From 62f0b196889b10cd75a62acdf1d773ed29fced1c Mon Sep 17 00:00:00 2001
From: Olaf Kirch <okir@suse.de>
Date: Mon, 15 May 2006 09:43:57 -0700
Subject: [PATCH] --- yaml --- r: 26700 b: refs/heads/master c:
 3b7c8108273bed41a2fc04533cc9f2026ff38c8e h: refs/heads/master v: v3

---
 [refs]               | 2 +-
 trunk/fs/smbfs/dir.c | 5 +++++
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/[refs] b/[refs]
index aa6ae46a4652..70e8aea3173b 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: a7b862f663d81858531dfccc0537bc9d8a2a4121
+refs/heads/master: 3b7c8108273bed41a2fc04533cc9f2026ff38c8e
diff --git a/trunk/fs/smbfs/dir.c b/trunk/fs/smbfs/dir.c
index 34c7a11d91f0..70d9c5a37f5a 100644
--- a/trunk/fs/smbfs/dir.c
+++ b/trunk/fs/smbfs/dir.c
@@ -434,6 +434,11 @@ smb_lookup(struct inode *dir, struct dentry *dentry, struct nameidata *nd)
 	if (dentry->d_name.len > SMB_MAXNAMELEN)
 		goto out;
 
+	/* Do not allow lookup of names with backslashes in */
+	error = -EINVAL;
+	if (memchr(dentry->d_name.name, '\\', dentry->d_name.len))
+		goto out;
+
 	lock_kernel();
 	error = smb_proc_getattr(dentry, &finfo);
 #ifdef SMBFS_PARANOIA