r0 = syz_open_dev$tty20(0xc, 0x4, 0x0) ioctl$TCSETSF2(r0, 0x4b40, &(0x7f0000000080)={0x0, 0x0, 0x0, 0x0, 0x0, "a716b444ce87eab8b2969dc2f4ddf86f1da25e"})