pipe(&(0x7f0000000100)={<r0=>0xffffffffffffffff, <r1=>0xffffffffffffffff})
write$P9_RATTACH(r1, &(0x7f00000000c0)={0x14}, 0xff24)
readv(r0, &(0x7f0000000080)=[{&(0x7f0000000000)=""/83, 0xfdef}], 0x1)