pipe2(&(0x7f0000000400)={0xffffffffffffffff, <r0=>0xffffffffffffffff}, 0x0)
r1 = memfd_create(&(0x7f00000000c0)='-%\xe6\x00', 0x0)
splice(r1, &(0x7f00000007c0)=0x800000000, r0, 0x0, 0x1f, 0x0)