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>
This commit is contained in:
Vasiliy Kulikov 2011-02-04 15:24:19 +03:00 committed by Artem Bityutskiy
parent be7b42a5cb
commit 8c559d30b4

View File

@ -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;