Greg Kroah-Hartman, lead Linux kernel developer, has banned the University of Minnesota from further contributions after researchers submitted flawed patches as part of an experiment.
“Our community does not appreciate being experimented on, and being "tested" by submitting known patches that either do nothing on purpose, or introduce bugs on purpose,” Kroah-Hartman told the researchers. Additionally, a thread on lore.kernel.org notes that, “All contributions by this group of people need to be reverted, if they have not been done so already, as what they are doing is intentional malicious behavior and is not acceptable and totally unethical.”
Kroah-Hartman further states that "future submissions from anyone with a umn.edu address should be by default-rejected unless otherwise determined to actually be a valid fix..."
Read more at Neowin.