[$] Intentionally buggy commits for fame—and papers

A buggy patchposted to the linux-kernel mailing list in early April was apparently thelast straw for Greg Kroah-Hartman as it led to the planned reversion of a whole slew ofcommits with one thing in common: their origin at the University ofMinnesota (UMN). The patch to the NFSv4 authorization mechanism was dulyquestioned by two NFS developers, but it is not an honest mistake; according to Kroah-Hartman, there has been an attackof sorts underway as part of some academic research at the university. Inorder to be sure that these intentional bugs, many with securityimplications, do not continue to haunt Linux, he is workingon reverting commits that came from email addresses with theumn.edu domain.