r0 = openat$sr(0xffffffffffffff9c, &(0x7f0000000080), 0x64e00, 0x0)
ioctl$CDROMSUBCHNL(r0, 0x127a, &(0x7f0000001180)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @msf, @lba})