UBIFS: restrict world-writable debugfs files

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>

1 files changed, 3 insertions, 3 deletions

diff --git a/fs/ubifs/debug.c b/fs/ubifs/debug.c
index 0bee4dbffc31..bcb1acb79263 100644
--- a/fs/ubifs/debug.c
+++ b/fs/ubifs/debug.c
@@ -2813,19 +2813,19 @@ int dbg_debugfs_init_fs(struct ubifs_info *c)
         }
 
         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;