Skip to content
Commit cbe355f5 authored by Ashish Samant's avatar Ashish Samant Committed by Greg Kroah-Hartman
Browse files

ocfs2: fix locking for res->tracking and dlm->tracking_list

In dlm_init_lockres() we access and modify res->tracking and
dlm->tracking_list without holding dlm->track_lock.  This can cause list
corruptions and can end up in kernel panic.

Fix this by locking res->tracking and dlm->tracking_list with
dlm->track_lock instead of dlm->spinlock.

Link: http://lkml.kernel.org/r/1529951192-4686-1-git-send-email-ashish.samant@oracle.com


Signed-off-by: default avatarAshish Samant <ashish.samant@oracle.com>
Reviewed-by: default avatarChangwei Ge <ge.changwei@h3c.com>
Acked-by: default avatarJoseph Qi <jiangqi903@gmail.com>
Acked-by: default avatarJun Piao <piaojun@huawei.com>
Cc: Mark Fasheh <mark@fasheh.com>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Junxiao Bi <junxiao.bi@oracle.com>
Cc: Changwei Ge <ge.changwei@h3c.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent b8e57efa
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment