recvmmsg(0xffffffffffffffff, &(0x7f0000000dc0), 0x0, 0x0, 0x0)
r0 = syz_open_dev$sg(&(0x7f0000000400), 0x0, 0x0)
r1 = openat$cdrom(0xffffffffffffff9c, &(0x7f0000000180), 0x40800, 0x0)
r2 = fcntl$dupfd(r1, 0x0, r0)
ioctl$SCSI_IOCTL_GET_BUS_NUMBER(r2, 0x5386, &(0x7f0000001000))