r0 = syz_io_uring_setup(0x203, &(0x7f0000000080), &(0x7f0000ffb000/0x3000)=nil, &(0x7f0000ffc000/0x2000)=nil, &(0x7f0000000100)=0x0, &(0x7f0000000140)=0x0) r3 = timerfd_create(0x0, 0x0) syz_io_uring_submit(r1, r2, &(0x7f0000000000)=@IORING_OP_POLL_ADD={0x6, 0x0, 0x0, @fd=r3}, 0x0) io_uring_enter(r0, 0x2271, 0x0, 0x0, 0x0, 0x0)