r0 = epoll_create(0x6) r1 = epoll_create(0x1) r2 = epoll_create(0x6) epoll_ctl$EPOLL_CTL_ADD(r2, 0x1, r1, &(0x7f0000000000)) r3 = epoll_create(0x6) epoll_ctl$EPOLL_CTL_ADD(r0, 0x1, r1, &(0x7f0000000300)) dup3(r3, r0, 0x0)