Not sure how we could get to this point without having already detected the error, but just to be safe - check for end-of-array and return if error.

Refs trac:4897

This commit was SVN r32731.

The following Trac tickets were found above:
  Ticket 4897 --> https://svn.open-mpi.org/trac/ompi/ticket/4897

opal/mca/base/mca_base_cmd_line.c

@@ -208,6 +208,12 @@ void mca_base_cmd_line_wrap_args(char **args)
     for (i=0; NULL != args && NULL != args[i]; i++) {
         if (0 == strcmp(args[i], "-mca") ||
             0 == strcmp(args[i], "--mca")) {
+            if (NULL == args[i+1] || NULL == args[i+2]) {
+                /* this should be impossible as the error would
+                 * have been detected well before here, but just
+                 * be safe */
+                return;
+            }
             i += 2;
             asprintf(&tstr, "\"%s\"", args[i]);
             free(args[i]);