r0 = epoll_create1(0x0) io_setup(0x880, &(0x7f0000001440)=0x0) io_submit(r1, 0x1, &(0x7f0000000240)=[&(0x7f0000000300)={0x0, 0x0, 0x0, 0x5, 0x0, r0, 0x0}]) r2 = epoll_create1(0x0) epoll_ctl$EPOLL_CTL_ADD(r2, 0x1, r0, &(0x7f0000000040)) pipe(&(0x7f0000000840)={0xffffffffffffffff, 0xffffffffffffffff}) epoll_ctl$EPOLL_CTL_ADD(r0, 0x1, r3, &(0x7f0000000000)={0x4})