r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
ioctl$TIOCSPTLCK(r0, 0x5420, &(0x7f00000000c0)=0x1)
ioctl$TCSETS(r0, 0x5402, &(0x7f0000000040)={0x7ff, 0x0, 0x0, 0x0, 0x0, "bd4db57a512b8aed36fc27b3d9c8f86ab6fac4"})