r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
ioctl$TIOCPKT(r0, 0x5420, &(0x7f0000000040)=0x2)
readv(r0, &(0x7f00000001c0)=[{&(0x7f0000000000)=""/44, 0x2c}], 0x1)