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Andrew Price authored
commit f38e5fb9 upstream. We must hold the rcu read lock across looking up glocks and trying to bump their refcount to prevent the glocks from being freed in between. Signed-off-by: Andrew Price <anprice@redhat.com> Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com> Signed-off-by: Bob Peterson <rpeterso@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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