r0 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
pipe(&(0x7f00000001c0)={0xffffffffffffffff, <r1=>0xffffffffffffffff})
splice(r0, 0x0, r1, &(0x7f0000000080), 0x1, 0x0)