Corpus for fcntl$setownex:

Coverage	Program
120	perf_event_open-perf_event_open-sendmsg$unix-openat$ptmx-ioctl$TIOCGPTPEER-ioctl$GIO_UNIMAP-fcntl$setownex-openat-accept4$unix-fstat-msgget$private
102	perf_event_open-getpid-fcntl$setownex
81	perf_event_open-socket$inet-fcntl$setownex