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-next>] [day] [month] [year] [list]
Message-Id: <1248171926-20232-1-git-send-email-dfeng@redhat.com>
Date:	Tue, 21 Jul 2009 18:25:26 +0800
From:	Xiaotian Feng <dfeng@...hat.com>
To:	menage@...gle.com, lizf@...fujitsu.com,
	containers@...ts.linux-foundation.org
Cc:	linux-kernel@...r.kernel.org, Xiaotian Feng <dfeng@...hat.com>
Subject: [PATCH] cgroup: fix reverse unlock sequence in cgroup_get_sb

In cgroup_get_sb, the lock sequence is:
	mutex_lock(&inode->i_mutex);
	mutex_lock(&cgroup->mutex);
so the last unlock sequence should be:
	mutex_unlock(&cgroup->mutex);
	mutex_unlock(&inode->i_mutex);

Signed-off-by: Xiaotian Feng <dfeng@...hat.com>
---
 kernel/cgroup.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/kernel/cgroup.c b/kernel/cgroup.c
index 3737a68..11ef162 100644
--- a/kernel/cgroup.c
+++ b/kernel/cgroup.c
@@ -1140,8 +1140,8 @@ static int cgroup_get_sb(struct file_system_type *fs_type,
 		BUG_ON(root->number_of_cgroups != 1);
 
 		cgroup_populate_dir(root_cgrp);
-		mutex_unlock(&inode->i_mutex);
 		mutex_unlock(&cgroup_mutex);
+		mutex_unlock(&inode->i_mutex);
 	}
 
 	simple_set_mnt(mnt, sb);
-- 
1.6.2.5

--
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/

Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ