Yup, auto-select sometimes unnecessarily uses 1 or 2 more points of food above the food limit.

The first time it happened to me the system really wanted to waste the Gruel from Okta (the tiefling cook at the Grove).

EDIT: Ok nevermind, it's completely buggy. Here's a screenshot where it marked over a dozen 0/X items grin

[Linked Image from i.imgur.com]