *)(void *)info);
+		memcpy((void *)(ct->ct_u.ct_mcallc +
+		    4 * BYTES_PER_XDR_UNIT),
+		    &temp, sizeof(temp));
 		break;
 
 	case CLGET_PROG:
@@ -617,15 +621,18 @@ clnt_vc_control(
 		 * begining of the RPC header. MUST be changed if the
 		 * call_struct is changed
 		 */
+		memcpy(&temp, (void *)(ct->ct_u.ct_mcallc +
+		    3 * BYTES_PER_XDR_UNIT), sizeof(temp));
+
 		*(u_int32_t *)(void *)info =
-		    ntohl(*(u_int32_t *)(void *)(ct->ct_u.ct_mcallc +
-		    3 * BYTES_PER_XDR_UNIT));
+		    ntohl(temp);
 		break;
 
 	case CLSET_PROG:
-		*(u_int32_t *)(void *)(ct->ct_u.ct_mcallc +
-		    3 * BYTES_PER_XDR_UNIT) =
-		    htonl(*(u_int32_t *)(void *)info);
+		temp = htonl(*(u_int32_t *)(void *)info);
+		memcpy((void *)(ct->ct_u.ct_mcallc +
+		    3 * BYTES_PER_XDR_UNIT),
+		    &temp, sizeof(temp));
 		break;
 
 	default: