From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752641AbaIHBUc (ORCPT ); Sun, 7 Sep 2014 21:20:32 -0400 Received: from mail-pd0-f177.google.com ([209.85.192.177]:52046 "EHLO mail-pd0-f177.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751422AbaIHBUa (ORCPT ); Sun, 7 Sep 2014 21:20:30 -0400 Date: Mon, 8 Sep 2014 10:20:25 +0900 From: Tejun Heo To: Linus Torvalds Cc: linux-kernel@vger.kernel.org, Li Zefan , cgroups@vger.kernel.org Subject: [GIT PULL] cgroup fixes for v3.17-rc4 Message-ID: <20140908012025.GF5061@mtj.dyndns.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, Linus. Up until now, cgroup has allowed any character including '\n' in cgroup names; unfortunately, as '\n' is used as the row delimiter in /proc/$PID/cgroup, '\n' in a cgroup name makes the content of the file ambiguous to parse. This pull request includes Alban's patch to disallow '\n' in cgroup names. While this is a userland visible behavior change, given the craziness of allowing '\n' and its implications, I believe the change is justified. The patch is marked for -stable backport. Two other patches from Li to fix a possible oops when cgroup destruction races against other file operations and one from Vivek to fix a unified hierarchy devel behavior. Thanks. The following changes since commit 7d1311b93e58ed55f3a31cc8f94c4b8fe988a2b9: Linux 3.17-rc1 (2014-08-16 10:40:26 -0600) are available in the git repository at: git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup.git for-3.17-fixes for you to fetch changes up to aa32362f011c6e863132b16c1761487166a4bad2: cgroup: check cgroup liveliness before unbreaking kernfs (2014-09-05 01:36:19 +0900) ---------------------------------------------------------------- Alban Crequy (1): cgroup: reject cgroup names with '\n' Li Zefan (2): cgroup: delay the clearing of cgrp->kn->priv cgroup: check cgroup liveliness before unbreaking kernfs Vivek Goyal (1): cgroup: Display legacy cgroup files on default hierarchy kernel/cgroup.c | 47 +++++++++++++++++++++++++++++++++-------------- 1 file changed, 33 insertions(+), 14 deletions(-) -- tejun