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Structure hidp_conninfo is copied to userland with version, product, vendor and name fields unitialized if both session->input and session->hid are NULL. It leads to leaking of contents of kernel stack memory. Signed-off-by: Vasiliy Kulikov <segooon@gmail.com> Acked-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>