syz_mount_image$ext4(0x0, &(0x7f0000000100)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) mount(&(0x7f0000000140)=@loop={'/dev/loop', 0x0}, &(0x7f0000000180)='./file0\x00', 0x0, 0xa400, 0x0)