r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0)
ioctl$TIOCSPTLCK(r0, 0x5420, &(0x7f0000000040)=0x1)
ioctl$TCSETSW(r0, 0x5403, &(0x7f0000000000)={0x0, 0x0, 0x0, 0xfdfdffff, 0x0, "2690f63effbb8d44230bf1998d81ff7c75fa33"})