r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0)
ioctl$TCSETAW(r0, 0x5407, &(0x7f0000000440)={0x0, 0x0, 0x0, 0x0, 0x0, "3fdc329e2473a548"})