uev (aka libuev) before 2.4.1 has a buffer overflow in epoll_wait if maxevents is a large number.
https://github.com/troglobit/libuev/issues/27
https://github.com/troglobit/libuev/compare/v2.4.0...v2.4.1
https://github.com/troglobit/libuev/commit/2d9f1c9ce655cc38511aeeb6e95ac30914f7aec9