r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0)
ioctl$TIOCSPTLCK(r0, 0x5420, &(0x7f0000000040)=0x1)
read(r0, &(0x7f0000000140)=""/183, 0xb7)
ioctl$TCSETSW(r0, 0x5403, &(0x7f0000000100)={0x0, 0x0, 0x0, 0x0, 0x0, "cf80652fc725cb1cfa86d369d87632b64b8e66"})