r0 = memfd_secret(0x0)
r1 = io_uring_setup(0x440e, &(0x7f0000000000)={0x0, 0x653b})
io_uring_register$IORING_REGISTER_EVENTFD(r1, 0x4, &(0x7f0000000080)=r0, 0x1)
memfd_secret(0x0)
msgsnd(0x0, &(0x7f0000001040)={0x1}, 0x8, 0x800)