maybe. but there are underhanded code contests that are about submitting code that contains purposeful bugs but that aren't easily detected, and if detected, look like genuine mistakes (like off by one errors etc) rather than deliberate malicious code

see http://www.underhanded-c.org/ for the contest in C, and the one for rust is offline, but can be read here

https://web.archive.org/web/20190511070359/http://blog.commu...