r0 = openat$cdrom(0xffffffffffffff9c, &(0x7f0000000180), 0x40800, 0x0) ioctl$CDROMSUBCHNL(r0, 0x530b, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @msf, @lba})