66ae37d8cc
Do not unmap uninitialized dma addresses. Fixes: CVE-2021-3608 Reviewed-by: VictorV (Kunlun Lab) <vv474172261@gmail.com> Tested-by: VictorV (Kunlun Lab) <vv474172261@gmail.com> Signed-off-by: Marcel Apfelbaum <marcel@redhat.com> Message-Id: <20210630115246.2178219-1-marcel@redhat.com> Tested-by: Yuval Shaia <yuval.shaia.ml@gmail.com> Reviewed-by: Yuval Shaia <yuval.shaia.ml@gmail.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Signed-off-by: Marcel Apfelbaum <marcel.apfelbaum@gmail.com>