===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/awk/run.c,v
retrieving revision 1.43
retrieving revision 1.44
diff -c -r1.43 -r1.44
*** src/usr.bin/awk/run.c	2019/08/13 10:41:33	1.43
--- src/usr.bin/awk/run.c	2019/08/13 10:45:56	1.44
***************
*** 1,4 ****
! /*	$OpenBSD: run.c,v 1.43 2019/08/13 10:41:33 fcambus Exp $	*/
  /****************************************************************
  Copyright (C) Lucent Technologies 1997
  All Rights Reserved
--- 1,4 ----
! /*	$OpenBSD: run.c,v 1.44 2019/08/13 10:45:56 fcambus Exp $	*/
  /****************************************************************
  Copyright (C) Lucent Technologies 1997
  All Rights Reserved
***************
*** 1224,1229 ****
--- 1224,1231 ----
  
  	y = execute(a[0]);	/* source string */
  	origs = s = strdup(getsval(y));
+ 	if (s == NULL)
+ 		FATAL("out of space in split");
  	arg3type = ptoi(a[3]);
  	if (a[2] == 0)		/* fs string */
  		fs = *FS;