r0 = syz_open_dev$tty20(0xc, 0x4, 0x0) ioctl$TIOCSTI(r0, 0x5412, &(0x7f00000000c0)=0x82) r1 = syz_open_dev$tty20(0xc, 0x4, 0x0) ioctl$TIOCSTI(r1, 0x5412, &(0x7f0000000080)=0x9) ioctl$TIOCSTI(r1, 0x5412, &(0x7f0000000040)=0x7f)