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From: Brooks Davis <brooks@FreeBSD.org>
Date: Wed, 14 Dec 2016 21:13:11 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
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Subject: svn commit: r310090 - head/bin/df
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Author: brooks
Date: Wed Dec 14 21:13:10 2016
New Revision: 310090
URL: https://svnweb.freebsd.org/changeset/base/310090

Log:
  Mount filesystems without executable permissions since they should never
  be used.
  
  Reviewed by:	cem
  MFC after:	1 week
  Sponsored by:	DARPA, AFRL
  Differential Revision:	https://reviews.freebsd.org/D8513

Modified:
  head/bin/df/df.c

Modified: head/bin/df/df.c
==============================================================================
--- head/bin/df/df.c	Wed Dec 14 21:12:43 2016	(r310089)
+++ head/bin/df/df.c	Wed Dec 14 21:13:10 2016	(r310090)
@@ -251,7 +251,7 @@ main(int argc, char *argv[])
 					free(mntpath);
 					continue;
 				}
-				if (mount(fstype, mntpt, MNT_RDONLY,
+				if (mount(fstype, mntpt, MNT_RDONLY|MNT_NOEXEC,
 				    &mdev) != 0) {
 					xo_warn("%s", *argv);
 					rv = 1;