pipe(&(0x7f00000000c0)={<r0=>0xffffffffffffffff, <r1=>0xffffffffffffffff})
readv(r0, &(0x7f0000001600)=[{&(0x7f0000000000)=""/127, 0x7f}], 0x1)
write(r1, &(0x7f00000016c0)="8c", 0x1)