Someone tried something similar but with higher risk: inserting security backdoors into the Linux kernel. They were caught and (AFAIK) their entire school was permabanned from sending pull requests.
- https://news.ycombinator.com/item?id=26887670
1 = https://cse.umn.edu/cs/statement-cse-linux-kernel-research-a...
- https://cse.umn.edu/cs/open-letter-linux-community-april-24-...
- https://cse.umn.edu/cs/statement-computer-science-engineerin...