svn commit: r287463 - stable/10/usr.sbin/binmiscctl

[Sean Bruno]

Author: sbruno
Date: Fri Sep  4 15:45:42 2015
New Revision: 287463
URL: https://svnweb.freebsd.org/changeset/base/287463

Log:
  MFC r277853
  
  Check for invalid length or more than max length for the interpreter, instead
  of the validity of the string pointer holding the interpreter.
  
  Submitted by:	sson

Modified:
  stable/10/usr.sbin/binmiscctl/binmiscctl.c
Directory Properties:
  stable/10/   (props changed)

Modified: stable/10/usr.sbin/binmiscctl/binmiscctl.c
==============================================================================
--- stable/10/usr.sbin/binmiscctl/binmiscctl.c	Fri Sep  4 15:40:19 2015	(r287462)
+++ stable/10/usr.sbin/binmiscctl/binmiscctl.c	Fri Sep  4 15:45:42 2015	(r287463)
@@ -363,7 +363,7 @@ add_cmd(__unused int argc, char *argv[],
 		usage("Error: Missing magic argument");
 	}
 
-	if (!xbe->xbe_interpreter) {
+	if (!strnlen(xbe->xbe_interpreter, IBE_INTERP_LEN_MAX)) {
 		usage("Error: Missing 'interpreter' argument");
 	}