r0 = syz_open_dev$tty20(0xc, 0x4, 0x1)
r1 = fcntl$dupfd(r0, 0x0, r0)
ioctl$TIOCL_SETSEL(r1, 0x541c, &(0x7f0000000000)={0x2, {0x2, 0x7}})