Corpus for epoll_pwait:

Coverage	Program
212	epoll_create1-epoll_pwait
209	epoll_create-socket$inet_tcp-epoll_ctl$EPOLL_CTL_ADD-epoll_pwait
171	epoll_create1-syz_open_procfs-epoll_ctl$EPOLL_CTL_ADD-epoll_pwait
127	openat-mmap-epoll_pwait
121	epoll_create1-epoll_pwait
52	epoll_pwait