svn commit: r352417 - head/sys/fs/fuse

[Alan Somers]

Author: asomers
Date: Mon Sep 16 16:41:01 2019
New Revision: 352417
URL: https://svnweb.freebsd.org/changeset/base/352417

Log:
  Fix an off-by-one error from r351961
  
  That revision addressed a Coverity CID that could lead to a buffer overflow,
  but it had an off-by-one error in the buffer size check.
  
  Reported by:	Coverity
  Coverity CID:	1405530
  MFC after:	3 days
  MFC-With:	351961
  Sponsored by:	The FreeBSD Foundation

Modified:
  head/sys/fs/fuse/fuse_internal.c

Modified: head/sys/fs/fuse/fuse_internal.c
==============================================================================
--- head/sys/fs/fuse/fuse_internal.c	Mon Sep 16 16:17:29 2019	(r352416)
+++ head/sys/fs/fuse/fuse_internal.c	Mon Sep 16 16:41:01 2019	(r352417)
@@ -390,7 +390,7 @@ fuse_internal_invalidate_entry(struct mount *mp, struc
 	if ((err = uiomove(&fnieo, sizeof(fnieo), uio)) != 0)
 		return (err);
 
-	if (fnieo.namelen > sizeof(name))
+	if (fnieo.namelen >= sizeof(name))
 		return (EINVAL);
 
 	if ((err = uiomove(name, fnieo.namelen, uio)) != 0)