https://github.com/golang/go/issues/47958

Index: pkg/fs/fs_unix.go
--- pkg/fs/fs_unix.go.orig
+++ pkg/fs/fs_unix.go
@@ -80,9 +80,9 @@ func DiskUsage(path string) (*DiskStatus, error) {
 	}
 
 	var disk DiskStatus
-	disk.All = fs.Blocks * uint64(fs.Bsize)
-	disk.Avail = uint64(fs.Bavail) * uint64(fs.Bsize)
-	disk.Free = fs.Bfree * uint64(fs.Bsize)
+	disk.All = fs.F_blocks * uint64(fs.F_bsize)
+	disk.Avail = uint64(fs.F_bavail) * uint64(fs.F_bsize)
+	disk.Free = fs.F_bfree * uint64(fs.F_bsize)
 	disk.Used = disk.All - disk.Free
 	return &disk, nil
 }