linux-kernel - Re: [PATCH cgroup/for-3.16] cgroup: fix rcu_read_lock() leak in update_if

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <20140513153445.GG23710@htj.dyndns.org>
Date:	Tue, 13 May 2014 11:34:45 -0400
From:	Tejun Heo <tj@...nel.org>
To:	Li Zefan <lizefan@...wei.com>
Cc:	kbuild test robot <fengguang.wu@...el.com>,
	cgroups@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH cgroup/for-3.16] cgroup: fix rcu_read_lock() leak in
 update_if_frozen()

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@...nel.org>
> Reported-by: kbuild test robot <fengguang.wu@...el.com>

Applied to cgroup/for-3.15-fixes.

Thanks.

-- 
tejun
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/