Messages in this thread Patch in this message | | | Date | Tue, 19 Apr 2011 14:02:19 -0700 | From | Greg KH <> | Subject | [03/26] UBIFS: restrict world-writable debugfs files |
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2.6.33-longterm review patch. If anyone has any objections, please let us know.
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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;
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