/usr/share/lintian/overrides/dpkg is in dpkg 1.17.5ubuntu5.6.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 | dpkg: redundant-origin-field
dpkg: redundant-bugs-field
dpkg: arch-dep-package-has-big-usr-share
# False positives, we read from a file not from a tty
dpkg: read-in-maintainer-script preinst:*
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