r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
ioctl$TIOCSPTLCK(r0, 0x5420, &(0x7f00000000c0)=0x1)
ioctl$TCSETS(r0, 0x5402, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, 0x0, "8c2bfa09584b6948c8365de7dec46bc6625bbf"})
readv(r0, &(0x7f00000000c0)=[{&(0x7f0000000240)=""/230, 0xe6}], 0x1)