r0 = openat$cdrom(0xffffffffffffff9c, &(0x7f0000000040), 0xe03, 0x0)
ioctl$CDROMSUBCHNL(r0, 0x530b, &(0x7f0000000080)={0x1, 0x6, 0x0, 0x0, 0x0, 0x0, @msf, @lba=0x6})