memfd_create(0x0, 0x0) signalfd(0xffffffffffffffff, 0x0, 0x0) r0 = openat$sr(0xffffffffffffff9c, &(0x7f0000000040), 0x1ed982, 0x0) ioctl$CDROMPLAYBLK(r0, 0x5317, 0x0)