G. Campana 8379cadf71
virtio_console: fix a crash in config_work_handler ...
Using control_work instead of config_work as the 3rd argument to
container_of results in an invalid portdev pointer. Indeed, the work
structure is initialized as below:
INIT_WORK(&portdev->config_work, &config_work_handler);
It leads to a crash when portdev->vdev is dereferenced later. This
bug
is triggered when the guest uses a virtio-console without multiport
feature and receives a config_changed virtio interrupt.
Signed-off-by: G. Campana <gcampana@quarkslab.com >
Reviewed-by: Amit Shah <amit.shah@redhat.com >
Signed-off-by: Michael S. Tsirkin <mst@redhat.com >
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8379cadf71