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CVE-2013-4530 pl022.c did not bounds check tx_fifo_head and rx_fifo_head after loading them from file and before they are used to dereference array. Reported-by: Michael S. Tsirkin <mst@redhat.com Reported-by: Anthony Liguori <anthony@codemonkey.ws> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Juan Quintela <quintela@redhat.com>