All reports of source-field-does-not-match-pkg-name for the archive. The extended description of this tag is:

The source package's filename is not the same as the name given in its Source field. The Source field should name the package.

Refer to Debian Policy Manual section 5.6.1 (Source) for details.

Severity: serious, Certainty: certain

Check: fields, Type: binary, udeb, source

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