r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0)
ioctl$TIOCGLCKTRMIOS(r0, 0x5456, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x0, 0x0, "7938fffef1c1226644071644b66bc31dbe5ced"})