pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x4800) write$9p(r1, &(0x7f00000015c0)='1', 0x1) readv(r0, &(0x7f0000000540)=[{&(0x7f0000000200)=""/109, 0x6d}], 0x1)