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b426e9b76b
This prevents potential exploit of using "../" in cgroups.OpenFile
(as well as other methods that use OpenFile) to read or write to
other cgroups.
Signed-off-by: Kir Kolyshkin <kolyshkin@gmail.com>
(cherry picked from commit 2c9598c886)
Signed-off-by: Kir Kolyshkin <kolyshkin@gmail.com>