===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/tmux/arguments.c,v
retrieving revision 1.53
retrieving revision 1.54
diff -c -r1.53 -r1.54
*** src/usr.bin/tmux/arguments.c	2022/03/03 08:24:12	1.53
--- src/usr.bin/tmux/arguments.c	2022/05/30 13:04:24	1.54
***************
*** 1,4 ****
! /* $OpenBSD: arguments.c,v 1.53 2022/03/03 08:24:12 nicm Exp $ */
  
  /*
   * Copyright (c) 2010 Nicholas Marriott <nicholas.marriott@gmail.com>
--- 1,4 ----
! /* $OpenBSD: arguments.c,v 1.54 2022/05/30 13:04:24 nicm Exp $ */
  
  /*
   * Copyright (c) 2010 Nicholas Marriott <nicholas.marriott@gmail.com>
***************
*** 831,836 ****
--- 831,842 ----
  		return (0);
  	}
  	value = TAILQ_LAST(&entry->values, args_values);
+ 	if (value == NULL ||
+ 	    value->type != ARGS_STRING ||
+ 	    value->string == NULL) {
+ 		*cause = xstrdup("missing");
+ 		return (0);
+ 	}
  
  	ll = strtonum(value->string, minval, maxval, &errstr);
  	if (errstr != NULL) {