r0 = syz_open_dev$tty20(0xc, 0x4, 0x1)
ioctl$TIOCSTI(r0, 0x5412, &(0x7f00000004c0))
ioctl$TIOCSTI(r0, 0x5412, &(0x7f0000000340)=0x5e)
ioctl$TIOCSTI(r0, 0x5412, &(0x7f0000000040)=0x7f)