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authorXie Yongji <xieyongji@bytedance.com>2021-05-25 15:56:22 +0300
committerMichael S. Tsirkin <mst@redhat.com>2021-07-03 11:50:53 +0300
commitd00d8da5869a2608e97cfede094dfc5e11462a46 (patch)
treeb071750d7d5522c76cbb838c801ac614217d9480 /drivers/vhost/vhost.h
parent63947b3434f475418b9677a393d025c0962c2cf8 (diff)
downloadlinux-d00d8da5869a2608e97cfede094dfc5e11462a46.tar.xz
virtio_console: Assure used length from device is limited
The buf->len might come from an untrusted device. This ensures the value would not exceed the size of the buffer to avoid data corruption or loss. Signed-off-by: Xie Yongji <xieyongji@bytedance.com> Acked-by: Jason Wang <jasowang@redhat.com> Link: https://lore.kernel.org/r/20210525125622.1203-1-xieyongji@bytedance.com Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'drivers/vhost/vhost.h')
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