/usr/share/lintian/overrides/dovecot-solr is in dovecot-solr 1:2.2.9-1ubuntu2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 | dovecot-solr: hardening-no-fortify-functions usr/lib/dovecot/modules/lib21_fts_solr_plugin.so
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