r0 = syz_open_dev$tty20(0xc, 0x4, 0x0)
r1 = dup(r0)
ioctl$TCSETAF(r1, 0x5408, &(0x7f0000000040)={0x9, 0x0, 0x0, 0x813, 0xa, "33d406297758217c"})
ioctl$KDSKBLED(0xffffffffffffffff, 0x4b65, 0xfffffffffffffffc)
ioctl$VT_DISALLOCATE(r1, 0x5608)
ioctl$KDSETLED(0xffffffffffffffff, 0x4b32, 0x0)