All reports of special-file for the archive. The extended description of this tag is:

The package contains a special file (e.g., a device file). This is forbidden by current policy. If your program needs this device, you should create it by calling makedev from the postinst script.

Refer to Debian Policy Manual section 10.6 (Device files) for details.

Severity: serious, Certainty: certain

Check: files, Type: binary, udeb

This tag has not been emitted in any package tested by Lintian.