r0 = syz_open_dev$tty20(0xc, 0x4, 0x1) readv(r0, &(0x7f0000000240)=[{&(0x7f0000000080)=""/58, 0x3a}], 0x1) r1 = syz_open_dev$tty20(0xc, 0x4, 0x1) ioctl$KDSETKEYCODE(r1, 0x5423, &(0x7f0000000040))