r0 = syz_open_dev$tty20(0xc, 0x4, 0x1)
ioctl$TIOCSTI(r0, 0x5412, &(0x7f00000000c0))
ioctl$TIOCSTI(r0, 0x5412, &(0x7f0000000000))
ioctl$TIOCSTI(r0, 0x5412, &(0x7f0000000080)=0x12)