r0 = syz_open_dev$tty20(0xc, 0x4, 0x1) ioctl$TCSETSW(r0, 0x5403, &(0x7f0000000240)={0x0, 0x0, 0x0, 0xfffffff5, 0x0, "1cf1da2d0700144d0000f9b22b897af2f5e4a9"}) ioctl$TIOCSTI(r0, 0x5412, &(0x7f00000000c0)) read(r0, &(0x7f0000000040)=""/1, 0x1)