r0 = syz_open_dev$tty20(0xc, 0x4, 0x0)
r1 = syz_open_dev$tty20(0xc, 0x4, 0x0)
ioctl$TCSETAF(r1, 0x5408, &(0x7f0000000780)={0x8, 0x0, 0x0, 0x0, 0x0, "76c2c886334c5250"})
ioctl$TIOCSTI(r0, 0x5412, &(0x7f0000000680)=0xff)