Author: kib
Date: Mon Aug 5 19:42:03 2013
New Revision: 253969
URL: http://svnweb.freebsd.org/changeset/base/253969
Log:
Do not override the ENOENT error for the empty path, or EFAULT errors
from copyins, with the relative lookup check.
Discussed with: rwatson
Sponsored by: The FreeBSD Foundation
MFC after: 1 week
Modified:
head/sys/kern/vfs_lookup.c
Modified: head/sys/kern/vfs_lookup.c
==============================================================================
--- head/sys/kern/vfs_lookup.c Mon Aug 5 19:06:28 2013 (r253968)
+++ head/sys/kern/vfs_lookup.c Mon Aug 5 19:42:03 2013 (r253969)
@@ -172,7 +172,8 @@ namei(struct nameidata *ndp)
* not an absolute path, and not containing '..' components) to
* a real file descriptor, not the pseudo-descriptor AT_FDCWD.
*/
- if (IN_CAPABILITY_MODE(td) && (cnp->cn_flags & NOCAPCHECK) == 0) {
+ if (error == 0 && IN_CAPABILITY_MODE(td) &&
+ (cnp->cn_flags & NOCAPCHECK) == 0) {
ndp->ni_strictrelative = 1;
if (ndp->ni_dirfd == AT_FDCWD) {
#ifdef KTRACE
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