From: Tejun Heo <tj@kernel.org>
To: Li Zefan <lizefan@huawei.com>
Cc: kbuild test robot <fengguang.wu@intel.com>,
cgroups@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH cgroup/for-3.16] cgroup: fix rcu_read_lock() leak in update_if_frozen()
Date: Tue, 13 May 2014 11:34:45 -0400 [thread overview]
Message-ID: <20140513153445.GG23710@htj.dyndns.org> (raw)
In-Reply-To: <20140510032941.GE22539@mtj.dyndns.org>
On Fri, May 09, 2014 at 11:29:41PM -0400, Tejun Heo wrote:
> While updating cgroup_freezer locking, 68fafb77d827 ("cgroup_freezer:
> replace freezer->lock with freezer_mutex") introduced a bug in
> update_if_frozen() where it returns with rcu_read_lock() held. Fix it
> by adding rcu_read_unlock() before returning.
>
> Signed-off-by: Tejun Heo <tj@kernel.org>
> Reported-by: kbuild test robot <fengguang.wu@intel.com>
Applied to cgroup/for-3.15-fixes.
Thanks.
--
tejun
prev parent reply other threads:[~2014-05-13 15:35 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <5369104d.Nn5Lpp7nwOehwnnC%fengguang.wu@intel.com>
2014-05-10 3:29 ` Tejun Heo
2014-05-13 15:34 ` Tejun Heo [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20140513153445.GG23710@htj.dyndns.org \
--to=tj@kernel.org \
--cc=cgroups@vger.kernel.org \
--cc=fengguang.wu@intel.com \
--cc=linux-kernel@vger.kernel.org \
--cc=lizefan@huawei.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®