releases/2.6.33.12/ubifs-restrict-world-writable-debugfs-files.patch

From 8c559d30b4e59cf6994215ada1fe744928f494bf Mon Sep 17 00:00:00 2001
From: Vasiliy Kulikov <segoon@openwall.com>
Date: Fri, 4 Feb 2011 15:24:19 +0300
Subject: UBIFS: restrict world-writable debugfs files

From: Vasiliy Kulikov <segoon@openwall.com>

commit 8c559d30b4e59cf6994215ada1fe744928f494bf upstream.

Don't allow everybody to dump sensitive information about filesystems.

Signed-off-by: Vasiliy Kulikov <segoon@openwall.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

---
 fs/ubifs/debug.c |    6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

--- a/fs/ubifs/debug.c
+++ b/fs/ubifs/debug.c
@@ -2686,19 +2686,19 @@ int dbg_debugfs_init_fs(struct ubifs_inf
 	}
 
 	fname = "dump_lprops";
-	dent = debugfs_create_file(fname, S_IWUGO, d->dfs_dir, c, &dfs_fops);
+	dent = debugfs_create_file(fname, S_IWUSR, d->dfs_dir, c, &dfs_fops);
 	if (IS_ERR(dent))
 		goto out_remove;
 	d->dfs_dump_lprops = dent;
 
 	fname = "dump_budg";
-	dent = debugfs_create_file(fname, S_IWUGO, d->dfs_dir, c, &dfs_fops);
+	dent = debugfs_create_file(fname, S_IWUSR, d->dfs_dir, c, &dfs_fops);
 	if (IS_ERR(dent))
 		goto out_remove;
 	d->dfs_dump_budg = dent;
 
 	fname = "dump_tnc";
-	dent = debugfs_create_file(fname, S_IWUGO, d->dfs_dir, c, &dfs_fops);
+	dent = debugfs_create_file(fname, S_IWUSR, d->dfs_dir, c, &dfs_fops);
 	if (IS_ERR(dent))
 		goto out_remove;
 	d->dfs_dump_tnc = dent;