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(parent: 56f1c41) | patch
cpuset: fix a race condition in __cpuset_node_allowed_softwall()
authorLi Zefan <lizefan@huawei.com>
Thu, 27 Feb 2014 10:19:36 +0000 (18:19 +0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Mon, 24 Mar 2014 04:38:15 +0000 (21:38 -0700)
commit4bdd401e8b7384a685606f2254e634805580a2aa
treeb5d481b1d6ffc45582d4f8c31e823ca97180c3batree | snapshot
parent56f1c4124bd0c769591071916abc5358b8811c1acommit | diff
cpuset: fix a race condition in __cpuset_node_allowed_softwall()

commit 99afb0fd5f05aac467ffa85c36778fec4396209b upstream.

It's not safe to access task's cpuset after releasing task_lock().
Holding callback_mutex won't help.

Signed-off-by: Li Zefan <lizefan@huawei.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
kernel/cpuset.c diff | blob | history
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